Commit | Line | Data |
a0d0e21e |
1 | /* pp_ctl.c |
2 | * |
9607fc9c |
3 | * Copyright (c) 1991-1997, Larry Wall |
a0d0e21e |
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)) |
1e422769 |
27 | |
28 | static OP *docatch _((OP *o)); |
a0d0e21e |
29 | static OP *doeval _((int gimme)); |
5dc0d613 |
30 | static OP *dofindlabel _((OP *o, char *label, OP **opstack, OP **oplimit)); |
a0d0e21e |
31 | static void doparseform _((SV *sv)); |
32 | static I32 dopoptoeval _((I32 startingblock)); |
33 | static I32 dopoptolabel _((char *label)); |
34 | static I32 dopoptoloop _((I32 startingblock)); |
35 | static I32 dopoptosub _((I32 startingblock)); |
36 | static void save_lines _((AV *array, SV *sv)); |
a0d0e21e |
37 | static int sortcv _((const void *, const void *)); |
bbce6d69 |
38 | static int sortcmp _((const void *, const void *)); |
39 | static int sortcmp_locale _((const void *, const void *)); |
a0d0e21e |
40 | |
41 | static I32 sortcxix; |
42 | |
43 | PP(pp_wantarray) |
44 | { |
4e35701f |
45 | djSP; |
a0d0e21e |
46 | I32 cxix; |
47 | EXTEND(SP, 1); |
48 | |
49 | cxix = dopoptosub(cxstack_ix); |
50 | if (cxix < 0) |
51 | RETPUSHUNDEF; |
52 | |
54310121 |
53 | switch (cxstack[cxix].blk_gimme) { |
54 | case G_ARRAY: |
a0d0e21e |
55 | RETPUSHYES; |
54310121 |
56 | case G_SCALAR: |
a0d0e21e |
57 | RETPUSHNO; |
54310121 |
58 | default: |
59 | RETPUSHUNDEF; |
60 | } |
a0d0e21e |
61 | } |
62 | |
63 | PP(pp_regcmaybe) |
64 | { |
65 | return NORMAL; |
66 | } |
67 | |
68 | PP(pp_regcomp) { |
4e35701f |
69 | djSP; |
a0d0e21e |
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 | |
4633a7c4 |
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 | |
4633a7c4 |
87 | pm->op_pmflags = pm->op_pmpermflags; /* reset case sensitivity */ |
88 | pm->op_pmregexp = pregcomp(t, t + len, pm); |
89 | } |
a0d0e21e |
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 */ |
a0d0e21e |
98 | hoistmust(pm); |
99 | cLOGOP->op_first->op_next = op->op_next; |
a0d0e21e |
100 | } |
101 | RETURN; |
102 | } |
103 | |
104 | PP(pp_substcont) |
105 | { |
4e35701f |
106 | djSP; |
a0d0e21e |
107 | register PMOP *pm = (PMOP*) cLOGOP->op_other; |
c09156bb |
108 | register PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
a0d0e21e |
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 | |
c90c0ff4 |
115 | rxres_restore(&cx->sb_rxres, rx); |
116 | |
a0d0e21e |
117 | if (cx->sb_iters++) { |
118 | if (cx->sb_iters > cx->sb_maxiters) |
119 | DIE("Substitution loop"); |
120 | |
71be2cbc |
121 | if (!cx->sb_rxtainted) |
122 | cx->sb_rxtainted = SvTAINTED(TOPs); |
a0d0e21e |
123 | sv_catsv(dstr, POPs); |
a0d0e21e |
124 | |
125 | /* Are we done */ |
e50aee73 |
126 | if (cx->sb_once || !pregexec(rx, s, cx->sb_strend, orig, |
a0d0e21e |
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 | |
9212bbba |
132 | TAINT_IF(cx->sb_rxtainted || rx->exec_tainted); |
133 | |
4633a7c4 |
134 | (void)SvOOK_off(targ); |
cb0b1708 |
135 | Safefree(SvPVX(targ)); |
748a9306 |
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); |
a0d0e21e |
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); |
a0d0e21e |
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); |
a0d0e21e |
163 | RETURNOP(pm->op_pmreplstart); |
164 | } |
165 | |
c90c0ff4 |
166 | void |
8ac85365 |
167 | rxres_save(void **rsp, REGEXP *rx) |
c90c0ff4 |
168 | { |
169 | UV *p = (UV*)*rsp; |
170 | U32 i; |
171 | |
172 | if (!p || p[1] < rx->nparens) { |
173 | i = 6 + rx->nparens * 2; |
174 | if (!p) |
175 | New(501, p, i, UV); |
176 | else |
177 | Renew(p, i, UV); |
178 | *rsp = (void*)p; |
179 | } |
180 | |
181 | *p++ = (UV)rx->subbase; |
182 | rx->subbase = Nullch; |
183 | |
184 | *p++ = rx->nparens; |
185 | |
186 | *p++ = (UV)rx->subbeg; |
187 | *p++ = (UV)rx->subend; |
188 | for (i = 0; i <= rx->nparens; ++i) { |
189 | *p++ = (UV)rx->startp[i]; |
190 | *p++ = (UV)rx->endp[i]; |
191 | } |
192 | } |
193 | |
194 | void |
8ac85365 |
195 | rxres_restore(void **rsp, REGEXP *rx) |
c90c0ff4 |
196 | { |
197 | UV *p = (UV*)*rsp; |
198 | U32 i; |
199 | |
200 | Safefree(rx->subbase); |
201 | rx->subbase = (char*)(*p); |
202 | *p++ = 0; |
203 | |
204 | rx->nparens = *p++; |
205 | |
206 | rx->subbeg = (char*)(*p++); |
207 | rx->subend = (char*)(*p++); |
208 | for (i = 0; i <= rx->nparens; ++i) { |
209 | rx->startp[i] = (char*)(*p++); |
210 | rx->endp[i] = (char*)(*p++); |
211 | } |
212 | } |
213 | |
214 | void |
8ac85365 |
215 | rxres_free(void **rsp) |
c90c0ff4 |
216 | { |
217 | UV *p = (UV*)*rsp; |
218 | |
219 | if (p) { |
220 | Safefree((char*)(*p)); |
221 | Safefree(p); |
222 | *rsp = Null(void*); |
223 | } |
224 | } |
225 | |
a0d0e21e |
226 | PP(pp_formline) |
227 | { |
4e35701f |
228 | djSP; dMARK; dORIGMARK; |
a0d0e21e |
229 | register SV *form = *++MARK; |
230 | register U16 *fpc; |
231 | register char *t; |
232 | register char *f; |
233 | register char *s; |
234 | register char *send; |
235 | register I32 arg; |
236 | register SV *sv; |
237 | char *item; |
238 | I32 itemsize; |
239 | I32 fieldsize; |
240 | I32 lines = 0; |
241 | bool chopspace = (strchr(chopset, ' ') != Nullch); |
242 | char *chophere; |
243 | char *linemark; |
a0d0e21e |
244 | double value; |
245 | bool gotsome; |
246 | STRLEN len; |
247 | |
55497cff |
248 | if (!SvMAGICAL(form) || !SvCOMPILED(form)) { |
a0d0e21e |
249 | SvREADONLY_off(form); |
250 | doparseform(form); |
251 | } |
252 | |
253 | SvPV_force(formtarget, len); |
254 | t = SvGROW(formtarget, len + SvCUR(form) + 1); /* XXX SvCUR bad */ |
255 | t += len; |
256 | f = SvPV(form, len); |
257 | /* need to jump to the next word */ |
258 | s = f + len + WORD_ALIGN - SvCUR(form) % WORD_ALIGN; |
259 | |
260 | fpc = (U16*)s; |
261 | |
262 | for (;;) { |
263 | DEBUG_f( { |
264 | char *name = "???"; |
265 | arg = -1; |
266 | switch (*fpc) { |
267 | case FF_LITERAL: arg = fpc[1]; name = "LITERAL"; break; |
268 | case FF_BLANK: arg = fpc[1]; name = "BLANK"; break; |
269 | case FF_SKIP: arg = fpc[1]; name = "SKIP"; break; |
270 | case FF_FETCH: arg = fpc[1]; name = "FETCH"; break; |
271 | case FF_DECIMAL: arg = fpc[1]; name = "DECIMAL"; break; |
272 | |
273 | case FF_CHECKNL: name = "CHECKNL"; break; |
274 | case FF_CHECKCHOP: name = "CHECKCHOP"; break; |
275 | case FF_SPACE: name = "SPACE"; break; |
276 | case FF_HALFSPACE: name = "HALFSPACE"; break; |
277 | case FF_ITEM: name = "ITEM"; break; |
278 | case FF_CHOP: name = "CHOP"; break; |
279 | case FF_LINEGLOB: name = "LINEGLOB"; break; |
280 | case FF_NEWLINE: name = "NEWLINE"; break; |
281 | case FF_MORE: name = "MORE"; break; |
282 | case FF_LINEMARK: name = "LINEMARK"; break; |
283 | case FF_END: name = "END"; break; |
284 | } |
285 | if (arg >= 0) |
760ac839 |
286 | PerlIO_printf(PerlIO_stderr(), "%-16s%ld\n", name, (long) arg); |
a0d0e21e |
287 | else |
760ac839 |
288 | PerlIO_printf(PerlIO_stderr(), "%-16s\n", name); |
a0d0e21e |
289 | } ) |
290 | switch (*fpc++) { |
291 | case FF_LINEMARK: |
292 | linemark = t; |
a0d0e21e |
293 | lines++; |
294 | gotsome = FALSE; |
295 | break; |
296 | |
297 | case FF_LITERAL: |
298 | arg = *fpc++; |
299 | while (arg--) |
300 | *t++ = *f++; |
301 | break; |
302 | |
303 | case FF_SKIP: |
304 | f += *fpc++; |
305 | break; |
306 | |
307 | case FF_FETCH: |
308 | arg = *fpc++; |
309 | f += arg; |
310 | fieldsize = arg; |
311 | |
312 | if (MARK < SP) |
313 | sv = *++MARK; |
314 | else { |
315 | sv = &sv_no; |
316 | if (dowarn) |
317 | warn("Not enough format arguments"); |
318 | } |
319 | break; |
320 | |
321 | case FF_CHECKNL: |
322 | item = s = SvPV(sv, len); |
323 | itemsize = len; |
324 | if (itemsize > fieldsize) |
325 | itemsize = fieldsize; |
326 | send = chophere = s + itemsize; |
327 | while (s < send) { |
328 | if (*s & ~31) |
329 | gotsome = TRUE; |
330 | else if (*s == '\n') |
331 | break; |
332 | s++; |
333 | } |
334 | itemsize = s - item; |
335 | break; |
336 | |
337 | case FF_CHECKCHOP: |
338 | item = s = SvPV(sv, len); |
339 | itemsize = len; |
340 | if (itemsize <= fieldsize) { |
341 | send = chophere = s + itemsize; |
342 | while (s < send) { |
343 | if (*s == '\r') { |
344 | itemsize = s - item; |
345 | break; |
346 | } |
347 | if (*s++ & ~31) |
348 | gotsome = TRUE; |
349 | } |
350 | } |
351 | else { |
352 | itemsize = fieldsize; |
353 | send = chophere = s + itemsize; |
354 | while (s < send || (s == send && isSPACE(*s))) { |
355 | if (isSPACE(*s)) { |
356 | if (chopspace) |
357 | chophere = s; |
358 | if (*s == '\r') |
359 | break; |
360 | } |
361 | else { |
362 | if (*s & ~31) |
363 | gotsome = TRUE; |
364 | if (strchr(chopset, *s)) |
365 | chophere = s + 1; |
366 | } |
367 | s++; |
368 | } |
369 | itemsize = chophere - item; |
370 | } |
371 | break; |
372 | |
373 | case FF_SPACE: |
374 | arg = fieldsize - itemsize; |
375 | if (arg) { |
376 | fieldsize -= arg; |
377 | while (arg-- > 0) |
378 | *t++ = ' '; |
379 | } |
380 | break; |
381 | |
382 | case FF_HALFSPACE: |
383 | arg = fieldsize - itemsize; |
384 | if (arg) { |
385 | arg /= 2; |
386 | fieldsize -= arg; |
387 | while (arg-- > 0) |
388 | *t++ = ' '; |
389 | } |
390 | break; |
391 | |
392 | case FF_ITEM: |
393 | arg = itemsize; |
394 | s = item; |
395 | while (arg--) { |
396 | #if 'z' - 'a' != 25 |
397 | int ch = *t++ = *s++; |
398 | if (!iscntrl(ch)) |
399 | t[-1] = ' '; |
400 | #else |
401 | if ( !((*t++ = *s++) & ~31) ) |
402 | t[-1] = ' '; |
403 | #endif |
404 | |
405 | } |
406 | break; |
407 | |
408 | case FF_CHOP: |
409 | s = chophere; |
410 | if (chopspace) { |
411 | while (*s && isSPACE(*s)) |
412 | s++; |
413 | } |
414 | sv_chop(sv,s); |
415 | break; |
416 | |
417 | case FF_LINEGLOB: |
418 | item = s = SvPV(sv, len); |
419 | itemsize = len; |
420 | if (itemsize) { |
421 | gotsome = TRUE; |
422 | send = s + itemsize; |
423 | while (s < send) { |
424 | if (*s++ == '\n') { |
425 | if (s == send) |
426 | itemsize--; |
427 | else |
428 | lines++; |
429 | } |
430 | } |
431 | SvCUR_set(formtarget, t - SvPVX(formtarget)); |
432 | sv_catpvn(formtarget, item, itemsize); |
433 | SvGROW(formtarget, SvCUR(formtarget) + SvCUR(form) + 1); |
434 | t = SvPVX(formtarget) + SvCUR(formtarget); |
435 | } |
436 | break; |
437 | |
438 | case FF_DECIMAL: |
439 | /* If the field is marked with ^ and the value is undefined, |
440 | blank it out. */ |
441 | arg = *fpc++; |
442 | if ((arg & 512) && !SvOK(sv)) { |
443 | arg = fieldsize; |
444 | while (arg--) |
445 | *t++ = ' '; |
446 | break; |
447 | } |
448 | gotsome = TRUE; |
449 | value = SvNV(sv); |
bbce6d69 |
450 | /* Formats aren't yet marked for locales, so assume "yes". */ |
36477c24 |
451 | SET_NUMERIC_LOCAL(); |
a0d0e21e |
452 | if (arg & 256) { |
453 | sprintf(t, "%#*.*f", (int) fieldsize, (int) arg & 255, value); |
454 | } else { |
455 | sprintf(t, "%*.0f", (int) fieldsize, value); |
456 | } |
457 | t += fieldsize; |
458 | break; |
459 | |
460 | case FF_NEWLINE: |
461 | f++; |
462 | while (t-- > linemark && *t == ' ') ; |
463 | t++; |
464 | *t++ = '\n'; |
465 | break; |
466 | |
467 | case FF_BLANK: |
468 | arg = *fpc++; |
469 | if (gotsome) { |
470 | if (arg) { /* repeat until fields exhausted? */ |
471 | *t = '\0'; |
472 | SvCUR_set(formtarget, t - SvPVX(formtarget)); |
473 | lines += FmLINES(formtarget); |
474 | if (lines == 200) { |
475 | arg = t - linemark; |
476 | if (strnEQ(linemark, linemark - arg, arg)) |
477 | DIE("Runaway format"); |
478 | } |
479 | FmLINES(formtarget) = lines; |
480 | SP = ORIGMARK; |
481 | RETURNOP(cLISTOP->op_first); |
482 | } |
483 | } |
484 | else { |
485 | t = linemark; |
486 | lines--; |
487 | } |
488 | break; |
489 | |
490 | case FF_MORE: |
491 | if (itemsize) { |
492 | arg = fieldsize - itemsize; |
493 | if (arg) { |
494 | fieldsize -= arg; |
495 | while (arg-- > 0) |
496 | *t++ = ' '; |
497 | } |
498 | s = t - 3; |
499 | if (strnEQ(s," ",3)) { |
500 | while (s > SvPVX(formtarget) && isSPACE(s[-1])) |
501 | s--; |
502 | } |
503 | *s++ = '.'; |
504 | *s++ = '.'; |
505 | *s++ = '.'; |
506 | } |
507 | break; |
508 | |
509 | case FF_END: |
510 | *t = '\0'; |
511 | SvCUR_set(formtarget, t - SvPVX(formtarget)); |
512 | FmLINES(formtarget) += lines; |
513 | SP = ORIGMARK; |
514 | RETPUSHYES; |
515 | } |
516 | } |
517 | } |
518 | |
519 | PP(pp_grepstart) |
520 | { |
4e35701f |
521 | djSP; |
a0d0e21e |
522 | SV *src; |
523 | |
524 | if (stack_base + *markstack_ptr == sp) { |
525 | (void)POPMARK; |
54310121 |
526 | if (GIMME_V == G_SCALAR) |
a0d0e21e |
527 | XPUSHs(&sv_no); |
528 | RETURNOP(op->op_next->op_next); |
529 | } |
530 | stack_sp = stack_base + *markstack_ptr + 1; |
11343788 |
531 | pp_pushmark(ARGS); /* push dst */ |
532 | pp_pushmark(ARGS); /* push src */ |
a0d0e21e |
533 | ENTER; /* enter outer scope */ |
534 | |
535 | SAVETMPS; |
536 | SAVESPTR(GvSV(defgv)); |
537 | |
538 | ENTER; /* enter inner scope */ |
539 | SAVESPTR(curpm); |
540 | |
541 | src = stack_base[*markstack_ptr]; |
542 | SvTEMP_off(src); |
543 | GvSV(defgv) = src; |
544 | |
545 | PUTBACK; |
546 | if (op->op_type == OP_MAPSTART) |
11343788 |
547 | pp_pushmark(ARGS); /* push top */ |
a0d0e21e |
548 | return ((LOGOP*)op->op_next)->op_other; |
549 | } |
550 | |
551 | PP(pp_mapstart) |
552 | { |
553 | DIE("panic: mapstart"); /* uses grepstart */ |
554 | } |
555 | |
556 | PP(pp_mapwhile) |
557 | { |
4e35701f |
558 | djSP; |
a0d0e21e |
559 | I32 diff = (sp - stack_base) - *markstack_ptr; |
560 | I32 count; |
561 | I32 shift; |
562 | SV** src; |
563 | SV** dst; |
564 | |
565 | ++markstack_ptr[-1]; |
566 | if (diff) { |
567 | if (diff > markstack_ptr[-1] - markstack_ptr[-2]) { |
568 | shift = diff - (markstack_ptr[-1] - markstack_ptr[-2]); |
569 | count = (sp - stack_base) - markstack_ptr[-1] + 2; |
570 | |
571 | EXTEND(sp,shift); |
572 | src = sp; |
573 | dst = (sp += shift); |
574 | markstack_ptr[-1] += shift; |
575 | *markstack_ptr += shift; |
576 | while (--count) |
577 | *dst-- = *src--; |
578 | } |
579 | dst = stack_base + (markstack_ptr[-2] += diff) - 1; |
580 | ++diff; |
581 | while (--diff) |
582 | *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs); |
583 | } |
584 | LEAVE; /* exit inner scope */ |
585 | |
586 | /* All done yet? */ |
587 | if (markstack_ptr[-1] > *markstack_ptr) { |
588 | I32 items; |
54310121 |
589 | I32 gimme = GIMME_V; |
a0d0e21e |
590 | |
591 | (void)POPMARK; /* pop top */ |
592 | LEAVE; /* exit outer scope */ |
593 | (void)POPMARK; /* pop src */ |
594 | items = --*markstack_ptr - markstack_ptr[-1]; |
595 | (void)POPMARK; /* pop dst */ |
596 | SP = stack_base + POPMARK; /* pop original mark */ |
54310121 |
597 | if (gimme == G_SCALAR) { |
a0d0e21e |
598 | dTARGET; |
599 | XPUSHi(items); |
a0d0e21e |
600 | } |
54310121 |
601 | else if (gimme == G_ARRAY) |
602 | SP += items; |
a0d0e21e |
603 | RETURN; |
604 | } |
605 | else { |
606 | SV *src; |
607 | |
608 | ENTER; /* enter inner scope */ |
609 | SAVESPTR(curpm); |
610 | |
611 | src = stack_base[markstack_ptr[-1]]; |
612 | SvTEMP_off(src); |
613 | GvSV(defgv) = src; |
614 | |
615 | RETURNOP(cLOGOP->op_other); |
616 | } |
617 | } |
618 | |
619 | |
620 | PP(pp_sort) |
621 | { |
4e35701f |
622 | djSP; dMARK; dORIGMARK; |
a0d0e21e |
623 | register SV **up; |
624 | SV **myorigmark = ORIGMARK; |
625 | register I32 max; |
626 | HV *stash; |
627 | GV *gv; |
628 | CV *cv; |
629 | I32 gimme = GIMME; |
630 | OP* nextop = op->op_next; |
631 | |
632 | if (gimme != G_ARRAY) { |
633 | SP = MARK; |
634 | RETPUSHUNDEF; |
635 | } |
636 | |
637 | if (op->op_flags & OPf_STACKED) { |
638 | ENTER; |
639 | if (op->op_flags & OPf_SPECIAL) { |
640 | OP *kid = cLISTOP->op_first->op_sibling; /* pass pushmark */ |
641 | kid = kUNOP->op_first; /* pass rv2gv */ |
642 | kid = kUNOP->op_first; /* pass leave */ |
643 | sortcop = kid->op_next; |
644 | stash = curcop->cop_stash; |
645 | } |
646 | else { |
647 | cv = sv_2cv(*++MARK, &stash, &gv, 0); |
648 | if (!(cv && CvROOT(cv))) { |
649 | if (gv) { |
650 | SV *tmpstr = sv_newmortal(); |
e5cf08de |
651 | gv_efullname3(tmpstr, gv, Nullch); |
a0d0e21e |
652 | if (cv && CvXSUB(cv)) |
653 | DIE("Xsub \"%s\" called in sort", SvPVX(tmpstr)); |
654 | DIE("Undefined sort subroutine \"%s\" called", |
655 | SvPVX(tmpstr)); |
656 | } |
657 | if (cv) { |
658 | if (CvXSUB(cv)) |
659 | DIE("Xsub called in sort"); |
660 | DIE("Undefined subroutine in sort"); |
661 | } |
662 | DIE("Not a CODE reference in sort"); |
663 | } |
664 | sortcop = CvSTART(cv); |
665 | SAVESPTR(CvROOT(cv)->op_ppaddr); |
666 | CvROOT(cv)->op_ppaddr = ppaddr[OP_NULL]; |
b3933176 |
667 | |
a0d0e21e |
668 | SAVESPTR(curpad); |
669 | curpad = AvARRAY((AV*)AvARRAY(CvPADLIST(cv))[1]); |
670 | } |
671 | } |
672 | else { |
673 | sortcop = Nullop; |
674 | stash = curcop->cop_stash; |
675 | } |
676 | |
677 | up = myorigmark + 1; |
678 | while (MARK < SP) { /* This may or may not shift down one here. */ |
679 | /*SUPPRESS 560*/ |
680 | if (*up = *++MARK) { /* Weed out nulls. */ |
9f8d30d5 |
681 | SvTEMP_off(*up); |
682 | if (!sortcop && !SvPOK(*up)) |
a0d0e21e |
683 | (void)sv_2pv(*up, &na); |
a0d0e21e |
684 | up++; |
685 | } |
686 | } |
687 | max = --up - myorigmark; |
688 | if (sortcop) { |
689 | if (max > 1) { |
690 | AV *oldstack; |
c09156bb |
691 | PERL_CONTEXT *cx; |
a0d0e21e |
692 | SV** newsp; |
54310121 |
693 | bool oldcatch = CATCH_GET; |
a0d0e21e |
694 | |
695 | SAVETMPS; |
462e5cf6 |
696 | SAVEOP(); |
a0d0e21e |
697 | |
1ce6579f |
698 | oldstack = curstack; |
a0d0e21e |
699 | if (!sortstack) { |
700 | sortstack = newAV(); |
701 | AvREAL_off(sortstack); |
702 | av_extend(sortstack, 32); |
703 | } |
54310121 |
704 | CATCH_SET(TRUE); |
1ce6579f |
705 | SWITCHSTACK(curstack, sortstack); |
a0d0e21e |
706 | if (sortstash != stash) { |
707 | firstgv = gv_fetchpv("a", TRUE, SVt_PV); |
708 | secondgv = gv_fetchpv("b", TRUE, SVt_PV); |
709 | sortstash = stash; |
710 | } |
711 | |
712 | SAVESPTR(GvSV(firstgv)); |
713 | SAVESPTR(GvSV(secondgv)); |
b3933176 |
714 | |
0a753a76 |
715 | PUSHBLOCK(cx, CXt_NULL, stack_base); |
b3933176 |
716 | if (!(op->op_flags & OPf_SPECIAL)) { |
717 | bool hasargs = FALSE; |
718 | cx->cx_type = CXt_SUB; |
719 | cx->blk_gimme = G_SCALAR; |
720 | PUSHSUB(cx); |
721 | if (!CvDEPTH(cv)) |
3e3baf6d |
722 | (void)SvREFCNT_inc(cv); /* in preparation for POPSUB */ |
b3933176 |
723 | } |
a0d0e21e |
724 | sortcxix = cxstack_ix; |
725 | |
726 | qsort((char*)(myorigmark+1), max, sizeof(SV*), sortcv); |
727 | |
728 | POPBLOCK(cx,curpm); |
729 | SWITCHSTACK(sortstack, oldstack); |
54310121 |
730 | CATCH_SET(oldcatch); |
a0d0e21e |
731 | } |
732 | LEAVE; |
733 | } |
734 | else { |
735 | if (max > 1) { |
736 | MEXTEND(SP, 20); /* Can't afford stack realloc on signal. */ |
bbce6d69 |
737 | qsort((char*)(ORIGMARK+1), max, sizeof(SV*), |
738 | (op->op_private & OPpLOCALE) ? sortcmp_locale : sortcmp); |
a0d0e21e |
739 | } |
740 | } |
741 | stack_sp = ORIGMARK + max; |
742 | return nextop; |
743 | } |
744 | |
745 | /* Range stuff. */ |
746 | |
747 | PP(pp_range) |
748 | { |
749 | if (GIMME == G_ARRAY) |
750 | return cCONDOP->op_true; |
751 | return SvTRUEx(PAD_SV(op->op_targ)) ? cCONDOP->op_false : cCONDOP->op_true; |
752 | } |
753 | |
754 | PP(pp_flip) |
755 | { |
4e35701f |
756 | djSP; |
a0d0e21e |
757 | |
758 | if (GIMME == G_ARRAY) { |
759 | RETURNOP(((CONDOP*)cUNOP->op_first)->op_false); |
760 | } |
761 | else { |
762 | dTOPss; |
763 | SV *targ = PAD_SV(op->op_targ); |
764 | |
765 | if ((op->op_private & OPpFLIP_LINENUM) |
766 | ? last_in_gv && SvIV(sv) == IoLINES(GvIOp(last_in_gv)) |
767 | : SvTRUE(sv) ) { |
768 | sv_setiv(PAD_SV(cUNOP->op_first->op_targ), 1); |
769 | if (op->op_flags & OPf_SPECIAL) { |
770 | sv_setiv(targ, 1); |
3e3baf6d |
771 | SETs(targ); |
a0d0e21e |
772 | RETURN; |
773 | } |
774 | else { |
775 | sv_setiv(targ, 0); |
776 | sp--; |
777 | RETURNOP(((CONDOP*)cUNOP->op_first)->op_false); |
778 | } |
779 | } |
780 | sv_setpv(TARG, ""); |
781 | SETs(targ); |
782 | RETURN; |
783 | } |
784 | } |
785 | |
786 | PP(pp_flop) |
787 | { |
4e35701f |
788 | djSP; |
a0d0e21e |
789 | |
790 | if (GIMME == G_ARRAY) { |
791 | dPOPPOPssrl; |
792 | register I32 i; |
793 | register SV *sv; |
794 | I32 max; |
795 | |
4633a7c4 |
796 | if (SvNIOKp(left) || !SvPOKp(left) || |
bbce6d69 |
797 | (looks_like_number(left) && *SvPVX(left) != '0') ) |
798 | { |
a0d0e21e |
799 | i = SvIV(left); |
800 | max = SvIV(right); |
bbce6d69 |
801 | if (max >= i) { |
802 | EXTEND_MORTAL(max - i + 1); |
a0d0e21e |
803 | EXTEND(SP, max - i + 1); |
bbce6d69 |
804 | } |
a0d0e21e |
805 | while (i <= max) { |
bbce6d69 |
806 | sv = sv_2mortal(newSViv(i++)); |
a0d0e21e |
807 | PUSHs(sv); |
808 | } |
809 | } |
810 | else { |
811 | SV *final = sv_mortalcopy(right); |
812 | STRLEN len; |
813 | char *tmps = SvPV(final, len); |
814 | |
815 | sv = sv_mortalcopy(left); |
4633a7c4 |
816 | while (!SvNIOKp(sv) && SvCUR(sv) <= len && |
a0d0e21e |
817 | strNE(SvPVX(sv),tmps) ) { |
818 | XPUSHs(sv); |
819 | sv = sv_2mortal(newSVsv(sv)); |
820 | sv_inc(sv); |
821 | } |
822 | if (strEQ(SvPVX(sv),tmps)) |
823 | XPUSHs(sv); |
824 | } |
825 | } |
826 | else { |
827 | dTOPss; |
828 | SV *targ = PAD_SV(cUNOP->op_first->op_targ); |
829 | sv_inc(targ); |
830 | if ((op->op_private & OPpFLIP_LINENUM) |
831 | ? last_in_gv && SvIV(sv) == IoLINES(GvIOp(last_in_gv)) |
832 | : SvTRUE(sv) ) { |
833 | sv_setiv(PAD_SV(((UNOP*)cUNOP->op_first)->op_first->op_targ), 0); |
834 | sv_catpv(targ, "E0"); |
835 | } |
836 | SETs(targ); |
837 | } |
838 | |
839 | RETURN; |
840 | } |
841 | |
842 | /* Control. */ |
843 | |
844 | static I32 |
8ac85365 |
845 | dopoptolabel(char *label) |
a0d0e21e |
846 | { |
11343788 |
847 | dTHR; |
a0d0e21e |
848 | register I32 i; |
c09156bb |
849 | register PERL_CONTEXT *cx; |
a0d0e21e |
850 | |
851 | for (i = cxstack_ix; i >= 0; i--) { |
852 | cx = &cxstack[i]; |
853 | switch (cx->cx_type) { |
854 | case CXt_SUBST: |
855 | if (dowarn) |
856 | warn("Exiting substitution via %s", op_name[op->op_type]); |
857 | break; |
858 | case CXt_SUB: |
859 | if (dowarn) |
860 | warn("Exiting subroutine via %s", op_name[op->op_type]); |
861 | break; |
862 | case CXt_EVAL: |
863 | if (dowarn) |
864 | warn("Exiting eval via %s", op_name[op->op_type]); |
865 | break; |
0a753a76 |
866 | case CXt_NULL: |
867 | if (dowarn) |
868 | warn("Exiting pseudo-block via %s", op_name[op->op_type]); |
869 | return -1; |
a0d0e21e |
870 | case CXt_LOOP: |
871 | if (!cx->blk_loop.label || |
872 | strNE(label, cx->blk_loop.label) ) { |
68dc0745 |
873 | DEBUG_l(deb("(Skipping label #%ld %s)\n", |
874 | (long)i, cx->blk_loop.label)); |
a0d0e21e |
875 | continue; |
876 | } |
68dc0745 |
877 | DEBUG_l( deb("(Found label #%ld %s)\n", (long)i, label)); |
a0d0e21e |
878 | return i; |
879 | } |
880 | } |
881 | return i; |
882 | } |
883 | |
e50aee73 |
884 | I32 |
8ac85365 |
885 | dowantarray(void) |
e50aee73 |
886 | { |
54310121 |
887 | I32 gimme = block_gimme(); |
888 | return (gimme == G_VOID) ? G_SCALAR : gimme; |
889 | } |
890 | |
891 | I32 |
8ac85365 |
892 | block_gimme(void) |
54310121 |
893 | { |
11343788 |
894 | dTHR; |
e50aee73 |
895 | I32 cxix; |
896 | |
897 | cxix = dopoptosub(cxstack_ix); |
898 | if (cxix < 0) |
46fc3d4c |
899 | return G_VOID; |
e50aee73 |
900 | |
54310121 |
901 | switch (cxstack[cxix].blk_gimme) { |
54310121 |
902 | case G_SCALAR: |
e50aee73 |
903 | return G_SCALAR; |
54310121 |
904 | case G_ARRAY: |
905 | return G_ARRAY; |
906 | default: |
907 | croak("panic: bad gimme: %d\n", cxstack[cxix].blk_gimme); |
4e35701f |
908 | case G_VOID: |
909 | return G_VOID; |
54310121 |
910 | } |
e50aee73 |
911 | } |
912 | |
a0d0e21e |
913 | static I32 |
8ac85365 |
914 | dopoptosub(I32 startingblock) |
a0d0e21e |
915 | { |
11343788 |
916 | dTHR; |
a0d0e21e |
917 | I32 i; |
c09156bb |
918 | register PERL_CONTEXT *cx; |
a0d0e21e |
919 | for (i = startingblock; i >= 0; i--) { |
920 | cx = &cxstack[i]; |
921 | switch (cx->cx_type) { |
922 | default: |
923 | continue; |
924 | case CXt_EVAL: |
925 | case CXt_SUB: |
68dc0745 |
926 | DEBUG_l( deb("(Found sub #%ld)\n", (long)i)); |
a0d0e21e |
927 | return i; |
928 | } |
929 | } |
930 | return i; |
931 | } |
932 | |
933 | static I32 |
8ac85365 |
934 | dopoptoeval(I32 startingblock) |
a0d0e21e |
935 | { |
11343788 |
936 | dTHR; |
a0d0e21e |
937 | I32 i; |
c09156bb |
938 | register PERL_CONTEXT *cx; |
a0d0e21e |
939 | for (i = startingblock; i >= 0; i--) { |
940 | cx = &cxstack[i]; |
941 | switch (cx->cx_type) { |
942 | default: |
943 | continue; |
944 | case CXt_EVAL: |
68dc0745 |
945 | DEBUG_l( deb("(Found eval #%ld)\n", (long)i)); |
a0d0e21e |
946 | return i; |
947 | } |
948 | } |
949 | return i; |
950 | } |
951 | |
952 | static I32 |
8ac85365 |
953 | dopoptoloop(I32 startingblock) |
a0d0e21e |
954 | { |
11343788 |
955 | dTHR; |
a0d0e21e |
956 | I32 i; |
c09156bb |
957 | register PERL_CONTEXT *cx; |
a0d0e21e |
958 | for (i = startingblock; i >= 0; i--) { |
959 | cx = &cxstack[i]; |
960 | switch (cx->cx_type) { |
961 | case CXt_SUBST: |
962 | if (dowarn) |
5f05dabc |
963 | warn("Exiting substitution via %s", op_name[op->op_type]); |
a0d0e21e |
964 | break; |
965 | case CXt_SUB: |
966 | if (dowarn) |
967 | warn("Exiting subroutine via %s", op_name[op->op_type]); |
968 | break; |
969 | case CXt_EVAL: |
970 | if (dowarn) |
971 | warn("Exiting eval via %s", op_name[op->op_type]); |
972 | break; |
0a753a76 |
973 | case CXt_NULL: |
974 | if (dowarn) |
975 | warn("Exiting pseudo-block via %s", op_name[op->op_type]); |
976 | return -1; |
a0d0e21e |
977 | case CXt_LOOP: |
68dc0745 |
978 | DEBUG_l( deb("(Found loop #%ld)\n", (long)i)); |
a0d0e21e |
979 | return i; |
980 | } |
981 | } |
982 | return i; |
983 | } |
984 | |
985 | void |
8ac85365 |
986 | dounwind(I32 cxix) |
a0d0e21e |
987 | { |
11343788 |
988 | dTHR; |
c09156bb |
989 | register PERL_CONTEXT *cx; |
a0d0e21e |
990 | SV **newsp; |
991 | I32 optype; |
992 | |
993 | while (cxstack_ix > cxix) { |
c90c0ff4 |
994 | cx = &cxstack[cxstack_ix]; |
995 | DEBUG_l(PerlIO_printf(Perl_debug_log, "Unwinding block %ld, type %s\n", |
996 | (long) cxstack_ix+1, block_type[cx->cx_type])); |
a0d0e21e |
997 | /* Note: we don't need to restore the base context info till the end. */ |
998 | switch (cx->cx_type) { |
c90c0ff4 |
999 | case CXt_SUBST: |
1000 | POPSUBST(cx); |
1001 | continue; /* not break */ |
a0d0e21e |
1002 | case CXt_SUB: |
1003 | POPSUB(cx); |
1004 | break; |
1005 | case CXt_EVAL: |
1006 | POPEVAL(cx); |
1007 | break; |
1008 | case CXt_LOOP: |
1009 | POPLOOP(cx); |
1010 | break; |
0a753a76 |
1011 | case CXt_NULL: |
a0d0e21e |
1012 | break; |
1013 | } |
c90c0ff4 |
1014 | cxstack_ix--; |
a0d0e21e |
1015 | } |
1016 | } |
1017 | |
a0d0e21e |
1018 | OP * |
8ac85365 |
1019 | die_where(char *message) |
a0d0e21e |
1020 | { |
11343788 |
1021 | dTHR; |
a0d0e21e |
1022 | if (in_eval) { |
1023 | I32 cxix; |
c09156bb |
1024 | register PERL_CONTEXT *cx; |
a0d0e21e |
1025 | I32 gimme; |
1026 | SV **newsp; |
1027 | |
4633a7c4 |
1028 | if (in_eval & 4) { |
1029 | SV **svp; |
1030 | STRLEN klen = strlen(message); |
1031 | |
38a03e6e |
1032 | svp = hv_fetch(ERRHV, message, klen, TRUE); |
4633a7c4 |
1033 | if (svp) { |
1034 | if (!SvIOK(*svp)) { |
1035 | static char prefix[] = "\t(in cleanup) "; |
1036 | sv_upgrade(*svp, SVt_IV); |
1037 | (void)SvIOK_only(*svp); |
38a03e6e |
1038 | SvGROW(ERRSV, SvCUR(ERRSV)+sizeof(prefix)+klen); |
1039 | sv_catpvn(ERRSV, prefix, sizeof(prefix)-1); |
1040 | sv_catpvn(ERRSV, message, klen); |
4633a7c4 |
1041 | } |
1042 | sv_inc(*svp); |
1043 | } |
1044 | } |
1045 | else |
38a03e6e |
1046 | sv_setpv(ERRSV, message); |
4633a7c4 |
1047 | |
a0d0e21e |
1048 | cxix = dopoptoeval(cxstack_ix); |
1049 | if (cxix >= 0) { |
1050 | I32 optype; |
1051 | |
1052 | if (cxix < cxstack_ix) |
1053 | dounwind(cxix); |
1054 | |
1055 | POPBLOCK(cx,curpm); |
1056 | if (cx->cx_type != CXt_EVAL) { |
760ac839 |
1057 | PerlIO_printf(PerlIO_stderr(), "panic: die %s", message); |
a0d0e21e |
1058 | my_exit(1); |
1059 | } |
1060 | POPEVAL(cx); |
1061 | |
1062 | if (gimme == G_SCALAR) |
1063 | *++newsp = &sv_undef; |
1064 | stack_sp = newsp; |
1065 | |
1066 | LEAVE; |
748a9306 |
1067 | |
7a2e2cd6 |
1068 | if (optype == OP_REQUIRE) { |
38a03e6e |
1069 | char* msg = SvPVx(ERRSV, na); |
7a2e2cd6 |
1070 | DIE("%s", *msg ? msg : "Compilation failed in require"); |
1071 | } |
a0d0e21e |
1072 | return pop_return(); |
1073 | } |
1074 | } |
760ac839 |
1075 | PerlIO_printf(PerlIO_stderr(), "%s",message); |
1076 | PerlIO_flush(PerlIO_stderr()); |
f86702cc |
1077 | my_failure_exit(); |
1078 | /* NOTREACHED */ |
a0d0e21e |
1079 | return 0; |
1080 | } |
1081 | |
1082 | PP(pp_xor) |
1083 | { |
4e35701f |
1084 | djSP; dPOPTOPssrl; |
a0d0e21e |
1085 | if (SvTRUE(left) != SvTRUE(right)) |
1086 | RETSETYES; |
1087 | else |
1088 | RETSETNO; |
1089 | } |
1090 | |
1091 | PP(pp_andassign) |
1092 | { |
4e35701f |
1093 | djSP; |
a0d0e21e |
1094 | if (!SvTRUE(TOPs)) |
1095 | RETURN; |
1096 | else |
1097 | RETURNOP(cLOGOP->op_other); |
1098 | } |
1099 | |
1100 | PP(pp_orassign) |
1101 | { |
4e35701f |
1102 | djSP; |
a0d0e21e |
1103 | if (SvTRUE(TOPs)) |
1104 | RETURN; |
1105 | else |
1106 | RETURNOP(cLOGOP->op_other); |
1107 | } |
1108 | |
a0d0e21e |
1109 | PP(pp_caller) |
1110 | { |
4e35701f |
1111 | djSP; |
a0d0e21e |
1112 | register I32 cxix = dopoptosub(cxstack_ix); |
c09156bb |
1113 | register PERL_CONTEXT *cx; |
a0d0e21e |
1114 | I32 dbcxix; |
54310121 |
1115 | I32 gimme; |
a0d0e21e |
1116 | SV *sv; |
1117 | I32 count = 0; |
1118 | |
1119 | if (MAXARG) |
1120 | count = POPi; |
1121 | EXTEND(SP, 6); |
1122 | for (;;) { |
1123 | if (cxix < 0) { |
1124 | if (GIMME != G_ARRAY) |
1125 | RETPUSHUNDEF; |
1126 | RETURN; |
1127 | } |
1128 | if (DBsub && cxix >= 0 && |
1129 | cxstack[cxix].blk_sub.cv == GvCV(DBsub)) |
1130 | count++; |
1131 | if (!count--) |
1132 | break; |
1133 | cxix = dopoptosub(cxix - 1); |
1134 | } |
1135 | cx = &cxstack[cxix]; |
06a5b730 |
1136 | if (cxstack[cxix].cx_type == CXt_SUB) { |
1137 | dbcxix = dopoptosub(cxix - 1); |
1138 | /* We expect that cxstack[dbcxix] is CXt_SUB, anyway, the |
1139 | field below is defined for any cx. */ |
1140 | if (DBsub && dbcxix >= 0 && cxstack[dbcxix].blk_sub.cv == GvCV(DBsub)) |
1141 | cx = &cxstack[dbcxix]; |
1142 | } |
1143 | |
a0d0e21e |
1144 | if (GIMME != G_ARRAY) { |
1145 | dTARGET; |
1146 | |
1147 | sv_setpv(TARG, HvNAME(cx->blk_oldcop->cop_stash)); |
1148 | PUSHs(TARG); |
1149 | RETURN; |
1150 | } |
a0d0e21e |
1151 | |
1152 | PUSHs(sv_2mortal(newSVpv(HvNAME(cx->blk_oldcop->cop_stash), 0))); |
1153 | PUSHs(sv_2mortal(newSVpv(SvPVX(GvSV(cx->blk_oldcop->cop_filegv)), 0))); |
1154 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_oldcop->cop_line))); |
1155 | if (!MAXARG) |
1156 | RETURN; |
06a5b730 |
1157 | if (cx->cx_type == CXt_SUB) { /* So is cxstack[dbcxix]. */ |
a0d0e21e |
1158 | sv = NEWSV(49, 0); |
e5cf08de |
1159 | gv_efullname3(sv, CvGV(cxstack[cxix].blk_sub.cv), Nullch); |
a0d0e21e |
1160 | PUSHs(sv_2mortal(sv)); |
1161 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_sub.hasargs))); |
1162 | } |
1163 | else { |
1164 | PUSHs(sv_2mortal(newSVpv("(eval)",0))); |
1165 | PUSHs(sv_2mortal(newSViv(0))); |
1166 | } |
54310121 |
1167 | gimme = (I32)cx->blk_gimme; |
1168 | if (gimme == G_VOID) |
1169 | PUSHs(&sv_undef); |
1170 | else |
1171 | PUSHs(sv_2mortal(newSViv(gimme & G_ARRAY))); |
4633a7c4 |
1172 | if (cx->cx_type == CXt_EVAL) { |
06a5b730 |
1173 | if (cx->blk_eval.old_op_type == OP_ENTEREVAL) { |
4633a7c4 |
1174 | PUSHs(cx->blk_eval.cur_text); |
06a5b730 |
1175 | PUSHs(&sv_no); |
1176 | } |
1177 | else if (cx->blk_eval.old_name) { /* Try blocks have old_name == 0. */ |
1178 | /* Require, put the name. */ |
1179 | PUSHs(sv_2mortal(newSVpv(cx->blk_eval.old_name, 0))); |
1180 | PUSHs(&sv_yes); |
1181 | } |
4633a7c4 |
1182 | } |
1183 | else if (cx->cx_type == CXt_SUB && |
1184 | cx->blk_sub.hasargs && |
1185 | curcop->cop_stash == debstash) |
1186 | { |
a0d0e21e |
1187 | AV *ary = cx->blk_sub.argarray; |
1188 | int off = AvARRAY(ary) - AvALLOC(ary); |
1189 | |
1190 | if (!dbargs) { |
1191 | GV* tmpgv; |
1192 | dbargs = GvAV(gv_AVadd(tmpgv = gv_fetchpv("DB::args", TRUE, |
1193 | SVt_PVAV))); |
a5f75d66 |
1194 | GvMULTI_on(tmpgv); |
a0d0e21e |
1195 | AvREAL_off(dbargs); /* XXX Should be REIFY */ |
1196 | } |
1197 | |
1198 | if (AvMAX(dbargs) < AvFILL(ary) + off) |
1199 | av_extend(dbargs, AvFILL(ary) + off); |
1200 | Copy(AvALLOC(ary), AvARRAY(dbargs), AvFILL(ary) + 1 + off, SV*); |
1201 | AvFILL(dbargs) = AvFILL(ary) + off; |
1202 | } |
1203 | RETURN; |
1204 | } |
1205 | |
1206 | static int |
8ac85365 |
1207 | sortcv(const void *a, const void *b) |
a0d0e21e |
1208 | { |
11343788 |
1209 | dTHR; |
9607fc9c |
1210 | SV * const *str1 = (SV * const *)a; |
1211 | SV * const *str2 = (SV * const *)b; |
748a9306 |
1212 | I32 oldsaveix = savestack_ix; |
a0d0e21e |
1213 | I32 oldscopeix = scopestack_ix; |
1214 | I32 result; |
1215 | GvSV(firstgv) = *str1; |
1216 | GvSV(secondgv) = *str2; |
1217 | stack_sp = stack_base; |
1218 | op = sortcop; |
a6c477ed |
1219 | runops(); |
a0d0e21e |
1220 | if (stack_sp != stack_base + 1) |
1221 | croak("Sort subroutine didn't return single value"); |
748a9306 |
1222 | if (!SvNIOKp(*stack_sp)) |
a0d0e21e |
1223 | croak("Sort subroutine didn't return a numeric value"); |
1224 | result = SvIV(*stack_sp); |
1225 | while (scopestack_ix > oldscopeix) { |
1226 | LEAVE; |
1227 | } |
748a9306 |
1228 | leave_scope(oldsaveix); |
a0d0e21e |
1229 | return result; |
1230 | } |
1231 | |
1232 | static int |
8ac85365 |
1233 | sortcmp(const void *a, const void *b) |
a0d0e21e |
1234 | { |
9607fc9c |
1235 | return sv_cmp(*(SV * const *)a, *(SV * const *)b); |
bbce6d69 |
1236 | } |
e5cf08de |
1237 | |
bbce6d69 |
1238 | static int |
8ac85365 |
1239 | sortcmp_locale(const void *a, const void *b) |
bbce6d69 |
1240 | { |
9607fc9c |
1241 | return sv_cmp_locale(*(SV * const *)a, *(SV * const *)b); |
a0d0e21e |
1242 | } |
1243 | |
1244 | PP(pp_reset) |
1245 | { |
4e35701f |
1246 | djSP; |
a0d0e21e |
1247 | char *tmps; |
1248 | |
1249 | if (MAXARG < 1) |
1250 | tmps = ""; |
1251 | else |
1252 | tmps = POPp; |
1253 | sv_reset(tmps, curcop->cop_stash); |
1254 | PUSHs(&sv_yes); |
1255 | RETURN; |
1256 | } |
1257 | |
1258 | PP(pp_lineseq) |
1259 | { |
1260 | return NORMAL; |
1261 | } |
1262 | |
1263 | PP(pp_dbstate) |
1264 | { |
1265 | curcop = (COP*)op; |
1266 | TAINT_NOT; /* Each statement is presumed innocent */ |
1267 | stack_sp = stack_base + cxstack[cxstack_ix].blk_oldsp; |
1268 | FREETMPS; |
1269 | |
1270 | if (op->op_private || SvIV(DBsingle) || SvIV(DBsignal) || SvIV(DBtrace)) |
1271 | { |
1272 | SV **sp; |
1273 | register CV *cv; |
c09156bb |
1274 | register PERL_CONTEXT *cx; |
748a9306 |
1275 | I32 gimme = G_ARRAY; |
a0d0e21e |
1276 | I32 hasargs; |
1277 | GV *gv; |
1278 | |
a0d0e21e |
1279 | gv = DBgv; |
1280 | cv = GvCV(gv); |
a0d0e21e |
1281 | if (!cv) |
1282 | DIE("No DB::DB routine defined"); |
1283 | |
06a5b730 |
1284 | if (CvDEPTH(cv) >= 1 && !(debug & (1<<30))) /* don't do recursive DB::DB call */ |
a0d0e21e |
1285 | return NORMAL; |
748a9306 |
1286 | |
4633a7c4 |
1287 | ENTER; |
1288 | SAVETMPS; |
1289 | |
748a9306 |
1290 | SAVEI32(debug); |
55497cff |
1291 | SAVESTACK_POS(); |
748a9306 |
1292 | debug = 0; |
1293 | hasargs = 0; |
1294 | sp = stack_sp; |
1295 | |
a0d0e21e |
1296 | push_return(op->op_next); |
748a9306 |
1297 | PUSHBLOCK(cx, CXt_SUB, sp); |
a0d0e21e |
1298 | PUSHSUB(cx); |
1299 | CvDEPTH(cv)++; |
1300 | (void)SvREFCNT_inc(cv); |
1301 | SAVESPTR(curpad); |
1302 | curpad = AvARRAY((AV*)*av_fetch(CvPADLIST(cv),1,FALSE)); |
1303 | RETURNOP(CvSTART(cv)); |
1304 | } |
1305 | else |
1306 | return NORMAL; |
1307 | } |
1308 | |
1309 | PP(pp_scope) |
1310 | { |
1311 | return NORMAL; |
1312 | } |
1313 | |
1314 | PP(pp_enteriter) |
1315 | { |
4e35701f |
1316 | djSP; dMARK; |
c09156bb |
1317 | register PERL_CONTEXT *cx; |
54310121 |
1318 | I32 gimme = GIMME_V; |
a0d0e21e |
1319 | SV **svp; |
1320 | |
4633a7c4 |
1321 | ENTER; |
1322 | SAVETMPS; |
1323 | |
a0d0e21e |
1324 | if (op->op_targ) |
1325 | svp = &curpad[op->op_targ]; /* "my" variable */ |
1326 | else |
1327 | svp = &GvSV((GV*)POPs); /* symbol table variable */ |
1328 | |
4633a7c4 |
1329 | SAVESPTR(*svp); |
1330 | |
a0d0e21e |
1331 | ENTER; |
1332 | |
1333 | PUSHBLOCK(cx, CXt_LOOP, SP); |
1334 | PUSHLOOP(cx, svp, MARK); |
44a8e56a |
1335 | if (op->op_flags & OPf_STACKED) |
1336 | cx->blk_loop.iterary = (AV*)SvREFCNT_inc(POPs); |
4633a7c4 |
1337 | else { |
1ce6579f |
1338 | cx->blk_loop.iterary = curstack; |
1339 | AvFILL(curstack) = sp - stack_base; |
4633a7c4 |
1340 | cx->blk_loop.iterix = MARK - stack_base; |
1341 | } |
a0d0e21e |
1342 | |
1343 | RETURN; |
1344 | } |
1345 | |
1346 | PP(pp_enterloop) |
1347 | { |
4e35701f |
1348 | djSP; |
c09156bb |
1349 | register PERL_CONTEXT *cx; |
54310121 |
1350 | I32 gimme = GIMME_V; |
a0d0e21e |
1351 | |
1352 | ENTER; |
1353 | SAVETMPS; |
1354 | ENTER; |
1355 | |
1356 | PUSHBLOCK(cx, CXt_LOOP, SP); |
1357 | PUSHLOOP(cx, 0, SP); |
1358 | |
1359 | RETURN; |
1360 | } |
1361 | |
1362 | PP(pp_leaveloop) |
1363 | { |
4e35701f |
1364 | djSP; |
c09156bb |
1365 | register PERL_CONTEXT *cx; |
f86702cc |
1366 | struct block_loop cxloop; |
a0d0e21e |
1367 | I32 gimme; |
1368 | SV **newsp; |
1369 | PMOP *newpm; |
1370 | SV **mark; |
1371 | |
1372 | POPBLOCK(cx,newpm); |
4fdae800 |
1373 | mark = newsp; |
f86702cc |
1374 | POPLOOP1(cx); /* Delay POPLOOP2 until stack values are safe */ |
1375 | |
a1f49e72 |
1376 | TAINT_NOT; |
54310121 |
1377 | if (gimme == G_VOID) |
1378 | ; /* do nothing */ |
1379 | else if (gimme == G_SCALAR) { |
1380 | if (mark < SP) |
1381 | *++newsp = sv_mortalcopy(*SP); |
1382 | else |
1383 | *++newsp = &sv_undef; |
a0d0e21e |
1384 | } |
1385 | else { |
a1f49e72 |
1386 | while (mark < SP) { |
a0d0e21e |
1387 | *++newsp = sv_mortalcopy(*++mark); |
a1f49e72 |
1388 | TAINT_NOT; /* Each item is independent */ |
1389 | } |
a0d0e21e |
1390 | } |
f86702cc |
1391 | SP = newsp; |
1392 | PUTBACK; |
1393 | |
1394 | POPLOOP2(); /* Stack values are safe: release loop vars ... */ |
1395 | curpm = newpm; /* ... and pop $1 et al */ |
1396 | |
a0d0e21e |
1397 | LEAVE; |
1398 | LEAVE; |
1399 | |
f86702cc |
1400 | return NORMAL; |
a0d0e21e |
1401 | } |
1402 | |
1403 | PP(pp_return) |
1404 | { |
4e35701f |
1405 | djSP; dMARK; |
a0d0e21e |
1406 | I32 cxix; |
c09156bb |
1407 | register PERL_CONTEXT *cx; |
f86702cc |
1408 | struct block_sub cxsub; |
1409 | bool popsub2 = FALSE; |
a0d0e21e |
1410 | I32 gimme; |
1411 | SV **newsp; |
1412 | PMOP *newpm; |
1413 | I32 optype = 0; |
1414 | |
1ce6579f |
1415 | if (curstack == sortstack) { |
b3933176 |
1416 | if (cxstack_ix == sortcxix || dopoptosub(cxstack_ix) <= sortcxix) { |
16d20bd9 |
1417 | if (cxstack_ix > sortcxix) |
1418 | dounwind(sortcxix); |
1ce6579f |
1419 | AvARRAY(curstack)[1] = *SP; |
a0d0e21e |
1420 | stack_sp = stack_base + 1; |
1421 | return 0; |
1422 | } |
1423 | } |
1424 | |
1425 | cxix = dopoptosub(cxstack_ix); |
1426 | if (cxix < 0) |
1427 | DIE("Can't return outside a subroutine"); |
1428 | if (cxix < cxstack_ix) |
1429 | dounwind(cxix); |
1430 | |
1431 | POPBLOCK(cx,newpm); |
1432 | switch (cx->cx_type) { |
1433 | case CXt_SUB: |
f86702cc |
1434 | POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */ |
1435 | popsub2 = TRUE; |
a0d0e21e |
1436 | break; |
1437 | case CXt_EVAL: |
1438 | POPEVAL(cx); |
748a9306 |
1439 | if (optype == OP_REQUIRE && |
1440 | (MARK == SP || (gimme == G_SCALAR && !SvTRUE(*SP))) ) |
1441 | { |
54310121 |
1442 | /* Unassume the success we assumed earlier. */ |
748a9306 |
1443 | char *name = cx->blk_eval.old_name; |
1444 | (void)hv_delete(GvHVn(incgv), name, strlen(name), G_DISCARD); |
1445 | DIE("%s did not return a true value", name); |
1446 | } |
a0d0e21e |
1447 | break; |
1448 | default: |
1449 | DIE("panic: return"); |
a0d0e21e |
1450 | } |
1451 | |
a1f49e72 |
1452 | TAINT_NOT; |
a0d0e21e |
1453 | if (gimme == G_SCALAR) { |
1454 | if (MARK < SP) |
f86702cc |
1455 | *++newsp = (popsub2 && SvTEMP(*SP)) |
1456 | ? *SP : sv_mortalcopy(*SP); |
a0d0e21e |
1457 | else |
1458 | *++newsp = &sv_undef; |
a0d0e21e |
1459 | } |
54310121 |
1460 | else if (gimme == G_ARRAY) { |
a1f49e72 |
1461 | while (++MARK <= SP) { |
f86702cc |
1462 | *++newsp = (popsub2 && SvTEMP(*MARK)) |
1463 | ? *MARK : sv_mortalcopy(*MARK); |
a1f49e72 |
1464 | TAINT_NOT; /* Each item is independent */ |
1465 | } |
a0d0e21e |
1466 | } |
a0d0e21e |
1467 | stack_sp = newsp; |
1468 | |
f86702cc |
1469 | /* Stack values are safe: */ |
1470 | if (popsub2) { |
1471 | POPSUB2(); /* release CV and @_ ... */ |
1472 | } |
1473 | curpm = newpm; /* ... and pop $1 et al */ |
1474 | |
a0d0e21e |
1475 | LEAVE; |
1476 | return pop_return(); |
1477 | } |
1478 | |
1479 | PP(pp_last) |
1480 | { |
4e35701f |
1481 | djSP; |
a0d0e21e |
1482 | I32 cxix; |
c09156bb |
1483 | register PERL_CONTEXT *cx; |
f86702cc |
1484 | struct block_loop cxloop; |
1485 | struct block_sub cxsub; |
1486 | I32 pop2 = 0; |
a0d0e21e |
1487 | I32 gimme; |
1488 | I32 optype; |
1489 | OP *nextop; |
1490 | SV **newsp; |
1491 | PMOP *newpm; |
1492 | SV **mark = stack_base + cxstack[cxstack_ix].blk_oldsp; |
a0d0e21e |
1493 | |
1494 | if (op->op_flags & OPf_SPECIAL) { |
1495 | cxix = dopoptoloop(cxstack_ix); |
1496 | if (cxix < 0) |
1497 | DIE("Can't \"last\" outside a block"); |
1498 | } |
1499 | else { |
1500 | cxix = dopoptolabel(cPVOP->op_pv); |
1501 | if (cxix < 0) |
1502 | DIE("Label not found for \"last %s\"", cPVOP->op_pv); |
1503 | } |
1504 | if (cxix < cxstack_ix) |
1505 | dounwind(cxix); |
1506 | |
1507 | POPBLOCK(cx,newpm); |
1508 | switch (cx->cx_type) { |
1509 | case CXt_LOOP: |
f86702cc |
1510 | POPLOOP1(cx); /* Delay POPLOOP2 until stack values are safe */ |
1511 | pop2 = CXt_LOOP; |
4fdae800 |
1512 | nextop = cxloop.last_op->op_next; |
a0d0e21e |
1513 | break; |
f86702cc |
1514 | case CXt_SUB: |
1515 | POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */ |
1516 | pop2 = CXt_SUB; |
a0d0e21e |
1517 | nextop = pop_return(); |
1518 | break; |
f86702cc |
1519 | case CXt_EVAL: |
1520 | POPEVAL(cx); |
a0d0e21e |
1521 | nextop = pop_return(); |
1522 | break; |
1523 | default: |
1524 | DIE("panic: last"); |
a0d0e21e |
1525 | } |
1526 | |
a1f49e72 |
1527 | TAINT_NOT; |
a0d0e21e |
1528 | if (gimme == G_SCALAR) { |
f86702cc |
1529 | if (MARK < SP) |
1530 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*SP)) |
1531 | ? *SP : sv_mortalcopy(*SP); |
a0d0e21e |
1532 | else |
1533 | *++newsp = &sv_undef; |
1534 | } |
54310121 |
1535 | else if (gimme == G_ARRAY) { |
a1f49e72 |
1536 | while (++MARK <= SP) { |
f86702cc |
1537 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*MARK)) |
1538 | ? *MARK : sv_mortalcopy(*MARK); |
a1f49e72 |
1539 | TAINT_NOT; /* Each item is independent */ |
1540 | } |
f86702cc |
1541 | } |
1542 | SP = newsp; |
1543 | PUTBACK; |
1544 | |
1545 | /* Stack values are safe: */ |
1546 | switch (pop2) { |
1547 | case CXt_LOOP: |
1548 | POPLOOP2(); /* release loop vars ... */ |
4fdae800 |
1549 | LEAVE; |
f86702cc |
1550 | break; |
1551 | case CXt_SUB: |
1552 | POPSUB2(); /* release CV and @_ ... */ |
1553 | break; |
a0d0e21e |
1554 | } |
f86702cc |
1555 | curpm = newpm; /* ... and pop $1 et al */ |
a0d0e21e |
1556 | |
1557 | LEAVE; |
f86702cc |
1558 | return nextop; |
a0d0e21e |
1559 | } |
1560 | |
1561 | PP(pp_next) |
1562 | { |
1563 | I32 cxix; |
c09156bb |
1564 | register PERL_CONTEXT *cx; |
a0d0e21e |
1565 | I32 oldsave; |
1566 | |
1567 | if (op->op_flags & OPf_SPECIAL) { |
1568 | cxix = dopoptoloop(cxstack_ix); |
1569 | if (cxix < 0) |
1570 | DIE("Can't \"next\" outside a block"); |
1571 | } |
1572 | else { |
1573 | cxix = dopoptolabel(cPVOP->op_pv); |
1574 | if (cxix < 0) |
1575 | DIE("Label not found for \"next %s\"", cPVOP->op_pv); |
1576 | } |
1577 | if (cxix < cxstack_ix) |
1578 | dounwind(cxix); |
1579 | |
1580 | TOPBLOCK(cx); |
1581 | oldsave = scopestack[scopestack_ix - 1]; |
1582 | LEAVE_SCOPE(oldsave); |
1583 | return cx->blk_loop.next_op; |
1584 | } |
1585 | |
1586 | PP(pp_redo) |
1587 | { |
1588 | I32 cxix; |
c09156bb |
1589 | register PERL_CONTEXT *cx; |
a0d0e21e |
1590 | I32 oldsave; |
1591 | |
1592 | if (op->op_flags & OPf_SPECIAL) { |
1593 | cxix = dopoptoloop(cxstack_ix); |
1594 | if (cxix < 0) |
1595 | DIE("Can't \"redo\" outside a block"); |
1596 | } |
1597 | else { |
1598 | cxix = dopoptolabel(cPVOP->op_pv); |
1599 | if (cxix < 0) |
1600 | DIE("Label not found for \"redo %s\"", cPVOP->op_pv); |
1601 | } |
1602 | if (cxix < cxstack_ix) |
1603 | dounwind(cxix); |
1604 | |
1605 | TOPBLOCK(cx); |
1606 | oldsave = scopestack[scopestack_ix - 1]; |
1607 | LEAVE_SCOPE(oldsave); |
1608 | return cx->blk_loop.redo_op; |
1609 | } |
1610 | |
1611 | static OP* lastgotoprobe; |
1612 | |
1613 | static OP * |
8ac85365 |
1614 | dofindlabel(OP *o, char *label, OP **opstack, OP **oplimit) |
a0d0e21e |
1615 | { |
1616 | OP *kid; |
1617 | OP **ops = opstack; |
fc36a67e |
1618 | static char too_deep[] = "Target of goto is too deeply nested"; |
a0d0e21e |
1619 | |
fc36a67e |
1620 | if (ops >= oplimit) |
1621 | croak(too_deep); |
11343788 |
1622 | if (o->op_type == OP_LEAVE || |
1623 | o->op_type == OP_SCOPE || |
1624 | o->op_type == OP_LEAVELOOP || |
1625 | o->op_type == OP_LEAVETRY) |
fc36a67e |
1626 | { |
5dc0d613 |
1627 | *ops++ = cUNOPo->op_first; |
fc36a67e |
1628 | if (ops >= oplimit) |
1629 | croak(too_deep); |
1630 | } |
a0d0e21e |
1631 | *ops = 0; |
11343788 |
1632 | if (o->op_flags & OPf_KIDS) { |
a0d0e21e |
1633 | /* First try all the kids at this level, since that's likeliest. */ |
11343788 |
1634 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
a0d0e21e |
1635 | if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) && |
1636 | kCOP->cop_label && strEQ(kCOP->cop_label, label)) |
1637 | return kid; |
1638 | } |
11343788 |
1639 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
a0d0e21e |
1640 | if (kid == lastgotoprobe) |
1641 | continue; |
fc36a67e |
1642 | if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) && |
1643 | (ops == opstack || |
1644 | (ops[-1]->op_type != OP_NEXTSTATE && |
1645 | ops[-1]->op_type != OP_DBSTATE))) |
1646 | *ops++ = kid; |
5dc0d613 |
1647 | if (o = dofindlabel(kid, label, ops, oplimit)) |
11343788 |
1648 | return o; |
a0d0e21e |
1649 | } |
1650 | } |
1651 | *ops = 0; |
1652 | return 0; |
1653 | } |
1654 | |
1655 | PP(pp_dump) |
1656 | { |
1657 | return pp_goto(ARGS); |
1658 | /*NOTREACHED*/ |
1659 | } |
1660 | |
1661 | PP(pp_goto) |
1662 | { |
4e35701f |
1663 | djSP; |
a0d0e21e |
1664 | OP *retop = 0; |
1665 | I32 ix; |
c09156bb |
1666 | register PERL_CONTEXT *cx; |
fc36a67e |
1667 | #define GOTO_DEPTH 64 |
1668 | OP *enterops[GOTO_DEPTH]; |
a0d0e21e |
1669 | char *label; |
1670 | int do_dump = (op->op_type == OP_DUMP); |
1671 | |
1672 | label = 0; |
1673 | if (op->op_flags & OPf_STACKED) { |
1674 | SV *sv = POPs; |
1675 | |
1676 | /* This egregious kludge implements goto &subroutine */ |
1677 | if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) { |
1678 | I32 cxix; |
c09156bb |
1679 | register PERL_CONTEXT *cx; |
a0d0e21e |
1680 | CV* cv = (CV*)SvRV(sv); |
1681 | SV** mark; |
1682 | I32 items = 0; |
1683 | I32 oldsave; |
1684 | |
4aa0a1f7 |
1685 | if (!CvROOT(cv) && !CvXSUB(cv)) { |
1686 | if (CvGV(cv)) { |
1687 | SV *tmpstr = sv_newmortal(); |
e5cf08de |
1688 | gv_efullname3(tmpstr, CvGV(cv), Nullch); |
4aa0a1f7 |
1689 | DIE("Goto undefined subroutine &%s",SvPVX(tmpstr)); |
1690 | } |
1691 | DIE("Goto undefined subroutine"); |
1692 | } |
1693 | |
a0d0e21e |
1694 | /* First do some returnish stuff. */ |
1695 | cxix = dopoptosub(cxstack_ix); |
1696 | if (cxix < 0) |
1697 | DIE("Can't goto subroutine outside a subroutine"); |
1698 | if (cxix < cxstack_ix) |
1699 | dounwind(cxix); |
1700 | TOPBLOCK(cx); |
1701 | mark = stack_sp; |
1702 | if (cx->blk_sub.hasargs) { /* put @_ back onto stack */ |
1703 | AV* av = cx->blk_sub.argarray; |
1704 | |
1705 | items = AvFILL(av) + 1; |
1ce6579f |
1706 | stack_sp++; |
1707 | EXTEND(stack_sp, items); /* @_ could have been extended. */ |
1708 | Copy(AvARRAY(av), stack_sp, items, SV*); |
a0d0e21e |
1709 | stack_sp += items; |
6d4ff0d2 |
1710 | #ifndef USE_THREADS |
2c05e328 |
1711 | SvREFCNT_dec(GvAV(defgv)); |
a0d0e21e |
1712 | GvAV(defgv) = cx->blk_sub.savearray; |
6d4ff0d2 |
1713 | #endif /* USE_THREADS */ |
a0d0e21e |
1714 | AvREAL_off(av); |
4633a7c4 |
1715 | av_clear(av); |
a0d0e21e |
1716 | } |
1717 | if (!(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth)) |
1718 | SvREFCNT_dec(cx->blk_sub.cv); |
1719 | oldsave = scopestack[scopestack_ix - 1]; |
1720 | LEAVE_SCOPE(oldsave); |
1721 | |
1722 | /* Now do some callish stuff. */ |
1723 | SAVETMPS; |
1724 | if (CvXSUB(cv)) { |
1725 | if (CvOLDSTYLE(cv)) { |
ecfc5424 |
1726 | I32 (*fp3)_((int,int,int)); |
a0d0e21e |
1727 | while (sp > mark) { |
1728 | sp[1] = sp[0]; |
1729 | sp--; |
1730 | } |
ecfc5424 |
1731 | fp3 = (I32(*)_((int,int,int)))CvXSUB(cv); |
1732 | items = (*fp3)(CvXSUBANY(cv).any_i32, |
1733 | mark - stack_base + 1, |
1734 | items); |
a0d0e21e |
1735 | sp = stack_base + items; |
1736 | } |
1737 | else { |
1ce6579f |
1738 | stack_sp--; /* There is no cv arg. */ |
a0d0e21e |
1739 | (void)(*CvXSUB(cv))(cv); |
1740 | } |
1741 | LEAVE; |
1742 | return pop_return(); |
1743 | } |
1744 | else { |
1745 | AV* padlist = CvPADLIST(cv); |
1746 | SV** svp = AvARRAY(padlist); |
1747 | cx->blk_sub.cv = cv; |
1748 | cx->blk_sub.olddepth = CvDEPTH(cv); |
1749 | CvDEPTH(cv)++; |
1750 | if (CvDEPTH(cv) < 2) |
1751 | (void)SvREFCNT_inc(cv); |
1752 | else { /* save temporaries on recursion? */ |
1753 | if (CvDEPTH(cv) == 100 && dowarn) |
44a8e56a |
1754 | sub_crush_depth(cv); |
a0d0e21e |
1755 | if (CvDEPTH(cv) > AvFILL(padlist)) { |
1756 | AV *newpad = newAV(); |
4aa0a1f7 |
1757 | SV **oldpad = AvARRAY(svp[CvDEPTH(cv)-1]); |
a0d0e21e |
1758 | I32 ix = AvFILL((AV*)svp[1]); |
1759 | svp = AvARRAY(svp[0]); |
748a9306 |
1760 | for ( ;ix > 0; ix--) { |
a0d0e21e |
1761 | if (svp[ix] != &sv_undef) { |
748a9306 |
1762 | char *name = SvPVX(svp[ix]); |
5f05dabc |
1763 | if ((SvFLAGS(svp[ix]) & SVf_FAKE) |
1764 | || *name == '&') |
1765 | { |
1766 | /* outer lexical or anon code */ |
748a9306 |
1767 | av_store(newpad, ix, |
4aa0a1f7 |
1768 | SvREFCNT_inc(oldpad[ix]) ); |
748a9306 |
1769 | } |
1770 | else { /* our own lexical */ |
1771 | if (*name == '@') |
1772 | av_store(newpad, ix, sv = (SV*)newAV()); |
1773 | else if (*name == '%') |
1774 | av_store(newpad, ix, sv = (SV*)newHV()); |
1775 | else |
1776 | av_store(newpad, ix, sv = NEWSV(0,0)); |
1777 | SvPADMY_on(sv); |
1778 | } |
a0d0e21e |
1779 | } |
1780 | else { |
748a9306 |
1781 | av_store(newpad, ix, sv = NEWSV(0,0)); |
a0d0e21e |
1782 | SvPADTMP_on(sv); |
1783 | } |
1784 | } |
1785 | if (cx->blk_sub.hasargs) { |
1786 | AV* av = newAV(); |
1787 | av_extend(av, 0); |
1788 | av_store(newpad, 0, (SV*)av); |
1789 | AvFLAGS(av) = AVf_REIFY; |
1790 | } |
1791 | av_store(padlist, CvDEPTH(cv), (SV*)newpad); |
1792 | AvFILL(padlist) = CvDEPTH(cv); |
1793 | svp = AvARRAY(padlist); |
1794 | } |
1795 | } |
6d4ff0d2 |
1796 | #ifdef USE_THREADS |
1797 | if (!cx->blk_sub.hasargs) { |
1798 | AV* av = (AV*)curpad[0]; |
1799 | |
1800 | items = AvFILL(av) + 1; |
1801 | if (items) { |
1802 | /* Mark is at the end of the stack. */ |
1803 | EXTEND(sp, items); |
1804 | Copy(AvARRAY(av), sp + 1, items, SV*); |
1805 | sp += items; |
1806 | PUTBACK ; |
1807 | } |
1808 | } |
1809 | #endif /* USE_THREADS */ |
a0d0e21e |
1810 | SAVESPTR(curpad); |
1811 | curpad = AvARRAY((AV*)svp[CvDEPTH(cv)]); |
6d4ff0d2 |
1812 | #ifndef USE_THREADS |
1813 | if (cx->blk_sub.hasargs) |
1814 | #endif /* USE_THREADS */ |
1815 | { |
a0d0e21e |
1816 | AV* av = (AV*)curpad[0]; |
1817 | SV** ary; |
1818 | |
6d4ff0d2 |
1819 | #ifndef USE_THREADS |
a0d0e21e |
1820 | cx->blk_sub.savearray = GvAV(defgv); |
2c05e328 |
1821 | GvAV(defgv) = (AV*)SvREFCNT_inc(av); |
6d4ff0d2 |
1822 | #endif /* USE_THREADS */ |
1823 | cx->blk_sub.argarray = av; |
a0d0e21e |
1824 | ++mark; |
1825 | |
1826 | if (items >= AvMAX(av) + 1) { |
1827 | ary = AvALLOC(av); |
1828 | if (AvARRAY(av) != ary) { |
1829 | AvMAX(av) += AvARRAY(av) - AvALLOC(av); |
1830 | SvPVX(av) = (char*)ary; |
1831 | } |
1832 | if (items >= AvMAX(av) + 1) { |
1833 | AvMAX(av) = items - 1; |
1834 | Renew(ary,items+1,SV*); |
1835 | AvALLOC(av) = ary; |
1836 | SvPVX(av) = (char*)ary; |
1837 | } |
1838 | } |
1839 | Copy(mark,AvARRAY(av),items,SV*); |
1840 | AvFILL(av) = items - 1; |
1841 | |
1842 | while (items--) { |
1843 | if (*mark) |
1844 | SvTEMP_off(*mark); |
1845 | mark++; |
1846 | } |
1847 | } |
84902520 |
1848 | if (PERLDB_SUB && curstash != debstash) { |
44a8e56a |
1849 | /* |
1850 | * We do not care about using sv to call CV; |
1851 | * it's for informational purposes only. |
1852 | */ |
1ce6579f |
1853 | SV *sv = GvSV(DBsub); |
1854 | save_item(sv); |
e5cf08de |
1855 | gv_efullname3(sv, CvGV(cv), Nullch); |
1ce6579f |
1856 | } |
a0d0e21e |
1857 | RETURNOP(CvSTART(cv)); |
1858 | } |
1859 | } |
1860 | else |
1861 | label = SvPV(sv,na); |
1862 | } |
1863 | else if (op->op_flags & OPf_SPECIAL) { |
1864 | if (! do_dump) |
1865 | DIE("goto must have label"); |
1866 | } |
1867 | else |
1868 | label = cPVOP->op_pv; |
1869 | |
1870 | if (label && *label) { |
1871 | OP *gotoprobe = 0; |
1872 | |
1873 | /* find label */ |
1874 | |
1875 | lastgotoprobe = 0; |
1876 | *enterops = 0; |
1877 | for (ix = cxstack_ix; ix >= 0; ix--) { |
1878 | cx = &cxstack[ix]; |
1879 | switch (cx->cx_type) { |
a0d0e21e |
1880 | case CXt_EVAL: |
1881 | gotoprobe = eval_root; /* XXX not good for nested eval */ |
1882 | break; |
1883 | case CXt_LOOP: |
1884 | gotoprobe = cx->blk_oldcop->op_sibling; |
1885 | break; |
1886 | case CXt_SUBST: |
1887 | continue; |
1888 | case CXt_BLOCK: |
1889 | if (ix) |
1890 | gotoprobe = cx->blk_oldcop->op_sibling; |
1891 | else |
1892 | gotoprobe = main_root; |
1893 | break; |
b3933176 |
1894 | case CXt_SUB: |
1895 | if (CvDEPTH(cx->blk_sub.cv)) { |
1896 | gotoprobe = CvROOT(cx->blk_sub.cv); |
1897 | break; |
1898 | } |
1899 | /* FALL THROUGH */ |
0a753a76 |
1900 | case CXt_NULL: |
1901 | DIE("Can't \"goto\" outside a block"); |
a0d0e21e |
1902 | default: |
1903 | if (ix) |
1904 | DIE("panic: goto"); |
68dc0745 |
1905 | gotoprobe = main_root; |
a0d0e21e |
1906 | break; |
1907 | } |
fc36a67e |
1908 | retop = dofindlabel(gotoprobe, label, |
1909 | enterops, enterops + GOTO_DEPTH); |
a0d0e21e |
1910 | if (retop) |
1911 | break; |
1912 | lastgotoprobe = gotoprobe; |
1913 | } |
1914 | if (!retop) |
1915 | DIE("Can't find label %s", label); |
1916 | |
1917 | /* pop unwanted frames */ |
1918 | |
1919 | if (ix < cxstack_ix) { |
1920 | I32 oldsave; |
1921 | |
1922 | if (ix < 0) |
1923 | ix = 0; |
1924 | dounwind(ix); |
1925 | TOPBLOCK(cx); |
1926 | oldsave = scopestack[scopestack_ix]; |
1927 | LEAVE_SCOPE(oldsave); |
1928 | } |
1929 | |
1930 | /* push wanted frames */ |
1931 | |
748a9306 |
1932 | if (*enterops && enterops[1]) { |
a0d0e21e |
1933 | OP *oldop = op; |
748a9306 |
1934 | for (ix = 1; enterops[ix]; ix++) { |
a0d0e21e |
1935 | op = enterops[ix]; |
84902520 |
1936 | /* Eventually we may want to stack the needed arguments |
1937 | * for each op. For now, we punt on the hard ones. */ |
1938 | if (op->op_type == OP_ENTERITER) |
1939 | DIE("Can't \"goto\" into the middle of a foreach loop", |
1940 | label); |
11343788 |
1941 | (*op->op_ppaddr)(ARGS); |
a0d0e21e |
1942 | } |
1943 | op = oldop; |
1944 | } |
1945 | } |
1946 | |
1947 | if (do_dump) { |
a5f75d66 |
1948 | #ifdef VMS |
1949 | if (!retop) retop = main_start; |
1950 | #endif |
a0d0e21e |
1951 | restartop = retop; |
1952 | do_undump = TRUE; |
1953 | |
1954 | my_unexec(); |
1955 | |
1956 | restartop = 0; /* hmm, must be GNU unexec().. */ |
1957 | do_undump = FALSE; |
1958 | } |
1959 | |
1ce6579f |
1960 | if (curstack == signalstack) { |
748a9306 |
1961 | restartop = retop; |
54310121 |
1962 | JMPENV_JUMP(3); |
748a9306 |
1963 | } |
1964 | |
a0d0e21e |
1965 | RETURNOP(retop); |
1966 | } |
1967 | |
1968 | PP(pp_exit) |
1969 | { |
4e35701f |
1970 | djSP; |
a0d0e21e |
1971 | I32 anum; |
1972 | |
1973 | if (MAXARG < 1) |
1974 | anum = 0; |
ff0cee69 |
1975 | else { |
a0d0e21e |
1976 | anum = SvIVx(POPs); |
ff0cee69 |
1977 | #ifdef VMSISH_EXIT |
1978 | if (anum == 1 && VMSISH_EXIT) |
1979 | anum = 0; |
1980 | #endif |
1981 | } |
a0d0e21e |
1982 | my_exit(anum); |
1983 | PUSHs(&sv_undef); |
1984 | RETURN; |
1985 | } |
1986 | |
1987 | #ifdef NOTYET |
1988 | PP(pp_nswitch) |
1989 | { |
4e35701f |
1990 | djSP; |
a0d0e21e |
1991 | double value = SvNVx(GvSV(cCOP->cop_gv)); |
1992 | register I32 match = I_32(value); |
1993 | |
1994 | if (value < 0.0) { |
1995 | if (((double)match) > value) |
1996 | --match; /* was fractional--truncate other way */ |
1997 | } |
1998 | match -= cCOP->uop.scop.scop_offset; |
1999 | if (match < 0) |
2000 | match = 0; |
2001 | else if (match > cCOP->uop.scop.scop_max) |
2002 | match = cCOP->uop.scop.scop_max; |
2003 | op = cCOP->uop.scop.scop_next[match]; |
2004 | RETURNOP(op); |
2005 | } |
2006 | |
2007 | PP(pp_cswitch) |
2008 | { |
4e35701f |
2009 | djSP; |
a0d0e21e |
2010 | register I32 match; |
2011 | |
2012 | if (multiline) |
2013 | op = op->op_next; /* can't assume anything */ |
2014 | else { |
2015 | match = *(SvPVx(GvSV(cCOP->cop_gv), na)) & 255; |
2016 | match -= cCOP->uop.scop.scop_offset; |
2017 | if (match < 0) |
2018 | match = 0; |
2019 | else if (match > cCOP->uop.scop.scop_max) |
2020 | match = cCOP->uop.scop.scop_max; |
2021 | op = cCOP->uop.scop.scop_next[match]; |
2022 | } |
2023 | RETURNOP(op); |
2024 | } |
2025 | #endif |
2026 | |
2027 | /* Eval. */ |
2028 | |
2029 | static void |
8ac85365 |
2030 | save_lines(AV *array, SV *sv) |
a0d0e21e |
2031 | { |
2032 | register char *s = SvPVX(sv); |
2033 | register char *send = SvPVX(sv) + SvCUR(sv); |
2034 | register char *t; |
2035 | register I32 line = 1; |
2036 | |
2037 | while (s && s < send) { |
2038 | SV *tmpstr = NEWSV(85,0); |
2039 | |
2040 | sv_upgrade(tmpstr, SVt_PVMG); |
2041 | t = strchr(s, '\n'); |
2042 | if (t) |
2043 | t++; |
2044 | else |
2045 | t = send; |
2046 | |
2047 | sv_setpvn(tmpstr, s, t - s); |
2048 | av_store(array, line++, tmpstr); |
2049 | s = t; |
2050 | } |
2051 | } |
2052 | |
2053 | static OP * |
8ac85365 |
2054 | docatch(OP *o) |
1e422769 |
2055 | { |
e858de61 |
2056 | dTHR; |
1e422769 |
2057 | int ret; |
1e422769 |
2058 | OP *oldop = op; |
54310121 |
2059 | dJMPENV; |
1e422769 |
2060 | |
2061 | op = o; |
1e422769 |
2062 | #ifdef DEBUGGING |
54310121 |
2063 | assert(CATCH_GET == TRUE); |
7c06b590 |
2064 | DEBUG_l(deb("Setting up local jumplevel %p, was %p\n", &cur_env, top_env)); |
1e422769 |
2065 | #endif |
22921e25 |
2066 | JMPENV_PUSH(ret); |
2067 | switch (ret) { |
1e422769 |
2068 | default: /* topmost level handles it */ |
54310121 |
2069 | JMPENV_POP; |
1e422769 |
2070 | op = oldop; |
54310121 |
2071 | JMPENV_JUMP(ret); |
1e422769 |
2072 | /* NOTREACHED */ |
2073 | case 3: |
2074 | if (!restartop) { |
2075 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
2076 | break; |
2077 | } |
1e422769 |
2078 | op = restartop; |
2079 | restartop = 0; |
2080 | /* FALL THROUGH */ |
2081 | case 0: |
2082 | runops(); |
2083 | break; |
2084 | } |
54310121 |
2085 | JMPENV_POP; |
1e422769 |
2086 | op = oldop; |
2087 | return Nullop; |
2088 | } |
2089 | |
0f15f207 |
2090 | /* With USE_THREADS, eval_owner must be held on entry to doeval */ |
1e422769 |
2091 | static OP * |
8ac85365 |
2092 | doeval(int gimme) |
a0d0e21e |
2093 | { |
2094 | dSP; |
2095 | OP *saveop = op; |
2096 | HV *newstash; |
ff3ff8d1 |
2097 | CV *caller; |
748a9306 |
2098 | AV* comppadlist; |
a0d0e21e |
2099 | |
2100 | in_eval = 1; |
2101 | |
1ce6579f |
2102 | PUSHMARK(SP); |
2103 | |
a0d0e21e |
2104 | /* set up a scratch pad */ |
2105 | |
55497cff |
2106 | SAVEI32(padix); |
a0d0e21e |
2107 | SAVESPTR(curpad); |
2108 | SAVESPTR(comppad); |
2109 | SAVESPTR(comppad_name); |
55497cff |
2110 | SAVEI32(comppad_name_fill); |
2111 | SAVEI32(min_intro_pending); |
2112 | SAVEI32(max_intro_pending); |
748a9306 |
2113 | |
ff3ff8d1 |
2114 | caller = compcv; |
748a9306 |
2115 | SAVESPTR(compcv); |
2116 | compcv = (CV*)NEWSV(1104,0); |
2117 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c |
2118 | CvUNIQUE_on(compcv); |
11343788 |
2119 | #ifdef USE_THREADS |
2120 | CvOWNER(compcv) = 0; |
12ca11f6 |
2121 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
11343788 |
2122 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 |
2123 | #endif /* USE_THREADS */ |
748a9306 |
2124 | |
a0d0e21e |
2125 | comppad = newAV(); |
6d4ff0d2 |
2126 | av_push(comppad, Nullsv); |
2127 | curpad = AvARRAY(comppad); |
a0d0e21e |
2128 | comppad_name = newAV(); |
2129 | comppad_name_fill = 0; |
6d4ff0d2 |
2130 | min_intro_pending = 0; |
2131 | padix = 0; |
11343788 |
2132 | #ifdef USE_THREADS |
2133 | av_store(comppad_name, 0, newSVpv("@_", 2)); |
6d4ff0d2 |
2134 | curpad[0] = (SV*)newAV(); |
2135 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
11343788 |
2136 | #endif /* USE_THREADS */ |
a0d0e21e |
2137 | |
748a9306 |
2138 | comppadlist = newAV(); |
2139 | AvREAL_off(comppadlist); |
8e07c86e |
2140 | av_store(comppadlist, 0, (SV*)comppad_name); |
2141 | av_store(comppadlist, 1, (SV*)comppad); |
748a9306 |
2142 | CvPADLIST(compcv) = comppadlist; |
2c05e328 |
2143 | |
2144 | if (saveop->op_type != OP_REQUIRE) |
199100c8 |
2145 | CvOUTSIDE(compcv) = (CV*)SvREFCNT_inc(caller); |
07055b4c |
2146 | |
8e07c86e |
2147 | SAVEFREESV(compcv); |
748a9306 |
2148 | |
a0d0e21e |
2149 | /* make sure we compile in the right package */ |
2150 | |
2151 | newstash = curcop->cop_stash; |
2152 | if (curstash != newstash) { |
2153 | SAVESPTR(curstash); |
2154 | curstash = newstash; |
2155 | } |
2156 | SAVESPTR(beginav); |
2157 | beginav = newAV(); |
2158 | SAVEFREESV(beginav); |
2159 | |
2160 | /* try to compile it */ |
2161 | |
2162 | eval_root = Nullop; |
2163 | error_count = 0; |
2164 | curcop = &compiling; |
2165 | curcop->cop_arybase = 0; |
c07a80fd |
2166 | SvREFCNT_dec(rs); |
2167 | rs = newSVpv("\n", 1); |
1ce6579f |
2168 | if (saveop->op_flags & OPf_SPECIAL) |
2169 | in_eval |= 4; |
2170 | else |
38a03e6e |
2171 | sv_setpv(ERRSV,""); |
a0d0e21e |
2172 | if (yyparse() || error_count || !eval_root) { |
2173 | SV **newsp; |
2174 | I32 gimme; |
c09156bb |
2175 | PERL_CONTEXT *cx; |
a0d0e21e |
2176 | I32 optype; |
2177 | |
2178 | op = saveop; |
2179 | if (eval_root) { |
2180 | op_free(eval_root); |
2181 | eval_root = Nullop; |
2182 | } |
1ce6579f |
2183 | SP = stack_base + POPMARK; /* pop original mark */ |
a0d0e21e |
2184 | POPBLOCK(cx,curpm); |
2185 | POPEVAL(cx); |
2186 | pop_return(); |
2187 | lex_end(); |
2188 | LEAVE; |
7a2e2cd6 |
2189 | if (optype == OP_REQUIRE) { |
38a03e6e |
2190 | char* msg = SvPVx(ERRSV, na); |
7a2e2cd6 |
2191 | DIE("%s", *msg ? msg : "Compilation failed in require"); |
2192 | } |
c07a80fd |
2193 | SvREFCNT_dec(rs); |
2194 | rs = SvREFCNT_inc(nrs); |
f2134d95 |
2195 | #ifdef USE_THREADS |
2196 | MUTEX_LOCK(&eval_mutex); |
2197 | eval_owner = 0; |
2198 | COND_SIGNAL(&eval_cond); |
2199 | MUTEX_UNLOCK(&eval_mutex); |
2200 | #endif /* USE_THREADS */ |
a0d0e21e |
2201 | RETPUSHUNDEF; |
2202 | } |
c07a80fd |
2203 | SvREFCNT_dec(rs); |
2204 | rs = SvREFCNT_inc(nrs); |
a0d0e21e |
2205 | compiling.cop_line = 0; |
a0d0e21e |
2206 | SAVEFREEOP(eval_root); |
54310121 |
2207 | if (gimme & G_VOID) |
2208 | scalarvoid(eval_root); |
2209 | else if (gimme & G_ARRAY) |
a0d0e21e |
2210 | list(eval_root); |
2211 | else |
2212 | scalar(eval_root); |
2213 | |
2214 | DEBUG_x(dump_eval()); |
2215 | |
55497cff |
2216 | /* Register with debugger: */ |
84902520 |
2217 | if (PERLDB_INTER && saveop->op_type == OP_REQUIRE) { |
55497cff |
2218 | CV *cv = perl_get_cv("DB::postponed", FALSE); |
55497cff |
2219 | if (cv) { |
2220 | dSP; |
2221 | PUSHMARK(sp); |
2222 | XPUSHs((SV*)compiling.cop_filegv); |
2223 | PUTBACK; |
2224 | perl_call_sv((SV*)cv, G_DISCARD); |
2225 | } |
2226 | } |
2227 | |
a0d0e21e |
2228 | /* compiled okay, so do it */ |
2229 | |
4fdae800 |
2230 | CvDEPTH(compcv) = 1; |
1ce6579f |
2231 | SP = stack_base + POPMARK; /* pop original mark */ |
77fbf95b |
2232 | op = saveop; /* The caller may need it. */ |
b35b2403 |
2233 | #ifdef USE_THREADS |
11343788 |
2234 | MUTEX_LOCK(&eval_mutex); |
2235 | eval_owner = 0; |
2236 | COND_SIGNAL(&eval_cond); |
2237 | MUTEX_UNLOCK(&eval_mutex); |
b35b2403 |
2238 | #endif /* USE_THREADS */ |
5dc0d613 |
2239 | |
a0d0e21e |
2240 | RETURNOP(eval_start); |
2241 | } |
2242 | |
2243 | PP(pp_require) |
2244 | { |
4e35701f |
2245 | djSP; |
c09156bb |
2246 | register PERL_CONTEXT *cx; |
a0d0e21e |
2247 | SV *sv; |
2248 | char *name; |
46fc3d4c |
2249 | char *tryname; |
2250 | SV *namesv = Nullsv; |
a0d0e21e |
2251 | SV** svp; |
2252 | I32 gimme = G_SCALAR; |
760ac839 |
2253 | PerlIO *tryrsfp = 0; |
a0d0e21e |
2254 | |
2255 | sv = POPs; |
4633a7c4 |
2256 | if (SvNIOKp(sv) && !SvPOKp(sv)) { |
36477c24 |
2257 | SET_NUMERIC_STANDARD(); |
a5f75d66 |
2258 | if (atof(patchlevel) + 0.00000999 < SvNV(sv)) |
2259 | DIE("Perl %s required--this is only version %s, stopped", |
2260 | SvPV(sv,na),patchlevel); |
a0d0e21e |
2261 | RETPUSHYES; |
2262 | } |
2263 | name = SvPV(sv, na); |
2264 | if (!*name) |
2265 | DIE("Null filename used"); |
4633a7c4 |
2266 | TAINT_PROPER("require"); |
a0d0e21e |
2267 | if (op->op_type == OP_REQUIRE && |
2268 | (svp = hv_fetch(GvHVn(incgv), name, SvCUR(sv), 0)) && |
2269 | *svp != &sv_undef) |
2270 | RETPUSHYES; |
2271 | |
2272 | /* prepare to compile file */ |
2273 | |
46fc3d4c |
2274 | if (*name == '/' || |
2275 | (*name == '.' && |
2276 | (name[1] == '/' || |
2277 | (name[1] == '.' && name[2] == '/'))) |
4633a7c4 |
2278 | #ifdef DOSISH |
46fc3d4c |
2279 | || (name[0] && name[1] == ':') |
4633a7c4 |
2280 | #endif |
ba42ef2f |
2281 | #ifdef WIN32 |
2282 | || (name[0] == '\\' && name[1] == '\\') /* UNC path */ |
2283 | #endif |
748a9306 |
2284 | #ifdef VMS |
46fc3d4c |
2285 | || (strchr(name,':') || ((*name == '[' || *name == '<') && |
2286 | (isALNUM(name[1]) || strchr("$-_]>",name[1])))) |
748a9306 |
2287 | #endif |
2288 | ) |
a0d0e21e |
2289 | { |
46fc3d4c |
2290 | tryname = name; |
2291 | tryrsfp = PerlIO_open(name,"r"); |
a0d0e21e |
2292 | } |
2293 | else { |
2294 | AV *ar = GvAVn(incgv); |
2295 | I32 i; |
748a9306 |
2296 | #ifdef VMS |
46fc3d4c |
2297 | char *unixname; |
2298 | if ((unixname = tounixspec(name, Nullch)) != Nullch) |
2299 | #endif |
2300 | { |
2301 | namesv = NEWSV(806, 0); |
2302 | for (i = 0; i <= AvFILL(ar); i++) { |
2303 | char *dir = SvPVx(*av_fetch(ar, i, TRUE), na); |
2304 | #ifdef VMS |
2305 | char *unixdir; |
2306 | if ((unixdir = tounixpath(dir, Nullch)) == Nullch) |
2307 | continue; |
2308 | sv_setpv(namesv, unixdir); |
2309 | sv_catpv(namesv, unixname); |
748a9306 |
2310 | #else |
46fc3d4c |
2311 | sv_setpvf(namesv, "%s/%s", dir, name); |
748a9306 |
2312 | #endif |
46fc3d4c |
2313 | tryname = SvPVX(namesv); |
2314 | tryrsfp = PerlIO_open(tryname, "r"); |
2315 | if (tryrsfp) { |
2316 | if (tryname[0] == '.' && tryname[1] == '/') |
2317 | tryname += 2; |
2318 | break; |
2319 | } |
a0d0e21e |
2320 | } |
2321 | } |
2322 | } |
2323 | SAVESPTR(compiling.cop_filegv); |
46fc3d4c |
2324 | compiling.cop_filegv = gv_fetchfile(tryrsfp ? tryname : name); |
2325 | SvREFCNT_dec(namesv); |
a0d0e21e |
2326 | if (!tryrsfp) { |
2327 | if (op->op_type == OP_REQUIRE) { |
46fc3d4c |
2328 | SV *msg = sv_2mortal(newSVpvf("Can't locate %s in @INC", name)); |
2683423c |
2329 | SV *dirmsgsv = NEWSV(0, 0); |
2330 | AV *ar = GvAVn(incgv); |
2331 | I32 i; |
46fc3d4c |
2332 | if (instr(SvPVX(msg), ".h ")) |
2333 | sv_catpv(msg, " (change .h to .ph maybe?)"); |
2334 | if (instr(SvPVX(msg), ".ph ")) |
2335 | sv_catpv(msg, " (did you run h2ph?)"); |
3e3baf6d |
2336 | sv_catpv(msg, " (@INC contains:"); |
2683423c |
2337 | for (i = 0; i <= AvFILL(ar); i++) { |
2338 | char *dir = SvPVx(*av_fetch(ar, i, TRUE), na); |
3e3baf6d |
2339 | sv_setpvf(dirmsgsv, " %s", dir); |
2683423c |
2340 | sv_catsv(msg, dirmsgsv); |
2341 | } |
3e3baf6d |
2342 | sv_catpvn(msg, ")", 1); |
2683423c |
2343 | SvREFCNT_dec(dirmsgsv); |
fc36a67e |
2344 | DIE("%_", msg); |
a0d0e21e |
2345 | } |
2346 | |
2347 | RETPUSHUNDEF; |
2348 | } |
2349 | |
2350 | /* Assume success here to prevent recursive requirement. */ |
2351 | (void)hv_store(GvHVn(incgv), name, strlen(name), |
2352 | newSVsv(GvSV(compiling.cop_filegv)), 0 ); |
2353 | |
2354 | ENTER; |
2355 | SAVETMPS; |
2356 | lex_start(sv_2mortal(newSVpv("",0))); |
e50aee73 |
2357 | if (rsfp_filters){ |
2358 | save_aptr(&rsfp_filters); |
2359 | rsfp_filters = NULL; |
2360 | } |
2361 | |
a0d0e21e |
2362 | rsfp = tryrsfp; |
2363 | name = savepv(name); |
2364 | SAVEFREEPV(name); |
2365 | SAVEI32(hints); |
2366 | hints = 0; |
2367 | |
2368 | /* switch to eval mode */ |
2369 | |
2370 | push_return(op->op_next); |
2371 | PUSHBLOCK(cx, CXt_EVAL, SP); |
2372 | PUSHEVAL(cx, name, compiling.cop_filegv); |
2373 | |
2374 | compiling.cop_line = 0; |
2375 | |
2376 | PUTBACK; |
0f15f207 |
2377 | #ifdef USE_THREADS |
2378 | MUTEX_LOCK(&eval_mutex); |
2379 | if (eval_owner && eval_owner != thr) |
2380 | while (eval_owner) |
2381 | COND_WAIT(&eval_cond, &eval_mutex); |
2382 | eval_owner = thr; |
2383 | MUTEX_UNLOCK(&eval_mutex); |
2384 | #endif /* USE_THREADS */ |
1e422769 |
2385 | return DOCATCH(doeval(G_SCALAR)); |
a0d0e21e |
2386 | } |
2387 | |
2388 | PP(pp_dofile) |
2389 | { |
2390 | return pp_require(ARGS); |
2391 | } |
2392 | |
2393 | PP(pp_entereval) |
2394 | { |
4e35701f |
2395 | djSP; |
c09156bb |
2396 | register PERL_CONTEXT *cx; |
a0d0e21e |
2397 | dPOPss; |
54310121 |
2398 | I32 gimme = GIMME_V, was = sub_generation; |
fc36a67e |
2399 | char tmpbuf[TYPE_DIGITS(long) + 12]; |
2400 | char *safestr; |
a0d0e21e |
2401 | STRLEN len; |
55497cff |
2402 | OP *ret; |
a0d0e21e |
2403 | |
2404 | if (!SvPV(sv,len) || !len) |
2405 | RETPUSHUNDEF; |
748a9306 |
2406 | TAINT_PROPER("eval"); |
a0d0e21e |
2407 | |
2408 | ENTER; |
a0d0e21e |
2409 | lex_start(sv); |
748a9306 |
2410 | SAVETMPS; |
a0d0e21e |
2411 | |
2412 | /* switch to eval mode */ |
2413 | |
748a9306 |
2414 | SAVESPTR(compiling.cop_filegv); |
ff0cee69 |
2415 | sprintf(tmpbuf, "_<(eval %lu)", (unsigned long)++evalseq); |
a0d0e21e |
2416 | compiling.cop_filegv = gv_fetchfile(tmpbuf+2); |
2417 | compiling.cop_line = 1; |
55497cff |
2418 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
2419 | deleting the eval's FILEGV from the stash before gv_check() runs |
2420 | (i.e. before run-time proper). To work around the coredump that |
2421 | ensues, we always turn GvMULTI_on for any globals that were |
2422 | introduced within evals. See force_ident(). GSAR 96-10-12 */ |
2423 | safestr = savepv(tmpbuf); |
2424 | SAVEDELETE(defstash, safestr, strlen(safestr)); |
a0d0e21e |
2425 | SAVEI32(hints); |
2426 | hints = op->op_targ; |
2427 | |
2428 | push_return(op->op_next); |
2429 | PUSHBLOCK(cx, CXt_EVAL, SP); |
2430 | PUSHEVAL(cx, 0, compiling.cop_filegv); |
2431 | |
2432 | /* prepare to compile string */ |
2433 | |
08ea043f |
2434 | if (PERLDB_LINE && curstash != debstash) |
a0d0e21e |
2435 | save_lines(GvAV(compiling.cop_filegv), linestr); |
2436 | PUTBACK; |
0f15f207 |
2437 | #ifdef USE_THREADS |
2438 | MUTEX_LOCK(&eval_mutex); |
2439 | if (eval_owner && eval_owner != thr) |
2440 | while (eval_owner) |
2441 | COND_WAIT(&eval_cond, &eval_mutex); |
2442 | eval_owner = thr; |
2443 | MUTEX_UNLOCK(&eval_mutex); |
2444 | #endif /* USE_THREADS */ |
55497cff |
2445 | ret = doeval(gimme); |
08ea043f |
2446 | if (PERLDB_INTER && was != sub_generation /* Some subs defined here. */ |
e506e776 |
2447 | && ret != op->op_next) { /* Successive compilation. */ |
55497cff |
2448 | strcpy(safestr, "_<(eval )"); /* Anything fake and short. */ |
2449 | } |
1e422769 |
2450 | return DOCATCH(ret); |
a0d0e21e |
2451 | } |
2452 | |
2453 | PP(pp_leaveeval) |
2454 | { |
4e35701f |
2455 | djSP; |
a0d0e21e |
2456 | register SV **mark; |
2457 | SV **newsp; |
2458 | PMOP *newpm; |
2459 | I32 gimme; |
c09156bb |
2460 | register PERL_CONTEXT *cx; |
a0d0e21e |
2461 | OP *retop; |
760ac839 |
2462 | U8 save_flags = op -> op_flags; |
a0d0e21e |
2463 | I32 optype; |
2464 | |
2465 | POPBLOCK(cx,newpm); |
2466 | POPEVAL(cx); |
2467 | retop = pop_return(); |
2468 | |
a1f49e72 |
2469 | TAINT_NOT; |
54310121 |
2470 | if (gimme == G_VOID) |
2471 | MARK = newsp; |
2472 | else if (gimme == G_SCALAR) { |
2473 | MARK = newsp + 1; |
2474 | if (MARK <= SP) { |
2475 | if (SvFLAGS(TOPs) & SVs_TEMP) |
2476 | *MARK = TOPs; |
2477 | else |
2478 | *MARK = sv_mortalcopy(TOPs); |
2479 | } |
a0d0e21e |
2480 | else { |
54310121 |
2481 | MEXTEND(mark,0); |
2482 | *MARK = &sv_undef; |
a0d0e21e |
2483 | } |
a0d0e21e |
2484 | } |
2485 | else { |
a1f49e72 |
2486 | /* in case LEAVE wipes old return values */ |
2487 | for (mark = newsp + 1; mark <= SP; mark++) { |
2488 | if (!(SvFLAGS(*mark) & SVs_TEMP)) { |
a0d0e21e |
2489 | *mark = sv_mortalcopy(*mark); |
a1f49e72 |
2490 | TAINT_NOT; /* Each item is independent */ |
2491 | } |
2492 | } |
a0d0e21e |
2493 | } |
2494 | curpm = newpm; /* Don't pop $1 et al till now */ |
2495 | |
84902520 |
2496 | /* |
2497 | * Closures mentioned at top level of eval cannot be referenced |
2498 | * again, and their presence indirectly causes a memory leak. |
2499 | * (Note that the fact that compcv and friends are still set here |
2500 | * is, AFAIK, an accident.) --Chip |
2501 | */ |
2502 | if (AvFILL(comppad_name) >= 0) { |
2503 | SV **svp = AvARRAY(comppad_name); |
2504 | I32 ix; |
2505 | for (ix = AvFILL(comppad_name); ix >= 0; ix--) { |
2506 | SV *sv = svp[ix]; |
2507 | if (sv && sv != &sv_undef && *SvPVX(sv) == '&') { |
2508 | SvREFCNT_dec(sv); |
2509 | svp[ix] = &sv_undef; |
2510 | |
2511 | sv = curpad[ix]; |
2512 | if (CvCLONE(sv)) { |
2513 | SvREFCNT_dec(CvOUTSIDE(sv)); |
2514 | CvOUTSIDE(sv) = Nullcv; |
2515 | } |
2516 | else { |
2517 | SvREFCNT_dec(sv); |
2518 | sv = NEWSV(0,0); |
2519 | SvPADTMP_on(sv); |
2520 | curpad[ix] = sv; |
2521 | } |
2522 | } |
2523 | } |
2524 | } |
2525 | |
4fdae800 |
2526 | #ifdef DEBUGGING |
2527 | assert(CvDEPTH(compcv) == 1); |
2528 | #endif |
2529 | CvDEPTH(compcv) = 0; |
2530 | |
1ce6579f |
2531 | if (optype == OP_REQUIRE && |
54310121 |
2532 | !(gimme == G_SCALAR ? SvTRUE(*sp) : sp > newsp)) |
2533 | { |
1ce6579f |
2534 | /* Unassume the success we assumed earlier. */ |
54310121 |
2535 | char *name = cx->blk_eval.old_name; |
1ce6579f |
2536 | (void)hv_delete(GvHVn(incgv), name, strlen(name), G_DISCARD); |
2537 | retop = die("%s did not return a true value", name); |
a0d0e21e |
2538 | } |
2539 | |
2540 | lex_end(); |
2541 | LEAVE; |
4fdae800 |
2542 | |
760ac839 |
2543 | if (!(save_flags & OPf_SPECIAL)) |
38a03e6e |
2544 | sv_setpv(ERRSV,""); |
a0d0e21e |
2545 | |
2546 | RETURNOP(retop); |
2547 | } |
2548 | |
a0d0e21e |
2549 | PP(pp_entertry) |
2550 | { |
4e35701f |
2551 | djSP; |
c09156bb |
2552 | register PERL_CONTEXT *cx; |
54310121 |
2553 | I32 gimme = GIMME_V; |
a0d0e21e |
2554 | |
2555 | ENTER; |
2556 | SAVETMPS; |
2557 | |
2558 | push_return(cLOGOP->op_other->op_next); |
2559 | PUSHBLOCK(cx, CXt_EVAL, SP); |
2560 | PUSHEVAL(cx, 0, 0); |
2561 | eval_root = op; /* Only needed so that goto works right. */ |
2562 | |
2563 | in_eval = 1; |
38a03e6e |
2564 | sv_setpv(ERRSV,""); |
1e422769 |
2565 | PUTBACK; |
2566 | return DOCATCH(op->op_next); |
a0d0e21e |
2567 | } |
2568 | |
2569 | PP(pp_leavetry) |
2570 | { |
4e35701f |
2571 | djSP; |
a0d0e21e |
2572 | register SV **mark; |
2573 | SV **newsp; |
2574 | PMOP *newpm; |
2575 | I32 gimme; |
c09156bb |
2576 | register PERL_CONTEXT *cx; |
a0d0e21e |
2577 | I32 optype; |
2578 | |
2579 | POPBLOCK(cx,newpm); |
2580 | POPEVAL(cx); |
2581 | pop_return(); |
2582 | |
a1f49e72 |
2583 | TAINT_NOT; |
54310121 |
2584 | if (gimme == G_VOID) |
2585 | SP = newsp; |
2586 | else if (gimme == G_SCALAR) { |
2587 | MARK = newsp + 1; |
2588 | if (MARK <= SP) { |
2589 | if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP)) |
2590 | *MARK = TOPs; |
2591 | else |
2592 | *MARK = sv_mortalcopy(TOPs); |
2593 | } |
a0d0e21e |
2594 | else { |
54310121 |
2595 | MEXTEND(mark,0); |
2596 | *MARK = &sv_undef; |
a0d0e21e |
2597 | } |
2598 | SP = MARK; |
2599 | } |
2600 | else { |
a1f49e72 |
2601 | /* in case LEAVE wipes old return values */ |
2602 | for (mark = newsp + 1; mark <= SP; mark++) { |
2603 | if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) { |
a0d0e21e |
2604 | *mark = sv_mortalcopy(*mark); |
a1f49e72 |
2605 | TAINT_NOT; /* Each item is independent */ |
2606 | } |
2607 | } |
a0d0e21e |
2608 | } |
2609 | curpm = newpm; /* Don't pop $1 et al till now */ |
2610 | |
2611 | LEAVE; |
38a03e6e |
2612 | sv_setpv(ERRSV,""); |
a0d0e21e |
2613 | RETURN; |
2614 | } |
2615 | |
2616 | static void |
8ac85365 |
2617 | doparseform(SV *sv) |
a0d0e21e |
2618 | { |
2619 | STRLEN len; |
2620 | register char *s = SvPV_force(sv, len); |
2621 | register char *send = s + len; |
2622 | register char *base; |
2623 | register I32 skipspaces = 0; |
2624 | bool noblank; |
2625 | bool repeat; |
2626 | bool postspace = FALSE; |
2627 | U16 *fops; |
2628 | register U16 *fpc; |
2629 | U16 *linepc; |
2630 | register I32 arg; |
2631 | bool ischop; |
2632 | |
55497cff |
2633 | if (len == 0) |
bbce6d69 |
2634 | croak("Null picture in formline"); |
55497cff |
2635 | |
2636 | New(804, fops, (send - s)*3+10, U16); /* Almost certainly too long... */ |
a0d0e21e |
2637 | fpc = fops; |
2638 | |
2639 | if (s < send) { |
2640 | linepc = fpc; |
2641 | *fpc++ = FF_LINEMARK; |
2642 | noblank = repeat = FALSE; |
2643 | base = s; |
2644 | } |
2645 | |
2646 | while (s <= send) { |
2647 | switch (*s++) { |
2648 | default: |
2649 | skipspaces = 0; |
2650 | continue; |
2651 | |
2652 | case '~': |
2653 | if (*s == '~') { |
2654 | repeat = TRUE; |
2655 | *s = ' '; |
2656 | } |
2657 | noblank = TRUE; |
2658 | s[-1] = ' '; |
2659 | /* FALL THROUGH */ |
2660 | case ' ': case '\t': |
2661 | skipspaces++; |
2662 | continue; |
2663 | |
2664 | case '\n': case 0: |
2665 | arg = s - base; |
2666 | skipspaces++; |
2667 | arg -= skipspaces; |
2668 | if (arg) { |
5f05dabc |
2669 | if (postspace) |
a0d0e21e |
2670 | *fpc++ = FF_SPACE; |
a0d0e21e |
2671 | *fpc++ = FF_LITERAL; |
2672 | *fpc++ = arg; |
2673 | } |
5f05dabc |
2674 | postspace = FALSE; |
a0d0e21e |
2675 | if (s <= send) |
2676 | skipspaces--; |
2677 | if (skipspaces) { |
2678 | *fpc++ = FF_SKIP; |
2679 | *fpc++ = skipspaces; |
2680 | } |
2681 | skipspaces = 0; |
2682 | if (s <= send) |
2683 | *fpc++ = FF_NEWLINE; |
2684 | if (noblank) { |
2685 | *fpc++ = FF_BLANK; |
2686 | if (repeat) |
2687 | arg = fpc - linepc + 1; |
2688 | else |
2689 | arg = 0; |
2690 | *fpc++ = arg; |
2691 | } |
2692 | if (s < send) { |
2693 | linepc = fpc; |
2694 | *fpc++ = FF_LINEMARK; |
2695 | noblank = repeat = FALSE; |
2696 | base = s; |
2697 | } |
2698 | else |
2699 | s++; |
2700 | continue; |
2701 | |
2702 | case '@': |
2703 | case '^': |
2704 | ischop = s[-1] == '^'; |
2705 | |
2706 | if (postspace) { |
2707 | *fpc++ = FF_SPACE; |
2708 | postspace = FALSE; |
2709 | } |
2710 | arg = (s - base) - 1; |
2711 | if (arg) { |
2712 | *fpc++ = FF_LITERAL; |
2713 | *fpc++ = arg; |
2714 | } |
2715 | |
2716 | base = s - 1; |
2717 | *fpc++ = FF_FETCH; |
2718 | if (*s == '*') { |
2719 | s++; |
2720 | *fpc++ = 0; |
2721 | *fpc++ = FF_LINEGLOB; |
2722 | } |
2723 | else if (*s == '#' || (*s == '.' && s[1] == '#')) { |
2724 | arg = ischop ? 512 : 0; |
2725 | base = s - 1; |
2726 | while (*s == '#') |
2727 | s++; |
2728 | if (*s == '.') { |
2729 | char *f; |
2730 | s++; |
2731 | f = s; |
2732 | while (*s == '#') |
2733 | s++; |
2734 | arg |= 256 + (s - f); |
2735 | } |
2736 | *fpc++ = s - base; /* fieldsize for FETCH */ |
2737 | *fpc++ = FF_DECIMAL; |
2738 | *fpc++ = arg; |
2739 | } |
2740 | else { |
2741 | I32 prespace = 0; |
2742 | bool ismore = FALSE; |
2743 | |
2744 | if (*s == '>') { |
2745 | while (*++s == '>') ; |
2746 | prespace = FF_SPACE; |
2747 | } |
2748 | else if (*s == '|') { |
2749 | while (*++s == '|') ; |
2750 | prespace = FF_HALFSPACE; |
2751 | postspace = TRUE; |
2752 | } |
2753 | else { |
2754 | if (*s == '<') |
2755 | while (*++s == '<') ; |
2756 | postspace = TRUE; |
2757 | } |
2758 | if (*s == '.' && s[1] == '.' && s[2] == '.') { |
2759 | s += 3; |
2760 | ismore = TRUE; |
2761 | } |
2762 | *fpc++ = s - base; /* fieldsize for FETCH */ |
2763 | |
2764 | *fpc++ = ischop ? FF_CHECKCHOP : FF_CHECKNL; |
2765 | |
2766 | if (prespace) |
2767 | *fpc++ = prespace; |
2768 | *fpc++ = FF_ITEM; |
2769 | if (ismore) |
2770 | *fpc++ = FF_MORE; |
2771 | if (ischop) |
2772 | *fpc++ = FF_CHOP; |
2773 | } |
2774 | base = s; |
2775 | skipspaces = 0; |
2776 | continue; |
2777 | } |
2778 | } |
2779 | *fpc++ = FF_END; |
2780 | |
2781 | arg = fpc - fops; |
2782 | { /* need to jump to the next word */ |
2783 | int z; |
2784 | z = WORD_ALIGN - SvCUR(sv) % WORD_ALIGN; |
2785 | SvGROW(sv, SvCUR(sv) + z + arg * sizeof(U16) + 4); |
2786 | s = SvPVX(sv) + SvCUR(sv) + z; |
2787 | } |
2788 | Copy(fops, s, arg, U16); |
2789 | Safefree(fops); |
55497cff |
2790 | sv_magic(sv, Nullsv, 'f', Nullch, 0); |
a0d0e21e |
2791 | SvCOMPILED_on(sv); |
2792 | } |
4e35701f |
2793 | |