Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* pp_ctl.c |
2 | * | |
9607fc9c | 3 | * Copyright (c) 1991-1997, Larry Wall |
a0d0e21e LW |
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)); |
fc36a67e | 30 | static OP *dofindlabel _((OP *op, char *label, OP **opstack, OP **oplimit)); |
a0d0e21e LW |
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 LW |
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 LW |
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 LW |
78 | /* JMR: Check against the last compiled regexp */ |
79 | if ( ! pm->op_pmregexp || ! pm->op_pmregexp->precomp | |
80 | || strnNE(pm->op_pmregexp->precomp, t, len) | |
81 | || pm->op_pmregexp->precomp[len]) { | |
82 | if (pm->op_pmregexp) { | |
83 | pregfree(pm->op_pmregexp); | |
84 | pm->op_pmregexp = Null(REGEXP*); /* crucial if regcomp aborts */ | |
85 | } | |
a0d0e21e | 86 | |
4633a7c4 LW |
87 | pm->op_pmflags = pm->op_pmpermflags; /* reset case sensitivity */ |
88 | pm->op_pmregexp = pregcomp(t, t + len, pm); | |
89 | } | |
a0d0e21e LW |
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) { | |
a0d0e21e LW |
97 | pm->op_pmflags &= ~PMf_RUNTIME; /* no point compiling again */ |
98 | hoistmust(pm); | |
99 | cLOGOP->op_first->op_next = op->op_next; | |
a0d0e21e LW |
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 LW |
114 | |
115 | if (cx->sb_iters++) { | |
116 | if (cx->sb_iters > cx->sb_maxiters) | |
117 | DIE("Substitution loop"); | |
118 | ||
71be2cbc | 119 | if (!cx->sb_rxtainted) |
120 | cx->sb_rxtainted = SvTAINTED(TOPs); | |
a0d0e21e | 121 | sv_catsv(dstr, POPs); |
a0d0e21e LW |
122 | |
123 | /* Are we done */ | |
e50aee73 | 124 | if (cx->sb_once || !pregexec(rx, s, cx->sb_strend, orig, |
a0d0e21e LW |
125 | s == m, Nullsv, cx->sb_safebase)) |
126 | { | |
127 | SV *targ = cx->sb_targ; | |
128 | sv_catpvn(dstr, s, cx->sb_strend - s); | |
748a9306 | 129 | |
9212bbba CS |
130 | TAINT_IF(cx->sb_rxtainted || rx->exec_tainted); |
131 | ||
4633a7c4 | 132 | (void)SvOOK_off(targ); |
cb0b1708 | 133 | Safefree(SvPVX(targ)); |
748a9306 LW |
134 | SvPVX(targ) = SvPVX(dstr); |
135 | SvCUR_set(targ, SvCUR(dstr)); | |
136 | SvLEN_set(targ, SvLEN(dstr)); | |
137 | SvPVX(dstr) = 0; | |
138 | sv_free(dstr); | |
a0d0e21e LW |
139 | (void)SvPOK_only(targ); |
140 | SvSETMAGIC(targ); | |
9212bbba | 141 | SvTAINT(targ); |
5cd24f17 | 142 | |
a0d0e21e | 143 | PUSHs(sv_2mortal(newSViv((I32)cx->sb_iters - 1))); |
4633a7c4 | 144 | LEAVE_SCOPE(cx->sb_oldsave); |
a0d0e21e LW |
145 | POPSUBST(cx); |
146 | RETURNOP(pm->op_next); | |
147 | } | |
148 | } | |
149 | if (rx->subbase && rx->subbase != orig) { | |
150 | m = s; | |
151 | s = orig; | |
152 | cx->sb_orig = orig = rx->subbase; | |
153 | s = orig + (m - s); | |
154 | cx->sb_strend = s + (cx->sb_strend - m); | |
155 | } | |
156 | cx->sb_m = m = rx->startp[0]; | |
157 | sv_catpvn(dstr, s, m-s); | |
158 | cx->sb_s = rx->endp[0]; | |
71be2cbc | 159 | cx->sb_rxtainted |= rx->exec_tainted; |
a0d0e21e LW |
160 | RETURNOP(pm->op_pmreplstart); |
161 | } | |
162 | ||
163 | PP(pp_formline) | |
164 | { | |
165 | dSP; dMARK; dORIGMARK; | |
166 | register SV *form = *++MARK; | |
167 | register U16 *fpc; | |
168 | register char *t; | |
169 | register char *f; | |
170 | register char *s; | |
171 | register char *send; | |
172 | register I32 arg; | |
173 | register SV *sv; | |
174 | char *item; | |
175 | I32 itemsize; | |
176 | I32 fieldsize; | |
177 | I32 lines = 0; | |
178 | bool chopspace = (strchr(chopset, ' ') != Nullch); | |
179 | char *chophere; | |
180 | char *linemark; | |
a0d0e21e LW |
181 | double value; |
182 | bool gotsome; | |
183 | STRLEN len; | |
184 | ||
55497cff | 185 | if (!SvMAGICAL(form) || !SvCOMPILED(form)) { |
a0d0e21e LW |
186 | SvREADONLY_off(form); |
187 | doparseform(form); | |
188 | } | |
189 | ||
190 | SvPV_force(formtarget, len); | |
191 | t = SvGROW(formtarget, len + SvCUR(form) + 1); /* XXX SvCUR bad */ | |
192 | t += len; | |
193 | f = SvPV(form, len); | |
194 | /* need to jump to the next word */ | |
195 | s = f + len + WORD_ALIGN - SvCUR(form) % WORD_ALIGN; | |
196 | ||
197 | fpc = (U16*)s; | |
198 | ||
199 | for (;;) { | |
200 | DEBUG_f( { | |
201 | char *name = "???"; | |
202 | arg = -1; | |
203 | switch (*fpc) { | |
204 | case FF_LITERAL: arg = fpc[1]; name = "LITERAL"; break; | |
205 | case FF_BLANK: arg = fpc[1]; name = "BLANK"; break; | |
206 | case FF_SKIP: arg = fpc[1]; name = "SKIP"; break; | |
207 | case FF_FETCH: arg = fpc[1]; name = "FETCH"; break; | |
208 | case FF_DECIMAL: arg = fpc[1]; name = "DECIMAL"; break; | |
209 | ||
210 | case FF_CHECKNL: name = "CHECKNL"; break; | |
211 | case FF_CHECKCHOP: name = "CHECKCHOP"; break; | |
212 | case FF_SPACE: name = "SPACE"; break; | |
213 | case FF_HALFSPACE: name = "HALFSPACE"; break; | |
214 | case FF_ITEM: name = "ITEM"; break; | |
215 | case FF_CHOP: name = "CHOP"; break; | |
216 | case FF_LINEGLOB: name = "LINEGLOB"; break; | |
217 | case FF_NEWLINE: name = "NEWLINE"; break; | |
218 | case FF_MORE: name = "MORE"; break; | |
219 | case FF_LINEMARK: name = "LINEMARK"; break; | |
220 | case FF_END: name = "END"; break; | |
221 | } | |
222 | if (arg >= 0) | |
760ac839 | 223 | PerlIO_printf(PerlIO_stderr(), "%-16s%ld\n", name, (long) arg); |
a0d0e21e | 224 | else |
760ac839 | 225 | PerlIO_printf(PerlIO_stderr(), "%-16s\n", name); |
a0d0e21e LW |
226 | } ) |
227 | switch (*fpc++) { | |
228 | case FF_LINEMARK: | |
229 | linemark = t; | |
a0d0e21e LW |
230 | lines++; |
231 | gotsome = FALSE; | |
232 | break; | |
233 | ||
234 | case FF_LITERAL: | |
235 | arg = *fpc++; | |
236 | while (arg--) | |
237 | *t++ = *f++; | |
238 | break; | |
239 | ||
240 | case FF_SKIP: | |
241 | f += *fpc++; | |
242 | break; | |
243 | ||
244 | case FF_FETCH: | |
245 | arg = *fpc++; | |
246 | f += arg; | |
247 | fieldsize = arg; | |
248 | ||
249 | if (MARK < SP) | |
250 | sv = *++MARK; | |
251 | else { | |
252 | sv = &sv_no; | |
253 | if (dowarn) | |
254 | warn("Not enough format arguments"); | |
255 | } | |
256 | break; | |
257 | ||
258 | case FF_CHECKNL: | |
259 | item = s = SvPV(sv, len); | |
260 | itemsize = len; | |
261 | if (itemsize > fieldsize) | |
262 | itemsize = fieldsize; | |
263 | send = chophere = s + itemsize; | |
264 | while (s < send) { | |
265 | if (*s & ~31) | |
266 | gotsome = TRUE; | |
267 | else if (*s == '\n') | |
268 | break; | |
269 | s++; | |
270 | } | |
271 | itemsize = s - item; | |
272 | break; | |
273 | ||
274 | case FF_CHECKCHOP: | |
275 | item = s = SvPV(sv, len); | |
276 | itemsize = len; | |
277 | if (itemsize <= fieldsize) { | |
278 | send = chophere = s + itemsize; | |
279 | while (s < send) { | |
280 | if (*s == '\r') { | |
281 | itemsize = s - item; | |
282 | break; | |
283 | } | |
284 | if (*s++ & ~31) | |
285 | gotsome = TRUE; | |
286 | } | |
287 | } | |
288 | else { | |
289 | itemsize = fieldsize; | |
290 | send = chophere = s + itemsize; | |
291 | while (s < send || (s == send && isSPACE(*s))) { | |
292 | if (isSPACE(*s)) { | |
293 | if (chopspace) | |
294 | chophere = s; | |
295 | if (*s == '\r') | |
296 | break; | |
297 | } | |
298 | else { | |
299 | if (*s & ~31) | |
300 | gotsome = TRUE; | |
301 | if (strchr(chopset, *s)) | |
302 | chophere = s + 1; | |
303 | } | |
304 | s++; | |
305 | } | |
306 | itemsize = chophere - item; | |
307 | } | |
308 | break; | |
309 | ||
310 | case FF_SPACE: | |
311 | arg = fieldsize - itemsize; | |
312 | if (arg) { | |
313 | fieldsize -= arg; | |
314 | while (arg-- > 0) | |
315 | *t++ = ' '; | |
316 | } | |
317 | break; | |
318 | ||
319 | case FF_HALFSPACE: | |
320 | arg = fieldsize - itemsize; | |
321 | if (arg) { | |
322 | arg /= 2; | |
323 | fieldsize -= arg; | |
324 | while (arg-- > 0) | |
325 | *t++ = ' '; | |
326 | } | |
327 | break; | |
328 | ||
329 | case FF_ITEM: | |
330 | arg = itemsize; | |
331 | s = item; | |
332 | while (arg--) { | |
333 | #if 'z' - 'a' != 25 | |
334 | int ch = *t++ = *s++; | |
335 | if (!iscntrl(ch)) | |
336 | t[-1] = ' '; | |
337 | #else | |
338 | if ( !((*t++ = *s++) & ~31) ) | |
339 | t[-1] = ' '; | |
340 | #endif | |
341 | ||
342 | } | |
343 | break; | |
344 | ||
345 | case FF_CHOP: | |
346 | s = chophere; | |
347 | if (chopspace) { | |
348 | while (*s && isSPACE(*s)) | |
349 | s++; | |
350 | } | |
351 | sv_chop(sv,s); | |
352 | break; | |
353 | ||
354 | case FF_LINEGLOB: | |
355 | item = s = SvPV(sv, len); | |
356 | itemsize = len; | |
357 | if (itemsize) { | |
358 | gotsome = TRUE; | |
359 | send = s + itemsize; | |
360 | while (s < send) { | |
361 | if (*s++ == '\n') { | |
362 | if (s == send) | |
363 | itemsize--; | |
364 | else | |
365 | lines++; | |
366 | } | |
367 | } | |
368 | SvCUR_set(formtarget, t - SvPVX(formtarget)); | |
369 | sv_catpvn(formtarget, item, itemsize); | |
370 | SvGROW(formtarget, SvCUR(formtarget) + SvCUR(form) + 1); | |
371 | t = SvPVX(formtarget) + SvCUR(formtarget); | |
372 | } | |
373 | break; | |
374 | ||
375 | case FF_DECIMAL: | |
376 | /* If the field is marked with ^ and the value is undefined, | |
377 | blank it out. */ | |
378 | arg = *fpc++; | |
379 | if ((arg & 512) && !SvOK(sv)) { | |
380 | arg = fieldsize; | |
381 | while (arg--) | |
382 | *t++ = ' '; | |
383 | break; | |
384 | } | |
385 | gotsome = TRUE; | |
386 | value = SvNV(sv); | |
bbce6d69 | 387 | /* Formats aren't yet marked for locales, so assume "yes". */ |
36477c24 | 388 | SET_NUMERIC_LOCAL(); |
a0d0e21e LW |
389 | if (arg & 256) { |
390 | sprintf(t, "%#*.*f", (int) fieldsize, (int) arg & 255, value); | |
391 | } else { | |
392 | sprintf(t, "%*.0f", (int) fieldsize, value); | |
393 | } | |
394 | t += fieldsize; | |
395 | break; | |
396 | ||
397 | case FF_NEWLINE: | |
398 | f++; | |
399 | while (t-- > linemark && *t == ' ') ; | |
400 | t++; | |
401 | *t++ = '\n'; | |
402 | break; | |
403 | ||
404 | case FF_BLANK: | |
405 | arg = *fpc++; | |
406 | if (gotsome) { | |
407 | if (arg) { /* repeat until fields exhausted? */ | |
408 | *t = '\0'; | |
409 | SvCUR_set(formtarget, t - SvPVX(formtarget)); | |
410 | lines += FmLINES(formtarget); | |
411 | if (lines == 200) { | |
412 | arg = t - linemark; | |
413 | if (strnEQ(linemark, linemark - arg, arg)) | |
414 | DIE("Runaway format"); | |
415 | } | |
416 | FmLINES(formtarget) = lines; | |
417 | SP = ORIGMARK; | |
418 | RETURNOP(cLISTOP->op_first); | |
419 | } | |
420 | } | |
421 | else { | |
422 | t = linemark; | |
423 | lines--; | |
424 | } | |
425 | break; | |
426 | ||
427 | case FF_MORE: | |
428 | if (itemsize) { | |
429 | arg = fieldsize - itemsize; | |
430 | if (arg) { | |
431 | fieldsize -= arg; | |
432 | while (arg-- > 0) | |
433 | *t++ = ' '; | |
434 | } | |
435 | s = t - 3; | |
436 | if (strnEQ(s," ",3)) { | |
437 | while (s > SvPVX(formtarget) && isSPACE(s[-1])) | |
438 | s--; | |
439 | } | |
440 | *s++ = '.'; | |
441 | *s++ = '.'; | |
442 | *s++ = '.'; | |
443 | } | |
444 | break; | |
445 | ||
446 | case FF_END: | |
447 | *t = '\0'; | |
448 | SvCUR_set(formtarget, t - SvPVX(formtarget)); | |
449 | FmLINES(formtarget) += lines; | |
450 | SP = ORIGMARK; | |
451 | RETPUSHYES; | |
452 | } | |
453 | } | |
454 | } | |
455 | ||
456 | PP(pp_grepstart) | |
457 | { | |
458 | dSP; | |
459 | SV *src; | |
460 | ||
461 | if (stack_base + *markstack_ptr == sp) { | |
462 | (void)POPMARK; | |
54310121 | 463 | if (GIMME_V == G_SCALAR) |
a0d0e21e LW |
464 | XPUSHs(&sv_no); |
465 | RETURNOP(op->op_next->op_next); | |
466 | } | |
467 | stack_sp = stack_base + *markstack_ptr + 1; | |
468 | pp_pushmark(); /* push dst */ | |
469 | pp_pushmark(); /* push src */ | |
470 | ENTER; /* enter outer scope */ | |
471 | ||
472 | SAVETMPS; | |
473 | SAVESPTR(GvSV(defgv)); | |
474 | ||
475 | ENTER; /* enter inner scope */ | |
476 | SAVESPTR(curpm); | |
477 | ||
478 | src = stack_base[*markstack_ptr]; | |
479 | SvTEMP_off(src); | |
480 | GvSV(defgv) = src; | |
481 | ||
482 | PUTBACK; | |
483 | if (op->op_type == OP_MAPSTART) | |
484 | pp_pushmark(); /* push top */ | |
485 | return ((LOGOP*)op->op_next)->op_other; | |
486 | } | |
487 | ||
488 | PP(pp_mapstart) | |
489 | { | |
490 | DIE("panic: mapstart"); /* uses grepstart */ | |
491 | } | |
492 | ||
493 | PP(pp_mapwhile) | |
494 | { | |
495 | dSP; | |
496 | I32 diff = (sp - stack_base) - *markstack_ptr; | |
497 | I32 count; | |
498 | I32 shift; | |
499 | SV** src; | |
500 | SV** dst; | |
501 | ||
502 | ++markstack_ptr[-1]; | |
503 | if (diff) { | |
504 | if (diff > markstack_ptr[-1] - markstack_ptr[-2]) { | |
505 | shift = diff - (markstack_ptr[-1] - markstack_ptr[-2]); | |
506 | count = (sp - stack_base) - markstack_ptr[-1] + 2; | |
507 | ||
508 | EXTEND(sp,shift); | |
509 | src = sp; | |
510 | dst = (sp += shift); | |
511 | markstack_ptr[-1] += shift; | |
512 | *markstack_ptr += shift; | |
513 | while (--count) | |
514 | *dst-- = *src--; | |
515 | } | |
516 | dst = stack_base + (markstack_ptr[-2] += diff) - 1; | |
517 | ++diff; | |
518 | while (--diff) | |
519 | *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs); | |
520 | } | |
521 | LEAVE; /* exit inner scope */ | |
522 | ||
523 | /* All done yet? */ | |
524 | if (markstack_ptr[-1] > *markstack_ptr) { | |
525 | I32 items; | |
54310121 | 526 | I32 gimme = GIMME_V; |
a0d0e21e LW |
527 | |
528 | (void)POPMARK; /* pop top */ | |
529 | LEAVE; /* exit outer scope */ | |
530 | (void)POPMARK; /* pop src */ | |
531 | items = --*markstack_ptr - markstack_ptr[-1]; | |
532 | (void)POPMARK; /* pop dst */ | |
533 | SP = stack_base + POPMARK; /* pop original mark */ | |
54310121 | 534 | if (gimme == G_SCALAR) { |
a0d0e21e LW |
535 | dTARGET; |
536 | XPUSHi(items); | |
a0d0e21e | 537 | } |
54310121 | 538 | else if (gimme == G_ARRAY) |
539 | SP += items; | |
a0d0e21e LW |
540 | RETURN; |
541 | } | |
542 | else { | |
543 | SV *src; | |
544 | ||
545 | ENTER; /* enter inner scope */ | |
546 | SAVESPTR(curpm); | |
547 | ||
548 | src = stack_base[markstack_ptr[-1]]; | |
549 | SvTEMP_off(src); | |
550 | GvSV(defgv) = src; | |
551 | ||
552 | RETURNOP(cLOGOP->op_other); | |
553 | } | |
554 | } | |
555 | ||
556 | ||
557 | PP(pp_sort) | |
558 | { | |
559 | dSP; dMARK; dORIGMARK; | |
560 | register SV **up; | |
561 | SV **myorigmark = ORIGMARK; | |
562 | register I32 max; | |
563 | HV *stash; | |
564 | GV *gv; | |
565 | CV *cv; | |
566 | I32 gimme = GIMME; | |
567 | OP* nextop = op->op_next; | |
568 | ||
569 | if (gimme != G_ARRAY) { | |
570 | SP = MARK; | |
571 | RETPUSHUNDEF; | |
572 | } | |
573 | ||
574 | if (op->op_flags & OPf_STACKED) { | |
575 | ENTER; | |
576 | if (op->op_flags & OPf_SPECIAL) { | |
577 | OP *kid = cLISTOP->op_first->op_sibling; /* pass pushmark */ | |
578 | kid = kUNOP->op_first; /* pass rv2gv */ | |
579 | kid = kUNOP->op_first; /* pass leave */ | |
580 | sortcop = kid->op_next; | |
581 | stash = curcop->cop_stash; | |
582 | } | |
583 | else { | |
584 | cv = sv_2cv(*++MARK, &stash, &gv, 0); | |
585 | if (!(cv && CvROOT(cv))) { | |
586 | if (gv) { | |
587 | SV *tmpstr = sv_newmortal(); | |
e5cf08de | 588 | gv_efullname3(tmpstr, gv, Nullch); |
a0d0e21e LW |
589 | if (cv && CvXSUB(cv)) |
590 | DIE("Xsub \"%s\" called in sort", SvPVX(tmpstr)); | |
591 | DIE("Undefined sort subroutine \"%s\" called", | |
592 | SvPVX(tmpstr)); | |
593 | } | |
594 | if (cv) { | |
595 | if (CvXSUB(cv)) | |
596 | DIE("Xsub called in sort"); | |
597 | DIE("Undefined subroutine in sort"); | |
598 | } | |
599 | DIE("Not a CODE reference in sort"); | |
600 | } | |
601 | sortcop = CvSTART(cv); | |
602 | SAVESPTR(CvROOT(cv)->op_ppaddr); | |
603 | CvROOT(cv)->op_ppaddr = ppaddr[OP_NULL]; | |
604 | ||
605 | SAVESPTR(curpad); | |
606 | curpad = AvARRAY((AV*)AvARRAY(CvPADLIST(cv))[1]); | |
607 | } | |
608 | } | |
609 | else { | |
610 | sortcop = Nullop; | |
611 | stash = curcop->cop_stash; | |
612 | } | |
613 | ||
614 | up = myorigmark + 1; | |
615 | while (MARK < SP) { /* This may or may not shift down one here. */ | |
616 | /*SUPPRESS 560*/ | |
617 | if (*up = *++MARK) { /* Weed out nulls. */ | |
9f8d30d5 CS |
618 | SvTEMP_off(*up); |
619 | if (!sortcop && !SvPOK(*up)) | |
a0d0e21e | 620 | (void)sv_2pv(*up, &na); |
a0d0e21e LW |
621 | up++; |
622 | } | |
623 | } | |
624 | max = --up - myorigmark; | |
625 | if (sortcop) { | |
626 | if (max > 1) { | |
627 | AV *oldstack; | |
628 | CONTEXT *cx; | |
629 | SV** newsp; | |
54310121 | 630 | bool oldcatch = CATCH_GET; |
a0d0e21e LW |
631 | |
632 | SAVETMPS; | |
633 | SAVESPTR(op); | |
634 | ||
1ce6579f | 635 | oldstack = curstack; |
a0d0e21e LW |
636 | if (!sortstack) { |
637 | sortstack = newAV(); | |
638 | AvREAL_off(sortstack); | |
639 | av_extend(sortstack, 32); | |
640 | } | |
54310121 | 641 | CATCH_SET(TRUE); |
1ce6579f | 642 | SWITCHSTACK(curstack, sortstack); |
a0d0e21e LW |
643 | if (sortstash != stash) { |
644 | firstgv = gv_fetchpv("a", TRUE, SVt_PV); | |
645 | secondgv = gv_fetchpv("b", TRUE, SVt_PV); | |
646 | sortstash = stash; | |
647 | } | |
648 | ||
649 | SAVESPTR(GvSV(firstgv)); | |
650 | SAVESPTR(GvSV(secondgv)); | |
0a753a76 | 651 | PUSHBLOCK(cx, CXt_NULL, stack_base); |
a0d0e21e LW |
652 | sortcxix = cxstack_ix; |
653 | ||
654 | qsort((char*)(myorigmark+1), max, sizeof(SV*), sortcv); | |
655 | ||
656 | POPBLOCK(cx,curpm); | |
657 | SWITCHSTACK(sortstack, oldstack); | |
54310121 | 658 | CATCH_SET(oldcatch); |
a0d0e21e LW |
659 | } |
660 | LEAVE; | |
661 | } | |
662 | else { | |
663 | if (max > 1) { | |
664 | MEXTEND(SP, 20); /* Can't afford stack realloc on signal. */ | |
bbce6d69 | 665 | qsort((char*)(ORIGMARK+1), max, sizeof(SV*), |
666 | (op->op_private & OPpLOCALE) ? sortcmp_locale : sortcmp); | |
a0d0e21e LW |
667 | } |
668 | } | |
669 | stack_sp = ORIGMARK + max; | |
670 | return nextop; | |
671 | } | |
672 | ||
673 | /* Range stuff. */ | |
674 | ||
675 | PP(pp_range) | |
676 | { | |
677 | if (GIMME == G_ARRAY) | |
678 | return cCONDOP->op_true; | |
679 | return SvTRUEx(PAD_SV(op->op_targ)) ? cCONDOP->op_false : cCONDOP->op_true; | |
680 | } | |
681 | ||
682 | PP(pp_flip) | |
683 | { | |
684 | dSP; | |
685 | ||
686 | if (GIMME == G_ARRAY) { | |
687 | RETURNOP(((CONDOP*)cUNOP->op_first)->op_false); | |
688 | } | |
689 | else { | |
690 | dTOPss; | |
691 | SV *targ = PAD_SV(op->op_targ); | |
692 | ||
693 | if ((op->op_private & OPpFLIP_LINENUM) | |
694 | ? last_in_gv && SvIV(sv) == IoLINES(GvIOp(last_in_gv)) | |
695 | : SvTRUE(sv) ) { | |
696 | sv_setiv(PAD_SV(cUNOP->op_first->op_targ), 1); | |
697 | if (op->op_flags & OPf_SPECIAL) { | |
698 | sv_setiv(targ, 1); | |
699 | RETURN; | |
700 | } | |
701 | else { | |
702 | sv_setiv(targ, 0); | |
703 | sp--; | |
704 | RETURNOP(((CONDOP*)cUNOP->op_first)->op_false); | |
705 | } | |
706 | } | |
707 | sv_setpv(TARG, ""); | |
708 | SETs(targ); | |
709 | RETURN; | |
710 | } | |
711 | } | |
712 | ||
713 | PP(pp_flop) | |
714 | { | |
715 | dSP; | |
716 | ||
717 | if (GIMME == G_ARRAY) { | |
718 | dPOPPOPssrl; | |
719 | register I32 i; | |
720 | register SV *sv; | |
721 | I32 max; | |
722 | ||
4633a7c4 | 723 | if (SvNIOKp(left) || !SvPOKp(left) || |
bbce6d69 | 724 | (looks_like_number(left) && *SvPVX(left) != '0') ) |
725 | { | |
a0d0e21e LW |
726 | i = SvIV(left); |
727 | max = SvIV(right); | |
bbce6d69 | 728 | if (max >= i) { |
729 | EXTEND_MORTAL(max - i + 1); | |
a0d0e21e | 730 | EXTEND(SP, max - i + 1); |
bbce6d69 | 731 | } |
a0d0e21e | 732 | while (i <= max) { |
bbce6d69 | 733 | sv = sv_2mortal(newSViv(i++)); |
a0d0e21e LW |
734 | PUSHs(sv); |
735 | } | |
736 | } | |
737 | else { | |
738 | SV *final = sv_mortalcopy(right); | |
739 | STRLEN len; | |
740 | char *tmps = SvPV(final, len); | |
741 | ||
742 | sv = sv_mortalcopy(left); | |
4633a7c4 | 743 | while (!SvNIOKp(sv) && SvCUR(sv) <= len && |
a0d0e21e LW |
744 | strNE(SvPVX(sv),tmps) ) { |
745 | XPUSHs(sv); | |
746 | sv = sv_2mortal(newSVsv(sv)); | |
747 | sv_inc(sv); | |
748 | } | |
749 | if (strEQ(SvPVX(sv),tmps)) | |
750 | XPUSHs(sv); | |
751 | } | |
752 | } | |
753 | else { | |
754 | dTOPss; | |
755 | SV *targ = PAD_SV(cUNOP->op_first->op_targ); | |
756 | sv_inc(targ); | |
757 | if ((op->op_private & OPpFLIP_LINENUM) | |
758 | ? last_in_gv && SvIV(sv) == IoLINES(GvIOp(last_in_gv)) | |
759 | : SvTRUE(sv) ) { | |
760 | sv_setiv(PAD_SV(((UNOP*)cUNOP->op_first)->op_first->op_targ), 0); | |
761 | sv_catpv(targ, "E0"); | |
762 | } | |
763 | SETs(targ); | |
764 | } | |
765 | ||
766 | RETURN; | |
767 | } | |
768 | ||
769 | /* Control. */ | |
770 | ||
771 | static I32 | |
772 | dopoptolabel(label) | |
773 | char *label; | |
774 | { | |
775 | register I32 i; | |
776 | register CONTEXT *cx; | |
777 | ||
778 | for (i = cxstack_ix; i >= 0; i--) { | |
779 | cx = &cxstack[i]; | |
780 | switch (cx->cx_type) { | |
781 | case CXt_SUBST: | |
782 | if (dowarn) | |
783 | warn("Exiting substitution via %s", op_name[op->op_type]); | |
784 | break; | |
785 | case CXt_SUB: | |
786 | if (dowarn) | |
787 | warn("Exiting subroutine via %s", op_name[op->op_type]); | |
788 | break; | |
789 | case CXt_EVAL: | |
790 | if (dowarn) | |
791 | warn("Exiting eval via %s", op_name[op->op_type]); | |
792 | break; | |
0a753a76 | 793 | case CXt_NULL: |
794 | if (dowarn) | |
795 | warn("Exiting pseudo-block via %s", op_name[op->op_type]); | |
796 | return -1; | |
a0d0e21e LW |
797 | case CXt_LOOP: |
798 | if (!cx->blk_loop.label || | |
799 | strNE(label, cx->blk_loop.label) ) { | |
68dc0745 | 800 | DEBUG_l(deb("(Skipping label #%ld %s)\n", |
801 | (long)i, cx->blk_loop.label)); | |
a0d0e21e LW |
802 | continue; |
803 | } | |
68dc0745 | 804 | DEBUG_l( deb("(Found label #%ld %s)\n", (long)i, label)); |
a0d0e21e LW |
805 | return i; |
806 | } | |
807 | } | |
808 | return i; | |
809 | } | |
810 | ||
e50aee73 AD |
811 | I32 |
812 | dowantarray() | |
813 | { | |
54310121 | 814 | I32 gimme = block_gimme(); |
815 | return (gimme == G_VOID) ? G_SCALAR : gimme; | |
816 | } | |
817 | ||
818 | I32 | |
819 | block_gimme() | |
820 | { | |
e50aee73 AD |
821 | I32 cxix; |
822 | ||
823 | cxix = dopoptosub(cxstack_ix); | |
824 | if (cxix < 0) | |
46fc3d4c | 825 | return G_VOID; |
e50aee73 | 826 | |
54310121 | 827 | switch (cxstack[cxix].blk_gimme) { |
828 | case G_VOID: | |
829 | return G_VOID; | |
830 | case G_SCALAR: | |
e50aee73 | 831 | return G_SCALAR; |
54310121 | 832 | case G_ARRAY: |
833 | return G_ARRAY; | |
834 | default: | |
835 | croak("panic: bad gimme: %d\n", cxstack[cxix].blk_gimme); | |
836 | } | |
e50aee73 AD |
837 | } |
838 | ||
a0d0e21e LW |
839 | static I32 |
840 | dopoptosub(startingblock) | |
841 | I32 startingblock; | |
842 | { | |
843 | I32 i; | |
844 | register CONTEXT *cx; | |
845 | for (i = startingblock; i >= 0; i--) { | |
846 | cx = &cxstack[i]; | |
847 | switch (cx->cx_type) { | |
848 | default: | |
849 | continue; | |
850 | case CXt_EVAL: | |
851 | case CXt_SUB: | |
68dc0745 | 852 | DEBUG_l( deb("(Found sub #%ld)\n", (long)i)); |
a0d0e21e LW |
853 | return i; |
854 | } | |
855 | } | |
856 | return i; | |
857 | } | |
858 | ||
859 | static I32 | |
860 | dopoptoeval(startingblock) | |
861 | I32 startingblock; | |
862 | { | |
863 | I32 i; | |
864 | register CONTEXT *cx; | |
865 | for (i = startingblock; i >= 0; i--) { | |
866 | cx = &cxstack[i]; | |
867 | switch (cx->cx_type) { | |
868 | default: | |
869 | continue; | |
870 | case CXt_EVAL: | |
68dc0745 | 871 | DEBUG_l( deb("(Found eval #%ld)\n", (long)i)); |
a0d0e21e LW |
872 | return i; |
873 | } | |
874 | } | |
875 | return i; | |
876 | } | |
877 | ||
878 | static I32 | |
879 | dopoptoloop(startingblock) | |
880 | I32 startingblock; | |
881 | { | |
882 | I32 i; | |
883 | register CONTEXT *cx; | |
884 | for (i = startingblock; i >= 0; i--) { | |
885 | cx = &cxstack[i]; | |
886 | switch (cx->cx_type) { | |
887 | case CXt_SUBST: | |
888 | if (dowarn) | |
5f05dabc | 889 | warn("Exiting substitution via %s", op_name[op->op_type]); |
a0d0e21e LW |
890 | break; |
891 | case CXt_SUB: | |
892 | if (dowarn) | |
893 | warn("Exiting subroutine via %s", op_name[op->op_type]); | |
894 | break; | |
895 | case CXt_EVAL: | |
896 | if (dowarn) | |
897 | warn("Exiting eval via %s", op_name[op->op_type]); | |
898 | break; | |
0a753a76 | 899 | case CXt_NULL: |
900 | if (dowarn) | |
901 | warn("Exiting pseudo-block via %s", op_name[op->op_type]); | |
902 | return -1; | |
a0d0e21e | 903 | case CXt_LOOP: |
68dc0745 | 904 | DEBUG_l( deb("(Found loop #%ld)\n", (long)i)); |
a0d0e21e LW |
905 | return i; |
906 | } | |
907 | } | |
908 | return i; | |
909 | } | |
910 | ||
911 | void | |
912 | dounwind(cxix) | |
913 | I32 cxix; | |
914 | { | |
915 | register CONTEXT *cx; | |
916 | SV **newsp; | |
917 | I32 optype; | |
918 | ||
919 | while (cxstack_ix > cxix) { | |
920 | cx = &cxstack[cxstack_ix--]; | |
760ac839 | 921 | DEBUG_l(PerlIO_printf(Perl_debug_log, "Unwinding block %ld, type %s\n", (long) cxstack_ix+1, |
a0d0e21e LW |
922 | block_type[cx->cx_type])); |
923 | /* Note: we don't need to restore the base context info till the end. */ | |
924 | switch (cx->cx_type) { | |
925 | case CXt_SUB: | |
926 | POPSUB(cx); | |
927 | break; | |
928 | case CXt_EVAL: | |
929 | POPEVAL(cx); | |
930 | break; | |
931 | case CXt_LOOP: | |
932 | POPLOOP(cx); | |
933 | break; | |
0a753a76 | 934 | case CXt_NULL: |
a0d0e21e LW |
935 | case CXt_SUBST: |
936 | break; | |
937 | } | |
938 | } | |
939 | } | |
940 | ||
a0d0e21e LW |
941 | OP * |
942 | die_where(message) | |
943 | char *message; | |
944 | { | |
945 | if (in_eval) { | |
946 | I32 cxix; | |
947 | register CONTEXT *cx; | |
948 | I32 gimme; | |
949 | SV **newsp; | |
950 | ||
4633a7c4 LW |
951 | if (in_eval & 4) { |
952 | SV **svp; | |
953 | STRLEN klen = strlen(message); | |
954 | ||
955 | svp = hv_fetch(GvHV(errgv), message, klen, TRUE); | |
956 | if (svp) { | |
957 | if (!SvIOK(*svp)) { | |
958 | static char prefix[] = "\t(in cleanup) "; | |
959 | sv_upgrade(*svp, SVt_IV); | |
960 | (void)SvIOK_only(*svp); | |
961 | SvGROW(GvSV(errgv), SvCUR(GvSV(errgv))+sizeof(prefix)+klen); | |
962 | sv_catpvn(GvSV(errgv), prefix, sizeof(prefix)-1); | |
963 | sv_catpvn(GvSV(errgv), message, klen); | |
964 | } | |
965 | sv_inc(*svp); | |
966 | } | |
967 | } | |
968 | else | |
c07a80fd | 969 | sv_setpv(GvSV(errgv), message); |
4633a7c4 | 970 | |
a0d0e21e LW |
971 | cxix = dopoptoeval(cxstack_ix); |
972 | if (cxix >= 0) { | |
973 | I32 optype; | |
974 | ||
975 | if (cxix < cxstack_ix) | |
976 | dounwind(cxix); | |
977 | ||
978 | POPBLOCK(cx,curpm); | |
979 | if (cx->cx_type != CXt_EVAL) { | |
760ac839 | 980 | PerlIO_printf(PerlIO_stderr(), "panic: die %s", message); |
a0d0e21e LW |
981 | my_exit(1); |
982 | } | |
983 | POPEVAL(cx); | |
984 | ||
985 | if (gimme == G_SCALAR) | |
986 | *++newsp = &sv_undef; | |
987 | stack_sp = newsp; | |
988 | ||
989 | LEAVE; | |
748a9306 | 990 | |
7a2e2cd6 | 991 | if (optype == OP_REQUIRE) { |
992 | char* msg = SvPVx(GvSV(errgv), na); | |
993 | DIE("%s", *msg ? msg : "Compilation failed in require"); | |
994 | } | |
a0d0e21e LW |
995 | return pop_return(); |
996 | } | |
997 | } | |
760ac839 LW |
998 | PerlIO_printf(PerlIO_stderr(), "%s",message); |
999 | PerlIO_flush(PerlIO_stderr()); | |
f86702cc | 1000 | my_failure_exit(); |
1001 | /* NOTREACHED */ | |
a0d0e21e LW |
1002 | return 0; |
1003 | } | |
1004 | ||
1005 | PP(pp_xor) | |
1006 | { | |
1007 | dSP; dPOPTOPssrl; | |
1008 | if (SvTRUE(left) != SvTRUE(right)) | |
1009 | RETSETYES; | |
1010 | else | |
1011 | RETSETNO; | |
1012 | } | |
1013 | ||
1014 | PP(pp_andassign) | |
1015 | { | |
1016 | dSP; | |
1017 | if (!SvTRUE(TOPs)) | |
1018 | RETURN; | |
1019 | else | |
1020 | RETURNOP(cLOGOP->op_other); | |
1021 | } | |
1022 | ||
1023 | PP(pp_orassign) | |
1024 | { | |
1025 | dSP; | |
1026 | if (SvTRUE(TOPs)) | |
1027 | RETURN; | |
1028 | else | |
1029 | RETURNOP(cLOGOP->op_other); | |
1030 | } | |
1031 | ||
1032 | #ifdef DEPRECATED | |
1033 | PP(pp_entersubr) | |
1034 | { | |
1035 | dSP; | |
1036 | SV** mark = (stack_base + *markstack_ptr + 1); | |
1037 | SV* cv = *mark; | |
1038 | while (mark < sp) { /* emulate old interface */ | |
1039 | *mark = mark[1]; | |
1040 | mark++; | |
1041 | } | |
1042 | *sp = cv; | |
1043 | return pp_entersub(); | |
1044 | } | |
1045 | #endif | |
1046 | ||
1047 | PP(pp_caller) | |
1048 | { | |
1049 | dSP; | |
1050 | register I32 cxix = dopoptosub(cxstack_ix); | |
1051 | register CONTEXT *cx; | |
1052 | I32 dbcxix; | |
54310121 | 1053 | I32 gimme; |
a0d0e21e LW |
1054 | SV *sv; |
1055 | I32 count = 0; | |
1056 | ||
1057 | if (MAXARG) | |
1058 | count = POPi; | |
1059 | EXTEND(SP, 6); | |
1060 | for (;;) { | |
1061 | if (cxix < 0) { | |
1062 | if (GIMME != G_ARRAY) | |
1063 | RETPUSHUNDEF; | |
1064 | RETURN; | |
1065 | } | |
1066 | if (DBsub && cxix >= 0 && | |
1067 | cxstack[cxix].blk_sub.cv == GvCV(DBsub)) | |
1068 | count++; | |
1069 | if (!count--) | |
1070 | break; | |
1071 | cxix = dopoptosub(cxix - 1); | |
1072 | } | |
1073 | cx = &cxstack[cxix]; | |
06a5b730 | 1074 | if (cxstack[cxix].cx_type == CXt_SUB) { |
1075 | dbcxix = dopoptosub(cxix - 1); | |
1076 | /* We expect that cxstack[dbcxix] is CXt_SUB, anyway, the | |
1077 | field below is defined for any cx. */ | |
1078 | if (DBsub && dbcxix >= 0 && cxstack[dbcxix].blk_sub.cv == GvCV(DBsub)) | |
1079 | cx = &cxstack[dbcxix]; | |
1080 | } | |
1081 | ||
a0d0e21e LW |
1082 | if (GIMME != G_ARRAY) { |
1083 | dTARGET; | |
1084 | ||
1085 | sv_setpv(TARG, HvNAME(cx->blk_oldcop->cop_stash)); | |
1086 | PUSHs(TARG); | |
1087 | RETURN; | |
1088 | } | |
a0d0e21e LW |
1089 | |
1090 | PUSHs(sv_2mortal(newSVpv(HvNAME(cx->blk_oldcop->cop_stash), 0))); | |
1091 | PUSHs(sv_2mortal(newSVpv(SvPVX(GvSV(cx->blk_oldcop->cop_filegv)), 0))); | |
1092 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_oldcop->cop_line))); | |
1093 | if (!MAXARG) | |
1094 | RETURN; | |
06a5b730 | 1095 | if (cx->cx_type == CXt_SUB) { /* So is cxstack[dbcxix]. */ |
a0d0e21e | 1096 | sv = NEWSV(49, 0); |
e5cf08de | 1097 | gv_efullname3(sv, CvGV(cxstack[cxix].blk_sub.cv), Nullch); |
a0d0e21e LW |
1098 | PUSHs(sv_2mortal(sv)); |
1099 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_sub.hasargs))); | |
1100 | } | |
1101 | else { | |
1102 | PUSHs(sv_2mortal(newSVpv("(eval)",0))); | |
1103 | PUSHs(sv_2mortal(newSViv(0))); | |
1104 | } | |
54310121 | 1105 | gimme = (I32)cx->blk_gimme; |
1106 | if (gimme == G_VOID) | |
1107 | PUSHs(&sv_undef); | |
1108 | else | |
1109 | PUSHs(sv_2mortal(newSViv(gimme & G_ARRAY))); | |
4633a7c4 | 1110 | if (cx->cx_type == CXt_EVAL) { |
06a5b730 | 1111 | if (cx->blk_eval.old_op_type == OP_ENTEREVAL) { |
4633a7c4 | 1112 | PUSHs(cx->blk_eval.cur_text); |
06a5b730 | 1113 | PUSHs(&sv_no); |
1114 | } | |
1115 | else if (cx->blk_eval.old_name) { /* Try blocks have old_name == 0. */ | |
1116 | /* Require, put the name. */ | |
1117 | PUSHs(sv_2mortal(newSVpv(cx->blk_eval.old_name, 0))); | |
1118 | PUSHs(&sv_yes); | |
1119 | } | |
4633a7c4 LW |
1120 | } |
1121 | else if (cx->cx_type == CXt_SUB && | |
1122 | cx->blk_sub.hasargs && | |
1123 | curcop->cop_stash == debstash) | |
1124 | { | |
a0d0e21e LW |
1125 | AV *ary = cx->blk_sub.argarray; |
1126 | int off = AvARRAY(ary) - AvALLOC(ary); | |
1127 | ||
1128 | if (!dbargs) { | |
1129 | GV* tmpgv; | |
1130 | dbargs = GvAV(gv_AVadd(tmpgv = gv_fetchpv("DB::args", TRUE, | |
1131 | SVt_PVAV))); | |
a5f75d66 | 1132 | GvMULTI_on(tmpgv); |
a0d0e21e LW |
1133 | AvREAL_off(dbargs); /* XXX Should be REIFY */ |
1134 | } | |
1135 | ||
1136 | if (AvMAX(dbargs) < AvFILL(ary) + off) | |
1137 | av_extend(dbargs, AvFILL(ary) + off); | |
1138 | Copy(AvALLOC(ary), AvARRAY(dbargs), AvFILL(ary) + 1 + off, SV*); | |
1139 | AvFILL(dbargs) = AvFILL(ary) + off; | |
1140 | } | |
1141 | RETURN; | |
1142 | } | |
1143 | ||
1144 | static int | |
1145 | sortcv(a, b) | |
1146 | const void *a; | |
1147 | const void *b; | |
1148 | { | |
9607fc9c | 1149 | SV * const *str1 = (SV * const *)a; |
1150 | SV * const *str2 = (SV * const *)b; | |
748a9306 | 1151 | I32 oldsaveix = savestack_ix; |
a0d0e21e LW |
1152 | I32 oldscopeix = scopestack_ix; |
1153 | I32 result; | |
1154 | GvSV(firstgv) = *str1; | |
1155 | GvSV(secondgv) = *str2; | |
1156 | stack_sp = stack_base; | |
1157 | op = sortcop; | |
a6c477ed | 1158 | runops(); |
a0d0e21e LW |
1159 | if (stack_sp != stack_base + 1) |
1160 | croak("Sort subroutine didn't return single value"); | |
748a9306 | 1161 | if (!SvNIOKp(*stack_sp)) |
a0d0e21e LW |
1162 | croak("Sort subroutine didn't return a numeric value"); |
1163 | result = SvIV(*stack_sp); | |
1164 | while (scopestack_ix > oldscopeix) { | |
1165 | LEAVE; | |
1166 | } | |
748a9306 | 1167 | leave_scope(oldsaveix); |
a0d0e21e LW |
1168 | return result; |
1169 | } | |
1170 | ||
1171 | static int | |
1172 | sortcmp(a, b) | |
1173 | const void *a; | |
1174 | const void *b; | |
1175 | { | |
9607fc9c | 1176 | return sv_cmp(*(SV * const *)a, *(SV * const *)b); |
bbce6d69 | 1177 | } |
e5cf08de | 1178 | |
bbce6d69 | 1179 | static int |
1180 | sortcmp_locale(a, b) | |
1181 | const void *a; | |
1182 | const void *b; | |
1183 | { | |
9607fc9c | 1184 | return sv_cmp_locale(*(SV * const *)a, *(SV * const *)b); |
a0d0e21e LW |
1185 | } |
1186 | ||
1187 | PP(pp_reset) | |
1188 | { | |
1189 | dSP; | |
1190 | char *tmps; | |
1191 | ||
1192 | if (MAXARG < 1) | |
1193 | tmps = ""; | |
1194 | else | |
1195 | tmps = POPp; | |
1196 | sv_reset(tmps, curcop->cop_stash); | |
1197 | PUSHs(&sv_yes); | |
1198 | RETURN; | |
1199 | } | |
1200 | ||
1201 | PP(pp_lineseq) | |
1202 | { | |
1203 | return NORMAL; | |
1204 | } | |
1205 | ||
1206 | PP(pp_dbstate) | |
1207 | { | |
1208 | curcop = (COP*)op; | |
1209 | TAINT_NOT; /* Each statement is presumed innocent */ | |
1210 | stack_sp = stack_base + cxstack[cxstack_ix].blk_oldsp; | |
1211 | FREETMPS; | |
1212 | ||
1213 | if (op->op_private || SvIV(DBsingle) || SvIV(DBsignal) || SvIV(DBtrace)) | |
1214 | { | |
1215 | SV **sp; | |
1216 | register CV *cv; | |
1217 | register CONTEXT *cx; | |
748a9306 | 1218 | I32 gimme = G_ARRAY; |
a0d0e21e LW |
1219 | I32 hasargs; |
1220 | GV *gv; | |
1221 | ||
a0d0e21e LW |
1222 | gv = DBgv; |
1223 | cv = GvCV(gv); | |
a0d0e21e LW |
1224 | if (!cv) |
1225 | DIE("No DB::DB routine defined"); | |
1226 | ||
06a5b730 | 1227 | if (CvDEPTH(cv) >= 1 && !(debug & (1<<30))) /* don't do recursive DB::DB call */ |
a0d0e21e | 1228 | return NORMAL; |
748a9306 | 1229 | |
4633a7c4 LW |
1230 | ENTER; |
1231 | SAVETMPS; | |
1232 | ||
748a9306 | 1233 | SAVEI32(debug); |
55497cff | 1234 | SAVESTACK_POS(); |
748a9306 LW |
1235 | debug = 0; |
1236 | hasargs = 0; | |
1237 | sp = stack_sp; | |
1238 | ||
a0d0e21e | 1239 | push_return(op->op_next); |
748a9306 | 1240 | PUSHBLOCK(cx, CXt_SUB, sp); |
a0d0e21e LW |
1241 | PUSHSUB(cx); |
1242 | CvDEPTH(cv)++; | |
1243 | (void)SvREFCNT_inc(cv); | |
1244 | SAVESPTR(curpad); | |
1245 | curpad = AvARRAY((AV*)*av_fetch(CvPADLIST(cv),1,FALSE)); | |
1246 | RETURNOP(CvSTART(cv)); | |
1247 | } | |
1248 | else | |
1249 | return NORMAL; | |
1250 | } | |
1251 | ||
1252 | PP(pp_scope) | |
1253 | { | |
1254 | return NORMAL; | |
1255 | } | |
1256 | ||
1257 | PP(pp_enteriter) | |
1258 | { | |
1259 | dSP; dMARK; | |
1260 | register CONTEXT *cx; | |
54310121 | 1261 | I32 gimme = GIMME_V; |
a0d0e21e LW |
1262 | SV **svp; |
1263 | ||
4633a7c4 LW |
1264 | ENTER; |
1265 | SAVETMPS; | |
1266 | ||
a0d0e21e LW |
1267 | if (op->op_targ) |
1268 | svp = &curpad[op->op_targ]; /* "my" variable */ | |
1269 | else | |
1270 | svp = &GvSV((GV*)POPs); /* symbol table variable */ | |
1271 | ||
4633a7c4 LW |
1272 | SAVESPTR(*svp); |
1273 | ||
a0d0e21e LW |
1274 | ENTER; |
1275 | ||
1276 | PUSHBLOCK(cx, CXt_LOOP, SP); | |
1277 | PUSHLOOP(cx, svp, MARK); | |
44a8e56a | 1278 | if (op->op_flags & OPf_STACKED) |
1279 | cx->blk_loop.iterary = (AV*)SvREFCNT_inc(POPs); | |
4633a7c4 | 1280 | else { |
1ce6579f | 1281 | cx->blk_loop.iterary = curstack; |
1282 | AvFILL(curstack) = sp - stack_base; | |
4633a7c4 LW |
1283 | cx->blk_loop.iterix = MARK - stack_base; |
1284 | } | |
a0d0e21e LW |
1285 | |
1286 | RETURN; | |
1287 | } | |
1288 | ||
1289 | PP(pp_enterloop) | |
1290 | { | |
1291 | dSP; | |
1292 | register CONTEXT *cx; | |
54310121 | 1293 | I32 gimme = GIMME_V; |
a0d0e21e LW |
1294 | |
1295 | ENTER; | |
1296 | SAVETMPS; | |
1297 | ENTER; | |
1298 | ||
1299 | PUSHBLOCK(cx, CXt_LOOP, SP); | |
1300 | PUSHLOOP(cx, 0, SP); | |
1301 | ||
1302 | RETURN; | |
1303 | } | |
1304 | ||
1305 | PP(pp_leaveloop) | |
1306 | { | |
1307 | dSP; | |
1308 | register CONTEXT *cx; | |
f86702cc | 1309 | struct block_loop cxloop; |
a0d0e21e LW |
1310 | I32 gimme; |
1311 | SV **newsp; | |
1312 | PMOP *newpm; | |
1313 | SV **mark; | |
1314 | ||
1315 | POPBLOCK(cx,newpm); | |
4fdae800 | 1316 | mark = newsp; |
f86702cc | 1317 | POPLOOP1(cx); /* Delay POPLOOP2 until stack values are safe */ |
1318 | ||
54310121 | 1319 | if (gimme == G_VOID) |
1320 | ; /* do nothing */ | |
1321 | else if (gimme == G_SCALAR) { | |
1322 | if (mark < SP) | |
1323 | *++newsp = sv_mortalcopy(*SP); | |
1324 | else | |
1325 | *++newsp = &sv_undef; | |
a0d0e21e LW |
1326 | } |
1327 | else { | |
1328 | while (mark < SP) | |
1329 | *++newsp = sv_mortalcopy(*++mark); | |
1330 | } | |
f86702cc | 1331 | SP = newsp; |
1332 | PUTBACK; | |
1333 | ||
1334 | POPLOOP2(); /* Stack values are safe: release loop vars ... */ | |
1335 | curpm = newpm; /* ... and pop $1 et al */ | |
1336 | ||
a0d0e21e LW |
1337 | LEAVE; |
1338 | LEAVE; | |
1339 | ||
f86702cc | 1340 | return NORMAL; |
a0d0e21e LW |
1341 | } |
1342 | ||
1343 | PP(pp_return) | |
1344 | { | |
1345 | dSP; dMARK; | |
1346 | I32 cxix; | |
1347 | register CONTEXT *cx; | |
f86702cc | 1348 | struct block_sub cxsub; |
1349 | bool popsub2 = FALSE; | |
a0d0e21e LW |
1350 | I32 gimme; |
1351 | SV **newsp; | |
1352 | PMOP *newpm; | |
1353 | I32 optype = 0; | |
1354 | ||
1ce6579f | 1355 | if (curstack == sortstack) { |
a0d0e21e | 1356 | if (cxstack_ix == sortcxix || dopoptosub(cxstack_ix) < sortcxix) { |
16d20bd9 AD |
1357 | if (cxstack_ix > sortcxix) |
1358 | dounwind(sortcxix); | |
1ce6579f | 1359 | AvARRAY(curstack)[1] = *SP; |
a0d0e21e LW |
1360 | stack_sp = stack_base + 1; |
1361 | return 0; | |
1362 | } | |
1363 | } | |
1364 | ||
1365 | cxix = dopoptosub(cxstack_ix); | |
1366 | if (cxix < 0) | |
1367 | DIE("Can't return outside a subroutine"); | |
1368 | if (cxix < cxstack_ix) | |
1369 | dounwind(cxix); | |
1370 | ||
1371 | POPBLOCK(cx,newpm); | |
1372 | switch (cx->cx_type) { | |
1373 | case CXt_SUB: | |
f86702cc | 1374 | POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */ |
1375 | popsub2 = TRUE; | |
a0d0e21e LW |
1376 | break; |
1377 | case CXt_EVAL: | |
1378 | POPEVAL(cx); | |
748a9306 LW |
1379 | if (optype == OP_REQUIRE && |
1380 | (MARK == SP || (gimme == G_SCALAR && !SvTRUE(*SP))) ) | |
1381 | { | |
54310121 | 1382 | /* Unassume the success we assumed earlier. */ |
748a9306 LW |
1383 | char *name = cx->blk_eval.old_name; |
1384 | (void)hv_delete(GvHVn(incgv), name, strlen(name), G_DISCARD); | |
1385 | DIE("%s did not return a true value", name); | |
1386 | } | |
a0d0e21e LW |
1387 | break; |
1388 | default: | |
1389 | DIE("panic: return"); | |
a0d0e21e LW |
1390 | } |
1391 | ||
1392 | if (gimme == G_SCALAR) { | |
1393 | if (MARK < SP) | |
f86702cc | 1394 | *++newsp = (popsub2 && SvTEMP(*SP)) |
1395 | ? *SP : sv_mortalcopy(*SP); | |
a0d0e21e LW |
1396 | else |
1397 | *++newsp = &sv_undef; | |
a0d0e21e | 1398 | } |
54310121 | 1399 | else if (gimme == G_ARRAY) { |
f86702cc | 1400 | while (++MARK <= SP) |
1401 | *++newsp = (popsub2 && SvTEMP(*MARK)) | |
1402 | ? *MARK : sv_mortalcopy(*MARK); | |
a0d0e21e | 1403 | } |
a0d0e21e LW |
1404 | stack_sp = newsp; |
1405 | ||
f86702cc | 1406 | /* Stack values are safe: */ |
1407 | if (popsub2) { | |
1408 | POPSUB2(); /* release CV and @_ ... */ | |
1409 | } | |
1410 | curpm = newpm; /* ... and pop $1 et al */ | |
1411 | ||
a0d0e21e LW |
1412 | LEAVE; |
1413 | return pop_return(); | |
1414 | } | |
1415 | ||
1416 | PP(pp_last) | |
1417 | { | |
1418 | dSP; | |
1419 | I32 cxix; | |
1420 | register CONTEXT *cx; | |
f86702cc | 1421 | struct block_loop cxloop; |
1422 | struct block_sub cxsub; | |
1423 | I32 pop2 = 0; | |
a0d0e21e LW |
1424 | I32 gimme; |
1425 | I32 optype; | |
1426 | OP *nextop; | |
1427 | SV **newsp; | |
1428 | PMOP *newpm; | |
1429 | SV **mark = stack_base + cxstack[cxstack_ix].blk_oldsp; | |
a0d0e21e LW |
1430 | |
1431 | if (op->op_flags & OPf_SPECIAL) { | |
1432 | cxix = dopoptoloop(cxstack_ix); | |
1433 | if (cxix < 0) | |
1434 | DIE("Can't \"last\" outside a block"); | |
1435 | } | |
1436 | else { | |
1437 | cxix = dopoptolabel(cPVOP->op_pv); | |
1438 | if (cxix < 0) | |
1439 | DIE("Label not found for \"last %s\"", cPVOP->op_pv); | |
1440 | } | |
1441 | if (cxix < cxstack_ix) | |
1442 | dounwind(cxix); | |
1443 | ||
1444 | POPBLOCK(cx,newpm); | |
1445 | switch (cx->cx_type) { | |
1446 | case CXt_LOOP: | |
f86702cc | 1447 | POPLOOP1(cx); /* Delay POPLOOP2 until stack values are safe */ |
1448 | pop2 = CXt_LOOP; | |
4fdae800 | 1449 | nextop = cxloop.last_op->op_next; |
a0d0e21e | 1450 | break; |
f86702cc | 1451 | case CXt_SUB: |
1452 | POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */ | |
1453 | pop2 = CXt_SUB; | |
a0d0e21e LW |
1454 | nextop = pop_return(); |
1455 | break; | |
f86702cc | 1456 | case CXt_EVAL: |
1457 | POPEVAL(cx); | |
a0d0e21e LW |
1458 | nextop = pop_return(); |
1459 | break; | |
1460 | default: | |
1461 | DIE("panic: last"); | |
a0d0e21e LW |
1462 | } |
1463 | ||
1464 | if (gimme == G_SCALAR) { | |
f86702cc | 1465 | if (MARK < SP) |
1466 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*SP)) | |
1467 | ? *SP : sv_mortalcopy(*SP); | |
a0d0e21e LW |
1468 | else |
1469 | *++newsp = &sv_undef; | |
1470 | } | |
54310121 | 1471 | else if (gimme == G_ARRAY) { |
f86702cc | 1472 | while (++MARK <= SP) |
1473 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*MARK)) | |
1474 | ? *MARK : sv_mortalcopy(*MARK); | |
1475 | } | |
1476 | SP = newsp; | |
1477 | PUTBACK; | |
1478 | ||
1479 | /* Stack values are safe: */ | |
1480 | switch (pop2) { | |
1481 | case CXt_LOOP: | |
1482 | POPLOOP2(); /* release loop vars ... */ | |
4fdae800 | 1483 | LEAVE; |
f86702cc | 1484 | break; |
1485 | case CXt_SUB: | |
1486 | POPSUB2(); /* release CV and @_ ... */ | |
1487 | break; | |
a0d0e21e | 1488 | } |
f86702cc | 1489 | curpm = newpm; /* ... and pop $1 et al */ |
a0d0e21e LW |
1490 | |
1491 | LEAVE; | |
f86702cc | 1492 | return nextop; |
a0d0e21e LW |
1493 | } |
1494 | ||
1495 | PP(pp_next) | |
1496 | { | |
1497 | I32 cxix; | |
1498 | register CONTEXT *cx; | |
1499 | I32 oldsave; | |
1500 | ||
1501 | if (op->op_flags & OPf_SPECIAL) { | |
1502 | cxix = dopoptoloop(cxstack_ix); | |
1503 | if (cxix < 0) | |
1504 | DIE("Can't \"next\" outside a block"); | |
1505 | } | |
1506 | else { | |
1507 | cxix = dopoptolabel(cPVOP->op_pv); | |
1508 | if (cxix < 0) | |
1509 | DIE("Label not found for \"next %s\"", cPVOP->op_pv); | |
1510 | } | |
1511 | if (cxix < cxstack_ix) | |
1512 | dounwind(cxix); | |
1513 | ||
1514 | TOPBLOCK(cx); | |
1515 | oldsave = scopestack[scopestack_ix - 1]; | |
1516 | LEAVE_SCOPE(oldsave); | |
1517 | return cx->blk_loop.next_op; | |
1518 | } | |
1519 | ||
1520 | PP(pp_redo) | |
1521 | { | |
1522 | I32 cxix; | |
1523 | register CONTEXT *cx; | |
1524 | I32 oldsave; | |
1525 | ||
1526 | if (op->op_flags & OPf_SPECIAL) { | |
1527 | cxix = dopoptoloop(cxstack_ix); | |
1528 | if (cxix < 0) | |
1529 | DIE("Can't \"redo\" outside a block"); | |
1530 | } | |
1531 | else { | |
1532 | cxix = dopoptolabel(cPVOP->op_pv); | |
1533 | if (cxix < 0) | |
1534 | DIE("Label not found for \"redo %s\"", cPVOP->op_pv); | |
1535 | } | |
1536 | if (cxix < cxstack_ix) | |
1537 | dounwind(cxix); | |
1538 | ||
1539 | TOPBLOCK(cx); | |
1540 | oldsave = scopestack[scopestack_ix - 1]; | |
1541 | LEAVE_SCOPE(oldsave); | |
1542 | return cx->blk_loop.redo_op; | |
1543 | } | |
1544 | ||
1545 | static OP* lastgotoprobe; | |
1546 | ||
1547 | static OP * | |
fc36a67e | 1548 | dofindlabel(op,label,opstack,oplimit) |
a0d0e21e LW |
1549 | OP *op; |
1550 | char *label; | |
1551 | OP **opstack; | |
fc36a67e | 1552 | OP **oplimit; |
a0d0e21e LW |
1553 | { |
1554 | OP *kid; | |
1555 | OP **ops = opstack; | |
fc36a67e | 1556 | static char too_deep[] = "Target of goto is too deeply nested"; |
a0d0e21e | 1557 | |
fc36a67e | 1558 | if (ops >= oplimit) |
1559 | croak(too_deep); | |
a0d0e21e LW |
1560 | if (op->op_type == OP_LEAVE || |
1561 | op->op_type == OP_SCOPE || | |
1562 | op->op_type == OP_LEAVELOOP || | |
1563 | op->op_type == OP_LEAVETRY) | |
fc36a67e | 1564 | { |
1565 | *ops++ = cUNOP->op_first; | |
1566 | if (ops >= oplimit) | |
1567 | croak(too_deep); | |
1568 | } | |
a0d0e21e LW |
1569 | *ops = 0; |
1570 | if (op->op_flags & OPf_KIDS) { | |
1571 | /* First try all the kids at this level, since that's likeliest. */ | |
1572 | for (kid = cUNOP->op_first; kid; kid = kid->op_sibling) { | |
1573 | if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) && | |
1574 | kCOP->cop_label && strEQ(kCOP->cop_label, label)) | |
1575 | return kid; | |
1576 | } | |
1577 | for (kid = cUNOP->op_first; kid; kid = kid->op_sibling) { | |
1578 | if (kid == lastgotoprobe) | |
1579 | continue; | |
fc36a67e | 1580 | if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) && |
1581 | (ops == opstack || | |
1582 | (ops[-1]->op_type != OP_NEXTSTATE && | |
1583 | ops[-1]->op_type != OP_DBSTATE))) | |
1584 | *ops++ = kid; | |
1585 | if (op = dofindlabel(kid, label, ops, oplimit)) | |
a0d0e21e LW |
1586 | return op; |
1587 | } | |
1588 | } | |
1589 | *ops = 0; | |
1590 | return 0; | |
1591 | } | |
1592 | ||
1593 | PP(pp_dump) | |
1594 | { | |
1595 | return pp_goto(ARGS); | |
1596 | /*NOTREACHED*/ | |
1597 | } | |
1598 | ||
1599 | PP(pp_goto) | |
1600 | { | |
1601 | dSP; | |
1602 | OP *retop = 0; | |
1603 | I32 ix; | |
1604 | register CONTEXT *cx; | |
fc36a67e | 1605 | #define GOTO_DEPTH 64 |
1606 | OP *enterops[GOTO_DEPTH]; | |
a0d0e21e LW |
1607 | char *label; |
1608 | int do_dump = (op->op_type == OP_DUMP); | |
1609 | ||
1610 | label = 0; | |
1611 | if (op->op_flags & OPf_STACKED) { | |
1612 | SV *sv = POPs; | |
1613 | ||
1614 | /* This egregious kludge implements goto &subroutine */ | |
1615 | if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) { | |
1616 | I32 cxix; | |
1617 | register CONTEXT *cx; | |
1618 | CV* cv = (CV*)SvRV(sv); | |
1619 | SV** mark; | |
1620 | I32 items = 0; | |
1621 | I32 oldsave; | |
1622 | ||
4aa0a1f7 AD |
1623 | if (!CvROOT(cv) && !CvXSUB(cv)) { |
1624 | if (CvGV(cv)) { | |
1625 | SV *tmpstr = sv_newmortal(); | |
e5cf08de | 1626 | gv_efullname3(tmpstr, CvGV(cv), Nullch); |
4aa0a1f7 AD |
1627 | DIE("Goto undefined subroutine &%s",SvPVX(tmpstr)); |
1628 | } | |
1629 | DIE("Goto undefined subroutine"); | |
1630 | } | |
1631 | ||
a0d0e21e LW |
1632 | /* First do some returnish stuff. */ |
1633 | cxix = dopoptosub(cxstack_ix); | |
1634 | if (cxix < 0) | |
1635 | DIE("Can't goto subroutine outside a subroutine"); | |
1636 | if (cxix < cxstack_ix) | |
1637 | dounwind(cxix); | |
1638 | TOPBLOCK(cx); | |
1639 | mark = stack_sp; | |
1640 | if (cx->blk_sub.hasargs) { /* put @_ back onto stack */ | |
1641 | AV* av = cx->blk_sub.argarray; | |
1642 | ||
1643 | items = AvFILL(av) + 1; | |
1ce6579f | 1644 | stack_sp++; |
1645 | EXTEND(stack_sp, items); /* @_ could have been extended. */ | |
1646 | Copy(AvARRAY(av), stack_sp, items, SV*); | |
a0d0e21e | 1647 | stack_sp += items; |
2c05e328 | 1648 | SvREFCNT_dec(GvAV(defgv)); |
a0d0e21e | 1649 | GvAV(defgv) = cx->blk_sub.savearray; |
a0d0e21e | 1650 | AvREAL_off(av); |
4633a7c4 | 1651 | av_clear(av); |
a0d0e21e LW |
1652 | } |
1653 | if (!(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth)) | |
1654 | SvREFCNT_dec(cx->blk_sub.cv); | |
1655 | oldsave = scopestack[scopestack_ix - 1]; | |
1656 | LEAVE_SCOPE(oldsave); | |
1657 | ||
1658 | /* Now do some callish stuff. */ | |
1659 | SAVETMPS; | |
1660 | if (CvXSUB(cv)) { | |
1661 | if (CvOLDSTYLE(cv)) { | |
ecfc5424 | 1662 | I32 (*fp3)_((int,int,int)); |
a0d0e21e LW |
1663 | while (sp > mark) { |
1664 | sp[1] = sp[0]; | |
1665 | sp--; | |
1666 | } | |
ecfc5424 AD |
1667 | fp3 = (I32(*)_((int,int,int)))CvXSUB(cv); |
1668 | items = (*fp3)(CvXSUBANY(cv).any_i32, | |
1669 | mark - stack_base + 1, | |
1670 | items); | |
a0d0e21e LW |
1671 | sp = stack_base + items; |
1672 | } | |
1673 | else { | |
1ce6579f | 1674 | stack_sp--; /* There is no cv arg. */ |
a0d0e21e LW |
1675 | (void)(*CvXSUB(cv))(cv); |
1676 | } | |
1677 | LEAVE; | |
1678 | return pop_return(); | |
1679 | } | |
1680 | else { | |
1681 | AV* padlist = CvPADLIST(cv); | |
1682 | SV** svp = AvARRAY(padlist); | |
1683 | cx->blk_sub.cv = cv; | |
1684 | cx->blk_sub.olddepth = CvDEPTH(cv); | |
1685 | CvDEPTH(cv)++; | |
1686 | if (CvDEPTH(cv) < 2) | |
1687 | (void)SvREFCNT_inc(cv); | |
1688 | else { /* save temporaries on recursion? */ | |
1689 | if (CvDEPTH(cv) == 100 && dowarn) | |
44a8e56a | 1690 | sub_crush_depth(cv); |
a0d0e21e LW |
1691 | if (CvDEPTH(cv) > AvFILL(padlist)) { |
1692 | AV *newpad = newAV(); | |
4aa0a1f7 | 1693 | SV **oldpad = AvARRAY(svp[CvDEPTH(cv)-1]); |
a0d0e21e LW |
1694 | I32 ix = AvFILL((AV*)svp[1]); |
1695 | svp = AvARRAY(svp[0]); | |
748a9306 | 1696 | for ( ;ix > 0; ix--) { |
a0d0e21e | 1697 | if (svp[ix] != &sv_undef) { |
748a9306 | 1698 | char *name = SvPVX(svp[ix]); |
5f05dabc | 1699 | if ((SvFLAGS(svp[ix]) & SVf_FAKE) |
1700 | || *name == '&') | |
1701 | { | |
1702 | /* outer lexical or anon code */ | |
748a9306 | 1703 | av_store(newpad, ix, |
4aa0a1f7 | 1704 | SvREFCNT_inc(oldpad[ix]) ); |
748a9306 LW |
1705 | } |
1706 | else { /* our own lexical */ | |
1707 | if (*name == '@') | |
1708 | av_store(newpad, ix, sv = (SV*)newAV()); | |
1709 | else if (*name == '%') | |
1710 | av_store(newpad, ix, sv = (SV*)newHV()); | |
1711 | else | |
1712 | av_store(newpad, ix, sv = NEWSV(0,0)); | |
1713 | SvPADMY_on(sv); | |
1714 | } | |
a0d0e21e LW |
1715 | } |
1716 | else { | |
748a9306 | 1717 | av_store(newpad, ix, sv = NEWSV(0,0)); |
a0d0e21e LW |
1718 | SvPADTMP_on(sv); |
1719 | } | |
1720 | } | |
1721 | if (cx->blk_sub.hasargs) { | |
1722 | AV* av = newAV(); | |
1723 | av_extend(av, 0); | |
1724 | av_store(newpad, 0, (SV*)av); | |
1725 | AvFLAGS(av) = AVf_REIFY; | |
1726 | } | |
1727 | av_store(padlist, CvDEPTH(cv), (SV*)newpad); | |
1728 | AvFILL(padlist) = CvDEPTH(cv); | |
1729 | svp = AvARRAY(padlist); | |
1730 | } | |
1731 | } | |
1732 | SAVESPTR(curpad); | |
1733 | curpad = AvARRAY((AV*)svp[CvDEPTH(cv)]); | |
1734 | if (cx->blk_sub.hasargs) { | |
1735 | AV* av = (AV*)curpad[0]; | |
1736 | SV** ary; | |
1737 | ||
1738 | cx->blk_sub.savearray = GvAV(defgv); | |
1739 | cx->blk_sub.argarray = av; | |
2c05e328 | 1740 | GvAV(defgv) = (AV*)SvREFCNT_inc(av); |
a0d0e21e LW |
1741 | ++mark; |
1742 | ||
1743 | if (items >= AvMAX(av) + 1) { | |
1744 | ary = AvALLOC(av); | |
1745 | if (AvARRAY(av) != ary) { | |
1746 | AvMAX(av) += AvARRAY(av) - AvALLOC(av); | |
1747 | SvPVX(av) = (char*)ary; | |
1748 | } | |
1749 | if (items >= AvMAX(av) + 1) { | |
1750 | AvMAX(av) = items - 1; | |
1751 | Renew(ary,items+1,SV*); | |
1752 | AvALLOC(av) = ary; | |
1753 | SvPVX(av) = (char*)ary; | |
1754 | } | |
1755 | } | |
1756 | Copy(mark,AvARRAY(av),items,SV*); | |
1757 | AvFILL(av) = items - 1; | |
1758 | ||
1759 | while (items--) { | |
1760 | if (*mark) | |
1761 | SvTEMP_off(*mark); | |
1762 | mark++; | |
1763 | } | |
1764 | } | |
f967eb5f | 1765 | if (perldb && curstash != debstash) { |
44a8e56a | 1766 | /* |
1767 | * We do not care about using sv to call CV; | |
1768 | * it's for informational purposes only. | |
1769 | */ | |
1ce6579f | 1770 | SV *sv = GvSV(DBsub); |
1771 | save_item(sv); | |
e5cf08de | 1772 | gv_efullname3(sv, CvGV(cv), Nullch); |
1ce6579f | 1773 | } |
a0d0e21e LW |
1774 | RETURNOP(CvSTART(cv)); |
1775 | } | |
1776 | } | |
1777 | else | |
1778 | label = SvPV(sv,na); | |
1779 | } | |
1780 | else if (op->op_flags & OPf_SPECIAL) { | |
1781 | if (! do_dump) | |
1782 | DIE("goto must have label"); | |
1783 | } | |
1784 | else | |
1785 | label = cPVOP->op_pv; | |
1786 | ||
1787 | if (label && *label) { | |
1788 | OP *gotoprobe = 0; | |
1789 | ||
1790 | /* find label */ | |
1791 | ||
1792 | lastgotoprobe = 0; | |
1793 | *enterops = 0; | |
1794 | for (ix = cxstack_ix; ix >= 0; ix--) { | |
1795 | cx = &cxstack[ix]; | |
1796 | switch (cx->cx_type) { | |
1797 | case CXt_SUB: | |
1798 | gotoprobe = CvROOT(cx->blk_sub.cv); | |
1799 | break; | |
1800 | case CXt_EVAL: | |
1801 | gotoprobe = eval_root; /* XXX not good for nested eval */ | |
1802 | break; | |
1803 | case CXt_LOOP: | |
1804 | gotoprobe = cx->blk_oldcop->op_sibling; | |
1805 | break; | |
1806 | case CXt_SUBST: | |
1807 | continue; | |
1808 | case CXt_BLOCK: | |
1809 | if (ix) | |
1810 | gotoprobe = cx->blk_oldcop->op_sibling; | |
1811 | else | |
1812 | gotoprobe = main_root; | |
1813 | break; | |
0a753a76 | 1814 | case CXt_NULL: |
1815 | DIE("Can't \"goto\" outside a block"); | |
a0d0e21e LW |
1816 | default: |
1817 | if (ix) | |
1818 | DIE("panic: goto"); | |
68dc0745 | 1819 | gotoprobe = main_root; |
a0d0e21e LW |
1820 | break; |
1821 | } | |
fc36a67e | 1822 | retop = dofindlabel(gotoprobe, label, |
1823 | enterops, enterops + GOTO_DEPTH); | |
a0d0e21e LW |
1824 | if (retop) |
1825 | break; | |
1826 | lastgotoprobe = gotoprobe; | |
1827 | } | |
1828 | if (!retop) | |
1829 | DIE("Can't find label %s", label); | |
1830 | ||
1831 | /* pop unwanted frames */ | |
1832 | ||
1833 | if (ix < cxstack_ix) { | |
1834 | I32 oldsave; | |
1835 | ||
1836 | if (ix < 0) | |
1837 | ix = 0; | |
1838 | dounwind(ix); | |
1839 | TOPBLOCK(cx); | |
1840 | oldsave = scopestack[scopestack_ix]; | |
1841 | LEAVE_SCOPE(oldsave); | |
1842 | } | |
1843 | ||
1844 | /* push wanted frames */ | |
1845 | ||
748a9306 | 1846 | if (*enterops && enterops[1]) { |
a0d0e21e | 1847 | OP *oldop = op; |
748a9306 | 1848 | for (ix = 1; enterops[ix]; ix++) { |
a0d0e21e LW |
1849 | op = enterops[ix]; |
1850 | (*op->op_ppaddr)(); | |
1851 | } | |
1852 | op = oldop; | |
1853 | } | |
1854 | } | |
1855 | ||
1856 | if (do_dump) { | |
a5f75d66 AD |
1857 | #ifdef VMS |
1858 | if (!retop) retop = main_start; | |
1859 | #endif | |
a0d0e21e LW |
1860 | restartop = retop; |
1861 | do_undump = TRUE; | |
1862 | ||
1863 | my_unexec(); | |
1864 | ||
1865 | restartop = 0; /* hmm, must be GNU unexec().. */ | |
1866 | do_undump = FALSE; | |
1867 | } | |
1868 | ||
1ce6579f | 1869 | if (curstack == signalstack) { |
748a9306 | 1870 | restartop = retop; |
54310121 | 1871 | JMPENV_JUMP(3); |
748a9306 LW |
1872 | } |
1873 | ||
a0d0e21e LW |
1874 | RETURNOP(retop); |
1875 | } | |
1876 | ||
1877 | PP(pp_exit) | |
1878 | { | |
1879 | dSP; | |
1880 | I32 anum; | |
1881 | ||
1882 | if (MAXARG < 1) | |
1883 | anum = 0; | |
ff0cee69 | 1884 | else { |
a0d0e21e | 1885 | anum = SvIVx(POPs); |
ff0cee69 | 1886 | #ifdef VMSISH_EXIT |
1887 | if (anum == 1 && VMSISH_EXIT) | |
1888 | anum = 0; | |
1889 | #endif | |
1890 | } | |
a0d0e21e LW |
1891 | my_exit(anum); |
1892 | PUSHs(&sv_undef); | |
1893 | RETURN; | |
1894 | } | |
1895 | ||
1896 | #ifdef NOTYET | |
1897 | PP(pp_nswitch) | |
1898 | { | |
1899 | dSP; | |
1900 | double value = SvNVx(GvSV(cCOP->cop_gv)); | |
1901 | register I32 match = I_32(value); | |
1902 | ||
1903 | if (value < 0.0) { | |
1904 | if (((double)match) > value) | |
1905 | --match; /* was fractional--truncate other way */ | |
1906 | } | |
1907 | match -= cCOP->uop.scop.scop_offset; | |
1908 | if (match < 0) | |
1909 | match = 0; | |
1910 | else if (match > cCOP->uop.scop.scop_max) | |
1911 | match = cCOP->uop.scop.scop_max; | |
1912 | op = cCOP->uop.scop.scop_next[match]; | |
1913 | RETURNOP(op); | |
1914 | } | |
1915 | ||
1916 | PP(pp_cswitch) | |
1917 | { | |
1918 | dSP; | |
1919 | register I32 match; | |
1920 | ||
1921 | if (multiline) | |
1922 | op = op->op_next; /* can't assume anything */ | |
1923 | else { | |
1924 | match = *(SvPVx(GvSV(cCOP->cop_gv), na)) & 255; | |
1925 | match -= cCOP->uop.scop.scop_offset; | |
1926 | if (match < 0) | |
1927 | match = 0; | |
1928 | else if (match > cCOP->uop.scop.scop_max) | |
1929 | match = cCOP->uop.scop.scop_max; | |
1930 | op = cCOP->uop.scop.scop_next[match]; | |
1931 | } | |
1932 | RETURNOP(op); | |
1933 | } | |
1934 | #endif | |
1935 | ||
1936 | /* Eval. */ | |
1937 | ||
1938 | static void | |
1939 | save_lines(array, sv) | |
1940 | AV *array; | |
1941 | SV *sv; | |
1942 | { | |
1943 | register char *s = SvPVX(sv); | |
1944 | register char *send = SvPVX(sv) + SvCUR(sv); | |
1945 | register char *t; | |
1946 | register I32 line = 1; | |
1947 | ||
1948 | while (s && s < send) { | |
1949 | SV *tmpstr = NEWSV(85,0); | |
1950 | ||
1951 | sv_upgrade(tmpstr, SVt_PVMG); | |
1952 | t = strchr(s, '\n'); | |
1953 | if (t) | |
1954 | t++; | |
1955 | else | |
1956 | t = send; | |
1957 | ||
1958 | sv_setpvn(tmpstr, s, t - s); | |
1959 | av_store(array, line++, tmpstr); | |
1960 | s = t; | |
1961 | } | |
1962 | } | |
1963 | ||
1964 | static OP * | |
1e422769 | 1965 | docatch(o) |
1966 | OP *o; | |
1967 | { | |
1968 | int ret; | |
035902c7 | 1969 | I32 oldrunlevel = runlevel; |
1e422769 | 1970 | OP *oldop = op; |
54310121 | 1971 | dJMPENV; |
1e422769 | 1972 | |
1973 | op = o; | |
1e422769 | 1974 | #ifdef DEBUGGING |
54310121 | 1975 | assert(CATCH_GET == TRUE); |
035902c7 | 1976 | DEBUG_l(deb("(Setting up local jumplevel, runlevel = %ld)\n", (long)runlevel+1)); |
1e422769 | 1977 | #endif |
22921e25 CS |
1978 | JMPENV_PUSH(ret); |
1979 | switch (ret) { | |
1e422769 | 1980 | default: /* topmost level handles it */ |
54310121 | 1981 | JMPENV_POP; |
1e422769 | 1982 | runlevel = oldrunlevel; |
1e422769 | 1983 | op = oldop; |
54310121 | 1984 | JMPENV_JUMP(ret); |
1e422769 | 1985 | /* NOTREACHED */ |
1986 | case 3: | |
1987 | if (!restartop) { | |
1988 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); | |
1989 | break; | |
1990 | } | |
1e422769 | 1991 | op = restartop; |
1992 | restartop = 0; | |
1993 | /* FALL THROUGH */ | |
1994 | case 0: | |
1995 | runops(); | |
1996 | break; | |
1997 | } | |
54310121 | 1998 | JMPENV_POP; |
1e422769 | 1999 | runlevel = oldrunlevel; |
1e422769 | 2000 | op = oldop; |
2001 | return Nullop; | |
2002 | } | |
2003 | ||
2004 | static OP * | |
a0d0e21e LW |
2005 | doeval(gimme) |
2006 | int gimme; | |
2007 | { | |
2008 | dSP; | |
2009 | OP *saveop = op; | |
2010 | HV *newstash; | |
ff3ff8d1 | 2011 | CV *caller; |
748a9306 | 2012 | AV* comppadlist; |
a0d0e21e LW |
2013 | |
2014 | in_eval = 1; | |
2015 | ||
1ce6579f | 2016 | PUSHMARK(SP); |
2017 | ||
a0d0e21e LW |
2018 | /* set up a scratch pad */ |
2019 | ||
55497cff | 2020 | SAVEI32(padix); |
a0d0e21e LW |
2021 | SAVESPTR(curpad); |
2022 | SAVESPTR(comppad); | |
2023 | SAVESPTR(comppad_name); | |
55497cff | 2024 | SAVEI32(comppad_name_fill); |
2025 | SAVEI32(min_intro_pending); | |
2026 | SAVEI32(max_intro_pending); | |
748a9306 | 2027 | |
ff3ff8d1 | 2028 | caller = compcv; |
748a9306 LW |
2029 | SAVESPTR(compcv); |
2030 | compcv = (CV*)NEWSV(1104,0); | |
2031 | sv_upgrade((SV *)compcv, SVt_PVCV); | |
07055b4c | 2032 | CvUNIQUE_on(compcv); |
748a9306 | 2033 | |
a0d0e21e LW |
2034 | comppad = newAV(); |
2035 | comppad_name = newAV(); | |
2036 | comppad_name_fill = 0; | |
2037 | min_intro_pending = 0; | |
2038 | av_push(comppad, Nullsv); | |
2039 | curpad = AvARRAY(comppad); | |
2040 | padix = 0; | |
2041 | ||
748a9306 LW |
2042 | comppadlist = newAV(); |
2043 | AvREAL_off(comppadlist); | |
8e07c86e AD |
2044 | av_store(comppadlist, 0, (SV*)comppad_name); |
2045 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 | 2046 | CvPADLIST(compcv) = comppadlist; |
2c05e328 CS |
2047 | |
2048 | if (saveop->op_type != OP_REQUIRE) | |
2049 | CvOUTSIDE(compcv) = (CV*)SvREFCNT_inc(caller); | |
07055b4c | 2050 | |
8e07c86e | 2051 | SAVEFREESV(compcv); |
748a9306 | 2052 | |
a0d0e21e LW |
2053 | /* make sure we compile in the right package */ |
2054 | ||
2055 | newstash = curcop->cop_stash; | |
2056 | if (curstash != newstash) { | |
2057 | SAVESPTR(curstash); | |
2058 | curstash = newstash; | |
2059 | } | |
2060 | SAVESPTR(beginav); | |
2061 | beginav = newAV(); | |
2062 | SAVEFREESV(beginav); | |
2063 | ||
2064 | /* try to compile it */ | |
2065 | ||
2066 | eval_root = Nullop; | |
2067 | error_count = 0; | |
2068 | curcop = &compiling; | |
2069 | curcop->cop_arybase = 0; | |
c07a80fd | 2070 | SvREFCNT_dec(rs); |
2071 | rs = newSVpv("\n", 1); | |
1ce6579f | 2072 | if (saveop->op_flags & OPf_SPECIAL) |
2073 | in_eval |= 4; | |
2074 | else | |
2075 | sv_setpv(GvSV(errgv),""); | |
a0d0e21e LW |
2076 | if (yyparse() || error_count || !eval_root) { |
2077 | SV **newsp; | |
2078 | I32 gimme; | |
2079 | CONTEXT *cx; | |
2080 | I32 optype; | |
2081 | ||
2082 | op = saveop; | |
2083 | if (eval_root) { | |
2084 | op_free(eval_root); | |
2085 | eval_root = Nullop; | |
2086 | } | |
1ce6579f | 2087 | SP = stack_base + POPMARK; /* pop original mark */ |
a0d0e21e LW |
2088 | POPBLOCK(cx,curpm); |
2089 | POPEVAL(cx); | |
2090 | pop_return(); | |
2091 | lex_end(); | |
2092 | LEAVE; | |
7a2e2cd6 | 2093 | if (optype == OP_REQUIRE) { |
2094 | char* msg = SvPVx(GvSV(errgv), na); | |
2095 | DIE("%s", *msg ? msg : "Compilation failed in require"); | |
2096 | } | |
c07a80fd | 2097 | SvREFCNT_dec(rs); |
2098 | rs = SvREFCNT_inc(nrs); | |
a0d0e21e LW |
2099 | RETPUSHUNDEF; |
2100 | } | |
c07a80fd | 2101 | SvREFCNT_dec(rs); |
2102 | rs = SvREFCNT_inc(nrs); | |
a0d0e21e | 2103 | compiling.cop_line = 0; |
a0d0e21e | 2104 | SAVEFREEOP(eval_root); |
54310121 | 2105 | if (gimme & G_VOID) |
2106 | scalarvoid(eval_root); | |
2107 | else if (gimme & G_ARRAY) | |
a0d0e21e LW |
2108 | list(eval_root); |
2109 | else | |
2110 | scalar(eval_root); | |
2111 | ||
2112 | DEBUG_x(dump_eval()); | |
2113 | ||
55497cff | 2114 | /* Register with debugger: */ |
55497cff | 2115 | if (perldb && saveop->op_type == OP_REQUIRE) { |
2116 | CV *cv = perl_get_cv("DB::postponed", FALSE); | |
55497cff | 2117 | if (cv) { |
2118 | dSP; | |
2119 | PUSHMARK(sp); | |
2120 | XPUSHs((SV*)compiling.cop_filegv); | |
2121 | PUTBACK; | |
2122 | perl_call_sv((SV*)cv, G_DISCARD); | |
2123 | } | |
2124 | } | |
2125 | ||
a0d0e21e LW |
2126 | /* compiled okay, so do it */ |
2127 | ||
4fdae800 | 2128 | CvDEPTH(compcv) = 1; |
2129 | ||
1ce6579f | 2130 | SP = stack_base + POPMARK; /* pop original mark */ |
a0d0e21e LW |
2131 | RETURNOP(eval_start); |
2132 | } | |
2133 | ||
2134 | PP(pp_require) | |
2135 | { | |
2136 | dSP; | |
2137 | register CONTEXT *cx; | |
2138 | SV *sv; | |
2139 | char *name; | |
46fc3d4c | 2140 | char *tryname; |
2141 | SV *namesv = Nullsv; | |
a0d0e21e LW |
2142 | SV** svp; |
2143 | I32 gimme = G_SCALAR; | |
760ac839 | 2144 | PerlIO *tryrsfp = 0; |
a0d0e21e LW |
2145 | |
2146 | sv = POPs; | |
4633a7c4 | 2147 | if (SvNIOKp(sv) && !SvPOKp(sv)) { |
36477c24 | 2148 | SET_NUMERIC_STANDARD(); |
a5f75d66 AD |
2149 | if (atof(patchlevel) + 0.00000999 < SvNV(sv)) |
2150 | DIE("Perl %s required--this is only version %s, stopped", | |
2151 | SvPV(sv,na),patchlevel); | |
a0d0e21e LW |
2152 | RETPUSHYES; |
2153 | } | |
2154 | name = SvPV(sv, na); | |
2155 | if (!*name) | |
2156 | DIE("Null filename used"); | |
4633a7c4 | 2157 | TAINT_PROPER("require"); |
a0d0e21e LW |
2158 | if (op->op_type == OP_REQUIRE && |
2159 | (svp = hv_fetch(GvHVn(incgv), name, SvCUR(sv), 0)) && | |
2160 | *svp != &sv_undef) | |
2161 | RETPUSHYES; | |
2162 | ||
2163 | /* prepare to compile file */ | |
2164 | ||
46fc3d4c | 2165 | if (*name == '/' || |
2166 | (*name == '.' && | |
2167 | (name[1] == '/' || | |
2168 | (name[1] == '.' && name[2] == '/'))) | |
4633a7c4 | 2169 | #ifdef DOSISH |
46fc3d4c | 2170 | || (name[0] && name[1] == ':') |
4633a7c4 | 2171 | #endif |
748a9306 | 2172 | #ifdef VMS |
46fc3d4c | 2173 | || (strchr(name,':') || ((*name == '[' || *name == '<') && |
2174 | (isALNUM(name[1]) || strchr("$-_]>",name[1])))) | |
748a9306 LW |
2175 | #endif |
2176 | ) | |
a0d0e21e | 2177 | { |
46fc3d4c | 2178 | tryname = name; |
2179 | tryrsfp = PerlIO_open(name,"r"); | |
a0d0e21e LW |
2180 | } |
2181 | else { | |
2182 | AV *ar = GvAVn(incgv); | |
2183 | I32 i; | |
748a9306 | 2184 | #ifdef VMS |
46fc3d4c | 2185 | char *unixname; |
2186 | if ((unixname = tounixspec(name, Nullch)) != Nullch) | |
2187 | #endif | |
2188 | { | |
2189 | namesv = NEWSV(806, 0); | |
2190 | for (i = 0; i <= AvFILL(ar); i++) { | |
2191 | char *dir = SvPVx(*av_fetch(ar, i, TRUE), na); | |
2192 | #ifdef VMS | |
2193 | char *unixdir; | |
2194 | if ((unixdir = tounixpath(dir, Nullch)) == Nullch) | |
2195 | continue; | |
2196 | sv_setpv(namesv, unixdir); | |
2197 | sv_catpv(namesv, unixname); | |
748a9306 | 2198 | #else |
46fc3d4c | 2199 | sv_setpvf(namesv, "%s/%s", dir, name); |
748a9306 | 2200 | #endif |
46fc3d4c | 2201 | tryname = SvPVX(namesv); |
2202 | tryrsfp = PerlIO_open(tryname, "r"); | |
2203 | if (tryrsfp) { | |
2204 | if (tryname[0] == '.' && tryname[1] == '/') | |
2205 | tryname += 2; | |
2206 | break; | |
2207 | } | |
a0d0e21e LW |
2208 | } |
2209 | } | |
2210 | } | |
2211 | SAVESPTR(compiling.cop_filegv); | |
46fc3d4c | 2212 | compiling.cop_filegv = gv_fetchfile(tryrsfp ? tryname : name); |
2213 | SvREFCNT_dec(namesv); | |
a0d0e21e LW |
2214 | if (!tryrsfp) { |
2215 | if (op->op_type == OP_REQUIRE) { | |
46fc3d4c | 2216 | SV *msg = sv_2mortal(newSVpvf("Can't locate %s in @INC", name)); |
2217 | if (instr(SvPVX(msg), ".h ")) | |
2218 | sv_catpv(msg, " (change .h to .ph maybe?)"); | |
2219 | if (instr(SvPVX(msg), ".ph ")) | |
2220 | sv_catpv(msg, " (did you run h2ph?)"); | |
fc36a67e | 2221 | DIE("%_", msg); |
a0d0e21e LW |
2222 | } |
2223 | ||
2224 | RETPUSHUNDEF; | |
2225 | } | |
2226 | ||
2227 | /* Assume success here to prevent recursive requirement. */ | |
2228 | (void)hv_store(GvHVn(incgv), name, strlen(name), | |
2229 | newSVsv(GvSV(compiling.cop_filegv)), 0 ); | |
2230 | ||
2231 | ENTER; | |
2232 | SAVETMPS; | |
2233 | lex_start(sv_2mortal(newSVpv("",0))); | |
e50aee73 AD |
2234 | if (rsfp_filters){ |
2235 | save_aptr(&rsfp_filters); | |
2236 | rsfp_filters = NULL; | |
2237 | } | |
2238 | ||
a0d0e21e LW |
2239 | rsfp = tryrsfp; |
2240 | name = savepv(name); | |
2241 | SAVEFREEPV(name); | |
2242 | SAVEI32(hints); | |
2243 | hints = 0; | |
2244 | ||
2245 | /* switch to eval mode */ | |
2246 | ||
2247 | push_return(op->op_next); | |
2248 | PUSHBLOCK(cx, CXt_EVAL, SP); | |
2249 | PUSHEVAL(cx, name, compiling.cop_filegv); | |
2250 | ||
2251 | compiling.cop_line = 0; | |
2252 | ||
2253 | PUTBACK; | |
1e422769 | 2254 | return DOCATCH(doeval(G_SCALAR)); |
a0d0e21e LW |
2255 | } |
2256 | ||
2257 | PP(pp_dofile) | |
2258 | { | |
2259 | return pp_require(ARGS); | |
2260 | } | |
2261 | ||
2262 | PP(pp_entereval) | |
2263 | { | |
2264 | dSP; | |
2265 | register CONTEXT *cx; | |
2266 | dPOPss; | |
54310121 | 2267 | I32 gimme = GIMME_V, was = sub_generation; |
fc36a67e | 2268 | char tmpbuf[TYPE_DIGITS(long) + 12]; |
2269 | char *safestr; | |
a0d0e21e | 2270 | STRLEN len; |
55497cff | 2271 | OP *ret; |
a0d0e21e LW |
2272 | |
2273 | if (!SvPV(sv,len) || !len) | |
2274 | RETPUSHUNDEF; | |
748a9306 | 2275 | TAINT_PROPER("eval"); |
a0d0e21e LW |
2276 | |
2277 | ENTER; | |
a0d0e21e | 2278 | lex_start(sv); |
748a9306 | 2279 | SAVETMPS; |
a0d0e21e LW |
2280 | |
2281 | /* switch to eval mode */ | |
2282 | ||
748a9306 | 2283 | SAVESPTR(compiling.cop_filegv); |
ff0cee69 | 2284 | sprintf(tmpbuf, "_<(eval %lu)", (unsigned long)++evalseq); |
a0d0e21e LW |
2285 | compiling.cop_filegv = gv_fetchfile(tmpbuf+2); |
2286 | compiling.cop_line = 1; | |
55497cff | 2287 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
2288 | deleting the eval's FILEGV from the stash before gv_check() runs | |
2289 | (i.e. before run-time proper). To work around the coredump that | |
2290 | ensues, we always turn GvMULTI_on for any globals that were | |
2291 | introduced within evals. See force_ident(). GSAR 96-10-12 */ | |
2292 | safestr = savepv(tmpbuf); | |
2293 | SAVEDELETE(defstash, safestr, strlen(safestr)); | |
a0d0e21e LW |
2294 | SAVEI32(hints); |
2295 | hints = op->op_targ; | |
2296 | ||
2297 | push_return(op->op_next); | |
2298 | PUSHBLOCK(cx, CXt_EVAL, SP); | |
2299 | PUSHEVAL(cx, 0, compiling.cop_filegv); | |
2300 | ||
2301 | /* prepare to compile string */ | |
2302 | ||
2303 | if (perldb && curstash != debstash) | |
2304 | save_lines(GvAV(compiling.cop_filegv), linestr); | |
2305 | PUTBACK; | |
55497cff | 2306 | ret = doeval(gimme); |
2307 | if (perldb && was != sub_generation) { /* Some subs defined here. */ | |
2308 | strcpy(safestr, "_<(eval )"); /* Anything fake and short. */ | |
2309 | } | |
1e422769 | 2310 | return DOCATCH(ret); |
a0d0e21e LW |
2311 | } |
2312 | ||
2313 | PP(pp_leaveeval) | |
2314 | { | |
2315 | dSP; | |
2316 | register SV **mark; | |
2317 | SV **newsp; | |
2318 | PMOP *newpm; | |
2319 | I32 gimme; | |
2320 | register CONTEXT *cx; | |
2321 | OP *retop; | |
760ac839 | 2322 | U8 save_flags = op -> op_flags; |
a0d0e21e LW |
2323 | I32 optype; |
2324 | ||
2325 | POPBLOCK(cx,newpm); | |
2326 | POPEVAL(cx); | |
2327 | retop = pop_return(); | |
2328 | ||
54310121 | 2329 | if (gimme == G_VOID) |
2330 | MARK = newsp; | |
2331 | else if (gimme == G_SCALAR) { | |
2332 | MARK = newsp + 1; | |
2333 | if (MARK <= SP) { | |
2334 | if (SvFLAGS(TOPs) & SVs_TEMP) | |
2335 | *MARK = TOPs; | |
2336 | else | |
2337 | *MARK = sv_mortalcopy(TOPs); | |
2338 | } | |
a0d0e21e | 2339 | else { |
54310121 | 2340 | MEXTEND(mark,0); |
2341 | *MARK = &sv_undef; | |
a0d0e21e | 2342 | } |
a0d0e21e LW |
2343 | } |
2344 | else { | |
2345 | for (mark = newsp + 1; mark <= SP; mark++) | |
760ac839 | 2346 | if (!(SvFLAGS(*mark) & SVs_TEMP)) |
a0d0e21e LW |
2347 | *mark = sv_mortalcopy(*mark); |
2348 | /* in case LEAVE wipes old return values */ | |
2349 | } | |
2350 | curpm = newpm; /* Don't pop $1 et al till now */ | |
2351 | ||
4fdae800 | 2352 | #ifdef DEBUGGING |
2353 | assert(CvDEPTH(compcv) == 1); | |
2354 | #endif | |
2355 | CvDEPTH(compcv) = 0; | |
2356 | ||
1ce6579f | 2357 | if (optype == OP_REQUIRE && |
54310121 | 2358 | !(gimme == G_SCALAR ? SvTRUE(*sp) : sp > newsp)) |
2359 | { | |
1ce6579f | 2360 | /* Unassume the success we assumed earlier. */ |
54310121 | 2361 | char *name = cx->blk_eval.old_name; |
1ce6579f | 2362 | (void)hv_delete(GvHVn(incgv), name, strlen(name), G_DISCARD); |
2363 | retop = die("%s did not return a true value", name); | |
a0d0e21e LW |
2364 | } |
2365 | ||
2366 | lex_end(); | |
2367 | LEAVE; | |
4fdae800 | 2368 | |
760ac839 | 2369 | if (!(save_flags & OPf_SPECIAL)) |
1ce6579f | 2370 | sv_setpv(GvSV(errgv),""); |
a0d0e21e LW |
2371 | |
2372 | RETURNOP(retop); | |
2373 | } | |
2374 | ||
a0d0e21e LW |
2375 | PP(pp_entertry) |
2376 | { | |
2377 | dSP; | |
2378 | register CONTEXT *cx; | |
54310121 | 2379 | I32 gimme = GIMME_V; |
a0d0e21e LW |
2380 | |
2381 | ENTER; | |
2382 | SAVETMPS; | |
2383 | ||
2384 | push_return(cLOGOP->op_other->op_next); | |
2385 | PUSHBLOCK(cx, CXt_EVAL, SP); | |
2386 | PUSHEVAL(cx, 0, 0); | |
2387 | eval_root = op; /* Only needed so that goto works right. */ | |
2388 | ||
2389 | in_eval = 1; | |
4633a7c4 | 2390 | sv_setpv(GvSV(errgv),""); |
1e422769 | 2391 | PUTBACK; |
2392 | return DOCATCH(op->op_next); | |
a0d0e21e LW |
2393 | } |
2394 | ||
2395 | PP(pp_leavetry) | |
2396 | { | |
2397 | dSP; | |
2398 | register SV **mark; | |
2399 | SV **newsp; | |
2400 | PMOP *newpm; | |
2401 | I32 gimme; | |
2402 | register CONTEXT *cx; | |
2403 | I32 optype; | |
2404 | ||
2405 | POPBLOCK(cx,newpm); | |
2406 | POPEVAL(cx); | |
2407 | pop_return(); | |
2408 | ||
54310121 | 2409 | if (gimme == G_VOID) |
2410 | SP = newsp; | |
2411 | else if (gimme == G_SCALAR) { | |
2412 | MARK = newsp + 1; | |
2413 | if (MARK <= SP) { | |
2414 | if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP)) | |
2415 | *MARK = TOPs; | |
2416 | else | |
2417 | *MARK = sv_mortalcopy(TOPs); | |
2418 | } | |
a0d0e21e | 2419 | else { |
54310121 | 2420 | MEXTEND(mark,0); |
2421 | *MARK = &sv_undef; | |
a0d0e21e LW |
2422 | } |
2423 | SP = MARK; | |
2424 | } | |
2425 | else { | |
2426 | for (mark = newsp + 1; mark <= SP; mark++) | |
760ac839 | 2427 | if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) |
a0d0e21e LW |
2428 | *mark = sv_mortalcopy(*mark); |
2429 | /* in case LEAVE wipes old return values */ | |
2430 | } | |
2431 | curpm = newpm; /* Don't pop $1 et al till now */ | |
2432 | ||
2433 | LEAVE; | |
4633a7c4 | 2434 | sv_setpv(GvSV(errgv),""); |
a0d0e21e LW |
2435 | RETURN; |
2436 | } | |
2437 | ||
2438 | static void | |
2439 | doparseform(sv) | |
2440 | SV *sv; | |
2441 | { | |
2442 | STRLEN len; | |
2443 | register char *s = SvPV_force(sv, len); | |
2444 | register char *send = s + len; | |
2445 | register char *base; | |
2446 | register I32 skipspaces = 0; | |
2447 | bool noblank; | |
2448 | bool repeat; | |
2449 | bool postspace = FALSE; | |
2450 | U16 *fops; | |
2451 | register U16 *fpc; | |
2452 | U16 *linepc; | |
2453 | register I32 arg; | |
2454 | bool ischop; | |
2455 | ||
55497cff | 2456 | if (len == 0) |
bbce6d69 | 2457 | croak("Null picture in formline"); |
55497cff | 2458 | |
2459 | New(804, fops, (send - s)*3+10, U16); /* Almost certainly too long... */ | |
a0d0e21e LW |
2460 | fpc = fops; |
2461 | ||
2462 | if (s < send) { | |
2463 | linepc = fpc; | |
2464 | *fpc++ = FF_LINEMARK; | |
2465 | noblank = repeat = FALSE; | |
2466 | base = s; | |
2467 | } | |
2468 | ||
2469 | while (s <= send) { | |
2470 | switch (*s++) { | |
2471 | default: | |
2472 | skipspaces = 0; | |
2473 | continue; | |
2474 | ||
2475 | case '~': | |
2476 | if (*s == '~') { | |
2477 | repeat = TRUE; | |
2478 | *s = ' '; | |
2479 | } | |
2480 | noblank = TRUE; | |
2481 | s[-1] = ' '; | |
2482 | /* FALL THROUGH */ | |
2483 | case ' ': case '\t': | |
2484 | skipspaces++; | |
2485 | continue; | |
2486 | ||
2487 | case '\n': case 0: | |
2488 | arg = s - base; | |
2489 | skipspaces++; | |
2490 | arg -= skipspaces; | |
2491 | if (arg) { | |
5f05dabc | 2492 | if (postspace) |
a0d0e21e | 2493 | *fpc++ = FF_SPACE; |
a0d0e21e LW |
2494 | *fpc++ = FF_LITERAL; |
2495 | *fpc++ = arg; | |
2496 | } | |
5f05dabc | 2497 | postspace = FALSE; |
a0d0e21e LW |
2498 | if (s <= send) |
2499 | skipspaces--; | |
2500 | if (skipspaces) { | |
2501 | *fpc++ = FF_SKIP; | |
2502 | *fpc++ = skipspaces; | |
2503 | } | |
2504 | skipspaces = 0; | |
2505 | if (s <= send) | |
2506 | *fpc++ = FF_NEWLINE; | |
2507 | if (noblank) { | |
2508 | *fpc++ = FF_BLANK; | |
2509 | if (repeat) | |
2510 | arg = fpc - linepc + 1; | |
2511 | else | |
2512 | arg = 0; | |
2513 | *fpc++ = arg; | |
2514 | } | |
2515 | if (s < send) { | |
2516 | linepc = fpc; | |
2517 | *fpc++ = FF_LINEMARK; | |
2518 | noblank = repeat = FALSE; | |
2519 | base = s; | |
2520 | } | |
2521 | else | |
2522 | s++; | |
2523 | continue; | |
2524 | ||
2525 | case '@': | |
2526 | case '^': | |
2527 | ischop = s[-1] == '^'; | |
2528 | ||
2529 | if (postspace) { | |
2530 | *fpc++ = FF_SPACE; | |
2531 | postspace = FALSE; | |
2532 | } | |
2533 | arg = (s - base) - 1; | |
2534 | if (arg) { | |
2535 | *fpc++ = FF_LITERAL; | |
2536 | *fpc++ = arg; | |
2537 | } | |
2538 | ||
2539 | base = s - 1; | |
2540 | *fpc++ = FF_FETCH; | |
2541 | if (*s == '*') { | |
2542 | s++; | |
2543 | *fpc++ = 0; | |
2544 | *fpc++ = FF_LINEGLOB; | |
2545 | } | |
2546 | else if (*s == '#' || (*s == '.' && s[1] == '#')) { | |
2547 | arg = ischop ? 512 : 0; | |
2548 | base = s - 1; | |
2549 | while (*s == '#') | |
2550 | s++; | |
2551 | if (*s == '.') { | |
2552 | char *f; | |
2553 | s++; | |
2554 | f = s; | |
2555 | while (*s == '#') | |
2556 | s++; | |
2557 | arg |= 256 + (s - f); | |
2558 | } | |
2559 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
2560 | *fpc++ = FF_DECIMAL; | |
2561 | *fpc++ = arg; | |
2562 | } | |
2563 | else { | |
2564 | I32 prespace = 0; | |
2565 | bool ismore = FALSE; | |
2566 | ||
2567 | if (*s == '>') { | |
2568 | while (*++s == '>') ; | |
2569 | prespace = FF_SPACE; | |
2570 | } | |
2571 | else if (*s == '|') { | |
2572 | while (*++s == '|') ; | |
2573 | prespace = FF_HALFSPACE; | |
2574 | postspace = TRUE; | |
2575 | } | |
2576 | else { | |
2577 | if (*s == '<') | |
2578 | while (*++s == '<') ; | |
2579 | postspace = TRUE; | |
2580 | } | |
2581 | if (*s == '.' && s[1] == '.' && s[2] == '.') { | |
2582 | s += 3; | |
2583 | ismore = TRUE; | |
2584 | } | |
2585 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
2586 | ||
2587 | *fpc++ = ischop ? FF_CHECKCHOP : FF_CHECKNL; | |
2588 | ||
2589 | if (prespace) | |
2590 | *fpc++ = prespace; | |
2591 | *fpc++ = FF_ITEM; | |
2592 | if (ismore) | |
2593 | *fpc++ = FF_MORE; | |
2594 | if (ischop) | |
2595 | *fpc++ = FF_CHOP; | |
2596 | } | |
2597 | base = s; | |
2598 | skipspaces = 0; | |
2599 | continue; | |
2600 | } | |
2601 | } | |
2602 | *fpc++ = FF_END; | |
2603 | ||
2604 | arg = fpc - fops; | |
2605 | { /* need to jump to the next word */ | |
2606 | int z; | |
2607 | z = WORD_ALIGN - SvCUR(sv) % WORD_ALIGN; | |
2608 | SvGROW(sv, SvCUR(sv) + z + arg * sizeof(U16) + 4); | |
2609 | s = SvPVX(sv) + SvCUR(sv) + z; | |
2610 | } | |
2611 | Copy(fops, s, arg, U16); | |
2612 | Safefree(fops); | |
55497cff | 2613 | sv_magic(sv, Nullsv, 'f', Nullch, 0); |
a0d0e21e LW |
2614 | SvCOMPILED_on(sv); |
2615 | } |