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/proc/self/root/proc/self/root/proc/thread-self/root/proc/12/task/12/root/lib64/python3.9

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opcode.py5.5 KB · 218 lines
 """opcode module - potentially shared between dis and other modules whichoperate on bytecodes (e.g. peephole optimizers).""" __all__ = ["cmp_op", "hasconst", "hasname", "hasjrel", "hasjabs",           "haslocal", "hascompare", "hasfree", "opname", "opmap",           "HAVE_ARGUMENT", "EXTENDED_ARG", "hasnargs"] # It's a chicken-and-egg I'm afraid:# We're imported before _opcode's made.# With exception unheeded# (stack_effect is not needed)# Both our chickens and eggs are allayed.#     --Larry Hastings, 2013/11/23 try:    from _opcode import stack_effect    __all__.append('stack_effect')except ImportError:    pass cmp_op = ('<', '<=', '==', '!=', '>', '>=') hasconst = []hasname = []hasjrel = []hasjabs = []haslocal = []hascompare = []hasfree = []hasnargs = [] # unused opmap = {}opname = ['<%r>' % (op,) for op in range(256)] 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('POP_TOP', 1)def_op('ROT_TWO', 2)def_op('ROT_THREE', 3)def_op('DUP_TOP', 4)def_op('DUP_TOP_TWO', 5)def_op('ROT_FOUR', 6) def_op('NOP', 9)def_op('UNARY_POSITIVE', 10)def_op('UNARY_NEGATIVE', 11)def_op('UNARY_NOT', 12) def_op('UNARY_INVERT', 15) def_op('BINARY_MATRIX_MULTIPLY', 16)def_op('INPLACE_MATRIX_MULTIPLY', 17) def_op('BINARY_POWER', 19)def_op('BINARY_MULTIPLY', 20) 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('RERAISE', 48)def_op('WITH_EXCEPT_START', 49)def_op('GET_AITER', 50)def_op('GET_ANEXT', 51)def_op('BEFORE_ASYNC_WITH', 52) def_op('END_ASYNC_FOR', 54)def_op('INPLACE_ADD', 55)def_op('INPLACE_SUBTRACT', 56)def_op('INPLACE_MULTIPLY', 57) 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('GET_YIELD_FROM_ITER', 69) def_op('PRINT_EXPR', 70)def_op('LOAD_BUILD_CLASS', 71)def_op('YIELD_FROM', 72)def_op('GET_AWAITABLE', 73)def_op('LOAD_ASSERTION_ERROR', 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('LIST_TO_TUPLE', 82)def_op('RETURN_VALUE', 83)def_op('IMPORT_STAR', 84)def_op('SETUP_ANNOTATIONS', 85)def_op('YIELD_VALUE', 86)def_op('POP_BLOCK', 87) def_op('POP_EXCEPT', 89) HAVE_ARGUMENT = 90              # Opcodes from here have an argument: name_op('STORE_NAME', 90)       # Index in name listname_op('DELETE_NAME', 91)      # ""def_op('UNPACK_SEQUENCE', 92)   # Number of tuple itemsjrel_op('FOR_ITER', 93)def_op('UNPACK_EX', 94)name_op('STORE_ATTR', 95)       # Index in name listname_op('DELETE_ATTR', 96)      # ""name_op('STORE_GLOBAL', 97)     # ""name_op('DELETE_GLOBAL', 98)    # ""def_op('LOAD_CONST', 100)       # Index in const listhasconst.append(100)name_op('LOAD_NAME', 101)       # Index in name listdef_op('BUILD_TUPLE', 102)      # Number of tuple itemsdef_op('BUILD_LIST', 103)       # Number of list itemsdef_op('BUILD_SET', 104)        # Number of set itemsdef_op('BUILD_MAP', 105)        # Number of dict entriesname_op('LOAD_ATTR', 106)       # Index in name listdef_op('COMPARE_OP', 107)       # Comparison operatorhascompare.append(107)name_op('IMPORT_NAME', 108)     # Index in name listname_op('IMPORT_FROM', 109)     # Index in name list jrel_op('JUMP_FORWARD', 110)    # Number of bytes to skipjabs_op('JUMP_IF_FALSE_OR_POP', 111) # Target byte offset from beginning of codejabs_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 def_op('IS_OP', 117)def_op('CONTAINS_OP', 118) jabs_op('JUMP_IF_NOT_EXC_MATCH', 121)jrel_op('SETUP_FINALLY', 122)   # Distance to target address def_op('LOAD_FAST', 124)        # Local variable numberhaslocal.append(124)def_op('STORE_FAST', 125)       # Local variable numberhaslocal.append(125)def_op('DELETE_FAST', 126)      # Local variable numberhaslocal.append(126) def_op('RAISE_VARARGS', 130)    # Number of raise arguments (1, 2, or 3)def_op('CALL_FUNCTION', 131)    # #argsdef_op('MAKE_FUNCTION', 132)    # Flagsdef_op('BUILD_SLICE', 133)      # Number of itemsdef_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('DELETE_DEREF', 138)hasfree.append(138) def_op('CALL_FUNCTION_KW', 141)  # #args + #kwargsdef_op('CALL_FUNCTION_EX', 142)  # Flags jrel_op('SETUP_WITH', 143) def_op('LIST_APPEND', 145)def_op('SET_ADD', 146)def_op('MAP_ADD', 147) def_op('LOAD_CLASSDEREF', 148)hasfree.append(148) def_op('EXTENDED_ARG', 144)EXTENDED_ARG = 144 jrel_op('SETUP_ASYNC_WITH', 154) def_op('FORMAT_VALUE', 155)def_op('BUILD_CONST_KEY_MAP', 156)def_op('BUILD_STRING', 157) name_op('LOAD_METHOD', 160)def_op('CALL_METHOD', 161) def_op('LIST_EXTEND', 162)def_op('SET_UPDATE', 163)def_op('DICT_MERGE', 164)def_op('DICT_UPDATE', 165) del def_op, name_op, jrel_op, jabs_op