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60c497a3 | 1 | /* Copyright (C) 1995, 1996, 1998, 1999, 2000 Free Software Foundation, Inc. |
0f2d19dd JB |
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 | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
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. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
1bbd0b84 GB |
41 | |
42 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
43 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
44 | ||
0f2d19dd JB |
45 | \f |
46 | ||
47 | #include <stdio.h> | |
a0599745 MD |
48 | #include "libguile/_scm.h" |
49 | #include "libguile/eq.h" | |
50 | #include "libguile/root.h" | |
51 | #include "libguile/strings.h" | |
52 | ||
53 | #include "libguile/validate.h" | |
54 | #include "libguile/vectors.h" | |
55 | #include "libguile/unif.h" | |
0f2d19dd JB |
56 | \f |
57 | ||
afe5177e GH |
58 | /* |
59 | * This complicates things too much if allowed on any array. | |
60 | * C code can safely call it on arrays known to be used in a single | |
61 | * threaded manner. | |
62 | * | |
1bbd0b84 | 63 | * SCM_REGISTER_PROC(s_vector_set_length_x, "vector-set-length!", 2, 0, 0, scm_vector_set_length_x); |
afe5177e GH |
64 | */ |
65 | static char s_vector_set_length_x[] = "vector-set-length!"; | |
66 | ||
67 | ||
68 | SCM | |
1bbd0b84 | 69 | scm_vector_set_length_x (SCM vect, SCM len) |
afe5177e GH |
70 | { |
71 | long l; | |
72 | scm_sizet siz; | |
73 | scm_sizet sz; | |
9eb364fc | 74 | char *base; |
afe5177e GH |
75 | |
76 | l = SCM_INUM (len); | |
77 | SCM_ASRTGO (SCM_NIMP (vect), badarg1); | |
78 | ||
79 | #ifdef HAVE_ARRAYS | |
80 | if (SCM_TYP7 (vect) == scm_tc7_bvect) | |
81 | { | |
82 | l = (l + SCM_LONG_BIT - 1) / SCM_LONG_BIT; | |
83 | } | |
84 | sz = scm_uniform_element_size (vect); | |
9eb364fc DH |
85 | if (sz != 0) |
86 | base = SCM_UVECTOR_BASE (vect); | |
87 | else | |
afe5177e GH |
88 | #endif |
89 | switch (SCM_TYP7 (vect)) | |
90 | { | |
91 | default: | |
92 | badarg1: scm_wta (vect, (char *) SCM_ARG1, s_vector_set_length_x); | |
93 | case scm_tc7_string: | |
4260a7fc | 94 | SCM_ASRTGO (!SCM_EQ_P (vect, scm_nullstr), badarg1); |
afe5177e | 95 | sz = sizeof (char); |
9eb364fc | 96 | base = SCM_STRING_CHARS (vect); |
afe5177e GH |
97 | l++; |
98 | break; | |
99 | case scm_tc7_vector: | |
100 | case scm_tc7_wvect: | |
4260a7fc | 101 | SCM_ASRTGO (!SCM_EQ_P (vect, scm_nullvect), badarg1); |
afe5177e | 102 | sz = sizeof (SCM); |
9eb364fc | 103 | base = (char *) SCM_VECTOR_BASE (vect); |
afe5177e GH |
104 | break; |
105 | } | |
106 | SCM_ASSERT (SCM_INUMP (len), len, SCM_ARG2, s_vector_set_length_x); | |
107 | if (!l) | |
108 | l = 1L; | |
109 | siz = l * sz; | |
110 | if (siz != l * sz) | |
2500356c | 111 | scm_memory_error (s_vector_set_length_x); |
afe5177e GH |
112 | SCM_REDEFER_INTS; |
113 | SCM_SETCHARS (vect, | |
114 | ((char *) | |
9eb364fc | 115 | scm_must_realloc (base, |
afe5177e GH |
116 | (long) SCM_LENGTH (vect) * sz, |
117 | (long) siz, | |
118 | s_vector_set_length_x))); | |
119 | if (SCM_VECTORP (vect)) | |
120 | { | |
121 | sz = SCM_LENGTH (vect); | |
122 | while (l > sz) | |
123 | SCM_VELTS (vect)[--l] = SCM_UNSPECIFIED; | |
124 | } | |
125 | else if (SCM_STRINGP (vect)) | |
9eb364fc | 126 | SCM_STRING_CHARS (vect)[l - 1] = 0; |
afe5177e GH |
127 | SCM_SETLENGTH (vect, SCM_INUM (len), SCM_TYP7 (vect)); |
128 | SCM_REALLOW_INTS; | |
129 | return vect; | |
130 | } | |
0f2d19dd | 131 | |
a1ec6916 | 132 | SCM_DEFINE (scm_vector_p, "vector?", 1, 0, 0, |
5ffe9968 GB |
133 | (SCM obj), |
134 | "Returns @t{#t} if @var{obj} is a vector, otherwise returns @t{#f}. (r5rs)") | |
1bbd0b84 | 135 | #define FUNC_NAME s_scm_vector_p |
0f2d19dd | 136 | { |
5ffe9968 | 137 | if (SCM_IMP (obj)) |
f172c0b7 | 138 | return SCM_BOOL_F; |
5ffe9968 | 139 | return SCM_BOOL (SCM_VECTORP (obj)); |
0f2d19dd | 140 | } |
1bbd0b84 | 141 | #undef FUNC_NAME |
0f2d19dd | 142 | |
f172c0b7 | 143 | SCM_GPROC (s_vector_length, "vector-length", 1, 0, 0, scm_vector_length, g_vector_length); |
5ffe9968 | 144 | /* Returns the number of elements in @var{vector} as an exact integer. (r5rs) */ |
0f2d19dd | 145 | SCM |
f172c0b7 | 146 | scm_vector_length (SCM v) |
0f2d19dd | 147 | { |
f172c0b7 MD |
148 | SCM_GASSERT1 (SCM_VECTORP(v), |
149 | g_vector_length, v, SCM_ARG1, s_vector_length); | |
b5c2579a | 150 | return SCM_MAKINUM (SCM_VECTOR_LENGTH (v)); |
0f2d19dd JB |
151 | } |
152 | ||
f172c0b7 | 153 | SCM_REGISTER_PROC (s_list_to_vector, "list->vector", 1, 0, 0, scm_vector); |
5ffe9968 GB |
154 | /* |
155 | "@samp{List->vector} returns a newly\n" | |
156 | "created vector initialized to the elements of the list @var{list}.\n\n" | |
157 | "@format\n" | |
158 | "@t{(vector->list '#(dah dah didah))\n" | |
159 | "=> (dah dah didah)\n" | |
160 | "list->vector '(dididit dah))\n" | |
161 | "=> #(dididit dah)\n" | |
162 | "}\n" | |
163 | "@end format") | |
164 | */ | |
a1ec6916 | 165 | SCM_DEFINE (scm_vector, "vector", 0, 0, 1, |
f172c0b7 | 166 | (SCM l), |
31daeb2d | 167 | "@deffnx primitive list->vector l\n" |
5ffe9968 GB |
168 | "Returns a newly allocated vector whose elements contain the given\n" |
169 | "arguments. Analogous to @samp{list}. (r5rs)\n\n" | |
170 | "@format\n" | |
171 | "@t{(vector 'a 'b 'c) ==> #(a b c) }\n" | |
172 | "@end format") | |
1bbd0b84 | 173 | #define FUNC_NAME s_scm_vector |
0f2d19dd JB |
174 | { |
175 | SCM res; | |
176 | register SCM *data; | |
1bbd0b84 | 177 | int i; |
f172c0b7 MD |
178 | SCM_VALIDATE_LIST_COPYLEN (1,l,i); |
179 | res = scm_make_vector (SCM_MAKINUM (i), SCM_UNSPECIFIED); | |
180 | data = SCM_VELTS (res); | |
181 | for(; i && SCM_NIMP(l); --i, l = SCM_CDR (l)) | |
182 | *data++ = SCM_CAR (l); | |
0f2d19dd JB |
183 | return res; |
184 | } | |
1bbd0b84 | 185 | #undef FUNC_NAME |
0f2d19dd | 186 | |
f172c0b7 | 187 | SCM_GPROC (s_vector_ref, "vector-ref", 2, 0, 0, scm_vector_ref, g_vector_ref); |
1cc91f1b | 188 | |
5ffe9968 GB |
189 | /* |
190 | "@var{k} must be a valid index of @var{vector}.\n" | |
191 | "@samp{Vector-ref} returns the contents of element @var{k} of\n" | |
192 | "@var{vector}.\n\n" | |
193 | "@format\n" | |
194 | "@t{(vector-ref '#(1 1 2 3 5 8 13 21)\n" | |
195 | " 5)\n" | |
196 | " ==> 8\n" | |
197 | "(vector-ref '#(1 1 2 3 5 8 13 21)\n" | |
198 | " (let ((i (round (* 2 (acos -1)))))\n" | |
199 | " (if (inexact? i)\n" | |
200 | " (inexact->exact i)\n" | |
201 | " i))) \n" | |
202 | " ==> 13\n" | |
203 | "}\n" | |
204 | "@end format" | |
205 | */ | |
206 | ||
0f2d19dd | 207 | SCM |
ea633082 | 208 | scm_vector_ref (SCM v, SCM k) |
685c0d71 | 209 | #define FUNC_NAME s_vector_ref |
0f2d19dd | 210 | { |
0c95b57d | 211 | SCM_GASSERT2 (SCM_VECTORP (v), |
9eb8500a MD |
212 | g_vector_ref, v, k, SCM_ARG1, s_vector_ref); |
213 | SCM_GASSERT2 (SCM_INUMP (k), | |
214 | g_vector_ref, v, k, SCM_ARG2, s_vector_ref); | |
b5c2579a | 215 | SCM_ASSERT_RANGE (2, k, SCM_INUM (k) < SCM_VECTOR_LENGTH (v) && SCM_INUM (k) >= 0); |
ea633082 | 216 | return SCM_VELTS (v)[(long) SCM_INUM (k)]; |
0f2d19dd | 217 | } |
685c0d71 | 218 | #undef FUNC_NAME |
0f2d19dd | 219 | |
f172c0b7 | 220 | SCM_GPROC (s_vector_set_x, "vector-set!", 3, 0, 0, scm_vector_set_x, g_vector_set_x); |
1cc91f1b | 221 | |
5ffe9968 GB |
222 | /* (r5rs) |
223 | @var{k} must be a valid index of @var{vector}. | |
224 | @samp{Vector-set!} stores @var{obj} in element @var{k} of @var{vector}. | |
225 | The value returned by @samp{vector-set!} is unspecified. | |
226 | @c <!> | |
227 | ||
228 | ||
229 | @format | |
230 | @t{(let ((vec (vector 0 '(2 2 2 2) "Anna"))) | |
231 | (vector-set! vec 1 '("Sue" "Sue")) | |
232 | vec) | |
233 | ==> #(0 ("Sue" "Sue") "Anna") | |
234 | ||
235 | (vector-set! '#(0 1 2) 1 "doe") | |
236 | ==> @emph{error} ; constant vector | |
237 | } | |
238 | @end format | |
239 | */ | |
240 | ||
0f2d19dd | 241 | SCM |
f172c0b7 | 242 | scm_vector_set_x (SCM v, SCM k, SCM obj) |
685c0d71 | 243 | #define FUNC_NAME s_vector_set_x |
0f2d19dd | 244 | { |
f172c0b7 | 245 | SCM_GASSERTn (SCM_VECTORP (v), |
9eb8500a MD |
246 | g_vector_set_x, SCM_LIST3 (v, k, obj), |
247 | SCM_ARG1, s_vector_set_x); | |
f172c0b7 | 248 | SCM_GASSERTn (SCM_INUMP (k), |
9eb8500a MD |
249 | g_vector_set_x, SCM_LIST3 (v, k, obj), |
250 | SCM_ARG2, s_vector_set_x); | |
b5c2579a | 251 | SCM_ASSERT_RANGE (2, k, SCM_INUM (k) < SCM_VECTOR_LENGTH (v) && SCM_INUM (k) >= 0); |
f172c0b7 | 252 | SCM_VELTS(v)[(long) SCM_INUM(k)] = obj; |
60c497a3 | 253 | return SCM_UNSPECIFIED; |
0f2d19dd | 254 | } |
685c0d71 | 255 | #undef FUNC_NAME |
0f2d19dd JB |
256 | |
257 | ||
a1ec6916 | 258 | SCM_DEFINE (scm_make_vector, "make-vector", 1, 1, 0, |
1bbd0b84 | 259 | (SCM k, SCM fill), |
5ffe9968 GB |
260 | "Returns a newly allocated vector of @var{k} elements. If a second\n" |
261 | "argument is given, then each element is initialized to @var{fill}.\n" | |
262 | "Otherwise the initial contents of each element is unspecified. (r5rs)") | |
1bbd0b84 | 263 | #define FUNC_NAME s_scm_make_vector |
0f2d19dd JB |
264 | { |
265 | SCM v; | |
0f2d19dd JB |
266 | register long i; |
267 | register long j; | |
268 | register SCM *velts; | |
269 | ||
3b3b36dd | 270 | SCM_VALIDATE_INUM_MIN (1,k,0); |
0f2d19dd | 271 | if (SCM_UNBNDP(fill)) |
d60cebe2 | 272 | fill = SCM_UNSPECIFIED; |
0f2d19dd JB |
273 | i = SCM_INUM(k); |
274 | SCM_NEWCELL(v); | |
275 | SCM_DEFER_INTS; | |
1bbd0b84 | 276 | SCM_SETCHARS(v, scm_must_malloc(i?(long)(i*sizeof(SCM)):1L, FUNC_NAME)); |
0f2d19dd | 277 | velts = SCM_VELTS(v); |
a75923bb DH |
278 | for (j = 0; j < i; ++j) |
279 | velts[j] = fill; | |
280 | SCM_SETLENGTH(v, i, scm_tc7_vector); | |
0f2d19dd JB |
281 | SCM_ALLOW_INTS; |
282 | return v; | |
283 | } | |
1bbd0b84 | 284 | #undef FUNC_NAME |
0f2d19dd JB |
285 | |
286 | ||
3b3b36dd | 287 | SCM_DEFINE (scm_vector_to_list, "vector->list", 1, 0, 0, |
1bbd0b84 | 288 | (SCM v), |
5ffe9968 GB |
289 | "@samp{Vector->list} returns a newly allocated list of the objects contained\n" |
290 | "in the elements of @var{vector}. (r5rs)\n\n" | |
291 | "@format\n" | |
292 | "@t{(vector->list '#(dah dah didah))\n" | |
293 | "=> (dah dah didah)\n" | |
294 | "list->vector '(dididit dah))\n" | |
295 | "=> #(dididit dah)\n" | |
296 | "}\n" | |
297 | "@end format") | |
1bbd0b84 | 298 | #define FUNC_NAME s_scm_vector_to_list |
0f2d19dd JB |
299 | { |
300 | SCM res = SCM_EOL; | |
301 | long i; | |
302 | SCM *data; | |
3b3b36dd | 303 | SCM_VALIDATE_VECTOR (1,v); |
0f2d19dd | 304 | data = SCM_VELTS(v); |
b5c2579a | 305 | for(i = SCM_VECTOR_LENGTH(v)-1;i >= 0;i--) res = scm_cons(data[i], res); |
0f2d19dd JB |
306 | return res; |
307 | } | |
1bbd0b84 | 308 | #undef FUNC_NAME |
0f2d19dd JB |
309 | |
310 | ||
a1ec6916 | 311 | SCM_DEFINE (scm_vector_fill_x, "vector-fill!", 2, 0, 0, |
1bbd0b84 | 312 | (SCM v, SCM fill_x), |
5ffe9968 GB |
313 | "Stores @var{fill} in every element of @var{vector}.\n" |
314 | "The value returned by @samp{vector-fill!} is unspecified. (r5rs)") | |
1bbd0b84 | 315 | #define FUNC_NAME s_scm_vector_fill_x |
0f2d19dd JB |
316 | { |
317 | register long i; | |
318 | register SCM *data; | |
3b3b36dd | 319 | SCM_VALIDATE_VECTOR (1,v); |
0f2d19dd | 320 | data = SCM_VELTS(v); |
b5c2579a | 321 | for(i = SCM_VECTOR_LENGTH(v) - 1; i >= 0; i--) |
a61ef59b | 322 | data[i] = fill_x; |
0f2d19dd JB |
323 | return SCM_UNSPECIFIED; |
324 | } | |
1bbd0b84 | 325 | #undef FUNC_NAME |
0f2d19dd JB |
326 | |
327 | ||
0f2d19dd | 328 | SCM |
1bbd0b84 | 329 | scm_vector_equal_p(SCM x, SCM y) |
0f2d19dd JB |
330 | { |
331 | long i; | |
b5c2579a | 332 | for(i = SCM_VECTOR_LENGTH(x)-1;i >= 0;i--) |
0f2d19dd JB |
333 | if (SCM_FALSEP(scm_equal_p(SCM_VELTS(x)[i], SCM_VELTS(y)[i]))) |
334 | return SCM_BOOL_F; | |
335 | return SCM_BOOL_T; | |
336 | } | |
337 | ||
338 | ||
a1ec6916 | 339 | SCM_DEFINE (scm_vector_move_left_x, "vector-move-left!", 5, 0, 0, |
1bbd0b84 | 340 | (SCM vec1, SCM start1, SCM end1, SCM vec2, SCM start2), |
b380b885 | 341 | "Vector version of @code{substring-move-left!}.") |
1bbd0b84 | 342 | #define FUNC_NAME s_scm_vector_move_left_x |
0f2d19dd JB |
343 | { |
344 | long i; | |
345 | long j; | |
346 | long e; | |
347 | ||
3b3b36dd GB |
348 | SCM_VALIDATE_VECTOR (1,vec1); |
349 | SCM_VALIDATE_INUM_COPY (2,start1,i); | |
350 | SCM_VALIDATE_INUM_COPY (3,end1,e); | |
351 | SCM_VALIDATE_VECTOR (4,vec2); | |
352 | SCM_VALIDATE_INUM_COPY (5,start2,j); | |
b5c2579a DH |
353 | SCM_ASSERT_RANGE (2, start1, i <= SCM_VECTOR_LENGTH (vec1) && i >= 0); |
354 | SCM_ASSERT_RANGE (5, start2, j <= SCM_VECTOR_LENGTH (vec2) && j >= 0); | |
355 | SCM_ASSERT_RANGE (3, end1, e <= SCM_VECTOR_LENGTH (vec1) && e >= 0); | |
356 | SCM_ASSERT_RANGE (5, start2, e-i+j <= SCM_VECTOR_LENGTH (vec2)); | |
0f2d19dd JB |
357 | while (i<e) SCM_VELTS (vec2)[j++] = SCM_VELTS (vec1)[i++]; |
358 | return SCM_UNSPECIFIED; | |
359 | } | |
1bbd0b84 | 360 | #undef FUNC_NAME |
0f2d19dd | 361 | |
a1ec6916 | 362 | SCM_DEFINE (scm_vector_move_right_x, "vector-move-right!", 5, 0, 0, |
1bbd0b84 | 363 | (SCM vec1, SCM start1, SCM end1, SCM vec2, SCM start2), |
b380b885 | 364 | "Vector version of @code{substring-move-right!}.") |
1bbd0b84 | 365 | #define FUNC_NAME s_scm_vector_move_right_x |
0f2d19dd JB |
366 | { |
367 | long i; | |
368 | long j; | |
369 | long e; | |
370 | ||
3b3b36dd GB |
371 | SCM_VALIDATE_VECTOR (1,vec1); |
372 | SCM_VALIDATE_INUM_COPY (2,start1,i); | |
373 | SCM_VALIDATE_INUM_COPY (3,end1,e); | |
374 | SCM_VALIDATE_VECTOR (4,vec2); | |
375 | SCM_VALIDATE_INUM_COPY (5,start2,j); | |
b5c2579a DH |
376 | SCM_ASSERT_RANGE (2, start1, i <= SCM_VECTOR_LENGTH (vec1) && i >= 0); |
377 | SCM_ASSERT_RANGE (5, start2, j <= SCM_VECTOR_LENGTH (vec2) && j >= 0); | |
378 | SCM_ASSERT_RANGE (3, end1, e <= SCM_VECTOR_LENGTH (vec1) && e >= 0); | |
2cc41672 | 379 | j = e - i + j; |
b5c2579a | 380 | SCM_ASSERT_RANGE (5, start2, j <= SCM_VECTOR_LENGTH (vec2)); |
2cc41672 MD |
381 | while (i < e) |
382 | SCM_VELTS (vec2)[--j] = SCM_VELTS (vec1)[--e]; | |
0f2d19dd JB |
383 | return SCM_UNSPECIFIED; |
384 | } | |
1bbd0b84 | 385 | #undef FUNC_NAME |
0f2d19dd JB |
386 | |
387 | ||
1cc91f1b | 388 | |
0f2d19dd JB |
389 | void |
390 | scm_init_vectors () | |
0f2d19dd | 391 | { |
a0599745 | 392 | #include "libguile/vectors.x" |
afe5177e GH |
393 | /* |
394 | scm_make_subr (s_resizuve, scm_tc7_subr_2, scm_vector_set_length_x); */ | |
0f2d19dd JB |
395 | } |
396 | ||
89e00824 ML |
397 | |
398 | /* | |
399 | Local Variables: | |
400 | c-file-style: "gnu" | |
401 | End: | |
402 | */ |