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a32db8ed19
Contains unfinished attempt to integrate IWYU (ref #549). To finish it different job should be done, specifically: - Instead of feeding IWYU with modified file a mirror source tree should be created with the help of CMake which will contain modified sources. This solves the problem with IWYU thinking that `*.generated.h` headers should be included in place of `*` headers. - Build IWYU as all other third-party utilities. - Make modified sources avoid problems with `nvim/func_attr.h` includes and various related tricks. Current script may only be used for manual checks like this: ./scripts/check-includes.py \ --generated-includes-dir build/include \ --generated-includes-dir build/src/nvim/auto \ --file src/nvim/eval/typval.c \ -- -Isrc -Ibuild/include -Ibuild/src/nvim/auto \ -DINCLUDE_GENERATED_DECLARATIONS (it is also somewhat fine with `--file src/nvim/eval/typval.h`). I have no idea why (I mean, why developer think that these lines are needed, why they are suggested is pretty obvious: because there is typedef which mentions them before structs are defined), but for typval.h it reports, among other things, that it should add lines struct dictvar_S; struct listitem_S; struct listvar_S; struct listwatch_S;
67 lines
1.7 KiB
Python
Executable File
67 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python
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import sys
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import re
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import os
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from subprocess import Popen, PIPE
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from argparse import ArgumentParser
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GENERATED_INCLUDE_RE = re.compile(
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r'^\s*#\s*include\s*"([/a-z_0-9.]+\.generated\.h)"(\s+//.*)?$')
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def main(argv):
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argparser = ArgumentParser()
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argparser.add_argument('--generated-includes-dir', action='append',
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help='Directory where generated includes are located.')
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argparser.add_argument('--file', type=open, help='File to check.')
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argparser.add_argument('iwyu_args', nargs='*',
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help='IWYU arguments, must go after --.')
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args = argparser.parse_args(argv)
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with args.file:
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include_dirs = []
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iwyu = Popen(['include-what-you-use', '-xc'] + args.iwyu_args + ['/dev/stdin'],
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stdin=PIPE, stdout=PIPE, stderr=PIPE)
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for line in args.file:
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match = GENERATED_INCLUDE_RE.match(line)
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if match:
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for d in args.generated_includes_dir:
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try:
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f = open(os.path.join(d, match.group(1)))
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except IOError:
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continue
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else:
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with f:
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for generated_line in f:
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iwyu.stdin.write(generated_line)
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break
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else:
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raise IOError('Failed to find {0}'.format(match.group(1)))
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else:
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iwyu.stdin.write(line)
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iwyu.stdin.close()
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out = iwyu.stdout.read()
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err = iwyu.stderr.read()
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ret = iwyu.wait()
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if ret != 2:
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print('IWYU failed with exit code {0}:'.format(ret))
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print('{0} stdout {0}'.format('=' * ((80 - len(' stdout ')) // 2)))
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print(out)
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print('{0} stderr {0}'.format('=' * ((80 - len(' stderr ')) // 2)))
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print(err)
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return 1
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return 0
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if __name__ == '__main__':
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raise SystemExit(main(sys.argv[1:]))
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