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/* GNU m4 -- A simple macro processor
   Copyright (C) 2003, 2006, 2007, 2008 Free Software Foundation, Inc.

   This file is part of GNU M4.

   GNU M4 is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   GNU M4 is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <config.h>

/* Build using only the exported interfaces, unless NDEBUG is set, in
   which case use private symbols to speed things up as much as possible.  */
#ifndef NDEBUG
#  include <m4/m4module.h>
#else
#  include "m4private.h"
#endif

/* Rename exported symbols for dlpreload()ing.  */
#define m4_builtin_table	import_LTX_m4_builtin_table

/*	   function	macros	blind	side	minargs	maxargs */
#define builtin_functions					\
  BUILTIN (import,	false,	false,	false,	0,	1)	\
  BUILTIN (symbol_fail,	false,	false,	false,	0,	1)	\
  BUILTIN (module_fail,	false,	false,	false,	0,	1)	\

#define BUILTIN(handler, macros, blind, side, min, max) M4BUILTIN (handler)
  builtin_functions
#undef BUILTIN

const m4_builtin m4_builtin_table[] =
{
#define BUILTIN(handler, macros, blind, side, min, max)			\
  M4BUILTIN_ENTRY (handler, #handler, macros, blind, side, min, max)

  builtin_functions
#undef BUILTIN

  { NULL, NULL, 0, 0, 0 },
};



typedef bool export_test_func (const char *);
typedef bool no_such_func (const char *);

/**
 * import()
 **/
M4BUILTIN_HANDLER (import)
{
  M4_MODULE_IMPORT (modtest, export_test);

  const char *s = "`import'::`import' called.";

  assert (obs != 0);
  obstack_grow (obs, s, strlen(s));

  if (export_test && export_test (M4ARG (1)))
    fputs ("TRUE\n", stderr);
}

/**
 * symbol_fail()
 **/
M4BUILTIN_HANDLER (symbol_fail)
{
  M4_MODULE_IMPORT (modtest, no_such);

  const char *s = "`import'::`symbol_fail' called.";

  assert (obs != 0);
  obstack_grow (obs, s, strlen(s));

  if (no_such && no_such (M4ARG (1)))
    fputs ("TRUE\n", stderr);
}

/**
 * module_fail()
 **/
M4BUILTIN_HANDLER (module_fail)
{
  M4_MODULE_IMPORT (no_such, no_such);

  const char *s = "`import'::`module_fail' called.";

  assert (obs != 0);
  obstack_grow (obs, s, strlen(s));

  if (no_such && no_such (M4ARG (1)))
    fputs ("TRUE\n", stderr);
}