Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* pp_ctl.c |
2 | * | |
4bb101f2 JH |
3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
4 | * 2000, 2001, 2002, 2003, by Larry Wall and others | |
a0d0e21e LW |
5 | * |
6 | * You may distribute under the terms of either the GNU General Public | |
7 | * License or the Artistic License, as specified in the README file. | |
8 | * | |
9 | */ | |
10 | ||
11 | /* | |
12 | * Now far ahead the Road has gone, | |
13 | * And I must follow, if I can, | |
14 | * Pursuing it with eager feet, | |
15 | * Until it joins some larger way | |
16 | * Where many paths and errands meet. | |
17 | * And whither then? I cannot say. | |
18 | */ | |
19 | ||
20 | #include "EXTERN.h" | |
864dbfa3 | 21 | #define PERL_IN_PP_CTL_C |
a0d0e21e LW |
22 | #include "perl.h" |
23 | ||
24 | #ifndef WORD_ALIGN | |
dea28490 | 25 | #define WORD_ALIGN sizeof(U32) |
a0d0e21e LW |
26 | #endif |
27 | ||
54310121 | 28 | #define DOCATCH(o) ((CATCH_GET == TRUE) ? docatch(o) : (o)) |
1e422769 | 29 | |
acfe0abc GS |
30 | static I32 run_user_filter(pTHX_ int idx, SV *buf_sv, int maxlen); |
31 | ||
a0d0e21e LW |
32 | PP(pp_wantarray) |
33 | { | |
39644a26 | 34 | dSP; |
a0d0e21e LW |
35 | I32 cxix; |
36 | EXTEND(SP, 1); | |
37 | ||
38 | cxix = dopoptosub(cxstack_ix); | |
39 | if (cxix < 0) | |
40 | RETPUSHUNDEF; | |
41 | ||
54310121 | 42 | switch (cxstack[cxix].blk_gimme) { |
43 | case G_ARRAY: | |
a0d0e21e | 44 | RETPUSHYES; |
54310121 | 45 | case G_SCALAR: |
a0d0e21e | 46 | RETPUSHNO; |
54310121 | 47 | default: |
48 | RETPUSHUNDEF; | |
49 | } | |
a0d0e21e LW |
50 | } |
51 | ||
52 | PP(pp_regcmaybe) | |
53 | { | |
54 | return NORMAL; | |
55 | } | |
56 | ||
2cd61cdb IZ |
57 | PP(pp_regcreset) |
58 | { | |
59 | /* XXXX Should store the old value to allow for tie/overload - and | |
60 | restore in regcomp, where marked with XXXX. */ | |
3280af22 | 61 | PL_reginterp_cnt = 0; |
0b4182de | 62 | TAINT_NOT; |
2cd61cdb IZ |
63 | return NORMAL; |
64 | } | |
65 | ||
b3eb6a9b GS |
66 | PP(pp_regcomp) |
67 | { | |
39644a26 | 68 | dSP; |
a0d0e21e LW |
69 | register PMOP *pm = (PMOP*)cLOGOP->op_other; |
70 | register char *t; | |
71 | SV *tmpstr; | |
72 | STRLEN len; | |
c277df42 | 73 | MAGIC *mg = Null(MAGIC*); |
d6ae682c JH |
74 | |
75 | tmpstr = POPs; | |
513629ba | 76 | |
4b5a0d1c | 77 | /* prevent recompiling under /o and ithreads. */ |
3db8f154 | 78 | #if defined(USE_ITHREADS) |
4b5a0d1c JH |
79 | if (pm->op_pmflags & PMf_KEEP && PM_GETRE(pm)) |
80 | RETURN; | |
513629ba JH |
81 | #endif |
82 | ||
b3eb6a9b | 83 | if (SvROK(tmpstr)) { |
227a8b4b | 84 | SV *sv = SvRV(tmpstr); |
c277df42 | 85 | if(SvMAGICAL(sv)) |
14befaf4 | 86 | mg = mg_find(sv, PERL_MAGIC_qr); |
c277df42 | 87 | } |
b3eb6a9b | 88 | if (mg) { |
c277df42 | 89 | regexp *re = (regexp *)mg->mg_obj; |
aaa362c4 RS |
90 | ReREFCNT_dec(PM_GETRE(pm)); |
91 | PM_SETRE(pm, ReREFCNT_inc(re)); | |
c277df42 IZ |
92 | } |
93 | else { | |
94 | t = SvPV(tmpstr, len); | |
95 | ||
20408e3c | 96 | /* Check against the last compiled regexp. */ |
aaa362c4 | 97 | if (!PM_GETRE(pm) || !PM_GETRE(pm)->precomp || |
eb160463 | 98 | PM_GETRE(pm)->prelen != (I32)len || |
aaa362c4 | 99 | memNE(PM_GETRE(pm)->precomp, t, len)) |
85aff577 | 100 | { |
aaa362c4 | 101 | if (PM_GETRE(pm)) { |
d8f2cf8a | 102 | ReREFCNT_dec(PM_GETRE(pm)); |
aaa362c4 | 103 | PM_SETRE(pm, Null(REGEXP*)); /* crucial if regcomp aborts */ |
c277df42 | 104 | } |
533c011a | 105 | if (PL_op->op_flags & OPf_SPECIAL) |
3280af22 | 106 | PL_reginterp_cnt = I32_MAX; /* Mark as safe. */ |
a0d0e21e | 107 | |
c277df42 | 108 | pm->op_pmflags = pm->op_pmpermflags; /* reset case sensitivity */ |
84e09d5e JH |
109 | if (DO_UTF8(tmpstr)) |
110 | pm->op_pmdynflags |= PMdf_DYN_UTF8; | |
111 | else { | |
112 | pm->op_pmdynflags &= ~PMdf_DYN_UTF8; | |
113 | if (pm->op_pmdynflags & PMdf_UTF8) | |
114 | t = (char*)bytes_to_utf8((U8*)t, &len); | |
115 | } | |
aaa362c4 | 116 | PM_SETRE(pm, CALLREGCOMP(aTHX_ t, t + len, pm)); |
84e09d5e JH |
117 | if (!DO_UTF8(tmpstr) && (pm->op_pmdynflags & PMdf_UTF8)) |
118 | Safefree(t); | |
f86aaa29 | 119 | PL_reginterp_cnt = 0; /* XXXX Be extra paranoid - needed |
2cd61cdb | 120 | inside tie/overload accessors. */ |
c277df42 | 121 | } |
4633a7c4 | 122 | } |
a0d0e21e | 123 | |
72311751 | 124 | #ifndef INCOMPLETE_TAINTS |
3280af22 NIS |
125 | if (PL_tainting) { |
126 | if (PL_tainted) | |
72311751 GS |
127 | pm->op_pmdynflags |= PMdf_TAINTED; |
128 | else | |
129 | pm->op_pmdynflags &= ~PMdf_TAINTED; | |
130 | } | |
131 | #endif | |
132 | ||
aaa362c4 | 133 | if (!PM_GETRE(pm)->prelen && PL_curpm) |
3280af22 | 134 | pm = PL_curpm; |
17cbf7cc AMS |
135 | else if (strEQ("\\s+", PM_GETRE(pm)->precomp)) |
136 | pm->op_pmflags |= PMf_WHITE; | |
16bdb4ac | 137 | else |
17cbf7cc | 138 | pm->op_pmflags &= ~PMf_WHITE; |
a0d0e21e | 139 | |
2360cd68 | 140 | /* XXX runtime compiled output needs to move to the pad */ |
a0d0e21e | 141 | if (pm->op_pmflags & PMf_KEEP) { |
c90c0ff4 | 142 | pm->op_private &= ~OPpRUNTIME; /* no point compiling again */ |
3db8f154 | 143 | #if !defined(USE_ITHREADS) |
2360cd68 | 144 | /* XXX can't change the optree at runtime either */ |
533c011a | 145 | cLOGOP->op_first->op_next = PL_op->op_next; |
2360cd68 | 146 | #endif |
a0d0e21e LW |
147 | } |
148 | RETURN; | |
149 | } | |
150 | ||
151 | PP(pp_substcont) | |
152 | { | |
39644a26 | 153 | dSP; |
a0d0e21e | 154 | register PMOP *pm = (PMOP*) cLOGOP->op_other; |
c09156bb | 155 | register PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
a0d0e21e LW |
156 | register SV *dstr = cx->sb_dstr; |
157 | register char *s = cx->sb_s; | |
158 | register char *m = cx->sb_m; | |
159 | char *orig = cx->sb_orig; | |
d9f97599 | 160 | register REGEXP *rx = cx->sb_rx; |
db79b45b | 161 | SV *nsv = Nullsv; |
988e6e7e AE |
162 | REGEXP *old = PM_GETRE(pm); |
163 | if(old != rx) { | |
d8f2cf8a | 164 | if(old) |
988e6e7e | 165 | ReREFCNT_dec(old); |
d8f2cf8a | 166 | PM_SETRE(pm,rx); |
d8f2cf8a AB |
167 | } |
168 | ||
d9f97599 | 169 | rxres_restore(&cx->sb_rxres, rx); |
a30b2f1f | 170 | RX_MATCH_UTF8_set(rx, SvUTF8(cx->sb_targ)); |
c90c0ff4 | 171 | |
a0d0e21e | 172 | if (cx->sb_iters++) { |
8e5e9ebe | 173 | I32 saviters = cx->sb_iters; |
a0d0e21e | 174 | if (cx->sb_iters > cx->sb_maxiters) |
cea2e8a9 | 175 | DIE(aTHX_ "Substitution loop"); |
a0d0e21e | 176 | |
48c036b1 GS |
177 | if (!(cx->sb_rxtainted & 2) && SvTAINTED(TOPs)) |
178 | cx->sb_rxtainted |= 2; | |
a0d0e21e | 179 | sv_catsv(dstr, POPs); |
a0d0e21e LW |
180 | |
181 | /* Are we done */ | |
cea2e8a9 | 182 | if (cx->sb_once || !CALLREGEXEC(aTHX_ rx, s, cx->sb_strend, orig, |
9661b544 | 183 | s == m, cx->sb_targ, NULL, |
22e551b9 | 184 | ((cx->sb_rflags & REXEC_COPY_STR) |
cf93c79d IZ |
185 | ? (REXEC_IGNOREPOS|REXEC_NOT_FIRST) |
186 | : (REXEC_COPY_STR|REXEC_IGNOREPOS|REXEC_NOT_FIRST)))) | |
a0d0e21e LW |
187 | { |
188 | SV *targ = cx->sb_targ; | |
748a9306 | 189 | |
db79b45b JH |
190 | if (DO_UTF8(dstr) && !SvUTF8(targ)) |
191 | sv_catpvn_utf8_upgrade(dstr, s, cx->sb_strend - s, nsv); | |
192 | else | |
193 | sv_catpvn(dstr, s, cx->sb_strend - s); | |
48c036b1 | 194 | cx->sb_rxtainted |= RX_MATCH_TAINTED(rx); |
9212bbba | 195 | |
ed252734 NC |
196 | #ifdef PERL_COPY_ON_WRITE |
197 | if (SvIsCOW(targ)) { | |
198 | sv_force_normal_flags(targ, SV_COW_DROP_PV); | |
199 | } else | |
200 | #endif | |
201 | { | |
202 | (void)SvOOK_off(targ); | |
203 | if (SvLEN(targ)) | |
204 | Safefree(SvPVX(targ)); | |
205 | } | |
748a9306 LW |
206 | SvPVX(targ) = SvPVX(dstr); |
207 | SvCUR_set(targ, SvCUR(dstr)); | |
208 | SvLEN_set(targ, SvLEN(dstr)); | |
1aa99e6b IH |
209 | if (DO_UTF8(dstr)) |
210 | SvUTF8_on(targ); | |
748a9306 LW |
211 | SvPVX(dstr) = 0; |
212 | sv_free(dstr); | |
48c036b1 GS |
213 | |
214 | TAINT_IF(cx->sb_rxtainted & 1); | |
22e13caa | 215 | PUSHs(sv_2mortal(newSViv(saviters - 1))); |
48c036b1 | 216 | |
ffc61ed2 | 217 | (void)SvPOK_only_UTF8(targ); |
48c036b1 | 218 | TAINT_IF(cx->sb_rxtainted); |
a0d0e21e | 219 | SvSETMAGIC(targ); |
9212bbba | 220 | SvTAINT(targ); |
5cd24f17 | 221 | |
4633a7c4 | 222 | LEAVE_SCOPE(cx->sb_oldsave); |
d8f2cf8a | 223 | ReREFCNT_dec(rx); |
a0d0e21e LW |
224 | POPSUBST(cx); |
225 | RETURNOP(pm->op_next); | |
226 | } | |
8e5e9ebe | 227 | cx->sb_iters = saviters; |
a0d0e21e | 228 | } |
cf93c79d | 229 | if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) { |
a0d0e21e LW |
230 | m = s; |
231 | s = orig; | |
cf93c79d | 232 | cx->sb_orig = orig = rx->subbeg; |
a0d0e21e LW |
233 | s = orig + (m - s); |
234 | cx->sb_strend = s + (cx->sb_strend - m); | |
235 | } | |
cf93c79d | 236 | cx->sb_m = m = rx->startp[0] + orig; |
db79b45b JH |
237 | if (m > s) { |
238 | if (DO_UTF8(dstr) && !SvUTF8(cx->sb_targ)) | |
239 | sv_catpvn_utf8_upgrade(dstr, s, m - s, nsv); | |
240 | else | |
241 | sv_catpvn(dstr, s, m-s); | |
242 | } | |
cf93c79d | 243 | cx->sb_s = rx->endp[0] + orig; |
084916e3 JH |
244 | { /* Update the pos() information. */ |
245 | SV *sv = cx->sb_targ; | |
246 | MAGIC *mg; | |
247 | I32 i; | |
248 | if (SvTYPE(sv) < SVt_PVMG) | |
9cbac4c7 | 249 | (void)SvUPGRADE(sv, SVt_PVMG); |
14befaf4 DM |
250 | if (!(mg = mg_find(sv, PERL_MAGIC_regex_global))) { |
251 | sv_magic(sv, Nullsv, PERL_MAGIC_regex_global, Nullch, 0); | |
252 | mg = mg_find(sv, PERL_MAGIC_regex_global); | |
084916e3 JH |
253 | } |
254 | i = m - orig; | |
255 | if (DO_UTF8(sv)) | |
256 | sv_pos_b2u(sv, &i); | |
257 | mg->mg_len = i; | |
258 | } | |
988e6e7e AE |
259 | if (old != rx) |
260 | ReREFCNT_inc(rx); | |
d9f97599 GS |
261 | cx->sb_rxtainted |= RX_MATCH_TAINTED(rx); |
262 | rxres_save(&cx->sb_rxres, rx); | |
a0d0e21e LW |
263 | RETURNOP(pm->op_pmreplstart); |
264 | } | |
265 | ||
c90c0ff4 | 266 | void |
864dbfa3 | 267 | Perl_rxres_save(pTHX_ void **rsp, REGEXP *rx) |
c90c0ff4 | 268 | { |
269 | UV *p = (UV*)*rsp; | |
270 | U32 i; | |
271 | ||
d9f97599 | 272 | if (!p || p[1] < rx->nparens) { |
ed252734 NC |
273 | #ifdef PERL_COPY_ON_WRITE |
274 | i = 7 + rx->nparens * 2; | |
275 | #else | |
d9f97599 | 276 | i = 6 + rx->nparens * 2; |
ed252734 | 277 | #endif |
c90c0ff4 | 278 | if (!p) |
279 | New(501, p, i, UV); | |
280 | else | |
281 | Renew(p, i, UV); | |
282 | *rsp = (void*)p; | |
283 | } | |
284 | ||
56431972 | 285 | *p++ = PTR2UV(RX_MATCH_COPIED(rx) ? rx->subbeg : Nullch); |
cf93c79d | 286 | RX_MATCH_COPIED_off(rx); |
c90c0ff4 | 287 | |
ed252734 NC |
288 | #ifdef PERL_COPY_ON_WRITE |
289 | *p++ = PTR2UV(rx->saved_copy); | |
290 | rx->saved_copy = Nullsv; | |
291 | #endif | |
292 | ||
d9f97599 | 293 | *p++ = rx->nparens; |
c90c0ff4 | 294 | |
56431972 | 295 | *p++ = PTR2UV(rx->subbeg); |
cf93c79d | 296 | *p++ = (UV)rx->sublen; |
d9f97599 GS |
297 | for (i = 0; i <= rx->nparens; ++i) { |
298 | *p++ = (UV)rx->startp[i]; | |
299 | *p++ = (UV)rx->endp[i]; | |
c90c0ff4 | 300 | } |
301 | } | |
302 | ||
303 | void | |
864dbfa3 | 304 | Perl_rxres_restore(pTHX_ void **rsp, REGEXP *rx) |
c90c0ff4 | 305 | { |
306 | UV *p = (UV*)*rsp; | |
307 | U32 i; | |
308 | ||
ed252734 | 309 | RX_MATCH_COPY_FREE(rx); |
cf93c79d | 310 | RX_MATCH_COPIED_set(rx, *p); |
c90c0ff4 | 311 | *p++ = 0; |
312 | ||
ed252734 NC |
313 | #ifdef PERL_COPY_ON_WRITE |
314 | if (rx->saved_copy) | |
315 | SvREFCNT_dec (rx->saved_copy); | |
316 | rx->saved_copy = INT2PTR(SV*,*p); | |
317 | *p++ = 0; | |
318 | #endif | |
319 | ||
d9f97599 | 320 | rx->nparens = *p++; |
c90c0ff4 | 321 | |
56431972 | 322 | rx->subbeg = INT2PTR(char*,*p++); |
cf93c79d | 323 | rx->sublen = (I32)(*p++); |
d9f97599 | 324 | for (i = 0; i <= rx->nparens; ++i) { |
cf93c79d IZ |
325 | rx->startp[i] = (I32)(*p++); |
326 | rx->endp[i] = (I32)(*p++); | |
c90c0ff4 | 327 | } |
328 | } | |
329 | ||
330 | void | |
864dbfa3 | 331 | Perl_rxres_free(pTHX_ void **rsp) |
c90c0ff4 | 332 | { |
333 | UV *p = (UV*)*rsp; | |
334 | ||
335 | if (p) { | |
56431972 | 336 | Safefree(INT2PTR(char*,*p)); |
ed252734 NC |
337 | #ifdef PERL_COPY_ON_WRITE |
338 | if (p[1]) { | |
339 | SvREFCNT_dec (INT2PTR(SV*,p[1])); | |
340 | } | |
341 | #endif | |
c90c0ff4 | 342 | Safefree(p); |
343 | *rsp = Null(void*); | |
344 | } | |
345 | } | |
346 | ||
a0d0e21e LW |
347 | PP(pp_formline) |
348 | { | |
39644a26 | 349 | dSP; dMARK; dORIGMARK; |
76e3520e | 350 | register SV *tmpForm = *++MARK; |
dea28490 | 351 | register U32 *fpc; |
a0d0e21e LW |
352 | register char *t; |
353 | register char *f; | |
354 | register char *s; | |
355 | register char *send; | |
356 | register I32 arg; | |
9c5ffd7c JH |
357 | register SV *sv = Nullsv; |
358 | char *item = Nullch; | |
359 | I32 itemsize = 0; | |
360 | I32 fieldsize = 0; | |
a0d0e21e | 361 | I32 lines = 0; |
3280af22 | 362 | bool chopspace = (strchr(PL_chopset, ' ') != Nullch); |
9c5ffd7c JH |
363 | char *chophere = Nullch; |
364 | char *linemark = Nullch; | |
65202027 | 365 | NV value; |
9c5ffd7c | 366 | bool gotsome = FALSE; |
a0d0e21e | 367 | STRLEN len; |
0064a8a9 | 368 | STRLEN fudge = SvCUR(tmpForm) * (IN_BYTES ? 1 : 3) + 1; |
1bd51a4c IH |
369 | bool item_is_utf8 = FALSE; |
370 | bool targ_is_utf8 = FALSE; | |
78da4d13 | 371 | SV * nsv = Nullsv; |
a1b95068 WL |
372 | OP * parseres = 0; |
373 | char *fmt; | |
374 | bool oneline; | |
a0d0e21e | 375 | |
76e3520e | 376 | if (!SvMAGICAL(tmpForm) || !SvCOMPILED(tmpForm)) { |
445b3f51 GS |
377 | if (SvREADONLY(tmpForm)) { |
378 | SvREADONLY_off(tmpForm); | |
a1b95068 | 379 | parseres = doparseform(tmpForm); |
445b3f51 GS |
380 | SvREADONLY_on(tmpForm); |
381 | } | |
382 | else | |
a1b95068 WL |
383 | parseres = doparseform(tmpForm); |
384 | if (parseres) | |
385 | return parseres; | |
a0d0e21e | 386 | } |
3280af22 | 387 | SvPV_force(PL_formtarget, len); |
1bd51a4c IH |
388 | if (DO_UTF8(PL_formtarget)) |
389 | targ_is_utf8 = TRUE; | |
a0ed51b3 | 390 | t = SvGROW(PL_formtarget, len + fudge + 1); /* XXX SvCUR bad */ |
a0d0e21e | 391 | t += len; |
76e3520e | 392 | f = SvPV(tmpForm, len); |
a0d0e21e | 393 | /* need to jump to the next word */ |
76e3520e | 394 | s = f + len + WORD_ALIGN - SvCUR(tmpForm) % WORD_ALIGN; |
a0d0e21e | 395 | |
dea28490 | 396 | fpc = (U32*)s; |
a0d0e21e LW |
397 | |
398 | for (;;) { | |
399 | DEBUG_f( { | |
400 | char *name = "???"; | |
401 | arg = -1; | |
402 | switch (*fpc) { | |
403 | case FF_LITERAL: arg = fpc[1]; name = "LITERAL"; break; | |
404 | case FF_BLANK: arg = fpc[1]; name = "BLANK"; break; | |
405 | case FF_SKIP: arg = fpc[1]; name = "SKIP"; break; | |
406 | case FF_FETCH: arg = fpc[1]; name = "FETCH"; break; | |
407 | case FF_DECIMAL: arg = fpc[1]; name = "DECIMAL"; break; | |
408 | ||
409 | case FF_CHECKNL: name = "CHECKNL"; break; | |
410 | case FF_CHECKCHOP: name = "CHECKCHOP"; break; | |
411 | case FF_SPACE: name = "SPACE"; break; | |
412 | case FF_HALFSPACE: name = "HALFSPACE"; break; | |
413 | case FF_ITEM: name = "ITEM"; break; | |
414 | case FF_CHOP: name = "CHOP"; break; | |
415 | case FF_LINEGLOB: name = "LINEGLOB"; break; | |
416 | case FF_NEWLINE: name = "NEWLINE"; break; | |
417 | case FF_MORE: name = "MORE"; break; | |
418 | case FF_LINEMARK: name = "LINEMARK"; break; | |
419 | case FF_END: name = "END"; break; | |
784707d5 | 420 | case FF_0DECIMAL: name = "0DECIMAL"; break; |
a1b95068 | 421 | case FF_LINESNGL: name = "LINESNGL"; break; |
a0d0e21e LW |
422 | } |
423 | if (arg >= 0) | |
bf49b057 | 424 | PerlIO_printf(Perl_debug_log, "%-16s%ld\n", name, (long) arg); |
a0d0e21e | 425 | else |
bf49b057 | 426 | PerlIO_printf(Perl_debug_log, "%-16s\n", name); |
5f80b19c | 427 | } ); |
a0d0e21e LW |
428 | switch (*fpc++) { |
429 | case FF_LINEMARK: | |
430 | linemark = t; | |
a0d0e21e LW |
431 | lines++; |
432 | gotsome = FALSE; | |
433 | break; | |
434 | ||
435 | case FF_LITERAL: | |
436 | arg = *fpc++; | |
1bd51a4c | 437 | if (targ_is_utf8 && !SvUTF8(tmpForm)) { |
78da4d13 JH |
438 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); |
439 | *t = '\0'; | |
440 | sv_catpvn_utf8_upgrade(PL_formtarget, f, arg, nsv); | |
441 | t = SvEND(PL_formtarget); | |
1bd51a4c IH |
442 | break; |
443 | } | |
444 | if (!targ_is_utf8 && DO_UTF8(tmpForm)) { | |
445 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); | |
446 | *t = '\0'; | |
447 | sv_utf8_upgrade(PL_formtarget); | |
448 | SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1); | |
449 | t = SvEND(PL_formtarget); | |
450 | targ_is_utf8 = TRUE; | |
451 | } | |
a0d0e21e LW |
452 | while (arg--) |
453 | *t++ = *f++; | |
454 | break; | |
455 | ||
456 | case FF_SKIP: | |
457 | f += *fpc++; | |
458 | break; | |
459 | ||
460 | case FF_FETCH: | |
461 | arg = *fpc++; | |
462 | f += arg; | |
463 | fieldsize = arg; | |
464 | ||
465 | if (MARK < SP) | |
466 | sv = *++MARK; | |
467 | else { | |
3280af22 | 468 | sv = &PL_sv_no; |
599cee73 | 469 | if (ckWARN(WARN_SYNTAX)) |
9014280d | 470 | Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Not enough format arguments"); |
a0d0e21e LW |
471 | } |
472 | break; | |
473 | ||
474 | case FF_CHECKNL: | |
475 | item = s = SvPV(sv, len); | |
476 | itemsize = len; | |
7e2040f0 | 477 | if (DO_UTF8(sv)) { |
a0ed51b3 | 478 | itemsize = sv_len_utf8(sv); |
eb160463 | 479 | if (itemsize != (I32)len) { |
a0ed51b3 LW |
480 | I32 itembytes; |
481 | if (itemsize > fieldsize) { | |
482 | itemsize = fieldsize; | |
483 | itembytes = itemsize; | |
484 | sv_pos_u2b(sv, &itembytes, 0); | |
485 | } | |
486 | else | |
487 | itembytes = len; | |
488 | send = chophere = s + itembytes; | |
489 | while (s < send) { | |
490 | if (*s & ~31) | |
491 | gotsome = TRUE; | |
492 | else if (*s == '\n') | |
493 | break; | |
494 | s++; | |
495 | } | |
1bd51a4c | 496 | item_is_utf8 = TRUE; |
a0ed51b3 LW |
497 | itemsize = s - item; |
498 | sv_pos_b2u(sv, &itemsize); | |
499 | break; | |
500 | } | |
501 | } | |
1bd51a4c | 502 | item_is_utf8 = FALSE; |
a0d0e21e LW |
503 | if (itemsize > fieldsize) |
504 | itemsize = fieldsize; | |
505 | send = chophere = s + itemsize; | |
506 | while (s < send) { | |
507 | if (*s & ~31) | |
508 | gotsome = TRUE; | |
509 | else if (*s == '\n') | |
510 | break; | |
511 | s++; | |
512 | } | |
513 | itemsize = s - item; | |
514 | break; | |
515 | ||
516 | case FF_CHECKCHOP: | |
517 | item = s = SvPV(sv, len); | |
518 | itemsize = len; | |
7e2040f0 | 519 | if (DO_UTF8(sv)) { |
a0ed51b3 | 520 | itemsize = sv_len_utf8(sv); |
eb160463 | 521 | if (itemsize != (I32)len) { |
a0ed51b3 LW |
522 | I32 itembytes; |
523 | if (itemsize <= fieldsize) { | |
524 | send = chophere = s + itemsize; | |
525 | while (s < send) { | |
526 | if (*s == '\r') { | |
527 | itemsize = s - item; | |
a1b95068 | 528 | chophere = s; |
a0ed51b3 LW |
529 | break; |
530 | } | |
531 | if (*s++ & ~31) | |
532 | gotsome = TRUE; | |
533 | } | |
534 | } | |
535 | else { | |
536 | itemsize = fieldsize; | |
537 | itembytes = itemsize; | |
538 | sv_pos_u2b(sv, &itembytes, 0); | |
539 | send = chophere = s + itembytes; | |
540 | while (s < send || (s == send && isSPACE(*s))) { | |
541 | if (isSPACE(*s)) { | |
542 | if (chopspace) | |
543 | chophere = s; | |
544 | if (*s == '\r') | |
545 | break; | |
546 | } | |
547 | else { | |
548 | if (*s & ~31) | |
549 | gotsome = TRUE; | |
550 | if (strchr(PL_chopset, *s)) | |
551 | chophere = s + 1; | |
552 | } | |
553 | s++; | |
554 | } | |
555 | itemsize = chophere - item; | |
556 | sv_pos_b2u(sv, &itemsize); | |
557 | } | |
1bd51a4c | 558 | item_is_utf8 = TRUE; |
a0ed51b3 LW |
559 | break; |
560 | } | |
561 | } | |
1bd51a4c | 562 | item_is_utf8 = FALSE; |
a0d0e21e LW |
563 | if (itemsize <= fieldsize) { |
564 | send = chophere = s + itemsize; | |
565 | while (s < send) { | |
566 | if (*s == '\r') { | |
567 | itemsize = s - item; | |
a1b95068 | 568 | chophere = s; |
a0d0e21e LW |
569 | break; |
570 | } | |
571 | if (*s++ & ~31) | |
572 | gotsome = TRUE; | |
573 | } | |
574 | } | |
575 | else { | |
576 | itemsize = fieldsize; | |
577 | send = chophere = s + itemsize; | |
578 | while (s < send || (s == send && isSPACE(*s))) { | |
579 | if (isSPACE(*s)) { | |
580 | if (chopspace) | |
581 | chophere = s; | |
582 | if (*s == '\r') | |
583 | break; | |
584 | } | |
585 | else { | |
586 | if (*s & ~31) | |
587 | gotsome = TRUE; | |
3280af22 | 588 | if (strchr(PL_chopset, *s)) |
a0d0e21e LW |
589 | chophere = s + 1; |
590 | } | |
591 | s++; | |
592 | } | |
593 | itemsize = chophere - item; | |
594 | } | |
595 | break; | |
596 | ||
597 | case FF_SPACE: | |
598 | arg = fieldsize - itemsize; | |
599 | if (arg) { | |
600 | fieldsize -= arg; | |
601 | while (arg-- > 0) | |
602 | *t++ = ' '; | |
603 | } | |
604 | break; | |
605 | ||
606 | case FF_HALFSPACE: | |
607 | arg = fieldsize - itemsize; | |
608 | if (arg) { | |
609 | arg /= 2; | |
610 | fieldsize -= arg; | |
611 | while (arg-- > 0) | |
612 | *t++ = ' '; | |
613 | } | |
614 | break; | |
615 | ||
616 | case FF_ITEM: | |
617 | arg = itemsize; | |
618 | s = item; | |
1bd51a4c IH |
619 | if (item_is_utf8) { |
620 | if (!targ_is_utf8) { | |
621 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); | |
622 | *t = '\0'; | |
623 | sv_utf8_upgrade(PL_formtarget); | |
624 | SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1); | |
625 | t = SvEND(PL_formtarget); | |
626 | targ_is_utf8 = TRUE; | |
627 | } | |
a0ed51b3 | 628 | while (arg--) { |
fd400ab9 | 629 | if (UTF8_IS_CONTINUED(*s)) { |
63cd0674 NIS |
630 | STRLEN skip = UTF8SKIP(s); |
631 | switch (skip) { | |
632 | default: | |
633 | Move(s,t,skip,char); | |
634 | s += skip; | |
635 | t += skip; | |
636 | break; | |
a0ed51b3 LW |
637 | case 7: *t++ = *s++; |
638 | case 6: *t++ = *s++; | |
639 | case 5: *t++ = *s++; | |
640 | case 4: *t++ = *s++; | |
641 | case 3: *t++ = *s++; | |
642 | case 2: *t++ = *s++; | |
643 | case 1: *t++ = *s++; | |
644 | } | |
645 | } | |
646 | else { | |
647 | if ( !((*t++ = *s++) & ~31) ) | |
648 | t[-1] = ' '; | |
649 | } | |
650 | } | |
651 | break; | |
652 | } | |
78da4d13 JH |
653 | if (targ_is_utf8 && !item_is_utf8) { |
654 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); | |
655 | *t = '\0'; | |
656 | sv_catpvn_utf8_upgrade(PL_formtarget, s, arg, nsv); | |
657 | for (; t < SvEND(PL_formtarget); t++) { | |
658 | #ifdef EBCDIC | |
a1b95068 | 659 | int ch = *t; |
78da4d13 JH |
660 | if (iscntrl(ch)) |
661 | #else | |
662 | if (!(*t & ~31)) | |
663 | #endif | |
664 | *t = ' '; | |
665 | } | |
666 | break; | |
667 | } | |
a0d0e21e | 668 | while (arg--) { |
9d116dd7 | 669 | #ifdef EBCDIC |
a0d0e21e | 670 | int ch = *t++ = *s++; |
9d116dd7 | 671 | if (iscntrl(ch)) |
a0d0e21e LW |
672 | #else |
673 | if ( !((*t++ = *s++) & ~31) ) | |
a0d0e21e | 674 | #endif |
9d116dd7 | 675 | t[-1] = ' '; |
a0d0e21e LW |
676 | } |
677 | break; | |
678 | ||
679 | case FF_CHOP: | |
680 | s = chophere; | |
681 | if (chopspace) { | |
682 | while (*s && isSPACE(*s)) | |
683 | s++; | |
684 | } | |
685 | sv_chop(sv,s); | |
ea42cebc | 686 | SvSETMAGIC(sv); |
a0d0e21e LW |
687 | break; |
688 | ||
a1b95068 WL |
689 | case FF_LINESNGL: |
690 | chopspace = 0; | |
691 | oneline = TRUE; | |
692 | goto ff_line; | |
a0d0e21e | 693 | case FF_LINEGLOB: |
a1b95068 WL |
694 | oneline = FALSE; |
695 | ff_line: | |
a0d0e21e LW |
696 | item = s = SvPV(sv, len); |
697 | itemsize = len; | |
1bd51a4c IH |
698 | if ((item_is_utf8 = DO_UTF8(sv))) |
699 | itemsize = sv_len_utf8(sv); | |
a0d0e21e | 700 | if (itemsize) { |
1bd51a4c | 701 | bool chopped = FALSE; |
a0d0e21e | 702 | gotsome = TRUE; |
1bd51a4c | 703 | send = s + len; |
a1b95068 | 704 | chophere = s + itemsize; |
a0d0e21e LW |
705 | while (s < send) { |
706 | if (*s++ == '\n') { | |
a1b95068 | 707 | if (oneline) { |
1bd51a4c | 708 | chopped = TRUE; |
a1b95068 WL |
709 | chophere = s; |
710 | break; | |
711 | } else { | |
712 | if (s == send) { | |
713 | itemsize--; | |
714 | chopped = TRUE; | |
715 | } else | |
716 | lines++; | |
1bd51a4c | 717 | } |
a0d0e21e LW |
718 | } |
719 | } | |
3280af22 | 720 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); |
1bd51a4c IH |
721 | if (targ_is_utf8) |
722 | SvUTF8_on(PL_formtarget); | |
a1b95068 WL |
723 | if (oneline) { |
724 | SvCUR_set(sv, chophere - item); | |
725 | sv_catsv(PL_formtarget, sv); | |
726 | SvCUR_set(sv, itemsize); | |
727 | } else | |
728 | sv_catsv(PL_formtarget, sv); | |
1bd51a4c IH |
729 | if (chopped) |
730 | SvCUR_set(PL_formtarget, SvCUR(PL_formtarget) - 1); | |
a0ed51b3 | 731 | SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1); |
3280af22 | 732 | t = SvPVX(PL_formtarget) + SvCUR(PL_formtarget); |
1bd51a4c IH |
733 | if (item_is_utf8) |
734 | targ_is_utf8 = TRUE; | |
a0d0e21e LW |
735 | } |
736 | break; | |
737 | ||
a1b95068 WL |
738 | case FF_0DECIMAL: |
739 | arg = *fpc++; | |
740 | #if defined(USE_LONG_DOUBLE) | |
741 | fmt = (arg & 256) ? "%#0*.*" PERL_PRIfldbl : "%0*.*" PERL_PRIfldbl; | |
742 | #else | |
743 | fmt = (arg & 256) ? "%#0*.*f" : "%0*.*f"; | |
744 | #endif | |
745 | goto ff_dec; | |
a0d0e21e | 746 | case FF_DECIMAL: |
a0d0e21e | 747 | arg = *fpc++; |
65202027 | 748 | #if defined(USE_LONG_DOUBLE) |
a1b95068 | 749 | fmt = (arg & 256) ? "%#*.*" PERL_PRIfldbl : "%*.*" PERL_PRIfldbl; |
65202027 | 750 | #else |
a1b95068 | 751 | fmt = (arg & 256) ? "%#*.*f" : "%*.*f"; |
65202027 | 752 | #endif |
a1b95068 | 753 | ff_dec: |
784707d5 JP |
754 | /* If the field is marked with ^ and the value is undefined, |
755 | blank it out. */ | |
784707d5 JP |
756 | if ((arg & 512) && !SvOK(sv)) { |
757 | arg = fieldsize; | |
758 | while (arg--) | |
759 | *t++ = ' '; | |
760 | break; | |
761 | } | |
762 | gotsome = TRUE; | |
763 | value = SvNV(sv); | |
a1b95068 WL |
764 | /* overflow evidence */ |
765 | if (num_overflow(value, fieldsize, arg)) { | |
766 | arg = fieldsize; | |
767 | while (arg--) | |
768 | *t++ = '#'; | |
769 | break; | |
770 | } | |
784707d5 JP |
771 | /* Formats aren't yet marked for locales, so assume "yes". */ |
772 | { | |
773 | STORE_NUMERIC_STANDARD_SET_LOCAL(); | |
a1b95068 | 774 | sprintf(t, fmt, (int) fieldsize, (int) arg & 255, value); |
784707d5 JP |
775 | RESTORE_NUMERIC_STANDARD(); |
776 | } | |
777 | t += fieldsize; | |
778 | break; | |
a1b95068 | 779 | |
a0d0e21e LW |
780 | case FF_NEWLINE: |
781 | f++; | |
782 | while (t-- > linemark && *t == ' ') ; | |
783 | t++; | |
784 | *t++ = '\n'; | |
785 | break; | |
786 | ||
787 | case FF_BLANK: | |
788 | arg = *fpc++; | |
789 | if (gotsome) { | |
790 | if (arg) { /* repeat until fields exhausted? */ | |
791 | *t = '\0'; | |
3280af22 NIS |
792 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); |
793 | lines += FmLINES(PL_formtarget); | |
a0d0e21e LW |
794 | if (lines == 200) { |
795 | arg = t - linemark; | |
796 | if (strnEQ(linemark, linemark - arg, arg)) | |
cea2e8a9 | 797 | DIE(aTHX_ "Runaway format"); |
a0d0e21e | 798 | } |
1bd51a4c IH |
799 | if (targ_is_utf8) |
800 | SvUTF8_on(PL_formtarget); | |
3280af22 | 801 | FmLINES(PL_formtarget) = lines; |
a0d0e21e LW |
802 | SP = ORIGMARK; |
803 | RETURNOP(cLISTOP->op_first); | |
804 | } | |
805 | } | |
806 | else { | |
807 | t = linemark; | |
808 | lines--; | |
809 | } | |
810 | break; | |
811 | ||
812 | case FF_MORE: | |
7056ecde KM |
813 | s = chophere; |
814 | send = item + len; | |
815 | if (chopspace) { | |
816 | while (*s && isSPACE(*s) && s < send) | |
817 | s++; | |
818 | } | |
819 | if (s < send) { | |
a0d0e21e LW |
820 | arg = fieldsize - itemsize; |
821 | if (arg) { | |
822 | fieldsize -= arg; | |
823 | while (arg-- > 0) | |
824 | *t++ = ' '; | |
825 | } | |
826 | s = t - 3; | |
827 | if (strnEQ(s," ",3)) { | |
3280af22 | 828 | while (s > SvPVX(PL_formtarget) && isSPACE(s[-1])) |
a0d0e21e LW |
829 | s--; |
830 | } | |
831 | *s++ = '.'; | |
832 | *s++ = '.'; | |
833 | *s++ = '.'; | |
834 | } | |
835 | break; | |
836 | ||
837 | case FF_END: | |
838 | *t = '\0'; | |
3280af22 | 839 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); |
1bd51a4c IH |
840 | if (targ_is_utf8) |
841 | SvUTF8_on(PL_formtarget); | |
3280af22 | 842 | FmLINES(PL_formtarget) += lines; |
a0d0e21e LW |
843 | SP = ORIGMARK; |
844 | RETPUSHYES; | |
845 | } | |
846 | } | |
847 | } | |
848 | ||
849 | PP(pp_grepstart) | |
850 | { | |
39644a26 | 851 | dSP; |
a0d0e21e LW |
852 | SV *src; |
853 | ||
3280af22 | 854 | if (PL_stack_base + *PL_markstack_ptr == SP) { |
a0d0e21e | 855 | (void)POPMARK; |
54310121 | 856 | if (GIMME_V == G_SCALAR) |
0b024f31 | 857 | XPUSHs(sv_2mortal(newSViv(0))); |
533c011a | 858 | RETURNOP(PL_op->op_next->op_next); |
a0d0e21e | 859 | } |
3280af22 | 860 | PL_stack_sp = PL_stack_base + *PL_markstack_ptr + 1; |
cea2e8a9 GS |
861 | pp_pushmark(); /* push dst */ |
862 | pp_pushmark(); /* push src */ | |
a0d0e21e LW |
863 | ENTER; /* enter outer scope */ |
864 | ||
865 | SAVETMPS; | |
4d1ff10f | 866 | /* SAVE_DEFSV does *not* suffice here for USE_5005THREADS */ |
127ad2b7 | 867 | SAVESPTR(DEFSV); |
a0d0e21e | 868 | ENTER; /* enter inner scope */ |
7766f137 | 869 | SAVEVPTR(PL_curpm); |
a0d0e21e | 870 | |
3280af22 | 871 | src = PL_stack_base[*PL_markstack_ptr]; |
a0d0e21e | 872 | SvTEMP_off(src); |
54b9620d | 873 | DEFSV = src; |
a0d0e21e LW |
874 | |
875 | PUTBACK; | |
533c011a | 876 | if (PL_op->op_type == OP_MAPSTART) |
cea2e8a9 | 877 | pp_pushmark(); /* push top */ |
533c011a | 878 | return ((LOGOP*)PL_op->op_next)->op_other; |
a0d0e21e LW |
879 | } |
880 | ||
881 | PP(pp_mapstart) | |
882 | { | |
cea2e8a9 | 883 | DIE(aTHX_ "panic: mapstart"); /* uses grepstart */ |
a0d0e21e LW |
884 | } |
885 | ||
886 | PP(pp_mapwhile) | |
887 | { | |
39644a26 | 888 | dSP; |
4c90a460 | 889 | I32 gimme = GIMME_V; |
544f3153 | 890 | I32 items = (SP - PL_stack_base) - *PL_markstack_ptr; /* how many new items */ |
a0d0e21e LW |
891 | I32 count; |
892 | I32 shift; | |
893 | SV** src; | |
ac27b0f5 | 894 | SV** dst; |
a0d0e21e | 895 | |
544f3153 | 896 | /* first, move source pointer to the next item in the source list */ |
3280af22 | 897 | ++PL_markstack_ptr[-1]; |
544f3153 GS |
898 | |
899 | /* if there are new items, push them into the destination list */ | |
4c90a460 | 900 | if (items && gimme != G_VOID) { |
544f3153 GS |
901 | /* might need to make room back there first */ |
902 | if (items > PL_markstack_ptr[-1] - PL_markstack_ptr[-2]) { | |
903 | /* XXX this implementation is very pessimal because the stack | |
904 | * is repeatedly extended for every set of items. Is possible | |
905 | * to do this without any stack extension or copying at all | |
906 | * by maintaining a separate list over which the map iterates | |
18ef8bea | 907 | * (like foreach does). --gsar */ |
544f3153 GS |
908 | |
909 | /* everything in the stack after the destination list moves | |
910 | * towards the end the stack by the amount of room needed */ | |
911 | shift = items - (PL_markstack_ptr[-1] - PL_markstack_ptr[-2]); | |
912 | ||
913 | /* items to shift up (accounting for the moved source pointer) */ | |
914 | count = (SP - PL_stack_base) - (PL_markstack_ptr[-1] - 1); | |
18ef8bea BT |
915 | |
916 | /* This optimization is by Ben Tilly and it does | |
917 | * things differently from what Sarathy (gsar) | |
918 | * is describing. The downside of this optimization is | |
919 | * that leaves "holes" (uninitialized and hopefully unused areas) | |
920 | * to the Perl stack, but on the other hand this | |
921 | * shouldn't be a problem. If Sarathy's idea gets | |
922 | * implemented, this optimization should become | |
923 | * irrelevant. --jhi */ | |
924 | if (shift < count) | |
925 | shift = count; /* Avoid shifting too often --Ben Tilly */ | |
ac27b0f5 | 926 | |
924508f0 GS |
927 | EXTEND(SP,shift); |
928 | src = SP; | |
929 | dst = (SP += shift); | |
3280af22 NIS |
930 | PL_markstack_ptr[-1] += shift; |
931 | *PL_markstack_ptr += shift; | |
544f3153 | 932 | while (count--) |
a0d0e21e LW |
933 | *dst-- = *src--; |
934 | } | |
544f3153 | 935 | /* copy the new items down to the destination list */ |
ac27b0f5 | 936 | dst = PL_stack_base + (PL_markstack_ptr[-2] += items) - 1; |
fb14229d | 937 | while (items-- > 0) |
ac27b0f5 | 938 | *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs); |
a0d0e21e LW |
939 | } |
940 | LEAVE; /* exit inner scope */ | |
941 | ||
942 | /* All done yet? */ | |
3280af22 | 943 | if (PL_markstack_ptr[-1] > *PL_markstack_ptr) { |
a0d0e21e LW |
944 | |
945 | (void)POPMARK; /* pop top */ | |
946 | LEAVE; /* exit outer scope */ | |
947 | (void)POPMARK; /* pop src */ | |
3280af22 | 948 | items = --*PL_markstack_ptr - PL_markstack_ptr[-1]; |
a0d0e21e | 949 | (void)POPMARK; /* pop dst */ |
3280af22 | 950 | SP = PL_stack_base + POPMARK; /* pop original mark */ |
54310121 | 951 | if (gimme == G_SCALAR) { |
a0d0e21e LW |
952 | dTARGET; |
953 | XPUSHi(items); | |
a0d0e21e | 954 | } |
54310121 | 955 | else if (gimme == G_ARRAY) |
956 | SP += items; | |
a0d0e21e LW |
957 | RETURN; |
958 | } | |
959 | else { | |
960 | SV *src; | |
961 | ||
962 | ENTER; /* enter inner scope */ | |
7766f137 | 963 | SAVEVPTR(PL_curpm); |
a0d0e21e | 964 | |
544f3153 | 965 | /* set $_ to the new source item */ |
3280af22 | 966 | src = PL_stack_base[PL_markstack_ptr[-1]]; |
a0d0e21e | 967 | SvTEMP_off(src); |
54b9620d | 968 | DEFSV = src; |
a0d0e21e LW |
969 | |
970 | RETURNOP(cLOGOP->op_other); | |
971 | } | |
972 | } | |
973 | ||
a0d0e21e LW |
974 | /* Range stuff. */ |
975 | ||
976 | PP(pp_range) | |
977 | { | |
978 | if (GIMME == G_ARRAY) | |
1a67a97c | 979 | return NORMAL; |
538573f7 | 980 | if (SvTRUEx(PAD_SV(PL_op->op_targ))) |
1a67a97c | 981 | return cLOGOP->op_other; |
538573f7 | 982 | else |
1a67a97c | 983 | return NORMAL; |
a0d0e21e LW |
984 | } |
985 | ||
986 | PP(pp_flip) | |
987 | { | |
39644a26 | 988 | dSP; |
a0d0e21e LW |
989 | |
990 | if (GIMME == G_ARRAY) { | |
1a67a97c | 991 | RETURNOP(((LOGOP*)cUNOP->op_first)->op_other); |
a0d0e21e LW |
992 | } |
993 | else { | |
994 | dTOPss; | |
533c011a | 995 | SV *targ = PAD_SV(PL_op->op_targ); |
4e3399f9 | 996 | int flip = 0; |
790090df HS |
997 | |
998 | if (PL_op->op_private & OPpFLIP_LINENUM) { | |
4e3399f9 YST |
999 | if (GvIO(PL_last_in_gv)) { |
1000 | flip = SvIV(sv) == (IV)IoLINES(GvIOp(PL_last_in_gv)); | |
1001 | } | |
1002 | else { | |
1003 | GV *gv = gv_fetchpv(".", TRUE, SVt_PV); | |
1004 | if (gv && GvSV(gv)) flip = SvIV(sv) == SvIV(GvSV(gv)); | |
1005 | } | |
790090df HS |
1006 | } else { |
1007 | flip = SvTRUE(sv); | |
1008 | } | |
1009 | if (flip) { | |
a0d0e21e | 1010 | sv_setiv(PAD_SV(cUNOP->op_first->op_targ), 1); |
533c011a | 1011 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e | 1012 | sv_setiv(targ, 1); |
3e3baf6d | 1013 | SETs(targ); |
a0d0e21e LW |
1014 | RETURN; |
1015 | } | |
1016 | else { | |
1017 | sv_setiv(targ, 0); | |
924508f0 | 1018 | SP--; |
1a67a97c | 1019 | RETURNOP(((LOGOP*)cUNOP->op_first)->op_other); |
a0d0e21e LW |
1020 | } |
1021 | } | |
1022 | sv_setpv(TARG, ""); | |
1023 | SETs(targ); | |
1024 | RETURN; | |
1025 | } | |
1026 | } | |
1027 | ||
8e9bbdb9 RGS |
1028 | /* This code tries to decide if "$left .. $right" should use the |
1029 | magical string increment, or if the range is numeric (we make | |
1030 | an exception for .."0" [#18165]). AMS 20021031. */ | |
1031 | ||
1032 | #define RANGE_IS_NUMERIC(left,right) ( \ | |
b0e74086 RGS |
1033 | SvNIOKp(left) || (SvOK(left) && !SvPOKp(left)) || \ |
1034 | SvNIOKp(right) || (SvOK(right) && !SvPOKp(right)) || \ | |
1035 | (looks_like_number(left) && SvPOKp(left) && *SvPVX(left) != '0' && \ | |
8e9bbdb9 RGS |
1036 | looks_like_number(right))) |
1037 | ||
a0d0e21e LW |
1038 | PP(pp_flop) |
1039 | { | |
39644a26 | 1040 | dSP; |
a0d0e21e LW |
1041 | |
1042 | if (GIMME == G_ARRAY) { | |
1043 | dPOPPOPssrl; | |
c1ab3db2 | 1044 | register I32 i, j; |
a0d0e21e LW |
1045 | register SV *sv; |
1046 | I32 max; | |
86cb7173 HS |
1047 | |
1048 | if (SvGMAGICAL(left)) | |
1049 | mg_get(left); | |
1050 | if (SvGMAGICAL(right)) | |
1051 | mg_get(right); | |
a0d0e21e | 1052 | |
8e9bbdb9 | 1053 | if (RANGE_IS_NUMERIC(left,right)) { |
c1ab3db2 | 1054 | if (SvNV(left) < IV_MIN || SvNV(right) > IV_MAX) |
d470f89e | 1055 | DIE(aTHX_ "Range iterator outside integer range"); |
a0d0e21e LW |
1056 | i = SvIV(left); |
1057 | max = SvIV(right); | |
bbce6d69 | 1058 | if (max >= i) { |
c1ab3db2 AK |
1059 | j = max - i + 1; |
1060 | EXTEND_MORTAL(j); | |
1061 | EXTEND(SP, j); | |
bbce6d69 | 1062 | } |
c1ab3db2 AK |
1063 | else |
1064 | j = 0; | |
1065 | while (j--) { | |
bbce6d69 | 1066 | sv = sv_2mortal(newSViv(i++)); |
a0d0e21e LW |
1067 | PUSHs(sv); |
1068 | } | |
1069 | } | |
1070 | else { | |
1071 | SV *final = sv_mortalcopy(right); | |
2d8e6c8d | 1072 | STRLEN len, n_a; |
a0d0e21e LW |
1073 | char *tmps = SvPV(final, len); |
1074 | ||
1075 | sv = sv_mortalcopy(left); | |
2d8e6c8d | 1076 | SvPV_force(sv,n_a); |
89ea2908 | 1077 | while (!SvNIOKp(sv) && SvCUR(sv) <= len) { |
a0d0e21e | 1078 | XPUSHs(sv); |
89ea2908 GA |
1079 | if (strEQ(SvPVX(sv),tmps)) |
1080 | break; | |
a0d0e21e LW |
1081 | sv = sv_2mortal(newSVsv(sv)); |
1082 | sv_inc(sv); | |
1083 | } | |
a0d0e21e LW |
1084 | } |
1085 | } | |
1086 | else { | |
1087 | dTOPss; | |
1088 | SV *targ = PAD_SV(cUNOP->op_first->op_targ); | |
4e3399f9 | 1089 | int flop = 0; |
a0d0e21e | 1090 | sv_inc(targ); |
4e3399f9 YST |
1091 | |
1092 | if (PL_op->op_private & OPpFLIP_LINENUM) { | |
1093 | if (GvIO(PL_last_in_gv)) { | |
1094 | flop = SvIV(sv) == (IV)IoLINES(GvIOp(PL_last_in_gv)); | |
1095 | } | |
1096 | else { | |
1097 | GV *gv = gv_fetchpv(".", TRUE, SVt_PV); | |
1098 | if (gv && GvSV(gv)) flop = SvIV(sv) == SvIV(GvSV(gv)); | |
1099 | } | |
1100 | } | |
1101 | else { | |
1102 | flop = SvTRUE(sv); | |
1103 | } | |
1104 | ||
1105 | if (flop) { | |
a0d0e21e LW |
1106 | sv_setiv(PAD_SV(((UNOP*)cUNOP->op_first)->op_first->op_targ), 0); |
1107 | sv_catpv(targ, "E0"); | |
1108 | } | |
1109 | SETs(targ); | |
1110 | } | |
1111 | ||
1112 | RETURN; | |
1113 | } | |
1114 | ||
1115 | /* Control. */ | |
1116 | ||
515afda2 NC |
1117 | static char *context_name[] = { |
1118 | "pseudo-block", | |
1119 | "subroutine", | |
1120 | "eval", | |
1121 | "loop", | |
1122 | "substitution", | |
1123 | "block", | |
1124 | "format" | |
1125 | }; | |
1126 | ||
76e3520e | 1127 | STATIC I32 |
cea2e8a9 | 1128 | S_dopoptolabel(pTHX_ char *label) |
a0d0e21e LW |
1129 | { |
1130 | register I32 i; | |
c09156bb | 1131 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1132 | |
1133 | for (i = cxstack_ix; i >= 0; i--) { | |
1134 | cx = &cxstack[i]; | |
6b35e009 | 1135 | switch (CxTYPE(cx)) { |
a0d0e21e | 1136 | case CXt_SUBST: |
a0d0e21e | 1137 | case CXt_SUB: |
7766f137 | 1138 | case CXt_FORMAT: |
a0d0e21e | 1139 | case CXt_EVAL: |
0a753a76 | 1140 | case CXt_NULL: |
e476b1b5 | 1141 | if (ckWARN(WARN_EXITING)) |
515afda2 NC |
1142 | Perl_warner(aTHX_ packWARN(WARN_EXITING), "Exiting %s via %s", |
1143 | context_name[CxTYPE(cx)], OP_NAME(PL_op)); | |
1144 | if (CxTYPE(cx) == CXt_NULL) | |
1145 | return -1; | |
1146 | break; | |
a0d0e21e LW |
1147 | case CXt_LOOP: |
1148 | if (!cx->blk_loop.label || | |
1149 | strNE(label, cx->blk_loop.label) ) { | |
cea2e8a9 | 1150 | DEBUG_l(Perl_deb(aTHX_ "(Skipping label #%ld %s)\n", |
68dc0745 | 1151 | (long)i, cx->blk_loop.label)); |
a0d0e21e LW |
1152 | continue; |
1153 | } | |
cea2e8a9 | 1154 | DEBUG_l( Perl_deb(aTHX_ "(Found label #%ld %s)\n", (long)i, label)); |
a0d0e21e LW |
1155 | return i; |
1156 | } | |
1157 | } | |
1158 | return i; | |
1159 | } | |
1160 | ||
e50aee73 | 1161 | I32 |
864dbfa3 | 1162 | Perl_dowantarray(pTHX) |
e50aee73 | 1163 | { |
54310121 | 1164 | I32 gimme = block_gimme(); |
1165 | return (gimme == G_VOID) ? G_SCALAR : gimme; | |
1166 | } | |
1167 | ||
1168 | I32 | |
864dbfa3 | 1169 | Perl_block_gimme(pTHX) |
54310121 | 1170 | { |
e50aee73 AD |
1171 | I32 cxix; |
1172 | ||
1173 | cxix = dopoptosub(cxstack_ix); | |
1174 | if (cxix < 0) | |
46fc3d4c | 1175 | return G_VOID; |
e50aee73 | 1176 | |
54310121 | 1177 | switch (cxstack[cxix].blk_gimme) { |
d2719217 GS |
1178 | case G_VOID: |
1179 | return G_VOID; | |
54310121 | 1180 | case G_SCALAR: |
e50aee73 | 1181 | return G_SCALAR; |
54310121 | 1182 | case G_ARRAY: |
1183 | return G_ARRAY; | |
1184 | default: | |
cea2e8a9 | 1185 | Perl_croak(aTHX_ "panic: bad gimme: %d\n", cxstack[cxix].blk_gimme); |
d2719217 GS |
1186 | /* NOTREACHED */ |
1187 | return 0; | |
54310121 | 1188 | } |
e50aee73 AD |
1189 | } |
1190 | ||
78f9721b SM |
1191 | I32 |
1192 | Perl_is_lvalue_sub(pTHX) | |
1193 | { | |
1194 | I32 cxix; | |
1195 | ||
1196 | cxix = dopoptosub(cxstack_ix); | |
1197 | assert(cxix >= 0); /* We should only be called from inside subs */ | |
1198 | ||
1199 | if (cxstack[cxix].blk_sub.lval && CvLVALUE(cxstack[cxix].blk_sub.cv)) | |
1200 | return cxstack[cxix].blk_sub.lval; | |
1201 | else | |
1202 | return 0; | |
1203 | } | |
1204 | ||
76e3520e | 1205 | STATIC I32 |
cea2e8a9 | 1206 | S_dopoptosub(pTHX_ I32 startingblock) |
a0d0e21e | 1207 | { |
2c375eb9 GS |
1208 | return dopoptosub_at(cxstack, startingblock); |
1209 | } | |
1210 | ||
1211 | STATIC I32 | |
cea2e8a9 | 1212 | S_dopoptosub_at(pTHX_ PERL_CONTEXT *cxstk, I32 startingblock) |
2c375eb9 | 1213 | { |
a0d0e21e | 1214 | I32 i; |
c09156bb | 1215 | register PERL_CONTEXT *cx; |
a0d0e21e | 1216 | for (i = startingblock; i >= 0; i--) { |
2c375eb9 | 1217 | cx = &cxstk[i]; |
6b35e009 | 1218 | switch (CxTYPE(cx)) { |
a0d0e21e LW |
1219 | default: |
1220 | continue; | |
1221 | case CXt_EVAL: | |
1222 | case CXt_SUB: | |
7766f137 | 1223 | case CXt_FORMAT: |
cea2e8a9 | 1224 | DEBUG_l( Perl_deb(aTHX_ "(Found sub #%ld)\n", (long)i)); |
a0d0e21e LW |
1225 | return i; |
1226 | } | |
1227 | } | |
1228 | return i; | |
1229 | } | |
1230 | ||
76e3520e | 1231 | STATIC I32 |
cea2e8a9 | 1232 | S_dopoptoeval(pTHX_ I32 startingblock) |
a0d0e21e LW |
1233 | { |
1234 | I32 i; | |
c09156bb | 1235 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1236 | for (i = startingblock; i >= 0; i--) { |
1237 | cx = &cxstack[i]; | |
6b35e009 | 1238 | switch (CxTYPE(cx)) { |
a0d0e21e LW |
1239 | default: |
1240 | continue; | |
1241 | case CXt_EVAL: | |
cea2e8a9 | 1242 | DEBUG_l( Perl_deb(aTHX_ "(Found eval #%ld)\n", (long)i)); |
a0d0e21e LW |
1243 | return i; |
1244 | } | |
1245 | } | |
1246 | return i; | |
1247 | } | |
1248 | ||
76e3520e | 1249 | STATIC I32 |
cea2e8a9 | 1250 | S_dopoptoloop(pTHX_ I32 startingblock) |
a0d0e21e LW |
1251 | { |
1252 | I32 i; | |
c09156bb | 1253 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1254 | for (i = startingblock; i >= 0; i--) { |
1255 | cx = &cxstack[i]; | |
6b35e009 | 1256 | switch (CxTYPE(cx)) { |
a0d0e21e | 1257 | case CXt_SUBST: |
a0d0e21e | 1258 | case CXt_SUB: |
7766f137 | 1259 | case CXt_FORMAT: |
a0d0e21e | 1260 | case CXt_EVAL: |
0a753a76 | 1261 | case CXt_NULL: |
e476b1b5 | 1262 | if (ckWARN(WARN_EXITING)) |
515afda2 NC |
1263 | Perl_warner(aTHX_ packWARN(WARN_EXITING), "Exiting %s via %s", |
1264 | context_name[CxTYPE(cx)], OP_NAME(PL_op)); | |
1265 | if ((CxTYPE(cx)) == CXt_NULL) | |
1266 | return -1; | |
1267 | break; | |
a0d0e21e | 1268 | case CXt_LOOP: |
cea2e8a9 | 1269 | DEBUG_l( Perl_deb(aTHX_ "(Found loop #%ld)\n", (long)i)); |
a0d0e21e LW |
1270 | return i; |
1271 | } | |
1272 | } | |
1273 | return i; | |
1274 | } | |
1275 | ||
1276 | void | |
864dbfa3 | 1277 | Perl_dounwind(pTHX_ I32 cxix) |
a0d0e21e | 1278 | { |
c09156bb | 1279 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1280 | I32 optype; |
1281 | ||
1282 | while (cxstack_ix > cxix) { | |
b0d9ce38 | 1283 | SV *sv; |
c90c0ff4 | 1284 | cx = &cxstack[cxstack_ix]; |
1285 | DEBUG_l(PerlIO_printf(Perl_debug_log, "Unwinding block %ld, type %s\n", | |
22c35a8c | 1286 | (long) cxstack_ix, PL_block_type[CxTYPE(cx)])); |
a0d0e21e | 1287 | /* Note: we don't need to restore the base context info till the end. */ |
6b35e009 | 1288 | switch (CxTYPE(cx)) { |
c90c0ff4 | 1289 | case CXt_SUBST: |
1290 | POPSUBST(cx); | |
1291 | continue; /* not break */ | |
a0d0e21e | 1292 | case CXt_SUB: |
b0d9ce38 GS |
1293 | POPSUB(cx,sv); |
1294 | LEAVESUB(sv); | |
a0d0e21e LW |
1295 | break; |
1296 | case CXt_EVAL: | |
1297 | POPEVAL(cx); | |
1298 | break; | |
1299 | case CXt_LOOP: | |
1300 | POPLOOP(cx); | |
1301 | break; | |
0a753a76 | 1302 | case CXt_NULL: |
a0d0e21e | 1303 | break; |
7766f137 GS |
1304 | case CXt_FORMAT: |
1305 | POPFORMAT(cx); | |
1306 | break; | |
a0d0e21e | 1307 | } |
c90c0ff4 | 1308 | cxstack_ix--; |
a0d0e21e LW |
1309 | } |
1310 | } | |
1311 | ||
5a844595 GS |
1312 | void |
1313 | Perl_qerror(pTHX_ SV *err) | |
1314 | { | |
1315 | if (PL_in_eval) | |
1316 | sv_catsv(ERRSV, err); | |
1317 | else if (PL_errors) | |
1318 | sv_catsv(PL_errors, err); | |
1319 | else | |
894356b3 | 1320 | Perl_warn(aTHX_ "%"SVf, err); |
5a844595 GS |
1321 | ++PL_error_count; |
1322 | } | |
1323 | ||
a0d0e21e | 1324 | OP * |
864dbfa3 | 1325 | Perl_die_where(pTHX_ char *message, STRLEN msglen) |
a0d0e21e | 1326 | { |
2d8e6c8d | 1327 | STRLEN n_a; |
87582a92 | 1328 | |
3280af22 | 1329 | if (PL_in_eval) { |
a0d0e21e | 1330 | I32 cxix; |
c09156bb | 1331 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1332 | I32 gimme; |
1333 | SV **newsp; | |
1334 | ||
4e6ea2c3 | 1335 | if (message) { |
faef0170 | 1336 | if (PL_in_eval & EVAL_KEEPERR) { |
98eae8f5 GS |
1337 | static char prefix[] = "\t(in cleanup) "; |
1338 | SV *err = ERRSV; | |
1339 | char *e = Nullch; | |
1340 | if (!SvPOK(err)) | |
1341 | sv_setpv(err,""); | |
1342 | else if (SvCUR(err) >= sizeof(prefix)+msglen-1) { | |
1343 | e = SvPV(err, n_a); | |
1344 | e += n_a - msglen; | |
1345 | if (*e != *message || strNE(e,message)) | |
1346 | e = Nullch; | |
1347 | } | |
1348 | if (!e) { | |
1349 | SvGROW(err, SvCUR(err)+sizeof(prefix)+msglen); | |
1350 | sv_catpvn(err, prefix, sizeof(prefix)-1); | |
1351 | sv_catpvn(err, message, msglen); | |
e476b1b5 | 1352 | if (ckWARN(WARN_MISC)) { |
98eae8f5 | 1353 | STRLEN start = SvCUR(err)-msglen-sizeof(prefix)+1; |
9014280d | 1354 | Perl_warner(aTHX_ packWARN(WARN_MISC), SvPVX(err)+start); |
4e6ea2c3 | 1355 | } |
4633a7c4 | 1356 | } |
4633a7c4 | 1357 | } |
1aa99e6b | 1358 | else { |
06bf62c7 | 1359 | sv_setpvn(ERRSV, message, msglen); |
1aa99e6b | 1360 | } |
4633a7c4 | 1361 | } |
4e6ea2c3 | 1362 | |
5a844595 GS |
1363 | while ((cxix = dopoptoeval(cxstack_ix)) < 0 |
1364 | && PL_curstackinfo->si_prev) | |
1365 | { | |
bac4b2ad | 1366 | dounwind(-1); |
d3acc0f7 | 1367 | POPSTACK; |
bac4b2ad | 1368 | } |
e336de0d | 1369 | |
a0d0e21e LW |
1370 | if (cxix >= 0) { |
1371 | I32 optype; | |
1372 | ||
1373 | if (cxix < cxstack_ix) | |
1374 | dounwind(cxix); | |
1375 | ||
3280af22 | 1376 | POPBLOCK(cx,PL_curpm); |
6b35e009 | 1377 | if (CxTYPE(cx) != CXt_EVAL) { |
16869676 SG |
1378 | if (!message) |
1379 | message = SvPVx(ERRSV, msglen); | |
bf49b057 GS |
1380 | PerlIO_write(Perl_error_log, "panic: die ", 11); |
1381 | PerlIO_write(Perl_error_log, message, msglen); | |
a0d0e21e LW |
1382 | my_exit(1); |
1383 | } | |
1384 | POPEVAL(cx); | |
1385 | ||
1386 | if (gimme == G_SCALAR) | |
3280af22 NIS |
1387 | *++newsp = &PL_sv_undef; |
1388 | PL_stack_sp = newsp; | |
a0d0e21e LW |
1389 | |
1390 | LEAVE; | |
748a9306 | 1391 | |
7fb6a879 GS |
1392 | /* LEAVE could clobber PL_curcop (see save_re_context()) |
1393 | * XXX it might be better to find a way to avoid messing with | |
1394 | * PL_curcop in save_re_context() instead, but this is a more | |
1395 | * minimal fix --GSAR */ | |
1396 | PL_curcop = cx->blk_oldcop; | |
1397 | ||
7a2e2cd6 | 1398 | if (optype == OP_REQUIRE) { |
2d8e6c8d | 1399 | char* msg = SvPVx(ERRSV, n_a); |
4d8b06f1 RD |
1400 | SV *nsv = cx->blk_eval.old_namesv; |
1401 | (void)hv_store(GvHVn(PL_incgv), SvPVX(nsv), SvCUR(nsv), | |
1402 | &PL_sv_undef, 0); | |
5a844595 GS |
1403 | DIE(aTHX_ "%sCompilation failed in require", |
1404 | *msg ? msg : "Unknown error\n"); | |
7a2e2cd6 | 1405 | } |
a0d0e21e LW |
1406 | return pop_return(); |
1407 | } | |
1408 | } | |
9cc2fdd3 | 1409 | if (!message) |
06bf62c7 | 1410 | message = SvPVx(ERRSV, msglen); |
87582a92 | 1411 | |
7ff03255 | 1412 | write_to_stderr(message, msglen); |
f86702cc | 1413 | my_failure_exit(); |
1414 | /* NOTREACHED */ | |
a0d0e21e LW |
1415 | return 0; |
1416 | } | |
1417 | ||
1418 | PP(pp_xor) | |
1419 | { | |
39644a26 | 1420 | dSP; dPOPTOPssrl; |
a0d0e21e LW |
1421 | if (SvTRUE(left) != SvTRUE(right)) |
1422 | RETSETYES; | |
1423 | else | |
1424 | RETSETNO; | |
1425 | } | |
1426 | ||
1427 | PP(pp_andassign) | |
1428 | { | |
39644a26 | 1429 | dSP; |
a0d0e21e LW |
1430 | if (!SvTRUE(TOPs)) |
1431 | RETURN; | |
1432 | else | |
1433 | RETURNOP(cLOGOP->op_other); | |
1434 | } | |
1435 | ||
1436 | PP(pp_orassign) | |
1437 | { | |
39644a26 | 1438 | dSP; |
a0d0e21e LW |
1439 | if (SvTRUE(TOPs)) |
1440 | RETURN; | |
1441 | else | |
1442 | RETURNOP(cLOGOP->op_other); | |
1443 | } | |
c963b151 BD |
1444 | |
1445 | PP(pp_dorassign) | |
1446 | { | |
1447 | dSP; | |
1448 | register SV* sv; | |
1449 | ||
1450 | sv = TOPs; | |
1451 | if (!sv || !SvANY(sv)) { | |
1452 | RETURNOP(cLOGOP->op_other); | |
1453 | } | |
1454 | ||
1455 | switch (SvTYPE(sv)) { | |
1456 | case SVt_PVAV: | |
1457 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
1458 | RETURN; | |
1459 | break; | |
1460 | case SVt_PVHV: | |
1461 | if (HvARRAY(sv) || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
1462 | RETURN; | |
1463 | break; | |
1464 | case SVt_PVCV: | |
1465 | if (CvROOT(sv) || CvXSUB(sv)) | |
1466 | RETURN; | |
1467 | break; | |
1468 | default: | |
1469 | if (SvGMAGICAL(sv)) | |
1470 | mg_get(sv); | |
1471 | if (SvOK(sv)) | |
1472 | RETURN; | |
1473 | } | |
1474 | ||
1475 | RETURNOP(cLOGOP->op_other); | |
1476 | } | |
1477 | ||
a0d0e21e LW |
1478 | PP(pp_caller) |
1479 | { | |
39644a26 | 1480 | dSP; |
a0d0e21e | 1481 | register I32 cxix = dopoptosub(cxstack_ix); |
c09156bb | 1482 | register PERL_CONTEXT *cx; |
2c375eb9 | 1483 | register PERL_CONTEXT *ccstack = cxstack; |
3280af22 | 1484 | PERL_SI *top_si = PL_curstackinfo; |
a0d0e21e | 1485 | I32 dbcxix; |
54310121 | 1486 | I32 gimme; |
ed094faf | 1487 | char *stashname; |
a0d0e21e LW |
1488 | SV *sv; |
1489 | I32 count = 0; | |
1490 | ||
1491 | if (MAXARG) | |
1492 | count = POPi; | |
27d41816 | 1493 | |
a0d0e21e | 1494 | for (;;) { |
2c375eb9 GS |
1495 | /* we may be in a higher stacklevel, so dig down deeper */ |
1496 | while (cxix < 0 && top_si->si_type != PERLSI_MAIN) { | |
1497 | top_si = top_si->si_prev; | |
1498 | ccstack = top_si->si_cxstack; | |
1499 | cxix = dopoptosub_at(ccstack, top_si->si_cxix); | |
1500 | } | |
a0d0e21e | 1501 | if (cxix < 0) { |
27d41816 DM |
1502 | if (GIMME != G_ARRAY) { |
1503 | EXTEND(SP, 1); | |
a0d0e21e | 1504 | RETPUSHUNDEF; |
27d41816 | 1505 | } |
a0d0e21e LW |
1506 | RETURN; |
1507 | } | |
3280af22 NIS |
1508 | if (PL_DBsub && cxix >= 0 && |
1509 | ccstack[cxix].blk_sub.cv == GvCV(PL_DBsub)) | |
a0d0e21e LW |
1510 | count++; |
1511 | if (!count--) | |
1512 | break; | |
2c375eb9 | 1513 | cxix = dopoptosub_at(ccstack, cxix - 1); |
a0d0e21e | 1514 | } |
2c375eb9 GS |
1515 | |
1516 | cx = &ccstack[cxix]; | |
7766f137 | 1517 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
2c375eb9 GS |
1518 | dbcxix = dopoptosub_at(ccstack, cxix - 1); |
1519 | /* We expect that ccstack[dbcxix] is CXt_SUB, anyway, the | |
06a5b730 | 1520 | field below is defined for any cx. */ |
3280af22 | 1521 | if (PL_DBsub && dbcxix >= 0 && ccstack[dbcxix].blk_sub.cv == GvCV(PL_DBsub)) |
2c375eb9 | 1522 | cx = &ccstack[dbcxix]; |
06a5b730 | 1523 | } |
1524 | ||
ed094faf | 1525 | stashname = CopSTASHPV(cx->blk_oldcop); |
a0d0e21e | 1526 | if (GIMME != G_ARRAY) { |
27d41816 | 1527 | EXTEND(SP, 1); |
ed094faf | 1528 | if (!stashname) |
3280af22 | 1529 | PUSHs(&PL_sv_undef); |
49d8d3a1 MB |
1530 | else { |
1531 | dTARGET; | |
ed094faf | 1532 | sv_setpv(TARG, stashname); |
49d8d3a1 MB |
1533 | PUSHs(TARG); |
1534 | } | |
a0d0e21e LW |
1535 | RETURN; |
1536 | } | |
a0d0e21e | 1537 | |
27d41816 DM |
1538 | EXTEND(SP, 10); |
1539 | ||
ed094faf | 1540 | if (!stashname) |
3280af22 | 1541 | PUSHs(&PL_sv_undef); |
49d8d3a1 | 1542 | else |
ed094faf | 1543 | PUSHs(sv_2mortal(newSVpv(stashname, 0))); |
248c2a4d | 1544 | PUSHs(sv_2mortal(newSVpv(OutCopFILE(cx->blk_oldcop), 0))); |
57843af0 | 1545 | PUSHs(sv_2mortal(newSViv((I32)CopLINE(cx->blk_oldcop)))); |
a0d0e21e LW |
1546 | if (!MAXARG) |
1547 | RETURN; | |
7766f137 | 1548 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
07b8c804 | 1549 | GV *cvgv = CvGV(ccstack[cxix].blk_sub.cv); |
7766f137 | 1550 | /* So is ccstack[dbcxix]. */ |
07b8c804 RGS |
1551 | if (isGV(cvgv)) { |
1552 | sv = NEWSV(49, 0); | |
1553 | gv_efullname3(sv, cvgv, Nullch); | |
1554 | PUSHs(sv_2mortal(sv)); | |
1555 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_sub.hasargs))); | |
1556 | } | |
1557 | else { | |
1558 | PUSHs(sv_2mortal(newSVpvn("(unknown)",9))); | |
72699b0f | 1559 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_sub.hasargs))); |
07b8c804 | 1560 | } |
a0d0e21e LW |
1561 | } |
1562 | else { | |
79cb57f6 | 1563 | PUSHs(sv_2mortal(newSVpvn("(eval)",6))); |
a0d0e21e LW |
1564 | PUSHs(sv_2mortal(newSViv(0))); |
1565 | } | |
54310121 | 1566 | gimme = (I32)cx->blk_gimme; |
1567 | if (gimme == G_VOID) | |
3280af22 | 1568 | PUSHs(&PL_sv_undef); |
54310121 | 1569 | else |
1570 | PUSHs(sv_2mortal(newSViv(gimme & G_ARRAY))); | |
6b35e009 | 1571 | if (CxTYPE(cx) == CXt_EVAL) { |
811a4de9 | 1572 | /* eval STRING */ |
06a5b730 | 1573 | if (cx->blk_eval.old_op_type == OP_ENTEREVAL) { |
4633a7c4 | 1574 | PUSHs(cx->blk_eval.cur_text); |
3280af22 | 1575 | PUSHs(&PL_sv_no); |
0f79a09d | 1576 | } |
811a4de9 | 1577 | /* require */ |
0f79a09d GS |
1578 | else if (cx->blk_eval.old_namesv) { |
1579 | PUSHs(sv_2mortal(newSVsv(cx->blk_eval.old_namesv))); | |
3280af22 | 1580 | PUSHs(&PL_sv_yes); |
06a5b730 | 1581 | } |
811a4de9 GS |
1582 | /* eval BLOCK (try blocks have old_namesv == 0) */ |
1583 | else { | |
1584 | PUSHs(&PL_sv_undef); | |
1585 | PUSHs(&PL_sv_undef); | |
1586 | } | |
4633a7c4 | 1587 | } |
a682de96 GS |
1588 | else { |
1589 | PUSHs(&PL_sv_undef); | |
1590 | PUSHs(&PL_sv_undef); | |
1591 | } | |
1592 | if (CxTYPE(cx) == CXt_SUB && cx->blk_sub.hasargs | |
ed094faf | 1593 | && CopSTASH_eq(PL_curcop, PL_debstash)) |
4633a7c4 | 1594 | { |
a0d0e21e LW |
1595 | AV *ary = cx->blk_sub.argarray; |
1596 | int off = AvARRAY(ary) - AvALLOC(ary); | |
1597 | ||
3280af22 | 1598 | if (!PL_dbargs) { |
a0d0e21e | 1599 | GV* tmpgv; |
3280af22 | 1600 | PL_dbargs = GvAV(gv_AVadd(tmpgv = gv_fetchpv("DB::args", TRUE, |
a0d0e21e | 1601 | SVt_PVAV))); |
a5f75d66 | 1602 | GvMULTI_on(tmpgv); |
3ddcf04c | 1603 | AvREAL_off(PL_dbargs); /* XXX should be REIFY (see av.h) */ |
a0d0e21e LW |
1604 | } |
1605 | ||
3280af22 NIS |
1606 | if (AvMAX(PL_dbargs) < AvFILLp(ary) + off) |
1607 | av_extend(PL_dbargs, AvFILLp(ary) + off); | |
1608 | Copy(AvALLOC(ary), AvARRAY(PL_dbargs), AvFILLp(ary) + 1 + off, SV*); | |
1609 | AvFILLp(PL_dbargs) = AvFILLp(ary) + off; | |
a0d0e21e | 1610 | } |
f3aa04c2 GS |
1611 | /* XXX only hints propagated via op_private are currently |
1612 | * visible (others are not easily accessible, since they | |
1613 | * use the global PL_hints) */ | |
1614 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_oldcop->op_private & | |
1615 | HINT_PRIVATE_MASK))); | |
e476b1b5 GS |
1616 | { |
1617 | SV * mask ; | |
1618 | SV * old_warnings = cx->blk_oldcop->cop_warnings ; | |
114bafba | 1619 | |
ac27b0f5 | 1620 | if (old_warnings == pWARN_NONE || |
114bafba | 1621 | (old_warnings == pWARN_STD && (PL_dowarn & G_WARN_ON) == 0)) |
e476b1b5 | 1622 | mask = newSVpvn(WARN_NONEstring, WARNsize) ; |
ac27b0f5 | 1623 | else if (old_warnings == pWARN_ALL || |
75b6c4ca RGS |
1624 | (old_warnings == pWARN_STD && PL_dowarn & G_WARN_ON)) { |
1625 | /* Get the bit mask for $warnings::Bits{all}, because | |
1626 | * it could have been extended by warnings::register */ | |
1627 | SV **bits_all; | |
1628 | HV *bits = get_hv("warnings::Bits", FALSE); | |
1629 | if (bits && (bits_all=hv_fetch(bits, "all", 3, FALSE))) { | |
1630 | mask = newSVsv(*bits_all); | |
1631 | } | |
1632 | else { | |
1633 | mask = newSVpvn(WARN_ALLstring, WARNsize) ; | |
1634 | } | |
1635 | } | |
e476b1b5 GS |
1636 | else |
1637 | mask = newSVsv(old_warnings); | |
1638 | PUSHs(sv_2mortal(mask)); | |
1639 | } | |
a0d0e21e LW |
1640 | RETURN; |
1641 | } | |
1642 | ||
a0d0e21e LW |
1643 | PP(pp_reset) |
1644 | { | |
39644a26 | 1645 | dSP; |
a0d0e21e | 1646 | char *tmps; |
2d8e6c8d | 1647 | STRLEN n_a; |
a0d0e21e LW |
1648 | |
1649 | if (MAXARG < 1) | |
1650 | tmps = ""; | |
1651 | else | |
2d8e6c8d | 1652 | tmps = POPpx; |
11faa288 | 1653 | sv_reset(tmps, CopSTASH(PL_curcop)); |
3280af22 | 1654 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1655 | RETURN; |
1656 | } | |
1657 | ||
1658 | PP(pp_lineseq) | |
1659 | { | |
1660 | return NORMAL; | |
1661 | } | |
1662 | ||
dd2155a4 DM |
1663 | /* like pp_nextstate, but used instead when the debugger is active */ |
1664 | ||
a0d0e21e LW |
1665 | PP(pp_dbstate) |
1666 | { | |
533c011a | 1667 | PL_curcop = (COP*)PL_op; |
a0d0e21e | 1668 | TAINT_NOT; /* Each statement is presumed innocent */ |
3280af22 | 1669 | PL_stack_sp = PL_stack_base + cxstack[cxstack_ix].blk_oldsp; |
a0d0e21e LW |
1670 | FREETMPS; |
1671 | ||
5df8de69 DM |
1672 | if (PL_op->op_flags & OPf_SPECIAL /* breakpoint */ |
1673 | || SvIV(PL_DBsingle) || SvIV(PL_DBsignal) || SvIV(PL_DBtrace)) | |
a0d0e21e | 1674 | { |
39644a26 | 1675 | dSP; |
a0d0e21e | 1676 | register CV *cv; |
c09156bb | 1677 | register PERL_CONTEXT *cx; |
748a9306 | 1678 | I32 gimme = G_ARRAY; |
eb160463 | 1679 | U8 hasargs; |
a0d0e21e LW |
1680 | GV *gv; |
1681 | ||
3280af22 | 1682 | gv = PL_DBgv; |
a0d0e21e | 1683 | cv = GvCV(gv); |
a0d0e21e | 1684 | if (!cv) |
cea2e8a9 | 1685 | DIE(aTHX_ "No DB::DB routine defined"); |
a0d0e21e | 1686 | |
aea4f609 DM |
1687 | if (CvDEPTH(cv) >= 1 && !(PL_debug & DEBUG_DB_RECURSE_FLAG)) |
1688 | /* don't do recursive DB::DB call */ | |
a0d0e21e | 1689 | return NORMAL; |
748a9306 | 1690 | |
4633a7c4 LW |
1691 | ENTER; |
1692 | SAVETMPS; | |
1693 | ||
3280af22 | 1694 | SAVEI32(PL_debug); |
55497cff | 1695 | SAVESTACK_POS(); |
3280af22 | 1696 | PL_debug = 0; |
748a9306 | 1697 | hasargs = 0; |
924508f0 | 1698 | SPAGAIN; |
748a9306 | 1699 | |
533c011a | 1700 | push_return(PL_op->op_next); |
924508f0 | 1701 | PUSHBLOCK(cx, CXt_SUB, SP); |
ee98a1d6 | 1702 | PUSHSUB_DB(cx); |
a0d0e21e LW |
1703 | CvDEPTH(cv)++; |
1704 | (void)SvREFCNT_inc(cv); | |
dd2155a4 | 1705 | PAD_SET_CUR(CvPADLIST(cv),1); |
a0d0e21e LW |
1706 | RETURNOP(CvSTART(cv)); |
1707 | } | |
1708 | else | |
1709 | return NORMAL; | |
1710 | } | |
1711 | ||
1712 | PP(pp_scope) | |
1713 | { | |
1714 | return NORMAL; | |
1715 | } | |
1716 | ||
1717 | PP(pp_enteriter) | |
1718 | { | |
39644a26 | 1719 | dSP; dMARK; |
c09156bb | 1720 | register PERL_CONTEXT *cx; |
54310121 | 1721 | I32 gimme = GIMME_V; |
a0d0e21e | 1722 | SV **svp; |
7766f137 GS |
1723 | U32 cxtype = CXt_LOOP; |
1724 | #ifdef USE_ITHREADS | |
1725 | void *iterdata; | |
1726 | #endif | |
a0d0e21e | 1727 | |
4633a7c4 LW |
1728 | ENTER; |
1729 | SAVETMPS; | |
1730 | ||
533c011a | 1731 | if (PL_op->op_targ) { |
14f338dc DM |
1732 | if (PL_op->op_private & OPpLVAL_INTRO) { /* for my $x (...) */ |
1733 | SvPADSTALE_off(PAD_SVl(PL_op->op_targ)); | |
1734 | SAVESETSVFLAGS(PAD_SVl(PL_op->op_targ), | |
1735 | SVs_PADSTALE, SVs_PADSTALE); | |
1736 | } | |
c3564e5c | 1737 | #ifndef USE_ITHREADS |
dd2155a4 | 1738 | svp = &PAD_SVl(PL_op->op_targ); /* "my" variable */ |
54b9620d | 1739 | SAVESPTR(*svp); |
c3564e5c GS |
1740 | #else |
1741 | SAVEPADSV(PL_op->op_targ); | |
cbfa9890 | 1742 | iterdata = INT2PTR(void*, PL_op->op_targ); |
7766f137 GS |
1743 | cxtype |= CXp_PADVAR; |
1744 | #endif | |
54b9620d MB |
1745 | } |
1746 | else { | |
7766f137 GS |
1747 | GV *gv = (GV*)POPs; |
1748 | svp = &GvSV(gv); /* symbol table variable */ | |
0214ae40 GS |
1749 | SAVEGENERICSV(*svp); |
1750 | *svp = NEWSV(0,0); | |
7766f137 GS |
1751 | #ifdef USE_ITHREADS |
1752 | iterdata = (void*)gv; | |
1753 | #endif | |
54b9620d | 1754 | } |
4633a7c4 | 1755 | |
a0d0e21e LW |
1756 | ENTER; |
1757 | ||
7766f137 GS |
1758 | PUSHBLOCK(cx, cxtype, SP); |
1759 | #ifdef USE_ITHREADS | |
1760 | PUSHLOOP(cx, iterdata, MARK); | |
1761 | #else | |
a0d0e21e | 1762 | PUSHLOOP(cx, svp, MARK); |
7766f137 | 1763 | #endif |
533c011a | 1764 | if (PL_op->op_flags & OPf_STACKED) { |
44a8e56a | 1765 | cx->blk_loop.iterary = (AV*)SvREFCNT_inc(POPs); |
89ea2908 GA |
1766 | if (SvTYPE(cx->blk_loop.iterary) != SVt_PVAV) { |
1767 | dPOPss; | |
8e9bbdb9 | 1768 | if (RANGE_IS_NUMERIC(sv,(SV*)cx->blk_loop.iterary)) { |
89ea2908 GA |
1769 | if (SvNV(sv) < IV_MIN || |
1770 | SvNV((SV*)cx->blk_loop.iterary) >= IV_MAX) | |
d470f89e | 1771 | DIE(aTHX_ "Range iterator outside integer range"); |
89ea2908 GA |
1772 | cx->blk_loop.iterix = SvIV(sv); |
1773 | cx->blk_loop.itermax = SvIV((SV*)cx->blk_loop.iterary); | |
1774 | } | |
1775 | else | |
1776 | cx->blk_loop.iterlval = newSVsv(sv); | |
1777 | } | |
1778 | } | |
4633a7c4 | 1779 | else { |
3280af22 NIS |
1780 | cx->blk_loop.iterary = PL_curstack; |
1781 | AvFILLp(PL_curstack) = SP - PL_stack_base; | |
1782 | cx->blk_loop.iterix = MARK - PL_stack_base; | |
4633a7c4 | 1783 | } |
a0d0e21e LW |
1784 | |
1785 | RETURN; | |
1786 | } | |
1787 | ||
1788 | PP(pp_enterloop) | |
1789 | { | |
39644a26 | 1790 | dSP; |
c09156bb | 1791 | register PERL_CONTEXT *cx; |
54310121 | 1792 | I32 gimme = GIMME_V; |
a0d0e21e LW |
1793 | |
1794 | ENTER; | |
1795 | SAVETMPS; | |
1796 | ENTER; | |
1797 | ||
1798 | PUSHBLOCK(cx, CXt_LOOP, SP); | |
1799 | PUSHLOOP(cx, 0, SP); | |
1800 | ||
1801 | RETURN; | |
1802 | } | |
1803 | ||
1804 | PP(pp_leaveloop) | |
1805 | { | |
39644a26 | 1806 | dSP; |
c09156bb | 1807 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1808 | I32 gimme; |
1809 | SV **newsp; | |
1810 | PMOP *newpm; | |
1811 | SV **mark; | |
1812 | ||
1813 | POPBLOCK(cx,newpm); | |
4fdae800 | 1814 | mark = newsp; |
a8bba7fa | 1815 | newsp = PL_stack_base + cx->blk_loop.resetsp; |
f86702cc | 1816 | |
a1f49e72 | 1817 | TAINT_NOT; |
54310121 | 1818 | if (gimme == G_VOID) |
1819 | ; /* do nothing */ | |
1820 | else if (gimme == G_SCALAR) { | |
1821 | if (mark < SP) | |
1822 | *++newsp = sv_mortalcopy(*SP); | |
1823 | else | |
3280af22 | 1824 | *++newsp = &PL_sv_undef; |
a0d0e21e LW |
1825 | } |
1826 | else { | |
a1f49e72 | 1827 | while (mark < SP) { |
a0d0e21e | 1828 | *++newsp = sv_mortalcopy(*++mark); |
a1f49e72 CS |
1829 | TAINT_NOT; /* Each item is independent */ |
1830 | } | |
a0d0e21e | 1831 | } |
f86702cc | 1832 | SP = newsp; |
1833 | PUTBACK; | |
1834 | ||
a8bba7fa | 1835 | POPLOOP(cx); /* Stack values are safe: release loop vars ... */ |
3280af22 | 1836 | PL_curpm = newpm; /* ... and pop $1 et al */ |
f86702cc | 1837 | |
a0d0e21e LW |
1838 | LEAVE; |
1839 | LEAVE; | |
1840 | ||
f86702cc | 1841 | return NORMAL; |
a0d0e21e LW |
1842 | } |
1843 | ||
1844 | PP(pp_return) | |
1845 | { | |
39644a26 | 1846 | dSP; dMARK; |
a0d0e21e | 1847 | I32 cxix; |
c09156bb | 1848 | register PERL_CONTEXT *cx; |
f86702cc | 1849 | bool popsub2 = FALSE; |
b45de488 | 1850 | bool clear_errsv = FALSE; |
a0d0e21e LW |
1851 | I32 gimme; |
1852 | SV **newsp; | |
1853 | PMOP *newpm; | |
1854 | I32 optype = 0; | |
b0d9ce38 | 1855 | SV *sv; |
a0d0e21e | 1856 | |
3280af22 | 1857 | if (PL_curstackinfo->si_type == PERLSI_SORT) { |
7766f137 GS |
1858 | if (cxstack_ix == PL_sortcxix |
1859 | || dopoptosub(cxstack_ix) <= PL_sortcxix) | |
1860 | { | |
3280af22 NIS |
1861 | if (cxstack_ix > PL_sortcxix) |
1862 | dounwind(PL_sortcxix); | |
1863 | AvARRAY(PL_curstack)[1] = *SP; | |
1864 | PL_stack_sp = PL_stack_base + 1; | |
a0d0e21e LW |
1865 | return 0; |
1866 | } | |
1867 | } | |
1868 | ||
1869 | cxix = dopoptosub(cxstack_ix); | |
1870 | if (cxix < 0) | |
cea2e8a9 | 1871 | DIE(aTHX_ "Can't return outside a subroutine"); |
a0d0e21e LW |
1872 | if (cxix < cxstack_ix) |
1873 | dounwind(cxix); | |
1874 | ||
1875 | POPBLOCK(cx,newpm); | |
6b35e009 | 1876 | switch (CxTYPE(cx)) { |
a0d0e21e | 1877 | case CXt_SUB: |
f86702cc | 1878 | popsub2 = TRUE; |
5dd42e15 | 1879 | cxstack_ix++; /* preserve cx entry on stack for use by POPSUB */ |
a0d0e21e LW |
1880 | break; |
1881 | case CXt_EVAL: | |
b45de488 GS |
1882 | if (!(PL_in_eval & EVAL_KEEPERR)) |
1883 | clear_errsv = TRUE; | |
a0d0e21e | 1884 | POPEVAL(cx); |
1d76a5c3 GS |
1885 | if (CxTRYBLOCK(cx)) |
1886 | break; | |
067f92a0 | 1887 | lex_end(); |
748a9306 LW |
1888 | if (optype == OP_REQUIRE && |
1889 | (MARK == SP || (gimme == G_SCALAR && !SvTRUE(*SP))) ) | |
1890 | { | |
54310121 | 1891 | /* Unassume the success we assumed earlier. */ |
0f79a09d GS |
1892 | SV *nsv = cx->blk_eval.old_namesv; |
1893 | (void)hv_delete(GvHVn(PL_incgv), SvPVX(nsv), SvCUR(nsv), G_DISCARD); | |
35c1215d | 1894 | DIE(aTHX_ "%"SVf" did not return a true value", nsv); |
748a9306 | 1895 | } |
a0d0e21e | 1896 | break; |
7766f137 GS |
1897 | case CXt_FORMAT: |
1898 | POPFORMAT(cx); | |
1899 | break; | |
a0d0e21e | 1900 | default: |
cea2e8a9 | 1901 | DIE(aTHX_ "panic: return"); |
a0d0e21e LW |
1902 | } |
1903 | ||
a1f49e72 | 1904 | TAINT_NOT; |
a0d0e21e | 1905 | if (gimme == G_SCALAR) { |
a29cdaf0 IZ |
1906 | if (MARK < SP) { |
1907 | if (popsub2) { | |
a8bba7fa | 1908 | if (cx->blk_sub.cv && CvDEPTH(cx->blk_sub.cv) > 1) { |
a29cdaf0 IZ |
1909 | if (SvTEMP(TOPs)) { |
1910 | *++newsp = SvREFCNT_inc(*SP); | |
1911 | FREETMPS; | |
1912 | sv_2mortal(*newsp); | |
959e3673 GS |
1913 | } |
1914 | else { | |
1915 | sv = SvREFCNT_inc(*SP); /* FREETMPS could clobber it */ | |
a29cdaf0 | 1916 | FREETMPS; |
959e3673 GS |
1917 | *++newsp = sv_mortalcopy(sv); |
1918 | SvREFCNT_dec(sv); | |
a29cdaf0 | 1919 | } |
959e3673 GS |
1920 | } |
1921 | else | |
a29cdaf0 | 1922 | *++newsp = (SvTEMP(*SP)) ? *SP : sv_mortalcopy(*SP); |
959e3673 GS |
1923 | } |
1924 | else | |
a29cdaf0 | 1925 | *++newsp = sv_mortalcopy(*SP); |
959e3673 GS |
1926 | } |
1927 | else | |
3280af22 | 1928 | *++newsp = &PL_sv_undef; |
a0d0e21e | 1929 | } |
54310121 | 1930 | else if (gimme == G_ARRAY) { |
a1f49e72 | 1931 | while (++MARK <= SP) { |
f86702cc | 1932 | *++newsp = (popsub2 && SvTEMP(*MARK)) |
1933 | ? *MARK : sv_mortalcopy(*MARK); | |
a1f49e72 CS |
1934 | TAINT_NOT; /* Each item is independent */ |
1935 | } | |
a0d0e21e | 1936 | } |
3280af22 | 1937 | PL_stack_sp = newsp; |
a0d0e21e | 1938 | |
5dd42e15 | 1939 | LEAVE; |
f86702cc | 1940 | /* Stack values are safe: */ |
1941 | if (popsub2) { | |
5dd42e15 | 1942 | cxstack_ix--; |
b0d9ce38 | 1943 | POPSUB(cx,sv); /* release CV and @_ ... */ |
f86702cc | 1944 | } |
b0d9ce38 GS |
1945 | else |
1946 | sv = Nullsv; | |
3280af22 | 1947 | PL_curpm = newpm; /* ... and pop $1 et al */ |
f86702cc | 1948 | |
b0d9ce38 | 1949 | LEAVESUB(sv); |
b45de488 GS |
1950 | if (clear_errsv) |
1951 | sv_setpv(ERRSV,""); | |
a0d0e21e LW |
1952 | return pop_return(); |
1953 | } | |
1954 | ||
1955 | PP(pp_last) | |
1956 | { | |
39644a26 | 1957 | dSP; |
a0d0e21e | 1958 | I32 cxix; |
c09156bb | 1959 | register PERL_CONTEXT *cx; |
f86702cc | 1960 | I32 pop2 = 0; |
a0d0e21e LW |
1961 | I32 gimme; |
1962 | I32 optype; | |
1963 | OP *nextop; | |
1964 | SV **newsp; | |
1965 | PMOP *newpm; | |
a8bba7fa | 1966 | SV **mark; |
b0d9ce38 | 1967 | SV *sv = Nullsv; |
a0d0e21e | 1968 | |
533c011a | 1969 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
1970 | cxix = dopoptoloop(cxstack_ix); |
1971 | if (cxix < 0) | |
a651a37d | 1972 | DIE(aTHX_ "Can't \"last\" outside a loop block"); |
a0d0e21e LW |
1973 | } |
1974 | else { | |
1975 | cxix = dopoptolabel(cPVOP->op_pv); | |
1976 | if (cxix < 0) | |
cea2e8a9 | 1977 | DIE(aTHX_ "Label not found for \"last %s\"", cPVOP->op_pv); |
a0d0e21e LW |
1978 | } |
1979 | if (cxix < cxstack_ix) | |
1980 | dounwind(cxix); | |
1981 | ||
1982 | POPBLOCK(cx,newpm); | |
5dd42e15 | 1983 | cxstack_ix++; /* temporarily protect top context */ |
a8bba7fa | 1984 | mark = newsp; |
6b35e009 | 1985 | switch (CxTYPE(cx)) { |
a0d0e21e | 1986 | case CXt_LOOP: |
f86702cc | 1987 | pop2 = CXt_LOOP; |
a8bba7fa GS |
1988 | newsp = PL_stack_base + cx->blk_loop.resetsp; |
1989 | nextop = cx->blk_loop.last_op->op_next; | |
a0d0e21e | 1990 | break; |
f86702cc | 1991 | case CXt_SUB: |
f86702cc | 1992 | pop2 = CXt_SUB; |
a0d0e21e LW |
1993 | nextop = pop_return(); |
1994 | break; | |
f86702cc | 1995 | case CXt_EVAL: |
1996 | POPEVAL(cx); | |
a0d0e21e LW |
1997 | nextop = pop_return(); |
1998 | break; | |
7766f137 GS |
1999 | case CXt_FORMAT: |
2000 | POPFORMAT(cx); | |
2001 | nextop = pop_return(); | |
2002 | break; | |
a0d0e21e | 2003 | default: |
cea2e8a9 | 2004 | DIE(aTHX_ "panic: last"); |
a0d0e21e LW |
2005 | } |
2006 | ||
a1f49e72 | 2007 | TAINT_NOT; |
a0d0e21e | 2008 | if (gimme == G_SCALAR) { |
f86702cc | 2009 | if (MARK < SP) |
2010 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*SP)) | |
2011 | ? *SP : sv_mortalcopy(*SP); | |
a0d0e21e | 2012 | else |
3280af22 | 2013 | *++newsp = &PL_sv_undef; |
a0d0e21e | 2014 | } |
54310121 | 2015 | else if (gimme == G_ARRAY) { |
a1f49e72 | 2016 | while (++MARK <= SP) { |
f86702cc | 2017 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*MARK)) |
2018 | ? *MARK : sv_mortalcopy(*MARK); | |
a1f49e72 CS |
2019 | TAINT_NOT; /* Each item is independent */ |
2020 | } | |
f86702cc | 2021 | } |
2022 | SP = newsp; | |
2023 | PUTBACK; | |
2024 | ||
5dd42e15 DM |
2025 | LEAVE; |
2026 | cxstack_ix--; | |
f86702cc | 2027 | /* Stack values are safe: */ |
2028 | switch (pop2) { | |
2029 | case CXt_LOOP: | |
a8bba7fa | 2030 | POPLOOP(cx); /* release loop vars ... */ |
4fdae800 | 2031 | LEAVE; |
f86702cc | 2032 | break; |
2033 | case CXt_SUB: | |
b0d9ce38 | 2034 | POPSUB(cx,sv); /* release CV and @_ ... */ |
f86702cc | 2035 | break; |
a0d0e21e | 2036 | } |
3280af22 | 2037 | PL_curpm = newpm; /* ... and pop $1 et al */ |
a0d0e21e | 2038 | |
b0d9ce38 | 2039 | LEAVESUB(sv); |
f86702cc | 2040 | return nextop; |
a0d0e21e LW |
2041 | } |
2042 | ||
2043 | PP(pp_next) | |
2044 | { | |
2045 | I32 cxix; | |
c09156bb | 2046 | register PERL_CONTEXT *cx; |
85538317 | 2047 | I32 inner; |
a0d0e21e | 2048 | |
533c011a | 2049 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
2050 | cxix = dopoptoloop(cxstack_ix); |
2051 | if (cxix < 0) | |
a651a37d | 2052 | DIE(aTHX_ "Can't \"next\" outside a loop block"); |
a0d0e21e LW |
2053 | } |
2054 | else { | |
2055 | cxix = dopoptolabel(cPVOP->op_pv); | |
2056 | if (cxix < 0) | |
cea2e8a9 | 2057 | DIE(aTHX_ "Label not found for \"next %s\"", cPVOP->op_pv); |
a0d0e21e LW |
2058 | } |
2059 | if (cxix < cxstack_ix) | |
2060 | dounwind(cxix); | |
2061 | ||
85538317 GS |
2062 | /* clear off anything above the scope we're re-entering, but |
2063 | * save the rest until after a possible continue block */ | |
2064 | inner = PL_scopestack_ix; | |
1ba6ee2b | 2065 | TOPBLOCK(cx); |
85538317 GS |
2066 | if (PL_scopestack_ix < inner) |
2067 | leave_scope(PL_scopestack[PL_scopestack_ix]); | |
1ba6ee2b | 2068 | return cx->blk_loop.next_op; |
a0d0e21e LW |
2069 | } |
2070 | ||
2071 | PP(pp_redo) | |
2072 | { | |
2073 | I32 cxix; | |
c09156bb | 2074 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
2075 | I32 oldsave; |
2076 | ||
533c011a | 2077 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
2078 | cxix = dopoptoloop(cxstack_ix); |
2079 | if (cxix < 0) | |
a651a37d | 2080 | DIE(aTHX_ "Can't \"redo\" outside a loop block"); |
a0d0e21e LW |
2081 | } |
2082 | else { | |
2083 | cxix = dopoptolabel(cPVOP->op_pv); | |
2084 | if (cxix < 0) | |
cea2e8a9 | 2085 | DIE(aTHX_ "Label not found for \"redo %s\"", cPVOP->op_pv); |
a0d0e21e LW |
2086 | } |
2087 | if (cxix < cxstack_ix) | |
2088 | dounwind(cxix); | |
2089 | ||
2090 | TOPBLOCK(cx); | |
3280af22 | 2091 | oldsave = PL_scopestack[PL_scopestack_ix - 1]; |
a0d0e21e LW |
2092 | LEAVE_SCOPE(oldsave); |
2093 | return cx->blk_loop.redo_op; | |
2094 | } | |
2095 | ||
0824fdcb | 2096 | STATIC OP * |
cea2e8a9 | 2097 | S_dofindlabel(pTHX_ OP *o, char *label, OP **opstack, OP **oplimit) |
a0d0e21e | 2098 | { |
4ea42e7f | 2099 | OP *kid = Nullop; |
a0d0e21e | 2100 | OP **ops = opstack; |
fc36a67e | 2101 | static char too_deep[] = "Target of goto is too deeply nested"; |
a0d0e21e | 2102 | |
fc36a67e | 2103 | if (ops >= oplimit) |
cea2e8a9 | 2104 | Perl_croak(aTHX_ too_deep); |
11343788 MB |
2105 | if (o->op_type == OP_LEAVE || |
2106 | o->op_type == OP_SCOPE || | |
2107 | o->op_type == OP_LEAVELOOP || | |
33d34e4c | 2108 | o->op_type == OP_LEAVESUB || |
11343788 | 2109 | o->op_type == OP_LEAVETRY) |
fc36a67e | 2110 | { |
5dc0d613 | 2111 | *ops++ = cUNOPo->op_first; |
fc36a67e | 2112 | if (ops >= oplimit) |
cea2e8a9 | 2113 | Perl_croak(aTHX_ too_deep); |
fc36a67e | 2114 | } |
c4aa4e48 | 2115 | *ops = 0; |
11343788 | 2116 | if (o->op_flags & OPf_KIDS) { |
a0d0e21e | 2117 | /* First try all the kids at this level, since that's likeliest. */ |
11343788 | 2118 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
c4aa4e48 GS |
2119 | if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) && |
2120 | kCOP->cop_label && strEQ(kCOP->cop_label, label)) | |
a0d0e21e LW |
2121 | return kid; |
2122 | } | |
11343788 | 2123 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
3280af22 | 2124 | if (kid == PL_lastgotoprobe) |
a0d0e21e | 2125 | continue; |
ed8d0fe2 SM |
2126 | if (kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) { |
2127 | if (ops == opstack) | |
2128 | *ops++ = kid; | |
2129 | else if (ops[-1]->op_type == OP_NEXTSTATE || | |
2130 | ops[-1]->op_type == OP_DBSTATE) | |
2131 | ops[-1] = kid; | |
2132 | else | |
2133 | *ops++ = kid; | |
2134 | } | |
155aba94 | 2135 | if ((o = dofindlabel(kid, label, ops, oplimit))) |
11343788 | 2136 | return o; |
a0d0e21e LW |
2137 | } |
2138 | } | |
c4aa4e48 | 2139 | *ops = 0; |
a0d0e21e LW |
2140 | return 0; |
2141 | } | |
2142 | ||
2143 | PP(pp_dump) | |
2144 | { | |
cea2e8a9 | 2145 | return pp_goto(); |
a0d0e21e LW |
2146 | /*NOTREACHED*/ |
2147 | } | |
2148 | ||
2149 | PP(pp_goto) | |
2150 | { | |
39644a26 | 2151 | dSP; |
a0d0e21e LW |
2152 | OP *retop = 0; |
2153 | I32 ix; | |
c09156bb | 2154 | register PERL_CONTEXT *cx; |
fc36a67e | 2155 | #define GOTO_DEPTH 64 |
2156 | OP *enterops[GOTO_DEPTH]; | |
a0d0e21e | 2157 | char *label; |
533c011a | 2158 | int do_dump = (PL_op->op_type == OP_DUMP); |
1614b0e3 | 2159 | static char must_have_label[] = "goto must have label"; |
a0d0e21e LW |
2160 | |
2161 | label = 0; | |
533c011a | 2162 | if (PL_op->op_flags & OPf_STACKED) { |
a0d0e21e | 2163 | SV *sv = POPs; |
2d8e6c8d | 2164 | STRLEN n_a; |
a0d0e21e LW |
2165 | |
2166 | /* This egregious kludge implements goto &subroutine */ | |
2167 | if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) { | |
2168 | I32 cxix; | |
c09156bb | 2169 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
2170 | CV* cv = (CV*)SvRV(sv); |
2171 | SV** mark; | |
2172 | I32 items = 0; | |
2173 | I32 oldsave; | |
2174 | ||
e8f7dd13 | 2175 | retry: |
4aa0a1f7 | 2176 | if (!CvROOT(cv) && !CvXSUB(cv)) { |
e8f7dd13 GS |
2177 | GV *gv = CvGV(cv); |
2178 | GV *autogv; | |
2179 | if (gv) { | |
2180 | SV *tmpstr; | |
2181 | /* autoloaded stub? */ | |
2182 | if (cv != GvCV(gv) && (cv = GvCV(gv))) | |
2183 | goto retry; | |
2184 | autogv = gv_autoload4(GvSTASH(gv), GvNAME(gv), | |
2185 | GvNAMELEN(gv), FALSE); | |
2186 | if (autogv && (cv = GvCV(autogv))) | |
2187 | goto retry; | |
2188 | tmpstr = sv_newmortal(); | |
2189 | gv_efullname3(tmpstr, gv, Nullch); | |
35c1215d | 2190 | DIE(aTHX_ "Goto undefined subroutine &%"SVf"",tmpstr); |
4aa0a1f7 | 2191 | } |
cea2e8a9 | 2192 | DIE(aTHX_ "Goto undefined subroutine"); |
4aa0a1f7 AD |
2193 | } |
2194 | ||
a0d0e21e | 2195 | /* First do some returnish stuff. */ |
5023d17a | 2196 | SvREFCNT_inc(cv); /* avoid premature free during unwind */ |
71fc2216 | 2197 | FREETMPS; |
a0d0e21e LW |
2198 | cxix = dopoptosub(cxstack_ix); |
2199 | if (cxix < 0) | |
cea2e8a9 | 2200 | DIE(aTHX_ "Can't goto subroutine outside a subroutine"); |
a0d0e21e LW |
2201 | if (cxix < cxstack_ix) |
2202 | dounwind(cxix); | |
2203 | TOPBLOCK(cx); | |
63b28e3f | 2204 | if (CxREALEVAL(cx)) |
cea2e8a9 | 2205 | DIE(aTHX_ "Can't goto subroutine from an eval-string"); |
3280af22 | 2206 | mark = PL_stack_sp; |
d8b46c1b GS |
2207 | if (CxTYPE(cx) == CXt_SUB && cx->blk_sub.hasargs) { |
2208 | /* put @_ back onto stack */ | |
a0d0e21e LW |
2209 | AV* av = cx->blk_sub.argarray; |
2210 | ||
93965878 | 2211 | items = AvFILLp(av) + 1; |
3280af22 NIS |
2212 | PL_stack_sp++; |
2213 | EXTEND(PL_stack_sp, items); /* @_ could have been extended. */ | |
2214 | Copy(AvARRAY(av), PL_stack_sp, items, SV*); | |
2215 | PL_stack_sp += items; | |
3280af22 NIS |
2216 | SvREFCNT_dec(GvAV(PL_defgv)); |
2217 | GvAV(PL_defgv) = cx->blk_sub.savearray; | |
d8b46c1b | 2218 | /* abandon @_ if it got reified */ |
62b1ebc2 | 2219 | if (AvREAL(av)) { |
d8b46c1b GS |
2220 | (void)sv_2mortal((SV*)av); /* delay until return */ |
2221 | av = newAV(); | |
2222 | av_extend(av, items-1); | |
2223 | AvFLAGS(av) = AVf_REIFY; | |
dd2155a4 | 2224 | PAD_SVl(0) = (SV*)(cx->blk_sub.argarray = av); |
62b1ebc2 | 2225 | } |
f3a46bf8 DM |
2226 | else |
2227 | CLEAR_ARGARRAY(av); | |
a0d0e21e | 2228 | } |
1fa4e549 AD |
2229 | else if (CvXSUB(cv)) { /* put GvAV(defgv) back onto stack */ |
2230 | AV* av; | |
3280af22 | 2231 | av = GvAV(PL_defgv); |
1fa4e549 | 2232 | items = AvFILLp(av) + 1; |
3280af22 NIS |
2233 | PL_stack_sp++; |
2234 | EXTEND(PL_stack_sp, items); /* @_ could have been extended. */ | |
2235 | Copy(AvARRAY(av), PL_stack_sp, items, SV*); | |
2236 | PL_stack_sp += items; | |
1fa4e549 | 2237 | } |
6b35e009 | 2238 | if (CxTYPE(cx) == CXt_SUB && |
b150fb22 | 2239 | !(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth)) |
a0d0e21e | 2240 | SvREFCNT_dec(cx->blk_sub.cv); |
3280af22 | 2241 | oldsave = PL_scopestack[PL_scopestack_ix - 1]; |
a0d0e21e LW |
2242 | LEAVE_SCOPE(oldsave); |
2243 | ||
2244 | /* Now do some callish stuff. */ | |
2245 | SAVETMPS; | |
5023d17a | 2246 | SAVEFREESV(cv); /* later, undo the 'avoid premature free' hack */ |
a0d0e21e | 2247 | if (CvXSUB(cv)) { |
67caa1fe | 2248 | #ifdef PERL_XSUB_OLDSTYLE |
a0d0e21e | 2249 | if (CvOLDSTYLE(cv)) { |
20ce7b12 | 2250 | I32 (*fp3)(int,int,int); |
924508f0 GS |
2251 | while (SP > mark) { |
2252 | SP[1] = SP[0]; | |
2253 | SP--; | |
a0d0e21e | 2254 | } |
7766f137 | 2255 | fp3 = (I32(*)(int,int,int))CvXSUB(cv); |
ecfc5424 | 2256 | items = (*fp3)(CvXSUBANY(cv).any_i32, |
3280af22 | 2257 | mark - PL_stack_base + 1, |
ecfc5424 | 2258 | items); |
3280af22 | 2259 | SP = PL_stack_base + items; |
a0d0e21e | 2260 | } |
67caa1fe GS |
2261 | else |
2262 | #endif /* PERL_XSUB_OLDSTYLE */ | |
2263 | { | |
1fa4e549 AD |
2264 | SV **newsp; |
2265 | I32 gimme; | |
2266 | ||
3280af22 | 2267 | PL_stack_sp--; /* There is no cv arg. */ |
1fa4e549 | 2268 | /* Push a mark for the start of arglist */ |
ac27b0f5 | 2269 | PUSHMARK(mark); |
acfe0abc | 2270 | (void)(*CvXSUB(cv))(aTHX_ cv); |
1fa4e549 | 2271 | /* Pop the current context like a decent sub should */ |
3280af22 | 2272 | POPBLOCK(cx, PL_curpm); |
1fa4e549 | 2273 | /* Do _not_ use PUTBACK, keep the XSUB's return stack! */ |
a0d0e21e LW |
2274 | } |
2275 | LEAVE; | |
2276 | return pop_return(); | |
2277 | } | |
2278 | else { | |
2279 | AV* padlist = CvPADLIST(cv); | |
6b35e009 | 2280 | if (CxTYPE(cx) == CXt_EVAL) { |
3280af22 NIS |
2281 | PL_in_eval = cx->blk_eval.old_in_eval; |
2282 | PL_eval_root = cx->blk_eval.old_eval_root; | |
b150fb22 RH |
2283 | cx->cx_type = CXt_SUB; |
2284 | cx->blk_sub.hasargs = 0; | |
2285 | } | |
a0d0e21e | 2286 | cx->blk_sub.cv = cv; |
eb160463 | 2287 | cx->blk_sub.olddepth = (U16)CvDEPTH(cv); |
dd2155a4 | 2288 | |
a0d0e21e LW |
2289 | CvDEPTH(cv)++; |
2290 | if (CvDEPTH(cv) < 2) | |
2291 | (void)SvREFCNT_inc(cv); | |
dd2155a4 | 2292 | else { |
599cee73 | 2293 | if (CvDEPTH(cv) == 100 && ckWARN(WARN_RECURSION)) |
44a8e56a | 2294 | sub_crush_depth(cv); |
dd2155a4 | 2295 | pad_push(padlist, CvDEPTH(cv), cx->blk_sub.hasargs); |
a0d0e21e | 2296 | } |
dd2155a4 | 2297 | PAD_SET_CUR(padlist, CvDEPTH(cv)); |
6d4ff0d2 | 2298 | if (cx->blk_sub.hasargs) |
6d4ff0d2 | 2299 | { |
dd2155a4 | 2300 | AV* av = (AV*)PAD_SVl(0); |
a0d0e21e LW |
2301 | SV** ary; |
2302 | ||
3280af22 NIS |
2303 | cx->blk_sub.savearray = GvAV(PL_defgv); |
2304 | GvAV(PL_defgv) = (AV*)SvREFCNT_inc(av); | |
dd2155a4 | 2305 | CX_CURPAD_SAVE(cx->blk_sub); |
6d4ff0d2 | 2306 | cx->blk_sub.argarray = av; |
a0d0e21e LW |
2307 | ++mark; |
2308 | ||
2309 | if (items >= AvMAX(av) + 1) { | |
2310 | ary = AvALLOC(av); | |
2311 | if (AvARRAY(av) != ary) { | |
2312 | AvMAX(av) += AvARRAY(av) - AvALLOC(av); | |
2313 | SvPVX(av) = (char*)ary; | |
2314 | } | |
2315 | if (items >= AvMAX(av) + 1) { | |
2316 | AvMAX(av) = items - 1; | |
2317 | Renew(ary,items+1,SV*); | |
2318 | AvALLOC(av) = ary; | |
2319 | SvPVX(av) = (char*)ary; | |
2320 | } | |
2321 | } | |
2322 | Copy(mark,AvARRAY(av),items,SV*); | |
93965878 | 2323 | AvFILLp(av) = items - 1; |
d8b46c1b | 2324 | assert(!AvREAL(av)); |
a0d0e21e LW |
2325 | while (items--) { |
2326 | if (*mark) | |
2327 | SvTEMP_off(*mark); | |
2328 | mark++; | |
2329 | } | |
2330 | } | |
491527d0 | 2331 | if (PERLDB_SUB) { /* Checking curstash breaks DProf. */ |
44a8e56a | 2332 | /* |
2333 | * We do not care about using sv to call CV; | |
2334 | * it's for informational purposes only. | |
2335 | */ | |
3280af22 | 2336 | SV *sv = GvSV(PL_DBsub); |
491527d0 | 2337 | CV *gotocv; |
ac27b0f5 | 2338 | |
491527d0 | 2339 | if (PERLDB_SUB_NN) { |
7619c85e RG |
2340 | (void)SvUPGRADE(sv, SVt_PVIV); |
2341 | (void)SvIOK_on(sv); | |
2342 | SAVEIV(SvIVX(sv)); | |
2343 | SvIVX(sv) = PTR2IV(cv); /* Do it the quickest way */ | |
491527d0 GS |
2344 | } else { |
2345 | save_item(sv); | |
2346 | gv_efullname3(sv, CvGV(cv), Nullch); | |
2347 | } | |
2348 | if ( PERLDB_GOTO | |
864dbfa3 | 2349 | && (gotocv = get_cv("DB::goto", FALSE)) ) { |
3280af22 | 2350 | PUSHMARK( PL_stack_sp ); |
864dbfa3 | 2351 | call_sv((SV*)gotocv, G_SCALAR | G_NODEBUG); |
3280af22 | 2352 | PL_stack_sp--; |
491527d0 | 2353 | } |
1ce6579f | 2354 | } |
a0d0e21e LW |
2355 | RETURNOP(CvSTART(cv)); |
2356 | } | |
2357 | } | |
1614b0e3 | 2358 | else { |
2d8e6c8d | 2359 | label = SvPV(sv,n_a); |
1614b0e3 | 2360 | if (!(do_dump || *label)) |
cea2e8a9 | 2361 | DIE(aTHX_ must_have_label); |
1614b0e3 | 2362 | } |
a0d0e21e | 2363 | } |
533c011a | 2364 | else if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e | 2365 | if (! do_dump) |
cea2e8a9 | 2366 | DIE(aTHX_ must_have_label); |
a0d0e21e LW |
2367 | } |
2368 | else | |
2369 | label = cPVOP->op_pv; | |
2370 | ||
2371 | if (label && *label) { | |
2372 | OP *gotoprobe = 0; | |
3b2447bc | 2373 | bool leaving_eval = FALSE; |
33d34e4c | 2374 | bool in_block = FALSE; |
a4f3a277 | 2375 | PERL_CONTEXT *last_eval_cx = 0; |
a0d0e21e LW |
2376 | |
2377 | /* find label */ | |
2378 | ||
3280af22 | 2379 | PL_lastgotoprobe = 0; |
a0d0e21e LW |
2380 | *enterops = 0; |
2381 | for (ix = cxstack_ix; ix >= 0; ix--) { | |
2382 | cx = &cxstack[ix]; | |
6b35e009 | 2383 | switch (CxTYPE(cx)) { |
a0d0e21e | 2384 | case CXt_EVAL: |
3b2447bc | 2385 | leaving_eval = TRUE; |
971ecbe6 | 2386 | if (!CxTRYBLOCK(cx)) { |
a4f3a277 RH |
2387 | gotoprobe = (last_eval_cx ? |
2388 | last_eval_cx->blk_eval.old_eval_root : | |
2389 | PL_eval_root); | |
2390 | last_eval_cx = cx; | |
9c5794fe RH |
2391 | break; |
2392 | } | |
2393 | /* else fall through */ | |
a0d0e21e LW |
2394 | case CXt_LOOP: |
2395 | gotoprobe = cx->blk_oldcop->op_sibling; | |
2396 | break; | |
2397 | case CXt_SUBST: | |
2398 | continue; | |
2399 | case CXt_BLOCK: | |
33d34e4c | 2400 | if (ix) { |
a0d0e21e | 2401 | gotoprobe = cx->blk_oldcop->op_sibling; |
33d34e4c AE |
2402 | in_block = TRUE; |
2403 | } else | |
3280af22 | 2404 | gotoprobe = PL_main_root; |
a0d0e21e | 2405 | break; |
b3933176 CS |
2406 | case CXt_SUB: |
2407 | if (CvDEPTH(cx->blk_sub.cv)) { | |
2408 | gotoprobe = CvROOT(cx->blk_sub.cv); | |
2409 | break; | |
2410 | } | |
2411 | /* FALL THROUGH */ | |
7766f137 | 2412 | case CXt_FORMAT: |
0a753a76 | 2413 | case CXt_NULL: |
a651a37d | 2414 | DIE(aTHX_ "Can't \"goto\" out of a pseudo block"); |
a0d0e21e LW |
2415 | default: |
2416 | if (ix) | |
cea2e8a9 | 2417 | DIE(aTHX_ "panic: goto"); |
3280af22 | 2418 | gotoprobe = PL_main_root; |
a0d0e21e LW |
2419 | break; |
2420 | } | |
2b597662 GS |
2421 | if (gotoprobe) { |
2422 | retop = dofindlabel(gotoprobe, label, | |
2423 | enterops, enterops + GOTO_DEPTH); | |
2424 | if (retop) | |
2425 | break; | |
2426 | } | |
3280af22 | 2427 | PL_lastgotoprobe = gotoprobe; |
a0d0e21e LW |
2428 | } |
2429 | if (!retop) | |
cea2e8a9 | 2430 | DIE(aTHX_ "Can't find label %s", label); |
a0d0e21e | 2431 | |
3b2447bc RH |
2432 | /* if we're leaving an eval, check before we pop any frames |
2433 | that we're not going to punt, otherwise the error | |
2434 | won't be caught */ | |
2435 | ||
2436 | if (leaving_eval && *enterops && enterops[1]) { | |
2437 | I32 i; | |
2438 | for (i = 1; enterops[i]; i++) | |
2439 | if (enterops[i]->op_type == OP_ENTERITER) | |
2440 | DIE(aTHX_ "Can't \"goto\" into the middle of a foreach loop"); | |
2441 | } | |
2442 | ||
a0d0e21e LW |
2443 | /* pop unwanted frames */ |
2444 | ||
2445 | if (ix < cxstack_ix) { | |
2446 | I32 oldsave; | |
2447 | ||
2448 | if (ix < 0) | |
2449 | ix = 0; | |
2450 | dounwind(ix); | |
2451 | TOPBLOCK(cx); | |
3280af22 | 2452 | oldsave = PL_scopestack[PL_scopestack_ix]; |
a0d0e21e LW |
2453 | LEAVE_SCOPE(oldsave); |
2454 | } | |
2455 | ||
2456 | /* push wanted frames */ | |
2457 | ||
748a9306 | 2458 | if (*enterops && enterops[1]) { |
533c011a | 2459 | OP *oldop = PL_op; |
33d34e4c AE |
2460 | ix = enterops[1]->op_type == OP_ENTER && in_block ? 2 : 1; |
2461 | for (; enterops[ix]; ix++) { | |
533c011a | 2462 | PL_op = enterops[ix]; |
84902520 TB |
2463 | /* Eventually we may want to stack the needed arguments |
2464 | * for each op. For now, we punt on the hard ones. */ | |
533c011a | 2465 | if (PL_op->op_type == OP_ENTERITER) |
894356b3 | 2466 | DIE(aTHX_ "Can't \"goto\" into the middle of a foreach loop"); |
fc0dc3b3 | 2467 | CALL_FPTR(PL_op->op_ppaddr)(aTHX); |
a0d0e21e | 2468 | } |
533c011a | 2469 | PL_op = oldop; |
a0d0e21e LW |
2470 | } |
2471 | } | |
2472 | ||
2473 | if (do_dump) { | |
a5f75d66 | 2474 | #ifdef VMS |
6b88bc9c | 2475 | if (!retop) retop = PL_main_start; |
a5f75d66 | 2476 | #endif |
3280af22 NIS |
2477 | PL_restartop = retop; |
2478 | PL_do_undump = TRUE; | |
a0d0e21e LW |
2479 | |
2480 | my_unexec(); | |
2481 | ||
3280af22 NIS |
2482 | PL_restartop = 0; /* hmm, must be GNU unexec().. */ |
2483 | PL_do_undump = FALSE; | |
a0d0e21e LW |
2484 | } |
2485 | ||
2486 | RETURNOP(retop); | |
2487 | } | |
2488 | ||
2489 | PP(pp_exit) | |
2490 | { | |
39644a26 | 2491 | dSP; |
a0d0e21e LW |
2492 | I32 anum; |
2493 | ||
2494 | if (MAXARG < 1) | |
2495 | anum = 0; | |
ff0cee69 | 2496 | else { |
a0d0e21e | 2497 | anum = SvIVx(POPs); |
d98f61e7 GS |
2498 | #ifdef VMS |
2499 | if (anum == 1 && (PL_op->op_private & OPpEXIT_VMSISH)) | |
ff0cee69 | 2500 | anum = 0; |
96e176bf | 2501 | VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH); |
ff0cee69 | 2502 | #endif |
2503 | } | |
cc3604b1 | 2504 | PL_exit_flags |= PERL_EXIT_EXPECTED; |
a0d0e21e | 2505 | my_exit(anum); |
3280af22 | 2506 | PUSHs(&PL_sv_undef); |
a0d0e21e LW |
2507 | RETURN; |
2508 | } | |
2509 | ||
2510 | #ifdef NOTYET | |
2511 | PP(pp_nswitch) | |
2512 | { | |
39644a26 | 2513 | dSP; |
65202027 | 2514 | NV value = SvNVx(GvSV(cCOP->cop_gv)); |
a0d0e21e LW |
2515 | register I32 match = I_32(value); |
2516 | ||
2517 | if (value < 0.0) { | |
65202027 | 2518 | if (((NV)match) > value) |
a0d0e21e LW |
2519 | --match; /* was fractional--truncate other way */ |
2520 | } | |
2521 | match -= cCOP->uop.scop.scop_offset; | |
2522 | if (match < 0) | |
2523 | match = 0; | |
2524 | else if (match > cCOP->uop.scop.scop_max) | |
2525 | match = cCOP->uop.scop.scop_max; | |
6b88bc9c GS |
2526 | PL_op = cCOP->uop.scop.scop_next[match]; |
2527 | RETURNOP(PL_op); | |
a0d0e21e LW |
2528 | } |
2529 | ||
2530 | PP(pp_cswitch) | |
2531 | { | |
39644a26 | 2532 | dSP; |
a0d0e21e LW |
2533 | register I32 match; |
2534 | ||
6b88bc9c GS |
2535 | if (PL_multiline) |
2536 | PL_op = PL_op->op_next; /* can't assume anything */ | |
a0d0e21e | 2537 | else { |
2d8e6c8d GS |
2538 | STRLEN n_a; |
2539 | match = *(SvPVx(GvSV(cCOP->cop_gv), n_a)) & 255; | |
a0d0e21e LW |
2540 | match -= cCOP->uop.scop.scop_offset; |
2541 | if (match < 0) | |
2542 | match = 0; | |
2543 | else if (match > cCOP->uop.scop.scop_max) | |
2544 | match = cCOP->uop.scop.scop_max; | |
6b88bc9c | 2545 | PL_op = cCOP->uop.scop.scop_next[match]; |
a0d0e21e | 2546 | } |
6b88bc9c | 2547 | RETURNOP(PL_op); |
a0d0e21e LW |
2548 | } |
2549 | #endif | |
2550 | ||
2551 | /* Eval. */ | |
2552 | ||
0824fdcb | 2553 | STATIC void |
cea2e8a9 | 2554 | S_save_lines(pTHX_ AV *array, SV *sv) |
a0d0e21e LW |
2555 | { |
2556 | register char *s = SvPVX(sv); | |
2557 | register char *send = SvPVX(sv) + SvCUR(sv); | |
2558 | register char *t; | |
2559 | register I32 line = 1; | |
2560 | ||
2561 | while (s && s < send) { | |
2562 | SV *tmpstr = NEWSV(85,0); | |
2563 | ||
2564 | sv_upgrade(tmpstr, SVt_PVMG); | |
2565 | t = strchr(s, '\n'); | |
2566 | if (t) | |
2567 | t++; | |
2568 | else | |
2569 | t = send; | |
2570 | ||
2571 | sv_setpvn(tmpstr, s, t - s); | |
2572 | av_store(array, line++, tmpstr); | |
2573 | s = t; | |
2574 | } | |
2575 | } | |
2576 | ||
14dd3ad8 | 2577 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 2578 | STATIC void * |
cea2e8a9 | 2579 | S_docatch_body(pTHX_ va_list args) |
312caa8e | 2580 | { |
14dd3ad8 GS |
2581 | return docatch_body(); |
2582 | } | |
2583 | #endif | |
2584 | ||
2585 | STATIC void * | |
2586 | S_docatch_body(pTHX) | |
2587 | { | |
cea2e8a9 | 2588 | CALLRUNOPS(aTHX); |
312caa8e CS |
2589 | return NULL; |
2590 | } | |
2591 | ||
0824fdcb | 2592 | STATIC OP * |
cea2e8a9 | 2593 | S_docatch(pTHX_ OP *o) |
1e422769 | 2594 | { |
6224f72b | 2595 | int ret; |
533c011a | 2596 | OP *oldop = PL_op; |
8bffa5f8 | 2597 | OP *retop; |
0cdb2077 | 2598 | volatile PERL_SI *cursi = PL_curstackinfo; |
db36c5a1 | 2599 | dJMPENV; |
1e422769 | 2600 | |
1e422769 | 2601 | #ifdef DEBUGGING |
54310121 | 2602 | assert(CATCH_GET == TRUE); |
1e422769 | 2603 | #endif |
312caa8e | 2604 | PL_op = o; |
8bffa5f8 DM |
2605 | |
2606 | /* Normally, the leavetry at the end of this block of ops will | |
2607 | * pop an op off the return stack and continue there. By setting | |
2608 | * the op to Nullop, we force an exit from the inner runops() | |
2609 | * loop. DAPM. | |
2610 | */ | |
2611 | retop = pop_return(); | |
2612 | push_return(Nullop); | |
2613 | ||
14dd3ad8 | 2614 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 2615 | redo_body: |
db36c5a1 | 2616 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_docatch_body)); |
14dd3ad8 GS |
2617 | #else |
2618 | JMPENV_PUSH(ret); | |
2619 | #endif | |
6224f72b | 2620 | switch (ret) { |
312caa8e | 2621 | case 0: |
14dd3ad8 GS |
2622 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
2623 | redo_body: | |
2624 | docatch_body(); | |
2625 | #endif | |
312caa8e CS |
2626 | break; |
2627 | case 3: | |
8bffa5f8 | 2628 | /* die caught by an inner eval - continue inner loop */ |
0cdb2077 | 2629 | if (PL_restartop && cursi == PL_curstackinfo) { |
312caa8e CS |
2630 | PL_op = PL_restartop; |
2631 | PL_restartop = 0; | |
2632 | goto redo_body; | |
2633 | } | |
8bffa5f8 DM |
2634 | /* a die in this eval - continue in outer loop */ |
2635 | if (!PL_restartop) | |
2636 | break; | |
312caa8e CS |
2637 | /* FALL THROUGH */ |
2638 | default: | |
14dd3ad8 | 2639 | JMPENV_POP; |
533c011a | 2640 | PL_op = oldop; |
6224f72b | 2641 | JMPENV_JUMP(ret); |
1e422769 | 2642 | /* NOTREACHED */ |
1e422769 | 2643 | } |
14dd3ad8 | 2644 | JMPENV_POP; |
533c011a | 2645 | PL_op = oldop; |
8bffa5f8 | 2646 | return retop; |
1e422769 | 2647 | } |
2648 | ||
c277df42 | 2649 | OP * |
f3548bdc | 2650 | Perl_sv_compile_2op(pTHX_ SV *sv, OP** startop, char *code, PAD** padp) |
c277df42 IZ |
2651 | /* sv Text to convert to OP tree. */ |
2652 | /* startop op_free() this to undo. */ | |
2653 | /* code Short string id of the caller. */ | |
2654 | { | |
2655 | dSP; /* Make POPBLOCK work. */ | |
2656 | PERL_CONTEXT *cx; | |
2657 | SV **newsp; | |
f987c7de | 2658 | I32 gimme = 0; /* SUSPECT - INITIALZE TO WHAT? NI-S */ |
c277df42 IZ |
2659 | I32 optype; |
2660 | OP dummy; | |
155aba94 | 2661 | OP *rop; |
83ee9e09 GS |
2662 | char tbuf[TYPE_DIGITS(long) + 12 + 10]; |
2663 | char *tmpbuf = tbuf; | |
c277df42 | 2664 | char *safestr; |
a3985cdc | 2665 | int runtime; |
40b8d195 | 2666 | CV* runcv = Nullcv; /* initialise to avoid compiler warnings */ |
c277df42 IZ |
2667 | |
2668 | ENTER; | |
2669 | lex_start(sv); | |
2670 | SAVETMPS; | |
2671 | /* switch to eval mode */ | |
2672 | ||
923e4eb5 | 2673 | if (IN_PERL_COMPILETIME) { |
f4dd75d9 | 2674 | SAVECOPSTASH_FREE(&PL_compiling); |
11faa288 | 2675 | CopSTASH_set(&PL_compiling, PL_curstash); |
cbce877f | 2676 | } |
83ee9e09 GS |
2677 | if (PERLDB_NAMEEVAL && CopLINE(PL_curcop)) { |
2678 | SV *sv = sv_newmortal(); | |
2679 | Perl_sv_setpvf(aTHX_ sv, "_<(%.10seval %lu)[%s:%"IVdf"]", | |
2680 | code, (unsigned long)++PL_evalseq, | |
2681 | CopFILE(PL_curcop), (IV)CopLINE(PL_curcop)); | |
2682 | tmpbuf = SvPVX(sv); | |
2683 | } | |
2684 | else | |
2685 | sprintf(tmpbuf, "_<(%.10s_eval %lu)", code, (unsigned long)++PL_evalseq); | |
f4dd75d9 | 2686 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 2687 | CopFILE_set(&PL_compiling, tmpbuf+2); |
f4dd75d9 | 2688 | SAVECOPLINE(&PL_compiling); |
57843af0 | 2689 | CopLINE_set(&PL_compiling, 1); |
c277df42 IZ |
2690 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
2691 | deleting the eval's FILEGV from the stash before gv_check() runs | |
2692 | (i.e. before run-time proper). To work around the coredump that | |
2693 | ensues, we always turn GvMULTI_on for any globals that were | |
2694 | introduced within evals. See force_ident(). GSAR 96-10-12 */ | |
2695 | safestr = savepv(tmpbuf); | |
3280af22 | 2696 | SAVEDELETE(PL_defstash, safestr, strlen(safestr)); |
b3ac6de7 | 2697 | SAVEHINTS(); |
d1ca3daa | 2698 | #ifdef OP_IN_REGISTER |
6b88bc9c | 2699 | PL_opsave = op; |
d1ca3daa | 2700 | #else |
7766f137 | 2701 | SAVEVPTR(PL_op); |
d1ca3daa | 2702 | #endif |
1aa99e6b | 2703 | PL_hints &= HINT_UTF8; |
c277df42 | 2704 | |
a3985cdc | 2705 | /* we get here either during compilation, or via pp_regcomp at runtime */ |
923e4eb5 | 2706 | runtime = IN_PERL_RUNTIME; |
a3985cdc | 2707 | if (runtime) |
d819b83a | 2708 | runcv = find_runcv(NULL); |
a3985cdc | 2709 | |
533c011a | 2710 | PL_op = &dummy; |
13b51b79 | 2711 | PL_op->op_type = OP_ENTEREVAL; |
533c011a | 2712 | PL_op->op_flags = 0; /* Avoid uninit warning. */ |
923e4eb5 | 2713 | PUSHBLOCK(cx, CXt_EVAL|(IN_PERL_COMPILETIME ? 0 : CXp_REAL), SP); |
cc49e20b | 2714 | PUSHEVAL(cx, 0, Nullgv); |
a3985cdc DM |
2715 | |
2716 | if (runtime) | |
2717 | rop = doeval(G_SCALAR, startop, runcv, PL_curcop->cop_seq); | |
2718 | else | |
2719 | rop = doeval(G_SCALAR, startop, PL_compcv, PL_cop_seqmax); | |
13b51b79 | 2720 | POPBLOCK(cx,PL_curpm); |
e84b9f1f | 2721 | POPEVAL(cx); |
c277df42 IZ |
2722 | |
2723 | (*startop)->op_type = OP_NULL; | |
22c35a8c | 2724 | (*startop)->op_ppaddr = PL_ppaddr[OP_NULL]; |
c277df42 | 2725 | lex_end(); |
f3548bdc DM |
2726 | /* XXX DAPM do this properly one year */ |
2727 | *padp = (AV*)SvREFCNT_inc(PL_comppad); | |
c277df42 | 2728 | LEAVE; |
923e4eb5 | 2729 | if (IN_PERL_COMPILETIME) |
eb160463 | 2730 | PL_compiling.op_private = (U8)(PL_hints & HINT_PRIVATE_MASK); |
d1ca3daa | 2731 | #ifdef OP_IN_REGISTER |
6b88bc9c | 2732 | op = PL_opsave; |
d1ca3daa | 2733 | #endif |
c277df42 IZ |
2734 | return rop; |
2735 | } | |
2736 | ||
a3985cdc DM |
2737 | |
2738 | /* | |
2739 | =for apidoc find_runcv | |
2740 | ||
2741 | Locate the CV corresponding to the currently executing sub or eval. | |
d819b83a DM |
2742 | If db_seqp is non_null, skip CVs that are in the DB package and populate |
2743 | *db_seqp with the cop sequence number at the point that the DB:: code was | |
2744 | entered. (allows debuggers to eval in the scope of the breakpoint rather | |
2745 | than in in the scope of the debuger itself). | |
a3985cdc DM |
2746 | |
2747 | =cut | |
2748 | */ | |
2749 | ||
2750 | CV* | |
d819b83a | 2751 | Perl_find_runcv(pTHX_ U32 *db_seqp) |
a3985cdc DM |
2752 | { |
2753 | I32 ix; | |
2754 | PERL_SI *si; | |
2755 | PERL_CONTEXT *cx; | |
2756 | ||
d819b83a DM |
2757 | if (db_seqp) |
2758 | *db_seqp = PL_curcop->cop_seq; | |
a3985cdc DM |
2759 | for (si = PL_curstackinfo; si; si = si->si_prev) { |
2760 | for (ix = si->si_cxix; ix >= 0; ix--) { | |
2761 | cx = &(si->si_cxstack[ix]); | |
d819b83a DM |
2762 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
2763 | CV *cv = cx->blk_sub.cv; | |
2764 | /* skip DB:: code */ | |
2765 | if (db_seqp && PL_debstash && CvSTASH(cv) == PL_debstash) { | |
2766 | *db_seqp = cx->blk_oldcop->cop_seq; | |
2767 | continue; | |
2768 | } | |
2769 | return cv; | |
2770 | } | |
a3985cdc DM |
2771 | else if (CxTYPE(cx) == CXt_EVAL && !CxTRYBLOCK(cx)) |
2772 | return PL_compcv; | |
2773 | } | |
2774 | } | |
2775 | return PL_main_cv; | |
2776 | } | |
2777 | ||
2778 | ||
2779 | /* Compile a require/do, an eval '', or a /(?{...})/. | |
2780 | * In the last case, startop is non-null, and contains the address of | |
2781 | * a pointer that should be set to the just-compiled code. | |
2782 | * outside is the lexically enclosing CV (if any) that invoked us. | |
2783 | */ | |
2784 | ||
4d1ff10f | 2785 | /* With USE_5005THREADS, eval_owner must be held on entry to doeval */ |
0824fdcb | 2786 | STATIC OP * |
a3985cdc | 2787 | S_doeval(pTHX_ int gimme, OP** startop, CV* outside, U32 seq) |
a0d0e21e LW |
2788 | { |
2789 | dSP; | |
533c011a | 2790 | OP *saveop = PL_op; |
a0d0e21e | 2791 | |
6dc8a9e4 IZ |
2792 | PL_in_eval = ((saveop && saveop->op_type == OP_REQUIRE) |
2793 | ? (EVAL_INREQUIRE | (PL_in_eval & EVAL_INEVAL)) | |
2794 | : EVAL_INEVAL); | |
a0d0e21e | 2795 | |
1ce6579f | 2796 | PUSHMARK(SP); |
2797 | ||
3280af22 NIS |
2798 | SAVESPTR(PL_compcv); |
2799 | PL_compcv = (CV*)NEWSV(1104,0); | |
2800 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
1aff0e91 | 2801 | CvEVAL_on(PL_compcv); |
2090ab20 JH |
2802 | assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_EVAL); |
2803 | cxstack[cxstack_ix].blk_eval.cv = PL_compcv; | |
2804 | ||
a3985cdc | 2805 | CvOUTSIDE_SEQ(PL_compcv) = seq; |
7dafbf52 | 2806 | CvOUTSIDE(PL_compcv) = (CV*)SvREFCNT_inc(outside); |
a3985cdc | 2807 | |
dd2155a4 | 2808 | /* set up a scratch pad */ |
a0d0e21e | 2809 | |
dd2155a4 | 2810 | CvPADLIST(PL_compcv) = pad_new(padnew_SAVE); |
2c05e328 | 2811 | |
07055b4c | 2812 | |
26d9b02f | 2813 | SAVEMORTALIZESV(PL_compcv); /* must remain until end of current statement */ |
748a9306 | 2814 | |
a0d0e21e LW |
2815 | /* make sure we compile in the right package */ |
2816 | ||
ed094faf | 2817 | if (CopSTASH_ne(PL_curcop, PL_curstash)) { |
3280af22 | 2818 | SAVESPTR(PL_curstash); |
ed094faf | 2819 | PL_curstash = CopSTASH(PL_curcop); |
a0d0e21e | 2820 | } |
3280af22 NIS |
2821 | SAVESPTR(PL_beginav); |
2822 | PL_beginav = newAV(); | |
2823 | SAVEFREESV(PL_beginav); | |
24944567 | 2824 | SAVEI32(PL_error_count); |
a0d0e21e LW |
2825 | |
2826 | /* try to compile it */ | |
2827 | ||
3280af22 NIS |
2828 | PL_eval_root = Nullop; |
2829 | PL_error_count = 0; | |
2830 | PL_curcop = &PL_compiling; | |
2831 | PL_curcop->cop_arybase = 0; | |
c277df42 | 2832 | if (saveop && saveop->op_flags & OPf_SPECIAL) |
faef0170 | 2833 | PL_in_eval |= EVAL_KEEPERR; |
1ce6579f | 2834 | else |
38a03e6e | 2835 | sv_setpv(ERRSV,""); |
3280af22 | 2836 | if (yyparse() || PL_error_count || !PL_eval_root) { |
0c58d367 | 2837 | SV **newsp; /* Used by POPBLOCK. */ |
4d8b06f1 | 2838 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
c277df42 | 2839 | I32 optype = 0; /* Might be reset by POPEVAL. */ |
2d8e6c8d | 2840 | STRLEN n_a; |
097ee67d | 2841 | |
533c011a | 2842 | PL_op = saveop; |
3280af22 NIS |
2843 | if (PL_eval_root) { |
2844 | op_free(PL_eval_root); | |
2845 | PL_eval_root = Nullop; | |
a0d0e21e | 2846 | } |
3280af22 | 2847 | SP = PL_stack_base + POPMARK; /* pop original mark */ |
c277df42 | 2848 | if (!startop) { |
3280af22 | 2849 | POPBLOCK(cx,PL_curpm); |
c277df42 IZ |
2850 | POPEVAL(cx); |
2851 | pop_return(); | |
2852 | } | |
a0d0e21e LW |
2853 | lex_end(); |
2854 | LEAVE; | |
7a2e2cd6 | 2855 | if (optype == OP_REQUIRE) { |
2d8e6c8d | 2856 | char* msg = SvPVx(ERRSV, n_a); |
4d8b06f1 RD |
2857 | SV *nsv = cx->blk_eval.old_namesv; |
2858 | (void)hv_store(GvHVn(PL_incgv), SvPVX(nsv), SvCUR(nsv), | |
2859 | &PL_sv_undef, 0); | |
5a844595 GS |
2860 | DIE(aTHX_ "%sCompilation failed in require", |
2861 | *msg ? msg : "Unknown error\n"); | |
2862 | } | |
2863 | else if (startop) { | |
2d8e6c8d | 2864 | char* msg = SvPVx(ERRSV, n_a); |
c277df42 | 2865 | |
3280af22 | 2866 | POPBLOCK(cx,PL_curpm); |
c277df42 | 2867 | POPEVAL(cx); |
5a844595 GS |
2868 | Perl_croak(aTHX_ "%sCompilation failed in regexp", |
2869 | (*msg ? msg : "Unknown error\n")); | |
7a2e2cd6 | 2870 | } |
9d7f88dd SR |
2871 | else { |
2872 | char* msg = SvPVx(ERRSV, n_a); | |
2873 | if (!*msg) { | |
2874 | sv_setpv(ERRSV, "Compilation error"); | |
2875 | } | |
2876 | } | |
a0d0e21e LW |
2877 | RETPUSHUNDEF; |
2878 | } | |
57843af0 | 2879 | CopLINE_set(&PL_compiling, 0); |
c277df42 | 2880 | if (startop) { |
3280af22 | 2881 | *startop = PL_eval_root; |
c277df42 | 2882 | } else |
3280af22 | 2883 | SAVEFREEOP(PL_eval_root); |
0c58d367 RGS |
2884 | |
2885 | /* Set the context for this new optree. | |
2886 | * If the last op is an OP_REQUIRE, force scalar context. | |
2887 | * Otherwise, propagate the context from the eval(). */ | |
2888 | if (PL_eval_root->op_type == OP_LEAVEEVAL | |
2889 | && cUNOPx(PL_eval_root)->op_first->op_type == OP_LINESEQ | |
2890 | && cLISTOPx(cUNOPx(PL_eval_root)->op_first)->op_last->op_type | |
2891 | == OP_REQUIRE) | |
2892 | scalar(PL_eval_root); | |
2893 | else if (gimme & G_VOID) | |
3280af22 | 2894 | scalarvoid(PL_eval_root); |
54310121 | 2895 | else if (gimme & G_ARRAY) |
3280af22 | 2896 | list(PL_eval_root); |
a0d0e21e | 2897 | else |
3280af22 | 2898 | scalar(PL_eval_root); |
a0d0e21e LW |
2899 | |
2900 | DEBUG_x(dump_eval()); | |
2901 | ||
55497cff | 2902 | /* Register with debugger: */ |
84902520 | 2903 | if (PERLDB_INTER && saveop->op_type == OP_REQUIRE) { |
864dbfa3 | 2904 | CV *cv = get_cv("DB::postponed", FALSE); |
55497cff | 2905 | if (cv) { |
2906 | dSP; | |
924508f0 | 2907 | PUSHMARK(SP); |
cc49e20b | 2908 | XPUSHs((SV*)CopFILEGV(&PL_compiling)); |
55497cff | 2909 | PUTBACK; |
864dbfa3 | 2910 | call_sv((SV*)cv, G_DISCARD); |
55497cff | 2911 | } |
2912 | } | |
2913 | ||
a0d0e21e LW |
2914 | /* compiled okay, so do it */ |
2915 | ||
3280af22 NIS |
2916 | CvDEPTH(PL_compcv) = 1; |
2917 | SP = PL_stack_base + POPMARK; /* pop original mark */ | |
533c011a | 2918 | PL_op = saveop; /* The caller may need it. */ |
6dc8a9e4 | 2919 | PL_lex_state = LEX_NOTPARSING; /* $^S needs this. */ |
5dc0d613 | 2920 | |
3280af22 | 2921 | RETURNOP(PL_eval_start); |
a0d0e21e LW |
2922 | } |
2923 | ||
a6c40364 | 2924 | STATIC PerlIO * |
7925835c | 2925 | S_doopen_pm(pTHX_ const char *name, const char *mode) |
b295d113 | 2926 | { |
7925835c | 2927 | #ifndef PERL_DISABLE_PMC |
b295d113 TH |
2928 | STRLEN namelen = strlen(name); |
2929 | PerlIO *fp; | |
2930 | ||
7894fbab | 2931 | if (namelen > 3 && strEQ(name + namelen - 3, ".pm")) { |
cea2e8a9 | 2932 | SV *pmcsv = Perl_newSVpvf(aTHX_ "%s%c", name, 'c'); |
b295d113 TH |
2933 | char *pmc = SvPV_nolen(pmcsv); |
2934 | Stat_t pmstat; | |
a6c40364 GS |
2935 | Stat_t pmcstat; |
2936 | if (PerlLIO_stat(pmc, &pmcstat) < 0) { | |
b295d113 | 2937 | fp = PerlIO_open(name, mode); |
a6c40364 GS |
2938 | } |
2939 | else { | |
b295d113 | 2940 | if (PerlLIO_stat(name, &pmstat) < 0 || |
a6c40364 GS |
2941 | pmstat.st_mtime < pmcstat.st_mtime) |
2942 | { | |
2943 | fp = PerlIO_open(pmc, mode); | |
2944 | } | |
2945 | else { | |
2946 | fp = PerlIO_open(name, mode); | |
2947 | } | |
b295d113 | 2948 | } |
a6c40364 GS |
2949 | SvREFCNT_dec(pmcsv); |
2950 | } | |
2951 | else { | |
2952 | fp = PerlIO_open(name, mode); | |
b295d113 | 2953 | } |
b295d113 | 2954 | return fp; |
7925835c RGS |
2955 | #else |
2956 | return PerlIO_open(name, mode); | |
2957 | #endif /* !PERL_DISABLE_PMC */ | |
b295d113 TH |
2958 | } |
2959 | ||
a0d0e21e LW |
2960 | PP(pp_require) |
2961 | { | |
39644a26 | 2962 | dSP; |
c09156bb | 2963 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
2964 | SV *sv; |
2965 | char *name; | |
6132ea6c | 2966 | STRLEN len; |
9c5ffd7c | 2967 | char *tryname = Nullch; |
46fc3d4c | 2968 | SV *namesv = Nullsv; |
a0d0e21e | 2969 | SV** svp; |
986b19de | 2970 | I32 gimme = GIMME_V; |
760ac839 | 2971 | PerlIO *tryrsfp = 0; |
2d8e6c8d | 2972 | STRLEN n_a; |
bbed91b5 KF |
2973 | int filter_has_file = 0; |
2974 | GV *filter_child_proc = 0; | |
2975 | SV *filter_state = 0; | |
2976 | SV *filter_sub = 0; | |
89ccab8c | 2977 | SV *hook_sv = 0; |
6ec9efec JH |
2978 | SV *encoding; |
2979 | OP *op; | |
a0d0e21e LW |
2980 | |
2981 | sv = POPs; | |
d4a8e56c | 2982 | if (SvNIOKp(sv) && PL_op->op_type != OP_DOFILE) { |
f684db92 | 2983 | if (SvPOK(sv) && SvNOK(sv) && SvNV(sv)) { /* require v5.6.1 */ |
4305d8ab | 2984 | UV rev = 0, ver = 0, sver = 0; |
ba210ebe | 2985 | STRLEN len; |
a7cb1f99 GS |
2986 | U8 *s = (U8*)SvPVX(sv); |
2987 | U8 *end = (U8*)SvPVX(sv) + SvCUR(sv); | |
2988 | if (s < end) { | |
9041c2e3 | 2989 | rev = utf8n_to_uvchr(s, end - s, &len, 0); |
a7cb1f99 GS |
2990 | s += len; |
2991 | if (s < end) { | |
9041c2e3 | 2992 | ver = utf8n_to_uvchr(s, end - s, &len, 0); |
a7cb1f99 GS |
2993 | s += len; |
2994 | if (s < end) | |
9041c2e3 | 2995 | sver = utf8n_to_uvchr(s, end - s, &len, 0); |
a7cb1f99 | 2996 | } |
a7cb1f99 | 2997 | } |
a7cb1f99 GS |
2998 | if (PERL_REVISION < rev |
2999 | || (PERL_REVISION == rev | |
3000 | && (PERL_VERSION < ver | |
3001 | || (PERL_VERSION == ver | |
3002 | && PERL_SUBVERSION < sver)))) | |
3003 | { | |
cc507455 | 3004 | DIE(aTHX_ "Perl v%"UVuf".%"UVuf".%"UVuf" required--this is only " |
894356b3 | 3005 | "v%d.%d.%d, stopped", rev, ver, sver, PERL_REVISION, |
a7cb1f99 GS |
3006 | PERL_VERSION, PERL_SUBVERSION); |
3007 | } | |
e3407aba | 3008 | if (ckWARN(WARN_PORTABLE)) |
9014280d | 3009 | Perl_warner(aTHX_ packWARN(WARN_PORTABLE), |
e3407aba | 3010 | "v-string in use/require non-portable"); |
4305d8ab | 3011 | RETPUSHYES; |
a7cb1f99 GS |
3012 | } |
3013 | else if (!SvPOKp(sv)) { /* require 5.005_03 */ | |
a7cb1f99 GS |
3014 | if ((NV)PERL_REVISION + ((NV)PERL_VERSION/(NV)1000) |
3015 | + ((NV)PERL_SUBVERSION/(NV)1000000) | |
3016 | + 0.00000099 < SvNV(sv)) | |
3017 | { | |
dbe7b177 GS |
3018 | NV nrev = SvNV(sv); |
3019 | UV rev = (UV)nrev; | |
3020 | NV nver = (nrev - rev) * 1000; | |
3021 | UV ver = (UV)(nver + 0.0009); | |
3022 | NV nsver = (nver - ver) * 1000; | |
3023 | UV sver = (UV)(nsver + 0.0009); | |
3024 | ||
cc507455 GS |
3025 | /* help out with the "use 5.6" confusion */ |
3026 | if (sver == 0 && (rev > 5 || (rev == 5 && ver >= 100))) { | |
fd7c7598 PN |
3027 | DIE(aTHX_ "Perl v%"UVuf".%"UVuf".%"UVuf" required" |
3028 | " (did you mean v%"UVuf".%03"UVuf"?)--" | |
3029 | "this is only v%d.%d.%d, stopped", | |
5dacba13 PN |
3030 | rev, ver, sver, rev, ver/100, |
3031 | PERL_REVISION, PERL_VERSION, PERL_SUBVERSION); | |
cc507455 GS |
3032 | } |
3033 | else { | |
3034 | DIE(aTHX_ "Perl v%"UVuf".%"UVuf".%"UVuf" required--" | |
3035 | "this is only v%d.%d.%d, stopped", | |
3036 | rev, ver, sver, PERL_REVISION, PERL_VERSION, | |
3037 | PERL_SUBVERSION); | |
3038 | } | |
a7cb1f99 | 3039 | } |
4305d8ab | 3040 | RETPUSHYES; |
a7cb1f99 | 3041 | } |
a0d0e21e | 3042 | } |
6132ea6c GS |
3043 | name = SvPV(sv, len); |
3044 | if (!(name && len > 0 && *name)) | |
cea2e8a9 | 3045 | DIE(aTHX_ "Null filename used"); |
4633a7c4 | 3046 | TAINT_PROPER("require"); |
533c011a | 3047 | if (PL_op->op_type == OP_REQUIRE && |
4d8b06f1 RD |
3048 | (svp = hv_fetch(GvHVn(PL_incgv), name, len, 0))) { |
3049 | if (*svp != &PL_sv_undef) | |
3050 | RETPUSHYES; | |
3051 | else | |
3052 | DIE(aTHX_ "Compilation failed in require"); | |
3053 | } | |
a0d0e21e LW |
3054 | |
3055 | /* prepare to compile file */ | |
3056 | ||
be4b629d | 3057 | if (path_is_absolute(name)) { |
46fc3d4c | 3058 | tryname = name; |
7925835c | 3059 | tryrsfp = doopen_pm(name,PERL_SCRIPT_MODE); |
bf4acbe4 | 3060 | } |
67627c52 JH |
3061 | #ifdef MACOS_TRADITIONAL |
3062 | if (!tryrsfp) { | |
3063 | char newname[256]; | |
3064 | ||
3065 | MacPerl_CanonDir(name, newname, 1); | |
3066 | if (path_is_absolute(newname)) { | |
3067 | tryname = newname; | |
7925835c | 3068 | tryrsfp = doopen_pm(newname,PERL_SCRIPT_MODE); |
67627c52 JH |
3069 | } |
3070 | } | |
3071 | #endif | |
be4b629d | 3072 | if (!tryrsfp) { |
3280af22 | 3073 | AV *ar = GvAVn(PL_incgv); |
a0d0e21e | 3074 | I32 i; |
748a9306 | 3075 | #ifdef VMS |
46fc3d4c | 3076 | char *unixname; |
3077 | if ((unixname = tounixspec(name, Nullch)) != Nullch) | |
3078 | #endif | |
3079 | { | |
3080 | namesv = NEWSV(806, 0); | |
3081 | for (i = 0; i <= AvFILL(ar); i++) { | |
bbed91b5 KF |
3082 | SV *dirsv = *av_fetch(ar, i, TRUE); |
3083 | ||
3084 | if (SvROK(dirsv)) { | |
3085 | int count; | |
3086 | SV *loader = dirsv; | |
3087 | ||
e14e2dc8 NC |
3088 | if (SvTYPE(SvRV(loader)) == SVt_PVAV |
3089 | && !sv_isobject(loader)) | |
3090 | { | |
bbed91b5 KF |
3091 | loader = *av_fetch((AV *)SvRV(loader), 0, TRUE); |
3092 | } | |
3093 | ||
b900a521 | 3094 | Perl_sv_setpvf(aTHX_ namesv, "/loader/0x%"UVxf"/%s", |
44f0be63 | 3095 | PTR2UV(SvRV(dirsv)), name); |
bbed91b5 KF |
3096 | tryname = SvPVX(namesv); |
3097 | tryrsfp = 0; | |
3098 | ||
3099 | ENTER; | |
3100 | SAVETMPS; | |
3101 | EXTEND(SP, 2); | |
3102 | ||
3103 | PUSHMARK(SP); | |
3104 | PUSHs(dirsv); | |
3105 | PUSHs(sv); | |
3106 | PUTBACK; | |
e982885c NC |
3107 | if (sv_isobject(loader)) |
3108 | count = call_method("INC", G_ARRAY); | |
3109 | else | |
3110 | count = call_sv(loader, G_ARRAY); | |
bbed91b5 KF |
3111 | SPAGAIN; |
3112 | ||
3113 | if (count > 0) { | |
3114 | int i = 0; | |
3115 | SV *arg; | |
3116 | ||
3117 | SP -= count - 1; | |
3118 | arg = SP[i++]; | |
3119 | ||
3120 | if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVGV) { | |
3121 | arg = SvRV(arg); | |
3122 | } | |
3123 | ||
3124 | if (SvTYPE(arg) == SVt_PVGV) { | |
3125 | IO *io = GvIO((GV *)arg); | |
3126 | ||
3127 | ++filter_has_file; | |
3128 | ||
3129 | if (io) { | |
3130 | tryrsfp = IoIFP(io); | |
50952442 | 3131 | if (IoTYPE(io) == IoTYPE_PIPE) { |
bbed91b5 KF |
3132 | /* reading from a child process doesn't |
3133 | nest -- when returning from reading | |
3134 | the inner module, the outer one is | |
3135 | unreadable (closed?) I've tried to | |
3136 | save the gv to manage the lifespan of | |
3137 | the pipe, but this didn't help. XXX */ | |
3138 | filter_child_proc = (GV *)arg; | |
520c758a | 3139 | (void)SvREFCNT_inc(filter_child_proc); |
bbed91b5 KF |
3140 | } |
3141 | else { | |
3142 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { | |
3143 | PerlIO_close(IoOFP(io)); | |
3144 | } | |
3145 | IoIFP(io) = Nullfp; | |
3146 | IoOFP(io) = Nullfp; | |
3147 | } | |
3148 | } | |
3149 | ||
3150 | if (i < count) { | |
3151 | arg = SP[i++]; | |
3152 | } | |
3153 | } | |
3154 | ||
3155 | if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVCV) { | |
3156 | filter_sub = arg; | |
520c758a | 3157 | (void)SvREFCNT_inc(filter_sub); |
bbed91b5 KF |
3158 | |
3159 | if (i < count) { | |
3160 | filter_state = SP[i]; | |
520c758a | 3161 | (void)SvREFCNT_inc(filter_state); |
bbed91b5 KF |
3162 | } |
3163 | ||
3164 | if (tryrsfp == 0) { | |
3165 | tryrsfp = PerlIO_open("/dev/null", | |
3166 | PERL_SCRIPT_MODE); | |
3167 | } | |
3168 | } | |
1d06aecd | 3169 | SP--; |
bbed91b5 KF |
3170 | } |
3171 | ||
3172 | PUTBACK; | |
3173 | FREETMPS; | |
3174 | LEAVE; | |
3175 | ||
3176 | if (tryrsfp) { | |
89ccab8c | 3177 | hook_sv = dirsv; |
bbed91b5 KF |
3178 | break; |
3179 | } | |
3180 | ||
3181 | filter_has_file = 0; | |
3182 | if (filter_child_proc) { | |
3183 | SvREFCNT_dec(filter_child_proc); | |
3184 | filter_child_proc = 0; | |
3185 | } | |
3186 | if (filter_state) { | |
3187 | SvREFCNT_dec(filter_state); | |
3188 | filter_state = 0; | |
3189 | } | |
3190 | if (filter_sub) { | |
3191 | SvREFCNT_dec(filter_sub); | |
3192 | filter_sub = 0; | |
3193 | } | |
3194 | } | |
3195 | else { | |
be4b629d CN |
3196 | if (!path_is_absolute(name) |
3197 | #ifdef MACOS_TRADITIONAL | |
3198 | /* We consider paths of the form :a:b ambiguous and interpret them first | |
3199 | as global then as local | |
3200 | */ | |
3201 | || (*name == ':' && name[1] != ':' && strchr(name+2, ':')) | |
3202 | #endif | |
3203 | ) { | |
bbed91b5 | 3204 | char *dir = SvPVx(dirsv, n_a); |
bf4acbe4 | 3205 | #ifdef MACOS_TRADITIONAL |
67627c52 JH |
3206 | char buf1[256]; |
3207 | char buf2[256]; | |
3208 | ||
3209 | MacPerl_CanonDir(name, buf2, 1); | |
3210 | Perl_sv_setpvf(aTHX_ namesv, "%s%s", MacPerl_CanonDir(dir, buf1, 0), buf2+(buf2[0] == ':')); | |
bf4acbe4 | 3211 | #else |
46fc3d4c | 3212 | #ifdef VMS |
bbed91b5 KF |
3213 | char *unixdir; |
3214 | if ((unixdir = tounixpath(dir, Nullch)) == Nullch) | |
3215 | continue; | |
3216 | sv_setpv(namesv, unixdir); | |
3217 | sv_catpv(namesv, unixname); | |
748a9306 | 3218 | #else |
bbed91b5 | 3219 | Perl_sv_setpvf(aTHX_ namesv, "%s/%s", dir, name); |
748a9306 | 3220 | #endif |
bf4acbe4 | 3221 | #endif |
bbed91b5 KF |
3222 | TAINT_PROPER("require"); |
3223 | tryname = SvPVX(namesv); | |
7925835c | 3224 | tryrsfp = doopen_pm(tryname, PERL_SCRIPT_MODE); |
bbed91b5 KF |
3225 | if (tryrsfp) { |
3226 | if (tryname[0] == '.' && tryname[1] == '/') | |
3227 | tryname += 2; | |
3228 | break; | |
3229 | } | |
be4b629d | 3230 | } |
46fc3d4c | 3231 | } |
a0d0e21e LW |
3232 | } |
3233 | } | |
3234 | } | |
f4dd75d9 | 3235 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 3236 | CopFILE_set(&PL_compiling, tryrsfp ? tryname : name); |
46fc3d4c | 3237 | SvREFCNT_dec(namesv); |
a0d0e21e | 3238 | if (!tryrsfp) { |
533c011a | 3239 | if (PL_op->op_type == OP_REQUIRE) { |
ec889f3a GS |
3240 | char *msgstr = name; |
3241 | if (namesv) { /* did we lookup @INC? */ | |
3242 | SV *msg = sv_2mortal(newSVpv(msgstr,0)); | |
3243 | SV *dirmsgsv = NEWSV(0, 0); | |
3244 | AV *ar = GvAVn(PL_incgv); | |
3245 | I32 i; | |
3246 | sv_catpvn(msg, " in @INC", 8); | |
3247 | if (instr(SvPVX(msg), ".h ")) | |
3248 | sv_catpv(msg, " (change .h to .ph maybe?)"); | |
3249 | if (instr(SvPVX(msg), ".ph ")) | |
3250 | sv_catpv(msg, " (did you run h2ph?)"); | |
3251 | sv_catpv(msg, " (@INC contains:"); | |
3252 | for (i = 0; i <= AvFILL(ar); i++) { | |
3253 | char *dir = SvPVx(*av_fetch(ar, i, TRUE), n_a); | |
cea2e8a9 | 3254 | Perl_sv_setpvf(aTHX_ dirmsgsv, " %s", dir); |
ec889f3a GS |
3255 | sv_catsv(msg, dirmsgsv); |
3256 | } | |
3257 | sv_catpvn(msg, ")", 1); | |
3258 | SvREFCNT_dec(dirmsgsv); | |
3259 | msgstr = SvPV_nolen(msg); | |
2683423c | 3260 | } |
ea071790 | 3261 | DIE(aTHX_ "Can't locate %s", msgstr); |
a0d0e21e LW |
3262 | } |
3263 | ||
3264 | RETPUSHUNDEF; | |
3265 | } | |
d8bfb8bd | 3266 | else |
93189314 | 3267 | SETERRNO(0, SS_NORMAL); |
a0d0e21e LW |
3268 | |
3269 | /* Assume success here to prevent recursive requirement. */ | |
d3a4e64e RGS |
3270 | len = strlen(name); |
3271 | /* Check whether a hook in @INC has already filled %INC */ | |
3272 | if (!hook_sv || !(svp = hv_fetch(GvHVn(PL_incgv), name, len, 0))) { | |
3273 | (void)hv_store(GvHVn(PL_incgv), name, len, | |
3274 | (hook_sv ? SvREFCNT_inc(hook_sv) | |
3275 | : newSVpv(CopFILE(&PL_compiling), 0)), | |
3276 | 0 ); | |
3277 | } | |
a0d0e21e LW |
3278 | |
3279 | ENTER; | |
3280 | SAVETMPS; | |
79cb57f6 | 3281 | lex_start(sv_2mortal(newSVpvn("",0))); |
b9d12d37 GS |
3282 | SAVEGENERICSV(PL_rsfp_filters); |
3283 | PL_rsfp_filters = Nullav; | |
e50aee73 | 3284 | |
3280af22 | 3285 | PL_rsfp = tryrsfp; |
b3ac6de7 | 3286 | SAVEHINTS(); |
3280af22 | 3287 | PL_hints = 0; |
7766f137 | 3288 | SAVESPTR(PL_compiling.cop_warnings); |
0453d815 | 3289 | if (PL_dowarn & G_WARN_ALL_ON) |
d3a7d8c7 | 3290 | PL_compiling.cop_warnings = pWARN_ALL ; |
0453d815 | 3291 | else if (PL_dowarn & G_WARN_ALL_OFF) |
d3a7d8c7 | 3292 | PL_compiling.cop_warnings = pWARN_NONE ; |
317ea90d MS |
3293 | else if (PL_taint_warn) |
3294 | PL_compiling.cop_warnings = newSVpvn(WARN_TAINTstring, WARNsize); | |
ac27b0f5 | 3295 | else |
d3a7d8c7 | 3296 | PL_compiling.cop_warnings = pWARN_STD ; |
ac27b0f5 NIS |
3297 | SAVESPTR(PL_compiling.cop_io); |
3298 | PL_compiling.cop_io = Nullsv; | |
a0d0e21e | 3299 | |
bbed91b5 KF |
3300 | if (filter_sub || filter_child_proc) { |
3301 | SV *datasv = filter_add(run_user_filter, Nullsv); | |
3302 | IoLINES(datasv) = filter_has_file; | |
3303 | IoFMT_GV(datasv) = (GV *)filter_child_proc; | |
3304 | IoTOP_GV(datasv) = (GV *)filter_state; | |
3305 | IoBOTTOM_GV(datasv) = (GV *)filter_sub; | |
3306 | } | |
3307 | ||
3308 | /* switch to eval mode */ | |
533c011a | 3309 | push_return(PL_op->op_next); |
a0d0e21e | 3310 | PUSHBLOCK(cx, CXt_EVAL, SP); |
cc49e20b | 3311 | PUSHEVAL(cx, name, Nullgv); |
a0d0e21e | 3312 | |
57843af0 GS |
3313 | SAVECOPLINE(&PL_compiling); |
3314 | CopLINE_set(&PL_compiling, 0); | |
a0d0e21e LW |
3315 | |
3316 | PUTBACK; | |
6ec9efec JH |
3317 | |
3318 | /* Store and reset encoding. */ | |
3319 | encoding = PL_encoding; | |
3320 | PL_encoding = Nullsv; | |
3321 | ||
a3985cdc | 3322 | op = DOCATCH(doeval(gimme, NULL, Nullcv, PL_curcop->cop_seq)); |
6ec9efec JH |
3323 | |
3324 | /* Restore encoding. */ | |
3325 | PL_encoding = encoding; | |
3326 | ||
3327 | return op; | |
a0d0e21e LW |
3328 | } |
3329 | ||
3330 | PP(pp_dofile) | |
3331 | { | |
cea2e8a9 | 3332 | return pp_require(); |
a0d0e21e LW |
3333 | } |
3334 | ||
3335 | PP(pp_entereval) | |
3336 | { | |
39644a26 | 3337 | dSP; |
c09156bb | 3338 | register PERL_CONTEXT *cx; |
a0d0e21e | 3339 | dPOPss; |
3280af22 | 3340 | I32 gimme = GIMME_V, was = PL_sub_generation; |
83ee9e09 GS |
3341 | char tbuf[TYPE_DIGITS(long) + 12]; |
3342 | char *tmpbuf = tbuf; | |
fc36a67e | 3343 | char *safestr; |
a0d0e21e | 3344 | STRLEN len; |
55497cff | 3345 | OP *ret; |
a3985cdc | 3346 | CV* runcv; |
d819b83a | 3347 | U32 seq; |
a0d0e21e | 3348 | |
16a5162e | 3349 | if (!SvPV(sv,len)) |
a0d0e21e | 3350 | RETPUSHUNDEF; |
748a9306 | 3351 | TAINT_PROPER("eval"); |
a0d0e21e LW |
3352 | |
3353 | ENTER; | |
a0d0e21e | 3354 | lex_start(sv); |
748a9306 | 3355 | SAVETMPS; |
ac27b0f5 | 3356 | |
a0d0e21e LW |
3357 | /* switch to eval mode */ |
3358 | ||
83ee9e09 GS |
3359 | if (PERLDB_NAMEEVAL && CopLINE(PL_curcop)) { |
3360 | SV *sv = sv_newmortal(); | |
3361 | Perl_sv_setpvf(aTHX_ sv, "_<(eval %lu)[%s:%"IVdf"]", | |
3362 | (unsigned long)++PL_evalseq, | |
3363 | CopFILE(PL_curcop), (IV)CopLINE(PL_curcop)); | |
3364 | tmpbuf = SvPVX(sv); | |
3365 | } | |
3366 | else | |
3367 | sprintf(tmpbuf, "_<(eval %lu)", (unsigned long)++PL_evalseq); | |
f4dd75d9 | 3368 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 3369 | CopFILE_set(&PL_compiling, tmpbuf+2); |
f4dd75d9 | 3370 | SAVECOPLINE(&PL_compiling); |
57843af0 | 3371 | CopLINE_set(&PL_compiling, 1); |
55497cff | 3372 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
3373 | deleting the eval's FILEGV from the stash before gv_check() runs | |
3374 | (i.e. before run-time proper). To work around the coredump that | |
3375 | ensues, we always turn GvMULTI_on for any globals that were | |
3376 | introduced within evals. See force_ident(). GSAR 96-10-12 */ | |
3377 | safestr = savepv(tmpbuf); | |
3280af22 | 3378 | SAVEDELETE(PL_defstash, safestr, strlen(safestr)); |
b3ac6de7 | 3379 | SAVEHINTS(); |
533c011a | 3380 | PL_hints = PL_op->op_targ; |
7766f137 | 3381 | SAVESPTR(PL_compiling.cop_warnings); |
f0a6fc86 GS |
3382 | if (specialWARN(PL_curcop->cop_warnings)) |
3383 | PL_compiling.cop_warnings = PL_curcop->cop_warnings; | |
3384 | else { | |
3385 | PL_compiling.cop_warnings = newSVsv(PL_curcop->cop_warnings); | |
3386 | SAVEFREESV(PL_compiling.cop_warnings); | |
599cee73 | 3387 | } |
ac27b0f5 NIS |
3388 | SAVESPTR(PL_compiling.cop_io); |
3389 | if (specialCopIO(PL_curcop->cop_io)) | |
3390 | PL_compiling.cop_io = PL_curcop->cop_io; | |
3391 | else { | |
3392 | PL_compiling.cop_io = newSVsv(PL_curcop->cop_io); | |
3393 | SAVEFREESV(PL_compiling.cop_io); | |
3394 | } | |
d819b83a DM |
3395 | /* special case: an eval '' executed within the DB package gets lexically |
3396 | * placed in the first non-DB CV rather than the current CV - this | |
3397 | * allows the debugger to execute code, find lexicals etc, in the | |
3398 | * scope of the code being debugged. Passing &seq gets find_runcv | |
3399 | * to do the dirty work for us */ | |
3400 | runcv = find_runcv(&seq); | |
a0d0e21e | 3401 | |
533c011a | 3402 | push_return(PL_op->op_next); |
6b35e009 | 3403 | PUSHBLOCK(cx, (CXt_EVAL|CXp_REAL), SP); |
cc49e20b | 3404 | PUSHEVAL(cx, 0, Nullgv); |
a0d0e21e LW |
3405 | |
3406 | /* prepare to compile string */ | |
3407 | ||
3280af22 | 3408 | if (PERLDB_LINE && PL_curstash != PL_debstash) |
cc49e20b | 3409 | save_lines(CopFILEAV(&PL_compiling), PL_linestr); |
a0d0e21e | 3410 | PUTBACK; |
d819b83a | 3411 | ret = doeval(gimme, NULL, runcv, seq); |
eb160463 | 3412 | if (PERLDB_INTER && was != (I32)PL_sub_generation /* Some subs defined here. */ |
533c011a | 3413 | && ret != PL_op->op_next) { /* Successive compilation. */ |
55497cff | 3414 | strcpy(safestr, "_<(eval )"); /* Anything fake and short. */ |
3415 | } | |
1e422769 | 3416 | return DOCATCH(ret); |
a0d0e21e LW |
3417 | } |
3418 | ||
3419 | PP(pp_leaveeval) | |
3420 | { | |
39644a26 | 3421 | dSP; |
a0d0e21e LW |
3422 | register SV **mark; |
3423 | SV **newsp; | |
3424 | PMOP *newpm; | |
3425 | I32 gimme; | |
c09156bb | 3426 | register PERL_CONTEXT *cx; |
a0d0e21e | 3427 | OP *retop; |
533c011a | 3428 | U8 save_flags = PL_op -> op_flags; |
a0d0e21e LW |
3429 | I32 optype; |
3430 | ||
3431 | POPBLOCK(cx,newpm); | |
3432 | POPEVAL(cx); | |
3433 | retop = pop_return(); | |
3434 | ||
a1f49e72 | 3435 | TAINT_NOT; |
54310121 | 3436 | if (gimme == G_VOID) |
3437 | MARK = newsp; | |
3438 | else if (gimme == G_SCALAR) { | |
3439 | MARK = newsp + 1; | |
3440 | if (MARK <= SP) { | |
3441 | if (SvFLAGS(TOPs) & SVs_TEMP) | |
3442 | *MARK = TOPs; | |
3443 | else | |
3444 | *MARK = sv_mortalcopy(TOPs); | |
3445 | } | |
a0d0e21e | 3446 | else { |
54310121 | 3447 | MEXTEND(mark,0); |
3280af22 | 3448 | *MARK = &PL_sv_undef; |
a0d0e21e | 3449 | } |
a7ec2b44 | 3450 | SP = MARK; |
a0d0e21e LW |
3451 | } |
3452 | else { | |
a1f49e72 CS |
3453 | /* in case LEAVE wipes old return values */ |
3454 | for (mark = newsp + 1; mark <= SP; mark++) { | |
3455 | if (!(SvFLAGS(*mark) & SVs_TEMP)) { | |
a0d0e21e | 3456 | *mark = sv_mortalcopy(*mark); |
a1f49e72 CS |
3457 | TAINT_NOT; /* Each item is independent */ |
3458 | } | |
3459 | } | |
a0d0e21e | 3460 | } |
3280af22 | 3461 | PL_curpm = newpm; /* Don't pop $1 et al till now */ |
a0d0e21e | 3462 | |
4fdae800 | 3463 | #ifdef DEBUGGING |
3280af22 | 3464 | assert(CvDEPTH(PL_compcv) == 1); |
4fdae800 | 3465 | #endif |
3280af22 | 3466 | CvDEPTH(PL_compcv) = 0; |
f46d017c | 3467 | lex_end(); |
4fdae800 | 3468 | |
1ce6579f | 3469 | if (optype == OP_REQUIRE && |
924508f0 | 3470 | !(gimme == G_SCALAR ? SvTRUE(*SP) : SP > newsp)) |
54310121 | 3471 | { |
1ce6579f | 3472 | /* Unassume the success we assumed earlier. */ |
0f79a09d GS |
3473 | SV *nsv = cx->blk_eval.old_namesv; |
3474 | (void)hv_delete(GvHVn(PL_incgv), SvPVX(nsv), SvCUR(nsv), G_DISCARD); | |
35c1215d | 3475 | retop = Perl_die(aTHX_ "%"SVf" did not return a true value", nsv); |
f46d017c GS |
3476 | /* die_where() did LEAVE, or we won't be here */ |
3477 | } | |
3478 | else { | |
3479 | LEAVE; | |
3480 | if (!(save_flags & OPf_SPECIAL)) | |
3481 | sv_setpv(ERRSV,""); | |
a0d0e21e | 3482 | } |
a0d0e21e LW |
3483 | |
3484 | RETURNOP(retop); | |
3485 | } | |
3486 | ||
a0d0e21e LW |
3487 | PP(pp_entertry) |
3488 | { | |
39644a26 | 3489 | dSP; |
c09156bb | 3490 | register PERL_CONTEXT *cx; |
54310121 | 3491 | I32 gimme = GIMME_V; |
a0d0e21e LW |
3492 | |
3493 | ENTER; | |
3494 | SAVETMPS; | |
3495 | ||
3496 | push_return(cLOGOP->op_other->op_next); | |
1d76a5c3 | 3497 | PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), SP); |
a0d0e21e | 3498 | PUSHEVAL(cx, 0, 0); |
a0d0e21e | 3499 | |
faef0170 | 3500 | PL_in_eval = EVAL_INEVAL; |
38a03e6e | 3501 | sv_setpv(ERRSV,""); |
1e422769 | 3502 | PUTBACK; |
533c011a | 3503 | return DOCATCH(PL_op->op_next); |
a0d0e21e LW |
3504 | } |
3505 | ||
3506 | PP(pp_leavetry) | |
3507 | { | |
39644a26 | 3508 | dSP; |
a0d0e21e LW |
3509 | register SV **mark; |
3510 | SV **newsp; | |
3511 | PMOP *newpm; | |
8bffa5f8 | 3512 | OP* retop; |
a0d0e21e | 3513 | I32 gimme; |
c09156bb | 3514 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
3515 | I32 optype; |
3516 | ||
3517 | POPBLOCK(cx,newpm); | |
3518 | POPEVAL(cx); | |
8bffa5f8 | 3519 | retop = pop_return(); |
a0d0e21e | 3520 | |
a1f49e72 | 3521 | TAINT_NOT; |
54310121 | 3522 | if (gimme == G_VOID) |
3523 | SP = newsp; | |
3524 | else if (gimme == G_SCALAR) { | |
3525 | MARK = newsp + 1; | |
3526 | if (MARK <= SP) { | |
3527 | if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP)) | |
3528 | *MARK = TOPs; | |
3529 | else | |
3530 | *MARK = sv_mortalcopy(TOPs); | |
3531 | } | |
a0d0e21e | 3532 | else { |
54310121 | 3533 | MEXTEND(mark,0); |
3280af22 | 3534 | *MARK = &PL_sv_undef; |
a0d0e21e LW |
3535 | } |
3536 | SP = MARK; | |
3537 | } | |
3538 | else { | |
a1f49e72 CS |
3539 | /* in case LEAVE wipes old return values */ |
3540 | for (mark = newsp + 1; mark <= SP; mark++) { | |
3541 | if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) { | |
a0d0e21e |