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/* Copyright (C) 2001 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_PROGRAMS_H_
#define _SCM_PROGRAMS_H_
#include <libguile.h>
/*
* Programs
*/
typedef unsigned char scm_byte_t;
struct scm_program {
size_t size; /* the size of the program */
unsigned char nargs; /* the number of arguments */
unsigned char nrest; /* the number of rest argument (0 or 1) */
unsigned char nlocs; /* the number of local variables */
unsigned char nexts; /* the number of external variables */
scm_byte_t *base; /* program base address */
SCM meta; /* meta data */
SCM objs; /* constant objects */
SCM external; /* external environment */
SCM holder; /* the owner of bytecode */
};
extern scm_t_bits scm_tc16_program;
#define SCM_PROGRAM_P(x) (SCM_SMOB_PREDICATE (scm_tc16_program, x))
#define SCM_PROGRAM_DATA(x) ((struct scm_program *) SCM_SMOB_DATA (x))
#define SCM_VALIDATE_PROGRAM(p,x) SCM_MAKE_VALIDATE (p, x, PROGRAM_P)
extern SCM scm_c_make_program (void *addr, size_t size, SCM holder);
extern SCM scm_c_make_closure (SCM program, SCM external);
extern void scm_init_programs (void);
#endif /* _SCM_PROGRAMS_H_ */
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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