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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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5209 | 5209 |
5210 | 5210 |
5211 // Return property without being observable by accessors or interceptors. | 5211 // Return property without being observable by accessors or interceptors. |
5212 RUNTIME_FUNCTION(MaybeObject*, Runtime_GetDataProperty) { | 5212 RUNTIME_FUNCTION(MaybeObject*, Runtime_GetDataProperty) { |
5213 SealHandleScope shs(isolate); | 5213 SealHandleScope shs(isolate); |
5214 ASSERT(args.length() == 2); | 5214 ASSERT(args.length() == 2); |
5215 CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0); | 5215 CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0); |
5216 CONVERT_ARG_HANDLE_CHECKED(Name, key, 1); | 5216 CONVERT_ARG_HANDLE_CHECKED(Name, key, 1); |
5217 LookupResult lookup(isolate); | 5217 LookupResult lookup(isolate); |
5218 object->LookupRealNamedProperty(*key, &lookup); | 5218 object->LookupRealNamedProperty(*key, &lookup); |
5219 if (!lookup.IsFound()) return isolate->heap()->undefined_value(); | 5219 if (lookup.IsFound() && !lookup.IsTransition()) { |
5220 switch (lookup.type()) { | 5220 switch (lookup.type()) { |
5221 case NORMAL: | 5221 case NORMAL: |
5222 return lookup.holder()->GetNormalizedProperty(&lookup); | 5222 return lookup.holder()->GetNormalizedProperty(&lookup); |
5223 case FIELD: | 5223 case FIELD: |
5224 return lookup.holder()->FastPropertyAt( | 5224 return lookup.holder()->FastPropertyAt( |
5225 lookup.representation(), | 5225 lookup.representation(), |
5226 lookup.GetFieldIndex().field_index()); | 5226 lookup.GetFieldIndex().field_index()); |
5227 case CONSTANT: | 5227 case CONSTANT: |
5228 return lookup.GetConstant(); | 5228 return lookup.GetConstant(); |
5229 case CALLBACKS: | 5229 case CALLBACKS: |
5230 case HANDLER: | 5230 case HANDLER: |
5231 case INTERCEPTOR: | 5231 case INTERCEPTOR: |
5232 case TRANSITION: | 5232 break; |
5233 return isolate->heap()->undefined_value(); | 5233 case NONEXISTENT: |
5234 case NONEXISTENT: | 5234 UNREACHABLE(); |
5235 UNREACHABLE(); | 5235 } |
5236 } | 5236 } |
5237 return isolate->heap()->undefined_value(); | 5237 return isolate->heap()->undefined_value(); |
5238 } | 5238 } |
5239 | 5239 |
5240 | 5240 |
5241 Handle<Object> Runtime::SetObjectProperty(Isolate* isolate, | 5241 Handle<Object> Runtime::SetObjectProperty(Isolate* isolate, |
5242 Handle<Object> object, | 5242 Handle<Object> object, |
5243 Handle<Object> key, | 5243 Handle<Object> key, |
5244 Handle<Object> value, | 5244 Handle<Object> value, |
5245 PropertyAttributes attr, | 5245 PropertyAttributes attr, |
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10773 return isolate->heap()->undefined_value(); | 10773 return isolate->heap()->undefined_value(); |
10774 } | 10774 } |
10775 | 10775 |
10776 | 10776 |
10777 static MaybeObject* DebugLookupResultValue(Heap* heap, | 10777 static MaybeObject* DebugLookupResultValue(Heap* heap, |
10778 Object* receiver, | 10778 Object* receiver, |
10779 Name* name, | 10779 Name* name, |
10780 LookupResult* result, | 10780 LookupResult* result, |
10781 bool* caught_exception) { | 10781 bool* caught_exception) { |
10782 Object* value; | 10782 Object* value; |
| 10783 if (result->IsTransition()) return heap->undefined_value(); |
10783 switch (result->type()) { | 10784 switch (result->type()) { |
10784 case NORMAL: | 10785 case NORMAL: |
10785 value = result->holder()->GetNormalizedProperty(result); | 10786 value = result->holder()->GetNormalizedProperty(result); |
10786 if (value->IsTheHole()) { | 10787 if (value->IsTheHole()) { |
10787 return heap->undefined_value(); | 10788 return heap->undefined_value(); |
10788 } | 10789 } |
10789 return value; | 10790 return value; |
10790 case FIELD: { | 10791 case FIELD: { |
10791 Object* value; | 10792 Object* value; |
10792 MaybeObject* maybe_value = | 10793 MaybeObject* maybe_value = |
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10816 heap->isolate()->clear_pending_exception(); | 10817 heap->isolate()->clear_pending_exception(); |
10817 if (caught_exception != NULL) *caught_exception = true; | 10818 if (caught_exception != NULL) *caught_exception = true; |
10818 return exception; | 10819 return exception; |
10819 } | 10820 } |
10820 return *value; | 10821 return *value; |
10821 } else { | 10822 } else { |
10822 return heap->undefined_value(); | 10823 return heap->undefined_value(); |
10823 } | 10824 } |
10824 } | 10825 } |
10825 case INTERCEPTOR: | 10826 case INTERCEPTOR: |
10826 case TRANSITION: | |
10827 return heap->undefined_value(); | 10827 return heap->undefined_value(); |
10828 case HANDLER: | 10828 case HANDLER: |
10829 case NONEXISTENT: | 10829 case NONEXISTENT: |
10830 UNREACHABLE(); | 10830 UNREACHABLE(); |
10831 return heap->undefined_value(); | 10831 return heap->undefined_value(); |
10832 } | 10832 } |
10833 UNREACHABLE(); // keep the compiler happy | 10833 UNREACHABLE(); // keep the compiler happy |
10834 return heap->undefined_value(); | 10834 return heap->undefined_value(); |
10835 } | 10835 } |
10836 | 10836 |
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15222 } | 15222 } |
15223 } | 15223 } |
15224 | 15224 |
15225 | 15225 |
15226 void Runtime::OutOfMemory() { | 15226 void Runtime::OutOfMemory() { |
15227 Heap::FatalProcessOutOfMemory("CALL_AND_RETRY_LAST", true); | 15227 Heap::FatalProcessOutOfMemory("CALL_AND_RETRY_LAST", true); |
15228 UNREACHABLE(); | 15228 UNREACHABLE(); |
15229 } | 15229 } |
15230 | 15230 |
15231 } } // namespace v8::internal | 15231 } } // namespace v8::internal |
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