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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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49 function InstallFunctions(object, attributes, functions) { | 49 function InstallFunctions(object, attributes, functions) { |
50 if (functions.length >= 8) { | 50 if (functions.length >= 8) { |
51 %OptimizeObjectForAddingMultipleProperties(object, functions.length >> 1); | 51 %OptimizeObjectForAddingMultipleProperties(object, functions.length >> 1); |
52 } | 52 } |
53 for (var i = 0; i < functions.length; i += 2) { | 53 for (var i = 0; i < functions.length; i += 2) { |
54 var key = functions[i]; | 54 var key = functions[i]; |
55 var f = functions[i + 1]; | 55 var f = functions[i + 1]; |
56 %FunctionSetName(f, key); | 56 %FunctionSetName(f, key); |
57 %FunctionRemovePrototype(f); | 57 %FunctionRemovePrototype(f); |
58 %SetProperty(object, key, f, attributes); | 58 %SetProperty(object, key, f, attributes); |
| 59 %SetES5Flag(f); |
59 } | 60 } |
60 %ToFastProperties(object); | 61 %ToFastProperties(object); |
61 } | 62 } |
62 | 63 |
63 // Emulates JSC by installing functions on a hidden prototype that | 64 // Emulates JSC by installing functions on a hidden prototype that |
64 // lies above the current object/prototype. This lets you override | 65 // lies above the current object/prototype. This lets you override |
65 // functions on String.prototype etc. and then restore the old function | 66 // functions on String.prototype etc. and then restore the old function |
66 // with delete. See http://code.google.com/p/chromium/issues/detail?id=1717 | 67 // with delete. See http://code.google.com/p/chromium/issues/detail?id=1717 |
67 function InstallFunctionsOnHiddenPrototype(object, attributes, functions) { | 68 function InstallFunctionsOnHiddenPrototype(object, attributes, functions) { |
68 var hidden_prototype = new $Object(); | 69 var hidden_prototype = new $Object(); |
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1312 // ---------------------------------------------------------------------------- | 1313 // ---------------------------------------------------------------------------- |
1313 | 1314 |
1314 function SetupFunction() { | 1315 function SetupFunction() { |
1315 InstallFunctions($Function.prototype, DONT_ENUM, $Array( | 1316 InstallFunctions($Function.prototype, DONT_ENUM, $Array( |
1316 "bind", FunctionBind, | 1317 "bind", FunctionBind, |
1317 "toString", FunctionToString | 1318 "toString", FunctionToString |
1318 )); | 1319 )); |
1319 } | 1320 } |
1320 | 1321 |
1321 SetupFunction(); | 1322 SetupFunction(); |
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