Commit | Line | Data |
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510ca126 | 1 | /* Copyright (C) 2001, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc. |
17e90c5e | 2 | * |
560b9c25 | 3 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
4 | * modify it under the terms of the GNU Lesser General Public License |
5 | * as published by the Free Software Foundation; either version 3 of | |
6 | * the License, or (at your option) any later version. | |
17e90c5e | 7 | * |
53befeb7 NJ |
8 | * This library is distributed in the hope that it will be useful, but |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
560b9c25 AW |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
11 | * Lesser General Public License for more details. | |
17e90c5e | 12 | * |
560b9c25 AW |
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 | |
53befeb7 NJ |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
16 | * 02110-1301 USA | |
560b9c25 | 17 | */ |
17e90c5e | 18 | |
13c47753 AW |
19 | #if HAVE_CONFIG_H |
20 | # include <config.h> | |
21 | #endif | |
22 | ||
17e90c5e | 23 | #include <string.h> |
560b9c25 | 24 | #include "_scm.h" |
17e90c5e | 25 | #include "instructions.h" |
8e367074 | 26 | #include "modules.h" |
17e90c5e | 27 | #include "programs.h" |
6f6f0dac LC |
28 | #include "procprop.h" /* scm_sym_name */ |
29 | #include "srcprop.h" /* scm_sym_filename */ | |
17e90c5e KN |
30 | #include "vm.h" |
31 | ||
32 | \f | |
e6fea618 | 33 | static SCM write_program = SCM_BOOL_F; |
17e90c5e | 34 | |
53e28ed9 | 35 | SCM_DEFINE (scm_make_program, "make-program", 1, 2, 0, |
57ab0671 | 36 | (SCM objcode, SCM objtable, SCM free_variables), |
53e28ed9 AW |
37 | "") |
38 | #define FUNC_NAME s_scm_make_program | |
17e90c5e | 39 | { |
53e28ed9 AW |
40 | SCM_VALIDATE_OBJCODE (1, objcode); |
41 | if (SCM_UNLIKELY (SCM_UNBNDP (objtable))) | |
42 | objtable = SCM_BOOL_F; | |
43 | else if (scm_is_true (objtable)) | |
44 | SCM_VALIDATE_VECTOR (2, objtable); | |
20d47c39 | 45 | |
6f16379e AW |
46 | if (SCM_UNBNDP (free_variables) || scm_is_false (free_variables)) |
47 | { | |
48 | SCM ret = scm_words (scm_tc7_program, 3); | |
49 | SCM_SET_CELL_OBJECT_1 (ret, objcode); | |
50 | SCM_SET_CELL_OBJECT_2 (ret, objtable); | |
51 | return ret; | |
52 | } | |
53 | else | |
54 | { | |
55 | size_t i, len; | |
56 | SCM ret; | |
57 | SCM_VALIDATE_VECTOR (3, free_variables); | |
58 | len = scm_c_vector_length (free_variables); | |
59 | if (SCM_UNLIKELY (len >> 16)) | |
60 | SCM_OUT_OF_RANGE (3, free_variables); | |
61 | ret = scm_words (scm_tc7_program | (len<<16), 3 + len); | |
62 | SCM_SET_CELL_OBJECT_1 (ret, objcode); | |
63 | SCM_SET_CELL_OBJECT_2 (ret, objtable); | |
64 | for (i = 0; i < len; i++) | |
65 | SCM_SET_CELL_OBJECT (ret, 3+i, | |
66 | SCM_SIMPLE_VECTOR_REF (free_variables, i)); | |
67 | return ret; | |
68 | } | |
17e90c5e KN |
69 | } |
70 | #undef FUNC_NAME | |
71 | ||
510ca126 AW |
72 | SCM_DEFINE (scm_make_rtl_program, "make-rtl-program", 1, 2, 0, |
73 | (SCM bytevector, SCM byte_offset, SCM free_variables), | |
74 | "") | |
75 | #define FUNC_NAME s_scm_make_rtl_program | |
76 | { | |
77 | scm_t_uint8 *code; | |
78 | scm_t_uint32 offset; | |
79 | ||
80 | if (!scm_is_bytevector (bytevector)) | |
81 | scm_wrong_type_arg (FUNC_NAME, 1, bytevector); | |
82 | if (SCM_UNBNDP (byte_offset)) | |
83 | offset = 0; | |
84 | else | |
85 | { | |
86 | offset = scm_to_uint32 (byte_offset); | |
87 | if (offset > SCM_BYTEVECTOR_LENGTH (bytevector)) | |
88 | SCM_OUT_OF_RANGE (2, byte_offset); | |
89 | } | |
90 | ||
91 | code = (scm_t_uint8*) SCM_BYTEVECTOR_CONTENTS (bytevector) + offset; | |
92 | if (((scm_t_uintptr) code) % 4) | |
93 | SCM_OUT_OF_RANGE (2, byte_offset); | |
94 | ||
95 | if (SCM_UNBNDP (free_variables) || scm_is_false (free_variables)) | |
96 | return scm_cell (scm_tc7_rtl_program, (scm_t_bits) code); | |
97 | else | |
98 | abort (); | |
99 | } | |
100 | #undef FUNC_NAME | |
101 | ||
102 | SCM_DEFINE (scm_rtl_program_code, "rtl-program-code", 1, 0, 0, | |
103 | (SCM program), | |
104 | "") | |
105 | #define FUNC_NAME s_scm_rtl_program_code | |
106 | { | |
107 | SCM_VALIDATE_RTL_PROGRAM (1, program); | |
108 | ||
109 | /* FIXME: we need scm_from_uintptr (). */ | |
110 | return scm_from_size_t ((size_t) SCM_RTL_PROGRAM_CODE (program)); | |
111 | } | |
112 | #undef FUNC_NAME | |
113 | ||
e65f80af AW |
114 | SCM |
115 | scm_i_rtl_program_name (SCM program) | |
510ca126 | 116 | { |
e65f80af AW |
117 | static SCM rtl_program_name = SCM_BOOL_F; |
118 | ||
119 | if (scm_is_false (rtl_program_name) && scm_module_system_booted_p) | |
120 | rtl_program_name = | |
121 | scm_c_private_variable ("system vm program", "rtl-program-name"); | |
122 | ||
123 | return scm_call_1 (scm_variable_ref (rtl_program_name), program); | |
510ca126 AW |
124 | } |
125 | ||
bf8328ec AW |
126 | SCM |
127 | scm_i_rtl_program_documentation (SCM program) | |
128 | { | |
129 | static SCM rtl_program_documentation = SCM_BOOL_F; | |
130 | ||
131 | if (scm_is_false (rtl_program_documentation) && scm_module_system_booted_p) | |
132 | rtl_program_documentation = | |
133 | scm_c_private_variable ("system vm program", | |
134 | "rtl-program-documentation"); | |
135 | ||
136 | return scm_call_1 (scm_variable_ref (rtl_program_documentation), program); | |
137 | } | |
138 | ||
2fb924f6 AW |
139 | void |
140 | scm_i_program_print (SCM program, SCM port, scm_print_state *pstate) | |
e6fea618 | 141 | { |
0ba8bb71 AW |
142 | static int print_error = 0; |
143 | ||
5c8cefe5 | 144 | if (scm_is_false (write_program) && scm_module_system_booted_p) |
eb2bc00f AW |
145 | write_program = scm_c_private_variable ("system vm program", |
146 | "write-program"); | |
e6fea618 | 147 | |
1d1cae0e AW |
148 | if (SCM_PROGRAM_IS_CONTINUATION (program)) |
149 | { | |
150 | /* twingliness */ | |
0607ebbf | 151 | scm_puts_unlocked ("#<continuation ", port); |
76e38162 | 152 | scm_uintprint (SCM_UNPACK (program), 16, port); |
0607ebbf | 153 | scm_putc_unlocked ('>', port); |
1d1cae0e | 154 | } |
5c606217 | 155 | else if (SCM_PROGRAM_IS_PARTIAL_CONTINUATION (program)) |
2150e9a8 AW |
156 | { |
157 | /* twingliness */ | |
0607ebbf | 158 | scm_puts_unlocked ("#<partial-continuation ", port); |
2150e9a8 | 159 | scm_uintprint (SCM_UNPACK (program), 16, port); |
0607ebbf | 160 | scm_putc_unlocked ('>', port); |
2150e9a8 | 161 | } |
1d1cae0e | 162 | else if (scm_is_false (write_program) || print_error) |
2fb924f6 | 163 | { |
e65f80af AW |
164 | if (SCM_RTL_PROGRAM_P (program)) |
165 | { | |
166 | scm_puts_unlocked ("#<rtl-program ", port); | |
167 | scm_uintprint (SCM_UNPACK (program), 16, port); | |
168 | scm_putc_unlocked (' ', port); | |
169 | scm_uintprint ((scm_t_uintptr) SCM_RTL_PROGRAM_CODE (program), 16, port); | |
170 | scm_putc_unlocked ('>', port); | |
171 | } | |
172 | else | |
173 | { | |
174 | scm_puts_unlocked ("#<program ", port); | |
175 | scm_uintprint (SCM_UNPACK (program), 16, port); | |
176 | scm_putc_unlocked ('>', port); | |
177 | } | |
2fb924f6 AW |
178 | } |
179 | else | |
180 | { | |
181 | print_error = 1; | |
182 | scm_call_2 (SCM_VARIABLE_REF (write_program), program, port); | |
183 | print_error = 0; | |
184 | } | |
e6fea618 AW |
185 | } |
186 | ||
17e90c5e KN |
187 | \f |
188 | /* | |
189 | * Scheme interface | |
190 | */ | |
191 | ||
192 | SCM_DEFINE (scm_program_p, "program?", 1, 0, 0, | |
193 | (SCM obj), | |
194 | "") | |
195 | #define FUNC_NAME s_scm_program_p | |
196 | { | |
5c8cefe5 | 197 | return scm_from_bool (SCM_PROGRAM_P (obj)); |
17e90c5e KN |
198 | } |
199 | #undef FUNC_NAME | |
200 | ||
510ca126 AW |
201 | SCM_DEFINE (scm_rtl_program_p, "rtl-program?", 1, 0, 0, |
202 | (SCM obj), | |
203 | "") | |
204 | #define FUNC_NAME s_scm_rtl_program_p | |
205 | { | |
206 | return scm_from_bool (SCM_RTL_PROGRAM_P (obj)); | |
207 | } | |
208 | #undef FUNC_NAME | |
209 | ||
ac99cb0c KN |
210 | SCM_DEFINE (scm_program_base, "program-base", 1, 0, 0, |
211 | (SCM program), | |
212 | "") | |
213 | #define FUNC_NAME s_scm_program_base | |
214 | { | |
3dbbe28d LC |
215 | const struct scm_objcode *c_objcode; |
216 | ||
ac99cb0c KN |
217 | SCM_VALIDATE_PROGRAM (1, program); |
218 | ||
3dbbe28d | 219 | c_objcode = SCM_PROGRAM_DATA (program); |
3d27ef4b | 220 | return scm_from_unsigned_integer ((scm_t_bits) SCM_C_OBJCODE_BASE (c_objcode)); |
ac99cb0c KN |
221 | } |
222 | #undef FUNC_NAME | |
223 | ||
53e28ed9 AW |
224 | SCM_DEFINE (scm_program_objects, "program-objects", 1, 0, 0, |
225 | (SCM program), | |
226 | "") | |
227 | #define FUNC_NAME s_scm_program_objects | |
228 | { | |
229 | SCM_VALIDATE_PROGRAM (1, program); | |
230 | return SCM_PROGRAM_OBJTABLE (program); | |
231 | } | |
232 | #undef FUNC_NAME | |
233 | ||
234 | SCM_DEFINE (scm_program_module, "program-module", 1, 0, 0, | |
235 | (SCM program), | |
236 | "") | |
237 | #define FUNC_NAME s_scm_program_module | |
238 | { | |
7884975a | 239 | SCM objs, mod; |
53e28ed9 AW |
240 | SCM_VALIDATE_PROGRAM (1, program); |
241 | objs = SCM_PROGRAM_OBJTABLE (program); | |
7884975a AW |
242 | /* If a program is the result of compiling GLIL to assembly, then if |
243 | it has an objtable, the first entry will be a module. But some | |
244 | programs are hand-coded trampolines, like boot programs and | |
245 | primitives and the like. So if a program happens to have a | |
246 | non-module in the first slot of the objtable, assume that it is | |
247 | such a trampoline, and just return #f for the module. */ | |
248 | mod = scm_is_true (objs) ? scm_c_vector_ref (objs, 0) : SCM_BOOL_F; | |
249 | return SCM_MODULEP (mod) ? mod : SCM_BOOL_F; | |
53e28ed9 AW |
250 | } |
251 | #undef FUNC_NAME | |
252 | ||
ac99cb0c KN |
253 | SCM_DEFINE (scm_program_meta, "program-meta", 1, 0, 0, |
254 | (SCM program), | |
255 | "") | |
256 | #define FUNC_NAME s_scm_program_meta | |
17e90c5e | 257 | { |
ac47d5f6 AW |
258 | SCM metaobj; |
259 | ||
17e90c5e | 260 | SCM_VALIDATE_PROGRAM (1, program); |
ac47d5f6 AW |
261 | |
262 | metaobj = scm_objcode_meta (SCM_PROGRAM_OBJCODE (program)); | |
263 | if (scm_is_true (metaobj)) | |
31a26df2 AW |
264 | return scm_make_program (metaobj, SCM_PROGRAM_OBJTABLE (program), |
265 | SCM_BOOL_F); | |
ac47d5f6 AW |
266 | else |
267 | return SCM_BOOL_F; | |
17e90c5e KN |
268 | } |
269 | #undef FUNC_NAME | |
270 | ||
e311f5fa AW |
271 | SCM_DEFINE (scm_program_bindings, "program-bindings", 1, 0, 0, |
272 | (SCM program), | |
273 | "") | |
274 | #define FUNC_NAME s_scm_program_bindings | |
9a9f6487 | 275 | { |
e311f5fa AW |
276 | SCM meta; |
277 | ||
278 | SCM_VALIDATE_PROGRAM (1, program); | |
9a9f6487 | 279 | |
53e28ed9 | 280 | meta = scm_program_meta (program); |
2fda0242 | 281 | if (scm_is_false (meta)) |
9a9f6487 | 282 | return SCM_BOOL_F; |
e311f5fa AW |
283 | |
284 | return scm_car (scm_call_0 (meta)); | |
285 | } | |
286 | #undef FUNC_NAME | |
287 | ||
288 | SCM_DEFINE (scm_program_sources, "program-sources", 1, 0, 0, | |
289 | (SCM program), | |
290 | "") | |
291 | #define FUNC_NAME s_scm_program_sources | |
292 | { | |
028e3d06 | 293 | SCM meta, sources, ret, filename; |
e311f5fa AW |
294 | |
295 | SCM_VALIDATE_PROGRAM (1, program); | |
296 | ||
297 | meta = scm_program_meta (program); | |
9a9f6487 | 298 | if (scm_is_false (meta)) |
e311f5fa AW |
299 | return SCM_EOL; |
300 | ||
028e3d06 AW |
301 | filename = SCM_BOOL_F; |
302 | ret = SCM_EOL; | |
303 | for (sources = scm_cadr (scm_call_0 (meta)); !scm_is_null (sources); | |
304 | sources = scm_cdr (sources)) | |
305 | { | |
306 | SCM x = scm_car (sources); | |
307 | if (scm_is_pair (x)) | |
308 | { | |
309 | if (scm_is_number (scm_car (x))) | |
310 | { | |
311 | SCM addr = scm_car (x); | |
312 | ret = scm_acons (addr, scm_cons (filename, scm_cdr (x)), | |
313 | ret); | |
314 | } | |
315 | else if (scm_is_eq (scm_car (x), scm_sym_filename)) | |
316 | filename = scm_cdr (x); | |
317 | } | |
318 | } | |
319 | return scm_reverse_x (ret, SCM_UNDEFINED); | |
e311f5fa AW |
320 | } |
321 | #undef FUNC_NAME | |
322 | ||
6c6a4439 AW |
323 | SCM_DEFINE (scm_program_arities, "program-arities", 1, 0, 0, |
324 | (SCM program), | |
325 | "") | |
326 | #define FUNC_NAME s_scm_program_arities | |
327 | { | |
328 | SCM meta; | |
329 | ||
330 | SCM_VALIDATE_PROGRAM (1, program); | |
331 | ||
332 | meta = scm_program_meta (program); | |
333 | if (scm_is_false (meta)) | |
334 | return SCM_BOOL_F; | |
335 | ||
336 | return scm_caddr (scm_call_0 (meta)); | |
337 | } | |
338 | #undef FUNC_NAME | |
339 | ||
07e424b7 AW |
340 | SCM |
341 | scm_i_program_properties (SCM program) | |
342 | #define FUNC_NAME "%program-properties" | |
e311f5fa AW |
343 | { |
344 | SCM meta; | |
345 | ||
346 | SCM_VALIDATE_PROGRAM (1, program); | |
347 | ||
348 | meta = scm_program_meta (program); | |
349 | if (scm_is_false (meta)) | |
350 | return SCM_EOL; | |
351 | ||
6c6a4439 | 352 | return scm_cdddr (scm_call_0 (meta)); |
e311f5fa AW |
353 | } |
354 | #undef FUNC_NAME | |
355 | ||
b262b74b AW |
356 | static SCM |
357 | program_source (SCM program, size_t ip, SCM sources) | |
358 | { | |
359 | SCM source = SCM_BOOL_F; | |
360 | ||
361 | while (!scm_is_null (sources) | |
362 | && scm_to_size_t (scm_caar (sources)) <= ip) | |
363 | { | |
364 | source = scm_car (sources); | |
365 | sources = scm_cdr (sources); | |
366 | } | |
367 | ||
368 | return source; /* (addr . (filename . (line . column))) */ | |
369 | } | |
370 | ||
371 | SCM_DEFINE (scm_program_source, "program-source", 2, 1, 0, | |
372 | (SCM program, SCM ip, SCM sources), | |
028e3d06 AW |
373 | "") |
374 | #define FUNC_NAME s_scm_program_source | |
375 | { | |
376 | SCM_VALIDATE_PROGRAM (1, program); | |
b262b74b AW |
377 | if (SCM_UNBNDP (sources)) |
378 | sources = scm_program_sources (program); | |
379 | return program_source (program, scm_to_size_t (ip), sources); | |
028e3d06 AW |
380 | } |
381 | #undef FUNC_NAME | |
382 | ||
e311f5fa AW |
383 | extern SCM |
384 | scm_c_program_source (SCM program, size_t ip) | |
385 | { | |
b262b74b | 386 | return program_source (program, ip, scm_program_sources (program)); |
9a9f6487 AW |
387 | } |
388 | ||
6f16379e | 389 | SCM_DEFINE (scm_program_num_free_variables, "program-num-free-variables", 1, 0, 0, |
17e90c5e KN |
390 | (SCM program), |
391 | "") | |
6f16379e AW |
392 | #define FUNC_NAME s_scm_program_num_free_variables |
393 | { | |
394 | SCM_VALIDATE_PROGRAM (1, program); | |
395 | return scm_from_ulong (SCM_PROGRAM_NUM_FREE_VARIABLES (program)); | |
396 | } | |
397 | #undef FUNC_NAME | |
398 | ||
399 | SCM_DEFINE (scm_program_free_variable_ref, "program-free-variable-ref", 2, 0, 0, | |
400 | (SCM program, SCM i), | |
401 | "") | |
402 | #define FUNC_NAME s_scm_program_free_variable_ref | |
403 | { | |
404 | unsigned long idx; | |
405 | SCM_VALIDATE_PROGRAM (1, program); | |
406 | SCM_VALIDATE_ULONG_COPY (2, i, idx); | |
407 | if (idx >= SCM_PROGRAM_NUM_FREE_VARIABLES (program)) | |
408 | SCM_OUT_OF_RANGE (2, i); | |
409 | return SCM_PROGRAM_FREE_VARIABLE_REF (program, idx); | |
410 | } | |
411 | #undef FUNC_NAME | |
412 | ||
413 | SCM_DEFINE (scm_program_free_variable_set_x, "program-free-variable-set!", 3, 0, 0, | |
414 | (SCM program, SCM i, SCM x), | |
415 | "") | |
416 | #define FUNC_NAME s_scm_program_free_variable_set_x | |
62082959 | 417 | { |
6f16379e | 418 | unsigned long idx; |
62082959 | 419 | SCM_VALIDATE_PROGRAM (1, program); |
6f16379e AW |
420 | SCM_VALIDATE_ULONG_COPY (2, i, idx); |
421 | if (idx >= SCM_PROGRAM_NUM_FREE_VARIABLES (program)) | |
422 | SCM_OUT_OF_RANGE (2, i); | |
423 | SCM_PROGRAM_FREE_VARIABLE_SET (program, idx, x); | |
424 | return SCM_UNSPECIFIED; | |
62082959 LC |
425 | } |
426 | #undef FUNC_NAME | |
427 | ||
53e28ed9 | 428 | SCM_DEFINE (scm_program_objcode, "program-objcode", 1, 0, 0, |
17e90c5e | 429 | (SCM program), |
53e28ed9 AW |
430 | "Return a @var{program}'s object code.") |
431 | #define FUNC_NAME s_scm_program_objcode | |
17e90c5e KN |
432 | { |
433 | SCM_VALIDATE_PROGRAM (1, program); | |
fa19602c | 434 | |
53e28ed9 | 435 | return SCM_PROGRAM_OBJCODE (program); |
17e90c5e KN |
436 | } |
437 | #undef FUNC_NAME | |
438 | ||
cb2ce548 AW |
439 | /* procedure-minimum-arity support. */ |
440 | static void | |
441 | parse_arity (SCM arity, int *req, int *opt, int *rest) | |
56164a5a | 442 | { |
cb2ce548 | 443 | SCM x = scm_cddr (arity); |
56164a5a | 444 | |
56164a5a AW |
445 | if (scm_is_pair (x)) |
446 | { | |
447 | *req = scm_to_int (scm_car (x)); | |
448 | x = scm_cdr (x); | |
449 | if (scm_is_pair (x)) | |
450 | { | |
451 | *opt = scm_to_int (scm_car (x)); | |
452 | x = scm_cdr (x); | |
453 | if (scm_is_pair (x)) | |
454 | *rest = scm_is_true (scm_car (x)); | |
455 | else | |
456 | *rest = 0; | |
457 | } | |
458 | else | |
459 | *opt = *rest = 0; | |
460 | } | |
461 | else | |
462 | *req = *opt = *rest = 0; | |
cb2ce548 AW |
463 | } |
464 | ||
eb2bc00f AW |
465 | static int |
466 | scm_i_rtl_program_minimum_arity (SCM program, int *req, int *opt, int *rest) | |
467 | { | |
468 | static SCM rtl_program_minimum_arity = SCM_BOOL_F; | |
469 | SCM l; | |
470 | ||
471 | if (scm_is_false (rtl_program_minimum_arity) && scm_module_system_booted_p) | |
472 | rtl_program_minimum_arity = | |
473 | scm_c_private_variable ("system vm debug", | |
474 | "rtl-program-minimum-arity"); | |
475 | ||
476 | l = scm_call_1 (scm_variable_ref (rtl_program_minimum_arity), program); | |
477 | if (scm_is_false (l)) | |
478 | return 0; | |
479 | ||
480 | *req = scm_to_int (scm_car (l)); | |
481 | *opt = scm_to_int (scm_cadr (l)); | |
482 | *rest = scm_is_true (scm_caddr (l)); | |
483 | ||
484 | return 1; | |
485 | } | |
486 | ||
cb2ce548 AW |
487 | int |
488 | scm_i_program_arity (SCM program, int *req, int *opt, int *rest) | |
489 | { | |
490 | SCM arities; | |
491 | ||
eb2bc00f AW |
492 | if (SCM_RTL_PROGRAM_P (program)) |
493 | return scm_i_rtl_program_minimum_arity (program, req, opt, rest); | |
494 | ||
cb2ce548 AW |
495 | arities = scm_program_arities (program); |
496 | if (!scm_is_pair (arities)) | |
497 | return 0; | |
498 | ||
499 | parse_arity (scm_car (arities), req, opt, rest); | |
500 | arities = scm_cdr (arities); | |
501 | ||
502 | for (; scm_is_pair (arities); arities = scm_cdr (arities)) | |
503 | { | |
504 | int thisreq, thisopt, thisrest; | |
505 | ||
506 | parse_arity (scm_car (arities), &thisreq, &thisopt, &thisrest); | |
507 | ||
508 | if (thisreq < *req | |
509 | || (thisreq == *req | |
510 | && ((thisrest && (!*rest || thisopt > *opt)) | |
511 | || (!thisrest && !*rest && thisopt > *opt)))) | |
512 | { | |
513 | *req = thisreq; | |
514 | *opt = thisopt; | |
515 | *rest = thisrest; | |
516 | } | |
517 | } | |
518 | ||
56164a5a AW |
519 | return 1; |
520 | } | |
fa19602c | 521 | |
17e90c5e | 522 | \f |
56164a5a | 523 | |
17e90c5e | 524 | void |
07e56b27 | 525 | scm_bootstrap_programs (void) |
17e90c5e | 526 | { |
44602b08 AW |
527 | scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION, |
528 | "scm_init_programs", | |
60ae5ca2 | 529 | (scm_t_extension_init_func)scm_init_programs, NULL); |
07e56b27 | 530 | } |
17e90c5e | 531 | |
07e56b27 AW |
532 | void |
533 | scm_init_programs (void) | |
534 | { | |
17e90c5e | 535 | #ifndef SCM_MAGIC_SNARFER |
aeeff258 | 536 | #include "libguile/programs.x" |
17e90c5e KN |
537 | #endif |
538 | } | |
539 | ||
540 | /* | |
541 | Local Variables: | |
542 | c-file-style: "gnu" | |
543 | End: | |
544 | */ |