| 1 | #!/usr/bin/python |
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| 2 | |
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| 3 | # [PR 11661] Note that we hardwire to /usr/bin/python because we |
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| 4 | # want to the use the system version of Python on Mac OS X. |
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| 5 | # This one has the scripting bridge enabled. |
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| 6 | |
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| 7 | import sys |
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| 8 | if sys.version_info < (2, 7): |
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| 9 | print "set-xcode-analyzer requires Python 2.7 or later" |
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| 10 | sys.exit(1) |
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| 11 | |
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| 12 | import os |
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| 13 | import subprocess |
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| 14 | import re |
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| 15 | import tempfile |
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| 16 | import shutil |
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| 17 | import stat |
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| 18 | from AppKit import * |
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| 19 | |
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| 20 | def FindClangSpecs(path): |
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| 21 | print "(+) Searching for xcspec file in: ", path |
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| 22 | for root, dirs, files in os.walk(path): |
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| 23 | for f in files: |
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| 24 | if f.endswith(".xcspec") and f.startswith("Clang LLVM"): |
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| 25 | yield os.path.join(root, f) |
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| 26 | |
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| 27 | def ModifySpec(path, isBuiltinAnalyzer, pathToChecker): |
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| 28 | t = tempfile.NamedTemporaryFile(delete=False) |
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| 29 | foundAnalyzer = False |
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| 30 | with open(path) as f: |
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| 31 | if isBuiltinAnalyzer: |
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| 32 | # First search for CLANG_ANALYZER_EXEC. Newer |
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| 33 | # versions of Xcode set EXEC_PATH to be CLANG_ANALYZER_EXEC. |
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| 34 | with open(path) as f2: |
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| 35 | for line in f2: |
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| 36 | if line.find("CLANG_ANALYZER_EXEC") >= 0: |
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| 37 | pathToChecker = "$(CLANG_ANALYZER_EXEC)" |
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| 38 | break |
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| 39 | # Now create a new file. |
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| 40 | for line in f: |
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| 41 | if not foundAnalyzer: |
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| 42 | if line.find("Static Analyzer") >= 0: |
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| 43 | foundAnalyzer = True |
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| 44 | else: |
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| 45 | m = re.search(r'^(\s*ExecPath\s*=\s*")', line) |
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| 46 | if m: |
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| 47 | line = "".join([m.group(0), pathToChecker, '";\n']) |
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| 48 | # Do not modify further ExecPath's later in the xcspec. |
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| 49 | foundAnalyzer = False |
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| 50 | t.write(line) |
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| 51 | t.close() |
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| 52 | print "(+) processing:", path |
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| 53 | try: |
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| 54 | shutil.copy(t.name, path) |
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| 55 | os.chmod(path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH) |
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| 56 | except IOError, why: |
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| 57 | print " (-) Cannot update file:", why, "\n" |
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| 58 | except OSError, why: |
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| 59 | print " (-) Cannot update file:", why, "\n" |
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| 60 | os.unlink(t.name) |
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| 61 | |
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| 62 | def main(): |
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| 63 | from optparse import OptionParser |
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| 64 | parser = OptionParser('usage: %prog [options]') |
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| 65 | parser.set_description(__doc__) |
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| 66 | parser.add_option("--use-checker-build", dest="path", |
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| 67 | help="Use the Clang located at the provided absolute path, e.g. /Users/foo/checker-1") |
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| 68 | parser.add_option("--use-xcode-clang", action="store_const", |
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| 69 | const="$(CLANG)", dest="default", |
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| 70 | help="Use the Clang bundled with Xcode") |
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| 71 | (options, args) = parser.parse_args() |
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| 72 | if options.path is None and options.default is None: |
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| 73 | parser.error("You must specify a version of Clang to use for static analysis. Specify '-h' for details") |
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| 74 | |
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| 75 | # determine if Xcode is running |
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| 76 | for x in NSWorkspace.sharedWorkspace().runningApplications(): |
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| 77 | if x.localizedName().find("Xcode") >= 0: |
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| 78 | print "(-) You must quit Xcode first before modifying its configuration files." |
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| 79 | sys.exit(1) |
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| 80 | |
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| 81 | isBuiltinAnalyzer = False |
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| 82 | if options.path: |
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| 83 | # Expand tildes. |
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| 84 | path = os.path.expanduser(options.path) |
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| 85 | if not path.endswith("clang"): |
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| 86 | print "(+) Using Clang bundled with checker build:", path |
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| 87 | path = os.path.join(path, "bin", "clang"); |
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| 88 | else: |
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| 89 | print "(+) Using Clang located at:", path |
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| 90 | else: |
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| 91 | print "(+) Using the Clang bundled with Xcode" |
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| 92 | path = options.default |
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| 93 | isBuiltinAnalyzer = True |
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| 94 | |
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| 95 | try: |
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| 96 | xcode_path = subprocess.check_output(["xcode-select", "-print-path"]) |
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| 97 | except AttributeError: |
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| 98 | # Fall back to the default install location when using Python < 2.7.0 |
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| 99 | xcode_path = "/Developer" |
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| 100 | if (xcode_path.find(".app/") != -1): |
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| 101 | # Cut off the 'Developer' dir, as the xcspec lies in another part |
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| 102 | # of the Xcode.app subtree. |
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| 103 | xcode_path = xcode_path.rsplit('/Developer', 1)[0] |
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| 104 | |
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| 105 | foundSpec = False |
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| 106 | for x in FindClangSpecs(xcode_path): |
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| 107 | foundSpec = True |
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| 108 | ModifySpec(x, isBuiltinAnalyzer, path) |
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| 109 | |
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| 110 | if foundSpec == False: |
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| 111 | print "(-) No compiler configuration file was found. Xcode's analyzer has not been updated." |
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| 112 | |
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| 113 | if __name__ == '__main__': |
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| 114 | main() |
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| 115 | |
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