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Issue 2302013002: Store the scope info in catch contexts (Closed)
Patch Set: updates Created 4 years, 3 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/interpreter/interpreter.h" 5 #include "src/interpreter/interpreter.h"
6 6
7 #include <fstream> 7 #include <fstream>
8 #include <memory> 8 #include <memory>
9 9
10 #include "src/ast/prettyprinter.h" 10 #include "src/ast/prettyprinter.h"
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1986 void Interpreter::DoCreateBlockContext(InterpreterAssembler* assembler) { 1986 void Interpreter::DoCreateBlockContext(InterpreterAssembler* assembler) {
1987 Node* index = __ BytecodeOperandIdx(0); 1987 Node* index = __ BytecodeOperandIdx(0);
1988 Node* scope_info = __ LoadConstantPoolEntry(index); 1988 Node* scope_info = __ LoadConstantPoolEntry(index);
1989 Node* closure = __ GetAccumulator(); 1989 Node* closure = __ GetAccumulator();
1990 Node* context = __ GetContext(); 1990 Node* context = __ GetContext();
1991 __ SetAccumulator( 1991 __ SetAccumulator(
1992 __ CallRuntime(Runtime::kPushBlockContext, context, scope_info, closure)); 1992 __ CallRuntime(Runtime::kPushBlockContext, context, scope_info, closure));
1993 __ Dispatch(); 1993 __ Dispatch();
1994 } 1994 }
1995 1995
1996 // CreateCatchContext <exception> <index> 1996 // CreateCatchContext <exception> <name_idx> <scope_info_idx>
1997 // 1997 //
1998 // Creates a new context for a catch block with the |exception| in a register, 1998 // Creates a new context for a catch block with the |exception| in a register,
1999 // the variable name at |index| and the closure in the accumulator. 1999 // the variable name at |name_idx|, the ScopeInfo at |scope_info_idx|, and the
2000 // closure in the accumulator.
2000 void Interpreter::DoCreateCatchContext(InterpreterAssembler* assembler) { 2001 void Interpreter::DoCreateCatchContext(InterpreterAssembler* assembler) {
2001 Node* exception_reg = __ BytecodeOperandReg(0); 2002 Node* exception_reg = __ BytecodeOperandReg(0);
2002 Node* exception = __ LoadRegister(exception_reg); 2003 Node* exception = __ LoadRegister(exception_reg);
2003 Node* index = __ BytecodeOperandIdx(1); 2004 Node* name_idx = __ BytecodeOperandIdx(1);
2004 Node* name = __ LoadConstantPoolEntry(index); 2005 Node* name = __ LoadConstantPoolEntry(name_idx);
2006 Node* scope_info_idx = __ BytecodeOperandIdx(2);
2007 Node* scope_info = __ LoadConstantPoolEntry(scope_info_idx);
2005 Node* closure = __ GetAccumulator(); 2008 Node* closure = __ GetAccumulator();
2006 Node* context = __ GetContext(); 2009 Node* context = __ GetContext();
2007 __ SetAccumulator(__ CallRuntime(Runtime::kPushCatchContext, context, name, 2010 __ SetAccumulator(__ CallRuntime(Runtime::kPushCatchContext, context, name,
2008 exception, closure)); 2011 exception, scope_info, closure));
2009 __ Dispatch(); 2012 __ Dispatch();
2010 } 2013 }
2011 2014
2012 // CreateFunctionContext <slots> 2015 // CreateFunctionContext <slots>
2013 // 2016 //
2014 // Creates a new context with number of |slots| for the function closure. 2017 // Creates a new context with number of |slots| for the function closure.
2015 void Interpreter::DoCreateFunctionContext(InterpreterAssembler* assembler) { 2018 void Interpreter::DoCreateFunctionContext(InterpreterAssembler* assembler) {
2016 Node* closure = __ LoadRegister(Register::function_closure()); 2019 Node* closure = __ LoadRegister(Register::function_closure());
2017 Node* slots = __ BytecodeOperandIdx(0); 2020 Node* slots = __ BytecodeOperandIdx(0);
2018 Node* context = __ GetContext(); 2021 Node* context = __ GetContext();
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2464 __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset, 2467 __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset,
2465 __ SmiTag(new_state)); 2468 __ SmiTag(new_state));
2466 __ SetAccumulator(old_state); 2469 __ SetAccumulator(old_state);
2467 2470
2468 __ Dispatch(); 2471 __ Dispatch();
2469 } 2472 }
2470 2473
2471 } // namespace interpreter 2474 } // namespace interpreter
2472 } // namespace internal 2475 } // namespace internal
2473 } // namespace v8 2476 } // namespace v8
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