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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 | #include <string.h> | |
43 | #include "instructions.h" | |
44 | ||
45 | struct scm_instruction scm_instruction_table[] = { | |
46 | #define VM_INSTRUCTION_TO_TABLE 1 | |
47 | #include "vm_expand.h" | |
48 | #include "vm_system.i" | |
49 | #include "vm_scheme.i" | |
50 | #include "vm_number.i" | |
51 | #include "vm_loader.i" | |
52 | #undef VM_INSTRUCTION_TO_TABLE | |
53 | {scm_op_last} | |
54 | }; | |
55 | ||
56 | /* C interface */ | |
57 | ||
58 | struct scm_instruction * | |
59 | scm_lookup_instruction (SCM name) | |
60 | { | |
61 | struct scm_instruction *ip; | |
62 | if (SCM_SYMBOLP (name)) | |
63 | for (ip = scm_instruction_table; ip->opcode != scm_op_last; ip++) | |
64 | if (strcmp (ip->name, SCM_SYMBOL_CHARS (name)) == 0) | |
65 | return ip; | |
66 | return 0; | |
67 | } | |
68 | ||
69 | /* Scheme interface */ | |
70 | ||
71 | SCM_DEFINE (scm_instruction_list, "instruction-list", 0, 0, 0, | |
72 | (void), | |
73 | "") | |
74 | #define FUNC_NAME s_scm_instruction_list | |
75 | { | |
76 | SCM list = SCM_EOL; | |
77 | struct scm_instruction *ip; | |
78 | for (ip = scm_instruction_table; ip->opcode != scm_op_last; ip++) | |
79 | list = scm_cons (scm_str2symbol (ip->name), list); | |
80 | return scm_reverse_x (list, SCM_EOL); | |
81 | } | |
82 | #undef FUNC_NAME | |
83 | ||
84 | SCM_DEFINE (scm_instruction_p, "instruction?", 1, 0, 0, | |
85 | (SCM obj), | |
86 | "") | |
87 | #define FUNC_NAME s_scm_instruction_p | |
88 | { | |
89 | return SCM_BOOL (SCM_INSTRUCTION_P (obj)); | |
90 | } | |
91 | #undef FUNC_NAME | |
92 | ||
93 | SCM_DEFINE (scm_instruction_length, "instruction-length", 1, 0, 0, | |
94 | (SCM inst), | |
95 | "") | |
96 | #define FUNC_NAME s_scm_instruction_length | |
97 | { | |
98 | SCM_VALIDATE_INSTRUCTION (1, inst); | |
99 | return SCM_MAKINUM (SCM_INSTRUCTION_LEN (inst)); | |
100 | } | |
101 | #undef FUNC_NAME | |
102 | ||
103 | SCM_DEFINE (scm_instruction_to_opcode, "instruction->opcode", 1, 0, 0, | |
104 | (SCM inst), | |
105 | "") | |
106 | #define FUNC_NAME s_scm_instruction_to_opcode | |
107 | { | |
108 | SCM_VALIDATE_INSTRUCTION (1, inst); | |
109 | return SCM_MAKINUM (SCM_INSTRUCTION_OPCODE (inst)); | |
110 | } | |
111 | #undef FUNC_NAME | |
112 | ||
113 | SCM_DEFINE (scm_opcode_to_instruction, "opcode->instruction", 1, 0, 0, | |
114 | (SCM op), | |
115 | "") | |
116 | #define FUNC_NAME s_scm_opcode_to_instruction | |
117 | { | |
118 | int i; | |
119 | SCM_VALIDATE_INUM (1, op); | |
120 | i = SCM_INUM (op); | |
121 | SCM_ASSERT_RANGE (1, op, 0 <= i && i < scm_op_last); | |
122 | return scm_str2symbol (scm_instruction_table[i].name); | |
123 | } | |
124 | #undef FUNC_NAME | |
125 | ||
126 | void | |
127 | scm_init_instructions (void) | |
128 | { | |
129 | #ifndef SCM_MAGIC_SNARFER | |
130 | #include "instructions.x" | |
131 | #endif | |
132 | } | |
133 | ||
134 | /* | |
135 | Local Variables: | |
136 | c-file-style: "gnu" | |
137 | End: | |
138 | */ |