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35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
# Copyright (c) 2016-2018 by Rocky Bernstein
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"""
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Python 2.2 bytecode massaging.
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This massages tokenized 2.2 bytecode to make it more amenable for
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grammar parsing.
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"""
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import uncompyle6.scanners.scanner23 as scan
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# from uncompyle6.scanners.scanner26 import ingest as ingest26
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# bytecode verification, verify(), uses JUMP_OPs from here
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from xdis.opcodes import opcode_22
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JUMP_OPS = opcode_22.JUMP_OPS
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# We base this off of 2.3 instead of the other way around
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# because we cleaned things up this way.
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# The history is that 2.7 support is the cleanest,
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# then from that we got 2.6 and so on.
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class Scanner22(scan.Scanner23):
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def __init__(self, show_asm=False):
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scan.Scanner23.__init__(self, show_asm)
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self.opc = opcode_22
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self.opname = opcode_22.opname
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self.version = 2.2
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self.genexpr_name = '<generator expression>'
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self.parent_ingest = self.ingest
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self.ingest = self.ingest22
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return
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def ingest22(self, co, classname=None, code_objects={}, show_asm=None):
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tokens, customize = self.parent_ingest(co, classname, code_objects, show_asm)
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tokens = [t for t in tokens if t.kind != 'SET_LINENO']
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return tokens, customize
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