Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* pp_hot.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 | * Then he heard Merry change the note, and up went the Horn-cry of Buckland, | |
12 | * shaking the air. | |
13 | * | |
14 | * Awake! Awake! Fear, Fire, Foes! Awake! | |
15 | * Fire, Foes! Awake! | |
16 | */ | |
17 | ||
18 | #include "EXTERN.h" | |
19 | #include "perl.h" | |
20 | ||
21 | /* Hot code. */ | |
22 | ||
23 | PP(pp_const) | |
24 | { | |
25 | dSP; | |
26 | XPUSHs(cSVOP->op_sv); | |
27 | RETURN; | |
28 | } | |
29 | ||
30 | PP(pp_nextstate) | |
31 | { | |
32 | curcop = (COP*)op; | |
33 | TAINT_NOT; /* Each statement is presumed innocent */ | |
34 | stack_sp = stack_base + cxstack[cxstack_ix].blk_oldsp; | |
35 | FREETMPS; | |
36 | return NORMAL; | |
37 | } | |
38 | ||
39 | PP(pp_gvsv) | |
40 | { | |
41 | dSP; | |
42 | EXTEND(sp,1); | |
43 | if (op->op_private & OPpLVAL_INTRO) | |
44 | PUSHs(save_scalar(cGVOP->op_gv)); | |
45 | else | |
46 | PUSHs(GvSV(cGVOP->op_gv)); | |
47 | RETURN; | |
48 | } | |
49 | ||
50 | PP(pp_null) | |
51 | { | |
52 | return NORMAL; | |
53 | } | |
54 | ||
55 | PP(pp_pushmark) | |
56 | { | |
57 | PUSHMARK(stack_sp); | |
58 | return NORMAL; | |
59 | } | |
60 | ||
61 | PP(pp_stringify) | |
62 | { | |
63 | dSP; dTARGET; | |
64 | STRLEN len; | |
65 | char *s; | |
66 | s = SvPV(TOPs,len); | |
67 | sv_setpvn(TARG,s,len); | |
68 | SETTARG; | |
69 | RETURN; | |
70 | } | |
71 | ||
72 | PP(pp_gv) | |
73 | { | |
74 | dSP; | |
75 | XPUSHs((SV*)cGVOP->op_gv); | |
76 | RETURN; | |
77 | } | |
78 | ||
c07a80fd | 79 | PP(pp_gelem) |
80 | { | |
81 | GV *gv; | |
82 | SV *sv; | |
83 | SV *ref; | |
84 | char *elem; | |
85 | dSP; | |
86 | ||
87 | sv = POPs; | |
88 | elem = SvPV(sv, na); | |
89 | gv = (GV*)POPs; | |
90 | ref = Nullsv; | |
91 | sv = Nullsv; | |
92 | switch (elem ? *elem : '\0') | |
93 | { | |
94 | case 'A': | |
95 | if (strEQ(elem, "ARRAY")) | |
96 | ref = (SV*)GvAV(gv); | |
97 | break; | |
98 | case 'C': | |
99 | if (strEQ(elem, "CODE")) | |
8ebc5c01 | 100 | ref = (SV*)GvCVu(gv); |
c07a80fd | 101 | break; |
102 | case 'F': | |
36477c24 | 103 | if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */ |
c07a80fd | 104 | ref = (SV*)GvIOp(gv); |
105 | break; | |
106 | case 'G': | |
107 | if (strEQ(elem, "GLOB")) | |
108 | ref = (SV*)gv; | |
109 | break; | |
110 | case 'H': | |
111 | if (strEQ(elem, "HASH")) | |
112 | ref = (SV*)GvHV(gv); | |
113 | break; | |
36477c24 | 114 | case 'I': |
115 | if (strEQ(elem, "IO")) | |
116 | ref = (SV*)GvIOp(gv); | |
117 | break; | |
c07a80fd | 118 | case 'N': |
119 | if (strEQ(elem, "NAME")) | |
120 | sv = newSVpv(GvNAME(gv), GvNAMELEN(gv)); | |
121 | break; | |
122 | case 'P': | |
123 | if (strEQ(elem, "PACKAGE")) | |
124 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
125 | break; | |
126 | case 'S': | |
127 | if (strEQ(elem, "SCALAR")) | |
128 | ref = GvSV(gv); | |
129 | break; | |
130 | } | |
131 | if (ref) | |
132 | sv = newRV(ref); | |
133 | if (sv) | |
134 | sv_2mortal(sv); | |
135 | else | |
136 | sv = &sv_undef; | |
137 | XPUSHs(sv); | |
138 | RETURN; | |
139 | } | |
140 | ||
a0d0e21e LW |
141 | PP(pp_and) |
142 | { | |
143 | dSP; | |
144 | if (!SvTRUE(TOPs)) | |
145 | RETURN; | |
146 | else { | |
147 | --SP; | |
148 | RETURNOP(cLOGOP->op_other); | |
149 | } | |
150 | } | |
151 | ||
152 | PP(pp_sassign) | |
153 | { | |
154 | dSP; dPOPTOPssrl; | |
748a9306 LW |
155 | MAGIC *mg; |
156 | ||
a0d0e21e LW |
157 | if (op->op_private & OPpASSIGN_BACKWARDS) { |
158 | SV *temp; | |
159 | temp = left; left = right; right = temp; | |
160 | } | |
bbce6d69 | 161 | if (tainting && tainted && !SvTAINTED(left)) |
a0d0e21e | 162 | TAINT_NOT; |
54310121 | 163 | SvSetMagicSV(right, left); |
a0d0e21e LW |
164 | SETs(right); |
165 | RETURN; | |
166 | } | |
167 | ||
168 | PP(pp_cond_expr) | |
169 | { | |
170 | dSP; | |
171 | if (SvTRUEx(POPs)) | |
172 | RETURNOP(cCONDOP->op_true); | |
173 | else | |
174 | RETURNOP(cCONDOP->op_false); | |
175 | } | |
176 | ||
177 | PP(pp_unstack) | |
178 | { | |
179 | I32 oldsave; | |
180 | TAINT_NOT; /* Each statement is presumed innocent */ | |
181 | stack_sp = stack_base + cxstack[cxstack_ix].blk_oldsp; | |
182 | FREETMPS; | |
183 | oldsave = scopestack[scopestack_ix - 1]; | |
184 | LEAVE_SCOPE(oldsave); | |
185 | return NORMAL; | |
186 | } | |
187 | ||
a0d0e21e LW |
188 | PP(pp_concat) |
189 | { | |
748a9306 LW |
190 | dSP; dATARGET; tryAMAGICbin(concat,opASSIGN); |
191 | { | |
192 | dPOPTOPssrl; | |
a0d0e21e LW |
193 | STRLEN len; |
194 | char *s; | |
195 | if (TARG != left) { | |
196 | s = SvPV(left,len); | |
197 | sv_setpvn(TARG,s,len); | |
198 | } | |
c07a80fd | 199 | else if (SvGMAGICAL(TARG)) |
200 | mg_get(TARG); | |
7a4c00b4 | 201 | else if (!SvOK(TARG) && SvTYPE(TARG) <= SVt_PVMG) { |
748a9306 | 202 | sv_setpv(TARG, ""); /* Suppress warning. */ |
7a4c00b4 | 203 | s = SvPV_force(TARG, len); |
4633a7c4 | 204 | } |
a0d0e21e | 205 | s = SvPV(right,len); |
68dc0745 | 206 | if (SvOK(TARG)) |
207 | sv_catpvn(TARG,s,len); | |
208 | else | |
209 | sv_setpvn(TARG,s,len); /* suppress warning */ | |
a0d0e21e LW |
210 | SETTARG; |
211 | RETURN; | |
748a9306 | 212 | } |
a0d0e21e LW |
213 | } |
214 | ||
215 | PP(pp_padsv) | |
216 | { | |
217 | dSP; dTARGET; | |
218 | XPUSHs(TARG); | |
4633a7c4 LW |
219 | if (op->op_flags & OPf_MOD) { |
220 | if (op->op_private & OPpLVAL_INTRO) | |
221 | SAVECLEARSV(curpad[op->op_targ]); | |
5f05dabc | 222 | else if (op->op_private & OPpDEREF) |
54310121 | 223 | vivify_ref(curpad[op->op_targ], op->op_private & OPpDEREF); |
4633a7c4 | 224 | } |
a0d0e21e LW |
225 | RETURN; |
226 | } | |
227 | ||
228 | PP(pp_readline) | |
229 | { | |
230 | last_in_gv = (GV*)(*stack_sp--); | |
231 | return do_readline(); | |
232 | } | |
233 | ||
234 | PP(pp_eq) | |
235 | { | |
236 | dSP; tryAMAGICbinSET(eq,0); | |
237 | { | |
238 | dPOPnv; | |
54310121 | 239 | SETs(boolSV(TOPn == value)); |
a0d0e21e LW |
240 | RETURN; |
241 | } | |
242 | } | |
243 | ||
244 | PP(pp_preinc) | |
245 | { | |
246 | dSP; | |
68dc0745 | 247 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
44a8e56a | 248 | croak(no_modify); |
55497cff | 249 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
250 | SvIVX(TOPs) != IV_MAX) | |
251 | { | |
252 | ++SvIVX(TOPs); | |
253 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); | |
748a9306 LW |
254 | } |
255 | else | |
256 | sv_inc(TOPs); | |
a0d0e21e LW |
257 | SvSETMAGIC(TOPs); |
258 | return NORMAL; | |
259 | } | |
260 | ||
261 | PP(pp_or) | |
262 | { | |
263 | dSP; | |
264 | if (SvTRUE(TOPs)) | |
265 | RETURN; | |
266 | else { | |
267 | --SP; | |
268 | RETURNOP(cLOGOP->op_other); | |
269 | } | |
270 | } | |
271 | ||
272 | PP(pp_add) | |
273 | { | |
274 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); | |
275 | { | |
7a4c00b4 | 276 | dPOPTOPnnrl_ul; |
a0d0e21e LW |
277 | SETn( left + right ); |
278 | RETURN; | |
279 | } | |
280 | } | |
281 | ||
282 | PP(pp_aelemfast) | |
283 | { | |
284 | dSP; | |
285 | AV *av = GvAV((GV*)cSVOP->op_sv); | |
286 | SV** svp = av_fetch(av, op->op_private, op->op_flags & OPf_MOD); | |
287 | PUSHs(svp ? *svp : &sv_undef); | |
288 | RETURN; | |
289 | } | |
290 | ||
291 | PP(pp_join) | |
292 | { | |
293 | dSP; dMARK; dTARGET; | |
294 | MARK++; | |
295 | do_join(TARG, *MARK, MARK, SP); | |
296 | SP = MARK; | |
297 | SETs(TARG); | |
298 | RETURN; | |
299 | } | |
300 | ||
301 | PP(pp_pushre) | |
302 | { | |
303 | dSP; | |
44a8e56a | 304 | #ifdef DEBUGGING |
305 | /* | |
306 | * We ass_u_me that LvTARGOFF() comes first, and that two STRLENs | |
307 | * will be enough to hold an OP*. | |
308 | */ | |
309 | SV* sv = sv_newmortal(); | |
310 | sv_upgrade(sv, SVt_PVLV); | |
311 | LvTYPE(sv) = '/'; | |
312 | Copy(&op, &LvTARGOFF(sv), 1, OP*); | |
313 | XPUSHs(sv); | |
314 | #else | |
a0d0e21e | 315 | XPUSHs((SV*)op); |
44a8e56a | 316 | #endif |
a0d0e21e LW |
317 | RETURN; |
318 | } | |
319 | ||
320 | /* Oversized hot code. */ | |
321 | ||
322 | PP(pp_print) | |
323 | { | |
324 | dSP; dMARK; dORIGMARK; | |
325 | GV *gv; | |
326 | IO *io; | |
760ac839 | 327 | register PerlIO *fp; |
236988e4 | 328 | MAGIC *mg; |
a0d0e21e LW |
329 | |
330 | if (op->op_flags & OPf_STACKED) | |
331 | gv = (GV*)*++MARK; | |
332 | else | |
333 | gv = defoutgv; | |
236988e4 | 334 | if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) { |
68dc0745 | 335 | if (MARK == ORIGMARK) { |
336 | EXTEND(SP, 1); | |
337 | ++MARK; | |
338 | Move(MARK, MARK + 1, (SP - MARK) + 1, SV*); | |
339 | ++SP; | |
340 | } | |
341 | PUSHMARK(MARK - 1); | |
236988e4 | 342 | *MARK = mg->mg_obj; |
68dc0745 | 343 | PUTBACK; |
236988e4 | 344 | ENTER; |
345 | perl_call_method("PRINT", G_SCALAR); | |
346 | LEAVE; | |
347 | SPAGAIN; | |
68dc0745 | 348 | MARK = ORIGMARK + 1; |
349 | *MARK = *SP; | |
350 | SP = MARK; | |
236988e4 | 351 | RETURN; |
352 | } | |
a0d0e21e | 353 | if (!(io = GvIO(gv))) { |
748a9306 LW |
354 | if (dowarn) { |
355 | SV* sv = sv_newmortal(); | |
4f732624 | 356 | gv_fullname3(sv, gv, Nullch); |
748a9306 LW |
357 | warn("Filehandle %s never opened", SvPV(sv,na)); |
358 | } | |
359 | ||
360 | SETERRNO(EBADF,RMS$_IFI); | |
a0d0e21e LW |
361 | goto just_say_no; |
362 | } | |
363 | else if (!(fp = IoOFP(io))) { | |
364 | if (dowarn) { | |
748a9306 | 365 | SV* sv = sv_newmortal(); |
4f732624 | 366 | gv_fullname3(sv, gv, Nullch); |
a0d0e21e | 367 | if (IoIFP(io)) |
748a9306 | 368 | warn("Filehandle %s opened only for input", SvPV(sv,na)); |
a0d0e21e | 369 | else |
748a9306 | 370 | warn("print on closed filehandle %s", SvPV(sv,na)); |
a0d0e21e | 371 | } |
748a9306 | 372 | SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI); |
a0d0e21e LW |
373 | goto just_say_no; |
374 | } | |
375 | else { | |
376 | MARK++; | |
377 | if (ofslen) { | |
378 | while (MARK <= SP) { | |
379 | if (!do_print(*MARK, fp)) | |
380 | break; | |
381 | MARK++; | |
382 | if (MARK <= SP) { | |
760ac839 | 383 | if (PerlIO_write(fp, ofs, ofslen) == 0 || PerlIO_error(fp)) { |
a0d0e21e LW |
384 | MARK--; |
385 | break; | |
386 | } | |
387 | } | |
388 | } | |
389 | } | |
390 | else { | |
391 | while (MARK <= SP) { | |
392 | if (!do_print(*MARK, fp)) | |
393 | break; | |
394 | MARK++; | |
395 | } | |
396 | } | |
397 | if (MARK <= SP) | |
398 | goto just_say_no; | |
399 | else { | |
400 | if (orslen) | |
760ac839 | 401 | if (PerlIO_write(fp, ors, orslen) == 0 || PerlIO_error(fp)) |
a0d0e21e LW |
402 | goto just_say_no; |
403 | ||
404 | if (IoFLAGS(io) & IOf_FLUSH) | |
760ac839 | 405 | if (PerlIO_flush(fp) == EOF) |
a0d0e21e LW |
406 | goto just_say_no; |
407 | } | |
408 | } | |
409 | SP = ORIGMARK; | |
410 | PUSHs(&sv_yes); | |
411 | RETURN; | |
412 | ||
413 | just_say_no: | |
414 | SP = ORIGMARK; | |
415 | PUSHs(&sv_undef); | |
416 | RETURN; | |
417 | } | |
418 | ||
419 | PP(pp_rv2av) | |
420 | { | |
421 | dSP; dPOPss; | |
a0d0e21e LW |
422 | AV *av; |
423 | ||
424 | if (SvROK(sv)) { | |
425 | wasref: | |
426 | av = (AV*)SvRV(sv); | |
427 | if (SvTYPE(av) != SVt_PVAV) | |
428 | DIE("Not an ARRAY reference"); | |
429 | if (op->op_private & OPpLVAL_INTRO) | |
430 | av = (AV*)save_svref((SV**)sv); | |
431 | if (op->op_flags & OPf_REF) { | |
432 | PUSHs((SV*)av); | |
433 | RETURN; | |
434 | } | |
435 | } | |
436 | else { | |
437 | if (SvTYPE(sv) == SVt_PVAV) { | |
438 | av = (AV*)sv; | |
439 | if (op->op_flags & OPf_REF) { | |
440 | PUSHs((SV*)av); | |
441 | RETURN; | |
442 | } | |
443 | } | |
444 | else { | |
67955e0c | 445 | GV *gv; |
446 | ||
a0d0e21e | 447 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 LW |
448 | char *sym; |
449 | ||
a0d0e21e LW |
450 | if (SvGMAGICAL(sv)) { |
451 | mg_get(sv); | |
452 | if (SvROK(sv)) | |
453 | goto wasref; | |
454 | } | |
455 | if (!SvOK(sv)) { | |
456 | if (op->op_flags & OPf_REF || | |
457 | op->op_private & HINT_STRICT_REFS) | |
458 | DIE(no_usym, "an ARRAY"); | |
d83e6520 CS |
459 | if (dowarn) |
460 | warn(warn_uninit); | |
4633a7c4 LW |
461 | if (GIMME == G_ARRAY) |
462 | RETURN; | |
a0d0e21e LW |
463 | RETPUSHUNDEF; |
464 | } | |
748a9306 | 465 | sym = SvPV(sv,na); |
a0d0e21e | 466 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 | 467 | DIE(no_symref, sym, "an ARRAY"); |
67955e0c | 468 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PVAV); |
469 | } else { | |
470 | gv = (GV*)sv; | |
a0d0e21e | 471 | } |
67955e0c | 472 | av = GvAVn(gv); |
a0d0e21e | 473 | if (op->op_private & OPpLVAL_INTRO) |
67955e0c | 474 | av = save_ary(gv); |
a0d0e21e LW |
475 | if (op->op_flags & OPf_REF) { |
476 | PUSHs((SV*)av); | |
477 | RETURN; | |
478 | } | |
479 | } | |
480 | } | |
481 | ||
482 | if (GIMME == G_ARRAY) { | |
483 | I32 maxarg = AvFILL(av) + 1; | |
484 | EXTEND(SP, maxarg); | |
485 | Copy(AvARRAY(av), SP+1, maxarg, SV*); | |
486 | SP += maxarg; | |
487 | } | |
488 | else { | |
489 | dTARGET; | |
490 | I32 maxarg = AvFILL(av) + 1; | |
491 | PUSHi(maxarg); | |
492 | } | |
493 | RETURN; | |
494 | } | |
495 | ||
496 | PP(pp_rv2hv) | |
497 | { | |
a0d0e21e | 498 | dSP; dTOPss; |
a0d0e21e LW |
499 | HV *hv; |
500 | ||
501 | if (SvROK(sv)) { | |
502 | wasref: | |
503 | hv = (HV*)SvRV(sv); | |
504 | if (SvTYPE(hv) != SVt_PVHV) | |
505 | DIE("Not a HASH reference"); | |
506 | if (op->op_private & OPpLVAL_INTRO) | |
507 | hv = (HV*)save_svref((SV**)sv); | |
508 | if (op->op_flags & OPf_REF) { | |
509 | SETs((SV*)hv); | |
510 | RETURN; | |
511 | } | |
512 | } | |
513 | else { | |
514 | if (SvTYPE(sv) == SVt_PVHV) { | |
515 | hv = (HV*)sv; | |
516 | if (op->op_flags & OPf_REF) { | |
517 | SETs((SV*)hv); | |
518 | RETURN; | |
519 | } | |
520 | } | |
521 | else { | |
67955e0c | 522 | GV *gv; |
523 | ||
a0d0e21e | 524 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 LW |
525 | char *sym; |
526 | ||
a0d0e21e LW |
527 | if (SvGMAGICAL(sv)) { |
528 | mg_get(sv); | |
529 | if (SvROK(sv)) | |
530 | goto wasref; | |
531 | } | |
532 | if (!SvOK(sv)) { | |
533 | if (op->op_flags & OPf_REF || | |
534 | op->op_private & HINT_STRICT_REFS) | |
535 | DIE(no_usym, "a HASH"); | |
d83e6520 CS |
536 | if (dowarn) |
537 | warn(warn_uninit); | |
4633a7c4 LW |
538 | if (GIMME == G_ARRAY) { |
539 | SP--; | |
540 | RETURN; | |
541 | } | |
a0d0e21e LW |
542 | RETSETUNDEF; |
543 | } | |
748a9306 | 544 | sym = SvPV(sv,na); |
a0d0e21e | 545 | if (op->op_private & HINT_STRICT_REFS) |
748a9306 | 546 | DIE(no_symref, sym, "a HASH"); |
67955e0c | 547 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PVHV); |
548 | } else { | |
549 | gv = (GV*)sv; | |
a0d0e21e | 550 | } |
67955e0c | 551 | hv = GvHVn(gv); |
a0d0e21e | 552 | if (op->op_private & OPpLVAL_INTRO) |
67955e0c | 553 | hv = save_hash(gv); |
a0d0e21e LW |
554 | if (op->op_flags & OPf_REF) { |
555 | SETs((SV*)hv); | |
556 | RETURN; | |
557 | } | |
558 | } | |
559 | } | |
560 | ||
561 | if (GIMME == G_ARRAY) { /* array wanted */ | |
562 | *stack_sp = (SV*)hv; | |
563 | return do_kv(ARGS); | |
564 | } | |
565 | else { | |
566 | dTARGET; | |
46fc3d4c | 567 | if (HvFILL(hv)) |
568 | sv_setpvf(TARG, "%ld/%ld", | |
569 | (long)HvFILL(hv), (long)HvMAX(hv) + 1); | |
a0d0e21e LW |
570 | else |
571 | sv_setiv(TARG, 0); | |
572 | SETTARG; | |
573 | RETURN; | |
574 | } | |
575 | } | |
576 | ||
577 | PP(pp_aassign) | |
578 | { | |
579 | dSP; | |
580 | SV **lastlelem = stack_sp; | |
581 | SV **lastrelem = stack_base + POPMARK; | |
582 | SV **firstrelem = stack_base + POPMARK + 1; | |
583 | SV **firstlelem = lastrelem + 1; | |
584 | ||
585 | register SV **relem; | |
586 | register SV **lelem; | |
587 | ||
588 | register SV *sv; | |
589 | register AV *ary; | |
590 | ||
54310121 | 591 | I32 gimme; |
a0d0e21e LW |
592 | HV *hash; |
593 | I32 i; | |
594 | int magic; | |
595 | ||
596 | delaymagic = DM_DELAY; /* catch simultaneous items */ | |
597 | ||
598 | /* If there's a common identifier on both sides we have to take | |
599 | * special care that assigning the identifier on the left doesn't | |
600 | * clobber a value on the right that's used later in the list. | |
601 | */ | |
602 | if (op->op_private & OPpASSIGN_COMMON) { | |
603 | for (relem = firstrelem; relem <= lastrelem; relem++) { | |
604 | /*SUPPRESS 560*/ | |
a1f49e72 CS |
605 | if (sv = *relem) { |
606 | TAINT_NOT; /* Each item is independent */ | |
a0d0e21e | 607 | *relem = sv_mortalcopy(sv); |
a1f49e72 | 608 | } |
a0d0e21e LW |
609 | } |
610 | } | |
611 | ||
612 | relem = firstrelem; | |
613 | lelem = firstlelem; | |
614 | ary = Null(AV*); | |
615 | hash = Null(HV*); | |
616 | while (lelem <= lastlelem) { | |
bbce6d69 | 617 | TAINT_NOT; /* Each item stands on its own, taintwise. */ |
a0d0e21e LW |
618 | sv = *lelem++; |
619 | switch (SvTYPE(sv)) { | |
620 | case SVt_PVAV: | |
621 | ary = (AV*)sv; | |
748a9306 | 622 | magic = SvMAGICAL(ary) != 0; |
a0d0e21e LW |
623 | |
624 | av_clear(ary); | |
7e42bd57 | 625 | av_extend(ary, lastrelem - relem); |
a0d0e21e LW |
626 | i = 0; |
627 | while (relem <= lastrelem) { /* gobble up all the rest */ | |
628 | sv = NEWSV(28,0); | |
629 | assert(*relem); | |
630 | sv_setsv(sv,*relem); | |
631 | *(relem++) = sv; | |
632 | (void)av_store(ary,i++,sv); | |
633 | if (magic) | |
634 | mg_set(sv); | |
bbce6d69 | 635 | TAINT_NOT; |
a0d0e21e LW |
636 | } |
637 | break; | |
638 | case SVt_PVHV: { | |
a0d0e21e LW |
639 | SV *tmpstr; |
640 | ||
641 | hash = (HV*)sv; | |
748a9306 | 642 | magic = SvMAGICAL(hash) != 0; |
a0d0e21e LW |
643 | hv_clear(hash); |
644 | ||
645 | while (relem < lastrelem) { /* gobble up all the rest */ | |
646 | STRLEN len; | |
4633a7c4 | 647 | if (*relem) |
a0d0e21e | 648 | sv = *(relem++); |
4633a7c4 | 649 | else |
a0d0e21e | 650 | sv = &sv_no, relem++; |
a0d0e21e LW |
651 | tmpstr = NEWSV(29,0); |
652 | if (*relem) | |
653 | sv_setsv(tmpstr,*relem); /* value */ | |
654 | *(relem++) = tmpstr; | |
760ac839 | 655 | (void)hv_store_ent(hash,sv,tmpstr,0); |
a0d0e21e LW |
656 | if (magic) |
657 | mg_set(tmpstr); | |
bbce6d69 | 658 | TAINT_NOT; |
8e07c86e | 659 | } |
760ac839 LW |
660 | if (relem == lastrelem) |
661 | warn("Odd number of elements in hash list"); | |
a0d0e21e LW |
662 | } |
663 | break; | |
664 | default: | |
665 | if (SvTHINKFIRST(sv)) { | |
666 | if (SvREADONLY(sv) && curcop != &compiling) { | |
667 | if (sv != &sv_undef && sv != &sv_yes && sv != &sv_no) | |
668 | DIE(no_modify); | |
669 | if (relem <= lastrelem) | |
670 | relem++; | |
671 | break; | |
672 | } | |
673 | if (SvROK(sv)) | |
674 | sv_unref(sv); | |
675 | } | |
676 | if (relem <= lastrelem) { | |
677 | sv_setsv(sv, *relem); | |
678 | *(relem++) = sv; | |
679 | } | |
680 | else | |
681 | sv_setsv(sv, &sv_undef); | |
682 | SvSETMAGIC(sv); | |
683 | break; | |
684 | } | |
685 | } | |
686 | if (delaymagic & ~DM_DELAY) { | |
687 | if (delaymagic & DM_UID) { | |
688 | #ifdef HAS_SETRESUID | |
689 | (void)setresuid(uid,euid,(Uid_t)-1); | |
56febc5e AD |
690 | #else |
691 | # ifdef HAS_SETREUID | |
a0d0e21e | 692 | (void)setreuid(uid,euid); |
56febc5e AD |
693 | # else |
694 | # ifdef HAS_SETRUID | |
a0d0e21e LW |
695 | if ((delaymagic & DM_UID) == DM_RUID) { |
696 | (void)setruid(uid); | |
748a9306 | 697 | delaymagic &= ~DM_RUID; |
a0d0e21e | 698 | } |
56febc5e AD |
699 | # endif /* HAS_SETRUID */ |
700 | # ifdef HAS_SETEUID | |
a0d0e21e LW |
701 | if ((delaymagic & DM_UID) == DM_EUID) { |
702 | (void)seteuid(uid); | |
748a9306 | 703 | delaymagic &= ~DM_EUID; |
a0d0e21e | 704 | } |
56febc5e | 705 | # endif /* HAS_SETEUID */ |
a0d0e21e LW |
706 | if (delaymagic & DM_UID) { |
707 | if (uid != euid) | |
708 | DIE("No setreuid available"); | |
709 | (void)setuid(uid); | |
710 | } | |
56febc5e AD |
711 | # endif /* HAS_SETREUID */ |
712 | #endif /* HAS_SETRESUID */ | |
a0d0e21e LW |
713 | uid = (int)getuid(); |
714 | euid = (int)geteuid(); | |
715 | } | |
716 | if (delaymagic & DM_GID) { | |
717 | #ifdef HAS_SETRESGID | |
718 | (void)setresgid(gid,egid,(Gid_t)-1); | |
56febc5e AD |
719 | #else |
720 | # ifdef HAS_SETREGID | |
a0d0e21e | 721 | (void)setregid(gid,egid); |
56febc5e AD |
722 | # else |
723 | # ifdef HAS_SETRGID | |
a0d0e21e LW |
724 | if ((delaymagic & DM_GID) == DM_RGID) { |
725 | (void)setrgid(gid); | |
748a9306 | 726 | delaymagic &= ~DM_RGID; |
a0d0e21e | 727 | } |
56febc5e AD |
728 | # endif /* HAS_SETRGID */ |
729 | # ifdef HAS_SETEGID | |
a0d0e21e LW |
730 | if ((delaymagic & DM_GID) == DM_EGID) { |
731 | (void)setegid(gid); | |
748a9306 | 732 | delaymagic &= ~DM_EGID; |
a0d0e21e | 733 | } |
56febc5e | 734 | # endif /* HAS_SETEGID */ |
a0d0e21e LW |
735 | if (delaymagic & DM_GID) { |
736 | if (gid != egid) | |
737 | DIE("No setregid available"); | |
738 | (void)setgid(gid); | |
739 | } | |
56febc5e AD |
740 | # endif /* HAS_SETREGID */ |
741 | #endif /* HAS_SETRESGID */ | |
a0d0e21e LW |
742 | gid = (int)getgid(); |
743 | egid = (int)getegid(); | |
744 | } | |
4633a7c4 | 745 | tainting |= (uid && (euid != uid || egid != gid)); |
a0d0e21e LW |
746 | } |
747 | delaymagic = 0; | |
54310121 | 748 | |
749 | gimme = GIMME_V; | |
750 | if (gimme == G_VOID) | |
751 | SP = firstrelem - 1; | |
752 | else if (gimme == G_SCALAR) { | |
753 | dTARGET; | |
754 | SP = firstrelem; | |
755 | SETi(lastrelem - firstrelem + 1); | |
756 | } | |
757 | else { | |
a0d0e21e LW |
758 | if (ary || hash) |
759 | SP = lastrelem; | |
760 | else | |
761 | SP = firstrelem + (lastlelem - firstlelem); | |
0c8c7a05 | 762 | lelem = firstlelem + (relem - firstrelem); |
5f05dabc | 763 | while (relem <= SP) |
0c8c7a05 | 764 | *relem++ = (lelem <= lastlelem) ? *lelem++ : &sv_undef; |
a0d0e21e | 765 | } |
54310121 | 766 | RETURN; |
a0d0e21e LW |
767 | } |
768 | ||
769 | PP(pp_match) | |
770 | { | |
771 | dSP; dTARG; | |
772 | register PMOP *pm = cPMOP; | |
773 | register char *t; | |
774 | register char *s; | |
775 | char *strend; | |
776 | I32 global; | |
777 | I32 safebase; | |
778 | char *truebase; | |
779 | register REGEXP *rx = pm->op_pmregexp; | |
780 | I32 gimme = GIMME; | |
781 | STRLEN len; | |
748a9306 | 782 | I32 minmatch = 0; |
4633a7c4 | 783 | I32 oldsave = savestack_ix; |
f86702cc | 784 | I32 update_minmatch = 1; |
a0d0e21e LW |
785 | |
786 | if (op->op_flags & OPf_STACKED) | |
787 | TARG = POPs; | |
788 | else { | |
789 | TARG = GvSV(defgv); | |
790 | EXTEND(SP,1); | |
791 | } | |
792 | s = SvPV(TARG, len); | |
793 | strend = s + len; | |
794 | if (!s) | |
795 | DIE("panic: do_match"); | |
9212bbba | 796 | TAINT_NOT; |
a0d0e21e LW |
797 | |
798 | if (pm->op_pmflags & PMf_USED) { | |
799 | if (gimme == G_ARRAY) | |
800 | RETURN; | |
801 | RETPUSHNO; | |
802 | } | |
803 | ||
804 | if (!rx->prelen && curpm) { | |
805 | pm = curpm; | |
806 | rx = pm->op_pmregexp; | |
807 | } | |
808 | truebase = t = s; | |
809 | if (global = pm->op_pmflags & PMf_GLOBAL) { | |
810 | rx->startp[0] = 0; | |
811 | if (SvTYPE(TARG) >= SVt_PVMG && SvMAGIC(TARG)) { | |
812 | MAGIC* mg = mg_find(TARG, 'g'); | |
748a9306 | 813 | if (mg && mg->mg_len >= 0) { |
a0d0e21e | 814 | rx->endp[0] = rx->startp[0] = s + mg->mg_len; |
748a9306 | 815 | minmatch = (mg->mg_flags & MGf_MINMATCH); |
f86702cc | 816 | update_minmatch = 0; |
748a9306 | 817 | } |
a0d0e21e LW |
818 | } |
819 | } | |
748a9306 LW |
820 | if (!rx->nparens && !global) |
821 | gimme = G_SCALAR; /* accidental array context? */ | |
137443ea | 822 | safebase = (((gimme == G_ARRAY) || global || !rx->nparens) |
823 | && !sawampersand); | |
a0d0e21e LW |
824 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
825 | SAVEINT(multiline); | |
826 | multiline = pm->op_pmflags & PMf_MULTILINE; | |
827 | } | |
828 | ||
829 | play_it_again: | |
830 | if (global && rx->startp[0]) { | |
831 | t = s = rx->endp[0]; | |
51aa1f50 | 832 | if ((s + rx->minlen) > strend) |
a0d0e21e | 833 | goto nope; |
f86702cc | 834 | if (update_minmatch++) |
835 | minmatch = (s == rx->startp[0]); | |
a0d0e21e LW |
836 | } |
837 | if (pm->op_pmshort) { | |
838 | if (pm->op_pmflags & PMf_SCANFIRST) { | |
839 | if (SvSCREAM(TARG)) { | |
840 | if (screamfirst[BmRARE(pm->op_pmshort)] < 0) | |
841 | goto nope; | |
842 | else if (!(s = screaminstr(TARG, pm->op_pmshort))) | |
843 | goto nope; | |
844 | else if (pm->op_pmflags & PMf_ALL) | |
845 | goto yup; | |
846 | } | |
847 | else if (!(s = fbm_instr((unsigned char*)s, | |
848 | (unsigned char*)strend, pm->op_pmshort))) | |
849 | goto nope; | |
850 | else if (pm->op_pmflags & PMf_ALL) | |
851 | goto yup; | |
852 | if (s && rx->regback >= 0) { | |
853 | ++BmUSEFUL(pm->op_pmshort); | |
854 | s -= rx->regback; | |
855 | if (s < t) | |
856 | s = t; | |
857 | } | |
858 | else | |
859 | s = t; | |
860 | } | |
861 | else if (!multiline) { | |
bbce6d69 | 862 | if (*SvPVX(pm->op_pmshort) != *s |
863 | || (pm->op_pmslen > 1 | |
36477c24 | 864 | && memNE(SvPVX(pm->op_pmshort), s, pm->op_pmslen))) |
bbce6d69 | 865 | goto nope; |
a0d0e21e LW |
866 | } |
867 | if (!rx->naughty && --BmUSEFUL(pm->op_pmshort) < 0) { | |
868 | SvREFCNT_dec(pm->op_pmshort); | |
869 | pm->op_pmshort = Nullsv; /* opt is being useless */ | |
870 | } | |
871 | } | |
e50aee73 | 872 | if (pregexec(rx, s, strend, truebase, minmatch, |
bbce6d69 | 873 | SvSCREAM(TARG) ? TARG : Nullsv, safebase)) |
874 | { | |
a0d0e21e LW |
875 | curpm = pm; |
876 | if (pm->op_pmflags & PMf_ONCE) | |
877 | pm->op_pmflags |= PMf_USED; | |
878 | goto gotcha; | |
879 | } | |
880 | else | |
881 | goto ret_no; | |
882 | /*NOTREACHED*/ | |
883 | ||
884 | gotcha: | |
9212bbba | 885 | TAINT_IF(rx->exec_tainted); |
a0d0e21e LW |
886 | if (gimme == G_ARRAY) { |
887 | I32 iters, i, len; | |
888 | ||
889 | iters = rx->nparens; | |
890 | if (global && !iters) | |
891 | i = 1; | |
892 | else | |
893 | i = 0; | |
894 | EXTEND(SP, iters + i); | |
bbce6d69 | 895 | EXTEND_MORTAL(iters + i); |
a0d0e21e LW |
896 | for (i = !i; i <= iters; i++) { |
897 | PUSHs(sv_newmortal()); | |
898 | /*SUPPRESS 560*/ | |
899 | if ((s = rx->startp[i]) && rx->endp[i] ) { | |
900 | len = rx->endp[i] - s; | |
901 | sv_setpvn(*SP, s, len); | |
902 | } | |
903 | } | |
904 | if (global) { | |
905 | truebase = rx->subbeg; | |
5f05dabc | 906 | strend = rx->subend; |
a0d0e21e LW |
907 | if (rx->startp[0] && rx->startp[0] == rx->endp[0]) |
908 | ++rx->endp[0]; | |
909 | goto play_it_again; | |
910 | } | |
4633a7c4 | 911 | LEAVE_SCOPE(oldsave); |
a0d0e21e LW |
912 | RETURN; |
913 | } | |
914 | else { | |
915 | if (global) { | |
916 | MAGIC* mg = 0; | |
917 | if (SvTYPE(TARG) >= SVt_PVMG && SvMAGIC(TARG)) | |
918 | mg = mg_find(TARG, 'g'); | |
919 | if (!mg) { | |
920 | sv_magic(TARG, (SV*)0, 'g', Nullch, 0); | |
921 | mg = mg_find(TARG, 'g'); | |
922 | } | |
748a9306 | 923 | if (rx->startp[0]) { |
5f05dabc | 924 | mg->mg_len = rx->endp[0] - rx->subbeg; |
748a9306 LW |
925 | if (rx->startp[0] == rx->endp[0]) |
926 | mg->mg_flags |= MGf_MINMATCH; | |
927 | else | |
928 | mg->mg_flags &= ~MGf_MINMATCH; | |
929 | } | |
a0d0e21e | 930 | } |
4633a7c4 | 931 | LEAVE_SCOPE(oldsave); |
a0d0e21e LW |
932 | RETPUSHYES; |
933 | } | |
934 | ||
935 | yup: | |
9212bbba | 936 | TAINT_IF(rx->exec_tainted); |
a0d0e21e LW |
937 | ++BmUSEFUL(pm->op_pmshort); |
938 | curpm = pm; | |
939 | if (pm->op_pmflags & PMf_ONCE) | |
940 | pm->op_pmflags |= PMf_USED; | |
5f05dabc | 941 | Safefree(rx->subbase); |
942 | rx->subbase = Nullch; | |
a0d0e21e LW |
943 | if (global) { |
944 | rx->subbeg = truebase; | |
945 | rx->subend = strend; | |
946 | rx->startp[0] = s; | |
947 | rx->endp[0] = s + SvCUR(pm->op_pmshort); | |
948 | goto gotcha; | |
949 | } | |
950 | if (sawampersand) { | |
951 | char *tmps; | |
952 | ||
a0d0e21e LW |
953 | tmps = rx->subbase = savepvn(t, strend-t); |
954 | rx->subbeg = tmps; | |
955 | rx->subend = tmps + (strend-t); | |
956 | tmps = rx->startp[0] = tmps + (s - t); | |
957 | rx->endp[0] = tmps + SvCUR(pm->op_pmshort); | |
958 | } | |
4633a7c4 | 959 | LEAVE_SCOPE(oldsave); |
a0d0e21e LW |
960 | RETPUSHYES; |
961 | ||
962 | nope: | |
963 | if (pm->op_pmshort) | |
964 | ++BmUSEFUL(pm->op_pmshort); | |
965 | ||
966 | ret_no: | |
c90c0ff4 | 967 | if (global && !(pm->op_pmflags & PMf_CONTINUE)) { |
968 | if (SvTYPE(TARG) >= SVt_PVMG && SvMAGIC(TARG)) { | |
969 | MAGIC* mg = mg_find(TARG, 'g'); | |
970 | if (mg) | |
971 | mg->mg_len = -1; | |
972 | } | |
973 | } | |
4633a7c4 | 974 | LEAVE_SCOPE(oldsave); |
a0d0e21e LW |
975 | if (gimme == G_ARRAY) |
976 | RETURN; | |
977 | RETPUSHNO; | |
978 | } | |
979 | ||
980 | OP * | |
981 | do_readline() | |
982 | { | |
983 | dSP; dTARGETSTACKED; | |
984 | register SV *sv; | |
985 | STRLEN tmplen = 0; | |
986 | STRLEN offset; | |
760ac839 | 987 | PerlIO *fp; |
a0d0e21e LW |
988 | register IO *io = GvIO(last_in_gv); |
989 | register I32 type = op->op_type; | |
54310121 | 990 | I32 gimme = GIMME_V; |
e79b0511 | 991 | MAGIC *mg; |
a0d0e21e | 992 | |
e79b0511 | 993 | if (SvMAGICAL(last_in_gv) && (mg = mg_find((SV*)last_in_gv, 'q'))) { |
994 | PUSHMARK(SP); | |
995 | XPUSHs(mg->mg_obj); | |
996 | PUTBACK; | |
997 | ENTER; | |
54310121 | 998 | perl_call_method("READLINE", gimme); |
e79b0511 | 999 | LEAVE; |
1000 | SPAGAIN; | |
54310121 | 1001 | if (gimme == G_SCALAR) |
1002 | SvSetMagicSV_nosteal(TARG, TOPs); | |
e79b0511 | 1003 | RETURN; |
1004 | } | |
a0d0e21e LW |
1005 | fp = Nullfp; |
1006 | if (io) { | |
1007 | fp = IoIFP(io); | |
1008 | if (!fp) { | |
1009 | if (IoFLAGS(io) & IOf_ARGV) { | |
1010 | if (IoFLAGS(io) & IOf_START) { | |
1011 | IoFLAGS(io) &= ~IOf_START; | |
1012 | IoLINES(io) = 0; | |
1013 | if (av_len(GvAVn(last_in_gv)) < 0) { | |
1014 | SV *tmpstr = newSVpv("-", 1); /* assume stdin */ | |
1015 | av_push(GvAVn(last_in_gv), tmpstr); | |
1016 | } | |
1017 | } | |
1018 | fp = nextargv(last_in_gv); | |
1019 | if (!fp) { /* Note: fp != IoIFP(io) */ | |
1020 | (void)do_close(last_in_gv, FALSE); /* now it does*/ | |
1021 | IoFLAGS(io) |= IOf_START; | |
1022 | } | |
1023 | } | |
1024 | else if (type == OP_GLOB) { | |
1025 | SV *tmpcmd = NEWSV(55, 0); | |
1026 | SV *tmpglob = POPs; | |
1027 | ENTER; | |
1028 | SAVEFREESV(tmpcmd); | |
1029 | #ifdef VMS /* expand the wildcards right here, rather than opening a pipe, */ | |
1030 | /* since spawning off a process is a real performance hit */ | |
1031 | { | |
1032 | #include <descrip.h> | |
1033 | #include <lib$routines.h> | |
1034 | #include <nam.h> | |
1035 | #include <rmsdef.h> | |
1036 | char rslt[NAM$C_MAXRSS+1+sizeof(unsigned short int)] = {'\0','\0'}; | |
1037 | char vmsspec[NAM$C_MAXRSS+1]; | |
1038 | char *rstr = rslt + sizeof(unsigned short int), *begin, *end, *cp; | |
1039 | char tmpfnam[L_tmpnam] = "SYS$SCRATCH:"; | |
1040 | $DESCRIPTOR(dfltdsc,"SYS$DISK:[]*.*;"); | |
760ac839 | 1041 | PerlIO *tmpfp; |
a0d0e21e LW |
1042 | STRLEN i; |
1043 | struct dsc$descriptor_s wilddsc | |
1044 | = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0}; | |
1045 | struct dsc$descriptor_vs rsdsc | |
1046 | = {sizeof rslt, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, rslt}; | |
1047 | unsigned long int cxt = 0, sts = 0, ok = 1, hasdir = 0, hasver = 0, isunix = 0; | |
1048 | ||
1049 | /* We could find out if there's an explicit dev/dir or version | |
1050 | by peeking into lib$find_file's internal context at | |
1051 | ((struct NAM *)((struct FAB *)cxt)->fab$l_nam)->nam$l_fnb | |
1052 | but that's unsupported, so I don't want to do it now and | |
1053 | have it bite someone in the future. */ | |
1054 | strcat(tmpfnam,tmpnam(NULL)); | |
1055 | cp = SvPV(tmpglob,i); | |
1056 | for (; i; i--) { | |
1057 | if (cp[i] == ';') hasver = 1; | |
1058 | if (cp[i] == '.') { | |
1059 | if (sts) hasver = 1; | |
1060 | else sts = 1; | |
1061 | } | |
1062 | if (cp[i] == '/') { | |
1063 | hasdir = isunix = 1; | |
1064 | break; | |
748a9306 | 1065 | } |
a0d0e21e LW |
1066 | if (cp[i] == ']' || cp[i] == '>' || cp[i] == ':') { |
1067 | hasdir = 1; | |
1068 | break; | |
1069 | } | |
1070 | } | |
760ac839 | 1071 | if ((tmpfp = PerlIO_open(tmpfnam,"w+","fop=dlt")) != NULL) { |
a0d0e21e LW |
1072 | ok = ((wilddsc.dsc$a_pointer = tovmsspec(SvPVX(tmpglob),vmsspec)) != NULL); |
1073 | if (ok) wilddsc.dsc$w_length = (unsigned short int) strlen(wilddsc.dsc$a_pointer); | |
1074 | while (ok && ((sts = lib$find_file(&wilddsc,&rsdsc,&cxt, | |
1075 | &dfltdsc,NULL,NULL,NULL))&1)) { | |
1076 | end = rstr + (unsigned long int) *rslt; | |
1077 | if (!hasver) while (*end != ';') end--; | |
1078 | *(end++) = '\n'; *end = '\0'; | |
1079 | for (cp = rstr; *cp; cp++) *cp = _tolower(*cp); | |
1080 | if (hasdir) { | |
f86702cc | 1081 | if (isunix) trim_unixpath(rstr,SvPVX(tmpglob),1); |
a0d0e21e LW |
1082 | begin = rstr; |
1083 | } | |
1084 | else { | |
1085 | begin = end; | |
1086 | while (*(--begin) != ']' && *begin != '>') ; | |
1087 | ++begin; | |
1088 | } | |
760ac839 | 1089 | ok = (PerlIO_puts(tmpfp,begin) != EOF); |
a0d0e21e LW |
1090 | } |
1091 | if (cxt) (void)lib$find_file_end(&cxt); | |
748a9306 LW |
1092 | if (ok && sts != RMS$_NMF && |
1093 | sts != RMS$_DNF && sts != RMS$_FNF) ok = 0; | |
a0d0e21e | 1094 | if (!ok) { |
c07a80fd | 1095 | if (!(sts & 1)) { |
1096 | SETERRNO((sts == RMS$_SYN ? EINVAL : EVMSERR),sts); | |
1097 | } | |
760ac839 | 1098 | PerlIO_close(tmpfp); |
a0d0e21e LW |
1099 | fp = NULL; |
1100 | } | |
1101 | else { | |
760ac839 | 1102 | PerlIO_rewind(tmpfp); |
a0d0e21e LW |
1103 | IoTYPE(io) = '<'; |
1104 | IoIFP(io) = fp = tmpfp; | |
1e422769 | 1105 | IoFLAGS(io) &= ~IOf_UNTAINT; /* maybe redundant */ |
a0d0e21e LW |
1106 | } |
1107 | } | |
1108 | } | |
1109 | #else /* !VMS */ | |
1110 | #ifdef DOSISH | |
67955e0c | 1111 | #ifdef OS2 |
1112 | sv_setpv(tmpcmd, "for a in "); | |
1113 | sv_catsv(tmpcmd, tmpglob); | |
1114 | sv_catpv(tmpcmd, "; do echo \"$a\\0\\c\"; done |"); | |
1115 | #else | |
a0d0e21e LW |
1116 | sv_setpv(tmpcmd, "perlglob "); |
1117 | sv_catsv(tmpcmd, tmpglob); | |
1118 | sv_catpv(tmpcmd, " |"); | |
67955e0c | 1119 | #endif /* !OS2 */ |
1120 | #else /* !DOSISH */ | |
1121 | #if defined(CSH) | |
a0d0e21e LW |
1122 | sv_setpvn(tmpcmd, cshname, cshlen); |
1123 | sv_catpv(tmpcmd, " -cf 'set nonomatch; glob "); | |
1124 | sv_catsv(tmpcmd, tmpglob); | |
16d20bd9 | 1125 | sv_catpv(tmpcmd, "' 2>/dev/null |"); |
a0d0e21e LW |
1126 | #else |
1127 | sv_setpv(tmpcmd, "echo "); | |
1128 | sv_catsv(tmpcmd, tmpglob); | |
1129 | #if 'z' - 'a' == 25 | |
1130 | sv_catpv(tmpcmd, "|tr -s ' \t\f\r' '\\012\\012\\012\\012'|"); | |
1131 | #else | |
1132 | sv_catpv(tmpcmd, "|tr -s ' \t\f\r' '\\n\\n\\n\\n'|"); | |
1133 | #endif | |
1134 | #endif /* !CSH */ | |
67955e0c | 1135 | #endif /* !DOSISH */ |
c07a80fd | 1136 | (void)do_open(last_in_gv, SvPVX(tmpcmd), SvCUR(tmpcmd), |
1137 | FALSE, 0, 0, Nullfp); | |
a0d0e21e LW |
1138 | fp = IoIFP(io); |
1139 | #endif /* !VMS */ | |
1140 | LEAVE; | |
1141 | } | |
1142 | } | |
1143 | else if (type == OP_GLOB) | |
1144 | SP--; | |
1145 | } | |
1146 | if (!fp) { | |
4633a7c4 | 1147 | if (dowarn && io && !(IoFLAGS(io) & IOf_START)) |
a0d0e21e | 1148 | warn("Read on closed filehandle <%s>", GvENAME(last_in_gv)); |
54310121 | 1149 | if (gimme == G_SCALAR) { |
a0d0e21e LW |
1150 | (void)SvOK_off(TARG); |
1151 | PUSHTARG; | |
1152 | } | |
1153 | RETURN; | |
1154 | } | |
54310121 | 1155 | if (gimme == G_SCALAR) { |
a0d0e21e | 1156 | sv = TARG; |
9607fc9c | 1157 | if (SvROK(sv)) |
1158 | sv_unref(sv); | |
a0d0e21e LW |
1159 | (void)SvUPGRADE(sv, SVt_PV); |
1160 | tmplen = SvLEN(sv); /* remember if already alloced */ | |
1161 | if (!tmplen) | |
1162 | Sv_Grow(sv, 80); /* try short-buffering it */ | |
1163 | if (type == OP_RCATLINE) | |
1164 | offset = SvCUR(sv); | |
1165 | else | |
1166 | offset = 0; | |
1167 | } | |
54310121 | 1168 | else { |
1169 | sv = sv_2mortal(NEWSV(57, 80)); | |
1170 | offset = 0; | |
1171 | } | |
a0d0e21e LW |
1172 | for (;;) { |
1173 | if (!sv_gets(sv, fp, offset)) { | |
760ac839 | 1174 | PerlIO_clearerr(fp); |
a0d0e21e LW |
1175 | if (IoFLAGS(io) & IOf_ARGV) { |
1176 | fp = nextargv(last_in_gv); | |
1177 | if (fp) | |
1178 | continue; | |
1179 | (void)do_close(last_in_gv, FALSE); | |
1180 | IoFLAGS(io) |= IOf_START; | |
1181 | } | |
1182 | else if (type == OP_GLOB) { | |
5cd24f17 | 1183 | if (do_close(last_in_gv, FALSE) & ~0xFF) |
1184 | warn("internal error: glob failed"); | |
a0d0e21e | 1185 | } |
54310121 | 1186 | if (gimme == G_SCALAR) { |
a0d0e21e LW |
1187 | (void)SvOK_off(TARG); |
1188 | PUSHTARG; | |
1189 | } | |
1190 | RETURN; | |
1191 | } | |
bbce6d69 | 1192 | /* This should not be marked tainted if the fp is marked clean */ |
1193 | if (!(IoFLAGS(io) & IOf_UNTAINT)) { | |
1194 | TAINT; | |
1195 | SvTAINTED_on(sv); | |
1196 | } | |
a0d0e21e | 1197 | IoLINES(io)++; |
71be2cbc | 1198 | SvSETMAGIC(sv); |
a0d0e21e | 1199 | XPUSHs(sv); |
a0d0e21e LW |
1200 | if (type == OP_GLOB) { |
1201 | char *tmps; | |
1202 | ||
c07a80fd | 1203 | if (SvCUR(sv) > 0 && SvCUR(rs) > 0) { |
1204 | tmps = SvEND(sv) - 1; | |
1205 | if (*tmps == *SvPVX(rs)) { | |
1206 | *tmps = '\0'; | |
1207 | SvCUR(sv)--; | |
1208 | } | |
1209 | } | |
a0d0e21e LW |
1210 | for (tmps = SvPVX(sv); *tmps; tmps++) |
1211 | if (!isALPHA(*tmps) && !isDIGIT(*tmps) && | |
1212 | strchr("$&*(){}[]'\";\\|?<>~`", *tmps)) | |
1213 | break; | |
1214 | if (*tmps && Stat(SvPVX(sv), &statbuf) < 0) { | |
1215 | (void)POPs; /* Unmatched wildcard? Chuck it... */ | |
1216 | continue; | |
1217 | } | |
1218 | } | |
54310121 | 1219 | if (gimme == G_ARRAY) { |
a0d0e21e LW |
1220 | if (SvLEN(sv) - SvCUR(sv) > 20) { |
1221 | SvLEN_set(sv, SvCUR(sv)+1); | |
1222 | Renew(SvPVX(sv), SvLEN(sv), char); | |
1223 | } | |
1224 | sv = sv_2mortal(NEWSV(58, 80)); | |
1225 | continue; | |
1226 | } | |
54310121 | 1227 | else if (gimme == G_SCALAR && !tmplen && SvLEN(sv) - SvCUR(sv) > 80) { |
a0d0e21e LW |
1228 | /* try to reclaim a bit of scalar space (only on 1st alloc) */ |
1229 | if (SvCUR(sv) < 60) | |
1230 | SvLEN_set(sv, 80); | |
1231 | else | |
1232 | SvLEN_set(sv, SvCUR(sv)+40); /* allow some slop */ | |
1233 | Renew(SvPVX(sv), SvLEN(sv), char); | |
1234 | } | |
1235 | RETURN; | |
1236 | } | |
1237 | } | |
1238 | ||
1239 | PP(pp_enter) | |
1240 | { | |
1241 | dSP; | |
1242 | register CONTEXT *cx; | |
54310121 | 1243 | I32 gimme = OP_GIMME(op, -1); |
a0d0e21e | 1244 | |
54310121 | 1245 | if (gimme == -1) { |
1246 | if (cxstack_ix >= 0) | |
1247 | gimme = cxstack[cxstack_ix].blk_gimme; | |
1248 | else | |
1249 | gimme = G_SCALAR; | |
1250 | } | |
a0d0e21e LW |
1251 | |
1252 | ENTER; | |
1253 | ||
1254 | SAVETMPS; | |
1255 | PUSHBLOCK(cx, CXt_BLOCK, sp); | |
1256 | ||
1257 | RETURN; | |
1258 | } | |
1259 | ||
1260 | PP(pp_helem) | |
1261 | { | |
1262 | dSP; | |
760ac839 | 1263 | HE* he; |
a0d0e21e | 1264 | SV *keysv = POPs; |
a0d0e21e | 1265 | HV *hv = (HV*)POPs; |
68dc0745 | 1266 | U32 lval = op->op_flags & OPf_MOD; |
1267 | U32 defer = op->op_private & OPpLVAL_DEFER; | |
a0d0e21e LW |
1268 | |
1269 | if (SvTYPE(hv) != SVt_PVHV) | |
1270 | RETPUSHUNDEF; | |
68dc0745 | 1271 | he = hv_fetch_ent(hv, keysv, lval && !defer, 0); |
a0d0e21e | 1272 | if (lval) { |
68dc0745 | 1273 | if (!he || HeVAL(he) == &sv_undef) { |
1274 | SV* lv; | |
1275 | SV* key2; | |
1276 | if (!defer) | |
1277 | DIE(no_helem, SvPV(keysv, na)); | |
1278 | lv = sv_newmortal(); | |
1279 | sv_upgrade(lv, SVt_PVLV); | |
1280 | LvTYPE(lv) = 'y'; | |
1281 | sv_magic(lv, key2 = newSVsv(keysv), 'y', Nullch, 0); | |
1282 | SvREFCNT_dec(key2); /* sv_magic() increments refcount */ | |
1283 | LvTARG(lv) = SvREFCNT_inc(hv); | |
1284 | LvTARGLEN(lv) = 1; | |
1285 | PUSHs(lv); | |
1286 | RETURN; | |
1287 | } | |
5f05dabc | 1288 | if (op->op_private & OPpLVAL_INTRO) { |
1289 | if (HvNAME(hv) && isGV(HeVAL(he))) | |
1290 | save_gp((GV*)HeVAL(he), !(op->op_flags & OPf_SPECIAL)); | |
1291 | else | |
1292 | save_svref(&HeVAL(he)); | |
1293 | } | |
1294 | else if (op->op_private & OPpDEREF) | |
68dc0745 | 1295 | vivify_ref(HeVAL(he), op->op_private & OPpDEREF); |
a0d0e21e | 1296 | } |
760ac839 | 1297 | PUSHs(he ? HeVAL(he) : &sv_undef); |
a0d0e21e LW |
1298 | RETURN; |
1299 | } | |
1300 | ||
1301 | PP(pp_leave) | |
1302 | { | |
1303 | dSP; | |
1304 | register CONTEXT *cx; | |
1305 | register SV **mark; | |
1306 | SV **newsp; | |
1307 | PMOP *newpm; | |
1308 | I32 gimme; | |
1309 | ||
1310 | if (op->op_flags & OPf_SPECIAL) { | |
1311 | cx = &cxstack[cxstack_ix]; | |
1312 | cx->blk_oldpm = curpm; /* fake block should preserve $1 et al */ | |
1313 | } | |
1314 | ||
1315 | POPBLOCK(cx,newpm); | |
1316 | ||
54310121 | 1317 | gimme = OP_GIMME(op, -1); |
1318 | if (gimme == -1) { | |
1319 | if (cxstack_ix >= 0) | |
1320 | gimme = cxstack[cxstack_ix].blk_gimme; | |
1321 | else | |
1322 | gimme = G_SCALAR; | |
1323 | } | |
a0d0e21e | 1324 | |
a1f49e72 | 1325 | TAINT_NOT; |
54310121 | 1326 | if (gimme == G_VOID) |
1327 | SP = newsp; | |
1328 | else if (gimme == G_SCALAR) { | |
1329 | MARK = newsp + 1; | |
1330 | if (MARK <= SP) | |
1331 | if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP)) | |
1332 | *MARK = TOPs; | |
1333 | else | |
1334 | *MARK = sv_mortalcopy(TOPs); | |
a0d0e21e | 1335 | else { |
54310121 | 1336 | MEXTEND(mark,0); |
1337 | *MARK = &sv_undef; | |
a0d0e21e | 1338 | } |
54310121 | 1339 | SP = MARK; |
a0d0e21e | 1340 | } |
54310121 | 1341 | else if (gimme == G_ARRAY) { |
a1f49e72 CS |
1342 | /* in case LEAVE wipes old return values */ |
1343 | for (mark = newsp + 1; mark <= SP; mark++) { | |
1344 | if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) { | |
a0d0e21e | 1345 | *mark = sv_mortalcopy(*mark); |
a1f49e72 CS |
1346 | TAINT_NOT; /* Each item is independent */ |
1347 | } | |
1348 | } | |
a0d0e21e LW |
1349 | } |
1350 | curpm = newpm; /* Don't pop $1 et al till now */ | |
1351 | ||
1352 | LEAVE; | |
1353 | ||
1354 | RETURN; | |
1355 | } | |
1356 | ||
1357 | PP(pp_iter) | |
1358 | { | |
1359 | dSP; | |
1360 | register CONTEXT *cx; | |
5f05dabc | 1361 | SV* sv; |
4633a7c4 | 1362 | AV* av; |
a0d0e21e LW |
1363 | |
1364 | EXTEND(sp, 1); | |
1365 | cx = &cxstack[cxstack_ix]; | |
1366 | if (cx->cx_type != CXt_LOOP) | |
1367 | DIE("panic: pp_iter"); | |
1368 | ||
71be2cbc | 1369 | av = cx->blk_loop.iterary; |
1370 | if (cx->blk_loop.iterix >= (av == curstack ? cx->blk_oldsp : AvFILL(av))) | |
a0d0e21e LW |
1371 | RETPUSHNO; |
1372 | ||
7a4c00b4 | 1373 | SvREFCNT_dec(*cx->blk_loop.itervar); |
1374 | ||
5f05dabc | 1375 | if (sv = AvARRAY(av)[++cx->blk_loop.iterix]) |
a0d0e21e | 1376 | SvTEMP_off(sv); |
a0d0e21e | 1377 | else |
5f05dabc | 1378 | sv = &sv_undef; |
1379 | if (av != curstack && SvIMMORTAL(sv)) { | |
1380 | SV *lv = cx->blk_loop.iterlval; | |
71be2cbc | 1381 | if (lv && SvREFCNT(lv) > 1) { |
1382 | SvREFCNT_dec(lv); | |
1383 | lv = Nullsv; | |
1384 | } | |
5f05dabc | 1385 | if (lv) |
1386 | SvREFCNT_dec(LvTARG(lv)); | |
1387 | else { | |
68dc0745 | 1388 | lv = cx->blk_loop.iterlval = NEWSV(26, 0); |
5f05dabc | 1389 | sv_upgrade(lv, SVt_PVLV); |
5f05dabc | 1390 | LvTYPE(lv) = 'y'; |
68dc0745 | 1391 | sv_magic(lv, Nullsv, 'y', Nullch, 0); |
5f05dabc | 1392 | } |
1393 | LvTARG(lv) = SvREFCNT_inc(av); | |
1394 | LvTARGOFF(lv) = cx->blk_loop.iterix; | |
68dc0745 | 1395 | LvTARGLEN(lv) = -1; |
5f05dabc | 1396 | sv = (SV*)lv; |
1397 | } | |
7a4c00b4 | 1398 | |
1399 | *cx->blk_loop.itervar = SvREFCNT_inc(sv); | |
a0d0e21e LW |
1400 | RETPUSHYES; |
1401 | } | |
1402 | ||
1403 | PP(pp_subst) | |
1404 | { | |
1405 | dSP; dTARG; | |
1406 | register PMOP *pm = cPMOP; | |
1407 | PMOP *rpm = pm; | |
1408 | register SV *dstr; | |
1409 | register char *s; | |
1410 | char *strend; | |
1411 | register char *m; | |
1412 | char *c; | |
1413 | register char *d; | |
1414 | STRLEN clen; | |
1415 | I32 iters = 0; | |
1416 | I32 maxiters; | |
1417 | register I32 i; | |
1418 | bool once; | |
71be2cbc | 1419 | bool rxtainted; |
a0d0e21e LW |
1420 | char *orig; |
1421 | I32 safebase; | |
1422 | register REGEXP *rx = pm->op_pmregexp; | |
1423 | STRLEN len; | |
1424 | int force_on_match = 0; | |
4633a7c4 | 1425 | I32 oldsave = savestack_ix; |
a0d0e21e | 1426 | |
5cd24f17 | 1427 | /* known replacement string? */ |
1428 | dstr = (pm->op_pmflags & PMf_CONST) ? POPs : Nullsv; | |
a0d0e21e LW |
1429 | if (op->op_flags & OPf_STACKED) |
1430 | TARG = POPs; | |
1431 | else { | |
1432 | TARG = GvSV(defgv); | |
1433 | EXTEND(SP,1); | |
1434 | } | |
68dc0745 | 1435 | if (SvREADONLY(TARG) |
1436 | || (SvTYPE(TARG) > SVt_PVLV | |
1437 | && !(SvTYPE(TARG) == SVt_PVGV && SvFAKE(TARG)))) | |
1438 | croak(no_modify); | |
a0d0e21e | 1439 | s = SvPV(TARG, len); |
68dc0745 | 1440 | if (!SvPOKp(TARG) || SvTYPE(TARG) == SVt_PVGV) |
a0d0e21e | 1441 | force_on_match = 1; |
9212bbba | 1442 | TAINT_NOT; |
a0d0e21e LW |
1443 | |
1444 | force_it: | |
1445 | if (!pm || !s) | |
1446 | DIE("panic: do_subst"); | |
1447 | ||
1448 | strend = s + len; | |
1449 | maxiters = (strend - s) + 10; | |
1450 | ||
1451 | if (!rx->prelen && curpm) { | |
1452 | pm = curpm; | |
1453 | rx = pm->op_pmregexp; | |
1454 | } | |
5f05dabc | 1455 | safebase = (!rx->nparens && !sawampersand); |
a0d0e21e LW |
1456 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
1457 | SAVEINT(multiline); | |
1458 | multiline = pm->op_pmflags & PMf_MULTILINE; | |
1459 | } | |
1460 | orig = m = s; | |
1461 | if (pm->op_pmshort) { | |
1462 | if (pm->op_pmflags & PMf_SCANFIRST) { | |
1463 | if (SvSCREAM(TARG)) { | |
1464 | if (screamfirst[BmRARE(pm->op_pmshort)] < 0) | |
1465 | goto nope; | |
1466 | else if (!(s = screaminstr(TARG, pm->op_pmshort))) | |
1467 | goto nope; | |
1468 | } | |
1469 | else if (!(s = fbm_instr((unsigned char*)s, (unsigned char*)strend, | |
1470 | pm->op_pmshort))) | |
1471 | goto nope; | |
1472 | if (s && rx->regback >= 0) { | |
1473 | ++BmUSEFUL(pm->op_pmshort); | |
1474 | s -= rx->regback; | |
1475 | if (s < m) | |
1476 | s = m; | |
1477 | } | |
1478 | else | |
1479 | s = m; | |
1480 | } | |
1481 | else if (!multiline) { | |
bbce6d69 | 1482 | if (*SvPVX(pm->op_pmshort) != *s |
1483 | || (pm->op_pmslen > 1 | |
36477c24 | 1484 | && memNE(SvPVX(pm->op_pmshort), s, pm->op_pmslen))) |
bbce6d69 | 1485 | goto nope; |
a0d0e21e LW |
1486 | } |
1487 | if (!rx->naughty && --BmUSEFUL(pm->op_pmshort) < 0) { | |
1488 | SvREFCNT_dec(pm->op_pmshort); | |
1489 | pm->op_pmshort = Nullsv; /* opt is being useless */ | |
1490 | } | |
1491 | } | |
71be2cbc | 1492 | |
1493 | /* only replace once? */ | |
a0d0e21e | 1494 | once = !(rpm->op_pmflags & PMf_GLOBAL); |
71be2cbc | 1495 | |
1496 | /* known replacement string? */ | |
5cd24f17 | 1497 | c = dstr ? SvPV(dstr, clen) : Nullch; |
71be2cbc | 1498 | |
1499 | /* can do inplace substitution? */ | |
137443ea | 1500 | if (c && clen <= rx->minlen && safebase) { |
71be2cbc | 1501 | if (! pregexec(rx, s, strend, orig, 0, |
1502 | SvSCREAM(TARG) ? TARG : Nullsv, safebase)) { | |
1503 | PUSHs(&sv_no); | |
1504 | LEAVE_SCOPE(oldsave); | |
1505 | RETURN; | |
1506 | } | |
1507 | if (force_on_match) { | |
1508 | force_on_match = 0; | |
1509 | s = SvPV_force(TARG, len); | |
1510 | goto force_it; | |
1511 | } | |
71be2cbc | 1512 | d = s; |
1513 | curpm = pm; | |
1514 | SvSCREAM_off(TARG); /* disable possible screamer */ | |
1515 | if (once) { | |
1516 | rxtainted = rx->exec_tainted; | |
1517 | m = rx->startp[0]; | |
1518 | d = rx->endp[0]; | |
1519 | s = orig; | |
1520 | if (m - s > strend - d) { /* faster to shorten from end */ | |
1521 | if (clen) { | |
1522 | Copy(c, m, clen, char); | |
1523 | m += clen; | |
a0d0e21e | 1524 | } |
71be2cbc | 1525 | i = strend - d; |
1526 | if (i > 0) { | |
1527 | Move(d, m, i, char); | |
1528 | m += i; | |
a0d0e21e | 1529 | } |
71be2cbc | 1530 | *m = '\0'; |
1531 | SvCUR_set(TARG, m - s); | |
1532 | } | |
1533 | /*SUPPRESS 560*/ | |
1534 | else if (i = m - s) { /* faster from front */ | |
1535 | d -= clen; | |
1536 | m = d; | |
1537 | sv_chop(TARG, d-i); | |
1538 | s += i; | |
1539 | while (i--) | |
1540 | *--d = *--s; | |
1541 | if (clen) | |
1542 | Copy(c, m, clen, char); | |
1543 | } | |
1544 | else if (clen) { | |
1545 | d -= clen; | |
1546 | sv_chop(TARG, d); | |
1547 | Copy(c, d, clen, char); | |
1548 | } | |
1549 | else { | |
1550 | sv_chop(TARG, d); | |
1551 | } | |
9212bbba | 1552 | TAINT_IF(rxtainted); |
71be2cbc | 1553 | PUSHs(&sv_yes); |
1554 | } | |
1555 | else { | |
1556 | rxtainted = 0; | |
1557 | do { | |
1558 | if (iters++ > maxiters) | |
1559 | DIE("Substitution loop"); | |
1560 | rxtainted |= rx->exec_tainted; | |
1561 | m = rx->startp[0]; | |
1562 | /*SUPPRESS 560*/ | |
1563 | if (i = m - s) { | |
1564 | if (s != d) | |
1565 | Move(s, d, i, char); | |
1566 | d += i; | |
a0d0e21e | 1567 | } |
71be2cbc | 1568 | if (clen) { |
1569 | Copy(c, d, clen, char); | |
1570 | d += clen; | |
1571 | } | |
1572 | s = rx->endp[0]; | |
1573 | } while (pregexec(rx, s, strend, orig, s == m, | |
1574 | Nullsv, TRUE)); /* don't match same null twice */ | |
1575 | if (s != d) { | |
1576 | i = strend - s; | |
1577 | SvCUR_set(TARG, d - SvPVX(TARG) + i); | |
1578 | Move(s, d, i+1, char); /* include the NUL */ | |
a0d0e21e | 1579 | } |
9212bbba | 1580 | TAINT_IF(rxtainted); |
71be2cbc | 1581 | PUSHs(sv_2mortal(newSViv((I32)iters))); |
a0d0e21e | 1582 | } |
71be2cbc | 1583 | (void)SvPOK_only(TARG); |
1584 | SvSETMAGIC(TARG); | |
9212bbba | 1585 | SvTAINT(TARG); |
71be2cbc | 1586 | LEAVE_SCOPE(oldsave); |
1587 | RETURN; | |
a0d0e21e | 1588 | } |
71be2cbc | 1589 | |
e50aee73 | 1590 | if (pregexec(rx, s, strend, orig, 0, |
5f05dabc | 1591 | SvSCREAM(TARG) ? TARG : Nullsv, safebase)) { |
a0d0e21e LW |
1592 | if (force_on_match) { |
1593 | force_on_match = 0; | |
1594 | s = SvPV_force(TARG, len); | |
1595 | goto force_it; | |
1596 | } | |
71be2cbc | 1597 | rxtainted = rx->exec_tainted; |
a0d0e21e LW |
1598 | dstr = NEWSV(25, sv_len(TARG)); |
1599 | sv_setpvn(dstr, m, s-m); | |
1600 | curpm = pm; | |
1601 | if (!c) { | |
1602 | register CONTEXT *cx; | |
1603 | PUSHSUBST(cx); | |
1604 | RETURNOP(cPMOP->op_pmreplroot); | |
1605 | } | |
1606 | do { | |
1607 | if (iters++ > maxiters) | |
1608 | DIE("Substitution loop"); | |
71be2cbc | 1609 | rxtainted |= rx->exec_tainted; |
a0d0e21e LW |
1610 | if (rx->subbase && rx->subbase != orig) { |
1611 | m = s; | |
1612 | s = orig; | |
1613 | orig = rx->subbase; | |
1614 | s = orig + (m - s); | |
1615 | strend = s + (strend - m); | |
1616 | } | |
1617 | m = rx->startp[0]; | |
1618 | sv_catpvn(dstr, s, m-s); | |
1619 | s = rx->endp[0]; | |
1620 | if (clen) | |
1621 | sv_catpvn(dstr, c, clen); | |
1622 | if (once) | |
1623 | break; | |
5f05dabc | 1624 | } while (pregexec(rx, s, strend, orig, s == m, Nullsv, safebase)); |
a0d0e21e | 1625 | sv_catpvn(dstr, s, strend - s); |
748a9306 | 1626 | |
9212bbba CS |
1627 | TAINT_IF(rxtainted); |
1628 | ||
4633a7c4 | 1629 | (void)SvOOK_off(TARG); |
cb0b1708 | 1630 | Safefree(SvPVX(TARG)); |
748a9306 LW |
1631 | SvPVX(TARG) = SvPVX(dstr); |
1632 | SvCUR_set(TARG, SvCUR(dstr)); | |
1633 | SvLEN_set(TARG, SvLEN(dstr)); | |
1634 | SvPVX(dstr) = 0; | |
1635 | sv_free(dstr); | |
1636 | ||
a0d0e21e LW |
1637 | (void)SvPOK_only(TARG); |
1638 | SvSETMAGIC(TARG); | |
9212bbba | 1639 | SvTAINT(TARG); |
a0d0e21e | 1640 | PUSHs(sv_2mortal(newSViv((I32)iters))); |
4633a7c4 | 1641 | LEAVE_SCOPE(oldsave); |
a0d0e21e LW |
1642 | RETURN; |
1643 | } | |
5cd24f17 | 1644 | goto ret_no; |
a0d0e21e LW |
1645 | |
1646 | nope: | |
1647 | ++BmUSEFUL(pm->op_pmshort); | |
5cd24f17 | 1648 | |
1649 | ret_no: | |
a0d0e21e | 1650 | PUSHs(&sv_no); |
4633a7c4 | 1651 | LEAVE_SCOPE(oldsave); |
a0d0e21e LW |
1652 | RETURN; |
1653 | } | |
1654 | ||
1655 | PP(pp_grepwhile) | |
1656 | { | |
1657 | dSP; | |
1658 | ||
1659 | if (SvTRUEx(POPs)) | |
1660 | stack_base[markstack_ptr[-1]++] = stack_base[*markstack_ptr]; | |
1661 | ++*markstack_ptr; | |
1662 | LEAVE; /* exit inner scope */ | |
1663 | ||
1664 | /* All done yet? */ | |
1665 | if (stack_base + *markstack_ptr > sp) { | |
1666 | I32 items; | |
54310121 | 1667 | I32 gimme = GIMME_V; |
a0d0e21e LW |
1668 | |
1669 | LEAVE; /* exit outer scope */ | |
1670 | (void)POPMARK; /* pop src */ | |
1671 | items = --*markstack_ptr - markstack_ptr[-1]; | |
1672 | (void)POPMARK; /* pop dst */ | |
1673 | SP = stack_base + POPMARK; /* pop original mark */ | |
54310121 | 1674 | if (gimme == G_SCALAR) { |
a0d0e21e LW |
1675 | dTARGET; |
1676 | XPUSHi(items); | |
a0d0e21e | 1677 | } |
54310121 | 1678 | else if (gimme == G_ARRAY) |
1679 | SP += items; | |
a0d0e21e LW |
1680 | RETURN; |
1681 | } | |
1682 | else { | |
1683 | SV *src; | |
1684 | ||
1685 | ENTER; /* enter inner scope */ | |
1686 | SAVESPTR(curpm); | |
1687 | ||
1688 | src = stack_base[*markstack_ptr]; | |
1689 | SvTEMP_off(src); | |
1690 | GvSV(defgv) = src; | |
1691 | ||
1692 | RETURNOP(cLOGOP->op_other); | |
1693 | } | |
1694 | } | |
1695 | ||
1696 | PP(pp_leavesub) | |
1697 | { | |
1698 | dSP; | |
1699 | SV **mark; | |
1700 | SV **newsp; | |
1701 | PMOP *newpm; | |
1702 | I32 gimme; | |
1703 | register CONTEXT *cx; | |
f86702cc | 1704 | struct block_sub cxsub; |
a0d0e21e LW |
1705 | |
1706 | POPBLOCK(cx,newpm); | |
f86702cc | 1707 | POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */ |
1708 | ||
a1f49e72 | 1709 | TAINT_NOT; |
a0d0e21e LW |
1710 | if (gimme == G_SCALAR) { |
1711 | MARK = newsp + 1; | |
1712 | if (MARK <= SP) | |
f86702cc | 1713 | *MARK = SvTEMP(TOPs) ? TOPs : sv_mortalcopy(TOPs); |
a0d0e21e | 1714 | else { |
f86702cc | 1715 | MEXTEND(MARK, 0); |
a0d0e21e LW |
1716 | *MARK = &sv_undef; |
1717 | } | |
1718 | SP = MARK; | |
1719 | } | |
54310121 | 1720 | else if (gimme == G_ARRAY) { |
f86702cc | 1721 | for (MARK = newsp + 1; MARK <= SP; MARK++) { |
a1f49e72 | 1722 | if (!SvTEMP(*MARK)) { |
f86702cc | 1723 | *MARK = sv_mortalcopy(*MARK); |
a1f49e72 CS |
1724 | TAINT_NOT; /* Each item is independent */ |
1725 | } | |
f86702cc | 1726 | } |
a0d0e21e | 1727 | } |
f86702cc | 1728 | PUTBACK; |
1729 | ||
1730 | POPSUB2(); /* Stack values are safe: release CV and @_ ... */ | |
1731 | curpm = newpm; /* ... and pop $1 et al */ | |
a0d0e21e LW |
1732 | |
1733 | LEAVE; | |
a0d0e21e LW |
1734 | return pop_return(); |
1735 | } | |
1736 | ||
1737 | PP(pp_entersub) | |
1738 | { | |
1739 | dSP; dPOPss; | |
1740 | GV *gv; | |
1741 | HV *stash; | |
1742 | register CV *cv; | |
1743 | register CONTEXT *cx; | |
5d94fbed | 1744 | I32 gimme; |
07055b4c | 1745 | bool hasargs = (op->op_flags & OPf_STACKED) != 0; |
a0d0e21e LW |
1746 | |
1747 | if (!sv) | |
1748 | DIE("Not a CODE reference"); | |
1749 | switch (SvTYPE(sv)) { | |
1750 | default: | |
1751 | if (!SvROK(sv)) { | |
748a9306 LW |
1752 | char *sym; |
1753 | ||
a0d0e21e LW |
1754 | if (sv == &sv_yes) /* unfound import, ignore */ |
1755 | RETURN; | |
15ff848f CS |
1756 | if (SvGMAGICAL(sv)) { |
1757 | mg_get(sv); | |
1758 | sym = SvPOKp(sv) ? SvPVX(sv) : Nullch; | |
1759 | } | |
1760 | else | |
1761 | sym = SvPV(sv, na); | |
1762 | if (!sym) | |
a0d0e21e LW |
1763 | DIE(no_usym, "a subroutine"); |
1764 | if (op->op_private & HINT_STRICT_REFS) | |
748a9306 LW |
1765 | DIE(no_symref, sym, "a subroutine"); |
1766 | cv = perl_get_cv(sym, TRUE); | |
a0d0e21e LW |
1767 | break; |
1768 | } | |
1769 | cv = (CV*)SvRV(sv); | |
28757baa | 1770 | if (SvTYPE(cv) == SVt_PVCV) |
a0d0e21e LW |
1771 | break; |
1772 | /* FALL THROUGH */ | |
1773 | case SVt_PVHV: | |
1774 | case SVt_PVAV: | |
1775 | DIE("Not a CODE reference"); | |
1776 | case SVt_PVCV: | |
1777 | cv = (CV*)sv; | |
1778 | break; | |
1779 | case SVt_PVGV: | |
8ebc5c01 | 1780 | if (!(cv = GvCVu((GV*)sv))) |
a0d0e21e LW |
1781 | cv = sv_2cv(sv, &stash, &gv, TRUE); |
1782 | break; | |
1783 | } | |
1784 | ||
8ebc5c01 | 1785 | ENTER; |
1786 | SAVETMPS; | |
1787 | ||
a0d0e21e LW |
1788 | retry: |
1789 | if (!cv) | |
1790 | DIE("Not a CODE reference"); | |
1791 | ||
1792 | if (!CvROOT(cv) && !CvXSUB(cv)) { | |
44a8e56a | 1793 | GV* autogv; |
1794 | SV* subname; | |
1795 | ||
1796 | /* anonymous or undef'd function leaves us no recourse */ | |
1797 | if (CvANON(cv) || !(gv = CvGV(cv))) | |
1798 | DIE("Undefined subroutine called"); | |
1799 | /* autoloaded stub? */ | |
1800 | if (cv != GvCV(gv)) { | |
1801 | cv = GvCV(gv); | |
1802 | goto retry; | |
a0d0e21e | 1803 | } |
44a8e56a | 1804 | /* should call AUTOLOAD now? */ |
54310121 | 1805 | if ((autogv = gv_autoload4(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), |
1806 | FALSE))) | |
1807 | { | |
44a8e56a | 1808 | cv = GvCV(autogv); |
1809 | goto retry; | |
1810 | } | |
1811 | /* sorry */ | |
1812 | subname = sv_newmortal(); | |
1813 | gv_efullname3(subname, gv, Nullch); | |
1814 | DIE("Undefined subroutine &%s called", SvPVX(subname)); | |
a0d0e21e LW |
1815 | } |
1816 | ||
54310121 | 1817 | gimme = GIMME_V; |
28757baa | 1818 | if ((op->op_private & OPpENTERSUB_DB) && GvCV(DBsub) && !CvNODEBUG(cv)) { |
71be2cbc | 1819 | SV *oldsv = sv; |
a0d0e21e LW |
1820 | sv = GvSV(DBsub); |
1821 | save_item(sv); | |
67955e0c | 1822 | gv = CvGV(cv); |
71be2cbc | 1823 | if ( (CvFLAGS(cv) & (CVf_ANON | CVf_CLONED)) |
1824 | || strEQ(GvNAME(gv), "END") | |
1825 | || ((GvCV(gv) != cv) && /* Could be imported, and old sub redefined. */ | |
1826 | !( (SvTYPE(oldsv) == SVt_PVGV) && (GvCV((GV*)oldsv) == cv) | |
1827 | && (gv = (GV*)oldsv) ))) { /* Use GV from the stack as a fallback. */ | |
1828 | /* GV is potentially non-unique, or contain different CV. */ | |
748a9306 | 1829 | sv_setsv(sv, newRV((SV*)cv)); |
a5f75d66 | 1830 | } |
748a9306 | 1831 | else { |
4f732624 | 1832 | gv_efullname3(sv, gv, Nullch); |
748a9306 | 1833 | } |
a0d0e21e | 1834 | cv = GvCV(DBsub); |
67955e0c | 1835 | if (CvXSUB(cv)) curcopdb = curcop; |
a0d0e21e LW |
1836 | if (!cv) |
1837 | DIE("No DBsub routine"); | |
1838 | } | |
1839 | ||
1840 | if (CvXSUB(cv)) { | |
1841 | if (CvOLDSTYLE(cv)) { | |
ecfc5424 | 1842 | I32 (*fp3)_((int,int,int)); |
a0d0e21e LW |
1843 | dMARK; |
1844 | register I32 items = SP - MARK; | |
67955e0c | 1845 | /* We dont worry to copy from @_. */ |
a0d0e21e LW |
1846 | while (sp > mark) { |
1847 | sp[1] = sp[0]; | |
1848 | sp--; | |
1849 | } | |
1850 | stack_sp = mark + 1; | |
ecfc5424 AD |
1851 | fp3 = (I32(*)_((int,int,int)))CvXSUB(cv); |
1852 | items = (*fp3)(CvXSUBANY(cv).any_i32, | |
1853 | MARK - stack_base + 1, | |
1854 | items); | |
a0d0e21e LW |
1855 | stack_sp = stack_base + items; |
1856 | } | |
1857 | else { | |
748a9306 LW |
1858 | I32 markix = TOPMARK; |
1859 | ||
a0d0e21e | 1860 | PUTBACK; |
67955e0c | 1861 | |
1862 | if (!hasargs) { | |
1863 | /* Need to copy @_ to stack. Alternative may be to | |
1864 | * switch stack to @_, and copy return values | |
1865 | * back. This would allow popping @_ in XSUB, e.g.. XXXX */ | |
1866 | AV* av = GvAV(defgv); | |
1867 | I32 items = AvFILL(av) + 1; | |
1868 | ||
1869 | if (items) { | |
1870 | /* Mark is at the end of the stack. */ | |
1871 | EXTEND(sp, items); | |
1872 | Copy(AvARRAY(av), sp + 1, items, SV*); | |
1873 | sp += items; | |
1874 | PUTBACK ; | |
1875 | } | |
1876 | } | |
1877 | if (curcopdb) { /* We assume that the first | |
1878 | XSUB in &DB::sub is the | |
1879 | called one. */ | |
1880 | SAVESPTR(curcop); | |
1881 | curcop = curcopdb; | |
1882 | curcopdb = NULL; | |
1883 | } | |
1884 | /* Do we need to open block here? XXXX */ | |
a0d0e21e | 1885 | (void)(*CvXSUB(cv))(cv); |
748a9306 LW |
1886 | |
1887 | /* Enforce some sanity in scalar context. */ | |
5d94fbed | 1888 | if (gimme == G_SCALAR && ++markix != stack_sp - stack_base ) { |
748a9306 LW |
1889 | if (markix > stack_sp - stack_base) |
1890 | *(stack_base + markix) = &sv_undef; | |
1891 | else | |
1892 | *(stack_base + markix) = *stack_sp; | |
1893 | stack_sp = stack_base + markix; | |
1894 | } | |
a0d0e21e LW |
1895 | } |
1896 | LEAVE; | |
1897 | return NORMAL; | |
1898 | } | |
1899 | else { | |
1900 | dMARK; | |
1901 | register I32 items = SP - MARK; | |
a0d0e21e LW |
1902 | AV* padlist = CvPADLIST(cv); |
1903 | SV** svp = AvARRAY(padlist); | |
1904 | push_return(op->op_next); | |
1905 | PUSHBLOCK(cx, CXt_SUB, MARK); | |
1906 | PUSHSUB(cx); | |
1907 | CvDEPTH(cv)++; | |
1908 | if (CvDEPTH(cv) < 2) | |
1909 | (void)SvREFCNT_inc(cv); | |
1910 | else { /* save temporaries on recursion? */ | |
5f05dabc | 1911 | if (CvDEPTH(cv) == 100 && dowarn |
44a8e56a | 1912 | && !(perldb && cv == GvCV(DBsub))) |
1913 | sub_crush_depth(cv); | |
a0d0e21e LW |
1914 | if (CvDEPTH(cv) > AvFILL(padlist)) { |
1915 | AV *av; | |
1916 | AV *newpad = newAV(); | |
4aa0a1f7 | 1917 | SV **oldpad = AvARRAY(svp[CvDEPTH(cv)-1]); |
a0d0e21e LW |
1918 | I32 ix = AvFILL((AV*)svp[1]); |
1919 | svp = AvARRAY(svp[0]); | |
748a9306 | 1920 | for ( ;ix > 0; ix--) { |
a0d0e21e | 1921 | if (svp[ix] != &sv_undef) { |
748a9306 | 1922 | char *name = SvPVX(svp[ix]); |
5f05dabc | 1923 | if ((SvFLAGS(svp[ix]) & SVf_FAKE) /* outer lexical? */ |
1924 | || *name == '&') /* anonymous code? */ | |
1925 | { | |
1926 | av_store(newpad, ix, SvREFCNT_inc(oldpad[ix])); | |
748a9306 LW |
1927 | } |
1928 | else { /* our own lexical */ | |
1929 | if (*name == '@') | |
1930 | av_store(newpad, ix, sv = (SV*)newAV()); | |
1931 | else if (*name == '%') | |
1932 | av_store(newpad, ix, sv = (SV*)newHV()); | |
1933 | else | |
1934 | av_store(newpad, ix, sv = NEWSV(0,0)); | |
1935 | SvPADMY_on(sv); | |
1936 | } | |
a0d0e21e LW |
1937 | } |
1938 | else { | |
748a9306 | 1939 | av_store(newpad, ix, sv = NEWSV(0,0)); |
a0d0e21e LW |
1940 | SvPADTMP_on(sv); |
1941 | } | |
1942 | } | |
1943 | av = newAV(); /* will be @_ */ | |
1944 | av_extend(av, 0); | |
1945 | av_store(newpad, 0, (SV*)av); | |
1946 | AvFLAGS(av) = AVf_REIFY; | |
1947 | av_store(padlist, CvDEPTH(cv), (SV*)newpad); | |
1948 | AvFILL(padlist) = CvDEPTH(cv); | |
1949 | svp = AvARRAY(padlist); | |
1950 | } | |
1951 | } | |
1952 | SAVESPTR(curpad); | |
1953 | curpad = AvARRAY((AV*)svp[CvDEPTH(cv)]); | |
1954 | if (hasargs) { | |
1955 | AV* av = (AV*)curpad[0]; | |
1956 | SV** ary; | |
1957 | ||
1958 | if (AvREAL(av)) { | |
1959 | av_clear(av); | |
1960 | AvREAL_off(av); | |
1961 | } | |
1962 | cx->blk_sub.savearray = GvAV(defgv); | |
1963 | cx->blk_sub.argarray = av; | |
0c8c7a05 | 1964 | GvAV(defgv) = (AV*)SvREFCNT_inc(av); |
a0d0e21e LW |
1965 | ++MARK; |
1966 | ||
1967 | if (items > AvMAX(av) + 1) { | |
1968 | ary = AvALLOC(av); | |
1969 | if (AvARRAY(av) != ary) { | |
1970 | AvMAX(av) += AvARRAY(av) - AvALLOC(av); | |
1971 | SvPVX(av) = (char*)ary; | |
1972 | } | |
1973 | if (items > AvMAX(av) + 1) { | |
1974 | AvMAX(av) = items - 1; | |
1975 | Renew(ary,items,SV*); | |
1976 | AvALLOC(av) = ary; | |
1977 | SvPVX(av) = (char*)ary; | |
1978 | } | |
1979 | } | |
1980 | Copy(MARK,AvARRAY(av),items,SV*); | |
1981 | AvFILL(av) = items - 1; | |
1982 | ||
1983 | while (items--) { | |
1984 | if (*MARK) | |
1985 | SvTEMP_off(*MARK); | |
1986 | MARK++; | |
1987 | } | |
1988 | } | |
1989 | RETURNOP(CvSTART(cv)); | |
1990 | } | |
1991 | } | |
1992 | ||
44a8e56a | 1993 | void |
1994 | sub_crush_depth(cv) | |
1995 | CV* cv; | |
1996 | { | |
1997 | if (CvANON(cv)) | |
1998 | warn("Deep recursion on anonymous subroutine"); | |
1999 | else { | |
2000 | SV* tmpstr = sv_newmortal(); | |
2001 | gv_efullname3(tmpstr, CvGV(cv), Nullch); | |
2002 | warn("Deep recursion on subroutine \"%s\"", SvPVX(tmpstr)); | |
2003 | } | |
2004 | } | |
2005 | ||
a0d0e21e LW |
2006 | PP(pp_aelem) |
2007 | { | |
2008 | dSP; | |
2009 | SV** svp; | |
748a9306 | 2010 | I32 elem = POPi; |
68dc0745 | 2011 | AV* av = (AV*)POPs; |
2012 | U32 lval = op->op_flags & OPf_MOD; | |
2013 | U32 defer = (op->op_private & OPpLVAL_DEFER) && (elem > AvFILL(av)); | |
a0d0e21e | 2014 | |
748a9306 LW |
2015 | if (elem > 0) |
2016 | elem -= curcop->cop_arybase; | |
a0d0e21e LW |
2017 | if (SvTYPE(av) != SVt_PVAV) |
2018 | RETPUSHUNDEF; | |
68dc0745 | 2019 | svp = av_fetch(av, elem, lval && !defer); |
a0d0e21e | 2020 | if (lval) { |
68dc0745 | 2021 | if (!svp || *svp == &sv_undef) { |
2022 | SV* lv; | |
2023 | if (!defer) | |
2024 | DIE(no_aelem, elem); | |
2025 | lv = sv_newmortal(); | |
2026 | sv_upgrade(lv, SVt_PVLV); | |
2027 | LvTYPE(lv) = 'y'; | |
2028 | sv_magic(lv, Nullsv, 'y', Nullch, 0); | |
2029 | LvTARG(lv) = SvREFCNT_inc(av); | |
2030 | LvTARGOFF(lv) = elem; | |
2031 | LvTARGLEN(lv) = 1; | |
2032 | PUSHs(lv); | |
2033 | RETURN; | |
2034 | } | |
a0d0e21e LW |
2035 | if (op->op_private & OPpLVAL_INTRO) |
2036 | save_svref(svp); | |
5f05dabc | 2037 | else if (op->op_private & OPpDEREF) |
68dc0745 | 2038 | vivify_ref(*svp, op->op_private & OPpDEREF); |
a0d0e21e LW |
2039 | } |
2040 | PUSHs(svp ? *svp : &sv_undef); | |
2041 | RETURN; | |
2042 | } | |
2043 | ||
02a9e968 | 2044 | void |
68dc0745 | 2045 | vivify_ref(sv, to_what) |
02a9e968 | 2046 | SV* sv; |
68dc0745 | 2047 | U32 to_what; |
02a9e968 CS |
2048 | { |
2049 | if (SvGMAGICAL(sv)) | |
2050 | mg_get(sv); | |
2051 | if (!SvOK(sv)) { | |
2052 | if (SvREADONLY(sv)) | |
2053 | croak(no_modify); | |
5f05dabc | 2054 | if (SvTYPE(sv) < SVt_RV) |
2055 | sv_upgrade(sv, SVt_RV); | |
2056 | else if (SvTYPE(sv) >= SVt_PV) { | |
2057 | (void)SvOOK_off(sv); | |
2058 | Safefree(SvPVX(sv)); | |
2059 | SvLEN(sv) = SvCUR(sv) = 0; | |
2060 | } | |
68dc0745 | 2061 | switch (to_what) { |
5f05dabc | 2062 | case OPpDEREF_SV: |
2063 | SvRV(sv) = newSV(0); | |
2064 | break; | |
2065 | case OPpDEREF_AV: | |
2066 | SvRV(sv) = (SV*)newAV(); | |
2067 | break; | |
2068 | case OPpDEREF_HV: | |
2069 | SvRV(sv) = (SV*)newHV(); | |
2070 | break; | |
2071 | } | |
02a9e968 CS |
2072 | SvROK_on(sv); |
2073 | SvSETMAGIC(sv); | |
2074 | } | |
2075 | } | |
2076 | ||
a0d0e21e LW |
2077 | PP(pp_method) |
2078 | { | |
2079 | dSP; | |
2080 | SV* sv; | |
2081 | SV* ob; | |
2082 | GV* gv; | |
56304f61 CS |
2083 | HV* stash; |
2084 | char* name; | |
ac91690f CS |
2085 | char* packname; |
2086 | STRLEN packlen; | |
a0d0e21e | 2087 | |
56304f61 | 2088 | name = SvPV(TOPs, na); |
a0d0e21e | 2089 | sv = *(stack_base + TOPMARK + 1); |
56304f61 | 2090 | |
16d20bd9 AD |
2091 | if (SvGMAGICAL(sv)) |
2092 | mg_get(sv); | |
a0d0e21e | 2093 | if (SvROK(sv)) |
16d20bd9 | 2094 | ob = (SV*)SvRV(sv); |
a0d0e21e LW |
2095 | else { |
2096 | GV* iogv; | |
a0d0e21e | 2097 | |
56304f61 | 2098 | packname = Nullch; |
a0d0e21e | 2099 | if (!SvOK(sv) || |
56304f61 CS |
2100 | !(packname = SvPV(sv, packlen)) || |
2101 | !(iogv = gv_fetchpv(packname, FALSE, SVt_PVIO)) || | |
2102 | !(ob=(SV*)GvIO(iogv))) | |
a0d0e21e | 2103 | { |
56304f61 | 2104 | if (!packname || !isIDFIRST(*packname)) |
ac91690f | 2105 | DIE("Can't call method \"%s\" without a package or object reference", name); |
56304f61 | 2106 | stash = gv_stashpvn(packname, packlen, TRUE); |
ac91690f | 2107 | goto fetch; |
a0d0e21e | 2108 | } |
ac91690f | 2109 | *(stack_base + TOPMARK + 1) = sv_2mortal(newRV((SV*)iogv)); |
a0d0e21e LW |
2110 | } |
2111 | ||
ac91690f | 2112 | if (!ob || !SvOBJECT(ob)) |
56304f61 CS |
2113 | DIE("Can't call method \"%s\" on unblessed reference", name); |
2114 | ||
2115 | stash = SvSTASH(ob); | |
a0d0e21e | 2116 | |
ac91690f | 2117 | fetch: |
ac91690f | 2118 | gv = gv_fetchmethod(stash, name); |
56304f61 CS |
2119 | if (!gv) { |
2120 | char* leaf = name; | |
2121 | char* sep = Nullch; | |
2122 | char* p; | |
2123 | ||
2124 | for (p = name; *p; p++) { | |
2125 | if (*p == '\'') | |
2126 | sep = p, leaf = p + 1; | |
2127 | else if (*p == ':' && *(p + 1) == ':') | |
2128 | sep = p, leaf = p + 2; | |
2129 | } | |
2130 | if (!sep || ((sep - name) == 5 && strnEQ(name, "SUPER", 5))) { | |
2131 | packname = HvNAME(sep ? curcop->cop_stash : stash); | |
2132 | packlen = strlen(packname); | |
2133 | } | |
2134 | else { | |
2135 | packname = name; | |
2136 | packlen = sep - name; | |
2137 | } | |
2138 | DIE("Can't locate object method \"%s\" via package \"%.*s\"", | |
2139 | leaf, (int)packlen, packname); | |
2140 | } | |
8ebc5c01 | 2141 | SETs(isGV(gv) ? (SV*)GvCV(gv) : (SV*)gv); |
a0d0e21e LW |
2142 | RETURN; |
2143 | } |