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python2.7
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opcode.py
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""" opcode module - potentially shared between dis and other modules which operate on bytecodes (e.g. peephole optimizers). """ __all__ = ["cmp_op", "hasconst", "hasname", "hasjrel", "hasjabs", "haslocal", "hascompare", "hasfree", "opname", "opmap", "HAVE_ARGUMENT", "EXTENDED_ARG"] cmp_op = ('<', '<=', '==', '!=', '>', '>=', 'in', 'not in', 'is', 'is not', 'exception match', 'BAD') hasconst = [] hasname = [] hasjrel = [] hasjabs = [] haslocal = [] hascompare = [] hasfree = [] opmap = {} opname = [''] * 256 for op in range(256): opname[op] = '<%r>' % (op,) del op def def_op(name, op): opname[op] = name opmap[name] = op def name_op(name, op): def_op(name, op) hasname.append(op) def jrel_op(name, op): def_op(name, op) hasjrel.append(op) def jabs_op(name, op): def_op(name, op) hasjabs.append(op) # Instruction opcodes for compiled code # Blank lines correspond to available opcodes def_op('STOP_CODE', 0) def_op('POP_TOP', 1) def_op('ROT_TWO', 2) def_op('ROT_THREE', 3) def_op('DUP_TOP', 4) def_op('ROT_FOUR', 5) def_op('NOP', 9) def_op('UNARY_POSITIVE', 10) def_op('UNARY_NEGATIVE', 11) def_op('UNARY_NOT', 12) def_op('UNARY_CONVERT', 13) def_op('UNARY_INVERT', 15) def_op('BINARY_POWER', 19) def_op('BINARY_MULTIPLY', 20) def_op('BINARY_DIVIDE', 21) def_op('BINARY_MODULO', 22) def_op('BINARY_ADD', 23) def_op('BINARY_SUBTRACT', 24) def_op('BINARY_SUBSCR', 25) def_op('BINARY_FLOOR_DIVIDE', 26) def_op('BINARY_TRUE_DIVIDE', 27) def_op('INPLACE_FLOOR_DIVIDE', 28) def_op('INPLACE_TRUE_DIVIDE', 29) def_op('SLICE+0', 30) def_op('SLICE+1', 31) def_op('SLICE+2', 32) def_op('SLICE+3', 33) def_op('STORE_SLICE+0', 40) def_op('STORE_SLICE+1', 41) def_op('STORE_SLICE+2', 42) def_op('STORE_SLICE+3', 43) def_op('DELETE_SLICE+0', 50) def_op('DELETE_SLICE+1', 51) def_op('DELETE_SLICE+2', 52) def_op('DELETE_SLICE+3', 53) def_op('STORE_MAP', 54) def_op('INPLACE_ADD', 55) def_op('INPLACE_SUBTRACT', 56) def_op('INPLACE_MULTIPLY', 57) def_op('INPLACE_DIVIDE', 58) def_op('INPLACE_MODULO', 59) def_op('STORE_SUBSCR', 60) def_op('DELETE_SUBSCR', 61) def_op('BINARY_LSHIFT', 62) def_op('BINARY_RSHIFT', 63) def_op('BINARY_AND', 64) def_op('BINARY_XOR', 65) def_op('BINARY_OR', 66) def_op('INPLACE_POWER', 67) def_op('GET_ITER', 68) def_op('PRINT_EXPR', 70) def_op('PRINT_ITEM', 71) def_op('PRINT_NEWLINE', 72) def_op('PRINT_ITEM_TO', 73) def_op('PRINT_NEWLINE_TO', 74) def_op('INPLACE_LSHIFT', 75) def_op('INPLACE_RSHIFT', 76) def_op('INPLACE_AND', 77) def_op('INPLACE_XOR', 78) def_op('INPLACE_OR', 79) def_op('BREAK_LOOP', 80) def_op('WITH_CLEANUP', 81) def_op('LOAD_LOCALS', 82) def_op('RETURN_VALUE', 83) def_op('IMPORT_STAR', 84) def_op('EXEC_STMT', 85) def_op('YIELD_VALUE', 86) def_op('POP_BLOCK', 87) def_op('END_FINALLY', 88) def_op('BUILD_CLASS', 89) HAVE_ARGUMENT = 90 # Opcodes from here have an argument: name_op('STORE_NAME', 90) # Index in name list name_op('DELETE_NAME', 91) # "" def_op('UNPACK_SEQUENCE', 92) # Number of tuple items jrel_op('FOR_ITER', 93) def_op('LIST_APPEND', 94) name_op('STORE_ATTR', 95) # Index in name list name_op('DELETE_ATTR', 96) # "" name_op('STORE_GLOBAL', 97) # "" name_op('DELETE_GLOBAL', 98) # "" def_op('DUP_TOPX', 99) # number of items to duplicate def_op('LOAD_CONST', 100) # Index in const list hasconst.append(100) name_op('LOAD_NAME', 101) # Index in name list def_op('BUILD_TUPLE', 102) # Number of tuple items def_op('BUILD_LIST', 103) # Number of list items def_op('BUILD_SET', 104) # Number of set items def_op('BUILD_MAP', 105) # Number of dict entries (upto 255) name_op('LOAD_ATTR', 106) # Index in name list def_op('COMPARE_OP', 107) # Comparison operator hascompare.append(107) name_op('IMPORT_NAME', 108) # Index in name list name_op('IMPORT_FROM', 109) # Index in name list jrel_op('JUMP_FORWARD', 110) # Number of bytes to skip jabs_op('JUMP_IF_FALSE_OR_POP', 111) # Target byte offset from beginning of code jabs_op('JUMP_IF_TRUE_OR_POP', 112) # "" jabs_op('JUMP_ABSOLUTE', 113) # "" jabs_op('POP_JUMP_IF_FALSE', 114) # "" jabs_op('POP_JUMP_IF_TRUE', 115) # "" name_op('LOAD_GLOBAL', 116) # Index in name list jabs_op('CONTINUE_LOOP', 119) # Target address jrel_op('SETUP_LOOP', 120) # Distance to target address jrel_op('SETUP_EXCEPT', 121) # "" jrel_op('SETUP_FINALLY', 122) # "" def_op('LOAD_FAST', 124) # Local variable number haslocal.append(124) def_op('STORE_FAST', 125) # Local variable number haslocal.append(125) def_op('DELETE_FAST', 126) # Local variable number haslocal.append(126) def_op('RAISE_VARARGS', 130) # Number of raise arguments (1, 2, or 3) def_op('CALL_FUNCTION', 131) # #args + (#kwargs << 8) def_op('MAKE_FUNCTION', 132) # Number of args with default values def_op('BUILD_SLICE', 133) # Number of items def_op('MAKE_CLOSURE', 134) def_op('LOAD_CLOSURE', 135) hasfree.append(135) def_op('LOAD_DEREF', 136) hasfree.append(136) def_op('STORE_DEREF', 137) hasfree.append(137) def_op('CALL_FUNCTION_VAR', 140) # #args + (#kwargs << 8) def_op('CALL_FUNCTION_KW', 141) # #args + (#kwargs << 8) def_op('CALL_FUNCTION_VAR_KW', 142) # #args + (#kwargs << 8) jrel_op('SETUP_WITH', 143) def_op('EXTENDED_ARG', 145) EXTENDED_ARG = 145 def_op('SET_ADD', 146) def_op('MAP_ADD', 147) del def_op, name_op, jrel_op, jabs_op