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python-uncompyle6/uncompyle6/opcodes/opcode_33.py

58 lines
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Python

"""
CPython 3.3 bytecode opcodes
This is used in scanner (bytecode disassembly) and parser (Python grammar).
This is a superset of Python 3.3's opcode.py with some opcodes that simplify
parsing and semantic interpretation.
"""
from copy import deepcopy
import uncompyle6.opcodes.opcode_3x as opcode_3x
from uncompyle6.opcodes.opcode_3x import fields2copy, rm_op
# FIXME: can we DRY this even more?
opmap = {}
opname = [''] * 256
hasconst = []
hasjrel = []
hasjabs = []
def def_op(name, op):
opname[op] = name
opmap[name] = op
for object in fields2copy:
globals()[object] = deepcopy(getattr(opcode_3x, object))
# Below are opcodes since Python 3.2
rm_op(opname, opmap, 'STOP_CODE', 0)
def_op('YIELD_FROM', 72)
def updateGlobal():
# JUMP_OPs are used in verification are set in the scanner
# and used in the parser grammar
globals().update({'PJIF': opmap['POP_JUMP_IF_FALSE']})
globals().update({'PJIT': opmap['POP_JUMP_IF_TRUE']})
globals().update({'JA': opmap['JUMP_ABSOLUTE']})
globals().update({'JF': opmap['JUMP_FORWARD']})
globals().update(dict([(k.replace('+', '_'), v) for (k, v) in opmap.items()]))
globals().update({'JUMP_OPs': map(lambda op: opname[op], hasjrel + hasjabs)})
updateGlobal()
# FIXME: turn into pytest test
from uncompyle6 import PYTHON_VERSION
if PYTHON_VERSION == 3.3:
import dis
# for item in dis.opmap.items():
# if item not in opmap.items():
# print(item)
assert all(item in opmap.items() for item in dis.opmap.items())
# opcode3x.dump_opcodes(opmap)