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# Copyright 2018 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import subprocess
import itertools
import fnmatch
from pathlib import Path
from concurrent.futures import ThreadPoolExecutor
from ..compilers import lang_suffixes
from ..mesonlib import Popen_safe
import typing as T
def parse_pattern_file(fname: Path) -> T.List[str]:
patterns = []
try:
with fname.open(encoding='utf-8') as f:
for line in f:
pattern = line.strip()
if pattern and not pattern.startswith('#'):
patterns.append(pattern)
except FileNotFoundError:
pass
return patterns
def run_tool(name: str, srcdir: Path, builddir: Path, fn: T.Callable[..., subprocess.CompletedProcess], *args: T.Any) -> int:
patterns = parse_pattern_file(srcdir / f'.{name}-include')
globs: T.Union[T.List[T.List[Path]], T.List[T.Generator[Path, None, None]]]
if patterns:
globs = [srcdir.glob(p) for p in patterns]
else:
p, o, _ = Popen_safe(['git', 'ls-files'], cwd=srcdir)
if p.returncode == 0:
globs = [[Path(srcdir, f) for f in o.splitlines()]]
else:
globs = [srcdir.glob('**/*')]
patterns = parse_pattern_file(srcdir / f'.{name}-ignore')
ignore = [str(builddir / '*')]
ignore.extend([str(srcdir / p) for p in patterns])
suffixes = set(lang_suffixes['c']).union(set(lang_suffixes['cpp']))
suffixes.add('h')
suffixes = {f'.{s}' for s in suffixes}
futures = []
returncode = 0
with ThreadPoolExecutor() as e:
for f in itertools.chain(*globs):
strf = str(f)
if f.is_dir() or f.suffix not in suffixes or \
any(fnmatch.fnmatch(strf, i) for i in ignore):
continue
futures.append(e.submit(fn, f, *args))
if futures:
returncode = max(x.result().returncode for x in futures)
return returncode
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