modules/traditional.c

   1 /* GNU m4 -- A simple macro processor
   2    Copyright (C) 2000, 2006-2008, 2010, 2013-2014 Free Software
   3    Foundation, Inc.
   4
   5    This file is part of GNU M4.
   6
   7    GNU M4 is free software: you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation, either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    GNU M4 is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include <config.h>
  22
  23 /* Build using only the exported interfaces, unless NDEBUG is set, in
  24    which case use private symbols to speed things up as much as possible.  */
  25 #ifndef NDEBUG
  26 #  include <m4/m4module.h>
  27 #else
  28 #  include "m4private.h"
  29 #endif
  30
  31 /* A table for mapping m4 symbol names to simple expansion text. */
  32 static const m4_macro m4_macro_table[] =
  33 {
  34   /* name               text    min     max */
  35 #if UNIX
  36   { "unix",             "",     0,      0 },
  37 #elif W32_NATIVE
  38   { "windows",          "",     0,      0 },
  39 #elif OS2
  40   { "os2",              "",     0,      0 },
  41 #else
  42 # warning Platform macro not provided
  43 #endif
  44   { "__traditional__",  "",     0,      0 },
  45   { NULL,               NULL,   0,      0 },
  46 };
  47
  48 void
  49 include_traditional (m4 *context, m4_module *module, m4_obstack *obs)
  50 {
  51   m4_install_macros (context, module, m4_macro_table);
  52 }