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#!/usr/bin/env python
import os
import sys
import re
import tempfile
import shutil
import stat
def FindClangSpecs(path):
for root, dirs, files in os.walk(path):
for f in files:
if f.endswith(".xcspec") and f.startswith("Clang LLVM"):
yield os.path.join(root, f)
def ModifySpec(path, pathToChecker):
t = tempfile.NamedTemporaryFile(delete=False)
foundAnalyzer = False
with open(path) as f:
for line in f:
if not foundAnalyzer:
if line.find("Static Analyzer") >= 0:
foundAnalyzer = True
else:
m = re.search('^(\s*ExecPath\s*=\s*")', line)
if m:
line = "".join([m.group(0), pathToChecker, '";\n'])
t.write(line)
t.close()
print "(+)", path
try:
shutil.copy(t.name, path)
os.chmod(path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH)
except IOError, why:
print "\n Cannot update file:", why, "\n"
except OSError, why:
print "\n Cannot update file:", why, "\n"
os.unlink(t.name)
def main():
from optparse import OptionParser
parser = OptionParser('usage: %prog [options]')
parser.set_description(__doc__)
parser.add_option("--use-checker-build", dest="path",
help="Use the Clang located at the provided absolute path, e.g. /Users/foo/checker-1")
parser.add_option("--use-xcode-clang", action="store_const",
const="$(CLANG)", dest="default",
help="Use the Clang bundled with Xcode")
(options, args) = parser.parse_args()
if options.path is None and options.default is None:
parser.error("You must specify a version of Clang to use for static analysis. Specify '-h' for details")
if options.path:
# Expand tildes.
path = os.path.expanduser(options.path)
if not path.endswith("clang"):
print "Using Clang bundled with checker build:", path
path = os.path.join(path, "bin", "clang");
else:
print "Using Clang located at:", path
else:
print "Using the Clang bundled with Xcode"
path = options.default
print ""
for x in FindClangSpecs('/Developer'):
ModifySpec(x, path)
if __name__ == '__main__':
main()
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