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