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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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41 | 41 |
42 // The following declarations are shared with other native JS files. | 42 // The following declarations are shared with other native JS files. |
43 // They are all declared at this one spot to avoid redeclaration errors. | 43 // They are all declared at this one spot to avoid redeclaration errors. |
44 var $Object = global.Object; | 44 var $Object = global.Object; |
45 var $Array = global.Array; | 45 var $Array = global.Array; |
46 var $String = global.String; | 46 var $String = global.String; |
47 var $Number = global.Number; | 47 var $Number = global.Number; |
48 var $Function = global.Function; | 48 var $Function = global.Function; |
49 var $Boolean = global.Boolean; | 49 var $Boolean = global.Boolean; |
50 var $NaN = %GetRootNaN(); | 50 var $NaN = %GetRootNaN(); |
51 var builtins = this; | |
52 | 51 |
53 // ECMA-262 Section 11.9.3. | 52 // ECMA-262 Section 11.9.3. |
54 function EQUALS(y) { | 53 function EQUALS(y) { |
55 if (IS_STRING(this) && IS_STRING(y)) return %StringEquals(this, y); | 54 if (IS_STRING(this) && IS_STRING(y)) return %StringEquals(this, y); |
56 var x = this; | 55 var x = this; |
57 | 56 |
58 while (true) { | 57 while (true) { |
59 if (IS_NUMBER(x)) { | 58 if (IS_NUMBER(x)) { |
60 while (true) { | 59 while (true) { |
61 if (IS_NUMBER(y)) return %NumberEquals(x, y); | 60 if (IS_NUMBER(y)) return %NumberEquals(x, y); |
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669 return i; | 668 return i; |
670 } | 669 } |
671 | 670 |
672 | 671 |
673 // NOTE: Setting the prototype for Array must take place as early as | 672 // NOTE: Setting the prototype for Array must take place as early as |
674 // possible due to code generation for array literals. When | 673 // possible due to code generation for array literals. When |
675 // generating code for a array literal a boilerplate array is created | 674 // generating code for a array literal a boilerplate array is created |
676 // that is cloned when running the code. It is essential that the | 675 // that is cloned when running the code. It is essential that the |
677 // boilerplate gets the right prototype. | 676 // boilerplate gets the right prototype. |
678 %FunctionSetPrototype($Array, new $Array(0)); | 677 %FunctionSetPrototype($Array, new $Array(0)); |
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