Commit | Line | Data |
a0d0e21e |
1 | /* pp.c |
79072805 |
2 | * |
a0d0e21e |
3 | * Copyright (c) 1991-1994, Larry Wall |
79072805 |
4 | * |
a0d0e21e |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. |
79072805 |
7 | * |
a0d0e21e |
8 | */ |
9 | |
10 | /* |
11 | * "It's a big house this, and very peculiar. Always a bit more to discover, |
12 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise |
13 | */ |
79072805 |
14 | |
15 | #include "EXTERN.h" |
16 | #include "perl.h" |
17 | |
a0d0e21e |
18 | static void doencodes _((SV *sv, char *s, I32 len)); |
79072805 |
19 | |
a0d0e21e |
20 | /* variations on pp_null */ |
79072805 |
21 | |
93a17b20 |
22 | PP(pp_stub) |
23 | { |
24 | dSP; |
25 | if (GIMME != G_ARRAY) { |
26 | XPUSHs(&sv_undef); |
27 | } |
28 | RETURN; |
29 | } |
30 | |
79072805 |
31 | PP(pp_scalar) |
32 | { |
33 | return NORMAL; |
34 | } |
35 | |
36 | /* Pushy stuff. */ |
37 | |
93a17b20 |
38 | PP(pp_padav) |
39 | { |
40 | dSP; dTARGET; |
a0d0e21e |
41 | if (op->op_private & OPpLVAL_INTRO) |
8990e307 |
42 | SAVECLEARSV(curpad[op->op_targ]); |
85e6fe83 |
43 | EXTEND(SP, 1); |
a0d0e21e |
44 | if (op->op_flags & OPf_REF) { |
85e6fe83 |
45 | PUSHs(TARG); |
93a17b20 |
46 | RETURN; |
85e6fe83 |
47 | } |
48 | if (GIMME == G_ARRAY) { |
49 | I32 maxarg = AvFILL((AV*)TARG) + 1; |
50 | EXTEND(SP, maxarg); |
51 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); |
52 | SP += maxarg; |
53 | } |
54 | else { |
55 | SV* sv = sv_newmortal(); |
56 | I32 maxarg = AvFILL((AV*)TARG) + 1; |
57 | sv_setiv(sv, maxarg); |
58 | PUSHs(sv); |
59 | } |
60 | RETURN; |
93a17b20 |
61 | } |
62 | |
63 | PP(pp_padhv) |
64 | { |
65 | dSP; dTARGET; |
66 | XPUSHs(TARG); |
a0d0e21e |
67 | if (op->op_private & OPpLVAL_INTRO) |
8990e307 |
68 | SAVECLEARSV(curpad[op->op_targ]); |
a0d0e21e |
69 | if (op->op_flags & OPf_REF) |
93a17b20 |
70 | RETURN; |
85e6fe83 |
71 | if (GIMME == G_ARRAY) { /* array wanted */ |
a0d0e21e |
72 | RETURNOP(do_kv(ARGS)); |
85e6fe83 |
73 | } |
74 | else { |
75 | SV* sv = sv_newmortal(); |
76 | if (HvFILL((HV*)TARG)) { |
77 | sprintf(buf, "%d/%d", HvFILL((HV*)TARG), HvMAX((HV*)TARG)+1); |
78 | sv_setpv(sv, buf); |
79 | } |
80 | else |
81 | sv_setiv(sv, 0); |
82 | SETs(sv); |
83 | RETURN; |
84 | } |
93a17b20 |
85 | } |
86 | |
ed6116ce |
87 | PP(pp_padany) |
88 | { |
89 | DIE("NOT IMPL LINE %d",__LINE__); |
90 | } |
91 | |
79072805 |
92 | /* Translations. */ |
93 | |
94 | PP(pp_rv2gv) |
95 | { |
96 | dSP; dTOPss; |
a0d0e21e |
97 | |
ed6116ce |
98 | if (SvROK(sv)) { |
a0d0e21e |
99 | wasref: |
ed6116ce |
100 | sv = SvRV(sv); |
79072805 |
101 | if (SvTYPE(sv) != SVt_PVGV) |
a0d0e21e |
102 | DIE("Not a GLOB reference"); |
79072805 |
103 | } |
104 | else { |
93a17b20 |
105 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 |
106 | char *sym; |
107 | |
a0d0e21e |
108 | if (SvGMAGICAL(sv)) { |
109 | mg_get(sv); |
110 | if (SvROK(sv)) |
111 | goto wasref; |
112 | } |
113 | if (!SvOK(sv)) { |
114 | if (op->op_flags & OPf_REF || |
115 | op->op_private & HINT_STRICT_REFS) |
116 | DIE(no_usym, "a symbol"); |
117 | RETSETUNDEF; |
118 | } |
748a9306 |
119 | sym = SvPV(sv, na); |
85e6fe83 |
120 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 |
121 | DIE(no_symref, sym, "a symbol"); |
122 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
93a17b20 |
123 | } |
79072805 |
124 | } |
a0d0e21e |
125 | if (op->op_private & OPpLVAL_INTRO) { |
79072805 |
126 | GP *ogp = GvGP(sv); |
127 | |
128 | SSCHECK(3); |
4633a7c4 |
129 | SSPUSHPTR(SvREFCNT_inc(sv)); |
79072805 |
130 | SSPUSHPTR(ogp); |
131 | SSPUSHINT(SAVEt_GP); |
132 | |
a0d0e21e |
133 | if (op->op_flags & OPf_SPECIAL) { |
79072805 |
134 | GvGP(sv)->gp_refcnt++; /* will soon be assigned */ |
a0d0e21e |
135 | GvFLAGS(sv) |= GVf_INTRO; |
136 | } |
79072805 |
137 | else { |
138 | GP *gp; |
139 | Newz(602,gp, 1, GP); |
140 | GvGP(sv) = gp; |
141 | GvREFCNT(sv) = 1; |
142 | GvSV(sv) = NEWSV(72,0); |
143 | GvLINE(sv) = curcop->cop_line; |
144 | GvEGV(sv) = sv; |
145 | } |
146 | } |
147 | SETs(sv); |
148 | RETURN; |
149 | } |
150 | |
151 | PP(pp_sv2len) |
152 | { |
153 | dSP; dTARGET; |
154 | dPOPss; |
155 | PUSHi(sv_len(sv)); |
156 | RETURN; |
157 | } |
158 | |
159 | PP(pp_rv2sv) |
160 | { |
161 | dSP; dTOPss; |
162 | |
ed6116ce |
163 | if (SvROK(sv)) { |
a0d0e21e |
164 | wasref: |
ed6116ce |
165 | sv = SvRV(sv); |
79072805 |
166 | switch (SvTYPE(sv)) { |
167 | case SVt_PVAV: |
168 | case SVt_PVHV: |
169 | case SVt_PVCV: |
a0d0e21e |
170 | DIE("Not a SCALAR reference"); |
79072805 |
171 | } |
172 | } |
173 | else { |
463ee0b2 |
174 | GV *gv = sv; |
748a9306 |
175 | char *sym; |
176 | |
463ee0b2 |
177 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e |
178 | if (SvGMAGICAL(sv)) { |
179 | mg_get(sv); |
180 | if (SvROK(sv)) |
181 | goto wasref; |
182 | } |
183 | if (!SvOK(sv)) { |
184 | if (op->op_flags & OPf_REF || |
185 | op->op_private & HINT_STRICT_REFS) |
186 | DIE(no_usym, "a SCALAR"); |
187 | RETSETUNDEF; |
188 | } |
748a9306 |
189 | sym = SvPV(sv, na); |
85e6fe83 |
190 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 |
191 | DIE(no_symref, sym, "a SCALAR"); |
192 | gv = (SV*)gv_fetchpv(sym, TRUE, SVt_PV); |
463ee0b2 |
193 | } |
194 | sv = GvSV(gv); |
a0d0e21e |
195 | } |
196 | if (op->op_flags & OPf_MOD) { |
197 | if (op->op_private & OPpLVAL_INTRO) |
198 | sv = save_scalar((GV*)TOPs); |
199 | else if (op->op_private & (OPpDEREF_HV|OPpDEREF_AV)) { |
200 | if (SvGMAGICAL(sv)) |
201 | mg_get(sv); |
202 | if (!SvOK(sv)) { |
4633a7c4 |
203 | if (SvREADONLY(sv)) |
204 | croak(no_modify); |
a0d0e21e |
205 | (void)SvUPGRADE(sv, SVt_RV); |
206 | SvRV(sv) = (op->op_private & OPpDEREF_HV ? |
207 | (SV*)newHV() : (SV*)newAV()); |
85e6fe83 |
208 | SvROK_on(sv); |
a0d0e21e |
209 | SvSETMAGIC(sv); |
85e6fe83 |
210 | } |
93a17b20 |
211 | } |
79072805 |
212 | } |
a0d0e21e |
213 | SETs(sv); |
79072805 |
214 | RETURN; |
215 | } |
216 | |
217 | PP(pp_av2arylen) |
218 | { |
219 | dSP; |
220 | AV *av = (AV*)TOPs; |
221 | SV *sv = AvARYLEN(av); |
222 | if (!sv) { |
223 | AvARYLEN(av) = sv = NEWSV(0,0); |
224 | sv_upgrade(sv, SVt_IV); |
225 | sv_magic(sv, (SV*)av, '#', Nullch, 0); |
226 | } |
227 | SETs(sv); |
228 | RETURN; |
229 | } |
230 | |
a0d0e21e |
231 | PP(pp_pos) |
232 | { |
233 | dSP; dTARGET; dPOPss; |
234 | |
235 | if (op->op_flags & OPf_MOD) { |
236 | LvTYPE(TARG) = '<'; |
237 | LvTARG(TARG) = sv; |
238 | PUSHs(TARG); /* no SvSETMAGIC */ |
239 | RETURN; |
240 | } |
241 | else { |
242 | MAGIC* mg; |
243 | |
244 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
245 | mg = mg_find(sv, 'g'); |
246 | if (mg && mg->mg_len >= 0) { |
247 | PUSHi(mg->mg_len + curcop->cop_arybase); |
248 | RETURN; |
249 | } |
250 | } |
251 | RETPUSHUNDEF; |
252 | } |
253 | } |
254 | |
79072805 |
255 | PP(pp_rv2cv) |
256 | { |
257 | dSP; |
79072805 |
258 | GV *gv; |
259 | HV *stash; |
8990e307 |
260 | |
4633a7c4 |
261 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
262 | /* (But not in defined().) */ |
263 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(op->op_flags & OPf_SPECIAL)); |
79072805 |
264 | |
4633a7c4 |
265 | if (!cv) |
266 | cv = (CV*)&sv_undef; |
79072805 |
267 | SETs((SV*)cv); |
268 | RETURN; |
269 | } |
270 | |
a0d0e21e |
271 | PP(pp_anoncode) |
272 | { |
273 | dSP; |
748a9306 |
274 | CV* cv = (CV*)cSVOP->op_sv; |
275 | EXTEND(SP,1); |
276 | |
277 | if (SvFLAGS(cv) & SVpcv_CLONE) { |
b355b4e0 |
278 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
748a9306 |
279 | } |
280 | |
281 | PUSHs((SV*)cv); |
a0d0e21e |
282 | RETURN; |
283 | } |
284 | |
285 | PP(pp_srefgen) |
79072805 |
286 | { |
287 | dSP; dTOPss; |
288 | SV* rv; |
8990e307 |
289 | rv = sv_newmortal(); |
ed6116ce |
290 | sv_upgrade(rv, SVt_RV); |
a0d0e21e |
291 | if (SvPADTMP(sv)) |
292 | sv = newSVsv(sv); |
293 | else { |
294 | SvTEMP_off(sv); |
295 | (void)SvREFCNT_inc(sv); |
296 | } |
297 | SvRV(rv) = sv; |
ed6116ce |
298 | SvROK_on(rv); |
79072805 |
299 | SETs(rv); |
300 | RETURN; |
a0d0e21e |
301 | } |
302 | |
303 | PP(pp_refgen) |
304 | { |
305 | dSP; dMARK; |
306 | SV* sv; |
307 | SV* rv; |
308 | if (GIMME != G_ARRAY) { |
309 | MARK[1] = *SP; |
310 | SP = MARK + 1; |
311 | } |
312 | while (MARK < SP) { |
313 | sv = *++MARK; |
314 | rv = sv_newmortal(); |
315 | sv_upgrade(rv, SVt_RV); |
316 | if (SvPADTMP(sv)) |
317 | sv = newSVsv(sv); |
318 | else { |
319 | SvTEMP_off(sv); |
320 | (void)SvREFCNT_inc(sv); |
321 | } |
322 | SvRV(rv) = sv; |
323 | SvROK_on(rv); |
324 | *MARK = rv; |
325 | } |
326 | RETURN; |
79072805 |
327 | } |
328 | |
329 | PP(pp_ref) |
330 | { |
463ee0b2 |
331 | dSP; dTARGET; |
332 | SV *sv; |
79072805 |
333 | char *pv; |
334 | |
a0d0e21e |
335 | sv = POPs; |
336 | if (!sv || !SvROK(sv)) |
4633a7c4 |
337 | RETPUSHNO; |
79072805 |
338 | |
ed6116ce |
339 | sv = SvRV(sv); |
a0d0e21e |
340 | pv = sv_reftype(sv,TRUE); |
463ee0b2 |
341 | PUSHp(pv, strlen(pv)); |
79072805 |
342 | RETURN; |
343 | } |
344 | |
345 | PP(pp_bless) |
346 | { |
463ee0b2 |
347 | dSP; |
463ee0b2 |
348 | HV *stash; |
79072805 |
349 | |
463ee0b2 |
350 | if (MAXARG == 1) |
351 | stash = curcop->cop_stash; |
352 | else |
a0d0e21e |
353 | stash = gv_stashsv(POPs, TRUE); |
354 | |
355 | (void)sv_bless(TOPs, stash); |
79072805 |
356 | RETURN; |
357 | } |
358 | |
a0d0e21e |
359 | /* Pattern matching */ |
79072805 |
360 | |
a0d0e21e |
361 | PP(pp_study) |
79072805 |
362 | { |
363 | dSP; dTARGET; |
a0d0e21e |
364 | register unsigned char *s; |
365 | register I32 pos; |
366 | register I32 ch; |
367 | register I32 *sfirst; |
368 | register I32 *snext; |
369 | I32 retval; |
370 | STRLEN len; |
371 | |
372 | s = (unsigned char*)(SvPV(TARG, len)); |
373 | pos = len; |
374 | if (lastscream) |
375 | SvSCREAM_off(lastscream); |
376 | lastscream = TARG; |
377 | if (pos <= 0) { |
378 | retval = 0; |
379 | goto ret; |
380 | } |
381 | if (pos > maxscream) { |
382 | if (maxscream < 0) { |
383 | maxscream = pos + 80; |
384 | New(301, screamfirst, 256, I32); |
385 | New(302, screamnext, maxscream, I32); |
79072805 |
386 | } |
387 | else { |
a0d0e21e |
388 | maxscream = pos + pos / 4; |
389 | Renew(screamnext, maxscream, I32); |
79072805 |
390 | } |
79072805 |
391 | } |
a0d0e21e |
392 | |
393 | sfirst = screamfirst; |
394 | snext = screamnext; |
395 | |
396 | if (!sfirst || !snext) |
397 | DIE("do_study: out of memory"); |
398 | |
399 | for (ch = 256; ch; --ch) |
400 | *sfirst++ = -1; |
401 | sfirst -= 256; |
402 | |
403 | while (--pos >= 0) { |
404 | ch = s[pos]; |
405 | if (sfirst[ch] >= 0) |
406 | snext[pos] = sfirst[ch] - pos; |
407 | else |
408 | snext[pos] = -pos; |
409 | sfirst[ch] = pos; |
410 | |
411 | /* If there were any case insensitive searches, we must assume they |
412 | * all are. This speeds up insensitive searches much more than |
413 | * it slows down sensitive ones. |
414 | */ |
415 | if (sawi) |
416 | sfirst[fold[ch]] = pos; |
79072805 |
417 | } |
418 | |
a0d0e21e |
419 | SvSCREAM_on(TARG); |
420 | retval = 1; |
421 | ret: |
422 | XPUSHs(sv_2mortal(newSViv((I32)retval))); |
79072805 |
423 | RETURN; |
424 | } |
425 | |
a0d0e21e |
426 | PP(pp_trans) |
79072805 |
427 | { |
a0d0e21e |
428 | dSP; dTARG; |
429 | SV *sv; |
430 | |
431 | if (op->op_flags & OPf_STACKED) |
432 | sv = POPs; |
79072805 |
433 | else { |
a0d0e21e |
434 | sv = GvSV(defgv); |
435 | EXTEND(SP,1); |
79072805 |
436 | } |
adbc6bb1 |
437 | TARG = sv_newmortal(); |
a0d0e21e |
438 | PUSHi(do_trans(sv, op)); |
439 | RETURN; |
79072805 |
440 | } |
441 | |
a0d0e21e |
442 | /* Lvalue operators. */ |
79072805 |
443 | |
a0d0e21e |
444 | PP(pp_schop) |
445 | { |
446 | dSP; dTARGET; |
447 | do_chop(TARG, TOPs); |
448 | SETTARG; |
449 | RETURN; |
79072805 |
450 | } |
451 | |
a0d0e21e |
452 | PP(pp_chop) |
79072805 |
453 | { |
a0d0e21e |
454 | dSP; dMARK; dTARGET; |
455 | while (SP > MARK) |
456 | do_chop(TARG, POPs); |
457 | PUSHTARG; |
458 | RETURN; |
79072805 |
459 | } |
460 | |
a0d0e21e |
461 | PP(pp_schomp) |
79072805 |
462 | { |
a0d0e21e |
463 | dSP; dTARGET; |
464 | SETi(do_chomp(TOPs)); |
465 | RETURN; |
79072805 |
466 | } |
467 | |
a0d0e21e |
468 | PP(pp_chomp) |
79072805 |
469 | { |
a0d0e21e |
470 | dSP; dMARK; dTARGET; |
471 | register I32 count = 0; |
472 | |
473 | while (SP > MARK) |
474 | count += do_chomp(POPs); |
475 | PUSHi(count); |
476 | RETURN; |
79072805 |
477 | } |
478 | |
a0d0e21e |
479 | PP(pp_defined) |
463ee0b2 |
480 | { |
a0d0e21e |
481 | dSP; |
482 | register SV* sv; |
483 | |
484 | sv = POPs; |
485 | if (!sv || !SvANY(sv)) |
486 | RETPUSHNO; |
487 | switch (SvTYPE(sv)) { |
488 | case SVt_PVAV: |
8e07c86e |
489 | if (AvMAX(sv) >= 0 || SvRMAGICAL(sv)) |
a0d0e21e |
490 | RETPUSHYES; |
491 | break; |
492 | case SVt_PVHV: |
8e07c86e |
493 | if (HvARRAY(sv) || SvRMAGICAL(sv)) |
a0d0e21e |
494 | RETPUSHYES; |
495 | break; |
496 | case SVt_PVCV: |
497 | if (CvROOT(sv) || CvXSUB(sv)) |
498 | RETPUSHYES; |
499 | break; |
500 | default: |
501 | if (SvGMAGICAL(sv)) |
502 | mg_get(sv); |
503 | if (SvOK(sv)) |
504 | RETPUSHYES; |
505 | } |
506 | RETPUSHNO; |
463ee0b2 |
507 | } |
508 | |
a0d0e21e |
509 | PP(pp_undef) |
510 | { |
79072805 |
511 | dSP; |
a0d0e21e |
512 | SV *sv; |
513 | |
514 | if (!op->op_private) |
515 | RETPUSHUNDEF; |
79072805 |
516 | |
a0d0e21e |
517 | sv = POPs; |
518 | if (!sv) |
519 | RETPUSHUNDEF; |
85e6fe83 |
520 | |
a0d0e21e |
521 | if (SvTHINKFIRST(sv)) { |
522 | if (SvREADONLY(sv)) |
523 | RETPUSHUNDEF; |
524 | if (SvROK(sv)) |
525 | sv_unref(sv); |
85e6fe83 |
526 | } |
527 | |
a0d0e21e |
528 | switch (SvTYPE(sv)) { |
529 | case SVt_NULL: |
530 | break; |
531 | case SVt_PVAV: |
532 | av_undef((AV*)sv); |
533 | break; |
534 | case SVt_PVHV: |
535 | hv_undef((HV*)sv); |
536 | break; |
537 | case SVt_PVCV: |
538 | cv_undef((CV*)sv); |
539 | sub_generation++; |
540 | break; |
8e07c86e |
541 | case SVt_PVGV: |
542 | if (SvFAKE(sv)) { |
543 | sv_setsv(sv, &sv_undef); |
544 | break; |
545 | } |
a0d0e21e |
546 | default: |
4633a7c4 |
547 | if (SvPOK(sv) && SvLEN(sv)) { |
548 | (void)SvOOK_off(sv); |
549 | Safefree(SvPVX(sv)); |
550 | SvPV_set(sv, Nullch); |
551 | SvLEN_set(sv, 0); |
a0d0e21e |
552 | } |
4633a7c4 |
553 | (void)SvOK_off(sv); |
554 | SvSETMAGIC(sv); |
79072805 |
555 | } |
a0d0e21e |
556 | |
557 | RETPUSHUNDEF; |
79072805 |
558 | } |
559 | |
a0d0e21e |
560 | PP(pp_predec) |
79072805 |
561 | { |
a0d0e21e |
562 | dSP; |
748a9306 |
563 | if (SvIOK(TOPs)) { |
564 | --SvIVX(TOPs); |
565 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
566 | } |
567 | else |
568 | sv_dec(TOPs); |
a0d0e21e |
569 | SvSETMAGIC(TOPs); |
570 | return NORMAL; |
571 | } |
79072805 |
572 | |
a0d0e21e |
573 | PP(pp_postinc) |
574 | { |
575 | dSP; dTARGET; |
576 | sv_setsv(TARG, TOPs); |
748a9306 |
577 | if (SvIOK(TOPs)) { |
578 | ++SvIVX(TOPs); |
579 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
580 | } |
581 | else |
582 | sv_inc(TOPs); |
a0d0e21e |
583 | SvSETMAGIC(TOPs); |
584 | if (!SvOK(TARG)) |
585 | sv_setiv(TARG, 0); |
586 | SETs(TARG); |
587 | return NORMAL; |
588 | } |
79072805 |
589 | |
a0d0e21e |
590 | PP(pp_postdec) |
591 | { |
592 | dSP; dTARGET; |
593 | sv_setsv(TARG, TOPs); |
748a9306 |
594 | if (SvIOK(TOPs)) { |
595 | --SvIVX(TOPs); |
596 | SvFLAGS(TOPs) &= ~(SVf_NOK|SVf_POK|SVp_NOK|SVp_POK); |
597 | } |
598 | else |
599 | sv_dec(TOPs); |
a0d0e21e |
600 | SvSETMAGIC(TOPs); |
601 | SETs(TARG); |
602 | return NORMAL; |
603 | } |
79072805 |
604 | |
a0d0e21e |
605 | /* Ordinary operators. */ |
606 | |
607 | PP(pp_pow) |
608 | { |
609 | dSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
610 | { |
611 | dPOPTOPnnrl; |
612 | SETn( pow( left, right) ); |
613 | RETURN; |
93a17b20 |
614 | } |
a0d0e21e |
615 | } |
616 | |
617 | PP(pp_multiply) |
618 | { |
619 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
620 | { |
621 | dPOPTOPnnrl; |
622 | SETn( left * right ); |
623 | RETURN; |
79072805 |
624 | } |
a0d0e21e |
625 | } |
626 | |
627 | PP(pp_divide) |
628 | { |
629 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
630 | { |
631 | dPOPnv; |
632 | if (value == 0.0) |
633 | DIE("Illegal division by zero"); |
634 | #ifdef SLOPPYDIVIDE |
635 | /* insure that 20./5. == 4. */ |
636 | { |
637 | double x; |
638 | I32 k; |
639 | x = POPn; |
640 | if ((double)I_32(x) == x && |
641 | (double)I_32(value) == value && |
642 | (k = I_32(x)/I_32(value))*I_32(value) == I_32(x)) { |
643 | value = k; |
644 | } else { |
645 | value = x/value; |
79072805 |
646 | } |
a0d0e21e |
647 | } |
648 | #else |
649 | value = POPn / value; |
650 | #endif |
651 | PUSHn( value ); |
652 | RETURN; |
79072805 |
653 | } |
a0d0e21e |
654 | } |
655 | |
656 | PP(pp_modulo) |
657 | { |
658 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
659 | { |
660 | register unsigned long tmpulong; |
661 | register long tmplong; |
662 | I32 value; |
663 | |
664 | tmpulong = (unsigned long) POPn; |
665 | if (tmpulong == 0L) |
666 | DIE("Illegal modulus zero"); |
667 | value = TOPn; |
668 | if (value >= 0.0) |
669 | value = (I32)(((unsigned long)value) % tmpulong); |
670 | else { |
671 | tmplong = (long)value; |
672 | value = (I32)(tmpulong - ((-tmplong - 1) % tmpulong)) - 1; |
673 | } |
674 | SETi(value); |
675 | RETURN; |
79072805 |
676 | } |
a0d0e21e |
677 | } |
79072805 |
678 | |
a0d0e21e |
679 | PP(pp_repeat) |
680 | { |
748a9306 |
681 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
682 | { |
a0d0e21e |
683 | register I32 count = POPi; |
684 | if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) { |
685 | dMARK; |
686 | I32 items = SP - MARK; |
687 | I32 max; |
79072805 |
688 | |
a0d0e21e |
689 | max = items * count; |
690 | MEXTEND(MARK, max); |
691 | if (count > 1) { |
692 | while (SP > MARK) { |
693 | if (*SP) |
694 | SvTEMP_off((*SP)); |
695 | SP--; |
79072805 |
696 | } |
a0d0e21e |
697 | MARK++; |
698 | repeatcpy((char*)(MARK + items), (char*)MARK, |
699 | items * sizeof(SV*), count - 1); |
700 | SP += max; |
79072805 |
701 | } |
a0d0e21e |
702 | else if (count <= 0) |
703 | SP -= items; |
79072805 |
704 | } |
a0d0e21e |
705 | else { /* Note: mark already snarfed by pp_list */ |
706 | SV *tmpstr; |
707 | STRLEN len; |
708 | |
709 | tmpstr = POPs; |
710 | if (TARG == tmpstr && SvTHINKFIRST(tmpstr)) { |
711 | if (SvREADONLY(tmpstr) && curcop != &compiling) |
712 | DIE("Can't x= to readonly value"); |
713 | if (SvROK(tmpstr)) |
714 | sv_unref(tmpstr); |
93a17b20 |
715 | } |
a0d0e21e |
716 | SvSetSV(TARG, tmpstr); |
717 | SvPV_force(TARG, len); |
718 | if (count >= 1) { |
719 | SvGROW(TARG, (count * len) + 1); |
720 | if (count > 1) |
721 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
722 | SvCUR(TARG) *= count; |
723 | *SvEND(TARG) = '\0'; |
724 | (void)SvPOK_only(TARG); |
725 | } |
726 | else |
727 | sv_setsv(TARG, &sv_no); |
728 | PUSHTARG; |
79072805 |
729 | } |
a0d0e21e |
730 | RETURN; |
748a9306 |
731 | } |
a0d0e21e |
732 | } |
79072805 |
733 | |
a0d0e21e |
734 | PP(pp_subtract) |
735 | { |
736 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
737 | { |
738 | dPOPTOPnnrl; |
739 | SETn( left - right ); |
740 | RETURN; |
79072805 |
741 | } |
a0d0e21e |
742 | } |
79072805 |
743 | |
a0d0e21e |
744 | PP(pp_left_shift) |
745 | { |
746 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
747 | { |
748a9306 |
748 | dPOPTOPiirl; |
749 | SETi( left << right ); |
750 | RETURN; |
79072805 |
751 | } |
a0d0e21e |
752 | } |
79072805 |
753 | |
a0d0e21e |
754 | PP(pp_right_shift) |
755 | { |
756 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
757 | { |
758 | dPOPTOPiirl; |
759 | SETi( left >> right ); |
760 | RETURN; |
93a17b20 |
761 | } |
79072805 |
762 | } |
763 | |
a0d0e21e |
764 | PP(pp_lt) |
79072805 |
765 | { |
a0d0e21e |
766 | dSP; tryAMAGICbinSET(lt,0); |
767 | { |
768 | dPOPnv; |
769 | SETs((TOPn < value) ? &sv_yes : &sv_no); |
770 | RETURN; |
79072805 |
771 | } |
a0d0e21e |
772 | } |
79072805 |
773 | |
a0d0e21e |
774 | PP(pp_gt) |
775 | { |
776 | dSP; tryAMAGICbinSET(gt,0); |
777 | { |
778 | dPOPnv; |
779 | SETs((TOPn > value) ? &sv_yes : &sv_no); |
780 | RETURN; |
79072805 |
781 | } |
a0d0e21e |
782 | } |
783 | |
784 | PP(pp_le) |
785 | { |
786 | dSP; tryAMAGICbinSET(le,0); |
787 | { |
788 | dPOPnv; |
789 | SETs((TOPn <= value) ? &sv_yes : &sv_no); |
790 | RETURN; |
79072805 |
791 | } |
a0d0e21e |
792 | } |
793 | |
794 | PP(pp_ge) |
795 | { |
796 | dSP; tryAMAGICbinSET(ge,0); |
797 | { |
798 | dPOPnv; |
799 | SETs((TOPn >= value) ? &sv_yes : &sv_no); |
800 | RETURN; |
79072805 |
801 | } |
a0d0e21e |
802 | } |
79072805 |
803 | |
a0d0e21e |
804 | PP(pp_ne) |
805 | { |
806 | dSP; tryAMAGICbinSET(ne,0); |
807 | { |
808 | dPOPnv; |
809 | SETs((TOPn != value) ? &sv_yes : &sv_no); |
810 | RETURN; |
811 | } |
79072805 |
812 | } |
813 | |
a0d0e21e |
814 | PP(pp_ncmp) |
79072805 |
815 | { |
a0d0e21e |
816 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
817 | { |
818 | dPOPTOPnnrl; |
819 | I32 value; |
79072805 |
820 | |
a0d0e21e |
821 | if (left > right) |
822 | value = 1; |
823 | else if (left < right) |
824 | value = -1; |
825 | else |
826 | value = 0; |
827 | SETi(value); |
828 | RETURN; |
79072805 |
829 | } |
a0d0e21e |
830 | } |
79072805 |
831 | |
a0d0e21e |
832 | PP(pp_slt) |
833 | { |
834 | dSP; tryAMAGICbinSET(slt,0); |
835 | { |
836 | dPOPTOPssrl; |
837 | SETs( sv_cmp(left, right) < 0 ? &sv_yes : &sv_no ); |
838 | RETURN; |
839 | } |
79072805 |
840 | } |
841 | |
a0d0e21e |
842 | PP(pp_sgt) |
79072805 |
843 | { |
a0d0e21e |
844 | dSP; tryAMAGICbinSET(sgt,0); |
845 | { |
846 | dPOPTOPssrl; |
847 | SETs( sv_cmp(left, right) > 0 ? &sv_yes : &sv_no ); |
848 | RETURN; |
849 | } |
850 | } |
79072805 |
851 | |
a0d0e21e |
852 | PP(pp_sle) |
853 | { |
854 | dSP; tryAMAGICbinSET(sle,0); |
855 | { |
856 | dPOPTOPssrl; |
857 | SETs( sv_cmp(left, right) <= 0 ? &sv_yes : &sv_no ); |
858 | RETURN; |
79072805 |
859 | } |
79072805 |
860 | } |
861 | |
a0d0e21e |
862 | PP(pp_sge) |
863 | { |
864 | dSP; tryAMAGICbinSET(sge,0); |
865 | { |
866 | dPOPTOPssrl; |
867 | SETs( sv_cmp(left, right) >= 0 ? &sv_yes : &sv_no ); |
868 | RETURN; |
869 | } |
870 | } |
79072805 |
871 | |
a0d0e21e |
872 | PP(pp_sne) |
79072805 |
873 | { |
a0d0e21e |
874 | dSP; tryAMAGICbinSET(sne,0); |
875 | { |
876 | dPOPTOPssrl; |
877 | SETs( !sv_eq(left, right) ? &sv_yes : &sv_no ); |
878 | RETURN; |
463ee0b2 |
879 | } |
79072805 |
880 | } |
881 | |
a0d0e21e |
882 | PP(pp_scmp) |
79072805 |
883 | { |
a0d0e21e |
884 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
885 | { |
886 | dPOPTOPssrl; |
887 | SETi( sv_cmp(left, right) ); |
888 | RETURN; |
889 | } |
890 | } |
79072805 |
891 | |
a0d0e21e |
892 | PP(pp_bit_and) { |
893 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
894 | { |
895 | dPOPTOPssrl; |
4633a7c4 |
896 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
897 | unsigned long value = U_L(SvNV(left)); |
898 | value = value & U_L(SvNV(right)); |
899 | SETn((double)value); |
900 | } |
901 | else { |
902 | do_vop(op->op_type, TARG, left, right); |
903 | SETTARG; |
904 | } |
905 | RETURN; |
906 | } |
907 | } |
79072805 |
908 | |
a0d0e21e |
909 | PP(pp_bit_xor) |
910 | { |
911 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
912 | { |
913 | dPOPTOPssrl; |
4633a7c4 |
914 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
915 | unsigned long value = U_L(SvNV(left)); |
916 | value = value ^ U_L(SvNV(right)); |
917 | SETn((double)value); |
918 | } |
919 | else { |
920 | do_vop(op->op_type, TARG, left, right); |
921 | SETTARG; |
922 | } |
923 | RETURN; |
924 | } |
925 | } |
79072805 |
926 | |
a0d0e21e |
927 | PP(pp_bit_or) |
928 | { |
929 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
930 | { |
931 | dPOPTOPssrl; |
4633a7c4 |
932 | if (SvNIOKp(left) || SvNIOKp(right)) { |
a0d0e21e |
933 | unsigned long value = U_L(SvNV(left)); |
934 | value = value | U_L(SvNV(right)); |
935 | SETn((double)value); |
936 | } |
937 | else { |
938 | do_vop(op->op_type, TARG, left, right); |
939 | SETTARG; |
940 | } |
941 | RETURN; |
79072805 |
942 | } |
a0d0e21e |
943 | } |
79072805 |
944 | |
a0d0e21e |
945 | PP(pp_negate) |
946 | { |
947 | dSP; dTARGET; tryAMAGICun(neg); |
948 | { |
949 | dTOPss; |
4633a7c4 |
950 | if (SvGMAGICAL(sv)) |
951 | mg_get(sv); |
952 | if (SvNIOKp(sv)) |
a0d0e21e |
953 | SETn(-SvNV(sv)); |
4633a7c4 |
954 | else if (SvPOKp(sv)) { |
a0d0e21e |
955 | STRLEN len; |
956 | char *s = SvPV(sv, len); |
957 | if (isALPHA(*s) || *s == '_') { |
958 | sv_setpvn(TARG, "-", 1); |
959 | sv_catsv(TARG, sv); |
79072805 |
960 | } |
a0d0e21e |
961 | else if (*s == '+' || *s == '-') { |
962 | sv_setsv(TARG, sv); |
963 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; |
79072805 |
964 | } |
965 | else |
a0d0e21e |
966 | sv_setnv(TARG, -SvNV(sv)); |
967 | SETTARG; |
79072805 |
968 | } |
4633a7c4 |
969 | else |
970 | SETn(-SvNV(sv)); |
79072805 |
971 | } |
a0d0e21e |
972 | RETURN; |
79072805 |
973 | } |
974 | |
a0d0e21e |
975 | PP(pp_not) |
79072805 |
976 | { |
a0d0e21e |
977 | #ifdef OVERLOAD |
978 | dSP; tryAMAGICunSET(not); |
979 | #endif /* OVERLOAD */ |
980 | *stack_sp = SvTRUE(*stack_sp) ? &sv_no : &sv_yes; |
981 | return NORMAL; |
79072805 |
982 | } |
983 | |
a0d0e21e |
984 | PP(pp_complement) |
79072805 |
985 | { |
a0d0e21e |
986 | dSP; dTARGET; tryAMAGICun(compl); |
987 | { |
988 | dTOPss; |
989 | register I32 anum; |
990 | |
4633a7c4 |
991 | if (SvNIOKp(sv)) { |
748a9306 |
992 | IV iv = ~SvIV(sv); |
993 | if (iv < 0) |
994 | SETn( (double) ~U_L(SvNV(sv)) ); |
995 | else |
996 | SETi( iv ); |
a0d0e21e |
997 | } |
998 | else { |
999 | register char *tmps; |
1000 | register long *tmpl; |
1001 | STRLEN len; |
1002 | |
1003 | SvSetSV(TARG, sv); |
1004 | tmps = SvPV_force(TARG, len); |
1005 | anum = len; |
1006 | #ifdef LIBERAL |
1007 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) |
1008 | *tmps = ~*tmps; |
1009 | tmpl = (long*)tmps; |
1010 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) |
1011 | *tmpl = ~*tmpl; |
1012 | tmps = (char*)tmpl; |
1013 | #endif |
1014 | for ( ; anum > 0; anum--, tmps++) |
1015 | *tmps = ~*tmps; |
1016 | |
1017 | SETs(TARG); |
1018 | } |
1019 | RETURN; |
1020 | } |
79072805 |
1021 | } |
1022 | |
a0d0e21e |
1023 | /* integer versions of some of the above */ |
1024 | |
a0d0e21e |
1025 | PP(pp_i_multiply) |
79072805 |
1026 | { |
a0d0e21e |
1027 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
1028 | { |
1029 | dPOPTOPiirl; |
1030 | SETi( left * right ); |
1031 | RETURN; |
1032 | } |
79072805 |
1033 | } |
1034 | |
a0d0e21e |
1035 | PP(pp_i_divide) |
79072805 |
1036 | { |
a0d0e21e |
1037 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
1038 | { |
1039 | dPOPiv; |
1040 | if (value == 0) |
1041 | DIE("Illegal division by zero"); |
1042 | value = POPi / value; |
1043 | PUSHi( value ); |
1044 | RETURN; |
1045 | } |
79072805 |
1046 | } |
1047 | |
a0d0e21e |
1048 | PP(pp_i_modulo) |
79072805 |
1049 | { |
a0d0e21e |
1050 | dSP; dATARGET; tryAMAGICbin(mod,opASSIGN); |
79072805 |
1051 | { |
a0d0e21e |
1052 | dPOPTOPiirl; |
1053 | SETi( left % right ); |
1054 | RETURN; |
79072805 |
1055 | } |
79072805 |
1056 | } |
1057 | |
a0d0e21e |
1058 | PP(pp_i_add) |
79072805 |
1059 | { |
a0d0e21e |
1060 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
1061 | { |
1062 | dPOPTOPiirl; |
1063 | SETi( left + right ); |
1064 | RETURN; |
79072805 |
1065 | } |
79072805 |
1066 | } |
1067 | |
a0d0e21e |
1068 | PP(pp_i_subtract) |
79072805 |
1069 | { |
a0d0e21e |
1070 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
1071 | { |
1072 | dPOPTOPiirl; |
1073 | SETi( left - right ); |
1074 | RETURN; |
79072805 |
1075 | } |
79072805 |
1076 | } |
1077 | |
a0d0e21e |
1078 | PP(pp_i_lt) |
79072805 |
1079 | { |
a0d0e21e |
1080 | dSP; tryAMAGICbinSET(lt,0); |
1081 | { |
1082 | dPOPTOPiirl; |
1083 | SETs((left < right) ? &sv_yes : &sv_no); |
1084 | RETURN; |
1085 | } |
79072805 |
1086 | } |
1087 | |
a0d0e21e |
1088 | PP(pp_i_gt) |
79072805 |
1089 | { |
a0d0e21e |
1090 | dSP; tryAMAGICbinSET(gt,0); |
1091 | { |
1092 | dPOPTOPiirl; |
1093 | SETs((left > right) ? &sv_yes : &sv_no); |
1094 | RETURN; |
1095 | } |
79072805 |
1096 | } |
1097 | |
a0d0e21e |
1098 | PP(pp_i_le) |
79072805 |
1099 | { |
a0d0e21e |
1100 | dSP; tryAMAGICbinSET(le,0); |
1101 | { |
1102 | dPOPTOPiirl; |
1103 | SETs((left <= right) ? &sv_yes : &sv_no); |
1104 | RETURN; |
85e6fe83 |
1105 | } |
79072805 |
1106 | } |
1107 | |
a0d0e21e |
1108 | PP(pp_i_ge) |
79072805 |
1109 | { |
a0d0e21e |
1110 | dSP; tryAMAGICbinSET(ge,0); |
1111 | { |
1112 | dPOPTOPiirl; |
1113 | SETs((left >= right) ? &sv_yes : &sv_no); |
1114 | RETURN; |
1115 | } |
79072805 |
1116 | } |
1117 | |
a0d0e21e |
1118 | PP(pp_i_eq) |
79072805 |
1119 | { |
a0d0e21e |
1120 | dSP; tryAMAGICbinSET(eq,0); |
1121 | { |
1122 | dPOPTOPiirl; |
1123 | SETs((left == right) ? &sv_yes : &sv_no); |
1124 | RETURN; |
1125 | } |
79072805 |
1126 | } |
1127 | |
a0d0e21e |
1128 | PP(pp_i_ne) |
79072805 |
1129 | { |
a0d0e21e |
1130 | dSP; tryAMAGICbinSET(ne,0); |
1131 | { |
1132 | dPOPTOPiirl; |
1133 | SETs((left != right) ? &sv_yes : &sv_no); |
1134 | RETURN; |
1135 | } |
79072805 |
1136 | } |
1137 | |
a0d0e21e |
1138 | PP(pp_i_ncmp) |
79072805 |
1139 | { |
a0d0e21e |
1140 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
1141 | { |
1142 | dPOPTOPiirl; |
1143 | I32 value; |
79072805 |
1144 | |
a0d0e21e |
1145 | if (left > right) |
79072805 |
1146 | value = 1; |
a0d0e21e |
1147 | else if (left < right) |
79072805 |
1148 | value = -1; |
a0d0e21e |
1149 | else |
79072805 |
1150 | value = 0; |
a0d0e21e |
1151 | SETi(value); |
1152 | RETURN; |
79072805 |
1153 | } |
85e6fe83 |
1154 | } |
1155 | |
1156 | PP(pp_i_negate) |
1157 | { |
a0d0e21e |
1158 | dSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 |
1159 | SETi(-TOPi); |
1160 | RETURN; |
1161 | } |
1162 | |
79072805 |
1163 | /* High falutin' math. */ |
1164 | |
1165 | PP(pp_atan2) |
1166 | { |
a0d0e21e |
1167 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
1168 | { |
1169 | dPOPTOPnnrl; |
1170 | SETn(atan2(left, right)); |
1171 | RETURN; |
1172 | } |
79072805 |
1173 | } |
1174 | |
1175 | PP(pp_sin) |
1176 | { |
a0d0e21e |
1177 | dSP; dTARGET; tryAMAGICun(sin); |
1178 | { |
1179 | double value; |
1180 | value = POPn; |
1181 | value = sin(value); |
1182 | XPUSHn(value); |
1183 | RETURN; |
1184 | } |
79072805 |
1185 | } |
1186 | |
1187 | PP(pp_cos) |
1188 | { |
a0d0e21e |
1189 | dSP; dTARGET; tryAMAGICun(cos); |
1190 | { |
1191 | double value; |
1192 | value = POPn; |
1193 | value = cos(value); |
1194 | XPUSHn(value); |
1195 | RETURN; |
1196 | } |
79072805 |
1197 | } |
1198 | |
1199 | PP(pp_rand) |
1200 | { |
1201 | dSP; dTARGET; |
1202 | double value; |
1203 | if (MAXARG < 1) |
1204 | value = 1.0; |
1205 | else |
1206 | value = POPn; |
1207 | if (value == 0.0) |
1208 | value = 1.0; |
1209 | #if RANDBITS == 31 |
1210 | value = rand() * value / 2147483648.0; |
1211 | #else |
1212 | #if RANDBITS == 16 |
1213 | value = rand() * value / 65536.0; |
1214 | #else |
1215 | #if RANDBITS == 15 |
1216 | value = rand() * value / 32768.0; |
1217 | #else |
1218 | value = rand() * value / (double)(((unsigned long)1) << RANDBITS); |
1219 | #endif |
1220 | #endif |
1221 | #endif |
1222 | XPUSHn(value); |
1223 | RETURN; |
1224 | } |
1225 | |
1226 | PP(pp_srand) |
1227 | { |
1228 | dSP; |
1229 | I32 anum; |
85e6fe83 |
1230 | Time_t when; |
79072805 |
1231 | |
1232 | if (MAXARG < 1) { |
1233 | (void)time(&when); |
1234 | anum = when; |
1235 | } |
1236 | else |
1237 | anum = POPi; |
1238 | (void)srand(anum); |
1239 | EXTEND(SP, 1); |
1240 | RETPUSHYES; |
1241 | } |
1242 | |
1243 | PP(pp_exp) |
1244 | { |
a0d0e21e |
1245 | dSP; dTARGET; tryAMAGICun(exp); |
1246 | { |
1247 | double value; |
1248 | value = POPn; |
1249 | value = exp(value); |
1250 | XPUSHn(value); |
1251 | RETURN; |
1252 | } |
79072805 |
1253 | } |
1254 | |
1255 | PP(pp_log) |
1256 | { |
a0d0e21e |
1257 | dSP; dTARGET; tryAMAGICun(log); |
1258 | { |
1259 | double value; |
1260 | value = POPn; |
1261 | if (value <= 0.0) |
2304df62 |
1262 | DIE("Can't take log of %g", value); |
a0d0e21e |
1263 | value = log(value); |
1264 | XPUSHn(value); |
1265 | RETURN; |
1266 | } |
79072805 |
1267 | } |
1268 | |
1269 | PP(pp_sqrt) |
1270 | { |
a0d0e21e |
1271 | dSP; dTARGET; tryAMAGICun(sqrt); |
1272 | { |
1273 | double value; |
1274 | value = POPn; |
1275 | if (value < 0.0) |
2304df62 |
1276 | DIE("Can't take sqrt of %g", value); |
a0d0e21e |
1277 | value = sqrt(value); |
1278 | XPUSHn(value); |
1279 | RETURN; |
1280 | } |
79072805 |
1281 | } |
1282 | |
1283 | PP(pp_int) |
1284 | { |
1285 | dSP; dTARGET; |
1286 | double value; |
a0d0e21e |
1287 | value = POPn; |
79072805 |
1288 | if (value >= 0.0) |
1289 | (void)modf(value, &value); |
1290 | else { |
1291 | (void)modf(-value, &value); |
1292 | value = -value; |
1293 | } |
1294 | XPUSHn(value); |
1295 | RETURN; |
1296 | } |
1297 | |
463ee0b2 |
1298 | PP(pp_abs) |
1299 | { |
a0d0e21e |
1300 | dSP; dTARGET; tryAMAGICun(abs); |
1301 | { |
1302 | double value; |
1303 | value = POPn; |
463ee0b2 |
1304 | |
a0d0e21e |
1305 | if (value < 0.0) |
463ee0b2 |
1306 | value = -value; |
1307 | |
a0d0e21e |
1308 | XPUSHn(value); |
1309 | RETURN; |
1310 | } |
463ee0b2 |
1311 | } |
1312 | |
79072805 |
1313 | PP(pp_hex) |
1314 | { |
1315 | dSP; dTARGET; |
1316 | char *tmps; |
1317 | I32 argtype; |
1318 | |
a0d0e21e |
1319 | tmps = POPp; |
79072805 |
1320 | XPUSHi( scan_hex(tmps, 99, &argtype) ); |
1321 | RETURN; |
1322 | } |
1323 | |
1324 | PP(pp_oct) |
1325 | { |
1326 | dSP; dTARGET; |
1327 | I32 value; |
1328 | I32 argtype; |
1329 | char *tmps; |
1330 | |
a0d0e21e |
1331 | tmps = POPp; |
79072805 |
1332 | while (*tmps && (isSPACE(*tmps) || *tmps == '0')) |
1333 | tmps++; |
1334 | if (*tmps == 'x') |
1335 | value = (I32)scan_hex(++tmps, 99, &argtype); |
1336 | else |
1337 | value = (I32)scan_oct(tmps, 99, &argtype); |
1338 | XPUSHi(value); |
1339 | RETURN; |
1340 | } |
1341 | |
1342 | /* String stuff. */ |
1343 | |
1344 | PP(pp_length) |
1345 | { |
1346 | dSP; dTARGET; |
a0d0e21e |
1347 | SETi( sv_len(TOPs) ); |
79072805 |
1348 | RETURN; |
1349 | } |
1350 | |
1351 | PP(pp_substr) |
1352 | { |
1353 | dSP; dTARGET; |
1354 | SV *sv; |
1355 | I32 len; |
463ee0b2 |
1356 | STRLEN curlen; |
79072805 |
1357 | I32 pos; |
1358 | I32 rem; |
a0d0e21e |
1359 | I32 lvalue = op->op_flags & OPf_MOD; |
79072805 |
1360 | char *tmps; |
a0d0e21e |
1361 | I32 arybase = curcop->cop_arybase; |
79072805 |
1362 | |
1363 | if (MAXARG > 2) |
1364 | len = POPi; |
1365 | pos = POPi - arybase; |
1366 | sv = POPs; |
a0d0e21e |
1367 | tmps = SvPV(sv, curlen); |
79072805 |
1368 | if (pos < 0) |
1369 | pos += curlen + arybase; |
2304df62 |
1370 | if (pos < 0 || pos > curlen) { |
a0d0e21e |
1371 | if (dowarn || lvalue) |
2304df62 |
1372 | warn("substr outside of string"); |
1373 | RETPUSHUNDEF; |
1374 | } |
79072805 |
1375 | else { |
1376 | if (MAXARG < 3) |
1377 | len = curlen; |
a0d0e21e |
1378 | else if (len < 0) { |
748a9306 |
1379 | len += curlen - pos; |
a0d0e21e |
1380 | if (len < 0) |
1381 | len = 0; |
1382 | } |
79072805 |
1383 | tmps += pos; |
1384 | rem = curlen - pos; /* rem=how many bytes left*/ |
1385 | if (rem > len) |
1386 | rem = len; |
1387 | sv_setpvn(TARG, tmps, rem); |
1388 | if (lvalue) { /* it's an lvalue! */ |
748a9306 |
1389 | (void)SvPOK_only(sv); |
a0d0e21e |
1390 | if (SvTYPE(TARG) < SVt_PVLV) { |
1391 | sv_upgrade(TARG, SVt_PVLV); |
1392 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); |
ed6116ce |
1393 | } |
a0d0e21e |
1394 | |
79072805 |
1395 | LvTYPE(TARG) = 's'; |
1396 | LvTARG(TARG) = sv; |
a0d0e21e |
1397 | LvTARGOFF(TARG) = pos; |
79072805 |
1398 | LvTARGLEN(TARG) = rem; |
1399 | } |
1400 | } |
1401 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
1402 | RETURN; |
1403 | } |
1404 | |
1405 | PP(pp_vec) |
1406 | { |
1407 | dSP; dTARGET; |
1408 | register I32 size = POPi; |
1409 | register I32 offset = POPi; |
1410 | register SV *src = POPs; |
a0d0e21e |
1411 | I32 lvalue = op->op_flags & OPf_MOD; |
463ee0b2 |
1412 | STRLEN srclen; |
1413 | unsigned char *s = (unsigned char*)SvPV(src, srclen); |
79072805 |
1414 | unsigned long retnum; |
1415 | I32 len; |
1416 | |
1417 | offset *= size; /* turn into bit offset */ |
1418 | len = (offset + size + 7) / 8; |
1419 | if (offset < 0 || size < 1) |
1420 | retnum = 0; |
79072805 |
1421 | else { |
a0d0e21e |
1422 | if (lvalue) { /* it's an lvalue! */ |
1423 | if (SvTYPE(TARG) < SVt_PVLV) { |
1424 | sv_upgrade(TARG, SVt_PVLV); |
1425 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); |
1426 | } |
1427 | |
1428 | LvTYPE(TARG) = 'v'; |
1429 | LvTARG(TARG) = src; |
1430 | LvTARGOFF(TARG) = offset; |
1431 | LvTARGLEN(TARG) = size; |
1432 | } |
93a17b20 |
1433 | if (len > srclen) { |
a0d0e21e |
1434 | if (size <= 8) |
1435 | retnum = 0; |
1436 | else { |
1437 | offset >>= 3; |
748a9306 |
1438 | if (size == 16) { |
1439 | if (offset >= srclen) |
1440 | retnum = 0; |
a0d0e21e |
1441 | else |
748a9306 |
1442 | retnum = (unsigned long) s[offset] << 8; |
1443 | } |
1444 | else if (size == 32) { |
1445 | if (offset >= srclen) |
1446 | retnum = 0; |
1447 | else if (offset + 1 >= srclen) |
a0d0e21e |
1448 | retnum = (unsigned long) s[offset] << 24; |
748a9306 |
1449 | else if (offset + 2 >= srclen) |
1450 | retnum = ((unsigned long) s[offset] << 24) + |
1451 | ((unsigned long) s[offset + 1] << 16); |
1452 | else |
1453 | retnum = ((unsigned long) s[offset] << 24) + |
1454 | ((unsigned long) s[offset + 1] << 16) + |
1455 | (s[offset + 2] << 8); |
a0d0e21e |
1456 | } |
1457 | } |
79072805 |
1458 | } |
a0d0e21e |
1459 | else if (size < 8) |
79072805 |
1460 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
1461 | else { |
1462 | offset >>= 3; |
1463 | if (size == 8) |
1464 | retnum = s[offset]; |
1465 | else if (size == 16) |
1466 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; |
1467 | else if (size == 32) |
1468 | retnum = ((unsigned long) s[offset] << 24) + |
1469 | ((unsigned long) s[offset + 1] << 16) + |
1470 | (s[offset + 2] << 8) + s[offset+3]; |
1471 | } |
79072805 |
1472 | } |
1473 | |
1474 | sv_setiv(TARG, (I32)retnum); |
1475 | PUSHs(TARG); |
1476 | RETURN; |
1477 | } |
1478 | |
1479 | PP(pp_index) |
1480 | { |
1481 | dSP; dTARGET; |
1482 | SV *big; |
1483 | SV *little; |
1484 | I32 offset; |
1485 | I32 retval; |
1486 | char *tmps; |
1487 | char *tmps2; |
463ee0b2 |
1488 | STRLEN biglen; |
a0d0e21e |
1489 | I32 arybase = curcop->cop_arybase; |
79072805 |
1490 | |
1491 | if (MAXARG < 3) |
1492 | offset = 0; |
1493 | else |
1494 | offset = POPi - arybase; |
1495 | little = POPs; |
1496 | big = POPs; |
463ee0b2 |
1497 | tmps = SvPV(big, biglen); |
79072805 |
1498 | if (offset < 0) |
1499 | offset = 0; |
93a17b20 |
1500 | else if (offset > biglen) |
1501 | offset = biglen; |
79072805 |
1502 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
93a17b20 |
1503 | (unsigned char*)tmps + biglen, little))) |
79072805 |
1504 | retval = -1 + arybase; |
1505 | else |
1506 | retval = tmps2 - tmps + arybase; |
1507 | PUSHi(retval); |
1508 | RETURN; |
1509 | } |
1510 | |
1511 | PP(pp_rindex) |
1512 | { |
1513 | dSP; dTARGET; |
1514 | SV *big; |
1515 | SV *little; |
463ee0b2 |
1516 | STRLEN blen; |
1517 | STRLEN llen; |
79072805 |
1518 | SV *offstr; |
1519 | I32 offset; |
1520 | I32 retval; |
1521 | char *tmps; |
1522 | char *tmps2; |
a0d0e21e |
1523 | I32 arybase = curcop->cop_arybase; |
79072805 |
1524 | |
a0d0e21e |
1525 | if (MAXARG >= 3) |
79072805 |
1526 | offstr = POPs; |
1527 | little = POPs; |
1528 | big = POPs; |
463ee0b2 |
1529 | tmps2 = SvPV(little, llen); |
1530 | tmps = SvPV(big, blen); |
79072805 |
1531 | if (MAXARG < 3) |
463ee0b2 |
1532 | offset = blen; |
79072805 |
1533 | else |
463ee0b2 |
1534 | offset = SvIV(offstr) - arybase + llen; |
79072805 |
1535 | if (offset < 0) |
1536 | offset = 0; |
463ee0b2 |
1537 | else if (offset > blen) |
1538 | offset = blen; |
79072805 |
1539 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 |
1540 | tmps2, tmps2 + llen))) |
79072805 |
1541 | retval = -1 + arybase; |
1542 | else |
1543 | retval = tmps2 - tmps + arybase; |
1544 | PUSHi(retval); |
1545 | RETURN; |
1546 | } |
1547 | |
1548 | PP(pp_sprintf) |
1549 | { |
1550 | dSP; dMARK; dORIGMARK; dTARGET; |
1551 | do_sprintf(TARG, SP-MARK, MARK+1); |
1552 | SP = ORIGMARK; |
1553 | PUSHTARG; |
1554 | RETURN; |
1555 | } |
1556 | |
79072805 |
1557 | PP(pp_ord) |
1558 | { |
1559 | dSP; dTARGET; |
1560 | I32 value; |
1561 | char *tmps; |
79072805 |
1562 | |
79072805 |
1563 | #ifndef I286 |
a0d0e21e |
1564 | tmps = POPp; |
79072805 |
1565 | value = (I32) (*tmps & 255); |
1566 | #else |
a0d0e21e |
1567 | I32 anum; |
1568 | tmps = POPp; |
79072805 |
1569 | anum = (I32) *tmps; |
1570 | value = (I32) (anum & 255); |
1571 | #endif |
1572 | XPUSHi(value); |
1573 | RETURN; |
1574 | } |
1575 | |
463ee0b2 |
1576 | PP(pp_chr) |
1577 | { |
1578 | dSP; dTARGET; |
1579 | char *tmps; |
1580 | |
748a9306 |
1581 | (void)SvUPGRADE(TARG,SVt_PV); |
1582 | SvGROW(TARG,2); |
463ee0b2 |
1583 | SvCUR_set(TARG, 1); |
1584 | tmps = SvPVX(TARG); |
748a9306 |
1585 | *tmps++ = POPi; |
1586 | *tmps = '\0'; |
a0d0e21e |
1587 | (void)SvPOK_only(TARG); |
463ee0b2 |
1588 | XPUSHs(TARG); |
1589 | RETURN; |
1590 | } |
1591 | |
79072805 |
1592 | PP(pp_crypt) |
1593 | { |
1594 | dSP; dTARGET; dPOPTOPssrl; |
1595 | #ifdef HAS_CRYPT |
a0d0e21e |
1596 | char *tmps = SvPV(left, na); |
79072805 |
1597 | #ifdef FCRYPT |
a0d0e21e |
1598 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, na))); |
79072805 |
1599 | #else |
a0d0e21e |
1600 | sv_setpv(TARG, crypt(tmps, SvPV(right, na))); |
79072805 |
1601 | #endif |
1602 | #else |
1603 | DIE( |
1604 | "The crypt() function is unimplemented due to excessive paranoia."); |
1605 | #endif |
1606 | SETs(TARG); |
1607 | RETURN; |
1608 | } |
1609 | |
1610 | PP(pp_ucfirst) |
1611 | { |
1612 | dSP; |
1613 | SV *sv = TOPs; |
1614 | register char *s; |
1615 | |
ed6116ce |
1616 | if (!SvPADTMP(sv)) { |
79072805 |
1617 | dTARGET; |
1618 | sv_setsv(TARG, sv); |
1619 | sv = TARG; |
1620 | SETs(sv); |
1621 | } |
a0d0e21e |
1622 | s = SvPV_force(sv, na); |
1623 | if (isLOWER(*s)) |
1624 | *s = toUPPER(*s); |
79072805 |
1625 | |
1626 | RETURN; |
1627 | } |
1628 | |
1629 | PP(pp_lcfirst) |
1630 | { |
1631 | dSP; |
1632 | SV *sv = TOPs; |
1633 | register char *s; |
1634 | |
ed6116ce |
1635 | if (!SvPADTMP(sv)) { |
79072805 |
1636 | dTARGET; |
1637 | sv_setsv(TARG, sv); |
1638 | sv = TARG; |
1639 | SETs(sv); |
1640 | } |
a0d0e21e |
1641 | s = SvPV_force(sv, na); |
1642 | if (isUPPER(*s)) |
1643 | *s = toLOWER(*s); |
79072805 |
1644 | |
1645 | SETs(sv); |
1646 | RETURN; |
1647 | } |
1648 | |
1649 | PP(pp_uc) |
1650 | { |
1651 | dSP; |
1652 | SV *sv = TOPs; |
1653 | register char *s; |
1654 | register char *send; |
463ee0b2 |
1655 | STRLEN len; |
79072805 |
1656 | |
ed6116ce |
1657 | if (!SvPADTMP(sv)) { |
79072805 |
1658 | dTARGET; |
1659 | sv_setsv(TARG, sv); |
1660 | sv = TARG; |
1661 | SETs(sv); |
1662 | } |
a0d0e21e |
1663 | s = SvPV_force(sv, len); |
463ee0b2 |
1664 | send = s + len; |
79072805 |
1665 | while (s < send) { |
a0d0e21e |
1666 | if (isLOWER(*s)) |
1667 | *s = toUPPER(*s); |
79072805 |
1668 | s++; |
1669 | } |
1670 | RETURN; |
1671 | } |
1672 | |
1673 | PP(pp_lc) |
1674 | { |
1675 | dSP; |
1676 | SV *sv = TOPs; |
1677 | register char *s; |
1678 | register char *send; |
463ee0b2 |
1679 | STRLEN len; |
79072805 |
1680 | |
ed6116ce |
1681 | if (!SvPADTMP(sv)) { |
79072805 |
1682 | dTARGET; |
1683 | sv_setsv(TARG, sv); |
1684 | sv = TARG; |
1685 | SETs(sv); |
1686 | } |
a0d0e21e |
1687 | s = SvPV_force(sv, len); |
463ee0b2 |
1688 | send = s + len; |
79072805 |
1689 | while (s < send) { |
a0d0e21e |
1690 | if (isUPPER(*s)) |
1691 | *s = toLOWER(*s); |
79072805 |
1692 | s++; |
1693 | } |
1694 | RETURN; |
1695 | } |
1696 | |
a0d0e21e |
1697 | PP(pp_quotemeta) |
79072805 |
1698 | { |
a0d0e21e |
1699 | dSP; dTARGET; |
1700 | SV *sv = TOPs; |
1701 | STRLEN len; |
1702 | register char *s = SvPV(sv,len); |
1703 | register char *d; |
79072805 |
1704 | |
a0d0e21e |
1705 | if (len) { |
1706 | (void)SvUPGRADE(TARG, SVt_PV); |
1707 | SvGROW(TARG, len * 2); |
1708 | d = SvPVX(TARG); |
1709 | while (len--) { |
1710 | if (!isALNUM(*s)) |
1711 | *d++ = '\\'; |
1712 | *d++ = *s++; |
79072805 |
1713 | } |
a0d0e21e |
1714 | *d = '\0'; |
1715 | SvCUR_set(TARG, d - SvPVX(TARG)); |
1716 | (void)SvPOK_only(TARG); |
79072805 |
1717 | } |
a0d0e21e |
1718 | else |
1719 | sv_setpvn(TARG, s, len); |
1720 | SETs(TARG); |
79072805 |
1721 | RETURN; |
1722 | } |
1723 | |
a0d0e21e |
1724 | /* Arrays. */ |
79072805 |
1725 | |
a0d0e21e |
1726 | PP(pp_aslice) |
79072805 |
1727 | { |
a0d0e21e |
1728 | dSP; dMARK; dORIGMARK; |
1729 | register SV** svp; |
1730 | register AV* av = (AV*)POPs; |
1731 | register I32 lval = op->op_flags & OPf_MOD; |
748a9306 |
1732 | I32 arybase = curcop->cop_arybase; |
1733 | I32 elem; |
79072805 |
1734 | |
a0d0e21e |
1735 | if (SvTYPE(av) == SVt_PVAV) { |
748a9306 |
1736 | if (lval && op->op_private & OPpLVAL_INTRO) { |
1737 | I32 max = -1; |
1738 | for (svp = mark + 1; svp <= sp; svp++) { |
1739 | elem = SvIVx(*svp); |
1740 | if (elem > max) |
1741 | max = elem; |
1742 | } |
1743 | if (max > AvMAX(av)) |
1744 | av_extend(av, max); |
1745 | } |
a0d0e21e |
1746 | while (++MARK <= SP) { |
748a9306 |
1747 | elem = SvIVx(*MARK); |
a0d0e21e |
1748 | |
748a9306 |
1749 | if (elem > 0) |
1750 | elem -= arybase; |
a0d0e21e |
1751 | svp = av_fetch(av, elem, lval); |
1752 | if (lval) { |
1753 | if (!svp || *svp == &sv_undef) |
1754 | DIE(no_aelem, elem); |
1755 | if (op->op_private & OPpLVAL_INTRO) |
1756 | save_svref(svp); |
79072805 |
1757 | } |
a0d0e21e |
1758 | *MARK = svp ? *svp : &sv_undef; |
79072805 |
1759 | } |
1760 | } |
748a9306 |
1761 | if (GIMME != G_ARRAY) { |
a0d0e21e |
1762 | MARK = ORIGMARK; |
1763 | *++MARK = *SP; |
1764 | SP = MARK; |
1765 | } |
79072805 |
1766 | RETURN; |
1767 | } |
1768 | |
1769 | /* Associative arrays. */ |
1770 | |
1771 | PP(pp_each) |
1772 | { |
1773 | dSP; dTARGET; |
1774 | HV *hash = (HV*)POPs; |
1775 | HE *entry = hv_iternext(hash); |
1776 | I32 i; |
1777 | char *tmps; |
1778 | |
79072805 |
1779 | EXTEND(SP, 2); |
1780 | if (entry) { |
8990e307 |
1781 | tmps = hv_iterkey(entry, &i); |
1782 | if (!i) |
1783 | tmps = ""; |
1784 | PUSHs(sv_2mortal(newSVpv(tmps, i))); |
79072805 |
1785 | if (GIMME == G_ARRAY) { |
8990e307 |
1786 | sv_setsv(TARG, hv_iterval(hash, entry)); |
1787 | PUSHs(TARG); |
79072805 |
1788 | } |
79072805 |
1789 | } |
1790 | else if (GIMME == G_SCALAR) |
1791 | RETPUSHUNDEF; |
1792 | |
1793 | RETURN; |
1794 | } |
1795 | |
1796 | PP(pp_values) |
1797 | { |
1798 | return do_kv(ARGS); |
1799 | } |
1800 | |
1801 | PP(pp_keys) |
1802 | { |
1803 | return do_kv(ARGS); |
1804 | } |
1805 | |
1806 | PP(pp_delete) |
1807 | { |
1808 | dSP; |
1809 | SV *sv; |
1810 | SV *tmpsv = POPs; |
1811 | HV *hv = (HV*)POPs; |
1812 | char *tmps; |
463ee0b2 |
1813 | STRLEN len; |
a0d0e21e |
1814 | if (SvTYPE(hv) != SVt_PVHV) { |
1815 | DIE("Not a HASH reference"); |
79072805 |
1816 | } |
463ee0b2 |
1817 | tmps = SvPV(tmpsv, len); |
748a9306 |
1818 | sv = hv_delete(hv, tmps, len, |
1819 | op->op_private & OPpLEAVE_VOID ? G_DISCARD : 0); |
79072805 |
1820 | if (!sv) |
1821 | RETPUSHUNDEF; |
1822 | PUSHs(sv); |
1823 | RETURN; |
1824 | } |
1825 | |
a0d0e21e |
1826 | PP(pp_exists) |
79072805 |
1827 | { |
a0d0e21e |
1828 | dSP; |
1829 | SV *tmpsv = POPs; |
1830 | HV *hv = (HV*)POPs; |
1831 | char *tmps; |
1832 | STRLEN len; |
1833 | if (SvTYPE(hv) != SVt_PVHV) { |
1834 | DIE("Not a HASH reference"); |
1835 | } |
1836 | tmps = SvPV(tmpsv, len); |
1837 | if (hv_exists(hv, tmps, len)) |
1838 | RETPUSHYES; |
1839 | RETPUSHNO; |
1840 | } |
79072805 |
1841 | |
a0d0e21e |
1842 | PP(pp_hslice) |
1843 | { |
1844 | dSP; dMARK; dORIGMARK; |
1845 | register SV **svp; |
1846 | register HV *hv = (HV*)POPs; |
1847 | register I32 lval = op->op_flags & OPf_MOD; |
79072805 |
1848 | |
a0d0e21e |
1849 | if (SvTYPE(hv) == SVt_PVHV) { |
1850 | while (++MARK <= SP) { |
1851 | STRLEN keylen; |
1852 | char *key = SvPV(*MARK, keylen); |
79072805 |
1853 | |
a0d0e21e |
1854 | svp = hv_fetch(hv, key, keylen, lval); |
1855 | if (lval) { |
1856 | if (!svp || *svp == &sv_undef) |
1857 | DIE(no_helem, key); |
1858 | if (op->op_private & OPpLVAL_INTRO) |
1859 | save_svref(svp); |
93a17b20 |
1860 | } |
a0d0e21e |
1861 | *MARK = svp ? *svp : &sv_undef; |
79072805 |
1862 | } |
1863 | } |
a0d0e21e |
1864 | if (GIMME != G_ARRAY) { |
1865 | MARK = ORIGMARK; |
1866 | *++MARK = *SP; |
1867 | SP = MARK; |
79072805 |
1868 | } |
a0d0e21e |
1869 | RETURN; |
1870 | } |
1871 | |
1872 | /* List operators. */ |
1873 | |
1874 | PP(pp_list) |
1875 | { |
1876 | dSP; dMARK; |
1877 | if (GIMME != G_ARRAY) { |
1878 | if (++MARK <= SP) |
1879 | *MARK = *SP; /* unwanted list, return last item */ |
8990e307 |
1880 | else |
a0d0e21e |
1881 | *MARK = &sv_undef; |
1882 | SP = MARK; |
79072805 |
1883 | } |
a0d0e21e |
1884 | RETURN; |
79072805 |
1885 | } |
1886 | |
a0d0e21e |
1887 | PP(pp_lslice) |
79072805 |
1888 | { |
1889 | dSP; |
a0d0e21e |
1890 | SV **lastrelem = stack_sp; |
1891 | SV **lastlelem = stack_base + POPMARK; |
1892 | SV **firstlelem = stack_base + POPMARK + 1; |
1893 | register SV **firstrelem = lastlelem + 1; |
1894 | I32 arybase = curcop->cop_arybase; |
4633a7c4 |
1895 | I32 lval = op->op_flags & OPf_MOD; |
1896 | I32 is_something_there = lval; |
79072805 |
1897 | |
a0d0e21e |
1898 | register I32 max = lastrelem - lastlelem; |
1899 | register SV **lelem; |
1900 | register I32 ix; |
1901 | |
1902 | if (GIMME != G_ARRAY) { |
748a9306 |
1903 | ix = SvIVx(*lastlelem); |
1904 | if (ix < 0) |
1905 | ix += max; |
1906 | else |
1907 | ix -= arybase; |
a0d0e21e |
1908 | if (ix < 0 || ix >= max) |
1909 | *firstlelem = &sv_undef; |
1910 | else |
1911 | *firstlelem = firstrelem[ix]; |
1912 | SP = firstlelem; |
1913 | RETURN; |
1914 | } |
1915 | |
1916 | if (max == 0) { |
1917 | SP = firstlelem - 1; |
1918 | RETURN; |
1919 | } |
1920 | |
1921 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { |
748a9306 |
1922 | ix = SvIVx(*lelem); |
a0d0e21e |
1923 | if (ix < 0) { |
1924 | ix += max; |
1925 | if (ix < 0) |
1926 | *lelem = &sv_undef; |
1927 | else if (!(*lelem = firstrelem[ix])) |
1928 | *lelem = &sv_undef; |
79072805 |
1929 | } |
748a9306 |
1930 | else { |
1931 | ix -= arybase; |
1932 | if (ix >= max || !(*lelem = firstrelem[ix])) |
1933 | *lelem = &sv_undef; |
1934 | } |
4633a7c4 |
1935 | if (!is_something_there && (SvOKp(*lelem) || SvGMAGICAL(*lelem))) |
1936 | is_something_there = TRUE; |
79072805 |
1937 | } |
4633a7c4 |
1938 | if (is_something_there) |
1939 | SP = lastlelem; |
1940 | else |
1941 | SP = firstlelem - 1; |
79072805 |
1942 | RETURN; |
1943 | } |
1944 | |
a0d0e21e |
1945 | PP(pp_anonlist) |
1946 | { |
1947 | dSP; dMARK; |
1948 | I32 items = SP - MARK; |
1949 | SP = MARK; |
1950 | XPUSHs((SV*)sv_2mortal((SV*)av_make(items, MARK+1))); |
1951 | RETURN; |
1952 | } |
1953 | |
1954 | PP(pp_anonhash) |
79072805 |
1955 | { |
1956 | dSP; dMARK; dORIGMARK; |
a0d0e21e |
1957 | STRLEN len; |
1958 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
1959 | |
1960 | while (MARK < SP) { |
1961 | SV* key = *++MARK; |
1962 | char *tmps; |
1963 | SV *val = NEWSV(46, 0); |
1964 | if (MARK < SP) |
1965 | sv_setsv(val, *++MARK); |
1966 | else |
1967 | warn("Odd number of elements in hash list"); |
1968 | tmps = SvPV(key,len); |
1969 | (void)hv_store(hv,tmps,len,val,0); |
79072805 |
1970 | } |
a0d0e21e |
1971 | SP = ORIGMARK; |
1972 | XPUSHs((SV*)hv); |
79072805 |
1973 | RETURN; |
1974 | } |
1975 | |
a0d0e21e |
1976 | PP(pp_splice) |
79072805 |
1977 | { |
a0d0e21e |
1978 | dSP; dMARK; dORIGMARK; |
1979 | register AV *ary = (AV*)*++MARK; |
1980 | register SV **src; |
1981 | register SV **dst; |
1982 | register I32 i; |
1983 | register I32 offset; |
1984 | register I32 length; |
1985 | I32 newlen; |
1986 | I32 after; |
1987 | I32 diff; |
1988 | SV **tmparyval = 0; |
79072805 |
1989 | |
a0d0e21e |
1990 | SP++; |
79072805 |
1991 | |
a0d0e21e |
1992 | if (++MARK < SP) { |
1993 | offset = SvIVx(*MARK); |
1994 | if (offset < 0) |
1995 | offset += AvFILL(ary) + 1; |
1996 | else |
1997 | offset -= curcop->cop_arybase; |
1998 | if (++MARK < SP) { |
1999 | length = SvIVx(*MARK++); |
2000 | if (length < 0) |
2001 | length = 0; |
79072805 |
2002 | } |
2003 | else |
a0d0e21e |
2004 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 |
2005 | } |
a0d0e21e |
2006 | else { |
2007 | offset = 0; |
2008 | length = AvMAX(ary) + 1; |
2009 | } |
2010 | if (offset < 0) { |
2011 | length += offset; |
2012 | offset = 0; |
2013 | if (length < 0) |
2014 | length = 0; |
2015 | } |
2016 | if (offset > AvFILL(ary) + 1) |
2017 | offset = AvFILL(ary) + 1; |
2018 | after = AvFILL(ary) + 1 - (offset + length); |
2019 | if (after < 0) { /* not that much array */ |
2020 | length += after; /* offset+length now in array */ |
2021 | after = 0; |
2022 | if (!AvALLOC(ary)) |
2023 | av_extend(ary, 0); |
2024 | } |
2025 | |
2026 | /* At this point, MARK .. SP-1 is our new LIST */ |
2027 | |
2028 | newlen = SP - MARK; |
2029 | diff = newlen - length; |
2030 | |
2031 | if (diff < 0) { /* shrinking the area */ |
2032 | if (newlen) { |
2033 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ |
2034 | Copy(MARK, tmparyval, newlen, SV*); |
79072805 |
2035 | } |
a0d0e21e |
2036 | |
2037 | MARK = ORIGMARK + 1; |
2038 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
2039 | MEXTEND(MARK, length); |
2040 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); |
2041 | if (AvREAL(ary)) { |
2042 | for (i = length, dst = MARK; i; i--) |
2043 | sv_2mortal(*dst++); /* free them eventualy */ |
2044 | } |
2045 | MARK += length - 1; |
79072805 |
2046 | } |
a0d0e21e |
2047 | else { |
2048 | *MARK = AvARRAY(ary)[offset+length-1]; |
2049 | if (AvREAL(ary)) { |
2050 | sv_2mortal(*MARK); |
2051 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2052 | SvREFCNT_dec(*dst++); /* free them now */ |
79072805 |
2053 | } |
a0d0e21e |
2054 | } |
2055 | AvFILL(ary) += diff; |
2056 | |
2057 | /* pull up or down? */ |
2058 | |
2059 | if (offset < after) { /* easier to pull up */ |
2060 | if (offset) { /* esp. if nothing to pull */ |
2061 | src = &AvARRAY(ary)[offset-1]; |
2062 | dst = src - diff; /* diff is negative */ |
2063 | for (i = offset; i > 0; i--) /* can't trust Copy */ |
2064 | *dst-- = *src--; |
79072805 |
2065 | } |
a0d0e21e |
2066 | dst = AvARRAY(ary); |
2067 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ |
2068 | AvMAX(ary) += diff; |
2069 | } |
2070 | else { |
2071 | if (after) { /* anything to pull down? */ |
2072 | src = AvARRAY(ary) + offset + length; |
2073 | dst = src + diff; /* diff is negative */ |
2074 | Move(src, dst, after, SV*); |
79072805 |
2075 | } |
a0d0e21e |
2076 | dst = &AvARRAY(ary)[AvFILL(ary)+1]; |
2077 | /* avoid later double free */ |
2078 | } |
2079 | i = -diff; |
2080 | while (i) |
2081 | dst[--i] = &sv_undef; |
2082 | |
2083 | if (newlen) { |
2084 | for (src = tmparyval, dst = AvARRAY(ary) + offset; |
2085 | newlen; newlen--) { |
2086 | *dst = NEWSV(46, 0); |
2087 | sv_setsv(*dst++, *src++); |
79072805 |
2088 | } |
a0d0e21e |
2089 | Safefree(tmparyval); |
2090 | } |
2091 | } |
2092 | else { /* no, expanding (or same) */ |
2093 | if (length) { |
2094 | New(452, tmparyval, length, SV*); /* so remember deletion */ |
2095 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); |
2096 | } |
2097 | |
2098 | if (diff > 0) { /* expanding */ |
2099 | |
2100 | /* push up or down? */ |
2101 | |
2102 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { |
2103 | if (offset) { |
2104 | src = AvARRAY(ary); |
2105 | dst = src - diff; |
2106 | Move(src, dst, offset, SV*); |
79072805 |
2107 | } |
a0d0e21e |
2108 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
2109 | AvMAX(ary) += diff; |
2110 | AvFILL(ary) += diff; |
79072805 |
2111 | } |
2112 | else { |
a0d0e21e |
2113 | if (AvFILL(ary) + diff >= AvMAX(ary)) /* oh, well */ |
2114 | av_extend(ary, AvFILL(ary) + diff); |
2115 | AvFILL(ary) += diff; |
2116 | |
2117 | if (after) { |
2118 | dst = AvARRAY(ary) + AvFILL(ary); |
2119 | src = dst - diff; |
2120 | for (i = after; i; i--) { |
2121 | *dst-- = *src--; |
2122 | } |
79072805 |
2123 | } |
2124 | } |
a0d0e21e |
2125 | } |
2126 | |
2127 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { |
2128 | *dst = NEWSV(46, 0); |
2129 | sv_setsv(*dst++, *src++); |
2130 | } |
2131 | MARK = ORIGMARK + 1; |
2132 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ |
2133 | if (length) { |
2134 | Copy(tmparyval, MARK, length, SV*); |
2135 | if (AvREAL(ary)) { |
2136 | for (i = length, dst = MARK; i; i--) |
2137 | sv_2mortal(*dst++); /* free them eventualy */ |
79072805 |
2138 | } |
a0d0e21e |
2139 | Safefree(tmparyval); |
79072805 |
2140 | } |
a0d0e21e |
2141 | MARK += length - 1; |
2142 | } |
2143 | else if (length--) { |
2144 | *MARK = tmparyval[length]; |
2145 | if (AvREAL(ary)) { |
2146 | sv_2mortal(*MARK); |
2147 | while (length-- > 0) |
2148 | SvREFCNT_dec(tmparyval[length]); |
79072805 |
2149 | } |
a0d0e21e |
2150 | Safefree(tmparyval); |
79072805 |
2151 | } |
a0d0e21e |
2152 | else |
2153 | *MARK = &sv_undef; |
79072805 |
2154 | } |
a0d0e21e |
2155 | SP = MARK; |
79072805 |
2156 | RETURN; |
2157 | } |
2158 | |
a0d0e21e |
2159 | PP(pp_push) |
79072805 |
2160 | { |
2161 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e |
2162 | register AV *ary = (AV*)*++MARK; |
2163 | register SV *sv = &sv_undef; |
79072805 |
2164 | |
a0d0e21e |
2165 | for (++MARK; MARK <= SP; MARK++) { |
2166 | sv = NEWSV(51, 0); |
2167 | if (*MARK) |
2168 | sv_setsv(sv, *MARK); |
2169 | av_push(ary, sv); |
79072805 |
2170 | } |
2171 | SP = ORIGMARK; |
a0d0e21e |
2172 | PUSHi( AvFILL(ary) + 1 ); |
79072805 |
2173 | RETURN; |
2174 | } |
2175 | |
a0d0e21e |
2176 | PP(pp_pop) |
79072805 |
2177 | { |
2178 | dSP; |
a0d0e21e |
2179 | AV *av = (AV*)POPs; |
2180 | SV *sv = av_pop(av); |
2181 | if (sv != &sv_undef && AvREAL(av)) |
2182 | (void)sv_2mortal(sv); |
2183 | PUSHs(sv); |
79072805 |
2184 | RETURN; |
79072805 |
2185 | } |
2186 | |
a0d0e21e |
2187 | PP(pp_shift) |
79072805 |
2188 | { |
2189 | dSP; |
a0d0e21e |
2190 | AV *av = (AV*)POPs; |
2191 | SV *sv = av_shift(av); |
79072805 |
2192 | EXTEND(SP, 1); |
a0d0e21e |
2193 | if (!sv) |
79072805 |
2194 | RETPUSHUNDEF; |
a0d0e21e |
2195 | if (sv != &sv_undef && AvREAL(av)) |
2196 | (void)sv_2mortal(sv); |
2197 | PUSHs(sv); |
79072805 |
2198 | RETURN; |
79072805 |
2199 | } |
2200 | |
a0d0e21e |
2201 | PP(pp_unshift) |
79072805 |
2202 | { |
a0d0e21e |
2203 | dSP; dMARK; dORIGMARK; dTARGET; |
2204 | register AV *ary = (AV*)*++MARK; |
2205 | register SV *sv; |
2206 | register I32 i = 0; |
79072805 |
2207 | |
a0d0e21e |
2208 | av_unshift(ary, SP - MARK); |
2209 | while (MARK < SP) { |
2210 | sv = NEWSV(27, 0); |
2211 | sv_setsv(sv, *++MARK); |
2212 | (void)av_store(ary, i++, sv); |
79072805 |
2213 | } |
79072805 |
2214 | |
a0d0e21e |
2215 | SP = ORIGMARK; |
2216 | PUSHi( AvFILL(ary) + 1 ); |
79072805 |
2217 | RETURN; |
79072805 |
2218 | } |
2219 | |
a0d0e21e |
2220 | PP(pp_reverse) |
79072805 |
2221 | { |
a0d0e21e |
2222 | dSP; dMARK; |
2223 | register SV *tmp; |
2224 | SV **oldsp = SP; |
79072805 |
2225 | |
a0d0e21e |
2226 | if (GIMME == G_ARRAY) { |
2227 | MARK++; |
2228 | while (MARK < SP) { |
2229 | tmp = *MARK; |
2230 | *MARK++ = *SP; |
2231 | *SP-- = tmp; |
2232 | } |
2233 | SP = oldsp; |
79072805 |
2234 | } |
2235 | else { |
a0d0e21e |
2236 | register char *up; |
2237 | register char *down; |
2238 | register I32 tmp; |
2239 | dTARGET; |
2240 | STRLEN len; |
79072805 |
2241 | |
a0d0e21e |
2242 | if (SP - MARK > 1) |
2243 | do_join(TARG, &sv_no, MARK, SP); |
2244 | else |
2245 | sv_setsv(TARG, *SP); |
2246 | up = SvPV_force(TARG, len); |
2247 | if (len > 1) { |
2248 | down = SvPVX(TARG) + len - 1; |
2249 | while (down > up) { |
2250 | tmp = *up; |
2251 | *up++ = *down; |
2252 | *down-- = tmp; |
2253 | } |
2254 | (void)SvPOK_only(TARG); |
79072805 |
2255 | } |
a0d0e21e |
2256 | SP = MARK + 1; |
2257 | SETTARG; |
79072805 |
2258 | } |
a0d0e21e |
2259 | RETURN; |
79072805 |
2260 | } |
2261 | |
a0d0e21e |
2262 | /* Explosives and implosives. */ |
2263 | |
2264 | PP(pp_unpack) |
79072805 |
2265 | { |
2266 | dSP; |
a0d0e21e |
2267 | dPOPPOPssrl; |
ed6116ce |
2268 | SV *sv; |
a0d0e21e |
2269 | STRLEN llen; |
2270 | STRLEN rlen; |
2271 | register char *pat = SvPV(left, llen); |
2272 | register char *s = SvPV(right, rlen); |
2273 | char *strend = s + rlen; |
2274 | char *strbeg = s; |
2275 | register char *patend = pat + llen; |
2276 | I32 datumtype; |
2277 | register I32 len; |
2278 | register I32 bits; |
79072805 |
2279 | |
a0d0e21e |
2280 | /* These must not be in registers: */ |
2281 | I16 ashort; |
2282 | int aint; |
2283 | I32 along; |
ecfc5424 |
2284 | #ifdef HAS_QUAD |
2285 | Quad_t aquad; |
a0d0e21e |
2286 | #endif |
2287 | U16 aushort; |
2288 | unsigned int auint; |
2289 | U32 aulong; |
ecfc5424 |
2290 | #ifdef HAS_QUAD |
2291 | unsigned Quad_t auquad; |
a0d0e21e |
2292 | #endif |
2293 | char *aptr; |
2294 | float afloat; |
2295 | double adouble; |
2296 | I32 checksum = 0; |
2297 | register U32 culong; |
2298 | double cdouble; |
2299 | static char* bitcount = 0; |
79072805 |
2300 | |
a0d0e21e |
2301 | if (GIMME != G_ARRAY) { /* arrange to do first one only */ |
2302 | /*SUPPRESS 530*/ |
2303 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; |
748a9306 |
2304 | if (strchr("aAbBhHP", *patend) || *pat == '%') { |
a0d0e21e |
2305 | patend++; |
2306 | while (isDIGIT(*patend) || *patend == '*') |
2307 | patend++; |
2308 | } |
2309 | else |
2310 | patend++; |
79072805 |
2311 | } |
a0d0e21e |
2312 | while (pat < patend) { |
2313 | reparse: |
2314 | datumtype = *pat++; |
2315 | if (pat >= patend) |
2316 | len = 1; |
2317 | else if (*pat == '*') { |
2318 | len = strend - strbeg; /* long enough */ |
2319 | pat++; |
2320 | } |
2321 | else if (isDIGIT(*pat)) { |
2322 | len = *pat++ - '0'; |
2323 | while (isDIGIT(*pat)) |
2324 | len = (len * 10) + (*pat++ - '0'); |
2325 | } |
2326 | else |
2327 | len = (datumtype != '@'); |
2328 | switch(datumtype) { |
2329 | default: |
2330 | break; |
2331 | case '%': |
2332 | if (len == 1 && pat[-1] != '1') |
2333 | len = 16; |
2334 | checksum = len; |
2335 | culong = 0; |
2336 | cdouble = 0; |
2337 | if (pat < patend) |
2338 | goto reparse; |
2339 | break; |
2340 | case '@': |
2341 | if (len > strend - strbeg) |
2342 | DIE("@ outside of string"); |
2343 | s = strbeg + len; |
2344 | break; |
2345 | case 'X': |
2346 | if (len > s - strbeg) |
2347 | DIE("X outside of string"); |
2348 | s -= len; |
2349 | break; |
2350 | case 'x': |
2351 | if (len > strend - s) |
2352 | DIE("x outside of string"); |
2353 | s += len; |
2354 | break; |
2355 | case 'A': |
2356 | case 'a': |
2357 | if (len > strend - s) |
2358 | len = strend - s; |
2359 | if (checksum) |
2360 | goto uchar_checksum; |
2361 | sv = NEWSV(35, len); |
2362 | sv_setpvn(sv, s, len); |
2363 | s += len; |
2364 | if (datumtype == 'A') { |
2365 | aptr = s; /* borrow register */ |
2366 | s = SvPVX(sv) + len - 1; |
2367 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) |
2368 | s--; |
2369 | *++s = '\0'; |
2370 | SvCUR_set(sv, s - SvPVX(sv)); |
2371 | s = aptr; /* unborrow register */ |
2372 | } |
2373 | XPUSHs(sv_2mortal(sv)); |
2374 | break; |
2375 | case 'B': |
2376 | case 'b': |
2377 | if (pat[-1] == '*' || len > (strend - s) * 8) |
2378 | len = (strend - s) * 8; |
2379 | if (checksum) { |
2380 | if (!bitcount) { |
2381 | Newz(601, bitcount, 256, char); |
2382 | for (bits = 1; bits < 256; bits++) { |
2383 | if (bits & 1) bitcount[bits]++; |
2384 | if (bits & 2) bitcount[bits]++; |
2385 | if (bits & 4) bitcount[bits]++; |
2386 | if (bits & 8) bitcount[bits]++; |
2387 | if (bits & 16) bitcount[bits]++; |
2388 | if (bits & 32) bitcount[bits]++; |
2389 | if (bits & 64) bitcount[bits]++; |
2390 | if (bits & 128) bitcount[bits]++; |
2391 | } |
2392 | } |
2393 | while (len >= 8) { |
2394 | culong += bitcount[*(unsigned char*)s++]; |
2395 | len -= 8; |
2396 | } |
2397 | if (len) { |
2398 | bits = *s; |
2399 | if (datumtype == 'b') { |
2400 | while (len-- > 0) { |
2401 | if (bits & 1) culong++; |
2402 | bits >>= 1; |
2403 | } |
2404 | } |
2405 | else { |
2406 | while (len-- > 0) { |
2407 | if (bits & 128) culong++; |
2408 | bits <<= 1; |
2409 | } |
2410 | } |
2411 | } |
79072805 |
2412 | break; |
2413 | } |
a0d0e21e |
2414 | sv = NEWSV(35, len + 1); |
2415 | SvCUR_set(sv, len); |
2416 | SvPOK_on(sv); |
2417 | aptr = pat; /* borrow register */ |
2418 | pat = SvPVX(sv); |
2419 | if (datumtype == 'b') { |
2420 | aint = len; |
2421 | for (len = 0; len < aint; len++) { |
2422 | if (len & 7) /*SUPPRESS 595*/ |
2423 | bits >>= 1; |
2424 | else |
2425 | bits = *s++; |
2426 | *pat++ = '0' + (bits & 1); |
2427 | } |
2428 | } |
2429 | else { |
2430 | aint = len; |
2431 | for (len = 0; len < aint; len++) { |
2432 | if (len & 7) |
2433 | bits <<= 1; |
2434 | else |
2435 | bits = *s++; |
2436 | *pat++ = '0' + ((bits & 128) != 0); |
2437 | } |
2438 | } |
2439 | *pat = '\0'; |
2440 | pat = aptr; /* unborrow register */ |
2441 | XPUSHs(sv_2mortal(sv)); |
2442 | break; |
2443 | case 'H': |
2444 | case 'h': |
2445 | if (pat[-1] == '*' || len > (strend - s) * 2) |
2446 | len = (strend - s) * 2; |
2447 | sv = NEWSV(35, len + 1); |
2448 | SvCUR_set(sv, len); |
2449 | SvPOK_on(sv); |
2450 | aptr = pat; /* borrow register */ |
2451 | pat = SvPVX(sv); |
2452 | if (datumtype == 'h') { |
2453 | aint = len; |
2454 | for (len = 0; len < aint; len++) { |
2455 | if (len & 1) |
2456 | bits >>= 4; |
2457 | else |
2458 | bits = *s++; |
2459 | *pat++ = hexdigit[bits & 15]; |
2460 | } |
2461 | } |
2462 | else { |
2463 | aint = len; |
2464 | for (len = 0; len < aint; len++) { |
2465 | if (len & 1) |
2466 | bits <<= 4; |
2467 | else |
2468 | bits = *s++; |
2469 | *pat++ = hexdigit[(bits >> 4) & 15]; |
2470 | } |
2471 | } |
2472 | *pat = '\0'; |
2473 | pat = aptr; /* unborrow register */ |
2474 | XPUSHs(sv_2mortal(sv)); |
2475 | break; |
2476 | case 'c': |
2477 | if (len > strend - s) |
2478 | len = strend - s; |
2479 | if (checksum) { |
2480 | while (len-- > 0) { |
2481 | aint = *s++; |
2482 | if (aint >= 128) /* fake up signed chars */ |
2483 | aint -= 256; |
2484 | culong += aint; |
2485 | } |
2486 | } |
2487 | else { |
2488 | EXTEND(SP, len); |
2489 | while (len-- > 0) { |
2490 | aint = *s++; |
2491 | if (aint >= 128) /* fake up signed chars */ |
2492 | aint -= 256; |
2493 | sv = NEWSV(36, 0); |
2494 | sv_setiv(sv, (I32)aint); |
2495 | PUSHs(sv_2mortal(sv)); |
2496 | } |
2497 | } |
2498 | break; |
2499 | case 'C': |
2500 | if (len > strend - s) |
2501 | len = strend - s; |
2502 | if (checksum) { |
2503 | uchar_checksum: |
2504 | while (len-- > 0) { |
2505 | auint = *s++ & 255; |
2506 | culong += auint; |
2507 | } |
2508 | } |
2509 | else { |
2510 | EXTEND(SP, len); |
2511 | while (len-- > 0) { |
2512 | auint = *s++ & 255; |
2513 | sv = NEWSV(37, 0); |
2514 | sv_setiv(sv, (I32)auint); |
2515 | PUSHs(sv_2mortal(sv)); |
2516 | } |
2517 | } |
2518 | break; |
2519 | case 's': |
2520 | along = (strend - s) / sizeof(I16); |
2521 | if (len > along) |
2522 | len = along; |
2523 | if (checksum) { |
2524 | while (len-- > 0) { |
2525 | Copy(s, &ashort, 1, I16); |
2526 | s += sizeof(I16); |
2527 | culong += ashort; |
2528 | } |
2529 | } |
2530 | else { |
2531 | EXTEND(SP, len); |
2532 | while (len-- > 0) { |
2533 | Copy(s, &ashort, 1, I16); |
2534 | s += sizeof(I16); |
2535 | sv = NEWSV(38, 0); |
2536 | sv_setiv(sv, (I32)ashort); |
2537 | PUSHs(sv_2mortal(sv)); |
2538 | } |
2539 | } |
2540 | break; |
2541 | case 'v': |
2542 | case 'n': |
2543 | case 'S': |
2544 | along = (strend - s) / sizeof(U16); |
2545 | if (len > along) |
2546 | len = along; |
2547 | if (checksum) { |
2548 | while (len-- > 0) { |
2549 | Copy(s, &aushort, 1, U16); |
2550 | s += sizeof(U16); |
2551 | #ifdef HAS_NTOHS |
2552 | if (datumtype == 'n') |
2553 | aushort = ntohs(aushort); |
79072805 |
2554 | #endif |
a0d0e21e |
2555 | #ifdef HAS_VTOHS |
2556 | if (datumtype == 'v') |
2557 | aushort = vtohs(aushort); |
79072805 |
2558 | #endif |
a0d0e21e |
2559 | culong += aushort; |
2560 | } |
2561 | } |
2562 | else { |
2563 | EXTEND(SP, len); |
2564 | while (len-- > 0) { |
2565 | Copy(s, &aushort, 1, U16); |
2566 | s += sizeof(U16); |
2567 | sv = NEWSV(39, 0); |
2568 | #ifdef HAS_NTOHS |
2569 | if (datumtype == 'n') |
2570 | aushort = ntohs(aushort); |
79072805 |
2571 | #endif |
a0d0e21e |
2572 | #ifdef HAS_VTOHS |
2573 | if (datumtype == 'v') |
2574 | aushort = vtohs(aushort); |
79072805 |
2575 | #endif |
a0d0e21e |
2576 | sv_setiv(sv, (I32)aushort); |
2577 | PUSHs(sv_2mortal(sv)); |
2578 | } |
2579 | } |
2580 | break; |
2581 | case 'i': |
2582 | along = (strend - s) / sizeof(int); |
2583 | if (len > along) |
2584 | len = along; |
2585 | if (checksum) { |
2586 | while (len-- > 0) { |
2587 | Copy(s, &aint, 1, int); |
2588 | s += sizeof(int); |
2589 | if (checksum > 32) |
2590 | cdouble += (double)aint; |
2591 | else |
2592 | culong += aint; |
2593 | } |
2594 | } |
2595 | else { |
2596 | EXTEND(SP, len); |
2597 | while (len-- > 0) { |
2598 | Copy(s, &aint, 1, int); |
2599 | s += sizeof(int); |
2600 | sv = NEWSV(40, 0); |
2601 | sv_setiv(sv, (I32)aint); |
2602 | PUSHs(sv_2mortal(sv)); |
2603 | } |
2604 | } |
2605 | break; |
2606 | case 'I': |
2607 | along = (strend - s) / sizeof(unsigned int); |
2608 | if (len > along) |
2609 | len = along; |
2610 | if (checksum) { |
2611 | while (len-- > 0) { |
2612 | Copy(s, &auint, 1, unsigned int); |
2613 | s += sizeof(unsigned int); |
2614 | if (checksum > 32) |
2615 | cdouble += (double)auint; |
2616 | else |
2617 | culong += auint; |
2618 | } |
2619 | } |
2620 | else { |
2621 | EXTEND(SP, len); |
2622 | while (len-- > 0) { |
2623 | Copy(s, &auint, 1, unsigned int); |
2624 | s += sizeof(unsigned int); |
2625 | sv = NEWSV(41, 0); |
2626 | sv_setiv(sv, (I32)auint); |
2627 | PUSHs(sv_2mortal(sv)); |
2628 | } |
2629 | } |
2630 | break; |
2631 | case 'l': |
2632 | along = (strend - s) / sizeof(I32); |
2633 | if (len > along) |
2634 | len = along; |
2635 | if (checksum) { |
2636 | while (len-- > 0) { |
2637 | Copy(s, &along, 1, I32); |
2638 | s += sizeof(I32); |
2639 | if (checksum > 32) |
2640 | cdouble += (double)along; |
2641 | else |
2642 | culong += along; |
2643 | } |
2644 | } |
2645 | else { |
2646 | EXTEND(SP, len); |
2647 | while (len-- > 0) { |
2648 | Copy(s, &along, 1, I32); |
2649 | s += sizeof(I32); |
2650 | sv = NEWSV(42, 0); |
2651 | sv_setiv(sv, (I32)along); |
2652 | PUSHs(sv_2mortal(sv)); |
2653 | } |
79072805 |
2654 | } |
a0d0e21e |
2655 | break; |
2656 | case 'V': |
2657 | case 'N': |
2658 | case 'L': |
2659 | along = (strend - s) / sizeof(U32); |
2660 | if (len > along) |
2661 | len = along; |
2662 | if (checksum) { |
2663 | while (len-- > 0) { |
2664 | Copy(s, &aulong, 1, U32); |
2665 | s += sizeof(U32); |
2666 | #ifdef HAS_NTOHL |
2667 | if (datumtype == 'N') |
2668 | aulong = ntohl(aulong); |
79072805 |
2669 | #endif |
a0d0e21e |
2670 | #ifdef HAS_VTOHL |
2671 | if (datumtype == 'V') |
2672 | aulong = vtohl(aulong); |
79072805 |
2673 | #endif |
a0d0e21e |
2674 | if (checksum > 32) |
2675 | cdouble += (double)aulong; |
2676 | else |
2677 | culong += aulong; |
2678 | } |
2679 | } |
2680 | else { |
2681 | EXTEND(SP, len); |
2682 | while (len-- > 0) { |
2683 | Copy(s, &aulong, 1, U32); |
2684 | s += sizeof(U32); |
2685 | sv = NEWSV(43, 0); |
2686 | #ifdef HAS_NTOHL |
2687 | if (datumtype == 'N') |
2688 | aulong = ntohl(aulong); |
79072805 |
2689 | #endif |
a0d0e21e |
2690 | #ifdef HAS_VTOHL |
2691 | if (datumtype == 'V') |
2692 | aulong = vtohl(aulong); |
79072805 |
2693 | #endif |
a0d0e21e |
2694 | sv_setnv(sv, (double)aulong); |
2695 | PUSHs(sv_2mortal(sv)); |
2696 | } |
2697 | } |
2698 | break; |
2699 | case 'p': |
2700 | along = (strend - s) / sizeof(char*); |
2701 | if (len > along) |
2702 | len = along; |
2703 | EXTEND(SP, len); |
2704 | while (len-- > 0) { |
2705 | if (sizeof(char*) > strend - s) |
2706 | break; |
2707 | else { |
2708 | Copy(s, &aptr, 1, char*); |
2709 | s += sizeof(char*); |
2710 | } |
2711 | sv = NEWSV(44, 0); |
2712 | if (aptr) |
2713 | sv_setpv(sv, aptr); |
2714 | PUSHs(sv_2mortal(sv)); |
2715 | } |
2716 | break; |
2717 | case 'P': |
2718 | EXTEND(SP, 1); |
2719 | if (sizeof(char*) > strend - s) |
2720 | break; |
2721 | else { |
2722 | Copy(s, &aptr, 1, char*); |
2723 | s += sizeof(char*); |
2724 | } |
2725 | sv = NEWSV(44, 0); |
2726 | if (aptr) |
2727 | sv_setpvn(sv, aptr, len); |
2728 | PUSHs(sv_2mortal(sv)); |
2729 | break; |
ecfc5424 |
2730 | #ifdef HAS_QUAD |
a0d0e21e |
2731 | case 'q': |
2732 | EXTEND(SP, len); |
2733 | while (len-- > 0) { |
ecfc5424 |
2734 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e |
2735 | aquad = 0; |
2736 | else { |
ecfc5424 |
2737 | Copy(s, &aquad, 1, Quad_t); |
2738 | s += sizeof(Quad_t); |
a0d0e21e |
2739 | } |
2740 | sv = NEWSV(42, 0); |
2741 | sv_setiv(sv, (IV)aquad); |
2742 | PUSHs(sv_2mortal(sv)); |
2743 | } |
2744 | break; |
2745 | case 'Q': |
2746 | EXTEND(SP, len); |
2747 | while (len-- > 0) { |
ecfc5424 |
2748 | if (s + sizeof(unsigned Quad_t) > strend) |
a0d0e21e |
2749 | auquad = 0; |
2750 | else { |
ecfc5424 |
2751 | Copy(s, &auquad, 1, unsigned Quad_t); |
2752 | s += sizeof(unsigned Quad_t); |
a0d0e21e |
2753 | } |
2754 | sv = NEWSV(43, 0); |
2755 | sv_setiv(sv, (IV)auquad); |
2756 | PUSHs(sv_2mortal(sv)); |
2757 | } |
2758 | break; |
79072805 |
2759 | #endif |
a0d0e21e |
2760 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
2761 | case 'f': |
2762 | case 'F': |
2763 | along = (strend - s) / sizeof(float); |
2764 | if (len > along) |
2765 | len = along; |
2766 | if (checksum) { |
2767 | while (len-- > 0) { |
2768 | Copy(s, &afloat, 1, float); |
2769 | s += sizeof(float); |
2770 | cdouble += afloat; |
2771 | } |
2772 | } |
2773 | else { |
2774 | EXTEND(SP, len); |
2775 | while (len-- > 0) { |
2776 | Copy(s, &afloat, 1, float); |
2777 | s += sizeof(float); |
2778 | sv = NEWSV(47, 0); |
2779 | sv_setnv(sv, (double)afloat); |
2780 | PUSHs(sv_2mortal(sv)); |
2781 | } |
2782 | } |
2783 | break; |
2784 | case 'd': |
2785 | case 'D': |
2786 | along = (strend - s) / sizeof(double); |
2787 | if (len > along) |
2788 | len = along; |
2789 | if (checksum) { |
2790 | while (len-- > 0) { |
2791 | Copy(s, &adouble, 1, double); |
2792 | s += sizeof(double); |
2793 | cdouble += adouble; |
2794 | } |
2795 | } |
2796 | else { |
2797 | EXTEND(SP, len); |
2798 | while (len-- > 0) { |
2799 | Copy(s, &adouble, 1, double); |
2800 | s += sizeof(double); |
2801 | sv = NEWSV(48, 0); |
2802 | sv_setnv(sv, (double)adouble); |
2803 | PUSHs(sv_2mortal(sv)); |
2804 | } |
2805 | } |
2806 | break; |
2807 | case 'u': |
2808 | along = (strend - s) * 3 / 4; |
2809 | sv = NEWSV(42, along); |
2810 | while (s < strend && *s > ' ' && *s < 'a') { |
2811 | I32 a, b, c, d; |
2812 | char hunk[4]; |
79072805 |
2813 | |
a0d0e21e |
2814 | hunk[3] = '\0'; |
2815 | len = (*s++ - ' ') & 077; |
2816 | while (len > 0) { |
2817 | if (s < strend && *s >= ' ') |
2818 | a = (*s++ - ' ') & 077; |
2819 | else |
2820 | a = 0; |
2821 | if (s < strend && *s >= ' ') |
2822 | b = (*s++ - ' ') & 077; |
2823 | else |
2824 | b = 0; |
2825 | if (s < strend && *s >= ' ') |
2826 | c = (*s++ - ' ') & 077; |
2827 | else |
2828 | c = 0; |
2829 | if (s < strend && *s >= ' ') |
2830 | d = (*s++ - ' ') & 077; |
2831 | else |
2832 | d = 0; |
2833 | hunk[0] = a << 2 | b >> 4; |
2834 | hunk[1] = b << 4 | c >> 2; |
2835 | hunk[2] = c << 6 | d; |
2836 | sv_catpvn(sv, hunk, len > 3 ? 3 : len); |
2837 | len -= 3; |
2838 | } |
2839 | if (*s == '\n') |
2840 | s++; |
2841 | else if (s[1] == '\n') /* possible checksum byte */ |
2842 | s += 2; |
79072805 |
2843 | } |
a0d0e21e |
2844 | XPUSHs(sv_2mortal(sv)); |
2845 | break; |
79072805 |
2846 | } |
a0d0e21e |
2847 | if (checksum) { |
2848 | sv = NEWSV(42, 0); |
2849 | if (strchr("fFdD", datumtype) || |
2850 | (checksum > 32 && strchr("iIlLN", datumtype)) ) { |
2851 | double trouble; |
79072805 |
2852 | |
a0d0e21e |
2853 | adouble = 1.0; |
2854 | while (checksum >= 16) { |
2855 | checksum -= 16; |
2856 | adouble *= 65536.0; |
2857 | } |
2858 | while (checksum >= 4) { |
2859 | checksum -= 4; |
2860 | adouble *= 16.0; |
2861 | } |
2862 | while (checksum--) |
2863 | adouble *= 2.0; |
2864 | along = (1 << checksum) - 1; |
2865 | while (cdouble < 0.0) |
2866 | cdouble += adouble; |
2867 | cdouble = modf(cdouble / adouble, &trouble) * adouble; |
2868 | sv_setnv(sv, cdouble); |
2869 | } |
2870 | else { |
2871 | if (checksum < 32) { |
2872 | along = (1 << checksum) - 1; |
2873 | culong &= (U32)along; |
2874 | } |
2875 | sv_setnv(sv, (double)culong); |
2876 | } |
2877 | XPUSHs(sv_2mortal(sv)); |
2878 | checksum = 0; |
79072805 |
2879 | } |
79072805 |
2880 | } |
79072805 |
2881 | RETURN; |
79072805 |
2882 | } |
2883 | |
a0d0e21e |
2884 | static void |
2885 | doencodes(sv, s, len) |
2886 | register SV *sv; |
2887 | register char *s; |
2888 | register I32 len; |
79072805 |
2889 | { |
a0d0e21e |
2890 | char hunk[5]; |
79072805 |
2891 | |
a0d0e21e |
2892 | *hunk = len + ' '; |
2893 | sv_catpvn(sv, hunk, 1); |
2894 | hunk[4] = '\0'; |
2895 | while (len > 0) { |
2896 | hunk[0] = ' ' + (077 & (*s >> 2)); |
2897 | hunk[1] = ' ' + (077 & ((*s << 4) & 060 | (s[1] >> 4) & 017)); |
2898 | hunk[2] = ' ' + (077 & ((s[1] << 2) & 074 | (s[2] >> 6) & 03)); |
2899 | hunk[3] = ' ' + (077 & (s[2] & 077)); |
2900 | sv_catpvn(sv, hunk, 4); |
2901 | s += 3; |
2902 | len -= 3; |
2903 | } |
2904 | for (s = SvPVX(sv); *s; s++) { |
2905 | if (*s == ' ') |
2906 | *s = '`'; |
2907 | } |
2908 | sv_catpvn(sv, "\n", 1); |
79072805 |
2909 | } |
2910 | |
a0d0e21e |
2911 | PP(pp_pack) |
79072805 |
2912 | { |
a0d0e21e |
2913 | dSP; dMARK; dORIGMARK; dTARGET; |
2914 | register SV *cat = TARG; |
2915 | register I32 items; |
2916 | STRLEN fromlen; |
2917 | register char *pat = SvPVx(*++MARK, fromlen); |
2918 | register char *patend = pat + fromlen; |
2919 | register I32 len; |
2920 | I32 datumtype; |
2921 | SV *fromstr; |
2922 | /*SUPPRESS 442*/ |
2923 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; |
2924 | static char *space10 = " "; |
79072805 |
2925 | |
a0d0e21e |
2926 | /* These must not be in registers: */ |
2927 | char achar; |
2928 | I16 ashort; |
2929 | int aint; |
2930 | unsigned int auint; |
2931 | I32 along; |
2932 | U32 aulong; |
ecfc5424 |
2933 | #ifdef HAS_QUAD |
2934 | Quad_t aquad; |
2935 | unsigned Quad_t auquad; |
79072805 |
2936 | #endif |
a0d0e21e |
2937 | char *aptr; |
2938 | float afloat; |
2939 | double adouble; |
79072805 |
2940 | |
a0d0e21e |
2941 | items = SP - MARK; |
2942 | MARK++; |
2943 | sv_setpvn(cat, "", 0); |
2944 | while (pat < patend) { |
2945 | #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no) |
2946 | datumtype = *pat++; |
2947 | if (*pat == '*') { |
2948 | len = strchr("@Xxu", datumtype) ? 0 : items; |
2949 | pat++; |
2950 | } |
2951 | else if (isDIGIT(*pat)) { |
2952 | len = *pat++ - '0'; |
2953 | while (isDIGIT(*pat)) |
2954 | len = (len * 10) + (*pat++ - '0'); |
2955 | } |
2956 | else |
2957 | len = 1; |
2958 | switch(datumtype) { |
2959 | default: |
2960 | break; |
2961 | case '%': |
2962 | DIE("%% may only be used in unpack"); |
2963 | case '@': |
2964 | len -= SvCUR(cat); |
2965 | if (len > 0) |
2966 | goto grow; |
2967 | len = -len; |
2968 | if (len > 0) |
2969 | goto shrink; |
2970 | break; |
2971 | case 'X': |
2972 | shrink: |
2973 | if (SvCUR(cat) < len) |
2974 | DIE("X outside of string"); |
2975 | SvCUR(cat) -= len; |
2976 | *SvEND(cat) = '\0'; |
2977 | break; |
2978 | case 'x': |
2979 | grow: |
2980 | while (len >= 10) { |
2981 | sv_catpvn(cat, null10, 10); |
2982 | len -= 10; |
2983 | } |
2984 | sv_catpvn(cat, null10, len); |
2985 | break; |
2986 | case 'A': |
2987 | case 'a': |
2988 | fromstr = NEXTFROM; |
2989 | aptr = SvPV(fromstr, fromlen); |
2990 | if (pat[-1] == '*') |
2991 | len = fromlen; |
2992 | if (fromlen > len) |
2993 | sv_catpvn(cat, aptr, len); |
2994 | else { |
2995 | sv_catpvn(cat, aptr, fromlen); |
2996 | len -= fromlen; |
2997 | if (datumtype == 'A') { |
2998 | while (len >= 10) { |
2999 | sv_catpvn(cat, space10, 10); |
3000 | len -= 10; |
3001 | } |
3002 | sv_catpvn(cat, space10, len); |
3003 | } |
3004 | else { |
3005 | while (len >= 10) { |
3006 | sv_catpvn(cat, null10, 10); |
3007 | len -= 10; |
3008 | } |
3009 | sv_catpvn(cat, null10, len); |
3010 | } |
3011 | } |
3012 | break; |
3013 | case 'B': |
3014 | case 'b': |
3015 | { |
3016 | char *savepat = pat; |
3017 | I32 saveitems; |
79072805 |
3018 | |
a0d0e21e |
3019 | fromstr = NEXTFROM; |
3020 | saveitems = items; |
3021 | aptr = SvPV(fromstr, fromlen); |
3022 | if (pat[-1] == '*') |
3023 | len = fromlen; |
3024 | pat = aptr; |
3025 | aint = SvCUR(cat); |
3026 | SvCUR(cat) += (len+7)/8; |
3027 | SvGROW(cat, SvCUR(cat) + 1); |
3028 | aptr = SvPVX(cat) + aint; |
3029 | if (len > fromlen) |
3030 | len = fromlen; |
3031 | aint = len; |
3032 | items = 0; |
3033 | if (datumtype == 'B') { |
3034 | for (len = 0; len++ < aint;) { |
3035 | items |= *pat++ & 1; |
3036 | if (len & 7) |
3037 | items <<= 1; |
3038 | else { |
3039 | *aptr++ = items & 0xff; |
3040 | items = 0; |
3041 | } |
3042 | } |
3043 | } |
3044 | else { |
3045 | for (len = 0; len++ < aint;) { |
3046 | if (*pat++ & 1) |
3047 | items |= 128; |
3048 | if (len & 7) |
3049 | items >>= 1; |
3050 | else { |
3051 | *aptr++ = items & 0xff; |
3052 | items = 0; |
3053 | } |
3054 | } |
3055 | } |
3056 | if (aint & 7) { |
3057 | if (datumtype == 'B') |
3058 | items <<= 7 - (aint & 7); |
3059 | else |
3060 | items >>= 7 - (aint & 7); |
3061 | *aptr++ = items & 0xff; |
3062 | } |
3063 | pat = SvPVX(cat) + SvCUR(cat); |
3064 | while (aptr <= pat) |
3065 | *aptr++ = '\0'; |
79072805 |
3066 | |
a0d0e21e |
3067 | pat = savepat; |
3068 | items = saveitems; |
3069 | } |
3070 | break; |
3071 | case 'H': |
3072 | case 'h': |
3073 | { |
3074 | char *savepat = pat; |
3075 | I32 saveitems; |
79072805 |
3076 | |
a0d0e21e |
3077 | fromstr = NEXTFROM; |
3078 | saveitems = items; |
3079 | aptr = SvPV(fromstr, fromlen); |
3080 | if (pat[-1] == '*') |
3081 | len = fromlen; |
3082 | pat = aptr; |
3083 | aint = SvCUR(cat); |
3084 | SvCUR(cat) += (len+1)/2; |
3085 | SvGROW(cat, SvCUR(cat) + 1); |
3086 | aptr = SvPVX(cat) + aint; |
3087 | if (len > fromlen) |
3088 | len = fromlen; |
3089 | aint = len; |
3090 | items = 0; |
3091 | if (datumtype == 'H') { |
3092 | for (len = 0; len++ < aint;) { |
3093 | if (isALPHA(*pat)) |
3094 | items |= ((*pat++ & 15) + 9) & 15; |
3095 | else |
3096 | items |= *pat++ & 15; |
3097 | if (len & 1) |
3098 | items <<= 4; |
3099 | else { |
3100 | *aptr++ = items & 0xff; |
3101 | items = 0; |
3102 | } |
3103 | } |
3104 | } |
3105 | else { |
3106 | for (len = 0; len++ < aint;) { |
3107 | if (isALPHA(*pat)) |
3108 | items |= (((*pat++ & 15) + 9) & 15) << 4; |
3109 | else |
3110 | items |= (*pat++ & 15) << 4; |
3111 | if (len & 1) |
3112 | items >>= 4; |
3113 | else { |
3114 | *aptr++ = items & 0xff; |
3115 | items = 0; |
3116 | } |
3117 | } |
3118 | } |
3119 | if (aint & 1) |
3120 | *aptr++ = items & 0xff; |
3121 | pat = SvPVX(cat) + SvCUR(cat); |
3122 | while (aptr <= pat) |
3123 | *aptr++ = '\0'; |
79072805 |
3124 | |
a0d0e21e |
3125 | pat = savepat; |
3126 | items = saveitems; |
3127 | } |
3128 | break; |
3129 | case 'C': |
3130 | case 'c': |
3131 | while (len-- > 0) { |
3132 | fromstr = NEXTFROM; |
3133 | aint = SvIV(fromstr); |
3134 | achar = aint; |
3135 | sv_catpvn(cat, &achar, sizeof(char)); |
3136 | } |
3137 | break; |
3138 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ |
3139 | case 'f': |
3140 | case 'F': |
3141 | while (len-- > 0) { |
3142 | fromstr = NEXTFROM; |
3143 | afloat = (float)SvNV(fromstr); |
3144 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); |
3145 | } |
3146 | break; |
3147 | case 'd': |
3148 | case 'D': |
3149 | while (len-- > 0) { |
3150 | fromstr = NEXTFROM; |
3151 | adouble = (double)SvNV(fromstr); |
3152 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); |
3153 | } |
3154 | break; |
3155 | case 'n': |
3156 | while (len-- > 0) { |
3157 | fromstr = NEXTFROM; |
3158 | ashort = (I16)SvIV(fromstr); |
3159 | #ifdef HAS_HTONS |
3160 | ashort = htons(ashort); |
79072805 |
3161 | #endif |
a0d0e21e |
3162 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3163 | } |
3164 | break; |
3165 | case 'v': |
3166 | while (len-- > 0) { |
3167 | fromstr = NEXTFROM; |
3168 | ashort = (I16)SvIV(fromstr); |
3169 | #ifdef HAS_HTOVS |
3170 | ashort = htovs(ashort); |
79072805 |
3171 | #endif |
a0d0e21e |
3172 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3173 | } |
3174 | break; |
3175 | case 'S': |
3176 | case 's': |
3177 | while (len-- > 0) { |
3178 | fromstr = NEXTFROM; |
3179 | ashort = (I16)SvIV(fromstr); |
3180 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); |
3181 | } |
3182 | break; |
3183 | case 'I': |
3184 | while (len-- > 0) { |
3185 | fromstr = NEXTFROM; |
3186 | auint = U_I(SvNV(fromstr)); |
3187 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
3188 | } |
3189 | break; |
3190 | case 'i': |
3191 | while (len-- > 0) { |
3192 | fromstr = NEXTFROM; |
3193 | aint = SvIV(fromstr); |
3194 | sv_catpvn(cat, (char*)&aint, sizeof(int)); |
3195 | } |
3196 | break; |
3197 | case 'N': |
3198 | while (len-- > 0) { |
3199 | fromstr = NEXTFROM; |
3200 | aulong = U_L(SvNV(fromstr)); |
3201 | #ifdef HAS_HTONL |
3202 | aulong = htonl(aulong); |
79072805 |
3203 | #endif |
a0d0e21e |
3204 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3205 | } |
3206 | break; |
3207 | case 'V': |
3208 | while (len-- > 0) { |
3209 | fromstr = NEXTFROM; |
3210 | aulong = U_L(SvNV(fromstr)); |
3211 | #ifdef HAS_HTOVL |
3212 | aulong = htovl(aulong); |
79072805 |
3213 | #endif |
a0d0e21e |
3214 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3215 | } |
3216 | break; |
3217 | case 'L': |
3218 | while (len-- > 0) { |
3219 | fromstr = NEXTFROM; |
3220 | aulong = U_L(SvNV(fromstr)); |
3221 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); |
3222 | } |
3223 | break; |
3224 | case 'l': |
3225 | while (len-- > 0) { |
3226 | fromstr = NEXTFROM; |
3227 | along = SvIV(fromstr); |
3228 | sv_catpvn(cat, (char*)&along, sizeof(I32)); |
3229 | } |
3230 | break; |
ecfc5424 |
3231 | #ifdef HAS_QUAD |
a0d0e21e |
3232 | case 'Q': |
3233 | while (len-- > 0) { |
3234 | fromstr = NEXTFROM; |
ecfc5424 |
3235 | auquad = (unsigned Quad_t)SvIV(fromstr); |
3236 | sv_catpvn(cat, (char*)&auquad, sizeof(unsigned Quad_t)); |
a0d0e21e |
3237 | } |
3238 | break; |
3239 | case 'q': |
3240 | while (len-- > 0) { |
3241 | fromstr = NEXTFROM; |
ecfc5424 |
3242 | aquad = (Quad_t)SvIV(fromstr); |
3243 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); |
a0d0e21e |
3244 | } |
3245 | break; |
ecfc5424 |
3246 | #endif /* HAS_QUAD */ |
a0d0e21e |
3247 | case 'P': |
3248 | len = 1; /* assume SV is correct length */ |
3249 | /* FALL THROUGH */ |
3250 | case 'p': |
3251 | while (len-- > 0) { |
3252 | fromstr = NEXTFROM; |
3253 | aptr = SvPV_force(fromstr, na); /* XXX Error if TEMP? */ |
3254 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
3255 | } |
3256 | break; |
3257 | case 'u': |
3258 | fromstr = NEXTFROM; |
3259 | aptr = SvPV(fromstr, fromlen); |
3260 | SvGROW(cat, fromlen * 4 / 3); |
3261 | if (len <= 1) |
3262 | len = 45; |
3263 | else |
3264 | len = len / 3 * 3; |
3265 | while (fromlen > 0) { |
3266 | I32 todo; |
79072805 |
3267 | |
a0d0e21e |
3268 | if (fromlen > len) |
3269 | todo = len; |
3270 | else |
3271 | todo = fromlen; |
3272 | doencodes(cat, aptr, todo); |
3273 | fromlen -= todo; |
3274 | aptr += todo; |
3275 | } |
3276 | break; |
3277 | } |
3278 | } |
3279 | SvSETMAGIC(cat); |
3280 | SP = ORIGMARK; |
3281 | PUSHs(cat); |
3282 | RETURN; |
79072805 |
3283 | } |
a0d0e21e |
3284 | #undef NEXTFROM |
79072805 |
3285 | |
a0d0e21e |
3286 | PP(pp_split) |
79072805 |
3287 | { |
a0d0e21e |
3288 | dSP; dTARG; |
3289 | AV *ary; |
3290 | register I32 limit = POPi; /* note, negative is forever */ |
3291 | SV *sv = POPs; |
3292 | STRLEN len; |
3293 | register char *s = SvPV(sv, len); |
3294 | char *strend = s + len; |
3295 | register PMOP *pm = (PMOP*)POPs; |
3296 | register SV *dstr; |
3297 | register char *m; |
3298 | I32 iters = 0; |
3299 | I32 maxiters = (strend - s) + 10; |
3300 | I32 i; |
3301 | char *orig; |
3302 | I32 origlimit = limit; |
3303 | I32 realarray = 0; |
3304 | I32 base; |
3305 | AV *oldstack = stack; |
3306 | register REGEXP *rx = pm->op_pmregexp; |
3307 | I32 gimme = GIMME; |
79072805 |
3308 | |
a0d0e21e |
3309 | if (!pm || !s) |
3310 | DIE("panic: do_split"); |
3311 | if (pm->op_pmreplroot) |
3312 | ary = GvAVn((GV*)pm->op_pmreplroot); |
3313 | else if (gimme != G_ARRAY) |
3314 | ary = GvAVn(defgv); |
79072805 |
3315 | else |
a0d0e21e |
3316 | ary = Nullav; |
3317 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { |
3318 | realarray = 1; |
3319 | if (!AvREAL(ary)) { |
3320 | AvREAL_on(ary); |
3321 | for (i = AvFILL(ary); i >= 0; i--) |
3322 | AvARRAY(ary)[i] = &sv_undef; /* don't free mere refs */ |
79072805 |
3323 | } |
a0d0e21e |
3324 | av_extend(ary,0); |
3325 | av_clear(ary); |
3326 | /* temporarily switch stacks */ |
3327 | SWITCHSTACK(stack, ary); |
79072805 |
3328 | } |
a0d0e21e |
3329 | base = SP - stack_base; |
3330 | orig = s; |
3331 | if (pm->op_pmflags & PMf_SKIPWHITE) { |
3332 | while (isSPACE(*s)) |
3333 | s++; |
3334 | } |
3335 | if (!limit) |
3336 | limit = maxiters + 2; |
3337 | if (pm->op_pmflags & PMf_WHITE) { |
3338 | while (--limit) { |
3339 | /*SUPPRESS 530*/ |
3340 | for (m = s; m < strend && !isSPACE(*m); m++) ; |
3341 | if (m >= strend) |
3342 | break; |
3343 | dstr = NEWSV(30, m-s); |
3344 | sv_setpvn(dstr, s, m-s); |
3345 | if (!realarray) |
3346 | sv_2mortal(dstr); |
3347 | XPUSHs(dstr); |
3348 | /*SUPPRESS 530*/ |
3349 | for (s = m + 1; s < strend && isSPACE(*s); s++) ; |
79072805 |
3350 | } |
3351 | } |
a0d0e21e |
3352 | else if (strEQ("^", rx->precomp)) { |
3353 | while (--limit) { |
3354 | /*SUPPRESS 530*/ |
3355 | for (m = s; m < strend && *m != '\n'; m++) ; |
3356 | m++; |
3357 | if (m >= strend) |
3358 | break; |
3359 | dstr = NEWSV(30, m-s); |
3360 | sv_setpvn(dstr, s, m-s); |
3361 | if (!realarray) |
3362 | sv_2mortal(dstr); |
3363 | XPUSHs(dstr); |
3364 | s = m; |
3365 | } |
3366 | } |
3367 | else if (pm->op_pmshort) { |
3368 | i = SvCUR(pm->op_pmshort); |
3369 | if (i == 1) { |
3370 | I32 fold = (pm->op_pmflags & PMf_FOLD); |
3371 | i = *SvPVX(pm->op_pmshort); |
3372 | if (fold && isUPPER(i)) |
3373 | i = toLOWER(i); |
3374 | while (--limit) { |
3375 | if (fold) { |
3376 | for ( m = s; |
3377 | m < strend && *m != i && |
3378 | (!isUPPER(*m) || toLOWER(*m) != i); |
3379 | m++) /*SUPPRESS 530*/ |
3380 | ; |
3381 | } |
3382 | else /*SUPPRESS 530*/ |
3383 | for (m = s; m < strend && *m != i; m++) ; |
3384 | if (m >= strend) |
3385 | break; |
3386 | dstr = NEWSV(30, m-s); |
3387 | sv_setpvn(dstr, s, m-s); |
3388 | if (!realarray) |
3389 | sv_2mortal(dstr); |
3390 | XPUSHs(dstr); |
3391 | s = m + 1; |
3392 | } |
3393 | } |
3394 | else { |
3395 | #ifndef lint |
3396 | while (s < strend && --limit && |
3397 | (m=fbm_instr((unsigned char*)s, (unsigned char*)strend, |
3398 | pm->op_pmshort)) ) |
79072805 |
3399 | #endif |
a0d0e21e |
3400 | { |
3401 | dstr = NEWSV(31, m-s); |
3402 | sv_setpvn(dstr, s, m-s); |
3403 | if (!realarray) |
3404 | sv_2mortal(dstr); |
3405 | XPUSHs(dstr); |
3406 | s = m + i; |
3407 | } |
463ee0b2 |
3408 | } |
463ee0b2 |
3409 | } |
a0d0e21e |
3410 | else { |
3411 | maxiters += (strend - s) * rx->nparens; |
3412 | while (s < strend && --limit && |
e50aee73 |
3413 | pregexec(rx, s, strend, orig, 1, Nullsv, TRUE) ) { |
a0d0e21e |
3414 | if (rx->subbase |
3415 | && rx->subbase != orig) { |
3416 | m = s; |
3417 | s = orig; |
3418 | orig = rx->subbase; |
3419 | s = orig + (m - s); |
3420 | strend = s + (strend - m); |
3421 | } |
3422 | m = rx->startp[0]; |
3423 | dstr = NEWSV(32, m-s); |
3424 | sv_setpvn(dstr, s, m-s); |
3425 | if (!realarray) |
3426 | sv_2mortal(dstr); |
3427 | XPUSHs(dstr); |
3428 | if (rx->nparens) { |
3429 | for (i = 1; i <= rx->nparens; i++) { |
3430 | s = rx->startp[i]; |
3431 | m = rx->endp[i]; |
748a9306 |
3432 | if (m && s) { |
3433 | dstr = NEWSV(33, m-s); |
3434 | sv_setpvn(dstr, s, m-s); |
3435 | } |
3436 | else |
3437 | dstr = NEWSV(33, 0); |
a0d0e21e |
3438 | if (!realarray) |
3439 | sv_2mortal(dstr); |
3440 | XPUSHs(dstr); |
3441 | } |
3442 | } |
3443 | s = rx->endp[0]; |
3444 | } |
79072805 |
3445 | } |
a0d0e21e |
3446 | iters = (SP - stack_base) - base; |
3447 | if (iters > maxiters) |
3448 | DIE("Split loop"); |
3449 | |
3450 | /* keep field after final delim? */ |
3451 | if (s < strend || (iters && origlimit)) { |
3452 | dstr = NEWSV(34, strend-s); |
3453 | sv_setpvn(dstr, s, strend-s); |
3454 | if (!realarray) |
3455 | sv_2mortal(dstr); |
3456 | XPUSHs(dstr); |
3457 | iters++; |
79072805 |
3458 | } |
a0d0e21e |
3459 | else if (!origlimit) { |
3460 | while (iters > 0 && SvCUR(TOPs) == 0) |
3461 | iters--, SP--; |
3462 | } |
3463 | if (realarray) { |
3464 | SWITCHSTACK(ary, oldstack); |
3465 | if (gimme == G_ARRAY) { |
3466 | EXTEND(SP, iters); |
3467 | Copy(AvARRAY(ary), SP + 1, iters, SV*); |
3468 | SP += iters; |
3469 | RETURN; |
3470 | } |
3471 | } |
3472 | else { |
3473 | if (gimme == G_ARRAY) |
3474 | RETURN; |
3475 | } |
3476 | if (iters || !pm->op_pmreplroot) { |
3477 | GETTARGET; |
3478 | PUSHi(iters); |
3479 | RETURN; |
3480 | } |
3481 | RETPUSHUNDEF; |
79072805 |
3482 | } |
85e6fe83 |
3483 | |