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# SPDX-License-Identifier: Apache-2.0
# Copyright 2019 The Meson development team
from __future__ import annotations
import os
import subprocess
from pathlib import Path
import typing as T
def ls_as_bytestream() -> bytes:
if os.path.exists('.git'):
return subprocess.run(['git', 'ls-tree', '-r', '--name-only', 'HEAD'],
stdout=subprocess.PIPE).stdout
files = [str(p) for p in Path('.').glob('**/*')
if not p.is_dir() and
not next((x for x in p.parts if x.startswith('.')), None)]
return '\n'.join(files).encode()
def cscope() -> int:
ls = b'\n'.join([b'"%s"' % f for f in ls_as_bytestream().split()])
return subprocess.run(['cscope', '-v', '-b', '-i-'], input=ls).returncode
def ctags() -> int:
ls = ls_as_bytestream()
return subprocess.run(['ctags', '-L-'], input=ls).returncode
def etags() -> int:
ls = ls_as_bytestream()
return subprocess.run(['etags', '-'], input=ls).returncode
def run(args: T.List[str]) -> int:
tool_name = args[0]
srcdir_name = args[1]
os.chdir(srcdir_name)
assert tool_name in {'cscope', 'ctags', 'etags'}
res = globals()[tool_name]()
assert isinstance(res, int)
return res
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