From 48cc72759d4009029d3bd4227469bda14e828ad1 Mon Sep 17 00:00:00 2001 From: lithrein Date: Thu, 11 Jun 2015 11:47:29 +0200 Subject: [PATCH 01/22] added gestion for declaration of tuples and improvment on match-with construction --- .gitmodules | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.gitmodules b/.gitmodules index fcf6f0ba..62e0fe34 100644 --- a/.gitmodules +++ b/.gitmodules @@ -1,6 +1,6 @@ [submodule "interp/parser"] path = interp/parser - url = https://github.com/resource-reasoning/JS_Parser.git + url = http://github.com/resource-reasoning/JS_Parser.git [submodule "lib/tlc"] path = lib/tlc url = https://gforge.inria.fr/git/tlc/tlc.git From 557f2333f8abd6acf0a6f281eb399dcf709df5c0 Mon Sep 17 00:00:00 2001 From: Marek Materzok Date: Tue, 25 Aug 2015 20:13:37 +0200 Subject: [PATCH 02/22] Cleaner declaration binding instantiation. --- coq/JsCorrectness.v | 14 +++---- coq/JsInterpreter.v | 19 ++++----- coq/JsPrettyInterm.v | 42 +++++++++---------- coq/JsPrettyRules.v | 99 ++++++++++++++++++++++---------------------- 4 files changed, 86 insertions(+), 88 deletions(-) diff --git a/coq/JsCorrectness.v b/coq/JsCorrectness.v index fbb79850..fe56f911 100644 --- a/coq/JsCorrectness.v +++ b/coq/JsCorrectness.v @@ -2800,10 +2800,10 @@ Proof. Qed. -Lemma binding_inst_function_decls_correct : forall runs S C args L fds str bconfig o, +Lemma binding_inst_function_decls_correct : forall runs S C L fds str bconfig o, runs_type_correct runs -> binding_inst_function_decls runs S C L fds str bconfig = o -> - red_expr S C (spec_binding_inst_function_decls args L fds str bconfig) o. + red_expr S C (spec_binding_inst_function_decls L fds str bconfig) o. Proof. introv IH HR. gen S o. induction fds; introv HR. simpls. run_inv. applys* red_spec_binding_inst_function_decls_nil. @@ -2813,7 +2813,7 @@ Proof. let_name as M. rename a into fd. rename l into fo. asserts M_correct: (forall S o, M S = o -> - red_expr S C (spec_binding_inst_function_decls_5 args L fd fds str fo bconfig) o). + red_expr S C (spec_binding_inst_function_decls_5 L fd fds str fo bconfig) o). clears HR S o. introv HR. subst M. subst fname. run red_spec_binding_inst_function_decls_5 using env_record_set_mutable_binding_correct. @@ -2981,12 +2981,12 @@ Proof. clear EQA. apply~ red_spec_create_arguments_object_4. Qed. -Lemma binding_inst_arg_obj_correct : forall runs S C lf p xs args L o, +Lemma binding_inst_arg_obj_correct : forall runs S C lf str xs args L o, runs_type_correct runs -> - binding_inst_arg_obj runs S C lf p xs args L = o -> - red_expr S C (spec_binding_inst_arg_obj lf p xs args L) o. + binding_inst_arg_obj runs S C lf xs args L str = o -> + red_expr S C (spec_binding_inst_arg_obj lf xs args L str) o. Proof. - introv IH HR. unfolds in HR. let_name. + introv IH HR. unfolds in HR. run~ red_spec_binding_inst_arg_obj using create_arguments_object_correct. cases_if. run red_spec_binding_inst_arg_obj_1_strict diff --git a/coq/JsInterpreter.v b/coq/JsInterpreter.v index cc9f037e..890b8925 100644 --- a/coq/JsInterpreter.v +++ b/coq/JsInterpreter.v @@ -1356,16 +1356,15 @@ Definition create_arguments_object runs S C lf xs args X str : result := if_bool (object_define_own_prop runs S2 C l "callee" A false) (fun S3 b' => res_ter S3 l)))). -Definition binding_inst_arg_obj runs S C lf p xs args L : result_void := +Definition binding_inst_arg_obj runs S C lf xs args L str : result_void := let arguments := "arguments" in - 'let str := prog_intro_strictness p in - if_object (create_arguments_object runs S C lf xs args - (execution_ctx_variable_env C) str) (fun S1 largs => - if str then - if_void (env_record_create_immutable_binding S1 L arguments) (fun S2 => - env_record_initialize_immutable_binding S2 L arguments largs) - else - env_record_create_set_mutable_binding runs S1 C L arguments None largs false). + if_object (create_arguments_object runs S C lf xs args + (execution_ctx_variable_env C) str) (fun S1 largs => + if str then + if_void (env_record_create_immutable_binding S1 L arguments) (fun S2 => + env_record_initialize_immutable_binding S2 L arguments largs) + else + env_record_create_set_mutable_binding runs S1 C L arguments None largs false). Fixpoint binding_inst_var_decls runs S C L (vds : list string) bconfig str : result_void := match vds with @@ -1396,7 +1395,7 @@ Definition execution_ctx_binding_inst runs S C (ct : codetype) (funco : option o in match ct, funco, bdefined with | codetype_func, Some func, false => - if_void (binding_inst_arg_obj runs S2 C func p names args L) follow2 + if_void (binding_inst_arg_obj runs S2 C func names args L str) follow2 | codetype_func, _, false => impossible_with_heap_because S2 "Weird `arguments' object in [execution_ctx_binding_inst]." | _, _, _ => follow2 S2 diff --git a/coq/JsPrettyInterm.v b/coq/JsPrettyInterm.v index 71d35969..f6f41c93 100644 --- a/coq/JsPrettyInterm.v +++ b/coq/JsPrettyInterm.v @@ -336,17 +336,17 @@ Inductive ext_expr := | spec_binding_inst_formal_params_2 : list value -> env_loc -> string -> list string -> strictness_flag -> value -> out -> ext_expr | spec_binding_inst_formal_params_3 : list value -> env_loc -> string -> list string -> strictness_flag -> value -> ext_expr | spec_binding_inst_formal_params_4 : list value -> env_loc -> list string -> strictness_flag -> out -> ext_expr - | spec_binding_inst_function_decls : list value -> env_loc -> list funcdecl -> strictness_flag -> bool -> ext_expr - | spec_binding_inst_function_decls_1 : list value -> env_loc -> funcdecl -> list funcdecl -> strictness_flag -> bool -> out -> ext_expr - | spec_binding_inst_function_decls_2 : list value -> env_loc -> funcdecl -> list funcdecl -> strictness_flag -> object_loc -> bool -> out -> ext_expr - | spec_binding_inst_function_decls_3 : list value -> funcdecl -> list funcdecl -> strictness_flag -> object_loc -> bool -> specret full_descriptor -> ext_expr - | spec_binding_inst_function_decls_3a : list value -> funcdecl -> list funcdecl -> strictness_flag -> object_loc -> bool -> full_descriptor -> ext_expr - | spec_binding_inst_function_decls_4 : list value -> env_loc -> funcdecl -> list funcdecl -> strictness_flag -> object_loc -> bool -> out -> ext_expr - | spec_binding_inst_function_decls_5 : list value -> env_loc -> funcdecl -> list funcdecl -> strictness_flag -> object_loc -> bool -> ext_expr - | spec_binding_inst_function_decls_6 : list value -> env_loc -> list funcdecl -> strictness_flag -> bool -> out -> ext_expr - | spec_binding_inst_arg_obj : object_loc -> prog -> list string -> list value -> env_loc -> ext_expr - | spec_binding_inst_arg_obj_1 : prog -> env_loc -> strictness_flag -> out -> ext_expr - | spec_binding_inst_arg_obj_2 : prog -> env_loc -> object_loc -> out -> ext_expr + | spec_binding_inst_function_decls : env_loc -> list funcdecl -> strictness_flag -> bool -> ext_expr + | spec_binding_inst_function_decls_1 : env_loc -> funcdecl -> list funcdecl -> strictness_flag -> bool -> out -> ext_expr + | spec_binding_inst_function_decls_2 : env_loc -> funcdecl -> list funcdecl -> strictness_flag -> object_loc -> bool -> out -> ext_expr + | spec_binding_inst_function_decls_3 : funcdecl -> list funcdecl -> strictness_flag -> object_loc -> bool -> specret full_descriptor -> ext_expr + | spec_binding_inst_function_decls_3a : funcdecl -> list funcdecl -> strictness_flag -> object_loc -> bool -> full_descriptor -> ext_expr + | spec_binding_inst_function_decls_4 : env_loc -> funcdecl -> list funcdecl -> strictness_flag -> object_loc -> bool -> out -> ext_expr + | spec_binding_inst_function_decls_5 : env_loc -> funcdecl -> list funcdecl -> strictness_flag -> object_loc -> bool -> ext_expr + | spec_binding_inst_function_decls_6 : env_loc -> list funcdecl -> strictness_flag -> bool -> out -> ext_expr + | spec_binding_inst_arg_obj : object_loc -> list string -> list value -> env_loc -> strictness_flag -> ext_expr + | spec_binding_inst_arg_obj_1 : env_loc -> strictness_flag -> out -> ext_expr + | spec_binding_inst_arg_obj_2 : env_loc -> object_loc -> out -> ext_expr | spec_binding_inst_var_decls : env_loc -> list string -> bool -> strictness_flag -> ext_expr | spec_binding_inst_var_decls_1 : env_loc -> string -> list string -> bool -> strictness_flag -> out -> ext_expr | spec_binding_inst_var_decls_2 : env_loc -> list string -> bool -> strictness_flag -> out -> ext_expr @@ -1148,17 +1148,17 @@ Definition out_of_ext_expr (e : ext_expr) : option out := | spec_binding_inst_formal_params_2 _ _ _ _ _ _ o => Some o | spec_binding_inst_formal_params_3 _ _ _ _ _ _ => None | spec_binding_inst_formal_params_4 _ _ _ _ o => Some o - | spec_binding_inst_function_decls _ _ _ _ _ => None - | spec_binding_inst_function_decls_1 _ _ _ _ _ _ o => Some o - | spec_binding_inst_function_decls_2 _ _ _ _ _ _ _ o => Some o - | spec_binding_inst_function_decls_3 _ _ _ _ _ _ y => out_of_specret y - | spec_binding_inst_function_decls_3a _ _ _ _ _ _ _ => None - | spec_binding_inst_function_decls_4 _ _ _ _ _ _ _ o => Some o - | spec_binding_inst_function_decls_5 _ _ _ _ _ _ _ => None - | spec_binding_inst_function_decls_6 _ _ _ _ _ o => Some o + | spec_binding_inst_function_decls _ _ _ _ => None + | spec_binding_inst_function_decls_1 _ _ _ _ _ o => Some o + | spec_binding_inst_function_decls_2 _ _ _ _ _ _ o => Some o + | spec_binding_inst_function_decls_3 _ _ _ _ _ y => out_of_specret y + | spec_binding_inst_function_decls_3a _ _ _ _ _ _ => None + | spec_binding_inst_function_decls_4 _ _ _ _ _ _ o => Some o + | spec_binding_inst_function_decls_5 _ _ _ _ _ _ => None + | spec_binding_inst_function_decls_6 _ _ _ _ o => Some o | spec_binding_inst_arg_obj object_loc _ _ _ _ => None - | spec_binding_inst_arg_obj_1 _ _ _ o => Some o - | spec_binding_inst_arg_obj_2 _ _ _ o => Some o + | spec_binding_inst_arg_obj_1 _ _ o => Some o + | spec_binding_inst_arg_obj_2 _ _ o => Some o | spec_binding_inst_var_decls _ _ _ _ => None | spec_binding_inst_var_decls_1 _ _ _ _ _ o => Some o | spec_binding_inst_var_decls_2 _ _ _ _ o => Some o diff --git a/coq/JsPrettyRules.v b/coq/JsPrettyRules.v index c1529bf1..f7ac4b4d 100644 --- a/coq/JsPrettyRules.v +++ b/coq/JsPrettyRules.v @@ -2662,96 +2662,95 @@ with red_expr : state -> execution_ctx -> ext_expr -> out -> Prop := bindings for function declarations (Step 5). *) (* LATER: remove "args" as it's not used at all in this subroutine *) - | red_spec_binding_inst_function_decls_nil : forall L S C args str bconfig, (* Step 5b *) - red_expr S C (spec_binding_inst_function_decls args L nil str bconfig) (out_void S) + | red_spec_binding_inst_function_decls_nil : forall L S C str bconfig, (* Step 5b *) + red_expr S C (spec_binding_inst_function_decls L nil str bconfig) (out_void S) - | red_spec_binding_inst_function_decls_cons : forall str_fd S C L args fd fds str bconfig o1 o, (* Step 5b *) + | red_spec_binding_inst_function_decls_cons : forall str_fd S C L fd fds str bconfig o1 o, (* Step 5b *) str_fd = funcbody_is_strict (funcdecl_body fd) -> red_expr S C (spec_creating_function_object (funcdecl_parameters fd) (funcdecl_body fd) (execution_ctx_variable_env C) str_fd) o1 -> - red_expr S C (spec_binding_inst_function_decls_1 args L fd fds str bconfig o1) o -> - red_expr S C (spec_binding_inst_function_decls args L (fd::fds) str bconfig) o + red_expr S C (spec_binding_inst_function_decls_1 L fd fds str bconfig o1) o -> + red_expr S C (spec_binding_inst_function_decls L (fd::fds) str bconfig) o - | red_spec_binding_inst_function_decls_1 : forall o1 L S0 S C args fd fds str fo bconfig o, (* Step 5c *) + | red_spec_binding_inst_function_decls_1 : forall o1 L S0 S C fd fds str fo bconfig o, (* Step 5c *) red_expr S C (spec_env_record_has_binding L (funcdecl_name fd)) o1 -> - red_expr S C (spec_binding_inst_function_decls_2 args L fd fds str fo bconfig o1) o -> - red_expr S0 C (spec_binding_inst_function_decls_1 args L fd fds str bconfig (out_ter S fo)) o + red_expr S C (spec_binding_inst_function_decls_2 L fd fds str fo bconfig o1) o -> + red_expr S0 C (spec_binding_inst_function_decls_1 L fd fds str bconfig (out_ter S fo)) o - | red_spec_binding_inst_function_decls_2_false : forall o1 L S0 S C args fd fds str fo bconfig o, (* Step 5d *) + | red_spec_binding_inst_function_decls_2_false : forall o1 L S0 S C fd fds str fo bconfig o, (* Step 5d *) red_expr S C (spec_env_record_create_mutable_binding L (funcdecl_name fd) (Some bconfig)) o1 -> - red_expr S C (spec_binding_inst_function_decls_4 args L fd fds str fo bconfig o1) o -> - red_expr S0 C (spec_binding_inst_function_decls_2 args L fd fds str fo bconfig (out_ter S false)) o + red_expr S C (spec_binding_inst_function_decls_4 L fd fds str fo bconfig o1) o -> + red_expr S0 C (spec_binding_inst_function_decls_2 L fd fds str fo bconfig (out_ter S false)) o - | red_spec_binding_inst_function_decls_2_true_global : forall S0 S C args fd fds str fo bconfig y1 o, (* Step 5e ii *) + | red_spec_binding_inst_function_decls_2_true_global : forall S0 S C fd fds str fo bconfig y1 o, (* Step 5e ii *) red_spec S C (spec_object_get_prop prealloc_global (funcdecl_name fd)) y1 -> - red_expr S C (spec_binding_inst_function_decls_3 args fd fds str fo bconfig y1) o -> - red_expr S0 C (spec_binding_inst_function_decls_2 args env_loc_global_env_record fd fds str fo bconfig (out_ter S true)) o + red_expr S C (spec_binding_inst_function_decls_3 fd fds str fo bconfig y1) o -> + red_expr S0 C (spec_binding_inst_function_decls_2 env_loc_global_env_record fd fds str fo bconfig (out_ter S true)) o - | red_spec_binding_inst_function_decls_3_true : forall S0 S C args fd fds str fo bconfig A Anew o1 o, (* Step 5e iii *) + | red_spec_binding_inst_function_decls_3_true : forall S0 S C fd fds str fo bconfig A Anew o1 o, (* Step 5e iii *) attributes_configurable A = true -> Anew = attributes_data_intro undef true true bconfig -> red_expr S C (spec_object_define_own_prop prealloc_global (funcdecl_name fd) Anew true) o1 -> - red_expr S C (spec_binding_inst_function_decls_4 args env_loc_global_env_record fd fds str fo bconfig o1) o -> - red_expr S0 C (spec_binding_inst_function_decls_3 args fd fds str fo bconfig (ret S (full_descriptor_some A))) o + red_expr S C (spec_binding_inst_function_decls_4 env_loc_global_env_record fd fds str fo bconfig o1) o -> + red_expr S0 C (spec_binding_inst_function_decls_3 fd fds str fo bconfig (ret S (full_descriptor_some A))) o - | red_spec_binding_inst_function_decls_4 : forall S0 S C args L fd fds str fo bconfig rv o, (* Step 5e iii *) - red_expr S C (spec_binding_inst_function_decls_5 args L fd fds str fo bconfig) o -> - red_expr S0 C (spec_binding_inst_function_decls_4 args L fd fds str fo bconfig (out_ter S rv)) o + | red_spec_binding_inst_function_decls_4 : forall S0 S C L fd fds str fo bconfig rv o, (* Step 5e iii *) + red_expr S C (spec_binding_inst_function_decls_5 L fd fds str fo bconfig) o -> + red_expr S0 C (spec_binding_inst_function_decls_4 L fd fds str fo bconfig (out_ter S rv)) o - | red_spec_binding_inst_function_decls_3_false : forall S0 S C args fd fds str fo A bconfig o, (* Step 5e iii, else *) + | red_spec_binding_inst_function_decls_3_false : forall S0 S C fd fds str fo A bconfig o, (* Step 5e iii, else *) attributes_configurable A = false -> - red_expr S C (spec_binding_inst_function_decls_3a args fd fds str fo bconfig A) o -> - red_expr S0 C (spec_binding_inst_function_decls_3 args fd fds str fo bconfig (ret S (full_descriptor_some A))) o + red_expr S C (spec_binding_inst_function_decls_3a fd fds str fo bconfig A) o -> + red_expr S0 C (spec_binding_inst_function_decls_3 fd fds str fo bconfig (ret S (full_descriptor_some A))) o - | red_spec_binding_inst_function_decls_3a_type_error : forall S C args fd fds str fo A bconfig o, (* Step 5e iv *) + | red_spec_binding_inst_function_decls_3a_type_error : forall S C fd fds str fo A bconfig o, (* Step 5e iv *) (* LATER: descriptor_is_accessor A \/ ~ (attributes_writable A = true /\ attributes_enumerable A = true) -> *) descriptor_is_accessor A \/ attributes_writable A = false \/ attributes_enumerable A = false -> red_expr S C (spec_error native_error_type) o -> - red_expr S C (spec_binding_inst_function_decls_3a args fd fds str fo bconfig A) o + red_expr S C (spec_binding_inst_function_decls_3a fd fds str fo bconfig A) o - | red_spec_binding_inst_function_decls_3a_no_error : forall S C args fd fds str fo A bconfig o, (* Step 5e iv else *) + | red_spec_binding_inst_function_decls_3a_no_error : forall S C fd fds str fo A bconfig o, (* Step 5e iv else *) ~ (descriptor_is_accessor A \/ attributes_writable A = false \/ attributes_enumerable A = false) -> - red_expr S C (spec_binding_inst_function_decls_5 args env_loc_global_env_record fd fds str fo bconfig) o -> - red_expr S C (spec_binding_inst_function_decls_3a args fd fds str fo bconfig A) o + red_expr S C (spec_binding_inst_function_decls_5 env_loc_global_env_record fd fds str fo bconfig) o -> + red_expr S C (spec_binding_inst_function_decls_3a fd fds str fo bconfig A) o - | red_spec_binding_inst_function_decls_2_true : forall L S0 S C args fd fds str fo bconfig o, (* Step 5e *) + | red_spec_binding_inst_function_decls_2_true : forall L S0 S C fd fds str fo bconfig o, (* Step 5e *) L <> env_loc_global_env_record -> - red_expr S C (spec_binding_inst_function_decls_5 args L fd fds str fo bconfig) o -> - red_expr S0 C (spec_binding_inst_function_decls_2 args L fd fds str fo bconfig (out_ter S true)) o + red_expr S C (spec_binding_inst_function_decls_5 L fd fds str fo bconfig) o -> + red_expr S0 C (spec_binding_inst_function_decls_2 L fd fds str fo bconfig (out_ter S true)) o - | red_spec_binding_inst_function_decls_5 : forall o1 L S C args fd fds str fo bconfig o, (* Step 5f *) + | red_spec_binding_inst_function_decls_5 : forall o1 L S C fd fds str fo bconfig o, (* Step 5f *) red_expr S C (spec_env_record_set_mutable_binding L (funcdecl_name fd) (value_object fo) str) o1 -> - red_expr S C (spec_binding_inst_function_decls_6 args L fds str bconfig o1) o -> - red_expr S C (spec_binding_inst_function_decls_5 args L fd fds str fo bconfig) o + red_expr S C (spec_binding_inst_function_decls_6 L fds str bconfig o1) o -> + red_expr S C (spec_binding_inst_function_decls_5 L fd fds str fo bconfig) o - | red_spec_binding_inst_function_decls_6 : forall L S0 S C args fds str bconfig o, (* Step 5 loop *) - red_expr S C (spec_binding_inst_function_decls args L fds str bconfig) o -> - red_expr S0 C (spec_binding_inst_function_decls_6 args L fds str bconfig (out_void S)) o + | red_spec_binding_inst_function_decls_6 : forall L S0 S C fds str bconfig o, (* Step 5 loop *) + red_expr S C (spec_binding_inst_function_decls L fds str bconfig) o -> + red_expr S0 C (spec_binding_inst_function_decls_6 L fds str bconfig (out_void S)) o (* Auxiliary reductions for binding instantiation: Declaring Arguments Object (Step 7) *) - | red_spec_binding_inst_arg_obj : forall str o1 L S C lf code xs args o, (* Step 7a *) - str = prog_intro_strictness code -> + | red_spec_binding_inst_arg_obj : forall str o1 L S C lf xs args o, (* Step 7a *) (* We actually need the variable environment with its pointer to parent variable environment for arguments object since it creates function objects. But we forget the parents at the very first step of Declaration Binding Instantiation. We do not change execution context in Declaration Binding Instaniation. So it is save to take the variable environment from execution context here. For the right way to do, should it be saved at the first step and then propagated until this point? *) red_expr S C (spec_create_arguments_object lf xs args (execution_ctx_variable_env C) str) o1 -> - red_expr S C (spec_binding_inst_arg_obj_1 code L str o1) o -> - red_expr S C (spec_binding_inst_arg_obj lf code xs args L) o + red_expr S C (spec_binding_inst_arg_obj_1 L str o1) o -> + red_expr S C (spec_binding_inst_arg_obj lf xs args L str) o - | red_spec_binding_inst_arg_obj_1_strict : forall o1 L S0 S C code largs o, (* Step 7b i *) + | red_spec_binding_inst_arg_obj_1_strict : forall o1 L S0 S C largs o, (* Step 7b i *) red_expr S C (spec_env_record_create_immutable_binding L "arguments") o1 -> - red_expr S C (spec_binding_inst_arg_obj_2 code L largs o1) o -> - red_expr S0 C (spec_binding_inst_arg_obj_1 code L true (out_ter S largs)) o + red_expr S C (spec_binding_inst_arg_obj_2 L largs o1) o -> + red_expr S0 C (spec_binding_inst_arg_obj_1 L true (out_ter S largs)) o - | red_spec_binding_inst_arg_obj_2 : forall L S0 S C code largs o, (* Step 7b ii *) + | red_spec_binding_inst_arg_obj_2 : forall L S0 S C largs o, (* Step 7b ii *) red_expr S C (spec_env_record_initialize_immutable_binding L "arguments" (value_object largs)) o -> - red_expr S0 C (spec_binding_inst_arg_obj_2 code L largs (out_void S)) o + red_expr S0 C (spec_binding_inst_arg_obj_2 L largs (out_void S)) o - | red_spec_binding_inst_arg_obj_1_not_strict : forall L S0 S C code largs o, (* Step 7c *) + | red_spec_binding_inst_arg_obj_1_not_strict : forall L S0 S C largs o, (* Step 7c *) red_expr S C (spec_env_record_create_set_mutable_binding L "arguments" None largs false) o -> - red_expr S0 C (spec_binding_inst_arg_obj_1 code L false (out_ter S largs)) o + red_expr S0 C (spec_binding_inst_arg_obj_1 L false (out_ter S largs)) o (* Auxiliary reductions for binding instantiation: bindings for variable declarations (Step 8) *) @@ -2802,7 +2801,7 @@ with red_expr : state -> execution_ctx -> ext_expr -> out -> Prop := | red_spec_binding_inst_3 : forall bconfig L S C ct olf code fds xs args o1 o, (* Step 5 *) bconfig = (If ct = codetype_eval then true else false) -> (* Step 2 *) fds = prog_funcdecl code -> - red_expr S C (spec_binding_inst_function_decls args L fds (prog_intro_strictness code) bconfig) o1 -> + red_expr S C (spec_binding_inst_function_decls L fds (prog_intro_strictness code) bconfig) o1 -> red_expr S C (spec_binding_inst_4 ct olf code xs args bconfig L o1) o -> red_expr S C (spec_binding_inst_3 ct olf code xs args L) o @@ -2816,7 +2815,7 @@ with red_expr : state -> execution_ctx -> ext_expr -> out -> Prop := red_expr S C (spec_binding_inst_5 ct olf code xs args bconfig L) o | red_spec_binding_inst_6_arguments : forall o1 L S0 S C lf code xs args bconfig o, (* Step 7 *) - red_expr S C (spec_binding_inst_arg_obj lf code xs args L) o1 -> + red_expr S C (spec_binding_inst_arg_obj lf xs args L (prog_intro_strictness code)) o1 -> red_expr S C (spec_binding_inst_7 code bconfig L o1) o -> red_expr S0 C (spec_binding_inst_6 codetype_func (Some lf) code xs args bconfig L (out_ter S false)) o From d5432611f3b60482632e891ef5ee19fc088ce090 Mon Sep 17 00:00:00 2001 From: Alan Schmitt Date: Tue, 1 Sep 2015 15:39:08 +0200 Subject: [PATCH 03/22] hush --- .gitignore | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/.gitignore b/.gitignore index c7f1c39d..01386692 100644 --- a/.gitignore +++ b/.gitignore @@ -25,3 +25,7 @@ report trace.log /coq/#JsPrettyRules.v# + +*.cmi +/jsjsref/miniml/generator/tests/js/* +/jsjsref/miniml/generator/tests/*.pre From 4f28618e92d538c5e3db42dd5cf1644f01b3352b Mon Sep 17 00:00:00 2001 From: Alan Schmitt Date: Thu, 3 Sep 2015 11:38:25 +0200 Subject: [PATCH 04/22] Avoid Obj.magic in the extraction --- coq/JsInterpreterExtraction.v | 5 +++++ coq/JsSyntax.v | 12 ++++++------ 2 files changed, 11 insertions(+), 6 deletions(-) diff --git a/coq/JsInterpreterExtraction.v b/coq/JsInterpreterExtraction.v index faa210e1..09adb424 100644 --- a/coq/JsInterpreterExtraction.v +++ b/coq/JsInterpreterExtraction.v @@ -16,6 +16,11 @@ Require Import ExtrOcamlBasic. Require Import ExtrOcamlNatInt. Require Import ExtrOcamlString. +(* Do not optimize anything, to make the extracted code simpler to work with *) +Unset Extraction Optimize. +Unset Extraction KeepSingleton. +Unset Extraction AutoInline. + (* Optimal fixpoint. *) Extraction Inline FixFun3 FixFun3Mod FixFun4 FixFun4Mod FixFunMod curry3 uncurry3 curry4 uncurry4. (* As classical logic statements are now unused, they should not be extracted diff --git a/coq/JsSyntax.v b/coq/JsSyntax.v index 8932d9c7..28acbb72 100644 --- a/coq/JsSyntax.v +++ b/coq/JsSyntax.v @@ -214,7 +214,7 @@ Coercion label_string : string >-> label. (** Identifiers for builtin maths functions *) -Inductive mathop := +Inductive mathop : Set := | mathop_abs : mathop (* LATER: many others *) . @@ -362,24 +362,24 @@ Inductive builtin_get_own_prop := (** Identifiers for "GetProperty" methods *) -Inductive builtin_get_prop := +Inductive builtin_get_prop : Set := | builtin_get_prop_default. (** Identifiers for "Put" methods *) -Inductive builtin_put := +Inductive builtin_put : Set := | builtin_put_default. (* LATER: string and array *) (** Identifiers for "CanPut" methods *) -Inductive builtin_can_put := +Inductive builtin_can_put : Set := | builtin_can_put_default. (* LATER: string and array *) (** Identifiers for "HasProperty" methods *) -Inductive builtin_has_prop := +Inductive builtin_has_prop : Set := | builtin_has_prop_default. (* LATER: string and array *) @@ -392,7 +392,7 @@ Inductive builtin_delete := (** Identifiers for "DefaultValue" methods *) -Inductive builtin_default_value := +Inductive builtin_default_value : Set := | builtin_default_value_default. (* LATER: date *) From 945ecd6104550240fd0e19afcc38aef3ca81ac01 Mon Sep 17 00:00:00 2001 From: Alan Schmitt Date: Thu, 3 Sep 2015 11:42:10 +0200 Subject: [PATCH 05/22] make prheap compile again --- interp/src/prheap.ml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/interp/src/prheap.ml b/interp/src/prheap.ml index cf47fabe..e99fef3e 100644 --- a/interp/src/prheap.ml +++ b/interp/src/prheap.ml @@ -73,7 +73,7 @@ let prprealloc = function | Coq_prealloc_string_proto_char_at -> "Coq_prealloc_string_proto_char_at" | Coq_prealloc_string_proto_char_code_at -> "Coq_prealloc_string_proto_char_code_at" | Coq_prealloc_math -> "Coq_prealloc_math" - | Coq_prealloc_mathop -> "Coq_prealloc_mathop" + | Coq_prealloc_mathop _ -> "Coq_prealloc_mathop" | Coq_prealloc_date -> "Coq_prealloc_date" | Coq_prealloc_regexp -> "Coq_prealloc_regexp" | Coq_prealloc_error -> "Coq_prealloc_error" From 97b1ef5e6017f467848293a2bb0c6c982b0c1e21 Mon Sep 17 00:00:00 2001 From: Petar Maksimovic Date: Mon, 7 Sep 2015 17:36:57 +0200 Subject: [PATCH 06/22] Correction: value instead of number in one of the constructors of JsCert --- coq/JsPrettyRules.v | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/coq/JsPrettyRules.v b/coq/JsPrettyRules.v index f7ac4b4d..24e68b0e 100644 --- a/coq/JsPrettyRules.v +++ b/coq/JsPrettyRules.v @@ -4587,11 +4587,11 @@ with red_expr : state -> execution_ctx -> ext_expr -> out -> Prop := red_expr S C (spec_construct_number_1 o1) o -> red_expr S C (spec_construct_prealloc prealloc_number args) o - | red_spec_construct_number_1 : forall S0 S C S' O l v, + | red_spec_construct_number_1 : forall S0 S C S' O l n, let O1 := object_new prealloc_number_proto "Number" in - let O := object_with_primitive_value O1 v in + let O := object_with_primitive_value O1 n in (l, S') = object_alloc S O -> - red_expr S0 C (spec_construct_number_1 (out_ter S v)) (out_ter S' l) + red_expr S0 C (spec_construct_number_1 (out_ter S n)) (out_ter S' l) (*------------------------------------------------------------*) (** ** Number prototype builtin functions *) From c5e62492a6c1978f81e36bc36b35b44239e6ff96 Mon Sep 17 00:00:00 2001 From: Thomas Wood Date: Thu, 10 Sep 2015 18:22:29 +0100 Subject: [PATCH 07/22] Add Arthur's lambda example and update makefile for it --- .gitignore | 4 ---- 1 file changed, 4 deletions(-) diff --git a/.gitignore b/.gitignore index 01386692..c7f1c39d 100644 --- a/.gitignore +++ b/.gitignore @@ -25,7 +25,3 @@ report trace.log /coq/#JsPrettyRules.v# - -*.cmi -/jsjsref/miniml/generator/tests/js/* -/jsjsref/miniml/generator/tests/*.pre From f57e978e045b5da68cd5cc8a0d913d5e74224eef Mon Sep 17 00:00:00 2001 From: PetarMax Date: Sat, 5 Dec 2015 20:36:45 +0100 Subject: [PATCH 08/22] Force jsref into strict mode --- interp/parser | 2 +- interp/src/run_js.ml | 28 ++++++++++++++++++++++------ interp/src/translate_syntax.ml | 8 ++++---- interp/src/translate_syntax.mli | 22 ---------------------- 4 files changed, 27 insertions(+), 33 deletions(-) delete mode 100644 interp/src/translate_syntax.mli diff --git a/interp/parser b/interp/parser index 58322a51..5f2fd705 160000 --- a/interp/parser +++ b/interp/parser @@ -1 +1 @@ -Subproject commit 58322a5188e18039599cfb438df268cbc6417d7c +Subproject commit 5f2fd70531bf4a502c3410204d03c3e8c120dfc6 diff --git a/interp/src/run_js.ml b/interp/src/run_js.ml index 902d761b..f6f30f1d 100644 --- a/interp/src/run_js.ml +++ b/interp/src/run_js.ml @@ -6,6 +6,7 @@ let test = ref false let printHeap = ref false let skipInit = ref false let noParasite = ref false +let strictMode = ref false let string_to_list str = (* Does it already exists somewhere? *) let l = ref [] in @@ -24,33 +25,46 @@ let arguments () = Arg.parse [ "-json", Arg.Unit(fun () -> Parser_main.use_json := true), - "use the JSON parser (Esprima), -jsparser argument is ignored"; +"use the JSON parser (Esprima), -jsparser argument is ignored"; + "-from_stdin", Arg.Unit(fun () -> Parser_main.from_stdin := true), "Get a pre-parsed intermediate representation from stdin, -jsparser and -file arguments are ignored, not recommended for use with XML"; + "-jsparser", Arg.String(fun f -> Parser_main.js_to_xml_parser := f), "path to js_parser.jar"; + "-file", Arg.String(fun f -> file := f), "file to run"; + "-verbose", Arg.Unit(fun () -> Parser_main.verbose := true), "print the parsed program"; + "-test_prelude", Arg.String(fun f -> test_prelude := !test_prelude @ string_to_list f; test := true), - "include the given files before runnning the specified file"; + "include the given files before runnning the specified file"; + "-print-heap", Arg.Unit(fun () -> printHeap := true), "print the final state of the heap"; + "-skip-init", Arg.Unit(fun () -> skipInit := true), "do not print the initial heap"; + "-no-parasite", Arg.Unit(fun () -> noParasite := true), "do not run interpreter's code without being explicitely asked for"; + + "-force-strict", + Arg.Unit(fun () -> strictMode := true), + "force strict mode" + ] (fun s -> Format.eprintf "WARNING: Ignored argument %s.@." s) usage_msg @@ -187,18 +201,20 @@ let _ = arguments (); let exit_if_test _ = if !test then exit 1 in try - let prog = Translate_syntax.coq_syntax_from_main !file in + let prog = Translate_syntax.coq_syntax_from_main ~force_strict:!strictMode !file in let JsSyntax.Coq_prog_intro (str, el) = prog in + let str' = !strictMode || str in + let prog' = JsSyntax.Coq_prog_intro (str', el) in let exp_prelude = begin let els = List.concat (List.map (fun f -> let JsSyntax.Coq_prog_intro (_, el0) = - Translate_syntax.coq_syntax_from_file ~init:true f in + Translate_syntax.coq_syntax_from_file ~init:true ~force_strict:str' f in el0) !test_prelude) in - JsSyntax.Coq_prog_intro (str, els) + JsSyntax.Coq_prog_intro (str', els) end in let prelude_res = JsInterpreter.run_javascript (JsInterpreter.runs max_int) exp_prelude in - handle_result (run_prog_incremental prelude_res prog) + handle_result (run_prog_incremental prelude_res prog') with | AbnormalPreludeTermination res -> handle_result res; diff --git a/interp/src/translate_syntax.ml b/interp/src/translate_syntax.ml index f199c789..989e9f97 100644 --- a/interp/src/translate_syntax.ml +++ b/interp/src/translate_syntax.ml @@ -250,12 +250,12 @@ and exp_to_funcbody exp strict : JsSyntax.funcbody = | JsSyntax.Coq_prog_intro (_, elems) -> JsSyntax.Coq_prog_intro (strict, elems) in JsSyntax.Coq_funcbody_intro (body, []) -let coq_syntax_from_main filename = - let exp = (Parser_main.exp_from_main filename)() in +let coq_syntax_from_main ?force_strict:(str = false) filename = + let exp = (Parser_main.exp_from_main ~force_strict:str filename)() in exp_to_prog exp -let coq_syntax_from_file ?init:(i = false) filename = - let exp = Parser_main.exp_from_file ~init:i filename in +let coq_syntax_from_file ?init:(i = false) ?force_strict:(str = false) filename = + let exp = Parser_main.exp_from_file ~init:i ~force_strict:(str = false) filename in exp_to_prog exp let coq_syntax_from_string s = diff --git a/interp/src/translate_syntax.mli b/interp/src/translate_syntax.mli deleted file mode 100644 index 0d595fd3..00000000 --- a/interp/src/translate_syntax.mli +++ /dev/null @@ -1,22 +0,0 @@ - -exception CoqSyntaxDoesNotSupport of string -exception Empty_list - -val string_to_coq : string -> char list - -val unary_op_to_coq : Parser_syntax.unary_op -> JsSyntax.unary_op -val arith_op_to_coq : Parser_syntax.arith_op -> JsSyntax.binary_op -val bin_op_to_coq : Parser_syntax.bin_op -> JsSyntax.binary_op - -val exp_to_literal : Parser_syntax.exp -> JsSyntax.literal - -val exp_to_exp : Parser_syntax.exp -> JsSyntax.expr -val exp_to_stat : Parser_syntax.exp -> JsSyntax.stat -val exp_to_prog : Parser_syntax.exp -> JsSyntax.prog -val exp_to_elem : Parser_syntax.exp -> JsSyntax.element -val exp_to_funcbody : - Parser_syntax.exp -> JsSyntax.strictness_flag -> JsSyntax.funcbody - -val coq_syntax_from_file : ?init:bool -> string -> JsSyntax.prog -val coq_syntax_from_string : string -> JsSyntax.prog -val coq_syntax_from_main : string -> JsSyntax.prog From b5a3ac9e2f129d0eb732cbb7599f78f51bae931e Mon Sep 17 00:00:00 2001 From: Alan Schmitt Date: Tue, 1 Mar 2016 11:53:05 +0100 Subject: [PATCH 09/22] hush --- .gitignore | 3 +++ 1 file changed, 3 insertions(+) diff --git a/.gitignore b/.gitignore index c7f1c39d..7b9ffae4 100644 --- a/.gitignore +++ b/.gitignore @@ -25,3 +25,6 @@ report trace.log /coq/#JsPrettyRules.v# + +.tern-port +/jsjsref/miniml/generator/tests/jsref/lineof.js \ No newline at end of file From 28793c8b87925897f9bdbef6cecbe719273ffd45 Mon Sep 17 00:00:00 2001 From: Thomas Wood Date: Wed, 16 Mar 2016 14:02:25 +0000 Subject: [PATCH 10/22] Remove dependency on Prheap for jsjsref --- coq/JsInterpreterExtraction.v | 13 ++----- interp/src/debug.ml | 37 +++++++++++++++++++ .../src/insert/lexical_env_get_identifier_ref | 2 +- interp/src/insert/ref_get_value | 2 +- interp/src/insert/ref_get_value2 | 2 +- .../src/insert/run_object_heap_set_extensible | 2 +- interp/src/insert/run_object_method | 2 +- 7 files changed, 45 insertions(+), 15 deletions(-) create mode 100644 interp/src/debug.ml diff --git a/coq/JsInterpreterExtraction.v b/coq/JsInterpreterExtraction.v index 09adb424..b04d1f9f 100644 --- a/coq/JsInterpreterExtraction.v +++ b/coq/JsInterpreterExtraction.v @@ -232,16 +232,9 @@ Extract Constant parse_pickable => "(fun s strict -> (* Debugging *) -Extract Inlined Constant not_yet_implemented_because => "(fun s -> - print_endline (__LOC__ ^ "": Not implemented because: "" ^ Prheap.string_of_char_list s) ; - Coq_result_not_yet_implemented)". -Extract Inlined Constant impossible_because => "(fun s -> - print_endline (__LOC__ ^ "": Stuck because: "" ^ Prheap.string_of_char_list s) ; - Coq_result_impossible)". -Extract Inlined Constant impossible_with_heap_because => "(fun s message -> - print_endline (__LOC__ ^ "": Stuck!\nState: "" ^ Prheap.prstate true s - ^ ""\nMessage:\t"" ^ Prheap.string_of_char_list message) ; - Coq_result_impossible)". +Extract Inlined Constant not_yet_implemented_because => "(fun s -> Debug.not_yet_implemented_because __LOC__ s; Coq_result_impossible)". +Extract Inlined Constant impossible_because => "(fun s -> Debug.impossible_because __LOC__ s; Coq_result_impossible)". +Extract Inlined Constant impossible_with_heap_because => "(fun s m -> Debug.impossible_with_heap_because __LOC__ s m; Coq_result_impossible)". (* Final Extraction *) diff --git a/interp/src/debug.ml b/interp/src/debug.ml new file mode 100644 index 00000000..a6d558c3 --- /dev/null +++ b/interp/src/debug.ml @@ -0,0 +1,37 @@ +open Prheap + +(* Various debug helper functions *) + +(* Inserted by extraction *) + +let not_yet_implemented_because loc s = + print_endline (loc ^ ": Not implemented because: " ^ string_of_char_list s) + +let impossible_because loc s = + print_endline (loc ^ ": Stuck because: " ^ string_of_char_list s) + +let impossible_with_heap_because loc s message = + print_endline (loc ^ ": Stuck!\nState: " ^ prstate true s ^ "\nMessage:\t" ^ string_of_char_list message) + +(* Inserted into JsInterpreter by patching in Makefile functions named after the appropriate insertion *) + +let ref_get_value r = + prerr_string "Warning: ref_get_value returns the undefined value on "; + prerr_string (Prheap.prref r); + prerr_newline() + + +let ref_get_value_2 r = + prerr_string ("Warning: ref_get_value returns the undefined value on "); + prerr_string (Prheap.prresvalue r); + prerr_newline() + +let run_object_method l = + prerr_endline (Printf.sprintf "Warning: in run_object_method the location %s is unfetchable." (Prheap.prloc l)) + +let run_object_heap_set_extensible l = + prerr_endline (Printf.sprintf "Warning: in run_object_heap_set_extensible the location %s is unfetchable." (Prheap.prloc l)) + +let lexical_env_get_identifier_ref x0 = + prerr_endline ("Warning: lexical_env_get_identifier_ref fails to find " ^ (Prheap.string_of_char_list x0)) + diff --git a/interp/src/insert/lexical_env_get_identifier_ref b/interp/src/insert/lexical_env_get_identifier_ref index 9ef4b5e0..e6b56702 100644 --- a/interp/src/insert/lexical_env_get_identifier_ref +++ b/interp/src/insert/lexical_env_get_identifier_ref @@ -1,2 +1,2 @@ - prerr_endline (\"Warning: lexical_env_get_identifier_ref fails to find \" ^ (Prheap.string_of_char_list x0));\n + Debug.lexical_env_get_identifier_ref x0;\n result_val s (ref_create_value (Coq_value_prim Coq_prim_undef) x0 str) diff --git a/interp/src/insert/ref_get_value b/interp/src/insert/ref_get_value index 95346bd8..306951c9 100644 --- a/interp/src/insert/ref_get_value +++ b/interp/src/insert/ref_get_value @@ -1 +1 @@ -prerr_string (\"Warning: ref_get_value returns the undefined value on \"); prerr_string (Prheap.prref r); prerr_newline(); res_res (run_error s Coq_native_error_ref) +Debug.ref_get_value r; res_res (run_error s Coq_native_error_ref) diff --git a/interp/src/insert/ref_get_value2 b/interp/src/insert/ref_get_value2 index bc0c3ca8..60a9dc9d 100644 --- a/interp/src/insert/ref_get_value2 +++ b/interp/src/insert/ref_get_value2 @@ -2,7 +2,7 @@ let ref_get_value runs s c r =\n let res = ref_get_value runs s c r in match res with\n \| JsInterpreterMonads.Coq_result_some (Coq_specret_val (_, rs)) -> begin match rs with\n \| Coq_value_prim (Coq_prim_undef) ->\n - prerr_string (\"Warning: ref_get_value returns the undefined value on \"); prerr_string (Prheap.prresvalue r); prerr_newline(); res\n + Debug.ref_get_value_2 r; res\n \| _ -> res\n end\n \| _ -> res\n diff --git a/interp/src/insert/run_object_heap_set_extensible b/interp/src/insert/run_object_heap_set_extensible index 9b8d9da1..b5870e8c 100644 --- a/interp/src/insert/run_object_heap_set_extensible +++ b/interp/src/insert/run_object_heap_set_extensible @@ -1,7 +1,7 @@ let run_object_heap_set_extensible b s l =\n let opt = object_binds_pickable_option s l in\n begin match opt with\n - \| None -> prerr_endline (Printf.sprintf \"Warning: in run_object_heap_set_extensible the location \%s is unfetchable.\" (Prheap.prloc l))\n + \| None -> Debug.run_object_heap_set_extensible l\n \| _ -> ()\n end;\n LibOption.map (fun o -> object_write s l (object_set_extensible o b)) opt\n diff --git a/interp/src/insert/run_object_method b/interp/src/insert/run_object_method index 56765942..923da8d7 100644 --- a/interp/src/insert/run_object_method +++ b/interp/src/insert/run_object_method @@ -1,7 +1,7 @@ let run_object_method proj s l =\n let opt = object_binds_pickable_option s l in\n begin match opt with\n - \| None -> prerr_endline (Printf.sprintf \"Warning: in run_object_method the location \%s is unfetchable.\" (Prheap.prloc l))\n + \| None -> Debug.run_object_method l\n \| _ -> ()\n end;\n LibOption.map proj opt\n From 566e477b8b86316c085ccb32185105a99b8f9eda Mon Sep 17 00:00:00 2001 From: Thomas Wood Date: Thu, 7 Apr 2016 13:16:05 +0100 Subject: [PATCH 11/22] Fix default code view (exception triggered when entering code into box and run without loading an example) --- interp/test.js | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/interp/test.js b/interp/test.js index 225407db..e9209a2a 100644 --- a/interp/test.js +++ b/interp/test.js @@ -1 +1 @@ -var a = ["1","2","45",,,,,"46"]; +__$ERROR__ = [0].length; From 963ac94d3820104aac7867e9e97a551781dddc98 Mon Sep 17 00:00:00 2001 From: charguer Date: Wed, 27 Apr 2016 11:23:30 +0200 Subject: [PATCH 12/22] msg_mark --- com/2016_04_27_certif.txt | 54 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 com/2016_04_27_certif.txt diff --git a/com/2016_04_27_certif.txt b/com/2016_04_27_certif.txt new file mode 100644 index 00000000..f77fc93d --- /dev/null +++ b/com/2016_04_27_certif.txt @@ -0,0 +1,54 @@ + + +Hi Mark, + +I discussed with Alan and here are a few answers to your questions. + +*) I did tell you that, to establish a security theorem, you need to + formalize all the "features" of the language. As Dominique + pointed out, for many libraries, which are written in pure JS + (or at least are morally equivalent to pure JS code), we don't need + to formalize them, because such libraries don't introduce additional + "language features" which might give rise to security breaches. + However, any library that has an internal state (e.g. Date, Random, + and I suppose many interactions with the DOM, etc..) can be potential + sources of trouble. Indeed, as soon as a stateful module might get + called both by trusted code and untrusted code, you may have + an information channel that might be exploited. + +*) We agree that it is somewhat unrealistic to expect all language + features to be formalized before starting to work on the proof + of security theorems. Like you said, we should attempt to work out + and to formally state in Coq the invariants that are required for + proving the theorems of interest. Then, we could advertise these + invariants (translated in English prose) to the developers of the + various language features, in the hope that those developers can + confirm that their features indeed satisfy the invariants---or + at least that they intend to. + +*) Regarding the statement of the invariants, we should work on them + together. In particular, Alan and I came up with some ideas for + specifying what a proxy should guarantee. We should discuss that + with you, probably offline (we expect a certain number of iterations + may be needed to converge to something that makes enough sense). + In general, to formally express particular invariants, it is required + to augment the semantics with so-called "ghost" information, used + for keeping track, e.g. of the set of pointers that have been + leaked on purpose. + +*) In parallel, we believe it would still be worthwhile extending our + reference interpreter from ES5 to a large subset of ES6. However, + we simply don't have the manpower to do this work ourselves. + Nevertheless, we would be happy to help whenever a difficulty is + encountered. Note that our interpreter is currently written in a + tiny subset of the OCaml language. We were tempted to consider + using a tiny subset of JS, but OCaml provides a far more concise + syntax, moreover it provides full type-checking of the code. In + addition, that our OCaml interpreter gets translated to readable + and executable JS code. Overall, we believe it should not be hard + for a programmer with no experience in OCaml to extend our interpreter. + (Alan will present the interpreter and give a demo in May.) + + +Best, +Arthur From 3f694bd9d74d53d6cccbc5180899167c886a11fe Mon Sep 17 00:00:00 2001 From: charguer Date: Wed, 27 Apr 2016 15:42:09 +0200 Subject: [PATCH 13/22] mark --- com/2016_04_27_certif.txt | 87 +++++++++++++++++++++------------------ 1 file changed, 46 insertions(+), 41 deletions(-) diff --git a/com/2016_04_27_certif.txt b/com/2016_04_27_certif.txt index f77fc93d..05230938 100644 --- a/com/2016_04_27_certif.txt +++ b/com/2016_04_27_certif.txt @@ -1,53 +1,58 @@ +@erights, all, -Hi Mark, - -I discussed with Alan and here are a few answers to your questions. +I discussed with Alan and here are a few answers/comments. *) I did tell you that, to establish a security theorem, you need to - formalize all the "features" of the language. As Dominique - pointed out, for many libraries, which are written in pure JS - (or at least are morally equivalent to pure JS code), we don't need - to formalize them, because such libraries don't introduce additional - "language features" which might give rise to security breaches. - However, any library that has an internal state (e.g. Date, Random, - and I suppose many interactions with the DOM, etc..) can be potential - sources of trouble. Indeed, as soon as a stateful module might get - called both by trusted code and untrusted code, you may have - an information channel that might be exploited. +formalize all the "features" of the language. As Dominique +pointed out, for many libraries, which are written in pure JS +(or at least are morally equivalent to pure JS code), we don't need +to formalize them, because such libraries don't introduce additional +"language features" which might give rise to security breaches. +However, any library that has an internal state (e.g. Date, Random, +and I suppose many interactions with the DOM, etc..) can be potential +sources of trouble. Indeed, as soon as a stateful module might get +called both by trusted code and untrusted code, you may have +an information channel that might be exploited. *) We agree that it is somewhat unrealistic to expect all language - features to be formalized before starting to work on the proof - of security theorems. Like you said, we should attempt to work out - and to formally state in Coq the invariants that are required for - proving the theorems of interest. Then, we could advertise these - invariants (translated in English prose) to the developers of the - various language features, in the hope that those developers can - confirm that their features indeed satisfy the invariants---or - at least that they intend to. - +features to be formalized before starting to work on the proof +of security theorems. Like you said, we should attempt to work out +and to formally state in Coq the invariants that are required for +proving the theorems of interest. Then, we could advertise these +invariants (translated in English prose) to the developers of the +various language features, in the hope that those developers can +confirm that their features indeed satisfy the invariants---or +at least that they intend to. + *) Regarding the statement of the invariants, we should work on them - together. In particular, Alan and I came up with some ideas for - specifying what a proxy should guarantee. We should discuss that - with you, probably offline (we expect a certain number of iterations - may be needed to converge to something that makes enough sense). - In general, to formally express particular invariants, it is required - to augment the semantics with so-called "ghost" information, used - for keeping track, e.g. of the set of pointers that have been - leaked on purpose. +together. In particular, Alan and I came up with some ideas for +specifying what a proxy should guarantee. We should discuss that +with you, probably offline (we expect a certain number of iterations +may be needed to converge to something that makes enough sense). +In general, to formally express particular invariants, it is required +to augment the semantics with so-called "ghost" information, used +for keeping track, e.g., of the set of pointers that have been +leaked on purpose. *) In parallel, we believe it would still be worthwhile extending our - reference interpreter from ES5 to a large subset of ES6. However, - we simply don't have the manpower to do this work ourselves. - Nevertheless, we would be happy to help whenever a difficulty is - encountered. Note that our interpreter is currently written in a - tiny subset of the OCaml language. We were tempted to consider - using a tiny subset of JS, but OCaml provides a far more concise - syntax, moreover it provides full type-checking of the code. In - addition, that our OCaml interpreter gets translated to readable - and executable JS code. Overall, we believe it should not be hard - for a programmer with no experience in OCaml to extend our interpreter. - (Alan will present the interpreter and give a demo in May.) +reference interpreter from ES5 to a large subset of ES6. However, +we simply don't have the manpower to do this work ourselves. +Nevertheless, we would be happy to help whenever a difficulty is +encountered. Note that our interpreter is currently written in a +tiny subset of the OCaml language. Overall, we believe it should +not be hard for a programmer with no experience in OCaml to extend our interpreter. + +---Remark: our interpreter used to be written in Coq and extracted +to OCaml but we cound it simpler to write OCaml directly; we are +looking forward to generate Coq definitions from OCaml code in the +future. We were even tempted to consider writing the interpreter +a tiny subset of JS, but we found that OCaml provides a far more +concise syntax, moreover it provides handy type-checking of the code. +In addition, that our OCaml interpreter gets translated to readable +and executable JS code.) + +(Alan will present the interpreter and give a demo in May.) Best, From f7d7429d298c9104fba83c9595bc73b5d4bb6b23 Mon Sep 17 00:00:00 2001 From: Alan Schmitt Date: Thu, 12 May 2016 09:31:24 +0200 Subject: [PATCH 14/22] tweaking --- interp/tracer/codemirror/lib/codemirror.css | 133 +- interp/tracer/codemirror/lib/codemirror.js | 3302 ++++++++++++------- interp/tracer/codemirror/lib/javascript.js | 742 +++++ interp/tracer/codemirror/lib/mllike.js | 205 ++ 4 files changed, 3221 insertions(+), 1161 deletions(-) create mode 100644 interp/tracer/codemirror/lib/javascript.js create mode 100644 interp/tracer/codemirror/lib/mllike.js diff --git a/interp/tracer/codemirror/lib/codemirror.css b/interp/tracer/codemirror/lib/codemirror.css index c0897771..1cf66a9f 100644 --- a/interp/tracer/codemirror/lib/codemirror.css +++ b/interp/tracer/codemirror/lib/codemirror.css @@ -4,10 +4,7 @@ /* Set height, width, borders, and global font properties here */ font-family: monospace; height: 300px; -} -.CodeMirror-scroll { - /* Set scrolling behaviour here */ - overflow: auto; + color: black; } /* PADDING */ @@ -36,8 +33,7 @@ min-width: 20px; text-align: right; color: #999; - -moz-box-sizing: content-box; - box-sizing: content-box; + white-space: nowrap; } .CodeMirror-guttermarker { color: black; } @@ -45,45 +41,52 @@ /* CURSOR */ -.CodeMirror div.CodeMirror-cursor { +.CodeMirror-cursor { border-left: 1px solid black; + border-right: none; + width: 0; } /* Shown when moving in bi-directional text */ .CodeMirror div.CodeMirror-secondarycursor { border-left: 1px solid silver; } -.CodeMirror.cm-keymap-fat-cursor div.CodeMirror-cursor { +.cm-fat-cursor .CodeMirror-cursor { width: auto; border: 0; background: #7e7; } +.cm-fat-cursor div.CodeMirror-cursors { + z-index: 1; +} + .cm-animate-fat-cursor { width: auto; border: 0; -webkit-animation: blink 1.06s steps(1) infinite; -moz-animation: blink 1.06s steps(1) infinite; animation: blink 1.06s steps(1) infinite; + background-color: #7e7; } @-moz-keyframes blink { - 0% { background: #7e7; } - 50% { background: none; } - 100% { background: #7e7; } + 0% {} + 50% { background-color: transparent; } + 100% {} } @-webkit-keyframes blink { - 0% { background: #7e7; } - 50% { background: none; } - 100% { background: #7e7; } + 0% {} + 50% { background-color: transparent; } + 100% {} } @keyframes blink { - 0% { background: #7e7; } - 50% { background: none; } - 100% { background: #7e7; } + 0% {} + 50% { background-color: transparent; } + 100% {} } /* Can style cursor different in overwrite (non-insert) mode */ -div.CodeMirror-overwrite div.CodeMirror-cursor {} +.CodeMirror-overwrite .CodeMirror-cursor {} -.cm-tab { display: inline-block; } +.cm-tab { display: inline-block; text-decoration: inherit; } .CodeMirror-ruler { border-left: 1px solid #ccc; @@ -92,6 +95,15 @@ div.CodeMirror-overwrite div.CodeMirror-cursor {} /* DEFAULT THEME */ +.cm-s-default .cm-header {color: blue;} +.cm-s-default .cm-quote {color: #090;} +.cm-negative {color: #d44;} +.cm-positive {color: #292;} +.cm-header, .cm-strong {font-weight: bold;} +.cm-em {font-style: italic;} +.cm-link {text-decoration: underline;} +.cm-strikethrough {text-decoration: line-through;} + .cm-s-default .cm-keyword {color: #708;} .cm-s-default .cm-atom {color: #219;} .cm-s-default .cm-number {color: #164;} @@ -111,20 +123,14 @@ div.CodeMirror-overwrite div.CodeMirror-cursor {} .cm-s-default .cm-bracket {color: #997;} .cm-s-default .cm-tag {color: #170;} .cm-s-default .cm-attribute {color: #00c;} -.cm-s-default .cm-header {color: blue;} -.cm-s-default .cm-quote {color: #090;} .cm-s-default .cm-hr {color: #999;} .cm-s-default .cm-link {color: #00c;} -.cm-negative {color: #d44;} -.cm-positive {color: #292;} -.cm-header, .cm-strong {font-weight: bold;} -.cm-em {font-style: italic;} -.cm-link {text-decoration: underline;} - .cm-s-default .cm-error {color: #f00;} .cm-invalidchar {color: #f00;} +.CodeMirror-composing { border-bottom: 2px solid; } + /* Default styles for common addons */ div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;} @@ -138,14 +144,13 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} the editor. You probably shouldn't touch them. */ .CodeMirror { - line-height: 1; position: relative; overflow: hidden; background: white; - color: black; } .CodeMirror-scroll { + overflow: scroll !important; /* Things will break if this is overridden */ /* 30px is the magic margin used to hide the element's real scrollbars */ /* See overflow: hidden in .CodeMirror */ margin-bottom: -30px; margin-right: -30px; @@ -153,18 +158,14 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} height: 100%; outline: none; /* Prevent dragging from highlighting the element */ position: relative; - -moz-box-sizing: content-box; - box-sizing: content-box; } .CodeMirror-sizer { position: relative; border-right: 30px solid transparent; - -moz-box-sizing: content-box; - box-sizing: content-box; } /* The fake, visible scrollbars. Used to force redraw during scrolling - before actuall scrolling happens, thus preventing shaking and + before actual scrolling happens, thus preventing shaking and flickering artifacts. */ .CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler { position: absolute; @@ -190,29 +191,44 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} .CodeMirror-gutters { position: absolute; left: 0; top: 0; - padding-bottom: 30px; + min-height: 100%; z-index: 3; } .CodeMirror-gutter { white-space: normal; height: 100%; - -moz-box-sizing: content-box; - box-sizing: content-box; - padding-bottom: 30px; - margin-bottom: -32px; display: inline-block; + vertical-align: top; + margin-bottom: -30px; /* Hack to make IE7 behave */ *zoom:1; *display:inline; } +.CodeMirror-gutter-wrapper { + position: absolute; + z-index: 4; + background: none !important; + border: none !important; +} +.CodeMirror-gutter-background { + position: absolute; + top: 0; bottom: 0; + z-index: 4; +} .CodeMirror-gutter-elt { position: absolute; cursor: default; z-index: 4; } +.CodeMirror-gutter-wrapper { + -webkit-user-select: none; + -moz-user-select: none; + user-select: none; +} .CodeMirror-lines { cursor: text; + min-height: 1px; /* prevents collapsing before first draw */ } .CodeMirror pre { /* Reset some styles that the rest of the page might have set */ @@ -229,6 +245,9 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} z-index: 2; position: relative; overflow: visible; + -webkit-tap-highlight-color: transparent; + -webkit-font-variant-ligatures: none; + font-variant-ligatures: none; } .CodeMirror-wrap pre { word-wrap: break-word; @@ -250,8 +269,18 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} .CodeMirror-widget {} -.CodeMirror-wrap .CodeMirror-scroll { - overflow-x: hidden; +.CodeMirror-code { + outline: none; +} + +/* Force content-box sizing for the elements where we expect it */ +.CodeMirror-scroll, +.CodeMirror-sizer, +.CodeMirror-gutter, +.CodeMirror-gutters, +.CodeMirror-linenumber { + -moz-box-sizing: content-box; + box-sizing: content-box; } .CodeMirror-measure { @@ -261,19 +290,19 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} overflow: hidden; visibility: hidden; } -.CodeMirror-measure pre { position: static; } -.CodeMirror div.CodeMirror-cursor { - position: absolute; - border-right: none; - width: 0; -} +.CodeMirror-cursor { position: absolute; } +.CodeMirror-measure pre { position: static; } div.CodeMirror-cursors { visibility: hidden; position: relative; - z-index: 1; + z-index: 3; +} +div.CodeMirror-dragcursors { + visibility: visible; } + .CodeMirror-focused div.CodeMirror-cursors { visibility: visible; } @@ -281,6 +310,8 @@ div.CodeMirror-cursors { .CodeMirror-selected { background: #d9d9d9; } .CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; } .CodeMirror-crosshair { cursor: crosshair; } +.CodeMirror-line::selection, .CodeMirror-line > span::selection, .CodeMirror-line > span > span::selection { background: #d7d4f0; } +.CodeMirror-line::-moz-selection, .CodeMirror-line > span::-moz-selection, .CodeMirror-line > span > span::-moz-selection { background: #d7d4f0; } .cm-searching { background: #ffa; @@ -299,3 +330,9 @@ div.CodeMirror-cursors { visibility: hidden; } } + +/* See issue #2901 */ +.cm-tab-wrap-hack:after { content: ''; } + +/* Help users use markselection to safely style text background */ +span.CodeMirror-selectedtext { background: none; } diff --git a/interp/tracer/codemirror/lib/codemirror.js b/interp/tracer/codemirror/lib/codemirror.js index 1ed13911..33928bc8 100644 --- a/interp/tracer/codemirror/lib/codemirror.js +++ b/interp/tracer/codemirror/lib/codemirror.js @@ -13,7 +13,7 @@ else if (typeof define == "function" && define.amd) // AMD return define([], mod); else // Plain browser env - this.CodeMirror = mod(); + (this || window).CodeMirror = mod(); })(function() { "use strict"; @@ -21,29 +21,30 @@ // Kludges for bugs and behavior differences that can't be feature // detected are enabled based on userAgent etc sniffing. + var userAgent = navigator.userAgent; + var platform = navigator.platform; - var gecko = /gecko\/\d/i.test(navigator.userAgent); - // ie_uptoN means Internet Explorer version N or lower - var ie_upto10 = /MSIE \d/.test(navigator.userAgent); - var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(navigator.userAgent); + var gecko = /gecko\/\d/i.test(userAgent); + var ie_upto10 = /MSIE \d/.test(userAgent); + var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent); var ie = ie_upto10 || ie_11up; var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : ie_11up[1]); - var webkit = /WebKit\//.test(navigator.userAgent); - var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(navigator.userAgent); - var chrome = /Chrome\//.test(navigator.userAgent); - var presto = /Opera\//.test(navigator.userAgent); + var webkit = /WebKit\//.test(userAgent); + var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent); + var chrome = /Chrome\//.test(userAgent); + var presto = /Opera\//.test(userAgent); var safari = /Apple Computer/.test(navigator.vendor); - var khtml = /KHTML\//.test(navigator.userAgent); - var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(navigator.userAgent); - var phantom = /PhantomJS/.test(navigator.userAgent); + var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent); + var phantom = /PhantomJS/.test(userAgent); - var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent); + var ios = /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent); // This is woefully incomplete. Suggestions for alternative methods welcome. - var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(navigator.userAgent); - var mac = ios || /Mac/.test(navigator.platform); - var windows = /win/i.test(navigator.platform); + var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent); + var mac = ios || /Mac/.test(platform); + var chromeOS = /\bCrOS\b/.test(userAgent); + var windows = /win/i.test(platform); - var presto_version = presto && navigator.userAgent.match(/Version\/(\d*\.\d*)/); + var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/); if (presto_version) presto_version = Number(presto_version[1]); if (presto_version && presto_version >= 15) { presto = false; webkit = true; } // Some browsers use the wrong event properties to signal cmd/ctrl on OS X @@ -61,56 +62,70 @@ function CodeMirror(place, options) { if (!(this instanceof CodeMirror)) return new CodeMirror(place, options); - this.options = options = options || {}; + this.options = options = options ? copyObj(options) : {}; // Determine effective options based on given values and defaults. copyObj(defaults, options, false); setGuttersForLineNumbers(options); var doc = options.value; - if (typeof doc == "string") doc = new Doc(doc, options.mode); + if (typeof doc == "string") doc = new Doc(doc, options.mode, null, options.lineSeparator); this.doc = doc; - var display = this.display = new Display(place, doc); + var input = new CodeMirror.inputStyles[options.inputStyle](this); + var display = this.display = new Display(place, doc, input); display.wrapper.CodeMirror = this; updateGutters(this); themeChanged(this); if (options.lineWrapping) this.display.wrapper.className += " CodeMirror-wrap"; - if (options.autofocus && !mobile) focusInput(this); + if (options.autofocus && !mobile) display.input.focus(); + initScrollbars(this); this.state = { keyMaps: [], // stores maps added by addKeyMap overlays: [], // highlighting overlays, as added by addOverlay modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info - overwrite: false, focused: false, + overwrite: false, + delayingBlurEvent: false, + focused: false, suppressEdits: false, // used to disable editing during key handlers when in readOnly mode - pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in readInput + pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll + selectingText: false, draggingText: false, - highlight: new Delayed() // stores highlight worker timeout + highlight: new Delayed(), // stores highlight worker timeout + keySeq: null, // Unfinished key sequence + specialChars: null }; + var cm = this; + // Override magic textarea content restore that IE sometimes does // on our hidden textarea on reload - if (ie && ie_version < 11) setTimeout(bind(resetInput, this, true), 20); + if (ie && ie_version < 11) setTimeout(function() { cm.display.input.reset(true); }, 20); registerEventHandlers(this); ensureGlobalHandlers(); - var cm = this; - runInOp(this, function() { - cm.curOp.forceUpdate = true; - attachDoc(cm, doc); + startOperation(this); + this.curOp.forceUpdate = true; + attachDoc(this, doc); - if ((options.autofocus && !mobile) || activeElt() == display.input) - setTimeout(bind(onFocus, cm), 20); - else - onBlur(cm); + if ((options.autofocus && !mobile) || cm.hasFocus()) + setTimeout(bind(onFocus, this), 20); + else + onBlur(this); - for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt)) - optionHandlers[opt](cm, options[opt], Init); - maybeUpdateLineNumberWidth(cm); - for (var i = 0; i < initHooks.length; ++i) initHooks[i](cm); - }); + for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt)) + optionHandlers[opt](this, options[opt], Init); + maybeUpdateLineNumberWidth(this); + if (options.finishInit) options.finishInit(this); + for (var i = 0; i < initHooks.length; ++i) initHooks[i](this); + endOperation(this); + // Suppress optimizelegibility in Webkit, since it breaks text + // measuring on line wrapping boundaries. + if (webkit && options.lineWrapping && + getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") + display.lineDiv.style.textRendering = "auto"; } // DISPLAY CONSTRUCTOR @@ -119,32 +134,17 @@ // and content drawing. It holds references to DOM nodes and // display-related state. - function Display(place, doc) { + function Display(place, doc, input) { var d = this; + this.input = input; - // The semihidden textarea that is focused when the editor is - // focused, and receives input. - var input = d.input = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none"); - // The textarea is kept positioned near the cursor to prevent the - // fact that it'll be scrolled into view on input from scrolling - // our fake cursor out of view. On webkit, when wrap=off, paste is - // very slow. So make the area wide instead. - if (webkit) input.style.width = "1000px"; - else input.setAttribute("wrap", "off"); - // If border: 0; -- iOS fails to open keyboard (issue #1287) - if (ios) input.style.border = "1px solid black"; - input.setAttribute("autocorrect", "off"); input.setAttribute("autocapitalize", "off"); input.setAttribute("spellcheck", "false"); - - // Wraps and hides input textarea - d.inputDiv = elt("div", [input], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); - // The fake scrollbar elements. - d.scrollbarH = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); - d.scrollbarV = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); // Covers bottom-right square when both scrollbars are present. d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler"); + d.scrollbarFiller.setAttribute("cm-not-content", "true"); // Covers bottom of gutter when coverGutterNextToScrollbar is on // and h scrollbar is present. d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler"); + d.gutterFiller.setAttribute("cm-not-content", "true"); // Will contain the actual code, positioned to cover the viewport. d.lineDiv = elt("div", null, "CodeMirror-code"); // Elements are added to these to represent selection and cursors. @@ -161,10 +161,11 @@ d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative"); // Set to the height of the document, allowing scrolling. d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); + d.sizerWidth = null; // Behavior of elts with overflow: auto and padding is // inconsistent across browsers. This is used to ensure the // scrollable area is big enough. - d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerCutOff + "px; width: 1px;"); + d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;"); // Will contain the gutters, if any. d.gutters = elt("div", null, "CodeMirror-gutters"); d.lineGutter = null; @@ -172,56 +173,44 @@ d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll"); d.scroller.setAttribute("tabIndex", "-1"); // The element in which the editor lives. - d.wrapper = elt("div", [d.inputDiv, d.scrollbarH, d.scrollbarV, - d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror"); + d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror"); // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } - // Needed to hide big blue blinking cursor on Mobile Safari - if (ios) input.style.width = "0px"; - if (!webkit) d.scroller.draggable = true; - // Needed to handle Tab key in KHTML - if (khtml) { d.inputDiv.style.height = "1px"; d.inputDiv.style.position = "absolute"; } - // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). - if (ie && ie_version < 8) d.scrollbarH.style.minHeight = d.scrollbarV.style.minWidth = "18px"; + if (!webkit && !(gecko && mobile)) d.scroller.draggable = true; - if (place.appendChild) place.appendChild(d.wrapper); - else place(d.wrapper); + if (place) { + if (place.appendChild) place.appendChild(d.wrapper); + else place(d.wrapper); + } // Current rendered range (may be bigger than the view window). d.viewFrom = d.viewTo = doc.first; + d.reportedViewFrom = d.reportedViewTo = doc.first; // Information about the rendered lines. d.view = []; + d.renderedView = null; // Holds info about a single rendered line when it was rendered // for measurement, while not in view. d.externalMeasured = null; // Empty space (in pixels) above the view d.viewOffset = 0; - d.lastSizeC = 0; + d.lastWrapHeight = d.lastWrapWidth = 0; d.updateLineNumbers = null; + d.nativeBarWidth = d.barHeight = d.barWidth = 0; + d.scrollbarsClipped = false; + // Used to only resize the line number gutter when necessary (when // the amount of lines crosses a boundary that makes its width change) d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null; - // See readInput and resetInput - d.prevInput = ""; // Set to true when a non-horizontal-scrolling line widget is // added. As an optimization, line widget aligning is skipped when // this is false. d.alignWidgets = false; - // Flag that indicates whether we expect input to appear real soon - // now (after some event like 'keypress' or 'input') and are - // polling intensively. - d.pollingFast = false; - // Self-resetting timeout for the poller - d.poll = new Delayed(); d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; - // Tracks when resetInput has punted to just putting a short - // string into the textarea instead of the full selection. - d.inaccurateSelection = false; - // Tracks the maximum line length so that the horizontal scrollbar // can be kept static when scrolling. d.maxLine = null; @@ -237,6 +226,10 @@ // Used to track whether anything happened since the context menu // was opened. d.selForContextMenu = null; + + d.activeTouch = null; + + input.init(d); } // STATE UPDATES @@ -263,6 +256,7 @@ if (cm.options.lineWrapping) { addClass(cm.display.wrapper, "CodeMirror-wrap"); cm.display.sizer.style.minWidth = ""; + cm.display.sizerWidth = null; } else { rmClass(cm.display.wrapper, "CodeMirror-wrap"); findMaxLine(cm); @@ -302,12 +296,6 @@ }); } - function keyMapChanged(cm) { - var map = keyMap[cm.options.keyMap], style = map.style; - cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-keymap-\S+/g, "") + - (style ? " cm-keymap-" + style : ""); - } - function themeChanged(cm) { cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); @@ -340,7 +328,6 @@ function updateGutterSpace(cm) { var width = cm.display.gutters.offsetWidth; cm.display.sizer.style.marginLeft = width + "px"; - cm.display.scrollbarH.style.left = cm.options.fixedGutter ? width + "px" : 0; } // Compute the character length of a line, taking into account @@ -393,78 +380,182 @@ // SCROLLBARS - function hScrollbarTakesSpace(cm) { - return cm.display.scroller.clientHeight - cm.display.wrapper.clientHeight < scrollerCutOff - 3; - } - // Prepare DOM reads needed to update the scrollbars. Done in one // shot to minimize update/measure roundtrips. function measureForScrollbars(cm) { - var scroll = cm.display.scroller; + var d = cm.display, gutterW = d.gutters.offsetWidth; + var docH = Math.round(cm.doc.height + paddingVert(cm.display)); return { - clientHeight: scroll.clientHeight, - barHeight: cm.display.scrollbarV.clientHeight, - scrollWidth: scroll.scrollWidth, clientWidth: scroll.clientWidth, - hScrollbarTakesSpace: hScrollbarTakesSpace(cm), - barWidth: cm.display.scrollbarH.clientWidth, - docHeight: Math.round(cm.doc.height + paddingVert(cm.display)) + clientHeight: d.scroller.clientHeight, + viewHeight: d.wrapper.clientHeight, + scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, + viewWidth: d.wrapper.clientWidth, + barLeft: cm.options.fixedGutter ? gutterW : 0, + docHeight: docH, + scrollHeight: docH + scrollGap(cm) + d.barHeight, + nativeBarWidth: d.nativeBarWidth, + gutterWidth: gutterW }; } - // Re-synchronize the fake scrollbars with the actual size of the - // content. + function NativeScrollbars(place, scroll, cm) { + this.cm = cm; + var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); + var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); + place(vert); place(horiz); + + on(vert, "scroll", function() { + if (vert.clientHeight) scroll(vert.scrollTop, "vertical"); + }); + on(horiz, "scroll", function() { + if (horiz.clientWidth) scroll(horiz.scrollLeft, "horizontal"); + }); + + this.checkedZeroWidth = false; + // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). + if (ie && ie_version < 8) this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; + } + + NativeScrollbars.prototype = copyObj({ + update: function(measure) { + var needsH = measure.scrollWidth > measure.clientWidth + 1; + var needsV = measure.scrollHeight > measure.clientHeight + 1; + var sWidth = measure.nativeBarWidth; + + if (needsV) { + this.vert.style.display = "block"; + this.vert.style.bottom = needsH ? sWidth + "px" : "0"; + var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); + // A bug in IE8 can cause this value to be negative, so guard it. + this.vert.firstChild.style.height = + Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; + } else { + this.vert.style.display = ""; + this.vert.firstChild.style.height = "0"; + } + + if (needsH) { + this.horiz.style.display = "block"; + this.horiz.style.right = needsV ? sWidth + "px" : "0"; + this.horiz.style.left = measure.barLeft + "px"; + var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); + this.horiz.firstChild.style.width = + (measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; + } else { + this.horiz.style.display = ""; + this.horiz.firstChild.style.width = "0"; + } + + if (!this.checkedZeroWidth && measure.clientHeight > 0) { + if (sWidth == 0) this.zeroWidthHack(); + this.checkedZeroWidth = true; + } + + return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}; + }, + setScrollLeft: function(pos) { + if (this.horiz.scrollLeft != pos) this.horiz.scrollLeft = pos; + if (this.disableHoriz) this.enableZeroWidthBar(this.horiz, this.disableHoriz); + }, + setScrollTop: function(pos) { + if (this.vert.scrollTop != pos) this.vert.scrollTop = pos; + if (this.disableVert) this.enableZeroWidthBar(this.vert, this.disableVert); + }, + zeroWidthHack: function() { + var w = mac && !mac_geMountainLion ? "12px" : "18px"; + this.horiz.style.height = this.vert.style.width = w; + this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none"; + this.disableHoriz = new Delayed; + this.disableVert = new Delayed; + }, + enableZeroWidthBar: function(bar, delay) { + bar.style.pointerEvents = "auto"; + function maybeDisable() { + // To find out whether the scrollbar is still visible, we + // check whether the element under the pixel in the bottom + // left corner of the scrollbar box is the scrollbar box + // itself (when the bar is still visible) or its filler child + // (when the bar is hidden). If it is still visible, we keep + // it enabled, if it's hidden, we disable pointer events. + var box = bar.getBoundingClientRect(); + var elt = document.elementFromPoint(box.left + 1, box.bottom - 1); + if (elt != bar) bar.style.pointerEvents = "none"; + else delay.set(1000, maybeDisable); + } + delay.set(1000, maybeDisable); + }, + clear: function() { + var parent = this.horiz.parentNode; + parent.removeChild(this.horiz); + parent.removeChild(this.vert); + } + }, NativeScrollbars.prototype); + + function NullScrollbars() {} + + NullScrollbars.prototype = copyObj({ + update: function() { return {bottom: 0, right: 0}; }, + setScrollLeft: function() {}, + setScrollTop: function() {}, + clear: function() {} + }, NullScrollbars.prototype); + + CodeMirror.scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}; + + function initScrollbars(cm) { + if (cm.display.scrollbars) { + cm.display.scrollbars.clear(); + if (cm.display.scrollbars.addClass) + rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); + } + + cm.display.scrollbars = new CodeMirror.scrollbarModel[cm.options.scrollbarStyle](function(node) { + cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); + // Prevent clicks in the scrollbars from killing focus + on(node, "mousedown", function() { + if (cm.state.focused) setTimeout(function() { cm.display.input.focus(); }, 0); + }); + node.setAttribute("cm-not-content", "true"); + }, function(pos, axis) { + if (axis == "horizontal") setScrollLeft(cm, pos); + else setScrollTop(cm, pos); + }, cm); + if (cm.display.scrollbars.addClass) + addClass(cm.display.wrapper, cm.display.scrollbars.addClass); + } + function updateScrollbars(cm, measure) { if (!measure) measure = measureForScrollbars(cm); - var d = cm.display, sWidth = scrollbarWidth(d.measure); - var scrollHeight = measure.docHeight + scrollerCutOff; - var needsH = measure.scrollWidth > measure.clientWidth; - if (needsH && measure.scrollWidth <= measure.clientWidth + 1 && - sWidth > 0 && !measure.hScrollbarTakesSpace) - needsH = false; // (Issue #2562) - var needsV = scrollHeight > measure.clientHeight; - - if (needsV) { - d.scrollbarV.style.display = "block"; - d.scrollbarV.style.bottom = needsH ? sWidth + "px" : "0"; - // A bug in IE8 can cause this value to be negative, so guard it. - d.scrollbarV.firstChild.style.height = - Math.max(0, scrollHeight - measure.clientHeight + (measure.barHeight || d.scrollbarV.clientHeight)) + "px"; - } else { - d.scrollbarV.style.display = ""; - d.scrollbarV.firstChild.style.height = "0"; - } - if (needsH) { - d.scrollbarH.style.display = "block"; - d.scrollbarH.style.right = needsV ? sWidth + "px" : "0"; - d.scrollbarH.firstChild.style.width = - (measure.scrollWidth - measure.clientWidth + (measure.barWidth || d.scrollbarH.clientWidth)) + "px"; - } else { - d.scrollbarH.style.display = ""; - d.scrollbarH.firstChild.style.width = "0"; + var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; + updateScrollbarsInner(cm, measure); + for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { + if (startWidth != cm.display.barWidth && cm.options.lineWrapping) + updateHeightsInViewport(cm); + updateScrollbarsInner(cm, measureForScrollbars(cm)); + startWidth = cm.display.barWidth; startHeight = cm.display.barHeight; } - if (needsH && needsV) { + } + + // Re-synchronize the fake scrollbars with the actual size of the + // content. + function updateScrollbarsInner(cm, measure) { + var d = cm.display; + var sizes = d.scrollbars.update(measure); + + d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"; + d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"; + d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent" + + if (sizes.right && sizes.bottom) { d.scrollbarFiller.style.display = "block"; - d.scrollbarFiller.style.height = d.scrollbarFiller.style.width = sWidth + "px"; + d.scrollbarFiller.style.height = sizes.bottom + "px"; + d.scrollbarFiller.style.width = sizes.right + "px"; } else d.scrollbarFiller.style.display = ""; - if (needsH && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { + if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { d.gutterFiller.style.display = "block"; - d.gutterFiller.style.height = sWidth + "px"; - d.gutterFiller.style.width = d.gutters.offsetWidth + "px"; + d.gutterFiller.style.height = sizes.bottom + "px"; + d.gutterFiller.style.width = measure.gutterWidth + "px"; } else d.gutterFiller.style.display = ""; - - if (!cm.state.checkedOverlayScrollbar && measure.clientHeight > 0) { - if (sWidth === 0) { - var w = mac && !mac_geMountainLion ? "12px" : "18px"; - d.scrollbarV.style.minWidth = d.scrollbarH.style.minHeight = w; - var barMouseDown = function(e) { - if (e_target(e) != d.scrollbarV && e_target(e) != d.scrollbarH) - operation(cm, onMouseDown)(e); - }; - on(d.scrollbarV, "mousedown", barMouseDown); - on(d.scrollbarH, "mousedown", barMouseDown); - } - cm.state.checkedOverlayScrollbar = true; - } } // Compute the lines that are visible in a given viewport (defaults @@ -480,12 +571,13 @@ // forces those lines into the viewport (if possible). if (viewport && viewport.ensure) { var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; - if (ensureFrom < from) - return {from: ensureFrom, - to: lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight)}; - if (Math.min(ensureTo, doc.lastLine()) >= to) - return {from: lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight), - to: ensureTo}; + if (ensureFrom < from) { + from = ensureFrom; + to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); + } else if (Math.min(ensureTo, doc.lastLine()) >= to) { + from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); + to = ensureTo; + } } return {from: from, to: Math.max(to, from + 1)}; } @@ -521,7 +613,7 @@ "CodeMirror-linenumber CodeMirror-gutter-elt")); var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; display.lineGutter.style.width = ""; - display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding); + display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; display.lineNumWidth = display.lineNumInnerWidth + padding; display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; display.lineGutter.style.width = display.lineNumWidth + "px"; @@ -552,10 +644,31 @@ this.visible = visibleLines(display, cm.doc, viewport); this.editorIsHidden = !display.wrapper.offsetWidth; this.wrapperHeight = display.wrapper.clientHeight; - this.oldViewFrom = display.viewFrom; this.oldViewTo = display.viewTo; - this.oldScrollerWidth = display.scroller.clientWidth; + this.wrapperWidth = display.wrapper.clientWidth; + this.oldDisplayWidth = displayWidth(cm); this.force = force; this.dims = getDimensions(cm); + this.events = []; + } + + DisplayUpdate.prototype.signal = function(emitter, type) { + if (hasHandler(emitter, type)) + this.events.push(arguments); + }; + DisplayUpdate.prototype.finish = function() { + for (var i = 0; i < this.events.length; i++) + signal.apply(null, this.events[i]); + }; + + function maybeClipScrollbars(cm) { + var display = cm.display; + if (!display.scrollbarsClipped && display.scroller.offsetWidth) { + display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; + display.heightForcer.style.height = scrollGap(cm) + "px"; + display.sizer.style.marginBottom = -display.nativeBarWidth + "px"; + display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; + display.scrollbarsClipped = true; + } } // Does the actual updating of the line display. Bails out @@ -563,6 +676,7 @@ // false. function updateDisplayIfNeeded(cm, update) { var display = cm.display, doc = cm.doc; + if (update.editorIsHidden) { resetView(cm); return false; @@ -572,7 +686,7 @@ if (!update.force && update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && - countDirtyView(cm) == 0) + display.renderedView == display.view && countDirtyView(cm) == 0) return false; if (maybeUpdateLineNumberWidth(cm)) { @@ -592,7 +706,7 @@ } var different = from != display.viewFrom || to != display.viewTo || - display.lastSizeC != update.wrapperHeight; + display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; adjustView(cm, from, to); display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); @@ -600,7 +714,7 @@ cm.display.mover.style.top = display.viewOffset + "px"; var toUpdate = countDirtyView(cm); - if (!different && toUpdate == 0 && !update.force && + if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) return false; @@ -610,17 +724,20 @@ if (toUpdate > 4) display.lineDiv.style.display = "none"; patchDisplay(cm, display.updateLineNumbers, update.dims); if (toUpdate > 4) display.lineDiv.style.display = ""; + display.renderedView = display.view; // There might have been a widget with a focused element that got // hidden or updated, if so re-focus it. if (focused && activeElt() != focused && focused.offsetHeight) focused.focus(); // Prevent selection and cursors from interfering with the scroll - // width. + // width and height. removeChildren(display.cursorDiv); removeChildren(display.selectionDiv); + display.gutters.style.height = display.sizer.style.minHeight = 0; if (different) { - display.lastSizeC = update.wrapperHeight; + display.lastWrapHeight = update.wrapperHeight; + display.lastWrapWidth = update.wrapperWidth; startWorker(cm, 400); } @@ -630,16 +747,13 @@ } function postUpdateDisplay(cm, update) { - var force = update.force, viewport = update.viewport; + var viewport = update.viewport; + for (var first = true;; first = false) { - if (first && cm.options.lineWrapping && update.oldScrollerWidth != cm.display.scroller.clientWidth) { - force = true; - } else { - force = false; + if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { // Clip forced viewport to actual scrollable area. if (viewport && viewport.top != null) - viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - scrollerCutOff - - cm.display.scroller.clientHeight, viewport.top)}; + viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; // Updated line heights might result in the drawn area not // actually covering the viewport. Keep looping until it does. update.visible = visibleLines(cm.display, cm.doc, viewport); @@ -650,38 +764,34 @@ updateHeightsInViewport(cm); var barMeasure = measureForScrollbars(cm); updateSelection(cm); - setDocumentHeight(cm, barMeasure); updateScrollbars(cm, barMeasure); + setDocumentHeight(cm, barMeasure); } - signalLater(cm, "update", cm); - if (cm.display.viewFrom != update.oldViewFrom || cm.display.viewTo != update.oldViewTo) - signalLater(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); + update.signal(cm, "update", cm); + if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { + update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); + cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo; + } } function updateDisplaySimple(cm, viewport) { var update = new DisplayUpdate(cm, viewport); if (updateDisplayIfNeeded(cm, update)) { + updateHeightsInViewport(cm); postUpdateDisplay(cm, update); var barMeasure = measureForScrollbars(cm); updateSelection(cm); - setDocumentHeight(cm, barMeasure); updateScrollbars(cm, barMeasure); + setDocumentHeight(cm, barMeasure); + update.finish(); } } function setDocumentHeight(cm, measure) { - cm.display.sizer.style.minHeight = cm.display.heightForcer.style.top = measure.docHeight + "px"; - cm.display.gutters.style.height = Math.max(measure.docHeight, measure.clientHeight - scrollerCutOff) + "px"; - } - - function checkForWebkitWidthBug(cm, measure) { - // Work around Webkit bug where it sometimes reserves space for a - // non-existing phantom scrollbar in the scroller (Issue #2420) - if (cm.display.sizer.offsetWidth + cm.display.gutters.offsetWidth < cm.display.scroller.clientWidth - 1) { - cm.display.sizer.style.minHeight = cm.display.heightForcer.style.top = "0px"; - cm.display.gutters.style.height = measure.docHeight + "px"; - } + cm.display.sizer.style.minHeight = measure.docHeight + "px"; + cm.display.heightForcer.style.top = measure.docHeight + "px"; + cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px"; } // Read the actual heights of the rendered lines, and update their @@ -715,16 +825,17 @@ // given line. function updateWidgetHeight(line) { if (line.widgets) for (var i = 0; i < line.widgets.length; ++i) - line.widgets[i].height = line.widgets[i].node.offsetHeight; + line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight; } // Do a bulk-read of the DOM positions and sizes needed to draw the // view, so that we don't interleave reading and writing to the DOM. function getDimensions(cm) { var d = cm.display, left = {}, width = {}; + var gutterLeft = d.gutters.clientLeft; for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { - left[cm.options.gutters[i]] = n.offsetLeft; - width[cm.options.gutters[i]] = n.offsetWidth; + left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft; + width[cm.options.gutters[i]] = n.clientWidth; } return {fixedPos: compensateForHScroll(d), gutterTotalWidth: d.gutters.offsetWidth, @@ -757,7 +868,7 @@ for (var i = 0; i < view.length; i++) { var lineView = view[i]; if (lineView.hidden) { - } else if (!lineView.node) { // Not drawn yet + } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet var node = buildLineElement(cm, lineView, lineN, dims); container.insertBefore(node, cur); } else { // Already drawn @@ -788,7 +899,7 @@ if (type == "text") updateLineText(cm, lineView); else if (type == "gutter") updateLineGutter(cm, lineView, lineN, dims); else if (type == "class") updateLineClasses(lineView); - else if (type == "widget") updateLineWidgets(lineView, dims); + else if (type == "widget") updateLineWidgets(cm, lineView, dims); } lineView.changes = null; } @@ -863,13 +974,26 @@ lineView.node.removeChild(lineView.gutter); lineView.gutter = null; } + if (lineView.gutterBackground) { + lineView.node.removeChild(lineView.gutterBackground); + lineView.gutterBackground = null; + } + if (lineView.line.gutterClass) { + var wrap = ensureLineWrapped(lineView); + lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, + "left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + + "px; width: " + dims.gutterTotalWidth + "px"); + wrap.insertBefore(lineView.gutterBackground, lineView.text); + } var markers = lineView.line.gutterMarkers; if (cm.options.lineNumbers || markers) { var wrap = ensureLineWrapped(lineView); - var gutterWrap = lineView.gutter = - wrap.insertBefore(elt("div", null, "CodeMirror-gutter-wrapper", "position: absolute; left: " + - (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"), - lineView.text); + var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", "left: " + + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"); + cm.display.input.setUneditable(gutterWrap); + wrap.insertBefore(gutterWrap, lineView.text); + if (lineView.line.gutterClass) + gutterWrap.className += " " + lineView.line.gutterClass; if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) lineView.lineNumber = gutterWrap.appendChild( elt("div", lineNumberFor(cm.options, lineN), @@ -885,14 +1009,14 @@ } } - function updateLineWidgets(lineView, dims) { + function updateLineWidgets(cm, lineView, dims) { if (lineView.alignable) lineView.alignable = null; for (var node = lineView.node.firstChild, next; node; node = next) { var next = node.nextSibling; if (node.className == "CodeMirror-linewidget") lineView.node.removeChild(node); } - insertLineWidgets(lineView, dims); + insertLineWidgets(cm, lineView, dims); } // Build a line's DOM representation from scratch @@ -904,25 +1028,26 @@ updateLineClasses(lineView); updateLineGutter(cm, lineView, lineN, dims); - insertLineWidgets(lineView, dims); + insertLineWidgets(cm, lineView, dims); return lineView.node; } // A lineView may contain multiple logical lines (when merged by // collapsed spans). The widgets for all of them need to be drawn. - function insertLineWidgets(lineView, dims) { - insertLineWidgetsFor(lineView.line, lineView, dims, true); + function insertLineWidgets(cm, lineView, dims) { + insertLineWidgetsFor(cm, lineView.line, lineView, dims, true); if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) - insertLineWidgetsFor(lineView.rest[i], lineView, dims, false); + insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } - function insertLineWidgetsFor(line, lineView, dims, allowAbove) { + function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { if (!line.widgets) return; var wrap = ensureLineWrapped(lineView); for (var i = 0, ws = line.widgets; i < ws.length; ++i) { var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget"); - if (!widget.handleMouseEvents) node.ignoreEvents = true; + if (!widget.handleMouseEvents) node.setAttribute("cm-ignore-events", "true"); positionLineWidget(widget, node, lineView, dims); + cm.display.input.setUneditable(node); if (allowAbove && widget.above) wrap.insertBefore(node, lineView.gutter || lineView.text); else @@ -965,6 +1090,922 @@ function maxPos(a, b) { return cmp(a, b) < 0 ? b : a; } function minPos(a, b) { return cmp(a, b) < 0 ? a : b; } + // INPUT HANDLING + + function ensureFocus(cm) { + if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); } + } + + // This will be set to an array of strings when copying, so that, + // when pasting, we know what kind of selections the copied text + // was made out of. + var lastCopied = null; + + function applyTextInput(cm, inserted, deleted, sel, origin) { + var doc = cm.doc; + cm.display.shift = false; + if (!sel) sel = doc.sel; + + var paste = cm.state.pasteIncoming || origin == "paste"; + var textLines = doc.splitLines(inserted), multiPaste = null; + // When pasing N lines into N selections, insert one line per selection + if (paste && sel.ranges.length > 1) { + if (lastCopied && lastCopied.join("\n") == inserted) { + if (sel.ranges.length % lastCopied.length == 0) { + multiPaste = []; + for (var i = 0; i < lastCopied.length; i++) + multiPaste.push(doc.splitLines(lastCopied[i])); + } + } else if (textLines.length == sel.ranges.length) { + multiPaste = map(textLines, function(l) { return [l]; }); + } + } + + // Normal behavior is to insert the new text into every selection + for (var i = sel.ranges.length - 1; i >= 0; i--) { + var range = sel.ranges[i]; + var from = range.from(), to = range.to(); + if (range.empty()) { + if (deleted && deleted > 0) // Handle deletion + from = Pos(from.line, from.ch - deleted); + else if (cm.state.overwrite && !paste) // Handle overwrite + to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); + } + var updateInput = cm.curOp.updateInput; + var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines, + origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")}; + makeChange(cm.doc, changeEvent); + signalLater(cm, "inputRead", cm, changeEvent); + } + if (inserted && !paste) + triggerElectric(cm, inserted); + + ensureCursorVisible(cm); + cm.curOp.updateInput = updateInput; + cm.curOp.typing = true; + cm.state.pasteIncoming = cm.state.cutIncoming = false; + } + + function handlePaste(e, cm) { + var pasted = e.clipboardData && e.clipboardData.getData("text/plain"); + if (pasted) { + e.preventDefault(); + if (!cm.isReadOnly() && !cm.options.disableInput) + runInOp(cm, function() { applyTextInput(cm, pasted, 0, null, "paste"); }); + return true; + } + } + + function triggerElectric(cm, inserted) { + // When an 'electric' character is inserted, immediately trigger a reindent + if (!cm.options.electricChars || !cm.options.smartIndent) return; + var sel = cm.doc.sel; + + for (var i = sel.ranges.length - 1; i >= 0; i--) { + var range = sel.ranges[i]; + if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) continue; + var mode = cm.getModeAt(range.head); + var indented = false; + if (mode.electricChars) { + for (var j = 0; j < mode.electricChars.length; j++) + if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { + indented = indentLine(cm, range.head.line, "smart"); + break; + } + } else if (mode.electricInput) { + if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch))) + indented = indentLine(cm, range.head.line, "smart"); + } + if (indented) signalLater(cm, "electricInput", cm, range.head.line); + } + } + + function copyableRanges(cm) { + var text = [], ranges = []; + for (var i = 0; i < cm.doc.sel.ranges.length; i++) { + var line = cm.doc.sel.ranges[i].head.line; + var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; + ranges.push(lineRange); + text.push(cm.getRange(lineRange.anchor, lineRange.head)); + } + return {text: text, ranges: ranges}; + } + + function disableBrowserMagic(field) { + field.setAttribute("autocorrect", "off"); + field.setAttribute("autocapitalize", "off"); + field.setAttribute("spellcheck", "false"); + } + + // TEXTAREA INPUT STYLE + + function TextareaInput(cm) { + this.cm = cm; + // See input.poll and input.reset + this.prevInput = ""; + + // Flag that indicates whether we expect input to appear real soon + // now (after some event like 'keypress' or 'input') and are + // polling intensively. + this.pollingFast = false; + // Self-resetting timeout for the poller + this.polling = new Delayed(); + // Tracks when input.reset has punted to just putting a short + // string into the textarea instead of the full selection. + this.inaccurateSelection = false; + // Used to work around IE issue with selection being forgotten when focus moves away from textarea + this.hasSelection = false; + this.composing = null; + }; + + function hiddenTextarea() { + var te = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none"); + var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); + // The textarea is kept positioned near the cursor to prevent the + // fact that it'll be scrolled into view on input from scrolling + // our fake cursor out of view. On webkit, when wrap=off, paste is + // very slow. So make the area wide instead. + if (webkit) te.style.width = "1000px"; + else te.setAttribute("wrap", "off"); + // If border: 0; -- iOS fails to open keyboard (issue #1287) + if (ios) te.style.border = "1px solid black"; + disableBrowserMagic(te); + return div; + } + + TextareaInput.prototype = copyObj({ + init: function(display) { + var input = this, cm = this.cm; + + // Wraps and hides input textarea + var div = this.wrapper = hiddenTextarea(); + // The semihidden textarea that is focused when the editor is + // focused, and receives input. + var te = this.textarea = div.firstChild; + display.wrapper.insertBefore(div, display.wrapper.firstChild); + + // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) + if (ios) te.style.width = "0px"; + + on(te, "input", function() { + if (ie && ie_version >= 9 && input.hasSelection) input.hasSelection = null; + input.poll(); + }); + + on(te, "paste", function(e) { + if (signalDOMEvent(cm, e) || handlePaste(e, cm)) return + + cm.state.pasteIncoming = true; + input.fastPoll(); + }); + + function prepareCopyCut(e) { + if (signalDOMEvent(cm, e)) return + if (cm.somethingSelected()) { + lastCopied = cm.getSelections(); + if (input.inaccurateSelection) { + input.prevInput = ""; + input.inaccurateSelection = false; + te.value = lastCopied.join("\n"); + selectInput(te); + } + } else if (!cm.options.lineWiseCopyCut) { + return; + } else { + var ranges = copyableRanges(cm); + lastCopied = ranges.text; + if (e.type == "cut") { + cm.setSelections(ranges.ranges, null, sel_dontScroll); + } else { + input.prevInput = ""; + te.value = ranges.text.join("\n"); + selectInput(te); + } + } + if (e.type == "cut") cm.state.cutIncoming = true; + } + on(te, "cut", prepareCopyCut); + on(te, "copy", prepareCopyCut); + + on(display.scroller, "paste", function(e) { + if (eventInWidget(display, e) || signalDOMEvent(cm, e)) return; + cm.state.pasteIncoming = true; + input.focus(); + }); + + // Prevent normal selection in the editor (we handle our own) + on(display.lineSpace, "selectstart", function(e) { + if (!eventInWidget(display, e)) e_preventDefault(e); + }); + + on(te, "compositionstart", function() { + var start = cm.getCursor("from"); + if (input.composing) input.composing.range.clear() + input.composing = { + start: start, + range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) + }; + }); + on(te, "compositionend", function() { + if (input.composing) { + input.poll(); + input.composing.range.clear(); + input.composing = null; + } + }); + }, + + prepareSelection: function() { + // Redraw the selection and/or cursor + var cm = this.cm, display = cm.display, doc = cm.doc; + var result = prepareSelection(cm); + + // Move the hidden textarea near the cursor to prevent scrolling artifacts + if (cm.options.moveInputWithCursor) { + var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); + var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); + result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, + headPos.top + lineOff.top - wrapOff.top)); + result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, + headPos.left + lineOff.left - wrapOff.left)); + } + + return result; + }, + + showSelection: function(drawn) { + var cm = this.cm, display = cm.display; + removeChildrenAndAdd(display.cursorDiv, drawn.cursors); + removeChildrenAndAdd(display.selectionDiv, drawn.selection); + if (drawn.teTop != null) { + this.wrapper.style.top = drawn.teTop + "px"; + this.wrapper.style.left = drawn.teLeft + "px"; + } + }, + + // Reset the input to correspond to the selection (or to be empty, + // when not typing and nothing is selected) + reset: function(typing) { + if (this.contextMenuPending) return; + var minimal, selected, cm = this.cm, doc = cm.doc; + if (cm.somethingSelected()) { + this.prevInput = ""; + var range = doc.sel.primary(); + minimal = hasCopyEvent && + (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000); + var content = minimal ? "-" : selected || cm.getSelection(); + this.textarea.value = content; + if (cm.state.focused) selectInput(this.textarea); + if (ie && ie_version >= 9) this.hasSelection = content; + } else if (!typing) { + this.prevInput = this.textarea.value = ""; + if (ie && ie_version >= 9) this.hasSelection = null; + } + this.inaccurateSelection = minimal; + }, + + getField: function() { return this.textarea; }, + + supportsTouch: function() { return false; }, + + focus: function() { + if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) { + try { this.textarea.focus(); } + catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM + } + }, + + blur: function() { this.textarea.blur(); }, + + resetPosition: function() { + this.wrapper.style.top = this.wrapper.style.left = 0; + }, + + receivedFocus: function() { this.slowPoll(); }, + + // Poll for input changes, using the normal rate of polling. This + // runs as long as the editor is focused. + slowPoll: function() { + var input = this; + if (input.pollingFast) return; + input.polling.set(this.cm.options.pollInterval, function() { + input.poll(); + if (input.cm.state.focused) input.slowPoll(); + }); + }, + + // When an event has just come in that is likely to add or change + // something in the input textarea, we poll faster, to ensure that + // the change appears on the screen quickly. + fastPoll: function() { + var missed = false, input = this; + input.pollingFast = true; + function p() { + var changed = input.poll(); + if (!changed && !missed) {missed = true; input.polling.set(60, p);} + else {input.pollingFast = false; input.slowPoll();} + } + input.polling.set(20, p); + }, + + // Read input from the textarea, and update the document to match. + // When something is selected, it is present in the textarea, and + // selected (unless it is huge, in which case a placeholder is + // used). When nothing is selected, the cursor sits after previously + // seen text (can be empty), which is stored in prevInput (we must + // not reset the textarea when typing, because that breaks IME). + poll: function() { + var cm = this.cm, input = this.textarea, prevInput = this.prevInput; + // Since this is called a *lot*, try to bail out as cheaply as + // possible when it is clear that nothing happened. hasSelection + // will be the case when there is a lot of text in the textarea, + // in which case reading its value would be expensive. + if (this.contextMenuPending || !cm.state.focused || + (hasSelection(input) && !prevInput && !this.composing) || + cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq) + return false; + + var text = input.value; + // If nothing changed, bail. + if (text == prevInput && !cm.somethingSelected()) return false; + // Work around nonsensical selection resetting in IE9/10, and + // inexplicable appearance of private area unicode characters on + // some key combos in Mac (#2689). + if (ie && ie_version >= 9 && this.hasSelection === text || + mac && /[\uf700-\uf7ff]/.test(text)) { + cm.display.input.reset(); + return false; + } + + if (cm.doc.sel == cm.display.selForContextMenu) { + var first = text.charCodeAt(0); + if (first == 0x200b && !prevInput) prevInput = "\u200b"; + if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo"); } + } + // Find the part of the input that is actually new + var same = 0, l = Math.min(prevInput.length, text.length); + while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same; + + var self = this; + runInOp(cm, function() { + applyTextInput(cm, text.slice(same), prevInput.length - same, + null, self.composing ? "*compose" : null); + + // Don't leave long text in the textarea, since it makes further polling slow + if (text.length > 1000 || text.indexOf("\n") > -1) input.value = self.prevInput = ""; + else self.prevInput = text; + + if (self.composing) { + self.composing.range.clear(); + self.composing.range = cm.markText(self.composing.start, cm.getCursor("to"), + {className: "CodeMirror-composing"}); + } + }); + return true; + }, + + ensurePolled: function() { + if (this.pollingFast && this.poll()) this.pollingFast = false; + }, + + onKeyPress: function() { + if (ie && ie_version >= 9) this.hasSelection = null; + this.fastPoll(); + }, + + onContextMenu: function(e) { + var input = this, cm = input.cm, display = cm.display, te = input.textarea; + var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; + if (!pos || presto) return; // Opera is difficult. + + // Reset the current text selection only if the click is done outside of the selection + // and 'resetSelectionOnContextMenu' option is true. + var reset = cm.options.resetSelectionOnContextMenu; + if (reset && cm.doc.sel.contains(pos) == -1) + operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); + + var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText; + input.wrapper.style.cssText = "position: absolute" + var wrapperBox = input.wrapper.getBoundingClientRect() + te.style.cssText = "position: absolute; width: 30px; height: 30px; top: " + (e.clientY - wrapperBox.top - 5) + + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px; z-index: 1000; background: " + + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + + "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; + if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712) + display.input.focus(); + if (webkit) window.scrollTo(null, oldScrollY); + display.input.reset(); + // Adds "Select all" to context menu in FF + if (!cm.somethingSelected()) te.value = input.prevInput = " "; + input.contextMenuPending = true; + display.selForContextMenu = cm.doc.sel; + clearTimeout(display.detectingSelectAll); + + // Select-all will be greyed out if there's nothing to select, so + // this adds a zero-width space so that we can later check whether + // it got selected. + function prepareSelectAllHack() { + if (te.selectionStart != null) { + var selected = cm.somethingSelected(); + var extval = "\u200b" + (selected ? te.value : ""); + te.value = "\u21da"; // Used to catch context-menu undo + te.value = extval; + input.prevInput = selected ? "" : "\u200b"; + te.selectionStart = 1; te.selectionEnd = extval.length; + // Re-set this, in case some other handler touched the + // selection in the meantime. + display.selForContextMenu = cm.doc.sel; + } + } + function rehide() { + input.contextMenuPending = false; + input.wrapper.style.cssText = oldWrapperCSS + te.style.cssText = oldCSS; + if (ie && ie_version < 9) display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); + + // Try to detect the user choosing select-all + if (te.selectionStart != null) { + if (!ie || (ie && ie_version < 9)) prepareSelectAllHack(); + var i = 0, poll = function() { + if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && + te.selectionEnd > 0 && input.prevInput == "\u200b") + operation(cm, commands.selectAll)(cm); + else if (i++ < 10) display.detectingSelectAll = setTimeout(poll, 500); + else display.input.reset(); + }; + display.detectingSelectAll = setTimeout(poll, 200); + } + } + + if (ie && ie_version >= 9) prepareSelectAllHack(); + if (captureRightClick) { + e_stop(e); + var mouseup = function() { + off(window, "mouseup", mouseup); + setTimeout(rehide, 20); + }; + on(window, "mouseup", mouseup); + } else { + setTimeout(rehide, 50); + } + }, + + readOnlyChanged: function(val) { + if (!val) this.reset(); + }, + + setUneditable: nothing, + + needsContentAttribute: false + }, TextareaInput.prototype); + + // CONTENTEDITABLE INPUT STYLE + + function ContentEditableInput(cm) { + this.cm = cm; + this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null; + this.polling = new Delayed(); + this.gracePeriod = false; + } + + ContentEditableInput.prototype = copyObj({ + init: function(display) { + var input = this, cm = input.cm; + var div = input.div = display.lineDiv; + disableBrowserMagic(div); + + on(div, "paste", function(e) { + if (!signalDOMEvent(cm, e)) handlePaste(e, cm); + }) + + on(div, "compositionstart", function(e) { + var data = e.data; + input.composing = {sel: cm.doc.sel, data: data, startData: data}; + if (!data) return; + var prim = cm.doc.sel.primary(); + var line = cm.getLine(prim.head.line); + var found = line.indexOf(data, Math.max(0, prim.head.ch - data.length)); + if (found > -1 && found <= prim.head.ch) + input.composing.sel = simpleSelection(Pos(prim.head.line, found), + Pos(prim.head.line, found + data.length)); + }); + on(div, "compositionupdate", function(e) { + input.composing.data = e.data; + }); + on(div, "compositionend", function(e) { + var ours = input.composing; + if (!ours) return; + if (e.data != ours.startData && !/\u200b/.test(e.data)) + ours.data = e.data; + // Need a small delay to prevent other code (input event, + // selection polling) from doing damage when fired right after + // compositionend. + setTimeout(function() { + if (!ours.handled) + input.applyComposition(ours); + if (input.composing == ours) + input.composing = null; + }, 50); + }); + + on(div, "touchstart", function() { + input.forceCompositionEnd(); + }); + + on(div, "input", function() { + if (input.composing) return; + if (cm.isReadOnly() || !input.pollContent()) + runInOp(input.cm, function() {regChange(cm);}); + }); + + function onCopyCut(e) { + if (signalDOMEvent(cm, e)) return + if (cm.somethingSelected()) { + lastCopied = cm.getSelections(); + if (e.type == "cut") cm.replaceSelection("", null, "cut"); + } else if (!cm.options.lineWiseCopyCut) { + return; + } else { + var ranges = copyableRanges(cm); + lastCopied = ranges.text; + if (e.type == "cut") { + cm.operation(function() { + cm.setSelections(ranges.ranges, 0, sel_dontScroll); + cm.replaceSelection("", null, "cut"); + }); + } + } + // iOS exposes the clipboard API, but seems to discard content inserted into it + if (e.clipboardData && !ios) { + e.preventDefault(); + e.clipboardData.clearData(); + e.clipboardData.setData("text/plain", lastCopied.join("\n")); + } else { + // Old-fashioned briefly-focus-a-textarea hack + var kludge = hiddenTextarea(), te = kludge.firstChild; + cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); + te.value = lastCopied.join("\n"); + var hadFocus = document.activeElement; + selectInput(te); + setTimeout(function() { + cm.display.lineSpace.removeChild(kludge); + hadFocus.focus(); + }, 50); + } + } + on(div, "copy", onCopyCut); + on(div, "cut", onCopyCut); + }, + + prepareSelection: function() { + var result = prepareSelection(this.cm, false); + result.focus = this.cm.state.focused; + return result; + }, + + showSelection: function(info, takeFocus) { + if (!info || !this.cm.display.view.length) return; + if (info.focus || takeFocus) this.showPrimarySelection(); + this.showMultipleSelections(info); + }, + + showPrimarySelection: function() { + var sel = window.getSelection(), prim = this.cm.doc.sel.primary(); + var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset); + var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset); + if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && + cmp(minPos(curAnchor, curFocus), prim.from()) == 0 && + cmp(maxPos(curAnchor, curFocus), prim.to()) == 0) + return; + + var start = posToDOM(this.cm, prim.from()); + var end = posToDOM(this.cm, prim.to()); + if (!start && !end) return; + + var view = this.cm.display.view; + var old = sel.rangeCount && sel.getRangeAt(0); + if (!start) { + start = {node: view[0].measure.map[2], offset: 0}; + } else if (!end) { // FIXME dangerously hacky + var measure = view[view.length - 1].measure; + var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map; + end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]}; + } + + try { var rng = range(start.node, start.offset, end.offset, end.node); } + catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible + if (rng) { + if (!gecko && this.cm.state.focused) { + sel.collapse(start.node, start.offset); + if (!rng.collapsed) sel.addRange(rng); + } else { + sel.removeAllRanges(); + sel.addRange(rng); + } + if (old && sel.anchorNode == null) sel.addRange(old); + else if (gecko) this.startGracePeriod(); + } + this.rememberSelection(); + }, + + startGracePeriod: function() { + var input = this; + clearTimeout(this.gracePeriod); + this.gracePeriod = setTimeout(function() { + input.gracePeriod = false; + if (input.selectionChanged()) + input.cm.operation(function() { input.cm.curOp.selectionChanged = true; }); + }, 20); + }, + + showMultipleSelections: function(info) { + removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); + removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); + }, + + rememberSelection: function() { + var sel = window.getSelection(); + this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset; + this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset; + }, + + selectionInEditor: function() { + var sel = window.getSelection(); + if (!sel.rangeCount) return false; + var node = sel.getRangeAt(0).commonAncestorContainer; + return contains(this.div, node); + }, + + focus: function() { + if (this.cm.options.readOnly != "nocursor") this.div.focus(); + }, + blur: function() { this.div.blur(); }, + getField: function() { return this.div; }, + + supportsTouch: function() { return true; }, + + receivedFocus: function() { + var input = this; + if (this.selectionInEditor()) + this.pollSelection(); + else + runInOp(this.cm, function() { input.cm.curOp.selectionChanged = true; }); + + function poll() { + if (input.cm.state.focused) { + input.pollSelection(); + input.polling.set(input.cm.options.pollInterval, poll); + } + } + this.polling.set(this.cm.options.pollInterval, poll); + }, + + selectionChanged: function() { + var sel = window.getSelection(); + return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || + sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset; + }, + + pollSelection: function() { + if (!this.composing && !this.gracePeriod && this.selectionChanged()) { + var sel = window.getSelection(), cm = this.cm; + this.rememberSelection(); + var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); + var head = domToPos(cm, sel.focusNode, sel.focusOffset); + if (anchor && head) runInOp(cm, function() { + setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); + if (anchor.bad || head.bad) cm.curOp.selectionChanged = true; + }); + } + }, + + pollContent: function() { + var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); + var from = sel.from(), to = sel.to(); + if (from.line < display.viewFrom || to.line > display.viewTo - 1) return false; + + var fromIndex; + if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { + var fromLine = lineNo(display.view[0].line); + var fromNode = display.view[0].node; + } else { + var fromLine = lineNo(display.view[fromIndex].line); + var fromNode = display.view[fromIndex - 1].node.nextSibling; + } + var toIndex = findViewIndex(cm, to.line); + if (toIndex == display.view.length - 1) { + var toLine = display.viewTo - 1; + var toNode = display.lineDiv.lastChild; + } else { + var toLine = lineNo(display.view[toIndex + 1].line) - 1; + var toNode = display.view[toIndex + 1].node.previousSibling; + } + + var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); + var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)); + while (newText.length > 1 && oldText.length > 1) { + if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; } + else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; } + else break; + } + + var cutFront = 0, cutEnd = 0; + var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length); + while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) + ++cutFront; + var newBot = lst(newText), oldBot = lst(oldText); + var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), + oldBot.length - (oldText.length == 1 ? cutFront : 0)); + while (cutEnd < maxCutEnd && + newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) + ++cutEnd; + + newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd); + newText[0] = newText[0].slice(cutFront); + + var chFrom = Pos(fromLine, cutFront); + var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0); + if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { + replaceRange(cm.doc, newText, chFrom, chTo, "+input"); + return true; + } + }, + + ensurePolled: function() { + this.forceCompositionEnd(); + }, + reset: function() { + this.forceCompositionEnd(); + }, + forceCompositionEnd: function() { + if (!this.composing || this.composing.handled) return; + this.applyComposition(this.composing); + this.composing.handled = true; + this.div.blur(); + this.div.focus(); + }, + applyComposition: function(composing) { + if (this.cm.isReadOnly()) + operation(this.cm, regChange)(this.cm) + else if (composing.data && composing.data != composing.startData) + operation(this.cm, applyTextInput)(this.cm, composing.data, 0, composing.sel); + }, + + setUneditable: function(node) { + node.contentEditable = "false" + }, + + onKeyPress: function(e) { + e.preventDefault(); + if (!this.cm.isReadOnly()) + operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); + }, + + readOnlyChanged: function(val) { + this.div.contentEditable = String(val != "nocursor") + }, + + onContextMenu: nothing, + resetPosition: nothing, + + needsContentAttribute: true + }, ContentEditableInput.prototype); + + function posToDOM(cm, pos) { + var view = findViewForLine(cm, pos.line); + if (!view || view.hidden) return null; + var line = getLine(cm.doc, pos.line); + var info = mapFromLineView(view, line, pos.line); + + var order = getOrder(line), side = "left"; + if (order) { + var partPos = getBidiPartAt(order, pos.ch); + side = partPos % 2 ? "right" : "left"; + } + var result = nodeAndOffsetInLineMap(info.map, pos.ch, side); + result.offset = result.collapse == "right" ? result.end : result.start; + return result; + } + + function badPos(pos, bad) { if (bad) pos.bad = true; return pos; } + + function domToPos(cm, node, offset) { + var lineNode; + if (node == cm.display.lineDiv) { + lineNode = cm.display.lineDiv.childNodes[offset]; + if (!lineNode) return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true); + node = null; offset = 0; + } else { + for (lineNode = node;; lineNode = lineNode.parentNode) { + if (!lineNode || lineNode == cm.display.lineDiv) return null; + if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) break; + } + } + for (var i = 0; i < cm.display.view.length; i++) { + var lineView = cm.display.view[i]; + if (lineView.node == lineNode) + return locateNodeInLineView(lineView, node, offset); + } + } + + function locateNodeInLineView(lineView, node, offset) { + var wrapper = lineView.text.firstChild, bad = false; + if (!node || !contains(wrapper, node)) return badPos(Pos(lineNo(lineView.line), 0), true); + if (node == wrapper) { + bad = true; + node = wrapper.childNodes[offset]; + offset = 0; + if (!node) { + var line = lineView.rest ? lst(lineView.rest) : lineView.line; + return badPos(Pos(lineNo(line), line.text.length), bad); + } + } + + var textNode = node.nodeType == 3 ? node : null, topNode = node; + if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { + textNode = node.firstChild; + if (offset) offset = textNode.nodeValue.length; + } + while (topNode.parentNode != wrapper) topNode = topNode.parentNode; + var measure = lineView.measure, maps = measure.maps; + + function find(textNode, topNode, offset) { + for (var i = -1; i < (maps ? maps.length : 0); i++) { + var map = i < 0 ? measure.map : maps[i]; + for (var j = 0; j < map.length; j += 3) { + var curNode = map[j + 2]; + if (curNode == textNode || curNode == topNode) { + var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]); + var ch = map[j] + offset; + if (offset < 0 || curNode != textNode) ch = map[j + (offset ? 1 : 0)]; + return Pos(line, ch); + } + } + } + } + var found = find(textNode, topNode, offset); + if (found) return badPos(found, bad); + + // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems + for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { + found = find(after, after.firstChild, 0); + if (found) + return badPos(Pos(found.line, found.ch - dist), bad); + else + dist += after.textContent.length; + } + for (var before = topNode.previousSibling, dist = offset; before; before = before.previousSibling) { + found = find(before, before.firstChild, -1); + if (found) + return badPos(Pos(found.line, found.ch + dist), bad); + else + dist += after.textContent.length; + } + } + + function domTextBetween(cm, from, to, fromLine, toLine) { + var text = "", closing = false, lineSep = cm.doc.lineSeparator(); + function recognizeMarker(id) { return function(marker) { return marker.id == id; }; } + function walk(node) { + if (node.nodeType == 1) { + var cmText = node.getAttribute("cm-text"); + if (cmText != null) { + if (cmText == "") cmText = node.textContent.replace(/\u200b/g, ""); + text += cmText; + return; + } + var markerID = node.getAttribute("cm-marker"), range; + if (markerID) { + var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)); + if (found.length && (range = found[0].find())) + text += getBetween(cm.doc, range.from, range.to).join(lineSep); + return; + } + if (node.getAttribute("contenteditable") == "false") return; + for (var i = 0; i < node.childNodes.length; i++) + walk(node.childNodes[i]); + if (/^(pre|div|p)$/i.test(node.nodeName)) + closing = true; + } else if (node.nodeType == 3) { + var val = node.nodeValue; + if (!val) return; + if (closing) { + text += lineSep; + closing = false; + } + text += val; + } + } + for (;;) { + walk(from); + if (from == to) break; + from = from.nextSibling; + } + return text; + } + + CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}; + // SELECTION / CURSOR // Selection objects are immutable. A new one is created every time @@ -1121,7 +2162,7 @@ // Give beforeSelectionChange handlers a change to influence a // selection update. - function filterSelectionChange(doc, sel) { + function filterSelectionChange(doc, sel, options) { var obj = { ranges: sel.ranges, update: function(ranges) { @@ -1129,7 +2170,8 @@ for (var i = 0; i < ranges.length; i++) this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), clipPos(doc, ranges[i].head)); - } + }, + origin: options && options.origin }; signal(doc, "beforeSelectionChange", doc, obj); if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj); @@ -1155,7 +2197,7 @@ function setSelectionNoUndo(doc, sel, options) { if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) - sel = filterSelectionChange(doc, sel); + sel = filterSelectionChange(doc, sel, options); var bias = options && options.bias || (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1); @@ -1189,8 +2231,9 @@ var out; for (var i = 0; i < sel.ranges.length; i++) { var range = sel.ranges[i]; - var newAnchor = skipAtomic(doc, range.anchor, bias, mayClear); - var newHead = skipAtomic(doc, range.head, bias, mayClear); + var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i]; + var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear); + var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear); if (out || newAnchor != range.anchor || newHead != range.head) { if (!out) out = sel.ranges.slice(0, i); out[i] = new Range(newAnchor, newHead); @@ -1199,103 +2242,91 @@ return out ? normalizeSelection(out, sel.primIndex) : sel; } - // Ensure a given position is not inside an atomic range. - function skipAtomic(doc, pos, bias, mayClear) { - var flipped = false, curPos = pos; - var dir = bias || 1; - doc.cantEdit = false; - search: for (;;) { - var line = getLine(doc, curPos.line); - if (line.markedSpans) { - for (var i = 0; i < line.markedSpans.length; ++i) { - var sp = line.markedSpans[i], m = sp.marker; - if ((sp.from == null || (m.inclusiveLeft ? sp.from <= curPos.ch : sp.from < curPos.ch)) && - (sp.to == null || (m.inclusiveRight ? sp.to >= curPos.ch : sp.to > curPos.ch))) { - if (mayClear) { - signal(m, "beforeCursorEnter"); - if (m.explicitlyCleared) { - if (!line.markedSpans) break; - else {--i; continue;} - } - } - if (!m.atomic) continue; - var newPos = m.find(dir < 0 ? -1 : 1); - if (cmp(newPos, curPos) == 0) { - newPos.ch += dir; - if (newPos.ch < 0) { - if (newPos.line > doc.first) newPos = clipPos(doc, Pos(newPos.line - 1)); - else newPos = null; - } else if (newPos.ch > line.text.length) { - if (newPos.line < doc.first + doc.size - 1) newPos = Pos(newPos.line + 1, 0); - else newPos = null; - } - if (!newPos) { - if (flipped) { - // Driven in a corner -- no valid cursor position found at all - // -- try again *with* clearing, if we didn't already - if (!mayClear) return skipAtomic(doc, pos, bias, true); - // Otherwise, turn off editing until further notice, and return the start of the doc - doc.cantEdit = true; - return Pos(doc.first, 0); - } - flipped = true; newPos = pos; dir = -dir; - } - } - curPos = newPos; - continue search; + function skipAtomicInner(doc, pos, oldPos, dir, mayClear) { + var line = getLine(doc, pos.line); + if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) { + var sp = line.markedSpans[i], m = sp.marker; + if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && + (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) { + if (mayClear) { + signal(m, "beforeCursorEnter"); + if (m.explicitlyCleared) { + if (!line.markedSpans) break; + else {--i; continue;} } } + if (!m.atomic) continue; + + if (oldPos) { + var near = m.find(dir < 0 ? 1 : -1), diff; + if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft) + near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); + if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0)) + return skipAtomicInner(doc, near, pos, dir, mayClear); + } + + var far = m.find(dir < 0 ? -1 : 1); + if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight) + far = movePos(doc, far, dir, far.line == pos.line ? line : null); + return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null; } - return curPos; + } + return pos; + } + + // Ensure a given position is not inside an atomic range. + function skipAtomic(doc, pos, oldPos, bias, mayClear) { + var dir = bias || 1; + var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || + (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) || + skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || + (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true)); + if (!found) { + doc.cantEdit = true; + return Pos(doc.first, 0); + } + return found; + } + + function movePos(doc, pos, dir, line) { + if (dir < 0 && pos.ch == 0) { + if (pos.line > doc.first) return clipPos(doc, Pos(pos.line - 1)); + else return null; + } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) { + if (pos.line < doc.first + doc.size - 1) return Pos(pos.line + 1, 0); + else return null; + } else { + return new Pos(pos.line, pos.ch + dir); } } // SELECTION DRAWING - // Redraw the selection and/or cursor - function drawSelection(cm) { - var display = cm.display, doc = cm.doc, result = {}; + function updateSelection(cm) { + cm.display.input.showSelection(cm.display.input.prepareSelection()); + } + + function prepareSelection(cm, primary) { + var doc = cm.doc, result = {}; var curFragment = result.cursors = document.createDocumentFragment(); var selFragment = result.selection = document.createDocumentFragment(); for (var i = 0; i < doc.sel.ranges.length; i++) { + if (primary === false && i == doc.sel.primIndex) continue; var range = doc.sel.ranges[i]; + if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) continue; var collapsed = range.empty(); if (collapsed || cm.options.showCursorWhenSelecting) - drawSelectionCursor(cm, range, curFragment); + drawSelectionCursor(cm, range.head, curFragment); if (!collapsed) drawSelectionRange(cm, range, selFragment); } - - // Move the hidden textarea near the cursor to prevent scrolling artifacts - if (cm.options.moveInputWithCursor) { - var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); - var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); - result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, - headPos.top + lineOff.top - wrapOff.top)); - result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, - headPos.left + lineOff.left - wrapOff.left)); - } - return result; } - function showSelection(cm, drawn) { - removeChildrenAndAdd(cm.display.cursorDiv, drawn.cursors); - removeChildrenAndAdd(cm.display.selectionDiv, drawn.selection); - if (drawn.teTop != null) { - cm.display.inputDiv.style.top = drawn.teTop + "px"; - cm.display.inputDiv.style.left = drawn.teLeft + "px"; - } - } - - function updateSelection(cm) { - showSelection(cm, drawSelection(cm)); - } - // Draws a cursor for the given range - function drawSelectionCursor(cm, range, output) { - var pos = cursorCoords(cm, range.head, "div", null, null, !cm.options.singleCursorHeightPerLine); + function drawSelectionCursor(cm, head, output) { + var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine); var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")); cursor.style.left = pos.left + "px"; @@ -1316,7 +2347,8 @@ function drawSelectionRange(cm, range, output) { var display = cm.display, doc = cm.doc; var fragment = document.createDocumentFragment(); - var padding = paddingH(cm.display), leftSide = padding.left, rightSide = display.lineSpace.offsetWidth - padding.right; + var padding = paddingH(cm.display), leftSide = padding.left; + var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; function add(left, top, width, bottom) { if (top < 0) top = 0; @@ -1418,8 +2450,8 @@ doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function(line) { if (doc.frontier >= cm.display.viewFrom) { // Visible - var oldStyles = line.styles; - var highlighted = highlightLine(cm, line, state, true); + var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength; + var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true); line.styles = highlighted.styles; var oldCls = line.styleClasses, newCls = highlighted.classes; if (newCls) line.styleClasses = newCls; @@ -1428,9 +2460,10 @@ oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i]; if (ischange) changedLines.push(doc.frontier); - line.stateAfter = copyState(doc.mode, state); + line.stateAfter = tooLong ? state : copyState(doc.mode, state); } else { - processLine(cm, line.text, state); + if (line.text.length <= cm.options.maxHighlightLength) + processLine(cm, line.text, state); line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null; } ++doc.frontier; @@ -1495,13 +2528,21 @@ return data; } + function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth; } + function displayWidth(cm) { + return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth; + } + function displayHeight(cm) { + return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight; + } + // Ensure the lineView.wrapping.heights array is populated. This is // an array of bottom offsets for the lines that make up a drawn // line. When lineWrapping is on, there might be more than one // height. function ensureLineHeights(cm, lineView, rect) { var wrapping = cm.options.lineWrapping; - var curWidth = wrapping && cm.display.scroller.clientWidth; + var curWidth = wrapping && displayWidth(cm); if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { var heights = lineView.measure.heights = []; if (wrapping) { @@ -1567,10 +2608,12 @@ function prepareMeasureForLine(cm, line) { var lineN = lineNo(line); var view = findViewForLine(cm, lineN); - if (view && !view.text) + if (view && !view.text) { view = null; - else if (view && view.changes) + } else if (view && view.changes) { updateLineForChanges(cm, view, lineN, getDimensions(cm)); + cm.curOp.forceUpdate = true; + } if (!view) view = updateExternalMeasurement(cm, line); @@ -1606,9 +2649,7 @@ var nullRect = {left: 0, right: 0, top: 0, bottom: 0}; - function measureCharInner(cm, prepared, ch, bias) { - var map = prepared.map; - + function nodeAndOffsetInLineMap(map, ch, bias) { var node, start, end, collapse; // First, search the line map for the text node corresponding to, // or closest to, the target character. @@ -1642,22 +2683,35 @@ break; } } + return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}; + } + + function measureCharInner(cm, prepared, ch, bias) { + var place = nodeAndOffsetInLineMap(prepared.map, ch, bias); + var node = place.node, start = place.start, end = place.end, collapse = place.collapse; var rect; if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. - while (start && isExtendingChar(prepared.line.text.charAt(mStart + start))) --start; - while (mStart + end < mEnd && isExtendingChar(prepared.line.text.charAt(mStart + end))) ++end; - if (ie && ie_version < 9 && start == 0 && end == mEnd - mStart) { - rect = node.parentNode.getBoundingClientRect(); - } else if (ie && cm.options.lineWrapping) { - var rects = range(node, start, end).getClientRects(); - if (rects.length) - rect = rects[bias == "right" ? rects.length - 1 : 0]; - else - rect = nullRect; - } else { - rect = range(node, start, end).getBoundingClientRect() || nullRect; + for (var i = 0; i < 4; i++) { // Retry a maximum of 4 times when nonsense rectangles are returned + while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) --start; + while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) ++end; + if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) { + rect = node.parentNode.getBoundingClientRect(); + } else if (ie && cm.options.lineWrapping) { + var rects = range(node, start, end).getClientRects(); + if (rects.length) + rect = rects[bias == "right" ? rects.length - 1 : 0]; + else + rect = nullRect; + } else { + rect = range(node, start, end).getBoundingClientRect() || nullRect; + } + if (rect.left || rect.right || start == 0) break; + end = start; + start = start - 1; + collapse = "right"; } + if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect); } else { // If it is a widget, simply get the box for the whole widget. if (start > 0) collapse = bias = "right"; var rects; @@ -1674,8 +2728,6 @@ rect = nullRect; } - if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect); - var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top; var mid = (rtop + rbot) / 2; var heights = prepared.view.measure.heights; @@ -1731,7 +2783,8 @@ // Converts a {top, bottom, left, right} box from line-local // coordinates into another coordinate system. Context may be one of - // "line", "div" (display.lineDiv), "local"/null (editor), or "page". + // "line", "div" (display.lineDiv), "local"/null (editor), "window", + // or "page". function intoCoordSystem(cm, lineObj, rect, context) { if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) { var size = widgetHeight(lineObj.widgets[i]); @@ -1954,6 +3007,7 @@ updateMaxLine: false, // Set when the widest line needs to be determined anew scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet scrollToPos: null, // Used to scroll to a specific position + focus: false, id: ++nextOpId // Unique ID }; if (operationGroup) { @@ -1972,12 +3026,12 @@ var callbacks = group.delayedCallbacks, i = 0; do { for (; i < callbacks.length; i++) - callbacks[i](); + callbacks[i].call(null); for (var j = 0; j < group.ops.length; j++) { var op = group.ops[j]; if (op.cursorActivityHandlers) while (op.cursorActivityCalled < op.cursorActivityHandlers.length) - op.cursorActivityHandlers[op.cursorActivityCalled++](op.cm); + op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } } while (i < callbacks.length); } @@ -2014,6 +3068,7 @@ function endOperation_R1(op) { var cm = op.cm, display = cm.display; + maybeClipScrollbars(cm); if (op.updateMaxLine) findMaxLine(cm); op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || @@ -2039,14 +3094,14 @@ // updateDisplay_W2 will use these properties to do the actual resizing if (display.maxLineChanged && !cm.options.lineWrapping) { op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3; - op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo + - scrollerCutOff - display.scroller.clientWidth); - var wDiff = op.adjustWidthTo - parseInt(display.sizer.style.minWidth || "0"); - op.barMeasure.scrollWidth += wDiff; + cm.display.sizerWidth = op.adjustWidthTo; + op.barMeasure.scrollWidth = + Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth); + op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)); } if (op.updatedDisplay || op.selectionChanged) - op.newSelectionNodes = drawSelection(cm); + op.preparedSelection = display.input.prepareSelection(op.focus); } function endOperation_W2(op) { @@ -2059,17 +3114,19 @@ cm.display.maxLineChanged = false; } - if (op.newSelectionNodes) - showSelection(cm, op.newSelectionNodes); - if (op.updatedDisplay) - setDocumentHeight(cm, op.barMeasure); + var takeFocus = op.focus && op.focus == activeElt() && (!document.hasFocus || document.hasFocus()) + if (op.preparedSelection) + cm.display.input.showSelection(op.preparedSelection, takeFocus); if (op.updatedDisplay || op.startHeight != cm.doc.height) updateScrollbars(cm, op.barMeasure); + if (op.updatedDisplay) + setDocumentHeight(cm, op.barMeasure); if (op.selectionChanged) restartBlink(cm); if (cm.state.focused && op.updateInput) - resetInput(cm, op.typing); + cm.display.input.reset(op.typing); + if (takeFocus) ensureFocus(op.cm); } function endOperation_finish(op) { @@ -2082,13 +3139,15 @@ display.wheelStartX = display.wheelStartY = null; // Propagate the scroll position to the actual DOM scroller - if (op.scrollTop != null && display.scroller.scrollTop != op.scrollTop) { - var top = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop)); - display.scroller.scrollTop = display.scrollbarV.scrollTop = doc.scrollTop = top; - } - if (op.scrollLeft != null && display.scroller.scrollLeft != op.scrollLeft) { - var left = Math.max(0, Math.min(display.scroller.scrollWidth - display.scroller.clientWidth, op.scrollLeft)); - display.scroller.scrollLeft = display.scrollbarH.scrollLeft = doc.scrollLeft = left; + if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) { + doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop)); + display.scrollbars.setScrollTop(doc.scrollTop); + display.scroller.scrollTop = doc.scrollTop; + } + if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) { + doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - display.scroller.clientWidth, op.scrollLeft)); + display.scrollbars.setScrollLeft(doc.scrollLeft); + display.scroller.scrollLeft = doc.scrollLeft; alignHorizontally(cm); } // If we need to scroll a specific position into view, do so. @@ -2109,19 +3168,11 @@ if (display.wrapper.offsetHeight) doc.scrollTop = cm.display.scroller.scrollTop; - // Apply workaround for two webkit bugs - if (op.updatedDisplay && webkit) { - if (cm.options.lineWrapping) - checkForWebkitWidthBug(cm, op.barMeasure); // (Issue #2420) - if (op.barMeasure.scrollWidth > op.barMeasure.clientWidth && - op.barMeasure.scrollWidth < op.barMeasure.clientWidth + 1 && - !hScrollbarTakesSpace(cm)) - updateScrollbars(cm); // (Issue #2562) - } - // Fire change events, and delayed event handlers if (op.changeObjs) signal(cm, "changes", cm, op.changeObjs); + if (op.update) + op.update.finish(); } // Run the given function in an operation @@ -2305,206 +3356,46 @@ } else { diff = n - oldN; } - oldN += diff; newN += diff; - } - while (visualLineNo(cm.doc, newN) != newN) { - if (index == (dir < 0 ? 0 : view.length - 1)) return null; - newN += dir * view[index - (dir < 0 ? 1 : 0)].size; - index += dir; - } - return {index: index, lineN: newN}; - } - - // Force the view to cover a given range, adding empty view element - // or clipping off existing ones as needed. - function adjustView(cm, from, to) { - var display = cm.display, view = display.view; - if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { - display.view = buildViewArray(cm, from, to); - display.viewFrom = from; - } else { - if (display.viewFrom > from) - display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); - else if (display.viewFrom < from) - display.view = display.view.slice(findViewIndex(cm, from)); - display.viewFrom = from; - if (display.viewTo < to) - display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); - else if (display.viewTo > to) - display.view = display.view.slice(0, findViewIndex(cm, to)); - } - display.viewTo = to; - } - - // Count the number of lines in the view whose DOM representation is - // out of date (or nonexistent). - function countDirtyView(cm) { - var view = cm.display.view, dirty = 0; - for (var i = 0; i < view.length; i++) { - var lineView = view[i]; - if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty; - } - return dirty; - } - - // INPUT HANDLING - - // Poll for input changes, using the normal rate of polling. This - // runs as long as the editor is focused. - function slowPoll(cm) { - if (cm.display.pollingFast) return; - cm.display.poll.set(cm.options.pollInterval, function() { - readInput(cm); - if (cm.state.focused) slowPoll(cm); - }); - } - - // When an event has just come in that is likely to add or change - // something in the input textarea, we poll faster, to ensure that - // the change appears on the screen quickly. - function fastPoll(cm) { - var missed = false; - cm.display.pollingFast = true; - function p() { - var changed = readInput(cm); - if (!changed && !missed) {missed = true; cm.display.poll.set(60, p);} - else {cm.display.pollingFast = false; slowPoll(cm);} - } - cm.display.poll.set(20, p); - } - - // This will be set to an array of strings when copying, so that, - // when pasting, we know what kind of selections the copied text - // was made out of. - var lastCopied = null; - - // Read input from the textarea, and update the document to match. - // When something is selected, it is present in the textarea, and - // selected (unless it is huge, in which case a placeholder is - // used). When nothing is selected, the cursor sits after previously - // seen text (can be empty), which is stored in prevInput (we must - // not reset the textarea when typing, because that breaks IME). - function readInput(cm) { - var input = cm.display.input, prevInput = cm.display.prevInput, doc = cm.doc; - // Since this is called a *lot*, try to bail out as cheaply as - // possible when it is clear that nothing happened. hasSelection - // will be the case when there is a lot of text in the textarea, - // in which case reading its value would be expensive. - if (!cm.state.focused || (hasSelection(input) && !prevInput) || isReadOnly(cm) || cm.options.disableInput) - return false; - // See paste handler for more on the fakedLastChar kludge - if (cm.state.pasteIncoming && cm.state.fakedLastChar) { - input.value = input.value.substring(0, input.value.length - 1); - cm.state.fakedLastChar = false; - } - var text = input.value; - // If nothing changed, bail. - if (text == prevInput && !cm.somethingSelected()) return false; - // Work around nonsensical selection resetting in IE9/10, and - // inexplicable appearance of private area unicode characters on - // some key combos in Mac (#2689). - if (ie && ie_version >= 9 && cm.display.inputHasSelection === text || - mac && /[\uf700-\uf7ff]/.test(text)) { - resetInput(cm); - return false; - } - - var withOp = !cm.curOp; - if (withOp) startOperation(cm); - cm.display.shift = false; - - if (text.charCodeAt(0) == 0x200b && doc.sel == cm.display.selForContextMenu && !prevInput) - prevInput = "\u200b"; - // Find the part of the input that is actually new - var same = 0, l = Math.min(prevInput.length, text.length); - while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same; - var inserted = text.slice(same), textLines = splitLines(inserted); - - // When pasing N lines into N selections, insert one line per selection - var multiPaste = null; - if (cm.state.pasteIncoming && doc.sel.ranges.length > 1) { - if (lastCopied && lastCopied.join("\n") == inserted) - multiPaste = doc.sel.ranges.length % lastCopied.length == 0 && map(lastCopied, splitLines); - else if (textLines.length == doc.sel.ranges.length) - multiPaste = map(textLines, function(l) { return [l]; }); - } - - // Normal behavior is to insert the new text into every selection - for (var i = doc.sel.ranges.length - 1; i >= 0; i--) { - var range = doc.sel.ranges[i]; - var from = range.from(), to = range.to(); - // Handle deletion - if (same < prevInput.length) - from = Pos(from.line, from.ch - (prevInput.length - same)); - // Handle overwrite - else if (cm.state.overwrite && range.empty() && !cm.state.pasteIncoming) - to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); - var updateInput = cm.curOp.updateInput; - var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines, - origin: cm.state.pasteIncoming ? "paste" : cm.state.cutIncoming ? "cut" : "+input"}; - makeChange(cm.doc, changeEvent); - signalLater(cm, "inputRead", cm, changeEvent); - // When an 'electric' character is inserted, immediately trigger a reindent - if (inserted && !cm.state.pasteIncoming && cm.options.electricChars && - cm.options.smartIndent && range.head.ch < 100 && - (!i || doc.sel.ranges[i - 1].head.line != range.head.line)) { - var mode = cm.getModeAt(range.head); - if (mode.electricChars) { - for (var j = 0; j < mode.electricChars.length; j++) - if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { - indentLine(cm, range.head.line, "smart"); - break; - } - } else if (mode.electricInput) { - var end = changeEnd(changeEvent); - if (mode.electricInput.test(getLine(doc, end.line).text.slice(0, end.ch))) - indentLine(cm, range.head.line, "smart"); - } - } - } - ensureCursorVisible(cm); - cm.curOp.updateInput = updateInput; - cm.curOp.typing = true; - - // Don't leave long text in the textarea, since it makes further polling slow - if (text.length > 1000 || text.indexOf("\n") > -1) input.value = cm.display.prevInput = ""; - else cm.display.prevInput = text; - if (withOp) endOperation(cm); - cm.state.pasteIncoming = cm.state.cutIncoming = false; - return true; - } - - // Reset the input to correspond to the selection (or to be empty, - // when not typing and nothing is selected) - function resetInput(cm, typing) { - var minimal, selected, doc = cm.doc; - if (cm.somethingSelected()) { - cm.display.prevInput = ""; - var range = doc.sel.primary(); - minimal = hasCopyEvent && - (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000); - var content = minimal ? "-" : selected || cm.getSelection(); - cm.display.input.value = content; - if (cm.state.focused) selectInput(cm.display.input); - if (ie && ie_version >= 9) cm.display.inputHasSelection = content; - } else if (!typing) { - cm.display.prevInput = cm.display.input.value = ""; - if (ie && ie_version >= 9) cm.display.inputHasSelection = null; + oldN += diff; newN += diff; } - cm.display.inaccurateSelection = minimal; - } - - function focusInput(cm) { - if (cm.options.readOnly != "nocursor" && (!mobile || activeElt() != cm.display.input)) - cm.display.input.focus(); + while (visualLineNo(cm.doc, newN) != newN) { + if (index == (dir < 0 ? 0 : view.length - 1)) return null; + newN += dir * view[index - (dir < 0 ? 1 : 0)].size; + index += dir; + } + return {index: index, lineN: newN}; } - function ensureFocus(cm) { - if (!cm.state.focused) { focusInput(cm); onFocus(cm); } + // Force the view to cover a given range, adding empty view element + // or clipping off existing ones as needed. + function adjustView(cm, from, to) { + var display = cm.display, view = display.view; + if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { + display.view = buildViewArray(cm, from, to); + display.viewFrom = from; + } else { + if (display.viewFrom > from) + display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); + else if (display.viewFrom < from) + display.view = display.view.slice(findViewIndex(cm, from)); + display.viewFrom = from; + if (display.viewTo < to) + display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); + else if (display.viewTo > to) + display.view = display.view.slice(0, findViewIndex(cm, to)); + } + display.viewTo = to; } - function isReadOnly(cm) { - return cm.options.readOnly || cm.doc.cantEdit; + // Count the number of lines in the view whose DOM representation is + // out of date (or nonexistent). + function countDirtyView(cm) { + var view = cm.display.view, dirty = 0; + for (var i = 0; i < view.length; i++) { + var lineView = view[i]; + if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty; + } + return dirty; } // EVENT HANDLERS @@ -2520,20 +3411,69 @@ var pos = posFromMouse(cm, e); if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return; e_preventDefault(e); - var word = findWordAt(cm, pos); + var word = cm.findWordAt(pos); extendSelection(cm.doc, word.anchor, word.head); })); else on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); }); - // Prevent normal selection in the editor (we handle our own) - on(d.lineSpace, "selectstart", function(e) { - if (!eventInWidget(d, e)) e_preventDefault(e); - }); // Some browsers fire contextmenu *after* opening the menu, at // which point we can't mess with it anymore. Context menu is // handled in onMouseDown for these browsers. if (!captureRightClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);}); + // Used to suppress mouse event handling when a touch happens + var touchFinished, prevTouch = {end: 0}; + function finishTouch() { + if (d.activeTouch) { + touchFinished = setTimeout(function() {d.activeTouch = null;}, 1000); + prevTouch = d.activeTouch; + prevTouch.end = +new Date; + } + }; + function isMouseLikeTouchEvent(e) { + if (e.touches.length != 1) return false; + var touch = e.touches[0]; + return touch.radiusX <= 1 && touch.radiusY <= 1; + } + function farAway(touch, other) { + if (other.left == null) return true; + var dx = other.left - touch.left, dy = other.top - touch.top; + return dx * dx + dy * dy > 20 * 20; + } + on(d.scroller, "touchstart", function(e) { + if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e)) { + clearTimeout(touchFinished); + var now = +new Date; + d.activeTouch = {start: now, moved: false, + prev: now - prevTouch.end <= 300 ? prevTouch : null}; + if (e.touches.length == 1) { + d.activeTouch.left = e.touches[0].pageX; + d.activeTouch.top = e.touches[0].pageY; + } + } + }); + on(d.scroller, "touchmove", function() { + if (d.activeTouch) d.activeTouch.moved = true; + }); + on(d.scroller, "touchend", function(e) { + var touch = d.activeTouch; + if (touch && !eventInWidget(d, e) && touch.left != null && + !touch.moved && new Date - touch.start < 300) { + var pos = cm.coordsChar(d.activeTouch, "page"), range; + if (!touch.prev || farAway(touch, touch.prev)) // Single tap + range = new Range(pos, pos); + else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap + range = cm.findWordAt(pos); + else // Triple tap + range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); + cm.setSelection(range.anchor, range.head); + cm.focus(); + e_preventDefault(e); + } + finishTouch(); + }); + on(d.scroller, "touchcancel", finishTouch); + // Sync scrolling between fake scrollbars and real scrollable // area, ensure viewport is updated when scrolling. on(d.scroller, "scroll", function() { @@ -2543,111 +3483,51 @@ signal(cm, "scroll", cm); } }); - on(d.scrollbarV, "scroll", function() { - if (d.scroller.clientHeight) setScrollTop(cm, d.scrollbarV.scrollTop); - }); - on(d.scrollbarH, "scroll", function() { - if (d.scroller.clientHeight) setScrollLeft(cm, d.scrollbarH.scrollLeft); - }); // Listen to wheel events in order to try and update the viewport on time. on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);}); on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);}); - // Prevent clicks in the scrollbars from killing focus - function reFocus() { if (cm.state.focused) setTimeout(bind(focusInput, cm), 0); } - on(d.scrollbarH, "mousedown", reFocus); - on(d.scrollbarV, "mousedown", reFocus); // Prevent wrapper from ever scrolling on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); - on(d.input, "keyup", function(e) { onKeyUp.call(cm, e); }); - on(d.input, "input", function() { - if (ie && ie_version >= 9 && cm.display.inputHasSelection) cm.display.inputHasSelection = null; - fastPoll(cm); - }); - on(d.input, "keydown", operation(cm, onKeyDown)); - on(d.input, "keypress", operation(cm, onKeyPress)); - on(d.input, "focus", bind(onFocus, cm)); - on(d.input, "blur", bind(onBlur, cm)); - - function drag_(e) { - if (!signalDOMEvent(cm, e)) e_stop(e); - } - if (cm.options.dragDrop) { - on(d.scroller, "dragstart", function(e){onDragStart(cm, e);}); - on(d.scroller, "dragenter", drag_); - on(d.scroller, "dragover", drag_); - on(d.scroller, "drop", operation(cm, onDrop)); - } - on(d.scroller, "paste", function(e) { - if (eventInWidget(d, e)) return; - cm.state.pasteIncoming = true; - focusInput(cm); - fastPoll(cm); - }); - on(d.input, "paste", function() { - // Workaround for webkit bug https://bugs.webkit.org/show_bug.cgi?id=90206 - // Add a char to the end of textarea before paste occur so that - // selection doesn't span to the end of textarea. - if (webkit && !cm.state.fakedLastChar && !(new Date - cm.state.lastMiddleDown < 200)) { - var start = d.input.selectionStart, end = d.input.selectionEnd; - d.input.value += "$"; - // The selection end needs to be set before the start, otherwise there - // can be an intermediate non-empty selection between the two, which - // can override the middle-click paste buffer on linux and cause the - // wrong thing to get pasted. - d.input.selectionEnd = end; - d.input.selectionStart = start; - cm.state.fakedLastChar = true; - } - cm.state.pasteIncoming = true; - fastPoll(cm); - }); + d.dragFunctions = { + enter: function(e) {if (!signalDOMEvent(cm, e)) e_stop(e);}, + over: function(e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }}, + start: function(e){onDragStart(cm, e);}, + drop: operation(cm, onDrop), + leave: function(e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }} + }; - function prepareCopyCut(e) { - if (cm.somethingSelected()) { - lastCopied = cm.getSelections(); - if (d.inaccurateSelection) { - d.prevInput = ""; - d.inaccurateSelection = false; - d.input.value = lastCopied.join("\n"); - selectInput(d.input); - } - } else { - var text = [], ranges = []; - for (var i = 0; i < cm.doc.sel.ranges.length; i++) { - var line = cm.doc.sel.ranges[i].head.line; - var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; - ranges.push(lineRange); - text.push(cm.getRange(lineRange.anchor, lineRange.head)); - } - if (e.type == "cut") { - cm.setSelections(ranges, null, sel_dontScroll); - } else { - d.prevInput = ""; - d.input.value = text.join("\n"); - selectInput(d.input); - } - lastCopied = text; - } - if (e.type == "cut") cm.state.cutIncoming = true; - } - on(d.input, "cut", prepareCopyCut); - on(d.input, "copy", prepareCopyCut); + var inp = d.input.getField(); + on(inp, "keyup", function(e) { onKeyUp.call(cm, e); }); + on(inp, "keydown", operation(cm, onKeyDown)); + on(inp, "keypress", operation(cm, onKeyPress)); + on(inp, "focus", bind(onFocus, cm)); + on(inp, "blur", bind(onBlur, cm)); + } - // Needed to handle Tab key in KHTML - if (khtml) on(d.sizer, "mouseup", function() { - if (activeElt() == d.input) d.input.blur(); - focusInput(cm); - }); + function dragDropChanged(cm, value, old) { + var wasOn = old && old != CodeMirror.Init; + if (!value != !wasOn) { + var funcs = cm.display.dragFunctions; + var toggle = value ? on : off; + toggle(cm.display.scroller, "dragstart", funcs.start); + toggle(cm.display.scroller, "dragenter", funcs.enter); + toggle(cm.display.scroller, "dragover", funcs.over); + toggle(cm.display.scroller, "dragleave", funcs.leave); + toggle(cm.display.scroller, "drop", funcs.drop); + } } // Called when the window resizes function onResize(cm) { - // Might be a text scaling operation, clear size caches. var d = cm.display; + if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth) + return; + // Might be a text scaling operation, clear size caches. d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; + d.scrollbarsClipped = false; cm.setSize(); } @@ -2656,7 +3536,9 @@ // Return true when the given mouse event happened in a widget function eventInWidget(display, e) { for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { - if (!n || n.ignoreEvents || n.parentNode == display.sizer && n != display.mover) return true; + if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || + (n.parentNode == display.sizer && n != display.mover)) + return true; } } @@ -2667,11 +3549,8 @@ // coordinates beyond the right of the text. function posFromMouse(cm, e, liberal, forRect) { var display = cm.display; - if (!liberal) { - var target = e_target(e); - if (target == display.scrollbarH || target == display.scrollbarV || - target == display.scrollbarFiller || target == display.gutterFiller) return null; - } + if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") return null; + var x, y, space = display.lineSpace.getBoundingClientRect(); // Fails unpredictably on IE[67] when mouse is dragged around quickly. try { x = e.clientX - space.left; y = e.clientY - space.top; } @@ -2690,8 +3569,8 @@ // middle-click-paste. Or it might be a click on something we should // not interfere with, such as a scrollbar or widget. function onMouseDown(e) { - if (signalDOMEvent(this, e)) return; var cm = this, display = cm.display; + if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) return; display.shift = e.shiftKey; if (eventInWidget(display, e)) { @@ -2709,7 +3588,10 @@ switch (e_button(e)) { case 1: - if (start) + // #3261: make sure, that we're not starting a second selection + if (cm.state.selectingText) + cm.state.selectingText(e); + else if (start) leftButtonDown(cm, e, start); else if (e_target(e) == display.scroller) e_preventDefault(e); @@ -2717,18 +3599,20 @@ case 2: if (webkit) cm.state.lastMiddleDown = +new Date; if (start) extendSelection(cm.doc, start); - setTimeout(bind(focusInput, cm), 20); + setTimeout(function() {display.input.focus();}, 20); e_preventDefault(e); break; case 3: if (captureRightClick) onContextMenu(cm, e); + else delayBlurEvent(cm); break; } } var lastClick, lastDoubleClick; function leftButtonDown(cm, e, start) { - setTimeout(bind(ensureFocus, cm), 0); + if (ie) setTimeout(bind(ensureFocus, cm), 0); + else cm.curOp.focus = activeElt(); var now = +new Date, type; if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) { @@ -2741,9 +3625,11 @@ lastClick = {time: now, pos: start}; } - var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey; - if (cm.options.dragDrop && dragAndDrop && !isReadOnly(cm) && - type == "single" && sel.contains(start) > -1 && sel.somethingSelected()) + var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained; + if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && + type == "single" && (contained = sel.contains(start)) > -1 && + (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) && + (cmp(contained.to(), start) > 0 || start.xRel < 0)) leftButtonStartDrag(cm, e, start, modifier); else leftButtonSelect(cm, e, start, type, modifier); @@ -2752,7 +3638,7 @@ // Start a text drag. When it ends, see if any dragging actually // happen, and treat as a click if it didn't. function leftButtonStartDrag(cm, e, start, modifier) { - var display = cm.display; + var display = cm.display, startTime = +new Date; var dragEnd = operation(cm, function(e2) { if (webkit) display.scroller.draggable = false; cm.state.draggingText = false; @@ -2760,12 +3646,13 @@ off(display.scroller, "drop", dragEnd); if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { e_preventDefault(e2); - if (!modifier) + if (!modifier && +new Date - 200 < startTime) extendSelection(cm.doc, start); - focusInput(cm); - // Work around unexplainable focus problem in IE9 (#2127) - if (ie && ie_version == 9) - setTimeout(function() {document.body.focus(); focusInput(cm);}, 20); + // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) + if (webkit || ie && ie_version == 9) + setTimeout(function() {document.body.focus(); display.input.focus();}, 20); + else + display.input.focus(); } }); // Let the drag handler handle this. @@ -2782,24 +3669,25 @@ var display = cm.display, doc = cm.doc; e_preventDefault(e); - var ourRange, ourIndex, startSel = doc.sel; + var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; if (addNew && !e.shiftKey) { ourIndex = doc.sel.contains(start); if (ourIndex > -1) - ourRange = doc.sel.ranges[ourIndex]; + ourRange = ranges[ourIndex]; else ourRange = new Range(start, start); } else { ourRange = doc.sel.primary(); + ourIndex = doc.sel.primIndex; } - if (e.altKey) { + if (chromeOS ? e.shiftKey && e.metaKey : e.altKey) { type = "rect"; if (!addNew) ourRange = new Range(start, start); start = posFromMouse(cm, e, true, true); ourIndex = -1; } else if (type == "double") { - var word = findWordAt(cm, start); + var word = cm.findWordAt(start); if (cm.display.shift || doc.extend) ourRange = extendRange(doc, ourRange, word.anchor, word.head); else @@ -2818,12 +3706,16 @@ ourIndex = 0; setSelection(doc, new Selection([ourRange], 0), sel_mouse); startSel = doc.sel; - } else if (ourIndex > -1) { - replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); - } else { - ourIndex = doc.sel.ranges.length; - setSelection(doc, normalizeSelection(doc.sel.ranges.concat([ourRange]), ourIndex), + } else if (ourIndex == -1) { + ourIndex = ranges.length; + setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex), {scroll: false, origin: "*mouse"}); + } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) { + setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), + {scroll: false, origin: "*mouse"}); + startSel = doc.sel; + } else { + replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); } var lastPos = start; @@ -2853,7 +3745,7 @@ var anchor = oldRange.anchor, head = pos; if (type != "single") { if (type == "double") - var range = findWordAt(cm, pos); + var range = cm.findWordAt(pos); else var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0))); if (cmp(range.anchor, anchor) > 0) { @@ -2882,7 +3774,7 @@ var cur = posFromMouse(cm, e, true, type == "rect"); if (!cur) return; if (cmp(cur, lastPos) != 0) { - ensureFocus(cm); + cm.curOp.focus = activeElt(); extendTo(cur); var visible = visibleLines(display, doc); if (cur.line >= visible.to || cur.line < visible.from) @@ -2898,9 +3790,10 @@ } function done(e) { + cm.state.selectingText = false; counter = Infinity; e_preventDefault(e); - focusInput(cm); + display.input.focus(); off(document, "mousemove", move); off(document, "mouseup", up); doc.history.lastSelOrigin = null; @@ -2911,13 +3804,14 @@ else extend(e); }); var up = operation(cm, done); + cm.state.selectingText = up; on(document, "mousemove", move); on(document, "mouseup", up); } // Determines whether an event happened in the gutter, and fires the // handlers for the corresponding event. - function gutterEvent(cm, e, type, prevent, signalfn) { + function gutterEvent(cm, e, type, prevent) { try { var mX = e.clientX, mY = e.clientY; } catch(e) { return false; } if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false; @@ -2934,14 +3828,14 @@ if (g && g.getBoundingClientRect().right >= mX) { var line = lineAtHeight(cm.doc, mY); var gutter = cm.options.gutters[i]; - signalfn(cm, type, cm, line, gutter, e); + signal(cm, type, cm, line, gutter, e); return e_defaultPrevented(e); } } } function clickInGutter(cm, e) { - return gutterEvent(cm, e, "gutterClick", true, signalLater); + return gutterEvent(cm, e, "gutterClick", true); } // Kludge to work around strange IE behavior where it'll sometimes @@ -2950,23 +3844,32 @@ function onDrop(e) { var cm = this; + clearDragCursor(cm); if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return; e_preventDefault(e); if (ie) lastDrop = +new Date; var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; - if (!pos || isReadOnly(cm)) return; + if (!pos || cm.isReadOnly()) return; // Might be a file drop, in which case we simply extract the text // and insert it. if (files && files.length && window.FileReader && window.File) { var n = files.length, text = Array(n), read = 0; var loadFile = function(file, i) { + if (cm.options.allowDropFileTypes && + indexOf(cm.options.allowDropFileTypes, file.type) == -1) + return; + var reader = new FileReader; reader.onload = operation(cm, function() { - text[i] = reader.result; + var content = reader.result; + if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) content = ""; + text[i] = content; if (++read == n) { pos = clipPos(cm.doc, pos); - var change = {from: pos, to: pos, text: splitLines(text.join("\n")), origin: "paste"}; + var change = {from: pos, to: pos, + text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())), + origin: "paste"}; makeChange(cm.doc, change); setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change))); } @@ -2979,19 +3882,19 @@ if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { cm.state.draggingText(e); // Ensure the editor is re-focused - setTimeout(bind(focusInput, cm), 20); + setTimeout(function() {cm.display.input.focus();}, 20); return; } try { var text = e.dataTransfer.getData("Text"); if (text) { - if (cm.state.draggingText && !(mac ? e.metaKey : e.ctrlKey)) + if (cm.state.draggingText && !(mac ? e.altKey : e.ctrlKey)) var selected = cm.listSelections(); setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); if (selected) for (var i = 0; i < selected.length; ++i) replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag"); cm.replaceSelection(text, "around", "paste"); - focusInput(cm); + cm.display.input.focus(); } } catch(e){} @@ -3003,6 +3906,7 @@ if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return; e.dataTransfer.setData("Text", cm.getSelection()); + e.dataTransfer.effectAllowed = "copyMove" // Use dummy image instead of default browsers image. // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. @@ -3020,6 +3924,25 @@ } } + function onDragOver(cm, e) { + var pos = posFromMouse(cm, e); + if (!pos) return; + var frag = document.createDocumentFragment(); + drawSelectionCursor(cm, pos, frag); + if (!cm.display.dragCursor) { + cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors"); + cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv); + } + removeChildrenAndAdd(cm.display.dragCursor, frag); + } + + function clearDragCursor(cm) { + if (cm.display.dragCursor) { + cm.display.lineSpace.removeChild(cm.display.dragCursor); + cm.display.dragCursor = null; + } + } + // SCROLL EVENTS // Sync the scrollable area and scrollbars, ensure the viewport @@ -3029,7 +3952,7 @@ cm.doc.scrollTop = val; if (!gecko) updateDisplaySimple(cm, {top: val}); if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val; - if (cm.display.scrollbarV.scrollTop != val) cm.display.scrollbarV.scrollTop = val; + cm.display.scrollbars.setScrollTop(val); if (gecko) updateDisplaySimple(cm); startWorker(cm, 100); } @@ -3041,7 +3964,7 @@ cm.doc.scrollLeft = val; alignHorizontally(cm); if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val; - if (cm.display.scrollbarH.scrollLeft != val) cm.display.scrollbarH.scrollLeft = val; + cm.display.scrollbars.setScrollLeft(val); } // Since the delta values reported on mouse wheel events are @@ -3065,16 +3988,28 @@ else if (chrome) wheelPixelsPerUnit = -.7; else if (safari) wheelPixelsPerUnit = -1/3; - function onScrollWheel(cm, e) { + var wheelEventDelta = function(e) { var dx = e.wheelDeltaX, dy = e.wheelDeltaY; if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail; if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail; else if (dy == null) dy = e.wheelDelta; + return {x: dx, y: dy}; + }; + CodeMirror.wheelEventPixels = function(e) { + var delta = wheelEventDelta(e); + delta.x *= wheelPixelsPerUnit; + delta.y *= wheelPixelsPerUnit; + return delta; + }; + + function onScrollWheel(cm, e) { + var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y; var display = cm.display, scroll = display.scroller; // Quit if there's nothing to scroll here - if (!(dx && scroll.scrollWidth > scroll.clientWidth || - dy && scroll.scrollHeight > scroll.clientHeight)) return; + var canScrollX = scroll.scrollWidth > scroll.clientWidth; + var canScrollY = scroll.scrollHeight > scroll.clientHeight; + if (!(dx && canScrollX || dy && canScrollY)) return; // Webkit browsers on OS X abort momentum scrolls when the target // of the scroll event is removed from the scrollable element. @@ -3098,10 +4033,15 @@ // scrolling entirely here. It'll be slightly off from native, but // better than glitching out. if (dx && !gecko && !presto && wheelPixelsPerUnit != null) { - if (dy) + if (dy && canScrollY) setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight))); setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth))); - e_preventDefault(e); + // Only prevent default scrolling if vertical scrolling is + // actually possible. Otherwise, it causes vertical scroll + // jitter on OSX trackpads when deltaX is small and deltaY + // is large (issue #3579) + if (!dy || (dy && canScrollY)) + e_preventDefault(e); display.wheelStartX = null; // Abort measurement, if in progress return; } @@ -3147,10 +4087,10 @@ } // Ensure previous input has been read, so that the handler sees a // consistent view of the document - if (cm.display.pollingFast && readInput(cm)) cm.display.pollingFast = false; + cm.display.input.ensurePolled(); var prevShift = cm.display.shift, done = false; try { - if (isReadOnly(cm)) cm.state.suppressEdits = true; + if (cm.isReadOnly()) cm.state.suppressEdits = true; if (dropShift) cm.display.shift = false; done = bound(cm) != Pass; } finally { @@ -3160,68 +4100,76 @@ return done; } - // Collect the currently active keymaps. - function allKeyMaps(cm) { - var maps = cm.state.keyMaps.slice(0); - if (cm.options.extraKeys) maps.push(cm.options.extraKeys); - maps.push(cm.options.keyMap); - return maps; + function lookupKeyForEditor(cm, name, handle) { + for (var i = 0; i < cm.state.keyMaps.length; i++) { + var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); + if (result) return result; + } + return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) + || lookupKey(name, cm.options.keyMap, handle, cm); + } + + var stopSeq = new Delayed; + function dispatchKey(cm, name, e, handle) { + var seq = cm.state.keySeq; + if (seq) { + if (isModifierKey(name)) return "handled"; + stopSeq.set(50, function() { + if (cm.state.keySeq == seq) { + cm.state.keySeq = null; + cm.display.input.reset(); + } + }); + name = seq + " " + name; + } + var result = lookupKeyForEditor(cm, name, handle); + + if (result == "multi") + cm.state.keySeq = name; + if (result == "handled") + signalLater(cm, "keyHandled", cm, name, e); + + if (result == "handled" || result == "multi") { + e_preventDefault(e); + restartBlink(cm); + } + + if (seq && !result && /\'$/.test(name)) { + e_preventDefault(e); + return true; + } + return !!result; } - var maybeTransition; // Handle a key from the keydown event. function handleKeyBinding(cm, e) { - // Handle automatic keymap transitions - var startMap = getKeyMap(cm.options.keyMap), next = startMap.auto; - clearTimeout(maybeTransition); - if (next && !isModifierKey(e)) maybeTransition = setTimeout(function() { - if (getKeyMap(cm.options.keyMap) == startMap) { - cm.options.keyMap = (next.call ? next.call(null, cm) : next); - keyMapChanged(cm); - } - }, 50); - - var name = keyName(e, true), handled = false; + var name = keyName(e, true); if (!name) return false; - var keymaps = allKeyMaps(cm); - if (e.shiftKey) { + if (e.shiftKey && !cm.state.keySeq) { // First try to resolve full name (including 'Shift-'). Failing // that, see if there is a cursor-motion command (starting with // 'go') bound to the keyname without 'Shift-'. - handled = lookupKey("Shift-" + name, keymaps, function(b) {return doHandleBinding(cm, b, true);}) - || lookupKey(name, keymaps, function(b) { - if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) - return doHandleBinding(cm, b); - }); + return dispatchKey(cm, "Shift-" + name, e, function(b) {return doHandleBinding(cm, b, true);}) + || dispatchKey(cm, name, e, function(b) { + if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) + return doHandleBinding(cm, b); + }); } else { - handled = lookupKey(name, keymaps, function(b) { return doHandleBinding(cm, b); }); - } - - if (handled) { - e_preventDefault(e); - restartBlink(cm); - signalLater(cm, "keyHandled", cm, name, e); + return dispatchKey(cm, name, e, function(b) { return doHandleBinding(cm, b); }); } - return handled; } // Handle a key from the keypress event function handleCharBinding(cm, e, ch) { - var handled = lookupKey("'" + ch + "'", allKeyMaps(cm), - function(b) { return doHandleBinding(cm, b, true); }); - if (handled) { - e_preventDefault(e); - restartBlink(cm); - signalLater(cm, "keyHandled", cm, "'" + ch + "'", e); - } - return handled; + return dispatchKey(cm, "'" + ch + "'", e, + function(b) { return doHandleBinding(cm, b, true); }); } var lastStoppedKey = null; function onKeyDown(e) { var cm = this; - ensureFocus(cm); + cm.curOp.focus = activeElt(); if (signalDOMEvent(cm, e)) return; // IE does strange things with escape. if (ie && ie_version < 11 && e.keyCode == 27) e.returnValue = false; @@ -3262,36 +4210,49 @@ function onKeyPress(e) { var cm = this; - if (signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return; + if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return; var keyCode = e.keyCode, charCode = e.charCode; if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;} - if (((presto && (!e.which || e.which < 10)) || khtml) && handleKeyBinding(cm, e)) return; + if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) return; var ch = String.fromCharCode(charCode == null ? keyCode : charCode); if (handleCharBinding(cm, e, ch)) return; - if (ie && ie_version >= 9) cm.display.inputHasSelection = null; - fastPoll(cm); + cm.display.input.onKeyPress(e); } // FOCUS/BLUR EVENTS + function delayBlurEvent(cm) { + cm.state.delayingBlurEvent = true; + setTimeout(function() { + if (cm.state.delayingBlurEvent) { + cm.state.delayingBlurEvent = false; + onBlur(cm); + } + }, 100); + } + function onFocus(cm) { + if (cm.state.delayingBlurEvent) cm.state.delayingBlurEvent = false; + if (cm.options.readOnly == "nocursor") return; if (!cm.state.focused) { signal(cm, "focus", cm); cm.state.focused = true; addClass(cm.display.wrapper, "CodeMirror-focused"); - // The prevInput test prevents this from firing when a context - // menu is closed (since the resetInput would kill the + // This test prevents this from firing when a context + // menu is closed (since the input reset would kill the // select-all detection hack) if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { - resetInput(cm); - if (webkit) setTimeout(bind(resetInput, cm, true), 0); // Issue #1730 + cm.display.input.reset(); + if (webkit) setTimeout(function() { cm.display.input.reset(true); }, 20); // Issue #1730 } + cm.display.input.receivedFocus(); } - slowPoll(cm); restartBlink(cm); } function onBlur(cm) { + if (cm.state.delayingBlurEvent) return; + if (cm.state.focused) { signal(cm, "blur", cm); cm.state.focused = false; @@ -3307,83 +4268,14 @@ // textarea (making it as unobtrusive as possible) to let the // right-click take effect on it. function onContextMenu(cm, e) { + if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) return; if (signalDOMEvent(cm, e, "contextmenu")) return; - var display = cm.display; - if (eventInWidget(display, e) || contextMenuInGutter(cm, e)) return; - - var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; - if (!pos || presto) return; // Opera is difficult. - - // Reset the current text selection only if the click is done outside of the selection - // and 'resetSelectionOnContextMenu' option is true. - var reset = cm.options.resetSelectionOnContextMenu; - if (reset && cm.doc.sel.contains(pos) == -1) - operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); - - var oldCSS = display.input.style.cssText; - display.inputDiv.style.position = "absolute"; - display.input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) + - "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: " + - (ie ? "rgba(255, 255, 255, .05)" : "transparent") + - "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; - if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712) - focusInput(cm); - if (webkit) window.scrollTo(null, oldScrollY); - resetInput(cm); - // Adds "Select all" to context menu in FF - if (!cm.somethingSelected()) display.input.value = display.prevInput = " "; - display.selForContextMenu = cm.doc.sel; - clearTimeout(display.detectingSelectAll); - - // Select-all will be greyed out if there's nothing to select, so - // this adds a zero-width space so that we can later check whether - // it got selected. - function prepareSelectAllHack() { - if (display.input.selectionStart != null) { - var selected = cm.somethingSelected(); - var extval = display.input.value = "\u200b" + (selected ? display.input.value : ""); - display.prevInput = selected ? "" : "\u200b"; - display.input.selectionStart = 1; display.input.selectionEnd = extval.length; - // Re-set this, in case some other handler touched the - // selection in the meantime. - display.selForContextMenu = cm.doc.sel; - } - } - function rehide() { - display.inputDiv.style.position = "relative"; - display.input.style.cssText = oldCSS; - if (ie && ie_version < 9) display.scrollbarV.scrollTop = display.scroller.scrollTop = scrollPos; - slowPoll(cm); - - // Try to detect the user choosing select-all - if (display.input.selectionStart != null) { - if (!ie || (ie && ie_version < 9)) prepareSelectAllHack(); - var i = 0, poll = function() { - if (display.selForContextMenu == cm.doc.sel && display.input.selectionStart == 0) - operation(cm, commands.selectAll)(cm); - else if (i++ < 10) display.detectingSelectAll = setTimeout(poll, 500); - else resetInput(cm); - }; - display.detectingSelectAll = setTimeout(poll, 200); - } - } - - if (ie && ie_version >= 9) prepareSelectAllHack(); - if (captureRightClick) { - e_stop(e); - var mouseup = function() { - off(window, "mouseup", mouseup); - setTimeout(rehide, 20); - }; - on(window, "mouseup", mouseup); - } else { - setTimeout(rehide, 50); - } + cm.display.input.onContextMenu(e); } function contextMenuInGutter(cm, e) { if (!hasHandler(cm, "gutterContextMenu")) return false; - return gutterEvent(cm, e, "gutterContextMenu", false, signal); + return gutterEvent(cm, e, "gutterContextMenu", false); } // UPDATING @@ -3560,7 +4452,7 @@ var after = i ? computeSelAfterChange(doc, change) : lst(source); makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); - if (!i && doc.cm) doc.cm.scrollIntoView(change); + if (!i && doc.cm) doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); var rebased = []; // Propagate to the linked documents @@ -3663,7 +4555,9 @@ var lendiff = change.text.length - (to.line - from.line) - 1; // Remember that these lines changed, for updating the display - if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) + if (change.full) + regChange(cm); + else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) regLineChange(cm, from.line, "text"); else regChange(cm, from.line, to.line + 1, lendiff); @@ -3685,7 +4579,7 @@ function replaceRange(doc, code, from, to, origin) { if (!to) to = from; if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; } - if (typeof code == "string") code = splitLines(code); + if (typeof code == "string") code = doc.splitLines(code); makeChange(doc, {from: from, to: to, text: code, origin: origin}); } @@ -3694,13 +4588,15 @@ // If an editor sits on the top or bottom of the window, partially // scrolled out of view, this ensures that the cursor is visible. function maybeScrollWindow(cm, coords) { + if (signalDOMEvent(cm, "scrollCursorIntoView")) return; + var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null; if (coords.top + box.top < 0) doScroll = true; else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false; if (doScroll != null && !phantom) { var scrollNode = elt("div", "\u200b", null, "position: absolute; top: " + (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " + - (coords.bottom - coords.top + scrollerCutOff) + "px; left: " + + (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px; left: " + coords.left + "px; width: 2px;"); cm.display.lineSpace.appendChild(scrollNode); scrollNode.scrollIntoView(doScroll); @@ -3713,7 +4609,7 @@ // measured, the position of something may 'drift' during drawing). function scrollPosIntoView(cm, pos, end, margin) { if (margin == null) margin = 0; - for (;;) { + for (var limit = 0; limit < 5; limit++) { var changed = false, coords = cursorCoords(cm, pos); var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left), @@ -3729,8 +4625,9 @@ setScrollLeft(cm, scrollPos.scrollLeft); if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true; } - if (!changed) return coords; + if (!changed) break; } + return coords; } // Scroll a given set of coordinates into view (immediately). @@ -3748,7 +4645,8 @@ var display = cm.display, snapMargin = textHeight(cm.display); if (y1 < 0) y1 = 0; var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop; - var screen = display.scroller.clientHeight - scrollerCutOff, result = {}; + var screen = displayHeight(cm), result = {}; + if (y2 - y1 > screen) y2 = y1 + screen; var docBottom = cm.doc.height + paddingVert(display); var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin; if (y1 < screentop) { @@ -3759,16 +4657,15 @@ } var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft; - var screenw = display.scroller.clientWidth - scrollerCutOff; - x1 += display.gutters.offsetWidth; x2 += display.gutters.offsetWidth; - var gutterw = display.gutters.offsetWidth; - var atLeft = x1 < gutterw + 10; - if (x1 < screenleft + gutterw || atLeft) { - if (atLeft) x1 = 0; - result.scrollLeft = Math.max(0, x1 - 10 - gutterw); - } else if (x2 > screenw + screenleft - 3) { - result.scrollLeft = x2 + 10 - screenw; - } + var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0); + var tooWide = x2 - x1 > screenw; + if (tooWide) x2 = x1 + screenw; + if (x1 < 10) + result.scrollLeft = 0; + else if (x1 < screenleft) + result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10)); + else if (x2 > screenw + screenleft - 3) + result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw; return result; } @@ -3861,6 +4758,8 @@ if (indentString != curSpaceString) { replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input"); + line.stateAfter = null; + return true; } else { // Ensure that, if the cursor was in the whitespace at the start // of the line, it is moved to the end of that space. @@ -3873,7 +4772,6 @@ } } } - line.stateAfter = null; } // Utility for applying a change to a line by handle or number, @@ -3925,10 +4823,9 @@ function findPosH(doc, pos, dir, unit, visually) { var line = pos.line, ch = pos.ch, origDir = dir; var lineObj = getLine(doc, line); - var possible = true; function findNextLine() { var l = line + dir; - if (l < doc.first || l >= doc.first + doc.size) return (possible = false); + if (l < doc.first || l >= doc.first + doc.size) return false line = l; return lineObj = getLine(doc, l); } @@ -3938,14 +4835,16 @@ if (!boundToLine && findNextLine()) { if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj); else ch = dir < 0 ? lineObj.text.length : 0; - } else return (possible = false); + } else return false } else ch = next; return true; } - if (unit == "char") moveOnce(); - else if (unit == "column") moveOnce(true); - else if (unit == "word" || unit == "group") { + if (unit == "char") { + moveOnce() + } else if (unit == "column") { + moveOnce(true) + } else if (unit == "word" || unit == "group") { var sawType = null, group = unit == "group"; var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); for (var first = true;; first = false) { @@ -3965,8 +4864,8 @@ if (dir > 0 && !moveOnce(!first)) break; } } - var result = skipAtomic(doc, Pos(line, ch), origDir, true); - if (!possible) result.hitSide = true; + var result = skipAtomic(doc, Pos(line, ch), pos, origDir, true); + if (!cmp(pos, result)) result.hitSide = true; return result; } @@ -3990,24 +4889,6 @@ return target; } - // Find the word at the given position (as returned by coordsChar). - function findWordAt(cm, pos) { - var doc = cm.doc, line = getLine(doc, pos.line).text; - var start = pos.ch, end = pos.ch; - if (line) { - var helper = cm.getHelper(pos, "wordChars"); - if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end; - var startChar = line.charAt(start); - var check = isWordChar(startChar, helper) - ? function(ch) { return isWordChar(ch, helper); } - : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} - : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);}; - while (start > 0 && check(line.charAt(start - 1))) --start; - while (end < line.length && check(line.charAt(end))) ++end; - } - return new Range(Pos(pos.line, start), Pos(pos.line, end)); - } - // EDITOR METHODS // The publicly visible API. Note that methodOp(f) means @@ -4020,7 +4901,7 @@ CodeMirror.prototype = { constructor: CodeMirror, - focus: function(){window.focus(); focusInput(this); fastPoll(this);}, + focus: function(){window.focus(); this.display.input.focus();}, setOption: function(option, value) { var options = this.options, old = options[option]; @@ -4034,12 +4915,12 @@ getDoc: function() {return this.doc;}, addKeyMap: function(map, bottom) { - this.state.keyMaps[bottom ? "push" : "unshift"](map); + this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map)); }, removeKeyMap: function(map) { var maps = this.state.keyMaps; for (var i = 0; i < maps.length; ++i) - if (maps[i] == map || (typeof maps[i] != "string" && maps[i].name == map)) { + if (maps[i] == map || maps[i].name == map) { maps.splice(i, 1); return true; } @@ -4084,7 +4965,7 @@ indentLine(this, j, how); var newRanges = this.doc.sel.ranges; if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) - replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to())); + replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); } else if (range.head.line > end) { indentLine(this, range.head.line, how, true); end = range.head.line; @@ -4096,20 +4977,11 @@ // Fetch the parser token for a given character. Useful for hacks // that want to inspect the mode state (say, for completion). getTokenAt: function(pos, precise) { - var doc = this.doc; - pos = clipPos(doc, pos); - var state = getStateBefore(this, pos.line, precise), mode = this.doc.mode; - var line = getLine(doc, pos.line); - var stream = new StringStream(line.text, this.options.tabSize); - while (stream.pos < pos.ch && !stream.eol()) { - stream.start = stream.pos; - var style = readToken(mode, stream, state); - } - return {start: stream.start, - end: stream.pos, - string: stream.current(), - type: style || null, - state: state}; + return takeToken(this, pos, precise); + }, + + getLineTokens: function(line, precise) { + return takeToken(this, Pos(line), precise, true); }, getTokenTypeAt: function(pos) { @@ -4140,7 +5012,7 @@ getHelpers: function(pos, type) { var found = []; - if (!helpers.hasOwnProperty(type)) return helpers; + if (!helpers.hasOwnProperty(type)) return found; var help = helpers[type], mode = this.getModeAt(pos); if (typeof mode[type] == "string") { if (help[mode[type]]) found.push(help[mode[type]]); @@ -4190,10 +5062,15 @@ return lineAtHeight(this.doc, height + this.display.viewOffset); }, heightAtLine: function(line, mode) { - var end = false, last = this.doc.first + this.doc.size - 1; - if (line < this.doc.first) line = this.doc.first; - else if (line > last) { line = last; end = true; } - var lineObj = getLine(this.doc, line); + var end = false, lineObj; + if (typeof line == "number") { + var last = this.doc.first + this.doc.size - 1; + if (line < this.doc.first) line = this.doc.first; + else if (line > last) { line = last; end = true; } + lineObj = getLine(this.doc, line); + } else { + lineObj = line; + } return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page").top + (end ? this.doc.height - heightAtLine(lineObj) : 0); }, @@ -4222,12 +5099,6 @@ }); }), - addLineWidget: methodOp(function(handle, node, options) { - return addLineWidget(this, handle, node, options); - }), - - removeLineWidget: function(widget) { widget.clear(); }, - lineInfo: function(line) { if (typeof line == "number") { if (!isLine(this.doc, line)) return null; @@ -4250,6 +5121,8 @@ pos = cursorCoords(this, clipPos(this.doc, pos)); var top = pos.bottom, left = pos.left; node.style.position = "absolute"; + node.setAttribute("cm-ignore-events", "true"); + this.display.input.setUneditable(node); display.sizer.appendChild(node); if (vert == "over") { top = pos.top; @@ -4284,9 +5157,11 @@ execCommand: function(cmd) { if (commands.hasOwnProperty(cmd)) - return commands[cmd](this); + return commands[cmd].call(null, this); }, + triggerElectric: methodOp(function(text) { triggerElectric(this, text); }), + findPosH: function(from, amount, unit, visually) { var dir = 1; if (amount < 0) { dir = -1; amount = -amount; } @@ -4349,6 +5224,24 @@ doc.sel.ranges[i].goalColumn = goals[i]; }), + // Find the word at the given position (as returned by coordsChar). + findWordAt: function(pos) { + var doc = this.doc, line = getLine(doc, pos.line).text; + var start = pos.ch, end = pos.ch; + if (line) { + var helper = this.getHelper(pos, "wordChars"); + if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end; + var startChar = line.charAt(start); + var check = isWordChar(startChar, helper) + ? function(ch) { return isWordChar(ch, helper); } + : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} + : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);}; + while (start > 0 && check(line.charAt(start - 1))) --start; + while (end < line.length && check(line.charAt(end))) ++end; + } + return new Range(Pos(pos.line, start), Pos(pos.line, end)); + }, + toggleOverwrite: function(value) { if (value != null && value == this.state.overwrite) return; if (this.state.overwrite = !this.state.overwrite) @@ -4358,7 +5251,8 @@ signal(this, "overwriteToggle", this, this.state.overwrite); }, - hasFocus: function() { return activeElt() == this.display.input; }, + hasFocus: function() { return this.display.input.getField() == activeElt(); }, + isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit); }, scrollTo: methodOp(function(x, y) { if (x != null || y != null) resolveScrollToPos(this); @@ -4366,10 +5260,11 @@ if (y != null) this.curOp.scrollTop = y; }), getScrollInfo: function() { - var scroller = this.display.scroller, co = scrollerCutOff; + var scroller = this.display.scroller; return {left: scroller.scrollLeft, top: scroller.scrollTop, - height: scroller.scrollHeight - co, width: scroller.scrollWidth - co, - clientHeight: scroller.clientHeight - co, clientWidth: scroller.clientWidth - co}; + height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, + width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, + clientHeight: displayHeight(this), clientWidth: displayWidth(this)}; }, scrollIntoView: methodOp(function(range, margin) { @@ -4433,13 +5328,14 @@ old.cm = null; attachDoc(this, doc); clearCaches(this); - resetInput(this); + this.display.input.reset(); this.scrollTo(doc.scrollLeft, doc.scrollTop); + this.curOp.forceScroll = true; signalLater(this, "swapDoc", this, old); return old; }), - getInputField: function(){return this.display.input;}, + getInputField: function(){return this.display.input.getField();}, getWrapperElement: function(){return this.display.wrapper;}, getScrollerElement: function(){return this.display.scroller;}, getGutterElement: function(){return this.display.gutters;} @@ -4480,12 +5376,31 @@ clearCaches(cm); regChange(cm); }, true); - option("specialChars", /[\t\u0000-\u0019\u00ad\u200b\u2028\u2029\ufeff]/g, function(cm, val) { - cm.options.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); - cm.refresh(); - }, true); + option("lineSeparator", null, function(cm, val) { + cm.doc.lineSep = val; + if (!val) return; + var newBreaks = [], lineNo = cm.doc.first; + cm.doc.iter(function(line) { + for (var pos = 0;;) { + var found = line.text.indexOf(val, pos); + if (found == -1) break; + pos = found + val.length; + newBreaks.push(Pos(lineNo, found)); + } + lineNo++; + }); + for (var i = newBreaks.length - 1; i >= 0; i--) + replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)) + }); + option("specialChars", /[\u0000-\u001f\u007f\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, function(cm, val, old) { + cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); + if (old != CodeMirror.Init) cm.refresh(); + }); option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true); option("electricChars", true); + option("inputStyle", mobile ? "contenteditable" : "textarea", function() { + throw new Error("inputStyle can not (yet) be changed in a running editor"); // FIXME + }, true); option("rtlMoveVisually", !windows); option("wholeLineUpdateBefore", true); @@ -4493,7 +5408,12 @@ themeChanged(cm); guttersChanged(cm); }, true); - option("keyMap", "default", keyMapChanged); + option("keyMap", "default", function(cm, val, old) { + var next = getKeyMap(val); + var prev = old != CodeMirror.Init && getKeyMap(old); + if (prev && prev.detach) prev.detach(cm, next); + if (next.attach) next.attach(cm, prev || null); + }); option("extraKeys", null); option("lineWrapping", false, wrappingChanged, true); @@ -4505,7 +5425,13 @@ cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; cm.refresh(); }, true); - option("coverGutterNextToScrollbar", false, updateScrollbars, true); + option("coverGutterNextToScrollbar", false, function(cm) {updateScrollbars(cm);}, true); + option("scrollbarStyle", "native", function(cm) { + initScrollbars(cm); + updateScrollbars(cm); + cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); + cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); + }, true); option("lineNumbers", false, function(cm) { setGuttersForLineNumbers(cm.options); guttersChanged(cm); @@ -4515,6 +5441,7 @@ option("showCursorWhenSelecting", false, updateSelection, true); option("resetSelectionOnContextMenu", true); + option("lineWiseCopyCut", true); option("readOnly", false, function(cm, val) { if (val == "nocursor") { @@ -4523,11 +5450,12 @@ cm.display.disabled = true; } else { cm.display.disabled = false; - if (!val) resetInput(cm); } + cm.display.input.readOnlyChanged(val) }); - option("disableInput", false, function(cm, val) {if (!val) resetInput(cm);}, true); - option("dragDrop", true); + option("disableInput", false, function(cm, val) {if (!val) cm.display.input.reset();}, true); + option("dragDrop", true, dragDropChanged); + option("allowDropFileTypes", null); option("cursorBlinkRate", 530); option("cursorScrollMargin", 0); @@ -4543,11 +5471,11 @@ option("viewportMargin", 10, function(cm){cm.refresh();}, true); option("maxHighlightLength", 10000, resetModeState, true); option("moveInputWithCursor", true, function(cm, val) { - if (!val) cm.display.inputDiv.style.top = cm.display.inputDiv.style.left = 0; + if (!val) cm.display.input.resetPosition(); }); option("tabindex", null, function(cm, val) { - cm.display.input.tabIndex = val || ""; + cm.display.input.getField().tabIndex = val || ""; }); option("autofocus", null); @@ -4561,10 +5489,8 @@ // load a mode. (Preferred mechanism is the require/define calls.) CodeMirror.defineMode = function(name, mode) { if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; - if (arguments.length > 2) { - mode.dependencies = []; - for (var i = 2; i < arguments.length; ++i) mode.dependencies.push(arguments[i]); - } + if (arguments.length > 2) + mode.dependencies = Array.prototype.slice.call(arguments, 2); modes[name] = mode; }; @@ -4795,7 +5721,7 @@ for (var i = 0; i < ranges.length; i++) { var pos = ranges[i].from(); var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); - spaces.push(new Array(tabSize - col % tabSize + 1).join(" ")); + spaces.push(spaceStr(tabSize - col % tabSize)); } cm.replaceSelections(spaces); }, @@ -4817,7 +5743,8 @@ } else if (cur.line > cm.doc.first) { var prev = getLine(cm.doc, cur.line - 1).text; if (prev) - cm.replaceRange(line.charAt(0) + "\n" + prev.charAt(prev.length - 1), + cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + + prev.charAt(prev.length - 1), Pos(cur.line - 1, prev.length - 1), Pos(cur.line, 1), "+transpose"); } } @@ -4831,18 +5758,20 @@ var len = cm.listSelections().length; for (var i = 0; i < len; i++) { var range = cm.listSelections()[i]; - cm.replaceRange("\n", range.anchor, range.head, "+input"); + cm.replaceRange(cm.doc.lineSeparator(), range.anchor, range.head, "+input"); cm.indentLine(range.from().line + 1, null, true); - ensureCursorVisible(cm); } + ensureCursorVisible(cm); }); }, toggleOverwrite: function(cm) {cm.toggleOverwrite();} }; + // STANDARD KEYMAPS var keyMap = CodeMirror.keyMap = {}; + keyMap.basic = { "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", @@ -4856,7 +5785,7 @@ // are simply ignored. keyMap.pcDefault = { "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", - "Ctrl-Home": "goDocStart", "Ctrl-Up": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Down": "goDocEnd", + "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", @@ -4864,6 +5793,13 @@ "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", fallthrough: "basic" }; + // Very basic readline/emacs-style bindings, which are standard on Mac. + keyMap.emacsy = { + "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", + "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", + "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", + "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars" + }; keyMap.macDefault = { "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", @@ -4871,80 +5807,110 @@ "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", - "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", + "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", fallthrough: ["basic", "emacsy"] }; - // Very basic readline/emacs-style bindings, which are standard on Mac. - keyMap.emacsy = { - "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", - "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", - "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", - "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars" - }; keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; // KEYMAP DISPATCH - function getKeyMap(val) { - if (typeof val == "string") return keyMap[val]; - else return val; - } - - // Given an array of keymaps and a key name, call handle on any - // bindings found, until that returns a truthy value, at which point - // we consider the key handled. Implements things like binding a key - // to false stopping further handling and keymap fallthrough. - var lookupKey = CodeMirror.lookupKey = function(name, maps, handle) { - function lookup(map) { - map = getKeyMap(map); - var found = map[name]; - if (found === false) return "stop"; - if (found != null && handle(found)) return true; - if (map.nofallthrough) return "stop"; - - var fallthrough = map.fallthrough; - if (fallthrough == null) return false; - if (Object.prototype.toString.call(fallthrough) != "[object Array]") - return lookup(fallthrough); - for (var i = 0; i < fallthrough.length; ++i) { - var done = lookup(fallthrough[i]); - if (done) return done; + function normalizeKeyName(name) { + var parts = name.split(/-(?!$)/), name = parts[parts.length - 1]; + var alt, ctrl, shift, cmd; + for (var i = 0; i < parts.length - 1; i++) { + var mod = parts[i]; + if (/^(cmd|meta|m)$/i.test(mod)) cmd = true; + else if (/^a(lt)?$/i.test(mod)) alt = true; + else if (/^(c|ctrl|control)$/i.test(mod)) ctrl = true; + else if (/^s(hift)$/i.test(mod)) shift = true; + else throw new Error("Unrecognized modifier name: " + mod); + } + if (alt) name = "Alt-" + name; + if (ctrl) name = "Ctrl-" + name; + if (cmd) name = "Cmd-" + name; + if (shift) name = "Shift-" + name; + return name; + } + + // This is a kludge to keep keymaps mostly working as raw objects + // (backwards compatibility) while at the same time support features + // like normalization and multi-stroke key bindings. It compiles a + // new normalized keymap, and then updates the old object to reflect + // this. + CodeMirror.normalizeKeyMap = function(keymap) { + var copy = {}; + for (var keyname in keymap) if (keymap.hasOwnProperty(keyname)) { + var value = keymap[keyname]; + if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) continue; + if (value == "...") { delete keymap[keyname]; continue; } + + var keys = map(keyname.split(" "), normalizeKeyName); + for (var i = 0; i < keys.length; i++) { + var val, name; + if (i == keys.length - 1) { + name = keys.join(" "); + val = value; + } else { + name = keys.slice(0, i + 1).join(" "); + val = "..."; + } + var prev = copy[name]; + if (!prev) copy[name] = val; + else if (prev != val) throw new Error("Inconsistent bindings for " + name); } - return false; + delete keymap[keyname]; } + for (var prop in copy) keymap[prop] = copy[prop]; + return keymap; + }; - for (var i = 0; i < maps.length; ++i) { - var done = lookup(maps[i]); - if (done) return done != "stop"; + var lookupKey = CodeMirror.lookupKey = function(key, map, handle, context) { + map = getKeyMap(map); + var found = map.call ? map.call(key, context) : map[key]; + if (found === false) return "nothing"; + if (found === "...") return "multi"; + if (found != null && handle(found)) return "handled"; + + if (map.fallthrough) { + if (Object.prototype.toString.call(map.fallthrough) != "[object Array]") + return lookupKey(key, map.fallthrough, handle, context); + for (var i = 0; i < map.fallthrough.length; i++) { + var result = lookupKey(key, map.fallthrough[i], handle, context); + if (result) return result; + } } }; // Modifier key presses don't count as 'real' key presses for the // purpose of keymap fallthrough. - var isModifierKey = CodeMirror.isModifierKey = function(event) { - var name = keyNames[event.keyCode]; + var isModifierKey = CodeMirror.isModifierKey = function(value) { + var name = typeof value == "string" ? value : keyNames[value.keyCode]; return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; }; // Look up the name of a key as indicated by an event object. var keyName = CodeMirror.keyName = function(event, noShift) { if (presto && event.keyCode == 34 && event["char"]) return false; - var name = keyNames[event.keyCode]; + var base = keyNames[event.keyCode], name = base; if (name == null || event.altGraphKey) return false; - if (event.altKey) name = "Alt-" + name; - if (flipCtrlCmd ? event.metaKey : event.ctrlKey) name = "Ctrl-" + name; - if (flipCtrlCmd ? event.ctrlKey : event.metaKey) name = "Cmd-" + name; - if (!noShift && event.shiftKey) name = "Shift-" + name; + if (event.altKey && base != "Alt") name = "Alt-" + name; + if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") name = "Ctrl-" + name; + if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") name = "Cmd-" + name; + if (!noShift && event.shiftKey && base != "Shift") name = "Shift-" + name; return name; }; + function getKeyMap(val) { + return typeof val == "string" ? keyMap[val] : val; + } + // FROMTEXTAREA CodeMirror.fromTextArea = function(textarea, options) { - if (!options) options = {}; + options = options ? copyObj(options) : {}; options.value = textarea.value; - if (!options.tabindex && textarea.tabindex) - options.tabindex = textarea.tabindex; + if (!options.tabindex && textarea.tabIndex) + options.tabindex = textarea.tabIndex; if (!options.placeholder && textarea.placeholder) options.placeholder = textarea.placeholder; // Set autofocus to true if this textarea is focused, or if it has @@ -4972,22 +5938,26 @@ } } + options.finishInit = function(cm) { + cm.save = save; + cm.getTextArea = function() { return textarea; }; + cm.toTextArea = function() { + cm.toTextArea = isNaN; // Prevent this from being ran twice + save(); + textarea.parentNode.removeChild(cm.getWrapperElement()); + textarea.style.display = ""; + if (textarea.form) { + off(textarea.form, "submit", save); + if (typeof textarea.form.submit == "function") + textarea.form.submit = realSubmit; + } + }; + }; + textarea.style.display = "none"; var cm = CodeMirror(function(node) { textarea.parentNode.insertBefore(node, textarea.nextSibling); }, options); - cm.save = save; - cm.getTextArea = function() { return textarea; }; - cm.toTextArea = function() { - save(); - textarea.parentNode.removeChild(cm.getWrapperElement()); - textarea.style.display = ""; - if (textarea.form) { - off(textarea.form, "submit", save); - if (typeof textarea.form.submit == "function") - textarea.form.submit = realSubmit; - } - }; return cm; }; @@ -5080,10 +6050,13 @@ // marker continues beyond the start/end of the line. Markers have // links back to the lines they currently touch. + var nextMarkerId = 0; + var TextMarker = CodeMirror.TextMarker = function(doc, type) { this.lines = []; this.type = type; this.doc = doc; + this.id = ++nextMarkerId; }; eventMixin(TextMarker); @@ -5215,7 +6188,7 @@ // Showing up as a widget implies collapsed (widget replaces text) marker.collapsed = true; marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget"); - if (!options.handleMouseEvents) marker.widgetNode.ignoreEvents = true; + if (!options.handleMouseEvents) marker.widgetNode.setAttribute("cm-ignore-events", "true"); if (options.insertLeft) marker.widgetNode.insertLeft = true; } if (marker.collapsed) { @@ -5259,7 +6232,7 @@ if (updateMaxLine) cm.curOp.updateMaxLine = true; if (marker.collapsed) regChange(cm, from.line, to.line + 1); - else if (marker.className || marker.title || marker.startStyle || marker.endStyle) + else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css) for (var i = from.line; i <= to.line; i++) regLineChange(cm, i, "text"); if (marker.atomic) reCheckSelection(cm.doc); signalLater(cm, "markerAdded", cm, marker); @@ -5399,6 +6372,7 @@ // spans partially within the change. Returns an array of span // arrays with one element for each line in (after) the change. function stretchSpansOverChange(doc, change) { + if (change.full) return null; var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; if (!oldFirst && !oldLast) return null; @@ -5586,8 +6560,8 @@ var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue; - if (fromCmp <= 0 && (cmp(found.to, from) > 0 || (sp.marker.inclusiveRight && marker.inclusiveLeft)) || - fromCmp >= 0 && (cmp(found.from, to) < 0 || (sp.marker.inclusiveLeft && marker.inclusiveRight))) + if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) || + fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0)) return true; } } @@ -5666,10 +6640,10 @@ // Line widgets are block elements displayed above or below a line. - var LineWidget = CodeMirror.LineWidget = function(cm, node, options) { + var LineWidget = CodeMirror.LineWidget = function(doc, node, options) { if (options) for (var opt in options) if (options.hasOwnProperty(opt)) this[opt] = options[opt]; - this.cm = cm; + this.doc = doc; this.node = node; }; eventMixin(LineWidget); @@ -5680,50 +6654,55 @@ } LineWidget.prototype.clear = function() { - var cm = this.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); + var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); if (no == null || !ws) return; for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1); if (!ws.length) line.widgets = null; var height = widgetHeight(this); - runInOp(cm, function() { + updateLineHeight(line, Math.max(0, line.height - height)); + if (cm) runInOp(cm, function() { adjustScrollWhenAboveVisible(cm, line, -height); regLineChange(cm, no, "widget"); - updateLineHeight(line, Math.max(0, line.height - height)); }); }; LineWidget.prototype.changed = function() { - var oldH = this.height, cm = this.cm, line = this.line; + var oldH = this.height, cm = this.doc.cm, line = this.line; this.height = null; var diff = widgetHeight(this) - oldH; if (!diff) return; - runInOp(cm, function() { + updateLineHeight(line, line.height + diff); + if (cm) runInOp(cm, function() { cm.curOp.forceUpdate = true; adjustScrollWhenAboveVisible(cm, line, diff); - updateLineHeight(line, line.height + diff); }); }; function widgetHeight(widget) { if (widget.height != null) return widget.height; + var cm = widget.doc.cm; + if (!cm) return 0; if (!contains(document.body, widget.node)) { var parentStyle = "position: relative;"; if (widget.coverGutter) - parentStyle += "margin-left: -" + widget.cm.getGutterElement().offsetWidth + "px;"; - removeChildrenAndAdd(widget.cm.display.measure, elt("div", [widget.node], null, parentStyle)); + parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; + if (widget.noHScroll) + parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; + removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)); } - return widget.height = widget.node.offsetHeight; + return widget.height = widget.node.parentNode.offsetHeight; } - function addLineWidget(cm, handle, node, options) { - var widget = new LineWidget(cm, node, options); - if (widget.noHScroll) cm.display.alignWidgets = true; - changeLine(cm.doc, handle, "widget", function(line) { + function addLineWidget(doc, handle, node, options) { + var widget = new LineWidget(doc, node, options); + var cm = doc.cm; + if (cm && widget.noHScroll) cm.display.alignWidgets = true; + changeLine(doc, handle, "widget", function(line) { var widgets = line.widgets || (line.widgets = []); if (widget.insertAt == null) widgets.push(widget); else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); widget.line = line; - if (!lineIsHidden(cm.doc, line)) { - var aboveVisible = heightAtLine(line) < cm.doc.scrollTop; + if (cm && !lineIsHidden(doc, line)) { + var aboveVisible = heightAtLine(line) < doc.scrollTop; updateLineHeight(line, line.height + widgetHeight(widget)); if (aboveVisible) addToScrollPos(cm, null, widget.height); cm.curOp.forceUpdate = true; @@ -5786,20 +6765,44 @@ if (inner.mode.blankLine) return inner.mode.blankLine(inner.state); } - function readToken(mode, stream, state) { + function readToken(mode, stream, state, inner) { for (var i = 0; i < 10; i++) { + if (inner) inner[0] = CodeMirror.innerMode(mode, state).mode; var style = mode.token(stream, state); if (stream.pos > stream.start) return style; } throw new Error("Mode " + mode.name + " failed to advance stream."); } + // Utility for getTokenAt and getLineTokens + function takeToken(cm, pos, precise, asArray) { + function getObj(copy) { + return {start: stream.start, end: stream.pos, + string: stream.current(), + type: style || null, + state: copy ? copyState(doc.mode, state) : state}; + } + + var doc = cm.doc, mode = doc.mode, style; + pos = clipPos(doc, pos); + var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise); + var stream = new StringStream(line.text, cm.options.tabSize), tokens; + if (asArray) tokens = []; + while ((asArray || stream.pos < pos.ch) && !stream.eol()) { + stream.start = stream.pos; + style = readToken(mode, stream, state); + if (asArray) tokens.push(getObj(true)); + } + return asArray ? tokens : getObj(); + } + // Run the given mode's parser over a line, calling f for each token. function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) { var flattenSpans = mode.flattenSpans; if (flattenSpans == null) flattenSpans = cm.options.flattenSpans; var curStart = 0, curStyle = null; var stream = new StringStream(text, cm.options.tabSize), style; + var inner = cm.options.addModeClass && [null]; if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses); while (!stream.eol()) { if (stream.pos > cm.options.maxHighlightLength) { @@ -5808,15 +6811,18 @@ stream.pos = text.length; style = null; } else { - style = extractLineClasses(readToken(mode, stream, state), lineClasses); + style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses); } - if (cm.options.addModeClass) { - var mName = CodeMirror.innerMode(mode, state).mode.name; + if (inner) { + var mName = inner[0].name; if (mName) style = "m-" + (style ? mName + " " + style : mName); } if (!flattenSpans || curStyle != style) { - if (curStart < stream.start) f(stream.start, curStyle); - curStart = stream.start; curStyle = style; + while (curStart < stream.start) { + curStart = Math.min(stream.start, curStart + 50000); + f(curStart, curStyle); + } + curStyle = style; } stream.start = stream.pos; } @@ -5870,12 +6876,15 @@ return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}; } - function getLineStyles(cm, line) { + function getLineStyles(cm, line, updateFrontier) { if (!line.styles || line.styles[0] != cm.state.modeGen) { - var result = highlightLine(cm, line, line.stateAfter = getStateBefore(cm, lineNo(line))); + var state = getStateBefore(cm, lineNo(line)); + var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state); + line.stateAfter = state; line.styles = result.styles; if (result.classes) line.styleClasses = result.classes; else if (line.styleClasses) line.styleClasses = null; + if (updateFrontier === cm.doc.frontier) cm.doc.frontier++; } return line.styles; } @@ -5888,7 +6897,7 @@ var stream = new StringStream(text, cm.options.tabSize); stream.start = stream.pos = startAt || 0; if (text == "") callBlankLine(mode, state); - while (!stream.eol() && stream.pos <= cm.options.maxHighlightLength) { + while (!stream.eol()) { readToken(mode, stream, state); stream.start = stream.pos; } @@ -5915,7 +6924,9 @@ // is needed on Webkit to be able to get line-level bounding // rectangles for it (in measureChar). var content = elt("span", null, null, webkit ? "padding-right: .1px" : null); - var builder = {pre: elt("pre", [content]), content: content, col: 0, pos: 0, cm: cm}; + var builder = {pre: elt("pre", [content], "CodeMirror-line"), content: content, + col: 0, pos: 0, cm: cm, + splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")}; lineView.measure = {}; // Iterate over the logical lines that make up this visual line. @@ -5925,12 +6936,11 @@ builder.addToken = buildToken; // Optionally wire in some hacks into the token-rendering // algorithm, to deal with browser quirks. - if ((ie || webkit) && cm.getOption("lineWrapping")) - builder.addToken = buildTokenSplitSpaces(builder.addToken); if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line))) builder.addToken = buildTokenBadBidi(builder.addToken, order); builder.map = []; - insertLineContent(line, builder, getLineStyles(cm, line)); + var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); + insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); if (line.styleClasses) { if (line.styleClasses.bgClass) builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); @@ -5952,26 +6962,33 @@ } } + // See issue #2901 + if (webkit && /\bcm-tab\b/.test(builder.content.lastChild.className)) + builder.content.className = "cm-tab-wrap-hack"; + signal(cm, "renderLine", cm, lineView.line, builder.pre); if (builder.pre.className) builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); + return builder; } function defaultSpecialCharPlaceholder(ch) { var token = elt("span", "\u2022", "cm-invalidchar"); token.title = "\\u" + ch.charCodeAt(0).toString(16); + token.setAttribute("aria-label", token.title); return token; } // Build up the DOM representation for a single token, and add it to // the line map. Takes care to render special characters separately. - function buildToken(builder, text, style, startStyle, endStyle, title) { + function buildToken(builder, text, style, startStyle, endStyle, title, css) { if (!text) return; - var special = builder.cm.options.specialChars, mustWrap = false; + var displayText = builder.splitSpaces ? text.replace(/ {3,}/g, splitSpaces) : text; + var special = builder.cm.state.specialChars, mustWrap = false; if (!special.test(text)) { builder.col += text.length; - var content = document.createTextNode(text); + var content = document.createTextNode(displayText); builder.map.push(builder.pos, builder.pos + text.length, content); if (ie && ie_version < 9) mustWrap = true; builder.pos += text.length; @@ -5982,7 +6999,7 @@ var m = special.exec(text); var skipped = m ? m.index - pos : text.length - pos; if (skipped) { - var txt = document.createTextNode(text.slice(pos, pos + skipped)); + var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); else content.appendChild(txt); builder.map.push(builder.pos, builder.pos + skipped, txt); @@ -5994,9 +7011,16 @@ if (m[0] == "\t") { var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; var txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); + txt.setAttribute("role", "presentation"); + txt.setAttribute("cm-text", "\t"); builder.col += tabWidth; + } else if (m[0] == "\r" || m[0] == "\n") { + var txt = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")); + txt.setAttribute("cm-text", m[0]); + builder.col += 1; } else { var txt = builder.cm.options.specialCharPlaceholder(m[0]); + txt.setAttribute("cm-text", m[0]); if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); else content.appendChild(txt); builder.col += 1; @@ -6005,33 +7029,28 @@ builder.pos++; } } - if (style || startStyle || endStyle || mustWrap) { + if (style || startStyle || endStyle || mustWrap || css) { var fullStyle = style || ""; if (startStyle) fullStyle += startStyle; if (endStyle) fullStyle += endStyle; - var token = elt("span", [content], fullStyle); + var token = elt("span", [content], fullStyle, css); if (title) token.title = title; return builder.content.appendChild(token); } builder.content.appendChild(content); } - function buildTokenSplitSpaces(inner) { - function split(old) { - var out = " "; - for (var i = 0; i < old.length - 2; ++i) out += i % 2 ? " " : "\u00a0"; - out += " "; - return out; - } - return function(builder, text, style, startStyle, endStyle, title) { - inner(builder, text.replace(/ {3,}/g, split), style, startStyle, endStyle, title); - }; + function splitSpaces(old) { + var out = " "; + for (var i = 0; i < old.length - 2; ++i) out += i % 2 ? " " : "\u00a0"; + out += " "; + return out; } // Work around nonsense dimensions being reported for stretches of // right-to-left text. function buildTokenBadBidi(inner, order) { - return function(builder, text, style, startStyle, endStyle, title) { + return function(builder, text, style, startStyle, endStyle, title, css) { style = style ? style + " cm-force-border" : "cm-force-border"; var start = builder.pos, end = start + text.length; for (;;) { @@ -6040,8 +7059,8 @@ var part = order[i]; if (part.to > start && part.from <= start) break; } - if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title); - inner(builder, text.slice(0, part.to - start), style, startStyle, null, title); + if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title, css); + inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css); startStyle = null; text = text.slice(part.to - start); start = part.to; @@ -6051,8 +7070,14 @@ function buildCollapsedSpan(builder, size, marker, ignoreWidget) { var widget = !ignoreWidget && marker.widgetNode; + if (widget) builder.map.push(builder.pos, builder.pos + size, widget); + if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { + if (!widget) + widget = builder.content.appendChild(document.createElement("span")); + widget.setAttribute("cm-marker", marker.id); + } if (widget) { - builder.map.push(builder.pos, builder.pos + size, widget); + builder.cm.display.input.setUneditable(widget); builder.content.appendChild(widget); } builder.pos += size; @@ -6068,35 +7093,44 @@ return; } - var len = allText.length, pos = 0, i = 1, text = "", style; + var len = allText.length, pos = 0, i = 1, text = "", style, css; var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed; for (;;) { if (nextChange == pos) { // Update current marker set - spanStyle = spanEndStyle = spanStartStyle = title = ""; + spanStyle = spanEndStyle = spanStartStyle = title = css = ""; collapsed = null; nextChange = Infinity; - var foundBookmarks = []; + var foundBookmarks = [], endStyles for (var j = 0; j < spans.length; ++j) { var sp = spans[j], m = sp.marker; - if (sp.from <= pos && (sp.to == null || sp.to > pos)) { - if (sp.to != null && nextChange > sp.to) { nextChange = sp.to; spanEndStyle = ""; } + if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { + foundBookmarks.push(m); + } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { + if (sp.to != null && sp.to != pos && nextChange > sp.to) { + nextChange = sp.to; + spanEndStyle = ""; + } if (m.className) spanStyle += " " + m.className; + if (m.css) css = (css ? css + ";" : "") + m.css; if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle; - if (m.endStyle && sp.to == nextChange) spanEndStyle += " " + m.endStyle; + if (m.endStyle && sp.to == nextChange) (endStyles || (endStyles = [])).push(m.endStyle, sp.to) if (m.title && !title) title = m.title; if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) collapsed = sp; } else if (sp.from > pos && nextChange > sp.from) { nextChange = sp.from; } - if (m.type == "bookmark" && sp.from == pos && m.widgetNode) foundBookmarks.push(m); } + if (endStyles) for (var j = 0; j < endStyles.length; j += 2) + if (endStyles[j + 1] == nextChange) spanEndStyle += " " + endStyles[j] + + if (!collapsed || collapsed.from == pos) for (var j = 0; j < foundBookmarks.length; ++j) + buildCollapsedSpan(builder, 0, foundBookmarks[j]); if (collapsed && (collapsed.from || 0) == pos) { buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, collapsed.marker, collapsed.from == null); if (collapsed.to == null) return; + if (collapsed.to == pos) collapsed = false; } - if (!collapsed && foundBookmarks.length) for (var j = 0; j < foundBookmarks.length; ++j) - buildCollapsedSpan(builder, 0, foundBookmarks[j]); } if (pos >= len) break; @@ -6107,7 +7141,7 @@ if (!collapsed) { var tokenText = end > upto ? text.slice(0, upto - pos) : text; builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, - spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title); + spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css); } if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} pos = end; @@ -6136,17 +7170,24 @@ updateLine(line, text, spans, estimateHeight); signalLater(line, "change", line, change); } + function linesFor(start, end) { + for (var i = start, result = []; i < end; ++i) + result.push(new Line(text[i], spansFor(i), estimateHeight)); + return result; + } var from = change.from, to = change.to, text = change.text; var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; // Adjust the line structure - if (isWholeLineUpdate(doc, change)) { + if (change.full) { + doc.insert(0, linesFor(0, text.length)); + doc.remove(text.length, doc.size - text.length); + } else if (isWholeLineUpdate(doc, change)) { // This is a whole-line replace. Treated specially to make // sure line objects move the way they are supposed to. - for (var i = 0, added = []; i < text.length - 1; ++i) - added.push(new Line(text[i], spansFor(i), estimateHeight)); + var added = linesFor(0, text.length - 1); update(lastLine, lastLine.text, lastSpans); if (nlines) doc.remove(from.line, nlines); if (added.length) doc.insert(from.line, added); @@ -6154,8 +7195,7 @@ if (text.length == 1) { update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); } else { - for (var added = [], i = 1; i < text.length - 1; ++i) - added.push(new Line(text[i], spansFor(i), estimateHeight)); + var added = linesFor(1, text.length - 1); added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)); update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); doc.insert(from.line + 1, added); @@ -6166,8 +7206,7 @@ } else { update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); - for (var i = 1, added = []; i < text.length - 1; ++i) - added.push(new Line(text[i], spansFor(i), estimateHeight)); + var added = linesFor(1, text.length - 1); if (nlines > 1) doc.remove(from.line + 1, nlines - 1); doc.insert(from.line + 1, added); } @@ -6327,8 +7366,8 @@ }; var nextDocId = 0; - var Doc = CodeMirror.Doc = function(text, mode, firstLine) { - if (!(this instanceof Doc)) return new Doc(text, mode, firstLine); + var Doc = CodeMirror.Doc = function(text, mode, firstLine, lineSep) { + if (!(this instanceof Doc)) return new Doc(text, mode, firstLine, lineSep); if (firstLine == null) firstLine = 0; BranchChunk.call(this, [new LeafChunk([new Line("", null)])]); @@ -6342,8 +7381,10 @@ this.history = new History(null); this.id = ++nextDocId; this.modeOption = mode; + this.lineSep = lineSep; + this.extend = false; - if (typeof text == "string") text = splitLines(text); + if (typeof text == "string") text = this.splitLines(text); updateDoc(this, {from: start, to: start, text: text}); setSelection(this, simpleSelection(start), sel_dontScroll); }; @@ -6373,12 +7414,12 @@ getValue: function(lineSep) { var lines = getLines(this, this.first, this.first + this.size); if (lineSep === false) return lines; - return lines.join(lineSep || "\n"); + return lines.join(lineSep || this.lineSeparator()); }, setValue: docMethodOp(function(code) { var top = Pos(this.first, 0), last = this.first + this.size - 1; makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), - text: splitLines(code), origin: "setValue"}, true); + text: this.splitLines(code), origin: "setValue", full: true}, true); setSelection(this, simpleSelection(top)); }), replaceRange: function(code, from, to, origin) { @@ -6389,7 +7430,7 @@ getRange: function(from, to, lineSep) { var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); if (lineSep === false) return lines; - return lines.join(lineSep || "\n"); + return lines.join(lineSep || this.lineSeparator()); }, getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;}, @@ -6429,10 +7470,11 @@ extendSelection(this, clipPos(this, head), other && clipPos(this, other), options); }), extendSelections: docMethodOp(function(heads, options) { - extendSelections(this, clipPosArray(this, heads, options)); + extendSelections(this, clipPosArray(this, heads), options); }), extendSelectionsBy: docMethodOp(function(f, options) { - extendSelections(this, map(this.sel.ranges, f), options); + var heads = map(this.sel.ranges, f); + extendSelections(this, clipPosArray(this, heads), options); }), setSelections: docMethodOp(function(ranges, primary, options) { if (!ranges.length) return; @@ -6455,13 +7497,13 @@ lines = lines ? lines.concat(sel) : sel; } if (lineSep === false) return lines; - else return lines.join(lineSep || "\n"); + else return lines.join(lineSep || this.lineSeparator()); }, getSelections: function(lineSep) { var parts = [], ranges = this.sel.ranges; for (var i = 0; i < ranges.length; i++) { var sel = getBetween(this, ranges[i].from(), ranges[i].to()); - if (lineSep !== false) sel = sel.join(lineSep || "\n"); + if (lineSep !== false) sel = sel.join(lineSep || this.lineSeparator()); parts[i] = sel; } return parts; @@ -6476,7 +7518,7 @@ var changes = [], sel = this.sel; for (var i = 0; i < sel.ranges.length; i++) { var range = sel.ranges[i]; - changes[i] = {from: range.from(), to: range.to(), text: splitLines(code[i]), origin: origin}; + changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin}; } var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse); for (var i = changes.length - 1; i >= 0; i--) @@ -6523,22 +7565,26 @@ }, addLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, "class", function(line) { - var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : "wrapClass"; + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { + var prop = where == "text" ? "textClass" + : where == "background" ? "bgClass" + : where == "gutter" ? "gutterClass" : "wrapClass"; if (!line[prop]) line[prop] = cls; - else if (new RegExp("(?:^|\\s)" + cls + "(?:$|\\s)").test(line[prop])) return false; + else if (classTest(cls).test(line[prop])) return false; else line[prop] += " " + cls; return true; }); }), removeLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, "class", function(line) { - var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : "wrapClass"; + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { + var prop = where == "text" ? "textClass" + : where == "background" ? "bgClass" + : where == "gutter" ? "gutterClass" : "wrapClass"; var cur = line[prop]; if (!cur) return false; else if (cls == null) line[prop] = null; else { - var found = cur.match(new RegExp("(?:^|\\s+)" + cls + "(?:$|\\s+)")); + var found = cur.match(classTest(cls)); if (!found) return false; var end = found.index + found[0].length; line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null; @@ -6547,13 +7593,19 @@ }); }), + addLineWidget: docMethodOp(function(handle, node, options) { + return addLineWidget(this, handle, node, options); + }), + removeLineWidget: function(widget) { widget.clear(); }, + markText: function(from, to, options) { - return markText(this, clipPos(this, from), clipPos(this, to), options, "range"); + return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range"); }, setBookmark: function(pos, options) { var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), insertLeft: options && options.insertLeft, - clearWhenEmpty: false, shared: options && options.shared}; + clearWhenEmpty: false, shared: options && options.shared, + handleMouseEvents: options && options.handleMouseEvents}; pos = clipPos(this, pos); return markText(this, pos, pos, realOpts, "bookmark"); }, @@ -6575,9 +7627,9 @@ var spans = line.markedSpans; if (spans) for (var i = 0; i < spans.length; i++) { var span = spans[i]; - if (!(lineNo == from.line && from.ch > span.to || - span.from == null && lineNo != from.line|| - lineNo == to.line && span.from > to.ch) && + if (!(span.to != null && lineNo == from.line && from.ch >= span.to || + span.from == null && lineNo != from.line || + span.from != null && lineNo == to.line && span.from >= to.ch) && (!filter || filter(span.marker))) found.push(span.marker.parent || span.marker); } @@ -6596,9 +7648,9 @@ }, posFromIndex: function(off) { - var ch, lineNo = this.first; + var ch, lineNo = this.first, sepSize = this.lineSeparator().length; this.iter(function(line) { - var sz = line.text.length + 1; + var sz = line.text.length + sepSize; if (sz > off) { ch = off; return true; } off -= sz; ++lineNo; @@ -6609,14 +7661,16 @@ coords = clipPos(this, coords); var index = coords.ch; if (coords.line < this.first || coords.ch < 0) return 0; + var sepSize = this.lineSeparator().length; this.iter(this.first, coords.line, function (line) { - index += line.text.length + 1; + index += line.text.length + sepSize; }); return index; }, copy: function(copyHistory) { - var doc = new Doc(getLines(this, this.first, this.first + this.size), this.modeOption, this.first); + var doc = new Doc(getLines(this, this.first, this.first + this.size), + this.modeOption, this.first, this.lineSep); doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft; doc.sel = this.sel; doc.extend = false; @@ -6632,7 +7686,7 @@ var from = this.first, to = this.first + this.size; if (options.from != null && options.from > from) from = options.from; if (options.to != null && options.to < to) to = options.to; - var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from); + var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep); if (options.sharedHist) copy.history = this.history; (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]; @@ -6661,14 +7715,20 @@ iterLinkedDocs: function(f) {linkedDocs(this, f);}, getMode: function() {return this.mode;}, - getEditor: function() {return this.cm;} + getEditor: function() {return this.cm;}, + + splitLines: function(str) { + if (this.lineSep) return str.split(this.lineSep); + return splitLinesAuto(str); + }, + lineSeparator: function() { return this.lineSep || "\n"; } }); // Public alias. Doc.prototype.eachLine = Doc.prototype.iter; // Set up methods on CodeMirror's prototype to redirect to the editor's document. - var dontDelegate = "iter insert remove copy getEditor".split(" "); + var dontDelegate = "iter insert remove copy getEditor constructor".split(" "); for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) CodeMirror.prototype[prop] = (function(method) { return function() {return method.apply(this.doc, arguments);}; @@ -7101,24 +8161,30 @@ } }; + var noHandlers = [] + function getHandlers(emitter, type, copy) { + var arr = emitter._handlers && emitter._handlers[type] + if (copy) return arr && arr.length > 0 ? arr.slice() : noHandlers + else return arr || noHandlers + } + var off = CodeMirror.off = function(emitter, type, f) { if (emitter.removeEventListener) emitter.removeEventListener(type, f, false); else if (emitter.detachEvent) emitter.detachEvent("on" + type, f); else { - var arr = emitter._handlers && emitter._handlers[type]; - if (!arr) return; - for (var i = 0; i < arr.length; ++i) - if (arr[i] == f) { arr.splice(i, 1); break; } + var handlers = getHandlers(emitter, type, false) + for (var i = 0; i < handlers.length; ++i) + if (handlers[i] == f) { handlers.splice(i, 1); break; } } }; var signal = CodeMirror.signal = function(emitter, type /*, values...*/) { - var arr = emitter._handlers && emitter._handlers[type]; - if (!arr) return; + var handlers = getHandlers(emitter, type, true) + if (!handlers.length) return; var args = Array.prototype.slice.call(arguments, 2); - for (var i = 0; i < arr.length; ++i) arr[i].apply(null, args); + for (var i = 0; i < handlers.length; ++i) handlers[i].apply(null, args); }; var orphanDelayedCallbacks = null; @@ -7131,8 +8197,8 @@ // them to be executed when the last operation ends, or, if no // operation is active, when a timeout fires. function signalLater(emitter, type /*, values...*/) { - var arr = emitter._handlers && emitter._handlers[type]; - if (!arr) return; + var arr = getHandlers(emitter, type, false) + if (!arr.length) return; var args = Array.prototype.slice.call(arguments, 2), list; if (operationGroup) { list = operationGroup.delayedCallbacks; @@ -7157,6 +8223,8 @@ // registering a (non-DOM) handler on the editor for the event name, // and preventDefault-ing the event in that handler. function signalDOMEvent(cm, e, override) { + if (typeof e == "string") + e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; signal(cm, override || e.type, cm, e); return e_defaultPrevented(e) || e.codemirrorIgnore; } @@ -7170,8 +8238,7 @@ } function hasHandler(emitter, type) { - var arr = emitter._handlers && emitter._handlers[type]; - return arr && arr.length > 0; + return getHandlers(emitter, type).length > 0 } // Add on and off methods to a constructor's prototype, to make @@ -7184,7 +8251,7 @@ // MISC UTILITIES // Number of pixels added to scroller and sizer to hide scrollbar - var scrollerCutOff = 30; + var scrollerGap = 30; // Returned or thrown by various protocols to signal 'I'm not // handling this'. @@ -7218,7 +8285,7 @@ // The inverse of countColumn -- find the offset that corresponds to // a particular column. - function findColumn(string, goal, tabSize) { + var findColumn = CodeMirror.findColumn = function(string, goal, tabSize) { for (var pos = 0, col = 0;;) { var nextTab = string.indexOf("\t", pos); if (nextTab == -1) nextTab = string.length; @@ -7252,22 +8319,21 @@ if (array[i] == elt) return i; return -1; } - if ([].indexOf) indexOf = function(array, elt) { return array.indexOf(elt); }; function map(array, f) { var out = []; for (var i = 0; i < array.length; i++) out[i] = f(array[i], i); return out; } - if ([].map) map = function(array, f) { return array.map(f); }; + + function nothing() {} function createObj(base, props) { var inst; if (Object.create) { inst = Object.create(base); } else { - var ctor = function() {}; - ctor.prototype = base; - inst = new ctor(); + nothing.prototype = base; + inst = new nothing(); } if (props) copyObj(props, inst); return inst; @@ -7286,7 +8352,7 @@ return function(){return f.apply(null, args);}; } - var nonASCIISingleCaseWordChar = /[\u00df\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; + var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; var isWordCharBasic = CodeMirror.isWordChar = function(ch) { return /\w/.test(ch) || ch > "\x80" && (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)); @@ -7322,15 +8388,16 @@ } var range; - if (document.createRange) range = function(node, start, end) { + if (document.createRange) range = function(node, start, end, endNode) { var r = document.createRange(); - r.setEnd(node, end); + r.setEnd(endNode || node, end); r.setStart(node, start); return r; }; else range = function(node, start, end) { var r = document.body.createTextRange(); - r.moveToElementText(node.parentNode); + try { r.moveToElementText(node.parentNode); } + catch(e) { return r; } r.collapse(true); r.moveEnd("character", end); r.moveStart("character", start); @@ -7347,14 +8414,23 @@ return removeChildren(parent).appendChild(e); } - function contains(parent, child) { + var contains = CodeMirror.contains = function(parent, child) { + if (child.nodeType == 3) // Android browser always returns false when child is a textnode + child = child.parentNode; if (parent.contains) return parent.contains(child); - while (child = child.parentNode) + do { + if (child.nodeType == 11) child = child.host; if (child == parent) return true; - } + } while (child = child.parentNode); + }; - function activeElt() { return document.activeElement; } + function activeElt() { + var activeElement = document.activeElement; + while (activeElement && activeElement.root && activeElement.root.activeElement) + activeElement = activeElement.root.activeElement; + return activeElement; + } // Older versions of IE throws unspecified error when touching // document.activeElement in some cases (during loading, in iframe) if (ie && ie_version < 11) activeElt = function() { @@ -7362,14 +8438,19 @@ catch(e) { return document.body; } }; - function classTest(cls) { return new RegExp("\\b" + cls + "\\b\\s*"); } - function rmClass(node, cls) { - var test = classTest(cls); - if (test.test(node.className)) node.className = node.className.replace(test, ""); - } - function addClass(node, cls) { - if (!classTest(cls).test(node.className)) node.className += " " + cls; - } + function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*"); } + var rmClass = CodeMirror.rmClass = function(node, cls) { + var current = node.className; + var match = classTest(cls).exec(current); + if (match) { + var after = current.slice(match.index + match[0].length); + node.className = current.slice(0, match.index) + (after ? match[1] + after : ""); + } + }; + var addClass = CodeMirror.addClass = function(node, cls) { + var current = node.className; + if (!classTest(cls).test(current)) node.className += (current ? " " : "") + cls; + }; function joinClasses(a, b) { var as = a.split(" "); for (var i = 0; i < as.length; i++) @@ -7404,7 +8485,6 @@ on(window, "resize", function() { if (resizeTimer == null) resizeTimer = setTimeout(function() { resizeTimer = null; - knownScrollbarWidth = null; forEachCodeMirror(onResize); }, 100); }); @@ -7425,16 +8505,6 @@ return "draggable" in div || "dragDrop" in div; }(); - var knownScrollbarWidth; - function scrollbarWidth(measure) { - if (knownScrollbarWidth != null) return knownScrollbarWidth; - var test = elt("div", null, null, "width: 50px; height: 50px; overflow-x: scroll"); - removeChildrenAndAdd(measure, test); - if (test.offsetWidth) - knownScrollbarWidth = test.offsetHeight - test.clientHeight; - return knownScrollbarWidth || 0; - } - var zwspSupported; function zeroWidthElement(measure) { if (zwspSupported == null) { @@ -7443,8 +8513,10 @@ if (measure.firstChild.offsetHeight != 0) zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); } - if (zwspSupported) return elt("span", "\u200b"); - else return elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); + var node = zwspSupported ? elt("span", "\u200b") : + elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); + node.setAttribute("cm-text", ""); + return node; } // Feature-detect IE's crummy client rect reporting for bidi text @@ -7453,14 +8525,14 @@ if (badBidiRects != null) return badBidiRects; var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); var r0 = range(txt, 0, 1).getBoundingClientRect(); - if (r0.left == r0.right) return false; + if (!r0 || r0.left == r0.right) return false; // Safari returns null in some cases (#2780) var r1 = range(txt, 1, 2).getBoundingClientRect(); return badBidiRects = (r1.right - r0.right < 3); } // See if "".split is the broken IE version, if so, provide an // alternative way to split lines. - var splitLines = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { + var splitLinesAuto = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { var pos = 0, result = [], l = string.length; while (pos <= l) { var nl = string.indexOf("\n", pos); @@ -7506,14 +8578,16 @@ // KEY NAMES - var keyNames = {3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", - 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", - 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", - 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", 107: "=", 109: "-", 127: "Delete", - 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", - 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", - 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"}; - CodeMirror.keyNames = keyNames; + var keyNames = CodeMirror.keyNames = { + 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", + 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", + 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", + 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", + 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete", + 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", + 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", + 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" + }; (function() { // Number keys for (var i = 0; i < 10; i++) keyNames[i + 48] = keyNames[i + 96] = String(i); @@ -7807,6 +8881,8 @@ lst(order).to -= m[0].length; order.push(new BidiSpan(0, len - m[0].length, len)); } + if (order[0].level == 2) + order.unshift(new BidiSpan(1, order[0].to, order[0].to)); if (order[0].level != lst(order).level) order.push(new BidiSpan(order[0].level, len, len)); @@ -7816,7 +8892,7 @@ // THE END - CodeMirror.version = "4.4.1"; + CodeMirror.version = "5.14.3"; return CodeMirror; }); diff --git a/interp/tracer/codemirror/lib/javascript.js b/interp/tracer/codemirror/lib/javascript.js new file mode 100644 index 00000000..fa5721d5 --- /dev/null +++ b/interp/tracer/codemirror/lib/javascript.js @@ -0,0 +1,742 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +// TODO actually recognize syntax of TypeScript constructs + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { +"use strict"; + +function expressionAllowed(stream, state, backUp) { + return /^(?:operator|sof|keyword c|case|new|[\[{}\(,;:]|=>)$/.test(state.lastType) || + (state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0)))) +} + +CodeMirror.defineMode("javascript", function(config, parserConfig) { + var indentUnit = config.indentUnit; + var statementIndent = parserConfig.statementIndent; + var jsonldMode = parserConfig.jsonld; + var jsonMode = parserConfig.json || jsonldMode; + var isTS = parserConfig.typescript; + var wordRE = parserConfig.wordCharacters || /[\w$\xa1-\uffff]/; + + // Tokenizer + + var keywords = function(){ + function kw(type) {return {type: type, style: "keyword"};} + var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"); + var operator = kw("operator"), atom = {type: "atom", style: "atom"}; + + var jsKeywords = { + "if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B, + "return": C, "break": C, "continue": C, "new": kw("new"), "delete": C, "throw": C, "debugger": C, + "var": kw("var"), "const": kw("var"), "let": kw("var"), + "function": kw("function"), "catch": kw("catch"), + "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"), + "in": operator, "typeof": operator, "instanceof": operator, + "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom, + "this": kw("this"), "class": kw("class"), "super": kw("atom"), + "yield": C, "export": kw("export"), "import": kw("import"), "extends": C + }; + + // Extend the 'normal' keywords with the TypeScript language extensions + if (isTS) { + var type = {type: "variable", style: "variable-3"}; + var tsKeywords = { + // object-like things + "interface": kw("class"), + "implements": C, + "namespace": C, + "module": kw("module"), + "enum": kw("module"), + + // scope modifiers + "public": kw("modifier"), + "private": kw("modifier"), + "protected": kw("modifier"), + "abstract": kw("modifier"), + + // operators + "as": operator, + + // types + "string": type, "number": type, "boolean": type, "any": type + }; + + for (var attr in tsKeywords) { + jsKeywords[attr] = tsKeywords[attr]; + } + } + + return jsKeywords; + }(); + + var isOperatorChar = /[+\-*&%=<>!?|~^]/; + var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/; + + function readRegexp(stream) { + var escaped = false, next, inSet = false; + while ((next = stream.next()) != null) { + if (!escaped) { + if (next == "/" && !inSet) return; + if (next == "[") inSet = true; + else if (inSet && next == "]") inSet = false; + } + escaped = !escaped && next == "\\"; + } + } + + // Used as scratch variables to communicate multiple values without + // consing up tons of objects. + var type, content; + function ret(tp, style, cont) { + type = tp; content = cont; + return style; + } + function tokenBase(stream, state) { + var ch = stream.next(); + if (ch == '"' || ch == "'") { + state.tokenize = tokenString(ch); + return state.tokenize(stream, state); + } else if (ch == "." && stream.match(/^\d+(?:[eE][+\-]?\d+)?/)) { + return ret("number", "number"); + } else if (ch == "." && stream.match("..")) { + return ret("spread", "meta"); + } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) { + return ret(ch); + } else if (ch == "=" && stream.eat(">")) { + return ret("=>", "operator"); + } else if (ch == "0" && stream.eat(/x/i)) { + stream.eatWhile(/[\da-f]/i); + return ret("number", "number"); + } else if (ch == "0" && stream.eat(/o/i)) { + stream.eatWhile(/[0-7]/i); + return ret("number", "number"); + } else if (ch == "0" && stream.eat(/b/i)) { + stream.eatWhile(/[01]/i); + return ret("number", "number"); + } else if (/\d/.test(ch)) { + stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/); + return ret("number", "number"); + } else if (ch == "/") { + if (stream.eat("*")) { + state.tokenize = tokenComment; + return tokenComment(stream, state); + } else if (stream.eat("/")) { + stream.skipToEnd(); + return ret("comment", "comment"); + } else if (expressionAllowed(stream, state, 1)) { + readRegexp(stream); + stream.match(/^\b(([gimyu])(?![gimyu]*\2))+\b/); + return ret("regexp", "string-2"); + } else { + stream.eatWhile(isOperatorChar); + return ret("operator", "operator", stream.current()); + } + } else if (ch == "`") { + state.tokenize = tokenQuasi; + return tokenQuasi(stream, state); + } else if (ch == "#") { + stream.skipToEnd(); + return ret("error", "error"); + } else if (isOperatorChar.test(ch)) { + stream.eatWhile(isOperatorChar); + return ret("operator", "operator", stream.current()); + } else if (wordRE.test(ch)) { + stream.eatWhile(wordRE); + var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word]; + return (known && state.lastType != ".") ? ret(known.type, known.style, word) : + ret("variable", "variable", word); + } + } + + function tokenString(quote) { + return function(stream, state) { + var escaped = false, next; + if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){ + state.tokenize = tokenBase; + return ret("jsonld-keyword", "meta"); + } + while ((next = stream.next()) != null) { + if (next == quote && !escaped) break; + escaped = !escaped && next == "\\"; + } + if (!escaped) state.tokenize = tokenBase; + return ret("string", "string"); + }; + } + + function tokenComment(stream, state) { + var maybeEnd = false, ch; + while (ch = stream.next()) { + if (ch == "/" && maybeEnd) { + state.tokenize = tokenBase; + break; + } + maybeEnd = (ch == "*"); + } + return ret("comment", "comment"); + } + + function tokenQuasi(stream, state) { + var escaped = false, next; + while ((next = stream.next()) != null) { + if (!escaped && (next == "`" || next == "$" && stream.eat("{"))) { + state.tokenize = tokenBase; + break; + } + escaped = !escaped && next == "\\"; + } + return ret("quasi", "string-2", stream.current()); + } + + var brackets = "([{}])"; + // This is a crude lookahead trick to try and notice that we're + // parsing the argument patterns for a fat-arrow function before we + // actually hit the arrow token. It only works if the arrow is on + // the same line as the arguments and there's no strange noise + // (comments) in between. Fallback is to only notice when we hit the + // arrow, and not declare the arguments as locals for the arrow + // body. + function findFatArrow(stream, state) { + if (state.fatArrowAt) state.fatArrowAt = null; + var arrow = stream.string.indexOf("=>", stream.start); + if (arrow < 0) return; + + var depth = 0, sawSomething = false; + for (var pos = arrow - 1; pos >= 0; --pos) { + var ch = stream.string.charAt(pos); + var bracket = brackets.indexOf(ch); + if (bracket >= 0 && bracket < 3) { + if (!depth) { ++pos; break; } + if (--depth == 0) break; + } else if (bracket >= 3 && bracket < 6) { + ++depth; + } else if (wordRE.test(ch)) { + sawSomething = true; + } else if (/["'\/]/.test(ch)) { + return; + } else if (sawSomething && !depth) { + ++pos; + break; + } + } + if (sawSomething && !depth) state.fatArrowAt = pos; + } + + // Parser + + var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true, "this": true, "jsonld-keyword": true}; + + function JSLexical(indented, column, type, align, prev, info) { + this.indented = indented; + this.column = column; + this.type = type; + this.prev = prev; + this.info = info; + if (align != null) this.align = align; + } + + function inScope(state, varname) { + for (var v = state.localVars; v; v = v.next) + if (v.name == varname) return true; + for (var cx = state.context; cx; cx = cx.prev) { + for (var v = cx.vars; v; v = v.next) + if (v.name == varname) return true; + } + } + + function parseJS(state, style, type, content, stream) { + var cc = state.cc; + // Communicate our context to the combinators. + // (Less wasteful than consing up a hundred closures on every call.) + cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style; + + if (!state.lexical.hasOwnProperty("align")) + state.lexical.align = true; + + while(true) { + var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement; + if (combinator(type, content)) { + while(cc.length && cc[cc.length - 1].lex) + cc.pop()(); + if (cx.marked) return cx.marked; + if (type == "variable" && inScope(state, content)) return "variable-2"; + return style; + } + } + } + + // Combinator utils + + var cx = {state: null, column: null, marked: null, cc: null}; + function pass() { + for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]); + } + function cont() { + pass.apply(null, arguments); + return true; + } + function register(varname) { + function inList(list) { + for (var v = list; v; v = v.next) + if (v.name == varname) return true; + return false; + } + var state = cx.state; + cx.marked = "def"; + if (state.context) { + if (inList(state.localVars)) return; + state.localVars = {name: varname, next: state.localVars}; + } else { + if (inList(state.globalVars)) return; + if (parserConfig.globalVars) + state.globalVars = {name: varname, next: state.globalVars}; + } + } + + // Combinators + + var defaultVars = {name: "this", next: {name: "arguments"}}; + function pushcontext() { + cx.state.context = {prev: cx.state.context, vars: cx.state.localVars}; + cx.state.localVars = defaultVars; + } + function popcontext() { + cx.state.localVars = cx.state.context.vars; + cx.state.context = cx.state.context.prev; + } + function pushlex(type, info) { + var result = function() { + var state = cx.state, indent = state.indented; + if (state.lexical.type == "stat") indent = state.lexical.indented; + else for (var outer = state.lexical; outer && outer.type == ")" && outer.align; outer = outer.prev) + indent = outer.indented; + state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info); + }; + result.lex = true; + return result; + } + function poplex() { + var state = cx.state; + if (state.lexical.prev) { + if (state.lexical.type == ")") + state.indented = state.lexical.indented; + state.lexical = state.lexical.prev; + } + } + poplex.lex = true; + + function expect(wanted) { + function exp(type) { + if (type == wanted) return cont(); + else if (wanted == ";") return pass(); + else return cont(exp); + }; + return exp; + } + + function statement(type, value) { + if (type == "var") return cont(pushlex("vardef", value.length), vardef, expect(";"), poplex); + if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex); + if (type == "keyword b") return cont(pushlex("form"), statement, poplex); + if (type == "{") return cont(pushlex("}"), block, poplex); + if (type == ";") return cont(); + if (type == "if") { + if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex) + cx.state.cc.pop()(); + return cont(pushlex("form"), expression, statement, poplex, maybeelse); + } + if (type == "function") return cont(functiondef); + if (type == "for") return cont(pushlex("form"), forspec, statement, poplex); + if (type == "variable") return cont(pushlex("stat"), maybelabel); + if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"), + block, poplex, poplex); + if (type == "case") return cont(expression, expect(":")); + if (type == "default") return cont(expect(":")); + if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"), + statement, poplex, popcontext); + if (type == "class") return cont(pushlex("form"), className, poplex); + if (type == "export") return cont(pushlex("stat"), afterExport, poplex); + if (type == "import") return cont(pushlex("stat"), afterImport, poplex); + if (type == "module") return cont(pushlex("form"), pattern, pushlex("}"), expect("{"), block, poplex, poplex) + return pass(pushlex("stat"), expression, expect(";"), poplex); + } + function expression(type) { + return expressionInner(type, false); + } + function expressionNoComma(type) { + return expressionInner(type, true); + } + function expressionInner(type, noComma) { + if (cx.state.fatArrowAt == cx.stream.start) { + var body = noComma ? arrowBodyNoComma : arrowBody; + if (type == "(") return cont(pushcontext, pushlex(")"), commasep(pattern, ")"), poplex, expect("=>"), body, popcontext); + else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext); + } + + var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma; + if (atomicTypes.hasOwnProperty(type)) return cont(maybeop); + if (type == "function") return cont(functiondef, maybeop); + if (type == "keyword c") return cont(noComma ? maybeexpressionNoComma : maybeexpression); + if (type == "(") return cont(pushlex(")"), maybeexpression, comprehension, expect(")"), poplex, maybeop); + if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression); + if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop); + if (type == "{") return contCommasep(objprop, "}", null, maybeop); + if (type == "quasi") return pass(quasi, maybeop); + if (type == "new") return cont(maybeTarget(noComma)); + return cont(); + } + function maybeexpression(type) { + if (type.match(/[;\}\)\],]/)) return pass(); + return pass(expression); + } + function maybeexpressionNoComma(type) { + if (type.match(/[;\}\)\],]/)) return pass(); + return pass(expressionNoComma); + } + + function maybeoperatorComma(type, value) { + if (type == ",") return cont(expression); + return maybeoperatorNoComma(type, value, false); + } + function maybeoperatorNoComma(type, value, noComma) { + var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma; + var expr = noComma == false ? expression : expressionNoComma; + if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext); + if (type == "operator") { + if (/\+\+|--/.test(value)) return cont(me); + if (value == "?") return cont(expression, expect(":"), expr); + return cont(expr); + } + if (type == "quasi") { return pass(quasi, me); } + if (type == ";") return; + if (type == "(") return contCommasep(expressionNoComma, ")", "call", me); + if (type == ".") return cont(property, me); + if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me); + } + function quasi(type, value) { + if (type != "quasi") return pass(); + if (value.slice(value.length - 2) != "${") return cont(quasi); + return cont(expression, continueQuasi); + } + function continueQuasi(type) { + if (type == "}") { + cx.marked = "string-2"; + cx.state.tokenize = tokenQuasi; + return cont(quasi); + } + } + function arrowBody(type) { + findFatArrow(cx.stream, cx.state); + return pass(type == "{" ? statement : expression); + } + function arrowBodyNoComma(type) { + findFatArrow(cx.stream, cx.state); + return pass(type == "{" ? statement : expressionNoComma); + } + function maybeTarget(noComma) { + return function(type) { + if (type == ".") return cont(noComma ? targetNoComma : target); + else return pass(noComma ? expressionNoComma : expression); + }; + } + function target(_, value) { + if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorComma); } + } + function targetNoComma(_, value) { + if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorNoComma); } + } + function maybelabel(type) { + if (type == ":") return cont(poplex, statement); + return pass(maybeoperatorComma, expect(";"), poplex); + } + function property(type) { + if (type == "variable") {cx.marked = "property"; return cont();} + } + function objprop(type, value) { + if (type == "variable" || cx.style == "keyword") { + cx.marked = "property"; + if (value == "get" || value == "set") return cont(getterSetter); + return cont(afterprop); + } else if (type == "number" || type == "string") { + cx.marked = jsonldMode ? "property" : (cx.style + " property"); + return cont(afterprop); + } else if (type == "jsonld-keyword") { + return cont(afterprop); + } else if (type == "modifier") { + return cont(objprop) + } else if (type == "[") { + return cont(expression, expect("]"), afterprop); + } else if (type == "spread") { + return cont(expression); + } + } + function getterSetter(type) { + if (type != "variable") return pass(afterprop); + cx.marked = "property"; + return cont(functiondef); + } + function afterprop(type) { + if (type == ":") return cont(expressionNoComma); + if (type == "(") return pass(functiondef); + } + function commasep(what, end) { + function proceed(type) { + if (type == ",") { + var lex = cx.state.lexical; + if (lex.info == "call") lex.pos = (lex.pos || 0) + 1; + return cont(what, proceed); + } + if (type == end) return cont(); + return cont(expect(end)); + } + return function(type) { + if (type == end) return cont(); + return pass(what, proceed); + }; + } + function contCommasep(what, end, info) { + for (var i = 3; i < arguments.length; i++) + cx.cc.push(arguments[i]); + return cont(pushlex(end, info), commasep(what, end), poplex); + } + function block(type) { + if (type == "}") return cont(); + return pass(statement, block); + } + function maybetype(type) { + if (isTS && type == ":") return cont(typedef); + } + function maybedefault(_, value) { + if (value == "=") return cont(expressionNoComma); + } + function typedef(type) { + if (type == "variable") {cx.marked = "variable-3"; return cont();} + } + function vardef() { + return pass(pattern, maybetype, maybeAssign, vardefCont); + } + function pattern(type, value) { + if (type == "modifier") return cont(pattern) + if (type == "variable") { register(value); return cont(); } + if (type == "spread") return cont(pattern); + if (type == "[") return contCommasep(pattern, "]"); + if (type == "{") return contCommasep(proppattern, "}"); + } + function proppattern(type, value) { + if (type == "variable" && !cx.stream.match(/^\s*:/, false)) { + register(value); + return cont(maybeAssign); + } + if (type == "variable") cx.marked = "property"; + if (type == "spread") return cont(pattern); + if (type == "}") return pass(); + return cont(expect(":"), pattern, maybeAssign); + } + function maybeAssign(_type, value) { + if (value == "=") return cont(expressionNoComma); + } + function vardefCont(type) { + if (type == ",") return cont(vardef); + } + function maybeelse(type, value) { + if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex); + } + function forspec(type) { + if (type == "(") return cont(pushlex(")"), forspec1, expect(")"), poplex); + } + function forspec1(type) { + if (type == "var") return cont(vardef, expect(";"), forspec2); + if (type == ";") return cont(forspec2); + if (type == "variable") return cont(formaybeinof); + return pass(expression, expect(";"), forspec2); + } + function formaybeinof(_type, value) { + if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); } + return cont(maybeoperatorComma, forspec2); + } + function forspec2(type, value) { + if (type == ";") return cont(forspec3); + if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); } + return pass(expression, expect(";"), forspec3); + } + function forspec3(type) { + if (type != ")") cont(expression); + } + function functiondef(type, value) { + if (value == "*") {cx.marked = "keyword"; return cont(functiondef);} + if (type == "variable") {register(value); return cont(functiondef);} + if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, statement, popcontext); + } + function funarg(type) { + if (type == "spread") return cont(funarg); + return pass(pattern, maybetype, maybedefault); + } + function className(type, value) { + if (type == "variable") {register(value); return cont(classNameAfter);} + } + function classNameAfter(type, value) { + if (value == "extends") return cont(expression, classNameAfter); + if (type == "{") return cont(pushlex("}"), classBody, poplex); + } + function classBody(type, value) { + if (type == "variable" || cx.style == "keyword") { + if (value == "static") { + cx.marked = "keyword"; + return cont(classBody); + } + cx.marked = "property"; + if (value == "get" || value == "set") return cont(classGetterSetter, functiondef, classBody); + return cont(functiondef, classBody); + } + if (value == "*") { + cx.marked = "keyword"; + return cont(classBody); + } + if (type == ";") return cont(classBody); + if (type == "}") return cont(); + } + function classGetterSetter(type) { + if (type != "variable") return pass(); + cx.marked = "property"; + return cont(); + } + function afterExport(_type, value) { + if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); } + if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); } + return pass(statement); + } + function afterImport(type) { + if (type == "string") return cont(); + return pass(importSpec, maybeFrom); + } + function importSpec(type, value) { + if (type == "{") return contCommasep(importSpec, "}"); + if (type == "variable") register(value); + if (value == "*") cx.marked = "keyword"; + return cont(maybeAs); + } + function maybeAs(_type, value) { + if (value == "as") { cx.marked = "keyword"; return cont(importSpec); } + } + function maybeFrom(_type, value) { + if (value == "from") { cx.marked = "keyword"; return cont(expression); } + } + function arrayLiteral(type) { + if (type == "]") return cont(); + return pass(expressionNoComma, maybeArrayComprehension); + } + function maybeArrayComprehension(type) { + if (type == "for") return pass(comprehension, expect("]")); + if (type == ",") return cont(commasep(maybeexpressionNoComma, "]")); + return pass(commasep(expressionNoComma, "]")); + } + function comprehension(type) { + if (type == "for") return cont(forspec, comprehension); + if (type == "if") return cont(expression, comprehension); + } + + function isContinuedStatement(state, textAfter) { + return state.lastType == "operator" || state.lastType == "," || + isOperatorChar.test(textAfter.charAt(0)) || + /[,.]/.test(textAfter.charAt(0)); + } + + // Interface + + return { + startState: function(basecolumn) { + var state = { + tokenize: tokenBase, + lastType: "sof", + cc: [], + lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false), + localVars: parserConfig.localVars, + context: parserConfig.localVars && {vars: parserConfig.localVars}, + indented: basecolumn || 0 + }; + if (parserConfig.globalVars && typeof parserConfig.globalVars == "object") + state.globalVars = parserConfig.globalVars; + return state; + }, + + token: function(stream, state) { + if (stream.sol()) { + if (!state.lexical.hasOwnProperty("align")) + state.lexical.align = false; + state.indented = stream.indentation(); + findFatArrow(stream, state); + } + if (state.tokenize != tokenComment && stream.eatSpace()) return null; + var style = state.tokenize(stream, state); + if (type == "comment") return style; + state.lastType = type == "operator" && (content == "++" || content == "--") ? "incdec" : type; + return parseJS(state, style, type, content, stream); + }, + + indent: function(state, textAfter) { + if (state.tokenize == tokenComment) return CodeMirror.Pass; + if (state.tokenize != tokenBase) return 0; + var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical; + // Kludge to prevent 'maybelse' from blocking lexical scope pops + if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) { + var c = state.cc[i]; + if (c == poplex) lexical = lexical.prev; + else if (c != maybeelse) break; + } + if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev; + if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat") + lexical = lexical.prev; + var type = lexical.type, closing = firstChar == type; + + if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info + 1 : 0); + else if (type == "form" && firstChar == "{") return lexical.indented; + else if (type == "form") return lexical.indented + indentUnit; + else if (type == "stat") + return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent || indentUnit : 0); + else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false) + return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit); + else if (lexical.align) return lexical.column + (closing ? 0 : 1); + else return lexical.indented + (closing ? 0 : indentUnit); + }, + + electricInput: /^\s*(?:case .*?:|default:|\{|\})$/, + blockCommentStart: jsonMode ? null : "/*", + blockCommentEnd: jsonMode ? null : "*/", + lineComment: jsonMode ? null : "//", + fold: "brace", + closeBrackets: "()[]{}''\"\"``", + + helperType: jsonMode ? "json" : "javascript", + jsonldMode: jsonldMode, + jsonMode: jsonMode, + + expressionAllowed: expressionAllowed, + skipExpression: function(state) { + var top = state.cc[state.cc.length - 1] + if (top == expression || top == expressionNoComma) state.cc.pop() + } + }; +}); + +CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/); + +CodeMirror.defineMIME("text/javascript", "javascript"); +CodeMirror.defineMIME("text/ecmascript", "javascript"); +CodeMirror.defineMIME("application/javascript", "javascript"); +CodeMirror.defineMIME("application/x-javascript", "javascript"); +CodeMirror.defineMIME("application/ecmascript", "javascript"); +CodeMirror.defineMIME("application/json", {name: "javascript", json: true}); +CodeMirror.defineMIME("application/x-json", {name: "javascript", json: true}); +CodeMirror.defineMIME("application/ld+json", {name: "javascript", jsonld: true}); +CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true }); +CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true }); + +}); diff --git a/interp/tracer/codemirror/lib/mllike.js b/interp/tracer/codemirror/lib/mllike.js new file mode 100644 index 00000000..bf0b8a67 --- /dev/null +++ b/interp/tracer/codemirror/lib/mllike.js @@ -0,0 +1,205 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { +"use strict"; + +CodeMirror.defineMode('mllike', function(_config, parserConfig) { + var words = { + 'let': 'keyword', + 'rec': 'keyword', + 'in': 'keyword', + 'of': 'keyword', + 'and': 'keyword', + 'if': 'keyword', + 'then': 'keyword', + 'else': 'keyword', + 'for': 'keyword', + 'to': 'keyword', + 'while': 'keyword', + 'do': 'keyword', + 'done': 'keyword', + 'fun': 'keyword', + 'function': 'keyword', + 'val': 'keyword', + 'type': 'keyword', + 'mutable': 'keyword', + 'match': 'keyword', + 'with': 'keyword', + 'try': 'keyword', + 'open': 'builtin', + 'ignore': 'builtin', + 'begin': 'keyword', + 'end': 'keyword' + }; + + var extraWords = parserConfig.extraWords || {}; + for (var prop in extraWords) { + if (extraWords.hasOwnProperty(prop)) { + words[prop] = parserConfig.extraWords[prop]; + } + } + + function tokenBase(stream, state) { + var ch = stream.next(); + + if (ch === '"') { + state.tokenize = tokenString; + return state.tokenize(stream, state); + } + if (ch === '(') { + if (stream.eat('*')) { + state.commentLevel++; + state.tokenize = tokenComment; + return state.tokenize(stream, state); + } + } + if (ch === '~') { + stream.eatWhile(/\w/); + return 'variable-2'; + } + if (ch === '`') { + stream.eatWhile(/\w/); + return 'quote'; + } + if (ch === '/' && parserConfig.slashComments && stream.eat('/')) { + stream.skipToEnd(); + return 'comment'; + } + if (/\d/.test(ch)) { + stream.eatWhile(/[\d]/); + if (stream.eat('.')) { + stream.eatWhile(/[\d]/); + } + return 'number'; + } + if ( /[+\-*&%=<>!?|]/.test(ch)) { + return 'operator'; + } + stream.eatWhile(/\w/); + var cur = stream.current(); + return words.hasOwnProperty(cur) ? words[cur] : 'variable'; + } + + function tokenString(stream, state) { + var next, end = false, escaped = false; + while ((next = stream.next()) != null) { + if (next === '"' && !escaped) { + end = true; + break; + } + escaped = !escaped && next === '\\'; + } + if (end && !escaped) { + state.tokenize = tokenBase; + } + return 'string'; + }; + + function tokenComment(stream, state) { + var prev, next; + while(state.commentLevel > 0 && (next = stream.next()) != null) { + if (prev === '(' && next === '*') state.commentLevel++; + if (prev === '*' && next === ')') state.commentLevel--; + prev = next; + } + if (state.commentLevel <= 0) { + state.tokenize = tokenBase; + } + return 'comment'; + } + + return { + startState: function() {return {tokenize: tokenBase, commentLevel: 0};}, + token: function(stream, state) { + if (stream.eatSpace()) return null; + return state.tokenize(stream, state); + }, + + blockCommentStart: "(*", + blockCommentEnd: "*)", + lineComment: parserConfig.slashComments ? "//" : null + }; +}); + +CodeMirror.defineMIME('text/x-ocaml', { + name: 'mllike', + extraWords: { + 'succ': 'keyword', + 'trace': 'builtin', + 'exit': 'builtin', + 'print_string': 'builtin', + 'print_endline': 'builtin', + 'true': 'atom', + 'false': 'atom', + 'raise': 'keyword' + } +}); + +CodeMirror.defineMIME('text/x-fsharp', { + name: 'mllike', + extraWords: { + 'abstract': 'keyword', + 'as': 'keyword', + 'assert': 'keyword', + 'base': 'keyword', + 'class': 'keyword', + 'default': 'keyword', + 'delegate': 'keyword', + 'downcast': 'keyword', + 'downto': 'keyword', + 'elif': 'keyword', + 'exception': 'keyword', + 'extern': 'keyword', + 'finally': 'keyword', + 'global': 'keyword', + 'inherit': 'keyword', + 'inline': 'keyword', + 'interface': 'keyword', + 'internal': 'keyword', + 'lazy': 'keyword', + 'let!': 'keyword', + 'member' : 'keyword', + 'module': 'keyword', + 'namespace': 'keyword', + 'new': 'keyword', + 'null': 'keyword', + 'override': 'keyword', + 'private': 'keyword', + 'public': 'keyword', + 'return': 'keyword', + 'return!': 'keyword', + 'select': 'keyword', + 'static': 'keyword', + 'struct': 'keyword', + 'upcast': 'keyword', + 'use': 'keyword', + 'use!': 'keyword', + 'val': 'keyword', + 'when': 'keyword', + 'yield': 'keyword', + 'yield!': 'keyword', + + 'List': 'builtin', + 'Seq': 'builtin', + 'Map': 'builtin', + 'Set': 'builtin', + 'int': 'builtin', + 'string': 'builtin', + 'raise': 'builtin', + 'failwith': 'builtin', + 'not': 'builtin', + 'true': 'builtin', + 'false': 'builtin' + }, + slashComments: true +}); + +}); From ef65120d5eaff00d62071ab56ea8ff5718fe4eb2 Mon Sep 17 00:00:00 2001 From: Thomas Wood Date: Wed, 18 May 2016 14:32:37 +0100 Subject: [PATCH 15/22] .gitlab-ci.yml: Install git-sync webhook task [AUTO][ci skip] --- .gitlab-ci.yml | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 .gitlab-ci.yml diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml new file mode 100644 index 00000000..e26a9f4b --- /dev/null +++ b/.gitlab-ci.yml @@ -0,0 +1,9 @@ +--- +git-sync: + script: + - eval `ssh-agent` + - echo "$PUSH_KEY" | ssh-add - + - git sync-remote git@github.com:resource-reasoning/jscert_dev.git git@gitlab.doc.ic.ac.uk:resource-reasoning/jscert_dev.git + - ssh-agent -k + only: + - triggers From 334ae1c4e8772f07cfb1f6c33e444ffc16923d52 Mon Sep 17 00:00:00 2001 From: Martin Bodin Date: Sun, 28 Aug 2016 10:44:05 +0200 Subject: [PATCH 16/22] Hush. --- .gitignore | 5 ++++- README.org | 2 +- coq/.gitignore | 1 + tests/jstests.js | 2 +- 4 files changed, 7 insertions(+), 3 deletions(-) diff --git a/.gitignore b/.gitignore index 7b9ffae4..4cb5c6ed 100644 --- a/.gitignore +++ b/.gitignore @@ -22,9 +22,12 @@ report /test_reports/* *~ +*# trace.log /coq/#JsPrettyRules.v# .tern-port -/jsjsref/miniml/generator/tests/jsref/lineof.js \ No newline at end of file + +proof.patched + diff --git a/README.org b/README.org index 82fc309e..e9bb2d36 100644 --- a/README.org +++ b/README.org @@ -18,7 +18,7 @@ You can get the latest source from [[https://github.com/jscert/jscert][here]]. JSCert depends on: - - Coq + - Coq (version 8.4.6) - OCaml (version 4 or above minimum, 4.02 or above for all optional features to build) - Java (for the parser) diff --git a/coq/.gitignore b/coq/.gitignore index 5236e1e4..406ef253 100644 --- a/coq/.gitignore +++ b/coq/.gitignore @@ -1,2 +1,3 @@ *~ +.*.aux diff --git a/tests/jstests.js b/tests/jstests.js index 967e62b8..78447ca3 100644 --- a/tests/jstests.js +++ b/tests/jstests.js @@ -1,4 +1,4 @@ -% SERGIO: some of these rely on features we don't have yet, but it's useful to keep them around else I'l forget. +% SERGIO: some of these rely on features we don't have yet, but it's useful to keep them around else I'll forget. % APLAS 08 From cce9fb270c451e114919cb877826034138df1883 Mon Sep 17 00:00:00 2001 From: Martin Bodin Date: Sun, 28 Aug 2016 11:15:53 +0200 Subject: [PATCH 17/22] JSCert is no longer compatible with the most recent version of Coq. Updating the Makefile. --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index 58875fb1..3ea36d5b 100644 --- a/Makefile +++ b/Makefile @@ -123,7 +123,7 @@ tags: $(JS_SRC) .PHONY: install_depend install_optional_depend install_depend: # Install coq if required - if ! which $(COQC); then opam install -y coq; fi + if ! which $(COQC); then opam pin add coq 8.4.6; opam install -y coq; fi opam install -y xml-light ocamlfind yojson install_optional_depend: install_depend From cf4dc5c921d429490407eba2312a9053a275ef14 Mon Sep 17 00:00:00 2001 From: Thomas Wood Date: Tue, 4 Oct 2016 16:25:44 +0200 Subject: [PATCH 18/22] Tweak gitlab-ci script [ci skip] --- .gitlab-ci.yml | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml index e26a9f4b..42843d0e 100644 --- a/.gitlab-ci.yml +++ b/.gitlab-ci.yml @@ -1,5 +1,9 @@ ---- +stages: + - test + - Git Sync + git-sync: + stage: Git Sync script: - eval `ssh-agent` - echo "$PUSH_KEY" | ssh-add - From 30ecbb187ae5edd2f762d9cafc38f232b9312b2c Mon Sep 17 00:00:00 2001 From: Thomas Wood Date: Mon, 7 Nov 2016 15:58:44 +0100 Subject: [PATCH 19/22] Fix wrong result error type, introduced by b5504e0 --- coq/JsInterpreterExtraction.v | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/coq/JsInterpreterExtraction.v b/coq/JsInterpreterExtraction.v index b04d1f9f..178df1cf 100644 --- a/coq/JsInterpreterExtraction.v +++ b/coq/JsInterpreterExtraction.v @@ -232,7 +232,7 @@ Extract Constant parse_pickable => "(fun s strict -> (* Debugging *) -Extract Inlined Constant not_yet_implemented_because => "(fun s -> Debug.not_yet_implemented_because __LOC__ s; Coq_result_impossible)". +Extract Inlined Constant not_yet_implemented_because => "(fun s -> Debug.not_yet_implemented_because __LOC__ s; Coq_result_not_yet_implemented)". Extract Inlined Constant impossible_because => "(fun s -> Debug.impossible_because __LOC__ s; Coq_result_impossible)". Extract Inlined Constant impossible_with_heap_because => "(fun s m -> Debug.impossible_with_heap_because __LOC__ s m; Coq_result_impossible)". From 68fa05007456e37d84498b2ab6bab9963ca83f09 Mon Sep 17 00:00:00 2001 From: Thomas Wood Date: Tue, 8 Nov 2016 15:49:42 +0100 Subject: [PATCH 20/22] jsjsref has moved to https://github.com/jscert/jsexplain [ci skip] --- jsjsref.README | 1 + 1 file changed, 1 insertion(+) create mode 100644 jsjsref.README diff --git a/jsjsref.README b/jsjsref.README new file mode 100644 index 00000000..8e1af476 --- /dev/null +++ b/jsjsref.README @@ -0,0 +1 @@ +jsjsref has been moved to https://github.com/jscert/jsexplain From 4e6636d874f80212188e9d4147c7bb3ea91390fa Mon Sep 17 00:00:00 2001 From: Thomas Wood Date: Thu, 17 Nov 2016 19:03:06 +0100 Subject: [PATCH 21/22] Move string_of_prealloc from JsInterpreter to JsSyntaxAux. --- coq/JsInterpreter.v | 76 ------------------------------------------- coq/JsSyntaxAux.v | 78 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 78 insertions(+), 76 deletions(-) diff --git a/coq/JsInterpreter.v b/coq/JsInterpreter.v index 890b8925..71bc3662 100644 --- a/coq/JsInterpreter.v +++ b/coq/JsInterpreter.v @@ -999,82 +999,6 @@ Fixpoint array_args_map_loop runs S C l args ind : result_void := | nil => res_void S end. -Definition string_of_prealloc (B : prealloc) : string := -match B with - | prealloc_global => "global" - | prealloc_global_eval => "global_eval" - | prealloc_global_parse_int => "global_parse_int" - | prealloc_global_parse_float => "global_parse_float" - | prealloc_global_is_finite => "global_is_finite" - | prealloc_global_is_nan => "global_is_nan" - | prealloc_global_decode_uri => "global_decode_uri" - | prealloc_global_decode_uri_component => "global_decode_uri_component" - | prealloc_global_encode_uri => "global_encode_uri" - | prealloc_global_encode_uri_component => "global_encode_uri_component" - | prealloc_object => "object" - | prealloc_object_get_proto_of => "object_get_proto_of" - | prealloc_object_get_own_prop_descriptor => "object_get_own_prop_descriptor" - | prealloc_object_get_own_prop_name => "object_get_own_prop_name" - | prealloc_object_create => "object_create" - | prealloc_object_define_prop => "object_define_prop" - | prealloc_object_define_props => "object_define_props" - | prealloc_object_seal => "object_seal" - | prealloc_object_freeze => "object_freeze" - | prealloc_object_prevent_extensions => "object_prevent_extensions" - | prealloc_object_is_sealed => "object_is_sealed" - | prealloc_object_is_frozen => "object_is_frozen" - | prealloc_object_is_extensible => "object_is_extensible" - | prealloc_object_keys => "object_keys" - | prealloc_object_keys_call => "object_keys_call" - | prealloc_object_proto => "object_proto_" - | prealloc_object_proto_to_string => "object_proto_to_string" - | prealloc_object_proto_value_of => "object_proto_value_of" - | prealloc_object_proto_has_own_prop => "object_proto_has_own_prop" - | prealloc_object_proto_is_prototype_of => "object_proto_is_prototype_of" - | prealloc_object_proto_prop_is_enumerable => "object_proto_prop_is_enumerable" - | prealloc_function => "function" - | prealloc_function_proto => "function_proto" - | prealloc_function_proto_to_string => "function_proto_to_string" - | prealloc_function_proto_apply => "function_proto_apply" - | prealloc_function_proto_call => "function_proto_call" - | prealloc_function_proto_bind => "function_proto_bind" - | prealloc_bool => "bool" - | prealloc_bool_proto => "bool_proto" - | prealloc_bool_proto_to_string => "bool_proto_to_string" - | prealloc_bool_proto_value_of => "bool_proto_value_of" - | prealloc_number => "number" - | prealloc_number_proto => "number_proto" - | prealloc_number_proto_to_string => "number_proto_to_string" - | prealloc_number_proto_value_of => "number_proto_value_of" - | prealloc_number_proto_to_fixed => "number_proto_to_fixed" - | prealloc_number_proto_to_exponential => "number_proto_to_exponential" - | prealloc_number_proto_to_precision=> "number_proto_to_precision" - | prealloc_array => "array" - | prealloc_array_is_array => "array_is_array" - | prealloc_array_proto => "array_proto" - | prealloc_array_proto_to_string => "array_proto_to_string" - | prealloc_array_proto_join => "array_proto_join" - | prealloc_array_proto_pop => "array_proto_pop" - | prealloc_array_proto_push => "array_proto_push" - | prealloc_string => "string" - | prealloc_string_proto => "string_proto" - | prealloc_string_proto_to_string => "string_proto_to_string" - | prealloc_string_proto_value_of => "string_proto_value_of" - | prealloc_string_proto_char_at => "string_proto_char_at" - | prealloc_string_proto_char_code_at=> "string_proto_char_code_at" - | prealloc_math => "math" - | prealloc_mathop _ => "mathop" - | prealloc_date => "date" - | prealloc_regexp => "regexp" - | prealloc_error => "error" - | prealloc_error_proto => "error_proto" - | prealloc_native_error _ => "native_error" - | prealloc_native_error_proto _ => "native_error_proto" - | prealloc_error_proto_to_string => "error_proto_to_string" - | prealloc_throw_type_error => "throw_type_error" - | prealloc_json => "json" -end. - Definition run_construct_prealloc runs S C B (args : list value) : result := match B with diff --git a/coq/JsSyntaxAux.v b/coq/JsSyntaxAux.v index 79547b6f..2b3f7aa1 100644 --- a/coq/JsSyntaxAux.v +++ b/coq/JsSyntaxAux.v @@ -1,6 +1,7 @@ Set Implicit Arguments. Require Import LibLogic LibHeap. Require Export JsSyntax. +Open Scope string_scope. Implicit Type l : object_loc. Implicit Type rt : restype. @@ -296,6 +297,83 @@ Proof. destruct x; destruct y; simpls; iff; tryfalse; auto~; rew_refl in *; congruence. Qed. +(* for debugging *) +Definition string_of_prealloc (B : prealloc) : string := +match B with + | prealloc_global => "global" + | prealloc_global_eval => "global_eval" + | prealloc_global_parse_int => "global_parse_int" + | prealloc_global_parse_float => "global_parse_float" + | prealloc_global_is_finite => "global_is_finite" + | prealloc_global_is_nan => "global_is_nan" + | prealloc_global_decode_uri => "global_decode_uri" + | prealloc_global_decode_uri_component => "global_decode_uri_component" + | prealloc_global_encode_uri => "global_encode_uri" + | prealloc_global_encode_uri_component => "global_encode_uri_component" + | prealloc_object => "object" + | prealloc_object_get_proto_of => "object_get_proto_of" + | prealloc_object_get_own_prop_descriptor => "object_get_own_prop_descriptor" + | prealloc_object_get_own_prop_name => "object_get_own_prop_name" + | prealloc_object_create => "object_create" + | prealloc_object_define_prop => "object_define_prop" + | prealloc_object_define_props => "object_define_props" + | prealloc_object_seal => "object_seal" + | prealloc_object_freeze => "object_freeze" + | prealloc_object_prevent_extensions => "object_prevent_extensions" + | prealloc_object_is_sealed => "object_is_sealed" + | prealloc_object_is_frozen => "object_is_frozen" + | prealloc_object_is_extensible => "object_is_extensible" + | prealloc_object_keys => "object_keys" + | prealloc_object_keys_call => "object_keys_call" + | prealloc_object_proto => "object_proto_" + | prealloc_object_proto_to_string => "object_proto_to_string" + | prealloc_object_proto_value_of => "object_proto_value_of" + | prealloc_object_proto_has_own_prop => "object_proto_has_own_prop" + | prealloc_object_proto_is_prototype_of => "object_proto_is_prototype_of" + | prealloc_object_proto_prop_is_enumerable => "object_proto_prop_is_enumerable" + | prealloc_function => "function" + | prealloc_function_proto => "function_proto" + | prealloc_function_proto_to_string => "function_proto_to_string" + | prealloc_function_proto_apply => "function_proto_apply" + | prealloc_function_proto_call => "function_proto_call" + | prealloc_function_proto_bind => "function_proto_bind" + | prealloc_bool => "bool" + | prealloc_bool_proto => "bool_proto" + | prealloc_bool_proto_to_string => "bool_proto_to_string" + | prealloc_bool_proto_value_of => "bool_proto_value_of" + | prealloc_number => "number" + | prealloc_number_proto => "number_proto" + | prealloc_number_proto_to_string => "number_proto_to_string" + | prealloc_number_proto_value_of => "number_proto_value_of" + | prealloc_number_proto_to_fixed => "number_proto_to_fixed" + | prealloc_number_proto_to_exponential => "number_proto_to_exponential" + | prealloc_number_proto_to_precision=> "number_proto_to_precision" + | prealloc_array => "array" + | prealloc_array_is_array => "array_is_array" + | prealloc_array_proto => "array_proto" + | prealloc_array_proto_to_string => "array_proto_to_string" + | prealloc_array_proto_join => "array_proto_join" + | prealloc_array_proto_pop => "array_proto_pop" + | prealloc_array_proto_push => "array_proto_push" + | prealloc_string => "string" + | prealloc_string_proto => "string_proto" + | prealloc_string_proto_to_string => "string_proto_to_string" + | prealloc_string_proto_value_of => "string_proto_value_of" + | prealloc_string_proto_char_at => "string_proto_char_at" + | prealloc_string_proto_char_code_at=> "string_proto_char_code_at" + | prealloc_math => "math" + | prealloc_mathop _ => "mathop" + | prealloc_date => "date" + | prealloc_regexp => "regexp" + | prealloc_error => "error" + | prealloc_error_proto => "error_proto" + | prealloc_native_error _ => "native_error" + | prealloc_native_error_proto _ => "native_error_proto" + | prealloc_error_proto_to_string => "error_proto_to_string" + | prealloc_throw_type_error => "throw_type_error" + | prealloc_json => "json" +end. + (**************************************************************) (** ** Type [object_loc] *) From 2fbe1536c1d244e3de6c15d8d31d51a76890c359 Mon Sep 17 00:00:00 2001 From: Thomas Wood Date: Wed, 14 Dec 2016 01:23:51 +0100 Subject: [PATCH 22/22] Nuke Tracer mode. See jscert/jsexplain instead. --- Makefile | 17 - interp/_tags | 6 +- interp/tracer/.gitignore | 6 - interp/tracer/Makefile | 8 - interp/tracer/README | 21 - interp/tracer/annotml/.gitignore | 12 - interp/tracer/annotml/Makefile | 15 - interp/tracer/annotml/README | 9 - interp/tracer/annotml/_tags | 2 - interp/tracer/annotml/myPrint.ml | 13 - interp/tracer/annotml/ppx_lines.ml | 39 - interp/tracer/annotml/test/bar.ml | 1 - interp/tracer/annotml/test/foo.ml | 3 - interp/tracer/annotml/trace.log | 10 - interp/tracer/codemirror/lib/codemirror.css | 338 - interp/tracer/codemirror/lib/codemirror.js | 8898 ------- interp/tracer/codemirror/lib/javascript.js | 742 - interp/tracer/codemirror/lib/mllike.js | 205 - interp/tracer/codemirror_ocaml.js | 116 - interp/tracer/demo_trace.js | 16 - interp/tracer/generate.ml | 46 - interp/tracer/jquery-2.1.1.min.js | 4 - interp/tracer/navig.html | 223 - interp/tracer/trace.js | 24442 ------------------ 24 files changed, 1 insertion(+), 35191 deletions(-) delete mode 100644 interp/tracer/.gitignore delete mode 100644 interp/tracer/Makefile delete mode 100644 interp/tracer/README delete mode 100644 interp/tracer/annotml/.gitignore delete mode 100644 interp/tracer/annotml/Makefile delete mode 100644 interp/tracer/annotml/README delete mode 100644 interp/tracer/annotml/_tags delete mode 100644 interp/tracer/annotml/myPrint.ml delete mode 100644 interp/tracer/annotml/ppx_lines.ml delete mode 100644 interp/tracer/annotml/test/bar.ml delete mode 100644 interp/tracer/annotml/test/foo.ml delete mode 100644 interp/tracer/annotml/trace.log delete mode 100644 interp/tracer/codemirror/lib/codemirror.css delete mode 100644 interp/tracer/codemirror/lib/codemirror.js delete mode 100644 interp/tracer/codemirror/lib/javascript.js delete mode 100644 interp/tracer/codemirror/lib/mllike.js delete mode 100644 interp/tracer/codemirror_ocaml.js delete mode 100644 interp/tracer/demo_trace.js delete mode 100644 interp/tracer/generate.ml delete mode 100644 interp/tracer/jquery-2.1.1.min.js delete mode 100644 interp/tracer/navig.html delete mode 100644 interp/tracer/trace.js diff --git a/Makefile b/Makefile index 7af30209..9a4c3000 100644 --- a/Makefile +++ b/Makefile @@ -271,22 +271,6 @@ interp/run_jsbisect.native: interp/src/extract/JsInterpreterBisect.ml # interp/run_jsbisect is an implicit rule -####################################################### -# Tracing version of the interpreter - -interp/tracer/annotml/ppx_lines.native: - $(MAKE) -C interp/tracer/annotml ppx_lines.native - -interp/src/extract/JsInterpreterTrace.ml: interp/src/extract/JsInterpreter.ml extract_interpreter - cp $< $@ - -interp/src/run_jstrace.ml: interp/src/run_js.ml - perl -pe 's/JsInterpreter\./JsInterpreterTrace\./g' $< > $@ - -interp/run_jstrace.native: interp/src/extract/JsInterpreterTrace.ml interp/tracer/annotml/ppx_lines.native - -# interp/run_jstrace is an implicit rule - ####################################################### # Interpreter run helpers .PHONY: run_tests run_tests_spidermonkey run_tests_lambdaS5 run_tests_nodejs @@ -314,7 +298,6 @@ clean_interp: -rm -f interp/run_jsbisect interp/src/run_jsbisect.ml -rm -f interp/run_jstrace interp/src/run_jstrace.ml cd interp && $(OCAMLBUILD) -quiet -clean - $(MAKE) -C interp/tracer/annotml clean clean: clean_interp -rm -f coq/*.{vo,glob,d} diff --git a/interp/_tags b/interp/_tags index efab06a7..65c3e2e5 100644 --- a/interp/_tags +++ b/interp/_tags @@ -1,15 +1,11 @@ true: package(xml-light), package(yojson), use_unix, use_str # Source directories to use - or or or or : include + or or or : include <**/*[bB]isect*>: package(bisect), -use_str # Only enable bisect logging for the interpreter toplevel "src/extract/JsInterpreterBisect.ml": syntax(camlp4o) -# ppx path is relative to _build directory -# ppx warnings can be ignored on ocaml versions <4.02 -"src/extract/JsInterpreterTrace.ml": ppx(../tracer/annotml/ppx_lines.native) - "top_level/toplwt.ml": syntax(camlp4o), package(lwt.syntax), package(lwt.simple-top), package(lwt) diff --git a/interp/tracer/.gitignore b/interp/tracer/.gitignore deleted file mode 100644 index d798eeab..00000000 --- a/interp/tracer/.gitignore +++ /dev/null @@ -1,6 +0,0 @@ -*~ - -*.cmi -*.cmo -*.out - diff --git a/interp/tracer/Makefile b/interp/tracer/Makefile deleted file mode 100644 index d772d224..00000000 --- a/interp/tracer/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -generate.out: generate.ml - ocamlc str.cma generate.ml -o $@ - -trace.js: annotml/trace.log generate.out - ./generate.out $< $@ annotml/test/bar.ml annotml/test/foo.ml - -view: navig.html trace.js - chromium-browser $< diff --git a/interp/tracer/README b/interp/tracer/README deleted file mode 100644 index 8ff20836..00000000 --- a/interp/tracer/README +++ /dev/null @@ -1,21 +0,0 @@ -To compile the tracer code, you need to do the following. - -- switch to ocaml 4.02 - opam switch 4.02.1 - eval `opam config env` -- build the tracer - make interp/run_jstrace - -If you run this program (with arguments identical to those of run_js), -it generates a trace.log file. - -To use it, you need to transform it in the correct JavaScript -environment. - - cd tracer - make generate.out - cd ../.. - interp/tracer/generate.out interp/tracer/trace.log interp/tracer/trace.js interp/src/extract/JsInterpreterTrace.ml - -You can then open the file navig.html in tracer and follow the -instructions there. diff --git a/interp/tracer/annotml/.gitignore b/interp/tracer/annotml/.gitignore deleted file mode 100644 index d4931f53..00000000 --- a/interp/tracer/annotml/.gitignore +++ /dev/null @@ -1,12 +0,0 @@ -a.out -*.cmi -*.cmo -ppx_lines.native -*.o -test/a.out -test/*.cmo -test/*.cmi -testFoo -*.cmx -*.native -_build diff --git a/interp/tracer/annotml/Makefile b/interp/tracer/annotml/Makefile deleted file mode 100644 index e60d185b..00000000 --- a/interp/tracer/annotml/Makefile +++ /dev/null @@ -1,15 +0,0 @@ -OCAMLBUILD=ocamlbuild -use-ocamlfind - -ppx_lines.native: ppx_lines.ml - $(OCAMLBUILD) $@ - -foo.native: ppx_lines.native myPrint.ml test/foo.ml test/bar.ml - $(OCAMLBUILD) test/$@ - -tests: foo.native - ./foo.native - -clean: - $(OCAMLBUILD) -clean -quiet - -.PHONY: tests clean diff --git a/interp/tracer/annotml/README b/interp/tracer/annotml/README deleted file mode 100644 index 073e6091..00000000 --- a/interp/tracer/annotml/README +++ /dev/null @@ -1,9 +0,0 @@ -To compile, one needs ocaml 4.02. Right now the simplest way to install it is through - opam switch 4.02.0+trunk - opam install ocamlfind - -To switch back to your previous ocaml, you can type - opam switch -to see the list of installed compilers. - -Many thanks to http://whitequark.org/blog/2014/04/16/a-guide-to-extension-points-in-ocaml/ \ No newline at end of file diff --git a/interp/tracer/annotml/_tags b/interp/tracer/annotml/_tags deleted file mode 100644 index 6b1e8232..00000000 --- a/interp/tracer/annotml/_tags +++ /dev/null @@ -1,2 +0,0 @@ -: package(compiler-libs.common) -: ppx(./ppx_lines.native) diff --git a/interp/tracer/annotml/myPrint.ml b/interp/tracer/annotml/myPrint.ml deleted file mode 100644 index 2e44791f..00000000 --- a/interp/tracer/annotml/myPrint.ml +++ /dev/null @@ -1,13 +0,0 @@ -let fname = "trace.log" - -let outf = open_out fname - -let log ltype = - Printf.fprintf outf - "{type: '%s', file: '%s', start_line: %d, start_col: %d, end_line: %d, end_col: %d},\n" - ltype - -let enter_call = log "enter_call" -let exit_call = log "exit_call" - -let () = at_exit (fun () -> close_out outf) diff --git a/interp/tracer/annotml/ppx_lines.ml b/interp/tracer/annotml/ppx_lines.ml deleted file mode 100644 index 6e95eb51..00000000 --- a/interp/tracer/annotml/ppx_lines.ml +++ /dev/null @@ -1,39 +0,0 @@ -open Ast_mapper -open Ast_helper -open Asttypes -open Parsetree -open Longident -open Location - -let resname = "__res__" - -let arg_from_loc loc = - let f,ls,cs = get_pos_info loc.loc_start in - let _,le,ce = get_pos_info loc.loc_end in - ["", Exp.constant (Const_string (f,None)); - "", Exp.constant (Const_int ls); - "", Exp.constant (Const_int cs); - "", Exp.constant (Const_int le); - "", Exp.constant (Const_int ce)] - -let rec map_expr default mapper expr = - match expr with - | {pexp_desc = Pexp_apply (f, el); pexp_loc = loc} -> - let orig_expr = - (Exp.apply ~loc f (List.map (fun (l,e) -> l, map_expr default mapper e) el)) in - Exp.sequence ~loc - (Exp.apply ~loc - (Exp.ident (mknoloc (Longident.parse "MyPrint.enter_call"))) - (arg_from_loc loc)) - (Exp.let_ Nonrecursive [Vb.mk (Pat.var (mknoloc resname)) orig_expr] - (Exp.sequence ~loc - (Exp.apply ~loc - (Exp.ident (mknoloc (Longident.parse "MyPrint.exit_call"))) - (arg_from_loc loc)) - (Exp.ident (mknoloc (Lident resname))))) - | x -> default.expr mapper x - -let test_mapper argv = - { default_mapper with expr = map_expr default_mapper; } - -let () = run_main test_mapper diff --git a/interp/tracer/annotml/test/bar.ml b/interp/tracer/annotml/test/bar.ml deleted file mode 100644 index 3137c735..00000000 --- a/interp/tracer/annotml/test/bar.ml +++ /dev/null @@ -1 +0,0 @@ -let g y = 2 * y diff --git a/interp/tracer/annotml/test/foo.ml b/interp/tracer/annotml/test/foo.ml deleted file mode 100644 index 4545465c..00000000 --- a/interp/tracer/annotml/test/foo.ml +++ /dev/null @@ -1,3 +0,0 @@ -let f x = x + 1 in -let res = List.map string_of_int [1;2;3] in -f (Bar.g 2) diff --git a/interp/tracer/annotml/trace.log b/interp/tracer/annotml/trace.log deleted file mode 100644 index 6460ea52..00000000 --- a/interp/tracer/annotml/trace.log +++ /dev/null @@ -1,10 +0,0 @@ -{type: 'enter_call', file: 'test/foo.ml', start_line: 2, start_col: 10, end_line: 2, end_col: 40}, -{type: 'exit_call', file: 'test/foo.ml', start_line: 2, start_col: 10, end_line: 2, end_col: 40}, -{type: 'enter_call', file: 'test/foo.ml', start_line: 3, start_col: 0, end_line: 3, end_col: 11}, -{type: 'enter_call', file: 'test/foo.ml', start_line: 3, start_col: 2, end_line: 3, end_col: 11}, -{type: 'enter_call', file: 'test/bar.ml', start_line: 1, start_col: 10, end_line: 1, end_col: 15}, -{type: 'exit_call', file: 'test/bar.ml', start_line: 1, start_col: 10, end_line: 1, end_col: 15}, -{type: 'exit_call', file: 'test/foo.ml', start_line: 3, start_col: 2, end_line: 3, end_col: 11}, -{type: 'enter_call', file: 'test/foo.ml', start_line: 1, start_col: 10, end_line: 1, end_col: 15}, -{type: 'exit_call', file: 'test/foo.ml', start_line: 1, start_col: 10, end_line: 1, end_col: 15}, -{type: 'exit_call', file: 'test/foo.ml', start_line: 3, start_col: 0, end_line: 3, end_col: 11}, diff --git a/interp/tracer/codemirror/lib/codemirror.css b/interp/tracer/codemirror/lib/codemirror.css deleted file mode 100644 index 1cf66a9f..00000000 --- a/interp/tracer/codemirror/lib/codemirror.css +++ /dev/null @@ -1,338 +0,0 @@ -/* BASICS */ - -.CodeMirror { - /* Set height, width, borders, and global font properties here */ - font-family: monospace; - height: 300px; - color: black; -} - -/* PADDING */ - -.CodeMirror-lines { - padding: 4px 0; /* Vertical padding around content */ -} -.CodeMirror pre { - padding: 0 4px; /* Horizontal padding of content */ -} - -.CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler { - background-color: white; /* The little square between H and V scrollbars */ -} - -/* GUTTER */ - -.CodeMirror-gutters { - border-right: 1px solid #ddd; - background-color: #f7f7f7; - white-space: nowrap; -} -.CodeMirror-linenumbers {} -.CodeMirror-linenumber { - padding: 0 3px 0 5px; - min-width: 20px; - text-align: right; - color: #999; - white-space: nowrap; -} - -.CodeMirror-guttermarker { color: black; } -.CodeMirror-guttermarker-subtle { color: #999; } - -/* CURSOR */ - -.CodeMirror-cursor { - border-left: 1px solid black; - border-right: none; - width: 0; -} -/* Shown when moving in bi-directional text */ -.CodeMirror div.CodeMirror-secondarycursor { - border-left: 1px solid silver; -} -.cm-fat-cursor .CodeMirror-cursor { - width: auto; - border: 0; - background: #7e7; -} -.cm-fat-cursor div.CodeMirror-cursors { - z-index: 1; -} - -.cm-animate-fat-cursor { - width: auto; - border: 0; - -webkit-animation: blink 1.06s steps(1) infinite; - -moz-animation: blink 1.06s steps(1) infinite; - animation: blink 1.06s steps(1) infinite; - background-color: #7e7; -} -@-moz-keyframes blink { - 0% {} - 50% { background-color: transparent; } - 100% {} -} -@-webkit-keyframes blink { - 0% {} - 50% { background-color: transparent; } - 100% {} -} -@keyframes blink { - 0% {} - 50% { background-color: transparent; } - 100% {} -} - -/* Can style cursor different in overwrite (non-insert) mode */ -.CodeMirror-overwrite .CodeMirror-cursor {} - -.cm-tab { display: inline-block; text-decoration: inherit; } - -.CodeMirror-ruler { - border-left: 1px solid #ccc; - position: absolute; -} - -/* DEFAULT THEME */ - -.cm-s-default .cm-header {color: blue;} -.cm-s-default .cm-quote {color: #090;} -.cm-negative {color: #d44;} -.cm-positive {color: #292;} -.cm-header, .cm-strong {font-weight: bold;} -.cm-em {font-style: italic;} -.cm-link {text-decoration: underline;} -.cm-strikethrough {text-decoration: line-through;} - -.cm-s-default .cm-keyword {color: #708;} -.cm-s-default .cm-atom {color: #219;} -.cm-s-default .cm-number {color: #164;} -.cm-s-default .cm-def {color: #00f;} -.cm-s-default .cm-variable, -.cm-s-default .cm-punctuation, -.cm-s-default .cm-property, -.cm-s-default .cm-operator {} -.cm-s-default .cm-variable-2 {color: #05a;} -.cm-s-default .cm-variable-3 {color: #085;} -.cm-s-default .cm-comment {color: #a50;} -.cm-s-default .cm-string {color: #a11;} -.cm-s-default .cm-string-2 {color: #f50;} -.cm-s-default .cm-meta {color: #555;} -.cm-s-default .cm-qualifier {color: #555;} -.cm-s-default .cm-builtin {color: #30a;} -.cm-s-default .cm-bracket {color: #997;} -.cm-s-default .cm-tag {color: #170;} -.cm-s-default .cm-attribute {color: #00c;} -.cm-s-default .cm-hr {color: #999;} -.cm-s-default .cm-link {color: #00c;} - -.cm-s-default .cm-error {color: #f00;} -.cm-invalidchar {color: #f00;} - -.CodeMirror-composing { border-bottom: 2px solid; } - -/* Default styles for common addons */ - -div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;} -div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;} -.CodeMirror-matchingtag { background: rgba(255, 150, 0, .3); } -.CodeMirror-activeline-background {background: #e8f2ff;} - -/* STOP */ - -/* The rest of this file contains styles related to the mechanics of - the editor. You probably shouldn't touch them. */ - -.CodeMirror { - position: relative; - overflow: hidden; - background: white; -} - -.CodeMirror-scroll { - overflow: scroll !important; /* Things will break if this is overridden */ - /* 30px is the magic margin used to hide the element's real scrollbars */ - /* See overflow: hidden in .CodeMirror */ - margin-bottom: -30px; margin-right: -30px; - padding-bottom: 30px; - height: 100%; - outline: none; /* Prevent dragging from highlighting the element */ - position: relative; -} -.CodeMirror-sizer { - position: relative; - border-right: 30px solid transparent; -} - -/* The fake, visible scrollbars. Used to force redraw during scrolling - before actual scrolling happens, thus preventing shaking and - flickering artifacts. */ -.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler { - position: absolute; - z-index: 6; - display: none; -} -.CodeMirror-vscrollbar { - right: 0; top: 0; - overflow-x: hidden; - overflow-y: scroll; -} -.CodeMirror-hscrollbar { - bottom: 0; left: 0; - overflow-y: hidden; - overflow-x: scroll; -} -.CodeMirror-scrollbar-filler { - right: 0; bottom: 0; -} -.CodeMirror-gutter-filler { - left: 0; bottom: 0; -} - -.CodeMirror-gutters { - position: absolute; left: 0; top: 0; - min-height: 100%; - z-index: 3; -} -.CodeMirror-gutter { - white-space: normal; - height: 100%; - display: inline-block; - vertical-align: top; - margin-bottom: -30px; - /* Hack to make IE7 behave */ - *zoom:1; - *display:inline; -} -.CodeMirror-gutter-wrapper { - position: absolute; - z-index: 4; - background: none !important; - border: none !important; -} -.CodeMirror-gutter-background { - position: absolute; - top: 0; bottom: 0; - z-index: 4; -} -.CodeMirror-gutter-elt { - position: absolute; - cursor: default; - z-index: 4; -} -.CodeMirror-gutter-wrapper { - -webkit-user-select: none; - -moz-user-select: none; - user-select: none; -} - -.CodeMirror-lines { - cursor: text; - min-height: 1px; /* prevents collapsing before first draw */ -} -.CodeMirror pre { - /* Reset some styles that the rest of the page might have set */ - -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0; - border-width: 0; - background: transparent; - font-family: inherit; - font-size: inherit; - margin: 0; - white-space: pre; - word-wrap: normal; - line-height: inherit; - color: inherit; - z-index: 2; - position: relative; - overflow: visible; - -webkit-tap-highlight-color: transparent; - -webkit-font-variant-ligatures: none; - font-variant-ligatures: none; -} -.CodeMirror-wrap pre { - word-wrap: break-word; - white-space: pre-wrap; - word-break: normal; -} - -.CodeMirror-linebackground { - position: absolute; - left: 0; right: 0; top: 0; bottom: 0; - z-index: 0; -} - -.CodeMirror-linewidget { - position: relative; - z-index: 2; - overflow: auto; -} - -.CodeMirror-widget {} - -.CodeMirror-code { - outline: none; -} - -/* Force content-box sizing for the elements where we expect it */ -.CodeMirror-scroll, -.CodeMirror-sizer, -.CodeMirror-gutter, -.CodeMirror-gutters, -.CodeMirror-linenumber { - -moz-box-sizing: content-box; - box-sizing: content-box; -} - -.CodeMirror-measure { - position: absolute; - width: 100%; - height: 0; - overflow: hidden; - visibility: hidden; -} - -.CodeMirror-cursor { position: absolute; } -.CodeMirror-measure pre { position: static; } - -div.CodeMirror-cursors { - visibility: hidden; - position: relative; - z-index: 3; -} -div.CodeMirror-dragcursors { - visibility: visible; -} - -.CodeMirror-focused div.CodeMirror-cursors { - visibility: visible; -} - -.CodeMirror-selected { background: #d9d9d9; } -.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; } -.CodeMirror-crosshair { cursor: crosshair; } -.CodeMirror-line::selection, .CodeMirror-line > span::selection, .CodeMirror-line > span > span::selection { background: #d7d4f0; } -.CodeMirror-line::-moz-selection, .CodeMirror-line > span::-moz-selection, .CodeMirror-line > span > span::-moz-selection { background: #d7d4f0; } - -.cm-searching { - background: #ffa; - background: rgba(255, 255, 0, .4); -} - -/* IE7 hack to prevent it from returning funny offsetTops on the spans */ -.CodeMirror span { *vertical-align: text-bottom; } - -/* Used to force a border model for a node */ -.cm-force-border { padding-right: .1px; } - -@media print { - /* Hide the cursor when printing */ - .CodeMirror div.CodeMirror-cursors { - visibility: hidden; - } -} - -/* See issue #2901 */ -.cm-tab-wrap-hack:after { content: ''; } - -/* Help users use markselection to safely style text background */ -span.CodeMirror-selectedtext { background: none; } diff --git a/interp/tracer/codemirror/lib/codemirror.js b/interp/tracer/codemirror/lib/codemirror.js deleted file mode 100644 index 33928bc8..00000000 --- a/interp/tracer/codemirror/lib/codemirror.js +++ /dev/null @@ -1,8898 +0,0 @@ -// CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE - -// This is CodeMirror (http://codemirror.net), a code editor -// implemented in JavaScript on top of the browser's DOM. -// -// You can find some technical background for some of the code below -// at http://marijnhaverbeke.nl/blog/#cm-internals . - -(function(mod) { - if (typeof exports == "object" && typeof module == "object") // CommonJS - module.exports = mod(); - else if (typeof define == "function" && define.amd) // AMD - return define([], mod); - else // Plain browser env - (this || window).CodeMirror = mod(); -})(function() { - "use strict"; - - // BROWSER SNIFFING - - // Kludges for bugs and behavior differences that can't be feature - // detected are enabled based on userAgent etc sniffing. - var userAgent = navigator.userAgent; - var platform = navigator.platform; - - var gecko = /gecko\/\d/i.test(userAgent); - var ie_upto10 = /MSIE \d/.test(userAgent); - var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent); - var ie = ie_upto10 || ie_11up; - var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : ie_11up[1]); - var webkit = /WebKit\//.test(userAgent); - var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent); - var chrome = /Chrome\//.test(userAgent); - var presto = /Opera\//.test(userAgent); - var safari = /Apple Computer/.test(navigator.vendor); - var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent); - var phantom = /PhantomJS/.test(userAgent); - - var ios = /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent); - // This is woefully incomplete. Suggestions for alternative methods welcome. - var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent); - var mac = ios || /Mac/.test(platform); - var chromeOS = /\bCrOS\b/.test(userAgent); - var windows = /win/i.test(platform); - - var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/); - if (presto_version) presto_version = Number(presto_version[1]); - if (presto_version && presto_version >= 15) { presto = false; webkit = true; } - // Some browsers use the wrong event properties to signal cmd/ctrl on OS X - var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11)); - var captureRightClick = gecko || (ie && ie_version >= 9); - - // Optimize some code when these features are not used. - var sawReadOnlySpans = false, sawCollapsedSpans = false; - - // EDITOR CONSTRUCTOR - - // A CodeMirror instance represents an editor. This is the object - // that user code is usually dealing with. - - function CodeMirror(place, options) { - if (!(this instanceof CodeMirror)) return new CodeMirror(place, options); - - this.options = options = options ? copyObj(options) : {}; - // Determine effective options based on given values and defaults. - copyObj(defaults, options, false); - setGuttersForLineNumbers(options); - - var doc = options.value; - if (typeof doc == "string") doc = new Doc(doc, options.mode, null, options.lineSeparator); - this.doc = doc; - - var input = new CodeMirror.inputStyles[options.inputStyle](this); - var display = this.display = new Display(place, doc, input); - display.wrapper.CodeMirror = this; - updateGutters(this); - themeChanged(this); - if (options.lineWrapping) - this.display.wrapper.className += " CodeMirror-wrap"; - if (options.autofocus && !mobile) display.input.focus(); - initScrollbars(this); - - this.state = { - keyMaps: [], // stores maps added by addKeyMap - overlays: [], // highlighting overlays, as added by addOverlay - modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info - overwrite: false, - delayingBlurEvent: false, - focused: false, - suppressEdits: false, // used to disable editing during key handlers when in readOnly mode - pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll - selectingText: false, - draggingText: false, - highlight: new Delayed(), // stores highlight worker timeout - keySeq: null, // Unfinished key sequence - specialChars: null - }; - - var cm = this; - - // Override magic textarea content restore that IE sometimes does - // on our hidden textarea on reload - if (ie && ie_version < 11) setTimeout(function() { cm.display.input.reset(true); }, 20); - - registerEventHandlers(this); - ensureGlobalHandlers(); - - startOperation(this); - this.curOp.forceUpdate = true; - attachDoc(this, doc); - - if ((options.autofocus && !mobile) || cm.hasFocus()) - setTimeout(bind(onFocus, this), 20); - else - onBlur(this); - - for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt)) - optionHandlers[opt](this, options[opt], Init); - maybeUpdateLineNumberWidth(this); - if (options.finishInit) options.finishInit(this); - for (var i = 0; i < initHooks.length; ++i) initHooks[i](this); - endOperation(this); - // Suppress optimizelegibility in Webkit, since it breaks text - // measuring on line wrapping boundaries. - if (webkit && options.lineWrapping && - getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") - display.lineDiv.style.textRendering = "auto"; - } - - // DISPLAY CONSTRUCTOR - - // The display handles the DOM integration, both for input reading - // and content drawing. It holds references to DOM nodes and - // display-related state. - - function Display(place, doc, input) { - var d = this; - this.input = input; - - // Covers bottom-right square when both scrollbars are present. - d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler"); - d.scrollbarFiller.setAttribute("cm-not-content", "true"); - // Covers bottom of gutter when coverGutterNextToScrollbar is on - // and h scrollbar is present. - d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler"); - d.gutterFiller.setAttribute("cm-not-content", "true"); - // Will contain the actual code, positioned to cover the viewport. - d.lineDiv = elt("div", null, "CodeMirror-code"); - // Elements are added to these to represent selection and cursors. - d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1"); - d.cursorDiv = elt("div", null, "CodeMirror-cursors"); - // A visibility: hidden element used to find the size of things. - d.measure = elt("div", null, "CodeMirror-measure"); - // When lines outside of the viewport are measured, they are drawn in this. - d.lineMeasure = elt("div", null, "CodeMirror-measure"); - // Wraps everything that needs to exist inside the vertically-padded coordinate system - d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], - null, "position: relative; outline: none"); - // Moved around its parent to cover visible view. - d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative"); - // Set to the height of the document, allowing scrolling. - d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); - d.sizerWidth = null; - // Behavior of elts with overflow: auto and padding is - // inconsistent across browsers. This is used to ensure the - // scrollable area is big enough. - d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;"); - // Will contain the gutters, if any. - d.gutters = elt("div", null, "CodeMirror-gutters"); - d.lineGutter = null; - // Actual scrollable element. - d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll"); - d.scroller.setAttribute("tabIndex", "-1"); - // The element in which the editor lives. - d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror"); - - // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) - if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } - if (!webkit && !(gecko && mobile)) d.scroller.draggable = true; - - if (place) { - if (place.appendChild) place.appendChild(d.wrapper); - else place(d.wrapper); - } - - // Current rendered range (may be bigger than the view window). - d.viewFrom = d.viewTo = doc.first; - d.reportedViewFrom = d.reportedViewTo = doc.first; - // Information about the rendered lines. - d.view = []; - d.renderedView = null; - // Holds info about a single rendered line when it was rendered - // for measurement, while not in view. - d.externalMeasured = null; - // Empty space (in pixels) above the view - d.viewOffset = 0; - d.lastWrapHeight = d.lastWrapWidth = 0; - d.updateLineNumbers = null; - - d.nativeBarWidth = d.barHeight = d.barWidth = 0; - d.scrollbarsClipped = false; - - // Used to only resize the line number gutter when necessary (when - // the amount of lines crosses a boundary that makes its width change) - d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null; - // Set to true when a non-horizontal-scrolling line widget is - // added. As an optimization, line widget aligning is skipped when - // this is false. - d.alignWidgets = false; - - d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; - - // Tracks the maximum line length so that the horizontal scrollbar - // can be kept static when scrolling. - d.maxLine = null; - d.maxLineLength = 0; - d.maxLineChanged = false; - - // Used for measuring wheel scrolling granularity - d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null; - - // True when shift is held down. - d.shift = false; - - // Used to track whether anything happened since the context menu - // was opened. - d.selForContextMenu = null; - - d.activeTouch = null; - - input.init(d); - } - - // STATE UPDATES - - // Used to get the editor into a consistent state again when options change. - - function loadMode(cm) { - cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption); - resetModeState(cm); - } - - function resetModeState(cm) { - cm.doc.iter(function(line) { - if (line.stateAfter) line.stateAfter = null; - if (line.styles) line.styles = null; - }); - cm.doc.frontier = cm.doc.first; - startWorker(cm, 100); - cm.state.modeGen++; - if (cm.curOp) regChange(cm); - } - - function wrappingChanged(cm) { - if (cm.options.lineWrapping) { - addClass(cm.display.wrapper, "CodeMirror-wrap"); - cm.display.sizer.style.minWidth = ""; - cm.display.sizerWidth = null; - } else { - rmClass(cm.display.wrapper, "CodeMirror-wrap"); - findMaxLine(cm); - } - estimateLineHeights(cm); - regChange(cm); - clearCaches(cm); - setTimeout(function(){updateScrollbars(cm);}, 100); - } - - // Returns a function that estimates the height of a line, to use as - // first approximation until the line becomes visible (and is thus - // properly measurable). - function estimateHeight(cm) { - var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; - var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); - return function(line) { - if (lineIsHidden(cm.doc, line)) return 0; - - var widgetsHeight = 0; - if (line.widgets) for (var i = 0; i < line.widgets.length; i++) { - if (line.widgets[i].height) widgetsHeight += line.widgets[i].height; - } - - if (wrapping) - return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th; - else - return widgetsHeight + th; - }; - } - - function estimateLineHeights(cm) { - var doc = cm.doc, est = estimateHeight(cm); - doc.iter(function(line) { - var estHeight = est(line); - if (estHeight != line.height) updateLineHeight(line, estHeight); - }); - } - - function themeChanged(cm) { - cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + - cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); - clearCaches(cm); - } - - function guttersChanged(cm) { - updateGutters(cm); - regChange(cm); - setTimeout(function(){alignHorizontally(cm);}, 20); - } - - // Rebuild the gutter elements, ensure the margin to the left of the - // code matches their width. - function updateGutters(cm) { - var gutters = cm.display.gutters, specs = cm.options.gutters; - removeChildren(gutters); - for (var i = 0; i < specs.length; ++i) { - var gutterClass = specs[i]; - var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass)); - if (gutterClass == "CodeMirror-linenumbers") { - cm.display.lineGutter = gElt; - gElt.style.width = (cm.display.lineNumWidth || 1) + "px"; - } - } - gutters.style.display = i ? "" : "none"; - updateGutterSpace(cm); - } - - function updateGutterSpace(cm) { - var width = cm.display.gutters.offsetWidth; - cm.display.sizer.style.marginLeft = width + "px"; - } - - // Compute the character length of a line, taking into account - // collapsed ranges (see markText) that might hide parts, and join - // other lines onto it. - function lineLength(line) { - if (line.height == 0) return 0; - var len = line.text.length, merged, cur = line; - while (merged = collapsedSpanAtStart(cur)) { - var found = merged.find(0, true); - cur = found.from.line; - len += found.from.ch - found.to.ch; - } - cur = line; - while (merged = collapsedSpanAtEnd(cur)) { - var found = merged.find(0, true); - len -= cur.text.length - found.from.ch; - cur = found.to.line; - len += cur.text.length - found.to.ch; - } - return len; - } - - // Find the longest line in the document. - function findMaxLine(cm) { - var d = cm.display, doc = cm.doc; - d.maxLine = getLine(doc, doc.first); - d.maxLineLength = lineLength(d.maxLine); - d.maxLineChanged = true; - doc.iter(function(line) { - var len = lineLength(line); - if (len > d.maxLineLength) { - d.maxLineLength = len; - d.maxLine = line; - } - }); - } - - // Make sure the gutters options contains the element - // "CodeMirror-linenumbers" when the lineNumbers option is true. - function setGuttersForLineNumbers(options) { - var found = indexOf(options.gutters, "CodeMirror-linenumbers"); - if (found == -1 && options.lineNumbers) { - options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]); - } else if (found > -1 && !options.lineNumbers) { - options.gutters = options.gutters.slice(0); - options.gutters.splice(found, 1); - } - } - - // SCROLLBARS - - // Prepare DOM reads needed to update the scrollbars. Done in one - // shot to minimize update/measure roundtrips. - function measureForScrollbars(cm) { - var d = cm.display, gutterW = d.gutters.offsetWidth; - var docH = Math.round(cm.doc.height + paddingVert(cm.display)); - return { - clientHeight: d.scroller.clientHeight, - viewHeight: d.wrapper.clientHeight, - scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, - viewWidth: d.wrapper.clientWidth, - barLeft: cm.options.fixedGutter ? gutterW : 0, - docHeight: docH, - scrollHeight: docH + scrollGap(cm) + d.barHeight, - nativeBarWidth: d.nativeBarWidth, - gutterWidth: gutterW - }; - } - - function NativeScrollbars(place, scroll, cm) { - this.cm = cm; - var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); - var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); - place(vert); place(horiz); - - on(vert, "scroll", function() { - if (vert.clientHeight) scroll(vert.scrollTop, "vertical"); - }); - on(horiz, "scroll", function() { - if (horiz.clientWidth) scroll(horiz.scrollLeft, "horizontal"); - }); - - this.checkedZeroWidth = false; - // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). - if (ie && ie_version < 8) this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; - } - - NativeScrollbars.prototype = copyObj({ - update: function(measure) { - var needsH = measure.scrollWidth > measure.clientWidth + 1; - var needsV = measure.scrollHeight > measure.clientHeight + 1; - var sWidth = measure.nativeBarWidth; - - if (needsV) { - this.vert.style.display = "block"; - this.vert.style.bottom = needsH ? sWidth + "px" : "0"; - var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); - // A bug in IE8 can cause this value to be negative, so guard it. - this.vert.firstChild.style.height = - Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; - } else { - this.vert.style.display = ""; - this.vert.firstChild.style.height = "0"; - } - - if (needsH) { - this.horiz.style.display = "block"; - this.horiz.style.right = needsV ? sWidth + "px" : "0"; - this.horiz.style.left = measure.barLeft + "px"; - var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); - this.horiz.firstChild.style.width = - (measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; - } else { - this.horiz.style.display = ""; - this.horiz.firstChild.style.width = "0"; - } - - if (!this.checkedZeroWidth && measure.clientHeight > 0) { - if (sWidth == 0) this.zeroWidthHack(); - this.checkedZeroWidth = true; - } - - return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}; - }, - setScrollLeft: function(pos) { - if (this.horiz.scrollLeft != pos) this.horiz.scrollLeft = pos; - if (this.disableHoriz) this.enableZeroWidthBar(this.horiz, this.disableHoriz); - }, - setScrollTop: function(pos) { - if (this.vert.scrollTop != pos) this.vert.scrollTop = pos; - if (this.disableVert) this.enableZeroWidthBar(this.vert, this.disableVert); - }, - zeroWidthHack: function() { - var w = mac && !mac_geMountainLion ? "12px" : "18px"; - this.horiz.style.height = this.vert.style.width = w; - this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none"; - this.disableHoriz = new Delayed; - this.disableVert = new Delayed; - }, - enableZeroWidthBar: function(bar, delay) { - bar.style.pointerEvents = "auto"; - function maybeDisable() { - // To find out whether the scrollbar is still visible, we - // check whether the element under the pixel in the bottom - // left corner of the scrollbar box is the scrollbar box - // itself (when the bar is still visible) or its filler child - // (when the bar is hidden). If it is still visible, we keep - // it enabled, if it's hidden, we disable pointer events. - var box = bar.getBoundingClientRect(); - var elt = document.elementFromPoint(box.left + 1, box.bottom - 1); - if (elt != bar) bar.style.pointerEvents = "none"; - else delay.set(1000, maybeDisable); - } - delay.set(1000, maybeDisable); - }, - clear: function() { - var parent = this.horiz.parentNode; - parent.removeChild(this.horiz); - parent.removeChild(this.vert); - } - }, NativeScrollbars.prototype); - - function NullScrollbars() {} - - NullScrollbars.prototype = copyObj({ - update: function() { return {bottom: 0, right: 0}; }, - setScrollLeft: function() {}, - setScrollTop: function() {}, - clear: function() {} - }, NullScrollbars.prototype); - - CodeMirror.scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}; - - function initScrollbars(cm) { - if (cm.display.scrollbars) { - cm.display.scrollbars.clear(); - if (cm.display.scrollbars.addClass) - rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); - } - - cm.display.scrollbars = new CodeMirror.scrollbarModel[cm.options.scrollbarStyle](function(node) { - cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); - // Prevent clicks in the scrollbars from killing focus - on(node, "mousedown", function() { - if (cm.state.focused) setTimeout(function() { cm.display.input.focus(); }, 0); - }); - node.setAttribute("cm-not-content", "true"); - }, function(pos, axis) { - if (axis == "horizontal") setScrollLeft(cm, pos); - else setScrollTop(cm, pos); - }, cm); - if (cm.display.scrollbars.addClass) - addClass(cm.display.wrapper, cm.display.scrollbars.addClass); - } - - function updateScrollbars(cm, measure) { - if (!measure) measure = measureForScrollbars(cm); - var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; - updateScrollbarsInner(cm, measure); - for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { - if (startWidth != cm.display.barWidth && cm.options.lineWrapping) - updateHeightsInViewport(cm); - updateScrollbarsInner(cm, measureForScrollbars(cm)); - startWidth = cm.display.barWidth; startHeight = cm.display.barHeight; - } - } - - // Re-synchronize the fake scrollbars with the actual size of the - // content. - function updateScrollbarsInner(cm, measure) { - var d = cm.display; - var sizes = d.scrollbars.update(measure); - - d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"; - d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"; - d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent" - - if (sizes.right && sizes.bottom) { - d.scrollbarFiller.style.display = "block"; - d.scrollbarFiller.style.height = sizes.bottom + "px"; - d.scrollbarFiller.style.width = sizes.right + "px"; - } else d.scrollbarFiller.style.display = ""; - if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { - d.gutterFiller.style.display = "block"; - d.gutterFiller.style.height = sizes.bottom + "px"; - d.gutterFiller.style.width = measure.gutterWidth + "px"; - } else d.gutterFiller.style.display = ""; - } - - // Compute the lines that are visible in a given viewport (defaults - // the the current scroll position). viewport may contain top, - // height, and ensure (see op.scrollToPos) properties. - function visibleLines(display, doc, viewport) { - var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop; - top = Math.floor(top - paddingTop(display)); - var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight; - - var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom); - // Ensure is a {from: {line, ch}, to: {line, ch}} object, and - // forces those lines into the viewport (if possible). - if (viewport && viewport.ensure) { - var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; - if (ensureFrom < from) { - from = ensureFrom; - to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); - } else if (Math.min(ensureTo, doc.lastLine()) >= to) { - from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); - to = ensureTo; - } - } - return {from: from, to: Math.max(to, from + 1)}; - } - - // LINE NUMBERS - - // Re-align line numbers and gutter marks to compensate for - // horizontal scrolling. - function alignHorizontally(cm) { - var display = cm.display, view = display.view; - if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return; - var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; - var gutterW = display.gutters.offsetWidth, left = comp + "px"; - for (var i = 0; i < view.length; i++) if (!view[i].hidden) { - if (cm.options.fixedGutter && view[i].gutter) - view[i].gutter.style.left = left; - var align = view[i].alignable; - if (align) for (var j = 0; j < align.length; j++) - align[j].style.left = left; - } - if (cm.options.fixedGutter) - display.gutters.style.left = (comp + gutterW) + "px"; - } - - // Used to ensure that the line number gutter is still the right - // size for the current document size. Returns true when an update - // is needed. - function maybeUpdateLineNumberWidth(cm) { - if (!cm.options.lineNumbers) return false; - var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; - if (last.length != display.lineNumChars) { - var test = display.measure.appendChild(elt("div", [elt("div", last)], - "CodeMirror-linenumber CodeMirror-gutter-elt")); - var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; - display.lineGutter.style.width = ""; - display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; - display.lineNumWidth = display.lineNumInnerWidth + padding; - display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; - display.lineGutter.style.width = display.lineNumWidth + "px"; - updateGutterSpace(cm); - return true; - } - return false; - } - - function lineNumberFor(options, i) { - return String(options.lineNumberFormatter(i + options.firstLineNumber)); - } - - // Computes display.scroller.scrollLeft + display.gutters.offsetWidth, - // but using getBoundingClientRect to get a sub-pixel-accurate - // result. - function compensateForHScroll(display) { - return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left; - } - - // DISPLAY DRAWING - - function DisplayUpdate(cm, viewport, force) { - var display = cm.display; - - this.viewport = viewport; - // Store some values that we'll need later (but don't want to force a relayout for) - this.visible = visibleLines(display, cm.doc, viewport); - this.editorIsHidden = !display.wrapper.offsetWidth; - this.wrapperHeight = display.wrapper.clientHeight; - this.wrapperWidth = display.wrapper.clientWidth; - this.oldDisplayWidth = displayWidth(cm); - this.force = force; - this.dims = getDimensions(cm); - this.events = []; - } - - DisplayUpdate.prototype.signal = function(emitter, type) { - if (hasHandler(emitter, type)) - this.events.push(arguments); - }; - DisplayUpdate.prototype.finish = function() { - for (var i = 0; i < this.events.length; i++) - signal.apply(null, this.events[i]); - }; - - function maybeClipScrollbars(cm) { - var display = cm.display; - if (!display.scrollbarsClipped && display.scroller.offsetWidth) { - display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; - display.heightForcer.style.height = scrollGap(cm) + "px"; - display.sizer.style.marginBottom = -display.nativeBarWidth + "px"; - display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; - display.scrollbarsClipped = true; - } - } - - // Does the actual updating of the line display. Bails out - // (returning false) when there is nothing to be done and forced is - // false. - function updateDisplayIfNeeded(cm, update) { - var display = cm.display, doc = cm.doc; - - if (update.editorIsHidden) { - resetView(cm); - return false; - } - - // Bail out if the visible area is already rendered and nothing changed. - if (!update.force && - update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && - display.renderedView == display.view && countDirtyView(cm) == 0) - return false; - - if (maybeUpdateLineNumberWidth(cm)) { - resetView(cm); - update.dims = getDimensions(cm); - } - - // Compute a suitable new viewport (from & to) - var end = doc.first + doc.size; - var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first); - var to = Math.min(end, update.visible.to + cm.options.viewportMargin); - if (display.viewFrom < from && from - display.viewFrom < 20) from = Math.max(doc.first, display.viewFrom); - if (display.viewTo > to && display.viewTo - to < 20) to = Math.min(end, display.viewTo); - if (sawCollapsedSpans) { - from = visualLineNo(cm.doc, from); - to = visualLineEndNo(cm.doc, to); - } - - var different = from != display.viewFrom || to != display.viewTo || - display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; - adjustView(cm, from, to); - - display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); - // Position the mover div to align with the current scroll position - cm.display.mover.style.top = display.viewOffset + "px"; - - var toUpdate = countDirtyView(cm); - if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && - (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) - return false; - - // For big changes, we hide the enclosing element during the - // update, since that speeds up the operations on most browsers. - var focused = activeElt(); - if (toUpdate > 4) display.lineDiv.style.display = "none"; - patchDisplay(cm, display.updateLineNumbers, update.dims); - if (toUpdate > 4) display.lineDiv.style.display = ""; - display.renderedView = display.view; - // There might have been a widget with a focused element that got - // hidden or updated, if so re-focus it. - if (focused && activeElt() != focused && focused.offsetHeight) focused.focus(); - - // Prevent selection and cursors from interfering with the scroll - // width and height. - removeChildren(display.cursorDiv); - removeChildren(display.selectionDiv); - display.gutters.style.height = display.sizer.style.minHeight = 0; - - if (different) { - display.lastWrapHeight = update.wrapperHeight; - display.lastWrapWidth = update.wrapperWidth; - startWorker(cm, 400); - } - - display.updateLineNumbers = null; - - return true; - } - - function postUpdateDisplay(cm, update) { - var viewport = update.viewport; - - for (var first = true;; first = false) { - if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { - // Clip forced viewport to actual scrollable area. - if (viewport && viewport.top != null) - viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; - // Updated line heights might result in the drawn area not - // actually covering the viewport. Keep looping until it does. - update.visible = visibleLines(cm.display, cm.doc, viewport); - if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) - break; - } - if (!updateDisplayIfNeeded(cm, update)) break; - updateHeightsInViewport(cm); - var barMeasure = measureForScrollbars(cm); - updateSelection(cm); - updateScrollbars(cm, barMeasure); - setDocumentHeight(cm, barMeasure); - } - - update.signal(cm, "update", cm); - if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { - update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); - cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo; - } - } - - function updateDisplaySimple(cm, viewport) { - var update = new DisplayUpdate(cm, viewport); - if (updateDisplayIfNeeded(cm, update)) { - updateHeightsInViewport(cm); - postUpdateDisplay(cm, update); - var barMeasure = measureForScrollbars(cm); - updateSelection(cm); - updateScrollbars(cm, barMeasure); - setDocumentHeight(cm, barMeasure); - update.finish(); - } - } - - function setDocumentHeight(cm, measure) { - cm.display.sizer.style.minHeight = measure.docHeight + "px"; - cm.display.heightForcer.style.top = measure.docHeight + "px"; - cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px"; - } - - // Read the actual heights of the rendered lines, and update their - // stored heights to match. - function updateHeightsInViewport(cm) { - var display = cm.display; - var prevBottom = display.lineDiv.offsetTop; - for (var i = 0; i < display.view.length; i++) { - var cur = display.view[i], height; - if (cur.hidden) continue; - if (ie && ie_version < 8) { - var bot = cur.node.offsetTop + cur.node.offsetHeight; - height = bot - prevBottom; - prevBottom = bot; - } else { - var box = cur.node.getBoundingClientRect(); - height = box.bottom - box.top; - } - var diff = cur.line.height - height; - if (height < 2) height = textHeight(display); - if (diff > .001 || diff < -.001) { - updateLineHeight(cur.line, height); - updateWidgetHeight(cur.line); - if (cur.rest) for (var j = 0; j < cur.rest.length; j++) - updateWidgetHeight(cur.rest[j]); - } - } - } - - // Read and store the height of line widgets associated with the - // given line. - function updateWidgetHeight(line) { - if (line.widgets) for (var i = 0; i < line.widgets.length; ++i) - line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight; - } - - // Do a bulk-read of the DOM positions and sizes needed to draw the - // view, so that we don't interleave reading and writing to the DOM. - function getDimensions(cm) { - var d = cm.display, left = {}, width = {}; - var gutterLeft = d.gutters.clientLeft; - for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { - left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft; - width[cm.options.gutters[i]] = n.clientWidth; - } - return {fixedPos: compensateForHScroll(d), - gutterTotalWidth: d.gutters.offsetWidth, - gutterLeft: left, - gutterWidth: width, - wrapperWidth: d.wrapper.clientWidth}; - } - - // Sync the actual display DOM structure with display.view, removing - // nodes for lines that are no longer in view, and creating the ones - // that are not there yet, and updating the ones that are out of - // date. - function patchDisplay(cm, updateNumbersFrom, dims) { - var display = cm.display, lineNumbers = cm.options.lineNumbers; - var container = display.lineDiv, cur = container.firstChild; - - function rm(node) { - var next = node.nextSibling; - // Works around a throw-scroll bug in OS X Webkit - if (webkit && mac && cm.display.currentWheelTarget == node) - node.style.display = "none"; - else - node.parentNode.removeChild(node); - return next; - } - - var view = display.view, lineN = display.viewFrom; - // Loop over the elements in the view, syncing cur (the DOM nodes - // in display.lineDiv) with the view as we go. - for (var i = 0; i < view.length; i++) { - var lineView = view[i]; - if (lineView.hidden) { - } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet - var node = buildLineElement(cm, lineView, lineN, dims); - container.insertBefore(node, cur); - } else { // Already drawn - while (cur != lineView.node) cur = rm(cur); - var updateNumber = lineNumbers && updateNumbersFrom != null && - updateNumbersFrom <= lineN && lineView.lineNumber; - if (lineView.changes) { - if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false; - updateLineForChanges(cm, lineView, lineN, dims); - } - if (updateNumber) { - removeChildren(lineView.lineNumber); - lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))); - } - cur = lineView.node.nextSibling; - } - lineN += lineView.size; - } - while (cur) cur = rm(cur); - } - - // When an aspect of a line changes, a string is added to - // lineView.changes. This updates the relevant part of the line's - // DOM structure. - function updateLineForChanges(cm, lineView, lineN, dims) { - for (var j = 0; j < lineView.changes.length; j++) { - var type = lineView.changes[j]; - if (type == "text") updateLineText(cm, lineView); - else if (type == "gutter") updateLineGutter(cm, lineView, lineN, dims); - else if (type == "class") updateLineClasses(lineView); - else if (type == "widget") updateLineWidgets(cm, lineView, dims); - } - lineView.changes = null; - } - - // Lines with gutter elements, widgets or a background class need to - // be wrapped, and have the extra elements added to the wrapper div - function ensureLineWrapped(lineView) { - if (lineView.node == lineView.text) { - lineView.node = elt("div", null, null, "position: relative"); - if (lineView.text.parentNode) - lineView.text.parentNode.replaceChild(lineView.node, lineView.text); - lineView.node.appendChild(lineView.text); - if (ie && ie_version < 8) lineView.node.style.zIndex = 2; - } - return lineView.node; - } - - function updateLineBackground(lineView) { - var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass; - if (cls) cls += " CodeMirror-linebackground"; - if (lineView.background) { - if (cls) lineView.background.className = cls; - else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; } - } else if (cls) { - var wrap = ensureLineWrapped(lineView); - lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild); - } - } - - // Wrapper around buildLineContent which will reuse the structure - // in display.externalMeasured when possible. - function getLineContent(cm, lineView) { - var ext = cm.display.externalMeasured; - if (ext && ext.line == lineView.line) { - cm.display.externalMeasured = null; - lineView.measure = ext.measure; - return ext.built; - } - return buildLineContent(cm, lineView); - } - - // Redraw the line's text. Interacts with the background and text - // classes because the mode may output tokens that influence these - // classes. - function updateLineText(cm, lineView) { - var cls = lineView.text.className; - var built = getLineContent(cm, lineView); - if (lineView.text == lineView.node) lineView.node = built.pre; - lineView.text.parentNode.replaceChild(built.pre, lineView.text); - lineView.text = built.pre; - if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { - lineView.bgClass = built.bgClass; - lineView.textClass = built.textClass; - updateLineClasses(lineView); - } else if (cls) { - lineView.text.className = cls; - } - } - - function updateLineClasses(lineView) { - updateLineBackground(lineView); - if (lineView.line.wrapClass) - ensureLineWrapped(lineView).className = lineView.line.wrapClass; - else if (lineView.node != lineView.text) - lineView.node.className = ""; - var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass; - lineView.text.className = textClass || ""; - } - - function updateLineGutter(cm, lineView, lineN, dims) { - if (lineView.gutter) { - lineView.node.removeChild(lineView.gutter); - lineView.gutter = null; - } - if (lineView.gutterBackground) { - lineView.node.removeChild(lineView.gutterBackground); - lineView.gutterBackground = null; - } - if (lineView.line.gutterClass) { - var wrap = ensureLineWrapped(lineView); - lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, - "left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + - "px; width: " + dims.gutterTotalWidth + "px"); - wrap.insertBefore(lineView.gutterBackground, lineView.text); - } - var markers = lineView.line.gutterMarkers; - if (cm.options.lineNumbers || markers) { - var wrap = ensureLineWrapped(lineView); - var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", "left: " + - (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"); - cm.display.input.setUneditable(gutterWrap); - wrap.insertBefore(gutterWrap, lineView.text); - if (lineView.line.gutterClass) - gutterWrap.className += " " + lineView.line.gutterClass; - if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) - lineView.lineNumber = gutterWrap.appendChild( - elt("div", lineNumberFor(cm.options, lineN), - "CodeMirror-linenumber CodeMirror-gutter-elt", - "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: " - + cm.display.lineNumInnerWidth + "px")); - if (markers) for (var k = 0; k < cm.options.gutters.length; ++k) { - var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id]; - if (found) - gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " + - dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px")); - } - } - } - - function updateLineWidgets(cm, lineView, dims) { - if (lineView.alignable) lineView.alignable = null; - for (var node = lineView.node.firstChild, next; node; node = next) { - var next = node.nextSibling; - if (node.className == "CodeMirror-linewidget") - lineView.node.removeChild(node); - } - insertLineWidgets(cm, lineView, dims); - } - - // Build a line's DOM representation from scratch - function buildLineElement(cm, lineView, lineN, dims) { - var built = getLineContent(cm, lineView); - lineView.text = lineView.node = built.pre; - if (built.bgClass) lineView.bgClass = built.bgClass; - if (built.textClass) lineView.textClass = built.textClass; - - updateLineClasses(lineView); - updateLineGutter(cm, lineView, lineN, dims); - insertLineWidgets(cm, lineView, dims); - return lineView.node; - } - - // A lineView may contain multiple logical lines (when merged by - // collapsed spans). The widgets for all of them need to be drawn. - function insertLineWidgets(cm, lineView, dims) { - insertLineWidgetsFor(cm, lineView.line, lineView, dims, true); - if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) - insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); - } - - function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { - if (!line.widgets) return; - var wrap = ensureLineWrapped(lineView); - for (var i = 0, ws = line.widgets; i < ws.length; ++i) { - var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget"); - if (!widget.handleMouseEvents) node.setAttribute("cm-ignore-events", "true"); - positionLineWidget(widget, node, lineView, dims); - cm.display.input.setUneditable(node); - if (allowAbove && widget.above) - wrap.insertBefore(node, lineView.gutter || lineView.text); - else - wrap.appendChild(node); - signalLater(widget, "redraw"); - } - } - - function positionLineWidget(widget, node, lineView, dims) { - if (widget.noHScroll) { - (lineView.alignable || (lineView.alignable = [])).push(node); - var width = dims.wrapperWidth; - node.style.left = dims.fixedPos + "px"; - if (!widget.coverGutter) { - width -= dims.gutterTotalWidth; - node.style.paddingLeft = dims.gutterTotalWidth + "px"; - } - node.style.width = width + "px"; - } - if (widget.coverGutter) { - node.style.zIndex = 5; - node.style.position = "relative"; - if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px"; - } - } - - // POSITION OBJECT - - // A Pos instance represents a position within the text. - var Pos = CodeMirror.Pos = function(line, ch) { - if (!(this instanceof Pos)) return new Pos(line, ch); - this.line = line; this.ch = ch; - }; - - // Compare two positions, return 0 if they are the same, a negative - // number when a is less, and a positive number otherwise. - var cmp = CodeMirror.cmpPos = function(a, b) { return a.line - b.line || a.ch - b.ch; }; - - function copyPos(x) {return Pos(x.line, x.ch);} - function maxPos(a, b) { return cmp(a, b) < 0 ? b : a; } - function minPos(a, b) { return cmp(a, b) < 0 ? a : b; } - - // INPUT HANDLING - - function ensureFocus(cm) { - if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); } - } - - // This will be set to an array of strings when copying, so that, - // when pasting, we know what kind of selections the copied text - // was made out of. - var lastCopied = null; - - function applyTextInput(cm, inserted, deleted, sel, origin) { - var doc = cm.doc; - cm.display.shift = false; - if (!sel) sel = doc.sel; - - var paste = cm.state.pasteIncoming || origin == "paste"; - var textLines = doc.splitLines(inserted), multiPaste = null; - // When pasing N lines into N selections, insert one line per selection - if (paste && sel.ranges.length > 1) { - if (lastCopied && lastCopied.join("\n") == inserted) { - if (sel.ranges.length % lastCopied.length == 0) { - multiPaste = []; - for (var i = 0; i < lastCopied.length; i++) - multiPaste.push(doc.splitLines(lastCopied[i])); - } - } else if (textLines.length == sel.ranges.length) { - multiPaste = map(textLines, function(l) { return [l]; }); - } - } - - // Normal behavior is to insert the new text into every selection - for (var i = sel.ranges.length - 1; i >= 0; i--) { - var range = sel.ranges[i]; - var from = range.from(), to = range.to(); - if (range.empty()) { - if (deleted && deleted > 0) // Handle deletion - from = Pos(from.line, from.ch - deleted); - else if (cm.state.overwrite && !paste) // Handle overwrite - to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); - } - var updateInput = cm.curOp.updateInput; - var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines, - origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")}; - makeChange(cm.doc, changeEvent); - signalLater(cm, "inputRead", cm, changeEvent); - } - if (inserted && !paste) - triggerElectric(cm, inserted); - - ensureCursorVisible(cm); - cm.curOp.updateInput = updateInput; - cm.curOp.typing = true; - cm.state.pasteIncoming = cm.state.cutIncoming = false; - } - - function handlePaste(e, cm) { - var pasted = e.clipboardData && e.clipboardData.getData("text/plain"); - if (pasted) { - e.preventDefault(); - if (!cm.isReadOnly() && !cm.options.disableInput) - runInOp(cm, function() { applyTextInput(cm, pasted, 0, null, "paste"); }); - return true; - } - } - - function triggerElectric(cm, inserted) { - // When an 'electric' character is inserted, immediately trigger a reindent - if (!cm.options.electricChars || !cm.options.smartIndent) return; - var sel = cm.doc.sel; - - for (var i = sel.ranges.length - 1; i >= 0; i--) { - var range = sel.ranges[i]; - if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) continue; - var mode = cm.getModeAt(range.head); - var indented = false; - if (mode.electricChars) { - for (var j = 0; j < mode.electricChars.length; j++) - if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { - indented = indentLine(cm, range.head.line, "smart"); - break; - } - } else if (mode.electricInput) { - if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch))) - indented = indentLine(cm, range.head.line, "smart"); - } - if (indented) signalLater(cm, "electricInput", cm, range.head.line); - } - } - - function copyableRanges(cm) { - var text = [], ranges = []; - for (var i = 0; i < cm.doc.sel.ranges.length; i++) { - var line = cm.doc.sel.ranges[i].head.line; - var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; - ranges.push(lineRange); - text.push(cm.getRange(lineRange.anchor, lineRange.head)); - } - return {text: text, ranges: ranges}; - } - - function disableBrowserMagic(field) { - field.setAttribute("autocorrect", "off"); - field.setAttribute("autocapitalize", "off"); - field.setAttribute("spellcheck", "false"); - } - - // TEXTAREA INPUT STYLE - - function TextareaInput(cm) { - this.cm = cm; - // See input.poll and input.reset - this.prevInput = ""; - - // Flag that indicates whether we expect input to appear real soon - // now (after some event like 'keypress' or 'input') and are - // polling intensively. - this.pollingFast = false; - // Self-resetting timeout for the poller - this.polling = new Delayed(); - // Tracks when input.reset has punted to just putting a short - // string into the textarea instead of the full selection. - this.inaccurateSelection = false; - // Used to work around IE issue with selection being forgotten when focus moves away from textarea - this.hasSelection = false; - this.composing = null; - }; - - function hiddenTextarea() { - var te = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none"); - var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); - // The textarea is kept positioned near the cursor to prevent the - // fact that it'll be scrolled into view on input from scrolling - // our fake cursor out of view. On webkit, when wrap=off, paste is - // very slow. So make the area wide instead. - if (webkit) te.style.width = "1000px"; - else te.setAttribute("wrap", "off"); - // If border: 0; -- iOS fails to open keyboard (issue #1287) - if (ios) te.style.border = "1px solid black"; - disableBrowserMagic(te); - return div; - } - - TextareaInput.prototype = copyObj({ - init: function(display) { - var input = this, cm = this.cm; - - // Wraps and hides input textarea - var div = this.wrapper = hiddenTextarea(); - // The semihidden textarea that is focused when the editor is - // focused, and receives input. - var te = this.textarea = div.firstChild; - display.wrapper.insertBefore(div, display.wrapper.firstChild); - - // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) - if (ios) te.style.width = "0px"; - - on(te, "input", function() { - if (ie && ie_version >= 9 && input.hasSelection) input.hasSelection = null; - input.poll(); - }); - - on(te, "paste", function(e) { - if (signalDOMEvent(cm, e) || handlePaste(e, cm)) return - - cm.state.pasteIncoming = true; - input.fastPoll(); - }); - - function prepareCopyCut(e) { - if (signalDOMEvent(cm, e)) return - if (cm.somethingSelected()) { - lastCopied = cm.getSelections(); - if (input.inaccurateSelection) { - input.prevInput = ""; - input.inaccurateSelection = false; - te.value = lastCopied.join("\n"); - selectInput(te); - } - } else if (!cm.options.lineWiseCopyCut) { - return; - } else { - var ranges = copyableRanges(cm); - lastCopied = ranges.text; - if (e.type == "cut") { - cm.setSelections(ranges.ranges, null, sel_dontScroll); - } else { - input.prevInput = ""; - te.value = ranges.text.join("\n"); - selectInput(te); - } - } - if (e.type == "cut") cm.state.cutIncoming = true; - } - on(te, "cut", prepareCopyCut); - on(te, "copy", prepareCopyCut); - - on(display.scroller, "paste", function(e) { - if (eventInWidget(display, e) || signalDOMEvent(cm, e)) return; - cm.state.pasteIncoming = true; - input.focus(); - }); - - // Prevent normal selection in the editor (we handle our own) - on(display.lineSpace, "selectstart", function(e) { - if (!eventInWidget(display, e)) e_preventDefault(e); - }); - - on(te, "compositionstart", function() { - var start = cm.getCursor("from"); - if (input.composing) input.composing.range.clear() - input.composing = { - start: start, - range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) - }; - }); - on(te, "compositionend", function() { - if (input.composing) { - input.poll(); - input.composing.range.clear(); - input.composing = null; - } - }); - }, - - prepareSelection: function() { - // Redraw the selection and/or cursor - var cm = this.cm, display = cm.display, doc = cm.doc; - var result = prepareSelection(cm); - - // Move the hidden textarea near the cursor to prevent scrolling artifacts - if (cm.options.moveInputWithCursor) { - var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); - var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); - result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, - headPos.top + lineOff.top - wrapOff.top)); - result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, - headPos.left + lineOff.left - wrapOff.left)); - } - - return result; - }, - - showSelection: function(drawn) { - var cm = this.cm, display = cm.display; - removeChildrenAndAdd(display.cursorDiv, drawn.cursors); - removeChildrenAndAdd(display.selectionDiv, drawn.selection); - if (drawn.teTop != null) { - this.wrapper.style.top = drawn.teTop + "px"; - this.wrapper.style.left = drawn.teLeft + "px"; - } - }, - - // Reset the input to correspond to the selection (or to be empty, - // when not typing and nothing is selected) - reset: function(typing) { - if (this.contextMenuPending) return; - var minimal, selected, cm = this.cm, doc = cm.doc; - if (cm.somethingSelected()) { - this.prevInput = ""; - var range = doc.sel.primary(); - minimal = hasCopyEvent && - (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000); - var content = minimal ? "-" : selected || cm.getSelection(); - this.textarea.value = content; - if (cm.state.focused) selectInput(this.textarea); - if (ie && ie_version >= 9) this.hasSelection = content; - } else if (!typing) { - this.prevInput = this.textarea.value = ""; - if (ie && ie_version >= 9) this.hasSelection = null; - } - this.inaccurateSelection = minimal; - }, - - getField: function() { return this.textarea; }, - - supportsTouch: function() { return false; }, - - focus: function() { - if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) { - try { this.textarea.focus(); } - catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM - } - }, - - blur: function() { this.textarea.blur(); }, - - resetPosition: function() { - this.wrapper.style.top = this.wrapper.style.left = 0; - }, - - receivedFocus: function() { this.slowPoll(); }, - - // Poll for input changes, using the normal rate of polling. This - // runs as long as the editor is focused. - slowPoll: function() { - var input = this; - if (input.pollingFast) return; - input.polling.set(this.cm.options.pollInterval, function() { - input.poll(); - if (input.cm.state.focused) input.slowPoll(); - }); - }, - - // When an event has just come in that is likely to add or change - // something in the input textarea, we poll faster, to ensure that - // the change appears on the screen quickly. - fastPoll: function() { - var missed = false, input = this; - input.pollingFast = true; - function p() { - var changed = input.poll(); - if (!changed && !missed) {missed = true; input.polling.set(60, p);} - else {input.pollingFast = false; input.slowPoll();} - } - input.polling.set(20, p); - }, - - // Read input from the textarea, and update the document to match. - // When something is selected, it is present in the textarea, and - // selected (unless it is huge, in which case a placeholder is - // used). When nothing is selected, the cursor sits after previously - // seen text (can be empty), which is stored in prevInput (we must - // not reset the textarea when typing, because that breaks IME). - poll: function() { - var cm = this.cm, input = this.textarea, prevInput = this.prevInput; - // Since this is called a *lot*, try to bail out as cheaply as - // possible when it is clear that nothing happened. hasSelection - // will be the case when there is a lot of text in the textarea, - // in which case reading its value would be expensive. - if (this.contextMenuPending || !cm.state.focused || - (hasSelection(input) && !prevInput && !this.composing) || - cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq) - return false; - - var text = input.value; - // If nothing changed, bail. - if (text == prevInput && !cm.somethingSelected()) return false; - // Work around nonsensical selection resetting in IE9/10, and - // inexplicable appearance of private area unicode characters on - // some key combos in Mac (#2689). - if (ie && ie_version >= 9 && this.hasSelection === text || - mac && /[\uf700-\uf7ff]/.test(text)) { - cm.display.input.reset(); - return false; - } - - if (cm.doc.sel == cm.display.selForContextMenu) { - var first = text.charCodeAt(0); - if (first == 0x200b && !prevInput) prevInput = "\u200b"; - if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo"); } - } - // Find the part of the input that is actually new - var same = 0, l = Math.min(prevInput.length, text.length); - while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same; - - var self = this; - runInOp(cm, function() { - applyTextInput(cm, text.slice(same), prevInput.length - same, - null, self.composing ? "*compose" : null); - - // Don't leave long text in the textarea, since it makes further polling slow - if (text.length > 1000 || text.indexOf("\n") > -1) input.value = self.prevInput = ""; - else self.prevInput = text; - - if (self.composing) { - self.composing.range.clear(); - self.composing.range = cm.markText(self.composing.start, cm.getCursor("to"), - {className: "CodeMirror-composing"}); - } - }); - return true; - }, - - ensurePolled: function() { - if (this.pollingFast && this.poll()) this.pollingFast = false; - }, - - onKeyPress: function() { - if (ie && ie_version >= 9) this.hasSelection = null; - this.fastPoll(); - }, - - onContextMenu: function(e) { - var input = this, cm = input.cm, display = cm.display, te = input.textarea; - var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; - if (!pos || presto) return; // Opera is difficult. - - // Reset the current text selection only if the click is done outside of the selection - // and 'resetSelectionOnContextMenu' option is true. - var reset = cm.options.resetSelectionOnContextMenu; - if (reset && cm.doc.sel.contains(pos) == -1) - operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); - - var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText; - input.wrapper.style.cssText = "position: absolute" - var wrapperBox = input.wrapper.getBoundingClientRect() - te.style.cssText = "position: absolute; width: 30px; height: 30px; top: " + (e.clientY - wrapperBox.top - 5) + - "px; left: " + (e.clientX - wrapperBox.left - 5) + "px; z-index: 1000; background: " + - (ie ? "rgba(255, 255, 255, .05)" : "transparent") + - "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; - if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712) - display.input.focus(); - if (webkit) window.scrollTo(null, oldScrollY); - display.input.reset(); - // Adds "Select all" to context menu in FF - if (!cm.somethingSelected()) te.value = input.prevInput = " "; - input.contextMenuPending = true; - display.selForContextMenu = cm.doc.sel; - clearTimeout(display.detectingSelectAll); - - // Select-all will be greyed out if there's nothing to select, so - // this adds a zero-width space so that we can later check whether - // it got selected. - function prepareSelectAllHack() { - if (te.selectionStart != null) { - var selected = cm.somethingSelected(); - var extval = "\u200b" + (selected ? te.value : ""); - te.value = "\u21da"; // Used to catch context-menu undo - te.value = extval; - input.prevInput = selected ? "" : "\u200b"; - te.selectionStart = 1; te.selectionEnd = extval.length; - // Re-set this, in case some other handler touched the - // selection in the meantime. - display.selForContextMenu = cm.doc.sel; - } - } - function rehide() { - input.contextMenuPending = false; - input.wrapper.style.cssText = oldWrapperCSS - te.style.cssText = oldCSS; - if (ie && ie_version < 9) display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); - - // Try to detect the user choosing select-all - if (te.selectionStart != null) { - if (!ie || (ie && ie_version < 9)) prepareSelectAllHack(); - var i = 0, poll = function() { - if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && - te.selectionEnd > 0 && input.prevInput == "\u200b") - operation(cm, commands.selectAll)(cm); - else if (i++ < 10) display.detectingSelectAll = setTimeout(poll, 500); - else display.input.reset(); - }; - display.detectingSelectAll = setTimeout(poll, 200); - } - } - - if (ie && ie_version >= 9) prepareSelectAllHack(); - if (captureRightClick) { - e_stop(e); - var mouseup = function() { - off(window, "mouseup", mouseup); - setTimeout(rehide, 20); - }; - on(window, "mouseup", mouseup); - } else { - setTimeout(rehide, 50); - } - }, - - readOnlyChanged: function(val) { - if (!val) this.reset(); - }, - - setUneditable: nothing, - - needsContentAttribute: false - }, TextareaInput.prototype); - - // CONTENTEDITABLE INPUT STYLE - - function ContentEditableInput(cm) { - this.cm = cm; - this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null; - this.polling = new Delayed(); - this.gracePeriod = false; - } - - ContentEditableInput.prototype = copyObj({ - init: function(display) { - var input = this, cm = input.cm; - var div = input.div = display.lineDiv; - disableBrowserMagic(div); - - on(div, "paste", function(e) { - if (!signalDOMEvent(cm, e)) handlePaste(e, cm); - }) - - on(div, "compositionstart", function(e) { - var data = e.data; - input.composing = {sel: cm.doc.sel, data: data, startData: data}; - if (!data) return; - var prim = cm.doc.sel.primary(); - var line = cm.getLine(prim.head.line); - var found = line.indexOf(data, Math.max(0, prim.head.ch - data.length)); - if (found > -1 && found <= prim.head.ch) - input.composing.sel = simpleSelection(Pos(prim.head.line, found), - Pos(prim.head.line, found + data.length)); - }); - on(div, "compositionupdate", function(e) { - input.composing.data = e.data; - }); - on(div, "compositionend", function(e) { - var ours = input.composing; - if (!ours) return; - if (e.data != ours.startData && !/\u200b/.test(e.data)) - ours.data = e.data; - // Need a small delay to prevent other code (input event, - // selection polling) from doing damage when fired right after - // compositionend. - setTimeout(function() { - if (!ours.handled) - input.applyComposition(ours); - if (input.composing == ours) - input.composing = null; - }, 50); - }); - - on(div, "touchstart", function() { - input.forceCompositionEnd(); - }); - - on(div, "input", function() { - if (input.composing) return; - if (cm.isReadOnly() || !input.pollContent()) - runInOp(input.cm, function() {regChange(cm);}); - }); - - function onCopyCut(e) { - if (signalDOMEvent(cm, e)) return - if (cm.somethingSelected()) { - lastCopied = cm.getSelections(); - if (e.type == "cut") cm.replaceSelection("", null, "cut"); - } else if (!cm.options.lineWiseCopyCut) { - return; - } else { - var ranges = copyableRanges(cm); - lastCopied = ranges.text; - if (e.type == "cut") { - cm.operation(function() { - cm.setSelections(ranges.ranges, 0, sel_dontScroll); - cm.replaceSelection("", null, "cut"); - }); - } - } - // iOS exposes the clipboard API, but seems to discard content inserted into it - if (e.clipboardData && !ios) { - e.preventDefault(); - e.clipboardData.clearData(); - e.clipboardData.setData("text/plain", lastCopied.join("\n")); - } else { - // Old-fashioned briefly-focus-a-textarea hack - var kludge = hiddenTextarea(), te = kludge.firstChild; - cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); - te.value = lastCopied.join("\n"); - var hadFocus = document.activeElement; - selectInput(te); - setTimeout(function() { - cm.display.lineSpace.removeChild(kludge); - hadFocus.focus(); - }, 50); - } - } - on(div, "copy", onCopyCut); - on(div, "cut", onCopyCut); - }, - - prepareSelection: function() { - var result = prepareSelection(this.cm, false); - result.focus = this.cm.state.focused; - return result; - }, - - showSelection: function(info, takeFocus) { - if (!info || !this.cm.display.view.length) return; - if (info.focus || takeFocus) this.showPrimarySelection(); - this.showMultipleSelections(info); - }, - - showPrimarySelection: function() { - var sel = window.getSelection(), prim = this.cm.doc.sel.primary(); - var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset); - var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset); - if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && - cmp(minPos(curAnchor, curFocus), prim.from()) == 0 && - cmp(maxPos(curAnchor, curFocus), prim.to()) == 0) - return; - - var start = posToDOM(this.cm, prim.from()); - var end = posToDOM(this.cm, prim.to()); - if (!start && !end) return; - - var view = this.cm.display.view; - var old = sel.rangeCount && sel.getRangeAt(0); - if (!start) { - start = {node: view[0].measure.map[2], offset: 0}; - } else if (!end) { // FIXME dangerously hacky - var measure = view[view.length - 1].measure; - var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map; - end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]}; - } - - try { var rng = range(start.node, start.offset, end.offset, end.node); } - catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible - if (rng) { - if (!gecko && this.cm.state.focused) { - sel.collapse(start.node, start.offset); - if (!rng.collapsed) sel.addRange(rng); - } else { - sel.removeAllRanges(); - sel.addRange(rng); - } - if (old && sel.anchorNode == null) sel.addRange(old); - else if (gecko) this.startGracePeriod(); - } - this.rememberSelection(); - }, - - startGracePeriod: function() { - var input = this; - clearTimeout(this.gracePeriod); - this.gracePeriod = setTimeout(function() { - input.gracePeriod = false; - if (input.selectionChanged()) - input.cm.operation(function() { input.cm.curOp.selectionChanged = true; }); - }, 20); - }, - - showMultipleSelections: function(info) { - removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); - removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); - }, - - rememberSelection: function() { - var sel = window.getSelection(); - this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset; - this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset; - }, - - selectionInEditor: function() { - var sel = window.getSelection(); - if (!sel.rangeCount) return false; - var node = sel.getRangeAt(0).commonAncestorContainer; - return contains(this.div, node); - }, - - focus: function() { - if (this.cm.options.readOnly != "nocursor") this.div.focus(); - }, - blur: function() { this.div.blur(); }, - getField: function() { return this.div; }, - - supportsTouch: function() { return true; }, - - receivedFocus: function() { - var input = this; - if (this.selectionInEditor()) - this.pollSelection(); - else - runInOp(this.cm, function() { input.cm.curOp.selectionChanged = true; }); - - function poll() { - if (input.cm.state.focused) { - input.pollSelection(); - input.polling.set(input.cm.options.pollInterval, poll); - } - } - this.polling.set(this.cm.options.pollInterval, poll); - }, - - selectionChanged: function() { - var sel = window.getSelection(); - return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || - sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset; - }, - - pollSelection: function() { - if (!this.composing && !this.gracePeriod && this.selectionChanged()) { - var sel = window.getSelection(), cm = this.cm; - this.rememberSelection(); - var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); - var head = domToPos(cm, sel.focusNode, sel.focusOffset); - if (anchor && head) runInOp(cm, function() { - setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); - if (anchor.bad || head.bad) cm.curOp.selectionChanged = true; - }); - } - }, - - pollContent: function() { - var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); - var from = sel.from(), to = sel.to(); - if (from.line < display.viewFrom || to.line > display.viewTo - 1) return false; - - var fromIndex; - if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { - var fromLine = lineNo(display.view[0].line); - var fromNode = display.view[0].node; - } else { - var fromLine = lineNo(display.view[fromIndex].line); - var fromNode = display.view[fromIndex - 1].node.nextSibling; - } - var toIndex = findViewIndex(cm, to.line); - if (toIndex == display.view.length - 1) { - var toLine = display.viewTo - 1; - var toNode = display.lineDiv.lastChild; - } else { - var toLine = lineNo(display.view[toIndex + 1].line) - 1; - var toNode = display.view[toIndex + 1].node.previousSibling; - } - - var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); - var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)); - while (newText.length > 1 && oldText.length > 1) { - if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; } - else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; } - else break; - } - - var cutFront = 0, cutEnd = 0; - var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length); - while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) - ++cutFront; - var newBot = lst(newText), oldBot = lst(oldText); - var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), - oldBot.length - (oldText.length == 1 ? cutFront : 0)); - while (cutEnd < maxCutEnd && - newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) - ++cutEnd; - - newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd); - newText[0] = newText[0].slice(cutFront); - - var chFrom = Pos(fromLine, cutFront); - var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0); - if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { - replaceRange(cm.doc, newText, chFrom, chTo, "+input"); - return true; - } - }, - - ensurePolled: function() { - this.forceCompositionEnd(); - }, - reset: function() { - this.forceCompositionEnd(); - }, - forceCompositionEnd: function() { - if (!this.composing || this.composing.handled) return; - this.applyComposition(this.composing); - this.composing.handled = true; - this.div.blur(); - this.div.focus(); - }, - applyComposition: function(composing) { - if (this.cm.isReadOnly()) - operation(this.cm, regChange)(this.cm) - else if (composing.data && composing.data != composing.startData) - operation(this.cm, applyTextInput)(this.cm, composing.data, 0, composing.sel); - }, - - setUneditable: function(node) { - node.contentEditable = "false" - }, - - onKeyPress: function(e) { - e.preventDefault(); - if (!this.cm.isReadOnly()) - operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); - }, - - readOnlyChanged: function(val) { - this.div.contentEditable = String(val != "nocursor") - }, - - onContextMenu: nothing, - resetPosition: nothing, - - needsContentAttribute: true - }, ContentEditableInput.prototype); - - function posToDOM(cm, pos) { - var view = findViewForLine(cm, pos.line); - if (!view || view.hidden) return null; - var line = getLine(cm.doc, pos.line); - var info = mapFromLineView(view, line, pos.line); - - var order = getOrder(line), side = "left"; - if (order) { - var partPos = getBidiPartAt(order, pos.ch); - side = partPos % 2 ? "right" : "left"; - } - var result = nodeAndOffsetInLineMap(info.map, pos.ch, side); - result.offset = result.collapse == "right" ? result.end : result.start; - return result; - } - - function badPos(pos, bad) { if (bad) pos.bad = true; return pos; } - - function domToPos(cm, node, offset) { - var lineNode; - if (node == cm.display.lineDiv) { - lineNode = cm.display.lineDiv.childNodes[offset]; - if (!lineNode) return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true); - node = null; offset = 0; - } else { - for (lineNode = node;; lineNode = lineNode.parentNode) { - if (!lineNode || lineNode == cm.display.lineDiv) return null; - if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) break; - } - } - for (var i = 0; i < cm.display.view.length; i++) { - var lineView = cm.display.view[i]; - if (lineView.node == lineNode) - return locateNodeInLineView(lineView, node, offset); - } - } - - function locateNodeInLineView(lineView, node, offset) { - var wrapper = lineView.text.firstChild, bad = false; - if (!node || !contains(wrapper, node)) return badPos(Pos(lineNo(lineView.line), 0), true); - if (node == wrapper) { - bad = true; - node = wrapper.childNodes[offset]; - offset = 0; - if (!node) { - var line = lineView.rest ? lst(lineView.rest) : lineView.line; - return badPos(Pos(lineNo(line), line.text.length), bad); - } - } - - var textNode = node.nodeType == 3 ? node : null, topNode = node; - if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { - textNode = node.firstChild; - if (offset) offset = textNode.nodeValue.length; - } - while (topNode.parentNode != wrapper) topNode = topNode.parentNode; - var measure = lineView.measure, maps = measure.maps; - - function find(textNode, topNode, offset) { - for (var i = -1; i < (maps ? maps.length : 0); i++) { - var map = i < 0 ? measure.map : maps[i]; - for (var j = 0; j < map.length; j += 3) { - var curNode = map[j + 2]; - if (curNode == textNode || curNode == topNode) { - var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]); - var ch = map[j] + offset; - if (offset < 0 || curNode != textNode) ch = map[j + (offset ? 1 : 0)]; - return Pos(line, ch); - } - } - } - } - var found = find(textNode, topNode, offset); - if (found) return badPos(found, bad); - - // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems - for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { - found = find(after, after.firstChild, 0); - if (found) - return badPos(Pos(found.line, found.ch - dist), bad); - else - dist += after.textContent.length; - } - for (var before = topNode.previousSibling, dist = offset; before; before = before.previousSibling) { - found = find(before, before.firstChild, -1); - if (found) - return badPos(Pos(found.line, found.ch + dist), bad); - else - dist += after.textContent.length; - } - } - - function domTextBetween(cm, from, to, fromLine, toLine) { - var text = "", closing = false, lineSep = cm.doc.lineSeparator(); - function recognizeMarker(id) { return function(marker) { return marker.id == id; }; } - function walk(node) { - if (node.nodeType == 1) { - var cmText = node.getAttribute("cm-text"); - if (cmText != null) { - if (cmText == "") cmText = node.textContent.replace(/\u200b/g, ""); - text += cmText; - return; - } - var markerID = node.getAttribute("cm-marker"), range; - if (markerID) { - var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)); - if (found.length && (range = found[0].find())) - text += getBetween(cm.doc, range.from, range.to).join(lineSep); - return; - } - if (node.getAttribute("contenteditable") == "false") return; - for (var i = 0; i < node.childNodes.length; i++) - walk(node.childNodes[i]); - if (/^(pre|div|p)$/i.test(node.nodeName)) - closing = true; - } else if (node.nodeType == 3) { - var val = node.nodeValue; - if (!val) return; - if (closing) { - text += lineSep; - closing = false; - } - text += val; - } - } - for (;;) { - walk(from); - if (from == to) break; - from = from.nextSibling; - } - return text; - } - - CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}; - - // SELECTION / CURSOR - - // Selection objects are immutable. A new one is created every time - // the selection changes. A selection is one or more non-overlapping - // (and non-touching) ranges, sorted, and an integer that indicates - // which one is the primary selection (the one that's scrolled into - // view, that getCursor returns, etc). - function Selection(ranges, primIndex) { - this.ranges = ranges; - this.primIndex = primIndex; - } - - Selection.prototype = { - primary: function() { return this.ranges[this.primIndex]; }, - equals: function(other) { - if (other == this) return true; - if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) return false; - for (var i = 0; i < this.ranges.length; i++) { - var here = this.ranges[i], there = other.ranges[i]; - if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) return false; - } - return true; - }, - deepCopy: function() { - for (var out = [], i = 0; i < this.ranges.length; i++) - out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head)); - return new Selection(out, this.primIndex); - }, - somethingSelected: function() { - for (var i = 0; i < this.ranges.length; i++) - if (!this.ranges[i].empty()) return true; - return false; - }, - contains: function(pos, end) { - if (!end) end = pos; - for (var i = 0; i < this.ranges.length; i++) { - var range = this.ranges[i]; - if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) - return i; - } - return -1; - } - }; - - function Range(anchor, head) { - this.anchor = anchor; this.head = head; - } - - Range.prototype = { - from: function() { return minPos(this.anchor, this.head); }, - to: function() { return maxPos(this.anchor, this.head); }, - empty: function() { - return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch; - } - }; - - // Take an unsorted, potentially overlapping set of ranges, and - // build a selection out of it. 'Consumes' ranges array (modifying - // it). - function normalizeSelection(ranges, primIndex) { - var prim = ranges[primIndex]; - ranges.sort(function(a, b) { return cmp(a.from(), b.from()); }); - primIndex = indexOf(ranges, prim); - for (var i = 1; i < ranges.length; i++) { - var cur = ranges[i], prev = ranges[i - 1]; - if (cmp(prev.to(), cur.from()) >= 0) { - var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()); - var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head; - if (i <= primIndex) --primIndex; - ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)); - } - } - return new Selection(ranges, primIndex); - } - - function simpleSelection(anchor, head) { - return new Selection([new Range(anchor, head || anchor)], 0); - } - - // Most of the external API clips given positions to make sure they - // actually exist within the document. - function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));} - function clipPos(doc, pos) { - if (pos.line < doc.first) return Pos(doc.first, 0); - var last = doc.first + doc.size - 1; - if (pos.line > last) return Pos(last, getLine(doc, last).text.length); - return clipToLen(pos, getLine(doc, pos.line).text.length); - } - function clipToLen(pos, linelen) { - var ch = pos.ch; - if (ch == null || ch > linelen) return Pos(pos.line, linelen); - else if (ch < 0) return Pos(pos.line, 0); - else return pos; - } - function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;} - function clipPosArray(doc, array) { - for (var out = [], i = 0; i < array.length; i++) out[i] = clipPos(doc, array[i]); - return out; - } - - // SELECTION UPDATES - - // The 'scroll' parameter given to many of these indicated whether - // the new cursor position should be scrolled into view after - // modifying the selection. - - // If shift is held or the extend flag is set, extends a range to - // include a given position (and optionally a second position). - // Otherwise, simply returns the range between the given positions. - // Used for cursor motion and such. - function extendRange(doc, range, head, other) { - if (doc.cm && doc.cm.display.shift || doc.extend) { - var anchor = range.anchor; - if (other) { - var posBefore = cmp(head, anchor) < 0; - if (posBefore != (cmp(other, anchor) < 0)) { - anchor = head; - head = other; - } else if (posBefore != (cmp(head, other) < 0)) { - head = other; - } - } - return new Range(anchor, head); - } else { - return new Range(other || head, head); - } - } - - // Extend the primary selection range, discard the rest. - function extendSelection(doc, head, other, options) { - setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options); - } - - // Extend all selections (pos is an array of selections with length - // equal the number of selections) - function extendSelections(doc, heads, options) { - for (var out = [], i = 0; i < doc.sel.ranges.length; i++) - out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null); - var newSel = normalizeSelection(out, doc.sel.primIndex); - setSelection(doc, newSel, options); - } - - // Updates a single range in the selection. - function replaceOneSelection(doc, i, range, options) { - var ranges = doc.sel.ranges.slice(0); - ranges[i] = range; - setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options); - } - - // Reset the selection to a single range. - function setSimpleSelection(doc, anchor, head, options) { - setSelection(doc, simpleSelection(anchor, head), options); - } - - // Give beforeSelectionChange handlers a change to influence a - // selection update. - function filterSelectionChange(doc, sel, options) { - var obj = { - ranges: sel.ranges, - update: function(ranges) { - this.ranges = []; - for (var i = 0; i < ranges.length; i++) - this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), - clipPos(doc, ranges[i].head)); - }, - origin: options && options.origin - }; - signal(doc, "beforeSelectionChange", doc, obj); - if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj); - if (obj.ranges != sel.ranges) return normalizeSelection(obj.ranges, obj.ranges.length - 1); - else return sel; - } - - function setSelectionReplaceHistory(doc, sel, options) { - var done = doc.history.done, last = lst(done); - if (last && last.ranges) { - done[done.length - 1] = sel; - setSelectionNoUndo(doc, sel, options); - } else { - setSelection(doc, sel, options); - } - } - - // Set a new selection. - function setSelection(doc, sel, options) { - setSelectionNoUndo(doc, sel, options); - addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options); - } - - function setSelectionNoUndo(doc, sel, options) { - if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) - sel = filterSelectionChange(doc, sel, options); - - var bias = options && options.bias || - (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1); - setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)); - - if (!(options && options.scroll === false) && doc.cm) - ensureCursorVisible(doc.cm); - } - - function setSelectionInner(doc, sel) { - if (sel.equals(doc.sel)) return; - - doc.sel = sel; - - if (doc.cm) { - doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true; - signalCursorActivity(doc.cm); - } - signalLater(doc, "cursorActivity", doc); - } - - // Verify that the selection does not partially select any atomic - // marked ranges. - function reCheckSelection(doc) { - setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll); - } - - // Return a selection that does not partially select any atomic - // ranges. - function skipAtomicInSelection(doc, sel, bias, mayClear) { - var out; - for (var i = 0; i < sel.ranges.length; i++) { - var range = sel.ranges[i]; - var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i]; - var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear); - var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear); - if (out || newAnchor != range.anchor || newHead != range.head) { - if (!out) out = sel.ranges.slice(0, i); - out[i] = new Range(newAnchor, newHead); - } - } - return out ? normalizeSelection(out, sel.primIndex) : sel; - } - - function skipAtomicInner(doc, pos, oldPos, dir, mayClear) { - var line = getLine(doc, pos.line); - if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) { - var sp = line.markedSpans[i], m = sp.marker; - if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && - (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) { - if (mayClear) { - signal(m, "beforeCursorEnter"); - if (m.explicitlyCleared) { - if (!line.markedSpans) break; - else {--i; continue;} - } - } - if (!m.atomic) continue; - - if (oldPos) { - var near = m.find(dir < 0 ? 1 : -1), diff; - if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft) - near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); - if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0)) - return skipAtomicInner(doc, near, pos, dir, mayClear); - } - - var far = m.find(dir < 0 ? -1 : 1); - if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight) - far = movePos(doc, far, dir, far.line == pos.line ? line : null); - return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null; - } - } - return pos; - } - - // Ensure a given position is not inside an atomic range. - function skipAtomic(doc, pos, oldPos, bias, mayClear) { - var dir = bias || 1; - var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || - (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) || - skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || - (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true)); - if (!found) { - doc.cantEdit = true; - return Pos(doc.first, 0); - } - return found; - } - - function movePos(doc, pos, dir, line) { - if (dir < 0 && pos.ch == 0) { - if (pos.line > doc.first) return clipPos(doc, Pos(pos.line - 1)); - else return null; - } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) { - if (pos.line < doc.first + doc.size - 1) return Pos(pos.line + 1, 0); - else return null; - } else { - return new Pos(pos.line, pos.ch + dir); - } - } - - // SELECTION DRAWING - - function updateSelection(cm) { - cm.display.input.showSelection(cm.display.input.prepareSelection()); - } - - function prepareSelection(cm, primary) { - var doc = cm.doc, result = {}; - var curFragment = result.cursors = document.createDocumentFragment(); - var selFragment = result.selection = document.createDocumentFragment(); - - for (var i = 0; i < doc.sel.ranges.length; i++) { - if (primary === false && i == doc.sel.primIndex) continue; - var range = doc.sel.ranges[i]; - if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) continue; - var collapsed = range.empty(); - if (collapsed || cm.options.showCursorWhenSelecting) - drawSelectionCursor(cm, range.head, curFragment); - if (!collapsed) - drawSelectionRange(cm, range, selFragment); - } - return result; - } - - // Draws a cursor for the given range - function drawSelectionCursor(cm, head, output) { - var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine); - - var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")); - cursor.style.left = pos.left + "px"; - cursor.style.top = pos.top + "px"; - cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; - - if (pos.other) { - // Secondary cursor, shown when on a 'jump' in bi-directional text - var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")); - otherCursor.style.display = ""; - otherCursor.style.left = pos.other.left + "px"; - otherCursor.style.top = pos.other.top + "px"; - otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; - } - } - - // Draws the given range as a highlighted selection - function drawSelectionRange(cm, range, output) { - var display = cm.display, doc = cm.doc; - var fragment = document.createDocumentFragment(); - var padding = paddingH(cm.display), leftSide = padding.left; - var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; - - function add(left, top, width, bottom) { - if (top < 0) top = 0; - top = Math.round(top); - bottom = Math.round(bottom); - fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left + - "px; top: " + top + "px; width: " + (width == null ? rightSide - left : width) + - "px; height: " + (bottom - top) + "px")); - } - - function drawForLine(line, fromArg, toArg) { - var lineObj = getLine(doc, line); - var lineLen = lineObj.text.length; - var start, end; - function coords(ch, bias) { - return charCoords(cm, Pos(line, ch), "div", lineObj, bias); - } - - iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) { - var leftPos = coords(from, "left"), rightPos, left, right; - if (from == to) { - rightPos = leftPos; - left = right = leftPos.left; - } else { - rightPos = coords(to - 1, "right"); - if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; } - left = leftPos.left; - right = rightPos.right; - } - if (fromArg == null && from == 0) left = leftSide; - if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part - add(left, leftPos.top, null, leftPos.bottom); - left = leftSide; - if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top); - } - if (toArg == null && to == lineLen) right = rightSide; - if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left) - start = leftPos; - if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right) - end = rightPos; - if (left < leftSide + 1) left = leftSide; - add(left, rightPos.top, right - left, rightPos.bottom); - }); - return {start: start, end: end}; - } - - var sFrom = range.from(), sTo = range.to(); - if (sFrom.line == sTo.line) { - drawForLine(sFrom.line, sFrom.ch, sTo.ch); - } else { - var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line); - var singleVLine = visualLine(fromLine) == visualLine(toLine); - var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end; - var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start; - if (singleVLine) { - if (leftEnd.top < rightStart.top - 2) { - add(leftEnd.right, leftEnd.top, null, leftEnd.bottom); - add(leftSide, rightStart.top, rightStart.left, rightStart.bottom); - } else { - add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); - } - } - if (leftEnd.bottom < rightStart.top) - add(leftSide, leftEnd.bottom, null, rightStart.top); - } - - output.appendChild(fragment); - } - - // Cursor-blinking - function restartBlink(cm) { - if (!cm.state.focused) return; - var display = cm.display; - clearInterval(display.blinker); - var on = true; - display.cursorDiv.style.visibility = ""; - if (cm.options.cursorBlinkRate > 0) - display.blinker = setInterval(function() { - display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; - }, cm.options.cursorBlinkRate); - else if (cm.options.cursorBlinkRate < 0) - display.cursorDiv.style.visibility = "hidden"; - } - - // HIGHLIGHT WORKER - - function startWorker(cm, time) { - if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo) - cm.state.highlight.set(time, bind(highlightWorker, cm)); - } - - function highlightWorker(cm) { - var doc = cm.doc; - if (doc.frontier < doc.first) doc.frontier = doc.first; - if (doc.frontier >= cm.display.viewTo) return; - var end = +new Date + cm.options.workTime; - var state = copyState(doc.mode, getStateBefore(cm, doc.frontier)); - var changedLines = []; - - doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function(line) { - if (doc.frontier >= cm.display.viewFrom) { // Visible - var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength; - var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true); - line.styles = highlighted.styles; - var oldCls = line.styleClasses, newCls = highlighted.classes; - if (newCls) line.styleClasses = newCls; - else if (oldCls) line.styleClasses = null; - var ischange = !oldStyles || oldStyles.length != line.styles.length || - oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); - for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i]; - if (ischange) changedLines.push(doc.frontier); - line.stateAfter = tooLong ? state : copyState(doc.mode, state); - } else { - if (line.text.length <= cm.options.maxHighlightLength) - processLine(cm, line.text, state); - line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null; - } - ++doc.frontier; - if (+new Date > end) { - startWorker(cm, cm.options.workDelay); - return true; - } - }); - if (changedLines.length) runInOp(cm, function() { - for (var i = 0; i < changedLines.length; i++) - regLineChange(cm, changedLines[i], "text"); - }); - } - - // Finds the line to start with when starting a parse. Tries to - // find a line with a stateAfter, so that it can start with a - // valid state. If that fails, it returns the line with the - // smallest indentation, which tends to need the least context to - // parse correctly. - function findStartLine(cm, n, precise) { - var minindent, minline, doc = cm.doc; - var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100); - for (var search = n; search > lim; --search) { - if (search <= doc.first) return doc.first; - var line = getLine(doc, search - 1); - if (line.stateAfter && (!precise || search <= doc.frontier)) return search; - var indented = countColumn(line.text, null, cm.options.tabSize); - if (minline == null || minindent > indented) { - minline = search - 1; - minindent = indented; - } - } - return minline; - } - - function getStateBefore(cm, n, precise) { - var doc = cm.doc, display = cm.display; - if (!doc.mode.startState) return true; - var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter; - if (!state) state = startState(doc.mode); - else state = copyState(doc.mode, state); - doc.iter(pos, n, function(line) { - processLine(cm, line.text, state); - var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo; - line.stateAfter = save ? copyState(doc.mode, state) : null; - ++pos; - }); - if (precise) doc.frontier = pos; - return state; - } - - // POSITION MEASUREMENT - - function paddingTop(display) {return display.lineSpace.offsetTop;} - function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;} - function paddingH(display) { - if (display.cachedPaddingH) return display.cachedPaddingH; - var e = removeChildrenAndAdd(display.measure, elt("pre", "x")); - var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle; - var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)}; - if (!isNaN(data.left) && !isNaN(data.right)) display.cachedPaddingH = data; - return data; - } - - function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth; } - function displayWidth(cm) { - return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth; - } - function displayHeight(cm) { - return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight; - } - - // Ensure the lineView.wrapping.heights array is populated. This is - // an array of bottom offsets for the lines that make up a drawn - // line. When lineWrapping is on, there might be more than one - // height. - function ensureLineHeights(cm, lineView, rect) { - var wrapping = cm.options.lineWrapping; - var curWidth = wrapping && displayWidth(cm); - if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { - var heights = lineView.measure.heights = []; - if (wrapping) { - lineView.measure.width = curWidth; - var rects = lineView.text.firstChild.getClientRects(); - for (var i = 0; i < rects.length - 1; i++) { - var cur = rects[i], next = rects[i + 1]; - if (Math.abs(cur.bottom - next.bottom) > 2) - heights.push((cur.bottom + next.top) / 2 - rect.top); - } - } - heights.push(rect.bottom - rect.top); - } - } - - // Find a line map (mapping character offsets to text nodes) and a - // measurement cache for the given line number. (A line view might - // contain multiple lines when collapsed ranges are present.) - function mapFromLineView(lineView, line, lineN) { - if (lineView.line == line) - return {map: lineView.measure.map, cache: lineView.measure.cache}; - for (var i = 0; i < lineView.rest.length; i++) - if (lineView.rest[i] == line) - return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]}; - for (var i = 0; i < lineView.rest.length; i++) - if (lineNo(lineView.rest[i]) > lineN) - return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i], before: true}; - } - - // Render a line into the hidden node display.externalMeasured. Used - // when measurement is needed for a line that's not in the viewport. - function updateExternalMeasurement(cm, line) { - line = visualLine(line); - var lineN = lineNo(line); - var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN); - view.lineN = lineN; - var built = view.built = buildLineContent(cm, view); - view.text = built.pre; - removeChildrenAndAdd(cm.display.lineMeasure, built.pre); - return view; - } - - // Get a {top, bottom, left, right} box (in line-local coordinates) - // for a given character. - function measureChar(cm, line, ch, bias) { - return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias); - } - - // Find a line view that corresponds to the given line number. - function findViewForLine(cm, lineN) { - if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) - return cm.display.view[findViewIndex(cm, lineN)]; - var ext = cm.display.externalMeasured; - if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) - return ext; - } - - // Measurement can be split in two steps, the set-up work that - // applies to the whole line, and the measurement of the actual - // character. Functions like coordsChar, that need to do a lot of - // measurements in a row, can thus ensure that the set-up work is - // only done once. - function prepareMeasureForLine(cm, line) { - var lineN = lineNo(line); - var view = findViewForLine(cm, lineN); - if (view && !view.text) { - view = null; - } else if (view && view.changes) { - updateLineForChanges(cm, view, lineN, getDimensions(cm)); - cm.curOp.forceUpdate = true; - } - if (!view) - view = updateExternalMeasurement(cm, line); - - var info = mapFromLineView(view, line, lineN); - return { - line: line, view: view, rect: null, - map: info.map, cache: info.cache, before: info.before, - hasHeights: false - }; - } - - // Given a prepared measurement object, measures the position of an - // actual character (or fetches it from the cache). - function measureCharPrepared(cm, prepared, ch, bias, varHeight) { - if (prepared.before) ch = -1; - var key = ch + (bias || ""), found; - if (prepared.cache.hasOwnProperty(key)) { - found = prepared.cache[key]; - } else { - if (!prepared.rect) - prepared.rect = prepared.view.text.getBoundingClientRect(); - if (!prepared.hasHeights) { - ensureLineHeights(cm, prepared.view, prepared.rect); - prepared.hasHeights = true; - } - found = measureCharInner(cm, prepared, ch, bias); - if (!found.bogus) prepared.cache[key] = found; - } - return {left: found.left, right: found.right, - top: varHeight ? found.rtop : found.top, - bottom: varHeight ? found.rbottom : found.bottom}; - } - - var nullRect = {left: 0, right: 0, top: 0, bottom: 0}; - - function nodeAndOffsetInLineMap(map, ch, bias) { - var node, start, end, collapse; - // First, search the line map for the text node corresponding to, - // or closest to, the target character. - for (var i = 0; i < map.length; i += 3) { - var mStart = map[i], mEnd = map[i + 1]; - if (ch < mStart) { - start = 0; end = 1; - collapse = "left"; - } else if (ch < mEnd) { - start = ch - mStart; - end = start + 1; - } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) { - end = mEnd - mStart; - start = end - 1; - if (ch >= mEnd) collapse = "right"; - } - if (start != null) { - node = map[i + 2]; - if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right")) - collapse = bias; - if (bias == "left" && start == 0) - while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) { - node = map[(i -= 3) + 2]; - collapse = "left"; - } - if (bias == "right" && start == mEnd - mStart) - while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) { - node = map[(i += 3) + 2]; - collapse = "right"; - } - break; - } - } - return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}; - } - - function measureCharInner(cm, prepared, ch, bias) { - var place = nodeAndOffsetInLineMap(prepared.map, ch, bias); - var node = place.node, start = place.start, end = place.end, collapse = place.collapse; - - var rect; - if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. - for (var i = 0; i < 4; i++) { // Retry a maximum of 4 times when nonsense rectangles are returned - while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) --start; - while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) ++end; - if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) { - rect = node.parentNode.getBoundingClientRect(); - } else if (ie && cm.options.lineWrapping) { - var rects = range(node, start, end).getClientRects(); - if (rects.length) - rect = rects[bias == "right" ? rects.length - 1 : 0]; - else - rect = nullRect; - } else { - rect = range(node, start, end).getBoundingClientRect() || nullRect; - } - if (rect.left || rect.right || start == 0) break; - end = start; - start = start - 1; - collapse = "right"; - } - if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect); - } else { // If it is a widget, simply get the box for the whole widget. - if (start > 0) collapse = bias = "right"; - var rects; - if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1) - rect = rects[bias == "right" ? rects.length - 1 : 0]; - else - rect = node.getBoundingClientRect(); - } - if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { - var rSpan = node.parentNode.getClientRects()[0]; - if (rSpan) - rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; - else - rect = nullRect; - } - - var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top; - var mid = (rtop + rbot) / 2; - var heights = prepared.view.measure.heights; - for (var i = 0; i < heights.length - 1; i++) - if (mid < heights[i]) break; - var top = i ? heights[i - 1] : 0, bot = heights[i]; - var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, - right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, - top: top, bottom: bot}; - if (!rect.left && !rect.right) result.bogus = true; - if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; } - - return result; - } - - // Work around problem with bounding client rects on ranges being - // returned incorrectly when zoomed on IE10 and below. - function maybeUpdateRectForZooming(measure, rect) { - if (!window.screen || screen.logicalXDPI == null || - screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) - return rect; - var scaleX = screen.logicalXDPI / screen.deviceXDPI; - var scaleY = screen.logicalYDPI / screen.deviceYDPI; - return {left: rect.left * scaleX, right: rect.right * scaleX, - top: rect.top * scaleY, bottom: rect.bottom * scaleY}; - } - - function clearLineMeasurementCacheFor(lineView) { - if (lineView.measure) { - lineView.measure.cache = {}; - lineView.measure.heights = null; - if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) - lineView.measure.caches[i] = {}; - } - } - - function clearLineMeasurementCache(cm) { - cm.display.externalMeasure = null; - removeChildren(cm.display.lineMeasure); - for (var i = 0; i < cm.display.view.length; i++) - clearLineMeasurementCacheFor(cm.display.view[i]); - } - - function clearCaches(cm) { - clearLineMeasurementCache(cm); - cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null; - if (!cm.options.lineWrapping) cm.display.maxLineChanged = true; - cm.display.lineNumChars = null; - } - - function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft; } - function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop; } - - // Converts a {top, bottom, left, right} box from line-local - // coordinates into another coordinate system. Context may be one of - // "line", "div" (display.lineDiv), "local"/null (editor), "window", - // or "page". - function intoCoordSystem(cm, lineObj, rect, context) { - if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) { - var size = widgetHeight(lineObj.widgets[i]); - rect.top += size; rect.bottom += size; - } - if (context == "line") return rect; - if (!context) context = "local"; - var yOff = heightAtLine(lineObj); - if (context == "local") yOff += paddingTop(cm.display); - else yOff -= cm.display.viewOffset; - if (context == "page" || context == "window") { - var lOff = cm.display.lineSpace.getBoundingClientRect(); - yOff += lOff.top + (context == "window" ? 0 : pageScrollY()); - var xOff = lOff.left + (context == "window" ? 0 : pageScrollX()); - rect.left += xOff; rect.right += xOff; - } - rect.top += yOff; rect.bottom += yOff; - return rect; - } - - // Coverts a box from "div" coords to another coordinate system. - // Context may be "window", "page", "div", or "local"/null. - function fromCoordSystem(cm, coords, context) { - if (context == "div") return coords; - var left = coords.left, top = coords.top; - // First move into "page" coordinate system - if (context == "page") { - left -= pageScrollX(); - top -= pageScrollY(); - } else if (context == "local" || !context) { - var localBox = cm.display.sizer.getBoundingClientRect(); - left += localBox.left; - top += localBox.top; - } - - var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect(); - return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}; - } - - function charCoords(cm, pos, context, lineObj, bias) { - if (!lineObj) lineObj = getLine(cm.doc, pos.line); - return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context); - } - - // Returns a box for a given cursor position, which may have an - // 'other' property containing the position of the secondary cursor - // on a bidi boundary. - function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) { - lineObj = lineObj || getLine(cm.doc, pos.line); - if (!preparedMeasure) preparedMeasure = prepareMeasureForLine(cm, lineObj); - function get(ch, right) { - var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight); - if (right) m.left = m.right; else m.right = m.left; - return intoCoordSystem(cm, lineObj, m, context); - } - function getBidi(ch, partPos) { - var part = order[partPos], right = part.level % 2; - if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) { - part = order[--partPos]; - ch = bidiRight(part) - (part.level % 2 ? 0 : 1); - right = true; - } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) { - part = order[++partPos]; - ch = bidiLeft(part) - part.level % 2; - right = false; - } - if (right && ch == part.to && ch > part.from) return get(ch - 1); - return get(ch, right); - } - var order = getOrder(lineObj), ch = pos.ch; - if (!order) return get(ch); - var partPos = getBidiPartAt(order, ch); - var val = getBidi(ch, partPos); - if (bidiOther != null) val.other = getBidi(ch, bidiOther); - return val; - } - - // Used to cheaply estimate the coordinates for a position. Used for - // intermediate scroll updates. - function estimateCoords(cm, pos) { - var left = 0, pos = clipPos(cm.doc, pos); - if (!cm.options.lineWrapping) left = charWidth(cm.display) * pos.ch; - var lineObj = getLine(cm.doc, pos.line); - var top = heightAtLine(lineObj) + paddingTop(cm.display); - return {left: left, right: left, top: top, bottom: top + lineObj.height}; - } - - // Positions returned by coordsChar contain some extra information. - // xRel is the relative x position of the input coordinates compared - // to the found position (so xRel > 0 means the coordinates are to - // the right of the character position, for example). When outside - // is true, that means the coordinates lie outside the line's - // vertical range. - function PosWithInfo(line, ch, outside, xRel) { - var pos = Pos(line, ch); - pos.xRel = xRel; - if (outside) pos.outside = true; - return pos; - } - - // Compute the character position closest to the given coordinates. - // Input must be lineSpace-local ("div" coordinate system). - function coordsChar(cm, x, y) { - var doc = cm.doc; - y += cm.display.viewOffset; - if (y < 0) return PosWithInfo(doc.first, 0, true, -1); - var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1; - if (lineN > last) - return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1); - if (x < 0) x = 0; - - var lineObj = getLine(doc, lineN); - for (;;) { - var found = coordsCharInner(cm, lineObj, lineN, x, y); - var merged = collapsedSpanAtEnd(lineObj); - var mergedPos = merged && merged.find(0, true); - if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0)) - lineN = lineNo(lineObj = mergedPos.to.line); - else - return found; - } - } - - function coordsCharInner(cm, lineObj, lineNo, x, y) { - var innerOff = y - heightAtLine(lineObj); - var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth; - var preparedMeasure = prepareMeasureForLine(cm, lineObj); - - function getX(ch) { - var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure); - wrongLine = true; - if (innerOff > sp.bottom) return sp.left - adjust; - else if (innerOff < sp.top) return sp.left + adjust; - else wrongLine = false; - return sp.left; - } - - var bidi = getOrder(lineObj), dist = lineObj.text.length; - var from = lineLeft(lineObj), to = lineRight(lineObj); - var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine; - - if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1); - // Do a binary search between these bounds. - for (;;) { - if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) { - var ch = x < fromX || x - fromX <= toX - x ? from : to; - var xDiff = x - (ch == from ? fromX : toX); - while (isExtendingChar(lineObj.text.charAt(ch))) ++ch; - var pos = PosWithInfo(lineNo, ch, ch == from ? fromOutside : toOutside, - xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0); - return pos; - } - var step = Math.ceil(dist / 2), middle = from + step; - if (bidi) { - middle = from; - for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1); - } - var middleX = getX(middle); - if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;} - else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;} - } - } - - var measureText; - // Compute the default text height. - function textHeight(display) { - if (display.cachedTextHeight != null) return display.cachedTextHeight; - if (measureText == null) { - measureText = elt("pre"); - // Measure a bunch of lines, for browsers that compute - // fractional heights. - for (var i = 0; i < 49; ++i) { - measureText.appendChild(document.createTextNode("x")); - measureText.appendChild(elt("br")); - } - measureText.appendChild(document.createTextNode("x")); - } - removeChildrenAndAdd(display.measure, measureText); - var height = measureText.offsetHeight / 50; - if (height > 3) display.cachedTextHeight = height; - removeChildren(display.measure); - return height || 1; - } - - // Compute the default character width. - function charWidth(display) { - if (display.cachedCharWidth != null) return display.cachedCharWidth; - var anchor = elt("span", "xxxxxxxxxx"); - var pre = elt("pre", [anchor]); - removeChildrenAndAdd(display.measure, pre); - var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10; - if (width > 2) display.cachedCharWidth = width; - return width || 10; - } - - // OPERATIONS - - // Operations are used to wrap a series of changes to the editor - // state in such a way that each change won't have to update the - // cursor and display (which would be awkward, slow, and - // error-prone). Instead, display updates are batched and then all - // combined and executed at once. - - var operationGroup = null; - - var nextOpId = 0; - // Start a new operation. - function startOperation(cm) { - cm.curOp = { - cm: cm, - viewChanged: false, // Flag that indicates that lines might need to be redrawn - startHeight: cm.doc.height, // Used to detect need to update scrollbar - forceUpdate: false, // Used to force a redraw - updateInput: null, // Whether to reset the input textarea - typing: false, // Whether this reset should be careful to leave existing text (for compositing) - changeObjs: null, // Accumulated changes, for firing change events - cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on - cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already - selectionChanged: false, // Whether the selection needs to be redrawn - updateMaxLine: false, // Set when the widest line needs to be determined anew - scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet - scrollToPos: null, // Used to scroll to a specific position - focus: false, - id: ++nextOpId // Unique ID - }; - if (operationGroup) { - operationGroup.ops.push(cm.curOp); - } else { - cm.curOp.ownsGroup = operationGroup = { - ops: [cm.curOp], - delayedCallbacks: [] - }; - } - } - - function fireCallbacksForOps(group) { - // Calls delayed callbacks and cursorActivity handlers until no - // new ones appear - var callbacks = group.delayedCallbacks, i = 0; - do { - for (; i < callbacks.length; i++) - callbacks[i].call(null); - for (var j = 0; j < group.ops.length; j++) { - var op = group.ops[j]; - if (op.cursorActivityHandlers) - while (op.cursorActivityCalled < op.cursorActivityHandlers.length) - op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); - } - } while (i < callbacks.length); - } - - // Finish an operation, updating the display and signalling delayed events - function endOperation(cm) { - var op = cm.curOp, group = op.ownsGroup; - if (!group) return; - - try { fireCallbacksForOps(group); } - finally { - operationGroup = null; - for (var i = 0; i < group.ops.length; i++) - group.ops[i].cm.curOp = null; - endOperations(group); - } - } - - // The DOM updates done when an operation finishes are batched so - // that the minimum number of relayouts are required. - function endOperations(group) { - var ops = group.ops; - for (var i = 0; i < ops.length; i++) // Read DOM - endOperation_R1(ops[i]); - for (var i = 0; i < ops.length; i++) // Write DOM (maybe) - endOperation_W1(ops[i]); - for (var i = 0; i < ops.length; i++) // Read DOM - endOperation_R2(ops[i]); - for (var i = 0; i < ops.length; i++) // Write DOM (maybe) - endOperation_W2(ops[i]); - for (var i = 0; i < ops.length; i++) // Read DOM - endOperation_finish(ops[i]); - } - - function endOperation_R1(op) { - var cm = op.cm, display = cm.display; - maybeClipScrollbars(cm); - if (op.updateMaxLine) findMaxLine(cm); - - op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || - op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || - op.scrollToPos.to.line >= display.viewTo) || - display.maxLineChanged && cm.options.lineWrapping; - op.update = op.mustUpdate && - new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate); - } - - function endOperation_W1(op) { - op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update); - } - - function endOperation_R2(op) { - var cm = op.cm, display = cm.display; - if (op.updatedDisplay) updateHeightsInViewport(cm); - - op.barMeasure = measureForScrollbars(cm); - - // If the max line changed since it was last measured, measure it, - // and ensure the document's width matches it. - // updateDisplay_W2 will use these properties to do the actual resizing - if (display.maxLineChanged && !cm.options.lineWrapping) { - op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3; - cm.display.sizerWidth = op.adjustWidthTo; - op.barMeasure.scrollWidth = - Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth); - op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)); - } - - if (op.updatedDisplay || op.selectionChanged) - op.preparedSelection = display.input.prepareSelection(op.focus); - } - - function endOperation_W2(op) { - var cm = op.cm; - - if (op.adjustWidthTo != null) { - cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"; - if (op.maxScrollLeft < cm.doc.scrollLeft) - setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); - cm.display.maxLineChanged = false; - } - - var takeFocus = op.focus && op.focus == activeElt() && (!document.hasFocus || document.hasFocus()) - if (op.preparedSelection) - cm.display.input.showSelection(op.preparedSelection, takeFocus); - if (op.updatedDisplay || op.startHeight != cm.doc.height) - updateScrollbars(cm, op.barMeasure); - if (op.updatedDisplay) - setDocumentHeight(cm, op.barMeasure); - - if (op.selectionChanged) restartBlink(cm); - - if (cm.state.focused && op.updateInput) - cm.display.input.reset(op.typing); - if (takeFocus) ensureFocus(op.cm); - } - - function endOperation_finish(op) { - var cm = op.cm, display = cm.display, doc = cm.doc; - - if (op.updatedDisplay) postUpdateDisplay(cm, op.update); - - // Abort mouse wheel delta measurement, when scrolling explicitly - if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos)) - display.wheelStartX = display.wheelStartY = null; - - // Propagate the scroll position to the actual DOM scroller - if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) { - doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop)); - display.scrollbars.setScrollTop(doc.scrollTop); - display.scroller.scrollTop = doc.scrollTop; - } - if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) { - doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - display.scroller.clientWidth, op.scrollLeft)); - display.scrollbars.setScrollLeft(doc.scrollLeft); - display.scroller.scrollLeft = doc.scrollLeft; - alignHorizontally(cm); - } - // If we need to scroll a specific position into view, do so. - if (op.scrollToPos) { - var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), - clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin); - if (op.scrollToPos.isCursor && cm.state.focused) maybeScrollWindow(cm, coords); - } - - // Fire events for markers that are hidden/unidden by editing or - // undoing - var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers; - if (hidden) for (var i = 0; i < hidden.length; ++i) - if (!hidden[i].lines.length) signal(hidden[i], "hide"); - if (unhidden) for (var i = 0; i < unhidden.length; ++i) - if (unhidden[i].lines.length) signal(unhidden[i], "unhide"); - - if (display.wrapper.offsetHeight) - doc.scrollTop = cm.display.scroller.scrollTop; - - // Fire change events, and delayed event handlers - if (op.changeObjs) - signal(cm, "changes", cm, op.changeObjs); - if (op.update) - op.update.finish(); - } - - // Run the given function in an operation - function runInOp(cm, f) { - if (cm.curOp) return f(); - startOperation(cm); - try { return f(); } - finally { endOperation(cm); } - } - // Wraps a function in an operation. Returns the wrapped function. - function operation(cm, f) { - return function() { - if (cm.curOp) return f.apply(cm, arguments); - startOperation(cm); - try { return f.apply(cm, arguments); } - finally { endOperation(cm); } - }; - } - // Used to add methods to editor and doc instances, wrapping them in - // operations. - function methodOp(f) { - return function() { - if (this.curOp) return f.apply(this, arguments); - startOperation(this); - try { return f.apply(this, arguments); } - finally { endOperation(this); } - }; - } - function docMethodOp(f) { - return function() { - var cm = this.cm; - if (!cm || cm.curOp) return f.apply(this, arguments); - startOperation(cm); - try { return f.apply(this, arguments); } - finally { endOperation(cm); } - }; - } - - // VIEW TRACKING - - // These objects are used to represent the visible (currently drawn) - // part of the document. A LineView may correspond to multiple - // logical lines, if those are connected by collapsed ranges. - function LineView(doc, line, lineN) { - // The starting line - this.line = line; - // Continuing lines, if any - this.rest = visualLineContinued(line); - // Number of logical lines in this visual line - this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1; - this.node = this.text = null; - this.hidden = lineIsHidden(doc, line); - } - - // Create a range of LineView objects for the given lines. - function buildViewArray(cm, from, to) { - var array = [], nextPos; - for (var pos = from; pos < to; pos = nextPos) { - var view = new LineView(cm.doc, getLine(cm.doc, pos), pos); - nextPos = pos + view.size; - array.push(view); - } - return array; - } - - // Updates the display.view data structure for a given change to the - // document. From and to are in pre-change coordinates. Lendiff is - // the amount of lines added or subtracted by the change. This is - // used for changes that span multiple lines, or change the way - // lines are divided into visual lines. regLineChange (below) - // registers single-line changes. - function regChange(cm, from, to, lendiff) { - if (from == null) from = cm.doc.first; - if (to == null) to = cm.doc.first + cm.doc.size; - if (!lendiff) lendiff = 0; - - var display = cm.display; - if (lendiff && to < display.viewTo && - (display.updateLineNumbers == null || display.updateLineNumbers > from)) - display.updateLineNumbers = from; - - cm.curOp.viewChanged = true; - - if (from >= display.viewTo) { // Change after - if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) - resetView(cm); - } else if (to <= display.viewFrom) { // Change before - if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { - resetView(cm); - } else { - display.viewFrom += lendiff; - display.viewTo += lendiff; - } - } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap - resetView(cm); - } else if (from <= display.viewFrom) { // Top overlap - var cut = viewCuttingPoint(cm, to, to + lendiff, 1); - if (cut) { - display.view = display.view.slice(cut.index); - display.viewFrom = cut.lineN; - display.viewTo += lendiff; - } else { - resetView(cm); - } - } else if (to >= display.viewTo) { // Bottom overlap - var cut = viewCuttingPoint(cm, from, from, -1); - if (cut) { - display.view = display.view.slice(0, cut.index); - display.viewTo = cut.lineN; - } else { - resetView(cm); - } - } else { // Gap in the middle - var cutTop = viewCuttingPoint(cm, from, from, -1); - var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1); - if (cutTop && cutBot) { - display.view = display.view.slice(0, cutTop.index) - .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)) - .concat(display.view.slice(cutBot.index)); - display.viewTo += lendiff; - } else { - resetView(cm); - } - } - - var ext = display.externalMeasured; - if (ext) { - if (to < ext.lineN) - ext.lineN += lendiff; - else if (from < ext.lineN + ext.size) - display.externalMeasured = null; - } - } - - // Register a change to a single line. Type must be one of "text", - // "gutter", "class", "widget" - function regLineChange(cm, line, type) { - cm.curOp.viewChanged = true; - var display = cm.display, ext = cm.display.externalMeasured; - if (ext && line >= ext.lineN && line < ext.lineN + ext.size) - display.externalMeasured = null; - - if (line < display.viewFrom || line >= display.viewTo) return; - var lineView = display.view[findViewIndex(cm, line)]; - if (lineView.node == null) return; - var arr = lineView.changes || (lineView.changes = []); - if (indexOf(arr, type) == -1) arr.push(type); - } - - // Clear the view. - function resetView(cm) { - cm.display.viewFrom = cm.display.viewTo = cm.doc.first; - cm.display.view = []; - cm.display.viewOffset = 0; - } - - // Find the view element corresponding to a given line. Return null - // when the line isn't visible. - function findViewIndex(cm, n) { - if (n >= cm.display.viewTo) return null; - n -= cm.display.viewFrom; - if (n < 0) return null; - var view = cm.display.view; - for (var i = 0; i < view.length; i++) { - n -= view[i].size; - if (n < 0) return i; - } - } - - function viewCuttingPoint(cm, oldN, newN, dir) { - var index = findViewIndex(cm, oldN), diff, view = cm.display.view; - if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) - return {index: index, lineN: newN}; - for (var i = 0, n = cm.display.viewFrom; i < index; i++) - n += view[i].size; - if (n != oldN) { - if (dir > 0) { - if (index == view.length - 1) return null; - diff = (n + view[index].size) - oldN; - index++; - } else { - diff = n - oldN; - } - oldN += diff; newN += diff; - } - while (visualLineNo(cm.doc, newN) != newN) { - if (index == (dir < 0 ? 0 : view.length - 1)) return null; - newN += dir * view[index - (dir < 0 ? 1 : 0)].size; - index += dir; - } - return {index: index, lineN: newN}; - } - - // Force the view to cover a given range, adding empty view element - // or clipping off existing ones as needed. - function adjustView(cm, from, to) { - var display = cm.display, view = display.view; - if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { - display.view = buildViewArray(cm, from, to); - display.viewFrom = from; - } else { - if (display.viewFrom > from) - display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); - else if (display.viewFrom < from) - display.view = display.view.slice(findViewIndex(cm, from)); - display.viewFrom = from; - if (display.viewTo < to) - display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); - else if (display.viewTo > to) - display.view = display.view.slice(0, findViewIndex(cm, to)); - } - display.viewTo = to; - } - - // Count the number of lines in the view whose DOM representation is - // out of date (or nonexistent). - function countDirtyView(cm) { - var view = cm.display.view, dirty = 0; - for (var i = 0; i < view.length; i++) { - var lineView = view[i]; - if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty; - } - return dirty; - } - - // EVENT HANDLERS - - // Attach the necessary event handlers when initializing the editor - function registerEventHandlers(cm) { - var d = cm.display; - on(d.scroller, "mousedown", operation(cm, onMouseDown)); - // Older IE's will not fire a second mousedown for a double click - if (ie && ie_version < 11) - on(d.scroller, "dblclick", operation(cm, function(e) { - if (signalDOMEvent(cm, e)) return; - var pos = posFromMouse(cm, e); - if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return; - e_preventDefault(e); - var word = cm.findWordAt(pos); - extendSelection(cm.doc, word.anchor, word.head); - })); - else - on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); }); - // Some browsers fire contextmenu *after* opening the menu, at - // which point we can't mess with it anymore. Context menu is - // handled in onMouseDown for these browsers. - if (!captureRightClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);}); - - // Used to suppress mouse event handling when a touch happens - var touchFinished, prevTouch = {end: 0}; - function finishTouch() { - if (d.activeTouch) { - touchFinished = setTimeout(function() {d.activeTouch = null;}, 1000); - prevTouch = d.activeTouch; - prevTouch.end = +new Date; - } - }; - function isMouseLikeTouchEvent(e) { - if (e.touches.length != 1) return false; - var touch = e.touches[0]; - return touch.radiusX <= 1 && touch.radiusY <= 1; - } - function farAway(touch, other) { - if (other.left == null) return true; - var dx = other.left - touch.left, dy = other.top - touch.top; - return dx * dx + dy * dy > 20 * 20; - } - on(d.scroller, "touchstart", function(e) { - if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e)) { - clearTimeout(touchFinished); - var now = +new Date; - d.activeTouch = {start: now, moved: false, - prev: now - prevTouch.end <= 300 ? prevTouch : null}; - if (e.touches.length == 1) { - d.activeTouch.left = e.touches[0].pageX; - d.activeTouch.top = e.touches[0].pageY; - } - } - }); - on(d.scroller, "touchmove", function() { - if (d.activeTouch) d.activeTouch.moved = true; - }); - on(d.scroller, "touchend", function(e) { - var touch = d.activeTouch; - if (touch && !eventInWidget(d, e) && touch.left != null && - !touch.moved && new Date - touch.start < 300) { - var pos = cm.coordsChar(d.activeTouch, "page"), range; - if (!touch.prev || farAway(touch, touch.prev)) // Single tap - range = new Range(pos, pos); - else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap - range = cm.findWordAt(pos); - else // Triple tap - range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); - cm.setSelection(range.anchor, range.head); - cm.focus(); - e_preventDefault(e); - } - finishTouch(); - }); - on(d.scroller, "touchcancel", finishTouch); - - // Sync scrolling between fake scrollbars and real scrollable - // area, ensure viewport is updated when scrolling. - on(d.scroller, "scroll", function() { - if (d.scroller.clientHeight) { - setScrollTop(cm, d.scroller.scrollTop); - setScrollLeft(cm, d.scroller.scrollLeft, true); - signal(cm, "scroll", cm); - } - }); - - // Listen to wheel events in order to try and update the viewport on time. - on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);}); - on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);}); - - // Prevent wrapper from ever scrolling - on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); - - d.dragFunctions = { - enter: function(e) {if (!signalDOMEvent(cm, e)) e_stop(e);}, - over: function(e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }}, - start: function(e){onDragStart(cm, e);}, - drop: operation(cm, onDrop), - leave: function(e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }} - }; - - var inp = d.input.getField(); - on(inp, "keyup", function(e) { onKeyUp.call(cm, e); }); - on(inp, "keydown", operation(cm, onKeyDown)); - on(inp, "keypress", operation(cm, onKeyPress)); - on(inp, "focus", bind(onFocus, cm)); - on(inp, "blur", bind(onBlur, cm)); - } - - function dragDropChanged(cm, value, old) { - var wasOn = old && old != CodeMirror.Init; - if (!value != !wasOn) { - var funcs = cm.display.dragFunctions; - var toggle = value ? on : off; - toggle(cm.display.scroller, "dragstart", funcs.start); - toggle(cm.display.scroller, "dragenter", funcs.enter); - toggle(cm.display.scroller, "dragover", funcs.over); - toggle(cm.display.scroller, "dragleave", funcs.leave); - toggle(cm.display.scroller, "drop", funcs.drop); - } - } - - // Called when the window resizes - function onResize(cm) { - var d = cm.display; - if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth) - return; - // Might be a text scaling operation, clear size caches. - d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; - d.scrollbarsClipped = false; - cm.setSize(); - } - - // MOUSE EVENTS - - // Return true when the given mouse event happened in a widget - function eventInWidget(display, e) { - for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { - if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || - (n.parentNode == display.sizer && n != display.mover)) - return true; - } - } - - // Given a mouse event, find the corresponding position. If liberal - // is false, it checks whether a gutter or scrollbar was clicked, - // and returns null if it was. forRect is used by rectangular - // selections, and tries to estimate a character position even for - // coordinates beyond the right of the text. - function posFromMouse(cm, e, liberal, forRect) { - var display = cm.display; - if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") return null; - - var x, y, space = display.lineSpace.getBoundingClientRect(); - // Fails unpredictably on IE[67] when mouse is dragged around quickly. - try { x = e.clientX - space.left; y = e.clientY - space.top; } - catch (e) { return null; } - var coords = coordsChar(cm, x, y), line; - if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { - var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length; - coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)); - } - return coords; - } - - // A mouse down can be a single click, double click, triple click, - // start of selection drag, start of text drag, new cursor - // (ctrl-click), rectangle drag (alt-drag), or xwin - // middle-click-paste. Or it might be a click on something we should - // not interfere with, such as a scrollbar or widget. - function onMouseDown(e) { - var cm = this, display = cm.display; - if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) return; - display.shift = e.shiftKey; - - if (eventInWidget(display, e)) { - if (!webkit) { - // Briefly turn off draggability, to allow widgets to do - // normal dragging things. - display.scroller.draggable = false; - setTimeout(function(){display.scroller.draggable = true;}, 100); - } - return; - } - if (clickInGutter(cm, e)) return; - var start = posFromMouse(cm, e); - window.focus(); - - switch (e_button(e)) { - case 1: - // #3261: make sure, that we're not starting a second selection - if (cm.state.selectingText) - cm.state.selectingText(e); - else if (start) - leftButtonDown(cm, e, start); - else if (e_target(e) == display.scroller) - e_preventDefault(e); - break; - case 2: - if (webkit) cm.state.lastMiddleDown = +new Date; - if (start) extendSelection(cm.doc, start); - setTimeout(function() {display.input.focus();}, 20); - e_preventDefault(e); - break; - case 3: - if (captureRightClick) onContextMenu(cm, e); - else delayBlurEvent(cm); - break; - } - } - - var lastClick, lastDoubleClick; - function leftButtonDown(cm, e, start) { - if (ie) setTimeout(bind(ensureFocus, cm), 0); - else cm.curOp.focus = activeElt(); - - var now = +new Date, type; - if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) { - type = "triple"; - } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) { - type = "double"; - lastDoubleClick = {time: now, pos: start}; - } else { - type = "single"; - lastClick = {time: now, pos: start}; - } - - var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained; - if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && - type == "single" && (contained = sel.contains(start)) > -1 && - (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) && - (cmp(contained.to(), start) > 0 || start.xRel < 0)) - leftButtonStartDrag(cm, e, start, modifier); - else - leftButtonSelect(cm, e, start, type, modifier); - } - - // Start a text drag. When it ends, see if any dragging actually - // happen, and treat as a click if it didn't. - function leftButtonStartDrag(cm, e, start, modifier) { - var display = cm.display, startTime = +new Date; - var dragEnd = operation(cm, function(e2) { - if (webkit) display.scroller.draggable = false; - cm.state.draggingText = false; - off(document, "mouseup", dragEnd); - off(display.scroller, "drop", dragEnd); - if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { - e_preventDefault(e2); - if (!modifier && +new Date - 200 < startTime) - extendSelection(cm.doc, start); - // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) - if (webkit || ie && ie_version == 9) - setTimeout(function() {document.body.focus(); display.input.focus();}, 20); - else - display.input.focus(); - } - }); - // Let the drag handler handle this. - if (webkit) display.scroller.draggable = true; - cm.state.draggingText = dragEnd; - // IE's approach to draggable - if (display.scroller.dragDrop) display.scroller.dragDrop(); - on(document, "mouseup", dragEnd); - on(display.scroller, "drop", dragEnd); - } - - // Normal selection, as opposed to text dragging. - function leftButtonSelect(cm, e, start, type, addNew) { - var display = cm.display, doc = cm.doc; - e_preventDefault(e); - - var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; - if (addNew && !e.shiftKey) { - ourIndex = doc.sel.contains(start); - if (ourIndex > -1) - ourRange = ranges[ourIndex]; - else - ourRange = new Range(start, start); - } else { - ourRange = doc.sel.primary(); - ourIndex = doc.sel.primIndex; - } - - if (chromeOS ? e.shiftKey && e.metaKey : e.altKey) { - type = "rect"; - if (!addNew) ourRange = new Range(start, start); - start = posFromMouse(cm, e, true, true); - ourIndex = -1; - } else if (type == "double") { - var word = cm.findWordAt(start); - if (cm.display.shift || doc.extend) - ourRange = extendRange(doc, ourRange, word.anchor, word.head); - else - ourRange = word; - } else if (type == "triple") { - var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0))); - if (cm.display.shift || doc.extend) - ourRange = extendRange(doc, ourRange, line.anchor, line.head); - else - ourRange = line; - } else { - ourRange = extendRange(doc, ourRange, start); - } - - if (!addNew) { - ourIndex = 0; - setSelection(doc, new Selection([ourRange], 0), sel_mouse); - startSel = doc.sel; - } else if (ourIndex == -1) { - ourIndex = ranges.length; - setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex), - {scroll: false, origin: "*mouse"}); - } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) { - setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), - {scroll: false, origin: "*mouse"}); - startSel = doc.sel; - } else { - replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); - } - - var lastPos = start; - function extendTo(pos) { - if (cmp(lastPos, pos) == 0) return; - lastPos = pos; - - if (type == "rect") { - var ranges = [], tabSize = cm.options.tabSize; - var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize); - var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize); - var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); - for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); - line <= end; line++) { - var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize); - if (left == right) - ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); - else if (text.length > leftPos) - ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); - } - if (!ranges.length) ranges.push(new Range(start, start)); - setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), - {origin: "*mouse", scroll: false}); - cm.scrollIntoView(pos); - } else { - var oldRange = ourRange; - var anchor = oldRange.anchor, head = pos; - if (type != "single") { - if (type == "double") - var range = cm.findWordAt(pos); - else - var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0))); - if (cmp(range.anchor, anchor) > 0) { - head = range.head; - anchor = minPos(oldRange.from(), range.anchor); - } else { - head = range.anchor; - anchor = maxPos(oldRange.to(), range.head); - } - } - var ranges = startSel.ranges.slice(0); - ranges[ourIndex] = new Range(clipPos(doc, anchor), head); - setSelection(doc, normalizeSelection(ranges, ourIndex), sel_mouse); - } - } - - var editorSize = display.wrapper.getBoundingClientRect(); - // Used to ensure timeout re-tries don't fire when another extend - // happened in the meantime (clearTimeout isn't reliable -- at - // least on Chrome, the timeouts still happen even when cleared, - // if the clear happens after their scheduled firing time). - var counter = 0; - - function extend(e) { - var curCount = ++counter; - var cur = posFromMouse(cm, e, true, type == "rect"); - if (!cur) return; - if (cmp(cur, lastPos) != 0) { - cm.curOp.focus = activeElt(); - extendTo(cur); - var visible = visibleLines(display, doc); - if (cur.line >= visible.to || cur.line < visible.from) - setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150); - } else { - var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0; - if (outside) setTimeout(operation(cm, function() { - if (counter != curCount) return; - display.scroller.scrollTop += outside; - extend(e); - }), 50); - } - } - - function done(e) { - cm.state.selectingText = false; - counter = Infinity; - e_preventDefault(e); - display.input.focus(); - off(document, "mousemove", move); - off(document, "mouseup", up); - doc.history.lastSelOrigin = null; - } - - var move = operation(cm, function(e) { - if (!e_button(e)) done(e); - else extend(e); - }); - var up = operation(cm, done); - cm.state.selectingText = up; - on(document, "mousemove", move); - on(document, "mouseup", up); - } - - // Determines whether an event happened in the gutter, and fires the - // handlers for the corresponding event. - function gutterEvent(cm, e, type, prevent) { - try { var mX = e.clientX, mY = e.clientY; } - catch(e) { return false; } - if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false; - if (prevent) e_preventDefault(e); - - var display = cm.display; - var lineBox = display.lineDiv.getBoundingClientRect(); - - if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e); - mY -= lineBox.top - display.viewOffset; - - for (var i = 0; i < cm.options.gutters.length; ++i) { - var g = display.gutters.childNodes[i]; - if (g && g.getBoundingClientRect().right >= mX) { - var line = lineAtHeight(cm.doc, mY); - var gutter = cm.options.gutters[i]; - signal(cm, type, cm, line, gutter, e); - return e_defaultPrevented(e); - } - } - } - - function clickInGutter(cm, e) { - return gutterEvent(cm, e, "gutterClick", true); - } - - // Kludge to work around strange IE behavior where it'll sometimes - // re-fire a series of drag-related events right after the drop (#1551) - var lastDrop = 0; - - function onDrop(e) { - var cm = this; - clearDragCursor(cm); - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) - return; - e_preventDefault(e); - if (ie) lastDrop = +new Date; - var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; - if (!pos || cm.isReadOnly()) return; - // Might be a file drop, in which case we simply extract the text - // and insert it. - if (files && files.length && window.FileReader && window.File) { - var n = files.length, text = Array(n), read = 0; - var loadFile = function(file, i) { - if (cm.options.allowDropFileTypes && - indexOf(cm.options.allowDropFileTypes, file.type) == -1) - return; - - var reader = new FileReader; - reader.onload = operation(cm, function() { - var content = reader.result; - if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) content = ""; - text[i] = content; - if (++read == n) { - pos = clipPos(cm.doc, pos); - var change = {from: pos, to: pos, - text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())), - origin: "paste"}; - makeChange(cm.doc, change); - setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change))); - } - }); - reader.readAsText(file); - }; - for (var i = 0; i < n; ++i) loadFile(files[i], i); - } else { // Normal drop - // Don't do a replace if the drop happened inside of the selected text. - if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { - cm.state.draggingText(e); - // Ensure the editor is re-focused - setTimeout(function() {cm.display.input.focus();}, 20); - return; - } - try { - var text = e.dataTransfer.getData("Text"); - if (text) { - if (cm.state.draggingText && !(mac ? e.altKey : e.ctrlKey)) - var selected = cm.listSelections(); - setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); - if (selected) for (var i = 0; i < selected.length; ++i) - replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag"); - cm.replaceSelection(text, "around", "paste"); - cm.display.input.focus(); - } - } - catch(e){} - } - } - - function onDragStart(cm, e) { - if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return; } - if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return; - - e.dataTransfer.setData("Text", cm.getSelection()); - e.dataTransfer.effectAllowed = "copyMove" - - // Use dummy image instead of default browsers image. - // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. - if (e.dataTransfer.setDragImage && !safari) { - var img = elt("img", null, null, "position: fixed; left: 0; top: 0;"); - img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; - if (presto) { - img.width = img.height = 1; - cm.display.wrapper.appendChild(img); - // Force a relayout, or Opera won't use our image for some obscure reason - img._top = img.offsetTop; - } - e.dataTransfer.setDragImage(img, 0, 0); - if (presto) img.parentNode.removeChild(img); - } - } - - function onDragOver(cm, e) { - var pos = posFromMouse(cm, e); - if (!pos) return; - var frag = document.createDocumentFragment(); - drawSelectionCursor(cm, pos, frag); - if (!cm.display.dragCursor) { - cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors"); - cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv); - } - removeChildrenAndAdd(cm.display.dragCursor, frag); - } - - function clearDragCursor(cm) { - if (cm.display.dragCursor) { - cm.display.lineSpace.removeChild(cm.display.dragCursor); - cm.display.dragCursor = null; - } - } - - // SCROLL EVENTS - - // Sync the scrollable area and scrollbars, ensure the viewport - // covers the visible area. - function setScrollTop(cm, val) { - if (Math.abs(cm.doc.scrollTop - val) < 2) return; - cm.doc.scrollTop = val; - if (!gecko) updateDisplaySimple(cm, {top: val}); - if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val; - cm.display.scrollbars.setScrollTop(val); - if (gecko) updateDisplaySimple(cm); - startWorker(cm, 100); - } - // Sync scroller and scrollbar, ensure the gutter elements are - // aligned. - function setScrollLeft(cm, val, isScroller) { - if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return; - val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth); - cm.doc.scrollLeft = val; - alignHorizontally(cm); - if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val; - cm.display.scrollbars.setScrollLeft(val); - } - - // Since the delta values reported on mouse wheel events are - // unstandardized between browsers and even browser versions, and - // generally horribly unpredictable, this code starts by measuring - // the scroll effect that the first few mouse wheel events have, - // and, from that, detects the way it can convert deltas to pixel - // offsets afterwards. - // - // The reason we want to know the amount a wheel event will scroll - // is that it gives us a chance to update the display before the - // actual scrolling happens, reducing flickering. - - var wheelSamples = 0, wheelPixelsPerUnit = null; - // Fill in a browser-detected starting value on browsers where we - // know one. These don't have to be accurate -- the result of them - // being wrong would just be a slight flicker on the first wheel - // scroll (if it is large enough). - if (ie) wheelPixelsPerUnit = -.53; - else if (gecko) wheelPixelsPerUnit = 15; - else if (chrome) wheelPixelsPerUnit = -.7; - else if (safari) wheelPixelsPerUnit = -1/3; - - var wheelEventDelta = function(e) { - var dx = e.wheelDeltaX, dy = e.wheelDeltaY; - if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail; - if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail; - else if (dy == null) dy = e.wheelDelta; - return {x: dx, y: dy}; - }; - CodeMirror.wheelEventPixels = function(e) { - var delta = wheelEventDelta(e); - delta.x *= wheelPixelsPerUnit; - delta.y *= wheelPixelsPerUnit; - return delta; - }; - - function onScrollWheel(cm, e) { - var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y; - - var display = cm.display, scroll = display.scroller; - // Quit if there's nothing to scroll here - var canScrollX = scroll.scrollWidth > scroll.clientWidth; - var canScrollY = scroll.scrollHeight > scroll.clientHeight; - if (!(dx && canScrollX || dy && canScrollY)) return; - - // Webkit browsers on OS X abort momentum scrolls when the target - // of the scroll event is removed from the scrollable element. - // This hack (see related code in patchDisplay) makes sure the - // element is kept around. - if (dy && mac && webkit) { - outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) { - for (var i = 0; i < view.length; i++) { - if (view[i].node == cur) { - cm.display.currentWheelTarget = cur; - break outer; - } - } - } - } - - // On some browsers, horizontal scrolling will cause redraws to - // happen before the gutter has been realigned, causing it to - // wriggle around in a most unseemly way. When we have an - // estimated pixels/delta value, we just handle horizontal - // scrolling entirely here. It'll be slightly off from native, but - // better than glitching out. - if (dx && !gecko && !presto && wheelPixelsPerUnit != null) { - if (dy && canScrollY) - setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight))); - setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth))); - // Only prevent default scrolling if vertical scrolling is - // actually possible. Otherwise, it causes vertical scroll - // jitter on OSX trackpads when deltaX is small and deltaY - // is large (issue #3579) - if (!dy || (dy && canScrollY)) - e_preventDefault(e); - display.wheelStartX = null; // Abort measurement, if in progress - return; - } - - // 'Project' the visible viewport to cover the area that is being - // scrolled into view (if we know enough to estimate it). - if (dy && wheelPixelsPerUnit != null) { - var pixels = dy * wheelPixelsPerUnit; - var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight; - if (pixels < 0) top = Math.max(0, top + pixels - 50); - else bot = Math.min(cm.doc.height, bot + pixels + 50); - updateDisplaySimple(cm, {top: top, bottom: bot}); - } - - if (wheelSamples < 20) { - if (display.wheelStartX == null) { - display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop; - display.wheelDX = dx; display.wheelDY = dy; - setTimeout(function() { - if (display.wheelStartX == null) return; - var movedX = scroll.scrollLeft - display.wheelStartX; - var movedY = scroll.scrollTop - display.wheelStartY; - var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || - (movedX && display.wheelDX && movedX / display.wheelDX); - display.wheelStartX = display.wheelStartY = null; - if (!sample) return; - wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); - ++wheelSamples; - }, 200); - } else { - display.wheelDX += dx; display.wheelDY += dy; - } - } - } - - // KEY EVENTS - - // Run a handler that was bound to a key. - function doHandleBinding(cm, bound, dropShift) { - if (typeof bound == "string") { - bound = commands[bound]; - if (!bound) return false; - } - // Ensure previous input has been read, so that the handler sees a - // consistent view of the document - cm.display.input.ensurePolled(); - var prevShift = cm.display.shift, done = false; - try { - if (cm.isReadOnly()) cm.state.suppressEdits = true; - if (dropShift) cm.display.shift = false; - done = bound(cm) != Pass; - } finally { - cm.display.shift = prevShift; - cm.state.suppressEdits = false; - } - return done; - } - - function lookupKeyForEditor(cm, name, handle) { - for (var i = 0; i < cm.state.keyMaps.length; i++) { - var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); - if (result) return result; - } - return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) - || lookupKey(name, cm.options.keyMap, handle, cm); - } - - var stopSeq = new Delayed; - function dispatchKey(cm, name, e, handle) { - var seq = cm.state.keySeq; - if (seq) { - if (isModifierKey(name)) return "handled"; - stopSeq.set(50, function() { - if (cm.state.keySeq == seq) { - cm.state.keySeq = null; - cm.display.input.reset(); - } - }); - name = seq + " " + name; - } - var result = lookupKeyForEditor(cm, name, handle); - - if (result == "multi") - cm.state.keySeq = name; - if (result == "handled") - signalLater(cm, "keyHandled", cm, name, e); - - if (result == "handled" || result == "multi") { - e_preventDefault(e); - restartBlink(cm); - } - - if (seq && !result && /\'$/.test(name)) { - e_preventDefault(e); - return true; - } - return !!result; - } - - // Handle a key from the keydown event. - function handleKeyBinding(cm, e) { - var name = keyName(e, true); - if (!name) return false; - - if (e.shiftKey && !cm.state.keySeq) { - // First try to resolve full name (including 'Shift-'). Failing - // that, see if there is a cursor-motion command (starting with - // 'go') bound to the keyname without 'Shift-'. - return dispatchKey(cm, "Shift-" + name, e, function(b) {return doHandleBinding(cm, b, true);}) - || dispatchKey(cm, name, e, function(b) { - if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) - return doHandleBinding(cm, b); - }); - } else { - return dispatchKey(cm, name, e, function(b) { return doHandleBinding(cm, b); }); - } - } - - // Handle a key from the keypress event - function handleCharBinding(cm, e, ch) { - return dispatchKey(cm, "'" + ch + "'", e, - function(b) { return doHandleBinding(cm, b, true); }); - } - - var lastStoppedKey = null; - function onKeyDown(e) { - var cm = this; - cm.curOp.focus = activeElt(); - if (signalDOMEvent(cm, e)) return; - // IE does strange things with escape. - if (ie && ie_version < 11 && e.keyCode == 27) e.returnValue = false; - var code = e.keyCode; - cm.display.shift = code == 16 || e.shiftKey; - var handled = handleKeyBinding(cm, e); - if (presto) { - lastStoppedKey = handled ? code : null; - // Opera has no cut event... we try to at least catch the key combo - if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) - cm.replaceSelection("", null, "cut"); - } - - // Turn mouse into crosshair when Alt is held on Mac. - if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) - showCrossHair(cm); - } - - function showCrossHair(cm) { - var lineDiv = cm.display.lineDiv; - addClass(lineDiv, "CodeMirror-crosshair"); - - function up(e) { - if (e.keyCode == 18 || !e.altKey) { - rmClass(lineDiv, "CodeMirror-crosshair"); - off(document, "keyup", up); - off(document, "mouseover", up); - } - } - on(document, "keyup", up); - on(document, "mouseover", up); - } - - function onKeyUp(e) { - if (e.keyCode == 16) this.doc.sel.shift = false; - signalDOMEvent(this, e); - } - - function onKeyPress(e) { - var cm = this; - if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return; - var keyCode = e.keyCode, charCode = e.charCode; - if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;} - if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) return; - var ch = String.fromCharCode(charCode == null ? keyCode : charCode); - if (handleCharBinding(cm, e, ch)) return; - cm.display.input.onKeyPress(e); - } - - // FOCUS/BLUR EVENTS - - function delayBlurEvent(cm) { - cm.state.delayingBlurEvent = true; - setTimeout(function() { - if (cm.state.delayingBlurEvent) { - cm.state.delayingBlurEvent = false; - onBlur(cm); - } - }, 100); - } - - function onFocus(cm) { - if (cm.state.delayingBlurEvent) cm.state.delayingBlurEvent = false; - - if (cm.options.readOnly == "nocursor") return; - if (!cm.state.focused) { - signal(cm, "focus", cm); - cm.state.focused = true; - addClass(cm.display.wrapper, "CodeMirror-focused"); - // This test prevents this from firing when a context - // menu is closed (since the input reset would kill the - // select-all detection hack) - if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { - cm.display.input.reset(); - if (webkit) setTimeout(function() { cm.display.input.reset(true); }, 20); // Issue #1730 - } - cm.display.input.receivedFocus(); - } - restartBlink(cm); - } - function onBlur(cm) { - if (cm.state.delayingBlurEvent) return; - - if (cm.state.focused) { - signal(cm, "blur", cm); - cm.state.focused = false; - rmClass(cm.display.wrapper, "CodeMirror-focused"); - } - clearInterval(cm.display.blinker); - setTimeout(function() {if (!cm.state.focused) cm.display.shift = false;}, 150); - } - - // CONTEXT MENU HANDLING - - // To make the context menu work, we need to briefly unhide the - // textarea (making it as unobtrusive as possible) to let the - // right-click take effect on it. - function onContextMenu(cm, e) { - if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) return; - if (signalDOMEvent(cm, e, "contextmenu")) return; - cm.display.input.onContextMenu(e); - } - - function contextMenuInGutter(cm, e) { - if (!hasHandler(cm, "gutterContextMenu")) return false; - return gutterEvent(cm, e, "gutterContextMenu", false); - } - - // UPDATING - - // Compute the position of the end of a change (its 'to' property - // refers to the pre-change end). - var changeEnd = CodeMirror.changeEnd = function(change) { - if (!change.text) return change.to; - return Pos(change.from.line + change.text.length - 1, - lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)); - }; - - // Adjust a position to refer to the post-change position of the - // same text, or the end of the change if the change covers it. - function adjustForChange(pos, change) { - if (cmp(pos, change.from) < 0) return pos; - if (cmp(pos, change.to) <= 0) return changeEnd(change); - - var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch; - if (pos.line == change.to.line) ch += changeEnd(change).ch - change.to.ch; - return Pos(line, ch); - } - - function computeSelAfterChange(doc, change) { - var out = []; - for (var i = 0; i < doc.sel.ranges.length; i++) { - var range = doc.sel.ranges[i]; - out.push(new Range(adjustForChange(range.anchor, change), - adjustForChange(range.head, change))); - } - return normalizeSelection(out, doc.sel.primIndex); - } - - function offsetPos(pos, old, nw) { - if (pos.line == old.line) - return Pos(nw.line, pos.ch - old.ch + nw.ch); - else - return Pos(nw.line + (pos.line - old.line), pos.ch); - } - - // Used by replaceSelections to allow moving the selection to the - // start or around the replaced test. Hint may be "start" or "around". - function computeReplacedSel(doc, changes, hint) { - var out = []; - var oldPrev = Pos(doc.first, 0), newPrev = oldPrev; - for (var i = 0; i < changes.length; i++) { - var change = changes[i]; - var from = offsetPos(change.from, oldPrev, newPrev); - var to = offsetPos(changeEnd(change), oldPrev, newPrev); - oldPrev = change.to; - newPrev = to; - if (hint == "around") { - var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0; - out[i] = new Range(inv ? to : from, inv ? from : to); - } else { - out[i] = new Range(from, from); - } - } - return new Selection(out, doc.sel.primIndex); - } - - // Allow "beforeChange" event handlers to influence a change - function filterChange(doc, change, update) { - var obj = { - canceled: false, - from: change.from, - to: change.to, - text: change.text, - origin: change.origin, - cancel: function() { this.canceled = true; } - }; - if (update) obj.update = function(from, to, text, origin) { - if (from) this.from = clipPos(doc, from); - if (to) this.to = clipPos(doc, to); - if (text) this.text = text; - if (origin !== undefined) this.origin = origin; - }; - signal(doc, "beforeChange", doc, obj); - if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj); - - if (obj.canceled) return null; - return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}; - } - - // Apply a change to a document, and add it to the document's - // history, and propagating it to all linked documents. - function makeChange(doc, change, ignoreReadOnly) { - if (doc.cm) { - if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly); - if (doc.cm.state.suppressEdits) return; - } - - if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { - change = filterChange(doc, change, true); - if (!change) return; - } - - // Possibly split or suppress the update based on the presence - // of read-only spans in its range. - var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to); - if (split) { - for (var i = split.length - 1; i >= 0; --i) - makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text}); - } else { - makeChangeInner(doc, change); - } - } - - function makeChangeInner(doc, change) { - if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) return; - var selAfter = computeSelAfterChange(doc, change); - addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN); - - makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)); - var rebased = []; - - linkedDocs(doc, function(doc, sharedHist) { - if (!sharedHist && indexOf(rebased, doc.history) == -1) { - rebaseHist(doc.history, change); - rebased.push(doc.history); - } - makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change)); - }); - } - - // Revert a change stored in a document's history. - function makeChangeFromHistory(doc, type, allowSelectionOnly) { - if (doc.cm && doc.cm.state.suppressEdits) return; - - var hist = doc.history, event, selAfter = doc.sel; - var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done; - - // Verify that there is a useable event (so that ctrl-z won't - // needlessly clear selection events) - for (var i = 0; i < source.length; i++) { - event = source[i]; - if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges) - break; - } - if (i == source.length) return; - hist.lastOrigin = hist.lastSelOrigin = null; - - for (;;) { - event = source.pop(); - if (event.ranges) { - pushSelectionToHistory(event, dest); - if (allowSelectionOnly && !event.equals(doc.sel)) { - setSelection(doc, event, {clearRedo: false}); - return; - } - selAfter = event; - } - else break; - } - - // Build up a reverse change object to add to the opposite history - // stack (redo when undoing, and vice versa). - var antiChanges = []; - pushSelectionToHistory(selAfter, dest); - dest.push({changes: antiChanges, generation: hist.generation}); - hist.generation = event.generation || ++hist.maxGeneration; - - var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange"); - - for (var i = event.changes.length - 1; i >= 0; --i) { - var change = event.changes[i]; - change.origin = type; - if (filter && !filterChange(doc, change, false)) { - source.length = 0; - return; - } - - antiChanges.push(historyChangeFromChange(doc, change)); - - var after = i ? computeSelAfterChange(doc, change) : lst(source); - makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); - if (!i && doc.cm) doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); - var rebased = []; - - // Propagate to the linked documents - linkedDocs(doc, function(doc, sharedHist) { - if (!sharedHist && indexOf(rebased, doc.history) == -1) { - rebaseHist(doc.history, change); - rebased.push(doc.history); - } - makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change)); - }); - } - } - - // Sub-views need their line numbers shifted when text is added - // above or below them in the parent document. - function shiftDoc(doc, distance) { - if (distance == 0) return; - doc.first += distance; - doc.sel = new Selection(map(doc.sel.ranges, function(range) { - return new Range(Pos(range.anchor.line + distance, range.anchor.ch), - Pos(range.head.line + distance, range.head.ch)); - }), doc.sel.primIndex); - if (doc.cm) { - regChange(doc.cm, doc.first, doc.first - distance, distance); - for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++) - regLineChange(doc.cm, l, "gutter"); - } - } - - // More lower-level change function, handling only a single document - // (not linked ones). - function makeChangeSingleDoc(doc, change, selAfter, spans) { - if (doc.cm && !doc.cm.curOp) - return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans); - - if (change.to.line < doc.first) { - shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)); - return; - } - if (change.from.line > doc.lastLine()) return; - - // Clip the change to the size of this doc - if (change.from.line < doc.first) { - var shift = change.text.length - 1 - (doc.first - change.from.line); - shiftDoc(doc, shift); - change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch), - text: [lst(change.text)], origin: change.origin}; - } - var last = doc.lastLine(); - if (change.to.line > last) { - change = {from: change.from, to: Pos(last, getLine(doc, last).text.length), - text: [change.text[0]], origin: change.origin}; - } - - change.removed = getBetween(doc, change.from, change.to); - - if (!selAfter) selAfter = computeSelAfterChange(doc, change); - if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans); - else updateDoc(doc, change, spans); - setSelectionNoUndo(doc, selAfter, sel_dontScroll); - } - - // Handle the interaction of a change to a document with the editor - // that this document is part of. - function makeChangeSingleDocInEditor(cm, change, spans) { - var doc = cm.doc, display = cm.display, from = change.from, to = change.to; - - var recomputeMaxLength = false, checkWidthStart = from.line; - if (!cm.options.lineWrapping) { - checkWidthStart = lineNo(visualLine(getLine(doc, from.line))); - doc.iter(checkWidthStart, to.line + 1, function(line) { - if (line == display.maxLine) { - recomputeMaxLength = true; - return true; - } - }); - } - - if (doc.sel.contains(change.from, change.to) > -1) - signalCursorActivity(cm); - - updateDoc(doc, change, spans, estimateHeight(cm)); - - if (!cm.options.lineWrapping) { - doc.iter(checkWidthStart, from.line + change.text.length, function(line) { - var len = lineLength(line); - if (len > display.maxLineLength) { - display.maxLine = line; - display.maxLineLength = len; - display.maxLineChanged = true; - recomputeMaxLength = false; - } - }); - if (recomputeMaxLength) cm.curOp.updateMaxLine = true; - } - - // Adjust frontier, schedule worker - doc.frontier = Math.min(doc.frontier, from.line); - startWorker(cm, 400); - - var lendiff = change.text.length - (to.line - from.line) - 1; - // Remember that these lines changed, for updating the display - if (change.full) - regChange(cm); - else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) - regLineChange(cm, from.line, "text"); - else - regChange(cm, from.line, to.line + 1, lendiff); - - var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change"); - if (changeHandler || changesHandler) { - var obj = { - from: from, to: to, - text: change.text, - removed: change.removed, - origin: change.origin - }; - if (changeHandler) signalLater(cm, "change", cm, obj); - if (changesHandler) (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); - } - cm.display.selForContextMenu = null; - } - - function replaceRange(doc, code, from, to, origin) { - if (!to) to = from; - if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; } - if (typeof code == "string") code = doc.splitLines(code); - makeChange(doc, {from: from, to: to, text: code, origin: origin}); - } - - // SCROLLING THINGS INTO VIEW - - // If an editor sits on the top or bottom of the window, partially - // scrolled out of view, this ensures that the cursor is visible. - function maybeScrollWindow(cm, coords) { - if (signalDOMEvent(cm, "scrollCursorIntoView")) return; - - var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null; - if (coords.top + box.top < 0) doScroll = true; - else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false; - if (doScroll != null && !phantom) { - var scrollNode = elt("div", "\u200b", null, "position: absolute; top: " + - (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " + - (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px; left: " + - coords.left + "px; width: 2px;"); - cm.display.lineSpace.appendChild(scrollNode); - scrollNode.scrollIntoView(doScroll); - cm.display.lineSpace.removeChild(scrollNode); - } - } - - // Scroll a given position into view (immediately), verifying that - // it actually became visible (as line heights are accurately - // measured, the position of something may 'drift' during drawing). - function scrollPosIntoView(cm, pos, end, margin) { - if (margin == null) margin = 0; - for (var limit = 0; limit < 5; limit++) { - var changed = false, coords = cursorCoords(cm, pos); - var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); - var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left), - Math.min(coords.top, endCoords.top) - margin, - Math.max(coords.left, endCoords.left), - Math.max(coords.bottom, endCoords.bottom) + margin); - var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; - if (scrollPos.scrollTop != null) { - setScrollTop(cm, scrollPos.scrollTop); - if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true; - } - if (scrollPos.scrollLeft != null) { - setScrollLeft(cm, scrollPos.scrollLeft); - if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true; - } - if (!changed) break; - } - return coords; - } - - // Scroll a given set of coordinates into view (immediately). - function scrollIntoView(cm, x1, y1, x2, y2) { - var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2); - if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop); - if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft); - } - - // Calculate a new scroll position needed to scroll the given - // rectangle into view. Returns an object with scrollTop and - // scrollLeft properties. When these are undefined, the - // vertical/horizontal position does not need to be adjusted. - function calculateScrollPos(cm, x1, y1, x2, y2) { - var display = cm.display, snapMargin = textHeight(cm.display); - if (y1 < 0) y1 = 0; - var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop; - var screen = displayHeight(cm), result = {}; - if (y2 - y1 > screen) y2 = y1 + screen; - var docBottom = cm.doc.height + paddingVert(display); - var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin; - if (y1 < screentop) { - result.scrollTop = atTop ? 0 : y1; - } else if (y2 > screentop + screen) { - var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen); - if (newTop != screentop) result.scrollTop = newTop; - } - - var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft; - var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0); - var tooWide = x2 - x1 > screenw; - if (tooWide) x2 = x1 + screenw; - if (x1 < 10) - result.scrollLeft = 0; - else if (x1 < screenleft) - result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10)); - else if (x2 > screenw + screenleft - 3) - result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw; - return result; - } - - // Store a relative adjustment to the scroll position in the current - // operation (to be applied when the operation finishes). - function addToScrollPos(cm, left, top) { - if (left != null || top != null) resolveScrollToPos(cm); - if (left != null) - cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left; - if (top != null) - cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top; - } - - // Make sure that at the end of the operation the current cursor is - // shown. - function ensureCursorVisible(cm) { - resolveScrollToPos(cm); - var cur = cm.getCursor(), from = cur, to = cur; - if (!cm.options.lineWrapping) { - from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur; - to = Pos(cur.line, cur.ch + 1); - } - cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true}; - } - - // When an operation has its scrollToPos property set, and another - // scroll action is applied before the end of the operation, this - // 'simulates' scrolling that position into view in a cheap way, so - // that the effect of intermediate scroll commands is not ignored. - function resolveScrollToPos(cm) { - var range = cm.curOp.scrollToPos; - if (range) { - cm.curOp.scrollToPos = null; - var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to); - var sPos = calculateScrollPos(cm, Math.min(from.left, to.left), - Math.min(from.top, to.top) - range.margin, - Math.max(from.right, to.right), - Math.max(from.bottom, to.bottom) + range.margin); - cm.scrollTo(sPos.scrollLeft, sPos.scrollTop); - } - } - - // API UTILITIES - - // Indent the given line. The how parameter can be "smart", - // "add"/null, "subtract", or "prev". When aggressive is false - // (typically set to true for forced single-line indents), empty - // lines are not indented, and places where the mode returns Pass - // are left alone. - function indentLine(cm, n, how, aggressive) { - var doc = cm.doc, state; - if (how == null) how = "add"; - if (how == "smart") { - // Fall back to "prev" when the mode doesn't have an indentation - // method. - if (!doc.mode.indent) how = "prev"; - else state = getStateBefore(cm, n); - } - - var tabSize = cm.options.tabSize; - var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize); - if (line.stateAfter) line.stateAfter = null; - var curSpaceString = line.text.match(/^\s*/)[0], indentation; - if (!aggressive && !/\S/.test(line.text)) { - indentation = 0; - how = "not"; - } else if (how == "smart") { - indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text); - if (indentation == Pass || indentation > 150) { - if (!aggressive) return; - how = "prev"; - } - } - if (how == "prev") { - if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize); - else indentation = 0; - } else if (how == "add") { - indentation = curSpace + cm.options.indentUnit; - } else if (how == "subtract") { - indentation = curSpace - cm.options.indentUnit; - } else if (typeof how == "number") { - indentation = curSpace + how; - } - indentation = Math.max(0, indentation); - - var indentString = "", pos = 0; - if (cm.options.indentWithTabs) - for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} - if (pos < indentation) indentString += spaceStr(indentation - pos); - - if (indentString != curSpaceString) { - replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input"); - line.stateAfter = null; - return true; - } else { - // Ensure that, if the cursor was in the whitespace at the start - // of the line, it is moved to the end of that space. - for (var i = 0; i < doc.sel.ranges.length; i++) { - var range = doc.sel.ranges[i]; - if (range.head.line == n && range.head.ch < curSpaceString.length) { - var pos = Pos(n, curSpaceString.length); - replaceOneSelection(doc, i, new Range(pos, pos)); - break; - } - } - } - } - - // Utility for applying a change to a line by handle or number, - // returning the number and optionally registering the line as - // changed. - function changeLine(doc, handle, changeType, op) { - var no = handle, line = handle; - if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle)); - else no = lineNo(handle); - if (no == null) return null; - if (op(line, no) && doc.cm) regLineChange(doc.cm, no, changeType); - return line; - } - - // Helper for deleting text near the selection(s), used to implement - // backspace, delete, and similar functionality. - function deleteNearSelection(cm, compute) { - var ranges = cm.doc.sel.ranges, kill = []; - // Build up a set of ranges to kill first, merging overlapping - // ranges. - for (var i = 0; i < ranges.length; i++) { - var toKill = compute(ranges[i]); - while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) { - var replaced = kill.pop(); - if (cmp(replaced.from, toKill.from) < 0) { - toKill.from = replaced.from; - break; - } - } - kill.push(toKill); - } - // Next, remove those actual ranges. - runInOp(cm, function() { - for (var i = kill.length - 1; i >= 0; i--) - replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); - ensureCursorVisible(cm); - }); - } - - // Used for horizontal relative motion. Dir is -1 or 1 (left or - // right), unit can be "char", "column" (like char, but doesn't - // cross line boundaries), "word" (across next word), or "group" (to - // the start of next group of word or non-word-non-whitespace - // chars). The visually param controls whether, in right-to-left - // text, direction 1 means to move towards the next index in the - // string, or towards the character to the right of the current - // position. The resulting position will have a hitSide=true - // property if it reached the end of the document. - function findPosH(doc, pos, dir, unit, visually) { - var line = pos.line, ch = pos.ch, origDir = dir; - var lineObj = getLine(doc, line); - function findNextLine() { - var l = line + dir; - if (l < doc.first || l >= doc.first + doc.size) return false - line = l; - return lineObj = getLine(doc, l); - } - function moveOnce(boundToLine) { - var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true); - if (next == null) { - if (!boundToLine && findNextLine()) { - if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj); - else ch = dir < 0 ? lineObj.text.length : 0; - } else return false - } else ch = next; - return true; - } - - if (unit == "char") { - moveOnce() - } else if (unit == "column") { - moveOnce(true) - } else if (unit == "word" || unit == "group") { - var sawType = null, group = unit == "group"; - var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); - for (var first = true;; first = false) { - if (dir < 0 && !moveOnce(!first)) break; - var cur = lineObj.text.charAt(ch) || "\n"; - var type = isWordChar(cur, helper) ? "w" - : group && cur == "\n" ? "n" - : !group || /\s/.test(cur) ? null - : "p"; - if (group && !first && !type) type = "s"; - if (sawType && sawType != type) { - if (dir < 0) {dir = 1; moveOnce();} - break; - } - - if (type) sawType = type; - if (dir > 0 && !moveOnce(!first)) break; - } - } - var result = skipAtomic(doc, Pos(line, ch), pos, origDir, true); - if (!cmp(pos, result)) result.hitSide = true; - return result; - } - - // For relative vertical movement. Dir may be -1 or 1. Unit can be - // "page" or "line". The resulting position will have a hitSide=true - // property if it reached the end of the document. - function findPosV(cm, pos, dir, unit) { - var doc = cm.doc, x = pos.left, y; - if (unit == "page") { - var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight); - y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display)); - } else if (unit == "line") { - y = dir > 0 ? pos.bottom + 3 : pos.top - 3; - } - for (;;) { - var target = coordsChar(cm, x, y); - if (!target.outside) break; - if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; } - y += dir * 5; - } - return target; - } - - // EDITOR METHODS - - // The publicly visible API. Note that methodOp(f) means - // 'wrap f in an operation, performed on its `this` parameter'. - - // This is not the complete set of editor methods. Most of the - // methods defined on the Doc type are also injected into - // CodeMirror.prototype, for backwards compatibility and - // convenience. - - CodeMirror.prototype = { - constructor: CodeMirror, - focus: function(){window.focus(); this.display.input.focus();}, - - setOption: function(option, value) { - var options = this.options, old = options[option]; - if (options[option] == value && option != "mode") return; - options[option] = value; - if (optionHandlers.hasOwnProperty(option)) - operation(this, optionHandlers[option])(this, value, old); - }, - - getOption: function(option) {return this.options[option];}, - getDoc: function() {return this.doc;}, - - addKeyMap: function(map, bottom) { - this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map)); - }, - removeKeyMap: function(map) { - var maps = this.state.keyMaps; - for (var i = 0; i < maps.length; ++i) - if (maps[i] == map || maps[i].name == map) { - maps.splice(i, 1); - return true; - } - }, - - addOverlay: methodOp(function(spec, options) { - var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec); - if (mode.startState) throw new Error("Overlays may not be stateful."); - this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque}); - this.state.modeGen++; - regChange(this); - }), - removeOverlay: methodOp(function(spec) { - var overlays = this.state.overlays; - for (var i = 0; i < overlays.length; ++i) { - var cur = overlays[i].modeSpec; - if (cur == spec || typeof spec == "string" && cur.name == spec) { - overlays.splice(i, 1); - this.state.modeGen++; - regChange(this); - return; - } - } - }), - - indentLine: methodOp(function(n, dir, aggressive) { - if (typeof dir != "string" && typeof dir != "number") { - if (dir == null) dir = this.options.smartIndent ? "smart" : "prev"; - else dir = dir ? "add" : "subtract"; - } - if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive); - }), - indentSelection: methodOp(function(how) { - var ranges = this.doc.sel.ranges, end = -1; - for (var i = 0; i < ranges.length; i++) { - var range = ranges[i]; - if (!range.empty()) { - var from = range.from(), to = range.to(); - var start = Math.max(end, from.line); - end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1; - for (var j = start; j < end; ++j) - indentLine(this, j, how); - var newRanges = this.doc.sel.ranges; - if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) - replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); - } else if (range.head.line > end) { - indentLine(this, range.head.line, how, true); - end = range.head.line; - if (i == this.doc.sel.primIndex) ensureCursorVisible(this); - } - } - }), - - // Fetch the parser token for a given character. Useful for hacks - // that want to inspect the mode state (say, for completion). - getTokenAt: function(pos, precise) { - return takeToken(this, pos, precise); - }, - - getLineTokens: function(line, precise) { - return takeToken(this, Pos(line), precise, true); - }, - - getTokenTypeAt: function(pos) { - pos = clipPos(this.doc, pos); - var styles = getLineStyles(this, getLine(this.doc, pos.line)); - var before = 0, after = (styles.length - 1) / 2, ch = pos.ch; - var type; - if (ch == 0) type = styles[2]; - else for (;;) { - var mid = (before + after) >> 1; - if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid; - else if (styles[mid * 2 + 1] < ch) before = mid + 1; - else { type = styles[mid * 2 + 2]; break; } - } - var cut = type ? type.indexOf("cm-overlay ") : -1; - return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1); - }, - - getModeAt: function(pos) { - var mode = this.doc.mode; - if (!mode.innerMode) return mode; - return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode; - }, - - getHelper: function(pos, type) { - return this.getHelpers(pos, type)[0]; - }, - - getHelpers: function(pos, type) { - var found = []; - if (!helpers.hasOwnProperty(type)) return found; - var help = helpers[type], mode = this.getModeAt(pos); - if (typeof mode[type] == "string") { - if (help[mode[type]]) found.push(help[mode[type]]); - } else if (mode[type]) { - for (var i = 0; i < mode[type].length; i++) { - var val = help[mode[type][i]]; - if (val) found.push(val); - } - } else if (mode.helperType && help[mode.helperType]) { - found.push(help[mode.helperType]); - } else if (help[mode.name]) { - found.push(help[mode.name]); - } - for (var i = 0; i < help._global.length; i++) { - var cur = help._global[i]; - if (cur.pred(mode, this) && indexOf(found, cur.val) == -1) - found.push(cur.val); - } - return found; - }, - - getStateAfter: function(line, precise) { - var doc = this.doc; - line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); - return getStateBefore(this, line + 1, precise); - }, - - cursorCoords: function(start, mode) { - var pos, range = this.doc.sel.primary(); - if (start == null) pos = range.head; - else if (typeof start == "object") pos = clipPos(this.doc, start); - else pos = start ? range.from() : range.to(); - return cursorCoords(this, pos, mode || "page"); - }, - - charCoords: function(pos, mode) { - return charCoords(this, clipPos(this.doc, pos), mode || "page"); - }, - - coordsChar: function(coords, mode) { - coords = fromCoordSystem(this, coords, mode || "page"); - return coordsChar(this, coords.left, coords.top); - }, - - lineAtHeight: function(height, mode) { - height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top; - return lineAtHeight(this.doc, height + this.display.viewOffset); - }, - heightAtLine: function(line, mode) { - var end = false, lineObj; - if (typeof line == "number") { - var last = this.doc.first + this.doc.size - 1; - if (line < this.doc.first) line = this.doc.first; - else if (line > last) { line = last; end = true; } - lineObj = getLine(this.doc, line); - } else { - lineObj = line; - } - return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page").top + - (end ? this.doc.height - heightAtLine(lineObj) : 0); - }, - - defaultTextHeight: function() { return textHeight(this.display); }, - defaultCharWidth: function() { return charWidth(this.display); }, - - setGutterMarker: methodOp(function(line, gutterID, value) { - return changeLine(this.doc, line, "gutter", function(line) { - var markers = line.gutterMarkers || (line.gutterMarkers = {}); - markers[gutterID] = value; - if (!value && isEmpty(markers)) line.gutterMarkers = null; - return true; - }); - }), - - clearGutter: methodOp(function(gutterID) { - var cm = this, doc = cm.doc, i = doc.first; - doc.iter(function(line) { - if (line.gutterMarkers && line.gutterMarkers[gutterID]) { - line.gutterMarkers[gutterID] = null; - regLineChange(cm, i, "gutter"); - if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null; - } - ++i; - }); - }), - - lineInfo: function(line) { - if (typeof line == "number") { - if (!isLine(this.doc, line)) return null; - var n = line; - line = getLine(this.doc, line); - if (!line) return null; - } else { - var n = lineNo(line); - if (n == null) return null; - } - return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, - textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, - widgets: line.widgets}; - }, - - getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo};}, - - addWidget: function(pos, node, scroll, vert, horiz) { - var display = this.display; - pos = cursorCoords(this, clipPos(this.doc, pos)); - var top = pos.bottom, left = pos.left; - node.style.position = "absolute"; - node.setAttribute("cm-ignore-events", "true"); - this.display.input.setUneditable(node); - display.sizer.appendChild(node); - if (vert == "over") { - top = pos.top; - } else if (vert == "above" || vert == "near") { - var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), - hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); - // Default to positioning above (if specified and possible); otherwise default to positioning below - if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) - top = pos.top - node.offsetHeight; - else if (pos.bottom + node.offsetHeight <= vspace) - top = pos.bottom; - if (left + node.offsetWidth > hspace) - left = hspace - node.offsetWidth; - } - node.style.top = top + "px"; - node.style.left = node.style.right = ""; - if (horiz == "right") { - left = display.sizer.clientWidth - node.offsetWidth; - node.style.right = "0px"; - } else { - if (horiz == "left") left = 0; - else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2; - node.style.left = left + "px"; - } - if (scroll) - scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight); - }, - - triggerOnKeyDown: methodOp(onKeyDown), - triggerOnKeyPress: methodOp(onKeyPress), - triggerOnKeyUp: onKeyUp, - - execCommand: function(cmd) { - if (commands.hasOwnProperty(cmd)) - return commands[cmd].call(null, this); - }, - - triggerElectric: methodOp(function(text) { triggerElectric(this, text); }), - - findPosH: function(from, amount, unit, visually) { - var dir = 1; - if (amount < 0) { dir = -1; amount = -amount; } - for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { - cur = findPosH(this.doc, cur, dir, unit, visually); - if (cur.hitSide) break; - } - return cur; - }, - - moveH: methodOp(function(dir, unit) { - var cm = this; - cm.extendSelectionsBy(function(range) { - if (cm.display.shift || cm.doc.extend || range.empty()) - return findPosH(cm.doc, range.head, dir, unit, cm.options.rtlMoveVisually); - else - return dir < 0 ? range.from() : range.to(); - }, sel_move); - }), - - deleteH: methodOp(function(dir, unit) { - var sel = this.doc.sel, doc = this.doc; - if (sel.somethingSelected()) - doc.replaceSelection("", null, "+delete"); - else - deleteNearSelection(this, function(range) { - var other = findPosH(doc, range.head, dir, unit, false); - return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other}; - }); - }), - - findPosV: function(from, amount, unit, goalColumn) { - var dir = 1, x = goalColumn; - if (amount < 0) { dir = -1; amount = -amount; } - for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { - var coords = cursorCoords(this, cur, "div"); - if (x == null) x = coords.left; - else coords.left = x; - cur = findPosV(this, coords, dir, unit); - if (cur.hitSide) break; - } - return cur; - }, - - moveV: methodOp(function(dir, unit) { - var cm = this, doc = this.doc, goals = []; - var collapse = !cm.display.shift && !doc.extend && doc.sel.somethingSelected(); - doc.extendSelectionsBy(function(range) { - if (collapse) - return dir < 0 ? range.from() : range.to(); - var headPos = cursorCoords(cm, range.head, "div"); - if (range.goalColumn != null) headPos.left = range.goalColumn; - goals.push(headPos.left); - var pos = findPosV(cm, headPos, dir, unit); - if (unit == "page" && range == doc.sel.primary()) - addToScrollPos(cm, null, charCoords(cm, pos, "div").top - headPos.top); - return pos; - }, sel_move); - if (goals.length) for (var i = 0; i < doc.sel.ranges.length; i++) - doc.sel.ranges[i].goalColumn = goals[i]; - }), - - // Find the word at the given position (as returned by coordsChar). - findWordAt: function(pos) { - var doc = this.doc, line = getLine(doc, pos.line).text; - var start = pos.ch, end = pos.ch; - if (line) { - var helper = this.getHelper(pos, "wordChars"); - if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end; - var startChar = line.charAt(start); - var check = isWordChar(startChar, helper) - ? function(ch) { return isWordChar(ch, helper); } - : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} - : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);}; - while (start > 0 && check(line.charAt(start - 1))) --start; - while (end < line.length && check(line.charAt(end))) ++end; - } - return new Range(Pos(pos.line, start), Pos(pos.line, end)); - }, - - toggleOverwrite: function(value) { - if (value != null && value == this.state.overwrite) return; - if (this.state.overwrite = !this.state.overwrite) - addClass(this.display.cursorDiv, "CodeMirror-overwrite"); - else - rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); - - signal(this, "overwriteToggle", this, this.state.overwrite); - }, - hasFocus: function() { return this.display.input.getField() == activeElt(); }, - isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit); }, - - scrollTo: methodOp(function(x, y) { - if (x != null || y != null) resolveScrollToPos(this); - if (x != null) this.curOp.scrollLeft = x; - if (y != null) this.curOp.scrollTop = y; - }), - getScrollInfo: function() { - var scroller = this.display.scroller; - return {left: scroller.scrollLeft, top: scroller.scrollTop, - height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, - width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, - clientHeight: displayHeight(this), clientWidth: displayWidth(this)}; - }, - - scrollIntoView: methodOp(function(range, margin) { - if (range == null) { - range = {from: this.doc.sel.primary().head, to: null}; - if (margin == null) margin = this.options.cursorScrollMargin; - } else if (typeof range == "number") { - range = {from: Pos(range, 0), to: null}; - } else if (range.from == null) { - range = {from: range, to: null}; - } - if (!range.to) range.to = range.from; - range.margin = margin || 0; - - if (range.from.line != null) { - resolveScrollToPos(this); - this.curOp.scrollToPos = range; - } else { - var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left), - Math.min(range.from.top, range.to.top) - range.margin, - Math.max(range.from.right, range.to.right), - Math.max(range.from.bottom, range.to.bottom) + range.margin); - this.scrollTo(sPos.scrollLeft, sPos.scrollTop); - } - }), - - setSize: methodOp(function(width, height) { - var cm = this; - function interpret(val) { - return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; - } - if (width != null) cm.display.wrapper.style.width = interpret(width); - if (height != null) cm.display.wrapper.style.height = interpret(height); - if (cm.options.lineWrapping) clearLineMeasurementCache(this); - var lineNo = cm.display.viewFrom; - cm.doc.iter(lineNo, cm.display.viewTo, function(line) { - if (line.widgets) for (var i = 0; i < line.widgets.length; i++) - if (line.widgets[i].noHScroll) { regLineChange(cm, lineNo, "widget"); break; } - ++lineNo; - }); - cm.curOp.forceUpdate = true; - signal(cm, "refresh", this); - }), - - operation: function(f){return runInOp(this, f);}, - - refresh: methodOp(function() { - var oldHeight = this.display.cachedTextHeight; - regChange(this); - this.curOp.forceUpdate = true; - clearCaches(this); - this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop); - updateGutterSpace(this); - if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5) - estimateLineHeights(this); - signal(this, "refresh", this); - }), - - swapDoc: methodOp(function(doc) { - var old = this.doc; - old.cm = null; - attachDoc(this, doc); - clearCaches(this); - this.display.input.reset(); - this.scrollTo(doc.scrollLeft, doc.scrollTop); - this.curOp.forceScroll = true; - signalLater(this, "swapDoc", this, old); - return old; - }), - - getInputField: function(){return this.display.input.getField();}, - getWrapperElement: function(){return this.display.wrapper;}, - getScrollerElement: function(){return this.display.scroller;}, - getGutterElement: function(){return this.display.gutters;} - }; - eventMixin(CodeMirror); - - // OPTION DEFAULTS - - // The default configuration options. - var defaults = CodeMirror.defaults = {}; - // Functions to run when options are changed. - var optionHandlers = CodeMirror.optionHandlers = {}; - - function option(name, deflt, handle, notOnInit) { - CodeMirror.defaults[name] = deflt; - if (handle) optionHandlers[name] = - notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle; - } - - // Passed to option handlers when there is no old value. - var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}}; - - // These two are, on init, called from the constructor because they - // have to be initialized before the editor can start at all. - option("value", "", function(cm, val) { - cm.setValue(val); - }, true); - option("mode", null, function(cm, val) { - cm.doc.modeOption = val; - loadMode(cm); - }, true); - - option("indentUnit", 2, loadMode, true); - option("indentWithTabs", false); - option("smartIndent", true); - option("tabSize", 4, function(cm) { - resetModeState(cm); - clearCaches(cm); - regChange(cm); - }, true); - option("lineSeparator", null, function(cm, val) { - cm.doc.lineSep = val; - if (!val) return; - var newBreaks = [], lineNo = cm.doc.first; - cm.doc.iter(function(line) { - for (var pos = 0;;) { - var found = line.text.indexOf(val, pos); - if (found == -1) break; - pos = found + val.length; - newBreaks.push(Pos(lineNo, found)); - } - lineNo++; - }); - for (var i = newBreaks.length - 1; i >= 0; i--) - replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)) - }); - option("specialChars", /[\u0000-\u001f\u007f\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, function(cm, val, old) { - cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); - if (old != CodeMirror.Init) cm.refresh(); - }); - option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true); - option("electricChars", true); - option("inputStyle", mobile ? "contenteditable" : "textarea", function() { - throw new Error("inputStyle can not (yet) be changed in a running editor"); // FIXME - }, true); - option("rtlMoveVisually", !windows); - option("wholeLineUpdateBefore", true); - - option("theme", "default", function(cm) { - themeChanged(cm); - guttersChanged(cm); - }, true); - option("keyMap", "default", function(cm, val, old) { - var next = getKeyMap(val); - var prev = old != CodeMirror.Init && getKeyMap(old); - if (prev && prev.detach) prev.detach(cm, next); - if (next.attach) next.attach(cm, prev || null); - }); - option("extraKeys", null); - - option("lineWrapping", false, wrappingChanged, true); - option("gutters", [], function(cm) { - setGuttersForLineNumbers(cm.options); - guttersChanged(cm); - }, true); - option("fixedGutter", true, function(cm, val) { - cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; - cm.refresh(); - }, true); - option("coverGutterNextToScrollbar", false, function(cm) {updateScrollbars(cm);}, true); - option("scrollbarStyle", "native", function(cm) { - initScrollbars(cm); - updateScrollbars(cm); - cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); - cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); - }, true); - option("lineNumbers", false, function(cm) { - setGuttersForLineNumbers(cm.options); - guttersChanged(cm); - }, true); - option("firstLineNumber", 1, guttersChanged, true); - option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true); - option("showCursorWhenSelecting", false, updateSelection, true); - - option("resetSelectionOnContextMenu", true); - option("lineWiseCopyCut", true); - - option("readOnly", false, function(cm, val) { - if (val == "nocursor") { - onBlur(cm); - cm.display.input.blur(); - cm.display.disabled = true; - } else { - cm.display.disabled = false; - } - cm.display.input.readOnlyChanged(val) - }); - option("disableInput", false, function(cm, val) {if (!val) cm.display.input.reset();}, true); - option("dragDrop", true, dragDropChanged); - option("allowDropFileTypes", null); - - option("cursorBlinkRate", 530); - option("cursorScrollMargin", 0); - option("cursorHeight", 1, updateSelection, true); - option("singleCursorHeightPerLine", true, updateSelection, true); - option("workTime", 100); - option("workDelay", 100); - option("flattenSpans", true, resetModeState, true); - option("addModeClass", false, resetModeState, true); - option("pollInterval", 100); - option("undoDepth", 200, function(cm, val){cm.doc.history.undoDepth = val;}); - option("historyEventDelay", 1250); - option("viewportMargin", 10, function(cm){cm.refresh();}, true); - option("maxHighlightLength", 10000, resetModeState, true); - option("moveInputWithCursor", true, function(cm, val) { - if (!val) cm.display.input.resetPosition(); - }); - - option("tabindex", null, function(cm, val) { - cm.display.input.getField().tabIndex = val || ""; - }); - option("autofocus", null); - - // MODE DEFINITION AND QUERYING - - // Known modes, by name and by MIME - var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {}; - - // Extra arguments are stored as the mode's dependencies, which is - // used by (legacy) mechanisms like loadmode.js to automatically - // load a mode. (Preferred mechanism is the require/define calls.) - CodeMirror.defineMode = function(name, mode) { - if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; - if (arguments.length > 2) - mode.dependencies = Array.prototype.slice.call(arguments, 2); - modes[name] = mode; - }; - - CodeMirror.defineMIME = function(mime, spec) { - mimeModes[mime] = spec; - }; - - // Given a MIME type, a {name, ...options} config object, or a name - // string, return a mode config object. - CodeMirror.resolveMode = function(spec) { - if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { - spec = mimeModes[spec]; - } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { - var found = mimeModes[spec.name]; - if (typeof found == "string") found = {name: found}; - spec = createObj(found, spec); - spec.name = found.name; - } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { - return CodeMirror.resolveMode("application/xml"); - } - if (typeof spec == "string") return {name: spec}; - else return spec || {name: "null"}; - }; - - // Given a mode spec (anything that resolveMode accepts), find and - // initialize an actual mode object. - CodeMirror.getMode = function(options, spec) { - var spec = CodeMirror.resolveMode(spec); - var mfactory = modes[spec.name]; - if (!mfactory) return CodeMirror.getMode(options, "text/plain"); - var modeObj = mfactory(options, spec); - if (modeExtensions.hasOwnProperty(spec.name)) { - var exts = modeExtensions[spec.name]; - for (var prop in exts) { - if (!exts.hasOwnProperty(prop)) continue; - if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop]; - modeObj[prop] = exts[prop]; - } - } - modeObj.name = spec.name; - if (spec.helperType) modeObj.helperType = spec.helperType; - if (spec.modeProps) for (var prop in spec.modeProps) - modeObj[prop] = spec.modeProps[prop]; - - return modeObj; - }; - - // Minimal default mode. - CodeMirror.defineMode("null", function() { - return {token: function(stream) {stream.skipToEnd();}}; - }); - CodeMirror.defineMIME("text/plain", "null"); - - // This can be used to attach properties to mode objects from - // outside the actual mode definition. - var modeExtensions = CodeMirror.modeExtensions = {}; - CodeMirror.extendMode = function(mode, properties) { - var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); - copyObj(properties, exts); - }; - - // EXTENSIONS - - CodeMirror.defineExtension = function(name, func) { - CodeMirror.prototype[name] = func; - }; - CodeMirror.defineDocExtension = function(name, func) { - Doc.prototype[name] = func; - }; - CodeMirror.defineOption = option; - - var initHooks = []; - CodeMirror.defineInitHook = function(f) {initHooks.push(f);}; - - var helpers = CodeMirror.helpers = {}; - CodeMirror.registerHelper = function(type, name, value) { - if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = {_global: []}; - helpers[type][name] = value; - }; - CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { - CodeMirror.registerHelper(type, name, value); - helpers[type]._global.push({pred: predicate, val: value}); - }; - - // MODE STATE HANDLING - - // Utility functions for working with state. Exported because nested - // modes need to do this for their inner modes. - - var copyState = CodeMirror.copyState = function(mode, state) { - if (state === true) return state; - if (mode.copyState) return mode.copyState(state); - var nstate = {}; - for (var n in state) { - var val = state[n]; - if (val instanceof Array) val = val.concat([]); - nstate[n] = val; - } - return nstate; - }; - - var startState = CodeMirror.startState = function(mode, a1, a2) { - return mode.startState ? mode.startState(a1, a2) : true; - }; - - // Given a mode and a state (for that mode), find the inner mode and - // state at the position that the state refers to. - CodeMirror.innerMode = function(mode, state) { - while (mode.innerMode) { - var info = mode.innerMode(state); - if (!info || info.mode == mode) break; - state = info.state; - mode = info.mode; - } - return info || {mode: mode, state: state}; - }; - - // STANDARD COMMANDS - - // Commands are parameter-less actions that can be performed on an - // editor, mostly used for keybindings. - var commands = CodeMirror.commands = { - selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);}, - singleSelection: function(cm) { - cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); - }, - killLine: function(cm) { - deleteNearSelection(cm, function(range) { - if (range.empty()) { - var len = getLine(cm.doc, range.head.line).text.length; - if (range.head.ch == len && range.head.line < cm.lastLine()) - return {from: range.head, to: Pos(range.head.line + 1, 0)}; - else - return {from: range.head, to: Pos(range.head.line, len)}; - } else { - return {from: range.from(), to: range.to()}; - } - }); - }, - deleteLine: function(cm) { - deleteNearSelection(cm, function(range) { - return {from: Pos(range.from().line, 0), - to: clipPos(cm.doc, Pos(range.to().line + 1, 0))}; - }); - }, - delLineLeft: function(cm) { - deleteNearSelection(cm, function(range) { - return {from: Pos(range.from().line, 0), to: range.from()}; - }); - }, - delWrappedLineLeft: function(cm) { - deleteNearSelection(cm, function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - var leftPos = cm.coordsChar({left: 0, top: top}, "div"); - return {from: leftPos, to: range.from()}; - }); - }, - delWrappedLineRight: function(cm) { - deleteNearSelection(cm, function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); - return {from: range.from(), to: rightPos }; - }); - }, - undo: function(cm) {cm.undo();}, - redo: function(cm) {cm.redo();}, - undoSelection: function(cm) {cm.undoSelection();}, - redoSelection: function(cm) {cm.redoSelection();}, - goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));}, - goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));}, - goLineStart: function(cm) { - cm.extendSelectionsBy(function(range) { return lineStart(cm, range.head.line); }, - {origin: "+move", bias: 1}); - }, - goLineStartSmart: function(cm) { - cm.extendSelectionsBy(function(range) { - return lineStartSmart(cm, range.head); - }, {origin: "+move", bias: 1}); - }, - goLineEnd: function(cm) { - cm.extendSelectionsBy(function(range) { return lineEnd(cm, range.head.line); }, - {origin: "+move", bias: -1}); - }, - goLineRight: function(cm) { - cm.extendSelectionsBy(function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); - }, sel_move); - }, - goLineLeft: function(cm) { - cm.extendSelectionsBy(function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - return cm.coordsChar({left: 0, top: top}, "div"); - }, sel_move); - }, - goLineLeftSmart: function(cm) { - cm.extendSelectionsBy(function(range) { - var top = cm.charCoords(range.head, "div").top + 5; - var pos = cm.coordsChar({left: 0, top: top}, "div"); - if (pos.ch < cm.getLine(pos.line).search(/\S/)) return lineStartSmart(cm, range.head); - return pos; - }, sel_move); - }, - goLineUp: function(cm) {cm.moveV(-1, "line");}, - goLineDown: function(cm) {cm.moveV(1, "line");}, - goPageUp: function(cm) {cm.moveV(-1, "page");}, - goPageDown: function(cm) {cm.moveV(1, "page");}, - goCharLeft: function(cm) {cm.moveH(-1, "char");}, - goCharRight: function(cm) {cm.moveH(1, "char");}, - goColumnLeft: function(cm) {cm.moveH(-1, "column");}, - goColumnRight: function(cm) {cm.moveH(1, "column");}, - goWordLeft: function(cm) {cm.moveH(-1, "word");}, - goGroupRight: function(cm) {cm.moveH(1, "group");}, - goGroupLeft: function(cm) {cm.moveH(-1, "group");}, - goWordRight: function(cm) {cm.moveH(1, "word");}, - delCharBefore: function(cm) {cm.deleteH(-1, "char");}, - delCharAfter: function(cm) {cm.deleteH(1, "char");}, - delWordBefore: function(cm) {cm.deleteH(-1, "word");}, - delWordAfter: function(cm) {cm.deleteH(1, "word");}, - delGroupBefore: function(cm) {cm.deleteH(-1, "group");}, - delGroupAfter: function(cm) {cm.deleteH(1, "group");}, - indentAuto: function(cm) {cm.indentSelection("smart");}, - indentMore: function(cm) {cm.indentSelection("add");}, - indentLess: function(cm) {cm.indentSelection("subtract");}, - insertTab: function(cm) {cm.replaceSelection("\t");}, - insertSoftTab: function(cm) { - var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize; - for (var i = 0; i < ranges.length; i++) { - var pos = ranges[i].from(); - var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); - spaces.push(spaceStr(tabSize - col % tabSize)); - } - cm.replaceSelections(spaces); - }, - defaultTab: function(cm) { - if (cm.somethingSelected()) cm.indentSelection("add"); - else cm.execCommand("insertTab"); - }, - transposeChars: function(cm) { - runInOp(cm, function() { - var ranges = cm.listSelections(), newSel = []; - for (var i = 0; i < ranges.length; i++) { - var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text; - if (line) { - if (cur.ch == line.length) cur = new Pos(cur.line, cur.ch - 1); - if (cur.ch > 0) { - cur = new Pos(cur.line, cur.ch + 1); - cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), - Pos(cur.line, cur.ch - 2), cur, "+transpose"); - } else if (cur.line > cm.doc.first) { - var prev = getLine(cm.doc, cur.line - 1).text; - if (prev) - cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + - prev.charAt(prev.length - 1), - Pos(cur.line - 1, prev.length - 1), Pos(cur.line, 1), "+transpose"); - } - } - newSel.push(new Range(cur, cur)); - } - cm.setSelections(newSel); - }); - }, - newlineAndIndent: function(cm) { - runInOp(cm, function() { - var len = cm.listSelections().length; - for (var i = 0; i < len; i++) { - var range = cm.listSelections()[i]; - cm.replaceRange(cm.doc.lineSeparator(), range.anchor, range.head, "+input"); - cm.indentLine(range.from().line + 1, null, true); - } - ensureCursorVisible(cm); - }); - }, - toggleOverwrite: function(cm) {cm.toggleOverwrite();} - }; - - - // STANDARD KEYMAPS - - var keyMap = CodeMirror.keyMap = {}; - - keyMap.basic = { - "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", - "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", - "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", - "Tab": "defaultTab", "Shift-Tab": "indentAuto", - "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", - "Esc": "singleSelection" - }; - // Note that the save and find-related commands aren't defined by - // default. User code or addons can define them. Unknown commands - // are simply ignored. - keyMap.pcDefault = { - "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", - "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", - "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", - "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", - "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", - "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", - "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", - fallthrough: "basic" - }; - // Very basic readline/emacs-style bindings, which are standard on Mac. - keyMap.emacsy = { - "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", - "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", - "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", - "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars" - }; - keyMap.macDefault = { - "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", - "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", - "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", - "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", - "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", - "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", - "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", - fallthrough: ["basic", "emacsy"] - }; - keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; - - // KEYMAP DISPATCH - - function normalizeKeyName(name) { - var parts = name.split(/-(?!$)/), name = parts[parts.length - 1]; - var alt, ctrl, shift, cmd; - for (var i = 0; i < parts.length - 1; i++) { - var mod = parts[i]; - if (/^(cmd|meta|m)$/i.test(mod)) cmd = true; - else if (/^a(lt)?$/i.test(mod)) alt = true; - else if (/^(c|ctrl|control)$/i.test(mod)) ctrl = true; - else if (/^s(hift)$/i.test(mod)) shift = true; - else throw new Error("Unrecognized modifier name: " + mod); - } - if (alt) name = "Alt-" + name; - if (ctrl) name = "Ctrl-" + name; - if (cmd) name = "Cmd-" + name; - if (shift) name = "Shift-" + name; - return name; - } - - // This is a kludge to keep keymaps mostly working as raw objects - // (backwards compatibility) while at the same time support features - // like normalization and multi-stroke key bindings. It compiles a - // new normalized keymap, and then updates the old object to reflect - // this. - CodeMirror.normalizeKeyMap = function(keymap) { - var copy = {}; - for (var keyname in keymap) if (keymap.hasOwnProperty(keyname)) { - var value = keymap[keyname]; - if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) continue; - if (value == "...") { delete keymap[keyname]; continue; } - - var keys = map(keyname.split(" "), normalizeKeyName); - for (var i = 0; i < keys.length; i++) { - var val, name; - if (i == keys.length - 1) { - name = keys.join(" "); - val = value; - } else { - name = keys.slice(0, i + 1).join(" "); - val = "..."; - } - var prev = copy[name]; - if (!prev) copy[name] = val; - else if (prev != val) throw new Error("Inconsistent bindings for " + name); - } - delete keymap[keyname]; - } - for (var prop in copy) keymap[prop] = copy[prop]; - return keymap; - }; - - var lookupKey = CodeMirror.lookupKey = function(key, map, handle, context) { - map = getKeyMap(map); - var found = map.call ? map.call(key, context) : map[key]; - if (found === false) return "nothing"; - if (found === "...") return "multi"; - if (found != null && handle(found)) return "handled"; - - if (map.fallthrough) { - if (Object.prototype.toString.call(map.fallthrough) != "[object Array]") - return lookupKey(key, map.fallthrough, handle, context); - for (var i = 0; i < map.fallthrough.length; i++) { - var result = lookupKey(key, map.fallthrough[i], handle, context); - if (result) return result; - } - } - }; - - // Modifier key presses don't count as 'real' key presses for the - // purpose of keymap fallthrough. - var isModifierKey = CodeMirror.isModifierKey = function(value) { - var name = typeof value == "string" ? value : keyNames[value.keyCode]; - return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; - }; - - // Look up the name of a key as indicated by an event object. - var keyName = CodeMirror.keyName = function(event, noShift) { - if (presto && event.keyCode == 34 && event["char"]) return false; - var base = keyNames[event.keyCode], name = base; - if (name == null || event.altGraphKey) return false; - if (event.altKey && base != "Alt") name = "Alt-" + name; - if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") name = "Ctrl-" + name; - if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") name = "Cmd-" + name; - if (!noShift && event.shiftKey && base != "Shift") name = "Shift-" + name; - return name; - }; - - function getKeyMap(val) { - return typeof val == "string" ? keyMap[val] : val; - } - - // FROMTEXTAREA - - CodeMirror.fromTextArea = function(textarea, options) { - options = options ? copyObj(options) : {}; - options.value = textarea.value; - if (!options.tabindex && textarea.tabIndex) - options.tabindex = textarea.tabIndex; - if (!options.placeholder && textarea.placeholder) - options.placeholder = textarea.placeholder; - // Set autofocus to true if this textarea is focused, or if it has - // autofocus and no other element is focused. - if (options.autofocus == null) { - var hasFocus = activeElt(); - options.autofocus = hasFocus == textarea || - textarea.getAttribute("autofocus") != null && hasFocus == document.body; - } - - function save() {textarea.value = cm.getValue();} - if (textarea.form) { - on(textarea.form, "submit", save); - // Deplorable hack to make the submit method do the right thing. - if (!options.leaveSubmitMethodAlone) { - var form = textarea.form, realSubmit = form.submit; - try { - var wrappedSubmit = form.submit = function() { - save(); - form.submit = realSubmit; - form.submit(); - form.submit = wrappedSubmit; - }; - } catch(e) {} - } - } - - options.finishInit = function(cm) { - cm.save = save; - cm.getTextArea = function() { return textarea; }; - cm.toTextArea = function() { - cm.toTextArea = isNaN; // Prevent this from being ran twice - save(); - textarea.parentNode.removeChild(cm.getWrapperElement()); - textarea.style.display = ""; - if (textarea.form) { - off(textarea.form, "submit", save); - if (typeof textarea.form.submit == "function") - textarea.form.submit = realSubmit; - } - }; - }; - - textarea.style.display = "none"; - var cm = CodeMirror(function(node) { - textarea.parentNode.insertBefore(node, textarea.nextSibling); - }, options); - return cm; - }; - - // STRING STREAM - - // Fed to the mode parsers, provides helper functions to make - // parsers more succinct. - - var StringStream = CodeMirror.StringStream = function(string, tabSize) { - this.pos = this.start = 0; - this.string = string; - this.tabSize = tabSize || 8; - this.lastColumnPos = this.lastColumnValue = 0; - this.lineStart = 0; - }; - - StringStream.prototype = { - eol: function() {return this.pos >= this.string.length;}, - sol: function() {return this.pos == this.lineStart;}, - peek: function() {return this.string.charAt(this.pos) || undefined;}, - next: function() { - if (this.pos < this.string.length) - return this.string.charAt(this.pos++); - }, - eat: function(match) { - var ch = this.string.charAt(this.pos); - if (typeof match == "string") var ok = ch == match; - else var ok = ch && (match.test ? match.test(ch) : match(ch)); - if (ok) {++this.pos; return ch;} - }, - eatWhile: function(match) { - var start = this.pos; - while (this.eat(match)){} - return this.pos > start; - }, - eatSpace: function() { - var start = this.pos; - while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; - return this.pos > start; - }, - skipToEnd: function() {this.pos = this.string.length;}, - skipTo: function(ch) { - var found = this.string.indexOf(ch, this.pos); - if (found > -1) {this.pos = found; return true;} - }, - backUp: function(n) {this.pos -= n;}, - column: function() { - if (this.lastColumnPos < this.start) { - this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); - this.lastColumnPos = this.start; - } - return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0); - }, - indentation: function() { - return countColumn(this.string, null, this.tabSize) - - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0); - }, - match: function(pattern, consume, caseInsensitive) { - if (typeof pattern == "string") { - var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;}; - var substr = this.string.substr(this.pos, pattern.length); - if (cased(substr) == cased(pattern)) { - if (consume !== false) this.pos += pattern.length; - return true; - } - } else { - var match = this.string.slice(this.pos).match(pattern); - if (match && match.index > 0) return null; - if (match && consume !== false) this.pos += match[0].length; - return match; - } - }, - current: function(){return this.string.slice(this.start, this.pos);}, - hideFirstChars: function(n, inner) { - this.lineStart += n; - try { return inner(); } - finally { this.lineStart -= n; } - } - }; - - // TEXTMARKERS - - // Created with markText and setBookmark methods. A TextMarker is a - // handle that can be used to clear or find a marked position in the - // document. Line objects hold arrays (markedSpans) containing - // {from, to, marker} object pointing to such marker objects, and - // indicating that such a marker is present on that line. Multiple - // lines may point to the same marker when it spans across lines. - // The spans will have null for their from/to properties when the - // marker continues beyond the start/end of the line. Markers have - // links back to the lines they currently touch. - - var nextMarkerId = 0; - - var TextMarker = CodeMirror.TextMarker = function(doc, type) { - this.lines = []; - this.type = type; - this.doc = doc; - this.id = ++nextMarkerId; - }; - eventMixin(TextMarker); - - // Clear the marker. - TextMarker.prototype.clear = function() { - if (this.explicitlyCleared) return; - var cm = this.doc.cm, withOp = cm && !cm.curOp; - if (withOp) startOperation(cm); - if (hasHandler(this, "clear")) { - var found = this.find(); - if (found) signalLater(this, "clear", found.from, found.to); - } - var min = null, max = null; - for (var i = 0; i < this.lines.length; ++i) { - var line = this.lines[i]; - var span = getMarkedSpanFor(line.markedSpans, this); - if (cm && !this.collapsed) regLineChange(cm, lineNo(line), "text"); - else if (cm) { - if (span.to != null) max = lineNo(line); - if (span.from != null) min = lineNo(line); - } - line.markedSpans = removeMarkedSpan(line.markedSpans, span); - if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm) - updateLineHeight(line, textHeight(cm.display)); - } - if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) { - var visual = visualLine(this.lines[i]), len = lineLength(visual); - if (len > cm.display.maxLineLength) { - cm.display.maxLine = visual; - cm.display.maxLineLength = len; - cm.display.maxLineChanged = true; - } - } - - if (min != null && cm && this.collapsed) regChange(cm, min, max + 1); - this.lines.length = 0; - this.explicitlyCleared = true; - if (this.atomic && this.doc.cantEdit) { - this.doc.cantEdit = false; - if (cm) reCheckSelection(cm.doc); - } - if (cm) signalLater(cm, "markerCleared", cm, this); - if (withOp) endOperation(cm); - if (this.parent) this.parent.clear(); - }; - - // Find the position of the marker in the document. Returns a {from, - // to} object by default. Side can be passed to get a specific side - // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the - // Pos objects returned contain a line object, rather than a line - // number (used to prevent looking up the same line twice). - TextMarker.prototype.find = function(side, lineObj) { - if (side == null && this.type == "bookmark") side = 1; - var from, to; - for (var i = 0; i < this.lines.length; ++i) { - var line = this.lines[i]; - var span = getMarkedSpanFor(line.markedSpans, this); - if (span.from != null) { - from = Pos(lineObj ? line : lineNo(line), span.from); - if (side == -1) return from; - } - if (span.to != null) { - to = Pos(lineObj ? line : lineNo(line), span.to); - if (side == 1) return to; - } - } - return from && {from: from, to: to}; - }; - - // Signals that the marker's widget changed, and surrounding layout - // should be recomputed. - TextMarker.prototype.changed = function() { - var pos = this.find(-1, true), widget = this, cm = this.doc.cm; - if (!pos || !cm) return; - runInOp(cm, function() { - var line = pos.line, lineN = lineNo(pos.line); - var view = findViewForLine(cm, lineN); - if (view) { - clearLineMeasurementCacheFor(view); - cm.curOp.selectionChanged = cm.curOp.forceUpdate = true; - } - cm.curOp.updateMaxLine = true; - if (!lineIsHidden(widget.doc, line) && widget.height != null) { - var oldHeight = widget.height; - widget.height = null; - var dHeight = widgetHeight(widget) - oldHeight; - if (dHeight) - updateLineHeight(line, line.height + dHeight); - } - }); - }; - - TextMarker.prototype.attachLine = function(line) { - if (!this.lines.length && this.doc.cm) { - var op = this.doc.cm.curOp; - if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) - (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); - } - this.lines.push(line); - }; - TextMarker.prototype.detachLine = function(line) { - this.lines.splice(indexOf(this.lines, line), 1); - if (!this.lines.length && this.doc.cm) { - var op = this.doc.cm.curOp; - (op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this); - } - }; - - // Collapsed markers have unique ids, in order to be able to order - // them, which is needed for uniquely determining an outer marker - // when they overlap (they may nest, but not partially overlap). - var nextMarkerId = 0; - - // Create a marker, wire it up to the right lines, and - function markText(doc, from, to, options, type) { - // Shared markers (across linked documents) are handled separately - // (markTextShared will call out to this again, once per - // document). - if (options && options.shared) return markTextShared(doc, from, to, options, type); - // Ensure we are in an operation. - if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type); - - var marker = new TextMarker(doc, type), diff = cmp(from, to); - if (options) copyObj(options, marker, false); - // Don't connect empty markers unless clearWhenEmpty is false - if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false) - return marker; - if (marker.replacedWith) { - // Showing up as a widget implies collapsed (widget replaces text) - marker.collapsed = true; - marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget"); - if (!options.handleMouseEvents) marker.widgetNode.setAttribute("cm-ignore-events", "true"); - if (options.insertLeft) marker.widgetNode.insertLeft = true; - } - if (marker.collapsed) { - if (conflictingCollapsedRange(doc, from.line, from, to, marker) || - from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) - throw new Error("Inserting collapsed marker partially overlapping an existing one"); - sawCollapsedSpans = true; - } - - if (marker.addToHistory) - addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); - - var curLine = from.line, cm = doc.cm, updateMaxLine; - doc.iter(curLine, to.line + 1, function(line) { - if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) - updateMaxLine = true; - if (marker.collapsed && curLine != from.line) updateLineHeight(line, 0); - addMarkedSpan(line, new MarkedSpan(marker, - curLine == from.line ? from.ch : null, - curLine == to.line ? to.ch : null)); - ++curLine; - }); - // lineIsHidden depends on the presence of the spans, so needs a second pass - if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) { - if (lineIsHidden(doc, line)) updateLineHeight(line, 0); - }); - - if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); }); - - if (marker.readOnly) { - sawReadOnlySpans = true; - if (doc.history.done.length || doc.history.undone.length) - doc.clearHistory(); - } - if (marker.collapsed) { - marker.id = ++nextMarkerId; - marker.atomic = true; - } - if (cm) { - // Sync editor state - if (updateMaxLine) cm.curOp.updateMaxLine = true; - if (marker.collapsed) - regChange(cm, from.line, to.line + 1); - else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css) - for (var i = from.line; i <= to.line; i++) regLineChange(cm, i, "text"); - if (marker.atomic) reCheckSelection(cm.doc); - signalLater(cm, "markerAdded", cm, marker); - } - return marker; - } - - // SHARED TEXTMARKERS - - // A shared marker spans multiple linked documents. It is - // implemented as a meta-marker-object controlling multiple normal - // markers. - var SharedTextMarker = CodeMirror.SharedTextMarker = function(markers, primary) { - this.markers = markers; - this.primary = primary; - for (var i = 0; i < markers.length; ++i) - markers[i].parent = this; - }; - eventMixin(SharedTextMarker); - - SharedTextMarker.prototype.clear = function() { - if (this.explicitlyCleared) return; - this.explicitlyCleared = true; - for (var i = 0; i < this.markers.length; ++i) - this.markers[i].clear(); - signalLater(this, "clear"); - }; - SharedTextMarker.prototype.find = function(side, lineObj) { - return this.primary.find(side, lineObj); - }; - - function markTextShared(doc, from, to, options, type) { - options = copyObj(options); - options.shared = false; - var markers = [markText(doc, from, to, options, type)], primary = markers[0]; - var widget = options.widgetNode; - linkedDocs(doc, function(doc) { - if (widget) options.widgetNode = widget.cloneNode(true); - markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)); - for (var i = 0; i < doc.linked.length; ++i) - if (doc.linked[i].isParent) return; - primary = lst(markers); - }); - return new SharedTextMarker(markers, primary); - } - - function findSharedMarkers(doc) { - return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), - function(m) { return m.parent; }); - } - - function copySharedMarkers(doc, markers) { - for (var i = 0; i < markers.length; i++) { - var marker = markers[i], pos = marker.find(); - var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to); - if (cmp(mFrom, mTo)) { - var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type); - marker.markers.push(subMark); - subMark.parent = marker; - } - } - } - - function detachSharedMarkers(markers) { - for (var i = 0; i < markers.length; i++) { - var marker = markers[i], linked = [marker.primary.doc];; - linkedDocs(marker.primary.doc, function(d) { linked.push(d); }); - for (var j = 0; j < marker.markers.length; j++) { - var subMarker = marker.markers[j]; - if (indexOf(linked, subMarker.doc) == -1) { - subMarker.parent = null; - marker.markers.splice(j--, 1); - } - } - } - } - - // TEXTMARKER SPANS - - function MarkedSpan(marker, from, to) { - this.marker = marker; - this.from = from; this.to = to; - } - - // Search an array of spans for a span matching the given marker. - function getMarkedSpanFor(spans, marker) { - if (spans) for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if (span.marker == marker) return span; - } - } - // Remove a span from an array, returning undefined if no spans are - // left (we don't store arrays for lines without spans). - function removeMarkedSpan(spans, span) { - for (var r, i = 0; i < spans.length; ++i) - if (spans[i] != span) (r || (r = [])).push(spans[i]); - return r; - } - // Add a span to a line. - function addMarkedSpan(line, span) { - line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]; - span.marker.attachLine(line); - } - - // Used for the algorithm that adjusts markers for a change in the - // document. These functions cut an array of spans at a given - // character position, returning an array of remaining chunks (or - // undefined if nothing remains). - function markedSpansBefore(old, startCh, isInsert) { - if (old) for (var i = 0, nw; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); - if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh); - (nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)); - } - } - return nw; - } - function markedSpansAfter(old, endCh, isInsert) { - if (old) for (var i = 0, nw; i < old.length; ++i) { - var span = old[i], marker = span.marker; - var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); - if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { - var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh); - (nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, - span.to == null ? null : span.to - endCh)); - } - } - return nw; - } - - // Given a change object, compute the new set of marker spans that - // cover the line in which the change took place. Removes spans - // entirely within the change, reconnects spans belonging to the - // same marker that appear on both sides of the change, and cuts off - // spans partially within the change. Returns an array of span - // arrays with one element for each line in (after) the change. - function stretchSpansOverChange(doc, change) { - if (change.full) return null; - var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; - var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; - if (!oldFirst && !oldLast) return null; - - var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0; - // Get the spans that 'stick out' on both sides - var first = markedSpansBefore(oldFirst, startCh, isInsert); - var last = markedSpansAfter(oldLast, endCh, isInsert); - - // Next, merge those two ends - var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0); - if (first) { - // Fix up .to properties of first - for (var i = 0; i < first.length; ++i) { - var span = first[i]; - if (span.to == null) { - var found = getMarkedSpanFor(last, span.marker); - if (!found) span.to = startCh; - else if (sameLine) span.to = found.to == null ? null : found.to + offset; - } - } - } - if (last) { - // Fix up .from in last (or move them into first in case of sameLine) - for (var i = 0; i < last.length; ++i) { - var span = last[i]; - if (span.to != null) span.to += offset; - if (span.from == null) { - var found = getMarkedSpanFor(first, span.marker); - if (!found) { - span.from = offset; - if (sameLine) (first || (first = [])).push(span); - } - } else { - span.from += offset; - if (sameLine) (first || (first = [])).push(span); - } - } - } - // Make sure we didn't create any zero-length spans - if (first) first = clearEmptySpans(first); - if (last && last != first) last = clearEmptySpans(last); - - var newMarkers = [first]; - if (!sameLine) { - // Fill gap with whole-line-spans - var gap = change.text.length - 2, gapMarkers; - if (gap > 0 && first) - for (var i = 0; i < first.length; ++i) - if (first[i].to == null) - (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null)); - for (var i = 0; i < gap; ++i) - newMarkers.push(gapMarkers); - newMarkers.push(last); - } - return newMarkers; - } - - // Remove spans that are empty and don't have a clearWhenEmpty - // option of false. - function clearEmptySpans(spans) { - for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) - spans.splice(i--, 1); - } - if (!spans.length) return null; - return spans; - } - - // Used for un/re-doing changes from the history. Combines the - // result of computing the existing spans with the set of spans that - // existed in the history (so that deleting around a span and then - // undoing brings back the span). - function mergeOldSpans(doc, change) { - var old = getOldSpans(doc, change); - var stretched = stretchSpansOverChange(doc, change); - if (!old) return stretched; - if (!stretched) return old; - - for (var i = 0; i < old.length; ++i) { - var oldCur = old[i], stretchCur = stretched[i]; - if (oldCur && stretchCur) { - spans: for (var j = 0; j < stretchCur.length; ++j) { - var span = stretchCur[j]; - for (var k = 0; k < oldCur.length; ++k) - if (oldCur[k].marker == span.marker) continue spans; - oldCur.push(span); - } - } else if (stretchCur) { - old[i] = stretchCur; - } - } - return old; - } - - // Used to 'clip' out readOnly ranges when making a change. - function removeReadOnlyRanges(doc, from, to) { - var markers = null; - doc.iter(from.line, to.line + 1, function(line) { - if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) { - var mark = line.markedSpans[i].marker; - if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) - (markers || (markers = [])).push(mark); - } - }); - if (!markers) return null; - var parts = [{from: from, to: to}]; - for (var i = 0; i < markers.length; ++i) { - var mk = markers[i], m = mk.find(0); - for (var j = 0; j < parts.length; ++j) { - var p = parts[j]; - if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) continue; - var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to); - if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) - newParts.push({from: p.from, to: m.from}); - if (dto > 0 || !mk.inclusiveRight && !dto) - newParts.push({from: m.to, to: p.to}); - parts.splice.apply(parts, newParts); - j += newParts.length - 1; - } - } - return parts; - } - - // Connect or disconnect spans from a line. - function detachMarkedSpans(line) { - var spans = line.markedSpans; - if (!spans) return; - for (var i = 0; i < spans.length; ++i) - spans[i].marker.detachLine(line); - line.markedSpans = null; - } - function attachMarkedSpans(line, spans) { - if (!spans) return; - for (var i = 0; i < spans.length; ++i) - spans[i].marker.attachLine(line); - line.markedSpans = spans; - } - - // Helpers used when computing which overlapping collapsed span - // counts as the larger one. - function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0; } - function extraRight(marker) { return marker.inclusiveRight ? 1 : 0; } - - // Returns a number indicating which of two overlapping collapsed - // spans is larger (and thus includes the other). Falls back to - // comparing ids when the spans cover exactly the same range. - function compareCollapsedMarkers(a, b) { - var lenDiff = a.lines.length - b.lines.length; - if (lenDiff != 0) return lenDiff; - var aPos = a.find(), bPos = b.find(); - var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b); - if (fromCmp) return -fromCmp; - var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b); - if (toCmp) return toCmp; - return b.id - a.id; - } - - // Find out whether a line ends or starts in a collapsed span. If - // so, return the marker for that span. - function collapsedSpanAtSide(line, start) { - var sps = sawCollapsedSpans && line.markedSpans, found; - if (sps) for (var sp, i = 0; i < sps.length; ++i) { - sp = sps[i]; - if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && - (!found || compareCollapsedMarkers(found, sp.marker) < 0)) - found = sp.marker; - } - return found; - } - function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true); } - function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false); } - - // Test whether there exists a collapsed span that partially - // overlaps (covers the start or end, but not both) of a new span. - // Such overlap is not allowed. - function conflictingCollapsedRange(doc, lineNo, from, to, marker) { - var line = getLine(doc, lineNo); - var sps = sawCollapsedSpans && line.markedSpans; - if (sps) for (var i = 0; i < sps.length; ++i) { - var sp = sps[i]; - if (!sp.marker.collapsed) continue; - var found = sp.marker.find(0); - var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); - var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); - if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue; - if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) || - fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0)) - return true; - } - } - - // A visual line is a line as drawn on the screen. Folding, for - // example, can cause multiple logical lines to appear on the same - // visual line. This finds the start of the visual line that the - // given line is part of (usually that is the line itself). - function visualLine(line) { - var merged; - while (merged = collapsedSpanAtStart(line)) - line = merged.find(-1, true).line; - return line; - } - - // Returns an array of logical lines that continue the visual line - // started by the argument, or undefined if there are no such lines. - function visualLineContinued(line) { - var merged, lines; - while (merged = collapsedSpanAtEnd(line)) { - line = merged.find(1, true).line; - (lines || (lines = [])).push(line); - } - return lines; - } - - // Get the line number of the start of the visual line that the - // given line number is part of. - function visualLineNo(doc, lineN) { - var line = getLine(doc, lineN), vis = visualLine(line); - if (line == vis) return lineN; - return lineNo(vis); - } - // Get the line number of the start of the next visual line after - // the given line. - function visualLineEndNo(doc, lineN) { - if (lineN > doc.lastLine()) return lineN; - var line = getLine(doc, lineN), merged; - if (!lineIsHidden(doc, line)) return lineN; - while (merged = collapsedSpanAtEnd(line)) - line = merged.find(1, true).line; - return lineNo(line) + 1; - } - - // Compute whether a line is hidden. Lines count as hidden when they - // are part of a visual line that starts with another line, or when - // they are entirely covered by collapsed, non-widget span. - function lineIsHidden(doc, line) { - var sps = sawCollapsedSpans && line.markedSpans; - if (sps) for (var sp, i = 0; i < sps.length; ++i) { - sp = sps[i]; - if (!sp.marker.collapsed) continue; - if (sp.from == null) return true; - if (sp.marker.widgetNode) continue; - if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) - return true; - } - } - function lineIsHiddenInner(doc, line, span) { - if (span.to == null) { - var end = span.marker.find(1, true); - return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)); - } - if (span.marker.inclusiveRight && span.to == line.text.length) - return true; - for (var sp, i = 0; i < line.markedSpans.length; ++i) { - sp = line.markedSpans[i]; - if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && - (sp.to == null || sp.to != span.from) && - (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && - lineIsHiddenInner(doc, line, sp)) return true; - } - } - - // LINE WIDGETS - - // Line widgets are block elements displayed above or below a line. - - var LineWidget = CodeMirror.LineWidget = function(doc, node, options) { - if (options) for (var opt in options) if (options.hasOwnProperty(opt)) - this[opt] = options[opt]; - this.doc = doc; - this.node = node; - }; - eventMixin(LineWidget); - - function adjustScrollWhenAboveVisible(cm, line, diff) { - if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) - addToScrollPos(cm, null, diff); - } - - LineWidget.prototype.clear = function() { - var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); - if (no == null || !ws) return; - for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1); - if (!ws.length) line.widgets = null; - var height = widgetHeight(this); - updateLineHeight(line, Math.max(0, line.height - height)); - if (cm) runInOp(cm, function() { - adjustScrollWhenAboveVisible(cm, line, -height); - regLineChange(cm, no, "widget"); - }); - }; - LineWidget.prototype.changed = function() { - var oldH = this.height, cm = this.doc.cm, line = this.line; - this.height = null; - var diff = widgetHeight(this) - oldH; - if (!diff) return; - updateLineHeight(line, line.height + diff); - if (cm) runInOp(cm, function() { - cm.curOp.forceUpdate = true; - adjustScrollWhenAboveVisible(cm, line, diff); - }); - }; - - function widgetHeight(widget) { - if (widget.height != null) return widget.height; - var cm = widget.doc.cm; - if (!cm) return 0; - if (!contains(document.body, widget.node)) { - var parentStyle = "position: relative;"; - if (widget.coverGutter) - parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; - if (widget.noHScroll) - parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; - removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)); - } - return widget.height = widget.node.parentNode.offsetHeight; - } - - function addLineWidget(doc, handle, node, options) { - var widget = new LineWidget(doc, node, options); - var cm = doc.cm; - if (cm && widget.noHScroll) cm.display.alignWidgets = true; - changeLine(doc, handle, "widget", function(line) { - var widgets = line.widgets || (line.widgets = []); - if (widget.insertAt == null) widgets.push(widget); - else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); - widget.line = line; - if (cm && !lineIsHidden(doc, line)) { - var aboveVisible = heightAtLine(line) < doc.scrollTop; - updateLineHeight(line, line.height + widgetHeight(widget)); - if (aboveVisible) addToScrollPos(cm, null, widget.height); - cm.curOp.forceUpdate = true; - } - return true; - }); - return widget; - } - - // LINE DATA STRUCTURE - - // Line objects. These hold state related to a line, including - // highlighting info (the styles array). - var Line = CodeMirror.Line = function(text, markedSpans, estimateHeight) { - this.text = text; - attachMarkedSpans(this, markedSpans); - this.height = estimateHeight ? estimateHeight(this) : 1; - }; - eventMixin(Line); - Line.prototype.lineNo = function() { return lineNo(this); }; - - // Change the content (text, markers) of a line. Automatically - // invalidates cached information and tries to re-estimate the - // line's height. - function updateLine(line, text, markedSpans, estimateHeight) { - line.text = text; - if (line.stateAfter) line.stateAfter = null; - if (line.styles) line.styles = null; - if (line.order != null) line.order = null; - detachMarkedSpans(line); - attachMarkedSpans(line, markedSpans); - var estHeight = estimateHeight ? estimateHeight(line) : 1; - if (estHeight != line.height) updateLineHeight(line, estHeight); - } - - // Detach a line from the document tree and its markers. - function cleanUpLine(line) { - line.parent = null; - detachMarkedSpans(line); - } - - function extractLineClasses(type, output) { - if (type) for (;;) { - var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); - if (!lineClass) break; - type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length); - var prop = lineClass[1] ? "bgClass" : "textClass"; - if (output[prop] == null) - output[prop] = lineClass[2]; - else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop])) - output[prop] += " " + lineClass[2]; - } - return type; - } - - function callBlankLine(mode, state) { - if (mode.blankLine) return mode.blankLine(state); - if (!mode.innerMode) return; - var inner = CodeMirror.innerMode(mode, state); - if (inner.mode.blankLine) return inner.mode.blankLine(inner.state); - } - - function readToken(mode, stream, state, inner) { - for (var i = 0; i < 10; i++) { - if (inner) inner[0] = CodeMirror.innerMode(mode, state).mode; - var style = mode.token(stream, state); - if (stream.pos > stream.start) return style; - } - throw new Error("Mode " + mode.name + " failed to advance stream."); - } - - // Utility for getTokenAt and getLineTokens - function takeToken(cm, pos, precise, asArray) { - function getObj(copy) { - return {start: stream.start, end: stream.pos, - string: stream.current(), - type: style || null, - state: copy ? copyState(doc.mode, state) : state}; - } - - var doc = cm.doc, mode = doc.mode, style; - pos = clipPos(doc, pos); - var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise); - var stream = new StringStream(line.text, cm.options.tabSize), tokens; - if (asArray) tokens = []; - while ((asArray || stream.pos < pos.ch) && !stream.eol()) { - stream.start = stream.pos; - style = readToken(mode, stream, state); - if (asArray) tokens.push(getObj(true)); - } - return asArray ? tokens : getObj(); - } - - // Run the given mode's parser over a line, calling f for each token. - function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) { - var flattenSpans = mode.flattenSpans; - if (flattenSpans == null) flattenSpans = cm.options.flattenSpans; - var curStart = 0, curStyle = null; - var stream = new StringStream(text, cm.options.tabSize), style; - var inner = cm.options.addModeClass && [null]; - if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses); - while (!stream.eol()) { - if (stream.pos > cm.options.maxHighlightLength) { - flattenSpans = false; - if (forceToEnd) processLine(cm, text, state, stream.pos); - stream.pos = text.length; - style = null; - } else { - style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses); - } - if (inner) { - var mName = inner[0].name; - if (mName) style = "m-" + (style ? mName + " " + style : mName); - } - if (!flattenSpans || curStyle != style) { - while (curStart < stream.start) { - curStart = Math.min(stream.start, curStart + 50000); - f(curStart, curStyle); - } - curStyle = style; - } - stream.start = stream.pos; - } - while (curStart < stream.pos) { - // Webkit seems to refuse to render text nodes longer than 57444 characters - var pos = Math.min(stream.pos, curStart + 50000); - f(pos, curStyle); - curStart = pos; - } - } - - // Compute a style array (an array starting with a mode generation - // -- for invalidation -- followed by pairs of end positions and - // style strings), which is used to highlight the tokens on the - // line. - function highlightLine(cm, line, state, forceToEnd) { - // A styles array always starts with a number identifying the - // mode/overlays that it is based on (for easy invalidation). - var st = [cm.state.modeGen], lineClasses = {}; - // Compute the base array of styles - runMode(cm, line.text, cm.doc.mode, state, function(end, style) { - st.push(end, style); - }, lineClasses, forceToEnd); - - // Run overlays, adjust style array. - for (var o = 0; o < cm.state.overlays.length; ++o) { - var overlay = cm.state.overlays[o], i = 1, at = 0; - runMode(cm, line.text, overlay.mode, true, function(end, style) { - var start = i; - // Ensure there's a token end at the current position, and that i points at it - while (at < end) { - var i_end = st[i]; - if (i_end > end) - st.splice(i, 1, end, st[i+1], i_end); - i += 2; - at = Math.min(end, i_end); - } - if (!style) return; - if (overlay.opaque) { - st.splice(start, i - start, end, "cm-overlay " + style); - i = start + 2; - } else { - for (; start < i; start += 2) { - var cur = st[start+1]; - st[start+1] = (cur ? cur + " " : "") + "cm-overlay " + style; - } - } - }, lineClasses); - } - - return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}; - } - - function getLineStyles(cm, line, updateFrontier) { - if (!line.styles || line.styles[0] != cm.state.modeGen) { - var state = getStateBefore(cm, lineNo(line)); - var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state); - line.stateAfter = state; - line.styles = result.styles; - if (result.classes) line.styleClasses = result.classes; - else if (line.styleClasses) line.styleClasses = null; - if (updateFrontier === cm.doc.frontier) cm.doc.frontier++; - } - return line.styles; - } - - // Lightweight form of highlight -- proceed over this line and - // update state, but don't save a style array. Used for lines that - // aren't currently visible. - function processLine(cm, text, state, startAt) { - var mode = cm.doc.mode; - var stream = new StringStream(text, cm.options.tabSize); - stream.start = stream.pos = startAt || 0; - if (text == "") callBlankLine(mode, state); - while (!stream.eol()) { - readToken(mode, stream, state); - stream.start = stream.pos; - } - } - - // Convert a style as returned by a mode (either null, or a string - // containing one or more styles) to a CSS style. This is cached, - // and also looks for line-wide styles. - var styleToClassCache = {}, styleToClassCacheWithMode = {}; - function interpretTokenStyle(style, options) { - if (!style || /^\s*$/.test(style)) return null; - var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache; - return cache[style] || - (cache[style] = style.replace(/\S+/g, "cm-$&")); - } - - // Render the DOM representation of the text of a line. Also builds - // up a 'line map', which points at the DOM nodes that represent - // specific stretches of text, and is used by the measuring code. - // The returned object contains the DOM node, this map, and - // information about line-wide styles that were set by the mode. - function buildLineContent(cm, lineView) { - // The padding-right forces the element to have a 'border', which - // is needed on Webkit to be able to get line-level bounding - // rectangles for it (in measureChar). - var content = elt("span", null, null, webkit ? "padding-right: .1px" : null); - var builder = {pre: elt("pre", [content], "CodeMirror-line"), content: content, - col: 0, pos: 0, cm: cm, - splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")}; - lineView.measure = {}; - - // Iterate over the logical lines that make up this visual line. - for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { - var line = i ? lineView.rest[i - 1] : lineView.line, order; - builder.pos = 0; - builder.addToken = buildToken; - // Optionally wire in some hacks into the token-rendering - // algorithm, to deal with browser quirks. - if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line))) - builder.addToken = buildTokenBadBidi(builder.addToken, order); - builder.map = []; - var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); - insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); - if (line.styleClasses) { - if (line.styleClasses.bgClass) - builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); - if (line.styleClasses.textClass) - builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); - } - - // Ensure at least a single node is present, for measuring. - if (builder.map.length == 0) - builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); - - // Store the map and a cache object for the current logical line - if (i == 0) { - lineView.measure.map = builder.map; - lineView.measure.cache = {}; - } else { - (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map); - (lineView.measure.caches || (lineView.measure.caches = [])).push({}); - } - } - - // See issue #2901 - if (webkit && /\bcm-tab\b/.test(builder.content.lastChild.className)) - builder.content.className = "cm-tab-wrap-hack"; - - signal(cm, "renderLine", cm, lineView.line, builder.pre); - if (builder.pre.className) - builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); - - return builder; - } - - function defaultSpecialCharPlaceholder(ch) { - var token = elt("span", "\u2022", "cm-invalidchar"); - token.title = "\\u" + ch.charCodeAt(0).toString(16); - token.setAttribute("aria-label", token.title); - return token; - } - - // Build up the DOM representation for a single token, and add it to - // the line map. Takes care to render special characters separately. - function buildToken(builder, text, style, startStyle, endStyle, title, css) { - if (!text) return; - var displayText = builder.splitSpaces ? text.replace(/ {3,}/g, splitSpaces) : text; - var special = builder.cm.state.specialChars, mustWrap = false; - if (!special.test(text)) { - builder.col += text.length; - var content = document.createTextNode(displayText); - builder.map.push(builder.pos, builder.pos + text.length, content); - if (ie && ie_version < 9) mustWrap = true; - builder.pos += text.length; - } else { - var content = document.createDocumentFragment(), pos = 0; - while (true) { - special.lastIndex = pos; - var m = special.exec(text); - var skipped = m ? m.index - pos : text.length - pos; - if (skipped) { - var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); - if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); - else content.appendChild(txt); - builder.map.push(builder.pos, builder.pos + skipped, txt); - builder.col += skipped; - builder.pos += skipped; - } - if (!m) break; - pos += skipped + 1; - if (m[0] == "\t") { - var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; - var txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); - txt.setAttribute("role", "presentation"); - txt.setAttribute("cm-text", "\t"); - builder.col += tabWidth; - } else if (m[0] == "\r" || m[0] == "\n") { - var txt = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")); - txt.setAttribute("cm-text", m[0]); - builder.col += 1; - } else { - var txt = builder.cm.options.specialCharPlaceholder(m[0]); - txt.setAttribute("cm-text", m[0]); - if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); - else content.appendChild(txt); - builder.col += 1; - } - builder.map.push(builder.pos, builder.pos + 1, txt); - builder.pos++; - } - } - if (style || startStyle || endStyle || mustWrap || css) { - var fullStyle = style || ""; - if (startStyle) fullStyle += startStyle; - if (endStyle) fullStyle += endStyle; - var token = elt("span", [content], fullStyle, css); - if (title) token.title = title; - return builder.content.appendChild(token); - } - builder.content.appendChild(content); - } - - function splitSpaces(old) { - var out = " "; - for (var i = 0; i < old.length - 2; ++i) out += i % 2 ? " " : "\u00a0"; - out += " "; - return out; - } - - // Work around nonsense dimensions being reported for stretches of - // right-to-left text. - function buildTokenBadBidi(inner, order) { - return function(builder, text, style, startStyle, endStyle, title, css) { - style = style ? style + " cm-force-border" : "cm-force-border"; - var start = builder.pos, end = start + text.length; - for (;;) { - // Find the part that overlaps with the start of this text - for (var i = 0; i < order.length; i++) { - var part = order[i]; - if (part.to > start && part.from <= start) break; - } - if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title, css); - inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css); - startStyle = null; - text = text.slice(part.to - start); - start = part.to; - } - }; - } - - function buildCollapsedSpan(builder, size, marker, ignoreWidget) { - var widget = !ignoreWidget && marker.widgetNode; - if (widget) builder.map.push(builder.pos, builder.pos + size, widget); - if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { - if (!widget) - widget = builder.content.appendChild(document.createElement("span")); - widget.setAttribute("cm-marker", marker.id); - } - if (widget) { - builder.cm.display.input.setUneditable(widget); - builder.content.appendChild(widget); - } - builder.pos += size; - } - - // Outputs a number of spans to make up a line, taking highlighting - // and marked text into account. - function insertLineContent(line, builder, styles) { - var spans = line.markedSpans, allText = line.text, at = 0; - if (!spans) { - for (var i = 1; i < styles.length; i+=2) - builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder.cm.options)); - return; - } - - var len = allText.length, pos = 0, i = 1, text = "", style, css; - var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed; - for (;;) { - if (nextChange == pos) { // Update current marker set - spanStyle = spanEndStyle = spanStartStyle = title = css = ""; - collapsed = null; nextChange = Infinity; - var foundBookmarks = [], endStyles - for (var j = 0; j < spans.length; ++j) { - var sp = spans[j], m = sp.marker; - if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { - foundBookmarks.push(m); - } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { - if (sp.to != null && sp.to != pos && nextChange > sp.to) { - nextChange = sp.to; - spanEndStyle = ""; - } - if (m.className) spanStyle += " " + m.className; - if (m.css) css = (css ? css + ";" : "") + m.css; - if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle; - if (m.endStyle && sp.to == nextChange) (endStyles || (endStyles = [])).push(m.endStyle, sp.to) - if (m.title && !title) title = m.title; - if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) - collapsed = sp; - } else if (sp.from > pos && nextChange > sp.from) { - nextChange = sp.from; - } - } - if (endStyles) for (var j = 0; j < endStyles.length; j += 2) - if (endStyles[j + 1] == nextChange) spanEndStyle += " " + endStyles[j] - - if (!collapsed || collapsed.from == pos) for (var j = 0; j < foundBookmarks.length; ++j) - buildCollapsedSpan(builder, 0, foundBookmarks[j]); - if (collapsed && (collapsed.from || 0) == pos) { - buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, - collapsed.marker, collapsed.from == null); - if (collapsed.to == null) return; - if (collapsed.to == pos) collapsed = false; - } - } - if (pos >= len) break; - - var upto = Math.min(len, nextChange); - while (true) { - if (text) { - var end = pos + text.length; - if (!collapsed) { - var tokenText = end > upto ? text.slice(0, upto - pos) : text; - builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, - spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css); - } - if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} - pos = end; - spanStartStyle = ""; - } - text = allText.slice(at, at = styles[i++]); - style = interpretTokenStyle(styles[i++], builder.cm.options); - } - } - } - - // DOCUMENT DATA STRUCTURE - - // By default, updates that start and end at the beginning of a line - // are treated specially, in order to make the association of line - // widgets and marker elements with the text behave more intuitive. - function isWholeLineUpdate(doc, change) { - return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && - (!doc.cm || doc.cm.options.wholeLineUpdateBefore); - } - - // Perform a change on the document data structure. - function updateDoc(doc, change, markedSpans, estimateHeight) { - function spansFor(n) {return markedSpans ? markedSpans[n] : null;} - function update(line, text, spans) { - updateLine(line, text, spans, estimateHeight); - signalLater(line, "change", line, change); - } - function linesFor(start, end) { - for (var i = start, result = []; i < end; ++i) - result.push(new Line(text[i], spansFor(i), estimateHeight)); - return result; - } - - var from = change.from, to = change.to, text = change.text; - var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); - var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; - - // Adjust the line structure - if (change.full) { - doc.insert(0, linesFor(0, text.length)); - doc.remove(text.length, doc.size - text.length); - } else if (isWholeLineUpdate(doc, change)) { - // This is a whole-line replace. Treated specially to make - // sure line objects move the way they are supposed to. - var added = linesFor(0, text.length - 1); - update(lastLine, lastLine.text, lastSpans); - if (nlines) doc.remove(from.line, nlines); - if (added.length) doc.insert(from.line, added); - } else if (firstLine == lastLine) { - if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); - } else { - var added = linesFor(1, text.length - 1); - added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)); - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); - doc.insert(from.line + 1, added); - } - } else if (text.length == 1) { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); - doc.remove(from.line + 1, nlines); - } else { - update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); - update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); - var added = linesFor(1, text.length - 1); - if (nlines > 1) doc.remove(from.line + 1, nlines - 1); - doc.insert(from.line + 1, added); - } - - signalLater(doc, "change", doc, change); - } - - // The document is represented as a BTree consisting of leaves, with - // chunk of lines in them, and branches, with up to ten leaves or - // other branch nodes below them. The top node is always a branch - // node, and is the document object itself (meaning it has - // additional methods and properties). - // - // All nodes have parent links. The tree is used both to go from - // line numbers to line objects, and to go from objects to numbers. - // It also indexes by height, and is used to convert between height - // and line object, and to find the total height of the document. - // - // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html - - function LeafChunk(lines) { - this.lines = lines; - this.parent = null; - for (var i = 0, height = 0; i < lines.length; ++i) { - lines[i].parent = this; - height += lines[i].height; - } - this.height = height; - } - - LeafChunk.prototype = { - chunkSize: function() { return this.lines.length; }, - // Remove the n lines at offset 'at'. - removeInner: function(at, n) { - for (var i = at, e = at + n; i < e; ++i) { - var line = this.lines[i]; - this.height -= line.height; - cleanUpLine(line); - signalLater(line, "delete"); - } - this.lines.splice(at, n); - }, - // Helper used to collapse a small branch into a single leaf. - collapse: function(lines) { - lines.push.apply(lines, this.lines); - }, - // Insert the given array of lines at offset 'at', count them as - // having the given height. - insertInner: function(at, lines, height) { - this.height += height; - this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); - for (var i = 0; i < lines.length; ++i) lines[i].parent = this; - }, - // Used to iterate over a part of the tree. - iterN: function(at, n, op) { - for (var e = at + n; at < e; ++at) - if (op(this.lines[at])) return true; - } - }; - - function BranchChunk(children) { - this.children = children; - var size = 0, height = 0; - for (var i = 0; i < children.length; ++i) { - var ch = children[i]; - size += ch.chunkSize(); height += ch.height; - ch.parent = this; - } - this.size = size; - this.height = height; - this.parent = null; - } - - BranchChunk.prototype = { - chunkSize: function() { return this.size; }, - removeInner: function(at, n) { - this.size -= n; - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at < sz) { - var rm = Math.min(n, sz - at), oldHeight = child.height; - child.removeInner(at, rm); - this.height -= oldHeight - child.height; - if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } - if ((n -= rm) == 0) break; - at = 0; - } else at -= sz; - } - // If the result is smaller than 25 lines, ensure that it is a - // single leaf node. - if (this.size - n < 25 && - (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { - var lines = []; - this.collapse(lines); - this.children = [new LeafChunk(lines)]; - this.children[0].parent = this; - } - }, - collapse: function(lines) { - for (var i = 0; i < this.children.length; ++i) this.children[i].collapse(lines); - }, - insertInner: function(at, lines, height) { - this.size += lines.length; - this.height += height; - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at <= sz) { - child.insertInner(at, lines, height); - if (child.lines && child.lines.length > 50) { - while (child.lines.length > 50) { - var spilled = child.lines.splice(child.lines.length - 25, 25); - var newleaf = new LeafChunk(spilled); - child.height -= newleaf.height; - this.children.splice(i + 1, 0, newleaf); - newleaf.parent = this; - } - this.maybeSpill(); - } - break; - } - at -= sz; - } - }, - // When a node has grown, check whether it should be split. - maybeSpill: function() { - if (this.children.length <= 10) return; - var me = this; - do { - var spilled = me.children.splice(me.children.length - 5, 5); - var sibling = new BranchChunk(spilled); - if (!me.parent) { // Become the parent node - var copy = new BranchChunk(me.children); - copy.parent = me; - me.children = [copy, sibling]; - me = copy; - } else { - me.size -= sibling.size; - me.height -= sibling.height; - var myIndex = indexOf(me.parent.children, me); - me.parent.children.splice(myIndex + 1, 0, sibling); - } - sibling.parent = me.parent; - } while (me.children.length > 10); - me.parent.maybeSpill(); - }, - iterN: function(at, n, op) { - for (var i = 0; i < this.children.length; ++i) { - var child = this.children[i], sz = child.chunkSize(); - if (at < sz) { - var used = Math.min(n, sz - at); - if (child.iterN(at, used, op)) return true; - if ((n -= used) == 0) break; - at = 0; - } else at -= sz; - } - } - }; - - var nextDocId = 0; - var Doc = CodeMirror.Doc = function(text, mode, firstLine, lineSep) { - if (!(this instanceof Doc)) return new Doc(text, mode, firstLine, lineSep); - if (firstLine == null) firstLine = 0; - - BranchChunk.call(this, [new LeafChunk([new Line("", null)])]); - this.first = firstLine; - this.scrollTop = this.scrollLeft = 0; - this.cantEdit = false; - this.cleanGeneration = 1; - this.frontier = firstLine; - var start = Pos(firstLine, 0); - this.sel = simpleSelection(start); - this.history = new History(null); - this.id = ++nextDocId; - this.modeOption = mode; - this.lineSep = lineSep; - this.extend = false; - - if (typeof text == "string") text = this.splitLines(text); - updateDoc(this, {from: start, to: start, text: text}); - setSelection(this, simpleSelection(start), sel_dontScroll); - }; - - Doc.prototype = createObj(BranchChunk.prototype, { - constructor: Doc, - // Iterate over the document. Supports two forms -- with only one - // argument, it calls that for each line in the document. With - // three, it iterates over the range given by the first two (with - // the second being non-inclusive). - iter: function(from, to, op) { - if (op) this.iterN(from - this.first, to - from, op); - else this.iterN(this.first, this.first + this.size, from); - }, - - // Non-public interface for adding and removing lines. - insert: function(at, lines) { - var height = 0; - for (var i = 0; i < lines.length; ++i) height += lines[i].height; - this.insertInner(at - this.first, lines, height); - }, - remove: function(at, n) { this.removeInner(at - this.first, n); }, - - // From here, the methods are part of the public interface. Most - // are also available from CodeMirror (editor) instances. - - getValue: function(lineSep) { - var lines = getLines(this, this.first, this.first + this.size); - if (lineSep === false) return lines; - return lines.join(lineSep || this.lineSeparator()); - }, - setValue: docMethodOp(function(code) { - var top = Pos(this.first, 0), last = this.first + this.size - 1; - makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), - text: this.splitLines(code), origin: "setValue", full: true}, true); - setSelection(this, simpleSelection(top)); - }), - replaceRange: function(code, from, to, origin) { - from = clipPos(this, from); - to = to ? clipPos(this, to) : from; - replaceRange(this, code, from, to, origin); - }, - getRange: function(from, to, lineSep) { - var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); - if (lineSep === false) return lines; - return lines.join(lineSep || this.lineSeparator()); - }, - - getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;}, - - getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);}, - getLineNumber: function(line) {return lineNo(line);}, - - getLineHandleVisualStart: function(line) { - if (typeof line == "number") line = getLine(this, line); - return visualLine(line); - }, - - lineCount: function() {return this.size;}, - firstLine: function() {return this.first;}, - lastLine: function() {return this.first + this.size - 1;}, - - clipPos: function(pos) {return clipPos(this, pos);}, - - getCursor: function(start) { - var range = this.sel.primary(), pos; - if (start == null || start == "head") pos = range.head; - else if (start == "anchor") pos = range.anchor; - else if (start == "end" || start == "to" || start === false) pos = range.to(); - else pos = range.from(); - return pos; - }, - listSelections: function() { return this.sel.ranges; }, - somethingSelected: function() {return this.sel.somethingSelected();}, - - setCursor: docMethodOp(function(line, ch, options) { - setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options); - }), - setSelection: docMethodOp(function(anchor, head, options) { - setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options); - }), - extendSelection: docMethodOp(function(head, other, options) { - extendSelection(this, clipPos(this, head), other && clipPos(this, other), options); - }), - extendSelections: docMethodOp(function(heads, options) { - extendSelections(this, clipPosArray(this, heads), options); - }), - extendSelectionsBy: docMethodOp(function(f, options) { - var heads = map(this.sel.ranges, f); - extendSelections(this, clipPosArray(this, heads), options); - }), - setSelections: docMethodOp(function(ranges, primary, options) { - if (!ranges.length) return; - for (var i = 0, out = []; i < ranges.length; i++) - out[i] = new Range(clipPos(this, ranges[i].anchor), - clipPos(this, ranges[i].head)); - if (primary == null) primary = Math.min(ranges.length - 1, this.sel.primIndex); - setSelection(this, normalizeSelection(out, primary), options); - }), - addSelection: docMethodOp(function(anchor, head, options) { - var ranges = this.sel.ranges.slice(0); - ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))); - setSelection(this, normalizeSelection(ranges, ranges.length - 1), options); - }), - - getSelection: function(lineSep) { - var ranges = this.sel.ranges, lines; - for (var i = 0; i < ranges.length; i++) { - var sel = getBetween(this, ranges[i].from(), ranges[i].to()); - lines = lines ? lines.concat(sel) : sel; - } - if (lineSep === false) return lines; - else return lines.join(lineSep || this.lineSeparator()); - }, - getSelections: function(lineSep) { - var parts = [], ranges = this.sel.ranges; - for (var i = 0; i < ranges.length; i++) { - var sel = getBetween(this, ranges[i].from(), ranges[i].to()); - if (lineSep !== false) sel = sel.join(lineSep || this.lineSeparator()); - parts[i] = sel; - } - return parts; - }, - replaceSelection: function(code, collapse, origin) { - var dup = []; - for (var i = 0; i < this.sel.ranges.length; i++) - dup[i] = code; - this.replaceSelections(dup, collapse, origin || "+input"); - }, - replaceSelections: docMethodOp(function(code, collapse, origin) { - var changes = [], sel = this.sel; - for (var i = 0; i < sel.ranges.length; i++) { - var range = sel.ranges[i]; - changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin}; - } - var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse); - for (var i = changes.length - 1; i >= 0; i--) - makeChange(this, changes[i]); - if (newSel) setSelectionReplaceHistory(this, newSel); - else if (this.cm) ensureCursorVisible(this.cm); - }), - undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}), - redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}), - undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}), - redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}), - - setExtending: function(val) {this.extend = val;}, - getExtending: function() {return this.extend;}, - - historySize: function() { - var hist = this.history, done = 0, undone = 0; - for (var i = 0; i < hist.done.length; i++) if (!hist.done[i].ranges) ++done; - for (var i = 0; i < hist.undone.length; i++) if (!hist.undone[i].ranges) ++undone; - return {undo: done, redo: undone}; - }, - clearHistory: function() {this.history = new History(this.history.maxGeneration);}, - - markClean: function() { - this.cleanGeneration = this.changeGeneration(true); - }, - changeGeneration: function(forceSplit) { - if (forceSplit) - this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; - return this.history.generation; - }, - isClean: function (gen) { - return this.history.generation == (gen || this.cleanGeneration); - }, - - getHistory: function() { - return {done: copyHistoryArray(this.history.done), - undone: copyHistoryArray(this.history.undone)}; - }, - setHistory: function(histData) { - var hist = this.history = new History(this.history.maxGeneration); - hist.done = copyHistoryArray(histData.done.slice(0), null, true); - hist.undone = copyHistoryArray(histData.undone.slice(0), null, true); - }, - - addLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { - var prop = where == "text" ? "textClass" - : where == "background" ? "bgClass" - : where == "gutter" ? "gutterClass" : "wrapClass"; - if (!line[prop]) line[prop] = cls; - else if (classTest(cls).test(line[prop])) return false; - else line[prop] += " " + cls; - return true; - }); - }), - removeLineClass: docMethodOp(function(handle, where, cls) { - return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { - var prop = where == "text" ? "textClass" - : where == "background" ? "bgClass" - : where == "gutter" ? "gutterClass" : "wrapClass"; - var cur = line[prop]; - if (!cur) return false; - else if (cls == null) line[prop] = null; - else { - var found = cur.match(classTest(cls)); - if (!found) return false; - var end = found.index + found[0].length; - line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null; - } - return true; - }); - }), - - addLineWidget: docMethodOp(function(handle, node, options) { - return addLineWidget(this, handle, node, options); - }), - removeLineWidget: function(widget) { widget.clear(); }, - - markText: function(from, to, options) { - return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range"); - }, - setBookmark: function(pos, options) { - var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), - insertLeft: options && options.insertLeft, - clearWhenEmpty: false, shared: options && options.shared, - handleMouseEvents: options && options.handleMouseEvents}; - pos = clipPos(this, pos); - return markText(this, pos, pos, realOpts, "bookmark"); - }, - findMarksAt: function(pos) { - pos = clipPos(this, pos); - var markers = [], spans = getLine(this, pos.line).markedSpans; - if (spans) for (var i = 0; i < spans.length; ++i) { - var span = spans[i]; - if ((span.from == null || span.from <= pos.ch) && - (span.to == null || span.to >= pos.ch)) - markers.push(span.marker.parent || span.marker); - } - return markers; - }, - findMarks: function(from, to, filter) { - from = clipPos(this, from); to = clipPos(this, to); - var found = [], lineNo = from.line; - this.iter(from.line, to.line + 1, function(line) { - var spans = line.markedSpans; - if (spans) for (var i = 0; i < spans.length; i++) { - var span = spans[i]; - if (!(span.to != null && lineNo == from.line && from.ch >= span.to || - span.from == null && lineNo != from.line || - span.from != null && lineNo == to.line && span.from >= to.ch) && - (!filter || filter(span.marker))) - found.push(span.marker.parent || span.marker); - } - ++lineNo; - }); - return found; - }, - getAllMarks: function() { - var markers = []; - this.iter(function(line) { - var sps = line.markedSpans; - if (sps) for (var i = 0; i < sps.length; ++i) - if (sps[i].from != null) markers.push(sps[i].marker); - }); - return markers; - }, - - posFromIndex: function(off) { - var ch, lineNo = this.first, sepSize = this.lineSeparator().length; - this.iter(function(line) { - var sz = line.text.length + sepSize; - if (sz > off) { ch = off; return true; } - off -= sz; - ++lineNo; - }); - return clipPos(this, Pos(lineNo, ch)); - }, - indexFromPos: function (coords) { - coords = clipPos(this, coords); - var index = coords.ch; - if (coords.line < this.first || coords.ch < 0) return 0; - var sepSize = this.lineSeparator().length; - this.iter(this.first, coords.line, function (line) { - index += line.text.length + sepSize; - }); - return index; - }, - - copy: function(copyHistory) { - var doc = new Doc(getLines(this, this.first, this.first + this.size), - this.modeOption, this.first, this.lineSep); - doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft; - doc.sel = this.sel; - doc.extend = false; - if (copyHistory) { - doc.history.undoDepth = this.history.undoDepth; - doc.setHistory(this.getHistory()); - } - return doc; - }, - - linkedDoc: function(options) { - if (!options) options = {}; - var from = this.first, to = this.first + this.size; - if (options.from != null && options.from > from) from = options.from; - if (options.to != null && options.to < to) to = options.to; - var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep); - if (options.sharedHist) copy.history = this.history; - (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); - copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]; - copySharedMarkers(copy, findSharedMarkers(this)); - return copy; - }, - unlinkDoc: function(other) { - if (other instanceof CodeMirror) other = other.doc; - if (this.linked) for (var i = 0; i < this.linked.length; ++i) { - var link = this.linked[i]; - if (link.doc != other) continue; - this.linked.splice(i, 1); - other.unlinkDoc(this); - detachSharedMarkers(findSharedMarkers(this)); - break; - } - // If the histories were shared, split them again - if (other.history == this.history) { - var splitIds = [other.id]; - linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true); - other.history = new History(null); - other.history.done = copyHistoryArray(this.history.done, splitIds); - other.history.undone = copyHistoryArray(this.history.undone, splitIds); - } - }, - iterLinkedDocs: function(f) {linkedDocs(this, f);}, - - getMode: function() {return this.mode;}, - getEditor: function() {return this.cm;}, - - splitLines: function(str) { - if (this.lineSep) return str.split(this.lineSep); - return splitLinesAuto(str); - }, - lineSeparator: function() { return this.lineSep || "\n"; } - }); - - // Public alias. - Doc.prototype.eachLine = Doc.prototype.iter; - - // Set up methods on CodeMirror's prototype to redirect to the editor's document. - var dontDelegate = "iter insert remove copy getEditor constructor".split(" "); - for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) - CodeMirror.prototype[prop] = (function(method) { - return function() {return method.apply(this.doc, arguments);}; - })(Doc.prototype[prop]); - - eventMixin(Doc); - - // Call f for all linked documents. - function linkedDocs(doc, f, sharedHistOnly) { - function propagate(doc, skip, sharedHist) { - if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) { - var rel = doc.linked[i]; - if (rel.doc == skip) continue; - var shared = sharedHist && rel.sharedHist; - if (sharedHistOnly && !shared) continue; - f(rel.doc, shared); - propagate(rel.doc, doc, shared); - } - } - propagate(doc, null, true); - } - - // Attach a document to an editor. - function attachDoc(cm, doc) { - if (doc.cm) throw new Error("This document is already in use."); - cm.doc = doc; - doc.cm = cm; - estimateLineHeights(cm); - loadMode(cm); - if (!cm.options.lineWrapping) findMaxLine(cm); - cm.options.mode = doc.modeOption; - regChange(cm); - } - - // LINE UTILITIES - - // Find the line object corresponding to the given line number. - function getLine(doc, n) { - n -= doc.first; - if (n < 0 || n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document."); - for (var chunk = doc; !chunk.lines;) { - for (var i = 0;; ++i) { - var child = chunk.children[i], sz = child.chunkSize(); - if (n < sz) { chunk = child; break; } - n -= sz; - } - } - return chunk.lines[n]; - } - - // Get the part of a document between two positions, as an array of - // strings. - function getBetween(doc, start, end) { - var out = [], n = start.line; - doc.iter(start.line, end.line + 1, function(line) { - var text = line.text; - if (n == end.line) text = text.slice(0, end.ch); - if (n == start.line) text = text.slice(start.ch); - out.push(text); - ++n; - }); - return out; - } - // Get the lines between from and to, as array of strings. - function getLines(doc, from, to) { - var out = []; - doc.iter(from, to, function(line) { out.push(line.text); }); - return out; - } - - // Update the height of a line, propagating the height change - // upwards to parent nodes. - function updateLineHeight(line, height) { - var diff = height - line.height; - if (diff) for (var n = line; n; n = n.parent) n.height += diff; - } - - // Given a line object, find its line number by walking up through - // its parent links. - function lineNo(line) { - if (line.parent == null) return null; - var cur = line.parent, no = indexOf(cur.lines, line); - for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { - for (var i = 0;; ++i) { - if (chunk.children[i] == cur) break; - no += chunk.children[i].chunkSize(); - } - } - return no + cur.first; - } - - // Find the line at the given vertical position, using the height - // information in the document tree. - function lineAtHeight(chunk, h) { - var n = chunk.first; - outer: do { - for (var i = 0; i < chunk.children.length; ++i) { - var child = chunk.children[i], ch = child.height; - if (h < ch) { chunk = child; continue outer; } - h -= ch; - n += child.chunkSize(); - } - return n; - } while (!chunk.lines); - for (var i = 0; i < chunk.lines.length; ++i) { - var line = chunk.lines[i], lh = line.height; - if (h < lh) break; - h -= lh; - } - return n + i; - } - - - // Find the height above the given line. - function heightAtLine(lineObj) { - lineObj = visualLine(lineObj); - - var h = 0, chunk = lineObj.parent; - for (var i = 0; i < chunk.lines.length; ++i) { - var line = chunk.lines[i]; - if (line == lineObj) break; - else h += line.height; - } - for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { - for (var i = 0; i < p.children.length; ++i) { - var cur = p.children[i]; - if (cur == chunk) break; - else h += cur.height; - } - } - return h; - } - - // Get the bidi ordering for the given line (and cache it). Returns - // false for lines that are fully left-to-right, and an array of - // BidiSpan objects otherwise. - function getOrder(line) { - var order = line.order; - if (order == null) order = line.order = bidiOrdering(line.text); - return order; - } - - // HISTORY - - function History(startGen) { - // Arrays of change events and selections. Doing something adds an - // event to done and clears undo. Undoing moves events from done - // to undone, redoing moves them in the other direction. - this.done = []; this.undone = []; - this.undoDepth = Infinity; - // Used to track when changes can be merged into a single undo - // event - this.lastModTime = this.lastSelTime = 0; - this.lastOp = this.lastSelOp = null; - this.lastOrigin = this.lastSelOrigin = null; - // Used by the isClean() method - this.generation = this.maxGeneration = startGen || 1; - } - - // Create a history change event from an updateDoc-style change - // object. - function historyChangeFromChange(doc, change) { - var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}; - attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); - linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true); - return histChange; - } - - // Pop all selection events off the end of a history array. Stop at - // a change event. - function clearSelectionEvents(array) { - while (array.length) { - var last = lst(array); - if (last.ranges) array.pop(); - else break; - } - } - - // Find the top change event in the history. Pop off selection - // events that are in the way. - function lastChangeEvent(hist, force) { - if (force) { - clearSelectionEvents(hist.done); - return lst(hist.done); - } else if (hist.done.length && !lst(hist.done).ranges) { - return lst(hist.done); - } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { - hist.done.pop(); - return lst(hist.done); - } - } - - // Register a change in the history. Merges changes that are within - // a single operation, ore are close together with an origin that - // allows merging (starting with "+") into a single event. - function addChangeToHistory(doc, change, selAfter, opId) { - var hist = doc.history; - hist.undone.length = 0; - var time = +new Date, cur; - - if ((hist.lastOp == opId || - hist.lastOrigin == change.origin && change.origin && - ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) || - change.origin.charAt(0) == "*")) && - (cur = lastChangeEvent(hist, hist.lastOp == opId))) { - // Merge this change into the last event - var last = lst(cur.changes); - if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { - // Optimized case for simple insertion -- don't want to add - // new changesets for every character typed - last.to = changeEnd(change); - } else { - // Add new sub-event - cur.changes.push(historyChangeFromChange(doc, change)); - } - } else { - // Can not be merged, start a new event. - var before = lst(hist.done); - if (!before || !before.ranges) - pushSelectionToHistory(doc.sel, hist.done); - cur = {changes: [historyChangeFromChange(doc, change)], - generation: hist.generation}; - hist.done.push(cur); - while (hist.done.length > hist.undoDepth) { - hist.done.shift(); - if (!hist.done[0].ranges) hist.done.shift(); - } - } - hist.done.push(selAfter); - hist.generation = ++hist.maxGeneration; - hist.lastModTime = hist.lastSelTime = time; - hist.lastOp = hist.lastSelOp = opId; - hist.lastOrigin = hist.lastSelOrigin = change.origin; - - if (!last) signal(doc, "historyAdded"); - } - - function selectionEventCanBeMerged(doc, origin, prev, sel) { - var ch = origin.charAt(0); - return ch == "*" || - ch == "+" && - prev.ranges.length == sel.ranges.length && - prev.somethingSelected() == sel.somethingSelected() && - new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500); - } - - // Called whenever the selection changes, sets the new selection as - // the pending selection in the history, and pushes the old pending - // selection into the 'done' array when it was significantly - // different (in number of selected ranges, emptiness, or time). - function addSelectionToHistory(doc, sel, opId, options) { - var hist = doc.history, origin = options && options.origin; - - // A new event is started when the previous origin does not match - // the current, or the origins don't allow matching. Origins - // starting with * are always merged, those starting with + are - // merged when similar and close together in time. - if (opId == hist.lastSelOp || - (origin && hist.lastSelOrigin == origin && - (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || - selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) - hist.done[hist.done.length - 1] = sel; - else - pushSelectionToHistory(sel, hist.done); - - hist.lastSelTime = +new Date; - hist.lastSelOrigin = origin; - hist.lastSelOp = opId; - if (options && options.clearRedo !== false) - clearSelectionEvents(hist.undone); - } - - function pushSelectionToHistory(sel, dest) { - var top = lst(dest); - if (!(top && top.ranges && top.equals(sel))) - dest.push(sel); - } - - // Used to store marked span information in the history. - function attachLocalSpans(doc, change, from, to) { - var existing = change["spans_" + doc.id], n = 0; - doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) { - if (line.markedSpans) - (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; - ++n; - }); - } - - // When un/re-doing restores text containing marked spans, those - // that have been explicitly cleared should not be restored. - function removeClearedSpans(spans) { - if (!spans) return null; - for (var i = 0, out; i < spans.length; ++i) { - if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); } - else if (out) out.push(spans[i]); - } - return !out ? spans : out.length ? out : null; - } - - // Retrieve and filter the old marked spans stored in a change event. - function getOldSpans(doc, change) { - var found = change["spans_" + doc.id]; - if (!found) return null; - for (var i = 0, nw = []; i < change.text.length; ++i) - nw.push(removeClearedSpans(found[i])); - return nw; - } - - // Used both to provide a JSON-safe object in .getHistory, and, when - // detaching a document, to split the history in two - function copyHistoryArray(events, newGroup, instantiateSel) { - for (var i = 0, copy = []; i < events.length; ++i) { - var event = events[i]; - if (event.ranges) { - copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event); - continue; - } - var changes = event.changes, newChanges = []; - copy.push({changes: newChanges}); - for (var j = 0; j < changes.length; ++j) { - var change = changes[j], m; - newChanges.push({from: change.from, to: change.to, text: change.text}); - if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) { - if (indexOf(newGroup, Number(m[1])) > -1) { - lst(newChanges)[prop] = change[prop]; - delete change[prop]; - } - } - } - } - return copy; - } - - // Rebasing/resetting history to deal with externally-sourced changes - - function rebaseHistSelSingle(pos, from, to, diff) { - if (to < pos.line) { - pos.line += diff; - } else if (from < pos.line) { - pos.line = from; - pos.ch = 0; - } - } - - // Tries to rebase an array of history events given a change in the - // document. If the change touches the same lines as the event, the - // event, and everything 'behind' it, is discarded. If the change is - // before the event, the event's positions are updated. Uses a - // copy-on-write scheme for the positions, to avoid having to - // reallocate them all on every rebase, but also avoid problems with - // shared position objects being unsafely updated. - function rebaseHistArray(array, from, to, diff) { - for (var i = 0; i < array.length; ++i) { - var sub = array[i], ok = true; - if (sub.ranges) { - if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; } - for (var j = 0; j < sub.ranges.length; j++) { - rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff); - rebaseHistSelSingle(sub.ranges[j].head, from, to, diff); - } - continue; - } - for (var j = 0; j < sub.changes.length; ++j) { - var cur = sub.changes[j]; - if (to < cur.from.line) { - cur.from = Pos(cur.from.line + diff, cur.from.ch); - cur.to = Pos(cur.to.line + diff, cur.to.ch); - } else if (from <= cur.to.line) { - ok = false; - break; - } - } - if (!ok) { - array.splice(0, i + 1); - i = 0; - } - } - } - - function rebaseHist(hist, change) { - var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1; - rebaseHistArray(hist.done, from, to, diff); - rebaseHistArray(hist.undone, from, to, diff); - } - - // EVENT UTILITIES - - // Due to the fact that we still support jurassic IE versions, some - // compatibility wrappers are needed. - - var e_preventDefault = CodeMirror.e_preventDefault = function(e) { - if (e.preventDefault) e.preventDefault(); - else e.returnValue = false; - }; - var e_stopPropagation = CodeMirror.e_stopPropagation = function(e) { - if (e.stopPropagation) e.stopPropagation(); - else e.cancelBubble = true; - }; - function e_defaultPrevented(e) { - return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false; - } - var e_stop = CodeMirror.e_stop = function(e) {e_preventDefault(e); e_stopPropagation(e);}; - - function e_target(e) {return e.target || e.srcElement;} - function e_button(e) { - var b = e.which; - if (b == null) { - if (e.button & 1) b = 1; - else if (e.button & 2) b = 3; - else if (e.button & 4) b = 2; - } - if (mac && e.ctrlKey && b == 1) b = 3; - return b; - } - - // EVENT HANDLING - - // Lightweight event framework. on/off also work on DOM nodes, - // registering native DOM handlers. - - var on = CodeMirror.on = function(emitter, type, f) { - if (emitter.addEventListener) - emitter.addEventListener(type, f, false); - else if (emitter.attachEvent) - emitter.attachEvent("on" + type, f); - else { - var map = emitter._handlers || (emitter._handlers = {}); - var arr = map[type] || (map[type] = []); - arr.push(f); - } - }; - - var noHandlers = [] - function getHandlers(emitter, type, copy) { - var arr = emitter._handlers && emitter._handlers[type] - if (copy) return arr && arr.length > 0 ? arr.slice() : noHandlers - else return arr || noHandlers - } - - var off = CodeMirror.off = function(emitter, type, f) { - if (emitter.removeEventListener) - emitter.removeEventListener(type, f, false); - else if (emitter.detachEvent) - emitter.detachEvent("on" + type, f); - else { - var handlers = getHandlers(emitter, type, false) - for (var i = 0; i < handlers.length; ++i) - if (handlers[i] == f) { handlers.splice(i, 1); break; } - } - }; - - var signal = CodeMirror.signal = function(emitter, type /*, values...*/) { - var handlers = getHandlers(emitter, type, true) - if (!handlers.length) return; - var args = Array.prototype.slice.call(arguments, 2); - for (var i = 0; i < handlers.length; ++i) handlers[i].apply(null, args); - }; - - var orphanDelayedCallbacks = null; - - // Often, we want to signal events at a point where we are in the - // middle of some work, but don't want the handler to start calling - // other methods on the editor, which might be in an inconsistent - // state or simply not expect any other events to happen. - // signalLater looks whether there are any handlers, and schedules - // them to be executed when the last operation ends, or, if no - // operation is active, when a timeout fires. - function signalLater(emitter, type /*, values...*/) { - var arr = getHandlers(emitter, type, false) - if (!arr.length) return; - var args = Array.prototype.slice.call(arguments, 2), list; - if (operationGroup) { - list = operationGroup.delayedCallbacks; - } else if (orphanDelayedCallbacks) { - list = orphanDelayedCallbacks; - } else { - list = orphanDelayedCallbacks = []; - setTimeout(fireOrphanDelayed, 0); - } - function bnd(f) {return function(){f.apply(null, args);};}; - for (var i = 0; i < arr.length; ++i) - list.push(bnd(arr[i])); - } - - function fireOrphanDelayed() { - var delayed = orphanDelayedCallbacks; - orphanDelayedCallbacks = null; - for (var i = 0; i < delayed.length; ++i) delayed[i](); - } - - // The DOM events that CodeMirror handles can be overridden by - // registering a (non-DOM) handler on the editor for the event name, - // and preventDefault-ing the event in that handler. - function signalDOMEvent(cm, e, override) { - if (typeof e == "string") - e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; - signal(cm, override || e.type, cm, e); - return e_defaultPrevented(e) || e.codemirrorIgnore; - } - - function signalCursorActivity(cm) { - var arr = cm._handlers && cm._handlers.cursorActivity; - if (!arr) return; - var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []); - for (var i = 0; i < arr.length; ++i) if (indexOf(set, arr[i]) == -1) - set.push(arr[i]); - } - - function hasHandler(emitter, type) { - return getHandlers(emitter, type).length > 0 - } - - // Add on and off methods to a constructor's prototype, to make - // registering events on such objects more convenient. - function eventMixin(ctor) { - ctor.prototype.on = function(type, f) {on(this, type, f);}; - ctor.prototype.off = function(type, f) {off(this, type, f);}; - } - - // MISC UTILITIES - - // Number of pixels added to scroller and sizer to hide scrollbar - var scrollerGap = 30; - - // Returned or thrown by various protocols to signal 'I'm not - // handling this'. - var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}}; - - // Reused option objects for setSelection & friends - var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"}; - - function Delayed() {this.id = null;} - Delayed.prototype.set = function(ms, f) { - clearTimeout(this.id); - this.id = setTimeout(f, ms); - }; - - // Counts the column offset in a string, taking tabs into account. - // Used mostly to find indentation. - var countColumn = CodeMirror.countColumn = function(string, end, tabSize, startIndex, startValue) { - if (end == null) { - end = string.search(/[^\s\u00a0]/); - if (end == -1) end = string.length; - } - for (var i = startIndex || 0, n = startValue || 0;;) { - var nextTab = string.indexOf("\t", i); - if (nextTab < 0 || nextTab >= end) - return n + (end - i); - n += nextTab - i; - n += tabSize - (n % tabSize); - i = nextTab + 1; - } - }; - - // The inverse of countColumn -- find the offset that corresponds to - // a particular column. - var findColumn = CodeMirror.findColumn = function(string, goal, tabSize) { - for (var pos = 0, col = 0;;) { - var nextTab = string.indexOf("\t", pos); - if (nextTab == -1) nextTab = string.length; - var skipped = nextTab - pos; - if (nextTab == string.length || col + skipped >= goal) - return pos + Math.min(skipped, goal - col); - col += nextTab - pos; - col += tabSize - (col % tabSize); - pos = nextTab + 1; - if (col >= goal) return pos; - } - } - - var spaceStrs = [""]; - function spaceStr(n) { - while (spaceStrs.length <= n) - spaceStrs.push(lst(spaceStrs) + " "); - return spaceStrs[n]; - } - - function lst(arr) { return arr[arr.length-1]; } - - var selectInput = function(node) { node.select(); }; - if (ios) // Mobile Safari apparently has a bug where select() is broken. - selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; - else if (ie) // Suppress mysterious IE10 errors - selectInput = function(node) { try { node.select(); } catch(_e) {} }; - - function indexOf(array, elt) { - for (var i = 0; i < array.length; ++i) - if (array[i] == elt) return i; - return -1; - } - function map(array, f) { - var out = []; - for (var i = 0; i < array.length; i++) out[i] = f(array[i], i); - return out; - } - - function nothing() {} - - function createObj(base, props) { - var inst; - if (Object.create) { - inst = Object.create(base); - } else { - nothing.prototype = base; - inst = new nothing(); - } - if (props) copyObj(props, inst); - return inst; - }; - - function copyObj(obj, target, overwrite) { - if (!target) target = {}; - for (var prop in obj) - if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) - target[prop] = obj[prop]; - return target; - } - - function bind(f) { - var args = Array.prototype.slice.call(arguments, 1); - return function(){return f.apply(null, args);}; - } - - var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; - var isWordCharBasic = CodeMirror.isWordChar = function(ch) { - return /\w/.test(ch) || ch > "\x80" && - (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)); - }; - function isWordChar(ch, helper) { - if (!helper) return isWordCharBasic(ch); - if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) return true; - return helper.test(ch); - } - - function isEmpty(obj) { - for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) return false; - return true; - } - - // Extending unicode characters. A series of a non-extending char + - // any number of extending chars is treated as a single unit as far - // as editing and measuring is concerned. This is not fully correct, - // since some scripts/fonts/browsers also treat other configurations - // of code points as a group. - var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; - function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); } - - // DOM UTILITIES - - function elt(tag, content, className, style) { - var e = document.createElement(tag); - if (className) e.className = className; - if (style) e.style.cssText = style; - if (typeof content == "string") e.appendChild(document.createTextNode(content)); - else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]); - return e; - } - - var range; - if (document.createRange) range = function(node, start, end, endNode) { - var r = document.createRange(); - r.setEnd(endNode || node, end); - r.setStart(node, start); - return r; - }; - else range = function(node, start, end) { - var r = document.body.createTextRange(); - try { r.moveToElementText(node.parentNode); } - catch(e) { return r; } - r.collapse(true); - r.moveEnd("character", end); - r.moveStart("character", start); - return r; - }; - - function removeChildren(e) { - for (var count = e.childNodes.length; count > 0; --count) - e.removeChild(e.firstChild); - return e; - } - - function removeChildrenAndAdd(parent, e) { - return removeChildren(parent).appendChild(e); - } - - var contains = CodeMirror.contains = function(parent, child) { - if (child.nodeType == 3) // Android browser always returns false when child is a textnode - child = child.parentNode; - if (parent.contains) - return parent.contains(child); - do { - if (child.nodeType == 11) child = child.host; - if (child == parent) return true; - } while (child = child.parentNode); - }; - - function activeElt() { - var activeElement = document.activeElement; - while (activeElement && activeElement.root && activeElement.root.activeElement) - activeElement = activeElement.root.activeElement; - return activeElement; - } - // Older versions of IE throws unspecified error when touching - // document.activeElement in some cases (during loading, in iframe) - if (ie && ie_version < 11) activeElt = function() { - try { return document.activeElement; } - catch(e) { return document.body; } - }; - - function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*"); } - var rmClass = CodeMirror.rmClass = function(node, cls) { - var current = node.className; - var match = classTest(cls).exec(current); - if (match) { - var after = current.slice(match.index + match[0].length); - node.className = current.slice(0, match.index) + (after ? match[1] + after : ""); - } - }; - var addClass = CodeMirror.addClass = function(node, cls) { - var current = node.className; - if (!classTest(cls).test(current)) node.className += (current ? " " : "") + cls; - }; - function joinClasses(a, b) { - var as = a.split(" "); - for (var i = 0; i < as.length; i++) - if (as[i] && !classTest(as[i]).test(b)) b += " " + as[i]; - return b; - } - - // WINDOW-WIDE EVENTS - - // These must be handled carefully, because naively registering a - // handler for each editor will cause the editors to never be - // garbage collected. - - function forEachCodeMirror(f) { - if (!document.body.getElementsByClassName) return; - var byClass = document.body.getElementsByClassName("CodeMirror"); - for (var i = 0; i < byClass.length; i++) { - var cm = byClass[i].CodeMirror; - if (cm) f(cm); - } - } - - var globalsRegistered = false; - function ensureGlobalHandlers() { - if (globalsRegistered) return; - registerGlobalHandlers(); - globalsRegistered = true; - } - function registerGlobalHandlers() { - // When the window resizes, we need to refresh active editors. - var resizeTimer; - on(window, "resize", function() { - if (resizeTimer == null) resizeTimer = setTimeout(function() { - resizeTimer = null; - forEachCodeMirror(onResize); - }, 100); - }); - // When the window loses focus, we want to show the editor as blurred - on(window, "blur", function() { - forEachCodeMirror(onBlur); - }); - } - - // FEATURE DETECTION - - // Detect drag-and-drop - var dragAndDrop = function() { - // There is *some* kind of drag-and-drop support in IE6-8, but I - // couldn't get it to work yet. - if (ie && ie_version < 9) return false; - var div = elt('div'); - return "draggable" in div || "dragDrop" in div; - }(); - - var zwspSupported; - function zeroWidthElement(measure) { - if (zwspSupported == null) { - var test = elt("span", "\u200b"); - removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])); - if (measure.firstChild.offsetHeight != 0) - zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); - } - var node = zwspSupported ? elt("span", "\u200b") : - elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); - node.setAttribute("cm-text", ""); - return node; - } - - // Feature-detect IE's crummy client rect reporting for bidi text - var badBidiRects; - function hasBadBidiRects(measure) { - if (badBidiRects != null) return badBidiRects; - var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); - var r0 = range(txt, 0, 1).getBoundingClientRect(); - if (!r0 || r0.left == r0.right) return false; // Safari returns null in some cases (#2780) - var r1 = range(txt, 1, 2).getBoundingClientRect(); - return badBidiRects = (r1.right - r0.right < 3); - } - - // See if "".split is the broken IE version, if so, provide an - // alternative way to split lines. - var splitLinesAuto = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { - var pos = 0, result = [], l = string.length; - while (pos <= l) { - var nl = string.indexOf("\n", pos); - if (nl == -1) nl = string.length; - var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); - var rt = line.indexOf("\r"); - if (rt != -1) { - result.push(line.slice(0, rt)); - pos += rt + 1; - } else { - result.push(line); - pos = nl + 1; - } - } - return result; - } : function(string){return string.split(/\r\n?|\n/);}; - - var hasSelection = window.getSelection ? function(te) { - try { return te.selectionStart != te.selectionEnd; } - catch(e) { return false; } - } : function(te) { - try {var range = te.ownerDocument.selection.createRange();} - catch(e) {} - if (!range || range.parentElement() != te) return false; - return range.compareEndPoints("StartToEnd", range) != 0; - }; - - var hasCopyEvent = (function() { - var e = elt("div"); - if ("oncopy" in e) return true; - e.setAttribute("oncopy", "return;"); - return typeof e.oncopy == "function"; - })(); - - var badZoomedRects = null; - function hasBadZoomedRects(measure) { - if (badZoomedRects != null) return badZoomedRects; - var node = removeChildrenAndAdd(measure, elt("span", "x")); - var normal = node.getBoundingClientRect(); - var fromRange = range(node, 0, 1).getBoundingClientRect(); - return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1; - } - - // KEY NAMES - - var keyNames = CodeMirror.keyNames = { - 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", - 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", - 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", - 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", - 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete", - 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", - 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", - 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" - }; - (function() { - // Number keys - for (var i = 0; i < 10; i++) keyNames[i + 48] = keyNames[i + 96] = String(i); - // Alphabetic keys - for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i); - // Function keys - for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i; - })(); - - // BIDI HELPERS - - function iterateBidiSections(order, from, to, f) { - if (!order) return f(from, to, "ltr"); - var found = false; - for (var i = 0; i < order.length; ++i) { - var part = order[i]; - if (part.from < to && part.to > from || from == to && part.to == from) { - f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr"); - found = true; - } - } - if (!found) f(from, to, "ltr"); - } - - function bidiLeft(part) { return part.level % 2 ? part.to : part.from; } - function bidiRight(part) { return part.level % 2 ? part.from : part.to; } - - function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; } - function lineRight(line) { - var order = getOrder(line); - if (!order) return line.text.length; - return bidiRight(lst(order)); - } - - function lineStart(cm, lineN) { - var line = getLine(cm.doc, lineN); - var visual = visualLine(line); - if (visual != line) lineN = lineNo(visual); - var order = getOrder(visual); - var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual); - return Pos(lineN, ch); - } - function lineEnd(cm, lineN) { - var merged, line = getLine(cm.doc, lineN); - while (merged = collapsedSpanAtEnd(line)) { - line = merged.find(1, true).line; - lineN = null; - } - var order = getOrder(line); - var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line); - return Pos(lineN == null ? lineNo(line) : lineN, ch); - } - function lineStartSmart(cm, pos) { - var start = lineStart(cm, pos.line); - var line = getLine(cm.doc, start.line); - var order = getOrder(line); - if (!order || order[0].level == 0) { - var firstNonWS = Math.max(0, line.text.search(/\S/)); - var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch; - return Pos(start.line, inWS ? 0 : firstNonWS); - } - return start; - } - - function compareBidiLevel(order, a, b) { - var linedir = order[0].level; - if (a == linedir) return true; - if (b == linedir) return false; - return a < b; - } - var bidiOther; - function getBidiPartAt(order, pos) { - bidiOther = null; - for (var i = 0, found; i < order.length; ++i) { - var cur = order[i]; - if (cur.from < pos && cur.to > pos) return i; - if ((cur.from == pos || cur.to == pos)) { - if (found == null) { - found = i; - } else if (compareBidiLevel(order, cur.level, order[found].level)) { - if (cur.from != cur.to) bidiOther = found; - return i; - } else { - if (cur.from != cur.to) bidiOther = i; - return found; - } - } - } - return found; - } - - function moveInLine(line, pos, dir, byUnit) { - if (!byUnit) return pos + dir; - do pos += dir; - while (pos > 0 && isExtendingChar(line.text.charAt(pos))); - return pos; - } - - // This is needed in order to move 'visually' through bi-directional - // text -- i.e., pressing left should make the cursor go left, even - // when in RTL text. The tricky part is the 'jumps', where RTL and - // LTR text touch each other. This often requires the cursor offset - // to move more than one unit, in order to visually move one unit. - function moveVisually(line, start, dir, byUnit) { - var bidi = getOrder(line); - if (!bidi) return moveLogically(line, start, dir, byUnit); - var pos = getBidiPartAt(bidi, start), part = bidi[pos]; - var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit); - - for (;;) { - if (target > part.from && target < part.to) return target; - if (target == part.from || target == part.to) { - if (getBidiPartAt(bidi, target) == pos) return target; - part = bidi[pos += dir]; - return (dir > 0) == part.level % 2 ? part.to : part.from; - } else { - part = bidi[pos += dir]; - if (!part) return null; - if ((dir > 0) == part.level % 2) - target = moveInLine(line, part.to, -1, byUnit); - else - target = moveInLine(line, part.from, 1, byUnit); - } - } - } - - function moveLogically(line, start, dir, byUnit) { - var target = start + dir; - if (byUnit) while (target > 0 && isExtendingChar(line.text.charAt(target))) target += dir; - return target < 0 || target > line.text.length ? null : target; - } - - // Bidirectional ordering algorithm - // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm - // that this (partially) implements. - - // One-char codes used for character types: - // L (L): Left-to-Right - // R (R): Right-to-Left - // r (AL): Right-to-Left Arabic - // 1 (EN): European Number - // + (ES): European Number Separator - // % (ET): European Number Terminator - // n (AN): Arabic Number - // , (CS): Common Number Separator - // m (NSM): Non-Spacing Mark - // b (BN): Boundary Neutral - // s (B): Paragraph Separator - // t (S): Segment Separator - // w (WS): Whitespace - // N (ON): Other Neutrals - - // Returns null if characters are ordered as they appear - // (left-to-right), or an array of sections ({from, to, level} - // objects) in the order in which they occur visually. - var bidiOrdering = (function() { - // Character types for codepoints 0 to 0xff - var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; - // Character types for codepoints 0x600 to 0x6ff - var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm"; - function charType(code) { - if (code <= 0xf7) return lowTypes.charAt(code); - else if (0x590 <= code && code <= 0x5f4) return "R"; - else if (0x600 <= code && code <= 0x6ed) return arabicTypes.charAt(code - 0x600); - else if (0x6ee <= code && code <= 0x8ac) return "r"; - else if (0x2000 <= code && code <= 0x200b) return "w"; - else if (code == 0x200c) return "b"; - else return "L"; - } - - var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; - var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; - // Browsers seem to always treat the boundaries of block elements as being L. - var outerType = "L"; - - function BidiSpan(level, from, to) { - this.level = level; - this.from = from; this.to = to; - } - - return function(str) { - if (!bidiRE.test(str)) return false; - var len = str.length, types = []; - for (var i = 0, type; i < len; ++i) - types.push(type = charType(str.charCodeAt(i))); - - // W1. Examine each non-spacing mark (NSM) in the level run, and - // change the type of the NSM to the type of the previous - // character. If the NSM is at the start of the level run, it will - // get the type of sor. - for (var i = 0, prev = outerType; i < len; ++i) { - var type = types[i]; - if (type == "m") types[i] = prev; - else prev = type; - } - - // W2. Search backwards from each instance of a European number - // until the first strong type (R, L, AL, or sor) is found. If an - // AL is found, change the type of the European number to Arabic - // number. - // W3. Change all ALs to R. - for (var i = 0, cur = outerType; i < len; ++i) { - var type = types[i]; - if (type == "1" && cur == "r") types[i] = "n"; - else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; } - } - - // W4. A single European separator between two European numbers - // changes to a European number. A single common separator between - // two numbers of the same type changes to that type. - for (var i = 1, prev = types[0]; i < len - 1; ++i) { - var type = types[i]; - if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1"; - else if (type == "," && prev == types[i+1] && - (prev == "1" || prev == "n")) types[i] = prev; - prev = type; - } - - // W5. A sequence of European terminators adjacent to European - // numbers changes to all European numbers. - // W6. Otherwise, separators and terminators change to Other - // Neutral. - for (var i = 0; i < len; ++i) { - var type = types[i]; - if (type == ",") types[i] = "N"; - else if (type == "%") { - for (var end = i + 1; end < len && types[end] == "%"; ++end) {} - var replace = (i && types[i-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"; - for (var j = i; j < end; ++j) types[j] = replace; - i = end - 1; - } - } - - // W7. Search backwards from each instance of a European number - // until the first strong type (R, L, or sor) is found. If an L is - // found, then change the type of the European number to L. - for (var i = 0, cur = outerType; i < len; ++i) { - var type = types[i]; - if (cur == "L" && type == "1") types[i] = "L"; - else if (isStrong.test(type)) cur = type; - } - - // N1. A sequence of neutrals takes the direction of the - // surrounding strong text if the text on both sides has the same - // direction. European and Arabic numbers act as if they were R in - // terms of their influence on neutrals. Start-of-level-run (sor) - // and end-of-level-run (eor) are used at level run boundaries. - // N2. Any remaining neutrals take the embedding direction. - for (var i = 0; i < len; ++i) { - if (isNeutral.test(types[i])) { - for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {} - var before = (i ? types[i-1] : outerType) == "L"; - var after = (end < len ? types[end] : outerType) == "L"; - var replace = before || after ? "L" : "R"; - for (var j = i; j < end; ++j) types[j] = replace; - i = end - 1; - } - } - - // Here we depart from the documented algorithm, in order to avoid - // building up an actual levels array. Since there are only three - // levels (0, 1, 2) in an implementation that doesn't take - // explicit embedding into account, we can build up the order on - // the fly, without following the level-based algorithm. - var order = [], m; - for (var i = 0; i < len;) { - if (countsAsLeft.test(types[i])) { - var start = i; - for (++i; i < len && countsAsLeft.test(types[i]); ++i) {} - order.push(new BidiSpan(0, start, i)); - } else { - var pos = i, at = order.length; - for (++i; i < len && types[i] != "L"; ++i) {} - for (var j = pos; j < i;) { - if (countsAsNum.test(types[j])) { - if (pos < j) order.splice(at, 0, new BidiSpan(1, pos, j)); - var nstart = j; - for (++j; j < i && countsAsNum.test(types[j]); ++j) {} - order.splice(at, 0, new BidiSpan(2, nstart, j)); - pos = j; - } else ++j; - } - if (pos < i) order.splice(at, 0, new BidiSpan(1, pos, i)); - } - } - if (order[0].level == 1 && (m = str.match(/^\s+/))) { - order[0].from = m[0].length; - order.unshift(new BidiSpan(0, 0, m[0].length)); - } - if (lst(order).level == 1 && (m = str.match(/\s+$/))) { - lst(order).to -= m[0].length; - order.push(new BidiSpan(0, len - m[0].length, len)); - } - if (order[0].level == 2) - order.unshift(new BidiSpan(1, order[0].to, order[0].to)); - if (order[0].level != lst(order).level) - order.push(new BidiSpan(order[0].level, len, len)); - - return order; - }; - })(); - - // THE END - - CodeMirror.version = "5.14.3"; - - return CodeMirror; -}); diff --git a/interp/tracer/codemirror/lib/javascript.js b/interp/tracer/codemirror/lib/javascript.js deleted file mode 100644 index fa5721d5..00000000 --- a/interp/tracer/codemirror/lib/javascript.js +++ /dev/null @@ -1,742 +0,0 @@ -// CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE - -// TODO actually recognize syntax of TypeScript constructs - -(function(mod) { - if (typeof exports == "object" && typeof module == "object") // CommonJS - mod(require("../../lib/codemirror")); - else if (typeof define == "function" && define.amd) // AMD - define(["../../lib/codemirror"], mod); - else // Plain browser env - mod(CodeMirror); -})(function(CodeMirror) { -"use strict"; - -function expressionAllowed(stream, state, backUp) { - return /^(?:operator|sof|keyword c|case|new|[\[{}\(,;:]|=>)$/.test(state.lastType) || - (state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0)))) -} - -CodeMirror.defineMode("javascript", function(config, parserConfig) { - var indentUnit = config.indentUnit; - var statementIndent = parserConfig.statementIndent; - var jsonldMode = parserConfig.jsonld; - var jsonMode = parserConfig.json || jsonldMode; - var isTS = parserConfig.typescript; - var wordRE = parserConfig.wordCharacters || /[\w$\xa1-\uffff]/; - - // Tokenizer - - var keywords = function(){ - function kw(type) {return {type: type, style: "keyword"};} - var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"); - var operator = kw("operator"), atom = {type: "atom", style: "atom"}; - - var jsKeywords = { - "if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B, - "return": C, "break": C, "continue": C, "new": kw("new"), "delete": C, "throw": C, "debugger": C, - "var": kw("var"), "const": kw("var"), "let": kw("var"), - "function": kw("function"), "catch": kw("catch"), - "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"), - "in": operator, "typeof": operator, "instanceof": operator, - "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom, - "this": kw("this"), "class": kw("class"), "super": kw("atom"), - "yield": C, "export": kw("export"), "import": kw("import"), "extends": C - }; - - // Extend the 'normal' keywords with the TypeScript language extensions - if (isTS) { - var type = {type: "variable", style: "variable-3"}; - var tsKeywords = { - // object-like things - "interface": kw("class"), - "implements": C, - "namespace": C, - "module": kw("module"), - "enum": kw("module"), - - // scope modifiers - "public": kw("modifier"), - "private": kw("modifier"), - "protected": kw("modifier"), - "abstract": kw("modifier"), - - // operators - "as": operator, - - // types - "string": type, "number": type, "boolean": type, "any": type - }; - - for (var attr in tsKeywords) { - jsKeywords[attr] = tsKeywords[attr]; - } - } - - return jsKeywords; - }(); - - var isOperatorChar = /[+\-*&%=<>!?|~^]/; - var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/; - - function readRegexp(stream) { - var escaped = false, next, inSet = false; - while ((next = stream.next()) != null) { - if (!escaped) { - if (next == "/" && !inSet) return; - if (next == "[") inSet = true; - else if (inSet && next == "]") inSet = false; - } - escaped = !escaped && next == "\\"; - } - } - - // Used as scratch variables to communicate multiple values without - // consing up tons of objects. - var type, content; - function ret(tp, style, cont) { - type = tp; content = cont; - return style; - } - function tokenBase(stream, state) { - var ch = stream.next(); - if (ch == '"' || ch == "'") { - state.tokenize = tokenString(ch); - return state.tokenize(stream, state); - } else if (ch == "." && stream.match(/^\d+(?:[eE][+\-]?\d+)?/)) { - return ret("number", "number"); - } else if (ch == "." && stream.match("..")) { - return ret("spread", "meta"); - } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) { - return ret(ch); - } else if (ch == "=" && stream.eat(">")) { - return ret("=>", "operator"); - } else if (ch == "0" && stream.eat(/x/i)) { - stream.eatWhile(/[\da-f]/i); - return ret("number", "number"); - } else if (ch == "0" && stream.eat(/o/i)) { - stream.eatWhile(/[0-7]/i); - return ret("number", "number"); - } else if (ch == "0" && stream.eat(/b/i)) { - stream.eatWhile(/[01]/i); - return ret("number", "number"); - } else if (/\d/.test(ch)) { - stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/); - return ret("number", "number"); - } else if (ch == "/") { - if (stream.eat("*")) { - state.tokenize = tokenComment; - return tokenComment(stream, state); - } else if (stream.eat("/")) { - stream.skipToEnd(); - return ret("comment", "comment"); - } else if (expressionAllowed(stream, state, 1)) { - readRegexp(stream); - stream.match(/^\b(([gimyu])(?![gimyu]*\2))+\b/); - return ret("regexp", "string-2"); - } else { - stream.eatWhile(isOperatorChar); - return ret("operator", "operator", stream.current()); - } - } else if (ch == "`") { - state.tokenize = tokenQuasi; - return tokenQuasi(stream, state); - } else if (ch == "#") { - stream.skipToEnd(); - return ret("error", "error"); - } else if (isOperatorChar.test(ch)) { - stream.eatWhile(isOperatorChar); - return ret("operator", "operator", stream.current()); - } else if (wordRE.test(ch)) { - stream.eatWhile(wordRE); - var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word]; - return (known && state.lastType != ".") ? ret(known.type, known.style, word) : - ret("variable", "variable", word); - } - } - - function tokenString(quote) { - return function(stream, state) { - var escaped = false, next; - if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){ - state.tokenize = tokenBase; - return ret("jsonld-keyword", "meta"); - } - while ((next = stream.next()) != null) { - if (next == quote && !escaped) break; - escaped = !escaped && next == "\\"; - } - if (!escaped) state.tokenize = tokenBase; - return ret("string", "string"); - }; - } - - function tokenComment(stream, state) { - var maybeEnd = false, ch; - while (ch = stream.next()) { - if (ch == "/" && maybeEnd) { - state.tokenize = tokenBase; - break; - } - maybeEnd = (ch == "*"); - } - return ret("comment", "comment"); - } - - function tokenQuasi(stream, state) { - var escaped = false, next; - while ((next = stream.next()) != null) { - if (!escaped && (next == "`" || next == "$" && stream.eat("{"))) { - state.tokenize = tokenBase; - break; - } - escaped = !escaped && next == "\\"; - } - return ret("quasi", "string-2", stream.current()); - } - - var brackets = "([{}])"; - // This is a crude lookahead trick to try and notice that we're - // parsing the argument patterns for a fat-arrow function before we - // actually hit the arrow token. It only works if the arrow is on - // the same line as the arguments and there's no strange noise - // (comments) in between. Fallback is to only notice when we hit the - // arrow, and not declare the arguments as locals for the arrow - // body. - function findFatArrow(stream, state) { - if (state.fatArrowAt) state.fatArrowAt = null; - var arrow = stream.string.indexOf("=>", stream.start); - if (arrow < 0) return; - - var depth = 0, sawSomething = false; - for (var pos = arrow - 1; pos >= 0; --pos) { - var ch = stream.string.charAt(pos); - var bracket = brackets.indexOf(ch); - if (bracket >= 0 && bracket < 3) { - if (!depth) { ++pos; break; } - if (--depth == 0) break; - } else if (bracket >= 3 && bracket < 6) { - ++depth; - } else if (wordRE.test(ch)) { - sawSomething = true; - } else if (/["'\/]/.test(ch)) { - return; - } else if (sawSomething && !depth) { - ++pos; - break; - } - } - if (sawSomething && !depth) state.fatArrowAt = pos; - } - - // Parser - - var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true, "this": true, "jsonld-keyword": true}; - - function JSLexical(indented, column, type, align, prev, info) { - this.indented = indented; - this.column = column; - this.type = type; - this.prev = prev; - this.info = info; - if (align != null) this.align = align; - } - - function inScope(state, varname) { - for (var v = state.localVars; v; v = v.next) - if (v.name == varname) return true; - for (var cx = state.context; cx; cx = cx.prev) { - for (var v = cx.vars; v; v = v.next) - if (v.name == varname) return true; - } - } - - function parseJS(state, style, type, content, stream) { - var cc = state.cc; - // Communicate our context to the combinators. - // (Less wasteful than consing up a hundred closures on every call.) - cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style; - - if (!state.lexical.hasOwnProperty("align")) - state.lexical.align = true; - - while(true) { - var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement; - if (combinator(type, content)) { - while(cc.length && cc[cc.length - 1].lex) - cc.pop()(); - if (cx.marked) return cx.marked; - if (type == "variable" && inScope(state, content)) return "variable-2"; - return style; - } - } - } - - // Combinator utils - - var cx = {state: null, column: null, marked: null, cc: null}; - function pass() { - for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]); - } - function cont() { - pass.apply(null, arguments); - return true; - } - function register(varname) { - function inList(list) { - for (var v = list; v; v = v.next) - if (v.name == varname) return true; - return false; - } - var state = cx.state; - cx.marked = "def"; - if (state.context) { - if (inList(state.localVars)) return; - state.localVars = {name: varname, next: state.localVars}; - } else { - if (inList(state.globalVars)) return; - if (parserConfig.globalVars) - state.globalVars = {name: varname, next: state.globalVars}; - } - } - - // Combinators - - var defaultVars = {name: "this", next: {name: "arguments"}}; - function pushcontext() { - cx.state.context = {prev: cx.state.context, vars: cx.state.localVars}; - cx.state.localVars = defaultVars; - } - function popcontext() { - cx.state.localVars = cx.state.context.vars; - cx.state.context = cx.state.context.prev; - } - function pushlex(type, info) { - var result = function() { - var state = cx.state, indent = state.indented; - if (state.lexical.type == "stat") indent = state.lexical.indented; - else for (var outer = state.lexical; outer && outer.type == ")" && outer.align; outer = outer.prev) - indent = outer.indented; - state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info); - }; - result.lex = true; - return result; - } - function poplex() { - var state = cx.state; - if (state.lexical.prev) { - if (state.lexical.type == ")") - state.indented = state.lexical.indented; - state.lexical = state.lexical.prev; - } - } - poplex.lex = true; - - function expect(wanted) { - function exp(type) { - if (type == wanted) return cont(); - else if (wanted == ";") return pass(); - else return cont(exp); - }; - return exp; - } - - function statement(type, value) { - if (type == "var") return cont(pushlex("vardef", value.length), vardef, expect(";"), poplex); - if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex); - if (type == "keyword b") return cont(pushlex("form"), statement, poplex); - if (type == "{") return cont(pushlex("}"), block, poplex); - if (type == ";") return cont(); - if (type == "if") { - if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex) - cx.state.cc.pop()(); - return cont(pushlex("form"), expression, statement, poplex, maybeelse); - } - if (type == "function") return cont(functiondef); - if (type == "for") return cont(pushlex("form"), forspec, statement, poplex); - if (type == "variable") return cont(pushlex("stat"), maybelabel); - if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"), - block, poplex, poplex); - if (type == "case") return cont(expression, expect(":")); - if (type == "default") return cont(expect(":")); - if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"), - statement, poplex, popcontext); - if (type == "class") return cont(pushlex("form"), className, poplex); - if (type == "export") return cont(pushlex("stat"), afterExport, poplex); - if (type == "import") return cont(pushlex("stat"), afterImport, poplex); - if (type == "module") return cont(pushlex("form"), pattern, pushlex("}"), expect("{"), block, poplex, poplex) - return pass(pushlex("stat"), expression, expect(";"), poplex); - } - function expression(type) { - return expressionInner(type, false); - } - function expressionNoComma(type) { - return expressionInner(type, true); - } - function expressionInner(type, noComma) { - if (cx.state.fatArrowAt == cx.stream.start) { - var body = noComma ? arrowBodyNoComma : arrowBody; - if (type == "(") return cont(pushcontext, pushlex(")"), commasep(pattern, ")"), poplex, expect("=>"), body, popcontext); - else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext); - } - - var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma; - if (atomicTypes.hasOwnProperty(type)) return cont(maybeop); - if (type == "function") return cont(functiondef, maybeop); - if (type == "keyword c") return cont(noComma ? maybeexpressionNoComma : maybeexpression); - if (type == "(") return cont(pushlex(")"), maybeexpression, comprehension, expect(")"), poplex, maybeop); - if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression); - if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop); - if (type == "{") return contCommasep(objprop, "}", null, maybeop); - if (type == "quasi") return pass(quasi, maybeop); - if (type == "new") return cont(maybeTarget(noComma)); - return cont(); - } - function maybeexpression(type) { - if (type.match(/[;\}\)\],]/)) return pass(); - return pass(expression); - } - function maybeexpressionNoComma(type) { - if (type.match(/[;\}\)\],]/)) return pass(); - return pass(expressionNoComma); - } - - function maybeoperatorComma(type, value) { - if (type == ",") return cont(expression); - return maybeoperatorNoComma(type, value, false); - } - function maybeoperatorNoComma(type, value, noComma) { - var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma; - var expr = noComma == false ? expression : expressionNoComma; - if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext); - if (type == "operator") { - if (/\+\+|--/.test(value)) return cont(me); - if (value == "?") return cont(expression, expect(":"), expr); - return cont(expr); - } - if (type == "quasi") { return pass(quasi, me); } - if (type == ";") return; - if (type == "(") return contCommasep(expressionNoComma, ")", "call", me); - if (type == ".") return cont(property, me); - if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me); - } - function quasi(type, value) { - if (type != "quasi") return pass(); - if (value.slice(value.length - 2) != "${") return cont(quasi); - return cont(expression, continueQuasi); - } - function continueQuasi(type) { - if (type == "}") { - cx.marked = "string-2"; - cx.state.tokenize = tokenQuasi; - return cont(quasi); - } - } - function arrowBody(type) { - findFatArrow(cx.stream, cx.state); - return pass(type == "{" ? statement : expression); - } - function arrowBodyNoComma(type) { - findFatArrow(cx.stream, cx.state); - return pass(type == "{" ? statement : expressionNoComma); - } - function maybeTarget(noComma) { - return function(type) { - if (type == ".") return cont(noComma ? targetNoComma : target); - else return pass(noComma ? expressionNoComma : expression); - }; - } - function target(_, value) { - if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorComma); } - } - function targetNoComma(_, value) { - if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorNoComma); } - } - function maybelabel(type) { - if (type == ":") return cont(poplex, statement); - return pass(maybeoperatorComma, expect(";"), poplex); - } - function property(type) { - if (type == "variable") {cx.marked = "property"; return cont();} - } - function objprop(type, value) { - if (type == "variable" || cx.style == "keyword") { - cx.marked = "property"; - if (value == "get" || value == "set") return cont(getterSetter); - return cont(afterprop); - } else if (type == "number" || type == "string") { - cx.marked = jsonldMode ? "property" : (cx.style + " property"); - return cont(afterprop); - } else if (type == "jsonld-keyword") { - return cont(afterprop); - } else if (type == "modifier") { - return cont(objprop) - } else if (type == "[") { - return cont(expression, expect("]"), afterprop); - } else if (type == "spread") { - return cont(expression); - } - } - function getterSetter(type) { - if (type != "variable") return pass(afterprop); - cx.marked = "property"; - return cont(functiondef); - } - function afterprop(type) { - if (type == ":") return cont(expressionNoComma); - if (type == "(") return pass(functiondef); - } - function commasep(what, end) { - function proceed(type) { - if (type == ",") { - var lex = cx.state.lexical; - if (lex.info == "call") lex.pos = (lex.pos || 0) + 1; - return cont(what, proceed); - } - if (type == end) return cont(); - return cont(expect(end)); - } - return function(type) { - if (type == end) return cont(); - return pass(what, proceed); - }; - } - function contCommasep(what, end, info) { - for (var i = 3; i < arguments.length; i++) - cx.cc.push(arguments[i]); - return cont(pushlex(end, info), commasep(what, end), poplex); - } - function block(type) { - if (type == "}") return cont(); - return pass(statement, block); - } - function maybetype(type) { - if (isTS && type == ":") return cont(typedef); - } - function maybedefault(_, value) { - if (value == "=") return cont(expressionNoComma); - } - function typedef(type) { - if (type == "variable") {cx.marked = "variable-3"; return cont();} - } - function vardef() { - return pass(pattern, maybetype, maybeAssign, vardefCont); - } - function pattern(type, value) { - if (type == "modifier") return cont(pattern) - if (type == "variable") { register(value); return cont(); } - if (type == "spread") return cont(pattern); - if (type == "[") return contCommasep(pattern, "]"); - if (type == "{") return contCommasep(proppattern, "}"); - } - function proppattern(type, value) { - if (type == "variable" && !cx.stream.match(/^\s*:/, false)) { - register(value); - return cont(maybeAssign); - } - if (type == "variable") cx.marked = "property"; - if (type == "spread") return cont(pattern); - if (type == "}") return pass(); - return cont(expect(":"), pattern, maybeAssign); - } - function maybeAssign(_type, value) { - if (value == "=") return cont(expressionNoComma); - } - function vardefCont(type) { - if (type == ",") return cont(vardef); - } - function maybeelse(type, value) { - if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex); - } - function forspec(type) { - if (type == "(") return cont(pushlex(")"), forspec1, expect(")"), poplex); - } - function forspec1(type) { - if (type == "var") return cont(vardef, expect(";"), forspec2); - if (type == ";") return cont(forspec2); - if (type == "variable") return cont(formaybeinof); - return pass(expression, expect(";"), forspec2); - } - function formaybeinof(_type, value) { - if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); } - return cont(maybeoperatorComma, forspec2); - } - function forspec2(type, value) { - if (type == ";") return cont(forspec3); - if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); } - return pass(expression, expect(";"), forspec3); - } - function forspec3(type) { - if (type != ")") cont(expression); - } - function functiondef(type, value) { - if (value == "*") {cx.marked = "keyword"; return cont(functiondef);} - if (type == "variable") {register(value); return cont(functiondef);} - if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, statement, popcontext); - } - function funarg(type) { - if (type == "spread") return cont(funarg); - return pass(pattern, maybetype, maybedefault); - } - function className(type, value) { - if (type == "variable") {register(value); return cont(classNameAfter);} - } - function classNameAfter(type, value) { - if (value == "extends") return cont(expression, classNameAfter); - if (type == "{") return cont(pushlex("}"), classBody, poplex); - } - function classBody(type, value) { - if (type == "variable" || cx.style == "keyword") { - if (value == "static") { - cx.marked = "keyword"; - return cont(classBody); - } - cx.marked = "property"; - if (value == "get" || value == "set") return cont(classGetterSetter, functiondef, classBody); - return cont(functiondef, classBody); - } - if (value == "*") { - cx.marked = "keyword"; - return cont(classBody); - } - if (type == ";") return cont(classBody); - if (type == "}") return cont(); - } - function classGetterSetter(type) { - if (type != "variable") return pass(); - cx.marked = "property"; - return cont(); - } - function afterExport(_type, value) { - if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); } - if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); } - return pass(statement); - } - function afterImport(type) { - if (type == "string") return cont(); - return pass(importSpec, maybeFrom); - } - function importSpec(type, value) { - if (type == "{") return contCommasep(importSpec, "}"); - if (type == "variable") register(value); - if (value == "*") cx.marked = "keyword"; - return cont(maybeAs); - } - function maybeAs(_type, value) { - if (value == "as") { cx.marked = "keyword"; return cont(importSpec); } - } - function maybeFrom(_type, value) { - if (value == "from") { cx.marked = "keyword"; return cont(expression); } - } - function arrayLiteral(type) { - if (type == "]") return cont(); - return pass(expressionNoComma, maybeArrayComprehension); - } - function maybeArrayComprehension(type) { - if (type == "for") return pass(comprehension, expect("]")); - if (type == ",") return cont(commasep(maybeexpressionNoComma, "]")); - return pass(commasep(expressionNoComma, "]")); - } - function comprehension(type) { - if (type == "for") return cont(forspec, comprehension); - if (type == "if") return cont(expression, comprehension); - } - - function isContinuedStatement(state, textAfter) { - return state.lastType == "operator" || state.lastType == "," || - isOperatorChar.test(textAfter.charAt(0)) || - /[,.]/.test(textAfter.charAt(0)); - } - - // Interface - - return { - startState: function(basecolumn) { - var state = { - tokenize: tokenBase, - lastType: "sof", - cc: [], - lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false), - localVars: parserConfig.localVars, - context: parserConfig.localVars && {vars: parserConfig.localVars}, - indented: basecolumn || 0 - }; - if (parserConfig.globalVars && typeof parserConfig.globalVars == "object") - state.globalVars = parserConfig.globalVars; - return state; - }, - - token: function(stream, state) { - if (stream.sol()) { - if (!state.lexical.hasOwnProperty("align")) - state.lexical.align = false; - state.indented = stream.indentation(); - findFatArrow(stream, state); - } - if (state.tokenize != tokenComment && stream.eatSpace()) return null; - var style = state.tokenize(stream, state); - if (type == "comment") return style; - state.lastType = type == "operator" && (content == "++" || content == "--") ? "incdec" : type; - return parseJS(state, style, type, content, stream); - }, - - indent: function(state, textAfter) { - if (state.tokenize == tokenComment) return CodeMirror.Pass; - if (state.tokenize != tokenBase) return 0; - var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical; - // Kludge to prevent 'maybelse' from blocking lexical scope pops - if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) { - var c = state.cc[i]; - if (c == poplex) lexical = lexical.prev; - else if (c != maybeelse) break; - } - if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev; - if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat") - lexical = lexical.prev; - var type = lexical.type, closing = firstChar == type; - - if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info + 1 : 0); - else if (type == "form" && firstChar == "{") return lexical.indented; - else if (type == "form") return lexical.indented + indentUnit; - else if (type == "stat") - return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent || indentUnit : 0); - else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false) - return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit); - else if (lexical.align) return lexical.column + (closing ? 0 : 1); - else return lexical.indented + (closing ? 0 : indentUnit); - }, - - electricInput: /^\s*(?:case .*?:|default:|\{|\})$/, - blockCommentStart: jsonMode ? null : "/*", - blockCommentEnd: jsonMode ? null : "*/", - lineComment: jsonMode ? null : "//", - fold: "brace", - closeBrackets: "()[]{}''\"\"``", - - helperType: jsonMode ? "json" : "javascript", - jsonldMode: jsonldMode, - jsonMode: jsonMode, - - expressionAllowed: expressionAllowed, - skipExpression: function(state) { - var top = state.cc[state.cc.length - 1] - if (top == expression || top == expressionNoComma) state.cc.pop() - } - }; -}); - -CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/); - -CodeMirror.defineMIME("text/javascript", "javascript"); -CodeMirror.defineMIME("text/ecmascript", "javascript"); -CodeMirror.defineMIME("application/javascript", "javascript"); -CodeMirror.defineMIME("application/x-javascript", "javascript"); -CodeMirror.defineMIME("application/ecmascript", "javascript"); -CodeMirror.defineMIME("application/json", {name: "javascript", json: true}); -CodeMirror.defineMIME("application/x-json", {name: "javascript", json: true}); -CodeMirror.defineMIME("application/ld+json", {name: "javascript", jsonld: true}); -CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true }); -CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true }); - -}); diff --git a/interp/tracer/codemirror/lib/mllike.js b/interp/tracer/codemirror/lib/mllike.js deleted file mode 100644 index bf0b8a67..00000000 --- a/interp/tracer/codemirror/lib/mllike.js +++ /dev/null @@ -1,205 +0,0 @@ -// CodeMirror, copyright (c) by Marijn Haverbeke and others -// Distributed under an MIT license: http://codemirror.net/LICENSE - -(function(mod) { - if (typeof exports == "object" && typeof module == "object") // CommonJS - mod(require("../../lib/codemirror")); - else if (typeof define == "function" && define.amd) // AMD - define(["../../lib/codemirror"], mod); - else // Plain browser env - mod(CodeMirror); -})(function(CodeMirror) { -"use strict"; - -CodeMirror.defineMode('mllike', function(_config, parserConfig) { - var words = { - 'let': 'keyword', - 'rec': 'keyword', - 'in': 'keyword', - 'of': 'keyword', - 'and': 'keyword', - 'if': 'keyword', - 'then': 'keyword', - 'else': 'keyword', - 'for': 'keyword', - 'to': 'keyword', - 'while': 'keyword', - 'do': 'keyword', - 'done': 'keyword', - 'fun': 'keyword', - 'function': 'keyword', - 'val': 'keyword', - 'type': 'keyword', - 'mutable': 'keyword', - 'match': 'keyword', - 'with': 'keyword', - 'try': 'keyword', - 'open': 'builtin', - 'ignore': 'builtin', - 'begin': 'keyword', - 'end': 'keyword' - }; - - var extraWords = parserConfig.extraWords || {}; - for (var prop in extraWords) { - if (extraWords.hasOwnProperty(prop)) { - words[prop] = parserConfig.extraWords[prop]; - } - } - - function tokenBase(stream, state) { - var ch = stream.next(); - - if (ch === '"') { - state.tokenize = tokenString; - return state.tokenize(stream, state); - } - if (ch === '(') { - if (stream.eat('*')) { - state.commentLevel++; - state.tokenize = tokenComment; - return state.tokenize(stream, state); - } - } - if (ch === '~') { - stream.eatWhile(/\w/); - return 'variable-2'; - } - if (ch === '`') { - stream.eatWhile(/\w/); - return 'quote'; - } - if (ch === '/' && parserConfig.slashComments && stream.eat('/')) { - stream.skipToEnd(); - return 'comment'; - } - if (/\d/.test(ch)) { - stream.eatWhile(/[\d]/); - if (stream.eat('.')) { - stream.eatWhile(/[\d]/); - } - return 'number'; - } - if ( /[+\-*&%=<>!?|]/.test(ch)) { - return 'operator'; - } - stream.eatWhile(/\w/); - var cur = stream.current(); - return words.hasOwnProperty(cur) ? words[cur] : 'variable'; - } - - function tokenString(stream, state) { - var next, end = false, escaped = false; - while ((next = stream.next()) != null) { - if (next === '"' && !escaped) { - end = true; - break; - } - escaped = !escaped && next === '\\'; - } - if (end && !escaped) { - state.tokenize = tokenBase; - } - return 'string'; - }; - - function tokenComment(stream, state) { - var prev, next; - while(state.commentLevel > 0 && (next = stream.next()) != null) { - if (prev === '(' && next === '*') state.commentLevel++; - if (prev === '*' && next === ')') state.commentLevel--; - prev = next; - } - if (state.commentLevel <= 0) { - state.tokenize = tokenBase; - } - return 'comment'; - } - - return { - startState: function() {return {tokenize: tokenBase, commentLevel: 0};}, - token: function(stream, state) { - if (stream.eatSpace()) return null; - return state.tokenize(stream, state); - }, - - blockCommentStart: "(*", - blockCommentEnd: "*)", - lineComment: parserConfig.slashComments ? "//" : null - }; -}); - -CodeMirror.defineMIME('text/x-ocaml', { - name: 'mllike', - extraWords: { - 'succ': 'keyword', - 'trace': 'builtin', - 'exit': 'builtin', - 'print_string': 'builtin', - 'print_endline': 'builtin', - 'true': 'atom', - 'false': 'atom', - 'raise': 'keyword' - } -}); - -CodeMirror.defineMIME('text/x-fsharp', { - name: 'mllike', - extraWords: { - 'abstract': 'keyword', - 'as': 'keyword', - 'assert': 'keyword', - 'base': 'keyword', - 'class': 'keyword', - 'default': 'keyword', - 'delegate': 'keyword', - 'downcast': 'keyword', - 'downto': 'keyword', - 'elif': 'keyword', - 'exception': 'keyword', - 'extern': 'keyword', - 'finally': 'keyword', - 'global': 'keyword', - 'inherit': 'keyword', - 'inline': 'keyword', - 'interface': 'keyword', - 'internal': 'keyword', - 'lazy': 'keyword', - 'let!': 'keyword', - 'member' : 'keyword', - 'module': 'keyword', - 'namespace': 'keyword', - 'new': 'keyword', - 'null': 'keyword', - 'override': 'keyword', - 'private': 'keyword', - 'public': 'keyword', - 'return': 'keyword', - 'return!': 'keyword', - 'select': 'keyword', - 'static': 'keyword', - 'struct': 'keyword', - 'upcast': 'keyword', - 'use': 'keyword', - 'use!': 'keyword', - 'val': 'keyword', - 'when': 'keyword', - 'yield': 'keyword', - 'yield!': 'keyword', - - 'List': 'builtin', - 'Seq': 'builtin', - 'Map': 'builtin', - 'Set': 'builtin', - 'int': 'builtin', - 'string': 'builtin', - 'raise': 'builtin', - 'failwith': 'builtin', - 'not': 'builtin', - 'true': 'builtin', - 'false': 'builtin' - }, - slashComments: true -}); - -}); diff --git a/interp/tracer/codemirror_ocaml.js b/interp/tracer/codemirror_ocaml.js deleted file mode 100644 index 51d13f25..00000000 --- a/interp/tracer/codemirror_ocaml.js +++ /dev/null @@ -1,116 +0,0 @@ -CodeMirror.defineMode('ocaml', function(config) { - - var words = { - 'true': 'atom', - 'false': 'atom', - 'let': 'keyword', - 'rec': 'keyword', - 'in': 'keyword', - 'of': 'keyword', - 'and': 'keyword', - 'succ': 'keyword', - 'if': 'keyword', - 'then': 'keyword', - 'else': 'keyword', - 'for': 'keyword', - 'to': 'keyword', - 'while': 'keyword', - 'do': 'keyword', - 'done': 'keyword', - 'fun': 'keyword', - 'function': 'keyword', - 'val': 'keyword', - 'type': 'keyword', - 'mutable': 'keyword', - 'match': 'keyword', - 'with': 'keyword', - 'try': 'keyword', - 'raise': 'keyword', - 'begin': 'keyword', - 'end': 'keyword', - 'open': 'builtin', - 'trace': 'builtin', - 'ignore': 'builtin', - 'exit': 'builtin', - 'print_string': 'builtin', - 'print_endline': 'builtin' - }; - - function tokenBase(stream, state) { - var sol = stream.sol(); - var ch = stream.next(); - - if (ch === '"') { - state.tokenize = tokenString; - return state.tokenize(stream, state); - } - if (ch === '(') { - if (stream.eat('*')) { - state.commentLevel++; - state.tokenize = tokenComment; - return state.tokenize(stream, state); - } - } - if (ch === '~') { - stream.eatWhile(/\w/); - return 'variable-2'; - } - if (ch === '`') { - stream.eatWhile(/\w/); - return 'quote'; - } - if (/\d/.test(ch)) { - stream.eatWhile(/[\d]/); - if (stream.eat('.')) { - stream.eatWhile(/[\d]/); - } - return 'number'; - } - if ( /[+\-*&%=<>!?|]/.test(ch)) { - return 'operator'; - } - stream.eatWhile(/\w/); - var cur = stream.current(); - return words[cur] || 'variable'; - } - - function tokenString(stream, state) { - var next, end = false, escaped = false; - while ((next = stream.next()) != null) { - if (next === '"' && !escaped) { - end = true; - break; - } - escaped = !escaped && next === '\\'; - } - if (end && !escaped) { - state.tokenize = tokenBase; - } - return 'string'; - }; - - function tokenComment(stream, state) { - var prev, next; - while(state.commentLevel > 0 && (next = stream.next()) != null) { - if (prev === '(' && next === '*') state.commentLevel++; - if (prev === '*' && next === ')') state.commentLevel--; - prev = next; - } - if (state.commentLevel <= 0) { - state.tokenize = tokenBase; - } - return 'comment'; - } - - return { - startState: function() {return {tokenize: tokenBase, commentLevel: 0};}, - token: function(stream, state) { - if (stream.eatSpace()) return null; - return state.tokenize(stream, state); - } - }; -}); - -CodeMirror.defineMIME('text/x-ocaml', 'ocaml'); - - diff --git a/interp/tracer/demo_trace.js b/interp/tracer/demo_trace.js deleted file mode 100644 index a7b5be5d..00000000 --- a/interp/tracer/demo_trace.js +++ /dev/null @@ -1,16 +0,0 @@ - -var tracer_items = [ -{ type: 'enter_call', file: 'foo.ml', start_line: 4, start_col: 0, end_line: 5, end_col: 1 }, -{ type: 'exit_call', file: 'foo.ml', start_line: 5, start_col: 1, end_line: 5, end_col: 1 }, -{ type: 'enter_call', file: 'foo.ml', start_line: 5, start_col: 0, end_line: 5, end_col: 4 }, -{ type: 'enter_call', file: 'bar.ml', start_line: 0, start_col: 4, end_line: 0, end_col: 1 }, -{ type: 'exit_call', file: 'bar.ml', start_line: 0, start_col: 5, end_line: 0, end_col: 1 }, -{ type: 'exit_call', file: 'foo.ml', start_line: 5, start_col: 1, end_line: 5, end_col: 4 }, -]; - -var tracer_files = { - 'foo.ml': - "fdsqfdsfsq\nfdsqfdf (* #sec-4.3.6 *) sfddsfsq\nfdsqfdsfdsfdsfsq\nfdsqfdfqdsfdsfsq\nfdfqdfqs\nfdsqfdsfdsfdsfsq\nfdsqfdfqdsfdsfsq\nfdfdsqfdsfdsfdsfsq\nfdsqfdfqdsfdsfsq\n", - 'bar.ml': - "ffdffdfsffdsqfdsfds\n", -} diff --git a/interp/tracer/generate.ml b/interp/tracer/generate.ml deleted file mode 100644 index a2a088ce..00000000 --- a/interp/tracer/generate.ml +++ /dev/null @@ -1,46 +0,0 @@ - -let write_file filename strl = - let oc = open_out filename in - let () = List.iter (output_string oc) strl in - close_out oc - - -let load_file f = - let ic = try open_in f with _ -> failwith ("Error while reading file “" ^ f ^ "”.") in - let n = in_channel_length ic in - let s = String.create n in - really_input ic s 0 n ; - close_in ic ; - s - -let fileList = (* Every argument from the third to all the other ones. *) - let rec aux i = - if i >= Array.length Sys.argv then [] - else Sys.argv.(i) :: aux (i + 1) - in aux 3 - - -let _ = - let fileTrace = Sys.argv.(1) in - let fileOut = Sys.argv.(2) in - write_file fileOut ( - "var tracer_items = [\n" :: - load_file fileTrace :: - "];\n\nvar tracer_files = {\n" :: - List.(concat (map (fun f -> - let rep s1 s2 s3 = - Str.(global_replace (regexp (quote s1)) s2 s3) - in let esc s = - fold_left (fun s (s1, s2) -> - rep s1 s2 s) s - ["\"", "\\\""; - "\r", ""; - "\n", "\\n"; - "\\", "\\\\"] - in "\t\"" :: esc f :: "\": \"" :: - esc (load_file f) - :: "\",\n" :: [] - ) fileList)) @ - "}\n" :: [] - ) - diff --git a/interp/tracer/jquery-2.1.1.min.js b/interp/tracer/jquery-2.1.1.min.js deleted file mode 100644 index e5ace116..00000000 --- a/interp/tracer/jquery-2.1.1.min.js +++ /dev/null @@ -1,4 +0,0 @@ -/*! jQuery v2.1.1 | (c) 2005, 2014 jQuery Foundation, Inc. | jquery.org/license */ -!function(a,b){"object"==typeof module&&"object"==typeof module.exports?module.exports=a.document?b(a,!0):function(a){if(!a.document)throw new Error("jQuery requires a window with a document");return b(a)}:b(a)}("undefined"!=typeof window?window:this,function(a,b){var c=[],d=c.slice,e=c.concat,f=c.push,g=c.indexOf,h={},i=h.toString,j=h.hasOwnProperty,k={},l=a.document,m="2.1.1",n=function(a,b){return new n.fn.init(a,b)},o=/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,p=/^-ms-/,q=/-([\da-z])/gi,r=function(a,b){return b.toUpperCase()};n.fn=n.prototype={jquery:m,constructor:n,selector:"",length:0,toArray:function(){return d.call(this)},get:function(a){return null!=a?0>a?this[a+this.length]:this[a]:d.call(this)},pushStack:function(a){var b=n.merge(this.constructor(),a);return b.prevObject=this,b.context=this.context,b},each:function(a,b){return n.each(this,a,b)},map:function(a){return this.pushStack(n.map(this,function(b,c){return a.call(b,c,b)}))},slice:function(){return this.pushStack(d.apply(this,arguments))},first:function(){return this.eq(0)},last:function(){return this.eq(-1)},eq:function(a){var b=this.length,c=+a+(0>a?b:0);return this.pushStack(c>=0&&b>c?[this[c]]:[])},end:function(){return this.prevObject||this.constructor(null)},push:f,sort:c.sort,splice:c.splice},n.extend=n.fn.extend=function(){var a,b,c,d,e,f,g=arguments[0]||{},h=1,i=arguments.length,j=!1;for("boolean"==typeof g&&(j=g,g=arguments[h]||{},h++),"object"==typeof g||n.isFunction(g)||(g={}),h===i&&(g=this,h--);i>h;h++)if(null!=(a=arguments[h]))for(b in a)c=g[b],d=a[b],g!==d&&(j&&d&&(n.isPlainObject(d)||(e=n.isArray(d)))?(e?(e=!1,f=c&&n.isArray(c)?c:[]):f=c&&n.isPlainObject(c)?c:{},g[b]=n.extend(j,f,d)):void 0!==d&&(g[b]=d));return g},n.extend({expando:"jQuery"+(m+Math.random()).replace(/\D/g,""),isReady:!0,error:function(a){throw new Error(a)},noop:function(){},isFunction:function(a){return"function"===n.type(a)},isArray:Array.isArray,isWindow:function(a){return null!=a&&a===a.window},isNumeric:function(a){return!n.isArray(a)&&a-parseFloat(a)>=0},isPlainObject:function(a){return"object"!==n.type(a)||a.nodeType||n.isWindow(a)?!1:a.constructor&&!j.call(a.constructor.prototype,"isPrototypeOf")?!1:!0},isEmptyObject:function(a){var b;for(b in a)return!1;return!0},type:function(a){return null==a?a+"":"object"==typeof a||"function"==typeof a?h[i.call(a)]||"object":typeof a},globalEval:function(a){var b,c=eval;a=n.trim(a),a&&(1===a.indexOf("use strict")?(b=l.createElement("script"),b.text=a,l.head.appendChild(b).parentNode.removeChild(b)):c(a))},camelCase:function(a){return a.replace(p,"ms-").replace(q,r)},nodeName:function(a,b){return a.nodeName&&a.nodeName.toLowerCase()===b.toLowerCase()},each:function(a,b,c){var d,e=0,f=a.length,g=s(a);if(c){if(g){for(;f>e;e++)if(d=b.apply(a[e],c),d===!1)break}else for(e in a)if(d=b.apply(a[e],c),d===!1)break}else if(g){for(;f>e;e++)if(d=b.call(a[e],e,a[e]),d===!1)break}else for(e in a)if(d=b.call(a[e],e,a[e]),d===!1)break;return a},trim:function(a){return null==a?"":(a+"").replace(o,"")},makeArray:function(a,b){var c=b||[];return null!=a&&(s(Object(a))?n.merge(c,"string"==typeof a?[a]:a):f.call(c,a)),c},inArray:function(a,b,c){return null==b?-1:g.call(b,a,c)},merge:function(a,b){for(var c=+b.length,d=0,e=a.length;c>d;d++)a[e++]=b[d];return a.length=e,a},grep:function(a,b,c){for(var d,e=[],f=0,g=a.length,h=!c;g>f;f++)d=!b(a[f],f),d!==h&&e.push(a[f]);return e},map:function(a,b,c){var d,f=0,g=a.length,h=s(a),i=[];if(h)for(;g>f;f++)d=b(a[f],f,c),null!=d&&i.push(d);else for(f in a)d=b(a[f],f,c),null!=d&&i.push(d);return e.apply([],i)},guid:1,proxy:function(a,b){var c,e,f;return"string"==typeof b&&(c=a[b],b=a,a=c),n.isFunction(a)?(e=d.call(arguments,2),f=function(){return a.apply(b||this,e.concat(d.call(arguments)))},f.guid=a.guid=a.guid||n.guid++,f):void 0},now:Date.now,support:k}),n.each("Boolean Number String Function Array Date RegExp Object Error".split(" "),function(a,b){h["[object "+b+"]"]=b.toLowerCase()});function s(a){var b=a.length,c=n.type(a);return"function"===c||n.isWindow(a)?!1:1===a.nodeType&&b?!0:"array"===c||0===b||"number"==typeof b&&b>0&&b-1 in a}var t=function(a){var b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u="sizzle"+-new Date,v=a.document,w=0,x=0,y=gb(),z=gb(),A=gb(),B=function(a,b){return a===b&&(l=!0),0},C="undefined",D=1<<31,E={}.hasOwnProperty,F=[],G=F.pop,H=F.push,I=F.push,J=F.slice,K=F.indexOf||function(a){for(var b=0,c=this.length;c>b;b++)if(this[b]===a)return b;return-1},L="checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",M="[\\x20\\t\\r\\n\\f]",N="(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",O=N.replace("w","w#"),P="\\["+M+"*("+N+")(?:"+M+"*([*^$|!~]?=)"+M+"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|("+O+"))|)"+M+"*\\]",Q=":("+N+")(?:\\((('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|((?:\\\\.|[^\\\\()[\\]]|"+P+")*)|.*)\\)|)",R=new RegExp("^"+M+"+|((?:^|[^\\\\])(?:\\\\.)*)"+M+"+$","g"),S=new RegExp("^"+M+"*,"+M+"*"),T=new RegExp("^"+M+"*([>+~]|"+M+")"+M+"*"),U=new RegExp("="+M+"*([^\\]'\"]*?)"+M+"*\\]","g"),V=new RegExp(Q),W=new RegExp("^"+O+"$"),X={ID:new RegExp("^#("+N+")"),CLASS:new RegExp("^\\.("+N+")"),TAG:new RegExp("^("+N.replace("w","w*")+")"),ATTR:new RegExp("^"+P),PSEUDO:new RegExp("^"+Q),CHILD:new RegExp("^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\("+M+"*(even|odd|(([+-]|)(\\d*)n|)"+M+"*(?:([+-]|)"+M+"*(\\d+)|))"+M+"*\\)|)","i"),bool:new RegExp("^(?:"+L+")$","i"),needsContext:new RegExp("^"+M+"*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\("+M+"*((?:-\\d)?\\d*)"+M+"*\\)|)(?=[^-]|$)","i")},Y=/^(?:input|select|textarea|button)$/i,Z=/^h\d$/i,$=/^[^{]+\{\s*\[native \w/,_=/^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,ab=/[+~]/,bb=/'|\\/g,cb=new RegExp("\\\\([\\da-f]{1,6}"+M+"?|("+M+")|.)","ig"),db=function(a,b,c){var d="0x"+b-65536;return d!==d||c?b:0>d?String.fromCharCode(d+65536):String.fromCharCode(d>>10|55296,1023&d|56320)};try{I.apply(F=J.call(v.childNodes),v.childNodes),F[v.childNodes.length].nodeType}catch(eb){I={apply:F.length?function(a,b){H.apply(a,J.call(b))}:function(a,b){var c=a.length,d=0;while(a[c++]=b[d++]);a.length=c-1}}}function fb(a,b,d,e){var f,h,j,k,l,o,r,s,w,x;if((b?b.ownerDocument||b:v)!==n&&m(b),b=b||n,d=d||[],!a||"string"!=typeof a)return d;if(1!==(k=b.nodeType)&&9!==k)return[];if(p&&!e){if(f=_.exec(a))if(j=f[1]){if(9===k){if(h=b.getElementById(j),!h||!h.parentNode)return d;if(h.id===j)return d.push(h),d}else if(b.ownerDocument&&(h=b.ownerDocument.getElementById(j))&&t(b,h)&&h.id===j)return d.push(h),d}else{if(f[2])return I.apply(d,b.getElementsByTagName(a)),d;if((j=f[3])&&c.getElementsByClassName&&b.getElementsByClassName)return I.apply(d,b.getElementsByClassName(j)),d}if(c.qsa&&(!q||!q.test(a))){if(s=r=u,w=b,x=9===k&&a,1===k&&"object"!==b.nodeName.toLowerCase()){o=g(a),(r=b.getAttribute("id"))?s=r.replace(bb,"\\$&"):b.setAttribute("id",s),s="[id='"+s+"'] ",l=o.length;while(l--)o[l]=s+qb(o[l]);w=ab.test(a)&&ob(b.parentNode)||b,x=o.join(",")}if(x)try{return I.apply(d,w.querySelectorAll(x)),d}catch(y){}finally{r||b.removeAttribute("id")}}}return i(a.replace(R,"$1"),b,d,e)}function gb(){var a=[];function b(c,e){return a.push(c+" ")>d.cacheLength&&delete b[a.shift()],b[c+" "]=e}return b}function hb(a){return a[u]=!0,a}function ib(a){var b=n.createElement("div");try{return!!a(b)}catch(c){return!1}finally{b.parentNode&&b.parentNode.removeChild(b),b=null}}function jb(a,b){var c=a.split("|"),e=a.length;while(e--)d.attrHandle[c[e]]=b}function kb(a,b){var c=b&&a,d=c&&1===a.nodeType&&1===b.nodeType&&(~b.sourceIndex||D)-(~a.sourceIndex||D);if(d)return d;if(c)while(c=c.nextSibling)if(c===b)return-1;return a?1:-1}function lb(a){return function(b){var c=b.nodeName.toLowerCase();return"input"===c&&b.type===a}}function mb(a){return function(b){var c=b.nodeName.toLowerCase();return("input"===c||"button"===c)&&b.type===a}}function nb(a){return hb(function(b){return b=+b,hb(function(c,d){var e,f=a([],c.length,b),g=f.length;while(g--)c[e=f[g]]&&(c[e]=!(d[e]=c[e]))})})}function ob(a){return a&&typeof a.getElementsByTagName!==C&&a}c=fb.support={},f=fb.isXML=function(a){var b=a&&(a.ownerDocument||a).documentElement;return b?"HTML"!==b.nodeName:!1},m=fb.setDocument=function(a){var b,e=a?a.ownerDocument||a:v,g=e.defaultView;return e!==n&&9===e.nodeType&&e.documentElement?(n=e,o=e.documentElement,p=!f(e),g&&g!==g.top&&(g.addEventListener?g.addEventListener("unload",function(){m()},!1):g.attachEvent&&g.attachEvent("onunload",function(){m()})),c.attributes=ib(function(a){return a.className="i",!a.getAttribute("className")}),c.getElementsByTagName=ib(function(a){return a.appendChild(e.createComment("")),!a.getElementsByTagName("*").length}),c.getElementsByClassName=$.test(e.getElementsByClassName)&&ib(function(a){return a.innerHTML="
",a.firstChild.className="i",2===a.getElementsByClassName("i").length}),c.getById=ib(function(a){return o.appendChild(a).id=u,!e.getElementsByName||!e.getElementsByName(u).length}),c.getById?(d.find.ID=function(a,b){if(typeof b.getElementById!==C&&p){var c=b.getElementById(a);return c&&c.parentNode?[c]:[]}},d.filter.ID=function(a){var b=a.replace(cb,db);return function(a){return a.getAttribute("id")===b}}):(delete d.find.ID,d.filter.ID=function(a){var b=a.replace(cb,db);return function(a){var c=typeof a.getAttributeNode!==C&&a.getAttributeNode("id");return c&&c.value===b}}),d.find.TAG=c.getElementsByTagName?function(a,b){return typeof b.getElementsByTagName!==C?b.getElementsByTagName(a):void 0}:function(a,b){var c,d=[],e=0,f=b.getElementsByTagName(a);if("*"===a){while(c=f[e++])1===c.nodeType&&d.push(c);return d}return f},d.find.CLASS=c.getElementsByClassName&&function(a,b){return typeof b.getElementsByClassName!==C&&p?b.getElementsByClassName(a):void 0},r=[],q=[],(c.qsa=$.test(e.querySelectorAll))&&(ib(function(a){a.innerHTML="",a.querySelectorAll("[msallowclip^='']").length&&q.push("[*^$]="+M+"*(?:''|\"\")"),a.querySelectorAll("[selected]").length||q.push("\\["+M+"*(?:value|"+L+")"),a.querySelectorAll(":checked").length||q.push(":checked")}),ib(function(a){var b=e.createElement("input");b.setAttribute("type","hidden"),a.appendChild(b).setAttribute("name","D"),a.querySelectorAll("[name=d]").length&&q.push("name"+M+"*[*^$|!~]?="),a.querySelectorAll(":enabled").length||q.push(":enabled",":disabled"),a.querySelectorAll("*,:x"),q.push(",.*:")})),(c.matchesSelector=$.test(s=o.matches||o.webkitMatchesSelector||o.mozMatchesSelector||o.oMatchesSelector||o.msMatchesSelector))&&ib(function(a){c.disconnectedMatch=s.call(a,"div"),s.call(a,"[s!='']:x"),r.push("!=",Q)}),q=q.length&&new RegExp(q.join("|")),r=r.length&&new RegExp(r.join("|")),b=$.test(o.compareDocumentPosition),t=b||$.test(o.contains)?function(a,b){var c=9===a.nodeType?a.documentElement:a,d=b&&b.parentNode;return a===d||!(!d||1!==d.nodeType||!(c.contains?c.contains(d):a.compareDocumentPosition&&16&a.compareDocumentPosition(d)))}:function(a,b){if(b)while(b=b.parentNode)if(b===a)return!0;return!1},B=b?function(a,b){if(a===b)return l=!0,0;var d=!a.compareDocumentPosition-!b.compareDocumentPosition;return d?d:(d=(a.ownerDocument||a)===(b.ownerDocument||b)?a.compareDocumentPosition(b):1,1&d||!c.sortDetached&&b.compareDocumentPosition(a)===d?a===e||a.ownerDocument===v&&t(v,a)?-1:b===e||b.ownerDocument===v&&t(v,b)?1:k?K.call(k,a)-K.call(k,b):0:4&d?-1:1)}:function(a,b){if(a===b)return l=!0,0;var c,d=0,f=a.parentNode,g=b.parentNode,h=[a],i=[b];if(!f||!g)return a===e?-1:b===e?1:f?-1:g?1:k?K.call(k,a)-K.call(k,b):0;if(f===g)return kb(a,b);c=a;while(c=c.parentNode)h.unshift(c);c=b;while(c=c.parentNode)i.unshift(c);while(h[d]===i[d])d++;return d?kb(h[d],i[d]):h[d]===v?-1:i[d]===v?1:0},e):n},fb.matches=function(a,b){return fb(a,null,null,b)},fb.matchesSelector=function(a,b){if((a.ownerDocument||a)!==n&&m(a),b=b.replace(U,"='$1']"),!(!c.matchesSelector||!p||r&&r.test(b)||q&&q.test(b)))try{var d=s.call(a,b);if(d||c.disconnectedMatch||a.document&&11!==a.document.nodeType)return d}catch(e){}return fb(b,n,null,[a]).length>0},fb.contains=function(a,b){return(a.ownerDocument||a)!==n&&m(a),t(a,b)},fb.attr=function(a,b){(a.ownerDocument||a)!==n&&m(a);var e=d.attrHandle[b.toLowerCase()],f=e&&E.call(d.attrHandle,b.toLowerCase())?e(a,b,!p):void 0;return void 0!==f?f:c.attributes||!p?a.getAttribute(b):(f=a.getAttributeNode(b))&&f.specified?f.value:null},fb.error=function(a){throw new Error("Syntax error, unrecognized expression: "+a)},fb.uniqueSort=function(a){var b,d=[],e=0,f=0;if(l=!c.detectDuplicates,k=!c.sortStable&&a.slice(0),a.sort(B),l){while(b=a[f++])b===a[f]&&(e=d.push(f));while(e--)a.splice(d[e],1)}return k=null,a},e=fb.getText=function(a){var b,c="",d=0,f=a.nodeType;if(f){if(1===f||9===f||11===f){if("string"==typeof a.textContent)return a.textContent;for(a=a.firstChild;a;a=a.nextSibling)c+=e(a)}else if(3===f||4===f)return a.nodeValue}else while(b=a[d++])c+=e(b);return c},d=fb.selectors={cacheLength:50,createPseudo:hb,match:X,attrHandle:{},find:{},relative:{">":{dir:"parentNode",first:!0}," ":{dir:"parentNode"},"+":{dir:"previousSibling",first:!0},"~":{dir:"previousSibling"}},preFilter:{ATTR:function(a){return a[1]=a[1].replace(cb,db),a[3]=(a[3]||a[4]||a[5]||"").replace(cb,db),"~="===a[2]&&(a[3]=" "+a[3]+" "),a.slice(0,4)},CHILD:function(a){return a[1]=a[1].toLowerCase(),"nth"===a[1].slice(0,3)?(a[3]||fb.error(a[0]),a[4]=+(a[4]?a[5]+(a[6]||1):2*("even"===a[3]||"odd"===a[3])),a[5]=+(a[7]+a[8]||"odd"===a[3])):a[3]&&fb.error(a[0]),a},PSEUDO:function(a){var b,c=!a[6]&&a[2];return X.CHILD.test(a[0])?null:(a[3]?a[2]=a[4]||a[5]||"":c&&V.test(c)&&(b=g(c,!0))&&(b=c.indexOf(")",c.length-b)-c.length)&&(a[0]=a[0].slice(0,b),a[2]=c.slice(0,b)),a.slice(0,3))}},filter:{TAG:function(a){var b=a.replace(cb,db).toLowerCase();return"*"===a?function(){return!0}:function(a){return a.nodeName&&a.nodeName.toLowerCase()===b}},CLASS:function(a){var b=y[a+" "];return b||(b=new RegExp("(^|"+M+")"+a+"("+M+"|$)"))&&y(a,function(a){return b.test("string"==typeof a.className&&a.className||typeof a.getAttribute!==C&&a.getAttribute("class")||"")})},ATTR:function(a,b,c){return function(d){var e=fb.attr(d,a);return null==e?"!="===b:b?(e+="","="===b?e===c:"!="===b?e!==c:"^="===b?c&&0===e.indexOf(c):"*="===b?c&&e.indexOf(c)>-1:"$="===b?c&&e.slice(-c.length)===c:"~="===b?(" "+e+" ").indexOf(c)>-1:"|="===b?e===c||e.slice(0,c.length+1)===c+"-":!1):!0}},CHILD:function(a,b,c,d,e){var f="nth"!==a.slice(0,3),g="last"!==a.slice(-4),h="of-type"===b;return 1===d&&0===e?function(a){return!!a.parentNode}:function(b,c,i){var j,k,l,m,n,o,p=f!==g?"nextSibling":"previousSibling",q=b.parentNode,r=h&&b.nodeName.toLowerCase(),s=!i&&!h;if(q){if(f){while(p){l=b;while(l=l[p])if(h?l.nodeName.toLowerCase()===r:1===l.nodeType)return!1;o=p="only"===a&&!o&&"nextSibling"}return!0}if(o=[g?q.firstChild:q.lastChild],g&&s){k=q[u]||(q[u]={}),j=k[a]||[],n=j[0]===w&&j[1],m=j[0]===w&&j[2],l=n&&q.childNodes[n];while(l=++n&&l&&l[p]||(m=n=0)||o.pop())if(1===l.nodeType&&++m&&l===b){k[a]=[w,n,m];break}}else if(s&&(j=(b[u]||(b[u]={}))[a])&&j[0]===w)m=j[1];else while(l=++n&&l&&l[p]||(m=n=0)||o.pop())if((h?l.nodeName.toLowerCase()===r:1===l.nodeType)&&++m&&(s&&((l[u]||(l[u]={}))[a]=[w,m]),l===b))break;return m-=e,m===d||m%d===0&&m/d>=0}}},PSEUDO:function(a,b){var c,e=d.pseudos[a]||d.setFilters[a.toLowerCase()]||fb.error("unsupported pseudo: "+a);return e[u]?e(b):e.length>1?(c=[a,a,"",b],d.setFilters.hasOwnProperty(a.toLowerCase())?hb(function(a,c){var d,f=e(a,b),g=f.length;while(g--)d=K.call(a,f[g]),a[d]=!(c[d]=f[g])}):function(a){return e(a,0,c)}):e}},pseudos:{not:hb(function(a){var b=[],c=[],d=h(a.replace(R,"$1"));return d[u]?hb(function(a,b,c,e){var f,g=d(a,null,e,[]),h=a.length;while(h--)(f=g[h])&&(a[h]=!(b[h]=f))}):function(a,e,f){return b[0]=a,d(b,null,f,c),!c.pop()}}),has:hb(function(a){return function(b){return fb(a,b).length>0}}),contains:hb(function(a){return function(b){return(b.textContent||b.innerText||e(b)).indexOf(a)>-1}}),lang:hb(function(a){return W.test(a||"")||fb.error("unsupported lang: "+a),a=a.replace(cb,db).toLowerCase(),function(b){var c;do if(c=p?b.lang:b.getAttribute("xml:lang")||b.getAttribute("lang"))return c=c.toLowerCase(),c===a||0===c.indexOf(a+"-");while((b=b.parentNode)&&1===b.nodeType);return!1}}),target:function(b){var c=a.location&&a.location.hash;return c&&c.slice(1)===b.id},root:function(a){return a===o},focus:function(a){return a===n.activeElement&&(!n.hasFocus||n.hasFocus())&&!!(a.type||a.href||~a.tabIndex)},enabled:function(a){return a.disabled===!1},disabled:function(a){return a.disabled===!0},checked:function(a){var b=a.nodeName.toLowerCase();return"input"===b&&!!a.checked||"option"===b&&!!a.selected},selected:function(a){return a.parentNode&&a.parentNode.selectedIndex,a.selected===!0},empty:function(a){for(a=a.firstChild;a;a=a.nextSibling)if(a.nodeType<6)return!1;return!0},parent:function(a){return!d.pseudos.empty(a)},header:function(a){return Z.test(a.nodeName)},input:function(a){return Y.test(a.nodeName)},button:function(a){var b=a.nodeName.toLowerCase();return"input"===b&&"button"===a.type||"button"===b},text:function(a){var b;return"input"===a.nodeName.toLowerCase()&&"text"===a.type&&(null==(b=a.getAttribute("type"))||"text"===b.toLowerCase())},first:nb(function(){return[0]}),last:nb(function(a,b){return[b-1]}),eq:nb(function(a,b,c){return[0>c?c+b:c]}),even:nb(function(a,b){for(var c=0;b>c;c+=2)a.push(c);return a}),odd:nb(function(a,b){for(var c=1;b>c;c+=2)a.push(c);return a}),lt:nb(function(a,b,c){for(var d=0>c?c+b:c;--d>=0;)a.push(d);return a}),gt:nb(function(a,b,c){for(var d=0>c?c+b:c;++db;b++)d+=a[b].value;return d}function rb(a,b,c){var d=b.dir,e=c&&"parentNode"===d,f=x++;return b.first?function(b,c,f){while(b=b[d])if(1===b.nodeType||e)return a(b,c,f)}:function(b,c,g){var h,i,j=[w,f];if(g){while(b=b[d])if((1===b.nodeType||e)&&a(b,c,g))return!0}else while(b=b[d])if(1===b.nodeType||e){if(i=b[u]||(b[u]={}),(h=i[d])&&h[0]===w&&h[1]===f)return j[2]=h[2];if(i[d]=j,j[2]=a(b,c,g))return!0}}}function sb(a){return a.length>1?function(b,c,d){var e=a.length;while(e--)if(!a[e](b,c,d))return!1;return!0}:a[0]}function tb(a,b,c){for(var d=0,e=b.length;e>d;d++)fb(a,b[d],c);return c}function ub(a,b,c,d,e){for(var f,g=[],h=0,i=a.length,j=null!=b;i>h;h++)(f=a[h])&&(!c||c(f,d,e))&&(g.push(f),j&&b.push(h));return g}function vb(a,b,c,d,e,f){return d&&!d[u]&&(d=vb(d)),e&&!e[u]&&(e=vb(e,f)),hb(function(f,g,h,i){var j,k,l,m=[],n=[],o=g.length,p=f||tb(b||"*",h.nodeType?[h]:h,[]),q=!a||!f&&b?p:ub(p,m,a,h,i),r=c?e||(f?a:o||d)?[]:g:q;if(c&&c(q,r,h,i),d){j=ub(r,n),d(j,[],h,i),k=j.length;while(k--)(l=j[k])&&(r[n[k]]=!(q[n[k]]=l))}if(f){if(e||a){if(e){j=[],k=r.length;while(k--)(l=r[k])&&j.push(q[k]=l);e(null,r=[],j,i)}k=r.length;while(k--)(l=r[k])&&(j=e?K.call(f,l):m[k])>-1&&(f[j]=!(g[j]=l))}}else r=ub(r===g?r.splice(o,r.length):r),e?e(null,g,r,i):I.apply(g,r)})}function wb(a){for(var b,c,e,f=a.length,g=d.relative[a[0].type],h=g||d.relative[" "],i=g?1:0,k=rb(function(a){return a===b},h,!0),l=rb(function(a){return K.call(b,a)>-1},h,!0),m=[function(a,c,d){return!g&&(d||c!==j)||((b=c).nodeType?k(a,c,d):l(a,c,d))}];f>i;i++)if(c=d.relative[a[i].type])m=[rb(sb(m),c)];else{if(c=d.filter[a[i].type].apply(null,a[i].matches),c[u]){for(e=++i;f>e;e++)if(d.relative[a[e].type])break;return vb(i>1&&sb(m),i>1&&qb(a.slice(0,i-1).concat({value:" "===a[i-2].type?"*":""})).replace(R,"$1"),c,e>i&&wb(a.slice(i,e)),f>e&&wb(a=a.slice(e)),f>e&&qb(a))}m.push(c)}return sb(m)}function xb(a,b){var c=b.length>0,e=a.length>0,f=function(f,g,h,i,k){var l,m,o,p=0,q="0",r=f&&[],s=[],t=j,u=f||e&&d.find.TAG("*",k),v=w+=null==t?1:Math.random()||.1,x=u.length;for(k&&(j=g!==n&&g);q!==x&&null!=(l=u[q]);q++){if(e&&l){m=0;while(o=a[m++])if(o(l,g,h)){i.push(l);break}k&&(w=v)}c&&((l=!o&&l)&&p--,f&&r.push(l))}if(p+=q,c&&q!==p){m=0;while(o=b[m++])o(r,s,g,h);if(f){if(p>0)while(q--)r[q]||s[q]||(s[q]=G.call(i));s=ub(s)}I.apply(i,s),k&&!f&&s.length>0&&p+b.length>1&&fb.uniqueSort(i)}return k&&(w=v,j=t),r};return c?hb(f):f}return h=fb.compile=function(a,b){var c,d=[],e=[],f=A[a+" "];if(!f){b||(b=g(a)),c=b.length;while(c--)f=wb(b[c]),f[u]?d.push(f):e.push(f);f=A(a,xb(e,d)),f.selector=a}return f},i=fb.select=function(a,b,e,f){var i,j,k,l,m,n="function"==typeof a&&a,o=!f&&g(a=n.selector||a);if(e=e||[],1===o.length){if(j=o[0]=o[0].slice(0),j.length>2&&"ID"===(k=j[0]).type&&c.getById&&9===b.nodeType&&p&&d.relative[j[1].type]){if(b=(d.find.ID(k.matches[0].replace(cb,db),b)||[])[0],!b)return e;n&&(b=b.parentNode),a=a.slice(j.shift().value.length)}i=X.needsContext.test(a)?0:j.length;while(i--){if(k=j[i],d.relative[l=k.type])break;if((m=d.find[l])&&(f=m(k.matches[0].replace(cb,db),ab.test(j[0].type)&&ob(b.parentNode)||b))){if(j.splice(i,1),a=f.length&&qb(j),!a)return I.apply(e,f),e;break}}}return(n||h(a,o))(f,b,!p,e,ab.test(a)&&ob(b.parentNode)||b),e},c.sortStable=u.split("").sort(B).join("")===u,c.detectDuplicates=!!l,m(),c.sortDetached=ib(function(a){return 1&a.compareDocumentPosition(n.createElement("div"))}),ib(function(a){return a.innerHTML="","#"===a.firstChild.getAttribute("href")})||jb("type|href|height|width",function(a,b,c){return c?void 0:a.getAttribute(b,"type"===b.toLowerCase()?1:2)}),c.attributes&&ib(function(a){return a.innerHTML="",a.firstChild.setAttribute("value",""),""===a.firstChild.getAttribute("value")})||jb("value",function(a,b,c){return c||"input"!==a.nodeName.toLowerCase()?void 0:a.defaultValue}),ib(function(a){return null==a.getAttribute("disabled")})||jb(L,function(a,b,c){var d;return c?void 0:a[b]===!0?b.toLowerCase():(d=a.getAttributeNode(b))&&d.specified?d.value:null}),fb}(a);n.find=t,n.expr=t.selectors,n.expr[":"]=n.expr.pseudos,n.unique=t.uniqueSort,n.text=t.getText,n.isXMLDoc=t.isXML,n.contains=t.contains;var u=n.expr.match.needsContext,v=/^<(\w+)\s*\/?>(?:<\/\1>|)$/,w=/^.[^:#\[\.,]*$/;function x(a,b,c){if(n.isFunction(b))return n.grep(a,function(a,d){return!!b.call(a,d,a)!==c});if(b.nodeType)return n.grep(a,function(a){return a===b!==c});if("string"==typeof b){if(w.test(b))return n.filter(b,a,c);b=n.filter(b,a)}return n.grep(a,function(a){return g.call(b,a)>=0!==c})}n.filter=function(a,b,c){var d=b[0];return c&&(a=":not("+a+")"),1===b.length&&1===d.nodeType?n.find.matchesSelector(d,a)?[d]:[]:n.find.matches(a,n.grep(b,function(a){return 1===a.nodeType}))},n.fn.extend({find:function(a){var b,c=this.length,d=[],e=this;if("string"!=typeof a)return this.pushStack(n(a).filter(function(){for(b=0;c>b;b++)if(n.contains(e[b],this))return!0}));for(b=0;c>b;b++)n.find(a,e[b],d);return d=this.pushStack(c>1?n.unique(d):d),d.selector=this.selector?this.selector+" "+a:a,d},filter:function(a){return this.pushStack(x(this,a||[],!1))},not:function(a){return this.pushStack(x(this,a||[],!0))},is:function(a){return!!x(this,"string"==typeof a&&u.test(a)?n(a):a||[],!1).length}});var y,z=/^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,A=n.fn.init=function(a,b){var c,d;if(!a)return this;if("string"==typeof a){if(c="<"===a[0]&&">"===a[a.length-1]&&a.length>=3?[null,a,null]:z.exec(a),!c||!c[1]&&b)return!b||b.jquery?(b||y).find(a):this.constructor(b).find(a);if(c[1]){if(b=b instanceof n?b[0]:b,n.merge(this,n.parseHTML(c[1],b&&b.nodeType?b.ownerDocument||b:l,!0)),v.test(c[1])&&n.isPlainObject(b))for(c in b)n.isFunction(this[c])?this[c](b[c]):this.attr(c,b[c]);return this}return d=l.getElementById(c[2]),d&&d.parentNode&&(this.length=1,this[0]=d),this.context=l,this.selector=a,this}return a.nodeType?(this.context=this[0]=a,this.length=1,this):n.isFunction(a)?"undefined"!=typeof y.ready?y.ready(a):a(n):(void 0!==a.selector&&(this.selector=a.selector,this.context=a.context),n.makeArray(a,this))};A.prototype=n.fn,y=n(l);var B=/^(?:parents|prev(?:Until|All))/,C={children:!0,contents:!0,next:!0,prev:!0};n.extend({dir:function(a,b,c){var d=[],e=void 0!==c;while((a=a[b])&&9!==a.nodeType)if(1===a.nodeType){if(e&&n(a).is(c))break;d.push(a)}return d},sibling:function(a,b){for(var c=[];a;a=a.nextSibling)1===a.nodeType&&a!==b&&c.push(a);return c}}),n.fn.extend({has:function(a){var b=n(a,this),c=b.length;return this.filter(function(){for(var a=0;c>a;a++)if(n.contains(this,b[a]))return!0})},closest:function(a,b){for(var c,d=0,e=this.length,f=[],g=u.test(a)||"string"!=typeof a?n(a,b||this.context):0;e>d;d++)for(c=this[d];c&&c!==b;c=c.parentNode)if(c.nodeType<11&&(g?g.index(c)>-1:1===c.nodeType&&n.find.matchesSelector(c,a))){f.push(c);break}return this.pushStack(f.length>1?n.unique(f):f)},index:function(a){return a?"string"==typeof a?g.call(n(a),this[0]):g.call(this,a.jquery?a[0]:a):this[0]&&this[0].parentNode?this.first().prevAll().length:-1},add:function(a,b){return this.pushStack(n.unique(n.merge(this.get(),n(a,b))))},addBack:function(a){return this.add(null==a?this.prevObject:this.prevObject.filter(a))}});function D(a,b){while((a=a[b])&&1!==a.nodeType);return a}n.each({parent:function(a){var b=a.parentNode;return b&&11!==b.nodeType?b:null},parents:function(a){return n.dir(a,"parentNode")},parentsUntil:function(a,b,c){return n.dir(a,"parentNode",c)},next:function(a){return D(a,"nextSibling")},prev:function(a){return D(a,"previousSibling")},nextAll:function(a){return n.dir(a,"nextSibling")},prevAll:function(a){return n.dir(a,"previousSibling")},nextUntil:function(a,b,c){return n.dir(a,"nextSibling",c)},prevUntil:function(a,b,c){return n.dir(a,"previousSibling",c)},siblings:function(a){return n.sibling((a.parentNode||{}).firstChild,a)},children:function(a){return n.sibling(a.firstChild)},contents:function(a){return a.contentDocument||n.merge([],a.childNodes)}},function(a,b){n.fn[a]=function(c,d){var e=n.map(this,b,c);return"Until"!==a.slice(-5)&&(d=c),d&&"string"==typeof d&&(e=n.filter(d,e)),this.length>1&&(C[a]||n.unique(e),B.test(a)&&e.reverse()),this.pushStack(e)}});var E=/\S+/g,F={};function G(a){var b=F[a]={};return n.each(a.match(E)||[],function(a,c){b[c]=!0}),b}n.Callbacks=function(a){a="string"==typeof a?F[a]||G(a):n.extend({},a);var b,c,d,e,f,g,h=[],i=!a.once&&[],j=function(l){for(b=a.memory&&l,c=!0,g=e||0,e=0,f=h.length,d=!0;h&&f>g;g++)if(h[g].apply(l[0],l[1])===!1&&a.stopOnFalse){b=!1;break}d=!1,h&&(i?i.length&&j(i.shift()):b?h=[]:k.disable())},k={add:function(){if(h){var c=h.length;!function g(b){n.each(b,function(b,c){var d=n.type(c);"function"===d?a.unique&&k.has(c)||h.push(c):c&&c.length&&"string"!==d&&g(c)})}(arguments),d?f=h.length:b&&(e=c,j(b))}return this},remove:function(){return h&&n.each(arguments,function(a,b){var c;while((c=n.inArray(b,h,c))>-1)h.splice(c,1),d&&(f>=c&&f--,g>=c&&g--)}),this},has:function(a){return a?n.inArray(a,h)>-1:!(!h||!h.length)},empty:function(){return h=[],f=0,this},disable:function(){return h=i=b=void 0,this},disabled:function(){return!h},lock:function(){return i=void 0,b||k.disable(),this},locked:function(){return!i},fireWith:function(a,b){return!h||c&&!i||(b=b||[],b=[a,b.slice?b.slice():b],d?i.push(b):j(b)),this},fire:function(){return k.fireWith(this,arguments),this},fired:function(){return!!c}};return k},n.extend({Deferred:function(a){var b=[["resolve","done",n.Callbacks("once memory"),"resolved"],["reject","fail",n.Callbacks("once memory"),"rejected"],["notify","progress",n.Callbacks("memory")]],c="pending",d={state:function(){return c},always:function(){return e.done(arguments).fail(arguments),this},then:function(){var a=arguments;return n.Deferred(function(c){n.each(b,function(b,f){var g=n.isFunction(a[b])&&a[b];e[f[1]](function(){var a=g&&g.apply(this,arguments);a&&n.isFunction(a.promise)?a.promise().done(c.resolve).fail(c.reject).progress(c.notify):c[f[0]+"With"](this===d?c.promise():this,g?[a]:arguments)})}),a=null}).promise()},promise:function(a){return null!=a?n.extend(a,d):d}},e={};return d.pipe=d.then,n.each(b,function(a,f){var g=f[2],h=f[3];d[f[1]]=g.add,h&&g.add(function(){c=h},b[1^a][2].disable,b[2][2].lock),e[f[0]]=function(){return e[f[0]+"With"](this===e?d:this,arguments),this},e[f[0]+"With"]=g.fireWith}),d.promise(e),a&&a.call(e,e),e},when:function(a){var b=0,c=d.call(arguments),e=c.length,f=1!==e||a&&n.isFunction(a.promise)?e:0,g=1===f?a:n.Deferred(),h=function(a,b,c){return function(e){b[a]=this,c[a]=arguments.length>1?d.call(arguments):e,c===i?g.notifyWith(b,c):--f||g.resolveWith(b,c)}},i,j,k;if(e>1)for(i=new Array(e),j=new Array(e),k=new Array(e);e>b;b++)c[b]&&n.isFunction(c[b].promise)?c[b].promise().done(h(b,k,c)).fail(g.reject).progress(h(b,j,i)):--f;return f||g.resolveWith(k,c),g.promise()}});var H;n.fn.ready=function(a){return n.ready.promise().done(a),this},n.extend({isReady:!1,readyWait:1,holdReady:function(a){a?n.readyWait++:n.ready(!0)},ready:function(a){(a===!0?--n.readyWait:n.isReady)||(n.isReady=!0,a!==!0&&--n.readyWait>0||(H.resolveWith(l,[n]),n.fn.triggerHandler&&(n(l).triggerHandler("ready"),n(l).off("ready"))))}});function I(){l.removeEventListener("DOMContentLoaded",I,!1),a.removeEventListener("load",I,!1),n.ready()}n.ready.promise=function(b){return H||(H=n.Deferred(),"complete"===l.readyState?setTimeout(n.ready):(l.addEventListener("DOMContentLoaded",I,!1),a.addEventListener("load",I,!1))),H.promise(b)},n.ready.promise();var J=n.access=function(a,b,c,d,e,f,g){var h=0,i=a.length,j=null==c;if("object"===n.type(c)){e=!0;for(h in c)n.access(a,b,h,c[h],!0,f,g)}else if(void 0!==d&&(e=!0,n.isFunction(d)||(g=!0),j&&(g?(b.call(a,d),b=null):(j=b,b=function(a,b,c){return j.call(n(a),c)})),b))for(;i>h;h++)b(a[h],c,g?d:d.call(a[h],h,b(a[h],c)));return e?a:j?b.call(a):i?b(a[0],c):f};n.acceptData=function(a){return 1===a.nodeType||9===a.nodeType||!+a.nodeType};function K(){Object.defineProperty(this.cache={},0,{get:function(){return{}}}),this.expando=n.expando+Math.random()}K.uid=1,K.accepts=n.acceptData,K.prototype={key:function(a){if(!K.accepts(a))return 0;var b={},c=a[this.expando];if(!c){c=K.uid++;try{b[this.expando]={value:c},Object.defineProperties(a,b)}catch(d){b[this.expando]=c,n.extend(a,b)}}return this.cache[c]||(this.cache[c]={}),c},set:function(a,b,c){var d,e=this.key(a),f=this.cache[e];if("string"==typeof b)f[b]=c;else if(n.isEmptyObject(f))n.extend(this.cache[e],b);else for(d in b)f[d]=b[d];return f},get:function(a,b){var c=this.cache[this.key(a)];return void 0===b?c:c[b]},access:function(a,b,c){var d;return void 0===b||b&&"string"==typeof b&&void 0===c?(d=this.get(a,b),void 0!==d?d:this.get(a,n.camelCase(b))):(this.set(a,b,c),void 0!==c?c:b)},remove:function(a,b){var c,d,e,f=this.key(a),g=this.cache[f];if(void 0===b)this.cache[f]={};else{n.isArray(b)?d=b.concat(b.map(n.camelCase)):(e=n.camelCase(b),b in g?d=[b,e]:(d=e,d=d in g?[d]:d.match(E)||[])),c=d.length;while(c--)delete g[d[c]]}},hasData:function(a){return!n.isEmptyObject(this.cache[a[this.expando]]||{})},discard:function(a){a[this.expando]&&delete this.cache[a[this.expando]]}};var L=new K,M=new K,N=/^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,O=/([A-Z])/g;function P(a,b,c){var d;if(void 0===c&&1===a.nodeType)if(d="data-"+b.replace(O,"-$1").toLowerCase(),c=a.getAttribute(d),"string"==typeof c){try{c="true"===c?!0:"false"===c?!1:"null"===c?null:+c+""===c?+c:N.test(c)?n.parseJSON(c):c}catch(e){}M.set(a,b,c)}else c=void 0;return c}n.extend({hasData:function(a){return M.hasData(a)||L.hasData(a)},data:function(a,b,c){return M.access(a,b,c)},removeData:function(a,b){M.remove(a,b) -},_data:function(a,b,c){return L.access(a,b,c)},_removeData:function(a,b){L.remove(a,b)}}),n.fn.extend({data:function(a,b){var c,d,e,f=this[0],g=f&&f.attributes;if(void 0===a){if(this.length&&(e=M.get(f),1===f.nodeType&&!L.get(f,"hasDataAttrs"))){c=g.length;while(c--)g[c]&&(d=g[c].name,0===d.indexOf("data-")&&(d=n.camelCase(d.slice(5)),P(f,d,e[d])));L.set(f,"hasDataAttrs",!0)}return e}return"object"==typeof a?this.each(function(){M.set(this,a)}):J(this,function(b){var c,d=n.camelCase(a);if(f&&void 0===b){if(c=M.get(f,a),void 0!==c)return c;if(c=M.get(f,d),void 0!==c)return c;if(c=P(f,d,void 0),void 0!==c)return c}else this.each(function(){var c=M.get(this,d);M.set(this,d,b),-1!==a.indexOf("-")&&void 0!==c&&M.set(this,a,b)})},null,b,arguments.length>1,null,!0)},removeData:function(a){return this.each(function(){M.remove(this,a)})}}),n.extend({queue:function(a,b,c){var d;return a?(b=(b||"fx")+"queue",d=L.get(a,b),c&&(!d||n.isArray(c)?d=L.access(a,b,n.makeArray(c)):d.push(c)),d||[]):void 0},dequeue:function(a,b){b=b||"fx";var c=n.queue(a,b),d=c.length,e=c.shift(),f=n._queueHooks(a,b),g=function(){n.dequeue(a,b)};"inprogress"===e&&(e=c.shift(),d--),e&&("fx"===b&&c.unshift("inprogress"),delete f.stop,e.call(a,g,f)),!d&&f&&f.empty.fire()},_queueHooks:function(a,b){var c=b+"queueHooks";return L.get(a,c)||L.access(a,c,{empty:n.Callbacks("once memory").add(function(){L.remove(a,[b+"queue",c])})})}}),n.fn.extend({queue:function(a,b){var c=2;return"string"!=typeof a&&(b=a,a="fx",c--),arguments.lengthx",k.noCloneChecked=!!b.cloneNode(!0).lastChild.defaultValue}();var U="undefined";k.focusinBubbles="onfocusin"in a;var V=/^key/,W=/^(?:mouse|pointer|contextmenu)|click/,X=/^(?:focusinfocus|focusoutblur)$/,Y=/^([^.]*)(?:\.(.+)|)$/;function Z(){return!0}function $(){return!1}function _(){try{return l.activeElement}catch(a){}}n.event={global:{},add:function(a,b,c,d,e){var f,g,h,i,j,k,l,m,o,p,q,r=L.get(a);if(r){c.handler&&(f=c,c=f.handler,e=f.selector),c.guid||(c.guid=n.guid++),(i=r.events)||(i=r.events={}),(g=r.handle)||(g=r.handle=function(b){return typeof n!==U&&n.event.triggered!==b.type?n.event.dispatch.apply(a,arguments):void 0}),b=(b||"").match(E)||[""],j=b.length;while(j--)h=Y.exec(b[j])||[],o=q=h[1],p=(h[2]||"").split(".").sort(),o&&(l=n.event.special[o]||{},o=(e?l.delegateType:l.bindType)||o,l=n.event.special[o]||{},k=n.extend({type:o,origType:q,data:d,handler:c,guid:c.guid,selector:e,needsContext:e&&n.expr.match.needsContext.test(e),namespace:p.join(".")},f),(m=i[o])||(m=i[o]=[],m.delegateCount=0,l.setup&&l.setup.call(a,d,p,g)!==!1||a.addEventListener&&a.addEventListener(o,g,!1)),l.add&&(l.add.call(a,k),k.handler.guid||(k.handler.guid=c.guid)),e?m.splice(m.delegateCount++,0,k):m.push(k),n.event.global[o]=!0)}},remove:function(a,b,c,d,e){var f,g,h,i,j,k,l,m,o,p,q,r=L.hasData(a)&&L.get(a);if(r&&(i=r.events)){b=(b||"").match(E)||[""],j=b.length;while(j--)if(h=Y.exec(b[j])||[],o=q=h[1],p=(h[2]||"").split(".").sort(),o){l=n.event.special[o]||{},o=(d?l.delegateType:l.bindType)||o,m=i[o]||[],h=h[2]&&new RegExp("(^|\\.)"+p.join("\\.(?:.*\\.|)")+"(\\.|$)"),g=f=m.length;while(f--)k=m[f],!e&&q!==k.origType||c&&c.guid!==k.guid||h&&!h.test(k.namespace)||d&&d!==k.selector&&("**"!==d||!k.selector)||(m.splice(f,1),k.selector&&m.delegateCount--,l.remove&&l.remove.call(a,k));g&&!m.length&&(l.teardown&&l.teardown.call(a,p,r.handle)!==!1||n.removeEvent(a,o,r.handle),delete i[o])}else for(o in i)n.event.remove(a,o+b[j],c,d,!0);n.isEmptyObject(i)&&(delete r.handle,L.remove(a,"events"))}},trigger:function(b,c,d,e){var f,g,h,i,k,m,o,p=[d||l],q=j.call(b,"type")?b.type:b,r=j.call(b,"namespace")?b.namespace.split("."):[];if(g=h=d=d||l,3!==d.nodeType&&8!==d.nodeType&&!X.test(q+n.event.triggered)&&(q.indexOf(".")>=0&&(r=q.split("."),q=r.shift(),r.sort()),k=q.indexOf(":")<0&&"on"+q,b=b[n.expando]?b:new n.Event(q,"object"==typeof b&&b),b.isTrigger=e?2:3,b.namespace=r.join("."),b.namespace_re=b.namespace?new RegExp("(^|\\.)"+r.join("\\.(?:.*\\.|)")+"(\\.|$)"):null,b.result=void 0,b.target||(b.target=d),c=null==c?[b]:n.makeArray(c,[b]),o=n.event.special[q]||{},e||!o.trigger||o.trigger.apply(d,c)!==!1)){if(!e&&!o.noBubble&&!n.isWindow(d)){for(i=o.delegateType||q,X.test(i+q)||(g=g.parentNode);g;g=g.parentNode)p.push(g),h=g;h===(d.ownerDocument||l)&&p.push(h.defaultView||h.parentWindow||a)}f=0;while((g=p[f++])&&!b.isPropagationStopped())b.type=f>1?i:o.bindType||q,m=(L.get(g,"events")||{})[b.type]&&L.get(g,"handle"),m&&m.apply(g,c),m=k&&g[k],m&&m.apply&&n.acceptData(g)&&(b.result=m.apply(g,c),b.result===!1&&b.preventDefault());return b.type=q,e||b.isDefaultPrevented()||o._default&&o._default.apply(p.pop(),c)!==!1||!n.acceptData(d)||k&&n.isFunction(d[q])&&!n.isWindow(d)&&(h=d[k],h&&(d[k]=null),n.event.triggered=q,d[q](),n.event.triggered=void 0,h&&(d[k]=h)),b.result}},dispatch:function(a){a=n.event.fix(a);var b,c,e,f,g,h=[],i=d.call(arguments),j=(L.get(this,"events")||{})[a.type]||[],k=n.event.special[a.type]||{};if(i[0]=a,a.delegateTarget=this,!k.preDispatch||k.preDispatch.call(this,a)!==!1){h=n.event.handlers.call(this,a,j),b=0;while((f=h[b++])&&!a.isPropagationStopped()){a.currentTarget=f.elem,c=0;while((g=f.handlers[c++])&&!a.isImmediatePropagationStopped())(!a.namespace_re||a.namespace_re.test(g.namespace))&&(a.handleObj=g,a.data=g.data,e=((n.event.special[g.origType]||{}).handle||g.handler).apply(f.elem,i),void 0!==e&&(a.result=e)===!1&&(a.preventDefault(),a.stopPropagation()))}return k.postDispatch&&k.postDispatch.call(this,a),a.result}},handlers:function(a,b){var c,d,e,f,g=[],h=b.delegateCount,i=a.target;if(h&&i.nodeType&&(!a.button||"click"!==a.type))for(;i!==this;i=i.parentNode||this)if(i.disabled!==!0||"click"!==a.type){for(d=[],c=0;h>c;c++)f=b[c],e=f.selector+" ",void 0===d[e]&&(d[e]=f.needsContext?n(e,this).index(i)>=0:n.find(e,this,null,[i]).length),d[e]&&d.push(f);d.length&&g.push({elem:i,handlers:d})}return h]*)\/>/gi,bb=/<([\w:]+)/,cb=/<|&#?\w+;/,db=/<(?:script|style|link)/i,eb=/checked\s*(?:[^=]|=\s*.checked.)/i,fb=/^$|\/(?:java|ecma)script/i,gb=/^true\/(.*)/,hb=/^\s*\s*$/g,ib={option:[1,""],thead:[1,"","
"],col:[2,"","
"],tr:[2,"","
"],td:[3,"","
"],_default:[0,"",""]};ib.optgroup=ib.option,ib.tbody=ib.tfoot=ib.colgroup=ib.caption=ib.thead,ib.th=ib.td;function jb(a,b){return n.nodeName(a,"table")&&n.nodeName(11!==b.nodeType?b:b.firstChild,"tr")?a.getElementsByTagName("tbody")[0]||a.appendChild(a.ownerDocument.createElement("tbody")):a}function kb(a){return a.type=(null!==a.getAttribute("type"))+"/"+a.type,a}function lb(a){var b=gb.exec(a.type);return b?a.type=b[1]:a.removeAttribute("type"),a}function mb(a,b){for(var c=0,d=a.length;d>c;c++)L.set(a[c],"globalEval",!b||L.get(b[c],"globalEval"))}function nb(a,b){var c,d,e,f,g,h,i,j;if(1===b.nodeType){if(L.hasData(a)&&(f=L.access(a),g=L.set(b,f),j=f.events)){delete g.handle,g.events={};for(e in j)for(c=0,d=j[e].length;d>c;c++)n.event.add(b,e,j[e][c])}M.hasData(a)&&(h=M.access(a),i=n.extend({},h),M.set(b,i))}}function ob(a,b){var c=a.getElementsByTagName?a.getElementsByTagName(b||"*"):a.querySelectorAll?a.querySelectorAll(b||"*"):[];return void 0===b||b&&n.nodeName(a,b)?n.merge([a],c):c}function pb(a,b){var c=b.nodeName.toLowerCase();"input"===c&&T.test(a.type)?b.checked=a.checked:("input"===c||"textarea"===c)&&(b.defaultValue=a.defaultValue)}n.extend({clone:function(a,b,c){var d,e,f,g,h=a.cloneNode(!0),i=n.contains(a.ownerDocument,a);if(!(k.noCloneChecked||1!==a.nodeType&&11!==a.nodeType||n.isXMLDoc(a)))for(g=ob(h),f=ob(a),d=0,e=f.length;e>d;d++)pb(f[d],g[d]);if(b)if(c)for(f=f||ob(a),g=g||ob(h),d=0,e=f.length;e>d;d++)nb(f[d],g[d]);else nb(a,h);return g=ob(h,"script"),g.length>0&&mb(g,!i&&ob(a,"script")),h},buildFragment:function(a,b,c,d){for(var e,f,g,h,i,j,k=b.createDocumentFragment(),l=[],m=0,o=a.length;o>m;m++)if(e=a[m],e||0===e)if("object"===n.type(e))n.merge(l,e.nodeType?[e]:e);else if(cb.test(e)){f=f||k.appendChild(b.createElement("div")),g=(bb.exec(e)||["",""])[1].toLowerCase(),h=ib[g]||ib._default,f.innerHTML=h[1]+e.replace(ab,"<$1>")+h[2],j=h[0];while(j--)f=f.lastChild;n.merge(l,f.childNodes),f=k.firstChild,f.textContent=""}else l.push(b.createTextNode(e));k.textContent="",m=0;while(e=l[m++])if((!d||-1===n.inArray(e,d))&&(i=n.contains(e.ownerDocument,e),f=ob(k.appendChild(e),"script"),i&&mb(f),c)){j=0;while(e=f[j++])fb.test(e.type||"")&&c.push(e)}return k},cleanData:function(a){for(var b,c,d,e,f=n.event.special,g=0;void 0!==(c=a[g]);g++){if(n.acceptData(c)&&(e=c[L.expando],e&&(b=L.cache[e]))){if(b.events)for(d in b.events)f[d]?n.event.remove(c,d):n.removeEvent(c,d,b.handle);L.cache[e]&&delete L.cache[e]}delete M.cache[c[M.expando]]}}}),n.fn.extend({text:function(a){return J(this,function(a){return void 0===a?n.text(this):this.empty().each(function(){(1===this.nodeType||11===this.nodeType||9===this.nodeType)&&(this.textContent=a)})},null,a,arguments.length)},append:function(){return this.domManip(arguments,function(a){if(1===this.nodeType||11===this.nodeType||9===this.nodeType){var b=jb(this,a);b.appendChild(a)}})},prepend:function(){return this.domManip(arguments,function(a){if(1===this.nodeType||11===this.nodeType||9===this.nodeType){var b=jb(this,a);b.insertBefore(a,b.firstChild)}})},before:function(){return this.domManip(arguments,function(a){this.parentNode&&this.parentNode.insertBefore(a,this)})},after:function(){return this.domManip(arguments,function(a){this.parentNode&&this.parentNode.insertBefore(a,this.nextSibling)})},remove:function(a,b){for(var c,d=a?n.filter(a,this):this,e=0;null!=(c=d[e]);e++)b||1!==c.nodeType||n.cleanData(ob(c)),c.parentNode&&(b&&n.contains(c.ownerDocument,c)&&mb(ob(c,"script")),c.parentNode.removeChild(c));return this},empty:function(){for(var a,b=0;null!=(a=this[b]);b++)1===a.nodeType&&(n.cleanData(ob(a,!1)),a.textContent="");return this},clone:function(a,b){return a=null==a?!1:a,b=null==b?a:b,this.map(function(){return n.clone(this,a,b)})},html:function(a){return J(this,function(a){var b=this[0]||{},c=0,d=this.length;if(void 0===a&&1===b.nodeType)return b.innerHTML;if("string"==typeof a&&!db.test(a)&&!ib[(bb.exec(a)||["",""])[1].toLowerCase()]){a=a.replace(ab,"<$1>");try{for(;d>c;c++)b=this[c]||{},1===b.nodeType&&(n.cleanData(ob(b,!1)),b.innerHTML=a);b=0}catch(e){}}b&&this.empty().append(a)},null,a,arguments.length)},replaceWith:function(){var a=arguments[0];return this.domManip(arguments,function(b){a=this.parentNode,n.cleanData(ob(this)),a&&a.replaceChild(b,this)}),a&&(a.length||a.nodeType)?this:this.remove()},detach:function(a){return this.remove(a,!0)},domManip:function(a,b){a=e.apply([],a);var c,d,f,g,h,i,j=0,l=this.length,m=this,o=l-1,p=a[0],q=n.isFunction(p);if(q||l>1&&"string"==typeof p&&!k.checkClone&&eb.test(p))return this.each(function(c){var d=m.eq(c);q&&(a[0]=p.call(this,c,d.html())),d.domManip(a,b)});if(l&&(c=n.buildFragment(a,this[0].ownerDocument,!1,this),d=c.firstChild,1===c.childNodes.length&&(c=d),d)){for(f=n.map(ob(c,"script"),kb),g=f.length;l>j;j++)h=c,j!==o&&(h=n.clone(h,!0,!0),g&&n.merge(f,ob(h,"script"))),b.call(this[j],h,j);if(g)for(i=f[f.length-1].ownerDocument,n.map(f,lb),j=0;g>j;j++)h=f[j],fb.test(h.type||"")&&!L.access(h,"globalEval")&&n.contains(i,h)&&(h.src?n._evalUrl&&n._evalUrl(h.src):n.globalEval(h.textContent.replace(hb,"")))}return this}}),n.each({appendTo:"append",prependTo:"prepend",insertBefore:"before",insertAfter:"after",replaceAll:"replaceWith"},function(a,b){n.fn[a]=function(a){for(var c,d=[],e=n(a),g=e.length-1,h=0;g>=h;h++)c=h===g?this:this.clone(!0),n(e[h])[b](c),f.apply(d,c.get());return this.pushStack(d)}});var qb,rb={};function sb(b,c){var d,e=n(c.createElement(b)).appendTo(c.body),f=a.getDefaultComputedStyle&&(d=a.getDefaultComputedStyle(e[0]))?d.display:n.css(e[0],"display");return e.detach(),f}function tb(a){var b=l,c=rb[a];return c||(c=sb(a,b),"none"!==c&&c||(qb=(qb||n("