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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_ITERATOR_H_ | 5 #ifndef V8_INTERPRETER_BYTECODE_ARRAY_ITERATOR_H_ |
6 #define V8_INTERPRETER_BYTECODE_ARRAY_ITERATOR_H_ | 6 #define V8_INTERPRETER_BYTECODE_ARRAY_ITERATOR_H_ |
7 | 7 |
8 #include "src/handles.h" | 8 #include "src/handles.h" |
9 #include "src/interpreter/bytecodes.h" | 9 #include "src/interpreter/bytecodes.h" |
10 #include "src/objects.h" | 10 #include "src/objects.h" |
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22 Bytecode current_bytecode() const; | 22 Bytecode current_bytecode() const; |
23 int current_bytecode_size() const; | 23 int current_bytecode_size() const; |
24 void set_current_offset(int offset) { bytecode_offset_ = offset; } | 24 void set_current_offset(int offset) { bytecode_offset_ = offset; } |
25 int current_offset() const { return bytecode_offset_; } | 25 int current_offset() const { return bytecode_offset_; } |
26 const Handle<BytecodeArray>& bytecode_array() const { | 26 const Handle<BytecodeArray>& bytecode_array() const { |
27 return bytecode_array_; | 27 return bytecode_array_; |
28 } | 28 } |
29 | 29 |
30 int8_t GetImmediateOperand(int operand_index) const; | 30 int8_t GetImmediateOperand(int operand_index) const; |
31 int GetIndexOperand(int operand_index) const; | 31 int GetIndexOperand(int operand_index) const; |
32 int GetCountOperand(int operand_index) const; | 32 int GetRegisterCountOperand(int operand_index) const; |
33 Register GetRegisterOperand(int operand_index) const; | 33 Register GetRegisterOperand(int operand_index) const; |
34 int GetRegisterOperandRange(int operand_index) const; | 34 int GetRegisterOperandRange(int operand_index) const; |
35 Handle<Object> GetConstantForIndexOperand(int operand_index) const; | 35 Handle<Object> GetConstantForIndexOperand(int operand_index) const; |
36 | 36 |
37 // Get the raw byte for the given operand. Note: you should prefer using the | 37 // Get the raw byte for the given operand. Note: you should prefer using the |
38 // typed versions above which cast the return to an appropriate type. | 38 // typed versions above which cast the return to an appropriate type. |
39 uint32_t GetRawOperand(int operand_index, OperandType operand_type) const; | 39 uint32_t GetRawOperand(int operand_index, OperandType operand_type) const; |
40 | 40 |
41 // Returns the absolute offset of the branch target at the current | 41 // Returns the absolute offset of the branch target at the current |
42 // bytecode. It is an error to call this method if the bytecode is | 42 // bytecode. It is an error to call this method if the bytecode is |
43 // not for a jump or conditional jump. | 43 // not for a jump or conditional jump. |
44 int GetJumpTargetOffset() const; | 44 int GetJumpTargetOffset() const; |
45 | 45 |
46 private: | 46 private: |
47 Handle<BytecodeArray> bytecode_array_; | 47 Handle<BytecodeArray> bytecode_array_; |
48 int bytecode_offset_; | 48 int bytecode_offset_; |
49 | 49 |
50 DISALLOW_COPY_AND_ASSIGN(BytecodeArrayIterator); | 50 DISALLOW_COPY_AND_ASSIGN(BytecodeArrayIterator); |
51 }; | 51 }; |
52 | 52 |
53 } // namespace interpreter | 53 } // namespace interpreter |
54 } // namespace internal | 54 } // namespace internal |
55 } // namespace v8 | 55 } // namespace v8 |
56 | 56 |
57 #endif // V8_INTERPRETER_BYTECODE_GRAPH_ITERATOR_H_ | 57 #endif // V8_INTERPRETER_BYTECODE_GRAPH_ITERATOR_H_ |
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