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43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
import compiler
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import dis
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import types
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def extract_code_objects(co):
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l = [co]
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for const in co.co_consts:
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if type(const) == types.CodeType:
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l.append(const)
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return l
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def compare(a, b):
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if not (a.co_name == "?" or a.co_name.startswith('<lambda')):
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assert a.co_name == b.co_name, (a, b)
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if a.co_stacksize != b.co_stacksize:
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print "stack mismatch %s: %d vs. %d" % (a.co_name,
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a.co_stacksize,
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b.co_stacksize)
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if a.co_stacksize > b.co_stacksize:
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print "good code"
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dis.dis(a)
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print "bad code"
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dis.dis(b)
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assert 0
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def main(files):
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for file in files:
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print file
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buf = open(file).read()
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try:
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co1 = compile(buf, file, "exec")
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except SyntaxError:
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print "skipped"
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continue
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co2 = compiler.compile(buf, file, "exec")
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co1l = extract_code_objects(co1)
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co2l = extract_code_objects(co2)
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for a, b in zip(co1l, co2l):
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compare(a, b)
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if __name__ == "__main__":
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import sys
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main(sys.argv[1:])
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