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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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2945 global->Lookup(*var->name(), lookup); | 2945 global->Lookup(*var->name(), lookup); |
2946 if (!lookup->IsProperty()) { | 2946 if (!lookup->IsProperty()) { |
2947 BAILOUT("global variable cell not yet introduced"); | 2947 BAILOUT("global variable cell not yet introduced"); |
2948 } | 2948 } |
2949 if (lookup->type() != NORMAL) { | 2949 if (lookup->type() != NORMAL) { |
2950 BAILOUT("global variable has accessors"); | 2950 BAILOUT("global variable has accessors"); |
2951 } | 2951 } |
2952 if (is_store && lookup->IsReadOnly()) { | 2952 if (is_store && lookup->IsReadOnly()) { |
2953 BAILOUT("read-only global variable"); | 2953 BAILOUT("read-only global variable"); |
2954 } | 2954 } |
| 2955 if (lookup->holder() != *global) { |
| 2956 BAILOUT("global property on prototype of global object"); |
| 2957 } |
2955 } | 2958 } |
2956 | 2959 |
2957 | 2960 |
2958 HValue* HGraphBuilder::BuildContextChainWalk(Variable* var) { | 2961 HValue* HGraphBuilder::BuildContextChainWalk(Variable* var) { |
2959 ASSERT(var->IsContextSlot()); | 2962 ASSERT(var->IsContextSlot()); |
2960 HInstruction* context = new HContext; | 2963 HInstruction* context = new HContext; |
2961 AddInstruction(context); | 2964 AddInstruction(context); |
2962 int length = graph()->info()->scope()->ContextChainLength(var->scope()); | 2965 int length = graph()->info()->scope()->ContextChainLength(var->scope()); |
2963 while (length-- > 0) { | 2966 while (length-- > 0) { |
2964 context = new HOuterContext(context); | 2967 context = new HOuterContext(context); |
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5924 } | 5927 } |
5925 } | 5928 } |
5926 | 5929 |
5927 #ifdef DEBUG | 5930 #ifdef DEBUG |
5928 if (graph_ != NULL) graph_->Verify(); | 5931 if (graph_ != NULL) graph_->Verify(); |
5929 if (allocator_ != NULL) allocator_->Verify(); | 5932 if (allocator_ != NULL) allocator_->Verify(); |
5930 #endif | 5933 #endif |
5931 } | 5934 } |
5932 | 5935 |
5933 } } // namespace v8::internal | 5936 } } // namespace v8::internal |
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