README
¶
pygo
pygo is WIP project to implement a python interpreter in the Go programming language.
pygo is a learning vehicule for interpreter technologies.
Most of this work has been derived from the AOSA Book chapter "A Python Interpreter Written in Python" and its accompanying source code in the github.com/nedbat/byterun repository.
pygo interprets python2 bytecode.
It does not (yet?) directly compile python code to bytecode and then
interprets it.
pygo assumes the code has been already compiled to bytecode by some mechanism.
tiny-interp
As in the AOSA book, we'll start with a tiny interpreter, tiny-interp.
The code is under cmd/tiny-interp.
Documentation
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Overview ¶
pygo exposes an API to interpret Python bytecode.
Index ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type Code ¶
type Code struct {
Prog []Instruction // Prog is the set of instructions to execute.
Numbers []int // Numbers is the data being manipulated by the program.
Names []string // Names is the list of variables' names.
}
Code is a complete bytecompiled program together with data.
type Instruction ¶
type Instruction interface{}
Instruction is a single instruction in a bytecode stream.
type Interpreter ¶
type Interpreter struct {
// contains filtered or unexported fields
}
Interpreter interprets instructions for the pygo interpreter.
func (*Interpreter) Run ¶
func (interp *Interpreter) Run(code Code)
Run interprets code compiled to bytecode by some means.
type Opcode ¶
type Opcode byte
Opcode is a single bytecode operation for the Python interpreter. Operands (if any) for the opcode follow in the bytecode stream.
const ( Op_000 Opcode = 0 Op_POP_TOP Opcode = 1 Op_ROT_TWO Opcode = 2 Op_ROT_THREE Opcode = 3 Op_DUP_TOP Opcode = 4 Op_DUP_TOP_TWO Opcode = 5 Op_006 Opcode = 6 Op_007 Opcode = 7 Op_008 Opcode = 8 Op_NOP Opcode = 9 Op_UNARY_POSITIVE Opcode = 10 Op_UNARY_NEGATIVE Opcode = 11 Op_UNARY_NOT Opcode = 12 Op_013 Opcode = 13 Op_014 Opcode = 14 Op_UNARY_INVERT Opcode = 15 Op_BINARY_MATRIX_MULTIPLY Opcode = 16 Op_INPLACE_MATRIX_MULTIPLY Opcode = 17 Op_018 Opcode = 18 Op_BINARY_POWER Opcode = 19 Op_BINARY_MULTIPLY Opcode = 20 Op_021 Opcode = 21 Op_BINARY_MODULO Opcode = 22 Op_BINARY_ADD Opcode = 23 Op_BINARY_SUBTRACT Opcode = 24 Op_BINARY_SUBSCR Opcode = 25 Op_BINARY_FLOOR_DIVIDE Opcode = 26 Op_BINARY_TRUE_DIVIDE Opcode = 27 Op_INPLACE_FLOOR_DIVIDE Opcode = 28 Op_INPLACE_TRUE_DIVIDE Opcode = 29 Op_030 Opcode = 30 Op_031 Opcode = 31 Op_032 Opcode = 32 Op_033 Opcode = 33 Op_034 Opcode = 34 Op_035 Opcode = 35 Op_036 Opcode = 36 Op_037 Opcode = 37 Op_038 Opcode = 38 Op_039 Opcode = 39 Op_040 Opcode = 40 Op_041 Opcode = 41 Op_042 Opcode = 42 Op_043 Opcode = 43 Op_044 Opcode = 44 Op_045 Opcode = 45 Op_046 Opcode = 46 Op_047 Opcode = 47 Op_048 Opcode = 48 Op_049 Opcode = 49 Op_GET_AITER Opcode = 50 Op_GET_ANEXT Opcode = 51 Op_BEFORE_ASYNC_WITH Opcode = 52 Op_053 Opcode = 53 Op_054 Opcode = 54 Op_INPLACE_ADD Opcode = 55 Op_INPLACE_SUBTRACT Opcode = 56 Op_INPLACE_MULTIPLY Opcode = 57 Op_058 Opcode = 58 Op_INPLACE_MODULO Opcode = 59 Op_STORE_SUBSCR Opcode = 60 Op_DELETE_SUBSCR Opcode = 61 Op_BINARY_LSHIFT Opcode = 62 Op_BINARY_RSHIFT Opcode = 63 Op_BINARY_AND Opcode = 64 Op_BINARY_XOR Opcode = 65 Op_BINARY_OR Opcode = 66 Op_INPLACE_POWER Opcode = 67 Op_GET_ITER Opcode = 68 Op_GET_YIELD_FROM_ITER Opcode = 69 Op_PRINT_EXPR Opcode = 70 Op_LOAD_BUILD_CLASS Opcode = 71 Op_YIELD_FROM Opcode = 72 Op_GET_AWAITABLE Opcode = 73 Op_074 Opcode = 74 Op_INPLACE_LSHIFT Opcode = 75 Op_INPLACE_RSHIFT Opcode = 76 Op_INPLACE_AND Opcode = 77 Op_INPLACE_XOR Opcode = 78 Op_INPLACE_OR Opcode = 79 Op_BREAK_LOOP Opcode = 80 Op_WITH_CLEANUP_START Opcode = 81 Op_WITH_CLEANUP_FINISH Opcode = 82 Op_RETURN_VALUE Opcode = 83 Op_IMPORT_STAR Opcode = 84 Op_085 Opcode = 85 Op_YIELD_VALUE Opcode = 86 Op_POP_BLOCK Opcode = 87 Op_END_FINALLY Opcode = 88 Op_POP_EXCEPT Opcode = 89 Op_STORE_NAME Opcode = 90 Op_DELETE_NAME Opcode = 91 Op_UNPACK_SEQUENCE Opcode = 92 Op_FOR_ITER Opcode = 93 Op_UNPACK_EX Opcode = 94 Op_STORE_ATTR Opcode = 95 Op_DELETE_ATTR Opcode = 96 Op_STORE_GLOBAL Opcode = 97 Op_DELETE_GLOBAL Opcode = 98 Op_099 Opcode = 99 Op_LOAD_CONST Opcode = 100 Op_LOAD_NAME Opcode = 101 Op_BUILD_TUPLE Opcode = 102 Op_BUILD_LIST Opcode = 103 Op_BUILD_SET Opcode = 104 Op_BUILD_MAP Opcode = 105 Op_LOAD_ATTR Opcode = 106 Op_COMPARE_OP Opcode = 107 Op_IMPORT_NAME Opcode = 108 Op_IMPORT_FROM Opcode = 109 Op_JUMP_FORWARD Opcode = 110 Op_JUMP_IF_FALSE_OR_POP Opcode = 111 Op_JUMP_IF_TRUE_OR_POP Opcode = 112 Op_JUMP_ABSOLUTE Opcode = 113 Op_POP_JUMP_IF_FALSE Opcode = 114 Op_POP_JUMP_IF_TRUE Opcode = 115 Op_LOAD_GLOBAL Opcode = 116 Op_117 Opcode = 117 Op_118 Opcode = 118 Op_CONTINUE_LOOP Opcode = 119 Op_SETUP_LOOP Opcode = 120 Op_SETUP_EXCEPT Opcode = 121 Op_SETUP_FINALLY Opcode = 122 Op_123 Opcode = 123 Op_LOAD_FAST Opcode = 124 Op_STORE_FAST Opcode = 125 Op_DELETE_FAST Opcode = 126 Op_127 Opcode = 127 Op_128 Opcode = 128 Op_129 Opcode = 129 Op_RAISE_VARARGS Opcode = 130 Op_CALL_FUNCTION Opcode = 131 Op_MAKE_FUNCTION Opcode = 132 Op_BUILD_SLICE Opcode = 133 Op_MAKE_CLOSURE Opcode = 134 Op_LOAD_CLOSURE Opcode = 135 Op_LOAD_DEREF Opcode = 136 Op_STORE_DEREF Opcode = 137 Op_DELETE_DEREF Opcode = 138 Op_139 Opcode = 139 Op_CALL_FUNCTION_VAR Opcode = 140 Op_CALL_FUNCTION_KW Opcode = 141 Op_CALL_FUNCTION_VAR_KW Opcode = 142 Op_SETUP_WITH Opcode = 143 Op_EXTENDED_ARG Opcode = 144 Op_LIST_APPEND Opcode = 145 Op_SET_ADD Opcode = 146 Op_MAP_ADD Opcode = 147 Op_LOAD_CLASSDEREF Opcode = 148 Op_BUILD_LIST_UNPACK Opcode = 149 Op_BUILD_MAP_UNPACK Opcode = 150 Op_BUILD_MAP_UNPACK_WITH_CALL Opcode = 151 Op_BUILD_TUPLE_UNPACK Opcode = 152 Op_BUILD_SET_UNPACK Opcode = 153 Op_SETUP_ASYNC_WITH Opcode = 154 Op_155 Opcode = 155 Op_156 Opcode = 156 Op_157 Opcode = 157 Op_158 Opcode = 158 Op_159 Opcode = 159 Op_160 Opcode = 160 Op_161 Opcode = 161 Op_162 Opcode = 162 Op_163 Opcode = 163 Op_164 Opcode = 164 Op_165 Opcode = 165 Op_166 Opcode = 166 Op_167 Opcode = 167 Op_168 Opcode = 168 Op_169 Opcode = 169 Op_170 Opcode = 170 Op_171 Opcode = 171 Op_172 Opcode = 172 Op_173 Opcode = 173 Op_174 Opcode = 174 Op_175 Opcode = 175 Op_176 Opcode = 176 Op_177 Opcode = 177 Op_178 Opcode = 178 Op_179 Opcode = 179 Op_180 Opcode = 180 Op_181 Opcode = 181 Op_182 Opcode = 182 Op_183 Opcode = 183 Op_184 Opcode = 184 Op_185 Opcode = 185 Op_186 Opcode = 186 Op_187 Opcode = 187 Op_188 Opcode = 188 Op_189 Opcode = 189 Op_190 Opcode = 190 Op_191 Opcode = 191 Op_192 Opcode = 192 Op_193 Opcode = 193 Op_194 Opcode = 194 Op_195 Opcode = 195 Op_196 Opcode = 196 Op_197 Opcode = 197 Op_198 Opcode = 198 Op_199 Opcode = 199 Op_200 Opcode = 200 Op_201 Opcode = 201 Op_202 Opcode = 202 Op_203 Opcode = 203 Op_204 Opcode = 204 Op_205 Opcode = 205 Op_206 Opcode = 206 Op_207 Opcode = 207 Op_208 Opcode = 208 Op_209 Opcode = 209 Op_210 Opcode = 210 Op_211 Opcode = 211 Op_212 Opcode = 212 Op_213 Opcode = 213 Op_214 Opcode = 214 Op_215 Opcode = 215 Op_216 Opcode = 216 Op_217 Opcode = 217 Op_218 Opcode = 218 Op_219 Opcode = 219 Op_220 Opcode = 220 Op_221 Opcode = 221 Op_222 Opcode = 222 Op_223 Opcode = 223 Op_224 Opcode = 224 Op_225 Opcode = 225 Op_226 Opcode = 226 Op_227 Opcode = 227 Op_228 Opcode = 228 Op_229 Opcode = 229 Op_230 Opcode = 230 Op_231 Opcode = 231 Op_232 Opcode = 232 Op_233 Opcode = 233 Op_234 Opcode = 234 Op_235 Opcode = 235 Op_236 Opcode = 236 Op_237 Opcode = 237 Op_238 Opcode = 238 Op_239 Opcode = 239 Op_240 Opcode = 240 Op_241 Opcode = 241 Op_242 Opcode = 242 Op_243 Opcode = 243 Op_244 Opcode = 244 Op_245 Opcode = 245 Op_246 Opcode = 246 Op_247 Opcode = 247 Op_248 Opcode = 248 Op_249 Opcode = 249 Op_250 Opcode = 250 Op_251 Opcode = 251 Op_252 Opcode = 252 Op_253 Opcode = 253 Op_254 Opcode = 254 Op_255 Opcode = 255 )
Python-3 Opcodes
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