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Issue 7056041: Reapply: "Make instanceof and Object.getPrototypeOf work for proxies, (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fix for Runtime_GetPrototype Created 9 years, 6 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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53 "constructTrap", 53 "constructTrap",
54 ] 54 ]
55 55
56 $Proxy.createFunction = function(handler, callTrap, constructTrap) { 56 $Proxy.createFunction = function(handler, callTrap, constructTrap) {
57 handler.callTrap = callTrap 57 handler.callTrap = callTrap
58 handler.constructTrap = constructTrap 58 handler.constructTrap = constructTrap
59 $Proxy.create(handler) 59 $Proxy.create(handler)
60 } 60 }
61 61
62 $Proxy.create = function(handler, proto) { 62 $Proxy.create = function(handler, proto) {
63 if (!IS_SPEC_OBJECT(handler)) throw TypeError 63 if (!IS_SPEC_OBJECT(handler))
64 if (!IS_SPEC_OBJECT(proto)) proto = $Object.prototype 64 throw MakeTypeError("handler_non_object", ["create"])
65 if (!IS_SPEC_OBJECT(proto)) proto = null // Mozilla does this...
65 return %CreateJSProxy(handler, proto) 66 return %CreateJSProxy(handler, proto)
66 } 67 }
67 68
68 69
69 70
70 71
71 //////////////////////////////////////////////////////////////////////////////// 72 ////////////////////////////////////////////////////////////////////////////////
72 // Builtins 73 // Builtins
73 //////////////////////////////////////////////////////////////////////////////// 74 ////////////////////////////////////////////////////////////////////////////////
74 75
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123 } 124 }
124 } 125 }
125 } 126 }
126 this.defineProperty(name, { 127 this.defineProperty(name, {
127 value: val, 128 value: val,
128 writable: true, 129 writable: true,
129 enumerable: true, 130 enumerable: true,
130 configurable: true}); 131 configurable: true});
131 return true; 132 return true;
132 } 133 }
134
135 function DerivedHasTrap(name) {
136 return !!this.getPropertyDescriptor(name)
137 }
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