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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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330 } | 330 } |
331 | 331 |
332 | 332 |
333 function ObjectKeys(obj) { | 333 function ObjectKeys(obj) { |
334 if (!IS_SPEC_OBJECT(obj)) { | 334 if (!IS_SPEC_OBJECT(obj)) { |
335 throw MakeTypeError("called_on_non_object", ["Object.keys"]); | 335 throw MakeTypeError("called_on_non_object", ["Object.keys"]); |
336 } | 336 } |
337 if (%IsJSProxy(obj)) { | 337 if (%IsJSProxy(obj)) { |
338 var handler = %GetHandler(obj); | 338 var handler = %GetHandler(obj); |
339 var names = CallTrap0(handler, "keys", DerivedKeysTrap); | 339 var names = CallTrap0(handler, "keys", DerivedKeysTrap); |
340 return ToStringArray(names); | 340 return ToStringArray(names, "keys"); |
341 } | 341 } |
342 return %LocalKeys(obj); | 342 return %LocalKeys(obj); |
343 } | 343 } |
344 | 344 |
345 | 345 |
346 // ES5 8.10.1. | 346 // ES5 8.10.1. |
347 function IsAccessorDescriptor(desc) { | 347 function IsAccessorDescriptor(desc) { |
348 if (IS_UNDEFINED(desc)) return false; | 348 if (IS_UNDEFINED(desc)) return false; |
349 return desc.hasGetter() || desc.hasSetter(); | 349 return desc.hasGetter() || desc.hasSetter(); |
350 } | 350 } |
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956 // For Harmony proxies | 956 // For Harmony proxies |
957 function ToStringArray(obj, trap) { | 957 function ToStringArray(obj, trap) { |
958 if (!IS_SPEC_OBJECT(obj)) { | 958 if (!IS_SPEC_OBJECT(obj)) { |
959 throw MakeTypeError("proxy_non_object_prop_names", [obj, trap]); | 959 throw MakeTypeError("proxy_non_object_prop_names", [obj, trap]); |
960 } | 960 } |
961 var n = ToUint32(obj.length); | 961 var n = ToUint32(obj.length); |
962 var array = new $Array(n); | 962 var array = new $Array(n); |
963 var names = {}; // TODO(rossberg): use sets once they are ready. | 963 var names = {}; // TODO(rossberg): use sets once they are ready. |
964 for (var index = 0; index < n; index++) { | 964 for (var index = 0; index < n; index++) { |
965 var s = ToString(obj[index]); | 965 var s = ToString(obj[index]); |
966 if (s in names) { | 966 if (%HasLocalProperty(names, s)) { |
967 throw MakeTypeError("proxy_repeated_prop_name", [obj, trap, s]); | 967 throw MakeTypeError("proxy_repeated_prop_name", [obj, trap, s]); |
968 } | 968 } |
969 array[index] = s; | 969 array[index] = s; |
970 names[s] = 0; | 970 names[s] = 0; |
971 } | 971 } |
972 return array; | 972 return array; |
973 } | 973 } |
974 | 974 |
975 | 975 |
976 // ES5 section 15.2.3.4. | 976 // ES5 section 15.2.3.4. |
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1665 | 1665 |
1666 function SetUpFunction() { | 1666 function SetUpFunction() { |
1667 %CheckIsBootstrapping(); | 1667 %CheckIsBootstrapping(); |
1668 InstallFunctions($Function.prototype, DONT_ENUM, $Array( | 1668 InstallFunctions($Function.prototype, DONT_ENUM, $Array( |
1669 "bind", FunctionBind, | 1669 "bind", FunctionBind, |
1670 "toString", FunctionToString | 1670 "toString", FunctionToString |
1671 )); | 1671 )); |
1672 } | 1672 } |
1673 | 1673 |
1674 SetUpFunction(); | 1674 SetUpFunction(); |
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