symbian-qemu-0.9.1-12/python-2.6.1/Tools/compiler/stacktest.py
author johnathan.white@2718R8BGH51.accenture.com
Mon, 08 Mar 2010 18:45:03 +0000
changeset 46 b6935a90ca64
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority

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:])