103 lines
3.4 KiB
Python
103 lines
3.4 KiB
Python
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#! /usr/bin/env python2
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# -*- coding: utf-8 -*-
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# Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of The Linux Foundation nor
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# the names of its contributors may be used to endorse or promote
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# products derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Invoke gcc, looking for warnings, and causing a failure if there are
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# non-whitelisted warnings.
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import errno
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import re
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import os
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import sys
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import subprocess
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# Note that gcc uses unicode, which may depend on the locale. TODO:
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# force LANG to be set to en_US.UTF-8 to get consistent warnings.
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allowed_warnings = set([
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"fdt.c:932",
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"hid-magicmouse.c:579",
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"sysrq.c:956",
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"hci_sock.c:980",
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"pppopns.c:296",
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"pppopns.c:305",
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"pppopns.c:336",
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])
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# Capture the name of the object file, can find it.
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ofile = None
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warning_re = re.compile(r'''(.*/|)([^/]+\.[a-z]+:\d+):(\d+:)? warning:''')
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def interpret_warning(line):
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"""Decode the message from gcc. The messages we care about have a filename, and a warning"""
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line = line.rstrip('\n')
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m = warning_re.match(line)
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if m and m.group(2) not in allowed_warnings:
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print "error, forbidden warning:", m.group(2)
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# If there is a warning, remove any object if it exists.
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if ofile:
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try:
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os.remove(ofile)
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except OSError:
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pass
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sys.exit(1)
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def run_gcc():
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args = sys.argv[1:]
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# Look for -o
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try:
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i = args.index('-o')
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global ofile
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ofile = args[i+1]
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except (ValueError, IndexError):
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pass
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compiler = sys.argv[0]
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try:
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proc = subprocess.Popen(args, stderr=subprocess.PIPE)
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for line in proc.stderr:
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print line,
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interpret_warning(line)
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result = proc.wait()
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except OSError as e:
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result = e.errno
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if result == errno.ENOENT:
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print args[0] + ':',e.strerror
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print 'Is your PATH set correctly?'
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else:
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print ' '.join(args), str(e)
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return result
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if __name__ == '__main__':
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status = run_gcc()
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sys.exit(status)
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