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Issue 225823003: Implement handlified String::Equals and Name::Equals. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: refactored StringToDouble Created 6 years, 8 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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73 JSObject*, 73 JSObject*,
74 Object* value, 74 Object* value,
75 void*) { 75 void*) {
76 // According to ECMA-262, section 8.6.2.2, page 28, setting 76 // According to ECMA-262, section 8.6.2.2, page 28, setting
77 // read-only properties must be silently ignored. 77 // read-only properties must be silently ignored.
78 return value; 78 return value;
79 } 79 }
80 80
81 81
82 static V8_INLINE bool CheckForName(Handle<String> name, 82 static V8_INLINE bool CheckForName(Handle<String> name,
83 String* property_name, 83 Handle<String> property_name,
84 int offset, 84 int offset,
85 int* object_offset) { 85 int* object_offset) {
86 if (name->Equals(property_name)) { 86 if (String::Equals(name, property_name)) {
87 *object_offset = offset; 87 *object_offset = offset;
88 return true; 88 return true;
89 } 89 }
90 return false; 90 return false;
91 } 91 }
92 92
93 93
94 // Returns true for properties that are accessors to object fields. 94 // Returns true for properties that are accessors to object fields.
95 // If true, *object_offset contains offset of object field. 95 // If true, *object_offset contains offset of object field.
96 template <class T> 96 template <class T>
97 bool Accessors::IsJSObjectFieldAccessor(typename T::TypeHandle type, 97 bool Accessors::IsJSObjectFieldAccessor(typename T::TypeHandle type,
98 Handle<String> name, 98 Handle<String> name,
99 int* object_offset) { 99 int* object_offset) {
100 Isolate* isolate = name->GetIsolate(); 100 Isolate* isolate = name->GetIsolate();
101 101
102 if (type->Is(T::String())) { 102 if (type->Is(T::String())) {
103 return CheckForName(name, isolate->heap()->length_string(), 103 return CheckForName(name, isolate->factory()->length_string(),
104 String::kLengthOffset, object_offset); 104 String::kLengthOffset, object_offset);
105 } 105 }
106 106
107 if (!type->IsClass()) return false; 107 if (!type->IsClass()) return false;
108 Handle<Map> map = type->AsClass(); 108 Handle<Map> map = type->AsClass();
109 109
110 switch (map->instance_type()) { 110 switch (map->instance_type()) {
111 case JS_ARRAY_TYPE: 111 case JS_ARRAY_TYPE:
112 return 112 return
113 CheckForName(name, isolate->heap()->length_string(), 113 CheckForName(name, isolate->factory()->length_string(),
114 JSArray::kLengthOffset, object_offset); 114 JSArray::kLengthOffset, object_offset);
115 case JS_TYPED_ARRAY_TYPE: 115 case JS_TYPED_ARRAY_TYPE:
116 return 116 return
117 CheckForName(name, isolate->heap()->length_string(), 117 CheckForName(name, isolate->factory()->length_string(),
118 JSTypedArray::kLengthOffset, object_offset) || 118 JSTypedArray::kLengthOffset, object_offset) ||
119 CheckForName(name, isolate->heap()->byte_length_string(), 119 CheckForName(name, isolate->factory()->byte_length_string(),
120 JSTypedArray::kByteLengthOffset, object_offset) || 120 JSTypedArray::kByteLengthOffset, object_offset) ||
121 CheckForName(name, isolate->heap()->byte_offset_string(), 121 CheckForName(name, isolate->factory()->byte_offset_string(),
122 JSTypedArray::kByteOffsetOffset, object_offset); 122 JSTypedArray::kByteOffsetOffset, object_offset);
123 case JS_ARRAY_BUFFER_TYPE: 123 case JS_ARRAY_BUFFER_TYPE:
124 return 124 return
125 CheckForName(name, isolate->heap()->byte_length_string(), 125 CheckForName(name, isolate->factory()->byte_length_string(),
126 JSArrayBuffer::kByteLengthOffset, object_offset); 126 JSArrayBuffer::kByteLengthOffset, object_offset);
127 case JS_DATA_VIEW_TYPE: 127 case JS_DATA_VIEW_TYPE:
128 return 128 return
129 CheckForName(name, isolate->heap()->byte_length_string(), 129 CheckForName(name, isolate->factory()->byte_length_string(),
130 JSDataView::kByteLengthOffset, object_offset) || 130 JSDataView::kByteLengthOffset, object_offset) ||
131 CheckForName(name, isolate->heap()->byte_offset_string(), 131 CheckForName(name, isolate->factory()->byte_offset_string(),
132 JSDataView::kByteOffsetOffset, object_offset); 132 JSDataView::kByteOffsetOffset, object_offset);
133 default: 133 default:
134 return false; 134 return false;
135 } 135 }
136 } 136 }
137 137
138 138
139 template 139 template
140 bool Accessors::IsJSObjectFieldAccessor<Type>(Type* type, 140 bool Accessors::IsJSObjectFieldAccessor<Type>(Type* type,
141 Handle<String> name, 141 Handle<String> name,
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967 info->set_data(Smi::FromInt(index)); 967 info->set_data(Smi::FromInt(index));
968 Handle<Object> getter = v8::FromCData(isolate, &ModuleGetExport); 968 Handle<Object> getter = v8::FromCData(isolate, &ModuleGetExport);
969 Handle<Object> setter = v8::FromCData(isolate, &ModuleSetExport); 969 Handle<Object> setter = v8::FromCData(isolate, &ModuleSetExport);
970 info->set_getter(*getter); 970 info->set_getter(*getter);
971 if (!(attributes & ReadOnly)) info->set_setter(*setter); 971 if (!(attributes & ReadOnly)) info->set_setter(*setter);
972 return info; 972 return info;
973 } 973 }
974 974
975 975
976 } } // namespace v8::internal 976 } } // namespace v8::internal
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