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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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2985 var->AsSlot()->type() != Slot::LOOKUP) { | 2985 var->AsSlot()->type() != Slot::LOOKUP) { |
2986 // Result of deleting non-global, non-dynamic variables is false. | 2986 // Result of deleting non-global, non-dynamic variables is false. |
2987 // The subexpression does not have side effects. | 2987 // The subexpression does not have side effects. |
2988 context()->Plug(false); | 2988 context()->Plug(false); |
2989 } else { | 2989 } else { |
2990 // Property or variable reference. Call the delete builtin with | 2990 // Property or variable reference. Call the delete builtin with |
2991 // object and property name as arguments. | 2991 // object and property name as arguments. |
2992 if (prop != NULL) { | 2992 if (prop != NULL) { |
2993 VisitForStackValue(prop->obj()); | 2993 VisitForStackValue(prop->obj()); |
2994 VisitForStackValue(prop->key()); | 2994 VisitForStackValue(prop->key()); |
| 2995 __ InvokeBuiltin(Builtins::DELETE, CALL_JS); |
2995 } else if (var->is_global()) { | 2996 } else if (var->is_global()) { |
2996 __ ldr(r1, GlobalObjectOperand()); | 2997 __ ldr(r1, GlobalObjectOperand()); |
2997 __ mov(r0, Operand(var->name())); | 2998 __ mov(r0, Operand(var->name())); |
2998 __ Push(r1, r0); | 2999 __ Push(r1, r0); |
| 3000 __ InvokeBuiltin(Builtins::DELETE, CALL_JS); |
2999 } else { | 3001 } else { |
3000 // Non-global variable. Call the runtime to look up the context | 3002 // Non-global variable. Call the runtime to delete from the |
3001 // where the variable was introduced. | 3003 // context where the variable was introduced. |
3002 __ push(context_register()); | 3004 __ push(context_register()); |
3003 __ mov(r2, Operand(var->name())); | 3005 __ mov(r2, Operand(var->name())); |
3004 __ push(r2); | 3006 __ push(r2); |
3005 __ CallRuntime(Runtime::kLookupContext, 2); | 3007 __ CallRuntime(Runtime::kDeleteContextSlot, 2); |
3006 __ push(r0); | |
3007 __ mov(r2, Operand(var->name())); | |
3008 __ push(r2); | |
3009 } | 3008 } |
3010 __ InvokeBuiltin(Builtins::DELETE, CALL_JS); | |
3011 context()->Plug(r0); | 3009 context()->Plug(r0); |
3012 } | 3010 } |
3013 break; | 3011 break; |
3014 } | 3012 } |
3015 | 3013 |
3016 case Token::VOID: { | 3014 case Token::VOID: { |
3017 Comment cmnt(masm_, "[ UnaryOperation (VOID)"); | 3015 Comment cmnt(masm_, "[ UnaryOperation (VOID)"); |
3018 VisitForEffect(expr->expression()); | 3016 VisitForEffect(expr->expression()); |
3019 context()->Plug(Heap::kUndefinedValueRootIndex); | 3017 context()->Plug(Heap::kUndefinedValueRootIndex); |
3020 break; | 3018 break; |
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3613 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. | 3611 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. |
3614 __ add(pc, r1, Operand(masm_->CodeObject())); | 3612 __ add(pc, r1, Operand(masm_->CodeObject())); |
3615 } | 3613 } |
3616 | 3614 |
3617 | 3615 |
3618 #undef __ | 3616 #undef __ |
3619 | 3617 |
3620 } } // namespace v8::internal | 3618 } } // namespace v8::internal |
3621 | 3619 |
3622 #endif // V8_TARGET_ARCH_ARM | 3620 #endif // V8_TARGET_ARCH_ARM |
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