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Side by Side Diff: src/interpreter/bytecodes.h

Issue 1288333002: [interpreter]: Update BytecodeArrayBuilder register handling. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 4 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 #ifndef V8_INTERPRETER_BYTECODES_H_ 5 #ifndef V8_INTERPRETER_BYTECODES_H_
6 #define V8_INTERPRETER_BYTECODES_H_ 6 #define V8_INTERPRETER_BYTECODES_H_
7 7
8 #include <iosfwd> 8 #include <iosfwd>
9 9
10 // Clients of this interface shouldn't depend on lots of interpreter internals. 10 // Clients of this interface shouldn't depend on lots of interpreter internals.
(...skipping 60 matching lines...) Expand 10 before | Expand all | Expand 10 after
71 kLast = -1 BYTECODE_LIST(COUNT_BYTECODE) 71 kLast = -1 BYTECODE_LIST(COUNT_BYTECODE)
72 #undef COUNT_BYTECODE 72 #undef COUNT_BYTECODE
73 }; 73 };
74 74
75 75
76 class Bytecodes { 76 class Bytecodes {
77 public: 77 public:
78 // Returns string representation of |bytecode|. 78 // Returns string representation of |bytecode|.
79 static const char* ToString(Bytecode bytecode); 79 static const char* ToString(Bytecode bytecode);
80 80
81 // Returns string representation of |operand_type|.
82 static const char* OperandTypeToString(OperandType operand_type);
83
81 // Returns byte value of bytecode. 84 // Returns byte value of bytecode.
82 static uint8_t ToByte(Bytecode bytecode); 85 static uint8_t ToByte(Bytecode bytecode);
83 86
84 // Returns bytecode for |value|. 87 // Returns bytecode for |value|.
85 static Bytecode FromByte(uint8_t value); 88 static Bytecode FromByte(uint8_t value);
86 89
87 // Returns the number of operands expected by |bytecode|. 90 // Returns the number of operands expected by |bytecode|.
88 static int NumberOfOperands(Bytecode bytecode); 91 static int NumberOfOperands(Bytecode bytecode);
89 92
90 // Return the i-th operand of |bytecode|. 93 // Return the i-th operand of |bytecode|.
91 static OperandType GetOperandType(Bytecode bytecode, int i); 94 static OperandType GetOperandType(Bytecode bytecode, int i);
92 95
93 // Returns the size of the bytecode including its operands. 96 // Returns the size of the bytecode including its operands.
94 static int Size(Bytecode bytecode); 97 static int Size(Bytecode bytecode);
95 98
96 // The maximum number of operands across all bytecodes. 99 // The maximum number of operands across all bytecodes.
97 static int MaximumNumberOfOperands(); 100 static int MaximumNumberOfOperands();
98 101
99 // Maximum size of a bytecode and its operands. 102 // Maximum size of a bytecode and its operands.
100 static int MaximumSize(); 103 static int MaximumSize();
101 104
102 // Decode a single bytecode and operands to |os|. 105 // Decode a single bytecode and operands to |os|.
103 static std::ostream& Decode(std::ostream& os, const uint8_t* bytecode_start); 106 static std::ostream& Decode(std::ostream& os, const uint8_t* bytecode_start);
104 107
105 private: 108 private:
106 DISALLOW_IMPLICIT_CONSTRUCTORS(Bytecodes); 109 DISALLOW_IMPLICIT_CONSTRUCTORS(Bytecodes);
107 }; 110 };
108 111
109 std::ostream& operator<<(std::ostream& os, const Bytecode& bytecode); 112 std::ostream& operator<<(std::ostream& os, const Bytecode& bytecode);
113 std::ostream& operator<<(std::ostream& os, const OperandType& operand_type);
110 114
111 } // namespace interpreter 115 } // namespace interpreter
112 } // namespace internal 116 } // namespace internal
113 } // namespace v8 117 } // namespace v8
114 118
115 #endif // V8_INTERPRETER_BYTECODES_H_ 119 #endif // V8_INTERPRETER_BYTECODES_H_
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