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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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1109 #undef MAKE_STRUCT_CASE | 1109 #undef MAKE_STRUCT_CASE |
1110 StructBodyDescriptor::IterateBody(this, object_size, v); | 1110 StructBodyDescriptor::IterateBody(this, object_size, v); |
1111 break; | 1111 break; |
1112 default: | 1112 default: |
1113 PrintF("Unknown type: %d\n", type); | 1113 PrintF("Unknown type: %d\n", type); |
1114 UNREACHABLE(); | 1114 UNREACHABLE(); |
1115 } | 1115 } |
1116 } | 1116 } |
1117 | 1117 |
1118 | 1118 |
1119 void HeapObject::IterateStructBody(int object_size, ObjectVisitor* v) { | |
1120 IteratePointers(v, HeapObject::kHeaderSize, object_size); | |
1121 } | |
1122 | |
1123 | |
1124 Object* HeapNumber::HeapNumberToBoolean() { | 1119 Object* HeapNumber::HeapNumberToBoolean() { |
1125 // NaN, +0, and -0 should return the false object | 1120 // NaN, +0, and -0 should return the false object |
1126 #if __BYTE_ORDER == __LITTLE_ENDIAN | 1121 #if __BYTE_ORDER == __LITTLE_ENDIAN |
1127 union IeeeDoubleLittleEndianArchType u; | 1122 union IeeeDoubleLittleEndianArchType u; |
1128 #elif __BYTE_ORDER == __BIG_ENDIAN | 1123 #elif __BYTE_ORDER == __BIG_ENDIAN |
1129 union IeeeDoubleBigEndianArchType u; | 1124 union IeeeDoubleBigEndianArchType u; |
1130 #endif | 1125 #endif |
1131 u.d = value(); | 1126 u.d = value(); |
1132 if (u.bits.exp == 2047) { | 1127 if (u.bits.exp == 2047) { |
1133 // Detect NaN for IEEE double precision floating point. | 1128 // Detect NaN for IEEE double precision floating point. |
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8741 if (break_point_objects()->IsUndefined()) return 0; | 8736 if (break_point_objects()->IsUndefined()) return 0; |
8742 // Single beak point. | 8737 // Single beak point. |
8743 if (!break_point_objects()->IsFixedArray()) return 1; | 8738 if (!break_point_objects()->IsFixedArray()) return 1; |
8744 // Multiple break points. | 8739 // Multiple break points. |
8745 return FixedArray::cast(break_point_objects())->length(); | 8740 return FixedArray::cast(break_point_objects())->length(); |
8746 } | 8741 } |
8747 #endif | 8742 #endif |
8748 | 8743 |
8749 | 8744 |
8750 } } // namespace v8::internal | 8745 } } // namespace v8::internal |
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