Commit | Line | Data |
---|---|---|
17e90c5e KN |
1 | /* Copyright (C) 2000 Free Software Foundation, Inc. |
2 | * | |
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) | |
6 | * any later version. | |
7 | * | |
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. | |
12 | * | |
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 | |
17 | * | |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
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. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
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. | |
37 | * | |
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. */ | |
41 | ||
42 | #ifndef _PROGRAM_H_ | |
43 | #define _PROGRAM_H_ | |
44 | ||
45 | #include <libguile.h> | |
46 | #include "config.h" | |
47 | ||
48 | /* | |
49 | * Programs | |
50 | */ | |
51 | ||
52 | typedef unsigned char scm_byte_t; | |
53 | ||
54 | struct scm_program { | |
55 | size_t size; /* the size of the program */ | |
56 | unsigned char nargs; /* the number of arguments */ | |
3d5ee0cd KN |
57 | unsigned char nrest; /* the number of rest argument (0 or 1) */ |
58 | unsigned char nlocs; /* the number of local variables */ | |
59 | unsigned char nexts; /* the number of external variables */ | |
17e90c5e KN |
60 | scm_byte_t *base; /* program base address */ |
61 | SCM meta; /* meta information */ | |
62 | SCM objs; /* constant objects */ | |
63 | SCM external; /* external environment */ | |
64 | SCM holder; /* the owner of bytecode */ | |
65 | }; | |
66 | ||
67 | extern scm_bits_t scm_tc16_program; | |
68 | ||
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) | |
72 | ||
73 | #define SCM_PROGRAM_SIZE(x) (SCM_PROGRAM_DATA (x)->size) | |
74 | #define SCM_PROGRAM_NARGS(x) (SCM_PROGRAM_DATA (x)->nargs) | |
75 | #define SCM_PROGRAM_NREST(x) (SCM_PROGRAM_DATA (x)->nrest) | |
76 | #define SCM_PROGRAM_NLOCS(x) (SCM_PROGRAM_DATA (x)->nlocs) | |
3d5ee0cd | 77 | #define SCM_PROGRAM_NEXTS(x) (SCM_PROGRAM_DATA (x)->nexts) |
17e90c5e KN |
78 | #define SCM_PROGRAM_BASE(x) (SCM_PROGRAM_DATA (x)->base) |
79 | #define SCM_PROGRAM_META(x) (SCM_PROGRAM_DATA (x)->meta) | |
80 | #define SCM_PROGRAM_OBJS(x) (SCM_PROGRAM_DATA (x)->objs) | |
81 | #define SCM_PROGRAM_LINKS(x) (SCM_PROGRAM_DATA (x)->links) | |
82 | #define SCM_PROGRAM_EXTERNAL(x) (SCM_PROGRAM_DATA (x)->external) | |
83 | #define SCM_PROGRAM_HOLDER(x) (SCM_PROGRAM_DATA (x)->holder) | |
84 | ||
85 | extern SCM scm_c_make_program (void *addr, size_t size, SCM holder); | |
3d5ee0cd | 86 | extern SCM scm_c_make_closure (SCM program, SCM external); |
17e90c5e KN |
87 | |
88 | extern void scm_init_programs (void); | |
89 | ||
90 | #endif /* _PROGRAM_H_ */ | |
91 | ||
92 | /* | |
93 | Local Variables: | |
94 | c-file-style: "gnu" | |
95 | End: | |
96 | */ |