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https://github.com/rocky/python-uncompyle6.git
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68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
#!/usr/bin/env python
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from xdis.version_info import PYTHON_VERSION_TRIPLE, IS_PYPY, version_tuple_to_str
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from uncompyle6.scanner import get_scanner
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def bug(state, slotstate):
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if state:
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if slotstate is not None:
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for key, value in slotstate.items():
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setattr(state, key, 2)
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# From 2.7 disassemble
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# Problem is not getting while, because
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# COME_FROM not added
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def bug_loop(disassemble, tb=None):
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if tb:
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try:
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tb = 5
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except AttributeError:
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raise RuntimeError
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while tb: tb = tb.tb_next
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disassemble(tb)
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def test_if_in_for():
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code = bug.__code__
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scan = get_scanner(PYTHON_VERSION_TRIPLE)
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if (2, 7) <= PYTHON_VERSION_TRIPLE < (3, 1) and not IS_PYPY:
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scan.build_instructions(code)
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fjt = scan.find_jump_targets(False)
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## FIXME: the data below is wrong.
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## we get different results currently as well.
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## We need to probably fix both the code
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## and the test below
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# assert {15: [3], 69: [66], 63: [18]} == fjt
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# assert scan.structs == \
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# [{'start': 0, 'end': 72, 'type': 'root'},
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# {'start': 15, 'end': 66, 'type': 'if-then'},
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# {'start': 31, 'end': 59, 'type': 'for-loop'},
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# {'start': 62, 'end': 63, 'type': 'for-else'}]
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code = bug_loop.__code__
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scan.build_instructions(code)
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fjt = scan.find_jump_targets(False)
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assert{64: [42], 67: [42, 42], 42: [16, 41], 19: [6]} == fjt
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assert scan.structs == [
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{'start': 0, 'end': 80, 'type': 'root'},
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{'start': 3, 'end': 64, 'type': 'if-then'},
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{'start': 6, 'end': 15, 'type': 'try'},
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{'start': 19, 'end': 38, 'type': 'except'},
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{'start': 45, 'end': 67, 'type': 'while-loop'},
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{'start': 70, 'end': 64, 'type': 'while-else'},
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# previous bug was not mistaking while-loop for if-then
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{'start': 48, 'end': 67, 'type': 'while-loop'}]
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elif (3, 2) < PYTHON_VERSION_TRIPLE <= (3, 4):
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scan.build_instructions(code)
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fjt = scan.find_jump_targets(False)
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assert {69: [66], 63: [18]} == fjt
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assert scan.structs == \
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[{'end': 72, 'type': 'root', 'start': 0},
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{'end': 66, 'type': 'if-then', 'start': 6},
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{'end': 63, 'type': 'if-then', 'start': 18},
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{'end': 59, 'type': 'for-loop', 'start': 31},
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{'end': 63, 'type': 'for-else', 'start': 62}]
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else:
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print("FIXME: should fix for %s" % version_tuple_to_str())
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assert True
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return
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