2b028f6faa
All of JS's regular expression APIs only want a single match, so avoid trying to produce more (which will be discarded anyway).
58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
/*
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* Copyright (c) 2020, Matthew Olsson <mattco@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Optional.h>
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#include <AK/Result.h>
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#include <LibJS/AST.h>
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#include <LibJS/Runtime/Object.h>
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#include <LibRegex/Regex.h>
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namespace JS {
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ThrowCompletionOr<RegExpObject*> regexp_create(GlobalObject&, Value pattern, Value flags);
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Result<regex::RegexOptions<ECMAScriptFlags>, String> regex_flags_from_string(StringView flags);
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String parse_regex_pattern(StringView pattern, bool unicode);
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class RegExpObject : public Object {
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JS_OBJECT(RegExpObject, Object);
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public:
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// JS regexps are all 'global' by default as per our definition, but the "global" flag enables "stateful".
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// FIXME: Enable 'BrowserExtended' only if in a browser context.
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static constexpr regex::RegexOptions<ECMAScriptFlags> default_flags {
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(regex::ECMAScriptFlags)regex::AllFlags::SingleMatch
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| (regex::ECMAScriptFlags)regex::AllFlags::Global
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| (regex::ECMAScriptFlags)regex::AllFlags::SkipTrimEmptyMatches
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| regex::ECMAScriptFlags::BrowserExtended
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};
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static RegExpObject* create(GlobalObject&);
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static RegExpObject* create(GlobalObject&, Regex<ECMA262> regex, String pattern, String flags);
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RegExpObject(Object& prototype);
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RegExpObject(Regex<ECMA262> regex, String pattern, String flags, Object& prototype);
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ThrowCompletionOr<RegExpObject*> regexp_initialize(GlobalObject&, Value pattern, Value flags);
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String escape_regexp_pattern() const;
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virtual void initialize(GlobalObject&) override;
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virtual ~RegExpObject() override;
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const String& pattern() const { return m_pattern; }
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const String& flags() const { return m_flags; }
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const Regex<ECMA262>& regex() { return *m_regex; }
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const Regex<ECMA262>& regex() const { return *m_regex; }
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private:
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String m_pattern;
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String m_flags;
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Optional<Regex<ECMA262>> m_regex;
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};
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}
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