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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // This files contains runtime support implemented in JavaScript. | 5 // This files contains runtime support implemented in JavaScript. |
6 | 6 |
7 // CAUTION: Some of the functions specified in this file are called | 7 // CAUTION: Some of the functions specified in this file are called |
8 // directly from compiled code. These are the functions with names in | 8 // directly from compiled code. These are the functions with names in |
9 // ALL CAPS. The compiled code passes the first argument in 'this'. | 9 // ALL CAPS. The compiled code passes the first argument in 'this'. |
10 | 10 |
(...skipping 85 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
96 // ECMA-262 Section 11.9.3. | 96 // ECMA-262 Section 11.9.3. |
97 EQUALS = function EQUALS(y) { | 97 EQUALS = function EQUALS(y) { |
98 if (IS_STRING(this) && IS_STRING(y)) return %StringEquals(this, y); | 98 if (IS_STRING(this) && IS_STRING(y)) return %StringEquals(this, y); |
99 var x = this; | 99 var x = this; |
100 | 100 |
101 while (true) { | 101 while (true) { |
102 if (IS_NUMBER(x)) { | 102 if (IS_NUMBER(x)) { |
103 while (true) { | 103 while (true) { |
104 if (IS_NUMBER(y)) return %NumberEquals(x, y); | 104 if (IS_NUMBER(y)) return %NumberEquals(x, y); |
105 if (IS_NULL_OR_UNDEFINED(y)) return 1; // not equal | 105 if (IS_NULL_OR_UNDEFINED(y)) return 1; // not equal |
106 if (IS_SYMBOL(y) || IS_FLOAT32X4(y)) return 1; // not equal | 106 if (IS_SYMBOL(y) || IS_SIMD_VALUE(y)) return 1; // not equal |
bbudge
2015/07/30 13:46:58
I moved these primitive checks which always return
rossberg
2015/07/30 15:12:24
Fine with me.
| |
107 if (!IS_SPEC_OBJECT(y)) { | 107 if (!IS_SPEC_OBJECT(y)) { |
108 // String or boolean. | 108 // String or boolean. |
109 return %NumberEquals(x, %$toNumber(y)); | 109 return %NumberEquals(x, %$toNumber(y)); |
110 } | 110 } |
111 y = %$toPrimitive(y, NO_HINT); | 111 y = %$toPrimitive(y, NO_HINT); |
112 } | 112 } |
113 } else if (IS_STRING(x)) { | 113 } else if (IS_STRING(x)) { |
114 while (true) { | 114 while (true) { |
115 if (IS_STRING(y)) return %StringEquals(x, y); | 115 if (IS_STRING(y)) return %StringEquals(x, y); |
116 if (IS_SYMBOL(y) || IS_FLOAT32X4(y)) return 1; // not equal | 116 if (IS_SYMBOL(y) || IS_SIMD_VALUE(y)) return 1; // not equal |
bbudge
2015/07/30 13:46:58
Made this %IsSimdValue call and moved it to the en
| |
117 if (IS_NUMBER(y)) return %NumberEquals(%$toNumber(x), y); | 117 if (IS_NUMBER(y)) return %NumberEquals(%$toNumber(x), y); |
118 if (IS_BOOLEAN(y)) return %NumberEquals(%$toNumber(x), %$toNumber(y)); | 118 if (IS_BOOLEAN(y)) return %NumberEquals(%$toNumber(x), %$toNumber(y)); |
119 if (IS_NULL_OR_UNDEFINED(y)) return 1; // not equal | 119 if (IS_NULL_OR_UNDEFINED(y)) return 1; // not equal |
120 y = %$toPrimitive(y, NO_HINT); | 120 y = %$toPrimitive(y, NO_HINT); |
121 } | 121 } |
122 } else if (IS_SYMBOL(x)) { | 122 } else if (IS_SYMBOL(x)) { |
123 if (IS_SYMBOL(y)) return %_ObjectEquals(x, y) ? 0 : 1; | 123 if (IS_SYMBOL(y)) return %_ObjectEquals(x, y) ? 0 : 1; |
124 return 1; // not equal | 124 return 1; // not equal |
125 } else if (IS_BOOLEAN(x)) { | 125 } else if (IS_BOOLEAN(x)) { |
126 if (IS_BOOLEAN(y)) return %_ObjectEquals(x, y) ? 0 : 1; | 126 if (IS_BOOLEAN(y)) return %_ObjectEquals(x, y) ? 0 : 1; |
127 if (IS_NULL_OR_UNDEFINED(y)) return 1; | 127 if (IS_NULL_OR_UNDEFINED(y)) return 1; |
128 if (IS_NUMBER(y)) return %NumberEquals(%$toNumber(x), y); | 128 if (IS_NUMBER(y)) return %NumberEquals(%$toNumber(x), y); |
129 if (IS_STRING(y)) return %NumberEquals(%$toNumber(x), %$toNumber(y)); | 129 if (IS_STRING(y)) return %NumberEquals(%$toNumber(x), %$toNumber(y)); |
130 if (IS_SYMBOL(y) || IS_FLOAT32X4(y)) return 1; // not equal | 130 if (IS_SYMBOL(y) || IS_SIMD_VALUE(y)) return 1; // not equal |
131 // y is object. | 131 // y is object. |
132 x = %$toNumber(x); | 132 x = %$toNumber(x); |
133 y = %$toPrimitive(y, NO_HINT); | 133 y = %$toPrimitive(y, NO_HINT); |
134 } else if (IS_NULL_OR_UNDEFINED(x)) { | 134 } else if (IS_NULL_OR_UNDEFINED(x)) { |
135 return IS_NULL_OR_UNDEFINED(y) ? 0 : 1; | 135 return IS_NULL_OR_UNDEFINED(y) ? 0 : 1; |
136 } else if (IS_FLOAT32X4(x)) { | 136 } else if (IS_FLOAT32X4(x)) { |
rossberg
2015/07/29 14:37:55
Guard these by a (cheaper) IS_SIMD_VALUE test.
bbudge
2015/07/30 13:46:58
Done. Using %IsSimdValue intrinsic. Also, moved al
| |
137 if (IS_FLOAT32X4(y)) | 137 if (IS_FLOAT32X4(y)) |
138 return %Float32x4Equals(x, y); | 138 return %Float32x4Equals(x, y); |
139 return 1; // not equal | 139 return 1; // not equal |
140 } else if (IS_INT32X4(x)) { | |
141 if (IS_INT32X4(y)) | |
142 return %Int32x4Equals(x, y); | |
143 return 1; // not equal | |
144 } else if (IS_BOOL32X4(x)) { | |
145 if (IS_BOOL32X4(y)) | |
146 return %Bool32x4Equals(x, y); | |
147 return 1; // not equal | |
148 } else if (IS_INT16X8(x)) { | |
149 if (IS_INT16X8(y)) | |
150 return %Int16x8Equals(x, y); | |
151 return 1; // not equal | |
152 } else if (IS_BOOL16X8(x)) { | |
153 if (IS_BOOL16X8(y)) | |
154 return %Bool16x8Equals(x, y); | |
155 return 1; // not equal | |
156 } else if (IS_INT8X16(x)) { | |
157 if (IS_INT8X16(y)) | |
158 return %Int8x16Equals(x, y); | |
159 return 1; // not equal | |
160 } else if (IS_BOOL8X16(x)) { | |
161 if (IS_BOOL8X16(y)) | |
162 return %Bool8x16Equals(x, y); | |
163 return 1; // not equal | |
140 } else { | 164 } else { |
141 // x is an object. | 165 // x is an object. |
142 if (IS_SPEC_OBJECT(y)) { | 166 if (IS_SPEC_OBJECT(y)) { |
143 return %_ObjectEquals(x, y) ? 0 : 1; | 167 return %_ObjectEquals(x, y) ? 0 : 1; |
144 } | 168 } |
145 if (IS_NULL_OR_UNDEFINED(y)) return 1; // not equal | 169 if (IS_NULL_OR_UNDEFINED(y)) return 1; // not equal |
146 if (IS_SYMBOL(y) || IS_FLOAT32X4(y)) return 1; // not equal | 170 if (IS_SYMBOL(y) || IS_SIMD_VALUE(y)) return 1; // not equal |
bbudge
2015/07/30 13:46:58
Moved this to after the IS_BOOLEAN case.
| |
147 if (IS_BOOLEAN(y)) y = %$toNumber(y); | 171 if (IS_BOOLEAN(y)) y = %$toNumber(y); |
148 x = %$toPrimitive(x, NO_HINT); | 172 x = %$toPrimitive(x, NO_HINT); |
149 } | 173 } |
150 } | 174 } |
151 } | 175 } |
152 | 176 |
153 // ECMA-262, section 11.9.4, page 56. | 177 // ECMA-262, section 11.9.4, page 56. |
154 STRICT_EQUALS = function STRICT_EQUALS(x) { | 178 STRICT_EQUALS = function STRICT_EQUALS(x) { |
155 if (IS_STRING(this)) { | 179 if (IS_STRING(this)) { |
156 if (!IS_STRING(x)) return 1; // not equal | 180 if (!IS_STRING(x)) return 1; // not equal |
157 return %StringEquals(this, x); | 181 return %StringEquals(this, x); |
158 } | 182 } |
159 | 183 |
160 if (IS_NUMBER(this)) { | 184 if (IS_NUMBER(this)) { |
161 if (!IS_NUMBER(x)) return 1; // not equal | 185 if (!IS_NUMBER(x)) return 1; // not equal |
162 return %NumberEquals(this, x); | 186 return %NumberEquals(this, x); |
163 } | 187 } |
164 | 188 |
165 if (IS_FLOAT32X4(this) && IS_FLOAT32X4(x)) | 189 if (IS_FLOAT32X4(this) && IS_FLOAT32X4(x)) |
rossberg
2015/07/29 14:37:55
Same here.
bbudge
2015/07/30 13:46:58
Done.
| |
166 return %Float32x4Equals(this, x); | 190 return %Float32x4Equals(this, x); |
191 if (IS_INT32X4(this) && IS_INT32X4(x)) | |
192 return %Int32x4Equals(this, x); | |
193 if (IS_BOOL32X4(this) && IS_BOOL32X4(x)) | |
194 return %Bool32x4Equals(this, x); | |
195 if (IS_INT16X8(this) && IS_INT16X8(x)) | |
196 return %Int16x8Equals(this, x); | |
197 if (IS_BOOL16X8(this) && IS_BOOL16X8(x)) | |
198 return %Bool16x8Equals(this, x); | |
199 if (IS_INT8X16(this) && IS_INT8X16(x)) | |
200 return %Int8x16Equals(this, x); | |
201 if (IS_BOOL8X16(this) && IS_BOOL8X16(x)) | |
202 return %Bool8x16Equals(this, x); | |
167 | 203 |
168 // If anything else gets here, we just do simple identity check. | 204 // If anything else gets here, we just do simple identity check. |
169 // Objects (including functions), null, undefined and booleans were | 205 // Objects (including functions), null, undefined and booleans were |
170 // checked in the CompareStub, so there should be nothing left. | 206 // checked in the CompareStub, so there should be nothing left. |
171 return %_ObjectEquals(this, x) ? 0 : 1; | 207 return %_ObjectEquals(this, x) ? 0 : 1; |
172 } | 208 } |
173 | 209 |
174 | 210 |
175 // ECMA-262, section 11.8.5, page 53. The 'ncr' parameter is used as | 211 // ECMA-262, section 11.8.5, page 53. The 'ncr' parameter is used as |
176 // the result when either (or both) the operands are NaN. | 212 // the result when either (or both) the operands are NaN. |
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760 */ | 796 */ |
761 | 797 |
762 // ECMA-262, section 9.1, page 30. Use null/undefined for no hint, | 798 // ECMA-262, section 9.1, page 30. Use null/undefined for no hint, |
763 // (1) for number hint, and (2) for string hint. | 799 // (1) for number hint, and (2) for string hint. |
764 function ToPrimitive(x, hint) { | 800 function ToPrimitive(x, hint) { |
765 // Fast case check. | 801 // Fast case check. |
766 if (IS_STRING(x)) return x; | 802 if (IS_STRING(x)) return x; |
767 // Normal behavior. | 803 // Normal behavior. |
768 if (!IS_SPEC_OBJECT(x)) return x; | 804 if (!IS_SPEC_OBJECT(x)) return x; |
769 if (IS_SYMBOL_WRAPPER(x)) throw MakeTypeError(kSymbolToPrimitive); | 805 if (IS_SYMBOL_WRAPPER(x)) throw MakeTypeError(kSymbolToPrimitive); |
770 if (IS_FLOAT32X4(x)) return x; | 806 if (IS_SIMD_VALUE(x)) return x; |
771 if (hint == NO_HINT) hint = (IS_DATE(x)) ? STRING_HINT : NUMBER_HINT; | 807 if (hint == NO_HINT) hint = (IS_DATE(x)) ? STRING_HINT : NUMBER_HINT; |
772 return (hint == NUMBER_HINT) ? DefaultNumber(x) : DefaultString(x); | 808 return (hint == NUMBER_HINT) ? DefaultNumber(x) : DefaultString(x); |
773 } | 809 } |
774 | 810 |
775 | 811 |
776 // ECMA-262, section 9.2, page 30 | 812 // ECMA-262, section 9.2, page 30 |
777 function ToBoolean(x) { | 813 function ToBoolean(x) { |
778 if (IS_BOOLEAN(x)) return x; | 814 if (IS_BOOLEAN(x)) return x; |
779 if (IS_STRING(x)) return x.length != 0; | 815 if (IS_STRING(x)) return x.length != 0; |
780 if (x == null) return false; | 816 if (x == null) return false; |
781 if (IS_NUMBER(x)) return !((x == 0) || NUMBER_IS_NAN(x)); | 817 if (IS_NUMBER(x)) return !((x == 0) || NUMBER_IS_NAN(x)); |
782 return true; | 818 return true; |
783 } | 819 } |
784 | 820 |
785 | 821 |
786 // ECMA-262, section 9.3, page 31. | 822 // ECMA-262, section 9.3, page 31. |
787 function ToNumber(x) { | 823 function ToNumber(x) { |
788 if (IS_NUMBER(x)) return x; | 824 if (IS_NUMBER(x)) return x; |
789 if (IS_STRING(x)) { | 825 if (IS_STRING(x)) { |
790 return %_HasCachedArrayIndex(x) ? %_GetCachedArrayIndex(x) | 826 return %_HasCachedArrayIndex(x) ? %_GetCachedArrayIndex(x) |
791 : %StringToNumber(x); | 827 : %StringToNumber(x); |
792 } | 828 } |
793 if (IS_BOOLEAN(x)) return x ? 1 : 0; | 829 if (IS_BOOLEAN(x)) return x ? 1 : 0; |
794 if (IS_UNDEFINED(x)) return NAN; | 830 if (IS_UNDEFINED(x)) return NAN; |
795 if (IS_SYMBOL(x)) throw MakeTypeError(kSymbolToNumber); | 831 // Types that can't be converted to number are caught in DefaultNumber. |
796 if (IS_FLOAT32X4(x)) throw MakeTypeError(kSimdToNumber); | |
797 return (IS_NULL(x)) ? 0 : ToNumber(DefaultNumber(x)); | 832 return (IS_NULL(x)) ? 0 : ToNumber(DefaultNumber(x)); |
798 } | 833 } |
799 | 834 |
800 function NonNumberToNumber(x) { | 835 function NonNumberToNumber(x) { |
801 if (IS_STRING(x)) { | 836 if (IS_STRING(x)) { |
802 return %_HasCachedArrayIndex(x) ? %_GetCachedArrayIndex(x) | 837 return %_HasCachedArrayIndex(x) ? %_GetCachedArrayIndex(x) |
803 : %StringToNumber(x); | 838 : %StringToNumber(x); |
804 } | 839 } |
805 if (IS_BOOLEAN(x)) return x ? 1 : 0; | 840 if (IS_BOOLEAN(x)) return x ? 1 : 0; |
806 if (IS_UNDEFINED(x)) return NAN; | 841 if (IS_UNDEFINED(x)) return NAN; |
807 if (IS_SYMBOL(x)) throw MakeTypeError(kSymbolToNumber); | 842 // Types that can't be converted to number are caught in DefaultNumber. |
808 if (IS_FLOAT32X4(x)) throw MakeTypeError(kSimdToNumber); | |
809 return (IS_NULL(x)) ? 0 : ToNumber(DefaultNumber(x)); | 843 return (IS_NULL(x)) ? 0 : ToNumber(DefaultNumber(x)); |
810 } | 844 } |
811 | 845 |
812 | 846 |
813 // ECMA-262, section 9.8, page 35. | 847 // ECMA-262, section 9.8, page 35. |
814 function ToString(x) { | 848 function ToString(x) { |
815 if (IS_STRING(x)) return x; | 849 if (IS_STRING(x)) return x; |
816 if (IS_NUMBER(x)) return %_NumberToString(x); | 850 if (IS_NUMBER(x)) return %_NumberToString(x); |
817 if (IS_BOOLEAN(x)) return x ? 'true' : 'false'; | 851 if (IS_BOOLEAN(x)) return x ? 'true' : 'false'; |
818 if (IS_UNDEFINED(x)) return 'undefined'; | 852 if (IS_UNDEFINED(x)) return 'undefined'; |
(...skipping 16 matching lines...) Expand all Loading... | |
835 } | 869 } |
836 | 870 |
837 | 871 |
838 // ECMA-262, section 9.9, page 36. | 872 // ECMA-262, section 9.9, page 36. |
839 function ToObject(x) { | 873 function ToObject(x) { |
840 if (IS_STRING(x)) return new GlobalString(x); | 874 if (IS_STRING(x)) return new GlobalString(x); |
841 if (IS_NUMBER(x)) return new GlobalNumber(x); | 875 if (IS_NUMBER(x)) return new GlobalNumber(x); |
842 if (IS_BOOLEAN(x)) return new GlobalBoolean(x); | 876 if (IS_BOOLEAN(x)) return new GlobalBoolean(x); |
843 if (IS_SYMBOL(x)) return %NewSymbolWrapper(x); | 877 if (IS_SYMBOL(x)) return %NewSymbolWrapper(x); |
844 if (IS_FLOAT32X4(x)) return %NewFloat32x4Wrapper(x); | 878 if (IS_FLOAT32X4(x)) return %NewFloat32x4Wrapper(x); |
879 if (IS_INT32X4(x)) return %NewInt32x4Wrapper(x); | |
880 if (IS_BOOL32X4(x)) return %NewBool32x4Wrapper(x); | |
881 if (IS_INT16X8(x)) return %NewInt16x8Wrapper(x); | |
882 if (IS_BOOL16X8(x)) return %NewBool16x8Wrapper(x); | |
883 if (IS_INT8X16(x)) return %NewInt8x16Wrapper(x); | |
884 if (IS_BOOL8X16(x)) return %NewBool8x16Wrapper(x); | |
bbudge
2015/07/30 13:46:58
Did the same thing here too, with the %IsSimdValue
| |
845 if (IS_NULL_OR_UNDEFINED(x) && !IS_UNDETECTABLE(x)) { | 885 if (IS_NULL_OR_UNDEFINED(x) && !IS_UNDETECTABLE(x)) { |
846 throw MakeTypeError(kUndefinedOrNullToObject); | 886 throw MakeTypeError(kUndefinedOrNullToObject); |
847 } | 887 } |
848 return x; | 888 return x; |
849 } | 889 } |
850 | 890 |
851 | 891 |
852 // ECMA-262, section 9.4, page 34. | 892 // ECMA-262, section 9.4, page 34. |
853 function ToInteger(x) { | 893 function ToInteger(x) { |
854 if (%_IsSmi(x)) return x; | 894 if (%_IsSmi(x)) return x; |
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882 // ES5, section 9.12 | 922 // ES5, section 9.12 |
883 function SameValue(x, y) { | 923 function SameValue(x, y) { |
884 if (typeof x != typeof y) return false; | 924 if (typeof x != typeof y) return false; |
885 if (IS_NUMBER(x)) { | 925 if (IS_NUMBER(x)) { |
886 if (NUMBER_IS_NAN(x) && NUMBER_IS_NAN(y)) return true; | 926 if (NUMBER_IS_NAN(x) && NUMBER_IS_NAN(y)) return true; |
887 // x is +0 and y is -0 or vice versa. | 927 // x is +0 and y is -0 or vice versa. |
888 if (x === 0 && y === 0 && %_IsMinusZero(x) != %_IsMinusZero(y)) { | 928 if (x === 0 && y === 0 && %_IsMinusZero(x) != %_IsMinusZero(y)) { |
889 return false; | 929 return false; |
890 } | 930 } |
891 } | 931 } |
892 if (IS_FLOAT32X4(x)) { | 932 if (IS_FLOAT32X4(x)) return %Float32x4SameValue(x, y); |
rossberg
2015/07/29 14:37:55
And here.
bbudge
2015/07/30 13:46:58
Done.
| |
893 return %Float32x4SameValue(x, y); | 933 if (IS_INT32X4(x)) return %Int32x4SameValue(x, y); |
894 } | 934 if (IS_BOOL32X4(x)) return %Bool32x4SameValue(x, y); |
935 if (IS_INT16X8(x)) return %Int16x8SameValue(x, y); | |
936 if (IS_BOOL16X8(x)) return %Bool16x8SameValue(x, y); | |
937 if (IS_INT8X16(x)) return %Int8x16SameValue(x, y); | |
938 if (IS_BOOL8X16(x)) return %Bool8x16SameValue(x, y); | |
895 return x === y; | 939 return x === y; |
896 } | 940 } |
897 | 941 |
898 | 942 |
899 // ES6, section 7.2.4 | 943 // ES6, section 7.2.4 |
900 function SameValueZero(x, y) { | 944 function SameValueZero(x, y) { |
901 if (typeof x != typeof y) return false; | 945 if (typeof x != typeof y) return false; |
902 if (IS_NUMBER(x)) { | 946 if (IS_NUMBER(x)) { |
903 if (NUMBER_IS_NAN(x) && NUMBER_IS_NAN(y)) return true; | 947 if (NUMBER_IS_NAN(x) && NUMBER_IS_NAN(y)) return true; |
904 } | 948 } |
905 if (IS_FLOAT32X4(x)) { | 949 if (IS_FLOAT32X4(x)) return %Float32x4SameValueZero(x, y); |
rossberg
2015/07/29 14:37:56
And here.
bbudge
2015/07/30 13:46:58
Done.
| |
906 return %Float32x4SameValueZero(x, y); | 950 if (IS_INT32X4(x)) return %Int32x4SameValueZero(x, y); |
907 } | 951 if (IS_BOOL32X4(x)) return %Bool32x4SameValueZero(x, y); |
952 if (IS_INT16X8(x)) return %Int16x8SameValueZero(x, y); | |
953 if (IS_BOOL16X8(x)) return %Bool16x8SameValueZero(x, y); | |
954 if (IS_INT8X16(x)) return %Int8x16SameValueZero(x, y); | |
955 if (IS_BOOL8X16(x)) return %Bool8x16SameValueZero(x, y); | |
908 return x === y; | 956 return x === y; |
909 } | 957 } |
910 | 958 |
911 | 959 |
912 function ConcatIterableToArray(target, iterable) { | 960 function ConcatIterableToArray(target, iterable) { |
913 var index = target.length; | 961 var index = target.length; |
914 for (var element of iterable) { | 962 for (var element of iterable) { |
915 %AddElement(target, index++, element); | 963 %AddElement(target, index++, element); |
916 } | 964 } |
917 return target; | 965 return target; |
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937 function IsConcatSpreadable(O) { | 985 function IsConcatSpreadable(O) { |
938 if (!IS_SPEC_OBJECT(O)) return false; | 986 if (!IS_SPEC_OBJECT(O)) return false; |
939 var spreadable = O[symbolIsConcatSpreadable]; | 987 var spreadable = O[symbolIsConcatSpreadable]; |
940 if (IS_UNDEFINED(spreadable)) return IS_ARRAY(O); | 988 if (IS_UNDEFINED(spreadable)) return IS_ARRAY(O); |
941 return ToBoolean(spreadable); | 989 return ToBoolean(spreadable); |
942 } | 990 } |
943 | 991 |
944 | 992 |
945 // ECMA-262, section 8.6.2.6, page 28. | 993 // ECMA-262, section 8.6.2.6, page 28. |
946 function DefaultNumber(x) { | 994 function DefaultNumber(x) { |
947 if (!IS_SYMBOL_WRAPPER(x) && !IS_FLOAT32X4_WRAPPER(x)) { | 995 var valueOf = x.valueOf; |
948 var valueOf = x.valueOf; | 996 if (IS_SPEC_FUNCTION(valueOf)) { |
949 if (IS_SPEC_FUNCTION(valueOf)) { | 997 var v = %_CallFunction(x, valueOf); |
950 var v = %_CallFunction(x, valueOf); | 998 if (IS_SYMBOL(v)) throw MakeTypeError(kSymbolToNumber); |
951 if (IsPrimitive(v)) return v; | 999 if (IS_SIMD_VALUE(x)) throw MakeTypeError(kSimdToNumber); |
952 } | 1000 if (IsPrimitive(v)) return v; |
953 | 1001 } |
954 var toString = x.toString; | 1002 var toString = x.toString; |
955 if (IS_SPEC_FUNCTION(toString)) { | 1003 if (IS_SPEC_FUNCTION(toString)) { |
956 var s = %_CallFunction(x, toString); | 1004 var s = %_CallFunction(x, toString); |
957 if (IsPrimitive(s)) return s; | 1005 if (IsPrimitive(s)) return s; |
958 } | |
959 } | 1006 } |
960 throw MakeTypeError(kCannotConvertToPrimitive); | 1007 throw MakeTypeError(kCannotConvertToPrimitive); |
961 } | 1008 } |
962 | 1009 |
963 // ECMA-262, section 8.6.2.6, page 28. | 1010 // ECMA-262, section 8.6.2.6, page 28. |
964 function DefaultString(x) { | 1011 function DefaultString(x) { |
965 if (!IS_SYMBOL_WRAPPER(x)) { | 1012 if (!IS_SYMBOL_WRAPPER(x)) { |
966 var toString = x.toString; | 1013 var toString = x.toString; |
967 if (IS_SPEC_FUNCTION(toString)) { | 1014 if (IS_SPEC_FUNCTION(toString)) { |
968 var s = %_CallFunction(x, toString); | 1015 var s = %_CallFunction(x, toString); |
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1009 $toLength = ToLength; | 1056 $toLength = ToLength; |
1010 $toName = ToName; | 1057 $toName = ToName; |
1011 $toNumber = ToNumber; | 1058 $toNumber = ToNumber; |
1012 $toObject = ToObject; | 1059 $toObject = ToObject; |
1013 $toPositiveInteger = ToPositiveInteger; | 1060 $toPositiveInteger = ToPositiveInteger; |
1014 $toPrimitive = ToPrimitive; | 1061 $toPrimitive = ToPrimitive; |
1015 $toString = ToString; | 1062 $toString = ToString; |
1016 $toUint32 = ToUint32; | 1063 $toUint32 = ToUint32; |
1017 | 1064 |
1018 }) | 1065 }) |
OLD | NEW |