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// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include 'src/builtins/builtins-regexp-gen.h'
namespace regexp {
extern transitioning macro RegExpBuiltinsAssembler::RegExpPrototypeMatchBody(
implicit context: Context)(Object, String, constexpr bool): JSAny;
transitioning macro FastRegExpPrototypeMatchBody(implicit context: Context)(
receiver: FastJSRegExp, string: String): JSAny {
return RegExpPrototypeMatchBody(receiver, string, true);
}
transitioning macro SlowRegExpPrototypeMatchBody(implicit context: Context)(
receiver: Object, string: String): JSAny {
return RegExpPrototypeMatchBody(receiver, string, false);
}
// Helper that skips a few initial checks. and assumes...
// 1) receiver is a "fast" RegExp
// 2) pattern is a string
transitioning builtin RegExpMatchFast(implicit context: Context)(
receiver: FastJSRegExp, string: String): JSAny {
return FastRegExpPrototypeMatchBody(receiver, string);
}
// ES#sec-regexp.prototype-@@match
// RegExp.prototype [ @@match ] ( string )
transitioning javascript builtin RegExpPrototypeMatch(
js-implicit context: Context, receiver: JSAny)(string: JSAny): JSAny {
ThrowIfNotJSReceiver(
receiver, kIncompatibleMethodReceiver, 'RegExp.prototype.@@match');
const receiver = UnsafeCast<JSReceiver>(receiver);
const string: String = ToString_Inline(context, string);
// Strict: Reads global and unicode properties.
// TODO(jgruber): Handle slow flag accesses on the fast path and make this
// permissive.
const fastRegExp = Cast<FastJSRegExp>(receiver)
otherwise return SlowRegExpPrototypeMatchBody(receiver, string);
// TODO(pwong): Could be optimized to remove the overhead of calling the
// builtin (at the cost of a larger builtin).
return RegExpMatchFast(fastRegExp, string);
}
}
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