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#!/usr/bin/env python
#
# Copyright (c) 2010 Martin Decky
# 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.
# - The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR 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.
#
"""
Wrapper for Clang static analyzer
"""
import sys
import os
import subprocess
import jobfile
jobs = [
"kernel/kernel.job"
]
def usage(prname):
"Print usage syntax"
print(prname + " <ROOT>")
def clang(root, job):
"Run Clang on a jobfile"
inname = os.path.join(root, job)
if (not os.path.isfile(inname)):
print("Unable to open %s" % inname)
print("Did you run \"make precheck\" on the source tree?")
return False
inf = open(inname, "r")
records = inf.read().splitlines()
inf.close()
for record in records:
arg = jobfile.parse_arg(record)
if (not arg):
return False
if (len(arg) < 6):
print("Not enough jobfile record arguments")
return False
srcfname = arg[0]
tgtfname = arg[1]
tool = arg[2]
category = arg[3]
base = arg[4]
options = arg[5].split()
srcfqname = os.path.join(base, srcfname)
if (not os.path.isfile(srcfqname)):
print("Source %s not found" % srcfqname)
return False
# Only C files are interesting for us
if (tool != "cc"):
continue
args = ['clang', '-Qunused-arguments', '--analyze',
'-Xanalyzer', '-analyzer-opt-analyze-headers',
'-Xanalyzer', '-checker-cfref']
args.extend(options)
args.extend(['-o', tgtfname, srcfname])
cwd = os.getcwd()
os.chdir(base)
retval = subprocess.Popen(args).wait()
os.chdir(cwd)
if (retval != 0):
return False
return True
def main():
if (len(sys.argv) < 2):
usage(sys.argv[0])
return
rootdir = os.path.abspath(sys.argv[1])
config = os.path.join(rootdir, "HelenOS.config")
if (not os.path.isfile(config)):
print("%s not found." % config)
print("Please specify the path to HelenOS build tree root as the first argument.")
return
for job in jobs:
if (not clang(rootdir, job)):
print
print("Failed job: %s" % job)
return
print
print("All jobs passed")
if __name__ == '__main__':
main()
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