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#!/usr/bin/env python
# Copyright (C) 2009 Sun Microsystems
# Copyright (C) 2009 Robert Collins
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import os.path
srcdir = os.environ.get('srcdir','.')
path = os.path.join(srcdir, 'config', 'lint-rules.am')
# relpath import (available in Python 2.6 and above)
try:
relpath = os.path.relpath
except AttributeError:
from os.path import curdir, sep, pardir, join
def relpath(path, start=curdir):
"""Return a relative version of a path"""
if not path:
raise ValueError("no path specified")
start_list = os.path.abspath(start).split(sep)
path_list = os.path.abspath(path).split(sep)
# Work out how much of the filepath is shared by start and path.
i = len(os.path.commonprefix([start_list, path_list]))
rel_list = [pardir] * (len(start_list)-i) + path_list[i:]
if not rel_list:
return curdir
return join(*rel_list)
class ChangeProtectedFile(object):
# from register_plugins.py. XXX: duplication. fix.
def __init__(self, fname):
self.bogus_file= False
self.real_fname= fname
self.new_fname= "%s.new" % fname
try:
self.new_file= open(self.new_fname,'w+')
except IOError:
self.bogus_file= True
def write(self, text):
if not self.bogus_file:
self.new_file.write(text)
# We've written all of this out into .new files, now we only copy them
# over the old ones if they are different, so that we don't cause
# unnecessary recompiles
def close(self):
"""Return True if the file had changed."""
if self.bogus_file:
return
self.new_file.seek(0)
new_content = self.new_file.read()
self.new_file.close()
try:
old_file = file(self.real_fname, 'r')
old_content = old_file.read()
old_file.close()
except IOError:
old_content = None
if new_content != old_content:
if old_content != None:
os.unlink(self.real_fname)
os.rename(self.new_fname, self.real_fname)
return True
else:
try:
os.unlink(self.new_fname)
except:
pass
output = ChangeProtectedFile(path)
# We write a makefile that causes:
# linted to depend on linting all the source files we find
# linting a source file to depend on the output dep file for that linted file.
def lint_path(path):
# linted depends on linting this:
output.write('linted: %s.linted\n' % path)
output.write('%s.linted: %s\n' % (path, path))
# the thing being linted depends on the dependencies included in
# the lint output
#output.write('@am__include@ @am__quote@%s.linted@am__quote@\n' % path)
# If the lint file doesn't exist, we'll make one, or else we have to do
# a full lint run on every fresh bzr checkout, which is sort of silly
#if not os.path.exists("%s.linted" % path):
# lint_file = open("%s.linted" % path,"w")
# lint_file.write("# Placeholder to make empty file")
# lint_file.close()
def clean_lints(paths):
output.write('cleanlints:\n')
# batch in 50
for pos in range(len(paths)/50 + 1):
path_str = ' '.join((path + '.linted') for path in paths[pos *50:(pos + 1)*50])
if not path_str:
continue
output.write('\trm -f %s\n' % path_str)
def should_lint(path):
if not (path.endswith('.cc') or path.endswith('.h')):
return False
if not (path.startswith('plugin/') or path.startswith('drizzled/') or
path.startswith('client/')):
return False
# Let's not lint emacs autosave files
if (os.path.split(path)[-1].startswith('.#')):
return False
for exclude in ['innobase', 'pbxt', 'gnulib', '.pb.', 'bak-header', 'm4',
'sql_yacc', 'gperf', 'drizzled/probes.h',
'drizzled/function_hash.h', 'drizzled/symbol_hash.h',
'util/dummy.cc', 'drizzled/sql_yacc.h', 'drizzled/configmake.h',
'drizzled/plugin/version.h',
'drizzled/generated_probes.h',
'drizzled/module/load_list.h']:
if exclude in path:
return False
return True
def accumulate_sources(arg, dirname, fnames):
for fname in fnames:
path = os.path.join(dirname, fname)
path = relpath(path, srcdir)
if not should_lint(path):
continue
arg.append(path)
sources_list = []
os.path.walk(srcdir,accumulate_sources,sources_list)
sources_list.sort()
for path in sources_list:
lint_path(path)
clean_lints(sources_list)
output.close()
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