harmony-unicode-regexps.js 1.05 KB
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// Copyright 2014 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.

(function(global, utils) {

'use strict';

%CheckIsBootstrapping();

// -------------------------------------------------------------------
// Imports

var GlobalRegExp = global.RegExp;
var GlobalRegExpPrototype = GlobalRegExp.prototype;
var MakeTypeError;

utils.Import(function(from) {
  MakeTypeError = from.MakeTypeError;
});

// -------------------------------------------------------------------

// ES6 21.2.5.15.
function RegExpGetUnicode() {
  if (!IS_REGEXP(this)) {
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    // TODO(littledan): Remove this RegExp compat workaround
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    if (this === GlobalRegExpPrototype) {
      %IncrementUseCounter(kRegExpPrototypeUnicodeGetter);
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      return UNDEFINED;
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    }
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    throw MakeTypeError(kRegExpNonRegExp, "RegExp.prototype.unicode");
  }
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  return TO_BOOLEAN(REGEXP_UNICODE(this));
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}
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%SetForceInlineFlag(RegExpGetUnicode);
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utils.InstallGetter(GlobalRegExp.prototype, 'unicode', RegExpGetUnicode);

})