extras/gen-babeltrace-h.py

   1 import re
   2
   3
   4 class _Section:
   5     def __init__(self, title, filenames):
   6         self.title = title
   7         self.filenames = filenames
   8
   9
  10 def _get_sections(file):
  11     sections = []
  12     cur_title = None
  13     cur_filenames = []
  14
  15     for line in file:
  16         m = re.match(r'^# (.+API.*)$', line)
  17
  18         if m:
  19             if cur_filenames:
  20                 sections.append(_Section(cur_title, cur_filenames))
  21                 cur_title = None
  22                 cur_filenames = []
  23
  24             cur_title = m.group(1)
  25             continue
  26
  27         m = re.match(r'^\s+(babeltrace/.+\.h).*$', line)
  28
  29         if m:
  30             if m.group(1) != 'babeltrace/babeltrace.h':
  31                 cur_filenames.append(m.group(1))
  32
  33             continue
  34
  35         if re.match(r'^noinst_HEADERS.*', line):
  36             break
  37
  38     if cur_filenames:
  39         sections.append(_Section(cur_title, cur_filenames))
  40
  41     return sections
  42
  43
  44 def _c_includes_from_sections(sections):
  45     src = ''
  46
  47     for section in sections:
  48         src += '/* {} */\n'.format(section.title)
  49
  50         for filename in sorted(section.filenames):
  51             src += '#include <{}>\n'.format(filename)
  52
  53         src += '\n'
  54
  55     return src[:-1]
  56
  57
  58 def _main():
  59     with open('include/Makefile.am') as f:
  60         sections = _get_sections(f)
  61
  62     print('''#ifndef BABELTRACE_BABELTRACE_H
  63 #define BABELTRACE_BABELTRACE_H
  64
  65 /*
  66  * Babeltrace API
  67  *
  68  * Copyright 2010-2018 EfficiOS Inc. <http://www.efficios.com/>
  69  *
  70  * Permission is hereby granted, free of charge, to any person obtaining a copy
  71  * of this software and associated documentation files (the "Software"), to deal
  72  * in the Software without restriction, including without limitation the rights
  73  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  74  * copies of the Software, and to permit persons to whom the Software is
  75  * furnished to do so, subject to the following conditions:
  76  *
  77  * The above copyright notice and this permission notice shall be included in
  78  * all copies or substantial portions of the Software.
  79  *
  80  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  81  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  82  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  83  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  84  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  85  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  86  * SOFTWARE.
  87  */
  88 ''')
  89     print(_c_includes_from_sections(sections))
  90     print('#endif /* BABELTRACE_BABELTRACE_H */')
  91
  92 if __name__ == '__main__':
  93     _main()