Qyriad
95863b258b
lix-doc is now built with Meson, with lix-doc's dependencies built as
Meson subprojects, either fetched on demand with .wrap files, or fetched
in advance by Nix with importCargoLock. It even builds statically.
Fixes #256.
Co-authored-by: Lunaphied <lunaphied@lunaphied.me>
Co-authored-by: Jade Lovelace <lix@jade.fyi>
Change-Id: I3a4731ff13278e7117e0316bc0d7169e85f5eb0c
61 lines
1.8 KiB
Python
Executable file
61 lines
1.8 KiB
Python
Executable file
#!/usr/bin/env python3
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# Deletes the PCH arguments from a compilation database, to workaround nixpkgs
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# stdenv having a cc-wrapper that is impossible to use for anything except cc
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# itself, for example, clang-tidy.
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import json
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import shlex
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def process_compdb(compdb: list[dict]) -> list[dict]:
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def munch_command(args: list[str]) -> list[str]:
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out = []
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eat_next = False
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for i, arg in enumerate(args):
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if arg == '-fpch-preprocess':
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# as used with gcc
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continue
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elif arg == '-include-pch' or (arg == '-include' and args[i + 1] == 'precompiled-headers.hh'):
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# -include-pch some-pch (clang), or -include some-pch (gcc)
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eat_next = True
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continue
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if not eat_next:
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out.append(arg)
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eat_next = False
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return out
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def chomp(item: dict) -> dict:
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item = item.copy()
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item['command'] = shlex.join(munch_command(shlex.split(item['command'])))
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return item
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def cmdfilter(item: dict) -> bool:
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file = item['file']
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return (
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not file.endswith('precompiled-headers.hh')
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and not file.endswith('.rs')
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)
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return [chomp(x) for x in compdb if cmdfilter(x)]
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def main():
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import argparse
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ap = argparse.ArgumentParser(
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description='Delete pch arguments from compilation database')
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ap.add_argument('input',
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type=argparse.FileType('r'),
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help='Input json file')
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ap.add_argument('output',
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type=argparse.FileType('w'),
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help='Output json file')
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args = ap.parse_args()
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input_json = json.load(args.input)
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json.dump(process_compdb(input_json), args.output, indent=2)
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if __name__ == '__main__':
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main()
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