1#!/usr/bin/env python 2# coding=utf-8 3# 4# Copyright © 2011 Intel Corporation 5# 6# Permission is hereby granted, free of charge, to any person obtaining a 7# copy of this software and associated documentation files (the "Software"), 8# to deal in the Software without restriction, including without limitation 9# the rights to use, copy, modify, merge, publish, distribute, sublicense, 10# and/or sell copies of the Software, and to permit persons to whom the 11# Software is furnished to do so, subject to the following conditions: 12# 13# The above copyright notice and this permission notice (including the next 14# paragraph) shall be included in all copies or substantial portions of the 15# Software. 16# 17# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 23# DEALINGS IN THE SOFTWARE. 24 25# Compare two files containing IR code. Ignore formatting differences 26# and declaration order. 27 28import os 29import os.path 30import subprocess 31import sys 32import tempfile 33 34from sexps import * 35 36if len(sys.argv) != 3: 37 print 'Usage: compare_ir <file1> <file2>' 38 exit(1) 39 40with open(sys.argv[1]) as f: 41 ir1 = sort_decls(parse_sexp(f.read())) 42with open(sys.argv[2]) as f: 43 ir2 = sort_decls(parse_sexp(f.read())) 44 45if ir1 == ir2: 46 exit(0) 47else: 48 file1, path1 = tempfile.mkstemp(os.path.basename(sys.argv[1])) 49 file2, path2 = tempfile.mkstemp(os.path.basename(sys.argv[2])) 50 try: 51 os.write(file1, '{0}\n'.format(sexp_to_string(ir1))) 52 os.close(file1) 53 os.write(file2, '{0}\n'.format(sexp_to_string(ir2))) 54 os.close(file2) 55 subprocess.call(['diff', '-u', path1, path2]) 56 finally: 57 os.remove(path1) 58 os.remove(path2) 59 exit(1) 60