95 lines
3.1 KiB
Python
95 lines
3.1 KiB
Python
|
#! /usr/bin/env python2
|
||
|
|
# -*- coding: utf-8 -*-
|
||
|
|
|
||
|
|
# Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
|
||
|
|
#
|
||
|
|
# Redistribution and use in source and binary forms, with or without
|
||
|
|
# modification, are permitted provided that the following conditions are
|
||
|
|
# met:
|
||
|
|
# * Redistributions of source code must retain the above copyright
|
||
|
|
# notice, this list of conditions and the following disclaimer.
|
||
|
|
# * Redistributions in binary form must reproduce the above
|
||
|
|
# copyright notice, this list of conditions and the following
|
||
|
|
# disclaimer in the documentation and/or other materials provided
|
||
|
|
# with the distribution.
|
||
|
|
# * Neither the name of The Linux Foundation nor the names of its
|
||
|
|
# contributors may be used to endorse or promote products derived
|
||
|
|
# from this software without specific prior written permission.
|
||
|
|
#
|
||
|
|
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
|
||
|
|
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||
|
|
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
|
||
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
|
||
|
|
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||
|
|
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||
|
|
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
||
|
|
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||
|
|
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
||
|
|
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
||
|
|
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
|
||
|
|
# Invoke clang, look for static analyzer warnings, and cause a failure
|
||
|
|
# if there are non-whitelisted warnings.
|
||
|
|
|
||
|
|
import errno
|
||
|
|
import re
|
||
|
|
import os
|
||
|
|
import sys
|
||
|
|
import subprocess
|
||
|
|
|
||
|
|
allowed_warnings = set([
|
||
|
|
"list.h:80",
|
||
|
|
])
|
||
|
|
|
||
|
|
# Capture the name of the object file, if can find it.
|
||
|
|
ofile = None
|
||
|
|
|
||
|
|
warning_re = re.compile(r'''(.*/|)([^/]+\.[a-z]+:\d+):(\d+:)? clang_sa_warning:''')
|
||
|
|
def interpret_warning(line):
|
||
|
|
"""Decode the message from clang. The messages we care about have a filename, and a warning"""
|
||
|
|
line = line.rstrip('\n')
|
||
|
|
m = warning_re.match(line)
|
||
|
|
if m and m.group(2) not in allowed_warnings:
|
||
|
|
print "error, forbidden warning:", m.group(2)
|
||
|
|
|
||
|
|
# If there is a warning, remove any object if it exists.
|
||
|
|
if ofile:
|
||
|
|
try:
|
||
|
|
os.remove(ofile)
|
||
|
|
except OSError:
|
||
|
|
pass
|
||
|
|
sys.exit(1)
|
||
|
|
|
||
|
|
def run_clang():
|
||
|
|
args = sys.argv[1:]
|
||
|
|
# Look for -o
|
||
|
|
try:
|
||
|
|
i = args.index('-o')
|
||
|
|
global ofile
|
||
|
|
ofile = args[i+1]
|
||
|
|
except (ValueError, IndexError):
|
||
|
|
pass
|
||
|
|
|
||
|
|
compiler = sys.argv[0]
|
||
|
|
|
||
|
|
try:
|
||
|
|
proc = subprocess.Popen(args, stderr=subprocess.PIPE)
|
||
|
|
for line in proc.stderr:
|
||
|
|
print line,
|
||
|
|
interpret_warning(line)
|
||
|
|
|
||
|
|
result = proc.wait()
|
||
|
|
except OSError as e:
|
||
|
|
result = e.errno
|
||
|
|
if result == errno.ENOENT:
|
||
|
|
print args[0] + ':',e.strerror
|
||
|
|
print 'Is your PATH set correctly?'
|
||
|
|
else:
|
||
|
|
print ' '.join(args), str(e)
|
||
|
|
|
||
|
|
return result
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
status = run_clang()
|
||
|
|
sys.exit(status)
|