Commit | Line | Data |
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8f5cfc81 | 1 | /* Copyright (C) 2001 Free Software Foundation, Inc. |
17e90c5e KN |
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 | /* This file is included in vm_engine.c */ | |
43 | ||
3616e9e9 | 44 | VM_DEFINE_LOADER (load_integer, "load-integer") |
17e90c5e KN |
45 | { |
46 | size_t len; | |
ea9b4b29 | 47 | |
17e90c5e | 48 | FETCH_LENGTH (len); |
ea9b4b29 KN |
49 | if (len <= 4) |
50 | { | |
51 | long val = 0; | |
52 | while (len-- > 0) | |
53 | val = (val << 8) + FETCH (); | |
1865ad56 | 54 | SYNC_REGISTER (); |
f41cb00c | 55 | PUSH (scm_from_ulong (val)); |
ea9b4b29 KN |
56 | NEXT; |
57 | } | |
58 | else | |
59 | SCM_MISC_ERROR ("load-integer: not implemented yet", SCM_EOL); | |
17e90c5e KN |
60 | } |
61 | ||
3616e9e9 | 62 | VM_DEFINE_LOADER (load_number, "load-number") |
17e90c5e KN |
63 | { |
64 | size_t len; | |
f9e8c09d | 65 | |
17e90c5e | 66 | FETCH_LENGTH (len); |
1865ad56 | 67 | SYNC_REGISTER (); |
b6368dbb | 68 | PUSH (scm_string_to_number (scm_from_locale_stringn ((char *)ip, len), |
9cc649b8 | 69 | SCM_UNDEFINED /* radix = 10 */)); |
f9e8c09d | 70 | /* Was: scm_istring2number (ip, len, 10)); */ |
17e90c5e KN |
71 | ip += len; |
72 | NEXT; | |
73 | } | |
74 | ||
3616e9e9 | 75 | VM_DEFINE_LOADER (load_string, "load-string") |
17e90c5e KN |
76 | { |
77 | size_t len; | |
78 | FETCH_LENGTH (len); | |
1865ad56 | 79 | SYNC_REGISTER (); |
b6368dbb | 80 | PUSH (scm_from_locale_stringn ((char *)ip, len)); |
f9e8c09d | 81 | /* Was: scm_makfromstr (ip, len, 0) */ |
17e90c5e KN |
82 | ip += len; |
83 | NEXT; | |
84 | } | |
85 | ||
3616e9e9 | 86 | VM_DEFINE_LOADER (load_symbol, "load-symbol") |
a80be762 KN |
87 | { |
88 | size_t len; | |
89 | FETCH_LENGTH (len); | |
1865ad56 | 90 | SYNC_REGISTER (); |
b6368dbb | 91 | PUSH (scm_from_locale_symboln ((char *)ip, len)); |
a80be762 KN |
92 | ip += len; |
93 | NEXT; | |
94 | } | |
95 | ||
3616e9e9 | 96 | VM_DEFINE_LOADER (load_keyword, "load-keyword") |
17e90c5e | 97 | { |
17e90c5e KN |
98 | size_t len; |
99 | FETCH_LENGTH (len); | |
1865ad56 | 100 | SYNC_REGISTER (); |
a52b96a7 | 101 | PUSH (scm_from_locale_keywordn ((char *)ip, len)); |
17e90c5e KN |
102 | ip += len; |
103 | NEXT; | |
104 | } | |
105 | ||
3616e9e9 | 106 | VM_DEFINE_LOADER (load_program, "load-program") |
17e90c5e KN |
107 | { |
108 | size_t len; | |
2fda0242 | 109 | SCM prog, x, objs = SCM_BOOL_F, meta = SCM_BOOL_F; |
ac99cb0c | 110 | struct scm_program *p; |
17e90c5e | 111 | |
ac99cb0c KN |
112 | POP (x); |
113 | ||
114 | /* init meta data */ | |
13906f97 | 115 | if (SCM_PROGRAM_P (x)) |
ac99cb0c | 116 | { |
2fda0242 | 117 | meta = x; |
ac99cb0c KN |
118 | POP (x); |
119 | } | |
120 | ||
206a0622 | 121 | /* init object table */ |
238e7a11 | 122 | if (scm_is_vector (x)) |
206a0622 | 123 | { |
2fda0242 AW |
124 | objs = x; |
125 | scm_c_vector_set_x (objs, 0, scm_current_module ()); | |
126 | scm_c_vector_set_x (objs, 1, meta); | |
ac99cb0c | 127 | POP (x); |
206a0622 KN |
128 | } |
129 | ||
2fda0242 AW |
130 | FETCH_LENGTH (len); |
131 | SYNC_REGISTER (); | |
132 | prog = scm_c_make_program (ip, len, objs, program); | |
133 | p = SCM_PROGRAM_DATA (prog); | |
134 | ip += len; | |
135 | ||
206a0622 | 136 | /* init parameters */ |
4bfb26f5 | 137 | /* NOTE: format defined in system/vm/assemble.scm */ |
2d80426a | 138 | if (SCM_I_INUMP (x)) |
17e90c5e | 139 | { |
5c492620 AW |
140 | scm_t_uint16 s = (scm_t_uint16)SCM_I_INUM (x); |
141 | /* 16-bit representation */ | |
142 | p->nargs = (s >> 12) & 0x0f; /* 15-12 bits */ | |
143 | p->nrest = (s >> 11) & 0x01; /* 11 bit */ | |
144 | p->nlocs = (s >> 4) & 0x7f; /* 10-04 bits */ | |
145 | p->nexts = s & 0x0f; /* 03-00 bits */ | |
17e90c5e KN |
146 | } |
147 | else | |
148 | { | |
3d5ee0cd | 149 | /* Other cases */ |
d79d908e | 150 | /* x is #f, and already popped off */ |
11ea1aba AW |
151 | POP (x); p->nexts = scm_to_unsigned_integer (x, 0, 255); |
152 | POP (x); p->nlocs = scm_to_unsigned_integer (x, 0, 255); | |
153 | POP (x); p->nrest = scm_to_unsigned_integer (x, 0, 1); | |
154 | POP (x); p->nargs = scm_to_unsigned_integer (x, 0, 255); | |
17e90c5e KN |
155 | } |
156 | ||
ac99cb0c | 157 | PUSH (prog); |
17e90c5e KN |
158 | NEXT; |
159 | } | |
160 | ||
9246a486 | 161 | VM_DEFINE_INSTRUCTION (link_now, "link-now", 0, 1, 1) |
17e90c5e | 162 | { |
fd358575 AW |
163 | SCM what; |
164 | POP (what); | |
1865ad56 | 165 | SYNC_REGISTER (); |
fd358575 AW |
166 | if (SCM_LIKELY (SCM_SYMBOLP (what))) |
167 | { | |
168 | PUSH (scm_lookup (what)); /* might longjmp */ | |
169 | } | |
170 | else | |
171 | { | |
172 | SCM mod; | |
173 | /* compilation of @ or @@ | |
174 | `what' is a three-element list: (MODNAME SYM INTERFACE?) | |
175 | INTERFACE? is #t if we compiled @ or #f if we compiled @@ | |
176 | */ | |
177 | mod = scm_resolve_module (SCM_CAR (what)); | |
178 | if (scm_is_true (SCM_CADDR (what))) | |
179 | mod = scm_module_public_interface (mod); | |
180 | if (SCM_FALSEP (mod)) | |
181 | { | |
182 | err_args = SCM_LIST1 (SCM_CAR (what)); | |
183 | goto vm_error_no_such_module; | |
184 | } | |
185 | /* might longjmp */ | |
186 | PUSH (scm_module_lookup (mod, SCM_CADR (what))); | |
187 | } | |
188 | ||
6297d229 AW |
189 | NEXT; |
190 | } | |
191 | ||
cd9d95d7 AW |
192 | VM_DEFINE_LOADER (define, "define") |
193 | { | |
194 | SCM sym; | |
195 | size_t len; | |
196 | ||
197 | FETCH_LENGTH (len); | |
1865ad56 | 198 | SYNC_REGISTER (); |
cd9d95d7 AW |
199 | sym = scm_from_locale_symboln ((char *)ip, len); |
200 | ip += len; | |
201 | ||
1865ad56 | 202 | SYNC_REGISTER (); |
cd9d95d7 AW |
203 | PUSH (scm_sym2var (sym, scm_current_module_lookup_closure (), SCM_BOOL_T)); |
204 | NEXT; | |
fdcedea6 KN |
205 | } |
206 | ||
17e90c5e KN |
207 | /* |
208 | Local Variables: | |
209 | c-file-style: "gnu" | |
210 | End: | |
211 | */ |