/* classes: h_files */

/* Macros for snarfing initialization actions from C source. */

#ifndef LIBGUILE_SNARF_H
#define LIBGUILE_SNARF_H

/*	Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
 * 
 * This program 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 2, or (at your option)
 * any later version.
 * 
 * This program 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 software; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307 USA
 *
 * As a special exception, the Free Software Foundation gives permission
 * for additional uses of the text contained in its release of GUILE.
 *
 * The exception is that, if you link the GUILE library with other files
 * to produce an executable, this does not by itself cause the
 * resulting executable to be covered by the GNU General Public License.
 * Your use of that executable is in no way restricted on account of
 * linking the GUILE library code into it.
 *
 * This exception does not however invalidate any other reasons why
 * the executable file might be covered by the GNU General Public License.
 *
 * This exception applies only to the code released by the
 * Free Software Foundation under the name GUILE.  If you copy
 * code from other Free Software Foundation releases into a copy of
 * GUILE, as the General Public License permits, the exception does
 * not apply to the code that you add in this way.  To avoid misleading
 * anyone as to the status of such modified files, you must delete
 * this exception notice from them.
 *
 * If you write modifications of your own for GUILE, it is your choice
 * whether to permit this exception to apply to your modifications.
 * If you do not wish that, delete this exception notice.  */


#ifndef SCM_MAGIC_SNARFER
#define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
	static char RANAME[]=STR
#define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
	static char RANAME[]=STR
#else
#ifdef __cplusplus
#if REQ == 0 && OPT == 0 && VAR == 0
#define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
%%%	scm_make_gsubr (RANAME, REQ, OPT, VAR, (SCM (*) (void)) CFN)
#else
#define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
%%%	scm_make_gsubr (RANAME, REQ, OPT, VAR, (SCM (*) (SCM, ...)) CFN)
#endif
#if TYPE == scm_tc7_subr_0
#define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
%%%	scm_make_subr(RANAME, TYPE, (SCM (*)(void)) CFN)
#else
#define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
%%%	scm_make_subr(RANAME, TYPE, (SCM (*)(...)) CFN)
#endif
#else /* __cplusplus */
#define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN)  \
%%%	scm_make_gsubr (RANAME, REQ, OPT, VAR, CFN)
#define SCM_PROC1(RANAME, STR, TYPE, CFN)  \
%%%	scm_make_subr(RANAME, TYPE, CFN)
#endif /* __cplusplus */
#endif

#ifndef SCM_MAGIC_SNARFER
#define SCM_SYMBOL(c_name, scheme_name) \
	static SCM c_name = SCM_BOOL_F
#else
#define SCM_SYMBOL(C_NAME, SCHEME_NAME) \
%%%	C_NAME = scm_permanent_object (SCM_CAR (scm_intern0 (SCHEME_NAME)))
#endif

#ifndef SCM_MAGIC_SNARFER
#define SCM_GLOBAL_SYMBOL(c_name, scheme_name) \
	SCM c_name = SCM_BOOL_F
#else
#define SCM_GLOBAL_SYMBOL(C_NAME, SCHEME_NAME) \
%%%	C_NAME = scm_permanent_object (SCM_CAR (scm_intern0 (SCHEME_NAME)))
#endif


#ifndef SCM_MAGIC_SNARFER
#define SCM_VCELL(c_name, scheme_name) \
	static SCM c_name = SCM_BOOL_F
#else
#define SCM_VCELL(C_NAME, SCHEME_NAME) \
%%%	C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, SCM_BOOL_F)
#endif

#ifndef SCM_MAGIC_SNARFER
#define SCM_GLOBAL_VCELL(c_name, scheme_name) \
	SCM c_name = SCM_BOOL_F
#else
#define SCM_GLOBAL_VCELL(C_NAME, SCHEME_NAME) \
%%%	C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, SCM_BOOL_F)
#endif


#ifndef SCM_MAGIC_SNARFER
#define SCM_CONST_LONG(C_NAME, SCHEME_NAME,VALUE) \
	static SCM C_NAME = SCM_BOOL_F
#else
#define SCM_CONST_LONG(C_NAME, SCHEME_NAME,VALUE) \
%%%	C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, scm_long2num (VALUE))
#endif

#endif /* LIBGUILE_SNARF_H */