Commit | Line | Data |
---|---|---|
79072805 LW |
1 | /*********************************************************** |
2 | * | |
3 | * $Header: /usr/src/local/lwall/perl5/RCS/pp.c, v 4.1 92/08/07 18:26:21 lwall Exp Locker: lwall $ | |
4 | * | |
5 | * Description: | |
6 | * Push/Pop code. | |
7 | * | |
8 | * Standards: | |
9 | * | |
10 | * Created: | |
11 | * Mon Jun 15 16:45:59 1992 | |
12 | * | |
13 | * Author: | |
14 | * Larry Wall <lwall@netlabs.com> | |
15 | * | |
16 | * $Log: pp.c, v $ | |
17 | * Revision 4.1 92/08/07 18:26:21 lwall | |
18 | * | |
19 | * | |
20 | **********************************************************/ | |
21 | ||
22 | #include "EXTERN.h" | |
23 | #include "perl.h" | |
24 | ||
25 | #ifdef HAS_SOCKET | |
26 | #include <sys/socket.h> | |
27 | #include <netdb.h> | |
28 | #ifndef ENOTSOCK | |
29 | #include <net/errno.h> | |
30 | #endif | |
31 | #endif | |
32 | ||
33 | #ifdef HAS_SELECT | |
34 | #ifdef I_SYS_SELECT | |
35 | #ifndef I_SYS_TIME | |
36 | #include <sys/select.h> | |
37 | #endif | |
38 | #endif | |
39 | #endif | |
40 | ||
41 | #ifdef HOST_NOT_FOUND | |
42 | extern int h_errno; | |
43 | #endif | |
44 | ||
45 | #ifdef I_PWD | |
46 | #include <pwd.h> | |
47 | #endif | |
48 | #ifdef I_GRP | |
49 | #include <grp.h> | |
50 | #endif | |
51 | #ifdef I_UTIME | |
52 | #include <utime.h> | |
53 | #endif | |
54 | #ifdef I_FCNTL | |
55 | #include <fcntl.h> | |
56 | #endif | |
57 | #ifdef I_SYS_FILE | |
58 | #include <sys/file.h> | |
59 | #endif | |
60 | ||
61 | #ifdef I_VARARGS | |
62 | # include <varargs.h> | |
63 | #endif | |
64 | ||
65 | /* Nothing. */ | |
66 | ||
67 | PP(pp_null) | |
68 | { | |
69 | return NORMAL; | |
70 | } | |
71 | ||
72 | PP(pp_scalar) | |
73 | { | |
74 | return NORMAL; | |
75 | } | |
76 | ||
77 | /* Pushy stuff. */ | |
78 | ||
79 | PP(pp_pushmark) | |
80 | { | |
81 | if (++markstack_ptr == markstack_max) { | |
82 | I32 oldmax = markstack_max - markstack; | |
83 | I32 newmax = oldmax * 3 / 2; | |
84 | ||
85 | Renew(markstack, newmax, I32); | |
86 | markstack_ptr = markstack + oldmax; | |
87 | markstack_max = markstack + newmax; | |
88 | } | |
89 | *markstack_ptr = stack_sp - stack_base; | |
90 | return NORMAL; | |
91 | } | |
92 | ||
93 | PP(pp_wantarray) | |
94 | { | |
95 | dSP; | |
96 | I32 cxix; | |
97 | EXTEND(SP, 1); | |
98 | ||
99 | cxix = dopoptosub(cxstack_ix); | |
100 | if (cxix < 0) | |
101 | RETPUSHUNDEF; | |
102 | ||
103 | if (cxstack[cxix].blk_gimme == G_ARRAY) | |
104 | RETPUSHYES; | |
105 | else | |
106 | RETPUSHNO; | |
107 | } | |
108 | ||
109 | PP(pp_word) | |
110 | { | |
111 | DIE("PP_WORD"); | |
112 | } | |
113 | ||
114 | PP(pp_const) | |
115 | { | |
116 | dSP; | |
117 | XPUSHs(cSVOP->op_sv); | |
118 | RETURN; | |
119 | } | |
120 | ||
121 | static void | |
122 | ucase(s,send) | |
123 | register char *s; | |
124 | register char *send; | |
125 | { | |
126 | while (s < send) { | |
127 | if (isLOWER(*s)) | |
128 | *s = toupper(*s); | |
129 | s++; | |
130 | } | |
131 | } | |
132 | ||
133 | static void | |
134 | lcase(s,send) | |
135 | register char *s; | |
136 | register char *send; | |
137 | { | |
138 | while (s < send) { | |
139 | if (isUPPER(*s)) | |
140 | *s = tolower(*s); | |
141 | s++; | |
142 | } | |
143 | } | |
144 | ||
145 | PP(pp_interp) | |
146 | { | |
147 | DIE("panic: pp_interp"); | |
148 | } | |
149 | ||
150 | PP(pp_gvsv) | |
151 | { | |
152 | dSP; | |
153 | EXTEND(sp,1); | |
154 | if (op->op_flags & OPf_LOCAL) | |
155 | PUSHs(save_scalar(cGVOP->op_gv)); | |
156 | else | |
157 | PUSHs(GvSV(cGVOP->op_gv)); | |
158 | RETURN; | |
159 | } | |
160 | ||
161 | PP(pp_gv) | |
162 | { | |
163 | dSP; | |
164 | XPUSHs((SV*)cGVOP->op_gv); | |
165 | RETURN; | |
166 | } | |
167 | ||
168 | PP(pp_pushre) | |
169 | { | |
170 | dSP; | |
171 | XPUSHs((SV*)op); | |
172 | RETURN; | |
173 | } | |
174 | ||
175 | /* Translations. */ | |
176 | ||
177 | PP(pp_rv2gv) | |
178 | { | |
179 | dSP; dTOPss; | |
180 | if (SvTYPE(sv) == SVt_REF) { | |
181 | sv = (SV*)SvANY(sv); | |
182 | if (SvTYPE(sv) != SVt_PVGV) | |
183 | DIE("Not a glob reference"); | |
184 | } | |
185 | else { | |
186 | if (SvTYPE(sv) != SVt_PVGV) | |
187 | sv = (SV*)gv_fetchpv(SvPVn(sv), TRUE); | |
188 | } | |
189 | if (op->op_flags & OPf_LOCAL) { | |
190 | GP *ogp = GvGP(sv); | |
191 | ||
192 | SSCHECK(3); | |
193 | SSPUSHPTR(sv); | |
194 | SSPUSHPTR(ogp); | |
195 | SSPUSHINT(SAVEt_GP); | |
196 | ||
197 | if (op->op_flags & OPf_SPECIAL) | |
198 | GvGP(sv)->gp_refcnt++; /* will soon be assigned */ | |
199 | else { | |
200 | GP *gp; | |
201 | Newz(602,gp, 1, GP); | |
202 | GvGP(sv) = gp; | |
203 | GvREFCNT(sv) = 1; | |
204 | GvSV(sv) = NEWSV(72,0); | |
205 | GvLINE(sv) = curcop->cop_line; | |
206 | GvEGV(sv) = sv; | |
207 | } | |
208 | } | |
209 | SETs(sv); | |
210 | RETURN; | |
211 | } | |
212 | ||
213 | PP(pp_sv2len) | |
214 | { | |
215 | dSP; dTARGET; | |
216 | dPOPss; | |
217 | PUSHi(sv_len(sv)); | |
218 | RETURN; | |
219 | } | |
220 | ||
221 | PP(pp_rv2sv) | |
222 | { | |
223 | dSP; dTOPss; | |
224 | ||
225 | if (SvTYPE(sv) == SVt_REF) { | |
226 | sv = (SV*)SvANY(sv); | |
227 | switch (SvTYPE(sv)) { | |
228 | case SVt_PVAV: | |
229 | case SVt_PVHV: | |
230 | case SVt_PVCV: | |
231 | DIE("Not a scalar reference"); | |
232 | } | |
233 | } | |
234 | else { | |
235 | if (SvTYPE(sv) != SVt_PVGV) | |
236 | sv = (SV*)gv_fetchpv(SvPVn(sv), TRUE); | |
237 | sv = GvSV(sv); | |
238 | } | |
239 | if (op->op_flags & OPf_LOCAL) | |
240 | SETs(save_scalar((GV*)TOPs)); | |
241 | else | |
242 | SETs(sv); | |
243 | RETURN; | |
244 | } | |
245 | ||
246 | PP(pp_av2arylen) | |
247 | { | |
248 | dSP; | |
249 | AV *av = (AV*)TOPs; | |
250 | SV *sv = AvARYLEN(av); | |
251 | if (!sv) { | |
252 | AvARYLEN(av) = sv = NEWSV(0,0); | |
253 | sv_upgrade(sv, SVt_IV); | |
254 | sv_magic(sv, (SV*)av, '#', Nullch, 0); | |
255 | } | |
256 | SETs(sv); | |
257 | RETURN; | |
258 | } | |
259 | ||
260 | PP(pp_rv2cv) | |
261 | { | |
262 | dSP; | |
263 | SV *sv; | |
264 | GV *gv; | |
265 | HV *stash; | |
266 | CV *cv = sv_2cv(TOPs, &stash, &gv, 0); | |
267 | ||
268 | SETs((SV*)cv); | |
269 | RETURN; | |
270 | } | |
271 | ||
272 | PP(pp_refgen) | |
273 | { | |
274 | dSP; dTOPss; | |
275 | SV* rv; | |
276 | if (!sv) | |
277 | RETSETUNDEF; | |
278 | rv = sv_mortalcopy(&sv_undef); | |
279 | sv_upgrade(rv, SVt_REF); | |
280 | SvANY(rv) = (void*)sv_ref(sv); | |
281 | SETs(rv); | |
282 | RETURN; | |
283 | } | |
284 | ||
285 | PP(pp_ref) | |
286 | { | |
287 | dSP; dTARGET; dTOPss; | |
288 | char *pv; | |
289 | ||
290 | if (SvTYPE(sv) != SVt_REF) | |
291 | RETSETUNDEF; | |
292 | ||
293 | sv = (SV*)SvANY(sv); | |
294 | if (SvSTORAGE(sv) == 'O') | |
295 | pv = HvNAME(SvSTASH(sv)); | |
296 | else { | |
297 | switch (SvTYPE(sv)) { | |
298 | case SVt_REF: pv = "REF"; break; | |
299 | case SVt_NULL: | |
300 | case SVt_IV: | |
301 | case SVt_NV: | |
302 | case SVt_PV: | |
303 | case SVt_PVIV: | |
304 | case SVt_PVNV: | |
305 | case SVt_PVMG: | |
306 | case SVt_PVBM: pv = "SCALAR"; break; | |
307 | case SVt_PVLV: pv = "LVALUE"; break; | |
308 | case SVt_PVAV: pv = "ARRAY"; break; | |
309 | case SVt_PVHV: pv = "HASH"; break; | |
310 | case SVt_PVCV: pv = "CODE"; break; | |
311 | case SVt_PVGV: pv = "GLOB"; break; | |
312 | case SVt_PVFM: pv = "FORMLINE"; break; | |
313 | default: pv = "UNKNOWN"; break; | |
314 | } | |
315 | } | |
316 | SETp(pv, strlen(pv)); | |
317 | RETURN; | |
318 | } | |
319 | ||
320 | PP(pp_bless) | |
321 | { | |
322 | dSP; dTOPss; | |
323 | register SV* ref; | |
324 | ||
325 | if (SvTYPE(sv) != SVt_REF) | |
326 | RETSETUNDEF; | |
327 | ||
328 | ref = (SV*)SvANY(sv); | |
329 | if (SvSTORAGE(ref) && SvSTORAGE(ref) != 'O') | |
330 | DIE("Can't bless temporary scalar"); | |
331 | SvSTORAGE(ref) = 'O'; | |
332 | SvUPGRADE(ref, SVt_PVMG); | |
333 | SvSTASH(ref) = curcop->cop_stash; | |
334 | RETURN; | |
335 | } | |
336 | ||
337 | /* Pushy I/O. */ | |
338 | ||
339 | PP(pp_backtick) | |
340 | { | |
341 | dSP; dTARGET; | |
342 | FILE *fp; | |
343 | char *tmps = POPp; | |
344 | #ifdef TAINT | |
345 | TAINT_PROPER("``"); | |
346 | #endif | |
347 | fp = my_popen(tmps, "r"); | |
348 | if (fp) { | |
349 | sv_setpv(TARG, ""); /* note that this preserves previous buffer */ | |
350 | if (GIMME == G_SCALAR) { | |
351 | while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch) | |
352 | /*SUPPRESS 530*/ | |
353 | ; | |
354 | XPUSHs(TARG); | |
355 | } | |
356 | else { | |
357 | SV *sv; | |
358 | ||
359 | for (;;) { | |
360 | sv = NEWSV(56, 80); | |
361 | if (sv_gets(sv, fp, 0) == Nullch) { | |
362 | sv_free(sv); | |
363 | break; | |
364 | } | |
365 | XPUSHs(sv_2mortal(sv)); | |
366 | if (SvLEN(sv) - SvCUR(sv) > 20) { | |
367 | SvLEN_set(sv, SvCUR(sv)+1); | |
368 | Renew(SvPV(sv), SvLEN(sv), char); | |
369 | } | |
370 | } | |
371 | } | |
372 | statusvalue = my_pclose(fp); | |
373 | } | |
374 | else { | |
375 | statusvalue = -1; | |
376 | if (GIMME == G_SCALAR) | |
377 | RETPUSHUNDEF; | |
378 | } | |
379 | ||
380 | RETURN; | |
381 | } | |
382 | ||
383 | OP * | |
384 | do_readline() | |
385 | { | |
386 | dSP; dTARGETSTACKED; | |
387 | register SV *sv; | |
388 | STRLEN tmplen; | |
389 | STRLEN offset; | |
390 | FILE *fp; | |
391 | register IO *io = GvIO(last_in_gv); | |
392 | register I32 type = op->op_type; | |
393 | ||
394 | fp = Nullfp; | |
395 | if (io) { | |
396 | fp = io->ifp; | |
397 | if (!fp) { | |
398 | if (io->flags & IOf_ARGV) { | |
399 | if (io->flags & IOf_START) { | |
400 | io->flags &= ~IOf_START; | |
401 | io->lines = 0; | |
402 | if (av_len(GvAVn(last_in_gv)) < 0) { | |
403 | SV *tmpstr = newSVpv("-", 1); /* assume stdin */ | |
404 | (void)av_push(GvAVn(last_in_gv), tmpstr); | |
405 | } | |
406 | } | |
407 | fp = nextargv(last_in_gv); | |
408 | if (!fp) { /* Note: fp != io->ifp */ | |
409 | (void)do_close(last_in_gv, FALSE); /* now it does*/ | |
410 | io->flags |= IOf_START; | |
411 | } | |
412 | } | |
413 | else if (type == OP_GLOB) { | |
414 | SV *tmpcmd = NEWSV(55, 0); | |
415 | SV *tmpglob = POPs; | |
416 | #ifdef DOSISH | |
417 | sv_setpv(tmpcmd, "perlglob "); | |
418 | sv_catsv(tmpcmd, tmpglob); | |
419 | sv_catpv(tmpcmd, " |"); | |
420 | #else | |
421 | #ifdef CSH | |
422 | sv_setpvn(tmpcmd, cshname, cshlen); | |
423 | sv_catpv(tmpcmd, " -cf 'set nonomatch; glob "); | |
424 | sv_catsv(tmpcmd, tmpglob); | |
425 | sv_catpv(tmpcmd, "'|"); | |
426 | #else | |
427 | sv_setpv(tmpcmd, "echo "); | |
428 | sv_catsv(tmpcmd, tmpglob); | |
429 | sv_catpv(tmpcmd, "|tr -s ' \t\f\r' '\\012\\012\\012\\012'|"); | |
430 | #endif /* !CSH */ | |
431 | #endif /* !MSDOS */ | |
432 | (void)do_open(last_in_gv, SvPV(tmpcmd), SvCUR(tmpcmd)); | |
433 | fp = io->ifp; | |
434 | sv_free(tmpcmd); | |
435 | } | |
436 | } | |
437 | else if (type == OP_GLOB) | |
438 | SP--; | |
439 | } | |
440 | if (!fp) { | |
441 | if (dowarn) | |
442 | warn("Read on closed filehandle <%s>", GvENAME(last_in_gv)); | |
443 | if (GIMME == G_SCALAR) | |
444 | RETPUSHUNDEF; | |
445 | RETURN; | |
446 | } | |
447 | if (GIMME == G_ARRAY) { | |
448 | sv = sv_2mortal(NEWSV(57, 80)); | |
449 | offset = 0; | |
450 | } | |
451 | else { | |
452 | sv = TARG; | |
453 | SvUPGRADE(sv, SVt_PV); | |
454 | tmplen = SvLEN(sv); /* remember if already alloced */ | |
455 | if (!tmplen) | |
456 | Sv_Grow(sv, 80); /* try short-buffering it */ | |
457 | if (type == OP_RCATLINE) | |
458 | offset = SvCUR(sv); | |
459 | else | |
460 | offset = 0; | |
461 | } | |
462 | for (;;) { | |
463 | if (!sv_gets(sv, fp, offset)) { | |
464 | clearerr(fp); | |
465 | if (io->flags & IOf_ARGV) { | |
466 | fp = nextargv(last_in_gv); | |
467 | if (fp) | |
468 | continue; | |
469 | (void)do_close(last_in_gv, FALSE); | |
470 | io->flags |= IOf_START; | |
471 | } | |
472 | else if (type == OP_GLOB) { | |
473 | (void)do_close(last_in_gv, FALSE); | |
474 | } | |
475 | if (GIMME == G_SCALAR) | |
476 | RETPUSHUNDEF; | |
477 | RETURN; | |
478 | } | |
479 | io->lines++; | |
480 | XPUSHs(sv); | |
481 | #ifdef TAINT | |
482 | sv->sv_tainted = 1; /* Anything from the outside world...*/ | |
483 | #endif | |
484 | if (type == OP_GLOB) { | |
485 | char *tmps; | |
486 | ||
487 | if (SvCUR(sv) > 0) | |
488 | SvCUR(sv)--; | |
489 | if (*SvEND(sv) == rschar) | |
490 | *SvEND(sv) = '\0'; | |
491 | else | |
492 | SvCUR(sv)++; | |
493 | for (tmps = SvPV(sv); *tmps; tmps++) | |
494 | if (!isALPHA(*tmps) && !isDIGIT(*tmps) && | |
495 | index("$&*(){}[]'\";\\|?<>~`", *tmps)) | |
496 | break; | |
497 | if (*tmps && stat(SvPV(sv), &statbuf) < 0) { | |
498 | POPs; /* Unmatched wildcard? Chuck it... */ | |
499 | continue; | |
500 | } | |
501 | } | |
502 | if (GIMME == G_ARRAY) { | |
503 | if (SvLEN(sv) - SvCUR(sv) > 20) { | |
504 | SvLEN_set(sv, SvCUR(sv)+1); | |
505 | Renew(SvPV(sv), SvLEN(sv), char); | |
506 | } | |
507 | sv = sv_2mortal(NEWSV(58, 80)); | |
508 | continue; | |
509 | } | |
510 | else if (!tmplen && SvLEN(sv) - SvCUR(sv) > 80) { | |
511 | /* try to reclaim a bit of scalar space (only on 1st alloc) */ | |
512 | if (SvCUR(sv) < 60) | |
513 | SvLEN_set(sv, 80); | |
514 | else | |
515 | SvLEN_set(sv, SvCUR(sv)+40); /* allow some slop */ | |
516 | Renew(SvPV(sv), SvLEN(sv), char); | |
517 | } | |
518 | RETURN; | |
519 | } | |
520 | } | |
521 | ||
522 | PP(pp_glob) | |
523 | { | |
524 | OP *result; | |
525 | ENTER; | |
526 | SAVEINT(rschar); | |
527 | SAVEINT(rslen); | |
528 | ||
529 | SAVESPTR(last_in_gv); /* We don't want this to be permanent. */ | |
530 | last_in_gv = (GV*)*stack_sp--; | |
531 | ||
532 | rslen = 1; | |
533 | #ifdef DOSISH | |
534 | rschar = 0; | |
535 | #else | |
536 | #ifdef CSH | |
537 | rschar = 0; | |
538 | #else | |
539 | rschar = '\n'; | |
540 | #endif /* !CSH */ | |
541 | #endif /* !MSDOS */ | |
542 | result = do_readline(); | |
543 | LEAVE; | |
544 | return result; | |
545 | } | |
546 | ||
547 | PP(pp_readline) | |
548 | { | |
549 | last_in_gv = (GV*)(*stack_sp--); | |
550 | return do_readline(); | |
551 | } | |
552 | ||
553 | PP(pp_indread) | |
554 | { | |
555 | last_in_gv = gv_fetchpv(SvPVnx(GvSV((GV*)(*stack_sp--))), TRUE); | |
556 | return do_readline(); | |
557 | } | |
558 | ||
559 | PP(pp_rcatline) | |
560 | { | |
561 | last_in_gv = cGVOP->op_gv; | |
562 | return do_readline(); | |
563 | } | |
564 | ||
565 | PP(pp_regcomp) { | |
566 | dSP; | |
567 | register PMOP *pm = (PMOP*)cLOGOP->op_other; | |
568 | register char *t; | |
569 | I32 global; | |
570 | SV *tmpstr; | |
571 | register REGEXP *rx = pm->op_pmregexp; | |
572 | ||
573 | global = pm->op_pmflags & PMf_GLOBAL; | |
574 | tmpstr = POPs; | |
575 | t = SvPVn(tmpstr); | |
576 | if (!global && rx) | |
577 | regfree(rx); | |
578 | pm->op_pmregexp = Null(REGEXP*); /* crucial if regcomp aborts */ | |
579 | pm->op_pmregexp = regcomp(t, t+SvCUR(tmpstr), | |
580 | pm->op_pmflags & PMf_FOLD); | |
581 | if (!pm->op_pmregexp->prelen && curpm) | |
582 | pm = curpm; | |
583 | if (pm->op_pmflags & PMf_KEEP) { | |
584 | if (!(pm->op_pmflags & PMf_FOLD)) | |
585 | scan_prefix(pm, pm->op_pmregexp->precomp, | |
586 | pm->op_pmregexp->prelen); | |
587 | pm->op_pmflags &= ~PMf_RUNTIME; /* no point compiling again */ | |
588 | hoistmust(pm); | |
589 | op->op_type = OP_NULL; | |
590 | op->op_ppaddr = ppaddr[OP_NULL]; | |
591 | /* XXX delete push code */ | |
592 | } | |
593 | RETURN; | |
594 | } | |
595 | ||
596 | PP(pp_match) | |
597 | { | |
598 | dSP; dTARG; | |
599 | register PMOP *pm = cPMOP; | |
600 | register char *t; | |
601 | register char *s; | |
602 | char *strend; | |
603 | SV *tmpstr; | |
604 | char *myhint = hint; | |
605 | I32 global; | |
606 | I32 safebase; | |
607 | char *truebase; | |
608 | register REGEXP *rx = pm->op_pmregexp; | |
609 | I32 gimme = GIMME; | |
610 | ||
611 | hint = Nullch; | |
612 | global = pm->op_pmflags & PMf_GLOBAL; | |
613 | safebase = (gimme == G_ARRAY) || global; | |
614 | ||
615 | if (op->op_flags & OPf_STACKED) | |
616 | TARG = POPs; | |
617 | else { | |
618 | TARG = GvSV(defgv); | |
619 | EXTEND(SP,1); | |
620 | } | |
621 | s = SvPVn(TARG); | |
622 | strend = s + SvCUR(TARG); | |
623 | if (!s) | |
624 | DIE("panic: do_match"); | |
625 | ||
626 | if (pm->op_pmflags & PMf_USED) { | |
627 | if (gimme == G_ARRAY) | |
628 | RETURN; | |
629 | RETPUSHNO; | |
630 | } | |
631 | ||
632 | if (!rx->prelen && curpm) { | |
633 | pm = curpm; | |
634 | rx = pm->op_pmregexp; | |
635 | } | |
636 | truebase = t = s; | |
637 | play_it_again: | |
638 | if (global && rx->startp[0]) { | |
639 | t = s = rx->endp[0]; | |
640 | if (s == rx->startp[0]) | |
641 | s++, t++; | |
642 | if (s > strend) | |
643 | goto nope; | |
644 | } | |
645 | if (myhint) { | |
646 | if (myhint < s || myhint > strend) | |
647 | DIE("panic: hint in do_match"); | |
648 | s = myhint; | |
649 | if (rx->regback >= 0) { | |
650 | s -= rx->regback; | |
651 | if (s < t) | |
652 | s = t; | |
653 | } | |
654 | else | |
655 | s = t; | |
656 | } | |
657 | else if (pm->op_pmshort) { | |
658 | if (pm->op_pmflags & PMf_SCANFIRST) { | |
659 | if (SvSCREAM(TARG)) { | |
660 | if (screamfirst[BmRARE(pm->op_pmshort)] < 0) | |
661 | goto nope; | |
662 | else if (!(s = screaminstr(TARG, pm->op_pmshort))) | |
663 | goto nope; | |
664 | else if (pm->op_pmflags & PMf_ALL) | |
665 | goto yup; | |
666 | } | |
667 | else if (!(s = fbm_instr((unsigned char*)s, | |
668 | (unsigned char*)strend, pm->op_pmshort))) | |
669 | goto nope; | |
670 | else if (pm->op_pmflags & PMf_ALL) | |
671 | goto yup; | |
672 | if (s && rx->regback >= 0) { | |
673 | ++BmUSEFUL(pm->op_pmshort); | |
674 | s -= rx->regback; | |
675 | if (s < t) | |
676 | s = t; | |
677 | } | |
678 | else | |
679 | s = t; | |
680 | } | |
681 | else if (!multiline) { | |
682 | if (*SvPV(pm->op_pmshort) != *s || | |
683 | bcmp(SvPV(pm->op_pmshort), s, pm->op_pmslen) ) { | |
684 | if (pm->op_pmflags & PMf_FOLD) { | |
685 | if (ibcmp(SvPV(pm->op_pmshort), s, pm->op_pmslen) ) | |
686 | goto nope; | |
687 | } | |
688 | else | |
689 | goto nope; | |
690 | } | |
691 | } | |
692 | if (--BmUSEFUL(pm->op_pmshort) < 0) { | |
693 | sv_free(pm->op_pmshort); | |
694 | pm->op_pmshort = Nullsv; /* opt is being useless */ | |
695 | } | |
696 | } | |
697 | if (!rx->nparens && !global) { | |
698 | gimme = G_SCALAR; /* accidental array context? */ | |
699 | safebase = FALSE; | |
700 | } | |
701 | if (regexec(rx, s, strend, truebase, 0, | |
702 | SvSCREAM(TARG) ? TARG : Nullsv, | |
703 | safebase)) { | |
704 | curpm = pm; | |
705 | if (pm->op_pmflags & PMf_ONCE) | |
706 | pm->op_pmflags |= PMf_USED; | |
707 | goto gotcha; | |
708 | } | |
709 | else { | |
710 | if (global) | |
711 | rx->startp[0] = Nullch; | |
712 | if (gimme == G_ARRAY) | |
713 | RETURN; | |
714 | RETPUSHNO; | |
715 | } | |
716 | /*NOTREACHED*/ | |
717 | ||
718 | gotcha: | |
719 | if (gimme == G_ARRAY) { | |
720 | I32 iters, i, len; | |
721 | ||
722 | iters = rx->nparens; | |
723 | if (global && !iters) | |
724 | i = 1; | |
725 | else | |
726 | i = 0; | |
727 | EXTEND(SP, iters + i); | |
728 | for (i = !i; i <= iters; i++) { | |
729 | PUSHs(sv_mortalcopy(&sv_no)); | |
730 | /*SUPPRESS 560*/ | |
731 | if (s = rx->startp[i]) { | |
732 | len = rx->endp[i] - s; | |
733 | if (len > 0) | |
734 | sv_setpvn(*SP, s, len); | |
735 | } | |
736 | } | |
737 | if (global) { | |
738 | truebase = rx->subbeg; | |
739 | goto play_it_again; | |
740 | } | |
741 | RETURN; | |
742 | } | |
743 | else { | |
744 | RETPUSHYES; | |
745 | } | |
746 | ||
747 | yup: | |
748 | ++BmUSEFUL(pm->op_pmshort); | |
749 | curpm = pm; | |
750 | if (pm->op_pmflags & PMf_ONCE) | |
751 | pm->op_pmflags |= PMf_USED; | |
752 | if (global) { | |
753 | rx->subbeg = t; | |
754 | rx->subend = strend; | |
755 | rx->startp[0] = s; | |
756 | rx->endp[0] = s + SvCUR(pm->op_pmshort); | |
757 | goto gotcha; | |
758 | } | |
759 | if (sawampersand) { | |
760 | char *tmps; | |
761 | ||
762 | if (rx->subbase) | |
763 | Safefree(rx->subbase); | |
764 | tmps = rx->subbase = nsavestr(t, strend-t); | |
765 | rx->subbeg = tmps; | |
766 | rx->subend = tmps + (strend-t); | |
767 | tmps = rx->startp[0] = tmps + (s - t); | |
768 | rx->endp[0] = tmps + SvCUR(pm->op_pmshort); | |
769 | } | |
770 | RETPUSHYES; | |
771 | ||
772 | nope: | |
773 | rx->startp[0] = Nullch; | |
774 | if (pm->op_pmshort) | |
775 | ++BmUSEFUL(pm->op_pmshort); | |
776 | if (gimme == G_ARRAY) | |
777 | RETURN; | |
778 | RETPUSHNO; | |
779 | } | |
780 | ||
781 | PP(pp_subst) | |
782 | { | |
783 | dSP; dTARG; | |
784 | register PMOP *pm = cPMOP; | |
785 | PMOP *rpm = pm; | |
786 | register SV *dstr; | |
787 | register char *s; | |
788 | char *strend; | |
789 | register char *m; | |
790 | char *c; | |
791 | register char *d; | |
792 | I32 clen; | |
793 | I32 iters = 0; | |
794 | I32 maxiters; | |
795 | register I32 i; | |
796 | bool once; | |
797 | char *orig; | |
798 | I32 safebase; | |
799 | register REGEXP *rx = pm->op_pmregexp; | |
800 | ||
801 | if (pm->op_pmflags & PMf_CONST) /* known replacement string? */ | |
802 | dstr = POPs; | |
803 | if (op->op_flags & OPf_STACKED) | |
804 | TARG = POPs; | |
805 | else { | |
806 | TARG = GvSV(defgv); | |
807 | EXTEND(SP,1); | |
808 | } | |
809 | s = SvPVn(TARG); | |
810 | if (!pm || !s) | |
811 | DIE("panic: do_subst"); | |
812 | ||
813 | strend = s + SvCUR(TARG); | |
814 | maxiters = (strend - s) + 10; | |
815 | ||
816 | if (!rx->prelen && curpm) { | |
817 | pm = curpm; | |
818 | rx = pm->op_pmregexp; | |
819 | } | |
820 | safebase = ((!rx || !rx->nparens) && !sawampersand); | |
821 | orig = m = s; | |
822 | if (hint) { | |
823 | if (hint < s || hint > strend) | |
824 | DIE("panic: hint in do_match"); | |
825 | s = hint; | |
826 | hint = Nullch; | |
827 | if (rx->regback >= 0) { | |
828 | s -= rx->regback; | |
829 | if (s < m) | |
830 | s = m; | |
831 | } | |
832 | else | |
833 | s = m; | |
834 | } | |
835 | else if (pm->op_pmshort) { | |
836 | if (pm->op_pmflags & PMf_SCANFIRST) { | |
837 | if (SvSCREAM(TARG)) { | |
838 | if (screamfirst[BmRARE(pm->op_pmshort)] < 0) | |
839 | goto nope; | |
840 | else if (!(s = screaminstr(TARG, pm->op_pmshort))) | |
841 | goto nope; | |
842 | } | |
843 | else if (!(s = fbm_instr((unsigned char*)s, (unsigned char*)strend, | |
844 | pm->op_pmshort))) | |
845 | goto nope; | |
846 | if (s && rx->regback >= 0) { | |
847 | ++BmUSEFUL(pm->op_pmshort); | |
848 | s -= rx->regback; | |
849 | if (s < m) | |
850 | s = m; | |
851 | } | |
852 | else | |
853 | s = m; | |
854 | } | |
855 | else if (!multiline) { | |
856 | if (*SvPV(pm->op_pmshort) != *s || | |
857 | bcmp(SvPV(pm->op_pmshort), s, pm->op_pmslen) ) { | |
858 | if (pm->op_pmflags & PMf_FOLD) { | |
859 | if (ibcmp(SvPV(pm->op_pmshort), s, pm->op_pmslen) ) | |
860 | goto nope; | |
861 | } | |
862 | else | |
863 | goto nope; | |
864 | } | |
865 | } | |
866 | if (--BmUSEFUL(pm->op_pmshort) < 0) { | |
867 | sv_free(pm->op_pmshort); | |
868 | pm->op_pmshort = Nullsv; /* opt is being useless */ | |
869 | } | |
870 | } | |
871 | once = !(rpm->op_pmflags & PMf_GLOBAL); | |
872 | if (rpm->op_pmflags & PMf_CONST) { /* known replacement string? */ | |
873 | c = SvPVn(dstr); | |
874 | clen = SvCUR(dstr); | |
875 | if (clen <= rx->minlen) { | |
876 | /* can do inplace substitution */ | |
877 | if (regexec(rx, s, strend, orig, 0, | |
878 | SvSCREAM(TARG) ? TARG : Nullsv, safebase)) { | |
879 | if (rx->subbase) /* oops, no we can't */ | |
880 | goto long_way; | |
881 | d = s; | |
882 | curpm = pm; | |
883 | SvSCREAM_off(TARG); /* disable possible screamer */ | |
884 | if (once) { | |
885 | m = rx->startp[0]; | |
886 | d = rx->endp[0]; | |
887 | s = orig; | |
888 | if (m - s > strend - d) { /* faster to shorten from end */ | |
889 | if (clen) { | |
890 | Copy(c, m, clen, char); | |
891 | m += clen; | |
892 | } | |
893 | i = strend - d; | |
894 | if (i > 0) { | |
895 | Move(d, m, i, char); | |
896 | m += i; | |
897 | } | |
898 | *m = '\0'; | |
899 | SvCUR_set(TARG, m - s); | |
900 | SvNOK_off(TARG); | |
901 | SvSETMAGIC(TARG); | |
902 | PUSHs(&sv_yes); | |
903 | RETURN; | |
904 | } | |
905 | /*SUPPRESS 560*/ | |
906 | else if (i = m - s) { /* faster from front */ | |
907 | d -= clen; | |
908 | m = d; | |
909 | sv_chop(TARG, d-i); | |
910 | s += i; | |
911 | while (i--) | |
912 | *--d = *--s; | |
913 | if (clen) | |
914 | Copy(c, m, clen, char); | |
915 | SvNOK_off(TARG); | |
916 | SvSETMAGIC(TARG); | |
917 | PUSHs(&sv_yes); | |
918 | RETURN; | |
919 | } | |
920 | else if (clen) { | |
921 | d -= clen; | |
922 | sv_chop(TARG, d); | |
923 | Copy(c, d, clen, char); | |
924 | SvNOK_off(TARG); | |
925 | SvSETMAGIC(TARG); | |
926 | PUSHs(&sv_yes); | |
927 | RETURN; | |
928 | } | |
929 | else { | |
930 | sv_chop(TARG, d); | |
931 | SvNOK_off(TARG); | |
932 | SvSETMAGIC(TARG); | |
933 | PUSHs(&sv_yes); | |
934 | RETURN; | |
935 | } | |
936 | /* NOTREACHED */ | |
937 | } | |
938 | do { | |
939 | if (iters++ > maxiters) | |
940 | DIE("Substitution loop"); | |
941 | m = rx->startp[0]; | |
942 | /*SUPPRESS 560*/ | |
943 | if (i = m - s) { | |
944 | if (s != d) | |
945 | Move(s, d, i, char); | |
946 | d += i; | |
947 | } | |
948 | if (clen) { | |
949 | Copy(c, d, clen, char); | |
950 | d += clen; | |
951 | } | |
952 | s = rx->endp[0]; | |
953 | } while (regexec(rx, s, strend, orig, s == m, | |
954 | Nullsv, TRUE)); /* (don't match same null twice) */ | |
955 | if (s != d) { | |
956 | i = strend - s; | |
957 | SvCUR_set(TARG, d - SvPV(TARG) + i); | |
958 | Move(s, d, i+1, char); /* include the Null */ | |
959 | } | |
960 | SvNOK_off(TARG); | |
961 | SvSETMAGIC(TARG); | |
962 | PUSHs(sv_2mortal(newSVnv((double)iters))); | |
963 | RETURN; | |
964 | } | |
965 | PUSHs(&sv_no); | |
966 | RETURN; | |
967 | } | |
968 | } | |
969 | else | |
970 | c = Nullch; | |
971 | if (regexec(rx, s, strend, orig, 0, | |
972 | SvSCREAM(TARG) ? TARG : Nullsv, safebase)) { | |
973 | long_way: | |
974 | dstr = NEWSV(25, sv_len(TARG)); | |
975 | sv_setpvn(dstr, m, s-m); | |
976 | curpm = pm; | |
977 | if (!c) { | |
978 | register CONTEXT *cx; | |
979 | PUSHSUBST(cx); | |
980 | RETURNOP(cPMOP->op_pmreplroot); | |
981 | } | |
982 | do { | |
983 | if (iters++ > maxiters) | |
984 | DIE("Substitution loop"); | |
985 | if (rx->subbase && rx->subbase != orig) { | |
986 | m = s; | |
987 | s = orig; | |
988 | orig = rx->subbase; | |
989 | s = orig + (m - s); | |
990 | strend = s + (strend - m); | |
991 | } | |
992 | m = rx->startp[0]; | |
993 | sv_catpvn(dstr, s, m-s); | |
994 | s = rx->endp[0]; | |
995 | if (clen) | |
996 | sv_catpvn(dstr, c, clen); | |
997 | if (once) | |
998 | break; | |
999 | } while (regexec(rx, s, strend, orig, s == m, Nullsv, | |
1000 | safebase)); | |
1001 | sv_catpvn(dstr, s, strend - s); | |
1002 | sv_replace(TARG, dstr); | |
1003 | SvNOK_off(TARG); | |
1004 | SvSETMAGIC(TARG); | |
1005 | PUSHs(sv_2mortal(newSVnv((double)iters))); | |
1006 | RETURN; | |
1007 | } | |
1008 | PUSHs(&sv_no); | |
1009 | RETURN; | |
1010 | ||
1011 | nope: | |
1012 | ++BmUSEFUL(pm->op_pmshort); | |
1013 | PUSHs(&sv_no); | |
1014 | RETURN; | |
1015 | } | |
1016 | ||
1017 | PP(pp_substcont) | |
1018 | { | |
1019 | dSP; | |
1020 | register PMOP *pm = (PMOP*) cLOGOP->op_other; | |
1021 | register CONTEXT *cx = &cxstack[cxstack_ix]; | |
1022 | register SV *dstr = cx->sb_dstr; | |
1023 | register char *s = cx->sb_s; | |
1024 | register char *m = cx->sb_m; | |
1025 | char *orig = cx->sb_orig; | |
1026 | register REGEXP *rx = pm->op_pmregexp; | |
1027 | ||
1028 | if (cx->sb_iters++) { | |
1029 | if (cx->sb_iters > cx->sb_maxiters) | |
1030 | DIE("Substitution loop"); | |
1031 | ||
1032 | sv_catsv(dstr, POPs); | |
1033 | if (rx->subbase) | |
1034 | Safefree(rx->subbase); | |
1035 | rx->subbase = cx->sb_subbase; | |
1036 | ||
1037 | /* Are we done */ | |
1038 | if (cx->sb_once || !regexec(rx, s, cx->sb_strend, orig, | |
1039 | s == m, Nullsv, cx->sb_safebase)) | |
1040 | { | |
1041 | SV *targ = cx->sb_targ; | |
1042 | sv_catpvn(dstr, s, cx->sb_strend - s); | |
1043 | sv_replace(targ, dstr); | |
1044 | SvNOK_off(targ); | |
1045 | SvSETMAGIC(targ); | |
1046 | PUSHs(sv_2mortal(newSVnv((double)(cx->sb_iters - 1)))); | |
1047 | POPSUBST(cx); | |
1048 | RETURNOP(pm->op_next); | |
1049 | } | |
1050 | } | |
1051 | if (rx->subbase && rx->subbase != orig) { | |
1052 | m = s; | |
1053 | s = orig; | |
1054 | cx->sb_orig = orig = rx->subbase; | |
1055 | s = orig + (m - s); | |
1056 | cx->sb_strend = s + (cx->sb_strend - m); | |
1057 | } | |
1058 | cx->sb_m = m = rx->startp[0]; | |
1059 | sv_catpvn(dstr, s, m-s); | |
1060 | cx->sb_s = rx->endp[0]; | |
1061 | cx->sb_subbase = rx->subbase; | |
1062 | ||
1063 | rx->subbase = Nullch; /* so recursion works */ | |
1064 | RETURNOP(pm->op_pmreplstart); | |
1065 | } | |
1066 | ||
1067 | PP(pp_trans) | |
1068 | { | |
1069 | dSP; dTARG; | |
1070 | SV *sv; | |
1071 | ||
1072 | if (op->op_flags & OPf_STACKED) | |
1073 | sv = POPs; | |
1074 | else { | |
1075 | sv = GvSV(defgv); | |
1076 | EXTEND(SP,1); | |
1077 | } | |
1078 | TARG = NEWSV(27,0); | |
1079 | PUSHi(do_trans(sv, op)); | |
1080 | RETURN; | |
1081 | } | |
1082 | ||
1083 | /* Lvalue operators. */ | |
1084 | ||
1085 | PP(pp_sassign) | |
1086 | { | |
1087 | dSP; dPOPTOPssrl; | |
1088 | #ifdef TAINT | |
1089 | if (tainted && !lstr->sv_tainted) | |
1090 | TAINT_NOT; | |
1091 | #endif | |
1092 | SvSetSV(rstr, lstr); | |
1093 | SvSETMAGIC(rstr); | |
1094 | SETs(rstr); | |
1095 | RETURN; | |
1096 | } | |
1097 | ||
1098 | PP(pp_aassign) | |
1099 | { | |
1100 | dSP; | |
1101 | SV **lastlelem = stack_sp; | |
1102 | SV **lastrelem = stack_base + POPMARK; | |
1103 | SV **firstrelem = stack_base + POPMARK + 1; | |
1104 | SV **firstlelem = lastrelem + 1; | |
1105 | ||
1106 | register SV **relem; | |
1107 | register SV **lelem; | |
1108 | ||
1109 | register SV *sv; | |
1110 | register AV *ary; | |
1111 | ||
1112 | HV *hash; | |
1113 | I32 i; | |
1114 | ||
1115 | delaymagic = DM_DELAY; /* catch simultaneous items */ | |
1116 | ||
1117 | /* If there's a common identifier on both sides we have to take | |
1118 | * special care that assigning the identifier on the left doesn't | |
1119 | * clobber a value on the right that's used later in the list. | |
1120 | */ | |
1121 | if (op->op_private & OPpASSIGN_COMMON) { | |
1122 | for (relem = firstrelem; relem <= lastrelem; relem++) { | |
1123 | /*SUPPRESS 560*/ | |
1124 | if (sv = *relem) | |
1125 | *relem = sv_mortalcopy(sv); | |
1126 | } | |
1127 | } | |
1128 | ||
1129 | relem = firstrelem; | |
1130 | lelem = firstlelem; | |
1131 | ary = Null(AV*); | |
1132 | hash = Null(HV*); | |
1133 | while (lelem <= lastlelem) { | |
1134 | sv = *lelem++; | |
1135 | switch (SvTYPE(sv)) { | |
1136 | case SVt_PVAV: | |
1137 | ary = (AV*)sv; | |
1138 | AvREAL_on(ary); | |
1139 | AvFILL(ary) = -1; | |
1140 | i = 0; | |
1141 | while (relem <= lastrelem) { /* gobble up all the rest */ | |
1142 | sv = NEWSV(28,0); | |
1143 | if (*relem) | |
1144 | sv_setsv(sv,*relem); | |
1145 | *(relem++) = sv; | |
1146 | (void)av_store(ary,i++,sv); | |
1147 | } | |
1148 | break; | |
1149 | case SVt_PVHV: { | |
1150 | char *tmps; | |
1151 | SV *tmpstr; | |
1152 | MAGIC* magic = 0; | |
1153 | I32 magictype; | |
1154 | ||
1155 | hash = (HV*)sv; | |
1156 | hv_clear(hash, TRUE); /* wipe any dbm file too */ | |
1157 | ||
1158 | while (relem < lastrelem) { /* gobble up all the rest */ | |
1159 | if (*relem) | |
1160 | sv = *(relem++); | |
1161 | else | |
1162 | sv = &sv_no, relem++; | |
1163 | tmps = SvPVn(sv); | |
1164 | tmpstr = NEWSV(29,0); | |
1165 | if (*relem) | |
1166 | sv_setsv(tmpstr,*relem); /* value */ | |
1167 | *(relem++) = tmpstr; | |
1168 | (void)hv_store(hash,tmps,SvCUR(sv),tmpstr,0); | |
1169 | } | |
1170 | } | |
1171 | break; | |
1172 | default: | |
1173 | if (SvREADONLY(sv)) { | |
1174 | if (sv != &sv_undef && sv != &sv_yes && sv != &sv_no) | |
1175 | DIE(no_modify); | |
1176 | if (relem <= lastrelem) | |
1177 | relem++; | |
1178 | break; | |
1179 | } | |
1180 | if (relem <= lastrelem) { | |
1181 | sv_setsv(sv, *relem); | |
1182 | *(relem++) = sv; | |
1183 | } | |
1184 | else | |
1185 | sv_setsv(sv, &sv_undef); | |
1186 | SvSETMAGIC(sv); | |
1187 | break; | |
1188 | } | |
1189 | } | |
1190 | if (delaymagic & ~DM_DELAY) { | |
1191 | if (delaymagic & DM_UID) { | |
1192 | #ifdef HAS_SETREUID | |
1193 | (void)setreuid(uid,euid); | |
1194 | #else /* not HAS_SETREUID */ | |
1195 | #ifdef HAS_SETRUID | |
1196 | if ((delaymagic & DM_UID) == DM_RUID) { | |
1197 | (void)setruid(uid); | |
1198 | delaymagic =~ DM_RUID; | |
1199 | } | |
1200 | #endif /* HAS_SETRUID */ | |
1201 | #ifdef HAS_SETEUID | |
1202 | if ((delaymagic & DM_UID) == DM_EUID) { | |
1203 | (void)seteuid(uid); | |
1204 | delaymagic =~ DM_EUID; | |
1205 | } | |
1206 | #endif /* HAS_SETEUID */ | |
1207 | if (delaymagic & DM_UID) { | |
1208 | if (uid != euid) | |
1209 | DIE("No setreuid available"); | |
1210 | (void)setuid(uid); | |
1211 | } | |
1212 | #endif /* not HAS_SETREUID */ | |
1213 | uid = (int)getuid(); | |
1214 | euid = (int)geteuid(); | |
1215 | } | |
1216 | if (delaymagic & DM_GID) { | |
1217 | #ifdef HAS_SETREGID | |
1218 | (void)setregid(gid,egid); | |
1219 | #else /* not HAS_SETREGID */ | |
1220 | #ifdef HAS_SETRGID | |
1221 | if ((delaymagic & DM_GID) == DM_RGID) { | |
1222 | (void)setrgid(gid); | |
1223 | delaymagic =~ DM_RGID; | |
1224 | } | |
1225 | #endif /* HAS_SETRGID */ | |
1226 | #ifdef HAS_SETEGID | |
1227 | if ((delaymagic & DM_GID) == DM_EGID) { | |
1228 | (void)setegid(gid); | |
1229 | delaymagic =~ DM_EGID; | |
1230 | } | |
1231 | #endif /* HAS_SETEGID */ | |
1232 | if (delaymagic & DM_GID) { | |
1233 | if (gid != egid) | |
1234 | DIE("No setregid available"); | |
1235 | (void)setgid(gid); | |
1236 | } | |
1237 | #endif /* not HAS_SETREGID */ | |
1238 | gid = (int)getgid(); | |
1239 | egid = (int)getegid(); | |
1240 | } | |
1241 | } | |
1242 | delaymagic = 0; | |
1243 | if (GIMME == G_ARRAY) { | |
1244 | if (ary || hash) | |
1245 | SP = lastrelem; | |
1246 | else | |
1247 | SP = firstrelem + (lastlelem - firstlelem); | |
1248 | RETURN; | |
1249 | } | |
1250 | else { | |
1251 | dTARGET; | |
1252 | SP = firstrelem; | |
1253 | SETi(lastrelem - firstrelem + 1); | |
1254 | RETURN; | |
1255 | } | |
1256 | } | |
1257 | ||
1258 | PP(pp_schop) | |
1259 | { | |
1260 | dSP; dTARGET; | |
1261 | SV *sv; | |
1262 | ||
1263 | if (MAXARG < 1) | |
1264 | sv = GvSV(defgv); | |
1265 | else | |
1266 | sv = POPs; | |
1267 | do_chop(TARG, sv); | |
1268 | PUSHTARG; | |
1269 | RETURN; | |
1270 | } | |
1271 | ||
1272 | PP(pp_chop) | |
1273 | { | |
1274 | dSP; dMARK; dTARGET; | |
1275 | while (SP > MARK) | |
1276 | do_chop(TARG, POPs); | |
1277 | PUSHTARG; | |
1278 | RETURN; | |
1279 | } | |
1280 | ||
1281 | PP(pp_defined) | |
1282 | { | |
1283 | dSP; | |
1284 | register SV* sv; | |
1285 | ||
1286 | if (MAXARG < 1) { | |
1287 | sv = GvSV(defgv); | |
1288 | EXTEND(SP, 1); | |
1289 | } | |
1290 | else | |
1291 | sv = POPs; | |
1292 | if (!sv || !SvANY(sv)) | |
1293 | RETPUSHNO; | |
1294 | switch (SvTYPE(sv)) { | |
1295 | case SVt_PVAV: | |
1296 | if (AvMAX(sv) >= 0) | |
1297 | RETPUSHYES; | |
1298 | break; | |
1299 | case SVt_PVHV: | |
1300 | if (HvARRAY(sv)) | |
1301 | RETPUSHYES; | |
1302 | break; | |
1303 | case SVt_PVCV: | |
1304 | if (CvROOT(sv)) | |
1305 | RETPUSHYES; | |
1306 | break; | |
1307 | default: | |
1308 | if (SvOK(sv)) | |
1309 | RETPUSHYES; | |
1310 | } | |
1311 | RETPUSHNO; | |
1312 | } | |
1313 | ||
1314 | PP(pp_undef) | |
1315 | { | |
1316 | dSP; | |
1317 | SV *sv; | |
1318 | ||
1319 | if (!op->op_private) | |
1320 | RETPUSHUNDEF; | |
1321 | ||
1322 | sv = POPs; | |
1323 | if (SvREADONLY(sv)) | |
1324 | RETPUSHUNDEF; | |
1325 | ||
1326 | switch (SvTYPE(sv)) { | |
1327 | case SVt_NULL: | |
1328 | break; | |
1329 | case SVt_PVAV: | |
1330 | av_undef((AV*)sv); | |
1331 | break; | |
1332 | case SVt_PVHV: | |
1333 | hv_undef((HV*)sv); | |
1334 | break; | |
1335 | case SVt_PVCV: { | |
1336 | CV *cv = (CV*)sv; | |
1337 | op_free(CvROOT(cv)); | |
1338 | CvROOT(cv) = 0; | |
1339 | break; | |
1340 | } | |
1341 | default: | |
1342 | if (sv != GvSV(defgv)) { | |
1343 | if (SvPOK(sv) && SvLEN(sv)) { | |
1344 | SvOOK_off(sv); | |
1345 | Safefree(SvPV(sv)); | |
1346 | SvPV_set(sv, Nullch); | |
1347 | SvLEN_set(sv, 0); | |
1348 | } | |
1349 | SvOK_off(sv); | |
1350 | SvSETMAGIC(sv); | |
1351 | } | |
1352 | } | |
1353 | ||
1354 | RETPUSHUNDEF; | |
1355 | } | |
1356 | ||
1357 | PP(pp_study) | |
1358 | { | |
1359 | dSP; dTARGET; | |
1360 | register unsigned char *s; | |
1361 | register I32 pos; | |
1362 | register I32 ch; | |
1363 | register I32 *sfirst; | |
1364 | register I32 *snext; | |
1365 | I32 retval; | |
1366 | ||
1367 | s = (unsigned char*)(SvPVn(TARG)); | |
1368 | pos = SvCUR(TARG); | |
1369 | if (lastscream) | |
1370 | SvSCREAM_off(lastscream); | |
1371 | lastscream = TARG; | |
1372 | if (pos <= 0) { | |
1373 | retval = 0; | |
1374 | goto ret; | |
1375 | } | |
1376 | if (pos > maxscream) { | |
1377 | if (maxscream < 0) { | |
1378 | maxscream = pos + 80; | |
1379 | New(301, screamfirst, 256, I32); | |
1380 | New(302, screamnext, maxscream, I32); | |
1381 | } | |
1382 | else { | |
1383 | maxscream = pos + pos / 4; | |
1384 | Renew(screamnext, maxscream, I32); | |
1385 | } | |
1386 | } | |
1387 | ||
1388 | sfirst = screamfirst; | |
1389 | snext = screamnext; | |
1390 | ||
1391 | if (!sfirst || !snext) | |
1392 | DIE("do_study: out of memory"); | |
1393 | ||
1394 | for (ch = 256; ch; --ch) | |
1395 | *sfirst++ = -1; | |
1396 | sfirst -= 256; | |
1397 | ||
1398 | while (--pos >= 0) { | |
1399 | ch = s[pos]; | |
1400 | if (sfirst[ch] >= 0) | |
1401 | snext[pos] = sfirst[ch] - pos; | |
1402 | else | |
1403 | snext[pos] = -pos; | |
1404 | sfirst[ch] = pos; | |
1405 | ||
1406 | /* If there were any case insensitive searches, we must assume they | |
1407 | * all are. This speeds up insensitive searches much more than | |
1408 | * it slows down sensitive ones. | |
1409 | */ | |
1410 | if (sawi) | |
1411 | sfirst[fold[ch]] = pos; | |
1412 | } | |
1413 | ||
1414 | SvSCREAM_on(TARG); | |
1415 | retval = 1; | |
1416 | ret: | |
1417 | XPUSHs(sv_2mortal(newSVnv((double)retval))); | |
1418 | RETURN; | |
1419 | } | |
1420 | ||
1421 | PP(pp_preinc) | |
1422 | { | |
1423 | dSP; | |
1424 | sv_inc(TOPs); | |
1425 | SvSETMAGIC(TOPs); | |
1426 | return NORMAL; | |
1427 | } | |
1428 | ||
1429 | PP(pp_predec) | |
1430 | { | |
1431 | dSP; | |
1432 | sv_dec(TOPs); | |
1433 | SvSETMAGIC(TOPs); | |
1434 | return NORMAL; | |
1435 | } | |
1436 | ||
1437 | PP(pp_postinc) | |
1438 | { | |
1439 | dSP; dTARGET; | |
1440 | sv_setsv(TARG, TOPs); | |
1441 | sv_inc(TOPs); | |
1442 | SvSETMAGIC(TOPs); | |
1443 | SETs(TARG); | |
1444 | return NORMAL; | |
1445 | } | |
1446 | ||
1447 | PP(pp_postdec) | |
1448 | { | |
1449 | dSP; dTARGET; | |
1450 | sv_setsv(TARG, TOPs); | |
1451 | sv_dec(TOPs); | |
1452 | SvSETMAGIC(TOPs); | |
1453 | SETs(TARG); | |
1454 | return NORMAL; | |
1455 | } | |
1456 | ||
1457 | /* Ordinary operators. */ | |
1458 | ||
1459 | PP(pp_pow) | |
1460 | { | |
1461 | dSP; dATARGET; dPOPTOPnnrl; | |
1462 | SETn( pow( left, right) ); | |
1463 | RETURN; | |
1464 | } | |
1465 | ||
1466 | PP(pp_multiply) | |
1467 | { | |
1468 | dSP; dATARGET; dPOPTOPnnrl; | |
1469 | SETn( left * right ); | |
1470 | RETURN; | |
1471 | } | |
1472 | ||
1473 | PP(pp_divide) | |
1474 | { | |
1475 | dSP; dATARGET; dPOPnv; | |
1476 | if (value == 0.0) | |
1477 | DIE("Illegal division by zero"); | |
1478 | #ifdef SLOPPYDIVIDE | |
1479 | /* insure that 20./5. == 4. */ | |
1480 | { | |
1481 | double x; | |
1482 | I32 k; | |
1483 | x = POPn; | |
1484 | if ((double)(I32)x == x && | |
1485 | (double)(I32)value == value && | |
1486 | (k = (I32)x/(I32)value)*(I32)value == (I32)x) { | |
1487 | value = k; | |
1488 | } else { | |
1489 | value = x/value; | |
1490 | } | |
1491 | } | |
1492 | #else | |
1493 | value = POPn / value; | |
1494 | #endif | |
1495 | PUSHn( value ); | |
1496 | RETURN; | |
1497 | } | |
1498 | ||
1499 | PP(pp_modulo) | |
1500 | { | |
1501 | dSP; dATARGET; | |
1502 | register unsigned long tmpulong; | |
1503 | register long tmplong; | |
1504 | I32 value; | |
1505 | ||
1506 | tmpulong = (unsigned long) POPn; | |
1507 | if (tmpulong == 0L) | |
1508 | DIE("Illegal modulus zero"); | |
1509 | value = TOPn; | |
1510 | if (value >= 0.0) | |
1511 | value = (I32)(((unsigned long)value) % tmpulong); | |
1512 | else { | |
1513 | tmplong = (long)value; | |
1514 | value = (I32)(tmpulong - ((-tmplong - 1) % tmpulong)) - 1; | |
1515 | } | |
1516 | SETi(value); | |
1517 | RETURN; | |
1518 | } | |
1519 | ||
1520 | PP(pp_repeat) | |
1521 | { | |
1522 | dSP; dATARGET; | |
1523 | register I32 count = POPi; | |
1524 | if (GIMME == G_ARRAY && op->op_private & OPpREPEAT_DOLIST) { | |
1525 | dMARK; | |
1526 | I32 items = SP - MARK; | |
1527 | I32 max; | |
1528 | ||
1529 | max = items * count; | |
1530 | MEXTEND(MARK, max); | |
1531 | if (count > 1) { | |
1532 | while (SP > MARK) { | |
1533 | if (*SP) | |
1534 | SvTEMP_off((*SP)); | |
1535 | SP--; | |
1536 | } | |
1537 | MARK++; | |
1538 | repeatcpy(MARK + items, MARK, items * sizeof(SV*), count - 1); | |
1539 | } | |
1540 | SP += max; | |
1541 | } | |
1542 | else { /* Note: mark already snarfed by pp_list */ | |
1543 | SV *tmpstr; | |
1544 | char *tmps; | |
1545 | ||
1546 | tmpstr = POPs; | |
1547 | SvSetSV(TARG, tmpstr); | |
1548 | if (count >= 1) { | |
1549 | tmpstr = NEWSV(50, 0); | |
1550 | tmps = SvPVn(TARG); | |
1551 | sv_setpvn(tmpstr, tmps, SvCUR(TARG)); | |
1552 | tmps = SvPVn(tmpstr); /* force to be string */ | |
1553 | SvGROW(TARG, (count * SvCUR(TARG)) + 1); | |
1554 | repeatcpy(SvPV(TARG), tmps, SvCUR(tmpstr), count); | |
1555 | SvCUR(TARG) *= count; | |
1556 | *SvEND(TARG) = '\0'; | |
1557 | SvNOK_off(TARG); | |
1558 | sv_free(tmpstr); | |
1559 | } | |
1560 | else { | |
1561 | if (dowarn && SvPOK(SP[1]) && !looks_like_number(SP[1])) | |
1562 | warn("Right operand of x is not numeric"); | |
1563 | sv_setsv(TARG, &sv_no); | |
1564 | } | |
1565 | PUSHTARG; | |
1566 | } | |
1567 | RETURN; | |
1568 | } | |
1569 | ||
1570 | PP(pp_add) | |
1571 | { | |
1572 | dSP; dATARGET; dPOPTOPnnrl; | |
1573 | SETn( left + right ); | |
1574 | RETURN; | |
1575 | } | |
1576 | ||
1577 | PP(pp_intadd) | |
1578 | { | |
1579 | dSP; dATARGET; dPOPTOPiirl; | |
1580 | SETi( left + right ); | |
1581 | RETURN; | |
1582 | } | |
1583 | ||
1584 | PP(pp_subtract) | |
1585 | { | |
1586 | dSP; dATARGET; dPOPTOPnnrl; | |
1587 | SETn( left - right ); | |
1588 | RETURN; | |
1589 | } | |
1590 | ||
1591 | PP(pp_concat) | |
1592 | { | |
1593 | dSP; dATARGET; dPOPTOPssrl; | |
1594 | SvSetSV(TARG, lstr); | |
1595 | sv_catsv(TARG, rstr); | |
1596 | SETTARG; | |
1597 | RETURN; | |
1598 | } | |
1599 | ||
1600 | PP(pp_left_shift) | |
1601 | { | |
1602 | dSP; dATARGET; | |
1603 | I32 anum = POPi; | |
1604 | double value = TOPn; | |
1605 | SETi( U_L(value) << anum ); | |
1606 | RETURN; | |
1607 | } | |
1608 | ||
1609 | PP(pp_right_shift) | |
1610 | { | |
1611 | dSP; dATARGET; | |
1612 | I32 anum = POPi; | |
1613 | double value = TOPn; | |
1614 | SETi( U_L(value) >> anum ); | |
1615 | RETURN; | |
1616 | } | |
1617 | ||
1618 | PP(pp_lt) | |
1619 | { | |
1620 | dSP; dPOPnv; | |
1621 | SETs((TOPn < value) ? &sv_yes : &sv_no); | |
1622 | RETURN; | |
1623 | } | |
1624 | ||
1625 | PP(pp_gt) | |
1626 | { | |
1627 | dSP; dPOPnv; | |
1628 | SETs((TOPn > value) ? &sv_yes : &sv_no); | |
1629 | RETURN; | |
1630 | } | |
1631 | ||
1632 | PP(pp_le) | |
1633 | { | |
1634 | dSP; dPOPnv; | |
1635 | SETs((TOPn <= value) ? &sv_yes : &sv_no); | |
1636 | RETURN; | |
1637 | } | |
1638 | ||
1639 | PP(pp_ge) | |
1640 | { | |
1641 | dSP; dPOPnv; | |
1642 | SETs((TOPn >= value) ? &sv_yes : &sv_no); | |
1643 | RETURN; | |
1644 | } | |
1645 | ||
1646 | PP(pp_eq) | |
1647 | { | |
1648 | dSP; double value; | |
1649 | ||
1650 | if (dowarn) { | |
1651 | if ((!SvNIOK(SP[ 0]) && !looks_like_number(SP[ 0])) || | |
1652 | (!SvNIOK(SP[-1]) && !looks_like_number(SP[-1])) ) | |
1653 | warn("Possible use of == on string value"); | |
1654 | } | |
1655 | ||
1656 | value = POPn; | |
1657 | SETs((TOPn == value) ? &sv_yes : &sv_no); | |
1658 | RETURN; | |
1659 | } | |
1660 | ||
1661 | PP(pp_ne) | |
1662 | { | |
1663 | dSP; dPOPnv; | |
1664 | SETs((TOPn != value) ? &sv_yes : &sv_no); | |
1665 | RETURN; | |
1666 | } | |
1667 | ||
1668 | PP(pp_ncmp) | |
1669 | { | |
1670 | dSP; dTARGET; dPOPTOPnnrl; | |
1671 | I32 value; | |
1672 | ||
1673 | if (left > right) | |
1674 | value = 1; | |
1675 | else if (left < right) | |
1676 | value = -1; | |
1677 | else | |
1678 | value = 0; | |
1679 | SETi(value); | |
1680 | RETURN; | |
1681 | } | |
1682 | ||
1683 | PP(pp_slt) | |
1684 | { | |
1685 | dSP; dPOPTOPssrl; | |
1686 | SETs( sv_cmp(lstr, rstr) < 0 ? &sv_yes : &sv_no ); | |
1687 | RETURN; | |
1688 | } | |
1689 | ||
1690 | PP(pp_sgt) | |
1691 | { | |
1692 | dSP; dPOPTOPssrl; | |
1693 | SETs( sv_cmp(lstr, rstr) > 0 ? &sv_yes : &sv_no ); | |
1694 | RETURN; | |
1695 | } | |
1696 | ||
1697 | PP(pp_sle) | |
1698 | { | |
1699 | dSP; dPOPTOPssrl; | |
1700 | SETs( sv_cmp(lstr, rstr) <= 0 ? &sv_yes : &sv_no ); | |
1701 | RETURN; | |
1702 | } | |
1703 | ||
1704 | PP(pp_sge) | |
1705 | { | |
1706 | dSP; dPOPTOPssrl; | |
1707 | SETs( sv_cmp(lstr, rstr) >= 0 ? &sv_yes : &sv_no ); | |
1708 | RETURN; | |
1709 | } | |
1710 | ||
1711 | PP(pp_seq) | |
1712 | { | |
1713 | dSP; dPOPTOPssrl; | |
1714 | SETs( sv_eq(lstr, rstr) ? &sv_yes : &sv_no ); | |
1715 | RETURN; | |
1716 | } | |
1717 | ||
1718 | PP(pp_sne) | |
1719 | { | |
1720 | dSP; dPOPTOPssrl; | |
1721 | SETs( !sv_eq(lstr, rstr) ? &sv_yes : &sv_no ); | |
1722 | RETURN; | |
1723 | } | |
1724 | ||
1725 | PP(pp_scmp) | |
1726 | { | |
1727 | dSP; dTARGET; | |
1728 | dPOPTOPssrl; | |
1729 | SETi( sv_cmp(lstr, rstr) ); | |
1730 | RETURN; | |
1731 | } | |
1732 | ||
1733 | PP(pp_bit_and) | |
1734 | { | |
1735 | dSP; dATARGET; dPOPTOPssrl; | |
1736 | if (SvNIOK(lstr) || SvNIOK(rstr)) { | |
1737 | I32 value = SvIVn(lstr); | |
1738 | value = value & SvIVn(rstr); | |
1739 | SETi(value); | |
1740 | } | |
1741 | else { | |
1742 | do_vop(op->op_type, TARG, lstr, rstr); | |
1743 | SETTARG; | |
1744 | } | |
1745 | RETURN; | |
1746 | } | |
1747 | ||
1748 | PP(pp_xor) | |
1749 | { | |
1750 | dSP; dATARGET; dPOPTOPssrl; | |
1751 | if (SvNIOK(lstr) || SvNIOK(rstr)) { | |
1752 | I32 value = SvIVn(lstr); | |
1753 | value = value ^ SvIVn(rstr); | |
1754 | SETi(value); | |
1755 | } | |
1756 | else { | |
1757 | do_vop(op->op_type, TARG, lstr, rstr); | |
1758 | SETTARG; | |
1759 | } | |
1760 | RETURN; | |
1761 | } | |
1762 | ||
1763 | PP(pp_bit_or) | |
1764 | { | |
1765 | dSP; dATARGET; dPOPTOPssrl; | |
1766 | if (SvNIOK(lstr) || SvNIOK(rstr)) { | |
1767 | I32 value = SvIVn(lstr); | |
1768 | value = value | SvIVn(rstr); | |
1769 | SETi(value); | |
1770 | } | |
1771 | else { | |
1772 | do_vop(op->op_type, TARG, lstr, rstr); | |
1773 | SETTARG; | |
1774 | } | |
1775 | RETURN; | |
1776 | } | |
1777 | ||
1778 | PP(pp_negate) | |
1779 | { | |
1780 | dSP; dTARGET; | |
1781 | SETn(-TOPn); | |
1782 | RETURN; | |
1783 | } | |
1784 | ||
1785 | PP(pp_not) | |
1786 | { | |
1787 | *stack_sp = SvTRUE(*stack_sp) ? &sv_no : &sv_yes; | |
1788 | return NORMAL; | |
1789 | } | |
1790 | ||
1791 | PP(pp_complement) | |
1792 | { | |
1793 | dSP; dTARGET; dTOPss; | |
1794 | register I32 anum; | |
1795 | ||
1796 | if (SvNIOK(sv)) { | |
1797 | SETi( ~SvIVn(sv) ); | |
1798 | } | |
1799 | else { | |
1800 | register char *tmps; | |
1801 | register long *tmpl; | |
1802 | ||
1803 | SvSetSV(TARG, sv); | |
1804 | tmps = SvPVn(TARG); | |
1805 | anum = SvCUR(TARG); | |
1806 | #ifdef LIBERAL | |
1807 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
1808 | *tmps = ~*tmps; | |
1809 | tmpl = (long*)tmps; | |
1810 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
1811 | *tmpl = ~*tmpl; | |
1812 | tmps = (char*)tmpl; | |
1813 | #endif | |
1814 | for ( ; anum > 0; anum--, tmps++) | |
1815 | *tmps = ~*tmps; | |
1816 | ||
1817 | SETs(TARG); | |
1818 | } | |
1819 | RETURN; | |
1820 | } | |
1821 | ||
1822 | /* High falutin' math. */ | |
1823 | ||
1824 | PP(pp_atan2) | |
1825 | { | |
1826 | dSP; dTARGET; dPOPTOPnnrl; | |
1827 | SETn(atan2(left, right)); | |
1828 | RETURN; | |
1829 | } | |
1830 | ||
1831 | PP(pp_sin) | |
1832 | { | |
1833 | dSP; dTARGET; | |
1834 | double value; | |
1835 | if (MAXARG < 1) | |
1836 | value = SvNVnx(GvSV(defgv)); | |
1837 | else | |
1838 | value = POPn; | |
1839 | value = sin(value); | |
1840 | XPUSHn(value); | |
1841 | RETURN; | |
1842 | } | |
1843 | ||
1844 | PP(pp_cos) | |
1845 | { | |
1846 | dSP; dTARGET; | |
1847 | double value; | |
1848 | if (MAXARG < 1) | |
1849 | value = SvNVnx(GvSV(defgv)); | |
1850 | else | |
1851 | value = POPn; | |
1852 | value = cos(value); | |
1853 | XPUSHn(value); | |
1854 | RETURN; | |
1855 | } | |
1856 | ||
1857 | PP(pp_rand) | |
1858 | { | |
1859 | dSP; dTARGET; | |
1860 | double value; | |
1861 | if (MAXARG < 1) | |
1862 | value = 1.0; | |
1863 | else | |
1864 | value = POPn; | |
1865 | if (value == 0.0) | |
1866 | value = 1.0; | |
1867 | #if RANDBITS == 31 | |
1868 | value = rand() * value / 2147483648.0; | |
1869 | #else | |
1870 | #if RANDBITS == 16 | |
1871 | value = rand() * value / 65536.0; | |
1872 | #else | |
1873 | #if RANDBITS == 15 | |
1874 | value = rand() * value / 32768.0; | |
1875 | #else | |
1876 | value = rand() * value / (double)(((unsigned long)1) << RANDBITS); | |
1877 | #endif | |
1878 | #endif | |
1879 | #endif | |
1880 | XPUSHn(value); | |
1881 | RETURN; | |
1882 | } | |
1883 | ||
1884 | PP(pp_srand) | |
1885 | { | |
1886 | dSP; | |
1887 | I32 anum; | |
1888 | time_t when; | |
1889 | ||
1890 | if (MAXARG < 1) { | |
1891 | (void)time(&when); | |
1892 | anum = when; | |
1893 | } | |
1894 | else | |
1895 | anum = POPi; | |
1896 | (void)srand(anum); | |
1897 | EXTEND(SP, 1); | |
1898 | RETPUSHYES; | |
1899 | } | |
1900 | ||
1901 | PP(pp_exp) | |
1902 | { | |
1903 | dSP; dTARGET; | |
1904 | double value; | |
1905 | if (MAXARG < 1) | |
1906 | value = SvNVnx(GvSV(defgv)); | |
1907 | else | |
1908 | value = POPn; | |
1909 | value = exp(value); | |
1910 | XPUSHn(value); | |
1911 | RETURN; | |
1912 | } | |
1913 | ||
1914 | PP(pp_log) | |
1915 | { | |
1916 | dSP; dTARGET; | |
1917 | double value; | |
1918 | if (MAXARG < 1) | |
1919 | value = SvNVnx(GvSV(defgv)); | |
1920 | else | |
1921 | value = POPn; | |
1922 | if (value <= 0.0) | |
1923 | DIE("Can't take log of %g\n", value); | |
1924 | value = log(value); | |
1925 | XPUSHn(value); | |
1926 | RETURN; | |
1927 | } | |
1928 | ||
1929 | PP(pp_sqrt) | |
1930 | { | |
1931 | dSP; dTARGET; | |
1932 | double value; | |
1933 | if (MAXARG < 1) | |
1934 | value = SvNVnx(GvSV(defgv)); | |
1935 | else | |
1936 | value = POPn; | |
1937 | if (value < 0.0) | |
1938 | DIE("Can't take sqrt of %g\n", value); | |
1939 | value = sqrt(value); | |
1940 | XPUSHn(value); | |
1941 | RETURN; | |
1942 | } | |
1943 | ||
1944 | PP(pp_int) | |
1945 | { | |
1946 | dSP; dTARGET; | |
1947 | double value; | |
1948 | if (MAXARG < 1) | |
1949 | value = SvNVnx(GvSV(defgv)); | |
1950 | else | |
1951 | value = POPn; | |
1952 | if (value >= 0.0) | |
1953 | (void)modf(value, &value); | |
1954 | else { | |
1955 | (void)modf(-value, &value); | |
1956 | value = -value; | |
1957 | } | |
1958 | XPUSHn(value); | |
1959 | RETURN; | |
1960 | } | |
1961 | ||
1962 | PP(pp_hex) | |
1963 | { | |
1964 | dSP; dTARGET; | |
1965 | char *tmps; | |
1966 | I32 argtype; | |
1967 | ||
1968 | if (MAXARG < 1) | |
1969 | tmps = SvPVnx(GvSV(defgv)); | |
1970 | else | |
1971 | tmps = POPp; | |
1972 | XPUSHi( scan_hex(tmps, 99, &argtype) ); | |
1973 | RETURN; | |
1974 | } | |
1975 | ||
1976 | PP(pp_oct) | |
1977 | { | |
1978 | dSP; dTARGET; | |
1979 | I32 value; | |
1980 | I32 argtype; | |
1981 | char *tmps; | |
1982 | ||
1983 | if (MAXARG < 1) | |
1984 | tmps = SvPVnx(GvSV(defgv)); | |
1985 | else | |
1986 | tmps = POPp; | |
1987 | while (*tmps && (isSPACE(*tmps) || *tmps == '0')) | |
1988 | tmps++; | |
1989 | if (*tmps == 'x') | |
1990 | value = (I32)scan_hex(++tmps, 99, &argtype); | |
1991 | else | |
1992 | value = (I32)scan_oct(tmps, 99, &argtype); | |
1993 | XPUSHi(value); | |
1994 | RETURN; | |
1995 | } | |
1996 | ||
1997 | /* String stuff. */ | |
1998 | ||
1999 | PP(pp_length) | |
2000 | { | |
2001 | dSP; dTARGET; | |
2002 | if (MAXARG < 1) { | |
2003 | XPUSHi( sv_len(GvSV(defgv)) ); | |
2004 | } | |
2005 | else | |
2006 | SETi( sv_len(TOPs) ); | |
2007 | RETURN; | |
2008 | } | |
2009 | ||
2010 | PP(pp_substr) | |
2011 | { | |
2012 | dSP; dTARGET; | |
2013 | SV *sv; | |
2014 | I32 len; | |
2015 | I32 curlen; | |
2016 | I32 pos; | |
2017 | I32 rem; | |
2018 | I32 lvalue = op->op_flags & OPf_LVAL; | |
2019 | char *tmps; | |
2020 | ||
2021 | if (MAXARG > 2) | |
2022 | len = POPi; | |
2023 | pos = POPi - arybase; | |
2024 | sv = POPs; | |
2025 | tmps = SvPVn(sv); /* force conversion to string */ | |
2026 | curlen = SvCUR(sv); | |
2027 | if (pos < 0) | |
2028 | pos += curlen + arybase; | |
2029 | if (pos < 0 || pos > curlen) | |
2030 | sv_setpvn(TARG, "", 0); | |
2031 | else { | |
2032 | if (MAXARG < 3) | |
2033 | len = curlen; | |
2034 | if (len < 0) | |
2035 | len = 0; | |
2036 | tmps += pos; | |
2037 | rem = curlen - pos; /* rem=how many bytes left*/ | |
2038 | if (rem > len) | |
2039 | rem = len; | |
2040 | sv_setpvn(TARG, tmps, rem); | |
2041 | if (lvalue) { /* it's an lvalue! */ | |
2042 | LvTYPE(TARG) = 's'; | |
2043 | LvTARG(TARG) = sv; | |
2044 | LvTARGOFF(TARG) = tmps - SvPVn(sv); | |
2045 | LvTARGLEN(TARG) = rem; | |
2046 | } | |
2047 | } | |
2048 | PUSHs(TARG); /* avoid SvSETMAGIC here */ | |
2049 | RETURN; | |
2050 | } | |
2051 | ||
2052 | PP(pp_vec) | |
2053 | { | |
2054 | dSP; dTARGET; | |
2055 | register I32 size = POPi; | |
2056 | register I32 offset = POPi; | |
2057 | register SV *src = POPs; | |
2058 | I32 lvalue = op->op_flags & OPf_LVAL; | |
2059 | unsigned char *s = (unsigned char*)SvPVn(src); | |
2060 | unsigned long retnum; | |
2061 | I32 len; | |
2062 | ||
2063 | offset *= size; /* turn into bit offset */ | |
2064 | len = (offset + size + 7) / 8; | |
2065 | if (offset < 0 || size < 1) | |
2066 | retnum = 0; | |
2067 | else if (!lvalue && len > SvCUR(src)) | |
2068 | retnum = 0; | |
2069 | else { | |
2070 | if (len > SvCUR(src)) { | |
2071 | SvGROW(src, len); | |
2072 | (void)memzero(SvPV(src) + SvCUR(src), len - SvCUR(src)); | |
2073 | SvCUR_set(src, len); | |
2074 | } | |
2075 | s = (unsigned char*)SvPVn(src); | |
2076 | if (size < 8) | |
2077 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); | |
2078 | else { | |
2079 | offset >>= 3; | |
2080 | if (size == 8) | |
2081 | retnum = s[offset]; | |
2082 | else if (size == 16) | |
2083 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; | |
2084 | else if (size == 32) | |
2085 | retnum = ((unsigned long) s[offset] << 24) + | |
2086 | ((unsigned long) s[offset + 1] << 16) + | |
2087 | (s[offset + 2] << 8) + s[offset+3]; | |
2088 | } | |
2089 | ||
2090 | if (lvalue) { /* it's an lvalue! */ | |
2091 | LvTYPE(TARG) = 'v'; | |
2092 | LvTARG(TARG) = src; | |
2093 | LvTARGOFF(TARG) = offset; | |
2094 | LvTARGLEN(TARG) = size; | |
2095 | } | |
2096 | } | |
2097 | ||
2098 | sv_setiv(TARG, (I32)retnum); | |
2099 | PUSHs(TARG); | |
2100 | RETURN; | |
2101 | } | |
2102 | ||
2103 | PP(pp_index) | |
2104 | { | |
2105 | dSP; dTARGET; | |
2106 | SV *big; | |
2107 | SV *little; | |
2108 | I32 offset; | |
2109 | I32 retval; | |
2110 | char *tmps; | |
2111 | char *tmps2; | |
2112 | ||
2113 | if (MAXARG < 3) | |
2114 | offset = 0; | |
2115 | else | |
2116 | offset = POPi - arybase; | |
2117 | little = POPs; | |
2118 | big = POPs; | |
2119 | tmps = SvPVn(big); | |
2120 | if (offset < 0) | |
2121 | offset = 0; | |
2122 | else if (offset > SvCUR(big)) | |
2123 | offset = SvCUR(big); | |
2124 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, | |
2125 | (unsigned char*)tmps + SvCUR(big), little))) | |
2126 | retval = -1 + arybase; | |
2127 | else | |
2128 | retval = tmps2 - tmps + arybase; | |
2129 | PUSHi(retval); | |
2130 | RETURN; | |
2131 | } | |
2132 | ||
2133 | PP(pp_rindex) | |
2134 | { | |
2135 | dSP; dTARGET; | |
2136 | SV *big; | |
2137 | SV *little; | |
2138 | SV *offstr; | |
2139 | I32 offset; | |
2140 | I32 retval; | |
2141 | char *tmps; | |
2142 | char *tmps2; | |
2143 | ||
2144 | if (MAXARG == 3) | |
2145 | offstr = POPs; | |
2146 | little = POPs; | |
2147 | big = POPs; | |
2148 | tmps2 = SvPVn(little); | |
2149 | tmps = SvPVn(big); | |
2150 | if (MAXARG < 3) | |
2151 | offset = SvCUR(big); | |
2152 | else | |
2153 | offset = SvIVn(offstr) - arybase + SvCUR(little); | |
2154 | if (offset < 0) | |
2155 | offset = 0; | |
2156 | else if (offset > SvCUR(big)) | |
2157 | offset = SvCUR(big); | |
2158 | if (!(tmps2 = rninstr(tmps, tmps + offset, | |
2159 | tmps2, tmps2 + SvCUR(little)))) | |
2160 | retval = -1 + arybase; | |
2161 | else | |
2162 | retval = tmps2 - tmps + arybase; | |
2163 | PUSHi(retval); | |
2164 | RETURN; | |
2165 | } | |
2166 | ||
2167 | PP(pp_sprintf) | |
2168 | { | |
2169 | dSP; dMARK; dORIGMARK; dTARGET; | |
2170 | do_sprintf(TARG, SP-MARK, MARK+1); | |
2171 | SP = ORIGMARK; | |
2172 | PUSHTARG; | |
2173 | RETURN; | |
2174 | } | |
2175 | ||
2176 | static void | |
2177 | doparseform(sv) | |
2178 | SV *sv; | |
2179 | { | |
2180 | register char *s = SvPVn(sv); | |
2181 | register char *send = s + SvCUR(sv); | |
2182 | register char *base; | |
2183 | register I32 skipspaces = 0; | |
2184 | bool noblank; | |
2185 | bool repeat; | |
2186 | bool postspace = FALSE; | |
2187 | U16 *fops; | |
2188 | register U16 *fpc; | |
2189 | U16 *linepc; | |
2190 | register I32 arg; | |
2191 | bool ischop; | |
2192 | ||
2193 | New(804, fops, send - s, U16); /* Almost certainly too long... */ | |
2194 | fpc = fops; | |
2195 | ||
2196 | if (s < send) { | |
2197 | linepc = fpc; | |
2198 | *fpc++ = FF_LINEMARK; | |
2199 | noblank = repeat = FALSE; | |
2200 | base = s; | |
2201 | } | |
2202 | ||
2203 | while (s <= send) { | |
2204 | switch (*s++) { | |
2205 | default: | |
2206 | skipspaces = 0; | |
2207 | continue; | |
2208 | ||
2209 | case '~': | |
2210 | if (*s == '~') { | |
2211 | repeat = TRUE; | |
2212 | *s = ' '; | |
2213 | } | |
2214 | noblank = TRUE; | |
2215 | s[-1] = ' '; | |
2216 | /* FALL THROUGH */ | |
2217 | case ' ': case '\t': | |
2218 | skipspaces++; | |
2219 | continue; | |
2220 | ||
2221 | case '\n': case 0: | |
2222 | arg = s - base; | |
2223 | skipspaces++; | |
2224 | arg -= skipspaces; | |
2225 | if (arg) { | |
2226 | if (postspace) { | |
2227 | *fpc++ = FF_SPACE; | |
2228 | postspace = FALSE; | |
2229 | } | |
2230 | *fpc++ = FF_LITERAL; | |
2231 | *fpc++ = arg; | |
2232 | } | |
2233 | if (s <= send) | |
2234 | skipspaces--; | |
2235 | if (skipspaces) { | |
2236 | *fpc++ = FF_SKIP; | |
2237 | *fpc++ = skipspaces; | |
2238 | } | |
2239 | skipspaces = 0; | |
2240 | if (s <= send) | |
2241 | *fpc++ = FF_NEWLINE; | |
2242 | if (noblank) { | |
2243 | *fpc++ = FF_BLANK; | |
2244 | if (repeat) | |
2245 | arg = fpc - linepc + 1; | |
2246 | else | |
2247 | arg = 0; | |
2248 | *fpc++ = arg; | |
2249 | } | |
2250 | if (s < send) { | |
2251 | linepc = fpc; | |
2252 | *fpc++ = FF_LINEMARK; | |
2253 | noblank = repeat = FALSE; | |
2254 | base = s; | |
2255 | } | |
2256 | else | |
2257 | s++; | |
2258 | continue; | |
2259 | ||
2260 | case '@': | |
2261 | case '^': | |
2262 | ischop = s[-1] == '^'; | |
2263 | ||
2264 | if (postspace) { | |
2265 | *fpc++ = FF_SPACE; | |
2266 | postspace = FALSE; | |
2267 | } | |
2268 | arg = (s - base) - 1; | |
2269 | if (arg) { | |
2270 | *fpc++ = FF_LITERAL; | |
2271 | *fpc++ = arg; | |
2272 | } | |
2273 | ||
2274 | base = s - 1; | |
2275 | *fpc++ = FF_FETCH; | |
2276 | if (*s == '*') { | |
2277 | s++; | |
2278 | *fpc++ = 0; | |
2279 | *fpc++ = FF_LINEGLOB; | |
2280 | } | |
2281 | else if (*s == '#' || (*s == '.' && s[1] == '#')) { | |
2282 | arg = ischop ? 512 : 0; | |
2283 | base = s - 1; | |
2284 | while (*s == '#') | |
2285 | s++; | |
2286 | if (*s == '.') { | |
2287 | char *f; | |
2288 | s++; | |
2289 | f = s; | |
2290 | while (*s == '#') | |
2291 | s++; | |
2292 | arg |= 256 + (s - f); | |
2293 | } | |
2294 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
2295 | *fpc++ = FF_DECIMAL; | |
2296 | *fpc++ = arg; | |
2297 | } | |
2298 | else { | |
2299 | I32 prespace = 0; | |
2300 | bool ismore = FALSE; | |
2301 | ||
2302 | if (*s == '>') { | |
2303 | while (*++s == '>') ; | |
2304 | prespace = FF_SPACE; | |
2305 | } | |
2306 | else if (*s == '|') { | |
2307 | while (*++s == '|') ; | |
2308 | prespace = FF_HALFSPACE; | |
2309 | postspace = TRUE; | |
2310 | } | |
2311 | else { | |
2312 | if (*s == '<') | |
2313 | while (*++s == '<') ; | |
2314 | postspace = TRUE; | |
2315 | } | |
2316 | if (*s == '.' && s[1] == '.' && s[2] == '.') { | |
2317 | s += 3; | |
2318 | ismore = TRUE; | |
2319 | } | |
2320 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
2321 | ||
2322 | *fpc++ = ischop ? FF_CHECKCHOP : FF_CHECKNL; | |
2323 | ||
2324 | if (prespace) | |
2325 | *fpc++ = prespace; | |
2326 | *fpc++ = FF_ITEM; | |
2327 | if (ismore) | |
2328 | *fpc++ = FF_MORE; | |
2329 | if (ischop) | |
2330 | *fpc++ = FF_CHOP; | |
2331 | } | |
2332 | base = s; | |
2333 | skipspaces = 0; | |
2334 | continue; | |
2335 | } | |
2336 | } | |
2337 | *fpc++ = FF_END; | |
2338 | ||
2339 | arg = fpc - fops; | |
2340 | SvGROW(sv, SvCUR(sv) + arg * sizeof(U16) + 4); | |
2341 | ||
2342 | s = SvPV(sv) + SvCUR(sv); | |
2343 | s += 2 + (SvCUR(sv) & 1); | |
2344 | ||
2345 | Copy(fops, s, arg, U16); | |
2346 | Safefree(fops); | |
2347 | } | |
2348 | ||
2349 | PP(pp_formline) | |
2350 | { | |
2351 | dSP; dMARK; dORIGMARK; | |
2352 | register SV *form = *++MARK; | |
2353 | register U16 *fpc; | |
2354 | register char *t; | |
2355 | register char *f; | |
2356 | register char *s; | |
2357 | register char *send; | |
2358 | register I32 arg; | |
2359 | register SV *sv; | |
2360 | I32 itemsize; | |
2361 | I32 fieldsize; | |
2362 | I32 lines = 0; | |
2363 | bool chopspace = (index(chopset, ' ') != Nullch); | |
2364 | char *chophere; | |
2365 | char *linemark; | |
2366 | char *formmark; | |
2367 | SV **markmark; | |
2368 | double value; | |
2369 | bool gotsome; | |
2370 | ||
2371 | if (!SvCOMPILED(form)) | |
2372 | doparseform(form); | |
2373 | ||
2374 | SvGROW(formtarget, SvCUR(formtarget) + SvCUR(form) + 1); | |
2375 | t = SvPVn(formtarget); | |
2376 | t += SvCUR(formtarget); | |
2377 | f = SvPVn(form); | |
2378 | ||
2379 | s = f + SvCUR(form); | |
2380 | s += 2 + (SvCUR(form) & 1); | |
2381 | ||
2382 | fpc = (U16*)s; | |
2383 | ||
2384 | for (;;) { | |
2385 | DEBUG_f( { | |
2386 | char *name = "???"; | |
2387 | arg = -1; | |
2388 | switch (*fpc) { | |
2389 | case FF_LITERAL: arg = fpc[1]; name = "LITERAL"; break; | |
2390 | case FF_BLANK: arg = fpc[1]; name = "BLANK"; break; | |
2391 | case FF_SKIP: arg = fpc[1]; name = "SKIP"; break; | |
2392 | case FF_FETCH: arg = fpc[1]; name = "FETCH"; break; | |
2393 | case FF_DECIMAL: arg = fpc[1]; name = "DECIMAL"; break; | |
2394 | ||
2395 | case FF_CHECKNL: name = "CHECKNL"; break; | |
2396 | case FF_CHECKCHOP: name = "CHECKCHOP"; break; | |
2397 | case FF_SPACE: name = "SPACE"; break; | |
2398 | case FF_HALFSPACE: name = "HALFSPACE"; break; | |
2399 | case FF_ITEM: name = "ITEM"; break; | |
2400 | case FF_CHOP: name = "CHOP"; break; | |
2401 | case FF_LINEGLOB: name = "LINEGLOB"; break; | |
2402 | case FF_NEWLINE: name = "NEWLINE"; break; | |
2403 | case FF_MORE: name = "MORE"; break; | |
2404 | case FF_LINEMARK: name = "LINEMARK"; break; | |
2405 | case FF_END: name = "END"; break; | |
2406 | } | |
2407 | if (arg >= 0) | |
2408 | fprintf(stderr, "%-16s%d\n", name, arg); | |
2409 | else | |
2410 | fprintf(stderr, "%-16s\n", name); | |
2411 | } ) | |
2412 | switch (*fpc++) { | |
2413 | case FF_LINEMARK: | |
2414 | linemark = t; | |
2415 | formmark = f; | |
2416 | markmark = MARK; | |
2417 | lines++; | |
2418 | gotsome = FALSE; | |
2419 | break; | |
2420 | ||
2421 | case FF_LITERAL: | |
2422 | arg = *fpc++; | |
2423 | while (arg--) | |
2424 | *t++ = *f++; | |
2425 | break; | |
2426 | ||
2427 | case FF_SKIP: | |
2428 | f += *fpc++; | |
2429 | break; | |
2430 | ||
2431 | case FF_FETCH: | |
2432 | arg = *fpc++; | |
2433 | f += arg; | |
2434 | fieldsize = arg; | |
2435 | ||
2436 | if (MARK < SP) | |
2437 | sv = *++MARK; | |
2438 | else { | |
2439 | sv = &sv_no; | |
2440 | if (dowarn) | |
2441 | warn("Not enough format arguments"); | |
2442 | } | |
2443 | break; | |
2444 | ||
2445 | case FF_CHECKNL: | |
2446 | s = SvPVn(sv); | |
2447 | itemsize = SvCUR(sv); | |
2448 | if (itemsize > fieldsize) | |
2449 | itemsize = fieldsize; | |
2450 | send = chophere = s + itemsize; | |
2451 | while (s < send) { | |
2452 | if (*s & ~31) | |
2453 | gotsome = TRUE; | |
2454 | else if (*s == '\n') | |
2455 | break; | |
2456 | s++; | |
2457 | } | |
2458 | itemsize = s - SvPV(sv); | |
2459 | break; | |
2460 | ||
2461 | case FF_CHECKCHOP: | |
2462 | s = SvPVn(sv); | |
2463 | itemsize = SvCUR(sv); | |
2464 | if (itemsize > fieldsize) | |
2465 | itemsize = fieldsize; | |
2466 | send = chophere = s + itemsize; | |
2467 | while (s < send || (s == send && isSPACE(*s))) { | |
2468 | if (isSPACE(*s)) { | |
2469 | if (chopspace) | |
2470 | chophere = s; | |
2471 | if (*s == '\r') | |
2472 | break; | |
2473 | } | |
2474 | else { | |
2475 | if (*s & ~31) | |
2476 | gotsome = TRUE; | |
2477 | if (index(chopset, *s)) | |
2478 | chophere = s + 1; | |
2479 | } | |
2480 | s++; | |
2481 | } | |
2482 | itemsize = chophere - SvPV(sv); | |
2483 | break; | |
2484 | ||
2485 | case FF_SPACE: | |
2486 | arg = fieldsize - itemsize; | |
2487 | if (arg) { | |
2488 | fieldsize -= arg; | |
2489 | while (arg-- > 0) | |
2490 | *t++ = ' '; | |
2491 | } | |
2492 | break; | |
2493 | ||
2494 | case FF_HALFSPACE: | |
2495 | arg = fieldsize - itemsize; | |
2496 | if (arg) { | |
2497 | arg /= 2; | |
2498 | fieldsize -= arg; | |
2499 | while (arg-- > 0) | |
2500 | *t++ = ' '; | |
2501 | } | |
2502 | break; | |
2503 | ||
2504 | case FF_ITEM: | |
2505 | arg = itemsize; | |
2506 | s = SvPV(sv); | |
2507 | while (arg--) { | |
2508 | if ((*t++ = *s++) < ' ') | |
2509 | t[-1] = ' '; | |
2510 | } | |
2511 | break; | |
2512 | ||
2513 | case FF_CHOP: | |
2514 | s = chophere; | |
2515 | if (chopspace) { | |
2516 | while (*s && isSPACE(*s)) | |
2517 | s++; | |
2518 | } | |
2519 | sv_chop(sv,s); | |
2520 | break; | |
2521 | ||
2522 | case FF_LINEGLOB: | |
2523 | s = SvPVn(sv); | |
2524 | itemsize = SvCUR(sv); | |
2525 | if (itemsize) { | |
2526 | gotsome = TRUE; | |
2527 | send = s + itemsize; | |
2528 | while (s < send) { | |
2529 | if (*s++ == '\n') { | |
2530 | if (s == send) | |
2531 | itemsize--; | |
2532 | else | |
2533 | lines++; | |
2534 | } | |
2535 | } | |
2536 | SvCUR_set(formtarget, t - SvPV(formtarget)); | |
2537 | sv_catpvn(formtarget, SvPV(sv), itemsize); | |
2538 | SvGROW(formtarget, SvCUR(formtarget) + SvCUR(form) + 1); | |
2539 | t = SvPV(formtarget) + SvCUR(formtarget); | |
2540 | } | |
2541 | break; | |
2542 | ||
2543 | case FF_DECIMAL: | |
2544 | /* If the field is marked with ^ and the value is undefined, | |
2545 | blank it out. */ | |
2546 | arg = *fpc++; | |
2547 | if ((arg & 512) && !SvOK(sv)) { | |
2548 | arg = fieldsize; | |
2549 | while (arg--) | |
2550 | *t++ = ' '; | |
2551 | break; | |
2552 | } | |
2553 | gotsome = TRUE; | |
2554 | value = SvNVn(sv); | |
2555 | if (arg & 256) { | |
2556 | sprintf(t, "%#*.*f", fieldsize, arg & 255, value); | |
2557 | } else { | |
2558 | sprintf(t, "%*.0f", fieldsize, value); | |
2559 | } | |
2560 | t += fieldsize; | |
2561 | break; | |
2562 | ||
2563 | case FF_NEWLINE: | |
2564 | f++; | |
2565 | while (t-- > linemark && *t == ' ') ; | |
2566 | t++; | |
2567 | *t++ = '\n'; | |
2568 | break; | |
2569 | ||
2570 | case FF_BLANK: | |
2571 | arg = *fpc++; | |
2572 | if (gotsome) { | |
2573 | if (arg) { /* repeat until fields exhausted? */ | |
2574 | fpc -= arg; | |
2575 | f = formmark; | |
2576 | MARK = markmark; | |
2577 | if (lines == 200) { | |
2578 | arg = t - linemark; | |
2579 | if (strnEQ(linemark, linemark - t, arg)) | |
2580 | DIE("Runaway format"); | |
2581 | } | |
2582 | arg = t - SvPV(formtarget); | |
2583 | SvGROW(formtarget, | |
2584 | (t - SvPV(formtarget)) + (f - formmark) + 1); | |
2585 | t = SvPV(formtarget) + arg; | |
2586 | } | |
2587 | } | |
2588 | else { | |
2589 | t = linemark; | |
2590 | lines--; | |
2591 | } | |
2592 | break; | |
2593 | ||
2594 | case FF_MORE: | |
2595 | if (SvCUR(sv)) { | |
2596 | arg = fieldsize - itemsize; | |
2597 | if (arg) { | |
2598 | fieldsize -= arg; | |
2599 | while (arg-- > 0) | |
2600 | *t++ = ' '; | |
2601 | } | |
2602 | s = t - 3; | |
2603 | if (strnEQ(s," ",3)) { | |
2604 | while (s > SvPV(formtarget) && isSPACE(s[-1])) | |
2605 | s--; | |
2606 | } | |
2607 | *s++ = '.'; | |
2608 | *s++ = '.'; | |
2609 | *s++ = '.'; | |
2610 | } | |
2611 | break; | |
2612 | ||
2613 | case FF_END: | |
2614 | *t = '\0'; | |
2615 | SvCUR_set(formtarget, t - SvPV(formtarget)); | |
2616 | FmLINES(formtarget) += lines; | |
2617 | SP = ORIGMARK; | |
2618 | RETPUSHYES; | |
2619 | } | |
2620 | } | |
2621 | } | |
2622 | ||
2623 | PP(pp_ord) | |
2624 | { | |
2625 | dSP; dTARGET; | |
2626 | I32 value; | |
2627 | char *tmps; | |
2628 | I32 anum; | |
2629 | ||
2630 | if (MAXARG < 1) | |
2631 | tmps = SvPVnx(GvSV(defgv)); | |
2632 | else | |
2633 | tmps = POPp; | |
2634 | #ifndef I286 | |
2635 | value = (I32) (*tmps & 255); | |
2636 | #else | |
2637 | anum = (I32) *tmps; | |
2638 | value = (I32) (anum & 255); | |
2639 | #endif | |
2640 | XPUSHi(value); | |
2641 | RETURN; | |
2642 | } | |
2643 | ||
2644 | PP(pp_crypt) | |
2645 | { | |
2646 | dSP; dTARGET; dPOPTOPssrl; | |
2647 | #ifdef HAS_CRYPT | |
2648 | char *tmps = SvPVn(lstr); | |
2649 | #ifdef FCRYPT | |
2650 | sv_setpv(TARG, fcrypt(tmps, SvPVn(rstr))); | |
2651 | #else | |
2652 | sv_setpv(TARG, crypt(tmps, SvPVn(rstr))); | |
2653 | #endif | |
2654 | #else | |
2655 | DIE( | |
2656 | "The crypt() function is unimplemented due to excessive paranoia."); | |
2657 | #endif | |
2658 | SETs(TARG); | |
2659 | RETURN; | |
2660 | } | |
2661 | ||
2662 | PP(pp_ucfirst) | |
2663 | { | |
2664 | dSP; | |
2665 | SV *sv = TOPs; | |
2666 | register char *s; | |
2667 | ||
2668 | if (SvSTORAGE(sv) != 'T') { | |
2669 | dTARGET; | |
2670 | sv_setsv(TARG, sv); | |
2671 | sv = TARG; | |
2672 | SETs(sv); | |
2673 | } | |
2674 | s = SvPVn(sv); | |
2675 | if (isascii(*s) && islower(*s)) | |
2676 | *s = toupper(*s); | |
2677 | ||
2678 | RETURN; | |
2679 | } | |
2680 | ||
2681 | PP(pp_lcfirst) | |
2682 | { | |
2683 | dSP; | |
2684 | SV *sv = TOPs; | |
2685 | register char *s; | |
2686 | ||
2687 | if (SvSTORAGE(sv) != 'T') { | |
2688 | dTARGET; | |
2689 | sv_setsv(TARG, sv); | |
2690 | sv = TARG; | |
2691 | SETs(sv); | |
2692 | } | |
2693 | s = SvPVn(sv); | |
2694 | if (isascii(*s) && isupper(*s)) | |
2695 | *s = tolower(*s); | |
2696 | ||
2697 | SETs(sv); | |
2698 | RETURN; | |
2699 | } | |
2700 | ||
2701 | PP(pp_uc) | |
2702 | { | |
2703 | dSP; | |
2704 | SV *sv = TOPs; | |
2705 | register char *s; | |
2706 | register char *send; | |
2707 | ||
2708 | if (SvSTORAGE(sv) != 'T') { | |
2709 | dTARGET; | |
2710 | sv_setsv(TARG, sv); | |
2711 | sv = TARG; | |
2712 | SETs(sv); | |
2713 | } | |
2714 | s = SvPVn(sv); | |
2715 | send = s + SvCUR(sv); | |
2716 | while (s < send) { | |
2717 | if (isascii(*s) && islower(*s)) | |
2718 | *s = toupper(*s); | |
2719 | s++; | |
2720 | } | |
2721 | RETURN; | |
2722 | } | |
2723 | ||
2724 | PP(pp_lc) | |
2725 | { | |
2726 | dSP; | |
2727 | SV *sv = TOPs; | |
2728 | register char *s; | |
2729 | register char *send; | |
2730 | ||
2731 | if (SvSTORAGE(sv) != 'T') { | |
2732 | dTARGET; | |
2733 | sv_setsv(TARG, sv); | |
2734 | sv = TARG; | |
2735 | SETs(sv); | |
2736 | } | |
2737 | s = SvPVn(sv); | |
2738 | send = s + SvCUR(sv); | |
2739 | while (s < send) { | |
2740 | if (isascii(*s) && isupper(*s)) | |
2741 | *s = tolower(*s); | |
2742 | s++; | |
2743 | } | |
2744 | RETURN; | |
2745 | } | |
2746 | ||
2747 | /* Arrays. */ | |
2748 | ||
2749 | PP(pp_rv2av) | |
2750 | { | |
2751 | dSP; dPOPss; | |
2752 | ||
2753 | AV *av; | |
2754 | ||
2755 | if (SvTYPE(sv) == SVt_REF) { | |
2756 | av = (AV*)SvANY(sv); | |
2757 | if (SvTYPE(av) != SVt_PVAV) | |
2758 | DIE("Not an array reference"); | |
2759 | if (op->op_flags & OPf_LVAL) { | |
2760 | if (op->op_flags & OPf_LOCAL) | |
2761 | av = (AV*)save_svref(sv); | |
2762 | PUSHs((SV*)av); | |
2763 | RETURN; | |
2764 | } | |
2765 | } | |
2766 | else { | |
2767 | if (SvTYPE(sv) != SVt_PVGV) | |
2768 | sv = (SV*)gv_fetchpv(SvPVn(sv), TRUE); | |
2769 | av = GvAVn(sv); | |
2770 | if (op->op_flags & OPf_LVAL) { | |
2771 | if (op->op_flags & OPf_LOCAL) | |
2772 | av = save_ary(sv); | |
2773 | PUSHs((SV*)av); | |
2774 | RETURN; | |
2775 | } | |
2776 | } | |
2777 | ||
2778 | if (GIMME == G_ARRAY) { | |
2779 | I32 maxarg = AvFILL(av) + 1; | |
2780 | EXTEND(SP, maxarg); | |
2781 | Copy(AvARRAY(av), SP+1, maxarg, SV*); | |
2782 | SP += maxarg; | |
2783 | } | |
2784 | else { | |
2785 | dTARGET; | |
2786 | I32 maxarg = AvFILL(av) + 1; | |
2787 | PUSHi(maxarg); | |
2788 | } | |
2789 | RETURN; | |
2790 | } | |
2791 | ||
2792 | PP(pp_aelemfast) | |
2793 | { | |
2794 | dSP; | |
2795 | AV *av = (AV*)cSVOP->op_sv; | |
2796 | SV** svp = av_fetch(av, op->op_private - arybase, FALSE); | |
2797 | PUSHs(svp ? *svp : &sv_undef); | |
2798 | RETURN; | |
2799 | } | |
2800 | ||
2801 | PP(pp_aelem) | |
2802 | { | |
2803 | dSP; | |
2804 | SV** svp; | |
2805 | I32 elem = POPi - arybase; | |
2806 | AV *av = (AV*)POPs; | |
2807 | ||
2808 | if (op->op_flags & OPf_LVAL) { | |
2809 | svp = av_fetch(av, elem, TRUE); | |
2810 | if (!svp || *svp == &sv_undef) | |
2811 | DIE("Assignment to non-creatable value, subscript %d", elem); | |
2812 | if (op->op_flags & OPf_LOCAL) | |
2813 | save_svref(svp); | |
2814 | else if (!SvOK(*svp)) { | |
2815 | if (op->op_private == OP_RV2HV) { | |
2816 | sv_free(*svp); | |
2817 | *svp = (SV*)newHV(COEFFSIZE); | |
2818 | } | |
2819 | else if (op->op_private == OP_RV2AV) { | |
2820 | sv_free(*svp); | |
2821 | *svp = (SV*)newAV(); | |
2822 | } | |
2823 | } | |
2824 | } | |
2825 | else | |
2826 | svp = av_fetch(av, elem, FALSE); | |
2827 | PUSHs(svp ? *svp : &sv_undef); | |
2828 | RETURN; | |
2829 | } | |
2830 | ||
2831 | PP(pp_aslice) | |
2832 | { | |
2833 | dSP; dMARK; dORIGMARK; | |
2834 | register SV** svp; | |
2835 | register AV* av = (AV*)POPs; | |
2836 | register I32 lval = op->op_flags & OPf_LVAL; | |
2837 | I32 is_something_there = lval; | |
2838 | ||
2839 | while (++MARK <= SP) { | |
2840 | I32 elem = SvIVnx(*MARK); | |
2841 | ||
2842 | if (lval) { | |
2843 | svp = av_fetch(av, elem, TRUE); | |
2844 | if (!svp || *svp == &sv_undef) | |
2845 | DIE("Assignment to non-creatable value, subscript \"%d\"",elem); | |
2846 | if (op->op_flags & OPf_LOCAL) | |
2847 | save_svref(svp); | |
2848 | } | |
2849 | else { | |
2850 | svp = av_fetch(av, elem, FALSE); | |
2851 | if (!is_something_there && svp && SvOK(*svp)) | |
2852 | is_something_there = TRUE; | |
2853 | } | |
2854 | *MARK = svp ? *svp : &sv_undef; | |
2855 | } | |
2856 | if (!is_something_there) | |
2857 | SP = ORIGMARK; | |
2858 | RETURN; | |
2859 | } | |
2860 | ||
2861 | /* Associative arrays. */ | |
2862 | ||
2863 | PP(pp_each) | |
2864 | { | |
2865 | dSP; dTARGET; | |
2866 | HV *hash = (HV*)POPs; | |
2867 | HE *entry = hv_iternext(hash); | |
2868 | I32 i; | |
2869 | char *tmps; | |
2870 | ||
2871 | if (mystrk) { | |
2872 | sv_free(mystrk); | |
2873 | mystrk = Nullsv; | |
2874 | } | |
2875 | ||
2876 | EXTEND(SP, 2); | |
2877 | if (entry) { | |
2878 | if (GIMME == G_ARRAY) { | |
2879 | tmps = hv_iterkey(entry, &i); | |
2880 | if (!i) | |
2881 | tmps = ""; | |
2882 | mystrk = newSVpv(tmps, i); | |
2883 | PUSHs(mystrk); | |
2884 | } | |
2885 | sv_setsv(TARG, hv_iterval(hash, entry)); | |
2886 | PUSHs(TARG); | |
2887 | } | |
2888 | else if (GIMME == G_SCALAR) | |
2889 | RETPUSHUNDEF; | |
2890 | ||
2891 | RETURN; | |
2892 | } | |
2893 | ||
2894 | PP(pp_values) | |
2895 | { | |
2896 | return do_kv(ARGS); | |
2897 | } | |
2898 | ||
2899 | PP(pp_keys) | |
2900 | { | |
2901 | return do_kv(ARGS); | |
2902 | } | |
2903 | ||
2904 | PP(pp_delete) | |
2905 | { | |
2906 | dSP; | |
2907 | SV *sv; | |
2908 | SV *tmpsv = POPs; | |
2909 | HV *hv = (HV*)POPs; | |
2910 | char *tmps; | |
2911 | if (!hv) { | |
2912 | DIE("Not an associative array reference"); | |
2913 | } | |
2914 | tmps = SvPVn(tmpsv); | |
2915 | sv = hv_delete(hv, tmps, SvCUR(tmpsv)); | |
2916 | if (!sv) | |
2917 | RETPUSHUNDEF; | |
2918 | PUSHs(sv); | |
2919 | RETURN; | |
2920 | } | |
2921 | ||
2922 | PP(pp_rv2hv) | |
2923 | { | |
2924 | ||
2925 | dSP; dTOPss; | |
2926 | ||
2927 | HV *hv; | |
2928 | ||
2929 | if (SvTYPE(sv) == SVt_REF) { | |
2930 | hv = (HV*)SvANY(sv); | |
2931 | if (SvTYPE(hv) != SVt_PVHV) | |
2932 | DIE("Not an associative array reference"); | |
2933 | if (op->op_flags & OPf_LVAL) { | |
2934 | if (op->op_flags & OPf_LOCAL) | |
2935 | hv = (HV*)save_svref(sv); | |
2936 | SETs((SV*)hv); | |
2937 | RETURN; | |
2938 | } | |
2939 | } | |
2940 | else { | |
2941 | if (SvTYPE(sv) != SVt_PVGV) | |
2942 | sv = (SV*)gv_fetchpv(SvPVn(sv), TRUE); | |
2943 | hv = GvHVn(sv); | |
2944 | if (op->op_flags & OPf_LVAL) { | |
2945 | if (op->op_flags & OPf_LOCAL) | |
2946 | hv = save_hash(sv); | |
2947 | SETs((SV*)hv); | |
2948 | RETURN; | |
2949 | } | |
2950 | } | |
2951 | ||
2952 | if (GIMME == G_ARRAY) { /* array wanted */ | |
2953 | *stack_sp = (SV*)hv; | |
2954 | return do_kv(ARGS); | |
2955 | } | |
2956 | else { | |
2957 | dTARGET; | |
2958 | if (HvFILL(hv)) | |
2959 | sv_setiv(TARG, 0); | |
2960 | else { | |
2961 | sprintf(buf, "%d/%d", HvFILL(hv), | |
2962 | HvFILL(hv)+1); | |
2963 | sv_setpv(TARG, buf); | |
2964 | } | |
2965 | SETTARG; | |
2966 | RETURN; | |
2967 | } | |
2968 | } | |
2969 | ||
2970 | PP(pp_helem) | |
2971 | { | |
2972 | dSP; | |
2973 | SV** svp; | |
2974 | SV *keysv = POPs; | |
2975 | char *key = SvPVn(keysv); | |
2976 | I32 keylen = SvPOK(keysv) ? SvCUR(keysv) : 0; | |
2977 | HV *hv = (HV*)POPs; | |
2978 | ||
2979 | if (op->op_flags & OPf_LVAL) { | |
2980 | svp = hv_fetch(hv, key, keylen, TRUE); | |
2981 | if (!svp || *svp == &sv_undef) | |
2982 | DIE("Assignment to non-creatable value, subscript \"%s\"", key); | |
2983 | if (op->op_flags & OPf_LOCAL) | |
2984 | save_svref(svp); | |
2985 | else if (!SvOK(*svp)) { | |
2986 | if (op->op_private == OP_RV2HV) { | |
2987 | sv_free(*svp); | |
2988 | *svp = (SV*)newHV(COEFFSIZE); | |
2989 | } | |
2990 | else if (op->op_private == OP_RV2AV) { | |
2991 | sv_free(*svp); | |
2992 | *svp = (SV*)newAV(); | |
2993 | } | |
2994 | } | |
2995 | } | |
2996 | else | |
2997 | svp = hv_fetch(hv, key, keylen, FALSE); | |
2998 | PUSHs(svp ? *svp : &sv_undef); | |
2999 | RETURN; | |
3000 | } | |
3001 | ||
3002 | PP(pp_hslice) | |
3003 | { | |
3004 | dSP; dMARK; dORIGMARK; | |
3005 | register SV **svp; | |
3006 | register HV *hv = (HV*)POPs; | |
3007 | register I32 lval = op->op_flags & OPf_LVAL; | |
3008 | I32 is_something_there = lval; | |
3009 | ||
3010 | while (++MARK <= SP) { | |
3011 | char *key = SvPVnx(*MARK); | |
3012 | I32 keylen = SvPOK(*MARK) ? SvCUR(*MARK) : 0; | |
3013 | ||
3014 | if (lval) { | |
3015 | svp = hv_fetch(hv, key, keylen, TRUE); | |
3016 | if (!svp || *svp == &sv_undef) | |
3017 | DIE("Assignment to non-creatable value, subscript \"%s\"", key); | |
3018 | if (op->op_flags & OPf_LOCAL) | |
3019 | save_svref(svp); | |
3020 | } | |
3021 | else { | |
3022 | svp = hv_fetch(hv, key, keylen, FALSE); | |
3023 | if (!is_something_there && svp && SvOK(*svp)) | |
3024 | is_something_there = TRUE; | |
3025 | } | |
3026 | *MARK = svp ? *svp : &sv_undef; | |
3027 | } | |
3028 | if (!is_something_there) | |
3029 | SP = ORIGMARK; | |
3030 | RETURN; | |
3031 | } | |
3032 | ||
3033 | /* Explosives and implosives. */ | |
3034 | ||
3035 | PP(pp_unpack) | |
3036 | { | |
3037 | dSP; | |
3038 | dPOPPOPssrl; | |
3039 | SV *sv; | |
3040 | register char *pat = SvPVn(lstr); | |
3041 | register char *s = SvPVn(rstr); | |
3042 | char *strend = s + SvCUR(rstr); | |
3043 | char *strbeg = s; | |
3044 | register char *patend = pat + SvCUR(lstr); | |
3045 | I32 datumtype; | |
3046 | register I32 len; | |
3047 | register I32 bits; | |
3048 | ||
3049 | /* These must not be in registers: */ | |
3050 | I16 ashort; | |
3051 | int aint; | |
3052 | I32 along; | |
3053 | #ifdef QUAD | |
3054 | quad aquad; | |
3055 | #endif | |
3056 | U16 aushort; | |
3057 | unsigned int auint; | |
3058 | U32 aulong; | |
3059 | #ifdef QUAD | |
3060 | unsigned quad auquad; | |
3061 | #endif | |
3062 | char *aptr; | |
3063 | float afloat; | |
3064 | double adouble; | |
3065 | I32 checksum = 0; | |
3066 | register U32 culong; | |
3067 | double cdouble; | |
3068 | static char* bitcount = 0; | |
3069 | ||
3070 | if (GIMME != G_ARRAY) { /* arrange to do first one only */ | |
3071 | /*SUPPRESS 530*/ | |
3072 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; | |
3073 | if (index("aAbBhH", *patend) || *pat == '%') { | |
3074 | patend++; | |
3075 | while (isDIGIT(*patend) || *patend == '*') | |
3076 | patend++; | |
3077 | } | |
3078 | else | |
3079 | patend++; | |
3080 | } | |
3081 | while (pat < patend) { | |
3082 | reparse: | |
3083 | datumtype = *pat++; | |
3084 | if (pat >= patend) | |
3085 | len = 1; | |
3086 | else if (*pat == '*') { | |
3087 | len = strend - strbeg; /* long enough */ | |
3088 | pat++; | |
3089 | } | |
3090 | else if (isDIGIT(*pat)) { | |
3091 | len = *pat++ - '0'; | |
3092 | while (isDIGIT(*pat)) | |
3093 | len = (len * 10) + (*pat++ - '0'); | |
3094 | } | |
3095 | else | |
3096 | len = (datumtype != '@'); | |
3097 | switch(datumtype) { | |
3098 | default: | |
3099 | break; | |
3100 | case '%': | |
3101 | if (len == 1 && pat[-1] != '1') | |
3102 | len = 16; | |
3103 | checksum = len; | |
3104 | culong = 0; | |
3105 | cdouble = 0; | |
3106 | if (pat < patend) | |
3107 | goto reparse; | |
3108 | break; | |
3109 | case '@': | |
3110 | if (len > strend - strbeg) | |
3111 | DIE("@ outside of string"); | |
3112 | s = strbeg + len; | |
3113 | break; | |
3114 | case 'X': | |
3115 | if (len > s - strbeg) | |
3116 | DIE("X outside of string"); | |
3117 | s -= len; | |
3118 | break; | |
3119 | case 'x': | |
3120 | if (len > strend - s) | |
3121 | DIE("x outside of string"); | |
3122 | s += len; | |
3123 | break; | |
3124 | case 'A': | |
3125 | case 'a': | |
3126 | if (len > strend - s) | |
3127 | len = strend - s; | |
3128 | if (checksum) | |
3129 | goto uchar_checksum; | |
3130 | sv = NEWSV(35, len); | |
3131 | sv_setpvn(sv, s, len); | |
3132 | s += len; | |
3133 | if (datumtype == 'A') { | |
3134 | aptr = s; /* borrow register */ | |
3135 | s = SvPV(sv) + len - 1; | |
3136 | while (s >= SvPV(sv) && (!*s || isSPACE(*s))) | |
3137 | s--; | |
3138 | *++s = '\0'; | |
3139 | SvCUR_set(sv, s - SvPV(sv)); | |
3140 | s = aptr; /* unborrow register */ | |
3141 | } | |
3142 | XPUSHs(sv_2mortal(sv)); | |
3143 | break; | |
3144 | case 'B': | |
3145 | case 'b': | |
3146 | if (pat[-1] == '*' || len > (strend - s) * 8) | |
3147 | len = (strend - s) * 8; | |
3148 | if (checksum) { | |
3149 | if (!bitcount) { | |
3150 | Newz(601, bitcount, 256, char); | |
3151 | for (bits = 1; bits < 256; bits++) { | |
3152 | if (bits & 1) bitcount[bits]++; | |
3153 | if (bits & 2) bitcount[bits]++; | |
3154 | if (bits & 4) bitcount[bits]++; | |
3155 | if (bits & 8) bitcount[bits]++; | |
3156 | if (bits & 16) bitcount[bits]++; | |
3157 | if (bits & 32) bitcount[bits]++; | |
3158 | if (bits & 64) bitcount[bits]++; | |
3159 | if (bits & 128) bitcount[bits]++; | |
3160 | } | |
3161 | } | |
3162 | while (len >= 8) { | |
3163 | culong += bitcount[*(unsigned char*)s++]; | |
3164 | len -= 8; | |
3165 | } | |
3166 | if (len) { | |
3167 | bits = *s; | |
3168 | if (datumtype == 'b') { | |
3169 | while (len-- > 0) { | |
3170 | if (bits & 1) culong++; | |
3171 | bits >>= 1; | |
3172 | } | |
3173 | } | |
3174 | else { | |
3175 | while (len-- > 0) { | |
3176 | if (bits & 128) culong++; | |
3177 | bits <<= 1; | |
3178 | } | |
3179 | } | |
3180 | } | |
3181 | break; | |
3182 | } | |
3183 | sv = NEWSV(35, len + 1); | |
3184 | SvCUR_set(sv, len); | |
3185 | SvPOK_on(sv); | |
3186 | aptr = pat; /* borrow register */ | |
3187 | pat = SvPV(sv); | |
3188 | if (datumtype == 'b') { | |
3189 | aint = len; | |
3190 | for (len = 0; len < aint; len++) { | |
3191 | if (len & 7) /*SUPPRESS 595*/ | |
3192 | bits >>= 1; | |
3193 | else | |
3194 | bits = *s++; | |
3195 | *pat++ = '0' + (bits & 1); | |
3196 | } | |
3197 | } | |
3198 | else { | |
3199 | aint = len; | |
3200 | for (len = 0; len < aint; len++) { | |
3201 | if (len & 7) | |
3202 | bits <<= 1; | |
3203 | else | |
3204 | bits = *s++; | |
3205 | *pat++ = '0' + ((bits & 128) != 0); | |
3206 | } | |
3207 | } | |
3208 | *pat = '\0'; | |
3209 | pat = aptr; /* unborrow register */ | |
3210 | XPUSHs(sv_2mortal(sv)); | |
3211 | break; | |
3212 | case 'H': | |
3213 | case 'h': | |
3214 | if (pat[-1] == '*' || len > (strend - s) * 2) | |
3215 | len = (strend - s) * 2; | |
3216 | sv = NEWSV(35, len + 1); | |
3217 | SvCUR_set(sv, len); | |
3218 | SvPOK_on(sv); | |
3219 | aptr = pat; /* borrow register */ | |
3220 | pat = SvPV(sv); | |
3221 | if (datumtype == 'h') { | |
3222 | aint = len; | |
3223 | for (len = 0; len < aint; len++) { | |
3224 | if (len & 1) | |
3225 | bits >>= 4; | |
3226 | else | |
3227 | bits = *s++; | |
3228 | *pat++ = hexdigit[bits & 15]; | |
3229 | } | |
3230 | } | |
3231 | else { | |
3232 | aint = len; | |
3233 | for (len = 0; len < aint; len++) { | |
3234 | if (len & 1) | |
3235 | bits <<= 4; | |
3236 | else | |
3237 | bits = *s++; | |
3238 | *pat++ = hexdigit[(bits >> 4) & 15]; | |
3239 | } | |
3240 | } | |
3241 | *pat = '\0'; | |
3242 | pat = aptr; /* unborrow register */ | |
3243 | XPUSHs(sv_2mortal(sv)); | |
3244 | break; | |
3245 | case 'c': | |
3246 | if (len > strend - s) | |
3247 | len = strend - s; | |
3248 | if (checksum) { | |
3249 | while (len-- > 0) { | |
3250 | aint = *s++; | |
3251 | if (aint >= 128) /* fake up signed chars */ | |
3252 | aint -= 256; | |
3253 | culong += aint; | |
3254 | } | |
3255 | } | |
3256 | else { | |
3257 | EXTEND(SP, len); | |
3258 | while (len-- > 0) { | |
3259 | aint = *s++; | |
3260 | if (aint >= 128) /* fake up signed chars */ | |
3261 | aint -= 256; | |
3262 | sv = NEWSV(36, 0); | |
3263 | sv_setiv(sv, (I32)aint); | |
3264 | PUSHs(sv_2mortal(sv)); | |
3265 | } | |
3266 | } | |
3267 | break; | |
3268 | case 'C': | |
3269 | if (len > strend - s) | |
3270 | len = strend - s; | |
3271 | if (checksum) { | |
3272 | uchar_checksum: | |
3273 | while (len-- > 0) { | |
3274 | auint = *s++ & 255; | |
3275 | culong += auint; | |
3276 | } | |
3277 | } | |
3278 | else { | |
3279 | EXTEND(SP, len); | |
3280 | while (len-- > 0) { | |
3281 | auint = *s++ & 255; | |
3282 | sv = NEWSV(37, 0); | |
3283 | sv_setiv(sv, (I32)auint); | |
3284 | PUSHs(sv_2mortal(sv)); | |
3285 | } | |
3286 | } | |
3287 | break; | |
3288 | case 's': | |
3289 | along = (strend - s) / sizeof(I16); | |
3290 | if (len > along) | |
3291 | len = along; | |
3292 | if (checksum) { | |
3293 | while (len-- > 0) { | |
3294 | Copy(s, &ashort, 1, I16); | |
3295 | s += sizeof(I16); | |
3296 | culong += ashort; | |
3297 | } | |
3298 | } | |
3299 | else { | |
3300 | EXTEND(SP, len); | |
3301 | while (len-- > 0) { | |
3302 | Copy(s, &ashort, 1, I16); | |
3303 | s += sizeof(I16); | |
3304 | sv = NEWSV(38, 0); | |
3305 | sv_setiv(sv, (I32)ashort); | |
3306 | PUSHs(sv_2mortal(sv)); | |
3307 | } | |
3308 | } | |
3309 | break; | |
3310 | case 'v': | |
3311 | case 'n': | |
3312 | case 'S': | |
3313 | along = (strend - s) / sizeof(U16); | |
3314 | if (len > along) | |
3315 | len = along; | |
3316 | if (checksum) { | |
3317 | while (len-- > 0) { | |
3318 | Copy(s, &aushort, 1, U16); | |
3319 | s += sizeof(U16); | |
3320 | #ifdef HAS_NTOHS | |
3321 | if (datumtype == 'n') | |
3322 | aushort = ntohs(aushort); | |
3323 | #endif | |
3324 | #ifdef HAS_VTOHS | |
3325 | if (datumtype == 'v') | |
3326 | aushort = vtohs(aushort); | |
3327 | #endif | |
3328 | culong += aushort; | |
3329 | } | |
3330 | } | |
3331 | else { | |
3332 | EXTEND(SP, len); | |
3333 | while (len-- > 0) { | |
3334 | Copy(s, &aushort, 1, U16); | |
3335 | s += sizeof(U16); | |
3336 | sv = NEWSV(39, 0); | |
3337 | #ifdef HAS_NTOHS | |
3338 | if (datumtype == 'n') | |
3339 | aushort = ntohs(aushort); | |
3340 | #endif | |
3341 | #ifdef HAS_VTOHS | |
3342 | if (datumtype == 'v') | |
3343 | aushort = vtohs(aushort); | |
3344 | #endif | |
3345 | sv_setiv(sv, (I32)aushort); | |
3346 | PUSHs(sv_2mortal(sv)); | |
3347 | } | |
3348 | } | |
3349 | break; | |
3350 | case 'i': | |
3351 | along = (strend - s) / sizeof(int); | |
3352 | if (len > along) | |
3353 | len = along; | |
3354 | if (checksum) { | |
3355 | while (len-- > 0) { | |
3356 | Copy(s, &aint, 1, int); | |
3357 | s += sizeof(int); | |
3358 | if (checksum > 32) | |
3359 | cdouble += (double)aint; | |
3360 | else | |
3361 | culong += aint; | |
3362 | } | |
3363 | } | |
3364 | else { | |
3365 | EXTEND(SP, len); | |
3366 | while (len-- > 0) { | |
3367 | Copy(s, &aint, 1, int); | |
3368 | s += sizeof(int); | |
3369 | sv = NEWSV(40, 0); | |
3370 | sv_setiv(sv, (I32)aint); | |
3371 | PUSHs(sv_2mortal(sv)); | |
3372 | } | |
3373 | } | |
3374 | break; | |
3375 | case 'I': | |
3376 | along = (strend - s) / sizeof(unsigned int); | |
3377 | if (len > along) | |
3378 | len = along; | |
3379 | if (checksum) { | |
3380 | while (len-- > 0) { | |
3381 | Copy(s, &auint, 1, unsigned int); | |
3382 | s += sizeof(unsigned int); | |
3383 | if (checksum > 32) | |
3384 | cdouble += (double)auint; | |
3385 | else | |
3386 | culong += auint; | |
3387 | } | |
3388 | } | |
3389 | else { | |
3390 | EXTEND(SP, len); | |
3391 | while (len-- > 0) { | |
3392 | Copy(s, &auint, 1, unsigned int); | |
3393 | s += sizeof(unsigned int); | |
3394 | sv = NEWSV(41, 0); | |
3395 | sv_setiv(sv, (I32)auint); | |
3396 | PUSHs(sv_2mortal(sv)); | |
3397 | } | |
3398 | } | |
3399 | break; | |
3400 | case 'l': | |
3401 | along = (strend - s) / sizeof(I32); | |
3402 | if (len > along) | |
3403 | len = along; | |
3404 | if (checksum) { | |
3405 | while (len-- > 0) { | |
3406 | Copy(s, &along, 1, I32); | |
3407 | s += sizeof(I32); | |
3408 | if (checksum > 32) | |
3409 | cdouble += (double)along; | |
3410 | else | |
3411 | culong += along; | |
3412 | } | |
3413 | } | |
3414 | else { | |
3415 | EXTEND(SP, len); | |
3416 | while (len-- > 0) { | |
3417 | Copy(s, &along, 1, I32); | |
3418 | s += sizeof(I32); | |
3419 | sv = NEWSV(42, 0); | |
3420 | sv_setiv(sv, (I32)along); | |
3421 | PUSHs(sv_2mortal(sv)); | |
3422 | } | |
3423 | } | |
3424 | break; | |
3425 | case 'V': | |
3426 | case 'N': | |
3427 | case 'L': | |
3428 | along = (strend - s) / sizeof(U32); | |
3429 | if (len > along) | |
3430 | len = along; | |
3431 | if (checksum) { | |
3432 | while (len-- > 0) { | |
3433 | Copy(s, &aulong, 1, U32); | |
3434 | s += sizeof(U32); | |
3435 | #ifdef HAS_NTOHL | |
3436 | if (datumtype == 'N') | |
3437 | aulong = ntohl(aulong); | |
3438 | #endif | |
3439 | #ifdef HAS_VTOHL | |
3440 | if (datumtype == 'V') | |
3441 | aulong = vtohl(aulong); | |
3442 | #endif | |
3443 | if (checksum > 32) | |
3444 | cdouble += (double)aulong; | |
3445 | else | |
3446 | culong += aulong; | |
3447 | } | |
3448 | } | |
3449 | else { | |
3450 | EXTEND(SP, len); | |
3451 | while (len-- > 0) { | |
3452 | Copy(s, &aulong, 1, U32); | |
3453 | s += sizeof(U32); | |
3454 | sv = NEWSV(43, 0); | |
3455 | #ifdef HAS_NTOHL | |
3456 | if (datumtype == 'N') | |
3457 | aulong = ntohl(aulong); | |
3458 | #endif | |
3459 | #ifdef HAS_VTOHL | |
3460 | if (datumtype == 'V') | |
3461 | aulong = vtohl(aulong); | |
3462 | #endif | |
3463 | sv_setnv(sv, (double)aulong); | |
3464 | PUSHs(sv_2mortal(sv)); | |
3465 | } | |
3466 | } | |
3467 | break; | |
3468 | case 'p': | |
3469 | along = (strend - s) / sizeof(char*); | |
3470 | if (len > along) | |
3471 | len = along; | |
3472 | EXTEND(SP, len); | |
3473 | while (len-- > 0) { | |
3474 | if (sizeof(char*) > strend - s) | |
3475 | break; | |
3476 | else { | |
3477 | Copy(s, &aptr, 1, char*); | |
3478 | s += sizeof(char*); | |
3479 | } | |
3480 | sv = NEWSV(44, 0); | |
3481 | if (aptr) | |
3482 | sv_setpv(sv, aptr); | |
3483 | PUSHs(sv_2mortal(sv)); | |
3484 | } | |
3485 | break; | |
3486 | #ifdef QUAD | |
3487 | case 'q': | |
3488 | EXTEND(SP, len); | |
3489 | while (len-- > 0) { | |
3490 | if (s + sizeof(quad) > strend) | |
3491 | aquad = 0; | |
3492 | else { | |
3493 | Copy(s, &aquad, 1, quad); | |
3494 | s += sizeof(quad); | |
3495 | } | |
3496 | sv = NEWSV(42, 0); | |
3497 | sv_setnv(sv, (double)aquad); | |
3498 | PUSHs(sv_2mortal(sv)); | |
3499 | } | |
3500 | break; | |
3501 | case 'Q': | |
3502 | EXTEND(SP, len); | |
3503 | while (len-- > 0) { | |
3504 | if (s + sizeof(unsigned quad) > strend) | |
3505 | auquad = 0; | |
3506 | else { | |
3507 | Copy(s, &auquad, 1, unsigned quad); | |
3508 | s += sizeof(unsigned quad); | |
3509 | } | |
3510 | sv = NEWSV(43, 0); | |
3511 | sv_setnv(sv, (double)auquad); | |
3512 | PUSHs(sv_2mortal(sv)); | |
3513 | } | |
3514 | break; | |
3515 | #endif | |
3516 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ | |
3517 | case 'f': | |
3518 | case 'F': | |
3519 | along = (strend - s) / sizeof(float); | |
3520 | if (len > along) | |
3521 | len = along; | |
3522 | if (checksum) { | |
3523 | while (len-- > 0) { | |
3524 | Copy(s, &afloat, 1, float); | |
3525 | s += sizeof(float); | |
3526 | cdouble += afloat; | |
3527 | } | |
3528 | } | |
3529 | else { | |
3530 | EXTEND(SP, len); | |
3531 | while (len-- > 0) { | |
3532 | Copy(s, &afloat, 1, float); | |
3533 | s += sizeof(float); | |
3534 | sv = NEWSV(47, 0); | |
3535 | sv_setnv(sv, (double)afloat); | |
3536 | PUSHs(sv_2mortal(sv)); | |
3537 | } | |
3538 | } | |
3539 | break; | |
3540 | case 'd': | |
3541 | case 'D': | |
3542 | along = (strend - s) / sizeof(double); | |
3543 | if (len > along) | |
3544 | len = along; | |
3545 | if (checksum) { | |
3546 | while (len-- > 0) { | |
3547 | Copy(s, &adouble, 1, double); | |
3548 | s += sizeof(double); | |
3549 | cdouble += adouble; | |
3550 | } | |
3551 | } | |
3552 | else { | |
3553 | EXTEND(SP, len); | |
3554 | while (len-- > 0) { | |
3555 | Copy(s, &adouble, 1, double); | |
3556 | s += sizeof(double); | |
3557 | sv = NEWSV(48, 0); | |
3558 | sv_setnv(sv, (double)adouble); | |
3559 | PUSHs(sv_2mortal(sv)); | |
3560 | } | |
3561 | } | |
3562 | break; | |
3563 | case 'u': | |
3564 | along = (strend - s) * 3 / 4; | |
3565 | sv = NEWSV(42, along); | |
3566 | while (s < strend && *s > ' ' && *s < 'a') { | |
3567 | I32 a, b, c, d; | |
3568 | char hunk[4]; | |
3569 | ||
3570 | hunk[3] = '\0'; | |
3571 | len = (*s++ - ' ') & 077; | |
3572 | while (len > 0) { | |
3573 | if (s < strend && *s >= ' ') | |
3574 | a = (*s++ - ' ') & 077; | |
3575 | else | |
3576 | a = 0; | |
3577 | if (s < strend && *s >= ' ') | |
3578 | b = (*s++ - ' ') & 077; | |
3579 | else | |
3580 | b = 0; | |
3581 | if (s < strend && *s >= ' ') | |
3582 | c = (*s++ - ' ') & 077; | |
3583 | else | |
3584 | c = 0; | |
3585 | if (s < strend && *s >= ' ') | |
3586 | d = (*s++ - ' ') & 077; | |
3587 | else | |
3588 | d = 0; | |
3589 | hunk[0] = a << 2 | b >> 4; | |
3590 | hunk[1] = b << 4 | c >> 2; | |
3591 | hunk[2] = c << 6 | d; | |
3592 | sv_catpvn(sv, hunk, len > 3 ? 3 : len); | |
3593 | len -= 3; | |
3594 | } | |
3595 | if (*s == '\n') | |
3596 | s++; | |
3597 | else if (s[1] == '\n') /* possible checksum byte */ | |
3598 | s += 2; | |
3599 | } | |
3600 | XPUSHs(sv_2mortal(sv)); | |
3601 | break; | |
3602 | } | |
3603 | if (checksum) { | |
3604 | sv = NEWSV(42, 0); | |
3605 | if (index("fFdD", datumtype) || | |
3606 | (checksum > 32 && index("iIlLN", datumtype)) ) { | |
3607 | double modf(); | |
3608 | double trouble; | |
3609 | ||
3610 | adouble = 1.0; | |
3611 | while (checksum >= 16) { | |
3612 | checksum -= 16; | |
3613 | adouble *= 65536.0; | |
3614 | } | |
3615 | while (checksum >= 4) { | |
3616 | checksum -= 4; | |
3617 | adouble *= 16.0; | |
3618 | } | |
3619 | while (checksum--) | |
3620 | adouble *= 2.0; | |
3621 | along = (1 << checksum) - 1; | |
3622 | while (cdouble < 0.0) | |
3623 | cdouble += adouble; | |
3624 | cdouble = modf(cdouble / adouble, &trouble) * adouble; | |
3625 | sv_setnv(sv, cdouble); | |
3626 | } | |
3627 | else { | |
3628 | if (checksum < 32) { | |
3629 | along = (1 << checksum) - 1; | |
3630 | culong &= (U32)along; | |
3631 | } | |
3632 | sv_setnv(sv, (double)culong); | |
3633 | } | |
3634 | XPUSHs(sv_2mortal(sv)); | |
3635 | checksum = 0; | |
3636 | } | |
3637 | } | |
3638 | RETURN; | |
3639 | } | |
3640 | ||
3641 | static void | |
3642 | doencodes(sv, s, len) | |
3643 | register SV *sv; | |
3644 | register char *s; | |
3645 | register I32 len; | |
3646 | { | |
3647 | char hunk[5]; | |
3648 | ||
3649 | *hunk = len + ' '; | |
3650 | sv_catpvn(sv, hunk, 1); | |
3651 | hunk[4] = '\0'; | |
3652 | while (len > 0) { | |
3653 | hunk[0] = ' ' + (077 & (*s >> 2)); | |
3654 | hunk[1] = ' ' + (077 & ((*s << 4) & 060 | (s[1] >> 4) & 017)); | |
3655 | hunk[2] = ' ' + (077 & ((s[1] << 2) & 074 | (s[2] >> 6) & 03)); | |
3656 | hunk[3] = ' ' + (077 & (s[2] & 077)); | |
3657 | sv_catpvn(sv, hunk, 4); | |
3658 | s += 3; | |
3659 | len -= 3; | |
3660 | } | |
3661 | for (s = SvPV(sv); *s; s++) { | |
3662 | if (*s == ' ') | |
3663 | *s = '`'; | |
3664 | } | |
3665 | sv_catpvn(sv, "\n", 1); | |
3666 | } | |
3667 | ||
3668 | PP(pp_pack) | |
3669 | { | |
3670 | dSP; dMARK; dORIGMARK; dTARGET; | |
3671 | register SV *cat = TARG; | |
3672 | register I32 items; | |
3673 | register char *pat = SvPVnx(*++MARK); | |
3674 | register char *patend = pat + SvCUR(*MARK); | |
3675 | register I32 len; | |
3676 | I32 datumtype; | |
3677 | SV *fromstr; | |
3678 | /*SUPPRESS 442*/ | |
3679 | static char *null10 = "\0\0\0\0\0\0\0\0\0\0"; | |
3680 | static char *space10 = " "; | |
3681 | ||
3682 | /* These must not be in registers: */ | |
3683 | char achar; | |
3684 | I16 ashort; | |
3685 | int aint; | |
3686 | unsigned int auint; | |
3687 | I32 along; | |
3688 | U32 aulong; | |
3689 | #ifdef QUAD | |
3690 | quad aquad; | |
3691 | unsigned quad auquad; | |
3692 | #endif | |
3693 | char *aptr; | |
3694 | float afloat; | |
3695 | double adouble; | |
3696 | ||
3697 | items = SP - MARK; | |
3698 | MARK++; | |
3699 | sv_setpvn(cat, "", 0); | |
3700 | while (pat < patend) { | |
3701 | #define NEXTFROM (items-- > 0 ? *MARK++ : &sv_no) | |
3702 | datumtype = *pat++; | |
3703 | if (*pat == '*') { | |
3704 | len = index("@Xxu", datumtype) ? 0 : items; | |
3705 | pat++; | |
3706 | } | |
3707 | else if (isDIGIT(*pat)) { | |
3708 | len = *pat++ - '0'; | |
3709 | while (isDIGIT(*pat)) | |
3710 | len = (len * 10) + (*pat++ - '0'); | |
3711 | } | |
3712 | else | |
3713 | len = 1; | |
3714 | switch(datumtype) { | |
3715 | default: | |
3716 | break; | |
3717 | case '%': | |
3718 | DIE("% may only be used in unpack"); | |
3719 | case '@': | |
3720 | len -= SvCUR(cat); | |
3721 | if (len > 0) | |
3722 | goto grow; | |
3723 | len = -len; | |
3724 | if (len > 0) | |
3725 | goto shrink; | |
3726 | break; | |
3727 | case 'X': | |
3728 | shrink: | |
3729 | if (SvCUR(cat) < len) | |
3730 | DIE("X outside of string"); | |
3731 | SvCUR(cat) -= len; | |
3732 | *SvEND(cat) = '\0'; | |
3733 | break; | |
3734 | case 'x': | |
3735 | grow: | |
3736 | while (len >= 10) { | |
3737 | sv_catpvn(cat, null10, 10); | |
3738 | len -= 10; | |
3739 | } | |
3740 | sv_catpvn(cat, null10, len); | |
3741 | break; | |
3742 | case 'A': | |
3743 | case 'a': | |
3744 | fromstr = NEXTFROM; | |
3745 | aptr = SvPVn(fromstr); | |
3746 | if (pat[-1] == '*') | |
3747 | len = SvCUR(fromstr); | |
3748 | if (SvCUR(fromstr) > len) | |
3749 | sv_catpvn(cat, aptr, len); | |
3750 | else { | |
3751 | sv_catpvn(cat, aptr, SvCUR(fromstr)); | |
3752 | len -= SvCUR(fromstr); | |
3753 | if (datumtype == 'A') { | |
3754 | while (len >= 10) { | |
3755 | sv_catpvn(cat, space10, 10); | |
3756 | len -= 10; | |
3757 | } | |
3758 | sv_catpvn(cat, space10, len); | |
3759 | } | |
3760 | else { | |
3761 | while (len >= 10) { | |
3762 | sv_catpvn(cat, null10, 10); | |
3763 | len -= 10; | |
3764 | } | |
3765 | sv_catpvn(cat, null10, len); | |
3766 | } | |
3767 | } | |
3768 | break; | |
3769 | case 'B': | |
3770 | case 'b': | |
3771 | { | |
3772 | char *savepat = pat; | |
3773 | I32 saveitems; | |
3774 | ||
3775 | fromstr = NEXTFROM; | |
3776 | saveitems = items; | |
3777 | aptr = SvPVn(fromstr); | |
3778 | if (pat[-1] == '*') | |
3779 | len = SvCUR(fromstr); | |
3780 | pat = aptr; | |
3781 | aint = SvCUR(cat); | |
3782 | SvCUR(cat) += (len+7)/8; | |
3783 | SvGROW(cat, SvCUR(cat) + 1); | |
3784 | aptr = SvPV(cat) + aint; | |
3785 | if (len > SvCUR(fromstr)) | |
3786 | len = SvCUR(fromstr); | |
3787 | aint = len; | |
3788 | items = 0; | |
3789 | if (datumtype == 'B') { | |
3790 | for (len = 0; len++ < aint;) { | |
3791 | items |= *pat++ & 1; | |
3792 | if (len & 7) | |
3793 | items <<= 1; | |
3794 | else { | |
3795 | *aptr++ = items & 0xff; | |
3796 | items = 0; | |
3797 | } | |
3798 | } | |
3799 | } | |
3800 | else { | |
3801 | for (len = 0; len++ < aint;) { | |
3802 | if (*pat++ & 1) | |
3803 | items |= 128; | |
3804 | if (len & 7) | |
3805 | items >>= 1; | |
3806 | else { | |
3807 | *aptr++ = items & 0xff; | |
3808 | items = 0; | |
3809 | } | |
3810 | } | |
3811 | } | |
3812 | if (aint & 7) { | |
3813 | if (datumtype == 'B') | |
3814 | items <<= 7 - (aint & 7); | |
3815 | else | |
3816 | items >>= 7 - (aint & 7); | |
3817 | *aptr++ = items & 0xff; | |
3818 | } | |
3819 | pat = SvPV(cat) + SvCUR(cat); | |
3820 | while (aptr <= pat) | |
3821 | *aptr++ = '\0'; | |
3822 | ||
3823 | pat = savepat; | |
3824 | items = saveitems; | |
3825 | } | |
3826 | break; | |
3827 | case 'H': | |
3828 | case 'h': | |
3829 | { | |
3830 | char *savepat = pat; | |
3831 | I32 saveitems; | |
3832 | ||
3833 | fromstr = NEXTFROM; | |
3834 | saveitems = items; | |
3835 | aptr = SvPVn(fromstr); | |
3836 | if (pat[-1] == '*') | |
3837 | len = SvCUR(fromstr); | |
3838 | pat = aptr; | |
3839 | aint = SvCUR(cat); | |
3840 | SvCUR(cat) += (len+1)/2; | |
3841 | SvGROW(cat, SvCUR(cat) + 1); | |
3842 | aptr = SvPV(cat) + aint; | |
3843 | if (len > SvCUR(fromstr)) | |
3844 | len = SvCUR(fromstr); | |
3845 | aint = len; | |
3846 | items = 0; | |
3847 | if (datumtype == 'H') { | |
3848 | for (len = 0; len++ < aint;) { | |
3849 | if (isALPHA(*pat)) | |
3850 | items |= ((*pat++ & 15) + 9) & 15; | |
3851 | else | |
3852 | items |= *pat++ & 15; | |
3853 | if (len & 1) | |
3854 | items <<= 4; | |
3855 | else { | |
3856 | *aptr++ = items & 0xff; | |
3857 | items = 0; | |
3858 | } | |
3859 | } | |
3860 | } | |
3861 | else { | |
3862 | for (len = 0; len++ < aint;) { | |
3863 | if (isALPHA(*pat)) | |
3864 | items |= (((*pat++ & 15) + 9) & 15) << 4; | |
3865 | else | |
3866 | items |= (*pat++ & 15) << 4; | |
3867 | if (len & 1) | |
3868 | items >>= 4; | |
3869 | else { | |
3870 | *aptr++ = items & 0xff; | |
3871 | items = 0; | |
3872 | } | |
3873 | } | |
3874 | } | |
3875 | if (aint & 1) | |
3876 | *aptr++ = items & 0xff; | |
3877 | pat = SvPV(cat) + SvCUR(cat); | |
3878 | while (aptr <= pat) | |
3879 | *aptr++ = '\0'; | |
3880 | ||
3881 | pat = savepat; | |
3882 | items = saveitems; | |
3883 | } | |
3884 | break; | |
3885 | case 'C': | |
3886 | case 'c': | |
3887 | while (len-- > 0) { | |
3888 | fromstr = NEXTFROM; | |
3889 | aint = SvIVn(fromstr); | |
3890 | achar = aint; | |
3891 | sv_catpvn(cat, &achar, sizeof(char)); | |
3892 | } | |
3893 | break; | |
3894 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ | |
3895 | case 'f': | |
3896 | case 'F': | |
3897 | while (len-- > 0) { | |
3898 | fromstr = NEXTFROM; | |
3899 | afloat = (float)SvNVn(fromstr); | |
3900 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); | |
3901 | } | |
3902 | break; | |
3903 | case 'd': | |
3904 | case 'D': | |
3905 | while (len-- > 0) { | |
3906 | fromstr = NEXTFROM; | |
3907 | adouble = (double)SvNVn(fromstr); | |
3908 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); | |
3909 | } | |
3910 | break; | |
3911 | case 'n': | |
3912 | while (len-- > 0) { | |
3913 | fromstr = NEXTFROM; | |
3914 | ashort = (I16)SvIVn(fromstr); | |
3915 | #ifdef HAS_HTONS | |
3916 | ashort = htons(ashort); | |
3917 | #endif | |
3918 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); | |
3919 | } | |
3920 | break; | |
3921 | case 'v': | |
3922 | while (len-- > 0) { | |
3923 | fromstr = NEXTFROM; | |
3924 | ashort = (I16)SvIVn(fromstr); | |
3925 | #ifdef HAS_HTOVS | |
3926 | ashort = htovs(ashort); | |
3927 | #endif | |
3928 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); | |
3929 | } | |
3930 | break; | |
3931 | case 'S': | |
3932 | case 's': | |
3933 | while (len-- > 0) { | |
3934 | fromstr = NEXTFROM; | |
3935 | ashort = (I16)SvIVn(fromstr); | |
3936 | sv_catpvn(cat, (char*)&ashort, sizeof(I16)); | |
3937 | } | |
3938 | break; | |
3939 | case 'I': | |
3940 | while (len-- > 0) { | |
3941 | fromstr = NEXTFROM; | |
3942 | auint = U_I(SvNVn(fromstr)); | |
3943 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); | |
3944 | } | |
3945 | break; | |
3946 | case 'i': | |
3947 | while (len-- > 0) { | |
3948 | fromstr = NEXTFROM; | |
3949 | aint = SvIVn(fromstr); | |
3950 | sv_catpvn(cat, (char*)&aint, sizeof(int)); | |
3951 | } | |
3952 | break; | |
3953 | case 'N': | |
3954 | while (len-- > 0) { | |
3955 | fromstr = NEXTFROM; | |
3956 | aulong = U_L(SvNVn(fromstr)); | |
3957 | #ifdef HAS_HTONL | |
3958 | aulong = htonl(aulong); | |
3959 | #endif | |
3960 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); | |
3961 | } | |
3962 | break; | |
3963 | case 'V': | |
3964 | while (len-- > 0) { | |
3965 | fromstr = NEXTFROM; | |
3966 | aulong = U_L(SvNVn(fromstr)); | |
3967 | #ifdef HAS_HTOVL | |
3968 | aulong = htovl(aulong); | |
3969 | #endif | |
3970 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); | |
3971 | } | |
3972 | break; | |
3973 | case 'L': | |
3974 | while (len-- > 0) { | |
3975 | fromstr = NEXTFROM; | |
3976 | aulong = U_L(SvNVn(fromstr)); | |
3977 | sv_catpvn(cat, (char*)&aulong, sizeof(U32)); | |
3978 | } | |
3979 | break; | |
3980 | case 'l': | |
3981 | while (len-- > 0) { | |
3982 | fromstr = NEXTFROM; | |
3983 | along = SvIVn(fromstr); | |
3984 | sv_catpvn(cat, (char*)&along, sizeof(I32)); | |
3985 | } | |
3986 | break; | |
3987 | #ifdef QUAD | |
3988 | case 'Q': | |
3989 | while (len-- > 0) { | |
3990 | fromstr = NEXTFROM; | |
3991 | auquad = (unsigned quad)SvNVn(fromstr); | |
3992 | sv_catpvn(cat, (char*)&auquad, sizeof(unsigned quad)); | |
3993 | } | |
3994 | break; | |
3995 | case 'q': | |
3996 | while (len-- > 0) { | |
3997 | fromstr = NEXTFROM; | |
3998 | aquad = (quad)SvNVn(fromstr); | |
3999 | sv_catpvn(cat, (char*)&aquad, sizeof(quad)); | |
4000 | } | |
4001 | break; | |
4002 | #endif /* QUAD */ | |
4003 | case 'p': | |
4004 | while (len-- > 0) { | |
4005 | fromstr = NEXTFROM; | |
4006 | aptr = SvPVn(fromstr); | |
4007 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); | |
4008 | } | |
4009 | break; | |
4010 | case 'u': | |
4011 | fromstr = NEXTFROM; | |
4012 | aptr = SvPVn(fromstr); | |
4013 | aint = SvCUR(fromstr); | |
4014 | SvGROW(cat, aint * 4 / 3); | |
4015 | if (len <= 1) | |
4016 | len = 45; | |
4017 | else | |
4018 | len = len / 3 * 3; | |
4019 | while (aint > 0) { | |
4020 | I32 todo; | |
4021 | ||
4022 | if (aint > len) | |
4023 | todo = len; | |
4024 | else | |
4025 | todo = aint; | |
4026 | doencodes(cat, aptr, todo); | |
4027 | aint -= todo; | |
4028 | aptr += todo; | |
4029 | } | |
4030 | break; | |
4031 | } | |
4032 | } | |
4033 | SvSETMAGIC(cat); | |
4034 | SP = ORIGMARK; | |
4035 | PUSHs(cat); | |
4036 | RETURN; | |
4037 | } | |
4038 | #undef NEXTFROM | |
4039 | ||
4040 | PP(pp_split) | |
4041 | { | |
4042 | dSP; dTARG; | |
4043 | AV *ary; | |
4044 | register I32 limit = POPi; | |
4045 | register char *s = SvPVn(TOPs); | |
4046 | char *strend = s + SvCURx(POPs); | |
4047 | register PMOP *pm = (PMOP*)POPs; | |
4048 | register SV *dstr; | |
4049 | register char *m; | |
4050 | I32 iters = 0; | |
4051 | I32 maxiters = (strend - s) + 10; | |
4052 | I32 i; | |
4053 | char *orig; | |
4054 | I32 origlimit = limit; | |
4055 | I32 realarray = 0; | |
4056 | I32 base; | |
4057 | AV *oldstack; | |
4058 | register REGEXP *rx = pm->op_pmregexp; | |
4059 | I32 gimme = GIMME; | |
4060 | ||
4061 | if (!pm || !s) | |
4062 | DIE("panic: do_split"); | |
4063 | if (pm->op_pmreplroot) | |
4064 | ary = GvAVn((GV*)pm->op_pmreplroot); | |
4065 | else | |
4066 | ary = Nullav; | |
4067 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { | |
4068 | realarray = 1; | |
4069 | if (!AvREAL(ary)) { | |
4070 | AvREAL_on(ary); | |
4071 | for (i = AvFILL(ary); i >= 0; i--) | |
4072 | AvARRAY(ary)[i] = Nullsv; /* don't free mere refs */ | |
4073 | } | |
4074 | av_fill(ary,0); /* force allocation */ | |
4075 | av_fill(ary,-1); | |
4076 | /* temporarily switch stacks */ | |
4077 | oldstack = stack; | |
4078 | SWITCHSTACK(stack, ary); | |
4079 | } | |
4080 | base = SP - stack_base + 1; | |
4081 | orig = s; | |
4082 | if (pm->op_pmflags & PMf_SKIPWHITE) { | |
4083 | while (isSPACE(*s)) | |
4084 | s++; | |
4085 | } | |
4086 | if (!limit) | |
4087 | limit = maxiters + 2; | |
4088 | if (strEQ("\\s+", rx->precomp)) { | |
4089 | while (--limit) { | |
4090 | /*SUPPRESS 530*/ | |
4091 | for (m = s; m < strend && !isSPACE(*m); m++) ; | |
4092 | if (m >= strend) | |
4093 | break; | |
4094 | dstr = NEWSV(30, m-s); | |
4095 | sv_setpvn(dstr, s, m-s); | |
4096 | if (!realarray) | |
4097 | sv_2mortal(dstr); | |
4098 | XPUSHs(dstr); | |
4099 | /*SUPPRESS 530*/ | |
4100 | for (s = m + 1; s < strend && isSPACE(*s); s++) ; | |
4101 | } | |
4102 | } | |
4103 | else if (strEQ("^", rx->precomp)) { | |
4104 | while (--limit) { | |
4105 | /*SUPPRESS 530*/ | |
4106 | for (m = s; m < strend && *m != '\n'; m++) ; | |
4107 | m++; | |
4108 | if (m >= strend) | |
4109 | break; | |
4110 | dstr = NEWSV(30, m-s); | |
4111 | sv_setpvn(dstr, s, m-s); | |
4112 | if (!realarray) | |
4113 | sv_2mortal(dstr); | |
4114 | XPUSHs(dstr); | |
4115 | s = m; | |
4116 | } | |
4117 | } | |
4118 | else if (pm->op_pmshort) { | |
4119 | i = SvCUR(pm->op_pmshort); | |
4120 | if (i == 1) { | |
4121 | I32 fold = (pm->op_pmflags & PMf_FOLD); | |
4122 | i = *SvPV(pm->op_pmshort); | |
4123 | if (fold && isUPPER(i)) | |
4124 | i = tolower(i); | |
4125 | while (--limit) { | |
4126 | if (fold) { | |
4127 | for ( m = s; | |
4128 | m < strend && *m != i && | |
4129 | (!isUPPER(*m) || tolower(*m) != i); | |
4130 | m++) /*SUPPRESS 530*/ | |
4131 | ; | |
4132 | } | |
4133 | else /*SUPPRESS 530*/ | |
4134 | for (m = s; m < strend && *m != i; m++) ; | |
4135 | if (m >= strend) | |
4136 | break; | |
4137 | dstr = NEWSV(30, m-s); | |
4138 | sv_setpvn(dstr, s, m-s); | |
4139 | if (!realarray) | |
4140 | sv_2mortal(dstr); | |
4141 | XPUSHs(dstr); | |
4142 | s = m + 1; | |
4143 | } | |
4144 | } | |
4145 | else { | |
4146 | #ifndef lint | |
4147 | while (s < strend && --limit && | |
4148 | (m=fbm_instr((unsigned char*)s, (unsigned char*)strend, | |
4149 | pm->op_pmshort)) ) | |
4150 | #endif | |
4151 | { | |
4152 | dstr = NEWSV(31, m-s); | |
4153 | sv_setpvn(dstr, s, m-s); | |
4154 | if (!realarray) | |
4155 | sv_2mortal(dstr); | |
4156 | XPUSHs(dstr); | |
4157 | s = m + i; | |
4158 | } | |
4159 | } | |
4160 | } | |
4161 | else { | |
4162 | maxiters += (strend - s) * rx->nparens; | |
4163 | while (s < strend && --limit && | |
4164 | regexec(rx, s, strend, orig, 1, Nullsv, TRUE) ) { | |
4165 | if (rx->subbase | |
4166 | && rx->subbase != orig) { | |
4167 | m = s; | |
4168 | s = orig; | |
4169 | orig = rx->subbase; | |
4170 | s = orig + (m - s); | |
4171 | strend = s + (strend - m); | |
4172 | } | |
4173 | m = rx->startp[0]; | |
4174 | dstr = NEWSV(32, m-s); | |
4175 | sv_setpvn(dstr, s, m-s); | |
4176 | if (!realarray) | |
4177 | sv_2mortal(dstr); | |
4178 | XPUSHs(dstr); | |
4179 | if (rx->nparens) { | |
4180 | for (i = 1; i <= rx->nparens; i++) { | |
4181 | s = rx->startp[i]; | |
4182 | m = rx->endp[i]; | |
4183 | dstr = NEWSV(33, m-s); | |
4184 | sv_setpvn(dstr, s, m-s); | |
4185 | if (!realarray) | |
4186 | sv_2mortal(dstr); | |
4187 | XPUSHs(dstr); | |
4188 | } | |
4189 | } | |
4190 | s = rx->endp[0]; | |
4191 | } | |
4192 | } | |
4193 | iters = (SP - stack_base) - base; | |
4194 | if (iters > maxiters) | |
4195 | DIE("Split loop"); | |
4196 | if (s < strend || origlimit) { /* keep field after final delim? */ | |
4197 | dstr = NEWSV(34, strend-s); | |
4198 | sv_setpvn(dstr, s, strend-s); | |
4199 | if (!realarray) | |
4200 | sv_2mortal(dstr); | |
4201 | XPUSHs(dstr); | |
4202 | iters++; | |
4203 | } | |
4204 | else { | |
4205 | while (iters > 0 && SvCUR(TOPs) == 0) | |
4206 | iters--, SP--; | |
4207 | } | |
4208 | if (realarray) { | |
4209 | SWITCHSTACK(ary, oldstack); | |
4210 | if (gimme == G_ARRAY) { | |
4211 | EXTEND(SP, iters); | |
4212 | Copy(AvARRAY(ary), SP + 1, iters, SV*); | |
4213 | SP += iters; | |
4214 | RETURN; | |
4215 | } | |
4216 | } | |
4217 | else { | |
4218 | if (gimme == G_ARRAY) | |
4219 | RETURN; | |
4220 | } | |
4221 | SP = stack_base + base; | |
4222 | GETTARGET; | |
4223 | PUSHi(iters); | |
4224 | RETURN; | |
4225 | } | |
4226 | ||
4227 | PP(pp_join) | |
4228 | { | |
4229 | dSP; dMARK; dTARGET; | |
4230 | MARK++; | |
4231 | do_join(TARG, *MARK, MARK, SP); | |
4232 | SP = MARK; | |
4233 | SETs(TARG); | |
4234 | RETURN; | |
4235 | } | |
4236 | ||
4237 | /* List operators. */ | |
4238 | ||
4239 | PP(pp_list) | |
4240 | { | |
4241 | dSP; | |
4242 | if (GIMME != G_ARRAY) { | |
4243 | dMARK; | |
4244 | if (++MARK <= SP) | |
4245 | *MARK = *SP; /* unwanted list, return last item */ | |
4246 | else | |
4247 | *MARK = &sv_undef; | |
4248 | SP = MARK; | |
4249 | } | |
4250 | RETURN; | |
4251 | } | |
4252 | ||
4253 | PP(pp_lslice) | |
4254 | { | |
4255 | dSP; | |
4256 | SV **lastrelem = stack_sp; | |
4257 | SV **lastlelem = stack_base + POPMARK; | |
4258 | SV **firstlelem = stack_base + POPMARK + 1; | |
4259 | register SV **firstrelem = lastlelem + 1; | |
4260 | I32 lval = op->op_flags & OPf_LVAL; | |
4261 | I32 is_something_there = lval; | |
4262 | ||
4263 | register I32 max = lastrelem - lastlelem; | |
4264 | register SV **lelem; | |
4265 | register I32 ix; | |
4266 | ||
4267 | if (GIMME != G_ARRAY) { | |
4268 | ix = SvIVnx(*lastlelem) - arybase; | |
4269 | if (ix < 0 || ix >= max) | |
4270 | *firstlelem = &sv_undef; | |
4271 | else | |
4272 | *firstlelem = firstrelem[ix]; | |
4273 | SP = firstlelem; | |
4274 | RETURN; | |
4275 | } | |
4276 | ||
4277 | if (max == 0) { | |
4278 | SP = firstlelem; | |
4279 | RETURN; | |
4280 | } | |
4281 | ||
4282 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
4283 | ix = SvIVnx(*lelem) - arybase; | |
4284 | if (ix < 0 || ix >= max || !(*lelem = firstrelem[ix])) | |
4285 | *lelem = &sv_undef; | |
4286 | if (!is_something_there && SvOK(*lelem)) | |
4287 | is_something_there = TRUE; | |
4288 | } | |
4289 | if (is_something_there) | |
4290 | SP = lastlelem; | |
4291 | else | |
4292 | SP = firstlelem; | |
4293 | RETURN; | |
4294 | } | |
4295 | ||
4296 | PP(pp_anonlist) | |
4297 | { | |
4298 | dSP; dMARK; | |
4299 | I32 items = SP - MARK; | |
4300 | SP = MARK; | |
4301 | XPUSHs((SV*)av_make(items, MARK+1)); | |
4302 | RETURN; | |
4303 | } | |
4304 | ||
4305 | PP(pp_anonhash) | |
4306 | { | |
4307 | dSP; dMARK; dORIGMARK; | |
4308 | HV* hv = newHV(COEFFSIZE); | |
4309 | SvREFCNT(hv) = 0; | |
4310 | while (MARK < SP) { | |
4311 | SV* key = *++MARK; | |
4312 | SV* val; | |
4313 | char *tmps; | |
4314 | if (MARK < SP) | |
4315 | val = *++MARK; | |
4316 | tmps = SvPV(key); | |
4317 | (void)hv_store(hv,tmps,SvCUR(key),val,0); | |
4318 | } | |
4319 | SP = ORIGMARK; | |
4320 | XPUSHs((SV*)hv); | |
4321 | RETURN; | |
4322 | } | |
4323 | ||
4324 | PP(pp_splice) | |
4325 | { | |
4326 | dSP; dMARK; dORIGMARK; | |
4327 | register AV *ary = (AV*)*++MARK; | |
4328 | register SV **src; | |
4329 | register SV **dst; | |
4330 | register I32 i; | |
4331 | register I32 offset; | |
4332 | register I32 length; | |
4333 | I32 newlen; | |
4334 | I32 after; | |
4335 | I32 diff; | |
4336 | SV **tmparyval; | |
4337 | ||
4338 | SP++; | |
4339 | ||
4340 | if (++MARK < SP) { | |
4341 | offset = SvIVnx(*MARK); | |
4342 | if (offset < 0) | |
4343 | offset += AvFILL(ary) + 1; | |
4344 | else | |
4345 | offset -= arybase; | |
4346 | if (++MARK < SP) { | |
4347 | length = SvIVnx(*MARK++); | |
4348 | if (length < 0) | |
4349 | length = 0; | |
4350 | } | |
4351 | else | |
4352 | length = AvMAX(ary) + 1; /* close enough to infinity */ | |
4353 | } | |
4354 | else { | |
4355 | offset = 0; | |
4356 | length = AvMAX(ary) + 1; | |
4357 | } | |
4358 | if (offset < 0) { | |
4359 | length += offset; | |
4360 | offset = 0; | |
4361 | if (length < 0) | |
4362 | length = 0; | |
4363 | } | |
4364 | if (offset > AvFILL(ary) + 1) | |
4365 | offset = AvFILL(ary) + 1; | |
4366 | after = AvFILL(ary) + 1 - (offset + length); | |
4367 | if (after < 0) { /* not that much array */ | |
4368 | length += after; /* offset+length now in array */ | |
4369 | after = 0; | |
4370 | if (!AvALLOC(ary)) { | |
4371 | av_fill(ary, 0); | |
4372 | av_fill(ary, -1); | |
4373 | } | |
4374 | } | |
4375 | ||
4376 | /* At this point, MARK .. SP-1 is our new LIST */ | |
4377 | ||
4378 | newlen = SP - MARK; | |
4379 | diff = newlen - length; | |
4380 | ||
4381 | if (diff < 0) { /* shrinking the area */ | |
4382 | if (newlen) { | |
4383 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
4384 | Copy(MARK, tmparyval, newlen, SV*); | |
4385 | } | |
4386 | ||
4387 | MARK = ORIGMARK + 1; | |
4388 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
4389 | MEXTEND(MARK, length); | |
4390 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
4391 | if (AvREAL(ary)) { | |
4392 | for (i = length, dst = MARK; i; i--) | |
4393 | sv_2mortal(*dst++); /* free them eventualy */ | |
4394 | } | |
4395 | MARK += length - 1; | |
4396 | } | |
4397 | else { | |
4398 | *MARK = AvARRAY(ary)[offset+length-1]; | |
4399 | if (AvREAL(ary)) { | |
4400 | sv_2mortal(*MARK); | |
4401 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) | |
4402 | sv_free(*dst++); /* free them now */ | |
4403 | } | |
4404 | } | |
4405 | AvFILL(ary) += diff; | |
4406 | ||
4407 | /* pull up or down? */ | |
4408 | ||
4409 | if (offset < after) { /* easier to pull up */ | |
4410 | if (offset) { /* esp. if nothing to pull */ | |
4411 | src = &AvARRAY(ary)[offset-1]; | |
4412 | dst = src - diff; /* diff is negative */ | |
4413 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
4414 | *dst-- = *src--; | |
4415 | } | |
4416 | Zero(AvARRAY(ary), -diff, SV*); | |
4417 | AvARRAY(ary) -= diff; /* diff is negative */ | |
4418 | AvMAX(ary) += diff; | |
4419 | } | |
4420 | else { | |
4421 | if (after) { /* anything to pull down? */ | |
4422 | src = AvARRAY(ary) + offset + length; | |
4423 | dst = src + diff; /* diff is negative */ | |
4424 | Move(src, dst, after, SV*); | |
4425 | } | |
4426 | Zero(&AvARRAY(ary)[AvFILL(ary)+1], -diff, SV*); | |
4427 | /* avoid later double free */ | |
4428 | } | |
4429 | if (newlen) { | |
4430 | for (src = tmparyval, dst = AvARRAY(ary) + offset; | |
4431 | newlen; newlen--) { | |
4432 | *dst = NEWSV(46, 0); | |
4433 | sv_setsv(*dst++, *src++); | |
4434 | } | |
4435 | Safefree(tmparyval); | |
4436 | } | |
4437 | } | |
4438 | else { /* no, expanding (or same) */ | |
4439 | if (length) { | |
4440 | New(452, tmparyval, length, SV*); /* so remember deletion */ | |
4441 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); | |
4442 | } | |
4443 | ||
4444 | if (diff > 0) { /* expanding */ | |
4445 | ||
4446 | /* push up or down? */ | |
4447 | ||
4448 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
4449 | if (offset) { | |
4450 | src = AvARRAY(ary); | |
4451 | dst = src - diff; | |
4452 | Move(src, dst, offset, SV*); | |
4453 | } | |
4454 | AvARRAY(ary) -= diff; /* diff is positive */ | |
4455 | AvMAX(ary) += diff; | |
4456 | AvFILL(ary) += diff; | |
4457 | } | |
4458 | else { | |
4459 | if (AvFILL(ary) + diff >= AvMAX(ary)) /* oh, well */ | |
4460 | av_store(ary, AvFILL(ary) + diff, Nullsv); | |
4461 | else | |
4462 | AvFILL(ary) += diff; | |
4463 | dst = AvARRAY(ary) + AvFILL(ary); | |
4464 | for (i = diff; i > 0; i--) { | |
4465 | if (*dst) /* stuff was hanging around */ | |
4466 | sv_free(*dst); /* after $#foo */ | |
4467 | dst--; | |
4468 | } | |
4469 | if (after) { | |
4470 | dst = AvARRAY(ary) + AvFILL(ary); | |
4471 | src = dst - diff; | |
4472 | for (i = after; i; i--) { | |
4473 | *dst-- = *src--; | |
4474 | } | |
4475 | } | |
4476 | } | |
4477 | } | |
4478 | ||
4479 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { | |
4480 | *dst = NEWSV(46, 0); | |
4481 | sv_setsv(*dst++, *src++); | |
4482 | } | |
4483 | MARK = ORIGMARK + 1; | |
4484 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
4485 | if (length) { | |
4486 | Copy(tmparyval, MARK, length, SV*); | |
4487 | if (AvREAL(ary)) { | |
4488 | for (i = length, dst = MARK; i; i--) | |
4489 | sv_2mortal(*dst++); /* free them eventualy */ | |
4490 | } | |
4491 | Safefree(tmparyval); | |
4492 | } | |
4493 | MARK += length - 1; | |
4494 | } | |
4495 | else if (length--) { | |
4496 | *MARK = tmparyval[length]; | |
4497 | if (AvREAL(ary)) { | |
4498 | sv_2mortal(*MARK); | |
4499 | while (length-- > 0) | |
4500 | sv_free(tmparyval[length]); | |
4501 | } | |
4502 | Safefree(tmparyval); | |
4503 | } | |
4504 | else | |
4505 | *MARK = &sv_undef; | |
4506 | } | |
4507 | SP = MARK; | |
4508 | RETURN; | |
4509 | } | |
4510 | ||
4511 | PP(pp_push) | |
4512 | { | |
4513 | dSP; dMARK; dORIGMARK; dTARGET; | |
4514 | register AV *ary = (AV*)*++MARK; | |
4515 | register SV *sv = &sv_undef; | |
4516 | ||
4517 | for (++MARK; MARK <= SP; MARK++) { | |
4518 | sv = NEWSV(51, 0); | |
4519 | if (*MARK) | |
4520 | sv_setsv(sv, *MARK); | |
4521 | (void)av_push(ary, sv); | |
4522 | } | |
4523 | SP = ORIGMARK; | |
4524 | PUSHi( AvFILL(ary) + 1 ); | |
4525 | RETURN; | |
4526 | } | |
4527 | ||
4528 | PP(pp_pop) | |
4529 | { | |
4530 | dSP; | |
4531 | AV *av = (AV*)POPs; | |
4532 | SV *sv = av_pop(av); | |
4533 | if (!sv) | |
4534 | RETPUSHUNDEF; | |
4535 | if (AvREAL(av)) | |
4536 | (void)sv_2mortal(sv); | |
4537 | PUSHs(sv); | |
4538 | RETURN; | |
4539 | } | |
4540 | ||
4541 | PP(pp_shift) | |
4542 | { | |
4543 | dSP; | |
4544 | AV *av = (AV*)POPs; | |
4545 | SV *sv = av_shift(av); | |
4546 | EXTEND(SP, 1); | |
4547 | if (!sv) | |
4548 | RETPUSHUNDEF; | |
4549 | if (AvREAL(av)) | |
4550 | (void)sv_2mortal(sv); | |
4551 | PUSHs(sv); | |
4552 | RETURN; | |
4553 | } | |
4554 | ||
4555 | PP(pp_unshift) | |
4556 | { | |
4557 | dSP; dMARK; dORIGMARK; dTARGET; | |
4558 | register AV *ary = (AV*)*++MARK; | |
4559 | register SV *sv; | |
4560 | register I32 i = 0; | |
4561 | ||
4562 | av_unshift(ary, SP - MARK); | |
4563 | while (MARK < SP) { | |
4564 | sv = NEWSV(27, 0); | |
4565 | sv_setsv(sv, *++MARK); | |
4566 | (void)av_store(ary, i++, sv); | |
4567 | } | |
4568 | ||
4569 | SP = ORIGMARK; | |
4570 | PUSHi( AvFILL(ary) + 1 ); | |
4571 | RETURN; | |
4572 | } | |
4573 | ||
4574 | PP(pp_grepstart) | |
4575 | { | |
4576 | dSP; | |
4577 | SV *src; | |
4578 | ||
4579 | if (stack_base + *markstack_ptr == sp) { | |
4580 | POPMARK; | |
4581 | RETURNOP(op->op_next->op_next); | |
4582 | } | |
4583 | stack_sp = stack_base + *markstack_ptr + 1; | |
4584 | pp_pushmark(); /* push dst */ | |
4585 | pp_pushmark(); /* push src */ | |
4586 | ENTER; /* enter outer scope */ | |
4587 | ||
4588 | SAVETMPS; | |
4589 | SAVESPTR(GvSV(defgv)); | |
4590 | ||
4591 | ENTER; /* enter inner scope */ | |
4592 | SAVESPTR(curpm); | |
4593 | ||
4594 | if (src = stack_base[*markstack_ptr]) { | |
4595 | SvTEMP_off(src); | |
4596 | GvSV(defgv) = src; | |
4597 | } | |
4598 | else | |
4599 | GvSV(defgv) = sv_mortalcopy(&sv_undef); | |
4600 | ||
4601 | RETURNOP(((LOGOP*)op->op_next)->op_other); | |
4602 | } | |
4603 | ||
4604 | PP(pp_grepwhile) | |
4605 | { | |
4606 | dSP; | |
4607 | ||
4608 | if (SvTRUEx(POPs)) | |
4609 | stack_base[markstack_ptr[-1]++] = stack_base[*markstack_ptr]; | |
4610 | ++*markstack_ptr; | |
4611 | LEAVE; /* exit inner scope */ | |
4612 | ||
4613 | /* All done yet? */ | |
4614 | if (stack_base + *markstack_ptr > sp) { | |
4615 | I32 items; | |
4616 | ||
4617 | LEAVE; /* exit outer scope */ | |
4618 | POPMARK; /* pop src */ | |
4619 | items = --*markstack_ptr - markstack_ptr[-1]; | |
4620 | POPMARK; /* pop dst */ | |
4621 | SP = stack_base + POPMARK; /* pop original mark */ | |
4622 | if (GIMME != G_ARRAY) { | |
4623 | dTARGET; | |
4624 | XPUSHi(items); | |
4625 | RETURN; | |
4626 | } | |
4627 | SP += items; | |
4628 | RETURN; | |
4629 | } | |
4630 | else { | |
4631 | SV *src; | |
4632 | ||
4633 | ENTER; /* enter inner scope */ | |
4634 | SAVESPTR(curpm); | |
4635 | ||
4636 | if (src = stack_base[*markstack_ptr]) { | |
4637 | SvTEMP_off(src); | |
4638 | GvSV(defgv) = src; | |
4639 | } | |
4640 | else | |
4641 | GvSV(defgv) = sv_mortalcopy(&sv_undef); | |
4642 | ||
4643 | RETURNOP(cLOGOP->op_other); | |
4644 | } | |
4645 | } | |
4646 | ||
4647 | PP(pp_sort) | |
4648 | { | |
4649 | dSP; dMARK; dORIGMARK; | |
4650 | register SV **up; | |
4651 | SV **myorigmark = ORIGMARK; | |
4652 | register I32 max; | |
4653 | register I32 i; | |
4654 | int sortcmp(); | |
4655 | int sortcv(); | |
4656 | HV *stash; | |
4657 | SV *sortcvvar; | |
4658 | GV *gv; | |
4659 | CV *cv; | |
4660 | ||
4661 | if (GIMME != G_ARRAY) { | |
4662 | SP = MARK; | |
4663 | RETSETUNDEF; | |
4664 | } | |
4665 | ||
4666 | if (op->op_flags & OPf_STACKED) { | |
4667 | if (op->op_flags & OPf_SPECIAL) { | |
4668 | OP *kid = cLISTOP->op_first->op_sibling; /* pass pushmark */ | |
4669 | kid = kUNOP->op_first; /* pass rv2gv */ | |
4670 | kid = kUNOP->op_first; /* pass leave */ | |
4671 | sortcop = kid->op_next; | |
4672 | stash = curcop->cop_stash; | |
4673 | } | |
4674 | else { | |
4675 | cv = sv_2cv(*++MARK, &stash, &gv, 0); | |
4676 | if (!cv) { | |
4677 | if (gv) { | |
4678 | SV *tmpstr = sv_mortalcopy(&sv_undef); | |
4679 | gv_efullname(tmpstr, gv); | |
4680 | DIE("Undefined sort subroutine \"%s\" called", | |
4681 | SvPV(tmpstr)); | |
4682 | } | |
4683 | DIE("Undefined subroutine in sort"); | |
4684 | } | |
4685 | sortcop = CvSTART(cv); | |
4686 | SAVESPTR(CvROOT(cv)->op_ppaddr); | |
4687 | CvROOT(cv)->op_ppaddr = ppaddr[OP_NULL]; | |
4688 | } | |
4689 | } | |
4690 | else { | |
4691 | sortcop = Nullop; | |
4692 | stash = curcop->cop_stash; | |
4693 | } | |
4694 | ||
4695 | up = myorigmark + 1; | |
4696 | while (MARK < SP) { /* This may or may not shift down one here. */ | |
4697 | /*SUPPRESS 560*/ | |
4698 | if (*up = *++MARK) { /* Weed out nulls. */ | |
4699 | if (!SvPOK(*up)) | |
4700 | (void)sv_2pv(*up); | |
4701 | else | |
4702 | SvTEMP_off(*up); | |
4703 | up++; | |
4704 | } | |
4705 | } | |
4706 | max = --up - myorigmark; | |
4707 | if (max > 1) { | |
4708 | if (sortcop) { | |
4709 | AV *oldstack; | |
4710 | ||
4711 | ENTER; | |
4712 | SAVETMPS; | |
4713 | SAVESPTR(op); | |
4714 | ||
4715 | oldstack = stack; | |
4716 | if (!sortstack) { | |
4717 | sortstack = newAV(); | |
4718 | av_store(sortstack, 32, Nullsv); | |
4719 | av_clear(sortstack); | |
4720 | AvREAL_off(sortstack); | |
4721 | } | |
4722 | SWITCHSTACK(stack, sortstack); | |
4723 | if (sortstash != stash) { | |
4724 | firstgv = gv_fetchpv("a", TRUE); | |
4725 | secondgv = gv_fetchpv("b", TRUE); | |
4726 | sortstash = stash; | |
4727 | } | |
4728 | ||
4729 | SAVESPTR(GvSV(firstgv)); | |
4730 | SAVESPTR(GvSV(secondgv)); | |
4731 | ||
4732 | qsort((char*)(myorigmark+1), max, sizeof(SV*), sortcv); | |
4733 | ||
4734 | SWITCHSTACK(sortstack, oldstack); | |
4735 | ||
4736 | LEAVE; | |
4737 | } | |
4738 | else { | |
4739 | MEXTEND(SP, 20); /* Can't afford stack realloc on signal. */ | |
4740 | qsort((char*)(ORIGMARK+1), max, sizeof(SV*), sortcmp); | |
4741 | } | |
4742 | } | |
4743 | SP = ORIGMARK + max; | |
4744 | RETURN; | |
4745 | } | |
4746 | ||
4747 | PP(pp_reverse) | |
4748 | { | |
4749 | dSP; dMARK; | |
4750 | register SV *tmp; | |
4751 | SV **oldsp = SP; | |
4752 | ||
4753 | if (GIMME == G_ARRAY) { | |
4754 | MARK++; | |
4755 | while (MARK < SP) { | |
4756 | tmp = *MARK; | |
4757 | *MARK++ = *SP; | |
4758 | *SP-- = tmp; | |
4759 | } | |
4760 | SP = oldsp; | |
4761 | } | |
4762 | else { | |
4763 | register char *up; | |
4764 | register char *down; | |
4765 | register I32 tmp; | |
4766 | dTARGET; | |
4767 | ||
4768 | if (SP - MARK > 1) | |
4769 | do_join(TARG, sv_no, MARK, SP); | |
4770 | else | |
4771 | sv_setsv(TARG, *SP); | |
4772 | up = SvPVn(TARG); | |
4773 | if (SvCUR(TARG) > 1) { | |
4774 | down = SvPV(TARG) + SvCUR(TARG) - 1; | |
4775 | while (down > up) { | |
4776 | tmp = *up; | |
4777 | *up++ = *down; | |
4778 | *down-- = tmp; | |
4779 | } | |
4780 | } | |
4781 | SP = MARK + 1; | |
4782 | SETTARG; | |
4783 | } | |
4784 | RETURN; | |
4785 | } | |
4786 | ||
4787 | /* Range stuff. */ | |
4788 | ||
4789 | PP(pp_range) | |
4790 | { | |
4791 | if (GIMME == G_ARRAY) | |
4792 | return cCONDOP->op_true; | |
4793 | return SvTRUEx(PAD_SV(op->op_targ)) ? cCONDOP->op_false : cCONDOP->op_true; | |
4794 | } | |
4795 | ||
4796 | PP(pp_flip) | |
4797 | { | |
4798 | dSP; | |
4799 | ||
4800 | if (GIMME == G_ARRAY) { | |
4801 | RETURNOP(((CONDOP*)cUNOP->op_first)->op_false); | |
4802 | } | |
4803 | else { | |
4804 | dTOPss; | |
4805 | SV *targ = PAD_SV(op->op_targ); | |
4806 | ||
4807 | if ((op->op_private & OPpFLIP_LINENUM) | |
4808 | ? last_in_gv && SvIVn(sv) == GvIO(last_in_gv)->lines | |
4809 | : SvTRUE(sv) ) { | |
4810 | sv_setiv(PAD_SV(cUNOP->op_first->op_targ), 1); | |
4811 | if (op->op_flags & OPf_SPECIAL) { | |
4812 | sv_setiv(targ, 1); | |
4813 | RETURN; | |
4814 | } | |
4815 | else { | |
4816 | sv_setiv(targ, 0); | |
4817 | sp--; | |
4818 | RETURNOP(((CONDOP*)cUNOP->op_first)->op_false); | |
4819 | } | |
4820 | } | |
4821 | sv_setpv(TARG, ""); | |
4822 | SETs(targ); | |
4823 | RETURN; | |
4824 | } | |
4825 | } | |
4826 | ||
4827 | PP(pp_flop) | |
4828 | { | |
4829 | dSP; | |
4830 | ||
4831 | if (GIMME == G_ARRAY) { | |
4832 | dPOPPOPssrl; | |
4833 | register I32 i; | |
4834 | register SV *sv; | |
4835 | I32 max; | |
4836 | ||
4837 | if (SvNIOK(lstr) || !SvPOK(lstr) || | |
4838 | (looks_like_number(lstr) && *SvPV(lstr) != '0') ) { | |
4839 | i = SvIVn(lstr); | |
4840 | max = SvIVn(rstr); | |
4841 | if (max > i) | |
4842 | EXTEND(SP, max - i + 1); | |
4843 | while (i <= max) { | |
4844 | sv = sv_mortalcopy(&sv_no); | |
4845 | sv_setiv(sv,i++); | |
4846 | PUSHs(sv); | |
4847 | } | |
4848 | } | |
4849 | else { | |
4850 | SV *final = sv_mortalcopy(rstr); | |
4851 | char *tmps = SvPVn(final); | |
4852 | ||
4853 | sv = sv_mortalcopy(lstr); | |
4854 | while (!SvNIOK(sv) && SvCUR(sv) <= SvCUR(final) && | |
4855 | strNE(SvPV(sv),tmps) ) { | |
4856 | XPUSHs(sv); | |
4857 | sv = sv_2mortal(newSVsv(sv)); | |
4858 | sv_inc(sv); | |
4859 | } | |
4860 | if (strEQ(SvPV(sv),tmps)) | |
4861 | XPUSHs(sv); | |
4862 | } | |
4863 | } | |
4864 | else { | |
4865 | dTOPss; | |
4866 | SV *targ = PAD_SV(cUNOP->op_first->op_targ); | |
4867 | sv_inc(targ); | |
4868 | if ((op->op_private & OPpFLIP_LINENUM) | |
4869 | ? last_in_gv && SvIVn(sv) == GvIO(last_in_gv)->lines | |
4870 | : SvTRUE(sv) ) { | |
4871 | sv_setiv(PAD_SV(((UNOP*)cUNOP->op_first)->op_first->op_targ), 0); |