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8f5cfc81 | 1 | /* Copyright (C) 2001 Free Software Foundation, Inc. |
560b9c25 AW |
2 | * * |
3 | * This library is free software; you can redistribute it and/or | |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
8f5cfc81 | 7 | * |
560b9c25 | 8 | * This library is distributed in the hope that it will be useful, |
8f5cfc81 | 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
11 | * Lesser General Public License for more details. | |
8f5cfc81 | 12 | * |
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13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
8f5cfc81 KN |
17 | |
18 | #ifndef _SCM_OBJCODES_H_ | |
19 | #define _SCM_OBJCODES_H_ | |
20 | ||
21 | #include <libguile.h> | |
8f5cfc81 | 22 | |
53e28ed9 | 23 | /* objcode data should be directly mappable to this C structure. */ |
8f5cfc81 | 24 | struct scm_objcode { |
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25 | scm_t_uint8 nargs; |
26 | scm_t_uint8 nrest; | |
27 | scm_t_uint8 nlocs; | |
28 | scm_t_uint8 nexts; | |
29 | scm_t_uint32 len; /* the maximum index of base[] */ | |
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30 | scm_t_uint32 metalen; /* well, i lie. this many bytes at the end of |
31 | base[] for metadata */ | |
53e28ed9 | 32 | scm_t_uint8 base[0]; |
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33 | }; |
34 | ||
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35 | #define SCM_F_OBJCODE_IS_MMAP (1<<0) |
36 | #define SCM_F_OBJCODE_IS_U8VECTOR (1<<1) | |
37 | #define SCM_F_OBJCODE_IS_SLICE (1<<2) | |
38 | ||
560b9c25 | 39 | SCM_API scm_t_bits scm_tc16_objcode; |
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40 | |
41 | #define SCM_OBJCODE_P(x) (SCM_SMOB_PREDICATE (scm_tc16_objcode, x)) | |
42 | #define SCM_OBJCODE_DATA(x) ((struct scm_objcode *) SCM_SMOB_DATA (x)) | |
43 | #define SCM_VALIDATE_OBJCODE(p,x) SCM_MAKE_VALIDATE (p, x, OBJCODE_P) | |
44 | ||
53e28ed9 | 45 | #define SCM_OBJCODE_LEN(x) (SCM_OBJCODE_DATA (x)->len) |
9aeaabdc AW |
46 | #define SCM_OBJCODE_META_LEN(x) (SCM_OBJCODE_DATA (x)->metalen) |
47 | #define SCM_OBJCODE_TOTAL_LEN(x) (SCM_OBJCODE_LEN (x) + SCM_OBJCODE_META_LEN (x)) | |
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48 | #define SCM_OBJCODE_NARGS(x) (SCM_OBJCODE_DATA (x)->nargs) |
49 | #define SCM_OBJCODE_NREST(x) (SCM_OBJCODE_DATA (x)->nrest) | |
50 | #define SCM_OBJCODE_NLOCS(x) (SCM_OBJCODE_DATA (x)->nlocs) | |
51 | #define SCM_OBJCODE_NEXTS(x) (SCM_OBJCODE_DATA (x)->nexts) | |
8f5cfc81 | 52 | #define SCM_OBJCODE_BASE(x) (SCM_OBJCODE_DATA (x)->base) |
8f5cfc81 | 53 | |
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54 | #define SCM_OBJCODE_IS_MMAP(x) (SCM_SMOB_FLAGS (x) & SCM_F_OBJCODE_IS_MMAP) |
55 | #define SCM_OBJCODE_IS_U8VECTOR(x) (SCM_SMOB_FLAGS (x) & SCM_F_OBJCODE_IS_U8VECTOR) | |
56 | #define SCM_OBJCODE_IS_SLICE(x) (SCM_SMOB_FLAGS (x) & SCM_F_OBJCODE_IS_SLICE) | |
57 | ||
58 | SCM scm_c_make_objcode_slice (SCM parent, scm_t_uint8 *ptr); | |
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59 | SCM_API SCM scm_load_objcode (SCM file); |
60 | SCM_API SCM scm_objcode_p (SCM obj); | |
61 | SCM_API SCM scm_objcode_meta (SCM objcode); | |
62 | SCM_API SCM scm_bytecode_to_objcode (SCM bytecode); | |
63 | SCM_API SCM scm_objcode_to_bytecode (SCM objcode); | |
64 | SCM_API SCM scm_write_objcode (SCM objcode, SCM port); | |
07e56b27 | 65 | |
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66 | SCM_INTERNAL void scm_bootstrap_objcodes (void); |
67 | SCM_INTERNAL void scm_init_objcodes (void); | |
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68 | |
69 | #endif /* _SCM_OBJCODES_H_ */ | |
70 | ||
71 | /* | |
72 | Local Variables: | |
73 | c-file-style: "gnu" | |
74 | End: | |
75 | */ |