~martin-decky/helenos/rcu

#!/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

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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

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#

"""

Wrapper for Stanse static checker

"""

import sys

import os

import subprocess

import jobfile

jobs = [

	"kernel/kernel.job",

	"uspace/srv/clip/clip.job"

]

def usage(prname):

	"Print usage syntax"

	print(prname + " <ROOT>")

def stanse(root, job):

	"Run Stanse on a jobfile"

	# Convert generic jobfile to Stanse-specific jobfile format

	inname = os.path.join(root, job)

	outname = os.path.join(root, "_%s" % os.path.basename(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()

	output = []

	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]

		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

		output.append([srcfname, tgtfname, base, options])

	outf = open(outname, "w")

	for record in output:

		outf.write("{%s},{%s},{%s},{%s}\n" % (record[0], record[1], record[2], record[3]))

	outf.close()

	# Run Stanse

	retval = subprocess.Popen(['stanse', '--checker', 'ReachabilityChecker', '--jobfile', outname]).wait()

	# Cleanup

	os.remove(outname)

	for record in output:

		tmpfile = os.path.join(record[2], "%s.preproc" % record[1])

		if (os.path.isfile(tmpfile)):

			os.remove(tmpfile)

	if (retval == 0):

		return True

	return False

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 stanse(rootdir, job)):

			print

			print("Failed job: %s" % job)

			return

	print

	print("All jobs passed")

if __name__ == '__main__':

	main()