Commit | Line | Data |
a0d0e21e |
1 | /* pp.c |
79072805 |
2 | * |
a0d0e21e |
3 | * Copyright (c) 1991-1994, Larry Wall |
79072805 |
4 | * |
a0d0e21e |
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. |
79072805 |
7 | * |
a0d0e21e |
8 | */ |
9 | |
10 | /* |
11 | * "It's a big house this, and very peculiar. Always a bit more to discover, |
12 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise |
13 | */ |
79072805 |
14 | |
15 | #include "EXTERN.h" |
16 | #include "perl.h" |
17 | |
a0d0e21e |
18 | static void doencodes _((SV *sv, char *s, I32 len)); |
79072805 |
19 | |
a0d0e21e |
20 | /* variations on pp_null */ |
79072805 |
21 | |
93a17b20 |
22 | PP(pp_stub) |
23 | { |
24 | dSP; |
25 | if (GIMME != G_ARRAY) { |
26 | XPUSHs(&sv_undef); |
27 | } |
28 | RETURN; |
29 | } |
30 | |
79072805 |
31 | PP(pp_scalar) |
32 | { |
33 | return NORMAL; |
34 | } |
35 | |
36 | /* Pushy stuff. */ |
37 | |
93a17b20 |
38 | PP(pp_padav) |
39 | { |
40 | dSP; dTARGET; |
a0d0e21e |
41 | if (op->op_private & OPpLVAL_INTRO) |
8990e307 |
42 | SAVECLEARSV(curpad[op->op_targ]); |
85e6fe83 |
43 | EXTEND(SP, 1); |
a0d0e21e |
44 | if (op->op_flags & OPf_REF) { |
85e6fe83 |
45 | PUSHs(TARG); |
93a17b20 |
46 | RETURN; |
85e6fe83 |
47 | } |
48 | if (GIMME == G_ARRAY) { |
49 | I32 maxarg = AvFILL((AV*)TARG) + 1; |
50 | EXTEND(SP, maxarg); |
51 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); |
52 | SP += maxarg; |
53 | } |
54 | else { |
55 | SV* sv = sv_newmortal(); |
56 | I32 maxarg = AvFILL((AV*)TARG) + 1; |
57 | sv_setiv(sv, maxarg); |
58 | PUSHs(sv); |
59 | } |
60 | RETURN; |
93a17b20 |
61 | } |
62 | |
63 | PP(pp_padhv) |
64 | { |
65 | dSP; dTARGET; |
66 | XPUSHs(TARG); |
a0d0e21e |
67 | if (op->op_private & OPpLVAL_INTRO) |
8990e307 |
68 | SAVECLEARSV(curpad[op->op_targ]); |
a0d0e21e |
69 | if (op->op_flags & OPf_REF) |
93a17b20 |
70 | RETURN; |
85e6fe83 |
71 | if (GIMME == G_ARRAY) { /* array wanted */ |
a0d0e21e |
72 | RETURNOP(do_kv(ARGS)); |
85e6fe83 |
73 | } |
74 | else { |
75 | SV* sv = sv_newmortal(); |
76 | if (HvFILL((HV*)TARG)) { |
77 | sprintf(buf, "%d/%d", HvFILL((HV*)TARG), HvMAX((HV*)TARG)+1); |
78 | sv_setpv(sv, buf); |
79 | } |
80 | else |
81 | sv_setiv(sv, 0); |
82 | SETs(sv); |
83 | RETURN; |
84 | } |
93a17b20 |
85 | } |
86 | |
ed6116ce |
87 | PP(pp_padany) |
88 | { |
89 | DIE("NOT IMPL LINE %d",__LINE__); |
90 | } |
91 | |
79072805 |
92 | /* Translations. */ |
93 | |
94 | PP(pp_rv2gv) |
95 | { |
96 | dSP; dTOPss; |
a0d0e21e |
97 | |
ed6116ce |
98 | if (SvROK(sv)) { |
a0d0e21e |
99 | wasref: |
ed6116ce |
100 | sv = SvRV(sv); |
79072805 |
101 | if (SvTYPE(sv) != SVt_PVGV) |
a0d0e21e |
102 | DIE("Not a GLOB reference"); |
79072805 |
103 | } |
104 | else { |
93a17b20 |
105 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 |
106 | char *sym; |
107 | |
a0d0e21e |
108 | if (SvGMAGICAL(sv)) { |
109 | mg_get(sv); |
110 | if (SvROK(sv)) |
111 | goto wasref; |
112 | } |
113 | if (!SvOK(sv)) { |
114 | if (op->op_flags & OPf_REF || |
115 | op->op_private & HINT_STRICT_REFS) |
116 | DIE(no_usym, "a symbol"); |
117 | RETSETUNDEF; |
118 | } |
748a9306 |
119 | sym = SvPV(sv, na); |
85e6fe83 |
120 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 |
121 | DIE(no_symref, sym, "a symbol"); |
122 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
93a17b20 |
123 | } |
79072805 |
124 | } |
a0d0e21e |
125 | if (op->op_private & OPpLVAL_INTRO) { |
79072805 |
126 | GP *ogp = GvGP(sv); |
127 | |
128 | SSCHECK(3); |
4633a7c4 |
129 | SSPUSHPTR(SvREFCNT_inc(sv)); |
79072805 |
130 | SSPUSHPTR(ogp); |
131 | SSPUSHINT(SAVEt_GP); |
132 | |
a0d0e21e |
133 | if (op->op_flags & OPf_SPECIAL) { |
79072805 |
134 | GvGP(sv)->gp_refcnt++; /* will soon be assigned */ |
a5f75d66 |
135 | GvINTRO_on(sv); |
a0d0e21e |
136 | } |
79072805 |
137 | else { |
138 | GP *gp; |
139 | Newz(602,gp, 1, GP); |
140 | GvGP(sv) = gp; |
141 | GvREFCNT(sv) = 1; |
142 | GvSV(sv) = NEWSV(72,0); |
143 | GvLINE(sv) = curcop->cop_line; |
144 | GvEGV(sv) = sv; |
145 | } |
146 | } |
147 | SETs(sv); |
148 | RETURN; |
149 | } |
150 | |
79072805 |
151 | PP(pp_rv2sv) |
152 | { |
153 | dSP; dTOPss; |
154 | |
ed6116ce |
155 | if (SvROK(sv)) { |
a0d0e21e |
156 | wasref: |
ed6116ce |
157 | sv = SvRV(sv); |
79072805 |
158 | switch (SvTYPE(sv)) { |
159 | case SVt_PVAV: |
160 | case SVt_PVHV: |
161 | case SVt_PVCV: |
a0d0e21e |
162 | DIE("Not a SCALAR reference"); |
79072805 |
163 | } |
164 | } |
165 | else { |
463ee0b2 |
166 | GV *gv = sv; |
748a9306 |
167 | char *sym; |
168 | |
463ee0b2 |
169 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e |
170 | if (SvGMAGICAL(sv)) { |
171 | mg_get(sv); |
172 | if (SvROK(sv)) |
173 | goto wasref; |
174 | } |
175 | if (!SvOK(sv)) { |
176 | if (op->op_flags & OPf_REF || |
177 | op->op_private & HINT_STRICT_REFS) |
178 | DIE(no_usym, "a SCALAR"); |
179 | RETSETUNDEF; |
180 | } |
748a9306 |
181 | sym = SvPV(sv, na); |
85e6fe83 |
182 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 |
183 | DIE(no_symref, sym, "a SCALAR"); |
184 | gv = (SV*)gv_fetchpv(sym, TRUE, SVt_PV); |
463ee0b2 |
185 | } |
186 | sv = GvSV(gv); |
a0d0e21e |
187 | } |
188 | if (op->op_flags & OPf_MOD) { |
189 | if (op->op_private & OPpLVAL_INTRO) |
190 | sv = save_scalar((GV*)TOPs); |
464e2e8a |
191 | else if (op->op_private & (OPpDEREF_HV|OPpDEREF_AV)) |
192 | provide_ref(op, sv); |
79072805 |
193 | } |
a0d0e21e |
194 | SETs(sv); |
79072805 |
195 | RETURN; |
196 | } |
197 | |
198 | PP(pp_av2arylen) |
199 | { |
200 | dSP; |
201 | AV *av = (AV*)TOPs; |
202 | SV *sv = AvARYLEN(av); |
203 | if (!sv) { |
204 | AvARYLEN(av) = sv = NEWSV(0,0); |
205 | sv_upgrade(sv, SVt_IV); |
206 | sv_magic(sv, (SV*)av, '#', Nullch, 0); |
207 | } |
208 | SETs(sv); |
209 | RETURN; |
210 | } |
211 | |
a0d0e21e |
212 | PP(pp_pos) |
213 | { |
214 | dSP; dTARGET; dPOPss; |
215 | |
216 | if (op->op_flags & OPf_MOD) { |
217 | LvTYPE(TARG) = '<'; |
218 | LvTARG(TARG) = sv; |
219 | PUSHs(TARG); /* no SvSETMAGIC */ |
220 | RETURN; |
221 | } |
222 | else { |
223 | MAGIC* mg; |
224 | |
225 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
226 | mg = mg_find(sv, 'g'); |
227 | if (mg && mg->mg_len >= 0) { |
228 | PUSHi(mg->mg_len + curcop->cop_arybase); |
229 | RETURN; |
230 | } |
231 | } |
232 | RETPUSHUNDEF; |
233 | } |
234 | } |
235 | |
79072805 |
236 | PP(pp_rv2cv) |
237 | { |
238 | dSP; |
79072805 |
239 | GV *gv; |
240 | HV *stash; |
8990e307 |
241 | |
4633a7c4 |
242 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
243 | /* (But not in defined().) */ |
244 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(op->op_flags & OPf_SPECIAL)); |
79072805 |
245 | |
4633a7c4 |
246 | if (!cv) |
247 | cv = (CV*)&sv_undef; |
79072805 |
248 | SETs((SV*)cv); |
249 | RETURN; |
250 | } |
251 | |
c07a80fd |
252 | PP(pp_prototype) |
253 | { |
254 | dSP; |
255 | CV *cv; |
256 | HV *stash; |
257 | GV *gv; |
258 | SV *ret; |
259 | |
260 | ret = &sv_undef; |
261 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
262 | if (cv && SvPOK(cv)) { |
263 | char *p = SvPVX(cv); |
264 | ret = sv_2mortal(newSVpv(p ? p : "", SvLEN(cv))); |
265 | } |
266 | SETs(ret); |
267 | RETURN; |
268 | } |
269 | |
a0d0e21e |
270 | PP(pp_anoncode) |
271 | { |
272 | dSP; |
748a9306 |
273 | CV* cv = (CV*)cSVOP->op_sv; |
274 | EXTEND(SP,1); |
275 | |
a5f75d66 |
276 | if (CvCLONE(cv)) |
b355b4e0 |
277 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
748a9306 |
278 | |
279 | PUSHs((SV*)cv); |
a0d0e21e |
280 | RETURN; |
281 | } |
282 | |
283 | PP(pp_srefgen) |
79072805 |
284 | { |
285 | dSP; dTOPss; |
286 | SV* rv; |
8990e307 |
287 | rv = sv_newmortal(); |
ed6116ce |
288 | sv_upgrade(rv, SVt_RV); |
a0d0e21e |
289 | if (SvPADTMP(sv)) |
290 | sv = newSVsv(sv); |
291 | else { |
292 | SvTEMP_off(sv); |
293 | (void)SvREFCNT_inc(sv); |
294 | } |
295 | SvRV(rv) = sv; |
ed6116ce |
296 | SvROK_on(rv); |
79072805 |
297 | SETs(rv); |
298 | RETURN; |
a0d0e21e |
299 | } |
300 | |
301 | PP(pp_refgen) |
302 | { |
303 | dSP; dMARK; |
304 | SV* sv; |
305 | SV* rv; |
306 | if (GIMME != G_ARRAY) { |
307 | MARK[1] = *SP; |
308 | SP = MARK + 1; |
309 | } |
310 | while (MARK < SP) { |
311 | sv = *++MARK; |
312 | rv = sv_newmortal(); |
313 | sv_upgrade(rv, SVt_RV); |
314 | if (SvPADTMP(sv)) |
315 | sv = newSVsv(sv); |
316 | else { |
317 | SvTEMP_off(sv); |
318 | (void)SvREFCNT_inc(sv); |
319 | } |
320 | SvRV(rv) = sv; |
321 | SvROK_on(rv); |
322 | *MARK = rv; |
323 | } |
324 | RETURN; |
79072805 |
325 | } |
326 | |
327 | PP(pp_ref) |
328 | { |
463ee0b2 |
329 | dSP; dTARGET; |
330 | SV *sv; |
79072805 |
331 | char *pv; |
332 | |
a0d0e21e |
333 | sv = POPs; |
334 | if (!sv || !SvROK(sv)) |
4633a7c4 |
335 | RETPUSHNO; |
79072805 |
336 | |
ed6116ce |
337 | sv = SvRV(sv); |
a0d0e21e |
338 | pv = sv_reftype(sv,TRUE); |
463ee0b2 |
339 | PUSHp(pv, strlen(pv)); |
79072805 |
340 | RETURN; |
341 | } |
342 | |
343 | PP(pp_bless) |
344 | { |
463ee0b2 |
345 | dSP; |
463ee0b2 |
346 | HV *stash; |
79072805 |
347 | |
463ee0b2 |
348 | if (MAXARG == 1) |
349 | stash = curcop->cop_stash; |
350 | else |
a0d0e21e |
351 | stash = gv_stashsv(POPs, TRUE); |
352 | |
353 | (void)sv_bless(TOPs, stash); |
79072805 |
354 | RETURN; |
355 | } |
356 | |
a0d0e21e |
357 | /* Pattern matching */ |
79072805 |
358 | |
a0d0e21e |
359 | PP(pp_study) |
79072805 |
360 | { |
c07a80fd |
361 | dSP; dPOPss; |
a0d0e21e |
362 | register unsigned char *s; |
363 | register I32 pos; |
364 | register I32 ch; |
365 | register I32 *sfirst; |
366 | register I32 *snext; |
367 | I32 retval; |
368 | STRLEN len; |
369 | |
c07a80fd |
370 | s = (unsigned char*)(SvPV(sv, len)); |
a0d0e21e |
371 | pos = len; |
c07a80fd |
372 | if (sv == lastscream) |
373 | SvSCREAM_off(sv); |
374 | else { |
375 | if (lastscream) { |
376 | SvSCREAM_off(lastscream); |
377 | SvREFCNT_dec(lastscream); |
378 | } |
379 | lastscream = SvREFCNT_inc(sv); |
380 | } |
a0d0e21e |
381 | if (pos <= 0) { |
382 | retval = 0; |
383 | goto ret; |
384 | } |
385 | if (pos > maxscream) { |
386 | if (maxscream < 0) { |
387 | maxscream = pos + 80; |
388 | New(301, screamfirst, 256, I32); |
389 | New(302, screamnext, maxscream, I32); |
79072805 |
390 | } |
391 | else { |
a0d0e21e |
392 | maxscream = pos + pos / 4; |
393 | Renew(screamnext, maxscream, I32); |
79072805 |
394 | } |
79072805 |
395 | } |
a0d0e21e |
396 | |
397 | sfirst = screamfirst; |
398 | snext = screamnext; |
399 | |
400 | if (!sfirst || !snext) |
401 | DIE("do_study: out of memory"); |
402 | |
403 | for (ch = 256; ch; --ch) |
404 | *sfirst++ = -1; |
405 | sfirst -= 256; |
406 | |
407 | while (--pos >= 0) { |
408 | ch = s[pos]; |
409 | if (sfirst[ch] >= 0) |
410 | snext[pos] = sfirst[ch] - pos; |
411 | else |
412 | snext[pos] = -pos; |
413 | sfirst[ch] = pos; |
414 | |
415 | /* If there were any case insensitive searches, we must assume they |
416 | * all are. This speeds up insensitive searches much more than |
417 | * it slows down sensitive ones. |
418 | */ |
419 | if (sawi) |
420 | sfirst[fold[ch]] = pos; |
79072805 |
421 | } |
422 | |
c07a80fd |
423 | SvSCREAM_on(sv); |
464e2e8a |
424 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
a0d0e21e |
425 | retval = 1; |
426 | ret: |
427 | XPUSHs(sv_2mortal(newSViv((I32)retval))); |
79072805 |
428 | RETURN; |
429 | } |
430 | |
a0d0e21e |
431 | PP(pp_trans) |
79072805 |
432 | { |
a0d0e21e |
433 | dSP; dTARG; |
434 | SV *sv; |
435 | |
436 | if (op->op_flags & OPf_STACKED) |
437 | sv = POPs; |
79072805 |
438 | else { |
a0d0e21e |
439 | sv = GvSV(defgv); |
440 | EXTEND(SP,1); |
79072805 |
441 | } |
adbc6bb1 |
442 | TARG = sv_newmortal(); |
a0d0e21e |
443 | PUSHi(do_trans(sv, op)); |
444 | RETURN; |
79072805 |
445 | } |
446 | |
a0d0e21e |
447 | /* Lvalue operators. */ |
79072805 |
448 | |
a0d0e21e |
449 | PP(pp_schop) |
450 | { |
451 | dSP; dTARGET; |
452 | do_chop(TARG, TOPs); |
453 | SETTARG; |
454 | RETURN; |
79072805 |
455 | } |
456 | |
a0d0e21e |
457 | PP(pp_chop) |
79072805 |
458 | { |
a0d0e21e |
459 | dSP; dMARK; dTARGET; |
460 | while (SP > MARK) |
461 | do_chop(TARG, POPs); |
462 | PUSHTARG; |
463 | RETURN; |
79072805 |
464 | } |
465 | |
a0d0e21e |
466 | PP(pp_schomp) |
79072805 |
467 | { |
a0d0e21e |
468 | dSP; dTARGET; |
469 | SETi(do_chomp(TOPs)); |
470 | RETURN; |
79072805 |
471 | } |
472 | |
a0d0e21e |
473 | PP(pp_chomp) |
79072805 |
474 | { |
a0d0e21e |
475 | dSP; dMARK; dTARGET; |
476 | register I32 count = 0; |
477 | |
478 | while (SP > MARK) |
479 | count += do_chomp(POPs); |
480 | PUSHi(count); |
481 | RETURN; |
79072805 |
482 | } |
483 | |
a0d0e21e |
484 | PP(pp_defined) |
463ee0b2 |
485 | { |
a0d0e21e |
486 | dSP; |
487 | register SV* sv; |
488 | |
489 | sv = POPs; |
490 | if (!sv || !SvANY(sv)) |
491 | RETPUSHNO; |
492 | switch (SvTYPE(sv)) { |
493 | case SVt_PVAV: |
8e07c86e |
494 | if (AvMAX(sv) >= 0 || SvRMAGICAL(sv)) |
a0d0e21e |
495 | RETPUSHYES; |
496 | break; |
497 | case SVt_PVHV: |
8e07c86e |
498 | if (HvARRAY(sv) || SvRMAGICAL(sv)) |
a0d0e21e |
499 | RETPUSHYES; |
500 | break; |
501 | case SVt_PVCV: |
502 | if (CvROOT(sv) || CvXSUB(sv)) |
503 | RETPUSHYES; |
504 | break; |
505 | default: |
506 | if (SvGMAGICAL(sv)) |
507 | mg_get(sv); |
508 | if (SvOK(sv)) |
509 | RETPUSHYES; |
510 | } |
511 | RETPUSHNO; |
463ee0b2 |
512 | } |
513 | |
a0d0e21e |
514 | PP(pp_undef) |
515 | { |
79072805 |
516 | dSP; |
a0d0e21e |
517 | SV *sv; |
518 | |
519 | if (!op->op_private) |
520 | RETPUSHUNDEF; |
79072805 |
521 | |
a0d0e21e |
522 | sv = POPs; |
523 | if (!sv) |
524 | RETPUSHUNDEF; |
85e6fe83 |
525 | |
a0d0e21e |
526 | if (SvTHINKFIRST(sv)) { |
527 | if (SvREADONLY(sv)) |
528 | RETPUSHUNDEF; |
529 | if (SvROK(sv)) |
530 | sv_unref(sv); |
85e6fe83 |
531 | } |
532 | |
a0d0e21e |
533 | switch (SvTYPE(sv)) { |
534 | case SVt_NULL: |
535 | break; |
536 | case SVt_PVAV: |
537 | av_undef((AV*)sv); |
538 | break; |
539 | case SVt_PVHV: |
540 | hv_undef((HV*)sv); |
541 | break; |
542 | case SVt_PVCV: |
543 | cv_undef((CV*)sv); |
544 | sub_generation++; |
545 | break; |
8e07c86e |
546 | case SVt_PVGV: |
547 | if (SvFAKE(sv)) { |
548 | sv_setsv(sv, &sv_undef); |
549 | break; |
550 | } |
a0d0e21e |
551 | default: |
4633a7c4 |
552 | if (SvPOK(sv) && SvLEN(sv)) { |
553 | (void)SvOOK_off(sv); |
554 | Safefree(SvPVX(sv)); |
555 | SvPV_set(sv, Nullch); |
556 | SvLEN_set(sv, 0); |
a0d0e21e |
557 | } |
4633a7c4 |
558 | (void)SvOK_off(sv); |
559 | SvSETMAGIC(sv); |
79072805 |
560 | } |
a0d0e21e |
561 | |
562 | RETPUSHUNDEF; |
79072805 |
563 | } |
564 | |
a0d0e21e |
565 | PP(pp_predec) |
79072805 |
566 | { |
a0d0e21e |
567 | dSP; |
748a9306 |
568 | if (SvIOK(TOPs)) { |
569 | --SvIVX(TOPs); |
570 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
571 | } |
572 | else |
573 | sv_dec(TOPs); |
a0d0e21e |
574 | SvSETMAGIC(TOPs); |
575 | return NORMAL; |
576 | } |
79072805 |
577 | |
a0d0e21e |
578 | PP(pp_postinc) |
579 | { |
580 | dSP; dTARGET; |
581 | sv_setsv(TARG, TOPs); |
748a9306 |
582 | if (SvIOK(TOPs)) { |
583 | ++SvIVX(TOPs); |
584 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
585 | } |
586 | else |
587 | sv_inc(TOPs); |
a0d0e21e |
588 | SvSETMAGIC(TOPs); |
589 | if (!SvOK(TARG)) |
590 | sv_setiv(TARG, 0); |
591 | SETs(TARG); |
592 | return NORMAL; |
593 | } |
79072805 |
594 | |
a0d0e21e |
595 | PP(pp_postdec) |
596 | { |
597 | dSP; dTARGET; |
598 | sv_setsv(TARG, TOPs); |
748a9306 |
599 | if (SvIOK(TOPs)) { |
600 | --SvIVX(TOPs); |
601 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
602 | } |
603 | else |
604 | sv_dec(TOPs); |
a0d0e21e |
605 | SvSETMAGIC(TOPs); |
606 | SETs(TARG); |
607 | return NORMAL; |
608 | } |
79072805 |
609 | |
a0d0e21e |
610 | /* Ordinary operators. */ |
611 | |
612 | PP(pp_pow) |
613 | { |
614 | dSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
615 | { |
616 | dPOPTOPnnrl; |
617 | SETn( pow( left, right) ); |
618 | RETURN; |
93a17b20 |
619 | } |
a0d0e21e |
620 | } |
621 | |
622 | PP(pp_multiply) |
623 | { |
624 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
625 | { |
626 | dPOPTOPnnrl; |
627 | SETn( left * right ); |
628 | RETURN; |
79072805 |
629 | } |
a0d0e21e |
630 | } |
631 | |
632 | PP(pp_divide) |
633 | { |
634 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
635 | { |
636 | dPOPnv; |
637 | if (value == 0.0) |
638 | DIE("Illegal division by zero"); |
639 | #ifdef SLOPPYDIVIDE |
640 | /* insure that 20./5. == 4. */ |
641 | { |
642 | double x; |
643 | I32 k; |
644 | x = POPn; |
645 | if ((double)I_32(x) == x && |
646 | (double)I_32(value) == value && |
647 | (k = I_32(x)/I_32(value))*I_32(value) == I_32(x)) { |
648 | value = k; |
649 | } else { |
650 | value = x/value; |
79072805 |
651 | } |
a0d0e21e |
652 | } |
653 | #else |
654 | value = POPn / value; |
655 | #endif |
656 | PUSHn( value ); |
657 | RETURN; |
79072805 |
658 | } |
a0d0e21e |
659 | } |
660 | |
661 | PP(pp_modulo) |
662 | { |
663 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
664 | { |
665 | register unsigned long tmpulong; |
666 | register long tmplong; |
667 | I32 value; |
668 | |
669 | tmpulong = (unsigned long) POPn; |
670 | if (tmpulong == 0L) |
671 | DIE("Illegal modulus zero"); |
672 | value = TOPn; |
673 | if (value >= 0.0) |
674 | value = (I32)(((unsigned long)value) % tmpulong); |
675 | else { |
676 | tmplong = (long)value; |
677 | value = (I32)(tmpulong - ((-tmplong - 1) % tmpulong)) - 1; |
678 | } |
679 | SETi(value); |
680 | RETURN; |
79072805 |
681 | } |
a0d0e21e |
682 | } |
79072805 |
683 | |
a0d0e21e |
684 | PP(pp_repeat) |
685 | { |
748a9306 |
686 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
687 | { |
a0d0e21e |
688 | register I32 count = POPi; |
689 | if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) { |
690 | dMARK; |
691 | I32 items = SP - MARK; |
692 | I32 max; |
79072805 |
693 | |
a0d0e21e |
694 | max = items * count; |
695 | MEXTEND(MARK, max); |
696 | if (count > 1) { |
697 | while (SP > MARK) { |
698 | if (*SP) |
699 | SvTEMP_off((*SP)); |
700 | SP--; |
79072805 |
701 | } |
a0d0e21e |
702 | MARK++; |
703 | repeatcpy((char*)(MARK + items), (char*)MARK, |
704 | items * sizeof(SV*), count - 1); |
705 | SP += max; |
79072805 |
706 | } |
a0d0e21e |
707 | else if (count <= 0) |
708 | SP -= items; |
79072805 |
709 | } |
a0d0e21e |
710 | else { /* Note: mark already snarfed by pp_list */ |
711 | SV *tmpstr; |
712 | STRLEN len; |
713 | |
714 | tmpstr = POPs; |
715 | if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) { |
716 | if (SvREADONLY(tmpstr) && curcop != &compiling) |
717 | DIE("Can't x= to readonly value"); |
718 | if (SvROK(tmpstr)) |
719 | sv_unref(tmpstr); |
93a17b20 |
720 | } |
a0d0e21e |
721 | SvSetSV(TARG, tmpstr); |
722 | SvPV_force(TARG, len); |
723 | if (count >= 1) { |
724 | SvGROW(TARG, (count * len) + 1); |
725 | if (count > 1) |
726 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
727 | SvCUR(TARG) *= count; |
728 | *SvEND(TARG) = '\0'; |
729 | (void)SvPOK_only(TARG); |
730 | } |
731 | else |
732 | sv_setsv(TARG, &sv_no); |
733 | PUSHTARG; |
79072805 |
734 | } |
a0d0e21e |
735 | RETURN; |
748a9306 |
736 | } |
a0d0e21e |
737 | } |
79072805 |
738 | |
a0d0e21e |
739 | PP(pp_subtract) |
740 | { |
741 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
742 | { |
743 | dPOPTOPnnrl; |
744 | SETn( left - right ); |
745 | RETURN; |
79072805 |
746 | } |
a0d0e21e |
747 | } |
79072805 |
748 | |
a0d0e21e |
749 | PP(pp_left_shift) |
750 | { |
751 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
752 | { |
748a9306 |
753 | dPOPTOPiirl; |
754 | SETi( left << right ); |
755 | RETURN; |
79072805 |
756 | } |
a0d0e21e |
757 | } |
79072805 |
758 | |
a0d0e21e |
759 | PP(pp_right_shift) |
760 | { |
761 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
762 | { |
763 | dPOPTOPiirl; |
764 | SETi( left >> right ); |
765 | RETURN; |
93a17b20 |
766 | } |
79072805 |
767 | } |
768 | |
a0d0e21e |
769 | PP(pp_lt) |
79072805 |
770 | { |
a0d0e21e |
771 | dSP; tryAMAGICbinSET(lt,0); |
772 | { |
773 | dPOPnv; |
774 | SETs((TOPn < value) ? &sv_yes : &sv_no); |
775 | RETURN; |
79072805 |
776 | } |
a0d0e21e |
777 | } |
79072805 |
778 | |
a0d0e21e |
779 | PP(pp_gt) |
780 | { |
781 | dSP; tryAMAGICbinSET(gt,0); |
782 | { |
783 | dPOPnv; |
784 | SETs((TOPn > value) ? &sv_yes : &sv_no); |
785 | RETURN; |
79072805 |
786 | } |
a0d0e21e |
787 | } |
788 | |
789 | PP(pp_le) |
790 | { |
791 | dSP; tryAMAGICbinSET(le,0); |
792 | { |
793 | dPOPnv; |
794 | SETs((TOPn <= value) ? &sv_yes : &sv_no); |
795 | RETURN; |
79072805 |
796 | } |
a0d0e21e |
797 | } |
798 | |
799 | PP(pp_ge) |
800 | { |
801 | dSP; tryAMAGICbinSET(ge,0); |
802 | { |
803 | dPOPnv; |
804 | SETs((TOPn >= value) ? &sv_yes : &sv_no); |
805 | RETURN; |
79072805 |
806 | } |
a0d0e21e |
807 | } |
79072805 |
808 | |
a0d0e21e |
809 | PP(pp_ne) |
810 | { |
811 | dSP; tryAMAGICbinSET(ne,0); |
812 | { |
813 | dPOPnv; |
814 | SETs((TOPn != value) ? &sv_yes : &sv_no); |
815 | RETURN; |
816 | } |
79072805 |
817 | } |
818 | |
a0d0e21e |
819 | PP(pp_ncmp) |
79072805 |
820 | { |
a0d0e21e |
821 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
822 | { |
823 | dPOPTOPnnrl; |
824 | I32 value; |
79072805 |
825 | |
a0d0e21e |
826 | if (left > right) |
827 | value = 1; |
828 | else if (left < right) |
829 | value = -1; |
830 | else |
831 | value = 0; |
832 | SETi(value); |
833 | RETURN; |
79072805 |
834 | } |
a0d0e21e |
835 | } |
79072805 |
836 | |
a0d0e21e |
837 | PP(pp_slt) |
838 | { |
839 | dSP; tryAMAGICbinSET(slt,0); |
840 | { |
841 | dPOPTOPssrl; |
842 | SETs( sv_cmp(left, right) < 0 ? &sv_yes : &sv_no ); |
843 | RETURN; |
844 | } |
79072805 |
845 | } |
846 | |
a0d0e21e |
847 | PP(pp_sgt) |
79072805 |
848 | { |
a0d0e21e |
849 | dSP; tryAMAGICbinSET(sgt,0); |
850 | { |
851 | dPOPTOPssrl; |
852 | SETs( sv_cmp(left, right) > 0 ? &sv_yes : &sv_no ); |
853 | RETURN; |
854 | } |
855 | } |
79072805 |
856 | |
a0d0e21e |
857 | PP(pp_sle) |
858 | { |
859 | dSP; tryAMAGICbinSET(sle,0); |
860 | { |
861 | dPOPTOPssrl; |
862 | SETs( sv_cmp(left, right) <= 0 ? &sv_yes : &sv_no ); |
863 | RETURN; |
79072805 |
864 | } |
79072805 |
865 | } |
866 | |
a0d0e21e |
867 | PP(pp_sge) |
868 | { |
869 | dSP; tryAMAGICbinSET(sge,0); |
870 | { |
871 | dPOPTOPssrl; |
872 | SETs( sv_cmp(left, right) >= 0 ? &sv_yes : &sv_no ); |
873 | RETURN; |
874 | } |
875 | } |
79072805 |
876 | |
a0d0e21e |
877 | PP(pp_sne) |
79072805 |
878 | { |
a0d0e21e |
879 | dSP; tryAMAGICbinSET(sne,0); |
880 | { |
881 | dPOPTOPssrl; |
882 | SETs( !sv_eq(left, right) ? &sv_yes : &sv_no ); |
883 | RETURN; |
463ee0b2 |
884 | } |
79072805 |
885 | } |
886 | |
a0d0e21e |
887 | PP(pp_scmp) |
79072805 |
888 | { |
a0d0e21e |
889 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
890 | { |
891 | dPOPTOPssrl; |
892 | SETi( sv_cmp(left, right) ); |
893 | RETURN; |
894 | } |
895 | } |
79072805 |
896 | |
a0d0e21e |
897 | PP(pp_bit_and) { |
898 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
899 | { |
900 | dPOPTOPssrl; |
4633a7c4 |
901 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
902 | unsigned long value = U_L(SvNV(left)); |
903 | value = value & U_L(SvNV(right)); |
904 | SETn((double)value); |
905 | } |
906 | else { |
907 | do_vop(op->op_type, TARG, left, right); |
908 | SETTARG; |
909 | } |
910 | RETURN; |
911 | } |
912 | } |
79072805 |
913 | |
a0d0e21e |
914 | PP(pp_bit_xor) |
915 | { |
916 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
917 | { |
918 | dPOPTOPssrl; |
4633a7c4 |
919 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
920 | unsigned long value = U_L(SvNV(left)); |
921 | value = value ^ U_L(SvNV(right)); |
922 | SETn((double)value); |
923 | } |
924 | else { |
925 | do_vop(op->op_type, TARG, left, right); |
926 | SETTARG; |
927 | } |
928 | RETURN; |
929 | } |
930 | } |
79072805 |
931 | |
a0d0e21e |
932 | PP(pp_bit_or) |
933 | { |
934 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
935 | { |
936 | dPOPTOPssrl; |
4633a7c4 |
937 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
938 | unsigned long value = U_L(SvNV(left)); |
939 | value = value | U_L(SvNV(right)); |
940 | SETn((double)value); |
941 | } |
942 | else { |
943 | do_vop(op->op_type, TARG, left, right); |
944 | SETTARG; |
945 | } |
946 | RETURN; |
79072805 |
947 | } |
a0d0e21e |
948 | } |
79072805 |
949 | |
a0d0e21e |
950 | PP(pp_negate) |
951 | { |
952 | dSP; dTARGET; tryAMAGICun(neg); |
953 | { |
954 | dTOPss; |
4633a7c4 |
955 | if (SvGMAGICAL(sv)) |
956 | mg_get(sv); |
957 | if (SvNIOKp(sv)) |
a0d0e21e |
958 | SETn(-SvNV(sv)); |
4633a7c4 |
959 | else if (SvPOKp(sv)) { |
a0d0e21e |
960 | STRLEN len; |
961 | char *s = SvPV(sv, len); |
962 | if (isALPHA(*s) || *s == '_') { |
963 | sv_setpvn(TARG, "-", 1); |
964 | sv_catsv(TARG, sv); |
79072805 |
965 | } |
a0d0e21e |
966 | else if (*s == '+' || *s == '-') { |
967 | sv_setsv(TARG, sv); |
968 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; |
79072805 |
969 | } |
970 | else |
a0d0e21e |
971 | sv_setnv(TARG, -SvNV(sv)); |
972 | SETTARG; |
79072805 |
973 | } |
4633a7c4 |
974 | else |
975 | SETn(-SvNV(sv)); |
79072805 |
976 | } |
a0d0e21e |
977 | RETURN; |
79072805 |
978 | } |
979 | |
a0d0e21e |
980 | PP(pp_not) |
79072805 |
981 | { |
a0d0e21e |
982 | #ifdef OVERLOAD |
983 | dSP; tryAMAGICunSET(not); |
984 | #endif /* OVERLOAD */ |
985 | *stack_sp = SvTRUE(*stack_sp) ? &sv_no : &sv_yes; |
986 | return NORMAL; |
79072805 |
987 | } |
988 | |
a0d0e21e |
989 | PP(pp_complement) |
79072805 |
990 | { |
a0d0e21e |
991 | dSP; dTARGET; tryAMAGICun(compl); |
992 | { |
993 | dTOPss; |
994 | register I32 anum; |
995 | |
4633a7c4 |
996 | if (SvNIOKp(sv)) { |
748a9306 |
997 | IV iv = ~SvIV(sv); |
998 | if (iv < 0) |
999 | SETn( (double) ~U_L(SvNV(sv)) ); |
1000 | else |
1001 | SETi( iv ); |
a0d0e21e |
1002 | } |
1003 | else { |
1004 | register char *tmps; |
1005 | register long *tmpl; |
1006 | STRLEN len; |
1007 | |
1008 | SvSetSV(TARG, sv); |
1009 | tmps = SvPV_force(TARG, len); |
1010 | anum = len; |
1011 | #ifdef LIBERAL |
1012 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) |
1013 | *tmps = ~*tmps; |
1014 | tmpl = (long*)tmps; |
1015 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) |
1016 | *tmpl = ~*tmpl; |
1017 | tmps = (char*)tmpl; |
1018 | #endif |
1019 | for ( ; anum > 0; anum--, tmps++) |
1020 | *tmps = ~*tmps; |
1021 | |
1022 | SETs(TARG); |
1023 | } |
1024 | RETURN; |
1025 | } |
79072805 |
1026 | } |
1027 | |
a0d0e21e |
1028 | /* integer versions of some of the above */ |
1029 | |
a0d0e21e |
1030 | PP(pp_i_multiply) |
79072805 |
1031 | { |
a0d0e21e |
1032 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
1033 | { |
1034 | dPOPTOPiirl; |
1035 | SETi( left * right ); |
1036 | RETURN; |
1037 | } |
79072805 |
1038 | } |
1039 | |
a0d0e21e |
1040 | PP(pp_i_divide) |
79072805 |
1041 | { |
a0d0e21e |
1042 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
1043 | { |
1044 | dPOPiv; |
1045 | if (value == 0) |
1046 | DIE("Illegal division by zero"); |
1047 | value = POPi / value; |
1048 | PUSHi( value ); |
1049 | RETURN; |
1050 | } |
79072805 |
1051 | } |
1052 | |
a0d0e21e |
1053 | PP(pp_i_modulo) |
79072805 |
1054 | { |
a0d0e21e |
1055 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
79072805 |
1056 | { |
a0d0e21e |
1057 | dPOPTOPiirl; |
1058 | SETi( left % right ); |
1059 | RETURN; |
79072805 |
1060 | } |
79072805 |
1061 | } |
1062 | |
a0d0e21e |
1063 | PP(pp_i_add) |
79072805 |
1064 | { |
a0d0e21e |
1065 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
1066 | { |
1067 | dPOPTOPiirl; |
1068 | SETi( left + right ); |
1069 | RETURN; |
79072805 |
1070 | } |
79072805 |
1071 | } |
1072 | |
a0d0e21e |
1073 | PP(pp_i_subtract) |
79072805 |
1074 | { |
a0d0e21e |
1075 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
1076 | { |
1077 | dPOPTOPiirl; |
1078 | SETi( left - right ); |
1079 | RETURN; |
79072805 |
1080 | } |
79072805 |
1081 | } |
1082 | |
a0d0e21e |
1083 | PP(pp_i_lt) |
79072805 |
1084 | { |
a0d0e21e |
1085 | dSP; tryAMAGICbinSET(lt,0); |
1086 | { |
1087 | dPOPTOPiirl; |
1088 | SETs((left < right) ? &sv_yes : &sv_no); |
1089 | RETURN; |
1090 | } |
79072805 |
1091 | } |
1092 | |
a0d0e21e |
1093 | PP(pp_i_gt) |
79072805 |
1094 | { |
a0d0e21e |
1095 | dSP; tryAMAGICbinSET(gt,0); |
1096 | { |
1097 | dPOPTOPiirl; |
1098 | SETs((left > right) ? &sv_yes : &sv_no); |
1099 | RETURN; |
1100 | } |
79072805 |
1101 | } |
1102 | |
a0d0e21e |
1103 | PP(pp_i_le) |
79072805 |
1104 | { |
a0d0e21e |
1105 | dSP; tryAMAGICbinSET(le,0); |
1106 | { |
1107 | dPOPTOPiirl; |
1108 | SETs((left <= right) ? &sv_yes : &sv_no); |
1109 | RETURN; |
85e6fe83 |
1110 | } |
79072805 |
1111 | } |
1112 | |
a0d0e21e |
1113 | PP(pp_i_ge) |
79072805 |
1114 | { |
a0d0e21e |
1115 | dSP; tryAMAGICbinSET(ge,0); |
1116 | { |
1117 | dPOPTOPiirl; |
1118 | SETs((left >= right) ? &sv_yes : &sv_no); |
1119 | RETURN; |
1120 | } |
79072805 |
1121 | } |
1122 | |
a0d0e21e |
1123 | PP(pp_i_eq) |
79072805 |
1124 | { |
a0d0e21e |
1125 | dSP; tryAMAGICbinSET(eq,0); |
1126 | { |
1127 | dPOPTOPiirl; |
1128 | SETs((left == right) ? &sv_yes : &sv_no); |
1129 | RETURN; |
1130 | } |
79072805 |
1131 | } |
1132 | |
a0d0e21e |
1133 | PP(pp_i_ne) |
79072805 |
1134 | { |
a0d0e21e |
1135 | dSP; tryAMAGICbinSET(ne,0); |
1136 | { |
1137 | dPOPTOPiirl; |
1138 | SETs((left != right) ? &sv_yes : &sv_no); |
1139 | RETURN; |
1140 | } |
79072805 |
1141 | } |
1142 | |
a0d0e21e |
1143 | PP(pp_i_ncmp) |
79072805 |
1144 | { |
a0d0e21e |
1145 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
1146 | { |
1147 | dPOPTOPiirl; |
1148 | I32 value; |
79072805 |
1149 | |
a0d0e21e |
1150 | if (left > right) |
79072805 |
1151 | value = 1; |
a0d0e21e |
1152 | else if (left < right) |
79072805 |
1153 | value = -1; |
a0d0e21e |
1154 | else |
79072805 |
1155 | value = 0; |
a0d0e21e |
1156 | SETi(value); |
1157 | RETURN; |
79072805 |
1158 | } |
85e6fe83 |
1159 | } |
1160 | |
1161 | PP(pp_i_negate) |
1162 | { |
a0d0e21e |
1163 | dSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 |
1164 | SETi(-TOPi); |
1165 | RETURN; |
1166 | } |
1167 | |
79072805 |
1168 | /* High falutin' math. */ |
1169 | |
1170 | PP(pp_atan2) |
1171 | { |
a0d0e21e |
1172 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
1173 | { |
1174 | dPOPTOPnnrl; |
1175 | SETn(atan2(left, right)); |
1176 | RETURN; |
1177 | } |
79072805 |
1178 | } |
1179 | |
1180 | PP(pp_sin) |
1181 | { |
a0d0e21e |
1182 | dSP; dTARGET; tryAMAGICun(sin); |
1183 | { |
1184 | double value; |
1185 | value = POPn; |
1186 | value = sin(value); |
1187 | XPUSHn(value); |
1188 | RETURN; |
1189 | } |
79072805 |
1190 | } |
1191 | |
1192 | PP(pp_cos) |
1193 | { |
a0d0e21e |
1194 | dSP; dTARGET; tryAMAGICun(cos); |
1195 | { |
1196 | double value; |
1197 | value = POPn; |
1198 | value = cos(value); |
1199 | XPUSHn(value); |
1200 | RETURN; |
1201 | } |
79072805 |
1202 | } |
1203 | |
1204 | PP(pp_rand) |
1205 | { |
1206 | dSP; dTARGET; |
1207 | double value; |
1208 | if (MAXARG < 1) |
1209 | value = 1.0; |
1210 | else |
1211 | value = POPn; |
1212 | if (value == 0.0) |
1213 | value = 1.0; |
1214 | #if RANDBITS == 31 |
1215 | value = rand() * value / 2147483648.0; |
1216 | #else |
1217 | #if RANDBITS == 16 |
1218 | value = rand() * value / 65536.0; |
1219 | #else |
1220 | #if RANDBITS == 15 |
1221 | value = rand() * value / 32768.0; |
1222 | #else |
1223 | value = rand() * value / (double)(((unsigned long)1) << RANDBITS); |
1224 | #endif |
1225 | #endif |
1226 | #endif |
1227 | XPUSHn(value); |
1228 | RETURN; |
1229 | } |
1230 | |
1231 | PP(pp_srand) |
1232 | { |
1233 | dSP; |
1234 | I32 anum; |
85e6fe83 |
1235 | Time_t when; |
79072805 |
1236 | |
1237 | if (MAXARG < 1) { |
1238 | (void)time(&when); |
1239 | anum = when; |
1240 | } |
1241 | else |
1242 | anum = POPi; |
1243 | (void)srand(anum); |
1244 | EXTEND(SP, 1); |
1245 | RETPUSHYES; |
1246 | } |
1247 | |
1248 | PP(pp_exp) |
1249 | { |
a0d0e21e |
1250 | dSP; dTARGET; tryAMAGICun(exp); |
1251 | { |
1252 | double value; |
1253 | value = POPn; |
1254 | value = exp(value); |
1255 | XPUSHn(value); |
1256 | RETURN; |
1257 | } |
79072805 |
1258 | } |
1259 | |
1260 | PP(pp_log) |
1261 | { |
a0d0e21e |
1262 | dSP; dTARGET; tryAMAGICun(log); |
1263 | { |
1264 | double value; |
1265 | value = POPn; |
1266 | if (value <= 0.0) |
2304df62 |
1267 | DIE("Can't take log of %g", value); |
a0d0e21e |
1268 | value = log(value); |
1269 | XPUSHn(value); |
1270 | RETURN; |
1271 | } |
79072805 |
1272 | } |
1273 | |
1274 | PP(pp_sqrt) |
1275 | { |
a0d0e21e |
1276 | dSP; dTARGET; tryAMAGICun(sqrt); |
1277 | { |
1278 | double value; |
1279 | value = POPn; |
1280 | if (value < 0.0) |
2304df62 |
1281 | DIE("Can't take sqrt of %g", value); |
a0d0e21e |
1282 | value = sqrt(value); |
1283 | XPUSHn(value); |
1284 | RETURN; |
1285 | } |
79072805 |
1286 | } |
1287 | |
1288 | PP(pp_int) |
1289 | { |
1290 | dSP; dTARGET; |
1291 | double value; |
a0d0e21e |
1292 | value = POPn; |
79072805 |
1293 | if (value >= 0.0) |
1294 | (void)modf(value, &value); |
1295 | else { |
1296 | (void)modf(-value, &value); |
1297 | value = -value; |
1298 | } |
1299 | XPUSHn(value); |
1300 | RETURN; |
1301 | } |
1302 | |
463ee0b2 |
1303 | PP(pp_abs) |
1304 | { |
a0d0e21e |
1305 | dSP; dTARGET; tryAMAGICun(abs); |
1306 | { |
1307 | double value; |
1308 | value = POPn; |
463ee0b2 |
1309 | |
a0d0e21e |
1310 | if (value < 0.0) |
463ee0b2 |
1311 | value = -value; |
1312 | |
a0d0e21e |
1313 | XPUSHn(value); |
1314 | RETURN; |
1315 | } |
463ee0b2 |
1316 | } |
1317 | |
79072805 |
1318 | PP(pp_hex) |
1319 | { |
1320 | dSP; dTARGET; |
1321 | char *tmps; |
464e2e8a |
1322 | unsigned long value; |
79072805 |
1323 | I32 argtype; |
1324 | |
a0d0e21e |
1325 | tmps = POPp; |
464e2e8a |
1326 | value = scan_hex(tmps, 99, &argtype); |
1327 | if ((IV)value >= 0) |
1328 | XPUSHi(value); |
1329 | else |
1330 | XPUSHn(U_V(value)); |
79072805 |
1331 | RETURN; |
1332 | } |
1333 | |
1334 | PP(pp_oct) |
1335 | { |
1336 | dSP; dTARGET; |
464e2e8a |
1337 | unsigned long value; |
79072805 |
1338 | I32 argtype; |
1339 | char *tmps; |
1340 | |
a0d0e21e |
1341 | tmps = POPp; |
464e2e8a |
1342 | while (*tmps && isSPACE(*tmps)) |
1343 | tmps++; |
1344 | if (*tmps == '0') |
79072805 |
1345 | tmps++; |
1346 | if (*tmps == 'x') |
464e2e8a |
1347 | value = scan_hex(++tmps, 99, &argtype); |
1348 | else |
1349 | value = scan_oct(tmps, 99, &argtype); |
1350 | if ((IV)value >= 0) |
1351 | XPUSHi(value); |
79072805 |
1352 | else |
464e2e8a |
1353 | XPUSHn(U_V(value)); |
79072805 |
1354 | RETURN; |
1355 | } |
1356 | |
1357 | /* String stuff. */ |
1358 | |
1359 | PP(pp_length) |
1360 | { |
1361 | dSP; dTARGET; |
a0d0e21e |
1362 | SETi( sv_len(TOPs) ); |
79072805 |
1363 | RETURN; |
1364 | } |
1365 | |
1366 | PP(pp_substr) |
1367 | { |
1368 | dSP; dTARGET; |
1369 | SV *sv; |
1370 | I32 len; |
463ee0b2 |
1371 | STRLEN curlen; |
79072805 |
1372 | I32 pos; |
1373 | I32 rem; |
a0d0e21e |
1374 | I32 lvalue = op->op_flags & OPf_MOD; |
79072805 |
1375 | char *tmps; |
a0d0e21e |
1376 | I32 arybase = curcop->cop_arybase; |
79072805 |
1377 | |
1378 | if (MAXARG > 2) |
1379 | len = POPi; |
1380 | pos = POPi - arybase; |
1381 | sv = POPs; |
a0d0e21e |
1382 | tmps = SvPV(sv, curlen); |
79072805 |
1383 | if (pos < 0) |
1384 | pos += curlen + arybase; |
2304df62 |
1385 | if (pos < 0 || pos > curlen) { |
a0d0e21e |
1386 | if (dowarn || lvalue) |
2304df62 |
1387 | warn("substr outside of string"); |
1388 | RETPUSHUNDEF; |
1389 | } |
79072805 |
1390 | else { |
1391 | if (MAXARG < 3) |
1392 | len = curlen; |
a0d0e21e |
1393 | else if (len < 0) { |
748a9306 |
1394 | len += curlen - pos; |
a0d0e21e |
1395 | if (len < 0) |
1396 | len = 0; |
1397 | } |
79072805 |
1398 | tmps += pos; |
1399 | rem = curlen - pos; /* rem=how many bytes left*/ |
1400 | if (rem > len) |
1401 | rem = len; |
1402 | sv_setpvn(TARG, tmps, rem); |
1403 | if (lvalue) { /* it's an lvalue! */ |
c07a80fd |
1404 | if (!SvGMAGICAL(sv)) |
1405 | (void)SvPOK_only(sv); |
a0d0e21e |
1406 | if (SvTYPE(TARG) < SVt_PVLV) { |
1407 | sv_upgrade(TARG, SVt_PVLV); |
1408 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); |
ed6116ce |
1409 | } |
a0d0e21e |
1410 | |
79072805 |
1411 | LvTYPE(TARG) = 's'; |
1412 | LvTARG(TARG) = sv; |
a0d0e21e |
1413 | LvTARGOFF(TARG) = pos; |
79072805 |
1414 | LvTARGLEN(TARG) = rem; |
1415 | } |
1416 | } |
1417 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
1418 | RETURN; |
1419 | } |
1420 | |
1421 | PP(pp_vec) |
1422 | { |
1423 | dSP; dTARGET; |
1424 | register I32 size = POPi; |
1425 | register I32 offset = POPi; |
1426 | register SV *src = POPs; |
a0d0e21e |
1427 | I32 lvalue = op->op_flags & OPf_MOD; |
463ee0b2 |
1428 | STRLEN srclen; |
1429 | unsigned char *s = (unsigned char*)SvPV(src, srclen); |
79072805 |
1430 | unsigned long retnum; |
1431 | I32 len; |
1432 | |
1433 | offset *= size; /* turn into bit offset */ |
1434 | len = (offset + size + 7) / 8; |
1435 | if (offset < 0 || size < 1) |
1436 | retnum = 0; |
79072805 |
1437 | else { |
a0d0e21e |
1438 | if (lvalue) { /* it's an lvalue! */ |
1439 | if (SvTYPE(TARG) < SVt_PVLV) { |
1440 | sv_upgrade(TARG, SVt_PVLV); |
1441 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); |
1442 | } |
1443 | |
1444 | LvTYPE(TARG) = 'v'; |
1445 | LvTARG(TARG) = src; |
1446 | LvTARGOFF(TARG) = offset; |
1447 | LvTARGLEN(TARG) = size; |
1448 | } |
93a17b20 |
1449 | if (len > srclen) { |
a0d0e21e |
1450 | if (size <= 8) |
1451 | retnum = 0; |
1452 | else { |
1453 | offset >>= 3; |
748a9306 |
1454 | if (size == 16) { |
1455 | if (offset >= srclen) |
1456 | retnum = 0; |
a0d0e21e |
1457 | else |
748a9306 |
1458 | retnum = (unsigned long) s[offset] << 8; |
1459 | } |
1460 | else if (size == 32) { |
1461 | if (offset >= srclen) |
1462 | retnum = 0; |
1463 | else if (offset + 1 >= srclen) |
a0d0e21e |
1464 | retnum = (unsigned long) s[offset] << 24; |
748a9306 |
1465 | else if (offset + 2 >= srclen) |
1466 | retnum = ((unsigned long) s[offset] << 24) + |
1467 | ((unsigned long) s[offset + 1] << 16); |
1468 | else |
1469 | retnum = ((unsigned long) s[offset] << 24) + |
1470 | ((unsigned long) s[offset + 1] << 16) + |
1471 | (s[offset + 2] << 8); |
a0d0e21e |
1472 | } |
1473 | } |
79072805 |
1474 | } |
a0d0e21e |
1475 | else if (size < 8) |
79072805 |
1476 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
1477 | else { |
1478 | offset >>= 3; |
1479 | if (size == 8) |
1480 | retnum = s[offset]; |
1481 | else if (size == 16) |
1482 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; |
1483 | else if (size == 32) |
1484 | retnum = ((unsigned long) s[offset] << 24) + |
1485 | ((unsigned long) s[offset + 1] << 16) + |
1486 | (s[offset + 2] << 8) + s[offset+3]; |
1487 | } |
79072805 |
1488 | } |
1489 | |
1490 | sv_setiv(TARG, (I32)retnum); |
1491 | PUSHs(TARG); |
1492 | RETURN; |
1493 | } |
1494 | |
1495 | PP(pp_index) |
1496 | { |
1497 | dSP; dTARGET; |
1498 | SV *big; |
1499 | SV *little; |
1500 | I32 offset; |
1501 | I32 retval; |
1502 | char *tmps; |
1503 | char *tmps2; |
463ee0b2 |
1504 | STRLEN biglen; |
a0d0e21e |
1505 | I32 arybase = curcop->cop_arybase; |
79072805 |
1506 | |
1507 | if (MAXARG < 3) |
1508 | offset = 0; |
1509 | else |
1510 | offset = POPi - arybase; |
1511 | little = POPs; |
1512 | big = POPs; |
463ee0b2 |
1513 | tmps = SvPV(big, biglen); |
79072805 |
1514 | if (offset < 0) |
1515 | offset = 0; |
93a17b20 |
1516 | else if (offset > biglen) |
1517 | offset = biglen; |
79072805 |
1518 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
93a17b20 |
1519 | (unsigned char*)tmps + biglen, little))) |
79072805 |
1520 | retval = -1 + arybase; |
1521 | else |
1522 | retval = tmps2 - tmps + arybase; |
1523 | PUSHi(retval); |
1524 | RETURN; |
1525 | } |
1526 | |
1527 | PP(pp_rindex) |
1528 | { |
1529 | dSP; dTARGET; |
1530 | SV *big; |
1531 | SV *little; |
463ee0b2 |
1532 | STRLEN blen; |
1533 | STRLEN llen; |
79072805 |
1534 | SV *offstr; |
1535 | I32 offset; |
1536 | I32 retval; |
1537 | char *tmps; |
1538 | char *tmps2; |
a0d0e21e |
1539 | I32 arybase = curcop->cop_arybase; |
79072805 |
1540 | |
a0d0e21e |
1541 | if (MAXARG >= 3) |
79072805 |
1542 | offstr = POPs; |
1543 | little = POPs; |
1544 | big = POPs; |
463ee0b2 |
1545 | tmps2 = SvPV(little, llen); |
1546 | tmps = SvPV(big, blen); |
79072805 |
1547 | if (MAXARG < 3) |
463ee0b2 |
1548 | offset = blen; |
79072805 |
1549 | else |
463ee0b2 |
1550 | offset = SvIV(offstr) - arybase + llen; |
79072805 |
1551 | if (offset < 0) |
1552 | offset = 0; |
463ee0b2 |
1553 | else if (offset > blen) |
1554 | offset = blen; |
79072805 |
1555 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 |
1556 | tmps2, tmps2 + llen))) |
79072805 |
1557 | retval = -1 + arybase; |
1558 | else |
1559 | retval = tmps2 - tmps + arybase; |
1560 | PUSHi(retval); |
1561 | RETURN; |
1562 | } |
1563 | |
1564 | PP(pp_sprintf) |
1565 | { |
1566 | dSP; dMARK; dORIGMARK; dTARGET; |
1567 | do_sprintf(TARG, SP-MARK, MARK+1); |
1568 | SP = ORIGMARK; |
1569 | PUSHTARG; |
1570 | RETURN; |
1571 | } |
1572 | |
79072805 |
1573 | PP(pp_ord) |
1574 | { |
1575 | dSP; dTARGET; |
1576 | I32 value; |
1577 | char *tmps; |
79072805 |
1578 | |
79072805 |
1579 | #ifndef I286 |
a0d0e21e |
1580 | tmps = POPp; |
79072805 |
1581 | value = (I32) (*tmps & 255); |
1582 | #else |
a0d0e21e |
1583 | I32 anum; |
1584 | tmps = POPp; |
79072805 |
1585 | anum = (I32) *tmps; |
1586 | value = (I32) (anum & 255); |
1587 | #endif |
1588 | XPUSHi(value); |
1589 | RETURN; |
1590 | } |
1591 | |
463ee0b2 |
1592 | PP(pp_chr) |
1593 | { |
1594 | dSP; dTARGET; |
1595 | char *tmps; |
1596 | |
748a9306 |
1597 | (void)SvUPGRADE(TARG,SVt_PV); |
1598 | SvGROW(TARG,2); |
463ee0b2 |
1599 | SvCUR_set(TARG, 1); |
1600 | tmps = SvPVX(TARG); |
748a9306 |
1601 | *tmps++ = POPi; |
1602 | *tmps = '\0'; |
a0d0e21e |
1603 | (void)SvPOK_only(TARG); |
463ee0b2 |
1604 | XPUSHs(TARG); |
1605 | RETURN; |
1606 | } |
1607 | |
79072805 |
1608 | PP(pp_crypt) |
1609 | { |
1610 | dSP; dTARGET; dPOPTOPssrl; |
1611 | #ifdef HAS_CRYPT |
a0d0e21e |
1612 | char *tmps = SvPV(left, na); |
79072805 |
1613 | #ifdef FCRYPT |
a0d0e21e |
1614 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, na))); |
79072805 |
1615 | #else |
a0d0e21e |
1616 | sv_setpv(TARG, crypt(tmps, SvPV(right, na))); |
79072805 |
1617 | #endif |
1618 | #else |
1619 | DIE( |
1620 | "The crypt() function is unimplemented due to excessive paranoia."); |
1621 | #endif |
1622 | SETs(TARG); |
1623 | RETURN; |
1624 | } |
1625 | |
1626 | PP(pp_ucfirst) |
1627 | { |
1628 | dSP; |
1629 | SV *sv = TOPs; |
1630 | register char *s; |
1631 | |
ed6116ce |
1632 | if (!SvPADTMP(sv)) { |
79072805 |
1633 | dTARGET; |
1634 | sv_setsv(TARG, sv); |
1635 | sv = TARG; |
1636 | SETs(sv); |
1637 | } |
a0d0e21e |
1638 | s = SvPV_force(sv, na); |
1639 | if (isLOWER(*s)) |
1640 | *s = toUPPER(*s); |
79072805 |
1641 | |
1642 | RETURN; |
1643 | } |
1644 | |
1645 | PP(pp_lcfirst) |
1646 | { |
1647 | dSP; |
1648 | SV *sv = TOPs; |
1649 | register char *s; |
1650 | |
ed6116ce |
1651 | if (!SvPADTMP(sv)) { |
79072805 |
1652 | dTARGET; |
1653 | sv_setsv(TARG, sv); |
1654 | sv = TARG; |
1655 | SETs(sv); |
1656 | } |
a0d0e21e |
1657 | s = SvPV_force(sv, na); |
1658 | if (isUPPER(*s)) |
1659 | *s = toLOWER(*s); |
79072805 |
1660 | |
1661 | SETs(sv); |
1662 | RETURN; |
1663 | } |
1664 | |
1665 | PP(pp_uc) |
1666 | { |
1667 | dSP; |
1668 | SV *sv = TOPs; |
1669 | register char *s; |
1670 | register char *send; |
463ee0b2 |
1671 | STRLEN len; |
79072805 |
1672 | |
ed6116ce |
1673 | if (!SvPADTMP(sv)) { |
79072805 |
1674 | dTARGET; |
1675 | sv_setsv(TARG, sv); |
1676 | sv = TARG; |
1677 | SETs(sv); |
1678 | } |
a0d0e21e |
1679 | s = SvPV_force(sv, len); |
463ee0b2 |
1680 | send = s + len; |
79072805 |
1681 | while (s < send) { |
a0d0e21e |
1682 | if (isLOWER(*s)) |
1683 | *s = toUPPER(*s); |
79072805 |
1684 | s++; |
1685 | } |
1686 | RETURN; |
1687 | } |
1688 | |
1689 | PP(pp_lc) |
1690 | { |
1691 | dSP; |
1692 | SV *sv = TOPs; |
1693 | register char *s; |
1694 | register char *send; |
463ee0b2 |
1695 | STRLEN len; |
79072805 |
1696 | |
ed6116ce |
1697 | if (!SvPADTMP(sv)) { |
79072805 |
1698 | dTARGET; |
1699 | sv_setsv(TARG, sv); |
1700 | sv = TARG; |
1701 | SETs(sv); |
1702 | } |
a0d0e21e |
1703 | s = SvPV_force(sv, len); |
463ee0b2 |
1704 | send = s + len; |
79072805 |
1705 | while (s < send) { |
a0d0e21e |
1706 | if (isUPPER(*s)) |
1707 | *s = toLOWER(*s); |
79072805 |
1708 | s++; |
1709 | } |
1710 | RETURN; |
1711 | } |
1712 | |
a0d0e21e |
1713 | PP(pp_quotemeta) |
79072805 |
1714 | { |
a0d0e21e |
1715 | dSP; dTARGET; |
1716 | SV *sv = TOPs; |
1717 | STRLEN len; |
1718 | register char *s = SvPV(sv,len); |
1719 | register char *d; |
79072805 |
1720 | |
a0d0e21e |
1721 | if (len) { |
1722 | (void)SvUPGRADE(TARG, SVt_PV); |
c07a80fd |
1723 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e |
1724 | d = SvPVX(TARG); |
1725 | while (len--) { |
1726 | if (!isALNUM(*s)) |
1727 | *d++ = '\\'; |
1728 | *d++ = *s++; |
79072805 |
1729 | } |
a0d0e21e |
1730 | *d = '\0'; |
1731 | SvCUR_set(TARG, d - SvPVX(TARG)); |
1732 | (void)SvPOK_only(TARG); |
79072805 |
1733 | } |
a0d0e21e |
1734 | else |
1735 | sv_setpvn(TARG, s, len); |
1736 | SETs(TARG); |
79072805 |
1737 | RETURN; |
1738 | } |
1739 | |
a0d0e21e |
1740 | /* Arrays. */ |
79072805 |
1741 | |
a0d0e21e |
1742 | PP(pp_aslice) |
79072805 |
1743 | { |
a0d0e21e |
1744 | dSP; dMARK; dORIGMARK; |
1745 | register SV** svp; |
1746 | register AV* av = (AV*)POPs; |
1747 | register I32 lval = op->op_flags & OPf_MOD; |
748a9306 |
1748 | I32 arybase = curcop->cop_arybase; |
1749 | I32 elem; |
79072805 |
1750 | |
a0d0e21e |
1751 | if (SvTYPE(av) == SVt_PVAV) { |
748a9306 |
1752 | if (lval && op->op_private & OPpLVAL_INTRO) { |
1753 | I32 max = -1; |
1754 | for (svp = mark + 1; svp <= sp; svp++) { |
1755 | elem = SvIVx(*svp); |
1756 | if (elem > max) |
1757 | max = elem; |
1758 | } |
1759 | if (max > AvMAX(av)) |
1760 | av_extend(av, max); |
1761 | } |
a0d0e21e |
1762 | while (++MARK <= SP) { |
748a9306 |
1763 | elem = SvIVx(*MARK); |
a0d0e21e |
1764 | |
748a9306 |
1765 | if (elem > 0) |
1766 | elem -= arybase; |
a0d0e21e |
1767 | svp = av_fetch(av, elem, lval); |
1768 | if (lval) { |
1769 | if (!svp || *svp == &sv_undef) |
1770 | DIE(no_aelem, elem); |
1771 | if (op->op_private & OPpLVAL_INTRO) |
1772 | save_svref(svp); |
79072805 |
1773 | } |
a0d0e21e |
1774 | *MARK = svp ? *svp : &sv_undef; |
79072805 |
1775 | } |
1776 | } |
748a9306 |
1777 | if (GIMME != G_ARRAY) { |
a0d0e21e |
1778 | MARK = ORIGMARK; |
1779 | *++MARK = *SP; |
1780 | SP = MARK; |
1781 | } |
79072805 |
1782 | RETURN; |
1783 | } |
1784 | |
1785 | /* Associative arrays. */ |
1786 | |
1787 | PP(pp_each) |
1788 | { |
1789 | dSP; dTARGET; |
1790 | HV *hash = (HV*)POPs; |
c07a80fd |
1791 | HE *entry; |
79072805 |
1792 | I32 i; |
1793 | char *tmps; |
c07a80fd |
1794 | |
1795 | PUTBACK; |
1796 | entry = hv_iternext(hash); /* might clobber stack_sp */ |
1797 | SPAGAIN; |
79072805 |
1798 | |
79072805 |
1799 | EXTEND(SP, 2); |
1800 | if (entry) { |
c07a80fd |
1801 | tmps = hv_iterkey(entry, &i); /* won't clobber stack_sp */ |
8990e307 |
1802 | if (!i) |
1803 | tmps = ""; |
1804 | PUSHs(sv_2mortal(newSVpv(tmps, i))); |
79072805 |
1805 | if (GIMME == G_ARRAY) { |
c07a80fd |
1806 | PUTBACK; |
1807 | sv_setsv(TARG, hv_iterval(hash, entry)); /* might clobber stack_sp */ |
1808 | SPAGAIN; |
8990e307 |
1809 | PUSHs(TARG); |
79072805 |
1810 | } |
79072805 |
1811 | } |
1812 | else if (GIMME == G_SCALAR) |
1813 | RETPUSHUNDEF; |
1814 | |
1815 | RETURN; |
1816 | } |
1817 | |
1818 | PP(pp_values) |
1819 | { |
1820 | return do_kv(ARGS); |
1821 | } |
1822 | |
1823 | PP(pp_keys) |
1824 | { |
1825 | return do_kv(ARGS); |
1826 | } |
1827 | |
1828 | PP(pp_delete) |
1829 | { |
1830 | dSP; |
1831 | SV *sv; |
1832 | SV *tmpsv = POPs; |
1833 | HV *hv = (HV*)POPs; |
1834 | char *tmps; |
463ee0b2 |
1835 | STRLEN len; |
a0d0e21e |
1836 | if (SvTYPE(hv) != SVt_PVHV) { |
1837 | DIE("Not a HASH reference"); |
79072805 |
1838 | } |
463ee0b2 |
1839 | tmps = SvPV(tmpsv, len); |
748a9306 |
1840 | sv = hv_delete(hv, tmps, len, |
1841 | op->op_private & OPpLEAVE_VOID ? G_DISCARD : 0); |
79072805 |
1842 | if (!sv) |
1843 | RETPUSHUNDEF; |
1844 | PUSHs(sv); |
1845 | RETURN; |
1846 | } |
1847 | |
a0d0e21e |
1848 | PP(pp_exists) |
79072805 |
1849 | { |
a0d0e21e |
1850 | dSP; |
1851 | SV *tmpsv = POPs; |
1852 | HV *hv = (HV*)POPs; |
1853 | char *tmps; |
1854 | STRLEN len; |
1855 | if (SvTYPE(hv) != SVt_PVHV) { |
1856 | DIE("Not a HASH reference"); |
1857 | } |
1858 | tmps = SvPV(tmpsv, len); |
1859 | if (hv_exists(hv, tmps, len)) |
1860 | RETPUSHYES; |
1861 | RETPUSHNO; |
1862 | } |
79072805 |
1863 | |
a0d0e21e |
1864 | PP(pp_hslice) |
1865 | { |
1866 | dSP; dMARK; dORIGMARK; |
1867 | register SV **svp; |
1868 | register HV *hv = (HV*)POPs; |
1869 | register I32 lval = op->op_flags & OPf_MOD; |
79072805 |
1870 | |
a0d0e21e |
1871 | if (SvTYPE(hv) == SVt_PVHV) { |
1872 | while (++MARK <= SP) { |
1873 | STRLEN keylen; |
1874 | char *key = SvPV(*MARK, keylen); |
79072805 |
1875 | |
a0d0e21e |
1876 | svp = hv_fetch(hv, key, keylen, lval); |
1877 | if (lval) { |
1878 | if (!svp || *svp == &sv_undef) |
1879 | DIE(no_helem, key); |
1880 | if (op->op_private & OPpLVAL_INTRO) |
1881 | save_svref(svp); |
93a17b20 |
1882 | } |
a0d0e21e |
1883 | *MARK = svp ? *svp : &sv_undef; |
79072805 |
1884 | } |
1885 | } |
a0d0e21e |
1886 | if (GIMME != G_ARRAY) { |
1887 | MARK = ORIGMARK; |
1888 | *++MARK = *SP; |
1889 | SP = MARK; |
79072805 |
1890 | } |
a0d0e21e |
1891 | RETURN; |
1892 | } |
1893 | |
1894 | /* List operators. */ |
1895 | |
1896 | PP(pp_list) |
1897 | { |
1898 | dSP; dMARK; |
1899 | if (GIMME != G_ARRAY) { |
1900 | if (++MARK <= SP) |
1901 | *MARK = *SP; /* unwanted list, return last item */ |
8990e307 |
1902 | else |
a0d0e21e |
1903 | *MARK = &sv_undef; |
1904 | SP = MARK; |
79072805 |
1905 | } |
a0d0e21e |
1906 | RETURN; |
79072805 |
1907 | } |
1908 | |
a0d0e21e |
1909 | PP(pp_lslice) |
79072805 |
1910 | { |
1911 | dSP; |
a0d0e21e |
1912 | SV **lastrelem = stack_sp; |
1913 | SV **lastlelem = stack_base + POPMARK; |
1914 | SV **firstlelem = stack_base + POPMARK + 1; |
1915 | register SV **firstrelem = lastlelem + 1; |
1916 | I32 arybase = curcop->cop_arybase; |
4633a7c4 |
1917 | I32 lval = op->op_flags & OPf_MOD; |
1918 | I32 is_something_there = lval; |
79072805 |
1919 | |
a0d0e21e |
1920 | register I32 max = lastrelem - lastlelem; |
1921 | register SV **lelem; |
1922 | register I32 ix; |
1923 | |
1924 | if (GIMME != G_ARRAY) { |
748a9306 |
1925 | ix = SvIVx(*lastlelem); |
1926 | if (ix < 0) |
1927 | ix += max; |
1928 | else |
1929 | ix -= arybase; |
a0d0e21e |
1930 | if (ix < 0 || ix >= max) |
1931 | *firstlelem = &sv_undef; |
1932 | else |
1933 | *firstlelem = firstrelem[ix]; |
1934 | SP = firstlelem; |
1935 | RETURN; |
1936 | } |
1937 | |
1938 | if (max == 0) { |
1939 | SP = firstlelem - 1; |
1940 | RETURN; |
1941 | } |
1942 | |
1943 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { |
748a9306 |
1944 | ix = SvIVx(*lelem); |
a0d0e21e |
1945 | if (ix < 0) { |
1946 | ix += max; |
1947 | if (ix < 0) |
1948 | *lelem = &sv_undef; |
1949 | else if (!(*lelem = firstrelem[ix])) |
1950 | *lelem = &sv_undef; |
79072805 |
1951 | } |
748a9306 |
1952 | else { |
1953 | ix -= arybase; |
1954 | if (ix >= max || !(*lelem = firstrelem[ix])) |
1955 | *lelem = &sv_undef; |
1956 | } |
4633a7c4 |
1957 | if (!is_something_there && (SvOKp(*lelem) || SvGMAGICAL(*lelem))) |
1958 | is_something_there = TRUE; |
79072805 |
1959 | } |
4633a7c4 |
1960 | if (is_something_there) |
1961 | SP = lastlelem; |
1962 | else |
1963 | SP = firstlelem - 1; |
79072805 |
1964 | RETURN; |
1965 | } |
1966 | |
a0d0e21e |
1967 | PP(pp_anonlist) |
1968 | { |
1969 | dSP; dMARK; |
1970 | I32 items = SP - MARK; |
1971 | SP = MARK; |
1972 | XPUSHs((SV*)sv_2mortal((SV*)av_make(items, MARK+1))); |
1973 | RETURN; |
1974 | } |
1975 | |
1976 | PP(pp_anonhash) |
79072805 |
1977 | { |
1978 | dSP; dMARK; dORIGMARK; |
a0d0e21e |
1979 | STRLEN len; |
1980 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
1981 | |
1982 | while (MARK < SP) { |
1983 | SV* key = *++MARK; |
1984 | char *tmps; |
1985 | SV *val = NEWSV(46, 0); |
1986 | if (MARK < SP) |
1987 | sv_setsv(val, *++MARK); |
1988 | else |
1989 | warn("Odd number of elements in hash list"); |
1990 | tmps = SvPV(key,len); |
1991 | (void)hv_store(hv,tmps,len,val,0); |
79072805 |
1992 | } |
a0d0e21e |
1993 | SP = ORIGMARK; |
1994 | XPUSHs((SV*)hv); |
79072805 |
1995 | RETURN; |
1996 | } |
1997 | |
a0d0e21e |
1998 | PP(pp_splice) |
79072805 |
1999 | { |
a0d0e21e |
2000 | dSP; dMARK; dORIGMARK; |
2001 | register AV *ary = (AV*)*++MARK; |
2002 | register SV **src; |
2003 | register SV **dst; |
2004 | register I32 i; |
2005 | register I32 offset; |
2006 | register I32 length; |
2007 | I32 newlen; |
2008 | I32 after; |
2009 | I32 diff; |
2010 | SV **tmparyval = 0; |
79072805 |
2011 | |
a0d0e21e |
2012 | SP++; |
79072805 |
2013 | |
a0d0e21e |
2014 | if (++MARK < SP) { |
2015 | offset = SvIVx(*MARK); |
2016 | if (offset < 0) |
2017 | offset += AvFILL(ary) + 1; |
2018 | else |
2019 | offset -= curcop->cop_arybase; |
2020 | if (++MARK < SP) { |
2021 | length = SvIVx(*MARK++); |
2022 | if (length < 0) |
2023 | length = 0; |
79072805 |
2024 | } |
2025 | else |
a0d0e21e |
2026 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 |
2027 | } |
a0d0e21e |
2028 | else { |
2029 | offset = 0; |
2030 | length = AvMAX(ary) + 1; |
2031 | } |
2032 | if (offset < 0) { |
2033 | length += offset; |
2034 | offset = 0; |
2035 | if (length < 0) |
2036 | length = 0; |
2037 | } |
2038 | if (offset > AvFILL(ary) + 1) |
2039 | offset = AvFILL(ary) + 1; |
2040 | after = AvFILL(ary) + 1 - (offset + length); |
2041 | if (after < 0) { /* not that much array */ |
2042 | length += after; /* offset+length now in array */ |
2043 | after = 0; |
2044 | if (!AvALLOC(ary)) |
2045 | av_extend(ary, 0); |
2046 | } |
2047 | |
2048 | /* At this point, MARK .. SP-1 is our new LIST */ |
2049 | |
2050 | newlen = SP - MARK; |
2051 | diff = newlen - length; |
2052 | |
2053 | if (diff < 0) { /* shrinking the area */ |
2054 | if (newlen) { |
2055 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ |
2056 | Copy(MARK, tmparyval, newlen, SV*); |
79072805 |
2057 | } |
a0d0e21e |
2058 | |
2059 | MARK = ORIGMARK + 1; |
2060 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
2061 | MEXTEND(MARK, length); |
2062 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); |
2063 | if (AvREAL(ary)) { |
2064 | for (i = length, dst = MARK; i; i--) |
2065 | sv_2mortal(*dst++); /* free them eventualy */ |
2066 | } |
2067 | MARK += length - 1; |
79072805 |
2068 | } |
a0d0e21e |
2069 | else { |
2070 | *MARK = AvARRAY(ary)[offset+length-1]; |
2071 | if (AvREAL(ary)) { |
2072 | sv_2mortal(*MARK); |
2073 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2074 | SvREFCNT_dec(*dst++); /* free them now */ |
79072805 |
2075 | } |
a0d0e21e |
2076 | } |
2077 | AvFILL(ary) += diff; |
2078 | |
2079 | /* pull up or down? */ |
2080 | |
2081 | if (offset < after) { /* easier to pull up */ |
2082 | if (offset) { /* esp. if nothing to pull */ |
2083 | src = &AvARRAY(ary)[offset-1]; |
2084 | dst = src - diff; /* diff is negative */ |
2085 | for (i = offset; i > 0; i--) /* can't trust Copy */ |
2086 | *dst-- = *src--; |
79072805 |
2087 | } |
a0d0e21e |
2088 | dst = AvARRAY(ary); |
2089 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ |
2090 | AvMAX(ary) += diff; |
2091 | } |
2092 | else { |
2093 | if (after) { /* anything to pull down? */ |
2094 | src = AvARRAY(ary) + offset + length; |
2095 | dst = src + diff; /* diff is negative */ |
2096 | Move(src, dst, after, SV*); |
79072805 |
2097 | } |
a0d0e21e |
2098 | dst = &AvARRAY(ary)[AvFILL(ary)+1]; |
2099 | /* avoid later double free */ |
2100 | } |
2101 | i = -diff; |
2102 | while (i) |
2103 | dst[--i] = &sv_undef; |
2104 | |
2105 | if (newlen) { |
2106 | for (src = tmparyval, dst = AvARRAY(ary) + offset; |
2107 | newlen; newlen--) { |
2108 | *dst = NEWSV(46, 0); |
2109 | sv_setsv(*dst++, *src++); |
79072805 |
2110 | } |
a0d0e21e |
2111 | Safefree(tmparyval); |
2112 | } |
2113 | } |
2114 | else { /* no, expanding (or same) */ |
2115 | if (length) { |
2116 | New(452, tmparyval, length, SV*); /* so remember deletion */ |
2117 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); |
2118 | } |
2119 | |
2120 | if (diff > 0) { /* expanding */ |
2121 | |
2122 | /* push up or down? */ |
2123 | |
2124 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { |
2125 | if (offset) { |
2126 | src = AvARRAY(ary); |
2127 | dst = src - diff; |
2128 | Move(src, dst, offset, SV*); |
79072805 |
2129 | } |
a0d0e21e |
2130 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
2131 | AvMAX(ary) += diff; |
2132 | AvFILL(ary) += diff; |
79072805 |
2133 | } |
2134 | else { |
a0d0e21e |
2135 | if (AvFILL(ary) + diff >= AvMAX(ary)) /* oh, well */ |
2136 | av_extend(ary, AvFILL(ary) + diff); |
2137 | AvFILL(ary) += diff; |
2138 | |
2139 | if (after) { |
2140 | dst = AvARRAY(ary) + AvFILL(ary); |
2141 | src = dst - diff; |
2142 | for (i = after; i; i--) { |
2143 | *dst-- = *src--; |
2144 | } |
79072805 |
2145 | } |
2146 | } |
a0d0e21e |
2147 | } |
2148 | |
2149 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { |
2150 | *dst = NEWSV(46, 0); |
2151 | sv_setsv(*dst++, *src++); |
2152 | } |
2153 | MARK = ORIGMARK + 1; |
2154 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
2155 | if (length) { |
2156 | Copy(tmparyval, MARK, length, SV*); |
2157 | if (AvREAL(ary)) { |
2158 | for (i = length, dst = MARK; i; i--) |
2159 | sv_2mortal(*dst++); /* free them eventualy */ |
79072805 |
2160 | } |
a0d0e21e |
2161 | Safefree(tmparyval); |
79072805 |
2162 | } |
a0d0e21e |
2163 | MARK += length - 1; |
2164 | } |
2165 | else if (length--) { |
2166 | *MARK = tmparyval[length]; |
2167 | if (AvREAL(ary)) { |
2168 | sv_2mortal(*MARK); |
2169 | while (length-- > 0) |
2170 | SvREFCNT_dec(tmparyval[length]); |
79072805 |
2171 | } |
a0d0e21e |
2172 | Safefree(tmparyval); |
79072805 |
2173 | } |
a0d0e21e |
2174 | else |
2175 | *MARK = &sv_undef; |
79072805 |
2176 | } |
a0d0e21e |
2177 | SP = MARK; |
79072805 |
2178 | RETURN; |
2179 | } |
2180 | |
a0d0e21e |
2181 | PP(pp_push) |
79072805 |
2182 | { |
2183 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e |
2184 | register AV *ary = (AV*)*++MARK; |
2185 | register SV *sv = &sv_undef; |
79072805 |
2186 | |
a0d0e21e |
2187 | for (++MARK; MARK <= SP; MARK++) { |
2188 | sv = NEWSV(51, 0); |
2189 | if (*MARK) |
2190 | sv_setsv(sv, *MARK); |
2191 | av_push(ary, sv); |
79072805 |
2192 | } |
2193 | SP = ORIGMARK; |
a0d0e21e |
2194 | PUSHi( AvFILL(ary) + 1 ); |
79072805 |
2195 | RETURN; |
2196 | } |
2197 | |
a0d0e21e |
2198 | PP(pp_pop) |
79072805 |
2199 | { |
2200 | dSP; |
a0d0e21e |
2201 | AV *av = (AV*)POPs; |
2202 | SV *sv = av_pop(av); |
2203 | if (sv != &sv_undef && AvREAL(av)) |
2204 | (void)sv_2mortal(sv); |
2205 | PUSHs(sv); |
79072805 |
2206 | RETURN; |
79072805 |
2207 | } |
2208 | |
a0d0e21e |
2209 | PP(pp_shift) |
79072805 |
2210 | { |
2211 | dSP; |
a0d0e21e |
2212 | AV *av = (AV*)POPs; |
2213 | SV *sv = av_shift(av); |
79072805 |
2214 | EXTEND(SP, 1); |
a0d0e21e |
2215 | if (!sv) |
79072805 |
2216 | RETPUSHUNDEF; |
a0d0e21e |
2217 | if (sv != &sv_undef && AvREAL(av)) |
2218 | (void)sv_2mortal(sv); |
2219 | PUSHs(sv); |
79072805 |
2220 | RETURN; |
79072805 |
2221 | } |
2222 | |
a0d0e21e |
2223 | PP(pp_unshift) |
79072805 |
2224 | { |
a0d0e21e |
2225 | dSP; dMARK; dORIGMARK; dTARGET; |
2226 | register AV *ary = (AV*)*++MARK; |
2227 | register SV *sv; |
2228 | register I32 i = 0; |
79072805 |
2229 | |
a0d0e21e |
2230 | av_unshift(ary, SP - MARK); |
2231 | while (MARK < SP) { |
2232 | sv = NEWSV(27, 0); |
2233 | sv_setsv(sv, *++MARK); |
2234 | (void)av_store(ary, i++, sv); |
79072805 |
2235 | } |
79072805 |
2236 | |
a0d0e21e |
2237 | SP = ORIGMARK; |
2238 | PUSHi( AvFILL(ary) + 1 ); |
79072805 |
2239 | RETURN; |
79072805 |
2240 | } |
2241 | |
a0d0e21e |
2242 | PP(pp_reverse) |
79072805 |
2243 | { |
a0d0e21e |
2244 | dSP; dMARK; |
2245 | register SV *tmp; |
2246 | SV **oldsp = SP; |
79072805 |
2247 | |
a0d0e21e |
2248 | if (GIMME == G_ARRAY) { |
2249 | MARK++; |
2250 | while (MARK < SP) { |
2251 | tmp = *MARK; |
2252 | *MARK++ = *SP; |
2253 | *SP-- = tmp; |
2254 | } |
2255 | SP = oldsp; |
79072805 |
2256 | } |
2257 | else { |
a0d0e21e |
2258 | register char *up; |
2259 | register char *down; |
2260 | register I32 tmp; |
2261 | dTARGET; |
2262 | STRLEN len; |
79072805 |
2263 | |
a0d0e21e |
2264 | if (SP - MARK > 1) |
2265 | do_join(TARG, &sv_no, MARK, SP); |
2266 | else |
2267 | sv_setsv(TARG, *SP); |
2268 | up = SvPV_force(TARG, len); |
2269 | if (len > 1) { |
2270 | down = SvPVX(TARG) + len - 1; |
2271 | while (down > up) { |
2272 | tmp = *up; |
2273 | *up++ = *down; |
2274 | *down-- = tmp; |
2275 | } |
2276 | (void)SvPOK_only(TARG); |
79072805 |
2277 | } |
a0d0e21e |
2278 | SP = MARK + 1; |
2279 | SETTARG; |
79072805 |
2280 | } |
a0d0e21e |
2281 | RETURN; |
79072805 |
2282 | } |
2283 | |
a0d0e21e |
2284 | /* Explosives and implosives. */ |
2285 | |
2286 | PP(pp_unpack) |
79072805 |
2287 | { |
2288 | dSP; |
a0d0e21e |
2289 | dPOPPOPssrl; |
ed6116ce |
2290 | SV *sv; |
a0d0e21e |
2291 | STRLEN llen; |
2292 | STRLEN rlen; |
2293 | register char *pat = SvPV(left, llen); |
2294 | register char *s = SvPV(right, rlen); |
2295 | char *strend = s + rlen; |
2296 | char *strbeg = s; |
2297 | register char *patend = pat + llen; |
2298 | I32 datumtype; |
2299 | register I32 len; |
2300 | register I32 bits; |
79072805 |
2301 | |
a0d0e21e |
2302 | /* These must not be in registers: */ |
2303 | I16 ashort; |
2304 | int aint; |
2305 | I32 along; |
ecfc5424 |
2306 | #ifdef HAS_QUAD |
2307 | Quad_t aquad; |
a0d0e21e |
2308 | #endif |
2309 | U16 aushort; |
2310 | unsigned int auint; |
2311 | U32 aulong; |
ecfc5424 |
2312 | #ifdef HAS_QUAD |
2313 | unsigned Quad_t auquad; |
a0d0e21e |
2314 | #endif |
2315 | char *aptr; |
2316 | float afloat; |
2317 | double adouble; |
2318 | I32 checksum = 0; |
2319 | register U32 culong; |
2320 | double cdouble; |
2321 | static char* bitcount = 0; |
79072805 |
2322 | |
a0d0e21e |
2323 | if (GIMME != G_ARRAY) { /* arrange to do first one only */ |
2324 | /*SUPPRESS 530*/ |
2325 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; |
748a9306 |
2326 | if (strchr("aAbBhHP", *patend) || *pat == '%') { |
a0d0e21e |
2327 | patend++; |
2328 | while (isDIGIT(*patend) || *patend == '*') |
2329 | patend++; |
2330 | } |
2331 | else |
2332 | patend++; |
79072805 |
2333 | } |
a0d0e21e |
2334 | while (pat < patend) { |
2335 | reparse: |
2336 | datumtype = *pat++; |
2337 | if (pat >= patend) |
2338 | len = 1; |
2339 | else if (*pat == '*') { |
2340 | len = strend - strbeg; /* long enough */ |
2341 | pat++; |
2342 | } |
2343 | else if (isDIGIT(*pat)) { |
2344 | len = *pat++ - '0'; |
2345 | while (isDIGIT(*pat)) |
2346 | len = (len * 10) + (*pat++ - '0'); |
2347 | } |
2348 | else |
2349 | len = (datumtype != '@'); |
2350 | switch(datumtype) { |
2351 | default: |
2352 | break; |
2353 | case '%': |
2354 | if (len == 1 && pat[-1] != '1') |
2355 | len = 16; |
2356 | checksum = len; |
2357 | culong = 0; |
2358 | cdouble = 0; |
2359 | if (pat < patend) |
2360 | goto reparse; |
2361 | break; |
2362 | case '@': |
2363 | if (len > strend - strbeg) |
2364 | DIE("@ outside of string"); |
2365 | s = strbeg + len; |
2366 | break; |
2367 | case 'X': |
2368 | if (len > s - strbeg) |
2369 | DIE("X outside of string"); |
2370 | s -= len; |
2371 | break; |
2372 | case 'x': |
2373 | if (len > strend - s) |
2374 | DIE("x outside of string"); |
2375 | s += len; |
2376 | break; |
2377 | case 'A': |
2378 | case 'a': |
2379 | if (len > strend - s) |
2380 | len = strend - s; |
2381 | if (checksum) |
2382 | goto uchar_checksum; |
2383 | sv = NEWSV(35, len); |
2384 | sv_setpvn(sv, s, len); |
2385 | s += len; |
2386 | if (datumtype == 'A') { |
2387 | aptr = s; /* borrow register */ |
2388 | s = SvPVX(sv) + len - 1; |
2389 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) |
2390 | s--; |
2391 | *++s = '\0'; |
2392 | SvCUR_set(sv, s - SvPVX(sv)); |
2393 | s = aptr; /* unborrow register */ |
2394 | } |
2395 | XPUSHs(sv_2mortal(sv)); |
2396 | break; |
2397 | case 'B': |
2398 | case 'b': |
2399 | if (pat[-1] == '*' || len > (strend - s) * 8) |
2400 | len = (strend - s) * 8; |
2401 | if (checksum) { |
2402 | if (!bitcount) { |
2403 | Newz(601, bitcount, 256, char); |
2404 | for (bits = 1; bits < 256; bits++) { |
2405 | if (bits & 1) bitcount[bits]++; |
2406 | if (bits & 2) bitcount[bits]++; |
2407 | if (bits & 4) bitcount[bits]++; |
2408 | if (bits & 8) bitcount[bits]++; |
2409 | if (bits & 16) bitcount[bits]++; |
2410 | if (bits & 32) bitcount[bits]++; |
2411 | if (bits & 64) bitcount[bits]++; |
2412 | if (bits & 128) bitcount[bits]++; |
2413 | } |
2414 | } |
2415 | while (len >= 8) { |
2416 | culong += bitcount[*(unsigned char*)s++]; |
2417 | len -= 8; |
2418 | } |
2419 | if (len) { |
2420 | bits = *s; |
2421 | if (datumtype == 'b') { |
2422 | while (len-- > 0) { |
2423 | if (bits & 1) culong++; |
2424 | bits >>= 1; |
2425 | } |
2426 | } |
2427 | else { |
2428 | while (len-- > 0) { |
2429 | if (bits & 128) culong++; |
2430 | bits <<= 1; |
2431 | } |
2432 | } |
2433 | } |
79072805 |
2434 | break; |
2435 | } |
a0d0e21e |
2436 | sv = NEWSV(35, len + 1); |
2437 | SvCUR_set(sv, len); |
2438 | SvPOK_on(sv); |
2439 | aptr = pat; /* borrow register */ |
2440 | pat = SvPVX(sv); |
2441 | if (datumtype == 'b') { |
2442 | aint = len; |
2443 | for (len = 0; len < aint; len++) { |
2444 | if (len & 7) /*SUPPRESS 595*/ |
2445 | bits >>= 1; |
2446 | else |
2447 | bits = *s++; |
2448 | *pat++ = '0' + (bits & 1); |
2449 | } |
2450 | } |
2451 | else { |
2452 | aint = len; |
2453 | for (len = 0; len < aint; len++) { |
2454 | if (len & 7) |
2455 | bits <<= 1; |
2456 | else |
2457 | bits = *s++; |
2458 | *pat++ = '0' + ((bits & 128) != 0); |
2459 | } |
2460 | } |
2461 | *pat = '\0'; |
2462 | pat = aptr; /* unborrow register */ |
2463 | XPUSHs(sv_2mortal(sv)); |
2464 | break; |
2465 | case 'H': |
2466 | case 'h': |
2467 | if (pat[-1] == '*' || len > (strend - s) * 2) |
2468 | len = (strend - s) * 2; |
2469 | sv = NEWSV(35, len + 1); |
2470 | SvCUR_set(sv, len); |
2471 | SvPOK_on(sv); |
2472 | aptr = pat; /* borrow register */ |
2473 | pat = SvPVX(sv); |
2474 | if (datumtype == 'h') { |
2475 | aint = len; |
2476 | for (len = 0; len < aint; len++) { |
2477 | if (len & 1) |
2478 | bits >>= 4; |
2479 | else |
2480 | bits = *s++; |
2481 | *pat++ = hexdigit[bits & 15]; |
2482 | } |
2483 | } |
2484 | else { |
2485 | aint = len; |
2486 | for (len = 0; len < aint; len++) { |
2487 | if (len & 1) |
2488 | bits <<= 4; |
2489 | else |
2490 | bits = *s++; |
2491 | *pat++ = hexdigit[(bits >> 4) & 15]; |
2492 | } |
2493 | } |
2494 | *pat = '\0'; |
2495 | pat = aptr; /* unborrow register */ |
2496 | XPUSHs(sv_2mortal(sv)); |
2497 | break; |
2498 | case 'c': |
2499 | if (len > strend - s) |
2500 | len = strend - s; |
2501 | if (checksum) { |
2502 | while (len-- > 0) { |
2503 | aint = *s++; |
2504 | if (aint >= 128) /* fake up signed chars */ |
2505 | aint -= 256; |
2506 | culong += aint; |
2507 | } |
2508 | } |
2509 | else { |
2510 | EXTEND(SP, len); |
2511 | while (len-- > 0) { |
2512 | aint = *s++; |
2513 | if (aint >= 128) /* fake up signed chars */ |
2514 | aint -= 256; |
2515 | sv = NEWSV(36, 0); |
2516 | sv_setiv(sv, (I32)aint); |
2517 | PUSHs(sv_2mortal(sv)); |
2518 | } |
2519 | } |
2520 | break; |
2521 | case 'C': |
2522 | if (len > strend - s) |
2523 | len = strend - s; |
2524 | if (checksum) { |
2525 | uchar_checksum: |
2526 | while (len-- > 0) { |
2527 | auint = *s++ & 255; |
2528 | culong += auint; |
2529 | } |
2530 | } |
2531 | else { |
2532 | EXTEND(SP, len); |
2533 | while (len-- > 0) { |
2534 | auint = *s++ & 255; |
2535 | sv = NEWSV(37, 0); |
2536 | sv_setiv(sv, (I32)auint); |
2537 | PUSHs(sv_2mortal(sv)); |
2538 | } |
2539 | } |
2540 | break; |
2541 | case 's': |
2542 | along = (strend - s) / sizeof(I16); |
2543 | if (len > along) |
2544 | len = along; |
2545 | if (checksum) { |
2546 | while (len-- > 0) { |
2547 | Copy(s, &ashort, 1, I16); |
2548 | s += sizeof(I16); |
2549 | culong += ashort; |
2550 | } |
2551 | } |
2552 | else { |
2553 | EXTEND(SP, len); |
2554 | while (len-- > 0) { |
2555 | Copy(s, &ashort, 1, I16); |
2556 | s += sizeof(I16); |
2557 | sv = NEWSV(38, 0); |
2558 | sv_setiv(sv, (I32)ashort); |
2559 | PUSHs(sv_2mortal(sv)); |
2560 | } |
2561 | } |
2562 | break; |
2563 | case 'v': |
2564 | case 'n': |
2565 | case 'S': |
2566 | along = (strend - s) / sizeof(U16); |
2567 | if (len > along) |
2568 | len = along; |
2569 | if (checksum) { |
2570 | while (len-- > 0) { |
2571 | Copy(s, &aushort, 1, U16); |
2572 | s += sizeof(U16); |
2573 | #ifdef HAS_NTOHS |
2574 | if (datumtype == 'n') |
2575 | aushort = ntohs(aushort); |
79072805 |
2576 | #endif |
a0d0e21e |
2577 | #ifdef HAS_VTOHS |
2578 | if (datumtype == 'v') |
2579 | aushort = vtohs(aushort); |
79072805 |
2580 | #endif |
a0d0e21e |
2581 | culong += aushort; |
2582 | } |
2583 | } |
2584 | else { |
2585 | EXTEND(SP, len); |
2586 | while (len-- > 0) { |
2587 | Copy(s, &aushort, 1, U16); |
2588 | s += sizeof(U16); |
2589 | sv = NEWSV(39, 0); |
2590 | #ifdef HAS_NTOHS |
2591 | if (datumtype == 'n') |
2592 | aushort = ntohs(aushort); |
79072805 |
2593 | #endif |
a0d0e21e |
2594 | #ifdef HAS_VTOHS |
2595 | if (datumtype == 'v') |
2596 | aushort = vtohs(aushort); |
79072805 |
2597 | #endif |
a0d0e21e |
2598 | sv_setiv(sv, (I32)aushort); |
2599 | PUSHs(sv_2mortal(sv)); |
2600 | } |
2601 | } |
2602 | break; |
2603 | case 'i': |
2604 | along = (strend - s) / sizeof(int); |
2605 | if (len > along) |
2606 | len = along; |
2607 | if (checksum) { |
2608 | while (len-- > 0) { |
2609 | Copy(s, &aint, 1, int); |
2610 | s += sizeof(int); |
2611 | if (checksum > 32) |
2612 | cdouble += (double)aint; |
2613 | else |
2614 | culong += aint; |
2615 | } |
2616 | } |
2617 | else { |
2618 | EXTEND(SP, len); |
2619 | while (len-- > 0) { |
2620 | Copy(s, &aint, 1, int); |
2621 | s += sizeof(int); |
2622 | sv = NEWSV(40, 0); |
2623 | sv_setiv(sv, (I32)aint); |
2624 | PUSHs(sv_2mortal(sv)); |
2625 | } |
2626 | } |
2627 | break; |
2628 | case 'I': |
2629 | along = (strend - s) / sizeof(unsigned int); |
2630 | if (len > along) |
2631 | len = along; |
2632 | if (checksum) { |
2633 | while (len-- > 0) { |
2634 | Copy(s, &auint, 1, unsigned int); |
2635 | s += sizeof(unsigned int); |
2636 | if (checksum > 32) |
2637 | cdouble += (double)auint; |
2638 | else |
2639 | culong += auint; |
2640 | } |
2641 | } |
2642 | else { |
2643 | EXTEND(SP, len); |
2644 | while (len-- > 0) { |
2645 | Copy(s, &auint, 1, unsigned int); |
2646 | s += sizeof(unsigned int); |
2647 | sv = NEWSV(41, 0); |
2648 | sv_setiv(sv, (I32)auint); |
2649 | PUSHs(sv_2mortal(sv)); |
2650 | } |
2651 | } |
2652 | break; |
2653 | case 'l': |
2654 | along = (strend - s) / sizeof(I32); |
2655 | if (len > along) |
2656 | len = along; |
2657 | if (checksum) { |
2658 | while (len-- > 0) { |
2659 | Copy(s, &along, 1, I32); |
2660 | s += sizeof(I32); |
2661 | if (checksum > 32) |
2662 | cdouble += (double)along; |
2663 | else |
2664 | culong += along; |
2665 | } |
2666 | } |
2667 | else { |
2668 | EXTEND(SP, len); |
2669 | while (len-- > 0) { |
2670 | Copy(s, &along, 1, I32); |
2671 | s += sizeof(I32); |
2672 | sv = NEWSV(42, 0); |
2673 | sv_setiv(sv, (I32)along); |
2674 | PUSHs(sv_2mortal(sv)); |
2675 | } |
79072805 |
2676 | } |
a0d0e21e |
2677 | break; |
2678 | case 'V': |
2679 | case 'N': |
2680 | case 'L': |
2681 | along = (strend - s) / sizeof(U32); |
2682 | if (len > along) |
2683 | len = along; |
2684 | if (checksum) { |
2685 | while (len-- > 0) { |
2686 | Copy(s, &aulong, 1, U32); |
2687 | s += sizeof(U32); |
2688 | #ifdef HAS_NTOHL |
2689 | if (datumtype == 'N') |
2690 | aulong = ntohl(aulong); |
79072805 |
2691 | #endif |
a0d0e21e |
2692 | #ifdef HAS_VTOHL |
2693 | if (datumtype == 'V') |
2694 | aulong = vtohl(aulong); |
79072805 |
2695 | #endif |
a0d0e21e |
2696 | if (checksum > 32) |
2697 | cdouble += (double)aulong; |
2698 | else |
2699 | culong += aulong; |
2700 | } |
2701 | } |
2702 | else { |
2703 | EXTEND(SP, len); |
2704 | while (len-- > 0) { |
2705 | Copy(s, &aulong, 1, U32); |
2706 | s += sizeof(U32); |
2707 | sv = NEWSV(43, 0); |
2708 | #ifdef HAS_NTOHL |
2709 | if (datumtype == 'N') |
2710 | aulong = ntohl(aulong); |
79072805 |
2711 | #endif |
a0d0e21e |
2712 | #ifdef HAS_VTOHL |
2713 | if (datumtype == 'V') |
2714 | aulong = vtohl(aulong); |
79072805 |
2715 | #endif |
a0d0e21e |
2716 | sv_setnv(sv, (double)aulong); |
2717 | PUSHs(sv_2mortal(sv)); |
2718 | } |
2719 | } |
2720 | break; |
2721 | case 'p': |
2722 | along = (strend - s) / sizeof(char*); |
2723 | if (len > along) |
2724 | len = along; |
2725 | EXTEND(SP, len); |
2726 | while (len-- > 0) { |
2727 | if (sizeof(char*) > strend - s) |
2728 | break; |
2729 | else { |
2730 | Copy(s, &aptr, 1, char*); |
2731 | s += sizeof(char*); |
2732 | } |
2733 | sv = NEWSV(44, 0); |
2734 | if (aptr) |
2735 | sv_setpv(sv, aptr); |
2736 | PUSHs(sv_2mortal(sv)); |
2737 | } |
2738 | break; |
2739 | case 'P': |
2740 | EXTEND(SP, 1); |
2741 | if (sizeof(char*) > strend - s) |
2742 | break; |
2743 | else { |
2744 | Copy(s, &aptr, 1, char*); |
2745 | s += sizeof(char*); |
2746 | } |
2747 | sv = NEWSV(44, 0); |
2748 | if (aptr) |
2749 | sv_setpvn(sv, aptr, len); |
2750 | PUSHs(sv_2mortal(sv)); |
2751 | break; |
ecfc5424 |
2752 | #ifdef HAS_QUAD |
a0d0e21e |
2753 | case 'q': |
2754 | EXTEND(SP, len); |
2755 | while (len-- > 0) { |
ecfc5424 |
2756 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e |
2757 | aquad = 0; |
2758 | else { |
ecfc5424 |
2759 | Copy(s, &aquad, 1, Quad_t); |
2760 | s += sizeof(Quad_t); |
a0d0e21e |
2761 | } |
2762 | sv = NEWSV(42, 0); |
2763 | sv_setiv(sv, (IV)aquad); |
2764 | PUSHs(sv_2mortal(sv)); |
2765 | } |
2766 | break; |
2767 | case 'Q': |
2768 | EXTEND(SP, len); |
2769 | while (len-- > 0) { |
ecfc5424 |
2770 | if (s + sizeof(unsigned Quad_t) > strend) |
a0d0e21e |
2771 | auquad = 0; |
2772 | else { |
ecfc5424 |
2773 | Copy(s, &auquad, 1, unsigned Quad_t); |
2774 | s += sizeof(unsigned Quad_t); |
a0d0e21e |
2775 | } |
2776 | sv = NEWSV(43, 0); |
2777 | sv_setiv(sv, (IV)auquad); |
2778 | PUSHs(sv_2mortal(sv)); |
2779 | } |
2780 | break; |
79072805 |
2781 | #endif |
a0d0e21e |
2782 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
2783 | case 'f': |
2784 | case 'F': |
2785 | along = (strend - s) / sizeof(float); |
2786 | if (len > along) |
2787 | len = along; |
2788 | if (checksum) { |
2789 | while (len-- > 0) { |
2790 | Copy(s, &afloat, 1, float); |
2791 | s += sizeof(float); |
2792 | cdouble += afloat; |
2793 | } |
2794 | } |
2795 | else { |
2796 | EXTEND(SP, len); |
2797 | while (len-- > 0) { |
2798 | Copy(s, &afloat, 1, float); |
2799 | s += sizeof(float); |
2800 | sv = NEWSV(47, 0); |
2801 | sv_setnv(sv, (double)afloat); |
2802 | PUSHs(sv_2mortal(sv)); |
2803 | } |
2804 | } |
2805 | break; |
2806 | case 'd': |
2807 | case 'D': |
2808 | along = (strend - s) / sizeof(double); |
2809 | if (len > along) |
2810 | len = along; |
2811 | if (checksum) { |
2812 | while (len-- > 0) { |
2813 | Copy(s, &adouble, 1, double); |
2814 | s += sizeof(double); |
2815 | cdouble += adouble; |
2816 | } |
2817 | } |
2818 | else { |
2819 | EXTEND(SP, len); |
2820 | while (len-- > 0) { |
2821 | Copy(s, &adouble, 1, double); |
2822 | s += sizeof(double); |
2823 | sv = NEWSV(48, 0); |
2824 | sv_setnv(sv, (double)adouble); |
2825 | PUSHs(sv_2mortal(sv)); |
2826 | } |
2827 | } |
2828 | break; |
2829 | case 'u': |
2830 | along = (strend - s) * 3 / 4; |
2831 | sv = NEWSV(42, along); |
2832 | while (s < strend && *s > ' ' && *s < 'a') { |
2833 | I32 a, b, c, d; |
2834 | char hunk[4]; |
79072805 |
2835 | |
a0d0e21e |
2836 | hunk[3] = '\0'; |
2837 | len = (*s++ - ' ') & 077; |
2838 | while (len > 0) { |
2839 | if (s < strend && *s >= ' ') |
2840 | a = (*s++ - ' ') & 077; |
2841 | else |
2842 | a = 0; |
2843 | if (s < strend && *s >= ' ') |
2844 | b = (*s++ - ' ') & 077; |
2845 | else |
2846 | b = 0; |
2847 | if (s < strend && *s >= ' ') |
2848 | c = (*s++ - ' ') & 077; |
2849 | else |
2850 | c = 0; |
2851 | if (s < strend && *s >= ' ') |
2852 | d = (*s++ - ' ') & 077; |
2853 | else |
2854 | d = 0; |
2855 | hunk[0] = a << 2 | b >> 4; |
2856 | hunk[1] = b << 4 | c >> 2; |
2857 | hunk[2] = c << 6 | d; |
2858 | sv_catpvn(sv, hunk, len > 3 ? 3 : len); |
2859 | len -= 3; |
2860 | } |
2861 | if (*s == '\n') |
2862 | s++; |
2863 | else if (s[1] == '\n') /* possible checksum byte */ |
2864 | s += 2; |
79072805 |
2865 | } |
a0d0e21e |
2866 | XPUSHs(sv_2mortal(sv)); |
2867 | break; |
79072805 |
2868 | } |
a0d0e21e |
2869 | if (checksum) { |
2870 | sv = NEWSV(42, 0); |
2871 | if (strchr("fFdD", datumtype) || |
2872 | (checksum > 32 && strchr("iIlLN", datumtype)) ) { |
2873 | double trouble; |
79072805 |
2874 | |
a0d0e21e |
2875 | adouble = 1.0; |
2876 | while (checksum >= 16) { |
2877 | checksum -= 16; |
2878 | adouble *= 65536.0; |
2879 | } |
2880 | while (checksum >= 4) { |
2881 | checksum -= 4; |
2882 | adouble *= 16.0; |
2883 | } |
2884 | while (checksum--) |
2885 | adouble *= 2.0; |
2886 | along = (1 << checksum) - 1; |
2887 | while (cdouble < 0.0) |
2888 | cdouble += adouble; |
2889 | cdouble = modf(cdouble / adouble, &trouble) * adouble; |
2890 | sv_setnv(sv, cdouble); |
2891 | } |
2892 | else { |
2893 | if (checksum < 32) { |
2894 | along = (1 << checksum) - 1; |
2895 | culong &= (U32)along; |
2896 | } |
2897 | sv_setnv(sv, (double)culong); |
2898 | } |
2899 | XPUSHs(sv_2mortal(sv)); |
2900 | checksum = 0; |
79072805 |
2901 | } |
79072805 |
2902 | } |
79072805 |
2903 | RETURN; |
79072805 |
2904 | } |
2905 | |
a0d0e21e |
2906 | static void |
2907 | doencodes(sv, s, len) |
2908 | register SV *sv; |
2909 | register char *s; |
2910 | register I32 len; |
79072805 |
2911 | { |
a0d0e21e |
2912 | char hunk[5]; |
79072805 |
2913 | |
a0d0e21e |
2914 | *hunk = len + ' '; |
2915 | sv_catpvn(sv, hunk, 1); |
2916 | hunk[4] = '\0'; |
2917 | while (len > 0) { |
2918 | hunk[0] = ' ' + (077 & (*s >> 2)); |
2919 | hunk[1] = ' ' + (077 & ((*s << 4) & 060 | (s[1] >> 4) & 017)); |
2920 | hunk[2] = ' ' + (077 & ((s[1] << 2) & 074 | (s[2] >> 6) & 03)); |
2921 | hunk[3] = ' ' + (077 & (s[2] & 077)); |
2922 | sv_catpvn(sv, hunk, 4); |
2923 | s += 3; |
2924 | len -= 3; |
2925 | } |
2926 | for (s = SvPVX(sv); *s; s++) { |
2927 | if (*s == ' ') |
2928 | *s = '`'; |
2929 | } |
2930 | sv_catpvn(sv, "\n", 1); |
79072805 |
2931 | } |
2932 | |
a0d0e21e |
2933 | PP(pp_pack) |
79072805 |
2934 | { |
a0d0e21e |
2935 | dSP; dMARK; dORIGMARK; dTARGET; |
2936 | register SV *cat = TARG; |
2937 | register I32 items; |
2938 | STRLEN fromlen; |
2939 | register char *pat = SvPVx(*++MARK, fromlen); |
2940 | register char *patend = pat + fromlen; |
2941 | register I32 len; |
2942 | I32 datumtype; |
2943 | SV *fromstr; |
2944 | /*SUPPRESS 442*/ |
2945 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; |
2946 | static char *space10 = " "; |
79072805 |
2947 | |
a0d0e21e |
2948 | /* These must not be in registers: */ |
2949 | char achar; |
2950 | I16 ashort; |
2951 | int aint; |
2952 | unsigned int auint; |
2953 | I32 along; |
2954 | U32 aulong; |
ecfc5424 |
2955 | #ifdef HAS_QUAD |
2956 | Quad_t aquad; |
2957 | unsigned Quad_t auquad; |
79072805 |
2958 | #endif |
a0d0e21e |
2959 | char *aptr; |
2960 | float afloat; |
2961 | double adouble; |
79072805 |
2962 | |
a0d0e21e |
2963 | items = SP - MARK; |
2964 | MARK++; |
2965 | sv_setpvn(cat, "", 0); |
2966 | while (pat < patend) { |
2967 | #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no) |
2968 | datumtype = *pat++; |
2969 | if (*pat == '*') { |
2970 | len = strchr("@Xxu", datumtype) ? 0 : items; |
2971 | pat++; |
2972 | } |
2973 | else if (isDIGIT(*pat)) { |
2974 | len = *pat++ - '0'; |
2975 | while (isDIGIT(*pat)) |
2976 | len = (len * 10) + (*pat++ - '0'); |
2977 | } |
2978 | else |
2979 | len = 1; |
2980 | switch(datumtype) { |
2981 | default: |
2982 | break; |
2983 | case '%': |
2984 | DIE("%% may only be used in unpack"); |
2985 | case '@': |
2986 | len -= SvCUR(cat); |
2987 | if (len > 0) |
2988 | goto grow; |
2989 | len = -len; |
2990 | if (len > 0) |
2991 | goto shrink; |
2992 | break; |
2993 | case 'X': |
2994 | shrink: |
2995 | if (SvCUR(cat) < len) |
2996 | DIE("X outside of string"); |
2997 | SvCUR(cat) -= len; |
2998 | *SvEND(cat) = '\0'; |
2999 | break; |
3000 | case 'x': |
3001 | grow: |
3002 | while (len >= 10) { |
3003 | sv_catpvn(cat, null10, 10); |
3004 | len -= 10; |
3005 | } |
3006 | sv_catpvn(cat, null10, len); |
3007 | break; |
3008 | case 'A': |
3009 | case 'a': |
3010 | fromstr = NEXTFROM; |
3011 | aptr = SvPV(fromstr, fromlen); |
3012 | if (pat[-1] == '*') |
3013 | len = fromlen; |
3014 | if (fromlen > len) |
3015 | sv_catpvn(cat, aptr, len); |
3016 | else { |
3017 | sv_catpvn(cat, aptr, fromlen); |
3018 | len -= fromlen; |
3019 | if (datumtype == 'A') { |
3020 | while (len >= 10) { |
3021 | sv_catpvn(cat, space10, 10); |
3022 | len -= 10; |
3023 | } |
3024 | sv_catpvn(cat, space10, len); |
3025 | } |
3026 | else { |
3027 | while (len >= 10) { |
3028 | sv_catpvn(cat, null10, 10); |
3029 | len -= 10; |
3030 | } |
3031 | sv_catpvn(cat, null10, len); |
3032 | } |
3033 | } |
3034 | break; |
3035 | case 'B': |
3036 | case 'b': |
3037 | { |
3038 | char *savepat = pat; |
3039 | I32 saveitems; |
79072805 |
3040 | |
a0d0e21e |
3041 | fromstr = NEXTFROM; |
3042 | saveitems = items; |
3043 | aptr = SvPV(fromstr, fromlen); |
3044 | if (pat[-1] == '*') |
3045 | len = fromlen; |
3046 | pat = aptr; |
3047 | aint = SvCUR(cat); |
3048 | SvCUR(cat) += (len+7)/8; |
3049 | SvGROW(cat, SvCUR(cat) + 1); |
3050 | aptr = SvPVX(cat) + aint; |
3051 | if (len > fromlen) |
3052 | len = fromlen; |
3053 | aint = len; |
3054 | items = 0; |
3055 | if (datumtype == 'B') { |
3056 | for (len = 0; len++ < aint;) { |
3057 | items |= *pat++ & 1; |
3058 | if (len & 7) |
3059 | items <<= 1; |
3060 | else { |
3061 | *aptr++ = items & 0xff; |
3062 | items = 0; |
3063 | } |
3064 | } |
3065 | } |
3066 | else { |
3067 | for (len = 0; len++ < aint;) { |
3068 | if (*pat++ & 1) |
3069 | items |= 128; |
3070 | if (len & 7) |
3071 | items >>= 1; |
3072 | else { |
3073 | *aptr++ = items & 0xff; |
3074 | items = 0; |
3075 | } |
3076 | } |
3077 | } |
3078 | if (aint & 7) { |
3079 | if (datumtype == 'B') |
3080 | items <<= 7 - (aint & 7); |
3081 | else |
3082 | items >>= 7 - (aint & 7); |
3083 | *aptr++ = items & 0xff; |
3084 | } |
3085 | pat = SvPVX(cat) + SvCUR(cat); |
3086 | while (aptr <= pat) |
3087 | *aptr++ = '\0'; |
79072805 |
3088 | |
a0d0e21e |
3089 | pat = savepat; |
3090 | items = saveitems; |
3091 | } |
3092 | break; |
3093 | case 'H': |
3094 | case 'h': |
3095 | { |
3096 | char *savepat = pat; |
3097 | I32 saveitems; |
79072805 |
3098 | |
a0d0e21e |
3099 | fromstr = NEXTFROM; |
3100 | saveitems = items; |
3101 | aptr = SvPV(fromstr, fromlen); |
3102 | if (pat[-1] == '*') |
3103 | len = fromlen; |
3104 | pat = aptr; |
3105 | aint = SvCUR(cat); |
3106 | SvCUR(cat) += (len+1)/2; |
3107 | SvGROW(cat, SvCUR(cat) + 1); |
3108 | aptr = SvPVX(cat) + aint; |
3109 | if (len > fromlen) |
3110 | len = fromlen; |
3111 | aint = len; |
3112 | items = 0; |
3113 | if (datumtype == 'H') { |
3114 | for (len = 0; len++ < aint;) { |
3115 | if (isALPHA(*pat)) |
3116 | items |= ((*pat++ & 15) + 9) & 15; |
3117 | else |
3118 | items |= *pat++ & 15; |
3119 | if (len & 1) |
3120 | items <<= 4; |
3121 | else { |
3122 | *aptr++ = items & 0xff; |
3123 | items = 0; |
3124 | } |
3125 | } |
3126 | } |
3127 | else { |
3128 | for (len = 0; len++ < aint;) { |
3129 | if (isALPHA(*pat)) |
3130 | items |= (((*pat++ & 15) + 9) & 15) << 4; |
3131 | else |
3132 | items |= (*pat++ & 15) << 4; |
3133 | if (len & 1) |
3134 | items >>= 4; |
3135 | else { |
3136 | *aptr++ = items & 0xff; |
3137 | items = 0; |
3138 | } |
3139 | } |
3140 | } |
3141 | if (aint & 1) |
3142 | *aptr++ = items & 0xff; |
3143 | pat = SvPVX(cat) + SvCUR(cat); |
3144 | while (aptr <= pat) |
3145 | *aptr++ = '\0'; |
79072805 |
3146 | |
a0d0e21e |
3147 | pat = savepat; |
3148 | items = saveitems; |
3149 | } |
3150 | break; |
3151 | case 'C': |
3152 | case 'c': |
3153 | while (len-- > 0) { |
3154 | fromstr = NEXTFROM; |
3155 | aint = SvIV(fromstr); |
3156 | achar = aint; |
3157 | sv_catpvn(cat, &achar, sizeof(char)); |
3158 | } |
3159 | break; |
3160 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ |
3161 | case 'f': |
3162 | case 'F': |
3163 | while (len-- > 0) { |
3164 | fromstr = NEXTFROM; |
3165 | afloat = (float)SvNV(fromstr); |
3166 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); |
3167 | } |
3168 | break; |
3169 | case 'd': |
3170 | case 'D': |
3171 | while (len-- > 0) { |
3172 | fromstr = NEXTFROM; |
3173 | adouble = (double)SvNV(fromstr); |
3174 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); |
3175 | } |
3176 | break; |
3177 | case 'n': |
3178 | while (len-- > 0) { |
3179 | fromstr = NEXTFROM; |
3180 | ashort = (I16)SvIV(fromstr); |
3181 | #ifdef HAS_HTONS |
3182 | ashort = htons(ashort); |
79072805 |
3183 | #endif |
a0d0e21e |
3184 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3185 | } |
3186 | break; |
3187 | case 'v': |
3188 | while (len-- > 0) { |
3189 | fromstr = NEXTFROM; |
3190 | ashort = (I16)SvIV(fromstr); |
3191 | #ifdef HAS_HTOVS |
3192 | ashort = htovs(ashort); |
79072805 |
3193 | #endif |
a0d0e21e |
3194 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3195 | } |
3196 | break; |
3197 | case 'S': |
3198 | case 's': |
3199 | while (len-- > 0) { |
3200 | fromstr = NEXTFROM; |
3201 | ashort = (I16)SvIV(fromstr); |
3202 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3203 | } |
3204 | break; |
3205 | case 'I': |
3206 | while (len-- > 0) { |
3207 | fromstr = NEXTFROM; |
3208 | auint = U_I(SvNV(fromstr)); |
3209 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
3210 | } |
3211 | break; |
3212 | case 'i': |
3213 | while (len-- > 0) { |
3214 | fromstr = NEXTFROM; |
3215 | aint = SvIV(fromstr); |
3216 | sv_catpvn(cat, (char*)&aint, sizeof(int)); |
3217 | } |
3218 | break; |
3219 | case 'N': |
3220 | while (len-- > 0) { |
3221 | fromstr = NEXTFROM; |
3222 | aulong = U_L(SvNV(fromstr)); |
3223 | #ifdef HAS_HTONL |
3224 | aulong = htonl(aulong); |
79072805 |
3225 | #endif |
a0d0e21e |
3226 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3227 | } |
3228 | break; |
3229 | case 'V': |
3230 | while (len-- > 0) { |
3231 | fromstr = NEXTFROM; |
3232 | aulong = U_L(SvNV(fromstr)); |
3233 | #ifdef HAS_HTOVL |
3234 | aulong = htovl(aulong); |
79072805 |
3235 | #endif |
a0d0e21e |
3236 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3237 | } |
3238 | break; |
3239 | case 'L': |
3240 | while (len-- > 0) { |
3241 | fromstr = NEXTFROM; |
3242 | aulong = U_L(SvNV(fromstr)); |
3243 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3244 | } |
3245 | break; |
3246 | case 'l': |
3247 | while (len-- > 0) { |
3248 | fromstr = NEXTFROM; |
3249 | along = SvIV(fromstr); |
3250 | sv_catpvn(cat, (char*)&along, sizeof(I32)); |
3251 | } |
3252 | break; |
ecfc5424 |
3253 | #ifdef HAS_QUAD |
a0d0e21e |
3254 | case 'Q': |
3255 | while (len-- > 0) { |
3256 | fromstr = NEXTFROM; |
ecfc5424 |
3257 | auquad = (unsigned Quad_t)SvIV(fromstr); |
3258 | sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t)); |
a0d0e21e |
3259 | } |
3260 | break; |
3261 | case 'q': |
3262 | while (len-- > 0) { |
3263 | fromstr = NEXTFROM; |
ecfc5424 |
3264 | aquad = (Quad_t)SvIV(fromstr); |
3265 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); |
a0d0e21e |
3266 | } |
3267 | break; |
ecfc5424 |
3268 | #endif /* HAS_QUAD */ |
a0d0e21e |
3269 | case 'P': |
3270 | len = 1; /* assume SV is correct length */ |
3271 | /* FALL THROUGH */ |
3272 | case 'p': |
3273 | while (len-- > 0) { |
3274 | fromstr = NEXTFROM; |
3275 | aptr = SvPV_force(fromstr, na); /* XXX Error if TEMP? */ |
3276 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
3277 | } |
3278 | break; |
3279 | case 'u': |
3280 | fromstr = NEXTFROM; |
3281 | aptr = SvPV(fromstr, fromlen); |
3282 | SvGROW(cat, fromlen * 4 / 3); |
3283 | if (len <= 1) |
3284 | len = 45; |
3285 | else |
3286 | len = len / 3 * 3; |
3287 | while (fromlen > 0) { |
3288 | I32 todo; |
79072805 |
3289 | |
a0d0e21e |
3290 | if (fromlen > len) |
3291 | todo = len; |
3292 | else |
3293 | todo = fromlen; |
3294 | doencodes(cat, aptr, todo); |
3295 | fromlen -= todo; |
3296 | aptr += todo; |
3297 | } |
3298 | break; |
3299 | } |
3300 | } |
3301 | SvSETMAGIC(cat); |
3302 | SP = ORIGMARK; |
3303 | PUSHs(cat); |
3304 | RETURN; |
79072805 |
3305 | } |
a0d0e21e |
3306 | #undef NEXTFROM |
79072805 |
3307 | |
a0d0e21e |
3308 | PP(pp_split) |
79072805 |
3309 | { |
a0d0e21e |
3310 | dSP; dTARG; |
3311 | AV *ary; |
3312 | register I32 limit = POPi; /* note, negative is forever */ |
3313 | SV *sv = POPs; |
3314 | STRLEN len; |
3315 | register char *s = SvPV(sv, len); |
3316 | char *strend = s + len; |
3317 | register PMOP *pm = (PMOP*)POPs; |
3318 | register SV *dstr; |
3319 | register char *m; |
3320 | I32 iters = 0; |
3321 | I32 maxiters = (strend - s) + 10; |
3322 | I32 i; |
3323 | char *orig; |
3324 | I32 origlimit = limit; |
3325 | I32 realarray = 0; |
3326 | I32 base; |
3327 | AV *oldstack = stack; |
3328 | register REGEXP *rx = pm->op_pmregexp; |
3329 | I32 gimme = GIMME; |
c07a80fd |
3330 | I32 oldsave = savestack_ix; |
79072805 |
3331 | |
a0d0e21e |
3332 | if (!pm || !s) |
3333 | DIE("panic: do_split"); |
3334 | if (pm->op_pmreplroot) |
3335 | ary = GvAVn((GV*)pm->op_pmreplroot); |
3336 | else if (gimme != G_ARRAY) |
3337 | ary = GvAVn(defgv); |
79072805 |
3338 | else |
a0d0e21e |
3339 | ary = Nullav; |
3340 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { |
3341 | realarray = 1; |
3342 | if (!AvREAL(ary)) { |
3343 | AvREAL_on(ary); |
3344 | for (i = AvFILL(ary); i >= 0; i--) |
3345 | AvARRAY(ary)[i] = &sv_undef; /* don't free mere refs */ |
79072805 |
3346 | } |
a0d0e21e |
3347 | av_extend(ary,0); |
3348 | av_clear(ary); |
3349 | /* temporarily switch stacks */ |
3350 | SWITCHSTACK(stack, ary); |
79072805 |
3351 | } |
a0d0e21e |
3352 | base = SP - stack_base; |
3353 | orig = s; |
3354 | if (pm->op_pmflags & PMf_SKIPWHITE) { |
3355 | while (isSPACE(*s)) |
3356 | s++; |
3357 | } |
c07a80fd |
3358 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
3359 | SAVEINT(multiline); |
3360 | multiline = pm->op_pmflags & PMf_MULTILINE; |
3361 | } |
3362 | |
a0d0e21e |
3363 | if (!limit) |
3364 | limit = maxiters + 2; |
3365 | if (pm->op_pmflags & PMf_WHITE) { |
3366 | while (--limit) { |
3367 | /*SUPPRESS 530*/ |
3368 | for (m = s; m < strend && !isSPACE(*m); m++) ; |
3369 | if (m >= strend) |
3370 | break; |
3371 | dstr = NEWSV(30, m-s); |
3372 | sv_setpvn(dstr, s, m-s); |
3373 | if (!realarray) |
3374 | sv_2mortal(dstr); |
3375 | XPUSHs(dstr); |
3376 | /*SUPPRESS 530*/ |
3377 | for (s = m + 1; s < strend && isSPACE(*s); s++) ; |
79072805 |
3378 | } |
3379 | } |
a0d0e21e |
3380 | else if (strEQ("^", rx->precomp)) { |
3381 | while (--limit) { |
3382 | /*SUPPRESS 530*/ |
3383 | for (m = s; m < strend && *m != '\n'; m++) ; |
3384 | m++; |
3385 | if (m >= strend) |
3386 | break; |
3387 | dstr = NEWSV(30, m-s); |
3388 | sv_setpvn(dstr, s, m-s); |
3389 | if (!realarray) |
3390 | sv_2mortal(dstr); |
3391 | XPUSHs(dstr); |
3392 | s = m; |
3393 | } |
3394 | } |
3395 | else if (pm->op_pmshort) { |
3396 | i = SvCUR(pm->op_pmshort); |
3397 | if (i == 1) { |
3398 | I32 fold = (pm->op_pmflags & PMf_FOLD); |
3399 | i = *SvPVX(pm->op_pmshort); |
3400 | if (fold && isUPPER(i)) |
3401 | i = toLOWER(i); |
3402 | while (--limit) { |
3403 | if (fold) { |
3404 | for ( m = s; |
3405 | m < strend && *m != i && |
3406 | (!isUPPER(*m) || toLOWER(*m) != i); |
3407 | m++) /*SUPPRESS 530*/ |
3408 | ; |
3409 | } |
3410 | else /*SUPPRESS 530*/ |
3411 | for (m = s; m < strend && *m != i; m++) ; |
3412 | if (m >= strend) |
3413 | break; |
3414 | dstr = NEWSV(30, m-s); |
3415 | sv_setpvn(dstr, s, m-s); |
3416 | if (!realarray) |
3417 | sv_2mortal(dstr); |
3418 | XPUSHs(dstr); |
3419 | s = m + 1; |
3420 | } |
3421 | } |
3422 | else { |
3423 | #ifndef lint |
3424 | while (s < strend && --limit && |
3425 | (m=fbm_instr((unsigned char*)s, (unsigned char*)strend, |
3426 | pm->op_pmshort)) ) |
79072805 |
3427 | #endif |
a0d0e21e |
3428 | { |
3429 | dstr = NEWSV(31, m-s); |
3430 | sv_setpvn(dstr, s, m-s); |
3431 | if (!realarray) |
3432 | sv_2mortal(dstr); |
3433 | XPUSHs(dstr); |
3434 | s = m + i; |
3435 | } |
463ee0b2 |
3436 | } |
463ee0b2 |
3437 | } |
a0d0e21e |
3438 | else { |
3439 | maxiters += (strend - s) * rx->nparens; |
3440 | while (s < strend && --limit && |
e50aee73 |
3441 | pregexec(rx, s, strend, orig, 1, Nullsv, TRUE) ) { |
a0d0e21e |
3442 | if (rx->subbase |
3443 | && rx->subbase != orig) { |
3444 | m = s; |
3445 | s = orig; |
3446 | orig = rx->subbase; |
3447 | s = orig + (m - s); |
3448 | strend = s + (strend - m); |
3449 | } |
3450 | m = rx->startp[0]; |
3451 | dstr = NEWSV(32, m-s); |
3452 | sv_setpvn(dstr, s, m-s); |
3453 | if (!realarray) |
3454 | sv_2mortal(dstr); |
3455 | XPUSHs(dstr); |
3456 | if (rx->nparens) { |
3457 | for (i = 1; i <= rx->nparens; i++) { |
3458 | s = rx->startp[i]; |
3459 | m = rx->endp[i]; |
748a9306 |
3460 | if (m && s) { |
3461 | dstr = NEWSV(33, m-s); |
3462 | sv_setpvn(dstr, s, m-s); |
3463 | } |
3464 | else |
3465 | dstr = NEWSV(33, 0); |
a0d0e21e |
3466 | if (!realarray) |
3467 | sv_2mortal(dstr); |
3468 | XPUSHs(dstr); |
3469 | } |
3470 | } |
3471 | s = rx->endp[0]; |
3472 | } |
79072805 |
3473 | } |
c07a80fd |
3474 | LEAVE_SCOPE(oldsave); |
a0d0e21e |
3475 | iters = (SP - stack_base) - base; |
3476 | if (iters > maxiters) |
3477 | DIE("Split loop"); |
3478 | |
3479 | /* keep field after final delim? */ |
3480 | if (s < strend || (iters && origlimit)) { |
3481 | dstr = NEWSV(34, strend-s); |
3482 | sv_setpvn(dstr, s, strend-s); |
3483 | if (!realarray) |
3484 | sv_2mortal(dstr); |
3485 | XPUSHs(dstr); |
3486 | iters++; |
79072805 |
3487 | } |
a0d0e21e |
3488 | else if (!origlimit) { |
3489 | while (iters > 0 && SvCUR(TOPs) == 0) |
3490 | iters--, SP--; |
3491 | } |
3492 | if (realarray) { |
3493 | SWITCHSTACK(ary, oldstack); |
3494 | if (gimme == G_ARRAY) { |
3495 | EXTEND(SP, iters); |
3496 | Copy(AvARRAY(ary), SP + 1, iters, SV*); |
3497 | SP += iters; |
3498 | RETURN; |
3499 | } |
3500 | } |
3501 | else { |
3502 | if (gimme == G_ARRAY) |
3503 | RETURN; |
3504 | } |
3505 | if (iters || !pm->op_pmreplroot) { |
3506 | GETTARGET; |
3507 | PUSHi(iters); |
3508 | RETURN; |
3509 | } |
3510 | RETPUSHUNDEF; |
79072805 |
3511 | } |
85e6fe83 |
3512 | |