Commit | Line | Data |
a0d0e21e |
1 | /* pp.c |
79072805 |
2 | * |
a0d0e21e |
3 | * Copyright (c) 1991-1994, Larry Wall |
79072805 |
4 | * |
a0d0e21e |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. |
79072805 |
7 | * |
a0d0e21e |
8 | */ |
9 | |
10 | /* |
11 | * "It's a big house this, and very peculiar. Always a bit more to discover, |
12 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise |
13 | */ |
79072805 |
14 | |
15 | #include "EXTERN.h" |
16 | #include "perl.h" |
17 | |
a0d0e21e |
18 | static void doencodes _((SV *sv, char *s, I32 len)); |
79072805 |
19 | |
a0d0e21e |
20 | /* variations on pp_null */ |
79072805 |
21 | |
93a17b20 |
22 | PP(pp_stub) |
23 | { |
24 | dSP; |
25 | if (GIMME != G_ARRAY) { |
26 | XPUSHs(&sv_undef); |
27 | } |
28 | RETURN; |
29 | } |
30 | |
79072805 |
31 | PP(pp_scalar) |
32 | { |
33 | return NORMAL; |
34 | } |
35 | |
36 | /* Pushy stuff. */ |
37 | |
93a17b20 |
38 | PP(pp_padav) |
39 | { |
40 | dSP; dTARGET; |
a0d0e21e |
41 | if (op->op_private & OPpLVAL_INTRO) |
8990e307 |
42 | SAVECLEARSV(curpad[op->op_targ]); |
85e6fe83 |
43 | EXTEND(SP, 1); |
a0d0e21e |
44 | if (op->op_flags & OPf_REF) { |
85e6fe83 |
45 | PUSHs(TARG); |
93a17b20 |
46 | RETURN; |
85e6fe83 |
47 | } |
48 | if (GIMME == G_ARRAY) { |
49 | I32 maxarg = AvFILL((AV*)TARG) + 1; |
50 | EXTEND(SP, maxarg); |
51 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); |
52 | SP += maxarg; |
53 | } |
54 | else { |
55 | SV* sv = sv_newmortal(); |
56 | I32 maxarg = AvFILL((AV*)TARG) + 1; |
57 | sv_setiv(sv, maxarg); |
58 | PUSHs(sv); |
59 | } |
60 | RETURN; |
93a17b20 |
61 | } |
62 | |
63 | PP(pp_padhv) |
64 | { |
65 | dSP; dTARGET; |
66 | XPUSHs(TARG); |
a0d0e21e |
67 | if (op->op_private & OPpLVAL_INTRO) |
8990e307 |
68 | SAVECLEARSV(curpad[op->op_targ]); |
a0d0e21e |
69 | if (op->op_flags & OPf_REF) |
93a17b20 |
70 | RETURN; |
85e6fe83 |
71 | if (GIMME == G_ARRAY) { /* array wanted */ |
a0d0e21e |
72 | RETURNOP(do_kv(ARGS)); |
85e6fe83 |
73 | } |
74 | else { |
75 | SV* sv = sv_newmortal(); |
76 | if (HvFILL((HV*)TARG)) { |
77 | sprintf(buf, "%d/%d", HvFILL((HV*)TARG), HvMAX((HV*)TARG)+1); |
78 | sv_setpv(sv, buf); |
79 | } |
80 | else |
81 | sv_setiv(sv, 0); |
82 | SETs(sv); |
83 | RETURN; |
84 | } |
93a17b20 |
85 | } |
86 | |
ed6116ce |
87 | PP(pp_padany) |
88 | { |
89 | DIE("NOT IMPL LINE %d",__LINE__); |
90 | } |
91 | |
79072805 |
92 | /* Translations. */ |
93 | |
94 | PP(pp_rv2gv) |
95 | { |
96 | dSP; dTOPss; |
a0d0e21e |
97 | |
ed6116ce |
98 | if (SvROK(sv)) { |
a0d0e21e |
99 | wasref: |
ed6116ce |
100 | sv = SvRV(sv); |
79072805 |
101 | if (SvTYPE(sv) != SVt_PVGV) |
a0d0e21e |
102 | DIE("Not a GLOB reference"); |
79072805 |
103 | } |
104 | else { |
93a17b20 |
105 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 |
106 | char *sym; |
107 | |
a0d0e21e |
108 | if (SvGMAGICAL(sv)) { |
109 | mg_get(sv); |
110 | if (SvROK(sv)) |
111 | goto wasref; |
112 | } |
113 | if (!SvOK(sv)) { |
114 | if (op->op_flags & OPf_REF || |
115 | op->op_private & HINT_STRICT_REFS) |
116 | DIE(no_usym, "a symbol"); |
117 | RETSETUNDEF; |
118 | } |
748a9306 |
119 | sym = SvPV(sv, na); |
85e6fe83 |
120 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 |
121 | DIE(no_symref, sym, "a symbol"); |
122 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
93a17b20 |
123 | } |
79072805 |
124 | } |
a0d0e21e |
125 | if (op->op_private & OPpLVAL_INTRO) { |
79072805 |
126 | GP *ogp = GvGP(sv); |
127 | |
128 | SSCHECK(3); |
4633a7c4 |
129 | SSPUSHPTR(SvREFCNT_inc(sv)); |
79072805 |
130 | SSPUSHPTR(ogp); |
131 | SSPUSHINT(SAVEt_GP); |
132 | |
a0d0e21e |
133 | if (op->op_flags & OPf_SPECIAL) { |
79072805 |
134 | GvGP(sv)->gp_refcnt++; /* will soon be assigned */ |
a0d0e21e |
135 | GvFLAGS(sv) |= GVf_INTRO; |
136 | } |
79072805 |
137 | else { |
138 | GP *gp; |
139 | Newz(602,gp, 1, GP); |
140 | GvGP(sv) = gp; |
141 | GvREFCNT(sv) = 1; |
142 | GvSV(sv) = NEWSV(72,0); |
143 | GvLINE(sv) = curcop->cop_line; |
144 | GvEGV(sv) = sv; |
145 | } |
146 | } |
147 | SETs(sv); |
148 | RETURN; |
149 | } |
150 | |
79072805 |
151 | PP(pp_rv2sv) |
152 | { |
153 | dSP; dTOPss; |
154 | |
ed6116ce |
155 | if (SvROK(sv)) { |
a0d0e21e |
156 | wasref: |
ed6116ce |
157 | sv = SvRV(sv); |
79072805 |
158 | switch (SvTYPE(sv)) { |
159 | case SVt_PVAV: |
160 | case SVt_PVHV: |
161 | case SVt_PVCV: |
a0d0e21e |
162 | DIE("Not a SCALAR reference"); |
79072805 |
163 | } |
164 | } |
165 | else { |
463ee0b2 |
166 | GV *gv = sv; |
748a9306 |
167 | char *sym; |
168 | |
463ee0b2 |
169 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e |
170 | if (SvGMAGICAL(sv)) { |
171 | mg_get(sv); |
172 | if (SvROK(sv)) |
173 | goto wasref; |
174 | } |
175 | if (!SvOK(sv)) { |
176 | if (op->op_flags & OPf_REF || |
177 | op->op_private & HINT_STRICT_REFS) |
178 | DIE(no_usym, "a SCALAR"); |
179 | RETSETUNDEF; |
180 | } |
748a9306 |
181 | sym = SvPV(sv, na); |
85e6fe83 |
182 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 |
183 | DIE(no_symref, sym, "a SCALAR"); |
184 | gv = (SV*)gv_fetchpv(sym, TRUE, SVt_PV); |
463ee0b2 |
185 | } |
186 | sv = GvSV(gv); |
a0d0e21e |
187 | } |
188 | if (op->op_flags & OPf_MOD) { |
189 | if (op->op_private & OPpLVAL_INTRO) |
190 | sv = save_scalar((GV*)TOPs); |
191 | else if (op->op_private & (OPpDEREF_HV|OPpDEREF_AV)) { |
192 | if (SvGMAGICAL(sv)) |
193 | mg_get(sv); |
194 | if (!SvOK(sv)) { |
4633a7c4 |
195 | if (SvREADONLY(sv)) |
196 | croak(no_modify); |
a0d0e21e |
197 | (void)SvUPGRADE(sv, SVt_RV); |
198 | SvRV(sv) = (op->op_private & OPpDEREF_HV ? |
199 | (SV*)newHV() : (SV*)newAV()); |
85e6fe83 |
200 | SvROK_on(sv); |
a0d0e21e |
201 | SvSETMAGIC(sv); |
85e6fe83 |
202 | } |
93a17b20 |
203 | } |
79072805 |
204 | } |
a0d0e21e |
205 | SETs(sv); |
79072805 |
206 | RETURN; |
207 | } |
208 | |
209 | PP(pp_av2arylen) |
210 | { |
211 | dSP; |
212 | AV *av = (AV*)TOPs; |
213 | SV *sv = AvARYLEN(av); |
214 | if (!sv) { |
215 | AvARYLEN(av) = sv = NEWSV(0,0); |
216 | sv_upgrade(sv, SVt_IV); |
217 | sv_magic(sv, (SV*)av, '#', Nullch, 0); |
218 | } |
219 | SETs(sv); |
220 | RETURN; |
221 | } |
222 | |
a0d0e21e |
223 | PP(pp_pos) |
224 | { |
225 | dSP; dTARGET; dPOPss; |
226 | |
227 | if (op->op_flags & OPf_MOD) { |
228 | LvTYPE(TARG) = '<'; |
229 | LvTARG(TARG) = sv; |
230 | PUSHs(TARG); /* no SvSETMAGIC */ |
231 | RETURN; |
232 | } |
233 | else { |
234 | MAGIC* mg; |
235 | |
236 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
237 | mg = mg_find(sv, 'g'); |
238 | if (mg && mg->mg_len >= 0) { |
239 | PUSHi(mg->mg_len + curcop->cop_arybase); |
240 | RETURN; |
241 | } |
242 | } |
243 | RETPUSHUNDEF; |
244 | } |
245 | } |
246 | |
79072805 |
247 | PP(pp_rv2cv) |
248 | { |
249 | dSP; |
79072805 |
250 | GV *gv; |
251 | HV *stash; |
8990e307 |
252 | |
4633a7c4 |
253 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
254 | /* (But not in defined().) */ |
255 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(op->op_flags & OPf_SPECIAL)); |
79072805 |
256 | |
4633a7c4 |
257 | if (!cv) |
258 | cv = (CV*)&sv_undef; |
79072805 |
259 | SETs((SV*)cv); |
260 | RETURN; |
261 | } |
262 | |
c07a80fd |
263 | PP(pp_prototype) |
264 | { |
265 | dSP; |
266 | CV *cv; |
267 | HV *stash; |
268 | GV *gv; |
269 | SV *ret; |
270 | |
271 | ret = &sv_undef; |
272 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
273 | if (cv && SvPOK(cv)) { |
274 | char *p = SvPVX(cv); |
275 | ret = sv_2mortal(newSVpv(p ? p : "", SvLEN(cv))); |
276 | } |
277 | SETs(ret); |
278 | RETURN; |
279 | } |
280 | |
a0d0e21e |
281 | PP(pp_anoncode) |
282 | { |
283 | dSP; |
748a9306 |
284 | CV* cv = (CV*)cSVOP->op_sv; |
285 | EXTEND(SP,1); |
286 | |
287 | if (SvFLAGS(cv) & SVpcv_CLONE) { |
b355b4e0 |
288 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
748a9306 |
289 | } |
290 | |
291 | PUSHs((SV*)cv); |
a0d0e21e |
292 | RETURN; |
293 | } |
294 | |
295 | PP(pp_srefgen) |
79072805 |
296 | { |
297 | dSP; dTOPss; |
298 | SV* rv; |
8990e307 |
299 | rv = sv_newmortal(); |
ed6116ce |
300 | sv_upgrade(rv, SVt_RV); |
a0d0e21e |
301 | if (SvPADTMP(sv)) |
302 | sv = newSVsv(sv); |
303 | else { |
304 | SvTEMP_off(sv); |
305 | (void)SvREFCNT_inc(sv); |
306 | } |
307 | SvRV(rv) = sv; |
ed6116ce |
308 | SvROK_on(rv); |
79072805 |
309 | SETs(rv); |
310 | RETURN; |
a0d0e21e |
311 | } |
312 | |
313 | PP(pp_refgen) |
314 | { |
315 | dSP; dMARK; |
316 | SV* sv; |
317 | SV* rv; |
318 | if (GIMME != G_ARRAY) { |
319 | MARK[1] = *SP; |
320 | SP = MARK + 1; |
321 | } |
322 | while (MARK < SP) { |
323 | sv = *++MARK; |
324 | rv = sv_newmortal(); |
325 | sv_upgrade(rv, SVt_RV); |
326 | if (SvPADTMP(sv)) |
327 | sv = newSVsv(sv); |
328 | else { |
329 | SvTEMP_off(sv); |
330 | (void)SvREFCNT_inc(sv); |
331 | } |
332 | SvRV(rv) = sv; |
333 | SvROK_on(rv); |
334 | *MARK = rv; |
335 | } |
336 | RETURN; |
79072805 |
337 | } |
338 | |
339 | PP(pp_ref) |
340 | { |
463ee0b2 |
341 | dSP; dTARGET; |
342 | SV *sv; |
79072805 |
343 | char *pv; |
344 | |
a0d0e21e |
345 | sv = POPs; |
346 | if (!sv || !SvROK(sv)) |
4633a7c4 |
347 | RETPUSHNO; |
79072805 |
348 | |
ed6116ce |
349 | sv = SvRV(sv); |
a0d0e21e |
350 | pv = sv_reftype(sv,TRUE); |
463ee0b2 |
351 | PUSHp(pv, strlen(pv)); |
79072805 |
352 | RETURN; |
353 | } |
354 | |
355 | PP(pp_bless) |
356 | { |
463ee0b2 |
357 | dSP; |
463ee0b2 |
358 | HV *stash; |
79072805 |
359 | |
463ee0b2 |
360 | if (MAXARG == 1) |
361 | stash = curcop->cop_stash; |
362 | else |
a0d0e21e |
363 | stash = gv_stashsv(POPs, TRUE); |
364 | |
365 | (void)sv_bless(TOPs, stash); |
79072805 |
366 | RETURN; |
367 | } |
368 | |
a0d0e21e |
369 | /* Pattern matching */ |
79072805 |
370 | |
a0d0e21e |
371 | PP(pp_study) |
79072805 |
372 | { |
c07a80fd |
373 | dSP; dPOPss; |
a0d0e21e |
374 | register unsigned char *s; |
375 | register I32 pos; |
376 | register I32 ch; |
377 | register I32 *sfirst; |
378 | register I32 *snext; |
379 | I32 retval; |
380 | STRLEN len; |
381 | |
c07a80fd |
382 | s = (unsigned char*)(SvPV(sv, len)); |
a0d0e21e |
383 | pos = len; |
c07a80fd |
384 | if (sv == lastscream) |
385 | SvSCREAM_off(sv); |
386 | else { |
387 | if (lastscream) { |
388 | SvSCREAM_off(lastscream); |
389 | SvREFCNT_dec(lastscream); |
390 | } |
391 | lastscream = SvREFCNT_inc(sv); |
392 | } |
a0d0e21e |
393 | if (pos <= 0) { |
394 | retval = 0; |
395 | goto ret; |
396 | } |
397 | if (pos > maxscream) { |
398 | if (maxscream < 0) { |
399 | maxscream = pos + 80; |
400 | New(301, screamfirst, 256, I32); |
401 | New(302, screamnext, maxscream, I32); |
79072805 |
402 | } |
403 | else { |
a0d0e21e |
404 | maxscream = pos + pos / 4; |
405 | Renew(screamnext, maxscream, I32); |
79072805 |
406 | } |
79072805 |
407 | } |
a0d0e21e |
408 | |
409 | sfirst = screamfirst; |
410 | snext = screamnext; |
411 | |
412 | if (!sfirst || !snext) |
413 | DIE("do_study: out of memory"); |
414 | |
415 | for (ch = 256; ch; --ch) |
416 | *sfirst++ = -1; |
417 | sfirst -= 256; |
418 | |
419 | while (--pos >= 0) { |
420 | ch = s[pos]; |
421 | if (sfirst[ch] >= 0) |
422 | snext[pos] = sfirst[ch] - pos; |
423 | else |
424 | snext[pos] = -pos; |
425 | sfirst[ch] = pos; |
426 | |
427 | /* If there were any case insensitive searches, we must assume they |
428 | * all are. This speeds up insensitive searches much more than |
429 | * it slows down sensitive ones. |
430 | */ |
431 | if (sawi) |
432 | sfirst[fold[ch]] = pos; |
79072805 |
433 | } |
434 | |
c07a80fd |
435 | SvSCREAM_on(sv); |
a0d0e21e |
436 | retval = 1; |
437 | ret: |
438 | XPUSHs(sv_2mortal(newSViv((I32)retval))); |
79072805 |
439 | RETURN; |
440 | } |
441 | |
a0d0e21e |
442 | PP(pp_trans) |
79072805 |
443 | { |
a0d0e21e |
444 | dSP; dTARG; |
445 | SV *sv; |
446 | |
447 | if (op->op_flags & OPf_STACKED) |
448 | sv = POPs; |
79072805 |
449 | else { |
a0d0e21e |
450 | sv = GvSV(defgv); |
451 | EXTEND(SP,1); |
79072805 |
452 | } |
adbc6bb1 |
453 | TARG = sv_newmortal(); |
a0d0e21e |
454 | PUSHi(do_trans(sv, op)); |
455 | RETURN; |
79072805 |
456 | } |
457 | |
a0d0e21e |
458 | /* Lvalue operators. */ |
79072805 |
459 | |
a0d0e21e |
460 | PP(pp_schop) |
461 | { |
462 | dSP; dTARGET; |
463 | do_chop(TARG, TOPs); |
464 | SETTARG; |
465 | RETURN; |
79072805 |
466 | } |
467 | |
a0d0e21e |
468 | PP(pp_chop) |
79072805 |
469 | { |
a0d0e21e |
470 | dSP; dMARK; dTARGET; |
471 | while (SP > MARK) |
472 | do_chop(TARG, POPs); |
473 | PUSHTARG; |
474 | RETURN; |
79072805 |
475 | } |
476 | |
a0d0e21e |
477 | PP(pp_schomp) |
79072805 |
478 | { |
a0d0e21e |
479 | dSP; dTARGET; |
480 | SETi(do_chomp(TOPs)); |
481 | RETURN; |
79072805 |
482 | } |
483 | |
a0d0e21e |
484 | PP(pp_chomp) |
79072805 |
485 | { |
a0d0e21e |
486 | dSP; dMARK; dTARGET; |
487 | register I32 count = 0; |
488 | |
489 | while (SP > MARK) |
490 | count += do_chomp(POPs); |
491 | PUSHi(count); |
492 | RETURN; |
79072805 |
493 | } |
494 | |
a0d0e21e |
495 | PP(pp_defined) |
463ee0b2 |
496 | { |
a0d0e21e |
497 | dSP; |
498 | register SV* sv; |
499 | |
500 | sv = POPs; |
501 | if (!sv || !SvANY(sv)) |
502 | RETPUSHNO; |
503 | switch (SvTYPE(sv)) { |
504 | case SVt_PVAV: |
8e07c86e |
505 | if (AvMAX(sv) >= 0 || SvRMAGICAL(sv)) |
a0d0e21e |
506 | RETPUSHYES; |
507 | break; |
508 | case SVt_PVHV: |
8e07c86e |
509 | if (HvARRAY(sv) || SvRMAGICAL(sv)) |
a0d0e21e |
510 | RETPUSHYES; |
511 | break; |
512 | case SVt_PVCV: |
513 | if (CvROOT(sv) || CvXSUB(sv)) |
514 | RETPUSHYES; |
515 | break; |
516 | default: |
517 | if (SvGMAGICAL(sv)) |
518 | mg_get(sv); |
519 | if (SvOK(sv)) |
520 | RETPUSHYES; |
521 | } |
522 | RETPUSHNO; |
463ee0b2 |
523 | } |
524 | |
a0d0e21e |
525 | PP(pp_undef) |
526 | { |
79072805 |
527 | dSP; |
a0d0e21e |
528 | SV *sv; |
529 | |
530 | if (!op->op_private) |
531 | RETPUSHUNDEF; |
79072805 |
532 | |
a0d0e21e |
533 | sv = POPs; |
534 | if (!sv) |
535 | RETPUSHUNDEF; |
85e6fe83 |
536 | |
a0d0e21e |
537 | if (SvTHINKFIRST(sv)) { |
538 | if (SvREADONLY(sv)) |
539 | RETPUSHUNDEF; |
540 | if (SvROK(sv)) |
541 | sv_unref(sv); |
85e6fe83 |
542 | } |
543 | |
a0d0e21e |
544 | switch (SvTYPE(sv)) { |
545 | case SVt_NULL: |
546 | break; |
547 | case SVt_PVAV: |
548 | av_undef((AV*)sv); |
549 | break; |
550 | case SVt_PVHV: |
551 | hv_undef((HV*)sv); |
552 | break; |
553 | case SVt_PVCV: |
554 | cv_undef((CV*)sv); |
555 | sub_generation++; |
556 | break; |
8e07c86e |
557 | case SVt_PVGV: |
558 | if (SvFAKE(sv)) { |
559 | sv_setsv(sv, &sv_undef); |
560 | break; |
561 | } |
a0d0e21e |
562 | default: |
4633a7c4 |
563 | if (SvPOK(sv) && SvLEN(sv)) { |
564 | (void)SvOOK_off(sv); |
565 | Safefree(SvPVX(sv)); |
566 | SvPV_set(sv, Nullch); |
567 | SvLEN_set(sv, 0); |
a0d0e21e |
568 | } |
4633a7c4 |
569 | (void)SvOK_off(sv); |
570 | SvSETMAGIC(sv); |
79072805 |
571 | } |
a0d0e21e |
572 | |
573 | RETPUSHUNDEF; |
79072805 |
574 | } |
575 | |
a0d0e21e |
576 | PP(pp_predec) |
79072805 |
577 | { |
a0d0e21e |
578 | dSP; |
748a9306 |
579 | if (SvIOK(TOPs)) { |
580 | --SvIVX(TOPs); |
581 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
582 | } |
583 | else |
584 | sv_dec(TOPs); |
a0d0e21e |
585 | SvSETMAGIC(TOPs); |
586 | return NORMAL; |
587 | } |
79072805 |
588 | |
a0d0e21e |
589 | PP(pp_postinc) |
590 | { |
591 | dSP; dTARGET; |
592 | sv_setsv(TARG, TOPs); |
748a9306 |
593 | if (SvIOK(TOPs)) { |
594 | ++SvIVX(TOPs); |
595 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
596 | } |
597 | else |
598 | sv_inc(TOPs); |
a0d0e21e |
599 | SvSETMAGIC(TOPs); |
600 | if (!SvOK(TARG)) |
601 | sv_setiv(TARG, 0); |
602 | SETs(TARG); |
603 | return NORMAL; |
604 | } |
79072805 |
605 | |
a0d0e21e |
606 | PP(pp_postdec) |
607 | { |
608 | dSP; dTARGET; |
609 | sv_setsv(TARG, TOPs); |
748a9306 |
610 | if (SvIOK(TOPs)) { |
611 | --SvIVX(TOPs); |
612 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
613 | } |
614 | else |
615 | sv_dec(TOPs); |
a0d0e21e |
616 | SvSETMAGIC(TOPs); |
617 | SETs(TARG); |
618 | return NORMAL; |
619 | } |
79072805 |
620 | |
a0d0e21e |
621 | /* Ordinary operators. */ |
622 | |
623 | PP(pp_pow) |
624 | { |
625 | dSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
626 | { |
627 | dPOPTOPnnrl; |
628 | SETn( pow( left, right) ); |
629 | RETURN; |
93a17b20 |
630 | } |
a0d0e21e |
631 | } |
632 | |
633 | PP(pp_multiply) |
634 | { |
635 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
636 | { |
637 | dPOPTOPnnrl; |
638 | SETn( left * right ); |
639 | RETURN; |
79072805 |
640 | } |
a0d0e21e |
641 | } |
642 | |
643 | PP(pp_divide) |
644 | { |
645 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
646 | { |
647 | dPOPnv; |
648 | if (value == 0.0) |
649 | DIE("Illegal division by zero"); |
650 | #ifdef SLOPPYDIVIDE |
651 | /* insure that 20./5. == 4. */ |
652 | { |
653 | double x; |
654 | I32 k; |
655 | x = POPn; |
656 | if ((double)I_32(x) == x && |
657 | (double)I_32(value) == value && |
658 | (k = I_32(x)/I_32(value))*I_32(value) == I_32(x)) { |
659 | value = k; |
660 | } else { |
661 | value = x/value; |
79072805 |
662 | } |
a0d0e21e |
663 | } |
664 | #else |
665 | value = POPn / value; |
666 | #endif |
667 | PUSHn( value ); |
668 | RETURN; |
79072805 |
669 | } |
a0d0e21e |
670 | } |
671 | |
672 | PP(pp_modulo) |
673 | { |
674 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
675 | { |
676 | register unsigned long tmpulong; |
677 | register long tmplong; |
678 | I32 value; |
679 | |
680 | tmpulong = (unsigned long) POPn; |
681 | if (tmpulong == 0L) |
682 | DIE("Illegal modulus zero"); |
683 | value = TOPn; |
684 | if (value >= 0.0) |
685 | value = (I32)(((unsigned long)value) % tmpulong); |
686 | else { |
687 | tmplong = (long)value; |
688 | value = (I32)(tmpulong - ((-tmplong - 1) % tmpulong)) - 1; |
689 | } |
690 | SETi(value); |
691 | RETURN; |
79072805 |
692 | } |
a0d0e21e |
693 | } |
79072805 |
694 | |
a0d0e21e |
695 | PP(pp_repeat) |
696 | { |
748a9306 |
697 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
698 | { |
a0d0e21e |
699 | register I32 count = POPi; |
700 | if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) { |
701 | dMARK; |
702 | I32 items = SP - MARK; |
703 | I32 max; |
79072805 |
704 | |
a0d0e21e |
705 | max = items * count; |
706 | MEXTEND(MARK, max); |
707 | if (count > 1) { |
708 | while (SP > MARK) { |
709 | if (*SP) |
710 | SvTEMP_off((*SP)); |
711 | SP--; |
79072805 |
712 | } |
a0d0e21e |
713 | MARK++; |
714 | repeatcpy((char*)(MARK + items), (char*)MARK, |
715 | items * sizeof(SV*), count - 1); |
716 | SP += max; |
79072805 |
717 | } |
a0d0e21e |
718 | else if (count <= 0) |
719 | SP -= items; |
79072805 |
720 | } |
a0d0e21e |
721 | else { /* Note: mark already snarfed by pp_list */ |
722 | SV *tmpstr; |
723 | STRLEN len; |
724 | |
725 | tmpstr = POPs; |
726 | if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) { |
727 | if (SvREADONLY(tmpstr) && curcop != &compiling) |
728 | DIE("Can't x= to readonly value"); |
729 | if (SvROK(tmpstr)) |
730 | sv_unref(tmpstr); |
93a17b20 |
731 | } |
a0d0e21e |
732 | SvSetSV(TARG, tmpstr); |
733 | SvPV_force(TARG, len); |
734 | if (count >= 1) { |
735 | SvGROW(TARG, (count * len) + 1); |
736 | if (count > 1) |
737 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
738 | SvCUR(TARG) *= count; |
739 | *SvEND(TARG) = '\0'; |
740 | (void)SvPOK_only(TARG); |
741 | } |
742 | else |
743 | sv_setsv(TARG, &sv_no); |
744 | PUSHTARG; |
79072805 |
745 | } |
a0d0e21e |
746 | RETURN; |
748a9306 |
747 | } |
a0d0e21e |
748 | } |
79072805 |
749 | |
a0d0e21e |
750 | PP(pp_subtract) |
751 | { |
752 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
753 | { |
754 | dPOPTOPnnrl; |
755 | SETn( left - right ); |
756 | RETURN; |
79072805 |
757 | } |
a0d0e21e |
758 | } |
79072805 |
759 | |
a0d0e21e |
760 | PP(pp_left_shift) |
761 | { |
762 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
763 | { |
748a9306 |
764 | dPOPTOPiirl; |
765 | SETi( left << right ); |
766 | RETURN; |
79072805 |
767 | } |
a0d0e21e |
768 | } |
79072805 |
769 | |
a0d0e21e |
770 | PP(pp_right_shift) |
771 | { |
772 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
773 | { |
774 | dPOPTOPiirl; |
775 | SETi( left >> right ); |
776 | RETURN; |
93a17b20 |
777 | } |
79072805 |
778 | } |
779 | |
a0d0e21e |
780 | PP(pp_lt) |
79072805 |
781 | { |
a0d0e21e |
782 | dSP; tryAMAGICbinSET(lt,0); |
783 | { |
784 | dPOPnv; |
785 | SETs((TOPn < value) ? &sv_yes : &sv_no); |
786 | RETURN; |
79072805 |
787 | } |
a0d0e21e |
788 | } |
79072805 |
789 | |
a0d0e21e |
790 | PP(pp_gt) |
791 | { |
792 | dSP; tryAMAGICbinSET(gt,0); |
793 | { |
794 | dPOPnv; |
795 | SETs((TOPn > value) ? &sv_yes : &sv_no); |
796 | RETURN; |
79072805 |
797 | } |
a0d0e21e |
798 | } |
799 | |
800 | PP(pp_le) |
801 | { |
802 | dSP; tryAMAGICbinSET(le,0); |
803 | { |
804 | dPOPnv; |
805 | SETs((TOPn <= value) ? &sv_yes : &sv_no); |
806 | RETURN; |
79072805 |
807 | } |
a0d0e21e |
808 | } |
809 | |
810 | PP(pp_ge) |
811 | { |
812 | dSP; tryAMAGICbinSET(ge,0); |
813 | { |
814 | dPOPnv; |
815 | SETs((TOPn >= value) ? &sv_yes : &sv_no); |
816 | RETURN; |
79072805 |
817 | } |
a0d0e21e |
818 | } |
79072805 |
819 | |
a0d0e21e |
820 | PP(pp_ne) |
821 | { |
822 | dSP; tryAMAGICbinSET(ne,0); |
823 | { |
824 | dPOPnv; |
825 | SETs((TOPn != value) ? &sv_yes : &sv_no); |
826 | RETURN; |
827 | } |
79072805 |
828 | } |
829 | |
a0d0e21e |
830 | PP(pp_ncmp) |
79072805 |
831 | { |
a0d0e21e |
832 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
833 | { |
834 | dPOPTOPnnrl; |
835 | I32 value; |
79072805 |
836 | |
a0d0e21e |
837 | if (left > right) |
838 | value = 1; |
839 | else if (left < right) |
840 | value = -1; |
841 | else |
842 | value = 0; |
843 | SETi(value); |
844 | RETURN; |
79072805 |
845 | } |
a0d0e21e |
846 | } |
79072805 |
847 | |
a0d0e21e |
848 | PP(pp_slt) |
849 | { |
850 | dSP; tryAMAGICbinSET(slt,0); |
851 | { |
852 | dPOPTOPssrl; |
853 | SETs( sv_cmp(left, right) < 0 ? &sv_yes : &sv_no ); |
854 | RETURN; |
855 | } |
79072805 |
856 | } |
857 | |
a0d0e21e |
858 | PP(pp_sgt) |
79072805 |
859 | { |
a0d0e21e |
860 | dSP; tryAMAGICbinSET(sgt,0); |
861 | { |
862 | dPOPTOPssrl; |
863 | SETs( sv_cmp(left, right) > 0 ? &sv_yes : &sv_no ); |
864 | RETURN; |
865 | } |
866 | } |
79072805 |
867 | |
a0d0e21e |
868 | PP(pp_sle) |
869 | { |
870 | dSP; tryAMAGICbinSET(sle,0); |
871 | { |
872 | dPOPTOPssrl; |
873 | SETs( sv_cmp(left, right) <= 0 ? &sv_yes : &sv_no ); |
874 | RETURN; |
79072805 |
875 | } |
79072805 |
876 | } |
877 | |
a0d0e21e |
878 | PP(pp_sge) |
879 | { |
880 | dSP; tryAMAGICbinSET(sge,0); |
881 | { |
882 | dPOPTOPssrl; |
883 | SETs( sv_cmp(left, right) >= 0 ? &sv_yes : &sv_no ); |
884 | RETURN; |
885 | } |
886 | } |
79072805 |
887 | |
a0d0e21e |
888 | PP(pp_sne) |
79072805 |
889 | { |
a0d0e21e |
890 | dSP; tryAMAGICbinSET(sne,0); |
891 | { |
892 | dPOPTOPssrl; |
893 | SETs( !sv_eq(left, right) ? &sv_yes : &sv_no ); |
894 | RETURN; |
463ee0b2 |
895 | } |
79072805 |
896 | } |
897 | |
a0d0e21e |
898 | PP(pp_scmp) |
79072805 |
899 | { |
a0d0e21e |
900 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
901 | { |
902 | dPOPTOPssrl; |
903 | SETi( sv_cmp(left, right) ); |
904 | RETURN; |
905 | } |
906 | } |
79072805 |
907 | |
a0d0e21e |
908 | PP(pp_bit_and) { |
909 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
910 | { |
911 | dPOPTOPssrl; |
4633a7c4 |
912 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
913 | unsigned long value = U_L(SvNV(left)); |
914 | value = value & U_L(SvNV(right)); |
915 | SETn((double)value); |
916 | } |
917 | else { |
918 | do_vop(op->op_type, TARG, left, right); |
919 | SETTARG; |
920 | } |
921 | RETURN; |
922 | } |
923 | } |
79072805 |
924 | |
a0d0e21e |
925 | PP(pp_bit_xor) |
926 | { |
927 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
928 | { |
929 | dPOPTOPssrl; |
4633a7c4 |
930 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
931 | unsigned long value = U_L(SvNV(left)); |
932 | value = value ^ U_L(SvNV(right)); |
933 | SETn((double)value); |
934 | } |
935 | else { |
936 | do_vop(op->op_type, TARG, left, right); |
937 | SETTARG; |
938 | } |
939 | RETURN; |
940 | } |
941 | } |
79072805 |
942 | |
a0d0e21e |
943 | PP(pp_bit_or) |
944 | { |
945 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
946 | { |
947 | dPOPTOPssrl; |
4633a7c4 |
948 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
949 | unsigned long value = U_L(SvNV(left)); |
950 | value = value | U_L(SvNV(right)); |
951 | SETn((double)value); |
952 | } |
953 | else { |
954 | do_vop(op->op_type, TARG, left, right); |
955 | SETTARG; |
956 | } |
957 | RETURN; |
79072805 |
958 | } |
a0d0e21e |
959 | } |
79072805 |
960 | |
a0d0e21e |
961 | PP(pp_negate) |
962 | { |
963 | dSP; dTARGET; tryAMAGICun(neg); |
964 | { |
965 | dTOPss; |
4633a7c4 |
966 | if (SvGMAGICAL(sv)) |
967 | mg_get(sv); |
968 | if (SvNIOKp(sv)) |
a0d0e21e |
969 | SETn(-SvNV(sv)); |
4633a7c4 |
970 | else if (SvPOKp(sv)) { |
a0d0e21e |
971 | STRLEN len; |
972 | char *s = SvPV(sv, len); |
973 | if (isALPHA(*s) || *s == '_') { |
974 | sv_setpvn(TARG, "-", 1); |
975 | sv_catsv(TARG, sv); |
79072805 |
976 | } |
a0d0e21e |
977 | else if (*s == '+' || *s == '-') { |
978 | sv_setsv(TARG, sv); |
979 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; |
79072805 |
980 | } |
981 | else |
a0d0e21e |
982 | sv_setnv(TARG, -SvNV(sv)); |
983 | SETTARG; |
79072805 |
984 | } |
4633a7c4 |
985 | else |
986 | SETn(-SvNV(sv)); |
79072805 |
987 | } |
a0d0e21e |
988 | RETURN; |
79072805 |
989 | } |
990 | |
a0d0e21e |
991 | PP(pp_not) |
79072805 |
992 | { |
a0d0e21e |
993 | #ifdef OVERLOAD |
994 | dSP; tryAMAGICunSET(not); |
995 | #endif /* OVERLOAD */ |
996 | *stack_sp = SvTRUE(*stack_sp) ? &sv_no : &sv_yes; |
997 | return NORMAL; |
79072805 |
998 | } |
999 | |
a0d0e21e |
1000 | PP(pp_complement) |
79072805 |
1001 | { |
a0d0e21e |
1002 | dSP; dTARGET; tryAMAGICun(compl); |
1003 | { |
1004 | dTOPss; |
1005 | register I32 anum; |
1006 | |
4633a7c4 |
1007 | if (SvNIOKp(sv)) { |
748a9306 |
1008 | IV iv = ~SvIV(sv); |
1009 | if (iv < 0) |
1010 | SETn( (double) ~U_L(SvNV(sv)) ); |
1011 | else |
1012 | SETi( iv ); |
a0d0e21e |
1013 | } |
1014 | else { |
1015 | register char *tmps; |
1016 | register long *tmpl; |
1017 | STRLEN len; |
1018 | |
1019 | SvSetSV(TARG, sv); |
1020 | tmps = SvPV_force(TARG, len); |
1021 | anum = len; |
1022 | #ifdef LIBERAL |
1023 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) |
1024 | *tmps = ~*tmps; |
1025 | tmpl = (long*)tmps; |
1026 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) |
1027 | *tmpl = ~*tmpl; |
1028 | tmps = (char*)tmpl; |
1029 | #endif |
1030 | for ( ; anum > 0; anum--, tmps++) |
1031 | *tmps = ~*tmps; |
1032 | |
1033 | SETs(TARG); |
1034 | } |
1035 | RETURN; |
1036 | } |
79072805 |
1037 | } |
1038 | |
a0d0e21e |
1039 | /* integer versions of some of the above */ |
1040 | |
a0d0e21e |
1041 | PP(pp_i_multiply) |
79072805 |
1042 | { |
a0d0e21e |
1043 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
1044 | { |
1045 | dPOPTOPiirl; |
1046 | SETi( left * right ); |
1047 | RETURN; |
1048 | } |
79072805 |
1049 | } |
1050 | |
a0d0e21e |
1051 | PP(pp_i_divide) |
79072805 |
1052 | { |
a0d0e21e |
1053 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
1054 | { |
1055 | dPOPiv; |
1056 | if (value == 0) |
1057 | DIE("Illegal division by zero"); |
1058 | value = POPi / value; |
1059 | PUSHi( value ); |
1060 | RETURN; |
1061 | } |
79072805 |
1062 | } |
1063 | |
a0d0e21e |
1064 | PP(pp_i_modulo) |
79072805 |
1065 | { |
a0d0e21e |
1066 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
79072805 |
1067 | { |
a0d0e21e |
1068 | dPOPTOPiirl; |
1069 | SETi( left % right ); |
1070 | RETURN; |
79072805 |
1071 | } |
79072805 |
1072 | } |
1073 | |
a0d0e21e |
1074 | PP(pp_i_add) |
79072805 |
1075 | { |
a0d0e21e |
1076 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
1077 | { |
1078 | dPOPTOPiirl; |
1079 | SETi( left + right ); |
1080 | RETURN; |
79072805 |
1081 | } |
79072805 |
1082 | } |
1083 | |
a0d0e21e |
1084 | PP(pp_i_subtract) |
79072805 |
1085 | { |
a0d0e21e |
1086 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
1087 | { |
1088 | dPOPTOPiirl; |
1089 | SETi( left - right ); |
1090 | RETURN; |
79072805 |
1091 | } |
79072805 |
1092 | } |
1093 | |
a0d0e21e |
1094 | PP(pp_i_lt) |
79072805 |
1095 | { |
a0d0e21e |
1096 | dSP; tryAMAGICbinSET(lt,0); |
1097 | { |
1098 | dPOPTOPiirl; |
1099 | SETs((left < right) ? &sv_yes : &sv_no); |
1100 | RETURN; |
1101 | } |
79072805 |
1102 | } |
1103 | |
a0d0e21e |
1104 | PP(pp_i_gt) |
79072805 |
1105 | { |
a0d0e21e |
1106 | dSP; tryAMAGICbinSET(gt,0); |
1107 | { |
1108 | dPOPTOPiirl; |
1109 | SETs((left > right) ? &sv_yes : &sv_no); |
1110 | RETURN; |
1111 | } |
79072805 |
1112 | } |
1113 | |
a0d0e21e |
1114 | PP(pp_i_le) |
79072805 |
1115 | { |
a0d0e21e |
1116 | dSP; tryAMAGICbinSET(le,0); |
1117 | { |
1118 | dPOPTOPiirl; |
1119 | SETs((left <= right) ? &sv_yes : &sv_no); |
1120 | RETURN; |
85e6fe83 |
1121 | } |
79072805 |
1122 | } |
1123 | |
a0d0e21e |
1124 | PP(pp_i_ge) |
79072805 |
1125 | { |
a0d0e21e |
1126 | dSP; tryAMAGICbinSET(ge,0); |
1127 | { |
1128 | dPOPTOPiirl; |
1129 | SETs((left >= right) ? &sv_yes : &sv_no); |
1130 | RETURN; |
1131 | } |
79072805 |
1132 | } |
1133 | |
a0d0e21e |
1134 | PP(pp_i_eq) |
79072805 |
1135 | { |
a0d0e21e |
1136 | dSP; tryAMAGICbinSET(eq,0); |
1137 | { |
1138 | dPOPTOPiirl; |
1139 | SETs((left == right) ? &sv_yes : &sv_no); |
1140 | RETURN; |
1141 | } |
79072805 |
1142 | } |
1143 | |
a0d0e21e |
1144 | PP(pp_i_ne) |
79072805 |
1145 | { |
a0d0e21e |
1146 | dSP; tryAMAGICbinSET(ne,0); |
1147 | { |
1148 | dPOPTOPiirl; |
1149 | SETs((left != right) ? &sv_yes : &sv_no); |
1150 | RETURN; |
1151 | } |
79072805 |
1152 | } |
1153 | |
a0d0e21e |
1154 | PP(pp_i_ncmp) |
79072805 |
1155 | { |
a0d0e21e |
1156 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
1157 | { |
1158 | dPOPTOPiirl; |
1159 | I32 value; |
79072805 |
1160 | |
a0d0e21e |
1161 | if (left > right) |
79072805 |
1162 | value = 1; |
a0d0e21e |
1163 | else if (left < right) |
79072805 |
1164 | value = -1; |
a0d0e21e |
1165 | else |
79072805 |
1166 | value = 0; |
a0d0e21e |
1167 | SETi(value); |
1168 | RETURN; |
79072805 |
1169 | } |
85e6fe83 |
1170 | } |
1171 | |
1172 | PP(pp_i_negate) |
1173 | { |
a0d0e21e |
1174 | dSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 |
1175 | SETi(-TOPi); |
1176 | RETURN; |
1177 | } |
1178 | |
79072805 |
1179 | /* High falutin' math. */ |
1180 | |
1181 | PP(pp_atan2) |
1182 | { |
a0d0e21e |
1183 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
1184 | { |
1185 | dPOPTOPnnrl; |
1186 | SETn(atan2(left, right)); |
1187 | RETURN; |
1188 | } |
79072805 |
1189 | } |
1190 | |
1191 | PP(pp_sin) |
1192 | { |
a0d0e21e |
1193 | dSP; dTARGET; tryAMAGICun(sin); |
1194 | { |
1195 | double value; |
1196 | value = POPn; |
1197 | value = sin(value); |
1198 | XPUSHn(value); |
1199 | RETURN; |
1200 | } |
79072805 |
1201 | } |
1202 | |
1203 | PP(pp_cos) |
1204 | { |
a0d0e21e |
1205 | dSP; dTARGET; tryAMAGICun(cos); |
1206 | { |
1207 | double value; |
1208 | value = POPn; |
1209 | value = cos(value); |
1210 | XPUSHn(value); |
1211 | RETURN; |
1212 | } |
79072805 |
1213 | } |
1214 | |
1215 | PP(pp_rand) |
1216 | { |
1217 | dSP; dTARGET; |
1218 | double value; |
1219 | if (MAXARG < 1) |
1220 | value = 1.0; |
1221 | else |
1222 | value = POPn; |
1223 | if (value == 0.0) |
1224 | value = 1.0; |
1225 | #if RANDBITS == 31 |
1226 | value = rand() * value / 2147483648.0; |
1227 | #else |
1228 | #if RANDBITS == 16 |
1229 | value = rand() * value / 65536.0; |
1230 | #else |
1231 | #if RANDBITS == 15 |
1232 | value = rand() * value / 32768.0; |
1233 | #else |
1234 | value = rand() * value / (double)(((unsigned long)1) << RANDBITS); |
1235 | #endif |
1236 | #endif |
1237 | #endif |
1238 | XPUSHn(value); |
1239 | RETURN; |
1240 | } |
1241 | |
1242 | PP(pp_srand) |
1243 | { |
1244 | dSP; |
1245 | I32 anum; |
85e6fe83 |
1246 | Time_t when; |
79072805 |
1247 | |
1248 | if (MAXARG < 1) { |
1249 | (void)time(&when); |
1250 | anum = when; |
1251 | } |
1252 | else |
1253 | anum = POPi; |
1254 | (void)srand(anum); |
1255 | EXTEND(SP, 1); |
1256 | RETPUSHYES; |
1257 | } |
1258 | |
1259 | PP(pp_exp) |
1260 | { |
a0d0e21e |
1261 | dSP; dTARGET; tryAMAGICun(exp); |
1262 | { |
1263 | double value; |
1264 | value = POPn; |
1265 | value = exp(value); |
1266 | XPUSHn(value); |
1267 | RETURN; |
1268 | } |
79072805 |
1269 | } |
1270 | |
1271 | PP(pp_log) |
1272 | { |
a0d0e21e |
1273 | dSP; dTARGET; tryAMAGICun(log); |
1274 | { |
1275 | double value; |
1276 | value = POPn; |
1277 | if (value <= 0.0) |
2304df62 |
1278 | DIE("Can't take log of %g", value); |
a0d0e21e |
1279 | value = log(value); |
1280 | XPUSHn(value); |
1281 | RETURN; |
1282 | } |
79072805 |
1283 | } |
1284 | |
1285 | PP(pp_sqrt) |
1286 | { |
a0d0e21e |
1287 | dSP; dTARGET; tryAMAGICun(sqrt); |
1288 | { |
1289 | double value; |
1290 | value = POPn; |
1291 | if (value < 0.0) |
2304df62 |
1292 | DIE("Can't take sqrt of %g", value); |
a0d0e21e |
1293 | value = sqrt(value); |
1294 | XPUSHn(value); |
1295 | RETURN; |
1296 | } |
79072805 |
1297 | } |
1298 | |
1299 | PP(pp_int) |
1300 | { |
1301 | dSP; dTARGET; |
1302 | double value; |
a0d0e21e |
1303 | value = POPn; |
79072805 |
1304 | if (value >= 0.0) |
1305 | (void)modf(value, &value); |
1306 | else { |
1307 | (void)modf(-value, &value); |
1308 | value = -value; |
1309 | } |
1310 | XPUSHn(value); |
1311 | RETURN; |
1312 | } |
1313 | |
463ee0b2 |
1314 | PP(pp_abs) |
1315 | { |
a0d0e21e |
1316 | dSP; dTARGET; tryAMAGICun(abs); |
1317 | { |
1318 | double value; |
1319 | value = POPn; |
463ee0b2 |
1320 | |
a0d0e21e |
1321 | if (value < 0.0) |
463ee0b2 |
1322 | value = -value; |
1323 | |
a0d0e21e |
1324 | XPUSHn(value); |
1325 | RETURN; |
1326 | } |
463ee0b2 |
1327 | } |
1328 | |
79072805 |
1329 | PP(pp_hex) |
1330 | { |
1331 | dSP; dTARGET; |
1332 | char *tmps; |
1333 | I32 argtype; |
1334 | |
a0d0e21e |
1335 | tmps = POPp; |
79072805 |
1336 | XPUSHi( scan_hex(tmps, 99, &argtype) ); |
1337 | RETURN; |
1338 | } |
1339 | |
1340 | PP(pp_oct) |
1341 | { |
1342 | dSP; dTARGET; |
1343 | I32 value; |
1344 | I32 argtype; |
1345 | char *tmps; |
1346 | |
a0d0e21e |
1347 | tmps = POPp; |
79072805 |
1348 | while (*tmps && (isSPACE(*tmps) || *tmps == '0')) |
1349 | tmps++; |
1350 | if (*tmps == 'x') |
1351 | value = (I32)scan_hex(++tmps, 99, &argtype); |
1352 | else |
1353 | value = (I32)scan_oct(tmps, 99, &argtype); |
1354 | XPUSHi(value); |
1355 | RETURN; |
1356 | } |
1357 | |
1358 | /* String stuff. */ |
1359 | |
1360 | PP(pp_length) |
1361 | { |
1362 | dSP; dTARGET; |
a0d0e21e |
1363 | SETi( sv_len(TOPs) ); |
79072805 |
1364 | RETURN; |
1365 | } |
1366 | |
1367 | PP(pp_substr) |
1368 | { |
1369 | dSP; dTARGET; |
1370 | SV *sv; |
1371 | I32 len; |
463ee0b2 |
1372 | STRLEN curlen; |
79072805 |
1373 | I32 pos; |
1374 | I32 rem; |
a0d0e21e |
1375 | I32 lvalue = op->op_flags & OPf_MOD; |
79072805 |
1376 | char *tmps; |
a0d0e21e |
1377 | I32 arybase = curcop->cop_arybase; |
79072805 |
1378 | |
1379 | if (MAXARG > 2) |
1380 | len = POPi; |
1381 | pos = POPi - arybase; |
1382 | sv = POPs; |
a0d0e21e |
1383 | tmps = SvPV(sv, curlen); |
79072805 |
1384 | if (pos < 0) |
1385 | pos += curlen + arybase; |
2304df62 |
1386 | if (pos < 0 || pos > curlen) { |
a0d0e21e |
1387 | if (dowarn || lvalue) |
2304df62 |
1388 | warn("substr outside of string"); |
1389 | RETPUSHUNDEF; |
1390 | } |
79072805 |
1391 | else { |
1392 | if (MAXARG < 3) |
1393 | len = curlen; |
a0d0e21e |
1394 | else if (len < 0) { |
748a9306 |
1395 | len += curlen - pos; |
a0d0e21e |
1396 | if (len < 0) |
1397 | len = 0; |
1398 | } |
79072805 |
1399 | tmps += pos; |
1400 | rem = curlen - pos; /* rem=how many bytes left*/ |
1401 | if (rem > len) |
1402 | rem = len; |
1403 | sv_setpvn(TARG, tmps, rem); |
1404 | if (lvalue) { /* it's an lvalue! */ |
c07a80fd |
1405 | if (!SvGMAGICAL(sv)) |
1406 | (void)SvPOK_only(sv); |
a0d0e21e |
1407 | if (SvTYPE(TARG) < SVt_PVLV) { |
1408 | sv_upgrade(TARG, SVt_PVLV); |
1409 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); |
ed6116ce |
1410 | } |
a0d0e21e |
1411 | |
79072805 |
1412 | LvTYPE(TARG) = 's'; |
1413 | LvTARG(TARG) = sv; |
a0d0e21e |
1414 | LvTARGOFF(TARG) = pos; |
79072805 |
1415 | LvTARGLEN(TARG) = rem; |
1416 | } |
1417 | } |
1418 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
1419 | RETURN; |
1420 | } |
1421 | |
1422 | PP(pp_vec) |
1423 | { |
1424 | dSP; dTARGET; |
1425 | register I32 size = POPi; |
1426 | register I32 offset = POPi; |
1427 | register SV *src = POPs; |
a0d0e21e |
1428 | I32 lvalue = op->op_flags & OPf_MOD; |
463ee0b2 |
1429 | STRLEN srclen; |
1430 | unsigned char *s = (unsigned char*)SvPV(src, srclen); |
79072805 |
1431 | unsigned long retnum; |
1432 | I32 len; |
1433 | |
1434 | offset *= size; /* turn into bit offset */ |
1435 | len = (offset + size + 7) / 8; |
1436 | if (offset < 0 || size < 1) |
1437 | retnum = 0; |
79072805 |
1438 | else { |
a0d0e21e |
1439 | if (lvalue) { /* it's an lvalue! */ |
1440 | if (SvTYPE(TARG) < SVt_PVLV) { |
1441 | sv_upgrade(TARG, SVt_PVLV); |
1442 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); |
1443 | } |
1444 | |
1445 | LvTYPE(TARG) = 'v'; |
1446 | LvTARG(TARG) = src; |
1447 | LvTARGOFF(TARG) = offset; |
1448 | LvTARGLEN(TARG) = size; |
1449 | } |
93a17b20 |
1450 | if (len > srclen) { |
a0d0e21e |
1451 | if (size <= 8) |
1452 | retnum = 0; |
1453 | else { |
1454 | offset >>= 3; |
748a9306 |
1455 | if (size == 16) { |
1456 | if (offset >= srclen) |
1457 | retnum = 0; |
a0d0e21e |
1458 | else |
748a9306 |
1459 | retnum = (unsigned long) s[offset] << 8; |
1460 | } |
1461 | else if (size == 32) { |
1462 | if (offset >= srclen) |
1463 | retnum = 0; |
1464 | else if (offset + 1 >= srclen) |
a0d0e21e |
1465 | retnum = (unsigned long) s[offset] << 24; |
748a9306 |
1466 | else if (offset + 2 >= srclen) |
1467 | retnum = ((unsigned long) s[offset] << 24) + |
1468 | ((unsigned long) s[offset + 1] << 16); |
1469 | else |
1470 | retnum = ((unsigned long) s[offset] << 24) + |
1471 | ((unsigned long) s[offset + 1] << 16) + |
1472 | (s[offset + 2] << 8); |
a0d0e21e |
1473 | } |
1474 | } |
79072805 |
1475 | } |
a0d0e21e |
1476 | else if (size < 8) |
79072805 |
1477 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
1478 | else { |
1479 | offset >>= 3; |
1480 | if (size == 8) |
1481 | retnum = s[offset]; |
1482 | else if (size == 16) |
1483 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; |
1484 | else if (size == 32) |
1485 | retnum = ((unsigned long) s[offset] << 24) + |
1486 | ((unsigned long) s[offset + 1] << 16) + |
1487 | (s[offset + 2] << 8) + s[offset+3]; |
1488 | } |
79072805 |
1489 | } |
1490 | |
1491 | sv_setiv(TARG, (I32)retnum); |
1492 | PUSHs(TARG); |
1493 | RETURN; |
1494 | } |
1495 | |
1496 | PP(pp_index) |
1497 | { |
1498 | dSP; dTARGET; |
1499 | SV *big; |
1500 | SV *little; |
1501 | I32 offset; |
1502 | I32 retval; |
1503 | char *tmps; |
1504 | char *tmps2; |
463ee0b2 |
1505 | STRLEN biglen; |
a0d0e21e |
1506 | I32 arybase = curcop->cop_arybase; |
79072805 |
1507 | |
1508 | if (MAXARG < 3) |
1509 | offset = 0; |
1510 | else |
1511 | offset = POPi - arybase; |
1512 | little = POPs; |
1513 | big = POPs; |
463ee0b2 |
1514 | tmps = SvPV(big, biglen); |
79072805 |
1515 | if (offset < 0) |
1516 | offset = 0; |
93a17b20 |
1517 | else if (offset > biglen) |
1518 | offset = biglen; |
79072805 |
1519 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
93a17b20 |
1520 | (unsigned char*)tmps + biglen, little))) |
79072805 |
1521 | retval = -1 + arybase; |
1522 | else |
1523 | retval = tmps2 - tmps + arybase; |
1524 | PUSHi(retval); |
1525 | RETURN; |
1526 | } |
1527 | |
1528 | PP(pp_rindex) |
1529 | { |
1530 | dSP; dTARGET; |
1531 | SV *big; |
1532 | SV *little; |
463ee0b2 |
1533 | STRLEN blen; |
1534 | STRLEN llen; |
79072805 |
1535 | SV *offstr; |
1536 | I32 offset; |
1537 | I32 retval; |
1538 | char *tmps; |
1539 | char *tmps2; |
a0d0e21e |
1540 | I32 arybase = curcop->cop_arybase; |
79072805 |
1541 | |
a0d0e21e |
1542 | if (MAXARG >= 3) |
79072805 |
1543 | offstr = POPs; |
1544 | little = POPs; |
1545 | big = POPs; |
463ee0b2 |
1546 | tmps2 = SvPV(little, llen); |
1547 | tmps = SvPV(big, blen); |
79072805 |
1548 | if (MAXARG < 3) |
463ee0b2 |
1549 | offset = blen; |
79072805 |
1550 | else |
463ee0b2 |
1551 | offset = SvIV(offstr) - arybase + llen; |
79072805 |
1552 | if (offset < 0) |
1553 | offset = 0; |
463ee0b2 |
1554 | else if (offset > blen) |
1555 | offset = blen; |
79072805 |
1556 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 |
1557 | tmps2, tmps2 + llen))) |
79072805 |
1558 | retval = -1 + arybase; |
1559 | else |
1560 | retval = tmps2 - tmps + arybase; |
1561 | PUSHi(retval); |
1562 | RETURN; |
1563 | } |
1564 | |
1565 | PP(pp_sprintf) |
1566 | { |
1567 | dSP; dMARK; dORIGMARK; dTARGET; |
1568 | do_sprintf(TARG, SP-MARK, MARK+1); |
1569 | SP = ORIGMARK; |
1570 | PUSHTARG; |
1571 | RETURN; |
1572 | } |
1573 | |
79072805 |
1574 | PP(pp_ord) |
1575 | { |
1576 | dSP; dTARGET; |
1577 | I32 value; |
1578 | char *tmps; |
79072805 |
1579 | |
79072805 |
1580 | #ifndef I286 |
a0d0e21e |
1581 | tmps = POPp; |
79072805 |
1582 | value = (I32) (*tmps & 255); |
1583 | #else |
a0d0e21e |
1584 | I32 anum; |
1585 | tmps = POPp; |
79072805 |
1586 | anum = (I32) *tmps; |
1587 | value = (I32) (anum & 255); |
1588 | #endif |
1589 | XPUSHi(value); |
1590 | RETURN; |
1591 | } |
1592 | |
463ee0b2 |
1593 | PP(pp_chr) |
1594 | { |
1595 | dSP; dTARGET; |
1596 | char *tmps; |
1597 | |
748a9306 |
1598 | (void)SvUPGRADE(TARG,SVt_PV); |
1599 | SvGROW(TARG,2); |
463ee0b2 |
1600 | SvCUR_set(TARG, 1); |
1601 | tmps = SvPVX(TARG); |
748a9306 |
1602 | *tmps++ = POPi; |
1603 | *tmps = '\0'; |
a0d0e21e |
1604 | (void)SvPOK_only(TARG); |
463ee0b2 |
1605 | XPUSHs(TARG); |
1606 | RETURN; |
1607 | } |
1608 | |
79072805 |
1609 | PP(pp_crypt) |
1610 | { |
1611 | dSP; dTARGET; dPOPTOPssrl; |
1612 | #ifdef HAS_CRYPT |
a0d0e21e |
1613 | char *tmps = SvPV(left, na); |
79072805 |
1614 | #ifdef FCRYPT |
a0d0e21e |
1615 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, na))); |
79072805 |
1616 | #else |
a0d0e21e |
1617 | sv_setpv(TARG, crypt(tmps, SvPV(right, na))); |
79072805 |
1618 | #endif |
1619 | #else |
1620 | DIE( |
1621 | "The crypt() function is unimplemented due to excessive paranoia."); |
1622 | #endif |
1623 | SETs(TARG); |
1624 | RETURN; |
1625 | } |
1626 | |
1627 | PP(pp_ucfirst) |
1628 | { |
1629 | dSP; |
1630 | SV *sv = TOPs; |
1631 | register char *s; |
1632 | |
ed6116ce |
1633 | if (!SvPADTMP(sv)) { |
79072805 |
1634 | dTARGET; |
1635 | sv_setsv(TARG, sv); |
1636 | sv = TARG; |
1637 | SETs(sv); |
1638 | } |
a0d0e21e |
1639 | s = SvPV_force(sv, na); |
1640 | if (isLOWER(*s)) |
1641 | *s = toUPPER(*s); |
79072805 |
1642 | |
1643 | RETURN; |
1644 | } |
1645 | |
1646 | PP(pp_lcfirst) |
1647 | { |
1648 | dSP; |
1649 | SV *sv = TOPs; |
1650 | register char *s; |
1651 | |
ed6116ce |
1652 | if (!SvPADTMP(sv)) { |
79072805 |
1653 | dTARGET; |
1654 | sv_setsv(TARG, sv); |
1655 | sv = TARG; |
1656 | SETs(sv); |
1657 | } |
a0d0e21e |
1658 | s = SvPV_force(sv, na); |
1659 | if (isUPPER(*s)) |
1660 | *s = toLOWER(*s); |
79072805 |
1661 | |
1662 | SETs(sv); |
1663 | RETURN; |
1664 | } |
1665 | |
1666 | PP(pp_uc) |
1667 | { |
1668 | dSP; |
1669 | SV *sv = TOPs; |
1670 | register char *s; |
1671 | register char *send; |
463ee0b2 |
1672 | STRLEN len; |
79072805 |
1673 | |
ed6116ce |
1674 | if (!SvPADTMP(sv)) { |
79072805 |
1675 | dTARGET; |
1676 | sv_setsv(TARG, sv); |
1677 | sv = TARG; |
1678 | SETs(sv); |
1679 | } |
a0d0e21e |
1680 | s = SvPV_force(sv, len); |
463ee0b2 |
1681 | send = s + len; |
79072805 |
1682 | while (s < send) { |
a0d0e21e |
1683 | if (isLOWER(*s)) |
1684 | *s = toUPPER(*s); |
79072805 |
1685 | s++; |
1686 | } |
1687 | RETURN; |
1688 | } |
1689 | |
1690 | PP(pp_lc) |
1691 | { |
1692 | dSP; |
1693 | SV *sv = TOPs; |
1694 | register char *s; |
1695 | register char *send; |
463ee0b2 |
1696 | STRLEN len; |
79072805 |
1697 | |
ed6116ce |
1698 | if (!SvPADTMP(sv)) { |
79072805 |
1699 | dTARGET; |
1700 | sv_setsv(TARG, sv); |
1701 | sv = TARG; |
1702 | SETs(sv); |
1703 | } |
a0d0e21e |
1704 | s = SvPV_force(sv, len); |
463ee0b2 |
1705 | send = s + len; |
79072805 |
1706 | while (s < send) { |
a0d0e21e |
1707 | if (isUPPER(*s)) |
1708 | *s = toLOWER(*s); |
79072805 |
1709 | s++; |
1710 | } |
1711 | RETURN; |
1712 | } |
1713 | |
a0d0e21e |
1714 | PP(pp_quotemeta) |
79072805 |
1715 | { |
a0d0e21e |
1716 | dSP; dTARGET; |
1717 | SV *sv = TOPs; |
1718 | STRLEN len; |
1719 | register char *s = SvPV(sv,len); |
1720 | register char *d; |
79072805 |
1721 | |
a0d0e21e |
1722 | if (len) { |
1723 | (void)SvUPGRADE(TARG, SVt_PV); |
c07a80fd |
1724 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e |
1725 | d = SvPVX(TARG); |
1726 | while (len--) { |
1727 | if (!isALNUM(*s)) |
1728 | *d++ = '\\'; |
1729 | *d++ = *s++; |
79072805 |
1730 | } |
a0d0e21e |
1731 | *d = '\0'; |
1732 | SvCUR_set(TARG, d - SvPVX(TARG)); |
1733 | (void)SvPOK_only(TARG); |
79072805 |
1734 | } |
a0d0e21e |
1735 | else |
1736 | sv_setpvn(TARG, s, len); |
1737 | SETs(TARG); |
79072805 |
1738 | RETURN; |
1739 | } |
1740 | |
a0d0e21e |
1741 | /* Arrays. */ |
79072805 |
1742 | |
a0d0e21e |
1743 | PP(pp_aslice) |
79072805 |
1744 | { |
a0d0e21e |
1745 | dSP; dMARK; dORIGMARK; |
1746 | register SV** svp; |
1747 | register AV* av = (AV*)POPs; |
1748 | register I32 lval = op->op_flags & OPf_MOD; |
748a9306 |
1749 | I32 arybase = curcop->cop_arybase; |
1750 | I32 elem; |
79072805 |
1751 | |
a0d0e21e |
1752 | if (SvTYPE(av) == SVt_PVAV) { |
748a9306 |
1753 | if (lval && op->op_private & OPpLVAL_INTRO) { |
1754 | I32 max = -1; |
1755 | for (svp = mark + 1; svp <= sp; svp++) { |
1756 | elem = SvIVx(*svp); |
1757 | if (elem > max) |
1758 | max = elem; |
1759 | } |
1760 | if (max > AvMAX(av)) |
1761 | av_extend(av, max); |
1762 | } |
a0d0e21e |
1763 | while (++MARK <= SP) { |
748a9306 |
1764 | elem = SvIVx(*MARK); |
a0d0e21e |
1765 | |
748a9306 |
1766 | if (elem > 0) |
1767 | elem -= arybase; |
a0d0e21e |
1768 | svp = av_fetch(av, elem, lval); |
1769 | if (lval) { |
1770 | if (!svp || *svp == &sv_undef) |
1771 | DIE(no_aelem, elem); |
1772 | if (op->op_private & OPpLVAL_INTRO) |
1773 | save_svref(svp); |
79072805 |
1774 | } |
a0d0e21e |
1775 | *MARK = svp ? *svp : &sv_undef; |
79072805 |
1776 | } |
1777 | } |
748a9306 |
1778 | if (GIMME != G_ARRAY) { |
a0d0e21e |
1779 | MARK = ORIGMARK; |
1780 | *++MARK = *SP; |
1781 | SP = MARK; |
1782 | } |
79072805 |
1783 | RETURN; |
1784 | } |
1785 | |
1786 | /* Associative arrays. */ |
1787 | |
1788 | PP(pp_each) |
1789 | { |
1790 | dSP; dTARGET; |
1791 | HV *hash = (HV*)POPs; |
c07a80fd |
1792 | HE *entry; |
79072805 |
1793 | I32 i; |
1794 | char *tmps; |
c07a80fd |
1795 | |
1796 | PUTBACK; |
1797 | entry = hv_iternext(hash); /* might clobber stack_sp */ |
1798 | SPAGAIN; |
79072805 |
1799 | |
79072805 |
1800 | EXTEND(SP, 2); |
1801 | if (entry) { |
c07a80fd |
1802 | tmps = hv_iterkey(entry, &i); /* won't clobber stack_sp */ |
8990e307 |
1803 | if (!i) |
1804 | tmps = ""; |
1805 | PUSHs(sv_2mortal(newSVpv(tmps, i))); |
79072805 |
1806 | if (GIMME == G_ARRAY) { |
c07a80fd |
1807 | PUTBACK; |
1808 | sv_setsv(TARG, hv_iterval(hash, entry)); /* might clobber stack_sp */ |
1809 | SPAGAIN; |
8990e307 |
1810 | PUSHs(TARG); |
79072805 |
1811 | } |
79072805 |
1812 | } |
1813 | else if (GIMME == G_SCALAR) |
1814 | RETPUSHUNDEF; |
1815 | |
1816 | RETURN; |
1817 | } |
1818 | |
1819 | PP(pp_values) |
1820 | { |
1821 | return do_kv(ARGS); |
1822 | } |
1823 | |
1824 | PP(pp_keys) |
1825 | { |
1826 | return do_kv(ARGS); |
1827 | } |
1828 | |
1829 | PP(pp_delete) |
1830 | { |
1831 | dSP; |
1832 | SV *sv; |
1833 | SV *tmpsv = POPs; |
1834 | HV *hv = (HV*)POPs; |
1835 | char *tmps; |
463ee0b2 |
1836 | STRLEN len; |
a0d0e21e |
1837 | if (SvTYPE(hv) != SVt_PVHV) { |
1838 | DIE("Not a HASH reference"); |
79072805 |
1839 | } |
463ee0b2 |
1840 | tmps = SvPV(tmpsv, len); |
748a9306 |
1841 | sv = hv_delete(hv, tmps, len, |
1842 | op->op_private & OPpLEAVE_VOID ? G_DISCARD : 0); |
79072805 |
1843 | if (!sv) |
1844 | RETPUSHUNDEF; |
1845 | PUSHs(sv); |
1846 | RETURN; |
1847 | } |
1848 | |
a0d0e21e |
1849 | PP(pp_exists) |
79072805 |
1850 | { |
a0d0e21e |
1851 | dSP; |
1852 | SV *tmpsv = POPs; |
1853 | HV *hv = (HV*)POPs; |
1854 | char *tmps; |
1855 | STRLEN len; |
1856 | if (SvTYPE(hv) != SVt_PVHV) { |
1857 | DIE("Not a HASH reference"); |
1858 | } |
1859 | tmps = SvPV(tmpsv, len); |
1860 | if (hv_exists(hv, tmps, len)) |
1861 | RETPUSHYES; |
1862 | RETPUSHNO; |
1863 | } |
79072805 |
1864 | |
a0d0e21e |
1865 | PP(pp_hslice) |
1866 | { |
1867 | dSP; dMARK; dORIGMARK; |
1868 | register SV **svp; |
1869 | register HV *hv = (HV*)POPs; |
1870 | register I32 lval = op->op_flags & OPf_MOD; |
79072805 |
1871 | |
a0d0e21e |
1872 | if (SvTYPE(hv) == SVt_PVHV) { |
1873 | while (++MARK <= SP) { |
1874 | STRLEN keylen; |
1875 | char *key = SvPV(*MARK, keylen); |
79072805 |
1876 | |
a0d0e21e |
1877 | svp = hv_fetch(hv, key, keylen, lval); |
1878 | if (lval) { |
1879 | if (!svp || *svp == &sv_undef) |
1880 | DIE(no_helem, key); |
1881 | if (op->op_private & OPpLVAL_INTRO) |
1882 | save_svref(svp); |
93a17b20 |
1883 | } |
a0d0e21e |
1884 | *MARK = svp ? *svp : &sv_undef; |
79072805 |
1885 | } |
1886 | } |
a0d0e21e |
1887 | if (GIMME != G_ARRAY) { |
1888 | MARK = ORIGMARK; |
1889 | *++MARK = *SP; |
1890 | SP = MARK; |
79072805 |
1891 | } |
a0d0e21e |
1892 | RETURN; |
1893 | } |
1894 | |
1895 | /* List operators. */ |
1896 | |
1897 | PP(pp_list) |
1898 | { |
1899 | dSP; dMARK; |
1900 | if (GIMME != G_ARRAY) { |
1901 | if (++MARK <= SP) |
1902 | *MARK = *SP; /* unwanted list, return last item */ |
8990e307 |
1903 | else |
a0d0e21e |
1904 | *MARK = &sv_undef; |
1905 | SP = MARK; |
79072805 |
1906 | } |
a0d0e21e |
1907 | RETURN; |
79072805 |
1908 | } |
1909 | |
a0d0e21e |
1910 | PP(pp_lslice) |
79072805 |
1911 | { |
1912 | dSP; |
a0d0e21e |
1913 | SV **lastrelem = stack_sp; |
1914 | SV **lastlelem = stack_base + POPMARK; |
1915 | SV **firstlelem = stack_base + POPMARK + 1; |
1916 | register SV **firstrelem = lastlelem + 1; |
1917 | I32 arybase = curcop->cop_arybase; |
4633a7c4 |
1918 | I32 lval = op->op_flags & OPf_MOD; |
1919 | I32 is_something_there = lval; |
79072805 |
1920 | |
a0d0e21e |
1921 | register I32 max = lastrelem - lastlelem; |
1922 | register SV **lelem; |
1923 | register I32 ix; |
1924 | |
1925 | if (GIMME != G_ARRAY) { |
748a9306 |
1926 | ix = SvIVx(*lastlelem); |
1927 | if (ix < 0) |
1928 | ix += max; |
1929 | else |
1930 | ix -= arybase; |
a0d0e21e |
1931 | if (ix < 0 || ix >= max) |
1932 | *firstlelem = &sv_undef; |
1933 | else |
1934 | *firstlelem = firstrelem[ix]; |
1935 | SP = firstlelem; |
1936 | RETURN; |
1937 | } |
1938 | |
1939 | if (max == 0) { |
1940 | SP = firstlelem - 1; |
1941 | RETURN; |
1942 | } |
1943 | |
1944 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { |
748a9306 |
1945 | ix = SvIVx(*lelem); |
a0d0e21e |
1946 | if (ix < 0) { |
1947 | ix += max; |
1948 | if (ix < 0) |
1949 | *lelem = &sv_undef; |
1950 | else if (!(*lelem = firstrelem[ix])) |
1951 | *lelem = &sv_undef; |
79072805 |
1952 | } |
748a9306 |
1953 | else { |
1954 | ix -= arybase; |
1955 | if (ix >= max || !(*lelem = firstrelem[ix])) |
1956 | *lelem = &sv_undef; |
1957 | } |
4633a7c4 |
1958 | if (!is_something_there && (SvOKp(*lelem) || SvGMAGICAL(*lelem))) |
1959 | is_something_there = TRUE; |
79072805 |
1960 | } |
4633a7c4 |
1961 | if (is_something_there) |
1962 | SP = lastlelem; |
1963 | else |
1964 | SP = firstlelem - 1; |
79072805 |
1965 | RETURN; |
1966 | } |
1967 | |
a0d0e21e |
1968 | PP(pp_anonlist) |
1969 | { |
1970 | dSP; dMARK; |
1971 | I32 items = SP - MARK; |
1972 | SP = MARK; |
1973 | XPUSHs((SV*)sv_2mortal((SV*)av_make(items, MARK+1))); |
1974 | RETURN; |
1975 | } |
1976 | |
1977 | PP(pp_anonhash) |
79072805 |
1978 | { |
1979 | dSP; dMARK; dORIGMARK; |
a0d0e21e |
1980 | STRLEN len; |
1981 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
1982 | |
1983 | while (MARK < SP) { |
1984 | SV* key = *++MARK; |
1985 | char *tmps; |
1986 | SV *val = NEWSV(46, 0); |
1987 | if (MARK < SP) |
1988 | sv_setsv(val, *++MARK); |
1989 | else |
1990 | warn("Odd number of elements in hash list"); |
1991 | tmps = SvPV(key,len); |
1992 | (void)hv_store(hv,tmps,len,val,0); |
79072805 |
1993 | } |
a0d0e21e |
1994 | SP = ORIGMARK; |
1995 | XPUSHs((SV*)hv); |
79072805 |
1996 | RETURN; |
1997 | } |
1998 | |
a0d0e21e |
1999 | PP(pp_splice) |
79072805 |
2000 | { |
a0d0e21e |
2001 | dSP; dMARK; dORIGMARK; |
2002 | register AV *ary = (AV*)*++MARK; |
2003 | register SV **src; |
2004 | register SV **dst; |
2005 | register I32 i; |
2006 | register I32 offset; |
2007 | register I32 length; |
2008 | I32 newlen; |
2009 | I32 after; |
2010 | I32 diff; |
2011 | SV **tmparyval = 0; |
79072805 |
2012 | |
a0d0e21e |
2013 | SP++; |
79072805 |
2014 | |
a0d0e21e |
2015 | if (++MARK < SP) { |
2016 | offset = SvIVx(*MARK); |
2017 | if (offset < 0) |
2018 | offset += AvFILL(ary) + 1; |
2019 | else |
2020 | offset -= curcop->cop_arybase; |
2021 | if (++MARK < SP) { |
2022 | length = SvIVx(*MARK++); |
2023 | if (length < 0) |
2024 | length = 0; |
79072805 |
2025 | } |
2026 | else |
a0d0e21e |
2027 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 |
2028 | } |
a0d0e21e |
2029 | else { |
2030 | offset = 0; |
2031 | length = AvMAX(ary) + 1; |
2032 | } |
2033 | if (offset < 0) { |
2034 | length += offset; |
2035 | offset = 0; |
2036 | if (length < 0) |
2037 | length = 0; |
2038 | } |
2039 | if (offset > AvFILL(ary) + 1) |
2040 | offset = AvFILL(ary) + 1; |
2041 | after = AvFILL(ary) + 1 - (offset + length); |
2042 | if (after < 0) { /* not that much array */ |
2043 | length += after; /* offset+length now in array */ |
2044 | after = 0; |
2045 | if (!AvALLOC(ary)) |
2046 | av_extend(ary, 0); |
2047 | } |
2048 | |
2049 | /* At this point, MARK .. SP-1 is our new LIST */ |
2050 | |
2051 | newlen = SP - MARK; |
2052 | diff = newlen - length; |
2053 | |
2054 | if (diff < 0) { /* shrinking the area */ |
2055 | if (newlen) { |
2056 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ |
2057 | Copy(MARK, tmparyval, newlen, SV*); |
79072805 |
2058 | } |
a0d0e21e |
2059 | |
2060 | MARK = ORIGMARK + 1; |
2061 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
2062 | MEXTEND(MARK, length); |
2063 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); |
2064 | if (AvREAL(ary)) { |
2065 | for (i = length, dst = MARK; i; i--) |
2066 | sv_2mortal(*dst++); /* free them eventualy */ |
2067 | } |
2068 | MARK += length - 1; |
79072805 |
2069 | } |
a0d0e21e |
2070 | else { |
2071 | *MARK = AvARRAY(ary)[offset+length-1]; |
2072 | if (AvREAL(ary)) { |
2073 | sv_2mortal(*MARK); |
2074 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2075 | SvREFCNT_dec(*dst++); /* free them now */ |
79072805 |
2076 | } |
a0d0e21e |
2077 | } |
2078 | AvFILL(ary) += diff; |
2079 | |
2080 | /* pull up or down? */ |
2081 | |
2082 | if (offset < after) { /* easier to pull up */ |
2083 | if (offset) { /* esp. if nothing to pull */ |
2084 | src = &AvARRAY(ary)[offset-1]; |
2085 | dst = src - diff; /* diff is negative */ |
2086 | for (i = offset; i > 0; i--) /* can't trust Copy */ |
2087 | *dst-- = *src--; |
79072805 |
2088 | } |
a0d0e21e |
2089 | dst = AvARRAY(ary); |
2090 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ |
2091 | AvMAX(ary) += diff; |
2092 | } |
2093 | else { |
2094 | if (after) { /* anything to pull down? */ |
2095 | src = AvARRAY(ary) + offset + length; |
2096 | dst = src + diff; /* diff is negative */ |
2097 | Move(src, dst, after, SV*); |
79072805 |
2098 | } |
a0d0e21e |
2099 | dst = &AvARRAY(ary)[AvFILL(ary)+1]; |
2100 | /* avoid later double free */ |
2101 | } |
2102 | i = -diff; |
2103 | while (i) |
2104 | dst[--i] = &sv_undef; |
2105 | |
2106 | if (newlen) { |
2107 | for (src = tmparyval, dst = AvARRAY(ary) + offset; |
2108 | newlen; newlen--) { |
2109 | *dst = NEWSV(46, 0); |
2110 | sv_setsv(*dst++, *src++); |
79072805 |
2111 | } |
a0d0e21e |
2112 | Safefree(tmparyval); |
2113 | } |
2114 | } |
2115 | else { /* no, expanding (or same) */ |
2116 | if (length) { |
2117 | New(452, tmparyval, length, SV*); /* so remember deletion */ |
2118 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); |
2119 | } |
2120 | |
2121 | if (diff > 0) { /* expanding */ |
2122 | |
2123 | /* push up or down? */ |
2124 | |
2125 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { |
2126 | if (offset) { |
2127 | src = AvARRAY(ary); |
2128 | dst = src - diff; |
2129 | Move(src, dst, offset, SV*); |
79072805 |
2130 | } |
a0d0e21e |
2131 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
2132 | AvMAX(ary) += diff; |
2133 | AvFILL(ary) += diff; |
79072805 |
2134 | } |
2135 | else { |
a0d0e21e |
2136 | if (AvFILL(ary) + diff >= AvMAX(ary)) /* oh, well */ |
2137 | av_extend(ary, AvFILL(ary) + diff); |
2138 | AvFILL(ary) += diff; |
2139 | |
2140 | if (after) { |
2141 | dst = AvARRAY(ary) + AvFILL(ary); |
2142 | src = dst - diff; |
2143 | for (i = after; i; i--) { |
2144 | *dst-- = *src--; |
2145 | } |
79072805 |
2146 | } |
2147 | } |
a0d0e21e |
2148 | } |
2149 | |
2150 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { |
2151 | *dst = NEWSV(46, 0); |
2152 | sv_setsv(*dst++, *src++); |
2153 | } |
2154 | MARK = ORIGMARK + 1; |
2155 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
2156 | if (length) { |
2157 | Copy(tmparyval, MARK, length, SV*); |
2158 | if (AvREAL(ary)) { |
2159 | for (i = length, dst = MARK; i; i--) |
2160 | sv_2mortal(*dst++); /* free them eventualy */ |
79072805 |
2161 | } |
a0d0e21e |
2162 | Safefree(tmparyval); |
79072805 |
2163 | } |
a0d0e21e |
2164 | MARK += length - 1; |
2165 | } |
2166 | else if (length--) { |
2167 | *MARK = tmparyval[length]; |
2168 | if (AvREAL(ary)) { |
2169 | sv_2mortal(*MARK); |
2170 | while (length-- > 0) |
2171 | SvREFCNT_dec(tmparyval[length]); |
79072805 |
2172 | } |
a0d0e21e |
2173 | Safefree(tmparyval); |
79072805 |
2174 | } |
a0d0e21e |
2175 | else |
2176 | *MARK = &sv_undef; |
79072805 |
2177 | } |
a0d0e21e |
2178 | SP = MARK; |
79072805 |
2179 | RETURN; |
2180 | } |
2181 | |
a0d0e21e |
2182 | PP(pp_push) |
79072805 |
2183 | { |
2184 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e |
2185 | register AV *ary = (AV*)*++MARK; |
2186 | register SV *sv = &sv_undef; |
79072805 |
2187 | |
a0d0e21e |
2188 | for (++MARK; MARK <= SP; MARK++) { |
2189 | sv = NEWSV(51, 0); |
2190 | if (*MARK) |
2191 | sv_setsv(sv, *MARK); |
2192 | av_push(ary, sv); |
79072805 |
2193 | } |
2194 | SP = ORIGMARK; |
a0d0e21e |
2195 | PUSHi( AvFILL(ary) + 1 ); |
79072805 |
2196 | RETURN; |
2197 | } |
2198 | |
a0d0e21e |
2199 | PP(pp_pop) |
79072805 |
2200 | { |
2201 | dSP; |
a0d0e21e |
2202 | AV *av = (AV*)POPs; |
2203 | SV *sv = av_pop(av); |
2204 | if (sv != &sv_undef && AvREAL(av)) |
2205 | (void)sv_2mortal(sv); |
2206 | PUSHs(sv); |
79072805 |
2207 | RETURN; |
79072805 |
2208 | } |
2209 | |
a0d0e21e |
2210 | PP(pp_shift) |
79072805 |
2211 | { |
2212 | dSP; |
a0d0e21e |
2213 | AV *av = (AV*)POPs; |
2214 | SV *sv = av_shift(av); |
79072805 |
2215 | EXTEND(SP, 1); |
a0d0e21e |
2216 | if (!sv) |
79072805 |
2217 | RETPUSHUNDEF; |
a0d0e21e |
2218 | if (sv != &sv_undef && AvREAL(av)) |
2219 | (void)sv_2mortal(sv); |
2220 | PUSHs(sv); |
79072805 |
2221 | RETURN; |
79072805 |
2222 | } |
2223 | |
a0d0e21e |
2224 | PP(pp_unshift) |
79072805 |
2225 | { |
a0d0e21e |
2226 | dSP; dMARK; dORIGMARK; dTARGET; |
2227 | register AV *ary = (AV*)*++MARK; |
2228 | register SV *sv; |
2229 | register I32 i = 0; |
79072805 |
2230 | |
a0d0e21e |
2231 | av_unshift(ary, SP - MARK); |
2232 | while (MARK < SP) { |
2233 | sv = NEWSV(27, 0); |
2234 | sv_setsv(sv, *++MARK); |
2235 | (void)av_store(ary, i++, sv); |
79072805 |
2236 | } |
79072805 |
2237 | |
a0d0e21e |
2238 | SP = ORIGMARK; |
2239 | PUSHi( AvFILL(ary) + 1 ); |
79072805 |
2240 | RETURN; |
79072805 |
2241 | } |
2242 | |
a0d0e21e |
2243 | PP(pp_reverse) |
79072805 |
2244 | { |
a0d0e21e |
2245 | dSP; dMARK; |
2246 | register SV *tmp; |
2247 | SV **oldsp = SP; |
79072805 |
2248 | |
a0d0e21e |
2249 | if (GIMME == G_ARRAY) { |
2250 | MARK++; |
2251 | while (MARK < SP) { |
2252 | tmp = *MARK; |
2253 | *MARK++ = *SP; |
2254 | *SP-- = tmp; |
2255 | } |
2256 | SP = oldsp; |
79072805 |
2257 | } |
2258 | else { |
a0d0e21e |
2259 | register char *up; |
2260 | register char *down; |
2261 | register I32 tmp; |
2262 | dTARGET; |
2263 | STRLEN len; |
79072805 |
2264 | |
a0d0e21e |
2265 | if (SP - MARK > 1) |
2266 | do_join(TARG, &sv_no, MARK, SP); |
2267 | else |
2268 | sv_setsv(TARG, *SP); |
2269 | up = SvPV_force(TARG, len); |
2270 | if (len > 1) { |
2271 | down = SvPVX(TARG) + len - 1; |
2272 | while (down > up) { |
2273 | tmp = *up; |
2274 | *up++ = *down; |
2275 | *down-- = tmp; |
2276 | } |
2277 | (void)SvPOK_only(TARG); |
79072805 |
2278 | } |
a0d0e21e |
2279 | SP = MARK + 1; |
2280 | SETTARG; |
79072805 |
2281 | } |
a0d0e21e |
2282 | RETURN; |
79072805 |
2283 | } |
2284 | |
a0d0e21e |
2285 | /* Explosives and implosives. */ |
2286 | |
2287 | PP(pp_unpack) |
79072805 |
2288 | { |
2289 | dSP; |
a0d0e21e |
2290 | dPOPPOPssrl; |
ed6116ce |
2291 | SV *sv; |
a0d0e21e |
2292 | STRLEN llen; |
2293 | STRLEN rlen; |
2294 | register char *pat = SvPV(left, llen); |
2295 | register char *s = SvPV(right, rlen); |
2296 | char *strend = s + rlen; |
2297 | char *strbeg = s; |
2298 | register char *patend = pat + llen; |
2299 | I32 datumtype; |
2300 | register I32 len; |
2301 | register I32 bits; |
79072805 |
2302 | |
a0d0e21e |
2303 | /* These must not be in registers: */ |
2304 | I16 ashort; |
2305 | int aint; |
2306 | I32 along; |
ecfc5424 |
2307 | #ifdef HAS_QUAD |
2308 | Quad_t aquad; |
a0d0e21e |
2309 | #endif |
2310 | U16 aushort; |
2311 | unsigned int auint; |
2312 | U32 aulong; |
ecfc5424 |
2313 | #ifdef HAS_QUAD |
2314 | unsigned Quad_t auquad; |
a0d0e21e |
2315 | #endif |
2316 | char *aptr; |
2317 | float afloat; |
2318 | double adouble; |
2319 | I32 checksum = 0; |
2320 | register U32 culong; |
2321 | double cdouble; |
2322 | static char* bitcount = 0; |
79072805 |
2323 | |
a0d0e21e |
2324 | if (GIMME != G_ARRAY) { /* arrange to do first one only */ |
2325 | /*SUPPRESS 530*/ |
2326 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; |
748a9306 |
2327 | if (strchr("aAbBhHP", *patend) || *pat == '%') { |
a0d0e21e |
2328 | patend++; |
2329 | while (isDIGIT(*patend) || *patend == '*') |
2330 | patend++; |
2331 | } |
2332 | else |
2333 | patend++; |
79072805 |
2334 | } |
a0d0e21e |
2335 | while (pat < patend) { |
2336 | reparse: |
2337 | datumtype = *pat++; |
2338 | if (pat >= patend) |
2339 | len = 1; |
2340 | else if (*pat == '*') { |
2341 | len = strend - strbeg; /* long enough */ |
2342 | pat++; |
2343 | } |
2344 | else if (isDIGIT(*pat)) { |
2345 | len = *pat++ - '0'; |
2346 | while (isDIGIT(*pat)) |
2347 | len = (len * 10) + (*pat++ - '0'); |
2348 | } |
2349 | else |
2350 | len = (datumtype != '@'); |
2351 | switch(datumtype) { |
2352 | default: |
2353 | break; |
2354 | case '%': |
2355 | if (len == 1 && pat[-1] != '1') |
2356 | len = 16; |
2357 | checksum = len; |
2358 | culong = 0; |
2359 | cdouble = 0; |
2360 | if (pat < patend) |
2361 | goto reparse; |
2362 | break; |
2363 | case '@': |
2364 | if (len > strend - strbeg) |
2365 | DIE("@ outside of string"); |
2366 | s = strbeg + len; |
2367 | break; |
2368 | case 'X': |
2369 | if (len > s - strbeg) |
2370 | DIE("X outside of string"); |
2371 | s -= len; |
2372 | break; |
2373 | case 'x': |
2374 | if (len > strend - s) |
2375 | DIE("x outside of string"); |
2376 | s += len; |
2377 | break; |
2378 | case 'A': |
2379 | case 'a': |
2380 | if (len > strend - s) |
2381 | len = strend - s; |
2382 | if (checksum) |
2383 | goto uchar_checksum; |
2384 | sv = NEWSV(35, len); |
2385 | sv_setpvn(sv, s, len); |
2386 | s += len; |
2387 | if (datumtype == 'A') { |
2388 | aptr = s; /* borrow register */ |
2389 | s = SvPVX(sv) + len - 1; |
2390 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) |
2391 | s--; |
2392 | *++s = '\0'; |
2393 | SvCUR_set(sv, s - SvPVX(sv)); |
2394 | s = aptr; /* unborrow register */ |
2395 | } |
2396 | XPUSHs(sv_2mortal(sv)); |
2397 | break; |
2398 | case 'B': |
2399 | case 'b': |
2400 | if (pat[-1] == '*' || len > (strend - s) * 8) |
2401 | len = (strend - s) * 8; |
2402 | if (checksum) { |
2403 | if (!bitcount) { |
2404 | Newz(601, bitcount, 256, char); |
2405 | for (bits = 1; bits < 256; bits++) { |
2406 | if (bits & 1) bitcount[bits]++; |
2407 | if (bits & 2) bitcount[bits]++; |
2408 | if (bits & 4) bitcount[bits]++; |
2409 | if (bits & 8) bitcount[bits]++; |
2410 | if (bits & 16) bitcount[bits]++; |
2411 | if (bits & 32) bitcount[bits]++; |
2412 | if (bits & 64) bitcount[bits]++; |
2413 | if (bits & 128) bitcount[bits]++; |
2414 | } |
2415 | } |
2416 | while (len >= 8) { |
2417 | culong += bitcount[*(unsigned char*)s++]; |
2418 | len -= 8; |
2419 | } |
2420 | if (len) { |
2421 | bits = *s; |
2422 | if (datumtype == 'b') { |
2423 | while (len-- > 0) { |
2424 | if (bits & 1) culong++; |
2425 | bits >>= 1; |
2426 | } |
2427 | } |
2428 | else { |
2429 | while (len-- > 0) { |
2430 | if (bits & 128) culong++; |
2431 | bits <<= 1; |
2432 | } |
2433 | } |
2434 | } |
79072805 |
2435 | break; |
2436 | } |
a0d0e21e |
2437 | sv = NEWSV(35, len + 1); |
2438 | SvCUR_set(sv, len); |
2439 | SvPOK_on(sv); |
2440 | aptr = pat; /* borrow register */ |
2441 | pat = SvPVX(sv); |
2442 | if (datumtype == 'b') { |
2443 | aint = len; |
2444 | for (len = 0; len < aint; len++) { |
2445 | if (len & 7) /*SUPPRESS 595*/ |
2446 | bits >>= 1; |
2447 | else |
2448 | bits = *s++; |
2449 | *pat++ = '0' + (bits & 1); |
2450 | } |
2451 | } |
2452 | else { |
2453 | aint = len; |
2454 | for (len = 0; len < aint; len++) { |
2455 | if (len & 7) |
2456 | bits <<= 1; |
2457 | else |
2458 | bits = *s++; |
2459 | *pat++ = '0' + ((bits & 128) != 0); |
2460 | } |
2461 | } |
2462 | *pat = '\0'; |
2463 | pat = aptr; /* unborrow register */ |
2464 | XPUSHs(sv_2mortal(sv)); |
2465 | break; |
2466 | case 'H': |
2467 | case 'h': |
2468 | if (pat[-1] == '*' || len > (strend - s) * 2) |
2469 | len = (strend - s) * 2; |
2470 | sv = NEWSV(35, len + 1); |
2471 | SvCUR_set(sv, len); |
2472 | SvPOK_on(sv); |
2473 | aptr = pat; /* borrow register */ |
2474 | pat = SvPVX(sv); |
2475 | if (datumtype == 'h') { |
2476 | aint = len; |
2477 | for (len = 0; len < aint; len++) { |
2478 | if (len & 1) |
2479 | bits >>= 4; |
2480 | else |
2481 | bits = *s++; |
2482 | *pat++ = hexdigit[bits & 15]; |
2483 | } |
2484 | } |
2485 | else { |
2486 | aint = len; |
2487 | for (len = 0; len < aint; len++) { |
2488 | if (len & 1) |
2489 | bits <<= 4; |
2490 | else |
2491 | bits = *s++; |
2492 | *pat++ = hexdigit[(bits >> 4) & 15]; |
2493 | } |
2494 | } |
2495 | *pat = '\0'; |
2496 | pat = aptr; /* unborrow register */ |
2497 | XPUSHs(sv_2mortal(sv)); |
2498 | break; |
2499 | case 'c': |
2500 | if (len > strend - s) |
2501 | len = strend - s; |
2502 | if (checksum) { |
2503 | while (len-- > 0) { |
2504 | aint = *s++; |
2505 | if (aint >= 128) /* fake up signed chars */ |
2506 | aint -= 256; |
2507 | culong += aint; |
2508 | } |
2509 | } |
2510 | else { |
2511 | EXTEND(SP, len); |
2512 | while (len-- > 0) { |
2513 | aint = *s++; |
2514 | if (aint >= 128) /* fake up signed chars */ |
2515 | aint -= 256; |
2516 | sv = NEWSV(36, 0); |
2517 | sv_setiv(sv, (I32)aint); |
2518 | PUSHs(sv_2mortal(sv)); |
2519 | } |
2520 | } |
2521 | break; |
2522 | case 'C': |
2523 | if (len > strend - s) |
2524 | len = strend - s; |
2525 | if (checksum) { |
2526 | uchar_checksum: |
2527 | while (len-- > 0) { |
2528 | auint = *s++ & 255; |
2529 | culong += auint; |
2530 | } |
2531 | } |
2532 | else { |
2533 | EXTEND(SP, len); |
2534 | while (len-- > 0) { |
2535 | auint = *s++ & 255; |
2536 | sv = NEWSV(37, 0); |
2537 | sv_setiv(sv, (I32)auint); |
2538 | PUSHs(sv_2mortal(sv)); |
2539 | } |
2540 | } |
2541 | break; |
2542 | case 's': |
2543 | along = (strend - s) / sizeof(I16); |
2544 | if (len > along) |
2545 | len = along; |
2546 | if (checksum) { |
2547 | while (len-- > 0) { |
2548 | Copy(s, &ashort, 1, I16); |
2549 | s += sizeof(I16); |
2550 | culong += ashort; |
2551 | } |
2552 | } |
2553 | else { |
2554 | EXTEND(SP, len); |
2555 | while (len-- > 0) { |
2556 | Copy(s, &ashort, 1, I16); |
2557 | s += sizeof(I16); |
2558 | sv = NEWSV(38, 0); |
2559 | sv_setiv(sv, (I32)ashort); |
2560 | PUSHs(sv_2mortal(sv)); |
2561 | } |
2562 | } |
2563 | break; |
2564 | case 'v': |
2565 | case 'n': |
2566 | case 'S': |
2567 | along = (strend - s) / sizeof(U16); |
2568 | if (len > along) |
2569 | len = along; |
2570 | if (checksum) { |
2571 | while (len-- > 0) { |
2572 | Copy(s, &aushort, 1, U16); |
2573 | s += sizeof(U16); |
2574 | #ifdef HAS_NTOHS |
2575 | if (datumtype == 'n') |
2576 | aushort = ntohs(aushort); |
79072805 |
2577 | #endif |
a0d0e21e |
2578 | #ifdef HAS_VTOHS |
2579 | if (datumtype == 'v') |
2580 | aushort = vtohs(aushort); |
79072805 |
2581 | #endif |
a0d0e21e |
2582 | culong += aushort; |
2583 | } |
2584 | } |
2585 | else { |
2586 | EXTEND(SP, len); |
2587 | while (len-- > 0) { |
2588 | Copy(s, &aushort, 1, U16); |
2589 | s += sizeof(U16); |
2590 | sv = NEWSV(39, 0); |
2591 | #ifdef HAS_NTOHS |
2592 | if (datumtype == 'n') |
2593 | aushort = ntohs(aushort); |
79072805 |
2594 | #endif |
a0d0e21e |
2595 | #ifdef HAS_VTOHS |
2596 | if (datumtype == 'v') |
2597 | aushort = vtohs(aushort); |
79072805 |
2598 | #endif |
a0d0e21e |
2599 | sv_setiv(sv, (I32)aushort); |
2600 | PUSHs(sv_2mortal(sv)); |
2601 | } |
2602 | } |
2603 | break; |
2604 | case 'i': |
2605 | along = (strend - s) / sizeof(int); |
2606 | if (len > along) |
2607 | len = along; |
2608 | if (checksum) { |
2609 | while (len-- > 0) { |
2610 | Copy(s, &aint, 1, int); |
2611 | s += sizeof(int); |
2612 | if (checksum > 32) |
2613 | cdouble += (double)aint; |
2614 | else |
2615 | culong += aint; |
2616 | } |
2617 | } |
2618 | else { |
2619 | EXTEND(SP, len); |
2620 | while (len-- > 0) { |
2621 | Copy(s, &aint, 1, int); |
2622 | s += sizeof(int); |
2623 | sv = NEWSV(40, 0); |
2624 | sv_setiv(sv, (I32)aint); |
2625 | PUSHs(sv_2mortal(sv)); |
2626 | } |
2627 | } |
2628 | break; |
2629 | case 'I': |
2630 | along = (strend - s) / sizeof(unsigned int); |
2631 | if (len > along) |
2632 | len = along; |
2633 | if (checksum) { |
2634 | while (len-- > 0) { |
2635 | Copy(s, &auint, 1, unsigned int); |
2636 | s += sizeof(unsigned int); |
2637 | if (checksum > 32) |
2638 | cdouble += (double)auint; |
2639 | else |
2640 | culong += auint; |
2641 | } |
2642 | } |
2643 | else { |
2644 | EXTEND(SP, len); |
2645 | while (len-- > 0) { |
2646 | Copy(s, &auint, 1, unsigned int); |
2647 | s += sizeof(unsigned int); |
2648 | sv = NEWSV(41, 0); |
2649 | sv_setiv(sv, (I32)auint); |
2650 | PUSHs(sv_2mortal(sv)); |
2651 | } |
2652 | } |
2653 | break; |
2654 | case 'l': |
2655 | along = (strend - s) / sizeof(I32); |
2656 | if (len > along) |
2657 | len = along; |
2658 | if (checksum) { |
2659 | while (len-- > 0) { |
2660 | Copy(s, &along, 1, I32); |
2661 | s += sizeof(I32); |
2662 | if (checksum > 32) |
2663 | cdouble += (double)along; |
2664 | else |
2665 | culong += along; |
2666 | } |
2667 | } |
2668 | else { |
2669 | EXTEND(SP, len); |
2670 | while (len-- > 0) { |
2671 | Copy(s, &along, 1, I32); |
2672 | s += sizeof(I32); |
2673 | sv = NEWSV(42, 0); |
2674 | sv_setiv(sv, (I32)along); |
2675 | PUSHs(sv_2mortal(sv)); |
2676 | } |
79072805 |
2677 | } |
a0d0e21e |
2678 | break; |
2679 | case 'V': |
2680 | case 'N': |
2681 | case 'L': |
2682 | along = (strend - s) / sizeof(U32); |
2683 | if (len > along) |
2684 | len = along; |
2685 | if (checksum) { |
2686 | while (len-- > 0) { |
2687 | Copy(s, &aulong, 1, U32); |
2688 | s += sizeof(U32); |
2689 | #ifdef HAS_NTOHL |
2690 | if (datumtype == 'N') |
2691 | aulong = ntohl(aulong); |
79072805 |
2692 | #endif |
a0d0e21e |
2693 | #ifdef HAS_VTOHL |
2694 | if (datumtype == 'V') |
2695 | aulong = vtohl(aulong); |
79072805 |
2696 | #endif |
a0d0e21e |
2697 | if (checksum > 32) |
2698 | cdouble += (double)aulong; |
2699 | else |
2700 | culong += aulong; |
2701 | } |
2702 | } |
2703 | else { |
2704 | EXTEND(SP, len); |
2705 | while (len-- > 0) { |
2706 | Copy(s, &aulong, 1, U32); |
2707 | s += sizeof(U32); |
2708 | sv = NEWSV(43, 0); |
2709 | #ifdef HAS_NTOHL |
2710 | if (datumtype == 'N') |
2711 | aulong = ntohl(aulong); |
79072805 |
2712 | #endif |
a0d0e21e |
2713 | #ifdef HAS_VTOHL |
2714 | if (datumtype == 'V') |
2715 | aulong = vtohl(aulong); |
79072805 |
2716 | #endif |
a0d0e21e |
2717 | sv_setnv(sv, (double)aulong); |
2718 | PUSHs(sv_2mortal(sv)); |
2719 | } |
2720 | } |
2721 | break; |
2722 | case 'p': |
2723 | along = (strend - s) / sizeof(char*); |
2724 | if (len > along) |
2725 | len = along; |
2726 | EXTEND(SP, len); |
2727 | while (len-- > 0) { |
2728 | if (sizeof(char*) > strend - s) |
2729 | break; |
2730 | else { |
2731 | Copy(s, &aptr, 1, char*); |
2732 | s += sizeof(char*); |
2733 | } |
2734 | sv = NEWSV(44, 0); |
2735 | if (aptr) |
2736 | sv_setpv(sv, aptr); |
2737 | PUSHs(sv_2mortal(sv)); |
2738 | } |
2739 | break; |
2740 | case 'P': |
2741 | EXTEND(SP, 1); |
2742 | if (sizeof(char*) > strend - s) |
2743 | break; |
2744 | else { |
2745 | Copy(s, &aptr, 1, char*); |
2746 | s += sizeof(char*); |
2747 | } |
2748 | sv = NEWSV(44, 0); |
2749 | if (aptr) |
2750 | sv_setpvn(sv, aptr, len); |
2751 | PUSHs(sv_2mortal(sv)); |
2752 | break; |
ecfc5424 |
2753 | #ifdef HAS_QUAD |
a0d0e21e |
2754 | case 'q': |
2755 | EXTEND(SP, len); |
2756 | while (len-- > 0) { |
ecfc5424 |
2757 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e |
2758 | aquad = 0; |
2759 | else { |
ecfc5424 |
2760 | Copy(s, &aquad, 1, Quad_t); |
2761 | s += sizeof(Quad_t); |
a0d0e21e |
2762 | } |
2763 | sv = NEWSV(42, 0); |
2764 | sv_setiv(sv, (IV)aquad); |
2765 | PUSHs(sv_2mortal(sv)); |
2766 | } |
2767 | break; |
2768 | case 'Q': |
2769 | EXTEND(SP, len); |
2770 | while (len-- > 0) { |
ecfc5424 |
2771 | if (s + sizeof(unsigned Quad_t) > strend) |
a0d0e21e |
2772 | auquad = 0; |
2773 | else { |
ecfc5424 |
2774 | Copy(s, &auquad, 1, unsigned Quad_t); |
2775 | s += sizeof(unsigned Quad_t); |
a0d0e21e |
2776 | } |
2777 | sv = NEWSV(43, 0); |
2778 | sv_setiv(sv, (IV)auquad); |
2779 | PUSHs(sv_2mortal(sv)); |
2780 | } |
2781 | break; |
79072805 |
2782 | #endif |
a0d0e21e |
2783 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
2784 | case 'f': |
2785 | case 'F': |
2786 | along = (strend - s) / sizeof(float); |
2787 | if (len > along) |
2788 | len = along; |
2789 | if (checksum) { |
2790 | while (len-- > 0) { |
2791 | Copy(s, &afloat, 1, float); |
2792 | s += sizeof(float); |
2793 | cdouble += afloat; |
2794 | } |
2795 | } |
2796 | else { |
2797 | EXTEND(SP, len); |
2798 | while (len-- > 0) { |
2799 | Copy(s, &afloat, 1, float); |
2800 | s += sizeof(float); |
2801 | sv = NEWSV(47, 0); |
2802 | sv_setnv(sv, (double)afloat); |
2803 | PUSHs(sv_2mortal(sv)); |
2804 | } |
2805 | } |
2806 | break; |
2807 | case 'd': |
2808 | case 'D': |
2809 | along = (strend - s) / sizeof(double); |
2810 | if (len > along) |
2811 | len = along; |
2812 | if (checksum) { |
2813 | while (len-- > 0) { |
2814 | Copy(s, &adouble, 1, double); |
2815 | s += sizeof(double); |
2816 | cdouble += adouble; |
2817 | } |
2818 | } |
2819 | else { |
2820 | EXTEND(SP, len); |
2821 | while (len-- > 0) { |
2822 | Copy(s, &adouble, 1, double); |
2823 | s += sizeof(double); |
2824 | sv = NEWSV(48, 0); |
2825 | sv_setnv(sv, (double)adouble); |
2826 | PUSHs(sv_2mortal(sv)); |
2827 | } |
2828 | } |
2829 | break; |
2830 | case 'u': |
2831 | along = (strend - s) * 3 / 4; |
2832 | sv = NEWSV(42, along); |
2833 | while (s < strend && *s > ' ' && *s < 'a') { |
2834 | I32 a, b, c, d; |
2835 | char hunk[4]; |
79072805 |
2836 | |
a0d0e21e |
2837 | hunk[3] = '\0'; |
2838 | len = (*s++ - ' ') & 077; |
2839 | while (len > 0) { |
2840 | if (s < strend && *s >= ' ') |
2841 | a = (*s++ - ' ') & 077; |
2842 | else |
2843 | a = 0; |
2844 | if (s < strend && *s >= ' ') |
2845 | b = (*s++ - ' ') & 077; |
2846 | else |
2847 | b = 0; |
2848 | if (s < strend && *s >= ' ') |
2849 | c = (*s++ - ' ') & 077; |
2850 | else |
2851 | c = 0; |
2852 | if (s < strend && *s >= ' ') |
2853 | d = (*s++ - ' ') & 077; |
2854 | else |
2855 | d = 0; |
2856 | hunk[0] = a << 2 | b >> 4; |
2857 | hunk[1] = b << 4 | c >> 2; |
2858 | hunk[2] = c << 6 | d; |
2859 | sv_catpvn(sv, hunk, len > 3 ? 3 : len); |
2860 | len -= 3; |
2861 | } |
2862 | if (*s == '\n') |
2863 | s++; |
2864 | else if (s[1] == '\n') /* possible checksum byte */ |
2865 | s += 2; |
79072805 |
2866 | } |
a0d0e21e |
2867 | XPUSHs(sv_2mortal(sv)); |
2868 | break; |
79072805 |
2869 | } |
a0d0e21e |
2870 | if (checksum) { |
2871 | sv = NEWSV(42, 0); |
2872 | if (strchr("fFdD", datumtype) || |
2873 | (checksum > 32 && strchr("iIlLN", datumtype)) ) { |
2874 | double trouble; |
79072805 |
2875 | |
a0d0e21e |
2876 | adouble = 1.0; |
2877 | while (checksum >= 16) { |
2878 | checksum -= 16; |
2879 | adouble *= 65536.0; |
2880 | } |
2881 | while (checksum >= 4) { |
2882 | checksum -= 4; |
2883 | adouble *= 16.0; |
2884 | } |
2885 | while (checksum--) |
2886 | adouble *= 2.0; |
2887 | along = (1 << checksum) - 1; |
2888 | while (cdouble < 0.0) |
2889 | cdouble += adouble; |
2890 | cdouble = modf(cdouble / adouble, &trouble) * adouble; |
2891 | sv_setnv(sv, cdouble); |
2892 | } |
2893 | else { |
2894 | if (checksum < 32) { |
2895 | along = (1 << checksum) - 1; |
2896 | culong &= (U32)along; |
2897 | } |
2898 | sv_setnv(sv, (double)culong); |
2899 | } |
2900 | XPUSHs(sv_2mortal(sv)); |
2901 | checksum = 0; |
79072805 |
2902 | } |
79072805 |
2903 | } |
79072805 |
2904 | RETURN; |
79072805 |
2905 | } |
2906 | |
a0d0e21e |
2907 | static void |
2908 | doencodes(sv, s, len) |
2909 | register SV *sv; |
2910 | register char *s; |
2911 | register I32 len; |
79072805 |
2912 | { |
a0d0e21e |
2913 | char hunk[5]; |
79072805 |
2914 | |
a0d0e21e |
2915 | *hunk = len + ' '; |
2916 | sv_catpvn(sv, hunk, 1); |
2917 | hunk[4] = '\0'; |
2918 | while (len > 0) { |
2919 | hunk[0] = ' ' + (077 & (*s >> 2)); |
2920 | hunk[1] = ' ' + (077 & ((*s << 4) & 060 | (s[1] >> 4) & 017)); |
2921 | hunk[2] = ' ' + (077 & ((s[1] << 2) & 074 | (s[2] >> 6) & 03)); |
2922 | hunk[3] = ' ' + (077 & (s[2] & 077)); |
2923 | sv_catpvn(sv, hunk, 4); |
2924 | s += 3; |
2925 | len -= 3; |
2926 | } |
2927 | for (s = SvPVX(sv); *s; s++) { |
2928 | if (*s == ' ') |
2929 | *s = '`'; |
2930 | } |
2931 | sv_catpvn(sv, "\n", 1); |
79072805 |
2932 | } |
2933 | |
a0d0e21e |
2934 | PP(pp_pack) |
79072805 |
2935 | { |
a0d0e21e |
2936 | dSP; dMARK; dORIGMARK; dTARGET; |
2937 | register SV *cat = TARG; |
2938 | register I32 items; |
2939 | STRLEN fromlen; |
2940 | register char *pat = SvPVx(*++MARK, fromlen); |
2941 | register char *patend = pat + fromlen; |
2942 | register I32 len; |
2943 | I32 datumtype; |
2944 | SV *fromstr; |
2945 | /*SUPPRESS 442*/ |
2946 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; |
2947 | static char *space10 = " "; |
79072805 |
2948 | |
a0d0e21e |
2949 | /* These must not be in registers: */ |
2950 | char achar; |
2951 | I16 ashort; |
2952 | int aint; |
2953 | unsigned int auint; |
2954 | I32 along; |
2955 | U32 aulong; |
ecfc5424 |
2956 | #ifdef HAS_QUAD |
2957 | Quad_t aquad; |
2958 | unsigned Quad_t auquad; |
79072805 |
2959 | #endif |
a0d0e21e |
2960 | char *aptr; |
2961 | float afloat; |
2962 | double adouble; |
79072805 |
2963 | |
a0d0e21e |
2964 | items = SP - MARK; |
2965 | MARK++; |
2966 | sv_setpvn(cat, "", 0); |
2967 | while (pat < patend) { |
2968 | #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no) |
2969 | datumtype = *pat++; |
2970 | if (*pat == '*') { |
2971 | len = strchr("@Xxu", datumtype) ? 0 : items; |
2972 | pat++; |
2973 | } |
2974 | else if (isDIGIT(*pat)) { |
2975 | len = *pat++ - '0'; |
2976 | while (isDIGIT(*pat)) |
2977 | len = (len * 10) + (*pat++ - '0'); |
2978 | } |
2979 | else |
2980 | len = 1; |
2981 | switch(datumtype) { |
2982 | default: |
2983 | break; |
2984 | case '%': |
2985 | DIE("%% may only be used in unpack"); |
2986 | case '@': |
2987 | len -= SvCUR(cat); |
2988 | if (len > 0) |
2989 | goto grow; |
2990 | len = -len; |
2991 | if (len > 0) |
2992 | goto shrink; |
2993 | break; |
2994 | case 'X': |
2995 | shrink: |
2996 | if (SvCUR(cat) < len) |
2997 | DIE("X outside of string"); |
2998 | SvCUR(cat) -= len; |
2999 | *SvEND(cat) = '\0'; |
3000 | break; |
3001 | case 'x': |
3002 | grow: |
3003 | while (len >= 10) { |
3004 | sv_catpvn(cat, null10, 10); |
3005 | len -= 10; |
3006 | } |
3007 | sv_catpvn(cat, null10, len); |
3008 | break; |
3009 | case 'A': |
3010 | case 'a': |
3011 | fromstr = NEXTFROM; |
3012 | aptr = SvPV(fromstr, fromlen); |
3013 | if (pat[-1] == '*') |
3014 | len = fromlen; |
3015 | if (fromlen > len) |
3016 | sv_catpvn(cat, aptr, len); |
3017 | else { |
3018 | sv_catpvn(cat, aptr, fromlen); |
3019 | len -= fromlen; |
3020 | if (datumtype == 'A') { |
3021 | while (len >= 10) { |
3022 | sv_catpvn(cat, space10, 10); |
3023 | len -= 10; |
3024 | } |
3025 | sv_catpvn(cat, space10, len); |
3026 | } |
3027 | else { |
3028 | while (len >= 10) { |
3029 | sv_catpvn(cat, null10, 10); |
3030 | len -= 10; |
3031 | } |
3032 | sv_catpvn(cat, null10, len); |
3033 | } |
3034 | } |
3035 | break; |
3036 | case 'B': |
3037 | case 'b': |
3038 | { |
3039 | char *savepat = pat; |
3040 | I32 saveitems; |
79072805 |
3041 | |
a0d0e21e |
3042 | fromstr = NEXTFROM; |
3043 | saveitems = items; |
3044 | aptr = SvPV(fromstr, fromlen); |
3045 | if (pat[-1] == '*') |
3046 | len = fromlen; |
3047 | pat = aptr; |
3048 | aint = SvCUR(cat); |
3049 | SvCUR(cat) += (len+7)/8; |
3050 | SvGROW(cat, SvCUR(cat) + 1); |
3051 | aptr = SvPVX(cat) + aint; |
3052 | if (len > fromlen) |
3053 | len = fromlen; |
3054 | aint = len; |
3055 | items = 0; |
3056 | if (datumtype == 'B') { |
3057 | for (len = 0; len++ < aint;) { |
3058 | items |= *pat++ & 1; |
3059 | if (len & 7) |
3060 | items <<= 1; |
3061 | else { |
3062 | *aptr++ = items & 0xff; |
3063 | items = 0; |
3064 | } |
3065 | } |
3066 | } |
3067 | else { |
3068 | for (len = 0; len++ < aint;) { |
3069 | if (*pat++ & 1) |
3070 | items |= 128; |
3071 | if (len & 7) |
3072 | items >>= 1; |
3073 | else { |
3074 | *aptr++ = items & 0xff; |
3075 | items = 0; |
3076 | } |
3077 | } |
3078 | } |
3079 | if (aint & 7) { |
3080 | if (datumtype == 'B') |
3081 | items <<= 7 - (aint & 7); |
3082 | else |
3083 | items >>= 7 - (aint & 7); |
3084 | *aptr++ = items & 0xff; |
3085 | } |
3086 | pat = SvPVX(cat) + SvCUR(cat); |
3087 | while (aptr <= pat) |
3088 | *aptr++ = '\0'; |
79072805 |
3089 | |
a0d0e21e |
3090 | pat = savepat; |
3091 | items = saveitems; |
3092 | } |
3093 | break; |
3094 | case 'H': |
3095 | case 'h': |
3096 | { |
3097 | char *savepat = pat; |
3098 | I32 saveitems; |
79072805 |
3099 | |
a0d0e21e |
3100 | fromstr = NEXTFROM; |
3101 | saveitems = items; |
3102 | aptr = SvPV(fromstr, fromlen); |
3103 | if (pat[-1] == '*') |
3104 | len = fromlen; |
3105 | pat = aptr; |
3106 | aint = SvCUR(cat); |
3107 | SvCUR(cat) += (len+1)/2; |
3108 | SvGROW(cat, SvCUR(cat) + 1); |
3109 | aptr = SvPVX(cat) + aint; |
3110 | if (len > fromlen) |
3111 | len = fromlen; |
3112 | aint = len; |
3113 | items = 0; |
3114 | if (datumtype == 'H') { |
3115 | for (len = 0; len++ < aint;) { |
3116 | if (isALPHA(*pat)) |
3117 | items |= ((*pat++ & 15) + 9) & 15; |
3118 | else |
3119 | items |= *pat++ & 15; |
3120 | if (len & 1) |
3121 | items <<= 4; |
3122 | else { |
3123 | *aptr++ = items & 0xff; |
3124 | items = 0; |
3125 | } |
3126 | } |
3127 | } |
3128 | else { |
3129 | for (len = 0; len++ < aint;) { |
3130 | if (isALPHA(*pat)) |
3131 | items |= (((*pat++ & 15) + 9) & 15) << 4; |
3132 | else |
3133 | items |= (*pat++ & 15) << 4; |
3134 | if (len & 1) |
3135 | items >>= 4; |
3136 | else { |
3137 | *aptr++ = items & 0xff; |
3138 | items = 0; |
3139 | } |
3140 | } |
3141 | } |
3142 | if (aint & 1) |
3143 | *aptr++ = items & 0xff; |
3144 | pat = SvPVX(cat) + SvCUR(cat); |
3145 | while (aptr <= pat) |
3146 | *aptr++ = '\0'; |
79072805 |
3147 | |
a0d0e21e |
3148 | pat = savepat; |
3149 | items = saveitems; |
3150 | } |
3151 | break; |
3152 | case 'C': |
3153 | case 'c': |
3154 | while (len-- > 0) { |
3155 | fromstr = NEXTFROM; |
3156 | aint = SvIV(fromstr); |
3157 | achar = aint; |
3158 | sv_catpvn(cat, &achar, sizeof(char)); |
3159 | } |
3160 | break; |
3161 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ |
3162 | case 'f': |
3163 | case 'F': |
3164 | while (len-- > 0) { |
3165 | fromstr = NEXTFROM; |
3166 | afloat = (float)SvNV(fromstr); |
3167 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); |
3168 | } |
3169 | break; |
3170 | case 'd': |
3171 | case 'D': |
3172 | while (len-- > 0) { |
3173 | fromstr = NEXTFROM; |
3174 | adouble = (double)SvNV(fromstr); |
3175 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); |
3176 | } |
3177 | break; |
3178 | case 'n': |
3179 | while (len-- > 0) { |
3180 | fromstr = NEXTFROM; |
3181 | ashort = (I16)SvIV(fromstr); |
3182 | #ifdef HAS_HTONS |
3183 | ashort = htons(ashort); |
79072805 |
3184 | #endif |
a0d0e21e |
3185 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3186 | } |
3187 | break; |
3188 | case 'v': |
3189 | while (len-- > 0) { |
3190 | fromstr = NEXTFROM; |
3191 | ashort = (I16)SvIV(fromstr); |
3192 | #ifdef HAS_HTOVS |
3193 | ashort = htovs(ashort); |
79072805 |
3194 | #endif |
a0d0e21e |
3195 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3196 | } |
3197 | break; |
3198 | case 'S': |
3199 | case 's': |
3200 | while (len-- > 0) { |
3201 | fromstr = NEXTFROM; |
3202 | ashort = (I16)SvIV(fromstr); |
3203 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3204 | } |
3205 | break; |
3206 | case 'I': |
3207 | while (len-- > 0) { |
3208 | fromstr = NEXTFROM; |
3209 | auint = U_I(SvNV(fromstr)); |
3210 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
3211 | } |
3212 | break; |
3213 | case 'i': |
3214 | while (len-- > 0) { |
3215 | fromstr = NEXTFROM; |
3216 | aint = SvIV(fromstr); |
3217 | sv_catpvn(cat, (char*)&aint, sizeof(int)); |
3218 | } |
3219 | break; |
3220 | case 'N': |
3221 | while (len-- > 0) { |
3222 | fromstr = NEXTFROM; |
3223 | aulong = U_L(SvNV(fromstr)); |
3224 | #ifdef HAS_HTONL |
3225 | aulong = htonl(aulong); |
79072805 |
3226 | #endif |
a0d0e21e |
3227 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3228 | } |
3229 | break; |
3230 | case 'V': |
3231 | while (len-- > 0) { |
3232 | fromstr = NEXTFROM; |
3233 | aulong = U_L(SvNV(fromstr)); |
3234 | #ifdef HAS_HTOVL |
3235 | aulong = htovl(aulong); |
79072805 |
3236 | #endif |
a0d0e21e |
3237 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3238 | } |
3239 | break; |
3240 | case 'L': |
3241 | while (len-- > 0) { |
3242 | fromstr = NEXTFROM; |
3243 | aulong = U_L(SvNV(fromstr)); |
3244 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3245 | } |
3246 | break; |
3247 | case 'l': |
3248 | while (len-- > 0) { |
3249 | fromstr = NEXTFROM; |
3250 | along = SvIV(fromstr); |
3251 | sv_catpvn(cat, (char*)&along, sizeof(I32)); |
3252 | } |
3253 | break; |
ecfc5424 |
3254 | #ifdef HAS_QUAD |
a0d0e21e |
3255 | case 'Q': |
3256 | while (len-- > 0) { |
3257 | fromstr = NEXTFROM; |
ecfc5424 |
3258 | auquad = (unsigned Quad_t)SvIV(fromstr); |
3259 | sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t)); |
a0d0e21e |
3260 | } |
3261 | break; |
3262 | case 'q': |
3263 | while (len-- > 0) { |
3264 | fromstr = NEXTFROM; |
ecfc5424 |
3265 | aquad = (Quad_t)SvIV(fromstr); |
3266 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); |
a0d0e21e |
3267 | } |
3268 | break; |
ecfc5424 |
3269 | #endif /* HAS_QUAD */ |
a0d0e21e |
3270 | case 'P': |
3271 | len = 1; /* assume SV is correct length */ |
3272 | /* FALL THROUGH */ |
3273 | case 'p': |
3274 | while (len-- > 0) { |
3275 | fromstr = NEXTFROM; |
3276 | aptr = SvPV_force(fromstr, na); /* XXX Error if TEMP? */ |
3277 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
3278 | } |
3279 | break; |
3280 | case 'u': |
3281 | fromstr = NEXTFROM; |
3282 | aptr = SvPV(fromstr, fromlen); |
3283 | SvGROW(cat, fromlen * 4 / 3); |
3284 | if (len <= 1) |
3285 | len = 45; |
3286 | else |
3287 | len = len / 3 * 3; |
3288 | while (fromlen > 0) { |
3289 | I32 todo; |
79072805 |
3290 | |
a0d0e21e |
3291 | if (fromlen > len) |
3292 | todo = len; |
3293 | else |
3294 | todo = fromlen; |
3295 | doencodes(cat, aptr, todo); |
3296 | fromlen -= todo; |
3297 | aptr += todo; |
3298 | } |
3299 | break; |
3300 | } |
3301 | } |
3302 | SvSETMAGIC(cat); |
3303 | SP = ORIGMARK; |
3304 | PUSHs(cat); |
3305 | RETURN; |
79072805 |
3306 | } |
a0d0e21e |
3307 | #undef NEXTFROM |
79072805 |
3308 | |
a0d0e21e |
3309 | PP(pp_split) |
79072805 |
3310 | { |
a0d0e21e |
3311 | dSP; dTARG; |
3312 | AV *ary; |
3313 | register I32 limit = POPi; /* note, negative is forever */ |
3314 | SV *sv = POPs; |
3315 | STRLEN len; |
3316 | register char *s = SvPV(sv, len); |
3317 | char *strend = s + len; |
3318 | register PMOP *pm = (PMOP*)POPs; |
3319 | register SV *dstr; |
3320 | register char *m; |
3321 | I32 iters = 0; |
3322 | I32 maxiters = (strend - s) + 10; |
3323 | I32 i; |
3324 | char *orig; |
3325 | I32 origlimit = limit; |
3326 | I32 realarray = 0; |
3327 | I32 base; |
3328 | AV *oldstack = stack; |
3329 | register REGEXP *rx = pm->op_pmregexp; |
3330 | I32 gimme = GIMME; |
c07a80fd |
3331 | I32 oldsave = savestack_ix; |
79072805 |
3332 | |
a0d0e21e |
3333 | if (!pm || !s) |
3334 | DIE("panic: do_split"); |
3335 | if (pm->op_pmreplroot) |
3336 | ary = GvAVn((GV*)pm->op_pmreplroot); |
3337 | else if (gimme != G_ARRAY) |
3338 | ary = GvAVn(defgv); |
79072805 |
3339 | else |
a0d0e21e |
3340 | ary = Nullav; |
3341 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { |
3342 | realarray = 1; |
3343 | if (!AvREAL(ary)) { |
3344 | AvREAL_on(ary); |
3345 | for (i = AvFILL(ary); i >= 0; i--) |
3346 | AvARRAY(ary)[i] = &sv_undef; /* don't free mere refs */ |
79072805 |
3347 | } |
a0d0e21e |
3348 | av_extend(ary,0); |
3349 | av_clear(ary); |
3350 | /* temporarily switch stacks */ |
3351 | SWITCHSTACK(stack, ary); |
79072805 |
3352 | } |
a0d0e21e |
3353 | base = SP - stack_base; |
3354 | orig = s; |
3355 | if (pm->op_pmflags & PMf_SKIPWHITE) { |
3356 | while (isSPACE(*s)) |
3357 | s++; |
3358 | } |
c07a80fd |
3359 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
3360 | SAVEINT(multiline); |
3361 | multiline = pm->op_pmflags & PMf_MULTILINE; |
3362 | } |
3363 | |
a0d0e21e |
3364 | if (!limit) |
3365 | limit = maxiters + 2; |
3366 | if (pm->op_pmflags & PMf_WHITE) { |
3367 | while (--limit) { |
3368 | /*SUPPRESS 530*/ |
3369 | for (m = s; m < strend && !isSPACE(*m); m++) ; |
3370 | if (m >= strend) |
3371 | break; |
3372 | dstr = NEWSV(30, m-s); |
3373 | sv_setpvn(dstr, s, m-s); |
3374 | if (!realarray) |
3375 | sv_2mortal(dstr); |
3376 | XPUSHs(dstr); |
3377 | /*SUPPRESS 530*/ |
3378 | for (s = m + 1; s < strend && isSPACE(*s); s++) ; |
79072805 |
3379 | } |
3380 | } |
a0d0e21e |
3381 | else if (strEQ("^", rx->precomp)) { |
3382 | while (--limit) { |
3383 | /*SUPPRESS 530*/ |
3384 | for (m = s; m < strend && *m != '\n'; m++) ; |
3385 | m++; |
3386 | if (m >= strend) |
3387 | break; |
3388 | dstr = NEWSV(30, m-s); |
3389 | sv_setpvn(dstr, s, m-s); |
3390 | if (!realarray) |
3391 | sv_2mortal(dstr); |
3392 | XPUSHs(dstr); |
3393 | s = m; |
3394 | } |
3395 | } |
3396 | else if (pm->op_pmshort) { |
3397 | i = SvCUR(pm->op_pmshort); |
3398 | if (i == 1) { |
3399 | I32 fold = (pm->op_pmflags & PMf_FOLD); |
3400 | i = *SvPVX(pm->op_pmshort); |
3401 | if (fold && isUPPER(i)) |
3402 | i = toLOWER(i); |
3403 | while (--limit) { |
3404 | if (fold) { |
3405 | for ( m = s; |
3406 | m < strend && *m != i && |
3407 | (!isUPPER(*m) || toLOWER(*m) != i); |
3408 | m++) /*SUPPRESS 530*/ |
3409 | ; |
3410 | } |
3411 | else /*SUPPRESS 530*/ |
3412 | for (m = s; m < strend && *m != i; 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 | s = m + 1; |
3421 | } |
3422 | } |
3423 | else { |
3424 | #ifndef lint |
3425 | while (s < strend && --limit && |
3426 | (m=fbm_instr((unsigned char*)s, (unsigned char*)strend, |
3427 | pm->op_pmshort)) ) |
79072805 |
3428 | #endif |
a0d0e21e |
3429 | { |
3430 | dstr = NEWSV(31, m-s); |
3431 | sv_setpvn(dstr, s, m-s); |
3432 | if (!realarray) |
3433 | sv_2mortal(dstr); |
3434 | XPUSHs(dstr); |
3435 | s = m + i; |
3436 | } |
463ee0b2 |
3437 | } |
463ee0b2 |
3438 | } |
a0d0e21e |
3439 | else { |
3440 | maxiters += (strend - s) * rx->nparens; |
3441 | while (s < strend && --limit && |
e50aee73 |
3442 | pregexec(rx, s, strend, orig, 1, Nullsv, TRUE) ) { |
a0d0e21e |
3443 | if (rx->subbase |
3444 | && rx->subbase != orig) { |
3445 | m = s; |
3446 | s = orig; |
3447 | orig = rx->subbase; |
3448 | s = orig + (m - s); |
3449 | strend = s + (strend - m); |
3450 | } |
3451 | m = rx->startp[0]; |
3452 | dstr = NEWSV(32, m-s); |
3453 | sv_setpvn(dstr, s, m-s); |
3454 | if (!realarray) |
3455 | sv_2mortal(dstr); |
3456 | XPUSHs(dstr); |
3457 | if (rx->nparens) { |
3458 | for (i = 1; i <= rx->nparens; i++) { |
3459 | s = rx->startp[i]; |
3460 | m = rx->endp[i]; |
748a9306 |
3461 | if (m && s) { |
3462 | dstr = NEWSV(33, m-s); |
3463 | sv_setpvn(dstr, s, m-s); |
3464 | } |
3465 | else |
3466 | dstr = NEWSV(33, 0); |
a0d0e21e |
3467 | if (!realarray) |
3468 | sv_2mortal(dstr); |
3469 | XPUSHs(dstr); |
3470 | } |
3471 | } |
3472 | s = rx->endp[0]; |
3473 | } |
79072805 |
3474 | } |
c07a80fd |
3475 | LEAVE_SCOPE(oldsave); |
a0d0e21e |
3476 | iters = (SP - stack_base) - base; |
3477 | if (iters > maxiters) |
3478 | DIE("Split loop"); |
3479 | |
3480 | /* keep field after final delim? */ |
3481 | if (s < strend || (iters && origlimit)) { |
3482 | dstr = NEWSV(34, strend-s); |
3483 | sv_setpvn(dstr, s, strend-s); |
3484 | if (!realarray) |
3485 | sv_2mortal(dstr); |
3486 | XPUSHs(dstr); |
3487 | iters++; |
79072805 |
3488 | } |
a0d0e21e |
3489 | else if (!origlimit) { |
3490 | while (iters > 0 && SvCUR(TOPs) == 0) |
3491 | iters--, SP--; |
3492 | } |
3493 | if (realarray) { |
3494 | SWITCHSTACK(ary, oldstack); |
3495 | if (gimme == G_ARRAY) { |
3496 | EXTEND(SP, iters); |
3497 | Copy(AvARRAY(ary), SP + 1, iters, SV*); |
3498 | SP += iters; |
3499 | RETURN; |
3500 | } |
3501 | } |
3502 | else { |
3503 | if (gimme == G_ARRAY) |
3504 | RETURN; |
3505 | } |
3506 | if (iters || !pm->op_pmreplroot) { |
3507 | GETTARGET; |
3508 | PUSHi(iters); |
3509 | RETURN; |
3510 | } |
3511 | RETPUSHUNDEF; |
79072805 |
3512 | } |
85e6fe83 |
3513 | |