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Issue 23301006: Revert "Add FINAL and OVERRIDE macros for C++11 final/override." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: 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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1986 } 1986 }
1987 1987
1988 1988
1989 void FullCodeGenerator::VisitYield(Yield* expr) { 1989 void FullCodeGenerator::VisitYield(Yield* expr) {
1990 Comment cmnt(masm_, "[ Yield"); 1990 Comment cmnt(masm_, "[ Yield");
1991 // Evaluate yielded value first; the initial iterator definition depends on 1991 // Evaluate yielded value first; the initial iterator definition depends on
1992 // this. It stays on the stack while we update the iterator. 1992 // this. It stays on the stack while we update the iterator.
1993 VisitForStackValue(expr->expression()); 1993 VisitForStackValue(expr->expression());
1994 1994
1995 switch (expr->yield_kind()) { 1995 switch (expr->yield_kind()) {
1996 case Yield::kSuspend: 1996 case Yield::SUSPEND:
1997 // Pop value from top-of-stack slot; box result into result register. 1997 // Pop value from top-of-stack slot; box result into result register.
1998 EmitCreateIteratorResult(false); 1998 EmitCreateIteratorResult(false);
1999 __ push(result_register()); 1999 __ push(result_register());
2000 // Fall through. 2000 // Fall through.
2001 case Yield::kInitial: { 2001 case Yield::INITIAL: {
2002 Label suspend, continuation, post_runtime, resume; 2002 Label suspend, continuation, post_runtime, resume;
2003 2003
2004 __ jmp(&suspend); 2004 __ jmp(&suspend);
2005 2005
2006 __ bind(&continuation); 2006 __ bind(&continuation);
2007 __ jmp(&resume); 2007 __ jmp(&resume);
2008 2008
2009 __ bind(&suspend); 2009 __ bind(&suspend);
2010 VisitForAccumulatorValue(expr->generator_object()); 2010 VisitForAccumulatorValue(expr->generator_object());
2011 ASSERT(continuation.pos() > 0 && Smi::IsValid(continuation.pos())); 2011 ASSERT(continuation.pos() > 0 && Smi::IsValid(continuation.pos()));
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2022 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 2022 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
2023 __ bind(&post_runtime); 2023 __ bind(&post_runtime);
2024 __ pop(result_register()); 2024 __ pop(result_register());
2025 EmitReturnSequence(); 2025 EmitReturnSequence();
2026 2026
2027 __ bind(&resume); 2027 __ bind(&resume);
2028 context()->Plug(result_register()); 2028 context()->Plug(result_register());
2029 break; 2029 break;
2030 } 2030 }
2031 2031
2032 case Yield::kFinal: { 2032 case Yield::FINAL: {
2033 VisitForAccumulatorValue(expr->generator_object()); 2033 VisitForAccumulatorValue(expr->generator_object());
2034 __ li(a1, Operand(Smi::FromInt(JSGeneratorObject::kGeneratorClosed))); 2034 __ li(a1, Operand(Smi::FromInt(JSGeneratorObject::kGeneratorClosed)));
2035 __ sw(a1, FieldMemOperand(result_register(), 2035 __ sw(a1, FieldMemOperand(result_register(),
2036 JSGeneratorObject::kContinuationOffset)); 2036 JSGeneratorObject::kContinuationOffset));
2037 // Pop value from top-of-stack slot, box result into result register. 2037 // Pop value from top-of-stack slot, box result into result register.
2038 EmitCreateIteratorResult(true); 2038 EmitCreateIteratorResult(true);
2039 EmitUnwindBeforeReturn(); 2039 EmitUnwindBeforeReturn();
2040 EmitReturnSequence(); 2040 EmitReturnSequence();
2041 break; 2041 break;
2042 } 2042 }
2043 2043
2044 case Yield::kDelegating: { 2044 case Yield::DELEGATING: {
2045 VisitForStackValue(expr->generator_object()); 2045 VisitForStackValue(expr->generator_object());
2046 2046
2047 // Initial stack layout is as follows: 2047 // Initial stack layout is as follows:
2048 // [sp + 1 * kPointerSize] iter 2048 // [sp + 1 * kPointerSize] iter
2049 // [sp + 0 * kPointerSize] g 2049 // [sp + 0 * kPointerSize] g
2050 2050
2051 Label l_catch, l_try, l_suspend, l_continuation, l_resume; 2051 Label l_catch, l_try, l_suspend, l_continuation, l_resume;
2052 Label l_next, l_call, l_loop; 2052 Label l_next, l_call, l_loop;
2053 // Initial send value is undefined. 2053 // Initial send value is undefined.
2054 __ LoadRoot(a0, Heap::kUndefinedValueRootIndex); 2054 __ LoadRoot(a0, Heap::kUndefinedValueRootIndex);
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4924 *context_length = 0; 4924 *context_length = 0;
4925 return previous_; 4925 return previous_;
4926 } 4926 }
4927 4927
4928 4928
4929 #undef __ 4929 #undef __
4930 4930
4931 } } // namespace v8::internal 4931 } } // namespace v8::internal
4932 4932
4933 #endif // V8_TARGET_ARCH_MIPS 4933 #endif // V8_TARGET_ARCH_MIPS
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