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