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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 #ifndef V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ | 5 #ifndef V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ |
6 #define V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ | 6 #define V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "src/ast.h" | 10 #include "src/ast.h" |
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102 | 102 |
103 static Bytecode BytecodeForBinaryOperation(Token::Value op); | 103 static Bytecode BytecodeForBinaryOperation(Token::Value op); |
104 static Bytecode BytecodeForCompareOperation(Token::Value op); | 104 static Bytecode BytecodeForCompareOperation(Token::Value op); |
105 static bool FitsInIdxOperand(int value); | 105 static bool FitsInIdxOperand(int value); |
106 static bool FitsInIdxOperand(size_t value); | 106 static bool FitsInIdxOperand(size_t value); |
107 static bool FitsInImm8Operand(int value); | 107 static bool FitsInImm8Operand(int value); |
108 static bool IsJumpWithImm8Operand(Bytecode jump_bytecode); | 108 static bool IsJumpWithImm8Operand(Bytecode jump_bytecode); |
109 static Bytecode GetJumpWithConstantOperand(Bytecode jump_with_smi8_operand); | 109 static Bytecode GetJumpWithConstantOperand(Bytecode jump_with_smi8_operand); |
110 | 110 |
111 template <size_t N> | 111 template <size_t N> |
112 INLINE(void Output(uint8_t(&bytes)[N])); | 112 INLINE(void Output(Bytecode bytecode, uint32_t(&oprands)[N])); |
113 void Output(Bytecode bytecode, uint8_t operand0, uint8_t operand1, | 113 void Output(Bytecode bytecode, uint32_t operand0, uint32_t operand1, |
114 uint8_t operand2); | 114 uint32_t operand2); |
115 void Output(Bytecode bytecode, uint8_t operand0, uint8_t operand1); | 115 void Output(Bytecode bytecode, uint32_t operand0, uint32_t operand1); |
116 void Output(Bytecode bytecode, uint8_t operand0); | 116 void Output(Bytecode bytecode, uint32_t operand0); |
117 void Output(Bytecode bytecode); | 117 void Output(Bytecode bytecode); |
| 118 BytecodeArrayBuilder& OutputJump(Bytecode jump_bytecode, |
| 119 BytecodeLabel* label); |
118 void PatchJump(const ZoneVector<uint8_t>::iterator& jump_target, | 120 void PatchJump(const ZoneVector<uint8_t>::iterator& jump_target, |
119 ZoneVector<uint8_t>::iterator jump_location); | 121 ZoneVector<uint8_t>::iterator jump_location); |
120 BytecodeArrayBuilder& OutputJump(Bytecode jump_bytecode, | |
121 BytecodeLabel* label); | |
122 | 122 |
123 void EnsureReturn(); | 123 void EnsureReturn(); |
124 | 124 |
125 bool OperandIsValid(Bytecode bytecode, int operand_index, | 125 bool OperandIsValid(Bytecode bytecode, int operand_index, |
126 uint8_t operand_value) const; | 126 uint32_t operand_value) const; |
127 bool LastBytecodeInSameBlock() const; | 127 bool LastBytecodeInSameBlock() const; |
128 | 128 |
129 size_t GetConstantPoolEntry(Handle<Object> object); | 129 size_t GetConstantPoolEntry(Handle<Object> object); |
130 | 130 |
131 // Scope helpers used by TemporaryRegisterScope | 131 // Scope helpers used by TemporaryRegisterScope |
132 int BorrowTemporaryRegister(); | 132 int BorrowTemporaryRegister(); |
133 void ReturnTemporaryRegister(int reg_index); | 133 void ReturnTemporaryRegister(int reg_index); |
134 | 134 |
135 Isolate* isolate_; | 135 Isolate* isolate_; |
136 ZoneVector<uint8_t> bytecodes_; | 136 ZoneVector<uint8_t> bytecodes_; |
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210 | 210 |
211 DISALLOW_COPY_AND_ASSIGN(TemporaryRegisterScope); | 211 DISALLOW_COPY_AND_ASSIGN(TemporaryRegisterScope); |
212 }; | 212 }; |
213 | 213 |
214 | 214 |
215 } // namespace interpreter | 215 } // namespace interpreter |
216 } // namespace internal | 216 } // namespace internal |
217 } // namespace v8 | 217 } // namespace v8 |
218 | 218 |
219 #endif // V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ | 219 #endif // V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ |
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