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Issue 6691003: Strict mode poision pills. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Kraken fix. Created 9 years, 9 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 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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8038 8038
8039 8039
8040 static MaybeObject* Runtime_SetNewFunctionAttributes(Arguments args) { 8040 static MaybeObject* Runtime_SetNewFunctionAttributes(Arguments args) {
8041 // This utility adjusts the property attributes for newly created Function 8041 // This utility adjusts the property attributes for newly created Function
8042 // object ("new Function(...)") by changing the map. 8042 // object ("new Function(...)") by changing the map.
8043 // All it does is changing the prototype property to enumerable 8043 // All it does is changing the prototype property to enumerable
8044 // as specified in ECMA262, 15.3.5.2. 8044 // as specified in ECMA262, 15.3.5.2.
8045 HandleScope scope; 8045 HandleScope scope;
8046 ASSERT(args.length() == 1); 8046 ASSERT(args.length() == 1);
8047 CONVERT_ARG_CHECKED(JSFunction, func, 0); 8047 CONVERT_ARG_CHECKED(JSFunction, func, 0);
8048 ASSERT(func->map()->instance_type() == 8048
8049 Top::function_instance_map()->instance_type()); 8049 Handle<Map> map = func->shared()->strict_mode()
8050 ASSERT(func->map()->instance_size() == 8050 ? Top::function_instance_map_strict()
8051 Top::function_instance_map()->instance_size()); 8051 : Top::function_instance_map();
8052 func->set_map(*Top::function_instance_map()); 8052
8053 ASSERT(func->map()->instance_type() == map->instance_type());
8054 ASSERT(func->map()->instance_size() == map->instance_size());
8055 func->set_map(*map);
8053 return *func; 8056 return *func;
8054 } 8057 }
8055 8058
8056 8059
8057 static MaybeObject* Runtime_AllocateInNewSpace(Arguments args) { 8060 static MaybeObject* Runtime_AllocateInNewSpace(Arguments args) {
8058 // Allocate a block of memory in NewSpace (filled with a filler). 8061 // Allocate a block of memory in NewSpace (filled with a filler).
8059 // Use as fallback for allocation in generated code when NewSpace 8062 // Use as fallback for allocation in generated code when NewSpace
8060 // is full. 8063 // is full.
8061 ASSERT(args.length() == 1); 8064 ASSERT(args.length() == 1);
8062 CONVERT_ARG_CHECKED(Smi, size_smi, 0); 8065 CONVERT_ARG_CHECKED(Smi, size_smi, 0);
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11633 } else { 11636 } else {
11634 // Handle last resort GC and make sure to allow future allocations 11637 // Handle last resort GC and make sure to allow future allocations
11635 // to grow the heap without causing GCs (if possible). 11638 // to grow the heap without causing GCs (if possible).
11636 Counters::gc_last_resort_from_js.Increment(); 11639 Counters::gc_last_resort_from_js.Increment();
11637 Heap::CollectAllGarbage(false); 11640 Heap::CollectAllGarbage(false);
11638 } 11641 }
11639 } 11642 }
11640 11643
11641 11644
11642 } } // namespace v8::internal 11645 } } // namespace v8::internal
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