"""Adjusts the directory until a compilation database is found."""

result = './'

while not os.path.isfile(os.path.join(result, path)):

if os.path.realpath(result) == '/':

print('Error: could not find compilation database.')

sys.exit(1)

result += '../'

header_filter, config, extra_args):

"""Gets a command line for clang-tidy."""

start = [clang_tidy_binary]

if header_filter is not None:

start.append('-header-filter=' + header_filter)

else:

# Show warnings in all in-project headers by default.

start.append('-header-filter=^' + build_path + '/.*')

if checks:

start.append('-checks=' + checks)

if warningsAsErrors:

start.append('-warnings-as-errors=' + warningsAsErrors)

if config:

start.append('-config=' + config)

for extra in extra_args:

start.append(extra)

if tmpdir is not None:

start.append('-export-fixes')

# Get a temporary file. We immediately close the handle so clang-tidy can

# overwrite it.

(handle, name) = tempfile.mkstemp(suffix='.yaml', dir=tmpdir)

os.close(handle)

start.append(name)

start.append('-p=' + build_path)

start.append(f)

start.append('--extra-arg=-fopenmp')

"""Calls clang-apply-fixes on a given directory. Deletes the dir when done."""

invocation = [args.clang_apply_replacements_binary]

if args.format:

invocation.append('-format')

invocation.append(tmpdir)

subprocess.call(invocation)

"""Takes filenames out of queue and runs clang-tidy on them."""

while True:

name = queue.get()

invocation = get_tidy_invocation(name, args.clang_tidy_binary, args.checks, args.warningsAsErrors,

tmpdir, build_path, args.header_filter, args.config, args.extra_args)

sys.stdout.write(' '.join(invocation) + '\n')

subprocess.call(invocation)

parser = argparse.ArgumentParser(description='Runs clang-tidy over all files '

'in a compilation database. Requires '

'clang-tidy and clang-apply-replacements in '

'$PATH.')

parser.add_argument('-clang-tidy-binary', metavar='PATH',

default='O2CodeChecker',

help='path to O2CodeChecker binary')

parser.add_argument('-clang-apply-replacements-binary', metavar='PATH',

default='clang-apply-replacements',

help='path to clang-apply-replacements binary')

parser.add_argument('-checks', default=None,

help='checks filter, when not specified, use clang-tidy '

'default')

parser.add_argument('-warnings-as-errors', default=None, dest="warningsAsErrors",

help='checks which should become errors when triggered '

'default')

parser.add_argument('-config', default=None,

help='config option for check , when not specified, use clang-tidy '

'default')

parser.add_argument('-extra-args', default=None,

help='Extra arguments to pass to o2codechecker')

parser.add_argument('-header-filter', default=None,

help='regular expression matching the names of the '

'headers to output diagnostics from. Diagnostics from '

'the main file of each translation unit are always '

'displayed.')

parser.add_argument('-j', type=int, default=0,

help='number of tidy instances to be run in parallel.')

parser.add_argument('files', nargs='*', default=['.*'],

help='files to be processed (regex on path)')

parser.add_argument('-fix', action='store_true', help='apply fix-its')

parser.add_argument('-format', action='store_true', help='Reformat code '

'after applying fixes')

parser.add_argument('-p', dest='build_path',

help='Path used to read a compile command database.')

args = parser.parse_args()

db_path = 'compile_commands.json'

if args.extra_args:

args.extra_args = args.extra_args.split(" ")

if args.build_path is not None:

build_path = args.build_path

else:

# Find our database

build_path = find_compilation_database(db_path)

try:

invocation = [args.clang_tidy_binary, '-list-checks']

invocation.append('-p=' + build_path)

if args.config:

invocation.append('-config=' + args.config)

if args.checks:

invocation.append('-checks=' + args.checks)

invocation.append('-')

print(subprocess.check_output(invocation))

except:

print("Unable to run clang-tidy.")

sys.exit(1)

# Load the database and extract all files.

database = json.load(open(os.path.join(build_path, db_path)))

files = [entry['file'] for entry in database]

max_task = args.j

if max_task == 0:

max_task = multiprocessing.cpu_count()

tmpdir = None

if args.fix:

tmpdir = tempfile.mkdtemp()

# Build up a big regexy filter from all command line arguments.

file_name_re = re.compile('(' + ')|('.join(args.files) + ')')

try:

# Spin up a bunch of tidy-launching threads.

queue = Queue.Queue(max_task)

for _ in range(max_task):

t = threading.Thread(target=run_tidy,

args=(args, tmpdir, build_path, queue))

t.daemon = True

t.start()

# Fill the queue with files.

for name in files:

if file_name_re.search(name):

queue.put(name)

# Wait for all threads to be done.

queue.join()

except KeyboardInterrupt:

# This is a sad hack. Unfortunately subprocess goes

# bonkers with ctrl-c and we start forking merrily.

print('\nCtrl-C detected, goodbye.')

if args.fix:

shutil.rmtree(tmpdir)

os.kill(0, 9)

if args.fix:

print('Applying fixes ...')