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"""

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opcode module - potentially shared between dis and other modules which

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operate on bytecodes (e.g. peephole optimizers).

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"""

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__all__ = ["cmp_op", "hasconst", "hasname", "hasjrel", "hasjabs",

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"haslocal", "hascompare", "hasfree", "opname", "opmap",

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"HAVE_ARGUMENT", "EXTENDED_ARG"]

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cmp_op = ('<', '<=', '==', '!=', '>', '>=', 'in', 'not in', 'is',

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'is not', 'exception match', 'BAD')

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hasconst = []

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hasname = []

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hasjrel = []

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hasjabs = []

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haslocal = []

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hascompare = []

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hasfree = []

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opmap = {}

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opname = [''] * 256

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for op in range(256): opname[op] = '<%r>' % (op,)

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del op

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def def_op(name, op):

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opname[op] = name

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opmap[name] = op

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def name_op(name, op):

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def_op(name, op)

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hasname.append(op)

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def jrel_op(name, op):

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def_op(name, op)

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hasjrel.append(op)

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def jabs_op(name, op):

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def_op(name, op)

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hasjabs.append(op)

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# Instruction opcodes for compiled code

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# Blank lines correspond to available opcodes

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def_op('STOP_CODE', 0)

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def_op('POP_TOP', 1)

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def_op('ROT_TWO', 2)

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def_op('ROT_THREE', 3)

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def_op('DUP_TOP', 4)

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def_op('ROT_FOUR', 5)

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def_op('NOP', 9)

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def_op('UNARY_POSITIVE', 10)

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def_op('UNARY_NEGATIVE', 11)

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def_op('UNARY_NOT', 12)

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def_op('UNARY_CONVERT', 13)

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def_op('UNARY_INVERT', 15)

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def_op('BINARY_POWER', 19)

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def_op('BINARY_MULTIPLY', 20)

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def_op('BINARY_DIVIDE', 21)

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def_op('BINARY_MODULO', 22)

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def_op('BINARY_ADD', 23)

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def_op('BINARY_SUBTRACT', 24)

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def_op('BINARY_SUBSCR', 25)

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def_op('BINARY_FLOOR_DIVIDE', 26)

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def_op('BINARY_TRUE_DIVIDE', 27)

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def_op('INPLACE_FLOOR_DIVIDE', 28)

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def_op('INPLACE_TRUE_DIVIDE', 29)

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def_op('SLICE+0', 30)

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def_op('SLICE+1', 31)

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def_op('SLICE+2', 32)

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def_op('SLICE+3', 33)

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def_op('STORE_SLICE+0', 40)

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def_op('STORE_SLICE+1', 41)

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def_op('STORE_SLICE+2', 42)

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def_op('STORE_SLICE+3', 43)

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def_op('DELETE_SLICE+0', 50)

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def_op('DELETE_SLICE+1', 51)

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def_op('DELETE_SLICE+2', 52)

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def_op('DELETE_SLICE+3', 53)

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def_op('STORE_MAP', 54)

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def_op('INPLACE_ADD', 55)

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def_op('INPLACE_SUBTRACT', 56)

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def_op('INPLACE_MULTIPLY', 57)

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def_op('INPLACE_DIVIDE', 58)

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def_op('INPLACE_MODULO', 59)

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def_op('STORE_SUBSCR', 60)

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def_op('DELETE_SUBSCR', 61)

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def_op('BINARY_LSHIFT', 62)

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def_op('BINARY_RSHIFT', 63)

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def_op('BINARY_AND', 64)

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def_op('BINARY_XOR', 65)

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def_op('BINARY_OR', 66)

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def_op('INPLACE_POWER', 67)

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def_op('GET_ITER', 68)

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def_op('PRINT_EXPR', 70)

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def_op('PRINT_ITEM', 71)

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def_op('PRINT_NEWLINE', 72)

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def_op('PRINT_ITEM_TO', 73)

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def_op('PRINT_NEWLINE_TO', 74)

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def_op('INPLACE_LSHIFT', 75)

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def_op('INPLACE_RSHIFT', 76)

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def_op('INPLACE_AND', 77)

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def_op('INPLACE_XOR', 78)

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def_op('INPLACE_OR', 79)

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def_op('BREAK_LOOP', 80)

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def_op('WITH_CLEANUP', 81)

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def_op('LOAD_LOCALS', 82)

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def_op('RETURN_VALUE', 83)

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def_op('IMPORT_STAR', 84)

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def_op('EXEC_STMT', 85)

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def_op('YIELD_VALUE', 86)

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def_op('POP_BLOCK', 87)

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def_op('END_FINALLY', 88)

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def_op('BUILD_CLASS', 89)

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HAVE_ARGUMENT = 90 # Opcodes from here have an argument:

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name_op('STORE_NAME', 90) # Index in name list

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name_op('DELETE_NAME', 91) # ""

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def_op('UNPACK_SEQUENCE', 92) # Number of tuple items

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jrel_op('FOR_ITER', 93)

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def_op('LIST_APPEND', 94)

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name_op('STORE_ATTR', 95) # Index in name list

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name_op('DELETE_ATTR', 96) # ""

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name_op('STORE_GLOBAL', 97) # ""

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name_op('DELETE_GLOBAL', 98) # ""

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def_op('DUP_TOPX', 99) # number of items to duplicate

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def_op('LOAD_CONST', 100) # Index in const list

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hasconst.append(100)

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name_op('LOAD_NAME', 101) # Index in name list

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def_op('BUILD_TUPLE', 102) # Number of tuple items

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def_op('BUILD_LIST', 103) # Number of list items

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def_op('BUILD_SET', 104) # Number of set items

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def_op('BUILD_MAP', 105) # Number of dict entries (upto 255)

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name_op('LOAD_ATTR', 106) # Index in name list

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def_op('COMPARE_OP', 107) # Comparison operator

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hascompare.append(107)

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name_op('IMPORT_NAME', 108) # Index in name list

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name_op('IMPORT_FROM', 109) # Index in name list

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jrel_op('JUMP_FORWARD', 110) # Number of bytes to skip

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jabs_op('JUMP_IF_FALSE_OR_POP', 111) # Target byte offset from beginning of code

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jabs_op('JUMP_IF_TRUE_OR_POP', 112) # ""

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jabs_op('JUMP_ABSOLUTE', 113) # ""

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jabs_op('POP_JUMP_IF_FALSE', 114) # ""

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jabs_op('POP_JUMP_IF_TRUE', 115) # ""

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name_op('LOAD_GLOBAL', 116) # Index in name list

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jabs_op('CONTINUE_LOOP', 119) # Target address

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jrel_op('SETUP_LOOP', 120) # Distance to target address

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jrel_op('SETUP_EXCEPT', 121) # ""

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jrel_op('SETUP_FINALLY', 122) # ""

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def_op('LOAD_FAST', 124) # Local variable number

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haslocal.append(124)

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def_op('STORE_FAST', 125) # Local variable number

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haslocal.append(125)

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def_op('DELETE_FAST', 126) # Local variable number

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haslocal.append(126)

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def_op('RAISE_VARARGS', 130) # Number of raise arguments (1, 2, or 3)

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def_op('CALL_FUNCTION', 131) # #args + (#kwargs << 8)

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def_op('MAKE_FUNCTION', 132) # Number of args with default values

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def_op('BUILD_SLICE', 133) # Number of items

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def_op('MAKE_CLOSURE', 134)

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def_op('LOAD_CLOSURE', 135)

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hasfree.append(135)

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def_op('LOAD_DEREF', 136)

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hasfree.append(136)

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def_op('STORE_DEREF', 137)

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hasfree.append(137)

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def_op('CALL_FUNCTION_VAR', 140) # #args + (#kwargs << 8)

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def_op('CALL_FUNCTION_KW', 141) # #args + (#kwargs << 8)

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def_op('CALL_FUNCTION_VAR_KW', 142) # #args + (#kwargs << 8)

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jrel_op('SETUP_WITH', 143)

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def_op('EXTENDED_ARG', 145)

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EXTENDED_ARG = 145

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def_op('SET_ADD', 146)

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def_op('MAP_ADD', 147)

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del def_op, name_op, jrel_op, jabs_op

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