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102 lines
2.3 KiB
Python
Executable File
102 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python
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# Mode: -*- python -*-
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#
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# Copyright (c) 2015 by Rocky Bernstein <rb@dustyfeet.com>
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#
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from __future__ import print_function
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import dis, os.path, sys
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try:
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from StringIO import StringIO
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except ImportError:
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from io import StringIO
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program = os.path.basename(__file__)
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__doc__ = """
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Usage: {0} [OPTIONS]... FILE
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""".format(program)
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usage_short = "Usage: {0} [OPTIONS]... FILE".format(program)
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import uncompyle6
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from uncompyle6.disas import disco
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version = sys.version[:3]
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def inst_fmt(inst):
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if inst.starts_line:
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return '\n%4d %6s\t%-17s %r' % (inst.starts_line, inst.offset, inst.opname,
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inst.argrepr)
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else:
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return ' %6s\t%-17s %r' % (inst.offset, inst.opname, inst.argrepr)
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print
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return
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def compare_ok(version, co):
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out = StringIO()
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if version == 2.7:
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dis.disco(co)
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return
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bytecode = dis.Bytecode(co)
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disco(version, co, out)
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got_lines = out.getvalue().split("\n")[2:]
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i = 0
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good_lines = "\n".join([inst_fmt(inst) for inst in bytecode]).split("\n")
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for good_line in good_lines:
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if '\tCOME_FROM ' in got_lines[i]:
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i += 1
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if got_lines[i] != good_line:
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print('line %d %s' % (i+1, ('=' * 30)))
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print(good_line)
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print("vs %s" % ('-' * 10))
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print(got_lines[i])
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return False
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i += 1
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return True
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if version != '2.7' and version != '3.4':
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print('Error: {0} requires Python 2.7 or 3.4.'.format(program),
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file=sys.stderr)
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sys.exit(-1)
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# if len(sys.argv) != 2:
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# print(usage_short, file=sys.stderr)
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# sys.exit(1)
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# filename = sys.arv[1]
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def get_srcdir():
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filename = os.path.normcase(os.path.dirname(__file__))
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return os.path.realpath(filename)
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src_dir = get_srcdir()
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os.chdir(src_dir)
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files=[
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'if',
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'ifelse',
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# 'keyword',
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]
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for base in files:
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filename = "bytecode_%s/%s.pyc" % (version, base)
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version, co = uncompyle6.load_module(filename)
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ok = True
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if type(co) == list:
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for con in co:
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ok = compare_ok(version, con)
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if not ok: break
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else:
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ok = compare_ok(version, co)
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if ok:
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print("Disassembly of %s checks out!" % filename)
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else:
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print("Disassembly of %s mismatches." % filename)
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break
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