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Issue 2877018: Refactor type checks in v8natives.js and runtime.js.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years, 5 months ago
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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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108 macro IS_ERROR(arg) = (%_ClassOf(arg) === 'Error'); 108 macro IS_ERROR(arg) = (%_ClassOf(arg) === 'Error');
109 macro IS_SCRIPT(arg) = (%_ClassOf(arg) === 'Script'); 109 macro IS_SCRIPT(arg) = (%_ClassOf(arg) === 'Script');
110 macro IS_ARGUMENTS(arg) = (%_ClassOf(arg) === 'Arguments'); 110 macro IS_ARGUMENTS(arg) = (%_ClassOf(arg) === 'Arguments');
111 macro IS_GLOBAL(arg) = (%_ClassOf(arg) === 'global'); 111 macro IS_GLOBAL(arg) = (%_ClassOf(arg) === 'global');
112 macro IS_UNDETECTABLE(arg) = (%_IsUndetectableObject(arg)); 112 macro IS_UNDETECTABLE(arg) = (%_IsUndetectableObject(arg));
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 # In addition, an undetectable object is also included by this.
119 macro IS_SPEC_OBJECT(arg) = (%_IsSpecObject(arg));
119 120
120 # Inline macros. Use %IS_VAR to make sure arg is evaluated only once. 121 # 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)); 122 macro NUMBER_IS_NAN(arg) = (!%_IsSmi(%IS_VAR(arg)) && !(arg == arg));
122 macro TO_INTEGER(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : ToInteger(arg)); 123 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))); 124 macro TO_INTEGER_MAP_MINUS_ZERO(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : %NumberToI ntegerMapMinusZero(ToNumber(arg)));
124 macro TO_INT32(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : (arg >> 0)); 125 macro TO_INT32(arg) = (%_IsSmi(%IS_VAR(arg)) ? arg : (arg >> 0));
125 macro TO_UINT32(arg) = (arg >>> 0); 126 macro TO_UINT32(arg) = (arg >>> 0);
126 macro TO_STRING_INLINE(arg) = (IS_STRING(%IS_VAR(arg)) ? arg : NonStringToString (arg)); 127 macro TO_STRING_INLINE(arg) = (IS_STRING(%IS_VAR(arg)) ? arg : NonStringToString (arg));
127 128
128 129
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167 168
168 # PropertyDescriptor return value indices - must match 169 # PropertyDescriptor return value indices - must match
169 # PropertyDescriptorIndices in runtime.cc. 170 # PropertyDescriptorIndices in runtime.cc.
170 const IS_ACCESSOR_INDEX = 0; 171 const IS_ACCESSOR_INDEX = 0;
171 const VALUE_INDEX = 1; 172 const VALUE_INDEX = 1;
172 const GETTER_INDEX = 2; 173 const GETTER_INDEX = 2;
173 const SETTER_INDEX = 3; 174 const SETTER_INDEX = 3;
174 const WRITABLE_INDEX = 4; 175 const WRITABLE_INDEX = 4;
175 const ENUMERABLE_INDEX = 5; 176 const ENUMERABLE_INDEX = 5;
176 const CONFIGURABLE_INDEX = 6; 177 const CONFIGURABLE_INDEX = 6;
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