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 | { |
45 | dSP; |
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) { |
69 | dSP; |
70 | register PMOP *pm = (PMOP*)cLOGOP->op_other; |
71 | register char *t; |
72 | SV *tmpstr; |
73 | STRLEN len; |
74 | |
75 | tmpstr = POPs; |
76 | t = SvPV(tmpstr, len); |
77 | |
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 | { |
106 | dSP; |
107 | register PMOP *pm = (PMOP*) cLOGOP->op_other; |
108 | register CONTEXT *cx = &cxstack[cxstack_ix]; |
109 | register SV *dstr = cx->sb_dstr; |
110 | register char *s = cx->sb_s; |
111 | register char *m = cx->sb_m; |
112 | char *orig = cx->sb_orig; |
c07a80fd |
113 | register REGEXP *rx = cx->sb_rx; |
a0d0e21e |
114 | |
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 |
167 | rxres_save(rsp, rx) |
168 | void **rsp; |
169 | REGEXP *rx; |
170 | { |
171 | UV *p = (UV*)*rsp; |
172 | U32 i; |
173 | |
174 | if (!p || p[1] < rx->nparens) { |
175 | i = 6 + rx->nparens * 2; |
176 | if (!p) |
177 | New(501, p, i, UV); |
178 | else |
179 | Renew(p, i, UV); |
180 | *rsp = (void*)p; |
181 | } |
182 | |
183 | *p++ = (UV)rx->subbase; |
184 | rx->subbase = Nullch; |
185 | |
186 | *p++ = rx->nparens; |
187 | |
188 | *p++ = (UV)rx->subbeg; |
189 | *p++ = (UV)rx->subend; |
190 | for (i = 0; i <= rx->nparens; ++i) { |
191 | *p++ = (UV)rx->startp[i]; |
192 | *p++ = (UV)rx->endp[i]; |
193 | } |
194 | } |
195 | |
196 | void |
197 | rxres_restore(rsp, rx) |
198 | void **rsp; |
199 | REGEXP *rx; |
200 | { |
201 | UV *p = (UV*)*rsp; |
202 | U32 i; |
203 | |
204 | Safefree(rx->subbase); |
205 | rx->subbase = (char*)(*p); |
206 | *p++ = 0; |
207 | |
208 | rx->nparens = *p++; |
209 | |
210 | rx->subbeg = (char*)(*p++); |
211 | rx->subend = (char*)(*p++); |
212 | for (i = 0; i <= rx->nparens; ++i) { |
213 | rx->startp[i] = (char*)(*p++); |
214 | rx->endp[i] = (char*)(*p++); |
215 | } |
216 | } |
217 | |
218 | void |
219 | rxres_free(rsp) |
220 | void **rsp; |
221 | { |
222 | UV *p = (UV*)*rsp; |
223 | |
224 | if (p) { |
225 | Safefree((char*)(*p)); |
226 | Safefree(p); |
227 | *rsp = Null(void*); |
228 | } |
229 | } |
230 | |
a0d0e21e |
231 | PP(pp_formline) |
232 | { |
233 | dSP; dMARK; dORIGMARK; |
234 | register SV *form = *++MARK; |
235 | register U16 *fpc; |
236 | register char *t; |
237 | register char *f; |
238 | register char *s; |
239 | register char *send; |
240 | register I32 arg; |
241 | register SV *sv; |
242 | char *item; |
243 | I32 itemsize; |
244 | I32 fieldsize; |
245 | I32 lines = 0; |
246 | bool chopspace = (strchr(chopset, ' ') != Nullch); |
247 | char *chophere; |
248 | char *linemark; |
a0d0e21e |
249 | double value; |
250 | bool gotsome; |
251 | STRLEN len; |
252 | |
55497cff |
253 | if (!SvMAGICAL(form) || !SvCOMPILED(form)) { |
a0d0e21e |
254 | SvREADONLY_off(form); |
255 | doparseform(form); |
256 | } |
257 | |
258 | SvPV_force(formtarget, len); |
259 | t = SvGROW(formtarget, len + SvCUR(form) + 1); /* XXX SvCUR bad */ |
260 | t += len; |
261 | f = SvPV(form, len); |
262 | /* need to jump to the next word */ |
263 | s = f + len + WORD_ALIGN - SvCUR(form) % WORD_ALIGN; |
264 | |
265 | fpc = (U16*)s; |
266 | |
267 | for (;;) { |
268 | DEBUG_f( { |
269 | char *name = "???"; |
270 | arg = -1; |
271 | switch (*fpc) { |
272 | case FF_LITERAL: arg = fpc[1]; name = "LITERAL"; break; |
273 | case FF_BLANK: arg = fpc[1]; name = "BLANK"; break; |
274 | case FF_SKIP: arg = fpc[1]; name = "SKIP"; break; |
275 | case FF_FETCH: arg = fpc[1]; name = "FETCH"; break; |
276 | case FF_DECIMAL: arg = fpc[1]; name = "DECIMAL"; break; |
277 | |
278 | case FF_CHECKNL: name = "CHECKNL"; break; |
279 | case FF_CHECKCHOP: name = "CHECKCHOP"; break; |
280 | case FF_SPACE: name = "SPACE"; break; |
281 | case FF_HALFSPACE: name = "HALFSPACE"; break; |
282 | case FF_ITEM: name = "ITEM"; break; |
283 | case FF_CHOP: name = "CHOP"; break; |
284 | case FF_LINEGLOB: name = "LINEGLOB"; break; |
285 | case FF_NEWLINE: name = "NEWLINE"; break; |
286 | case FF_MORE: name = "MORE"; break; |
287 | case FF_LINEMARK: name = "LINEMARK"; break; |
288 | case FF_END: name = "END"; break; |
289 | } |
290 | if (arg >= 0) |
760ac839 |
291 | PerlIO_printf(PerlIO_stderr(), "%-16s%ld\n", name, (long) arg); |
a0d0e21e |
292 | else |
760ac839 |
293 | PerlIO_printf(PerlIO_stderr(), "%-16s\n", name); |
a0d0e21e |
294 | } ) |
295 | switch (*fpc++) { |
296 | case FF_LINEMARK: |
297 | linemark = t; |
a0d0e21e |
298 | lines++; |
299 | gotsome = FALSE; |
300 | break; |
301 | |
302 | case FF_LITERAL: |
303 | arg = *fpc++; |
304 | while (arg--) |
305 | *t++ = *f++; |
306 | break; |
307 | |
308 | case FF_SKIP: |
309 | f += *fpc++; |
310 | break; |
311 | |
312 | case FF_FETCH: |
313 | arg = *fpc++; |
314 | f += arg; |
315 | fieldsize = arg; |
316 | |
317 | if (MARK < SP) |
318 | sv = *++MARK; |
319 | else { |
320 | sv = &sv_no; |
321 | if (dowarn) |
322 | warn("Not enough format arguments"); |
323 | } |
324 | break; |
325 | |
326 | case FF_CHECKNL: |
327 | item = s = SvPV(sv, len); |
328 | itemsize = len; |
329 | if (itemsize > fieldsize) |
330 | itemsize = fieldsize; |
331 | send = chophere = s + itemsize; |
332 | while (s < send) { |
333 | if (*s & ~31) |
334 | gotsome = TRUE; |
335 | else if (*s == '\n') |
336 | break; |
337 | s++; |
338 | } |
339 | itemsize = s - item; |
340 | break; |
341 | |
342 | case FF_CHECKCHOP: |
343 | item = s = SvPV(sv, len); |
344 | itemsize = len; |
345 | if (itemsize <= fieldsize) { |
346 | send = chophere = s + itemsize; |
347 | while (s < send) { |
348 | if (*s == '\r') { |
349 | itemsize = s - item; |
350 | break; |
351 | } |
352 | if (*s++ & ~31) |
353 | gotsome = TRUE; |
354 | } |
355 | } |
356 | else { |
357 | itemsize = fieldsize; |
358 | send = chophere = s + itemsize; |
359 | while (s < send || (s == send && isSPACE(*s))) { |
360 | if (isSPACE(*s)) { |
361 | if (chopspace) |
362 | chophere = s; |
363 | if (*s == '\r') |
364 | break; |
365 | } |
366 | else { |
367 | if (*s & ~31) |
368 | gotsome = TRUE; |
369 | if (strchr(chopset, *s)) |
370 | chophere = s + 1; |
371 | } |
372 | s++; |
373 | } |
374 | itemsize = chophere - item; |
375 | } |
376 | break; |
377 | |
378 | case FF_SPACE: |
379 | arg = fieldsize - itemsize; |
380 | if (arg) { |
381 | fieldsize -= arg; |
382 | while (arg-- > 0) |
383 | *t++ = ' '; |
384 | } |
385 | break; |
386 | |
387 | case FF_HALFSPACE: |
388 | arg = fieldsize - itemsize; |
389 | if (arg) { |
390 | arg /= 2; |
391 | fieldsize -= arg; |
392 | while (arg-- > 0) |
393 | *t++ = ' '; |
394 | } |
395 | break; |
396 | |
397 | case FF_ITEM: |
398 | arg = itemsize; |
399 | s = item; |
400 | while (arg--) { |
401 | #if 'z' - 'a' != 25 |
402 | int ch = *t++ = *s++; |
403 | if (!iscntrl(ch)) |
404 | t[-1] = ' '; |
405 | #else |
406 | if ( !((*t++ = *s++) & ~31) ) |
407 | t[-1] = ' '; |
408 | #endif |
409 | |
410 | } |
411 | break; |
412 | |
413 | case FF_CHOP: |
414 | s = chophere; |
415 | if (chopspace) { |
416 | while (*s && isSPACE(*s)) |
417 | s++; |
418 | } |
419 | sv_chop(sv,s); |
420 | break; |
421 | |
422 | case FF_LINEGLOB: |
423 | item = s = SvPV(sv, len); |
424 | itemsize = len; |
425 | if (itemsize) { |
426 | gotsome = TRUE; |
427 | send = s + itemsize; |
428 | while (s < send) { |
429 | if (*s++ == '\n') { |
430 | if (s == send) |
431 | itemsize--; |
432 | else |
433 | lines++; |
434 | } |
435 | } |
436 | SvCUR_set(formtarget, t - SvPVX(formtarget)); |
437 | sv_catpvn(formtarget, item, itemsize); |
438 | SvGROW(formtarget, SvCUR(formtarget) + SvCUR(form) + 1); |
439 | t = SvPVX(formtarget) + SvCUR(formtarget); |
440 | } |
441 | break; |
442 | |
443 | case FF_DECIMAL: |
444 | /* If the field is marked with ^ and the value is undefined, |
445 | blank it out. */ |
446 | arg = *fpc++; |
447 | if ((arg & 512) && !SvOK(sv)) { |
448 | arg = fieldsize; |
449 | while (arg--) |
450 | *t++ = ' '; |
451 | break; |
452 | } |
453 | gotsome = TRUE; |
454 | value = SvNV(sv); |
bbce6d69 |
455 | /* Formats aren't yet marked for locales, so assume "yes". */ |
36477c24 |
456 | SET_NUMERIC_LOCAL(); |
a0d0e21e |
457 | if (arg & 256) { |
458 | sprintf(t, "%#*.*f", (int) fieldsize, (int) arg & 255, value); |
459 | } else { |
460 | sprintf(t, "%*.0f", (int) fieldsize, value); |
461 | } |
462 | t += fieldsize; |
463 | break; |
464 | |
465 | case FF_NEWLINE: |
466 | f++; |
467 | while (t-- > linemark && *t == ' ') ; |
468 | t++; |
469 | *t++ = '\n'; |
470 | break; |
471 | |
472 | case FF_BLANK: |
473 | arg = *fpc++; |
474 | if (gotsome) { |
475 | if (arg) { /* repeat until fields exhausted? */ |
476 | *t = '\0'; |
477 | SvCUR_set(formtarget, t - SvPVX(formtarget)); |
478 | lines += FmLINES(formtarget); |
479 | if (lines == 200) { |
480 | arg = t - linemark; |
481 | if (strnEQ(linemark, linemark - arg, arg)) |
482 | DIE("Runaway format"); |
483 | } |
484 | FmLINES(formtarget) = lines; |
485 | SP = ORIGMARK; |
486 | RETURNOP(cLISTOP->op_first); |
487 | } |
488 | } |
489 | else { |
490 | t = linemark; |
491 | lines--; |
492 | } |
493 | break; |
494 | |
495 | case FF_MORE: |
496 | if (itemsize) { |
497 | arg = fieldsize - itemsize; |
498 | if (arg) { |
499 | fieldsize -= arg; |
500 | while (arg-- > 0) |
501 | *t++ = ' '; |
502 | } |
503 | s = t - 3; |
504 | if (strnEQ(s," ",3)) { |
505 | while (s > SvPVX(formtarget) && isSPACE(s[-1])) |
506 | s--; |
507 | } |
508 | *s++ = '.'; |
509 | *s++ = '.'; |
510 | *s++ = '.'; |
511 | } |
512 | break; |
513 | |
514 | case FF_END: |
515 | *t = '\0'; |
516 | SvCUR_set(formtarget, t - SvPVX(formtarget)); |
517 | FmLINES(formtarget) += lines; |
518 | SP = ORIGMARK; |
519 | RETPUSHYES; |
520 | } |
521 | } |
522 | } |
523 | |
524 | PP(pp_grepstart) |
525 | { |
526 | dSP; |
527 | SV *src; |
528 | |
529 | if (stack_base + *markstack_ptr == sp) { |
530 | (void)POPMARK; |
54310121 |
531 | if (GIMME_V == G_SCALAR) |
a0d0e21e |
532 | XPUSHs(&sv_no); |
533 | RETURNOP(op->op_next->op_next); |
534 | } |
535 | stack_sp = stack_base + *markstack_ptr + 1; |
11343788 |
536 | pp_pushmark(ARGS); /* push dst */ |
537 | pp_pushmark(ARGS); /* push src */ |
a0d0e21e |
538 | ENTER; /* enter outer scope */ |
539 | |
540 | SAVETMPS; |
541 | SAVESPTR(GvSV(defgv)); |
542 | |
543 | ENTER; /* enter inner scope */ |
544 | SAVESPTR(curpm); |
545 | |
546 | src = stack_base[*markstack_ptr]; |
547 | SvTEMP_off(src); |
548 | GvSV(defgv) = src; |
549 | |
550 | PUTBACK; |
551 | if (op->op_type == OP_MAPSTART) |
11343788 |
552 | pp_pushmark(ARGS); /* push top */ |
a0d0e21e |
553 | return ((LOGOP*)op->op_next)->op_other; |
554 | } |
555 | |
556 | PP(pp_mapstart) |
557 | { |
558 | DIE("panic: mapstart"); /* uses grepstart */ |
559 | } |
560 | |
561 | PP(pp_mapwhile) |
562 | { |
563 | dSP; |
564 | I32 diff = (sp - stack_base) - *markstack_ptr; |
565 | I32 count; |
566 | I32 shift; |
567 | SV** src; |
568 | SV** dst; |
569 | |
570 | ++markstack_ptr[-1]; |
571 | if (diff) { |
572 | if (diff > markstack_ptr[-1] - markstack_ptr[-2]) { |
573 | shift = diff - (markstack_ptr[-1] - markstack_ptr[-2]); |
574 | count = (sp - stack_base) - markstack_ptr[-1] + 2; |
575 | |
576 | EXTEND(sp,shift); |
577 | src = sp; |
578 | dst = (sp += shift); |
579 | markstack_ptr[-1] += shift; |
580 | *markstack_ptr += shift; |
581 | while (--count) |
582 | *dst-- = *src--; |
583 | } |
584 | dst = stack_base + (markstack_ptr[-2] += diff) - 1; |
585 | ++diff; |
586 | while (--diff) |
587 | *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs); |
588 | } |
589 | LEAVE; /* exit inner scope */ |
590 | |
591 | /* All done yet? */ |
592 | if (markstack_ptr[-1] > *markstack_ptr) { |
593 | I32 items; |
54310121 |
594 | I32 gimme = GIMME_V; |
a0d0e21e |
595 | |
596 | (void)POPMARK; /* pop top */ |
597 | LEAVE; /* exit outer scope */ |
598 | (void)POPMARK; /* pop src */ |
599 | items = --*markstack_ptr - markstack_ptr[-1]; |
600 | (void)POPMARK; /* pop dst */ |
601 | SP = stack_base + POPMARK; /* pop original mark */ |
54310121 |
602 | if (gimme == G_SCALAR) { |
a0d0e21e |
603 | dTARGET; |
604 | XPUSHi(items); |
a0d0e21e |
605 | } |
54310121 |
606 | else if (gimme == G_ARRAY) |
607 | SP += items; |
a0d0e21e |
608 | RETURN; |
609 | } |
610 | else { |
611 | SV *src; |
612 | |
613 | ENTER; /* enter inner scope */ |
614 | SAVESPTR(curpm); |
615 | |
616 | src = stack_base[markstack_ptr[-1]]; |
617 | SvTEMP_off(src); |
618 | GvSV(defgv) = src; |
619 | |
620 | RETURNOP(cLOGOP->op_other); |
621 | } |
622 | } |
623 | |
624 | |
625 | PP(pp_sort) |
626 | { |
627 | dSP; dMARK; dORIGMARK; |
628 | register SV **up; |
629 | SV **myorigmark = ORIGMARK; |
630 | register I32 max; |
631 | HV *stash; |
632 | GV *gv; |
633 | CV *cv; |
634 | I32 gimme = GIMME; |
635 | OP* nextop = op->op_next; |
636 | |
637 | if (gimme != G_ARRAY) { |
638 | SP = MARK; |
639 | RETPUSHUNDEF; |
640 | } |
641 | |
642 | if (op->op_flags & OPf_STACKED) { |
643 | ENTER; |
644 | if (op->op_flags & OPf_SPECIAL) { |
645 | OP *kid = cLISTOP->op_first->op_sibling; /* pass pushmark */ |
646 | kid = kUNOP->op_first; /* pass rv2gv */ |
647 | kid = kUNOP->op_first; /* pass leave */ |
648 | sortcop = kid->op_next; |
649 | stash = curcop->cop_stash; |
650 | } |
651 | else { |
652 | cv = sv_2cv(*++MARK, &stash, &gv, 0); |
653 | if (!(cv && CvROOT(cv))) { |
654 | if (gv) { |
655 | SV *tmpstr = sv_newmortal(); |
e5cf08de |
656 | gv_efullname3(tmpstr, gv, Nullch); |
a0d0e21e |
657 | if (cv && CvXSUB(cv)) |
658 | DIE("Xsub \"%s\" called in sort", SvPVX(tmpstr)); |
659 | DIE("Undefined sort subroutine \"%s\" called", |
660 | SvPVX(tmpstr)); |
661 | } |
662 | if (cv) { |
663 | if (CvXSUB(cv)) |
664 | DIE("Xsub called in sort"); |
665 | DIE("Undefined subroutine in sort"); |
666 | } |
667 | DIE("Not a CODE reference in sort"); |
668 | } |
669 | sortcop = CvSTART(cv); |
670 | SAVESPTR(CvROOT(cv)->op_ppaddr); |
671 | CvROOT(cv)->op_ppaddr = ppaddr[OP_NULL]; |
b3933176 |
672 | |
a0d0e21e |
673 | SAVESPTR(curpad); |
674 | curpad = AvARRAY((AV*)AvARRAY(CvPADLIST(cv))[1]); |
675 | } |
676 | } |
677 | else { |
678 | sortcop = Nullop; |
679 | stash = curcop->cop_stash; |
680 | } |
681 | |
682 | up = myorigmark + 1; |
683 | while (MARK < SP) { /* This may or may not shift down one here. */ |
684 | /*SUPPRESS 560*/ |
685 | if (*up = *++MARK) { /* Weed out nulls. */ |
9f8d30d5 |
686 | SvTEMP_off(*up); |
687 | if (!sortcop && !SvPOK(*up)) |
a0d0e21e |
688 | (void)sv_2pv(*up, &na); |
a0d0e21e |
689 | up++; |
690 | } |
691 | } |
692 | max = --up - myorigmark; |
693 | if (sortcop) { |
694 | if (max > 1) { |
695 | AV *oldstack; |
696 | CONTEXT *cx; |
697 | SV** newsp; |
54310121 |
698 | bool oldcatch = CATCH_GET; |
a0d0e21e |
699 | |
700 | SAVETMPS; |
462e5cf6 |
701 | SAVEOP(); |
a0d0e21e |
702 | |
1ce6579f |
703 | oldstack = curstack; |
a0d0e21e |
704 | if (!sortstack) { |
705 | sortstack = newAV(); |
706 | AvREAL_off(sortstack); |
707 | av_extend(sortstack, 32); |
708 | } |
54310121 |
709 | CATCH_SET(TRUE); |
1ce6579f |
710 | SWITCHSTACK(curstack, sortstack); |
a0d0e21e |
711 | if (sortstash != stash) { |
712 | firstgv = gv_fetchpv("a", TRUE, SVt_PV); |
713 | secondgv = gv_fetchpv("b", TRUE, SVt_PV); |
714 | sortstash = stash; |
715 | } |
716 | |
717 | SAVESPTR(GvSV(firstgv)); |
718 | SAVESPTR(GvSV(secondgv)); |
b3933176 |
719 | |
0a753a76 |
720 | PUSHBLOCK(cx, CXt_NULL, stack_base); |
b3933176 |
721 | if (!(op->op_flags & OPf_SPECIAL)) { |
722 | bool hasargs = FALSE; |
723 | cx->cx_type = CXt_SUB; |
724 | cx->blk_gimme = G_SCALAR; |
725 | PUSHSUB(cx); |
726 | if (!CvDEPTH(cv)) |
727 | SvREFCNT_inc(cv); /* in preparation for POPSUB */ |
728 | } |
a0d0e21e |
729 | sortcxix = cxstack_ix; |
730 | |
731 | qsort((char*)(myorigmark+1), max, sizeof(SV*), sortcv); |
732 | |
733 | POPBLOCK(cx,curpm); |
734 | SWITCHSTACK(sortstack, oldstack); |
54310121 |
735 | CATCH_SET(oldcatch); |
a0d0e21e |
736 | } |
737 | LEAVE; |
738 | } |
739 | else { |
740 | if (max > 1) { |
741 | MEXTEND(SP, 20); /* Can't afford stack realloc on signal. */ |
bbce6d69 |
742 | qsort((char*)(ORIGMARK+1), max, sizeof(SV*), |
743 | (op->op_private & OPpLOCALE) ? sortcmp_locale : sortcmp); |
a0d0e21e |
744 | } |
745 | } |
746 | stack_sp = ORIGMARK + max; |
747 | return nextop; |
748 | } |
749 | |
750 | /* Range stuff. */ |
751 | |
752 | PP(pp_range) |
753 | { |
754 | if (GIMME == G_ARRAY) |
755 | return cCONDOP->op_true; |
756 | return SvTRUEx(PAD_SV(op->op_targ)) ? cCONDOP->op_false : cCONDOP->op_true; |
757 | } |
758 | |
759 | PP(pp_flip) |
760 | { |
761 | dSP; |
762 | |
763 | if (GIMME == G_ARRAY) { |
764 | RETURNOP(((CONDOP*)cUNOP->op_first)->op_false); |
765 | } |
766 | else { |
767 | dTOPss; |
768 | SV *targ = PAD_SV(op->op_targ); |
769 | |
770 | if ((op->op_private & OPpFLIP_LINENUM) |
771 | ? last_in_gv && SvIV(sv) == IoLINES(GvIOp(last_in_gv)) |
772 | : SvTRUE(sv) ) { |
773 | sv_setiv(PAD_SV(cUNOP->op_first->op_targ), 1); |
774 | if (op->op_flags & OPf_SPECIAL) { |
775 | sv_setiv(targ, 1); |
776 | RETURN; |
777 | } |
778 | else { |
779 | sv_setiv(targ, 0); |
780 | sp--; |
781 | RETURNOP(((CONDOP*)cUNOP->op_first)->op_false); |
782 | } |
783 | } |
784 | sv_setpv(TARG, ""); |
785 | SETs(targ); |
786 | RETURN; |
787 | } |
788 | } |
789 | |
790 | PP(pp_flop) |
791 | { |
792 | dSP; |
793 | |
794 | if (GIMME == G_ARRAY) { |
795 | dPOPPOPssrl; |
796 | register I32 i; |
797 | register SV *sv; |
798 | I32 max; |
799 | |
4633a7c4 |
800 | if (SvNIOKp(left) || !SvPOKp(left) || |
bbce6d69 |
801 | (looks_like_number(left) && *SvPVX(left) != '0') ) |
802 | { |
a0d0e21e |
803 | i = SvIV(left); |
804 | max = SvIV(right); |
bbce6d69 |
805 | if (max >= i) { |
806 | EXTEND_MORTAL(max - i + 1); |
a0d0e21e |
807 | EXTEND(SP, max - i + 1); |
bbce6d69 |
808 | } |
a0d0e21e |
809 | while (i <= max) { |
bbce6d69 |
810 | sv = sv_2mortal(newSViv(i++)); |
a0d0e21e |
811 | PUSHs(sv); |
812 | } |
813 | } |
814 | else { |
815 | SV *final = sv_mortalcopy(right); |
816 | STRLEN len; |
817 | char *tmps = SvPV(final, len); |
818 | |
819 | sv = sv_mortalcopy(left); |
4633a7c4 |
820 | while (!SvNIOKp(sv) && SvCUR(sv) <= len && |
a0d0e21e |
821 | strNE(SvPVX(sv),tmps) ) { |
822 | XPUSHs(sv); |
823 | sv = sv_2mortal(newSVsv(sv)); |
824 | sv_inc(sv); |
825 | } |
826 | if (strEQ(SvPVX(sv),tmps)) |
827 | XPUSHs(sv); |
828 | } |
829 | } |
830 | else { |
831 | dTOPss; |
832 | SV *targ = PAD_SV(cUNOP->op_first->op_targ); |
833 | sv_inc(targ); |
834 | if ((op->op_private & OPpFLIP_LINENUM) |
835 | ? last_in_gv && SvIV(sv) == IoLINES(GvIOp(last_in_gv)) |
836 | : SvTRUE(sv) ) { |
837 | sv_setiv(PAD_SV(((UNOP*)cUNOP->op_first)->op_first->op_targ), 0); |
838 | sv_catpv(targ, "E0"); |
839 | } |
840 | SETs(targ); |
841 | } |
842 | |
843 | RETURN; |
844 | } |
845 | |
846 | /* Control. */ |
847 | |
848 | static I32 |
849 | dopoptolabel(label) |
850 | char *label; |
851 | { |
11343788 |
852 | dTHR; |
a0d0e21e |
853 | register I32 i; |
854 | register CONTEXT *cx; |
855 | |
856 | for (i = cxstack_ix; i >= 0; i--) { |
857 | cx = &cxstack[i]; |
858 | switch (cx->cx_type) { |
859 | case CXt_SUBST: |
860 | if (dowarn) |
861 | warn("Exiting substitution via %s", op_name[op->op_type]); |
862 | break; |
863 | case CXt_SUB: |
864 | if (dowarn) |
865 | warn("Exiting subroutine via %s", op_name[op->op_type]); |
866 | break; |
867 | case CXt_EVAL: |
868 | if (dowarn) |
869 | warn("Exiting eval via %s", op_name[op->op_type]); |
870 | break; |
0a753a76 |
871 | case CXt_NULL: |
872 | if (dowarn) |
873 | warn("Exiting pseudo-block via %s", op_name[op->op_type]); |
874 | return -1; |
a0d0e21e |
875 | case CXt_LOOP: |
876 | if (!cx->blk_loop.label || |
877 | strNE(label, cx->blk_loop.label) ) { |
68dc0745 |
878 | DEBUG_l(deb("(Skipping label #%ld %s)\n", |
879 | (long)i, cx->blk_loop.label)); |
a0d0e21e |
880 | continue; |
881 | } |
68dc0745 |
882 | DEBUG_l( deb("(Found label #%ld %s)\n", (long)i, label)); |
a0d0e21e |
883 | return i; |
884 | } |
885 | } |
886 | return i; |
887 | } |
888 | |
e50aee73 |
889 | I32 |
890 | dowantarray() |
891 | { |
54310121 |
892 | I32 gimme = block_gimme(); |
893 | return (gimme == G_VOID) ? G_SCALAR : gimme; |
894 | } |
895 | |
896 | I32 |
897 | block_gimme() |
898 | { |
11343788 |
899 | dTHR; |
e50aee73 |
900 | I32 cxix; |
901 | |
902 | cxix = dopoptosub(cxstack_ix); |
903 | if (cxix < 0) |
46fc3d4c |
904 | return G_VOID; |
e50aee73 |
905 | |
54310121 |
906 | switch (cxstack[cxix].blk_gimme) { |
907 | case G_VOID: |
908 | return G_VOID; |
909 | case G_SCALAR: |
e50aee73 |
910 | return G_SCALAR; |
54310121 |
911 | case G_ARRAY: |
912 | return G_ARRAY; |
913 | default: |
914 | croak("panic: bad gimme: %d\n", cxstack[cxix].blk_gimme); |
915 | } |
e50aee73 |
916 | } |
917 | |
a0d0e21e |
918 | static I32 |
919 | dopoptosub(startingblock) |
920 | I32 startingblock; |
921 | { |
11343788 |
922 | dTHR; |
a0d0e21e |
923 | I32 i; |
924 | register CONTEXT *cx; |
925 | for (i = startingblock; i >= 0; i--) { |
926 | cx = &cxstack[i]; |
927 | switch (cx->cx_type) { |
928 | default: |
929 | continue; |
930 | case CXt_EVAL: |
931 | case CXt_SUB: |
68dc0745 |
932 | DEBUG_l( deb("(Found sub #%ld)\n", (long)i)); |
a0d0e21e |
933 | return i; |
934 | } |
935 | } |
936 | return i; |
937 | } |
938 | |
939 | static I32 |
940 | dopoptoeval(startingblock) |
941 | I32 startingblock; |
942 | { |
11343788 |
943 | dTHR; |
a0d0e21e |
944 | I32 i; |
945 | register CONTEXT *cx; |
946 | for (i = startingblock; i >= 0; i--) { |
947 | cx = &cxstack[i]; |
948 | switch (cx->cx_type) { |
949 | default: |
950 | continue; |
951 | case CXt_EVAL: |
68dc0745 |
952 | DEBUG_l( deb("(Found eval #%ld)\n", (long)i)); |
a0d0e21e |
953 | return i; |
954 | } |
955 | } |
956 | return i; |
957 | } |
958 | |
959 | static I32 |
960 | dopoptoloop(startingblock) |
961 | I32 startingblock; |
962 | { |
11343788 |
963 | dTHR; |
a0d0e21e |
964 | I32 i; |
965 | register CONTEXT *cx; |
966 | for (i = startingblock; i >= 0; i--) { |
967 | cx = &cxstack[i]; |
968 | switch (cx->cx_type) { |
969 | case CXt_SUBST: |
970 | if (dowarn) |
5f05dabc |
971 | warn("Exiting substitution via %s", op_name[op->op_type]); |
a0d0e21e |
972 | break; |
973 | case CXt_SUB: |
974 | if (dowarn) |
975 | warn("Exiting subroutine via %s", op_name[op->op_type]); |
976 | break; |
977 | case CXt_EVAL: |
978 | if (dowarn) |
979 | warn("Exiting eval via %s", op_name[op->op_type]); |
980 | break; |
0a753a76 |
981 | case CXt_NULL: |
982 | if (dowarn) |
983 | warn("Exiting pseudo-block via %s", op_name[op->op_type]); |
984 | return -1; |
a0d0e21e |
985 | case CXt_LOOP: |
68dc0745 |
986 | DEBUG_l( deb("(Found loop #%ld)\n", (long)i)); |
a0d0e21e |
987 | return i; |
988 | } |
989 | } |
990 | return i; |
991 | } |
992 | |
993 | void |
994 | dounwind(cxix) |
995 | I32 cxix; |
996 | { |
11343788 |
997 | dTHR; |
a0d0e21e |
998 | register CONTEXT *cx; |
999 | SV **newsp; |
1000 | I32 optype; |
1001 | |
1002 | while (cxstack_ix > cxix) { |
c90c0ff4 |
1003 | cx = &cxstack[cxstack_ix]; |
1004 | DEBUG_l(PerlIO_printf(Perl_debug_log, "Unwinding block %ld, type %s\n", |
1005 | (long) cxstack_ix+1, block_type[cx->cx_type])); |
a0d0e21e |
1006 | /* Note: we don't need to restore the base context info till the end. */ |
1007 | switch (cx->cx_type) { |
c90c0ff4 |
1008 | case CXt_SUBST: |
1009 | POPSUBST(cx); |
1010 | continue; /* not break */ |
a0d0e21e |
1011 | case CXt_SUB: |
1012 | POPSUB(cx); |
1013 | break; |
1014 | case CXt_EVAL: |
1015 | POPEVAL(cx); |
1016 | break; |
1017 | case CXt_LOOP: |
1018 | POPLOOP(cx); |
1019 | break; |
0a753a76 |
1020 | case CXt_NULL: |
a0d0e21e |
1021 | break; |
1022 | } |
c90c0ff4 |
1023 | cxstack_ix--; |
a0d0e21e |
1024 | } |
1025 | } |
1026 | |
a0d0e21e |
1027 | OP * |
1028 | die_where(message) |
1029 | char *message; |
1030 | { |
11343788 |
1031 | dTHR; |
a0d0e21e |
1032 | if (in_eval) { |
1033 | I32 cxix; |
1034 | register CONTEXT *cx; |
1035 | I32 gimme; |
1036 | SV **newsp; |
1037 | |
4633a7c4 |
1038 | if (in_eval & 4) { |
1039 | SV **svp; |
1040 | STRLEN klen = strlen(message); |
1041 | |
1042 | svp = hv_fetch(GvHV(errgv), message, klen, TRUE); |
1043 | if (svp) { |
1044 | if (!SvIOK(*svp)) { |
1045 | static char prefix[] = "\t(in cleanup) "; |
1046 | sv_upgrade(*svp, SVt_IV); |
1047 | (void)SvIOK_only(*svp); |
1048 | SvGROW(GvSV(errgv), SvCUR(GvSV(errgv))+sizeof(prefix)+klen); |
1049 | sv_catpvn(GvSV(errgv), prefix, sizeof(prefix)-1); |
1050 | sv_catpvn(GvSV(errgv), message, klen); |
1051 | } |
1052 | sv_inc(*svp); |
1053 | } |
1054 | } |
1055 | else |
c07a80fd |
1056 | sv_setpv(GvSV(errgv), message); |
4633a7c4 |
1057 | |
a0d0e21e |
1058 | cxix = dopoptoeval(cxstack_ix); |
1059 | if (cxix >= 0) { |
1060 | I32 optype; |
1061 | |
1062 | if (cxix < cxstack_ix) |
1063 | dounwind(cxix); |
1064 | |
1065 | POPBLOCK(cx,curpm); |
1066 | if (cx->cx_type != CXt_EVAL) { |
760ac839 |
1067 | PerlIO_printf(PerlIO_stderr(), "panic: die %s", message); |
a0d0e21e |
1068 | my_exit(1); |
1069 | } |
1070 | POPEVAL(cx); |
1071 | |
1072 | if (gimme == G_SCALAR) |
1073 | *++newsp = &sv_undef; |
1074 | stack_sp = newsp; |
1075 | |
1076 | LEAVE; |
748a9306 |
1077 | |
7a2e2cd6 |
1078 | if (optype == OP_REQUIRE) { |
1079 | char* msg = SvPVx(GvSV(errgv), na); |
1080 | DIE("%s", *msg ? msg : "Compilation failed in require"); |
1081 | } |
a0d0e21e |
1082 | return pop_return(); |
1083 | } |
1084 | } |
760ac839 |
1085 | PerlIO_printf(PerlIO_stderr(), "%s",message); |
1086 | PerlIO_flush(PerlIO_stderr()); |
f86702cc |
1087 | my_failure_exit(); |
1088 | /* NOTREACHED */ |
a0d0e21e |
1089 | return 0; |
1090 | } |
1091 | |
1092 | PP(pp_xor) |
1093 | { |
1094 | dSP; dPOPTOPssrl; |
1095 | if (SvTRUE(left) != SvTRUE(right)) |
1096 | RETSETYES; |
1097 | else |
1098 | RETSETNO; |
1099 | } |
1100 | |
1101 | PP(pp_andassign) |
1102 | { |
1103 | dSP; |
1104 | if (!SvTRUE(TOPs)) |
1105 | RETURN; |
1106 | else |
1107 | RETURNOP(cLOGOP->op_other); |
1108 | } |
1109 | |
1110 | PP(pp_orassign) |
1111 | { |
1112 | dSP; |
1113 | if (SvTRUE(TOPs)) |
1114 | RETURN; |
1115 | else |
1116 | RETURNOP(cLOGOP->op_other); |
1117 | } |
1118 | |
1119 | #ifdef DEPRECATED |
1120 | PP(pp_entersubr) |
1121 | { |
1122 | dSP; |
1123 | SV** mark = (stack_base + *markstack_ptr + 1); |
1124 | SV* cv = *mark; |
1125 | while (mark < sp) { /* emulate old interface */ |
1126 | *mark = mark[1]; |
1127 | mark++; |
1128 | } |
1129 | *sp = cv; |
11343788 |
1130 | return pp_entersub(ARGS); |
a0d0e21e |
1131 | } |
1132 | #endif |
1133 | |
1134 | PP(pp_caller) |
1135 | { |
1136 | dSP; |
1137 | register I32 cxix = dopoptosub(cxstack_ix); |
1138 | register CONTEXT *cx; |
1139 | I32 dbcxix; |
54310121 |
1140 | I32 gimme; |
a0d0e21e |
1141 | SV *sv; |
1142 | I32 count = 0; |
1143 | |
1144 | if (MAXARG) |
1145 | count = POPi; |
1146 | EXTEND(SP, 6); |
1147 | for (;;) { |
1148 | if (cxix < 0) { |
1149 | if (GIMME != G_ARRAY) |
1150 | RETPUSHUNDEF; |
1151 | RETURN; |
1152 | } |
1153 | if (DBsub && cxix >= 0 && |
1154 | cxstack[cxix].blk_sub.cv == GvCV(DBsub)) |
1155 | count++; |
1156 | if (!count--) |
1157 | break; |
1158 | cxix = dopoptosub(cxix - 1); |
1159 | } |
1160 | cx = &cxstack[cxix]; |
06a5b730 |
1161 | if (cxstack[cxix].cx_type == CXt_SUB) { |
1162 | dbcxix = dopoptosub(cxix - 1); |
1163 | /* We expect that cxstack[dbcxix] is CXt_SUB, anyway, the |
1164 | field below is defined for any cx. */ |
1165 | if (DBsub && dbcxix >= 0 && cxstack[dbcxix].blk_sub.cv == GvCV(DBsub)) |
1166 | cx = &cxstack[dbcxix]; |
1167 | } |
1168 | |
a0d0e21e |
1169 | if (GIMME != G_ARRAY) { |
1170 | dTARGET; |
1171 | |
1172 | sv_setpv(TARG, HvNAME(cx->blk_oldcop->cop_stash)); |
1173 | PUSHs(TARG); |
1174 | RETURN; |
1175 | } |
a0d0e21e |
1176 | |
1177 | PUSHs(sv_2mortal(newSVpv(HvNAME(cx->blk_oldcop->cop_stash), 0))); |
1178 | PUSHs(sv_2mortal(newSVpv(SvPVX(GvSV(cx->blk_oldcop->cop_filegv)), 0))); |
1179 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_oldcop->cop_line))); |
1180 | if (!MAXARG) |
1181 | RETURN; |
06a5b730 |
1182 | if (cx->cx_type == CXt_SUB) { /* So is cxstack[dbcxix]. */ |
a0d0e21e |
1183 | sv = NEWSV(49, 0); |
e5cf08de |
1184 | gv_efullname3(sv, CvGV(cxstack[cxix].blk_sub.cv), Nullch); |
a0d0e21e |
1185 | PUSHs(sv_2mortal(sv)); |
1186 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_sub.hasargs))); |
1187 | } |
1188 | else { |
1189 | PUSHs(sv_2mortal(newSVpv("(eval)",0))); |
1190 | PUSHs(sv_2mortal(newSViv(0))); |
1191 | } |
54310121 |
1192 | gimme = (I32)cx->blk_gimme; |
1193 | if (gimme == G_VOID) |
1194 | PUSHs(&sv_undef); |
1195 | else |
1196 | PUSHs(sv_2mortal(newSViv(gimme & G_ARRAY))); |
4633a7c4 |
1197 | if (cx->cx_type == CXt_EVAL) { |
06a5b730 |
1198 | if (cx->blk_eval.old_op_type == OP_ENTEREVAL) { |
4633a7c4 |
1199 | PUSHs(cx->blk_eval.cur_text); |
06a5b730 |
1200 | PUSHs(&sv_no); |
1201 | } |
1202 | else if (cx->blk_eval.old_name) { /* Try blocks have old_name == 0. */ |
1203 | /* Require, put the name. */ |
1204 | PUSHs(sv_2mortal(newSVpv(cx->blk_eval.old_name, 0))); |
1205 | PUSHs(&sv_yes); |
1206 | } |
4633a7c4 |
1207 | } |
1208 | else if (cx->cx_type == CXt_SUB && |
1209 | cx->blk_sub.hasargs && |
1210 | curcop->cop_stash == debstash) |
1211 | { |
a0d0e21e |
1212 | AV *ary = cx->blk_sub.argarray; |
1213 | int off = AvARRAY(ary) - AvALLOC(ary); |
1214 | |
1215 | if (!dbargs) { |
1216 | GV* tmpgv; |
1217 | dbargs = GvAV(gv_AVadd(tmpgv = gv_fetchpv("DB::args", TRUE, |
1218 | SVt_PVAV))); |
a5f75d66 |
1219 | GvMULTI_on(tmpgv); |
a0d0e21e |
1220 | AvREAL_off(dbargs); /* XXX Should be REIFY */ |
1221 | } |
1222 | |
1223 | if (AvMAX(dbargs) < AvFILL(ary) + off) |
1224 | av_extend(dbargs, AvFILL(ary) + off); |
1225 | Copy(AvALLOC(ary), AvARRAY(dbargs), AvFILL(ary) + 1 + off, SV*); |
1226 | AvFILL(dbargs) = AvFILL(ary) + off; |
1227 | } |
1228 | RETURN; |
1229 | } |
1230 | |
1231 | static int |
1232 | sortcv(a, b) |
1233 | const void *a; |
1234 | const void *b; |
1235 | { |
11343788 |
1236 | dTHR; |
9607fc9c |
1237 | SV * const *str1 = (SV * const *)a; |
1238 | SV * const *str2 = (SV * const *)b; |
748a9306 |
1239 | I32 oldsaveix = savestack_ix; |
a0d0e21e |
1240 | I32 oldscopeix = scopestack_ix; |
1241 | I32 result; |
1242 | GvSV(firstgv) = *str1; |
1243 | GvSV(secondgv) = *str2; |
1244 | stack_sp = stack_base; |
1245 | op = sortcop; |
a6c477ed |
1246 | runops(); |
a0d0e21e |
1247 | if (stack_sp != stack_base + 1) |
1248 | croak("Sort subroutine didn't return single value"); |
748a9306 |
1249 | if (!SvNIOKp(*stack_sp)) |
a0d0e21e |
1250 | croak("Sort subroutine didn't return a numeric value"); |
1251 | result = SvIV(*stack_sp); |
1252 | while (scopestack_ix > oldscopeix) { |
1253 | LEAVE; |
1254 | } |
748a9306 |
1255 | leave_scope(oldsaveix); |
a0d0e21e |
1256 | return result; |
1257 | } |
1258 | |
1259 | static int |
1260 | sortcmp(a, b) |
1261 | const void *a; |
1262 | const void *b; |
1263 | { |
9607fc9c |
1264 | return sv_cmp(*(SV * const *)a, *(SV * const *)b); |
bbce6d69 |
1265 | } |
e5cf08de |
1266 | |
bbce6d69 |
1267 | static int |
1268 | sortcmp_locale(a, b) |
1269 | const void *a; |
1270 | const void *b; |
1271 | { |
9607fc9c |
1272 | return sv_cmp_locale(*(SV * const *)a, *(SV * const *)b); |
a0d0e21e |
1273 | } |
1274 | |
1275 | PP(pp_reset) |
1276 | { |
1277 | dSP; |
1278 | char *tmps; |
1279 | |
1280 | if (MAXARG < 1) |
1281 | tmps = ""; |
1282 | else |
1283 | tmps = POPp; |
1284 | sv_reset(tmps, curcop->cop_stash); |
1285 | PUSHs(&sv_yes); |
1286 | RETURN; |
1287 | } |
1288 | |
1289 | PP(pp_lineseq) |
1290 | { |
1291 | return NORMAL; |
1292 | } |
1293 | |
1294 | PP(pp_dbstate) |
1295 | { |
1296 | curcop = (COP*)op; |
1297 | TAINT_NOT; /* Each statement is presumed innocent */ |
1298 | stack_sp = stack_base + cxstack[cxstack_ix].blk_oldsp; |
1299 | FREETMPS; |
1300 | |
1301 | if (op->op_private || SvIV(DBsingle) || SvIV(DBsignal) || SvIV(DBtrace)) |
1302 | { |
1303 | SV **sp; |
1304 | register CV *cv; |
1305 | register CONTEXT *cx; |
748a9306 |
1306 | I32 gimme = G_ARRAY; |
a0d0e21e |
1307 | I32 hasargs; |
1308 | GV *gv; |
1309 | |
a0d0e21e |
1310 | gv = DBgv; |
1311 | cv = GvCV(gv); |
a0d0e21e |
1312 | if (!cv) |
1313 | DIE("No DB::DB routine defined"); |
1314 | |
06a5b730 |
1315 | if (CvDEPTH(cv) >= 1 && !(debug & (1<<30))) /* don't do recursive DB::DB call */ |
a0d0e21e |
1316 | return NORMAL; |
748a9306 |
1317 | |
4633a7c4 |
1318 | ENTER; |
1319 | SAVETMPS; |
1320 | |
748a9306 |
1321 | SAVEI32(debug); |
55497cff |
1322 | SAVESTACK_POS(); |
748a9306 |
1323 | debug = 0; |
1324 | hasargs = 0; |
1325 | sp = stack_sp; |
1326 | |
a0d0e21e |
1327 | push_return(op->op_next); |
748a9306 |
1328 | PUSHBLOCK(cx, CXt_SUB, sp); |
a0d0e21e |
1329 | PUSHSUB(cx); |
1330 | CvDEPTH(cv)++; |
1331 | (void)SvREFCNT_inc(cv); |
1332 | SAVESPTR(curpad); |
1333 | curpad = AvARRAY((AV*)*av_fetch(CvPADLIST(cv),1,FALSE)); |
1334 | RETURNOP(CvSTART(cv)); |
1335 | } |
1336 | else |
1337 | return NORMAL; |
1338 | } |
1339 | |
1340 | PP(pp_scope) |
1341 | { |
1342 | return NORMAL; |
1343 | } |
1344 | |
1345 | PP(pp_enteriter) |
1346 | { |
1347 | dSP; dMARK; |
1348 | register CONTEXT *cx; |
54310121 |
1349 | I32 gimme = GIMME_V; |
a0d0e21e |
1350 | SV **svp; |
1351 | |
4633a7c4 |
1352 | ENTER; |
1353 | SAVETMPS; |
1354 | |
a0d0e21e |
1355 | if (op->op_targ) |
1356 | svp = &curpad[op->op_targ]; /* "my" variable */ |
1357 | else |
1358 | svp = &GvSV((GV*)POPs); /* symbol table variable */ |
1359 | |
4633a7c4 |
1360 | SAVESPTR(*svp); |
1361 | |
a0d0e21e |
1362 | ENTER; |
1363 | |
1364 | PUSHBLOCK(cx, CXt_LOOP, SP); |
1365 | PUSHLOOP(cx, svp, MARK); |
44a8e56a |
1366 | if (op->op_flags & OPf_STACKED) |
1367 | cx->blk_loop.iterary = (AV*)SvREFCNT_inc(POPs); |
4633a7c4 |
1368 | else { |
1ce6579f |
1369 | cx->blk_loop.iterary = curstack; |
1370 | AvFILL(curstack) = sp - stack_base; |
4633a7c4 |
1371 | cx->blk_loop.iterix = MARK - stack_base; |
1372 | } |
a0d0e21e |
1373 | |
1374 | RETURN; |
1375 | } |
1376 | |
1377 | PP(pp_enterloop) |
1378 | { |
1379 | dSP; |
1380 | register CONTEXT *cx; |
54310121 |
1381 | I32 gimme = GIMME_V; |
a0d0e21e |
1382 | |
1383 | ENTER; |
1384 | SAVETMPS; |
1385 | ENTER; |
1386 | |
1387 | PUSHBLOCK(cx, CXt_LOOP, SP); |
1388 | PUSHLOOP(cx, 0, SP); |
1389 | |
1390 | RETURN; |
1391 | } |
1392 | |
1393 | PP(pp_leaveloop) |
1394 | { |
1395 | dSP; |
1396 | register CONTEXT *cx; |
f86702cc |
1397 | struct block_loop cxloop; |
a0d0e21e |
1398 | I32 gimme; |
1399 | SV **newsp; |
1400 | PMOP *newpm; |
1401 | SV **mark; |
1402 | |
1403 | POPBLOCK(cx,newpm); |
4fdae800 |
1404 | mark = newsp; |
f86702cc |
1405 | POPLOOP1(cx); /* Delay POPLOOP2 until stack values are safe */ |
1406 | |
a1f49e72 |
1407 | TAINT_NOT; |
54310121 |
1408 | if (gimme == G_VOID) |
1409 | ; /* do nothing */ |
1410 | else if (gimme == G_SCALAR) { |
1411 | if (mark < SP) |
1412 | *++newsp = sv_mortalcopy(*SP); |
1413 | else |
1414 | *++newsp = &sv_undef; |
a0d0e21e |
1415 | } |
1416 | else { |
a1f49e72 |
1417 | while (mark < SP) { |
a0d0e21e |
1418 | *++newsp = sv_mortalcopy(*++mark); |
a1f49e72 |
1419 | TAINT_NOT; /* Each item is independent */ |
1420 | } |
a0d0e21e |
1421 | } |
f86702cc |
1422 | SP = newsp; |
1423 | PUTBACK; |
1424 | |
1425 | POPLOOP2(); /* Stack values are safe: release loop vars ... */ |
1426 | curpm = newpm; /* ... and pop $1 et al */ |
1427 | |
a0d0e21e |
1428 | LEAVE; |
1429 | LEAVE; |
1430 | |
f86702cc |
1431 | return NORMAL; |
a0d0e21e |
1432 | } |
1433 | |
1434 | PP(pp_return) |
1435 | { |
1436 | dSP; dMARK; |
1437 | I32 cxix; |
1438 | register CONTEXT *cx; |
f86702cc |
1439 | struct block_sub cxsub; |
1440 | bool popsub2 = FALSE; |
a0d0e21e |
1441 | I32 gimme; |
1442 | SV **newsp; |
1443 | PMOP *newpm; |
1444 | I32 optype = 0; |
1445 | |
1ce6579f |
1446 | if (curstack == sortstack) { |
b3933176 |
1447 | if (cxstack_ix == sortcxix || dopoptosub(cxstack_ix) <= sortcxix) { |
16d20bd9 |
1448 | if (cxstack_ix > sortcxix) |
1449 | dounwind(sortcxix); |
1ce6579f |
1450 | AvARRAY(curstack)[1] = *SP; |
a0d0e21e |
1451 | stack_sp = stack_base + 1; |
1452 | return 0; |
1453 | } |
1454 | } |
1455 | |
1456 | cxix = dopoptosub(cxstack_ix); |
1457 | if (cxix < 0) |
1458 | DIE("Can't return outside a subroutine"); |
1459 | if (cxix < cxstack_ix) |
1460 | dounwind(cxix); |
1461 | |
1462 | POPBLOCK(cx,newpm); |
1463 | switch (cx->cx_type) { |
1464 | case CXt_SUB: |
f86702cc |
1465 | POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */ |
1466 | popsub2 = TRUE; |
a0d0e21e |
1467 | break; |
1468 | case CXt_EVAL: |
1469 | POPEVAL(cx); |
748a9306 |
1470 | if (optype == OP_REQUIRE && |
1471 | (MARK == SP || (gimme == G_SCALAR && !SvTRUE(*SP))) ) |
1472 | { |
54310121 |
1473 | /* Unassume the success we assumed earlier. */ |
748a9306 |
1474 | char *name = cx->blk_eval.old_name; |
1475 | (void)hv_delete(GvHVn(incgv), name, strlen(name), G_DISCARD); |
1476 | DIE("%s did not return a true value", name); |
1477 | } |
a0d0e21e |
1478 | break; |
1479 | default: |
1480 | DIE("panic: return"); |
a0d0e21e |
1481 | } |
1482 | |
a1f49e72 |
1483 | TAINT_NOT; |
a0d0e21e |
1484 | if (gimme == G_SCALAR) { |
1485 | if (MARK < SP) |
f86702cc |
1486 | *++newsp = (popsub2 && SvTEMP(*SP)) |
1487 | ? *SP : sv_mortalcopy(*SP); |
a0d0e21e |
1488 | else |
1489 | *++newsp = &sv_undef; |
a0d0e21e |
1490 | } |
54310121 |
1491 | else if (gimme == G_ARRAY) { |
a1f49e72 |
1492 | while (++MARK <= SP) { |
f86702cc |
1493 | *++newsp = (popsub2 && SvTEMP(*MARK)) |
1494 | ? *MARK : sv_mortalcopy(*MARK); |
a1f49e72 |
1495 | TAINT_NOT; /* Each item is independent */ |
1496 | } |
a0d0e21e |
1497 | } |
a0d0e21e |
1498 | stack_sp = newsp; |
1499 | |
f86702cc |
1500 | /* Stack values are safe: */ |
1501 | if (popsub2) { |
1502 | POPSUB2(); /* release CV and @_ ... */ |
1503 | } |
1504 | curpm = newpm; /* ... and pop $1 et al */ |
1505 | |
a0d0e21e |
1506 | LEAVE; |
1507 | return pop_return(); |
1508 | } |
1509 | |
1510 | PP(pp_last) |
1511 | { |
1512 | dSP; |
1513 | I32 cxix; |
1514 | register CONTEXT *cx; |
f86702cc |
1515 | struct block_loop cxloop; |
1516 | struct block_sub cxsub; |
1517 | I32 pop2 = 0; |
a0d0e21e |
1518 | I32 gimme; |
1519 | I32 optype; |
1520 | OP *nextop; |
1521 | SV **newsp; |
1522 | PMOP *newpm; |
1523 | SV **mark = stack_base + cxstack[cxstack_ix].blk_oldsp; |
a0d0e21e |
1524 | |
1525 | if (op->op_flags & OPf_SPECIAL) { |
1526 | cxix = dopoptoloop(cxstack_ix); |
1527 | if (cxix < 0) |
1528 | DIE("Can't \"last\" outside a block"); |
1529 | } |
1530 | else { |
1531 | cxix = dopoptolabel(cPVOP->op_pv); |
1532 | if (cxix < 0) |
1533 | DIE("Label not found for \"last %s\"", cPVOP->op_pv); |
1534 | } |
1535 | if (cxix < cxstack_ix) |
1536 | dounwind(cxix); |
1537 | |
1538 | POPBLOCK(cx,newpm); |
1539 | switch (cx->cx_type) { |
1540 | case CXt_LOOP: |
f86702cc |
1541 | POPLOOP1(cx); /* Delay POPLOOP2 until stack values are safe */ |
1542 | pop2 = CXt_LOOP; |
4fdae800 |
1543 | nextop = cxloop.last_op->op_next; |
a0d0e21e |
1544 | break; |
f86702cc |
1545 | case CXt_SUB: |
1546 | POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */ |
1547 | pop2 = CXt_SUB; |
a0d0e21e |
1548 | nextop = pop_return(); |
1549 | break; |
f86702cc |
1550 | case CXt_EVAL: |
1551 | POPEVAL(cx); |
a0d0e21e |
1552 | nextop = pop_return(); |
1553 | break; |
1554 | default: |
1555 | DIE("panic: last"); |
a0d0e21e |
1556 | } |
1557 | |
a1f49e72 |
1558 | TAINT_NOT; |
a0d0e21e |
1559 | if (gimme == G_SCALAR) { |
f86702cc |
1560 | if (MARK < SP) |
1561 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*SP)) |
1562 | ? *SP : sv_mortalcopy(*SP); |
a0d0e21e |
1563 | else |
1564 | *++newsp = &sv_undef; |
1565 | } |
54310121 |
1566 | else if (gimme == G_ARRAY) { |
a1f49e72 |
1567 | while (++MARK <= SP) { |
f86702cc |
1568 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*MARK)) |
1569 | ? *MARK : sv_mortalcopy(*MARK); |
a1f49e72 |
1570 | TAINT_NOT; /* Each item is independent */ |
1571 | } |
f86702cc |
1572 | } |
1573 | SP = newsp; |
1574 | PUTBACK; |
1575 | |
1576 | /* Stack values are safe: */ |
1577 | switch (pop2) { |
1578 | case CXt_LOOP: |
1579 | POPLOOP2(); /* release loop vars ... */ |
4fdae800 |
1580 | LEAVE; |
f86702cc |
1581 | break; |
1582 | case CXt_SUB: |
1583 | POPSUB2(); /* release CV and @_ ... */ |
1584 | break; |
a0d0e21e |
1585 | } |
f86702cc |
1586 | curpm = newpm; /* ... and pop $1 et al */ |
a0d0e21e |
1587 | |
1588 | LEAVE; |
f86702cc |
1589 | return nextop; |
a0d0e21e |
1590 | } |
1591 | |
1592 | PP(pp_next) |
1593 | { |
1594 | I32 cxix; |
1595 | register CONTEXT *cx; |
1596 | I32 oldsave; |
1597 | |
1598 | if (op->op_flags & OPf_SPECIAL) { |
1599 | cxix = dopoptoloop(cxstack_ix); |
1600 | if (cxix < 0) |
1601 | DIE("Can't \"next\" outside a block"); |
1602 | } |
1603 | else { |
1604 | cxix = dopoptolabel(cPVOP->op_pv); |
1605 | if (cxix < 0) |
1606 | DIE("Label not found for \"next %s\"", cPVOP->op_pv); |
1607 | } |
1608 | if (cxix < cxstack_ix) |
1609 | dounwind(cxix); |
1610 | |
1611 | TOPBLOCK(cx); |
1612 | oldsave = scopestack[scopestack_ix - 1]; |
1613 | LEAVE_SCOPE(oldsave); |
1614 | return cx->blk_loop.next_op; |
1615 | } |
1616 | |
1617 | PP(pp_redo) |
1618 | { |
1619 | I32 cxix; |
1620 | register CONTEXT *cx; |
1621 | I32 oldsave; |
1622 | |
1623 | if (op->op_flags & OPf_SPECIAL) { |
1624 | cxix = dopoptoloop(cxstack_ix); |
1625 | if (cxix < 0) |
1626 | DIE("Can't \"redo\" outside a block"); |
1627 | } |
1628 | else { |
1629 | cxix = dopoptolabel(cPVOP->op_pv); |
1630 | if (cxix < 0) |
1631 | DIE("Label not found for \"redo %s\"", cPVOP->op_pv); |
1632 | } |
1633 | if (cxix < cxstack_ix) |
1634 | dounwind(cxix); |
1635 | |
1636 | TOPBLOCK(cx); |
1637 | oldsave = scopestack[scopestack_ix - 1]; |
1638 | LEAVE_SCOPE(oldsave); |
1639 | return cx->blk_loop.redo_op; |
1640 | } |
1641 | |
1642 | static OP* lastgotoprobe; |
1643 | |
1644 | static OP * |
5dc0d613 |
1645 | dofindlabel(o,label,opstack,oplimit) |
11343788 |
1646 | OP *o; |
a0d0e21e |
1647 | char *label; |
1648 | OP **opstack; |
fc36a67e |
1649 | OP **oplimit; |
a0d0e21e |
1650 | { |
1651 | OP *kid; |
1652 | OP **ops = opstack; |
fc36a67e |
1653 | static char too_deep[] = "Target of goto is too deeply nested"; |
a0d0e21e |
1654 | |
fc36a67e |
1655 | if (ops >= oplimit) |
1656 | croak(too_deep); |
11343788 |
1657 | if (o->op_type == OP_LEAVE || |
1658 | o->op_type == OP_SCOPE || |
1659 | o->op_type == OP_LEAVELOOP || |
1660 | o->op_type == OP_LEAVETRY) |
fc36a67e |
1661 | { |
5dc0d613 |
1662 | *ops++ = cUNOPo->op_first; |
fc36a67e |
1663 | if (ops >= oplimit) |
1664 | croak(too_deep); |
1665 | } |
a0d0e21e |
1666 | *ops = 0; |
11343788 |
1667 | if (o->op_flags & OPf_KIDS) { |
a0d0e21e |
1668 | /* First try all the kids at this level, since that's likeliest. */ |
11343788 |
1669 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
a0d0e21e |
1670 | if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) && |
1671 | kCOP->cop_label && strEQ(kCOP->cop_label, label)) |
1672 | return kid; |
1673 | } |
11343788 |
1674 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
a0d0e21e |
1675 | if (kid == lastgotoprobe) |
1676 | continue; |
fc36a67e |
1677 | if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) && |
1678 | (ops == opstack || |
1679 | (ops[-1]->op_type != OP_NEXTSTATE && |
1680 | ops[-1]->op_type != OP_DBSTATE))) |
1681 | *ops++ = kid; |
5dc0d613 |
1682 | if (o = dofindlabel(kid, label, ops, oplimit)) |
11343788 |
1683 | return o; |
a0d0e21e |
1684 | } |
1685 | } |
1686 | *ops = 0; |
1687 | return 0; |
1688 | } |
1689 | |
1690 | PP(pp_dump) |
1691 | { |
1692 | return pp_goto(ARGS); |
1693 | /*NOTREACHED*/ |
1694 | } |
1695 | |
1696 | PP(pp_goto) |
1697 | { |
1698 | dSP; |
1699 | OP *retop = 0; |
1700 | I32 ix; |
1701 | register CONTEXT *cx; |
fc36a67e |
1702 | #define GOTO_DEPTH 64 |
1703 | OP *enterops[GOTO_DEPTH]; |
a0d0e21e |
1704 | char *label; |
1705 | int do_dump = (op->op_type == OP_DUMP); |
1706 | |
1707 | label = 0; |
1708 | if (op->op_flags & OPf_STACKED) { |
1709 | SV *sv = POPs; |
1710 | |
1711 | /* This egregious kludge implements goto &subroutine */ |
1712 | if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) { |
1713 | I32 cxix; |
1714 | register CONTEXT *cx; |
1715 | CV* cv = (CV*)SvRV(sv); |
1716 | SV** mark; |
1717 | I32 items = 0; |
1718 | I32 oldsave; |
1719 | |
4aa0a1f7 |
1720 | if (!CvROOT(cv) && !CvXSUB(cv)) { |
1721 | if (CvGV(cv)) { |
1722 | SV *tmpstr = sv_newmortal(); |
e5cf08de |
1723 | gv_efullname3(tmpstr, CvGV(cv), Nullch); |
4aa0a1f7 |
1724 | DIE("Goto undefined subroutine &%s",SvPVX(tmpstr)); |
1725 | } |
1726 | DIE("Goto undefined subroutine"); |
1727 | } |
1728 | |
a0d0e21e |
1729 | /* First do some returnish stuff. */ |
1730 | cxix = dopoptosub(cxstack_ix); |
1731 | if (cxix < 0) |
1732 | DIE("Can't goto subroutine outside a subroutine"); |
1733 | if (cxix < cxstack_ix) |
1734 | dounwind(cxix); |
1735 | TOPBLOCK(cx); |
1736 | mark = stack_sp; |
1737 | if (cx->blk_sub.hasargs) { /* put @_ back onto stack */ |
1738 | AV* av = cx->blk_sub.argarray; |
1739 | |
1740 | items = AvFILL(av) + 1; |
1ce6579f |
1741 | stack_sp++; |
1742 | EXTEND(stack_sp, items); /* @_ could have been extended. */ |
1743 | Copy(AvARRAY(av), stack_sp, items, SV*); |
a0d0e21e |
1744 | stack_sp += items; |
6d4ff0d2 |
1745 | #ifndef USE_THREADS |
2c05e328 |
1746 | SvREFCNT_dec(GvAV(defgv)); |
a0d0e21e |
1747 | GvAV(defgv) = cx->blk_sub.savearray; |
6d4ff0d2 |
1748 | #endif /* USE_THREADS */ |
a0d0e21e |
1749 | AvREAL_off(av); |
4633a7c4 |
1750 | av_clear(av); |
a0d0e21e |
1751 | } |
1752 | if (!(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth)) |
1753 | SvREFCNT_dec(cx->blk_sub.cv); |
1754 | oldsave = scopestack[scopestack_ix - 1]; |
1755 | LEAVE_SCOPE(oldsave); |
1756 | |
1757 | /* Now do some callish stuff. */ |
1758 | SAVETMPS; |
1759 | if (CvXSUB(cv)) { |
1760 | if (CvOLDSTYLE(cv)) { |
ecfc5424 |
1761 | I32 (*fp3)_((int,int,int)); |
a0d0e21e |
1762 | while (sp > mark) { |
1763 | sp[1] = sp[0]; |
1764 | sp--; |
1765 | } |
ecfc5424 |
1766 | fp3 = (I32(*)_((int,int,int)))CvXSUB(cv); |
1767 | items = (*fp3)(CvXSUBANY(cv).any_i32, |
1768 | mark - stack_base + 1, |
1769 | items); |
a0d0e21e |
1770 | sp = stack_base + items; |
1771 | } |
1772 | else { |
1ce6579f |
1773 | stack_sp--; /* There is no cv arg. */ |
a0d0e21e |
1774 | (void)(*CvXSUB(cv))(cv); |
1775 | } |
1776 | LEAVE; |
1777 | return pop_return(); |
1778 | } |
1779 | else { |
1780 | AV* padlist = CvPADLIST(cv); |
1781 | SV** svp = AvARRAY(padlist); |
1782 | cx->blk_sub.cv = cv; |
1783 | cx->blk_sub.olddepth = CvDEPTH(cv); |
1784 | CvDEPTH(cv)++; |
1785 | if (CvDEPTH(cv) < 2) |
1786 | (void)SvREFCNT_inc(cv); |
1787 | else { /* save temporaries on recursion? */ |
1788 | if (CvDEPTH(cv) == 100 && dowarn) |
44a8e56a |
1789 | sub_crush_depth(cv); |
a0d0e21e |
1790 | if (CvDEPTH(cv) > AvFILL(padlist)) { |
1791 | AV *newpad = newAV(); |
4aa0a1f7 |
1792 | SV **oldpad = AvARRAY(svp[CvDEPTH(cv)-1]); |
a0d0e21e |
1793 | I32 ix = AvFILL((AV*)svp[1]); |
1794 | svp = AvARRAY(svp[0]); |
748a9306 |
1795 | for ( ;ix > 0; ix--) { |
a0d0e21e |
1796 | if (svp[ix] != &sv_undef) { |
748a9306 |
1797 | char *name = SvPVX(svp[ix]); |
5f05dabc |
1798 | if ((SvFLAGS(svp[ix]) & SVf_FAKE) |
1799 | || *name == '&') |
1800 | { |
1801 | /* outer lexical or anon code */ |
748a9306 |
1802 | av_store(newpad, ix, |
4aa0a1f7 |
1803 | SvREFCNT_inc(oldpad[ix]) ); |
748a9306 |
1804 | } |
1805 | else { /* our own lexical */ |
1806 | if (*name == '@') |
1807 | av_store(newpad, ix, sv = (SV*)newAV()); |
1808 | else if (*name == '%') |
1809 | av_store(newpad, ix, sv = (SV*)newHV()); |
1810 | else |
1811 | av_store(newpad, ix, sv = NEWSV(0,0)); |
1812 | SvPADMY_on(sv); |
1813 | } |
a0d0e21e |
1814 | } |
1815 | else { |
748a9306 |
1816 | av_store(newpad, ix, sv = NEWSV(0,0)); |
a0d0e21e |
1817 | SvPADTMP_on(sv); |
1818 | } |
1819 | } |
1820 | if (cx->blk_sub.hasargs) { |
1821 | AV* av = newAV(); |
1822 | av_extend(av, 0); |
1823 | av_store(newpad, 0, (SV*)av); |
1824 | AvFLAGS(av) = AVf_REIFY; |
1825 | } |
1826 | av_store(padlist, CvDEPTH(cv), (SV*)newpad); |
1827 | AvFILL(padlist) = CvDEPTH(cv); |
1828 | svp = AvARRAY(padlist); |
1829 | } |
1830 | } |
6d4ff0d2 |
1831 | #ifdef USE_THREADS |
1832 | if (!cx->blk_sub.hasargs) { |
1833 | AV* av = (AV*)curpad[0]; |
1834 | |
1835 | items = AvFILL(av) + 1; |
1836 | if (items) { |
1837 | /* Mark is at the end of the stack. */ |
1838 | EXTEND(sp, items); |
1839 | Copy(AvARRAY(av), sp + 1, items, SV*); |
1840 | sp += items; |
1841 | PUTBACK ; |
1842 | } |
1843 | } |
1844 | #endif /* USE_THREADS */ |
a0d0e21e |
1845 | SAVESPTR(curpad); |
1846 | curpad = AvARRAY((AV*)svp[CvDEPTH(cv)]); |
6d4ff0d2 |
1847 | #ifndef USE_THREADS |
1848 | if (cx->blk_sub.hasargs) |
1849 | #endif /* USE_THREADS */ |
1850 | { |
a0d0e21e |
1851 | AV* av = (AV*)curpad[0]; |
1852 | SV** ary; |
1853 | |
6d4ff0d2 |
1854 | #ifndef USE_THREADS |
a0d0e21e |
1855 | cx->blk_sub.savearray = GvAV(defgv); |
2c05e328 |
1856 | GvAV(defgv) = (AV*)SvREFCNT_inc(av); |
6d4ff0d2 |
1857 | #endif /* USE_THREADS */ |
1858 | cx->blk_sub.argarray = av; |
a0d0e21e |
1859 | ++mark; |
1860 | |
1861 | if (items >= AvMAX(av) + 1) { |
1862 | ary = AvALLOC(av); |
1863 | if (AvARRAY(av) != ary) { |
1864 | AvMAX(av) += AvARRAY(av) - AvALLOC(av); |
1865 | SvPVX(av) = (char*)ary; |
1866 | } |
1867 | if (items >= AvMAX(av) + 1) { |
1868 | AvMAX(av) = items - 1; |
1869 | Renew(ary,items+1,SV*); |
1870 | AvALLOC(av) = ary; |
1871 | SvPVX(av) = (char*)ary; |
1872 | } |
1873 | } |
1874 | Copy(mark,AvARRAY(av),items,SV*); |
1875 | AvFILL(av) = items - 1; |
1876 | |
1877 | while (items--) { |
1878 | if (*mark) |
1879 | SvTEMP_off(*mark); |
1880 | mark++; |
1881 | } |
1882 | } |
f967eb5f |
1883 | if (perldb && curstash != debstash) { |
44a8e56a |
1884 | /* |
1885 | * We do not care about using sv to call CV; |
1886 | * it's for informational purposes only. |
1887 | */ |
1ce6579f |
1888 | SV *sv = GvSV(DBsub); |
1889 | save_item(sv); |
e5cf08de |
1890 | gv_efullname3(sv, CvGV(cv), Nullch); |
1ce6579f |
1891 | } |
a0d0e21e |
1892 | RETURNOP(CvSTART(cv)); |
1893 | } |
1894 | } |
1895 | else |
1896 | label = SvPV(sv,na); |
1897 | } |
1898 | else if (op->op_flags & OPf_SPECIAL) { |
1899 | if (! do_dump) |
1900 | DIE("goto must have label"); |
1901 | } |
1902 | else |
1903 | label = cPVOP->op_pv; |
1904 | |
1905 | if (label && *label) { |
1906 | OP *gotoprobe = 0; |
1907 | |
1908 | /* find label */ |
1909 | |
1910 | lastgotoprobe = 0; |
1911 | *enterops = 0; |
1912 | for (ix = cxstack_ix; ix >= 0; ix--) { |
1913 | cx = &cxstack[ix]; |
1914 | switch (cx->cx_type) { |
a0d0e21e |
1915 | case CXt_EVAL: |
1916 | gotoprobe = eval_root; /* XXX not good for nested eval */ |
1917 | break; |
1918 | case CXt_LOOP: |
1919 | gotoprobe = cx->blk_oldcop->op_sibling; |
1920 | break; |
1921 | case CXt_SUBST: |
1922 | continue; |
1923 | case CXt_BLOCK: |
1924 | if (ix) |
1925 | gotoprobe = cx->blk_oldcop->op_sibling; |
1926 | else |
1927 | gotoprobe = main_root; |
1928 | break; |
b3933176 |
1929 | case CXt_SUB: |
1930 | if (CvDEPTH(cx->blk_sub.cv)) { |
1931 | gotoprobe = CvROOT(cx->blk_sub.cv); |
1932 | break; |
1933 | } |
1934 | /* FALL THROUGH */ |
0a753a76 |
1935 | case CXt_NULL: |
1936 | DIE("Can't \"goto\" outside a block"); |
a0d0e21e |
1937 | default: |
1938 | if (ix) |
1939 | DIE("panic: goto"); |
68dc0745 |
1940 | gotoprobe = main_root; |
a0d0e21e |
1941 | break; |
1942 | } |
fc36a67e |
1943 | retop = dofindlabel(gotoprobe, label, |
1944 | enterops, enterops + GOTO_DEPTH); |
a0d0e21e |
1945 | if (retop) |
1946 | break; |
1947 | lastgotoprobe = gotoprobe; |
1948 | } |
1949 | if (!retop) |
1950 | DIE("Can't find label %s", label); |
1951 | |
1952 | /* pop unwanted frames */ |
1953 | |
1954 | if (ix < cxstack_ix) { |
1955 | I32 oldsave; |
1956 | |
1957 | if (ix < 0) |
1958 | ix = 0; |
1959 | dounwind(ix); |
1960 | TOPBLOCK(cx); |
1961 | oldsave = scopestack[scopestack_ix]; |
1962 | LEAVE_SCOPE(oldsave); |
1963 | } |
1964 | |
1965 | /* push wanted frames */ |
1966 | |
748a9306 |
1967 | if (*enterops && enterops[1]) { |
a0d0e21e |
1968 | OP *oldop = op; |
748a9306 |
1969 | for (ix = 1; enterops[ix]; ix++) { |
a0d0e21e |
1970 | op = enterops[ix]; |
11343788 |
1971 | (*op->op_ppaddr)(ARGS); |
a0d0e21e |
1972 | } |
1973 | op = oldop; |
1974 | } |
1975 | } |
1976 | |
1977 | if (do_dump) { |
a5f75d66 |
1978 | #ifdef VMS |
1979 | if (!retop) retop = main_start; |
1980 | #endif |
a0d0e21e |
1981 | restartop = retop; |
1982 | do_undump = TRUE; |
1983 | |
1984 | my_unexec(); |
1985 | |
1986 | restartop = 0; /* hmm, must be GNU unexec().. */ |
1987 | do_undump = FALSE; |
1988 | } |
1989 | |
1ce6579f |
1990 | if (curstack == signalstack) { |
748a9306 |
1991 | restartop = retop; |
54310121 |
1992 | JMPENV_JUMP(3); |
748a9306 |
1993 | } |
1994 | |
a0d0e21e |
1995 | RETURNOP(retop); |
1996 | } |
1997 | |
1998 | PP(pp_exit) |
1999 | { |
2000 | dSP; |
2001 | I32 anum; |
2002 | |
2003 | if (MAXARG < 1) |
2004 | anum = 0; |
ff0cee69 |
2005 | else { |
a0d0e21e |
2006 | anum = SvIVx(POPs); |
ff0cee69 |
2007 | #ifdef VMSISH_EXIT |
2008 | if (anum == 1 && VMSISH_EXIT) |
2009 | anum = 0; |
2010 | #endif |
2011 | } |
a0d0e21e |
2012 | my_exit(anum); |
2013 | PUSHs(&sv_undef); |
2014 | RETURN; |
2015 | } |
2016 | |
2017 | #ifdef NOTYET |
2018 | PP(pp_nswitch) |
2019 | { |
2020 | dSP; |
2021 | double value = SvNVx(GvSV(cCOP->cop_gv)); |
2022 | register I32 match = I_32(value); |
2023 | |
2024 | if (value < 0.0) { |
2025 | if (((double)match) > value) |
2026 | --match; /* was fractional--truncate other way */ |
2027 | } |
2028 | match -= cCOP->uop.scop.scop_offset; |
2029 | if (match < 0) |
2030 | match = 0; |
2031 | else if (match > cCOP->uop.scop.scop_max) |
2032 | match = cCOP->uop.scop.scop_max; |
2033 | op = cCOP->uop.scop.scop_next[match]; |
2034 | RETURNOP(op); |
2035 | } |
2036 | |
2037 | PP(pp_cswitch) |
2038 | { |
2039 | dSP; |
2040 | register I32 match; |
2041 | |
2042 | if (multiline) |
2043 | op = op->op_next; /* can't assume anything */ |
2044 | else { |
2045 | match = *(SvPVx(GvSV(cCOP->cop_gv), na)) & 255; |
2046 | match -= cCOP->uop.scop.scop_offset; |
2047 | if (match < 0) |
2048 | match = 0; |
2049 | else if (match > cCOP->uop.scop.scop_max) |
2050 | match = cCOP->uop.scop.scop_max; |
2051 | op = cCOP->uop.scop.scop_next[match]; |
2052 | } |
2053 | RETURNOP(op); |
2054 | } |
2055 | #endif |
2056 | |
2057 | /* Eval. */ |
2058 | |
2059 | static void |
2060 | save_lines(array, sv) |
2061 | AV *array; |
2062 | SV *sv; |
2063 | { |
2064 | register char *s = SvPVX(sv); |
2065 | register char *send = SvPVX(sv) + SvCUR(sv); |
2066 | register char *t; |
2067 | register I32 line = 1; |
2068 | |
2069 | while (s && s < send) { |
2070 | SV *tmpstr = NEWSV(85,0); |
2071 | |
2072 | sv_upgrade(tmpstr, SVt_PVMG); |
2073 | t = strchr(s, '\n'); |
2074 | if (t) |
2075 | t++; |
2076 | else |
2077 | t = send; |
2078 | |
2079 | sv_setpvn(tmpstr, s, t - s); |
2080 | av_store(array, line++, tmpstr); |
2081 | s = t; |
2082 | } |
2083 | } |
2084 | |
2085 | static OP * |
1e422769 |
2086 | docatch(o) |
2087 | OP *o; |
2088 | { |
e858de61 |
2089 | dTHR; |
1e422769 |
2090 | int ret; |
035902c7 |
2091 | I32 oldrunlevel = runlevel; |
1e422769 |
2092 | OP *oldop = op; |
54310121 |
2093 | dJMPENV; |
1e422769 |
2094 | |
2095 | op = o; |
1e422769 |
2096 | #ifdef DEBUGGING |
54310121 |
2097 | assert(CATCH_GET == TRUE); |
035902c7 |
2098 | DEBUG_l(deb("(Setting up local jumplevel, runlevel = %ld)\n", (long)runlevel+1)); |
1e422769 |
2099 | #endif |
22921e25 |
2100 | JMPENV_PUSH(ret); |
2101 | switch (ret) { |
1e422769 |
2102 | default: /* topmost level handles it */ |
54310121 |
2103 | JMPENV_POP; |
1e422769 |
2104 | runlevel = oldrunlevel; |
1e422769 |
2105 | op = oldop; |
54310121 |
2106 | JMPENV_JUMP(ret); |
1e422769 |
2107 | /* NOTREACHED */ |
2108 | case 3: |
2109 | if (!restartop) { |
2110 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
2111 | break; |
2112 | } |
1e422769 |
2113 | op = restartop; |
2114 | restartop = 0; |
2115 | /* FALL THROUGH */ |
2116 | case 0: |
2117 | runops(); |
2118 | break; |
2119 | } |
54310121 |
2120 | JMPENV_POP; |
1e422769 |
2121 | runlevel = oldrunlevel; |
1e422769 |
2122 | op = oldop; |
2123 | return Nullop; |
2124 | } |
2125 | |
2126 | static OP * |
a0d0e21e |
2127 | doeval(gimme) |
2128 | int gimme; |
2129 | { |
11343788 |
2130 | dTHR; |
a0d0e21e |
2131 | dSP; |
2132 | OP *saveop = op; |
2133 | HV *newstash; |
ff3ff8d1 |
2134 | CV *caller; |
748a9306 |
2135 | AV* comppadlist; |
a0d0e21e |
2136 | |
b35b2403 |
2137 | #ifdef USE_THREADS |
11343788 |
2138 | MUTEX_LOCK(&eval_mutex); |
2139 | if (eval_owner && eval_owner != thr) |
2140 | while (eval_owner) |
2141 | COND_WAIT(&eval_cond, &eval_mutex); |
2142 | eval_owner = thr; |
2143 | MUTEX_UNLOCK(&eval_mutex); |
b35b2403 |
2144 | #endif /* USE_THREADS */ |
a0d0e21e |
2145 | in_eval = 1; |
2146 | |
1ce6579f |
2147 | PUSHMARK(SP); |
2148 | |
a0d0e21e |
2149 | /* set up a scratch pad */ |
2150 | |
55497cff |
2151 | SAVEI32(padix); |
a0d0e21e |
2152 | SAVESPTR(curpad); |
2153 | SAVESPTR(comppad); |
2154 | SAVESPTR(comppad_name); |
55497cff |
2155 | SAVEI32(comppad_name_fill); |
2156 | SAVEI32(min_intro_pending); |
2157 | SAVEI32(max_intro_pending); |
748a9306 |
2158 | |
ff3ff8d1 |
2159 | caller = compcv; |
748a9306 |
2160 | SAVESPTR(compcv); |
2161 | compcv = (CV*)NEWSV(1104,0); |
2162 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c |
2163 | CvUNIQUE_on(compcv); |
11343788 |
2164 | #ifdef USE_THREADS |
2165 | CvOWNER(compcv) = 0; |
12ca11f6 |
2166 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
11343788 |
2167 | MUTEX_INIT(CvMUTEXP(compcv)); |
12ca11f6 |
2168 | New(666, CvCONDP(compcv), 1, perl_cond); |
11343788 |
2169 | COND_INIT(CvCONDP(compcv)); |
2170 | #endif /* USE_THREADS */ |
748a9306 |
2171 | |
a0d0e21e |
2172 | comppad = newAV(); |
6d4ff0d2 |
2173 | av_push(comppad, Nullsv); |
2174 | curpad = AvARRAY(comppad); |
a0d0e21e |
2175 | comppad_name = newAV(); |
2176 | comppad_name_fill = 0; |
6d4ff0d2 |
2177 | min_intro_pending = 0; |
2178 | padix = 0; |
11343788 |
2179 | #ifdef USE_THREADS |
2180 | av_store(comppad_name, 0, newSVpv("@_", 2)); |
6d4ff0d2 |
2181 | curpad[0] = (SV*)newAV(); |
2182 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
11343788 |
2183 | #endif /* USE_THREADS */ |
a0d0e21e |
2184 | |
748a9306 |
2185 | comppadlist = newAV(); |
2186 | AvREAL_off(comppadlist); |
8e07c86e |
2187 | av_store(comppadlist, 0, (SV*)comppad_name); |
2188 | av_store(comppadlist, 1, (SV*)comppad); |
748a9306 |
2189 | CvPADLIST(compcv) = comppadlist; |
2c05e328 |
2190 | |
2191 | if (saveop->op_type != OP_REQUIRE) |
2192 | CvOUTSIDE(compcv) = (CV*)SvREFCNT_inc(caller); |
07055b4c |
2193 | |
8e07c86e |
2194 | SAVEFREESV(compcv); |
748a9306 |
2195 | |
a0d0e21e |
2196 | /* make sure we compile in the right package */ |
2197 | |
2198 | newstash = curcop->cop_stash; |
2199 | if (curstash != newstash) { |
2200 | SAVESPTR(curstash); |
2201 | curstash = newstash; |
2202 | } |
2203 | SAVESPTR(beginav); |
2204 | beginav = newAV(); |
2205 | SAVEFREESV(beginav); |
2206 | |
2207 | /* try to compile it */ |
2208 | |
2209 | eval_root = Nullop; |
2210 | error_count = 0; |
2211 | curcop = &compiling; |
2212 | curcop->cop_arybase = 0; |
c07a80fd |
2213 | SvREFCNT_dec(rs); |
2214 | rs = newSVpv("\n", 1); |
1ce6579f |
2215 | if (saveop->op_flags & OPf_SPECIAL) |
2216 | in_eval |= 4; |
2217 | else |
2218 | sv_setpv(GvSV(errgv),""); |
a0d0e21e |
2219 | if (yyparse() || error_count || !eval_root) { |
2220 | SV **newsp; |
2221 | I32 gimme; |
2222 | CONTEXT *cx; |
2223 | I32 optype; |
2224 | |
2225 | op = saveop; |
2226 | if (eval_root) { |
2227 | op_free(eval_root); |
2228 | eval_root = Nullop; |
2229 | } |
1ce6579f |
2230 | SP = stack_base + POPMARK; /* pop original mark */ |
a0d0e21e |
2231 | POPBLOCK(cx,curpm); |
2232 | POPEVAL(cx); |
2233 | pop_return(); |
2234 | lex_end(); |
2235 | LEAVE; |
7a2e2cd6 |
2236 | if (optype == OP_REQUIRE) { |
2237 | char* msg = SvPVx(GvSV(errgv), na); |
2238 | DIE("%s", *msg ? msg : "Compilation failed in require"); |
2239 | } |
c07a80fd |
2240 | SvREFCNT_dec(rs); |
2241 | rs = SvREFCNT_inc(nrs); |
f2134d95 |
2242 | #ifdef USE_THREADS |
2243 | MUTEX_LOCK(&eval_mutex); |
2244 | eval_owner = 0; |
2245 | COND_SIGNAL(&eval_cond); |
2246 | MUTEX_UNLOCK(&eval_mutex); |
2247 | #endif /* USE_THREADS */ |
a0d0e21e |
2248 | RETPUSHUNDEF; |
2249 | } |
c07a80fd |
2250 | SvREFCNT_dec(rs); |
2251 | rs = SvREFCNT_inc(nrs); |
a0d0e21e |
2252 | compiling.cop_line = 0; |
a0d0e21e |
2253 | SAVEFREEOP(eval_root); |
54310121 |
2254 | if (gimme & G_VOID) |
2255 | scalarvoid(eval_root); |
2256 | else if (gimme & G_ARRAY) |
a0d0e21e |
2257 | list(eval_root); |
2258 | else |
2259 | scalar(eval_root); |
2260 | |
2261 | DEBUG_x(dump_eval()); |
2262 | |
55497cff |
2263 | /* Register with debugger: */ |
55497cff |
2264 | if (perldb && saveop->op_type == OP_REQUIRE) { |
2265 | CV *cv = perl_get_cv("DB::postponed", FALSE); |
55497cff |
2266 | if (cv) { |
2267 | dSP; |
2268 | PUSHMARK(sp); |
2269 | XPUSHs((SV*)compiling.cop_filegv); |
2270 | PUTBACK; |
2271 | perl_call_sv((SV*)cv, G_DISCARD); |
2272 | } |
2273 | } |
2274 | |
a0d0e21e |
2275 | /* compiled okay, so do it */ |
2276 | |
4fdae800 |
2277 | CvDEPTH(compcv) = 1; |
1ce6579f |
2278 | SP = stack_base + POPMARK; /* pop original mark */ |
b35b2403 |
2279 | #ifdef USE_THREADS |
11343788 |
2280 | MUTEX_LOCK(&eval_mutex); |
2281 | eval_owner = 0; |
2282 | COND_SIGNAL(&eval_cond); |
2283 | MUTEX_UNLOCK(&eval_mutex); |
b35b2403 |
2284 | #endif /* USE_THREADS */ |
5dc0d613 |
2285 | |
a0d0e21e |
2286 | RETURNOP(eval_start); |
2287 | } |
2288 | |
2289 | PP(pp_require) |
2290 | { |
2291 | dSP; |
2292 | register CONTEXT *cx; |
2293 | SV *sv; |
2294 | char *name; |
46fc3d4c |
2295 | char *tryname; |
2296 | SV *namesv = Nullsv; |
a0d0e21e |
2297 | SV** svp; |
2298 | I32 gimme = G_SCALAR; |
760ac839 |
2299 | PerlIO *tryrsfp = 0; |
a0d0e21e |
2300 | |
2301 | sv = POPs; |
4633a7c4 |
2302 | if (SvNIOKp(sv) && !SvPOKp(sv)) { |
36477c24 |
2303 | SET_NUMERIC_STANDARD(); |
a5f75d66 |
2304 | if (atof(patchlevel) + 0.00000999 < SvNV(sv)) |
2305 | DIE("Perl %s required--this is only version %s, stopped", |
2306 | SvPV(sv,na),patchlevel); |
a0d0e21e |
2307 | RETPUSHYES; |
2308 | } |
2309 | name = SvPV(sv, na); |
2310 | if (!*name) |
2311 | DIE("Null filename used"); |
4633a7c4 |
2312 | TAINT_PROPER("require"); |
a0d0e21e |
2313 | if (op->op_type == OP_REQUIRE && |
2314 | (svp = hv_fetch(GvHVn(incgv), name, SvCUR(sv), 0)) && |
2315 | *svp != &sv_undef) |
2316 | RETPUSHYES; |
2317 | |
2318 | /* prepare to compile file */ |
2319 | |
46fc3d4c |
2320 | if (*name == '/' || |
2321 | (*name == '.' && |
2322 | (name[1] == '/' || |
2323 | (name[1] == '.' && name[2] == '/'))) |
4633a7c4 |
2324 | #ifdef DOSISH |
46fc3d4c |
2325 | || (name[0] && name[1] == ':') |
4633a7c4 |
2326 | #endif |
748a9306 |
2327 | #ifdef VMS |
46fc3d4c |
2328 | || (strchr(name,':') || ((*name == '[' || *name == '<') && |
2329 | (isALNUM(name[1]) || strchr("$-_]>",name[1])))) |
748a9306 |
2330 | #endif |
2331 | ) |
a0d0e21e |
2332 | { |
46fc3d4c |
2333 | tryname = name; |
2334 | tryrsfp = PerlIO_open(name,"r"); |
a0d0e21e |
2335 | } |
2336 | else { |
2337 | AV *ar = GvAVn(incgv); |
2338 | I32 i; |
748a9306 |
2339 | #ifdef VMS |
46fc3d4c |
2340 | char *unixname; |
2341 | if ((unixname = tounixspec(name, Nullch)) != Nullch) |
2342 | #endif |
2343 | { |
2344 | namesv = NEWSV(806, 0); |
2345 | for (i = 0; i <= AvFILL(ar); i++) { |
2346 | char *dir = SvPVx(*av_fetch(ar, i, TRUE), na); |
2347 | #ifdef VMS |
2348 | char *unixdir; |
2349 | if ((unixdir = tounixpath(dir, Nullch)) == Nullch) |
2350 | continue; |
2351 | sv_setpv(namesv, unixdir); |
2352 | sv_catpv(namesv, unixname); |
748a9306 |
2353 | #else |
46fc3d4c |
2354 | sv_setpvf(namesv, "%s/%s", dir, name); |
748a9306 |
2355 | #endif |
46fc3d4c |
2356 | tryname = SvPVX(namesv); |
2357 | tryrsfp = PerlIO_open(tryname, "r"); |
2358 | if (tryrsfp) { |
2359 | if (tryname[0] == '.' && tryname[1] == '/') |
2360 | tryname += 2; |
2361 | break; |
2362 | } |
a0d0e21e |
2363 | } |
2364 | } |
2365 | } |
2366 | SAVESPTR(compiling.cop_filegv); |
46fc3d4c |
2367 | compiling.cop_filegv = gv_fetchfile(tryrsfp ? tryname : name); |
2368 | SvREFCNT_dec(namesv); |
a0d0e21e |
2369 | if (!tryrsfp) { |
2370 | if (op->op_type == OP_REQUIRE) { |
46fc3d4c |
2371 | SV *msg = sv_2mortal(newSVpvf("Can't locate %s in @INC", name)); |
2372 | if (instr(SvPVX(msg), ".h ")) |
2373 | sv_catpv(msg, " (change .h to .ph maybe?)"); |
2374 | if (instr(SvPVX(msg), ".ph ")) |
2375 | sv_catpv(msg, " (did you run h2ph?)"); |
fc36a67e |
2376 | DIE("%_", msg); |
a0d0e21e |
2377 | } |
2378 | |
2379 | RETPUSHUNDEF; |
2380 | } |
2381 | |
2382 | /* Assume success here to prevent recursive requirement. */ |
2383 | (void)hv_store(GvHVn(incgv), name, strlen(name), |
2384 | newSVsv(GvSV(compiling.cop_filegv)), 0 ); |
2385 | |
2386 | ENTER; |
2387 | SAVETMPS; |
2388 | lex_start(sv_2mortal(newSVpv("",0))); |
e50aee73 |
2389 | if (rsfp_filters){ |
2390 | save_aptr(&rsfp_filters); |
2391 | rsfp_filters = NULL; |
2392 | } |
2393 | |
a0d0e21e |
2394 | rsfp = tryrsfp; |
2395 | name = savepv(name); |
2396 | SAVEFREEPV(name); |
2397 | SAVEI32(hints); |
2398 | hints = 0; |
2399 | |
2400 | /* switch to eval mode */ |
2401 | |
2402 | push_return(op->op_next); |
2403 | PUSHBLOCK(cx, CXt_EVAL, SP); |
2404 | PUSHEVAL(cx, name, compiling.cop_filegv); |
2405 | |
2406 | compiling.cop_line = 0; |
2407 | |
2408 | PUTBACK; |
1e422769 |
2409 | return DOCATCH(doeval(G_SCALAR)); |
a0d0e21e |
2410 | } |
2411 | |
2412 | PP(pp_dofile) |
2413 | { |
2414 | return pp_require(ARGS); |
2415 | } |
2416 | |
2417 | PP(pp_entereval) |
2418 | { |
2419 | dSP; |
2420 | register CONTEXT *cx; |
2421 | dPOPss; |
54310121 |
2422 | I32 gimme = GIMME_V, was = sub_generation; |
fc36a67e |
2423 | char tmpbuf[TYPE_DIGITS(long) + 12]; |
2424 | char *safestr; |
a0d0e21e |
2425 | STRLEN len; |
55497cff |
2426 | OP *ret; |
a0d0e21e |
2427 | |
2428 | if (!SvPV(sv,len) || !len) |
2429 | RETPUSHUNDEF; |
748a9306 |
2430 | TAINT_PROPER("eval"); |
a0d0e21e |
2431 | |
2432 | ENTER; |
a0d0e21e |
2433 | lex_start(sv); |
748a9306 |
2434 | SAVETMPS; |
a0d0e21e |
2435 | |
2436 | /* switch to eval mode */ |
2437 | |
748a9306 |
2438 | SAVESPTR(compiling.cop_filegv); |
ff0cee69 |
2439 | sprintf(tmpbuf, "_<(eval %lu)", (unsigned long)++evalseq); |
a0d0e21e |
2440 | compiling.cop_filegv = gv_fetchfile(tmpbuf+2); |
2441 | compiling.cop_line = 1; |
55497cff |
2442 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
2443 | deleting the eval's FILEGV from the stash before gv_check() runs |
2444 | (i.e. before run-time proper). To work around the coredump that |
2445 | ensues, we always turn GvMULTI_on for any globals that were |
2446 | introduced within evals. See force_ident(). GSAR 96-10-12 */ |
2447 | safestr = savepv(tmpbuf); |
2448 | SAVEDELETE(defstash, safestr, strlen(safestr)); |
a0d0e21e |
2449 | SAVEI32(hints); |
2450 | hints = op->op_targ; |
2451 | |
2452 | push_return(op->op_next); |
2453 | PUSHBLOCK(cx, CXt_EVAL, SP); |
2454 | PUSHEVAL(cx, 0, compiling.cop_filegv); |
2455 | |
2456 | /* prepare to compile string */ |
2457 | |
2458 | if (perldb && curstash != debstash) |
2459 | save_lines(GvAV(compiling.cop_filegv), linestr); |
2460 | PUTBACK; |
55497cff |
2461 | ret = doeval(gimme); |
2462 | if (perldb && was != sub_generation) { /* Some subs defined here. */ |
2463 | strcpy(safestr, "_<(eval )"); /* Anything fake and short. */ |
2464 | } |
1e422769 |
2465 | return DOCATCH(ret); |
a0d0e21e |
2466 | } |
2467 | |
2468 | PP(pp_leaveeval) |
2469 | { |
2470 | dSP; |
2471 | register SV **mark; |
2472 | SV **newsp; |
2473 | PMOP *newpm; |
2474 | I32 gimme; |
2475 | register CONTEXT *cx; |
2476 | OP *retop; |
760ac839 |
2477 | U8 save_flags = op -> op_flags; |
a0d0e21e |
2478 | I32 optype; |
2479 | |
2480 | POPBLOCK(cx,newpm); |
2481 | POPEVAL(cx); |
2482 | retop = pop_return(); |
2483 | |
a1f49e72 |
2484 | TAINT_NOT; |
54310121 |
2485 | if (gimme == G_VOID) |
2486 | MARK = newsp; |
2487 | else if (gimme == G_SCALAR) { |
2488 | MARK = newsp + 1; |
2489 | if (MARK <= SP) { |
2490 | if (SvFLAGS(TOPs) & SVs_TEMP) |
2491 | *MARK = TOPs; |
2492 | else |
2493 | *MARK = sv_mortalcopy(TOPs); |
2494 | } |
a0d0e21e |
2495 | else { |
54310121 |
2496 | MEXTEND(mark,0); |
2497 | *MARK = &sv_undef; |
a0d0e21e |
2498 | } |
a0d0e21e |
2499 | } |
2500 | else { |
a1f49e72 |
2501 | /* in case LEAVE wipes old return values */ |
2502 | for (mark = newsp + 1; mark <= SP; mark++) { |
2503 | if (!(SvFLAGS(*mark) & SVs_TEMP)) { |
a0d0e21e |
2504 | *mark = sv_mortalcopy(*mark); |
a1f49e72 |
2505 | TAINT_NOT; /* Each item is independent */ |
2506 | } |
2507 | } |
a0d0e21e |
2508 | } |
2509 | curpm = newpm; /* Don't pop $1 et al till now */ |
2510 | |
4fdae800 |
2511 | #ifdef DEBUGGING |
2512 | assert(CvDEPTH(compcv) == 1); |
2513 | #endif |
2514 | CvDEPTH(compcv) = 0; |
2515 | |
1ce6579f |
2516 | if (optype == OP_REQUIRE && |
54310121 |
2517 | !(gimme == G_SCALAR ? SvTRUE(*sp) : sp > newsp)) |
2518 | { |
1ce6579f |
2519 | /* Unassume the success we assumed earlier. */ |
54310121 |
2520 | char *name = cx->blk_eval.old_name; |
1ce6579f |
2521 | (void)hv_delete(GvHVn(incgv), name, strlen(name), G_DISCARD); |
2522 | retop = die("%s did not return a true value", name); |
a0d0e21e |
2523 | } |
2524 | |
2525 | lex_end(); |
2526 | LEAVE; |
4fdae800 |
2527 | |
760ac839 |
2528 | if (!(save_flags & OPf_SPECIAL)) |
1ce6579f |
2529 | sv_setpv(GvSV(errgv),""); |
a0d0e21e |
2530 | |
2531 | RETURNOP(retop); |
2532 | } |
2533 | |
a0d0e21e |
2534 | PP(pp_entertry) |
2535 | { |
2536 | dSP; |
2537 | register CONTEXT *cx; |
54310121 |
2538 | I32 gimme = GIMME_V; |
a0d0e21e |
2539 | |
2540 | ENTER; |
2541 | SAVETMPS; |
2542 | |
2543 | push_return(cLOGOP->op_other->op_next); |
2544 | PUSHBLOCK(cx, CXt_EVAL, SP); |
2545 | PUSHEVAL(cx, 0, 0); |
2546 | eval_root = op; /* Only needed so that goto works right. */ |
2547 | |
2548 | in_eval = 1; |
4633a7c4 |
2549 | sv_setpv(GvSV(errgv),""); |
1e422769 |
2550 | PUTBACK; |
2551 | return DOCATCH(op->op_next); |
a0d0e21e |
2552 | } |
2553 | |
2554 | PP(pp_leavetry) |
2555 | { |
2556 | dSP; |
2557 | register SV **mark; |
2558 | SV **newsp; |
2559 | PMOP *newpm; |
2560 | I32 gimme; |
2561 | register CONTEXT *cx; |
2562 | I32 optype; |
2563 | |
2564 | POPBLOCK(cx,newpm); |
2565 | POPEVAL(cx); |
2566 | pop_return(); |
2567 | |
a1f49e72 |
2568 | TAINT_NOT; |
54310121 |
2569 | if (gimme == G_VOID) |
2570 | SP = newsp; |
2571 | else if (gimme == G_SCALAR) { |
2572 | MARK = newsp + 1; |
2573 | if (MARK <= SP) { |
2574 | if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP)) |
2575 | *MARK = TOPs; |
2576 | else |
2577 | *MARK = sv_mortalcopy(TOPs); |
2578 | } |
a0d0e21e |
2579 | else { |
54310121 |
2580 | MEXTEND(mark,0); |
2581 | *MARK = &sv_undef; |
a0d0e21e |
2582 | } |
2583 | SP = MARK; |
2584 | } |
2585 | else { |
a1f49e72 |
2586 | /* in case LEAVE wipes old return values */ |
2587 | for (mark = newsp + 1; mark <= SP; mark++) { |
2588 | if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) { |
a0d0e21e |
2589 | *mark = sv_mortalcopy(*mark); |
a1f49e72 |
2590 | TAINT_NOT; /* Each item is independent */ |
2591 | } |
2592 | } |
a0d0e21e |
2593 | } |
2594 | curpm = newpm; /* Don't pop $1 et al till now */ |
2595 | |
2596 | LEAVE; |
4633a7c4 |
2597 | sv_setpv(GvSV(errgv),""); |
a0d0e21e |
2598 | RETURN; |
2599 | } |
2600 | |
2601 | static void |
2602 | doparseform(sv) |
2603 | SV *sv; |
2604 | { |
2605 | STRLEN len; |
2606 | register char *s = SvPV_force(sv, len); |
2607 | register char *send = s + len; |
2608 | register char *base; |
2609 | register I32 skipspaces = 0; |
2610 | bool noblank; |
2611 | bool repeat; |
2612 | bool postspace = FALSE; |
2613 | U16 *fops; |
2614 | register U16 *fpc; |
2615 | U16 *linepc; |
2616 | register I32 arg; |
2617 | bool ischop; |
2618 | |
55497cff |
2619 | if (len == 0) |
bbce6d69 |
2620 | croak("Null picture in formline"); |
55497cff |
2621 | |
2622 | New(804, fops, (send - s)*3+10, U16); /* Almost certainly too long... */ |
a0d0e21e |
2623 | fpc = fops; |
2624 | |
2625 | if (s < send) { |
2626 | linepc = fpc; |
2627 | *fpc++ = FF_LINEMARK; |
2628 | noblank = repeat = FALSE; |
2629 | base = s; |
2630 | } |
2631 | |
2632 | while (s <= send) { |
2633 | switch (*s++) { |
2634 | default: |
2635 | skipspaces = 0; |
2636 | continue; |
2637 | |
2638 | case '~': |
2639 | if (*s == '~') { |
2640 | repeat = TRUE; |
2641 | *s = ' '; |
2642 | } |
2643 | noblank = TRUE; |
2644 | s[-1] = ' '; |
2645 | /* FALL THROUGH */ |
2646 | case ' ': case '\t': |
2647 | skipspaces++; |
2648 | continue; |
2649 | |
2650 | case '\n': case 0: |
2651 | arg = s - base; |
2652 | skipspaces++; |
2653 | arg -= skipspaces; |
2654 | if (arg) { |
5f05dabc |
2655 | if (postspace) |
a0d0e21e |
2656 | *fpc++ = FF_SPACE; |
a0d0e21e |
2657 | *fpc++ = FF_LITERAL; |
2658 | *fpc++ = arg; |
2659 | } |
5f05dabc |
2660 | postspace = FALSE; |
a0d0e21e |
2661 | if (s <= send) |
2662 | skipspaces--; |
2663 | if (skipspaces) { |
2664 | *fpc++ = FF_SKIP; |
2665 | *fpc++ = skipspaces; |
2666 | } |
2667 | skipspaces = 0; |
2668 | if (s <= send) |
2669 | *fpc++ = FF_NEWLINE; |
2670 | if (noblank) { |
2671 | *fpc++ = FF_BLANK; |
2672 | if (repeat) |
2673 | arg = fpc - linepc + 1; |
2674 | else |
2675 | arg = 0; |
2676 | *fpc++ = arg; |
2677 | } |
2678 | if (s < send) { |
2679 | linepc = fpc; |
2680 | *fpc++ = FF_LINEMARK; |
2681 | noblank = repeat = FALSE; |
2682 | base = s; |
2683 | } |
2684 | else |
2685 | s++; |
2686 | continue; |
2687 | |
2688 | case '@': |
2689 | case '^': |
2690 | ischop = s[-1] == '^'; |
2691 | |
2692 | if (postspace) { |
2693 | *fpc++ = FF_SPACE; |
2694 | postspace = FALSE; |
2695 | } |
2696 | arg = (s - base) - 1; |
2697 | if (arg) { |
2698 | *fpc++ = FF_LITERAL; |
2699 | *fpc++ = arg; |
2700 | } |
2701 | |
2702 | base = s - 1; |
2703 | *fpc++ = FF_FETCH; |
2704 | if (*s == '*') { |
2705 | s++; |
2706 | *fpc++ = 0; |
2707 | *fpc++ = FF_LINEGLOB; |
2708 | } |
2709 | else if (*s == '#' || (*s == '.' && s[1] == '#')) { |
2710 | arg = ischop ? 512 : 0; |
2711 | base = s - 1; |
2712 | while (*s == '#') |
2713 | s++; |
2714 | if (*s == '.') { |
2715 | char *f; |
2716 | s++; |
2717 | f = s; |
2718 | while (*s == '#') |
2719 | s++; |
2720 | arg |= 256 + (s - f); |
2721 | } |
2722 | *fpc++ = s - base; /* fieldsize for FETCH */ |
2723 | *fpc++ = FF_DECIMAL; |
2724 | *fpc++ = arg; |
2725 | } |
2726 | else { |
2727 | I32 prespace = 0; |
2728 | bool ismore = FALSE; |
2729 | |
2730 | if (*s == '>') { |
2731 | while (*++s == '>') ; |
2732 | prespace = FF_SPACE; |
2733 | } |
2734 | else if (*s == '|') { |
2735 | while (*++s == '|') ; |
2736 | prespace = FF_HALFSPACE; |
2737 | postspace = TRUE; |
2738 | } |
2739 | else { |
2740 | if (*s == '<') |
2741 | while (*++s == '<') ; |
2742 | postspace = TRUE; |
2743 | } |
2744 | if (*s == '.' && s[1] == '.' && s[2] == '.') { |
2745 | s += 3; |
2746 | ismore = TRUE; |
2747 | } |
2748 | *fpc++ = s - base; /* fieldsize for FETCH */ |
2749 | |
2750 | *fpc++ = ischop ? FF_CHECKCHOP : FF_CHECKNL; |
2751 | |
2752 | if (prespace) |
2753 | *fpc++ = prespace; |
2754 | *fpc++ = FF_ITEM; |
2755 | if (ismore) |
2756 | *fpc++ = FF_MORE; |
2757 | if (ischop) |
2758 | *fpc++ = FF_CHOP; |
2759 | } |
2760 | base = s; |
2761 | skipspaces = 0; |
2762 | continue; |
2763 | } |
2764 | } |
2765 | *fpc++ = FF_END; |
2766 | |
2767 | arg = fpc - fops; |
2768 | { /* need to jump to the next word */ |
2769 | int z; |
2770 | z = WORD_ALIGN - SvCUR(sv) % WORD_ALIGN; |
2771 | SvGROW(sv, SvCUR(sv) + z + arg * sizeof(U16) + 4); |
2772 | s = SvPVX(sv) + SvCUR(sv) + z; |
2773 | } |
2774 | Copy(fops, s, arg, U16); |
2775 | Safefree(fops); |
55497cff |
2776 | sv_magic(sv, Nullsv, 'f', Nullch, 0); |
a0d0e21e |
2777 | SvCOMPILED_on(sv); |
2778 | } |