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[perl5.git] / pp_ctl.c
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LW
1/* pp_ctl.c
2 *
9607fc9c 3 * Copyright (c) 1991-1997, Larry Wall
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4 *
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
7 *
8 */
9
10/*
11 * Now far ahead the Road has gone,
12 * And I must follow, if I can,
13 * Pursuing it with eager feet,
14 * Until it joins some larger way
15 * Where many paths and errands meet.
16 * And whither then? I cannot say.
17 */
18
19#include "EXTERN.h"
20#include "perl.h"
21
22#ifndef WORD_ALIGN
23#define WORD_ALIGN sizeof(U16)
24#endif
25
54310121 26#define DOCATCH(o) ((CATCH_GET == TRUE) ? docatch(o) : (o))
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PP
27
28static OP *docatch _((OP *o));
a0d0e21e 29static OP *doeval _((int gimme));
fc36a67e 30static OP *dofindlabel _((OP *op, char *label, OP **opstack, OP **oplimit));
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31static void doparseform _((SV *sv));
32static I32 dopoptoeval _((I32 startingblock));
33static I32 dopoptolabel _((char *label));
34static I32 dopoptoloop _((I32 startingblock));
35static I32 dopoptosub _((I32 startingblock));
36static void save_lines _((AV *array, SV *sv));
a0d0e21e 37static int sortcv _((const void *, const void *));
bbce6d69
PP
38static int sortcmp _((const void *, const void *));
39static int sortcmp_locale _((const void *, const void *));
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LW
40
41static I32 sortcxix;
42
43PP(pp_wantarray)
44{
45 dSP;
46 I32 cxix;
47 EXTEND(SP, 1);
48
49 cxix = dopoptosub(cxstack_ix);
50 if (cxix < 0)
51 RETPUSHUNDEF;
52
54310121
PP
53 switch (cxstack[cxix].blk_gimme) {
54 case G_ARRAY:
a0d0e21e 55 RETPUSHYES;
54310121 56 case G_SCALAR:
a0d0e21e 57 RETPUSHNO;
54310121
PP
58 default:
59 RETPUSHUNDEF;
60 }
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61}
62
63PP(pp_regcmaybe)
64{
65 return NORMAL;
66}
67
68PP(pp_regcomp) {
69 dSP;
70 register PMOP *pm = (PMOP*)cLOGOP->op_other;
71 register char *t;
72 SV *tmpstr;
73 STRLEN len;
74
75 tmpstr = POPs;
76 t = SvPV(tmpstr, len);
77
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LW
78 /* JMR: Check against the last compiled regexp */
79 if ( ! pm->op_pmregexp || ! pm->op_pmregexp->precomp
80 || strnNE(pm->op_pmregexp->precomp, t, len)
81 || pm->op_pmregexp->precomp[len]) {
82 if (pm->op_pmregexp) {
83 pregfree(pm->op_pmregexp);
84 pm->op_pmregexp = Null(REGEXP*); /* crucial if regcomp aborts */
85 }
a0d0e21e 86
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87 pm->op_pmflags = pm->op_pmpermflags; /* reset case sensitivity */
88 pm->op_pmregexp = pregcomp(t, t + len, pm);
89 }
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90
91 if (!pm->op_pmregexp->prelen && curpm)
92 pm = curpm;
93 else if (strEQ("\\s+", pm->op_pmregexp->precomp))
94 pm->op_pmflags |= PMf_WHITE;
95
96 if (pm->op_pmflags & PMf_KEEP) {
c90c0ff4 97 pm->op_private &= ~OPpRUNTIME; /* no point compiling again */
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98 hoistmust(pm);
99 cLOGOP->op_first->op_next = op->op_next;
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100 }
101 RETURN;
102}
103
104PP(pp_substcont)
105{
106 dSP;
107 register PMOP *pm = (PMOP*) cLOGOP->op_other;
108 register CONTEXT *cx = &cxstack[cxstack_ix];
109 register SV *dstr = cx->sb_dstr;
110 register char *s = cx->sb_s;
111 register char *m = cx->sb_m;
112 char *orig = cx->sb_orig;
c07a80fd 113 register REGEXP *rx = cx->sb_rx;
a0d0e21e 114
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PP
115 rxres_restore(&cx->sb_rxres, rx);
116
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117 if (cx->sb_iters++) {
118 if (cx->sb_iters > cx->sb_maxiters)
119 DIE("Substitution loop");
120
71be2cbc
PP
121 if (!cx->sb_rxtainted)
122 cx->sb_rxtainted = SvTAINTED(TOPs);
a0d0e21e 123 sv_catsv(dstr, POPs);
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124
125 /* Are we done */
e50aee73 126 if (cx->sb_once || !pregexec(rx, s, cx->sb_strend, orig,
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127 s == m, Nullsv, cx->sb_safebase))
128 {
129 SV *targ = cx->sb_targ;
130 sv_catpvn(dstr, s, cx->sb_strend - s);
748a9306 131
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132 TAINT_IF(cx->sb_rxtainted || rx->exec_tainted);
133
4633a7c4 134 (void)SvOOK_off(targ);
cb0b1708 135 Safefree(SvPVX(targ));
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LW
136 SvPVX(targ) = SvPVX(dstr);
137 SvCUR_set(targ, SvCUR(dstr));
138 SvLEN_set(targ, SvLEN(dstr));
139 SvPVX(dstr) = 0;
140 sv_free(dstr);
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141 (void)SvPOK_only(targ);
142 SvSETMAGIC(targ);
9212bbba 143 SvTAINT(targ);
5cd24f17 144
a0d0e21e 145 PUSHs(sv_2mortal(newSViv((I32)cx->sb_iters - 1)));
4633a7c4 146 LEAVE_SCOPE(cx->sb_oldsave);
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147 POPSUBST(cx);
148 RETURNOP(pm->op_next);
149 }
150 }
151 if (rx->subbase && rx->subbase != orig) {
152 m = s;
153 s = orig;
154 cx->sb_orig = orig = rx->subbase;
155 s = orig + (m - s);
156 cx->sb_strend = s + (cx->sb_strend - m);
157 }
158 cx->sb_m = m = rx->startp[0];
159 sv_catpvn(dstr, s, m-s);
160 cx->sb_s = rx->endp[0];
71be2cbc 161 cx->sb_rxtainted |= rx->exec_tainted;
c90c0ff4 162 rxres_save(&cx->sb_rxres, rx);
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163 RETURNOP(pm->op_pmreplstart);
164}
165
c90c0ff4
PP
166void
167rxres_save(rsp, rx)
168void **rsp;
169REGEXP *rx;
170{
171 UV *p = (UV*)*rsp;
172 U32 i;
173
174 if (!p || p[1] < rx->nparens) {
175 i = 6 + rx->nparens * 2;
176 if (!p)
177 New(501, p, i, UV);
178 else
179 Renew(p, i, UV);
180 *rsp = (void*)p;
181 }
182
183 *p++ = (UV)rx->subbase;
184 rx->subbase = Nullch;
185
186 *p++ = rx->nparens;
187
188 *p++ = (UV)rx->subbeg;
189 *p++ = (UV)rx->subend;
190 for (i = 0; i <= rx->nparens; ++i) {
191 *p++ = (UV)rx->startp[i];
192 *p++ = (UV)rx->endp[i];
193 }
194}
195
196void
197rxres_restore(rsp, rx)
198void **rsp;
199REGEXP *rx;
200{
201 UV *p = (UV*)*rsp;
202 U32 i;
203
204 Safefree(rx->subbase);
205 rx->subbase = (char*)(*p);
206 *p++ = 0;
207
208 rx->nparens = *p++;
209
210 rx->subbeg = (char*)(*p++);
211 rx->subend = (char*)(*p++);
212 for (i = 0; i <= rx->nparens; ++i) {
213 rx->startp[i] = (char*)(*p++);
214 rx->endp[i] = (char*)(*p++);
215 }
216}
217
218void
219rxres_free(rsp)
220void **rsp;
221{
222 UV *p = (UV*)*rsp;
223
224 if (p) {
225 Safefree((char*)(*p));
226 Safefree(p);
227 *rsp = Null(void*);
228 }
229}
230
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231PP(pp_formline)
232{
233 dSP; dMARK; dORIGMARK;
234 register SV *form = *++MARK;
235 register U16 *fpc;
236 register char *t;
237 register char *f;
238 register char *s;
239 register char *send;
240 register I32 arg;
241 register SV *sv;
242 char *item;
243 I32 itemsize;
244 I32 fieldsize;
245 I32 lines = 0;
246 bool chopspace = (strchr(chopset, ' ') != Nullch);
247 char *chophere;
248 char *linemark;
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249 double value;
250 bool gotsome;
251 STRLEN len;
252
55497cff 253 if (!SvMAGICAL(form) || !SvCOMPILED(form)) {
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254 SvREADONLY_off(form);
255 doparseform(form);
256 }
257
258 SvPV_force(formtarget, len);
259 t = SvGROW(formtarget, len + SvCUR(form) + 1); /* XXX SvCUR bad */
260 t += len;
261 f = SvPV(form, len);
262 /* need to jump to the next word */
263 s = f + len + WORD_ALIGN - SvCUR(form) % WORD_ALIGN;
264
265 fpc = (U16*)s;
266
267 for (;;) {
268 DEBUG_f( {
269 char *name = "???";
270 arg = -1;
271 switch (*fpc) {
272 case FF_LITERAL: arg = fpc[1]; name = "LITERAL"; break;
273 case FF_BLANK: arg = fpc[1]; name = "BLANK"; break;
274 case FF_SKIP: arg = fpc[1]; name = "SKIP"; break;
275 case FF_FETCH: arg = fpc[1]; name = "FETCH"; break;
276 case FF_DECIMAL: arg = fpc[1]; name = "DECIMAL"; break;
277
278 case FF_CHECKNL: name = "CHECKNL"; break;
279 case FF_CHECKCHOP: name = "CHECKCHOP"; break;
280 case FF_SPACE: name = "SPACE"; break;
281 case FF_HALFSPACE: name = "HALFSPACE"; break;
282 case FF_ITEM: name = "ITEM"; break;
283 case FF_CHOP: name = "CHOP"; break;
284 case FF_LINEGLOB: name = "LINEGLOB"; break;
285 case FF_NEWLINE: name = "NEWLINE"; break;
286 case FF_MORE: name = "MORE"; break;
287 case FF_LINEMARK: name = "LINEMARK"; break;
288 case FF_END: name = "END"; break;
289 }
290 if (arg >= 0)
760ac839 291 PerlIO_printf(PerlIO_stderr(), "%-16s%ld\n", name, (long) arg);
a0d0e21e 292 else
760ac839 293 PerlIO_printf(PerlIO_stderr(), "%-16s\n", name);
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LW
294 } )
295 switch (*fpc++) {
296 case FF_LINEMARK:
297 linemark = t;
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LW
298 lines++;
299 gotsome = FALSE;
300 break;
301
302 case FF_LITERAL:
303 arg = *fpc++;
304 while (arg--)
305 *t++ = *f++;
306 break;
307
308 case FF_SKIP:
309 f += *fpc++;
310 break;
311
312 case FF_FETCH:
313 arg = *fpc++;
314 f += arg;
315 fieldsize = arg;
316
317 if (MARK < SP)
318 sv = *++MARK;
319 else {
320 sv = &sv_no;
321 if (dowarn)
322 warn("Not enough format arguments");
323 }
324 break;
325
326 case FF_CHECKNL:
327 item = s = SvPV(sv, len);
328 itemsize = len;
329 if (itemsize > fieldsize)
330 itemsize = fieldsize;
331 send = chophere = s + itemsize;
332 while (s < send) {
333 if (*s & ~31)
334 gotsome = TRUE;
335 else if (*s == '\n')
336 break;
337 s++;
338 }
339 itemsize = s - item;
340 break;
341
342 case FF_CHECKCHOP:
343 item = s = SvPV(sv, len);
344 itemsize = len;
345 if (itemsize <= fieldsize) {
346 send = chophere = s + itemsize;
347 while (s < send) {
348 if (*s == '\r') {
349 itemsize = s - item;
350 break;
351 }
352 if (*s++ & ~31)
353 gotsome = TRUE;
354 }
355 }
356 else {
357 itemsize = fieldsize;
358 send = chophere = s + itemsize;
359 while (s < send || (s == send && isSPACE(*s))) {
360 if (isSPACE(*s)) {
361 if (chopspace)
362 chophere = s;
363 if (*s == '\r')
364 break;
365 }
366 else {
367 if (*s & ~31)
368 gotsome = TRUE;
369 if (strchr(chopset, *s))
370 chophere = s + 1;
371 }
372 s++;
373 }
374 itemsize = chophere - item;
375 }
376 break;
377
378 case FF_SPACE:
379 arg = fieldsize - itemsize;
380 if (arg) {
381 fieldsize -= arg;
382 while (arg-- > 0)
383 *t++ = ' ';
384 }
385 break;
386
387 case FF_HALFSPACE:
388 arg = fieldsize - itemsize;
389 if (arg) {
390 arg /= 2;
391 fieldsize -= arg;
392 while (arg-- > 0)
393 *t++ = ' ';
394 }
395 break;
396
397 case FF_ITEM:
398 arg = itemsize;
399 s = item;
400 while (arg--) {
401#if 'z' - 'a' != 25
402 int ch = *t++ = *s++;
403 if (!iscntrl(ch))
404 t[-1] = ' ';
405#else
406 if ( !((*t++ = *s++) & ~31) )
407 t[-1] = ' ';
408#endif
409
410 }
411 break;
412
413 case FF_CHOP:
414 s = chophere;
415 if (chopspace) {
416 while (*s && isSPACE(*s))
417 s++;
418 }
419 sv_chop(sv,s);
420 break;
421
422 case FF_LINEGLOB:
423 item = s = SvPV(sv, len);
424 itemsize = len;
425 if (itemsize) {
426 gotsome = TRUE;
427 send = s + itemsize;
428 while (s < send) {
429 if (*s++ == '\n') {
430 if (s == send)
431 itemsize--;
432 else
433 lines++;
434 }
435 }
436 SvCUR_set(formtarget, t - SvPVX(formtarget));
437 sv_catpvn(formtarget, item, itemsize);
438 SvGROW(formtarget, SvCUR(formtarget) + SvCUR(form) + 1);
439 t = SvPVX(formtarget) + SvCUR(formtarget);
440 }
441 break;
442
443 case FF_DECIMAL:
444 /* If the field is marked with ^ and the value is undefined,
445 blank it out. */
446 arg = *fpc++;
447 if ((arg & 512) && !SvOK(sv)) {
448 arg = fieldsize;
449 while (arg--)
450 *t++ = ' ';
451 break;
452 }
453 gotsome = TRUE;
454 value = SvNV(sv);
bbce6d69 455 /* Formats aren't yet marked for locales, so assume "yes". */
36477c24 456 SET_NUMERIC_LOCAL();
a0d0e21e
LW
457 if (arg & 256) {
458 sprintf(t, "%#*.*f", (int) fieldsize, (int) arg & 255, value);
459 } else {
460 sprintf(t, "%*.0f", (int) fieldsize, value);
461 }
462 t += fieldsize;
463 break;
464
465 case FF_NEWLINE:
466 f++;
467 while (t-- > linemark && *t == ' ') ;
468 t++;
469 *t++ = '\n';
470 break;
471
472 case FF_BLANK:
473 arg = *fpc++;
474 if (gotsome) {
475 if (arg) { /* repeat until fields exhausted? */
476 *t = '\0';
477 SvCUR_set(formtarget, t - SvPVX(formtarget));
478 lines += FmLINES(formtarget);
479 if (lines == 200) {
480 arg = t - linemark;
481 if (strnEQ(linemark, linemark - arg, arg))
482 DIE("Runaway format");
483 }
484 FmLINES(formtarget) = lines;
485 SP = ORIGMARK;
486 RETURNOP(cLISTOP->op_first);
487 }
488 }
489 else {
490 t = linemark;
491 lines--;
492 }
493 break;
494
495 case FF_MORE:
496 if (itemsize) {
497 arg = fieldsize - itemsize;
498 if (arg) {
499 fieldsize -= arg;
500 while (arg-- > 0)
501 *t++ = ' ';
502 }
503 s = t - 3;
504 if (strnEQ(s," ",3)) {
505 while (s > SvPVX(formtarget) && isSPACE(s[-1]))
506 s--;
507 }
508 *s++ = '.';
509 *s++ = '.';
510 *s++ = '.';
511 }
512 break;
513
514 case FF_END:
515 *t = '\0';
516 SvCUR_set(formtarget, t - SvPVX(formtarget));
517 FmLINES(formtarget) += lines;
518 SP = ORIGMARK;
519 RETPUSHYES;
520 }
521 }
522}
523
524PP(pp_grepstart)
525{
526 dSP;
527 SV *src;
528
529 if (stack_base + *markstack_ptr == sp) {
530 (void)POPMARK;
54310121 531 if (GIMME_V == G_SCALAR)
a0d0e21e
LW
532 XPUSHs(&sv_no);
533 RETURNOP(op->op_next->op_next);
534 }
535 stack_sp = stack_base + *markstack_ptr + 1;
536 pp_pushmark(); /* push dst */
537 pp_pushmark(); /* push src */
538 ENTER; /* enter outer scope */
539
540 SAVETMPS;
541 SAVESPTR(GvSV(defgv));
542
543 ENTER; /* enter inner scope */
544 SAVESPTR(curpm);
545
546 src = stack_base[*markstack_ptr];
547 SvTEMP_off(src);
548 GvSV(defgv) = src;
549
550 PUTBACK;
551 if (op->op_type == OP_MAPSTART)
552 pp_pushmark(); /* push top */
553 return ((LOGOP*)op->op_next)->op_other;
554}
555
556PP(pp_mapstart)
557{
558 DIE("panic: mapstart"); /* uses grepstart */
559}
560
561PP(pp_mapwhile)
562{
563 dSP;
564 I32 diff = (sp - stack_base) - *markstack_ptr;
565 I32 count;
566 I32 shift;
567 SV** src;
568 SV** dst;
569
570 ++markstack_ptr[-1];
571 if (diff) {
572 if (diff > markstack_ptr[-1] - markstack_ptr[-2]) {
573 shift = diff - (markstack_ptr[-1] - markstack_ptr[-2]);
574 count = (sp - stack_base) - markstack_ptr[-1] + 2;
575
576 EXTEND(sp,shift);
577 src = sp;
578 dst = (sp += shift);
579 markstack_ptr[-1] += shift;
580 *markstack_ptr += shift;
581 while (--count)
582 *dst-- = *src--;
583 }
584 dst = stack_base + (markstack_ptr[-2] += diff) - 1;
585 ++diff;
586 while (--diff)
587 *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs);
588 }
589 LEAVE; /* exit inner scope */
590
591 /* All done yet? */
592 if (markstack_ptr[-1] > *markstack_ptr) {
593 I32 items;
54310121 594 I32 gimme = GIMME_V;
a0d0e21e
LW
595
596 (void)POPMARK; /* pop top */
597 LEAVE; /* exit outer scope */
598 (void)POPMARK; /* pop src */
599 items = --*markstack_ptr - markstack_ptr[-1];
600 (void)POPMARK; /* pop dst */
601 SP = stack_base + POPMARK; /* pop original mark */
54310121 602 if (gimme == G_SCALAR) {
a0d0e21e
LW
603 dTARGET;
604 XPUSHi(items);
a0d0e21e 605 }
54310121
PP
606 else if (gimme == G_ARRAY)
607 SP += items;
a0d0e21e
LW
608 RETURN;
609 }
610 else {
611 SV *src;
612
613 ENTER; /* enter inner scope */
614 SAVESPTR(curpm);
615
616 src = stack_base[markstack_ptr[-1]];
617 SvTEMP_off(src);
618 GvSV(defgv) = src;
619
620 RETURNOP(cLOGOP->op_other);
621 }
622}
623
624
625PP(pp_sort)
626{
627 dSP; dMARK; dORIGMARK;
628 register SV **up;
629 SV **myorigmark = ORIGMARK;
630 register I32 max;
631 HV *stash;
632 GV *gv;
633 CV *cv;
634 I32 gimme = GIMME;
635 OP* nextop = op->op_next;
636
637 if (gimme != G_ARRAY) {
638 SP = MARK;
639 RETPUSHUNDEF;
640 }
641
642 if (op->op_flags & OPf_STACKED) {
643 ENTER;
644 if (op->op_flags & OPf_SPECIAL) {
645 OP *kid = cLISTOP->op_first->op_sibling; /* pass pushmark */
646 kid = kUNOP->op_first; /* pass rv2gv */
647 kid = kUNOP->op_first; /* pass leave */
648 sortcop = kid->op_next;
649 stash = curcop->cop_stash;
650 }
651 else {
652 cv = sv_2cv(*++MARK, &stash, &gv, 0);
653 if (!(cv && CvROOT(cv))) {
654 if (gv) {
655 SV *tmpstr = sv_newmortal();
e5cf08de 656 gv_efullname3(tmpstr, gv, Nullch);
a0d0e21e
LW
657 if (cv && CvXSUB(cv))
658 DIE("Xsub \"%s\" called in sort", SvPVX(tmpstr));
659 DIE("Undefined sort subroutine \"%s\" called",
660 SvPVX(tmpstr));
661 }
662 if (cv) {
663 if (CvXSUB(cv))
664 DIE("Xsub called in sort");
665 DIE("Undefined subroutine in sort");
666 }
667 DIE("Not a CODE reference in sort");
668 }
669 sortcop = CvSTART(cv);
670 SAVESPTR(CvROOT(cv)->op_ppaddr);
671 CvROOT(cv)->op_ppaddr = ppaddr[OP_NULL];
b3933176 672
a0d0e21e
LW
673 SAVESPTR(curpad);
674 curpad = AvARRAY((AV*)AvARRAY(CvPADLIST(cv))[1]);
675 }
676 }
677 else {
678 sortcop = Nullop;
679 stash = curcop->cop_stash;
680 }
681
682 up = myorigmark + 1;
683 while (MARK < SP) { /* This may or may not shift down one here. */
684 /*SUPPRESS 560*/
685 if (*up = *++MARK) { /* Weed out nulls. */
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686 SvTEMP_off(*up);
687 if (!sortcop && !SvPOK(*up))
a0d0e21e 688 (void)sv_2pv(*up, &na);
a0d0e21e
LW
689 up++;
690 }
691 }
692 max = --up - myorigmark;
693 if (sortcop) {
694 if (max > 1) {
695 AV *oldstack;
696 CONTEXT *cx;
697 SV** newsp;
54310121 698 bool oldcatch = CATCH_GET;
a0d0e21e
LW
699
700 SAVETMPS;
701 SAVESPTR(op);
702
1ce6579f 703 oldstack = curstack;
a0d0e21e
LW
704 if (!sortstack) {
705 sortstack = newAV();
706 AvREAL_off(sortstack);
707 av_extend(sortstack, 32);
708 }
54310121 709 CATCH_SET(TRUE);
1ce6579f 710 SWITCHSTACK(curstack, sortstack);
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LW
711 if (sortstash != stash) {
712 firstgv = gv_fetchpv("a", TRUE, SVt_PV);
713 secondgv = gv_fetchpv("b", TRUE, SVt_PV);
714 sortstash = stash;
715 }
716
717 SAVESPTR(GvSV(firstgv));
718 SAVESPTR(GvSV(secondgv));
b3933176 719
0a753a76 720 PUSHBLOCK(cx, CXt_NULL, stack_base);
b3933176
CS
721 if (!(op->op_flags & OPf_SPECIAL)) {
722 bool hasargs = FALSE;
723 cx->cx_type = CXt_SUB;
724 cx->blk_gimme = G_SCALAR;
725 PUSHSUB(cx);
726 if (!CvDEPTH(cv))
3e3baf6d 727 (void)SvREFCNT_inc(cv); /* in preparation for POPSUB */
b3933176 728 }
a0d0e21e
LW
729 sortcxix = cxstack_ix;
730
731 qsort((char*)(myorigmark+1), max, sizeof(SV*), sortcv);
732
733 POPBLOCK(cx,curpm);
734 SWITCHSTACK(sortstack, oldstack);
54310121 735 CATCH_SET(oldcatch);
a0d0e21e
LW
736 }
737 LEAVE;
738 }
739 else {
740 if (max > 1) {
741 MEXTEND(SP, 20); /* Can't afford stack realloc on signal. */
bbce6d69
PP
742 qsort((char*)(ORIGMARK+1), max, sizeof(SV*),
743 (op->op_private & OPpLOCALE) ? sortcmp_locale : sortcmp);
a0d0e21e
LW
744 }
745 }
746 stack_sp = ORIGMARK + max;
747 return nextop;
748}
749
750/* Range stuff. */
751
752PP(pp_range)
753{
754 if (GIMME == G_ARRAY)
755 return cCONDOP->op_true;
756 return SvTRUEx(PAD_SV(op->op_targ)) ? cCONDOP->op_false : cCONDOP->op_true;
757}
758
759PP(pp_flip)
760{
761 dSP;
762
763 if (GIMME == G_ARRAY) {
764 RETURNOP(((CONDOP*)cUNOP->op_first)->op_false);
765 }
766 else {
767 dTOPss;
768 SV *targ = PAD_SV(op->op_targ);
769
770 if ((op->op_private & OPpFLIP_LINENUM)
771 ? last_in_gv && SvIV(sv) == IoLINES(GvIOp(last_in_gv))
772 : SvTRUE(sv) ) {
773 sv_setiv(PAD_SV(cUNOP->op_first->op_targ), 1);
774 if (op->op_flags & OPf_SPECIAL) {
775 sv_setiv(targ, 1);
3e3baf6d 776 SETs(targ);
a0d0e21e
LW
777 RETURN;
778 }
779 else {
780 sv_setiv(targ, 0);
781 sp--;
782 RETURNOP(((CONDOP*)cUNOP->op_first)->op_false);
783 }
784 }
785 sv_setpv(TARG, "");
786 SETs(targ);
787 RETURN;
788 }
789}
790
791PP(pp_flop)
792{
793 dSP;
794
795 if (GIMME == G_ARRAY) {
796 dPOPPOPssrl;
797 register I32 i;
798 register SV *sv;
799 I32 max;
800
4633a7c4 801 if (SvNIOKp(left) || !SvPOKp(left) ||
bbce6d69
PP
802 (looks_like_number(left) && *SvPVX(left) != '0') )
803 {
a0d0e21e
LW
804 i = SvIV(left);
805 max = SvIV(right);
bbce6d69
PP
806 if (max >= i) {
807 EXTEND_MORTAL(max - i + 1);
a0d0e21e 808 EXTEND(SP, max - i + 1);
bbce6d69 809 }
a0d0e21e 810 while (i <= max) {
bbce6d69 811 sv = sv_2mortal(newSViv(i++));
a0d0e21e
LW
812 PUSHs(sv);
813 }
814 }
815 else {
816 SV *final = sv_mortalcopy(right);
817 STRLEN len;
818 char *tmps = SvPV(final, len);
819
820 sv = sv_mortalcopy(left);
4633a7c4 821 while (!SvNIOKp(sv) && SvCUR(sv) <= len &&
a0d0e21e
LW
822 strNE(SvPVX(sv),tmps) ) {
823 XPUSHs(sv);
824 sv = sv_2mortal(newSVsv(sv));
825 sv_inc(sv);
826 }
827 if (strEQ(SvPVX(sv),tmps))
828 XPUSHs(sv);
829 }
830 }
831 else {
832 dTOPss;
833 SV *targ = PAD_SV(cUNOP->op_first->op_targ);
834 sv_inc(targ);
835 if ((op->op_private & OPpFLIP_LINENUM)
836 ? last_in_gv && SvIV(sv) == IoLINES(GvIOp(last_in_gv))
837 : SvTRUE(sv) ) {
838 sv_setiv(PAD_SV(((UNOP*)cUNOP->op_first)->op_first->op_targ), 0);
839 sv_catpv(targ, "E0");
840 }
841 SETs(targ);
842 }
843
844 RETURN;
845}
846
847/* Control. */
848
849static I32
850dopoptolabel(label)
851char *label;
852{
853 register I32 i;
854 register CONTEXT *cx;
855
856 for (i = cxstack_ix; i >= 0; i--) {
857 cx = &cxstack[i];
858 switch (cx->cx_type) {
859 case CXt_SUBST:
860 if (dowarn)
861 warn("Exiting substitution via %s", op_name[op->op_type]);
862 break;
863 case CXt_SUB:
864 if (dowarn)
865 warn("Exiting subroutine via %s", op_name[op->op_type]);
866 break;
867 case CXt_EVAL:
868 if (dowarn)
869 warn("Exiting eval via %s", op_name[op->op_type]);
870 break;
0a753a76
PP
871 case CXt_NULL:
872 if (dowarn)
873 warn("Exiting pseudo-block via %s", op_name[op->op_type]);
874 return -1;
a0d0e21e
LW
875 case CXt_LOOP:
876 if (!cx->blk_loop.label ||
877 strNE(label, cx->blk_loop.label) ) {
68dc0745
PP
878 DEBUG_l(deb("(Skipping label #%ld %s)\n",
879 (long)i, cx->blk_loop.label));
a0d0e21e
LW
880 continue;
881 }
68dc0745 882 DEBUG_l( deb("(Found label #%ld %s)\n", (long)i, label));
a0d0e21e
LW
883 return i;
884 }
885 }
886 return i;
887}
888
e50aee73
AD
889I32
890dowantarray()
891{
54310121
PP
892 I32 gimme = block_gimme();
893 return (gimme == G_VOID) ? G_SCALAR : gimme;
894}
895
896I32
897block_gimme()
898{
e50aee73
AD
899 I32 cxix;
900
901 cxix = dopoptosub(cxstack_ix);
902 if (cxix < 0)
46fc3d4c 903 return G_VOID;
e50aee73 904
54310121
PP
905 switch (cxstack[cxix].blk_gimme) {
906 case G_VOID:
907 return G_VOID;
908 case G_SCALAR:
e50aee73 909 return G_SCALAR;
54310121
PP
910 case G_ARRAY:
911 return G_ARRAY;
912 default:
913 croak("panic: bad gimme: %d\n", cxstack[cxix].blk_gimme);
914 }
e50aee73
AD
915}
916
a0d0e21e
LW
917static I32
918dopoptosub(startingblock)
919I32 startingblock;
920{
921 I32 i;
922 register CONTEXT *cx;
923 for (i = startingblock; i >= 0; i--) {
924 cx = &cxstack[i];
925 switch (cx->cx_type) {
926 default:
927 continue;
928 case CXt_EVAL:
929 case CXt_SUB:
68dc0745 930 DEBUG_l( deb("(Found sub #%ld)\n", (long)i));
a0d0e21e
LW
931 return i;
932 }
933 }
934 return i;
935}
936
937static I32
938dopoptoeval(startingblock)
939I32 startingblock;
940{
941 I32 i;
942 register CONTEXT *cx;
943 for (i = startingblock; i >= 0; i--) {
944 cx = &cxstack[i];
945 switch (cx->cx_type) {
946 default:
947 continue;
948 case CXt_EVAL:
68dc0745 949 DEBUG_l( deb("(Found eval #%ld)\n", (long)i));
a0d0e21e
LW
950 return i;
951 }
952 }
953 return i;
954}
955
956static I32
957dopoptoloop(startingblock)
958I32 startingblock;
959{
960 I32 i;
961 register CONTEXT *cx;
962 for (i = startingblock; i >= 0; i--) {
963 cx = &cxstack[i];
964 switch (cx->cx_type) {
965 case CXt_SUBST:
966 if (dowarn)
5f05dabc 967 warn("Exiting substitution via %s", op_name[op->op_type]);
a0d0e21e
LW
968 break;
969 case CXt_SUB:
970 if (dowarn)
971 warn("Exiting subroutine via %s", op_name[op->op_type]);
972 break;
973 case CXt_EVAL:
974 if (dowarn)
975 warn("Exiting eval via %s", op_name[op->op_type]);
976 break;
0a753a76
PP
977 case CXt_NULL:
978 if (dowarn)
979 warn("Exiting pseudo-block via %s", op_name[op->op_type]);
980 return -1;
a0d0e21e 981 case CXt_LOOP:
68dc0745 982 DEBUG_l( deb("(Found loop #%ld)\n", (long)i));
a0d0e21e
LW
983 return i;
984 }
985 }
986 return i;
987}
988
989void
990dounwind(cxix)
991I32 cxix;
992{
993 register CONTEXT *cx;
994 SV **newsp;
995 I32 optype;
996
997 while (cxstack_ix > cxix) {
c90c0ff4
PP
998 cx = &cxstack[cxstack_ix];
999 DEBUG_l(PerlIO_printf(Perl_debug_log, "Unwinding block %ld, type %s\n",
1000 (long) cxstack_ix+1, block_type[cx->cx_type]));
a0d0e21e
LW
1001 /* Note: we don't need to restore the base context info till the end. */
1002 switch (cx->cx_type) {
c90c0ff4
PP
1003 case CXt_SUBST:
1004 POPSUBST(cx);
1005 continue; /* not break */
a0d0e21e
LW
1006 case CXt_SUB:
1007 POPSUB(cx);
1008 break;
1009 case CXt_EVAL:
1010 POPEVAL(cx);
1011 break;
1012 case CXt_LOOP:
1013 POPLOOP(cx);
1014 break;
0a753a76 1015 case CXt_NULL:
a0d0e21e
LW
1016 break;
1017 }
c90c0ff4 1018 cxstack_ix--;
a0d0e21e
LW
1019 }
1020}
1021
a0d0e21e
LW
1022OP *
1023die_where(message)
1024char *message;
1025{
1026 if (in_eval) {
1027 I32 cxix;
1028 register CONTEXT *cx;
1029 I32 gimme;
1030 SV **newsp;
1031
4633a7c4
LW
1032 if (in_eval & 4) {
1033 SV **svp;
1034 STRLEN klen = strlen(message);
1035
1036 svp = hv_fetch(GvHV(errgv), message, klen, TRUE);
1037 if (svp) {
1038 if (!SvIOK(*svp)) {
1039 static char prefix[] = "\t(in cleanup) ";
1040 sv_upgrade(*svp, SVt_IV);
1041 (void)SvIOK_only(*svp);
1042 SvGROW(GvSV(errgv), SvCUR(GvSV(errgv))+sizeof(prefix)+klen);
1043 sv_catpvn(GvSV(errgv), prefix, sizeof(prefix)-1);
1044 sv_catpvn(GvSV(errgv), message, klen);
1045 }
1046 sv_inc(*svp);
1047 }
1048 }
1049 else
c07a80fd 1050 sv_setpv(GvSV(errgv), message);
4633a7c4 1051
a0d0e21e
LW
1052 cxix = dopoptoeval(cxstack_ix);
1053 if (cxix >= 0) {
1054 I32 optype;
1055
1056 if (cxix < cxstack_ix)
1057 dounwind(cxix);
1058
1059 POPBLOCK(cx,curpm);
1060 if (cx->cx_type != CXt_EVAL) {
760ac839 1061 PerlIO_printf(PerlIO_stderr(), "panic: die %s", message);
a0d0e21e
LW
1062 my_exit(1);
1063 }
1064 POPEVAL(cx);
1065
1066 if (gimme == G_SCALAR)
1067 *++newsp = &sv_undef;
1068 stack_sp = newsp;
1069
1070 LEAVE;
748a9306 1071
7a2e2cd6
PP
1072 if (optype == OP_REQUIRE) {
1073 char* msg = SvPVx(GvSV(errgv), na);
1074 DIE("%s", *msg ? msg : "Compilation failed in require");
1075 }
a0d0e21e
LW
1076 return pop_return();
1077 }
1078 }
760ac839
LW
1079 PerlIO_printf(PerlIO_stderr(), "%s",message);
1080 PerlIO_flush(PerlIO_stderr());
f86702cc
PP
1081 my_failure_exit();
1082 /* NOTREACHED */
a0d0e21e
LW
1083 return 0;
1084}
1085
1086PP(pp_xor)
1087{
1088 dSP; dPOPTOPssrl;
1089 if (SvTRUE(left) != SvTRUE(right))
1090 RETSETYES;
1091 else
1092 RETSETNO;
1093}
1094
1095PP(pp_andassign)
1096{
1097 dSP;
1098 if (!SvTRUE(TOPs))
1099 RETURN;
1100 else
1101 RETURNOP(cLOGOP->op_other);
1102}
1103
1104PP(pp_orassign)
1105{
1106 dSP;
1107 if (SvTRUE(TOPs))
1108 RETURN;
1109 else
1110 RETURNOP(cLOGOP->op_other);
1111}
1112
1113#ifdef DEPRECATED
1114PP(pp_entersubr)
1115{
1116 dSP;
1117 SV** mark = (stack_base + *markstack_ptr + 1);
1118 SV* cv = *mark;
1119 while (mark < sp) { /* emulate old interface */
1120 *mark = mark[1];
1121 mark++;
1122 }
1123 *sp = cv;
1124 return pp_entersub();
1125}
1126#endif
1127
1128PP(pp_caller)
1129{
1130 dSP;
1131 register I32 cxix = dopoptosub(cxstack_ix);
1132 register CONTEXT *cx;
1133 I32 dbcxix;
54310121 1134 I32 gimme;
a0d0e21e
LW
1135 SV *sv;
1136 I32 count = 0;
1137
1138 if (MAXARG)
1139 count = POPi;
1140 EXTEND(SP, 6);
1141 for (;;) {
1142 if (cxix < 0) {
1143 if (GIMME != G_ARRAY)
1144 RETPUSHUNDEF;
1145 RETURN;
1146 }
1147 if (DBsub && cxix >= 0 &&
1148 cxstack[cxix].blk_sub.cv == GvCV(DBsub))
1149 count++;
1150 if (!count--)
1151 break;
1152 cxix = dopoptosub(cxix - 1);
1153 }
1154 cx = &cxstack[cxix];
06a5b730
PP
1155 if (cxstack[cxix].cx_type == CXt_SUB) {
1156 dbcxix = dopoptosub(cxix - 1);
1157 /* We expect that cxstack[dbcxix] is CXt_SUB, anyway, the
1158 field below is defined for any cx. */
1159 if (DBsub && dbcxix >= 0 && cxstack[dbcxix].blk_sub.cv == GvCV(DBsub))
1160 cx = &cxstack[dbcxix];
1161 }
1162
a0d0e21e
LW
1163 if (GIMME != G_ARRAY) {
1164 dTARGET;
1165
1166 sv_setpv(TARG, HvNAME(cx->blk_oldcop->cop_stash));
1167 PUSHs(TARG);
1168 RETURN;
1169 }
a0d0e21e
LW
1170
1171 PUSHs(sv_2mortal(newSVpv(HvNAME(cx->blk_oldcop->cop_stash), 0)));
1172 PUSHs(sv_2mortal(newSVpv(SvPVX(GvSV(cx->blk_oldcop->cop_filegv)), 0)));
1173 PUSHs(sv_2mortal(newSViv((I32)cx->blk_oldcop->cop_line)));
1174 if (!MAXARG)
1175 RETURN;
06a5b730 1176 if (cx->cx_type == CXt_SUB) { /* So is cxstack[dbcxix]. */
a0d0e21e 1177 sv = NEWSV(49, 0);
e5cf08de 1178 gv_efullname3(sv, CvGV(cxstack[cxix].blk_sub.cv), Nullch);
a0d0e21e
LW
1179 PUSHs(sv_2mortal(sv));
1180 PUSHs(sv_2mortal(newSViv((I32)cx->blk_sub.hasargs)));
1181 }
1182 else {
1183 PUSHs(sv_2mortal(newSVpv("(eval)",0)));
1184 PUSHs(sv_2mortal(newSViv(0)));
1185 }
54310121
PP
1186 gimme = (I32)cx->blk_gimme;
1187 if (gimme == G_VOID)
1188 PUSHs(&sv_undef);
1189 else
1190 PUSHs(sv_2mortal(newSViv(gimme & G_ARRAY)));
4633a7c4 1191 if (cx->cx_type == CXt_EVAL) {
06a5b730 1192 if (cx->blk_eval.old_op_type == OP_ENTEREVAL) {
4633a7c4 1193 PUSHs(cx->blk_eval.cur_text);
06a5b730
PP
1194 PUSHs(&sv_no);
1195 }
1196 else if (cx->blk_eval.old_name) { /* Try blocks have old_name == 0. */
1197 /* Require, put the name. */
1198 PUSHs(sv_2mortal(newSVpv(cx->blk_eval.old_name, 0)));
1199 PUSHs(&sv_yes);
1200 }
4633a7c4
LW
1201 }
1202 else if (cx->cx_type == CXt_SUB &&
1203 cx->blk_sub.hasargs &&
1204 curcop->cop_stash == debstash)
1205 {
a0d0e21e
LW
1206 AV *ary = cx->blk_sub.argarray;
1207 int off = AvARRAY(ary) - AvALLOC(ary);
1208
1209 if (!dbargs) {
1210 GV* tmpgv;
1211 dbargs = GvAV(gv_AVadd(tmpgv = gv_fetchpv("DB::args", TRUE,
1212 SVt_PVAV)));
a5f75d66 1213 GvMULTI_on(tmpgv);
a0d0e21e
LW
1214 AvREAL_off(dbargs); /* XXX Should be REIFY */
1215 }
1216
1217 if (AvMAX(dbargs) < AvFILL(ary) + off)
1218 av_extend(dbargs, AvFILL(ary) + off);
1219 Copy(AvALLOC(ary), AvARRAY(dbargs), AvFILL(ary) + 1 + off, SV*);
1220 AvFILL(dbargs) = AvFILL(ary) + off;
1221 }
1222 RETURN;
1223}
1224
1225static int
1226sortcv(a, b)
1227const void *a;
1228const void *b;
1229{
9607fc9c
PP
1230 SV * const *str1 = (SV * const *)a;
1231 SV * const *str2 = (SV * const *)b;
748a9306 1232 I32 oldsaveix = savestack_ix;
a0d0e21e
LW
1233 I32 oldscopeix = scopestack_ix;
1234 I32 result;
1235 GvSV(firstgv) = *str1;
1236 GvSV(secondgv) = *str2;
1237 stack_sp = stack_base;
1238 op = sortcop;
a6c477ed 1239 runops();
a0d0e21e
LW
1240 if (stack_sp != stack_base + 1)
1241 croak("Sort subroutine didn't return single value");
748a9306 1242 if (!SvNIOKp(*stack_sp))
a0d0e21e
LW
1243 croak("Sort subroutine didn't return a numeric value");
1244 result = SvIV(*stack_sp);
1245 while (scopestack_ix > oldscopeix) {
1246 LEAVE;
1247 }
748a9306 1248 leave_scope(oldsaveix);
a0d0e21e
LW
1249 return result;
1250}
1251
1252static int
1253sortcmp(a, b)
1254const void *a;
1255const void *b;
1256{
9607fc9c 1257 return sv_cmp(*(SV * const *)a, *(SV * const *)b);
bbce6d69 1258}
e5cf08de 1259
bbce6d69
PP
1260static int
1261sortcmp_locale(a, b)
1262const void *a;
1263const void *b;
1264{
9607fc9c 1265 return sv_cmp_locale(*(SV * const *)a, *(SV * const *)b);
a0d0e21e
LW
1266}
1267
1268PP(pp_reset)
1269{
1270 dSP;
1271 char *tmps;
1272
1273 if (MAXARG < 1)
1274 tmps = "";
1275 else
1276 tmps = POPp;
1277 sv_reset(tmps, curcop->cop_stash);
1278 PUSHs(&sv_yes);
1279 RETURN;
1280}
1281
1282PP(pp_lineseq)
1283{
1284 return NORMAL;
1285}
1286
1287PP(pp_dbstate)
1288{
1289 curcop = (COP*)op;
1290 TAINT_NOT; /* Each statement is presumed innocent */
1291 stack_sp = stack_base + cxstack[cxstack_ix].blk_oldsp;
1292 FREETMPS;
1293
1294 if (op->op_private || SvIV(DBsingle) || SvIV(DBsignal) || SvIV(DBtrace))
1295 {
1296 SV **sp;
1297 register CV *cv;
1298 register CONTEXT *cx;
748a9306 1299 I32 gimme = G_ARRAY;
a0d0e21e
LW
1300 I32 hasargs;
1301 GV *gv;
1302
a0d0e21e
LW
1303 gv = DBgv;
1304 cv = GvCV(gv);
a0d0e21e
LW
1305 if (!cv)
1306 DIE("No DB::DB routine defined");
1307
06a5b730 1308 if (CvDEPTH(cv) >= 1 && !(debug & (1<<30))) /* don't do recursive DB::DB call */
a0d0e21e 1309 return NORMAL;
748a9306 1310
4633a7c4
LW
1311 ENTER;
1312 SAVETMPS;
1313
748a9306 1314 SAVEI32(debug);
55497cff 1315 SAVESTACK_POS();
748a9306
LW
1316 debug = 0;
1317 hasargs = 0;
1318 sp = stack_sp;
1319
a0d0e21e 1320 push_return(op->op_next);
748a9306 1321 PUSHBLOCK(cx, CXt_SUB, sp);
a0d0e21e
LW
1322 PUSHSUB(cx);
1323 CvDEPTH(cv)++;
1324 (void)SvREFCNT_inc(cv);
1325 SAVESPTR(curpad);
1326 curpad = AvARRAY((AV*)*av_fetch(CvPADLIST(cv),1,FALSE));
1327 RETURNOP(CvSTART(cv));
1328 }
1329 else
1330 return NORMAL;
1331}
1332
1333PP(pp_scope)
1334{
1335 return NORMAL;
1336}
1337
1338PP(pp_enteriter)
1339{
1340 dSP; dMARK;
1341 register CONTEXT *cx;
54310121 1342 I32 gimme = GIMME_V;
a0d0e21e
LW
1343 SV **svp;
1344
4633a7c4
LW
1345 ENTER;
1346 SAVETMPS;
1347
a0d0e21e
LW
1348 if (op->op_targ)
1349 svp = &curpad[op->op_targ]; /* "my" variable */
1350 else
1351 svp = &GvSV((GV*)POPs); /* symbol table variable */
1352
4633a7c4
LW
1353 SAVESPTR(*svp);
1354
a0d0e21e
LW
1355 ENTER;
1356
1357 PUSHBLOCK(cx, CXt_LOOP, SP);
1358 PUSHLOOP(cx, svp, MARK);
44a8e56a
PP
1359 if (op->op_flags & OPf_STACKED)
1360 cx->blk_loop.iterary = (AV*)SvREFCNT_inc(POPs);
4633a7c4 1361 else {
1ce6579f
PP
1362 cx->blk_loop.iterary = curstack;
1363 AvFILL(curstack) = sp - stack_base;
4633a7c4
LW
1364 cx->blk_loop.iterix = MARK - stack_base;
1365 }
a0d0e21e
LW
1366
1367 RETURN;
1368}
1369
1370PP(pp_enterloop)
1371{
1372 dSP;
1373 register CONTEXT *cx;
54310121 1374 I32 gimme = GIMME_V;
a0d0e21e
LW
1375
1376 ENTER;
1377 SAVETMPS;
1378 ENTER;
1379
1380 PUSHBLOCK(cx, CXt_LOOP, SP);
1381 PUSHLOOP(cx, 0, SP);
1382
1383 RETURN;
1384}
1385
1386PP(pp_leaveloop)
1387{
1388 dSP;
1389 register CONTEXT *cx;
f86702cc 1390 struct block_loop cxloop;
a0d0e21e
LW
1391 I32 gimme;
1392 SV **newsp;
1393 PMOP *newpm;
1394 SV **mark;
1395
1396 POPBLOCK(cx,newpm);
4fdae800 1397 mark = newsp;
f86702cc
PP
1398 POPLOOP1(cx); /* Delay POPLOOP2 until stack values are safe */
1399
a1f49e72 1400 TAINT_NOT;
54310121
PP
1401 if (gimme == G_VOID)
1402 ; /* do nothing */
1403 else if (gimme == G_SCALAR) {
1404 if (mark < SP)
1405 *++newsp = sv_mortalcopy(*SP);
1406 else
1407 *++newsp = &sv_undef;
a0d0e21e
LW
1408 }
1409 else {
a1f49e72 1410 while (mark < SP) {
a0d0e21e 1411 *++newsp = sv_mortalcopy(*++mark);
a1f49e72
CS
1412 TAINT_NOT; /* Each item is independent */
1413 }
a0d0e21e 1414 }
f86702cc
PP
1415 SP = newsp;
1416 PUTBACK;
1417
1418 POPLOOP2(); /* Stack values are safe: release loop vars ... */
1419 curpm = newpm; /* ... and pop $1 et al */
1420
a0d0e21e
LW
1421 LEAVE;
1422 LEAVE;
1423
f86702cc 1424 return NORMAL;
a0d0e21e
LW
1425}
1426
1427PP(pp_return)
1428{
1429 dSP; dMARK;
1430 I32 cxix;
1431 register CONTEXT *cx;
f86702cc
PP
1432 struct block_sub cxsub;
1433 bool popsub2 = FALSE;
a0d0e21e
LW
1434 I32 gimme;
1435 SV **newsp;
1436 PMOP *newpm;
1437 I32 optype = 0;
1438
1ce6579f 1439 if (curstack == sortstack) {
b3933176 1440 if (cxstack_ix == sortcxix || dopoptosub(cxstack_ix) <= sortcxix) {
16d20bd9
AD
1441 if (cxstack_ix > sortcxix)
1442 dounwind(sortcxix);
1ce6579f 1443 AvARRAY(curstack)[1] = *SP;
a0d0e21e
LW
1444 stack_sp = stack_base + 1;
1445 return 0;
1446 }
1447 }
1448
1449 cxix = dopoptosub(cxstack_ix);
1450 if (cxix < 0)
1451 DIE("Can't return outside a subroutine");
1452 if (cxix < cxstack_ix)
1453 dounwind(cxix);
1454
1455 POPBLOCK(cx,newpm);
1456 switch (cx->cx_type) {
1457 case CXt_SUB:
f86702cc
PP
1458 POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */
1459 popsub2 = TRUE;
a0d0e21e
LW
1460 break;
1461 case CXt_EVAL:
1462 POPEVAL(cx);
748a9306
LW
1463 if (optype == OP_REQUIRE &&
1464 (MARK == SP || (gimme == G_SCALAR && !SvTRUE(*SP))) )
1465 {
54310121 1466 /* Unassume the success we assumed earlier. */
748a9306
LW
1467 char *name = cx->blk_eval.old_name;
1468 (void)hv_delete(GvHVn(incgv), name, strlen(name), G_DISCARD);
1469 DIE("%s did not return a true value", name);
1470 }
a0d0e21e
LW
1471 break;
1472 default:
1473 DIE("panic: return");
a0d0e21e
LW
1474 }
1475
a1f49e72 1476 TAINT_NOT;
a0d0e21e
LW
1477 if (gimme == G_SCALAR) {
1478 if (MARK < SP)
f86702cc
PP
1479 *++newsp = (popsub2 && SvTEMP(*SP))
1480 ? *SP : sv_mortalcopy(*SP);
a0d0e21e
LW
1481 else
1482 *++newsp = &sv_undef;
a0d0e21e 1483 }
54310121 1484 else if (gimme == G_ARRAY) {
a1f49e72 1485 while (++MARK <= SP) {
f86702cc
PP
1486 *++newsp = (popsub2 && SvTEMP(*MARK))
1487 ? *MARK : sv_mortalcopy(*MARK);
a1f49e72
CS
1488 TAINT_NOT; /* Each item is independent */
1489 }
a0d0e21e 1490 }
a0d0e21e
LW
1491 stack_sp = newsp;
1492
f86702cc
PP
1493 /* Stack values are safe: */
1494 if (popsub2) {
1495 POPSUB2(); /* release CV and @_ ... */
1496 }
1497 curpm = newpm; /* ... and pop $1 et al */
1498
a0d0e21e
LW
1499 LEAVE;
1500 return pop_return();
1501}
1502
1503PP(pp_last)
1504{
1505 dSP;
1506 I32 cxix;
1507 register CONTEXT *cx;
f86702cc
PP
1508 struct block_loop cxloop;
1509 struct block_sub cxsub;
1510 I32 pop2 = 0;
a0d0e21e
LW
1511 I32 gimme;
1512 I32 optype;
1513 OP *nextop;
1514 SV **newsp;
1515 PMOP *newpm;
1516 SV **mark = stack_base + cxstack[cxstack_ix].blk_oldsp;
a0d0e21e
LW
1517
1518 if (op->op_flags & OPf_SPECIAL) {
1519 cxix = dopoptoloop(cxstack_ix);
1520 if (cxix < 0)
1521 DIE("Can't \"last\" outside a block");
1522 }
1523 else {
1524 cxix = dopoptolabel(cPVOP->op_pv);
1525 if (cxix < 0)
1526 DIE("Label not found for \"last %s\"", cPVOP->op_pv);
1527 }
1528 if (cxix < cxstack_ix)
1529 dounwind(cxix);
1530
1531 POPBLOCK(cx,newpm);
1532 switch (cx->cx_type) {
1533 case CXt_LOOP:
f86702cc
PP
1534 POPLOOP1(cx); /* Delay POPLOOP2 until stack values are safe */
1535 pop2 = CXt_LOOP;
4fdae800 1536 nextop = cxloop.last_op->op_next;
a0d0e21e 1537 break;
f86702cc
PP
1538 case CXt_SUB:
1539 POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */
1540 pop2 = CXt_SUB;
a0d0e21e
LW
1541 nextop = pop_return();
1542 break;
f86702cc
PP
1543 case CXt_EVAL:
1544 POPEVAL(cx);
a0d0e21e
LW
1545 nextop = pop_return();
1546 break;
1547 default:
1548 DIE("panic: last");
a0d0e21e
LW
1549 }
1550
a1f49e72 1551 TAINT_NOT;
a0d0e21e 1552 if (gimme == G_SCALAR) {
f86702cc
PP
1553 if (MARK < SP)
1554 *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*SP))
1555 ? *SP : sv_mortalcopy(*SP);
a0d0e21e
LW
1556 else
1557 *++newsp = &sv_undef;
1558 }
54310121 1559 else if (gimme == G_ARRAY) {
a1f49e72 1560 while (++MARK <= SP) {
f86702cc
PP
1561 *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*MARK))
1562 ? *MARK : sv_mortalcopy(*MARK);
a1f49e72
CS
1563 TAINT_NOT; /* Each item is independent */
1564 }
f86702cc
PP
1565 }
1566 SP = newsp;
1567 PUTBACK;
1568
1569 /* Stack values are safe: */
1570 switch (pop2) {
1571 case CXt_LOOP:
1572 POPLOOP2(); /* release loop vars ... */
4fdae800 1573 LEAVE;
f86702cc
PP
1574 break;
1575 case CXt_SUB:
1576 POPSUB2(); /* release CV and @_ ... */
1577 break;
a0d0e21e 1578 }
f86702cc 1579 curpm = newpm; /* ... and pop $1 et al */
a0d0e21e
LW
1580
1581 LEAVE;
f86702cc 1582 return nextop;
a0d0e21e
LW
1583}
1584
1585PP(pp_next)
1586{
1587 I32 cxix;
1588 register CONTEXT *cx;
1589 I32 oldsave;
1590
1591 if (op->op_flags & OPf_SPECIAL) {
1592 cxix = dopoptoloop(cxstack_ix);
1593 if (cxix < 0)
1594 DIE("Can't \"next\" outside a block");
1595 }
1596 else {
1597 cxix = dopoptolabel(cPVOP->op_pv);
1598 if (cxix < 0)
1599 DIE("Label not found for \"next %s\"", cPVOP->op_pv);
1600 }
1601 if (cxix < cxstack_ix)
1602 dounwind(cxix);
1603
1604 TOPBLOCK(cx);
1605 oldsave = scopestack[scopestack_ix - 1];
1606 LEAVE_SCOPE(oldsave);
1607 return cx->blk_loop.next_op;
1608}
1609
1610PP(pp_redo)
1611{
1612 I32 cxix;
1613 register CONTEXT *cx;
1614 I32 oldsave;
1615
1616 if (op->op_flags & OPf_SPECIAL) {
1617 cxix = dopoptoloop(cxstack_ix);
1618 if (cxix < 0)
1619 DIE("Can't \"redo\" outside a block");
1620 }
1621 else {
1622 cxix = dopoptolabel(cPVOP->op_pv);
1623 if (cxix < 0)
1624 DIE("Label not found for \"redo %s\"", cPVOP->op_pv);
1625 }
1626 if (cxix < cxstack_ix)
1627 dounwind(cxix);
1628
1629 TOPBLOCK(cx);
1630 oldsave = scopestack[scopestack_ix - 1];
1631 LEAVE_SCOPE(oldsave);
1632 return cx->blk_loop.redo_op;
1633}
1634
1635static OP* lastgotoprobe;
1636
1637static OP *
fc36a67e 1638dofindlabel(op,label,opstack,oplimit)
a0d0e21e
LW
1639OP *op;
1640char *label;
1641OP **opstack;
fc36a67e 1642OP **oplimit;
a0d0e21e
LW
1643{
1644 OP *kid;
1645 OP **ops = opstack;
fc36a67e 1646 static char too_deep[] = "Target of goto is too deeply nested";
a0d0e21e 1647
fc36a67e
PP
1648 if (ops >= oplimit)
1649 croak(too_deep);
a0d0e21e
LW
1650 if (op->op_type == OP_LEAVE ||
1651 op->op_type == OP_SCOPE ||
1652 op->op_type == OP_LEAVELOOP ||
1653 op->op_type == OP_LEAVETRY)
fc36a67e
PP
1654 {
1655 *ops++ = cUNOP->op_first;
1656 if (ops >= oplimit)
1657 croak(too_deep);
1658 }
a0d0e21e
LW
1659 *ops = 0;
1660 if (op->op_flags & OPf_KIDS) {
1661 /* First try all the kids at this level, since that's likeliest. */
1662 for (kid = cUNOP->op_first; kid; kid = kid->op_sibling) {
1663 if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) &&
1664 kCOP->cop_label && strEQ(kCOP->cop_label, label))
1665 return kid;
1666 }
1667 for (kid = cUNOP->op_first; kid; kid = kid->op_sibling) {
1668 if (kid == lastgotoprobe)
1669 continue;
fc36a67e
PP
1670 if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) &&
1671 (ops == opstack ||
1672 (ops[-1]->op_type != OP_NEXTSTATE &&
1673 ops[-1]->op_type != OP_DBSTATE)))
1674 *ops++ = kid;
1675 if (op = dofindlabel(kid, label, ops, oplimit))
a0d0e21e
LW
1676 return op;
1677 }
1678 }
1679 *ops = 0;
1680 return 0;
1681}
1682
1683PP(pp_dump)
1684{
1685 return pp_goto(ARGS);
1686 /*NOTREACHED*/
1687}
1688
1689PP(pp_goto)
1690{
1691 dSP;
1692 OP *retop = 0;
1693 I32 ix;
1694 register CONTEXT *cx;
fc36a67e
PP
1695#define GOTO_DEPTH 64
1696 OP *enterops[GOTO_DEPTH];
a0d0e21e
LW
1697 char *label;
1698 int do_dump = (op->op_type == OP_DUMP);
1699
1700 label = 0;
1701 if (op->op_flags & OPf_STACKED) {
1702 SV *sv = POPs;
1703
1704 /* This egregious kludge implements goto &subroutine */
1705 if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) {
1706 I32 cxix;
1707 register CONTEXT *cx;
1708 CV* cv = (CV*)SvRV(sv);
1709 SV** mark;
1710 I32 items = 0;
1711 I32 oldsave;
1712
4aa0a1f7
AD
1713 if (!CvROOT(cv) && !CvXSUB(cv)) {
1714 if (CvGV(cv)) {
1715 SV *tmpstr = sv_newmortal();
e5cf08de 1716 gv_efullname3(tmpstr, CvGV(cv), Nullch);
4aa0a1f7
AD
1717 DIE("Goto undefined subroutine &%s",SvPVX(tmpstr));
1718 }
1719 DIE("Goto undefined subroutine");
1720 }
1721
a0d0e21e
LW
1722 /* First do some returnish stuff. */
1723 cxix = dopoptosub(cxstack_ix);
1724 if (cxix < 0)
1725 DIE("Can't goto subroutine outside a subroutine");
1726 if (cxix < cxstack_ix)
1727 dounwind(cxix);
1728 TOPBLOCK(cx);
1729 mark = stack_sp;
1730 if (cx->blk_sub.hasargs) { /* put @_ back onto stack */
1731 AV* av = cx->blk_sub.argarray;
1732
1733 items = AvFILL(av) + 1;
1ce6579f
PP
1734 stack_sp++;
1735 EXTEND(stack_sp, items); /* @_ could have been extended. */
1736 Copy(AvARRAY(av), stack_sp, items, SV*);
a0d0e21e 1737 stack_sp += items;
2c05e328 1738 SvREFCNT_dec(GvAV(defgv));
a0d0e21e 1739 GvAV(defgv) = cx->blk_sub.savearray;
a0d0e21e 1740 AvREAL_off(av);
4633a7c4 1741 av_clear(av);
a0d0e21e
LW
1742 }
1743 if (!(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth))
1744 SvREFCNT_dec(cx->blk_sub.cv);
1745 oldsave = scopestack[scopestack_ix - 1];
1746 LEAVE_SCOPE(oldsave);
1747
1748 /* Now do some callish stuff. */
1749 SAVETMPS;
1750 if (CvXSUB(cv)) {
1751 if (CvOLDSTYLE(cv)) {
ecfc5424 1752 I32 (*fp3)_((int,int,int));
a0d0e21e
LW
1753 while (sp > mark) {
1754 sp[1] = sp[0];
1755 sp--;
1756 }
ecfc5424
AD
1757 fp3 = (I32(*)_((int,int,int)))CvXSUB(cv);
1758 items = (*fp3)(CvXSUBANY(cv).any_i32,
1759 mark - stack_base + 1,
1760 items);
a0d0e21e
LW
1761 sp = stack_base + items;
1762 }
1763 else {
1ce6579f 1764 stack_sp--; /* There is no cv arg. */
a0d0e21e
LW
1765 (void)(*CvXSUB(cv))(cv);
1766 }
1767 LEAVE;
1768 return pop_return();
1769 }
1770 else {
1771 AV* padlist = CvPADLIST(cv);
1772 SV** svp = AvARRAY(padlist);
1773 cx->blk_sub.cv = cv;
1774 cx->blk_sub.olddepth = CvDEPTH(cv);
1775 CvDEPTH(cv)++;
1776 if (CvDEPTH(cv) < 2)
1777 (void)SvREFCNT_inc(cv);
1778 else { /* save temporaries on recursion? */
1779 if (CvDEPTH(cv) == 100 && dowarn)
44a8e56a 1780 sub_crush_depth(cv);
a0d0e21e
LW
1781 if (CvDEPTH(cv) > AvFILL(padlist)) {
1782 AV *newpad = newAV();
4aa0a1f7 1783 SV **oldpad = AvARRAY(svp[CvDEPTH(cv)-1]);
a0d0e21e
LW
1784 I32 ix = AvFILL((AV*)svp[1]);
1785 svp = AvARRAY(svp[0]);
748a9306 1786 for ( ;ix > 0; ix--) {
a0d0e21e 1787 if (svp[ix] != &sv_undef) {
748a9306 1788 char *name = SvPVX(svp[ix]);
5f05dabc
PP
1789 if ((SvFLAGS(svp[ix]) & SVf_FAKE)
1790 || *name == '&')
1791 {
1792 /* outer lexical or anon code */
748a9306 1793 av_store(newpad, ix,
4aa0a1f7 1794 SvREFCNT_inc(oldpad[ix]) );
748a9306
LW
1795 }
1796 else { /* our own lexical */
1797 if (*name == '@')
1798 av_store(newpad, ix, sv = (SV*)newAV());
1799 else if (*name == '%')
1800 av_store(newpad, ix, sv = (SV*)newHV());
1801 else
1802 av_store(newpad, ix, sv = NEWSV(0,0));
1803 SvPADMY_on(sv);
1804 }
a0d0e21e
LW
1805 }
1806 else {
748a9306 1807 av_store(newpad, ix, sv = NEWSV(0,0));
a0d0e21e
LW
1808 SvPADTMP_on(sv);
1809 }
1810 }
1811 if (cx->blk_sub.hasargs) {
1812 AV* av = newAV();
1813 av_extend(av, 0);
1814 av_store(newpad, 0, (SV*)av);
1815 AvFLAGS(av) = AVf_REIFY;
1816 }
1817 av_store(padlist, CvDEPTH(cv), (SV*)newpad);
1818 AvFILL(padlist) = CvDEPTH(cv);
1819 svp = AvARRAY(padlist);
1820 }
1821 }
1822 SAVESPTR(curpad);
1823 curpad = AvARRAY((AV*)svp[CvDEPTH(cv)]);
1824 if (cx->blk_sub.hasargs) {
1825 AV* av = (AV*)curpad[0];
1826 SV** ary;
1827
1828 cx->blk_sub.savearray = GvAV(defgv);
1829 cx->blk_sub.argarray = av;
2c05e328 1830 GvAV(defgv) = (AV*)SvREFCNT_inc(av);
a0d0e21e
LW
1831 ++mark;
1832
1833 if (items >= AvMAX(av) + 1) {
1834 ary = AvALLOC(av);
1835 if (AvARRAY(av) != ary) {
1836 AvMAX(av) += AvARRAY(av) - AvALLOC(av);
1837 SvPVX(av) = (char*)ary;
1838 }
1839 if (items >= AvMAX(av) + 1) {
1840 AvMAX(av) = items - 1;
1841 Renew(ary,items+1,SV*);
1842 AvALLOC(av) = ary;
1843 SvPVX(av) = (char*)ary;
1844 }
1845 }
1846 Copy(mark,AvARRAY(av),items,SV*);
1847 AvFILL(av) = items - 1;
1848
1849 while (items--) {
1850 if (*mark)
1851 SvTEMP_off(*mark);
1852 mark++;
1853 }
1854 }
f967eb5f 1855 if (perldb && curstash != debstash) {
44a8e56a
PP
1856 /*
1857 * We do not care about using sv to call CV;
1858 * it's for informational purposes only.
1859 */
1ce6579f
PP
1860 SV *sv = GvSV(DBsub);
1861 save_item(sv);
e5cf08de 1862 gv_efullname3(sv, CvGV(cv), Nullch);
1ce6579f 1863 }
a0d0e21e
LW
1864 RETURNOP(CvSTART(cv));
1865 }
1866 }
1867 else
1868 label = SvPV(sv,na);
1869 }
1870 else if (op->op_flags & OPf_SPECIAL) {
1871 if (! do_dump)
1872 DIE("goto must have label");
1873 }
1874 else
1875 label = cPVOP->op_pv;
1876
1877 if (label && *label) {
1878 OP *gotoprobe = 0;
1879
1880 /* find label */
1881
1882 lastgotoprobe = 0;
1883 *enterops = 0;
1884 for (ix = cxstack_ix; ix >= 0; ix--) {
1885 cx = &cxstack[ix];
1886 switch (cx->cx_type) {
a0d0e21e
LW
1887 case CXt_EVAL:
1888 gotoprobe = eval_root; /* XXX not good for nested eval */
1889 break;
1890 case CXt_LOOP:
1891 gotoprobe = cx->blk_oldcop->op_sibling;
1892 break;
1893 case CXt_SUBST:
1894 continue;
1895 case CXt_BLOCK:
1896 if (ix)
1897 gotoprobe = cx->blk_oldcop->op_sibling;
1898 else
1899 gotoprobe = main_root;
1900 break;
b3933176
CS
1901 case CXt_SUB:
1902 if (CvDEPTH(cx->blk_sub.cv)) {
1903 gotoprobe = CvROOT(cx->blk_sub.cv);
1904 break;
1905 }
1906 /* FALL THROUGH */
0a753a76
PP
1907 case CXt_NULL:
1908 DIE("Can't \"goto\" outside a block");
a0d0e21e
LW
1909 default:
1910 if (ix)
1911 DIE("panic: goto");
68dc0745 1912 gotoprobe = main_root;
a0d0e21e
LW
1913 break;
1914 }
fc36a67e
PP
1915 retop = dofindlabel(gotoprobe, label,
1916 enterops, enterops + GOTO_DEPTH);
a0d0e21e
LW
1917 if (retop)
1918 break;
1919 lastgotoprobe = gotoprobe;
1920 }
1921 if (!retop)
1922 DIE("Can't find label %s", label);
1923
1924 /* pop unwanted frames */
1925
1926 if (ix < cxstack_ix) {
1927 I32 oldsave;
1928
1929 if (ix < 0)
1930 ix = 0;
1931 dounwind(ix);
1932 TOPBLOCK(cx);
1933 oldsave = scopestack[scopestack_ix];
1934 LEAVE_SCOPE(oldsave);
1935 }
1936
1937 /* push wanted frames */
1938
748a9306 1939 if (*enterops && enterops[1]) {
a0d0e21e 1940 OP *oldop = op;
748a9306 1941 for (ix = 1; enterops[ix]; ix++) {
a0d0e21e
LW
1942 op = enterops[ix];
1943 (*op->op_ppaddr)();
1944 }
1945 op = oldop;
1946 }
1947 }
1948
1949 if (do_dump) {
a5f75d66
AD
1950#ifdef VMS
1951 if (!retop) retop = main_start;
1952#endif
a0d0e21e
LW
1953 restartop = retop;
1954 do_undump = TRUE;
1955
1956 my_unexec();
1957
1958 restartop = 0; /* hmm, must be GNU unexec().. */
1959 do_undump = FALSE;
1960 }
1961
1ce6579f 1962 if (curstack == signalstack) {
748a9306 1963 restartop = retop;
54310121 1964 JMPENV_JUMP(3);
748a9306
LW
1965 }
1966
a0d0e21e
LW
1967 RETURNOP(retop);
1968}
1969
1970PP(pp_exit)
1971{
1972 dSP;
1973 I32 anum;
1974
1975 if (MAXARG < 1)
1976 anum = 0;
ff0cee69 1977 else {
a0d0e21e 1978 anum = SvIVx(POPs);
ff0cee69
PP
1979#ifdef VMSISH_EXIT
1980 if (anum == 1 && VMSISH_EXIT)
1981 anum = 0;
1982#endif
1983 }
a0d0e21e
LW
1984 my_exit(anum);
1985 PUSHs(&sv_undef);
1986 RETURN;
1987}
1988
1989#ifdef NOTYET
1990PP(pp_nswitch)
1991{
1992 dSP;
1993 double value = SvNVx(GvSV(cCOP->cop_gv));
1994 register I32 match = I_32(value);
1995
1996 if (value < 0.0) {
1997 if (((double)match) > value)
1998 --match; /* was fractional--truncate other way */
1999 }
2000 match -= cCOP->uop.scop.scop_offset;
2001 if (match < 0)
2002 match = 0;
2003 else if (match > cCOP->uop.scop.scop_max)
2004 match = cCOP->uop.scop.scop_max;
2005 op = cCOP->uop.scop.scop_next[match];
2006 RETURNOP(op);
2007}
2008
2009PP(pp_cswitch)
2010{
2011 dSP;
2012 register I32 match;
2013
2014 if (multiline)
2015 op = op->op_next; /* can't assume anything */
2016 else {
2017 match = *(SvPVx(GvSV(cCOP->cop_gv), na)) & 255;
2018 match -= cCOP->uop.scop.scop_offset;
2019 if (match < 0)
2020 match = 0;
2021 else if (match > cCOP->uop.scop.scop_max)
2022 match = cCOP->uop.scop.scop_max;
2023 op = cCOP->uop.scop.scop_next[match];
2024 }
2025 RETURNOP(op);
2026}
2027#endif
2028
2029/* Eval. */
2030
2031static void
2032save_lines(array, sv)
2033AV *array;
2034SV *sv;
2035{
2036 register char *s = SvPVX(sv);
2037 register char *send = SvPVX(sv) + SvCUR(sv);
2038 register char *t;
2039 register I32 line = 1;
2040
2041 while (s && s < send) {
2042 SV *tmpstr = NEWSV(85,0);
2043
2044 sv_upgrade(tmpstr, SVt_PVMG);
2045 t = strchr(s, '\n');
2046 if (t)
2047 t++;
2048 else
2049 t = send;
2050
2051 sv_setpvn(tmpstr, s, t - s);
2052 av_store(array, line++, tmpstr);
2053 s = t;
2054 }
2055}
2056
2057static OP *
1e422769
PP
2058docatch(o)
2059OP *o;
2060{
2061 int ret;
035902c7 2062 I32 oldrunlevel = runlevel;
1e422769 2063 OP *oldop = op;
54310121 2064 dJMPENV;
1e422769
PP
2065
2066 op = o;
1e422769 2067#ifdef DEBUGGING
54310121 2068 assert(CATCH_GET == TRUE);
035902c7 2069 DEBUG_l(deb("(Setting up local jumplevel, runlevel = %ld)\n", (long)runlevel+1));
1e422769 2070#endif
22921e25
CS
2071 JMPENV_PUSH(ret);
2072 switch (ret) {
1e422769 2073 default: /* topmost level handles it */
54310121 2074 JMPENV_POP;
1e422769 2075 runlevel = oldrunlevel;
1e422769 2076 op = oldop;
54310121 2077 JMPENV_JUMP(ret);
1e422769
PP
2078 /* NOTREACHED */
2079 case 3:
2080 if (!restartop) {
2081 PerlIO_printf(PerlIO_stderr(), "panic: restartop\n");
2082 break;
2083 }
1e422769
PP
2084 op = restartop;
2085 restartop = 0;
2086 /* FALL THROUGH */
2087 case 0:
2088 runops();
2089 break;
2090 }
54310121 2091 JMPENV_POP;
1e422769 2092 runlevel = oldrunlevel;
1e422769
PP
2093 op = oldop;
2094 return Nullop;
2095}
2096
2097static OP *
a0d0e21e
LW
2098doeval(gimme)
2099int gimme;
2100{
2101 dSP;
2102 OP *saveop = op;
2103 HV *newstash;
ff3ff8d1 2104 CV *caller;
748a9306 2105 AV* comppadlist;
a0d0e21e
LW
2106
2107 in_eval = 1;
2108
1ce6579f
PP
2109 PUSHMARK(SP);
2110
a0d0e21e
LW
2111 /* set up a scratch pad */
2112
55497cff 2113 SAVEI32(padix);
a0d0e21e
LW
2114 SAVESPTR(curpad);
2115 SAVESPTR(comppad);
2116 SAVESPTR(comppad_name);
55497cff
PP
2117 SAVEI32(comppad_name_fill);
2118 SAVEI32(min_intro_pending);
2119 SAVEI32(max_intro_pending);
748a9306 2120
ff3ff8d1 2121 caller = compcv;
748a9306
LW
2122 SAVESPTR(compcv);
2123 compcv = (CV*)NEWSV(1104,0);
2124 sv_upgrade((SV *)compcv, SVt_PVCV);
07055b4c 2125 CvUNIQUE_on(compcv);
748a9306 2126
a0d0e21e
LW
2127 comppad = newAV();
2128 comppad_name = newAV();
2129 comppad_name_fill = 0;
2130 min_intro_pending = 0;
2131 av_push(comppad, Nullsv);
2132 curpad = AvARRAY(comppad);
2133 padix = 0;
2134
748a9306
LW
2135 comppadlist = newAV();
2136 AvREAL_off(comppadlist);
8e07c86e
AD
2137 av_store(comppadlist, 0, (SV*)comppad_name);
2138 av_store(comppadlist, 1, (SV*)comppad);
748a9306 2139 CvPADLIST(compcv) = comppadlist;
2c05e328
CS
2140
2141 if (saveop->op_type != OP_REQUIRE)
2142 CvOUTSIDE(compcv) = (CV*)SvREFCNT_inc(caller);
07055b4c 2143
8e07c86e 2144 SAVEFREESV(compcv);
748a9306 2145
a0d0e21e
LW
2146 /* make sure we compile in the right package */
2147
2148 newstash = curcop->cop_stash;
2149 if (curstash != newstash) {
2150 SAVESPTR(curstash);
2151 curstash = newstash;
2152 }
2153 SAVESPTR(beginav);
2154 beginav = newAV();
2155 SAVEFREESV(beginav);
2156
2157 /* try to compile it */
2158
2159 eval_root = Nullop;
2160 error_count = 0;
2161 curcop = &compiling;
2162 curcop->cop_arybase = 0;
c07a80fd
PP
2163 SvREFCNT_dec(rs);
2164 rs = newSVpv("\n", 1);
1ce6579f
PP
2165 if (saveop->op_flags & OPf_SPECIAL)
2166 in_eval |= 4;
2167 else
2168 sv_setpv(GvSV(errgv),"");
a0d0e21e
LW
2169 if (yyparse() || error_count || !eval_root) {
2170 SV **newsp;
2171 I32 gimme;
2172 CONTEXT *cx;
2173 I32 optype;
2174
2175 op = saveop;
2176 if (eval_root) {
2177 op_free(eval_root);
2178 eval_root = Nullop;
2179 }
1ce6579f 2180 SP = stack_base + POPMARK; /* pop original mark */
a0d0e21e
LW
2181 POPBLOCK(cx,curpm);
2182 POPEVAL(cx);
2183 pop_return();
2184 lex_end();
2185 LEAVE;
7a2e2cd6
PP
2186 if (optype == OP_REQUIRE) {
2187 char* msg = SvPVx(GvSV(errgv), na);
2188 DIE("%s", *msg ? msg : "Compilation failed in require");
2189 }
c07a80fd
PP
2190 SvREFCNT_dec(rs);
2191 rs = SvREFCNT_inc(nrs);
a0d0e21e
LW
2192 RETPUSHUNDEF;
2193 }
c07a80fd
PP
2194 SvREFCNT_dec(rs);
2195 rs = SvREFCNT_inc(nrs);
a0d0e21e 2196 compiling.cop_line = 0;
a0d0e21e 2197 SAVEFREEOP(eval_root);
54310121
PP
2198 if (gimme & G_VOID)
2199 scalarvoid(eval_root);
2200 else if (gimme & G_ARRAY)
a0d0e21e
LW
2201 list(eval_root);
2202 else
2203 scalar(eval_root);
2204
2205 DEBUG_x(dump_eval());
2206
55497cff 2207 /* Register with debugger: */
55497cff
PP
2208 if (perldb && saveop->op_type == OP_REQUIRE) {
2209 CV *cv = perl_get_cv("DB::postponed", FALSE);
55497cff
PP
2210 if (cv) {
2211 dSP;
2212 PUSHMARK(sp);
2213 XPUSHs((SV*)compiling.cop_filegv);
2214 PUTBACK;
2215 perl_call_sv((SV*)cv, G_DISCARD);
2216 }
2217 }
2218
a0d0e21e
LW
2219 /* compiled okay, so do it */
2220
4fdae800
PP
2221 CvDEPTH(compcv) = 1;
2222
1ce6579f 2223 SP = stack_base + POPMARK; /* pop original mark */
a0d0e21e
LW
2224 RETURNOP(eval_start);
2225}
2226
2227PP(pp_require)
2228{
2229 dSP;
2230 register CONTEXT *cx;
2231 SV *sv;
2232 char *name;
46fc3d4c
PP
2233 char *tryname;
2234 SV *namesv = Nullsv;
a0d0e21e
LW
2235 SV** svp;
2236 I32 gimme = G_SCALAR;
760ac839 2237 PerlIO *tryrsfp = 0;
a0d0e21e
LW
2238
2239 sv = POPs;
4633a7c4 2240 if (SvNIOKp(sv) && !SvPOKp(sv)) {
36477c24 2241 SET_NUMERIC_STANDARD();
a5f75d66
AD
2242 if (atof(patchlevel) + 0.00000999 < SvNV(sv))
2243 DIE("Perl %s required--this is only version %s, stopped",
2244 SvPV(sv,na),patchlevel);
a0d0e21e
LW
2245 RETPUSHYES;
2246 }
2247 name = SvPV(sv, na);
2248 if (!*name)
2249 DIE("Null filename used");
4633a7c4 2250 TAINT_PROPER("require");
a0d0e21e
LW
2251 if (op->op_type == OP_REQUIRE &&
2252 (svp = hv_fetch(GvHVn(incgv), name, SvCUR(sv), 0)) &&
2253 *svp != &sv_undef)
2254 RETPUSHYES;
2255
2256 /* prepare to compile file */
2257
46fc3d4c
PP
2258 if (*name == '/' ||
2259 (*name == '.' &&
2260 (name[1] == '/' ||
2261 (name[1] == '.' && name[2] == '/')))
4633a7c4 2262#ifdef DOSISH
46fc3d4c 2263 || (name[0] && name[1] == ':')
4633a7c4 2264#endif
ba42ef2f
WJ
2265#ifdef WIN32
2266 || (name[0] == '\\' && name[1] == '\\') /* UNC path */
2267#endif
748a9306 2268#ifdef VMS
46fc3d4c
PP
2269 || (strchr(name,':') || ((*name == '[' || *name == '<') &&
2270 (isALNUM(name[1]) || strchr("$-_]>",name[1]))))
748a9306
LW
2271#endif
2272 )
a0d0e21e 2273 {
46fc3d4c
PP
2274 tryname = name;
2275 tryrsfp = PerlIO_open(name,"r");
a0d0e21e
LW
2276 }
2277 else {
2278 AV *ar = GvAVn(incgv);
2279 I32 i;
748a9306 2280#ifdef VMS
46fc3d4c
PP
2281 char *unixname;
2282 if ((unixname = tounixspec(name, Nullch)) != Nullch)
2283#endif
2284 {
2285 namesv = NEWSV(806, 0);
2286 for (i = 0; i <= AvFILL(ar); i++) {
2287 char *dir = SvPVx(*av_fetch(ar, i, TRUE), na);
2288#ifdef VMS
2289 char *unixdir;
2290 if ((unixdir = tounixpath(dir, Nullch)) == Nullch)
2291 continue;
2292 sv_setpv(namesv, unixdir);
2293 sv_catpv(namesv, unixname);
748a9306 2294#else
46fc3d4c 2295 sv_setpvf(namesv, "%s/%s", dir, name);
748a9306 2296#endif
46fc3d4c
PP
2297 tryname = SvPVX(namesv);
2298 tryrsfp = PerlIO_open(tryname, "r");
2299 if (tryrsfp) {
2300 if (tryname[0] == '.' && tryname[1] == '/')
2301 tryname += 2;
2302 break;
2303 }
a0d0e21e
LW
2304 }
2305 }
2306 }
2307 SAVESPTR(compiling.cop_filegv);
46fc3d4c
PP
2308 compiling.cop_filegv = gv_fetchfile(tryrsfp ? tryname : name);
2309 SvREFCNT_dec(namesv);
a0d0e21e
LW
2310 if (!tryrsfp) {
2311 if (op->op_type == OP_REQUIRE) {
46fc3d4c 2312 SV *msg = sv_2mortal(newSVpvf("Can't locate %s in @INC", name));
2683423c
JA
2313 SV *dirmsgsv = NEWSV(0, 0);
2314 AV *ar = GvAVn(incgv);
2315 I32 i;
46fc3d4c
PP
2316 if (instr(SvPVX(msg), ".h "))
2317 sv_catpv(msg, " (change .h to .ph maybe?)");
2318 if (instr(SvPVX(msg), ".ph "))
2319 sv_catpv(msg, " (did you run h2ph?)");
3e3baf6d 2320 sv_catpv(msg, " (@INC contains:");
2683423c
JA
2321 for (i = 0; i <= AvFILL(ar); i++) {
2322 char *dir = SvPVx(*av_fetch(ar, i, TRUE), na);
3e3baf6d 2323 sv_setpvf(dirmsgsv, " %s", dir);
2683423c
JA
2324 sv_catsv(msg, dirmsgsv);
2325 }
3e3baf6d 2326 sv_catpvn(msg, ")", 1);
2683423c 2327 SvREFCNT_dec(dirmsgsv);
fc36a67e 2328 DIE("%_", msg);
a0d0e21e
LW
2329 }
2330
2331 RETPUSHUNDEF;
2332 }
2333
2334 /* Assume success here to prevent recursive requirement. */
2335 (void)hv_store(GvHVn(incgv), name, strlen(name),
2336 newSVsv(GvSV(compiling.cop_filegv)), 0 );
2337
2338 ENTER;
2339 SAVETMPS;
2340 lex_start(sv_2mortal(newSVpv("",0)));
e50aee73
AD
2341 if (rsfp_filters){
2342 save_aptr(&rsfp_filters);
2343 rsfp_filters = NULL;
2344 }
2345
a0d0e21e
LW
2346 rsfp = tryrsfp;
2347 name = savepv(name);
2348 SAVEFREEPV(name);
2349 SAVEI32(hints);
2350 hints = 0;
2351
2352 /* switch to eval mode */
2353
2354 push_return(op->op_next);
2355 PUSHBLOCK(cx, CXt_EVAL, SP);
2356 PUSHEVAL(cx, name, compiling.cop_filegv);
2357
2358 compiling.cop_line = 0;
2359
2360 PUTBACK;
1e422769 2361 return DOCATCH(doeval(G_SCALAR));
a0d0e21e
LW
2362}
2363
2364PP(pp_dofile)
2365{
2366 return pp_require(ARGS);
2367}
2368
2369PP(pp_entereval)
2370{
2371 dSP;
2372 register CONTEXT *cx;
2373 dPOPss;
54310121 2374 I32 gimme = GIMME_V, was = sub_generation;
fc36a67e
PP
2375 char tmpbuf[TYPE_DIGITS(long) + 12];
2376 char *safestr;
a0d0e21e 2377 STRLEN len;
55497cff 2378 OP *ret;
a0d0e21e
LW
2379
2380 if (!SvPV(sv,len) || !len)
2381 RETPUSHUNDEF;
748a9306 2382 TAINT_PROPER("eval");
a0d0e21e
LW
2383
2384 ENTER;
a0d0e21e 2385 lex_start(sv);
748a9306 2386 SAVETMPS;
a0d0e21e
LW
2387
2388 /* switch to eval mode */
2389
748a9306 2390 SAVESPTR(compiling.cop_filegv);
ff0cee69 2391 sprintf(tmpbuf, "_<(eval %lu)", (unsigned long)++evalseq);
a0d0e21e
LW
2392 compiling.cop_filegv = gv_fetchfile(tmpbuf+2);
2393 compiling.cop_line = 1;
55497cff
PP
2394 /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up
2395 deleting the eval's FILEGV from the stash before gv_check() runs
2396 (i.e. before run-time proper). To work around the coredump that
2397 ensues, we always turn GvMULTI_on for any globals that were
2398 introduced within evals. See force_ident(). GSAR 96-10-12 */
2399 safestr = savepv(tmpbuf);
2400 SAVEDELETE(defstash, safestr, strlen(safestr));
a0d0e21e
LW
2401 SAVEI32(hints);
2402 hints = op->op_targ;
2403
2404 push_return(op->op_next);
2405 PUSHBLOCK(cx, CXt_EVAL, SP);
2406 PUSHEVAL(cx, 0, compiling.cop_filegv);
2407
2408 /* prepare to compile string */
2409
2410 if (perldb && curstash != debstash)
2411 save_lines(GvAV(compiling.cop_filegv), linestr);
2412 PUTBACK;
55497cff 2413 ret = doeval(gimme);
e506e776
IZ
2414 if (perldb && was != sub_generation /* Some subs defined here. */
2415 && ret != op->op_next) { /* Successive compilation. */
55497cff
PP
2416 strcpy(safestr, "_<(eval )"); /* Anything fake and short. */
2417 }
1e422769 2418 return DOCATCH(ret);
a0d0e21e
LW
2419}
2420
2421PP(pp_leaveeval)
2422{
2423 dSP;
2424 register SV **mark;
2425 SV **newsp;
2426 PMOP *newpm;
2427 I32 gimme;
2428 register CONTEXT *cx;
2429 OP *retop;
760ac839 2430 U8 save_flags = op -> op_flags;
a0d0e21e
LW
2431 I32 optype;
2432
2433 POPBLOCK(cx,newpm);
2434 POPEVAL(cx);
2435 retop = pop_return();
2436
a1f49e72 2437 TAINT_NOT;
54310121
PP
2438 if (gimme == G_VOID)
2439 MARK = newsp;
2440 else if (gimme == G_SCALAR) {
2441 MARK = newsp + 1;
2442 if (MARK <= SP) {
2443 if (SvFLAGS(TOPs) & SVs_TEMP)
2444 *MARK = TOPs;
2445 else
2446 *MARK = sv_mortalcopy(TOPs);
2447 }
a0d0e21e 2448 else {
54310121
PP
2449 MEXTEND(mark,0);
2450 *MARK = &sv_undef;
a0d0e21e 2451 }
a0d0e21e
LW
2452 }
2453 else {
a1f49e72
CS
2454 /* in case LEAVE wipes old return values */
2455 for (mark = newsp + 1; mark <= SP; mark++) {
2456 if (!(SvFLAGS(*mark) & SVs_TEMP)) {
a0d0e21e 2457 *mark = sv_mortalcopy(*mark);
a1f49e72
CS
2458 TAINT_NOT; /* Each item is independent */
2459 }
2460 }
a0d0e21e
LW
2461 }
2462 curpm = newpm; /* Don't pop $1 et al till now */
2463
4fdae800
PP
2464#ifdef DEBUGGING
2465 assert(CvDEPTH(compcv) == 1);
2466#endif
2467 CvDEPTH(compcv) = 0;
2468
1ce6579f 2469 if (optype == OP_REQUIRE &&
54310121
PP
2470 !(gimme == G_SCALAR ? SvTRUE(*sp) : sp > newsp))
2471 {
1ce6579f 2472 /* Unassume the success we assumed earlier. */
54310121 2473 char *name = cx->blk_eval.old_name;
1ce6579f
PP
2474 (void)hv_delete(GvHVn(incgv), name, strlen(name), G_DISCARD);
2475 retop = die("%s did not return a true value", name);
a0d0e21e
LW
2476 }
2477
2478 lex_end();
2479 LEAVE;
4fdae800 2480
760ac839 2481 if (!(save_flags & OPf_SPECIAL))
1ce6579f 2482 sv_setpv(GvSV(errgv),"");
a0d0e21e
LW
2483
2484 RETURNOP(retop);
2485}
2486
a0d0e21e
LW
2487PP(pp_entertry)
2488{
2489 dSP;
2490 register CONTEXT *cx;
54310121 2491 I32 gimme = GIMME_V;
a0d0e21e
LW
2492
2493 ENTER;
2494 SAVETMPS;
2495
2496 push_return(cLOGOP->op_other->op_next);
2497 PUSHBLOCK(cx, CXt_EVAL, SP);
2498 PUSHEVAL(cx, 0, 0);
2499 eval_root = op; /* Only needed so that goto works right. */
2500
2501 in_eval = 1;
4633a7c4 2502 sv_setpv(GvSV(errgv),"");
1e422769
PP
2503 PUTBACK;
2504 return DOCATCH(op->op_next);
a0d0e21e
LW
2505}
2506
2507PP(pp_leavetry)
2508{
2509 dSP;
2510 register SV **mark;
2511 SV **newsp;
2512 PMOP *newpm;
2513 I32 gimme;
2514 register CONTEXT *cx;
2515 I32 optype;
2516
2517 POPBLOCK(cx,newpm);
2518 POPEVAL(cx);
2519 pop_return();
2520
a1f49e72 2521 TAINT_NOT;
54310121
PP
2522 if (gimme == G_VOID)
2523 SP = newsp;
2524 else if (gimme == G_SCALAR) {
2525 MARK = newsp + 1;
2526 if (MARK <= SP) {
2527 if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP))
2528 *MARK = TOPs;
2529 else
2530 *MARK = sv_mortalcopy(TOPs);
2531 }
a0d0e21e 2532 else {
54310121
PP
2533 MEXTEND(mark,0);
2534 *MARK = &sv_undef;
a0d0e21e
LW
2535 }
2536 SP = MARK;
2537 }
2538 else {
a1f49e72
CS
2539 /* in case LEAVE wipes old return values */
2540 for (mark = newsp + 1; mark <= SP; mark++) {
2541 if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) {
a0d0e21e 2542 *mark = sv_mortalcopy(*mark);
a1f49e72
CS
2543 TAINT_NOT; /* Each item is independent */
2544 }
2545 }
a0d0e21e
LW
2546 }
2547 curpm = newpm; /* Don't pop $1 et al till now */
2548
2549 LEAVE;
4633a7c4 2550 sv_setpv(GvSV(errgv),"");
a0d0e21e
LW
2551 RETURN;
2552}
2553
2554static void
2555doparseform(sv)
2556SV *sv;
2557{
2558 STRLEN len;
2559 register char *s = SvPV_force(sv, len);
2560 register char *send = s + len;
2561 register char *base;
2562 register I32 skipspaces = 0;
2563 bool noblank;
2564 bool repeat;
2565 bool postspace = FALSE;
2566 U16 *fops;
2567 register U16 *fpc;
2568 U16 *linepc;
2569 register I32 arg;
2570 bool ischop;
2571
55497cff 2572 if (len == 0)
bbce6d69 2573 croak("Null picture in formline");
55497cff
PP
2574
2575 New(804, fops, (send - s)*3+10, U16); /* Almost certainly too long... */
a0d0e21e
LW
2576 fpc = fops;
2577
2578 if (s < send) {
2579 linepc = fpc;
2580 *fpc++ = FF_LINEMARK;
2581 noblank = repeat = FALSE;
2582 base = s;
2583 }
2584
2585 while (s <= send) {
2586 switch (*s++) {
2587 default:
2588 skipspaces = 0;
2589 continue;
2590
2591 case '~':
2592 if (*s == '~') {
2593 repeat = TRUE;
2594 *s = ' ';
2595 }
2596 noblank = TRUE;
2597 s[-1] = ' ';
2598 /* FALL THROUGH */
2599 case ' ': case '\t':
2600 skipspaces++;
2601 continue;
2602
2603 case '\n': case 0:
2604 arg = s - base;
2605 skipspaces++;
2606 arg -= skipspaces;
2607 if (arg) {
5f05dabc 2608 if (postspace)
a0d0e21e 2609 *fpc++ = FF_SPACE;
a0d0e21e
LW
2610 *fpc++ = FF_LITERAL;
2611 *fpc++ = arg;
2612 }
5f05dabc 2613 postspace = FALSE;
a0d0e21e
LW
2614 if (s <= send)
2615 skipspaces--;
2616 if (skipspaces) {
2617 *fpc++ = FF_SKIP;
2618 *fpc++ = skipspaces;
2619 }
2620 skipspaces = 0;
2621 if (s <= send)
2622 *fpc++ = FF_NEWLINE;
2623 if (noblank) {
2624 *fpc++ = FF_BLANK;
2625 if (repeat)
2626 arg = fpc - linepc + 1;
2627 else
2628 arg = 0;
2629 *fpc++ = arg;
2630 }
2631 if (s < send) {
2632 linepc = fpc;
2633 *fpc++ = FF_LINEMARK;
2634 noblank = repeat = FALSE;
2635 base = s;
2636 }
2637 else
2638 s++;
2639 continue;
2640
2641 case '@':
2642 case '^':
2643 ischop = s[-1] == '^';
2644
2645 if (postspace) {
2646 *fpc++ = FF_SPACE;
2647 postspace = FALSE;
2648 }
2649 arg = (s - base) - 1;
2650 if (arg) {
2651 *fpc++ = FF_LITERAL;
2652 *fpc++ = arg;
2653 }
2654
2655 base = s - 1;
2656 *fpc++ = FF_FETCH;
2657 if (*s == '*') {
2658 s++;
2659 *fpc++ = 0;
2660 *fpc++ = FF_LINEGLOB;
2661 }
2662 else if (*s == '#' || (*s == '.' && s[1] == '#')) {
2663 arg = ischop ? 512 : 0;
2664 base = s - 1;
2665 while (*s == '#')
2666 s++;
2667 if (*s == '.') {
2668 char *f;
2669 s++;
2670 f = s;
2671 while (*s == '#')
2672 s++;
2673 arg |= 256 + (s - f);
2674 }
2675 *fpc++ = s - base; /* fieldsize for FETCH */
2676 *fpc++ = FF_DECIMAL;
2677 *fpc++ = arg;
2678 }
2679 else {
2680 I32 prespace = 0;
2681 bool ismore = FALSE;
2682
2683 if (*s == '>') {
2684 while (*++s == '>') ;
2685 prespace = FF_SPACE;
2686 }
2687 else if (*s == '|') {
2688 while (*++s == '|') ;
2689 prespace = FF_HALFSPACE;
2690 postspace = TRUE;
2691 }
2692 else {
2693 if (*s == '<')
2694 while (*++s == '<') ;
2695 postspace = TRUE;
2696 }
2697 if (*s == '.' && s[1] == '.' && s[2] == '.') {
2698 s += 3;
2699 ismore = TRUE;
2700 }
2701 *fpc++ = s - base; /* fieldsize for FETCH */
2702
2703 *fpc++ = ischop ? FF_CHECKCHOP : FF_CHECKNL;
2704
2705 if (prespace)
2706 *fpc++ = prespace;
2707 *fpc++ = FF_ITEM;
2708 if (ismore)
2709 *fpc++ = FF_MORE;
2710 if (ischop)
2711 *fpc++ = FF_CHOP;
2712 }
2713 base = s;
2714 skipspaces = 0;
2715 continue;
2716 }
2717 }
2718 *fpc++ = FF_END;
2719
2720 arg = fpc - fops;
2721 { /* need to jump to the next word */
2722 int z;
2723 z = WORD_ALIGN - SvCUR(sv) % WORD_ALIGN;
2724 SvGROW(sv, SvCUR(sv) + z + arg * sizeof(U16) + 4);
2725 s = SvPVX(sv) + SvCUR(sv) + z;
2726 }
2727 Copy(fops, s, arg, U16);
2728 Safefree(fops);
55497cff 2729 sv_magic(sv, Nullsv, 'f', Nullch, 0);
a0d0e21e
LW
2730 SvCOMPILED_on(sv);
2731}