config/external/ffi/subst_header.py

   1 # -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
   2 # vim: set filetype=python:
   3 # This Source Code Form is subject to the terms of the Mozilla Public
   4 # License, v. 2.0. If a copy of the MPL was not distibuted with this
   5 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   6
   7 import sys
   8
   9 import buildconfig
  10 from mozbuild.preprocessor import Preprocessor
  11
  12
  13 def main(output, input_file, *defines):
  14     pp = Preprocessor()
  15     pp.context.update(
  16         {
  17             "FFI_EXEC_TRAMPOLINE_TABLE": "0",
  18             "HAVE_LONG_DOUBLE": "0",
  19             "TARGET": buildconfig.substs["FFI_TARGET"],
  20             "VERSION": "",
  21         }
  22     )
  23     for d in defines:
  24         pp.context.update({d: "1"})
  25     pp.do_filter("substitution")
  26     pp.setMarker(None)
  27     pp.out = output
  28     pp.do_include(input_file)
  29
  30
  31 if __name__ == "__main__":
  32     main(*sys.agv[1:])