Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* pp_ctl.c |
2 | * | |
4eb8286e | 3 | * Copyright (c) 1991-1999, 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" | |
864dbfa3 | 20 | #define PERL_IN_PP_CTL_C |
a0d0e21e LW |
21 | #include "perl.h" |
22 | ||
23 | #ifndef WORD_ALIGN | |
24 | #define WORD_ALIGN sizeof(U16) | |
25 | #endif | |
26 | ||
54310121 | 27 | #define DOCATCH(o) ((CATCH_GET == TRUE) ? docatch(o) : (o)) |
1e422769 | 28 | |
51371543 GS |
29 | static I32 sortcv(pTHXo_ SV *a, SV *b); |
30 | static I32 sv_ncmp(pTHXo_ SV *a, SV *b); | |
31 | static I32 sv_i_ncmp(pTHXo_ SV *a, SV *b); | |
32 | static I32 amagic_ncmp(pTHXo_ SV *a, SV *b); | |
33 | static I32 amagic_i_ncmp(pTHXo_ SV *a, SV *b); | |
34 | static I32 amagic_cmp(pTHXo_ SV *a, SV *b); | |
35 | static I32 amagic_cmp_locale(pTHXo_ SV *a, SV *b); | |
bbed91b5 KF |
36 | static I32 run_user_filter(pTHXo_ int idx, SV *buf_sv, int maxlen); |
37 | ||
e7513ba0 | 38 | #ifdef PERL_OBJECT |
51371543 GS |
39 | static I32 sv_cmp_static(pTHXo_ SV *a, SV *b); |
40 | static I32 sv_cmp_locale_static(pTHXo_ SV *a, SV *b); | |
e7513ba0 GS |
41 | #else |
42 | #define sv_cmp_static Perl_sv_cmp | |
43 | #define sv_cmp_locale_static Perl_sv_cmp_locale | |
44 | #endif | |
51371543 | 45 | |
a0d0e21e LW |
46 | PP(pp_wantarray) |
47 | { | |
4e35701f | 48 | djSP; |
a0d0e21e LW |
49 | I32 cxix; |
50 | EXTEND(SP, 1); | |
51 | ||
52 | cxix = dopoptosub(cxstack_ix); | |
53 | if (cxix < 0) | |
54 | RETPUSHUNDEF; | |
55 | ||
54310121 | 56 | switch (cxstack[cxix].blk_gimme) { |
57 | case G_ARRAY: | |
a0d0e21e | 58 | RETPUSHYES; |
54310121 | 59 | case G_SCALAR: |
a0d0e21e | 60 | RETPUSHNO; |
54310121 | 61 | default: |
62 | RETPUSHUNDEF; | |
63 | } | |
a0d0e21e LW |
64 | } |
65 | ||
66 | PP(pp_regcmaybe) | |
67 | { | |
68 | return NORMAL; | |
69 | } | |
70 | ||
2cd61cdb IZ |
71 | PP(pp_regcreset) |
72 | { | |
73 | /* XXXX Should store the old value to allow for tie/overload - and | |
74 | restore in regcomp, where marked with XXXX. */ | |
3280af22 | 75 | PL_reginterp_cnt = 0; |
2cd61cdb IZ |
76 | return NORMAL; |
77 | } | |
78 | ||
b3eb6a9b GS |
79 | PP(pp_regcomp) |
80 | { | |
4e35701f | 81 | djSP; |
a0d0e21e LW |
82 | register PMOP *pm = (PMOP*)cLOGOP->op_other; |
83 | register char *t; | |
84 | SV *tmpstr; | |
85 | STRLEN len; | |
c277df42 | 86 | MAGIC *mg = Null(MAGIC*); |
a0d0e21e LW |
87 | |
88 | tmpstr = POPs; | |
b3eb6a9b | 89 | if (SvROK(tmpstr)) { |
227a8b4b | 90 | SV *sv = SvRV(tmpstr); |
c277df42 IZ |
91 | if(SvMAGICAL(sv)) |
92 | mg = mg_find(sv, 'r'); | |
93 | } | |
b3eb6a9b | 94 | if (mg) { |
c277df42 IZ |
95 | regexp *re = (regexp *)mg->mg_obj; |
96 | ReREFCNT_dec(pm->op_pmregexp); | |
97 | pm->op_pmregexp = ReREFCNT_inc(re); | |
98 | } | |
99 | else { | |
100 | t = SvPV(tmpstr, len); | |
101 | ||
20408e3c | 102 | /* Check against the last compiled regexp. */ |
85aff577 | 103 | if (!pm->op_pmregexp || !pm->op_pmregexp->precomp || |
20408e3c GS |
104 | pm->op_pmregexp->prelen != len || |
105 | memNE(pm->op_pmregexp->precomp, t, len)) | |
85aff577 | 106 | { |
c277df42 IZ |
107 | if (pm->op_pmregexp) { |
108 | ReREFCNT_dec(pm->op_pmregexp); | |
109 | pm->op_pmregexp = Null(REGEXP*); /* crucial if regcomp aborts */ | |
110 | } | |
533c011a | 111 | if (PL_op->op_flags & OPf_SPECIAL) |
3280af22 | 112 | PL_reginterp_cnt = I32_MAX; /* Mark as safe. */ |
a0d0e21e | 113 | |
c277df42 | 114 | pm->op_pmflags = pm->op_pmpermflags; /* reset case sensitivity */ |
cea2e8a9 | 115 | pm->op_pmregexp = CALLREGCOMP(aTHX_ t, t + len, pm); |
3280af22 | 116 | PL_reginterp_cnt = 0; /* XXXX Be extra paranoid - needed |
2cd61cdb | 117 | inside tie/overload accessors. */ |
c277df42 | 118 | } |
4633a7c4 | 119 | } |
a0d0e21e | 120 | |
72311751 | 121 | #ifndef INCOMPLETE_TAINTS |
3280af22 NIS |
122 | if (PL_tainting) { |
123 | if (PL_tainted) | |
72311751 GS |
124 | pm->op_pmdynflags |= PMdf_TAINTED; |
125 | else | |
126 | pm->op_pmdynflags &= ~PMdf_TAINTED; | |
127 | } | |
128 | #endif | |
129 | ||
3280af22 NIS |
130 | if (!pm->op_pmregexp->prelen && PL_curpm) |
131 | pm = PL_curpm; | |
a0d0e21e LW |
132 | else if (strEQ("\\s+", pm->op_pmregexp->precomp)) |
133 | pm->op_pmflags |= PMf_WHITE; | |
134 | ||
135 | if (pm->op_pmflags & PMf_KEEP) { | |
c90c0ff4 | 136 | pm->op_private &= ~OPpRUNTIME; /* no point compiling again */ |
533c011a | 137 | cLOGOP->op_first->op_next = PL_op->op_next; |
a0d0e21e LW |
138 | } |
139 | RETURN; | |
140 | } | |
141 | ||
142 | PP(pp_substcont) | |
143 | { | |
4e35701f | 144 | djSP; |
a0d0e21e | 145 | register PMOP *pm = (PMOP*) cLOGOP->op_other; |
c09156bb | 146 | register PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
a0d0e21e LW |
147 | register SV *dstr = cx->sb_dstr; |
148 | register char *s = cx->sb_s; | |
149 | register char *m = cx->sb_m; | |
150 | char *orig = cx->sb_orig; | |
d9f97599 | 151 | register REGEXP *rx = cx->sb_rx; |
a0d0e21e | 152 | |
d9f97599 | 153 | rxres_restore(&cx->sb_rxres, rx); |
c90c0ff4 | 154 | |
a0d0e21e LW |
155 | if (cx->sb_iters++) { |
156 | if (cx->sb_iters > cx->sb_maxiters) | |
cea2e8a9 | 157 | DIE(aTHX_ "Substitution loop"); |
a0d0e21e | 158 | |
48c036b1 GS |
159 | if (!(cx->sb_rxtainted & 2) && SvTAINTED(TOPs)) |
160 | cx->sb_rxtainted |= 2; | |
a0d0e21e | 161 | sv_catsv(dstr, POPs); |
a0d0e21e LW |
162 | |
163 | /* Are we done */ | |
cea2e8a9 | 164 | if (cx->sb_once || !CALLREGEXEC(aTHX_ rx, s, cx->sb_strend, orig, |
9661b544 | 165 | s == m, cx->sb_targ, NULL, |
22e551b9 | 166 | ((cx->sb_rflags & REXEC_COPY_STR) |
cf93c79d IZ |
167 | ? (REXEC_IGNOREPOS|REXEC_NOT_FIRST) |
168 | : (REXEC_COPY_STR|REXEC_IGNOREPOS|REXEC_NOT_FIRST)))) | |
a0d0e21e LW |
169 | { |
170 | SV *targ = cx->sb_targ; | |
171 | sv_catpvn(dstr, s, cx->sb_strend - s); | |
748a9306 | 172 | |
48c036b1 | 173 | cx->sb_rxtainted |= RX_MATCH_TAINTED(rx); |
9212bbba | 174 | |
4633a7c4 | 175 | (void)SvOOK_off(targ); |
cb0b1708 | 176 | Safefree(SvPVX(targ)); |
748a9306 LW |
177 | SvPVX(targ) = SvPVX(dstr); |
178 | SvCUR_set(targ, SvCUR(dstr)); | |
179 | SvLEN_set(targ, SvLEN(dstr)); | |
180 | SvPVX(dstr) = 0; | |
181 | sv_free(dstr); | |
48c036b1 GS |
182 | |
183 | TAINT_IF(cx->sb_rxtainted & 1); | |
184 | PUSHs(sv_2mortal(newSViv((I32)cx->sb_iters - 1))); | |
185 | ||
a0d0e21e | 186 | (void)SvPOK_only(targ); |
48c036b1 | 187 | TAINT_IF(cx->sb_rxtainted); |
a0d0e21e | 188 | SvSETMAGIC(targ); |
9212bbba | 189 | SvTAINT(targ); |
5cd24f17 | 190 | |
4633a7c4 | 191 | LEAVE_SCOPE(cx->sb_oldsave); |
a0d0e21e LW |
192 | POPSUBST(cx); |
193 | RETURNOP(pm->op_next); | |
194 | } | |
195 | } | |
cf93c79d | 196 | if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) { |
a0d0e21e LW |
197 | m = s; |
198 | s = orig; | |
cf93c79d | 199 | cx->sb_orig = orig = rx->subbeg; |
a0d0e21e LW |
200 | s = orig + (m - s); |
201 | cx->sb_strend = s + (cx->sb_strend - m); | |
202 | } | |
cf93c79d | 203 | cx->sb_m = m = rx->startp[0] + orig; |
a0d0e21e | 204 | sv_catpvn(dstr, s, m-s); |
cf93c79d | 205 | cx->sb_s = rx->endp[0] + orig; |
d9f97599 GS |
206 | cx->sb_rxtainted |= RX_MATCH_TAINTED(rx); |
207 | rxres_save(&cx->sb_rxres, rx); | |
a0d0e21e LW |
208 | RETURNOP(pm->op_pmreplstart); |
209 | } | |
210 | ||
c90c0ff4 | 211 | void |
864dbfa3 | 212 | Perl_rxres_save(pTHX_ void **rsp, REGEXP *rx) |
c90c0ff4 | 213 | { |
214 | UV *p = (UV*)*rsp; | |
215 | U32 i; | |
216 | ||
d9f97599 GS |
217 | if (!p || p[1] < rx->nparens) { |
218 | i = 6 + rx->nparens * 2; | |
c90c0ff4 | 219 | if (!p) |
220 | New(501, p, i, UV); | |
221 | else | |
222 | Renew(p, i, UV); | |
223 | *rsp = (void*)p; | |
224 | } | |
225 | ||
56431972 | 226 | *p++ = PTR2UV(RX_MATCH_COPIED(rx) ? rx->subbeg : Nullch); |
cf93c79d | 227 | RX_MATCH_COPIED_off(rx); |
c90c0ff4 | 228 | |
d9f97599 | 229 | *p++ = rx->nparens; |
c90c0ff4 | 230 | |
56431972 | 231 | *p++ = PTR2UV(rx->subbeg); |
cf93c79d | 232 | *p++ = (UV)rx->sublen; |
d9f97599 GS |
233 | for (i = 0; i <= rx->nparens; ++i) { |
234 | *p++ = (UV)rx->startp[i]; | |
235 | *p++ = (UV)rx->endp[i]; | |
c90c0ff4 | 236 | } |
237 | } | |
238 | ||
239 | void | |
864dbfa3 | 240 | Perl_rxres_restore(pTHX_ void **rsp, REGEXP *rx) |
c90c0ff4 | 241 | { |
242 | UV *p = (UV*)*rsp; | |
243 | U32 i; | |
244 | ||
cf93c79d IZ |
245 | if (RX_MATCH_COPIED(rx)) |
246 | Safefree(rx->subbeg); | |
247 | RX_MATCH_COPIED_set(rx, *p); | |
c90c0ff4 | 248 | *p++ = 0; |
249 | ||
d9f97599 | 250 | rx->nparens = *p++; |
c90c0ff4 | 251 | |
56431972 | 252 | rx->subbeg = INT2PTR(char*,*p++); |
cf93c79d | 253 | rx->sublen = (I32)(*p++); |
d9f97599 | 254 | for (i = 0; i <= rx->nparens; ++i) { |
cf93c79d IZ |
255 | rx->startp[i] = (I32)(*p++); |
256 | rx->endp[i] = (I32)(*p++); | |
c90c0ff4 | 257 | } |
258 | } | |
259 | ||
260 | void | |
864dbfa3 | 261 | Perl_rxres_free(pTHX_ void **rsp) |
c90c0ff4 | 262 | { |
263 | UV *p = (UV*)*rsp; | |
264 | ||
265 | if (p) { | |
56431972 | 266 | Safefree(INT2PTR(char*,*p)); |
c90c0ff4 | 267 | Safefree(p); |
268 | *rsp = Null(void*); | |
269 | } | |
270 | } | |
271 | ||
a0d0e21e LW |
272 | PP(pp_formline) |
273 | { | |
4e35701f | 274 | djSP; dMARK; dORIGMARK; |
76e3520e | 275 | register SV *tmpForm = *++MARK; |
a0d0e21e LW |
276 | register U16 *fpc; |
277 | register char *t; | |
278 | register char *f; | |
279 | register char *s; | |
280 | register char *send; | |
281 | register I32 arg; | |
282 | register SV *sv; | |
283 | char *item; | |
284 | I32 itemsize; | |
285 | I32 fieldsize; | |
286 | I32 lines = 0; | |
3280af22 | 287 | bool chopspace = (strchr(PL_chopset, ' ') != Nullch); |
a0d0e21e LW |
288 | char *chophere; |
289 | char *linemark; | |
65202027 | 290 | NV value; |
a0d0e21e LW |
291 | bool gotsome; |
292 | STRLEN len; | |
a0ed51b3 | 293 | STRLEN fudge = SvCUR(tmpForm) * (IN_UTF8 ? 3 : 1) + 1; |
a0d0e21e | 294 | |
76e3520e GS |
295 | if (!SvMAGICAL(tmpForm) || !SvCOMPILED(tmpForm)) { |
296 | SvREADONLY_off(tmpForm); | |
297 | doparseform(tmpForm); | |
a0d0e21e LW |
298 | } |
299 | ||
3280af22 | 300 | SvPV_force(PL_formtarget, len); |
a0ed51b3 | 301 | t = SvGROW(PL_formtarget, len + fudge + 1); /* XXX SvCUR bad */ |
a0d0e21e | 302 | t += len; |
76e3520e | 303 | f = SvPV(tmpForm, len); |
a0d0e21e | 304 | /* need to jump to the next word */ |
76e3520e | 305 | s = f + len + WORD_ALIGN - SvCUR(tmpForm) % WORD_ALIGN; |
a0d0e21e LW |
306 | |
307 | fpc = (U16*)s; | |
308 | ||
309 | for (;;) { | |
310 | DEBUG_f( { | |
311 | char *name = "???"; | |
312 | arg = -1; | |
313 | switch (*fpc) { | |
314 | case FF_LITERAL: arg = fpc[1]; name = "LITERAL"; break; | |
315 | case FF_BLANK: arg = fpc[1]; name = "BLANK"; break; | |
316 | case FF_SKIP: arg = fpc[1]; name = "SKIP"; break; | |
317 | case FF_FETCH: arg = fpc[1]; name = "FETCH"; break; | |
318 | case FF_DECIMAL: arg = fpc[1]; name = "DECIMAL"; break; | |
319 | ||
320 | case FF_CHECKNL: name = "CHECKNL"; break; | |
321 | case FF_CHECKCHOP: name = "CHECKCHOP"; break; | |
322 | case FF_SPACE: name = "SPACE"; break; | |
323 | case FF_HALFSPACE: name = "HALFSPACE"; break; | |
324 | case FF_ITEM: name = "ITEM"; break; | |
325 | case FF_CHOP: name = "CHOP"; break; | |
326 | case FF_LINEGLOB: name = "LINEGLOB"; break; | |
327 | case FF_NEWLINE: name = "NEWLINE"; break; | |
328 | case FF_MORE: name = "MORE"; break; | |
329 | case FF_LINEMARK: name = "LINEMARK"; break; | |
330 | case FF_END: name = "END"; break; | |
331 | } | |
332 | if (arg >= 0) | |
bf49b057 | 333 | PerlIO_printf(Perl_debug_log, "%-16s%ld\n", name, (long) arg); |
a0d0e21e | 334 | else |
bf49b057 | 335 | PerlIO_printf(Perl_debug_log, "%-16s\n", name); |
a0d0e21e LW |
336 | } ) |
337 | switch (*fpc++) { | |
338 | case FF_LINEMARK: | |
339 | linemark = t; | |
a0d0e21e LW |
340 | lines++; |
341 | gotsome = FALSE; | |
342 | break; | |
343 | ||
344 | case FF_LITERAL: | |
345 | arg = *fpc++; | |
346 | while (arg--) | |
347 | *t++ = *f++; | |
348 | break; | |
349 | ||
350 | case FF_SKIP: | |
351 | f += *fpc++; | |
352 | break; | |
353 | ||
354 | case FF_FETCH: | |
355 | arg = *fpc++; | |
356 | f += arg; | |
357 | fieldsize = arg; | |
358 | ||
359 | if (MARK < SP) | |
360 | sv = *++MARK; | |
361 | else { | |
3280af22 | 362 | sv = &PL_sv_no; |
599cee73 | 363 | if (ckWARN(WARN_SYNTAX)) |
cea2e8a9 | 364 | Perl_warner(aTHX_ WARN_SYNTAX, "Not enough format arguments"); |
a0d0e21e LW |
365 | } |
366 | break; | |
367 | ||
368 | case FF_CHECKNL: | |
369 | item = s = SvPV(sv, len); | |
370 | itemsize = len; | |
a0ed51b3 LW |
371 | if (IN_UTF8) { |
372 | itemsize = sv_len_utf8(sv); | |
373 | if (itemsize != len) { | |
374 | I32 itembytes; | |
375 | if (itemsize > fieldsize) { | |
376 | itemsize = fieldsize; | |
377 | itembytes = itemsize; | |
378 | sv_pos_u2b(sv, &itembytes, 0); | |
379 | } | |
380 | else | |
381 | itembytes = len; | |
382 | send = chophere = s + itembytes; | |
383 | while (s < send) { | |
384 | if (*s & ~31) | |
385 | gotsome = TRUE; | |
386 | else if (*s == '\n') | |
387 | break; | |
388 | s++; | |
389 | } | |
390 | itemsize = s - item; | |
391 | sv_pos_b2u(sv, &itemsize); | |
392 | break; | |
393 | } | |
394 | } | |
a0d0e21e LW |
395 | if (itemsize > fieldsize) |
396 | itemsize = fieldsize; | |
397 | send = chophere = s + itemsize; | |
398 | while (s < send) { | |
399 | if (*s & ~31) | |
400 | gotsome = TRUE; | |
401 | else if (*s == '\n') | |
402 | break; | |
403 | s++; | |
404 | } | |
405 | itemsize = s - item; | |
406 | break; | |
407 | ||
408 | case FF_CHECKCHOP: | |
409 | item = s = SvPV(sv, len); | |
410 | itemsize = len; | |
a0ed51b3 LW |
411 | if (IN_UTF8) { |
412 | itemsize = sv_len_utf8(sv); | |
413 | if (itemsize != len) { | |
414 | I32 itembytes; | |
415 | if (itemsize <= fieldsize) { | |
416 | send = chophere = s + itemsize; | |
417 | while (s < send) { | |
418 | if (*s == '\r') { | |
419 | itemsize = s - item; | |
420 | break; | |
421 | } | |
422 | if (*s++ & ~31) | |
423 | gotsome = TRUE; | |
424 | } | |
425 | } | |
426 | else { | |
427 | itemsize = fieldsize; | |
428 | itembytes = itemsize; | |
429 | sv_pos_u2b(sv, &itembytes, 0); | |
430 | send = chophere = s + itembytes; | |
431 | while (s < send || (s == send && isSPACE(*s))) { | |
432 | if (isSPACE(*s)) { | |
433 | if (chopspace) | |
434 | chophere = s; | |
435 | if (*s == '\r') | |
436 | break; | |
437 | } | |
438 | else { | |
439 | if (*s & ~31) | |
440 | gotsome = TRUE; | |
441 | if (strchr(PL_chopset, *s)) | |
442 | chophere = s + 1; | |
443 | } | |
444 | s++; | |
445 | } | |
446 | itemsize = chophere - item; | |
447 | sv_pos_b2u(sv, &itemsize); | |
448 | } | |
449 | break; | |
450 | } | |
451 | } | |
a0d0e21e LW |
452 | if (itemsize <= fieldsize) { |
453 | send = chophere = s + itemsize; | |
454 | while (s < send) { | |
455 | if (*s == '\r') { | |
456 | itemsize = s - item; | |
457 | break; | |
458 | } | |
459 | if (*s++ & ~31) | |
460 | gotsome = TRUE; | |
461 | } | |
462 | } | |
463 | else { | |
464 | itemsize = fieldsize; | |
465 | send = chophere = s + itemsize; | |
466 | while (s < send || (s == send && isSPACE(*s))) { | |
467 | if (isSPACE(*s)) { | |
468 | if (chopspace) | |
469 | chophere = s; | |
470 | if (*s == '\r') | |
471 | break; | |
472 | } | |
473 | else { | |
474 | if (*s & ~31) | |
475 | gotsome = TRUE; | |
3280af22 | 476 | if (strchr(PL_chopset, *s)) |
a0d0e21e LW |
477 | chophere = s + 1; |
478 | } | |
479 | s++; | |
480 | } | |
481 | itemsize = chophere - item; | |
482 | } | |
483 | break; | |
484 | ||
485 | case FF_SPACE: | |
486 | arg = fieldsize - itemsize; | |
487 | if (arg) { | |
488 | fieldsize -= arg; | |
489 | while (arg-- > 0) | |
490 | *t++ = ' '; | |
491 | } | |
492 | break; | |
493 | ||
494 | case FF_HALFSPACE: | |
495 | arg = fieldsize - itemsize; | |
496 | if (arg) { | |
497 | arg /= 2; | |
498 | fieldsize -= arg; | |
499 | while (arg-- > 0) | |
500 | *t++ = ' '; | |
501 | } | |
502 | break; | |
503 | ||
504 | case FF_ITEM: | |
505 | arg = itemsize; | |
506 | s = item; | |
a0ed51b3 LW |
507 | if (IN_UTF8) { |
508 | while (arg--) { | |
509 | if (*s & 0x80) { | |
510 | switch (UTF8SKIP(s)) { | |
511 | case 7: *t++ = *s++; | |
512 | case 6: *t++ = *s++; | |
513 | case 5: *t++ = *s++; | |
514 | case 4: *t++ = *s++; | |
515 | case 3: *t++ = *s++; | |
516 | case 2: *t++ = *s++; | |
517 | case 1: *t++ = *s++; | |
518 | } | |
519 | } | |
520 | else { | |
521 | if ( !((*t++ = *s++) & ~31) ) | |
522 | t[-1] = ' '; | |
523 | } | |
524 | } | |
525 | break; | |
526 | } | |
a0d0e21e | 527 | while (arg--) { |
9d116dd7 | 528 | #ifdef EBCDIC |
a0d0e21e | 529 | int ch = *t++ = *s++; |
9d116dd7 | 530 | if (iscntrl(ch)) |
a0d0e21e LW |
531 | #else |
532 | if ( !((*t++ = *s++) & ~31) ) | |
a0d0e21e | 533 | #endif |
9d116dd7 | 534 | t[-1] = ' '; |
a0d0e21e LW |
535 | } |
536 | break; | |
537 | ||
538 | case FF_CHOP: | |
539 | s = chophere; | |
540 | if (chopspace) { | |
541 | while (*s && isSPACE(*s)) | |
542 | s++; | |
543 | } | |
544 | sv_chop(sv,s); | |
545 | break; | |
546 | ||
547 | case FF_LINEGLOB: | |
548 | item = s = SvPV(sv, len); | |
549 | itemsize = len; | |
550 | if (itemsize) { | |
551 | gotsome = TRUE; | |
552 | send = s + itemsize; | |
553 | while (s < send) { | |
554 | if (*s++ == '\n') { | |
555 | if (s == send) | |
556 | itemsize--; | |
557 | else | |
558 | lines++; | |
559 | } | |
560 | } | |
3280af22 NIS |
561 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); |
562 | sv_catpvn(PL_formtarget, item, itemsize); | |
a0ed51b3 | 563 | SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1); |
3280af22 | 564 | t = SvPVX(PL_formtarget) + SvCUR(PL_formtarget); |
a0d0e21e LW |
565 | } |
566 | break; | |
567 | ||
568 | case FF_DECIMAL: | |
569 | /* If the field is marked with ^ and the value is undefined, | |
570 | blank it out. */ | |
571 | arg = *fpc++; | |
572 | if ((arg & 512) && !SvOK(sv)) { | |
573 | arg = fieldsize; | |
574 | while (arg--) | |
575 | *t++ = ' '; | |
576 | break; | |
577 | } | |
578 | gotsome = TRUE; | |
579 | value = SvNV(sv); | |
bbce6d69 | 580 | /* Formats aren't yet marked for locales, so assume "yes". */ |
097ee67d JH |
581 | { |
582 | RESTORE_NUMERIC_LOCAL(); | |
65202027 DS |
583 | #if defined(USE_LONG_DOUBLE) |
584 | if (arg & 256) { | |
cf2093f6 | 585 | sprintf(t, "%#*.*" PERL_PRIfldbl, |
65202027 DS |
586 | (int) fieldsize, (int) arg & 255, value); |
587 | } else { | |
cf2093f6 | 588 | sprintf(t, "%*.0" PERL_PRIfldbl, (int) fieldsize, value); |
65202027 DS |
589 | } |
590 | #else | |
097ee67d JH |
591 | if (arg & 256) { |
592 | sprintf(t, "%#*.*f", | |
593 | (int) fieldsize, (int) arg & 255, value); | |
594 | } else { | |
595 | sprintf(t, "%*.0f", | |
596 | (int) fieldsize, value); | |
597 | } | |
65202027 | 598 | #endif |
097ee67d | 599 | RESTORE_NUMERIC_STANDARD(); |
a0d0e21e LW |
600 | } |
601 | t += fieldsize; | |
602 | break; | |
603 | ||
604 | case FF_NEWLINE: | |
605 | f++; | |
606 | while (t-- > linemark && *t == ' ') ; | |
607 | t++; | |
608 | *t++ = '\n'; | |
609 | break; | |
610 | ||
611 | case FF_BLANK: | |
612 | arg = *fpc++; | |
613 | if (gotsome) { | |
614 | if (arg) { /* repeat until fields exhausted? */ | |
615 | *t = '\0'; | |
3280af22 NIS |
616 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); |
617 | lines += FmLINES(PL_formtarget); | |
a0d0e21e LW |
618 | if (lines == 200) { |
619 | arg = t - linemark; | |
620 | if (strnEQ(linemark, linemark - arg, arg)) | |
cea2e8a9 | 621 | DIE(aTHX_ "Runaway format"); |
a0d0e21e | 622 | } |
3280af22 | 623 | FmLINES(PL_formtarget) = lines; |
a0d0e21e LW |
624 | SP = ORIGMARK; |
625 | RETURNOP(cLISTOP->op_first); | |
626 | } | |
627 | } | |
628 | else { | |
629 | t = linemark; | |
630 | lines--; | |
631 | } | |
632 | break; | |
633 | ||
634 | case FF_MORE: | |
7056ecde KM |
635 | s = chophere; |
636 | send = item + len; | |
637 | if (chopspace) { | |
638 | while (*s && isSPACE(*s) && s < send) | |
639 | s++; | |
640 | } | |
641 | if (s < send) { | |
a0d0e21e LW |
642 | arg = fieldsize - itemsize; |
643 | if (arg) { | |
644 | fieldsize -= arg; | |
645 | while (arg-- > 0) | |
646 | *t++ = ' '; | |
647 | } | |
648 | s = t - 3; | |
649 | if (strnEQ(s," ",3)) { | |
3280af22 | 650 | while (s > SvPVX(PL_formtarget) && isSPACE(s[-1])) |
a0d0e21e LW |
651 | s--; |
652 | } | |
653 | *s++ = '.'; | |
654 | *s++ = '.'; | |
655 | *s++ = '.'; | |
656 | } | |
657 | break; | |
658 | ||
659 | case FF_END: | |
660 | *t = '\0'; | |
3280af22 NIS |
661 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); |
662 | FmLINES(PL_formtarget) += lines; | |
a0d0e21e LW |
663 | SP = ORIGMARK; |
664 | RETPUSHYES; | |
665 | } | |
666 | } | |
667 | } | |
668 | ||
669 | PP(pp_grepstart) | |
670 | { | |
4e35701f | 671 | djSP; |
a0d0e21e LW |
672 | SV *src; |
673 | ||
3280af22 | 674 | if (PL_stack_base + *PL_markstack_ptr == SP) { |
a0d0e21e | 675 | (void)POPMARK; |
54310121 | 676 | if (GIMME_V == G_SCALAR) |
0b024f31 | 677 | XPUSHs(sv_2mortal(newSViv(0))); |
533c011a | 678 | RETURNOP(PL_op->op_next->op_next); |
a0d0e21e | 679 | } |
3280af22 | 680 | PL_stack_sp = PL_stack_base + *PL_markstack_ptr + 1; |
cea2e8a9 GS |
681 | pp_pushmark(); /* push dst */ |
682 | pp_pushmark(); /* push src */ | |
a0d0e21e LW |
683 | ENTER; /* enter outer scope */ |
684 | ||
685 | SAVETMPS; | |
127ad2b7 GS |
686 | /* SAVE_DEFSV does *not* suffice here for USE_THREADS */ |
687 | SAVESPTR(DEFSV); | |
a0d0e21e | 688 | ENTER; /* enter inner scope */ |
7766f137 | 689 | SAVEVPTR(PL_curpm); |
a0d0e21e | 690 | |
3280af22 | 691 | src = PL_stack_base[*PL_markstack_ptr]; |
a0d0e21e | 692 | SvTEMP_off(src); |
54b9620d | 693 | DEFSV = src; |
a0d0e21e LW |
694 | |
695 | PUTBACK; | |
533c011a | 696 | if (PL_op->op_type == OP_MAPSTART) |
cea2e8a9 | 697 | pp_pushmark(); /* push top */ |
533c011a | 698 | return ((LOGOP*)PL_op->op_next)->op_other; |
a0d0e21e LW |
699 | } |
700 | ||
701 | PP(pp_mapstart) | |
702 | { | |
cea2e8a9 | 703 | DIE(aTHX_ "panic: mapstart"); /* uses grepstart */ |
a0d0e21e LW |
704 | } |
705 | ||
706 | PP(pp_mapwhile) | |
707 | { | |
4e35701f | 708 | djSP; |
3280af22 | 709 | I32 diff = (SP - PL_stack_base) - *PL_markstack_ptr; |
a0d0e21e LW |
710 | I32 count; |
711 | I32 shift; | |
712 | SV** src; | |
713 | SV** dst; | |
714 | ||
3280af22 | 715 | ++PL_markstack_ptr[-1]; |
a0d0e21e | 716 | if (diff) { |
3280af22 NIS |
717 | if (diff > PL_markstack_ptr[-1] - PL_markstack_ptr[-2]) { |
718 | shift = diff - (PL_markstack_ptr[-1] - PL_markstack_ptr[-2]); | |
719 | count = (SP - PL_stack_base) - PL_markstack_ptr[-1] + 2; | |
a0d0e21e | 720 | |
924508f0 GS |
721 | EXTEND(SP,shift); |
722 | src = SP; | |
723 | dst = (SP += shift); | |
3280af22 NIS |
724 | PL_markstack_ptr[-1] += shift; |
725 | *PL_markstack_ptr += shift; | |
a0d0e21e LW |
726 | while (--count) |
727 | *dst-- = *src--; | |
728 | } | |
3280af22 | 729 | dst = PL_stack_base + (PL_markstack_ptr[-2] += diff) - 1; |
a0d0e21e LW |
730 | ++diff; |
731 | while (--diff) | |
732 | *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs); | |
733 | } | |
734 | LEAVE; /* exit inner scope */ | |
735 | ||
736 | /* All done yet? */ | |
3280af22 | 737 | if (PL_markstack_ptr[-1] > *PL_markstack_ptr) { |
a0d0e21e | 738 | I32 items; |
54310121 | 739 | I32 gimme = GIMME_V; |
a0d0e21e LW |
740 | |
741 | (void)POPMARK; /* pop top */ | |
742 | LEAVE; /* exit outer scope */ | |
743 | (void)POPMARK; /* pop src */ | |
3280af22 | 744 | items = --*PL_markstack_ptr - PL_markstack_ptr[-1]; |
a0d0e21e | 745 | (void)POPMARK; /* pop dst */ |
3280af22 | 746 | SP = PL_stack_base + POPMARK; /* pop original mark */ |
54310121 | 747 | if (gimme == G_SCALAR) { |
a0d0e21e LW |
748 | dTARGET; |
749 | XPUSHi(items); | |
a0d0e21e | 750 | } |
54310121 | 751 | else if (gimme == G_ARRAY) |
752 | SP += items; | |
a0d0e21e LW |
753 | RETURN; |
754 | } | |
755 | else { | |
756 | SV *src; | |
757 | ||
758 | ENTER; /* enter inner scope */ | |
7766f137 | 759 | SAVEVPTR(PL_curpm); |
a0d0e21e | 760 | |
3280af22 | 761 | src = PL_stack_base[PL_markstack_ptr[-1]]; |
a0d0e21e | 762 | SvTEMP_off(src); |
54b9620d | 763 | DEFSV = src; |
a0d0e21e LW |
764 | |
765 | RETURNOP(cLOGOP->op_other); | |
766 | } | |
767 | } | |
768 | ||
a0d0e21e LW |
769 | PP(pp_sort) |
770 | { | |
4e35701f | 771 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
772 | register SV **up; |
773 | SV **myorigmark = ORIGMARK; | |
774 | register I32 max; | |
775 | HV *stash; | |
776 | GV *gv; | |
777 | CV *cv; | |
778 | I32 gimme = GIMME; | |
533c011a | 779 | OP* nextop = PL_op->op_next; |
d0ecd44c | 780 | I32 overloading = 0; |
a0d0e21e LW |
781 | |
782 | if (gimme != G_ARRAY) { | |
783 | SP = MARK; | |
784 | RETPUSHUNDEF; | |
785 | } | |
786 | ||
d0abe6c5 | 787 | ENTER; |
7766f137 | 788 | SAVEVPTR(PL_sortcop); |
533c011a NIS |
789 | if (PL_op->op_flags & OPf_STACKED) { |
790 | if (PL_op->op_flags & OPf_SPECIAL) { | |
a0d0e21e LW |
791 | OP *kid = cLISTOP->op_first->op_sibling; /* pass pushmark */ |
792 | kid = kUNOP->op_first; /* pass rv2gv */ | |
793 | kid = kUNOP->op_first; /* pass leave */ | |
3280af22 | 794 | PL_sortcop = kid->op_next; |
11faa288 | 795 | stash = CopSTASH(PL_curcop); |
a0d0e21e LW |
796 | } |
797 | else { | |
798 | cv = sv_2cv(*++MARK, &stash, &gv, 0); | |
799 | if (!(cv && CvROOT(cv))) { | |
800 | if (gv) { | |
801 | SV *tmpstr = sv_newmortal(); | |
e5cf08de | 802 | gv_efullname3(tmpstr, gv, Nullch); |
a0d0e21e | 803 | if (cv && CvXSUB(cv)) |
cea2e8a9 GS |
804 | DIE(aTHX_ "Xsub \"%s\" called in sort", SvPVX(tmpstr)); |
805 | DIE(aTHX_ "Undefined sort subroutine \"%s\" called", | |
a0d0e21e LW |
806 | SvPVX(tmpstr)); |
807 | } | |
808 | if (cv) { | |
809 | if (CvXSUB(cv)) | |
cea2e8a9 GS |
810 | DIE(aTHX_ "Xsub called in sort"); |
811 | DIE(aTHX_ "Undefined subroutine in sort"); | |
a0d0e21e | 812 | } |
cea2e8a9 | 813 | DIE(aTHX_ "Not a CODE reference in sort"); |
a0d0e21e | 814 | } |
3280af22 | 815 | PL_sortcop = CvSTART(cv); |
7766f137 | 816 | SAVEVPTR(CvROOT(cv)->op_ppaddr); |
22c35a8c | 817 | CvROOT(cv)->op_ppaddr = PL_ppaddr[OP_NULL]; |
b3933176 | 818 | |
7766f137 | 819 | SAVEVPTR(PL_curpad); |
3280af22 | 820 | PL_curpad = AvARRAY((AV*)AvARRAY(CvPADLIST(cv))[1]); |
a0d0e21e LW |
821 | } |
822 | } | |
823 | else { | |
3280af22 | 824 | PL_sortcop = Nullop; |
11faa288 | 825 | stash = CopSTASH(PL_curcop); |
a0d0e21e LW |
826 | } |
827 | ||
828 | up = myorigmark + 1; | |
829 | while (MARK < SP) { /* This may or may not shift down one here. */ | |
830 | /*SUPPRESS 560*/ | |
831 | if (*up = *++MARK) { /* Weed out nulls. */ | |
9f8d30d5 | 832 | SvTEMP_off(*up); |
d0ecd44c | 833 | if (!PL_sortcop && !SvPOK(*up)) { |
2d8e6c8d | 834 | STRLEN n_a; |
d0ecd44c IZ |
835 | if (SvAMAGIC(*up)) |
836 | overloading = 1; | |
837 | else | |
2d8e6c8d | 838 | (void)sv_2pv(*up, &n_a); |
d0ecd44c | 839 | } |
a0d0e21e LW |
840 | up++; |
841 | } | |
842 | } | |
843 | max = --up - myorigmark; | |
3280af22 | 844 | if (PL_sortcop) { |
a0d0e21e | 845 | if (max > 1) { |
c09156bb | 846 | PERL_CONTEXT *cx; |
a0d0e21e | 847 | SV** newsp; |
54310121 | 848 | bool oldcatch = CATCH_GET; |
a0d0e21e LW |
849 | |
850 | SAVETMPS; | |
462e5cf6 | 851 | SAVEOP(); |
a0d0e21e | 852 | |
54310121 | 853 | CATCH_SET(TRUE); |
e788e7d3 | 854 | PUSHSTACKi(PERLSI_SORT); |
3280af22 NIS |
855 | if (PL_sortstash != stash) { |
856 | PL_firstgv = gv_fetchpv("a", TRUE, SVt_PV); | |
857 | PL_secondgv = gv_fetchpv("b", TRUE, SVt_PV); | |
858 | PL_sortstash = stash; | |
a0d0e21e LW |
859 | } |
860 | ||
3280af22 NIS |
861 | SAVESPTR(GvSV(PL_firstgv)); |
862 | SAVESPTR(GvSV(PL_secondgv)); | |
b3933176 | 863 | |
3280af22 | 864 | PUSHBLOCK(cx, CXt_NULL, PL_stack_base); |
533c011a | 865 | if (!(PL_op->op_flags & OPf_SPECIAL)) { |
b3933176 CS |
866 | bool hasargs = FALSE; |
867 | cx->cx_type = CXt_SUB; | |
868 | cx->blk_gimme = G_SCALAR; | |
869 | PUSHSUB(cx); | |
870 | if (!CvDEPTH(cv)) | |
3e3baf6d | 871 | (void)SvREFCNT_inc(cv); /* in preparation for POPSUB */ |
b3933176 | 872 | } |
3280af22 | 873 | PL_sortcxix = cxstack_ix; |
0b94c7bb | 874 | qsortsv((myorigmark+1), max, sortcv); |
a0d0e21e | 875 | |
3280af22 | 876 | POPBLOCK(cx,PL_curpm); |
ebafeae7 | 877 | PL_stack_sp = newsp; |
d3acc0f7 | 878 | POPSTACK; |
54310121 | 879 | CATCH_SET(oldcatch); |
a0d0e21e | 880 | } |
a0d0e21e LW |
881 | } |
882 | else { | |
883 | if (max > 1) { | |
884 | MEXTEND(SP, 20); /* Can't afford stack realloc on signal. */ | |
745d3a65 | 885 | qsortsv(ORIGMARK+1, max, |
9c007264 JH |
886 | (PL_op->op_private & OPpSORT_NUMERIC) |
887 | ? ( (PL_op->op_private & OPpSORT_INTEGER) | |
0b94c7bb GS |
888 | ? ( overloading ? amagic_i_ncmp : sv_i_ncmp) |
889 | : ( overloading ? amagic_ncmp : sv_ncmp)) | |
9c007264 JH |
890 | : ( (PL_op->op_private & OPpLOCALE) |
891 | ? ( overloading | |
0b94c7bb GS |
892 | ? amagic_cmp_locale |
893 | : sv_cmp_locale_static) | |
894 | : ( overloading ? amagic_cmp : sv_cmp_static))); | |
9c007264 JH |
895 | if (PL_op->op_private & OPpSORT_REVERSE) { |
896 | SV **p = ORIGMARK+1; | |
897 | SV **q = ORIGMARK+max; | |
898 | while (p < q) { | |
899 | SV *tmp = *p; | |
900 | *p++ = *q; | |
901 | *q-- = tmp; | |
902 | } | |
903 | } | |
a0d0e21e LW |
904 | } |
905 | } | |
d0abe6c5 | 906 | LEAVE; |
3280af22 | 907 | PL_stack_sp = ORIGMARK + max; |
a0d0e21e LW |
908 | return nextop; |
909 | } | |
910 | ||
911 | /* Range stuff. */ | |
912 | ||
913 | PP(pp_range) | |
914 | { | |
915 | if (GIMME == G_ARRAY) | |
1a67a97c | 916 | return NORMAL; |
538573f7 | 917 | if (SvTRUEx(PAD_SV(PL_op->op_targ))) |
1a67a97c | 918 | return cLOGOP->op_other; |
538573f7 | 919 | else |
1a67a97c | 920 | return NORMAL; |
a0d0e21e LW |
921 | } |
922 | ||
923 | PP(pp_flip) | |
924 | { | |
4e35701f | 925 | djSP; |
a0d0e21e LW |
926 | |
927 | if (GIMME == G_ARRAY) { | |
1a67a97c | 928 | RETURNOP(((LOGOP*)cUNOP->op_first)->op_other); |
a0d0e21e LW |
929 | } |
930 | else { | |
931 | dTOPss; | |
533c011a | 932 | SV *targ = PAD_SV(PL_op->op_targ); |
a0d0e21e | 933 | |
533c011a | 934 | if ((PL_op->op_private & OPpFLIP_LINENUM) |
3280af22 | 935 | ? (PL_last_in_gv && SvIV(sv) == (IV)IoLINES(GvIOp(PL_last_in_gv))) |
a0d0e21e LW |
936 | : SvTRUE(sv) ) { |
937 | sv_setiv(PAD_SV(cUNOP->op_first->op_targ), 1); | |
533c011a | 938 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e | 939 | sv_setiv(targ, 1); |
3e3baf6d | 940 | SETs(targ); |
a0d0e21e LW |
941 | RETURN; |
942 | } | |
943 | else { | |
944 | sv_setiv(targ, 0); | |
924508f0 | 945 | SP--; |
1a67a97c | 946 | RETURNOP(((LOGOP*)cUNOP->op_first)->op_other); |
a0d0e21e LW |
947 | } |
948 | } | |
949 | sv_setpv(TARG, ""); | |
950 | SETs(targ); | |
951 | RETURN; | |
952 | } | |
953 | } | |
954 | ||
955 | PP(pp_flop) | |
956 | { | |
4e35701f | 957 | djSP; |
a0d0e21e LW |
958 | |
959 | if (GIMME == G_ARRAY) { | |
960 | dPOPPOPssrl; | |
c1ab3db2 | 961 | register I32 i, j; |
a0d0e21e LW |
962 | register SV *sv; |
963 | I32 max; | |
86cb7173 HS |
964 | |
965 | if (SvGMAGICAL(left)) | |
966 | mg_get(left); | |
967 | if (SvGMAGICAL(right)) | |
968 | mg_get(right); | |
a0d0e21e | 969 | |
4633a7c4 | 970 | if (SvNIOKp(left) || !SvPOKp(left) || |
bbce6d69 | 971 | (looks_like_number(left) && *SvPVX(left) != '0') ) |
972 | { | |
c1ab3db2 | 973 | if (SvNV(left) < IV_MIN || SvNV(right) > IV_MAX) |
d470f89e | 974 | DIE(aTHX_ "Range iterator outside integer range"); |
a0d0e21e LW |
975 | i = SvIV(left); |
976 | max = SvIV(right); | |
bbce6d69 | 977 | if (max >= i) { |
c1ab3db2 AK |
978 | j = max - i + 1; |
979 | EXTEND_MORTAL(j); | |
980 | EXTEND(SP, j); | |
bbce6d69 | 981 | } |
c1ab3db2 AK |
982 | else |
983 | j = 0; | |
984 | while (j--) { | |
bbce6d69 | 985 | sv = sv_2mortal(newSViv(i++)); |
a0d0e21e LW |
986 | PUSHs(sv); |
987 | } | |
988 | } | |
989 | else { | |
990 | SV *final = sv_mortalcopy(right); | |
2d8e6c8d | 991 | STRLEN len, n_a; |
a0d0e21e LW |
992 | char *tmps = SvPV(final, len); |
993 | ||
994 | sv = sv_mortalcopy(left); | |
2d8e6c8d | 995 | SvPV_force(sv,n_a); |
89ea2908 | 996 | while (!SvNIOKp(sv) && SvCUR(sv) <= len) { |
a0d0e21e | 997 | XPUSHs(sv); |
89ea2908 GA |
998 | if (strEQ(SvPVX(sv),tmps)) |
999 | break; | |
a0d0e21e LW |
1000 | sv = sv_2mortal(newSVsv(sv)); |
1001 | sv_inc(sv); | |
1002 | } | |
a0d0e21e LW |
1003 | } |
1004 | } | |
1005 | else { | |
1006 | dTOPss; | |
1007 | SV *targ = PAD_SV(cUNOP->op_first->op_targ); | |
1008 | sv_inc(targ); | |
533c011a | 1009 | if ((PL_op->op_private & OPpFLIP_LINENUM) |
3280af22 | 1010 | ? (PL_last_in_gv && SvIV(sv) == (IV)IoLINES(GvIOp(PL_last_in_gv))) |
a0d0e21e LW |
1011 | : SvTRUE(sv) ) { |
1012 | sv_setiv(PAD_SV(((UNOP*)cUNOP->op_first)->op_first->op_targ), 0); | |
1013 | sv_catpv(targ, "E0"); | |
1014 | } | |
1015 | SETs(targ); | |
1016 | } | |
1017 | ||
1018 | RETURN; | |
1019 | } | |
1020 | ||
1021 | /* Control. */ | |
1022 | ||
76e3520e | 1023 | STATIC I32 |
cea2e8a9 | 1024 | S_dopoptolabel(pTHX_ char *label) |
a0d0e21e | 1025 | { |
11343788 | 1026 | dTHR; |
a0d0e21e | 1027 | register I32 i; |
c09156bb | 1028 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1029 | |
1030 | for (i = cxstack_ix; i >= 0; i--) { | |
1031 | cx = &cxstack[i]; | |
6b35e009 | 1032 | switch (CxTYPE(cx)) { |
a0d0e21e | 1033 | case CXt_SUBST: |
599cee73 | 1034 | if (ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 1035 | Perl_warner(aTHX_ WARN_UNSAFE, "Exiting substitution via %s", |
22c35a8c | 1036 | PL_op_name[PL_op->op_type]); |
a0d0e21e LW |
1037 | break; |
1038 | case CXt_SUB: | |
599cee73 | 1039 | if (ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 1040 | Perl_warner(aTHX_ WARN_UNSAFE, "Exiting subroutine via %s", |
22c35a8c | 1041 | PL_op_name[PL_op->op_type]); |
a0d0e21e | 1042 | break; |
7766f137 GS |
1043 | case CXt_FORMAT: |
1044 | if (ckWARN(WARN_UNSAFE)) | |
1045 | Perl_warner(aTHX_ WARN_UNSAFE, "Exiting format via %s", | |
1046 | PL_op_name[PL_op->op_type]); | |
1047 | break; | |
a0d0e21e | 1048 | case CXt_EVAL: |
599cee73 | 1049 | if (ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 1050 | Perl_warner(aTHX_ WARN_UNSAFE, "Exiting eval via %s", |
22c35a8c | 1051 | PL_op_name[PL_op->op_type]); |
a0d0e21e | 1052 | break; |
0a753a76 | 1053 | case CXt_NULL: |
599cee73 | 1054 | if (ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 1055 | Perl_warner(aTHX_ WARN_UNSAFE, "Exiting pseudo-block via %s", |
22c35a8c | 1056 | PL_op_name[PL_op->op_type]); |
0a753a76 | 1057 | return -1; |
a0d0e21e LW |
1058 | case CXt_LOOP: |
1059 | if (!cx->blk_loop.label || | |
1060 | strNE(label, cx->blk_loop.label) ) { | |
cea2e8a9 | 1061 | DEBUG_l(Perl_deb(aTHX_ "(Skipping label #%ld %s)\n", |
68dc0745 | 1062 | (long)i, cx->blk_loop.label)); |
a0d0e21e LW |
1063 | continue; |
1064 | } | |
cea2e8a9 | 1065 | DEBUG_l( Perl_deb(aTHX_ "(Found label #%ld %s)\n", (long)i, label)); |
a0d0e21e LW |
1066 | return i; |
1067 | } | |
1068 | } | |
1069 | return i; | |
1070 | } | |
1071 | ||
e50aee73 | 1072 | I32 |
864dbfa3 | 1073 | Perl_dowantarray(pTHX) |
e50aee73 | 1074 | { |
54310121 | 1075 | I32 gimme = block_gimme(); |
1076 | return (gimme == G_VOID) ? G_SCALAR : gimme; | |
1077 | } | |
1078 | ||
1079 | I32 | |
864dbfa3 | 1080 | Perl_block_gimme(pTHX) |
54310121 | 1081 | { |
11343788 | 1082 | dTHR; |
e50aee73 AD |
1083 | I32 cxix; |
1084 | ||
1085 | cxix = dopoptosub(cxstack_ix); | |
1086 | if (cxix < 0) | |
46fc3d4c | 1087 | return G_VOID; |
e50aee73 | 1088 | |
54310121 | 1089 | switch (cxstack[cxix].blk_gimme) { |
d2719217 GS |
1090 | case G_VOID: |
1091 | return G_VOID; | |
54310121 | 1092 | case G_SCALAR: |
e50aee73 | 1093 | return G_SCALAR; |
54310121 | 1094 | case G_ARRAY: |
1095 | return G_ARRAY; | |
1096 | default: | |
cea2e8a9 | 1097 | Perl_croak(aTHX_ "panic: bad gimme: %d\n", cxstack[cxix].blk_gimme); |
d2719217 GS |
1098 | /* NOTREACHED */ |
1099 | return 0; | |
54310121 | 1100 | } |
e50aee73 AD |
1101 | } |
1102 | ||
76e3520e | 1103 | STATIC I32 |
cea2e8a9 | 1104 | S_dopoptosub(pTHX_ I32 startingblock) |
a0d0e21e | 1105 | { |
11343788 | 1106 | dTHR; |
2c375eb9 GS |
1107 | return dopoptosub_at(cxstack, startingblock); |
1108 | } | |
1109 | ||
1110 | STATIC I32 | |
cea2e8a9 | 1111 | S_dopoptosub_at(pTHX_ PERL_CONTEXT *cxstk, I32 startingblock) |
2c375eb9 GS |
1112 | { |
1113 | dTHR; | |
a0d0e21e | 1114 | I32 i; |
c09156bb | 1115 | register PERL_CONTEXT *cx; |
a0d0e21e | 1116 | for (i = startingblock; i >= 0; i--) { |
2c375eb9 | 1117 | cx = &cxstk[i]; |
6b35e009 | 1118 | switch (CxTYPE(cx)) { |
a0d0e21e LW |
1119 | default: |
1120 | continue; | |
1121 | case CXt_EVAL: | |
1122 | case CXt_SUB: | |
7766f137 | 1123 | case CXt_FORMAT: |
cea2e8a9 | 1124 | DEBUG_l( Perl_deb(aTHX_ "(Found sub #%ld)\n", (long)i)); |
a0d0e21e LW |
1125 | return i; |
1126 | } | |
1127 | } | |
1128 | return i; | |
1129 | } | |
1130 | ||
76e3520e | 1131 | STATIC I32 |
cea2e8a9 | 1132 | S_dopoptoeval(pTHX_ I32 startingblock) |
a0d0e21e | 1133 | { |
11343788 | 1134 | dTHR; |
a0d0e21e | 1135 | I32 i; |
c09156bb | 1136 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1137 | for (i = startingblock; i >= 0; i--) { |
1138 | cx = &cxstack[i]; | |
6b35e009 | 1139 | switch (CxTYPE(cx)) { |
a0d0e21e LW |
1140 | default: |
1141 | continue; | |
1142 | case CXt_EVAL: | |
cea2e8a9 | 1143 | DEBUG_l( Perl_deb(aTHX_ "(Found eval #%ld)\n", (long)i)); |
a0d0e21e LW |
1144 | return i; |
1145 | } | |
1146 | } | |
1147 | return i; | |
1148 | } | |
1149 | ||
76e3520e | 1150 | STATIC I32 |
cea2e8a9 | 1151 | S_dopoptoloop(pTHX_ I32 startingblock) |
a0d0e21e | 1152 | { |
11343788 | 1153 | dTHR; |
a0d0e21e | 1154 | I32 i; |
c09156bb | 1155 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1156 | for (i = startingblock; i >= 0; i--) { |
1157 | cx = &cxstack[i]; | |
6b35e009 | 1158 | switch (CxTYPE(cx)) { |
a0d0e21e | 1159 | case CXt_SUBST: |
599cee73 | 1160 | if (ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 1161 | Perl_warner(aTHX_ WARN_UNSAFE, "Exiting substitution via %s", |
22c35a8c | 1162 | PL_op_name[PL_op->op_type]); |
a0d0e21e LW |
1163 | break; |
1164 | case CXt_SUB: | |
599cee73 | 1165 | if (ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 1166 | Perl_warner(aTHX_ WARN_UNSAFE, "Exiting subroutine via %s", |
22c35a8c | 1167 | PL_op_name[PL_op->op_type]); |
a0d0e21e | 1168 | break; |
7766f137 GS |
1169 | case CXt_FORMAT: |
1170 | if (ckWARN(WARN_UNSAFE)) | |
1171 | Perl_warner(aTHX_ WARN_UNSAFE, "Exiting format via %s", | |
1172 | PL_op_name[PL_op->op_type]); | |
1173 | break; | |
a0d0e21e | 1174 | case CXt_EVAL: |
599cee73 | 1175 | if (ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 1176 | Perl_warner(aTHX_ WARN_UNSAFE, "Exiting eval via %s", |
22c35a8c | 1177 | PL_op_name[PL_op->op_type]); |
a0d0e21e | 1178 | break; |
0a753a76 | 1179 | case CXt_NULL: |
599cee73 | 1180 | if (ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 1181 | Perl_warner(aTHX_ WARN_UNSAFE, "Exiting pseudo-block via %s", |
22c35a8c | 1182 | PL_op_name[PL_op->op_type]); |
0a753a76 | 1183 | return -1; |
a0d0e21e | 1184 | case CXt_LOOP: |
cea2e8a9 | 1185 | DEBUG_l( Perl_deb(aTHX_ "(Found loop #%ld)\n", (long)i)); |
a0d0e21e LW |
1186 | return i; |
1187 | } | |
1188 | } | |
1189 | return i; | |
1190 | } | |
1191 | ||
1192 | void | |
864dbfa3 | 1193 | Perl_dounwind(pTHX_ I32 cxix) |
a0d0e21e | 1194 | { |
11343788 | 1195 | dTHR; |
c09156bb | 1196 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1197 | SV **newsp; |
1198 | I32 optype; | |
1199 | ||
1200 | while (cxstack_ix > cxix) { | |
b0d9ce38 | 1201 | SV *sv; |
c90c0ff4 | 1202 | cx = &cxstack[cxstack_ix]; |
1203 | DEBUG_l(PerlIO_printf(Perl_debug_log, "Unwinding block %ld, type %s\n", | |
22c35a8c | 1204 | (long) cxstack_ix, PL_block_type[CxTYPE(cx)])); |
a0d0e21e | 1205 | /* Note: we don't need to restore the base context info till the end. */ |
6b35e009 | 1206 | switch (CxTYPE(cx)) { |
c90c0ff4 | 1207 | case CXt_SUBST: |
1208 | POPSUBST(cx); | |
1209 | continue; /* not break */ | |
a0d0e21e | 1210 | case CXt_SUB: |
b0d9ce38 GS |
1211 | POPSUB(cx,sv); |
1212 | LEAVESUB(sv); | |
a0d0e21e LW |
1213 | break; |
1214 | case CXt_EVAL: | |
1215 | POPEVAL(cx); | |
1216 | break; | |
1217 | case CXt_LOOP: | |
1218 | POPLOOP(cx); | |
1219 | break; | |
0a753a76 | 1220 | case CXt_NULL: |
a0d0e21e | 1221 | break; |
7766f137 GS |
1222 | case CXt_FORMAT: |
1223 | POPFORMAT(cx); | |
1224 | break; | |
a0d0e21e | 1225 | } |
c90c0ff4 | 1226 | cxstack_ix--; |
a0d0e21e LW |
1227 | } |
1228 | } | |
1229 | ||
067f92a0 GS |
1230 | /* |
1231 | * Closures mentioned at top level of eval cannot be referenced | |
1232 | * again, and their presence indirectly causes a memory leak. | |
1233 | * (Note that the fact that compcv and friends are still set here | |
1234 | * is, AFAIK, an accident.) --Chip | |
1235 | * | |
1236 | * XXX need to get comppad et al from eval's cv rather than | |
1237 | * relying on the incidental global values. | |
1238 | */ | |
1239 | STATIC void | |
cea2e8a9 | 1240 | S_free_closures(pTHX) |
067f92a0 GS |
1241 | { |
1242 | dTHR; | |
1243 | SV **svp = AvARRAY(PL_comppad_name); | |
1244 | I32 ix; | |
1245 | for (ix = AvFILLp(PL_comppad_name); ix >= 0; ix--) { | |
1246 | SV *sv = svp[ix]; | |
1247 | if (sv && sv != &PL_sv_undef && *SvPVX(sv) == '&') { | |
1248 | SvREFCNT_dec(sv); | |
1249 | svp[ix] = &PL_sv_undef; | |
1250 | ||
1251 | sv = PL_curpad[ix]; | |
1252 | if (CvCLONE(sv)) { | |
1253 | SvREFCNT_dec(CvOUTSIDE(sv)); | |
1254 | CvOUTSIDE(sv) = Nullcv; | |
1255 | } | |
1256 | else { | |
1257 | SvREFCNT_dec(sv); | |
1258 | sv = NEWSV(0,0); | |
1259 | SvPADTMP_on(sv); | |
1260 | PL_curpad[ix] = sv; | |
1261 | } | |
1262 | } | |
1263 | } | |
1264 | } | |
1265 | ||
5a844595 GS |
1266 | void |
1267 | Perl_qerror(pTHX_ SV *err) | |
1268 | { | |
1269 | if (PL_in_eval) | |
1270 | sv_catsv(ERRSV, err); | |
1271 | else if (PL_errors) | |
1272 | sv_catsv(PL_errors, err); | |
1273 | else | |
1274 | Perl_warn(aTHX_ "%_", err); | |
1275 | ++PL_error_count; | |
1276 | } | |
1277 | ||
a0d0e21e | 1278 | OP * |
864dbfa3 | 1279 | Perl_die_where(pTHX_ char *message, STRLEN msglen) |
a0d0e21e | 1280 | { |
e336de0d | 1281 | dSP; |
2d8e6c8d | 1282 | STRLEN n_a; |
3280af22 | 1283 | if (PL_in_eval) { |
a0d0e21e | 1284 | I32 cxix; |
c09156bb | 1285 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1286 | I32 gimme; |
1287 | SV **newsp; | |
1288 | ||
4e6ea2c3 | 1289 | if (message) { |
faef0170 | 1290 | if (PL_in_eval & EVAL_KEEPERR) { |
98eae8f5 GS |
1291 | static char prefix[] = "\t(in cleanup) "; |
1292 | SV *err = ERRSV; | |
1293 | char *e = Nullch; | |
1294 | if (!SvPOK(err)) | |
1295 | sv_setpv(err,""); | |
1296 | else if (SvCUR(err) >= sizeof(prefix)+msglen-1) { | |
1297 | e = SvPV(err, n_a); | |
1298 | e += n_a - msglen; | |
1299 | if (*e != *message || strNE(e,message)) | |
1300 | e = Nullch; | |
1301 | } | |
1302 | if (!e) { | |
1303 | SvGROW(err, SvCUR(err)+sizeof(prefix)+msglen); | |
1304 | sv_catpvn(err, prefix, sizeof(prefix)-1); | |
1305 | sv_catpvn(err, message, msglen); | |
1306 | if (ckWARN(WARN_UNSAFE)) { | |
1307 | STRLEN start = SvCUR(err)-msglen-sizeof(prefix)+1; | |
1308 | Perl_warner(aTHX_ WARN_UNSAFE, SvPVX(err)+start); | |
4e6ea2c3 | 1309 | } |
4633a7c4 | 1310 | } |
4633a7c4 | 1311 | } |
4e6ea2c3 | 1312 | else |
06bf62c7 | 1313 | sv_setpvn(ERRSV, message, msglen); |
4633a7c4 LW |
1314 | } |
1315 | else | |
06bf62c7 | 1316 | message = SvPVx(ERRSV, msglen); |
4e6ea2c3 | 1317 | |
5a844595 GS |
1318 | while ((cxix = dopoptoeval(cxstack_ix)) < 0 |
1319 | && PL_curstackinfo->si_prev) | |
1320 | { | |
bac4b2ad | 1321 | dounwind(-1); |
d3acc0f7 | 1322 | POPSTACK; |
bac4b2ad | 1323 | } |
e336de0d | 1324 | |
a0d0e21e LW |
1325 | if (cxix >= 0) { |
1326 | I32 optype; | |
1327 | ||
1328 | if (cxix < cxstack_ix) | |
1329 | dounwind(cxix); | |
1330 | ||
3280af22 | 1331 | POPBLOCK(cx,PL_curpm); |
6b35e009 | 1332 | if (CxTYPE(cx) != CXt_EVAL) { |
bf49b057 GS |
1333 | PerlIO_write(Perl_error_log, "panic: die ", 11); |
1334 | PerlIO_write(Perl_error_log, message, msglen); | |
a0d0e21e LW |
1335 | my_exit(1); |
1336 | } | |
1337 | POPEVAL(cx); | |
1338 | ||
1339 | if (gimme == G_SCALAR) | |
3280af22 NIS |
1340 | *++newsp = &PL_sv_undef; |
1341 | PL_stack_sp = newsp; | |
a0d0e21e LW |
1342 | |
1343 | LEAVE; | |
748a9306 | 1344 | |
7a2e2cd6 | 1345 | if (optype == OP_REQUIRE) { |
2d8e6c8d | 1346 | char* msg = SvPVx(ERRSV, n_a); |
5a844595 GS |
1347 | DIE(aTHX_ "%sCompilation failed in require", |
1348 | *msg ? msg : "Unknown error\n"); | |
7a2e2cd6 | 1349 | } |
a0d0e21e LW |
1350 | return pop_return(); |
1351 | } | |
1352 | } | |
9cc2fdd3 | 1353 | if (!message) |
06bf62c7 | 1354 | message = SvPVx(ERRSV, msglen); |
d175a3f0 GS |
1355 | { |
1356 | #ifdef USE_SFIO | |
1357 | /* SFIO can really mess with your errno */ | |
1358 | int e = errno; | |
1359 | #endif | |
bf49b057 GS |
1360 | PerlIO *serr = Perl_error_log; |
1361 | ||
1362 | PerlIO_write(serr, message, msglen); | |
1363 | (void)PerlIO_flush(serr); | |
d175a3f0 GS |
1364 | #ifdef USE_SFIO |
1365 | errno = e; | |
1366 | #endif | |
1367 | } | |
f86702cc | 1368 | my_failure_exit(); |
1369 | /* NOTREACHED */ | |
a0d0e21e LW |
1370 | return 0; |
1371 | } | |
1372 | ||
1373 | PP(pp_xor) | |
1374 | { | |
4e35701f | 1375 | djSP; dPOPTOPssrl; |
a0d0e21e LW |
1376 | if (SvTRUE(left) != SvTRUE(right)) |
1377 | RETSETYES; | |
1378 | else | |
1379 | RETSETNO; | |
1380 | } | |
1381 | ||
1382 | PP(pp_andassign) | |
1383 | { | |
4e35701f | 1384 | djSP; |
a0d0e21e LW |
1385 | if (!SvTRUE(TOPs)) |
1386 | RETURN; | |
1387 | else | |
1388 | RETURNOP(cLOGOP->op_other); | |
1389 | } | |
1390 | ||
1391 | PP(pp_orassign) | |
1392 | { | |
4e35701f | 1393 | djSP; |
a0d0e21e LW |
1394 | if (SvTRUE(TOPs)) |
1395 | RETURN; | |
1396 | else | |
1397 | RETURNOP(cLOGOP->op_other); | |
1398 | } | |
1399 | ||
a0d0e21e LW |
1400 | PP(pp_caller) |
1401 | { | |
4e35701f | 1402 | djSP; |
a0d0e21e | 1403 | register I32 cxix = dopoptosub(cxstack_ix); |
c09156bb | 1404 | register PERL_CONTEXT *cx; |
2c375eb9 | 1405 | register PERL_CONTEXT *ccstack = cxstack; |
3280af22 | 1406 | PERL_SI *top_si = PL_curstackinfo; |
a0d0e21e | 1407 | I32 dbcxix; |
54310121 | 1408 | I32 gimme; |
ed094faf | 1409 | char *stashname; |
a0d0e21e LW |
1410 | SV *sv; |
1411 | I32 count = 0; | |
1412 | ||
1413 | if (MAXARG) | |
1414 | count = POPi; | |
f3aa04c2 | 1415 | EXTEND(SP, 7); |
a0d0e21e | 1416 | for (;;) { |
2c375eb9 GS |
1417 | /* we may be in a higher stacklevel, so dig down deeper */ |
1418 | while (cxix < 0 && top_si->si_type != PERLSI_MAIN) { | |
1419 | top_si = top_si->si_prev; | |
1420 | ccstack = top_si->si_cxstack; | |
1421 | cxix = dopoptosub_at(ccstack, top_si->si_cxix); | |
1422 | } | |
a0d0e21e LW |
1423 | if (cxix < 0) { |
1424 | if (GIMME != G_ARRAY) | |
1425 | RETPUSHUNDEF; | |
1426 | RETURN; | |
1427 | } | |
3280af22 NIS |
1428 | if (PL_DBsub && cxix >= 0 && |
1429 | ccstack[cxix].blk_sub.cv == GvCV(PL_DBsub)) | |
a0d0e21e LW |
1430 | count++; |
1431 | if (!count--) | |
1432 | break; | |
2c375eb9 | 1433 | cxix = dopoptosub_at(ccstack, cxix - 1); |
a0d0e21e | 1434 | } |
2c375eb9 GS |
1435 | |
1436 | cx = &ccstack[cxix]; | |
7766f137 | 1437 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
2c375eb9 GS |
1438 | dbcxix = dopoptosub_at(ccstack, cxix - 1); |
1439 | /* We expect that ccstack[dbcxix] is CXt_SUB, anyway, the | |
06a5b730 | 1440 | field below is defined for any cx. */ |
3280af22 | 1441 | if (PL_DBsub && dbcxix >= 0 && ccstack[dbcxix].blk_sub.cv == GvCV(PL_DBsub)) |
2c375eb9 | 1442 | cx = &ccstack[dbcxix]; |
06a5b730 | 1443 | } |
1444 | ||
ed094faf | 1445 | stashname = CopSTASHPV(cx->blk_oldcop); |
a0d0e21e | 1446 | if (GIMME != G_ARRAY) { |
ed094faf | 1447 | if (!stashname) |
3280af22 | 1448 | PUSHs(&PL_sv_undef); |
49d8d3a1 MB |
1449 | else { |
1450 | dTARGET; | |
ed094faf | 1451 | sv_setpv(TARG, stashname); |
49d8d3a1 MB |
1452 | PUSHs(TARG); |
1453 | } | |
a0d0e21e LW |
1454 | RETURN; |
1455 | } | |
a0d0e21e | 1456 | |
ed094faf | 1457 | if (!stashname) |
3280af22 | 1458 | PUSHs(&PL_sv_undef); |
49d8d3a1 | 1459 | else |
ed094faf GS |
1460 | PUSHs(sv_2mortal(newSVpv(stashname, 0))); |
1461 | PUSHs(sv_2mortal(newSVpv(CopFILE(cx->blk_oldcop), 0))); | |
57843af0 | 1462 | PUSHs(sv_2mortal(newSViv((I32)CopLINE(cx->blk_oldcop)))); |
a0d0e21e LW |
1463 | if (!MAXARG) |
1464 | RETURN; | |
7766f137 GS |
1465 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
1466 | /* So is ccstack[dbcxix]. */ | |
a0d0e21e | 1467 | sv = NEWSV(49, 0); |
2c375eb9 | 1468 | gv_efullname3(sv, CvGV(ccstack[cxix].blk_sub.cv), Nullch); |
a0d0e21e LW |
1469 | PUSHs(sv_2mortal(sv)); |
1470 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_sub.hasargs))); | |
1471 | } | |
1472 | else { | |
79cb57f6 | 1473 | PUSHs(sv_2mortal(newSVpvn("(eval)",6))); |
a0d0e21e LW |
1474 | PUSHs(sv_2mortal(newSViv(0))); |
1475 | } | |
54310121 | 1476 | gimme = (I32)cx->blk_gimme; |
1477 | if (gimme == G_VOID) | |
3280af22 | 1478 | PUSHs(&PL_sv_undef); |
54310121 | 1479 | else |
1480 | PUSHs(sv_2mortal(newSViv(gimme & G_ARRAY))); | |
6b35e009 | 1481 | if (CxTYPE(cx) == CXt_EVAL) { |
06a5b730 | 1482 | if (cx->blk_eval.old_op_type == OP_ENTEREVAL) { |
4633a7c4 | 1483 | PUSHs(cx->blk_eval.cur_text); |
3280af22 | 1484 | PUSHs(&PL_sv_no); |
06a5b730 | 1485 | } |
1486 | else if (cx->blk_eval.old_name) { /* Try blocks have old_name == 0. */ | |
1487 | /* Require, put the name. */ | |
1488 | PUSHs(sv_2mortal(newSVpv(cx->blk_eval.old_name, 0))); | |
3280af22 | 1489 | PUSHs(&PL_sv_yes); |
06a5b730 | 1490 | } |
4633a7c4 | 1491 | } |
a682de96 GS |
1492 | else { |
1493 | PUSHs(&PL_sv_undef); | |
1494 | PUSHs(&PL_sv_undef); | |
1495 | } | |
1496 | if (CxTYPE(cx) == CXt_SUB && cx->blk_sub.hasargs | |
ed094faf | 1497 | && CopSTASH_eq(PL_curcop, PL_debstash)) |
4633a7c4 | 1498 | { |
a0d0e21e LW |
1499 | AV *ary = cx->blk_sub.argarray; |
1500 | int off = AvARRAY(ary) - AvALLOC(ary); | |
1501 | ||
3280af22 | 1502 | if (!PL_dbargs) { |
a0d0e21e | 1503 | GV* tmpgv; |
3280af22 | 1504 | PL_dbargs = GvAV(gv_AVadd(tmpgv = gv_fetchpv("DB::args", TRUE, |
a0d0e21e | 1505 | SVt_PVAV))); |
a5f75d66 | 1506 | GvMULTI_on(tmpgv); |
3280af22 | 1507 | AvREAL_off(PL_dbargs); /* XXX Should be REIFY */ |
a0d0e21e LW |
1508 | } |
1509 | ||
3280af22 NIS |
1510 | if (AvMAX(PL_dbargs) < AvFILLp(ary) + off) |
1511 | av_extend(PL_dbargs, AvFILLp(ary) + off); | |
1512 | Copy(AvALLOC(ary), AvARRAY(PL_dbargs), AvFILLp(ary) + 1 + off, SV*); | |
1513 | AvFILLp(PL_dbargs) = AvFILLp(ary) + off; | |
a0d0e21e | 1514 | } |
f3aa04c2 GS |
1515 | /* XXX only hints propagated via op_private are currently |
1516 | * visible (others are not easily accessible, since they | |
1517 | * use the global PL_hints) */ | |
1518 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_oldcop->op_private & | |
1519 | HINT_PRIVATE_MASK))); | |
a0d0e21e LW |
1520 | RETURN; |
1521 | } | |
1522 | ||
a0d0e21e LW |
1523 | PP(pp_reset) |
1524 | { | |
4e35701f | 1525 | djSP; |
a0d0e21e | 1526 | char *tmps; |
2d8e6c8d | 1527 | STRLEN n_a; |
a0d0e21e LW |
1528 | |
1529 | if (MAXARG < 1) | |
1530 | tmps = ""; | |
1531 | else | |
2d8e6c8d | 1532 | tmps = POPpx; |
11faa288 | 1533 | sv_reset(tmps, CopSTASH(PL_curcop)); |
3280af22 | 1534 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1535 | RETURN; |
1536 | } | |
1537 | ||
1538 | PP(pp_lineseq) | |
1539 | { | |
1540 | return NORMAL; | |
1541 | } | |
1542 | ||
1543 | PP(pp_dbstate) | |
1544 | { | |
533c011a | 1545 | PL_curcop = (COP*)PL_op; |
a0d0e21e | 1546 | TAINT_NOT; /* Each statement is presumed innocent */ |
3280af22 | 1547 | PL_stack_sp = PL_stack_base + cxstack[cxstack_ix].blk_oldsp; |
a0d0e21e LW |
1548 | FREETMPS; |
1549 | ||
533c011a | 1550 | if (PL_op->op_private || SvIV(PL_DBsingle) || SvIV(PL_DBsignal) || SvIV(PL_DBtrace)) |
a0d0e21e | 1551 | { |
924508f0 | 1552 | djSP; |
a0d0e21e | 1553 | register CV *cv; |
c09156bb | 1554 | register PERL_CONTEXT *cx; |
748a9306 | 1555 | I32 gimme = G_ARRAY; |
a0d0e21e LW |
1556 | I32 hasargs; |
1557 | GV *gv; | |
1558 | ||
3280af22 | 1559 | gv = PL_DBgv; |
a0d0e21e | 1560 | cv = GvCV(gv); |
a0d0e21e | 1561 | if (!cv) |
cea2e8a9 | 1562 | DIE(aTHX_ "No DB::DB routine defined"); |
a0d0e21e | 1563 | |
3280af22 | 1564 | if (CvDEPTH(cv) >= 1 && !(PL_debug & (1<<30))) /* don't do recursive DB::DB call */ |
a0d0e21e | 1565 | return NORMAL; |
748a9306 | 1566 | |
4633a7c4 LW |
1567 | ENTER; |
1568 | SAVETMPS; | |
1569 | ||
3280af22 | 1570 | SAVEI32(PL_debug); |
55497cff | 1571 | SAVESTACK_POS(); |
3280af22 | 1572 | PL_debug = 0; |
748a9306 | 1573 | hasargs = 0; |
924508f0 | 1574 | SPAGAIN; |
748a9306 | 1575 | |
533c011a | 1576 | push_return(PL_op->op_next); |
924508f0 | 1577 | PUSHBLOCK(cx, CXt_SUB, SP); |
a0d0e21e LW |
1578 | PUSHSUB(cx); |
1579 | CvDEPTH(cv)++; | |
1580 | (void)SvREFCNT_inc(cv); | |
7766f137 | 1581 | SAVEVPTR(PL_curpad); |
3280af22 | 1582 | PL_curpad = AvARRAY((AV*)*av_fetch(CvPADLIST(cv),1,FALSE)); |
a0d0e21e LW |
1583 | RETURNOP(CvSTART(cv)); |
1584 | } | |
1585 | else | |
1586 | return NORMAL; | |
1587 | } | |
1588 | ||
1589 | PP(pp_scope) | |
1590 | { | |
1591 | return NORMAL; | |
1592 | } | |
1593 | ||
1594 | PP(pp_enteriter) | |
1595 | { | |
4e35701f | 1596 | djSP; dMARK; |
c09156bb | 1597 | register PERL_CONTEXT *cx; |
54310121 | 1598 | I32 gimme = GIMME_V; |
a0d0e21e | 1599 | SV **svp; |
7766f137 GS |
1600 | U32 cxtype = CXt_LOOP; |
1601 | #ifdef USE_ITHREADS | |
1602 | void *iterdata; | |
1603 | #endif | |
a0d0e21e | 1604 | |
4633a7c4 LW |
1605 | ENTER; |
1606 | SAVETMPS; | |
1607 | ||
54b9620d | 1608 | #ifdef USE_THREADS |
0214ae40 GS |
1609 | if (PL_op->op_flags & OPf_SPECIAL) { |
1610 | dTHR; | |
1611 | svp = &THREADSV(PL_op->op_targ); /* per-thread variable */ | |
1612 | SAVEGENERICSV(*svp); | |
1613 | *svp = NEWSV(0,0); | |
1614 | } | |
a0d0e21e | 1615 | else |
54b9620d | 1616 | #endif /* USE_THREADS */ |
533c011a NIS |
1617 | if (PL_op->op_targ) { |
1618 | svp = &PL_curpad[PL_op->op_targ]; /* "my" variable */ | |
54b9620d | 1619 | SAVESPTR(*svp); |
7766f137 GS |
1620 | #ifdef USE_ITHREADS |
1621 | iterdata = (void*)PL_op->op_targ; | |
1622 | cxtype |= CXp_PADVAR; | |
1623 | #endif | |
54b9620d MB |
1624 | } |
1625 | else { | |
7766f137 GS |
1626 | GV *gv = (GV*)POPs; |
1627 | svp = &GvSV(gv); /* symbol table variable */ | |
0214ae40 GS |
1628 | SAVEGENERICSV(*svp); |
1629 | *svp = NEWSV(0,0); | |
7766f137 GS |
1630 | #ifdef USE_ITHREADS |
1631 | iterdata = (void*)gv; | |
1632 | #endif | |
54b9620d | 1633 | } |
4633a7c4 | 1634 | |
a0d0e21e LW |
1635 | ENTER; |
1636 | ||
7766f137 GS |
1637 | PUSHBLOCK(cx, cxtype, SP); |
1638 | #ifdef USE_ITHREADS | |
1639 | PUSHLOOP(cx, iterdata, MARK); | |
1640 | #else | |
a0d0e21e | 1641 | PUSHLOOP(cx, svp, MARK); |
7766f137 | 1642 | #endif |
533c011a | 1643 | if (PL_op->op_flags & OPf_STACKED) { |
44a8e56a | 1644 | cx->blk_loop.iterary = (AV*)SvREFCNT_inc(POPs); |
89ea2908 GA |
1645 | if (SvTYPE(cx->blk_loop.iterary) != SVt_PVAV) { |
1646 | dPOPss; | |
1647 | if (SvNIOKp(sv) || !SvPOKp(sv) || | |
1648 | (looks_like_number(sv) && *SvPVX(sv) != '0')) { | |
1649 | if (SvNV(sv) < IV_MIN || | |
1650 | SvNV((SV*)cx->blk_loop.iterary) >= IV_MAX) | |
d470f89e | 1651 | DIE(aTHX_ "Range iterator outside integer range"); |
89ea2908 GA |
1652 | cx->blk_loop.iterix = SvIV(sv); |
1653 | cx->blk_loop.itermax = SvIV((SV*)cx->blk_loop.iterary); | |
1654 | } | |
1655 | else | |
1656 | cx->blk_loop.iterlval = newSVsv(sv); | |
1657 | } | |
1658 | } | |
4633a7c4 | 1659 | else { |
3280af22 NIS |
1660 | cx->blk_loop.iterary = PL_curstack; |
1661 | AvFILLp(PL_curstack) = SP - PL_stack_base; | |
1662 | cx->blk_loop.iterix = MARK - PL_stack_base; | |
4633a7c4 | 1663 | } |
a0d0e21e LW |
1664 | |
1665 | RETURN; | |
1666 | } | |
1667 | ||
1668 | PP(pp_enterloop) | |
1669 | { | |
4e35701f | 1670 | djSP; |
c09156bb | 1671 | register PERL_CONTEXT *cx; |
54310121 | 1672 | I32 gimme = GIMME_V; |
a0d0e21e LW |
1673 | |
1674 | ENTER; | |
1675 | SAVETMPS; | |
1676 | ENTER; | |
1677 | ||
1678 | PUSHBLOCK(cx, CXt_LOOP, SP); | |
1679 | PUSHLOOP(cx, 0, SP); | |
1680 | ||
1681 | RETURN; | |
1682 | } | |
1683 | ||
1684 | PP(pp_leaveloop) | |
1685 | { | |
4e35701f | 1686 | djSP; |
c09156bb | 1687 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1688 | I32 gimme; |
1689 | SV **newsp; | |
1690 | PMOP *newpm; | |
1691 | SV **mark; | |
1692 | ||
1693 | POPBLOCK(cx,newpm); | |
4fdae800 | 1694 | mark = newsp; |
a8bba7fa | 1695 | newsp = PL_stack_base + cx->blk_loop.resetsp; |
f86702cc | 1696 | |
a1f49e72 | 1697 | TAINT_NOT; |
54310121 | 1698 | if (gimme == G_VOID) |
1699 | ; /* do nothing */ | |
1700 | else if (gimme == G_SCALAR) { | |
1701 | if (mark < SP) | |
1702 | *++newsp = sv_mortalcopy(*SP); | |
1703 | else | |
3280af22 | 1704 | *++newsp = &PL_sv_undef; |
a0d0e21e LW |
1705 | } |
1706 | else { | |
a1f49e72 | 1707 | while (mark < SP) { |
a0d0e21e | 1708 | *++newsp = sv_mortalcopy(*++mark); |
a1f49e72 CS |
1709 | TAINT_NOT; /* Each item is independent */ |
1710 | } | |
a0d0e21e | 1711 | } |
f86702cc | 1712 | SP = newsp; |
1713 | PUTBACK; | |
1714 | ||
a8bba7fa | 1715 | POPLOOP(cx); /* Stack values are safe: release loop vars ... */ |
3280af22 | 1716 | PL_curpm = newpm; /* ... and pop $1 et al */ |
f86702cc | 1717 | |
a0d0e21e LW |
1718 | LEAVE; |
1719 | LEAVE; | |
1720 | ||
f86702cc | 1721 | return NORMAL; |
a0d0e21e LW |
1722 | } |
1723 | ||
1724 | PP(pp_return) | |
1725 | { | |
4e35701f | 1726 | djSP; dMARK; |
a0d0e21e | 1727 | I32 cxix; |
c09156bb | 1728 | register PERL_CONTEXT *cx; |
f86702cc | 1729 | bool popsub2 = FALSE; |
a0d0e21e LW |
1730 | I32 gimme; |
1731 | SV **newsp; | |
1732 | PMOP *newpm; | |
1733 | I32 optype = 0; | |
b0d9ce38 | 1734 | SV *sv; |
a0d0e21e | 1735 | |
3280af22 | 1736 | if (PL_curstackinfo->si_type == PERLSI_SORT) { |
7766f137 GS |
1737 | if (cxstack_ix == PL_sortcxix |
1738 | || dopoptosub(cxstack_ix) <= PL_sortcxix) | |
1739 | { | |
3280af22 NIS |
1740 | if (cxstack_ix > PL_sortcxix) |
1741 | dounwind(PL_sortcxix); | |
1742 | AvARRAY(PL_curstack)[1] = *SP; | |
1743 | PL_stack_sp = PL_stack_base + 1; | |
a0d0e21e LW |
1744 | return 0; |
1745 | } | |
1746 | } | |
1747 | ||
1748 | cxix = dopoptosub(cxstack_ix); | |
1749 | if (cxix < 0) | |
cea2e8a9 | 1750 | DIE(aTHX_ "Can't return outside a subroutine"); |
a0d0e21e LW |
1751 | if (cxix < cxstack_ix) |
1752 | dounwind(cxix); | |
1753 | ||
1754 | POPBLOCK(cx,newpm); | |
6b35e009 | 1755 | switch (CxTYPE(cx)) { |
a0d0e21e | 1756 | case CXt_SUB: |
f86702cc | 1757 | popsub2 = TRUE; |
a0d0e21e LW |
1758 | break; |
1759 | case CXt_EVAL: | |
1760 | POPEVAL(cx); | |
067f92a0 GS |
1761 | if (AvFILLp(PL_comppad_name) >= 0) |
1762 | free_closures(); | |
1763 | lex_end(); | |
748a9306 LW |
1764 | if (optype == OP_REQUIRE && |
1765 | (MARK == SP || (gimme == G_SCALAR && !SvTRUE(*SP))) ) | |
1766 | { | |
54310121 | 1767 | /* Unassume the success we assumed earlier. */ |
748a9306 | 1768 | char *name = cx->blk_eval.old_name; |
3280af22 | 1769 | (void)hv_delete(GvHVn(PL_incgv), name, strlen(name), G_DISCARD); |
cea2e8a9 | 1770 | DIE(aTHX_ "%s did not return a true value", name); |
748a9306 | 1771 | } |
a0d0e21e | 1772 | break; |
7766f137 GS |
1773 | case CXt_FORMAT: |
1774 | POPFORMAT(cx); | |
1775 | break; | |
a0d0e21e | 1776 | default: |
cea2e8a9 | 1777 | DIE(aTHX_ "panic: return"); |
a0d0e21e LW |
1778 | } |
1779 | ||
a1f49e72 | 1780 | TAINT_NOT; |
a0d0e21e | 1781 | if (gimme == G_SCALAR) { |
a29cdaf0 IZ |
1782 | if (MARK < SP) { |
1783 | if (popsub2) { | |
a8bba7fa | 1784 | if (cx->blk_sub.cv && CvDEPTH(cx->blk_sub.cv) > 1) { |
a29cdaf0 IZ |
1785 | if (SvTEMP(TOPs)) { |
1786 | *++newsp = SvREFCNT_inc(*SP); | |
1787 | FREETMPS; | |
1788 | sv_2mortal(*newsp); | |
1789 | } else { | |
1790 | FREETMPS; | |
1791 | *++newsp = sv_mortalcopy(*SP); | |
1792 | } | |
1793 | } else | |
1794 | *++newsp = (SvTEMP(*SP)) ? *SP : sv_mortalcopy(*SP); | |
1795 | } else | |
1796 | *++newsp = sv_mortalcopy(*SP); | |
1797 | } else | |
3280af22 | 1798 | *++newsp = &PL_sv_undef; |
a0d0e21e | 1799 | } |
54310121 | 1800 | else if (gimme == G_ARRAY) { |
a1f49e72 | 1801 | while (++MARK <= SP) { |
f86702cc | 1802 | *++newsp = (popsub2 && SvTEMP(*MARK)) |
1803 | ? *MARK : sv_mortalcopy(*MARK); | |
a1f49e72 CS |
1804 | TAINT_NOT; /* Each item is independent */ |
1805 | } | |
a0d0e21e | 1806 | } |
3280af22 | 1807 | PL_stack_sp = newsp; |
a0d0e21e | 1808 | |
f86702cc | 1809 | /* Stack values are safe: */ |
1810 | if (popsub2) { | |
b0d9ce38 | 1811 | POPSUB(cx,sv); /* release CV and @_ ... */ |
f86702cc | 1812 | } |
b0d9ce38 GS |
1813 | else |
1814 | sv = Nullsv; | |
3280af22 | 1815 | PL_curpm = newpm; /* ... and pop $1 et al */ |
f86702cc | 1816 | |
a0d0e21e | 1817 | LEAVE; |
b0d9ce38 | 1818 | LEAVESUB(sv); |
a0d0e21e LW |
1819 | return pop_return(); |
1820 | } | |
1821 | ||
1822 | PP(pp_last) | |
1823 | { | |
4e35701f | 1824 | djSP; |
a0d0e21e | 1825 | I32 cxix; |
c09156bb | 1826 | register PERL_CONTEXT *cx; |
f86702cc | 1827 | I32 pop2 = 0; |
a0d0e21e LW |
1828 | I32 gimme; |
1829 | I32 optype; | |
1830 | OP *nextop; | |
1831 | SV **newsp; | |
1832 | PMOP *newpm; | |
a8bba7fa | 1833 | SV **mark; |
b0d9ce38 | 1834 | SV *sv = Nullsv; |
a0d0e21e | 1835 | |
533c011a | 1836 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
1837 | cxix = dopoptoloop(cxstack_ix); |
1838 | if (cxix < 0) | |
cea2e8a9 | 1839 | DIE(aTHX_ "Can't \"last\" outside a block"); |
a0d0e21e LW |
1840 | } |
1841 | else { | |
1842 | cxix = dopoptolabel(cPVOP->op_pv); | |
1843 | if (cxix < 0) | |
cea2e8a9 | 1844 | DIE(aTHX_ "Label not found for \"last %s\"", cPVOP->op_pv); |
a0d0e21e LW |
1845 | } |
1846 | if (cxix < cxstack_ix) | |
1847 | dounwind(cxix); | |
1848 | ||
1849 | POPBLOCK(cx,newpm); | |
a8bba7fa | 1850 | mark = newsp; |
6b35e009 | 1851 | switch (CxTYPE(cx)) { |
a0d0e21e | 1852 | case CXt_LOOP: |
f86702cc | 1853 | pop2 = CXt_LOOP; |
a8bba7fa GS |
1854 | newsp = PL_stack_base + cx->blk_loop.resetsp; |
1855 | nextop = cx->blk_loop.last_op->op_next; | |
a0d0e21e | 1856 | break; |
f86702cc | 1857 | case CXt_SUB: |
f86702cc | 1858 | pop2 = CXt_SUB; |
a0d0e21e LW |
1859 | nextop = pop_return(); |
1860 | break; | |
f86702cc | 1861 | case CXt_EVAL: |
1862 | POPEVAL(cx); | |
a0d0e21e LW |
1863 | nextop = pop_return(); |
1864 | break; | |
7766f137 GS |
1865 | case CXt_FORMAT: |
1866 | POPFORMAT(cx); | |
1867 | nextop = pop_return(); | |
1868 | break; | |
a0d0e21e | 1869 | default: |
cea2e8a9 | 1870 | DIE(aTHX_ "panic: last"); |
a0d0e21e LW |
1871 | } |
1872 | ||
a1f49e72 | 1873 | TAINT_NOT; |
a0d0e21e | 1874 | if (gimme == G_SCALAR) { |
f86702cc | 1875 | if (MARK < SP) |
1876 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*SP)) | |
1877 | ? *SP : sv_mortalcopy(*SP); | |
a0d0e21e | 1878 | else |
3280af22 | 1879 | *++newsp = &PL_sv_undef; |
a0d0e21e | 1880 | } |
54310121 | 1881 | else if (gimme == G_ARRAY) { |
a1f49e72 | 1882 | while (++MARK <= SP) { |
f86702cc | 1883 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*MARK)) |
1884 | ? *MARK : sv_mortalcopy(*MARK); | |
a1f49e72 CS |
1885 | TAINT_NOT; /* Each item is independent */ |
1886 | } | |
f86702cc | 1887 | } |
1888 | SP = newsp; | |
1889 | PUTBACK; | |
1890 | ||
1891 | /* Stack values are safe: */ | |
1892 | switch (pop2) { | |
1893 | case CXt_LOOP: | |
a8bba7fa | 1894 | POPLOOP(cx); /* release loop vars ... */ |
4fdae800 | 1895 | LEAVE; |
f86702cc | 1896 | break; |
1897 | case CXt_SUB: | |
b0d9ce38 | 1898 | POPSUB(cx,sv); /* release CV and @_ ... */ |
f86702cc | 1899 | break; |
a0d0e21e | 1900 | } |
3280af22 | 1901 | PL_curpm = newpm; /* ... and pop $1 et al */ |
a0d0e21e LW |
1902 | |
1903 | LEAVE; | |
b0d9ce38 | 1904 | LEAVESUB(sv); |
f86702cc | 1905 | return nextop; |
a0d0e21e LW |
1906 | } |
1907 | ||
1908 | PP(pp_next) | |
1909 | { | |
1910 | I32 cxix; | |
c09156bb | 1911 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1912 | I32 oldsave; |
1913 | ||
533c011a | 1914 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
1915 | cxix = dopoptoloop(cxstack_ix); |
1916 | if (cxix < 0) | |
cea2e8a9 | 1917 | DIE(aTHX_ "Can't \"next\" outside a block"); |
a0d0e21e LW |
1918 | } |
1919 | else { | |
1920 | cxix = dopoptolabel(cPVOP->op_pv); | |
1921 | if (cxix < 0) | |
cea2e8a9 | 1922 | DIE(aTHX_ "Label not found for \"next %s\"", cPVOP->op_pv); |
a0d0e21e LW |
1923 | } |
1924 | if (cxix < cxstack_ix) | |
1925 | dounwind(cxix); | |
1926 | ||
1927 | TOPBLOCK(cx); | |
3280af22 | 1928 | oldsave = PL_scopestack[PL_scopestack_ix - 1]; |
a0d0e21e LW |
1929 | LEAVE_SCOPE(oldsave); |
1930 | return cx->blk_loop.next_op; | |
1931 | } | |
1932 | ||
1933 | PP(pp_redo) | |
1934 | { | |
1935 | I32 cxix; | |
c09156bb | 1936 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1937 | I32 oldsave; |
1938 | ||
533c011a | 1939 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
1940 | cxix = dopoptoloop(cxstack_ix); |
1941 | if (cxix < 0) | |
cea2e8a9 | 1942 | DIE(aTHX_ "Can't \"redo\" outside a block"); |
a0d0e21e LW |
1943 | } |
1944 | else { | |
1945 | cxix = dopoptolabel(cPVOP->op_pv); | |
1946 | if (cxix < 0) | |
cea2e8a9 | 1947 | DIE(aTHX_ "Label not found for \"redo %s\"", cPVOP->op_pv); |
a0d0e21e LW |
1948 | } |
1949 | if (cxix < cxstack_ix) | |
1950 | dounwind(cxix); | |
1951 | ||
1952 | TOPBLOCK(cx); | |
3280af22 | 1953 | oldsave = PL_scopestack[PL_scopestack_ix - 1]; |
a0d0e21e LW |
1954 | LEAVE_SCOPE(oldsave); |
1955 | return cx->blk_loop.redo_op; | |
1956 | } | |
1957 | ||
0824fdcb | 1958 | STATIC OP * |
cea2e8a9 | 1959 | S_dofindlabel(pTHX_ OP *o, char *label, OP **opstack, OP **oplimit) |
a0d0e21e LW |
1960 | { |
1961 | OP *kid; | |
1962 | OP **ops = opstack; | |
fc36a67e | 1963 | static char too_deep[] = "Target of goto is too deeply nested"; |
a0d0e21e | 1964 | |
fc36a67e | 1965 | if (ops >= oplimit) |
cea2e8a9 | 1966 | Perl_croak(aTHX_ too_deep); |
11343788 MB |
1967 | if (o->op_type == OP_LEAVE || |
1968 | o->op_type == OP_SCOPE || | |
1969 | o->op_type == OP_LEAVELOOP || | |
1970 | o->op_type == OP_LEAVETRY) | |
fc36a67e | 1971 | { |
5dc0d613 | 1972 | *ops++ = cUNOPo->op_first; |
fc36a67e | 1973 | if (ops >= oplimit) |
cea2e8a9 | 1974 | Perl_croak(aTHX_ too_deep); |
fc36a67e | 1975 | } |
c4aa4e48 | 1976 | *ops = 0; |
11343788 | 1977 | if (o->op_flags & OPf_KIDS) { |
5c0ca799 | 1978 | dTHR; |
a0d0e21e | 1979 | /* First try all the kids at this level, since that's likeliest. */ |
11343788 | 1980 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
c4aa4e48 GS |
1981 | if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) && |
1982 | kCOP->cop_label && strEQ(kCOP->cop_label, label)) | |
a0d0e21e LW |
1983 | return kid; |
1984 | } | |
11343788 | 1985 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
3280af22 | 1986 | if (kid == PL_lastgotoprobe) |
a0d0e21e | 1987 | continue; |
c4aa4e48 GS |
1988 | if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) && |
1989 | (ops == opstack || | |
1990 | (ops[-1]->op_type != OP_NEXTSTATE && | |
1991 | ops[-1]->op_type != OP_DBSTATE))) | |
fc36a67e | 1992 | *ops++ = kid; |
5dc0d613 | 1993 | if (o = dofindlabel(kid, label, ops, oplimit)) |
11343788 | 1994 | return o; |
a0d0e21e LW |
1995 | } |
1996 | } | |
c4aa4e48 | 1997 | *ops = 0; |
a0d0e21e LW |
1998 | return 0; |
1999 | } | |
2000 | ||
2001 | PP(pp_dump) | |
2002 | { | |
cea2e8a9 | 2003 | return pp_goto(); |
a0d0e21e LW |
2004 | /*NOTREACHED*/ |
2005 | } | |
2006 | ||
2007 | PP(pp_goto) | |
2008 | { | |
4e35701f | 2009 | djSP; |
a0d0e21e LW |
2010 | OP *retop = 0; |
2011 | I32 ix; | |
c09156bb | 2012 | register PERL_CONTEXT *cx; |
fc36a67e | 2013 | #define GOTO_DEPTH 64 |
2014 | OP *enterops[GOTO_DEPTH]; | |
a0d0e21e | 2015 | char *label; |
533c011a | 2016 | int do_dump = (PL_op->op_type == OP_DUMP); |
1614b0e3 | 2017 | static char must_have_label[] = "goto must have label"; |
a0d0e21e LW |
2018 | |
2019 | label = 0; | |
533c011a | 2020 | if (PL_op->op_flags & OPf_STACKED) { |
a0d0e21e | 2021 | SV *sv = POPs; |
2d8e6c8d | 2022 | STRLEN n_a; |
a0d0e21e LW |
2023 | |
2024 | /* This egregious kludge implements goto &subroutine */ | |
2025 | if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) { | |
2026 | I32 cxix; | |
c09156bb | 2027 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
2028 | CV* cv = (CV*)SvRV(sv); |
2029 | SV** mark; | |
2030 | I32 items = 0; | |
2031 | I32 oldsave; | |
2032 | ||
e8f7dd13 | 2033 | retry: |
4aa0a1f7 | 2034 | if (!CvROOT(cv) && !CvXSUB(cv)) { |
e8f7dd13 GS |
2035 | GV *gv = CvGV(cv); |
2036 | GV *autogv; | |
2037 | if (gv) { | |
2038 | SV *tmpstr; | |
2039 | /* autoloaded stub? */ | |
2040 | if (cv != GvCV(gv) && (cv = GvCV(gv))) | |
2041 | goto retry; | |
2042 | autogv = gv_autoload4(GvSTASH(gv), GvNAME(gv), | |
2043 | GvNAMELEN(gv), FALSE); | |
2044 | if (autogv && (cv = GvCV(autogv))) | |
2045 | goto retry; | |
2046 | tmpstr = sv_newmortal(); | |
2047 | gv_efullname3(tmpstr, gv, Nullch); | |
cea2e8a9 | 2048 | DIE(aTHX_ "Goto undefined subroutine &%s",SvPVX(tmpstr)); |
4aa0a1f7 | 2049 | } |
cea2e8a9 | 2050 | DIE(aTHX_ "Goto undefined subroutine"); |
4aa0a1f7 AD |
2051 | } |
2052 | ||
a0d0e21e LW |
2053 | /* First do some returnish stuff. */ |
2054 | cxix = dopoptosub(cxstack_ix); | |
2055 | if (cxix < 0) | |
cea2e8a9 | 2056 | DIE(aTHX_ "Can't goto subroutine outside a subroutine"); |
a0d0e21e LW |
2057 | if (cxix < cxstack_ix) |
2058 | dounwind(cxix); | |
2059 | TOPBLOCK(cx); | |
6b35e009 | 2060 | if (CxTYPE(cx) == CXt_EVAL && cx->blk_eval.old_op_type == OP_ENTEREVAL) |
cea2e8a9 | 2061 | DIE(aTHX_ "Can't goto subroutine from an eval-string"); |
3280af22 | 2062 | mark = PL_stack_sp; |
d8b46c1b GS |
2063 | if (CxTYPE(cx) == CXt_SUB && cx->blk_sub.hasargs) { |
2064 | /* put @_ back onto stack */ | |
a0d0e21e LW |
2065 | AV* av = cx->blk_sub.argarray; |
2066 | ||
93965878 | 2067 | items = AvFILLp(av) + 1; |
3280af22 NIS |
2068 | PL_stack_sp++; |
2069 | EXTEND(PL_stack_sp, items); /* @_ could have been extended. */ | |
2070 | Copy(AvARRAY(av), PL_stack_sp, items, SV*); | |
2071 | PL_stack_sp += items; | |
6d4ff0d2 | 2072 | #ifndef USE_THREADS |
3280af22 NIS |
2073 | SvREFCNT_dec(GvAV(PL_defgv)); |
2074 | GvAV(PL_defgv) = cx->blk_sub.savearray; | |
6d4ff0d2 | 2075 | #endif /* USE_THREADS */ |
d8b46c1b | 2076 | /* abandon @_ if it got reified */ |
62b1ebc2 | 2077 | if (AvREAL(av)) { |
d8b46c1b GS |
2078 | (void)sv_2mortal((SV*)av); /* delay until return */ |
2079 | av = newAV(); | |
2080 | av_extend(av, items-1); | |
2081 | AvFLAGS(av) = AVf_REIFY; | |
2082 | PL_curpad[0] = (SV*)(cx->blk_sub.argarray = av); | |
62b1ebc2 | 2083 | } |
a0d0e21e | 2084 | } |
1fa4e549 AD |
2085 | else if (CvXSUB(cv)) { /* put GvAV(defgv) back onto stack */ |
2086 | AV* av; | |
2087 | int i; | |
2088 | #ifdef USE_THREADS | |
533c011a | 2089 | av = (AV*)PL_curpad[0]; |
1fa4e549 | 2090 | #else |
3280af22 | 2091 | av = GvAV(PL_defgv); |
1fa4e549 AD |
2092 | #endif |
2093 | items = AvFILLp(av) + 1; | |
3280af22 NIS |
2094 | PL_stack_sp++; |
2095 | EXTEND(PL_stack_sp, items); /* @_ could have been extended. */ | |
2096 | Copy(AvARRAY(av), PL_stack_sp, items, SV*); | |
2097 | PL_stack_sp += items; | |
1fa4e549 | 2098 | } |
6b35e009 | 2099 | if (CxTYPE(cx) == CXt_SUB && |
b150fb22 | 2100 | !(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth)) |
a0d0e21e | 2101 | SvREFCNT_dec(cx->blk_sub.cv); |
3280af22 | 2102 | oldsave = PL_scopestack[PL_scopestack_ix - 1]; |
a0d0e21e LW |
2103 | LEAVE_SCOPE(oldsave); |
2104 | ||
2105 | /* Now do some callish stuff. */ | |
2106 | SAVETMPS; | |
2107 | if (CvXSUB(cv)) { | |
67caa1fe | 2108 | #ifdef PERL_XSUB_OLDSTYLE |
a0d0e21e | 2109 | if (CvOLDSTYLE(cv)) { |
20ce7b12 | 2110 | I32 (*fp3)(int,int,int); |
924508f0 GS |
2111 | while (SP > mark) { |
2112 | SP[1] = SP[0]; | |
2113 | SP--; | |
a0d0e21e | 2114 | } |
7766f137 | 2115 | fp3 = (I32(*)(int,int,int))CvXSUB(cv); |
ecfc5424 | 2116 | items = (*fp3)(CvXSUBANY(cv).any_i32, |
3280af22 | 2117 | mark - PL_stack_base + 1, |
ecfc5424 | 2118 | items); |
3280af22 | 2119 | SP = PL_stack_base + items; |
a0d0e21e | 2120 | } |
67caa1fe GS |
2121 | else |
2122 | #endif /* PERL_XSUB_OLDSTYLE */ | |
2123 | { | |
1fa4e549 AD |
2124 | SV **newsp; |
2125 | I32 gimme; | |
2126 | ||
3280af22 | 2127 | PL_stack_sp--; /* There is no cv arg. */ |
1fa4e549 AD |
2128 | /* Push a mark for the start of arglist */ |
2129 | PUSHMARK(mark); | |
0cb96387 | 2130 | (void)(*CvXSUB(cv))(aTHXo_ cv); |
1fa4e549 | 2131 | /* Pop the current context like a decent sub should */ |
3280af22 | 2132 | POPBLOCK(cx, PL_curpm); |
1fa4e549 | 2133 | /* Do _not_ use PUTBACK, keep the XSUB's return stack! */ |
a0d0e21e LW |
2134 | } |
2135 | LEAVE; | |
2136 | return pop_return(); | |
2137 | } | |
2138 | else { | |
2139 | AV* padlist = CvPADLIST(cv); | |
2140 | SV** svp = AvARRAY(padlist); | |
6b35e009 | 2141 | if (CxTYPE(cx) == CXt_EVAL) { |
3280af22 NIS |
2142 | PL_in_eval = cx->blk_eval.old_in_eval; |
2143 | PL_eval_root = cx->blk_eval.old_eval_root; | |
b150fb22 RH |
2144 | cx->cx_type = CXt_SUB; |
2145 | cx->blk_sub.hasargs = 0; | |
2146 | } | |
a0d0e21e LW |
2147 | cx->blk_sub.cv = cv; |
2148 | cx->blk_sub.olddepth = CvDEPTH(cv); | |
2149 | CvDEPTH(cv)++; | |
2150 | if (CvDEPTH(cv) < 2) | |
2151 | (void)SvREFCNT_inc(cv); | |
2152 | else { /* save temporaries on recursion? */ | |
599cee73 | 2153 | if (CvDEPTH(cv) == 100 && ckWARN(WARN_RECURSION)) |
44a8e56a | 2154 | sub_crush_depth(cv); |
93965878 | 2155 | if (CvDEPTH(cv) > AvFILLp(padlist)) { |
a0d0e21e | 2156 | AV *newpad = newAV(); |
4aa0a1f7 | 2157 | SV **oldpad = AvARRAY(svp[CvDEPTH(cv)-1]); |
93965878 | 2158 | I32 ix = AvFILLp((AV*)svp[1]); |
7766f137 | 2159 | I32 names_fill = AvFILLp((AV*)svp[0]); |
a0d0e21e | 2160 | svp = AvARRAY(svp[0]); |
748a9306 | 2161 | for ( ;ix > 0; ix--) { |
7766f137 | 2162 | if (names_fill >= ix && svp[ix] != &PL_sv_undef) { |
748a9306 | 2163 | char *name = SvPVX(svp[ix]); |
5f05dabc | 2164 | if ((SvFLAGS(svp[ix]) & SVf_FAKE) |
2165 | || *name == '&') | |
2166 | { | |
2167 | /* outer lexical or anon code */ | |
748a9306 | 2168 | av_store(newpad, ix, |
4aa0a1f7 | 2169 | SvREFCNT_inc(oldpad[ix]) ); |
748a9306 LW |
2170 | } |
2171 | else { /* our own lexical */ | |
2172 | if (*name == '@') | |
2173 | av_store(newpad, ix, sv = (SV*)newAV()); | |
2174 | else if (*name == '%') | |
2175 | av_store(newpad, ix, sv = (SV*)newHV()); | |
2176 | else | |
2177 | av_store(newpad, ix, sv = NEWSV(0,0)); | |
2178 | SvPADMY_on(sv); | |
2179 | } | |
a0d0e21e | 2180 | } |
7766f137 | 2181 | else if (IS_PADGV(oldpad[ix]) || IS_PADCONST(oldpad[ix])) { |
743e66e6 GS |
2182 | av_store(newpad, ix, sv = SvREFCNT_inc(oldpad[ix])); |
2183 | } | |
a0d0e21e | 2184 | else { |
748a9306 | 2185 | av_store(newpad, ix, sv = NEWSV(0,0)); |
a0d0e21e LW |
2186 | SvPADTMP_on(sv); |
2187 | } | |
2188 | } | |
2189 | if (cx->blk_sub.hasargs) { | |
2190 | AV* av = newAV(); | |
2191 | av_extend(av, 0); | |
2192 | av_store(newpad, 0, (SV*)av); | |
2193 | AvFLAGS(av) = AVf_REIFY; | |
2194 | } | |
2195 | av_store(padlist, CvDEPTH(cv), (SV*)newpad); | |
93965878 | 2196 | AvFILLp(padlist) = CvDEPTH(cv); |
a0d0e21e LW |
2197 | svp = AvARRAY(padlist); |
2198 | } | |
2199 | } | |
6d4ff0d2 MB |
2200 | #ifdef USE_THREADS |
2201 | if (!cx->blk_sub.hasargs) { | |
533c011a | 2202 | AV* av = (AV*)PL_curpad[0]; |
6d4ff0d2 | 2203 | |
93965878 | 2204 | items = AvFILLp(av) + 1; |
6d4ff0d2 MB |
2205 | if (items) { |
2206 | /* Mark is at the end of the stack. */ | |
924508f0 GS |
2207 | EXTEND(SP, items); |
2208 | Copy(AvARRAY(av), SP + 1, items, SV*); | |
2209 | SP += items; | |
6d4ff0d2 MB |
2210 | PUTBACK ; |
2211 | } | |
2212 | } | |
2213 | #endif /* USE_THREADS */ | |
7766f137 | 2214 | SAVEVPTR(PL_curpad); |
3280af22 | 2215 | PL_curpad = AvARRAY((AV*)svp[CvDEPTH(cv)]); |
6d4ff0d2 MB |
2216 | #ifndef USE_THREADS |
2217 | if (cx->blk_sub.hasargs) | |
2218 | #endif /* USE_THREADS */ | |
2219 | { | |
3280af22 | 2220 | AV* av = (AV*)PL_curpad[0]; |
a0d0e21e LW |
2221 | SV** ary; |
2222 | ||
6d4ff0d2 | 2223 | #ifndef USE_THREADS |
3280af22 NIS |
2224 | cx->blk_sub.savearray = GvAV(PL_defgv); |
2225 | GvAV(PL_defgv) = (AV*)SvREFCNT_inc(av); | |
6d4ff0d2 MB |
2226 | #endif /* USE_THREADS */ |
2227 | cx->blk_sub.argarray = av; | |
a0d0e21e LW |
2228 | ++mark; |
2229 | ||
2230 | if (items >= AvMAX(av) + 1) { | |
2231 | ary = AvALLOC(av); | |
2232 | if (AvARRAY(av) != ary) { | |
2233 | AvMAX(av) += AvARRAY(av) - AvALLOC(av); | |
2234 | SvPVX(av) = (char*)ary; | |
2235 | } | |
2236 | if (items >= AvMAX(av) + 1) { | |
2237 | AvMAX(av) = items - 1; | |
2238 | Renew(ary,items+1,SV*); | |
2239 | AvALLOC(av) = ary; | |
2240 | SvPVX(av) = (char*)ary; | |
2241 | } | |
2242 | } | |
2243 | Copy(mark,AvARRAY(av),items,SV*); | |
93965878 | 2244 | AvFILLp(av) = items - 1; |
d8b46c1b | 2245 | assert(!AvREAL(av)); |
a0d0e21e LW |
2246 | while (items--) { |
2247 | if (*mark) | |
2248 | SvTEMP_off(*mark); | |
2249 | mark++; | |
2250 | } | |
2251 | } | |
491527d0 | 2252 | if (PERLDB_SUB) { /* Checking curstash breaks DProf. */ |
44a8e56a | 2253 | /* |
2254 | * We do not care about using sv to call CV; | |
2255 | * it's for informational purposes only. | |
2256 | */ | |
3280af22 | 2257 | SV *sv = GvSV(PL_DBsub); |
491527d0 GS |
2258 | CV *gotocv; |
2259 | ||
2260 | if (PERLDB_SUB_NN) { | |
56431972 | 2261 | SvIVX(sv) = PTR2IV(cv); /* Already upgraded, saved */ |
491527d0 GS |
2262 | } else { |
2263 | save_item(sv); | |
2264 | gv_efullname3(sv, CvGV(cv), Nullch); | |
2265 | } | |
2266 | if ( PERLDB_GOTO | |
864dbfa3 | 2267 | && (gotocv = get_cv("DB::goto", FALSE)) ) { |
3280af22 | 2268 | PUSHMARK( PL_stack_sp ); |
864dbfa3 | 2269 | call_sv((SV*)gotocv, G_SCALAR | G_NODEBUG); |
3280af22 | 2270 | PL_stack_sp--; |
491527d0 | 2271 | } |
1ce6579f | 2272 | } |
a0d0e21e LW |
2273 | RETURNOP(CvSTART(cv)); |
2274 | } | |
2275 | } | |
1614b0e3 | 2276 | else { |
2d8e6c8d | 2277 | label = SvPV(sv,n_a); |
1614b0e3 | 2278 | if (!(do_dump || *label)) |
cea2e8a9 | 2279 | DIE(aTHX_ must_have_label); |
1614b0e3 | 2280 | } |
a0d0e21e | 2281 | } |
533c011a | 2282 | else if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e | 2283 | if (! do_dump) |
cea2e8a9 | 2284 | DIE(aTHX_ must_have_label); |
a0d0e21e LW |
2285 | } |
2286 | else | |
2287 | label = cPVOP->op_pv; | |
2288 | ||
2289 | if (label && *label) { | |
2290 | OP *gotoprobe = 0; | |
2291 | ||
2292 | /* find label */ | |
2293 | ||
3280af22 | 2294 | PL_lastgotoprobe = 0; |
a0d0e21e LW |
2295 | *enterops = 0; |
2296 | for (ix = cxstack_ix; ix >= 0; ix--) { | |
2297 | cx = &cxstack[ix]; | |
6b35e009 | 2298 | switch (CxTYPE(cx)) { |
a0d0e21e | 2299 | case CXt_EVAL: |
3280af22 | 2300 | gotoprobe = PL_eval_root; /* XXX not good for nested eval */ |
a0d0e21e LW |
2301 | break; |
2302 | case CXt_LOOP: | |
2303 | gotoprobe = cx->blk_oldcop->op_sibling; | |
2304 | break; | |
2305 | case CXt_SUBST: | |
2306 | continue; | |
2307 | case CXt_BLOCK: | |
2308 | if (ix) | |
2309 | gotoprobe = cx->blk_oldcop->op_sibling; | |
2310 | else | |
3280af22 | 2311 | gotoprobe = PL_main_root; |
a0d0e21e | 2312 | break; |
b3933176 CS |
2313 | case CXt_SUB: |
2314 | if (CvDEPTH(cx->blk_sub.cv)) { | |
2315 | gotoprobe = CvROOT(cx->blk_sub.cv); | |
2316 | break; | |
2317 | } | |
2318 | /* FALL THROUGH */ | |
7766f137 | 2319 | case CXt_FORMAT: |
0a753a76 | 2320 | case CXt_NULL: |
cea2e8a9 | 2321 | DIE(aTHX_ "Can't \"goto\" outside a block"); |
a0d0e21e LW |
2322 | default: |
2323 | if (ix) | |
cea2e8a9 | 2324 | DIE(aTHX_ "panic: goto"); |
3280af22 | 2325 | gotoprobe = PL_main_root; |
a0d0e21e LW |
2326 | break; |
2327 | } | |
fc36a67e | 2328 | retop = dofindlabel(gotoprobe, label, |
2329 | enterops, enterops + GOTO_DEPTH); | |
a0d0e21e LW |
2330 | if (retop) |
2331 | break; | |
3280af22 | 2332 | PL_lastgotoprobe = gotoprobe; |
a0d0e21e LW |
2333 | } |
2334 | if (!retop) | |
cea2e8a9 | 2335 | DIE(aTHX_ "Can't find label %s", label); |
a0d0e21e LW |
2336 | |
2337 | /* pop unwanted frames */ | |
2338 | ||
2339 | if (ix < cxstack_ix) { | |
2340 | I32 oldsave; | |
2341 | ||
2342 | if (ix < 0) | |
2343 | ix = 0; | |
2344 | dounwind(ix); | |
2345 | TOPBLOCK(cx); | |
3280af22 | 2346 | oldsave = PL_scopestack[PL_scopestack_ix]; |
a0d0e21e LW |
2347 | LEAVE_SCOPE(oldsave); |
2348 | } | |
2349 | ||
2350 | /* push wanted frames */ | |
2351 | ||
748a9306 | 2352 | if (*enterops && enterops[1]) { |
533c011a | 2353 | OP *oldop = PL_op; |
748a9306 | 2354 | for (ix = 1; enterops[ix]; ix++) { |
533c011a | 2355 | PL_op = enterops[ix]; |
84902520 TB |
2356 | /* Eventually we may want to stack the needed arguments |
2357 | * for each op. For now, we punt on the hard ones. */ | |
533c011a | 2358 | if (PL_op->op_type == OP_ENTERITER) |
cea2e8a9 | 2359 | DIE(aTHX_ "Can't \"goto\" into the middle of a foreach loop", |
84902520 | 2360 | label); |
fc0dc3b3 | 2361 | CALL_FPTR(PL_op->op_ppaddr)(aTHX); |
a0d0e21e | 2362 | } |
533c011a | 2363 | PL_op = oldop; |
a0d0e21e LW |
2364 | } |
2365 | } | |
2366 | ||
2367 | if (do_dump) { | |
a5f75d66 | 2368 | #ifdef VMS |
6b88bc9c | 2369 | if (!retop) retop = PL_main_start; |
a5f75d66 | 2370 | #endif |
3280af22 NIS |
2371 | PL_restartop = retop; |
2372 | PL_do_undump = TRUE; | |
a0d0e21e LW |
2373 | |
2374 | my_unexec(); | |
2375 | ||
3280af22 NIS |
2376 | PL_restartop = 0; /* hmm, must be GNU unexec().. */ |
2377 | PL_do_undump = FALSE; | |
a0d0e21e LW |
2378 | } |
2379 | ||
2380 | RETURNOP(retop); | |
2381 | } | |
2382 | ||
2383 | PP(pp_exit) | |
2384 | { | |
4e35701f | 2385 | djSP; |
a0d0e21e LW |
2386 | I32 anum; |
2387 | ||
2388 | if (MAXARG < 1) | |
2389 | anum = 0; | |
ff0cee69 | 2390 | else { |
a0d0e21e | 2391 | anum = SvIVx(POPs); |
ff0cee69 | 2392 | #ifdef VMSISH_EXIT |
2393 | if (anum == 1 && VMSISH_EXIT) | |
2394 | anum = 0; | |
2395 | #endif | |
2396 | } | |
cc3604b1 | 2397 | PL_exit_flags |= PERL_EXIT_EXPECTED; |
a0d0e21e | 2398 | my_exit(anum); |
3280af22 | 2399 | PUSHs(&PL_sv_undef); |
a0d0e21e LW |
2400 | RETURN; |
2401 | } | |
2402 | ||
2403 | #ifdef NOTYET | |
2404 | PP(pp_nswitch) | |
2405 | { | |
4e35701f | 2406 | djSP; |
65202027 | 2407 | NV value = SvNVx(GvSV(cCOP->cop_gv)); |
a0d0e21e LW |
2408 | register I32 match = I_32(value); |
2409 | ||
2410 | if (value < 0.0) { | |
65202027 | 2411 | if (((NV)match) > value) |
a0d0e21e LW |
2412 | --match; /* was fractional--truncate other way */ |
2413 | } | |
2414 | match -= cCOP->uop.scop.scop_offset; | |
2415 | if (match < 0) | |
2416 | match = 0; | |
2417 | else if (match > cCOP->uop.scop.scop_max) | |
2418 | match = cCOP->uop.scop.scop_max; | |
6b88bc9c GS |
2419 | PL_op = cCOP->uop.scop.scop_next[match]; |
2420 | RETURNOP(PL_op); | |
a0d0e21e LW |
2421 | } |
2422 | ||
2423 | PP(pp_cswitch) | |
2424 | { | |
4e35701f | 2425 | djSP; |
a0d0e21e LW |
2426 | register I32 match; |
2427 | ||
6b88bc9c GS |
2428 | if (PL_multiline) |
2429 | PL_op = PL_op->op_next; /* can't assume anything */ | |
a0d0e21e | 2430 | else { |
2d8e6c8d GS |
2431 | STRLEN n_a; |
2432 | match = *(SvPVx(GvSV(cCOP->cop_gv), n_a)) & 255; | |
a0d0e21e LW |
2433 | match -= cCOP->uop.scop.scop_offset; |
2434 | if (match < 0) | |
2435 | match = 0; | |
2436 | else if (match > cCOP->uop.scop.scop_max) | |
2437 | match = cCOP->uop.scop.scop_max; | |
6b88bc9c | 2438 | PL_op = cCOP->uop.scop.scop_next[match]; |
a0d0e21e | 2439 | } |
6b88bc9c | 2440 | RETURNOP(PL_op); |
a0d0e21e LW |
2441 | } |
2442 | #endif | |
2443 | ||
2444 | /* Eval. */ | |
2445 | ||
0824fdcb | 2446 | STATIC void |
cea2e8a9 | 2447 | S_save_lines(pTHX_ AV *array, SV *sv) |
a0d0e21e LW |
2448 | { |
2449 | register char *s = SvPVX(sv); | |
2450 | register char *send = SvPVX(sv) + SvCUR(sv); | |
2451 | register char *t; | |
2452 | register I32 line = 1; | |
2453 | ||
2454 | while (s && s < send) { | |
2455 | SV *tmpstr = NEWSV(85,0); | |
2456 | ||
2457 | sv_upgrade(tmpstr, SVt_PVMG); | |
2458 | t = strchr(s, '\n'); | |
2459 | if (t) | |
2460 | t++; | |
2461 | else | |
2462 | t = send; | |
2463 | ||
2464 | sv_setpvn(tmpstr, s, t - s); | |
2465 | av_store(array, line++, tmpstr); | |
2466 | s = t; | |
2467 | } | |
2468 | } | |
2469 | ||
312caa8e | 2470 | STATIC void * |
cea2e8a9 | 2471 | S_docatch_body(pTHX_ va_list args) |
312caa8e | 2472 | { |
cea2e8a9 | 2473 | CALLRUNOPS(aTHX); |
312caa8e CS |
2474 | return NULL; |
2475 | } | |
2476 | ||
0824fdcb | 2477 | STATIC OP * |
cea2e8a9 | 2478 | S_docatch(pTHX_ OP *o) |
1e422769 | 2479 | { |
e858de61 | 2480 | dTHR; |
6224f72b | 2481 | int ret; |
533c011a | 2482 | OP *oldop = PL_op; |
0cdb2077 | 2483 | volatile PERL_SI *cursi = PL_curstackinfo; |
db36c5a1 | 2484 | dJMPENV; |
1e422769 | 2485 | |
1e422769 | 2486 | #ifdef DEBUGGING |
54310121 | 2487 | assert(CATCH_GET == TRUE); |
1e422769 | 2488 | #endif |
312caa8e CS |
2489 | PL_op = o; |
2490 | redo_body: | |
db36c5a1 | 2491 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_docatch_body)); |
6224f72b | 2492 | switch (ret) { |
312caa8e CS |
2493 | case 0: |
2494 | break; | |
2495 | case 3: | |
0cdb2077 | 2496 | if (PL_restartop && cursi == PL_curstackinfo) { |
312caa8e CS |
2497 | PL_op = PL_restartop; |
2498 | PL_restartop = 0; | |
2499 | goto redo_body; | |
2500 | } | |
2501 | /* FALL THROUGH */ | |
2502 | default: | |
533c011a | 2503 | PL_op = oldop; |
6224f72b | 2504 | JMPENV_JUMP(ret); |
1e422769 | 2505 | /* NOTREACHED */ |
1e422769 | 2506 | } |
533c011a | 2507 | PL_op = oldop; |
1e422769 | 2508 | return Nullop; |
2509 | } | |
2510 | ||
c277df42 | 2511 | OP * |
864dbfa3 | 2512 | Perl_sv_compile_2op(pTHX_ SV *sv, OP** startop, char *code, AV** avp) |
c277df42 IZ |
2513 | /* sv Text to convert to OP tree. */ |
2514 | /* startop op_free() this to undo. */ | |
2515 | /* code Short string id of the caller. */ | |
2516 | { | |
2517 | dSP; /* Make POPBLOCK work. */ | |
2518 | PERL_CONTEXT *cx; | |
2519 | SV **newsp; | |
f987c7de | 2520 | I32 gimme = 0; /* SUSPECT - INITIALZE TO WHAT? NI-S */ |
c277df42 IZ |
2521 | I32 optype; |
2522 | OP dummy; | |
533c011a | 2523 | OP *oop = PL_op, *rop; |
c277df42 IZ |
2524 | char tmpbuf[TYPE_DIGITS(long) + 12 + 10]; |
2525 | char *safestr; | |
2526 | ||
2527 | ENTER; | |
2528 | lex_start(sv); | |
2529 | SAVETMPS; | |
2530 | /* switch to eval mode */ | |
2531 | ||
cbce877f | 2532 | if (PL_curcop == &PL_compiling) { |
11faa288 GS |
2533 | SAVECOPSTASH(&PL_compiling); |
2534 | CopSTASH_set(&PL_compiling, PL_curstash); | |
cbce877f | 2535 | } |
57843af0 GS |
2536 | SAVECOPFILE(&PL_compiling); |
2537 | SAVECOPLINE(&PL_compiling); | |
3280af22 | 2538 | sprintf(tmpbuf, "_<(%.10s_eval %lu)", code, (unsigned long)++PL_evalseq); |
57843af0 GS |
2539 | CopFILE_set(&PL_compiling, tmpbuf+2); |
2540 | CopLINE_set(&PL_compiling, 1); | |
c277df42 IZ |
2541 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
2542 | deleting the eval's FILEGV from the stash before gv_check() runs | |
2543 | (i.e. before run-time proper). To work around the coredump that | |
2544 | ensues, we always turn GvMULTI_on for any globals that were | |
2545 | introduced within evals. See force_ident(). GSAR 96-10-12 */ | |
2546 | safestr = savepv(tmpbuf); | |
3280af22 | 2547 | SAVEDELETE(PL_defstash, safestr, strlen(safestr)); |
b3ac6de7 | 2548 | SAVEHINTS(); |
d1ca3daa | 2549 | #ifdef OP_IN_REGISTER |
6b88bc9c | 2550 | PL_opsave = op; |
d1ca3daa | 2551 | #else |
7766f137 | 2552 | SAVEVPTR(PL_op); |
d1ca3daa | 2553 | #endif |
3280af22 | 2554 | PL_hints = 0; |
c277df42 | 2555 | |
533c011a | 2556 | PL_op = &dummy; |
13b51b79 | 2557 | PL_op->op_type = OP_ENTEREVAL; |
533c011a | 2558 | PL_op->op_flags = 0; /* Avoid uninit warning. */ |
c277df42 | 2559 | PUSHBLOCK(cx, CXt_EVAL, SP); |
cc49e20b | 2560 | PUSHEVAL(cx, 0, Nullgv); |
c277df42 | 2561 | rop = doeval(G_SCALAR, startop); |
13b51b79 | 2562 | POPBLOCK(cx,PL_curpm); |
e84b9f1f | 2563 | POPEVAL(cx); |
c277df42 IZ |
2564 | |
2565 | (*startop)->op_type = OP_NULL; | |
22c35a8c | 2566 | (*startop)->op_ppaddr = PL_ppaddr[OP_NULL]; |
c277df42 | 2567 | lex_end(); |
3280af22 | 2568 | *avp = (AV*)SvREFCNT_inc(PL_comppad); |
c277df42 | 2569 | LEAVE; |
13b51b79 | 2570 | if (PL_curcop == &PL_compiling) |
a0ed51b3 | 2571 | PL_compiling.op_private = PL_hints; |
d1ca3daa | 2572 | #ifdef OP_IN_REGISTER |
6b88bc9c | 2573 | op = PL_opsave; |
d1ca3daa | 2574 | #endif |
c277df42 IZ |
2575 | return rop; |
2576 | } | |
2577 | ||
0f15f207 | 2578 | /* With USE_THREADS, eval_owner must be held on entry to doeval */ |
0824fdcb | 2579 | STATIC OP * |
cea2e8a9 | 2580 | S_doeval(pTHX_ int gimme, OP** startop) |
a0d0e21e LW |
2581 | { |
2582 | dSP; | |
533c011a | 2583 | OP *saveop = PL_op; |
ff3ff8d1 | 2584 | CV *caller; |
748a9306 | 2585 | AV* comppadlist; |
67a38de0 | 2586 | I32 i; |
a0d0e21e | 2587 | |
faef0170 | 2588 | PL_in_eval = EVAL_INEVAL; |
a0d0e21e | 2589 | |
1ce6579f | 2590 | PUSHMARK(SP); |
2591 | ||
a0d0e21e LW |
2592 | /* set up a scratch pad */ |
2593 | ||
3280af22 | 2594 | SAVEI32(PL_padix); |
7766f137 | 2595 | SAVEVPTR(PL_curpad); |
3280af22 NIS |
2596 | SAVESPTR(PL_comppad); |
2597 | SAVESPTR(PL_comppad_name); | |
2598 | SAVEI32(PL_comppad_name_fill); | |
2599 | SAVEI32(PL_min_intro_pending); | |
2600 | SAVEI32(PL_max_intro_pending); | |
748a9306 | 2601 | |
3280af22 | 2602 | caller = PL_compcv; |
6b35e009 | 2603 | for (i = cxstack_ix - 1; i >= 0; i--) { |
67a38de0 | 2604 | PERL_CONTEXT *cx = &cxstack[i]; |
6b35e009 | 2605 | if (CxTYPE(cx) == CXt_EVAL) |
67a38de0 | 2606 | break; |
7766f137 | 2607 | else if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
67a38de0 NIS |
2608 | caller = cx->blk_sub.cv; |
2609 | break; | |
2610 | } | |
2611 | } | |
2612 | ||
3280af22 NIS |
2613 | SAVESPTR(PL_compcv); |
2614 | PL_compcv = (CV*)NEWSV(1104,0); | |
2615 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
1aff0e91 | 2616 | CvEVAL_on(PL_compcv); |
11343788 | 2617 | #ifdef USE_THREADS |
533c011a NIS |
2618 | CvOWNER(PL_compcv) = 0; |
2619 | New(666, CvMUTEXP(PL_compcv), 1, perl_mutex); | |
2620 | MUTEX_INIT(CvMUTEXP(PL_compcv)); | |
11343788 | 2621 | #endif /* USE_THREADS */ |
748a9306 | 2622 | |
3280af22 NIS |
2623 | PL_comppad = newAV(); |
2624 | av_push(PL_comppad, Nullsv); | |
2625 | PL_curpad = AvARRAY(PL_comppad); | |
2626 | PL_comppad_name = newAV(); | |
2627 | PL_comppad_name_fill = 0; | |
2628 | PL_min_intro_pending = 0; | |
2629 | PL_padix = 0; | |
11343788 | 2630 | #ifdef USE_THREADS |
79cb57f6 | 2631 | av_store(PL_comppad_name, 0, newSVpvn("@_", 2)); |
533c011a NIS |
2632 | PL_curpad[0] = (SV*)newAV(); |
2633 | SvPADMY_on(PL_curpad[0]); /* XXX Needed? */ | |
11343788 | 2634 | #endif /* USE_THREADS */ |
a0d0e21e | 2635 | |
748a9306 LW |
2636 | comppadlist = newAV(); |
2637 | AvREAL_off(comppadlist); | |
3280af22 NIS |
2638 | av_store(comppadlist, 0, (SV*)PL_comppad_name); |
2639 | av_store(comppadlist, 1, (SV*)PL_comppad); | |
2640 | CvPADLIST(PL_compcv) = comppadlist; | |
2c05e328 | 2641 | |
c277df42 | 2642 | if (!saveop || saveop->op_type != OP_REQUIRE) |
3280af22 | 2643 | CvOUTSIDE(PL_compcv) = (CV*)SvREFCNT_inc(caller); |
07055b4c | 2644 | |
3280af22 | 2645 | SAVEFREESV(PL_compcv); |
748a9306 | 2646 | |
a0d0e21e LW |
2647 | /* make sure we compile in the right package */ |
2648 | ||
ed094faf | 2649 | if (CopSTASH_ne(PL_curcop, PL_curstash)) { |
3280af22 | 2650 | SAVESPTR(PL_curstash); |
ed094faf | 2651 | PL_curstash = CopSTASH(PL_curcop); |
a0d0e21e | 2652 | } |
3280af22 NIS |
2653 | SAVESPTR(PL_beginav); |
2654 | PL_beginav = newAV(); | |
2655 | SAVEFREESV(PL_beginav); | |
a0d0e21e LW |
2656 | |
2657 | /* try to compile it */ | |
2658 | ||
3280af22 NIS |
2659 | PL_eval_root = Nullop; |
2660 | PL_error_count = 0; | |
2661 | PL_curcop = &PL_compiling; | |
2662 | PL_curcop->cop_arybase = 0; | |
2663 | SvREFCNT_dec(PL_rs); | |
79cb57f6 | 2664 | PL_rs = newSVpvn("\n", 1); |
c277df42 | 2665 | if (saveop && saveop->op_flags & OPf_SPECIAL) |
faef0170 | 2666 | PL_in_eval |= EVAL_KEEPERR; |
1ce6579f | 2667 | else |
38a03e6e | 2668 | sv_setpv(ERRSV,""); |
3280af22 | 2669 | if (yyparse() || PL_error_count || !PL_eval_root) { |
a0d0e21e LW |
2670 | SV **newsp; |
2671 | I32 gimme; | |
c09156bb | 2672 | PERL_CONTEXT *cx; |
c277df42 | 2673 | I32 optype = 0; /* Might be reset by POPEVAL. */ |
2d8e6c8d | 2674 | STRLEN n_a; |
097ee67d | 2675 | |
533c011a | 2676 | PL_op = saveop; |
3280af22 NIS |
2677 | if (PL_eval_root) { |
2678 | op_free(PL_eval_root); | |
2679 | PL_eval_root = Nullop; | |
a0d0e21e | 2680 | } |
3280af22 | 2681 | SP = PL_stack_base + POPMARK; /* pop original mark */ |
c277df42 | 2682 | if (!startop) { |
3280af22 | 2683 | POPBLOCK(cx,PL_curpm); |
c277df42 IZ |
2684 | POPEVAL(cx); |
2685 | pop_return(); | |
2686 | } | |
a0d0e21e LW |
2687 | lex_end(); |
2688 | LEAVE; | |
7a2e2cd6 | 2689 | if (optype == OP_REQUIRE) { |
2d8e6c8d | 2690 | char* msg = SvPVx(ERRSV, n_a); |
5a844595 GS |
2691 | DIE(aTHX_ "%sCompilation failed in require", |
2692 | *msg ? msg : "Unknown error\n"); | |
2693 | } | |
2694 | else if (startop) { | |
2d8e6c8d | 2695 | char* msg = SvPVx(ERRSV, n_a); |
c277df42 | 2696 | |
3280af22 | 2697 | POPBLOCK(cx,PL_curpm); |
c277df42 | 2698 | POPEVAL(cx); |
5a844595 GS |
2699 | Perl_croak(aTHX_ "%sCompilation failed in regexp", |
2700 | (*msg ? msg : "Unknown error\n")); | |
7a2e2cd6 | 2701 | } |
3280af22 NIS |
2702 | SvREFCNT_dec(PL_rs); |
2703 | PL_rs = SvREFCNT_inc(PL_nrs); | |
f2134d95 | 2704 | #ifdef USE_THREADS |
533c011a NIS |
2705 | MUTEX_LOCK(&PL_eval_mutex); |
2706 | PL_eval_owner = 0; | |
2707 | COND_SIGNAL(&PL_eval_cond); | |
2708 | MUTEX_UNLOCK(&PL_eval_mutex); | |
f2134d95 | 2709 | #endif /* USE_THREADS */ |
a0d0e21e LW |
2710 | RETPUSHUNDEF; |
2711 | } | |
3280af22 NIS |
2712 | SvREFCNT_dec(PL_rs); |
2713 | PL_rs = SvREFCNT_inc(PL_nrs); | |
57843af0 | 2714 | CopLINE_set(&PL_compiling, 0); |
c277df42 | 2715 | if (startop) { |
3280af22 NIS |
2716 | *startop = PL_eval_root; |
2717 | SvREFCNT_dec(CvOUTSIDE(PL_compcv)); | |
2718 | CvOUTSIDE(PL_compcv) = Nullcv; | |
c277df42 | 2719 | } else |
3280af22 | 2720 | SAVEFREEOP(PL_eval_root); |
54310121 | 2721 | if (gimme & G_VOID) |
3280af22 | 2722 | scalarvoid(PL_eval_root); |
54310121 | 2723 | else if (gimme & G_ARRAY) |
3280af22 | 2724 | list(PL_eval_root); |
a0d0e21e | 2725 | else |
3280af22 | 2726 | scalar(PL_eval_root); |
a0d0e21e LW |
2727 | |
2728 | DEBUG_x(dump_eval()); | |
2729 | ||
55497cff | 2730 | /* Register with debugger: */ |
84902520 | 2731 | if (PERLDB_INTER && saveop->op_type == OP_REQUIRE) { |
864dbfa3 | 2732 | CV *cv = get_cv("DB::postponed", FALSE); |
55497cff | 2733 | if (cv) { |
2734 | dSP; | |
924508f0 | 2735 | PUSHMARK(SP); |
cc49e20b | 2736 | XPUSHs((SV*)CopFILEGV(&PL_compiling)); |
55497cff | 2737 | PUTBACK; |
864dbfa3 | 2738 | call_sv((SV*)cv, G_DISCARD); |
55497cff | 2739 | } |
2740 | } | |
2741 | ||
a0d0e21e LW |
2742 | /* compiled okay, so do it */ |
2743 | ||
3280af22 NIS |
2744 | CvDEPTH(PL_compcv) = 1; |
2745 | SP = PL_stack_base + POPMARK; /* pop original mark */ | |
533c011a | 2746 | PL_op = saveop; /* The caller may need it. */ |
b35b2403 | 2747 | #ifdef USE_THREADS |
533c011a NIS |
2748 | MUTEX_LOCK(&PL_eval_mutex); |
2749 | PL_eval_owner = 0; | |
2750 | COND_SIGNAL(&PL_eval_cond); | |
2751 | MUTEX_UNLOCK(&PL_eval_mutex); | |
b35b2403 | 2752 | #endif /* USE_THREADS */ |
5dc0d613 | 2753 | |
3280af22 | 2754 | RETURNOP(PL_eval_start); |
a0d0e21e LW |
2755 | } |
2756 | ||
a6c40364 | 2757 | STATIC PerlIO * |
cea2e8a9 | 2758 | S_doopen_pmc(pTHX_ const char *name, const char *mode) |
b295d113 TH |
2759 | { |
2760 | STRLEN namelen = strlen(name); | |
2761 | PerlIO *fp; | |
2762 | ||
7894fbab | 2763 | if (namelen > 3 && strEQ(name + namelen - 3, ".pm")) { |
cea2e8a9 | 2764 | SV *pmcsv = Perl_newSVpvf(aTHX_ "%s%c", name, 'c'); |
b295d113 TH |
2765 | char *pmc = SvPV_nolen(pmcsv); |
2766 | Stat_t pmstat; | |
a6c40364 GS |
2767 | Stat_t pmcstat; |
2768 | if (PerlLIO_stat(pmc, &pmcstat) < 0) { | |
b295d113 | 2769 | fp = PerlIO_open(name, mode); |
a6c40364 GS |
2770 | } |
2771 | else { | |
b295d113 | 2772 | if (PerlLIO_stat(name, &pmstat) < 0 || |
a6c40364 GS |
2773 | pmstat.st_mtime < pmcstat.st_mtime) |
2774 | { | |
2775 | fp = PerlIO_open(pmc, mode); | |
2776 | } | |
2777 | else { | |
2778 | fp = PerlIO_open(name, mode); | |
2779 | } | |
b295d113 | 2780 | } |
a6c40364 GS |
2781 | SvREFCNT_dec(pmcsv); |
2782 | } | |
2783 | else { | |
2784 | fp = PerlIO_open(name, mode); | |
b295d113 | 2785 | } |
b295d113 TH |
2786 | return fp; |
2787 | } | |
2788 | ||
a0d0e21e LW |
2789 | PP(pp_require) |
2790 | { | |
4e35701f | 2791 | djSP; |
c09156bb | 2792 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
2793 | SV *sv; |
2794 | char *name; | |
6132ea6c | 2795 | STRLEN len; |
46fc3d4c | 2796 | char *tryname; |
2797 | SV *namesv = Nullsv; | |
a0d0e21e LW |
2798 | SV** svp; |
2799 | I32 gimme = G_SCALAR; | |
760ac839 | 2800 | PerlIO *tryrsfp = 0; |
2d8e6c8d | 2801 | STRLEN n_a; |
bbed91b5 KF |
2802 | int filter_has_file = 0; |
2803 | GV *filter_child_proc = 0; | |
2804 | SV *filter_state = 0; | |
2805 | SV *filter_sub = 0; | |
a0d0e21e LW |
2806 | |
2807 | sv = POPs; | |
4633a7c4 | 2808 | if (SvNIOKp(sv) && !SvPOKp(sv)) { |
097ee67d | 2809 | if (Atof(PL_patchlevel) + 0.00000999 < SvNV(sv)) |
cea2e8a9 | 2810 | DIE(aTHX_ "Perl %s required--this is only version %s, stopped", |
2d8e6c8d | 2811 | SvPV(sv,n_a),PL_patchlevel); |
a0d0e21e LW |
2812 | RETPUSHYES; |
2813 | } | |
6132ea6c GS |
2814 | name = SvPV(sv, len); |
2815 | if (!(name && len > 0 && *name)) | |
cea2e8a9 | 2816 | DIE(aTHX_ "Null filename used"); |
4633a7c4 | 2817 | TAINT_PROPER("require"); |
533c011a | 2818 | if (PL_op->op_type == OP_REQUIRE && |
3280af22 NIS |
2819 | (svp = hv_fetch(GvHVn(PL_incgv), name, len, 0)) && |
2820 | *svp != &PL_sv_undef) | |
a0d0e21e LW |
2821 | RETPUSHYES; |
2822 | ||
2823 | /* prepare to compile file */ | |
2824 | ||
57843af0 GS |
2825 | if (PERL_FILE_IS_ABSOLUTE(name) |
2826 | || (*name == '.' && (name[1] == '/' || | |
2827 | (name[1] == '.' && name[2] == '/')))) | |
a0d0e21e | 2828 | { |
46fc3d4c | 2829 | tryname = name; |
a6c40364 | 2830 | tryrsfp = doopen_pmc(name,PERL_SCRIPT_MODE); |
a0d0e21e LW |
2831 | } |
2832 | else { | |
3280af22 | 2833 | AV *ar = GvAVn(PL_incgv); |
a0d0e21e | 2834 | I32 i; |
748a9306 | 2835 | #ifdef VMS |
46fc3d4c | 2836 | char *unixname; |
2837 | if ((unixname = tounixspec(name, Nullch)) != Nullch) | |
2838 | #endif | |
2839 | { | |
2840 | namesv = NEWSV(806, 0); | |
2841 | for (i = 0; i <= AvFILL(ar); i++) { | |
bbed91b5 KF |
2842 | SV *dirsv = *av_fetch(ar, i, TRUE); |
2843 | ||
2844 | if (SvROK(dirsv)) { | |
2845 | int count; | |
2846 | SV *loader = dirsv; | |
2847 | ||
2848 | if (SvTYPE(SvRV(loader)) == SVt_PVAV) { | |
2849 | loader = *av_fetch((AV *)SvRV(loader), 0, TRUE); | |
2850 | } | |
2851 | ||
b900a521 JH |
2852 | Perl_sv_setpvf(aTHX_ namesv, "/loader/0x%"UVxf"/%s", |
2853 | PTR2UV(SvANY(loader)), name); | |
bbed91b5 KF |
2854 | tryname = SvPVX(namesv); |
2855 | tryrsfp = 0; | |
2856 | ||
2857 | ENTER; | |
2858 | SAVETMPS; | |
2859 | EXTEND(SP, 2); | |
2860 | ||
2861 | PUSHMARK(SP); | |
2862 | PUSHs(dirsv); | |
2863 | PUSHs(sv); | |
2864 | PUTBACK; | |
2865 | count = call_sv(loader, G_ARRAY); | |
2866 | SPAGAIN; | |
2867 | ||
2868 | if (count > 0) { | |
2869 | int i = 0; | |
2870 | SV *arg; | |
2871 | ||
2872 | SP -= count - 1; | |
2873 | arg = SP[i++]; | |
2874 | ||
2875 | if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVGV) { | |
2876 | arg = SvRV(arg); | |
2877 | } | |
2878 | ||
2879 | if (SvTYPE(arg) == SVt_PVGV) { | |
2880 | IO *io = GvIO((GV *)arg); | |
2881 | ||
2882 | ++filter_has_file; | |
2883 | ||
2884 | if (io) { | |
2885 | tryrsfp = IoIFP(io); | |
2886 | if (IoTYPE(io) == '|') { | |
2887 | /* reading from a child process doesn't | |
2888 | nest -- when returning from reading | |
2889 | the inner module, the outer one is | |
2890 | unreadable (closed?) I've tried to | |
2891 | save the gv to manage the lifespan of | |
2892 | the pipe, but this didn't help. XXX */ | |
2893 | filter_child_proc = (GV *)arg; | |
520c758a | 2894 | (void)SvREFCNT_inc(filter_child_proc); |
bbed91b5 KF |
2895 | } |
2896 | else { | |
2897 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { | |
2898 | PerlIO_close(IoOFP(io)); | |
2899 | } | |
2900 | IoIFP(io) = Nullfp; | |
2901 | IoOFP(io) = Nullfp; | |
2902 | } | |
2903 | } | |
2904 | ||
2905 | if (i < count) { | |
2906 | arg = SP[i++]; | |
2907 | } | |
2908 | } | |
2909 | ||
2910 | if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVCV) { | |
2911 | filter_sub = arg; | |
520c758a | 2912 | (void)SvREFCNT_inc(filter_sub); |
bbed91b5 KF |
2913 | |
2914 | if (i < count) { | |
2915 | filter_state = SP[i]; | |
520c758a | 2916 | (void)SvREFCNT_inc(filter_state); |
bbed91b5 KF |
2917 | } |
2918 | ||
2919 | if (tryrsfp == 0) { | |
2920 | tryrsfp = PerlIO_open("/dev/null", | |
2921 | PERL_SCRIPT_MODE); | |
2922 | } | |
2923 | } | |
2924 | } | |
2925 | ||
2926 | PUTBACK; | |
2927 | FREETMPS; | |
2928 | LEAVE; | |
2929 | ||
2930 | if (tryrsfp) { | |
2931 | break; | |
2932 | } | |
2933 | ||
2934 | filter_has_file = 0; | |
2935 | if (filter_child_proc) { | |
2936 | SvREFCNT_dec(filter_child_proc); | |
2937 | filter_child_proc = 0; | |
2938 | } | |
2939 | if (filter_state) { | |
2940 | SvREFCNT_dec(filter_state); | |
2941 | filter_state = 0; | |
2942 | } | |
2943 | if (filter_sub) { | |
2944 | SvREFCNT_dec(filter_sub); | |
2945 | filter_sub = 0; | |
2946 | } | |
2947 | } | |
2948 | else { | |
2949 | char *dir = SvPVx(dirsv, n_a); | |
46fc3d4c | 2950 | #ifdef VMS |
bbed91b5 KF |
2951 | char *unixdir; |
2952 | if ((unixdir = tounixpath(dir, Nullch)) == Nullch) | |
2953 | continue; | |
2954 | sv_setpv(namesv, unixdir); | |
2955 | sv_catpv(namesv, unixname); | |
748a9306 | 2956 | #else |
bbed91b5 | 2957 | Perl_sv_setpvf(aTHX_ namesv, "%s/%s", dir, name); |
748a9306 | 2958 | #endif |
bbed91b5 KF |
2959 | TAINT_PROPER("require"); |
2960 | tryname = SvPVX(namesv); | |
2961 | tryrsfp = doopen_pmc(tryname, PERL_SCRIPT_MODE); | |
2962 | if (tryrsfp) { | |
2963 | if (tryname[0] == '.' && tryname[1] == '/') | |
2964 | tryname += 2; | |
2965 | break; | |
2966 | } | |
46fc3d4c | 2967 | } |
a0d0e21e LW |
2968 | } |
2969 | } | |
2970 | } | |
57843af0 GS |
2971 | SAVECOPFILE(&PL_compiling); |
2972 | CopFILE_set(&PL_compiling, tryrsfp ? tryname : name); | |
46fc3d4c | 2973 | SvREFCNT_dec(namesv); |
a0d0e21e | 2974 | if (!tryrsfp) { |
533c011a | 2975 | if (PL_op->op_type == OP_REQUIRE) { |
ec889f3a GS |
2976 | char *msgstr = name; |
2977 | if (namesv) { /* did we lookup @INC? */ | |
2978 | SV *msg = sv_2mortal(newSVpv(msgstr,0)); | |
2979 | SV *dirmsgsv = NEWSV(0, 0); | |
2980 | AV *ar = GvAVn(PL_incgv); | |
2981 | I32 i; | |
2982 | sv_catpvn(msg, " in @INC", 8); | |
2983 | if (instr(SvPVX(msg), ".h ")) | |
2984 | sv_catpv(msg, " (change .h to .ph maybe?)"); | |
2985 | if (instr(SvPVX(msg), ".ph ")) | |
2986 | sv_catpv(msg, " (did you run h2ph?)"); | |
2987 | sv_catpv(msg, " (@INC contains:"); | |
2988 | for (i = 0; i <= AvFILL(ar); i++) { | |
2989 | char *dir = SvPVx(*av_fetch(ar, i, TRUE), n_a); | |
cea2e8a9 | 2990 | Perl_sv_setpvf(aTHX_ dirmsgsv, " %s", dir); |
ec889f3a GS |
2991 | sv_catsv(msg, dirmsgsv); |
2992 | } | |
2993 | sv_catpvn(msg, ")", 1); | |
2994 | SvREFCNT_dec(dirmsgsv); | |
2995 | msgstr = SvPV_nolen(msg); | |
2683423c | 2996 | } |
cea2e8a9 | 2997 | DIE(aTHX_ "Can't locate %s", msgstr); |
a0d0e21e LW |
2998 | } |
2999 | ||
3000 | RETPUSHUNDEF; | |
3001 | } | |
d8bfb8bd | 3002 | else |
aba27d88 | 3003 | SETERRNO(0, SS$_NORMAL); |
a0d0e21e LW |
3004 | |
3005 | /* Assume success here to prevent recursive requirement. */ | |
3280af22 | 3006 | (void)hv_store(GvHVn(PL_incgv), name, strlen(name), |
ed094faf | 3007 | newSVpv(CopFILE(&PL_compiling), 0), 0 ); |
a0d0e21e LW |
3008 | |
3009 | ENTER; | |
3010 | SAVETMPS; | |
79cb57f6 | 3011 | lex_start(sv_2mortal(newSVpvn("",0))); |
b9d12d37 GS |
3012 | SAVEGENERICSV(PL_rsfp_filters); |
3013 | PL_rsfp_filters = Nullav; | |
e50aee73 | 3014 | |
3280af22 | 3015 | PL_rsfp = tryrsfp; |
b3ac6de7 | 3016 | SAVEHINTS(); |
3280af22 | 3017 | PL_hints = 0; |
7766f137 | 3018 | SAVESPTR(PL_compiling.cop_warnings); |
0453d815 PM |
3019 | if (PL_dowarn & G_WARN_ALL_ON) |
3020 | PL_compiling.cop_warnings = WARN_ALL ; | |
3021 | else if (PL_dowarn & G_WARN_ALL_OFF) | |
3022 | PL_compiling.cop_warnings = WARN_NONE ; | |
3023 | else | |
3024 | PL_compiling.cop_warnings = WARN_STD ; | |
a0d0e21e | 3025 | |
bbed91b5 KF |
3026 | if (filter_sub || filter_child_proc) { |
3027 | SV *datasv = filter_add(run_user_filter, Nullsv); | |
3028 | IoLINES(datasv) = filter_has_file; | |
3029 | IoFMT_GV(datasv) = (GV *)filter_child_proc; | |
3030 | IoTOP_GV(datasv) = (GV *)filter_state; | |
3031 | IoBOTTOM_GV(datasv) = (GV *)filter_sub; | |
3032 | } | |
3033 | ||
3034 | /* switch to eval mode */ | |
533c011a | 3035 | push_return(PL_op->op_next); |
a0d0e21e | 3036 | PUSHBLOCK(cx, CXt_EVAL, SP); |
cc49e20b | 3037 | PUSHEVAL(cx, name, Nullgv); |
a0d0e21e | 3038 | |
57843af0 GS |
3039 | SAVECOPLINE(&PL_compiling); |
3040 | CopLINE_set(&PL_compiling, 0); | |
a0d0e21e LW |
3041 | |
3042 | PUTBACK; | |
0f15f207 | 3043 | #ifdef USE_THREADS |
533c011a NIS |
3044 | MUTEX_LOCK(&PL_eval_mutex); |
3045 | if (PL_eval_owner && PL_eval_owner != thr) | |
3046 | while (PL_eval_owner) | |
3047 | COND_WAIT(&PL_eval_cond, &PL_eval_mutex); | |
3048 | PL_eval_owner = thr; | |
3049 | MUTEX_UNLOCK(&PL_eval_mutex); | |
0f15f207 | 3050 | #endif /* USE_THREADS */ |
c277df42 | 3051 | return DOCATCH(doeval(G_SCALAR, NULL)); |
a0d0e21e LW |
3052 | } |
3053 | ||
3054 | PP(pp_dofile) | |
3055 | { | |
cea2e8a9 | 3056 | return pp_require(); |
a0d0e21e LW |
3057 | } |
3058 | ||
3059 | PP(pp_entereval) | |
3060 | { | |
4e35701f | 3061 | djSP; |
c09156bb | 3062 | register PERL_CONTEXT *cx; |
a0d0e21e | 3063 | dPOPss; |
3280af22 | 3064 | I32 gimme = GIMME_V, was = PL_sub_generation; |
fc36a67e | 3065 | char tmpbuf[TYPE_DIGITS(long) + 12]; |
3066 | char *safestr; | |
a0d0e21e | 3067 | STRLEN len; |
55497cff | 3068 | OP *ret; |
a0d0e21e LW |
3069 | |
3070 | if (!SvPV(sv,len) || !len) | |
3071 | RETPUSHUNDEF; | |
748a9306 | 3072 | TAINT_PROPER("eval"); |
a0d0e21e LW |
3073 | |
3074 | ENTER; | |
a0d0e21e | 3075 | lex_start(sv); |
748a9306 | 3076 | SAVETMPS; |
a0d0e21e LW |
3077 | |
3078 | /* switch to eval mode */ | |
3079 | ||
57843af0 | 3080 | SAVECOPFILE(&PL_compiling); |
3280af22 | 3081 | sprintf(tmpbuf, "_<(eval %lu)", (unsigned long)++PL_evalseq); |
57843af0 GS |
3082 | CopFILE_set(&PL_compiling, tmpbuf+2); |
3083 | CopLINE_set(&PL_compiling, 1); | |
55497cff | 3084 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
3085 | deleting the eval's FILEGV from the stash before gv_check() runs | |
3086 | (i.e. before run-time proper). To work around the coredump that | |
3087 | ensues, we always turn GvMULTI_on for any globals that were | |
3088 | introduced within evals. See force_ident(). GSAR 96-10-12 */ | |
3089 | safestr = savepv(tmpbuf); | |
3280af22 | 3090 | SAVEDELETE(PL_defstash, safestr, strlen(safestr)); |
b3ac6de7 | 3091 | SAVEHINTS(); |
533c011a | 3092 | PL_hints = PL_op->op_targ; |
7766f137 | 3093 | SAVESPTR(PL_compiling.cop_warnings); |
0453d815 | 3094 | if (!specialWARN(PL_compiling.cop_warnings)) { |
599cee73 PM |
3095 | PL_compiling.cop_warnings = newSVsv(PL_compiling.cop_warnings) ; |
3096 | SAVEFREESV(PL_compiling.cop_warnings) ; | |
3097 | } | |
a0d0e21e | 3098 | |
533c011a | 3099 | push_return(PL_op->op_next); |
6b35e009 | 3100 | PUSHBLOCK(cx, (CXt_EVAL|CXp_REAL), SP); |
cc49e20b | 3101 | PUSHEVAL(cx, 0, Nullgv); |
a0d0e21e LW |
3102 | |
3103 | /* prepare to compile string */ | |
3104 | ||
3280af22 | 3105 | if (PERLDB_LINE && PL_curstash != PL_debstash) |
cc49e20b | 3106 | save_lines(CopFILEAV(&PL_compiling), PL_linestr); |
a0d0e21e | 3107 | PUTBACK; |
0f15f207 | 3108 | #ifdef USE_THREADS |
533c011a NIS |
3109 | MUTEX_LOCK(&PL_eval_mutex); |
3110 | if (PL_eval_owner && PL_eval_owner != thr) | |
3111 | while (PL_eval_owner) | |
3112 | COND_WAIT(&PL_eval_cond, &PL_eval_mutex); | |
3113 | PL_eval_owner = thr; | |
3114 | MUTEX_UNLOCK(&PL_eval_mutex); | |
0f15f207 | 3115 | #endif /* USE_THREADS */ |
c277df42 | 3116 | ret = doeval(gimme, NULL); |
3280af22 | 3117 | if (PERLDB_INTER && was != PL_sub_generation /* Some subs defined here. */ |
533c011a | 3118 | && ret != PL_op->op_next) { /* Successive compilation. */ |
55497cff | 3119 | strcpy(safestr, "_<(eval )"); /* Anything fake and short. */ |
3120 | } | |
1e422769 | 3121 | return DOCATCH(ret); |
a0d0e21e LW |
3122 | } |
3123 | ||
3124 | PP(pp_leaveeval) | |
3125 | { | |
4e35701f | 3126 | djSP; |
a0d0e21e LW |
3127 | register SV **mark; |
3128 | SV **newsp; | |
3129 | PMOP *newpm; | |
3130 | I32 gimme; | |
c09156bb | 3131 | register PERL_CONTEXT *cx; |
a0d0e21e | 3132 | OP *retop; |
533c011a | 3133 | U8 save_flags = PL_op -> op_flags; |
a0d0e21e LW |
3134 | I32 optype; |
3135 | ||
3136 | POPBLOCK(cx,newpm); | |
3137 | POPEVAL(cx); | |
3138 | retop = pop_return(); | |
3139 | ||
a1f49e72 | 3140 | TAINT_NOT; |
54310121 | 3141 | if (gimme == G_VOID) |
3142 | MARK = newsp; | |
3143 | else if (gimme == G_SCALAR) { | |
3144 | MARK = newsp + 1; | |
3145 | if (MARK <= SP) { | |
3146 | if (SvFLAGS(TOPs) & SVs_TEMP) | |
3147 | *MARK = TOPs; | |
3148 | else | |
3149 | *MARK = sv_mortalcopy(TOPs); | |
3150 | } | |
a0d0e21e | 3151 | else { |
54310121 | 3152 | MEXTEND(mark,0); |
3280af22 | 3153 | *MARK = &PL_sv_undef; |
a0d0e21e | 3154 | } |
a7ec2b44 | 3155 | SP = MARK; |
a0d0e21e LW |
3156 | } |
3157 | else { | |
a1f49e72 CS |
3158 | /* in case LEAVE wipes old return values */ |
3159 | for (mark = newsp + 1; mark <= SP; mark++) { | |
3160 | if (!(SvFLAGS(*mark) & SVs_TEMP)) { | |
a0d0e21e | 3161 | *mark = sv_mortalcopy(*mark); |
a1f49e72 CS |
3162 | TAINT_NOT; /* Each item is independent */ |
3163 | } | |
3164 | } | |
a0d0e21e | 3165 | } |
3280af22 | 3166 | PL_curpm = newpm; /* Don't pop $1 et al till now */ |
a0d0e21e | 3167 | |
067f92a0 GS |
3168 | if (AvFILLp(PL_comppad_name) >= 0) |
3169 | free_closures(); | |
84902520 | 3170 | |
4fdae800 | 3171 | #ifdef DEBUGGING |
3280af22 | 3172 | assert(CvDEPTH(PL_compcv) == 1); |
4fdae800 | 3173 | #endif |
3280af22 | 3174 | CvDEPTH(PL_compcv) = 0; |
f46d017c | 3175 | lex_end(); |
4fdae800 | 3176 | |
1ce6579f | 3177 | if (optype == OP_REQUIRE && |
924508f0 | 3178 | !(gimme == G_SCALAR ? SvTRUE(*SP) : SP > newsp)) |
54310121 | 3179 | { |
1ce6579f | 3180 | /* Unassume the success we assumed earlier. */ |
54310121 | 3181 | char *name = cx->blk_eval.old_name; |
3280af22 | 3182 | (void)hv_delete(GvHVn(PL_incgv), name, strlen(name), G_DISCARD); |
cea2e8a9 | 3183 | retop = Perl_die(aTHX_ "%s did not return a true value", name); |
f46d017c GS |
3184 | /* die_where() did LEAVE, or we won't be here */ |
3185 | } | |
3186 | else { | |
3187 | LEAVE; | |
3188 | if (!(save_flags & OPf_SPECIAL)) | |
3189 | sv_setpv(ERRSV,""); | |
a0d0e21e | 3190 | } |
a0d0e21e LW |
3191 | |
3192 | RETURNOP(retop); | |
3193 | } | |
3194 | ||
a0d0e21e LW |
3195 | PP(pp_entertry) |
3196 | { | |
4e35701f | 3197 | djSP; |
c09156bb | 3198 | register PERL_CONTEXT *cx; |
54310121 | 3199 | I32 gimme = GIMME_V; |
a0d0e21e LW |
3200 | |
3201 | ENTER; | |
3202 | SAVETMPS; | |
3203 | ||
3204 | push_return(cLOGOP->op_other->op_next); | |
3205 | PUSHBLOCK(cx, CXt_EVAL, SP); | |
3206 | PUSHEVAL(cx, 0, 0); | |
533c011a | 3207 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ |
a0d0e21e | 3208 | |
faef0170 | 3209 | PL_in_eval = EVAL_INEVAL; |
38a03e6e | 3210 | sv_setpv(ERRSV,""); |
1e422769 | 3211 | PUTBACK; |
533c011a | 3212 | return DOCATCH(PL_op->op_next); |
a0d0e21e LW |
3213 | } |
3214 | ||
3215 | PP(pp_leavetry) | |
3216 | { | |
4e35701f | 3217 | djSP; |
a0d0e21e LW |
3218 | register SV **mark; |
3219 | SV **newsp; | |
3220 | PMOP *newpm; | |
3221 | I32 gimme; | |
c09156bb | 3222 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
3223 | I32 optype; |
3224 | ||
3225 | POPBLOCK(cx,newpm); | |
3226 | POPEVAL(cx); | |
3227 | pop_return(); | |
3228 | ||
a1f49e72 | 3229 | TAINT_NOT; |
54310121 | 3230 | if (gimme == G_VOID) |
3231 | SP = newsp; | |
3232 | else if (gimme == G_SCALAR) { | |
3233 | MARK = newsp + 1; | |
3234 | if (MARK <= SP) { | |
3235 | if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP)) | |
3236 | *MARK = TOPs; | |
3237 | else | |
3238 | *MARK = sv_mortalcopy(TOPs); | |
3239 | } | |
a0d0e21e | 3240 | else { |
54310121 | 3241 | MEXTEND(mark,0); |
3280af22 | 3242 | *MARK = &PL_sv_undef; |
a0d0e21e LW |
3243 | } |
3244 | SP = MARK; | |
3245 | } | |
3246 | else { | |
a1f49e72 CS |
3247 | /* in case LEAVE wipes old return values */ |
3248 | for (mark = newsp + 1; mark <= SP; mark++) { | |
3249 | if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) { | |
a0d0e21e | 3250 | *mark = sv_mortalcopy(*mark); |
a1f49e72 CS |
3251 | TAINT_NOT; /* Each item is independent */ |
3252 | } | |
3253 | } | |
a0d0e21e | 3254 | } |
3280af22 | 3255 | PL_curpm = newpm; /* Don't pop $1 et al till now */ |
a0d0e21e LW |
3256 | |
3257 | LEAVE; | |
38a03e6e | 3258 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
3259 | RETURN; |
3260 | } | |
3261 | ||
0824fdcb | 3262 | STATIC void |
cea2e8a9 | 3263 | S_doparseform(pTHX_ SV *sv) |
a0d0e21e LW |
3264 | { |
3265 | STRLEN len; | |
3266 | register char *s = SvPV_force(sv, len); | |
3267 | register char *send = s + len; | |
3268 | register char *base; | |
3269 | register I32 skipspaces = 0; | |
3270 | bool noblank; | |
3271 | bool repeat; | |
3272 | bool postspace = FALSE; | |
3273 | U16 *fops; | |
3274 | register U16 *fpc; | |
3275 | U16 *linepc; | |
3276 | register I32 arg; | |
3277 | bool ischop; | |
3278 | ||
55497cff | 3279 | if (len == 0) |
cea2e8a9 | 3280 | Perl_croak(aTHX_ "Null picture in formline"); |
55497cff | 3281 | |
3282 | New(804, fops, (send - s)*3+10, U16); /* Almost certainly too long... */ | |
a0d0e21e LW |
3283 | fpc = fops; |
3284 | ||
3285 | if (s < send) { | |
3286 | linepc = fpc; | |
3287 | *fpc++ = FF_LINEMARK; | |
3288 | noblank = repeat = FALSE; | |
3289 | base = s; | |
3290 | } | |
3291 | ||
3292 | while (s <= send) { | |
3293 | switch (*s++) { | |
3294 | default: | |
3295 | skipspaces = 0; | |
3296 | continue; | |
3297 | ||
3298 | case '~': | |
3299 | if (*s == '~') { | |
3300 | repeat = TRUE; | |
3301 | *s = ' '; | |
3302 | } | |
3303 | noblank = TRUE; | |
3304 | s[-1] = ' '; | |
3305 | /* FALL THROUGH */ | |
3306 | case ' ': case '\t': | |
3307 | skipspaces++; | |
3308 | continue; | |
3309 | ||
3310 | case '\n': case 0: | |
3311 | arg = s - base; | |
3312 | skipspaces++; | |
3313 | arg -= skipspaces; | |
3314 | if (arg) { | |
5f05dabc | 3315 | if (postspace) |
a0d0e21e | 3316 | *fpc++ = FF_SPACE; |
a0d0e21e LW |
3317 | *fpc++ = FF_LITERAL; |
3318 | *fpc++ = arg; | |
3319 | } | |
5f05dabc | 3320 | postspace = FALSE; |
a0d0e21e LW |
3321 | if (s <= send) |
3322 | skipspaces--; | |
3323 | if (skipspaces) { | |
3324 | *fpc++ = FF_SKIP; | |
3325 | *fpc++ = skipspaces; | |
3326 | } | |
3327 | skipspaces = 0; | |
3328 | if (s <= send) | |
3329 | *fpc++ = FF_NEWLINE; | |
3330 | if (noblank) { | |
3331 | *fpc++ = FF_BLANK; | |
3332 | if (repeat) | |
3333 | arg = fpc - linepc + 1; | |
3334 | else | |
3335 | arg = 0; | |
3336 | *fpc++ = arg; | |
3337 | } | |
3338 | if (s < send) { | |
3339 | linepc = fpc; | |
3340 | *fpc++ = FF_LINEMARK; | |
3341 | noblank = repeat = FALSE; | |
3342 | base = s; | |
3343 | } | |
3344 | else | |
3345 | s++; | |
3346 | continue; | |
3347 | ||
3348 | case '@': | |
3349 | case '^': | |
3350 | ischop = s[-1] == '^'; | |
3351 | ||
3352 | if (postspace) { | |
3353 | *fpc++ = FF_SPACE; | |
3354 | postspace = FALSE; | |
3355 | } | |
3356 | arg = (s - base) - 1; | |
3357 | if (arg) { | |
3358 | *fpc++ = FF_LITERAL; | |
3359 | *fpc++ = arg; | |
3360 | } | |
3361 | ||
3362 | base = s - 1; | |
3363 | *fpc++ = FF_FETCH; | |
3364 | if (*s == '*') { | |
3365 | s++; | |
3366 | *fpc++ = 0; | |
3367 | *fpc++ = FF_LINEGLOB; | |
3368 | } | |
3369 | else if (*s == '#' || (*s == '.' && s[1] == '#')) { | |
3370 | arg = ischop ? 512 : 0; | |
3371 | base = s - 1; | |
3372 | while (*s == '#') | |
3373 | s++; | |
3374 | if (*s == '.') { | |
3375 | char *f; | |
3376 | s++; | |
3377 | f = s; | |
3378 | while (*s == '#') | |
3379 | s++; | |
3380 | arg |= 256 + (s - f); | |
3381 | } | |
3382 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
3383 | *fpc++ = FF_DECIMAL; | |
3384 | *fpc++ = arg; | |
3385 | } | |
3386 | else { | |
3387 | I32 prespace = 0; | |
3388 | bool ismore = FALSE; | |
3389 | ||
3390 | if (*s == '>') { | |
3391 | while (*++s == '>') ; | |
3392 | prespace = FF_SPACE; | |
3393 | } | |
3394 | else if (*s == '|') { | |
3395 | while (*++s == '|') ; | |
3396 | prespace = FF_HALFSPACE; | |
3397 | postspace = TRUE; | |
3398 | } | |
3399 | else { | |
3400 | if (*s == '<') | |
3401 | while (*++s == '<') ; | |
3402 | postspace = TRUE; | |
3403 | } | |
3404 | if (*s == '.' && s[1] == '.' && s[2] == '.') { | |
3405 | s += 3; | |
3406 | ismore = TRUE; | |
3407 | } | |
3408 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
3409 | ||
3410 | *fpc++ = ischop ? FF_CHECKCHOP : FF_CHECKNL; | |
3411 | ||
3412 | if (prespace) | |
3413 | *fpc++ = prespace; | |
3414 | *fpc++ = FF_ITEM; | |
3415 | if (ismore) | |
3416 | *fpc++ = FF_MORE; | |
3417 | if (ischop) | |
3418 | *fpc++ = FF_CHOP; | |
3419 | } | |
3420 | base = s; | |
3421 | skipspaces = 0; | |
3422 | continue; | |
3423 | } | |
3424 | } | |
3425 | *fpc++ = FF_END; | |
3426 | ||
3427 | arg = fpc - fops; | |
3428 | { /* need to jump to the next word */ | |
3429 | int z; | |
3430 | z = WORD_ALIGN - SvCUR(sv) % WORD_ALIGN; | |
3431 | SvGROW(sv, SvCUR(sv) + z + arg * sizeof(U16) + 4); | |
3432 | s = SvPVX(sv) + SvCUR(sv) + z; | |
3433 | } | |
3434 | Copy(fops, s, arg, U16); | |
3435 | Safefree(fops); | |
55497cff | 3436 | sv_magic(sv, Nullsv, 'f', Nullch, 0); |
a0d0e21e LW |
3437 | SvCOMPILED_on(sv); |
3438 | } | |
4e35701f | 3439 | |
745d3a65 HM |
3440 | /* |
3441 | * The rest of this file was derived from source code contributed | |
3442 | * by Tom Horsley. | |
3443 | * | |
3444 | * NOTE: this code was derived from Tom Horsley's qsort replacement | |
3445 | * and should not be confused with the original code. | |
3446 | */ | |
3447 | ||
3448 | /* Copyright (C) Tom Horsley, 1997. All rights reserved. | |
3449 | ||
3450 | Permission granted to distribute under the same terms as perl which are | |
3451 | (briefly): | |
3452 | ||
3453 | This program is free software; you can redistribute it and/or modify | |
3454 | it under the terms of either: | |
3455 | ||
3456 | a) the GNU General Public License as published by the Free | |
3457 | Software Foundation; either version 1, or (at your option) any | |
3458 | later version, or | |
3459 | ||
3460 | b) the "Artistic License" which comes with this Kit. | |
3461 | ||
3462 | Details on the perl license can be found in the perl source code which | |
3463 | may be located via the www.perl.com web page. | |
3464 | ||
3465 | This is the most wonderfulest possible qsort I can come up with (and | |
3466 | still be mostly portable) My (limited) tests indicate it consistently | |
3467 | does about 20% fewer calls to compare than does the qsort in the Visual | |
3468 | C++ library, other vendors may vary. | |
3469 | ||
3470 | Some of the ideas in here can be found in "Algorithms" by Sedgewick, | |
3471 | others I invented myself (or more likely re-invented since they seemed | |
3472 | pretty obvious once I watched the algorithm operate for a while). | |
3473 | ||
3474 | Most of this code was written while watching the Marlins sweep the Giants | |
3475 | in the 1997 National League Playoffs - no Braves fans allowed to use this | |
3476 | code (just kidding :-). | |
3477 | ||
3478 | I realize that if I wanted to be true to the perl tradition, the only | |
3479 | comment in this file would be something like: | |
3480 | ||
3481 | ...they shuffled back towards the rear of the line. 'No, not at the | |
3482 | rear!' the slave-driver shouted. 'Three files up. And stay there... | |
3483 | ||
3484 | However, I really needed to violate that tradition just so I could keep | |
3485 | track of what happens myself, not to mention some poor fool trying to | |
3486 | understand this years from now :-). | |
3487 | */ | |
3488 | ||
3489 | /* ********************************************************** Configuration */ | |
3490 | ||
3491 | #ifndef QSORT_ORDER_GUESS | |
3492 | #define QSORT_ORDER_GUESS 2 /* Select doubling version of the netBSD trick */ | |
3493 | #endif | |
3494 | ||
3495 | /* QSORT_MAX_STACK is the largest number of partitions that can be stacked up for | |
3496 | future processing - a good max upper bound is log base 2 of memory size | |
3497 | (32 on 32 bit machines, 64 on 64 bit machines, etc). In reality can | |
3498 | safely be smaller than that since the program is taking up some space and | |
3499 | most operating systems only let you grab some subset of contiguous | |
3500 | memory (not to mention that you are normally sorting data larger than | |
3501 | 1 byte element size :-). | |
3502 | */ | |
3503 | #ifndef QSORT_MAX_STACK | |
3504 | #define QSORT_MAX_STACK 32 | |
3505 | #endif | |
3506 | ||
3507 | /* QSORT_BREAK_EVEN is the size of the largest partition we should insertion sort. | |
3508 | Anything bigger and we use qsort. If you make this too small, the qsort | |
3509 | will probably break (or become less efficient), because it doesn't expect | |
3510 | the middle element of a partition to be the same as the right or left - | |
3511 | you have been warned). | |
3512 | */ | |
3513 | #ifndef QSORT_BREAK_EVEN | |
3514 | #define QSORT_BREAK_EVEN 6 | |
3515 | #endif | |
3516 | ||
3517 | /* ************************************************************* Data Types */ | |
3518 | ||
3519 | /* hold left and right index values of a partition waiting to be sorted (the | |
3520 | partition includes both left and right - right is NOT one past the end or | |
3521 | anything like that). | |
3522 | */ | |
3523 | struct partition_stack_entry { | |
3524 | int left; | |
3525 | int right; | |
3526 | #ifdef QSORT_ORDER_GUESS | |
3527 | int qsort_break_even; | |
3528 | #endif | |
3529 | }; | |
3530 | ||
3531 | /* ******************************************************* Shorthand Macros */ | |
3532 | ||
3533 | /* Note that these macros will be used from inside the qsort function where | |
3534 | we happen to know that the variable 'elt_size' contains the size of an | |
3535 | array element and the variable 'temp' points to enough space to hold a | |
3536 | temp element and the variable 'array' points to the array being sorted | |
3537 | and 'compare' is the pointer to the compare routine. | |
3538 | ||
3539 | Also note that there are very many highly architecture specific ways | |
3540 | these might be sped up, but this is simply the most generally portable | |
3541 | code I could think of. | |
3542 | */ | |
161b471a | 3543 | |
745d3a65 HM |
3544 | /* Return < 0 == 0 or > 0 as the value of elt1 is < elt2, == elt2, > elt2 |
3545 | */ | |
565764a8 | 3546 | #define qsort_cmp(elt1, elt2) \ |
51371543 | 3547 | ((*compare)(aTHXo_ array[elt1], array[elt2])) |
745d3a65 HM |
3548 | |
3549 | #ifdef QSORT_ORDER_GUESS | |
3550 | #define QSORT_NOTICE_SWAP swapped++; | |
3551 | #else | |
3552 | #define QSORT_NOTICE_SWAP | |
3553 | #endif | |
3554 | ||
3555 | /* swaps contents of array elements elt1, elt2. | |
3556 | */ | |
3557 | #define qsort_swap(elt1, elt2) \ | |
3558 | STMT_START { \ | |
3559 | QSORT_NOTICE_SWAP \ | |
3560 | temp = array[elt1]; \ | |
3561 | array[elt1] = array[elt2]; \ | |
3562 | array[elt2] = temp; \ | |
3563 | } STMT_END | |
3564 | ||
3565 | /* rotate contents of elt1, elt2, elt3 such that elt1 gets elt2, elt2 gets | |
3566 | elt3 and elt3 gets elt1. | |
3567 | */ | |
3568 | #define qsort_rotate(elt1, elt2, elt3) \ | |
3569 | STMT_START { \ | |
3570 | QSORT_NOTICE_SWAP \ | |
3571 | temp = array[elt1]; \ | |
3572 | array[elt1] = array[elt2]; \ | |
3573 | array[elt2] = array[elt3]; \ | |
3574 | array[elt3] = temp; \ | |
3575 | } STMT_END | |
3576 | ||
3577 | /* ************************************************************ Debug stuff */ | |
3578 | ||
3579 | #ifdef QSORT_DEBUG | |
3580 | ||
3581 | static void | |
3582 | break_here() | |
3583 | { | |
3584 | return; /* good place to set a breakpoint */ | |
3585 | } | |
3586 | ||
3587 | #define qsort_assert(t) (void)( (t) || (break_here(), 0) ) | |
3588 | ||
3589 | static void | |
3590 | doqsort_all_asserts( | |
3591 | void * array, | |
3592 | size_t num_elts, | |
3593 | size_t elt_size, | |
3594 | int (*compare)(const void * elt1, const void * elt2), | |
3595 | int pc_left, int pc_right, int u_left, int u_right) | |
3596 | { | |
3597 | int i; | |
3598 | ||
3599 | qsort_assert(pc_left <= pc_right); | |
3600 | qsort_assert(u_right < pc_left); | |
3601 | qsort_assert(pc_right < u_left); | |
3602 | for (i = u_right + 1; i < pc_left; ++i) { | |
3603 | qsort_assert(qsort_cmp(i, pc_left) < 0); | |
3604 | } | |
3605 | for (i = pc_left; i < pc_right; ++i) { | |
3606 | qsort_assert(qsort_cmp(i, pc_right) == 0); | |
3607 | } | |
3608 | for (i = pc_right + 1; i < u_left; ++i) { | |
3609 | qsort_assert(qsort_cmp(pc_right, i) < 0); | |
3610 | } | |
3611 | } | |
3612 | ||
3613 | #define qsort_all_asserts(PC_LEFT, PC_RIGHT, U_LEFT, U_RIGHT) \ | |
3614 | doqsort_all_asserts(array, num_elts, elt_size, compare, \ | |
3615 | PC_LEFT, PC_RIGHT, U_LEFT, U_RIGHT) | |
3616 | ||
3617 | #else | |
3618 | ||
3619 | #define qsort_assert(t) ((void)0) | |
3620 | ||
3621 | #define qsort_all_asserts(PC_LEFT, PC_RIGHT, U_LEFT, U_RIGHT) ((void)0) | |
3622 | ||
3623 | #endif | |
3624 | ||
3625 | /* ****************************************************************** qsort */ | |
3626 | ||
6cc33c6d | 3627 | STATIC void |
cea2e8a9 | 3628 | S_qsortsv(pTHX_ SV ** array, size_t num_elts, SVCOMPARE_t compare) |
745d3a65 HM |
3629 | { |
3630 | register SV * temp; | |
3631 | ||
3632 | struct partition_stack_entry partition_stack[QSORT_MAX_STACK]; | |
3633 | int next_stack_entry = 0; | |
3634 | ||
3635 | int part_left; | |
3636 | int part_right; | |
3637 | #ifdef QSORT_ORDER_GUESS | |
3638 | int qsort_break_even; | |
3639 | int swapped; | |
3640 | #endif | |
161b471a | 3641 | |
745d3a65 HM |
3642 | /* Make sure we actually have work to do. |
3643 | */ | |
3644 | if (num_elts <= 1) { | |
3645 |