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Diffstat (limited to 'Source/JavaScriptCore/builtins/ReflectObject.js')
-rw-r--r-- | Source/JavaScriptCore/builtins/ReflectObject.js | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/builtins/ReflectObject.js b/Source/JavaScriptCore/builtins/ReflectObject.js new file mode 100644 index 000000000..69c982850 --- /dev/null +++ b/Source/JavaScriptCore/builtins/ReflectObject.js @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2015 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +// http://www.ecma-international.org/ecma-262/6.0/#sec-reflect.apply +function apply(target, thisArgument, argumentsList) +{ + "use strict"; + + if (typeof target !== "function") + throw new @TypeError("Reflect.apply requires the first argument be a function"); + + if (!@isObject(argumentsList)) + throw new @TypeError("Reflect.apply requires the third argument be an object"); + + return target.@apply(thisArgument, argumentsList); +} + +// http://www.ecma-international.org/ecma-262/6.0/#sec-reflect.deleteproperty +function deleteProperty(target, propertyKey) +{ + // Intentionally keep the code the sloppy mode to suppress the TypeError + // raised by the delete operator under the strict mode. + + if (!@isObject(target)) + throw new @TypeError("Reflect.deleteProperty requires the first argument be an object"); + + return delete target[propertyKey]; +} + +// http://www.ecma-international.org/ecma-262/6.0/#sec-reflect.has +function has(target, propertyKey) +{ + "use strict"; + + if (!@isObject(target)) + throw new @TypeError("Reflect.has requires the first argument be an object"); + + return propertyKey in target; +} |