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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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2999 var->AsSlot()->type() != Slot::LOOKUP) { | 2999 var->AsSlot()->type() != Slot::LOOKUP) { |
3000 // Result of deleting non-global, non-dynamic variables is false. | 3000 // Result of deleting non-global, non-dynamic variables is false. |
3001 // The subexpression does not have side effects. | 3001 // The subexpression does not have side effects. |
3002 context()->Plug(false); | 3002 context()->Plug(false); |
3003 } else { | 3003 } else { |
3004 // Property or variable reference. Call the delete builtin with | 3004 // Property or variable reference. Call the delete builtin with |
3005 // object and property name as arguments. | 3005 // object and property name as arguments. |
3006 if (prop != NULL) { | 3006 if (prop != NULL) { |
3007 VisitForStackValue(prop->obj()); | 3007 VisitForStackValue(prop->obj()); |
3008 VisitForStackValue(prop->key()); | 3008 VisitForStackValue(prop->key()); |
| 3009 __ InvokeBuiltin(Builtins::DELETE, CALL_FUNCTION); |
3009 } else if (var->is_global()) { | 3010 } else if (var->is_global()) { |
3010 __ push(GlobalObjectOperand()); | 3011 __ push(GlobalObjectOperand()); |
3011 __ Push(var->name()); | 3012 __ Push(var->name()); |
| 3013 __ InvokeBuiltin(Builtins::DELETE, CALL_FUNCTION); |
3012 } else { | 3014 } else { |
3013 // Non-global variable. Call the runtime to look up the context | 3015 // Non-global variable. Call the runtime to delete from the |
3014 // where the variable was introduced. | 3016 // context where the variable was introduced. |
3015 __ push(context_register()); | 3017 __ push(context_register()); |
3016 __ Push(var->name()); | 3018 __ Push(var->name()); |
3017 __ CallRuntime(Runtime::kLookupContext, 2); | 3019 __ CallRuntime(Runtime::kDeleteContextSlot, 2); |
3018 __ push(rax); | |
3019 __ Push(var->name()); | |
3020 } | 3020 } |
3021 __ InvokeBuiltin(Builtins::DELETE, CALL_FUNCTION); | |
3022 context()->Plug(rax); | 3021 context()->Plug(rax); |
3023 } | 3022 } |
3024 break; | 3023 break; |
3025 } | 3024 } |
3026 | 3025 |
3027 case Token::VOID: { | 3026 case Token::VOID: { |
3028 Comment cmnt(masm_, "[ UnaryOperation (VOID)"); | 3027 Comment cmnt(masm_, "[ UnaryOperation (VOID)"); |
3029 VisitForEffect(expr->expression()); | 3028 VisitForEffect(expr->expression()); |
3030 context()->Plug(Heap::kUndefinedValueRootIndex); | 3029 context()->Plug(Heap::kUndefinedValueRootIndex); |
3031 break; | 3030 break; |
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3643 __ ret(0); | 3642 __ ret(0); |
3644 } | 3643 } |
3645 | 3644 |
3646 | 3645 |
3647 #undef __ | 3646 #undef __ |
3648 | 3647 |
3649 | 3648 |
3650 } } // namespace v8::internal | 3649 } } // namespace v8::internal |
3651 | 3650 |
3652 #endif // V8_TARGET_ARCH_X64 | 3651 #endif // V8_TARGET_ARCH_X64 |
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