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LibRegex+LibJS: Avoid searching for more than one match in JS RegExps

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All of JS's regular expression APIs only want a single match, so avoid
trying to produce more (which will be discarded anyway).
This commit is contained in:
Ali Mohammad Pur 2022-02-04 19:29:26 +03:30 • committed by Andreas Kling
parent 4c506f91fe
commit 2b028f6faa
5 changed files with 28 additions and 5 deletions
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7
Userland/Libraries/LibJS/Runtime/RegExpObject.h
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@ -25,7 +25,12 @@ class RegExpObject : public Object {
public:
// JS regexps are all 'global' by default as per our definition, but the "global" flag enables "stateful".
// FIXME: Enable 'BrowserExtended' only if in a browser context.
static constexpr regex::RegexOptions<ECMAScriptFlags> default_flags { (regex::ECMAScriptFlags)regex::AllFlags::Global | (regex::ECMAScriptFlags)regex::AllFlags::SkipTrimEmptyMatches | regex::ECMAScriptFlags::BrowserExtended };
static constexpr regex::RegexOptions<ECMAScriptFlags> default_flags {
(regex::ECMAScriptFlags)regex::AllFlags::SingleMatch
| (regex::ECMAScriptFlags)regex::AllFlags::Global
| (regex::ECMAScriptFlags)regex::AllFlags::SkipTrimEmptyMatches
| regex::ECMAScriptFlags::BrowserExtended
};
static RegExpObject* create(GlobalObject&);
static RegExpObject* create(GlobalObject&, Regex<ECMA262> regex, String pattern, String flags);