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#!/usr/bin/python
# Copyright (C) 2011 Igalia S.L.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import common
import os
import subprocess
import sys
def is_source_file_listing(line):
return line.strip().startswith('Source')
def get_listed_makefile_headers():
makefile_text = open(os.path.join(common.build_path('GNUmakefile'))).read()
# Automake often places separate includes on the same line.
makefile_text = makefile_text.replace(' ', '\n')
headers = []
for line in makefile_text.splitlines():
# $(srcdir)/ is the same as an empty string in a source file listing.
line = line.replace('$(srcdir)/', '')
# If the line doesn't start with 'Source' it isn't listing for
# a source file.
if not is_source_file_listing(line):
continue
# Most source listings end with \ indicating that the listing
# continues onto the next line.
line = line.replace('\\', '')
# We only care about header files. Source files result in build
# breakage, so we will detect them without this script.
line = line.strip()
if not line.endswith('.h'):
continue
# If the line contains a makefile variable we do not care about it.
if line.find('$') != -1:
continue
headers.append(line)
return headers
def scan_headers_from_dependency_files():
process = subprocess.Popen(['find . -name *.Plo | xargs cat | grep .h:$'],
cwd=common.build_path(),
stdout=subprocess.PIPE,
shell=True)
sanitized_lines = set()
for line in process.communicate()[0].splitlines():
# Paths in Plo files are relative to the build directory so they might contain
# ../.. if the build directory is something like WebKitBuild/Release.
line = line.replace('../../', '')
if not is_source_file_listing(line):
continue
# The lines we care about end with ':'.
line = line.replace(':', '')
line = line.strip()
sanitized_lines.add(line)
return sanitized_lines
def get_unlisted_headers(listed_makefile_headers):
unlisted = set()
for header in scan_headers_from_dependency_files():
if not header in listed_makefile_headers:
unlisted.add(header)
return unlisted
def get_missing_headers(listed_makefile_headers):
missing = set()
for header in listed_makefile_headers:
if not os.path.exists(common.top_level_path(header)):
missing.add(header)
return missing
listed_makefile_headers = get_listed_makefile_headers()
unlisted_headers = get_unlisted_headers(listed_makefile_headers)
missing_headers = get_missing_headers(listed_makefile_headers)
if unlisted_headers:
print 'Headers not listed in the GNUmakefiles:'
for header in sorted(unlisted_headers):
print '\t%s' % header
print
if missing_headers:
print 'Headers listed in the GNUmakefiles that do not exist:'
for header in sorted(missing_headers):
print '\t%s' % header
print
sys.exit(len(unlisted_headers) + len(missing_headers))
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