Commit | Line | Data |
a0d0e21e |
1 | /* pp.c |
79072805 |
2 | * |
a0d0e21e |
3 | * Copyright (c) 1991-1994, Larry Wall |
79072805 |
4 | * |
a0d0e21e |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. |
79072805 |
7 | * |
a0d0e21e |
8 | */ |
9 | |
10 | /* |
11 | * "It's a big house this, and very peculiar. Always a bit more to discover, |
12 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise |
13 | */ |
79072805 |
14 | |
15 | #include "EXTERN.h" |
16 | #include "perl.h" |
17 | |
a0d0e21e |
18 | static void doencodes _((SV *sv, char *s, I32 len)); |
79072805 |
19 | |
a0d0e21e |
20 | /* variations on pp_null */ |
79072805 |
21 | |
93a17b20 |
22 | PP(pp_stub) |
23 | { |
24 | dSP; |
25 | if (GIMME != G_ARRAY) { |
26 | XPUSHs(&sv_undef); |
27 | } |
28 | RETURN; |
29 | } |
30 | |
79072805 |
31 | PP(pp_scalar) |
32 | { |
33 | return NORMAL; |
34 | } |
35 | |
36 | /* Pushy stuff. */ |
37 | |
93a17b20 |
38 | PP(pp_padav) |
39 | { |
40 | dSP; dTARGET; |
a0d0e21e |
41 | if (op->op_private & OPpLVAL_INTRO) |
8990e307 |
42 | SAVECLEARSV(curpad[op->op_targ]); |
85e6fe83 |
43 | EXTEND(SP, 1); |
a0d0e21e |
44 | if (op->op_flags & OPf_REF) { |
85e6fe83 |
45 | PUSHs(TARG); |
93a17b20 |
46 | RETURN; |
85e6fe83 |
47 | } |
48 | if (GIMME == G_ARRAY) { |
49 | I32 maxarg = AvFILL((AV*)TARG) + 1; |
50 | EXTEND(SP, maxarg); |
51 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); |
52 | SP += maxarg; |
53 | } |
54 | else { |
55 | SV* sv = sv_newmortal(); |
56 | I32 maxarg = AvFILL((AV*)TARG) + 1; |
57 | sv_setiv(sv, maxarg); |
58 | PUSHs(sv); |
59 | } |
60 | RETURN; |
93a17b20 |
61 | } |
62 | |
63 | PP(pp_padhv) |
64 | { |
65 | dSP; dTARGET; |
66 | XPUSHs(TARG); |
a0d0e21e |
67 | if (op->op_private & OPpLVAL_INTRO) |
8990e307 |
68 | SAVECLEARSV(curpad[op->op_targ]); |
a0d0e21e |
69 | if (op->op_flags & OPf_REF) |
93a17b20 |
70 | RETURN; |
85e6fe83 |
71 | if (GIMME == G_ARRAY) { /* array wanted */ |
a0d0e21e |
72 | RETURNOP(do_kv(ARGS)); |
85e6fe83 |
73 | } |
74 | else { |
75 | SV* sv = sv_newmortal(); |
76 | if (HvFILL((HV*)TARG)) { |
77 | sprintf(buf, "%d/%d", HvFILL((HV*)TARG), HvMAX((HV*)TARG)+1); |
78 | sv_setpv(sv, buf); |
79 | } |
80 | else |
81 | sv_setiv(sv, 0); |
82 | SETs(sv); |
83 | RETURN; |
84 | } |
93a17b20 |
85 | } |
86 | |
ed6116ce |
87 | PP(pp_padany) |
88 | { |
89 | DIE("NOT IMPL LINE %d",__LINE__); |
90 | } |
91 | |
79072805 |
92 | /* Translations. */ |
93 | |
94 | PP(pp_rv2gv) |
95 | { |
96 | dSP; dTOPss; |
a0d0e21e |
97 | |
ed6116ce |
98 | if (SvROK(sv)) { |
a0d0e21e |
99 | wasref: |
ed6116ce |
100 | sv = SvRV(sv); |
b1dadf13 |
101 | if (SvTYPE(sv) == SVt_PVIO) { |
102 | GV *gv = (GV*) sv_newmortal(); |
103 | gv_init(gv, 0, "", 0, 0); |
104 | GvIOp(gv) = (IO *)sv; |
105 | SvREFCNT_inc(sv); |
106 | sv = (SV*) gv; |
107 | } else if (SvTYPE(sv) != SVt_PVGV) |
a0d0e21e |
108 | DIE("Not a GLOB reference"); |
79072805 |
109 | } |
110 | else { |
93a17b20 |
111 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 |
112 | char *sym; |
113 | |
a0d0e21e |
114 | if (SvGMAGICAL(sv)) { |
115 | mg_get(sv); |
116 | if (SvROK(sv)) |
117 | goto wasref; |
118 | } |
119 | if (!SvOK(sv)) { |
120 | if (op->op_flags & OPf_REF || |
121 | op->op_private & HINT_STRICT_REFS) |
122 | DIE(no_usym, "a symbol"); |
123 | RETSETUNDEF; |
124 | } |
748a9306 |
125 | sym = SvPV(sv, na); |
85e6fe83 |
126 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 |
127 | DIE(no_symref, sym, "a symbol"); |
128 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
93a17b20 |
129 | } |
79072805 |
130 | } |
a0d0e21e |
131 | if (op->op_private & OPpLVAL_INTRO) { |
79072805 |
132 | GP *ogp = GvGP(sv); |
133 | |
134 | SSCHECK(3); |
4633a7c4 |
135 | SSPUSHPTR(SvREFCNT_inc(sv)); |
79072805 |
136 | SSPUSHPTR(ogp); |
137 | SSPUSHINT(SAVEt_GP); |
138 | |
a0d0e21e |
139 | if (op->op_flags & OPf_SPECIAL) { |
79072805 |
140 | GvGP(sv)->gp_refcnt++; /* will soon be assigned */ |
a5f75d66 |
141 | GvINTRO_on(sv); |
a0d0e21e |
142 | } |
79072805 |
143 | else { |
144 | GP *gp; |
145 | Newz(602,gp, 1, GP); |
146 | GvGP(sv) = gp; |
147 | GvREFCNT(sv) = 1; |
148 | GvSV(sv) = NEWSV(72,0); |
149 | GvLINE(sv) = curcop->cop_line; |
f12c7020 |
150 | GvEGV(sv) = (GV*)sv; |
79072805 |
151 | } |
152 | } |
153 | SETs(sv); |
154 | RETURN; |
155 | } |
156 | |
79072805 |
157 | PP(pp_rv2sv) |
158 | { |
159 | dSP; dTOPss; |
160 | |
ed6116ce |
161 | if (SvROK(sv)) { |
a0d0e21e |
162 | wasref: |
ed6116ce |
163 | sv = SvRV(sv); |
79072805 |
164 | switch (SvTYPE(sv)) { |
165 | case SVt_PVAV: |
166 | case SVt_PVHV: |
167 | case SVt_PVCV: |
a0d0e21e |
168 | DIE("Not a SCALAR reference"); |
79072805 |
169 | } |
170 | } |
171 | else { |
f12c7020 |
172 | GV *gv = (GV*)sv; |
748a9306 |
173 | char *sym; |
174 | |
463ee0b2 |
175 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e |
176 | if (SvGMAGICAL(sv)) { |
177 | mg_get(sv); |
178 | if (SvROK(sv)) |
179 | goto wasref; |
180 | } |
181 | if (!SvOK(sv)) { |
182 | if (op->op_flags & OPf_REF || |
183 | op->op_private & HINT_STRICT_REFS) |
184 | DIE(no_usym, "a SCALAR"); |
185 | RETSETUNDEF; |
186 | } |
748a9306 |
187 | sym = SvPV(sv, na); |
85e6fe83 |
188 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 |
189 | DIE(no_symref, sym, "a SCALAR"); |
f12c7020 |
190 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
463ee0b2 |
191 | } |
192 | sv = GvSV(gv); |
a0d0e21e |
193 | } |
194 | if (op->op_flags & OPf_MOD) { |
195 | if (op->op_private & OPpLVAL_INTRO) |
196 | sv = save_scalar((GV*)TOPs); |
464e2e8a |
197 | else if (op->op_private & (OPpDEREF_HV|OPpDEREF_AV)) |
198 | provide_ref(op, sv); |
79072805 |
199 | } |
a0d0e21e |
200 | SETs(sv); |
79072805 |
201 | RETURN; |
202 | } |
203 | |
204 | PP(pp_av2arylen) |
205 | { |
206 | dSP; |
207 | AV *av = (AV*)TOPs; |
208 | SV *sv = AvARYLEN(av); |
209 | if (!sv) { |
210 | AvARYLEN(av) = sv = NEWSV(0,0); |
211 | sv_upgrade(sv, SVt_IV); |
212 | sv_magic(sv, (SV*)av, '#', Nullch, 0); |
213 | } |
214 | SETs(sv); |
215 | RETURN; |
216 | } |
217 | |
a0d0e21e |
218 | PP(pp_pos) |
219 | { |
220 | dSP; dTARGET; dPOPss; |
221 | |
222 | if (op->op_flags & OPf_MOD) { |
223 | LvTYPE(TARG) = '<'; |
224 | LvTARG(TARG) = sv; |
225 | PUSHs(TARG); /* no SvSETMAGIC */ |
226 | RETURN; |
227 | } |
228 | else { |
229 | MAGIC* mg; |
230 | |
231 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
232 | mg = mg_find(sv, 'g'); |
233 | if (mg && mg->mg_len >= 0) { |
234 | PUSHi(mg->mg_len + curcop->cop_arybase); |
235 | RETURN; |
236 | } |
237 | } |
238 | RETPUSHUNDEF; |
239 | } |
240 | } |
241 | |
79072805 |
242 | PP(pp_rv2cv) |
243 | { |
244 | dSP; |
79072805 |
245 | GV *gv; |
246 | HV *stash; |
8990e307 |
247 | |
4633a7c4 |
248 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
249 | /* (But not in defined().) */ |
250 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(op->op_flags & OPf_SPECIAL)); |
79072805 |
251 | |
4633a7c4 |
252 | if (!cv) |
253 | cv = (CV*)&sv_undef; |
79072805 |
254 | SETs((SV*)cv); |
255 | RETURN; |
256 | } |
257 | |
c07a80fd |
258 | PP(pp_prototype) |
259 | { |
260 | dSP; |
261 | CV *cv; |
262 | HV *stash; |
263 | GV *gv; |
264 | SV *ret; |
265 | |
266 | ret = &sv_undef; |
267 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
268 | if (cv && SvPOK(cv)) { |
269 | char *p = SvPVX(cv); |
270 | ret = sv_2mortal(newSVpv(p ? p : "", SvLEN(cv))); |
271 | } |
272 | SETs(ret); |
273 | RETURN; |
274 | } |
275 | |
a0d0e21e |
276 | PP(pp_anoncode) |
277 | { |
278 | dSP; |
748a9306 |
279 | CV* cv = (CV*)cSVOP->op_sv; |
280 | EXTEND(SP,1); |
281 | |
a5f75d66 |
282 | if (CvCLONE(cv)) |
b355b4e0 |
283 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
748a9306 |
284 | |
285 | PUSHs((SV*)cv); |
a0d0e21e |
286 | RETURN; |
287 | } |
288 | |
289 | PP(pp_srefgen) |
79072805 |
290 | { |
291 | dSP; dTOPss; |
292 | SV* rv; |
8990e307 |
293 | rv = sv_newmortal(); |
ed6116ce |
294 | sv_upgrade(rv, SVt_RV); |
a0d0e21e |
295 | if (SvPADTMP(sv)) |
296 | sv = newSVsv(sv); |
297 | else { |
298 | SvTEMP_off(sv); |
299 | (void)SvREFCNT_inc(sv); |
300 | } |
301 | SvRV(rv) = sv; |
ed6116ce |
302 | SvROK_on(rv); |
79072805 |
303 | SETs(rv); |
304 | RETURN; |
a0d0e21e |
305 | } |
306 | |
307 | PP(pp_refgen) |
308 | { |
309 | dSP; dMARK; |
310 | SV* sv; |
311 | SV* rv; |
312 | if (GIMME != G_ARRAY) { |
313 | MARK[1] = *SP; |
314 | SP = MARK + 1; |
315 | } |
316 | while (MARK < SP) { |
317 | sv = *++MARK; |
318 | rv = sv_newmortal(); |
319 | sv_upgrade(rv, SVt_RV); |
320 | if (SvPADTMP(sv)) |
321 | sv = newSVsv(sv); |
322 | else { |
323 | SvTEMP_off(sv); |
324 | (void)SvREFCNT_inc(sv); |
325 | } |
326 | SvRV(rv) = sv; |
327 | SvROK_on(rv); |
328 | *MARK = rv; |
329 | } |
330 | RETURN; |
79072805 |
331 | } |
332 | |
333 | PP(pp_ref) |
334 | { |
463ee0b2 |
335 | dSP; dTARGET; |
336 | SV *sv; |
79072805 |
337 | char *pv; |
338 | |
a0d0e21e |
339 | sv = POPs; |
f12c7020 |
340 | |
341 | if (sv && SvGMAGICAL(sv)) |
342 | mg_get(sv); |
343 | |
a0d0e21e |
344 | if (!sv || !SvROK(sv)) |
4633a7c4 |
345 | RETPUSHNO; |
79072805 |
346 | |
ed6116ce |
347 | sv = SvRV(sv); |
a0d0e21e |
348 | pv = sv_reftype(sv,TRUE); |
463ee0b2 |
349 | PUSHp(pv, strlen(pv)); |
79072805 |
350 | RETURN; |
351 | } |
352 | |
353 | PP(pp_bless) |
354 | { |
463ee0b2 |
355 | dSP; |
463ee0b2 |
356 | HV *stash; |
79072805 |
357 | |
463ee0b2 |
358 | if (MAXARG == 1) |
359 | stash = curcop->cop_stash; |
360 | else |
a0d0e21e |
361 | stash = gv_stashsv(POPs, TRUE); |
362 | |
363 | (void)sv_bless(TOPs, stash); |
79072805 |
364 | RETURN; |
365 | } |
366 | |
a0d0e21e |
367 | /* Pattern matching */ |
79072805 |
368 | |
a0d0e21e |
369 | PP(pp_study) |
79072805 |
370 | { |
c07a80fd |
371 | dSP; dPOPss; |
a0d0e21e |
372 | register unsigned char *s; |
373 | register I32 pos; |
374 | register I32 ch; |
375 | register I32 *sfirst; |
376 | register I32 *snext; |
377 | I32 retval; |
378 | STRLEN len; |
379 | |
c07a80fd |
380 | s = (unsigned char*)(SvPV(sv, len)); |
a0d0e21e |
381 | pos = len; |
c07a80fd |
382 | if (sv == lastscream) |
383 | SvSCREAM_off(sv); |
384 | else { |
385 | if (lastscream) { |
386 | SvSCREAM_off(lastscream); |
387 | SvREFCNT_dec(lastscream); |
388 | } |
389 | lastscream = SvREFCNT_inc(sv); |
390 | } |
a0d0e21e |
391 | if (pos <= 0) { |
392 | retval = 0; |
393 | goto ret; |
394 | } |
395 | if (pos > maxscream) { |
396 | if (maxscream < 0) { |
397 | maxscream = pos + 80; |
398 | New(301, screamfirst, 256, I32); |
399 | New(302, screamnext, maxscream, I32); |
79072805 |
400 | } |
401 | else { |
a0d0e21e |
402 | maxscream = pos + pos / 4; |
403 | Renew(screamnext, maxscream, I32); |
79072805 |
404 | } |
79072805 |
405 | } |
a0d0e21e |
406 | |
407 | sfirst = screamfirst; |
408 | snext = screamnext; |
409 | |
410 | if (!sfirst || !snext) |
411 | DIE("do_study: out of memory"); |
412 | |
413 | for (ch = 256; ch; --ch) |
414 | *sfirst++ = -1; |
415 | sfirst -= 256; |
416 | |
417 | while (--pos >= 0) { |
418 | ch = s[pos]; |
419 | if (sfirst[ch] >= 0) |
420 | snext[pos] = sfirst[ch] - pos; |
421 | else |
422 | snext[pos] = -pos; |
423 | sfirst[ch] = pos; |
424 | |
425 | /* If there were any case insensitive searches, we must assume they |
426 | * all are. This speeds up insensitive searches much more than |
427 | * it slows down sensitive ones. |
428 | */ |
429 | if (sawi) |
430 | sfirst[fold[ch]] = pos; |
79072805 |
431 | } |
432 | |
c07a80fd |
433 | SvSCREAM_on(sv); |
464e2e8a |
434 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
a0d0e21e |
435 | retval = 1; |
436 | ret: |
437 | XPUSHs(sv_2mortal(newSViv((I32)retval))); |
79072805 |
438 | RETURN; |
439 | } |
440 | |
a0d0e21e |
441 | PP(pp_trans) |
79072805 |
442 | { |
a0d0e21e |
443 | dSP; dTARG; |
444 | SV *sv; |
445 | |
446 | if (op->op_flags & OPf_STACKED) |
447 | sv = POPs; |
79072805 |
448 | else { |
a0d0e21e |
449 | sv = GvSV(defgv); |
450 | EXTEND(SP,1); |
79072805 |
451 | } |
adbc6bb1 |
452 | TARG = sv_newmortal(); |
a0d0e21e |
453 | PUSHi(do_trans(sv, op)); |
454 | RETURN; |
79072805 |
455 | } |
456 | |
a0d0e21e |
457 | /* Lvalue operators. */ |
79072805 |
458 | |
a0d0e21e |
459 | PP(pp_schop) |
460 | { |
461 | dSP; dTARGET; |
462 | do_chop(TARG, TOPs); |
463 | SETTARG; |
464 | RETURN; |
79072805 |
465 | } |
466 | |
a0d0e21e |
467 | PP(pp_chop) |
79072805 |
468 | { |
a0d0e21e |
469 | dSP; dMARK; dTARGET; |
470 | while (SP > MARK) |
471 | do_chop(TARG, POPs); |
472 | PUSHTARG; |
473 | RETURN; |
79072805 |
474 | } |
475 | |
a0d0e21e |
476 | PP(pp_schomp) |
79072805 |
477 | { |
a0d0e21e |
478 | dSP; dTARGET; |
479 | SETi(do_chomp(TOPs)); |
480 | RETURN; |
79072805 |
481 | } |
482 | |
a0d0e21e |
483 | PP(pp_chomp) |
79072805 |
484 | { |
a0d0e21e |
485 | dSP; dMARK; dTARGET; |
486 | register I32 count = 0; |
487 | |
488 | while (SP > MARK) |
489 | count += do_chomp(POPs); |
490 | PUSHi(count); |
491 | RETURN; |
79072805 |
492 | } |
493 | |
a0d0e21e |
494 | PP(pp_defined) |
463ee0b2 |
495 | { |
a0d0e21e |
496 | dSP; |
497 | register SV* sv; |
498 | |
499 | sv = POPs; |
500 | if (!sv || !SvANY(sv)) |
501 | RETPUSHNO; |
502 | switch (SvTYPE(sv)) { |
503 | case SVt_PVAV: |
8e07c86e |
504 | if (AvMAX(sv) >= 0 || SvRMAGICAL(sv)) |
a0d0e21e |
505 | RETPUSHYES; |
506 | break; |
507 | case SVt_PVHV: |
8e07c86e |
508 | if (HvARRAY(sv) || SvRMAGICAL(sv)) |
a0d0e21e |
509 | RETPUSHYES; |
510 | break; |
511 | case SVt_PVCV: |
512 | if (CvROOT(sv) || CvXSUB(sv)) |
513 | RETPUSHYES; |
514 | break; |
515 | default: |
516 | if (SvGMAGICAL(sv)) |
517 | mg_get(sv); |
518 | if (SvOK(sv)) |
519 | RETPUSHYES; |
520 | } |
521 | RETPUSHNO; |
463ee0b2 |
522 | } |
523 | |
a0d0e21e |
524 | PP(pp_undef) |
525 | { |
79072805 |
526 | dSP; |
a0d0e21e |
527 | SV *sv; |
528 | |
529 | if (!op->op_private) |
530 | RETPUSHUNDEF; |
79072805 |
531 | |
a0d0e21e |
532 | sv = POPs; |
533 | if (!sv) |
534 | RETPUSHUNDEF; |
85e6fe83 |
535 | |
a0d0e21e |
536 | if (SvTHINKFIRST(sv)) { |
537 | if (SvREADONLY(sv)) |
538 | RETPUSHUNDEF; |
539 | if (SvROK(sv)) |
540 | sv_unref(sv); |
85e6fe83 |
541 | } |
542 | |
a0d0e21e |
543 | switch (SvTYPE(sv)) { |
544 | case SVt_NULL: |
545 | break; |
546 | case SVt_PVAV: |
547 | av_undef((AV*)sv); |
548 | break; |
549 | case SVt_PVHV: |
550 | hv_undef((HV*)sv); |
551 | break; |
552 | case SVt_PVCV: |
553 | cv_undef((CV*)sv); |
554 | sub_generation++; |
555 | break; |
8e07c86e |
556 | case SVt_PVGV: |
557 | if (SvFAKE(sv)) { |
558 | sv_setsv(sv, &sv_undef); |
559 | break; |
560 | } |
a0d0e21e |
561 | default: |
4633a7c4 |
562 | if (SvPOK(sv) && SvLEN(sv)) { |
563 | (void)SvOOK_off(sv); |
564 | Safefree(SvPVX(sv)); |
565 | SvPV_set(sv, Nullch); |
566 | SvLEN_set(sv, 0); |
a0d0e21e |
567 | } |
4633a7c4 |
568 | (void)SvOK_off(sv); |
569 | SvSETMAGIC(sv); |
79072805 |
570 | } |
a0d0e21e |
571 | |
572 | RETPUSHUNDEF; |
79072805 |
573 | } |
574 | |
a0d0e21e |
575 | PP(pp_predec) |
79072805 |
576 | { |
a0d0e21e |
577 | dSP; |
748a9306 |
578 | if (SvIOK(TOPs)) { |
dedeecda |
579 | if (SvIVX(TOPs) == IV_MIN) { |
760ac839 |
580 | sv_setnv(TOPs, (double)SvIVX(TOPs) - 1.0); |
581 | } |
582 | else { |
583 | --SvIVX(TOPs); |
584 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
585 | } |
748a9306 |
586 | } |
587 | else |
588 | sv_dec(TOPs); |
a0d0e21e |
589 | SvSETMAGIC(TOPs); |
590 | return NORMAL; |
591 | } |
79072805 |
592 | |
a0d0e21e |
593 | PP(pp_postinc) |
594 | { |
595 | dSP; dTARGET; |
596 | sv_setsv(TARG, TOPs); |
748a9306 |
597 | if (SvIOK(TOPs)) { |
dedeecda |
598 | if (SvIVX(TOPs) == IV_MAX) { |
760ac839 |
599 | sv_setnv(TOPs, (double)SvIVX(TOPs) + 1.0); |
600 | } |
601 | else { |
602 | ++SvIVX(TOPs); |
603 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
604 | } |
748a9306 |
605 | } |
606 | else |
607 | sv_inc(TOPs); |
a0d0e21e |
608 | SvSETMAGIC(TOPs); |
609 | if (!SvOK(TARG)) |
610 | sv_setiv(TARG, 0); |
611 | SETs(TARG); |
612 | return NORMAL; |
613 | } |
79072805 |
614 | |
a0d0e21e |
615 | PP(pp_postdec) |
616 | { |
617 | dSP; dTARGET; |
618 | sv_setsv(TARG, TOPs); |
748a9306 |
619 | if (SvIOK(TOPs)) { |
dedeecda |
620 | if (SvIVX(TOPs) == IV_MIN) { |
760ac839 |
621 | sv_setnv(TOPs, (double)SvIVX(TOPs) - 1.0); |
622 | } |
623 | else { |
624 | --SvIVX(TOPs); |
625 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
626 | } |
748a9306 |
627 | } |
628 | else |
629 | sv_dec(TOPs); |
a0d0e21e |
630 | SvSETMAGIC(TOPs); |
631 | SETs(TARG); |
632 | return NORMAL; |
633 | } |
79072805 |
634 | |
a0d0e21e |
635 | /* Ordinary operators. */ |
636 | |
637 | PP(pp_pow) |
638 | { |
639 | dSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
640 | { |
641 | dPOPTOPnnrl; |
642 | SETn( pow( left, right) ); |
643 | RETURN; |
93a17b20 |
644 | } |
a0d0e21e |
645 | } |
646 | |
647 | PP(pp_multiply) |
648 | { |
649 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
650 | { |
651 | dPOPTOPnnrl; |
652 | SETn( left * right ); |
653 | RETURN; |
79072805 |
654 | } |
a0d0e21e |
655 | } |
656 | |
657 | PP(pp_divide) |
658 | { |
659 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
660 | { |
661 | dPOPnv; |
662 | if (value == 0.0) |
663 | DIE("Illegal division by zero"); |
664 | #ifdef SLOPPYDIVIDE |
665 | /* insure that 20./5. == 4. */ |
666 | { |
667 | double x; |
668 | I32 k; |
669 | x = POPn; |
670 | if ((double)I_32(x) == x && |
671 | (double)I_32(value) == value && |
672 | (k = I_32(x)/I_32(value))*I_32(value) == I_32(x)) { |
673 | value = k; |
674 | } else { |
675 | value = x/value; |
79072805 |
676 | } |
a0d0e21e |
677 | } |
678 | #else |
679 | value = POPn / value; |
680 | #endif |
681 | PUSHn( value ); |
682 | RETURN; |
79072805 |
683 | } |
a0d0e21e |
684 | } |
685 | |
686 | PP(pp_modulo) |
687 | { |
688 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
689 | { |
1e11cddc |
690 | register IV value; |
691 | register UV uval; |
a0d0e21e |
692 | |
1e11cddc |
693 | uval = POPn; |
694 | if (!uval) |
a0d0e21e |
695 | DIE("Illegal modulus zero"); |
696 | value = TOPn; |
1e11cddc |
697 | if (value >= 0) |
698 | value = (UV)value % uval; |
a0d0e21e |
699 | else { |
1e11cddc |
700 | value = (uval - ((UV)(-value - 1) % uval)) - 1; |
a0d0e21e |
701 | } |
702 | SETi(value); |
703 | RETURN; |
79072805 |
704 | } |
a0d0e21e |
705 | } |
79072805 |
706 | |
a0d0e21e |
707 | PP(pp_repeat) |
708 | { |
748a9306 |
709 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
710 | { |
a0d0e21e |
711 | register I32 count = POPi; |
712 | if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) { |
713 | dMARK; |
714 | I32 items = SP - MARK; |
715 | I32 max; |
79072805 |
716 | |
a0d0e21e |
717 | max = items * count; |
718 | MEXTEND(MARK, max); |
719 | if (count > 1) { |
720 | while (SP > MARK) { |
721 | if (*SP) |
722 | SvTEMP_off((*SP)); |
723 | SP--; |
79072805 |
724 | } |
a0d0e21e |
725 | MARK++; |
726 | repeatcpy((char*)(MARK + items), (char*)MARK, |
727 | items * sizeof(SV*), count - 1); |
728 | SP += max; |
79072805 |
729 | } |
a0d0e21e |
730 | else if (count <= 0) |
731 | SP -= items; |
79072805 |
732 | } |
a0d0e21e |
733 | else { /* Note: mark already snarfed by pp_list */ |
734 | SV *tmpstr; |
735 | STRLEN len; |
736 | |
737 | tmpstr = POPs; |
738 | if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) { |
739 | if (SvREADONLY(tmpstr) && curcop != &compiling) |
740 | DIE("Can't x= to readonly value"); |
741 | if (SvROK(tmpstr)) |
742 | sv_unref(tmpstr); |
93a17b20 |
743 | } |
a0d0e21e |
744 | SvSetSV(TARG, tmpstr); |
745 | SvPV_force(TARG, len); |
746 | if (count >= 1) { |
747 | SvGROW(TARG, (count * len) + 1); |
748 | if (count > 1) |
749 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
750 | SvCUR(TARG) *= count; |
751 | *SvEND(TARG) = '\0'; |
752 | (void)SvPOK_only(TARG); |
753 | } |
754 | else |
755 | sv_setsv(TARG, &sv_no); |
756 | PUSHTARG; |
79072805 |
757 | } |
a0d0e21e |
758 | RETURN; |
748a9306 |
759 | } |
a0d0e21e |
760 | } |
79072805 |
761 | |
a0d0e21e |
762 | PP(pp_subtract) |
763 | { |
764 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
765 | { |
766 | dPOPTOPnnrl; |
767 | SETn( left - right ); |
768 | RETURN; |
79072805 |
769 | } |
a0d0e21e |
770 | } |
79072805 |
771 | |
a0d0e21e |
772 | PP(pp_left_shift) |
773 | { |
774 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
775 | { |
748a9306 |
776 | dPOPTOPiirl; |
777 | SETi( left << right ); |
778 | RETURN; |
79072805 |
779 | } |
a0d0e21e |
780 | } |
79072805 |
781 | |
a0d0e21e |
782 | PP(pp_right_shift) |
783 | { |
784 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
785 | { |
786 | dPOPTOPiirl; |
787 | SETi( left >> right ); |
788 | RETURN; |
93a17b20 |
789 | } |
79072805 |
790 | } |
791 | |
a0d0e21e |
792 | PP(pp_lt) |
79072805 |
793 | { |
a0d0e21e |
794 | dSP; tryAMAGICbinSET(lt,0); |
795 | { |
796 | dPOPnv; |
797 | SETs((TOPn < value) ? &sv_yes : &sv_no); |
798 | RETURN; |
79072805 |
799 | } |
a0d0e21e |
800 | } |
79072805 |
801 | |
a0d0e21e |
802 | PP(pp_gt) |
803 | { |
804 | dSP; tryAMAGICbinSET(gt,0); |
805 | { |
806 | dPOPnv; |
807 | SETs((TOPn > value) ? &sv_yes : &sv_no); |
808 | RETURN; |
79072805 |
809 | } |
a0d0e21e |
810 | } |
811 | |
812 | PP(pp_le) |
813 | { |
814 | dSP; tryAMAGICbinSET(le,0); |
815 | { |
816 | dPOPnv; |
817 | SETs((TOPn <= value) ? &sv_yes : &sv_no); |
818 | RETURN; |
79072805 |
819 | } |
a0d0e21e |
820 | } |
821 | |
822 | PP(pp_ge) |
823 | { |
824 | dSP; tryAMAGICbinSET(ge,0); |
825 | { |
826 | dPOPnv; |
827 | SETs((TOPn >= value) ? &sv_yes : &sv_no); |
828 | RETURN; |
79072805 |
829 | } |
a0d0e21e |
830 | } |
79072805 |
831 | |
a0d0e21e |
832 | PP(pp_ne) |
833 | { |
834 | dSP; tryAMAGICbinSET(ne,0); |
835 | { |
836 | dPOPnv; |
837 | SETs((TOPn != value) ? &sv_yes : &sv_no); |
838 | RETURN; |
839 | } |
79072805 |
840 | } |
841 | |
a0d0e21e |
842 | PP(pp_ncmp) |
79072805 |
843 | { |
a0d0e21e |
844 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
845 | { |
846 | dPOPTOPnnrl; |
847 | I32 value; |
79072805 |
848 | |
a0d0e21e |
849 | if (left > right) |
850 | value = 1; |
851 | else if (left < right) |
852 | value = -1; |
853 | else |
854 | value = 0; |
855 | SETi(value); |
856 | RETURN; |
79072805 |
857 | } |
a0d0e21e |
858 | } |
79072805 |
859 | |
a0d0e21e |
860 | PP(pp_slt) |
861 | { |
862 | dSP; tryAMAGICbinSET(slt,0); |
863 | { |
864 | dPOPTOPssrl; |
865 | SETs( sv_cmp(left, right) < 0 ? &sv_yes : &sv_no ); |
866 | RETURN; |
867 | } |
79072805 |
868 | } |
869 | |
a0d0e21e |
870 | PP(pp_sgt) |
79072805 |
871 | { |
a0d0e21e |
872 | dSP; tryAMAGICbinSET(sgt,0); |
873 | { |
874 | dPOPTOPssrl; |
875 | SETs( sv_cmp(left, right) > 0 ? &sv_yes : &sv_no ); |
876 | RETURN; |
877 | } |
878 | } |
79072805 |
879 | |
a0d0e21e |
880 | PP(pp_sle) |
881 | { |
882 | dSP; tryAMAGICbinSET(sle,0); |
883 | { |
884 | dPOPTOPssrl; |
885 | SETs( sv_cmp(left, right) <= 0 ? &sv_yes : &sv_no ); |
886 | RETURN; |
79072805 |
887 | } |
79072805 |
888 | } |
889 | |
a0d0e21e |
890 | PP(pp_sge) |
891 | { |
892 | dSP; tryAMAGICbinSET(sge,0); |
893 | { |
894 | dPOPTOPssrl; |
895 | SETs( sv_cmp(left, right) >= 0 ? &sv_yes : &sv_no ); |
896 | RETURN; |
897 | } |
898 | } |
79072805 |
899 | |
a0d0e21e |
900 | PP(pp_sne) |
79072805 |
901 | { |
a0d0e21e |
902 | dSP; tryAMAGICbinSET(sne,0); |
903 | { |
904 | dPOPTOPssrl; |
905 | SETs( !sv_eq(left, right) ? &sv_yes : &sv_no ); |
906 | RETURN; |
463ee0b2 |
907 | } |
79072805 |
908 | } |
909 | |
a0d0e21e |
910 | PP(pp_scmp) |
79072805 |
911 | { |
a0d0e21e |
912 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
913 | { |
914 | dPOPTOPssrl; |
915 | SETi( sv_cmp(left, right) ); |
916 | RETURN; |
917 | } |
918 | } |
79072805 |
919 | |
a0d0e21e |
920 | PP(pp_bit_and) { |
921 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
922 | { |
923 | dPOPTOPssrl; |
4633a7c4 |
924 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
925 | unsigned long value = U_L(SvNV(left)); |
926 | value = value & U_L(SvNV(right)); |
1e11cddc |
927 | if ((IV)value == value) |
928 | SETi(value); |
929 | else |
930 | SETn((double)value); |
a0d0e21e |
931 | } |
932 | else { |
933 | do_vop(op->op_type, TARG, left, right); |
934 | SETTARG; |
935 | } |
936 | RETURN; |
937 | } |
938 | } |
79072805 |
939 | |
a0d0e21e |
940 | PP(pp_bit_xor) |
941 | { |
942 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
943 | { |
944 | dPOPTOPssrl; |
4633a7c4 |
945 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
946 | unsigned long value = U_L(SvNV(left)); |
947 | value = value ^ U_L(SvNV(right)); |
1e11cddc |
948 | if ((IV)value == value) |
949 | SETi(value); |
950 | else |
951 | SETn((double)value); |
a0d0e21e |
952 | } |
953 | else { |
954 | do_vop(op->op_type, TARG, left, right); |
955 | SETTARG; |
956 | } |
957 | RETURN; |
958 | } |
959 | } |
79072805 |
960 | |
a0d0e21e |
961 | PP(pp_bit_or) |
962 | { |
963 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
964 | { |
965 | dPOPTOPssrl; |
4633a7c4 |
966 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
967 | unsigned long value = U_L(SvNV(left)); |
968 | value = value | U_L(SvNV(right)); |
1e11cddc |
969 | if ((IV)value == value) |
970 | SETi(value); |
971 | else |
972 | SETn((double)value); |
a0d0e21e |
973 | } |
974 | else { |
975 | do_vop(op->op_type, TARG, left, right); |
976 | SETTARG; |
977 | } |
978 | RETURN; |
79072805 |
979 | } |
a0d0e21e |
980 | } |
79072805 |
981 | |
a0d0e21e |
982 | PP(pp_negate) |
983 | { |
984 | dSP; dTARGET; tryAMAGICun(neg); |
985 | { |
986 | dTOPss; |
4633a7c4 |
987 | if (SvGMAGICAL(sv)) |
988 | mg_get(sv); |
989 | if (SvNIOKp(sv)) |
a0d0e21e |
990 | SETn(-SvNV(sv)); |
4633a7c4 |
991 | else if (SvPOKp(sv)) { |
a0d0e21e |
992 | STRLEN len; |
993 | char *s = SvPV(sv, len); |
994 | if (isALPHA(*s) || *s == '_') { |
995 | sv_setpvn(TARG, "-", 1); |
996 | sv_catsv(TARG, sv); |
79072805 |
997 | } |
a0d0e21e |
998 | else if (*s == '+' || *s == '-') { |
999 | sv_setsv(TARG, sv); |
1000 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; |
79072805 |
1001 | } |
1002 | else |
a0d0e21e |
1003 | sv_setnv(TARG, -SvNV(sv)); |
1004 | SETTARG; |
79072805 |
1005 | } |
4633a7c4 |
1006 | else |
1007 | SETn(-SvNV(sv)); |
79072805 |
1008 | } |
a0d0e21e |
1009 | RETURN; |
79072805 |
1010 | } |
1011 | |
a0d0e21e |
1012 | PP(pp_not) |
79072805 |
1013 | { |
a0d0e21e |
1014 | #ifdef OVERLOAD |
1015 | dSP; tryAMAGICunSET(not); |
1016 | #endif /* OVERLOAD */ |
1017 | *stack_sp = SvTRUE(*stack_sp) ? &sv_no : &sv_yes; |
1018 | return NORMAL; |
79072805 |
1019 | } |
1020 | |
a0d0e21e |
1021 | PP(pp_complement) |
79072805 |
1022 | { |
a0d0e21e |
1023 | dSP; dTARGET; tryAMAGICun(compl); |
1024 | { |
1025 | dTOPss; |
1026 | register I32 anum; |
1027 | |
4633a7c4 |
1028 | if (SvNIOKp(sv)) { |
1e11cddc |
1029 | UV value = ~SvIV(sv); |
1030 | if ((IV)value == value) |
1031 | SETi(value); |
748a9306 |
1032 | else |
1e11cddc |
1033 | SETn((double)value); |
a0d0e21e |
1034 | } |
1035 | else { |
1036 | register char *tmps; |
1037 | register long *tmpl; |
1038 | STRLEN len; |
1039 | |
1040 | SvSetSV(TARG, sv); |
1041 | tmps = SvPV_force(TARG, len); |
1042 | anum = len; |
1043 | #ifdef LIBERAL |
1044 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) |
1045 | *tmps = ~*tmps; |
1046 | tmpl = (long*)tmps; |
1047 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) |
1048 | *tmpl = ~*tmpl; |
1049 | tmps = (char*)tmpl; |
1050 | #endif |
1051 | for ( ; anum > 0; anum--, tmps++) |
1052 | *tmps = ~*tmps; |
1053 | |
1054 | SETs(TARG); |
1055 | } |
1056 | RETURN; |
1057 | } |
79072805 |
1058 | } |
1059 | |
a0d0e21e |
1060 | /* integer versions of some of the above */ |
1061 | |
a0d0e21e |
1062 | PP(pp_i_multiply) |
79072805 |
1063 | { |
a0d0e21e |
1064 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
1065 | { |
1066 | dPOPTOPiirl; |
1067 | SETi( left * right ); |
1068 | RETURN; |
1069 | } |
79072805 |
1070 | } |
1071 | |
a0d0e21e |
1072 | PP(pp_i_divide) |
79072805 |
1073 | { |
a0d0e21e |
1074 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
1075 | { |
1076 | dPOPiv; |
1077 | if (value == 0) |
1078 | DIE("Illegal division by zero"); |
1079 | value = POPi / value; |
1080 | PUSHi( value ); |
1081 | RETURN; |
1082 | } |
79072805 |
1083 | } |
1084 | |
a0d0e21e |
1085 | PP(pp_i_modulo) |
79072805 |
1086 | { |
a0d0e21e |
1087 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
79072805 |
1088 | { |
a0d0e21e |
1089 | dPOPTOPiirl; |
1090 | SETi( left % right ); |
1091 | RETURN; |
79072805 |
1092 | } |
79072805 |
1093 | } |
1094 | |
a0d0e21e |
1095 | PP(pp_i_add) |
79072805 |
1096 | { |
a0d0e21e |
1097 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
1098 | { |
1099 | dPOPTOPiirl; |
1100 | SETi( left + right ); |
1101 | RETURN; |
79072805 |
1102 | } |
79072805 |
1103 | } |
1104 | |
a0d0e21e |
1105 | PP(pp_i_subtract) |
79072805 |
1106 | { |
a0d0e21e |
1107 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
1108 | { |
1109 | dPOPTOPiirl; |
1110 | SETi( left - right ); |
1111 | RETURN; |
79072805 |
1112 | } |
79072805 |
1113 | } |
1114 | |
a0d0e21e |
1115 | PP(pp_i_lt) |
79072805 |
1116 | { |
a0d0e21e |
1117 | dSP; tryAMAGICbinSET(lt,0); |
1118 | { |
1119 | dPOPTOPiirl; |
1120 | SETs((left < right) ? &sv_yes : &sv_no); |
1121 | RETURN; |
1122 | } |
79072805 |
1123 | } |
1124 | |
a0d0e21e |
1125 | PP(pp_i_gt) |
79072805 |
1126 | { |
a0d0e21e |
1127 | dSP; tryAMAGICbinSET(gt,0); |
1128 | { |
1129 | dPOPTOPiirl; |
1130 | SETs((left > right) ? &sv_yes : &sv_no); |
1131 | RETURN; |
1132 | } |
79072805 |
1133 | } |
1134 | |
a0d0e21e |
1135 | PP(pp_i_le) |
79072805 |
1136 | { |
a0d0e21e |
1137 | dSP; tryAMAGICbinSET(le,0); |
1138 | { |
1139 | dPOPTOPiirl; |
1140 | SETs((left <= right) ? &sv_yes : &sv_no); |
1141 | RETURN; |
85e6fe83 |
1142 | } |
79072805 |
1143 | } |
1144 | |
a0d0e21e |
1145 | PP(pp_i_ge) |
79072805 |
1146 | { |
a0d0e21e |
1147 | dSP; tryAMAGICbinSET(ge,0); |
1148 | { |
1149 | dPOPTOPiirl; |
1150 | SETs((left >= right) ? &sv_yes : &sv_no); |
1151 | RETURN; |
1152 | } |
79072805 |
1153 | } |
1154 | |
a0d0e21e |
1155 | PP(pp_i_eq) |
79072805 |
1156 | { |
a0d0e21e |
1157 | dSP; tryAMAGICbinSET(eq,0); |
1158 | { |
1159 | dPOPTOPiirl; |
1160 | SETs((left == right) ? &sv_yes : &sv_no); |
1161 | RETURN; |
1162 | } |
79072805 |
1163 | } |
1164 | |
a0d0e21e |
1165 | PP(pp_i_ne) |
79072805 |
1166 | { |
a0d0e21e |
1167 | dSP; tryAMAGICbinSET(ne,0); |
1168 | { |
1169 | dPOPTOPiirl; |
1170 | SETs((left != right) ? &sv_yes : &sv_no); |
1171 | RETURN; |
1172 | } |
79072805 |
1173 | } |
1174 | |
a0d0e21e |
1175 | PP(pp_i_ncmp) |
79072805 |
1176 | { |
a0d0e21e |
1177 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
1178 | { |
1179 | dPOPTOPiirl; |
1180 | I32 value; |
79072805 |
1181 | |
a0d0e21e |
1182 | if (left > right) |
79072805 |
1183 | value = 1; |
a0d0e21e |
1184 | else if (left < right) |
79072805 |
1185 | value = -1; |
a0d0e21e |
1186 | else |
79072805 |
1187 | value = 0; |
a0d0e21e |
1188 | SETi(value); |
1189 | RETURN; |
79072805 |
1190 | } |
85e6fe83 |
1191 | } |
1192 | |
1193 | PP(pp_i_negate) |
1194 | { |
a0d0e21e |
1195 | dSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 |
1196 | SETi(-TOPi); |
1197 | RETURN; |
1198 | } |
1199 | |
79072805 |
1200 | /* High falutin' math. */ |
1201 | |
1202 | PP(pp_atan2) |
1203 | { |
a0d0e21e |
1204 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
1205 | { |
1206 | dPOPTOPnnrl; |
1207 | SETn(atan2(left, right)); |
1208 | RETURN; |
1209 | } |
79072805 |
1210 | } |
1211 | |
1212 | PP(pp_sin) |
1213 | { |
a0d0e21e |
1214 | dSP; dTARGET; tryAMAGICun(sin); |
1215 | { |
1216 | double value; |
1217 | value = POPn; |
1218 | value = sin(value); |
1219 | XPUSHn(value); |
1220 | RETURN; |
1221 | } |
79072805 |
1222 | } |
1223 | |
1224 | PP(pp_cos) |
1225 | { |
a0d0e21e |
1226 | dSP; dTARGET; tryAMAGICun(cos); |
1227 | { |
1228 | double value; |
1229 | value = POPn; |
1230 | value = cos(value); |
1231 | XPUSHn(value); |
1232 | RETURN; |
1233 | } |
79072805 |
1234 | } |
1235 | |
1236 | PP(pp_rand) |
1237 | { |
1238 | dSP; dTARGET; |
1239 | double value; |
1240 | if (MAXARG < 1) |
1241 | value = 1.0; |
1242 | else |
1243 | value = POPn; |
1244 | if (value == 0.0) |
1245 | value = 1.0; |
1246 | #if RANDBITS == 31 |
1247 | value = rand() * value / 2147483648.0; |
1248 | #else |
1249 | #if RANDBITS == 16 |
1250 | value = rand() * value / 65536.0; |
1251 | #else |
1252 | #if RANDBITS == 15 |
1253 | value = rand() * value / 32768.0; |
1254 | #else |
1255 | value = rand() * value / (double)(((unsigned long)1) << RANDBITS); |
1256 | #endif |
1257 | #endif |
1258 | #endif |
1259 | XPUSHn(value); |
1260 | RETURN; |
1261 | } |
1262 | |
1263 | PP(pp_srand) |
1264 | { |
1265 | dSP; |
1266 | I32 anum; |
79072805 |
1267 | |
1268 | if (MAXARG < 1) { |
f12c7020 |
1269 | #ifdef VMS |
1270 | # include <starlet.h> |
1271 | unsigned int when[2]; |
1272 | _ckvmssts(sys$gettim(when)); |
1273 | anum = when[0] ^ when[1]; |
1274 | #else |
1275 | # if defined(I_SYS_TIME) && !defined(PLAN9) |
1276 | struct timeval when; |
1277 | gettimeofday(&when,(struct timezone *) 0); |
1278 | anum = when.tv_sec ^ when.tv_usec; |
1279 | # else |
1280 | Time_t when; |
79072805 |
1281 | (void)time(&when); |
1282 | anum = when; |
f12c7020 |
1283 | # endif |
1284 | #endif |
1285 | #if !defined(PLAN9) /* XXX Plan9 assembler chokes on this; fix coming soon */ |
1286 | /* 17-Jul-1996 bailey@genetics.upenn.edu */ |
1287 | /* What is a good hashing algorithm here? */ |
1288 | anum ^= ( ( 269 * (U32)getpid()) |
1289 | ^ (26107 * (U32)&when) |
1290 | ^ (73819 * (U32)stack_sp)); |
1291 | #endif |
79072805 |
1292 | } |
1293 | else |
1294 | anum = POPi; |
1295 | (void)srand(anum); |
1296 | EXTEND(SP, 1); |
1297 | RETPUSHYES; |
1298 | } |
1299 | |
1300 | PP(pp_exp) |
1301 | { |
a0d0e21e |
1302 | dSP; dTARGET; tryAMAGICun(exp); |
1303 | { |
1304 | double value; |
1305 | value = POPn; |
1306 | value = exp(value); |
1307 | XPUSHn(value); |
1308 | RETURN; |
1309 | } |
79072805 |
1310 | } |
1311 | |
1312 | PP(pp_log) |
1313 | { |
a0d0e21e |
1314 | dSP; dTARGET; tryAMAGICun(log); |
1315 | { |
1316 | double value; |
1317 | value = POPn; |
1318 | if (value <= 0.0) |
2304df62 |
1319 | DIE("Can't take log of %g", value); |
a0d0e21e |
1320 | value = log(value); |
1321 | XPUSHn(value); |
1322 | RETURN; |
1323 | } |
79072805 |
1324 | } |
1325 | |
1326 | PP(pp_sqrt) |
1327 | { |
a0d0e21e |
1328 | dSP; dTARGET; tryAMAGICun(sqrt); |
1329 | { |
1330 | double value; |
1331 | value = POPn; |
1332 | if (value < 0.0) |
2304df62 |
1333 | DIE("Can't take sqrt of %g", value); |
a0d0e21e |
1334 | value = sqrt(value); |
1335 | XPUSHn(value); |
1336 | RETURN; |
1337 | } |
79072805 |
1338 | } |
1339 | |
1340 | PP(pp_int) |
1341 | { |
1342 | dSP; dTARGET; |
1343 | double value; |
a0d0e21e |
1344 | value = POPn; |
79072805 |
1345 | if (value >= 0.0) |
1346 | (void)modf(value, &value); |
1347 | else { |
1348 | (void)modf(-value, &value); |
1349 | value = -value; |
1350 | } |
1351 | XPUSHn(value); |
1352 | RETURN; |
1353 | } |
1354 | |
463ee0b2 |
1355 | PP(pp_abs) |
1356 | { |
a0d0e21e |
1357 | dSP; dTARGET; tryAMAGICun(abs); |
1358 | { |
1359 | double value; |
1360 | value = POPn; |
463ee0b2 |
1361 | |
a0d0e21e |
1362 | if (value < 0.0) |
463ee0b2 |
1363 | value = -value; |
1364 | |
a0d0e21e |
1365 | XPUSHn(value); |
1366 | RETURN; |
1367 | } |
463ee0b2 |
1368 | } |
1369 | |
79072805 |
1370 | PP(pp_hex) |
1371 | { |
1372 | dSP; dTARGET; |
1373 | char *tmps; |
464e2e8a |
1374 | unsigned long value; |
79072805 |
1375 | I32 argtype; |
1376 | |
a0d0e21e |
1377 | tmps = POPp; |
464e2e8a |
1378 | value = scan_hex(tmps, 99, &argtype); |
1379 | if ((IV)value >= 0) |
1380 | XPUSHi(value); |
1381 | else |
1382 | XPUSHn(U_V(value)); |
79072805 |
1383 | RETURN; |
1384 | } |
1385 | |
1386 | PP(pp_oct) |
1387 | { |
1388 | dSP; dTARGET; |
464e2e8a |
1389 | unsigned long value; |
79072805 |
1390 | I32 argtype; |
1391 | char *tmps; |
1392 | |
a0d0e21e |
1393 | tmps = POPp; |
464e2e8a |
1394 | while (*tmps && isSPACE(*tmps)) |
1395 | tmps++; |
1396 | if (*tmps == '0') |
79072805 |
1397 | tmps++; |
1398 | if (*tmps == 'x') |
464e2e8a |
1399 | value = scan_hex(++tmps, 99, &argtype); |
1400 | else |
1401 | value = scan_oct(tmps, 99, &argtype); |
1402 | if ((IV)value >= 0) |
1403 | XPUSHi(value); |
79072805 |
1404 | else |
464e2e8a |
1405 | XPUSHn(U_V(value)); |
79072805 |
1406 | RETURN; |
1407 | } |
1408 | |
1409 | /* String stuff. */ |
1410 | |
1411 | PP(pp_length) |
1412 | { |
1413 | dSP; dTARGET; |
a0d0e21e |
1414 | SETi( sv_len(TOPs) ); |
79072805 |
1415 | RETURN; |
1416 | } |
1417 | |
1418 | PP(pp_substr) |
1419 | { |
1420 | dSP; dTARGET; |
1421 | SV *sv; |
1422 | I32 len; |
463ee0b2 |
1423 | STRLEN curlen; |
79072805 |
1424 | I32 pos; |
1425 | I32 rem; |
a0d0e21e |
1426 | I32 lvalue = op->op_flags & OPf_MOD; |
79072805 |
1427 | char *tmps; |
a0d0e21e |
1428 | I32 arybase = curcop->cop_arybase; |
79072805 |
1429 | |
1430 | if (MAXARG > 2) |
1431 | len = POPi; |
1432 | pos = POPi - arybase; |
1433 | sv = POPs; |
a0d0e21e |
1434 | tmps = SvPV(sv, curlen); |
79072805 |
1435 | if (pos < 0) |
1436 | pos += curlen + arybase; |
2304df62 |
1437 | if (pos < 0 || pos > curlen) { |
a0d0e21e |
1438 | if (dowarn || lvalue) |
2304df62 |
1439 | warn("substr outside of string"); |
1440 | RETPUSHUNDEF; |
1441 | } |
79072805 |
1442 | else { |
1443 | if (MAXARG < 3) |
1444 | len = curlen; |
a0d0e21e |
1445 | else if (len < 0) { |
748a9306 |
1446 | len += curlen - pos; |
a0d0e21e |
1447 | if (len < 0) |
1448 | len = 0; |
1449 | } |
79072805 |
1450 | tmps += pos; |
1451 | rem = curlen - pos; /* rem=how many bytes left*/ |
1452 | if (rem > len) |
1453 | rem = len; |
1454 | sv_setpvn(TARG, tmps, rem); |
1455 | if (lvalue) { /* it's an lvalue! */ |
dedeecda |
1456 | if (!SvGMAGICAL(sv)) { |
1457 | if (SvROK(sv)) { |
1458 | SvPV_force(sv,na); |
1459 | if (dowarn) |
1460 | warn("Attempt to use reference as lvalue in substr"); |
1461 | } |
1462 | if (SvOK(sv)) /* is it defined ? */ |
1463 | (void)SvPOK_only(sv); |
1464 | else |
1465 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ |
1466 | } |
a0d0e21e |
1467 | if (SvTYPE(TARG) < SVt_PVLV) { |
1468 | sv_upgrade(TARG, SVt_PVLV); |
1469 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); |
ed6116ce |
1470 | } |
a0d0e21e |
1471 | |
79072805 |
1472 | LvTYPE(TARG) = 's'; |
1473 | LvTARG(TARG) = sv; |
a0d0e21e |
1474 | LvTARGOFF(TARG) = pos; |
79072805 |
1475 | LvTARGLEN(TARG) = rem; |
1476 | } |
1477 | } |
1478 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
1479 | RETURN; |
1480 | } |
1481 | |
1482 | PP(pp_vec) |
1483 | { |
1484 | dSP; dTARGET; |
1485 | register I32 size = POPi; |
1486 | register I32 offset = POPi; |
1487 | register SV *src = POPs; |
a0d0e21e |
1488 | I32 lvalue = op->op_flags & OPf_MOD; |
463ee0b2 |
1489 | STRLEN srclen; |
1490 | unsigned char *s = (unsigned char*)SvPV(src, srclen); |
79072805 |
1491 | unsigned long retnum; |
1492 | I32 len; |
1493 | |
1494 | offset *= size; /* turn into bit offset */ |
1495 | len = (offset + size + 7) / 8; |
1496 | if (offset < 0 || size < 1) |
1497 | retnum = 0; |
79072805 |
1498 | else { |
a0d0e21e |
1499 | if (lvalue) { /* it's an lvalue! */ |
1500 | if (SvTYPE(TARG) < SVt_PVLV) { |
1501 | sv_upgrade(TARG, SVt_PVLV); |
1502 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); |
1503 | } |
1504 | |
1505 | LvTYPE(TARG) = 'v'; |
1506 | LvTARG(TARG) = src; |
1507 | LvTARGOFF(TARG) = offset; |
1508 | LvTARGLEN(TARG) = size; |
1509 | } |
93a17b20 |
1510 | if (len > srclen) { |
a0d0e21e |
1511 | if (size <= 8) |
1512 | retnum = 0; |
1513 | else { |
1514 | offset >>= 3; |
748a9306 |
1515 | if (size == 16) { |
1516 | if (offset >= srclen) |
1517 | retnum = 0; |
a0d0e21e |
1518 | else |
748a9306 |
1519 | retnum = (unsigned long) s[offset] << 8; |
1520 | } |
1521 | else if (size == 32) { |
1522 | if (offset >= srclen) |
1523 | retnum = 0; |
1524 | else if (offset + 1 >= srclen) |
a0d0e21e |
1525 | retnum = (unsigned long) s[offset] << 24; |
748a9306 |
1526 | else if (offset + 2 >= srclen) |
1527 | retnum = ((unsigned long) s[offset] << 24) + |
1528 | ((unsigned long) s[offset + 1] << 16); |
1529 | else |
1530 | retnum = ((unsigned long) s[offset] << 24) + |
1531 | ((unsigned long) s[offset + 1] << 16) + |
1532 | (s[offset + 2] << 8); |
a0d0e21e |
1533 | } |
1534 | } |
79072805 |
1535 | } |
a0d0e21e |
1536 | else if (size < 8) |
79072805 |
1537 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
1538 | else { |
1539 | offset >>= 3; |
1540 | if (size == 8) |
1541 | retnum = s[offset]; |
1542 | else if (size == 16) |
1543 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; |
1544 | else if (size == 32) |
1545 | retnum = ((unsigned long) s[offset] << 24) + |
1546 | ((unsigned long) s[offset + 1] << 16) + |
1547 | (s[offset + 2] << 8) + s[offset+3]; |
1548 | } |
79072805 |
1549 | } |
1550 | |
1551 | sv_setiv(TARG, (I32)retnum); |
1552 | PUSHs(TARG); |
1553 | RETURN; |
1554 | } |
1555 | |
1556 | PP(pp_index) |
1557 | { |
1558 | dSP; dTARGET; |
1559 | SV *big; |
1560 | SV *little; |
1561 | I32 offset; |
1562 | I32 retval; |
1563 | char *tmps; |
1564 | char *tmps2; |
463ee0b2 |
1565 | STRLEN biglen; |
a0d0e21e |
1566 | I32 arybase = curcop->cop_arybase; |
79072805 |
1567 | |
1568 | if (MAXARG < 3) |
1569 | offset = 0; |
1570 | else |
1571 | offset = POPi - arybase; |
1572 | little = POPs; |
1573 | big = POPs; |
463ee0b2 |
1574 | tmps = SvPV(big, biglen); |
79072805 |
1575 | if (offset < 0) |
1576 | offset = 0; |
93a17b20 |
1577 | else if (offset > biglen) |
1578 | offset = biglen; |
79072805 |
1579 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
93a17b20 |
1580 | (unsigned char*)tmps + biglen, little))) |
79072805 |
1581 | retval = -1 + arybase; |
1582 | else |
1583 | retval = tmps2 - tmps + arybase; |
1584 | PUSHi(retval); |
1585 | RETURN; |
1586 | } |
1587 | |
1588 | PP(pp_rindex) |
1589 | { |
1590 | dSP; dTARGET; |
1591 | SV *big; |
1592 | SV *little; |
463ee0b2 |
1593 | STRLEN blen; |
1594 | STRLEN llen; |
79072805 |
1595 | SV *offstr; |
1596 | I32 offset; |
1597 | I32 retval; |
1598 | char *tmps; |
1599 | char *tmps2; |
a0d0e21e |
1600 | I32 arybase = curcop->cop_arybase; |
79072805 |
1601 | |
a0d0e21e |
1602 | if (MAXARG >= 3) |
79072805 |
1603 | offstr = POPs; |
1604 | little = POPs; |
1605 | big = POPs; |
463ee0b2 |
1606 | tmps2 = SvPV(little, llen); |
1607 | tmps = SvPV(big, blen); |
79072805 |
1608 | if (MAXARG < 3) |
463ee0b2 |
1609 | offset = blen; |
79072805 |
1610 | else |
463ee0b2 |
1611 | offset = SvIV(offstr) - arybase + llen; |
79072805 |
1612 | if (offset < 0) |
1613 | offset = 0; |
463ee0b2 |
1614 | else if (offset > blen) |
1615 | offset = blen; |
79072805 |
1616 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 |
1617 | tmps2, tmps2 + llen))) |
79072805 |
1618 | retval = -1 + arybase; |
1619 | else |
1620 | retval = tmps2 - tmps + arybase; |
1621 | PUSHi(retval); |
1622 | RETURN; |
1623 | } |
1624 | |
1625 | PP(pp_sprintf) |
1626 | { |
1627 | dSP; dMARK; dORIGMARK; dTARGET; |
1628 | do_sprintf(TARG, SP-MARK, MARK+1); |
1629 | SP = ORIGMARK; |
1630 | PUSHTARG; |
1631 | RETURN; |
1632 | } |
1633 | |
79072805 |
1634 | PP(pp_ord) |
1635 | { |
1636 | dSP; dTARGET; |
1637 | I32 value; |
1638 | char *tmps; |
79072805 |
1639 | |
79072805 |
1640 | #ifndef I286 |
a0d0e21e |
1641 | tmps = POPp; |
79072805 |
1642 | value = (I32) (*tmps & 255); |
1643 | #else |
a0d0e21e |
1644 | I32 anum; |
1645 | tmps = POPp; |
79072805 |
1646 | anum = (I32) *tmps; |
1647 | value = (I32) (anum & 255); |
1648 | #endif |
1649 | XPUSHi(value); |
1650 | RETURN; |
1651 | } |
1652 | |
463ee0b2 |
1653 | PP(pp_chr) |
1654 | { |
1655 | dSP; dTARGET; |
1656 | char *tmps; |
1657 | |
748a9306 |
1658 | (void)SvUPGRADE(TARG,SVt_PV); |
1659 | SvGROW(TARG,2); |
463ee0b2 |
1660 | SvCUR_set(TARG, 1); |
1661 | tmps = SvPVX(TARG); |
748a9306 |
1662 | *tmps++ = POPi; |
1663 | *tmps = '\0'; |
a0d0e21e |
1664 | (void)SvPOK_only(TARG); |
463ee0b2 |
1665 | XPUSHs(TARG); |
1666 | RETURN; |
1667 | } |
1668 | |
79072805 |
1669 | PP(pp_crypt) |
1670 | { |
1671 | dSP; dTARGET; dPOPTOPssrl; |
1672 | #ifdef HAS_CRYPT |
a0d0e21e |
1673 | char *tmps = SvPV(left, na); |
79072805 |
1674 | #ifdef FCRYPT |
a0d0e21e |
1675 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, na))); |
79072805 |
1676 | #else |
a0d0e21e |
1677 | sv_setpv(TARG, crypt(tmps, SvPV(right, na))); |
79072805 |
1678 | #endif |
1679 | #else |
1680 | DIE( |
1681 | "The crypt() function is unimplemented due to excessive paranoia."); |
1682 | #endif |
1683 | SETs(TARG); |
1684 | RETURN; |
1685 | } |
1686 | |
1687 | PP(pp_ucfirst) |
1688 | { |
1689 | dSP; |
1690 | SV *sv = TOPs; |
1691 | register char *s; |
1692 | |
ed6116ce |
1693 | if (!SvPADTMP(sv)) { |
79072805 |
1694 | dTARGET; |
1695 | sv_setsv(TARG, sv); |
1696 | sv = TARG; |
1697 | SETs(sv); |
1698 | } |
a0d0e21e |
1699 | s = SvPV_force(sv, na); |
1700 | if (isLOWER(*s)) |
1701 | *s = toUPPER(*s); |
79072805 |
1702 | |
1703 | RETURN; |
1704 | } |
1705 | |
1706 | PP(pp_lcfirst) |
1707 | { |
1708 | dSP; |
1709 | SV *sv = TOPs; |
1710 | register char *s; |
1711 | |
ed6116ce |
1712 | if (!SvPADTMP(sv)) { |
79072805 |
1713 | dTARGET; |
1714 | sv_setsv(TARG, sv); |
1715 | sv = TARG; |
1716 | SETs(sv); |
1717 | } |
a0d0e21e |
1718 | s = SvPV_force(sv, na); |
1719 | if (isUPPER(*s)) |
1720 | *s = toLOWER(*s); |
79072805 |
1721 | |
1722 | SETs(sv); |
1723 | RETURN; |
1724 | } |
1725 | |
1726 | PP(pp_uc) |
1727 | { |
1728 | dSP; |
1729 | SV *sv = TOPs; |
1730 | register char *s; |
1731 | register char *send; |
463ee0b2 |
1732 | STRLEN len; |
79072805 |
1733 | |
ed6116ce |
1734 | if (!SvPADTMP(sv)) { |
79072805 |
1735 | dTARGET; |
1736 | sv_setsv(TARG, sv); |
1737 | sv = TARG; |
1738 | SETs(sv); |
1739 | } |
a0d0e21e |
1740 | s = SvPV_force(sv, len); |
463ee0b2 |
1741 | send = s + len; |
79072805 |
1742 | while (s < send) { |
a0d0e21e |
1743 | if (isLOWER(*s)) |
1744 | *s = toUPPER(*s); |
79072805 |
1745 | s++; |
1746 | } |
1747 | RETURN; |
1748 | } |
1749 | |
1750 | PP(pp_lc) |
1751 | { |
1752 | dSP; |
1753 | SV *sv = TOPs; |
1754 | register char *s; |
1755 | register char *send; |
463ee0b2 |
1756 | STRLEN len; |
79072805 |
1757 | |
ed6116ce |
1758 | if (!SvPADTMP(sv)) { |
79072805 |
1759 | dTARGET; |
1760 | sv_setsv(TARG, sv); |
1761 | sv = TARG; |
1762 | SETs(sv); |
1763 | } |
a0d0e21e |
1764 | s = SvPV_force(sv, len); |
463ee0b2 |
1765 | send = s + len; |
79072805 |
1766 | while (s < send) { |
a0d0e21e |
1767 | if (isUPPER(*s)) |
1768 | *s = toLOWER(*s); |
79072805 |
1769 | s++; |
1770 | } |
1771 | RETURN; |
1772 | } |
1773 | |
a0d0e21e |
1774 | PP(pp_quotemeta) |
79072805 |
1775 | { |
a0d0e21e |
1776 | dSP; dTARGET; |
1777 | SV *sv = TOPs; |
1778 | STRLEN len; |
1779 | register char *s = SvPV(sv,len); |
1780 | register char *d; |
79072805 |
1781 | |
a0d0e21e |
1782 | if (len) { |
1783 | (void)SvUPGRADE(TARG, SVt_PV); |
c07a80fd |
1784 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e |
1785 | d = SvPVX(TARG); |
1786 | while (len--) { |
1787 | if (!isALNUM(*s)) |
1788 | *d++ = '\\'; |
1789 | *d++ = *s++; |
79072805 |
1790 | } |
a0d0e21e |
1791 | *d = '\0'; |
1792 | SvCUR_set(TARG, d - SvPVX(TARG)); |
1793 | (void)SvPOK_only(TARG); |
79072805 |
1794 | } |
a0d0e21e |
1795 | else |
1796 | sv_setpvn(TARG, s, len); |
1797 | SETs(TARG); |
79072805 |
1798 | RETURN; |
1799 | } |
1800 | |
a0d0e21e |
1801 | /* Arrays. */ |
79072805 |
1802 | |
a0d0e21e |
1803 | PP(pp_aslice) |
79072805 |
1804 | { |
a0d0e21e |
1805 | dSP; dMARK; dORIGMARK; |
1806 | register SV** svp; |
1807 | register AV* av = (AV*)POPs; |
1808 | register I32 lval = op->op_flags & OPf_MOD; |
748a9306 |
1809 | I32 arybase = curcop->cop_arybase; |
1810 | I32 elem; |
79072805 |
1811 | |
a0d0e21e |
1812 | if (SvTYPE(av) == SVt_PVAV) { |
748a9306 |
1813 | if (lval && op->op_private & OPpLVAL_INTRO) { |
1814 | I32 max = -1; |
1815 | for (svp = mark + 1; svp <= sp; svp++) { |
1816 | elem = SvIVx(*svp); |
1817 | if (elem > max) |
1818 | max = elem; |
1819 | } |
1820 | if (max > AvMAX(av)) |
1821 | av_extend(av, max); |
1822 | } |
a0d0e21e |
1823 | while (++MARK <= SP) { |
748a9306 |
1824 | elem = SvIVx(*MARK); |
a0d0e21e |
1825 | |
748a9306 |
1826 | if (elem > 0) |
1827 | elem -= arybase; |
a0d0e21e |
1828 | svp = av_fetch(av, elem, lval); |
1829 | if (lval) { |
1830 | if (!svp || *svp == &sv_undef) |
1831 | DIE(no_aelem, elem); |
1832 | if (op->op_private & OPpLVAL_INTRO) |
1833 | save_svref(svp); |
79072805 |
1834 | } |
a0d0e21e |
1835 | *MARK = svp ? *svp : &sv_undef; |
79072805 |
1836 | } |
1837 | } |
748a9306 |
1838 | if (GIMME != G_ARRAY) { |
a0d0e21e |
1839 | MARK = ORIGMARK; |
1840 | *++MARK = *SP; |
1841 | SP = MARK; |
1842 | } |
79072805 |
1843 | RETURN; |
1844 | } |
1845 | |
1846 | /* Associative arrays. */ |
1847 | |
1848 | PP(pp_each) |
1849 | { |
1850 | dSP; dTARGET; |
1851 | HV *hash = (HV*)POPs; |
c07a80fd |
1852 | HE *entry; |
c07a80fd |
1853 | |
1854 | PUTBACK; |
1855 | entry = hv_iternext(hash); /* might clobber stack_sp */ |
1856 | SPAGAIN; |
79072805 |
1857 | |
79072805 |
1858 | EXTEND(SP, 2); |
1859 | if (entry) { |
f12c7020 |
1860 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
79072805 |
1861 | if (GIMME == G_ARRAY) { |
c07a80fd |
1862 | PUTBACK; |
1863 | sv_setsv(TARG, hv_iterval(hash, entry)); /* might clobber stack_sp */ |
1864 | SPAGAIN; |
8990e307 |
1865 | PUSHs(TARG); |
79072805 |
1866 | } |
79072805 |
1867 | } |
1868 | else if (GIMME == G_SCALAR) |
1869 | RETPUSHUNDEF; |
1870 | |
1871 | RETURN; |
1872 | } |
1873 | |
1874 | PP(pp_values) |
1875 | { |
1876 | return do_kv(ARGS); |
1877 | } |
1878 | |
1879 | PP(pp_keys) |
1880 | { |
1881 | return do_kv(ARGS); |
1882 | } |
1883 | |
1884 | PP(pp_delete) |
1885 | { |
1886 | dSP; |
1887 | SV *sv; |
1888 | SV *tmpsv = POPs; |
1889 | HV *hv = (HV*)POPs; |
463ee0b2 |
1890 | STRLEN len; |
a0d0e21e |
1891 | if (SvTYPE(hv) != SVt_PVHV) { |
1892 | DIE("Not a HASH reference"); |
79072805 |
1893 | } |
f12c7020 |
1894 | sv = hv_delete_ent(hv, tmpsv, |
1895 | (op->op_private & OPpLEAVE_VOID ? G_DISCARD : 0), 0); |
79072805 |
1896 | if (!sv) |
1897 | RETPUSHUNDEF; |
1898 | PUSHs(sv); |
1899 | RETURN; |
1900 | } |
1901 | |
a0d0e21e |
1902 | PP(pp_exists) |
79072805 |
1903 | { |
a0d0e21e |
1904 | dSP; |
1905 | SV *tmpsv = POPs; |
1906 | HV *hv = (HV*)POPs; |
a0d0e21e |
1907 | STRLEN len; |
1908 | if (SvTYPE(hv) != SVt_PVHV) { |
1909 | DIE("Not a HASH reference"); |
1910 | } |
f12c7020 |
1911 | if (hv_exists_ent(hv, tmpsv, 0)) |
a0d0e21e |
1912 | RETPUSHYES; |
1913 | RETPUSHNO; |
1914 | } |
79072805 |
1915 | |
a0d0e21e |
1916 | PP(pp_hslice) |
1917 | { |
1918 | dSP; dMARK; dORIGMARK; |
f12c7020 |
1919 | register HE *he; |
a0d0e21e |
1920 | register HV *hv = (HV*)POPs; |
1921 | register I32 lval = op->op_flags & OPf_MOD; |
79072805 |
1922 | |
a0d0e21e |
1923 | if (SvTYPE(hv) == SVt_PVHV) { |
1924 | while (++MARK <= SP) { |
f12c7020 |
1925 | SV *keysv = *MARK; |
79072805 |
1926 | |
f12c7020 |
1927 | he = hv_fetch_ent(hv, keysv, lval, 0); |
a0d0e21e |
1928 | if (lval) { |
f12c7020 |
1929 | if (!he || HeVAL(he) == &sv_undef) |
1930 | DIE(no_helem, SvPV(keysv, na)); |
a0d0e21e |
1931 | if (op->op_private & OPpLVAL_INTRO) |
f12c7020 |
1932 | save_svref(&HeVAL(he)); |
93a17b20 |
1933 | } |
f12c7020 |
1934 | *MARK = he ? HeVAL(he) : &sv_undef; |
79072805 |
1935 | } |
1936 | } |
a0d0e21e |
1937 | if (GIMME != G_ARRAY) { |
1938 | MARK = ORIGMARK; |
1939 | *++MARK = *SP; |
1940 | SP = MARK; |
79072805 |
1941 | } |
a0d0e21e |
1942 | RETURN; |
1943 | } |
1944 | |
1945 | /* List operators. */ |
1946 | |
1947 | PP(pp_list) |
1948 | { |
1949 | dSP; dMARK; |
1950 | if (GIMME != G_ARRAY) { |
1951 | if (++MARK <= SP) |
1952 | *MARK = *SP; /* unwanted list, return last item */ |
8990e307 |
1953 | else |
a0d0e21e |
1954 | *MARK = &sv_undef; |
1955 | SP = MARK; |
79072805 |
1956 | } |
a0d0e21e |
1957 | RETURN; |
79072805 |
1958 | } |
1959 | |
a0d0e21e |
1960 | PP(pp_lslice) |
79072805 |
1961 | { |
1962 | dSP; |
a0d0e21e |
1963 | SV **lastrelem = stack_sp; |
1964 | SV **lastlelem = stack_base + POPMARK; |
1965 | SV **firstlelem = stack_base + POPMARK + 1; |
1966 | register SV **firstrelem = lastlelem + 1; |
1967 | I32 arybase = curcop->cop_arybase; |
4633a7c4 |
1968 | I32 lval = op->op_flags & OPf_MOD; |
1969 | I32 is_something_there = lval; |
79072805 |
1970 | |
a0d0e21e |
1971 | register I32 max = lastrelem - lastlelem; |
1972 | register SV **lelem; |
1973 | register I32 ix; |
1974 | |
1975 | if (GIMME != G_ARRAY) { |
748a9306 |
1976 | ix = SvIVx(*lastlelem); |
1977 | if (ix < 0) |
1978 | ix += max; |
1979 | else |
1980 | ix -= arybase; |
a0d0e21e |
1981 | if (ix < 0 || ix >= max) |
1982 | *firstlelem = &sv_undef; |
1983 | else |
1984 | *firstlelem = firstrelem[ix]; |
1985 | SP = firstlelem; |
1986 | RETURN; |
1987 | } |
1988 | |
1989 | if (max == 0) { |
1990 | SP = firstlelem - 1; |
1991 | RETURN; |
1992 | } |
1993 | |
1994 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { |
748a9306 |
1995 | ix = SvIVx(*lelem); |
a0d0e21e |
1996 | if (ix < 0) { |
1997 | ix += max; |
1998 | if (ix < 0) |
1999 | *lelem = &sv_undef; |
2000 | else if (!(*lelem = firstrelem[ix])) |
2001 | *lelem = &sv_undef; |
79072805 |
2002 | } |
748a9306 |
2003 | else { |
2004 | ix -= arybase; |
2005 | if (ix >= max || !(*lelem = firstrelem[ix])) |
2006 | *lelem = &sv_undef; |
2007 | } |
4633a7c4 |
2008 | if (!is_something_there && (SvOKp(*lelem) || SvGMAGICAL(*lelem))) |
2009 | is_something_there = TRUE; |
79072805 |
2010 | } |
4633a7c4 |
2011 | if (is_something_there) |
2012 | SP = lastlelem; |
2013 | else |
2014 | SP = firstlelem - 1; |
79072805 |
2015 | RETURN; |
2016 | } |
2017 | |
a0d0e21e |
2018 | PP(pp_anonlist) |
2019 | { |
2020 | dSP; dMARK; |
2021 | I32 items = SP - MARK; |
2022 | SP = MARK; |
2023 | XPUSHs((SV*)sv_2mortal((SV*)av_make(items, MARK+1))); |
2024 | RETURN; |
2025 | } |
2026 | |
2027 | PP(pp_anonhash) |
79072805 |
2028 | { |
2029 | dSP; dMARK; dORIGMARK; |
a0d0e21e |
2030 | STRLEN len; |
2031 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
2032 | |
2033 | while (MARK < SP) { |
2034 | SV* key = *++MARK; |
a0d0e21e |
2035 | SV *val = NEWSV(46, 0); |
2036 | if (MARK < SP) |
2037 | sv_setsv(val, *++MARK); |
2038 | else |
2039 | warn("Odd number of elements in hash list"); |
f12c7020 |
2040 | (void)hv_store_ent(hv,key,val,0); |
79072805 |
2041 | } |
a0d0e21e |
2042 | SP = ORIGMARK; |
2043 | XPUSHs((SV*)hv); |
79072805 |
2044 | RETURN; |
2045 | } |
2046 | |
a0d0e21e |
2047 | PP(pp_splice) |
79072805 |
2048 | { |
a0d0e21e |
2049 | dSP; dMARK; dORIGMARK; |
2050 | register AV *ary = (AV*)*++MARK; |
2051 | register SV **src; |
2052 | register SV **dst; |
2053 | register I32 i; |
2054 | register I32 offset; |
2055 | register I32 length; |
2056 | I32 newlen; |
2057 | I32 after; |
2058 | I32 diff; |
2059 | SV **tmparyval = 0; |
79072805 |
2060 | |
a0d0e21e |
2061 | SP++; |
79072805 |
2062 | |
a0d0e21e |
2063 | if (++MARK < SP) { |
2064 | offset = SvIVx(*MARK); |
2065 | if (offset < 0) |
2066 | offset += AvFILL(ary) + 1; |
2067 | else |
2068 | offset -= curcop->cop_arybase; |
2069 | if (++MARK < SP) { |
2070 | length = SvIVx(*MARK++); |
2071 | if (length < 0) |
2072 | length = 0; |
79072805 |
2073 | } |
2074 | else |
a0d0e21e |
2075 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 |
2076 | } |
a0d0e21e |
2077 | else { |
2078 | offset = 0; |
2079 | length = AvMAX(ary) + 1; |
2080 | } |
2081 | if (offset < 0) { |
2082 | length += offset; |
2083 | offset = 0; |
2084 | if (length < 0) |
2085 | length = 0; |
2086 | } |
2087 | if (offset > AvFILL(ary) + 1) |
2088 | offset = AvFILL(ary) + 1; |
2089 | after = AvFILL(ary) + 1 - (offset + length); |
2090 | if (after < 0) { /* not that much array */ |
2091 | length += after; /* offset+length now in array */ |
2092 | after = 0; |
2093 | if (!AvALLOC(ary)) |
2094 | av_extend(ary, 0); |
2095 | } |
2096 | |
2097 | /* At this point, MARK .. SP-1 is our new LIST */ |
2098 | |
2099 | newlen = SP - MARK; |
2100 | diff = newlen - length; |
2101 | |
2102 | if (diff < 0) { /* shrinking the area */ |
2103 | if (newlen) { |
2104 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ |
2105 | Copy(MARK, tmparyval, newlen, SV*); |
79072805 |
2106 | } |
a0d0e21e |
2107 | |
2108 | MARK = ORIGMARK + 1; |
2109 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
2110 | MEXTEND(MARK, length); |
2111 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); |
2112 | if (AvREAL(ary)) { |
2113 | for (i = length, dst = MARK; i; i--) |
2114 | sv_2mortal(*dst++); /* free them eventualy */ |
2115 | } |
2116 | MARK += length - 1; |
79072805 |
2117 | } |
a0d0e21e |
2118 | else { |
2119 | *MARK = AvARRAY(ary)[offset+length-1]; |
2120 | if (AvREAL(ary)) { |
2121 | sv_2mortal(*MARK); |
2122 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2123 | SvREFCNT_dec(*dst++); /* free them now */ |
79072805 |
2124 | } |
a0d0e21e |
2125 | } |
2126 | AvFILL(ary) += diff; |
2127 | |
2128 | /* pull up or down? */ |
2129 | |
2130 | if (offset < after) { /* easier to pull up */ |
2131 | if (offset) { /* esp. if nothing to pull */ |
2132 | src = &AvARRAY(ary)[offset-1]; |
2133 | dst = src - diff; /* diff is negative */ |
2134 | for (i = offset; i > 0; i--) /* can't trust Copy */ |
2135 | *dst-- = *src--; |
79072805 |
2136 | } |
a0d0e21e |
2137 | dst = AvARRAY(ary); |
2138 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ |
2139 | AvMAX(ary) += diff; |
2140 | } |
2141 | else { |
2142 | if (after) { /* anything to pull down? */ |
2143 | src = AvARRAY(ary) + offset + length; |
2144 | dst = src + diff; /* diff is negative */ |
2145 | Move(src, dst, after, SV*); |
79072805 |
2146 | } |
a0d0e21e |
2147 | dst = &AvARRAY(ary)[AvFILL(ary)+1]; |
2148 | /* avoid later double free */ |
2149 | } |
2150 | i = -diff; |
2151 | while (i) |
2152 | dst[--i] = &sv_undef; |
2153 | |
2154 | if (newlen) { |
2155 | for (src = tmparyval, dst = AvARRAY(ary) + offset; |
2156 | newlen; newlen--) { |
2157 | *dst = NEWSV(46, 0); |
2158 | sv_setsv(*dst++, *src++); |
79072805 |
2159 | } |
a0d0e21e |
2160 | Safefree(tmparyval); |
2161 | } |
2162 | } |
2163 | else { /* no, expanding (or same) */ |
2164 | if (length) { |
2165 | New(452, tmparyval, length, SV*); /* so remember deletion */ |
2166 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); |
2167 | } |
2168 | |
2169 | if (diff > 0) { /* expanding */ |
2170 | |
2171 | /* push up or down? */ |
2172 | |
2173 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { |
2174 | if (offset) { |
2175 | src = AvARRAY(ary); |
2176 | dst = src - diff; |
2177 | Move(src, dst, offset, SV*); |
79072805 |
2178 | } |
a0d0e21e |
2179 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
2180 | AvMAX(ary) += diff; |
2181 | AvFILL(ary) += diff; |
79072805 |
2182 | } |
2183 | else { |
a0d0e21e |
2184 | if (AvFILL(ary) + diff >= AvMAX(ary)) /* oh, well */ |
2185 | av_extend(ary, AvFILL(ary) + diff); |
2186 | AvFILL(ary) += diff; |
2187 | |
2188 | if (after) { |
2189 | dst = AvARRAY(ary) + AvFILL(ary); |
2190 | src = dst - diff; |
2191 | for (i = after; i; i--) { |
2192 | *dst-- = *src--; |
2193 | } |
79072805 |
2194 | } |
2195 | } |
a0d0e21e |
2196 | } |
2197 | |
2198 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { |
2199 | *dst = NEWSV(46, 0); |
2200 | sv_setsv(*dst++, *src++); |
2201 | } |
2202 | MARK = ORIGMARK + 1; |
2203 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
2204 | if (length) { |
2205 | Copy(tmparyval, MARK, length, SV*); |
2206 | if (AvREAL(ary)) { |
2207 | for (i = length, dst = MARK; i; i--) |
2208 | sv_2mortal(*dst++); /* free them eventualy */ |
79072805 |
2209 | } |
a0d0e21e |
2210 | Safefree(tmparyval); |
79072805 |
2211 | } |
a0d0e21e |
2212 | MARK += length - 1; |
2213 | } |
2214 | else if (length--) { |
2215 | *MARK = tmparyval[length]; |
2216 | if (AvREAL(ary)) { |
2217 | sv_2mortal(*MARK); |
2218 | while (length-- > 0) |
2219 | SvREFCNT_dec(tmparyval[length]); |
79072805 |
2220 | } |
a0d0e21e |
2221 | Safefree(tmparyval); |
79072805 |
2222 | } |
a0d0e21e |
2223 | else |
2224 | *MARK = &sv_undef; |
79072805 |
2225 | } |
a0d0e21e |
2226 | SP = MARK; |
79072805 |
2227 | RETURN; |
2228 | } |
2229 | |
a0d0e21e |
2230 | PP(pp_push) |
79072805 |
2231 | { |
2232 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e |
2233 | register AV *ary = (AV*)*++MARK; |
2234 | register SV *sv = &sv_undef; |
79072805 |
2235 | |
a0d0e21e |
2236 | for (++MARK; MARK <= SP; MARK++) { |
2237 | sv = NEWSV(51, 0); |
2238 | if (*MARK) |
2239 | sv_setsv(sv, *MARK); |
2240 | av_push(ary, sv); |
79072805 |
2241 | } |
2242 | SP = ORIGMARK; |
a0d0e21e |
2243 | PUSHi( AvFILL(ary) + 1 ); |
79072805 |
2244 | RETURN; |
2245 | } |
2246 | |
a0d0e21e |
2247 | PP(pp_pop) |
79072805 |
2248 | { |
2249 | dSP; |
a0d0e21e |
2250 | AV *av = (AV*)POPs; |
2251 | SV *sv = av_pop(av); |
2252 | if (sv != &sv_undef && AvREAL(av)) |
2253 | (void)sv_2mortal(sv); |
2254 | PUSHs(sv); |
79072805 |
2255 | RETURN; |
79072805 |
2256 | } |
2257 | |
a0d0e21e |
2258 | PP(pp_shift) |
79072805 |
2259 | { |
2260 | dSP; |
a0d0e21e |
2261 | AV *av = (AV*)POPs; |
2262 | SV *sv = av_shift(av); |
79072805 |
2263 | EXTEND(SP, 1); |
a0d0e21e |
2264 | if (!sv) |
79072805 |
2265 | RETPUSHUNDEF; |
a0d0e21e |
2266 | if (sv != &sv_undef && AvREAL(av)) |
2267 | (void)sv_2mortal(sv); |
2268 | PUSHs(sv); |
79072805 |
2269 | RETURN; |
79072805 |
2270 | } |
2271 | |
a0d0e21e |
2272 | PP(pp_unshift) |
79072805 |
2273 | { |
a0d0e21e |
2274 | dSP; dMARK; dORIGMARK; dTARGET; |
2275 | register AV *ary = (AV*)*++MARK; |
2276 | register SV *sv; |
2277 | register I32 i = 0; |
79072805 |
2278 | |
a0d0e21e |
2279 | av_unshift(ary, SP - MARK); |
2280 | while (MARK < SP) { |
2281 | sv = NEWSV(27, 0); |
2282 | sv_setsv(sv, *++MARK); |
2283 | (void)av_store(ary, i++, sv); |
79072805 |
2284 | } |
79072805 |
2285 | |
a0d0e21e |
2286 | SP = ORIGMARK; |
2287 | PUSHi( AvFILL(ary) + 1 ); |
79072805 |
2288 | RETURN; |
79072805 |
2289 | } |
2290 | |
a0d0e21e |
2291 | PP(pp_reverse) |
79072805 |
2292 | { |
a0d0e21e |
2293 | dSP; dMARK; |
2294 | register SV *tmp; |
2295 | SV **oldsp = SP; |
79072805 |
2296 | |
a0d0e21e |
2297 | if (GIMME == G_ARRAY) { |
2298 | MARK++; |
2299 | while (MARK < SP) { |
2300 | tmp = *MARK; |
2301 | *MARK++ = *SP; |
2302 | *SP-- = tmp; |
2303 | } |
2304 | SP = oldsp; |
79072805 |
2305 | } |
2306 | else { |
a0d0e21e |
2307 | register char *up; |
2308 | register char *down; |
2309 | register I32 tmp; |
2310 | dTARGET; |
2311 | STRLEN len; |
79072805 |
2312 | |
a0d0e21e |
2313 | if (SP - MARK > 1) |
2314 | do_join(TARG, &sv_no, MARK, SP); |
2315 | else |
2316 | sv_setsv(TARG, *SP); |
2317 | up = SvPV_force(TARG, len); |
2318 | if (len > 1) { |
2319 | down = SvPVX(TARG) + len - 1; |
2320 | while (down > up) { |
2321 | tmp = *up; |
2322 | *up++ = *down; |
2323 | *down-- = tmp; |
2324 | } |
2325 | (void)SvPOK_only(TARG); |
79072805 |
2326 | } |
a0d0e21e |
2327 | SP = MARK + 1; |
2328 | SETTARG; |
79072805 |
2329 | } |
a0d0e21e |
2330 | RETURN; |
79072805 |
2331 | } |
2332 | |
a0d0e21e |
2333 | /* Explosives and implosives. */ |
2334 | |
2335 | PP(pp_unpack) |
79072805 |
2336 | { |
2337 | dSP; |
a0d0e21e |
2338 | dPOPPOPssrl; |
ed6116ce |
2339 | SV *sv; |
a0d0e21e |
2340 | STRLEN llen; |
2341 | STRLEN rlen; |
2342 | register char *pat = SvPV(left, llen); |
2343 | register char *s = SvPV(right, rlen); |
2344 | char *strend = s + rlen; |
2345 | char *strbeg = s; |
2346 | register char *patend = pat + llen; |
2347 | I32 datumtype; |
2348 | register I32 len; |
2349 | register I32 bits; |
79072805 |
2350 | |
a0d0e21e |
2351 | /* These must not be in registers: */ |
2352 | I16 ashort; |
2353 | int aint; |
2354 | I32 along; |
ecfc5424 |
2355 | #ifdef HAS_QUAD |
2356 | Quad_t aquad; |
a0d0e21e |
2357 | #endif |
2358 | U16 aushort; |
2359 | unsigned int auint; |
2360 | U32 aulong; |
ecfc5424 |
2361 | #ifdef HAS_QUAD |
2362 | unsigned Quad_t auquad; |
a0d0e21e |
2363 | #endif |
2364 | char *aptr; |
2365 | float afloat; |
2366 | double adouble; |
2367 | I32 checksum = 0; |
2368 | register U32 culong; |
2369 | double cdouble; |
2370 | static char* bitcount = 0; |
79072805 |
2371 | |
a0d0e21e |
2372 | if (GIMME != G_ARRAY) { /* arrange to do first one only */ |
2373 | /*SUPPRESS 530*/ |
2374 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; |
748a9306 |
2375 | if (strchr("aAbBhHP", *patend) || *pat == '%') { |
a0d0e21e |
2376 | patend++; |
2377 | while (isDIGIT(*patend) || *patend == '*') |
2378 | patend++; |
2379 | } |
2380 | else |
2381 | patend++; |
79072805 |
2382 | } |
a0d0e21e |
2383 | while (pat < patend) { |
2384 | reparse: |
2385 | datumtype = *pat++; |
2386 | if (pat >= patend) |
2387 | len = 1; |
2388 | else if (*pat == '*') { |
2389 | len = strend - strbeg; /* long enough */ |
2390 | pat++; |
2391 | } |
2392 | else if (isDIGIT(*pat)) { |
2393 | len = *pat++ - '0'; |
2394 | while (isDIGIT(*pat)) |
2395 | len = (len * 10) + (*pat++ - '0'); |
2396 | } |
2397 | else |
2398 | len = (datumtype != '@'); |
2399 | switch(datumtype) { |
2400 | default: |
2401 | break; |
2402 | case '%': |
2403 | if (len == 1 && pat[-1] != '1') |
2404 | len = 16; |
2405 | checksum = len; |
2406 | culong = 0; |
2407 | cdouble = 0; |
2408 | if (pat < patend) |
2409 | goto reparse; |
2410 | break; |
2411 | case '@': |
2412 | if (len > strend - strbeg) |
2413 | DIE("@ outside of string"); |
2414 | s = strbeg + len; |
2415 | break; |
2416 | case 'X': |
2417 | if (len > s - strbeg) |
2418 | DIE("X outside of string"); |
2419 | s -= len; |
2420 | break; |
2421 | case 'x': |
2422 | if (len > strend - s) |
2423 | DIE("x outside of string"); |
2424 | s += len; |
2425 | break; |
2426 | case 'A': |
2427 | case 'a': |
2428 | if (len > strend - s) |
2429 | len = strend - s; |
2430 | if (checksum) |
2431 | goto uchar_checksum; |
2432 | sv = NEWSV(35, len); |
2433 | sv_setpvn(sv, s, len); |
2434 | s += len; |
2435 | if (datumtype == 'A') { |
2436 | aptr = s; /* borrow register */ |
2437 | s = SvPVX(sv) + len - 1; |
2438 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) |
2439 | s--; |
2440 | *++s = '\0'; |
2441 | SvCUR_set(sv, s - SvPVX(sv)); |
2442 | s = aptr; /* unborrow register */ |
2443 | } |
2444 | XPUSHs(sv_2mortal(sv)); |
2445 | break; |
2446 | case 'B': |
2447 | case 'b': |
2448 | if (pat[-1] == '*' || len > (strend - s) * 8) |
2449 | len = (strend - s) * 8; |
2450 | if (checksum) { |
2451 | if (!bitcount) { |
2452 | Newz(601, bitcount, 256, char); |
2453 | for (bits = 1; bits < 256; bits++) { |
2454 | if (bits & 1) bitcount[bits]++; |
2455 | if (bits & 2) bitcount[bits]++; |
2456 | if (bits & 4) bitcount[bits]++; |
2457 | if (bits & 8) bitcount[bits]++; |
2458 | if (bits & 16) bitcount[bits]++; |
2459 | if (bits & 32) bitcount[bits]++; |
2460 | if (bits & 64) bitcount[bits]++; |
2461 | if (bits & 128) bitcount[bits]++; |
2462 | } |
2463 | } |
2464 | while (len >= 8) { |
2465 | culong += bitcount[*(unsigned char*)s++]; |
2466 | len -= 8; |
2467 | } |
2468 | if (len) { |
2469 | bits = *s; |
2470 | if (datumtype == 'b') { |
2471 | while (len-- > 0) { |
2472 | if (bits & 1) culong++; |
2473 | bits >>= 1; |
2474 | } |
2475 | } |
2476 | else { |
2477 | while (len-- > 0) { |
2478 | if (bits & 128) culong++; |
2479 | bits <<= 1; |
2480 | } |
2481 | } |
2482 | } |
79072805 |
2483 | break; |
2484 | } |
a0d0e21e |
2485 | sv = NEWSV(35, len + 1); |
2486 | SvCUR_set(sv, len); |
2487 | SvPOK_on(sv); |
2488 | aptr = pat; /* borrow register */ |
2489 | pat = SvPVX(sv); |
2490 | if (datumtype == 'b') { |
2491 | aint = len; |
2492 | for (len = 0; len < aint; len++) { |
2493 | if (len & 7) /*SUPPRESS 595*/ |
2494 | bits >>= 1; |
2495 | else |
2496 | bits = *s++; |
2497 | *pat++ = '0' + (bits & 1); |
2498 | } |
2499 | } |
2500 | else { |
2501 | aint = len; |
2502 | for (len = 0; len < aint; len++) { |
2503 | if (len & 7) |
2504 | bits <<= 1; |
2505 | else |
2506 | bits = *s++; |
2507 | *pat++ = '0' + ((bits & 128) != 0); |
2508 | } |
2509 | } |
2510 | *pat = '\0'; |
2511 | pat = aptr; /* unborrow register */ |
2512 | XPUSHs(sv_2mortal(sv)); |
2513 | break; |
2514 | case 'H': |
2515 | case 'h': |
2516 | if (pat[-1] == '*' || len > (strend - s) * 2) |
2517 | len = (strend - s) * 2; |
2518 | sv = NEWSV(35, len + 1); |
2519 | SvCUR_set(sv, len); |
2520 | SvPOK_on(sv); |
2521 | aptr = pat; /* borrow register */ |
2522 | pat = SvPVX(sv); |
2523 | if (datumtype == 'h') { |
2524 | aint = len; |
2525 | for (len = 0; len < aint; len++) { |
2526 | if (len & 1) |
2527 | bits >>= 4; |
2528 | else |
2529 | bits = *s++; |
2530 | *pat++ = hexdigit[bits & 15]; |
2531 | } |
2532 | } |
2533 | else { |
2534 | aint = len; |
2535 | for (len = 0; len < aint; len++) { |
2536 | if (len & 1) |
2537 | bits <<= 4; |
2538 | else |
2539 | bits = *s++; |
2540 | *pat++ = hexdigit[(bits >> 4) & 15]; |
2541 | } |
2542 | } |
2543 | *pat = '\0'; |
2544 | pat = aptr; /* unborrow register */ |
2545 | XPUSHs(sv_2mortal(sv)); |
2546 | break; |
2547 | case 'c': |
2548 | if (len > strend - s) |
2549 | len = strend - s; |
2550 | if (checksum) { |
2551 | while (len-- > 0) { |
2552 | aint = *s++; |
2553 | if (aint >= 128) /* fake up signed chars */ |
2554 | aint -= 256; |
2555 | culong += aint; |
2556 | } |
2557 | } |
2558 | else { |
2559 | EXTEND(SP, len); |
2560 | while (len-- > 0) { |
2561 | aint = *s++; |
2562 | if (aint >= 128) /* fake up signed chars */ |
2563 | aint -= 256; |
2564 | sv = NEWSV(36, 0); |
2565 | sv_setiv(sv, (I32)aint); |
2566 | PUSHs(sv_2mortal(sv)); |
2567 | } |
2568 | } |
2569 | break; |
2570 | case 'C': |
2571 | if (len > strend - s) |
2572 | len = strend - s; |
2573 | if (checksum) { |
2574 | uchar_checksum: |
2575 | while (len-- > 0) { |
2576 | auint = *s++ & 255; |
2577 | culong += auint; |
2578 | } |
2579 | } |
2580 | else { |
2581 | EXTEND(SP, len); |
2582 | while (len-- > 0) { |
2583 | auint = *s++ & 255; |
2584 | sv = NEWSV(37, 0); |
2585 | sv_setiv(sv, (I32)auint); |
2586 | PUSHs(sv_2mortal(sv)); |
2587 | } |
2588 | } |
2589 | break; |
2590 | case 's': |
2591 | along = (strend - s) / sizeof(I16); |
2592 | if (len > along) |
2593 | len = along; |
2594 | if (checksum) { |
2595 | while (len-- > 0) { |
2596 | Copy(s, &ashort, 1, I16); |
2597 | s += sizeof(I16); |
2598 | culong += ashort; |
2599 | } |
2600 | } |
2601 | else { |
2602 | EXTEND(SP, len); |
2603 | while (len-- > 0) { |
2604 | Copy(s, &ashort, 1, I16); |
2605 | s += sizeof(I16); |
2606 | sv = NEWSV(38, 0); |
2607 | sv_setiv(sv, (I32)ashort); |
2608 | PUSHs(sv_2mortal(sv)); |
2609 | } |
2610 | } |
2611 | break; |
2612 | case 'v': |
2613 | case 'n': |
2614 | case 'S': |
2615 | along = (strend - s) / sizeof(U16); |
2616 | if (len > along) |
2617 | len = along; |
2618 | if (checksum) { |
2619 | while (len-- > 0) { |
2620 | Copy(s, &aushort, 1, U16); |
2621 | s += sizeof(U16); |
2622 | #ifdef HAS_NTOHS |
2623 | if (datumtype == 'n') |
2624 | aushort = ntohs(aushort); |
79072805 |
2625 | #endif |
a0d0e21e |
2626 | #ifdef HAS_VTOHS |
2627 | if (datumtype == 'v') |
2628 | aushort = vtohs(aushort); |
79072805 |
2629 | #endif |
a0d0e21e |
2630 | culong += aushort; |
2631 | } |
2632 | } |
2633 | else { |
2634 | EXTEND(SP, len); |
2635 | while (len-- > 0) { |
2636 | Copy(s, &aushort, 1, U16); |
2637 | s += sizeof(U16); |
2638 | sv = NEWSV(39, 0); |
2639 | #ifdef HAS_NTOHS |
2640 | if (datumtype == 'n') |
2641 | aushort = ntohs(aushort); |
79072805 |
2642 | #endif |
a0d0e21e |
2643 | #ifdef HAS_VTOHS |
2644 | if (datumtype == 'v') |
2645 | aushort = vtohs(aushort); |
79072805 |
2646 | #endif |
a0d0e21e |
2647 | sv_setiv(sv, (I32)aushort); |
2648 | PUSHs(sv_2mortal(sv)); |
2649 | } |
2650 | } |
2651 | break; |
2652 | case 'i': |
2653 | along = (strend - s) / sizeof(int); |
2654 | if (len > along) |
2655 | len = along; |
2656 | if (checksum) { |
2657 | while (len-- > 0) { |
2658 | Copy(s, &aint, 1, int); |
2659 | s += sizeof(int); |
2660 | if (checksum > 32) |
2661 | cdouble += (double)aint; |
2662 | else |
2663 | culong += aint; |
2664 | } |
2665 | } |
2666 | else { |
2667 | EXTEND(SP, len); |
2668 | while (len-- > 0) { |
2669 | Copy(s, &aint, 1, int); |
2670 | s += sizeof(int); |
2671 | sv = NEWSV(40, 0); |
2672 | sv_setiv(sv, (I32)aint); |
2673 | PUSHs(sv_2mortal(sv)); |
2674 | } |
2675 | } |
2676 | break; |
2677 | case 'I': |
2678 | along = (strend - s) / sizeof(unsigned int); |
2679 | if (len > along) |
2680 | len = along; |
2681 | if (checksum) { |
2682 | while (len-- > 0) { |
2683 | Copy(s, &auint, 1, unsigned int); |
2684 | s += sizeof(unsigned int); |
2685 | if (checksum > 32) |
2686 | cdouble += (double)auint; |
2687 | else |
2688 | culong += auint; |
2689 | } |
2690 | } |
2691 | else { |
2692 | EXTEND(SP, len); |
2693 | while (len-- > 0) { |
2694 | Copy(s, &auint, 1, unsigned int); |
2695 | s += sizeof(unsigned int); |
2696 | sv = NEWSV(41, 0); |
1e11cddc |
2697 | if (auint <= I32_MAX) |
2698 | sv_setiv(sv, (I32)auint); |
2699 | else |
2700 | sv_setnv(sv, (double)auint); |
a0d0e21e |
2701 | PUSHs(sv_2mortal(sv)); |
2702 | } |
2703 | } |
2704 | break; |
2705 | case 'l': |
2706 | along = (strend - s) / sizeof(I32); |
2707 | if (len > along) |
2708 | len = along; |
2709 | if (checksum) { |
2710 | while (len-- > 0) { |
2711 | Copy(s, &along, 1, I32); |
2712 | s += sizeof(I32); |
2713 | if (checksum > 32) |
2714 | cdouble += (double)along; |
2715 | else |
2716 | culong += along; |
2717 | } |
2718 | } |
2719 | else { |
2720 | EXTEND(SP, len); |
2721 | while (len-- > 0) { |
2722 | Copy(s, &along, 1, I32); |
2723 | s += sizeof(I32); |
2724 | sv = NEWSV(42, 0); |
2725 | sv_setiv(sv, (I32)along); |
2726 | PUSHs(sv_2mortal(sv)); |
2727 | } |
79072805 |
2728 | } |
a0d0e21e |
2729 | break; |
2730 | case 'V': |
2731 | case 'N': |
2732 | case 'L': |
2733 | along = (strend - s) / sizeof(U32); |
2734 | if (len > along) |
2735 | len = along; |
2736 | if (checksum) { |
2737 | while (len-- > 0) { |
2738 | Copy(s, &aulong, 1, U32); |
2739 | s += sizeof(U32); |
2740 | #ifdef HAS_NTOHL |
2741 | if (datumtype == 'N') |
2742 | aulong = ntohl(aulong); |
79072805 |
2743 | #endif |
a0d0e21e |
2744 | #ifdef HAS_VTOHL |
2745 | if (datumtype == 'V') |
2746 | aulong = vtohl(aulong); |
79072805 |
2747 | #endif |
a0d0e21e |
2748 | if (checksum > 32) |
2749 | cdouble += (double)aulong; |
2750 | else |
2751 | culong += aulong; |
2752 | } |
2753 | } |
2754 | else { |
2755 | EXTEND(SP, len); |
2756 | while (len-- > 0) { |
2757 | Copy(s, &aulong, 1, U32); |
2758 | s += sizeof(U32); |
2759 | sv = NEWSV(43, 0); |
2760 | #ifdef HAS_NTOHL |
2761 | if (datumtype == 'N') |
2762 | aulong = ntohl(aulong); |
79072805 |
2763 | #endif |
a0d0e21e |
2764 | #ifdef HAS_VTOHL |
2765 | if (datumtype == 'V') |
2766 | aulong = vtohl(aulong); |
79072805 |
2767 | #endif |
a0d0e21e |
2768 | sv_setnv(sv, (double)aulong); |
2769 | PUSHs(sv_2mortal(sv)); |
2770 | } |
2771 | } |
2772 | break; |
2773 | case 'p': |
2774 | along = (strend - s) / sizeof(char*); |
2775 | if (len > along) |
2776 | len = along; |
2777 | EXTEND(SP, len); |
2778 | while (len-- > 0) { |
2779 | if (sizeof(char*) > strend - s) |
2780 | break; |
2781 | else { |
2782 | Copy(s, &aptr, 1, char*); |
2783 | s += sizeof(char*); |
2784 | } |
2785 | sv = NEWSV(44, 0); |
2786 | if (aptr) |
2787 | sv_setpv(sv, aptr); |
2788 | PUSHs(sv_2mortal(sv)); |
2789 | } |
2790 | break; |
def98dd4 |
2791 | case 'w': |
2792 | along = (strend - s) / sizeof(char); |
2793 | if (len > along) |
2794 | len = along; |
2795 | EXTEND(SP, len); |
2796 | { |
2797 | I8 bytes = 0; |
2798 | |
2799 | auint = 0; |
2800 | while (len > 0) { |
2801 | if (s >= strend) { |
2802 | if (auint) { |
2803 | DIE("Unterminated compressed integer"); |
2804 | } else { |
2805 | break; |
2806 | } |
2807 | } |
2808 | auint = (auint << 7) | (*s & 0x7f); |
2809 | if (!(*s & 0x80)) { |
2810 | sv = NEWSV(40, 0); |
2811 | sv_setiv(sv, (I32) auint); |
2812 | PUSHs(sv_2mortal(sv)); |
2813 | len--; |
2814 | auint = 0; |
2815 | bytes = 0; |
2816 | } else if (++bytes >= sizeof(auint)) { /* promote to double */ |
2817 | adouble = auint; |
2818 | |
2819 | while (*s & 0x80) { |
2820 | adouble = (adouble * 128) + (*(++s) & 0x7f); |
2821 | if (s >= strend) { |
2822 | DIE("Unterminated compressed integer"); |
2823 | } |
2824 | } |
2825 | sv = NEWSV(40, 0); |
2826 | sv_setnv(sv, adouble); |
2827 | PUSHs(sv_2mortal(sv)); |
2828 | len--; |
2829 | auint = 0; |
2830 | bytes = 0; |
2831 | } |
2832 | s++; |
2833 | } |
2834 | } |
2835 | break; |
a0d0e21e |
2836 | case 'P': |
2837 | EXTEND(SP, 1); |
2838 | if (sizeof(char*) > strend - s) |
2839 | break; |
2840 | else { |
2841 | Copy(s, &aptr, 1, char*); |
2842 | s += sizeof(char*); |
2843 | } |
2844 | sv = NEWSV(44, 0); |
2845 | if (aptr) |
2846 | sv_setpvn(sv, aptr, len); |
2847 | PUSHs(sv_2mortal(sv)); |
2848 | break; |
ecfc5424 |
2849 | #ifdef HAS_QUAD |
a0d0e21e |
2850 | case 'q': |
2851 | EXTEND(SP, len); |
2852 | while (len-- > 0) { |
ecfc5424 |
2853 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e |
2854 | aquad = 0; |
2855 | else { |
ecfc5424 |
2856 | Copy(s, &aquad, 1, Quad_t); |
2857 | s += sizeof(Quad_t); |
a0d0e21e |
2858 | } |
2859 | sv = NEWSV(42, 0); |
2860 | sv_setiv(sv, (IV)aquad); |
2861 | PUSHs(sv_2mortal(sv)); |
2862 | } |
2863 | break; |
2864 | case 'Q': |
2865 | EXTEND(SP, len); |
2866 | while (len-- > 0) { |
ecfc5424 |
2867 | if (s + sizeof(unsigned Quad_t) > strend) |
a0d0e21e |
2868 | auquad = 0; |
2869 | else { |
ecfc5424 |
2870 | Copy(s, &auquad, 1, unsigned Quad_t); |
2871 | s += sizeof(unsigned Quad_t); |
a0d0e21e |
2872 | } |
2873 | sv = NEWSV(43, 0); |
2874 | sv_setiv(sv, (IV)auquad); |
2875 | PUSHs(sv_2mortal(sv)); |
2876 | } |
2877 | break; |
79072805 |
2878 | #endif |
a0d0e21e |
2879 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
2880 | case 'f': |
2881 | case 'F': |
2882 | along = (strend - s) / sizeof(float); |
2883 | if (len > along) |
2884 | len = along; |
2885 | if (checksum) { |
2886 | while (len-- > 0) { |
2887 | Copy(s, &afloat, 1, float); |
2888 | s += sizeof(float); |
2889 | cdouble += afloat; |
2890 | } |
2891 | } |
2892 | else { |
2893 | EXTEND(SP, len); |
2894 | while (len-- > 0) { |
2895 | Copy(s, &afloat, 1, float); |
2896 | s += sizeof(float); |
2897 | sv = NEWSV(47, 0); |
2898 | sv_setnv(sv, (double)afloat); |
2899 | PUSHs(sv_2mortal(sv)); |
2900 | } |
2901 | } |
2902 | break; |
2903 | case 'd': |
2904 | case 'D': |
2905 | along = (strend - s) / sizeof(double); |
2906 | if (len > along) |
2907 | len = along; |
2908 | if (checksum) { |
2909 | while (len-- > 0) { |
2910 | Copy(s, &adouble, 1, double); |
2911 | s += sizeof(double); |
2912 | cdouble += adouble; |
2913 | } |
2914 | } |
2915 | else { |
2916 | EXTEND(SP, len); |
2917 | while (len-- > 0) { |
2918 | Copy(s, &adouble, 1, double); |
2919 | s += sizeof(double); |
2920 | sv = NEWSV(48, 0); |
2921 | sv_setnv(sv, (double)adouble); |
2922 | PUSHs(sv_2mortal(sv)); |
2923 | } |
2924 | } |
2925 | break; |
2926 | case 'u': |
2927 | along = (strend - s) * 3 / 4; |
2928 | sv = NEWSV(42, along); |
f12c7020 |
2929 | if (along) |
2930 | SvPOK_on(sv); |
a0d0e21e |
2931 | while (s < strend && *s > ' ' && *s < 'a') { |
2932 | I32 a, b, c, d; |
2933 | char hunk[4]; |
79072805 |
2934 | |
a0d0e21e |
2935 | hunk[3] = '\0'; |
2936 | len = (*s++ - ' ') & 077; |
2937 | while (len > 0) { |
2938 | if (s < strend && *s >= ' ') |
2939 | a = (*s++ - ' ') & 077; |
2940 | else |
2941 | a = 0; |
2942 | if (s < strend && *s >= ' ') |
2943 | b = (*s++ - ' ') & 077; |
2944 | else |
2945 | b = 0; |
2946 | if (s < strend && *s >= ' ') |
2947 | c = (*s++ - ' ') & 077; |
2948 | else |
2949 | c = 0; |
2950 | if (s < strend && *s >= ' ') |
2951 | d = (*s++ - ' ') & 077; |
2952 | else |
2953 | d = 0; |
2954 | hunk[0] = a << 2 | b >> 4; |
2955 | hunk[1] = b << 4 | c >> 2; |
2956 | hunk[2] = c << 6 | d; |
2957 | sv_catpvn(sv, hunk, len > 3 ? 3 : len); |
2958 | len -= 3; |
2959 | } |
2960 | if (*s == '\n') |
2961 | s++; |
2962 | else if (s[1] == '\n') /* possible checksum byte */ |
2963 | s += 2; |
79072805 |
2964 | } |
a0d0e21e |
2965 | XPUSHs(sv_2mortal(sv)); |
2966 | break; |
79072805 |
2967 | } |
a0d0e21e |
2968 | if (checksum) { |
2969 | sv = NEWSV(42, 0); |
2970 | if (strchr("fFdD", datumtype) || |
2971 | (checksum > 32 && strchr("iIlLN", datumtype)) ) { |
2972 | double trouble; |
79072805 |
2973 | |
a0d0e21e |
2974 | adouble = 1.0; |
2975 | while (checksum >= 16) { |
2976 | checksum -= 16; |
2977 | adouble *= 65536.0; |
2978 | } |
2979 | while (checksum >= 4) { |
2980 | checksum -= 4; |
2981 | adouble *= 16.0; |
2982 | } |
2983 | while (checksum--) |
2984 | adouble *= 2.0; |
2985 | along = (1 << checksum) - 1; |
2986 | while (cdouble < 0.0) |
2987 | cdouble += adouble; |
2988 | cdouble = modf(cdouble / adouble, &trouble) * adouble; |
2989 | sv_setnv(sv, cdouble); |
2990 | } |
2991 | else { |
2992 | if (checksum < 32) { |
2993 | along = (1 << checksum) - 1; |
2994 | culong &= (U32)along; |
2995 | } |
2996 | sv_setnv(sv, (double)culong); |
2997 | } |
2998 | XPUSHs(sv_2mortal(sv)); |
2999 | checksum = 0; |
79072805 |
3000 | } |
79072805 |
3001 | } |
79072805 |
3002 | RETURN; |
79072805 |
3003 | } |
3004 | |
a0d0e21e |
3005 | static void |
3006 | doencodes(sv, s, len) |
3007 | register SV *sv; |
3008 | register char *s; |
3009 | register I32 len; |
79072805 |
3010 | { |
a0d0e21e |
3011 | char hunk[5]; |
79072805 |
3012 | |
a0d0e21e |
3013 | *hunk = len + ' '; |
3014 | sv_catpvn(sv, hunk, 1); |
3015 | hunk[4] = '\0'; |
3016 | while (len > 0) { |
3017 | hunk[0] = ' ' + (077 & (*s >> 2)); |
3018 | hunk[1] = ' ' + (077 & ((*s << 4) & 060 | (s[1] >> 4) & 017)); |
3019 | hunk[2] = ' ' + (077 & ((s[1] << 2) & 074 | (s[2] >> 6) & 03)); |
3020 | hunk[3] = ' ' + (077 & (s[2] & 077)); |
3021 | sv_catpvn(sv, hunk, 4); |
3022 | s += 3; |
3023 | len -= 3; |
3024 | } |
3025 | for (s = SvPVX(sv); *s; s++) { |
3026 | if (*s == ' ') |
3027 | *s = '`'; |
3028 | } |
3029 | sv_catpvn(sv, "\n", 1); |
79072805 |
3030 | } |
3031 | |
a0d0e21e |
3032 | PP(pp_pack) |
79072805 |
3033 | { |
a0d0e21e |
3034 | dSP; dMARK; dORIGMARK; dTARGET; |
3035 | register SV *cat = TARG; |
3036 | register I32 items; |
3037 | STRLEN fromlen; |
3038 | register char *pat = SvPVx(*++MARK, fromlen); |
3039 | register char *patend = pat + fromlen; |
3040 | register I32 len; |
3041 | I32 datumtype; |
3042 | SV *fromstr; |
3043 | /*SUPPRESS 442*/ |
3044 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; |
3045 | static char *space10 = " "; |
79072805 |
3046 | |
a0d0e21e |
3047 | /* These must not be in registers: */ |
3048 | char achar; |
3049 | I16 ashort; |
3050 | int aint; |
3051 | unsigned int auint; |
3052 | I32 along; |
3053 | U32 aulong; |
ecfc5424 |
3054 | #ifdef HAS_QUAD |
3055 | Quad_t aquad; |
3056 | unsigned Quad_t auquad; |
79072805 |
3057 | #endif |
a0d0e21e |
3058 | char *aptr; |
3059 | float afloat; |
3060 | double adouble; |
79072805 |
3061 | |
a0d0e21e |
3062 | items = SP - MARK; |
3063 | MARK++; |
3064 | sv_setpvn(cat, "", 0); |
3065 | while (pat < patend) { |
3066 | #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no) |
3067 | datumtype = *pat++; |
3068 | if (*pat == '*') { |
3069 | len = strchr("@Xxu", datumtype) ? 0 : items; |
3070 | pat++; |
3071 | } |
3072 | else if (isDIGIT(*pat)) { |
3073 | len = *pat++ - '0'; |
3074 | while (isDIGIT(*pat)) |
3075 | len = (len * 10) + (*pat++ - '0'); |
3076 | } |
3077 | else |
3078 | len = 1; |
3079 | switch(datumtype) { |
3080 | default: |
3081 | break; |
3082 | case '%': |
3083 | DIE("%% may only be used in unpack"); |
3084 | case '@': |
3085 | len -= SvCUR(cat); |
3086 | if (len > 0) |
3087 | goto grow; |
3088 | len = -len; |
3089 | if (len > 0) |
3090 | goto shrink; |
3091 | break; |
3092 | case 'X': |
3093 | shrink: |
3094 | if (SvCUR(cat) < len) |
3095 | DIE("X outside of string"); |
3096 | SvCUR(cat) -= len; |
3097 | *SvEND(cat) = '\0'; |
3098 | break; |
3099 | case 'x': |
3100 | grow: |
3101 | while (len >= 10) { |
3102 | sv_catpvn(cat, null10, 10); |
3103 | len -= 10; |
3104 | } |
3105 | sv_catpvn(cat, null10, len); |
3106 | break; |
3107 | case 'A': |
3108 | case 'a': |
3109 | fromstr = NEXTFROM; |
3110 | aptr = SvPV(fromstr, fromlen); |
3111 | if (pat[-1] == '*') |
3112 | len = fromlen; |
3113 | if (fromlen > len) |
3114 | sv_catpvn(cat, aptr, len); |
3115 | else { |
3116 | sv_catpvn(cat, aptr, fromlen); |
3117 | len -= fromlen; |
3118 | if (datumtype == 'A') { |
3119 | while (len >= 10) { |
3120 | sv_catpvn(cat, space10, 10); |
3121 | len -= 10; |
3122 | } |
3123 | sv_catpvn(cat, space10, len); |
3124 | } |
3125 | else { |
3126 | while (len >= 10) { |
3127 | sv_catpvn(cat, null10, 10); |
3128 | len -= 10; |
3129 | } |
3130 | sv_catpvn(cat, null10, len); |
3131 | } |
3132 | } |
3133 | break; |
3134 | case 'B': |
3135 | case 'b': |
3136 | { |
3137 | char *savepat = pat; |
3138 | I32 saveitems; |
79072805 |
3139 | |
a0d0e21e |
3140 | fromstr = NEXTFROM; |
3141 | saveitems = items; |
3142 | aptr = SvPV(fromstr, fromlen); |
3143 | if (pat[-1] == '*') |
3144 | len = fromlen; |
3145 | pat = aptr; |
3146 | aint = SvCUR(cat); |
3147 | SvCUR(cat) += (len+7)/8; |
3148 | SvGROW(cat, SvCUR(cat) + 1); |
3149 | aptr = SvPVX(cat) + aint; |
3150 | if (len > fromlen) |
3151 | len = fromlen; |
3152 | aint = len; |
3153 | items = 0; |
3154 | if (datumtype == 'B') { |
3155 | for (len = 0; len++ < aint;) { |
3156 | items |= *pat++ & 1; |
3157 | if (len & 7) |
3158 | items <<= 1; |
3159 | else { |
3160 | *aptr++ = items & 0xff; |
3161 | items = 0; |
3162 | } |
3163 | } |
3164 | } |
3165 | else { |
3166 | for (len = 0; len++ < aint;) { |
3167 | if (*pat++ & 1) |
3168 | items |= 128; |
3169 | if (len & 7) |
3170 | items >>= 1; |
3171 | else { |
3172 | *aptr++ = items & 0xff; |
3173 | items = 0; |
3174 | } |
3175 | } |
3176 | } |
3177 | if (aint & 7) { |
3178 | if (datumtype == 'B') |
3179 | items <<= 7 - (aint & 7); |
3180 | else |
3181 | items >>= 7 - (aint & 7); |
3182 | *aptr++ = items & 0xff; |
3183 | } |
3184 | pat = SvPVX(cat) + SvCUR(cat); |
3185 | while (aptr <= pat) |
3186 | *aptr++ = '\0'; |
79072805 |
3187 | |
a0d0e21e |
3188 | pat = savepat; |
3189 | items = saveitems; |
3190 | } |
3191 | break; |
3192 | case 'H': |
3193 | case 'h': |
3194 | { |
3195 | char *savepat = pat; |
3196 | I32 saveitems; |
79072805 |
3197 | |
a0d0e21e |
3198 | fromstr = NEXTFROM; |
3199 | saveitems = items; |
3200 | aptr = SvPV(fromstr, fromlen); |
3201 | if (pat[-1] == '*') |
3202 | len = fromlen; |
3203 | pat = aptr; |
3204 | aint = SvCUR(cat); |
3205 | SvCUR(cat) += (len+1)/2; |
3206 | SvGROW(cat, SvCUR(cat) + 1); |
3207 | aptr = SvPVX(cat) + aint; |
3208 | if (len > fromlen) |
3209 | len = fromlen; |
3210 | aint = len; |
3211 | items = 0; |
3212 | if (datumtype == 'H') { |
3213 | for (len = 0; len++ < aint;) { |
3214 | if (isALPHA(*pat)) |
3215 | items |= ((*pat++ & 15) + 9) & 15; |
3216 | else |
3217 | items |= *pat++ & 15; |
3218 | if (len & 1) |
3219 | items <<= 4; |
3220 | else { |
3221 | *aptr++ = items & 0xff; |
3222 | items = 0; |
3223 | } |
3224 | } |
3225 | } |
3226 | else { |
3227 | for (len = 0; len++ < aint;) { |
3228 | if (isALPHA(*pat)) |
3229 | items |= (((*pat++ & 15) + 9) & 15) << 4; |
3230 | else |
3231 | items |= (*pat++ & 15) << 4; |
3232 | if (len & 1) |
3233 | items >>= 4; |
3234 | else { |
3235 | *aptr++ = items & 0xff; |
3236 | items = 0; |
3237 | } |
3238 | } |
3239 | } |
3240 | if (aint & 1) |
3241 | *aptr++ = items & 0xff; |
3242 | pat = SvPVX(cat) + SvCUR(cat); |
3243 | while (aptr <= pat) |
3244 | *aptr++ = '\0'; |
79072805 |
3245 | |
a0d0e21e |
3246 | pat = savepat; |
3247 | items = saveitems; |
3248 | } |
3249 | break; |
3250 | case 'C': |
3251 | case 'c': |
3252 | while (len-- > 0) { |
3253 | fromstr = NEXTFROM; |
3254 | aint = SvIV(fromstr); |
3255 | achar = aint; |
3256 | sv_catpvn(cat, &achar, sizeof(char)); |
3257 | } |
3258 | break; |
3259 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ |
3260 | case 'f': |
3261 | case 'F': |
3262 | while (len-- > 0) { |
3263 | fromstr = NEXTFROM; |
3264 | afloat = (float)SvNV(fromstr); |
3265 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); |
3266 | } |
3267 | break; |
3268 | case 'd': |
3269 | case 'D': |
3270 | while (len-- > 0) { |
3271 | fromstr = NEXTFROM; |
3272 | adouble = (double)SvNV(fromstr); |
3273 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); |
3274 | } |
3275 | break; |
3276 | case 'n': |
3277 | while (len-- > 0) { |
3278 | fromstr = NEXTFROM; |
3279 | ashort = (I16)SvIV(fromstr); |
3280 | #ifdef HAS_HTONS |
3281 | ashort = htons(ashort); |
79072805 |
3282 | #endif |
a0d0e21e |
3283 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3284 | } |
3285 | break; |
3286 | case 'v': |
3287 | while (len-- > 0) { |
3288 | fromstr = NEXTFROM; |
3289 | ashort = (I16)SvIV(fromstr); |
3290 | #ifdef HAS_HTOVS |
3291 | ashort = htovs(ashort); |
79072805 |
3292 | #endif |
a0d0e21e |
3293 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3294 | } |
3295 | break; |
3296 | case 'S': |
3297 | case 's': |
3298 | while (len-- > 0) { |
3299 | fromstr = NEXTFROM; |
3300 | ashort = (I16)SvIV(fromstr); |
3301 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3302 | } |
3303 | break; |
3304 | case 'I': |
3305 | while (len-- > 0) { |
3306 | fromstr = NEXTFROM; |
3307 | auint = U_I(SvNV(fromstr)); |
3308 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
3309 | } |
3310 | break; |
def98dd4 |
3311 | case 'w': |
3312 | while (len-- > 0) { |
3313 | fromstr = NEXTFROM; |
3314 | adouble = floor((double)SvNV(fromstr)); |
3315 | |
3316 | if (adouble < 268435456) { /* we can use integers */ |
3317 | unsigned char buf[4]; /* buffer for compressed int */ |
3318 | unsigned char *in = buf + 3; |
3319 | auint = U_I(adouble); |
3320 | do { |
3321 | *(in--) = (unsigned char) ((auint & 0x7f) | 0x80); |
3322 | auint >>= 7; |
3323 | } while (auint); |
3324 | buf[3] &= 0x7f; /* clear continue bit */ |
3325 | sv_catpvn(cat, (char*) in+1, buf+3-in); |
3326 | } else { |
3327 | unsigned char buf[sizeof(double)*2]; /* buffer for compressed int */ |
3328 | I8 msize = sizeof(double)*2; /* 8/7 would be enough */ |
3329 | unsigned char *in = buf + msize -1; |
3330 | if (adouble<0) { |
3331 | croak("Cannot compress negative numbers"); |
3332 | } |
3333 | do { |
3334 | double next = adouble/128; |
3335 | *in = (unsigned char) (adouble - floor(next)*128); |
3336 | *in |= 0x80; /* set continue bit */ |
3337 | if (--in < buf) { /* this cannot happen ;-) */ |
3338 | croak ("Cannot compress integer"); |
3339 | } |
3340 | adouble = next; |
3341 | } while (floor(adouble)>0); /* floor() not necessary? */ |
3342 | buf[msize-1] &= 0x7f; /* clear continue bit */ |
3343 | sv_catpvn(cat, (char*) in+1, buf+msize-in-1); |
3344 | } |
3345 | } |
3346 | break; |
a0d0e21e |
3347 | case 'i': |
3348 | while (len-- > 0) { |
3349 | fromstr = NEXTFROM; |
3350 | aint = SvIV(fromstr); |
3351 | sv_catpvn(cat, (char*)&aint, sizeof(int)); |
3352 | } |
3353 | break; |
3354 | case 'N': |
3355 | while (len-- > 0) { |
3356 | fromstr = NEXTFROM; |
3357 | aulong = U_L(SvNV(fromstr)); |
3358 | #ifdef HAS_HTONL |
3359 | aulong = htonl(aulong); |
79072805 |
3360 | #endif |
a0d0e21e |
3361 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3362 | } |
3363 | break; |
3364 | case 'V': |
3365 | while (len-- > 0) { |
3366 | fromstr = NEXTFROM; |
3367 | aulong = U_L(SvNV(fromstr)); |
3368 | #ifdef HAS_HTOVL |
3369 | aulong = htovl(aulong); |
79072805 |
3370 | #endif |
a0d0e21e |
3371 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3372 | } |
3373 | break; |
3374 | case 'L': |
3375 | while (len-- > 0) { |
3376 | fromstr = NEXTFROM; |
3377 | aulong = U_L(SvNV(fromstr)); |
3378 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3379 | } |
3380 | break; |
3381 | case 'l': |
3382 | while (len-- > 0) { |
3383 | fromstr = NEXTFROM; |
3384 | along = SvIV(fromstr); |
3385 | sv_catpvn(cat, (char*)&along, sizeof(I32)); |
3386 | } |
3387 | break; |
ecfc5424 |
3388 | #ifdef HAS_QUAD |
a0d0e21e |
3389 | case 'Q': |
3390 | while (len-- > 0) { |
3391 | fromstr = NEXTFROM; |
ecfc5424 |
3392 | auquad = (unsigned Quad_t)SvIV(fromstr); |
3393 | sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t)); |
a0d0e21e |
3394 | } |
3395 | break; |
3396 | case 'q': |
3397 | while (len-- > 0) { |
3398 | fromstr = NEXTFROM; |
ecfc5424 |
3399 | aquad = (Quad_t)SvIV(fromstr); |
3400 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); |
a0d0e21e |
3401 | } |
3402 | break; |
ecfc5424 |
3403 | #endif /* HAS_QUAD */ |
a0d0e21e |
3404 | case 'P': |
3405 | len = 1; /* assume SV is correct length */ |
3406 | /* FALL THROUGH */ |
3407 | case 'p': |
3408 | while (len-- > 0) { |
3409 | fromstr = NEXTFROM; |
3410 | aptr = SvPV_force(fromstr, na); /* XXX Error if TEMP? */ |
3411 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
3412 | } |
3413 | break; |
3414 | case 'u': |
3415 | fromstr = NEXTFROM; |
3416 | aptr = SvPV(fromstr, fromlen); |
3417 | SvGROW(cat, fromlen * 4 / 3); |
3418 | if (len <= 1) |
3419 | len = 45; |
3420 | else |
3421 | len = len / 3 * 3; |
3422 | while (fromlen > 0) { |
3423 | I32 todo; |
79072805 |
3424 | |
a0d0e21e |
3425 | if (fromlen > len) |
3426 | todo = len; |
3427 | else |
3428 | todo = fromlen; |
3429 | doencodes(cat, aptr, todo); |
3430 | fromlen -= todo; |
3431 | aptr += todo; |
3432 | } |
3433 | break; |
3434 | } |
3435 | } |
3436 | SvSETMAGIC(cat); |
3437 | SP = ORIGMARK; |
3438 | PUSHs(cat); |
3439 | RETURN; |
79072805 |
3440 | } |
a0d0e21e |
3441 | #undef NEXTFROM |
79072805 |
3442 | |
a0d0e21e |
3443 | PP(pp_split) |
79072805 |
3444 | { |
a0d0e21e |
3445 | dSP; dTARG; |
3446 | AV *ary; |
3447 | register I32 limit = POPi; /* note, negative is forever */ |
3448 | SV *sv = POPs; |
3449 | STRLEN len; |
3450 | register char *s = SvPV(sv, len); |
3451 | char *strend = s + len; |
3452 | register PMOP *pm = (PMOP*)POPs; |
3453 | register SV *dstr; |
3454 | register char *m; |
3455 | I32 iters = 0; |
3456 | I32 maxiters = (strend - s) + 10; |
3457 | I32 i; |
3458 | char *orig; |
3459 | I32 origlimit = limit; |
3460 | I32 realarray = 0; |
3461 | I32 base; |
f12c7020 |
3462 | AV *oldstack = curstack; |
a0d0e21e |
3463 | register REGEXP *rx = pm->op_pmregexp; |
3464 | I32 gimme = GIMME; |
c07a80fd |
3465 | I32 oldsave = savestack_ix; |
79072805 |
3466 | |
a0d0e21e |
3467 | if (!pm || !s) |
3468 | DIE("panic: do_split"); |
3469 | if (pm->op_pmreplroot) |
3470 | ary = GvAVn((GV*)pm->op_pmreplroot); |
3471 | else if (gimme != G_ARRAY) |
3472 | ary = GvAVn(defgv); |
79072805 |
3473 | else |
a0d0e21e |
3474 | ary = Nullav; |
3475 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { |
3476 | realarray = 1; |
3477 | if (!AvREAL(ary)) { |
3478 | AvREAL_on(ary); |
3479 | for (i = AvFILL(ary); i >= 0; i--) |
3480 | AvARRAY(ary)[i] = &sv_undef; /* don't free mere refs */ |
79072805 |
3481 | } |
a0d0e21e |
3482 | av_extend(ary,0); |
3483 | av_clear(ary); |
3484 | /* temporarily switch stacks */ |
f12c7020 |
3485 | SWITCHSTACK(curstack, ary); |
79072805 |
3486 | } |
a0d0e21e |
3487 | base = SP - stack_base; |
3488 | orig = s; |
3489 | if (pm->op_pmflags & PMf_SKIPWHITE) { |
3490 | while (isSPACE(*s)) |
3491 | s++; |
3492 | } |
c07a80fd |
3493 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
3494 | SAVEINT(multiline); |
3495 | multiline = pm->op_pmflags & PMf_MULTILINE; |
3496 | } |
3497 | |
a0d0e21e |
3498 | if (!limit) |
3499 | limit = maxiters + 2; |
3500 | if (pm->op_pmflags & PMf_WHITE) { |
3501 | while (--limit) { |
3502 | /*SUPPRESS 530*/ |
3503 | for (m = s; m < strend && !isSPACE(*m); m++) ; |
3504 | if (m >= strend) |
3505 | break; |
3506 | dstr = NEWSV(30, m-s); |
3507 | sv_setpvn(dstr, s, m-s); |
3508 | if (!realarray) |
3509 | sv_2mortal(dstr); |
3510 | XPUSHs(dstr); |
3511 | /*SUPPRESS 530*/ |
3512 | for (s = m + 1; s < strend && isSPACE(*s); s++) ; |
79072805 |
3513 | } |
3514 | } |
a0d0e21e |
3515 | else if (strEQ("^", rx->precomp)) { |
3516 | while (--limit) { |
3517 | /*SUPPRESS 530*/ |
3518 | for (m = s; m < strend && *m != '\n'; m++) ; |
3519 | m++; |
3520 | if (m >= strend) |
3521 | break; |
3522 | dstr = NEWSV(30, m-s); |
3523 | sv_setpvn(dstr, s, m-s); |
3524 | if (!realarray) |
3525 | sv_2mortal(dstr); |
3526 | XPUSHs(dstr); |
3527 | s = m; |
3528 | } |
3529 | } |
3530 | else if (pm->op_pmshort) { |
3531 | i = SvCUR(pm->op_pmshort); |
3532 | if (i == 1) { |
3533 | I32 fold = (pm->op_pmflags & PMf_FOLD); |
3534 | i = *SvPVX(pm->op_pmshort); |
3535 | if (fold && isUPPER(i)) |
3536 | i = toLOWER(i); |
3537 | while (--limit) { |
3538 | if (fold) { |
3539 | for ( m = s; |
3540 | m < strend && *m != i && |
3541 | (!isUPPER(*m) || toLOWER(*m) != i); |
3542 | m++) /*SUPPRESS 530*/ |
3543 | ; |
3544 | } |
3545 | else /*SUPPRESS 530*/ |
3546 | for (m = s; m < strend && *m != i; m++) ; |
3547 | if (m >= strend) |
3548 | break; |
3549 | dstr = NEWSV(30, m-s); |
3550 | sv_setpvn(dstr, s, m-s); |
3551 | if (!realarray) |
3552 | sv_2mortal(dstr); |
3553 | XPUSHs(dstr); |
3554 | s = m + 1; |
3555 | } |
3556 | } |
3557 | else { |
3558 | #ifndef lint |
3559 | while (s < strend && --limit && |
3560 | (m=fbm_instr((unsigned char*)s, (unsigned char*)strend, |
3561 | pm->op_pmshort)) ) |
79072805 |
3562 | #endif |
a0d0e21e |
3563 | { |
3564 | dstr = NEWSV(31, m-s); |
3565 | sv_setpvn(dstr, s, m-s); |
3566 | if (!realarray) |
3567 | sv_2mortal(dstr); |
3568 | XPUSHs(dstr); |
3569 | s = m + i; |
3570 | } |
463ee0b2 |
3571 | } |
463ee0b2 |
3572 | } |
a0d0e21e |
3573 | else { |
3574 | maxiters += (strend - s) * rx->nparens; |
3575 | while (s < strend && --limit && |
e50aee73 |
3576 | pregexec(rx, s, strend, orig, 1, Nullsv, TRUE) ) { |
a0d0e21e |
3577 | if (rx->subbase |
3578 | && rx->subbase != orig) { |
3579 | m = s; |
3580 | s = orig; |
3581 | orig = rx->subbase; |
3582 | s = orig + (m - s); |
3583 | strend = s + (strend - m); |
3584 | } |
3585 | m = rx->startp[0]; |
3586 | dstr = NEWSV(32, m-s); |
3587 | sv_setpvn(dstr, s, m-s); |
3588 | if (!realarray) |
3589 | sv_2mortal(dstr); |
3590 | XPUSHs(dstr); |
3591 | if (rx->nparens) { |
3592 | for (i = 1; i <= rx->nparens; i++) { |
3593 | s = rx->startp[i]; |
3594 | m = rx->endp[i]; |
748a9306 |
3595 | if (m && s) { |
3596 | dstr = NEWSV(33, m-s); |
3597 | sv_setpvn(dstr, s, m-s); |
3598 | } |
3599 | else |
3600 | dstr = NEWSV(33, 0); |
a0d0e21e |
3601 | if (!realarray) |
3602 | sv_2mortal(dstr); |
3603 | XPUSHs(dstr); |
3604 | } |
3605 | } |
3606 | s = rx->endp[0]; |
3607 | } |
79072805 |
3608 | } |
c07a80fd |
3609 | LEAVE_SCOPE(oldsave); |
a0d0e21e |
3610 | iters = (SP - stack_base) - base; |
3611 | if (iters > maxiters) |
3612 | DIE("Split loop"); |
3613 | |
3614 | /* keep field after final delim? */ |
3615 | if (s < strend || (iters && origlimit)) { |
3616 | dstr = NEWSV(34, strend-s); |
3617 | sv_setpvn(dstr, s, strend-s); |
3618 | if (!realarray) |
3619 | sv_2mortal(dstr); |
3620 | XPUSHs(dstr); |
3621 | iters++; |
79072805 |
3622 | } |
a0d0e21e |
3623 | else if (!origlimit) { |
b1dadf13 |
3624 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) |
a0d0e21e |
3625 | iters--, SP--; |
3626 | } |
3627 | if (realarray) { |
3628 | SWITCHSTACK(ary, oldstack); |
3629 | if (gimme == G_ARRAY) { |
3630 | EXTEND(SP, iters); |
3631 | Copy(AvARRAY(ary), SP + 1, iters, SV*); |
3632 | SP += iters; |
3633 | RETURN; |
3634 | } |
3635 | } |
3636 | else { |
3637 | if (gimme == G_ARRAY) |
3638 | RETURN; |
3639 | } |
3640 | if (iters || !pm->op_pmreplroot) { |
3641 | GETTARGET; |
3642 | PUSHi(iters); |
3643 | RETURN; |
3644 | } |
3645 | RETPUSHUNDEF; |
79072805 |
3646 | } |
85e6fe83 |
3647 | |