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); |
b1dadf13 |
101 | if (SvTYPE(sv) == SVt_PVIO) { |
102 | GV *gv = (GV*) sv_newmortal(); |
103 | gv_init(gv, 0, "", 0, 0); |
104 | GvIOp(gv) = (IO *)sv; |
105 | SvREFCNT_inc(sv); |
106 | sv = (SV*) gv; |
107 | } else if (SvTYPE(sv) != SVt_PVGV) |
a0d0e21e |
108 | DIE("Not a GLOB reference"); |
79072805 |
109 | } |
110 | else { |
93a17b20 |
111 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 |
112 | char *sym; |
113 | |
a0d0e21e |
114 | if (SvGMAGICAL(sv)) { |
115 | mg_get(sv); |
116 | if (SvROK(sv)) |
117 | goto wasref; |
118 | } |
119 | if (!SvOK(sv)) { |
120 | if (op->op_flags & OPf_REF || |
121 | op->op_private & HINT_STRICT_REFS) |
122 | DIE(no_usym, "a symbol"); |
123 | RETSETUNDEF; |
124 | } |
748a9306 |
125 | sym = SvPV(sv, na); |
85e6fe83 |
126 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 |
127 | DIE(no_symref, sym, "a symbol"); |
128 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
93a17b20 |
129 | } |
79072805 |
130 | } |
a0d0e21e |
131 | if (op->op_private & OPpLVAL_INTRO) { |
79072805 |
132 | GP *ogp = GvGP(sv); |
133 | |
134 | SSCHECK(3); |
4633a7c4 |
135 | SSPUSHPTR(SvREFCNT_inc(sv)); |
79072805 |
136 | SSPUSHPTR(ogp); |
137 | SSPUSHINT(SAVEt_GP); |
138 | |
a0d0e21e |
139 | if (op->op_flags & OPf_SPECIAL) { |
79072805 |
140 | GvGP(sv)->gp_refcnt++; /* will soon be assigned */ |
a5f75d66 |
141 | GvINTRO_on(sv); |
a0d0e21e |
142 | } |
79072805 |
143 | else { |
144 | GP *gp; |
145 | Newz(602,gp, 1, GP); |
146 | GvGP(sv) = gp; |
147 | GvREFCNT(sv) = 1; |
148 | GvSV(sv) = NEWSV(72,0); |
149 | GvLINE(sv) = curcop->cop_line; |
f12c7020 |
150 | GvEGV(sv) = (GV*)sv; |
79072805 |
151 | } |
152 | } |
153 | SETs(sv); |
154 | RETURN; |
155 | } |
156 | |
79072805 |
157 | PP(pp_rv2sv) |
158 | { |
159 | dSP; dTOPss; |
160 | |
ed6116ce |
161 | if (SvROK(sv)) { |
a0d0e21e |
162 | wasref: |
ed6116ce |
163 | sv = SvRV(sv); |
79072805 |
164 | switch (SvTYPE(sv)) { |
165 | case SVt_PVAV: |
166 | case SVt_PVHV: |
167 | case SVt_PVCV: |
a0d0e21e |
168 | DIE("Not a SCALAR reference"); |
79072805 |
169 | } |
170 | } |
171 | else { |
f12c7020 |
172 | GV *gv = (GV*)sv; |
748a9306 |
173 | char *sym; |
174 | |
463ee0b2 |
175 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e |
176 | if (SvGMAGICAL(sv)) { |
177 | mg_get(sv); |
178 | if (SvROK(sv)) |
179 | goto wasref; |
180 | } |
181 | if (!SvOK(sv)) { |
182 | if (op->op_flags & OPf_REF || |
183 | op->op_private & HINT_STRICT_REFS) |
184 | DIE(no_usym, "a SCALAR"); |
185 | RETSETUNDEF; |
186 | } |
748a9306 |
187 | sym = SvPV(sv, na); |
85e6fe83 |
188 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 |
189 | DIE(no_symref, sym, "a SCALAR"); |
f12c7020 |
190 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
463ee0b2 |
191 | } |
192 | sv = GvSV(gv); |
a0d0e21e |
193 | } |
194 | if (op->op_flags & OPf_MOD) { |
195 | if (op->op_private & OPpLVAL_INTRO) |
196 | sv = save_scalar((GV*)TOPs); |
464e2e8a |
197 | else if (op->op_private & (OPpDEREF_HV|OPpDEREF_AV)) |
198 | provide_ref(op, sv); |
79072805 |
199 | } |
a0d0e21e |
200 | SETs(sv); |
79072805 |
201 | RETURN; |
202 | } |
203 | |
204 | PP(pp_av2arylen) |
205 | { |
206 | dSP; |
207 | AV *av = (AV*)TOPs; |
208 | SV *sv = AvARYLEN(av); |
209 | if (!sv) { |
210 | AvARYLEN(av) = sv = NEWSV(0,0); |
211 | sv_upgrade(sv, SVt_IV); |
212 | sv_magic(sv, (SV*)av, '#', Nullch, 0); |
213 | } |
214 | SETs(sv); |
215 | RETURN; |
216 | } |
217 | |
a0d0e21e |
218 | PP(pp_pos) |
219 | { |
220 | dSP; dTARGET; dPOPss; |
221 | |
222 | if (op->op_flags & OPf_MOD) { |
223 | LvTYPE(TARG) = '<'; |
224 | LvTARG(TARG) = sv; |
225 | PUSHs(TARG); /* no SvSETMAGIC */ |
226 | RETURN; |
227 | } |
228 | else { |
229 | MAGIC* mg; |
230 | |
231 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
232 | mg = mg_find(sv, 'g'); |
233 | if (mg && mg->mg_len >= 0) { |
234 | PUSHi(mg->mg_len + curcop->cop_arybase); |
235 | RETURN; |
236 | } |
237 | } |
238 | RETPUSHUNDEF; |
239 | } |
240 | } |
241 | |
79072805 |
242 | PP(pp_rv2cv) |
243 | { |
244 | dSP; |
79072805 |
245 | GV *gv; |
246 | HV *stash; |
8990e307 |
247 | |
4633a7c4 |
248 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
249 | /* (But not in defined().) */ |
250 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(op->op_flags & OPf_SPECIAL)); |
79072805 |
251 | |
4633a7c4 |
252 | if (!cv) |
253 | cv = (CV*)&sv_undef; |
79072805 |
254 | SETs((SV*)cv); |
255 | RETURN; |
256 | } |
257 | |
c07a80fd |
258 | PP(pp_prototype) |
259 | { |
260 | dSP; |
261 | CV *cv; |
262 | HV *stash; |
263 | GV *gv; |
264 | SV *ret; |
265 | |
266 | ret = &sv_undef; |
267 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
268 | if (cv && SvPOK(cv)) { |
269 | char *p = SvPVX(cv); |
270 | ret = sv_2mortal(newSVpv(p ? p : "", SvLEN(cv))); |
271 | } |
272 | SETs(ret); |
273 | RETURN; |
274 | } |
275 | |
a0d0e21e |
276 | PP(pp_anoncode) |
277 | { |
278 | dSP; |
748a9306 |
279 | CV* cv = (CV*)cSVOP->op_sv; |
280 | EXTEND(SP,1); |
281 | |
a5f75d66 |
282 | if (CvCLONE(cv)) |
b355b4e0 |
283 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
748a9306 |
284 | |
285 | PUSHs((SV*)cv); |
a0d0e21e |
286 | RETURN; |
287 | } |
288 | |
289 | PP(pp_srefgen) |
79072805 |
290 | { |
291 | dSP; dTOPss; |
292 | SV* rv; |
8990e307 |
293 | rv = sv_newmortal(); |
ed6116ce |
294 | sv_upgrade(rv, SVt_RV); |
a0d0e21e |
295 | if (SvPADTMP(sv)) |
296 | sv = newSVsv(sv); |
297 | else { |
298 | SvTEMP_off(sv); |
299 | (void)SvREFCNT_inc(sv); |
300 | } |
301 | SvRV(rv) = sv; |
ed6116ce |
302 | SvROK_on(rv); |
79072805 |
303 | SETs(rv); |
304 | RETURN; |
a0d0e21e |
305 | } |
306 | |
307 | PP(pp_refgen) |
308 | { |
309 | dSP; dMARK; |
310 | SV* sv; |
311 | SV* rv; |
312 | if (GIMME != G_ARRAY) { |
313 | MARK[1] = *SP; |
314 | SP = MARK + 1; |
315 | } |
316 | while (MARK < SP) { |
317 | sv = *++MARK; |
318 | rv = sv_newmortal(); |
319 | sv_upgrade(rv, SVt_RV); |
320 | if (SvPADTMP(sv)) |
321 | sv = newSVsv(sv); |
322 | else { |
323 | SvTEMP_off(sv); |
324 | (void)SvREFCNT_inc(sv); |
325 | } |
326 | SvRV(rv) = sv; |
327 | SvROK_on(rv); |
328 | *MARK = rv; |
329 | } |
330 | RETURN; |
79072805 |
331 | } |
332 | |
333 | PP(pp_ref) |
334 | { |
463ee0b2 |
335 | dSP; dTARGET; |
336 | SV *sv; |
79072805 |
337 | char *pv; |
338 | |
a0d0e21e |
339 | sv = POPs; |
f12c7020 |
340 | |
341 | if (sv && SvGMAGICAL(sv)) |
342 | mg_get(sv); |
343 | |
a0d0e21e |
344 | if (!sv || !SvROK(sv)) |
4633a7c4 |
345 | RETPUSHNO; |
79072805 |
346 | |
ed6116ce |
347 | sv = SvRV(sv); |
a0d0e21e |
348 | pv = sv_reftype(sv,TRUE); |
463ee0b2 |
349 | PUSHp(pv, strlen(pv)); |
79072805 |
350 | RETURN; |
351 | } |
352 | |
353 | PP(pp_bless) |
354 | { |
463ee0b2 |
355 | dSP; |
463ee0b2 |
356 | HV *stash; |
79072805 |
357 | |
463ee0b2 |
358 | if (MAXARG == 1) |
359 | stash = curcop->cop_stash; |
360 | else |
a0d0e21e |
361 | stash = gv_stashsv(POPs, TRUE); |
362 | |
363 | (void)sv_bless(TOPs, stash); |
79072805 |
364 | RETURN; |
365 | } |
366 | |
a0d0e21e |
367 | /* Pattern matching */ |
79072805 |
368 | |
a0d0e21e |
369 | PP(pp_study) |
79072805 |
370 | { |
c07a80fd |
371 | dSP; dPOPss; |
a0d0e21e |
372 | register unsigned char *s; |
373 | register I32 pos; |
374 | register I32 ch; |
375 | register I32 *sfirst; |
376 | register I32 *snext; |
377 | I32 retval; |
378 | STRLEN len; |
379 | |
c07a80fd |
380 | s = (unsigned char*)(SvPV(sv, len)); |
a0d0e21e |
381 | pos = len; |
c07a80fd |
382 | if (sv == lastscream) |
383 | SvSCREAM_off(sv); |
384 | else { |
385 | if (lastscream) { |
386 | SvSCREAM_off(lastscream); |
387 | SvREFCNT_dec(lastscream); |
388 | } |
389 | lastscream = SvREFCNT_inc(sv); |
390 | } |
a0d0e21e |
391 | if (pos <= 0) { |
392 | retval = 0; |
393 | goto ret; |
394 | } |
395 | if (pos > maxscream) { |
396 | if (maxscream < 0) { |
397 | maxscream = pos + 80; |
398 | New(301, screamfirst, 256, I32); |
399 | New(302, screamnext, maxscream, I32); |
79072805 |
400 | } |
401 | else { |
a0d0e21e |
402 | maxscream = pos + pos / 4; |
403 | Renew(screamnext, maxscream, I32); |
79072805 |
404 | } |
79072805 |
405 | } |
a0d0e21e |
406 | |
407 | sfirst = screamfirst; |
408 | snext = screamnext; |
409 | |
410 | if (!sfirst || !snext) |
411 | DIE("do_study: out of memory"); |
412 | |
413 | for (ch = 256; ch; --ch) |
414 | *sfirst++ = -1; |
415 | sfirst -= 256; |
416 | |
417 | while (--pos >= 0) { |
418 | ch = s[pos]; |
419 | if (sfirst[ch] >= 0) |
420 | snext[pos] = sfirst[ch] - pos; |
421 | else |
422 | snext[pos] = -pos; |
423 | sfirst[ch] = pos; |
424 | |
425 | /* If there were any case insensitive searches, we must assume they |
426 | * all are. This speeds up insensitive searches much more than |
427 | * it slows down sensitive ones. |
428 | */ |
429 | if (sawi) |
430 | sfirst[fold[ch]] = pos; |
79072805 |
431 | } |
432 | |
c07a80fd |
433 | SvSCREAM_on(sv); |
464e2e8a |
434 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
a0d0e21e |
435 | retval = 1; |
436 | ret: |
437 | XPUSHs(sv_2mortal(newSViv((I32)retval))); |
79072805 |
438 | RETURN; |
439 | } |
440 | |
a0d0e21e |
441 | PP(pp_trans) |
79072805 |
442 | { |
a0d0e21e |
443 | dSP; dTARG; |
444 | SV *sv; |
445 | |
446 | if (op->op_flags & OPf_STACKED) |
447 | sv = POPs; |
79072805 |
448 | else { |
a0d0e21e |
449 | sv = GvSV(defgv); |
450 | EXTEND(SP,1); |
79072805 |
451 | } |
adbc6bb1 |
452 | TARG = sv_newmortal(); |
a0d0e21e |
453 | PUSHi(do_trans(sv, op)); |
454 | RETURN; |
79072805 |
455 | } |
456 | |
a0d0e21e |
457 | /* Lvalue operators. */ |
79072805 |
458 | |
a0d0e21e |
459 | PP(pp_schop) |
460 | { |
461 | dSP; dTARGET; |
462 | do_chop(TARG, TOPs); |
463 | SETTARG; |
464 | RETURN; |
79072805 |
465 | } |
466 | |
a0d0e21e |
467 | PP(pp_chop) |
79072805 |
468 | { |
a0d0e21e |
469 | dSP; dMARK; dTARGET; |
470 | while (SP > MARK) |
471 | do_chop(TARG, POPs); |
472 | PUSHTARG; |
473 | RETURN; |
79072805 |
474 | } |
475 | |
a0d0e21e |
476 | PP(pp_schomp) |
79072805 |
477 | { |
a0d0e21e |
478 | dSP; dTARGET; |
479 | SETi(do_chomp(TOPs)); |
480 | RETURN; |
79072805 |
481 | } |
482 | |
a0d0e21e |
483 | PP(pp_chomp) |
79072805 |
484 | { |
a0d0e21e |
485 | dSP; dMARK; dTARGET; |
486 | register I32 count = 0; |
487 | |
488 | while (SP > MARK) |
489 | count += do_chomp(POPs); |
490 | PUSHi(count); |
491 | RETURN; |
79072805 |
492 | } |
493 | |
a0d0e21e |
494 | PP(pp_defined) |
463ee0b2 |
495 | { |
a0d0e21e |
496 | dSP; |
497 | register SV* sv; |
498 | |
499 | sv = POPs; |
500 | if (!sv || !SvANY(sv)) |
501 | RETPUSHNO; |
502 | switch (SvTYPE(sv)) { |
503 | case SVt_PVAV: |
8e07c86e |
504 | if (AvMAX(sv) >= 0 || SvRMAGICAL(sv)) |
a0d0e21e |
505 | RETPUSHYES; |
506 | break; |
507 | case SVt_PVHV: |
8e07c86e |
508 | if (HvARRAY(sv) || SvRMAGICAL(sv)) |
a0d0e21e |
509 | RETPUSHYES; |
510 | break; |
511 | case SVt_PVCV: |
512 | if (CvROOT(sv) || CvXSUB(sv)) |
513 | RETPUSHYES; |
514 | break; |
515 | default: |
516 | if (SvGMAGICAL(sv)) |
517 | mg_get(sv); |
518 | if (SvOK(sv)) |
519 | RETPUSHYES; |
520 | } |
521 | RETPUSHNO; |
463ee0b2 |
522 | } |
523 | |
a0d0e21e |
524 | PP(pp_undef) |
525 | { |
79072805 |
526 | dSP; |
a0d0e21e |
527 | SV *sv; |
528 | |
529 | if (!op->op_private) |
530 | RETPUSHUNDEF; |
79072805 |
531 | |
a0d0e21e |
532 | sv = POPs; |
533 | if (!sv) |
534 | RETPUSHUNDEF; |
85e6fe83 |
535 | |
a0d0e21e |
536 | if (SvTHINKFIRST(sv)) { |
537 | if (SvREADONLY(sv)) |
538 | RETPUSHUNDEF; |
539 | if (SvROK(sv)) |
540 | sv_unref(sv); |
85e6fe83 |
541 | } |
542 | |
a0d0e21e |
543 | switch (SvTYPE(sv)) { |
544 | case SVt_NULL: |
545 | break; |
546 | case SVt_PVAV: |
547 | av_undef((AV*)sv); |
548 | break; |
549 | case SVt_PVHV: |
550 | hv_undef((HV*)sv); |
551 | break; |
552 | case SVt_PVCV: |
553 | cv_undef((CV*)sv); |
554 | sub_generation++; |
555 | break; |
8e07c86e |
556 | case SVt_PVGV: |
557 | if (SvFAKE(sv)) { |
558 | sv_setsv(sv, &sv_undef); |
559 | break; |
560 | } |
a0d0e21e |
561 | default: |
4633a7c4 |
562 | if (SvPOK(sv) && SvLEN(sv)) { |
563 | (void)SvOOK_off(sv); |
564 | Safefree(SvPVX(sv)); |
565 | SvPV_set(sv, Nullch); |
566 | SvLEN_set(sv, 0); |
a0d0e21e |
567 | } |
4633a7c4 |
568 | (void)SvOK_off(sv); |
569 | SvSETMAGIC(sv); |
79072805 |
570 | } |
a0d0e21e |
571 | |
572 | RETPUSHUNDEF; |
79072805 |
573 | } |
574 | |
a0d0e21e |
575 | PP(pp_predec) |
79072805 |
576 | { |
a0d0e21e |
577 | dSP; |
748a9306 |
578 | if (SvIOK(TOPs)) { |
dedeecda |
579 | if (SvIVX(TOPs) == IV_MIN) { |
760ac839 |
580 | sv_setnv(TOPs, (double)SvIVX(TOPs) - 1.0); |
581 | } |
582 | else { |
583 | --SvIVX(TOPs); |
584 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
585 | } |
748a9306 |
586 | } |
587 | else |
588 | sv_dec(TOPs); |
a0d0e21e |
589 | SvSETMAGIC(TOPs); |
590 | return NORMAL; |
591 | } |
79072805 |
592 | |
a0d0e21e |
593 | PP(pp_postinc) |
594 | { |
595 | dSP; dTARGET; |
596 | sv_setsv(TARG, TOPs); |
748a9306 |
597 | if (SvIOK(TOPs)) { |
dedeecda |
598 | if (SvIVX(TOPs) == IV_MAX) { |
760ac839 |
599 | sv_setnv(TOPs, (double)SvIVX(TOPs) + 1.0); |
600 | } |
601 | else { |
602 | ++SvIVX(TOPs); |
603 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
604 | } |
748a9306 |
605 | } |
606 | else |
607 | sv_inc(TOPs); |
a0d0e21e |
608 | SvSETMAGIC(TOPs); |
609 | if (!SvOK(TARG)) |
610 | sv_setiv(TARG, 0); |
611 | SETs(TARG); |
612 | return NORMAL; |
613 | } |
79072805 |
614 | |
a0d0e21e |
615 | PP(pp_postdec) |
616 | { |
617 | dSP; dTARGET; |
618 | sv_setsv(TARG, TOPs); |
748a9306 |
619 | if (SvIOK(TOPs)) { |
dedeecda |
620 | if (SvIVX(TOPs) == IV_MIN) { |
760ac839 |
621 | sv_setnv(TOPs, (double)SvIVX(TOPs) - 1.0); |
622 | } |
623 | else { |
624 | --SvIVX(TOPs); |
625 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
626 | } |
748a9306 |
627 | } |
628 | else |
629 | sv_dec(TOPs); |
a0d0e21e |
630 | SvSETMAGIC(TOPs); |
631 | SETs(TARG); |
632 | return NORMAL; |
633 | } |
79072805 |
634 | |
a0d0e21e |
635 | /* Ordinary operators. */ |
636 | |
637 | PP(pp_pow) |
638 | { |
639 | dSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
640 | { |
641 | dPOPTOPnnrl; |
642 | SETn( pow( left, right) ); |
643 | RETURN; |
93a17b20 |
644 | } |
a0d0e21e |
645 | } |
646 | |
647 | PP(pp_multiply) |
648 | { |
649 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
650 | { |
651 | dPOPTOPnnrl; |
652 | SETn( left * right ); |
653 | RETURN; |
79072805 |
654 | } |
a0d0e21e |
655 | } |
656 | |
657 | PP(pp_divide) |
658 | { |
659 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
660 | { |
661 | dPOPnv; |
662 | if (value == 0.0) |
663 | DIE("Illegal division by zero"); |
664 | #ifdef SLOPPYDIVIDE |
665 | /* insure that 20./5. == 4. */ |
666 | { |
667 | double x; |
668 | I32 k; |
669 | x = POPn; |
670 | if ((double)I_32(x) == x && |
671 | (double)I_32(value) == value && |
672 | (k = I_32(x)/I_32(value))*I_32(value) == I_32(x)) { |
673 | value = k; |
674 | } else { |
675 | value = x/value; |
79072805 |
676 | } |
a0d0e21e |
677 | } |
678 | #else |
679 | value = POPn / value; |
680 | #endif |
681 | PUSHn( value ); |
682 | RETURN; |
79072805 |
683 | } |
a0d0e21e |
684 | } |
685 | |
686 | PP(pp_modulo) |
687 | { |
688 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
689 | { |
690 | register unsigned long tmpulong; |
691 | register long tmplong; |
692 | I32 value; |
693 | |
694 | tmpulong = (unsigned long) POPn; |
695 | if (tmpulong == 0L) |
696 | DIE("Illegal modulus zero"); |
697 | value = TOPn; |
698 | if (value >= 0.0) |
699 | value = (I32)(((unsigned long)value) % tmpulong); |
700 | else { |
701 | tmplong = (long)value; |
702 | value = (I32)(tmpulong - ((-tmplong - 1) % tmpulong)) - 1; |
703 | } |
704 | SETi(value); |
705 | RETURN; |
79072805 |
706 | } |
a0d0e21e |
707 | } |
79072805 |
708 | |
a0d0e21e |
709 | PP(pp_repeat) |
710 | { |
748a9306 |
711 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
712 | { |
a0d0e21e |
713 | register I32 count = POPi; |
714 | if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) { |
715 | dMARK; |
716 | I32 items = SP - MARK; |
717 | I32 max; |
79072805 |
718 | |
a0d0e21e |
719 | max = items * count; |
720 | MEXTEND(MARK, max); |
721 | if (count > 1) { |
722 | while (SP > MARK) { |
723 | if (*SP) |
724 | SvTEMP_off((*SP)); |
725 | SP--; |
79072805 |
726 | } |
a0d0e21e |
727 | MARK++; |
728 | repeatcpy((char*)(MARK + items), (char*)MARK, |
729 | items * sizeof(SV*), count - 1); |
730 | SP += max; |
79072805 |
731 | } |
a0d0e21e |
732 | else if (count <= 0) |
733 | SP -= items; |
79072805 |
734 | } |
a0d0e21e |
735 | else { /* Note: mark already snarfed by pp_list */ |
736 | SV *tmpstr; |
737 | STRLEN len; |
738 | |
739 | tmpstr = POPs; |
740 | if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) { |
741 | if (SvREADONLY(tmpstr) && curcop != &compiling) |
742 | DIE("Can't x= to readonly value"); |
743 | if (SvROK(tmpstr)) |
744 | sv_unref(tmpstr); |
93a17b20 |
745 | } |
a0d0e21e |
746 | SvSetSV(TARG, tmpstr); |
747 | SvPV_force(TARG, len); |
748 | if (count >= 1) { |
749 | SvGROW(TARG, (count * len) + 1); |
750 | if (count > 1) |
751 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
752 | SvCUR(TARG) *= count; |
753 | *SvEND(TARG) = '\0'; |
754 | (void)SvPOK_only(TARG); |
755 | } |
756 | else |
757 | sv_setsv(TARG, &sv_no); |
758 | PUSHTARG; |
79072805 |
759 | } |
a0d0e21e |
760 | RETURN; |
748a9306 |
761 | } |
a0d0e21e |
762 | } |
79072805 |
763 | |
a0d0e21e |
764 | PP(pp_subtract) |
765 | { |
766 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
767 | { |
768 | dPOPTOPnnrl; |
769 | SETn( left - right ); |
770 | RETURN; |
79072805 |
771 | } |
a0d0e21e |
772 | } |
79072805 |
773 | |
a0d0e21e |
774 | PP(pp_left_shift) |
775 | { |
776 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
777 | { |
748a9306 |
778 | dPOPTOPiirl; |
779 | SETi( left << right ); |
780 | RETURN; |
79072805 |
781 | } |
a0d0e21e |
782 | } |
79072805 |
783 | |
a0d0e21e |
784 | PP(pp_right_shift) |
785 | { |
786 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
787 | { |
788 | dPOPTOPiirl; |
789 | SETi( left >> right ); |
790 | RETURN; |
93a17b20 |
791 | } |
79072805 |
792 | } |
793 | |
a0d0e21e |
794 | PP(pp_lt) |
79072805 |
795 | { |
a0d0e21e |
796 | dSP; tryAMAGICbinSET(lt,0); |
797 | { |
798 | dPOPnv; |
799 | SETs((TOPn < value) ? &sv_yes : &sv_no); |
800 | RETURN; |
79072805 |
801 | } |
a0d0e21e |
802 | } |
79072805 |
803 | |
a0d0e21e |
804 | PP(pp_gt) |
805 | { |
806 | dSP; tryAMAGICbinSET(gt,0); |
807 | { |
808 | dPOPnv; |
809 | SETs((TOPn > value) ? &sv_yes : &sv_no); |
810 | RETURN; |
79072805 |
811 | } |
a0d0e21e |
812 | } |
813 | |
814 | PP(pp_le) |
815 | { |
816 | dSP; tryAMAGICbinSET(le,0); |
817 | { |
818 | dPOPnv; |
819 | SETs((TOPn <= value) ? &sv_yes : &sv_no); |
820 | RETURN; |
79072805 |
821 | } |
a0d0e21e |
822 | } |
823 | |
824 | PP(pp_ge) |
825 | { |
826 | dSP; tryAMAGICbinSET(ge,0); |
827 | { |
828 | dPOPnv; |
829 | SETs((TOPn >= value) ? &sv_yes : &sv_no); |
830 | RETURN; |
79072805 |
831 | } |
a0d0e21e |
832 | } |
79072805 |
833 | |
a0d0e21e |
834 | PP(pp_ne) |
835 | { |
836 | dSP; tryAMAGICbinSET(ne,0); |
837 | { |
838 | dPOPnv; |
839 | SETs((TOPn != value) ? &sv_yes : &sv_no); |
840 | RETURN; |
841 | } |
79072805 |
842 | } |
843 | |
a0d0e21e |
844 | PP(pp_ncmp) |
79072805 |
845 | { |
a0d0e21e |
846 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
847 | { |
848 | dPOPTOPnnrl; |
849 | I32 value; |
79072805 |
850 | |
a0d0e21e |
851 | if (left > right) |
852 | value = 1; |
853 | else if (left < right) |
854 | value = -1; |
855 | else |
856 | value = 0; |
857 | SETi(value); |
858 | RETURN; |
79072805 |
859 | } |
a0d0e21e |
860 | } |
79072805 |
861 | |
a0d0e21e |
862 | PP(pp_slt) |
863 | { |
864 | dSP; tryAMAGICbinSET(slt,0); |
865 | { |
866 | dPOPTOPssrl; |
867 | SETs( sv_cmp(left, right) < 0 ? &sv_yes : &sv_no ); |
868 | RETURN; |
869 | } |
79072805 |
870 | } |
871 | |
a0d0e21e |
872 | PP(pp_sgt) |
79072805 |
873 | { |
a0d0e21e |
874 | dSP; tryAMAGICbinSET(sgt,0); |
875 | { |
876 | dPOPTOPssrl; |
877 | SETs( sv_cmp(left, right) > 0 ? &sv_yes : &sv_no ); |
878 | RETURN; |
879 | } |
880 | } |
79072805 |
881 | |
a0d0e21e |
882 | PP(pp_sle) |
883 | { |
884 | dSP; tryAMAGICbinSET(sle,0); |
885 | { |
886 | dPOPTOPssrl; |
887 | SETs( sv_cmp(left, right) <= 0 ? &sv_yes : &sv_no ); |
888 | RETURN; |
79072805 |
889 | } |
79072805 |
890 | } |
891 | |
a0d0e21e |
892 | PP(pp_sge) |
893 | { |
894 | dSP; tryAMAGICbinSET(sge,0); |
895 | { |
896 | dPOPTOPssrl; |
897 | SETs( sv_cmp(left, right) >= 0 ? &sv_yes : &sv_no ); |
898 | RETURN; |
899 | } |
900 | } |
79072805 |
901 | |
a0d0e21e |
902 | PP(pp_sne) |
79072805 |
903 | { |
a0d0e21e |
904 | dSP; tryAMAGICbinSET(sne,0); |
905 | { |
906 | dPOPTOPssrl; |
907 | SETs( !sv_eq(left, right) ? &sv_yes : &sv_no ); |
908 | RETURN; |
463ee0b2 |
909 | } |
79072805 |
910 | } |
911 | |
a0d0e21e |
912 | PP(pp_scmp) |
79072805 |
913 | { |
a0d0e21e |
914 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
915 | { |
916 | dPOPTOPssrl; |
917 | SETi( sv_cmp(left, right) ); |
918 | RETURN; |
919 | } |
920 | } |
79072805 |
921 | |
a0d0e21e |
922 | PP(pp_bit_and) { |
923 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
924 | { |
925 | dPOPTOPssrl; |
4633a7c4 |
926 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
927 | unsigned long value = U_L(SvNV(left)); |
928 | value = value & U_L(SvNV(right)); |
929 | SETn((double)value); |
930 | } |
931 | else { |
932 | do_vop(op->op_type, TARG, left, right); |
933 | SETTARG; |
934 | } |
935 | RETURN; |
936 | } |
937 | } |
79072805 |
938 | |
a0d0e21e |
939 | PP(pp_bit_xor) |
940 | { |
941 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
942 | { |
943 | dPOPTOPssrl; |
4633a7c4 |
944 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
945 | unsigned long value = U_L(SvNV(left)); |
946 | value = value ^ U_L(SvNV(right)); |
947 | SETn((double)value); |
948 | } |
949 | else { |
950 | do_vop(op->op_type, TARG, left, right); |
951 | SETTARG; |
952 | } |
953 | RETURN; |
954 | } |
955 | } |
79072805 |
956 | |
a0d0e21e |
957 | PP(pp_bit_or) |
958 | { |
959 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
960 | { |
961 | dPOPTOPssrl; |
4633a7c4 |
962 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
963 | unsigned long value = U_L(SvNV(left)); |
964 | value = value | U_L(SvNV(right)); |
965 | SETn((double)value); |
966 | } |
967 | else { |
968 | do_vop(op->op_type, TARG, left, right); |
969 | SETTARG; |
970 | } |
971 | RETURN; |
79072805 |
972 | } |
a0d0e21e |
973 | } |
79072805 |
974 | |
a0d0e21e |
975 | PP(pp_negate) |
976 | { |
977 | dSP; dTARGET; tryAMAGICun(neg); |
978 | { |
979 | dTOPss; |
4633a7c4 |
980 | if (SvGMAGICAL(sv)) |
981 | mg_get(sv); |
982 | if (SvNIOKp(sv)) |
a0d0e21e |
983 | SETn(-SvNV(sv)); |
4633a7c4 |
984 | else if (SvPOKp(sv)) { |
a0d0e21e |
985 | STRLEN len; |
986 | char *s = SvPV(sv, len); |
987 | if (isALPHA(*s) || *s == '_') { |
988 | sv_setpvn(TARG, "-", 1); |
989 | sv_catsv(TARG, sv); |
79072805 |
990 | } |
a0d0e21e |
991 | else if (*s == '+' || *s == '-') { |
992 | sv_setsv(TARG, sv); |
993 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; |
79072805 |
994 | } |
995 | else |
a0d0e21e |
996 | sv_setnv(TARG, -SvNV(sv)); |
997 | SETTARG; |
79072805 |
998 | } |
4633a7c4 |
999 | else |
1000 | SETn(-SvNV(sv)); |
79072805 |
1001 | } |
a0d0e21e |
1002 | RETURN; |
79072805 |
1003 | } |
1004 | |
a0d0e21e |
1005 | PP(pp_not) |
79072805 |
1006 | { |
a0d0e21e |
1007 | #ifdef OVERLOAD |
1008 | dSP; tryAMAGICunSET(not); |
1009 | #endif /* OVERLOAD */ |
1010 | *stack_sp = SvTRUE(*stack_sp) ? &sv_no : &sv_yes; |
1011 | return NORMAL; |
79072805 |
1012 | } |
1013 | |
a0d0e21e |
1014 | PP(pp_complement) |
79072805 |
1015 | { |
a0d0e21e |
1016 | dSP; dTARGET; tryAMAGICun(compl); |
1017 | { |
1018 | dTOPss; |
1019 | register I32 anum; |
1020 | |
4633a7c4 |
1021 | if (SvNIOKp(sv)) { |
748a9306 |
1022 | IV iv = ~SvIV(sv); |
1023 | if (iv < 0) |
1024 | SETn( (double) ~U_L(SvNV(sv)) ); |
1025 | else |
1026 | SETi( iv ); |
a0d0e21e |
1027 | } |
1028 | else { |
1029 | register char *tmps; |
1030 | register long *tmpl; |
1031 | STRLEN len; |
1032 | |
1033 | SvSetSV(TARG, sv); |
1034 | tmps = SvPV_force(TARG, len); |
1035 | anum = len; |
1036 | #ifdef LIBERAL |
1037 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) |
1038 | *tmps = ~*tmps; |
1039 | tmpl = (long*)tmps; |
1040 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) |
1041 | *tmpl = ~*tmpl; |
1042 | tmps = (char*)tmpl; |
1043 | #endif |
1044 | for ( ; anum > 0; anum--, tmps++) |
1045 | *tmps = ~*tmps; |
1046 | |
1047 | SETs(TARG); |
1048 | } |
1049 | RETURN; |
1050 | } |
79072805 |
1051 | } |
1052 | |
a0d0e21e |
1053 | /* integer versions of some of the above */ |
1054 | |
a0d0e21e |
1055 | PP(pp_i_multiply) |
79072805 |
1056 | { |
a0d0e21e |
1057 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
1058 | { |
1059 | dPOPTOPiirl; |
1060 | SETi( left * right ); |
1061 | RETURN; |
1062 | } |
79072805 |
1063 | } |
1064 | |
a0d0e21e |
1065 | PP(pp_i_divide) |
79072805 |
1066 | { |
a0d0e21e |
1067 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
1068 | { |
1069 | dPOPiv; |
1070 | if (value == 0) |
1071 | DIE("Illegal division by zero"); |
1072 | value = POPi / value; |
1073 | PUSHi( value ); |
1074 | RETURN; |
1075 | } |
79072805 |
1076 | } |
1077 | |
a0d0e21e |
1078 | PP(pp_i_modulo) |
79072805 |
1079 | { |
a0d0e21e |
1080 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
79072805 |
1081 | { |
a0d0e21e |
1082 | dPOPTOPiirl; |
1083 | SETi( left % right ); |
1084 | RETURN; |
79072805 |
1085 | } |
79072805 |
1086 | } |
1087 | |
a0d0e21e |
1088 | PP(pp_i_add) |
79072805 |
1089 | { |
a0d0e21e |
1090 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
1091 | { |
1092 | dPOPTOPiirl; |
1093 | SETi( left + right ); |
1094 | RETURN; |
79072805 |
1095 | } |
79072805 |
1096 | } |
1097 | |
a0d0e21e |
1098 | PP(pp_i_subtract) |
79072805 |
1099 | { |
a0d0e21e |
1100 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
1101 | { |
1102 | dPOPTOPiirl; |
1103 | SETi( left - right ); |
1104 | RETURN; |
79072805 |
1105 | } |
79072805 |
1106 | } |
1107 | |
a0d0e21e |
1108 | PP(pp_i_lt) |
79072805 |
1109 | { |
a0d0e21e |
1110 | dSP; tryAMAGICbinSET(lt,0); |
1111 | { |
1112 | dPOPTOPiirl; |
1113 | SETs((left < right) ? &sv_yes : &sv_no); |
1114 | RETURN; |
1115 | } |
79072805 |
1116 | } |
1117 | |
a0d0e21e |
1118 | PP(pp_i_gt) |
79072805 |
1119 | { |
a0d0e21e |
1120 | dSP; tryAMAGICbinSET(gt,0); |
1121 | { |
1122 | dPOPTOPiirl; |
1123 | SETs((left > right) ? &sv_yes : &sv_no); |
1124 | RETURN; |
1125 | } |
79072805 |
1126 | } |
1127 | |
a0d0e21e |
1128 | PP(pp_i_le) |
79072805 |
1129 | { |
a0d0e21e |
1130 | dSP; tryAMAGICbinSET(le,0); |
1131 | { |
1132 | dPOPTOPiirl; |
1133 | SETs((left <= right) ? &sv_yes : &sv_no); |
1134 | RETURN; |
85e6fe83 |
1135 | } |
79072805 |
1136 | } |
1137 | |
a0d0e21e |
1138 | PP(pp_i_ge) |
79072805 |
1139 | { |
a0d0e21e |
1140 | dSP; tryAMAGICbinSET(ge,0); |
1141 | { |
1142 | dPOPTOPiirl; |
1143 | SETs((left >= right) ? &sv_yes : &sv_no); |
1144 | RETURN; |
1145 | } |
79072805 |
1146 | } |
1147 | |
a0d0e21e |
1148 | PP(pp_i_eq) |
79072805 |
1149 | { |
a0d0e21e |
1150 | dSP; tryAMAGICbinSET(eq,0); |
1151 | { |
1152 | dPOPTOPiirl; |
1153 | SETs((left == right) ? &sv_yes : &sv_no); |
1154 | RETURN; |
1155 | } |
79072805 |
1156 | } |
1157 | |
a0d0e21e |
1158 | PP(pp_i_ne) |
79072805 |
1159 | { |
a0d0e21e |
1160 | dSP; tryAMAGICbinSET(ne,0); |
1161 | { |
1162 | dPOPTOPiirl; |
1163 | SETs((left != right) ? &sv_yes : &sv_no); |
1164 | RETURN; |
1165 | } |
79072805 |
1166 | } |
1167 | |
a0d0e21e |
1168 | PP(pp_i_ncmp) |
79072805 |
1169 | { |
a0d0e21e |
1170 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
1171 | { |
1172 | dPOPTOPiirl; |
1173 | I32 value; |
79072805 |
1174 | |
a0d0e21e |
1175 | if (left > right) |
79072805 |
1176 | value = 1; |
a0d0e21e |
1177 | else if (left < right) |
79072805 |
1178 | value = -1; |
a0d0e21e |
1179 | else |
79072805 |
1180 | value = 0; |
a0d0e21e |
1181 | SETi(value); |
1182 | RETURN; |
79072805 |
1183 | } |
85e6fe83 |
1184 | } |
1185 | |
1186 | PP(pp_i_negate) |
1187 | { |
a0d0e21e |
1188 | dSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 |
1189 | SETi(-TOPi); |
1190 | RETURN; |
1191 | } |
1192 | |
79072805 |
1193 | /* High falutin' math. */ |
1194 | |
1195 | PP(pp_atan2) |
1196 | { |
a0d0e21e |
1197 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
1198 | { |
1199 | dPOPTOPnnrl; |
1200 | SETn(atan2(left, right)); |
1201 | RETURN; |
1202 | } |
79072805 |
1203 | } |
1204 | |
1205 | PP(pp_sin) |
1206 | { |
a0d0e21e |
1207 | dSP; dTARGET; tryAMAGICun(sin); |
1208 | { |
1209 | double value; |
1210 | value = POPn; |
1211 | value = sin(value); |
1212 | XPUSHn(value); |
1213 | RETURN; |
1214 | } |
79072805 |
1215 | } |
1216 | |
1217 | PP(pp_cos) |
1218 | { |
a0d0e21e |
1219 | dSP; dTARGET; tryAMAGICun(cos); |
1220 | { |
1221 | double value; |
1222 | value = POPn; |
1223 | value = cos(value); |
1224 | XPUSHn(value); |
1225 | RETURN; |
1226 | } |
79072805 |
1227 | } |
1228 | |
1229 | PP(pp_rand) |
1230 | { |
1231 | dSP; dTARGET; |
1232 | double value; |
1233 | if (MAXARG < 1) |
1234 | value = 1.0; |
1235 | else |
1236 | value = POPn; |
1237 | if (value == 0.0) |
1238 | value = 1.0; |
1239 | #if RANDBITS == 31 |
1240 | value = rand() * value / 2147483648.0; |
1241 | #else |
1242 | #if RANDBITS == 16 |
1243 | value = rand() * value / 65536.0; |
1244 | #else |
1245 | #if RANDBITS == 15 |
1246 | value = rand() * value / 32768.0; |
1247 | #else |
1248 | value = rand() * value / (double)(((unsigned long)1) << RANDBITS); |
1249 | #endif |
1250 | #endif |
1251 | #endif |
1252 | XPUSHn(value); |
1253 | RETURN; |
1254 | } |
1255 | |
1256 | PP(pp_srand) |
1257 | { |
1258 | dSP; |
1259 | I32 anum; |
79072805 |
1260 | |
1261 | if (MAXARG < 1) { |
f12c7020 |
1262 | #ifdef VMS |
1263 | # include <starlet.h> |
1264 | unsigned int when[2]; |
1265 | _ckvmssts(sys$gettim(when)); |
1266 | anum = when[0] ^ when[1]; |
1267 | #else |
1268 | # if defined(I_SYS_TIME) && !defined(PLAN9) |
1269 | struct timeval when; |
1270 | gettimeofday(&when,(struct timezone *) 0); |
1271 | anum = when.tv_sec ^ when.tv_usec; |
1272 | # else |
1273 | Time_t when; |
79072805 |
1274 | (void)time(&when); |
1275 | anum = when; |
f12c7020 |
1276 | # endif |
1277 | #endif |
1278 | #if !defined(PLAN9) /* XXX Plan9 assembler chokes on this; fix coming soon */ |
1279 | /* 17-Jul-1996 bailey@genetics.upenn.edu */ |
1280 | /* What is a good hashing algorithm here? */ |
1281 | anum ^= ( ( 269 * (U32)getpid()) |
1282 | ^ (26107 * (U32)&when) |
1283 | ^ (73819 * (U32)stack_sp)); |
1284 | #endif |
79072805 |
1285 | } |
1286 | else |
1287 | anum = POPi; |
1288 | (void)srand(anum); |
1289 | EXTEND(SP, 1); |
1290 | RETPUSHYES; |
1291 | } |
1292 | |
1293 | PP(pp_exp) |
1294 | { |
a0d0e21e |
1295 | dSP; dTARGET; tryAMAGICun(exp); |
1296 | { |
1297 | double value; |
1298 | value = POPn; |
1299 | value = exp(value); |
1300 | XPUSHn(value); |
1301 | RETURN; |
1302 | } |
79072805 |
1303 | } |
1304 | |
1305 | PP(pp_log) |
1306 | { |
a0d0e21e |
1307 | dSP; dTARGET; tryAMAGICun(log); |
1308 | { |
1309 | double value; |
1310 | value = POPn; |
1311 | if (value <= 0.0) |
2304df62 |
1312 | DIE("Can't take log of %g", value); |
a0d0e21e |
1313 | value = log(value); |
1314 | XPUSHn(value); |
1315 | RETURN; |
1316 | } |
79072805 |
1317 | } |
1318 | |
1319 | PP(pp_sqrt) |
1320 | { |
a0d0e21e |
1321 | dSP; dTARGET; tryAMAGICun(sqrt); |
1322 | { |
1323 | double value; |
1324 | value = POPn; |
1325 | if (value < 0.0) |
2304df62 |
1326 | DIE("Can't take sqrt of %g", value); |
a0d0e21e |
1327 | value = sqrt(value); |
1328 | XPUSHn(value); |
1329 | RETURN; |
1330 | } |
79072805 |
1331 | } |
1332 | |
1333 | PP(pp_int) |
1334 | { |
1335 | dSP; dTARGET; |
1336 | double value; |
a0d0e21e |
1337 | value = POPn; |
79072805 |
1338 | if (value >= 0.0) |
1339 | (void)modf(value, &value); |
1340 | else { |
1341 | (void)modf(-value, &value); |
1342 | value = -value; |
1343 | } |
1344 | XPUSHn(value); |
1345 | RETURN; |
1346 | } |
1347 | |
463ee0b2 |
1348 | PP(pp_abs) |
1349 | { |
a0d0e21e |
1350 | dSP; dTARGET; tryAMAGICun(abs); |
1351 | { |
1352 | double value; |
1353 | value = POPn; |
463ee0b2 |
1354 | |
a0d0e21e |
1355 | if (value < 0.0) |
463ee0b2 |
1356 | value = -value; |
1357 | |
a0d0e21e |
1358 | XPUSHn(value); |
1359 | RETURN; |
1360 | } |
463ee0b2 |
1361 | } |
1362 | |
79072805 |
1363 | PP(pp_hex) |
1364 | { |
1365 | dSP; dTARGET; |
1366 | char *tmps; |
464e2e8a |
1367 | unsigned long value; |
79072805 |
1368 | I32 argtype; |
1369 | |
a0d0e21e |
1370 | tmps = POPp; |
464e2e8a |
1371 | value = scan_hex(tmps, 99, &argtype); |
1372 | if ((IV)value >= 0) |
1373 | XPUSHi(value); |
1374 | else |
1375 | XPUSHn(U_V(value)); |
79072805 |
1376 | RETURN; |
1377 | } |
1378 | |
1379 | PP(pp_oct) |
1380 | { |
1381 | dSP; dTARGET; |
464e2e8a |
1382 | unsigned long value; |
79072805 |
1383 | I32 argtype; |
1384 | char *tmps; |
1385 | |
a0d0e21e |
1386 | tmps = POPp; |
464e2e8a |
1387 | while (*tmps && isSPACE(*tmps)) |
1388 | tmps++; |
1389 | if (*tmps == '0') |
79072805 |
1390 | tmps++; |
1391 | if (*tmps == 'x') |
464e2e8a |
1392 | value = scan_hex(++tmps, 99, &argtype); |
1393 | else |
1394 | value = scan_oct(tmps, 99, &argtype); |
1395 | if ((IV)value >= 0) |
1396 | XPUSHi(value); |
79072805 |
1397 | else |
464e2e8a |
1398 | XPUSHn(U_V(value)); |
79072805 |
1399 | RETURN; |
1400 | } |
1401 | |
1402 | /* String stuff. */ |
1403 | |
1404 | PP(pp_length) |
1405 | { |
1406 | dSP; dTARGET; |
a0d0e21e |
1407 | SETi( sv_len(TOPs) ); |
79072805 |
1408 | RETURN; |
1409 | } |
1410 | |
1411 | PP(pp_substr) |
1412 | { |
1413 | dSP; dTARGET; |
1414 | SV *sv; |
1415 | I32 len; |
463ee0b2 |
1416 | STRLEN curlen; |
79072805 |
1417 | I32 pos; |
1418 | I32 rem; |
a0d0e21e |
1419 | I32 lvalue = op->op_flags & OPf_MOD; |
79072805 |
1420 | char *tmps; |
a0d0e21e |
1421 | I32 arybase = curcop->cop_arybase; |
79072805 |
1422 | |
1423 | if (MAXARG > 2) |
1424 | len = POPi; |
1425 | pos = POPi - arybase; |
1426 | sv = POPs; |
a0d0e21e |
1427 | tmps = SvPV(sv, curlen); |
79072805 |
1428 | if (pos < 0) |
1429 | pos += curlen + arybase; |
2304df62 |
1430 | if (pos < 0 || pos > curlen) { |
a0d0e21e |
1431 | if (dowarn || lvalue) |
2304df62 |
1432 | warn("substr outside of string"); |
1433 | RETPUSHUNDEF; |
1434 | } |
79072805 |
1435 | else { |
1436 | if (MAXARG < 3) |
1437 | len = curlen; |
a0d0e21e |
1438 | else if (len < 0) { |
748a9306 |
1439 | len += curlen - pos; |
a0d0e21e |
1440 | if (len < 0) |
1441 | len = 0; |
1442 | } |
79072805 |
1443 | tmps += pos; |
1444 | rem = curlen - pos; /* rem=how many bytes left*/ |
1445 | if (rem > len) |
1446 | rem = len; |
1447 | sv_setpvn(TARG, tmps, rem); |
1448 | if (lvalue) { /* it's an lvalue! */ |
dedeecda |
1449 | if (!SvGMAGICAL(sv)) { |
1450 | if (SvROK(sv)) { |
1451 | SvPV_force(sv,na); |
1452 | if (dowarn) |
1453 | warn("Attempt to use reference as lvalue in substr"); |
1454 | } |
1455 | if (SvOK(sv)) /* is it defined ? */ |
1456 | (void)SvPOK_only(sv); |
1457 | else |
1458 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ |
1459 | } |
a0d0e21e |
1460 | if (SvTYPE(TARG) < SVt_PVLV) { |
1461 | sv_upgrade(TARG, SVt_PVLV); |
1462 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); |
ed6116ce |
1463 | } |
a0d0e21e |
1464 | |
79072805 |
1465 | LvTYPE(TARG) = 's'; |
1466 | LvTARG(TARG) = sv; |
a0d0e21e |
1467 | LvTARGOFF(TARG) = pos; |
79072805 |
1468 | LvTARGLEN(TARG) = rem; |
1469 | } |
1470 | } |
1471 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
1472 | RETURN; |
1473 | } |
1474 | |
1475 | PP(pp_vec) |
1476 | { |
1477 | dSP; dTARGET; |
1478 | register I32 size = POPi; |
1479 | register I32 offset = POPi; |
1480 | register SV *src = POPs; |
a0d0e21e |
1481 | I32 lvalue = op->op_flags & OPf_MOD; |
463ee0b2 |
1482 | STRLEN srclen; |
1483 | unsigned char *s = (unsigned char*)SvPV(src, srclen); |
79072805 |
1484 | unsigned long retnum; |
1485 | I32 len; |
1486 | |
1487 | offset *= size; /* turn into bit offset */ |
1488 | len = (offset + size + 7) / 8; |
1489 | if (offset < 0 || size < 1) |
1490 | retnum = 0; |
79072805 |
1491 | else { |
a0d0e21e |
1492 | if (lvalue) { /* it's an lvalue! */ |
1493 | if (SvTYPE(TARG) < SVt_PVLV) { |
1494 | sv_upgrade(TARG, SVt_PVLV); |
1495 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); |
1496 | } |
1497 | |
1498 | LvTYPE(TARG) = 'v'; |
1499 | LvTARG(TARG) = src; |
1500 | LvTARGOFF(TARG) = offset; |
1501 | LvTARGLEN(TARG) = size; |
1502 | } |
93a17b20 |
1503 | if (len > srclen) { |
a0d0e21e |
1504 | if (size <= 8) |
1505 | retnum = 0; |
1506 | else { |
1507 | offset >>= 3; |
748a9306 |
1508 | if (size == 16) { |
1509 | if (offset >= srclen) |
1510 | retnum = 0; |
a0d0e21e |
1511 | else |
748a9306 |
1512 | retnum = (unsigned long) s[offset] << 8; |
1513 | } |
1514 | else if (size == 32) { |
1515 | if (offset >= srclen) |
1516 | retnum = 0; |
1517 | else if (offset + 1 >= srclen) |
a0d0e21e |
1518 | retnum = (unsigned long) s[offset] << 24; |
748a9306 |
1519 | else if (offset + 2 >= srclen) |
1520 | retnum = ((unsigned long) s[offset] << 24) + |
1521 | ((unsigned long) s[offset + 1] << 16); |
1522 | else |
1523 | retnum = ((unsigned long) s[offset] << 24) + |
1524 | ((unsigned long) s[offset + 1] << 16) + |
1525 | (s[offset + 2] << 8); |
a0d0e21e |
1526 | } |
1527 | } |
79072805 |
1528 | } |
a0d0e21e |
1529 | else if (size < 8) |
79072805 |
1530 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
1531 | else { |
1532 | offset >>= 3; |
1533 | if (size == 8) |
1534 | retnum = s[offset]; |
1535 | else if (size == 16) |
1536 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; |
1537 | else if (size == 32) |
1538 | retnum = ((unsigned long) s[offset] << 24) + |
1539 | ((unsigned long) s[offset + 1] << 16) + |
1540 | (s[offset + 2] << 8) + s[offset+3]; |
1541 | } |
79072805 |
1542 | } |
1543 | |
1544 | sv_setiv(TARG, (I32)retnum); |
1545 | PUSHs(TARG); |
1546 | RETURN; |
1547 | } |
1548 | |
1549 | PP(pp_index) |
1550 | { |
1551 | dSP; dTARGET; |
1552 | SV *big; |
1553 | SV *little; |
1554 | I32 offset; |
1555 | I32 retval; |
1556 | char *tmps; |
1557 | char *tmps2; |
463ee0b2 |
1558 | STRLEN biglen; |
a0d0e21e |
1559 | I32 arybase = curcop->cop_arybase; |
79072805 |
1560 | |
1561 | if (MAXARG < 3) |
1562 | offset = 0; |
1563 | else |
1564 | offset = POPi - arybase; |
1565 | little = POPs; |
1566 | big = POPs; |
463ee0b2 |
1567 | tmps = SvPV(big, biglen); |
79072805 |
1568 | if (offset < 0) |
1569 | offset = 0; |
93a17b20 |
1570 | else if (offset > biglen) |
1571 | offset = biglen; |
79072805 |
1572 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
93a17b20 |
1573 | (unsigned char*)tmps + biglen, little))) |
79072805 |
1574 | retval = -1 + arybase; |
1575 | else |
1576 | retval = tmps2 - tmps + arybase; |
1577 | PUSHi(retval); |
1578 | RETURN; |
1579 | } |
1580 | |
1581 | PP(pp_rindex) |
1582 | { |
1583 | dSP; dTARGET; |
1584 | SV *big; |
1585 | SV *little; |
463ee0b2 |
1586 | STRLEN blen; |
1587 | STRLEN llen; |
79072805 |
1588 | SV *offstr; |
1589 | I32 offset; |
1590 | I32 retval; |
1591 | char *tmps; |
1592 | char *tmps2; |
a0d0e21e |
1593 | I32 arybase = curcop->cop_arybase; |
79072805 |
1594 | |
a0d0e21e |
1595 | if (MAXARG >= 3) |
79072805 |
1596 | offstr = POPs; |
1597 | little = POPs; |
1598 | big = POPs; |
463ee0b2 |
1599 | tmps2 = SvPV(little, llen); |
1600 | tmps = SvPV(big, blen); |
79072805 |
1601 | if (MAXARG < 3) |
463ee0b2 |
1602 | offset = blen; |
79072805 |
1603 | else |
463ee0b2 |
1604 | offset = SvIV(offstr) - arybase + llen; |
79072805 |
1605 | if (offset < 0) |
1606 | offset = 0; |
463ee0b2 |
1607 | else if (offset > blen) |
1608 | offset = blen; |
79072805 |
1609 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 |
1610 | tmps2, tmps2 + llen))) |
79072805 |
1611 | retval = -1 + arybase; |
1612 | else |
1613 | retval = tmps2 - tmps + arybase; |
1614 | PUSHi(retval); |
1615 | RETURN; |
1616 | } |
1617 | |
1618 | PP(pp_sprintf) |
1619 | { |
1620 | dSP; dMARK; dORIGMARK; dTARGET; |
1621 | do_sprintf(TARG, SP-MARK, MARK+1); |
1622 | SP = ORIGMARK; |
1623 | PUSHTARG; |
1624 | RETURN; |
1625 | } |
1626 | |
79072805 |
1627 | PP(pp_ord) |
1628 | { |
1629 | dSP; dTARGET; |
1630 | I32 value; |
1631 | char *tmps; |
79072805 |
1632 | |
79072805 |
1633 | #ifndef I286 |
a0d0e21e |
1634 | tmps = POPp; |
79072805 |
1635 | value = (I32) (*tmps & 255); |
1636 | #else |
a0d0e21e |
1637 | I32 anum; |
1638 | tmps = POPp; |
79072805 |
1639 | anum = (I32) *tmps; |
1640 | value = (I32) (anum & 255); |
1641 | #endif |
1642 | XPUSHi(value); |
1643 | RETURN; |
1644 | } |
1645 | |
463ee0b2 |
1646 | PP(pp_chr) |
1647 | { |
1648 | dSP; dTARGET; |
1649 | char *tmps; |
1650 | |
748a9306 |
1651 | (void)SvUPGRADE(TARG,SVt_PV); |
1652 | SvGROW(TARG,2); |
463ee0b2 |
1653 | SvCUR_set(TARG, 1); |
1654 | tmps = SvPVX(TARG); |
748a9306 |
1655 | *tmps++ = POPi; |
1656 | *tmps = '\0'; |
a0d0e21e |
1657 | (void)SvPOK_only(TARG); |
463ee0b2 |
1658 | XPUSHs(TARG); |
1659 | RETURN; |
1660 | } |
1661 | |
79072805 |
1662 | PP(pp_crypt) |
1663 | { |
1664 | dSP; dTARGET; dPOPTOPssrl; |
1665 | #ifdef HAS_CRYPT |
a0d0e21e |
1666 | char *tmps = SvPV(left, na); |
79072805 |
1667 | #ifdef FCRYPT |
a0d0e21e |
1668 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, na))); |
79072805 |
1669 | #else |
a0d0e21e |
1670 | sv_setpv(TARG, crypt(tmps, SvPV(right, na))); |
79072805 |
1671 | #endif |
1672 | #else |
1673 | DIE( |
1674 | "The crypt() function is unimplemented due to excessive paranoia."); |
1675 | #endif |
1676 | SETs(TARG); |
1677 | RETURN; |
1678 | } |
1679 | |
1680 | PP(pp_ucfirst) |
1681 | { |
1682 | dSP; |
1683 | SV *sv = TOPs; |
1684 | register char *s; |
1685 | |
ed6116ce |
1686 | if (!SvPADTMP(sv)) { |
79072805 |
1687 | dTARGET; |
1688 | sv_setsv(TARG, sv); |
1689 | sv = TARG; |
1690 | SETs(sv); |
1691 | } |
a0d0e21e |
1692 | s = SvPV_force(sv, na); |
1693 | if (isLOWER(*s)) |
1694 | *s = toUPPER(*s); |
79072805 |
1695 | |
1696 | RETURN; |
1697 | } |
1698 | |
1699 | PP(pp_lcfirst) |
1700 | { |
1701 | dSP; |
1702 | SV *sv = TOPs; |
1703 | register char *s; |
1704 | |
ed6116ce |
1705 | if (!SvPADTMP(sv)) { |
79072805 |
1706 | dTARGET; |
1707 | sv_setsv(TARG, sv); |
1708 | sv = TARG; |
1709 | SETs(sv); |
1710 | } |
a0d0e21e |
1711 | s = SvPV_force(sv, na); |
1712 | if (isUPPER(*s)) |
1713 | *s = toLOWER(*s); |
79072805 |
1714 | |
1715 | SETs(sv); |
1716 | RETURN; |
1717 | } |
1718 | |
1719 | PP(pp_uc) |
1720 | { |
1721 | dSP; |
1722 | SV *sv = TOPs; |
1723 | register char *s; |
1724 | register char *send; |
463ee0b2 |
1725 | STRLEN len; |
79072805 |
1726 | |
ed6116ce |
1727 | if (!SvPADTMP(sv)) { |
79072805 |
1728 | dTARGET; |
1729 | sv_setsv(TARG, sv); |
1730 | sv = TARG; |
1731 | SETs(sv); |
1732 | } |
a0d0e21e |
1733 | s = SvPV_force(sv, len); |
463ee0b2 |
1734 | send = s + len; |
79072805 |
1735 | while (s < send) { |
a0d0e21e |
1736 | if (isLOWER(*s)) |
1737 | *s = toUPPER(*s); |
79072805 |
1738 | s++; |
1739 | } |
1740 | RETURN; |
1741 | } |
1742 | |
1743 | PP(pp_lc) |
1744 | { |
1745 | dSP; |
1746 | SV *sv = TOPs; |
1747 | register char *s; |
1748 | register char *send; |
463ee0b2 |
1749 | STRLEN len; |
79072805 |
1750 | |
ed6116ce |
1751 | if (!SvPADTMP(sv)) { |
79072805 |
1752 | dTARGET; |
1753 | sv_setsv(TARG, sv); |
1754 | sv = TARG; |
1755 | SETs(sv); |
1756 | } |
a0d0e21e |
1757 | s = SvPV_force(sv, len); |
463ee0b2 |
1758 | send = s + len; |
79072805 |
1759 | while (s < send) { |
a0d0e21e |
1760 | if (isUPPER(*s)) |
1761 | *s = toLOWER(*s); |
79072805 |
1762 | s++; |
1763 | } |
1764 | RETURN; |
1765 | } |
1766 | |
a0d0e21e |
1767 | PP(pp_quotemeta) |
79072805 |
1768 | { |
a0d0e21e |
1769 | dSP; dTARGET; |
1770 | SV *sv = TOPs; |
1771 | STRLEN len; |
1772 | register char *s = SvPV(sv,len); |
1773 | register char *d; |
79072805 |
1774 | |
a0d0e21e |
1775 | if (len) { |
1776 | (void)SvUPGRADE(TARG, SVt_PV); |
c07a80fd |
1777 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e |
1778 | d = SvPVX(TARG); |
1779 | while (len--) { |
1780 | if (!isALNUM(*s)) |
1781 | *d++ = '\\'; |
1782 | *d++ = *s++; |
79072805 |
1783 | } |
a0d0e21e |
1784 | *d = '\0'; |
1785 | SvCUR_set(TARG, d - SvPVX(TARG)); |
1786 | (void)SvPOK_only(TARG); |
79072805 |
1787 | } |
a0d0e21e |
1788 | else |
1789 | sv_setpvn(TARG, s, len); |
1790 | SETs(TARG); |
79072805 |
1791 | RETURN; |
1792 | } |
1793 | |
a0d0e21e |
1794 | /* Arrays. */ |
79072805 |
1795 | |
a0d0e21e |
1796 | PP(pp_aslice) |
79072805 |
1797 | { |
a0d0e21e |
1798 | dSP; dMARK; dORIGMARK; |
1799 | register SV** svp; |
1800 | register AV* av = (AV*)POPs; |
1801 | register I32 lval = op->op_flags & OPf_MOD; |
748a9306 |
1802 | I32 arybase = curcop->cop_arybase; |
1803 | I32 elem; |
79072805 |
1804 | |
a0d0e21e |
1805 | if (SvTYPE(av) == SVt_PVAV) { |
748a9306 |
1806 | if (lval && op->op_private & OPpLVAL_INTRO) { |
1807 | I32 max = -1; |
1808 | for (svp = mark + 1; svp <= sp; svp++) { |
1809 | elem = SvIVx(*svp); |
1810 | if (elem > max) |
1811 | max = elem; |
1812 | } |
1813 | if (max > AvMAX(av)) |
1814 | av_extend(av, max); |
1815 | } |
a0d0e21e |
1816 | while (++MARK <= SP) { |
748a9306 |
1817 | elem = SvIVx(*MARK); |
a0d0e21e |
1818 | |
748a9306 |
1819 | if (elem > 0) |
1820 | elem -= arybase; |
a0d0e21e |
1821 | svp = av_fetch(av, elem, lval); |
1822 | if (lval) { |
1823 | if (!svp || *svp == &sv_undef) |
1824 | DIE(no_aelem, elem); |
1825 | if (op->op_private & OPpLVAL_INTRO) |
1826 | save_svref(svp); |
79072805 |
1827 | } |
a0d0e21e |
1828 | *MARK = svp ? *svp : &sv_undef; |
79072805 |
1829 | } |
1830 | } |
748a9306 |
1831 | if (GIMME != G_ARRAY) { |
a0d0e21e |
1832 | MARK = ORIGMARK; |
1833 | *++MARK = *SP; |
1834 | SP = MARK; |
1835 | } |
79072805 |
1836 | RETURN; |
1837 | } |
1838 | |
1839 | /* Associative arrays. */ |
1840 | |
1841 | PP(pp_each) |
1842 | { |
1843 | dSP; dTARGET; |
1844 | HV *hash = (HV*)POPs; |
c07a80fd |
1845 | HE *entry; |
c07a80fd |
1846 | |
1847 | PUTBACK; |
1848 | entry = hv_iternext(hash); /* might clobber stack_sp */ |
1849 | SPAGAIN; |
79072805 |
1850 | |
79072805 |
1851 | EXTEND(SP, 2); |
1852 | if (entry) { |
f12c7020 |
1853 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
79072805 |
1854 | if (GIMME == G_ARRAY) { |
c07a80fd |
1855 | PUTBACK; |
1856 | sv_setsv(TARG, hv_iterval(hash, entry)); /* might clobber stack_sp */ |
1857 | SPAGAIN; |
8990e307 |
1858 | PUSHs(TARG); |
79072805 |
1859 | } |
79072805 |
1860 | } |
1861 | else if (GIMME == G_SCALAR) |
1862 | RETPUSHUNDEF; |
1863 | |
1864 | RETURN; |
1865 | } |
1866 | |
1867 | PP(pp_values) |
1868 | { |
1869 | return do_kv(ARGS); |
1870 | } |
1871 | |
1872 | PP(pp_keys) |
1873 | { |
1874 | return do_kv(ARGS); |
1875 | } |
1876 | |
1877 | PP(pp_delete) |
1878 | { |
1879 | dSP; |
1880 | SV *sv; |
1881 | SV *tmpsv = POPs; |
1882 | HV *hv = (HV*)POPs; |
463ee0b2 |
1883 | STRLEN len; |
a0d0e21e |
1884 | if (SvTYPE(hv) != SVt_PVHV) { |
1885 | DIE("Not a HASH reference"); |
79072805 |
1886 | } |
f12c7020 |
1887 | sv = hv_delete_ent(hv, tmpsv, |
1888 | (op->op_private & OPpLEAVE_VOID ? G_DISCARD : 0), 0); |
79072805 |
1889 | if (!sv) |
1890 | RETPUSHUNDEF; |
1891 | PUSHs(sv); |
1892 | RETURN; |
1893 | } |
1894 | |
a0d0e21e |
1895 | PP(pp_exists) |
79072805 |
1896 | { |
a0d0e21e |
1897 | dSP; |
1898 | SV *tmpsv = POPs; |
1899 | HV *hv = (HV*)POPs; |
a0d0e21e |
1900 | STRLEN len; |
1901 | if (SvTYPE(hv) != SVt_PVHV) { |
1902 | DIE("Not a HASH reference"); |
1903 | } |
f12c7020 |
1904 | if (hv_exists_ent(hv, tmpsv, 0)) |
a0d0e21e |
1905 | RETPUSHYES; |
1906 | RETPUSHNO; |
1907 | } |
79072805 |
1908 | |
a0d0e21e |
1909 | PP(pp_hslice) |
1910 | { |
1911 | dSP; dMARK; dORIGMARK; |
f12c7020 |
1912 | register HE *he; |
a0d0e21e |
1913 | register HV *hv = (HV*)POPs; |
1914 | register I32 lval = op->op_flags & OPf_MOD; |
79072805 |
1915 | |
a0d0e21e |
1916 | if (SvTYPE(hv) == SVt_PVHV) { |
1917 | while (++MARK <= SP) { |
f12c7020 |
1918 | SV *keysv = *MARK; |
79072805 |
1919 | |
f12c7020 |
1920 | he = hv_fetch_ent(hv, keysv, lval, 0); |
a0d0e21e |
1921 | if (lval) { |
f12c7020 |
1922 | if (!he || HeVAL(he) == &sv_undef) |
1923 | DIE(no_helem, SvPV(keysv, na)); |
a0d0e21e |
1924 | if (op->op_private & OPpLVAL_INTRO) |
f12c7020 |
1925 | save_svref(&HeVAL(he)); |
93a17b20 |
1926 | } |
f12c7020 |
1927 | *MARK = he ? HeVAL(he) : &sv_undef; |
79072805 |
1928 | } |
1929 | } |
a0d0e21e |
1930 | if (GIMME != G_ARRAY) { |
1931 | MARK = ORIGMARK; |
1932 | *++MARK = *SP; |
1933 | SP = MARK; |
79072805 |
1934 | } |
a0d0e21e |
1935 | RETURN; |
1936 | } |
1937 | |
1938 | /* List operators. */ |
1939 | |
1940 | PP(pp_list) |
1941 | { |
1942 | dSP; dMARK; |
1943 | if (GIMME != G_ARRAY) { |
1944 | if (++MARK <= SP) |
1945 | *MARK = *SP; /* unwanted list, return last item */ |
8990e307 |
1946 | else |
a0d0e21e |
1947 | *MARK = &sv_undef; |
1948 | SP = MARK; |
79072805 |
1949 | } |
a0d0e21e |
1950 | RETURN; |
79072805 |
1951 | } |
1952 | |
a0d0e21e |
1953 | PP(pp_lslice) |
79072805 |
1954 | { |
1955 | dSP; |
a0d0e21e |
1956 | SV **lastrelem = stack_sp; |
1957 | SV **lastlelem = stack_base + POPMARK; |
1958 | SV **firstlelem = stack_base + POPMARK + 1; |
1959 | register SV **firstrelem = lastlelem + 1; |
1960 | I32 arybase = curcop->cop_arybase; |
4633a7c4 |
1961 | I32 lval = op->op_flags & OPf_MOD; |
1962 | I32 is_something_there = lval; |
79072805 |
1963 | |
a0d0e21e |
1964 | register I32 max = lastrelem - lastlelem; |
1965 | register SV **lelem; |
1966 | register I32 ix; |
1967 | |
1968 | if (GIMME != G_ARRAY) { |
748a9306 |
1969 | ix = SvIVx(*lastlelem); |
1970 | if (ix < 0) |
1971 | ix += max; |
1972 | else |
1973 | ix -= arybase; |
a0d0e21e |
1974 | if (ix < 0 || ix >= max) |
1975 | *firstlelem = &sv_undef; |
1976 | else |
1977 | *firstlelem = firstrelem[ix]; |
1978 | SP = firstlelem; |
1979 | RETURN; |
1980 | } |
1981 | |
1982 | if (max == 0) { |
1983 | SP = firstlelem - 1; |
1984 | RETURN; |
1985 | } |
1986 | |
1987 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { |
748a9306 |
1988 | ix = SvIVx(*lelem); |
a0d0e21e |
1989 | if (ix < 0) { |
1990 | ix += max; |
1991 | if (ix < 0) |
1992 | *lelem = &sv_undef; |
1993 | else if (!(*lelem = firstrelem[ix])) |
1994 | *lelem = &sv_undef; |
79072805 |
1995 | } |
748a9306 |
1996 | else { |
1997 | ix -= arybase; |
1998 | if (ix >= max || !(*lelem = firstrelem[ix])) |
1999 | *lelem = &sv_undef; |
2000 | } |
4633a7c4 |
2001 | if (!is_something_there && (SvOKp(*lelem) || SvGMAGICAL(*lelem))) |
2002 | is_something_there = TRUE; |
79072805 |
2003 | } |
4633a7c4 |
2004 | if (is_something_there) |
2005 | SP = lastlelem; |
2006 | else |
2007 | SP = firstlelem - 1; |
79072805 |
2008 | RETURN; |
2009 | } |
2010 | |
a0d0e21e |
2011 | PP(pp_anonlist) |
2012 | { |
2013 | dSP; dMARK; |
2014 | I32 items = SP - MARK; |
2015 | SP = MARK; |
2016 | XPUSHs((SV*)sv_2mortal((SV*)av_make(items, MARK+1))); |
2017 | RETURN; |
2018 | } |
2019 | |
2020 | PP(pp_anonhash) |
79072805 |
2021 | { |
2022 | dSP; dMARK; dORIGMARK; |
a0d0e21e |
2023 | STRLEN len; |
2024 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
2025 | |
2026 | while (MARK < SP) { |
2027 | SV* key = *++MARK; |
a0d0e21e |
2028 | SV *val = NEWSV(46, 0); |
2029 | if (MARK < SP) |
2030 | sv_setsv(val, *++MARK); |
2031 | else |
2032 | warn("Odd number of elements in hash list"); |
f12c7020 |
2033 | (void)hv_store_ent(hv,key,val,0); |
79072805 |
2034 | } |
a0d0e21e |
2035 | SP = ORIGMARK; |
2036 | XPUSHs((SV*)hv); |
79072805 |
2037 | RETURN; |
2038 | } |
2039 | |
a0d0e21e |
2040 | PP(pp_splice) |
79072805 |
2041 | { |
a0d0e21e |
2042 | dSP; dMARK; dORIGMARK; |
2043 | register AV *ary = (AV*)*++MARK; |
2044 | register SV **src; |
2045 | register SV **dst; |
2046 | register I32 i; |
2047 | register I32 offset; |
2048 | register I32 length; |
2049 | I32 newlen; |
2050 | I32 after; |
2051 | I32 diff; |
2052 | SV **tmparyval = 0; |
79072805 |
2053 | |
a0d0e21e |
2054 | SP++; |
79072805 |
2055 | |
a0d0e21e |
2056 | if (++MARK < SP) { |
2057 | offset = SvIVx(*MARK); |
2058 | if (offset < 0) |
2059 | offset += AvFILL(ary) + 1; |
2060 | else |
2061 | offset -= curcop->cop_arybase; |
2062 | if (++MARK < SP) { |
2063 | length = SvIVx(*MARK++); |
2064 | if (length < 0) |
2065 | length = 0; |
79072805 |
2066 | } |
2067 | else |
a0d0e21e |
2068 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 |
2069 | } |
a0d0e21e |
2070 | else { |
2071 | offset = 0; |
2072 | length = AvMAX(ary) + 1; |
2073 | } |
2074 | if (offset < 0) { |
2075 | length += offset; |
2076 | offset = 0; |
2077 | if (length < 0) |
2078 | length = 0; |
2079 | } |
2080 | if (offset > AvFILL(ary) + 1) |
2081 | offset = AvFILL(ary) + 1; |
2082 | after = AvFILL(ary) + 1 - (offset + length); |
2083 | if (after < 0) { /* not that much array */ |
2084 | length += after; /* offset+length now in array */ |
2085 | after = 0; |
2086 | if (!AvALLOC(ary)) |
2087 | av_extend(ary, 0); |
2088 | } |
2089 | |
2090 | /* At this point, MARK .. SP-1 is our new LIST */ |
2091 | |
2092 | newlen = SP - MARK; |
2093 | diff = newlen - length; |
2094 | |
2095 | if (diff < 0) { /* shrinking the area */ |
2096 | if (newlen) { |
2097 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ |
2098 | Copy(MARK, tmparyval, newlen, SV*); |
79072805 |
2099 | } |
a0d0e21e |
2100 | |
2101 | MARK = ORIGMARK + 1; |
2102 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
2103 | MEXTEND(MARK, length); |
2104 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); |
2105 | if (AvREAL(ary)) { |
2106 | for (i = length, dst = MARK; i; i--) |
2107 | sv_2mortal(*dst++); /* free them eventualy */ |
2108 | } |
2109 | MARK += length - 1; |
79072805 |
2110 | } |
a0d0e21e |
2111 | else { |
2112 | *MARK = AvARRAY(ary)[offset+length-1]; |
2113 | if (AvREAL(ary)) { |
2114 | sv_2mortal(*MARK); |
2115 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2116 | SvREFCNT_dec(*dst++); /* free them now */ |
79072805 |
2117 | } |
a0d0e21e |
2118 | } |
2119 | AvFILL(ary) += diff; |
2120 | |
2121 | /* pull up or down? */ |
2122 | |
2123 | if (offset < after) { /* easier to pull up */ |
2124 | if (offset) { /* esp. if nothing to pull */ |
2125 | src = &AvARRAY(ary)[offset-1]; |
2126 | dst = src - diff; /* diff is negative */ |
2127 | for (i = offset; i > 0; i--) /* can't trust Copy */ |
2128 | *dst-- = *src--; |
79072805 |
2129 | } |
a0d0e21e |
2130 | dst = AvARRAY(ary); |
2131 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ |
2132 | AvMAX(ary) += diff; |
2133 | } |
2134 | else { |
2135 | if (after) { /* anything to pull down? */ |
2136 | src = AvARRAY(ary) + offset + length; |
2137 | dst = src + diff; /* diff is negative */ |
2138 | Move(src, dst, after, SV*); |
79072805 |
2139 | } |
a0d0e21e |
2140 | dst = &AvARRAY(ary)[AvFILL(ary)+1]; |
2141 | /* avoid later double free */ |
2142 | } |
2143 | i = -diff; |
2144 | while (i) |
2145 | dst[--i] = &sv_undef; |
2146 | |
2147 | if (newlen) { |
2148 | for (src = tmparyval, dst = AvARRAY(ary) + offset; |
2149 | newlen; newlen--) { |
2150 | *dst = NEWSV(46, 0); |
2151 | sv_setsv(*dst++, *src++); |
79072805 |
2152 | } |
a0d0e21e |
2153 | Safefree(tmparyval); |
2154 | } |
2155 | } |
2156 | else { /* no, expanding (or same) */ |
2157 | if (length) { |
2158 | New(452, tmparyval, length, SV*); /* so remember deletion */ |
2159 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); |
2160 | } |
2161 | |
2162 | if (diff > 0) { /* expanding */ |
2163 | |
2164 | /* push up or down? */ |
2165 | |
2166 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { |
2167 | if (offset) { |
2168 | src = AvARRAY(ary); |
2169 | dst = src - diff; |
2170 | Move(src, dst, offset, SV*); |
79072805 |
2171 | } |
a0d0e21e |
2172 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
2173 | AvMAX(ary) += diff; |
2174 | AvFILL(ary) += diff; |
79072805 |
2175 | } |
2176 | else { |
a0d0e21e |
2177 | if (AvFILL(ary) + diff >= AvMAX(ary)) /* oh, well */ |
2178 | av_extend(ary, AvFILL(ary) + diff); |
2179 | AvFILL(ary) += diff; |
2180 | |
2181 | if (after) { |
2182 | dst = AvARRAY(ary) + AvFILL(ary); |
2183 | src = dst - diff; |
2184 | for (i = after; i; i--) { |
2185 | *dst-- = *src--; |
2186 | } |
79072805 |
2187 | } |
2188 | } |
a0d0e21e |
2189 | } |
2190 | |
2191 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { |
2192 | *dst = NEWSV(46, 0); |
2193 | sv_setsv(*dst++, *src++); |
2194 | } |
2195 | MARK = ORIGMARK + 1; |
2196 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
2197 | if (length) { |
2198 | Copy(tmparyval, MARK, length, SV*); |
2199 | if (AvREAL(ary)) { |
2200 | for (i = length, dst = MARK; i; i--) |
2201 | sv_2mortal(*dst++); /* free them eventualy */ |
79072805 |
2202 | } |
a0d0e21e |
2203 | Safefree(tmparyval); |
79072805 |
2204 | } |
a0d0e21e |
2205 | MARK += length - 1; |
2206 | } |
2207 | else if (length--) { |
2208 | *MARK = tmparyval[length]; |
2209 | if (AvREAL(ary)) { |
2210 | sv_2mortal(*MARK); |
2211 | while (length-- > 0) |
2212 | SvREFCNT_dec(tmparyval[length]); |
79072805 |
2213 | } |
a0d0e21e |
2214 | Safefree(tmparyval); |
79072805 |
2215 | } |
a0d0e21e |
2216 | else |
2217 | *MARK = &sv_undef; |
79072805 |
2218 | } |
a0d0e21e |
2219 | SP = MARK; |
79072805 |
2220 | RETURN; |
2221 | } |
2222 | |
a0d0e21e |
2223 | PP(pp_push) |
79072805 |
2224 | { |
2225 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e |
2226 | register AV *ary = (AV*)*++MARK; |
2227 | register SV *sv = &sv_undef; |
79072805 |
2228 | |
a0d0e21e |
2229 | for (++MARK; MARK <= SP; MARK++) { |
2230 | sv = NEWSV(51, 0); |
2231 | if (*MARK) |
2232 | sv_setsv(sv, *MARK); |
2233 | av_push(ary, sv); |
79072805 |
2234 | } |
2235 | SP = ORIGMARK; |
a0d0e21e |
2236 | PUSHi( AvFILL(ary) + 1 ); |
79072805 |
2237 | RETURN; |
2238 | } |
2239 | |
a0d0e21e |
2240 | PP(pp_pop) |
79072805 |
2241 | { |
2242 | dSP; |
a0d0e21e |
2243 | AV *av = (AV*)POPs; |
2244 | SV *sv = av_pop(av); |
2245 | if (sv != &sv_undef && AvREAL(av)) |
2246 | (void)sv_2mortal(sv); |
2247 | PUSHs(sv); |
79072805 |
2248 | RETURN; |
79072805 |
2249 | } |
2250 | |
a0d0e21e |
2251 | PP(pp_shift) |
79072805 |
2252 | { |
2253 | dSP; |
a0d0e21e |
2254 | AV *av = (AV*)POPs; |
2255 | SV *sv = av_shift(av); |
79072805 |
2256 | EXTEND(SP, 1); |
a0d0e21e |
2257 | if (!sv) |
79072805 |
2258 | RETPUSHUNDEF; |
a0d0e21e |
2259 | if (sv != &sv_undef && AvREAL(av)) |
2260 | (void)sv_2mortal(sv); |
2261 | PUSHs(sv); |
79072805 |
2262 | RETURN; |
79072805 |
2263 | } |
2264 | |
a0d0e21e |
2265 | PP(pp_unshift) |
79072805 |
2266 | { |
a0d0e21e |
2267 | dSP; dMARK; dORIGMARK; dTARGET; |
2268 | register AV *ary = (AV*)*++MARK; |
2269 | register SV *sv; |
2270 | register I32 i = 0; |
79072805 |
2271 | |
a0d0e21e |
2272 | av_unshift(ary, SP - MARK); |
2273 | while (MARK < SP) { |
2274 | sv = NEWSV(27, 0); |
2275 | sv_setsv(sv, *++MARK); |
2276 | (void)av_store(ary, i++, sv); |
79072805 |
2277 | } |
79072805 |
2278 | |
a0d0e21e |
2279 | SP = ORIGMARK; |
2280 | PUSHi( AvFILL(ary) + 1 ); |
79072805 |
2281 | RETURN; |
79072805 |
2282 | } |
2283 | |
a0d0e21e |
2284 | PP(pp_reverse) |
79072805 |
2285 | { |
a0d0e21e |
2286 | dSP; dMARK; |
2287 | register SV *tmp; |
2288 | SV **oldsp = SP; |
79072805 |
2289 | |
a0d0e21e |
2290 | if (GIMME == G_ARRAY) { |
2291 | MARK++; |
2292 | while (MARK < SP) { |
2293 | tmp = *MARK; |
2294 | *MARK++ = *SP; |
2295 | *SP-- = tmp; |
2296 | } |
2297 | SP = oldsp; |
79072805 |
2298 | } |
2299 | else { |
a0d0e21e |
2300 | register char *up; |
2301 | register char *down; |
2302 | register I32 tmp; |
2303 | dTARGET; |
2304 | STRLEN len; |
79072805 |
2305 | |
a0d0e21e |
2306 | if (SP - MARK > 1) |
2307 | do_join(TARG, &sv_no, MARK, SP); |
2308 | else |
2309 | sv_setsv(TARG, *SP); |
2310 | up = SvPV_force(TARG, len); |
2311 | if (len > 1) { |
2312 | down = SvPVX(TARG) + len - 1; |
2313 | while (down > up) { |
2314 | tmp = *up; |
2315 | *up++ = *down; |
2316 | *down-- = tmp; |
2317 | } |
2318 | (void)SvPOK_only(TARG); |
79072805 |
2319 | } |
a0d0e21e |
2320 | SP = MARK + 1; |
2321 | SETTARG; |
79072805 |
2322 | } |
a0d0e21e |
2323 | RETURN; |
79072805 |
2324 | } |
2325 | |
a0d0e21e |
2326 | /* Explosives and implosives. */ |
2327 | |
2328 | PP(pp_unpack) |
79072805 |
2329 | { |
2330 | dSP; |
a0d0e21e |
2331 | dPOPPOPssrl; |
ed6116ce |
2332 | SV *sv; |
a0d0e21e |
2333 | STRLEN llen; |
2334 | STRLEN rlen; |
2335 | register char *pat = SvPV(left, llen); |
2336 | register char *s = SvPV(right, rlen); |
2337 | char *strend = s + rlen; |
2338 | char *strbeg = s; |
2339 | register char *patend = pat + llen; |
2340 | I32 datumtype; |
2341 | register I32 len; |
2342 | register I32 bits; |
79072805 |
2343 | |
a0d0e21e |
2344 | /* These must not be in registers: */ |
2345 | I16 ashort; |
2346 | int aint; |
2347 | I32 along; |
ecfc5424 |
2348 | #ifdef HAS_QUAD |
2349 | Quad_t aquad; |
a0d0e21e |
2350 | #endif |
2351 | U16 aushort; |
2352 | unsigned int auint; |
2353 | U32 aulong; |
ecfc5424 |
2354 | #ifdef HAS_QUAD |
2355 | unsigned Quad_t auquad; |
a0d0e21e |
2356 | #endif |
2357 | char *aptr; |
2358 | float afloat; |
2359 | double adouble; |
2360 | I32 checksum = 0; |
2361 | register U32 culong; |
2362 | double cdouble; |
2363 | static char* bitcount = 0; |
79072805 |
2364 | |
a0d0e21e |
2365 | if (GIMME != G_ARRAY) { /* arrange to do first one only */ |
2366 | /*SUPPRESS 530*/ |
2367 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; |
748a9306 |
2368 | if (strchr("aAbBhHP", *patend) || *pat == '%') { |
a0d0e21e |
2369 | patend++; |
2370 | while (isDIGIT(*patend) || *patend == '*') |
2371 | patend++; |
2372 | } |
2373 | else |
2374 | patend++; |
79072805 |
2375 | } |
a0d0e21e |
2376 | while (pat < patend) { |
2377 | reparse: |
2378 | datumtype = *pat++; |
2379 | if (pat >= patend) |
2380 | len = 1; |
2381 | else if (*pat == '*') { |
2382 | len = strend - strbeg; /* long enough */ |
2383 | pat++; |
2384 | } |
2385 | else if (isDIGIT(*pat)) { |
2386 | len = *pat++ - '0'; |
2387 | while (isDIGIT(*pat)) |
2388 | len = (len * 10) + (*pat++ - '0'); |
2389 | } |
2390 | else |
2391 | len = (datumtype != '@'); |
2392 | switch(datumtype) { |
2393 | default: |
2394 | break; |
2395 | case '%': |
2396 | if (len == 1 && pat[-1] != '1') |
2397 | len = 16; |
2398 | checksum = len; |
2399 | culong = 0; |
2400 | cdouble = 0; |
2401 | if (pat < patend) |
2402 | goto reparse; |
2403 | break; |
2404 | case '@': |
2405 | if (len > strend - strbeg) |
2406 | DIE("@ outside of string"); |
2407 | s = strbeg + len; |
2408 | break; |
2409 | case 'X': |
2410 | if (len > s - strbeg) |
2411 | DIE("X outside of string"); |
2412 | s -= len; |
2413 | break; |
2414 | case 'x': |
2415 | if (len > strend - s) |
2416 | DIE("x outside of string"); |
2417 | s += len; |
2418 | break; |
2419 | case 'A': |
2420 | case 'a': |
2421 | if (len > strend - s) |
2422 | len = strend - s; |
2423 | if (checksum) |
2424 | goto uchar_checksum; |
2425 | sv = NEWSV(35, len); |
2426 | sv_setpvn(sv, s, len); |
2427 | s += len; |
2428 | if (datumtype == 'A') { |
2429 | aptr = s; /* borrow register */ |
2430 | s = SvPVX(sv) + len - 1; |
2431 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) |
2432 | s--; |
2433 | *++s = '\0'; |
2434 | SvCUR_set(sv, s - SvPVX(sv)); |
2435 | s = aptr; /* unborrow register */ |
2436 | } |
2437 | XPUSHs(sv_2mortal(sv)); |
2438 | break; |
2439 | case 'B': |
2440 | case 'b': |
2441 | if (pat[-1] == '*' || len > (strend - s) * 8) |
2442 | len = (strend - s) * 8; |
2443 | if (checksum) { |
2444 | if (!bitcount) { |
2445 | Newz(601, bitcount, 256, char); |
2446 | for (bits = 1; bits < 256; bits++) { |
2447 | if (bits & 1) bitcount[bits]++; |
2448 | if (bits & 2) bitcount[bits]++; |
2449 | if (bits & 4) bitcount[bits]++; |
2450 | if (bits & 8) bitcount[bits]++; |
2451 | if (bits & 16) bitcount[bits]++; |
2452 | if (bits & 32) bitcount[bits]++; |
2453 | if (bits & 64) bitcount[bits]++; |
2454 | if (bits & 128) bitcount[bits]++; |
2455 | } |
2456 | } |
2457 | while (len >= 8) { |
2458 | culong += bitcount[*(unsigned char*)s++]; |
2459 | len -= 8; |
2460 | } |
2461 | if (len) { |
2462 | bits = *s; |
2463 | if (datumtype == 'b') { |
2464 | while (len-- > 0) { |
2465 | if (bits & 1) culong++; |
2466 | bits >>= 1; |
2467 | } |
2468 | } |
2469 | else { |
2470 | while (len-- > 0) { |
2471 | if (bits & 128) culong++; |
2472 | bits <<= 1; |
2473 | } |
2474 | } |
2475 | } |
79072805 |
2476 | break; |
2477 | } |
a0d0e21e |
2478 | sv = NEWSV(35, len + 1); |
2479 | SvCUR_set(sv, len); |
2480 | SvPOK_on(sv); |
2481 | aptr = pat; /* borrow register */ |
2482 | pat = SvPVX(sv); |
2483 | if (datumtype == 'b') { |
2484 | aint = len; |
2485 | for (len = 0; len < aint; len++) { |
2486 | if (len & 7) /*SUPPRESS 595*/ |
2487 | bits >>= 1; |
2488 | else |
2489 | bits = *s++; |
2490 | *pat++ = '0' + (bits & 1); |
2491 | } |
2492 | } |
2493 | else { |
2494 | aint = len; |
2495 | for (len = 0; len < aint; len++) { |
2496 | if (len & 7) |
2497 | bits <<= 1; |
2498 | else |
2499 | bits = *s++; |
2500 | *pat++ = '0' + ((bits & 128) != 0); |
2501 | } |
2502 | } |
2503 | *pat = '\0'; |
2504 | pat = aptr; /* unborrow register */ |
2505 | XPUSHs(sv_2mortal(sv)); |
2506 | break; |
2507 | case 'H': |
2508 | case 'h': |
2509 | if (pat[-1] == '*' || len > (strend - s) * 2) |
2510 | len = (strend - s) * 2; |
2511 | sv = NEWSV(35, len + 1); |
2512 | SvCUR_set(sv, len); |
2513 | SvPOK_on(sv); |
2514 | aptr = pat; /* borrow register */ |
2515 | pat = SvPVX(sv); |
2516 | if (datumtype == 'h') { |
2517 | aint = len; |
2518 | for (len = 0; len < aint; len++) { |
2519 | if (len & 1) |
2520 | bits >>= 4; |
2521 | else |
2522 | bits = *s++; |
2523 | *pat++ = hexdigit[bits & 15]; |
2524 | } |
2525 | } |
2526 | else { |
2527 | aint = len; |
2528 | for (len = 0; len < aint; len++) { |
2529 | if (len & 1) |
2530 | bits <<= 4; |
2531 | else |
2532 | bits = *s++; |
2533 | *pat++ = hexdigit[(bits >> 4) & 15]; |
2534 | } |
2535 | } |
2536 | *pat = '\0'; |
2537 | pat = aptr; /* unborrow register */ |
2538 | XPUSHs(sv_2mortal(sv)); |
2539 | break; |
2540 | case 'c': |
2541 | if (len > strend - s) |
2542 | len = strend - s; |
2543 | if (checksum) { |
2544 | while (len-- > 0) { |
2545 | aint = *s++; |
2546 | if (aint >= 128) /* fake up signed chars */ |
2547 | aint -= 256; |
2548 | culong += aint; |
2549 | } |
2550 | } |
2551 | else { |
2552 | EXTEND(SP, len); |
2553 | while (len-- > 0) { |
2554 | aint = *s++; |
2555 | if (aint >= 128) /* fake up signed chars */ |
2556 | aint -= 256; |
2557 | sv = NEWSV(36, 0); |
2558 | sv_setiv(sv, (I32)aint); |
2559 | PUSHs(sv_2mortal(sv)); |
2560 | } |
2561 | } |
2562 | break; |
2563 | case 'C': |
2564 | if (len > strend - s) |
2565 | len = strend - s; |
2566 | if (checksum) { |
2567 | uchar_checksum: |
2568 | while (len-- > 0) { |
2569 | auint = *s++ & 255; |
2570 | culong += auint; |
2571 | } |
2572 | } |
2573 | else { |
2574 | EXTEND(SP, len); |
2575 | while (len-- > 0) { |
2576 | auint = *s++ & 255; |
2577 | sv = NEWSV(37, 0); |
2578 | sv_setiv(sv, (I32)auint); |
2579 | PUSHs(sv_2mortal(sv)); |
2580 | } |
2581 | } |
2582 | break; |
2583 | case 's': |
2584 | along = (strend - s) / sizeof(I16); |
2585 | if (len > along) |
2586 | len = along; |
2587 | if (checksum) { |
2588 | while (len-- > 0) { |
2589 | Copy(s, &ashort, 1, I16); |
2590 | s += sizeof(I16); |
2591 | culong += ashort; |
2592 | } |
2593 | } |
2594 | else { |
2595 | EXTEND(SP, len); |
2596 | while (len-- > 0) { |
2597 | Copy(s, &ashort, 1, I16); |
2598 | s += sizeof(I16); |
2599 | sv = NEWSV(38, 0); |
2600 | sv_setiv(sv, (I32)ashort); |
2601 | PUSHs(sv_2mortal(sv)); |
2602 | } |
2603 | } |
2604 | break; |
2605 | case 'v': |
2606 | case 'n': |
2607 | case 'S': |
2608 | along = (strend - s) / sizeof(U16); |
2609 | if (len > along) |
2610 | len = along; |
2611 | if (checksum) { |
2612 | while (len-- > 0) { |
2613 | Copy(s, &aushort, 1, U16); |
2614 | s += sizeof(U16); |
2615 | #ifdef HAS_NTOHS |
2616 | if (datumtype == 'n') |
2617 | aushort = ntohs(aushort); |
79072805 |
2618 | #endif |
a0d0e21e |
2619 | #ifdef HAS_VTOHS |
2620 | if (datumtype == 'v') |
2621 | aushort = vtohs(aushort); |
79072805 |
2622 | #endif |
a0d0e21e |
2623 | culong += aushort; |
2624 | } |
2625 | } |
2626 | else { |
2627 | EXTEND(SP, len); |
2628 | while (len-- > 0) { |
2629 | Copy(s, &aushort, 1, U16); |
2630 | s += sizeof(U16); |
2631 | sv = NEWSV(39, 0); |
2632 | #ifdef HAS_NTOHS |
2633 | if (datumtype == 'n') |
2634 | aushort = ntohs(aushort); |
79072805 |
2635 | #endif |
a0d0e21e |
2636 | #ifdef HAS_VTOHS |
2637 | if (datumtype == 'v') |
2638 | aushort = vtohs(aushort); |
79072805 |
2639 | #endif |
a0d0e21e |
2640 | sv_setiv(sv, (I32)aushort); |
2641 | PUSHs(sv_2mortal(sv)); |
2642 | } |
2643 | } |
2644 | break; |
2645 | case 'i': |
2646 | along = (strend - s) / sizeof(int); |
2647 | if (len > along) |
2648 | len = along; |
2649 | if (checksum) { |
2650 | while (len-- > 0) { |
2651 | Copy(s, &aint, 1, int); |
2652 | s += sizeof(int); |
2653 | if (checksum > 32) |
2654 | cdouble += (double)aint; |
2655 | else |
2656 | culong += aint; |
2657 | } |
2658 | } |
2659 | else { |
2660 | EXTEND(SP, len); |
2661 | while (len-- > 0) { |
2662 | Copy(s, &aint, 1, int); |
2663 | s += sizeof(int); |
2664 | sv = NEWSV(40, 0); |
2665 | sv_setiv(sv, (I32)aint); |
2666 | PUSHs(sv_2mortal(sv)); |
2667 | } |
2668 | } |
2669 | break; |
2670 | case 'I': |
2671 | along = (strend - s) / sizeof(unsigned int); |
2672 | if (len > along) |
2673 | len = along; |
2674 | if (checksum) { |
2675 | while (len-- > 0) { |
2676 | Copy(s, &auint, 1, unsigned int); |
2677 | s += sizeof(unsigned int); |
2678 | if (checksum > 32) |
2679 | cdouble += (double)auint; |
2680 | else |
2681 | culong += auint; |
2682 | } |
2683 | } |
2684 | else { |
2685 | EXTEND(SP, len); |
2686 | while (len-- > 0) { |
2687 | Copy(s, &auint, 1, unsigned int); |
2688 | s += sizeof(unsigned int); |
2689 | sv = NEWSV(41, 0); |
2690 | sv_setiv(sv, (I32)auint); |
2691 | PUSHs(sv_2mortal(sv)); |
2692 | } |
2693 | } |
2694 | break; |
2695 | case 'l': |
2696 | along = (strend - s) / sizeof(I32); |
2697 | if (len > along) |
2698 | len = along; |
2699 | if (checksum) { |
2700 | while (len-- > 0) { |
2701 | Copy(s, &along, 1, I32); |
2702 | s += sizeof(I32); |
2703 | if (checksum > 32) |
2704 | cdouble += (double)along; |
2705 | else |
2706 | culong += along; |
2707 | } |
2708 | } |
2709 | else { |
2710 | EXTEND(SP, len); |
2711 | while (len-- > 0) { |
2712 | Copy(s, &along, 1, I32); |
2713 | s += sizeof(I32); |
2714 | sv = NEWSV(42, 0); |
2715 | sv_setiv(sv, (I32)along); |
2716 | PUSHs(sv_2mortal(sv)); |
2717 | } |
79072805 |
2718 | } |
a0d0e21e |
2719 | break; |
2720 | case 'V': |
2721 | case 'N': |
2722 | case 'L': |
2723 | along = (strend - s) / sizeof(U32); |
2724 | if (len > along) |
2725 | len = along; |
2726 | if (checksum) { |
2727 | while (len-- > 0) { |
2728 | Copy(s, &aulong, 1, U32); |
2729 | s += sizeof(U32); |
2730 | #ifdef HAS_NTOHL |
2731 | if (datumtype == 'N') |
2732 | aulong = ntohl(aulong); |
79072805 |
2733 | #endif |
a0d0e21e |
2734 | #ifdef HAS_VTOHL |
2735 | if (datumtype == 'V') |
2736 | aulong = vtohl(aulong); |
79072805 |
2737 | #endif |
a0d0e21e |
2738 | if (checksum > 32) |
2739 | cdouble += (double)aulong; |
2740 | else |
2741 | culong += aulong; |
2742 | } |
2743 | } |
2744 | else { |
2745 | EXTEND(SP, len); |
2746 | while (len-- > 0) { |
2747 | Copy(s, &aulong, 1, U32); |
2748 | s += sizeof(U32); |
2749 | sv = NEWSV(43, 0); |
2750 | #ifdef HAS_NTOHL |
2751 | if (datumtype == 'N') |
2752 | aulong = ntohl(aulong); |
79072805 |
2753 | #endif |
a0d0e21e |
2754 | #ifdef HAS_VTOHL |
2755 | if (datumtype == 'V') |
2756 | aulong = vtohl(aulong); |
79072805 |
2757 | #endif |
a0d0e21e |
2758 | sv_setnv(sv, (double)aulong); |
2759 | PUSHs(sv_2mortal(sv)); |
2760 | } |
2761 | } |
2762 | break; |
2763 | case 'p': |
2764 | along = (strend - s) / sizeof(char*); |
2765 | if (len > along) |
2766 | len = along; |
2767 | EXTEND(SP, len); |
2768 | while (len-- > 0) { |
2769 | if (sizeof(char*) > strend - s) |
2770 | break; |
2771 | else { |
2772 | Copy(s, &aptr, 1, char*); |
2773 | s += sizeof(char*); |
2774 | } |
2775 | sv = NEWSV(44, 0); |
2776 | if (aptr) |
2777 | sv_setpv(sv, aptr); |
2778 | PUSHs(sv_2mortal(sv)); |
2779 | } |
2780 | break; |
2781 | case 'P': |
2782 | EXTEND(SP, 1); |
2783 | if (sizeof(char*) > strend - s) |
2784 | break; |
2785 | else { |
2786 | Copy(s, &aptr, 1, char*); |
2787 | s += sizeof(char*); |
2788 | } |
2789 | sv = NEWSV(44, 0); |
2790 | if (aptr) |
2791 | sv_setpvn(sv, aptr, len); |
2792 | PUSHs(sv_2mortal(sv)); |
2793 | break; |
ecfc5424 |
2794 | #ifdef HAS_QUAD |
a0d0e21e |
2795 | case 'q': |
2796 | EXTEND(SP, len); |
2797 | while (len-- > 0) { |
ecfc5424 |
2798 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e |
2799 | aquad = 0; |
2800 | else { |
ecfc5424 |
2801 | Copy(s, &aquad, 1, Quad_t); |
2802 | s += sizeof(Quad_t); |
a0d0e21e |
2803 | } |
2804 | sv = NEWSV(42, 0); |
2805 | sv_setiv(sv, (IV)aquad); |
2806 | PUSHs(sv_2mortal(sv)); |
2807 | } |
2808 | break; |
2809 | case 'Q': |
2810 | EXTEND(SP, len); |
2811 | while (len-- > 0) { |
ecfc5424 |
2812 | if (s + sizeof(unsigned Quad_t) > strend) |
a0d0e21e |
2813 | auquad = 0; |
2814 | else { |
ecfc5424 |
2815 | Copy(s, &auquad, 1, unsigned Quad_t); |
2816 | s += sizeof(unsigned Quad_t); |
a0d0e21e |
2817 | } |
2818 | sv = NEWSV(43, 0); |
2819 | sv_setiv(sv, (IV)auquad); |
2820 | PUSHs(sv_2mortal(sv)); |
2821 | } |
2822 | break; |
79072805 |
2823 | #endif |
a0d0e21e |
2824 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
2825 | case 'f': |
2826 | case 'F': |
2827 | along = (strend - s) / sizeof(float); |
2828 | if (len > along) |
2829 | len = along; |
2830 | if (checksum) { |
2831 | while (len-- > 0) { |
2832 | Copy(s, &afloat, 1, float); |
2833 | s += sizeof(float); |
2834 | cdouble += afloat; |
2835 | } |
2836 | } |
2837 | else { |
2838 | EXTEND(SP, len); |
2839 | while (len-- > 0) { |
2840 | Copy(s, &afloat, 1, float); |
2841 | s += sizeof(float); |
2842 | sv = NEWSV(47, 0); |
2843 | sv_setnv(sv, (double)afloat); |
2844 | PUSHs(sv_2mortal(sv)); |
2845 | } |
2846 | } |
2847 | break; |
2848 | case 'd': |
2849 | case 'D': |
2850 | along = (strend - s) / sizeof(double); |
2851 | if (len > along) |
2852 | len = along; |
2853 | if (checksum) { |
2854 | while (len-- > 0) { |
2855 | Copy(s, &adouble, 1, double); |
2856 | s += sizeof(double); |
2857 | cdouble += adouble; |
2858 | } |
2859 | } |
2860 | else { |
2861 | EXTEND(SP, len); |
2862 | while (len-- > 0) { |
2863 | Copy(s, &adouble, 1, double); |
2864 | s += sizeof(double); |
2865 | sv = NEWSV(48, 0); |
2866 | sv_setnv(sv, (double)adouble); |
2867 | PUSHs(sv_2mortal(sv)); |
2868 | } |
2869 | } |
2870 | break; |
2871 | case 'u': |
2872 | along = (strend - s) * 3 / 4; |
2873 | sv = NEWSV(42, along); |
f12c7020 |
2874 | if (along) |
2875 | SvPOK_on(sv); |
a0d0e21e |
2876 | while (s < strend && *s > ' ' && *s < 'a') { |
2877 | I32 a, b, c, d; |
2878 | char hunk[4]; |
79072805 |
2879 | |
a0d0e21e |
2880 | hunk[3] = '\0'; |
2881 | len = (*s++ - ' ') & 077; |
2882 | while (len > 0) { |
2883 | if (s < strend && *s >= ' ') |
2884 | a = (*s++ - ' ') & 077; |
2885 | else |
2886 | a = 0; |
2887 | if (s < strend && *s >= ' ') |
2888 | b = (*s++ - ' ') & 077; |
2889 | else |
2890 | b = 0; |
2891 | if (s < strend && *s >= ' ') |
2892 | c = (*s++ - ' ') & 077; |
2893 | else |
2894 | c = 0; |
2895 | if (s < strend && *s >= ' ') |
2896 | d = (*s++ - ' ') & 077; |
2897 | else |
2898 | d = 0; |
2899 | hunk[0] = a << 2 | b >> 4; |
2900 | hunk[1] = b << 4 | c >> 2; |
2901 | hunk[2] = c << 6 | d; |
2902 | sv_catpvn(sv, hunk, len > 3 ? 3 : len); |
2903 | len -= 3; |
2904 | } |
2905 | if (*s == '\n') |
2906 | s++; |
2907 | else if (s[1] == '\n') /* possible checksum byte */ |
2908 | s += 2; |
79072805 |
2909 | } |
a0d0e21e |
2910 | XPUSHs(sv_2mortal(sv)); |
2911 | break; |
79072805 |
2912 | } |
a0d0e21e |
2913 | if (checksum) { |
2914 | sv = NEWSV(42, 0); |
2915 | if (strchr("fFdD", datumtype) || |
2916 | (checksum > 32 && strchr("iIlLN", datumtype)) ) { |
2917 | double trouble; |
79072805 |
2918 | |
a0d0e21e |
2919 | adouble = 1.0; |
2920 | while (checksum >= 16) { |
2921 | checksum -= 16; |
2922 | adouble *= 65536.0; |
2923 | } |
2924 | while (checksum >= 4) { |
2925 | checksum -= 4; |
2926 | adouble *= 16.0; |
2927 | } |
2928 | while (checksum--) |
2929 | adouble *= 2.0; |
2930 | along = (1 << checksum) - 1; |
2931 | while (cdouble < 0.0) |
2932 | cdouble += adouble; |
2933 | cdouble = modf(cdouble / adouble, &trouble) * adouble; |
2934 | sv_setnv(sv, cdouble); |
2935 | } |
2936 | else { |
2937 | if (checksum < 32) { |
2938 | along = (1 << checksum) - 1; |
2939 | culong &= (U32)along; |
2940 | } |
2941 | sv_setnv(sv, (double)culong); |
2942 | } |
2943 | XPUSHs(sv_2mortal(sv)); |
2944 | checksum = 0; |
79072805 |
2945 | } |
79072805 |
2946 | } |
79072805 |
2947 | RETURN; |
79072805 |
2948 | } |
2949 | |
a0d0e21e |
2950 | static void |
2951 | doencodes(sv, s, len) |
2952 | register SV *sv; |
2953 | register char *s; |
2954 | register I32 len; |
79072805 |
2955 | { |
a0d0e21e |
2956 | char hunk[5]; |
79072805 |
2957 | |
a0d0e21e |
2958 | *hunk = len + ' '; |
2959 | sv_catpvn(sv, hunk, 1); |
2960 | hunk[4] = '\0'; |
2961 | while (len > 0) { |
2962 | hunk[0] = ' ' + (077 & (*s >> 2)); |
2963 | hunk[1] = ' ' + (077 & ((*s << 4) & 060 | (s[1] >> 4) & 017)); |
2964 | hunk[2] = ' ' + (077 & ((s[1] << 2) & 074 | (s[2] >> 6) & 03)); |
2965 | hunk[3] = ' ' + (077 & (s[2] & 077)); |
2966 | sv_catpvn(sv, hunk, 4); |
2967 | s += 3; |
2968 | len -= 3; |
2969 | } |
2970 | for (s = SvPVX(sv); *s; s++) { |
2971 | if (*s == ' ') |
2972 | *s = '`'; |
2973 | } |
2974 | sv_catpvn(sv, "\n", 1); |
79072805 |
2975 | } |
2976 | |
a0d0e21e |
2977 | PP(pp_pack) |
79072805 |
2978 | { |
a0d0e21e |
2979 | dSP; dMARK; dORIGMARK; dTARGET; |
2980 | register SV *cat = TARG; |
2981 | register I32 items; |
2982 | STRLEN fromlen; |
2983 | register char *pat = SvPVx(*++MARK, fromlen); |
2984 | register char *patend = pat + fromlen; |
2985 | register I32 len; |
2986 | I32 datumtype; |
2987 | SV *fromstr; |
2988 | /*SUPPRESS 442*/ |
2989 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; |
2990 | static char *space10 = " "; |
79072805 |
2991 | |
a0d0e21e |
2992 | /* These must not be in registers: */ |
2993 | char achar; |
2994 | I16 ashort; |
2995 | int aint; |
2996 | unsigned int auint; |
2997 | I32 along; |
2998 | U32 aulong; |
ecfc5424 |
2999 | #ifdef HAS_QUAD |
3000 | Quad_t aquad; |
3001 | unsigned Quad_t auquad; |
79072805 |
3002 | #endif |
a0d0e21e |
3003 | char *aptr; |
3004 | float afloat; |
3005 | double adouble; |
79072805 |
3006 | |
a0d0e21e |
3007 | items = SP - MARK; |
3008 | MARK++; |
3009 | sv_setpvn(cat, "", 0); |
3010 | while (pat < patend) { |
3011 | #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no) |
3012 | datumtype = *pat++; |
3013 | if (*pat == '*') { |
3014 | len = strchr("@Xxu", datumtype) ? 0 : items; |
3015 | pat++; |
3016 | } |
3017 | else if (isDIGIT(*pat)) { |
3018 | len = *pat++ - '0'; |
3019 | while (isDIGIT(*pat)) |
3020 | len = (len * 10) + (*pat++ - '0'); |
3021 | } |
3022 | else |
3023 | len = 1; |
3024 | switch(datumtype) { |
3025 | default: |
3026 | break; |
3027 | case '%': |
3028 | DIE("%% may only be used in unpack"); |
3029 | case '@': |
3030 | len -= SvCUR(cat); |
3031 | if (len > 0) |
3032 | goto grow; |
3033 | len = -len; |
3034 | if (len > 0) |
3035 | goto shrink; |
3036 | break; |
3037 | case 'X': |
3038 | shrink: |
3039 | if (SvCUR(cat) < len) |
3040 | DIE("X outside of string"); |
3041 | SvCUR(cat) -= len; |
3042 | *SvEND(cat) = '\0'; |
3043 | break; |
3044 | case 'x': |
3045 | grow: |
3046 | while (len >= 10) { |
3047 | sv_catpvn(cat, null10, 10); |
3048 | len -= 10; |
3049 | } |
3050 | sv_catpvn(cat, null10, len); |
3051 | break; |
3052 | case 'A': |
3053 | case 'a': |
3054 | fromstr = NEXTFROM; |
3055 | aptr = SvPV(fromstr, fromlen); |
3056 | if (pat[-1] == '*') |
3057 | len = fromlen; |
3058 | if (fromlen > len) |
3059 | sv_catpvn(cat, aptr, len); |
3060 | else { |
3061 | sv_catpvn(cat, aptr, fromlen); |
3062 | len -= fromlen; |
3063 | if (datumtype == 'A') { |
3064 | while (len >= 10) { |
3065 | sv_catpvn(cat, space10, 10); |
3066 | len -= 10; |
3067 | } |
3068 | sv_catpvn(cat, space10, len); |
3069 | } |
3070 | else { |
3071 | while (len >= 10) { |
3072 | sv_catpvn(cat, null10, 10); |
3073 | len -= 10; |
3074 | } |
3075 | sv_catpvn(cat, null10, len); |
3076 | } |
3077 | } |
3078 | break; |
3079 | case 'B': |
3080 | case 'b': |
3081 | { |
3082 | char *savepat = pat; |
3083 | I32 saveitems; |
79072805 |
3084 | |
a0d0e21e |
3085 | fromstr = NEXTFROM; |
3086 | saveitems = items; |
3087 | aptr = SvPV(fromstr, fromlen); |
3088 | if (pat[-1] == '*') |
3089 | len = fromlen; |
3090 | pat = aptr; |
3091 | aint = SvCUR(cat); |
3092 | SvCUR(cat) += (len+7)/8; |
3093 | SvGROW(cat, SvCUR(cat) + 1); |
3094 | aptr = SvPVX(cat) + aint; |
3095 | if (len > fromlen) |
3096 | len = fromlen; |
3097 | aint = len; |
3098 | items = 0; |
3099 | if (datumtype == 'B') { |
3100 | for (len = 0; len++ < aint;) { |
3101 | items |= *pat++ & 1; |
3102 | if (len & 7) |
3103 | items <<= 1; |
3104 | else { |
3105 | *aptr++ = items & 0xff; |
3106 | items = 0; |
3107 | } |
3108 | } |
3109 | } |
3110 | else { |
3111 | for (len = 0; len++ < aint;) { |
3112 | if (*pat++ & 1) |
3113 | items |= 128; |
3114 | if (len & 7) |
3115 | items >>= 1; |
3116 | else { |
3117 | *aptr++ = items & 0xff; |
3118 | items = 0; |
3119 | } |
3120 | } |
3121 | } |
3122 | if (aint & 7) { |
3123 | if (datumtype == 'B') |
3124 | items <<= 7 - (aint & 7); |
3125 | else |
3126 | items >>= 7 - (aint & 7); |
3127 | *aptr++ = items & 0xff; |
3128 | } |
3129 | pat = SvPVX(cat) + SvCUR(cat); |
3130 | while (aptr <= pat) |
3131 | *aptr++ = '\0'; |
79072805 |
3132 | |
a0d0e21e |
3133 | pat = savepat; |
3134 | items = saveitems; |
3135 | } |
3136 | break; |
3137 | case 'H': |
3138 | case 'h': |
3139 | { |
3140 | char *savepat = pat; |
3141 | I32 saveitems; |
79072805 |
3142 | |
a0d0e21e |
3143 | fromstr = NEXTFROM; |
3144 | saveitems = items; |
3145 | aptr = SvPV(fromstr, fromlen); |
3146 | if (pat[-1] == '*') |
3147 | len = fromlen; |
3148 | pat = aptr; |
3149 | aint = SvCUR(cat); |
3150 | SvCUR(cat) += (len+1)/2; |
3151 | SvGROW(cat, SvCUR(cat) + 1); |
3152 | aptr = SvPVX(cat) + aint; |
3153 | if (len > fromlen) |
3154 | len = fromlen; |
3155 | aint = len; |
3156 | items = 0; |
3157 | if (datumtype == 'H') { |
3158 | for (len = 0; len++ < aint;) { |
3159 | if (isALPHA(*pat)) |
3160 | items |= ((*pat++ & 15) + 9) & 15; |
3161 | else |
3162 | items |= *pat++ & 15; |
3163 | if (len & 1) |
3164 | items <<= 4; |
3165 | else { |
3166 | *aptr++ = items & 0xff; |
3167 | items = 0; |
3168 | } |
3169 | } |
3170 | } |
3171 | else { |
3172 | for (len = 0; len++ < aint;) { |
3173 | if (isALPHA(*pat)) |
3174 | items |= (((*pat++ & 15) + 9) & 15) << 4; |
3175 | else |
3176 | items |= (*pat++ & 15) << 4; |
3177 | if (len & 1) |
3178 | items >>= 4; |
3179 | else { |
3180 | *aptr++ = items & 0xff; |
3181 | items = 0; |
3182 | } |
3183 | } |
3184 | } |
3185 | if (aint & 1) |
3186 | *aptr++ = items & 0xff; |
3187 | pat = SvPVX(cat) + SvCUR(cat); |
3188 | while (aptr <= pat) |
3189 | *aptr++ = '\0'; |
79072805 |
3190 | |
a0d0e21e |
3191 | pat = savepat; |
3192 | items = saveitems; |
3193 | } |
3194 | break; |
3195 | case 'C': |
3196 | case 'c': |
3197 | while (len-- > 0) { |
3198 | fromstr = NEXTFROM; |
3199 | aint = SvIV(fromstr); |
3200 | achar = aint; |
3201 | sv_catpvn(cat, &achar, sizeof(char)); |
3202 | } |
3203 | break; |
3204 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ |
3205 | case 'f': |
3206 | case 'F': |
3207 | while (len-- > 0) { |
3208 | fromstr = NEXTFROM; |
3209 | afloat = (float)SvNV(fromstr); |
3210 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); |
3211 | } |
3212 | break; |
3213 | case 'd': |
3214 | case 'D': |
3215 | while (len-- > 0) { |
3216 | fromstr = NEXTFROM; |
3217 | adouble = (double)SvNV(fromstr); |
3218 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); |
3219 | } |
3220 | break; |
3221 | case 'n': |
3222 | while (len-- > 0) { |
3223 | fromstr = NEXTFROM; |
3224 | ashort = (I16)SvIV(fromstr); |
3225 | #ifdef HAS_HTONS |
3226 | ashort = htons(ashort); |
79072805 |
3227 | #endif |
a0d0e21e |
3228 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3229 | } |
3230 | break; |
3231 | case 'v': |
3232 | while (len-- > 0) { |
3233 | fromstr = NEXTFROM; |
3234 | ashort = (I16)SvIV(fromstr); |
3235 | #ifdef HAS_HTOVS |
3236 | ashort = htovs(ashort); |
79072805 |
3237 | #endif |
a0d0e21e |
3238 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3239 | } |
3240 | break; |
3241 | case 'S': |
3242 | case 's': |
3243 | while (len-- > 0) { |
3244 | fromstr = NEXTFROM; |
3245 | ashort = (I16)SvIV(fromstr); |
3246 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3247 | } |
3248 | break; |
3249 | case 'I': |
3250 | while (len-- > 0) { |
3251 | fromstr = NEXTFROM; |
3252 | auint = U_I(SvNV(fromstr)); |
3253 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
3254 | } |
3255 | break; |
3256 | case 'i': |
3257 | while (len-- > 0) { |
3258 | fromstr = NEXTFROM; |
3259 | aint = SvIV(fromstr); |
3260 | sv_catpvn(cat, (char*)&aint, sizeof(int)); |
3261 | } |
3262 | break; |
3263 | case 'N': |
3264 | while (len-- > 0) { |
3265 | fromstr = NEXTFROM; |
3266 | aulong = U_L(SvNV(fromstr)); |
3267 | #ifdef HAS_HTONL |
3268 | aulong = htonl(aulong); |
79072805 |
3269 | #endif |
a0d0e21e |
3270 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3271 | } |
3272 | break; |
3273 | case 'V': |
3274 | while (len-- > 0) { |
3275 | fromstr = NEXTFROM; |
3276 | aulong = U_L(SvNV(fromstr)); |
3277 | #ifdef HAS_HTOVL |
3278 | aulong = htovl(aulong); |
79072805 |
3279 | #endif |
a0d0e21e |
3280 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3281 | } |
3282 | break; |
3283 | case 'L': |
3284 | while (len-- > 0) { |
3285 | fromstr = NEXTFROM; |
3286 | aulong = U_L(SvNV(fromstr)); |
3287 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3288 | } |
3289 | break; |
3290 | case 'l': |
3291 | while (len-- > 0) { |
3292 | fromstr = NEXTFROM; |
3293 | along = SvIV(fromstr); |
3294 | sv_catpvn(cat, (char*)&along, sizeof(I32)); |
3295 | } |
3296 | break; |
ecfc5424 |
3297 | #ifdef HAS_QUAD |
a0d0e21e |
3298 | case 'Q': |
3299 | while (len-- > 0) { |
3300 | fromstr = NEXTFROM; |
ecfc5424 |
3301 | auquad = (unsigned Quad_t)SvIV(fromstr); |
3302 | sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t)); |
a0d0e21e |
3303 | } |
3304 | break; |
3305 | case 'q': |
3306 | while (len-- > 0) { |
3307 | fromstr = NEXTFROM; |
ecfc5424 |
3308 | aquad = (Quad_t)SvIV(fromstr); |
3309 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); |
a0d0e21e |
3310 | } |
3311 | break; |
ecfc5424 |
3312 | #endif /* HAS_QUAD */ |
a0d0e21e |
3313 | case 'P': |
3314 | len = 1; /* assume SV is correct length */ |
3315 | /* FALL THROUGH */ |
3316 | case 'p': |
3317 | while (len-- > 0) { |
3318 | fromstr = NEXTFROM; |
3319 | aptr = SvPV_force(fromstr, na); /* XXX Error if TEMP? */ |
3320 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
3321 | } |
3322 | break; |
3323 | case 'u': |
3324 | fromstr = NEXTFROM; |
3325 | aptr = SvPV(fromstr, fromlen); |
3326 | SvGROW(cat, fromlen * 4 / 3); |
3327 | if (len <= 1) |
3328 | len = 45; |
3329 | else |
3330 | len = len / 3 * 3; |
3331 | while (fromlen > 0) { |
3332 | I32 todo; |
79072805 |
3333 | |
a0d0e21e |
3334 | if (fromlen > len) |
3335 | todo = len; |
3336 | else |
3337 | todo = fromlen; |
3338 | doencodes(cat, aptr, todo); |
3339 | fromlen -= todo; |
3340 | aptr += todo; |
3341 | } |
3342 | break; |
3343 | } |
3344 | } |
3345 | SvSETMAGIC(cat); |
3346 | SP = ORIGMARK; |
3347 | PUSHs(cat); |
3348 | RETURN; |
79072805 |
3349 | } |
a0d0e21e |
3350 | #undef NEXTFROM |
79072805 |
3351 | |
a0d0e21e |
3352 | PP(pp_split) |
79072805 |
3353 | { |
a0d0e21e |
3354 | dSP; dTARG; |
3355 | AV *ary; |
3356 | register I32 limit = POPi; /* note, negative is forever */ |
3357 | SV *sv = POPs; |
3358 | STRLEN len; |
3359 | register char *s = SvPV(sv, len); |
3360 | char *strend = s + len; |
3361 | register PMOP *pm = (PMOP*)POPs; |
3362 | register SV *dstr; |
3363 | register char *m; |
3364 | I32 iters = 0; |
3365 | I32 maxiters = (strend - s) + 10; |
3366 | I32 i; |
3367 | char *orig; |
3368 | I32 origlimit = limit; |
3369 | I32 realarray = 0; |
3370 | I32 base; |
f12c7020 |
3371 | AV *oldstack = curstack; |
a0d0e21e |
3372 | register REGEXP *rx = pm->op_pmregexp; |
3373 | I32 gimme = GIMME; |
c07a80fd |
3374 | I32 oldsave = savestack_ix; |
79072805 |
3375 | |
a0d0e21e |
3376 | if (!pm || !s) |
3377 | DIE("panic: do_split"); |
3378 | if (pm->op_pmreplroot) |
3379 | ary = GvAVn((GV*)pm->op_pmreplroot); |
3380 | else if (gimme != G_ARRAY) |
3381 | ary = GvAVn(defgv); |
79072805 |
3382 | else |
a0d0e21e |
3383 | ary = Nullav; |
3384 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { |
3385 | realarray = 1; |
3386 | if (!AvREAL(ary)) { |
3387 | AvREAL_on(ary); |
3388 | for (i = AvFILL(ary); i >= 0; i--) |
3389 | AvARRAY(ary)[i] = &sv_undef; /* don't free mere refs */ |
79072805 |
3390 | } |
a0d0e21e |
3391 | av_extend(ary,0); |
3392 | av_clear(ary); |
3393 | /* temporarily switch stacks */ |
f12c7020 |
3394 | SWITCHSTACK(curstack, ary); |
79072805 |
3395 | } |
a0d0e21e |
3396 | base = SP - stack_base; |
3397 | orig = s; |
3398 | if (pm->op_pmflags & PMf_SKIPWHITE) { |
3399 | while (isSPACE(*s)) |
3400 | s++; |
3401 | } |
c07a80fd |
3402 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
3403 | SAVEINT(multiline); |
3404 | multiline = pm->op_pmflags & PMf_MULTILINE; |
3405 | } |
3406 | |
a0d0e21e |
3407 | if (!limit) |
3408 | limit = maxiters + 2; |
3409 | if (pm->op_pmflags & PMf_WHITE) { |
3410 | while (--limit) { |
3411 | /*SUPPRESS 530*/ |
3412 | for (m = s; m < strend && !isSPACE(*m); m++) ; |
3413 | if (m >= strend) |
3414 | break; |
3415 | dstr = NEWSV(30, m-s); |
3416 | sv_setpvn(dstr, s, m-s); |
3417 | if (!realarray) |
3418 | sv_2mortal(dstr); |
3419 | XPUSHs(dstr); |
3420 | /*SUPPRESS 530*/ |
3421 | for (s = m + 1; s < strend && isSPACE(*s); s++) ; |
79072805 |
3422 | } |
3423 | } |
a0d0e21e |
3424 | else if (strEQ("^", rx->precomp)) { |
3425 | while (--limit) { |
3426 | /*SUPPRESS 530*/ |
3427 | for (m = s; m < strend && *m != '\n'; m++) ; |
3428 | m++; |
3429 | if (m >= strend) |
3430 | break; |
3431 | dstr = NEWSV(30, m-s); |
3432 | sv_setpvn(dstr, s, m-s); |
3433 | if (!realarray) |
3434 | sv_2mortal(dstr); |
3435 | XPUSHs(dstr); |
3436 | s = m; |
3437 | } |
3438 | } |
3439 | else if (pm->op_pmshort) { |
3440 | i = SvCUR(pm->op_pmshort); |
3441 | if (i == 1) { |
3442 | I32 fold = (pm->op_pmflags & PMf_FOLD); |
3443 | i = *SvPVX(pm->op_pmshort); |
3444 | if (fold && isUPPER(i)) |
3445 | i = toLOWER(i); |
3446 | while (--limit) { |
3447 | if (fold) { |
3448 | for ( m = s; |
3449 | m < strend && *m != i && |
3450 | (!isUPPER(*m) || toLOWER(*m) != i); |
3451 | m++) /*SUPPRESS 530*/ |
3452 | ; |
3453 | } |
3454 | else /*SUPPRESS 530*/ |
3455 | for (m = s; m < strend && *m != i; m++) ; |
3456 | if (m >= strend) |
3457 | break; |
3458 | dstr = NEWSV(30, m-s); |
3459 | sv_setpvn(dstr, s, m-s); |
3460 | if (!realarray) |
3461 | sv_2mortal(dstr); |
3462 | XPUSHs(dstr); |
3463 | s = m + 1; |
3464 | } |
3465 | } |
3466 | else { |
3467 | #ifndef lint |
3468 | while (s < strend && --limit && |
3469 | (m=fbm_instr((unsigned char*)s, (unsigned char*)strend, |
3470 | pm->op_pmshort)) ) |
79072805 |
3471 | #endif |
a0d0e21e |
3472 | { |
3473 | dstr = NEWSV(31, m-s); |
3474 | sv_setpvn(dstr, s, m-s); |
3475 | if (!realarray) |
3476 | sv_2mortal(dstr); |
3477 | XPUSHs(dstr); |
3478 | s = m + i; |
3479 | } |
463ee0b2 |
3480 | } |
463ee0b2 |
3481 | } |
a0d0e21e |
3482 | else { |
3483 | maxiters += (strend - s) * rx->nparens; |
3484 | while (s < strend && --limit && |
e50aee73 |
3485 | pregexec(rx, s, strend, orig, 1, Nullsv, TRUE) ) { |
a0d0e21e |
3486 | if (rx->subbase |
3487 | && rx->subbase != orig) { |
3488 | m = s; |
3489 | s = orig; |
3490 | orig = rx->subbase; |
3491 | s = orig + (m - s); |
3492 | strend = s + (strend - m); |
3493 | } |
3494 | m = rx->startp[0]; |
3495 | dstr = NEWSV(32, m-s); |
3496 | sv_setpvn(dstr, s, m-s); |
3497 | if (!realarray) |
3498 | sv_2mortal(dstr); |
3499 | XPUSHs(dstr); |
3500 | if (rx->nparens) { |
3501 | for (i = 1; i <= rx->nparens; i++) { |
3502 | s = rx->startp[i]; |
3503 | m = rx->endp[i]; |
748a9306 |
3504 | if (m && s) { |
3505 | dstr = NEWSV(33, m-s); |
3506 | sv_setpvn(dstr, s, m-s); |
3507 | } |
3508 | else |
3509 | dstr = NEWSV(33, 0); |
a0d0e21e |
3510 | if (!realarray) |
3511 | sv_2mortal(dstr); |
3512 | XPUSHs(dstr); |
3513 | } |
3514 | } |
3515 | s = rx->endp[0]; |
3516 | } |
79072805 |
3517 | } |
c07a80fd |
3518 | LEAVE_SCOPE(oldsave); |
a0d0e21e |
3519 | iters = (SP - stack_base) - base; |
3520 | if (iters > maxiters) |
3521 | DIE("Split loop"); |
3522 | |
3523 | /* keep field after final delim? */ |
3524 | if (s < strend || (iters && origlimit)) { |
3525 | dstr = NEWSV(34, strend-s); |
3526 | sv_setpvn(dstr, s, strend-s); |
3527 | if (!realarray) |
3528 | sv_2mortal(dstr); |
3529 | XPUSHs(dstr); |
3530 | iters++; |
79072805 |
3531 | } |
a0d0e21e |
3532 | else if (!origlimit) { |
b1dadf13 |
3533 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) |
a0d0e21e |
3534 | iters--, SP--; |
3535 | } |
3536 | if (realarray) { |
3537 | SWITCHSTACK(ary, oldstack); |
3538 | if (gimme == G_ARRAY) { |
3539 | EXTEND(SP, iters); |
3540 | Copy(AvARRAY(ary), SP + 1, iters, SV*); |
3541 | SP += iters; |
3542 | RETURN; |
3543 | } |
3544 | } |
3545 | else { |
3546 | if (gimme == G_ARRAY) |
3547 | RETURN; |
3548 | } |
3549 | if (iters || !pm->op_pmreplroot) { |
3550 | GETTARGET; |
3551 | PUSHi(iters); |
3552 | RETURN; |
3553 | } |
3554 | RETPUSHUNDEF; |
79072805 |
3555 | } |
85e6fe83 |
3556 | |