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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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109 macro IS_WEAKMAP(arg) = (%_ClassOf(arg) === 'WeakMap'); | 109 macro IS_WEAKMAP(arg) = (%_ClassOf(arg) === 'WeakMap'); |
110 macro IS_DATE(arg) = (%_ClassOf(arg) === 'Date'); | 110 macro IS_DATE(arg) = (%_ClassOf(arg) === 'Date'); |
111 macro IS_NUMBER_WRAPPER(arg) = (%_ClassOf(arg) === 'Number'); | 111 macro IS_NUMBER_WRAPPER(arg) = (%_ClassOf(arg) === 'Number'); |
112 macro IS_STRING_WRAPPER(arg) = (%_ClassOf(arg) === 'String'); | 112 macro IS_STRING_WRAPPER(arg) = (%_ClassOf(arg) === 'String'); |
113 macro IS_SYMBOL_WRAPPER(arg) = (%_ClassOf(arg) === 'Symbol'); | 113 macro IS_SYMBOL_WRAPPER(arg) = (%_ClassOf(arg) === 'Symbol'); |
114 macro IS_BOOLEAN_WRAPPER(arg) = (%_ClassOf(arg) === 'Boolean'); | 114 macro IS_BOOLEAN_WRAPPER(arg) = (%_ClassOf(arg) === 'Boolean'); |
115 macro IS_ERROR(arg) = (%_ClassOf(arg) === 'Error'); | 115 macro IS_ERROR(arg) = (%_ClassOf(arg) === 'Error'); |
116 macro IS_SCRIPT(arg) = (%_ClassOf(arg) === 'Script'); | 116 macro IS_SCRIPT(arg) = (%_ClassOf(arg) === 'Script'); |
117 macro IS_ARGUMENTS(arg) = (%_ClassOf(arg) === 'Arguments'); | 117 macro IS_ARGUMENTS(arg) = (%_ClassOf(arg) === 'Arguments'); |
118 macro IS_GLOBAL(arg) = (%_ClassOf(arg) === 'global'); | 118 macro IS_GLOBAL(arg) = (%_ClassOf(arg) === 'global'); |
| 119 macro IS_ARRAYBUFFER(arg) = (%_ClassOf(arg) === '__ArrayBuffer'); |
119 macro IS_UNDETECTABLE(arg) = (%_IsUndetectableObject(arg)); | 120 macro IS_UNDETECTABLE(arg) = (%_IsUndetectableObject(arg)); |
120 macro FLOOR(arg) = $floor(arg); | 121 macro FLOOR(arg) = $floor(arg); |
121 | 122 |
122 # Macro for ECMAScript 5 queries of the type: | 123 # Macro for ECMAScript 5 queries of the type: |
123 # "Type(O) is object." | 124 # "Type(O) is object." |
124 # This is the same as being either a function or an object in V8 terminology | 125 # This is the same as being either a function or an object in V8 terminology |
125 # (including proxies). | 126 # (including proxies). |
126 # In addition, an undetectable object is also included by this. | 127 # In addition, an undetectable object is also included by this. |
127 macro IS_SPEC_OBJECT(arg) = (%_IsSpecObject(arg)); | 128 macro IS_SPEC_OBJECT(arg) = (%_IsSpecObject(arg)); |
128 | 129 |
129 # Macro for ECMAScript 5 queries of the type: | 130 # Macro for ECMAScript 5 queries of the type: |
130 # "IsCallable(O)" | 131 # "IsCallable(O)" |
131 # We assume here that this is the same as being either a function or a function | 132 # We assume here that this is the same as being either a function or a function |
132 # proxy. That ignores host objects with [[Call]] methods, but in most situations | 133 # proxy. That ignores host objects with [[Call]] methods, but in most situations |
133 # we cannot handle those anyway. | 134 # we cannot handle those anyway. |
134 macro IS_SPEC_FUNCTION(arg) = (%_ClassOf(arg) === 'Function'); | 135 macro IS_SPEC_FUNCTION(arg) = (%_ClassOf(arg) === 'Function'); |
135 | 136 |
136 # Indices in bound function info retrieved by %BoundFunctionGetBindings(...). | 137 # Indices in bound function info retrieved by %BoundFunctionGetBindings(...). |
137 const kBoundFunctionIndex = 0; | 138 const kBoundFunctionIndex = 0; |
138 const kBoundThisIndex = 1; | 139 const kBoundThisIndex = 1; |
139 const kBoundArgumentsStartIndex = 2; | 140 const kBoundArgumentsStartIndex = 2; |
140 | 141 |
141 # Inline macros. Use %IS_VAR to make sure arg is evaluated only once. | 142 # Inline macros. Use %IS_VAR to make sure arg is evaluated only once. |
142 macro NUMBER_IS_NAN(arg) = (!%_IsSmi(%IS_VAR(arg)) && !(arg == arg)); | 143 macro NUMBER_IS_NAN(arg) = (!%_IsSmi(%IS_VAR(arg)) && !(arg == arg)); |
143 macro NUMBER_IS_FINITE(arg) = (%_IsSmi(%IS_VAR(arg)) || ((arg == arg) && (arg !=
1/0) && (arg != -1/0))); | 144 macro NUMBER_IS_FINITE(arg) = (%_IsSmi(%IS_VAR(arg)) || ((arg == arg) && (arg !=
1/0) && (arg != -1/0))); |
144 macro TO_INTEGER(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : %NumberToInteger(ToNumber
(arg))); | 145 macro TO_INTEGER(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : %NumberToInteger(ToNumber
(arg))); |
| 146 macro TO_POSITIVE_INTEGER(arg) = (%_IsSmi(%IS_VAR(arg)) ? (arg > 0 ? arg : 0) :
%NumberToPositiveInteger(ToNumber(arg))); |
145 macro TO_INTEGER_MAP_MINUS_ZERO(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : %NumberToI
ntegerMapMinusZero(ToNumber(arg))); | 147 macro TO_INTEGER_MAP_MINUS_ZERO(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : %NumberToI
ntegerMapMinusZero(ToNumber(arg))); |
146 macro TO_INT32(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : (arg >> 0)); | 148 macro TO_INT32(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : (arg >> 0)); |
147 macro TO_UINT32(arg) = (arg >>> 0); | 149 macro TO_UINT32(arg) = (arg >>> 0); |
148 macro TO_STRING_INLINE(arg) = (IS_STRING(%IS_VAR(arg)) ? arg : NonStringToString
(arg)); | 150 macro TO_STRING_INLINE(arg) = (IS_STRING(%IS_VAR(arg)) ? arg : NonStringToString
(arg)); |
149 macro TO_NUMBER_INLINE(arg) = (IS_NUMBER(%IS_VAR(arg)) ? arg : NonNumberToNumber
(arg)); | 151 macro TO_NUMBER_INLINE(arg) = (IS_NUMBER(%IS_VAR(arg)) ? arg : NonNumberToNumber
(arg)); |
150 macro TO_OBJECT_INLINE(arg) = (IS_SPEC_OBJECT(%IS_VAR(arg)) ? arg : ToObject(arg
)); | 152 macro TO_OBJECT_INLINE(arg) = (IS_SPEC_OBJECT(%IS_VAR(arg)) ? arg : ToObject(arg
)); |
151 macro JSON_NUMBER_TO_STRING(arg) = ((%_IsSmi(%IS_VAR(arg)) || arg - arg == 0) ?
%_NumberToString(arg) : "null"); | 153 macro JSON_NUMBER_TO_STRING(arg) = ((%_IsSmi(%IS_VAR(arg)) || arg - arg == 0) ?
%_NumberToString(arg) : "null"); |
152 | 154 |
153 # Macros implemented in Python. | 155 # Macros implemented in Python. |
154 python macro CHAR_CODE(str) = ord(str[1]); | 156 python macro CHAR_CODE(str) = ord(str[1]); |
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234 const TYPE_EXTENSION = 1; | 236 const TYPE_EXTENSION = 1; |
235 const TYPE_NORMAL = 2; | 237 const TYPE_NORMAL = 2; |
236 | 238 |
237 # Matches Script::CompilationType from objects.h | 239 # Matches Script::CompilationType from objects.h |
238 const COMPILATION_TYPE_HOST = 0; | 240 const COMPILATION_TYPE_HOST = 0; |
239 const COMPILATION_TYPE_EVAL = 1; | 241 const COMPILATION_TYPE_EVAL = 1; |
240 const COMPILATION_TYPE_JSON = 2; | 242 const COMPILATION_TYPE_JSON = 2; |
241 | 243 |
242 # Matches Messages::kNoLineNumberInfo from v8.h | 244 # Matches Messages::kNoLineNumberInfo from v8.h |
243 const kNoLineNumberInfo = 0; | 245 const kNoLineNumberInfo = 0; |
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