Commit | Line | Data |
a0d0e21e |
1 | /* av.c |
79072805 |
2 | * |
9607fc9c |
3 | * Copyright (c) 1991-1997, Larry Wall |
79072805 |
4 | * |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. |
7 | * |
a0d0e21e |
8 | */ |
9 | |
10 | /* |
11 | * "...for the Entwives desired order, and plenty, and peace (by which they |
12 | * meant that things should remain where they had set them)." --Treebeard |
79072805 |
13 | */ |
14 | |
15 | #include "EXTERN.h" |
16 | #include "perl.h" |
17 | |
a0d0e21e |
18 | static void av_reify _((AV* av)); |
19 | |
20 | static void |
21 | av_reify(av) |
22 | AV* av; |
23 | { |
24 | I32 key; |
25 | SV* sv; |
26 | |
27 | key = AvMAX(av) + 1; |
28 | while (key > AvFILL(av) + 1) |
29 | AvARRAY(av)[--key] = &sv_undef; |
30 | while (key) { |
31 | sv = AvARRAY(av)[--key]; |
32 | assert(sv); |
11343788 |
33 | if (sv != &sv_undef) { |
34 | dTHR; |
a0d0e21e |
35 | (void)SvREFCNT_inc(sv); |
11343788 |
36 | } |
a0d0e21e |
37 | } |
29de640a |
38 | key = AvARRAY(av) - AvALLOC(av); |
39 | while (key) |
40 | AvALLOC(av)[--key] = &sv_undef; |
a0d0e21e |
41 | AvREAL_on(av); |
42 | } |
43 | |
44 | void |
45 | av_extend(av,key) |
46 | AV *av; |
47 | I32 key; |
48 | { |
11343788 |
49 | dTHR; /* only necessary if we have to extend stack */ |
a0d0e21e |
50 | if (key > AvMAX(av)) { |
51 | SV** ary; |
52 | I32 tmp; |
53 | I32 newmax; |
54 | |
55 | if (AvALLOC(av) != AvARRAY(av)) { |
56 | ary = AvALLOC(av) + AvFILL(av) + 1; |
57 | tmp = AvARRAY(av) - AvALLOC(av); |
58 | Move(AvARRAY(av), AvALLOC(av), AvFILL(av)+1, SV*); |
59 | AvMAX(av) += tmp; |
60 | SvPVX(av) = (char*)AvALLOC(av); |
61 | if (AvREAL(av)) { |
62 | while (tmp) |
63 | ary[--tmp] = &sv_undef; |
64 | } |
65 | |
66 | if (key > AvMAX(av) - 10) { |
67 | newmax = key + AvMAX(av); |
68 | goto resize; |
69 | } |
70 | } |
71 | else { |
72 | if (AvALLOC(av)) { |
c07a80fd |
73 | #ifndef STRANGE_MALLOC |
4633a7c4 |
74 | U32 bytes; |
c07a80fd |
75 | #endif |
4633a7c4 |
76 | |
a0d0e21e |
77 | newmax = key + AvMAX(av) / 5; |
78 | resize: |
4633a7c4 |
79 | #ifdef STRANGE_MALLOC |
a0d0e21e |
80 | Renew(AvALLOC(av),newmax+1, SV*); |
4633a7c4 |
81 | #else |
82 | bytes = (newmax + 1) * sizeof(SV*); |
83 | #define MALLOC_OVERHEAD 16 |
84 | tmp = MALLOC_OVERHEAD; |
85 | while (tmp - MALLOC_OVERHEAD < bytes) |
86 | tmp += tmp; |
87 | tmp -= MALLOC_OVERHEAD; |
88 | tmp /= sizeof(SV*); |
89 | assert(tmp > newmax); |
90 | newmax = tmp - 1; |
91 | New(2,ary, newmax+1, SV*); |
92 | Copy(AvALLOC(av), ary, AvMAX(av)+1, SV*); |
c07a80fd |
93 | if (AvMAX(av) > 64 && !nice_chunk) { |
94 | nice_chunk = (char*)AvALLOC(av); |
95 | nice_chunk_size = (AvMAX(av) + 1) * sizeof(SV*); |
96 | } |
4633a7c4 |
97 | else |
98 | Safefree(AvALLOC(av)); |
99 | AvALLOC(av) = ary; |
100 | #endif |
a0d0e21e |
101 | ary = AvALLOC(av) + AvMAX(av) + 1; |
102 | tmp = newmax - AvMAX(av); |
7d55f622 |
103 | if (av == curstack) { /* Oops, grew stack (via av_store()?) */ |
a0d0e21e |
104 | stack_sp = AvALLOC(av) + (stack_sp - stack_base); |
105 | stack_base = AvALLOC(av); |
106 | stack_max = stack_base + newmax; |
107 | } |
108 | } |
109 | else { |
110 | newmax = key < 4 ? 4 : key; |
111 | New(2,AvALLOC(av), newmax+1, SV*); |
112 | ary = AvALLOC(av) + 1; |
113 | tmp = newmax; |
114 | AvALLOC(av)[0] = &sv_undef; /* For the stacks */ |
115 | } |
116 | if (AvREAL(av)) { |
117 | while (tmp) |
118 | ary[--tmp] = &sv_undef; |
119 | } |
120 | |
121 | SvPVX(av) = (char*)AvALLOC(av); |
122 | AvMAX(av) = newmax; |
123 | } |
124 | } |
125 | } |
126 | |
79072805 |
127 | SV** |
463ee0b2 |
128 | av_fetch(av,key,lval) |
129 | register AV *av; |
79072805 |
130 | I32 key; |
131 | I32 lval; |
132 | { |
133 | SV *sv; |
134 | |
a0d0e21e |
135 | if (!av) |
136 | return 0; |
137 | |
8990e307 |
138 | if (SvRMAGICAL(av)) { |
463ee0b2 |
139 | if (mg_find((SV*)av,'P')) { |
11343788 |
140 | dTHR; |
8990e307 |
141 | sv = sv_newmortal(); |
463ee0b2 |
142 | mg_copy((SV*)av, sv, 0, key); |
463ee0b2 |
143 | Sv = sv; |
144 | return &Sv; |
145 | } |
146 | } |
147 | |
a0d0e21e |
148 | if (key < 0) { |
149 | key += AvFILL(av) + 1; |
150 | if (key < 0) |
151 | return 0; |
152 | } |
153 | else if (key > AvFILL(av)) { |
154 | if (!lval) |
155 | return 0; |
156 | if (AvREALISH(av)) |
157 | sv = NEWSV(5,0); |
158 | else |
159 | sv = sv_newmortal(); |
160 | return av_store(av,key,sv); |
79072805 |
161 | } |
a0d0e21e |
162 | if (AvARRAY(av)[key] == &sv_undef) { |
4dbf4341 |
163 | emptyness: |
79072805 |
164 | if (lval) { |
165 | sv = NEWSV(6,0); |
463ee0b2 |
166 | return av_store(av,key,sv); |
79072805 |
167 | } |
168 | return 0; |
169 | } |
4dbf4341 |
170 | else if (AvREIFY(av) |
171 | && (!AvARRAY(av)[key] /* eg. @_ could have freed elts */ |
172 | || SvTYPE(AvARRAY(av)[key]) == SVTYPEMASK)) { |
173 | AvARRAY(av)[key] = &sv_undef; /* 1/2 reify */ |
174 | goto emptyness; |
175 | } |
463ee0b2 |
176 | return &AvARRAY(av)[key]; |
79072805 |
177 | } |
178 | |
179 | SV** |
463ee0b2 |
180 | av_store(av,key,val) |
181 | register AV *av; |
79072805 |
182 | I32 key; |
183 | SV *val; |
184 | { |
79072805 |
185 | SV** ary; |
186 | |
a0d0e21e |
187 | if (!av) |
188 | return 0; |
43fcc5d2 |
189 | if (!val) |
190 | val = &sv_undef; |
463ee0b2 |
191 | |
8990e307 |
192 | if (SvRMAGICAL(av)) { |
463ee0b2 |
193 | if (mg_find((SV*)av,'P')) { |
43fcc5d2 |
194 | if (val != &sv_undef) |
195 | mg_copy((SV*)av, val, 0, key); |
463ee0b2 |
196 | return 0; |
197 | } |
198 | } |
199 | |
a0d0e21e |
200 | if (key < 0) { |
201 | key += AvFILL(av) + 1; |
202 | if (key < 0) |
203 | return 0; |
79072805 |
204 | } |
43fcc5d2 |
205 | if (SvREADONLY(av) && key >= AvFILL(av)) |
206 | croak(no_modify); |
49beac48 |
207 | if (!AvREAL(av) && AvREIFY(av)) |
a0d0e21e |
208 | av_reify(av); |
a0d0e21e |
209 | if (key > AvMAX(av)) |
210 | av_extend(av,key); |
463ee0b2 |
211 | ary = AvARRAY(av); |
a0d0e21e |
212 | if (AvFILL(av) < key) { |
213 | if (!AvREAL(av)) { |
11343788 |
214 | dTHR; |
7d55f622 |
215 | if (av == curstack && key > stack_sp - stack_base) |
a0d0e21e |
216 | stack_sp = stack_base + key; /* XPUSH in disguise */ |
217 | do |
218 | ary[++AvFILL(av)] = &sv_undef; |
219 | while (AvFILL(av) < key); |
79072805 |
220 | } |
a0d0e21e |
221 | AvFILL(av) = key; |
79072805 |
222 | } |
a0d0e21e |
223 | else if (AvREAL(av)) |
224 | SvREFCNT_dec(ary[key]); |
79072805 |
225 | ary[key] = val; |
8990e307 |
226 | if (SvSMAGICAL(av)) { |
a0d0e21e |
227 | if (val != &sv_undef) { |
228 | MAGIC* mg = SvMAGIC(av); |
229 | sv_magic(val, (SV*)av, toLOWER(mg->mg_type), 0, key); |
230 | } |
463ee0b2 |
231 | mg_set((SV*)av); |
232 | } |
79072805 |
233 | return &ary[key]; |
234 | } |
235 | |
236 | AV * |
237 | newAV() |
238 | { |
463ee0b2 |
239 | register AV *av; |
79072805 |
240 | |
a0d0e21e |
241 | av = (AV*)NEWSV(3,0); |
242 | sv_upgrade((SV *)av, SVt_PVAV); |
463ee0b2 |
243 | AvREAL_on(av); |
244 | AvALLOC(av) = 0; |
245 | SvPVX(av) = 0; |
246 | AvMAX(av) = AvFILL(av) = -1; |
247 | return av; |
79072805 |
248 | } |
249 | |
250 | AV * |
251 | av_make(size,strp) |
252 | register I32 size; |
253 | register SV **strp; |
254 | { |
463ee0b2 |
255 | register AV *av; |
79072805 |
256 | register I32 i; |
257 | register SV** ary; |
258 | |
a0d0e21e |
259 | av = (AV*)NEWSV(8,0); |
260 | sv_upgrade((SV *) av,SVt_PVAV); |
79072805 |
261 | New(4,ary,size+1,SV*); |
463ee0b2 |
262 | AvALLOC(av) = ary; |
a0d0e21e |
263 | AvFLAGS(av) = AVf_REAL; |
463ee0b2 |
264 | SvPVX(av) = (char*)ary; |
265 | AvFILL(av) = size - 1; |
266 | AvMAX(av) = size - 1; |
79072805 |
267 | for (i = 0; i < size; i++) { |
a0d0e21e |
268 | assert (*strp); |
269 | ary[i] = NEWSV(7,0); |
270 | sv_setsv(ary[i], *strp); |
79072805 |
271 | strp++; |
272 | } |
463ee0b2 |
273 | return av; |
79072805 |
274 | } |
275 | |
276 | AV * |
277 | av_fake(size,strp) |
278 | register I32 size; |
279 | register SV **strp; |
280 | { |
463ee0b2 |
281 | register AV *av; |
79072805 |
282 | register SV** ary; |
283 | |
a0d0e21e |
284 | av = (AV*)NEWSV(9,0); |
285 | sv_upgrade((SV *)av, SVt_PVAV); |
79072805 |
286 | New(4,ary,size+1,SV*); |
463ee0b2 |
287 | AvALLOC(av) = ary; |
79072805 |
288 | Copy(strp,ary,size,SV*); |
a0d0e21e |
289 | AvFLAGS(av) = AVf_REIFY; |
463ee0b2 |
290 | SvPVX(av) = (char*)ary; |
291 | AvFILL(av) = size - 1; |
292 | AvMAX(av) = size - 1; |
79072805 |
293 | while (size--) { |
a0d0e21e |
294 | assert (*strp); |
295 | SvTEMP_off(*strp); |
79072805 |
296 | strp++; |
297 | } |
463ee0b2 |
298 | return av; |
79072805 |
299 | } |
300 | |
301 | void |
463ee0b2 |
302 | av_clear(av) |
303 | register AV *av; |
79072805 |
304 | { |
305 | register I32 key; |
a0d0e21e |
306 | SV** ary; |
79072805 |
307 | |
7d55f622 |
308 | #ifdef DEBUGGING |
309 | if (SvREFCNT(av) <= 0) { |
310 | warn("Attempt to clear deleted array"); |
311 | } |
312 | #endif |
a0d0e21e |
313 | if (!av || AvMAX(av) < 0) |
79072805 |
314 | return; |
315 | /*SUPPRESS 560*/ |
a0d0e21e |
316 | |
317 | if (AvREAL(av)) { |
318 | ary = AvARRAY(av); |
319 | key = AvFILL(av) + 1; |
320 | while (key) { |
321 | SvREFCNT_dec(ary[--key]); |
322 | ary[key] = &sv_undef; |
323 | } |
324 | } |
463ee0b2 |
325 | if (key = AvARRAY(av) - AvALLOC(av)) { |
326 | AvMAX(av) += key; |
a0d0e21e |
327 | SvPVX(av) = (char*)AvALLOC(av); |
79072805 |
328 | } |
463ee0b2 |
329 | AvFILL(av) = -1; |
79072805 |
330 | } |
331 | |
332 | void |
463ee0b2 |
333 | av_undef(av) |
334 | register AV *av; |
79072805 |
335 | { |
336 | register I32 key; |
337 | |
463ee0b2 |
338 | if (!av) |
79072805 |
339 | return; |
340 | /*SUPPRESS 560*/ |
a0d0e21e |
341 | if (AvREAL(av)) { |
342 | key = AvFILL(av) + 1; |
343 | while (key) |
344 | SvREFCNT_dec(AvARRAY(av)[--key]); |
345 | } |
463ee0b2 |
346 | Safefree(AvALLOC(av)); |
347 | AvALLOC(av) = 0; |
348 | SvPVX(av) = 0; |
349 | AvMAX(av) = AvFILL(av) = -1; |
748a9306 |
350 | if (AvARYLEN(av)) { |
351 | SvREFCNT_dec(AvARYLEN(av)); |
352 | AvARYLEN(av) = 0; |
353 | } |
79072805 |
354 | } |
355 | |
a0d0e21e |
356 | void |
463ee0b2 |
357 | av_push(av,val) |
358 | register AV *av; |
79072805 |
359 | SV *val; |
360 | { |
a0d0e21e |
361 | if (!av) |
362 | return; |
363 | av_store(av,AvFILL(av)+1,val); |
79072805 |
364 | } |
365 | |
366 | SV * |
463ee0b2 |
367 | av_pop(av) |
368 | register AV *av; |
79072805 |
369 | { |
370 | SV *retval; |
371 | |
a0d0e21e |
372 | if (!av || AvFILL(av) < 0) |
373 | return &sv_undef; |
43fcc5d2 |
374 | if (SvREADONLY(av)) |
375 | croak(no_modify); |
463ee0b2 |
376 | retval = AvARRAY(av)[AvFILL(av)]; |
a0d0e21e |
377 | AvARRAY(av)[AvFILL(av)--] = &sv_undef; |
8990e307 |
378 | if (SvSMAGICAL(av)) |
463ee0b2 |
379 | mg_set((SV*)av); |
79072805 |
380 | return retval; |
381 | } |
382 | |
383 | void |
463ee0b2 |
384 | av_unshift(av,num) |
385 | register AV *av; |
79072805 |
386 | register I32 num; |
387 | { |
388 | register I32 i; |
389 | register SV **sstr,**dstr; |
390 | |
a0d0e21e |
391 | if (!av || num <= 0) |
79072805 |
392 | return; |
43fcc5d2 |
393 | if (SvREADONLY(av)) |
394 | croak(no_modify); |
49beac48 |
395 | if (!AvREAL(av) && AvREIFY(av)) |
396 | av_reify(av); |
a0d0e21e |
397 | i = AvARRAY(av) - AvALLOC(av); |
398 | if (i) { |
399 | if (i > num) |
400 | i = num; |
401 | num -= i; |
402 | |
403 | AvMAX(av) += i; |
404 | AvFILL(av) += i; |
405 | SvPVX(av) = (char*)(AvARRAY(av) - i); |
406 | } |
407 | if (num) { |
408 | av_extend(av,AvFILL(av)+num); |
409 | AvFILL(av) += num; |
463ee0b2 |
410 | dstr = AvARRAY(av) + AvFILL(av); |
79072805 |
411 | sstr = dstr - num; |
412 | #ifdef BUGGY_MSC5 |
413 | # pragma loop_opt(off) /* don't loop-optimize the following code */ |
414 | #endif /* BUGGY_MSC5 */ |
a0d0e21e |
415 | for (i = AvFILL(av) - num; i >= 0; --i) { |
79072805 |
416 | *dstr-- = *sstr--; |
417 | #ifdef BUGGY_MSC5 |
418 | # pragma loop_opt() /* loop-optimization back to command-line setting */ |
419 | #endif /* BUGGY_MSC5 */ |
420 | } |
a0d0e21e |
421 | while (num) |
422 | AvARRAY(av)[--num] = &sv_undef; |
79072805 |
423 | } |
424 | } |
425 | |
426 | SV * |
463ee0b2 |
427 | av_shift(av) |
428 | register AV *av; |
79072805 |
429 | { |
430 | SV *retval; |
431 | |
a0d0e21e |
432 | if (!av || AvFILL(av) < 0) |
433 | return &sv_undef; |
43fcc5d2 |
434 | if (SvREADONLY(av)) |
435 | croak(no_modify); |
463ee0b2 |
436 | retval = *AvARRAY(av); |
a0d0e21e |
437 | if (AvREAL(av)) |
438 | *AvARRAY(av) = &sv_undef; |
463ee0b2 |
439 | SvPVX(av) = (char*)(AvARRAY(av) + 1); |
440 | AvMAX(av)--; |
441 | AvFILL(av)--; |
8990e307 |
442 | if (SvSMAGICAL(av)) |
463ee0b2 |
443 | mg_set((SV*)av); |
79072805 |
444 | return retval; |
445 | } |
446 | |
447 | I32 |
463ee0b2 |
448 | av_len(av) |
449 | register AV *av; |
79072805 |
450 | { |
463ee0b2 |
451 | return AvFILL(av); |
79072805 |
452 | } |
453 | |
454 | void |
463ee0b2 |
455 | av_fill(av, fill) |
456 | register AV *av; |
79072805 |
457 | I32 fill; |
458 | { |
a0d0e21e |
459 | if (!av) |
460 | croak("panic: null array"); |
79072805 |
461 | if (fill < 0) |
462 | fill = -1; |
463ee0b2 |
463 | if (fill <= AvMAX(av)) { |
a0d0e21e |
464 | I32 key = AvFILL(av); |
465 | SV** ary = AvARRAY(av); |
466 | |
467 | if (AvREAL(av)) { |
468 | while (key > fill) { |
469 | SvREFCNT_dec(ary[key]); |
470 | ary[key--] = &sv_undef; |
471 | } |
472 | } |
473 | else { |
474 | while (key < fill) |
475 | ary[++key] = &sv_undef; |
476 | } |
477 | |
463ee0b2 |
478 | AvFILL(av) = fill; |
8990e307 |
479 | if (SvSMAGICAL(av)) |
463ee0b2 |
480 | mg_set((SV*)av); |
481 | } |
a0d0e21e |
482 | else |
483 | (void)av_store(av,fill,&sv_undef); |
79072805 |
484 | } |
c750a3ec |
485 | |
486 | SV** |
487 | avhv_fetch(av, key, klen, lval) |
488 | AV *av; |
489 | char *key; |
490 | U32 klen; |
491 | I32 lval; |
492 | { |
493 | SV **keys, **indsvp; |
494 | I32 ind; |
495 | |
496 | keys = av_fetch(av, 0, FALSE); |
497 | if (!keys || !SvROK(*keys) || SvTYPE(SvRV(*keys)) != SVt_PVHV) |
498 | croak("Can't coerce array into hash"); |
499 | indsvp = hv_fetch((HV*)SvRV(*keys), key, klen, FALSE); |
500 | if (indsvp) { |
501 | ind = SvIV(*indsvp); |
502 | if (ind < 1) |
503 | croak("Bad index while coercing array into hash"); |
504 | } else { |
505 | if (!lval) |
506 | return 0; |
507 | |
508 | ind = AvFILL(av) + 1; |
509 | hv_store((HV*)SvRV(*keys), key, klen, newSViv(ind), 0); |
510 | } |
511 | return av_fetch(av, ind, lval); |
512 | } |
513 | |
514 | SV** |
97fcbf96 |
515 | avhv_fetch_ent(av, keysv, lval, hash) |
516 | AV *av; |
517 | SV *keysv; |
518 | I32 lval; |
519 | U32 hash; |
520 | { |
521 | SV **keys, **indsvp; |
522 | HE *he; |
523 | I32 ind; |
524 | |
525 | keys = av_fetch(av, 0, FALSE); |
526 | if (!keys || !SvROK(*keys) || SvTYPE(SvRV(*keys)) != SVt_PVHV) |
527 | croak("Can't coerce array into hash"); |
528 | he = hv_fetch_ent((HV*)SvRV(*keys), keysv, FALSE, hash); |
529 | if (he) { |
530 | ind = SvIV(HeVAL(he)); |
531 | if (ind < 1) |
532 | croak("Bad index while coercing array into hash"); |
533 | } else { |
534 | if (!lval) |
535 | return 0; |
536 | |
537 | ind = AvFILL(av) + 1; |
538 | hv_store_ent((HV*)SvRV(*keys), keysv, newSViv(ind), 0); |
539 | } |
540 | return av_fetch(av, ind, lval); |
541 | } |
542 | |
543 | SV** |
c750a3ec |
544 | avhv_store(av, key, klen, val, hash) |
545 | AV *av; |
546 | char *key; |
547 | U32 klen; |
548 | SV *val; |
549 | U32 hash; |
550 | { |
551 | SV **keys, **indsvp; |
552 | I32 ind; |
553 | |
554 | keys = av_fetch(av, 0, FALSE); |
555 | if (!keys || !SvROK(*keys) || SvTYPE(SvRV(*keys)) != SVt_PVHV) |
556 | croak("Can't coerce array into hash"); |
557 | indsvp = hv_fetch((HV*)SvRV(*keys), key, klen, FALSE); |
558 | if (indsvp) { |
559 | ind = SvIV(*indsvp); |
560 | if (ind < 1) |
561 | croak("Bad index while coercing array into hash"); |
562 | } else { |
563 | ind = AvFILL(av) + 1; |
564 | hv_store((HV*)SvRV(*keys), key, klen, newSViv(ind), hash); |
565 | } |
566 | return av_store(av, ind, val); |
567 | } |
568 | |
5bc6513d |
569 | SV** |
570 | avhv_store_ent(av, keysv, val, hash) |
571 | AV *av; |
572 | SV *keysv; |
573 | SV *val; |
574 | U32 hash; |
575 | { |
576 | SV **keys; |
577 | HE *he; |
578 | I32 ind; |
579 | |
580 | keys = av_fetch(av, 0, FALSE); |
581 | if (!keys || !SvROK(*keys) || SvTYPE(SvRV(*keys)) != SVt_PVHV) |
582 | croak("Can't coerce array into hash"); |
583 | he = hv_fetch_ent((HV*)SvRV(*keys), keysv, FALSE, hash); |
584 | if (he) { |
585 | ind = SvIV(HeVAL(he)); |
586 | if (ind < 1) |
587 | croak("Bad index while coercing array into hash"); |
588 | } else { |
589 | ind = AvFILL(av) + 1; |
590 | hv_store_ent((HV*)SvRV(*keys), keysv, newSViv(ind), hash); |
591 | } |
592 | return av_store(av, ind, val); |
593 | } |
594 | |
c750a3ec |
595 | bool |
97fcbf96 |
596 | avhv_exists_ent(av, keysv, hash) |
597 | AV *av; |
598 | SV *keysv; |
599 | U32 hash; |
600 | { |
601 | SV **keys; |
602 | |
603 | keys = av_fetch(av, 0, FALSE); |
604 | if (!keys || !SvROK(*keys) || SvTYPE(SvRV(*keys)) != SVt_PVHV) |
605 | croak("Can't coerce array into hash"); |
606 | return hv_exists_ent((HV*)SvRV(*keys), keysv, hash); |
607 | } |
608 | |
609 | bool |
c750a3ec |
610 | avhv_exists(av, key, klen) |
611 | AV *av; |
612 | char *key; |
613 | U32 klen; |
614 | { |
615 | SV **keys; |
616 | |
617 | keys = av_fetch(av, 0, FALSE); |
618 | if (!keys || !SvROK(*keys) || SvTYPE(SvRV(*keys)) != SVt_PVHV) |
619 | croak("Can't coerce array into hash"); |
620 | return hv_exists((HV*)SvRV(*keys), key, klen); |
621 | } |
622 | |
623 | /* avhv_delete leaks. Caller can re-index and compress if so desired. */ |
624 | SV * |
625 | avhv_delete(av, key, klen, flags) |
626 | AV *av; |
627 | char *key; |
628 | U32 klen; |
629 | I32 flags; |
630 | { |
631 | SV **keys; |
632 | SV *sv; |
633 | SV **svp; |
634 | I32 ind; |
635 | |
636 | keys = av_fetch(av, 0, FALSE); |
637 | if (!keys || !SvROK(*keys) || SvTYPE(SvRV(*keys)) != SVt_PVHV) |
638 | croak("Can't coerce array into hash"); |
639 | sv = hv_delete((HV*)SvRV(*keys), key, klen, 0); |
640 | if (!sv) |
641 | return Nullsv; |
642 | ind = SvIV(sv); |
643 | if (ind < 1) |
644 | croak("Bad index while coercing array into hash"); |
645 | svp = av_fetch(av, ind, FALSE); |
646 | if (!svp) |
647 | return Nullsv; |
648 | if (flags & G_DISCARD) { |
649 | sv = Nullsv; |
650 | SvREFCNT_dec(*svp); |
651 | } else { |
652 | sv = sv_2mortal(*svp); |
653 | } |
654 | *svp = &sv_undef; |
655 | return sv; |
656 | } |
657 | |
97fcbf96 |
658 | /* avhv_delete_ent leaks. Caller can re-index and compress if so desired. */ |
659 | SV * |
660 | avhv_delete_ent(av, keysv, flags, hash) |
661 | AV *av; |
662 | SV *keysv; |
663 | I32 flags; |
664 | U32 hash; |
665 | { |
666 | SV **keys; |
667 | SV *sv; |
668 | SV **svp; |
669 | I32 ind; |
670 | |
671 | keys = av_fetch(av, 0, FALSE); |
672 | if (!keys || !SvROK(*keys) || SvTYPE(SvRV(*keys)) != SVt_PVHV) |
673 | croak("Can't coerce array into hash"); |
674 | sv = hv_delete_ent((HV*)SvRV(*keys), keysv, 0, hash); |
675 | if (!sv) |
676 | return Nullsv; |
677 | ind = SvIV(sv); |
678 | if (ind < 1) |
679 | croak("Bad index while coercing array into hash"); |
680 | svp = av_fetch(av, ind, FALSE); |
681 | if (!svp) |
682 | return Nullsv; |
683 | if (flags & G_DISCARD) { |
684 | sv = Nullsv; |
685 | SvREFCNT_dec(*svp); |
686 | } else { |
687 | sv = sv_2mortal(*svp); |
688 | } |
689 | *svp = &sv_undef; |
690 | return sv; |
691 | } |
692 | |
c750a3ec |
693 | I32 |
694 | avhv_iterinit(av) |
695 | AV *av; |
696 | { |
697 | SV **keys; |
698 | |
699 | keys = av_fetch(av, 0, FALSE); |
700 | if (!keys || !SvROK(*keys) || SvTYPE(SvRV(*keys)) != SVt_PVHV) |
701 | croak("Can't coerce array into hash"); |
702 | return hv_iterinit((HV*)SvRV(*keys)); |
703 | } |
704 | |
705 | HE * |
706 | avhv_iternext(av) |
707 | AV *av; |
708 | { |
709 | SV **keys; |
710 | |
711 | keys = av_fetch(av, 0, FALSE); |
712 | if (!keys || !SvROK(*keys) || SvTYPE(SvRV(*keys)) != SVt_PVHV) |
713 | croak("Can't coerce array into hash"); |
714 | return hv_iternext((HV*)SvRV(*keys)); |
715 | } |
716 | |
717 | SV * |
718 | avhv_iterval(av, entry) |
719 | AV *av; |
720 | register HE *entry; |
721 | { |
722 | SV **keys; |
723 | SV *sv; |
724 | I32 ind; |
725 | |
726 | keys = av_fetch(av, 0, FALSE); |
727 | if (!keys || !SvROK(*keys) || SvTYPE(SvRV(*keys)) != SVt_PVHV) |
728 | croak("Can't coerce array into hash"); |
729 | sv = hv_iterval((HV*)SvRV(*keys), entry); |
730 | ind = SvIV(sv); |
731 | if (ind < 1) |
732 | croak("Bad index while coercing array into hash"); |
733 | return *av_fetch(av, ind, TRUE); |
734 | } |
735 | |
736 | SV * |
737 | avhv_iternextsv(av, key, retlen) |
738 | AV *av; |
739 | char **key; |
740 | I32 *retlen; |
741 | { |
742 | SV **keys; |
743 | HE *he; |
744 | SV *sv; |
745 | I32 ind; |
746 | |
747 | keys = av_fetch(av, 0, FALSE); |
748 | if (!keys || !SvROK(*keys) || SvTYPE(SvRV(*keys)) != SVt_PVHV) |
749 | croak("Can't coerce array into hash"); |
750 | if ( (he = hv_iternext((HV*)SvRV(*keys))) == NULL) |
751 | return NULL; |
752 | *key = hv_iterkey(he, retlen); |
753 | sv = hv_iterval((HV*)SvRV(*keys), he); |
754 | ind = SvIV(sv); |
755 | if (ind < 1) |
756 | croak("Bad index while coercing array into hash"); |
757 | return *av_fetch(av, ind, TRUE); |
758 | } |