Commit | Line | Data |
a0d0e21e |
1 | /* pp_ctl.c |
2 | * |
3 | * Copyright (c) 1991-1994, Larry Wall |
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 | |
26 | static OP *doeval _((int gimme)); |
27 | static OP *dofindlabel _((OP *op, char *label, OP **opstack)); |
28 | static void doparseform _((SV *sv)); |
29 | static I32 dopoptoeval _((I32 startingblock)); |
30 | static I32 dopoptolabel _((char *label)); |
31 | static I32 dopoptoloop _((I32 startingblock)); |
32 | static I32 dopoptosub _((I32 startingblock)); |
33 | static void save_lines _((AV *array, SV *sv)); |
a0d0e21e |
34 | static int sortcv _((const void *, const void *)); |
bbce6d69 |
35 | static int sortcmp _((const void *, const void *)); |
36 | static int sortcmp_locale _((const void *, const void *)); |
a0d0e21e |
37 | |
38 | static I32 sortcxix; |
39 | |
40 | PP(pp_wantarray) |
41 | { |
42 | dSP; |
43 | I32 cxix; |
44 | EXTEND(SP, 1); |
45 | |
46 | cxix = dopoptosub(cxstack_ix); |
47 | if (cxix < 0) |
48 | RETPUSHUNDEF; |
49 | |
50 | if (cxstack[cxix].blk_gimme == G_ARRAY) |
51 | RETPUSHYES; |
52 | else |
53 | RETPUSHNO; |
54 | } |
55 | |
56 | PP(pp_regcmaybe) |
57 | { |
58 | return NORMAL; |
59 | } |
60 | |
61 | PP(pp_regcomp) { |
62 | dSP; |
63 | register PMOP *pm = (PMOP*)cLOGOP->op_other; |
64 | register char *t; |
65 | SV *tmpstr; |
66 | STRLEN len; |
67 | |
68 | tmpstr = POPs; |
69 | t = SvPV(tmpstr, len); |
70 | |
4633a7c4 |
71 | /* JMR: Check against the last compiled regexp */ |
72 | if ( ! pm->op_pmregexp || ! pm->op_pmregexp->precomp |
73 | || strnNE(pm->op_pmregexp->precomp, t, len) |
74 | || pm->op_pmregexp->precomp[len]) { |
75 | if (pm->op_pmregexp) { |
76 | pregfree(pm->op_pmregexp); |
77 | pm->op_pmregexp = Null(REGEXP*); /* crucial if regcomp aborts */ |
78 | } |
a0d0e21e |
79 | |
4633a7c4 |
80 | pm->op_pmflags = pm->op_pmpermflags; /* reset case sensitivity */ |
81 | pm->op_pmregexp = pregcomp(t, t + len, pm); |
82 | } |
a0d0e21e |
83 | |
84 | if (!pm->op_pmregexp->prelen && curpm) |
85 | pm = curpm; |
86 | else if (strEQ("\\s+", pm->op_pmregexp->precomp)) |
87 | pm->op_pmflags |= PMf_WHITE; |
88 | |
89 | if (pm->op_pmflags & PMf_KEEP) { |
a0d0e21e |
90 | pm->op_pmflags &= ~PMf_RUNTIME; /* no point compiling again */ |
91 | hoistmust(pm); |
92 | cLOGOP->op_first->op_next = op->op_next; |
a0d0e21e |
93 | } |
94 | RETURN; |
95 | } |
96 | |
97 | PP(pp_substcont) |
98 | { |
99 | dSP; |
100 | register PMOP *pm = (PMOP*) cLOGOP->op_other; |
101 | register CONTEXT *cx = &cxstack[cxstack_ix]; |
102 | register SV *dstr = cx->sb_dstr; |
103 | register char *s = cx->sb_s; |
104 | register char *m = cx->sb_m; |
105 | char *orig = cx->sb_orig; |
c07a80fd |
106 | register REGEXP *rx = cx->sb_rx; |
a0d0e21e |
107 | |
108 | if (cx->sb_iters++) { |
109 | if (cx->sb_iters > cx->sb_maxiters) |
110 | DIE("Substitution loop"); |
111 | |
71be2cbc |
112 | if (!cx->sb_rxtainted) |
113 | cx->sb_rxtainted = SvTAINTED(TOPs); |
a0d0e21e |
114 | sv_catsv(dstr, POPs); |
115 | if (rx->subbase) |
116 | Safefree(rx->subbase); |
117 | rx->subbase = cx->sb_subbase; |
118 | |
119 | /* Are we done */ |
e50aee73 |
120 | if (cx->sb_once || !pregexec(rx, s, cx->sb_strend, orig, |
a0d0e21e |
121 | s == m, Nullsv, cx->sb_safebase)) |
122 | { |
123 | SV *targ = cx->sb_targ; |
124 | sv_catpvn(dstr, s, cx->sb_strend - s); |
748a9306 |
125 | |
9212bbba |
126 | TAINT_IF(cx->sb_rxtainted || rx->exec_tainted); |
127 | |
4633a7c4 |
128 | (void)SvOOK_off(targ); |
cb0b1708 |
129 | Safefree(SvPVX(targ)); |
748a9306 |
130 | SvPVX(targ) = SvPVX(dstr); |
131 | SvCUR_set(targ, SvCUR(dstr)); |
132 | SvLEN_set(targ, SvLEN(dstr)); |
133 | SvPVX(dstr) = 0; |
134 | sv_free(dstr); |
135 | |
a0d0e21e |
136 | (void)SvPOK_only(targ); |
137 | SvSETMAGIC(targ); |
9212bbba |
138 | SvTAINT(targ); |
a0d0e21e |
139 | PUSHs(sv_2mortal(newSViv((I32)cx->sb_iters - 1))); |
4633a7c4 |
140 | LEAVE_SCOPE(cx->sb_oldsave); |
a0d0e21e |
141 | POPSUBST(cx); |
142 | RETURNOP(pm->op_next); |
143 | } |
144 | } |
145 | if (rx->subbase && rx->subbase != orig) { |
146 | m = s; |
147 | s = orig; |
148 | cx->sb_orig = orig = rx->subbase; |
149 | s = orig + (m - s); |
150 | cx->sb_strend = s + (cx->sb_strend - m); |
151 | } |
152 | cx->sb_m = m = rx->startp[0]; |
153 | sv_catpvn(dstr, s, m-s); |
154 | cx->sb_s = rx->endp[0]; |
155 | cx->sb_subbase = rx->subbase; |
71be2cbc |
156 | cx->sb_rxtainted |= rx->exec_tainted; |
a0d0e21e |
157 | |
158 | rx->subbase = Nullch; /* so recursion works */ |
159 | RETURNOP(pm->op_pmreplstart); |
160 | } |
161 | |
162 | PP(pp_formline) |
163 | { |
164 | dSP; dMARK; dORIGMARK; |
165 | register SV *form = *++MARK; |
166 | register U16 *fpc; |
167 | register char *t; |
168 | register char *f; |
169 | register char *s; |
170 | register char *send; |
171 | register I32 arg; |
172 | register SV *sv; |
173 | char *item; |
174 | I32 itemsize; |
175 | I32 fieldsize; |
176 | I32 lines = 0; |
177 | bool chopspace = (strchr(chopset, ' ') != Nullch); |
178 | char *chophere; |
179 | char *linemark; |
a0d0e21e |
180 | double value; |
181 | bool gotsome; |
182 | STRLEN len; |
183 | |
55497cff |
184 | if (!SvMAGICAL(form) || !SvCOMPILED(form)) { |
a0d0e21e |
185 | SvREADONLY_off(form); |
186 | doparseform(form); |
187 | } |
188 | |
189 | SvPV_force(formtarget, len); |
190 | t = SvGROW(formtarget, len + SvCUR(form) + 1); /* XXX SvCUR bad */ |
191 | t += len; |
192 | f = SvPV(form, len); |
193 | /* need to jump to the next word */ |
194 | s = f + len + WORD_ALIGN - SvCUR(form) % WORD_ALIGN; |
195 | |
196 | fpc = (U16*)s; |
197 | |
198 | for (;;) { |
199 | DEBUG_f( { |
200 | char *name = "???"; |
201 | arg = -1; |
202 | switch (*fpc) { |
203 | case FF_LITERAL: arg = fpc[1]; name = "LITERAL"; break; |
204 | case FF_BLANK: arg = fpc[1]; name = "BLANK"; break; |
205 | case FF_SKIP: arg = fpc[1]; name = "SKIP"; break; |
206 | case FF_FETCH: arg = fpc[1]; name = "FETCH"; break; |
207 | case FF_DECIMAL: arg = fpc[1]; name = "DECIMAL"; break; |
208 | |
209 | case FF_CHECKNL: name = "CHECKNL"; break; |
210 | case FF_CHECKCHOP: name = "CHECKCHOP"; break; |
211 | case FF_SPACE: name = "SPACE"; break; |
212 | case FF_HALFSPACE: name = "HALFSPACE"; break; |
213 | case FF_ITEM: name = "ITEM"; break; |
214 | case FF_CHOP: name = "CHOP"; break; |
215 | case FF_LINEGLOB: name = "LINEGLOB"; break; |
216 | case FF_NEWLINE: name = "NEWLINE"; break; |
217 | case FF_MORE: name = "MORE"; break; |
218 | case FF_LINEMARK: name = "LINEMARK"; break; |
219 | case FF_END: name = "END"; break; |
220 | } |
221 | if (arg >= 0) |
760ac839 |
222 | PerlIO_printf(PerlIO_stderr(), "%-16s%ld\n", name, (long) arg); |
a0d0e21e |
223 | else |
760ac839 |
224 | PerlIO_printf(PerlIO_stderr(), "%-16s\n", name); |
a0d0e21e |
225 | } ) |
226 | switch (*fpc++) { |
227 | case FF_LINEMARK: |
228 | linemark = t; |
a0d0e21e |
229 | lines++; |
230 | gotsome = FALSE; |
231 | break; |
232 | |
233 | case FF_LITERAL: |
234 | arg = *fpc++; |
235 | while (arg--) |
236 | *t++ = *f++; |
237 | break; |
238 | |
239 | case FF_SKIP: |
240 | f += *fpc++; |
241 | break; |
242 | |
243 | case FF_FETCH: |
244 | arg = *fpc++; |
245 | f += arg; |
246 | fieldsize = arg; |
247 | |
248 | if (MARK < SP) |
249 | sv = *++MARK; |
250 | else { |
251 | sv = &sv_no; |
252 | if (dowarn) |
253 | warn("Not enough format arguments"); |
254 | } |
255 | break; |
256 | |
257 | case FF_CHECKNL: |
258 | item = s = SvPV(sv, len); |
259 | itemsize = len; |
260 | if (itemsize > fieldsize) |
261 | itemsize = fieldsize; |
262 | send = chophere = s + itemsize; |
263 | while (s < send) { |
264 | if (*s & ~31) |
265 | gotsome = TRUE; |
266 | else if (*s == '\n') |
267 | break; |
268 | s++; |
269 | } |
270 | itemsize = s - item; |
271 | break; |
272 | |
273 | case FF_CHECKCHOP: |
274 | item = s = SvPV(sv, len); |
275 | itemsize = len; |
276 | if (itemsize <= fieldsize) { |
277 | send = chophere = s + itemsize; |
278 | while (s < send) { |
279 | if (*s == '\r') { |
280 | itemsize = s - item; |
281 | break; |
282 | } |
283 | if (*s++ & ~31) |
284 | gotsome = TRUE; |
285 | } |
286 | } |
287 | else { |
288 | itemsize = fieldsize; |
289 | send = chophere = s + itemsize; |
290 | while (s < send || (s == send && isSPACE(*s))) { |
291 | if (isSPACE(*s)) { |
292 | if (chopspace) |
293 | chophere = s; |
294 | if (*s == '\r') |
295 | break; |
296 | } |
297 | else { |
298 | if (*s & ~31) |
299 | gotsome = TRUE; |
300 | if (strchr(chopset, *s)) |
301 | chophere = s + 1; |
302 | } |
303 | s++; |
304 | } |
305 | itemsize = chophere - item; |
306 | } |
307 | break; |
308 | |
309 | case FF_SPACE: |
310 | arg = fieldsize - itemsize; |
311 | if (arg) { |
312 | fieldsize -= arg; |
313 | while (arg-- > 0) |
314 | *t++ = ' '; |
315 | } |
316 | break; |
317 | |
318 | case FF_HALFSPACE: |
319 | arg = fieldsize - itemsize; |
320 | if (arg) { |
321 | arg /= 2; |
322 | fieldsize -= arg; |
323 | while (arg-- > 0) |
324 | *t++ = ' '; |
325 | } |
326 | break; |
327 | |
328 | case FF_ITEM: |
329 | arg = itemsize; |
330 | s = item; |
331 | while (arg--) { |
332 | #if 'z' - 'a' != 25 |
333 | int ch = *t++ = *s++; |
334 | if (!iscntrl(ch)) |
335 | t[-1] = ' '; |
336 | #else |
337 | if ( !((*t++ = *s++) & ~31) ) |
338 | t[-1] = ' '; |
339 | #endif |
340 | |
341 | } |
342 | break; |
343 | |
344 | case FF_CHOP: |
345 | s = chophere; |
346 | if (chopspace) { |
347 | while (*s && isSPACE(*s)) |
348 | s++; |
349 | } |
350 | sv_chop(sv,s); |
351 | break; |
352 | |
353 | case FF_LINEGLOB: |
354 | item = s = SvPV(sv, len); |
355 | itemsize = len; |
356 | if (itemsize) { |
357 | gotsome = TRUE; |
358 | send = s + itemsize; |
359 | while (s < send) { |
360 | if (*s++ == '\n') { |
361 | if (s == send) |
362 | itemsize--; |
363 | else |
364 | lines++; |
365 | } |
366 | } |
367 | SvCUR_set(formtarget, t - SvPVX(formtarget)); |
368 | sv_catpvn(formtarget, item, itemsize); |
369 | SvGROW(formtarget, SvCUR(formtarget) + SvCUR(form) + 1); |
370 | t = SvPVX(formtarget) + SvCUR(formtarget); |
371 | } |
372 | break; |
373 | |
374 | case FF_DECIMAL: |
375 | /* If the field is marked with ^ and the value is undefined, |
376 | blank it out. */ |
377 | arg = *fpc++; |
378 | if ((arg & 512) && !SvOK(sv)) { |
379 | arg = fieldsize; |
380 | while (arg--) |
381 | *t++ = ' '; |
382 | break; |
383 | } |
384 | gotsome = TRUE; |
385 | value = SvNV(sv); |
bbce6d69 |
386 | /* Formats aren't yet marked for locales, so assume "yes". */ |
36477c24 |
387 | SET_NUMERIC_LOCAL(); |
a0d0e21e |
388 | if (arg & 256) { |
389 | sprintf(t, "%#*.*f", (int) fieldsize, (int) arg & 255, value); |
390 | } else { |
391 | sprintf(t, "%*.0f", (int) fieldsize, value); |
392 | } |
393 | t += fieldsize; |
394 | break; |
395 | |
396 | case FF_NEWLINE: |
397 | f++; |
398 | while (t-- > linemark && *t == ' ') ; |
399 | t++; |
400 | *t++ = '\n'; |
401 | break; |
402 | |
403 | case FF_BLANK: |
404 | arg = *fpc++; |
405 | if (gotsome) { |
406 | if (arg) { /* repeat until fields exhausted? */ |
407 | *t = '\0'; |
408 | SvCUR_set(formtarget, t - SvPVX(formtarget)); |
409 | lines += FmLINES(formtarget); |
410 | if (lines == 200) { |
411 | arg = t - linemark; |
412 | if (strnEQ(linemark, linemark - arg, arg)) |
413 | DIE("Runaway format"); |
414 | } |
415 | FmLINES(formtarget) = lines; |
416 | SP = ORIGMARK; |
417 | RETURNOP(cLISTOP->op_first); |
418 | } |
419 | } |
420 | else { |
421 | t = linemark; |
422 | lines--; |
423 | } |
424 | break; |
425 | |
426 | case FF_MORE: |
427 | if (itemsize) { |
428 | arg = fieldsize - itemsize; |
429 | if (arg) { |
430 | fieldsize -= arg; |
431 | while (arg-- > 0) |
432 | *t++ = ' '; |
433 | } |
434 | s = t - 3; |
435 | if (strnEQ(s," ",3)) { |
436 | while (s > SvPVX(formtarget) && isSPACE(s[-1])) |
437 | s--; |
438 | } |
439 | *s++ = '.'; |
440 | *s++ = '.'; |
441 | *s++ = '.'; |
442 | } |
443 | break; |
444 | |
445 | case FF_END: |
446 | *t = '\0'; |
447 | SvCUR_set(formtarget, t - SvPVX(formtarget)); |
448 | FmLINES(formtarget) += lines; |
449 | SP = ORIGMARK; |
450 | RETPUSHYES; |
451 | } |
452 | } |
453 | } |
454 | |
455 | PP(pp_grepstart) |
456 | { |
457 | dSP; |
458 | SV *src; |
459 | |
460 | if (stack_base + *markstack_ptr == sp) { |
461 | (void)POPMARK; |
462 | if (GIMME != G_ARRAY) |
463 | XPUSHs(&sv_no); |
464 | RETURNOP(op->op_next->op_next); |
465 | } |
466 | stack_sp = stack_base + *markstack_ptr + 1; |
467 | pp_pushmark(); /* push dst */ |
468 | pp_pushmark(); /* push src */ |
469 | ENTER; /* enter outer scope */ |
470 | |
471 | SAVETMPS; |
472 | SAVESPTR(GvSV(defgv)); |
473 | |
474 | ENTER; /* enter inner scope */ |
475 | SAVESPTR(curpm); |
476 | |
477 | src = stack_base[*markstack_ptr]; |
478 | SvTEMP_off(src); |
479 | GvSV(defgv) = src; |
480 | |
481 | PUTBACK; |
482 | if (op->op_type == OP_MAPSTART) |
483 | pp_pushmark(); /* push top */ |
484 | return ((LOGOP*)op->op_next)->op_other; |
485 | } |
486 | |
487 | PP(pp_mapstart) |
488 | { |
489 | DIE("panic: mapstart"); /* uses grepstart */ |
490 | } |
491 | |
492 | PP(pp_mapwhile) |
493 | { |
494 | dSP; |
495 | I32 diff = (sp - stack_base) - *markstack_ptr; |
496 | I32 count; |
497 | I32 shift; |
498 | SV** src; |
499 | SV** dst; |
500 | |
501 | ++markstack_ptr[-1]; |
502 | if (diff) { |
503 | if (diff > markstack_ptr[-1] - markstack_ptr[-2]) { |
504 | shift = diff - (markstack_ptr[-1] - markstack_ptr[-2]); |
505 | count = (sp - stack_base) - markstack_ptr[-1] + 2; |
506 | |
507 | EXTEND(sp,shift); |
508 | src = sp; |
509 | dst = (sp += shift); |
510 | markstack_ptr[-1] += shift; |
511 | *markstack_ptr += shift; |
512 | while (--count) |
513 | *dst-- = *src--; |
514 | } |
515 | dst = stack_base + (markstack_ptr[-2] += diff) - 1; |
516 | ++diff; |
517 | while (--diff) |
518 | *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs); |
519 | } |
520 | LEAVE; /* exit inner scope */ |
521 | |
522 | /* All done yet? */ |
523 | if (markstack_ptr[-1] > *markstack_ptr) { |
524 | I32 items; |
525 | |
526 | (void)POPMARK; /* pop top */ |
527 | LEAVE; /* exit outer scope */ |
528 | (void)POPMARK; /* pop src */ |
529 | items = --*markstack_ptr - markstack_ptr[-1]; |
530 | (void)POPMARK; /* pop dst */ |
531 | SP = stack_base + POPMARK; /* pop original mark */ |
532 | if (GIMME != G_ARRAY) { |
533 | dTARGET; |
534 | XPUSHi(items); |
535 | RETURN; |
536 | } |
537 | SP += items; |
538 | RETURN; |
539 | } |
540 | else { |
541 | SV *src; |
542 | |
543 | ENTER; /* enter inner scope */ |
544 | SAVESPTR(curpm); |
545 | |
546 | src = stack_base[markstack_ptr[-1]]; |
547 | SvTEMP_off(src); |
548 | GvSV(defgv) = src; |
549 | |
550 | RETURNOP(cLOGOP->op_other); |
551 | } |
552 | } |
553 | |
554 | |
555 | PP(pp_sort) |
556 | { |
557 | dSP; dMARK; dORIGMARK; |
558 | register SV **up; |
559 | SV **myorigmark = ORIGMARK; |
560 | register I32 max; |
561 | HV *stash; |
562 | GV *gv; |
563 | CV *cv; |
564 | I32 gimme = GIMME; |
565 | OP* nextop = op->op_next; |
566 | |
567 | if (gimme != G_ARRAY) { |
568 | SP = MARK; |
569 | RETPUSHUNDEF; |
570 | } |
571 | |
572 | if (op->op_flags & OPf_STACKED) { |
573 | ENTER; |
574 | if (op->op_flags & OPf_SPECIAL) { |
575 | OP *kid = cLISTOP->op_first->op_sibling; /* pass pushmark */ |
576 | kid = kUNOP->op_first; /* pass rv2gv */ |
577 | kid = kUNOP->op_first; /* pass leave */ |
578 | sortcop = kid->op_next; |
579 | stash = curcop->cop_stash; |
580 | } |
581 | else { |
582 | cv = sv_2cv(*++MARK, &stash, &gv, 0); |
583 | if (!(cv && CvROOT(cv))) { |
584 | if (gv) { |
585 | SV *tmpstr = sv_newmortal(); |
e5cf08de |
586 | gv_efullname3(tmpstr, gv, Nullch); |
a0d0e21e |
587 | if (cv && CvXSUB(cv)) |
588 | DIE("Xsub \"%s\" called in sort", SvPVX(tmpstr)); |
589 | DIE("Undefined sort subroutine \"%s\" called", |
590 | SvPVX(tmpstr)); |
591 | } |
592 | if (cv) { |
593 | if (CvXSUB(cv)) |
594 | DIE("Xsub called in sort"); |
595 | DIE("Undefined subroutine in sort"); |
596 | } |
597 | DIE("Not a CODE reference in sort"); |
598 | } |
599 | sortcop = CvSTART(cv); |
600 | SAVESPTR(CvROOT(cv)->op_ppaddr); |
601 | CvROOT(cv)->op_ppaddr = ppaddr[OP_NULL]; |
602 | |
603 | SAVESPTR(curpad); |
604 | curpad = AvARRAY((AV*)AvARRAY(CvPADLIST(cv))[1]); |
605 | } |
606 | } |
607 | else { |
608 | sortcop = Nullop; |
609 | stash = curcop->cop_stash; |
610 | } |
611 | |
612 | up = myorigmark + 1; |
613 | while (MARK < SP) { /* This may or may not shift down one here. */ |
614 | /*SUPPRESS 560*/ |
615 | if (*up = *++MARK) { /* Weed out nulls. */ |
9f8d30d5 |
616 | SvTEMP_off(*up); |
617 | if (!sortcop && !SvPOK(*up)) |
a0d0e21e |
618 | (void)sv_2pv(*up, &na); |
a0d0e21e |
619 | up++; |
620 | } |
621 | } |
622 | max = --up - myorigmark; |
623 | if (sortcop) { |
624 | if (max > 1) { |
625 | AV *oldstack; |
626 | CONTEXT *cx; |
627 | SV** newsp; |
628 | |
629 | SAVETMPS; |
630 | SAVESPTR(op); |
631 | |
1ce6579f |
632 | oldstack = curstack; |
a0d0e21e |
633 | if (!sortstack) { |
634 | sortstack = newAV(); |
635 | AvREAL_off(sortstack); |
636 | av_extend(sortstack, 32); |
637 | } |
1ce6579f |
638 | SWITCHSTACK(curstack, sortstack); |
a0d0e21e |
639 | if (sortstash != stash) { |
640 | firstgv = gv_fetchpv("a", TRUE, SVt_PV); |
641 | secondgv = gv_fetchpv("b", TRUE, SVt_PV); |
642 | sortstash = stash; |
643 | } |
644 | |
645 | SAVESPTR(GvSV(firstgv)); |
646 | SAVESPTR(GvSV(secondgv)); |
0a753a76 |
647 | PUSHBLOCK(cx, CXt_NULL, stack_base); |
a0d0e21e |
648 | sortcxix = cxstack_ix; |
649 | |
650 | qsort((char*)(myorigmark+1), max, sizeof(SV*), sortcv); |
651 | |
652 | POPBLOCK(cx,curpm); |
653 | SWITCHSTACK(sortstack, oldstack); |
654 | } |
655 | LEAVE; |
656 | } |
657 | else { |
658 | if (max > 1) { |
659 | MEXTEND(SP, 20); /* Can't afford stack realloc on signal. */ |
bbce6d69 |
660 | qsort((char*)(ORIGMARK+1), max, sizeof(SV*), |
661 | (op->op_private & OPpLOCALE) ? sortcmp_locale : sortcmp); |
a0d0e21e |
662 | } |
663 | } |
664 | stack_sp = ORIGMARK + max; |
665 | return nextop; |
666 | } |
667 | |
668 | /* Range stuff. */ |
669 | |
670 | PP(pp_range) |
671 | { |
672 | if (GIMME == G_ARRAY) |
673 | return cCONDOP->op_true; |
674 | return SvTRUEx(PAD_SV(op->op_targ)) ? cCONDOP->op_false : cCONDOP->op_true; |
675 | } |
676 | |
677 | PP(pp_flip) |
678 | { |
679 | dSP; |
680 | |
681 | if (GIMME == G_ARRAY) { |
682 | RETURNOP(((CONDOP*)cUNOP->op_first)->op_false); |
683 | } |
684 | else { |
685 | dTOPss; |
686 | SV *targ = PAD_SV(op->op_targ); |
687 | |
688 | if ((op->op_private & OPpFLIP_LINENUM) |
689 | ? last_in_gv && SvIV(sv) == IoLINES(GvIOp(last_in_gv)) |
690 | : SvTRUE(sv) ) { |
691 | sv_setiv(PAD_SV(cUNOP->op_first->op_targ), 1); |
692 | if (op->op_flags & OPf_SPECIAL) { |
693 | sv_setiv(targ, 1); |
694 | RETURN; |
695 | } |
696 | else { |
697 | sv_setiv(targ, 0); |
698 | sp--; |
699 | RETURNOP(((CONDOP*)cUNOP->op_first)->op_false); |
700 | } |
701 | } |
702 | sv_setpv(TARG, ""); |
703 | SETs(targ); |
704 | RETURN; |
705 | } |
706 | } |
707 | |
708 | PP(pp_flop) |
709 | { |
710 | dSP; |
711 | |
712 | if (GIMME == G_ARRAY) { |
713 | dPOPPOPssrl; |
714 | register I32 i; |
715 | register SV *sv; |
716 | I32 max; |
717 | |
4633a7c4 |
718 | if (SvNIOKp(left) || !SvPOKp(left) || |
bbce6d69 |
719 | (looks_like_number(left) && *SvPVX(left) != '0') ) |
720 | { |
a0d0e21e |
721 | i = SvIV(left); |
722 | max = SvIV(right); |
bbce6d69 |
723 | if (max >= i) { |
724 | EXTEND_MORTAL(max - i + 1); |
a0d0e21e |
725 | EXTEND(SP, max - i + 1); |
bbce6d69 |
726 | } |
a0d0e21e |
727 | while (i <= max) { |
bbce6d69 |
728 | sv = sv_2mortal(newSViv(i++)); |
a0d0e21e |
729 | PUSHs(sv); |
730 | } |
731 | } |
732 | else { |
733 | SV *final = sv_mortalcopy(right); |
734 | STRLEN len; |
735 | char *tmps = SvPV(final, len); |
736 | |
737 | sv = sv_mortalcopy(left); |
4633a7c4 |
738 | while (!SvNIOKp(sv) && SvCUR(sv) <= len && |
a0d0e21e |
739 | strNE(SvPVX(sv),tmps) ) { |
740 | XPUSHs(sv); |
741 | sv = sv_2mortal(newSVsv(sv)); |
742 | sv_inc(sv); |
743 | } |
744 | if (strEQ(SvPVX(sv),tmps)) |
745 | XPUSHs(sv); |
746 | } |
747 | } |
748 | else { |
749 | dTOPss; |
750 | SV *targ = PAD_SV(cUNOP->op_first->op_targ); |
751 | sv_inc(targ); |
752 | if ((op->op_private & OPpFLIP_LINENUM) |
753 | ? last_in_gv && SvIV(sv) == IoLINES(GvIOp(last_in_gv)) |
754 | : SvTRUE(sv) ) { |
755 | sv_setiv(PAD_SV(((UNOP*)cUNOP->op_first)->op_first->op_targ), 0); |
756 | sv_catpv(targ, "E0"); |
757 | } |
758 | SETs(targ); |
759 | } |
760 | |
761 | RETURN; |
762 | } |
763 | |
764 | /* Control. */ |
765 | |
766 | static I32 |
767 | dopoptolabel(label) |
768 | char *label; |
769 | { |
770 | register I32 i; |
771 | register CONTEXT *cx; |
772 | |
773 | for (i = cxstack_ix; i >= 0; i--) { |
774 | cx = &cxstack[i]; |
775 | switch (cx->cx_type) { |
776 | case CXt_SUBST: |
777 | if (dowarn) |
778 | warn("Exiting substitution via %s", op_name[op->op_type]); |
779 | break; |
780 | case CXt_SUB: |
781 | if (dowarn) |
782 | warn("Exiting subroutine via %s", op_name[op->op_type]); |
783 | break; |
784 | case CXt_EVAL: |
785 | if (dowarn) |
786 | warn("Exiting eval via %s", op_name[op->op_type]); |
787 | break; |
0a753a76 |
788 | case CXt_NULL: |
789 | if (dowarn) |
790 | warn("Exiting pseudo-block via %s", op_name[op->op_type]); |
791 | return -1; |
a0d0e21e |
792 | case CXt_LOOP: |
793 | if (!cx->blk_loop.label || |
794 | strNE(label, cx->blk_loop.label) ) { |
795 | DEBUG_l(deb("(Skipping label #%d %s)\n", |
796 | i, cx->blk_loop.label)); |
797 | continue; |
798 | } |
799 | DEBUG_l( deb("(Found label #%d %s)\n", i, label)); |
800 | return i; |
801 | } |
802 | } |
803 | return i; |
804 | } |
805 | |
e50aee73 |
806 | I32 |
807 | dowantarray() |
808 | { |
809 | I32 cxix; |
810 | |
811 | cxix = dopoptosub(cxstack_ix); |
812 | if (cxix < 0) |
813 | return G_SCALAR; |
814 | |
815 | if (cxstack[cxix].blk_gimme == G_ARRAY) |
816 | return G_ARRAY; |
817 | else |
818 | return G_SCALAR; |
819 | } |
820 | |
a0d0e21e |
821 | static I32 |
822 | dopoptosub(startingblock) |
823 | I32 startingblock; |
824 | { |
825 | I32 i; |
826 | register CONTEXT *cx; |
827 | for (i = startingblock; i >= 0; i--) { |
828 | cx = &cxstack[i]; |
829 | switch (cx->cx_type) { |
830 | default: |
831 | continue; |
832 | case CXt_EVAL: |
833 | case CXt_SUB: |
834 | DEBUG_l( deb("(Found sub #%d)\n", i)); |
835 | return i; |
836 | } |
837 | } |
838 | return i; |
839 | } |
840 | |
841 | static I32 |
842 | dopoptoeval(startingblock) |
843 | I32 startingblock; |
844 | { |
845 | I32 i; |
846 | register CONTEXT *cx; |
847 | for (i = startingblock; i >= 0; i--) { |
848 | cx = &cxstack[i]; |
849 | switch (cx->cx_type) { |
850 | default: |
851 | continue; |
852 | case CXt_EVAL: |
853 | DEBUG_l( deb("(Found eval #%d)\n", i)); |
854 | return i; |
855 | } |
856 | } |
857 | return i; |
858 | } |
859 | |
860 | static I32 |
861 | dopoptoloop(startingblock) |
862 | I32 startingblock; |
863 | { |
864 | I32 i; |
865 | register CONTEXT *cx; |
866 | for (i = startingblock; i >= 0; i--) { |
867 | cx = &cxstack[i]; |
868 | switch (cx->cx_type) { |
869 | case CXt_SUBST: |
870 | if (dowarn) |
5f05dabc |
871 | warn("Exiting substitution via %s", op_name[op->op_type]); |
a0d0e21e |
872 | break; |
873 | case CXt_SUB: |
874 | if (dowarn) |
875 | warn("Exiting subroutine via %s", op_name[op->op_type]); |
876 | break; |
877 | case CXt_EVAL: |
878 | if (dowarn) |
879 | warn("Exiting eval via %s", op_name[op->op_type]); |
880 | break; |
0a753a76 |
881 | case CXt_NULL: |
882 | if (dowarn) |
883 | warn("Exiting pseudo-block via %s", op_name[op->op_type]); |
884 | return -1; |
a0d0e21e |
885 | case CXt_LOOP: |
886 | DEBUG_l( deb("(Found loop #%d)\n", i)); |
887 | return i; |
888 | } |
889 | } |
890 | return i; |
891 | } |
892 | |
893 | void |
894 | dounwind(cxix) |
895 | I32 cxix; |
896 | { |
897 | register CONTEXT *cx; |
898 | SV **newsp; |
899 | I32 optype; |
900 | |
901 | while (cxstack_ix > cxix) { |
902 | cx = &cxstack[cxstack_ix--]; |
760ac839 |
903 | DEBUG_l(PerlIO_printf(Perl_debug_log, "Unwinding block %ld, type %s\n", (long) cxstack_ix+1, |
a0d0e21e |
904 | block_type[cx->cx_type])); |
905 | /* Note: we don't need to restore the base context info till the end. */ |
906 | switch (cx->cx_type) { |
907 | case CXt_SUB: |
908 | POPSUB(cx); |
909 | break; |
910 | case CXt_EVAL: |
911 | POPEVAL(cx); |
912 | break; |
913 | case CXt_LOOP: |
914 | POPLOOP(cx); |
915 | break; |
0a753a76 |
916 | case CXt_NULL: |
a0d0e21e |
917 | case CXt_SUBST: |
918 | break; |
919 | } |
920 | } |
921 | } |
922 | |
a0d0e21e |
923 | OP * |
924 | die_where(message) |
925 | char *message; |
926 | { |
927 | if (in_eval) { |
928 | I32 cxix; |
929 | register CONTEXT *cx; |
930 | I32 gimme; |
931 | SV **newsp; |
932 | |
4633a7c4 |
933 | if (in_eval & 4) { |
934 | SV **svp; |
935 | STRLEN klen = strlen(message); |
936 | |
937 | svp = hv_fetch(GvHV(errgv), message, klen, TRUE); |
938 | if (svp) { |
939 | if (!SvIOK(*svp)) { |
940 | static char prefix[] = "\t(in cleanup) "; |
941 | sv_upgrade(*svp, SVt_IV); |
942 | (void)SvIOK_only(*svp); |
943 | SvGROW(GvSV(errgv), SvCUR(GvSV(errgv))+sizeof(prefix)+klen); |
944 | sv_catpvn(GvSV(errgv), prefix, sizeof(prefix)-1); |
945 | sv_catpvn(GvSV(errgv), message, klen); |
946 | } |
947 | sv_inc(*svp); |
948 | } |
949 | } |
950 | else |
c07a80fd |
951 | sv_setpv(GvSV(errgv), message); |
4633a7c4 |
952 | |
a0d0e21e |
953 | cxix = dopoptoeval(cxstack_ix); |
954 | if (cxix >= 0) { |
955 | I32 optype; |
956 | |
957 | if (cxix < cxstack_ix) |
958 | dounwind(cxix); |
959 | |
960 | POPBLOCK(cx,curpm); |
961 | if (cx->cx_type != CXt_EVAL) { |
760ac839 |
962 | PerlIO_printf(PerlIO_stderr(), "panic: die %s", message); |
a0d0e21e |
963 | my_exit(1); |
964 | } |
965 | POPEVAL(cx); |
966 | |
967 | if (gimme == G_SCALAR) |
968 | *++newsp = &sv_undef; |
969 | stack_sp = newsp; |
970 | |
971 | LEAVE; |
748a9306 |
972 | |
a0d0e21e |
973 | if (optype == OP_REQUIRE) |
4633a7c4 |
974 | DIE("%s", SvPVx(GvSV(errgv), na)); |
a0d0e21e |
975 | return pop_return(); |
976 | } |
977 | } |
760ac839 |
978 | PerlIO_printf(PerlIO_stderr(), "%s",message); |
979 | PerlIO_flush(PerlIO_stderr()); |
f86702cc |
980 | my_failure_exit(); |
981 | /* NOTREACHED */ |
a0d0e21e |
982 | return 0; |
983 | } |
984 | |
985 | PP(pp_xor) |
986 | { |
987 | dSP; dPOPTOPssrl; |
988 | if (SvTRUE(left) != SvTRUE(right)) |
989 | RETSETYES; |
990 | else |
991 | RETSETNO; |
992 | } |
993 | |
994 | PP(pp_andassign) |
995 | { |
996 | dSP; |
997 | if (!SvTRUE(TOPs)) |
998 | RETURN; |
999 | else |
1000 | RETURNOP(cLOGOP->op_other); |
1001 | } |
1002 | |
1003 | PP(pp_orassign) |
1004 | { |
1005 | dSP; |
1006 | if (SvTRUE(TOPs)) |
1007 | RETURN; |
1008 | else |
1009 | RETURNOP(cLOGOP->op_other); |
1010 | } |
1011 | |
1012 | #ifdef DEPRECATED |
1013 | PP(pp_entersubr) |
1014 | { |
1015 | dSP; |
1016 | SV** mark = (stack_base + *markstack_ptr + 1); |
1017 | SV* cv = *mark; |
1018 | while (mark < sp) { /* emulate old interface */ |
1019 | *mark = mark[1]; |
1020 | mark++; |
1021 | } |
1022 | *sp = cv; |
1023 | return pp_entersub(); |
1024 | } |
1025 | #endif |
1026 | |
1027 | PP(pp_caller) |
1028 | { |
1029 | dSP; |
1030 | register I32 cxix = dopoptosub(cxstack_ix); |
1031 | register CONTEXT *cx; |
1032 | I32 dbcxix; |
1033 | SV *sv; |
1034 | I32 count = 0; |
1035 | |
1036 | if (MAXARG) |
1037 | count = POPi; |
1038 | EXTEND(SP, 6); |
1039 | for (;;) { |
1040 | if (cxix < 0) { |
1041 | if (GIMME != G_ARRAY) |
1042 | RETPUSHUNDEF; |
1043 | RETURN; |
1044 | } |
1045 | if (DBsub && cxix >= 0 && |
1046 | cxstack[cxix].blk_sub.cv == GvCV(DBsub)) |
1047 | count++; |
1048 | if (!count--) |
1049 | break; |
1050 | cxix = dopoptosub(cxix - 1); |
1051 | } |
1052 | cx = &cxstack[cxix]; |
06a5b730 |
1053 | if (cxstack[cxix].cx_type == CXt_SUB) { |
1054 | dbcxix = dopoptosub(cxix - 1); |
1055 | /* We expect that cxstack[dbcxix] is CXt_SUB, anyway, the |
1056 | field below is defined for any cx. */ |
1057 | if (DBsub && dbcxix >= 0 && cxstack[dbcxix].blk_sub.cv == GvCV(DBsub)) |
1058 | cx = &cxstack[dbcxix]; |
1059 | } |
1060 | |
a0d0e21e |
1061 | if (GIMME != G_ARRAY) { |
1062 | dTARGET; |
1063 | |
1064 | sv_setpv(TARG, HvNAME(cx->blk_oldcop->cop_stash)); |
1065 | PUSHs(TARG); |
1066 | RETURN; |
1067 | } |
a0d0e21e |
1068 | |
1069 | PUSHs(sv_2mortal(newSVpv(HvNAME(cx->blk_oldcop->cop_stash), 0))); |
1070 | PUSHs(sv_2mortal(newSVpv(SvPVX(GvSV(cx->blk_oldcop->cop_filegv)), 0))); |
1071 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_oldcop->cop_line))); |
1072 | if (!MAXARG) |
1073 | RETURN; |
06a5b730 |
1074 | if (cx->cx_type == CXt_SUB) { /* So is cxstack[dbcxix]. */ |
a0d0e21e |
1075 | sv = NEWSV(49, 0); |
e5cf08de |
1076 | gv_efullname3(sv, CvGV(cxstack[cxix].blk_sub.cv), Nullch); |
a0d0e21e |
1077 | PUSHs(sv_2mortal(sv)); |
1078 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_sub.hasargs))); |
1079 | } |
1080 | else { |
1081 | PUSHs(sv_2mortal(newSVpv("(eval)",0))); |
1082 | PUSHs(sv_2mortal(newSViv(0))); |
1083 | } |
1084 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_gimme))); |
4633a7c4 |
1085 | if (cx->cx_type == CXt_EVAL) { |
06a5b730 |
1086 | if (cx->blk_eval.old_op_type == OP_ENTEREVAL) { |
4633a7c4 |
1087 | PUSHs(cx->blk_eval.cur_text); |
06a5b730 |
1088 | PUSHs(&sv_no); |
1089 | } |
1090 | else if (cx->blk_eval.old_name) { /* Try blocks have old_name == 0. */ |
1091 | /* Require, put the name. */ |
1092 | PUSHs(sv_2mortal(newSVpv(cx->blk_eval.old_name, 0))); |
1093 | PUSHs(&sv_yes); |
1094 | } |
4633a7c4 |
1095 | } |
1096 | else if (cx->cx_type == CXt_SUB && |
1097 | cx->blk_sub.hasargs && |
1098 | curcop->cop_stash == debstash) |
1099 | { |
a0d0e21e |
1100 | AV *ary = cx->blk_sub.argarray; |
1101 | int off = AvARRAY(ary) - AvALLOC(ary); |
1102 | |
1103 | if (!dbargs) { |
1104 | GV* tmpgv; |
1105 | dbargs = GvAV(gv_AVadd(tmpgv = gv_fetchpv("DB::args", TRUE, |
1106 | SVt_PVAV))); |
a5f75d66 |
1107 | GvMULTI_on(tmpgv); |
a0d0e21e |
1108 | AvREAL_off(dbargs); /* XXX Should be REIFY */ |
1109 | } |
1110 | |
1111 | if (AvMAX(dbargs) < AvFILL(ary) + off) |
1112 | av_extend(dbargs, AvFILL(ary) + off); |
1113 | Copy(AvALLOC(ary), AvARRAY(dbargs), AvFILL(ary) + 1 + off, SV*); |
1114 | AvFILL(dbargs) = AvFILL(ary) + off; |
1115 | } |
1116 | RETURN; |
1117 | } |
1118 | |
1119 | static int |
1120 | sortcv(a, b) |
1121 | const void *a; |
1122 | const void *b; |
1123 | { |
1124 | SV **str1 = (SV **) a; |
1125 | SV **str2 = (SV **) b; |
748a9306 |
1126 | I32 oldsaveix = savestack_ix; |
a0d0e21e |
1127 | I32 oldscopeix = scopestack_ix; |
1128 | I32 result; |
1129 | GvSV(firstgv) = *str1; |
1130 | GvSV(secondgv) = *str2; |
1131 | stack_sp = stack_base; |
1132 | op = sortcop; |
a6c477ed |
1133 | runops(); |
a0d0e21e |
1134 | if (stack_sp != stack_base + 1) |
1135 | croak("Sort subroutine didn't return single value"); |
748a9306 |
1136 | if (!SvNIOKp(*stack_sp)) |
a0d0e21e |
1137 | croak("Sort subroutine didn't return a numeric value"); |
1138 | result = SvIV(*stack_sp); |
1139 | while (scopestack_ix > oldscopeix) { |
1140 | LEAVE; |
1141 | } |
748a9306 |
1142 | leave_scope(oldsaveix); |
a0d0e21e |
1143 | return result; |
1144 | } |
1145 | |
1146 | static int |
1147 | sortcmp(a, b) |
1148 | const void *a; |
1149 | const void *b; |
1150 | { |
bbce6d69 |
1151 | return sv_cmp(*(SV **)a, *(SV **)b); |
1152 | } |
e5cf08de |
1153 | |
bbce6d69 |
1154 | static int |
1155 | sortcmp_locale(a, b) |
1156 | const void *a; |
1157 | const void *b; |
1158 | { |
1159 | return sv_cmp_locale(*(SV **)a, *(SV **)b); |
a0d0e21e |
1160 | } |
1161 | |
1162 | PP(pp_reset) |
1163 | { |
1164 | dSP; |
1165 | char *tmps; |
1166 | |
1167 | if (MAXARG < 1) |
1168 | tmps = ""; |
1169 | else |
1170 | tmps = POPp; |
1171 | sv_reset(tmps, curcop->cop_stash); |
1172 | PUSHs(&sv_yes); |
1173 | RETURN; |
1174 | } |
1175 | |
1176 | PP(pp_lineseq) |
1177 | { |
1178 | return NORMAL; |
1179 | } |
1180 | |
1181 | PP(pp_dbstate) |
1182 | { |
1183 | curcop = (COP*)op; |
1184 | TAINT_NOT; /* Each statement is presumed innocent */ |
1185 | stack_sp = stack_base + cxstack[cxstack_ix].blk_oldsp; |
1186 | FREETMPS; |
1187 | |
1188 | if (op->op_private || SvIV(DBsingle) || SvIV(DBsignal) || SvIV(DBtrace)) |
1189 | { |
1190 | SV **sp; |
1191 | register CV *cv; |
1192 | register CONTEXT *cx; |
748a9306 |
1193 | I32 gimme = G_ARRAY; |
a0d0e21e |
1194 | I32 hasargs; |
1195 | GV *gv; |
1196 | |
a0d0e21e |
1197 | gv = DBgv; |
1198 | cv = GvCV(gv); |
a0d0e21e |
1199 | if (!cv) |
1200 | DIE("No DB::DB routine defined"); |
1201 | |
06a5b730 |
1202 | if (CvDEPTH(cv) >= 1 && !(debug & (1<<30))) /* don't do recursive DB::DB call */ |
a0d0e21e |
1203 | return NORMAL; |
748a9306 |
1204 | |
4633a7c4 |
1205 | ENTER; |
1206 | SAVETMPS; |
1207 | |
748a9306 |
1208 | SAVEI32(debug); |
55497cff |
1209 | SAVESTACK_POS(); |
748a9306 |
1210 | debug = 0; |
1211 | hasargs = 0; |
1212 | sp = stack_sp; |
1213 | |
a0d0e21e |
1214 | push_return(op->op_next); |
748a9306 |
1215 | PUSHBLOCK(cx, CXt_SUB, sp); |
a0d0e21e |
1216 | PUSHSUB(cx); |
1217 | CvDEPTH(cv)++; |
1218 | (void)SvREFCNT_inc(cv); |
1219 | SAVESPTR(curpad); |
1220 | curpad = AvARRAY((AV*)*av_fetch(CvPADLIST(cv),1,FALSE)); |
1221 | RETURNOP(CvSTART(cv)); |
1222 | } |
1223 | else |
1224 | return NORMAL; |
1225 | } |
1226 | |
1227 | PP(pp_scope) |
1228 | { |
1229 | return NORMAL; |
1230 | } |
1231 | |
1232 | PP(pp_enteriter) |
1233 | { |
1234 | dSP; dMARK; |
1235 | register CONTEXT *cx; |
1236 | I32 gimme = GIMME; |
1237 | SV **svp; |
1238 | |
4633a7c4 |
1239 | ENTER; |
1240 | SAVETMPS; |
1241 | |
a0d0e21e |
1242 | if (op->op_targ) |
1243 | svp = &curpad[op->op_targ]; /* "my" variable */ |
1244 | else |
1245 | svp = &GvSV((GV*)POPs); /* symbol table variable */ |
1246 | |
4633a7c4 |
1247 | SAVESPTR(*svp); |
1248 | |
a0d0e21e |
1249 | ENTER; |
1250 | |
1251 | PUSHBLOCK(cx, CXt_LOOP, SP); |
1252 | PUSHLOOP(cx, svp, MARK); |
44a8e56a |
1253 | if (op->op_flags & OPf_STACKED) |
1254 | cx->blk_loop.iterary = (AV*)SvREFCNT_inc(POPs); |
4633a7c4 |
1255 | else { |
1ce6579f |
1256 | cx->blk_loop.iterary = curstack; |
1257 | AvFILL(curstack) = sp - stack_base; |
4633a7c4 |
1258 | cx->blk_loop.iterix = MARK - stack_base; |
1259 | } |
a0d0e21e |
1260 | |
1261 | RETURN; |
1262 | } |
1263 | |
1264 | PP(pp_enterloop) |
1265 | { |
1266 | dSP; |
1267 | register CONTEXT *cx; |
1268 | I32 gimme = GIMME; |
1269 | |
1270 | ENTER; |
1271 | SAVETMPS; |
1272 | ENTER; |
1273 | |
1274 | PUSHBLOCK(cx, CXt_LOOP, SP); |
1275 | PUSHLOOP(cx, 0, SP); |
1276 | |
1277 | RETURN; |
1278 | } |
1279 | |
1280 | PP(pp_leaveloop) |
1281 | { |
1282 | dSP; |
1283 | register CONTEXT *cx; |
f86702cc |
1284 | struct block_loop cxloop; |
a0d0e21e |
1285 | I32 gimme; |
1286 | SV **newsp; |
1287 | PMOP *newpm; |
1288 | SV **mark; |
1289 | |
1290 | POPBLOCK(cx,newpm); |
4fdae800 |
1291 | mark = newsp; |
f86702cc |
1292 | POPLOOP1(cx); /* Delay POPLOOP2 until stack values are safe */ |
1293 | |
a0d0e21e |
1294 | if (gimme == G_SCALAR) { |
1295 | if (op->op_private & OPpLEAVE_VOID) |
1296 | ; |
1297 | else { |
1298 | if (mark < SP) |
1299 | *++newsp = sv_mortalcopy(*SP); |
1300 | else |
1301 | *++newsp = &sv_undef; |
1302 | } |
1303 | } |
1304 | else { |
1305 | while (mark < SP) |
1306 | *++newsp = sv_mortalcopy(*++mark); |
1307 | } |
f86702cc |
1308 | SP = newsp; |
1309 | PUTBACK; |
1310 | |
1311 | POPLOOP2(); /* Stack values are safe: release loop vars ... */ |
1312 | curpm = newpm; /* ... and pop $1 et al */ |
1313 | |
a0d0e21e |
1314 | LEAVE; |
1315 | LEAVE; |
1316 | |
f86702cc |
1317 | return NORMAL; |
a0d0e21e |
1318 | } |
1319 | |
1320 | PP(pp_return) |
1321 | { |
1322 | dSP; dMARK; |
1323 | I32 cxix; |
1324 | register CONTEXT *cx; |
f86702cc |
1325 | struct block_sub cxsub; |
1326 | bool popsub2 = FALSE; |
a0d0e21e |
1327 | I32 gimme; |
1328 | SV **newsp; |
1329 | PMOP *newpm; |
1330 | I32 optype = 0; |
1331 | |
1ce6579f |
1332 | if (curstack == sortstack) { |
a0d0e21e |
1333 | if (cxstack_ix == sortcxix || dopoptosub(cxstack_ix) < sortcxix) { |
16d20bd9 |
1334 | if (cxstack_ix > sortcxix) |
1335 | dounwind(sortcxix); |
1ce6579f |
1336 | AvARRAY(curstack)[1] = *SP; |
a0d0e21e |
1337 | stack_sp = stack_base + 1; |
1338 | return 0; |
1339 | } |
1340 | } |
1341 | |
1342 | cxix = dopoptosub(cxstack_ix); |
1343 | if (cxix < 0) |
1344 | DIE("Can't return outside a subroutine"); |
1345 | if (cxix < cxstack_ix) |
1346 | dounwind(cxix); |
1347 | |
1348 | POPBLOCK(cx,newpm); |
1349 | switch (cx->cx_type) { |
1350 | case CXt_SUB: |
f86702cc |
1351 | POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */ |
1352 | popsub2 = TRUE; |
a0d0e21e |
1353 | break; |
1354 | case CXt_EVAL: |
1355 | POPEVAL(cx); |
748a9306 |
1356 | if (optype == OP_REQUIRE && |
1357 | (MARK == SP || (gimme == G_SCALAR && !SvTRUE(*SP))) ) |
1358 | { |
1359 | char *name = cx->blk_eval.old_name; |
1360 | (void)hv_delete(GvHVn(incgv), name, strlen(name), G_DISCARD); |
1361 | DIE("%s did not return a true value", name); |
1362 | } |
a0d0e21e |
1363 | break; |
1364 | default: |
1365 | DIE("panic: return"); |
1366 | break; |
1367 | } |
1368 | |
1369 | if (gimme == G_SCALAR) { |
1370 | if (MARK < SP) |
f86702cc |
1371 | *++newsp = (popsub2 && SvTEMP(*SP)) |
1372 | ? *SP : sv_mortalcopy(*SP); |
a0d0e21e |
1373 | else |
1374 | *++newsp = &sv_undef; |
a0d0e21e |
1375 | } |
1376 | else { |
f86702cc |
1377 | while (++MARK <= SP) |
1378 | *++newsp = (popsub2 && SvTEMP(*MARK)) |
1379 | ? *MARK : sv_mortalcopy(*MARK); |
a0d0e21e |
1380 | } |
a0d0e21e |
1381 | stack_sp = newsp; |
1382 | |
f86702cc |
1383 | /* Stack values are safe: */ |
1384 | if (popsub2) { |
1385 | POPSUB2(); /* release CV and @_ ... */ |
1386 | } |
1387 | curpm = newpm; /* ... and pop $1 et al */ |
1388 | |
a0d0e21e |
1389 | LEAVE; |
1390 | return pop_return(); |
1391 | } |
1392 | |
1393 | PP(pp_last) |
1394 | { |
1395 | dSP; |
1396 | I32 cxix; |
1397 | register CONTEXT *cx; |
f86702cc |
1398 | struct block_loop cxloop; |
1399 | struct block_sub cxsub; |
1400 | I32 pop2 = 0; |
a0d0e21e |
1401 | I32 gimme; |
1402 | I32 optype; |
1403 | OP *nextop; |
1404 | SV **newsp; |
1405 | PMOP *newpm; |
1406 | SV **mark = stack_base + cxstack[cxstack_ix].blk_oldsp; |
a0d0e21e |
1407 | |
1408 | if (op->op_flags & OPf_SPECIAL) { |
1409 | cxix = dopoptoloop(cxstack_ix); |
1410 | if (cxix < 0) |
1411 | DIE("Can't \"last\" outside a block"); |
1412 | } |
1413 | else { |
1414 | cxix = dopoptolabel(cPVOP->op_pv); |
1415 | if (cxix < 0) |
1416 | DIE("Label not found for \"last %s\"", cPVOP->op_pv); |
1417 | } |
1418 | if (cxix < cxstack_ix) |
1419 | dounwind(cxix); |
1420 | |
1421 | POPBLOCK(cx,newpm); |
1422 | switch (cx->cx_type) { |
1423 | case CXt_LOOP: |
f86702cc |
1424 | POPLOOP1(cx); /* Delay POPLOOP2 until stack values are safe */ |
1425 | pop2 = CXt_LOOP; |
4fdae800 |
1426 | nextop = cxloop.last_op->op_next; |
a0d0e21e |
1427 | break; |
f86702cc |
1428 | case CXt_SUB: |
1429 | POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */ |
1430 | pop2 = CXt_SUB; |
a0d0e21e |
1431 | nextop = pop_return(); |
1432 | break; |
f86702cc |
1433 | case CXt_EVAL: |
1434 | POPEVAL(cx); |
a0d0e21e |
1435 | nextop = pop_return(); |
1436 | break; |
1437 | default: |
1438 | DIE("panic: last"); |
1439 | break; |
1440 | } |
1441 | |
1442 | if (gimme == G_SCALAR) { |
f86702cc |
1443 | if (MARK < SP) |
1444 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*SP)) |
1445 | ? *SP : sv_mortalcopy(*SP); |
a0d0e21e |
1446 | else |
1447 | *++newsp = &sv_undef; |
1448 | } |
1449 | else { |
f86702cc |
1450 | while (++MARK <= SP) |
1451 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*MARK)) |
1452 | ? *MARK : sv_mortalcopy(*MARK); |
1453 | } |
1454 | SP = newsp; |
1455 | PUTBACK; |
1456 | |
1457 | /* Stack values are safe: */ |
1458 | switch (pop2) { |
1459 | case CXt_LOOP: |
1460 | POPLOOP2(); /* release loop vars ... */ |
4fdae800 |
1461 | LEAVE; |
f86702cc |
1462 | break; |
1463 | case CXt_SUB: |
1464 | POPSUB2(); /* release CV and @_ ... */ |
1465 | break; |
a0d0e21e |
1466 | } |
f86702cc |
1467 | curpm = newpm; /* ... and pop $1 et al */ |
a0d0e21e |
1468 | |
1469 | LEAVE; |
f86702cc |
1470 | return nextop; |
a0d0e21e |
1471 | } |
1472 | |
1473 | PP(pp_next) |
1474 | { |
1475 | I32 cxix; |
1476 | register CONTEXT *cx; |
1477 | I32 oldsave; |
1478 | |
1479 | if (op->op_flags & OPf_SPECIAL) { |
1480 | cxix = dopoptoloop(cxstack_ix); |
1481 | if (cxix < 0) |
1482 | DIE("Can't \"next\" outside a block"); |
1483 | } |
1484 | else { |
1485 | cxix = dopoptolabel(cPVOP->op_pv); |
1486 | if (cxix < 0) |
1487 | DIE("Label not found for \"next %s\"", cPVOP->op_pv); |
1488 | } |
1489 | if (cxix < cxstack_ix) |
1490 | dounwind(cxix); |
1491 | |
1492 | TOPBLOCK(cx); |
1493 | oldsave = scopestack[scopestack_ix - 1]; |
1494 | LEAVE_SCOPE(oldsave); |
1495 | return cx->blk_loop.next_op; |
1496 | } |
1497 | |
1498 | PP(pp_redo) |
1499 | { |
1500 | I32 cxix; |
1501 | register CONTEXT *cx; |
1502 | I32 oldsave; |
1503 | |
1504 | if (op->op_flags & OPf_SPECIAL) { |
1505 | cxix = dopoptoloop(cxstack_ix); |
1506 | if (cxix < 0) |
1507 | DIE("Can't \"redo\" outside a block"); |
1508 | } |
1509 | else { |
1510 | cxix = dopoptolabel(cPVOP->op_pv); |
1511 | if (cxix < 0) |
1512 | DIE("Label not found for \"redo %s\"", cPVOP->op_pv); |
1513 | } |
1514 | if (cxix < cxstack_ix) |
1515 | dounwind(cxix); |
1516 | |
1517 | TOPBLOCK(cx); |
1518 | oldsave = scopestack[scopestack_ix - 1]; |
1519 | LEAVE_SCOPE(oldsave); |
1520 | return cx->blk_loop.redo_op; |
1521 | } |
1522 | |
1523 | static OP* lastgotoprobe; |
1524 | |
1525 | static OP * |
1526 | dofindlabel(op,label,opstack) |
1527 | OP *op; |
1528 | char *label; |
1529 | OP **opstack; |
1530 | { |
1531 | OP *kid; |
1532 | OP **ops = opstack; |
1533 | |
1534 | if (op->op_type == OP_LEAVE || |
1535 | op->op_type == OP_SCOPE || |
1536 | op->op_type == OP_LEAVELOOP || |
1537 | op->op_type == OP_LEAVETRY) |
1538 | *ops++ = cUNOP->op_first; |
1539 | *ops = 0; |
1540 | if (op->op_flags & OPf_KIDS) { |
1541 | /* First try all the kids at this level, since that's likeliest. */ |
1542 | for (kid = cUNOP->op_first; kid; kid = kid->op_sibling) { |
1543 | if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) && |
1544 | kCOP->cop_label && strEQ(kCOP->cop_label, label)) |
1545 | return kid; |
1546 | } |
1547 | for (kid = cUNOP->op_first; kid; kid = kid->op_sibling) { |
1548 | if (kid == lastgotoprobe) |
1549 | continue; |
1550 | if (kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) { |
1551 | if (ops > opstack && |
1552 | (ops[-1]->op_type == OP_NEXTSTATE || |
1553 | ops[-1]->op_type == OP_DBSTATE)) |
1554 | *ops = kid; |
1555 | else |
1556 | *ops++ = kid; |
1557 | } |
1558 | if (op = dofindlabel(kid,label,ops)) |
1559 | return op; |
1560 | } |
1561 | } |
1562 | *ops = 0; |
1563 | return 0; |
1564 | } |
1565 | |
1566 | PP(pp_dump) |
1567 | { |
1568 | return pp_goto(ARGS); |
1569 | /*NOTREACHED*/ |
1570 | } |
1571 | |
1572 | PP(pp_goto) |
1573 | { |
1574 | dSP; |
1575 | OP *retop = 0; |
1576 | I32 ix; |
1577 | register CONTEXT *cx; |
1578 | OP *enterops[64]; |
1579 | char *label; |
1580 | int do_dump = (op->op_type == OP_DUMP); |
1581 | |
1582 | label = 0; |
1583 | if (op->op_flags & OPf_STACKED) { |
1584 | SV *sv = POPs; |
1585 | |
1586 | /* This egregious kludge implements goto &subroutine */ |
1587 | if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) { |
1588 | I32 cxix; |
1589 | register CONTEXT *cx; |
1590 | CV* cv = (CV*)SvRV(sv); |
1591 | SV** mark; |
1592 | I32 items = 0; |
1593 | I32 oldsave; |
1594 | |
4aa0a1f7 |
1595 | if (!CvROOT(cv) && !CvXSUB(cv)) { |
1596 | if (CvGV(cv)) { |
1597 | SV *tmpstr = sv_newmortal(); |
e5cf08de |
1598 | gv_efullname3(tmpstr, CvGV(cv), Nullch); |
4aa0a1f7 |
1599 | DIE("Goto undefined subroutine &%s",SvPVX(tmpstr)); |
1600 | } |
1601 | DIE("Goto undefined subroutine"); |
1602 | } |
1603 | |
a0d0e21e |
1604 | /* First do some returnish stuff. */ |
1605 | cxix = dopoptosub(cxstack_ix); |
1606 | if (cxix < 0) |
1607 | DIE("Can't goto subroutine outside a subroutine"); |
1608 | if (cxix < cxstack_ix) |
1609 | dounwind(cxix); |
1610 | TOPBLOCK(cx); |
1611 | mark = stack_sp; |
1612 | if (cx->blk_sub.hasargs) { /* put @_ back onto stack */ |
1613 | AV* av = cx->blk_sub.argarray; |
1614 | |
1615 | items = AvFILL(av) + 1; |
1ce6579f |
1616 | stack_sp++; |
1617 | EXTEND(stack_sp, items); /* @_ could have been extended. */ |
1618 | Copy(AvARRAY(av), stack_sp, items, SV*); |
a0d0e21e |
1619 | stack_sp += items; |
2c05e328 |
1620 | SvREFCNT_dec(GvAV(defgv)); |
a0d0e21e |
1621 | GvAV(defgv) = cx->blk_sub.savearray; |
a0d0e21e |
1622 | AvREAL_off(av); |
4633a7c4 |
1623 | av_clear(av); |
a0d0e21e |
1624 | } |
1625 | if (!(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth)) |
1626 | SvREFCNT_dec(cx->blk_sub.cv); |
1627 | oldsave = scopestack[scopestack_ix - 1]; |
1628 | LEAVE_SCOPE(oldsave); |
1629 | |
1630 | /* Now do some callish stuff. */ |
1631 | SAVETMPS; |
1632 | if (CvXSUB(cv)) { |
1633 | if (CvOLDSTYLE(cv)) { |
ecfc5424 |
1634 | I32 (*fp3)_((int,int,int)); |
a0d0e21e |
1635 | while (sp > mark) { |
1636 | sp[1] = sp[0]; |
1637 | sp--; |
1638 | } |
ecfc5424 |
1639 | fp3 = (I32(*)_((int,int,int)))CvXSUB(cv); |
1640 | items = (*fp3)(CvXSUBANY(cv).any_i32, |
1641 | mark - stack_base + 1, |
1642 | items); |
a0d0e21e |
1643 | sp = stack_base + items; |
1644 | } |
1645 | else { |
1ce6579f |
1646 | stack_sp--; /* There is no cv arg. */ |
a0d0e21e |
1647 | (void)(*CvXSUB(cv))(cv); |
1648 | } |
1649 | LEAVE; |
1650 | return pop_return(); |
1651 | } |
1652 | else { |
1653 | AV* padlist = CvPADLIST(cv); |
1654 | SV** svp = AvARRAY(padlist); |
1655 | cx->blk_sub.cv = cv; |
1656 | cx->blk_sub.olddepth = CvDEPTH(cv); |
1657 | CvDEPTH(cv)++; |
1658 | if (CvDEPTH(cv) < 2) |
1659 | (void)SvREFCNT_inc(cv); |
1660 | else { /* save temporaries on recursion? */ |
1661 | if (CvDEPTH(cv) == 100 && dowarn) |
44a8e56a |
1662 | sub_crush_depth(cv); |
a0d0e21e |
1663 | if (CvDEPTH(cv) > AvFILL(padlist)) { |
1664 | AV *newpad = newAV(); |
4aa0a1f7 |
1665 | SV **oldpad = AvARRAY(svp[CvDEPTH(cv)-1]); |
a0d0e21e |
1666 | I32 ix = AvFILL((AV*)svp[1]); |
1667 | svp = AvARRAY(svp[0]); |
748a9306 |
1668 | for ( ;ix > 0; ix--) { |
a0d0e21e |
1669 | if (svp[ix] != &sv_undef) { |
748a9306 |
1670 | char *name = SvPVX(svp[ix]); |
5f05dabc |
1671 | if ((SvFLAGS(svp[ix]) & SVf_FAKE) |
1672 | || *name == '&') |
1673 | { |
1674 | /* outer lexical or anon code */ |
748a9306 |
1675 | av_store(newpad, ix, |
4aa0a1f7 |
1676 | SvREFCNT_inc(oldpad[ix]) ); |
748a9306 |
1677 | } |
1678 | else { /* our own lexical */ |
1679 | if (*name == '@') |
1680 | av_store(newpad, ix, sv = (SV*)newAV()); |
1681 | else if (*name == '%') |
1682 | av_store(newpad, ix, sv = (SV*)newHV()); |
1683 | else |
1684 | av_store(newpad, ix, sv = NEWSV(0,0)); |
1685 | SvPADMY_on(sv); |
1686 | } |
a0d0e21e |
1687 | } |
1688 | else { |
748a9306 |
1689 | av_store(newpad, ix, sv = NEWSV(0,0)); |
a0d0e21e |
1690 | SvPADTMP_on(sv); |
1691 | } |
1692 | } |
1693 | if (cx->blk_sub.hasargs) { |
1694 | AV* av = newAV(); |
1695 | av_extend(av, 0); |
1696 | av_store(newpad, 0, (SV*)av); |
1697 | AvFLAGS(av) = AVf_REIFY; |
1698 | } |
1699 | av_store(padlist, CvDEPTH(cv), (SV*)newpad); |
1700 | AvFILL(padlist) = CvDEPTH(cv); |
1701 | svp = AvARRAY(padlist); |
1702 | } |
1703 | } |
1704 | SAVESPTR(curpad); |
1705 | curpad = AvARRAY((AV*)svp[CvDEPTH(cv)]); |
1706 | if (cx->blk_sub.hasargs) { |
1707 | AV* av = (AV*)curpad[0]; |
1708 | SV** ary; |
1709 | |
1710 | cx->blk_sub.savearray = GvAV(defgv); |
1711 | cx->blk_sub.argarray = av; |
2c05e328 |
1712 | GvAV(defgv) = (AV*)SvREFCNT_inc(av); |
a0d0e21e |
1713 | ++mark; |
1714 | |
1715 | if (items >= AvMAX(av) + 1) { |
1716 | ary = AvALLOC(av); |
1717 | if (AvARRAY(av) != ary) { |
1718 | AvMAX(av) += AvARRAY(av) - AvALLOC(av); |
1719 | SvPVX(av) = (char*)ary; |
1720 | } |
1721 | if (items >= AvMAX(av) + 1) { |
1722 | AvMAX(av) = items - 1; |
1723 | Renew(ary,items+1,SV*); |
1724 | AvALLOC(av) = ary; |
1725 | SvPVX(av) = (char*)ary; |
1726 | } |
1727 | } |
1728 | Copy(mark,AvARRAY(av),items,SV*); |
1729 | AvFILL(av) = items - 1; |
1730 | |
1731 | while (items--) { |
1732 | if (*mark) |
1733 | SvTEMP_off(*mark); |
1734 | mark++; |
1735 | } |
1736 | } |
f967eb5f |
1737 | if (perldb && curstash != debstash) { |
44a8e56a |
1738 | /* |
1739 | * We do not care about using sv to call CV; |
1740 | * it's for informational purposes only. |
1741 | */ |
1ce6579f |
1742 | SV *sv = GvSV(DBsub); |
1743 | save_item(sv); |
e5cf08de |
1744 | gv_efullname3(sv, CvGV(cv), Nullch); |
1ce6579f |
1745 | } |
a0d0e21e |
1746 | RETURNOP(CvSTART(cv)); |
1747 | } |
1748 | } |
1749 | else |
1750 | label = SvPV(sv,na); |
1751 | } |
1752 | else if (op->op_flags & OPf_SPECIAL) { |
1753 | if (! do_dump) |
1754 | DIE("goto must have label"); |
1755 | } |
1756 | else |
1757 | label = cPVOP->op_pv; |
1758 | |
1759 | if (label && *label) { |
1760 | OP *gotoprobe = 0; |
1761 | |
1762 | /* find label */ |
1763 | |
1764 | lastgotoprobe = 0; |
1765 | *enterops = 0; |
1766 | for (ix = cxstack_ix; ix >= 0; ix--) { |
1767 | cx = &cxstack[ix]; |
1768 | switch (cx->cx_type) { |
1769 | case CXt_SUB: |
1770 | gotoprobe = CvROOT(cx->blk_sub.cv); |
1771 | break; |
1772 | case CXt_EVAL: |
1773 | gotoprobe = eval_root; /* XXX not good for nested eval */ |
1774 | break; |
1775 | case CXt_LOOP: |
1776 | gotoprobe = cx->blk_oldcop->op_sibling; |
1777 | break; |
1778 | case CXt_SUBST: |
1779 | continue; |
1780 | case CXt_BLOCK: |
1781 | if (ix) |
1782 | gotoprobe = cx->blk_oldcop->op_sibling; |
1783 | else |
1784 | gotoprobe = main_root; |
1785 | break; |
0a753a76 |
1786 | case CXt_NULL: |
1787 | DIE("Can't \"goto\" outside a block"); |
1788 | break; |
a0d0e21e |
1789 | default: |
1790 | if (ix) |
1791 | DIE("panic: goto"); |
1792 | else |
1793 | gotoprobe = main_root; |
1794 | break; |
1795 | } |
1796 | retop = dofindlabel(gotoprobe, label, enterops); |
1797 | if (retop) |
1798 | break; |
1799 | lastgotoprobe = gotoprobe; |
1800 | } |
1801 | if (!retop) |
1802 | DIE("Can't find label %s", label); |
1803 | |
1804 | /* pop unwanted frames */ |
1805 | |
1806 | if (ix < cxstack_ix) { |
1807 | I32 oldsave; |
1808 | |
1809 | if (ix < 0) |
1810 | ix = 0; |
1811 | dounwind(ix); |
1812 | TOPBLOCK(cx); |
1813 | oldsave = scopestack[scopestack_ix]; |
1814 | LEAVE_SCOPE(oldsave); |
1815 | } |
1816 | |
1817 | /* push wanted frames */ |
1818 | |
748a9306 |
1819 | if (*enterops && enterops[1]) { |
a0d0e21e |
1820 | OP *oldop = op; |
748a9306 |
1821 | for (ix = 1; enterops[ix]; ix++) { |
a0d0e21e |
1822 | op = enterops[ix]; |
1823 | (*op->op_ppaddr)(); |
1824 | } |
1825 | op = oldop; |
1826 | } |
1827 | } |
1828 | |
1829 | if (do_dump) { |
a5f75d66 |
1830 | #ifdef VMS |
1831 | if (!retop) retop = main_start; |
1832 | #endif |
a0d0e21e |
1833 | restartop = retop; |
1834 | do_undump = TRUE; |
1835 | |
1836 | my_unexec(); |
1837 | |
1838 | restartop = 0; /* hmm, must be GNU unexec().. */ |
1839 | do_undump = FALSE; |
1840 | } |
1841 | |
1ce6579f |
1842 | if (curstack == signalstack) { |
748a9306 |
1843 | restartop = retop; |
a5f75d66 |
1844 | Siglongjmp(top_env, 3); |
748a9306 |
1845 | } |
1846 | |
a0d0e21e |
1847 | RETURNOP(retop); |
1848 | } |
1849 | |
1850 | PP(pp_exit) |
1851 | { |
1852 | dSP; |
1853 | I32 anum; |
1854 | |
1855 | if (MAXARG < 1) |
1856 | anum = 0; |
ff0cee69 |
1857 | else { |
a0d0e21e |
1858 | anum = SvIVx(POPs); |
ff0cee69 |
1859 | #ifdef VMSISH_EXIT |
1860 | if (anum == 1 && VMSISH_EXIT) |
1861 | anum = 0; |
1862 | #endif |
1863 | } |
a0d0e21e |
1864 | my_exit(anum); |
1865 | PUSHs(&sv_undef); |
1866 | RETURN; |
1867 | } |
1868 | |
1869 | #ifdef NOTYET |
1870 | PP(pp_nswitch) |
1871 | { |
1872 | dSP; |
1873 | double value = SvNVx(GvSV(cCOP->cop_gv)); |
1874 | register I32 match = I_32(value); |
1875 | |
1876 | if (value < 0.0) { |
1877 | if (((double)match) > value) |
1878 | --match; /* was fractional--truncate other way */ |
1879 | } |
1880 | match -= cCOP->uop.scop.scop_offset; |
1881 | if (match < 0) |
1882 | match = 0; |
1883 | else if (match > cCOP->uop.scop.scop_max) |
1884 | match = cCOP->uop.scop.scop_max; |
1885 | op = cCOP->uop.scop.scop_next[match]; |
1886 | RETURNOP(op); |
1887 | } |
1888 | |
1889 | PP(pp_cswitch) |
1890 | { |
1891 | dSP; |
1892 | register I32 match; |
1893 | |
1894 | if (multiline) |
1895 | op = op->op_next; /* can't assume anything */ |
1896 | else { |
1897 | match = *(SvPVx(GvSV(cCOP->cop_gv), na)) & 255; |
1898 | match -= cCOP->uop.scop.scop_offset; |
1899 | if (match < 0) |
1900 | match = 0; |
1901 | else if (match > cCOP->uop.scop.scop_max) |
1902 | match = cCOP->uop.scop.scop_max; |
1903 | op = cCOP->uop.scop.scop_next[match]; |
1904 | } |
1905 | RETURNOP(op); |
1906 | } |
1907 | #endif |
1908 | |
1909 | /* Eval. */ |
1910 | |
1911 | static void |
1912 | save_lines(array, sv) |
1913 | AV *array; |
1914 | SV *sv; |
1915 | { |
1916 | register char *s = SvPVX(sv); |
1917 | register char *send = SvPVX(sv) + SvCUR(sv); |
1918 | register char *t; |
1919 | register I32 line = 1; |
1920 | |
1921 | while (s && s < send) { |
1922 | SV *tmpstr = NEWSV(85,0); |
1923 | |
1924 | sv_upgrade(tmpstr, SVt_PVMG); |
1925 | t = strchr(s, '\n'); |
1926 | if (t) |
1927 | t++; |
1928 | else |
1929 | t = send; |
1930 | |
1931 | sv_setpvn(tmpstr, s, t - s); |
1932 | av_store(array, line++, tmpstr); |
1933 | s = t; |
1934 | } |
1935 | } |
1936 | |
1937 | static OP * |
1938 | doeval(gimme) |
1939 | int gimme; |
1940 | { |
1941 | dSP; |
1942 | OP *saveop = op; |
1943 | HV *newstash; |
ff3ff8d1 |
1944 | CV *caller; |
748a9306 |
1945 | AV* comppadlist; |
a0d0e21e |
1946 | |
1947 | in_eval = 1; |
1948 | |
1ce6579f |
1949 | PUSHMARK(SP); |
1950 | |
a0d0e21e |
1951 | /* set up a scratch pad */ |
1952 | |
55497cff |
1953 | SAVEI32(padix); |
a0d0e21e |
1954 | SAVESPTR(curpad); |
1955 | SAVESPTR(comppad); |
1956 | SAVESPTR(comppad_name); |
55497cff |
1957 | SAVEI32(comppad_name_fill); |
1958 | SAVEI32(min_intro_pending); |
1959 | SAVEI32(max_intro_pending); |
748a9306 |
1960 | |
ff3ff8d1 |
1961 | caller = compcv; |
748a9306 |
1962 | SAVESPTR(compcv); |
1963 | compcv = (CV*)NEWSV(1104,0); |
1964 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c |
1965 | CvUNIQUE_on(compcv); |
748a9306 |
1966 | |
a0d0e21e |
1967 | comppad = newAV(); |
1968 | comppad_name = newAV(); |
1969 | comppad_name_fill = 0; |
1970 | min_intro_pending = 0; |
1971 | av_push(comppad, Nullsv); |
1972 | curpad = AvARRAY(comppad); |
1973 | padix = 0; |
1974 | |
748a9306 |
1975 | comppadlist = newAV(); |
1976 | AvREAL_off(comppadlist); |
8e07c86e |
1977 | av_store(comppadlist, 0, (SV*)comppad_name); |
1978 | av_store(comppadlist, 1, (SV*)comppad); |
748a9306 |
1979 | CvPADLIST(compcv) = comppadlist; |
2c05e328 |
1980 | |
1981 | if (saveop->op_type != OP_REQUIRE) |
1982 | CvOUTSIDE(compcv) = (CV*)SvREFCNT_inc(caller); |
07055b4c |
1983 | |
8e07c86e |
1984 | SAVEFREESV(compcv); |
748a9306 |
1985 | |
a0d0e21e |
1986 | /* make sure we compile in the right package */ |
1987 | |
1988 | newstash = curcop->cop_stash; |
1989 | if (curstash != newstash) { |
1990 | SAVESPTR(curstash); |
1991 | curstash = newstash; |
1992 | } |
1993 | SAVESPTR(beginav); |
1994 | beginav = newAV(); |
1995 | SAVEFREESV(beginav); |
1996 | |
1997 | /* try to compile it */ |
1998 | |
1999 | eval_root = Nullop; |
2000 | error_count = 0; |
2001 | curcop = &compiling; |
2002 | curcop->cop_arybase = 0; |
c07a80fd |
2003 | SvREFCNT_dec(rs); |
2004 | rs = newSVpv("\n", 1); |
1ce6579f |
2005 | if (saveop->op_flags & OPf_SPECIAL) |
2006 | in_eval |= 4; |
2007 | else |
2008 | sv_setpv(GvSV(errgv),""); |
a0d0e21e |
2009 | if (yyparse() || error_count || !eval_root) { |
2010 | SV **newsp; |
2011 | I32 gimme; |
2012 | CONTEXT *cx; |
2013 | I32 optype; |
2014 | |
2015 | op = saveop; |
2016 | if (eval_root) { |
2017 | op_free(eval_root); |
2018 | eval_root = Nullop; |
2019 | } |
1ce6579f |
2020 | SP = stack_base + POPMARK; /* pop original mark */ |
a0d0e21e |
2021 | POPBLOCK(cx,curpm); |
2022 | POPEVAL(cx); |
2023 | pop_return(); |
2024 | lex_end(); |
2025 | LEAVE; |
2026 | if (optype == OP_REQUIRE) |
4633a7c4 |
2027 | DIE("%s", SvPVx(GvSV(errgv), na)); |
c07a80fd |
2028 | SvREFCNT_dec(rs); |
2029 | rs = SvREFCNT_inc(nrs); |
a0d0e21e |
2030 | RETPUSHUNDEF; |
2031 | } |
c07a80fd |
2032 | SvREFCNT_dec(rs); |
2033 | rs = SvREFCNT_inc(nrs); |
a0d0e21e |
2034 | compiling.cop_line = 0; |
a0d0e21e |
2035 | SAVEFREEOP(eval_root); |
2036 | if (gimme & G_ARRAY) |
2037 | list(eval_root); |
2038 | else |
2039 | scalar(eval_root); |
2040 | |
2041 | DEBUG_x(dump_eval()); |
2042 | |
55497cff |
2043 | /* Register with debugger: */ |
55497cff |
2044 | if (perldb && saveop->op_type == OP_REQUIRE) { |
2045 | CV *cv = perl_get_cv("DB::postponed", FALSE); |
55497cff |
2046 | if (cv) { |
2047 | dSP; |
2048 | PUSHMARK(sp); |
2049 | XPUSHs((SV*)compiling.cop_filegv); |
2050 | PUTBACK; |
2051 | perl_call_sv((SV*)cv, G_DISCARD); |
2052 | } |
2053 | } |
2054 | |
a0d0e21e |
2055 | /* compiled okay, so do it */ |
2056 | |
4fdae800 |
2057 | CvDEPTH(compcv) = 1; |
2058 | |
1ce6579f |
2059 | SP = stack_base + POPMARK; /* pop original mark */ |
a0d0e21e |
2060 | RETURNOP(eval_start); |
2061 | } |
2062 | |
2063 | PP(pp_require) |
2064 | { |
2065 | dSP; |
2066 | register CONTEXT *cx; |
2067 | SV *sv; |
2068 | char *name; |
2069 | char *tmpname; |
2070 | SV** svp; |
2071 | I32 gimme = G_SCALAR; |
760ac839 |
2072 | PerlIO *tryrsfp = 0; |
a0d0e21e |
2073 | |
2074 | sv = POPs; |
4633a7c4 |
2075 | if (SvNIOKp(sv) && !SvPOKp(sv)) { |
36477c24 |
2076 | SET_NUMERIC_STANDARD(); |
a5f75d66 |
2077 | if (atof(patchlevel) + 0.00000999 < SvNV(sv)) |
2078 | DIE("Perl %s required--this is only version %s, stopped", |
2079 | SvPV(sv,na),patchlevel); |
a0d0e21e |
2080 | RETPUSHYES; |
2081 | } |
2082 | name = SvPV(sv, na); |
2083 | if (!*name) |
2084 | DIE("Null filename used"); |
4633a7c4 |
2085 | TAINT_PROPER("require"); |
a0d0e21e |
2086 | if (op->op_type == OP_REQUIRE && |
2087 | (svp = hv_fetch(GvHVn(incgv), name, SvCUR(sv), 0)) && |
2088 | *svp != &sv_undef) |
2089 | RETPUSHYES; |
2090 | |
2091 | /* prepare to compile file */ |
2092 | |
2093 | tmpname = savepv(name); |
2094 | if (*tmpname == '/' || |
2095 | (*tmpname == '.' && |
2096 | (tmpname[1] == '/' || |
748a9306 |
2097 | (tmpname[1] == '.' && tmpname[2] == '/'))) |
4633a7c4 |
2098 | #ifdef DOSISH |
2099 | || (tmpname[0] && tmpname[1] == ':') |
2100 | #endif |
748a9306 |
2101 | #ifdef VMS |
bbce6d69 |
2102 | || (strchr(tmpname,':') || ((*tmpname == '[' || *tmpname == '<') && |
2103 | (isALNUM(tmpname[1]) || strchr("$-_]>",tmpname[1])))) |
748a9306 |
2104 | #endif |
2105 | ) |
a0d0e21e |
2106 | { |
760ac839 |
2107 | tryrsfp = PerlIO_open(tmpname,"r"); |
a0d0e21e |
2108 | } |
2109 | else { |
2110 | AV *ar = GvAVn(incgv); |
2111 | I32 i; |
748a9306 |
2112 | #ifdef VMS |
bbce6d69 |
2113 | char unixified[256]; |
2114 | if (tounixspec_ts(tmpname,unixified) != NULL) |
2115 | for (i = 0; i <= AvFILL(ar); i++) { |
748a9306 |
2116 | if (tounixpath_ts(SvPVx(*av_fetch(ar, i, TRUE), na),buf) == NULL) |
4633a7c4 |
2117 | continue; |
bbce6d69 |
2118 | strcat(buf,unixified); |
748a9306 |
2119 | #else |
bbce6d69 |
2120 | for (i = 0; i <= AvFILL(ar); i++) { |
a0d0e21e |
2121 | (void)sprintf(buf, "%s/%s", |
2122 | SvPVx(*av_fetch(ar, i, TRUE), na), name); |
748a9306 |
2123 | #endif |
760ac839 |
2124 | tryrsfp = PerlIO_open(buf, "r"); |
a0d0e21e |
2125 | if (tryrsfp) { |
2126 | char *s = buf; |
2127 | |
2128 | if (*s == '.' && s[1] == '/') |
2129 | s += 2; |
2130 | Safefree(tmpname); |
2131 | tmpname = savepv(s); |
2132 | break; |
2133 | } |
2134 | } |
2135 | } |
2136 | SAVESPTR(compiling.cop_filegv); |
2137 | compiling.cop_filegv = gv_fetchfile(tmpname); |
2138 | Safefree(tmpname); |
2139 | tmpname = Nullch; |
2140 | if (!tryrsfp) { |
2141 | if (op->op_type == OP_REQUIRE) { |
2142 | sprintf(tokenbuf,"Can't locate %s in @INC", name); |
2143 | if (instr(tokenbuf,".h ")) |
2144 | strcat(tokenbuf," (change .h to .ph maybe?)"); |
2145 | if (instr(tokenbuf,".ph ")) |
2146 | strcat(tokenbuf," (did you run h2ph?)"); |
2147 | DIE("%s",tokenbuf); |
2148 | } |
2149 | |
2150 | RETPUSHUNDEF; |
2151 | } |
2152 | |
2153 | /* Assume success here to prevent recursive requirement. */ |
2154 | (void)hv_store(GvHVn(incgv), name, strlen(name), |
2155 | newSVsv(GvSV(compiling.cop_filegv)), 0 ); |
2156 | |
2157 | ENTER; |
2158 | SAVETMPS; |
2159 | lex_start(sv_2mortal(newSVpv("",0))); |
e50aee73 |
2160 | if (rsfp_filters){ |
2161 | save_aptr(&rsfp_filters); |
2162 | rsfp_filters = NULL; |
2163 | } |
2164 | |
a0d0e21e |
2165 | rsfp = tryrsfp; |
2166 | name = savepv(name); |
2167 | SAVEFREEPV(name); |
2168 | SAVEI32(hints); |
2169 | hints = 0; |
2170 | |
2171 | /* switch to eval mode */ |
2172 | |
2173 | push_return(op->op_next); |
2174 | PUSHBLOCK(cx, CXt_EVAL, SP); |
2175 | PUSHEVAL(cx, name, compiling.cop_filegv); |
2176 | |
2177 | compiling.cop_line = 0; |
2178 | |
2179 | PUTBACK; |
2180 | return doeval(G_SCALAR); |
2181 | } |
2182 | |
2183 | PP(pp_dofile) |
2184 | { |
2185 | return pp_require(ARGS); |
2186 | } |
2187 | |
2188 | PP(pp_entereval) |
2189 | { |
2190 | dSP; |
2191 | register CONTEXT *cx; |
2192 | dPOPss; |
55497cff |
2193 | I32 gimme = GIMME, was = sub_generation; |
2194 | char tmpbuf[32], *safestr; |
a0d0e21e |
2195 | STRLEN len; |
55497cff |
2196 | OP *ret; |
a0d0e21e |
2197 | |
2198 | if (!SvPV(sv,len) || !len) |
2199 | RETPUSHUNDEF; |
748a9306 |
2200 | TAINT_PROPER("eval"); |
a0d0e21e |
2201 | |
2202 | ENTER; |
a0d0e21e |
2203 | lex_start(sv); |
748a9306 |
2204 | SAVETMPS; |
a0d0e21e |
2205 | |
2206 | /* switch to eval mode */ |
2207 | |
748a9306 |
2208 | SAVESPTR(compiling.cop_filegv); |
ff0cee69 |
2209 | sprintf(tmpbuf, "_<(eval %lu)", (unsigned long)++evalseq); |
a0d0e21e |
2210 | compiling.cop_filegv = gv_fetchfile(tmpbuf+2); |
2211 | compiling.cop_line = 1; |
55497cff |
2212 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
2213 | deleting the eval's FILEGV from the stash before gv_check() runs |
2214 | (i.e. before run-time proper). To work around the coredump that |
2215 | ensues, we always turn GvMULTI_on for any globals that were |
2216 | introduced within evals. See force_ident(). GSAR 96-10-12 */ |
2217 | safestr = savepv(tmpbuf); |
2218 | SAVEDELETE(defstash, safestr, strlen(safestr)); |
a0d0e21e |
2219 | SAVEI32(hints); |
2220 | hints = op->op_targ; |
2221 | |
2222 | push_return(op->op_next); |
2223 | PUSHBLOCK(cx, CXt_EVAL, SP); |
2224 | PUSHEVAL(cx, 0, compiling.cop_filegv); |
2225 | |
2226 | /* prepare to compile string */ |
2227 | |
2228 | if (perldb && curstash != debstash) |
2229 | save_lines(GvAV(compiling.cop_filegv), linestr); |
2230 | PUTBACK; |
55497cff |
2231 | ret = doeval(gimme); |
2232 | if (perldb && was != sub_generation) { /* Some subs defined here. */ |
2233 | strcpy(safestr, "_<(eval )"); /* Anything fake and short. */ |
2234 | } |
2235 | return ret; |
a0d0e21e |
2236 | } |
2237 | |
2238 | PP(pp_leaveeval) |
2239 | { |
2240 | dSP; |
2241 | register SV **mark; |
2242 | SV **newsp; |
2243 | PMOP *newpm; |
2244 | I32 gimme; |
2245 | register CONTEXT *cx; |
2246 | OP *retop; |
760ac839 |
2247 | U8 save_flags = op -> op_flags; |
a0d0e21e |
2248 | I32 optype; |
2249 | |
2250 | POPBLOCK(cx,newpm); |
2251 | POPEVAL(cx); |
2252 | retop = pop_return(); |
2253 | |
2254 | if (gimme == G_SCALAR) { |
2255 | if (op->op_private & OPpLEAVE_VOID) |
2256 | MARK = newsp; |
2257 | else { |
2258 | MARK = newsp + 1; |
2259 | if (MARK <= SP) { |
2260 | if (SvFLAGS(TOPs) & SVs_TEMP) |
2261 | *MARK = TOPs; |
2262 | else |
2263 | *MARK = sv_mortalcopy(TOPs); |
2264 | } |
2265 | else { |
2266 | MEXTEND(mark,0); |
2267 | *MARK = &sv_undef; |
2268 | } |
2269 | } |
2270 | SP = MARK; |
2271 | } |
2272 | else { |
2273 | for (mark = newsp + 1; mark <= SP; mark++) |
760ac839 |
2274 | if (!(SvFLAGS(*mark) & SVs_TEMP)) |
a0d0e21e |
2275 | *mark = sv_mortalcopy(*mark); |
2276 | /* in case LEAVE wipes old return values */ |
2277 | } |
2278 | curpm = newpm; /* Don't pop $1 et al till now */ |
2279 | |
4fdae800 |
2280 | #ifdef DEBUGGING |
2281 | assert(CvDEPTH(compcv) == 1); |
2282 | #endif |
2283 | CvDEPTH(compcv) = 0; |
2284 | |
1ce6579f |
2285 | if (optype == OP_REQUIRE && |
2286 | !(gimme == G_SCALAR ? SvTRUE(*sp) : sp > newsp)) { |
a0d0e21e |
2287 | char *name = cx->blk_eval.old_name; |
2288 | |
1ce6579f |
2289 | /* Unassume the success we assumed earlier. */ |
2290 | (void)hv_delete(GvHVn(incgv), name, strlen(name), G_DISCARD); |
2291 | retop = die("%s did not return a true value", name); |
a0d0e21e |
2292 | } |
2293 | |
2294 | lex_end(); |
2295 | LEAVE; |
4fdae800 |
2296 | |
760ac839 |
2297 | if (!(save_flags & OPf_SPECIAL)) |
1ce6579f |
2298 | sv_setpv(GvSV(errgv),""); |
a0d0e21e |
2299 | |
2300 | RETURNOP(retop); |
2301 | } |
2302 | |
a0d0e21e |
2303 | PP(pp_entertry) |
2304 | { |
2305 | dSP; |
2306 | register CONTEXT *cx; |
2307 | I32 gimme = GIMME; |
2308 | |
2309 | ENTER; |
2310 | SAVETMPS; |
2311 | |
2312 | push_return(cLOGOP->op_other->op_next); |
2313 | PUSHBLOCK(cx, CXt_EVAL, SP); |
2314 | PUSHEVAL(cx, 0, 0); |
2315 | eval_root = op; /* Only needed so that goto works right. */ |
2316 | |
2317 | in_eval = 1; |
4633a7c4 |
2318 | sv_setpv(GvSV(errgv),""); |
a0d0e21e |
2319 | RETURN; |
2320 | } |
2321 | |
2322 | PP(pp_leavetry) |
2323 | { |
2324 | dSP; |
2325 | register SV **mark; |
2326 | SV **newsp; |
2327 | PMOP *newpm; |
2328 | I32 gimme; |
2329 | register CONTEXT *cx; |
2330 | I32 optype; |
2331 | |
2332 | POPBLOCK(cx,newpm); |
2333 | POPEVAL(cx); |
2334 | pop_return(); |
2335 | |
2336 | if (gimme == G_SCALAR) { |
2337 | if (op->op_private & OPpLEAVE_VOID) |
2338 | MARK = newsp; |
2339 | else { |
2340 | MARK = newsp + 1; |
2341 | if (MARK <= SP) { |
2342 | if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP)) |
2343 | *MARK = TOPs; |
2344 | else |
2345 | *MARK = sv_mortalcopy(TOPs); |
2346 | } |
2347 | else { |
2348 | MEXTEND(mark,0); |
2349 | *MARK = &sv_undef; |
2350 | } |
2351 | } |
2352 | SP = MARK; |
2353 | } |
2354 | else { |
2355 | for (mark = newsp + 1; mark <= SP; mark++) |
760ac839 |
2356 | if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) |
a0d0e21e |
2357 | *mark = sv_mortalcopy(*mark); |
2358 | /* in case LEAVE wipes old return values */ |
2359 | } |
2360 | curpm = newpm; /* Don't pop $1 et al till now */ |
2361 | |
2362 | LEAVE; |
4633a7c4 |
2363 | sv_setpv(GvSV(errgv),""); |
a0d0e21e |
2364 | RETURN; |
2365 | } |
2366 | |
2367 | static void |
2368 | doparseform(sv) |
2369 | SV *sv; |
2370 | { |
2371 | STRLEN len; |
2372 | register char *s = SvPV_force(sv, len); |
2373 | register char *send = s + len; |
2374 | register char *base; |
2375 | register I32 skipspaces = 0; |
2376 | bool noblank; |
2377 | bool repeat; |
2378 | bool postspace = FALSE; |
2379 | U16 *fops; |
2380 | register U16 *fpc; |
2381 | U16 *linepc; |
2382 | register I32 arg; |
2383 | bool ischop; |
2384 | |
55497cff |
2385 | if (len == 0) |
bbce6d69 |
2386 | croak("Null picture in formline"); |
55497cff |
2387 | |
2388 | New(804, fops, (send - s)*3+10, U16); /* Almost certainly too long... */ |
a0d0e21e |
2389 | fpc = fops; |
2390 | |
2391 | if (s < send) { |
2392 | linepc = fpc; |
2393 | *fpc++ = FF_LINEMARK; |
2394 | noblank = repeat = FALSE; |
2395 | base = s; |
2396 | } |
2397 | |
2398 | while (s <= send) { |
2399 | switch (*s++) { |
2400 | default: |
2401 | skipspaces = 0; |
2402 | continue; |
2403 | |
2404 | case '~': |
2405 | if (*s == '~') { |
2406 | repeat = TRUE; |
2407 | *s = ' '; |
2408 | } |
2409 | noblank = TRUE; |
2410 | s[-1] = ' '; |
2411 | /* FALL THROUGH */ |
2412 | case ' ': case '\t': |
2413 | skipspaces++; |
2414 | continue; |
2415 | |
2416 | case '\n': case 0: |
2417 | arg = s - base; |
2418 | skipspaces++; |
2419 | arg -= skipspaces; |
2420 | if (arg) { |
5f05dabc |
2421 | if (postspace) |
a0d0e21e |
2422 | *fpc++ = FF_SPACE; |
a0d0e21e |
2423 | *fpc++ = FF_LITERAL; |
2424 | *fpc++ = arg; |
2425 | } |
5f05dabc |
2426 | postspace = FALSE; |
a0d0e21e |
2427 | if (s <= send) |
2428 | skipspaces--; |
2429 | if (skipspaces) { |
2430 | *fpc++ = FF_SKIP; |
2431 | *fpc++ = skipspaces; |
2432 | } |
2433 | skipspaces = 0; |
2434 | if (s <= send) |
2435 | *fpc++ = FF_NEWLINE; |
2436 | if (noblank) { |
2437 | *fpc++ = FF_BLANK; |
2438 | if (repeat) |
2439 | arg = fpc - linepc + 1; |
2440 | else |
2441 | arg = 0; |
2442 | *fpc++ = arg; |
2443 | } |
2444 | if (s < send) { |
2445 | linepc = fpc; |
2446 | *fpc++ = FF_LINEMARK; |
2447 | noblank = repeat = FALSE; |
2448 | base = s; |
2449 | } |
2450 | else |
2451 | s++; |
2452 | continue; |
2453 | |
2454 | case '@': |
2455 | case '^': |
2456 | ischop = s[-1] == '^'; |
2457 | |
2458 | if (postspace) { |
2459 | *fpc++ = FF_SPACE; |
2460 | postspace = FALSE; |
2461 | } |
2462 | arg = (s - base) - 1; |
2463 | if (arg) { |
2464 | *fpc++ = FF_LITERAL; |
2465 | *fpc++ = arg; |
2466 | } |
2467 | |
2468 | base = s - 1; |
2469 | *fpc++ = FF_FETCH; |
2470 | if (*s == '*') { |
2471 | s++; |
2472 | *fpc++ = 0; |
2473 | *fpc++ = FF_LINEGLOB; |
2474 | } |
2475 | else if (*s == '#' || (*s == '.' && s[1] == '#')) { |
2476 | arg = ischop ? 512 : 0; |
2477 | base = s - 1; |
2478 | while (*s == '#') |
2479 | s++; |
2480 | if (*s == '.') { |
2481 | char *f; |
2482 | s++; |
2483 | f = s; |
2484 | while (*s == '#') |
2485 | s++; |
2486 | arg |= 256 + (s - f); |
2487 | } |
2488 | *fpc++ = s - base; /* fieldsize for FETCH */ |
2489 | *fpc++ = FF_DECIMAL; |
2490 | *fpc++ = arg; |
2491 | } |
2492 | else { |
2493 | I32 prespace = 0; |
2494 | bool ismore = FALSE; |
2495 | |
2496 | if (*s == '>') { |
2497 | while (*++s == '>') ; |
2498 | prespace = FF_SPACE; |
2499 | } |
2500 | else if (*s == '|') { |
2501 | while (*++s == '|') ; |
2502 | prespace = FF_HALFSPACE; |
2503 | postspace = TRUE; |
2504 | } |
2505 | else { |
2506 | if (*s == '<') |
2507 | while (*++s == '<') ; |
2508 | postspace = TRUE; |
2509 | } |
2510 | if (*s == '.' && s[1] == '.' && s[2] == '.') { |
2511 | s += 3; |
2512 | ismore = TRUE; |
2513 | } |
2514 | *fpc++ = s - base; /* fieldsize for FETCH */ |
2515 | |
2516 | *fpc++ = ischop ? FF_CHECKCHOP : FF_CHECKNL; |
2517 | |
2518 | if (prespace) |
2519 | *fpc++ = prespace; |
2520 | *fpc++ = FF_ITEM; |
2521 | if (ismore) |
2522 | *fpc++ = FF_MORE; |
2523 | if (ischop) |
2524 | *fpc++ = FF_CHOP; |
2525 | } |
2526 | base = s; |
2527 | skipspaces = 0; |
2528 | continue; |
2529 | } |
2530 | } |
2531 | *fpc++ = FF_END; |
2532 | |
2533 | arg = fpc - fops; |
2534 | { /* need to jump to the next word */ |
2535 | int z; |
2536 | z = WORD_ALIGN - SvCUR(sv) % WORD_ALIGN; |
2537 | SvGROW(sv, SvCUR(sv) + z + arg * sizeof(U16) + 4); |
2538 | s = SvPVX(sv) + SvCUR(sv) + z; |
2539 | } |
2540 | Copy(fops, s, arg, U16); |
2541 | Safefree(fops); |
55497cff |
2542 | sv_magic(sv, Nullsv, 'f', Nullch, 0); |
a0d0e21e |
2543 | SvCOMPILED_on(sv); |
2544 | } |