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)) { |
760ac839 |
573 | if (SvIVX(TOPs) == PERL_LONG_MIN) { |
574 | sv_setnv(TOPs, (double)SvIVX(TOPs) - 1.0); |
575 | } |
576 | else { |
577 | --SvIVX(TOPs); |
578 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
579 | } |
748a9306 |
580 | } |
581 | else |
582 | sv_dec(TOPs); |
a0d0e21e |
583 | SvSETMAGIC(TOPs); |
584 | return NORMAL; |
585 | } |
79072805 |
586 | |
a0d0e21e |
587 | PP(pp_postinc) |
588 | { |
589 | dSP; dTARGET; |
590 | sv_setsv(TARG, TOPs); |
748a9306 |
591 | if (SvIOK(TOPs)) { |
760ac839 |
592 | if (SvIVX(TOPs) == PERL_LONG_MAX) { |
593 | sv_setnv(TOPs, (double)SvIVX(TOPs) + 1.0); |
594 | } |
595 | else { |
596 | ++SvIVX(TOPs); |
597 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
598 | } |
748a9306 |
599 | } |
600 | else |
601 | sv_inc(TOPs); |
a0d0e21e |
602 | SvSETMAGIC(TOPs); |
603 | if (!SvOK(TARG)) |
604 | sv_setiv(TARG, 0); |
605 | SETs(TARG); |
606 | return NORMAL; |
607 | } |
79072805 |
608 | |
a0d0e21e |
609 | PP(pp_postdec) |
610 | { |
611 | dSP; dTARGET; |
612 | sv_setsv(TARG, TOPs); |
748a9306 |
613 | if (SvIOK(TOPs)) { |
760ac839 |
614 | if (SvIVX(TOPs) == PERL_LONG_MIN) { |
615 | sv_setnv(TOPs, (double)SvIVX(TOPs) - 1.0); |
616 | } |
617 | else { |
618 | --SvIVX(TOPs); |
619 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
620 | } |
748a9306 |
621 | } |
622 | else |
623 | sv_dec(TOPs); |
a0d0e21e |
624 | SvSETMAGIC(TOPs); |
625 | SETs(TARG); |
626 | return NORMAL; |
627 | } |
79072805 |
628 | |
a0d0e21e |
629 | /* Ordinary operators. */ |
630 | |
631 | PP(pp_pow) |
632 | { |
633 | dSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
634 | { |
635 | dPOPTOPnnrl; |
636 | SETn( pow( left, right) ); |
637 | RETURN; |
93a17b20 |
638 | } |
a0d0e21e |
639 | } |
640 | |
641 | PP(pp_multiply) |
642 | { |
643 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
644 | { |
645 | dPOPTOPnnrl; |
646 | SETn( left * right ); |
647 | RETURN; |
79072805 |
648 | } |
a0d0e21e |
649 | } |
650 | |
651 | PP(pp_divide) |
652 | { |
653 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
654 | { |
655 | dPOPnv; |
656 | if (value == 0.0) |
657 | DIE("Illegal division by zero"); |
658 | #ifdef SLOPPYDIVIDE |
659 | /* insure that 20./5. == 4. */ |
660 | { |
661 | double x; |
662 | I32 k; |
663 | x = POPn; |
664 | if ((double)I_32(x) == x && |
665 | (double)I_32(value) == value && |
666 | (k = I_32(x)/I_32(value))*I_32(value) == I_32(x)) { |
667 | value = k; |
668 | } else { |
669 | value = x/value; |
79072805 |
670 | } |
a0d0e21e |
671 | } |
672 | #else |
673 | value = POPn / value; |
674 | #endif |
675 | PUSHn( value ); |
676 | RETURN; |
79072805 |
677 | } |
a0d0e21e |
678 | } |
679 | |
680 | PP(pp_modulo) |
681 | { |
682 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
683 | { |
684 | register unsigned long tmpulong; |
685 | register long tmplong; |
686 | I32 value; |
687 | |
688 | tmpulong = (unsigned long) POPn; |
689 | if (tmpulong == 0L) |
690 | DIE("Illegal modulus zero"); |
691 | value = TOPn; |
692 | if (value >= 0.0) |
693 | value = (I32)(((unsigned long)value) % tmpulong); |
694 | else { |
695 | tmplong = (long)value; |
696 | value = (I32)(tmpulong - ((-tmplong - 1) % tmpulong)) - 1; |
697 | } |
698 | SETi(value); |
699 | RETURN; |
79072805 |
700 | } |
a0d0e21e |
701 | } |
79072805 |
702 | |
a0d0e21e |
703 | PP(pp_repeat) |
704 | { |
748a9306 |
705 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
706 | { |
a0d0e21e |
707 | register I32 count = POPi; |
708 | if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) { |
709 | dMARK; |
710 | I32 items = SP - MARK; |
711 | I32 max; |
79072805 |
712 | |
a0d0e21e |
713 | max = items * count; |
714 | MEXTEND(MARK, max); |
715 | if (count > 1) { |
716 | while (SP > MARK) { |
717 | if (*SP) |
718 | SvTEMP_off((*SP)); |
719 | SP--; |
79072805 |
720 | } |
a0d0e21e |
721 | MARK++; |
722 | repeatcpy((char*)(MARK + items), (char*)MARK, |
723 | items * sizeof(SV*), count - 1); |
724 | SP += max; |
79072805 |
725 | } |
a0d0e21e |
726 | else if (count <= 0) |
727 | SP -= items; |
79072805 |
728 | } |
a0d0e21e |
729 | else { /* Note: mark already snarfed by pp_list */ |
730 | SV *tmpstr; |
731 | STRLEN len; |
732 | |
733 | tmpstr = POPs; |
734 | if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) { |
735 | if (SvREADONLY(tmpstr) && curcop != &compiling) |
736 | DIE("Can't x= to readonly value"); |
737 | if (SvROK(tmpstr)) |
738 | sv_unref(tmpstr); |
93a17b20 |
739 | } |
a0d0e21e |
740 | SvSetSV(TARG, tmpstr); |
741 | SvPV_force(TARG, len); |
742 | if (count >= 1) { |
743 | SvGROW(TARG, (count * len) + 1); |
744 | if (count > 1) |
745 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
746 | SvCUR(TARG) *= count; |
747 | *SvEND(TARG) = '\0'; |
748 | (void)SvPOK_only(TARG); |
749 | } |
750 | else |
751 | sv_setsv(TARG, &sv_no); |
752 | PUSHTARG; |
79072805 |
753 | } |
a0d0e21e |
754 | RETURN; |
748a9306 |
755 | } |
a0d0e21e |
756 | } |
79072805 |
757 | |
a0d0e21e |
758 | PP(pp_subtract) |
759 | { |
760 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
761 | { |
762 | dPOPTOPnnrl; |
763 | SETn( left - right ); |
764 | RETURN; |
79072805 |
765 | } |
a0d0e21e |
766 | } |
79072805 |
767 | |
a0d0e21e |
768 | PP(pp_left_shift) |
769 | { |
770 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
771 | { |
748a9306 |
772 | dPOPTOPiirl; |
773 | SETi( left << right ); |
774 | RETURN; |
79072805 |
775 | } |
a0d0e21e |
776 | } |
79072805 |
777 | |
a0d0e21e |
778 | PP(pp_right_shift) |
779 | { |
780 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
781 | { |
782 | dPOPTOPiirl; |
783 | SETi( left >> right ); |
784 | RETURN; |
93a17b20 |
785 | } |
79072805 |
786 | } |
787 | |
a0d0e21e |
788 | PP(pp_lt) |
79072805 |
789 | { |
a0d0e21e |
790 | dSP; tryAMAGICbinSET(lt,0); |
791 | { |
792 | dPOPnv; |
793 | SETs((TOPn < value) ? &sv_yes : &sv_no); |
794 | RETURN; |
79072805 |
795 | } |
a0d0e21e |
796 | } |
79072805 |
797 | |
a0d0e21e |
798 | PP(pp_gt) |
799 | { |
800 | dSP; tryAMAGICbinSET(gt,0); |
801 | { |
802 | dPOPnv; |
803 | SETs((TOPn > value) ? &sv_yes : &sv_no); |
804 | RETURN; |
79072805 |
805 | } |
a0d0e21e |
806 | } |
807 | |
808 | PP(pp_le) |
809 | { |
810 | dSP; tryAMAGICbinSET(le,0); |
811 | { |
812 | dPOPnv; |
813 | SETs((TOPn <= value) ? &sv_yes : &sv_no); |
814 | RETURN; |
79072805 |
815 | } |
a0d0e21e |
816 | } |
817 | |
818 | PP(pp_ge) |
819 | { |
820 | dSP; tryAMAGICbinSET(ge,0); |
821 | { |
822 | dPOPnv; |
823 | SETs((TOPn >= value) ? &sv_yes : &sv_no); |
824 | RETURN; |
79072805 |
825 | } |
a0d0e21e |
826 | } |
79072805 |
827 | |
a0d0e21e |
828 | PP(pp_ne) |
829 | { |
830 | dSP; tryAMAGICbinSET(ne,0); |
831 | { |
832 | dPOPnv; |
833 | SETs((TOPn != value) ? &sv_yes : &sv_no); |
834 | RETURN; |
835 | } |
79072805 |
836 | } |
837 | |
a0d0e21e |
838 | PP(pp_ncmp) |
79072805 |
839 | { |
a0d0e21e |
840 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
841 | { |
842 | dPOPTOPnnrl; |
843 | I32 value; |
79072805 |
844 | |
a0d0e21e |
845 | if (left > right) |
846 | value = 1; |
847 | else if (left < right) |
848 | value = -1; |
849 | else |
850 | value = 0; |
851 | SETi(value); |
852 | RETURN; |
79072805 |
853 | } |
a0d0e21e |
854 | } |
79072805 |
855 | |
a0d0e21e |
856 | PP(pp_slt) |
857 | { |
858 | dSP; tryAMAGICbinSET(slt,0); |
859 | { |
860 | dPOPTOPssrl; |
861 | SETs( sv_cmp(left, right) < 0 ? &sv_yes : &sv_no ); |
862 | RETURN; |
863 | } |
79072805 |
864 | } |
865 | |
a0d0e21e |
866 | PP(pp_sgt) |
79072805 |
867 | { |
a0d0e21e |
868 | dSP; tryAMAGICbinSET(sgt,0); |
869 | { |
870 | dPOPTOPssrl; |
871 | SETs( sv_cmp(left, right) > 0 ? &sv_yes : &sv_no ); |
872 | RETURN; |
873 | } |
874 | } |
79072805 |
875 | |
a0d0e21e |
876 | PP(pp_sle) |
877 | { |
878 | dSP; tryAMAGICbinSET(sle,0); |
879 | { |
880 | dPOPTOPssrl; |
881 | SETs( sv_cmp(left, right) <= 0 ? &sv_yes : &sv_no ); |
882 | RETURN; |
79072805 |
883 | } |
79072805 |
884 | } |
885 | |
a0d0e21e |
886 | PP(pp_sge) |
887 | { |
888 | dSP; tryAMAGICbinSET(sge,0); |
889 | { |
890 | dPOPTOPssrl; |
891 | SETs( sv_cmp(left, right) >= 0 ? &sv_yes : &sv_no ); |
892 | RETURN; |
893 | } |
894 | } |
79072805 |
895 | |
a0d0e21e |
896 | PP(pp_sne) |
79072805 |
897 | { |
a0d0e21e |
898 | dSP; tryAMAGICbinSET(sne,0); |
899 | { |
900 | dPOPTOPssrl; |
901 | SETs( !sv_eq(left, right) ? &sv_yes : &sv_no ); |
902 | RETURN; |
463ee0b2 |
903 | } |
79072805 |
904 | } |
905 | |
a0d0e21e |
906 | PP(pp_scmp) |
79072805 |
907 | { |
a0d0e21e |
908 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
909 | { |
910 | dPOPTOPssrl; |
911 | SETi( sv_cmp(left, right) ); |
912 | RETURN; |
913 | } |
914 | } |
79072805 |
915 | |
a0d0e21e |
916 | PP(pp_bit_and) { |
917 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
918 | { |
919 | dPOPTOPssrl; |
4633a7c4 |
920 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
921 | unsigned long value = U_L(SvNV(left)); |
922 | value = value & U_L(SvNV(right)); |
923 | SETn((double)value); |
924 | } |
925 | else { |
926 | do_vop(op->op_type, TARG, left, right); |
927 | SETTARG; |
928 | } |
929 | RETURN; |
930 | } |
931 | } |
79072805 |
932 | |
a0d0e21e |
933 | PP(pp_bit_xor) |
934 | { |
935 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
936 | { |
937 | dPOPTOPssrl; |
4633a7c4 |
938 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
939 | unsigned long value = U_L(SvNV(left)); |
940 | value = value ^ U_L(SvNV(right)); |
941 | SETn((double)value); |
942 | } |
943 | else { |
944 | do_vop(op->op_type, TARG, left, right); |
945 | SETTARG; |
946 | } |
947 | RETURN; |
948 | } |
949 | } |
79072805 |
950 | |
a0d0e21e |
951 | PP(pp_bit_or) |
952 | { |
953 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
954 | { |
955 | dPOPTOPssrl; |
4633a7c4 |
956 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
957 | unsigned long value = U_L(SvNV(left)); |
958 | value = value | U_L(SvNV(right)); |
959 | SETn((double)value); |
960 | } |
961 | else { |
962 | do_vop(op->op_type, TARG, left, right); |
963 | SETTARG; |
964 | } |
965 | RETURN; |
79072805 |
966 | } |
a0d0e21e |
967 | } |
79072805 |
968 | |
a0d0e21e |
969 | PP(pp_negate) |
970 | { |
971 | dSP; dTARGET; tryAMAGICun(neg); |
972 | { |
973 | dTOPss; |
4633a7c4 |
974 | if (SvGMAGICAL(sv)) |
975 | mg_get(sv); |
976 | if (SvNIOKp(sv)) |
a0d0e21e |
977 | SETn(-SvNV(sv)); |
4633a7c4 |
978 | else if (SvPOKp(sv)) { |
a0d0e21e |
979 | STRLEN len; |
980 | char *s = SvPV(sv, len); |
981 | if (isALPHA(*s) || *s == '_') { |
982 | sv_setpvn(TARG, "-", 1); |
983 | sv_catsv(TARG, sv); |
79072805 |
984 | } |
a0d0e21e |
985 | else if (*s == '+' || *s == '-') { |
986 | sv_setsv(TARG, sv); |
987 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; |
79072805 |
988 | } |
989 | else |
a0d0e21e |
990 | sv_setnv(TARG, -SvNV(sv)); |
991 | SETTARG; |
79072805 |
992 | } |
4633a7c4 |
993 | else |
994 | SETn(-SvNV(sv)); |
79072805 |
995 | } |
a0d0e21e |
996 | RETURN; |
79072805 |
997 | } |
998 | |
a0d0e21e |
999 | PP(pp_not) |
79072805 |
1000 | { |
a0d0e21e |
1001 | #ifdef OVERLOAD |
1002 | dSP; tryAMAGICunSET(not); |
1003 | #endif /* OVERLOAD */ |
1004 | *stack_sp = SvTRUE(*stack_sp) ? &sv_no : &sv_yes; |
1005 | return NORMAL; |
79072805 |
1006 | } |
1007 | |
a0d0e21e |
1008 | PP(pp_complement) |
79072805 |
1009 | { |
a0d0e21e |
1010 | dSP; dTARGET; tryAMAGICun(compl); |
1011 | { |
1012 | dTOPss; |
1013 | register I32 anum; |
1014 | |
4633a7c4 |
1015 | if (SvNIOKp(sv)) { |
748a9306 |
1016 | IV iv = ~SvIV(sv); |
1017 | if (iv < 0) |
1018 | SETn( (double) ~U_L(SvNV(sv)) ); |
1019 | else |
1020 | SETi( iv ); |
a0d0e21e |
1021 | } |
1022 | else { |
1023 | register char *tmps; |
1024 | register long *tmpl; |
1025 | STRLEN len; |
1026 | |
1027 | SvSetSV(TARG, sv); |
1028 | tmps = SvPV_force(TARG, len); |
1029 | anum = len; |
1030 | #ifdef LIBERAL |
1031 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) |
1032 | *tmps = ~*tmps; |
1033 | tmpl = (long*)tmps; |
1034 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) |
1035 | *tmpl = ~*tmpl; |
1036 | tmps = (char*)tmpl; |
1037 | #endif |
1038 | for ( ; anum > 0; anum--, tmps++) |
1039 | *tmps = ~*tmps; |
1040 | |
1041 | SETs(TARG); |
1042 | } |
1043 | RETURN; |
1044 | } |
79072805 |
1045 | } |
1046 | |
a0d0e21e |
1047 | /* integer versions of some of the above */ |
1048 | |
a0d0e21e |
1049 | PP(pp_i_multiply) |
79072805 |
1050 | { |
a0d0e21e |
1051 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
1052 | { |
1053 | dPOPTOPiirl; |
1054 | SETi( left * right ); |
1055 | RETURN; |
1056 | } |
79072805 |
1057 | } |
1058 | |
a0d0e21e |
1059 | PP(pp_i_divide) |
79072805 |
1060 | { |
a0d0e21e |
1061 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
1062 | { |
1063 | dPOPiv; |
1064 | if (value == 0) |
1065 | DIE("Illegal division by zero"); |
1066 | value = POPi / value; |
1067 | PUSHi( value ); |
1068 | RETURN; |
1069 | } |
79072805 |
1070 | } |
1071 | |
a0d0e21e |
1072 | PP(pp_i_modulo) |
79072805 |
1073 | { |
a0d0e21e |
1074 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
79072805 |
1075 | { |
a0d0e21e |
1076 | dPOPTOPiirl; |
1077 | SETi( left % right ); |
1078 | RETURN; |
79072805 |
1079 | } |
79072805 |
1080 | } |
1081 | |
a0d0e21e |
1082 | PP(pp_i_add) |
79072805 |
1083 | { |
a0d0e21e |
1084 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
1085 | { |
1086 | dPOPTOPiirl; |
1087 | SETi( left + right ); |
1088 | RETURN; |
79072805 |
1089 | } |
79072805 |
1090 | } |
1091 | |
a0d0e21e |
1092 | PP(pp_i_subtract) |
79072805 |
1093 | { |
a0d0e21e |
1094 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
1095 | { |
1096 | dPOPTOPiirl; |
1097 | SETi( left - right ); |
1098 | RETURN; |
79072805 |
1099 | } |
79072805 |
1100 | } |
1101 | |
a0d0e21e |
1102 | PP(pp_i_lt) |
79072805 |
1103 | { |
a0d0e21e |
1104 | dSP; tryAMAGICbinSET(lt,0); |
1105 | { |
1106 | dPOPTOPiirl; |
1107 | SETs((left < right) ? &sv_yes : &sv_no); |
1108 | RETURN; |
1109 | } |
79072805 |
1110 | } |
1111 | |
a0d0e21e |
1112 | PP(pp_i_gt) |
79072805 |
1113 | { |
a0d0e21e |
1114 | dSP; tryAMAGICbinSET(gt,0); |
1115 | { |
1116 | dPOPTOPiirl; |
1117 | SETs((left > right) ? &sv_yes : &sv_no); |
1118 | RETURN; |
1119 | } |
79072805 |
1120 | } |
1121 | |
a0d0e21e |
1122 | PP(pp_i_le) |
79072805 |
1123 | { |
a0d0e21e |
1124 | dSP; tryAMAGICbinSET(le,0); |
1125 | { |
1126 | dPOPTOPiirl; |
1127 | SETs((left <= right) ? &sv_yes : &sv_no); |
1128 | RETURN; |
85e6fe83 |
1129 | } |
79072805 |
1130 | } |
1131 | |
a0d0e21e |
1132 | PP(pp_i_ge) |
79072805 |
1133 | { |
a0d0e21e |
1134 | dSP; tryAMAGICbinSET(ge,0); |
1135 | { |
1136 | dPOPTOPiirl; |
1137 | SETs((left >= right) ? &sv_yes : &sv_no); |
1138 | RETURN; |
1139 | } |
79072805 |
1140 | } |
1141 | |
a0d0e21e |
1142 | PP(pp_i_eq) |
79072805 |
1143 | { |
a0d0e21e |
1144 | dSP; tryAMAGICbinSET(eq,0); |
1145 | { |
1146 | dPOPTOPiirl; |
1147 | SETs((left == right) ? &sv_yes : &sv_no); |
1148 | RETURN; |
1149 | } |
79072805 |
1150 | } |
1151 | |
a0d0e21e |
1152 | PP(pp_i_ne) |
79072805 |
1153 | { |
a0d0e21e |
1154 | dSP; tryAMAGICbinSET(ne,0); |
1155 | { |
1156 | dPOPTOPiirl; |
1157 | SETs((left != right) ? &sv_yes : &sv_no); |
1158 | RETURN; |
1159 | } |
79072805 |
1160 | } |
1161 | |
a0d0e21e |
1162 | PP(pp_i_ncmp) |
79072805 |
1163 | { |
a0d0e21e |
1164 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
1165 | { |
1166 | dPOPTOPiirl; |
1167 | I32 value; |
79072805 |
1168 | |
a0d0e21e |
1169 | if (left > right) |
79072805 |
1170 | value = 1; |
a0d0e21e |
1171 | else if (left < right) |
79072805 |
1172 | value = -1; |
a0d0e21e |
1173 | else |
79072805 |
1174 | value = 0; |
a0d0e21e |
1175 | SETi(value); |
1176 | RETURN; |
79072805 |
1177 | } |
85e6fe83 |
1178 | } |
1179 | |
1180 | PP(pp_i_negate) |
1181 | { |
a0d0e21e |
1182 | dSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 |
1183 | SETi(-TOPi); |
1184 | RETURN; |
1185 | } |
1186 | |
79072805 |
1187 | /* High falutin' math. */ |
1188 | |
1189 | PP(pp_atan2) |
1190 | { |
a0d0e21e |
1191 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
1192 | { |
1193 | dPOPTOPnnrl; |
1194 | SETn(atan2(left, right)); |
1195 | RETURN; |
1196 | } |
79072805 |
1197 | } |
1198 | |
1199 | PP(pp_sin) |
1200 | { |
a0d0e21e |
1201 | dSP; dTARGET; tryAMAGICun(sin); |
1202 | { |
1203 | double value; |
1204 | value = POPn; |
1205 | value = sin(value); |
1206 | XPUSHn(value); |
1207 | RETURN; |
1208 | } |
79072805 |
1209 | } |
1210 | |
1211 | PP(pp_cos) |
1212 | { |
a0d0e21e |
1213 | dSP; dTARGET; tryAMAGICun(cos); |
1214 | { |
1215 | double value; |
1216 | value = POPn; |
1217 | value = cos(value); |
1218 | XPUSHn(value); |
1219 | RETURN; |
1220 | } |
79072805 |
1221 | } |
1222 | |
1223 | PP(pp_rand) |
1224 | { |
1225 | dSP; dTARGET; |
1226 | double value; |
1227 | if (MAXARG < 1) |
1228 | value = 1.0; |
1229 | else |
1230 | value = POPn; |
1231 | if (value == 0.0) |
1232 | value = 1.0; |
1233 | #if RANDBITS == 31 |
1234 | value = rand() * value / 2147483648.0; |
1235 | #else |
1236 | #if RANDBITS == 16 |
1237 | value = rand() * value / 65536.0; |
1238 | #else |
1239 | #if RANDBITS == 15 |
1240 | value = rand() * value / 32768.0; |
1241 | #else |
1242 | value = rand() * value / (double)(((unsigned long)1) << RANDBITS); |
1243 | #endif |
1244 | #endif |
1245 | #endif |
1246 | XPUSHn(value); |
1247 | RETURN; |
1248 | } |
1249 | |
1250 | PP(pp_srand) |
1251 | { |
1252 | dSP; |
1253 | I32 anum; |
79072805 |
1254 | |
1255 | if (MAXARG < 1) { |
f12c7020 |
1256 | #ifdef VMS |
1257 | # include <starlet.h> |
1258 | unsigned int when[2]; |
1259 | _ckvmssts(sys$gettim(when)); |
1260 | anum = when[0] ^ when[1]; |
1261 | #else |
1262 | # if defined(I_SYS_TIME) && !defined(PLAN9) |
1263 | struct timeval when; |
1264 | gettimeofday(&when,(struct timezone *) 0); |
1265 | anum = when.tv_sec ^ when.tv_usec; |
1266 | # else |
1267 | Time_t when; |
79072805 |
1268 | (void)time(&when); |
1269 | anum = when; |
f12c7020 |
1270 | # endif |
1271 | #endif |
1272 | #if !defined(PLAN9) /* XXX Plan9 assembler chokes on this; fix coming soon */ |
1273 | /* 17-Jul-1996 bailey@genetics.upenn.edu */ |
1274 | /* What is a good hashing algorithm here? */ |
1275 | anum ^= ( ( 269 * (U32)getpid()) |
1276 | ^ (26107 * (U32)&when) |
1277 | ^ (73819 * (U32)stack_sp)); |
1278 | #endif |
79072805 |
1279 | } |
1280 | else |
1281 | anum = POPi; |
1282 | (void)srand(anum); |
1283 | EXTEND(SP, 1); |
1284 | RETPUSHYES; |
1285 | } |
1286 | |
1287 | PP(pp_exp) |
1288 | { |
a0d0e21e |
1289 | dSP; dTARGET; tryAMAGICun(exp); |
1290 | { |
1291 | double value; |
1292 | value = POPn; |
1293 | value = exp(value); |
1294 | XPUSHn(value); |
1295 | RETURN; |
1296 | } |
79072805 |
1297 | } |
1298 | |
1299 | PP(pp_log) |
1300 | { |
a0d0e21e |
1301 | dSP; dTARGET; tryAMAGICun(log); |
1302 | { |
1303 | double value; |
1304 | value = POPn; |
1305 | if (value <= 0.0) |
2304df62 |
1306 | DIE("Can't take log of %g", value); |
a0d0e21e |
1307 | value = log(value); |
1308 | XPUSHn(value); |
1309 | RETURN; |
1310 | } |
79072805 |
1311 | } |
1312 | |
1313 | PP(pp_sqrt) |
1314 | { |
a0d0e21e |
1315 | dSP; dTARGET; tryAMAGICun(sqrt); |
1316 | { |
1317 | double value; |
1318 | value = POPn; |
1319 | if (value < 0.0) |
2304df62 |
1320 | DIE("Can't take sqrt of %g", value); |
a0d0e21e |
1321 | value = sqrt(value); |
1322 | XPUSHn(value); |
1323 | RETURN; |
1324 | } |
79072805 |
1325 | } |
1326 | |
1327 | PP(pp_int) |
1328 | { |
1329 | dSP; dTARGET; |
1330 | double value; |
a0d0e21e |
1331 | value = POPn; |
79072805 |
1332 | if (value >= 0.0) |
1333 | (void)modf(value, &value); |
1334 | else { |
1335 | (void)modf(-value, &value); |
1336 | value = -value; |
1337 | } |
1338 | XPUSHn(value); |
1339 | RETURN; |
1340 | } |
1341 | |
463ee0b2 |
1342 | PP(pp_abs) |
1343 | { |
a0d0e21e |
1344 | dSP; dTARGET; tryAMAGICun(abs); |
1345 | { |
1346 | double value; |
1347 | value = POPn; |
463ee0b2 |
1348 | |
a0d0e21e |
1349 | if (value < 0.0) |
463ee0b2 |
1350 | value = -value; |
1351 | |
a0d0e21e |
1352 | XPUSHn(value); |
1353 | RETURN; |
1354 | } |
463ee0b2 |
1355 | } |
1356 | |
79072805 |
1357 | PP(pp_hex) |
1358 | { |
1359 | dSP; dTARGET; |
1360 | char *tmps; |
464e2e8a |
1361 | unsigned long value; |
79072805 |
1362 | I32 argtype; |
1363 | |
a0d0e21e |
1364 | tmps = POPp; |
464e2e8a |
1365 | value = scan_hex(tmps, 99, &argtype); |
1366 | if ((IV)value >= 0) |
1367 | XPUSHi(value); |
1368 | else |
1369 | XPUSHn(U_V(value)); |
79072805 |
1370 | RETURN; |
1371 | } |
1372 | |
1373 | PP(pp_oct) |
1374 | { |
1375 | dSP; dTARGET; |
464e2e8a |
1376 | unsigned long value; |
79072805 |
1377 | I32 argtype; |
1378 | char *tmps; |
1379 | |
a0d0e21e |
1380 | tmps = POPp; |
464e2e8a |
1381 | while (*tmps && isSPACE(*tmps)) |
1382 | tmps++; |
1383 | if (*tmps == '0') |
79072805 |
1384 | tmps++; |
1385 | if (*tmps == 'x') |
464e2e8a |
1386 | value = scan_hex(++tmps, 99, &argtype); |
1387 | else |
1388 | value = scan_oct(tmps, 99, &argtype); |
1389 | if ((IV)value >= 0) |
1390 | XPUSHi(value); |
79072805 |
1391 | else |
464e2e8a |
1392 | XPUSHn(U_V(value)); |
79072805 |
1393 | RETURN; |
1394 | } |
1395 | |
1396 | /* String stuff. */ |
1397 | |
1398 | PP(pp_length) |
1399 | { |
1400 | dSP; dTARGET; |
a0d0e21e |
1401 | SETi( sv_len(TOPs) ); |
79072805 |
1402 | RETURN; |
1403 | } |
1404 | |
1405 | PP(pp_substr) |
1406 | { |
1407 | dSP; dTARGET; |
1408 | SV *sv; |
1409 | I32 len; |
463ee0b2 |
1410 | STRLEN curlen; |
79072805 |
1411 | I32 pos; |
1412 | I32 rem; |
a0d0e21e |
1413 | I32 lvalue = op->op_flags & OPf_MOD; |
79072805 |
1414 | char *tmps; |
a0d0e21e |
1415 | I32 arybase = curcop->cop_arybase; |
79072805 |
1416 | |
1417 | if (MAXARG > 2) |
1418 | len = POPi; |
1419 | pos = POPi - arybase; |
1420 | sv = POPs; |
a0d0e21e |
1421 | tmps = SvPV(sv, curlen); |
79072805 |
1422 | if (pos < 0) |
1423 | pos += curlen + arybase; |
2304df62 |
1424 | if (pos < 0 || pos > curlen) { |
a0d0e21e |
1425 | if (dowarn || lvalue) |
2304df62 |
1426 | warn("substr outside of string"); |
1427 | RETPUSHUNDEF; |
1428 | } |
79072805 |
1429 | else { |
1430 | if (MAXARG < 3) |
1431 | len = curlen; |
a0d0e21e |
1432 | else if (len < 0) { |
748a9306 |
1433 | len += curlen - pos; |
a0d0e21e |
1434 | if (len < 0) |
1435 | len = 0; |
1436 | } |
79072805 |
1437 | tmps += pos; |
1438 | rem = curlen - pos; /* rem=how many bytes left*/ |
1439 | if (rem > len) |
1440 | rem = len; |
1441 | sv_setpvn(TARG, tmps, rem); |
1442 | if (lvalue) { /* it's an lvalue! */ |
c07a80fd |
1443 | if (!SvGMAGICAL(sv)) |
1444 | (void)SvPOK_only(sv); |
a0d0e21e |
1445 | if (SvTYPE(TARG) < SVt_PVLV) { |
1446 | sv_upgrade(TARG, SVt_PVLV); |
1447 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); |
ed6116ce |
1448 | } |
a0d0e21e |
1449 | |
79072805 |
1450 | LvTYPE(TARG) = 's'; |
1451 | LvTARG(TARG) = sv; |
a0d0e21e |
1452 | LvTARGOFF(TARG) = pos; |
79072805 |
1453 | LvTARGLEN(TARG) = rem; |
1454 | } |
1455 | } |
1456 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
1457 | RETURN; |
1458 | } |
1459 | |
1460 | PP(pp_vec) |
1461 | { |
1462 | dSP; dTARGET; |
1463 | register I32 size = POPi; |
1464 | register I32 offset = POPi; |
1465 | register SV *src = POPs; |
a0d0e21e |
1466 | I32 lvalue = op->op_flags & OPf_MOD; |
463ee0b2 |
1467 | STRLEN srclen; |
1468 | unsigned char *s = (unsigned char*)SvPV(src, srclen); |
79072805 |
1469 | unsigned long retnum; |
1470 | I32 len; |
1471 | |
1472 | offset *= size; /* turn into bit offset */ |
1473 | len = (offset + size + 7) / 8; |
1474 | if (offset < 0 || size < 1) |
1475 | retnum = 0; |
79072805 |
1476 | else { |
a0d0e21e |
1477 | if (lvalue) { /* it's an lvalue! */ |
1478 | if (SvTYPE(TARG) < SVt_PVLV) { |
1479 | sv_upgrade(TARG, SVt_PVLV); |
1480 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); |
1481 | } |
1482 | |
1483 | LvTYPE(TARG) = 'v'; |
1484 | LvTARG(TARG) = src; |
1485 | LvTARGOFF(TARG) = offset; |
1486 | LvTARGLEN(TARG) = size; |
1487 | } |
93a17b20 |
1488 | if (len > srclen) { |
a0d0e21e |
1489 | if (size <= 8) |
1490 | retnum = 0; |
1491 | else { |
1492 | offset >>= 3; |
748a9306 |
1493 | if (size == 16) { |
1494 | if (offset >= srclen) |
1495 | retnum = 0; |
a0d0e21e |
1496 | else |
748a9306 |
1497 | retnum = (unsigned long) s[offset] << 8; |
1498 | } |
1499 | else if (size == 32) { |
1500 | if (offset >= srclen) |
1501 | retnum = 0; |
1502 | else if (offset + 1 >= srclen) |
a0d0e21e |
1503 | retnum = (unsigned long) s[offset] << 24; |
748a9306 |
1504 | else if (offset + 2 >= srclen) |
1505 | retnum = ((unsigned long) s[offset] << 24) + |
1506 | ((unsigned long) s[offset + 1] << 16); |
1507 | else |
1508 | retnum = ((unsigned long) s[offset] << 24) + |
1509 | ((unsigned long) s[offset + 1] << 16) + |
1510 | (s[offset + 2] << 8); |
a0d0e21e |
1511 | } |
1512 | } |
79072805 |
1513 | } |
a0d0e21e |
1514 | else if (size < 8) |
79072805 |
1515 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
1516 | else { |
1517 | offset >>= 3; |
1518 | if (size == 8) |
1519 | retnum = s[offset]; |
1520 | else if (size == 16) |
1521 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; |
1522 | else if (size == 32) |
1523 | retnum = ((unsigned long) s[offset] << 24) + |
1524 | ((unsigned long) s[offset + 1] << 16) + |
1525 | (s[offset + 2] << 8) + s[offset+3]; |
1526 | } |
79072805 |
1527 | } |
1528 | |
1529 | sv_setiv(TARG, (I32)retnum); |
1530 | PUSHs(TARG); |
1531 | RETURN; |
1532 | } |
1533 | |
1534 | PP(pp_index) |
1535 | { |
1536 | dSP; dTARGET; |
1537 | SV *big; |
1538 | SV *little; |
1539 | I32 offset; |
1540 | I32 retval; |
1541 | char *tmps; |
1542 | char *tmps2; |
463ee0b2 |
1543 | STRLEN biglen; |
a0d0e21e |
1544 | I32 arybase = curcop->cop_arybase; |
79072805 |
1545 | |
1546 | if (MAXARG < 3) |
1547 | offset = 0; |
1548 | else |
1549 | offset = POPi - arybase; |
1550 | little = POPs; |
1551 | big = POPs; |
463ee0b2 |
1552 | tmps = SvPV(big, biglen); |
79072805 |
1553 | if (offset < 0) |
1554 | offset = 0; |
93a17b20 |
1555 | else if (offset > biglen) |
1556 | offset = biglen; |
79072805 |
1557 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
93a17b20 |
1558 | (unsigned char*)tmps + biglen, little))) |
79072805 |
1559 | retval = -1 + arybase; |
1560 | else |
1561 | retval = tmps2 - tmps + arybase; |
1562 | PUSHi(retval); |
1563 | RETURN; |
1564 | } |
1565 | |
1566 | PP(pp_rindex) |
1567 | { |
1568 | dSP; dTARGET; |
1569 | SV *big; |
1570 | SV *little; |
463ee0b2 |
1571 | STRLEN blen; |
1572 | STRLEN llen; |
79072805 |
1573 | SV *offstr; |
1574 | I32 offset; |
1575 | I32 retval; |
1576 | char *tmps; |
1577 | char *tmps2; |
a0d0e21e |
1578 | I32 arybase = curcop->cop_arybase; |
79072805 |
1579 | |
a0d0e21e |
1580 | if (MAXARG >= 3) |
79072805 |
1581 | offstr = POPs; |
1582 | little = POPs; |
1583 | big = POPs; |
463ee0b2 |
1584 | tmps2 = SvPV(little, llen); |
1585 | tmps = SvPV(big, blen); |
79072805 |
1586 | if (MAXARG < 3) |
463ee0b2 |
1587 | offset = blen; |
79072805 |
1588 | else |
463ee0b2 |
1589 | offset = SvIV(offstr) - arybase + llen; |
79072805 |
1590 | if (offset < 0) |
1591 | offset = 0; |
463ee0b2 |
1592 | else if (offset > blen) |
1593 | offset = blen; |
79072805 |
1594 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 |
1595 | tmps2, tmps2 + llen))) |
79072805 |
1596 | retval = -1 + arybase; |
1597 | else |
1598 | retval = tmps2 - tmps + arybase; |
1599 | PUSHi(retval); |
1600 | RETURN; |
1601 | } |
1602 | |
1603 | PP(pp_sprintf) |
1604 | { |
1605 | dSP; dMARK; dORIGMARK; dTARGET; |
1606 | do_sprintf(TARG, SP-MARK, MARK+1); |
1607 | SP = ORIGMARK; |
1608 | PUSHTARG; |
1609 | RETURN; |
1610 | } |
1611 | |
79072805 |
1612 | PP(pp_ord) |
1613 | { |
1614 | dSP; dTARGET; |
1615 | I32 value; |
1616 | char *tmps; |
79072805 |
1617 | |
79072805 |
1618 | #ifndef I286 |
a0d0e21e |
1619 | tmps = POPp; |
79072805 |
1620 | value = (I32) (*tmps & 255); |
1621 | #else |
a0d0e21e |
1622 | I32 anum; |
1623 | tmps = POPp; |
79072805 |
1624 | anum = (I32) *tmps; |
1625 | value = (I32) (anum & 255); |
1626 | #endif |
1627 | XPUSHi(value); |
1628 | RETURN; |
1629 | } |
1630 | |
463ee0b2 |
1631 | PP(pp_chr) |
1632 | { |
1633 | dSP; dTARGET; |
1634 | char *tmps; |
1635 | |
748a9306 |
1636 | (void)SvUPGRADE(TARG,SVt_PV); |
1637 | SvGROW(TARG,2); |
463ee0b2 |
1638 | SvCUR_set(TARG, 1); |
1639 | tmps = SvPVX(TARG); |
748a9306 |
1640 | *tmps++ = POPi; |
1641 | *tmps = '\0'; |
a0d0e21e |
1642 | (void)SvPOK_only(TARG); |
463ee0b2 |
1643 | XPUSHs(TARG); |
1644 | RETURN; |
1645 | } |
1646 | |
79072805 |
1647 | PP(pp_crypt) |
1648 | { |
1649 | dSP; dTARGET; dPOPTOPssrl; |
1650 | #ifdef HAS_CRYPT |
a0d0e21e |
1651 | char *tmps = SvPV(left, na); |
79072805 |
1652 | #ifdef FCRYPT |
a0d0e21e |
1653 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, na))); |
79072805 |
1654 | #else |
a0d0e21e |
1655 | sv_setpv(TARG, crypt(tmps, SvPV(right, na))); |
79072805 |
1656 | #endif |
1657 | #else |
1658 | DIE( |
1659 | "The crypt() function is unimplemented due to excessive paranoia."); |
1660 | #endif |
1661 | SETs(TARG); |
1662 | RETURN; |
1663 | } |
1664 | |
1665 | PP(pp_ucfirst) |
1666 | { |
1667 | dSP; |
1668 | SV *sv = TOPs; |
1669 | register char *s; |
1670 | |
ed6116ce |
1671 | if (!SvPADTMP(sv)) { |
79072805 |
1672 | dTARGET; |
1673 | sv_setsv(TARG, sv); |
1674 | sv = TARG; |
1675 | SETs(sv); |
1676 | } |
a0d0e21e |
1677 | s = SvPV_force(sv, na); |
1678 | if (isLOWER(*s)) |
1679 | *s = toUPPER(*s); |
79072805 |
1680 | |
1681 | RETURN; |
1682 | } |
1683 | |
1684 | PP(pp_lcfirst) |
1685 | { |
1686 | dSP; |
1687 | SV *sv = TOPs; |
1688 | register char *s; |
1689 | |
ed6116ce |
1690 | if (!SvPADTMP(sv)) { |
79072805 |
1691 | dTARGET; |
1692 | sv_setsv(TARG, sv); |
1693 | sv = TARG; |
1694 | SETs(sv); |
1695 | } |
a0d0e21e |
1696 | s = SvPV_force(sv, na); |
1697 | if (isUPPER(*s)) |
1698 | *s = toLOWER(*s); |
79072805 |
1699 | |
1700 | SETs(sv); |
1701 | RETURN; |
1702 | } |
1703 | |
1704 | PP(pp_uc) |
1705 | { |
1706 | dSP; |
1707 | SV *sv = TOPs; |
1708 | register char *s; |
1709 | register char *send; |
463ee0b2 |
1710 | STRLEN len; |
79072805 |
1711 | |
ed6116ce |
1712 | if (!SvPADTMP(sv)) { |
79072805 |
1713 | dTARGET; |
1714 | sv_setsv(TARG, sv); |
1715 | sv = TARG; |
1716 | SETs(sv); |
1717 | } |
a0d0e21e |
1718 | s = SvPV_force(sv, len); |
463ee0b2 |
1719 | send = s + len; |
79072805 |
1720 | while (s < send) { |
a0d0e21e |
1721 | if (isLOWER(*s)) |
1722 | *s = toUPPER(*s); |
79072805 |
1723 | s++; |
1724 | } |
1725 | RETURN; |
1726 | } |
1727 | |
1728 | PP(pp_lc) |
1729 | { |
1730 | dSP; |
1731 | SV *sv = TOPs; |
1732 | register char *s; |
1733 | register char *send; |
463ee0b2 |
1734 | STRLEN len; |
79072805 |
1735 | |
ed6116ce |
1736 | if (!SvPADTMP(sv)) { |
79072805 |
1737 | dTARGET; |
1738 | sv_setsv(TARG, sv); |
1739 | sv = TARG; |
1740 | SETs(sv); |
1741 | } |
a0d0e21e |
1742 | s = SvPV_force(sv, len); |
463ee0b2 |
1743 | send = s + len; |
79072805 |
1744 | while (s < send) { |
a0d0e21e |
1745 | if (isUPPER(*s)) |
1746 | *s = toLOWER(*s); |
79072805 |
1747 | s++; |
1748 | } |
1749 | RETURN; |
1750 | } |
1751 | |
a0d0e21e |
1752 | PP(pp_quotemeta) |
79072805 |
1753 | { |
a0d0e21e |
1754 | dSP; dTARGET; |
1755 | SV *sv = TOPs; |
1756 | STRLEN len; |
1757 | register char *s = SvPV(sv,len); |
1758 | register char *d; |
79072805 |
1759 | |
a0d0e21e |
1760 | if (len) { |
1761 | (void)SvUPGRADE(TARG, SVt_PV); |
c07a80fd |
1762 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e |
1763 | d = SvPVX(TARG); |
1764 | while (len--) { |
1765 | if (!isALNUM(*s)) |
1766 | *d++ = '\\'; |
1767 | *d++ = *s++; |
79072805 |
1768 | } |
a0d0e21e |
1769 | *d = '\0'; |
1770 | SvCUR_set(TARG, d - SvPVX(TARG)); |
1771 | (void)SvPOK_only(TARG); |
79072805 |
1772 | } |
a0d0e21e |
1773 | else |
1774 | sv_setpvn(TARG, s, len); |
1775 | SETs(TARG); |
79072805 |
1776 | RETURN; |
1777 | } |
1778 | |
a0d0e21e |
1779 | /* Arrays. */ |
79072805 |
1780 | |
a0d0e21e |
1781 | PP(pp_aslice) |
79072805 |
1782 | { |
a0d0e21e |
1783 | dSP; dMARK; dORIGMARK; |
1784 | register SV** svp; |
1785 | register AV* av = (AV*)POPs; |
1786 | register I32 lval = op->op_flags & OPf_MOD; |
748a9306 |
1787 | I32 arybase = curcop->cop_arybase; |
1788 | I32 elem; |
79072805 |
1789 | |
a0d0e21e |
1790 | if (SvTYPE(av) == SVt_PVAV) { |
748a9306 |
1791 | if (lval && op->op_private & OPpLVAL_INTRO) { |
1792 | I32 max = -1; |
1793 | for (svp = mark + 1; svp <= sp; svp++) { |
1794 | elem = SvIVx(*svp); |
1795 | if (elem > max) |
1796 | max = elem; |
1797 | } |
1798 | if (max > AvMAX(av)) |
1799 | av_extend(av, max); |
1800 | } |
a0d0e21e |
1801 | while (++MARK <= SP) { |
748a9306 |
1802 | elem = SvIVx(*MARK); |
a0d0e21e |
1803 | |
748a9306 |
1804 | if (elem > 0) |
1805 | elem -= arybase; |
a0d0e21e |
1806 | svp = av_fetch(av, elem, lval); |
1807 | if (lval) { |
1808 | if (!svp || *svp == &sv_undef) |
1809 | DIE(no_aelem, elem); |
1810 | if (op->op_private & OPpLVAL_INTRO) |
1811 | save_svref(svp); |
79072805 |
1812 | } |
a0d0e21e |
1813 | *MARK = svp ? *svp : &sv_undef; |
79072805 |
1814 | } |
1815 | } |
748a9306 |
1816 | if (GIMME != G_ARRAY) { |
a0d0e21e |
1817 | MARK = ORIGMARK; |
1818 | *++MARK = *SP; |
1819 | SP = MARK; |
1820 | } |
79072805 |
1821 | RETURN; |
1822 | } |
1823 | |
1824 | /* Associative arrays. */ |
1825 | |
1826 | PP(pp_each) |
1827 | { |
1828 | dSP; dTARGET; |
1829 | HV *hash = (HV*)POPs; |
c07a80fd |
1830 | HE *entry; |
c07a80fd |
1831 | |
1832 | PUTBACK; |
1833 | entry = hv_iternext(hash); /* might clobber stack_sp */ |
1834 | SPAGAIN; |
79072805 |
1835 | |
79072805 |
1836 | EXTEND(SP, 2); |
1837 | if (entry) { |
f12c7020 |
1838 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
79072805 |
1839 | if (GIMME == G_ARRAY) { |
c07a80fd |
1840 | PUTBACK; |
1841 | sv_setsv(TARG, hv_iterval(hash, entry)); /* might clobber stack_sp */ |
1842 | SPAGAIN; |
8990e307 |
1843 | PUSHs(TARG); |
79072805 |
1844 | } |
79072805 |
1845 | } |
1846 | else if (GIMME == G_SCALAR) |
1847 | RETPUSHUNDEF; |
1848 | |
1849 | RETURN; |
1850 | } |
1851 | |
1852 | PP(pp_values) |
1853 | { |
1854 | return do_kv(ARGS); |
1855 | } |
1856 | |
1857 | PP(pp_keys) |
1858 | { |
1859 | return do_kv(ARGS); |
1860 | } |
1861 | |
1862 | PP(pp_delete) |
1863 | { |
1864 | dSP; |
1865 | SV *sv; |
1866 | SV *tmpsv = POPs; |
1867 | HV *hv = (HV*)POPs; |
463ee0b2 |
1868 | STRLEN len; |
a0d0e21e |
1869 | if (SvTYPE(hv) != SVt_PVHV) { |
1870 | DIE("Not a HASH reference"); |
79072805 |
1871 | } |
f12c7020 |
1872 | sv = hv_delete_ent(hv, tmpsv, |
1873 | (op->op_private & OPpLEAVE_VOID ? G_DISCARD : 0), 0); |
79072805 |
1874 | if (!sv) |
1875 | RETPUSHUNDEF; |
1876 | PUSHs(sv); |
1877 | RETURN; |
1878 | } |
1879 | |
a0d0e21e |
1880 | PP(pp_exists) |
79072805 |
1881 | { |
a0d0e21e |
1882 | dSP; |
1883 | SV *tmpsv = POPs; |
1884 | HV *hv = (HV*)POPs; |
a0d0e21e |
1885 | STRLEN len; |
1886 | if (SvTYPE(hv) != SVt_PVHV) { |
1887 | DIE("Not a HASH reference"); |
1888 | } |
f12c7020 |
1889 | if (hv_exists_ent(hv, tmpsv, 0)) |
a0d0e21e |
1890 | RETPUSHYES; |
1891 | RETPUSHNO; |
1892 | } |
79072805 |
1893 | |
a0d0e21e |
1894 | PP(pp_hslice) |
1895 | { |
1896 | dSP; dMARK; dORIGMARK; |
f12c7020 |
1897 | register HE *he; |
a0d0e21e |
1898 | register HV *hv = (HV*)POPs; |
1899 | register I32 lval = op->op_flags & OPf_MOD; |
79072805 |
1900 | |
a0d0e21e |
1901 | if (SvTYPE(hv) == SVt_PVHV) { |
1902 | while (++MARK <= SP) { |
f12c7020 |
1903 | SV *keysv = *MARK; |
79072805 |
1904 | |
f12c7020 |
1905 | he = hv_fetch_ent(hv, keysv, lval, 0); |
a0d0e21e |
1906 | if (lval) { |
f12c7020 |
1907 | if (!he || HeVAL(he) == &sv_undef) |
1908 | DIE(no_helem, SvPV(keysv, na)); |
a0d0e21e |
1909 | if (op->op_private & OPpLVAL_INTRO) |
f12c7020 |
1910 | save_svref(&HeVAL(he)); |
93a17b20 |
1911 | } |
f12c7020 |
1912 | *MARK = he ? HeVAL(he) : &sv_undef; |
79072805 |
1913 | } |
1914 | } |
a0d0e21e |
1915 | if (GIMME != G_ARRAY) { |
1916 | MARK = ORIGMARK; |
1917 | *++MARK = *SP; |
1918 | SP = MARK; |
79072805 |
1919 | } |
a0d0e21e |
1920 | RETURN; |
1921 | } |
1922 | |
1923 | /* List operators. */ |
1924 | |
1925 | PP(pp_list) |
1926 | { |
1927 | dSP; dMARK; |
1928 | if (GIMME != G_ARRAY) { |
1929 | if (++MARK <= SP) |
1930 | *MARK = *SP; /* unwanted list, return last item */ |
8990e307 |
1931 | else |
a0d0e21e |
1932 | *MARK = &sv_undef; |
1933 | SP = MARK; |
79072805 |
1934 | } |
a0d0e21e |
1935 | RETURN; |
79072805 |
1936 | } |
1937 | |
a0d0e21e |
1938 | PP(pp_lslice) |
79072805 |
1939 | { |
1940 | dSP; |
a0d0e21e |
1941 | SV **lastrelem = stack_sp; |
1942 | SV **lastlelem = stack_base + POPMARK; |
1943 | SV **firstlelem = stack_base + POPMARK + 1; |
1944 | register SV **firstrelem = lastlelem + 1; |
1945 | I32 arybase = curcop->cop_arybase; |
4633a7c4 |
1946 | I32 lval = op->op_flags & OPf_MOD; |
1947 | I32 is_something_there = lval; |
79072805 |
1948 | |
a0d0e21e |
1949 | register I32 max = lastrelem - lastlelem; |
1950 | register SV **lelem; |
1951 | register I32 ix; |
1952 | |
1953 | if (GIMME != G_ARRAY) { |
748a9306 |
1954 | ix = SvIVx(*lastlelem); |
1955 | if (ix < 0) |
1956 | ix += max; |
1957 | else |
1958 | ix -= arybase; |
a0d0e21e |
1959 | if (ix < 0 || ix >= max) |
1960 | *firstlelem = &sv_undef; |
1961 | else |
1962 | *firstlelem = firstrelem[ix]; |
1963 | SP = firstlelem; |
1964 | RETURN; |
1965 | } |
1966 | |
1967 | if (max == 0) { |
1968 | SP = firstlelem - 1; |
1969 | RETURN; |
1970 | } |
1971 | |
1972 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { |
748a9306 |
1973 | ix = SvIVx(*lelem); |
a0d0e21e |
1974 | if (ix < 0) { |
1975 | ix += max; |
1976 | if (ix < 0) |
1977 | *lelem = &sv_undef; |
1978 | else if (!(*lelem = firstrelem[ix])) |
1979 | *lelem = &sv_undef; |
79072805 |
1980 | } |
748a9306 |
1981 | else { |
1982 | ix -= arybase; |
1983 | if (ix >= max || !(*lelem = firstrelem[ix])) |
1984 | *lelem = &sv_undef; |
1985 | } |
4633a7c4 |
1986 | if (!is_something_there && (SvOKp(*lelem) || SvGMAGICAL(*lelem))) |
1987 | is_something_there = TRUE; |
79072805 |
1988 | } |
4633a7c4 |
1989 | if (is_something_there) |
1990 | SP = lastlelem; |
1991 | else |
1992 | SP = firstlelem - 1; |
79072805 |
1993 | RETURN; |
1994 | } |
1995 | |
a0d0e21e |
1996 | PP(pp_anonlist) |
1997 | { |
1998 | dSP; dMARK; |
1999 | I32 items = SP - MARK; |
2000 | SP = MARK; |
2001 | XPUSHs((SV*)sv_2mortal((SV*)av_make(items, MARK+1))); |
2002 | RETURN; |
2003 | } |
2004 | |
2005 | PP(pp_anonhash) |
79072805 |
2006 | { |
2007 | dSP; dMARK; dORIGMARK; |
a0d0e21e |
2008 | STRLEN len; |
2009 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
2010 | |
2011 | while (MARK < SP) { |
2012 | SV* key = *++MARK; |
a0d0e21e |
2013 | SV *val = NEWSV(46, 0); |
2014 | if (MARK < SP) |
2015 | sv_setsv(val, *++MARK); |
2016 | else |
2017 | warn("Odd number of elements in hash list"); |
f12c7020 |
2018 | (void)hv_store_ent(hv,key,val,0); |
79072805 |
2019 | } |
a0d0e21e |
2020 | SP = ORIGMARK; |
2021 | XPUSHs((SV*)hv); |
79072805 |
2022 | RETURN; |
2023 | } |
2024 | |
a0d0e21e |
2025 | PP(pp_splice) |
79072805 |
2026 | { |
a0d0e21e |
2027 | dSP; dMARK; dORIGMARK; |
2028 | register AV *ary = (AV*)*++MARK; |
2029 | register SV **src; |
2030 | register SV **dst; |
2031 | register I32 i; |
2032 | register I32 offset; |
2033 | register I32 length; |
2034 | I32 newlen; |
2035 | I32 after; |
2036 | I32 diff; |
2037 | SV **tmparyval = 0; |
79072805 |
2038 | |
a0d0e21e |
2039 | SP++; |
79072805 |
2040 | |
a0d0e21e |
2041 | if (++MARK < SP) { |
2042 | offset = SvIVx(*MARK); |
2043 | if (offset < 0) |
2044 | offset += AvFILL(ary) + 1; |
2045 | else |
2046 | offset -= curcop->cop_arybase; |
2047 | if (++MARK < SP) { |
2048 | length = SvIVx(*MARK++); |
2049 | if (length < 0) |
2050 | length = 0; |
79072805 |
2051 | } |
2052 | else |
a0d0e21e |
2053 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 |
2054 | } |
a0d0e21e |
2055 | else { |
2056 | offset = 0; |
2057 | length = AvMAX(ary) + 1; |
2058 | } |
2059 | if (offset < 0) { |
2060 | length += offset; |
2061 | offset = 0; |
2062 | if (length < 0) |
2063 | length = 0; |
2064 | } |
2065 | if (offset > AvFILL(ary) + 1) |
2066 | offset = AvFILL(ary) + 1; |
2067 | after = AvFILL(ary) + 1 - (offset + length); |
2068 | if (after < 0) { /* not that much array */ |
2069 | length += after; /* offset+length now in array */ |
2070 | after = 0; |
2071 | if (!AvALLOC(ary)) |
2072 | av_extend(ary, 0); |
2073 | } |
2074 | |
2075 | /* At this point, MARK .. SP-1 is our new LIST */ |
2076 | |
2077 | newlen = SP - MARK; |
2078 | diff = newlen - length; |
2079 | |
2080 | if (diff < 0) { /* shrinking the area */ |
2081 | if (newlen) { |
2082 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ |
2083 | Copy(MARK, tmparyval, newlen, SV*); |
79072805 |
2084 | } |
a0d0e21e |
2085 | |
2086 | MARK = ORIGMARK + 1; |
2087 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
2088 | MEXTEND(MARK, length); |
2089 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); |
2090 | if (AvREAL(ary)) { |
2091 | for (i = length, dst = MARK; i; i--) |
2092 | sv_2mortal(*dst++); /* free them eventualy */ |
2093 | } |
2094 | MARK += length - 1; |
79072805 |
2095 | } |
a0d0e21e |
2096 | else { |
2097 | *MARK = AvARRAY(ary)[offset+length-1]; |
2098 | if (AvREAL(ary)) { |
2099 | sv_2mortal(*MARK); |
2100 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2101 | SvREFCNT_dec(*dst++); /* free them now */ |
79072805 |
2102 | } |
a0d0e21e |
2103 | } |
2104 | AvFILL(ary) += diff; |
2105 | |
2106 | /* pull up or down? */ |
2107 | |
2108 | if (offset < after) { /* easier to pull up */ |
2109 | if (offset) { /* esp. if nothing to pull */ |
2110 | src = &AvARRAY(ary)[offset-1]; |
2111 | dst = src - diff; /* diff is negative */ |
2112 | for (i = offset; i > 0; i--) /* can't trust Copy */ |
2113 | *dst-- = *src--; |
79072805 |
2114 | } |
a0d0e21e |
2115 | dst = AvARRAY(ary); |
2116 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ |
2117 | AvMAX(ary) += diff; |
2118 | } |
2119 | else { |
2120 | if (after) { /* anything to pull down? */ |
2121 | src = AvARRAY(ary) + offset + length; |
2122 | dst = src + diff; /* diff is negative */ |
2123 | Move(src, dst, after, SV*); |
79072805 |
2124 | } |
a0d0e21e |
2125 | dst = &AvARRAY(ary)[AvFILL(ary)+1]; |
2126 | /* avoid later double free */ |
2127 | } |
2128 | i = -diff; |
2129 | while (i) |
2130 | dst[--i] = &sv_undef; |
2131 | |
2132 | if (newlen) { |
2133 | for (src = tmparyval, dst = AvARRAY(ary) + offset; |
2134 | newlen; newlen--) { |
2135 | *dst = NEWSV(46, 0); |
2136 | sv_setsv(*dst++, *src++); |
79072805 |
2137 | } |
a0d0e21e |
2138 | Safefree(tmparyval); |
2139 | } |
2140 | } |
2141 | else { /* no, expanding (or same) */ |
2142 | if (length) { |
2143 | New(452, tmparyval, length, SV*); /* so remember deletion */ |
2144 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); |
2145 | } |
2146 | |
2147 | if (diff > 0) { /* expanding */ |
2148 | |
2149 | /* push up or down? */ |
2150 | |
2151 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { |
2152 | if (offset) { |
2153 | src = AvARRAY(ary); |
2154 | dst = src - diff; |
2155 | Move(src, dst, offset, SV*); |
79072805 |
2156 | } |
a0d0e21e |
2157 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
2158 | AvMAX(ary) += diff; |
2159 | AvFILL(ary) += diff; |
79072805 |
2160 | } |
2161 | else { |
a0d0e21e |
2162 | if (AvFILL(ary) + diff >= AvMAX(ary)) /* oh, well */ |
2163 | av_extend(ary, AvFILL(ary) + diff); |
2164 | AvFILL(ary) += diff; |
2165 | |
2166 | if (after) { |
2167 | dst = AvARRAY(ary) + AvFILL(ary); |
2168 | src = dst - diff; |
2169 | for (i = after; i; i--) { |
2170 | *dst-- = *src--; |
2171 | } |
79072805 |
2172 | } |
2173 | } |
a0d0e21e |
2174 | } |
2175 | |
2176 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { |
2177 | *dst = NEWSV(46, 0); |
2178 | sv_setsv(*dst++, *src++); |
2179 | } |
2180 | MARK = ORIGMARK + 1; |
2181 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
2182 | if (length) { |
2183 | Copy(tmparyval, MARK, length, SV*); |
2184 | if (AvREAL(ary)) { |
2185 | for (i = length, dst = MARK; i; i--) |
2186 | sv_2mortal(*dst++); /* free them eventualy */ |
79072805 |
2187 | } |
a0d0e21e |
2188 | Safefree(tmparyval); |
79072805 |
2189 | } |
a0d0e21e |
2190 | MARK += length - 1; |
2191 | } |
2192 | else if (length--) { |
2193 | *MARK = tmparyval[length]; |
2194 | if (AvREAL(ary)) { |
2195 | sv_2mortal(*MARK); |
2196 | while (length-- > 0) |
2197 | SvREFCNT_dec(tmparyval[length]); |
79072805 |
2198 | } |
a0d0e21e |
2199 | Safefree(tmparyval); |
79072805 |
2200 | } |
a0d0e21e |
2201 | else |
2202 | *MARK = &sv_undef; |
79072805 |
2203 | } |
a0d0e21e |
2204 | SP = MARK; |
79072805 |
2205 | RETURN; |
2206 | } |
2207 | |
a0d0e21e |
2208 | PP(pp_push) |
79072805 |
2209 | { |
2210 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e |
2211 | register AV *ary = (AV*)*++MARK; |
2212 | register SV *sv = &sv_undef; |
79072805 |
2213 | |
a0d0e21e |
2214 | for (++MARK; MARK <= SP; MARK++) { |
2215 | sv = NEWSV(51, 0); |
2216 | if (*MARK) |
2217 | sv_setsv(sv, *MARK); |
2218 | av_push(ary, sv); |
79072805 |
2219 | } |
2220 | SP = ORIGMARK; |
a0d0e21e |
2221 | PUSHi( AvFILL(ary) + 1 ); |
79072805 |
2222 | RETURN; |
2223 | } |
2224 | |
a0d0e21e |
2225 | PP(pp_pop) |
79072805 |
2226 | { |
2227 | dSP; |
a0d0e21e |
2228 | AV *av = (AV*)POPs; |
2229 | SV *sv = av_pop(av); |
2230 | if (sv != &sv_undef && AvREAL(av)) |
2231 | (void)sv_2mortal(sv); |
2232 | PUSHs(sv); |
79072805 |
2233 | RETURN; |
79072805 |
2234 | } |
2235 | |
a0d0e21e |
2236 | PP(pp_shift) |
79072805 |
2237 | { |
2238 | dSP; |
a0d0e21e |
2239 | AV *av = (AV*)POPs; |
2240 | SV *sv = av_shift(av); |
79072805 |
2241 | EXTEND(SP, 1); |
a0d0e21e |
2242 | if (!sv) |
79072805 |
2243 | RETPUSHUNDEF; |
a0d0e21e |
2244 | if (sv != &sv_undef && AvREAL(av)) |
2245 | (void)sv_2mortal(sv); |
2246 | PUSHs(sv); |
79072805 |
2247 | RETURN; |
79072805 |
2248 | } |
2249 | |
a0d0e21e |
2250 | PP(pp_unshift) |
79072805 |
2251 | { |
a0d0e21e |
2252 | dSP; dMARK; dORIGMARK; dTARGET; |
2253 | register AV *ary = (AV*)*++MARK; |
2254 | register SV *sv; |
2255 | register I32 i = 0; |
79072805 |
2256 | |
a0d0e21e |
2257 | av_unshift(ary, SP - MARK); |
2258 | while (MARK < SP) { |
2259 | sv = NEWSV(27, 0); |
2260 | sv_setsv(sv, *++MARK); |
2261 | (void)av_store(ary, i++, sv); |
79072805 |
2262 | } |
79072805 |
2263 | |
a0d0e21e |
2264 | SP = ORIGMARK; |
2265 | PUSHi( AvFILL(ary) + 1 ); |
79072805 |
2266 | RETURN; |
79072805 |
2267 | } |
2268 | |
a0d0e21e |
2269 | PP(pp_reverse) |
79072805 |
2270 | { |
a0d0e21e |
2271 | dSP; dMARK; |
2272 | register SV *tmp; |
2273 | SV **oldsp = SP; |
79072805 |
2274 | |
a0d0e21e |
2275 | if (GIMME == G_ARRAY) { |
2276 | MARK++; |
2277 | while (MARK < SP) { |
2278 | tmp = *MARK; |
2279 | *MARK++ = *SP; |
2280 | *SP-- = tmp; |
2281 | } |
2282 | SP = oldsp; |
79072805 |
2283 | } |
2284 | else { |
a0d0e21e |
2285 | register char *up; |
2286 | register char *down; |
2287 | register I32 tmp; |
2288 | dTARGET; |
2289 | STRLEN len; |
79072805 |
2290 | |
a0d0e21e |
2291 | if (SP - MARK > 1) |
2292 | do_join(TARG, &sv_no, MARK, SP); |
2293 | else |
2294 | sv_setsv(TARG, *SP); |
2295 | up = SvPV_force(TARG, len); |
2296 | if (len > 1) { |
2297 | down = SvPVX(TARG) + len - 1; |
2298 | while (down > up) { |
2299 | tmp = *up; |
2300 | *up++ = *down; |
2301 | *down-- = tmp; |
2302 | } |
2303 | (void)SvPOK_only(TARG); |
79072805 |
2304 | } |
a0d0e21e |
2305 | SP = MARK + 1; |
2306 | SETTARG; |
79072805 |
2307 | } |
a0d0e21e |
2308 | RETURN; |
79072805 |
2309 | } |
2310 | |
a0d0e21e |
2311 | /* Explosives and implosives. */ |
2312 | |
2313 | PP(pp_unpack) |
79072805 |
2314 | { |
2315 | dSP; |
a0d0e21e |
2316 | dPOPPOPssrl; |
ed6116ce |
2317 | SV *sv; |
a0d0e21e |
2318 | STRLEN llen; |
2319 | STRLEN rlen; |
2320 | register char *pat = SvPV(left, llen); |
2321 | register char *s = SvPV(right, rlen); |
2322 | char *strend = s + rlen; |
2323 | char *strbeg = s; |
2324 | register char *patend = pat + llen; |
2325 | I32 datumtype; |
2326 | register I32 len; |
2327 | register I32 bits; |
79072805 |
2328 | |
a0d0e21e |
2329 | /* These must not be in registers: */ |
2330 | I16 ashort; |
2331 | int aint; |
2332 | I32 along; |
ecfc5424 |
2333 | #ifdef HAS_QUAD |
2334 | Quad_t aquad; |
a0d0e21e |
2335 | #endif |
2336 | U16 aushort; |
2337 | unsigned int auint; |
2338 | U32 aulong; |
ecfc5424 |
2339 | #ifdef HAS_QUAD |
2340 | unsigned Quad_t auquad; |
a0d0e21e |
2341 | #endif |
2342 | char *aptr; |
2343 | float afloat; |
2344 | double adouble; |
2345 | I32 checksum = 0; |
2346 | register U32 culong; |
2347 | double cdouble; |
2348 | static char* bitcount = 0; |
79072805 |
2349 | |
a0d0e21e |
2350 | if (GIMME != G_ARRAY) { /* arrange to do first one only */ |
2351 | /*SUPPRESS 530*/ |
2352 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; |
748a9306 |
2353 | if (strchr("aAbBhHP", *patend) || *pat == '%') { |
a0d0e21e |
2354 | patend++; |
2355 | while (isDIGIT(*patend) || *patend == '*') |
2356 | patend++; |
2357 | } |
2358 | else |
2359 | patend++; |
79072805 |
2360 | } |
a0d0e21e |
2361 | while (pat < patend) { |
2362 | reparse: |
2363 | datumtype = *pat++; |
2364 | if (pat >= patend) |
2365 | len = 1; |
2366 | else if (*pat == '*') { |
2367 | len = strend - strbeg; /* long enough */ |
2368 | pat++; |
2369 | } |
2370 | else if (isDIGIT(*pat)) { |
2371 | len = *pat++ - '0'; |
2372 | while (isDIGIT(*pat)) |
2373 | len = (len * 10) + (*pat++ - '0'); |
2374 | } |
2375 | else |
2376 | len = (datumtype != '@'); |
2377 | switch(datumtype) { |
2378 | default: |
2379 | break; |
2380 | case '%': |
2381 | if (len == 1 && pat[-1] != '1') |
2382 | len = 16; |
2383 | checksum = len; |
2384 | culong = 0; |
2385 | cdouble = 0; |
2386 | if (pat < patend) |
2387 | goto reparse; |
2388 | break; |
2389 | case '@': |
2390 | if (len > strend - strbeg) |
2391 | DIE("@ outside of string"); |
2392 | s = strbeg + len; |
2393 | break; |
2394 | case 'X': |
2395 | if (len > s - strbeg) |
2396 | DIE("X outside of string"); |
2397 | s -= len; |
2398 | break; |
2399 | case 'x': |
2400 | if (len > strend - s) |
2401 | DIE("x outside of string"); |
2402 | s += len; |
2403 | break; |
2404 | case 'A': |
2405 | case 'a': |
2406 | if (len > strend - s) |
2407 | len = strend - s; |
2408 | if (checksum) |
2409 | goto uchar_checksum; |
2410 | sv = NEWSV(35, len); |
2411 | sv_setpvn(sv, s, len); |
2412 | s += len; |
2413 | if (datumtype == 'A') { |
2414 | aptr = s; /* borrow register */ |
2415 | s = SvPVX(sv) + len - 1; |
2416 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) |
2417 | s--; |
2418 | *++s = '\0'; |
2419 | SvCUR_set(sv, s - SvPVX(sv)); |
2420 | s = aptr; /* unborrow register */ |
2421 | } |
2422 | XPUSHs(sv_2mortal(sv)); |
2423 | break; |
2424 | case 'B': |
2425 | case 'b': |
2426 | if (pat[-1] == '*' || len > (strend - s) * 8) |
2427 | len = (strend - s) * 8; |
2428 | if (checksum) { |
2429 | if (!bitcount) { |
2430 | Newz(601, bitcount, 256, char); |
2431 | for (bits = 1; bits < 256; bits++) { |
2432 | if (bits & 1) bitcount[bits]++; |
2433 | if (bits & 2) bitcount[bits]++; |
2434 | if (bits & 4) bitcount[bits]++; |
2435 | if (bits & 8) bitcount[bits]++; |
2436 | if (bits & 16) bitcount[bits]++; |
2437 | if (bits & 32) bitcount[bits]++; |
2438 | if (bits & 64) bitcount[bits]++; |
2439 | if (bits & 128) bitcount[bits]++; |
2440 | } |
2441 | } |
2442 | while (len >= 8) { |
2443 | culong += bitcount[*(unsigned char*)s++]; |
2444 | len -= 8; |
2445 | } |
2446 | if (len) { |
2447 | bits = *s; |
2448 | if (datumtype == 'b') { |
2449 | while (len-- > 0) { |
2450 | if (bits & 1) culong++; |
2451 | bits >>= 1; |
2452 | } |
2453 | } |
2454 | else { |
2455 | while (len-- > 0) { |
2456 | if (bits & 128) culong++; |
2457 | bits <<= 1; |
2458 | } |
2459 | } |
2460 | } |
79072805 |
2461 | break; |
2462 | } |
a0d0e21e |
2463 | sv = NEWSV(35, len + 1); |
2464 | SvCUR_set(sv, len); |
2465 | SvPOK_on(sv); |
2466 | aptr = pat; /* borrow register */ |
2467 | pat = SvPVX(sv); |
2468 | if (datumtype == 'b') { |
2469 | aint = len; |
2470 | for (len = 0; len < aint; len++) { |
2471 | if (len & 7) /*SUPPRESS 595*/ |
2472 | bits >>= 1; |
2473 | else |
2474 | bits = *s++; |
2475 | *pat++ = '0' + (bits & 1); |
2476 | } |
2477 | } |
2478 | else { |
2479 | aint = len; |
2480 | for (len = 0; len < aint; len++) { |
2481 | if (len & 7) |
2482 | bits <<= 1; |
2483 | else |
2484 | bits = *s++; |
2485 | *pat++ = '0' + ((bits & 128) != 0); |
2486 | } |
2487 | } |
2488 | *pat = '\0'; |
2489 | pat = aptr; /* unborrow register */ |
2490 | XPUSHs(sv_2mortal(sv)); |
2491 | break; |
2492 | case 'H': |
2493 | case 'h': |
2494 | if (pat[-1] == '*' || len > (strend - s) * 2) |
2495 | len = (strend - s) * 2; |
2496 | sv = NEWSV(35, len + 1); |
2497 | SvCUR_set(sv, len); |
2498 | SvPOK_on(sv); |
2499 | aptr = pat; /* borrow register */ |
2500 | pat = SvPVX(sv); |
2501 | if (datumtype == 'h') { |
2502 | aint = len; |
2503 | for (len = 0; len < aint; len++) { |
2504 | if (len & 1) |
2505 | bits >>= 4; |
2506 | else |
2507 | bits = *s++; |
2508 | *pat++ = hexdigit[bits & 15]; |
2509 | } |
2510 | } |
2511 | else { |
2512 | aint = len; |
2513 | for (len = 0; len < aint; len++) { |
2514 | if (len & 1) |
2515 | bits <<= 4; |
2516 | else |
2517 | bits = *s++; |
2518 | *pat++ = hexdigit[(bits >> 4) & 15]; |
2519 | } |
2520 | } |
2521 | *pat = '\0'; |
2522 | pat = aptr; /* unborrow register */ |
2523 | XPUSHs(sv_2mortal(sv)); |
2524 | break; |
2525 | case 'c': |
2526 | if (len > strend - s) |
2527 | len = strend - s; |
2528 | if (checksum) { |
2529 | while (len-- > 0) { |
2530 | aint = *s++; |
2531 | if (aint >= 128) /* fake up signed chars */ |
2532 | aint -= 256; |
2533 | culong += aint; |
2534 | } |
2535 | } |
2536 | else { |
2537 | EXTEND(SP, len); |
2538 | while (len-- > 0) { |
2539 | aint = *s++; |
2540 | if (aint >= 128) /* fake up signed chars */ |
2541 | aint -= 256; |
2542 | sv = NEWSV(36, 0); |
2543 | sv_setiv(sv, (I32)aint); |
2544 | PUSHs(sv_2mortal(sv)); |
2545 | } |
2546 | } |
2547 | break; |
2548 | case 'C': |
2549 | if (len > strend - s) |
2550 | len = strend - s; |
2551 | if (checksum) { |
2552 | uchar_checksum: |
2553 | while (len-- > 0) { |
2554 | auint = *s++ & 255; |
2555 | culong += auint; |
2556 | } |
2557 | } |
2558 | else { |
2559 | EXTEND(SP, len); |
2560 | while (len-- > 0) { |
2561 | auint = *s++ & 255; |
2562 | sv = NEWSV(37, 0); |
2563 | sv_setiv(sv, (I32)auint); |
2564 | PUSHs(sv_2mortal(sv)); |
2565 | } |
2566 | } |
2567 | break; |
2568 | case 's': |
2569 | along = (strend - s) / sizeof(I16); |
2570 | if (len > along) |
2571 | len = along; |
2572 | if (checksum) { |
2573 | while (len-- > 0) { |
2574 | Copy(s, &ashort, 1, I16); |
2575 | s += sizeof(I16); |
2576 | culong += ashort; |
2577 | } |
2578 | } |
2579 | else { |
2580 | EXTEND(SP, len); |
2581 | while (len-- > 0) { |
2582 | Copy(s, &ashort, 1, I16); |
2583 | s += sizeof(I16); |
2584 | sv = NEWSV(38, 0); |
2585 | sv_setiv(sv, (I32)ashort); |
2586 | PUSHs(sv_2mortal(sv)); |
2587 | } |
2588 | } |
2589 | break; |
2590 | case 'v': |
2591 | case 'n': |
2592 | case 'S': |
2593 | along = (strend - s) / sizeof(U16); |
2594 | if (len > along) |
2595 | len = along; |
2596 | if (checksum) { |
2597 | while (len-- > 0) { |
2598 | Copy(s, &aushort, 1, U16); |
2599 | s += sizeof(U16); |
2600 | #ifdef HAS_NTOHS |
2601 | if (datumtype == 'n') |
2602 | aushort = ntohs(aushort); |
79072805 |
2603 | #endif |
a0d0e21e |
2604 | #ifdef HAS_VTOHS |
2605 | if (datumtype == 'v') |
2606 | aushort = vtohs(aushort); |
79072805 |
2607 | #endif |
a0d0e21e |
2608 | culong += aushort; |
2609 | } |
2610 | } |
2611 | else { |
2612 | EXTEND(SP, len); |
2613 | while (len-- > 0) { |
2614 | Copy(s, &aushort, 1, U16); |
2615 | s += sizeof(U16); |
2616 | sv = NEWSV(39, 0); |
2617 | #ifdef HAS_NTOHS |
2618 | if (datumtype == 'n') |
2619 | aushort = ntohs(aushort); |
79072805 |
2620 | #endif |
a0d0e21e |
2621 | #ifdef HAS_VTOHS |
2622 | if (datumtype == 'v') |
2623 | aushort = vtohs(aushort); |
79072805 |
2624 | #endif |
a0d0e21e |
2625 | sv_setiv(sv, (I32)aushort); |
2626 | PUSHs(sv_2mortal(sv)); |
2627 | } |
2628 | } |
2629 | break; |
2630 | case 'i': |
2631 | along = (strend - s) / sizeof(int); |
2632 | if (len > along) |
2633 | len = along; |
2634 | if (checksum) { |
2635 | while (len-- > 0) { |
2636 | Copy(s, &aint, 1, int); |
2637 | s += sizeof(int); |
2638 | if (checksum > 32) |
2639 | cdouble += (double)aint; |
2640 | else |
2641 | culong += aint; |
2642 | } |
2643 | } |
2644 | else { |
2645 | EXTEND(SP, len); |
2646 | while (len-- > 0) { |
2647 | Copy(s, &aint, 1, int); |
2648 | s += sizeof(int); |
2649 | sv = NEWSV(40, 0); |
2650 | sv_setiv(sv, (I32)aint); |
2651 | PUSHs(sv_2mortal(sv)); |
2652 | } |
2653 | } |
2654 | break; |
2655 | case 'I': |
2656 | along = (strend - s) / sizeof(unsigned int); |
2657 | if (len > along) |
2658 | len = along; |
2659 | if (checksum) { |
2660 | while (len-- > 0) { |
2661 | Copy(s, &auint, 1, unsigned int); |
2662 | s += sizeof(unsigned int); |
2663 | if (checksum > 32) |
2664 | cdouble += (double)auint; |
2665 | else |
2666 | culong += auint; |
2667 | } |
2668 | } |
2669 | else { |
2670 | EXTEND(SP, len); |
2671 | while (len-- > 0) { |
2672 | Copy(s, &auint, 1, unsigned int); |
2673 | s += sizeof(unsigned int); |
2674 | sv = NEWSV(41, 0); |
2675 | sv_setiv(sv, (I32)auint); |
2676 | PUSHs(sv_2mortal(sv)); |
2677 | } |
2678 | } |
2679 | break; |
2680 | case 'l': |
2681 | along = (strend - s) / sizeof(I32); |
2682 | if (len > along) |
2683 | len = along; |
2684 | if (checksum) { |
2685 | while (len-- > 0) { |
2686 | Copy(s, &along, 1, I32); |
2687 | s += sizeof(I32); |
2688 | if (checksum > 32) |
2689 | cdouble += (double)along; |
2690 | else |
2691 | culong += along; |
2692 | } |
2693 | } |
2694 | else { |
2695 | EXTEND(SP, len); |
2696 | while (len-- > 0) { |
2697 | Copy(s, &along, 1, I32); |
2698 | s += sizeof(I32); |
2699 | sv = NEWSV(42, 0); |
2700 | sv_setiv(sv, (I32)along); |
2701 | PUSHs(sv_2mortal(sv)); |
2702 | } |
79072805 |
2703 | } |
a0d0e21e |
2704 | break; |
2705 | case 'V': |
2706 | case 'N': |
2707 | case 'L': |
2708 | along = (strend - s) / sizeof(U32); |
2709 | if (len > along) |
2710 | len = along; |
2711 | if (checksum) { |
2712 | while (len-- > 0) { |
2713 | Copy(s, &aulong, 1, U32); |
2714 | s += sizeof(U32); |
2715 | #ifdef HAS_NTOHL |
2716 | if (datumtype == 'N') |
2717 | aulong = ntohl(aulong); |
79072805 |
2718 | #endif |
a0d0e21e |
2719 | #ifdef HAS_VTOHL |
2720 | if (datumtype == 'V') |
2721 | aulong = vtohl(aulong); |
79072805 |
2722 | #endif |
a0d0e21e |
2723 | if (checksum > 32) |
2724 | cdouble += (double)aulong; |
2725 | else |
2726 | culong += aulong; |
2727 | } |
2728 | } |
2729 | else { |
2730 | EXTEND(SP, len); |
2731 | while (len-- > 0) { |
2732 | Copy(s, &aulong, 1, U32); |
2733 | s += sizeof(U32); |
2734 | sv = NEWSV(43, 0); |
2735 | #ifdef HAS_NTOHL |
2736 | if (datumtype == 'N') |
2737 | aulong = ntohl(aulong); |
79072805 |
2738 | #endif |
a0d0e21e |
2739 | #ifdef HAS_VTOHL |
2740 | if (datumtype == 'V') |
2741 | aulong = vtohl(aulong); |
79072805 |
2742 | #endif |
a0d0e21e |
2743 | sv_setnv(sv, (double)aulong); |
2744 | PUSHs(sv_2mortal(sv)); |
2745 | } |
2746 | } |
2747 | break; |
2748 | case 'p': |
2749 | along = (strend - s) / sizeof(char*); |
2750 | if (len > along) |
2751 | len = along; |
2752 | EXTEND(SP, len); |
2753 | while (len-- > 0) { |
2754 | if (sizeof(char*) > strend - s) |
2755 | break; |
2756 | else { |
2757 | Copy(s, &aptr, 1, char*); |
2758 | s += sizeof(char*); |
2759 | } |
2760 | sv = NEWSV(44, 0); |
2761 | if (aptr) |
2762 | sv_setpv(sv, aptr); |
2763 | PUSHs(sv_2mortal(sv)); |
2764 | } |
2765 | break; |
2766 | case 'P': |
2767 | EXTEND(SP, 1); |
2768 | if (sizeof(char*) > strend - s) |
2769 | break; |
2770 | else { |
2771 | Copy(s, &aptr, 1, char*); |
2772 | s += sizeof(char*); |
2773 | } |
2774 | sv = NEWSV(44, 0); |
2775 | if (aptr) |
2776 | sv_setpvn(sv, aptr, len); |
2777 | PUSHs(sv_2mortal(sv)); |
2778 | break; |
ecfc5424 |
2779 | #ifdef HAS_QUAD |
a0d0e21e |
2780 | case 'q': |
2781 | EXTEND(SP, len); |
2782 | while (len-- > 0) { |
ecfc5424 |
2783 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e |
2784 | aquad = 0; |
2785 | else { |
ecfc5424 |
2786 | Copy(s, &aquad, 1, Quad_t); |
2787 | s += sizeof(Quad_t); |
a0d0e21e |
2788 | } |
2789 | sv = NEWSV(42, 0); |
2790 | sv_setiv(sv, (IV)aquad); |
2791 | PUSHs(sv_2mortal(sv)); |
2792 | } |
2793 | break; |
2794 | case 'Q': |
2795 | EXTEND(SP, len); |
2796 | while (len-- > 0) { |
ecfc5424 |
2797 | if (s + sizeof(unsigned Quad_t) > strend) |
a0d0e21e |
2798 | auquad = 0; |
2799 | else { |
ecfc5424 |
2800 | Copy(s, &auquad, 1, unsigned Quad_t); |
2801 | s += sizeof(unsigned Quad_t); |
a0d0e21e |
2802 | } |
2803 | sv = NEWSV(43, 0); |
2804 | sv_setiv(sv, (IV)auquad); |
2805 | PUSHs(sv_2mortal(sv)); |
2806 | } |
2807 | break; |
79072805 |
2808 | #endif |
a0d0e21e |
2809 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
2810 | case 'f': |
2811 | case 'F': |
2812 | along = (strend - s) / sizeof(float); |
2813 | if (len > along) |
2814 | len = along; |
2815 | if (checksum) { |
2816 | while (len-- > 0) { |
2817 | Copy(s, &afloat, 1, float); |
2818 | s += sizeof(float); |
2819 | cdouble += afloat; |
2820 | } |
2821 | } |
2822 | else { |
2823 | EXTEND(SP, len); |
2824 | while (len-- > 0) { |
2825 | Copy(s, &afloat, 1, float); |
2826 | s += sizeof(float); |
2827 | sv = NEWSV(47, 0); |
2828 | sv_setnv(sv, (double)afloat); |
2829 | PUSHs(sv_2mortal(sv)); |
2830 | } |
2831 | } |
2832 | break; |
2833 | case 'd': |
2834 | case 'D': |
2835 | along = (strend - s) / sizeof(double); |
2836 | if (len > along) |
2837 | len = along; |
2838 | if (checksum) { |
2839 | while (len-- > 0) { |
2840 | Copy(s, &adouble, 1, double); |
2841 | s += sizeof(double); |
2842 | cdouble += adouble; |
2843 | } |
2844 | } |
2845 | else { |
2846 | EXTEND(SP, len); |
2847 | while (len-- > 0) { |
2848 | Copy(s, &adouble, 1, double); |
2849 | s += sizeof(double); |
2850 | sv = NEWSV(48, 0); |
2851 | sv_setnv(sv, (double)adouble); |
2852 | PUSHs(sv_2mortal(sv)); |
2853 | } |
2854 | } |
2855 | break; |
2856 | case 'u': |
2857 | along = (strend - s) * 3 / 4; |
2858 | sv = NEWSV(42, along); |
f12c7020 |
2859 | if (along) |
2860 | SvPOK_on(sv); |
a0d0e21e |
2861 | while (s < strend && *s > ' ' && *s < 'a') { |
2862 | I32 a, b, c, d; |
2863 | char hunk[4]; |
79072805 |
2864 | |
a0d0e21e |
2865 | hunk[3] = '\0'; |
2866 | len = (*s++ - ' ') & 077; |
2867 | while (len > 0) { |
2868 | if (s < strend && *s >= ' ') |
2869 | a = (*s++ - ' ') & 077; |
2870 | else |
2871 | a = 0; |
2872 | if (s < strend && *s >= ' ') |
2873 | b = (*s++ - ' ') & 077; |
2874 | else |
2875 | b = 0; |
2876 | if (s < strend && *s >= ' ') |
2877 | c = (*s++ - ' ') & 077; |
2878 | else |
2879 | c = 0; |
2880 | if (s < strend && *s >= ' ') |
2881 | d = (*s++ - ' ') & 077; |
2882 | else |
2883 | d = 0; |
2884 | hunk[0] = a << 2 | b >> 4; |
2885 | hunk[1] = b << 4 | c >> 2; |
2886 | hunk[2] = c << 6 | d; |
2887 | sv_catpvn(sv, hunk, len > 3 ? 3 : len); |
2888 | len -= 3; |
2889 | } |
2890 | if (*s == '\n') |
2891 | s++; |
2892 | else if (s[1] == '\n') /* possible checksum byte */ |
2893 | s += 2; |
79072805 |
2894 | } |
a0d0e21e |
2895 | XPUSHs(sv_2mortal(sv)); |
2896 | break; |
79072805 |
2897 | } |
a0d0e21e |
2898 | if (checksum) { |
2899 | sv = NEWSV(42, 0); |
2900 | if (strchr("fFdD", datumtype) || |
2901 | (checksum > 32 && strchr("iIlLN", datumtype)) ) { |
2902 | double trouble; |
79072805 |
2903 | |
a0d0e21e |
2904 | adouble = 1.0; |
2905 | while (checksum >= 16) { |
2906 | checksum -= 16; |
2907 | adouble *= 65536.0; |
2908 | } |
2909 | while (checksum >= 4) { |
2910 | checksum -= 4; |
2911 | adouble *= 16.0; |
2912 | } |
2913 | while (checksum--) |
2914 | adouble *= 2.0; |
2915 | along = (1 << checksum) - 1; |
2916 | while (cdouble < 0.0) |
2917 | cdouble += adouble; |
2918 | cdouble = modf(cdouble / adouble, &trouble) * adouble; |
2919 | sv_setnv(sv, cdouble); |
2920 | } |
2921 | else { |
2922 | if (checksum < 32) { |
2923 | along = (1 << checksum) - 1; |
2924 | culong &= (U32)along; |
2925 | } |
2926 | sv_setnv(sv, (double)culong); |
2927 | } |
2928 | XPUSHs(sv_2mortal(sv)); |
2929 | checksum = 0; |
79072805 |
2930 | } |
79072805 |
2931 | } |
79072805 |
2932 | RETURN; |
79072805 |
2933 | } |
2934 | |
a0d0e21e |
2935 | static void |
2936 | doencodes(sv, s, len) |
2937 | register SV *sv; |
2938 | register char *s; |
2939 | register I32 len; |
79072805 |
2940 | { |
a0d0e21e |
2941 | char hunk[5]; |
79072805 |
2942 | |
a0d0e21e |
2943 | *hunk = len + ' '; |
2944 | sv_catpvn(sv, hunk, 1); |
2945 | hunk[4] = '\0'; |
2946 | while (len > 0) { |
2947 | hunk[0] = ' ' + (077 & (*s >> 2)); |
2948 | hunk[1] = ' ' + (077 & ((*s << 4) & 060 | (s[1] >> 4) & 017)); |
2949 | hunk[2] = ' ' + (077 & ((s[1] << 2) & 074 | (s[2] >> 6) & 03)); |
2950 | hunk[3] = ' ' + (077 & (s[2] & 077)); |
2951 | sv_catpvn(sv, hunk, 4); |
2952 | s += 3; |
2953 | len -= 3; |
2954 | } |
2955 | for (s = SvPVX(sv); *s; s++) { |
2956 | if (*s == ' ') |
2957 | *s = '`'; |
2958 | } |
2959 | sv_catpvn(sv, "\n", 1); |
79072805 |
2960 | } |
2961 | |
a0d0e21e |
2962 | PP(pp_pack) |
79072805 |
2963 | { |
a0d0e21e |
2964 | dSP; dMARK; dORIGMARK; dTARGET; |
2965 | register SV *cat = TARG; |
2966 | register I32 items; |
2967 | STRLEN fromlen; |
2968 | register char *pat = SvPVx(*++MARK, fromlen); |
2969 | register char *patend = pat + fromlen; |
2970 | register I32 len; |
2971 | I32 datumtype; |
2972 | SV *fromstr; |
2973 | /*SUPPRESS 442*/ |
2974 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; |
2975 | static char *space10 = " "; |
79072805 |
2976 | |
a0d0e21e |
2977 | /* These must not be in registers: */ |
2978 | char achar; |
2979 | I16 ashort; |
2980 | int aint; |
2981 | unsigned int auint; |
2982 | I32 along; |
2983 | U32 aulong; |
ecfc5424 |
2984 | #ifdef HAS_QUAD |
2985 | Quad_t aquad; |
2986 | unsigned Quad_t auquad; |
79072805 |
2987 | #endif |
a0d0e21e |
2988 | char *aptr; |
2989 | float afloat; |
2990 | double adouble; |
79072805 |
2991 | |
a0d0e21e |
2992 | items = SP - MARK; |
2993 | MARK++; |
2994 | sv_setpvn(cat, "", 0); |
2995 | while (pat < patend) { |
2996 | #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no) |
2997 | datumtype = *pat++; |
2998 | if (*pat == '*') { |
2999 | len = strchr("@Xxu", datumtype) ? 0 : items; |
3000 | pat++; |
3001 | } |
3002 | else if (isDIGIT(*pat)) { |
3003 | len = *pat++ - '0'; |
3004 | while (isDIGIT(*pat)) |
3005 | len = (len * 10) + (*pat++ - '0'); |
3006 | } |
3007 | else |
3008 | len = 1; |
3009 | switch(datumtype) { |
3010 | default: |
3011 | break; |
3012 | case '%': |
3013 | DIE("%% may only be used in unpack"); |
3014 | case '@': |
3015 | len -= SvCUR(cat); |
3016 | if (len > 0) |
3017 | goto grow; |
3018 | len = -len; |
3019 | if (len > 0) |
3020 | goto shrink; |
3021 | break; |
3022 | case 'X': |
3023 | shrink: |
3024 | if (SvCUR(cat) < len) |
3025 | DIE("X outside of string"); |
3026 | SvCUR(cat) -= len; |
3027 | *SvEND(cat) = '\0'; |
3028 | break; |
3029 | case 'x': |
3030 | grow: |
3031 | while (len >= 10) { |
3032 | sv_catpvn(cat, null10, 10); |
3033 | len -= 10; |
3034 | } |
3035 | sv_catpvn(cat, null10, len); |
3036 | break; |
3037 | case 'A': |
3038 | case 'a': |
3039 | fromstr = NEXTFROM; |
3040 | aptr = SvPV(fromstr, fromlen); |
3041 | if (pat[-1] == '*') |
3042 | len = fromlen; |
3043 | if (fromlen > len) |
3044 | sv_catpvn(cat, aptr, len); |
3045 | else { |
3046 | sv_catpvn(cat, aptr, fromlen); |
3047 | len -= fromlen; |
3048 | if (datumtype == 'A') { |
3049 | while (len >= 10) { |
3050 | sv_catpvn(cat, space10, 10); |
3051 | len -= 10; |
3052 | } |
3053 | sv_catpvn(cat, space10, len); |
3054 | } |
3055 | else { |
3056 | while (len >= 10) { |
3057 | sv_catpvn(cat, null10, 10); |
3058 | len -= 10; |
3059 | } |
3060 | sv_catpvn(cat, null10, len); |
3061 | } |
3062 | } |
3063 | break; |
3064 | case 'B': |
3065 | case 'b': |
3066 | { |
3067 | char *savepat = pat; |
3068 | I32 saveitems; |
79072805 |
3069 | |
a0d0e21e |
3070 | fromstr = NEXTFROM; |
3071 | saveitems = items; |
3072 | aptr = SvPV(fromstr, fromlen); |
3073 | if (pat[-1] == '*') |
3074 | len = fromlen; |
3075 | pat = aptr; |
3076 | aint = SvCUR(cat); |
3077 | SvCUR(cat) += (len+7)/8; |
3078 | SvGROW(cat, SvCUR(cat) + 1); |
3079 | aptr = SvPVX(cat) + aint; |
3080 | if (len > fromlen) |
3081 | len = fromlen; |
3082 | aint = len; |
3083 | items = 0; |
3084 | if (datumtype == 'B') { |
3085 | for (len = 0; len++ < aint;) { |
3086 | items |= *pat++ & 1; |
3087 | if (len & 7) |
3088 | items <<= 1; |
3089 | else { |
3090 | *aptr++ = items & 0xff; |
3091 | items = 0; |
3092 | } |
3093 | } |
3094 | } |
3095 | else { |
3096 | for (len = 0; len++ < aint;) { |
3097 | if (*pat++ & 1) |
3098 | items |= 128; |
3099 | if (len & 7) |
3100 | items >>= 1; |
3101 | else { |
3102 | *aptr++ = items & 0xff; |
3103 | items = 0; |
3104 | } |
3105 | } |
3106 | } |
3107 | if (aint & 7) { |
3108 | if (datumtype == 'B') |
3109 | items <<= 7 - (aint & 7); |
3110 | else |
3111 | items >>= 7 - (aint & 7); |
3112 | *aptr++ = items & 0xff; |
3113 | } |
3114 | pat = SvPVX(cat) + SvCUR(cat); |
3115 | while (aptr <= pat) |
3116 | *aptr++ = '\0'; |
79072805 |
3117 | |
a0d0e21e |
3118 | pat = savepat; |
3119 | items = saveitems; |
3120 | } |
3121 | break; |
3122 | case 'H': |
3123 | case 'h': |
3124 | { |
3125 | char *savepat = pat; |
3126 | I32 saveitems; |
79072805 |
3127 | |
a0d0e21e |
3128 | fromstr = NEXTFROM; |
3129 | saveitems = items; |
3130 | aptr = SvPV(fromstr, fromlen); |
3131 | if (pat[-1] == '*') |
3132 | len = fromlen; |
3133 | pat = aptr; |
3134 | aint = SvCUR(cat); |
3135 | SvCUR(cat) += (len+1)/2; |
3136 | SvGROW(cat, SvCUR(cat) + 1); |
3137 | aptr = SvPVX(cat) + aint; |
3138 | if (len > fromlen) |
3139 | len = fromlen; |
3140 | aint = len; |
3141 | items = 0; |
3142 | if (datumtype == 'H') { |
3143 | for (len = 0; len++ < aint;) { |
3144 | if (isALPHA(*pat)) |
3145 | items |= ((*pat++ & 15) + 9) & 15; |
3146 | else |
3147 | items |= *pat++ & 15; |
3148 | if (len & 1) |
3149 | items <<= 4; |
3150 | else { |
3151 | *aptr++ = items & 0xff; |
3152 | items = 0; |
3153 | } |
3154 | } |
3155 | } |
3156 | else { |
3157 | for (len = 0; len++ < aint;) { |
3158 | if (isALPHA(*pat)) |
3159 | items |= (((*pat++ & 15) + 9) & 15) << 4; |
3160 | else |
3161 | items |= (*pat++ & 15) << 4; |
3162 | if (len & 1) |
3163 | items >>= 4; |
3164 | else { |
3165 | *aptr++ = items & 0xff; |
3166 | items = 0; |
3167 | } |
3168 | } |
3169 | } |
3170 | if (aint & 1) |
3171 | *aptr++ = items & 0xff; |
3172 | pat = SvPVX(cat) + SvCUR(cat); |
3173 | while (aptr <= pat) |
3174 | *aptr++ = '\0'; |
79072805 |
3175 | |
a0d0e21e |
3176 | pat = savepat; |
3177 | items = saveitems; |
3178 | } |
3179 | break; |
3180 | case 'C': |
3181 | case 'c': |
3182 | while (len-- > 0) { |
3183 | fromstr = NEXTFROM; |
3184 | aint = SvIV(fromstr); |
3185 | achar = aint; |
3186 | sv_catpvn(cat, &achar, sizeof(char)); |
3187 | } |
3188 | break; |
3189 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ |
3190 | case 'f': |
3191 | case 'F': |
3192 | while (len-- > 0) { |
3193 | fromstr = NEXTFROM; |
3194 | afloat = (float)SvNV(fromstr); |
3195 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); |
3196 | } |
3197 | break; |
3198 | case 'd': |
3199 | case 'D': |
3200 | while (len-- > 0) { |
3201 | fromstr = NEXTFROM; |
3202 | adouble = (double)SvNV(fromstr); |
3203 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); |
3204 | } |
3205 | break; |
3206 | case 'n': |
3207 | while (len-- > 0) { |
3208 | fromstr = NEXTFROM; |
3209 | ashort = (I16)SvIV(fromstr); |
3210 | #ifdef HAS_HTONS |
3211 | ashort = htons(ashort); |
79072805 |
3212 | #endif |
a0d0e21e |
3213 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3214 | } |
3215 | break; |
3216 | case 'v': |
3217 | while (len-- > 0) { |
3218 | fromstr = NEXTFROM; |
3219 | ashort = (I16)SvIV(fromstr); |
3220 | #ifdef HAS_HTOVS |
3221 | ashort = htovs(ashort); |
79072805 |
3222 | #endif |
a0d0e21e |
3223 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3224 | } |
3225 | break; |
3226 | case 'S': |
3227 | case 's': |
3228 | while (len-- > 0) { |
3229 | fromstr = NEXTFROM; |
3230 | ashort = (I16)SvIV(fromstr); |
3231 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3232 | } |
3233 | break; |
3234 | case 'I': |
3235 | while (len-- > 0) { |
3236 | fromstr = NEXTFROM; |
3237 | auint = U_I(SvNV(fromstr)); |
3238 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
3239 | } |
3240 | break; |
3241 | case 'i': |
3242 | while (len-- > 0) { |
3243 | fromstr = NEXTFROM; |
3244 | aint = SvIV(fromstr); |
3245 | sv_catpvn(cat, (char*)&aint, sizeof(int)); |
3246 | } |
3247 | break; |
3248 | case 'N': |
3249 | while (len-- > 0) { |
3250 | fromstr = NEXTFROM; |
3251 | aulong = U_L(SvNV(fromstr)); |
3252 | #ifdef HAS_HTONL |
3253 | aulong = htonl(aulong); |
79072805 |
3254 | #endif |
a0d0e21e |
3255 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3256 | } |
3257 | break; |
3258 | case 'V': |
3259 | while (len-- > 0) { |
3260 | fromstr = NEXTFROM; |
3261 | aulong = U_L(SvNV(fromstr)); |
3262 | #ifdef HAS_HTOVL |
3263 | aulong = htovl(aulong); |
79072805 |
3264 | #endif |
a0d0e21e |
3265 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3266 | } |
3267 | break; |
3268 | case 'L': |
3269 | while (len-- > 0) { |
3270 | fromstr = NEXTFROM; |
3271 | aulong = U_L(SvNV(fromstr)); |
3272 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3273 | } |
3274 | break; |
3275 | case 'l': |
3276 | while (len-- > 0) { |
3277 | fromstr = NEXTFROM; |
3278 | along = SvIV(fromstr); |
3279 | sv_catpvn(cat, (char*)&along, sizeof(I32)); |
3280 | } |
3281 | break; |
ecfc5424 |
3282 | #ifdef HAS_QUAD |
a0d0e21e |
3283 | case 'Q': |
3284 | while (len-- > 0) { |
3285 | fromstr = NEXTFROM; |
ecfc5424 |
3286 | auquad = (unsigned Quad_t)SvIV(fromstr); |
3287 | sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t)); |
a0d0e21e |
3288 | } |
3289 | break; |
3290 | case 'q': |
3291 | while (len-- > 0) { |
3292 | fromstr = NEXTFROM; |
ecfc5424 |
3293 | aquad = (Quad_t)SvIV(fromstr); |
3294 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); |
a0d0e21e |
3295 | } |
3296 | break; |
ecfc5424 |
3297 | #endif /* HAS_QUAD */ |
a0d0e21e |
3298 | case 'P': |
3299 | len = 1; /* assume SV is correct length */ |
3300 | /* FALL THROUGH */ |
3301 | case 'p': |
3302 | while (len-- > 0) { |
3303 | fromstr = NEXTFROM; |
3304 | aptr = SvPV_force(fromstr, na); /* XXX Error if TEMP? */ |
3305 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
3306 | } |
3307 | break; |
3308 | case 'u': |
3309 | fromstr = NEXTFROM; |
3310 | aptr = SvPV(fromstr, fromlen); |
3311 | SvGROW(cat, fromlen * 4 / 3); |
3312 | if (len <= 1) |
3313 | len = 45; |
3314 | else |
3315 | len = len / 3 * 3; |
3316 | while (fromlen > 0) { |
3317 | I32 todo; |
79072805 |
3318 | |
a0d0e21e |
3319 | if (fromlen > len) |
3320 | todo = len; |
3321 | else |
3322 | todo = fromlen; |
3323 | doencodes(cat, aptr, todo); |
3324 | fromlen -= todo; |
3325 | aptr += todo; |
3326 | } |
3327 | break; |
3328 | } |
3329 | } |
3330 | SvSETMAGIC(cat); |
3331 | SP = ORIGMARK; |
3332 | PUSHs(cat); |
3333 | RETURN; |
79072805 |
3334 | } |
a0d0e21e |
3335 | #undef NEXTFROM |
79072805 |
3336 | |
a0d0e21e |
3337 | PP(pp_split) |
79072805 |
3338 | { |
a0d0e21e |
3339 | dSP; dTARG; |
3340 | AV *ary; |
3341 | register I32 limit = POPi; /* note, negative is forever */ |
3342 | SV *sv = POPs; |
3343 | STRLEN len; |
3344 | register char *s = SvPV(sv, len); |
3345 | char *strend = s + len; |
3346 | register PMOP *pm = (PMOP*)POPs; |
3347 | register SV *dstr; |
3348 | register char *m; |
3349 | I32 iters = 0; |
3350 | I32 maxiters = (strend - s) + 10; |
3351 | I32 i; |
3352 | char *orig; |
3353 | I32 origlimit = limit; |
3354 | I32 realarray = 0; |
3355 | I32 base; |
f12c7020 |
3356 | AV *oldstack = curstack; |
a0d0e21e |
3357 | register REGEXP *rx = pm->op_pmregexp; |
3358 | I32 gimme = GIMME; |
c07a80fd |
3359 | I32 oldsave = savestack_ix; |
79072805 |
3360 | |
a0d0e21e |
3361 | if (!pm || !s) |
3362 | DIE("panic: do_split"); |
3363 | if (pm->op_pmreplroot) |
3364 | ary = GvAVn((GV*)pm->op_pmreplroot); |
3365 | else if (gimme != G_ARRAY) |
3366 | ary = GvAVn(defgv); |
79072805 |
3367 | else |
a0d0e21e |
3368 | ary = Nullav; |
3369 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { |
3370 | realarray = 1; |
3371 | if (!AvREAL(ary)) { |
3372 | AvREAL_on(ary); |
3373 | for (i = AvFILL(ary); i >= 0; i--) |
3374 | AvARRAY(ary)[i] = &sv_undef; /* don't free mere refs */ |
79072805 |
3375 | } |
a0d0e21e |
3376 | av_extend(ary,0); |
3377 | av_clear(ary); |
3378 | /* temporarily switch stacks */ |
f12c7020 |
3379 | SWITCHSTACK(curstack, ary); |
79072805 |
3380 | } |
a0d0e21e |
3381 | base = SP - stack_base; |
3382 | orig = s; |
3383 | if (pm->op_pmflags & PMf_SKIPWHITE) { |
3384 | while (isSPACE(*s)) |
3385 | s++; |
3386 | } |
c07a80fd |
3387 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
3388 | SAVEINT(multiline); |
3389 | multiline = pm->op_pmflags & PMf_MULTILINE; |
3390 | } |
3391 | |
a0d0e21e |
3392 | if (!limit) |
3393 | limit = maxiters + 2; |
3394 | if (pm->op_pmflags & PMf_WHITE) { |
3395 | while (--limit) { |
3396 | /*SUPPRESS 530*/ |
3397 | for (m = s; m < strend && !isSPACE(*m); m++) ; |
3398 | if (m >= strend) |
3399 | break; |
3400 | dstr = NEWSV(30, m-s); |
3401 | sv_setpvn(dstr, s, m-s); |
3402 | if (!realarray) |
3403 | sv_2mortal(dstr); |
3404 | XPUSHs(dstr); |
3405 | /*SUPPRESS 530*/ |
3406 | for (s = m + 1; s < strend && isSPACE(*s); s++) ; |
79072805 |
3407 | } |
3408 | } |
a0d0e21e |
3409 | else if (strEQ("^", rx->precomp)) { |
3410 | while (--limit) { |
3411 | /*SUPPRESS 530*/ |
3412 | for (m = s; m < strend && *m != '\n'; m++) ; |
3413 | m++; |
3414 | if (m >= strend) |
3415 | break; |
3416 | dstr = NEWSV(30, m-s); |
3417 | sv_setpvn(dstr, s, m-s); |
3418 | if (!realarray) |
3419 | sv_2mortal(dstr); |
3420 | XPUSHs(dstr); |
3421 | s = m; |
3422 | } |
3423 | } |
3424 | else if (pm->op_pmshort) { |
3425 | i = SvCUR(pm->op_pmshort); |
3426 | if (i == 1) { |
3427 | I32 fold = (pm->op_pmflags & PMf_FOLD); |
3428 | i = *SvPVX(pm->op_pmshort); |
3429 | if (fold && isUPPER(i)) |
3430 | i = toLOWER(i); |
3431 | while (--limit) { |
3432 | if (fold) { |
3433 | for ( m = s; |
3434 | m < strend && *m != i && |
3435 | (!isUPPER(*m) || toLOWER(*m) != i); |
3436 | m++) /*SUPPRESS 530*/ |
3437 | ; |
3438 | } |
3439 | else /*SUPPRESS 530*/ |
3440 | for (m = s; m < strend && *m != i; m++) ; |
3441 | if (m >= strend) |
3442 | break; |
3443 | dstr = NEWSV(30, m-s); |
3444 | sv_setpvn(dstr, s, m-s); |
3445 | if (!realarray) |
3446 | sv_2mortal(dstr); |
3447 | XPUSHs(dstr); |
3448 | s = m + 1; |
3449 | } |
3450 | } |
3451 | else { |
3452 | #ifndef lint |
3453 | while (s < strend && --limit && |
3454 | (m=fbm_instr((unsigned char*)s, (unsigned char*)strend, |
3455 | pm->op_pmshort)) ) |
79072805 |
3456 | #endif |
a0d0e21e |
3457 | { |
3458 | dstr = NEWSV(31, m-s); |
3459 | sv_setpvn(dstr, s, m-s); |
3460 | if (!realarray) |
3461 | sv_2mortal(dstr); |
3462 | XPUSHs(dstr); |
3463 | s = m + i; |
3464 | } |
463ee0b2 |
3465 | } |
463ee0b2 |
3466 | } |
a0d0e21e |
3467 | else { |
3468 | maxiters += (strend - s) * rx->nparens; |
3469 | while (s < strend && --limit && |
e50aee73 |
3470 | pregexec(rx, s, strend, orig, 1, Nullsv, TRUE) ) { |
a0d0e21e |
3471 | if (rx->subbase |
3472 | && rx->subbase != orig) { |
3473 | m = s; |
3474 | s = orig; |
3475 | orig = rx->subbase; |
3476 | s = orig + (m - s); |
3477 | strend = s + (strend - m); |
3478 | } |
3479 | m = rx->startp[0]; |
3480 | dstr = NEWSV(32, m-s); |
3481 | sv_setpvn(dstr, s, m-s); |
3482 | if (!realarray) |
3483 | sv_2mortal(dstr); |
3484 | XPUSHs(dstr); |
3485 | if (rx->nparens) { |
3486 | for (i = 1; i <= rx->nparens; i++) { |
3487 | s = rx->startp[i]; |
3488 | m = rx->endp[i]; |
748a9306 |
3489 | if (m && s) { |
3490 | dstr = NEWSV(33, m-s); |
3491 | sv_setpvn(dstr, s, m-s); |
3492 | } |
3493 | else |
3494 | dstr = NEWSV(33, 0); |
a0d0e21e |
3495 | if (!realarray) |
3496 | sv_2mortal(dstr); |
3497 | XPUSHs(dstr); |
3498 | } |
3499 | } |
3500 | s = rx->endp[0]; |
3501 | } |
79072805 |
3502 | } |
c07a80fd |
3503 | LEAVE_SCOPE(oldsave); |
a0d0e21e |
3504 | iters = (SP - stack_base) - base; |
3505 | if (iters > maxiters) |
3506 | DIE("Split loop"); |
3507 | |
3508 | /* keep field after final delim? */ |
3509 | if (s < strend || (iters && origlimit)) { |
3510 | dstr = NEWSV(34, strend-s); |
3511 | sv_setpvn(dstr, s, strend-s); |
3512 | if (!realarray) |
3513 | sv_2mortal(dstr); |
3514 | XPUSHs(dstr); |
3515 | iters++; |
79072805 |
3516 | } |
a0d0e21e |
3517 | else if (!origlimit) { |
3518 | while (iters > 0 && SvCUR(TOPs) == 0) |
3519 | iters--, SP--; |
3520 | } |
3521 | if (realarray) { |
3522 | SWITCHSTACK(ary, oldstack); |
3523 | if (gimme == G_ARRAY) { |
3524 | EXTEND(SP, iters); |
3525 | Copy(AvARRAY(ary), SP + 1, iters, SV*); |
3526 | SP += iters; |
3527 | RETURN; |
3528 | } |
3529 | } |
3530 | else { |
3531 | if (gimme == G_ARRAY) |
3532 | RETURN; |
3533 | } |
3534 | if (iters || !pm->op_pmreplroot) { |
3535 | GETTARGET; |
3536 | PUSHi(iters); |
3537 | RETURN; |
3538 | } |
3539 | RETPUSHUNDEF; |
79072805 |
3540 | } |
85e6fe83 |
3541 | |