aosp12/external/vixl/tools/clang_tidy.py

174 lines
6.7 KiB
Python
Executable File

#!/usr/bin/env python2.7
# Copyright 2019, VIXL authors
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# * Neither the name of ARM Limited nor the names of its contributors may be
# used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import argparse
import multiprocessing
import os
import re
import sys
from clang_format import CLANG_FORMAT_VERSION_MAJOR, CLANG_FORMAT_VERSION_MINOR
from threaded_tests import Test, TestQueue
import config
import printer
import util
CLANG_TIDY_VERSION_MAJOR = CLANG_FORMAT_VERSION_MAJOR
CLANG_TIDY_VERSION_MINOR = CLANG_FORMAT_VERSION_MINOR
DEFAULT_CLANG_TIDY = \
'clang-tidy-{}.{}'.format(CLANG_TIDY_VERSION_MAJOR,
CLANG_TIDY_VERSION_MINOR)
def BuildOptions():
parser = argparse.ArgumentParser(
description = '''This tool runs `clang-tidy` on C++ files.''',
# Print default values.
formatter_class = argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('files', nargs='*')
parser.add_argument('--jobs', '-j', metavar='N', type=int, nargs='?',
default=multiprocessing.cpu_count(),
const=multiprocessing.cpu_count(),
help='''Runs the tests using N jobs. If the option is set
but no value is provided, the script will use as many jobs
as it thinks useful.''')
parser.add_argument('--clang-tidy', default=DEFAULT_CLANG_TIDY,
help='Path to clang-tidy.')
return parser.parse_args()
def ClangTidyIsAvailable(clang_tidy):
if not util.IsCommandAvailable(clang_tidy):
return False
cmd = '%s -version' % clang_tidy
rc, version = util.getstatusoutput(cmd)
if rc != 0:
util.abort("Failed to execute %s: %s" % (cmd, version))
m = re.search("LLVM version (\d)\.(\d)\.\d.*$", version.decode(), re.M)
if not m:
util.abort("Failed to get clang-tidy's version: %s" % version)
major, minor = m.groups()
return int(major) == CLANG_TIDY_VERSION_MAJOR and \
int(minor) == CLANG_TIDY_VERSION_MINOR
def FilterClangTidyLines(lines):
out = []
print_context = False
for line in lines:
if ("Error: no checks enabled" in line) or ("USAGE" in line):
# We've incorrectly invoked or configured clang-tidy. This should never
# happen, but it if it does, make sure that the test fails.
return line
elif "error:" in line:
out.append(line)
print_context = True
elif "warning:" in line:
out.append(line)
print_context = True
elif print_context:
out.append(line)
return "\n".join(out)
def FilterFiles(list_files):
return list(filter(lambda x: x.endswith('.cc'), list_files))
def RunTest(test):
cmd = " ".join(test.args['command'])
rc, p_out = util.getstatusoutput(cmd)
if rc != 0:
# This usually happens when the compiler hits a '#error' because of
# a missing define.
printer.Print("%sFATAL ERROR: failed to run command '%s': %s%s" %
(printer.COLOUR_RED, cmd, p_out, printer.NO_COLOUR))
p_out = FilterClangTidyLines(p_out.split('\n'))
failed = (len(p_out) > 0) or (rc != 0)
if failed:
with Test.n_tests_failed.get_lock(): Test.n_tests_failed.value += 1
else:
with Test.n_tests_passed.get_lock(): Test.n_tests_passed.value += 1
printer.__print_lock__.acquire()
printer.UpdateProgress(test.shared.start_time,
Test.n_tests_passed.value,
Test.n_tests_failed.value,
test.shared.n_tests,
Test.n_tests_skipped.value,
test.shared.n_known_failures,
test.name,
prevent_next_overwrite = failed ,
has_lock = True,
prefix = test.shared.progress_prefix)
if failed:
printer.Print(printer.COLOUR_RED + 'FAILED: '+ cmd + printer.NO_COLOUR,
has_lock = True)
printer.Print(p_out, has_lock = True)
printer.__print_lock__.release()
def ClangTidyFiles(files, clang_tidy, jobs = 1, progress_prefix = ''):
if not ClangTidyIsAvailable(clang_tidy):
error_message = "`{}` version {}.{} not found. Please ensure it " \
"is installed, in your PATH and the correct version." \
.format(clang_tidy,
CLANG_TIDY_VERSION_MAJOR,
CLANG_TIDY_VERSION_MINOR)
print(printer.COLOUR_RED + error_message + printer.NO_COLOUR)
return -1
opts = ['--', '-DVIXL_INCLUDE_TARGET_AARCH64', '-DVIXL_CODE_BUFFER_MALLOC',
'-DVIXL_DEBUG','-DVIXL_INCLUDE_SIMLUATOR_AARCH64',
'-DVIXL_INCLUDE_TARGET_A32','-DVIXL_INCLUDE_TARGET_T32',
'-DVIXL_INCLUDE_TARGET_A64']
opts += ['-I%s' % config.dir_src_vixl]
opts += ['-I%s' % config.dir_tests]
opts += ['-I%s' % config.dir_aarch64_examples]
opts += ['-I%s' % config.dir_aarch32_examples]
to_check = FilterFiles(files)
printer.Print("clang-tidy: %d files to check" % len(to_check))
queue = TestQueue(prefix = progress_prefix)
for file in to_check:
for cpp_version in config.tested_cpp_standards:
command = [clang_tidy, file] + opts + ['-std=%s' % cpp_version]
queue.AddTest(file, command=command)
return queue.Run(jobs, True, RunTest)
if __name__ == '__main__':
# Parse the arguments.
args = BuildOptions()
files = args.files or util.get_source_files()
rc = ClangTidyFiles(files, args.clang_tidy, args.jobs)
sys.exit(rc)