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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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902 | 902 |
903 function BooleanValueOf() { | 903 function BooleanValueOf() { |
904 // NOTE: Both Boolean objects and values can enter here as | 904 // NOTE: Both Boolean objects and values can enter here as |
905 // 'this'. This is not as dictated by ECMA-262. | 905 // 'this'. This is not as dictated by ECMA-262. |
906 if (!IS_BOOLEAN(this) && !IS_BOOLEAN_WRAPPER(this)) | 906 if (!IS_BOOLEAN(this) && !IS_BOOLEAN_WRAPPER(this)) |
907 throw new $TypeError('Boolean.prototype.valueOf is not generic'); | 907 throw new $TypeError('Boolean.prototype.valueOf is not generic'); |
908 return %_ValueOf(this); | 908 return %_ValueOf(this); |
909 } | 909 } |
910 | 910 |
911 | 911 |
912 function BooleanToJSON(key) { | |
913 return CheckJSONPrimitive(this.valueOf()); | |
914 } | |
915 | |
916 | |
917 // ---------------------------------------------------------------------------- | 912 // ---------------------------------------------------------------------------- |
918 | 913 |
919 | 914 |
920 function SetupBoolean() { | 915 function SetupBoolean() { |
921 InstallFunctions($Boolean.prototype, DONT_ENUM, $Array( | 916 InstallFunctions($Boolean.prototype, DONT_ENUM, $Array( |
922 "toString", BooleanToString, | 917 "toString", BooleanToString, |
923 "valueOf", BooleanValueOf, | 918 "valueOf", BooleanValueOf |
924 "toJSON", BooleanToJSON | |
925 )); | 919 )); |
926 } | 920 } |
927 | 921 |
928 SetupBoolean(); | 922 SetupBoolean(); |
929 | 923 |
930 // ---------------------------------------------------------------------------- | 924 // ---------------------------------------------------------------------------- |
931 // Number | 925 // Number |
932 | 926 |
933 // Set the Number function and constructor. | 927 // Set the Number function and constructor. |
934 %SetCode($Number, function(x) { | 928 %SetCode($Number, function(x) { |
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1014 if (IS_UNDEFINED(precision)) return ToString(%_ValueOf(this)); | 1008 if (IS_UNDEFINED(precision)) return ToString(%_ValueOf(this)); |
1015 var p = TO_INTEGER(precision); | 1009 var p = TO_INTEGER(precision); |
1016 if (p < 1 || p > 21) { | 1010 if (p < 1 || p > 21) { |
1017 throw new $RangeError("toPrecision() argument must be between 1 and 21"); | 1011 throw new $RangeError("toPrecision() argument must be between 1 and 21"); |
1018 } | 1012 } |
1019 var x = ToNumber(this); | 1013 var x = ToNumber(this); |
1020 return %NumberToPrecision(x, p); | 1014 return %NumberToPrecision(x, p); |
1021 } | 1015 } |
1022 | 1016 |
1023 | 1017 |
1024 function CheckJSONPrimitive(val) { | |
1025 if (!IsPrimitive(val)) | |
1026 throw MakeTypeError('result_not_primitive', ['toJSON', val]); | |
1027 return val; | |
1028 } | |
1029 | |
1030 | |
1031 function NumberToJSON(key) { | |
1032 return CheckJSONPrimitive(this.valueOf()); | |
1033 } | |
1034 | |
1035 | |
1036 // ---------------------------------------------------------------------------- | 1018 // ---------------------------------------------------------------------------- |
1037 | 1019 |
1038 function SetupNumber() { | 1020 function SetupNumber() { |
1039 %OptimizeObjectForAddingMultipleProperties($Number.prototype, 8); | 1021 %OptimizeObjectForAddingMultipleProperties($Number.prototype, 8); |
1040 // Setup the constructor property on the Number prototype object. | 1022 // Setup the constructor property on the Number prototype object. |
1041 %SetProperty($Number.prototype, "constructor", $Number, DONT_ENUM); | 1023 %SetProperty($Number.prototype, "constructor", $Number, DONT_ENUM); |
1042 | 1024 |
1043 %OptimizeObjectForAddingMultipleProperties($Number, 5); | 1025 %OptimizeObjectForAddingMultipleProperties($Number, 5); |
1044 // ECMA-262 section 15.7.3.1. | 1026 // ECMA-262 section 15.7.3.1. |
1045 %SetProperty($Number, | 1027 %SetProperty($Number, |
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1066 DONT_ENUM | DONT_DELETE | READ_ONLY); | 1048 DONT_ENUM | DONT_DELETE | READ_ONLY); |
1067 %ToFastProperties($Number); | 1049 %ToFastProperties($Number); |
1068 | 1050 |
1069 // Setup non-enumerable functions on the Number prototype object. | 1051 // Setup non-enumerable functions on the Number prototype object. |
1070 InstallFunctions($Number.prototype, DONT_ENUM, $Array( | 1052 InstallFunctions($Number.prototype, DONT_ENUM, $Array( |
1071 "toString", NumberToString, | 1053 "toString", NumberToString, |
1072 "toLocaleString", NumberToLocaleString, | 1054 "toLocaleString", NumberToLocaleString, |
1073 "valueOf", NumberValueOf, | 1055 "valueOf", NumberValueOf, |
1074 "toFixed", NumberToFixed, | 1056 "toFixed", NumberToFixed, |
1075 "toExponential", NumberToExponential, | 1057 "toExponential", NumberToExponential, |
1076 "toPrecision", NumberToPrecision, | 1058 "toPrecision", NumberToPrecision |
1077 "toJSON", NumberToJSON | |
1078 )); | 1059 )); |
1079 } | 1060 } |
1080 | 1061 |
1081 SetupNumber(); | 1062 SetupNumber(); |
1082 | 1063 |
1083 | 1064 |
1084 | |
1085 // ---------------------------------------------------------------------------- | 1065 // ---------------------------------------------------------------------------- |
1086 // Function | 1066 // Function |
1087 | 1067 |
1088 $Function.prototype.constructor = $Function; | 1068 $Function.prototype.constructor = $Function; |
1089 | 1069 |
1090 function FunctionSourceString(func) { | 1070 function FunctionSourceString(func) { |
1091 if (!IS_FUNCTION(func)) { | 1071 if (!IS_FUNCTION(func)) { |
1092 throw new $TypeError('Function.prototype.toString is not generic'); | 1072 throw new $TypeError('Function.prototype.toString is not generic'); |
1093 } | 1073 } |
1094 | 1074 |
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1193 // ---------------------------------------------------------------------------- | 1173 // ---------------------------------------------------------------------------- |
1194 | 1174 |
1195 function SetupFunction() { | 1175 function SetupFunction() { |
1196 InstallFunctions($Function.prototype, DONT_ENUM, $Array( | 1176 InstallFunctions($Function.prototype, DONT_ENUM, $Array( |
1197 "bind", FunctionBind, | 1177 "bind", FunctionBind, |
1198 "toString", FunctionToString | 1178 "toString", FunctionToString |
1199 )); | 1179 )); |
1200 } | 1180 } |
1201 | 1181 |
1202 SetupFunction(); | 1182 SetupFunction(); |
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