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; |
f12c7020 |
144 | GvEGV(sv) = (GV*)sv; |
79072805 |
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 { |
f12c7020 |
166 | GV *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"); |
f12c7020 |
184 | gv = (GV*)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; |
f12c7020 |
334 | |
335 | if (sv && SvGMAGICAL(sv)) |
336 | mg_get(sv); |
337 | |
a0d0e21e |
338 | if (!sv || !SvROK(sv)) |
4633a7c4 |
339 | RETPUSHNO; |
79072805 |
340 | |
ed6116ce |
341 | sv = SvRV(sv); |
a0d0e21e |
342 | pv = sv_reftype(sv,TRUE); |
463ee0b2 |
343 | PUSHp(pv, strlen(pv)); |
79072805 |
344 | RETURN; |
345 | } |
346 | |
347 | PP(pp_bless) |
348 | { |
463ee0b2 |
349 | dSP; |
463ee0b2 |
350 | HV *stash; |
79072805 |
351 | |
463ee0b2 |
352 | if (MAXARG == 1) |
353 | stash = curcop->cop_stash; |
354 | else |
a0d0e21e |
355 | stash = gv_stashsv(POPs, TRUE); |
356 | |
357 | (void)sv_bless(TOPs, stash); |
79072805 |
358 | RETURN; |
359 | } |
360 | |
a0d0e21e |
361 | /* Pattern matching */ |
79072805 |
362 | |
a0d0e21e |
363 | PP(pp_study) |
79072805 |
364 | { |
c07a80fd |
365 | dSP; dPOPss; |
a0d0e21e |
366 | register unsigned char *s; |
367 | register I32 pos; |
368 | register I32 ch; |
369 | register I32 *sfirst; |
370 | register I32 *snext; |
371 | I32 retval; |
372 | STRLEN len; |
373 | |
c07a80fd |
374 | s = (unsigned char*)(SvPV(sv, len)); |
a0d0e21e |
375 | pos = len; |
c07a80fd |
376 | if (sv == lastscream) |
377 | SvSCREAM_off(sv); |
378 | else { |
379 | if (lastscream) { |
380 | SvSCREAM_off(lastscream); |
381 | SvREFCNT_dec(lastscream); |
382 | } |
383 | lastscream = SvREFCNT_inc(sv); |
384 | } |
a0d0e21e |
385 | if (pos <= 0) { |
386 | retval = 0; |
387 | goto ret; |
388 | } |
389 | if (pos > maxscream) { |
390 | if (maxscream < 0) { |
391 | maxscream = pos + 80; |
392 | New(301, screamfirst, 256, I32); |
393 | New(302, screamnext, maxscream, I32); |
79072805 |
394 | } |
395 | else { |
a0d0e21e |
396 | maxscream = pos + pos / 4; |
397 | Renew(screamnext, maxscream, I32); |
79072805 |
398 | } |
79072805 |
399 | } |
a0d0e21e |
400 | |
401 | sfirst = screamfirst; |
402 | snext = screamnext; |
403 | |
404 | if (!sfirst || !snext) |
405 | DIE("do_study: out of memory"); |
406 | |
407 | for (ch = 256; ch; --ch) |
408 | *sfirst++ = -1; |
409 | sfirst -= 256; |
410 | |
411 | while (--pos >= 0) { |
412 | ch = s[pos]; |
413 | if (sfirst[ch] >= 0) |
414 | snext[pos] = sfirst[ch] - pos; |
415 | else |
416 | snext[pos] = -pos; |
417 | sfirst[ch] = pos; |
418 | |
419 | /* If there were any case insensitive searches, we must assume they |
420 | * all are. This speeds up insensitive searches much more than |
421 | * it slows down sensitive ones. |
422 | */ |
423 | if (sawi) |
424 | sfirst[fold[ch]] = pos; |
79072805 |
425 | } |
426 | |
c07a80fd |
427 | SvSCREAM_on(sv); |
464e2e8a |
428 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
a0d0e21e |
429 | retval = 1; |
430 | ret: |
431 | XPUSHs(sv_2mortal(newSViv((I32)retval))); |
79072805 |
432 | RETURN; |
433 | } |
434 | |
a0d0e21e |
435 | PP(pp_trans) |
79072805 |
436 | { |
a0d0e21e |
437 | dSP; dTARG; |
438 | SV *sv; |
439 | |
440 | if (op->op_flags & OPf_STACKED) |
441 | sv = POPs; |
79072805 |
442 | else { |
a0d0e21e |
443 | sv = GvSV(defgv); |
444 | EXTEND(SP,1); |
79072805 |
445 | } |
adbc6bb1 |
446 | TARG = sv_newmortal(); |
a0d0e21e |
447 | PUSHi(do_trans(sv, op)); |
448 | RETURN; |
79072805 |
449 | } |
450 | |
a0d0e21e |
451 | /* Lvalue operators. */ |
79072805 |
452 | |
a0d0e21e |
453 | PP(pp_schop) |
454 | { |
455 | dSP; dTARGET; |
456 | do_chop(TARG, TOPs); |
457 | SETTARG; |
458 | RETURN; |
79072805 |
459 | } |
460 | |
a0d0e21e |
461 | PP(pp_chop) |
79072805 |
462 | { |
a0d0e21e |
463 | dSP; dMARK; dTARGET; |
464 | while (SP > MARK) |
465 | do_chop(TARG, POPs); |
466 | PUSHTARG; |
467 | RETURN; |
79072805 |
468 | } |
469 | |
a0d0e21e |
470 | PP(pp_schomp) |
79072805 |
471 | { |
a0d0e21e |
472 | dSP; dTARGET; |
473 | SETi(do_chomp(TOPs)); |
474 | RETURN; |
79072805 |
475 | } |
476 | |
a0d0e21e |
477 | PP(pp_chomp) |
79072805 |
478 | { |
a0d0e21e |
479 | dSP; dMARK; dTARGET; |
480 | register I32 count = 0; |
481 | |
482 | while (SP > MARK) |
483 | count += do_chomp(POPs); |
484 | PUSHi(count); |
485 | RETURN; |
79072805 |
486 | } |
487 | |
a0d0e21e |
488 | PP(pp_defined) |
463ee0b2 |
489 | { |
a0d0e21e |
490 | dSP; |
491 | register SV* sv; |
492 | |
493 | sv = POPs; |
494 | if (!sv || !SvANY(sv)) |
495 | RETPUSHNO; |
496 | switch (SvTYPE(sv)) { |
497 | case SVt_PVAV: |
8e07c86e |
498 | if (AvMAX(sv) >= 0 || SvRMAGICAL(sv)) |
a0d0e21e |
499 | RETPUSHYES; |
500 | break; |
501 | case SVt_PVHV: |
8e07c86e |
502 | if (HvARRAY(sv) || SvRMAGICAL(sv)) |
a0d0e21e |
503 | RETPUSHYES; |
504 | break; |
505 | case SVt_PVCV: |
506 | if (CvROOT(sv) || CvXSUB(sv)) |
507 | RETPUSHYES; |
508 | break; |
509 | default: |
510 | if (SvGMAGICAL(sv)) |
511 | mg_get(sv); |
512 | if (SvOK(sv)) |
513 | RETPUSHYES; |
514 | } |
515 | RETPUSHNO; |
463ee0b2 |
516 | } |
517 | |
a0d0e21e |
518 | PP(pp_undef) |
519 | { |
79072805 |
520 | dSP; |
a0d0e21e |
521 | SV *sv; |
522 | |
523 | if (!op->op_private) |
524 | RETPUSHUNDEF; |
79072805 |
525 | |
a0d0e21e |
526 | sv = POPs; |
527 | if (!sv) |
528 | RETPUSHUNDEF; |
85e6fe83 |
529 | |
a0d0e21e |
530 | if (SvTHINKFIRST(sv)) { |
531 | if (SvREADONLY(sv)) |
532 | RETPUSHUNDEF; |
533 | if (SvROK(sv)) |
534 | sv_unref(sv); |
85e6fe83 |
535 | } |
536 | |
a0d0e21e |
537 | switch (SvTYPE(sv)) { |
538 | case SVt_NULL: |
539 | break; |
540 | case SVt_PVAV: |
541 | av_undef((AV*)sv); |
542 | break; |
543 | case SVt_PVHV: |
544 | hv_undef((HV*)sv); |
545 | break; |
546 | case SVt_PVCV: |
547 | cv_undef((CV*)sv); |
548 | sub_generation++; |
549 | break; |
8e07c86e |
550 | case SVt_PVGV: |
551 | if (SvFAKE(sv)) { |
552 | sv_setsv(sv, &sv_undef); |
553 | break; |
554 | } |
a0d0e21e |
555 | default: |
4633a7c4 |
556 | if (SvPOK(sv) && SvLEN(sv)) { |
557 | (void)SvOOK_off(sv); |
558 | Safefree(SvPVX(sv)); |
559 | SvPV_set(sv, Nullch); |
560 | SvLEN_set(sv, 0); |
a0d0e21e |
561 | } |
4633a7c4 |
562 | (void)SvOK_off(sv); |
563 | SvSETMAGIC(sv); |
79072805 |
564 | } |
a0d0e21e |
565 | |
566 | RETPUSHUNDEF; |
79072805 |
567 | } |
568 | |
a0d0e21e |
569 | PP(pp_predec) |
79072805 |
570 | { |
a0d0e21e |
571 | dSP; |
748a9306 |
572 | if (SvIOK(TOPs)) { |
573 | --SvIVX(TOPs); |
574 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
575 | } |
576 | else |
577 | sv_dec(TOPs); |
a0d0e21e |
578 | SvSETMAGIC(TOPs); |
579 | return NORMAL; |
580 | } |
79072805 |
581 | |
a0d0e21e |
582 | PP(pp_postinc) |
583 | { |
584 | dSP; dTARGET; |
585 | sv_setsv(TARG, TOPs); |
748a9306 |
586 | if (SvIOK(TOPs)) { |
587 | ++SvIVX(TOPs); |
588 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
589 | } |
590 | else |
591 | sv_inc(TOPs); |
a0d0e21e |
592 | SvSETMAGIC(TOPs); |
593 | if (!SvOK(TARG)) |
594 | sv_setiv(TARG, 0); |
595 | SETs(TARG); |
596 | return NORMAL; |
597 | } |
79072805 |
598 | |
a0d0e21e |
599 | PP(pp_postdec) |
600 | { |
601 | dSP; dTARGET; |
602 | sv_setsv(TARG, TOPs); |
748a9306 |
603 | if (SvIOK(TOPs)) { |
604 | --SvIVX(TOPs); |
605 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
606 | } |
607 | else |
608 | sv_dec(TOPs); |
a0d0e21e |
609 | SvSETMAGIC(TOPs); |
610 | SETs(TARG); |
611 | return NORMAL; |
612 | } |
79072805 |
613 | |
a0d0e21e |
614 | /* Ordinary operators. */ |
615 | |
616 | PP(pp_pow) |
617 | { |
618 | dSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
619 | { |
620 | dPOPTOPnnrl; |
621 | SETn( pow( left, right) ); |
622 | RETURN; |
93a17b20 |
623 | } |
a0d0e21e |
624 | } |
625 | |
626 | PP(pp_multiply) |
627 | { |
628 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
629 | { |
630 | dPOPTOPnnrl; |
631 | SETn( left * right ); |
632 | RETURN; |
79072805 |
633 | } |
a0d0e21e |
634 | } |
635 | |
636 | PP(pp_divide) |
637 | { |
638 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
639 | { |
640 | dPOPnv; |
641 | if (value == 0.0) |
642 | DIE("Illegal division by zero"); |
643 | #ifdef SLOPPYDIVIDE |
644 | /* insure that 20./5. == 4. */ |
645 | { |
646 | double x; |
647 | I32 k; |
648 | x = POPn; |
649 | if ((double)I_32(x) == x && |
650 | (double)I_32(value) == value && |
651 | (k = I_32(x)/I_32(value))*I_32(value) == I_32(x)) { |
652 | value = k; |
653 | } else { |
654 | value = x/value; |
79072805 |
655 | } |
a0d0e21e |
656 | } |
657 | #else |
658 | value = POPn / value; |
659 | #endif |
660 | PUSHn( value ); |
661 | RETURN; |
79072805 |
662 | } |
a0d0e21e |
663 | } |
664 | |
665 | PP(pp_modulo) |
666 | { |
667 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
668 | { |
669 | register unsigned long tmpulong; |
670 | register long tmplong; |
671 | I32 value; |
672 | |
673 | tmpulong = (unsigned long) POPn; |
674 | if (tmpulong == 0L) |
675 | DIE("Illegal modulus zero"); |
676 | value = TOPn; |
677 | if (value >= 0.0) |
678 | value = (I32)(((unsigned long)value) % tmpulong); |
679 | else { |
680 | tmplong = (long)value; |
681 | value = (I32)(tmpulong - ((-tmplong - 1) % tmpulong)) - 1; |
682 | } |
683 | SETi(value); |
684 | RETURN; |
79072805 |
685 | } |
a0d0e21e |
686 | } |
79072805 |
687 | |
a0d0e21e |
688 | PP(pp_repeat) |
689 | { |
748a9306 |
690 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
691 | { |
a0d0e21e |
692 | register I32 count = POPi; |
693 | if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) { |
694 | dMARK; |
695 | I32 items = SP - MARK; |
696 | I32 max; |
79072805 |
697 | |
a0d0e21e |
698 | max = items * count; |
699 | MEXTEND(MARK, max); |
700 | if (count > 1) { |
701 | while (SP > MARK) { |
702 | if (*SP) |
703 | SvTEMP_off((*SP)); |
704 | SP--; |
79072805 |
705 | } |
a0d0e21e |
706 | MARK++; |
707 | repeatcpy((char*)(MARK + items), (char*)MARK, |
708 | items * sizeof(SV*), count - 1); |
709 | SP += max; |
79072805 |
710 | } |
a0d0e21e |
711 | else if (count <= 0) |
712 | SP -= items; |
79072805 |
713 | } |
a0d0e21e |
714 | else { /* Note: mark already snarfed by pp_list */ |
715 | SV *tmpstr; |
716 | STRLEN len; |
717 | |
718 | tmpstr = POPs; |
719 | if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) { |
720 | if (SvREADONLY(tmpstr) && curcop != &compiling) |
721 | DIE("Can't x= to readonly value"); |
722 | if (SvROK(tmpstr)) |
723 | sv_unref(tmpstr); |
93a17b20 |
724 | } |
a0d0e21e |
725 | SvSetSV(TARG, tmpstr); |
726 | SvPV_force(TARG, len); |
727 | if (count >= 1) { |
728 | SvGROW(TARG, (count * len) + 1); |
729 | if (count > 1) |
730 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
731 | SvCUR(TARG) *= count; |
732 | *SvEND(TARG) = '\0'; |
733 | (void)SvPOK_only(TARG); |
734 | } |
735 | else |
736 | sv_setsv(TARG, &sv_no); |
737 | PUSHTARG; |
79072805 |
738 | } |
a0d0e21e |
739 | RETURN; |
748a9306 |
740 | } |
a0d0e21e |
741 | } |
79072805 |
742 | |
a0d0e21e |
743 | PP(pp_subtract) |
744 | { |
745 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
746 | { |
747 | dPOPTOPnnrl; |
748 | SETn( left - right ); |
749 | RETURN; |
79072805 |
750 | } |
a0d0e21e |
751 | } |
79072805 |
752 | |
a0d0e21e |
753 | PP(pp_left_shift) |
754 | { |
755 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
756 | { |
748a9306 |
757 | dPOPTOPiirl; |
758 | SETi( left << right ); |
759 | RETURN; |
79072805 |
760 | } |
a0d0e21e |
761 | } |
79072805 |
762 | |
a0d0e21e |
763 | PP(pp_right_shift) |
764 | { |
765 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
766 | { |
767 | dPOPTOPiirl; |
768 | SETi( left >> right ); |
769 | RETURN; |
93a17b20 |
770 | } |
79072805 |
771 | } |
772 | |
a0d0e21e |
773 | PP(pp_lt) |
79072805 |
774 | { |
a0d0e21e |
775 | dSP; tryAMAGICbinSET(lt,0); |
776 | { |
777 | dPOPnv; |
778 | SETs((TOPn < value) ? &sv_yes : &sv_no); |
779 | RETURN; |
79072805 |
780 | } |
a0d0e21e |
781 | } |
79072805 |
782 | |
a0d0e21e |
783 | PP(pp_gt) |
784 | { |
785 | dSP; tryAMAGICbinSET(gt,0); |
786 | { |
787 | dPOPnv; |
788 | SETs((TOPn > value) ? &sv_yes : &sv_no); |
789 | RETURN; |
79072805 |
790 | } |
a0d0e21e |
791 | } |
792 | |
793 | PP(pp_le) |
794 | { |
795 | dSP; tryAMAGICbinSET(le,0); |
796 | { |
797 | dPOPnv; |
798 | SETs((TOPn <= value) ? &sv_yes : &sv_no); |
799 | RETURN; |
79072805 |
800 | } |
a0d0e21e |
801 | } |
802 | |
803 | PP(pp_ge) |
804 | { |
805 | dSP; tryAMAGICbinSET(ge,0); |
806 | { |
807 | dPOPnv; |
808 | SETs((TOPn >= value) ? &sv_yes : &sv_no); |
809 | RETURN; |
79072805 |
810 | } |
a0d0e21e |
811 | } |
79072805 |
812 | |
a0d0e21e |
813 | PP(pp_ne) |
814 | { |
815 | dSP; tryAMAGICbinSET(ne,0); |
816 | { |
817 | dPOPnv; |
818 | SETs((TOPn != value) ? &sv_yes : &sv_no); |
819 | RETURN; |
820 | } |
79072805 |
821 | } |
822 | |
a0d0e21e |
823 | PP(pp_ncmp) |
79072805 |
824 | { |
a0d0e21e |
825 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
826 | { |
827 | dPOPTOPnnrl; |
828 | I32 value; |
79072805 |
829 | |
a0d0e21e |
830 | if (left > right) |
831 | value = 1; |
832 | else if (left < right) |
833 | value = -1; |
834 | else |
835 | value = 0; |
836 | SETi(value); |
837 | RETURN; |
79072805 |
838 | } |
a0d0e21e |
839 | } |
79072805 |
840 | |
a0d0e21e |
841 | PP(pp_slt) |
842 | { |
843 | dSP; tryAMAGICbinSET(slt,0); |
844 | { |
845 | dPOPTOPssrl; |
846 | SETs( sv_cmp(left, right) < 0 ? &sv_yes : &sv_no ); |
847 | RETURN; |
848 | } |
79072805 |
849 | } |
850 | |
a0d0e21e |
851 | PP(pp_sgt) |
79072805 |
852 | { |
a0d0e21e |
853 | dSP; tryAMAGICbinSET(sgt,0); |
854 | { |
855 | dPOPTOPssrl; |
856 | SETs( sv_cmp(left, right) > 0 ? &sv_yes : &sv_no ); |
857 | RETURN; |
858 | } |
859 | } |
79072805 |
860 | |
a0d0e21e |
861 | PP(pp_sle) |
862 | { |
863 | dSP; tryAMAGICbinSET(sle,0); |
864 | { |
865 | dPOPTOPssrl; |
866 | SETs( sv_cmp(left, right) <= 0 ? &sv_yes : &sv_no ); |
867 | RETURN; |
79072805 |
868 | } |
79072805 |
869 | } |
870 | |
a0d0e21e |
871 | PP(pp_sge) |
872 | { |
873 | dSP; tryAMAGICbinSET(sge,0); |
874 | { |
875 | dPOPTOPssrl; |
876 | SETs( sv_cmp(left, right) >= 0 ? &sv_yes : &sv_no ); |
877 | RETURN; |
878 | } |
879 | } |
79072805 |
880 | |
a0d0e21e |
881 | PP(pp_sne) |
79072805 |
882 | { |
a0d0e21e |
883 | dSP; tryAMAGICbinSET(sne,0); |
884 | { |
885 | dPOPTOPssrl; |
886 | SETs( !sv_eq(left, right) ? &sv_yes : &sv_no ); |
887 | RETURN; |
463ee0b2 |
888 | } |
79072805 |
889 | } |
890 | |
a0d0e21e |
891 | PP(pp_scmp) |
79072805 |
892 | { |
a0d0e21e |
893 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
894 | { |
895 | dPOPTOPssrl; |
896 | SETi( sv_cmp(left, right) ); |
897 | RETURN; |
898 | } |
899 | } |
79072805 |
900 | |
a0d0e21e |
901 | PP(pp_bit_and) { |
902 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
903 | { |
904 | dPOPTOPssrl; |
4633a7c4 |
905 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
906 | unsigned long value = U_L(SvNV(left)); |
907 | value = value & U_L(SvNV(right)); |
908 | SETn((double)value); |
909 | } |
910 | else { |
911 | do_vop(op->op_type, TARG, left, right); |
912 | SETTARG; |
913 | } |
914 | RETURN; |
915 | } |
916 | } |
79072805 |
917 | |
a0d0e21e |
918 | PP(pp_bit_xor) |
919 | { |
920 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
921 | { |
922 | dPOPTOPssrl; |
4633a7c4 |
923 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
924 | unsigned long value = U_L(SvNV(left)); |
925 | value = value ^ U_L(SvNV(right)); |
926 | SETn((double)value); |
927 | } |
928 | else { |
929 | do_vop(op->op_type, TARG, left, right); |
930 | SETTARG; |
931 | } |
932 | RETURN; |
933 | } |
934 | } |
79072805 |
935 | |
a0d0e21e |
936 | PP(pp_bit_or) |
937 | { |
938 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
939 | { |
940 | dPOPTOPssrl; |
4633a7c4 |
941 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
942 | unsigned long value = U_L(SvNV(left)); |
943 | value = value | U_L(SvNV(right)); |
944 | SETn((double)value); |
945 | } |
946 | else { |
947 | do_vop(op->op_type, TARG, left, right); |
948 | SETTARG; |
949 | } |
950 | RETURN; |
79072805 |
951 | } |
a0d0e21e |
952 | } |
79072805 |
953 | |
a0d0e21e |
954 | PP(pp_negate) |
955 | { |
956 | dSP; dTARGET; tryAMAGICun(neg); |
957 | { |
958 | dTOPss; |
4633a7c4 |
959 | if (SvGMAGICAL(sv)) |
960 | mg_get(sv); |
961 | if (SvNIOKp(sv)) |
a0d0e21e |
962 | SETn(-SvNV(sv)); |
4633a7c4 |
963 | else if (SvPOKp(sv)) { |
a0d0e21e |
964 | STRLEN len; |
965 | char *s = SvPV(sv, len); |
966 | if (isALPHA(*s) || *s == '_') { |
967 | sv_setpvn(TARG, "-", 1); |
968 | sv_catsv(TARG, sv); |
79072805 |
969 | } |
a0d0e21e |
970 | else if (*s == '+' || *s == '-') { |
971 | sv_setsv(TARG, sv); |
972 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; |
79072805 |
973 | } |
974 | else |
a0d0e21e |
975 | sv_setnv(TARG, -SvNV(sv)); |
976 | SETTARG; |
79072805 |
977 | } |
4633a7c4 |
978 | else |
979 | SETn(-SvNV(sv)); |
79072805 |
980 | } |
a0d0e21e |
981 | RETURN; |
79072805 |
982 | } |
983 | |
a0d0e21e |
984 | PP(pp_not) |
79072805 |
985 | { |
a0d0e21e |
986 | #ifdef OVERLOAD |
987 | dSP; tryAMAGICunSET(not); |
988 | #endif /* OVERLOAD */ |
989 | *stack_sp = SvTRUE(*stack_sp) ? &sv_no : &sv_yes; |
990 | return NORMAL; |
79072805 |
991 | } |
992 | |
a0d0e21e |
993 | PP(pp_complement) |
79072805 |
994 | { |
a0d0e21e |
995 | dSP; dTARGET; tryAMAGICun(compl); |
996 | { |
997 | dTOPss; |
998 | register I32 anum; |
999 | |
4633a7c4 |
1000 | if (SvNIOKp(sv)) { |
748a9306 |
1001 | IV iv = ~SvIV(sv); |
1002 | if (iv < 0) |
1003 | SETn( (double) ~U_L(SvNV(sv)) ); |
1004 | else |
1005 | SETi( iv ); |
a0d0e21e |
1006 | } |
1007 | else { |
1008 | register char *tmps; |
1009 | register long *tmpl; |
1010 | STRLEN len; |
1011 | |
1012 | SvSetSV(TARG, sv); |
1013 | tmps = SvPV_force(TARG, len); |
1014 | anum = len; |
1015 | #ifdef LIBERAL |
1016 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) |
1017 | *tmps = ~*tmps; |
1018 | tmpl = (long*)tmps; |
1019 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) |
1020 | *tmpl = ~*tmpl; |
1021 | tmps = (char*)tmpl; |
1022 | #endif |
1023 | for ( ; anum > 0; anum--, tmps++) |
1024 | *tmps = ~*tmps; |
1025 | |
1026 | SETs(TARG); |
1027 | } |
1028 | RETURN; |
1029 | } |
79072805 |
1030 | } |
1031 | |
a0d0e21e |
1032 | /* integer versions of some of the above */ |
1033 | |
a0d0e21e |
1034 | PP(pp_i_multiply) |
79072805 |
1035 | { |
a0d0e21e |
1036 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
1037 | { |
1038 | dPOPTOPiirl; |
1039 | SETi( left * right ); |
1040 | RETURN; |
1041 | } |
79072805 |
1042 | } |
1043 | |
a0d0e21e |
1044 | PP(pp_i_divide) |
79072805 |
1045 | { |
a0d0e21e |
1046 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
1047 | { |
1048 | dPOPiv; |
1049 | if (value == 0) |
1050 | DIE("Illegal division by zero"); |
1051 | value = POPi / value; |
1052 | PUSHi( value ); |
1053 | RETURN; |
1054 | } |
79072805 |
1055 | } |
1056 | |
a0d0e21e |
1057 | PP(pp_i_modulo) |
79072805 |
1058 | { |
a0d0e21e |
1059 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
79072805 |
1060 | { |
a0d0e21e |
1061 | dPOPTOPiirl; |
1062 | SETi( left % right ); |
1063 | RETURN; |
79072805 |
1064 | } |
79072805 |
1065 | } |
1066 | |
a0d0e21e |
1067 | PP(pp_i_add) |
79072805 |
1068 | { |
a0d0e21e |
1069 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
1070 | { |
1071 | dPOPTOPiirl; |
1072 | SETi( left + right ); |
1073 | RETURN; |
79072805 |
1074 | } |
79072805 |
1075 | } |
1076 | |
a0d0e21e |
1077 | PP(pp_i_subtract) |
79072805 |
1078 | { |
a0d0e21e |
1079 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
1080 | { |
1081 | dPOPTOPiirl; |
1082 | SETi( left - right ); |
1083 | RETURN; |
79072805 |
1084 | } |
79072805 |
1085 | } |
1086 | |
a0d0e21e |
1087 | PP(pp_i_lt) |
79072805 |
1088 | { |
a0d0e21e |
1089 | dSP; tryAMAGICbinSET(lt,0); |
1090 | { |
1091 | dPOPTOPiirl; |
1092 | SETs((left < right) ? &sv_yes : &sv_no); |
1093 | RETURN; |
1094 | } |
79072805 |
1095 | } |
1096 | |
a0d0e21e |
1097 | PP(pp_i_gt) |
79072805 |
1098 | { |
a0d0e21e |
1099 | dSP; tryAMAGICbinSET(gt,0); |
1100 | { |
1101 | dPOPTOPiirl; |
1102 | SETs((left > right) ? &sv_yes : &sv_no); |
1103 | RETURN; |
1104 | } |
79072805 |
1105 | } |
1106 | |
a0d0e21e |
1107 | PP(pp_i_le) |
79072805 |
1108 | { |
a0d0e21e |
1109 | dSP; tryAMAGICbinSET(le,0); |
1110 | { |
1111 | dPOPTOPiirl; |
1112 | SETs((left <= right) ? &sv_yes : &sv_no); |
1113 | RETURN; |
85e6fe83 |
1114 | } |
79072805 |
1115 | } |
1116 | |
a0d0e21e |
1117 | PP(pp_i_ge) |
79072805 |
1118 | { |
a0d0e21e |
1119 | dSP; tryAMAGICbinSET(ge,0); |
1120 | { |
1121 | dPOPTOPiirl; |
1122 | SETs((left >= right) ? &sv_yes : &sv_no); |
1123 | RETURN; |
1124 | } |
79072805 |
1125 | } |
1126 | |
a0d0e21e |
1127 | PP(pp_i_eq) |
79072805 |
1128 | { |
a0d0e21e |
1129 | dSP; tryAMAGICbinSET(eq,0); |
1130 | { |
1131 | dPOPTOPiirl; |
1132 | SETs((left == right) ? &sv_yes : &sv_no); |
1133 | RETURN; |
1134 | } |
79072805 |
1135 | } |
1136 | |
a0d0e21e |
1137 | PP(pp_i_ne) |
79072805 |
1138 | { |
a0d0e21e |
1139 | dSP; tryAMAGICbinSET(ne,0); |
1140 | { |
1141 | dPOPTOPiirl; |
1142 | SETs((left != right) ? &sv_yes : &sv_no); |
1143 | RETURN; |
1144 | } |
79072805 |
1145 | } |
1146 | |
a0d0e21e |
1147 | PP(pp_i_ncmp) |
79072805 |
1148 | { |
a0d0e21e |
1149 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
1150 | { |
1151 | dPOPTOPiirl; |
1152 | I32 value; |
79072805 |
1153 | |
a0d0e21e |
1154 | if (left > right) |
79072805 |
1155 | value = 1; |
a0d0e21e |
1156 | else if (left < right) |
79072805 |
1157 | value = -1; |
a0d0e21e |
1158 | else |
79072805 |
1159 | value = 0; |
a0d0e21e |
1160 | SETi(value); |
1161 | RETURN; |
79072805 |
1162 | } |
85e6fe83 |
1163 | } |
1164 | |
1165 | PP(pp_i_negate) |
1166 | { |
a0d0e21e |
1167 | dSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 |
1168 | SETi(-TOPi); |
1169 | RETURN; |
1170 | } |
1171 | |
79072805 |
1172 | /* High falutin' math. */ |
1173 | |
1174 | PP(pp_atan2) |
1175 | { |
a0d0e21e |
1176 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
1177 | { |
1178 | dPOPTOPnnrl; |
1179 | SETn(atan2(left, right)); |
1180 | RETURN; |
1181 | } |
79072805 |
1182 | } |
1183 | |
1184 | PP(pp_sin) |
1185 | { |
a0d0e21e |
1186 | dSP; dTARGET; tryAMAGICun(sin); |
1187 | { |
1188 | double value; |
1189 | value = POPn; |
1190 | value = sin(value); |
1191 | XPUSHn(value); |
1192 | RETURN; |
1193 | } |
79072805 |
1194 | } |
1195 | |
1196 | PP(pp_cos) |
1197 | { |
a0d0e21e |
1198 | dSP; dTARGET; tryAMAGICun(cos); |
1199 | { |
1200 | double value; |
1201 | value = POPn; |
1202 | value = cos(value); |
1203 | XPUSHn(value); |
1204 | RETURN; |
1205 | } |
79072805 |
1206 | } |
1207 | |
1208 | PP(pp_rand) |
1209 | { |
1210 | dSP; dTARGET; |
1211 | double value; |
1212 | if (MAXARG < 1) |
1213 | value = 1.0; |
1214 | else |
1215 | value = POPn; |
1216 | if (value == 0.0) |
1217 | value = 1.0; |
1218 | #if RANDBITS == 31 |
1219 | value = rand() * value / 2147483648.0; |
1220 | #else |
1221 | #if RANDBITS == 16 |
1222 | value = rand() * value / 65536.0; |
1223 | #else |
1224 | #if RANDBITS == 15 |
1225 | value = rand() * value / 32768.0; |
1226 | #else |
1227 | value = rand() * value / (double)(((unsigned long)1) << RANDBITS); |
1228 | #endif |
1229 | #endif |
1230 | #endif |
1231 | XPUSHn(value); |
1232 | RETURN; |
1233 | } |
1234 | |
1235 | PP(pp_srand) |
1236 | { |
1237 | dSP; |
1238 | I32 anum; |
79072805 |
1239 | |
1240 | if (MAXARG < 1) { |
f12c7020 |
1241 | #ifdef VMS |
1242 | # include <starlet.h> |
1243 | unsigned int when[2]; |
1244 | _ckvmssts(sys$gettim(when)); |
1245 | anum = when[0] ^ when[1]; |
1246 | #else |
1247 | # if defined(I_SYS_TIME) && !defined(PLAN9) |
1248 | struct timeval when; |
1249 | gettimeofday(&when,(struct timezone *) 0); |
1250 | anum = when.tv_sec ^ when.tv_usec; |
1251 | # else |
1252 | Time_t when; |
79072805 |
1253 | (void)time(&when); |
1254 | anum = when; |
f12c7020 |
1255 | # endif |
1256 | #endif |
1257 | #if !defined(PLAN9) /* XXX Plan9 assembler chokes on this; fix coming soon */ |
1258 | /* 17-Jul-1996 bailey@genetics.upenn.edu */ |
1259 | /* What is a good hashing algorithm here? */ |
1260 | anum ^= ( ( 269 * (U32)getpid()) |
1261 | ^ (26107 * (U32)&when) |
1262 | ^ (73819 * (U32)stack_sp)); |
1263 | #endif |
79072805 |
1264 | } |
1265 | else |
1266 | anum = POPi; |
1267 | (void)srand(anum); |
1268 | EXTEND(SP, 1); |
1269 | RETPUSHYES; |
1270 | } |
1271 | |
1272 | PP(pp_exp) |
1273 | { |
a0d0e21e |
1274 | dSP; dTARGET; tryAMAGICun(exp); |
1275 | { |
1276 | double value; |
1277 | value = POPn; |
1278 | value = exp(value); |
1279 | XPUSHn(value); |
1280 | RETURN; |
1281 | } |
79072805 |
1282 | } |
1283 | |
1284 | PP(pp_log) |
1285 | { |
a0d0e21e |
1286 | dSP; dTARGET; tryAMAGICun(log); |
1287 | { |
1288 | double value; |
1289 | value = POPn; |
1290 | if (value <= 0.0) |
2304df62 |
1291 | DIE("Can't take log of %g", value); |
a0d0e21e |
1292 | value = log(value); |
1293 | XPUSHn(value); |
1294 | RETURN; |
1295 | } |
79072805 |
1296 | } |
1297 | |
1298 | PP(pp_sqrt) |
1299 | { |
a0d0e21e |
1300 | dSP; dTARGET; tryAMAGICun(sqrt); |
1301 | { |
1302 | double value; |
1303 | value = POPn; |
1304 | if (value < 0.0) |
2304df62 |
1305 | DIE("Can't take sqrt of %g", value); |
a0d0e21e |
1306 | value = sqrt(value); |
1307 | XPUSHn(value); |
1308 | RETURN; |
1309 | } |
79072805 |
1310 | } |
1311 | |
1312 | PP(pp_int) |
1313 | { |
1314 | dSP; dTARGET; |
1315 | double value; |
a0d0e21e |
1316 | value = POPn; |
79072805 |
1317 | if (value >= 0.0) |
1318 | (void)modf(value, &value); |
1319 | else { |
1320 | (void)modf(-value, &value); |
1321 | value = -value; |
1322 | } |
1323 | XPUSHn(value); |
1324 | RETURN; |
1325 | } |
1326 | |
463ee0b2 |
1327 | PP(pp_abs) |
1328 | { |
a0d0e21e |
1329 | dSP; dTARGET; tryAMAGICun(abs); |
1330 | { |
1331 | double value; |
1332 | value = POPn; |
463ee0b2 |
1333 | |
a0d0e21e |
1334 | if (value < 0.0) |
463ee0b2 |
1335 | value = -value; |
1336 | |
a0d0e21e |
1337 | XPUSHn(value); |
1338 | RETURN; |
1339 | } |
463ee0b2 |
1340 | } |
1341 | |
79072805 |
1342 | PP(pp_hex) |
1343 | { |
1344 | dSP; dTARGET; |
1345 | char *tmps; |
464e2e8a |
1346 | unsigned long value; |
79072805 |
1347 | I32 argtype; |
1348 | |
a0d0e21e |
1349 | tmps = POPp; |
464e2e8a |
1350 | value = scan_hex(tmps, 99, &argtype); |
1351 | if ((IV)value >= 0) |
1352 | XPUSHi(value); |
1353 | else |
1354 | XPUSHn(U_V(value)); |
79072805 |
1355 | RETURN; |
1356 | } |
1357 | |
1358 | PP(pp_oct) |
1359 | { |
1360 | dSP; dTARGET; |
464e2e8a |
1361 | unsigned long value; |
79072805 |
1362 | I32 argtype; |
1363 | char *tmps; |
1364 | |
a0d0e21e |
1365 | tmps = POPp; |
464e2e8a |
1366 | while (*tmps && isSPACE(*tmps)) |
1367 | tmps++; |
1368 | if (*tmps == '0') |
79072805 |
1369 | tmps++; |
1370 | if (*tmps == 'x') |
464e2e8a |
1371 | value = scan_hex(++tmps, 99, &argtype); |
1372 | else |
1373 | value = scan_oct(tmps, 99, &argtype); |
1374 | if ((IV)value >= 0) |
1375 | XPUSHi(value); |
79072805 |
1376 | else |
464e2e8a |
1377 | XPUSHn(U_V(value)); |
79072805 |
1378 | RETURN; |
1379 | } |
1380 | |
1381 | /* String stuff. */ |
1382 | |
1383 | PP(pp_length) |
1384 | { |
1385 | dSP; dTARGET; |
a0d0e21e |
1386 | SETi( sv_len(TOPs) ); |
79072805 |
1387 | RETURN; |
1388 | } |
1389 | |
1390 | PP(pp_substr) |
1391 | { |
1392 | dSP; dTARGET; |
1393 | SV *sv; |
1394 | I32 len; |
463ee0b2 |
1395 | STRLEN curlen; |
79072805 |
1396 | I32 pos; |
1397 | I32 rem; |
a0d0e21e |
1398 | I32 lvalue = op->op_flags & OPf_MOD; |
79072805 |
1399 | char *tmps; |
a0d0e21e |
1400 | I32 arybase = curcop->cop_arybase; |
79072805 |
1401 | |
1402 | if (MAXARG > 2) |
1403 | len = POPi; |
1404 | pos = POPi - arybase; |
1405 | sv = POPs; |
a0d0e21e |
1406 | tmps = SvPV(sv, curlen); |
79072805 |
1407 | if (pos < 0) |
1408 | pos += curlen + arybase; |
2304df62 |
1409 | if (pos < 0 || pos > curlen) { |
a0d0e21e |
1410 | if (dowarn || lvalue) |
2304df62 |
1411 | warn("substr outside of string"); |
1412 | RETPUSHUNDEF; |
1413 | } |
79072805 |
1414 | else { |
1415 | if (MAXARG < 3) |
1416 | len = curlen; |
a0d0e21e |
1417 | else if (len < 0) { |
748a9306 |
1418 | len += curlen - pos; |
a0d0e21e |
1419 | if (len < 0) |
1420 | len = 0; |
1421 | } |
79072805 |
1422 | tmps += pos; |
1423 | rem = curlen - pos; /* rem=how many bytes left*/ |
1424 | if (rem > len) |
1425 | rem = len; |
1426 | sv_setpvn(TARG, tmps, rem); |
1427 | if (lvalue) { /* it's an lvalue! */ |
c07a80fd |
1428 | if (!SvGMAGICAL(sv)) |
1429 | (void)SvPOK_only(sv); |
a0d0e21e |
1430 | if (SvTYPE(TARG) < SVt_PVLV) { |
1431 | sv_upgrade(TARG, SVt_PVLV); |
1432 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); |
ed6116ce |
1433 | } |
a0d0e21e |
1434 | |
79072805 |
1435 | LvTYPE(TARG) = 's'; |
1436 | LvTARG(TARG) = sv; |
a0d0e21e |
1437 | LvTARGOFF(TARG) = pos; |
79072805 |
1438 | LvTARGLEN(TARG) = rem; |
1439 | } |
1440 | } |
1441 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
1442 | RETURN; |
1443 | } |
1444 | |
1445 | PP(pp_vec) |
1446 | { |
1447 | dSP; dTARGET; |
1448 | register I32 size = POPi; |
1449 | register I32 offset = POPi; |
1450 | register SV *src = POPs; |
a0d0e21e |
1451 | I32 lvalue = op->op_flags & OPf_MOD; |
463ee0b2 |
1452 | STRLEN srclen; |
1453 | unsigned char *s = (unsigned char*)SvPV(src, srclen); |
79072805 |
1454 | unsigned long retnum; |
1455 | I32 len; |
1456 | |
1457 | offset *= size; /* turn into bit offset */ |
1458 | len = (offset + size + 7) / 8; |
1459 | if (offset < 0 || size < 1) |
1460 | retnum = 0; |
79072805 |
1461 | else { |
a0d0e21e |
1462 | if (lvalue) { /* it's an lvalue! */ |
1463 | if (SvTYPE(TARG) < SVt_PVLV) { |
1464 | sv_upgrade(TARG, SVt_PVLV); |
1465 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); |
1466 | } |
1467 | |
1468 | LvTYPE(TARG) = 'v'; |
1469 | LvTARG(TARG) = src; |
1470 | LvTARGOFF(TARG) = offset; |
1471 | LvTARGLEN(TARG) = size; |
1472 | } |
93a17b20 |
1473 | if (len > srclen) { |
a0d0e21e |
1474 | if (size <= 8) |
1475 | retnum = 0; |
1476 | else { |
1477 | offset >>= 3; |
748a9306 |
1478 | if (size == 16) { |
1479 | if (offset >= srclen) |
1480 | retnum = 0; |
a0d0e21e |
1481 | else |
748a9306 |
1482 | retnum = (unsigned long) s[offset] << 8; |
1483 | } |
1484 | else if (size == 32) { |
1485 | if (offset >= srclen) |
1486 | retnum = 0; |
1487 | else if (offset + 1 >= srclen) |
a0d0e21e |
1488 | retnum = (unsigned long) s[offset] << 24; |
748a9306 |
1489 | else if (offset + 2 >= srclen) |
1490 | retnum = ((unsigned long) s[offset] << 24) + |
1491 | ((unsigned long) s[offset + 1] << 16); |
1492 | else |
1493 | retnum = ((unsigned long) s[offset] << 24) + |
1494 | ((unsigned long) s[offset + 1] << 16) + |
1495 | (s[offset + 2] << 8); |
a0d0e21e |
1496 | } |
1497 | } |
79072805 |
1498 | } |
a0d0e21e |
1499 | else if (size < 8) |
79072805 |
1500 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
1501 | else { |
1502 | offset >>= 3; |
1503 | if (size == 8) |
1504 | retnum = s[offset]; |
1505 | else if (size == 16) |
1506 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; |
1507 | else if (size == 32) |
1508 | retnum = ((unsigned long) s[offset] << 24) + |
1509 | ((unsigned long) s[offset + 1] << 16) + |
1510 | (s[offset + 2] << 8) + s[offset+3]; |
1511 | } |
79072805 |
1512 | } |
1513 | |
1514 | sv_setiv(TARG, (I32)retnum); |
1515 | PUSHs(TARG); |
1516 | RETURN; |
1517 | } |
1518 | |
1519 | PP(pp_index) |
1520 | { |
1521 | dSP; dTARGET; |
1522 | SV *big; |
1523 | SV *little; |
1524 | I32 offset; |
1525 | I32 retval; |
1526 | char *tmps; |
1527 | char *tmps2; |
463ee0b2 |
1528 | STRLEN biglen; |
a0d0e21e |
1529 | I32 arybase = curcop->cop_arybase; |
79072805 |
1530 | |
1531 | if (MAXARG < 3) |
1532 | offset = 0; |
1533 | else |
1534 | offset = POPi - arybase; |
1535 | little = POPs; |
1536 | big = POPs; |
463ee0b2 |
1537 | tmps = SvPV(big, biglen); |
79072805 |
1538 | if (offset < 0) |
1539 | offset = 0; |
93a17b20 |
1540 | else if (offset > biglen) |
1541 | offset = biglen; |
79072805 |
1542 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
93a17b20 |
1543 | (unsigned char*)tmps + biglen, little))) |
79072805 |
1544 | retval = -1 + arybase; |
1545 | else |
1546 | retval = tmps2 - tmps + arybase; |
1547 | PUSHi(retval); |
1548 | RETURN; |
1549 | } |
1550 | |
1551 | PP(pp_rindex) |
1552 | { |
1553 | dSP; dTARGET; |
1554 | SV *big; |
1555 | SV *little; |
463ee0b2 |
1556 | STRLEN blen; |
1557 | STRLEN llen; |
79072805 |
1558 | SV *offstr; |
1559 | I32 offset; |
1560 | I32 retval; |
1561 | char *tmps; |
1562 | char *tmps2; |
a0d0e21e |
1563 | I32 arybase = curcop->cop_arybase; |
79072805 |
1564 | |
a0d0e21e |
1565 | if (MAXARG >= 3) |
79072805 |
1566 | offstr = POPs; |
1567 | little = POPs; |
1568 | big = POPs; |
463ee0b2 |
1569 | tmps2 = SvPV(little, llen); |
1570 | tmps = SvPV(big, blen); |
79072805 |
1571 | if (MAXARG < 3) |
463ee0b2 |
1572 | offset = blen; |
79072805 |
1573 | else |
463ee0b2 |
1574 | offset = SvIV(offstr) - arybase + llen; |
79072805 |
1575 | if (offset < 0) |
1576 | offset = 0; |
463ee0b2 |
1577 | else if (offset > blen) |
1578 | offset = blen; |
79072805 |
1579 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 |
1580 | tmps2, tmps2 + llen))) |
79072805 |
1581 | retval = -1 + arybase; |
1582 | else |
1583 | retval = tmps2 - tmps + arybase; |
1584 | PUSHi(retval); |
1585 | RETURN; |
1586 | } |
1587 | |
1588 | PP(pp_sprintf) |
1589 | { |
1590 | dSP; dMARK; dORIGMARK; dTARGET; |
1591 | do_sprintf(TARG, SP-MARK, MARK+1); |
1592 | SP = ORIGMARK; |
1593 | PUSHTARG; |
1594 | RETURN; |
1595 | } |
1596 | |
79072805 |
1597 | PP(pp_ord) |
1598 | { |
1599 | dSP; dTARGET; |
1600 | I32 value; |
1601 | char *tmps; |
79072805 |
1602 | |
79072805 |
1603 | #ifndef I286 |
a0d0e21e |
1604 | tmps = POPp; |
79072805 |
1605 | value = (I32) (*tmps & 255); |
1606 | #else |
a0d0e21e |
1607 | I32 anum; |
1608 | tmps = POPp; |
79072805 |
1609 | anum = (I32) *tmps; |
1610 | value = (I32) (anum & 255); |
1611 | #endif |
1612 | XPUSHi(value); |
1613 | RETURN; |
1614 | } |
1615 | |
463ee0b2 |
1616 | PP(pp_chr) |
1617 | { |
1618 | dSP; dTARGET; |
1619 | char *tmps; |
1620 | |
748a9306 |
1621 | (void)SvUPGRADE(TARG,SVt_PV); |
1622 | SvGROW(TARG,2); |
463ee0b2 |
1623 | SvCUR_set(TARG, 1); |
1624 | tmps = SvPVX(TARG); |
748a9306 |
1625 | *tmps++ = POPi; |
1626 | *tmps = '\0'; |
a0d0e21e |
1627 | (void)SvPOK_only(TARG); |
463ee0b2 |
1628 | XPUSHs(TARG); |
1629 | RETURN; |
1630 | } |
1631 | |
79072805 |
1632 | PP(pp_crypt) |
1633 | { |
1634 | dSP; dTARGET; dPOPTOPssrl; |
1635 | #ifdef HAS_CRYPT |
a0d0e21e |
1636 | char *tmps = SvPV(left, na); |
79072805 |
1637 | #ifdef FCRYPT |
a0d0e21e |
1638 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, na))); |
79072805 |
1639 | #else |
a0d0e21e |
1640 | sv_setpv(TARG, crypt(tmps, SvPV(right, na))); |
79072805 |
1641 | #endif |
1642 | #else |
1643 | DIE( |
1644 | "The crypt() function is unimplemented due to excessive paranoia."); |
1645 | #endif |
1646 | SETs(TARG); |
1647 | RETURN; |
1648 | } |
1649 | |
1650 | PP(pp_ucfirst) |
1651 | { |
1652 | dSP; |
1653 | SV *sv = TOPs; |
1654 | register char *s; |
1655 | |
ed6116ce |
1656 | if (!SvPADTMP(sv)) { |
79072805 |
1657 | dTARGET; |
1658 | sv_setsv(TARG, sv); |
1659 | sv = TARG; |
1660 | SETs(sv); |
1661 | } |
a0d0e21e |
1662 | s = SvPV_force(sv, na); |
1663 | if (isLOWER(*s)) |
1664 | *s = toUPPER(*s); |
79072805 |
1665 | |
1666 | RETURN; |
1667 | } |
1668 | |
1669 | PP(pp_lcfirst) |
1670 | { |
1671 | dSP; |
1672 | SV *sv = TOPs; |
1673 | register char *s; |
1674 | |
ed6116ce |
1675 | if (!SvPADTMP(sv)) { |
79072805 |
1676 | dTARGET; |
1677 | sv_setsv(TARG, sv); |
1678 | sv = TARG; |
1679 | SETs(sv); |
1680 | } |
a0d0e21e |
1681 | s = SvPV_force(sv, na); |
1682 | if (isUPPER(*s)) |
1683 | *s = toLOWER(*s); |
79072805 |
1684 | |
1685 | SETs(sv); |
1686 | RETURN; |
1687 | } |
1688 | |
1689 | PP(pp_uc) |
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 (isLOWER(*s)) |
1707 | *s = toUPPER(*s); |
79072805 |
1708 | s++; |
1709 | } |
1710 | RETURN; |
1711 | } |
1712 | |
1713 | PP(pp_lc) |
1714 | { |
1715 | dSP; |
1716 | SV *sv = TOPs; |
1717 | register char *s; |
1718 | register char *send; |
463ee0b2 |
1719 | STRLEN len; |
79072805 |
1720 | |
ed6116ce |
1721 | if (!SvPADTMP(sv)) { |
79072805 |
1722 | dTARGET; |
1723 | sv_setsv(TARG, sv); |
1724 | sv = TARG; |
1725 | SETs(sv); |
1726 | } |
a0d0e21e |
1727 | s = SvPV_force(sv, len); |
463ee0b2 |
1728 | send = s + len; |
79072805 |
1729 | while (s < send) { |
a0d0e21e |
1730 | if (isUPPER(*s)) |
1731 | *s = toLOWER(*s); |
79072805 |
1732 | s++; |
1733 | } |
1734 | RETURN; |
1735 | } |
1736 | |
a0d0e21e |
1737 | PP(pp_quotemeta) |
79072805 |
1738 | { |
a0d0e21e |
1739 | dSP; dTARGET; |
1740 | SV *sv = TOPs; |
1741 | STRLEN len; |
1742 | register char *s = SvPV(sv,len); |
1743 | register char *d; |
79072805 |
1744 | |
a0d0e21e |
1745 | if (len) { |
1746 | (void)SvUPGRADE(TARG, SVt_PV); |
c07a80fd |
1747 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e |
1748 | d = SvPVX(TARG); |
1749 | while (len--) { |
1750 | if (!isALNUM(*s)) |
1751 | *d++ = '\\'; |
1752 | *d++ = *s++; |
79072805 |
1753 | } |
a0d0e21e |
1754 | *d = '\0'; |
1755 | SvCUR_set(TARG, d - SvPVX(TARG)); |
1756 | (void)SvPOK_only(TARG); |
79072805 |
1757 | } |
a0d0e21e |
1758 | else |
1759 | sv_setpvn(TARG, s, len); |
1760 | SETs(TARG); |
79072805 |
1761 | RETURN; |
1762 | } |
1763 | |
a0d0e21e |
1764 | /* Arrays. */ |
79072805 |
1765 | |
a0d0e21e |
1766 | PP(pp_aslice) |
79072805 |
1767 | { |
a0d0e21e |
1768 | dSP; dMARK; dORIGMARK; |
1769 | register SV** svp; |
1770 | register AV* av = (AV*)POPs; |
1771 | register I32 lval = op->op_flags & OPf_MOD; |
748a9306 |
1772 | I32 arybase = curcop->cop_arybase; |
1773 | I32 elem; |
79072805 |
1774 | |
a0d0e21e |
1775 | if (SvTYPE(av) == SVt_PVAV) { |
748a9306 |
1776 | if (lval && op->op_private & OPpLVAL_INTRO) { |
1777 | I32 max = -1; |
1778 | for (svp = mark + 1; svp <= sp; svp++) { |
1779 | elem = SvIVx(*svp); |
1780 | if (elem > max) |
1781 | max = elem; |
1782 | } |
1783 | if (max > AvMAX(av)) |
1784 | av_extend(av, max); |
1785 | } |
a0d0e21e |
1786 | while (++MARK <= SP) { |
748a9306 |
1787 | elem = SvIVx(*MARK); |
a0d0e21e |
1788 | |
748a9306 |
1789 | if (elem > 0) |
1790 | elem -= arybase; |
a0d0e21e |
1791 | svp = av_fetch(av, elem, lval); |
1792 | if (lval) { |
1793 | if (!svp || *svp == &sv_undef) |
1794 | DIE(no_aelem, elem); |
1795 | if (op->op_private & OPpLVAL_INTRO) |
1796 | save_svref(svp); |
79072805 |
1797 | } |
a0d0e21e |
1798 | *MARK = svp ? *svp : &sv_undef; |
79072805 |
1799 | } |
1800 | } |
748a9306 |
1801 | if (GIMME != G_ARRAY) { |
a0d0e21e |
1802 | MARK = ORIGMARK; |
1803 | *++MARK = *SP; |
1804 | SP = MARK; |
1805 | } |
79072805 |
1806 | RETURN; |
1807 | } |
1808 | |
1809 | /* Associative arrays. */ |
1810 | |
1811 | PP(pp_each) |
1812 | { |
1813 | dSP; dTARGET; |
1814 | HV *hash = (HV*)POPs; |
c07a80fd |
1815 | HE *entry; |
c07a80fd |
1816 | |
1817 | PUTBACK; |
1818 | entry = hv_iternext(hash); /* might clobber stack_sp */ |
1819 | SPAGAIN; |
79072805 |
1820 | |
79072805 |
1821 | EXTEND(SP, 2); |
1822 | if (entry) { |
f12c7020 |
1823 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
79072805 |
1824 | if (GIMME == G_ARRAY) { |
c07a80fd |
1825 | PUTBACK; |
1826 | sv_setsv(TARG, hv_iterval(hash, entry)); /* might clobber stack_sp */ |
1827 | SPAGAIN; |
8990e307 |
1828 | PUSHs(TARG); |
79072805 |
1829 | } |
79072805 |
1830 | } |
1831 | else if (GIMME == G_SCALAR) |
1832 | RETPUSHUNDEF; |
1833 | |
1834 | RETURN; |
1835 | } |
1836 | |
1837 | PP(pp_values) |
1838 | { |
1839 | return do_kv(ARGS); |
1840 | } |
1841 | |
1842 | PP(pp_keys) |
1843 | { |
1844 | return do_kv(ARGS); |
1845 | } |
1846 | |
1847 | PP(pp_delete) |
1848 | { |
1849 | dSP; |
1850 | SV *sv; |
1851 | SV *tmpsv = POPs; |
1852 | HV *hv = (HV*)POPs; |
463ee0b2 |
1853 | STRLEN len; |
a0d0e21e |
1854 | if (SvTYPE(hv) != SVt_PVHV) { |
1855 | DIE("Not a HASH reference"); |
79072805 |
1856 | } |
f12c7020 |
1857 | sv = hv_delete_ent(hv, tmpsv, |
1858 | (op->op_private & OPpLEAVE_VOID ? G_DISCARD : 0), 0); |
79072805 |
1859 | if (!sv) |
1860 | RETPUSHUNDEF; |
1861 | PUSHs(sv); |
1862 | RETURN; |
1863 | } |
1864 | |
a0d0e21e |
1865 | PP(pp_exists) |
79072805 |
1866 | { |
a0d0e21e |
1867 | dSP; |
1868 | SV *tmpsv = POPs; |
1869 | HV *hv = (HV*)POPs; |
a0d0e21e |
1870 | STRLEN len; |
1871 | if (SvTYPE(hv) != SVt_PVHV) { |
1872 | DIE("Not a HASH reference"); |
1873 | } |
f12c7020 |
1874 | if (hv_exists_ent(hv, tmpsv, 0)) |
a0d0e21e |
1875 | RETPUSHYES; |
1876 | RETPUSHNO; |
1877 | } |
79072805 |
1878 | |
a0d0e21e |
1879 | PP(pp_hslice) |
1880 | { |
1881 | dSP; dMARK; dORIGMARK; |
f12c7020 |
1882 | register HE *he; |
a0d0e21e |
1883 | register HV *hv = (HV*)POPs; |
1884 | register I32 lval = op->op_flags & OPf_MOD; |
79072805 |
1885 | |
a0d0e21e |
1886 | if (SvTYPE(hv) == SVt_PVHV) { |
1887 | while (++MARK <= SP) { |
f12c7020 |
1888 | SV *keysv = *MARK; |
79072805 |
1889 | |
f12c7020 |
1890 | he = hv_fetch_ent(hv, keysv, lval, 0); |
a0d0e21e |
1891 | if (lval) { |
f12c7020 |
1892 | if (!he || HeVAL(he) == &sv_undef) |
1893 | DIE(no_helem, SvPV(keysv, na)); |
a0d0e21e |
1894 | if (op->op_private & OPpLVAL_INTRO) |
f12c7020 |
1895 | save_svref(&HeVAL(he)); |
93a17b20 |
1896 | } |
f12c7020 |
1897 | *MARK = he ? HeVAL(he) : &sv_undef; |
79072805 |
1898 | } |
1899 | } |
a0d0e21e |
1900 | if (GIMME != G_ARRAY) { |
1901 | MARK = ORIGMARK; |
1902 | *++MARK = *SP; |
1903 | SP = MARK; |
79072805 |
1904 | } |
a0d0e21e |
1905 | RETURN; |
1906 | } |
1907 | |
1908 | /* List operators. */ |
1909 | |
1910 | PP(pp_list) |
1911 | { |
1912 | dSP; dMARK; |
1913 | if (GIMME != G_ARRAY) { |
1914 | if (++MARK <= SP) |
1915 | *MARK = *SP; /* unwanted list, return last item */ |
8990e307 |
1916 | else |
a0d0e21e |
1917 | *MARK = &sv_undef; |
1918 | SP = MARK; |
79072805 |
1919 | } |
a0d0e21e |
1920 | RETURN; |
79072805 |
1921 | } |
1922 | |
a0d0e21e |
1923 | PP(pp_lslice) |
79072805 |
1924 | { |
1925 | dSP; |
a0d0e21e |
1926 | SV **lastrelem = stack_sp; |
1927 | SV **lastlelem = stack_base + POPMARK; |
1928 | SV **firstlelem = stack_base + POPMARK + 1; |
1929 | register SV **firstrelem = lastlelem + 1; |
1930 | I32 arybase = curcop->cop_arybase; |
4633a7c4 |
1931 | I32 lval = op->op_flags & OPf_MOD; |
1932 | I32 is_something_there = lval; |
79072805 |
1933 | |
a0d0e21e |
1934 | register I32 max = lastrelem - lastlelem; |
1935 | register SV **lelem; |
1936 | register I32 ix; |
1937 | |
1938 | if (GIMME != G_ARRAY) { |
748a9306 |
1939 | ix = SvIVx(*lastlelem); |
1940 | if (ix < 0) |
1941 | ix += max; |
1942 | else |
1943 | ix -= arybase; |
a0d0e21e |
1944 | if (ix < 0 || ix >= max) |
1945 | *firstlelem = &sv_undef; |
1946 | else |
1947 | *firstlelem = firstrelem[ix]; |
1948 | SP = firstlelem; |
1949 | RETURN; |
1950 | } |
1951 | |
1952 | if (max == 0) { |
1953 | SP = firstlelem - 1; |
1954 | RETURN; |
1955 | } |
1956 | |
1957 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { |
748a9306 |
1958 | ix = SvIVx(*lelem); |
a0d0e21e |
1959 | if (ix < 0) { |
1960 | ix += max; |
1961 | if (ix < 0) |
1962 | *lelem = &sv_undef; |
1963 | else if (!(*lelem = firstrelem[ix])) |
1964 | *lelem = &sv_undef; |
79072805 |
1965 | } |
748a9306 |
1966 | else { |
1967 | ix -= arybase; |
1968 | if (ix >= max || !(*lelem = firstrelem[ix])) |
1969 | *lelem = &sv_undef; |
1970 | } |
4633a7c4 |
1971 | if (!is_something_there && (SvOKp(*lelem) || SvGMAGICAL(*lelem))) |
1972 | is_something_there = TRUE; |
79072805 |
1973 | } |
4633a7c4 |
1974 | if (is_something_there) |
1975 | SP = lastlelem; |
1976 | else |
1977 | SP = firstlelem - 1; |
79072805 |
1978 | RETURN; |
1979 | } |
1980 | |
a0d0e21e |
1981 | PP(pp_anonlist) |
1982 | { |
1983 | dSP; dMARK; |
1984 | I32 items = SP - MARK; |
1985 | SP = MARK; |
1986 | XPUSHs((SV*)sv_2mortal((SV*)av_make(items, MARK+1))); |
1987 | RETURN; |
1988 | } |
1989 | |
1990 | PP(pp_anonhash) |
79072805 |
1991 | { |
1992 | dSP; dMARK; dORIGMARK; |
a0d0e21e |
1993 | STRLEN len; |
1994 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
1995 | |
1996 | while (MARK < SP) { |
1997 | SV* key = *++MARK; |
a0d0e21e |
1998 | SV *val = NEWSV(46, 0); |
1999 | if (MARK < SP) |
2000 | sv_setsv(val, *++MARK); |
2001 | else |
2002 | warn("Odd number of elements in hash list"); |
f12c7020 |
2003 | (void)hv_store_ent(hv,key,val,0); |
79072805 |
2004 | } |
a0d0e21e |
2005 | SP = ORIGMARK; |
2006 | XPUSHs((SV*)hv); |
79072805 |
2007 | RETURN; |
2008 | } |
2009 | |
a0d0e21e |
2010 | PP(pp_splice) |
79072805 |
2011 | { |
a0d0e21e |
2012 | dSP; dMARK; dORIGMARK; |
2013 | register AV *ary = (AV*)*++MARK; |
2014 | register SV **src; |
2015 | register SV **dst; |
2016 | register I32 i; |
2017 | register I32 offset; |
2018 | register I32 length; |
2019 | I32 newlen; |
2020 | I32 after; |
2021 | I32 diff; |
2022 | SV **tmparyval = 0; |
79072805 |
2023 | |
a0d0e21e |
2024 | SP++; |
79072805 |
2025 | |
a0d0e21e |
2026 | if (++MARK < SP) { |
2027 | offset = SvIVx(*MARK); |
2028 | if (offset < 0) |
2029 | offset += AvFILL(ary) + 1; |
2030 | else |
2031 | offset -= curcop->cop_arybase; |
2032 | if (++MARK < SP) { |
2033 | length = SvIVx(*MARK++); |
2034 | if (length < 0) |
2035 | length = 0; |
79072805 |
2036 | } |
2037 | else |
a0d0e21e |
2038 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 |
2039 | } |
a0d0e21e |
2040 | else { |
2041 | offset = 0; |
2042 | length = AvMAX(ary) + 1; |
2043 | } |
2044 | if (offset < 0) { |
2045 | length += offset; |
2046 | offset = 0; |
2047 | if (length < 0) |
2048 | length = 0; |
2049 | } |
2050 | if (offset > AvFILL(ary) + 1) |
2051 | offset = AvFILL(ary) + 1; |
2052 | after = AvFILL(ary) + 1 - (offset + length); |
2053 | if (after < 0) { /* not that much array */ |
2054 | length += after; /* offset+length now in array */ |
2055 | after = 0; |
2056 | if (!AvALLOC(ary)) |
2057 | av_extend(ary, 0); |
2058 | } |
2059 | |
2060 | /* At this point, MARK .. SP-1 is our new LIST */ |
2061 | |
2062 | newlen = SP - MARK; |
2063 | diff = newlen - length; |
2064 | |
2065 | if (diff < 0) { /* shrinking the area */ |
2066 | if (newlen) { |
2067 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ |
2068 | Copy(MARK, tmparyval, newlen, SV*); |
79072805 |
2069 | } |
a0d0e21e |
2070 | |
2071 | MARK = ORIGMARK + 1; |
2072 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
2073 | MEXTEND(MARK, length); |
2074 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); |
2075 | if (AvREAL(ary)) { |
2076 | for (i = length, dst = MARK; i; i--) |
2077 | sv_2mortal(*dst++); /* free them eventualy */ |
2078 | } |
2079 | MARK += length - 1; |
79072805 |
2080 | } |
a0d0e21e |
2081 | else { |
2082 | *MARK = AvARRAY(ary)[offset+length-1]; |
2083 | if (AvREAL(ary)) { |
2084 | sv_2mortal(*MARK); |
2085 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2086 | SvREFCNT_dec(*dst++); /* free them now */ |
79072805 |
2087 | } |
a0d0e21e |
2088 | } |
2089 | AvFILL(ary) += diff; |
2090 | |
2091 | /* pull up or down? */ |
2092 | |
2093 | if (offset < after) { /* easier to pull up */ |
2094 | if (offset) { /* esp. if nothing to pull */ |
2095 | src = &AvARRAY(ary)[offset-1]; |
2096 | dst = src - diff; /* diff is negative */ |
2097 | for (i = offset; i > 0; i--) /* can't trust Copy */ |
2098 | *dst-- = *src--; |
79072805 |
2099 | } |
a0d0e21e |
2100 | dst = AvARRAY(ary); |
2101 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ |
2102 | AvMAX(ary) += diff; |
2103 | } |
2104 | else { |
2105 | if (after) { /* anything to pull down? */ |
2106 | src = AvARRAY(ary) + offset + length; |
2107 | dst = src + diff; /* diff is negative */ |
2108 | Move(src, dst, after, SV*); |
79072805 |
2109 | } |
a0d0e21e |
2110 | dst = &AvARRAY(ary)[AvFILL(ary)+1]; |
2111 | /* avoid later double free */ |
2112 | } |
2113 | i = -diff; |
2114 | while (i) |
2115 | dst[--i] = &sv_undef; |
2116 | |
2117 | if (newlen) { |
2118 | for (src = tmparyval, dst = AvARRAY(ary) + offset; |
2119 | newlen; newlen--) { |
2120 | *dst = NEWSV(46, 0); |
2121 | sv_setsv(*dst++, *src++); |
79072805 |
2122 | } |
a0d0e21e |
2123 | Safefree(tmparyval); |
2124 | } |
2125 | } |
2126 | else { /* no, expanding (or same) */ |
2127 | if (length) { |
2128 | New(452, tmparyval, length, SV*); /* so remember deletion */ |
2129 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); |
2130 | } |
2131 | |
2132 | if (diff > 0) { /* expanding */ |
2133 | |
2134 | /* push up or down? */ |
2135 | |
2136 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { |
2137 | if (offset) { |
2138 | src = AvARRAY(ary); |
2139 | dst = src - diff; |
2140 | Move(src, dst, offset, SV*); |
79072805 |
2141 | } |
a0d0e21e |
2142 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
2143 | AvMAX(ary) += diff; |
2144 | AvFILL(ary) += diff; |
79072805 |
2145 | } |
2146 | else { |
a0d0e21e |
2147 | if (AvFILL(ary) + diff >= AvMAX(ary)) /* oh, well */ |
2148 | av_extend(ary, AvFILL(ary) + diff); |
2149 | AvFILL(ary) += diff; |
2150 | |
2151 | if (after) { |
2152 | dst = AvARRAY(ary) + AvFILL(ary); |
2153 | src = dst - diff; |
2154 | for (i = after; i; i--) { |
2155 | *dst-- = *src--; |
2156 | } |
79072805 |
2157 | } |
2158 | } |
a0d0e21e |
2159 | } |
2160 | |
2161 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { |
2162 | *dst = NEWSV(46, 0); |
2163 | sv_setsv(*dst++, *src++); |
2164 | } |
2165 | MARK = ORIGMARK + 1; |
2166 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
2167 | if (length) { |
2168 | Copy(tmparyval, MARK, length, SV*); |
2169 | if (AvREAL(ary)) { |
2170 | for (i = length, dst = MARK; i; i--) |
2171 | sv_2mortal(*dst++); /* free them eventualy */ |
79072805 |
2172 | } |
a0d0e21e |
2173 | Safefree(tmparyval); |
79072805 |
2174 | } |
a0d0e21e |
2175 | MARK += length - 1; |
2176 | } |
2177 | else if (length--) { |
2178 | *MARK = tmparyval[length]; |
2179 | if (AvREAL(ary)) { |
2180 | sv_2mortal(*MARK); |
2181 | while (length-- > 0) |
2182 | SvREFCNT_dec(tmparyval[length]); |
79072805 |
2183 | } |
a0d0e21e |
2184 | Safefree(tmparyval); |
79072805 |
2185 | } |
a0d0e21e |
2186 | else |
2187 | *MARK = &sv_undef; |
79072805 |
2188 | } |
a0d0e21e |
2189 | SP = MARK; |
79072805 |
2190 | RETURN; |
2191 | } |
2192 | |
a0d0e21e |
2193 | PP(pp_push) |
79072805 |
2194 | { |
2195 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e |
2196 | register AV *ary = (AV*)*++MARK; |
2197 | register SV *sv = &sv_undef; |
79072805 |
2198 | |
a0d0e21e |
2199 | for (++MARK; MARK <= SP; MARK++) { |
2200 | sv = NEWSV(51, 0); |
2201 | if (*MARK) |
2202 | sv_setsv(sv, *MARK); |
2203 | av_push(ary, sv); |
79072805 |
2204 | } |
2205 | SP = ORIGMARK; |
a0d0e21e |
2206 | PUSHi( AvFILL(ary) + 1 ); |
79072805 |
2207 | RETURN; |
2208 | } |
2209 | |
a0d0e21e |
2210 | PP(pp_pop) |
79072805 |
2211 | { |
2212 | dSP; |
a0d0e21e |
2213 | AV *av = (AV*)POPs; |
2214 | SV *sv = av_pop(av); |
2215 | if (sv != &sv_undef && AvREAL(av)) |
2216 | (void)sv_2mortal(sv); |
2217 | PUSHs(sv); |
79072805 |
2218 | RETURN; |
79072805 |
2219 | } |
2220 | |
a0d0e21e |
2221 | PP(pp_shift) |
79072805 |
2222 | { |
2223 | dSP; |
a0d0e21e |
2224 | AV *av = (AV*)POPs; |
2225 | SV *sv = av_shift(av); |
79072805 |
2226 | EXTEND(SP, 1); |
a0d0e21e |
2227 | if (!sv) |
79072805 |
2228 | RETPUSHUNDEF; |
a0d0e21e |
2229 | if (sv != &sv_undef && AvREAL(av)) |
2230 | (void)sv_2mortal(sv); |
2231 | PUSHs(sv); |
79072805 |
2232 | RETURN; |
79072805 |
2233 | } |
2234 | |
a0d0e21e |
2235 | PP(pp_unshift) |
79072805 |
2236 | { |
a0d0e21e |
2237 | dSP; dMARK; dORIGMARK; dTARGET; |
2238 | register AV *ary = (AV*)*++MARK; |
2239 | register SV *sv; |
2240 | register I32 i = 0; |
79072805 |
2241 | |
a0d0e21e |
2242 | av_unshift(ary, SP - MARK); |
2243 | while (MARK < SP) { |
2244 | sv = NEWSV(27, 0); |
2245 | sv_setsv(sv, *++MARK); |
2246 | (void)av_store(ary, i++, sv); |
79072805 |
2247 | } |
79072805 |
2248 | |
a0d0e21e |
2249 | SP = ORIGMARK; |
2250 | PUSHi( AvFILL(ary) + 1 ); |
79072805 |
2251 | RETURN; |
79072805 |
2252 | } |
2253 | |
a0d0e21e |
2254 | PP(pp_reverse) |
79072805 |
2255 | { |
a0d0e21e |
2256 | dSP; dMARK; |
2257 | register SV *tmp; |
2258 | SV **oldsp = SP; |
79072805 |
2259 | |
a0d0e21e |
2260 | if (GIMME == G_ARRAY) { |
2261 | MARK++; |
2262 | while (MARK < SP) { |
2263 | tmp = *MARK; |
2264 | *MARK++ = *SP; |
2265 | *SP-- = tmp; |
2266 | } |
2267 | SP = oldsp; |
79072805 |
2268 | } |
2269 | else { |
a0d0e21e |
2270 | register char *up; |
2271 | register char *down; |
2272 | register I32 tmp; |
2273 | dTARGET; |
2274 | STRLEN len; |
79072805 |
2275 | |
a0d0e21e |
2276 | if (SP - MARK > 1) |
2277 | do_join(TARG, &sv_no, MARK, SP); |
2278 | else |
2279 | sv_setsv(TARG, *SP); |
2280 | up = SvPV_force(TARG, len); |
2281 | if (len > 1) { |
2282 | down = SvPVX(TARG) + len - 1; |
2283 | while (down > up) { |
2284 | tmp = *up; |
2285 | *up++ = *down; |
2286 | *down-- = tmp; |
2287 | } |
2288 | (void)SvPOK_only(TARG); |
79072805 |
2289 | } |
a0d0e21e |
2290 | SP = MARK + 1; |
2291 | SETTARG; |
79072805 |
2292 | } |
a0d0e21e |
2293 | RETURN; |
79072805 |
2294 | } |
2295 | |
a0d0e21e |
2296 | /* Explosives and implosives. */ |
2297 | |
2298 | PP(pp_unpack) |
79072805 |
2299 | { |
2300 | dSP; |
a0d0e21e |
2301 | dPOPPOPssrl; |
ed6116ce |
2302 | SV *sv; |
a0d0e21e |
2303 | STRLEN llen; |
2304 | STRLEN rlen; |
2305 | register char *pat = SvPV(left, llen); |
2306 | register char *s = SvPV(right, rlen); |
2307 | char *strend = s + rlen; |
2308 | char *strbeg = s; |
2309 | register char *patend = pat + llen; |
2310 | I32 datumtype; |
2311 | register I32 len; |
2312 | register I32 bits; |
79072805 |
2313 | |
a0d0e21e |
2314 | /* These must not be in registers: */ |
2315 | I16 ashort; |
2316 | int aint; |
2317 | I32 along; |
ecfc5424 |
2318 | #ifdef HAS_QUAD |
2319 | Quad_t aquad; |
a0d0e21e |
2320 | #endif |
2321 | U16 aushort; |
2322 | unsigned int auint; |
2323 | U32 aulong; |
ecfc5424 |
2324 | #ifdef HAS_QUAD |
2325 | unsigned Quad_t auquad; |
a0d0e21e |
2326 | #endif |
2327 | char *aptr; |
2328 | float afloat; |
2329 | double adouble; |
2330 | I32 checksum = 0; |
2331 | register U32 culong; |
2332 | double cdouble; |
2333 | static char* bitcount = 0; |
79072805 |
2334 | |
a0d0e21e |
2335 | if (GIMME != G_ARRAY) { /* arrange to do first one only */ |
2336 | /*SUPPRESS 530*/ |
2337 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; |
748a9306 |
2338 | if (strchr("aAbBhHP", *patend) || *pat == '%') { |
a0d0e21e |
2339 | patend++; |
2340 | while (isDIGIT(*patend) || *patend == '*') |
2341 | patend++; |
2342 | } |
2343 | else |
2344 | patend++; |
79072805 |
2345 | } |
a0d0e21e |
2346 | while (pat < patend) { |
2347 | reparse: |
2348 | datumtype = *pat++; |
2349 | if (pat >= patend) |
2350 | len = 1; |
2351 | else if (*pat == '*') { |
2352 | len = strend - strbeg; /* long enough */ |
2353 | pat++; |
2354 | } |
2355 | else if (isDIGIT(*pat)) { |
2356 | len = *pat++ - '0'; |
2357 | while (isDIGIT(*pat)) |
2358 | len = (len * 10) + (*pat++ - '0'); |
2359 | } |
2360 | else |
2361 | len = (datumtype != '@'); |
2362 | switch(datumtype) { |
2363 | default: |
2364 | break; |
2365 | case '%': |
2366 | if (len == 1 && pat[-1] != '1') |
2367 | len = 16; |
2368 | checksum = len; |
2369 | culong = 0; |
2370 | cdouble = 0; |
2371 | if (pat < patend) |
2372 | goto reparse; |
2373 | break; |
2374 | case '@': |
2375 | if (len > strend - strbeg) |
2376 | DIE("@ outside of string"); |
2377 | s = strbeg + len; |
2378 | break; |
2379 | case 'X': |
2380 | if (len > s - strbeg) |
2381 | DIE("X outside of string"); |
2382 | s -= len; |
2383 | break; |
2384 | case 'x': |
2385 | if (len > strend - s) |
2386 | DIE("x outside of string"); |
2387 | s += len; |
2388 | break; |
2389 | case 'A': |
2390 | case 'a': |
2391 | if (len > strend - s) |
2392 | len = strend - s; |
2393 | if (checksum) |
2394 | goto uchar_checksum; |
2395 | sv = NEWSV(35, len); |
2396 | sv_setpvn(sv, s, len); |
2397 | s += len; |
2398 | if (datumtype == 'A') { |
2399 | aptr = s; /* borrow register */ |
2400 | s = SvPVX(sv) + len - 1; |
2401 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) |
2402 | s--; |
2403 | *++s = '\0'; |
2404 | SvCUR_set(sv, s - SvPVX(sv)); |
2405 | s = aptr; /* unborrow register */ |
2406 | } |
2407 | XPUSHs(sv_2mortal(sv)); |
2408 | break; |
2409 | case 'B': |
2410 | case 'b': |
2411 | if (pat[-1] == '*' || len > (strend - s) * 8) |
2412 | len = (strend - s) * 8; |
2413 | if (checksum) { |
2414 | if (!bitcount) { |
2415 | Newz(601, bitcount, 256, char); |
2416 | for (bits = 1; bits < 256; bits++) { |
2417 | if (bits & 1) bitcount[bits]++; |
2418 | if (bits & 2) bitcount[bits]++; |
2419 | if (bits & 4) bitcount[bits]++; |
2420 | if (bits & 8) bitcount[bits]++; |
2421 | if (bits & 16) bitcount[bits]++; |
2422 | if (bits & 32) bitcount[bits]++; |
2423 | if (bits & 64) bitcount[bits]++; |
2424 | if (bits & 128) bitcount[bits]++; |
2425 | } |
2426 | } |
2427 | while (len >= 8) { |
2428 | culong += bitcount[*(unsigned char*)s++]; |
2429 | len -= 8; |
2430 | } |
2431 | if (len) { |
2432 | bits = *s; |
2433 | if (datumtype == 'b') { |
2434 | while (len-- > 0) { |
2435 | if (bits & 1) culong++; |
2436 | bits >>= 1; |
2437 | } |
2438 | } |
2439 | else { |
2440 | while (len-- > 0) { |
2441 | if (bits & 128) culong++; |
2442 | bits <<= 1; |
2443 | } |
2444 | } |
2445 | } |
79072805 |
2446 | break; |
2447 | } |
a0d0e21e |
2448 | sv = NEWSV(35, len + 1); |
2449 | SvCUR_set(sv, len); |
2450 | SvPOK_on(sv); |
2451 | aptr = pat; /* borrow register */ |
2452 | pat = SvPVX(sv); |
2453 | if (datumtype == 'b') { |
2454 | aint = len; |
2455 | for (len = 0; len < aint; len++) { |
2456 | if (len & 7) /*SUPPRESS 595*/ |
2457 | bits >>= 1; |
2458 | else |
2459 | bits = *s++; |
2460 | *pat++ = '0' + (bits & 1); |
2461 | } |
2462 | } |
2463 | else { |
2464 | aint = len; |
2465 | for (len = 0; len < aint; len++) { |
2466 | if (len & 7) |
2467 | bits <<= 1; |
2468 | else |
2469 | bits = *s++; |
2470 | *pat++ = '0' + ((bits & 128) != 0); |
2471 | } |
2472 | } |
2473 | *pat = '\0'; |
2474 | pat = aptr; /* unborrow register */ |
2475 | XPUSHs(sv_2mortal(sv)); |
2476 | break; |
2477 | case 'H': |
2478 | case 'h': |
2479 | if (pat[-1] == '*' || len > (strend - s) * 2) |
2480 | len = (strend - s) * 2; |
2481 | sv = NEWSV(35, len + 1); |
2482 | SvCUR_set(sv, len); |
2483 | SvPOK_on(sv); |
2484 | aptr = pat; /* borrow register */ |
2485 | pat = SvPVX(sv); |
2486 | if (datumtype == 'h') { |
2487 | aint = len; |
2488 | for (len = 0; len < aint; len++) { |
2489 | if (len & 1) |
2490 | bits >>= 4; |
2491 | else |
2492 | bits = *s++; |
2493 | *pat++ = hexdigit[bits & 15]; |
2494 | } |
2495 | } |
2496 | else { |
2497 | aint = len; |
2498 | for (len = 0; len < aint; len++) { |
2499 | if (len & 1) |
2500 | bits <<= 4; |
2501 | else |
2502 | bits = *s++; |
2503 | *pat++ = hexdigit[(bits >> 4) & 15]; |
2504 | } |
2505 | } |
2506 | *pat = '\0'; |
2507 | pat = aptr; /* unborrow register */ |
2508 | XPUSHs(sv_2mortal(sv)); |
2509 | break; |
2510 | case 'c': |
2511 | if (len > strend - s) |
2512 | len = strend - s; |
2513 | if (checksum) { |
2514 | while (len-- > 0) { |
2515 | aint = *s++; |
2516 | if (aint >= 128) /* fake up signed chars */ |
2517 | aint -= 256; |
2518 | culong += aint; |
2519 | } |
2520 | } |
2521 | else { |
2522 | EXTEND(SP, len); |
2523 | while (len-- > 0) { |
2524 | aint = *s++; |
2525 | if (aint >= 128) /* fake up signed chars */ |
2526 | aint -= 256; |
2527 | sv = NEWSV(36, 0); |
2528 | sv_setiv(sv, (I32)aint); |
2529 | PUSHs(sv_2mortal(sv)); |
2530 | } |
2531 | } |
2532 | break; |
2533 | case 'C': |
2534 | if (len > strend - s) |
2535 | len = strend - s; |
2536 | if (checksum) { |
2537 | uchar_checksum: |
2538 | while (len-- > 0) { |
2539 | auint = *s++ & 255; |
2540 | culong += auint; |
2541 | } |
2542 | } |
2543 | else { |
2544 | EXTEND(SP, len); |
2545 | while (len-- > 0) { |
2546 | auint = *s++ & 255; |
2547 | sv = NEWSV(37, 0); |
2548 | sv_setiv(sv, (I32)auint); |
2549 | PUSHs(sv_2mortal(sv)); |
2550 | } |
2551 | } |
2552 | break; |
2553 | case 's': |
2554 | along = (strend - s) / sizeof(I16); |
2555 | if (len > along) |
2556 | len = along; |
2557 | if (checksum) { |
2558 | while (len-- > 0) { |
2559 | Copy(s, &ashort, 1, I16); |
2560 | s += sizeof(I16); |
2561 | culong += ashort; |
2562 | } |
2563 | } |
2564 | else { |
2565 | EXTEND(SP, len); |
2566 | while (len-- > 0) { |
2567 | Copy(s, &ashort, 1, I16); |
2568 | s += sizeof(I16); |
2569 | sv = NEWSV(38, 0); |
2570 | sv_setiv(sv, (I32)ashort); |
2571 | PUSHs(sv_2mortal(sv)); |
2572 | } |
2573 | } |
2574 | break; |
2575 | case 'v': |
2576 | case 'n': |
2577 | case 'S': |
2578 | along = (strend - s) / sizeof(U16); |
2579 | if (len > along) |
2580 | len = along; |
2581 | if (checksum) { |
2582 | while (len-- > 0) { |
2583 | Copy(s, &aushort, 1, U16); |
2584 | s += sizeof(U16); |
2585 | #ifdef HAS_NTOHS |
2586 | if (datumtype == 'n') |
2587 | aushort = ntohs(aushort); |
79072805 |
2588 | #endif |
a0d0e21e |
2589 | #ifdef HAS_VTOHS |
2590 | if (datumtype == 'v') |
2591 | aushort = vtohs(aushort); |
79072805 |
2592 | #endif |
a0d0e21e |
2593 | culong += aushort; |
2594 | } |
2595 | } |
2596 | else { |
2597 | EXTEND(SP, len); |
2598 | while (len-- > 0) { |
2599 | Copy(s, &aushort, 1, U16); |
2600 | s += sizeof(U16); |
2601 | sv = NEWSV(39, 0); |
2602 | #ifdef HAS_NTOHS |
2603 | if (datumtype == 'n') |
2604 | aushort = ntohs(aushort); |
79072805 |
2605 | #endif |
a0d0e21e |
2606 | #ifdef HAS_VTOHS |
2607 | if (datumtype == 'v') |
2608 | aushort = vtohs(aushort); |
79072805 |
2609 | #endif |
a0d0e21e |
2610 | sv_setiv(sv, (I32)aushort); |
2611 | PUSHs(sv_2mortal(sv)); |
2612 | } |
2613 | } |
2614 | break; |
2615 | case 'i': |
2616 | along = (strend - s) / sizeof(int); |
2617 | if (len > along) |
2618 | len = along; |
2619 | if (checksum) { |
2620 | while (len-- > 0) { |
2621 | Copy(s, &aint, 1, int); |
2622 | s += sizeof(int); |
2623 | if (checksum > 32) |
2624 | cdouble += (double)aint; |
2625 | else |
2626 | culong += aint; |
2627 | } |
2628 | } |
2629 | else { |
2630 | EXTEND(SP, len); |
2631 | while (len-- > 0) { |
2632 | Copy(s, &aint, 1, int); |
2633 | s += sizeof(int); |
2634 | sv = NEWSV(40, 0); |
2635 | sv_setiv(sv, (I32)aint); |
2636 | PUSHs(sv_2mortal(sv)); |
2637 | } |
2638 | } |
2639 | break; |
2640 | case 'I': |
2641 | along = (strend - s) / sizeof(unsigned int); |
2642 | if (len > along) |
2643 | len = along; |
2644 | if (checksum) { |
2645 | while (len-- > 0) { |
2646 | Copy(s, &auint, 1, unsigned int); |
2647 | s += sizeof(unsigned int); |
2648 | if (checksum > 32) |
2649 | cdouble += (double)auint; |
2650 | else |
2651 | culong += auint; |
2652 | } |
2653 | } |
2654 | else { |
2655 | EXTEND(SP, len); |
2656 | while (len-- > 0) { |
2657 | Copy(s, &auint, 1, unsigned int); |
2658 | s += sizeof(unsigned int); |
2659 | sv = NEWSV(41, 0); |
2660 | sv_setiv(sv, (I32)auint); |
2661 | PUSHs(sv_2mortal(sv)); |
2662 | } |
2663 | } |
2664 | break; |
2665 | case 'l': |
2666 | along = (strend - s) / sizeof(I32); |
2667 | if (len > along) |
2668 | len = along; |
2669 | if (checksum) { |
2670 | while (len-- > 0) { |
2671 | Copy(s, &along, 1, I32); |
2672 | s += sizeof(I32); |
2673 | if (checksum > 32) |
2674 | cdouble += (double)along; |
2675 | else |
2676 | culong += along; |
2677 | } |
2678 | } |
2679 | else { |
2680 | EXTEND(SP, len); |
2681 | while (len-- > 0) { |
2682 | Copy(s, &along, 1, I32); |
2683 | s += sizeof(I32); |
2684 | sv = NEWSV(42, 0); |
2685 | sv_setiv(sv, (I32)along); |
2686 | PUSHs(sv_2mortal(sv)); |
2687 | } |
79072805 |
2688 | } |
a0d0e21e |
2689 | break; |
2690 | case 'V': |
2691 | case 'N': |
2692 | case 'L': |
2693 | along = (strend - s) / sizeof(U32); |
2694 | if (len > along) |
2695 | len = along; |
2696 | if (checksum) { |
2697 | while (len-- > 0) { |
2698 | Copy(s, &aulong, 1, U32); |
2699 | s += sizeof(U32); |
2700 | #ifdef HAS_NTOHL |
2701 | if (datumtype == 'N') |
2702 | aulong = ntohl(aulong); |
79072805 |
2703 | #endif |
a0d0e21e |
2704 | #ifdef HAS_VTOHL |
2705 | if (datumtype == 'V') |
2706 | aulong = vtohl(aulong); |
79072805 |
2707 | #endif |
a0d0e21e |
2708 | if (checksum > 32) |
2709 | cdouble += (double)aulong; |
2710 | else |
2711 | culong += aulong; |
2712 | } |
2713 | } |
2714 | else { |
2715 | EXTEND(SP, len); |
2716 | while (len-- > 0) { |
2717 | Copy(s, &aulong, 1, U32); |
2718 | s += sizeof(U32); |
2719 | sv = NEWSV(43, 0); |
2720 | #ifdef HAS_NTOHL |
2721 | if (datumtype == 'N') |
2722 | aulong = ntohl(aulong); |
79072805 |
2723 | #endif |
a0d0e21e |
2724 | #ifdef HAS_VTOHL |
2725 | if (datumtype == 'V') |
2726 | aulong = vtohl(aulong); |
79072805 |
2727 | #endif |
a0d0e21e |
2728 | sv_setnv(sv, (double)aulong); |
2729 | PUSHs(sv_2mortal(sv)); |
2730 | } |
2731 | } |
2732 | break; |
2733 | case 'p': |
2734 | along = (strend - s) / sizeof(char*); |
2735 | if (len > along) |
2736 | len = along; |
2737 | EXTEND(SP, len); |
2738 | while (len-- > 0) { |
2739 | if (sizeof(char*) > strend - s) |
2740 | break; |
2741 | else { |
2742 | Copy(s, &aptr, 1, char*); |
2743 | s += sizeof(char*); |
2744 | } |
2745 | sv = NEWSV(44, 0); |
2746 | if (aptr) |
2747 | sv_setpv(sv, aptr); |
2748 | PUSHs(sv_2mortal(sv)); |
2749 | } |
2750 | break; |
2751 | case 'P': |
2752 | EXTEND(SP, 1); |
2753 | if (sizeof(char*) > strend - s) |
2754 | break; |
2755 | else { |
2756 | Copy(s, &aptr, 1, char*); |
2757 | s += sizeof(char*); |
2758 | } |
2759 | sv = NEWSV(44, 0); |
2760 | if (aptr) |
2761 | sv_setpvn(sv, aptr, len); |
2762 | PUSHs(sv_2mortal(sv)); |
2763 | break; |
ecfc5424 |
2764 | #ifdef HAS_QUAD |
a0d0e21e |
2765 | case 'q': |
2766 | EXTEND(SP, len); |
2767 | while (len-- > 0) { |
ecfc5424 |
2768 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e |
2769 | aquad = 0; |
2770 | else { |
ecfc5424 |
2771 | Copy(s, &aquad, 1, Quad_t); |
2772 | s += sizeof(Quad_t); |
a0d0e21e |
2773 | } |
2774 | sv = NEWSV(42, 0); |
2775 | sv_setiv(sv, (IV)aquad); |
2776 | PUSHs(sv_2mortal(sv)); |
2777 | } |
2778 | break; |
2779 | case 'Q': |
2780 | EXTEND(SP, len); |
2781 | while (len-- > 0) { |
ecfc5424 |
2782 | if (s + sizeof(unsigned Quad_t) > strend) |
a0d0e21e |
2783 | auquad = 0; |
2784 | else { |
ecfc5424 |
2785 | Copy(s, &auquad, 1, unsigned Quad_t); |
2786 | s += sizeof(unsigned Quad_t); |
a0d0e21e |
2787 | } |
2788 | sv = NEWSV(43, 0); |
2789 | sv_setiv(sv, (IV)auquad); |
2790 | PUSHs(sv_2mortal(sv)); |
2791 | } |
2792 | break; |
79072805 |
2793 | #endif |
a0d0e21e |
2794 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
2795 | case 'f': |
2796 | case 'F': |
2797 | along = (strend - s) / sizeof(float); |
2798 | if (len > along) |
2799 | len = along; |
2800 | if (checksum) { |
2801 | while (len-- > 0) { |
2802 | Copy(s, &afloat, 1, float); |
2803 | s += sizeof(float); |
2804 | cdouble += afloat; |
2805 | } |
2806 | } |
2807 | else { |
2808 | EXTEND(SP, len); |
2809 | while (len-- > 0) { |
2810 | Copy(s, &afloat, 1, float); |
2811 | s += sizeof(float); |
2812 | sv = NEWSV(47, 0); |
2813 | sv_setnv(sv, (double)afloat); |
2814 | PUSHs(sv_2mortal(sv)); |
2815 | } |
2816 | } |
2817 | break; |
2818 | case 'd': |
2819 | case 'D': |
2820 | along = (strend - s) / sizeof(double); |
2821 | if (len > along) |
2822 | len = along; |
2823 | if (checksum) { |
2824 | while (len-- > 0) { |
2825 | Copy(s, &adouble, 1, double); |
2826 | s += sizeof(double); |
2827 | cdouble += adouble; |
2828 | } |
2829 | } |
2830 | else { |
2831 | EXTEND(SP, len); |
2832 | while (len-- > 0) { |
2833 | Copy(s, &adouble, 1, double); |
2834 | s += sizeof(double); |
2835 | sv = NEWSV(48, 0); |
2836 | sv_setnv(sv, (double)adouble); |
2837 | PUSHs(sv_2mortal(sv)); |
2838 | } |
2839 | } |
2840 | break; |
2841 | case 'u': |
2842 | along = (strend - s) * 3 / 4; |
2843 | sv = NEWSV(42, along); |
f12c7020 |
2844 | if (along) |
2845 | SvPOK_on(sv); |
a0d0e21e |
2846 | while (s < strend && *s > ' ' && *s < 'a') { |
2847 | I32 a, b, c, d; |
2848 | char hunk[4]; |
79072805 |
2849 | |
a0d0e21e |
2850 | hunk[3] = '\0'; |
2851 | len = (*s++ - ' ') & 077; |
2852 | while (len > 0) { |
2853 | if (s < strend && *s >= ' ') |
2854 | a = (*s++ - ' ') & 077; |
2855 | else |
2856 | a = 0; |
2857 | if (s < strend && *s >= ' ') |
2858 | b = (*s++ - ' ') & 077; |
2859 | else |
2860 | b = 0; |
2861 | if (s < strend && *s >= ' ') |
2862 | c = (*s++ - ' ') & 077; |
2863 | else |
2864 | c = 0; |
2865 | if (s < strend && *s >= ' ') |
2866 | d = (*s++ - ' ') & 077; |
2867 | else |
2868 | d = 0; |
2869 | hunk[0] = a << 2 | b >> 4; |
2870 | hunk[1] = b << 4 | c >> 2; |
2871 | hunk[2] = c << 6 | d; |
2872 | sv_catpvn(sv, hunk, len > 3 ? 3 : len); |
2873 | len -= 3; |
2874 | } |
2875 | if (*s == '\n') |
2876 | s++; |
2877 | else if (s[1] == '\n') /* possible checksum byte */ |
2878 | s += 2; |
79072805 |
2879 | } |
a0d0e21e |
2880 | XPUSHs(sv_2mortal(sv)); |
2881 | break; |
79072805 |
2882 | } |
a0d0e21e |
2883 | if (checksum) { |
2884 | sv = NEWSV(42, 0); |
2885 | if (strchr("fFdD", datumtype) || |
2886 | (checksum > 32 && strchr("iIlLN", datumtype)) ) { |
2887 | double trouble; |
79072805 |
2888 | |
a0d0e21e |
2889 | adouble = 1.0; |
2890 | while (checksum >= 16) { |
2891 | checksum -= 16; |
2892 | adouble *= 65536.0; |
2893 | } |
2894 | while (checksum >= 4) { |
2895 | checksum -= 4; |
2896 | adouble *= 16.0; |
2897 | } |
2898 | while (checksum--) |
2899 | adouble *= 2.0; |
2900 | along = (1 << checksum) - 1; |
2901 | while (cdouble < 0.0) |
2902 | cdouble += adouble; |
2903 | cdouble = modf(cdouble / adouble, &trouble) * adouble; |
2904 | sv_setnv(sv, cdouble); |
2905 | } |
2906 | else { |
2907 | if (checksum < 32) { |
2908 | along = (1 << checksum) - 1; |
2909 | culong &= (U32)along; |
2910 | } |
2911 | sv_setnv(sv, (double)culong); |
2912 | } |
2913 | XPUSHs(sv_2mortal(sv)); |
2914 | checksum = 0; |
79072805 |
2915 | } |
79072805 |
2916 | } |
79072805 |
2917 | RETURN; |
79072805 |
2918 | } |
2919 | |
a0d0e21e |
2920 | static void |
2921 | doencodes(sv, s, len) |
2922 | register SV *sv; |
2923 | register char *s; |
2924 | register I32 len; |
79072805 |
2925 | { |
a0d0e21e |
2926 | char hunk[5]; |
79072805 |
2927 | |
a0d0e21e |
2928 | *hunk = len + ' '; |
2929 | sv_catpvn(sv, hunk, 1); |
2930 | hunk[4] = '\0'; |
2931 | while (len > 0) { |
2932 | hunk[0] = ' ' + (077 & (*s >> 2)); |
2933 | hunk[1] = ' ' + (077 & ((*s << 4) & 060 | (s[1] >> 4) & 017)); |
2934 | hunk[2] = ' ' + (077 & ((s[1] << 2) & 074 | (s[2] >> 6) & 03)); |
2935 | hunk[3] = ' ' + (077 & (s[2] & 077)); |
2936 | sv_catpvn(sv, hunk, 4); |
2937 | s += 3; |
2938 | len -= 3; |
2939 | } |
2940 | for (s = SvPVX(sv); *s; s++) { |
2941 | if (*s == ' ') |
2942 | *s = '`'; |
2943 | } |
2944 | sv_catpvn(sv, "\n", 1); |
79072805 |
2945 | } |
2946 | |
a0d0e21e |
2947 | PP(pp_pack) |
79072805 |
2948 | { |
a0d0e21e |
2949 | dSP; dMARK; dORIGMARK; dTARGET; |
2950 | register SV *cat = TARG; |
2951 | register I32 items; |
2952 | STRLEN fromlen; |
2953 | register char *pat = SvPVx(*++MARK, fromlen); |
2954 | register char *patend = pat + fromlen; |
2955 | register I32 len; |
2956 | I32 datumtype; |
2957 | SV *fromstr; |
2958 | /*SUPPRESS 442*/ |
2959 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; |
2960 | static char *space10 = " "; |
79072805 |
2961 | |
a0d0e21e |
2962 | /* These must not be in registers: */ |
2963 | char achar; |
2964 | I16 ashort; |
2965 | int aint; |
2966 | unsigned int auint; |
2967 | I32 along; |
2968 | U32 aulong; |
ecfc5424 |
2969 | #ifdef HAS_QUAD |
2970 | Quad_t aquad; |
2971 | unsigned Quad_t auquad; |
79072805 |
2972 | #endif |
a0d0e21e |
2973 | char *aptr; |
2974 | float afloat; |
2975 | double adouble; |
79072805 |
2976 | |
a0d0e21e |
2977 | items = SP - MARK; |
2978 | MARK++; |
2979 | sv_setpvn(cat, "", 0); |
2980 | while (pat < patend) { |
2981 | #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no) |
2982 | datumtype = *pat++; |
2983 | if (*pat == '*') { |
2984 | len = strchr("@Xxu", datumtype) ? 0 : items; |
2985 | pat++; |
2986 | } |
2987 | else if (isDIGIT(*pat)) { |
2988 | len = *pat++ - '0'; |
2989 | while (isDIGIT(*pat)) |
2990 | len = (len * 10) + (*pat++ - '0'); |
2991 | } |
2992 | else |
2993 | len = 1; |
2994 | switch(datumtype) { |
2995 | default: |
2996 | break; |
2997 | case '%': |
2998 | DIE("%% may only be used in unpack"); |
2999 | case '@': |
3000 | len -= SvCUR(cat); |
3001 | if (len > 0) |
3002 | goto grow; |
3003 | len = -len; |
3004 | if (len > 0) |
3005 | goto shrink; |
3006 | break; |
3007 | case 'X': |
3008 | shrink: |
3009 | if (SvCUR(cat) < len) |
3010 | DIE("X outside of string"); |
3011 | SvCUR(cat) -= len; |
3012 | *SvEND(cat) = '\0'; |
3013 | break; |
3014 | case 'x': |
3015 | grow: |
3016 | while (len >= 10) { |
3017 | sv_catpvn(cat, null10, 10); |
3018 | len -= 10; |
3019 | } |
3020 | sv_catpvn(cat, null10, len); |
3021 | break; |
3022 | case 'A': |
3023 | case 'a': |
3024 | fromstr = NEXTFROM; |
3025 | aptr = SvPV(fromstr, fromlen); |
3026 | if (pat[-1] == '*') |
3027 | len = fromlen; |
3028 | if (fromlen > len) |
3029 | sv_catpvn(cat, aptr, len); |
3030 | else { |
3031 | sv_catpvn(cat, aptr, fromlen); |
3032 | len -= fromlen; |
3033 | if (datumtype == 'A') { |
3034 | while (len >= 10) { |
3035 | sv_catpvn(cat, space10, 10); |
3036 | len -= 10; |
3037 | } |
3038 | sv_catpvn(cat, space10, len); |
3039 | } |
3040 | else { |
3041 | while (len >= 10) { |
3042 | sv_catpvn(cat, null10, 10); |
3043 | len -= 10; |
3044 | } |
3045 | sv_catpvn(cat, null10, len); |
3046 | } |
3047 | } |
3048 | break; |
3049 | case 'B': |
3050 | case 'b': |
3051 | { |
3052 | char *savepat = pat; |
3053 | I32 saveitems; |
79072805 |
3054 | |
a0d0e21e |
3055 | fromstr = NEXTFROM; |
3056 | saveitems = items; |
3057 | aptr = SvPV(fromstr, fromlen); |
3058 | if (pat[-1] == '*') |
3059 | len = fromlen; |
3060 | pat = aptr; |
3061 | aint = SvCUR(cat); |
3062 | SvCUR(cat) += (len+7)/8; |
3063 | SvGROW(cat, SvCUR(cat) + 1); |
3064 | aptr = SvPVX(cat) + aint; |
3065 | if (len > fromlen) |
3066 | len = fromlen; |
3067 | aint = len; |
3068 | items = 0; |
3069 | if (datumtype == 'B') { |
3070 | for (len = 0; len++ < aint;) { |
3071 | items |= *pat++ & 1; |
3072 | if (len & 7) |
3073 | items <<= 1; |
3074 | else { |
3075 | *aptr++ = items & 0xff; |
3076 | items = 0; |
3077 | } |
3078 | } |
3079 | } |
3080 | else { |
3081 | for (len = 0; len++ < aint;) { |
3082 | if (*pat++ & 1) |
3083 | items |= 128; |
3084 | if (len & 7) |
3085 | items >>= 1; |
3086 | else { |
3087 | *aptr++ = items & 0xff; |
3088 | items = 0; |
3089 | } |
3090 | } |
3091 | } |
3092 | if (aint & 7) { |
3093 | if (datumtype == 'B') |
3094 | items <<= 7 - (aint & 7); |
3095 | else |
3096 | items >>= 7 - (aint & 7); |
3097 | *aptr++ = items & 0xff; |
3098 | } |
3099 | pat = SvPVX(cat) + SvCUR(cat); |
3100 | while (aptr <= pat) |
3101 | *aptr++ = '\0'; |
79072805 |
3102 | |
a0d0e21e |
3103 | pat = savepat; |
3104 | items = saveitems; |
3105 | } |
3106 | break; |
3107 | case 'H': |
3108 | case 'h': |
3109 | { |
3110 | char *savepat = pat; |
3111 | I32 saveitems; |
79072805 |
3112 | |
a0d0e21e |
3113 | fromstr = NEXTFROM; |
3114 | saveitems = items; |
3115 | aptr = SvPV(fromstr, fromlen); |
3116 | if (pat[-1] == '*') |
3117 | len = fromlen; |
3118 | pat = aptr; |
3119 | aint = SvCUR(cat); |
3120 | SvCUR(cat) += (len+1)/2; |
3121 | SvGROW(cat, SvCUR(cat) + 1); |
3122 | aptr = SvPVX(cat) + aint; |
3123 | if (len > fromlen) |
3124 | len = fromlen; |
3125 | aint = len; |
3126 | items = 0; |
3127 | if (datumtype == 'H') { |
3128 | for (len = 0; len++ < aint;) { |
3129 | if (isALPHA(*pat)) |
3130 | items |= ((*pat++ & 15) + 9) & 15; |
3131 | else |
3132 | items |= *pat++ & 15; |
3133 | if (len & 1) |
3134 | items <<= 4; |
3135 | else { |
3136 | *aptr++ = items & 0xff; |
3137 | items = 0; |
3138 | } |
3139 | } |
3140 | } |
3141 | else { |
3142 | for (len = 0; len++ < aint;) { |
3143 | if (isALPHA(*pat)) |
3144 | items |= (((*pat++ & 15) + 9) & 15) << 4; |
3145 | else |
3146 | items |= (*pat++ & 15) << 4; |
3147 | if (len & 1) |
3148 | items >>= 4; |
3149 | else { |
3150 | *aptr++ = items & 0xff; |
3151 | items = 0; |
3152 | } |
3153 | } |
3154 | } |
3155 | if (aint & 1) |
3156 | *aptr++ = items & 0xff; |
3157 | pat = SvPVX(cat) + SvCUR(cat); |
3158 | while (aptr <= pat) |
3159 | *aptr++ = '\0'; |
79072805 |
3160 | |
a0d0e21e |
3161 | pat = savepat; |
3162 | items = saveitems; |
3163 | } |
3164 | break; |
3165 | case 'C': |
3166 | case 'c': |
3167 | while (len-- > 0) { |
3168 | fromstr = NEXTFROM; |
3169 | aint = SvIV(fromstr); |
3170 | achar = aint; |
3171 | sv_catpvn(cat, &achar, sizeof(char)); |
3172 | } |
3173 | break; |
3174 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ |
3175 | case 'f': |
3176 | case 'F': |
3177 | while (len-- > 0) { |
3178 | fromstr = NEXTFROM; |
3179 | afloat = (float)SvNV(fromstr); |
3180 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); |
3181 | } |
3182 | break; |
3183 | case 'd': |
3184 | case 'D': |
3185 | while (len-- > 0) { |
3186 | fromstr = NEXTFROM; |
3187 | adouble = (double)SvNV(fromstr); |
3188 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); |
3189 | } |
3190 | break; |
3191 | case 'n': |
3192 | while (len-- > 0) { |
3193 | fromstr = NEXTFROM; |
3194 | ashort = (I16)SvIV(fromstr); |
3195 | #ifdef HAS_HTONS |
3196 | ashort = htons(ashort); |
79072805 |
3197 | #endif |
a0d0e21e |
3198 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3199 | } |
3200 | break; |
3201 | case 'v': |
3202 | while (len-- > 0) { |
3203 | fromstr = NEXTFROM; |
3204 | ashort = (I16)SvIV(fromstr); |
3205 | #ifdef HAS_HTOVS |
3206 | ashort = htovs(ashort); |
79072805 |
3207 | #endif |
a0d0e21e |
3208 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3209 | } |
3210 | break; |
3211 | case 'S': |
3212 | case 's': |
3213 | while (len-- > 0) { |
3214 | fromstr = NEXTFROM; |
3215 | ashort = (I16)SvIV(fromstr); |
3216 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3217 | } |
3218 | break; |
3219 | case 'I': |
3220 | while (len-- > 0) { |
3221 | fromstr = NEXTFROM; |
3222 | auint = U_I(SvNV(fromstr)); |
3223 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
3224 | } |
3225 | break; |
3226 | case 'i': |
3227 | while (len-- > 0) { |
3228 | fromstr = NEXTFROM; |
3229 | aint = SvIV(fromstr); |
3230 | sv_catpvn(cat, (char*)&aint, sizeof(int)); |
3231 | } |
3232 | break; |
3233 | case 'N': |
3234 | while (len-- > 0) { |
3235 | fromstr = NEXTFROM; |
3236 | aulong = U_L(SvNV(fromstr)); |
3237 | #ifdef HAS_HTONL |
3238 | aulong = htonl(aulong); |
79072805 |
3239 | #endif |
a0d0e21e |
3240 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3241 | } |
3242 | break; |
3243 | case 'V': |
3244 | while (len-- > 0) { |
3245 | fromstr = NEXTFROM; |
3246 | aulong = U_L(SvNV(fromstr)); |
3247 | #ifdef HAS_HTOVL |
3248 | aulong = htovl(aulong); |
79072805 |
3249 | #endif |
a0d0e21e |
3250 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3251 | } |
3252 | break; |
3253 | case 'L': |
3254 | while (len-- > 0) { |
3255 | fromstr = NEXTFROM; |
3256 | aulong = U_L(SvNV(fromstr)); |
3257 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3258 | } |
3259 | break; |
3260 | case 'l': |
3261 | while (len-- > 0) { |
3262 | fromstr = NEXTFROM; |
3263 | along = SvIV(fromstr); |
3264 | sv_catpvn(cat, (char*)&along, sizeof(I32)); |
3265 | } |
3266 | break; |
ecfc5424 |
3267 | #ifdef HAS_QUAD |
a0d0e21e |
3268 | case 'Q': |
3269 | while (len-- > 0) { |
3270 | fromstr = NEXTFROM; |
ecfc5424 |
3271 | auquad = (unsigned Quad_t)SvIV(fromstr); |
3272 | sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t)); |
a0d0e21e |
3273 | } |
3274 | break; |
3275 | case 'q': |
3276 | while (len-- > 0) { |
3277 | fromstr = NEXTFROM; |
ecfc5424 |
3278 | aquad = (Quad_t)SvIV(fromstr); |
3279 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); |
a0d0e21e |
3280 | } |
3281 | break; |
ecfc5424 |
3282 | #endif /* HAS_QUAD */ |
a0d0e21e |
3283 | case 'P': |
3284 | len = 1; /* assume SV is correct length */ |
3285 | /* FALL THROUGH */ |
3286 | case 'p': |
3287 | while (len-- > 0) { |
3288 | fromstr = NEXTFROM; |
3289 | aptr = SvPV_force(fromstr, na); /* XXX Error if TEMP? */ |
3290 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
3291 | } |
3292 | break; |
3293 | case 'u': |
3294 | fromstr = NEXTFROM; |
3295 | aptr = SvPV(fromstr, fromlen); |
3296 | SvGROW(cat, fromlen * 4 / 3); |
3297 | if (len <= 1) |
3298 | len = 45; |
3299 | else |
3300 | len = len / 3 * 3; |
3301 | while (fromlen > 0) { |
3302 | I32 todo; |
79072805 |
3303 | |
a0d0e21e |
3304 | if (fromlen > len) |
3305 | todo = len; |
3306 | else |
3307 | todo = fromlen; |
3308 | doencodes(cat, aptr, todo); |
3309 | fromlen -= todo; |
3310 | aptr += todo; |
3311 | } |
3312 | break; |
3313 | } |
3314 | } |
3315 | SvSETMAGIC(cat); |
3316 | SP = ORIGMARK; |
3317 | PUSHs(cat); |
3318 | RETURN; |
79072805 |
3319 | } |
a0d0e21e |
3320 | #undef NEXTFROM |
79072805 |
3321 | |
a0d0e21e |
3322 | PP(pp_split) |
79072805 |
3323 | { |
a0d0e21e |
3324 | dSP; dTARG; |
3325 | AV *ary; |
3326 | register I32 limit = POPi; /* note, negative is forever */ |
3327 | SV *sv = POPs; |
3328 | STRLEN len; |
3329 | register char *s = SvPV(sv, len); |
3330 | char *strend = s + len; |
3331 | register PMOP *pm = (PMOP*)POPs; |
3332 | register SV *dstr; |
3333 | register char *m; |
3334 | I32 iters = 0; |
3335 | I32 maxiters = (strend - s) + 10; |
3336 | I32 i; |
3337 | char *orig; |
3338 | I32 origlimit = limit; |
3339 | I32 realarray = 0; |
3340 | I32 base; |
f12c7020 |
3341 | AV *oldstack = curstack; |
a0d0e21e |
3342 | register REGEXP *rx = pm->op_pmregexp; |
3343 | I32 gimme = GIMME; |
c07a80fd |
3344 | I32 oldsave = savestack_ix; |
79072805 |
3345 | |
a0d0e21e |
3346 | if (!pm || !s) |
3347 | DIE("panic: do_split"); |
3348 | if (pm->op_pmreplroot) |
3349 | ary = GvAVn((GV*)pm->op_pmreplroot); |
3350 | else if (gimme != G_ARRAY) |
3351 | ary = GvAVn(defgv); |
79072805 |
3352 | else |
a0d0e21e |
3353 | ary = Nullav; |
3354 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { |
3355 | realarray = 1; |
3356 | if (!AvREAL(ary)) { |
3357 | AvREAL_on(ary); |
3358 | for (i = AvFILL(ary); i >= 0; i--) |
3359 | AvARRAY(ary)[i] = &sv_undef; /* don't free mere refs */ |
79072805 |
3360 | } |
a0d0e21e |
3361 | av_extend(ary,0); |
3362 | av_clear(ary); |
3363 | /* temporarily switch stacks */ |
f12c7020 |
3364 | SWITCHSTACK(curstack, ary); |
79072805 |
3365 | } |
a0d0e21e |
3366 | base = SP - stack_base; |
3367 | orig = s; |
3368 | if (pm->op_pmflags & PMf_SKIPWHITE) { |
3369 | while (isSPACE(*s)) |
3370 | s++; |
3371 | } |
c07a80fd |
3372 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
3373 | SAVEINT(multiline); |
3374 | multiline = pm->op_pmflags & PMf_MULTILINE; |
3375 | } |
3376 | |
a0d0e21e |
3377 | if (!limit) |
3378 | limit = maxiters + 2; |
3379 | if (pm->op_pmflags & PMf_WHITE) { |
3380 | while (--limit) { |
3381 | /*SUPPRESS 530*/ |
3382 | for (m = s; m < strend && !isSPACE(*m); m++) ; |
3383 | if (m >= strend) |
3384 | break; |
3385 | dstr = NEWSV(30, m-s); |
3386 | sv_setpvn(dstr, s, m-s); |
3387 | if (!realarray) |
3388 | sv_2mortal(dstr); |
3389 | XPUSHs(dstr); |
3390 | /*SUPPRESS 530*/ |
3391 | for (s = m + 1; s < strend && isSPACE(*s); s++) ; |
79072805 |
3392 | } |
3393 | } |
a0d0e21e |
3394 | else if (strEQ("^", rx->precomp)) { |
3395 | while (--limit) { |
3396 | /*SUPPRESS 530*/ |
3397 | for (m = s; m < strend && *m != '\n'; m++) ; |
3398 | m++; |
3399 | if (m >= strend) |
3400 | break; |
3401 | dstr = NEWSV(30, m-s); |
3402 | sv_setpvn(dstr, s, m-s); |
3403 | if (!realarray) |
3404 | sv_2mortal(dstr); |
3405 | XPUSHs(dstr); |
3406 | s = m; |
3407 | } |
3408 | } |
3409 | else if (pm->op_pmshort) { |
3410 | i = SvCUR(pm->op_pmshort); |
3411 | if (i == 1) { |
3412 | I32 fold = (pm->op_pmflags & PMf_FOLD); |
3413 | i = *SvPVX(pm->op_pmshort); |
3414 | if (fold && isUPPER(i)) |
3415 | i = toLOWER(i); |
3416 | while (--limit) { |
3417 | if (fold) { |
3418 | for ( m = s; |
3419 | m < strend && *m != i && |
3420 | (!isUPPER(*m) || toLOWER(*m) != i); |
3421 | m++) /*SUPPRESS 530*/ |
3422 | ; |
3423 | } |
3424 | else /*SUPPRESS 530*/ |
3425 | for (m = s; m < strend && *m != i; m++) ; |
3426 | if (m >= strend) |
3427 | break; |
3428 | dstr = NEWSV(30, m-s); |
3429 | sv_setpvn(dstr, s, m-s); |
3430 | if (!realarray) |
3431 | sv_2mortal(dstr); |
3432 | XPUSHs(dstr); |
3433 | s = m + 1; |
3434 | } |
3435 | } |
3436 | else { |
3437 | #ifndef lint |
3438 | while (s < strend && --limit && |
3439 | (m=fbm_instr((unsigned char*)s, (unsigned char*)strend, |
3440 | pm->op_pmshort)) ) |
79072805 |
3441 | #endif |
a0d0e21e |
3442 | { |
3443 | dstr = NEWSV(31, m-s); |
3444 | sv_setpvn(dstr, s, m-s); |
3445 | if (!realarray) |
3446 | sv_2mortal(dstr); |
3447 | XPUSHs(dstr); |
3448 | s = m + i; |
3449 | } |
463ee0b2 |
3450 | } |
463ee0b2 |
3451 | } |
a0d0e21e |
3452 | else { |
3453 | maxiters += (strend - s) * rx->nparens; |
3454 | while (s < strend && --limit && |
e50aee73 |
3455 | pregexec(rx, s, strend, orig, 1, Nullsv, TRUE) ) { |
a0d0e21e |
3456 | if (rx->subbase |
3457 | && rx->subbase != orig) { |
3458 | m = s; |
3459 | s = orig; |
3460 | orig = rx->subbase; |
3461 | s = orig + (m - s); |
3462 | strend = s + (strend - m); |
3463 | } |
3464 | m = rx->startp[0]; |
3465 | dstr = NEWSV(32, m-s); |
3466 | sv_setpvn(dstr, s, m-s); |
3467 | if (!realarray) |
3468 | sv_2mortal(dstr); |
3469 | XPUSHs(dstr); |
3470 | if (rx->nparens) { |
3471 | for (i = 1; i <= rx->nparens; i++) { |
3472 | s = rx->startp[i]; |
3473 | m = rx->endp[i]; |
748a9306 |
3474 | if (m && s) { |
3475 | dstr = NEWSV(33, m-s); |
3476 | sv_setpvn(dstr, s, m-s); |
3477 | } |
3478 | else |
3479 | dstr = NEWSV(33, 0); |
a0d0e21e |
3480 | if (!realarray) |
3481 | sv_2mortal(dstr); |
3482 | XPUSHs(dstr); |
3483 | } |
3484 | } |
3485 | s = rx->endp[0]; |
3486 | } |
79072805 |
3487 | } |
c07a80fd |
3488 | LEAVE_SCOPE(oldsave); |
a0d0e21e |
3489 | iters = (SP - stack_base) - base; |
3490 | if (iters > maxiters) |
3491 | DIE("Split loop"); |
3492 | |
3493 | /* keep field after final delim? */ |
3494 | if (s < strend || (iters && origlimit)) { |
3495 | dstr = NEWSV(34, strend-s); |
3496 | sv_setpvn(dstr, s, strend-s); |
3497 | if (!realarray) |
3498 | sv_2mortal(dstr); |
3499 | XPUSHs(dstr); |
3500 | iters++; |
79072805 |
3501 | } |
a0d0e21e |
3502 | else if (!origlimit) { |
3503 | while (iters > 0 && SvCUR(TOPs) == 0) |
3504 | iters--, SP--; |
3505 | } |
3506 | if (realarray) { |
3507 | SWITCHSTACK(ary, oldstack); |
3508 | if (gimme == G_ARRAY) { |
3509 | EXTEND(SP, iters); |
3510 | Copy(AvARRAY(ary), SP + 1, iters, SV*); |
3511 | SP += iters; |
3512 | RETURN; |
3513 | } |
3514 | } |
3515 | else { |
3516 | if (gimme == G_ARRAY) |
3517 | RETURN; |
3518 | } |
3519 | if (iters || !pm->op_pmreplroot) { |
3520 | GETTARGET; |
3521 | PUSHi(iters); |
3522 | RETURN; |
3523 | } |
3524 | RETPUSHUNDEF; |
79072805 |
3525 | } |
85e6fe83 |
3526 | |