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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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739 } | 739 } |
740 while (true) { | 740 while (true) { |
741 LookupResult lookup(type->GetIsolate()); | 741 LookupResult lookup(type->GetIsolate()); |
742 type->LookupInDescriptors(NULL, *name, &lookup); | 742 type->LookupInDescriptors(NULL, *name, &lookup); |
743 // If the function wasn't found directly in the map, we start | 743 // If the function wasn't found directly in the map, we start |
744 // looking upwards through the prototype chain. | 744 // looking upwards through the prototype chain. |
745 if ((!lookup.IsFound() || IsTransitionType(lookup.type())) | 745 if ((!lookup.IsFound() || IsTransitionType(lookup.type())) |
746 && type->prototype()->IsJSObject()) { | 746 && type->prototype()->IsJSObject()) { |
747 holder_ = Handle<JSObject>(JSObject::cast(type->prototype())); | 747 holder_ = Handle<JSObject>(JSObject::cast(type->prototype())); |
748 type = Handle<Map>(holder()->map()); | 748 type = Handle<Map>(holder()->map()); |
749 } else if (lookup.IsProperty() && lookup.type() == CONSTANT_FUNCTION) { | 749 } else if (lookup.IsFound() && lookup.type() == CONSTANT_FUNCTION) { |
750 target_ = Handle<JSFunction>(lookup.GetConstantFunctionFromMap(*type)); | 750 target_ = Handle<JSFunction>(lookup.GetConstantFunctionFromMap(*type)); |
751 return true; | 751 return true; |
752 } else { | 752 } else { |
753 return false; | 753 return false; |
754 } | 754 } |
755 } | 755 } |
756 } | 756 } |
757 | 757 |
758 | 758 |
759 bool Call::ComputeGlobalTarget(Handle<GlobalObject> global, | 759 bool Call::ComputeGlobalTarget(Handle<GlobalObject> global, |
760 LookupResult* lookup) { | 760 LookupResult* lookup) { |
761 target_ = Handle<JSFunction>::null(); | 761 target_ = Handle<JSFunction>::null(); |
762 cell_ = Handle<JSGlobalPropertyCell>::null(); | 762 cell_ = Handle<JSGlobalPropertyCell>::null(); |
763 ASSERT(lookup->IsProperty() && | 763 ASSERT(lookup->IsFound() && |
764 lookup->type() == NORMAL && | 764 lookup->type() == NORMAL && |
765 lookup->holder() == *global); | 765 lookup->holder() == *global); |
766 cell_ = Handle<JSGlobalPropertyCell>(global->GetPropertyCell(lookup)); | 766 cell_ = Handle<JSGlobalPropertyCell>(global->GetPropertyCell(lookup)); |
767 if (cell_->value()->IsJSFunction()) { | 767 if (cell_->value()->IsJSFunction()) { |
768 Handle<JSFunction> candidate(JSFunction::cast(cell_->value())); | 768 Handle<JSFunction> candidate(JSFunction::cast(cell_->value())); |
769 // If the function is in new space we assume it's more likely to | 769 // If the function is in new space we assume it's more likely to |
770 // change and thus prefer the general IC code. | 770 // change and thus prefer the general IC code. |
771 if (!HEAP->InNewSpace(*candidate)) { | 771 if (!HEAP->InNewSpace(*candidate)) { |
772 target_ = candidate; | 772 target_ = candidate; |
773 return true; | 773 return true; |
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1204 int pos) | 1204 int pos) |
1205 : label_(label), | 1205 : label_(label), |
1206 statements_(statements), | 1206 statements_(statements), |
1207 position_(pos), | 1207 position_(pos), |
1208 compare_type_(NONE), | 1208 compare_type_(NONE), |
1209 compare_id_(AstNode::GetNextId(isolate)), | 1209 compare_id_(AstNode::GetNextId(isolate)), |
1210 entry_id_(AstNode::GetNextId(isolate)) { | 1210 entry_id_(AstNode::GetNextId(isolate)) { |
1211 } | 1211 } |
1212 | 1212 |
1213 } } // namespace v8::internal | 1213 } } // namespace v8::internal |
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