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LibRegex: Implement an ECMA262-compatible parser

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This also adds support for lookarounds and individually-negated
comparisons.
The only unimplemented part of the parser spec is the unicode stuff.
This commit is contained in:
AnotherTest
2020-11-27 19:33:53 +03:30
committed by Andreas Kling
parent 3200ff5f4f
commit dbef2b1ee9
Notes: sideshowbarker 2024-07-19 01:14:40 +09:00 
Author: https://github.com/alimpfard
Commit: https://github.com/SerenityOS/serenity/commit/dbef2b1ee9d
Pull-request: https://github.com/SerenityOS/serenity/pull/4103
Reviewed-by: https://github.com/linusg ✅
11 changed files with 1321 additions and 25 deletions
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Libraries/LibRegex/RegexDebug.h
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@@ -102,6 +102,7 @@ public:
{
StringBuilder builder;
builder.append(execution_result_name(result));
builder.appendff(", fc: {}, ss: {}", input.fail_counter, input.saved_positions.size());
if (result == ExecutionResult::Succeeded) {
builder.appendf(", ip: %lu/%lu, sp: %lu/%lu", state.instruction_position, bytecode.size() - 1, state.string_position, input.view.length() - 1);
} else if (result == ExecutionResult::Fork_PrioHigh) {