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LibRegex: Flatten capture group list in MatchState

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This makes copying the capture group COWVector significantly cheaper,
as we no longer have to run any constructors for it - just memcpy.
This commit is contained in:
Ali Mohammad Pur 2025-04-15 15:31:08 +02:00 • committed by Andreas Kling
commit 76f5dce3db
Notes: github-actions[bot] 2025-04-18 15:10:37 +00:00
14 changed files with 98 additions and 87 deletions
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13
Libraries/LibRegex/RegexDefs.h
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@ -43,12 +43,11 @@ enum __RegexAllFlags {
__Regex_SingleLine = __Regex_Global << 10, // Dot matches newline characters
__Regex_Sticky = __Regex_Global << 11, // Force the pattern to only match consecutive matches from where the previous match ended.
__Regex_Multiline = __Regex_Global << 12, // Handle newline characters. Match each line, one by one.
__Regex_SkipTrimEmptyMatches = __Regex_Global << 13, // Do not remove empty capture group results.
__Regex_SingleMatch = __Regex_Global << 14, // Stop after acquiring a single match.
__Regex_UnicodeSets = __Regex_Global << 15, // ECMA262 Parser specific: Allow set operations in char classes.
__Regex_Internal_Stateful = __Regex_Global << 16, // Internal flag; enables stateful matches.
__Regex_Internal_BrowserExtended = __Regex_Global << 17, // Internal flag; enable browser-specific ECMA262 extensions.
__Regex_Internal_ConsiderNewline = __Regex_Global << 18, // Internal flag; allow matchers to consider newlines as line separators.
__Regex_Internal_ECMA262DotSemantics = __Regex_Global << 19, // Internal flag; use ECMA262 semantics for dot ('.') - disallow CR/LF/LS/PS instead of just CR.
__Regex_SingleMatch = __Regex_Global << 13, // Stop after acquiring a single match.
__Regex_UnicodeSets = __Regex_Global << 14, // ECMA262 Parser specific: Allow set operations in char classes.
__Regex_Internal_Stateful = __Regex_Global << 15, // Internal flag; enables stateful matches.
__Regex_Internal_BrowserExtended = __Regex_Global << 16, // Internal flag; enable browser-specific ECMA262 extensions.
__Regex_Internal_ConsiderNewline = __Regex_Global << 17, // Internal flag; allow matchers to consider newlines as line separators.
__Regex_Internal_ECMA262DotSemantics = __Regex_Global << 18, // Internal flag; use ECMA262 semantics for dot ('.') - disallow CR/LF/LS/PS instead of just CR.
__Regex_Last = __Regex_Internal_ECMA262DotSemantics,
};