OLD | NEW |
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 |
(...skipping 640 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
651 | 651 |
652 var toString = x.toString; | 652 var toString = x.toString; |
653 if (IS_SPEC_FUNCTION(toString)) { | 653 if (IS_SPEC_FUNCTION(toString)) { |
654 var s = %_CallFunction(x, toString); | 654 var s = %_CallFunction(x, toString); |
655 if (%IsPrimitive(s)) return s; | 655 if (%IsPrimitive(s)) return s; |
656 } | 656 } |
657 | 657 |
658 throw %MakeTypeError('cannot_convert_to_primitive', []); | 658 throw %MakeTypeError('cannot_convert_to_primitive', []); |
659 } | 659 } |
660 | 660 |
661 | |
662 // ECMA-262, section 8.6.2.6, page 28. | 661 // ECMA-262, section 8.6.2.6, page 28. |
663 function DefaultString(x) { | 662 function DefaultString(x) { |
664 var toString = x.toString; | 663 var toString = x.toString; |
665 if (IS_SPEC_FUNCTION(toString)) { | 664 if (IS_SPEC_FUNCTION(toString)) { |
666 var s = %_CallFunction(x, toString); | 665 var s = %_CallFunction(x, toString); |
667 if (%IsPrimitive(s)) return s; | 666 if (%IsPrimitive(s)) return s; |
668 } | 667 } |
669 | 668 |
670 var valueOf = x.valueOf; | 669 var valueOf = x.valueOf; |
671 if (IS_SPEC_FUNCTION(valueOf)) { | 670 if (IS_SPEC_FUNCTION(valueOf)) { |
672 var v = %_CallFunction(x, valueOf); | 671 var v = %_CallFunction(x, valueOf); |
673 if (%IsPrimitive(v)) return v; | 672 if (%IsPrimitive(v)) return v; |
674 } | 673 } |
675 | 674 |
676 throw %MakeTypeError('cannot_convert_to_primitive', []); | 675 throw %MakeTypeError('cannot_convert_to_primitive', []); |
677 } | 676 } |
678 | 677 |
| 678 function ToPositiveInteger(x, rangeErrorName) { |
| 679 var i = TO_INTEGER(x); |
| 680 if (i < 0) throw %MakeRangeError(rangeErrorName); |
| 681 return i; |
| 682 } |
| 683 |
679 | 684 |
680 // NOTE: Setting the prototype for Array must take place as early as | 685 // NOTE: Setting the prototype for Array must take place as early as |
681 // possible due to code generation for array literals. When | 686 // possible due to code generation for array literals. When |
682 // generating code for a array literal a boilerplate array is created | 687 // generating code for a array literal a boilerplate array is created |
683 // that is cloned when running the code. It is essential that the | 688 // that is cloned when running the code. It is essential that the |
684 // boilerplate gets the right prototype. | 689 // boilerplate gets the right prototype. |
685 %FunctionSetPrototype($Array, new $Array(0)); | 690 %FunctionSetPrototype($Array, new $Array(0)); |
OLD | NEW |