Showing the changes to sys/src/cmd/python/Tools/compiler/stacktest.py (1 of 3706 files). Show all
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| 1 | import compiler | ||
| 2 | import dis | ||
| 3 | import types | ||
| 4 | |||
| 5 | def extract_code_objects(co): | ||
| 6 | l = [co] | ||
| 7 | for const in co.co_consts: | ||
| 8 | if type(const) == types.CodeType: | ||
| 9 | l.append(const) | ||
| 10 | return l | ||
| 11 | |||
| 12 | def compare(a, b): | ||
| 13 | if not (a.co_name == "?" or a.co_name.startswith('<lambda')): | ||
| 14 | assert a.co_name == b.co_name, (a, b) | ||
| 15 | if a.co_stacksize != b.co_stacksize: | ||
| 16 | print "stack mismatch %s: %d vs. %d" % (a.co_name, | ||
| 17 | a.co_stacksize, | ||
| 18 | b.co_stacksize) | ||
| 19 | if a.co_stacksize > b.co_stacksize: | ||
| 20 | print "good code" | ||
| 21 | dis.dis(a) | ||
| 22 | print "bad code" | ||
| 23 | dis.dis(b) | ||
| 24 | assert 0 | ||
| 25 | |||
| 26 | def main(files): | ||
| 27 | for file in files: | ||
| 28 | print file | ||
| 29 | buf = open(file).read() | ||
| 30 | try: | ||
| 31 | co1 = compile(buf, file, "exec") | ||
| 32 | except SyntaxError: | ||
| 33 | print "skipped" | ||
| 34 | continue | ||
| 35 | co2 = compiler.compile(buf, file, "exec") | ||
| 36 | co1l = extract_code_objects(co1) | ||
| 37 | co2l = extract_code_objects(co2) | ||
| 38 | for a, b in zip(co1l, co2l): | ||
| 39 | compare(a, b) | ||
| 40 | |||
| 41 | if __name__ == "__main__": | ||
| 42 | import sys | ||
| 43 | main(sys.argv[1:]) | ||