service_runtime/export_header.py

   1 #!/usr/bin/python
   2 #
   3 # Copyright 2008, Google Inc.
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions are
   8 # met:
   9 #
  10 #     * Redistributions of source code must retain the above copyright
  11 # notice, this list of conditions and the following disclaimer.
  12 #     * Redistributions in binary form must reproduce the above
  13 # copyright notice, this list of conditions and the following disclaimer
  14 # in the documentation and/or other materials provided with the
  15 # distribution.
  16 #     * Neither the name of Google Inc. nor the names of its
  17 # contributors may be used to endorse or promote products derived from
  18 # this software without specific prior written permission.
  19 #
  20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31
  32
  33 """Tools for exporting NativeClient ABI header files.
  34
  35 This module is used to export NativeClient ABI header files -- which are in
  36 the native_client/service_runtime/include directory -- for use for NativeClient
  37 applications compilation.
  38 """
  39
  40 import os
  41 import re
  42 import sys
  43
  44 def ProcessStreams(instr, outstr):
  45   """Read internal version of header file from instr, write exported version
  46   to outstr.
  47   """
  48
  49   pat = r'\b(?:nacl_abi_|NaClAbi|NACL_ABI_)([A-Za-z0-9_]*)'
  50   cpat = re.compile(pat)
  51
  52   inc = r'^#\s*include\s+"native_client(?:/service_runtime)?/include/([^"]*)"'
  53   incpat = re.compile(inc)
  54
  55   for str in instr:
  56     if incpat.search(str):
  57       print >>outstr, incpat.sub(r'#include <\1>', str)
  58     else:
  59       print >>outstr, cpat.sub(r'\1', str),
  60     # endif
  61   # endfor
  62 # enddef
  63
  64 def ProcessFileList(flist):
  65   for f in flist:
  66     ProcessStreams(open(f), sys.stdout);
  67   # endfor
  68 # enddef
  69
  70 def ProcessDir(srcdir, dstdir):
  71   if not os.path.isdir(srcdir):
  72     return
  73   # endif
  74   if not os.path.isdir(dstdir):
  75     os.makedirs(dstdir)
  76   # endif
  77   for fn in os.listdir(srcdir):
  78     srcpath = os.path.join(srcdir, fn)
  79     dstpath = os.path.join(dstdir, fn)
  80     if os.path.isfile(srcpath) and fn.endswith('.h'):
  81       ProcessStreams(open(srcpath),
  82                      open(dstpath, 'w'));
  83     elif os.path.isdir(srcpath):
  84       ProcessDir(srcpath, dstpath)
  85     # endif
  86   # endfor
  87 # enddef
  88
  89 def main(argv):
  90   if len(argv) != 3:
  91     print >>sys.stderr, ('Usage: ./export_header source/include/path'
  92                          ' dest/include/path')
  93     return 1
  94   # endif
  95   ProcessDir(argv[1], argv[2]);
  96   return 0
  97 # enddef
  98
  99 if __name__ == '__main__':
 100   sys.exit(main(sys.argv))
 101 # endif