--- tools/clang/tools/scan-build/bin/set-xcode-analyzer.orig 2016-10-12 02:17:08 UTC +++ tools/clang/tools/scan-build/bin/set-xcode-analyzer @@ -0,0 +1,114 @@ +#!/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 = "$(CLANG_ANALYZER_EXEC)" + break + # Now create a new file. + for line in f: + if not foundAnalyzer: + if line.find("Static Analyzer") >= 0: + foundAnalyzer = True + else: + m = re.search('^(\s*ExecPath\s*=\s*")', line) + if m: + line = "".join([m.group(0), pathToChecker, '";\n']) + # Do not modify further ExecPath's later in the xcspec. + foundAnalyzer = False + t.write(line) + t.close() + print "(+) processing:", path + try: + shutil.copy(t.name, path) + os.chmod(path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH) + except IOError, why: + print " (-) Cannot update file:", why, "\n" + except OSError, why: + print " (-) Cannot update file:", why, "\n" + os.unlink(t.name) + +def main(): + from optparse import OptionParser + parser = OptionParser('usage: %prog [options]') + parser.set_description(__doc__) + parser.add_option("--use-checker-build", dest="path", + help="Use the Clang located at the provided absolute path, e.g. /Users/foo/checker-1") + parser.add_option("--use-xcode-clang", action="store_const", + const="$(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()