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Issue 104013008: Reland v8:18458 "Load the global proxy from the context of the target function." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 11 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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1662 builtins_fun->initial_map()->set_dictionary_map(true); 1662 builtins_fun->initial_map()->set_dictionary_map(true);
1663 builtins_fun->initial_map()->set_prototype(heap()->null_value()); 1663 builtins_fun->initial_map()->set_prototype(heap()->null_value());
1664 1664
1665 // Allocate the builtins object. 1665 // Allocate the builtins object.
1666 Handle<JSBuiltinsObject> builtins = 1666 Handle<JSBuiltinsObject> builtins =
1667 Handle<JSBuiltinsObject>::cast(factory()->NewGlobalObject(builtins_fun)); 1667 Handle<JSBuiltinsObject>::cast(factory()->NewGlobalObject(builtins_fun));
1668 builtins->set_builtins(*builtins); 1668 builtins->set_builtins(*builtins);
1669 builtins->set_native_context(*native_context()); 1669 builtins->set_native_context(*native_context());
1670 builtins->set_global_context(*native_context()); 1670 builtins->set_global_context(*native_context());
1671 builtins->set_global_receiver(*builtins); 1671 builtins->set_global_receiver(*builtins);
1672 builtins->set_global_receiver(native_context()->global_proxy());
1673
1672 1674
1673 // Set up the 'global' properties of the builtins object. The 1675 // Set up the 'global' properties of the builtins object. The
1674 // 'global' property that refers to the global object is the only 1676 // 'global' property that refers to the global object is the only
1675 // way to get from code running in the builtins context to the 1677 // way to get from code running in the builtins context to the
1676 // global object. 1678 // global object.
1677 static const PropertyAttributes attributes = 1679 static const PropertyAttributes attributes =
1678 static_cast<PropertyAttributes>(READ_ONLY | DONT_DELETE); 1680 static_cast<PropertyAttributes>(READ_ONLY | DONT_DELETE);
1679 Handle<String> global_string = 1681 Handle<String> global_string =
1680 factory()->InternalizeOneByteString(STATIC_ASCII_VECTOR("global")); 1682 factory()->InternalizeOneByteString(STATIC_ASCII_VECTOR("global"));
1681 Handle<Object> global_obj(native_context()->global_object(), isolate()); 1683 Handle<Object> global_obj(native_context()->global_object(), isolate());
1682 CHECK_NOT_EMPTY_HANDLE(isolate(), 1684 CHECK_NOT_EMPTY_HANDLE(isolate(),
1683 JSObject::SetLocalPropertyIgnoreAttributes( 1685 JSObject::SetLocalPropertyIgnoreAttributes(
1684 builtins, global_string, global_obj, attributes)); 1686 builtins, global_string, global_obj, attributes));
1687 Handle<String> builtins_string =
1688 factory()->InternalizeOneByteString(STATIC_ASCII_VECTOR("builtins"));
1689 CHECK_NOT_EMPTY_HANDLE(isolate(),
1690 JSObject::SetLocalPropertyIgnoreAttributes(
1691 builtins, builtins_string, builtins, attributes));
1685 1692
1686 // Set up the reference from the global object to the builtins object. 1693 // Set up the reference from the global object to the builtins object.
1687 JSGlobalObject::cast(native_context()->global_object())-> 1694 JSGlobalObject::cast(native_context()->global_object())->
1688 set_builtins(*builtins); 1695 set_builtins(*builtins);
1689 1696
1690 // Create a bridge function that has context in the native context. 1697 // Create a bridge function that has context in the native context.
1691 Handle<JSFunction> bridge = 1698 Handle<JSFunction> bridge =
1692 factory()->NewFunction(factory()->empty_string(), 1699 factory()->NewFunction(factory()->empty_string(),
1693 factory()->undefined_value()); 1700 factory()->undefined_value());
1694 ASSERT(bridge->context() == *isolate()->native_context()); 1701 ASSERT(bridge->context() == *isolate()->native_context());
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2574 isolate->set_context(*native_context()); 2581 isolate->set_context(*native_context());
2575 isolate->counters()->contexts_created_by_snapshot()->Increment(); 2582 isolate->counters()->contexts_created_by_snapshot()->Increment();
2576 Handle<GlobalObject> inner_global; 2583 Handle<GlobalObject> inner_global;
2577 Handle<JSGlobalProxy> global_proxy = 2584 Handle<JSGlobalProxy> global_proxy =
2578 CreateNewGlobals(global_template, 2585 CreateNewGlobals(global_template,
2579 global_object, 2586 global_object,
2580 &inner_global); 2587 &inner_global);
2581 2588
2582 HookUpGlobalProxy(inner_global, global_proxy); 2589 HookUpGlobalProxy(inner_global, global_proxy);
2583 HookUpInnerGlobal(inner_global); 2590 HookUpInnerGlobal(inner_global);
2591 native_context()->builtins()->set_global_receiver(
2592 native_context()->global_proxy());
2584 2593
2585 if (!ConfigureGlobalObjects(global_template)) return; 2594 if (!ConfigureGlobalObjects(global_template)) return;
2586 } else { 2595 } else {
2587 // We get here if there was no context snapshot. 2596 // We get here if there was no context snapshot.
2588 CreateRoots(); 2597 CreateRoots();
2589 Handle<JSFunction> empty_function = CreateEmptyFunction(isolate); 2598 Handle<JSFunction> empty_function = CreateEmptyFunction(isolate);
2590 CreateStrictModeFunctionMaps(empty_function); 2599 CreateStrictModeFunctionMaps(empty_function);
2591 Handle<GlobalObject> inner_global; 2600 Handle<GlobalObject> inner_global;
2592 Handle<JSGlobalProxy> global_proxy = 2601 Handle<JSGlobalProxy> global_proxy =
2593 CreateNewGlobals(global_template, global_object, &inner_global); 2602 CreateNewGlobals(global_template, global_object, &inner_global);
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2695 return from + sizeof(NestingCounterType); 2704 return from + sizeof(NestingCounterType);
2696 } 2705 }
2697 2706
2698 2707
2699 // Called when the top-level V8 mutex is destroyed. 2708 // Called when the top-level V8 mutex is destroyed.
2700 void Bootstrapper::FreeThreadResources() { 2709 void Bootstrapper::FreeThreadResources() {
2701 ASSERT(!IsActive()); 2710 ASSERT(!IsActive());
2702 } 2711 }
2703 2712
2704 } } // namespace v8::internal 2713 } } // namespace v8::internal
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