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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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736 return obj; | 736 return obj; |
737 } | 737 } |
738 | 738 |
739 | 739 |
740 // ES5 section 15.2.3.8. | 740 // ES5 section 15.2.3.8. |
741 function ObjectSeal(obj) { | 741 function ObjectSeal(obj) { |
742 if (!IS_SPEC_OBJECT(obj)) { | 742 if (!IS_SPEC_OBJECT(obj)) { |
743 throw MakeTypeError("obj_ctor_property_non_object", ["seal"]); | 743 throw MakeTypeError("obj_ctor_property_non_object", ["seal"]); |
744 } | 744 } |
745 var names = ObjectGetOwnPropertyNames(obj); | 745 var names = ObjectGetOwnPropertyNames(obj); |
746 for (var key in names) { | 746 for (var i = 0; i < names.length; i++) { |
747 var name = names[key]; | 747 var name = names[i]; |
748 var desc = GetOwnProperty(obj, name); | 748 var desc = GetOwnProperty(obj, name); |
749 if (desc.isConfigurable()) desc.setConfigurable(false); | 749 if (desc.isConfigurable()) desc.setConfigurable(false); |
750 DefineOwnProperty(obj, name, desc, true); | 750 DefineOwnProperty(obj, name, desc, true); |
751 } | 751 } |
752 return ObjectPreventExtension(obj); | 752 return ObjectPreventExtension(obj); |
753 } | 753 } |
754 | 754 |
755 | 755 |
756 // ES5 section 15.2.3.9. | 756 // ES5 section 15.2.3.9. |
757 function ObjectFreeze(obj) { | 757 function ObjectFreeze(obj) { |
758 if (!IS_SPEC_OBJECT(obj)) { | 758 if (!IS_SPEC_OBJECT(obj)) { |
759 throw MakeTypeError("obj_ctor_property_non_object", ["freeze"]); | 759 throw MakeTypeError("obj_ctor_property_non_object", ["freeze"]); |
760 } | 760 } |
761 var names = ObjectGetOwnPropertyNames(obj); | 761 var names = ObjectGetOwnPropertyNames(obj); |
762 for (var key in names) { | 762 for (var i = 0; i < names.length; i++) { |
763 var name = names[key]; | 763 var name = names[i]; |
764 var desc = GetOwnProperty(obj, name); | 764 var desc = GetOwnProperty(obj, name); |
765 if (IsDataDescriptor(desc)) desc.setWritable(false); | 765 if (IsDataDescriptor(desc)) desc.setWritable(false); |
766 if (desc.isConfigurable()) desc.setConfigurable(false); | 766 if (desc.isConfigurable()) desc.setConfigurable(false); |
767 DefineOwnProperty(obj, name, desc, true); | 767 DefineOwnProperty(obj, name, desc, true); |
768 } | 768 } |
769 return ObjectPreventExtension(obj); | 769 return ObjectPreventExtension(obj); |
770 } | 770 } |
771 | 771 |
772 | 772 |
773 // ES5 section 15.2.3.10 | 773 // ES5 section 15.2.3.10 |
774 function ObjectPreventExtension(obj) { | 774 function ObjectPreventExtension(obj) { |
775 if (!IS_SPEC_OBJECT(obj)) { | 775 if (!IS_SPEC_OBJECT(obj)) { |
776 throw MakeTypeError("obj_ctor_property_non_object", ["preventExtension"]); | 776 throw MakeTypeError("obj_ctor_property_non_object", ["preventExtension"]); |
777 } | 777 } |
778 %PreventExtensions(obj); | 778 %PreventExtensions(obj); |
779 return obj; | 779 return obj; |
780 } | 780 } |
781 | 781 |
782 | 782 |
783 // ES5 section 15.2.3.11 | 783 // ES5 section 15.2.3.11 |
784 function ObjectIsSealed(obj) { | 784 function ObjectIsSealed(obj) { |
785 if (!IS_SPEC_OBJECT(obj)) { | 785 if (!IS_SPEC_OBJECT(obj)) { |
786 throw MakeTypeError("obj_ctor_property_non_object", ["isSealed"]); | 786 throw MakeTypeError("obj_ctor_property_non_object", ["isSealed"]); |
787 } | 787 } |
788 var names = ObjectGetOwnPropertyNames(obj); | 788 var names = ObjectGetOwnPropertyNames(obj); |
789 for (var key in names) { | 789 for (var i = 0; i < names.length; i++) { |
790 var name = names[key]; | 790 var name = names[i]; |
791 var desc = GetOwnProperty(obj, name); | 791 var desc = GetOwnProperty(obj, name); |
792 if (desc.isConfigurable()) return false; | 792 if (desc.isConfigurable()) return false; |
793 } | 793 } |
794 if (!ObjectIsExtensible(obj)) { | 794 if (!ObjectIsExtensible(obj)) { |
795 return true; | 795 return true; |
796 } | 796 } |
797 return false; | 797 return false; |
798 } | 798 } |
799 | 799 |
800 | 800 |
801 // ES5 section 15.2.3.12 | 801 // ES5 section 15.2.3.12 |
802 function ObjectIsFrozen(obj) { | 802 function ObjectIsFrozen(obj) { |
803 if (!IS_SPEC_OBJECT(obj)) { | 803 if (!IS_SPEC_OBJECT(obj)) { |
804 throw MakeTypeError("obj_ctor_property_non_object", ["isFrozen"]); | 804 throw MakeTypeError("obj_ctor_property_non_object", ["isFrozen"]); |
805 } | 805 } |
806 var names = ObjectGetOwnPropertyNames(obj); | 806 var names = ObjectGetOwnPropertyNames(obj); |
807 for (var key in names) { | 807 for (var i = 0; i < names.length; i++) { |
808 var name = names[key]; | 808 var name = names[i]; |
809 var desc = GetOwnProperty(obj, name); | 809 var desc = GetOwnProperty(obj, name); |
810 if (IsDataDescriptor(desc) && desc.isWritable()) return false; | 810 if (IsDataDescriptor(desc) && desc.isWritable()) return false; |
811 if (desc.isConfigurable()) return false; | 811 if (desc.isConfigurable()) return false; |
812 } | 812 } |
813 if (!ObjectIsExtensible(obj)) { | 813 if (!ObjectIsExtensible(obj)) { |
814 return true; | 814 return true; |
815 } | 815 } |
816 return false; | 816 return false; |
817 } | 817 } |
818 | 818 |
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1179 // ---------------------------------------------------------------------------- | 1179 // ---------------------------------------------------------------------------- |
1180 | 1180 |
1181 function SetupFunction() { | 1181 function SetupFunction() { |
1182 InstallFunctions($Function.prototype, DONT_ENUM, $Array( | 1182 InstallFunctions($Function.prototype, DONT_ENUM, $Array( |
1183 "bind", FunctionBind, | 1183 "bind", FunctionBind, |
1184 "toString", FunctionToString | 1184 "toString", FunctionToString |
1185 )); | 1185 )); |
1186 } | 1186 } |
1187 | 1187 |
1188 SetupFunction(); | 1188 SetupFunction(); |
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