build/generator/extractor.py

   1 #!/usr/bin/env python
   2 #
   3 # extractor.py: extract function names from declarations in header files
   4 #
   5 # ====================================================================
   6 # Copyright (c) 2000-2006 CollabNet.  All rights reserved.
   7 #
   8 # This software is licensed as described in the file COPYING, which
   9 # you should have received as part of this distribution.  The terms
  10 # are also available at http://subversion.tigris.org/license-1.html.
  11 # If newer versions of this license are posted there, you may use a
  12 # newer version instead, at your option.
  13 #
  14 # This software consists of voluntary contributions made by many
  15 # individuals.  For exact contribution history, see the revision
  16 # history and logs, available at http://subversion.tigris.org/.
  17 # ====================================================================
  18 #
  19
  20 import os
  21 import re
  22 import string
  23
  24 #
  25 # This parses the following two types of declarations:
  26 #
  27 #    void
  28 #    svn_foo_bar (args)
  29 # or
  30 #    void svn_foo_bar (args)
  31 #
  32 _funcs = re.compile(r'^(?:(?:(?:\w+|\*) )+\*?)?((?:svn|apr)_[a-z_0-9]+)\s*\(', re.M)
  33
  34 def extract_funcs(fname):
  35   funcs = [ ]
  36   for name in _funcs.findall(open(fname).read()):
  37     if name not in _filter_names:
  38       funcs.append(name)
  39   return funcs
  40
  41 _filter_names = [
  42   'svn_boolean_t',  # svn_config_enumerator_t looks like (to our regex) a
  43                     # function declaration for svn_boolean_t
  44   'svn_auth_get_keychain_simple_provider', # Not available on Windows
  45   ]
  46
  47 if __name__ == '__main__':
  48   # run the extractor over each file mentioned
  49   import sys
  50   print "EXPORTS"
  51   for fname in sys.argv[1:]:
  52     for func in extract_funcs(fname):
  53       print func
  54     if os.path.basename(fname) == 'svn_ctype.h':
  55       print 'svn_ctype_table = svn_ctype_table_internal CONSTANT'