1 /* Copyright (C) 2001 Free Software Foundation, Inc.
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2, or (at your option)
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this software; see the file COPYING. If not, write to
15 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
16 * Boston, MA 02111-1307 USA
18 * As a special exception, the Free Software Foundation gives permission
19 * for additional uses of the text contained in its release of GUILE.
21 * The exception is that, if you link the GUILE library with other files
22 * to produce an executable, this does not by itself cause the
23 * resulting executable to be covered by the GNU General Public License.
24 * Your use of that executable is in no way restricted on account of
25 * linking the GUILE library code into it.
27 * This exception does not however invalidate any other reasons why
28 * the executable file might be covered by the GNU General Public License.
30 * This exception applies only to the code released by the
31 * Free Software Foundation under the name GUILE. If you copy
32 * code from other Free Software Foundation releases into a copy of
33 * GUILE, as the General Public License permits, the exception does
34 * not apply to the code that you add in this way. To avoid misleading
35 * anyone as to the status of such modified files, you must delete
36 * this exception notice from them.
38 * If you write modifications of your own for GUILE, it is your choice
39 * whether to permit this exception to apply to your modifications.
40 * If you do not wish that, delete this exception notice. */
42 #ifndef _SCM_PROGRAMS_H_
43 #define _SCM_PROGRAMS_H_
51 typedef unsigned char scm_byte_t
;
54 size_t size
; /* the size of the program */
55 unsigned char nargs
; /* the number of arguments */
56 unsigned char nrest
; /* the number of rest argument (0 or 1) */
57 unsigned char nlocs
; /* the number of local variables */
58 unsigned char nexts
; /* the number of external variables */
59 scm_byte_t
*base
; /* program base address */
60 SCM module
; /* resolve bindings with respect to this module */
61 SCM meta
; /* meta data */
62 SCM objs
; /* constant objects */
63 SCM external
; /* external environment */
64 SCM holder
; /* the owner of bytecode */
67 extern scm_t_bits scm_tc16_program
;
69 #define SCM_PROGRAM_P(x) (SCM_SMOB_PREDICATE (scm_tc16_program, x))
70 #define SCM_PROGRAM_DATA(x) ((struct scm_program *) SCM_SMOB_DATA (x))
71 #define SCM_VALIDATE_PROGRAM(p,x) SCM_MAKE_VALIDATE (p, x, PROGRAM_P)
73 extern SCM
scm_c_make_program (void *addr
, size_t size
, SCM holder
);
74 extern SCM
scm_c_make_closure (SCM program
, SCM external
);
76 extern SCM
scm_program_p (SCM obj
);
77 extern SCM
scm_program_base (SCM program
);
78 extern SCM
scm_program_arity (SCM program
);
79 extern SCM
scm_program_meta (SCM program
);
80 extern SCM
scm_program_objects (SCM program
);
81 extern SCM
scm_program_module (SCM program
);
82 extern SCM
scm_program_external (SCM program
);
83 extern SCM
scm_program_external_set_x (SCM program
, SCM external
);
84 extern SCM
scm_program_bytecode (SCM program
);
86 extern SCM
scm_c_program_source (struct scm_program
*p
, size_t ip
);
88 extern void scm_bootstrap_programs (void);
89 extern void scm_init_programs (void);
91 #endif /* _SCM_PROGRAMS_H_ */