1 2 """ 3 opcode module - potentially shared between dis and other modules which 4 operate on bytecodes (e.g. peephole optimizers). 5 """ 6 7 __all__ = ["cmp_op", "hasconst", "hasname", "hasjrel", "hasjabs", 8 "haslocal", "hascompare", "hasfree", "opname", "opmap", 9 "HAVE_ARGUMENT", "EXTENDED_ARG"] 10 11 cmp_op = ('<', '<=', '==', '!=', '>', '>=', 'in', 'not in', 'is', 12 'is not', 'exception match', 'BAD') 13 14 hasconst = [] 15 hasname = [] 16 hasjrel = [] 17 hasjabs = [] 18 haslocal = [] 19 hascompare = [] 20 hasfree = [] 21 22 opmap = {} 23 opname = [''] * 256 24 for op in range(256): opname[op] = '<%r>' % (op,) 25 del op 26 27 def def_op(name, op): 28 opname[op] = name 29 opmap[name] = op 30 31 def name_op(name, op): 32 def_op(name, op) 33 hasname.append(op) 34 35 def jrel_op(name, op): 36 def_op(name, op) 37 hasjrel.append(op) 38 39 def jabs_op(name, op): 40 def_op(name, op) 41 hasjabs.append(op) 42 43 # Instruction opcodes for compiled code 44 # Blank lines correspond to available opcodes 45 46 def_op('STOP_CODE', 0) 47 def_op('POP_TOP', 1) 48 def_op('ROT_TWO', 2) 49 def_op('ROT_THREE', 3) 50 def_op('DUP_TOP', 4) 51 def_op('ROT_FOUR', 5) 52 53 def_op('NOP', 9) 54 def_op('UNARY_POSITIVE', 10) 55 def_op('UNARY_NEGATIVE', 11) 56 def_op('UNARY_NOT', 12) 57 def_op('UNARY_CONVERT', 13) 58 59 def_op('UNARY_INVERT', 15) 60 61 def_op('BINARY_POWER', 19) 62 def_op('BINARY_MULTIPLY', 20) 63 def_op('BINARY_DIVIDE', 21) 64 def_op('BINARY_MODULO', 22) 65 def_op('BINARY_ADD', 23) 66 def_op('BINARY_SUBTRACT', 24) 67 def_op('BINARY_SUBSCR', 25) 68 def_op('BINARY_FLOOR_DIVIDE', 26) 69 def_op('BINARY_TRUE_DIVIDE', 27) 70 def_op('INPLACE_FLOOR_DIVIDE', 28) 71 def_op('INPLACE_TRUE_DIVIDE', 29) 72 def_op('SLICE+0', 30) 73 def_op('SLICE+1', 31) 74 def_op('SLICE+2', 32) 75 def_op('SLICE+3', 33) 76 77 def_op('STORE_SLICE+0', 40) 78 def_op('STORE_SLICE+1', 41) 79 def_op('STORE_SLICE+2', 42) 80 def_op('STORE_SLICE+3', 43) 81 82 def_op('DELETE_SLICE+0', 50) 83 def_op('DELETE_SLICE+1', 51) 84 def_op('DELETE_SLICE+2', 52) 85 def_op('DELETE_SLICE+3', 53) 86 87 def_op('STORE_MAP', 54) 88 def_op('INPLACE_ADD', 55) 89 def_op('INPLACE_SUBTRACT', 56) 90 def_op('INPLACE_MULTIPLY', 57) 91 def_op('INPLACE_DIVIDE', 58) 92 def_op('INPLACE_MODULO', 59) 93 def_op('STORE_SUBSCR', 60) 94 def_op('DELETE_SUBSCR', 61) 95 def_op('BINARY_LSHIFT', 62) 96 def_op('BINARY_RSHIFT', 63) 97 def_op('BINARY_AND', 64) 98 def_op('BINARY_XOR', 65) 99 def_op('BINARY_OR', 66) 100 def_op('INPLACE_POWER', 67) 101 def_op('GET_ITER', 68) 102 103 def_op('PRINT_EXPR', 70) 104 def_op('PRINT_ITEM', 71) 105 def_op('PRINT_NEWLINE', 72) 106 def_op('PRINT_ITEM_TO', 73) 107 def_op('PRINT_NEWLINE_TO', 74) 108 def_op('INPLACE_LSHIFT', 75) 109 def_op('INPLACE_RSHIFT', 76) 110 def_op('INPLACE_AND', 77) 111 def_op('INPLACE_XOR', 78) 112 def_op('INPLACE_OR', 79) 113 def_op('BREAK_LOOP', 80) 114 def_op('WITH_CLEANUP', 81) 115 def_op('LOAD_LOCALS', 82) 116 def_op('RETURN_VALUE', 83) 117 def_op('IMPORT_STAR', 84) 118 def_op('EXEC_STMT', 85) 119 def_op('YIELD_VALUE', 86) 120 def_op('POP_BLOCK', 87) 121 def_op('END_FINALLY', 88) 122 def_op('BUILD_CLASS', 89) 123 124 HAVE_ARGUMENT = 90 # Opcodes from here have an argument: 125 126 name_op('STORE_NAME', 90) # Index in name list 127 name_op('DELETE_NAME', 91) # "" 128 def_op('UNPACK_SEQUENCE', 92) # Number of tuple items 129 jrel_op('FOR_ITER', 93) 130 def_op('LIST_APPEND', 94) 131 name_op('STORE_ATTR', 95) # Index in name list 132 name_op('DELETE_ATTR', 96) # "" 133 name_op('STORE_GLOBAL', 97) # "" 134 name_op('DELETE_GLOBAL', 98) # "" 135 def_op('DUP_TOPX', 99) # number of items to duplicate 136 def_op('LOAD_CONST', 100) # Index in const list 137 hasconst.append(100) 138 name_op('LOAD_NAME', 101) # Index in name list 139 def_op('BUILD_TUPLE', 102) # Number of tuple items 140 def_op('BUILD_LIST', 103) # Number of list items 141 def_op('BUILD_SET', 104) # Number of set items 142 def_op('BUILD_MAP', 105) # Number of dict entries (upto 255) 143 name_op('LOAD_ATTR', 106) # Index in name list 144 def_op('COMPARE_OP', 107) # Comparison operator 145 hascompare.append(107) 146 name_op('IMPORT_NAME', 108) # Index in name list 147 name_op('IMPORT_FROM', 109) # Index in name list 148 jrel_op('JUMP_FORWARD', 110) # Number of bytes to skip 149 jabs_op('JUMP_IF_FALSE_OR_POP', 111) # Target byte offset from beginning of code 150 jabs_op('JUMP_IF_TRUE_OR_POP', 112) # "" 151 jabs_op('JUMP_ABSOLUTE', 113) # "" 152 jabs_op('POP_JUMP_IF_FALSE', 114) # "" 153 jabs_op('POP_JUMP_IF_TRUE', 115) # "" 154 155 name_op('LOAD_GLOBAL', 116) # Index in name list 156 157 jabs_op('CONTINUE_LOOP', 119) # Target address 158 jrel_op('SETUP_LOOP', 120) # Distance to target address 159 jrel_op('SETUP_EXCEPT', 121) # "" 160 jrel_op('SETUP_FINALLY', 122) # "" 161 162 def_op('LOAD_FAST', 124) # Local variable number 163 haslocal.append(124) 164 def_op('STORE_FAST', 125) # Local variable number 165 haslocal.append(125) 166 def_op('DELETE_FAST', 126) # Local variable number 167 haslocal.append(126) 168 169 def_op('RAISE_VARARGS', 130) # Number of raise arguments (1, 2, or 3) 170 def_op('CALL_FUNCTION', 131) # #args + (#kwargs << 8) 171 def_op('MAKE_FUNCTION', 132) # Number of args with default values 172 def_op('BUILD_SLICE', 133) # Number of items 173 def_op('MAKE_CLOSURE', 134) 174 def_op('LOAD_CLOSURE', 135) 175 hasfree.append(135) 176 def_op('LOAD_DEREF', 136) 177 hasfree.append(136) 178 def_op('STORE_DEREF', 137) 179 hasfree.append(137) 180 181 def_op('CALL_FUNCTION_VAR', 140) # #args + (#kwargs << 8) 182 def_op('CALL_FUNCTION_KW', 141) # #args + (#kwargs << 8) 183 def_op('CALL_FUNCTION_VAR_KW', 142) # #args + (#kwargs << 8) 184 185 jrel_op('SETUP_WITH', 143) 186 187 def_op('EXTENDED_ARG', 145) 188 EXTENDED_ARG = 145 189 def_op('SET_ADD', 146) 190 def_op('MAP_ADD', 147) 191 192 del def_op, name_op, jrel_op, jabs_op 193
