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uint128_t usage on parsergenerator #2204

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uint128_t usage on parsergenerator #2204

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fe5aac9
uint128_t usage on parsergenerator
xinitrcn1 Dec 9, 2025
3a1eee9
Update parser_generator.cpp
xinitrcn1 Dec 9, 2025
61c6cbd
Update parser_generator.cpp
xinitrcn1 Dec 9, 2025
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26 changes: 19 additions & 7 deletions ParserGenerator/parser_generator.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -381,6 +381,13 @@ std::string final_match_condition_internal(std::string_view const key, int32_t s
if(starting_position >= ending_position)
return "";

#if defined(__GNUC__) || defined(__clang__)
if(ending_position - starting_position >= 16) {
return
" && (*(uint128_t const*)(&cur.content[" + std::to_string(starting_position) + "]) | (uint128_t(0x2020202020202020) << 64 | uint128_t(0x2020202020202020)) == uint128_t(" + string_to_hex(key, starting_position + 8, 8) + ") << 64 | uint128_t(" + string_to_hex(key, starting_position, 8) + "))"
+ final_match_condition_internal(key, starting_position + 8, ending_position);
}
#endif
if(ending_position - starting_position >= 8) {
return
" && (*(uint64_t const*)(&cur.content[" + std::to_string(starting_position) + "]) | uint64_t(0x2020202020202020) ) == uint64_t(" + string_to_hex(key, starting_position, 8) + ")"
Expand Down Expand Up @@ -593,13 +600,18 @@ std::string construct_match_tree_outer(auto const& vector, auto const& generator

void file_write_out(std::fstream& stream, std::vector<group_contents>& groups) {
// process the parsed content into the generated file
std::string output;
output += "#include \"parsers.hpp\"\n";
// output += "#pragma warning( push )\n";
// output += "#pragma warning( disable : 4065 )\n";
// output += "#pragma warning( disable : 4189 )\n";
output += "\n";
output += "namespace parsers {\n";
std::string output =
"#include \"parsers.hpp\"\n"
//"#pragma warning( push )\n"
//"#pragma warning( disable : 4065 )\n"
//"#pragma warning( disable : 4189 )\n"
"\n"
"namespace parsers {\n"
#if defined(__GNUC__) || defined(__clang__)
"typedef __int128 int128_t;\n"
"typedef unsigned __int128 uint128_t;\n"
#endif
;
// fn bodies
std::vector<bool> declared_groups(groups.size(), false);
for(size_t i = 0; i < groups.size(); i++) {
Expand Down
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