tests/shadow.c

   1 /* GNU m4 -- A simple macro processor
   2    Copyright (C) 1999-2000, 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 /*         function     macros  blind   side    minargs maxargs */
  32 #define builtin_functions                       \
  33   BUILTIN (shadow,      false,  false,  false,  0,      -1 )    \
  34   BUILTIN (test,        false,  false,  false,  0,      -1 )    \
  35
  36
  37 #define BUILTIN(handler, macros, blind, side, min, max) M4BUILTIN (handler)
  38   builtin_functions
  39 #undef BUILTIN
  40
  41 static const m4_builtin m4_builtin_table[] =
  42 {
  43 #define BUILTIN(handler, macros, blind, side, min, max)                 \
  44   M4BUILTIN_ENTRY (handler, #handler, macros, blind, side, min, max)
  45
  46   builtin_functions
  47 #undef BUILTIN
  48
  49   { NULL, NULL, 0, 0, 0 },
  50 };
  51
  52 static const m4_macro m4_macro_table[] =
  53 {
  54   /* name               text            min     max */
  55   { "__test__",         "`shadow'",     0,      0 },
  56   { NULL,               NULL,           0,      0 },
  57 };
  58
  59
  60 \f
  61 void
  62 include_shadow (m4 *context, m4_module *module, m4_obstack *obs)
  63 {
  64   const char *s = "Shadow module loaded.";
  65
  66   if (obs)
  67       obstack_grow (obs, s, strlen (s));
  68
  69   m4_install_builtins (context, module, m4_builtin_table);
  70   m4_install_macros   (context, module, m4_macro_table);
  71 }
  72
  73
  74 \f
  75 /**
  76  * shadow()
  77  **/
  78 M4BUILTIN_HANDLER (shadow)
  79 {
  80   const char *s = "Shadow::`shadow' called.";
  81   obstack_grow (obs, s, strlen (s));
  82 }
  83
  84 /**
  85  * test()
  86  **/
  87 M4BUILTIN_HANDLER (test)
  88 {
  89   const char *s = "Shadow::`test' called.";
  90   obstack_grow (obs, s, strlen (s));
  91 }