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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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3054 | 3054 |
3055 // Create a new map featuring the new field descriptors array. | 3055 // Create a new map featuring the new field descriptors array. |
3056 Handle<Map> map = handle(function->map()); | 3056 Handle<Map> map = handle(function->map()); |
3057 Handle<Map> new_map = Map::CopyReplaceDescriptor( | 3057 Handle<Map> new_map = Map::CopyReplaceDescriptor( |
3058 map, instance_desc, &new_desc, index, OMIT_TRANSITION); | 3058 map, instance_desc, &new_desc, index, OMIT_TRANSITION); |
3059 | 3059 |
3060 JSObject::MigrateToMap(function, new_map); | 3060 JSObject::MigrateToMap(function, new_map); |
3061 } else { // Dictionary properties. | 3061 } else { // Dictionary properties. |
3062 // Directly manipulate the property details. | 3062 // Directly manipulate the property details. |
3063 DisallowHeapAllocation no_gc; | 3063 DisallowHeapAllocation no_gc; |
3064 int entry = function->property_dictionary()->FindEntry(*name); | 3064 int entry = function->property_dictionary()->FindEntry(name); |
3065 ASSERT(entry != NameDictionary::kNotFound); | 3065 ASSERT(entry != NameDictionary::kNotFound); |
3066 PropertyDetails details = function->property_dictionary()->DetailsAt(entry); | 3066 PropertyDetails details = function->property_dictionary()->DetailsAt(entry); |
3067 PropertyDetails new_details( | 3067 PropertyDetails new_details( |
3068 static_cast<PropertyAttributes>(details.attributes() | READ_ONLY), | 3068 static_cast<PropertyAttributes>(details.attributes() | READ_ONLY), |
3069 details.type(), | 3069 details.type(), |
3070 details.dictionary_index()); | 3070 details.dictionary_index()); |
3071 function->property_dictionary()->DetailsAtPut(entry, new_details); | 3071 function->property_dictionary()->DetailsAtPut(entry, new_details); |
3072 } | 3072 } |
3073 return *function; | 3073 return *function; |
3074 } | 3074 } |
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15109 Handle<Smi>(Smi::FromInt(i), isolate), | 15109 Handle<Smi>(Smi::FromInt(i), isolate), |
15110 PropertyDetails(NONE, NORMAL, Representation::None())); | 15110 PropertyDetails(NONE, NORMAL, Representation::None())); |
15111 // The dictionary does not need to grow. | 15111 // The dictionary does not need to grow. |
15112 CHECK(new_dict.is_identical_to(dict)); | 15112 CHECK(new_dict.is_identical_to(dict)); |
15113 } | 15113 } |
15114 } | 15114 } |
15115 | 15115 |
15116 | 15116 |
15117 const Runtime::Function* Runtime::FunctionForName(Handle<String> name) { | 15117 const Runtime::Function* Runtime::FunctionForName(Handle<String> name) { |
15118 Heap* heap = name->GetHeap(); | 15118 Heap* heap = name->GetHeap(); |
15119 int entry = heap->intrinsic_function_names()->FindEntry(*name); | 15119 int entry = heap->intrinsic_function_names()->FindEntry(name); |
15120 if (entry != kNotFound) { | 15120 if (entry != kNotFound) { |
15121 Object* smi_index = heap->intrinsic_function_names()->ValueAt(entry); | 15121 Object* smi_index = heap->intrinsic_function_names()->ValueAt(entry); |
15122 int function_index = Smi::cast(smi_index)->value(); | 15122 int function_index = Smi::cast(smi_index)->value(); |
15123 return &(kIntrinsicFunctions[function_index]); | 15123 return &(kIntrinsicFunctions[function_index]); |
15124 } | 15124 } |
15125 return NULL; | 15125 return NULL; |
15126 } | 15126 } |
15127 | 15127 |
15128 | 15128 |
15129 const Runtime::Function* Runtime::FunctionForId(Runtime::FunctionId id) { | 15129 const Runtime::Function* Runtime::FunctionForId(Runtime::FunctionId id) { |
15130 return &(kIntrinsicFunctions[static_cast<int>(id)]); | 15130 return &(kIntrinsicFunctions[static_cast<int>(id)]); |
15131 } | 15131 } |
15132 | 15132 |
15133 } } // namespace v8::internal | 15133 } } // namespace v8::internal |
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