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Issue 6576024: (early draft) Strict mode - throw exception on assignment to read only property. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Assign to read only property in strict mode. Created 9 years, 10 months ago
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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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2616 } 2616 }
2617 } 2617 }
2618 } 2618 }
2619 2619
2620 2620
2621 void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) { 2621 void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) {
2622 ASSERT(ToRegister(instr->object()).is(rdx)); 2622 ASSERT(ToRegister(instr->object()).is(rdx));
2623 ASSERT(ToRegister(instr->value()).is(rax)); 2623 ASSERT(ToRegister(instr->value()).is(rax));
2624 2624
2625 __ Move(rcx, instr->hydrogen()->name()); 2625 __ Move(rcx, instr->hydrogen()->name());
2626 Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize)); 2626 Handle<Code> ic(Builtins::builtin(
2627 info_->is_strict() ? Builtins::StoreIC_Initialize_Strict
2628 : Builtins::StoreIC_Initialize));
2627 CallCode(ic, RelocInfo::CODE_TARGET, instr); 2629 CallCode(ic, RelocInfo::CODE_TARGET, instr);
2628 } 2630 }
2629 2631
2630 2632
2631 void LCodeGen::DoStorePixelArrayElement(LStorePixelArrayElement* instr) { 2633 void LCodeGen::DoStorePixelArrayElement(LStorePixelArrayElement* instr) {
2632 Register external_pointer = ToRegister(instr->external_pointer()); 2634 Register external_pointer = ToRegister(instr->external_pointer());
2633 Register key = ToRegister(instr->key()); 2635 Register key = ToRegister(instr->key());
2634 Register value = ToRegister(instr->value()); 2636 Register value = ToRegister(instr->value());
2635 2637
2636 { // Clamp the value to [0..255]. 2638 { // Clamp the value to [0..255].
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2685 __ RecordWrite(elements, key, value); 2687 __ RecordWrite(elements, key, value);
2686 } 2688 }
2687 } 2689 }
2688 2690
2689 2691
2690 void LCodeGen::DoStoreKeyedGeneric(LStoreKeyedGeneric* instr) { 2692 void LCodeGen::DoStoreKeyedGeneric(LStoreKeyedGeneric* instr) {
2691 ASSERT(ToRegister(instr->object()).is(rdx)); 2693 ASSERT(ToRegister(instr->object()).is(rdx));
2692 ASSERT(ToRegister(instr->key()).is(rcx)); 2694 ASSERT(ToRegister(instr->key()).is(rcx));
2693 ASSERT(ToRegister(instr->value()).is(rax)); 2695 ASSERT(ToRegister(instr->value()).is(rax));
2694 2696
2695 Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Initialize)); 2697 Handle<Code> ic(Builtins::builtin(
2698 info_->is_strict() ? Builtins::KeyedStoreIC_Initialize_Strict
2699 : Builtins::KeyedStoreIC_Initialize));
2696 CallCode(ic, RelocInfo::CODE_TARGET, instr); 2700 CallCode(ic, RelocInfo::CODE_TARGET, instr);
2697 } 2701 }
2698 2702
2699 2703
2700 void LCodeGen::DoStringCharCodeAt(LStringCharCodeAt* instr) { 2704 void LCodeGen::DoStringCharCodeAt(LStringCharCodeAt* instr) {
2701 class DeferredStringCharCodeAt: public LDeferredCode { 2705 class DeferredStringCharCodeAt: public LDeferredCode {
2702 public: 2706 public:
2703 DeferredStringCharCodeAt(LCodeGen* codegen, LStringCharCodeAt* instr) 2707 DeferredStringCharCodeAt(LCodeGen* codegen, LStringCharCodeAt* instr)
2704 : LDeferredCode(codegen), instr_(instr) { } 2708 : LDeferredCode(codegen), instr_(instr) { }
2705 virtual void Generate() { codegen()->DoDeferredStringCharCodeAt(instr_); } 2709 virtual void Generate() { codegen()->DoDeferredStringCharCodeAt(instr_); }
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3552 RegisterEnvironmentForDeoptimization(environment); 3556 RegisterEnvironmentForDeoptimization(environment);
3553 ASSERT(osr_pc_offset_ == -1); 3557 ASSERT(osr_pc_offset_ == -1);
3554 osr_pc_offset_ = masm()->pc_offset(); 3558 osr_pc_offset_ = masm()->pc_offset();
3555 } 3559 }
3556 3560
3557 #undef __ 3561 #undef __
3558 3562
3559 } } // namespace v8::internal 3563 } } // namespace v8::internal
3560 3564
3561 #endif // V8_TARGET_ARCH_X64 3565 #endif // V8_TARGET_ARCH_X64
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