boilerplate/make-cairo-boilerplate-constructors.py

   1 # IMPORTANT: Keep in sync with make-cairo-boilerplate-constructors.sh
   2 #            and test/make-cairo-test-constructors.py!
   3 import argparse
   4 import sys
   5 import re
   6
   7 if __name__=='__main__':
   8     parser = argparse.ArgumentParser()
   9     parser.add_argument('output')
  10     parser.add_argument('input', nargs='+')
  11     args = parser.parse_args()
  12
  13     boilerplate_names = []
  14
  15     match_boilerplate_line = re.compile(r'^CAIRO_BOILERPLATE.*')
  16     match_boilerplate_name = re.compile(r'^CAIRO_BOILERPLATE.*\((.*),.*')
  17
  18     for fname in args.input:
  19         with open(fname, 'r', encoding='utf-8') as f:
  20             for l in f.readlines():
  21                 if match_boilerplate_line.match(l):
  22                     boilerplate_names.append(match_boilerplate_name.match(l).group(1))
  23
  24     with open(args.output, 'w', encoding='utf-8') as f:
  25         f.write('/* WARNING: Autogenerated file - see %s! */\n\n' % sys.argv[0])
  26         f.write('#include "cairo-boilerplate-private.h"\n\n')
  27         f.write('void _cairo_boilerplate_register_all (void);\n\n')
  28
  29         for boilerplate_name in boilerplate_names:
  30             f.write('extern void _register_%s (void);\n' % boilerplate_name)
  31
  32         f.write('\nvoid\n')
  33         f.write('_cairo_boilerplate_register_all (void)\n')
  34         f.write('{\n')
  35
  36         for boilerplate_name in boilerplate_names:
  37             f.write('    _register_%s ();\n' % boilerplate_name)
  38         f.write('}\n')