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/*
* Copyright (c) 2020, Matthew Olsson <mattco@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Optional.h>
#include <AK/Result.h>
#include <LibJS/AST.h>
#include <LibJS/Runtime/Object.h>
#include <LibRegex/Regex.h>
namespace JS {
ThrowCompletionOr<RegExpObject*> regexp_create(GlobalObject&, Value pattern, Value flags);
Result<regex::RegexOptions<ECMAScriptFlags>, String> regex_flags_from_string(StringView flags);
String parse_regex_pattern(StringView pattern, bool unicode);
class RegExpObject : public Object {
JS_OBJECT(RegExpObject, 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 RegExpObject* create(GlobalObject&);
static RegExpObject* create(GlobalObject&, Regex<ECMA262> regex, String pattern, String flags);
RegExpObject(Object& prototype);
RegExpObject(Regex<ECMA262> regex, String pattern, String flags, Object& prototype);
ThrowCompletionOr<RegExpObject*> regexp_initialize(GlobalObject&, Value pattern, Value flags);
String escape_regexp_pattern() const;
virtual void initialize(GlobalObject&) override;
virtual ~RegExpObject() override;
const String& pattern() const { return m_pattern; }
const String& flags() const { return m_flags; }
const Regex<ECMA262>& regex() { return *m_regex; }
const Regex<ECMA262>& regex() const { return *m_regex; }
private:
String m_pattern;
String m_flags;
Optional<Regex<ECMA262>> m_regex;
};
}
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