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