"""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"] cmp_op = ('<', '<=', '==', '!=', '>', '>=', 'in', 'not in', 'is', 'is not', 'exception match', 'BAD') hasconst = []hasname = []hasjrel = []hasjabs = []haslocal = []hascompare = []hasfree = [] opmap = {}opname = [''] * 256for 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('LIST_APPEND', 18)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('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 listname_op('DELETE_NAME', 91) # ""def_op('UNPACK_SEQUENCE', 92) # Number of tuple itemsjrel_op('FOR_ITER', 93) 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('DUP_TOPX', 99) # number of items to duplicatedef_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_MAP', 104) # Always zero for nowname_op('LOAD_ATTR', 105) # Index in name listdef_op('COMPARE_OP', 106) # Comparison operatorhascompare.append(106)name_op('IMPORT_NAME', 107) # Index in name listname_op('IMPORT_FROM', 108) # Index in name list jrel_op('JUMP_FORWARD', 110) # Number of bytes to skipjrel_op('JUMP_IF_FALSE', 111) # ""jrel_op('JUMP_IF_TRUE', 112) # ""jabs_op('JUMP_ABSOLUTE', 113) # Target byte offset from beginning of code name_op('LOAD_GLOBAL', 116) # Index in name list jabs_op('CONTINUE_LOOP', 119) # Target addressjrel_op('SETUP_LOOP', 120) # Distance to target addressjrel_op('SETUP_EXCEPT', 121) # ""jrel_op('SETUP_FINALLY', 122) # "" 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) # #args + (#kwargs << 8)def_op('MAKE_FUNCTION', 132) # Number of args with default valuesdef_op('BUILD_SLICE', 133) # Number of itemsdef_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)def_op('EXTENDED_ARG', 143)EXTENDED_ARG = 143 del def_op, name_op, jrel_op, jabs_op
"""
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('LIST_APPEND', 18)
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('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)
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_MAP', 104) # Always zero for now
name_op('LOAD_ATTR', 105) # Index in name list
def_op('COMPARE_OP', 106) # Comparison operator
hascompare.append(106)
name_op('IMPORT_NAME', 107) # Index in name list
name_op('IMPORT_FROM', 108) # Index in name list
jrel_op('JUMP_FORWARD', 110) # Number of bytes to skip
jrel_op('JUMP_IF_FALSE', 111) # ""
jrel_op('JUMP_IF_TRUE', 112) # ""
jabs_op('JUMP_ABSOLUTE', 113) # Target byte offset from beginning of code
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)
def_op('EXTENDED_ARG', 143)
EXTENDED_ARG = 143
del def_op, name_op, jrel_op, jabs_op