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1 # Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 # Copyright 2006-2009 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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113 macro FLOOR(arg) = $floor(arg); | 113 macro FLOOR(arg) = $floor(arg); |
114 | 114 |
115 # Macro for ECMAScript 5 queries of the type: | 115 # Macro for ECMAScript 5 queries of the type: |
116 # "Type(O) is object." | 116 # "Type(O) is object." |
117 # This is the same as being either a function or an object in V8 terminology. | 117 # This is the same as being either a function or an object in V8 terminology. |
118 macro IS_SPEC_OBJECT_OR_NULL(arg) = (%_IsObject(arg) || %_IsFunction(arg)); | 118 macro IS_SPEC_OBJECT_OR_NULL(arg) = (%_IsObject(arg) || %_IsFunction(arg)); |
119 | 119 |
120 # Inline macros. Use %IS_VAR to make sure arg is evaluated only once. | 120 # Inline macros. Use %IS_VAR to make sure arg is evaluated only once. |
121 macro NUMBER_IS_NAN(arg) = (!%_IsSmi(%IS_VAR(arg)) && !(arg == arg)); | 121 macro NUMBER_IS_NAN(arg) = (!%_IsSmi(%IS_VAR(arg)) && !(arg == arg)); |
122 macro TO_INTEGER(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : ToInteger(arg)); | 122 macro TO_INTEGER(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : ToInteger(arg)); |
| 123 macro TO_INTEGER_MAP_MINUS_ZERO(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : %NumberToI
ntegerMapMinusZero(ToNumber(arg))); |
123 macro TO_INT32(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : (arg >> 0)); | 124 macro TO_INT32(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : (arg >> 0)); |
124 macro TO_UINT32(arg) = (arg >>> 0); | 125 macro TO_UINT32(arg) = (arg >>> 0); |
125 macro TO_STRING_INLINE(arg) = (IS_STRING(%IS_VAR(arg)) ? arg : NonStringToString
(arg)); | 126 macro TO_STRING_INLINE(arg) = (IS_STRING(%IS_VAR(arg)) ? arg : NonStringToString
(arg)); |
126 | 127 |
127 | 128 |
128 # Macros implemented in Python. | 129 # Macros implemented in Python. |
129 python macro CHAR_CODE(str) = ord(str[1]); | 130 python macro CHAR_CODE(str) = ord(str[1]); |
130 | 131 |
131 # Constants used on an array to implement the properties of the RegExp object. | 132 # Constants used on an array to implement the properties of the RegExp object. |
132 const REGEXP_NUMBER_OF_CAPTURES = 0; | 133 const REGEXP_NUMBER_OF_CAPTURES = 0; |
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162 | 163 |
163 # PropertyDescriptor return value indices - must match | 164 # PropertyDescriptor return value indices - must match |
164 # PropertyDescriptorIndices in runtime.cc. | 165 # PropertyDescriptorIndices in runtime.cc. |
165 const IS_ACCESSOR_INDEX = 0; | 166 const IS_ACCESSOR_INDEX = 0; |
166 const VALUE_INDEX = 1; | 167 const VALUE_INDEX = 1; |
167 const GETTER_INDEX = 2; | 168 const GETTER_INDEX = 2; |
168 const SETTER_INDEX = 3; | 169 const SETTER_INDEX = 3; |
169 const WRITABLE_INDEX = 4; | 170 const WRITABLE_INDEX = 4; |
170 const ENUMERABLE_INDEX = 5; | 171 const ENUMERABLE_INDEX = 5; |
171 const CONFIGURABLE_INDEX = 6; | 172 const CONFIGURABLE_INDEX = 6; |
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