1#!/usr/bin/env python 2# 3# Copyright (C) 2009 Google Inc. All rights reserved. 4# Copyright (C) 2010 Chris Jerdonek (chris.jerdonek@gmail.com) 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions are 8# met: 9# 10# * Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# * Redistributions in binary form must reproduce the above 13# copyright notice, this list of conditions and the following disclaimer 14# in the documentation and/or other materials provided with the 15# distribution. 16# * Neither the name of Google Inc. nor the names of its 17# contributors may be used to endorse or promote products derived from 18# this software without specific prior written permission. 19# 20# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 32"""Does WebKit-lint on C/C++ or text files. 33 34The goal of this script is to identify places in the code that *may* 35be in non-compliance with WebKit style. It does not attempt to fix 36up these problems -- the point is to educate. It does also not 37attempt to find all problems, or to ensure that everything it does 38find is legitimately a problem. 39 40In particular, we can get very confused by /* and // inside strings! 41We do a small hack, which is to ignore //'s with "'s after them on the 42same line, but it is far from perfect (in either direction). 43""" 44 45import codecs 46import os 47import os.path 48import sys 49 50import webkitpy.style.checker as checker 51from webkitpy.style_references import SimpleScm 52 53def main(): 54 # Change stderr to write with replacement characters so we don't die 55 # if we try to print something containing non-ASCII characters. 56 sys.stderr = codecs.StreamReaderWriter(sys.stderr, 57 codecs.getreader('utf8'), 58 codecs.getwriter('utf8'), 59 'replace') 60 61 defaults = checker.webkit_argument_defaults() 62 63 parser = checker.ArgumentParser(defaults) 64 (files, options) = parser.parse(sys.argv[1:]) 65 66 style_checker = checker.StyleChecker(options) 67 68 if files: 69 for filename in files: 70 style_checker.check_file(filename) 71 72 else: 73 scm = SimpleScm() 74 75 os.chdir(scm.checkout_root()) 76 77 if options.git_commit: 78 commit = options.git_commit 79 if '..' in commit: 80 # FIXME: If the range is a "...", the code should find the common ancestor and 81 # start there (see git diff --help for information about how ... usually works). 82 commit = commit[:commit.find('..')] 83 print >> sys.stderr, "Warning: Ranges are not supported for --git-commit. Checking all changes since %s.\n" % commit 84 patch = scm.create_patch_since_local_commit(commit) 85 else: 86 patch = scm.create_patch() 87 style_checker.check_patch(patch) 88 89 error_count = style_checker.error_count 90 sys.stderr.write('Total errors found: %d\n' % error_count) 91 sys.exit(error_count > 0) 92 93 94if __name__ == "__main__": 95 main() 96