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#!/usr/bin/python
# [PR 11661] Note that we hardwire to /usr/bin/python because we
# want to the use the system version of Python on Mac OS X.
# This one has the scripting bridge enabled.
import sys
if sys.version_info < (2, 7):
print "set-xcode-analyzer requires Python 2.7 or later"
sys.exit(1)
import os
import subprocess
import re
import tempfile
import shutil
import stat
from AppKit import *
def FindClangSpecs(path):
print "(+) Searching for xcspec file in: ", 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, isBuiltinAnalyzer, pathToChecker):
t = tempfile.NamedTemporaryFile(delete=False)
foundAnalyzer = False
with open(path) as f:
if isBuiltinAnalyzer:
# First search for CLANG_ANALYZER_EXEC. Newer
# versions of Xcode set EXEC_PATH to be CLANG_ANALYZER_EXEC.
with open(path) as f2:
for line in f2:
if line.find("CLANG_ANALYZER_EXEC") >= 0:
pathToChecker = "$(CLANG_ANALYZER_EXEC)"
break
# Now create a new file.
for line in f:
if not foundAnalyzer:
if line.find("Static Analyzer") >= 0:
foundAnalyzer = True
else:
m = re.search(r'^(\s*ExecPath\s*=\s*")', line)
if m:
line = "".join([m.group(0), pathToChecker, '";\n'])
# Do not modify further ExecPath's later in the xcspec.
foundAnalyzer = False
t.write(line)
t.close()
print "(+) processing:", path
try:
shutil.copy(t.name, path)
os.chmod(path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH)
except IOError, why:
print " (-) Cannot update file:", why, "\n"
except OSError, why:
print " (-) Cannot update file:", why, "\n"
os.unlink(t.name)
def main():
from optparse import OptionParser
parser = OptionParser('usage: %prog [options]')
parser.set_description(__doc__)
parser.add_option("--use-checker-build", dest="path",
help="Use the Clang located at the provided absolute path, e.g. /Users/foo/checker-1")
parser.add_option("--use-xcode-clang", action="store_const",
const="$(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")
# determine if Xcode is running
for x in NSWorkspace.sharedWorkspace().runningApplications():
if x.localizedName().find("Xcode") >= 0:
print "(-) You must quit Xcode first before modifying its configuration files."
sys.exit(1)
isBuiltinAnalyzer = False
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
isBuiltinAnalyzer = True
try:
xcode_path = subprocess.check_output(["xcode-select", "-print-path"])
except AttributeError:
# Fall back to the default install location when using Python < 2.7.0
xcode_path = "/Developer"
if (xcode_path.find(".app/") != -1):
# Cut off the 'Developer' dir, as the xcspec lies in another part
# of the Xcode.app subtree.
xcode_path = xcode_path.rsplit('/Developer', 1)[0]
foundSpec = False
for x in FindClangSpecs(xcode_path):
foundSpec = True
ModifySpec(x, isBuiltinAnalyzer, path)
if foundSpec == False:
print "(-) No compiler configuration file was found. Xcode's analyzer has not been updated."
if __name__ == '__main__':
main()
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