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)); |
5dc0d613 |
29 | static OP *dofindlabel _((OP *o, char *label, OP **opstack, OP **oplimit)); |
a0d0e21e |
30 | static void doparseform _((SV *sv)); |
31 | static I32 dopoptoeval _((I32 startingblock)); |
32 | static I32 dopoptolabel _((char *label)); |
33 | static I32 dopoptoloop _((I32 startingblock)); |
34 | static I32 dopoptosub _((I32 startingblock)); |
35 | static void save_lines _((AV *array, SV *sv)); |
a0d0e21e |
36 | static int sortcv _((const void *, const void *)); |
bbce6d69 |
37 | static int sortcmp _((const void *, const void *)); |
38 | static int sortcmp_locale _((const void *, const void *)); |
c277df42 |
39 | static OP *doeval _((int gimme, OP** startop)); |
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; |
c277df42 |
74 | MAGIC *mg = Null(MAGIC*); |
a0d0e21e |
75 | |
76 | tmpstr = POPs; |
c277df42 |
77 | if(SvROK(tmpstr)) { |
78 | SV *sv = SvRV(tmpstr); |
79 | if(SvMAGICAL(sv)) |
80 | mg = mg_find(sv, 'r'); |
81 | } |
82 | if(mg) { |
83 | regexp *re = (regexp *)mg->mg_obj; |
84 | ReREFCNT_dec(pm->op_pmregexp); |
85 | pm->op_pmregexp = ReREFCNT_inc(re); |
86 | } |
87 | else { |
88 | t = SvPV(tmpstr, len); |
89 | |
90 | /* JMR: Check against the last compiled regexp */ |
91 | if ( ! pm->op_pmregexp || ! pm->op_pmregexp->precomp |
92 | || strnNE(pm->op_pmregexp->precomp, t, len) |
93 | || pm->op_pmregexp->precomp[len]) { |
94 | if (pm->op_pmregexp) { |
95 | ReREFCNT_dec(pm->op_pmregexp); |
96 | pm->op_pmregexp = Null(REGEXP*); /* crucial if regcomp aborts */ |
97 | } |
a0d0e21e |
98 | |
c277df42 |
99 | pm->op_pmflags = pm->op_pmpermflags; /* reset case sensitivity */ |
100 | pm->op_pmregexp = pregcomp(t, t + len, pm); |
101 | } |
4633a7c4 |
102 | } |
a0d0e21e |
103 | |
104 | if (!pm->op_pmregexp->prelen && curpm) |
105 | pm = curpm; |
106 | else if (strEQ("\\s+", pm->op_pmregexp->precomp)) |
107 | pm->op_pmflags |= PMf_WHITE; |
108 | |
109 | if (pm->op_pmflags & PMf_KEEP) { |
c90c0ff4 |
110 | pm->op_private &= ~OPpRUNTIME; /* no point compiling again */ |
a0d0e21e |
111 | cLOGOP->op_first->op_next = op->op_next; |
a0d0e21e |
112 | } |
113 | RETURN; |
114 | } |
115 | |
116 | PP(pp_substcont) |
117 | { |
4e35701f |
118 | djSP; |
a0d0e21e |
119 | register PMOP *pm = (PMOP*) cLOGOP->op_other; |
c09156bb |
120 | register PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
a0d0e21e |
121 | register SV *dstr = cx->sb_dstr; |
122 | register char *s = cx->sb_s; |
123 | register char *m = cx->sb_m; |
124 | char *orig = cx->sb_orig; |
c07a80fd |
125 | register REGEXP *rx = cx->sb_rx; |
a0d0e21e |
126 | |
c90c0ff4 |
127 | rxres_restore(&cx->sb_rxres, rx); |
128 | |
a0d0e21e |
129 | if (cx->sb_iters++) { |
130 | if (cx->sb_iters > cx->sb_maxiters) |
131 | DIE("Substitution loop"); |
132 | |
71be2cbc |
133 | if (!cx->sb_rxtainted) |
134 | cx->sb_rxtainted = SvTAINTED(TOPs); |
a0d0e21e |
135 | sv_catsv(dstr, POPs); |
a0d0e21e |
136 | |
137 | /* Are we done */ |
c277df42 |
138 | if (cx->sb_once || !regexec_flags(rx, s, cx->sb_strend, orig, |
139 | s == m, Nullsv, NULL, |
140 | cx->sb_safebase ? 0 : REXEC_COPY_STR)) |
a0d0e21e |
141 | { |
142 | SV *targ = cx->sb_targ; |
143 | sv_catpvn(dstr, s, cx->sb_strend - s); |
748a9306 |
144 | |
c277df42 |
145 | TAINT_IF(cx->sb_rxtainted || RX_MATCH_TAINTED(rx)); |
9212bbba |
146 | |
4633a7c4 |
147 | (void)SvOOK_off(targ); |
cb0b1708 |
148 | Safefree(SvPVX(targ)); |
748a9306 |
149 | SvPVX(targ) = SvPVX(dstr); |
150 | SvCUR_set(targ, SvCUR(dstr)); |
151 | SvLEN_set(targ, SvLEN(dstr)); |
152 | SvPVX(dstr) = 0; |
153 | sv_free(dstr); |
a0d0e21e |
154 | (void)SvPOK_only(targ); |
155 | SvSETMAGIC(targ); |
9212bbba |
156 | SvTAINT(targ); |
5cd24f17 |
157 | |
a0d0e21e |
158 | PUSHs(sv_2mortal(newSViv((I32)cx->sb_iters - 1))); |
4633a7c4 |
159 | LEAVE_SCOPE(cx->sb_oldsave); |
a0d0e21e |
160 | POPSUBST(cx); |
161 | RETURNOP(pm->op_next); |
162 | } |
163 | } |
164 | if (rx->subbase && rx->subbase != orig) { |
165 | m = s; |
166 | s = orig; |
167 | cx->sb_orig = orig = rx->subbase; |
168 | s = orig + (m - s); |
169 | cx->sb_strend = s + (cx->sb_strend - m); |
170 | } |
171 | cx->sb_m = m = rx->startp[0]; |
172 | sv_catpvn(dstr, s, m-s); |
173 | cx->sb_s = rx->endp[0]; |
c277df42 |
174 | cx->sb_rxtainted |= RX_MATCH_TAINTED(rx); |
c90c0ff4 |
175 | rxres_save(&cx->sb_rxres, rx); |
a0d0e21e |
176 | RETURNOP(pm->op_pmreplstart); |
177 | } |
178 | |
c90c0ff4 |
179 | void |
8ac85365 |
180 | rxres_save(void **rsp, REGEXP *rx) |
c90c0ff4 |
181 | { |
182 | UV *p = (UV*)*rsp; |
183 | U32 i; |
184 | |
185 | if (!p || p[1] < rx->nparens) { |
186 | i = 6 + rx->nparens * 2; |
187 | if (!p) |
188 | New(501, p, i, UV); |
189 | else |
190 | Renew(p, i, UV); |
191 | *rsp = (void*)p; |
192 | } |
193 | |
194 | *p++ = (UV)rx->subbase; |
195 | rx->subbase = Nullch; |
196 | |
197 | *p++ = rx->nparens; |
198 | |
199 | *p++ = (UV)rx->subbeg; |
200 | *p++ = (UV)rx->subend; |
201 | for (i = 0; i <= rx->nparens; ++i) { |
202 | *p++ = (UV)rx->startp[i]; |
203 | *p++ = (UV)rx->endp[i]; |
204 | } |
205 | } |
206 | |
207 | void |
8ac85365 |
208 | rxres_restore(void **rsp, REGEXP *rx) |
c90c0ff4 |
209 | { |
210 | UV *p = (UV*)*rsp; |
211 | U32 i; |
212 | |
213 | Safefree(rx->subbase); |
214 | rx->subbase = (char*)(*p); |
215 | *p++ = 0; |
216 | |
217 | rx->nparens = *p++; |
218 | |
219 | rx->subbeg = (char*)(*p++); |
220 | rx->subend = (char*)(*p++); |
221 | for (i = 0; i <= rx->nparens; ++i) { |
222 | rx->startp[i] = (char*)(*p++); |
223 | rx->endp[i] = (char*)(*p++); |
224 | } |
225 | } |
226 | |
227 | void |
8ac85365 |
228 | rxres_free(void **rsp) |
c90c0ff4 |
229 | { |
230 | UV *p = (UV*)*rsp; |
231 | |
232 | if (p) { |
233 | Safefree((char*)(*p)); |
234 | Safefree(p); |
235 | *rsp = Null(void*); |
236 | } |
237 | } |
238 | |
a0d0e21e |
239 | PP(pp_formline) |
240 | { |
4e35701f |
241 | djSP; dMARK; dORIGMARK; |
a0d0e21e |
242 | register SV *form = *++MARK; |
243 | register U16 *fpc; |
244 | register char *t; |
245 | register char *f; |
246 | register char *s; |
247 | register char *send; |
248 | register I32 arg; |
249 | register SV *sv; |
250 | char *item; |
251 | I32 itemsize; |
252 | I32 fieldsize; |
253 | I32 lines = 0; |
254 | bool chopspace = (strchr(chopset, ' ') != Nullch); |
255 | char *chophere; |
256 | char *linemark; |
a0d0e21e |
257 | double value; |
258 | bool gotsome; |
259 | STRLEN len; |
260 | |
55497cff |
261 | if (!SvMAGICAL(form) || !SvCOMPILED(form)) { |
a0d0e21e |
262 | SvREADONLY_off(form); |
263 | doparseform(form); |
264 | } |
265 | |
266 | SvPV_force(formtarget, len); |
267 | t = SvGROW(formtarget, len + SvCUR(form) + 1); /* XXX SvCUR bad */ |
268 | t += len; |
269 | f = SvPV(form, len); |
270 | /* need to jump to the next word */ |
271 | s = f + len + WORD_ALIGN - SvCUR(form) % WORD_ALIGN; |
272 | |
273 | fpc = (U16*)s; |
274 | |
275 | for (;;) { |
276 | DEBUG_f( { |
277 | char *name = "???"; |
278 | arg = -1; |
279 | switch (*fpc) { |
280 | case FF_LITERAL: arg = fpc[1]; name = "LITERAL"; break; |
281 | case FF_BLANK: arg = fpc[1]; name = "BLANK"; break; |
282 | case FF_SKIP: arg = fpc[1]; name = "SKIP"; break; |
283 | case FF_FETCH: arg = fpc[1]; name = "FETCH"; break; |
284 | case FF_DECIMAL: arg = fpc[1]; name = "DECIMAL"; break; |
285 | |
286 | case FF_CHECKNL: name = "CHECKNL"; break; |
287 | case FF_CHECKCHOP: name = "CHECKCHOP"; break; |
288 | case FF_SPACE: name = "SPACE"; break; |
289 | case FF_HALFSPACE: name = "HALFSPACE"; break; |
290 | case FF_ITEM: name = "ITEM"; break; |
291 | case FF_CHOP: name = "CHOP"; break; |
292 | case FF_LINEGLOB: name = "LINEGLOB"; break; |
293 | case FF_NEWLINE: name = "NEWLINE"; break; |
294 | case FF_MORE: name = "MORE"; break; |
295 | case FF_LINEMARK: name = "LINEMARK"; break; |
296 | case FF_END: name = "END"; break; |
297 | } |
298 | if (arg >= 0) |
760ac839 |
299 | PerlIO_printf(PerlIO_stderr(), "%-16s%ld\n", name, (long) arg); |
a0d0e21e |
300 | else |
760ac839 |
301 | PerlIO_printf(PerlIO_stderr(), "%-16s\n", name); |
a0d0e21e |
302 | } ) |
303 | switch (*fpc++) { |
304 | case FF_LINEMARK: |
305 | linemark = t; |
a0d0e21e |
306 | lines++; |
307 | gotsome = FALSE; |
308 | break; |
309 | |
310 | case FF_LITERAL: |
311 | arg = *fpc++; |
312 | while (arg--) |
313 | *t++ = *f++; |
314 | break; |
315 | |
316 | case FF_SKIP: |
317 | f += *fpc++; |
318 | break; |
319 | |
320 | case FF_FETCH: |
321 | arg = *fpc++; |
322 | f += arg; |
323 | fieldsize = arg; |
324 | |
325 | if (MARK < SP) |
326 | sv = *++MARK; |
327 | else { |
328 | sv = &sv_no; |
329 | if (dowarn) |
330 | warn("Not enough format arguments"); |
331 | } |
332 | break; |
333 | |
334 | case FF_CHECKNL: |
335 | item = s = SvPV(sv, len); |
336 | itemsize = len; |
337 | if (itemsize > fieldsize) |
338 | itemsize = fieldsize; |
339 | send = chophere = s + itemsize; |
340 | while (s < send) { |
341 | if (*s & ~31) |
342 | gotsome = TRUE; |
343 | else if (*s == '\n') |
344 | break; |
345 | s++; |
346 | } |
347 | itemsize = s - item; |
348 | break; |
349 | |
350 | case FF_CHECKCHOP: |
351 | item = s = SvPV(sv, len); |
352 | itemsize = len; |
353 | if (itemsize <= fieldsize) { |
354 | send = chophere = s + itemsize; |
355 | while (s < send) { |
356 | if (*s == '\r') { |
357 | itemsize = s - item; |
358 | break; |
359 | } |
360 | if (*s++ & ~31) |
361 | gotsome = TRUE; |
362 | } |
363 | } |
364 | else { |
365 | itemsize = fieldsize; |
366 | send = chophere = s + itemsize; |
367 | while (s < send || (s == send && isSPACE(*s))) { |
368 | if (isSPACE(*s)) { |
369 | if (chopspace) |
370 | chophere = s; |
371 | if (*s == '\r') |
372 | break; |
373 | } |
374 | else { |
375 | if (*s & ~31) |
376 | gotsome = TRUE; |
377 | if (strchr(chopset, *s)) |
378 | chophere = s + 1; |
379 | } |
380 | s++; |
381 | } |
382 | itemsize = chophere - item; |
383 | } |
384 | break; |
385 | |
386 | case FF_SPACE: |
387 | arg = fieldsize - itemsize; |
388 | if (arg) { |
389 | fieldsize -= arg; |
390 | while (arg-- > 0) |
391 | *t++ = ' '; |
392 | } |
393 | break; |
394 | |
395 | case FF_HALFSPACE: |
396 | arg = fieldsize - itemsize; |
397 | if (arg) { |
398 | arg /= 2; |
399 | fieldsize -= arg; |
400 | while (arg-- > 0) |
401 | *t++ = ' '; |
402 | } |
403 | break; |
404 | |
405 | case FF_ITEM: |
406 | arg = itemsize; |
407 | s = item; |
408 | while (arg--) { |
409 | #if 'z' - 'a' != 25 |
410 | int ch = *t++ = *s++; |
411 | if (!iscntrl(ch)) |
412 | t[-1] = ' '; |
413 | #else |
414 | if ( !((*t++ = *s++) & ~31) ) |
415 | t[-1] = ' '; |
416 | #endif |
417 | |
418 | } |
419 | break; |
420 | |
421 | case FF_CHOP: |
422 | s = chophere; |
423 | if (chopspace) { |
424 | while (*s && isSPACE(*s)) |
425 | s++; |
426 | } |
427 | sv_chop(sv,s); |
428 | break; |
429 | |
430 | case FF_LINEGLOB: |
431 | item = s = SvPV(sv, len); |
432 | itemsize = len; |
433 | if (itemsize) { |
434 | gotsome = TRUE; |
435 | send = s + itemsize; |
436 | while (s < send) { |
437 | if (*s++ == '\n') { |
438 | if (s == send) |
439 | itemsize--; |
440 | else |
441 | lines++; |
442 | } |
443 | } |
444 | SvCUR_set(formtarget, t - SvPVX(formtarget)); |
445 | sv_catpvn(formtarget, item, itemsize); |
446 | SvGROW(formtarget, SvCUR(formtarget) + SvCUR(form) + 1); |
447 | t = SvPVX(formtarget) + SvCUR(formtarget); |
448 | } |
449 | break; |
450 | |
451 | case FF_DECIMAL: |
452 | /* If the field is marked with ^ and the value is undefined, |
453 | blank it out. */ |
454 | arg = *fpc++; |
455 | if ((arg & 512) && !SvOK(sv)) { |
456 | arg = fieldsize; |
457 | while (arg--) |
458 | *t++ = ' '; |
459 | break; |
460 | } |
461 | gotsome = TRUE; |
462 | value = SvNV(sv); |
bbce6d69 |
463 | /* Formats aren't yet marked for locales, so assume "yes". */ |
36477c24 |
464 | SET_NUMERIC_LOCAL(); |
a0d0e21e |
465 | if (arg & 256) { |
466 | sprintf(t, "%#*.*f", (int) fieldsize, (int) arg & 255, value); |
467 | } else { |
468 | sprintf(t, "%*.0f", (int) fieldsize, value); |
469 | } |
470 | t += fieldsize; |
471 | break; |
472 | |
473 | case FF_NEWLINE: |
474 | f++; |
475 | while (t-- > linemark && *t == ' ') ; |
476 | t++; |
477 | *t++ = '\n'; |
478 | break; |
479 | |
480 | case FF_BLANK: |
481 | arg = *fpc++; |
482 | if (gotsome) { |
483 | if (arg) { /* repeat until fields exhausted? */ |
484 | *t = '\0'; |
485 | SvCUR_set(formtarget, t - SvPVX(formtarget)); |
486 | lines += FmLINES(formtarget); |
487 | if (lines == 200) { |
488 | arg = t - linemark; |
489 | if (strnEQ(linemark, linemark - arg, arg)) |
490 | DIE("Runaway format"); |
491 | } |
492 | FmLINES(formtarget) = lines; |
493 | SP = ORIGMARK; |
494 | RETURNOP(cLISTOP->op_first); |
495 | } |
496 | } |
497 | else { |
498 | t = linemark; |
499 | lines--; |
500 | } |
501 | break; |
502 | |
503 | case FF_MORE: |
504 | if (itemsize) { |
505 | arg = fieldsize - itemsize; |
506 | if (arg) { |
507 | fieldsize -= arg; |
508 | while (arg-- > 0) |
509 | *t++ = ' '; |
510 | } |
511 | s = t - 3; |
512 | if (strnEQ(s," ",3)) { |
513 | while (s > SvPVX(formtarget) && isSPACE(s[-1])) |
514 | s--; |
515 | } |
516 | *s++ = '.'; |
517 | *s++ = '.'; |
518 | *s++ = '.'; |
519 | } |
520 | break; |
521 | |
522 | case FF_END: |
523 | *t = '\0'; |
524 | SvCUR_set(formtarget, t - SvPVX(formtarget)); |
525 | FmLINES(formtarget) += lines; |
526 | SP = ORIGMARK; |
527 | RETPUSHYES; |
528 | } |
529 | } |
530 | } |
531 | |
532 | PP(pp_grepstart) |
533 | { |
4e35701f |
534 | djSP; |
a0d0e21e |
535 | SV *src; |
536 | |
537 | if (stack_base + *markstack_ptr == sp) { |
538 | (void)POPMARK; |
54310121 |
539 | if (GIMME_V == G_SCALAR) |
a0d0e21e |
540 | XPUSHs(&sv_no); |
541 | RETURNOP(op->op_next->op_next); |
542 | } |
543 | stack_sp = stack_base + *markstack_ptr + 1; |
11343788 |
544 | pp_pushmark(ARGS); /* push dst */ |
545 | pp_pushmark(ARGS); /* push src */ |
a0d0e21e |
546 | ENTER; /* enter outer scope */ |
547 | |
548 | SAVETMPS; |
fb54173c |
549 | #ifdef USE_THREADS |
550 | /* SAVE_DEFSV does *not* suffice here */ |
54b9620d |
551 | save_sptr(av_fetch(thr->threadsv, find_threadsv("_"), FALSE)); |
fb54173c |
552 | #else |
553 | SAVESPTR(GvSV(defgv)); |
554 | #endif /* USE_THREADS */ |
a0d0e21e |
555 | ENTER; /* enter inner scope */ |
556 | SAVESPTR(curpm); |
557 | |
558 | src = stack_base[*markstack_ptr]; |
559 | SvTEMP_off(src); |
54b9620d |
560 | DEFSV = src; |
a0d0e21e |
561 | |
562 | PUTBACK; |
563 | if (op->op_type == OP_MAPSTART) |
11343788 |
564 | pp_pushmark(ARGS); /* push top */ |
a0d0e21e |
565 | return ((LOGOP*)op->op_next)->op_other; |
566 | } |
567 | |
568 | PP(pp_mapstart) |
569 | { |
570 | DIE("panic: mapstart"); /* uses grepstart */ |
571 | } |
572 | |
573 | PP(pp_mapwhile) |
574 | { |
4e35701f |
575 | djSP; |
a0d0e21e |
576 | I32 diff = (sp - stack_base) - *markstack_ptr; |
577 | I32 count; |
578 | I32 shift; |
579 | SV** src; |
580 | SV** dst; |
581 | |
582 | ++markstack_ptr[-1]; |
583 | if (diff) { |
584 | if (diff > markstack_ptr[-1] - markstack_ptr[-2]) { |
585 | shift = diff - (markstack_ptr[-1] - markstack_ptr[-2]); |
586 | count = (sp - stack_base) - markstack_ptr[-1] + 2; |
587 | |
588 | EXTEND(sp,shift); |
589 | src = sp; |
590 | dst = (sp += shift); |
591 | markstack_ptr[-1] += shift; |
592 | *markstack_ptr += shift; |
593 | while (--count) |
594 | *dst-- = *src--; |
595 | } |
596 | dst = stack_base + (markstack_ptr[-2] += diff) - 1; |
597 | ++diff; |
598 | while (--diff) |
599 | *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs); |
600 | } |
601 | LEAVE; /* exit inner scope */ |
602 | |
603 | /* All done yet? */ |
604 | if (markstack_ptr[-1] > *markstack_ptr) { |
605 | I32 items; |
54310121 |
606 | I32 gimme = GIMME_V; |
a0d0e21e |
607 | |
608 | (void)POPMARK; /* pop top */ |
609 | LEAVE; /* exit outer scope */ |
610 | (void)POPMARK; /* pop src */ |
611 | items = --*markstack_ptr - markstack_ptr[-1]; |
612 | (void)POPMARK; /* pop dst */ |
613 | SP = stack_base + POPMARK; /* pop original mark */ |
54310121 |
614 | if (gimme == G_SCALAR) { |
a0d0e21e |
615 | dTARGET; |
616 | XPUSHi(items); |
a0d0e21e |
617 | } |
54310121 |
618 | else if (gimme == G_ARRAY) |
619 | SP += items; |
a0d0e21e |
620 | RETURN; |
621 | } |
622 | else { |
623 | SV *src; |
624 | |
625 | ENTER; /* enter inner scope */ |
626 | SAVESPTR(curpm); |
627 | |
628 | src = stack_base[markstack_ptr[-1]]; |
629 | SvTEMP_off(src); |
54b9620d |
630 | DEFSV = src; |
a0d0e21e |
631 | |
632 | RETURNOP(cLOGOP->op_other); |
633 | } |
634 | } |
635 | |
636 | |
637 | PP(pp_sort) |
638 | { |
4e35701f |
639 | djSP; dMARK; dORIGMARK; |
a0d0e21e |
640 | register SV **up; |
641 | SV **myorigmark = ORIGMARK; |
642 | register I32 max; |
643 | HV *stash; |
644 | GV *gv; |
645 | CV *cv; |
646 | I32 gimme = GIMME; |
647 | OP* nextop = op->op_next; |
648 | |
649 | if (gimme != G_ARRAY) { |
650 | SP = MARK; |
651 | RETPUSHUNDEF; |
652 | } |
653 | |
654 | if (op->op_flags & OPf_STACKED) { |
655 | ENTER; |
656 | if (op->op_flags & OPf_SPECIAL) { |
657 | OP *kid = cLISTOP->op_first->op_sibling; /* pass pushmark */ |
658 | kid = kUNOP->op_first; /* pass rv2gv */ |
659 | kid = kUNOP->op_first; /* pass leave */ |
660 | sortcop = kid->op_next; |
661 | stash = curcop->cop_stash; |
662 | } |
663 | else { |
664 | cv = sv_2cv(*++MARK, &stash, &gv, 0); |
665 | if (!(cv && CvROOT(cv))) { |
666 | if (gv) { |
667 | SV *tmpstr = sv_newmortal(); |
e5cf08de |
668 | gv_efullname3(tmpstr, gv, Nullch); |
a0d0e21e |
669 | if (cv && CvXSUB(cv)) |
670 | DIE("Xsub \"%s\" called in sort", SvPVX(tmpstr)); |
671 | DIE("Undefined sort subroutine \"%s\" called", |
672 | SvPVX(tmpstr)); |
673 | } |
674 | if (cv) { |
675 | if (CvXSUB(cv)) |
676 | DIE("Xsub called in sort"); |
677 | DIE("Undefined subroutine in sort"); |
678 | } |
679 | DIE("Not a CODE reference in sort"); |
680 | } |
681 | sortcop = CvSTART(cv); |
682 | SAVESPTR(CvROOT(cv)->op_ppaddr); |
683 | CvROOT(cv)->op_ppaddr = ppaddr[OP_NULL]; |
b3933176 |
684 | |
a0d0e21e |
685 | SAVESPTR(curpad); |
686 | curpad = AvARRAY((AV*)AvARRAY(CvPADLIST(cv))[1]); |
687 | } |
688 | } |
689 | else { |
690 | sortcop = Nullop; |
691 | stash = curcop->cop_stash; |
692 | } |
693 | |
694 | up = myorigmark + 1; |
695 | while (MARK < SP) { /* This may or may not shift down one here. */ |
696 | /*SUPPRESS 560*/ |
697 | if (*up = *++MARK) { /* Weed out nulls. */ |
9f8d30d5 |
698 | SvTEMP_off(*up); |
699 | if (!sortcop && !SvPOK(*up)) |
a0d0e21e |
700 | (void)sv_2pv(*up, &na); |
a0d0e21e |
701 | up++; |
702 | } |
703 | } |
704 | max = --up - myorigmark; |
705 | if (sortcop) { |
706 | if (max > 1) { |
707 | AV *oldstack; |
c09156bb |
708 | PERL_CONTEXT *cx; |
a0d0e21e |
709 | SV** newsp; |
54310121 |
710 | bool oldcatch = CATCH_GET; |
a0d0e21e |
711 | |
712 | SAVETMPS; |
462e5cf6 |
713 | SAVEOP(); |
a0d0e21e |
714 | |
1ce6579f |
715 | oldstack = curstack; |
a0d0e21e |
716 | if (!sortstack) { |
717 | sortstack = newAV(); |
718 | AvREAL_off(sortstack); |
719 | av_extend(sortstack, 32); |
720 | } |
54310121 |
721 | CATCH_SET(TRUE); |
1ce6579f |
722 | SWITCHSTACK(curstack, sortstack); |
a0d0e21e |
723 | if (sortstash != stash) { |
724 | firstgv = gv_fetchpv("a", TRUE, SVt_PV); |
725 | secondgv = gv_fetchpv("b", TRUE, SVt_PV); |
726 | sortstash = stash; |
727 | } |
728 | |
729 | SAVESPTR(GvSV(firstgv)); |
730 | SAVESPTR(GvSV(secondgv)); |
b3933176 |
731 | |
0a753a76 |
732 | PUSHBLOCK(cx, CXt_NULL, stack_base); |
b3933176 |
733 | if (!(op->op_flags & OPf_SPECIAL)) { |
734 | bool hasargs = FALSE; |
735 | cx->cx_type = CXt_SUB; |
736 | cx->blk_gimme = G_SCALAR; |
737 | PUSHSUB(cx); |
738 | if (!CvDEPTH(cv)) |
3e3baf6d |
739 | (void)SvREFCNT_inc(cv); /* in preparation for POPSUB */ |
b3933176 |
740 | } |
a0d0e21e |
741 | sortcxix = cxstack_ix; |
742 | |
743 | qsort((char*)(myorigmark+1), max, sizeof(SV*), sortcv); |
744 | |
745 | POPBLOCK(cx,curpm); |
746 | SWITCHSTACK(sortstack, oldstack); |
54310121 |
747 | CATCH_SET(oldcatch); |
a0d0e21e |
748 | } |
749 | LEAVE; |
750 | } |
751 | else { |
752 | if (max > 1) { |
753 | MEXTEND(SP, 20); /* Can't afford stack realloc on signal. */ |
bbce6d69 |
754 | qsort((char*)(ORIGMARK+1), max, sizeof(SV*), |
755 | (op->op_private & OPpLOCALE) ? sortcmp_locale : sortcmp); |
a0d0e21e |
756 | } |
757 | } |
758 | stack_sp = ORIGMARK + max; |
759 | return nextop; |
760 | } |
761 | |
762 | /* Range stuff. */ |
763 | |
764 | PP(pp_range) |
765 | { |
766 | if (GIMME == G_ARRAY) |
767 | return cCONDOP->op_true; |
768 | return SvTRUEx(PAD_SV(op->op_targ)) ? cCONDOP->op_false : cCONDOP->op_true; |
769 | } |
770 | |
771 | PP(pp_flip) |
772 | { |
4e35701f |
773 | djSP; |
a0d0e21e |
774 | |
775 | if (GIMME == G_ARRAY) { |
776 | RETURNOP(((CONDOP*)cUNOP->op_first)->op_false); |
777 | } |
778 | else { |
779 | dTOPss; |
780 | SV *targ = PAD_SV(op->op_targ); |
781 | |
782 | if ((op->op_private & OPpFLIP_LINENUM) |
783 | ? last_in_gv && SvIV(sv) == IoLINES(GvIOp(last_in_gv)) |
784 | : SvTRUE(sv) ) { |
785 | sv_setiv(PAD_SV(cUNOP->op_first->op_targ), 1); |
786 | if (op->op_flags & OPf_SPECIAL) { |
787 | sv_setiv(targ, 1); |
3e3baf6d |
788 | SETs(targ); |
a0d0e21e |
789 | RETURN; |
790 | } |
791 | else { |
792 | sv_setiv(targ, 0); |
793 | sp--; |
794 | RETURNOP(((CONDOP*)cUNOP->op_first)->op_false); |
795 | } |
796 | } |
797 | sv_setpv(TARG, ""); |
798 | SETs(targ); |
799 | RETURN; |
800 | } |
801 | } |
802 | |
803 | PP(pp_flop) |
804 | { |
4e35701f |
805 | djSP; |
a0d0e21e |
806 | |
807 | if (GIMME == G_ARRAY) { |
808 | dPOPPOPssrl; |
809 | register I32 i; |
810 | register SV *sv; |
811 | I32 max; |
812 | |
4633a7c4 |
813 | if (SvNIOKp(left) || !SvPOKp(left) || |
bbce6d69 |
814 | (looks_like_number(left) && *SvPVX(left) != '0') ) |
815 | { |
a0d0e21e |
816 | i = SvIV(left); |
817 | max = SvIV(right); |
bbce6d69 |
818 | if (max >= i) { |
819 | EXTEND_MORTAL(max - i + 1); |
a0d0e21e |
820 | EXTEND(SP, max - i + 1); |
bbce6d69 |
821 | } |
a0d0e21e |
822 | while (i <= max) { |
bbce6d69 |
823 | sv = sv_2mortal(newSViv(i++)); |
a0d0e21e |
824 | PUSHs(sv); |
825 | } |
826 | } |
827 | else { |
828 | SV *final = sv_mortalcopy(right); |
829 | STRLEN len; |
830 | char *tmps = SvPV(final, len); |
831 | |
832 | sv = sv_mortalcopy(left); |
4633a7c4 |
833 | while (!SvNIOKp(sv) && SvCUR(sv) <= len && |
a0d0e21e |
834 | strNE(SvPVX(sv),tmps) ) { |
835 | XPUSHs(sv); |
836 | sv = sv_2mortal(newSVsv(sv)); |
837 | sv_inc(sv); |
838 | } |
839 | if (strEQ(SvPVX(sv),tmps)) |
840 | XPUSHs(sv); |
841 | } |
842 | } |
843 | else { |
844 | dTOPss; |
845 | SV *targ = PAD_SV(cUNOP->op_first->op_targ); |
846 | sv_inc(targ); |
847 | if ((op->op_private & OPpFLIP_LINENUM) |
848 | ? last_in_gv && SvIV(sv) == IoLINES(GvIOp(last_in_gv)) |
849 | : SvTRUE(sv) ) { |
850 | sv_setiv(PAD_SV(((UNOP*)cUNOP->op_first)->op_first->op_targ), 0); |
851 | sv_catpv(targ, "E0"); |
852 | } |
853 | SETs(targ); |
854 | } |
855 | |
856 | RETURN; |
857 | } |
858 | |
859 | /* Control. */ |
860 | |
861 | static I32 |
8ac85365 |
862 | dopoptolabel(char *label) |
a0d0e21e |
863 | { |
11343788 |
864 | dTHR; |
a0d0e21e |
865 | register I32 i; |
c09156bb |
866 | register PERL_CONTEXT *cx; |
a0d0e21e |
867 | |
868 | for (i = cxstack_ix; i >= 0; i--) { |
869 | cx = &cxstack[i]; |
870 | switch (cx->cx_type) { |
871 | case CXt_SUBST: |
872 | if (dowarn) |
873 | warn("Exiting substitution via %s", op_name[op->op_type]); |
874 | break; |
875 | case CXt_SUB: |
876 | if (dowarn) |
877 | warn("Exiting subroutine via %s", op_name[op->op_type]); |
878 | break; |
879 | case CXt_EVAL: |
880 | if (dowarn) |
881 | warn("Exiting eval via %s", op_name[op->op_type]); |
882 | break; |
0a753a76 |
883 | case CXt_NULL: |
884 | if (dowarn) |
885 | warn("Exiting pseudo-block via %s", op_name[op->op_type]); |
886 | return -1; |
a0d0e21e |
887 | case CXt_LOOP: |
888 | if (!cx->blk_loop.label || |
889 | strNE(label, cx->blk_loop.label) ) { |
68dc0745 |
890 | DEBUG_l(deb("(Skipping label #%ld %s)\n", |
891 | (long)i, cx->blk_loop.label)); |
a0d0e21e |
892 | continue; |
893 | } |
68dc0745 |
894 | DEBUG_l( deb("(Found label #%ld %s)\n", (long)i, label)); |
a0d0e21e |
895 | return i; |
896 | } |
897 | } |
898 | return i; |
899 | } |
900 | |
e50aee73 |
901 | I32 |
8ac85365 |
902 | dowantarray(void) |
e50aee73 |
903 | { |
54310121 |
904 | I32 gimme = block_gimme(); |
905 | return (gimme == G_VOID) ? G_SCALAR : gimme; |
906 | } |
907 | |
908 | I32 |
8ac85365 |
909 | block_gimme(void) |
54310121 |
910 | { |
11343788 |
911 | dTHR; |
e50aee73 |
912 | I32 cxix; |
913 | |
914 | cxix = dopoptosub(cxstack_ix); |
915 | if (cxix < 0) |
46fc3d4c |
916 | return G_VOID; |
e50aee73 |
917 | |
54310121 |
918 | switch (cxstack[cxix].blk_gimme) { |
54310121 |
919 | case G_SCALAR: |
e50aee73 |
920 | return G_SCALAR; |
54310121 |
921 | case G_ARRAY: |
922 | return G_ARRAY; |
923 | default: |
924 | croak("panic: bad gimme: %d\n", cxstack[cxix].blk_gimme); |
4e35701f |
925 | case G_VOID: |
926 | return G_VOID; |
54310121 |
927 | } |
e50aee73 |
928 | } |
929 | |
a0d0e21e |
930 | static I32 |
8ac85365 |
931 | dopoptosub(I32 startingblock) |
a0d0e21e |
932 | { |
11343788 |
933 | dTHR; |
a0d0e21e |
934 | I32 i; |
c09156bb |
935 | register PERL_CONTEXT *cx; |
a0d0e21e |
936 | for (i = startingblock; i >= 0; i--) { |
937 | cx = &cxstack[i]; |
938 | switch (cx->cx_type) { |
939 | default: |
940 | continue; |
941 | case CXt_EVAL: |
942 | case CXt_SUB: |
68dc0745 |
943 | DEBUG_l( deb("(Found sub #%ld)\n", (long)i)); |
a0d0e21e |
944 | return i; |
945 | } |
946 | } |
947 | return i; |
948 | } |
949 | |
950 | static I32 |
8ac85365 |
951 | dopoptoeval(I32 startingblock) |
a0d0e21e |
952 | { |
11343788 |
953 | dTHR; |
a0d0e21e |
954 | I32 i; |
c09156bb |
955 | register PERL_CONTEXT *cx; |
a0d0e21e |
956 | for (i = startingblock; i >= 0; i--) { |
957 | cx = &cxstack[i]; |
958 | switch (cx->cx_type) { |
959 | default: |
960 | continue; |
961 | case CXt_EVAL: |
68dc0745 |
962 | DEBUG_l( deb("(Found eval #%ld)\n", (long)i)); |
a0d0e21e |
963 | return i; |
964 | } |
965 | } |
966 | return i; |
967 | } |
968 | |
969 | static I32 |
8ac85365 |
970 | dopoptoloop(I32 startingblock) |
a0d0e21e |
971 | { |
11343788 |
972 | dTHR; |
a0d0e21e |
973 | I32 i; |
c09156bb |
974 | register PERL_CONTEXT *cx; |
a0d0e21e |
975 | for (i = startingblock; i >= 0; i--) { |
976 | cx = &cxstack[i]; |
977 | switch (cx->cx_type) { |
978 | case CXt_SUBST: |
979 | if (dowarn) |
5f05dabc |
980 | warn("Exiting substitution via %s", op_name[op->op_type]); |
a0d0e21e |
981 | break; |
982 | case CXt_SUB: |
983 | if (dowarn) |
984 | warn("Exiting subroutine via %s", op_name[op->op_type]); |
985 | break; |
986 | case CXt_EVAL: |
987 | if (dowarn) |
988 | warn("Exiting eval via %s", op_name[op->op_type]); |
989 | break; |
0a753a76 |
990 | case CXt_NULL: |
991 | if (dowarn) |
992 | warn("Exiting pseudo-block via %s", op_name[op->op_type]); |
993 | return -1; |
a0d0e21e |
994 | case CXt_LOOP: |
68dc0745 |
995 | DEBUG_l( deb("(Found loop #%ld)\n", (long)i)); |
a0d0e21e |
996 | return i; |
997 | } |
998 | } |
999 | return i; |
1000 | } |
1001 | |
1002 | void |
8ac85365 |
1003 | dounwind(I32 cxix) |
a0d0e21e |
1004 | { |
11343788 |
1005 | dTHR; |
c09156bb |
1006 | register PERL_CONTEXT *cx; |
a0d0e21e |
1007 | SV **newsp; |
1008 | I32 optype; |
1009 | |
1010 | while (cxstack_ix > cxix) { |
c90c0ff4 |
1011 | cx = &cxstack[cxstack_ix]; |
1012 | DEBUG_l(PerlIO_printf(Perl_debug_log, "Unwinding block %ld, type %s\n", |
1013 | (long) cxstack_ix+1, block_type[cx->cx_type])); |
a0d0e21e |
1014 | /* Note: we don't need to restore the base context info till the end. */ |
1015 | switch (cx->cx_type) { |
c90c0ff4 |
1016 | case CXt_SUBST: |
1017 | POPSUBST(cx); |
1018 | continue; /* not break */ |
a0d0e21e |
1019 | case CXt_SUB: |
1020 | POPSUB(cx); |
1021 | break; |
1022 | case CXt_EVAL: |
1023 | POPEVAL(cx); |
1024 | break; |
1025 | case CXt_LOOP: |
1026 | POPLOOP(cx); |
1027 | break; |
0a753a76 |
1028 | case CXt_NULL: |
a0d0e21e |
1029 | break; |
1030 | } |
c90c0ff4 |
1031 | cxstack_ix--; |
a0d0e21e |
1032 | } |
1033 | } |
1034 | |
a0d0e21e |
1035 | OP * |
8ac85365 |
1036 | die_where(char *message) |
a0d0e21e |
1037 | { |
11343788 |
1038 | dTHR; |
a0d0e21e |
1039 | if (in_eval) { |
1040 | I32 cxix; |
c09156bb |
1041 | register PERL_CONTEXT *cx; |
a0d0e21e |
1042 | I32 gimme; |
1043 | SV **newsp; |
1044 | |
4633a7c4 |
1045 | if (in_eval & 4) { |
1046 | SV **svp; |
1047 | STRLEN klen = strlen(message); |
1048 | |
38a03e6e |
1049 | svp = hv_fetch(ERRHV, message, klen, TRUE); |
4633a7c4 |
1050 | if (svp) { |
1051 | if (!SvIOK(*svp)) { |
1052 | static char prefix[] = "\t(in cleanup) "; |
e41fc98b |
1053 | SV *err = ERRSV; |
4633a7c4 |
1054 | sv_upgrade(*svp, SVt_IV); |
1055 | (void)SvIOK_only(*svp); |
e41fc98b |
1056 | if (!SvPOK(err)) |
1057 | sv_setpv(err,""); |
1058 | SvGROW(err, SvCUR(err)+sizeof(prefix)+klen); |
1059 | sv_catpvn(err, prefix, sizeof(prefix)-1); |
1060 | sv_catpvn(err, message, klen); |
4633a7c4 |
1061 | } |
1062 | sv_inc(*svp); |
1063 | } |
1064 | } |
1065 | else |
38a03e6e |
1066 | sv_setpv(ERRSV, message); |
4633a7c4 |
1067 | |
a0d0e21e |
1068 | cxix = dopoptoeval(cxstack_ix); |
1069 | if (cxix >= 0) { |
1070 | I32 optype; |
1071 | |
1072 | if (cxix < cxstack_ix) |
1073 | dounwind(cxix); |
1074 | |
1075 | POPBLOCK(cx,curpm); |
1076 | if (cx->cx_type != CXt_EVAL) { |
760ac839 |
1077 | PerlIO_printf(PerlIO_stderr(), "panic: die %s", message); |
a0d0e21e |
1078 | my_exit(1); |
1079 | } |
1080 | POPEVAL(cx); |
1081 | |
1082 | if (gimme == G_SCALAR) |
1083 | *++newsp = &sv_undef; |
1084 | stack_sp = newsp; |
1085 | |
1086 | LEAVE; |
748a9306 |
1087 | |
7a2e2cd6 |
1088 | if (optype == OP_REQUIRE) { |
38a03e6e |
1089 | char* msg = SvPVx(ERRSV, na); |
7a2e2cd6 |
1090 | DIE("%s", *msg ? msg : "Compilation failed in require"); |
1091 | } |
a0d0e21e |
1092 | return pop_return(); |
1093 | } |
1094 | } |
760ac839 |
1095 | PerlIO_printf(PerlIO_stderr(), "%s",message); |
1096 | PerlIO_flush(PerlIO_stderr()); |
f86702cc |
1097 | my_failure_exit(); |
1098 | /* NOTREACHED */ |
a0d0e21e |
1099 | return 0; |
1100 | } |
1101 | |
1102 | PP(pp_xor) |
1103 | { |
4e35701f |
1104 | djSP; dPOPTOPssrl; |
a0d0e21e |
1105 | if (SvTRUE(left) != SvTRUE(right)) |
1106 | RETSETYES; |
1107 | else |
1108 | RETSETNO; |
1109 | } |
1110 | |
1111 | PP(pp_andassign) |
1112 | { |
4e35701f |
1113 | djSP; |
a0d0e21e |
1114 | if (!SvTRUE(TOPs)) |
1115 | RETURN; |
1116 | else |
1117 | RETURNOP(cLOGOP->op_other); |
1118 | } |
1119 | |
1120 | PP(pp_orassign) |
1121 | { |
4e35701f |
1122 | djSP; |
a0d0e21e |
1123 | if (SvTRUE(TOPs)) |
1124 | RETURN; |
1125 | else |
1126 | RETURNOP(cLOGOP->op_other); |
1127 | } |
1128 | |
a0d0e21e |
1129 | PP(pp_caller) |
1130 | { |
4e35701f |
1131 | djSP; |
a0d0e21e |
1132 | register I32 cxix = dopoptosub(cxstack_ix); |
c09156bb |
1133 | register PERL_CONTEXT *cx; |
a0d0e21e |
1134 | I32 dbcxix; |
54310121 |
1135 | I32 gimme; |
a0d0e21e |
1136 | SV *sv; |
1137 | I32 count = 0; |
1138 | |
1139 | if (MAXARG) |
1140 | count = POPi; |
1141 | EXTEND(SP, 6); |
1142 | for (;;) { |
1143 | if (cxix < 0) { |
1144 | if (GIMME != G_ARRAY) |
1145 | RETPUSHUNDEF; |
1146 | RETURN; |
1147 | } |
1148 | if (DBsub && cxix >= 0 && |
1149 | cxstack[cxix].blk_sub.cv == GvCV(DBsub)) |
1150 | count++; |
1151 | if (!count--) |
1152 | break; |
1153 | cxix = dopoptosub(cxix - 1); |
1154 | } |
1155 | cx = &cxstack[cxix]; |
06a5b730 |
1156 | if (cxstack[cxix].cx_type == CXt_SUB) { |
1157 | dbcxix = dopoptosub(cxix - 1); |
1158 | /* We expect that cxstack[dbcxix] is CXt_SUB, anyway, the |
1159 | field below is defined for any cx. */ |
1160 | if (DBsub && dbcxix >= 0 && cxstack[dbcxix].blk_sub.cv == GvCV(DBsub)) |
1161 | cx = &cxstack[dbcxix]; |
1162 | } |
1163 | |
a0d0e21e |
1164 | if (GIMME != G_ARRAY) { |
1165 | dTARGET; |
1166 | |
1167 | sv_setpv(TARG, HvNAME(cx->blk_oldcop->cop_stash)); |
1168 | PUSHs(TARG); |
1169 | RETURN; |
1170 | } |
a0d0e21e |
1171 | |
1172 | PUSHs(sv_2mortal(newSVpv(HvNAME(cx->blk_oldcop->cop_stash), 0))); |
1173 | PUSHs(sv_2mortal(newSVpv(SvPVX(GvSV(cx->blk_oldcop->cop_filegv)), 0))); |
1174 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_oldcop->cop_line))); |
1175 | if (!MAXARG) |
1176 | RETURN; |
06a5b730 |
1177 | if (cx->cx_type == CXt_SUB) { /* So is cxstack[dbcxix]. */ |
a0d0e21e |
1178 | sv = NEWSV(49, 0); |
e5cf08de |
1179 | gv_efullname3(sv, CvGV(cxstack[cxix].blk_sub.cv), Nullch); |
a0d0e21e |
1180 | PUSHs(sv_2mortal(sv)); |
1181 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_sub.hasargs))); |
1182 | } |
1183 | else { |
1184 | PUSHs(sv_2mortal(newSVpv("(eval)",0))); |
1185 | PUSHs(sv_2mortal(newSViv(0))); |
1186 | } |
54310121 |
1187 | gimme = (I32)cx->blk_gimme; |
1188 | if (gimme == G_VOID) |
1189 | PUSHs(&sv_undef); |
1190 | else |
1191 | PUSHs(sv_2mortal(newSViv(gimme & G_ARRAY))); |
4633a7c4 |
1192 | if (cx->cx_type == CXt_EVAL) { |
06a5b730 |
1193 | if (cx->blk_eval.old_op_type == OP_ENTEREVAL) { |
4633a7c4 |
1194 | PUSHs(cx->blk_eval.cur_text); |
06a5b730 |
1195 | PUSHs(&sv_no); |
1196 | } |
1197 | else if (cx->blk_eval.old_name) { /* Try blocks have old_name == 0. */ |
1198 | /* Require, put the name. */ |
1199 | PUSHs(sv_2mortal(newSVpv(cx->blk_eval.old_name, 0))); |
1200 | PUSHs(&sv_yes); |
1201 | } |
4633a7c4 |
1202 | } |
1203 | else if (cx->cx_type == CXt_SUB && |
1204 | cx->blk_sub.hasargs && |
1205 | curcop->cop_stash == debstash) |
1206 | { |
a0d0e21e |
1207 | AV *ary = cx->blk_sub.argarray; |
1208 | int off = AvARRAY(ary) - AvALLOC(ary); |
1209 | |
1210 | if (!dbargs) { |
1211 | GV* tmpgv; |
1212 | dbargs = GvAV(gv_AVadd(tmpgv = gv_fetchpv("DB::args", TRUE, |
1213 | SVt_PVAV))); |
a5f75d66 |
1214 | GvMULTI_on(tmpgv); |
a0d0e21e |
1215 | AvREAL_off(dbargs); /* XXX Should be REIFY */ |
1216 | } |
1217 | |
1218 | if (AvMAX(dbargs) < AvFILL(ary) + off) |
1219 | av_extend(dbargs, AvFILL(ary) + off); |
1220 | Copy(AvALLOC(ary), AvARRAY(dbargs), AvFILL(ary) + 1 + off, SV*); |
1221 | AvFILL(dbargs) = AvFILL(ary) + off; |
1222 | } |
1223 | RETURN; |
1224 | } |
1225 | |
1226 | static int |
8ac85365 |
1227 | sortcv(const void *a, const void *b) |
a0d0e21e |
1228 | { |
11343788 |
1229 | dTHR; |
9607fc9c |
1230 | SV * const *str1 = (SV * const *)a; |
1231 | SV * const *str2 = (SV * const *)b; |
748a9306 |
1232 | I32 oldsaveix = savestack_ix; |
a0d0e21e |
1233 | I32 oldscopeix = scopestack_ix; |
1234 | I32 result; |
1235 | GvSV(firstgv) = *str1; |
1236 | GvSV(secondgv) = *str2; |
1237 | stack_sp = stack_base; |
1238 | op = sortcop; |
a6c477ed |
1239 | runops(); |
a0d0e21e |
1240 | if (stack_sp != stack_base + 1) |
1241 | croak("Sort subroutine didn't return single value"); |
748a9306 |
1242 | if (!SvNIOKp(*stack_sp)) |
a0d0e21e |
1243 | croak("Sort subroutine didn't return a numeric value"); |
1244 | result = SvIV(*stack_sp); |
1245 | while (scopestack_ix > oldscopeix) { |
1246 | LEAVE; |
1247 | } |
748a9306 |
1248 | leave_scope(oldsaveix); |
a0d0e21e |
1249 | return result; |
1250 | } |
1251 | |
1252 | static int |
8ac85365 |
1253 | sortcmp(const void *a, const void *b) |
a0d0e21e |
1254 | { |
9607fc9c |
1255 | return sv_cmp(*(SV * const *)a, *(SV * const *)b); |
bbce6d69 |
1256 | } |
e5cf08de |
1257 | |
bbce6d69 |
1258 | static int |
8ac85365 |
1259 | sortcmp_locale(const void *a, const void *b) |
bbce6d69 |
1260 | { |
9607fc9c |
1261 | return sv_cmp_locale(*(SV * const *)a, *(SV * const *)b); |
a0d0e21e |
1262 | } |
1263 | |
1264 | PP(pp_reset) |
1265 | { |
4e35701f |
1266 | djSP; |
a0d0e21e |
1267 | char *tmps; |
1268 | |
1269 | if (MAXARG < 1) |
1270 | tmps = ""; |
1271 | else |
1272 | tmps = POPp; |
1273 | sv_reset(tmps, curcop->cop_stash); |
1274 | PUSHs(&sv_yes); |
1275 | RETURN; |
1276 | } |
1277 | |
1278 | PP(pp_lineseq) |
1279 | { |
1280 | return NORMAL; |
1281 | } |
1282 | |
1283 | PP(pp_dbstate) |
1284 | { |
1285 | curcop = (COP*)op; |
1286 | TAINT_NOT; /* Each statement is presumed innocent */ |
1287 | stack_sp = stack_base + cxstack[cxstack_ix].blk_oldsp; |
1288 | FREETMPS; |
1289 | |
1290 | if (op->op_private || SvIV(DBsingle) || SvIV(DBsignal) || SvIV(DBtrace)) |
1291 | { |
1292 | SV **sp; |
1293 | register CV *cv; |
c09156bb |
1294 | register PERL_CONTEXT *cx; |
748a9306 |
1295 | I32 gimme = G_ARRAY; |
a0d0e21e |
1296 | I32 hasargs; |
1297 | GV *gv; |
1298 | |
a0d0e21e |
1299 | gv = DBgv; |
1300 | cv = GvCV(gv); |
a0d0e21e |
1301 | if (!cv) |
1302 | DIE("No DB::DB routine defined"); |
1303 | |
06a5b730 |
1304 | if (CvDEPTH(cv) >= 1 && !(debug & (1<<30))) /* don't do recursive DB::DB call */ |
a0d0e21e |
1305 | return NORMAL; |
748a9306 |
1306 | |
4633a7c4 |
1307 | ENTER; |
1308 | SAVETMPS; |
1309 | |
748a9306 |
1310 | SAVEI32(debug); |
55497cff |
1311 | SAVESTACK_POS(); |
748a9306 |
1312 | debug = 0; |
1313 | hasargs = 0; |
1314 | sp = stack_sp; |
1315 | |
a0d0e21e |
1316 | push_return(op->op_next); |
748a9306 |
1317 | PUSHBLOCK(cx, CXt_SUB, sp); |
a0d0e21e |
1318 | PUSHSUB(cx); |
1319 | CvDEPTH(cv)++; |
1320 | (void)SvREFCNT_inc(cv); |
1321 | SAVESPTR(curpad); |
1322 | curpad = AvARRAY((AV*)*av_fetch(CvPADLIST(cv),1,FALSE)); |
1323 | RETURNOP(CvSTART(cv)); |
1324 | } |
1325 | else |
1326 | return NORMAL; |
1327 | } |
1328 | |
1329 | PP(pp_scope) |
1330 | { |
1331 | return NORMAL; |
1332 | } |
1333 | |
1334 | PP(pp_enteriter) |
1335 | { |
4e35701f |
1336 | djSP; dMARK; |
c09156bb |
1337 | register PERL_CONTEXT *cx; |
54310121 |
1338 | I32 gimme = GIMME_V; |
a0d0e21e |
1339 | SV **svp; |
1340 | |
4633a7c4 |
1341 | ENTER; |
1342 | SAVETMPS; |
1343 | |
54b9620d |
1344 | #ifdef USE_THREADS |
1345 | if (op->op_flags & OPf_SPECIAL) |
1346 | svp = save_threadsv(op->op_targ); /* per-thread variable */ |
a0d0e21e |
1347 | else |
54b9620d |
1348 | #endif /* USE_THREADS */ |
1349 | if (op->op_targ) { |
1350 | svp = &curpad[op->op_targ]; /* "my" variable */ |
1351 | SAVESPTR(*svp); |
1352 | } |
1353 | else { |
a0d0e21e |
1354 | svp = &GvSV((GV*)POPs); /* symbol table variable */ |
54b9620d |
1355 | SAVESPTR(*svp); |
1356 | } |
4633a7c4 |
1357 | |
a0d0e21e |
1358 | ENTER; |
1359 | |
1360 | PUSHBLOCK(cx, CXt_LOOP, SP); |
1361 | PUSHLOOP(cx, svp, MARK); |
44a8e56a |
1362 | if (op->op_flags & OPf_STACKED) |
1363 | cx->blk_loop.iterary = (AV*)SvREFCNT_inc(POPs); |
4633a7c4 |
1364 | else { |
1ce6579f |
1365 | cx->blk_loop.iterary = curstack; |
1366 | AvFILL(curstack) = sp - stack_base; |
4633a7c4 |
1367 | cx->blk_loop.iterix = MARK - stack_base; |
1368 | } |
a0d0e21e |
1369 | |
1370 | RETURN; |
1371 | } |
1372 | |
1373 | PP(pp_enterloop) |
1374 | { |
4e35701f |
1375 | djSP; |
c09156bb |
1376 | register PERL_CONTEXT *cx; |
54310121 |
1377 | I32 gimme = GIMME_V; |
a0d0e21e |
1378 | |
1379 | ENTER; |
1380 | SAVETMPS; |
1381 | ENTER; |
1382 | |
1383 | PUSHBLOCK(cx, CXt_LOOP, SP); |
1384 | PUSHLOOP(cx, 0, SP); |
1385 | |
1386 | RETURN; |
1387 | } |
1388 | |
1389 | PP(pp_leaveloop) |
1390 | { |
4e35701f |
1391 | djSP; |
c09156bb |
1392 | register PERL_CONTEXT *cx; |
f86702cc |
1393 | struct block_loop cxloop; |
a0d0e21e |
1394 | I32 gimme; |
1395 | SV **newsp; |
1396 | PMOP *newpm; |
1397 | SV **mark; |
1398 | |
1399 | POPBLOCK(cx,newpm); |
4fdae800 |
1400 | mark = newsp; |
f86702cc |
1401 | POPLOOP1(cx); /* Delay POPLOOP2 until stack values are safe */ |
1402 | |
a1f49e72 |
1403 | TAINT_NOT; |
54310121 |
1404 | if (gimme == G_VOID) |
1405 | ; /* do nothing */ |
1406 | else if (gimme == G_SCALAR) { |
1407 | if (mark < SP) |
1408 | *++newsp = sv_mortalcopy(*SP); |
1409 | else |
1410 | *++newsp = &sv_undef; |
a0d0e21e |
1411 | } |
1412 | else { |
a1f49e72 |
1413 | while (mark < SP) { |
a0d0e21e |
1414 | *++newsp = sv_mortalcopy(*++mark); |
a1f49e72 |
1415 | TAINT_NOT; /* Each item is independent */ |
1416 | } |
a0d0e21e |
1417 | } |
f86702cc |
1418 | SP = newsp; |
1419 | PUTBACK; |
1420 | |
1421 | POPLOOP2(); /* Stack values are safe: release loop vars ... */ |
1422 | curpm = newpm; /* ... and pop $1 et al */ |
1423 | |
a0d0e21e |
1424 | LEAVE; |
1425 | LEAVE; |
1426 | |
f86702cc |
1427 | return NORMAL; |
a0d0e21e |
1428 | } |
1429 | |
1430 | PP(pp_return) |
1431 | { |
4e35701f |
1432 | djSP; dMARK; |
a0d0e21e |
1433 | I32 cxix; |
c09156bb |
1434 | register PERL_CONTEXT *cx; |
f86702cc |
1435 | struct block_sub cxsub; |
1436 | bool popsub2 = FALSE; |
a0d0e21e |
1437 | I32 gimme; |
1438 | SV **newsp; |
1439 | PMOP *newpm; |
1440 | I32 optype = 0; |
1441 | |
1ce6579f |
1442 | if (curstack == sortstack) { |
b3933176 |
1443 | if (cxstack_ix == sortcxix || dopoptosub(cxstack_ix) <= sortcxix) { |
16d20bd9 |
1444 | if (cxstack_ix > sortcxix) |
1445 | dounwind(sortcxix); |
1ce6579f |
1446 | AvARRAY(curstack)[1] = *SP; |
a0d0e21e |
1447 | stack_sp = stack_base + 1; |
1448 | return 0; |
1449 | } |
1450 | } |
1451 | |
1452 | cxix = dopoptosub(cxstack_ix); |
1453 | if (cxix < 0) |
1454 | DIE("Can't return outside a subroutine"); |
1455 | if (cxix < cxstack_ix) |
1456 | dounwind(cxix); |
1457 | |
1458 | POPBLOCK(cx,newpm); |
1459 | switch (cx->cx_type) { |
1460 | case CXt_SUB: |
f86702cc |
1461 | POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */ |
1462 | popsub2 = TRUE; |
a0d0e21e |
1463 | break; |
1464 | case CXt_EVAL: |
1465 | POPEVAL(cx); |
748a9306 |
1466 | if (optype == OP_REQUIRE && |
1467 | (MARK == SP || (gimme == G_SCALAR && !SvTRUE(*SP))) ) |
1468 | { |
54310121 |
1469 | /* Unassume the success we assumed earlier. */ |
748a9306 |
1470 | char *name = cx->blk_eval.old_name; |
1471 | (void)hv_delete(GvHVn(incgv), name, strlen(name), G_DISCARD); |
1472 | DIE("%s did not return a true value", name); |
1473 | } |
a0d0e21e |
1474 | break; |
1475 | default: |
1476 | DIE("panic: return"); |
a0d0e21e |
1477 | } |
1478 | |
a1f49e72 |
1479 | TAINT_NOT; |
a0d0e21e |
1480 | if (gimme == G_SCALAR) { |
1481 | if (MARK < SP) |
f86702cc |
1482 | *++newsp = (popsub2 && SvTEMP(*SP)) |
1483 | ? *SP : sv_mortalcopy(*SP); |
a0d0e21e |
1484 | else |
1485 | *++newsp = &sv_undef; |
a0d0e21e |
1486 | } |
54310121 |
1487 | else if (gimme == G_ARRAY) { |
a1f49e72 |
1488 | while (++MARK <= SP) { |
f86702cc |
1489 | *++newsp = (popsub2 && SvTEMP(*MARK)) |
1490 | ? *MARK : sv_mortalcopy(*MARK); |
a1f49e72 |
1491 | TAINT_NOT; /* Each item is independent */ |
1492 | } |
a0d0e21e |
1493 | } |
a0d0e21e |
1494 | stack_sp = newsp; |
1495 | |
f86702cc |
1496 | /* Stack values are safe: */ |
1497 | if (popsub2) { |
1498 | POPSUB2(); /* release CV and @_ ... */ |
1499 | } |
1500 | curpm = newpm; /* ... and pop $1 et al */ |
1501 | |
a0d0e21e |
1502 | LEAVE; |
1503 | return pop_return(); |
1504 | } |
1505 | |
1506 | PP(pp_last) |
1507 | { |
4e35701f |
1508 | djSP; |
a0d0e21e |
1509 | I32 cxix; |
c09156bb |
1510 | register PERL_CONTEXT *cx; |
f86702cc |
1511 | struct block_loop cxloop; |
1512 | struct block_sub cxsub; |
1513 | I32 pop2 = 0; |
a0d0e21e |
1514 | I32 gimme; |
1515 | I32 optype; |
1516 | OP *nextop; |
1517 | SV **newsp; |
1518 | PMOP *newpm; |
1519 | SV **mark = stack_base + cxstack[cxstack_ix].blk_oldsp; |
a0d0e21e |
1520 | |
1521 | if (op->op_flags & OPf_SPECIAL) { |
1522 | cxix = dopoptoloop(cxstack_ix); |
1523 | if (cxix < 0) |
1524 | DIE("Can't \"last\" outside a block"); |
1525 | } |
1526 | else { |
1527 | cxix = dopoptolabel(cPVOP->op_pv); |
1528 | if (cxix < 0) |
1529 | DIE("Label not found for \"last %s\"", cPVOP->op_pv); |
1530 | } |
1531 | if (cxix < cxstack_ix) |
1532 | dounwind(cxix); |
1533 | |
1534 | POPBLOCK(cx,newpm); |
1535 | switch (cx->cx_type) { |
1536 | case CXt_LOOP: |
f86702cc |
1537 | POPLOOP1(cx); /* Delay POPLOOP2 until stack values are safe */ |
1538 | pop2 = CXt_LOOP; |
4fdae800 |
1539 | nextop = cxloop.last_op->op_next; |
a0d0e21e |
1540 | break; |
f86702cc |
1541 | case CXt_SUB: |
1542 | POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */ |
1543 | pop2 = CXt_SUB; |
a0d0e21e |
1544 | nextop = pop_return(); |
1545 | break; |
f86702cc |
1546 | case CXt_EVAL: |
1547 | POPEVAL(cx); |
a0d0e21e |
1548 | nextop = pop_return(); |
1549 | break; |
1550 | default: |
1551 | DIE("panic: last"); |
a0d0e21e |
1552 | } |
1553 | |
a1f49e72 |
1554 | TAINT_NOT; |
a0d0e21e |
1555 | if (gimme == G_SCALAR) { |
f86702cc |
1556 | if (MARK < SP) |
1557 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*SP)) |
1558 | ? *SP : sv_mortalcopy(*SP); |
a0d0e21e |
1559 | else |
1560 | *++newsp = &sv_undef; |
1561 | } |
54310121 |
1562 | else if (gimme == G_ARRAY) { |
a1f49e72 |
1563 | while (++MARK <= SP) { |
f86702cc |
1564 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*MARK)) |
1565 | ? *MARK : sv_mortalcopy(*MARK); |
a1f49e72 |
1566 | TAINT_NOT; /* Each item is independent */ |
1567 | } |
f86702cc |
1568 | } |
1569 | SP = newsp; |
1570 | PUTBACK; |
1571 | |
1572 | /* Stack values are safe: */ |
1573 | switch (pop2) { |
1574 | case CXt_LOOP: |
1575 | POPLOOP2(); /* release loop vars ... */ |
4fdae800 |
1576 | LEAVE; |
f86702cc |
1577 | break; |
1578 | case CXt_SUB: |
1579 | POPSUB2(); /* release CV and @_ ... */ |
1580 | break; |
a0d0e21e |
1581 | } |
f86702cc |
1582 | curpm = newpm; /* ... and pop $1 et al */ |
a0d0e21e |
1583 | |
1584 | LEAVE; |
f86702cc |
1585 | return nextop; |
a0d0e21e |
1586 | } |
1587 | |
1588 | PP(pp_next) |
1589 | { |
1590 | I32 cxix; |
c09156bb |
1591 | register PERL_CONTEXT *cx; |
a0d0e21e |
1592 | I32 oldsave; |
1593 | |
1594 | if (op->op_flags & OPf_SPECIAL) { |
1595 | cxix = dopoptoloop(cxstack_ix); |
1596 | if (cxix < 0) |
1597 | DIE("Can't \"next\" outside a block"); |
1598 | } |
1599 | else { |
1600 | cxix = dopoptolabel(cPVOP->op_pv); |
1601 | if (cxix < 0) |
1602 | DIE("Label not found for \"next %s\"", cPVOP->op_pv); |
1603 | } |
1604 | if (cxix < cxstack_ix) |
1605 | dounwind(cxix); |
1606 | |
1607 | TOPBLOCK(cx); |
1608 | oldsave = scopestack[scopestack_ix - 1]; |
1609 | LEAVE_SCOPE(oldsave); |
1610 | return cx->blk_loop.next_op; |
1611 | } |
1612 | |
1613 | PP(pp_redo) |
1614 | { |
1615 | I32 cxix; |
c09156bb |
1616 | register PERL_CONTEXT *cx; |
a0d0e21e |
1617 | I32 oldsave; |
1618 | |
1619 | if (op->op_flags & OPf_SPECIAL) { |
1620 | cxix = dopoptoloop(cxstack_ix); |
1621 | if (cxix < 0) |
1622 | DIE("Can't \"redo\" outside a block"); |
1623 | } |
1624 | else { |
1625 | cxix = dopoptolabel(cPVOP->op_pv); |
1626 | if (cxix < 0) |
1627 | DIE("Label not found for \"redo %s\"", cPVOP->op_pv); |
1628 | } |
1629 | if (cxix < cxstack_ix) |
1630 | dounwind(cxix); |
1631 | |
1632 | TOPBLOCK(cx); |
1633 | oldsave = scopestack[scopestack_ix - 1]; |
1634 | LEAVE_SCOPE(oldsave); |
1635 | return cx->blk_loop.redo_op; |
1636 | } |
1637 | |
1638 | static OP* lastgotoprobe; |
1639 | |
1640 | static OP * |
8ac85365 |
1641 | dofindlabel(OP *o, char *label, OP **opstack, OP **oplimit) |
a0d0e21e |
1642 | { |
1643 | OP *kid; |
1644 | OP **ops = opstack; |
fc36a67e |
1645 | static char too_deep[] = "Target of goto is too deeply nested"; |
a0d0e21e |
1646 | |
fc36a67e |
1647 | if (ops >= oplimit) |
1648 | croak(too_deep); |
11343788 |
1649 | if (o->op_type == OP_LEAVE || |
1650 | o->op_type == OP_SCOPE || |
1651 | o->op_type == OP_LEAVELOOP || |
1652 | o->op_type == OP_LEAVETRY) |
fc36a67e |
1653 | { |
5dc0d613 |
1654 | *ops++ = cUNOPo->op_first; |
fc36a67e |
1655 | if (ops >= oplimit) |
1656 | croak(too_deep); |
1657 | } |
a0d0e21e |
1658 | *ops = 0; |
11343788 |
1659 | if (o->op_flags & OPf_KIDS) { |
a0d0e21e |
1660 | /* First try all the kids at this level, since that's likeliest. */ |
11343788 |
1661 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
a0d0e21e |
1662 | if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) && |
1663 | kCOP->cop_label && strEQ(kCOP->cop_label, label)) |
1664 | return kid; |
1665 | } |
11343788 |
1666 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
a0d0e21e |
1667 | if (kid == lastgotoprobe) |
1668 | continue; |
fc36a67e |
1669 | if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) && |
1670 | (ops == opstack || |
1671 | (ops[-1]->op_type != OP_NEXTSTATE && |
1672 | ops[-1]->op_type != OP_DBSTATE))) |
1673 | *ops++ = kid; |
5dc0d613 |
1674 | if (o = dofindlabel(kid, label, ops, oplimit)) |
11343788 |
1675 | return o; |
a0d0e21e |
1676 | } |
1677 | } |
1678 | *ops = 0; |
1679 | return 0; |
1680 | } |
1681 | |
1682 | PP(pp_dump) |
1683 | { |
1684 | return pp_goto(ARGS); |
1685 | /*NOTREACHED*/ |
1686 | } |
1687 | |
1688 | PP(pp_goto) |
1689 | { |
4e35701f |
1690 | djSP; |
a0d0e21e |
1691 | OP *retop = 0; |
1692 | I32 ix; |
c09156bb |
1693 | register PERL_CONTEXT *cx; |
fc36a67e |
1694 | #define GOTO_DEPTH 64 |
1695 | OP *enterops[GOTO_DEPTH]; |
a0d0e21e |
1696 | char *label; |
1697 | int do_dump = (op->op_type == OP_DUMP); |
1698 | |
1699 | label = 0; |
1700 | if (op->op_flags & OPf_STACKED) { |
1701 | SV *sv = POPs; |
1702 | |
1703 | /* This egregious kludge implements goto &subroutine */ |
1704 | if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) { |
1705 | I32 cxix; |
c09156bb |
1706 | register PERL_CONTEXT *cx; |
a0d0e21e |
1707 | CV* cv = (CV*)SvRV(sv); |
1708 | SV** mark; |
1709 | I32 items = 0; |
1710 | I32 oldsave; |
1711 | |
4aa0a1f7 |
1712 | if (!CvROOT(cv) && !CvXSUB(cv)) { |
1713 | if (CvGV(cv)) { |
1714 | SV *tmpstr = sv_newmortal(); |
e5cf08de |
1715 | gv_efullname3(tmpstr, CvGV(cv), Nullch); |
4aa0a1f7 |
1716 | DIE("Goto undefined subroutine &%s",SvPVX(tmpstr)); |
1717 | } |
1718 | DIE("Goto undefined subroutine"); |
1719 | } |
1720 | |
a0d0e21e |
1721 | /* First do some returnish stuff. */ |
1722 | cxix = dopoptosub(cxstack_ix); |
1723 | if (cxix < 0) |
1724 | DIE("Can't goto subroutine outside a subroutine"); |
1725 | if (cxix < cxstack_ix) |
1726 | dounwind(cxix); |
1727 | TOPBLOCK(cx); |
1728 | mark = stack_sp; |
1729 | if (cx->blk_sub.hasargs) { /* put @_ back onto stack */ |
1730 | AV* av = cx->blk_sub.argarray; |
1731 | |
1732 | items = AvFILL(av) + 1; |
1ce6579f |
1733 | stack_sp++; |
1734 | EXTEND(stack_sp, items); /* @_ could have been extended. */ |
1735 | Copy(AvARRAY(av), stack_sp, items, SV*); |
a0d0e21e |
1736 | stack_sp += items; |
6d4ff0d2 |
1737 | #ifndef USE_THREADS |
2c05e328 |
1738 | SvREFCNT_dec(GvAV(defgv)); |
a0d0e21e |
1739 | GvAV(defgv) = cx->blk_sub.savearray; |
6d4ff0d2 |
1740 | #endif /* USE_THREADS */ |
a0d0e21e |
1741 | AvREAL_off(av); |
4633a7c4 |
1742 | av_clear(av); |
a0d0e21e |
1743 | } |
1744 | if (!(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth)) |
1745 | SvREFCNT_dec(cx->blk_sub.cv); |
1746 | oldsave = scopestack[scopestack_ix - 1]; |
1747 | LEAVE_SCOPE(oldsave); |
1748 | |
1749 | /* Now do some callish stuff. */ |
1750 | SAVETMPS; |
1751 | if (CvXSUB(cv)) { |
1752 | if (CvOLDSTYLE(cv)) { |
ecfc5424 |
1753 | I32 (*fp3)_((int,int,int)); |
a0d0e21e |
1754 | while (sp > mark) { |
1755 | sp[1] = sp[0]; |
1756 | sp--; |
1757 | } |
ecfc5424 |
1758 | fp3 = (I32(*)_((int,int,int)))CvXSUB(cv); |
1759 | items = (*fp3)(CvXSUBANY(cv).any_i32, |
1760 | mark - stack_base + 1, |
1761 | items); |
a0d0e21e |
1762 | sp = stack_base + items; |
1763 | } |
1764 | else { |
1ce6579f |
1765 | stack_sp--; /* There is no cv arg. */ |
a0d0e21e |
1766 | (void)(*CvXSUB(cv))(cv); |
1767 | } |
1768 | LEAVE; |
1769 | return pop_return(); |
1770 | } |
1771 | else { |
1772 | AV* padlist = CvPADLIST(cv); |
1773 | SV** svp = AvARRAY(padlist); |
1774 | cx->blk_sub.cv = cv; |
1775 | cx->blk_sub.olddepth = CvDEPTH(cv); |
1776 | CvDEPTH(cv)++; |
1777 | if (CvDEPTH(cv) < 2) |
1778 | (void)SvREFCNT_inc(cv); |
1779 | else { /* save temporaries on recursion? */ |
1780 | if (CvDEPTH(cv) == 100 && dowarn) |
44a8e56a |
1781 | sub_crush_depth(cv); |
a0d0e21e |
1782 | if (CvDEPTH(cv) > AvFILL(padlist)) { |
1783 | AV *newpad = newAV(); |
4aa0a1f7 |
1784 | SV **oldpad = AvARRAY(svp[CvDEPTH(cv)-1]); |
a0d0e21e |
1785 | I32 ix = AvFILL((AV*)svp[1]); |
1786 | svp = AvARRAY(svp[0]); |
748a9306 |
1787 | for ( ;ix > 0; ix--) { |
a0d0e21e |
1788 | if (svp[ix] != &sv_undef) { |
748a9306 |
1789 | char *name = SvPVX(svp[ix]); |
5f05dabc |
1790 | if ((SvFLAGS(svp[ix]) & SVf_FAKE) |
1791 | || *name == '&') |
1792 | { |
1793 | /* outer lexical or anon code */ |
748a9306 |
1794 | av_store(newpad, ix, |
4aa0a1f7 |
1795 | SvREFCNT_inc(oldpad[ix]) ); |
748a9306 |
1796 | } |
1797 | else { /* our own lexical */ |
1798 | if (*name == '@') |
1799 | av_store(newpad, ix, sv = (SV*)newAV()); |
1800 | else if (*name == '%') |
1801 | av_store(newpad, ix, sv = (SV*)newHV()); |
1802 | else |
1803 | av_store(newpad, ix, sv = NEWSV(0,0)); |
1804 | SvPADMY_on(sv); |
1805 | } |
a0d0e21e |
1806 | } |
1807 | else { |
748a9306 |
1808 | av_store(newpad, ix, sv = NEWSV(0,0)); |
a0d0e21e |
1809 | SvPADTMP_on(sv); |
1810 | } |
1811 | } |
1812 | if (cx->blk_sub.hasargs) { |
1813 | AV* av = newAV(); |
1814 | av_extend(av, 0); |
1815 | av_store(newpad, 0, (SV*)av); |
1816 | AvFLAGS(av) = AVf_REIFY; |
1817 | } |
1818 | av_store(padlist, CvDEPTH(cv), (SV*)newpad); |
1819 | AvFILL(padlist) = CvDEPTH(cv); |
1820 | svp = AvARRAY(padlist); |
1821 | } |
1822 | } |
6d4ff0d2 |
1823 | #ifdef USE_THREADS |
1824 | if (!cx->blk_sub.hasargs) { |
1825 | AV* av = (AV*)curpad[0]; |
1826 | |
1827 | items = AvFILL(av) + 1; |
1828 | if (items) { |
1829 | /* Mark is at the end of the stack. */ |
1830 | EXTEND(sp, items); |
1831 | Copy(AvARRAY(av), sp + 1, items, SV*); |
1832 | sp += items; |
1833 | PUTBACK ; |
1834 | } |
1835 | } |
1836 | #endif /* USE_THREADS */ |
a0d0e21e |
1837 | SAVESPTR(curpad); |
1838 | curpad = AvARRAY((AV*)svp[CvDEPTH(cv)]); |
6d4ff0d2 |
1839 | #ifndef USE_THREADS |
1840 | if (cx->blk_sub.hasargs) |
1841 | #endif /* USE_THREADS */ |
1842 | { |
a0d0e21e |
1843 | AV* av = (AV*)curpad[0]; |
1844 | SV** ary; |
1845 | |
6d4ff0d2 |
1846 | #ifndef USE_THREADS |
a0d0e21e |
1847 | cx->blk_sub.savearray = GvAV(defgv); |
2c05e328 |
1848 | GvAV(defgv) = (AV*)SvREFCNT_inc(av); |
6d4ff0d2 |
1849 | #endif /* USE_THREADS */ |
1850 | cx->blk_sub.argarray = av; |
a0d0e21e |
1851 | ++mark; |
1852 | |
1853 | if (items >= AvMAX(av) + 1) { |
1854 | ary = AvALLOC(av); |
1855 | if (AvARRAY(av) != ary) { |
1856 | AvMAX(av) += AvARRAY(av) - AvALLOC(av); |
1857 | SvPVX(av) = (char*)ary; |
1858 | } |
1859 | if (items >= AvMAX(av) + 1) { |
1860 | AvMAX(av) = items - 1; |
1861 | Renew(ary,items+1,SV*); |
1862 | AvALLOC(av) = ary; |
1863 | SvPVX(av) = (char*)ary; |
1864 | } |
1865 | } |
1866 | Copy(mark,AvARRAY(av),items,SV*); |
1867 | AvFILL(av) = items - 1; |
1868 | |
1869 | while (items--) { |
1870 | if (*mark) |
1871 | SvTEMP_off(*mark); |
1872 | mark++; |
1873 | } |
1874 | } |
84902520 |
1875 | if (PERLDB_SUB && curstash != debstash) { |
44a8e56a |
1876 | /* |
1877 | * We do not care about using sv to call CV; |
1878 | * it's for informational purposes only. |
1879 | */ |
1ce6579f |
1880 | SV *sv = GvSV(DBsub); |
1881 | save_item(sv); |
e5cf08de |
1882 | gv_efullname3(sv, CvGV(cv), Nullch); |
1ce6579f |
1883 | } |
a0d0e21e |
1884 | RETURNOP(CvSTART(cv)); |
1885 | } |
1886 | } |
1887 | else |
1888 | label = SvPV(sv,na); |
1889 | } |
1890 | else if (op->op_flags & OPf_SPECIAL) { |
1891 | if (! do_dump) |
1892 | DIE("goto must have label"); |
1893 | } |
1894 | else |
1895 | label = cPVOP->op_pv; |
1896 | |
1897 | if (label && *label) { |
1898 | OP *gotoprobe = 0; |
1899 | |
1900 | /* find label */ |
1901 | |
1902 | lastgotoprobe = 0; |
1903 | *enterops = 0; |
1904 | for (ix = cxstack_ix; ix >= 0; ix--) { |
1905 | cx = &cxstack[ix]; |
1906 | switch (cx->cx_type) { |
a0d0e21e |
1907 | case CXt_EVAL: |
1908 | gotoprobe = eval_root; /* XXX not good for nested eval */ |
1909 | break; |
1910 | case CXt_LOOP: |
1911 | gotoprobe = cx->blk_oldcop->op_sibling; |
1912 | break; |
1913 | case CXt_SUBST: |
1914 | continue; |
1915 | case CXt_BLOCK: |
1916 | if (ix) |
1917 | gotoprobe = cx->blk_oldcop->op_sibling; |
1918 | else |
1919 | gotoprobe = main_root; |
1920 | break; |
b3933176 |
1921 | case CXt_SUB: |
1922 | if (CvDEPTH(cx->blk_sub.cv)) { |
1923 | gotoprobe = CvROOT(cx->blk_sub.cv); |
1924 | break; |
1925 | } |
1926 | /* FALL THROUGH */ |
0a753a76 |
1927 | case CXt_NULL: |
1928 | DIE("Can't \"goto\" outside a block"); |
a0d0e21e |
1929 | default: |
1930 | if (ix) |
1931 | DIE("panic: goto"); |
68dc0745 |
1932 | gotoprobe = main_root; |
a0d0e21e |
1933 | break; |
1934 | } |
fc36a67e |
1935 | retop = dofindlabel(gotoprobe, label, |
1936 | enterops, enterops + GOTO_DEPTH); |
a0d0e21e |
1937 | if (retop) |
1938 | break; |
1939 | lastgotoprobe = gotoprobe; |
1940 | } |
1941 | if (!retop) |
1942 | DIE("Can't find label %s", label); |
1943 | |
1944 | /* pop unwanted frames */ |
1945 | |
1946 | if (ix < cxstack_ix) { |
1947 | I32 oldsave; |
1948 | |
1949 | if (ix < 0) |
1950 | ix = 0; |
1951 | dounwind(ix); |
1952 | TOPBLOCK(cx); |
1953 | oldsave = scopestack[scopestack_ix]; |
1954 | LEAVE_SCOPE(oldsave); |
1955 | } |
1956 | |
1957 | /* push wanted frames */ |
1958 | |
748a9306 |
1959 | if (*enterops && enterops[1]) { |
a0d0e21e |
1960 | OP *oldop = op; |
748a9306 |
1961 | for (ix = 1; enterops[ix]; ix++) { |
a0d0e21e |
1962 | op = enterops[ix]; |
84902520 |
1963 | /* Eventually we may want to stack the needed arguments |
1964 | * for each op. For now, we punt on the hard ones. */ |
1965 | if (op->op_type == OP_ENTERITER) |
1966 | DIE("Can't \"goto\" into the middle of a foreach loop", |
1967 | label); |
11343788 |
1968 | (*op->op_ppaddr)(ARGS); |
a0d0e21e |
1969 | } |
1970 | op = oldop; |
1971 | } |
1972 | } |
1973 | |
1974 | if (do_dump) { |
a5f75d66 |
1975 | #ifdef VMS |
1976 | if (!retop) retop = main_start; |
1977 | #endif |
a0d0e21e |
1978 | restartop = retop; |
1979 | do_undump = TRUE; |
1980 | |
1981 | my_unexec(); |
1982 | |
1983 | restartop = 0; /* hmm, must be GNU unexec().. */ |
1984 | do_undump = FALSE; |
1985 | } |
1986 | |
1ce6579f |
1987 | if (curstack == signalstack) { |
748a9306 |
1988 | restartop = retop; |
54310121 |
1989 | JMPENV_JUMP(3); |
748a9306 |
1990 | } |
1991 | |
a0d0e21e |
1992 | RETURNOP(retop); |
1993 | } |
1994 | |
1995 | PP(pp_exit) |
1996 | { |
4e35701f |
1997 | djSP; |
a0d0e21e |
1998 | I32 anum; |
1999 | |
2000 | if (MAXARG < 1) |
2001 | anum = 0; |
ff0cee69 |
2002 | else { |
a0d0e21e |
2003 | anum = SvIVx(POPs); |
ff0cee69 |
2004 | #ifdef VMSISH_EXIT |
2005 | if (anum == 1 && VMSISH_EXIT) |
2006 | anum = 0; |
2007 | #endif |
2008 | } |
a0d0e21e |
2009 | my_exit(anum); |
2010 | PUSHs(&sv_undef); |
2011 | RETURN; |
2012 | } |
2013 | |
2014 | #ifdef NOTYET |
2015 | PP(pp_nswitch) |
2016 | { |
4e35701f |
2017 | djSP; |
a0d0e21e |
2018 | double value = SvNVx(GvSV(cCOP->cop_gv)); |
2019 | register I32 match = I_32(value); |
2020 | |
2021 | if (value < 0.0) { |
2022 | if (((double)match) > value) |
2023 | --match; /* was fractional--truncate other way */ |
2024 | } |
2025 | match -= cCOP->uop.scop.scop_offset; |
2026 | if (match < 0) |
2027 | match = 0; |
2028 | else if (match > cCOP->uop.scop.scop_max) |
2029 | match = cCOP->uop.scop.scop_max; |
2030 | op = cCOP->uop.scop.scop_next[match]; |
2031 | RETURNOP(op); |
2032 | } |
2033 | |
2034 | PP(pp_cswitch) |
2035 | { |
4e35701f |
2036 | djSP; |
a0d0e21e |
2037 | register I32 match; |
2038 | |
2039 | if (multiline) |
2040 | op = op->op_next; /* can't assume anything */ |
2041 | else { |
2042 | match = *(SvPVx(GvSV(cCOP->cop_gv), na)) & 255; |
2043 | match -= cCOP->uop.scop.scop_offset; |
2044 | if (match < 0) |
2045 | match = 0; |
2046 | else if (match > cCOP->uop.scop.scop_max) |
2047 | match = cCOP->uop.scop.scop_max; |
2048 | op = cCOP->uop.scop.scop_next[match]; |
2049 | } |
2050 | RETURNOP(op); |
2051 | } |
2052 | #endif |
2053 | |
2054 | /* Eval. */ |
2055 | |
2056 | static void |
8ac85365 |
2057 | save_lines(AV *array, SV *sv) |
a0d0e21e |
2058 | { |
2059 | register char *s = SvPVX(sv); |
2060 | register char *send = SvPVX(sv) + SvCUR(sv); |
2061 | register char *t; |
2062 | register I32 line = 1; |
2063 | |
2064 | while (s && s < send) { |
2065 | SV *tmpstr = NEWSV(85,0); |
2066 | |
2067 | sv_upgrade(tmpstr, SVt_PVMG); |
2068 | t = strchr(s, '\n'); |
2069 | if (t) |
2070 | t++; |
2071 | else |
2072 | t = send; |
2073 | |
2074 | sv_setpvn(tmpstr, s, t - s); |
2075 | av_store(array, line++, tmpstr); |
2076 | s = t; |
2077 | } |
2078 | } |
2079 | |
2080 | static OP * |
8ac85365 |
2081 | docatch(OP *o) |
1e422769 |
2082 | { |
e858de61 |
2083 | dTHR; |
1e422769 |
2084 | int ret; |
1e422769 |
2085 | OP *oldop = op; |
54310121 |
2086 | dJMPENV; |
1e422769 |
2087 | |
2088 | op = o; |
1e422769 |
2089 | #ifdef DEBUGGING |
54310121 |
2090 | assert(CATCH_GET == TRUE); |
7c06b590 |
2091 | DEBUG_l(deb("Setting up local jumplevel %p, was %p\n", &cur_env, top_env)); |
1e422769 |
2092 | #endif |
22921e25 |
2093 | JMPENV_PUSH(ret); |
2094 | switch (ret) { |
1e422769 |
2095 | default: /* topmost level handles it */ |
54310121 |
2096 | JMPENV_POP; |
1e422769 |
2097 | op = oldop; |
54310121 |
2098 | JMPENV_JUMP(ret); |
1e422769 |
2099 | /* NOTREACHED */ |
2100 | case 3: |
2101 | if (!restartop) { |
2102 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
2103 | break; |
2104 | } |
1e422769 |
2105 | op = restartop; |
2106 | restartop = 0; |
2107 | /* FALL THROUGH */ |
2108 | case 0: |
2109 | runops(); |
2110 | break; |
2111 | } |
54310121 |
2112 | JMPENV_POP; |
1e422769 |
2113 | op = oldop; |
2114 | return Nullop; |
2115 | } |
2116 | |
c277df42 |
2117 | OP * |
2118 | sv_compile_2op(SV *sv, OP** startop, char *code, AV** avp) |
2119 | /* sv Text to convert to OP tree. */ |
2120 | /* startop op_free() this to undo. */ |
2121 | /* code Short string id of the caller. */ |
2122 | { |
2123 | dSP; /* Make POPBLOCK work. */ |
2124 | PERL_CONTEXT *cx; |
2125 | SV **newsp; |
f987c7de |
2126 | I32 gimme = 0; /* SUSPECT - INITIALZE TO WHAT? NI-S */ |
c277df42 |
2127 | I32 optype; |
2128 | OP dummy; |
2129 | OP *oop = op, *rop; |
2130 | char tmpbuf[TYPE_DIGITS(long) + 12 + 10]; |
2131 | char *safestr; |
2132 | |
2133 | ENTER; |
2134 | lex_start(sv); |
2135 | SAVETMPS; |
2136 | /* switch to eval mode */ |
2137 | |
2138 | SAVESPTR(compiling.cop_filegv); |
2139 | SAVEI16(compiling.cop_line); |
2140 | sprintf(tmpbuf, "_<(%.10s_eval %lu)", code, (unsigned long)++evalseq); |
2141 | compiling.cop_filegv = gv_fetchfile(tmpbuf+2); |
2142 | compiling.cop_line = 1; |
2143 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
2144 | deleting the eval's FILEGV from the stash before gv_check() runs |
2145 | (i.e. before run-time proper). To work around the coredump that |
2146 | ensues, we always turn GvMULTI_on for any globals that were |
2147 | introduced within evals. See force_ident(). GSAR 96-10-12 */ |
2148 | safestr = savepv(tmpbuf); |
2149 | SAVEDELETE(defstash, safestr, strlen(safestr)); |
2150 | SAVEI32(hints); |
2151 | SAVEPPTR(op); |
2152 | hints = 0; |
2153 | |
2154 | op = &dummy; |
2155 | op->op_type = 0; /* Avoid uninit warning. */ |
2156 | op->op_flags = 0; /* Avoid uninit warning. */ |
2157 | PUSHBLOCK(cx, CXt_EVAL, SP); |
2158 | PUSHEVAL(cx, 0, compiling.cop_filegv); |
2159 | rop = doeval(G_SCALAR, startop); |
2160 | POPBLOCK(cx,curpm); |
2161 | POPEVAL(cx); |
2162 | |
2163 | (*startop)->op_type = OP_NULL; |
2164 | (*startop)->op_ppaddr = ppaddr[OP_NULL]; |
2165 | lex_end(); |
2166 | *avp = (AV*)SvREFCNT_inc(comppad); |
2167 | LEAVE; |
2168 | return rop; |
2169 | } |
2170 | |
0f15f207 |
2171 | /* With USE_THREADS, eval_owner must be held on entry to doeval */ |
1e422769 |
2172 | static OP * |
c277df42 |
2173 | doeval(int gimme, OP** startop) |
a0d0e21e |
2174 | { |
2175 | dSP; |
2176 | OP *saveop = op; |
2177 | HV *newstash; |
ff3ff8d1 |
2178 | CV *caller; |
748a9306 |
2179 | AV* comppadlist; |
a0d0e21e |
2180 | |
2181 | in_eval = 1; |
2182 | |
1ce6579f |
2183 | PUSHMARK(SP); |
2184 | |
a0d0e21e |
2185 | /* set up a scratch pad */ |
2186 | |
55497cff |
2187 | SAVEI32(padix); |
a0d0e21e |
2188 | SAVESPTR(curpad); |
2189 | SAVESPTR(comppad); |
2190 | SAVESPTR(comppad_name); |
55497cff |
2191 | SAVEI32(comppad_name_fill); |
2192 | SAVEI32(min_intro_pending); |
2193 | SAVEI32(max_intro_pending); |
748a9306 |
2194 | |
ff3ff8d1 |
2195 | caller = compcv; |
748a9306 |
2196 | SAVESPTR(compcv); |
2197 | compcv = (CV*)NEWSV(1104,0); |
2198 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c |
2199 | CvUNIQUE_on(compcv); |
11343788 |
2200 | #ifdef USE_THREADS |
2201 | CvOWNER(compcv) = 0; |
12ca11f6 |
2202 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
11343788 |
2203 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 |
2204 | #endif /* USE_THREADS */ |
748a9306 |
2205 | |
a0d0e21e |
2206 | comppad = newAV(); |
6d4ff0d2 |
2207 | av_push(comppad, Nullsv); |
2208 | curpad = AvARRAY(comppad); |
a0d0e21e |
2209 | comppad_name = newAV(); |
2210 | comppad_name_fill = 0; |
6d4ff0d2 |
2211 | min_intro_pending = 0; |
2212 | padix = 0; |
11343788 |
2213 | #ifdef USE_THREADS |
2214 | av_store(comppad_name, 0, newSVpv("@_", 2)); |
6d4ff0d2 |
2215 | curpad[0] = (SV*)newAV(); |
2216 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
11343788 |
2217 | #endif /* USE_THREADS */ |
a0d0e21e |
2218 | |
748a9306 |
2219 | comppadlist = newAV(); |
2220 | AvREAL_off(comppadlist); |
8e07c86e |
2221 | av_store(comppadlist, 0, (SV*)comppad_name); |
2222 | av_store(comppadlist, 1, (SV*)comppad); |
748a9306 |
2223 | CvPADLIST(compcv) = comppadlist; |
2c05e328 |
2224 | |
c277df42 |
2225 | if (!saveop || saveop->op_type != OP_REQUIRE) |
199100c8 |
2226 | CvOUTSIDE(compcv) = (CV*)SvREFCNT_inc(caller); |
07055b4c |
2227 | |
8e07c86e |
2228 | SAVEFREESV(compcv); |
748a9306 |
2229 | |
a0d0e21e |
2230 | /* make sure we compile in the right package */ |
2231 | |
2232 | newstash = curcop->cop_stash; |
2233 | if (curstash != newstash) { |
2234 | SAVESPTR(curstash); |
2235 | curstash = newstash; |
2236 | } |
2237 | SAVESPTR(beginav); |
2238 | beginav = newAV(); |
2239 | SAVEFREESV(beginav); |
2240 | |
2241 | /* try to compile it */ |
2242 | |
2243 | eval_root = Nullop; |
2244 | error_count = 0; |
2245 | curcop = &compiling; |
2246 | curcop->cop_arybase = 0; |
c07a80fd |
2247 | SvREFCNT_dec(rs); |
2248 | rs = newSVpv("\n", 1); |
c277df42 |
2249 | if (saveop && saveop->op_flags & OPf_SPECIAL) |
1ce6579f |
2250 | in_eval |= 4; |
2251 | else |
38a03e6e |
2252 | sv_setpv(ERRSV,""); |
a0d0e21e |
2253 | if (yyparse() || error_count || !eval_root) { |
2254 | SV **newsp; |
2255 | I32 gimme; |
c09156bb |
2256 | PERL_CONTEXT *cx; |
c277df42 |
2257 | I32 optype = 0; /* Might be reset by POPEVAL. */ |
a0d0e21e |
2258 | |
2259 | op = saveop; |
2260 | if (eval_root) { |
2261 | op_free(eval_root); |
2262 | eval_root = Nullop; |
2263 | } |
1ce6579f |
2264 | SP = stack_base + POPMARK; /* pop original mark */ |
c277df42 |
2265 | if (!startop) { |
2266 | POPBLOCK(cx,curpm); |
2267 | POPEVAL(cx); |
2268 | pop_return(); |
2269 | } |
a0d0e21e |
2270 | lex_end(); |
2271 | LEAVE; |
7a2e2cd6 |
2272 | if (optype == OP_REQUIRE) { |
38a03e6e |
2273 | char* msg = SvPVx(ERRSV, na); |
7a2e2cd6 |
2274 | DIE("%s", *msg ? msg : "Compilation failed in require"); |
c277df42 |
2275 | } else if (startop) { |
2276 | char* msg = SvPVx(ERRSV, na); |
2277 | |
2278 | POPBLOCK(cx,curpm); |
2279 | POPEVAL(cx); |
2280 | croak("%sCompilation failed in regexp", (*msg ? msg : "Unknown error\n")); |
7a2e2cd6 |
2281 | } |
c07a80fd |
2282 | SvREFCNT_dec(rs); |
2283 | rs = SvREFCNT_inc(nrs); |
f2134d95 |
2284 | #ifdef USE_THREADS |
2285 | MUTEX_LOCK(&eval_mutex); |
2286 | eval_owner = 0; |
2287 | COND_SIGNAL(&eval_cond); |
2288 | MUTEX_UNLOCK(&eval_mutex); |
2289 | #endif /* USE_THREADS */ |
a0d0e21e |
2290 | RETPUSHUNDEF; |
2291 | } |
c07a80fd |
2292 | SvREFCNT_dec(rs); |
2293 | rs = SvREFCNT_inc(nrs); |
a0d0e21e |
2294 | compiling.cop_line = 0; |
c277df42 |
2295 | if (startop) { |
2296 | *startop = eval_root; |
2297 | SvREFCNT_dec(CvOUTSIDE(compcv)); |
2298 | CvOUTSIDE(compcv) = Nullcv; |
2299 | } else |
2300 | SAVEFREEOP(eval_root); |
54310121 |
2301 | if (gimme & G_VOID) |
2302 | scalarvoid(eval_root); |
2303 | else if (gimme & G_ARRAY) |
a0d0e21e |
2304 | list(eval_root); |
2305 | else |
2306 | scalar(eval_root); |
2307 | |
2308 | DEBUG_x(dump_eval()); |
2309 | |
55497cff |
2310 | /* Register with debugger: */ |
84902520 |
2311 | if (PERLDB_INTER && saveop->op_type == OP_REQUIRE) { |
55497cff |
2312 | CV *cv = perl_get_cv("DB::postponed", FALSE); |
55497cff |
2313 | if (cv) { |
2314 | dSP; |
2315 | PUSHMARK(sp); |
2316 | XPUSHs((SV*)compiling.cop_filegv); |
2317 | PUTBACK; |
2318 | perl_call_sv((SV*)cv, G_DISCARD); |
2319 | } |
2320 | } |
2321 | |
a0d0e21e |
2322 | /* compiled okay, so do it */ |
2323 | |
4fdae800 |
2324 | CvDEPTH(compcv) = 1; |
1ce6579f |
2325 | SP = stack_base + POPMARK; /* pop original mark */ |
c277df42 |
2326 | op = saveop; /* The caller may need it. */ |
b35b2403 |
2327 | #ifdef USE_THREADS |
11343788 |
2328 | MUTEX_LOCK(&eval_mutex); |
2329 | eval_owner = 0; |
2330 | COND_SIGNAL(&eval_cond); |
2331 | MUTEX_UNLOCK(&eval_mutex); |
b35b2403 |
2332 | #endif /* USE_THREADS */ |
5dc0d613 |
2333 | |
a0d0e21e |
2334 | RETURNOP(eval_start); |
2335 | } |
2336 | |
2337 | PP(pp_require) |
2338 | { |
4e35701f |
2339 | djSP; |
c09156bb |
2340 | register PERL_CONTEXT *cx; |
a0d0e21e |
2341 | SV *sv; |
2342 | char *name; |
46fc3d4c |
2343 | char *tryname; |
2344 | SV *namesv = Nullsv; |
a0d0e21e |
2345 | SV** svp; |
2346 | I32 gimme = G_SCALAR; |
760ac839 |
2347 | PerlIO *tryrsfp = 0; |
a0d0e21e |
2348 | |
2349 | sv = POPs; |
4633a7c4 |
2350 | if (SvNIOKp(sv) && !SvPOKp(sv)) { |
36477c24 |
2351 | SET_NUMERIC_STANDARD(); |
a5f75d66 |
2352 | if (atof(patchlevel) + 0.00000999 < SvNV(sv)) |
2353 | DIE("Perl %s required--this is only version %s, stopped", |
2354 | SvPV(sv,na),patchlevel); |
a0d0e21e |
2355 | RETPUSHYES; |
2356 | } |
2357 | name = SvPV(sv, na); |
2358 | if (!*name) |
2359 | DIE("Null filename used"); |
4633a7c4 |
2360 | TAINT_PROPER("require"); |
a0d0e21e |
2361 | if (op->op_type == OP_REQUIRE && |
2362 | (svp = hv_fetch(GvHVn(incgv), name, SvCUR(sv), 0)) && |
2363 | *svp != &sv_undef) |
2364 | RETPUSHYES; |
2365 | |
2366 | /* prepare to compile file */ |
2367 | |
46fc3d4c |
2368 | if (*name == '/' || |
2369 | (*name == '.' && |
2370 | (name[1] == '/' || |
2371 | (name[1] == '.' && name[2] == '/'))) |
4633a7c4 |
2372 | #ifdef DOSISH |
46fc3d4c |
2373 | || (name[0] && name[1] == ':') |
4633a7c4 |
2374 | #endif |
ba42ef2f |
2375 | #ifdef WIN32 |
2376 | || (name[0] == '\\' && name[1] == '\\') /* UNC path */ |
2377 | #endif |
748a9306 |
2378 | #ifdef VMS |
46fc3d4c |
2379 | || (strchr(name,':') || ((*name == '[' || *name == '<') && |
2380 | (isALNUM(name[1]) || strchr("$-_]>",name[1])))) |
748a9306 |
2381 | #endif |
2382 | ) |
a0d0e21e |
2383 | { |
46fc3d4c |
2384 | tryname = name; |
a868473f |
2385 | tryrsfp = PerlIO_open(name,PERL_SCRIPT_MODE); |
a0d0e21e |
2386 | } |
2387 | else { |
2388 | AV *ar = GvAVn(incgv); |
2389 | I32 i; |
748a9306 |
2390 | #ifdef VMS |
46fc3d4c |
2391 | char *unixname; |
2392 | if ((unixname = tounixspec(name, Nullch)) != Nullch) |
2393 | #endif |
2394 | { |
2395 | namesv = NEWSV(806, 0); |
2396 | for (i = 0; i <= AvFILL(ar); i++) { |
2397 | char *dir = SvPVx(*av_fetch(ar, i, TRUE), na); |
2398 | #ifdef VMS |
2399 | char *unixdir; |
2400 | if ((unixdir = tounixpath(dir, Nullch)) == Nullch) |
2401 | continue; |
2402 | sv_setpv(namesv, unixdir); |
2403 | sv_catpv(namesv, unixname); |
748a9306 |
2404 | #else |
46fc3d4c |
2405 | sv_setpvf(namesv, "%s/%s", dir, name); |
748a9306 |
2406 | #endif |
46fc3d4c |
2407 | tryname = SvPVX(namesv); |
a868473f |
2408 | tryrsfp = PerlIO_open(tryname, PERL_SCRIPT_MODE); |
46fc3d4c |
2409 | if (tryrsfp) { |
2410 | if (tryname[0] == '.' && tryname[1] == '/') |
2411 | tryname += 2; |
2412 | break; |
2413 | } |
a0d0e21e |
2414 | } |
2415 | } |
2416 | } |
2417 | SAVESPTR(compiling.cop_filegv); |
46fc3d4c |
2418 | compiling.cop_filegv = gv_fetchfile(tryrsfp ? tryname : name); |
2419 | SvREFCNT_dec(namesv); |
a0d0e21e |
2420 | if (!tryrsfp) { |
2421 | if (op->op_type == OP_REQUIRE) { |
46fc3d4c |
2422 | SV *msg = sv_2mortal(newSVpvf("Can't locate %s in @INC", name)); |
2683423c |
2423 | SV *dirmsgsv = NEWSV(0, 0); |
2424 | AV *ar = GvAVn(incgv); |
2425 | I32 i; |
46fc3d4c |
2426 | if (instr(SvPVX(msg), ".h ")) |
2427 | sv_catpv(msg, " (change .h to .ph maybe?)"); |
2428 | if (instr(SvPVX(msg), ".ph ")) |
2429 | sv_catpv(msg, " (did you run h2ph?)"); |
3e3baf6d |
2430 | sv_catpv(msg, " (@INC contains:"); |
2683423c |
2431 | for (i = 0; i <= AvFILL(ar); i++) { |
2432 | char *dir = SvPVx(*av_fetch(ar, i, TRUE), na); |
3e3baf6d |
2433 | sv_setpvf(dirmsgsv, " %s", dir); |
2683423c |
2434 | sv_catsv(msg, dirmsgsv); |
2435 | } |
3e3baf6d |
2436 | sv_catpvn(msg, ")", 1); |
2683423c |
2437 | SvREFCNT_dec(dirmsgsv); |
fc36a67e |
2438 | DIE("%_", msg); |
a0d0e21e |
2439 | } |
2440 | |
2441 | RETPUSHUNDEF; |
2442 | } |
2443 | |
2444 | /* Assume success here to prevent recursive requirement. */ |
2445 | (void)hv_store(GvHVn(incgv), name, strlen(name), |
2446 | newSVsv(GvSV(compiling.cop_filegv)), 0 ); |
2447 | |
2448 | ENTER; |
2449 | SAVETMPS; |
2450 | lex_start(sv_2mortal(newSVpv("",0))); |
e50aee73 |
2451 | if (rsfp_filters){ |
2452 | save_aptr(&rsfp_filters); |
2453 | rsfp_filters = NULL; |
2454 | } |
2455 | |
a0d0e21e |
2456 | rsfp = tryrsfp; |
2457 | name = savepv(name); |
2458 | SAVEFREEPV(name); |
2459 | SAVEI32(hints); |
2460 | hints = 0; |
2461 | |
2462 | /* switch to eval mode */ |
2463 | |
2464 | push_return(op->op_next); |
2465 | PUSHBLOCK(cx, CXt_EVAL, SP); |
2466 | PUSHEVAL(cx, name, compiling.cop_filegv); |
2467 | |
2468 | compiling.cop_line = 0; |
2469 | |
2470 | PUTBACK; |
0f15f207 |
2471 | #ifdef USE_THREADS |
2472 | MUTEX_LOCK(&eval_mutex); |
2473 | if (eval_owner && eval_owner != thr) |
2474 | while (eval_owner) |
2475 | COND_WAIT(&eval_cond, &eval_mutex); |
2476 | eval_owner = thr; |
2477 | MUTEX_UNLOCK(&eval_mutex); |
2478 | #endif /* USE_THREADS */ |
c277df42 |
2479 | return DOCATCH(doeval(G_SCALAR, NULL)); |
a0d0e21e |
2480 | } |
2481 | |
2482 | PP(pp_dofile) |
2483 | { |
2484 | return pp_require(ARGS); |
2485 | } |
2486 | |
2487 | PP(pp_entereval) |
2488 | { |
4e35701f |
2489 | djSP; |
c09156bb |
2490 | register PERL_CONTEXT *cx; |
a0d0e21e |
2491 | dPOPss; |
54310121 |
2492 | I32 gimme = GIMME_V, was = sub_generation; |
fc36a67e |
2493 | char tmpbuf[TYPE_DIGITS(long) + 12]; |
2494 | char *safestr; |
a0d0e21e |
2495 | STRLEN len; |
55497cff |
2496 | OP *ret; |
a0d0e21e |
2497 | |
2498 | if (!SvPV(sv,len) || !len) |
2499 | RETPUSHUNDEF; |
748a9306 |
2500 | TAINT_PROPER("eval"); |
a0d0e21e |
2501 | |
2502 | ENTER; |
a0d0e21e |
2503 | lex_start(sv); |
748a9306 |
2504 | SAVETMPS; |
a0d0e21e |
2505 | |
2506 | /* switch to eval mode */ |
2507 | |
748a9306 |
2508 | SAVESPTR(compiling.cop_filegv); |
ff0cee69 |
2509 | sprintf(tmpbuf, "_<(eval %lu)", (unsigned long)++evalseq); |
a0d0e21e |
2510 | compiling.cop_filegv = gv_fetchfile(tmpbuf+2); |
2511 | compiling.cop_line = 1; |
55497cff |
2512 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
2513 | deleting the eval's FILEGV from the stash before gv_check() runs |
2514 | (i.e. before run-time proper). To work around the coredump that |
2515 | ensues, we always turn GvMULTI_on for any globals that were |
2516 | introduced within evals. See force_ident(). GSAR 96-10-12 */ |
2517 | safestr = savepv(tmpbuf); |
2518 | SAVEDELETE(defstash, safestr, strlen(safestr)); |
a0d0e21e |
2519 | SAVEI32(hints); |
2520 | hints = op->op_targ; |
2521 | |
2522 | push_return(op->op_next); |
2523 | PUSHBLOCK(cx, CXt_EVAL, SP); |
2524 | PUSHEVAL(cx, 0, compiling.cop_filegv); |
2525 | |
2526 | /* prepare to compile string */ |
2527 | |
08ea043f |
2528 | if (PERLDB_LINE && curstash != debstash) |
a0d0e21e |
2529 | save_lines(GvAV(compiling.cop_filegv), linestr); |
2530 | PUTBACK; |
0f15f207 |
2531 | #ifdef USE_THREADS |
2532 | MUTEX_LOCK(&eval_mutex); |
2533 | if (eval_owner && eval_owner != thr) |
2534 | while (eval_owner) |
2535 | COND_WAIT(&eval_cond, &eval_mutex); |
2536 | eval_owner = thr; |
2537 | MUTEX_UNLOCK(&eval_mutex); |
2538 | #endif /* USE_THREADS */ |
c277df42 |
2539 | ret = doeval(gimme, NULL); |
08ea043f |
2540 | if (PERLDB_INTER && was != sub_generation /* Some subs defined here. */ |
e506e776 |
2541 | && ret != op->op_next) { /* Successive compilation. */ |
55497cff |
2542 | strcpy(safestr, "_<(eval )"); /* Anything fake and short. */ |
2543 | } |
1e422769 |
2544 | return DOCATCH(ret); |
a0d0e21e |
2545 | } |
2546 | |
2547 | PP(pp_leaveeval) |
2548 | { |
4e35701f |
2549 | djSP; |
a0d0e21e |
2550 | register SV **mark; |
2551 | SV **newsp; |
2552 | PMOP *newpm; |
2553 | I32 gimme; |
c09156bb |
2554 | register PERL_CONTEXT *cx; |
a0d0e21e |
2555 | OP *retop; |
760ac839 |
2556 | U8 save_flags = op -> op_flags; |
a0d0e21e |
2557 | I32 optype; |
2558 | |
2559 | POPBLOCK(cx,newpm); |
2560 | POPEVAL(cx); |
2561 | retop = pop_return(); |
2562 | |
a1f49e72 |
2563 | TAINT_NOT; |
54310121 |
2564 | if (gimme == G_VOID) |
2565 | MARK = newsp; |
2566 | else if (gimme == G_SCALAR) { |
2567 | MARK = newsp + 1; |
2568 | if (MARK <= SP) { |
2569 | if (SvFLAGS(TOPs) & SVs_TEMP) |
2570 | *MARK = TOPs; |
2571 | else |
2572 | *MARK = sv_mortalcopy(TOPs); |
2573 | } |
a0d0e21e |
2574 | else { |
54310121 |
2575 | MEXTEND(mark,0); |
2576 | *MARK = &sv_undef; |
a0d0e21e |
2577 | } |
a0d0e21e |
2578 | } |
2579 | else { |
a1f49e72 |
2580 | /* in case LEAVE wipes old return values */ |
2581 | for (mark = newsp + 1; mark <= SP; mark++) { |
2582 | if (!(SvFLAGS(*mark) & SVs_TEMP)) { |
a0d0e21e |
2583 | *mark = sv_mortalcopy(*mark); |
a1f49e72 |
2584 | TAINT_NOT; /* Each item is independent */ |
2585 | } |
2586 | } |
a0d0e21e |
2587 | } |
2588 | curpm = newpm; /* Don't pop $1 et al till now */ |
2589 | |
84902520 |
2590 | /* |
2591 | * Closures mentioned at top level of eval cannot be referenced |
2592 | * again, and their presence indirectly causes a memory leak. |
2593 | * (Note that the fact that compcv and friends are still set here |
2594 | * is, AFAIK, an accident.) --Chip |
2595 | */ |
2596 | if (AvFILL(comppad_name) >= 0) { |
2597 | SV **svp = AvARRAY(comppad_name); |
2598 | I32 ix; |
2599 | for (ix = AvFILL(comppad_name); ix >= 0; ix--) { |
2600 | SV *sv = svp[ix]; |
2601 | if (sv && sv != &sv_undef && *SvPVX(sv) == '&') { |
2602 | SvREFCNT_dec(sv); |
2603 | svp[ix] = &sv_undef; |
2604 | |
2605 | sv = curpad[ix]; |
2606 | if (CvCLONE(sv)) { |
2607 | SvREFCNT_dec(CvOUTSIDE(sv)); |
2608 | CvOUTSIDE(sv) = Nullcv; |
2609 | } |
2610 | else { |
2611 | SvREFCNT_dec(sv); |
2612 | sv = NEWSV(0,0); |
2613 | SvPADTMP_on(sv); |
2614 | curpad[ix] = sv; |
2615 | } |
2616 | } |
2617 | } |
2618 | } |
2619 | |
4fdae800 |
2620 | #ifdef DEBUGGING |
2621 | assert(CvDEPTH(compcv) == 1); |
2622 | #endif |
2623 | CvDEPTH(compcv) = 0; |
2624 | |
1ce6579f |
2625 | if (optype == OP_REQUIRE && |
54310121 |
2626 | !(gimme == G_SCALAR ? SvTRUE(*sp) : sp > newsp)) |
2627 | { |
1ce6579f |
2628 | /* Unassume the success we assumed earlier. */ |
54310121 |
2629 | char *name = cx->blk_eval.old_name; |
1ce6579f |
2630 | (void)hv_delete(GvHVn(incgv), name, strlen(name), G_DISCARD); |
2631 | retop = die("%s did not return a true value", name); |
a0d0e21e |
2632 | } |
2633 | |
2634 | lex_end(); |
2635 | LEAVE; |
4fdae800 |
2636 | |
760ac839 |
2637 | if (!(save_flags & OPf_SPECIAL)) |
38a03e6e |
2638 | sv_setpv(ERRSV,""); |
a0d0e21e |
2639 | |
2640 | RETURNOP(retop); |
2641 | } |
2642 | |
a0d0e21e |
2643 | PP(pp_entertry) |
2644 | { |
4e35701f |
2645 | djSP; |
c09156bb |
2646 | register PERL_CONTEXT *cx; |
54310121 |
2647 | I32 gimme = GIMME_V; |
a0d0e21e |
2648 | |
2649 | ENTER; |
2650 | SAVETMPS; |
2651 | |
2652 | push_return(cLOGOP->op_other->op_next); |
2653 | PUSHBLOCK(cx, CXt_EVAL, SP); |
2654 | PUSHEVAL(cx, 0, 0); |
2655 | eval_root = op; /* Only needed so that goto works right. */ |
2656 | |
2657 | in_eval = 1; |
38a03e6e |
2658 | sv_setpv(ERRSV,""); |
1e422769 |
2659 | PUTBACK; |
2660 | return DOCATCH(op->op_next); |
a0d0e21e |
2661 | } |
2662 | |
2663 | PP(pp_leavetry) |
2664 | { |
4e35701f |
2665 | djSP; |
a0d0e21e |
2666 | register SV **mark; |
2667 | SV **newsp; |
2668 | PMOP *newpm; |
2669 | I32 gimme; |
c09156bb |
2670 | register PERL_CONTEXT *cx; |
a0d0e21e |
2671 | I32 optype; |
2672 | |
2673 | POPBLOCK(cx,newpm); |
2674 | POPEVAL(cx); |
2675 | pop_return(); |
2676 | |
a1f49e72 |
2677 | TAINT_NOT; |
54310121 |
2678 | if (gimme == G_VOID) |
2679 | SP = newsp; |
2680 | else if (gimme == G_SCALAR) { |
2681 | MARK = newsp + 1; |
2682 | if (MARK <= SP) { |
2683 | if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP)) |
2684 | *MARK = TOPs; |
2685 | else |
2686 | *MARK = sv_mortalcopy(TOPs); |
2687 | } |
a0d0e21e |
2688 | else { |
54310121 |
2689 | MEXTEND(mark,0); |
2690 | *MARK = &sv_undef; |
a0d0e21e |
2691 | } |
2692 | SP = MARK; |
2693 | } |
2694 | else { |
a1f49e72 |
2695 | /* in case LEAVE wipes old return values */ |
2696 | for (mark = newsp + 1; mark <= SP; mark++) { |
2697 | if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) { |
a0d0e21e |
2698 | *mark = sv_mortalcopy(*mark); |
a1f49e72 |
2699 | TAINT_NOT; /* Each item is independent */ |
2700 | } |
2701 | } |
a0d0e21e |
2702 | } |
2703 | curpm = newpm; /* Don't pop $1 et al till now */ |
2704 | |
2705 | LEAVE; |
38a03e6e |
2706 | sv_setpv(ERRSV,""); |
a0d0e21e |
2707 | RETURN; |
2708 | } |
2709 | |
2710 | static void |
8ac85365 |
2711 | doparseform(SV *sv) |
a0d0e21e |
2712 | { |
2713 | STRLEN len; |
2714 | register char *s = SvPV_force(sv, len); |
2715 | register char *send = s + len; |
2716 | register char *base; |
2717 | register I32 skipspaces = 0; |
2718 | bool noblank; |
2719 | bool repeat; |
2720 | bool postspace = FALSE; |
2721 | U16 *fops; |
2722 | register U16 *fpc; |
2723 | U16 *linepc; |
2724 | register I32 arg; |
2725 | bool ischop; |
2726 | |
55497cff |
2727 | if (len == 0) |
bbce6d69 |
2728 | croak("Null picture in formline"); |
55497cff |
2729 | |
2730 | New(804, fops, (send - s)*3+10, U16); /* Almost certainly too long... */ |
a0d0e21e |
2731 | fpc = fops; |
2732 | |
2733 | if (s < send) { |
2734 | linepc = fpc; |
2735 | *fpc++ = FF_LINEMARK; |
2736 | noblank = repeat = FALSE; |
2737 | base = s; |
2738 | } |
2739 | |
2740 | while (s <= send) { |
2741 | switch (*s++) { |
2742 | default: |
2743 | skipspaces = 0; |
2744 | continue; |
2745 | |
2746 | case '~': |
2747 | if (*s == '~') { |
2748 | repeat = TRUE; |
2749 | *s = ' '; |
2750 | } |
2751 | noblank = TRUE; |
2752 | s[-1] = ' '; |
2753 | /* FALL THROUGH */ |
2754 | case ' ': case '\t': |
2755 | skipspaces++; |
2756 | continue; |
2757 | |
2758 | case '\n': case 0: |
2759 | arg = s - base; |
2760 | skipspaces++; |
2761 | arg -= skipspaces; |
2762 | if (arg) { |
5f05dabc |
2763 | if (postspace) |
a0d0e21e |
2764 | *fpc++ = FF_SPACE; |
a0d0e21e |
2765 | *fpc++ = FF_LITERAL; |
2766 | *fpc++ = arg; |
2767 | } |
5f05dabc |
2768 | postspace = FALSE; |
a0d0e21e |
2769 | if (s <= send) |
2770 | skipspaces--; |
2771 | if (skipspaces) { |
2772 | *fpc++ = FF_SKIP; |
2773 | *fpc++ = skipspaces; |
2774 | } |
2775 | skipspaces = 0; |
2776 | if (s <= send) |
2777 | *fpc++ = FF_NEWLINE; |
2778 | if (noblank) { |
2779 | *fpc++ = FF_BLANK; |
2780 | if (repeat) |
2781 | arg = fpc - linepc + 1; |
2782 | else |
2783 | arg = 0; |
2784 | *fpc++ = arg; |
2785 | } |
2786 | if (s < send) { |
2787 | linepc = fpc; |
2788 | *fpc++ = FF_LINEMARK; |
2789 | noblank = repeat = FALSE; |
2790 | base = s; |
2791 | } |
2792 | else |
2793 | s++; |
2794 | continue; |
2795 | |
2796 | case '@': |
2797 | case '^': |
2798 | ischop = s[-1] == '^'; |
2799 | |
2800 | if (postspace) { |
2801 | *fpc++ = FF_SPACE; |
2802 | postspace = FALSE; |
2803 | } |
2804 | arg = (s - base) - 1; |
2805 | if (arg) { |
2806 | *fpc++ = FF_LITERAL; |
2807 | *fpc++ = arg; |
2808 | } |
2809 | |
2810 | base = s - 1; |
2811 | *fpc++ = FF_FETCH; |
2812 | if (*s == '*') { |
2813 | s++; |
2814 | *fpc++ = 0; |
2815 | *fpc++ = FF_LINEGLOB; |
2816 | } |
2817 | else if (*s == '#' || (*s == '.' && s[1] == '#')) { |
2818 | arg = ischop ? 512 : 0; |
2819 | base = s - 1; |
2820 | while (*s == '#') |
2821 | s++; |
2822 | if (*s == '.') { |
2823 | char *f; |
2824 | s++; |
2825 | f = s; |
2826 | while (*s == '#') |
2827 | s++; |
2828 | arg |= 256 + (s - f); |
2829 | } |
2830 | *fpc++ = s - base; /* fieldsize for FETCH */ |
2831 | *fpc++ = FF_DECIMAL; |
2832 | *fpc++ = arg; |
2833 | } |
2834 | else { |
2835 | I32 prespace = 0; |
2836 | bool ismore = FALSE; |
2837 | |
2838 | if (*s == '>') { |
2839 | while (*++s == '>') ; |
2840 | prespace = FF_SPACE; |
2841 | } |
2842 | else if (*s == '|') { |
2843 | while (*++s == '|') ; |
2844 | prespace = FF_HALFSPACE; |
2845 | postspace = TRUE; |
2846 | } |
2847 | else { |
2848 | if (*s == '<') |
2849 | while (*++s == '<') ; |
2850 | postspace = TRUE; |
2851 | } |
2852 | if (*s == '.' && s[1] == '.' && s[2] == '.') { |
2853 | s += 3; |
2854 | ismore = TRUE; |
2855 | } |
2856 | *fpc++ = s - base; /* fieldsize for FETCH */ |
2857 | |
2858 | *fpc++ = ischop ? FF_CHECKCHOP : FF_CHECKNL; |
2859 | |
2860 | if (prespace) |
2861 | *fpc++ = prespace; |
2862 | *fpc++ = FF_ITEM; |
2863 | if (ismore) |
2864 | *fpc++ = FF_MORE; |
2865 | if (ischop) |
2866 | *fpc++ = FF_CHOP; |
2867 | } |
2868 | base = s; |
2869 | skipspaces = 0; |
2870 | continue; |
2871 | } |
2872 | } |
2873 | *fpc++ = FF_END; |
2874 | |
2875 | arg = fpc - fops; |
2876 | { /* need to jump to the next word */ |
2877 | int z; |
2878 | z = WORD_ALIGN - SvCUR(sv) % WORD_ALIGN; |
2879 | SvGROW(sv, SvCUR(sv) + z + arg * sizeof(U16) + 4); |
2880 | s = SvPVX(sv) + SvCUR(sv) + z; |
2881 | } |
2882 | Copy(fops, s, arg, U16); |
2883 | Safefree(fops); |
55497cff |
2884 | sv_magic(sv, Nullsv, 'f', Nullch, 0); |
a0d0e21e |
2885 | SvCOMPILED_on(sv); |
2886 | } |
4e35701f |
2887 | |
161b471a |
2888 | |