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Issue 23098004: Add FINAL and OVERRIDE macros for C++11 final/override. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Autoconfied for Sven :-) Created 7 years, 4 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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1979 } 1979 }
1980 1980
1981 1981
1982 void FullCodeGenerator::VisitYield(Yield* expr) { 1982 void FullCodeGenerator::VisitYield(Yield* expr) {
1983 Comment cmnt(masm_, "[ Yield"); 1983 Comment cmnt(masm_, "[ Yield");
1984 // Evaluate yielded value first; the initial iterator definition depends on 1984 // Evaluate yielded value first; the initial iterator definition depends on
1985 // this. It stays on the stack while we update the iterator. 1985 // this. It stays on the stack while we update the iterator.
1986 VisitForStackValue(expr->expression()); 1986 VisitForStackValue(expr->expression());
1987 1987
1988 switch (expr->yield_kind()) { 1988 switch (expr->yield_kind()) {
1989 case Yield::SUSPEND: 1989 case Yield::kSuspend:
1990 // Pop value from top-of-stack slot; box result into result register. 1990 // Pop value from top-of-stack slot; box result into result register.
1991 EmitCreateIteratorResult(false); 1991 EmitCreateIteratorResult(false);
1992 __ push(result_register()); 1992 __ push(result_register());
1993 // Fall through. 1993 // Fall through.
1994 case Yield::INITIAL: { 1994 case Yield::kInitial: {
1995 Label suspend, continuation, post_runtime, resume; 1995 Label suspend, continuation, post_runtime, resume;
1996 1996
1997 __ jmp(&suspend); 1997 __ jmp(&suspend);
1998 1998
1999 __ bind(&continuation); 1999 __ bind(&continuation);
2000 __ jmp(&resume); 2000 __ jmp(&resume);
2001 2001
2002 __ bind(&suspend); 2002 __ bind(&suspend);
2003 VisitForAccumulatorValue(expr->generator_object()); 2003 VisitForAccumulatorValue(expr->generator_object());
2004 ASSERT(continuation.pos() > 0 && Smi::IsValid(continuation.pos())); 2004 ASSERT(continuation.pos() > 0 && Smi::IsValid(continuation.pos()));
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2016 __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 2016 __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
2017 __ bind(&post_runtime); 2017 __ bind(&post_runtime);
2018 __ pop(result_register()); 2018 __ pop(result_register());
2019 EmitReturnSequence(); 2019 EmitReturnSequence();
2020 2020
2021 __ bind(&resume); 2021 __ bind(&resume);
2022 context()->Plug(result_register()); 2022 context()->Plug(result_register());
2023 break; 2023 break;
2024 } 2024 }
2025 2025
2026 case Yield::FINAL: { 2026 case Yield::kFinal: {
2027 VisitForAccumulatorValue(expr->generator_object()); 2027 VisitForAccumulatorValue(expr->generator_object());
2028 __ mov(r1, Operand(Smi::FromInt(JSGeneratorObject::kGeneratorClosed))); 2028 __ mov(r1, Operand(Smi::FromInt(JSGeneratorObject::kGeneratorClosed)));
2029 __ str(r1, FieldMemOperand(result_register(), 2029 __ str(r1, FieldMemOperand(result_register(),
2030 JSGeneratorObject::kContinuationOffset)); 2030 JSGeneratorObject::kContinuationOffset));
2031 // Pop value from top-of-stack slot, box result into result register. 2031 // Pop value from top-of-stack slot, box result into result register.
2032 EmitCreateIteratorResult(true); 2032 EmitCreateIteratorResult(true);
2033 EmitUnwindBeforeReturn(); 2033 EmitUnwindBeforeReturn();
2034 EmitReturnSequence(); 2034 EmitReturnSequence();
2035 break; 2035 break;
2036 } 2036 }
2037 2037
2038 case Yield::DELEGATING: { 2038 case Yield::kDelegating: {
2039 VisitForStackValue(expr->generator_object()); 2039 VisitForStackValue(expr->generator_object());
2040 2040
2041 // Initial stack layout is as follows: 2041 // Initial stack layout is as follows:
2042 // [sp + 1 * kPointerSize] iter 2042 // [sp + 1 * kPointerSize] iter
2043 // [sp + 0 * kPointerSize] g 2043 // [sp + 0 * kPointerSize] g
2044 2044
2045 Label l_catch, l_try, l_suspend, l_continuation, l_resume; 2045 Label l_catch, l_try, l_suspend, l_continuation, l_resume;
2046 Label l_next, l_call, l_loop; 2046 Label l_next, l_call, l_loop;
2047 // Initial send value is undefined. 2047 // Initial send value is undefined.
2048 __ LoadRoot(r0, Heap::kUndefinedValueRootIndex); 2048 __ LoadRoot(r0, Heap::kUndefinedValueRootIndex);
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4892 *context_length = 0; 4892 *context_length = 0;
4893 return previous_; 4893 return previous_;
4894 } 4894 }
4895 4895
4896 4896
4897 #undef __ 4897 #undef __
4898 4898
4899 } } // namespace v8::internal 4899 } } // namespace v8::internal
4900 4900
4901 #endif // V8_TARGET_ARCH_ARM 4901 #endif // V8_TARGET_ARCH_ARM
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