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48 lines
1.5 KiB
Python
Executable File
48 lines
1.5 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# 2017 by David Lamparter, placed in public domain
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import sys, re, subprocess, os
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# find all DEFUNs
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defun_re = re.compile(
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r'^((DEF(UN(|_ATTR|_CMD_(ELEMENT|FUNC_(DECL|TEXT))|_DEPRECATED|_NOSH|_HIDDEN|SH(|_ATTR|_DEPRECATED|_HIDDEN))?|PY|PY_ATTR|PY_HIDDEN)|ALIAS)\s*\(.*?)^(?=\s*\{)',
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re.M | re.S)
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define_re = re.compile(
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r'((^#\s*define[^\n]+[^\\]\n)+)',
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re.M | re.S)
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# find clang-format control that we just inserted
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clean_re = re.compile(
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r'^.*/\* \$FRR indent\$ \*/\s*\n\s*/\* clang-format (on|off) \*/\s*\n',
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re.M)
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def wrap_file(fn):
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with open(fn, 'r') as fd:
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text = fd.read()
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repl = r'/* $FRR indent$ */\n/* clang-format off */\n' + \
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r'\1' + \
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r'/* $FRR indent$ */\n/* clang-format on */\n'
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# around each DEFUN, insert an indent-on/off comment
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text = defun_re.sub(repl, text)
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text = define_re.sub(repl, text)
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ci = subprocess.Popen(['clang-format'], stdin = subprocess.PIPE, stdout = subprocess.PIPE)
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stdout, ign = ci.communicate(text)
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ci.wait()
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if ci.returncode != 0:
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raise IOError('clang-format returned %d' % (ci.returncode))
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# remove the bits we inserted above
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final = clean_re.sub('', stdout)
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tmpname = fn + '.indent'
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with open(tmpname, 'w') as ofd:
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ofd.write(final)
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os.rename(tmpname, fn)
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if __name__ == '__main__':
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for fn in sys.argv[1:]:
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wrap_file(fn)
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