Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* pp_ctl.c |
2 | * | |
1129b882 NC |
3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
4 | * 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 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 | /* | |
4ac71550 TC |
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 | * [Bilbo on p.35 of _The Lord of the Rings_, I/i: "A Long-Expected Party"] | |
a0d0e21e LW |
20 | */ |
21 | ||
166f8a29 DM |
22 | /* This file contains control-oriented pp ("push/pop") functions that |
23 | * execute the opcodes that make up a perl program. A typical pp function | |
24 | * expects to find its arguments on the stack, and usually pushes its | |
25 | * results onto the stack, hence the 'pp' terminology. Each OP structure | |
26 | * contains a pointer to the relevant pp_foo() function. | |
27 | * | |
28 | * Control-oriented means things like pp_enteriter() and pp_next(), which | |
29 | * alter the flow of control of the program. | |
30 | */ | |
31 | ||
32 | ||
a0d0e21e | 33 | #include "EXTERN.h" |
864dbfa3 | 34 | #define PERL_IN_PP_CTL_C |
a0d0e21e LW |
35 | #include "perl.h" |
36 | ||
37 | #ifndef WORD_ALIGN | |
dea28490 | 38 | #define WORD_ALIGN sizeof(U32) |
a0d0e21e LW |
39 | #endif |
40 | ||
54310121 | 41 | #define DOCATCH(o) ((CATCH_GET == TRUE) ? docatch(o) : (o)) |
1e422769 | 42 | |
94fcd414 NC |
43 | #define dopoptosub(plop) dopoptosub_at(cxstack, (plop)) |
44 | ||
a0d0e21e LW |
45 | PP(pp_wantarray) |
46 | { | |
97aff369 | 47 | dVAR; |
39644a26 | 48 | dSP; |
a0d0e21e LW |
49 | I32 cxix; |
50 | EXTEND(SP, 1); | |
51 | ||
52 | cxix = dopoptosub(cxstack_ix); | |
53 | if (cxix < 0) | |
54 | RETPUSHUNDEF; | |
55 | ||
54310121 | 56 | switch (cxstack[cxix].blk_gimme) { |
57 | case G_ARRAY: | |
a0d0e21e | 58 | RETPUSHYES; |
54310121 | 59 | case G_SCALAR: |
a0d0e21e | 60 | RETPUSHNO; |
54310121 | 61 | default: |
62 | RETPUSHUNDEF; | |
63 | } | |
a0d0e21e LW |
64 | } |
65 | ||
2cd61cdb IZ |
66 | PP(pp_regcreset) |
67 | { | |
97aff369 | 68 | dVAR; |
2cd61cdb IZ |
69 | /* XXXX Should store the old value to allow for tie/overload - and |
70 | restore in regcomp, where marked with XXXX. */ | |
3280af22 | 71 | PL_reginterp_cnt = 0; |
0b4182de | 72 | TAINT_NOT; |
2cd61cdb IZ |
73 | return NORMAL; |
74 | } | |
75 | ||
b3eb6a9b GS |
76 | PP(pp_regcomp) |
77 | { | |
97aff369 | 78 | dVAR; |
39644a26 | 79 | dSP; |
a0d0e21e | 80 | register PMOP *pm = (PMOP*)cLOGOP->op_other; |
a0d0e21e | 81 | SV *tmpstr; |
84679df5 | 82 | REGEXP *re = NULL; |
bfed75c6 | 83 | |
4b5a0d1c | 84 | /* prevent recompiling under /o and ithreads. */ |
3db8f154 | 85 | #if defined(USE_ITHREADS) |
131b3ad0 DM |
86 | if (pm->op_pmflags & PMf_KEEP && PM_GETRE(pm)) { |
87 | if (PL_op->op_flags & OPf_STACKED) { | |
88 | dMARK; | |
89 | SP = MARK; | |
90 | } | |
91 | else | |
92 | (void)POPs; | |
93 | RETURN; | |
94 | } | |
513629ba | 95 | #endif |
d4b87e75 BM |
96 | |
97 | #define tryAMAGICregexp(rx) \ | |
98 | STMT_START { \ | |
6f1401dc | 99 | SvGETMAGIC(rx); \ |
d4b87e75 BM |
100 | if (SvROK(rx) && SvAMAGIC(rx)) { \ |
101 | SV *sv = AMG_CALLun(rx, regexp); \ | |
102 | if (sv) { \ | |
103 | if (SvROK(sv)) \ | |
104 | sv = SvRV(sv); \ | |
105 | if (SvTYPE(sv) != SVt_REGEXP) \ | |
106 | Perl_croak(aTHX_ "Overloaded qr did not return a REGEXP"); \ | |
107 | rx = sv; \ | |
108 | } \ | |
109 | } \ | |
110 | } STMT_END | |
111 | ||
112 | ||
131b3ad0 DM |
113 | if (PL_op->op_flags & OPf_STACKED) { |
114 | /* multiple args; concatentate them */ | |
115 | dMARK; dORIGMARK; | |
116 | tmpstr = PAD_SV(ARGTARG); | |
76f68e9b | 117 | sv_setpvs(tmpstr, ""); |
131b3ad0 | 118 | while (++MARK <= SP) { |
d4b87e75 | 119 | SV *msv = *MARK; |
131b3ad0 DM |
120 | if (PL_amagic_generation) { |
121 | SV *sv; | |
d4b87e75 BM |
122 | |
123 | tryAMAGICregexp(msv); | |
124 | ||
125 | if ((SvAMAGIC(tmpstr) || SvAMAGIC(msv)) && | |
126 | (sv = amagic_call(tmpstr, msv, concat_amg, AMGf_assign))) | |
131b3ad0 DM |
127 | { |
128 | sv_setsv(tmpstr, sv); | |
129 | continue; | |
130 | } | |
131 | } | |
d4b87e75 | 132 | sv_catsv(tmpstr, msv); |
131b3ad0 DM |
133 | } |
134 | SvSETMAGIC(tmpstr); | |
135 | SP = ORIGMARK; | |
136 | } | |
d4b87e75 | 137 | else { |
131b3ad0 | 138 | tmpstr = POPs; |
d4b87e75 BM |
139 | tryAMAGICregexp(tmpstr); |
140 | } | |
141 | ||
142 | #undef tryAMAGICregexp | |
513629ba | 143 | |
b3eb6a9b | 144 | if (SvROK(tmpstr)) { |
d8f6592e | 145 | SV * const sv = SvRV(tmpstr); |
5c35adbb | 146 | if (SvTYPE(sv) == SVt_REGEXP) |
d2f13c59 | 147 | re = (REGEXP*) sv; |
c277df42 | 148 | } |
d4b87e75 BM |
149 | else if (SvTYPE(tmpstr) == SVt_REGEXP) |
150 | re = (REGEXP*) tmpstr; | |
151 | ||
5c35adbb | 152 | if (re) { |
69dc4b30 FC |
153 | /* The match's LHS's get-magic might need to access this op's reg- |
154 | exp (as is sometimes the case with $'; see bug 70764). So we | |
155 | must call get-magic now before we replace the regexp. Hopeful- | |
156 | ly this hack can be replaced with the approach described at | |
157 | http://www.nntp.perl.org/group/perl.perl5.porters/2007/03 | |
158 | /msg122415.html some day. */ | |
455d9033 FC |
159 | if(pm->op_type == OP_MATCH) { |
160 | SV *lhs; | |
161 | const bool was_tainted = PL_tainted; | |
162 | if (pm->op_flags & OPf_STACKED) | |
69dc4b30 | 163 | lhs = TOPs; |
455d9033 FC |
164 | else if (pm->op_private & OPpTARGET_MY) |
165 | lhs = PAD_SV(pm->op_targ); | |
166 | else lhs = DEFSV; | |
167 | SvGETMAGIC(lhs); | |
168 | /* Restore the previous value of PL_tainted (which may have been | |
169 | modified by get-magic), to avoid incorrectly setting the | |
170 | RXf_TAINTED flag further down. */ | |
171 | PL_tainted = was_tainted; | |
172 | } | |
69dc4b30 | 173 | |
f0826785 | 174 | re = reg_temp_copy(NULL, re); |
aaa362c4 | 175 | ReREFCNT_dec(PM_GETRE(pm)); |
28d8d7f4 | 176 | PM_SETRE(pm, re); |
c277df42 IZ |
177 | } |
178 | else { | |
e62f0680 | 179 | STRLEN len; |
3ab4a224 | 180 | const char *t = SvOK(tmpstr) ? SvPV_const(tmpstr, len) : ""; |
c737faaf | 181 | re = PM_GETRE(pm); |
14a49a24 | 182 | assert (re != (REGEXP*) &PL_sv_undef); |
c277df42 | 183 | |
20408e3c | 184 | /* Check against the last compiled regexp. */ |
a11c8683 | 185 | if (!re || !RX_PRECOMP(re) || RX_PRELEN(re) != len || |
220fc49f | 186 | memNE(RX_PRECOMP(re), t, len)) |
85aff577 | 187 | { |
07bc277f | 188 | const regexp_engine *eng = re ? RX_ENGINE(re) : NULL; |
c737faaf | 189 | U32 pm_flags = pm->op_pmflags & PMf_COMPILETIME; |
d8f6592e AL |
190 | if (re) { |
191 | ReREFCNT_dec(re); | |
14a49a24 NC |
192 | #ifdef USE_ITHREADS |
193 | PM_SETRE(pm, (REGEXP*) &PL_sv_undef); | |
194 | #else | |
4608196e | 195 | PM_SETRE(pm, NULL); /* crucial if regcomp aborts */ |
14a49a24 | 196 | #endif |
1e2e3d02 YO |
197 | } else if (PL_curcop->cop_hints_hash) { |
198 | SV *ptr = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash, 0, | |
199 | "regcomp", 7, 0, 0); | |
200 | if (ptr && SvIOK(ptr) && SvIV(ptr)) | |
201 | eng = INT2PTR(regexp_engine*,SvIV(ptr)); | |
c277df42 | 202 | } |
664e119d | 203 | |
533c011a | 204 | if (PL_op->op_flags & OPf_SPECIAL) |
3280af22 | 205 | PL_reginterp_cnt = I32_MAX; /* Mark as safe. */ |
a0d0e21e | 206 | |
b9ad30b4 NC |
207 | if (DO_UTF8(tmpstr)) { |
208 | assert (SvUTF8(tmpstr)); | |
209 | } else if (SvUTF8(tmpstr)) { | |
210 | /* Not doing UTF-8, despite what the SV says. Is this only if | |
211 | we're trapped in use 'bytes'? */ | |
212 | /* Make a copy of the octet sequence, but without the flag on, | |
213 | as the compiler now honours the SvUTF8 flag on tmpstr. */ | |
214 | STRLEN len; | |
215 | const char *const p = SvPV(tmpstr, len); | |
216 | tmpstr = newSVpvn_flags(p, len, SVs_TEMP); | |
217 | } | |
c737faaf | 218 | |
3ab4a224 AB |
219 | if (eng) |
220 | PM_SETRE(pm, CALLREGCOMP_ENG(eng, tmpstr, pm_flags)); | |
221 | else | |
222 | PM_SETRE(pm, CALLREGCOMP(tmpstr, pm_flags)); | |
c737faaf | 223 | |
f86aaa29 | 224 | PL_reginterp_cnt = 0; /* XXXX Be extra paranoid - needed |
2cd61cdb | 225 | inside tie/overload accessors. */ |
c277df42 | 226 | } |
4633a7c4 | 227 | } |
c737faaf YO |
228 | |
229 | re = PM_GETRE(pm); | |
a0d0e21e | 230 | |
72311751 | 231 | #ifndef INCOMPLETE_TAINTS |
3280af22 NIS |
232 | if (PL_tainting) { |
233 | if (PL_tainted) | |
07bc277f | 234 | RX_EXTFLAGS(re) |= RXf_TAINTED; |
72311751 | 235 | else |
07bc277f | 236 | RX_EXTFLAGS(re) &= ~RXf_TAINTED; |
72311751 GS |
237 | } |
238 | #endif | |
239 | ||
220fc49f | 240 | if (!RX_PRELEN(PM_GETRE(pm)) && PL_curpm) |
3280af22 | 241 | pm = PL_curpm; |
a0d0e21e | 242 | |
c737faaf YO |
243 | |
244 | #if !defined(USE_ITHREADS) | |
245 | /* can't change the optree at runtime either */ | |
246 | /* PMf_KEEP is handled differently under threads to avoid these problems */ | |
a0d0e21e | 247 | if (pm->op_pmflags & PMf_KEEP) { |
c90c0ff4 | 248 | pm->op_private &= ~OPpRUNTIME; /* no point compiling again */ |
533c011a | 249 | cLOGOP->op_first->op_next = PL_op->op_next; |
a0d0e21e | 250 | } |
c737faaf | 251 | #endif |
a0d0e21e LW |
252 | RETURN; |
253 | } | |
254 | ||
255 | PP(pp_substcont) | |
256 | { | |
97aff369 | 257 | dVAR; |
39644a26 | 258 | dSP; |
c09156bb | 259 | register PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
901017d6 AL |
260 | register PMOP * const pm = (PMOP*) cLOGOP->op_other; |
261 | register SV * const dstr = cx->sb_dstr; | |
a0d0e21e LW |
262 | register char *s = cx->sb_s; |
263 | register char *m = cx->sb_m; | |
264 | char *orig = cx->sb_orig; | |
901017d6 | 265 | register REGEXP * const rx = cx->sb_rx; |
c445ea15 | 266 | SV *nsv = NULL; |
988e6e7e | 267 | REGEXP *old = PM_GETRE(pm); |
f410a211 NC |
268 | |
269 | PERL_ASYNC_CHECK(); | |
270 | ||
988e6e7e | 271 | if(old != rx) { |
bfed75c6 | 272 | if(old) |
988e6e7e | 273 | ReREFCNT_dec(old); |
d6106309 | 274 | PM_SETRE(pm,ReREFCNT_inc(rx)); |
d8f2cf8a AB |
275 | } |
276 | ||
d9f97599 | 277 | rxres_restore(&cx->sb_rxres, rx); |
01b35787 | 278 | RX_MATCH_UTF8_set(rx, DO_UTF8(cx->sb_targ)); |
c90c0ff4 | 279 | |
a0d0e21e | 280 | if (cx->sb_iters++) { |
a3b680e6 | 281 | const I32 saviters = cx->sb_iters; |
a0d0e21e | 282 | if (cx->sb_iters > cx->sb_maxiters) |
cea2e8a9 | 283 | DIE(aTHX_ "Substitution loop"); |
a0d0e21e | 284 | |
447ee134 DM |
285 | SvGETMAGIC(TOPs); /* possibly clear taint on $1 etc: #67962 */ |
286 | ||
48c036b1 GS |
287 | if (!(cx->sb_rxtainted & 2) && SvTAINTED(TOPs)) |
288 | cx->sb_rxtainted |= 2; | |
447ee134 | 289 | sv_catsv_nomg(dstr, POPs); |
2c296965 YO |
290 | /* XXX: adjust for positive offsets of \G for instance s/(.)\G//g with positive pos() */ |
291 | s -= RX_GOFS(rx); | |
a0d0e21e LW |
292 | |
293 | /* Are we done */ | |
2c296965 YO |
294 | if (CxONCE(cx) || s < orig || |
295 | !CALLREGEXEC(rx, s, cx->sb_strend, orig, | |
296 | (s == m) + RX_GOFS(rx), cx->sb_targ, NULL, | |
297 | ((cx->sb_rflags & REXEC_COPY_STR) | |
298 | ? (REXEC_IGNOREPOS|REXEC_NOT_FIRST) | |
299 | : (REXEC_COPY_STR|REXEC_IGNOREPOS|REXEC_NOT_FIRST)))) | |
a0d0e21e | 300 | { |
823a54a3 | 301 | SV * const targ = cx->sb_targ; |
748a9306 | 302 | |
078c425b JH |
303 | assert(cx->sb_strend >= s); |
304 | if(cx->sb_strend > s) { | |
305 | if (DO_UTF8(dstr) && !SvUTF8(targ)) | |
306 | sv_catpvn_utf8_upgrade(dstr, s, cx->sb_strend - s, nsv); | |
307 | else | |
308 | sv_catpvn(dstr, s, cx->sb_strend - s); | |
309 | } | |
48c036b1 | 310 | cx->sb_rxtainted |= RX_MATCH_TAINTED(rx); |
9212bbba | 311 | |
f8c7b90f | 312 | #ifdef PERL_OLD_COPY_ON_WRITE |
ed252734 NC |
313 | if (SvIsCOW(targ)) { |
314 | sv_force_normal_flags(targ, SV_COW_DROP_PV); | |
315 | } else | |
316 | #endif | |
317 | { | |
8bd4d4c5 | 318 | SvPV_free(targ); |
ed252734 | 319 | } |
f880fe2f | 320 | SvPV_set(targ, SvPVX(dstr)); |
748a9306 LW |
321 | SvCUR_set(targ, SvCUR(dstr)); |
322 | SvLEN_set(targ, SvLEN(dstr)); | |
1aa99e6b IH |
323 | if (DO_UTF8(dstr)) |
324 | SvUTF8_on(targ); | |
6136c704 | 325 | SvPV_set(dstr, NULL); |
48c036b1 GS |
326 | |
327 | TAINT_IF(cx->sb_rxtainted & 1); | |
6e449a3a | 328 | mPUSHi(saviters - 1); |
48c036b1 | 329 | |
ffc61ed2 | 330 | (void)SvPOK_only_UTF8(targ); |
48c036b1 | 331 | TAINT_IF(cx->sb_rxtainted); |
a0d0e21e | 332 | SvSETMAGIC(targ); |
9212bbba | 333 | SvTAINT(targ); |
5cd24f17 | 334 | |
4633a7c4 | 335 | LEAVE_SCOPE(cx->sb_oldsave); |
a0d0e21e LW |
336 | POPSUBST(cx); |
337 | RETURNOP(pm->op_next); | |
338 | } | |
8e5e9ebe | 339 | cx->sb_iters = saviters; |
a0d0e21e | 340 | } |
07bc277f | 341 | if (RX_MATCH_COPIED(rx) && RX_SUBBEG(rx) != orig) { |
a0d0e21e LW |
342 | m = s; |
343 | s = orig; | |
07bc277f | 344 | cx->sb_orig = orig = RX_SUBBEG(rx); |
a0d0e21e LW |
345 | s = orig + (m - s); |
346 | cx->sb_strend = s + (cx->sb_strend - m); | |
347 | } | |
07bc277f | 348 | cx->sb_m = m = RX_OFFS(rx)[0].start + orig; |
db79b45b | 349 | if (m > s) { |
bfed75c6 | 350 | if (DO_UTF8(dstr) && !SvUTF8(cx->sb_targ)) |
db79b45b JH |
351 | sv_catpvn_utf8_upgrade(dstr, s, m - s, nsv); |
352 | else | |
353 | sv_catpvn(dstr, s, m-s); | |
354 | } | |
07bc277f | 355 | cx->sb_s = RX_OFFS(rx)[0].end + orig; |
084916e3 | 356 | { /* Update the pos() information. */ |
44f8325f | 357 | SV * const sv = cx->sb_targ; |
084916e3 | 358 | MAGIC *mg; |
7a7f3e45 | 359 | SvUPGRADE(sv, SVt_PVMG); |
14befaf4 | 360 | if (!(mg = mg_find(sv, PERL_MAGIC_regex_global))) { |
d83f0a82 | 361 | #ifdef PERL_OLD_COPY_ON_WRITE |
51a9ea20 | 362 | if (SvIsCOW(sv)) |
d83f0a82 NC |
363 | sv_force_normal_flags(sv, 0); |
364 | #endif | |
365 | mg = sv_magicext(sv, NULL, PERL_MAGIC_regex_global, &PL_vtbl_mglob, | |
366 | NULL, 0); | |
084916e3 | 367 | } |
ce474962 | 368 | mg->mg_len = m - orig; |
084916e3 | 369 | } |
988e6e7e | 370 | if (old != rx) |
d6106309 | 371 | (void)ReREFCNT_inc(rx); |
d9f97599 GS |
372 | cx->sb_rxtainted |= RX_MATCH_TAINTED(rx); |
373 | rxres_save(&cx->sb_rxres, rx); | |
29f2e912 | 374 | RETURNOP(pm->op_pmstashstartu.op_pmreplstart); |
a0d0e21e LW |
375 | } |
376 | ||
c90c0ff4 | 377 | void |
864dbfa3 | 378 | Perl_rxres_save(pTHX_ void **rsp, REGEXP *rx) |
c90c0ff4 | 379 | { |
380 | UV *p = (UV*)*rsp; | |
381 | U32 i; | |
7918f24d NC |
382 | |
383 | PERL_ARGS_ASSERT_RXRES_SAVE; | |
96a5add6 | 384 | PERL_UNUSED_CONTEXT; |
c90c0ff4 | 385 | |
07bc277f | 386 | if (!p || p[1] < RX_NPARENS(rx)) { |
f8c7b90f | 387 | #ifdef PERL_OLD_COPY_ON_WRITE |
07bc277f | 388 | i = 7 + RX_NPARENS(rx) * 2; |
ed252734 | 389 | #else |
07bc277f | 390 | i = 6 + RX_NPARENS(rx) * 2; |
ed252734 | 391 | #endif |
c90c0ff4 | 392 | if (!p) |
a02a5408 | 393 | Newx(p, i, UV); |
c90c0ff4 | 394 | else |
395 | Renew(p, i, UV); | |
396 | *rsp = (void*)p; | |
397 | } | |
398 | ||
07bc277f | 399 | *p++ = PTR2UV(RX_MATCH_COPIED(rx) ? RX_SUBBEG(rx) : NULL); |
cf93c79d | 400 | RX_MATCH_COPIED_off(rx); |
c90c0ff4 | 401 | |
f8c7b90f | 402 | #ifdef PERL_OLD_COPY_ON_WRITE |
bdd9a1b1 NC |
403 | *p++ = PTR2UV(RX_SAVED_COPY(rx)); |
404 | RX_SAVED_COPY(rx) = NULL; | |
ed252734 NC |
405 | #endif |
406 | ||
07bc277f | 407 | *p++ = RX_NPARENS(rx); |
c90c0ff4 | 408 | |
07bc277f NC |
409 | *p++ = PTR2UV(RX_SUBBEG(rx)); |
410 | *p++ = (UV)RX_SUBLEN(rx); | |
411 | for (i = 0; i <= RX_NPARENS(rx); ++i) { | |
412 | *p++ = (UV)RX_OFFS(rx)[i].start; | |
413 | *p++ = (UV)RX_OFFS(rx)[i].end; | |
c90c0ff4 | 414 | } |
415 | } | |
416 | ||
9c105995 NC |
417 | static void |
418 | S_rxres_restore(pTHX_ void **rsp, REGEXP *rx) | |
c90c0ff4 | 419 | { |
420 | UV *p = (UV*)*rsp; | |
421 | U32 i; | |
7918f24d NC |
422 | |
423 | PERL_ARGS_ASSERT_RXRES_RESTORE; | |
96a5add6 | 424 | PERL_UNUSED_CONTEXT; |
c90c0ff4 | 425 | |
ed252734 | 426 | RX_MATCH_COPY_FREE(rx); |
cf93c79d | 427 | RX_MATCH_COPIED_set(rx, *p); |
c90c0ff4 | 428 | *p++ = 0; |
429 | ||
f8c7b90f | 430 | #ifdef PERL_OLD_COPY_ON_WRITE |
bdd9a1b1 NC |
431 | if (RX_SAVED_COPY(rx)) |
432 | SvREFCNT_dec (RX_SAVED_COPY(rx)); | |
433 | RX_SAVED_COPY(rx) = INT2PTR(SV*,*p); | |
ed252734 NC |
434 | *p++ = 0; |
435 | #endif | |
436 | ||
07bc277f | 437 | RX_NPARENS(rx) = *p++; |
c90c0ff4 | 438 | |
07bc277f NC |
439 | RX_SUBBEG(rx) = INT2PTR(char*,*p++); |
440 | RX_SUBLEN(rx) = (I32)(*p++); | |
441 | for (i = 0; i <= RX_NPARENS(rx); ++i) { | |
442 | RX_OFFS(rx)[i].start = (I32)(*p++); | |
443 | RX_OFFS(rx)[i].end = (I32)(*p++); | |
c90c0ff4 | 444 | } |
445 | } | |
446 | ||
9c105995 NC |
447 | static void |
448 | S_rxres_free(pTHX_ void **rsp) | |
c90c0ff4 | 449 | { |
44f8325f | 450 | UV * const p = (UV*)*rsp; |
7918f24d NC |
451 | |
452 | PERL_ARGS_ASSERT_RXRES_FREE; | |
96a5add6 | 453 | PERL_UNUSED_CONTEXT; |
c90c0ff4 | 454 | |
455 | if (p) { | |
94010e71 NC |
456 | #ifdef PERL_POISON |
457 | void *tmp = INT2PTR(char*,*p); | |
458 | Safefree(tmp); | |
459 | if (*p) | |
7e337ee0 | 460 | PoisonFree(*p, 1, sizeof(*p)); |
94010e71 | 461 | #else |
56431972 | 462 | Safefree(INT2PTR(char*,*p)); |
94010e71 | 463 | #endif |
f8c7b90f | 464 | #ifdef PERL_OLD_COPY_ON_WRITE |
ed252734 NC |
465 | if (p[1]) { |
466 | SvREFCNT_dec (INT2PTR(SV*,p[1])); | |
467 | } | |
468 | #endif | |
c90c0ff4 | 469 | Safefree(p); |
4608196e | 470 | *rsp = NULL; |
c90c0ff4 | 471 | } |
472 | } | |
473 | ||
a0d0e21e LW |
474 | PP(pp_formline) |
475 | { | |
97aff369 | 476 | dVAR; dSP; dMARK; dORIGMARK; |
823a54a3 | 477 | register SV * const tmpForm = *++MARK; |
dea28490 | 478 | register U32 *fpc; |
a0d0e21e | 479 | register char *t; |
245d4a47 | 480 | const char *f; |
a0d0e21e | 481 | register I32 arg; |
c445ea15 AL |
482 | register SV *sv = NULL; |
483 | const char *item = NULL; | |
9c5ffd7c JH |
484 | I32 itemsize = 0; |
485 | I32 fieldsize = 0; | |
a0d0e21e | 486 | I32 lines = 0; |
c445ea15 AL |
487 | bool chopspace = (strchr(PL_chopset, ' ') != NULL); |
488 | const char *chophere = NULL; | |
489 | char *linemark = NULL; | |
65202027 | 490 | NV value; |
9c5ffd7c | 491 | bool gotsome = FALSE; |
a0d0e21e | 492 | STRLEN len; |
823a54a3 | 493 | const STRLEN fudge = SvPOK(tmpForm) |
24c89738 | 494 | ? (SvCUR(tmpForm) * (IN_BYTES ? 1 : 3) + 1) : 0; |
1bd51a4c IH |
495 | bool item_is_utf8 = FALSE; |
496 | bool targ_is_utf8 = FALSE; | |
c445ea15 | 497 | SV * nsv = NULL; |
cbbf8932 | 498 | OP * parseres = NULL; |
bfed75c6 | 499 | const char *fmt; |
a0d0e21e | 500 | |
76e3520e | 501 | if (!SvMAGICAL(tmpForm) || !SvCOMPILED(tmpForm)) { |
445b3f51 GS |
502 | if (SvREADONLY(tmpForm)) { |
503 | SvREADONLY_off(tmpForm); | |
a1b95068 | 504 | parseres = doparseform(tmpForm); |
445b3f51 GS |
505 | SvREADONLY_on(tmpForm); |
506 | } | |
507 | else | |
a1b95068 WL |
508 | parseres = doparseform(tmpForm); |
509 | if (parseres) | |
510 | return parseres; | |
a0d0e21e | 511 | } |
3280af22 | 512 | SvPV_force(PL_formtarget, len); |
1bd51a4c IH |
513 | if (DO_UTF8(PL_formtarget)) |
514 | targ_is_utf8 = TRUE; | |
a0ed51b3 | 515 | t = SvGROW(PL_formtarget, len + fudge + 1); /* XXX SvCUR bad */ |
a0d0e21e | 516 | t += len; |
245d4a47 | 517 | f = SvPV_const(tmpForm, len); |
a0d0e21e | 518 | /* need to jump to the next word */ |
245d4a47 | 519 | fpc = (U32*)(f + len + WORD_ALIGN - SvCUR(tmpForm) % WORD_ALIGN); |
a0d0e21e LW |
520 | |
521 | for (;;) { | |
522 | DEBUG_f( { | |
bfed75c6 | 523 | const char *name = "???"; |
a0d0e21e LW |
524 | arg = -1; |
525 | switch (*fpc) { | |
526 | case FF_LITERAL: arg = fpc[1]; name = "LITERAL"; break; | |
527 | case FF_BLANK: arg = fpc[1]; name = "BLANK"; break; | |
528 | case FF_SKIP: arg = fpc[1]; name = "SKIP"; break; | |
529 | case FF_FETCH: arg = fpc[1]; name = "FETCH"; break; | |
530 | case FF_DECIMAL: arg = fpc[1]; name = "DECIMAL"; break; | |
531 | ||
532 | case FF_CHECKNL: name = "CHECKNL"; break; | |
533 | case FF_CHECKCHOP: name = "CHECKCHOP"; break; | |
534 | case FF_SPACE: name = "SPACE"; break; | |
535 | case FF_HALFSPACE: name = "HALFSPACE"; break; | |
536 | case FF_ITEM: name = "ITEM"; break; | |
537 | case FF_CHOP: name = "CHOP"; break; | |
538 | case FF_LINEGLOB: name = "LINEGLOB"; break; | |
539 | case FF_NEWLINE: name = "NEWLINE"; break; | |
540 | case FF_MORE: name = "MORE"; break; | |
541 | case FF_LINEMARK: name = "LINEMARK"; break; | |
542 | case FF_END: name = "END"; break; | |
bfed75c6 | 543 | case FF_0DECIMAL: name = "0DECIMAL"; break; |
a1b95068 | 544 | case FF_LINESNGL: name = "LINESNGL"; break; |
a0d0e21e LW |
545 | } |
546 | if (arg >= 0) | |
bf49b057 | 547 | PerlIO_printf(Perl_debug_log, "%-16s%ld\n", name, (long) arg); |
a0d0e21e | 548 | else |
bf49b057 | 549 | PerlIO_printf(Perl_debug_log, "%-16s\n", name); |
5f80b19c | 550 | } ); |
a0d0e21e LW |
551 | switch (*fpc++) { |
552 | case FF_LINEMARK: | |
553 | linemark = t; | |
a0d0e21e LW |
554 | lines++; |
555 | gotsome = FALSE; | |
556 | break; | |
557 | ||
558 | case FF_LITERAL: | |
559 | arg = *fpc++; | |
1bd51a4c | 560 | if (targ_is_utf8 && !SvUTF8(tmpForm)) { |
b15aece3 | 561 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); |
78da4d13 JH |
562 | *t = '\0'; |
563 | sv_catpvn_utf8_upgrade(PL_formtarget, f, arg, nsv); | |
564 | t = SvEND(PL_formtarget); | |
f3f2f1a3 | 565 | f += arg; |
1bd51a4c IH |
566 | break; |
567 | } | |
568 | if (!targ_is_utf8 && DO_UTF8(tmpForm)) { | |
b15aece3 | 569 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); |
1bd51a4c | 570 | *t = '\0'; |
7bf79863 | 571 | sv_utf8_upgrade_flags_grow(PL_formtarget, SV_GMAGIC, fudge + 1); |
1bd51a4c IH |
572 | t = SvEND(PL_formtarget); |
573 | targ_is_utf8 = TRUE; | |
574 | } | |
a0d0e21e LW |
575 | while (arg--) |
576 | *t++ = *f++; | |
577 | break; | |
578 | ||
579 | case FF_SKIP: | |
580 | f += *fpc++; | |
581 | break; | |
582 | ||
583 | case FF_FETCH: | |
584 | arg = *fpc++; | |
585 | f += arg; | |
586 | fieldsize = arg; | |
587 | ||
588 | if (MARK < SP) | |
589 | sv = *++MARK; | |
590 | else { | |
3280af22 | 591 | sv = &PL_sv_no; |
a2a5de95 | 592 | Perl_ck_warner(aTHX_ packWARN(WARN_SYNTAX), "Not enough format arguments"); |
a0d0e21e LW |
593 | } |
594 | break; | |
595 | ||
596 | case FF_CHECKNL: | |
5a34cab7 NC |
597 | { |
598 | const char *send; | |
599 | const char *s = item = SvPV_const(sv, len); | |
600 | itemsize = len; | |
601 | if (DO_UTF8(sv)) { | |
602 | itemsize = sv_len_utf8(sv); | |
603 | if (itemsize != (I32)len) { | |
604 | I32 itembytes; | |
605 | if (itemsize > fieldsize) { | |
606 | itemsize = fieldsize; | |
607 | itembytes = itemsize; | |
608 | sv_pos_u2b(sv, &itembytes, 0); | |
609 | } | |
610 | else | |
611 | itembytes = len; | |
612 | send = chophere = s + itembytes; | |
613 | while (s < send) { | |
614 | if (*s & ~31) | |
615 | gotsome = TRUE; | |
616 | else if (*s == '\n') | |
617 | break; | |
618 | s++; | |
619 | } | |
620 | item_is_utf8 = TRUE; | |
621 | itemsize = s - item; | |
622 | sv_pos_b2u(sv, &itemsize); | |
623 | break; | |
a0ed51b3 | 624 | } |
a0ed51b3 | 625 | } |
5a34cab7 NC |
626 | item_is_utf8 = FALSE; |
627 | if (itemsize > fieldsize) | |
628 | itemsize = fieldsize; | |
629 | send = chophere = s + itemsize; | |
630 | while (s < send) { | |
631 | if (*s & ~31) | |
632 | gotsome = TRUE; | |
633 | else if (*s == '\n') | |
634 | break; | |
635 | s++; | |
636 | } | |
637 | itemsize = s - item; | |
638 | break; | |
a0ed51b3 | 639 | } |
a0d0e21e LW |
640 | |
641 | case FF_CHECKCHOP: | |
5a34cab7 NC |
642 | { |
643 | const char *s = item = SvPV_const(sv, len); | |
644 | itemsize = len; | |
645 | if (DO_UTF8(sv)) { | |
646 | itemsize = sv_len_utf8(sv); | |
647 | if (itemsize != (I32)len) { | |
648 | I32 itembytes; | |
649 | if (itemsize <= fieldsize) { | |
650 | const char *send = chophere = s + itemsize; | |
651 | while (s < send) { | |
652 | if (*s == '\r') { | |
653 | itemsize = s - item; | |
a0ed51b3 | 654 | chophere = s; |
a0ed51b3 | 655 | break; |
5a34cab7 NC |
656 | } |
657 | if (*s++ & ~31) | |
a0ed51b3 | 658 | gotsome = TRUE; |
a0ed51b3 | 659 | } |
a0ed51b3 | 660 | } |
5a34cab7 NC |
661 | else { |
662 | const char *send; | |
663 | itemsize = fieldsize; | |
664 | itembytes = itemsize; | |
665 | sv_pos_u2b(sv, &itembytes, 0); | |
666 | send = chophere = s + itembytes; | |
667 | while (s < send || (s == send && isSPACE(*s))) { | |
668 | if (isSPACE(*s)) { | |
669 | if (chopspace) | |
670 | chophere = s; | |
671 | if (*s == '\r') | |
672 | break; | |
673 | } | |
674 | else { | |
675 | if (*s & ~31) | |
676 | gotsome = TRUE; | |
677 | if (strchr(PL_chopset, *s)) | |
678 | chophere = s + 1; | |
679 | } | |
680 | s++; | |
681 | } | |
682 | itemsize = chophere - item; | |
683 | sv_pos_b2u(sv, &itemsize); | |
684 | } | |
685 | item_is_utf8 = TRUE; | |
a0d0e21e LW |
686 | break; |
687 | } | |
a0d0e21e | 688 | } |
5a34cab7 NC |
689 | item_is_utf8 = FALSE; |
690 | if (itemsize <= fieldsize) { | |
691 | const char *const send = chophere = s + itemsize; | |
692 | while (s < send) { | |
693 | if (*s == '\r') { | |
694 | itemsize = s - item; | |
a0d0e21e | 695 | chophere = s; |
a0d0e21e | 696 | break; |
5a34cab7 NC |
697 | } |
698 | if (*s++ & ~31) | |
a0d0e21e | 699 | gotsome = TRUE; |
a0d0e21e | 700 | } |
a0d0e21e | 701 | } |
5a34cab7 NC |
702 | else { |
703 | const char *send; | |
704 | itemsize = fieldsize; | |
705 | send = chophere = s + itemsize; | |
706 | while (s < send || (s == send && isSPACE(*s))) { | |
707 | if (isSPACE(*s)) { | |
708 | if (chopspace) | |
709 | chophere = s; | |
710 | if (*s == '\r') | |
711 | break; | |
712 | } | |
713 | else { | |
714 | if (*s & ~31) | |
715 | gotsome = TRUE; | |
716 | if (strchr(PL_chopset, *s)) | |
717 | chophere = s + 1; | |
718 | } | |
719 | s++; | |
720 | } | |
721 | itemsize = chophere - item; | |
722 | } | |
723 | break; | |
a0d0e21e | 724 | } |
a0d0e21e LW |
725 | |
726 | case FF_SPACE: | |
727 | arg = fieldsize - itemsize; | |
728 | if (arg) { | |
729 | fieldsize -= arg; | |
730 | while (arg-- > 0) | |
731 | *t++ = ' '; | |
732 | } | |
733 | break; | |
734 | ||
735 | case FF_HALFSPACE: | |
736 | arg = fieldsize - itemsize; | |
737 | if (arg) { | |
738 | arg /= 2; | |
739 | fieldsize -= arg; | |
740 | while (arg-- > 0) | |
741 | *t++ = ' '; | |
742 | } | |
743 | break; | |
744 | ||
745 | case FF_ITEM: | |
5a34cab7 NC |
746 | { |
747 | const char *s = item; | |
748 | arg = itemsize; | |
749 | if (item_is_utf8) { | |
750 | if (!targ_is_utf8) { | |
751 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); | |
752 | *t = '\0'; | |
7bf79863 KW |
753 | sv_utf8_upgrade_flags_grow(PL_formtarget, SV_GMAGIC, |
754 | fudge + 1); | |
5a34cab7 NC |
755 | t = SvEND(PL_formtarget); |
756 | targ_is_utf8 = TRUE; | |
a0ed51b3 | 757 | } |
5a34cab7 NC |
758 | while (arg--) { |
759 | if (UTF8_IS_CONTINUED(*s)) { | |
760 | STRLEN skip = UTF8SKIP(s); | |
761 | switch (skip) { | |
762 | default: | |
763 | Move(s,t,skip,char); | |
764 | s += skip; | |
765 | t += skip; | |
766 | break; | |
767 | case 7: *t++ = *s++; | |
768 | case 6: *t++ = *s++; | |
769 | case 5: *t++ = *s++; | |
770 | case 4: *t++ = *s++; | |
771 | case 3: *t++ = *s++; | |
772 | case 2: *t++ = *s++; | |
773 | case 1: *t++ = *s++; | |
774 | } | |
775 | } | |
776 | else { | |
777 | if ( !((*t++ = *s++) & ~31) ) | |
778 | t[-1] = ' '; | |
779 | } | |
a0ed51b3 | 780 | } |
5a34cab7 | 781 | break; |
a0ed51b3 | 782 | } |
5a34cab7 NC |
783 | if (targ_is_utf8 && !item_is_utf8) { |
784 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); | |
785 | *t = '\0'; | |
786 | sv_catpvn_utf8_upgrade(PL_formtarget, s, arg, nsv); | |
787 | for (; t < SvEND(PL_formtarget); t++) { | |
78da4d13 | 788 | #ifdef EBCDIC |
901017d6 | 789 | const int ch = *t; |
5a34cab7 | 790 | if (iscntrl(ch)) |
78da4d13 | 791 | #else |
5a34cab7 | 792 | if (!(*t & ~31)) |
78da4d13 | 793 | #endif |
5a34cab7 NC |
794 | *t = ' '; |
795 | } | |
796 | break; | |
78da4d13 | 797 | } |
5a34cab7 | 798 | while (arg--) { |
9d116dd7 | 799 | #ifdef EBCDIC |
901017d6 | 800 | const int ch = *t++ = *s++; |
5a34cab7 | 801 | if (iscntrl(ch)) |
a0d0e21e | 802 | #else |
5a34cab7 | 803 | if ( !((*t++ = *s++) & ~31) ) |
a0d0e21e | 804 | #endif |
5a34cab7 NC |
805 | t[-1] = ' '; |
806 | } | |
807 | break; | |
a0d0e21e | 808 | } |
a0d0e21e LW |
809 | |
810 | case FF_CHOP: | |
5a34cab7 NC |
811 | { |
812 | const char *s = chophere; | |
813 | if (chopspace) { | |
af68e756 | 814 | while (isSPACE(*s)) |
5a34cab7 NC |
815 | s++; |
816 | } | |
817 | sv_chop(sv,s); | |
818 | SvSETMAGIC(sv); | |
819 | break; | |
a0d0e21e | 820 | } |
a0d0e21e | 821 | |
a1b95068 WL |
822 | case FF_LINESNGL: |
823 | chopspace = 0; | |
a0d0e21e | 824 | case FF_LINEGLOB: |
5a34cab7 | 825 | { |
e32383e2 | 826 | const bool oneline = fpc[-1] == FF_LINESNGL; |
5a34cab7 | 827 | const char *s = item = SvPV_const(sv, len); |
f3f2f1a3 | 828 | item_is_utf8 = DO_UTF8(sv); |
5a34cab7 | 829 | itemsize = len; |
5a34cab7 | 830 | if (itemsize) { |
e8e72d41 | 831 | STRLEN to_copy = itemsize; |
5a34cab7 | 832 | const char *const send = s + len; |
35c6393c | 833 | const U8 *source = (const U8 *) s; |
e8e72d41 NC |
834 | U8 *tmp = NULL; |
835 | ||
5a34cab7 NC |
836 | gotsome = TRUE; |
837 | chophere = s + itemsize; | |
838 | while (s < send) { | |
839 | if (*s++ == '\n') { | |
840 | if (oneline) { | |
e8e72d41 | 841 | to_copy = s - SvPVX_const(sv) - 1; |
5a34cab7 NC |
842 | chophere = s; |
843 | break; | |
844 | } else { | |
845 | if (s == send) { | |
846 | itemsize--; | |
e8e72d41 | 847 | to_copy--; |
5a34cab7 NC |
848 | } else |
849 | lines++; | |
850 | } | |
1bd51a4c | 851 | } |
a0d0e21e | 852 | } |
e8e72d41 | 853 | if (targ_is_utf8 && !item_is_utf8) { |
35c6393c | 854 | source = tmp = bytes_to_utf8(source, &to_copy); |
e8e72d41 NC |
855 | SvCUR_set(PL_formtarget, |
856 | t - SvPVX_const(PL_formtarget)); | |
857 | } else { | |
858 | if (item_is_utf8 && !targ_is_utf8) { | |
859 | /* Upgrade targ to UTF8, and then we reduce it to | |
860 | a problem we have a simple solution for. */ | |
861 | SvCUR_set(PL_formtarget, | |
862 | t - SvPVX_const(PL_formtarget)); | |
863 | targ_is_utf8 = TRUE; | |
864 | /* Don't need get magic. */ | |
7bf79863 | 865 | sv_utf8_upgrade_nomg(PL_formtarget); |
e8e72d41 NC |
866 | } else { |
867 | SvCUR_set(PL_formtarget, | |
868 | t - SvPVX_const(PL_formtarget)); | |
869 | } | |
e8e72d41 NC |
870 | |
871 | /* Easy. They agree. */ | |
872 | assert (item_is_utf8 == targ_is_utf8); | |
873 | } | |
874 | SvGROW(PL_formtarget, | |
875 | SvCUR(PL_formtarget) + to_copy + fudge + 1); | |
5a34cab7 | 876 | t = SvPVX(PL_formtarget) + SvCUR(PL_formtarget); |
e8e72d41 NC |
877 | |
878 | Copy(source, t, to_copy, char); | |
879 | t += to_copy; | |
880 | SvCUR_set(PL_formtarget, SvCUR(PL_formtarget) + to_copy); | |
f3f2f1a3 | 881 | if (item_is_utf8) { |
e8e72d41 NC |
882 | if (SvGMAGICAL(sv)) { |
883 | /* Mustn't call sv_pos_b2u() as it does a second | |
884 | mg_get(). Is this a bug? Do we need a _flags() | |
885 | variant? */ | |
886 | itemsize = utf8_length(source, source + itemsize); | |
887 | } else { | |
888 | sv_pos_b2u(sv, &itemsize); | |
889 | } | |
890 | assert(!tmp); | |
891 | } else if (tmp) { | |
892 | Safefree(tmp); | |
f3f2f1a3 | 893 | } |
a0d0e21e | 894 | } |
5a34cab7 | 895 | break; |
a0d0e21e | 896 | } |
a0d0e21e | 897 | |
a1b95068 WL |
898 | case FF_0DECIMAL: |
899 | arg = *fpc++; | |
900 | #if defined(USE_LONG_DOUBLE) | |
10edeb5d JH |
901 | fmt = (const char *) |
902 | ((arg & 256) ? | |
903 | "%#0*.*" PERL_PRIfldbl : "%0*.*" PERL_PRIfldbl); | |
a1b95068 | 904 | #else |
10edeb5d JH |
905 | fmt = (const char *) |
906 | ((arg & 256) ? | |
907 | "%#0*.*f" : "%0*.*f"); | |
a1b95068 WL |
908 | #endif |
909 | goto ff_dec; | |
a0d0e21e | 910 | case FF_DECIMAL: |
a0d0e21e | 911 | arg = *fpc++; |
65202027 | 912 | #if defined(USE_LONG_DOUBLE) |
10edeb5d JH |
913 | fmt = (const char *) |
914 | ((arg & 256) ? "%#*.*" PERL_PRIfldbl : "%*.*" PERL_PRIfldbl); | |
65202027 | 915 | #else |
10edeb5d JH |
916 | fmt = (const char *) |
917 | ((arg & 256) ? "%#*.*f" : "%*.*f"); | |
65202027 | 918 | #endif |
a1b95068 | 919 | ff_dec: |
784707d5 JP |
920 | /* If the field is marked with ^ and the value is undefined, |
921 | blank it out. */ | |
784707d5 JP |
922 | if ((arg & 512) && !SvOK(sv)) { |
923 | arg = fieldsize; | |
924 | while (arg--) | |
925 | *t++ = ' '; | |
926 | break; | |
927 | } | |
928 | gotsome = TRUE; | |
929 | value = SvNV(sv); | |
a1b95068 | 930 | /* overflow evidence */ |
bfed75c6 | 931 | if (num_overflow(value, fieldsize, arg)) { |
a1b95068 WL |
932 | arg = fieldsize; |
933 | while (arg--) | |
934 | *t++ = '#'; | |
935 | break; | |
936 | } | |
784707d5 JP |
937 | /* Formats aren't yet marked for locales, so assume "yes". */ |
938 | { | |
939 | STORE_NUMERIC_STANDARD_SET_LOCAL(); | |
d9fad198 | 940 | my_snprintf(t, SvLEN(PL_formtarget) - (t - SvPVX(PL_formtarget)), fmt, (int) fieldsize, (int) arg & 255, value); |
784707d5 JP |
941 | RESTORE_NUMERIC_STANDARD(); |
942 | } | |
943 | t += fieldsize; | |
944 | break; | |
a1b95068 | 945 | |
a0d0e21e LW |
946 | case FF_NEWLINE: |
947 | f++; | |
948 | while (t-- > linemark && *t == ' ') ; | |
949 | t++; | |
950 | *t++ = '\n'; | |
951 | break; | |
952 | ||
953 | case FF_BLANK: | |
954 | arg = *fpc++; | |
955 | if (gotsome) { | |
956 | if (arg) { /* repeat until fields exhausted? */ | |
957 | *t = '\0'; | |
b15aece3 | 958 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); |
3280af22 | 959 | lines += FmLINES(PL_formtarget); |
1bd51a4c IH |
960 | if (targ_is_utf8) |
961 | SvUTF8_on(PL_formtarget); | |
3280af22 | 962 | FmLINES(PL_formtarget) = lines; |
a0d0e21e LW |
963 | SP = ORIGMARK; |
964 | RETURNOP(cLISTOP->op_first); | |
965 | } | |
966 | } | |
967 | else { | |
968 | t = linemark; | |
969 | lines--; | |
970 | } | |
971 | break; | |
972 | ||
973 | case FF_MORE: | |
5a34cab7 NC |
974 | { |
975 | const char *s = chophere; | |
976 | const char *send = item + len; | |
977 | if (chopspace) { | |
af68e756 | 978 | while (isSPACE(*s) && (s < send)) |
5a34cab7 | 979 | s++; |
a0d0e21e | 980 | } |
5a34cab7 NC |
981 | if (s < send) { |
982 | char *s1; | |
983 | arg = fieldsize - itemsize; | |
984 | if (arg) { | |
985 | fieldsize -= arg; | |
986 | while (arg-- > 0) | |
987 | *t++ = ' '; | |
988 | } | |
989 | s1 = t - 3; | |
990 | if (strnEQ(s1," ",3)) { | |
991 | while (s1 > SvPVX_const(PL_formtarget) && isSPACE(s1[-1])) | |
992 | s1--; | |
993 | } | |
994 | *s1++ = '.'; | |
995 | *s1++ = '.'; | |
996 | *s1++ = '.'; | |
a0d0e21e | 997 | } |
5a34cab7 | 998 | break; |
a0d0e21e | 999 | } |
a0d0e21e LW |
1000 | case FF_END: |
1001 | *t = '\0'; | |
b15aece3 | 1002 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); |
1bd51a4c IH |
1003 | if (targ_is_utf8) |
1004 | SvUTF8_on(PL_formtarget); | |
3280af22 | 1005 | FmLINES(PL_formtarget) += lines; |
a0d0e21e LW |
1006 | SP = ORIGMARK; |
1007 | RETPUSHYES; | |
1008 | } | |
1009 | } | |
1010 | } | |
1011 | ||
1012 | PP(pp_grepstart) | |
1013 | { | |
27da23d5 | 1014 | dVAR; dSP; |
a0d0e21e LW |
1015 | SV *src; |
1016 | ||
3280af22 | 1017 | if (PL_stack_base + *PL_markstack_ptr == SP) { |
a0d0e21e | 1018 | (void)POPMARK; |
54310121 | 1019 | if (GIMME_V == G_SCALAR) |
6e449a3a | 1020 | mXPUSHi(0); |
533c011a | 1021 | RETURNOP(PL_op->op_next->op_next); |
a0d0e21e | 1022 | } |
3280af22 | 1023 | PL_stack_sp = PL_stack_base + *PL_markstack_ptr + 1; |
cea2e8a9 GS |
1024 | pp_pushmark(); /* push dst */ |
1025 | pp_pushmark(); /* push src */ | |
d343c3ef | 1026 | ENTER_with_name("grep"); /* enter outer scope */ |
a0d0e21e LW |
1027 | |
1028 | SAVETMPS; | |
59f00321 RGS |
1029 | if (PL_op->op_private & OPpGREP_LEX) |
1030 | SAVESPTR(PAD_SVl(PL_op->op_targ)); | |
1031 | else | |
1032 | SAVE_DEFSV; | |
d343c3ef | 1033 | ENTER_with_name("grep_item"); /* enter inner scope */ |
7766f137 | 1034 | SAVEVPTR(PL_curpm); |
a0d0e21e | 1035 | |
3280af22 | 1036 | src = PL_stack_base[*PL_markstack_ptr]; |
a0d0e21e | 1037 | SvTEMP_off(src); |
59f00321 RGS |
1038 | if (PL_op->op_private & OPpGREP_LEX) |
1039 | PAD_SVl(PL_op->op_targ) = src; | |
1040 | else | |
414bf5ae | 1041 | DEFSV_set(src); |
a0d0e21e LW |
1042 | |
1043 | PUTBACK; | |
533c011a | 1044 | if (PL_op->op_type == OP_MAPSTART) |
cea2e8a9 | 1045 | pp_pushmark(); /* push top */ |
533c011a | 1046 | return ((LOGOP*)PL_op->op_next)->op_other; |
a0d0e21e LW |
1047 | } |
1048 | ||
a0d0e21e LW |
1049 | PP(pp_mapwhile) |
1050 | { | |
27da23d5 | 1051 | dVAR; dSP; |
f54cb97a | 1052 | const I32 gimme = GIMME_V; |
544f3153 | 1053 | I32 items = (SP - PL_stack_base) - *PL_markstack_ptr; /* how many new items */ |
a0d0e21e LW |
1054 | I32 count; |
1055 | I32 shift; | |
1056 | SV** src; | |
ac27b0f5 | 1057 | SV** dst; |
a0d0e21e | 1058 | |
544f3153 | 1059 | /* first, move source pointer to the next item in the source list */ |
3280af22 | 1060 | ++PL_markstack_ptr[-1]; |
544f3153 GS |
1061 | |
1062 | /* if there are new items, push them into the destination list */ | |
4c90a460 | 1063 | if (items && gimme != G_VOID) { |
544f3153 GS |
1064 | /* might need to make room back there first */ |
1065 | if (items > PL_markstack_ptr[-1] - PL_markstack_ptr[-2]) { | |
1066 | /* XXX this implementation is very pessimal because the stack | |
1067 | * is repeatedly extended for every set of items. Is possible | |
1068 | * to do this without any stack extension or copying at all | |
1069 | * by maintaining a separate list over which the map iterates | |
18ef8bea | 1070 | * (like foreach does). --gsar */ |
544f3153 GS |
1071 | |
1072 | /* everything in the stack after the destination list moves | |
1073 | * towards the end the stack by the amount of room needed */ | |
1074 | shift = items - (PL_markstack_ptr[-1] - PL_markstack_ptr[-2]); | |
1075 | ||
1076 | /* items to shift up (accounting for the moved source pointer) */ | |
1077 | count = (SP - PL_stack_base) - (PL_markstack_ptr[-1] - 1); | |
18ef8bea BT |
1078 | |
1079 | /* This optimization is by Ben Tilly and it does | |
1080 | * things differently from what Sarathy (gsar) | |
1081 | * is describing. The downside of this optimization is | |
1082 | * that leaves "holes" (uninitialized and hopefully unused areas) | |
1083 | * to the Perl stack, but on the other hand this | |
1084 | * shouldn't be a problem. If Sarathy's idea gets | |
1085 | * implemented, this optimization should become | |
1086 | * irrelevant. --jhi */ | |
1087 | if (shift < count) | |
1088 | shift = count; /* Avoid shifting too often --Ben Tilly */ | |
bfed75c6 | 1089 | |
924508f0 GS |
1090 | EXTEND(SP,shift); |
1091 | src = SP; | |
1092 | dst = (SP += shift); | |
3280af22 NIS |
1093 | PL_markstack_ptr[-1] += shift; |
1094 | *PL_markstack_ptr += shift; | |
544f3153 | 1095 | while (count--) |
a0d0e21e LW |
1096 | *dst-- = *src--; |
1097 | } | |
544f3153 | 1098 | /* copy the new items down to the destination list */ |
ac27b0f5 | 1099 | dst = PL_stack_base + (PL_markstack_ptr[-2] += items) - 1; |
22023b26 TP |
1100 | if (gimme == G_ARRAY) { |
1101 | while (items-- > 0) | |
1102 | *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs); | |
1103 | } | |
bfed75c6 | 1104 | else { |
22023b26 TP |
1105 | /* scalar context: we don't care about which values map returns |
1106 | * (we use undef here). And so we certainly don't want to do mortal | |
1107 | * copies of meaningless values. */ | |
1108 | while (items-- > 0) { | |
b988aa42 | 1109 | (void)POPs; |
22023b26 TP |
1110 | *dst-- = &PL_sv_undef; |
1111 | } | |
1112 | } | |
a0d0e21e | 1113 | } |
d343c3ef | 1114 | LEAVE_with_name("grep_item"); /* exit inner scope */ |
a0d0e21e LW |
1115 | |
1116 | /* All done yet? */ | |
3280af22 | 1117 | if (PL_markstack_ptr[-1] > *PL_markstack_ptr) { |
a0d0e21e LW |
1118 | |
1119 | (void)POPMARK; /* pop top */ | |
d343c3ef | 1120 | LEAVE_with_name("grep"); /* exit outer scope */ |
a0d0e21e | 1121 | (void)POPMARK; /* pop src */ |
3280af22 | 1122 | items = --*PL_markstack_ptr - PL_markstack_ptr[-1]; |
a0d0e21e | 1123 | (void)POPMARK; /* pop dst */ |
3280af22 | 1124 | SP = PL_stack_base + POPMARK; /* pop original mark */ |
54310121 | 1125 | if (gimme == G_SCALAR) { |
7cc47870 RGS |
1126 | if (PL_op->op_private & OPpGREP_LEX) { |
1127 | SV* sv = sv_newmortal(); | |
1128 | sv_setiv(sv, items); | |
1129 | PUSHs(sv); | |
1130 | } | |
1131 | else { | |
1132 | dTARGET; | |
1133 | XPUSHi(items); | |
1134 | } | |
a0d0e21e | 1135 | } |
54310121 | 1136 | else if (gimme == G_ARRAY) |
1137 | SP += items; | |
a0d0e21e LW |
1138 | RETURN; |
1139 | } | |
1140 | else { | |
1141 | SV *src; | |
1142 | ||
d343c3ef | 1143 | ENTER_with_name("grep_item"); /* enter inner scope */ |
7766f137 | 1144 | SAVEVPTR(PL_curpm); |
a0d0e21e | 1145 | |
544f3153 | 1146 | /* set $_ to the new source item */ |
3280af22 | 1147 | src = PL_stack_base[PL_markstack_ptr[-1]]; |
a0d0e21e | 1148 | SvTEMP_off(src); |
59f00321 RGS |
1149 | if (PL_op->op_private & OPpGREP_LEX) |
1150 | PAD_SVl(PL_op->op_targ) = src; | |
1151 | else | |
414bf5ae | 1152 | DEFSV_set(src); |
a0d0e21e LW |
1153 | |
1154 | RETURNOP(cLOGOP->op_other); | |
1155 | } | |
1156 | } | |
1157 | ||
a0d0e21e LW |
1158 | /* Range stuff. */ |
1159 | ||
1160 | PP(pp_range) | |
1161 | { | |
97aff369 | 1162 | dVAR; |
a0d0e21e | 1163 | if (GIMME == G_ARRAY) |
1a67a97c | 1164 | return NORMAL; |
538573f7 | 1165 | if (SvTRUEx(PAD_SV(PL_op->op_targ))) |
1a67a97c | 1166 | return cLOGOP->op_other; |
538573f7 | 1167 | else |
1a67a97c | 1168 | return NORMAL; |
a0d0e21e LW |
1169 | } |
1170 | ||
1171 | PP(pp_flip) | |
1172 | { | |
97aff369 | 1173 | dVAR; |
39644a26 | 1174 | dSP; |
a0d0e21e LW |
1175 | |
1176 | if (GIMME == G_ARRAY) { | |
1a67a97c | 1177 | RETURNOP(((LOGOP*)cUNOP->op_first)->op_other); |
a0d0e21e LW |
1178 | } |
1179 | else { | |
1180 | dTOPss; | |
44f8325f | 1181 | SV * const targ = PAD_SV(PL_op->op_targ); |
bfed75c6 | 1182 | int flip = 0; |
790090df | 1183 | |
bfed75c6 | 1184 | if (PL_op->op_private & OPpFLIP_LINENUM) { |
4e3399f9 YST |
1185 | if (GvIO(PL_last_in_gv)) { |
1186 | flip = SvIV(sv) == (IV)IoLINES(GvIOp(PL_last_in_gv)); | |
1187 | } | |
1188 | else { | |
fafc274c | 1189 | GV * const gv = gv_fetchpvs(".", GV_ADD|GV_NOTQUAL, SVt_PV); |
44f8325f AL |
1190 | if (gv && GvSV(gv)) |
1191 | flip = SvIV(sv) == SvIV(GvSV(gv)); | |
4e3399f9 | 1192 | } |
bfed75c6 AL |
1193 | } else { |
1194 | flip = SvTRUE(sv); | |
1195 | } | |
1196 | if (flip) { | |
a0d0e21e | 1197 | sv_setiv(PAD_SV(cUNOP->op_first->op_targ), 1); |
533c011a | 1198 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e | 1199 | sv_setiv(targ, 1); |
3e3baf6d | 1200 | SETs(targ); |
a0d0e21e LW |
1201 | RETURN; |
1202 | } | |
1203 | else { | |
1204 | sv_setiv(targ, 0); | |
924508f0 | 1205 | SP--; |
1a67a97c | 1206 | RETURNOP(((LOGOP*)cUNOP->op_first)->op_other); |
a0d0e21e LW |
1207 | } |
1208 | } | |
76f68e9b | 1209 | sv_setpvs(TARG, ""); |
a0d0e21e LW |
1210 | SETs(targ); |
1211 | RETURN; | |
1212 | } | |
1213 | } | |
1214 | ||
8e9bbdb9 RGS |
1215 | /* This code tries to decide if "$left .. $right" should use the |
1216 | magical string increment, or if the range is numeric (we make | |
1217 | an exception for .."0" [#18165]). AMS 20021031. */ | |
1218 | ||
1219 | #define RANGE_IS_NUMERIC(left,right) ( \ | |
b0e74086 RGS |
1220 | SvNIOKp(left) || (SvOK(left) && !SvPOKp(left)) || \ |
1221 | SvNIOKp(right) || (SvOK(right) && !SvPOKp(right)) || \ | |
e0ab1c0e | 1222 | (((!SvOK(left) && SvOK(right)) || ((!SvOK(left) || \ |
b15aece3 | 1223 | looks_like_number(left)) && SvPOKp(left) && *SvPVX_const(left) != '0')) \ |
e0ab1c0e | 1224 | && (!SvOK(right) || looks_like_number(right)))) |
8e9bbdb9 | 1225 | |
a0d0e21e LW |
1226 | PP(pp_flop) |
1227 | { | |
97aff369 | 1228 | dVAR; dSP; |
a0d0e21e LW |
1229 | |
1230 | if (GIMME == G_ARRAY) { | |
1231 | dPOPPOPssrl; | |
86cb7173 | 1232 | |
5b295bef RD |
1233 | SvGETMAGIC(left); |
1234 | SvGETMAGIC(right); | |
a0d0e21e | 1235 | |
8e9bbdb9 | 1236 | if (RANGE_IS_NUMERIC(left,right)) { |
901017d6 AL |
1237 | register IV i, j; |
1238 | IV max; | |
4fe3f0fa MHM |
1239 | if ((SvOK(left) && SvNV(left) < IV_MIN) || |
1240 | (SvOK(right) && SvNV(right) > IV_MAX)) | |
d470f89e | 1241 | DIE(aTHX_ "Range iterator outside integer range"); |
a0d0e21e LW |
1242 | i = SvIV(left); |
1243 | max = SvIV(right); | |
bbce6d69 | 1244 | if (max >= i) { |
c1ab3db2 AK |
1245 | j = max - i + 1; |
1246 | EXTEND_MORTAL(j); | |
1247 | EXTEND(SP, j); | |
bbce6d69 | 1248 | } |
c1ab3db2 AK |
1249 | else |
1250 | j = 0; | |
1251 | while (j--) { | |
901017d6 | 1252 | SV * const sv = sv_2mortal(newSViv(i++)); |
a0d0e21e LW |
1253 | PUSHs(sv); |
1254 | } | |
1255 | } | |
1256 | else { | |
44f8325f | 1257 | SV * const final = sv_mortalcopy(right); |
13c5b33c | 1258 | STRLEN len; |
823a54a3 | 1259 | const char * const tmps = SvPV_const(final, len); |
a0d0e21e | 1260 | |
901017d6 | 1261 | SV *sv = sv_mortalcopy(left); |
13c5b33c | 1262 | SvPV_force_nolen(sv); |
89ea2908 | 1263 | while (!SvNIOKp(sv) && SvCUR(sv) <= len) { |
a0d0e21e | 1264 | XPUSHs(sv); |
b15aece3 | 1265 | if (strEQ(SvPVX_const(sv),tmps)) |
89ea2908 | 1266 | break; |
a0d0e21e LW |
1267 | sv = sv_2mortal(newSVsv(sv)); |
1268 | sv_inc(sv); | |
1269 | } | |
a0d0e21e LW |
1270 | } |
1271 | } | |
1272 | else { | |
1273 | dTOPss; | |
901017d6 | 1274 | SV * const targ = PAD_SV(cUNOP->op_first->op_targ); |
4e3399f9 | 1275 | int flop = 0; |
a0d0e21e | 1276 | sv_inc(targ); |
4e3399f9 YST |
1277 | |
1278 | if (PL_op->op_private & OPpFLIP_LINENUM) { | |
1279 | if (GvIO(PL_last_in_gv)) { | |
1280 | flop = SvIV(sv) == (IV)IoLINES(GvIOp(PL_last_in_gv)); | |
1281 | } | |
1282 | else { | |
fafc274c | 1283 | GV * const gv = gv_fetchpvs(".", GV_ADD|GV_NOTQUAL, SVt_PV); |
4e3399f9 YST |
1284 | if (gv && GvSV(gv)) flop = SvIV(sv) == SvIV(GvSV(gv)); |
1285 | } | |
1286 | } | |
1287 | else { | |
1288 | flop = SvTRUE(sv); | |
1289 | } | |
1290 | ||
1291 | if (flop) { | |
a0d0e21e | 1292 | sv_setiv(PAD_SV(((UNOP*)cUNOP->op_first)->op_first->op_targ), 0); |
396482e1 | 1293 | sv_catpvs(targ, "E0"); |
a0d0e21e LW |
1294 | } |
1295 | SETs(targ); | |
1296 | } | |
1297 | ||
1298 | RETURN; | |
1299 | } | |
1300 | ||
1301 | /* Control. */ | |
1302 | ||
27da23d5 | 1303 | static const char * const context_name[] = { |
515afda2 | 1304 | "pseudo-block", |
f31522f3 | 1305 | NULL, /* CXt_WHEN never actually needs "block" */ |
76753e7f | 1306 | NULL, /* CXt_BLOCK never actually needs "block" */ |
f31522f3 | 1307 | NULL, /* CXt_GIVEN never actually needs "block" */ |
76753e7f NC |
1308 | NULL, /* CXt_LOOP_FOR never actually needs "loop" */ |
1309 | NULL, /* CXt_LOOP_PLAIN never actually needs "loop" */ | |
1310 | NULL, /* CXt_LOOP_LAZYSV never actually needs "loop" */ | |
1311 | NULL, /* CXt_LOOP_LAZYIV never actually needs "loop" */ | |
515afda2 | 1312 | "subroutine", |
76753e7f | 1313 | "format", |
515afda2 | 1314 | "eval", |
515afda2 | 1315 | "substitution", |
515afda2 NC |
1316 | }; |
1317 | ||
76e3520e | 1318 | STATIC I32 |
06b5626a | 1319 | S_dopoptolabel(pTHX_ const char *label) |
a0d0e21e | 1320 | { |
97aff369 | 1321 | dVAR; |
a0d0e21e | 1322 | register I32 i; |
a0d0e21e | 1323 | |
7918f24d NC |
1324 | PERL_ARGS_ASSERT_DOPOPTOLABEL; |
1325 | ||
a0d0e21e | 1326 | for (i = cxstack_ix; i >= 0; i--) { |
901017d6 | 1327 | register const PERL_CONTEXT * const cx = &cxstack[i]; |
6b35e009 | 1328 | switch (CxTYPE(cx)) { |
a0d0e21e | 1329 | case CXt_SUBST: |
a0d0e21e | 1330 | case CXt_SUB: |
7766f137 | 1331 | case CXt_FORMAT: |
a0d0e21e | 1332 | case CXt_EVAL: |
0a753a76 | 1333 | case CXt_NULL: |
a2a5de95 NC |
1334 | Perl_ck_warner(aTHX_ packWARN(WARN_EXITING), "Exiting %s via %s", |
1335 | context_name[CxTYPE(cx)], OP_NAME(PL_op)); | |
515afda2 NC |
1336 | if (CxTYPE(cx) == CXt_NULL) |
1337 | return -1; | |
1338 | break; | |
c6fdafd0 | 1339 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1340 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
1341 | case CXt_LOOP_FOR: |
1342 | case CXt_LOOP_PLAIN: | |
7e8f1eac AD |
1343 | { |
1344 | const char *cx_label = CxLABEL(cx); | |
1345 | if (!cx_label || strNE(label, cx_label) ) { | |
1c98cc53 | 1346 | DEBUG_l(Perl_deb(aTHX_ "(poptolabel(): skipping label at cx=%ld %s)\n", |
7e8f1eac | 1347 | (long)i, cx_label)); |
a0d0e21e LW |
1348 | continue; |
1349 | } | |
1c98cc53 | 1350 | DEBUG_l( Perl_deb(aTHX_ "(poptolabel(): found label at cx=%ld %s)\n", (long)i, label)); |
a0d0e21e | 1351 | return i; |
7e8f1eac | 1352 | } |
a0d0e21e LW |
1353 | } |
1354 | } | |
1355 | return i; | |
1356 | } | |
1357 | ||
0d863452 RH |
1358 | |
1359 | ||
e50aee73 | 1360 | I32 |
864dbfa3 | 1361 | Perl_dowantarray(pTHX) |
e50aee73 | 1362 | { |
97aff369 | 1363 | dVAR; |
f54cb97a | 1364 | const I32 gimme = block_gimme(); |
54310121 | 1365 | return (gimme == G_VOID) ? G_SCALAR : gimme; |
1366 | } | |
1367 | ||
1368 | I32 | |
864dbfa3 | 1369 | Perl_block_gimme(pTHX) |
54310121 | 1370 | { |
97aff369 | 1371 | dVAR; |
06b5626a | 1372 | const I32 cxix = dopoptosub(cxstack_ix); |
e50aee73 | 1373 | if (cxix < 0) |
46fc3d4c | 1374 | return G_VOID; |
e50aee73 | 1375 | |
54310121 | 1376 | switch (cxstack[cxix].blk_gimme) { |
d2719217 GS |
1377 | case G_VOID: |
1378 | return G_VOID; | |
54310121 | 1379 | case G_SCALAR: |
e50aee73 | 1380 | return G_SCALAR; |
54310121 | 1381 | case G_ARRAY: |
1382 | return G_ARRAY; | |
1383 | default: | |
cea2e8a9 | 1384 | Perl_croak(aTHX_ "panic: bad gimme: %d\n", cxstack[cxix].blk_gimme); |
d2719217 GS |
1385 | /* NOTREACHED */ |
1386 | return 0; | |
54310121 | 1387 | } |
e50aee73 AD |
1388 | } |
1389 | ||
78f9721b SM |
1390 | I32 |
1391 | Perl_is_lvalue_sub(pTHX) | |
1392 | { | |
97aff369 | 1393 | dVAR; |
06b5626a | 1394 | const I32 cxix = dopoptosub(cxstack_ix); |
78f9721b SM |
1395 | assert(cxix >= 0); /* We should only be called from inside subs */ |
1396 | ||
bafb2adc NC |
1397 | if (CxLVAL(cxstack + cxix) && CvLVALUE(cxstack[cxix].blk_sub.cv)) |
1398 | return CxLVAL(cxstack + cxix); | |
78f9721b SM |
1399 | else |
1400 | return 0; | |
1401 | } | |
1402 | ||
76e3520e | 1403 | STATIC I32 |
901017d6 | 1404 | S_dopoptosub_at(pTHX_ const PERL_CONTEXT *cxstk, I32 startingblock) |
2c375eb9 | 1405 | { |
97aff369 | 1406 | dVAR; |
a0d0e21e | 1407 | I32 i; |
7918f24d NC |
1408 | |
1409 | PERL_ARGS_ASSERT_DOPOPTOSUB_AT; | |
1410 | ||
a0d0e21e | 1411 | for (i = startingblock; i >= 0; i--) { |
901017d6 | 1412 | register const PERL_CONTEXT * const cx = &cxstk[i]; |
6b35e009 | 1413 | switch (CxTYPE(cx)) { |
a0d0e21e LW |
1414 | default: |
1415 | continue; | |
1416 | case CXt_EVAL: | |
1417 | case CXt_SUB: | |
7766f137 | 1418 | case CXt_FORMAT: |
1c98cc53 | 1419 | DEBUG_l( Perl_deb(aTHX_ "(dopoptosub_at(): found sub at cx=%ld)\n", (long)i)); |
a0d0e21e LW |
1420 | return i; |
1421 | } | |
1422 | } | |
1423 | return i; | |
1424 | } | |
1425 | ||
76e3520e | 1426 | STATIC I32 |
cea2e8a9 | 1427 | S_dopoptoeval(pTHX_ I32 startingblock) |
a0d0e21e | 1428 | { |
97aff369 | 1429 | dVAR; |
a0d0e21e | 1430 | I32 i; |
a0d0e21e | 1431 | for (i = startingblock; i >= 0; i--) { |
06b5626a | 1432 | register const PERL_CONTEXT *cx = &cxstack[i]; |
6b35e009 | 1433 | switch (CxTYPE(cx)) { |
a0d0e21e LW |
1434 | default: |
1435 | continue; | |
1436 | case CXt_EVAL: | |
1c98cc53 | 1437 | DEBUG_l( Perl_deb(aTHX_ "(dopoptoeval(): found eval at cx=%ld)\n", (long)i)); |
a0d0e21e LW |
1438 | return i; |
1439 | } | |
1440 | } | |
1441 | return i; | |
1442 | } | |
1443 | ||
76e3520e | 1444 | STATIC I32 |
cea2e8a9 | 1445 | S_dopoptoloop(pTHX_ I32 startingblock) |
a0d0e21e | 1446 | { |
97aff369 | 1447 | dVAR; |
a0d0e21e | 1448 | I32 i; |
a0d0e21e | 1449 | for (i = startingblock; i >= 0; i--) { |
901017d6 | 1450 | register const PERL_CONTEXT * const cx = &cxstack[i]; |
6b35e009 | 1451 | switch (CxTYPE(cx)) { |
a0d0e21e | 1452 | case CXt_SUBST: |
a0d0e21e | 1453 | case CXt_SUB: |
7766f137 | 1454 | case CXt_FORMAT: |
a0d0e21e | 1455 | case CXt_EVAL: |
0a753a76 | 1456 | case CXt_NULL: |
a2a5de95 NC |
1457 | Perl_ck_warner(aTHX_ packWARN(WARN_EXITING), "Exiting %s via %s", |
1458 | context_name[CxTYPE(cx)], OP_NAME(PL_op)); | |
515afda2 NC |
1459 | if ((CxTYPE(cx)) == CXt_NULL) |
1460 | return -1; | |
1461 | break; | |
c6fdafd0 | 1462 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1463 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
1464 | case CXt_LOOP_FOR: |
1465 | case CXt_LOOP_PLAIN: | |
1c98cc53 | 1466 | DEBUG_l( Perl_deb(aTHX_ "(dopoptoloop(): found loop at cx=%ld)\n", (long)i)); |
a0d0e21e LW |
1467 | return i; |
1468 | } | |
1469 | } | |
1470 | return i; | |
1471 | } | |
1472 | ||
0d863452 RH |
1473 | STATIC I32 |
1474 | S_dopoptogiven(pTHX_ I32 startingblock) | |
1475 | { | |
97aff369 | 1476 | dVAR; |
0d863452 RH |
1477 | I32 i; |
1478 | for (i = startingblock; i >= 0; i--) { | |
1479 | register const PERL_CONTEXT *cx = &cxstack[i]; | |
1480 | switch (CxTYPE(cx)) { | |
1481 | default: | |
1482 | continue; | |
1483 | case CXt_GIVEN: | |
1c98cc53 | 1484 | DEBUG_l( Perl_deb(aTHX_ "(dopoptogiven(): found given at cx=%ld)\n", (long)i)); |
0d863452 | 1485 | return i; |
3b719c58 NC |
1486 | case CXt_LOOP_PLAIN: |
1487 | assert(!CxFOREACHDEF(cx)); | |
1488 | break; | |
c6fdafd0 | 1489 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1490 | case CXt_LOOP_LAZYSV: |
3b719c58 | 1491 | case CXt_LOOP_FOR: |
0d863452 | 1492 | if (CxFOREACHDEF(cx)) { |
1c98cc53 | 1493 | DEBUG_l( Perl_deb(aTHX_ "(dopoptogiven(): found foreach at cx=%ld)\n", (long)i)); |
0d863452 RH |
1494 | return i; |
1495 | } | |
1496 | } | |
1497 | } | |
1498 | return i; | |
1499 | } | |
1500 | ||
1501 | STATIC I32 | |
1502 | S_dopoptowhen(pTHX_ I32 startingblock) | |
1503 | { | |
97aff369 | 1504 | dVAR; |
0d863452 RH |
1505 | I32 i; |
1506 | for (i = startingblock; i >= 0; i--) { | |
1507 | register const PERL_CONTEXT *cx = &cxstack[i]; | |
1508 | switch (CxTYPE(cx)) { | |
1509 | default: | |
1510 | continue; | |
1511 | case CXt_WHEN: | |
1c98cc53 | 1512 | DEBUG_l( Perl_deb(aTHX_ "(dopoptowhen(): found when at cx=%ld)\n", (long)i)); |
0d863452 RH |
1513 | return i; |
1514 | } | |
1515 | } | |
1516 | return i; | |
1517 | } | |
1518 | ||
a0d0e21e | 1519 | void |
864dbfa3 | 1520 | Perl_dounwind(pTHX_ I32 cxix) |
a0d0e21e | 1521 | { |
97aff369 | 1522 | dVAR; |
a0d0e21e LW |
1523 | I32 optype; |
1524 | ||
1525 | while (cxstack_ix > cxix) { | |
b0d9ce38 | 1526 | SV *sv; |
06b5626a | 1527 | register PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1c98cc53 | 1528 | DEBUG_CX("UNWIND"); \ |
a0d0e21e | 1529 | /* Note: we don't need to restore the base context info till the end. */ |
6b35e009 | 1530 | switch (CxTYPE(cx)) { |
c90c0ff4 | 1531 | case CXt_SUBST: |
1532 | POPSUBST(cx); | |
1533 | continue; /* not break */ | |
a0d0e21e | 1534 | case CXt_SUB: |
b0d9ce38 GS |
1535 | POPSUB(cx,sv); |
1536 | LEAVESUB(sv); | |
a0d0e21e LW |
1537 | break; |
1538 | case CXt_EVAL: | |
1539 | POPEVAL(cx); | |
1540 | break; | |
c6fdafd0 | 1541 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1542 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
1543 | case CXt_LOOP_FOR: |
1544 | case CXt_LOOP_PLAIN: | |
a0d0e21e LW |
1545 | POPLOOP(cx); |
1546 | break; | |
0a753a76 | 1547 | case CXt_NULL: |
a0d0e21e | 1548 | break; |
7766f137 GS |
1549 | case CXt_FORMAT: |
1550 | POPFORMAT(cx); | |
1551 | break; | |
a0d0e21e | 1552 | } |
c90c0ff4 | 1553 | cxstack_ix--; |
a0d0e21e | 1554 | } |
1b6737cc | 1555 | PERL_UNUSED_VAR(optype); |
a0d0e21e LW |
1556 | } |
1557 | ||
5a844595 GS |
1558 | void |
1559 | Perl_qerror(pTHX_ SV *err) | |
1560 | { | |
97aff369 | 1561 | dVAR; |
7918f24d NC |
1562 | |
1563 | PERL_ARGS_ASSERT_QERROR; | |
1564 | ||
5a844595 GS |
1565 | if (PL_in_eval) |
1566 | sv_catsv(ERRSV, err); | |
1567 | else if (PL_errors) | |
1568 | sv_catsv(PL_errors, err); | |
1569 | else | |
be2597df | 1570 | Perl_warn(aTHX_ "%"SVf, SVfARG(err)); |
13765c85 DM |
1571 | if (PL_parser) |
1572 | ++PL_parser->error_count; | |
5a844595 GS |
1573 | } |
1574 | ||
bb4c52e0 | 1575 | void |
c5df3096 | 1576 | Perl_die_unwind(pTHX_ SV *msv) |
a0d0e21e | 1577 | { |
27da23d5 | 1578 | dVAR; |
c5df3096 | 1579 | SV *exceptsv = sv_mortalcopy(msv); |
96d9b9cd | 1580 | U8 in_eval = PL_in_eval; |
c5df3096 | 1581 | PERL_ARGS_ASSERT_DIE_UNWIND; |
87582a92 | 1582 | |
96d9b9cd | 1583 | if (in_eval) { |
a0d0e21e | 1584 | I32 cxix; |
a0d0e21e | 1585 | I32 gimme; |
a0d0e21e | 1586 | |
5a844595 GS |
1587 | while ((cxix = dopoptoeval(cxstack_ix)) < 0 |
1588 | && PL_curstackinfo->si_prev) | |
1589 | { | |
bac4b2ad | 1590 | dounwind(-1); |
d3acc0f7 | 1591 | POPSTACK; |
bac4b2ad | 1592 | } |
e336de0d | 1593 | |
a0d0e21e LW |
1594 | if (cxix >= 0) { |
1595 | I32 optype; | |
b6494f15 | 1596 | SV *namesv; |
35a4481c | 1597 | register PERL_CONTEXT *cx; |
901017d6 | 1598 | SV **newsp; |
a0d0e21e LW |
1599 | |
1600 | if (cxix < cxstack_ix) | |
1601 | dounwind(cxix); | |
1602 | ||
3280af22 | 1603 | POPBLOCK(cx,PL_curpm); |
6b35e009 | 1604 | if (CxTYPE(cx) != CXt_EVAL) { |
7d0994e0 | 1605 | STRLEN msglen; |
96d9b9cd | 1606 | const char* message = SvPVx_const(exceptsv, msglen); |
10edeb5d | 1607 | PerlIO_write(Perl_error_log, (const char *)"panic: die ", 11); |
bf49b057 | 1608 | PerlIO_write(Perl_error_log, message, msglen); |
a0d0e21e LW |
1609 | my_exit(1); |
1610 | } | |
1611 | POPEVAL(cx); | |
b6494f15 | 1612 | namesv = cx->blk_eval.old_namesv; |
a0d0e21e LW |
1613 | |
1614 | if (gimme == G_SCALAR) | |
3280af22 NIS |
1615 | *++newsp = &PL_sv_undef; |
1616 | PL_stack_sp = newsp; | |
a0d0e21e LW |
1617 | |
1618 | LEAVE; | |
748a9306 | 1619 | |
7fb6a879 GS |
1620 | /* LEAVE could clobber PL_curcop (see save_re_context()) |
1621 | * XXX it might be better to find a way to avoid messing with | |
1622 | * PL_curcop in save_re_context() instead, but this is a more | |
1623 | * minimal fix --GSAR */ | |
1624 | PL_curcop = cx->blk_oldcop; | |
1625 | ||
7a2e2cd6 | 1626 | if (optype == OP_REQUIRE) { |
96d9b9cd | 1627 | const char* const msg = SvPVx_nolen_const(exceptsv); |
b6494f15 VP |
1628 | (void)hv_store(GvHVn(PL_incgv), |
1629 | SvPVX_const(namesv), SvCUR(namesv), | |
27bcc0a7 | 1630 | &PL_sv_undef, 0); |
27e90453 DM |
1631 | /* note that unlike pp_entereval, pp_require isn't |
1632 | * supposed to trap errors. So now that we've popped the | |
1633 | * EVAL that pp_require pushed, and processed the error | |
1634 | * message, rethrow the error */ | |
5a844595 GS |
1635 | DIE(aTHX_ "%sCompilation failed in require", |
1636 | *msg ? msg : "Unknown error\n"); | |
7a2e2cd6 | 1637 | } |
c5df3096 | 1638 | if (in_eval & EVAL_KEEPERR) { |
7ce09284 Z |
1639 | Perl_ck_warner(aTHX_ packWARN(WARN_MISC), "\t(in cleanup) %s", |
1640 | SvPV_nolen_const(exceptsv)); | |
96d9b9cd Z |
1641 | } |
1642 | else { | |
1643 | sv_setsv(ERRSV, exceptsv); | |
1644 | } | |
f39bc417 | 1645 | assert(CxTYPE(cx) == CXt_EVAL); |
febb3a6d | 1646 | PL_restartjmpenv = cx->blk_eval.cur_top_env; |
bb4c52e0 GG |
1647 | PL_restartop = cx->blk_eval.retop; |
1648 | JMPENV_JUMP(3); | |
1649 | /* NOTREACHED */ | |
a0d0e21e LW |
1650 | } |
1651 | } | |
87582a92 | 1652 | |
96d9b9cd | 1653 | write_to_stderr(exceptsv); |
f86702cc | 1654 | my_failure_exit(); |
1655 | /* NOTREACHED */ | |
a0d0e21e LW |
1656 | } |
1657 | ||
1658 | PP(pp_xor) | |
1659 | { | |
97aff369 | 1660 | dVAR; dSP; dPOPTOPssrl; |
a0d0e21e LW |
1661 | if (SvTRUE(left) != SvTRUE(right)) |
1662 | RETSETYES; | |
1663 | else | |
1664 | RETSETNO; | |
1665 | } | |
1666 | ||
a0d0e21e LW |
1667 | PP(pp_caller) |
1668 | { | |
97aff369 | 1669 | dVAR; |
39644a26 | 1670 | dSP; |
a0d0e21e | 1671 | register I32 cxix = dopoptosub(cxstack_ix); |
901017d6 AL |
1672 | register const PERL_CONTEXT *cx; |
1673 | register const PERL_CONTEXT *ccstack = cxstack; | |
1674 | const PERL_SI *top_si = PL_curstackinfo; | |
54310121 | 1675 | I32 gimme; |
06b5626a | 1676 | const char *stashname; |
a0d0e21e LW |
1677 | I32 count = 0; |
1678 | ||
1679 | if (MAXARG) | |
1680 | count = POPi; | |
27d41816 | 1681 | |
a0d0e21e | 1682 | for (;;) { |
2c375eb9 GS |
1683 | /* we may be in a higher stacklevel, so dig down deeper */ |
1684 | while (cxix < 0 && top_si->si_type != PERLSI_MAIN) { | |
1685 | top_si = top_si->si_prev; | |
1686 | ccstack = top_si->si_cxstack; | |
1687 | cxix = dopoptosub_at(ccstack, top_si->si_cxix); | |
1688 | } | |
a0d0e21e | 1689 | if (cxix < 0) { |
27d41816 DM |
1690 | if (GIMME != G_ARRAY) { |
1691 | EXTEND(SP, 1); | |
a0d0e21e | 1692 | RETPUSHUNDEF; |
27d41816 | 1693 | } |
a0d0e21e LW |
1694 | RETURN; |
1695 | } | |
f2a7f298 DG |
1696 | /* caller() should not report the automatic calls to &DB::sub */ |
1697 | if (PL_DBsub && GvCV(PL_DBsub) && cxix >= 0 && | |
3280af22 | 1698 | ccstack[cxix].blk_sub.cv == GvCV(PL_DBsub)) |
a0d0e21e LW |
1699 | count++; |
1700 | if (!count--) | |
1701 | break; | |
2c375eb9 | 1702 | cxix = dopoptosub_at(ccstack, cxix - 1); |
a0d0e21e | 1703 | } |
2c375eb9 GS |
1704 | |
1705 | cx = &ccstack[cxix]; | |
7766f137 | 1706 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
f54cb97a | 1707 | const I32 dbcxix = dopoptosub_at(ccstack, cxix - 1); |
2c375eb9 | 1708 | /* We expect that ccstack[dbcxix] is CXt_SUB, anyway, the |
06a5b730 | 1709 | field below is defined for any cx. */ |
f2a7f298 DG |
1710 | /* caller() should not report the automatic calls to &DB::sub */ |
1711 | if (PL_DBsub && GvCV(PL_DBsub) && dbcxix >= 0 && ccstack[dbcxix].blk_sub.cv == GvCV(PL_DBsub)) | |
2c375eb9 | 1712 | cx = &ccstack[dbcxix]; |
06a5b730 | 1713 | } |
1714 | ||
ed094faf | 1715 | stashname = CopSTASHPV(cx->blk_oldcop); |
a0d0e21e | 1716 | if (GIMME != G_ARRAY) { |
27d41816 | 1717 | EXTEND(SP, 1); |
ed094faf | 1718 | if (!stashname) |
3280af22 | 1719 | PUSHs(&PL_sv_undef); |
49d8d3a1 MB |
1720 | else { |
1721 | dTARGET; | |
ed094faf | 1722 | sv_setpv(TARG, stashname); |
49d8d3a1 MB |
1723 | PUSHs(TARG); |
1724 | } | |
a0d0e21e LW |
1725 | RETURN; |
1726 | } | |
a0d0e21e | 1727 | |
b3ca2e83 | 1728 | EXTEND(SP, 11); |
27d41816 | 1729 | |
ed094faf | 1730 | if (!stashname) |
3280af22 | 1731 | PUSHs(&PL_sv_undef); |
49d8d3a1 | 1732 | else |
6e449a3a MHM |
1733 | mPUSHs(newSVpv(stashname, 0)); |
1734 | mPUSHs(newSVpv(OutCopFILE(cx->blk_oldcop), 0)); | |
1735 | mPUSHi((I32)CopLINE(cx->blk_oldcop)); | |
a0d0e21e LW |
1736 | if (!MAXARG) |
1737 | RETURN; | |
7766f137 | 1738 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
0bd48802 | 1739 | GV * const cvgv = CvGV(ccstack[cxix].blk_sub.cv); |
7766f137 | 1740 | /* So is ccstack[dbcxix]. */ |
07b8c804 | 1741 | if (isGV(cvgv)) { |
561b68a9 | 1742 | SV * const sv = newSV(0); |
c445ea15 | 1743 | gv_efullname3(sv, cvgv, NULL); |
6e449a3a | 1744 | mPUSHs(sv); |
bf38a478 | 1745 | PUSHs(boolSV(CxHASARGS(cx))); |
07b8c804 RGS |
1746 | } |
1747 | else { | |
84bafc02 | 1748 | PUSHs(newSVpvs_flags("(unknown)", SVs_TEMP)); |
bf38a478 | 1749 | PUSHs(boolSV(CxHASARGS(cx))); |
07b8c804 | 1750 | } |
a0d0e21e LW |
1751 | } |
1752 | else { | |
84bafc02 | 1753 | PUSHs(newSVpvs_flags("(eval)", SVs_TEMP)); |
6e449a3a | 1754 | mPUSHi(0); |
a0d0e21e | 1755 | } |
54310121 | 1756 | gimme = (I32)cx->blk_gimme; |
1757 | if (gimme == G_VOID) | |
3280af22 | 1758 | PUSHs(&PL_sv_undef); |
54310121 | 1759 | else |
98625aca | 1760 | PUSHs(boolSV((gimme & G_WANT) == G_ARRAY)); |
6b35e009 | 1761 | if (CxTYPE(cx) == CXt_EVAL) { |
811a4de9 | 1762 | /* eval STRING */ |
85a64632 | 1763 | if (CxOLD_OP_TYPE(cx) == OP_ENTEREVAL) { |
4633a7c4 | 1764 | PUSHs(cx->blk_eval.cur_text); |
3280af22 | 1765 | PUSHs(&PL_sv_no); |
0f79a09d | 1766 | } |
811a4de9 | 1767 | /* require */ |
0f79a09d | 1768 | else if (cx->blk_eval.old_namesv) { |
6e449a3a | 1769 | mPUSHs(newSVsv(cx->blk_eval.old_namesv)); |
3280af22 | 1770 | PUSHs(&PL_sv_yes); |
06a5b730 | 1771 | } |
811a4de9 GS |
1772 | /* eval BLOCK (try blocks have old_namesv == 0) */ |
1773 | else { | |
1774 | PUSHs(&PL_sv_undef); | |
1775 | PUSHs(&PL_sv_undef); | |
1776 | } | |
4633a7c4 | 1777 | } |
a682de96 GS |
1778 | else { |
1779 | PUSHs(&PL_sv_undef); | |
1780 | PUSHs(&PL_sv_undef); | |
1781 | } | |
bafb2adc | 1782 | if (CxTYPE(cx) == CXt_SUB && CxHASARGS(cx) |
ed094faf | 1783 | && CopSTASH_eq(PL_curcop, PL_debstash)) |
4633a7c4 | 1784 | { |
66a1b24b AL |
1785 | AV * const ary = cx->blk_sub.argarray; |
1786 | const int off = AvARRAY(ary) - AvALLOC(ary); | |
a0d0e21e | 1787 | |
3280af22 | 1788 | if (!PL_dbargs) { |
af3885a0 NC |
1789 | PL_dbargs = GvAV(gv_AVadd(gv_fetchpvs("DB::args", GV_ADDMULTI, |
1790 | SVt_PVAV))); | |
3ddcf04c | 1791 | AvREAL_off(PL_dbargs); /* XXX should be REIFY (see av.h) */ |
a0d0e21e LW |
1792 | } |
1793 | ||
3280af22 NIS |
1794 | if (AvMAX(PL_dbargs) < AvFILLp(ary) + off) |
1795 | av_extend(PL_dbargs, AvFILLp(ary) + off); | |
1796 | Copy(AvALLOC(ary), AvARRAY(PL_dbargs), AvFILLp(ary) + 1 + off, SV*); | |
1797 | AvFILLp(PL_dbargs) = AvFILLp(ary) + off; | |
a0d0e21e | 1798 | } |
f3aa04c2 GS |
1799 | /* XXX only hints propagated via op_private are currently |
1800 | * visible (others are not easily accessible, since they | |
1801 | * use the global PL_hints) */ | |
6e449a3a | 1802 | mPUSHi(CopHINTS_get(cx->blk_oldcop)); |
e476b1b5 GS |
1803 | { |
1804 | SV * mask ; | |
72dc9ed5 | 1805 | STRLEN * const old_warnings = cx->blk_oldcop->cop_warnings ; |
114bafba | 1806 | |
ac27b0f5 | 1807 | if (old_warnings == pWARN_NONE || |
114bafba | 1808 | (old_warnings == pWARN_STD && (PL_dowarn & G_WARN_ON) == 0)) |
e476b1b5 | 1809 | mask = newSVpvn(WARN_NONEstring, WARNsize) ; |
ac27b0f5 | 1810 | else if (old_warnings == pWARN_ALL || |
75b6c4ca RGS |
1811 | (old_warnings == pWARN_STD && PL_dowarn & G_WARN_ON)) { |
1812 | /* Get the bit mask for $warnings::Bits{all}, because | |
1813 | * it could have been extended by warnings::register */ | |
1814 | SV **bits_all; | |
6673a63c | 1815 | HV * const bits = get_hv("warnings::Bits", 0); |
017a3ce5 | 1816 | if (bits && (bits_all=hv_fetchs(bits, "all", FALSE))) { |
75b6c4ca RGS |
1817 | mask = newSVsv(*bits_all); |
1818 | } | |
1819 | else { | |
1820 | mask = newSVpvn(WARN_ALLstring, WARNsize) ; | |
1821 | } | |
1822 | } | |
e476b1b5 | 1823 | else |
72dc9ed5 | 1824 | mask = newSVpvn((char *) (old_warnings + 1), old_warnings[0]); |
6e449a3a | 1825 | mPUSHs(mask); |
e476b1b5 | 1826 | } |
b3ca2e83 | 1827 | |
c28fe1ec | 1828 | PUSHs(cx->blk_oldcop->cop_hints_hash ? |
b3ca2e83 | 1829 | sv_2mortal(newRV_noinc( |
ad64d0ec NC |
1830 | MUTABLE_SV(Perl_refcounted_he_chain_2hv(aTHX_ |
1831 | cx->blk_oldcop->cop_hints_hash)))) | |
b3ca2e83 | 1832 | : &PL_sv_undef); |
a0d0e21e LW |
1833 | RETURN; |
1834 | } | |
1835 | ||
a0d0e21e LW |
1836 | PP(pp_reset) |
1837 | { | |
97aff369 | 1838 | dVAR; |
39644a26 | 1839 | dSP; |
10edeb5d | 1840 | const char * const tmps = (MAXARG < 1) ? (const char *)"" : POPpconstx; |
11faa288 | 1841 | sv_reset(tmps, CopSTASH(PL_curcop)); |
3280af22 | 1842 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1843 | RETURN; |
1844 | } | |
1845 | ||
dd2155a4 DM |
1846 | /* like pp_nextstate, but used instead when the debugger is active */ |
1847 | ||
a0d0e21e LW |
1848 | PP(pp_dbstate) |
1849 | { | |
27da23d5 | 1850 | dVAR; |
533c011a | 1851 | PL_curcop = (COP*)PL_op; |
a0d0e21e | 1852 | TAINT_NOT; /* Each statement is presumed innocent */ |
3280af22 | 1853 | PL_stack_sp = PL_stack_base + cxstack[cxstack_ix].blk_oldsp; |
a0d0e21e LW |
1854 | FREETMPS; |
1855 | ||
f410a211 NC |
1856 | PERL_ASYNC_CHECK(); |
1857 | ||
5df8de69 DM |
1858 | if (PL_op->op_flags & OPf_SPECIAL /* breakpoint */ |
1859 | || SvIV(PL_DBsingle) || SvIV(PL_DBsignal) || SvIV(PL_DBtrace)) | |
a0d0e21e | 1860 | { |
39644a26 | 1861 | dSP; |
c09156bb | 1862 | register PERL_CONTEXT *cx; |
f54cb97a | 1863 | const I32 gimme = G_ARRAY; |
eb160463 | 1864 | U8 hasargs; |
0bd48802 AL |
1865 | GV * const gv = PL_DBgv; |
1866 | register CV * const cv = GvCV(gv); | |
a0d0e21e | 1867 | |
a0d0e21e | 1868 | if (!cv) |
cea2e8a9 | 1869 | DIE(aTHX_ "No DB::DB routine defined"); |
a0d0e21e | 1870 | |
aea4f609 DM |
1871 | if (CvDEPTH(cv) >= 1 && !(PL_debug & DEBUG_DB_RECURSE_FLAG)) |
1872 | /* don't do recursive DB::DB call */ | |
a0d0e21e | 1873 | return NORMAL; |
748a9306 | 1874 | |
a57c6685 | 1875 | ENTER; |
4633a7c4 LW |
1876 | SAVETMPS; |
1877 | ||
3280af22 | 1878 | SAVEI32(PL_debug); |
55497cff | 1879 | SAVESTACK_POS(); |
3280af22 | 1880 | PL_debug = 0; |
748a9306 | 1881 | hasargs = 0; |
924508f0 | 1882 | SPAGAIN; |
748a9306 | 1883 | |
aed2304a | 1884 | if (CvISXSUB(cv)) { |
c127bd3a SF |
1885 | CvDEPTH(cv)++; |
1886 | PUSHMARK(SP); | |
1887 | (void)(*CvXSUB(cv))(aTHX_ cv); | |
1888 | CvDEPTH(cv)--; | |
1889 | FREETMPS; | |
a57c6685 | 1890 | LEAVE; |
c127bd3a SF |
1891 | return NORMAL; |
1892 | } | |
1893 | else { | |
1894 | PUSHBLOCK(cx, CXt_SUB, SP); | |
1895 | PUSHSUB_DB(cx); | |
1896 | cx->blk_sub.retop = PL_op->op_next; | |
1897 | CvDEPTH(cv)++; | |
1898 | SAVECOMPPAD(); | |
1899 | PAD_SET_CUR_NOSAVE(CvPADLIST(cv), 1); | |
1900 | RETURNOP(CvSTART(cv)); | |
1901 | } | |
a0d0e21e LW |
1902 | } |
1903 | else | |
1904 | return NORMAL; | |
1905 | } | |
1906 | ||
a0d0e21e LW |
1907 | PP(pp_enteriter) |
1908 | { | |
27da23d5 | 1909 | dVAR; dSP; dMARK; |
c09156bb | 1910 | register PERL_CONTEXT *cx; |
f54cb97a | 1911 | const I32 gimme = GIMME_V; |
a0d0e21e | 1912 | SV **svp; |
840fe433 | 1913 | U8 cxtype = CXt_LOOP_FOR; |
7766f137 | 1914 | #ifdef USE_ITHREADS |
e846cb92 | 1915 | PAD *iterdata; |
7766f137 | 1916 | #endif |
a0d0e21e | 1917 | |
d343c3ef | 1918 | ENTER_with_name("loop1"); |
4633a7c4 LW |
1919 | SAVETMPS; |
1920 | ||
533c011a | 1921 | if (PL_op->op_targ) { |
14f338dc DM |
1922 | if (PL_op->op_private & OPpLVAL_INTRO) { /* for my $x (...) */ |
1923 | SvPADSTALE_off(PAD_SVl(PL_op->op_targ)); | |
1924 | SAVESETSVFLAGS(PAD_SVl(PL_op->op_targ), | |
1925 | SVs_PADSTALE, SVs_PADSTALE); | |
1926 | } | |
09edbca0 | 1927 | SAVEPADSVANDMORTALIZE(PL_op->op_targ); |
c3564e5c | 1928 | #ifndef USE_ITHREADS |
dd2155a4 | 1929 | svp = &PAD_SVl(PL_op->op_targ); /* "my" variable */ |
c3564e5c | 1930 | #else |
e846cb92 | 1931 | iterdata = NULL; |
7766f137 | 1932 | #endif |
54b9620d MB |
1933 | } |
1934 | else { | |
159b6efe | 1935 | GV * const gv = MUTABLE_GV(POPs); |
7766f137 | 1936 | svp = &GvSV(gv); /* symbol table variable */ |
0214ae40 | 1937 | SAVEGENERICSV(*svp); |
561b68a9 | 1938 | *svp = newSV(0); |
7766f137 | 1939 | #ifdef USE_ITHREADS |
e846cb92 | 1940 | iterdata = (PAD*)gv; |
7766f137 | 1941 | #endif |
54b9620d | 1942 | } |
4633a7c4 | 1943 | |
0d863452 RH |
1944 | if (PL_op->op_private & OPpITER_DEF) |
1945 | cxtype |= CXp_FOR_DEF; | |
1946 | ||
d343c3ef | 1947 | ENTER_with_name("loop2"); |
a0d0e21e | 1948 | |
7766f137 GS |
1949 | PUSHBLOCK(cx, cxtype, SP); |
1950 | #ifdef USE_ITHREADS | |
e846cb92 | 1951 | PUSHLOOP_FOR(cx, iterdata, MARK, PL_op->op_targ); |
7766f137 | 1952 | #else |
52d1f6fb | 1953 | PUSHLOOP_FOR(cx, svp, MARK, 0); |
7766f137 | 1954 | #endif |
533c011a | 1955 | if (PL_op->op_flags & OPf_STACKED) { |
d01136d6 BS |
1956 | SV *maybe_ary = POPs; |
1957 | if (SvTYPE(maybe_ary) != SVt_PVAV) { | |
89ea2908 | 1958 | dPOPss; |
d01136d6 | 1959 | SV * const right = maybe_ary; |
984a4bea RD |
1960 | SvGETMAGIC(sv); |
1961 | SvGETMAGIC(right); | |
4fe3f0fa | 1962 | if (RANGE_IS_NUMERIC(sv,right)) { |
d01136d6 | 1963 | cx->cx_type &= ~CXTYPEMASK; |
c6fdafd0 NC |
1964 | cx->cx_type |= CXt_LOOP_LAZYIV; |
1965 | /* Make sure that no-one re-orders cop.h and breaks our | |
1966 | assumptions */ | |
1967 | assert(CxTYPE(cx) == CXt_LOOP_LAZYIV); | |
a2309040 JH |
1968 | #ifdef NV_PRESERVES_UV |
1969 | if ((SvOK(sv) && ((SvNV(sv) < (NV)IV_MIN) || | |
1970 | (SvNV(sv) > (NV)IV_MAX))) | |
1971 | || | |
1972 | (SvOK(right) && ((SvNV(right) > (NV)IV_MAX) || | |
1973 | (SvNV(right) < (NV)IV_MIN)))) | |
1974 | #else | |
1975 | if ((SvOK(sv) && ((SvNV(sv) <= (NV)IV_MIN) | |
1976 | || | |
1977 | ((SvNV(sv) > 0) && | |
1978 | ((SvUV(sv) > (UV)IV_MAX) || | |
1979 | (SvNV(sv) > (NV)UV_MAX))))) | |
1980 | || | |
1981 | (SvOK(right) && ((SvNV(right) <= (NV)IV_MIN) | |
1982 | || | |
1983 | ((SvNV(right) > 0) && | |
1984 | ((SvUV(right) > (UV)IV_MAX) || | |
1985 | (SvNV(right) > (NV)UV_MAX)))))) | |
1986 | #endif | |
076d9a11 | 1987 | DIE(aTHX_ "Range iterator outside integer range"); |
d01136d6 BS |
1988 | cx->blk_loop.state_u.lazyiv.cur = SvIV(sv); |
1989 | cx->blk_loop.state_u.lazyiv.end = SvIV(right); | |
d4665a05 DM |
1990 | #ifdef DEBUGGING |
1991 | /* for correct -Dstv display */ | |
1992 | cx->blk_oldsp = sp - PL_stack_base; | |
1993 | #endif | |
89ea2908 | 1994 | } |
3f63a782 | 1995 | else { |
d01136d6 BS |
1996 | cx->cx_type &= ~CXTYPEMASK; |
1997 | cx->cx_type |= CXt_LOOP_LAZYSV; | |
1998 | /* Make sure that no-one re-orders cop.h and breaks our | |
1999 | assumptions */ | |
2000 | assert(CxTYPE(cx) == CXt_LOOP_LAZYSV); | |
2001 | cx->blk_loop.state_u.lazysv.cur = newSVsv(sv); | |
2002 | cx->blk_loop.state_u.lazysv.end = right; | |
2003 | SvREFCNT_inc(right); | |
2004 | (void) SvPV_force_nolen(cx->blk_loop.state_u.lazysv.cur); | |
267cc4a8 NC |
2005 | /* This will do the upgrade to SVt_PV, and warn if the value |
2006 | is uninitialised. */ | |
10516c54 | 2007 | (void) SvPV_nolen_const(right); |
267cc4a8 NC |
2008 | /* Doing this avoids a check every time in pp_iter in pp_hot.c |
2009 | to replace !SvOK() with a pointer to "". */ | |
2010 | if (!SvOK(right)) { | |
2011 | SvREFCNT_dec(right); | |
d01136d6 | 2012 | cx->blk_loop.state_u.lazysv.end = &PL_sv_no; |
267cc4a8 | 2013 | } |
3f63a782 | 2014 | } |
89ea2908 | 2015 | } |
d01136d6 | 2016 | else /* SvTYPE(maybe_ary) == SVt_PVAV */ { |
502c6561 | 2017 | cx->blk_loop.state_u.ary.ary = MUTABLE_AV(maybe_ary); |
d01136d6 BS |
2018 | SvREFCNT_inc(maybe_ary); |
2019 | cx->blk_loop.state_u.ary.ix = | |
2020 | (PL_op->op_private & OPpITER_REVERSED) ? | |
2021 | AvFILL(cx->blk_loop.state_u.ary.ary) + 1 : | |
2022 | -1; | |
ef3e5ea9 | 2023 | } |
89ea2908 | 2024 | } |
d01136d6 BS |
2025 | else { /* iterating over items on the stack */ |
2026 | cx->blk_loop.state_u.ary.ary = NULL; /* means to use the stack */ | |
ef3e5ea9 | 2027 | if (PL_op->op_private & OPpITER_REVERSED) { |
d01136d6 | 2028 | cx->blk_loop.state_u.ary.ix = cx->blk_oldsp + 1; |
ef3e5ea9 NC |
2029 | } |
2030 | else { | |
d01136d6 | 2031 | cx->blk_loop.state_u.ary.ix = MARK - PL_stack_base; |
ef3e5ea9 | 2032 | } |
4633a7c4 | 2033 | } |
a0d0e21e LW |
2034 | |
2035 | RETURN; | |
2036 | } | |
2037 | ||
2038 | PP(pp_enterloop) | |
2039 | { | |
27da23d5 | 2040 | dVAR; dSP; |
c09156bb | 2041 | register PERL_CONTEXT *cx; |
f54cb97a | 2042 | const I32 gimme = GIMME_V; |
a0d0e21e | 2043 | |
d343c3ef | 2044 | ENTER_with_name("loop1"); |
a0d0e21e | 2045 | SAVETMPS; |
d343c3ef | 2046 | ENTER_with_name("loop2"); |
a0d0e21e | 2047 | |
3b719c58 NC |
2048 | PUSHBLOCK(cx, CXt_LOOP_PLAIN, SP); |
2049 | PUSHLOOP_PLAIN(cx, SP); | |
a0d0e21e LW |
2050 | |
2051 | RETURN; | |
2052 | } | |
2053 | ||
2054 | PP(pp_leaveloop) | |
2055 | { | |
27da23d5 | 2056 | dVAR; dSP; |
c09156bb | 2057 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
2058 | I32 gimme; |
2059 | SV **newsp; | |
2060 | PMOP *newpm; | |
2061 | SV **mark; | |
2062 | ||
2063 | POPBLOCK(cx,newpm); | |
3b719c58 | 2064 | assert(CxTYPE_is_LOOP(cx)); |
4fdae800 | 2065 | mark = newsp; |
a8bba7fa | 2066 | newsp = PL_stack_base + cx->blk_loop.resetsp; |
f86702cc | 2067 | |
a1f49e72 | 2068 | TAINT_NOT; |
54310121 | 2069 | if (gimme == G_VOID) |
6f207bd3 | 2070 | NOOP; |
54310121 | 2071 | else if (gimme == G_SCALAR) { |
2072 | if (mark < SP) | |
2073 | *++newsp = sv_mortalcopy(*SP); | |
2074 | else | |
3280af22 | 2075 | *++newsp = &PL_sv_undef; |
a0d0e21e LW |
2076 | } |
2077 | else { | |
a1f49e72 | 2078 | while (mark < SP) { |
a0d0e21e | 2079 | *++newsp = sv_mortalcopy(*++mark); |
a1f49e72 CS |
2080 | TAINT_NOT; /* Each item is independent */ |
2081 | } | |
a0d0e21e | 2082 | } |
f86702cc | 2083 | SP = newsp; |
2084 | PUTBACK; | |
2085 | ||
a8bba7fa | 2086 | POPLOOP(cx); /* Stack values are safe: release loop vars ... */ |
3280af22 | 2087 | PL_curpm = newpm; /* ... and pop $1 et al */ |
f86702cc | 2088 | |
d343c3ef GG |
2089 | LEAVE_with_name("loop2"); |
2090 | LEAVE_with_name("loop1"); | |
a0d0e21e | 2091 | |
f86702cc | 2092 | return NORMAL; |
a0d0e21e LW |
2093 | } |
2094 | ||
2095 | PP(pp_return) | |
2096 | { | |
27da23d5 | 2097 | dVAR; dSP; dMARK; |
c09156bb | 2098 | register PERL_CONTEXT *cx; |
f86702cc | 2099 | bool popsub2 = FALSE; |
b45de488 | 2100 | bool clear_errsv = FALSE; |
a0d0e21e LW |
2101 | I32 gimme; |
2102 | SV **newsp; | |
2103 | PMOP *newpm; | |
2104 | I32 optype = 0; | |
b6494f15 | 2105 | SV *namesv; |
b0d9ce38 | 2106 | SV *sv; |
b263a1ad | 2107 | OP *retop = NULL; |
a0d0e21e | 2108 | |
0bd48802 AL |
2109 | const I32 cxix = dopoptosub(cxstack_ix); |
2110 | ||
9850bf21 RH |
2111 | if (cxix < 0) { |
2112 | if (CxMULTICALL(cxstack)) { /* In this case we must be in a | |
2113 | * sort block, which is a CXt_NULL | |
2114 | * not a CXt_SUB */ | |
2115 | dounwind(0); | |
d7507f74 RH |
2116 | PL_stack_base[1] = *PL_stack_sp; |
2117 | PL_stack_sp = PL_stack_base + 1; | |
a0d0e21e LW |
2118 | return 0; |
2119 | } | |
9850bf21 RH |
2120 | else |
2121 | DIE(aTHX_ "Can't return outside a subroutine"); | |
a0d0e21e | 2122 | } |
a0d0e21e LW |
2123 | if (cxix < cxstack_ix) |
2124 | dounwind(cxix); | |
2125 | ||
d7507f74 RH |
2126 | if (CxMULTICALL(&cxstack[cxix])) { |
2127 | gimme = cxstack[cxix].blk_gimme; | |
2128 | if (gimme == G_VOID) | |
2129 | PL_stack_sp = PL_stack_base; | |
2130 | else if (gimme == G_SCALAR) { | |
2131 | PL_stack_base[1] = *PL_stack_sp; | |
2132 | PL_stack_sp = PL_stack_base + 1; | |
2133 | } | |
9850bf21 | 2134 | return 0; |
d7507f74 | 2135 | } |
9850bf21 | 2136 | |
a0d0e21e | 2137 | POPBLOCK(cx,newpm); |
6b35e009 | 2138 | switch (CxTYPE(cx)) { |
a0d0e21e | 2139 | case CXt_SUB: |
f86702cc | 2140 | popsub2 = TRUE; |
f39bc417 | 2141 | retop = cx->blk_sub.retop; |
5dd42e15 | 2142 | cxstack_ix++; /* preserve cx entry on stack for use by POPSUB */ |
a0d0e21e LW |
2143 | break; |
2144 | case CXt_EVAL: | |
b45de488 GS |
2145 | if (!(PL_in_eval & EVAL_KEEPERR)) |
2146 | clear_errsv = TRUE; | |
a0d0e21e | 2147 | POPEVAL(cx); |
b6494f15 | 2148 | namesv = cx->blk_eval.old_namesv; |
f39bc417 | 2149 | retop = cx->blk_eval.retop; |
1d76a5c3 GS |
2150 | if (CxTRYBLOCK(cx)) |
2151 | break; | |
067f92a0 | 2152 | lex_end(); |
748a9306 LW |
2153 | if (optype == OP_REQUIRE && |
2154 | (MARK == SP || (gimme == G_SCALAR && !SvTRUE(*SP))) ) | |
2155 | { | |
54310121 | 2156 | /* Unassume the success we assumed earlier. */ |
b6494f15 VP |
2157 | (void)hv_delete(GvHVn(PL_incgv), |
2158 | SvPVX_const(namesv), SvCUR(namesv), | |
2159 | G_DISCARD); | |
2160 | DIE(aTHX_ "%"SVf" did not return a true value", SVfARG(namesv)); | |
748a9306 | 2161 | } |
a0d0e21e | 2162 | break; |
7766f137 GS |
2163 | case CXt_FORMAT: |
2164 | POPFORMAT(cx); | |
f39bc417 | 2165 | retop = cx->blk_sub.retop; |
7766f137 | 2166 | break; |
a0d0e21e | 2167 | default: |
cea2e8a9 | 2168 | DIE(aTHX_ "panic: return"); |
a0d0e21e LW |
2169 | } |
2170 | ||
a1f49e72 | 2171 | TAINT_NOT; |
a0d0e21e | 2172 | if (gimme == G_SCALAR) { |
a29cdaf0 IZ |
2173 | if (MARK < SP) { |
2174 | if (popsub2) { | |
a8bba7fa | 2175 | if (cx->blk_sub.cv && CvDEPTH(cx->blk_sub.cv) > 1) { |
a29cdaf0 IZ |
2176 | if (SvTEMP(TOPs)) { |
2177 | *++newsp = SvREFCNT_inc(*SP); | |
2178 | FREETMPS; | |
2179 | sv_2mortal(*newsp); | |
959e3673 GS |
2180 | } |
2181 | else { | |
2182 | sv = SvREFCNT_inc(*SP); /* FREETMPS could clobber it */ | |
a29cdaf0 | 2183 | FREETMPS; |
959e3673 GS |
2184 | *++newsp = sv_mortalcopy(sv); |
2185 | SvREFCNT_dec(sv); | |
a29cdaf0 | 2186 | } |
959e3673 GS |
2187 | } |
2188 | else | |
a29cdaf0 | 2189 | *++newsp = (SvTEMP(*SP)) ? *SP : sv_mortalcopy(*SP); |
959e3673 GS |
2190 | } |
2191 | else | |
a29cdaf0 | 2192 | *++newsp = sv_mortalcopy(*SP); |
959e3673 GS |
2193 | } |
2194 | else | |
3280af22 | 2195 | *++newsp = &PL_sv_undef; |
a0d0e21e | 2196 | } |
54310121 | 2197 | else if (gimme == G_ARRAY) { |
a1f49e72 | 2198 | while (++MARK <= SP) { |
f86702cc | 2199 | *++newsp = (popsub2 && SvTEMP(*MARK)) |
2200 | ? *MARK : sv_mortalcopy(*MARK); | |
a1f49e72 CS |
2201 | TAINT_NOT; /* Each item is independent */ |
2202 | } | |
a0d0e21e | 2203 | } |
3280af22 | 2204 | PL_stack_sp = newsp; |
a0d0e21e | 2205 | |
5dd42e15 | 2206 | LEAVE; |
f86702cc | 2207 | /* Stack values are safe: */ |
2208 | if (popsub2) { | |
5dd42e15 | 2209 | cxstack_ix--; |
b0d9ce38 | 2210 | POPSUB(cx,sv); /* release CV and @_ ... */ |
f86702cc | 2211 | } |
b0d9ce38 | 2212 | else |
c445ea15 | 2213 | sv = NULL; |
3280af22 | 2214 | PL_curpm = newpm; /* ... and pop $1 et al */ |
f86702cc | 2215 | |
b0d9ce38 | 2216 | LEAVESUB(sv); |
8433848b | 2217 | if (clear_errsv) { |
ab69dbc2 | 2218 | CLEAR_ERRSV(); |
8433848b | 2219 | } |
f39bc417 | 2220 | return retop; |
a0d0e21e LW |
2221 | } |
2222 | ||
2223 | PP(pp_last) | |
2224 | { | |
27da23d5 | 2225 | dVAR; dSP; |
a0d0e21e | 2226 | I32 cxix; |
c09156bb | 2227 | register PERL_CONTEXT *cx; |
f86702cc | 2228 | I32 pop2 = 0; |
a0d0e21e | 2229 | I32 gimme; |
8772537c | 2230 | I32 optype; |
b263a1ad | 2231 | OP *nextop = NULL; |
a0d0e21e LW |
2232 | SV **newsp; |
2233 | PMOP *newpm; | |
a8bba7fa | 2234 | SV **mark; |
c445ea15 | 2235 | SV *sv = NULL; |
9d4ba2ae | 2236 | |
a0d0e21e | 2237 | |
533c011a | 2238 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
2239 | cxix = dopoptoloop(cxstack_ix); |
2240 | if (cxix < 0) | |
a651a37d | 2241 | DIE(aTHX_ "Can't \"last\" outside a loop block"); |
a0d0e21e LW |
2242 | } |
2243 | else { | |
2244 | cxix = dopoptolabel(cPVOP->op_pv); | |
2245 | if (cxix < 0) | |
cea2e8a9 | 2246 | DIE(aTHX_ "Label not found for \"last %s\"", cPVOP->op_pv); |
a0d0e21e LW |
2247 | } |
2248 | if (cxix < cxstack_ix) | |
2249 | dounwind(cxix); | |
2250 | ||
2251 | POPBLOCK(cx,newpm); | |
5dd42e15 | 2252 | cxstack_ix++; /* temporarily protect top context */ |
a8bba7fa | 2253 | mark = newsp; |
6b35e009 | 2254 | switch (CxTYPE(cx)) { |
c6fdafd0 | 2255 | case CXt_LOOP_LAZYIV: |
d01136d6 | 2256 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
2257 | case CXt_LOOP_FOR: |
2258 | case CXt_LOOP_PLAIN: | |
2259 | pop2 = CxTYPE(cx); | |
a8bba7fa | 2260 | newsp = PL_stack_base + cx->blk_loop.resetsp; |
022eaa24 | 2261 | nextop = cx->blk_loop.my_op->op_lastop->op_next; |
a0d0e21e | 2262 | break; |
f86702cc | 2263 | case CXt_SUB: |
f86702cc | 2264 | pop2 = CXt_SUB; |
f39bc417 | 2265 | nextop = cx->blk_sub.retop; |
a0d0e21e | 2266 | break; |
f86702cc | 2267 | case CXt_EVAL: |
2268 | POPEVAL(cx); | |
f39bc417 | 2269 | nextop = cx->blk_eval.retop; |
a0d0e21e | 2270 | break; |
7766f137 GS |
2271 | case CXt_FORMAT: |
2272 | POPFORMAT(cx); | |
f39bc417 | 2273 | nextop = cx->blk_sub.retop; |
7766f137 | 2274 | break; |
a0d0e21e | 2275 | default: |
cea2e8a9 | 2276 | DIE(aTHX_ "panic: last"); |
a0d0e21e LW |
2277 | } |
2278 | ||
a1f49e72 | 2279 | TAINT_NOT; |
a0d0e21e | 2280 | if (gimme == G_SCALAR) { |
f86702cc | 2281 | if (MARK < SP) |
2282 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*SP)) | |
2283 | ? *SP : sv_mortalcopy(*SP); | |
a0d0e21e | 2284 | else |
3280af22 | 2285 | *++newsp = &PL_sv_undef; |
a0d0e21e | 2286 | } |
54310121 | 2287 | else if (gimme == G_ARRAY) { |
a1f49e72 | 2288 | while (++MARK <= SP) { |
f86702cc | 2289 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*MARK)) |
2290 | ? *MARK : sv_mortalcopy(*MARK); | |
a1f49e72 CS |
2291 | TAINT_NOT; /* Each item is independent */ |
2292 | } | |
f86702cc | 2293 | } |
2294 | SP = newsp; | |
2295 | PUTBACK; | |
2296 | ||
5dd42e15 DM |
2297 | LEAVE; |
2298 | cxstack_ix--; | |
f86702cc | 2299 | /* Stack values are safe: */ |
2300 | switch (pop2) { | |
c6fdafd0 | 2301 | case CXt_LOOP_LAZYIV: |
3b719c58 | 2302 | case CXt_LOOP_PLAIN: |
d01136d6 | 2303 | case CXt_LOOP_LAZYSV: |
3b719c58 | 2304 | case CXt_LOOP_FOR: |
a8bba7fa | 2305 | POPLOOP(cx); /* release loop vars ... */ |
4fdae800 | 2306 | LEAVE; |
f86702cc | 2307 | break; |
2308 | case CXt_SUB: | |
b0d9ce38 | 2309 | POPSUB(cx,sv); /* release CV and @_ ... */ |
f86702cc | 2310 | break; |
a0d0e21e | 2311 | } |
3280af22 | 2312 | PL_curpm = newpm; /* ... and pop $1 et al */ |
a0d0e21e | 2313 | |
b0d9ce38 | 2314 | LEAVESUB(sv); |
9d4ba2ae AL |
2315 | PERL_UNUSED_VAR(optype); |
2316 | PERL_UNUSED_VAR(gimme); | |
f86702cc | 2317 | return nextop; |
a0d0e21e LW |
2318 | } |
2319 | ||
2320 | PP(pp_next) | |
2321 | { | |
27da23d5 | 2322 | dVAR; |
a0d0e21e | 2323 | I32 cxix; |
c09156bb | 2324 | register PERL_CONTEXT *cx; |
85538317 | 2325 | I32 inner; |
a0d0e21e | 2326 | |
533c011a | 2327 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
2328 | cxix = dopoptoloop(cxstack_ix); |
2329 | if (cxix < 0) | |
a651a37d | 2330 | DIE(aTHX_ "Can't \"next\" outside a loop block"); |
a0d0e21e LW |
2331 | } |
2332 | else { | |
2333 | cxix = dopoptolabel(cPVOP->op_pv); | |
2334 | if (cxix < 0) | |
cea2e8a9 | 2335 | DIE(aTHX_ "Label not found for \"next %s\"", cPVOP->op_pv); |
a0d0e21e LW |
2336 | } |
2337 | if (cxix < cxstack_ix) | |
2338 | dounwind(cxix); | |
2339 | ||
85538317 GS |
2340 | /* clear off anything above the scope we're re-entering, but |
2341 | * save the rest until after a possible continue block */ | |
2342 | inner = PL_scopestack_ix; | |
1ba6ee2b | 2343 | TOPBLOCK(cx); |
85538317 GS |
2344 | if (PL_scopestack_ix < inner) |
2345 | leave_scope(PL_scopestack[PL_scopestack_ix]); | |
3a1b2b9e | 2346 | PL_curcop = cx->blk_oldcop; |
022eaa24 | 2347 | return CX_LOOP_NEXTOP_GET(cx); |
a0d0e21e LW |
2348 | } |
2349 | ||
2350 | PP(pp_redo) | |
2351 | { | |
27da23d5 | 2352 | dVAR; |
a0d0e21e | 2353 | I32 cxix; |
c09156bb | 2354 | register PERL_CONTEXT *cx; |
a0d0e21e | 2355 | I32 oldsave; |
a034e688 | 2356 | OP* redo_op; |
a0d0e21e | 2357 | |
533c011a | 2358 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
2359 | cxix = dopoptoloop(cxstack_ix); |
2360 | if (cxix < 0) | |
a651a37d | 2361 | DIE(aTHX_ "Can't \"redo\" outside a loop block"); |
a0d0e21e LW |
2362 | } |
2363 | else { | |
2364 | cxix = dopoptolabel(cPVOP->op_pv); | |
2365 | if (cxix < 0) | |
cea2e8a9 | 2366 | DIE(aTHX_ "Label not found for \"redo %s\"", cPVOP->op_pv); |
a0d0e21e LW |
2367 | } |
2368 | if (cxix < cxstack_ix) | |
2369 | dounwind(cxix); | |
2370 | ||
022eaa24 | 2371 | redo_op = cxstack[cxix].blk_loop.my_op->op_redoop; |
a034e688 DM |
2372 | if (redo_op->op_type == OP_ENTER) { |
2373 | /* pop one less context to avoid $x being freed in while (my $x..) */ | |
2374 | cxstack_ix++; | |
2375 | assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_BLOCK); | |
2376 | redo_op = redo_op->op_next; | |
2377 | } | |
2378 | ||
a0d0e21e | 2379 | TOPBLOCK(cx); |
3280af22 | 2380 | oldsave = PL_scopestack[PL_scopestack_ix - 1]; |
a0d0e21e | 2381 | LEAVE_SCOPE(oldsave); |
936c78b5 | 2382 | FREETMPS; |
3a1b2b9e | 2383 | PL_curcop = cx->blk_oldcop; |
a034e688 | 2384 | return redo_op; |
a0d0e21e LW |
2385 | } |
2386 | ||
0824fdcb | 2387 | STATIC OP * |
bfed75c6 | 2388 | S_dofindlabel(pTHX_ OP *o, const char *label, OP **opstack, OP **oplimit) |
a0d0e21e | 2389 | { |
97aff369 | 2390 | dVAR; |
a0d0e21e | 2391 | OP **ops = opstack; |
bfed75c6 | 2392 | static const char too_deep[] = "Target of goto is too deeply nested"; |
a0d0e21e | 2393 | |
7918f24d NC |
2394 | PERL_ARGS_ASSERT_DOFINDLABEL; |
2395 | ||
fc36a67e | 2396 | if (ops >= oplimit) |
cea2e8a9 | 2397 | Perl_croak(aTHX_ too_deep); |
11343788 MB |
2398 | if (o->op_type == OP_LEAVE || |
2399 | o->op_type == OP_SCOPE || | |
2400 | o->op_type == OP_LEAVELOOP || | |
33d34e4c | 2401 | o->op_type == OP_LEAVESUB || |
11343788 | 2402 | o->op_type == OP_LEAVETRY) |
fc36a67e | 2403 | { |
5dc0d613 | 2404 | *ops++ = cUNOPo->op_first; |
fc36a67e | 2405 | if (ops >= oplimit) |
cea2e8a9 | 2406 | Perl_croak(aTHX_ too_deep); |
fc36a67e | 2407 | } |
c4aa4e48 | 2408 | *ops = 0; |
11343788 | 2409 | if (o->op_flags & OPf_KIDS) { |
aec46f14 | 2410 | OP *kid; |
a0d0e21e | 2411 | /* First try all the kids at this level, since that's likeliest. */ |
11343788 | 2412 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
7e8f1eac AD |
2413 | if (kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) { |
2414 | const char *kid_label = CopLABEL(kCOP); | |
2415 | if (kid_label && strEQ(kid_label, label)) | |
2416 | return kid; | |
2417 | } | |
a0d0e21e | 2418 | } |
11343788 | 2419 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
3280af22 | 2420 | if (kid == PL_lastgotoprobe) |
a0d0e21e | 2421 | continue; |
ed8d0fe2 SM |
2422 | if (kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) { |
2423 | if (ops == opstack) | |
2424 | *ops++ = kid; | |
2425 | else if (ops[-1]->op_type == OP_NEXTSTATE || | |
2426 | ops[-1]->op_type == OP_DBSTATE) | |
2427 | ops[-1] = kid; | |
2428 | else | |
2429 | *ops++ = kid; | |
2430 | } | |
155aba94 | 2431 | if ((o = dofindlabel(kid, label, ops, oplimit))) |
11343788 | 2432 | return o; |
a0d0e21e LW |
2433 | } |
2434 | } | |
c4aa4e48 | 2435 | *ops = 0; |
a0d0e21e LW |
2436 | return 0; |
2437 | } | |
2438 | ||
a0d0e21e LW |
2439 | PP(pp_goto) |
2440 | { | |
27da23d5 | 2441 | dVAR; dSP; |
cbbf8932 | 2442 | OP *retop = NULL; |
a0d0e21e | 2443 | I32 ix; |
c09156bb | 2444 | register PERL_CONTEXT *cx; |
fc36a67e | 2445 | #define GOTO_DEPTH 64 |
2446 | OP *enterops[GOTO_DEPTH]; | |
cbbf8932 | 2447 | const char *label = NULL; |
bfed75c6 AL |
2448 | const bool do_dump = (PL_op->op_type == OP_DUMP); |
2449 | static const char must_have_label[] = "goto must have label"; | |
a0d0e21e | 2450 | |
533c011a | 2451 | if (PL_op->op_flags & OPf_STACKED) { |
9d4ba2ae | 2452 | SV * const sv = POPs; |
a0d0e21e LW |
2453 | |
2454 | /* This egregious kludge implements goto &subroutine */ | |
2455 | if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) { | |
2456 | I32 cxix; | |
c09156bb | 2457 | register PERL_CONTEXT *cx; |
ea726b52 | 2458 | CV *cv = MUTABLE_CV(SvRV(sv)); |
a0d0e21e LW |
2459 | SV** mark; |
2460 | I32 items = 0; | |
2461 | I32 oldsave; | |
b1464ded | 2462 | bool reified = 0; |
a0d0e21e | 2463 | |
e8f7dd13 | 2464 | retry: |
4aa0a1f7 | 2465 | if (!CvROOT(cv) && !CvXSUB(cv)) { |
7fc63493 | 2466 | const GV * const gv = CvGV(cv); |
e8f7dd13 | 2467 | if (gv) { |
7fc63493 | 2468 | GV *autogv; |
e8f7dd13 GS |
2469 | SV *tmpstr; |
2470 | /* autoloaded stub? */ | |
2471 | if (cv != GvCV(gv) && (cv = GvCV(gv))) | |
2472 | goto retry; | |
2473 | autogv = gv_autoload4(GvSTASH(gv), GvNAME(gv), | |
2474 | GvNAMELEN(gv), FALSE); | |
2475 | if (autogv && (cv = GvCV(autogv))) | |
2476 | goto retry; | |
2477 | tmpstr = sv_newmortal(); | |
c445ea15 | 2478 | gv_efullname3(tmpstr, gv, NULL); |
be2597df | 2479 | DIE(aTHX_ "Goto undefined subroutine &%"SVf"", SVfARG(tmpstr)); |
4aa0a1f7 | 2480 | } |
cea2e8a9 | 2481 | DIE(aTHX_ "Goto undefined subroutine"); |
4aa0a1f7 AD |
2482 | } |
2483 | ||
a0d0e21e | 2484 | /* First do some returnish stuff. */ |
b37c2d43 | 2485 | SvREFCNT_inc_simple_void(cv); /* avoid premature free during unwind */ |
71fc2216 | 2486 | FREETMPS; |
a0d0e21e LW |
2487 | cxix = dopoptosub(cxstack_ix); |
2488 | if (cxix < 0) | |
cea2e8a9 | 2489 | DIE(aTHX_ "Can't goto subroutine outside a subroutine"); |
a0d0e21e LW |
2490 | if (cxix < cxstack_ix) |
2491 | dounwind(cxix); | |
2492 | TOPBLOCK(cx); | |
2d43a17f | 2493 | SPAGAIN; |
564abe23 | 2494 | /* ban goto in eval: see <20050521150056.GC20213@iabyn.com> */ |
2d43a17f | 2495 | if (CxTYPE(cx) == CXt_EVAL) { |
c74ace89 DM |
2496 | if (CxREALEVAL(cx)) |
2497 | DIE(aTHX_ "Can't goto subroutine from an eval-string"); | |
2498 | else | |
2499 | DIE(aTHX_ "Can't goto subroutine from an eval-block"); | |
2d43a17f | 2500 | } |
9850bf21 RH |
2501 | else if (CxMULTICALL(cx)) |
2502 | DIE(aTHX_ "Can't goto subroutine from a sort sub (or similar callback)"); | |
bafb2adc | 2503 | if (CxTYPE(cx) == CXt_SUB && CxHASARGS(cx)) { |
d8b46c1b | 2504 | /* put @_ back onto stack */ |
a0d0e21e | 2505 | AV* av = cx->blk_sub.argarray; |
bfed75c6 | 2506 | |
93965878 | 2507 | items = AvFILLp(av) + 1; |
a45cdc79 DM |
2508 | EXTEND(SP, items+1); /* @_ could have been extended. */ |
2509 | Copy(AvARRAY(av), SP + 1, items, SV*); | |
3280af22 NIS |
2510 | SvREFCNT_dec(GvAV(PL_defgv)); |
2511 | GvAV(PL_defgv) = cx->blk_sub.savearray; | |
b1464ded | 2512 | CLEAR_ARGARRAY(av); |
d8b46c1b | 2513 | /* abandon @_ if it got reified */ |
62b1ebc2 | 2514 | if (AvREAL(av)) { |
b1464ded DM |
2515 | reified = 1; |
2516 | SvREFCNT_dec(av); | |
d8b46c1b GS |
2517 | av = newAV(); |
2518 | av_extend(av, items-1); | |
11ca45c0 | 2519 | AvREIFY_only(av); |
ad64d0ec | 2520 | PAD_SVl(0) = MUTABLE_SV(cx->blk_sub.argarray = av); |
62b1ebc2 | 2521 | } |
a0d0e21e | 2522 | } |
aed2304a | 2523 | else if (CvISXSUB(cv)) { /* put GvAV(defgv) back onto stack */ |
890ce7af | 2524 | AV* const av = GvAV(PL_defgv); |
1fa4e549 | 2525 | items = AvFILLp(av) + 1; |
a45cdc79 DM |
2526 | EXTEND(SP, items+1); /* @_ could have been extended. */ |
2527 | Copy(AvARRAY(av), SP + 1, items, SV*); | |
1fa4e549 | 2528 | } |
a45cdc79 DM |
2529 | mark = SP; |
2530 | SP += items; | |
6b35e009 | 2531 | if (CxTYPE(cx) == CXt_SUB && |
b150fb22 | 2532 | !(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth)) |
a0d0e21e | 2533 | SvREFCNT_dec(cx->blk_sub.cv); |
3280af22 | 2534 | oldsave = PL_scopestack[PL_scopestack_ix - 1]; |
a0d0e21e LW |
2535 | LEAVE_SCOPE(oldsave); |
2536 | ||
2537 | /* Now do some callish stuff. */ | |
2538 | SAVETMPS; | |
5023d17a | 2539 | SAVEFREESV(cv); /* later, undo the 'avoid premature free' hack */ |
aed2304a | 2540 | if (CvISXSUB(cv)) { |
b37c2d43 | 2541 | OP* const retop = cx->blk_sub.retop; |
f73ef291 NC |
2542 | SV **newsp; |
2543 | I32 gimme; | |
b1464ded DM |
2544 | if (reified) { |
2545 | I32 index; | |
2546 | for (index=0; index<items; index++) | |
2547 | sv_2mortal(SP[-index]); | |
2548 | } | |
1fa4e549 | 2549 | |
b37c2d43 AL |
2550 | /* XS subs don't have a CxSUB, so pop it */ |
2551 | POPBLOCK(cx, PL_curpm); | |
2552 | /* Push a mark for the start of arglist */ | |
2553 | PUSHMARK(mark); | |
2554 | PUTBACK; | |
2555 | (void)(*CvXSUB(cv))(aTHX_ cv); | |
a57c6685 | 2556 | LEAVE; |
5eff7df7 | 2557 | return retop; |
a0d0e21e LW |
2558 | } |
2559 | else { | |
b37c2d43 | 2560 | AV* const padlist = CvPADLIST(cv); |
6b35e009 | 2561 | if (CxTYPE(cx) == CXt_EVAL) { |
85a64632 | 2562 | PL_in_eval = CxOLD_IN_EVAL(cx); |
3280af22 | 2563 | PL_eval_root = cx->blk_eval.old_eval_root; |
b150fb22 | 2564 | cx->cx_type = CXt_SUB; |
b150fb22 | 2565 | } |
a0d0e21e | 2566 | cx->blk_sub.cv = cv; |
1a5b3db4 | 2567 | cx->blk_sub.olddepth = CvDEPTH(cv); |
dd2155a4 | 2568 | |
a0d0e21e LW |
2569 | CvDEPTH(cv)++; |
2570 | if (CvDEPTH(cv) < 2) | |
74c765eb | 2571 | SvREFCNT_inc_simple_void_NN(cv); |
dd2155a4 | 2572 | else { |
2b9dff67 | 2573 | if (CvDEPTH(cv) == PERL_SUB_DEPTH_WARN && ckWARN(WARN_RECURSION)) |
44a8e56a | 2574 | sub_crush_depth(cv); |
26019298 | 2575 | pad_push(padlist, CvDEPTH(cv)); |
a0d0e21e | 2576 | } |
fd617465 DM |
2577 | SAVECOMPPAD(); |
2578 | PAD_SET_CUR_NOSAVE(padlist, CvDEPTH(cv)); | |
bafb2adc | 2579 | if (CxHASARGS(cx)) |
6d4ff0d2 | 2580 | { |
502c6561 | 2581 | AV *const av = MUTABLE_AV(PAD_SVl(0)); |
a0d0e21e | 2582 | |
3280af22 | 2583 | cx->blk_sub.savearray = GvAV(PL_defgv); |
502c6561 | 2584 | GvAV(PL_defgv) = MUTABLE_AV(SvREFCNT_inc_simple(av)); |
dd2155a4 | 2585 | CX_CURPAD_SAVE(cx->blk_sub); |
6d4ff0d2 | 2586 | cx->blk_sub.argarray = av; |
a0d0e21e LW |
2587 | |
2588 | if (items >= AvMAX(av) + 1) { | |
b37c2d43 | 2589 | SV **ary = AvALLOC(av); |
a0d0e21e LW |
2590 | if (AvARRAY(av) != ary) { |
2591 | AvMAX(av) += AvARRAY(av) - AvALLOC(av); | |
9c6bc640 | 2592 | AvARRAY(av) = ary; |
a0d0e21e LW |
2593 | } |
2594 | if (items >= AvMAX(av) + 1) { | |
2595 | AvMAX(av) = items - 1; | |
2596 | Renew(ary,items+1,SV*); | |
2597 | AvALLOC(av) = ary; | |
9c6bc640 | 2598 | AvARRAY(av) = ary; |
a0d0e21e LW |
2599 | } |
2600 | } | |
a45cdc79 | 2601 | ++mark; |
a0d0e21e | 2602 | Copy(mark,AvARRAY(av),items,SV*); |
93965878 | 2603 | AvFILLp(av) = items - 1; |
d8b46c1b | 2604 | assert(!AvREAL(av)); |
b1464ded DM |
2605 | if (reified) { |
2606 | /* transfer 'ownership' of refcnts to new @_ */ | |
2607 | AvREAL_on(av); | |
2608 | AvREIFY_off(av); | |
2609 | } | |
a0d0e21e LW |
2610 | while (items--) { |
2611 | if (*mark) | |
2612 | SvTEMP_off(*mark); | |
2613 | mark++; | |
2614 | } | |
2615 | } | |
491527d0 | 2616 | if (PERLDB_SUB) { /* Checking curstash breaks DProf. */ |
005a8a35 | 2617 | Perl_get_db_sub(aTHX_ NULL, cv); |
b37c2d43 | 2618 | if (PERLDB_GOTO) { |
b96d8cd9 | 2619 | CV * const gotocv = get_cvs("DB::goto", 0); |
b37c2d43 AL |
2620 | if (gotocv) { |
2621 | PUSHMARK( PL_stack_sp ); | |
ad64d0ec | 2622 | call_sv(MUTABLE_SV(gotocv), G_SCALAR | G_NODEBUG); |
b37c2d43 AL |
2623 | PL_stack_sp--; |
2624 | } | |
491527d0 | 2625 | } |
1ce6579f | 2626 | } |
a0d0e21e LW |
2627 | RETURNOP(CvSTART(cv)); |
2628 | } | |
2629 | } | |
1614b0e3 | 2630 | else { |
0510663f | 2631 | label = SvPV_nolen_const(sv); |
1614b0e3 | 2632 | if (!(do_dump || *label)) |
cea2e8a9 | 2633 | DIE(aTHX_ must_have_label); |
1614b0e3 | 2634 | } |
a0d0e21e | 2635 | } |
533c011a | 2636 | else if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e | 2637 | if (! do_dump) |
cea2e8a9 | 2638 | DIE(aTHX_ must_have_label); |
a0d0e21e LW |
2639 | } |
2640 | else | |
2641 | label = cPVOP->op_pv; | |
2642 | ||
f410a211 NC |
2643 | PERL_ASYNC_CHECK(); |
2644 | ||
a0d0e21e | 2645 | if (label && *label) { |
cbbf8932 | 2646 | OP *gotoprobe = NULL; |
3b2447bc | 2647 | bool leaving_eval = FALSE; |
33d34e4c | 2648 | bool in_block = FALSE; |
cbbf8932 | 2649 | PERL_CONTEXT *last_eval_cx = NULL; |
a0d0e21e LW |
2650 | |
2651 | /* find label */ | |
2652 | ||
d4c19fe8 | 2653 | PL_lastgotoprobe = NULL; |
a0d0e21e LW |
2654 | *enterops = 0; |
2655 | for (ix = cxstack_ix; ix >= 0; ix--) { | |
2656 | cx = &cxstack[ix]; | |
6b35e009 | 2657 | switch (CxTYPE(cx)) { |
a0d0e21e | 2658 | case CXt_EVAL: |
3b2447bc | 2659 | leaving_eval = TRUE; |
971ecbe6 | 2660 | if (!CxTRYBLOCK(cx)) { |
a4f3a277 RH |
2661 | gotoprobe = (last_eval_cx ? |
2662 | last_eval_cx->blk_eval.old_eval_root : | |
2663 | PL_eval_root); | |
2664 | last_eval_cx = cx; | |
9c5794fe RH |
2665 | break; |
2666 | } | |
2667 | /* else fall through */ | |
c6fdafd0 | 2668 | case CXt_LOOP_LAZYIV: |
d01136d6 | 2669 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
2670 | case CXt_LOOP_FOR: |
2671 | case CXt_LOOP_PLAIN: | |
bb5aedc1 VP |
2672 | case CXt_GIVEN: |
2673 | case CXt_WHEN: | |
a0d0e21e LW |
2674 | gotoprobe = cx->blk_oldcop->op_sibling; |
2675 | break; | |
2676 | case CXt_SUBST: | |
2677 | continue; | |
2678 | case CXt_BLOCK: | |
33d34e4c | 2679 | if (ix) { |
a0d0e21e | 2680 | gotoprobe = cx->blk_oldcop->op_sibling; |
33d34e4c AE |
2681 | in_block = TRUE; |
2682 | } else | |
3280af22 | 2683 | gotoprobe = PL_main_root; |
a0d0e21e | 2684 | break; |
b3933176 | 2685 | case CXt_SUB: |
9850bf21 | 2686 | if (CvDEPTH(cx->blk_sub.cv) && !CxMULTICALL(cx)) { |
b3933176 CS |
2687 | gotoprobe = CvROOT(cx->blk_sub.cv); |
2688 | break; | |
2689 | } | |
2690 | /* FALL THROUGH */ | |
7766f137 | 2691 | case CXt_FORMAT: |
0a753a76 | 2692 | case CXt_NULL: |
a651a37d | 2693 | DIE(aTHX_ "Can't \"goto\" out of a pseudo block"); |
a0d0e21e LW |
2694 | default: |
2695 | if (ix) | |
cea2e8a9 | 2696 | DIE(aTHX_ "panic: goto"); |
3280af22 | 2697 | gotoprobe = PL_main_root; |
a0d0e21e LW |
2698 | break; |
2699 | } | |
2b597662 GS |
2700 | if (gotoprobe) { |
2701 | retop = dofindlabel(gotoprobe, label, | |
2702 | enterops, enterops + GOTO_DEPTH); | |
2703 | if (retop) | |
2704 | break; | |
2705 | } | |
3280af22 | 2706 | PL_lastgotoprobe = gotoprobe; |
a0d0e21e LW |
2707 | } |
2708 | if (!retop) | |
cea2e8a9 | 2709 | DIE(aTHX_ "Can't find label %s", label); |
a0d0e21e | 2710 | |
3b2447bc RH |
2711 | /* if we're leaving an eval, check before we pop any frames |
2712 | that we're not going to punt, otherwise the error | |
2713 | won't be caught */ | |
2714 | ||
2715 | if (leaving_eval && *enterops && enterops[1]) { | |
2716 | I32 i; | |
2717 | for (i = 1; enterops[i]; i++) | |
2718 | if (enterops[i]->op_type == OP_ENTERITER) | |
2719 | DIE(aTHX_ "Can't \"goto\" into the middle of a foreach loop"); | |
2720 | } | |
2721 | ||
b500e03b GG |
2722 | if (*enterops && enterops[1]) { |
2723 | I32 i = enterops[1]->op_type == OP_ENTER && in_block ? 2 : 1; | |
2724 | if (enterops[i]) | |
2725 | deprecate("\"goto\" to jump into a construct"); | |
2726 | } | |
2727 | ||
a0d0e21e LW |
2728 | /* pop unwanted frames */ |
2729 | ||
2730 | if (ix < cxstack_ix) { | |
2731 | I32 oldsave; | |
2732 | ||
2733 | if (ix < 0) | |
2734 | ix = 0; | |
2735 | dounwind(ix); | |
2736 | TOPBLOCK(cx); | |
3280af22 | 2737 | oldsave = PL_scopestack[PL_scopestack_ix]; |
a0d0e21e LW |
2738 | LEAVE_SCOPE(oldsave); |
2739 | } | |
2740 | ||
2741 | /* push wanted frames */ | |
2742 | ||
748a9306 | 2743 | if (*enterops && enterops[1]) { |
0bd48802 | 2744 | OP * const oldop = PL_op; |
33d34e4c AE |
2745 | ix = enterops[1]->op_type == OP_ENTER && in_block ? 2 : 1; |
2746 | for (; enterops[ix]; ix++) { | |
533c011a | 2747 | PL_op = enterops[ix]; |
84902520 TB |
2748 | /* Eventually we may want to stack the needed arguments |
2749 | * for each op. For now, we punt on the hard ones. */ | |
533c011a | 2750 | if (PL_op->op_type == OP_ENTERITER) |
894356b3 | 2751 | DIE(aTHX_ "Can't \"goto\" into the middle of a foreach loop"); |
fc0dc3b3 | 2752 | CALL_FPTR(PL_op->op_ppaddr)(aTHX); |
a0d0e21e | 2753 | } |
533c011a | 2754 | PL_op = oldop; |
a0d0e21e LW |
2755 | } |
2756 | } | |
2757 | ||
2758 | if (do_dump) { | |
a5f75d66 | 2759 | #ifdef VMS |
6b88bc9c | 2760 | if (!retop) retop = PL_main_start; |
a5f75d66 | 2761 | #endif |
3280af22 NIS |
2762 | PL_restartop = retop; |
2763 | PL_do_undump = TRUE; | |
a0d0e21e LW |
2764 | |
2765 | my_unexec(); | |
2766 | ||
3280af22 NIS |
2767 | PL_restartop = 0; /* hmm, must be GNU unexec().. */ |
2768 | PL_do_undump = FALSE; | |
a0d0e21e LW |
2769 | } |
2770 | ||
2771 | RETURNOP(retop); | |
2772 | } | |
2773 | ||
2774 | PP(pp_exit) | |
2775 | { | |
97aff369 | 2776 | dVAR; |
39644a26 | 2777 | dSP; |
a0d0e21e LW |
2778 | I32 anum; |
2779 | ||
2780 | if (MAXARG < 1) | |
2781 | anum = 0; | |
ff0cee69 | 2782 | else { |
a0d0e21e | 2783 | anum = SvIVx(POPs); |
d98f61e7 GS |
2784 | #ifdef VMS |
2785 | if (anum == 1 && (PL_op->op_private & OPpEXIT_VMSISH)) | |
ff0cee69 | 2786 | anum = 0; |
96e176bf | 2787 | VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH); |
ff0cee69 | 2788 | #endif |
2789 | } | |
cc3604b1 | 2790 | PL_exit_flags |= PERL_EXIT_EXPECTED; |
81d86705 NC |
2791 | #ifdef PERL_MAD |
2792 | /* KLUDGE: disable exit 0 in BEGIN blocks when we're just compiling */ | |
2793 | if (anum || !(PL_minus_c && PL_madskills)) | |
2794 | my_exit(anum); | |
2795 | #else | |
a0d0e21e | 2796 | my_exit(anum); |
81d86705 | 2797 | #endif |
3280af22 | 2798 | PUSHs(&PL_sv_undef); |
a0d0e21e LW |
2799 | RETURN; |
2800 | } | |
2801 | ||
a0d0e21e LW |
2802 | /* Eval. */ |
2803 | ||
0824fdcb | 2804 | STATIC void |
cea2e8a9 | 2805 | S_save_lines(pTHX_ AV *array, SV *sv) |
a0d0e21e | 2806 | { |
504618e9 | 2807 | const char *s = SvPVX_const(sv); |
890ce7af | 2808 | const char * const send = SvPVX_const(sv) + SvCUR(sv); |
504618e9 | 2809 | I32 line = 1; |
a0d0e21e | 2810 | |
7918f24d NC |
2811 | PERL_ARGS_ASSERT_SAVE_LINES; |
2812 | ||
a0d0e21e | 2813 | while (s && s < send) { |
f54cb97a | 2814 | const char *t; |
b9f83d2f | 2815 | SV * const tmpstr = newSV_type(SVt_PVMG); |
a0d0e21e | 2816 | |
1d963ff3 | 2817 | t = (const char *)memchr(s, '\n', send - s); |
a0d0e21e LW |
2818 | if (t) |
2819 | t++; | |
2820 | else | |
2821 | t = send; | |
2822 | ||
2823 | sv_setpvn(tmpstr, s, t - s); | |
2824 | av_store(array, line++, tmpstr); | |
2825 | s = t; | |
2826 | } | |
2827 | } | |
2828 | ||
22f16304 RU |
2829 | /* |
2830 | =for apidoc docatch | |
2831 | ||
2832 | Check for the cases 0 or 3 of cur_env.je_ret, only used inside an eval context. | |
2833 | ||
2834 | 0 is used as continue inside eval, | |
2835 | ||
2836 | 3 is used for a die caught by an inner eval - continue inner loop | |
2837 | ||
2838 | See cop.h: je_mustcatch, when set at any runlevel to TRUE, means eval ops must | |
2839 | establish a local jmpenv to handle exception traps. | |
2840 | ||
2841 | =cut | |
2842 | */ | |
0824fdcb | 2843 | STATIC OP * |
cea2e8a9 | 2844 | S_docatch(pTHX_ OP *o) |
1e422769 | 2845 | { |
97aff369 | 2846 | dVAR; |
6224f72b | 2847 | int ret; |
06b5626a | 2848 | OP * const oldop = PL_op; |
db36c5a1 | 2849 | dJMPENV; |
1e422769 | 2850 | |
1e422769 | 2851 | #ifdef DEBUGGING |
54310121 | 2852 | assert(CATCH_GET == TRUE); |
1e422769 | 2853 | #endif |
312caa8e | 2854 | PL_op = o; |
8bffa5f8 | 2855 | |
14dd3ad8 | 2856 | JMPENV_PUSH(ret); |
6224f72b | 2857 | switch (ret) { |
312caa8e | 2858 | case 0: |
abd70938 DM |
2859 | assert(cxstack_ix >= 0); |
2860 | assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_EVAL); | |
2861 | cxstack[cxstack_ix].blk_eval.cur_top_env = PL_top_env; | |
14dd3ad8 | 2862 | redo_body: |
85aaa934 | 2863 | CALLRUNOPS(aTHX); |
312caa8e CS |
2864 | break; |
2865 | case 3: | |
8bffa5f8 | 2866 | /* die caught by an inner eval - continue inner loop */ |
febb3a6d Z |
2867 | if (PL_restartop && PL_restartjmpenv == PL_top_env) { |
2868 | PL_restartjmpenv = NULL; | |
312caa8e CS |
2869 | PL_op = PL_restartop; |
2870 | PL_restartop = 0; | |
2871 | goto redo_body; | |
2872 | } | |
2873 | /* FALL THROUGH */ | |
2874 | default: | |
14dd3ad8 | 2875 | JMPENV_POP; |
533c011a | 2876 | PL_op = oldop; |
6224f72b | 2877 | JMPENV_JUMP(ret); |
1e422769 | 2878 | /* NOTREACHED */ |
1e422769 | 2879 | } |
14dd3ad8 | 2880 | JMPENV_POP; |
533c011a | 2881 | PL_op = oldop; |
5f66b61c | 2882 | return NULL; |
1e422769 | 2883 | } |
2884 | ||
ee23ad3b NC |
2885 | /* James Bond: Do you expect me to talk? |
2886 | Auric Goldfinger: No, Mr. Bond. I expect you to die. | |
2887 | ||
2888 | This code is an ugly hack, doesn't work with lexicals in subroutines that are | |
2889 | called more than once, and is only used by regcomp.c, for (?{}) blocks. | |
2890 | ||
2891 | Currently it is not used outside the core code. Best if it stays that way. | |
2892 | */ | |
c277df42 | 2893 | OP * |
bfed75c6 | 2894 | Perl_sv_compile_2op(pTHX_ SV *sv, OP** startop, const char *code, PAD** padp) |
c277df42 IZ |
2895 | /* sv Text to convert to OP tree. */ |
2896 | /* startop op_free() this to undo. */ | |
2897 | /* code Short string id of the caller. */ | |
2898 | { | |
27da23d5 | 2899 | dVAR; dSP; /* Make POPBLOCK work. */ |
c277df42 IZ |
2900 | PERL_CONTEXT *cx; |
2901 | SV **newsp; | |
b094c71d | 2902 | I32 gimme = G_VOID; |
c277df42 IZ |
2903 | I32 optype; |
2904 | OP dummy; | |
83ee9e09 GS |
2905 | char tbuf[TYPE_DIGITS(long) + 12 + 10]; |
2906 | char *tmpbuf = tbuf; | |
c277df42 | 2907 | char *safestr; |
a3985cdc | 2908 | int runtime; |
601f1833 | 2909 | CV* runcv = NULL; /* initialise to avoid compiler warnings */ |
f7997f86 | 2910 | STRLEN len; |
c277df42 | 2911 | |
7918f24d NC |
2912 | PERL_ARGS_ASSERT_SV_COMPILE_2OP; |
2913 | ||
d343c3ef | 2914 | ENTER_with_name("eval"); |
5486870f | 2915 | lex_start(sv, NULL, FALSE); |
c277df42 IZ |
2916 | SAVETMPS; |
2917 | /* switch to eval mode */ | |
2918 | ||
923e4eb5 | 2919 | if (IN_PERL_COMPILETIME) { |
f4dd75d9 | 2920 | SAVECOPSTASH_FREE(&PL_compiling); |
11faa288 | 2921 | CopSTASH_set(&PL_compiling, PL_curstash); |
cbce877f | 2922 | } |
83ee9e09 | 2923 | if (PERLDB_NAMEEVAL && CopLINE(PL_curcop)) { |
9d4ba2ae | 2924 | SV * const sv = sv_newmortal(); |
83ee9e09 GS |
2925 | Perl_sv_setpvf(aTHX_ sv, "_<(%.10seval %lu)[%s:%"IVdf"]", |
2926 | code, (unsigned long)++PL_evalseq, | |
2927 | CopFILE(PL_curcop), (IV)CopLINE(PL_curcop)); | |
2928 | tmpbuf = SvPVX(sv); | |
fc009855 | 2929 | len = SvCUR(sv); |
83ee9e09 GS |
2930 | } |
2931 | else | |
d9fad198 JH |
2932 | len = my_snprintf(tmpbuf, sizeof(tbuf), "_<(%.10s_eval %lu)", code, |
2933 | (unsigned long)++PL_evalseq); | |
f4dd75d9 | 2934 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 2935 | CopFILE_set(&PL_compiling, tmpbuf+2); |
f4dd75d9 | 2936 | SAVECOPLINE(&PL_compiling); |
57843af0 | 2937 | CopLINE_set(&PL_compiling, 1); |
c277df42 IZ |
2938 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
2939 | deleting the eval's FILEGV from the stash before gv_check() runs | |
2940 | (i.e. before run-time proper). To work around the coredump that | |
2941 | ensues, we always turn GvMULTI_on for any globals that were | |
2942 | introduced within evals. See force_ident(). GSAR 96-10-12 */ | |
f7997f86 NC |
2943 | safestr = savepvn(tmpbuf, len); |
2944 | SAVEDELETE(PL_defstash, safestr, len); | |
b3ac6de7 | 2945 | SAVEHINTS(); |
d1ca3daa | 2946 | #ifdef OP_IN_REGISTER |
6b88bc9c | 2947 | PL_opsave = op; |
d1ca3daa | 2948 | #else |
7766f137 | 2949 | SAVEVPTR(PL_op); |
d1ca3daa | 2950 | #endif |
c277df42 | 2951 | |
a3985cdc | 2952 | /* we get here either during compilation, or via pp_regcomp at runtime */ |
923e4eb5 | 2953 | runtime = IN_PERL_RUNTIME; |
a3985cdc | 2954 | if (runtime) |
d819b83a | 2955 | runcv = find_runcv(NULL); |
a3985cdc | 2956 | |
533c011a | 2957 | PL_op = &dummy; |
13b51b79 | 2958 | PL_op->op_type = OP_ENTEREVAL; |
533c011a | 2959 | PL_op->op_flags = 0; /* Avoid uninit warning. */ |
923e4eb5 | 2960 | PUSHBLOCK(cx, CXt_EVAL|(IN_PERL_COMPILETIME ? 0 : CXp_REAL), SP); |
6b75f042 | 2961 | PUSHEVAL(cx, 0); |
a3985cdc DM |
2962 | |
2963 | if (runtime) | |
410be5db | 2964 | (void) doeval(G_SCALAR, startop, runcv, PL_curcop->cop_seq); |
a3985cdc | 2965 | else |
410be5db | 2966 | (void) doeval(G_SCALAR, startop, PL_compcv, PL_cop_seqmax); |
13b51b79 | 2967 | POPBLOCK(cx,PL_curpm); |
e84b9f1f | 2968 | POPEVAL(cx); |
c277df42 IZ |
2969 | |
2970 | (*startop)->op_type = OP_NULL; | |
22c35a8c | 2971 | (*startop)->op_ppaddr = PL_ppaddr[OP_NULL]; |
c277df42 | 2972 | lex_end(); |
f3548bdc | 2973 | /* XXX DAPM do this properly one year */ |
502c6561 | 2974 | *padp = MUTABLE_AV(SvREFCNT_inc_simple(PL_comppad)); |
d343c3ef | 2975 | LEAVE_with_name("eval"); |
923e4eb5 | 2976 | if (IN_PERL_COMPILETIME) |
623e6609 | 2977 | CopHINTS_set(&PL_compiling, PL_hints); |
d1ca3daa | 2978 | #ifdef OP_IN_REGISTER |
6b88bc9c | 2979 | op = PL_opsave; |
d1ca3daa | 2980 | #endif |
9d4ba2ae AL |
2981 | PERL_UNUSED_VAR(newsp); |
2982 | PERL_UNUSED_VAR(optype); | |
2983 | ||
410be5db | 2984 | return PL_eval_start; |
c277df42 IZ |
2985 | } |
2986 | ||
a3985cdc DM |
2987 | |
2988 | /* | |
2989 | =for apidoc find_runcv | |
2990 | ||
2991 | Locate the CV corresponding to the currently executing sub or eval. | |
d819b83a DM |
2992 | If db_seqp is non_null, skip CVs that are in the DB package and populate |
2993 | *db_seqp with the cop sequence number at the point that the DB:: code was | |
2994 | entered. (allows debuggers to eval in the scope of the breakpoint rather | |
cf525c36 | 2995 | than in the scope of the debugger itself). |
a3985cdc DM |
2996 | |
2997 | =cut | |
2998 | */ | |
2999 | ||
3000 | CV* | |
d819b83a | 3001 | Perl_find_runcv(pTHX_ U32 *db_seqp) |
a3985cdc | 3002 | { |
97aff369 | 3003 | dVAR; |
a3985cdc | 3004 | PERL_SI *si; |
a3985cdc | 3005 | |
d819b83a DM |
3006 | if (db_seqp) |
3007 | *db_seqp = PL_curcop->cop_seq; | |
a3985cdc | 3008 | for (si = PL_curstackinfo; si; si = si->si_prev) { |
06b5626a | 3009 | I32 ix; |
a3985cdc | 3010 | for (ix = si->si_cxix; ix >= 0; ix--) { |
06b5626a | 3011 | const PERL_CONTEXT *cx = &(si->si_cxstack[ix]); |
d819b83a | 3012 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
1b6737cc | 3013 | CV * const cv = cx->blk_sub.cv; |
d819b83a DM |
3014 | /* skip DB:: code */ |
3015 | if (db_seqp && PL_debstash && CvSTASH(cv) == PL_debstash) { | |
3016 | *db_seqp = cx->blk_oldcop->cop_seq; | |
3017 | continue; | |
3018 | } | |
3019 | return cv; | |
3020 | } | |
a3985cdc DM |
3021 | else if (CxTYPE(cx) == CXt_EVAL && !CxTRYBLOCK(cx)) |
3022 | return PL_compcv; | |
3023 | } | |
3024 | } | |
3025 | return PL_main_cv; | |
3026 | } | |
3027 | ||
3028 | ||
27e90453 DM |
3029 | /* Run yyparse() in a setjmp wrapper. Returns: |
3030 | * 0: yyparse() successful | |
3031 | * 1: yyparse() failed | |
3032 | * 3: yyparse() died | |
3033 | */ | |
3034 | STATIC int | |
3035 | S_try_yyparse(pTHX) | |
3036 | { | |
3037 | int ret; | |
3038 | dJMPENV; | |
3039 | ||
3040 | assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_EVAL); | |
3041 | JMPENV_PUSH(ret); | |
3042 | switch (ret) { | |
3043 | case 0: | |
3044 | ret = yyparse() ? 1 : 0; | |
3045 | break; | |
3046 | case 3: | |
3047 | break; | |
3048 | default: | |
3049 | JMPENV_POP; | |
3050 | JMPENV_JUMP(ret); | |
3051 | /* NOTREACHED */ | |
3052 | } | |
3053 | JMPENV_POP; | |
3054 | return ret; | |
3055 | } | |
3056 | ||
3057 | ||
a3985cdc DM |
3058 | /* Compile a require/do, an eval '', or a /(?{...})/. |
3059 | * In the last case, startop is non-null, and contains the address of | |
3060 | * a pointer that should be set to the just-compiled code. | |
3061 | * outside is the lexically enclosing CV (if any) that invoked us. | |
410be5db DM |
3062 | * Returns a bool indicating whether the compile was successful; if so, |
3063 | * PL_eval_start contains the first op of the compiled ocde; otherwise, | |
3064 | * pushes undef (also croaks if startop != NULL). | |
a3985cdc DM |
3065 | */ |
3066 | ||
410be5db | 3067 | STATIC bool |
a3985cdc | 3068 | S_doeval(pTHX_ int gimme, OP** startop, CV* outside, U32 seq) |
a0d0e21e | 3069 | { |
27da23d5 | 3070 | dVAR; dSP; |
46c461b5 | 3071 | OP * const saveop = PL_op; |
27e90453 DM |
3072 | bool in_require = (saveop && saveop->op_type == OP_REQUIRE); |
3073 | int yystatus; | |
a0d0e21e | 3074 | |
27e90453 | 3075 | PL_in_eval = (in_require |
6dc8a9e4 IZ |
3076 | ? (EVAL_INREQUIRE | (PL_in_eval & EVAL_INEVAL)) |
3077 | : EVAL_INEVAL); | |
a0d0e21e | 3078 | |
1ce6579f | 3079 | PUSHMARK(SP); |
3080 | ||
3280af22 | 3081 | SAVESPTR(PL_compcv); |
ea726b52 | 3082 | PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
1aff0e91 | 3083 | CvEVAL_on(PL_compcv); |
2090ab20 JH |
3084 | assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_EVAL); |
3085 | cxstack[cxstack_ix].blk_eval.cv = PL_compcv; | |
3086 | ||
a3985cdc | 3087 | CvOUTSIDE_SEQ(PL_compcv) = seq; |
ea726b52 | 3088 | CvOUTSIDE(PL_compcv) = MUTABLE_CV(SvREFCNT_inc_simple(outside)); |
a3985cdc | 3089 | |
dd2155a4 | 3090 | /* set up a scratch pad */ |
a0d0e21e | 3091 | |
dd2155a4 | 3092 | CvPADLIST(PL_compcv) = pad_new(padnew_SAVE); |
cecbe010 | 3093 | PL_op = NULL; /* avoid PL_op and PL_curpad referring to different CVs */ |
2c05e328 | 3094 | |
07055b4c | 3095 | |
81d86705 NC |
3096 | if (!PL_madskills) |
3097 | SAVEMORTALIZESV(PL_compcv); /* must remain until end of current statement */ | |
748a9306 | 3098 | |
a0d0e21e LW |
3099 | /* make sure we compile in the right package */ |
3100 | ||
ed094faf | 3101 | if (CopSTASH_ne(PL_curcop, PL_curstash)) { |
3280af22 | 3102 | SAVESPTR(PL_curstash); |
ed094faf | 3103 | PL_curstash = CopSTASH(PL_curcop); |
a0d0e21e | 3104 | } |
3c10abe3 | 3105 | /* XXX:ajgo do we really need to alloc an AV for begin/checkunit */ |
3280af22 NIS |
3106 | SAVESPTR(PL_beginav); |
3107 | PL_beginav = newAV(); | |
3108 | SAVEFREESV(PL_beginav); | |
3c10abe3 AG |
3109 | SAVESPTR(PL_unitcheckav); |
3110 | PL_unitcheckav = newAV(); | |
3111 | SAVEFREESV(PL_unitcheckav); | |
a0d0e21e | 3112 | |
81d86705 | 3113 | #ifdef PERL_MAD |
9da243ce | 3114 | SAVEBOOL(PL_madskills); |
81d86705 NC |
3115 | PL_madskills = 0; |
3116 | #endif | |
3117 | ||
a0d0e21e LW |
3118 | /* try to compile it */ |
3119 | ||
5f66b61c | 3120 | PL_eval_root = NULL; |
3280af22 | 3121 | PL_curcop = &PL_compiling; |
fc15ae8f | 3122 | CopARYBASE_set(PL_curcop, 0); |
5f66b61c | 3123 | if (saveop && (saveop->op_type != OP_REQUIRE) && (saveop->op_flags & OPf_SPECIAL)) |
faef0170 | 3124 | PL_in_eval |= EVAL_KEEPERR; |
ab69dbc2 RGS |
3125 | else |
3126 | CLEAR_ERRSV(); | |
27e90453 DM |
3127 | |
3128 | /* note that yyparse() may raise an exception, e.g. C<BEGIN{die}>, | |
3129 | * so honour CATCH_GET and trap it here if necessary */ | |
3130 | ||
3131 | yystatus = (!in_require && CATCH_GET) ? S_try_yyparse(aTHX) : yyparse(); | |
3132 | ||
3133 | if (yystatus || PL_parser->error_count || !PL_eval_root) { | |
0c58d367 | 3134 | SV **newsp; /* Used by POPBLOCK. */ |
b6494f15 | 3135 | PERL_CONTEXT *cx = NULL; |
27e90453 | 3136 | I32 optype; /* Used by POPEVAL. */ |
b6494f15 | 3137 | SV *namesv = NULL; |
9d4ba2ae | 3138 | const char *msg; |
bfed75c6 | 3139 | |
27e90453 DM |
3140 | PERL_UNUSED_VAR(newsp); |
3141 | PERL_UNUSED_VAR(optype); | |
3142 | ||
c86ffc32 DM |
3143 | /* note that if yystatus == 3, then the EVAL CX block has already |
3144 | * been popped, and various vars restored */ | |
533c011a | 3145 | PL_op = saveop; |
27e90453 | 3146 | if (yystatus != 3) { |
c86ffc32 DM |
3147 | if (PL_eval_root) { |
3148 | op_free(PL_eval_root); | |
3149 | PL_eval_root = NULL; | |
3150 | } | |
27e90453 DM |
3151 | SP = PL_stack_base + POPMARK; /* pop original mark */ |
3152 | if (!startop) { | |
3153 | POPBLOCK(cx,PL_curpm); | |
3154 | POPEVAL(cx); | |
b6494f15 | 3155 | namesv = cx->blk_eval.old_namesv; |
27e90453 | 3156 | } |
c277df42 | 3157 | } |
a0d0e21e | 3158 | lex_end(); |
27e90453 DM |
3159 | if (yystatus != 3) |
3160 | LEAVE_with_name("eval"); /* pp_entereval knows about this LEAVE. */ | |
9d4ba2ae AL |
3161 | |
3162 | msg = SvPVx_nolen_const(ERRSV); | |
27e90453 | 3163 | if (in_require) { |
b6494f15 VP |
3164 | if (!cx) { |
3165 | /* If cx is still NULL, it means that we didn't go in the | |
3166 | * POPEVAL branch. */ | |
3167 | cx = &cxstack[cxstack_ix]; | |
3168 | assert(CxTYPE(cx) == CXt_EVAL); | |
3169 | namesv = cx->blk_eval.old_namesv; | |
3170 | } | |
3171 | (void)hv_store(GvHVn(PL_incgv), | |
3172 | SvPVX_const(namesv), SvCUR(namesv), | |
3173 | &PL_sv_undef, 0); | |
58d3fd3b SH |
3174 | Perl_croak(aTHX_ "%sCompilation failed in require", |
3175 | *msg ? msg : "Unknown error\n"); | |
5a844595 GS |
3176 | } |
3177 | else if (startop) { | |
27e90453 DM |
3178 | if (yystatus != 3) { |
3179 | POPBLOCK(cx,PL_curpm); | |
3180 | POPEVAL(cx); | |
3181 | } | |
5a844595 GS |
3182 | Perl_croak(aTHX_ "%sCompilation failed in regexp", |
3183 | (*msg ? msg : "Unknown error\n")); | |
7a2e2cd6 | 3184 | } |
9d7f88dd | 3185 | else { |
9d7f88dd | 3186 | if (!*msg) { |
6502358f | 3187 | sv_setpvs(ERRSV, "Compilation error"); |
9d7f88dd SR |
3188 | } |
3189 | } | |
410be5db DM |
3190 | PUSHs(&PL_sv_undef); |
3191 | PUTBACK; | |
3192 | return FALSE; | |
a0d0e21e | 3193 | } |
57843af0 | 3194 | CopLINE_set(&PL_compiling, 0); |
c277df42 | 3195 | if (startop) { |
3280af22 | 3196 | *startop = PL_eval_root; |
c277df42 | 3197 | } else |
3280af22 | 3198 | SAVEFREEOP(PL_eval_root); |
0c58d367 RGS |
3199 | |
3200 | /* Set the context for this new optree. | |
021f53de GG |
3201 | * Propagate the context from the eval(). */ |
3202 | if ((gimme & G_WANT) == G_VOID) | |
3280af22 | 3203 | scalarvoid(PL_eval_root); |
7df0357e | 3204 | else if ((gimme & G_WANT) == G_ARRAY) |
3280af22 | 3205 | list(PL_eval_root); |
a0d0e21e | 3206 | else |
3280af22 | 3207 | scalar(PL_eval_root); |
a0d0e21e LW |
3208 | |
3209 | DEBUG_x(dump_eval()); | |
3210 | ||
55497cff | 3211 | /* Register with debugger: */ |
6482a30d | 3212 | if (PERLDB_INTER && saveop && saveop->op_type == OP_REQUIRE) { |
b96d8cd9 | 3213 | CV * const cv = get_cvs("DB::postponed", 0); |
55497cff | 3214 | if (cv) { |
3215 | dSP; | |
924508f0 | 3216 | PUSHMARK(SP); |
ad64d0ec | 3217 | XPUSHs(MUTABLE_SV(CopFILEGV(&PL_compiling))); |
55497cff | 3218 | PUTBACK; |
ad64d0ec | 3219 | call_sv(MUTABLE_SV(cv), G_DISCARD); |
55497cff | 3220 | } |
3221 | } | |
3222 | ||
3c10abe3 AG |
3223 | if (PL_unitcheckav) |
3224 | call_list(PL_scopestack_ix, PL_unitcheckav); | |
3225 | ||
a0d0e21e LW |
3226 | /* compiled okay, so do it */ |
3227 | ||
3280af22 NIS |
3228 | CvDEPTH(PL_compcv) = 1; |
3229 | SP = PL_stack_base + POPMARK; /* pop original mark */ | |
533c011a | 3230 | PL_op = saveop; /* The caller may need it. */ |
bc177e6b | 3231 | PL_parser->lex_state = LEX_NOTPARSING; /* $^S needs this. */ |
5dc0d613 | 3232 | |
410be5db DM |
3233 | PUTBACK; |
3234 | return TRUE; | |
a0d0e21e LW |
3235 | } |
3236 | ||
a6c40364 | 3237 | STATIC PerlIO * |
0786552a | 3238 | S_check_type_and_open(pTHX_ const char *name) |
ce8abf5f SP |
3239 | { |
3240 | Stat_t st; | |
c445ea15 | 3241 | const int st_rc = PerlLIO_stat(name, &st); |
df528165 | 3242 | |
7918f24d NC |
3243 | PERL_ARGS_ASSERT_CHECK_TYPE_AND_OPEN; |
3244 | ||
6b845e56 | 3245 | if (st_rc < 0 || S_ISDIR(st.st_mode) || S_ISBLK(st.st_mode)) { |
4608196e | 3246 | return NULL; |
ce8abf5f SP |
3247 | } |
3248 | ||
0786552a | 3249 | return PerlIO_open(name, PERL_SCRIPT_MODE); |
ce8abf5f SP |
3250 | } |
3251 | ||
75c20bac | 3252 | #ifndef PERL_DISABLE_PMC |
ce8abf5f | 3253 | STATIC PerlIO * |
0786552a | 3254 | S_doopen_pm(pTHX_ const char *name, const STRLEN namelen) |
b295d113 | 3255 | { |
b295d113 TH |
3256 | PerlIO *fp; |
3257 | ||
7918f24d NC |
3258 | PERL_ARGS_ASSERT_DOOPEN_PM; |
3259 | ||
ce9440c8 | 3260 | if (namelen > 3 && memEQs(name + namelen - 3, 3, ".pm")) { |
50b8ed39 NC |
3261 | SV *const pmcsv = newSV(namelen + 2); |
3262 | char *const pmc = SvPVX(pmcsv); | |
a6c40364 | 3263 | Stat_t pmcstat; |
50b8ed39 NC |
3264 | |
3265 | memcpy(pmc, name, namelen); | |
3266 | pmc[namelen] = 'c'; | |
3267 | pmc[namelen + 1] = '\0'; | |
3268 | ||
a6c40364 | 3269 | if (PerlLIO_stat(pmc, &pmcstat) < 0) { |
0786552a | 3270 | fp = check_type_and_open(name); |
a6c40364 GS |
3271 | } |
3272 | else { | |
0786552a | 3273 | fp = check_type_and_open(pmc); |
b295d113 | 3274 | } |
a6c40364 GS |
3275 | SvREFCNT_dec(pmcsv); |
3276 | } | |
3277 | else { | |
0786552a | 3278 | fp = check_type_and_open(name); |
b295d113 | 3279 | } |
b295d113 | 3280 | return fp; |
75c20bac | 3281 | } |
7925835c | 3282 | #else |
75c20bac | 3283 | # define doopen_pm(name, namelen) check_type_and_open(name) |
7925835c | 3284 | #endif /* !PERL_DISABLE_PMC */ |
b295d113 | 3285 | |
a0d0e21e LW |
3286 | PP(pp_require) |
3287 | { | |
27da23d5 | 3288 | dVAR; dSP; |
c09156bb | 3289 | register PERL_CONTEXT *cx; |
a0d0e21e | 3290 | SV *sv; |
5c144d81 | 3291 | const char *name; |
6132ea6c | 3292 | STRLEN len; |
4492be7a JM |
3293 | char * unixname; |
3294 | STRLEN unixlen; | |
62f5ad7a | 3295 | #ifdef VMS |
4492be7a | 3296 | int vms_unixname = 0; |
62f5ad7a | 3297 | #endif |
c445ea15 AL |
3298 | const char *tryname = NULL; |
3299 | SV *namesv = NULL; | |
f54cb97a | 3300 | const I32 gimme = GIMME_V; |
bbed91b5 | 3301 | int filter_has_file = 0; |
c445ea15 | 3302 | PerlIO *tryrsfp = NULL; |
34113e50 | 3303 | SV *filter_cache = NULL; |
c445ea15 AL |
3304 | SV *filter_state = NULL; |
3305 | SV *filter_sub = NULL; | |
3306 | SV *hook_sv = NULL; | |
6ec9efec JH |
3307 | SV *encoding; |
3308 | OP *op; | |
a0d0e21e LW |
3309 | |
3310 | sv = POPs; | |
d7aa5382 | 3311 | if ( (SvNIOKp(sv) || SvVOK(sv)) && PL_op->op_type != OP_DOFILE) { |
d7aa5382 JP |
3312 | sv = new_version(sv); |
3313 | if (!sv_derived_from(PL_patchlevel, "version")) | |
ac0e6a2f | 3314 | upg_version(PL_patchlevel, TRUE); |
149c1637 | 3315 | if (cUNOP->op_first->op_type == OP_CONST && cUNOP->op_first->op_private & OPpCONST_NOVER) { |
3cacfbb9 | 3316 | if ( vcmp(sv,PL_patchlevel) <= 0 ) |
468aa647 | 3317 | DIE(aTHX_ "Perls since %"SVf" too modern--this is %"SVf", stopped", |
be2597df | 3318 | SVfARG(vnormal(sv)), SVfARG(vnormal(PL_patchlevel))); |
468aa647 RGS |
3319 | } |
3320 | else { | |
d1029faa JP |
3321 | if ( vcmp(sv,PL_patchlevel) > 0 ) { |
3322 | I32 first = 0; | |
3323 | AV *lav; | |
3324 | SV * const req = SvRV(sv); | |
85fbaab2 | 3325 | SV * const pv = *hv_fetchs(MUTABLE_HV(req), "original", FALSE); |
d1029faa JP |
3326 | |
3327 | /* get the left hand term */ | |
502c6561 | 3328 | lav = MUTABLE_AV(SvRV(*hv_fetchs(MUTABLE_HV(req), "version", FALSE))); |
d1029faa JP |
3329 | |
3330 | first = SvIV(*av_fetch(lav,0,0)); | |
3331 | if ( first > (int)PERL_REVISION /* probably 'use 6.0' */ | |
85fbaab2 | 3332 | || hv_exists(MUTABLE_HV(req), "qv", 2 ) /* qv style */ |
d1029faa JP |
3333 | || av_len(lav) > 1 /* FP with > 3 digits */ |
3334 | || strstr(SvPVX(pv),".0") /* FP with leading 0 */ | |
3335 | ) { | |
3336 | DIE(aTHX_ "Perl %"SVf" required--this is only " | |
3337 | "%"SVf", stopped", SVfARG(vnormal(req)), | |
3338 | SVfARG(vnormal(PL_patchlevel))); | |
3339 | } | |
3340 | else { /* probably 'use 5.10' or 'use 5.8' */ | |
af61dbfd | 3341 | SV *hintsv; |
d1029faa JP |
3342 | I32 second = 0; |
3343 | ||
3344 | if (av_len(lav)>=1) | |
3345 | second = SvIV(*av_fetch(lav,1,0)); | |
3346 | ||
3347 | second /= second >= 600 ? 100 : 10; | |
af61dbfd NC |
3348 | hintsv = Perl_newSVpvf(aTHX_ "v%d.%d.0", |
3349 | (int)first, (int)second); | |
d1029faa JP |
3350 | upg_version(hintsv, TRUE); |
3351 | ||
3352 | DIE(aTHX_ "Perl %"SVf" required (did you mean %"SVf"?)" | |
3353 | "--this is only %"SVf", stopped", | |
3354 | SVfARG(vnormal(req)), | |
af61dbfd | 3355 | SVfARG(vnormal(sv_2mortal(hintsv))), |
d1029faa JP |
3356 | SVfARG(vnormal(PL_patchlevel))); |
3357 | } | |
3358 | } | |
468aa647 | 3359 | } |
d7aa5382 | 3360 | |
faee19b5 | 3361 | /* We do this only with "use", not "require" or "no". */ |
fbc891ce | 3362 | if (PL_compcv && |
faee19b5 | 3363 | !(cUNOP->op_first->op_private & OPpCONST_NOVER) && |
fbc891ce RB |
3364 | /* If we request a version >= 5.9.5, load feature.pm with the |
3365 | * feature bundle that corresponds to the required version. */ | |
2e8342de | 3366 | vcmp(sv, sv_2mortal(upg_version(newSVnv(5.009005), FALSE))) >= 0) { |
7dfde25d RGS |
3367 | SV *const importsv = vnormal(sv); |
3368 | *SvPVX_mutable(importsv) = ':'; | |
d343c3ef | 3369 | ENTER_with_name("load_feature"); |
7dfde25d | 3370 | Perl_load_module(aTHX_ 0, newSVpvs("feature"), NULL, importsv, NULL); |
d343c3ef | 3371 | LEAVE_with_name("load_feature"); |
7dfde25d | 3372 | } |
53eb19dd S |
3373 | /* If a version >= 5.11.0 is requested, strictures are on by default! */ |
3374 | if (PL_compcv && | |
3375 | vcmp(sv, sv_2mortal(upg_version(newSVnv(5.011000), FALSE))) >= 0) { | |
5cc917d6 | 3376 | PL_hints |= (HINT_STRICT_REFS | HINT_STRICT_SUBS | HINT_STRICT_VARS); |
53eb19dd S |
3377 | } |
3378 | ||
7dfde25d | 3379 | RETPUSHYES; |
a0d0e21e | 3380 | } |
5c144d81 | 3381 | name = SvPV_const(sv, len); |
6132ea6c | 3382 | if (!(name && len > 0 && *name)) |
cea2e8a9 | 3383 | DIE(aTHX_ "Null filename used"); |
4633a7c4 | 3384 | TAINT_PROPER("require"); |
4492be7a JM |
3385 | |
3386 | ||
3387 | #ifdef VMS | |
3388 | /* The key in the %ENV hash is in the syntax of file passed as the argument | |
3389 | * usually this is in UNIX format, but sometimes in VMS format, which | |
3390 | * can result in a module being pulled in more than once. | |
3391 | * To prevent this, the key must be stored in UNIX format if the VMS | |
3392 | * name can be translated to UNIX. | |
3393 | */ | |
3394 | if ((unixname = tounixspec(name, NULL)) != NULL) { | |
3395 | unixlen = strlen(unixname); | |
3396 | vms_unixname = 1; | |
3397 | } | |
3398 | else | |
3399 | #endif | |
3400 | { | |
3401 | /* if not VMS or VMS name can not be translated to UNIX, pass it | |
3402 | * through. | |
3403 | */ | |
3404 | unixname = (char *) name; | |
3405 | unixlen = len; | |
3406 | } | |
44f8325f | 3407 | if (PL_op->op_type == OP_REQUIRE) { |
4492be7a JM |
3408 | SV * const * const svp = hv_fetch(GvHVn(PL_incgv), |
3409 | unixname, unixlen, 0); | |
44f8325f AL |
3410 | if ( svp ) { |
3411 | if (*svp != &PL_sv_undef) | |
3412 | RETPUSHYES; | |
3413 | else | |
087b5369 RD |
3414 | DIE(aTHX_ "Attempt to reload %s aborted.\n" |
3415 | "Compilation failed in require", unixname); | |
44f8325f | 3416 | } |
4d8b06f1 | 3417 | } |
a0d0e21e LW |
3418 | |
3419 | /* prepare to compile file */ | |
3420 | ||
be4b629d | 3421 | if (path_is_absolute(name)) { |
46fc3d4c | 3422 | tryname = name; |
0786552a | 3423 | tryrsfp = doopen_pm(name, len); |
bf4acbe4 | 3424 | } |
be4b629d | 3425 | if (!tryrsfp) { |
44f8325f | 3426 | AV * const ar = GvAVn(PL_incgv); |
a0d0e21e | 3427 | I32 i; |
748a9306 | 3428 | #ifdef VMS |
4492be7a | 3429 | if (vms_unixname) |
46fc3d4c | 3430 | #endif |
3431 | { | |
d0328fd7 | 3432 | namesv = newSV_type(SVt_PV); |
46fc3d4c | 3433 | for (i = 0; i <= AvFILL(ar); i++) { |
df528165 | 3434 | SV * const dirsv = *av_fetch(ar, i, TRUE); |
bbed91b5 | 3435 | |
ad64d0ec | 3436 | if (SvTIED_mg((const SV *)ar, PERL_MAGIC_tied)) |
c38a6530 | 3437 | mg_get(dirsv); |
bbed91b5 KF |
3438 | if (SvROK(dirsv)) { |
3439 | int count; | |
a3b58a99 | 3440 | SV **svp; |
bbed91b5 KF |
3441 | SV *loader = dirsv; |
3442 | ||
e14e2dc8 NC |
3443 | if (SvTYPE(SvRV(loader)) == SVt_PVAV |
3444 | && !sv_isobject(loader)) | |
3445 | { | |
502c6561 | 3446 | loader = *av_fetch(MUTABLE_AV(SvRV(loader)), 0, TRUE); |
bbed91b5 KF |
3447 | } |
3448 | ||
b900a521 | 3449 | Perl_sv_setpvf(aTHX_ namesv, "/loader/0x%"UVxf"/%s", |
44f0be63 | 3450 | PTR2UV(SvRV(dirsv)), name); |
349d4f2f | 3451 | tryname = SvPVX_const(namesv); |
c445ea15 | 3452 | tryrsfp = NULL; |
bbed91b5 | 3453 | |
d343c3ef | 3454 | ENTER_with_name("call_INC"); |
bbed91b5 KF |
3455 | SAVETMPS; |
3456 | EXTEND(SP, 2); | |
3457 | ||
3458 | PUSHMARK(SP); | |
3459 | PUSHs(dirsv); | |
3460 | PUSHs(sv); | |
3461 | PUTBACK; | |
e982885c NC |
3462 | if (sv_isobject(loader)) |
3463 | count = call_method("INC", G_ARRAY); | |
3464 | else | |
3465 | count = call_sv(loader, G_ARRAY); | |
bbed91b5 KF |
3466 | SPAGAIN; |
3467 | ||
a3b58a99 RGS |
3468 | /* Adjust file name if the hook has set an %INC entry */ |
3469 | svp = hv_fetch(GvHVn(PL_incgv), name, len, 0); | |
3470 | if (svp) | |
d8723a6a | 3471 | tryname = SvPV_nolen_const(*svp); |
a3b58a99 | 3472 | |
bbed91b5 KF |
3473 | if (count > 0) { |
3474 | int i = 0; | |
3475 | SV *arg; | |
3476 | ||
3477 | SP -= count - 1; | |
3478 | arg = SP[i++]; | |
3479 | ||
34113e50 NC |
3480 | if (SvROK(arg) && (SvTYPE(SvRV(arg)) <= SVt_PVLV) |
3481 | && !isGV_with_GP(SvRV(arg))) { | |
3482 | filter_cache = SvRV(arg); | |
74c765eb | 3483 | SvREFCNT_inc_simple_void_NN(filter_cache); |
34113e50 NC |
3484 | |
3485 | if (i < count) { | |
3486 | arg = SP[i++]; | |
3487 | } | |
3488 | } | |
3489 | ||
6e592b3a | 3490 | if (SvROK(arg) && isGV_with_GP(SvRV(arg))) { |
bbed91b5 KF |
3491 | arg = SvRV(arg); |
3492 | } | |
3493 | ||
6e592b3a | 3494 | if (isGV_with_GP(arg)) { |
159b6efe | 3495 | IO * const io = GvIO((const GV *)arg); |
bbed91b5 KF |
3496 | |
3497 | ++filter_has_file; | |
3498 | ||
3499 | if (io) { | |
3500 | tryrsfp = IoIFP(io); | |
0f7de14d NC |
3501 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { |
3502 | PerlIO_close(IoOFP(io)); | |
bbed91b5 | 3503 | } |
0f7de14d NC |
3504 | IoIFP(io) = NULL; |
3505 | IoOFP(io) = NULL; | |
bbed91b5 KF |
3506 | } |
3507 | ||
3508 | if (i < count) { | |
3509 | arg = SP[i++]; | |
3510 | } | |
3511 | } | |
3512 | ||
3513 | if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVCV) { | |
3514 | filter_sub = arg; | |
74c765eb | 3515 | SvREFCNT_inc_simple_void_NN(filter_sub); |
bbed91b5 KF |
3516 | |
3517 | if (i < count) { | |
3518 | filter_state = SP[i]; | |
b37c2d43 | 3519 | SvREFCNT_inc_simple_void(filter_state); |
bbed91b5 | 3520 | } |
34113e50 | 3521 | } |
bbed91b5 | 3522 | |
34113e50 NC |
3523 | if (!tryrsfp && (filter_cache || filter_sub)) { |
3524 | tryrsfp = PerlIO_open(BIT_BUCKET, | |
3525 | PERL_SCRIPT_MODE); | |
bbed91b5 | 3526 | } |
1d06aecd | 3527 | SP--; |
bbed91b5 KF |
3528 | } |
3529 | ||
3530 | PUTBACK; | |
3531 | FREETMPS; | |
d343c3ef | 3532 | LEAVE_with_name("call_INC"); |
bbed91b5 KF |
3533 | |
3534 | if (tryrsfp) { | |
89ccab8c | 3535 | hook_sv = dirsv; |
bbed91b5 KF |
3536 | break; |
3537 | } | |
3538 | ||
3539 | filter_has_file = 0; | |
34113e50 NC |
3540 | if (filter_cache) { |
3541 | SvREFCNT_dec(filter_cache); | |
3542 | filter_cache = NULL; | |
3543 | } | |
bbed91b5 KF |
3544 | if (filter_state) { |
3545 | SvREFCNT_dec(filter_state); | |
c445ea15 | 3546 | filter_state = NULL; |
bbed91b5 KF |
3547 | } |
3548 | if (filter_sub) { | |
3549 | SvREFCNT_dec(filter_sub); | |
c445ea15 | 3550 | filter_sub = NULL; |
bbed91b5 KF |
3551 | } |
3552 | } | |
3553 | else { | |
be4b629d | 3554 | if (!path_is_absolute(name) |
be4b629d | 3555 | ) { |
b640a14a NC |
3556 | const char *dir; |
3557 | STRLEN dirlen; | |
3558 | ||
3559 | if (SvOK(dirsv)) { | |
3560 | dir = SvPV_const(dirsv, dirlen); | |
3561 | } else { | |
3562 | dir = ""; | |
3563 | dirlen = 0; | |
3564 | } | |
3565 | ||
e37778c2 | 3566 | #ifdef VMS |
bbed91b5 | 3567 | char *unixdir; |
c445ea15 | 3568 | if ((unixdir = tounixpath(dir, NULL)) == NULL) |
bbed91b5 KF |
3569 | continue; |
3570 | sv_setpv(namesv, unixdir); | |
3571 | sv_catpv(namesv, unixname); | |
e37778c2 NC |
3572 | #else |
3573 | # ifdef __SYMBIAN32__ | |
27da23d5 JH |
3574 | if (PL_origfilename[0] && |
3575 | PL_origfilename[1] == ':' && | |
3576 | !(dir[0] && dir[1] == ':')) | |
3577 | Perl_sv_setpvf(aTHX_ namesv, | |
3578 | "%c:%s\\%s", | |
3579 | PL_origfilename[0], | |
3580 | dir, name); | |
3581 | else | |
3582 | Perl_sv_setpvf(aTHX_ namesv, | |
3583 | "%s\\%s", | |
3584 | dir, name); | |
e37778c2 | 3585 | # else |
b640a14a NC |
3586 | /* The equivalent of |
3587 | Perl_sv_setpvf(aTHX_ namesv, "%s/%s", dir, name); | |
3588 | but without the need to parse the format string, or | |
3589 | call strlen on either pointer, and with the correct | |
3590 | allocation up front. */ | |
3591 | { | |
3592 | char *tmp = SvGROW(namesv, dirlen + len + 2); | |
3593 | ||
3594 | memcpy(tmp, dir, dirlen); | |
3595 | tmp +=dirlen; | |
3596 | *tmp++ = '/'; | |
3597 | /* name came from an SV, so it will have a '\0' at the | |
3598 | end that we can copy as part of this memcpy(). */ | |
3599 | memcpy(tmp, name, len + 1); | |
3600 | ||
3601 | SvCUR_set(namesv, dirlen + len + 1); | |
3602 | ||
3603 | /* Don't even actually have to turn SvPOK_on() as we | |
3604 | access it directly with SvPVX() below. */ | |
3605 | } | |
27da23d5 | 3606 | # endif |
bf4acbe4 | 3607 | #endif |
bbed91b5 | 3608 | TAINT_PROPER("require"); |
349d4f2f | 3609 | tryname = SvPVX_const(namesv); |
0786552a | 3610 | tryrsfp = doopen_pm(tryname, SvCUR(namesv)); |
bbed91b5 | 3611 | if (tryrsfp) { |
e63be746 RGS |
3612 | if (tryname[0] == '.' && tryname[1] == '/') { |
3613 | ++tryname; | |
3614 | while (*++tryname == '/'); | |
3615 | } | |
bbed91b5 KF |
3616 | break; |
3617 | } | |
ff806af2 DM |
3618 | else if (errno == EMFILE) |
3619 | /* no point in trying other paths if out of handles */ | |
3620 | break; | |
be4b629d | 3621 | } |
46fc3d4c | 3622 | } |
a0d0e21e LW |
3623 | } |
3624 | } | |
3625 | } | |
f4dd75d9 | 3626 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 3627 | CopFILE_set(&PL_compiling, tryrsfp ? tryname : name); |
46fc3d4c | 3628 | SvREFCNT_dec(namesv); |
a0d0e21e | 3629 | if (!tryrsfp) { |
533c011a | 3630 | if (PL_op->op_type == OP_REQUIRE) { |
5c144d81 | 3631 | const char *msgstr = name; |
e31de809 | 3632 | if(errno == EMFILE) { |
b9b739dc NC |
3633 | SV * const msg |
3634 | = sv_2mortal(Perl_newSVpvf(aTHX_ "%s: %s", msgstr, | |
3635 | Strerror(errno))); | |
349d4f2f | 3636 | msgstr = SvPV_nolen_const(msg); |
e31de809 SP |
3637 | } else { |
3638 | if (namesv) { /* did we lookup @INC? */ | |
44f8325f | 3639 | AV * const ar = GvAVn(PL_incgv); |
e31de809 | 3640 | I32 i; |
b8f04b1b NC |
3641 | SV * const msg = sv_2mortal(Perl_newSVpvf(aTHX_ |
3642 | "%s in @INC%s%s (@INC contains:", | |
3643 | msgstr, | |
3644 | (instr(msgstr, ".h ") | |
3645 | ? " (change .h to .ph maybe?)" : ""), | |
3646 | (instr(msgstr, ".ph ") | |
3647 | ? " (did you run h2ph?)" : "") | |
3648 | )); | |
3649 | ||
e31de809 | 3650 | for (i = 0; i <= AvFILL(ar); i++) { |
396482e1 | 3651 | sv_catpvs(msg, " "); |
b8f04b1b | 3652 | sv_catsv(msg, *av_fetch(ar, i, TRUE)); |
e31de809 | 3653 | } |
396482e1 | 3654 | sv_catpvs(msg, ")"); |
e31de809 SP |
3655 | msgstr = SvPV_nolen_const(msg); |
3656 | } | |
2683423c | 3657 | } |
ea071790 | 3658 | DIE(aTHX_ "Can't locate %s", msgstr); |
a0d0e21e LW |
3659 | } |
3660 | ||
3661 | RETPUSHUNDEF; | |
3662 | } | |
d8bfb8bd | 3663 | else |
93189314 | 3664 | SETERRNO(0, SS_NORMAL); |
a0d0e21e LW |
3665 | |
3666 | /* Assume success here to prevent recursive requirement. */ | |
238d24b4 | 3667 | /* name is never assigned to again, so len is still strlen(name) */ |
d3a4e64e | 3668 | /* Check whether a hook in @INC has already filled %INC */ |
44f8325f | 3669 | if (!hook_sv) { |
4492be7a JM |
3670 | (void)hv_store(GvHVn(PL_incgv), |
3671 | unixname, unixlen, newSVpv(CopFILE(&PL_compiling),0),0); | |
44f8325f | 3672 | } else { |
4492be7a | 3673 | SV** const svp = hv_fetch(GvHVn(PL_incgv), unixname, unixlen, 0); |
44f8325f | 3674 | if (!svp) |
4492be7a JM |
3675 | (void)hv_store(GvHVn(PL_incgv), |
3676 | unixname, unixlen, SvREFCNT_inc_simple(hook_sv), 0 ); | |
d3a4e64e | 3677 | } |
a0d0e21e | 3678 | |
d343c3ef | 3679 | ENTER_with_name("eval"); |
a0d0e21e | 3680 | SAVETMPS; |
5486870f | 3681 | lex_start(NULL, tryrsfp, TRUE); |
e50aee73 | 3682 | |
b3ac6de7 | 3683 | SAVEHINTS(); |
3280af22 | 3684 | PL_hints = 0; |
f747ebd6 | 3685 | hv_clear(GvHV(PL_hintgv)); |
27eaf14c | 3686 | |
68da3b2f | 3687 | SAVECOMPILEWARNINGS(); |
0453d815 | 3688 | if (PL_dowarn & G_WARN_ALL_ON) |
d3a7d8c7 | 3689 | PL_compiling.cop_warnings = pWARN_ALL ; |
0453d815 | 3690 | else if (PL_dowarn & G_WARN_ALL_OFF) |
d3a7d8c7 | 3691 | PL_compiling.cop_warnings = pWARN_NONE ; |
ac27b0f5 | 3692 | else |
d3a7d8c7 | 3693 | PL_compiling.cop_warnings = pWARN_STD ; |
a0d0e21e | 3694 | |
34113e50 | 3695 | if (filter_sub || filter_cache) { |
4464f08e NC |
3696 | /* We can use the SvPV of the filter PVIO itself as our cache, rather |
3697 | than hanging another SV from it. In turn, filter_add() optionally | |
3698 | takes the SV to use as the filter (or creates a new SV if passed | |
3699 | NULL), so simply pass in whatever value filter_cache has. */ | |
3700 | SV * const datasv = filter_add(S_run_user_filter, filter_cache); | |
bbed91b5 | 3701 | IoLINES(datasv) = filter_has_file; |
159b6efe NC |
3702 | IoTOP_GV(datasv) = MUTABLE_GV(filter_state); |
3703 | IoBOTTOM_GV(datasv) = MUTABLE_GV(filter_sub); | |
bbed91b5 KF |
3704 | } |
3705 | ||
3706 | /* switch to eval mode */ | |
a0d0e21e | 3707 | PUSHBLOCK(cx, CXt_EVAL, SP); |
6b75f042 | 3708 | PUSHEVAL(cx, name); |
f39bc417 | 3709 | cx->blk_eval.retop = PL_op->op_next; |
a0d0e21e | 3710 | |
57843af0 GS |
3711 | SAVECOPLINE(&PL_compiling); |
3712 | CopLINE_set(&PL_compiling, 0); | |
a0d0e21e LW |
3713 | |
3714 | PUTBACK; | |
6ec9efec JH |
3715 | |
3716 | /* Store and reset encoding. */ | |
3717 | encoding = PL_encoding; | |
c445ea15 | 3718 | PL_encoding = NULL; |
6ec9efec | 3719 | |
410be5db DM |
3720 | if (doeval(gimme, NULL, NULL, PL_curcop->cop_seq)) |
3721 | op = DOCATCH(PL_eval_start); | |
3722 | else | |
3723 | op = PL_op->op_next; | |
bfed75c6 | 3724 | |
6ec9efec JH |
3725 | /* Restore encoding. */ |
3726 | PL_encoding = encoding; | |
3727 | ||
3728 | return op; | |
a0d0e21e LW |
3729 | } |
3730 | ||
996c9baa VP |
3731 | /* This is a op added to hold the hints hash for |
3732 | pp_entereval. The hash can be modified by the code | |
3733 | being eval'ed, so we return a copy instead. */ | |
3734 | ||
3735 | PP(pp_hintseval) | |
3736 | { | |
3737 | dVAR; | |
3738 | dSP; | |
ad64d0ec | 3739 | mXPUSHs(MUTABLE_SV(Perl_hv_copy_hints_hv(aTHX_ MUTABLE_HV(cSVOP_sv)))); |
996c9baa VP |
3740 | RETURN; |
3741 | } | |
3742 | ||
3743 | ||
a0d0e21e LW |
3744 | PP(pp_entereval) |
3745 | { | |
27da23d5 | 3746 | dVAR; dSP; |
c09156bb | 3747 | register PERL_CONTEXT *cx; |
0d863452 | 3748 | SV *sv; |
890ce7af | 3749 | const I32 gimme = GIMME_V; |
fd06b02c | 3750 | const U32 was = PL_breakable_sub_gen; |
83ee9e09 GS |
3751 | char tbuf[TYPE_DIGITS(long) + 12]; |
3752 | char *tmpbuf = tbuf; | |
a0d0e21e | 3753 | STRLEN len; |
a3985cdc | 3754 | CV* runcv; |
d819b83a | 3755 | U32 seq; |
c445ea15 | 3756 | HV *saved_hh = NULL; |
e389bba9 | 3757 | |
0d863452 | 3758 | if (PL_op->op_private & OPpEVAL_HAS_HH) { |
85fbaab2 | 3759 | saved_hh = MUTABLE_HV(SvREFCNT_inc(POPs)); |
0d863452 RH |
3760 | } |
3761 | sv = POPs; | |
a0d0e21e | 3762 | |
af2d3def | 3763 | TAINT_IF(SvTAINTED(sv)); |
748a9306 | 3764 | TAINT_PROPER("eval"); |
a0d0e21e | 3765 | |
d343c3ef | 3766 | ENTER_with_name("eval"); |
5486870f | 3767 | lex_start(sv, NULL, FALSE); |
748a9306 | 3768 | SAVETMPS; |
ac27b0f5 | 3769 | |
a0d0e21e LW |
3770 | /* switch to eval mode */ |
3771 | ||
83ee9e09 | 3772 | if (PERLDB_NAMEEVAL && CopLINE(PL_curcop)) { |
8b38226b AL |
3773 | SV * const temp_sv = sv_newmortal(); |
3774 | Perl_sv_setpvf(aTHX_ temp_sv, "_<(eval %lu)[%s:%"IVdf"]", | |
83ee9e09 GS |
3775 | (unsigned long)++PL_evalseq, |
3776 | CopFILE(PL_curcop), (IV)CopLINE(PL_curcop)); | |
8b38226b AL |
3777 | tmpbuf = SvPVX(temp_sv); |
3778 | len = SvCUR(temp_sv); | |
83ee9e09 GS |
3779 | } |
3780 | else | |
d9fad198 | 3781 | len = my_snprintf(tmpbuf, sizeof(tbuf), "_<(eval %lu)", (unsigned long)++PL_evalseq); |
f4dd75d9 | 3782 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 3783 | CopFILE_set(&PL_compiling, tmpbuf+2); |
f4dd75d9 | 3784 | SAVECOPLINE(&PL_compiling); |
57843af0 | 3785 | CopLINE_set(&PL_compiling, 1); |
55497cff | 3786 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
3787 | deleting the eval's FILEGV from the stash before gv_check() runs | |
3788 | (i.e. before run-time proper). To work around the coredump that | |
3789 | ensues, we always turn GvMULTI_on for any globals that were | |
3790 | introduced within evals. See force_ident(). GSAR 96-10-12 */ | |
b3ac6de7 | 3791 | SAVEHINTS(); |
533c011a | 3792 | PL_hints = PL_op->op_targ; |
cda55376 AV |
3793 | if (saved_hh) { |
3794 | /* SAVEHINTS created a new HV in PL_hintgv, which we need to GC */ | |
3795 | SvREFCNT_dec(GvHV(PL_hintgv)); | |
0d863452 | 3796 | GvHV(PL_hintgv) = saved_hh; |
cda55376 | 3797 | } |
68da3b2f | 3798 | SAVECOMPILEWARNINGS(); |
72dc9ed5 | 3799 | PL_compiling.cop_warnings = DUP_WARNINGS(PL_curcop->cop_warnings); |
c28fe1ec NC |
3800 | if (PL_compiling.cop_hints_hash) { |
3801 | Perl_refcounted_he_free(aTHX_ PL_compiling.cop_hints_hash); | |
a24d89c9 | 3802 | } |
47550813 NC |
3803 | if (Perl_fetch_cop_label(aTHX_ PL_curcop->cop_hints_hash, NULL, NULL)) { |
3804 | /* The label, if present, is the first entry on the chain. So rather | |
3805 | than writing a blank label in front of it (which involves an | |
3806 | allocation), just use the next entry in the chain. */ | |
3807 | PL_compiling.cop_hints_hash | |
3808 | = PL_curcop->cop_hints_hash->refcounted_he_next; | |
3809 | /* Check the assumption that this removed the label. */ | |
3810 | assert(Perl_fetch_cop_label(aTHX_ PL_compiling.cop_hints_hash, NULL, | |
3811 | NULL) == NULL); | |
3812 | } | |
3813 | else | |
3814 | PL_compiling.cop_hints_hash = PL_curcop->cop_hints_hash; | |
c28fe1ec | 3815 | if (PL_compiling.cop_hints_hash) { |
cbb1fbea | 3816 | HINTS_REFCNT_LOCK; |
c28fe1ec | 3817 | PL_compiling.cop_hints_hash->refcounted_he_refcnt++; |
cbb1fbea | 3818 | HINTS_REFCNT_UNLOCK; |
a24d89c9 | 3819 | } |
d819b83a DM |
3820 | /* special case: an eval '' executed within the DB package gets lexically |
3821 | * placed in the first non-DB CV rather than the current CV - this | |
3822 | * allows the debugger to execute code, find lexicals etc, in the | |
3823 | * scope of the code being debugged. Passing &seq gets find_runcv | |
3824 | * to do the dirty work for us */ | |
3825 | runcv = find_runcv(&seq); | |
a0d0e21e | 3826 | |
6b35e009 | 3827 | PUSHBLOCK(cx, (CXt_EVAL|CXp_REAL), SP); |
6b75f042 | 3828 | PUSHEVAL(cx, 0); |
f39bc417 | 3829 | cx->blk_eval.retop = PL_op->op_next; |
a0d0e21e LW |
3830 | |
3831 | /* prepare to compile string */ | |
3832 | ||
a44e3ce2 | 3833 | if ((PERLDB_LINE || PERLDB_SAVESRC) && PL_curstash != PL_debstash) |
bdc0bf6f | 3834 | save_lines(CopFILEAV(&PL_compiling), PL_parser->linestr); |
a0d0e21e | 3835 | PUTBACK; |
f9bddea7 NC |
3836 | |
3837 | if (doeval(gimme, NULL, runcv, seq)) { | |
3838 | if (was != PL_breakable_sub_gen /* Some subs defined here. */ | |
3839 | ? (PERLDB_LINE || PERLDB_SAVESRC) | |
3840 | : PERLDB_SAVESRC_NOSUBS) { | |
3841 | /* Retain the filegv we created. */ | |
3842 | } else { | |
3843 | char *const safestr = savepvn(tmpbuf, len); | |
3844 | SAVEDELETE(PL_defstash, safestr, len); | |
3845 | } | |
3846 | return DOCATCH(PL_eval_start); | |
3847 | } else { | |
3848 | /* We have already left the scope set up earler thanks to the LEAVE | |
3849 | in doeval(). */ | |
eb044b10 NC |
3850 | if (was != PL_breakable_sub_gen /* Some subs defined here. */ |
3851 | ? (PERLDB_LINE || PERLDB_SAVESRC) | |
3852 | : PERLDB_SAVESRC_INVALID) { | |
f9bddea7 NC |
3853 | /* Retain the filegv we created. */ |
3854 | } else { | |
3855 | (void)hv_delete(PL_defstash, tmpbuf, len, G_DISCARD); | |
3856 | } | |
3857 | return PL_op->op_next; | |
3858 | } | |
a0d0e21e LW |
3859 | } |
3860 | ||
3861 | PP(pp_leaveeval) | |
3862 | { | |
27da23d5 | 3863 | dVAR; dSP; |
a0d0e21e LW |
3864 | register SV **mark; |
3865 | SV **newsp; | |
3866 | PMOP *newpm; | |
3867 | I32 gimme; | |
c09156bb | 3868 | register PERL_CONTEXT *cx; |
a0d0e21e | 3869 | OP *retop; |
06b5626a | 3870 | const U8 save_flags = PL_op -> op_flags; |
a0d0e21e | 3871 | I32 optype; |
b6494f15 | 3872 | SV *namesv; |
a0d0e21e LW |
3873 | |
3874 | POPBLOCK(cx,newpm); | |
3875 | POPEVAL(cx); | |
b6494f15 | 3876 | namesv = cx->blk_eval.old_namesv; |
f39bc417 | 3877 | retop = cx->blk_eval.retop; |
a0d0e21e | 3878 | |
a1f49e72 | 3879 | TAINT_NOT; |
54310121 | 3880 | if (gimme == G_VOID) |
3881 | MARK = newsp; | |
3882 | else if (gimme == G_SCALAR) { | |
3883 | MARK = newsp + 1; | |
3884 | if (MARK <= SP) { | |
3885 | if (SvFLAGS(TOPs) & SVs_TEMP) | |
3886 | *MARK = TOPs; | |
3887 | else | |
3888 | *MARK = sv_mortalcopy(TOPs); | |
3889 | } | |
a0d0e21e | 3890 | else { |
54310121 | 3891 | MEXTEND(mark,0); |
3280af22 | 3892 | *MARK = &PL_sv_undef; |
a0d0e21e | 3893 | } |
a7ec2b44 | 3894 | SP = MARK; |
a0d0e21e LW |
3895 | } |
3896 | else { | |
a1f49e72 CS |
3897 | /* in case LEAVE wipes old return values */ |
3898 | for (mark = newsp + 1; mark <= SP; mark++) { | |
3899 | if (!(SvFLAGS(*mark) & SVs_TEMP)) { | |
a0d0e21e | 3900 | *mark = sv_mortalcopy(*mark); |
a1f49e72 CS |
3901 | TAINT_NOT; /* Each item is independent */ |
3902 | } | |
3903 | } | |
a0d0e21e | 3904 | } |
3280af22 | 3905 | PL_curpm = newpm; /* Don't pop $1 et al till now */ |
a0d0e21e | 3906 | |
4fdae800 | 3907 | #ifdef DEBUGGING |
3280af22 | 3908 | assert(CvDEPTH(PL_compcv) == 1); |
4fdae800 | 3909 | #endif |
3280af22 | 3910 | CvDEPTH(PL_compcv) = 0; |
f46d017c | 3911 | lex_end(); |
4fdae800 | 3912 | |
1ce6579f | 3913 | if (optype == OP_REQUIRE && |
924508f0 | 3914 | !(gimme == G_SCALAR ? SvTRUE(*SP) : SP > newsp)) |
54310121 | 3915 | { |
1ce6579f | 3916 | /* Unassume the success we assumed earlier. */ |
b6494f15 VP |
3917 | (void)hv_delete(GvHVn(PL_incgv), |
3918 | SvPVX_const(namesv), SvCUR(namesv), | |
3919 | G_DISCARD); | |
3920 | retop = Perl_die(aTHX_ "%"SVf" did not return a true value", | |
3921 | SVfARG(namesv)); | |
c5df3096 | 3922 | /* die_unwind() did LEAVE, or we won't be here */ |
f46d017c GS |
3923 | } |
3924 | else { | |
d343c3ef | 3925 | LEAVE_with_name("eval"); |
8433848b | 3926 | if (!(save_flags & OPf_SPECIAL)) { |
ab69dbc2 | 3927 | CLEAR_ERRSV(); |
8433848b | 3928 | } |
a0d0e21e | 3929 | } |
a0d0e21e LW |
3930 | |
3931 | RETURNOP(retop); | |
3932 | } | |
3933 | ||
edb2152a NC |
3934 | /* Common code for Perl_call_sv and Perl_fold_constants, put here to keep it |
3935 | close to the related Perl_create_eval_scope. */ | |
3936 | void | |
3937 | Perl_delete_eval_scope(pTHX) | |
a0d0e21e | 3938 | { |
edb2152a NC |
3939 | SV **newsp; |
3940 | PMOP *newpm; | |
3941 | I32 gimme; | |
c09156bb | 3942 | register PERL_CONTEXT *cx; |
edb2152a NC |
3943 | I32 optype; |
3944 | ||
3945 | POPBLOCK(cx,newpm); | |
3946 | POPEVAL(cx); | |
3947 | PL_curpm = newpm; | |
d343c3ef | 3948 | LEAVE_with_name("eval_scope"); |
edb2152a NC |
3949 | PERL_UNUSED_VAR(newsp); |
3950 | PERL_UNUSED_VAR(gimme); | |
3951 | PERL_UNUSED_VAR(optype); | |
3952 | } | |
a0d0e21e | 3953 | |
edb2152a NC |
3954 | /* Common-ish code salvaged from Perl_call_sv and pp_entertry, because it was |
3955 | also needed by Perl_fold_constants. */ | |
3956 | PERL_CONTEXT * | |
3957 | Perl_create_eval_scope(pTHX_ U32 flags) | |
3958 | { | |
3959 | PERL_CONTEXT *cx; | |
3960 | const I32 gimme = GIMME_V; | |
3961 | ||
d343c3ef | 3962 | ENTER_with_name("eval_scope"); |
a0d0e21e LW |
3963 | SAVETMPS; |
3964 | ||
edb2152a | 3965 | PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), PL_stack_sp); |
6b75f042 | 3966 | PUSHEVAL(cx, 0); |
a0d0e21e | 3967 | |
faef0170 | 3968 | PL_in_eval = EVAL_INEVAL; |
edb2152a NC |
3969 | if (flags & G_KEEPERR) |
3970 | PL_in_eval |= EVAL_KEEPERR; | |
ab69dbc2 RGS |
3971 | else |
3972 | CLEAR_ERRSV(); | |
edb2152a NC |
3973 | if (flags & G_FAKINGEVAL) { |
3974 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ | |
3975 | } | |
3976 | return cx; | |
3977 | } | |
3978 | ||
3979 | PP(pp_entertry) | |
3980 | { | |
3981 | dVAR; | |
df528165 | 3982 | PERL_CONTEXT * const cx = create_eval_scope(0); |
edb2152a | 3983 | cx->blk_eval.retop = cLOGOP->op_other->op_next; |
533c011a | 3984 | return DOCATCH(PL_op->op_next); |
a0d0e21e LW |
3985 | } |
3986 | ||
3987 | PP(pp_leavetry) | |
3988 | { | |
27da23d5 | 3989 | dVAR; dSP; |
a0d0e21e LW |
3990 | SV **newsp; |
3991 | PMOP *newpm; | |
3992 | I32 gimme; | |
c09156bb | 3993 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
3994 | I32 optype; |
3995 | ||
3996 | POPBLOCK(cx,newpm); | |
3997 | POPEVAL(cx); | |
9d4ba2ae | 3998 | PERL_UNUSED_VAR(optype); |
a0d0e21e | 3999 | |
a1f49e72 | 4000 | TAINT_NOT; |
54310121 | 4001 | if (gimme == G_VOID) |
4002 | SP = newsp; | |
4003 | else if (gimme == G_SCALAR) { | |
c445ea15 | 4004 | register SV **mark; |
54310121 | 4005 | MARK = newsp + 1; |
4006 | if (MARK <= SP) { | |
4007 | if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP)) | |
4008 | *MARK = TOPs; | |
4009 | else | |
4010 | *MARK = sv_mortalcopy(TOPs); | |
4011 | } | |
a0d0e21e | 4012 | else { |
54310121 | 4013 | MEXTEND(mark,0); |
3280af22 | 4014 | *MARK = &PL_sv_undef; |
a0d0e21e LW |
4015 | } |
4016 | SP = MARK; | |
4017 | } | |
4018 | else { | |
a1f49e72 | 4019 | /* in case LEAVE wipes old return values */ |
c445ea15 | 4020 | register SV **mark; |
a1f49e72 CS |
4021 | for (mark = newsp + 1; mark <= SP; mark++) { |
4022 | if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) { | |
a0d0e21e | 4023 | *mark = sv_mortalcopy(*mark); |
a1f49e72 CS |
4024 | TAINT_NOT; /* Each item is independent */ |
4025 | } | |
4026 | } | |
a0d0e21e | 4027 | } |
3280af22 | 4028 | PL_curpm = newpm; /* Don't pop $1 et al till now */ |
a0d0e21e | 4029 | |
d343c3ef | 4030 | LEAVE_with_name("eval_scope"); |
ab69dbc2 | 4031 | CLEAR_ERRSV(); |
745cf2ff | 4032 | RETURN; |
a0d0e21e LW |
4033 | } |
4034 | ||
0d863452 RH |
4035 | PP(pp_entergiven) |
4036 | { | |
4037 | dVAR; dSP; | |
4038 | register PERL_CONTEXT *cx; | |
4039 | const I32 gimme = GIMME_V; | |
4040 | ||
d343c3ef | 4041 | ENTER_with_name("given"); |
0d863452 RH |
4042 | SAVETMPS; |
4043 | ||
bb74b0ee | 4044 | sv_setsv(PAD_SV(PL_op->op_targ), POPs); |
0d863452 RH |
4045 | |
4046 | PUSHBLOCK(cx, CXt_GIVEN, SP); | |
4047 | PUSHGIVEN(cx); | |
4048 | ||
4049 | RETURN; | |
4050 | } | |
4051 | ||
4052 | PP(pp_leavegiven) | |
4053 | { | |
4054 | dVAR; dSP; | |
4055 | register PERL_CONTEXT *cx; | |
4056 | I32 gimme; | |
4057 | SV **newsp; | |
4058 | PMOP *newpm; | |
96a5add6 | 4059 | PERL_UNUSED_CONTEXT; |
0d863452 RH |
4060 | |
4061 | POPBLOCK(cx,newpm); | |
4062 | assert(CxTYPE(cx) == CXt_GIVEN); | |
0d863452 | 4063 | |
25b991bf VP |
4064 | TAINT_NOT; |
4065 | if (gimme == G_VOID) | |
4066 | SP = newsp; | |
4067 | else if (gimme == G_SCALAR) { | |
4068 | register SV **mark; | |
4069 | MARK = newsp + 1; | |
4070 | if (MARK <= SP) { | |
4071 | if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP)) | |
4072 | *MARK = TOPs; | |
4073 | else | |
4074 | *MARK = sv_mortalcopy(TOPs); | |
4075 | } | |
4076 | else { | |
4077 | MEXTEND(mark,0); | |
4078 | *MARK = &PL_sv_undef; | |
4079 | } | |
4080 | SP = MARK; | |
4081 | } | |
4082 | else { | |
4083 | /* in case LEAVE wipes old return values */ | |
4084 | register SV **mark; | |
4085 | for (mark = newsp + 1; mark <= SP; mark++) { | |
4086 | if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) { | |
4087 | *mark = sv_mortalcopy(*mark); | |
4088 | TAINT_NOT; /* Each item is independent */ | |
4089 | } | |
4090 | } | |
4091 | } | |
4092 | PL_curpm = newpm; /* Don't pop $1 et al till now */ | |
0d863452 | 4093 | |
d343c3ef | 4094 | LEAVE_with_name("given"); |
25b991bf | 4095 | RETURN; |
0d863452 RH |
4096 | } |
4097 | ||
4098 | /* Helper routines used by pp_smartmatch */ | |
4136a0f7 | 4099 | STATIC PMOP * |
84679df5 | 4100 | S_make_matcher(pTHX_ REGEXP *re) |
0d863452 | 4101 | { |
97aff369 | 4102 | dVAR; |
0d863452 | 4103 | PMOP *matcher = (PMOP *) newPMOP(OP_MATCH, OPf_WANT_SCALAR | OPf_STACKED); |
7918f24d NC |
4104 | |
4105 | PERL_ARGS_ASSERT_MAKE_MATCHER; | |
4106 | ||
d6106309 | 4107 | PM_SETRE(matcher, ReREFCNT_inc(re)); |
7918f24d | 4108 | |
0d863452 | 4109 | SAVEFREEOP((OP *) matcher); |
d343c3ef | 4110 | ENTER_with_name("matcher"); SAVETMPS; |
0d863452 RH |
4111 | SAVEOP(); |
4112 | return matcher; | |
4113 | } | |
4114 | ||
4136a0f7 | 4115 | STATIC bool |
0d863452 RH |
4116 | S_matcher_matches_sv(pTHX_ PMOP *matcher, SV *sv) |
4117 | { | |
97aff369 | 4118 | dVAR; |
0d863452 | 4119 | dSP; |
7918f24d NC |
4120 | |
4121 | PERL_ARGS_ASSERT_MATCHER_MATCHES_SV; | |
0d863452 RH |
4122 | |
4123 | PL_op = (OP *) matcher; | |
4124 | XPUSHs(sv); | |
4125 | PUTBACK; | |
4126 | (void) pp_match(); | |
4127 | SPAGAIN; | |
4128 | return (SvTRUEx(POPs)); | |
4129 | } | |
4130 | ||
4136a0f7 | 4131 | STATIC void |
0d863452 RH |
4132 | S_destroy_matcher(pTHX_ PMOP *matcher) |
4133 | { | |
97aff369 | 4134 | dVAR; |
7918f24d NC |
4135 | |
4136 | PERL_ARGS_ASSERT_DESTROY_MATCHER; | |
0d863452 | 4137 | PERL_UNUSED_ARG(matcher); |
7918f24d | 4138 | |
0d863452 | 4139 | FREETMPS; |
d343c3ef | 4140 | LEAVE_with_name("matcher"); |
0d863452 RH |
4141 | } |
4142 | ||
4143 | /* Do a smart match */ | |
4144 | PP(pp_smartmatch) | |
4145 | { | |
d7c0d282 | 4146 | DEBUG_M(Perl_deb(aTHX_ "Starting smart match resolution\n")); |
a0714e2c | 4147 | return do_smartmatch(NULL, NULL); |
0d863452 RH |
4148 | } |
4149 | ||
4b021f5f RGS |
4150 | /* This version of do_smartmatch() implements the |
4151 | * table of smart matches that is found in perlsyn. | |
0d863452 | 4152 | */ |
4136a0f7 | 4153 | STATIC OP * |
0d863452 RH |
4154 | S_do_smartmatch(pTHX_ HV *seen_this, HV *seen_other) |
4155 | { | |
97aff369 | 4156 | dVAR; |
0d863452 RH |
4157 | dSP; |
4158 | ||
41e726ac | 4159 | bool object_on_left = FALSE; |
0d863452 RH |
4160 | SV *e = TOPs; /* e is for 'expression' */ |
4161 | SV *d = TOPm1s; /* d is for 'default', as in PL_defgv */ | |
a566f585 | 4162 | |
6f1401dc DM |
4163 | /* Take care only to invoke mg_get() once for each argument. |
4164 | * Currently we do this by copying the SV if it's magical. */ | |
4165 | if (d) { | |
4166 | if (SvGMAGICAL(d)) | |
4167 | d = sv_mortalcopy(d); | |
4168 | } | |
4169 | else | |
4170 | d = &PL_sv_undef; | |
4171 | ||
4172 | assert(e); | |
4173 | if (SvGMAGICAL(e)) | |
4174 | e = sv_mortalcopy(e); | |
4175 | ||
2c9d2554 | 4176 | /* First of all, handle overload magic of the rightmost argument */ |
6d743019 | 4177 | if (SvAMAGIC(e)) { |
d7c0d282 DM |
4178 | SV * tmpsv; |
4179 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-Object\n")); | |
4180 | DEBUG_M(Perl_deb(aTHX_ " attempting overload\n")); | |
4181 | ||
4182 | tmpsv = amagic_call(d, e, smart_amg, 0); | |
7c41e62e RGS |
4183 | if (tmpsv) { |
4184 | SPAGAIN; | |
4185 | (void)POPs; | |
4186 | SETs(tmpsv); | |
4187 | RETURN; | |
4188 | } | |
d7c0d282 | 4189 | DEBUG_M(Perl_deb(aTHX_ " failed to run overload method; continuing...\n")); |
7c41e62e | 4190 | } |
62ec5f58 | 4191 | |
0d863452 RH |
4192 | SP -= 2; /* Pop the values */ |
4193 | ||
0d863452 | 4194 | |
b0138e99 | 4195 | /* ~~ undef */ |
62ec5f58 | 4196 | if (!SvOK(e)) { |
d7c0d282 | 4197 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-undef\n")); |
62ec5f58 | 4198 | if (SvOK(d)) |
33570f8b RGS |
4199 | RETPUSHNO; |
4200 | else | |
62ec5f58 | 4201 | RETPUSHYES; |
33570f8b | 4202 | } |
e67b97bd | 4203 | |
d7c0d282 DM |
4204 | if (sv_isobject(e) && (SvTYPE(SvRV(e)) != SVt_REGEXP)) { |
4205 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-Object\n")); | |
62ec5f58 | 4206 | Perl_croak(aTHX_ "Smart matching a non-overloaded object breaks encapsulation"); |
d7c0d282 | 4207 | } |
41e726ac RGS |
4208 | if (sv_isobject(d) && (SvTYPE(SvRV(d)) != SVt_REGEXP)) |
4209 | object_on_left = TRUE; | |
62ec5f58 | 4210 | |
b0138e99 | 4211 | /* ~~ sub */ |
a4a197da | 4212 | if (SvROK(e) && SvTYPE(SvRV(e)) == SVt_PVCV) { |
0d863452 | 4213 | I32 c; |
41e726ac RGS |
4214 | if (object_on_left) { |
4215 | goto sm_any_sub; /* Treat objects like scalars */ | |
4216 | } | |
4217 | else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVHV) { | |
a4a197da RGS |
4218 | /* Test sub truth for each key */ |
4219 | HE *he; | |
4220 | bool andedresults = TRUE; | |
4221 | HV *hv = (HV*) SvRV(d); | |
168ff818 | 4222 | I32 numkeys = hv_iterinit(hv); |
d7c0d282 | 4223 | DEBUG_M(Perl_deb(aTHX_ " applying rule Hash-CodeRef\n")); |
168ff818 | 4224 | if (numkeys == 0) |
07edf497 | 4225 | RETPUSHYES; |
a4a197da | 4226 | while ( (he = hv_iternext(hv)) ) { |
d7c0d282 | 4227 | DEBUG_M(Perl_deb(aTHX_ " testing hash key...\n")); |
d343c3ef | 4228 | ENTER_with_name("smartmatch_hash_key_test"); |
a4a197da RGS |
4229 | SAVETMPS; |
4230 | PUSHMARK(SP); | |
4231 | PUSHs(hv_iterkeysv(he)); | |
4232 | PUTBACK; | |
4233 | c = call_sv(e, G_SCALAR); | |
4234 | SPAGAIN; | |
4235 | if (c == 0) | |
4236 | andedresults = FALSE; | |
4237 | else | |
4238 | andedresults = SvTRUEx(POPs) && andedresults; | |
4239 | FREETMPS; | |
d343c3ef | 4240 | LEAVE_with_name("smartmatch_hash_key_test"); |
a4a197da RGS |
4241 | } |
4242 | if (andedresults) | |
4243 | RETPUSHYES; | |
4244 | else | |
4245 | RETPUSHNO; | |
4246 | } | |
4247 | else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVAV) { | |
4248 | /* Test sub truth for each element */ | |
4249 | I32 i; | |
4250 | bool andedresults = TRUE; | |
4251 | AV *av = (AV*) SvRV(d); | |
4252 | const I32 len = av_len(av); | |
d7c0d282 | 4253 | DEBUG_M(Perl_deb(aTHX_ " applying rule Array-CodeRef\n")); |
168ff818 | 4254 | if (len == -1) |
07edf497 | 4255 | RETPUSHYES; |
a4a197da RGS |
4256 | for (i = 0; i <= len; ++i) { |
4257 | SV * const * const svp = av_fetch(av, i, FALSE); | |
d7c0d282 | 4258 | DEBUG_M(Perl_deb(aTHX_ " testing array element...\n")); |
d343c3ef | 4259 | ENTER_with_name("smartmatch_array_elem_test"); |
a4a197da RGS |
4260 | SAVETMPS; |
4261 | PUSHMARK(SP); | |
4262 | if (svp) | |
4263 | PUSHs(*svp); | |
4264 | PUTBACK; | |
4265 | c = call_sv(e, G_SCALAR); | |
4266 | SPAGAIN; | |
4267 | if (c == 0) | |
4268 | andedresults = FALSE; | |
4269 | else | |
4270 | andedresults = SvTRUEx(POPs) && andedresults; | |
4271 | FREETMPS; | |
d343c3ef | 4272 | LEAVE_with_name("smartmatch_array_elem_test"); |
a4a197da RGS |
4273 | } |
4274 | if (andedresults) | |
4275 | RETPUSHYES; | |
4276 | else | |
4277 | RETPUSHNO; | |
4278 | } | |
4279 | else { | |
41e726ac | 4280 | sm_any_sub: |
d7c0d282 | 4281 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-CodeRef\n")); |
d343c3ef | 4282 | ENTER_with_name("smartmatch_coderef"); |
a4a197da RGS |
4283 | SAVETMPS; |
4284 | PUSHMARK(SP); | |
4285 | PUSHs(d); | |
4286 | PUTBACK; | |
4287 | c = call_sv(e, G_SCALAR); | |
4288 | SPAGAIN; | |
4289 | if (c == 0) | |
4290 | PUSHs(&PL_sv_no); | |
4291 | else if (SvTEMP(TOPs)) | |
4292 | SvREFCNT_inc_void(TOPs); | |
4293 | FREETMPS; | |
d343c3ef | 4294 | LEAVE_with_name("smartmatch_coderef"); |
a4a197da RGS |
4295 | RETURN; |
4296 | } | |
0d863452 | 4297 | } |
b0138e99 | 4298 | /* ~~ %hash */ |
61a621c6 | 4299 | else if (SvROK(e) && SvTYPE(SvRV(e)) == SVt_PVHV) { |
41e726ac RGS |
4300 | if (object_on_left) { |
4301 | goto sm_any_hash; /* Treat objects like scalars */ | |
4302 | } | |
4303 | else if (!SvOK(d)) { | |
d7c0d282 | 4304 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-Hash ($a undef)\n")); |
61a621c6 RGS |
4305 | RETPUSHNO; |
4306 | } | |
4307 | else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVHV) { | |
0d863452 RH |
4308 | /* Check that the key-sets are identical */ |
4309 | HE *he; | |
61a621c6 | 4310 | HV *other_hv = MUTABLE_HV(SvRV(d)); |
0d863452 RH |
4311 | bool tied = FALSE; |
4312 | bool other_tied = FALSE; | |
4313 | U32 this_key_count = 0, | |
4314 | other_key_count = 0; | |
33ed63a2 | 4315 | HV *hv = MUTABLE_HV(SvRV(e)); |
d7c0d282 DM |
4316 | |
4317 | DEBUG_M(Perl_deb(aTHX_ " applying rule Hash-Hash\n")); | |
0d863452 | 4318 | /* Tied hashes don't know how many keys they have. */ |
33ed63a2 | 4319 | if (SvTIED_mg((SV*)hv, PERL_MAGIC_tied)) { |
0d863452 RH |
4320 | tied = TRUE; |
4321 | } | |
ad64d0ec | 4322 | else if (SvTIED_mg((const SV *)other_hv, PERL_MAGIC_tied)) { |
c445ea15 | 4323 | HV * const temp = other_hv; |
33ed63a2 RGS |
4324 | other_hv = hv; |
4325 | hv = temp; | |
0d863452 RH |
4326 | tied = TRUE; |
4327 | } | |
ad64d0ec | 4328 | if (SvTIED_mg((const SV *)other_hv, PERL_MAGIC_tied)) |
0d863452 RH |
4329 | other_tied = TRUE; |
4330 | ||
33ed63a2 | 4331 | if (!tied && HvUSEDKEYS((const HV *) hv) != HvUSEDKEYS(other_hv)) |
0d863452 RH |
4332 | RETPUSHNO; |
4333 | ||
4334 | /* The hashes have the same number of keys, so it suffices | |
4335 | to check that one is a subset of the other. */ | |
33ed63a2 RGS |
4336 | (void) hv_iterinit(hv); |
4337 | while ( (he = hv_iternext(hv)) ) { | |
b15feb55 | 4338 | SV *key = hv_iterkeysv(he); |
d7c0d282 DM |
4339 | |
4340 | DEBUG_M(Perl_deb(aTHX_ " comparing hash key...\n")); | |
0d863452 RH |
4341 | ++ this_key_count; |
4342 | ||
b15feb55 | 4343 | if(!hv_exists_ent(other_hv, key, 0)) { |
33ed63a2 | 4344 | (void) hv_iterinit(hv); /* reset iterator */ |
0d863452 RH |
4345 | RETPUSHNO; |
4346 | } | |
4347 | } | |
4348 | ||
4349 | if (other_tied) { | |
4350 | (void) hv_iterinit(other_hv); | |
4351 | while ( hv_iternext(other_hv) ) | |
4352 | ++other_key_count; | |
4353 | } | |
4354 | else | |
4355 | other_key_count = HvUSEDKEYS(other_hv); | |
4356 | ||
4357 | if (this_key_count != other_key_count) | |
4358 | RETPUSHNO; | |
4359 | else | |
4360 | RETPUSHYES; | |
4361 | } | |
61a621c6 RGS |
4362 | else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVAV) { |
4363 | AV * const other_av = MUTABLE_AV(SvRV(d)); | |
c445ea15 | 4364 | const I32 other_len = av_len(other_av) + 1; |
0d863452 | 4365 | I32 i; |
33ed63a2 | 4366 | HV *hv = MUTABLE_HV(SvRV(e)); |
71b0fb34 | 4367 | |
d7c0d282 | 4368 | DEBUG_M(Perl_deb(aTHX_ " applying rule Array-Hash\n")); |
71b0fb34 | 4369 | for (i = 0; i < other_len; ++i) { |
c445ea15 | 4370 | SV ** const svp = av_fetch(other_av, i, FALSE); |
d7c0d282 | 4371 | DEBUG_M(Perl_deb(aTHX_ " checking for key existence...\n")); |
71b0fb34 | 4372 | if (svp) { /* ??? When can this not happen? */ |
b15feb55 | 4373 | if (hv_exists_ent(hv, *svp, 0)) |
71b0fb34 DK |
4374 | RETPUSHYES; |
4375 | } | |
0d863452 | 4376 | } |
71b0fb34 | 4377 | RETPUSHNO; |
0d863452 | 4378 | } |
a566f585 | 4379 | else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_REGEXP) { |
d7c0d282 | 4380 | DEBUG_M(Perl_deb(aTHX_ " applying rule Regex-Hash\n")); |
ea0c2dbd RGS |
4381 | sm_regex_hash: |
4382 | { | |
4383 | PMOP * const matcher = make_matcher((REGEXP*) SvRV(d)); | |
4384 | HE *he; | |
4385 | HV *hv = MUTABLE_HV(SvRV(e)); | |
4386 | ||
4387 | (void) hv_iterinit(hv); | |
4388 | while ( (he = hv_iternext(hv)) ) { | |
d7c0d282 | 4389 | DEBUG_M(Perl_deb(aTHX_ " testing key against pattern...\n")); |
ea0c2dbd RGS |
4390 | if (matcher_matches_sv(matcher, hv_iterkeysv(he))) { |
4391 | (void) hv_iterinit(hv); | |
4392 | destroy_matcher(matcher); | |
4393 | RETPUSHYES; | |
4394 | } | |
0d863452 | 4395 | } |
ea0c2dbd RGS |
4396 | destroy_matcher(matcher); |
4397 | RETPUSHNO; | |
0d863452 | 4398 | } |
0d863452 RH |
4399 | } |
4400 | else { | |
41e726ac | 4401 | sm_any_hash: |
d7c0d282 | 4402 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-Hash\n")); |
61a621c6 | 4403 | if (hv_exists_ent(MUTABLE_HV(SvRV(e)), d, 0)) |
0d863452 RH |
4404 | RETPUSHYES; |
4405 | else | |
4406 | RETPUSHNO; | |
4407 | } | |
4408 | } | |
b0138e99 RGS |
4409 | /* ~~ @array */ |
4410 | else if (SvROK(e) && SvTYPE(SvRV(e)) == SVt_PVAV) { | |
41e726ac RGS |
4411 | if (object_on_left) { |
4412 | goto sm_any_array; /* Treat objects like scalars */ | |
4413 | } | |
4414 | else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVHV) { | |
b0138e99 RGS |
4415 | AV * const other_av = MUTABLE_AV(SvRV(e)); |
4416 | const I32 other_len = av_len(other_av) + 1; | |
4417 | I32 i; | |
4418 | ||
d7c0d282 | 4419 | DEBUG_M(Perl_deb(aTHX_ " applying rule Hash-Array\n")); |
b0138e99 RGS |
4420 | for (i = 0; i < other_len; ++i) { |
4421 | SV ** const svp = av_fetch(other_av, i, FALSE); | |
d7c0d282 DM |
4422 | |
4423 | DEBUG_M(Perl_deb(aTHX_ " testing for key existence...\n")); | |
b0138e99 | 4424 | if (svp) { /* ??? When can this not happen? */ |
b15feb55 | 4425 | if (hv_exists_ent(MUTABLE_HV(SvRV(d)), *svp, 0)) |
b0138e99 RGS |
4426 | RETPUSHYES; |
4427 | } | |
4428 | } | |
4429 | RETPUSHNO; | |
4430 | } | |
4431 | if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVAV) { | |
4432 | AV *other_av = MUTABLE_AV(SvRV(d)); | |
d7c0d282 | 4433 | DEBUG_M(Perl_deb(aTHX_ " applying rule Array-Array\n")); |
b0138e99 | 4434 | if (av_len(MUTABLE_AV(SvRV(e))) != av_len(other_av)) |
0d863452 RH |
4435 | RETPUSHNO; |
4436 | else { | |
4437 | I32 i; | |
c445ea15 | 4438 | const I32 other_len = av_len(other_av); |
0d863452 | 4439 | |
a0714e2c | 4440 | if (NULL == seen_this) { |
0d863452 | 4441 | seen_this = newHV(); |
ad64d0ec | 4442 | (void) sv_2mortal(MUTABLE_SV(seen_this)); |
0d863452 | 4443 | } |
a0714e2c | 4444 | if (NULL == seen_other) { |
6bc991bf | 4445 | seen_other = newHV(); |
ad64d0ec | 4446 | (void) sv_2mortal(MUTABLE_SV(seen_other)); |
0d863452 RH |
4447 | } |
4448 | for(i = 0; i <= other_len; ++i) { | |
b0138e99 | 4449 | SV * const * const this_elem = av_fetch(MUTABLE_AV(SvRV(e)), i, FALSE); |
c445ea15 AL |
4450 | SV * const * const other_elem = av_fetch(other_av, i, FALSE); |
4451 | ||
0d863452 | 4452 | if (!this_elem || !other_elem) { |
69c3dccf RGS |
4453 | if ((this_elem && SvOK(*this_elem)) |
4454 | || (other_elem && SvOK(*other_elem))) | |
0d863452 RH |
4455 | RETPUSHNO; |
4456 | } | |
365c4e3d RGS |
4457 | else if (hv_exists_ent(seen_this, |
4458 | sv_2mortal(newSViv(PTR2IV(*this_elem))), 0) || | |
4459 | hv_exists_ent(seen_other, | |
4460 | sv_2mortal(newSViv(PTR2IV(*other_elem))), 0)) | |
0d863452 RH |
4461 | { |
4462 | if (*this_elem != *other_elem) | |
4463 | RETPUSHNO; | |
4464 | } | |
4465 | else { | |
04fe65b0 RGS |
4466 | (void)hv_store_ent(seen_this, |
4467 | sv_2mortal(newSViv(PTR2IV(*this_elem))), | |
4468 | &PL_sv_undef, 0); | |
4469 | (void)hv_store_ent(seen_other, | |
4470 | sv_2mortal(newSViv(PTR2IV(*other_elem))), | |
4471 | &PL_sv_undef, 0); | |
0d863452 | 4472 | PUSHs(*other_elem); |
a566f585 | 4473 | PUSHs(*this_elem); |
0d863452 RH |
4474 | |
4475 | PUTBACK; | |
d7c0d282 | 4476 | DEBUG_M(Perl_deb(aTHX_ " recursively comparing array element...\n")); |
0d863452 RH |
4477 | (void) do_smartmatch(seen_this, seen_other); |
4478 | SPAGAIN; | |
d7c0d282 | 4479 | DEBUG_M(Perl_deb(aTHX_ " recursion finished\n")); |
0d863452 RH |
4480 | |
4481 | if (!SvTRUEx(POPs)) | |
4482 | RETPUSHNO; | |
4483 | } | |
4484 | } | |
4485 | RETPUSHYES; | |
4486 | } | |
4487 | } | |
a566f585 | 4488 | else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_REGEXP) { |
d7c0d282 | 4489 | DEBUG_M(Perl_deb(aTHX_ " applying rule Regex-Array\n")); |
ea0c2dbd RGS |
4490 | sm_regex_array: |
4491 | { | |
4492 | PMOP * const matcher = make_matcher((REGEXP*) SvRV(d)); | |
4493 | const I32 this_len = av_len(MUTABLE_AV(SvRV(e))); | |
4494 | I32 i; | |
0d863452 | 4495 | |
ea0c2dbd RGS |
4496 | for(i = 0; i <= this_len; ++i) { |
4497 | SV * const * const svp = av_fetch(MUTABLE_AV(SvRV(e)), i, FALSE); | |
d7c0d282 | 4498 | DEBUG_M(Perl_deb(aTHX_ " testing element against pattern...\n")); |
ea0c2dbd RGS |
4499 | if (svp && matcher_matches_sv(matcher, *svp)) { |
4500 | destroy_matcher(matcher); | |
4501 | RETPUSHYES; | |
4502 | } | |
0d863452 | 4503 | } |
ea0c2dbd RGS |
4504 | destroy_matcher(matcher); |
4505 | RETPUSHNO; | |
0d863452 | 4506 | } |
0d863452 | 4507 | } |
015eb7b9 RGS |
4508 | else if (!SvOK(d)) { |
4509 | /* undef ~~ array */ | |
4510 | const I32 this_len = av_len(MUTABLE_AV(SvRV(e))); | |
0d863452 RH |
4511 | I32 i; |
4512 | ||
d7c0d282 | 4513 | DEBUG_M(Perl_deb(aTHX_ " applying rule Undef-Array\n")); |
015eb7b9 | 4514 | for (i = 0; i <= this_len; ++i) { |
b0138e99 | 4515 | SV * const * const svp = av_fetch(MUTABLE_AV(SvRV(e)), i, FALSE); |
d7c0d282 | 4516 | DEBUG_M(Perl_deb(aTHX_ " testing for undef element...\n")); |
015eb7b9 | 4517 | if (!svp || !SvOK(*svp)) |
0d863452 RH |
4518 | RETPUSHYES; |
4519 | } | |
4520 | RETPUSHNO; | |
4521 | } | |
015eb7b9 | 4522 | else { |
41e726ac RGS |
4523 | sm_any_array: |
4524 | { | |
4525 | I32 i; | |
4526 | const I32 this_len = av_len(MUTABLE_AV(SvRV(e))); | |
0d863452 | 4527 | |
d7c0d282 | 4528 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-Array\n")); |
41e726ac RGS |
4529 | for (i = 0; i <= this_len; ++i) { |
4530 | SV * const * const svp = av_fetch(MUTABLE_AV(SvRV(e)), i, FALSE); | |
4531 | if (!svp) | |
4532 | continue; | |
015eb7b9 | 4533 | |
41e726ac RGS |
4534 | PUSHs(d); |
4535 | PUSHs(*svp); | |
4536 | PUTBACK; | |
4537 | /* infinite recursion isn't supposed to happen here */ | |
d7c0d282 | 4538 | DEBUG_M(Perl_deb(aTHX_ " recursively testing array element...\n")); |
41e726ac RGS |
4539 | (void) do_smartmatch(NULL, NULL); |
4540 | SPAGAIN; | |
d7c0d282 | 4541 | DEBUG_M(Perl_deb(aTHX_ " recursion finished\n")); |
41e726ac RGS |
4542 | if (SvTRUEx(POPs)) |
4543 | RETPUSHYES; | |
4544 | } | |
4545 | RETPUSHNO; | |
0d863452 | 4546 | } |
0d863452 RH |
4547 | } |
4548 | } | |
b0138e99 | 4549 | /* ~~ qr// */ |
a566f585 | 4550 | else if (SvROK(e) && SvTYPE(SvRV(e)) == SVt_REGEXP) { |
ea0c2dbd RGS |
4551 | if (!object_on_left && SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVHV) { |
4552 | SV *t = d; d = e; e = t; | |
d7c0d282 | 4553 | DEBUG_M(Perl_deb(aTHX_ " applying rule Hash-Regex\n")); |
ea0c2dbd RGS |
4554 | goto sm_regex_hash; |
4555 | } | |
4556 | else if (!object_on_left && SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVAV) { | |
4557 | SV *t = d; d = e; e = t; | |
d7c0d282 | 4558 | DEBUG_M(Perl_deb(aTHX_ " applying rule Array-Regex\n")); |
ea0c2dbd RGS |
4559 | goto sm_regex_array; |
4560 | } | |
4561 | else { | |
4562 | PMOP * const matcher = make_matcher((REGEXP*) SvRV(e)); | |
0d863452 | 4563 | |
d7c0d282 | 4564 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-Regex\n")); |
ea0c2dbd RGS |
4565 | PUTBACK; |
4566 | PUSHs(matcher_matches_sv(matcher, d) | |
4567 | ? &PL_sv_yes | |
4568 | : &PL_sv_no); | |
4569 | destroy_matcher(matcher); | |
4570 | RETURN; | |
4571 | } | |
0d863452 | 4572 | } |
b0138e99 | 4573 | /* ~~ scalar */ |
2c9d2554 RGS |
4574 | /* See if there is overload magic on left */ |
4575 | else if (object_on_left && SvAMAGIC(d)) { | |
4576 | SV *tmpsv; | |
d7c0d282 DM |
4577 | DEBUG_M(Perl_deb(aTHX_ " applying rule Object-Any\n")); |
4578 | DEBUG_M(Perl_deb(aTHX_ " attempting overload\n")); | |
2c9d2554 RGS |
4579 | PUSHs(d); PUSHs(e); |
4580 | PUTBACK; | |
4581 | tmpsv = amagic_call(d, e, smart_amg, AMGf_noright); | |
4582 | if (tmpsv) { | |
4583 | SPAGAIN; | |
4584 | (void)POPs; | |
4585 | SETs(tmpsv); | |
4586 | RETURN; | |
4587 | } | |
4588 | SP -= 2; | |
d7c0d282 | 4589 | DEBUG_M(Perl_deb(aTHX_ " failed to run overload method; falling back...\n")); |
2c9d2554 RGS |
4590 | goto sm_any_scalar; |
4591 | } | |
fb51372e RGS |
4592 | else if (!SvOK(d)) { |
4593 | /* undef ~~ scalar ; we already know that the scalar is SvOK */ | |
d7c0d282 | 4594 | DEBUG_M(Perl_deb(aTHX_ " applying rule undef-Any\n")); |
fb51372e RGS |
4595 | RETPUSHNO; |
4596 | } | |
2c9d2554 RGS |
4597 | else |
4598 | sm_any_scalar: | |
4599 | if (SvNIOK(e) || (SvPOK(e) && looks_like_number(e) && SvNIOK(d))) { | |
d7c0d282 DM |
4600 | DEBUG_M(if (SvNIOK(e)) |
4601 | Perl_deb(aTHX_ " applying rule Any-Num\n"); | |
4602 | else | |
4603 | Perl_deb(aTHX_ " applying rule Num-numish\n"); | |
4604 | ); | |
33ed63a2 | 4605 | /* numeric comparison */ |
0d863452 RH |
4606 | PUSHs(d); PUSHs(e); |
4607 | PUTBACK; | |
a98fe34d | 4608 | if (CopHINTS_get(PL_curcop) & HINT_INTEGER) |
0d863452 RH |
4609 | (void) pp_i_eq(); |
4610 | else | |
4611 | (void) pp_eq(); | |
4612 | SPAGAIN; | |
4613 | if (SvTRUEx(POPs)) | |
4614 | RETPUSHYES; | |
4615 | else | |
4616 | RETPUSHNO; | |
4617 | } | |
4618 | ||
4619 | /* As a last resort, use string comparison */ | |
d7c0d282 | 4620 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-Any\n")); |
0d863452 RH |
4621 | PUSHs(d); PUSHs(e); |
4622 | PUTBACK; | |
4623 | return pp_seq(); | |
4624 | } | |
4625 | ||
4626 | PP(pp_enterwhen) | |
4627 | { | |
4628 | dVAR; dSP; | |
4629 | register PERL_CONTEXT *cx; | |
4630 | const I32 gimme = GIMME_V; | |
4631 | ||
4632 | /* This is essentially an optimization: if the match | |
4633 | fails, we don't want to push a context and then | |
4634 | pop it again right away, so we skip straight | |
4635 | to the op that follows the leavewhen. | |
25b991bf | 4636 | RETURNOP calls PUTBACK which restores the stack pointer after the POPs. |
0d863452 RH |
4637 | */ |
4638 | if ((0 == (PL_op->op_flags & OPf_SPECIAL)) && !SvTRUEx(POPs)) | |
25b991bf | 4639 | RETURNOP(cLOGOP->op_other->op_next); |
0d863452 | 4640 | |
d343c3ef | 4641 | ENTER_with_name("eval"); |
0d863452 RH |
4642 | SAVETMPS; |
4643 | ||
4644 | PUSHBLOCK(cx, CXt_WHEN, SP); | |
4645 | PUSHWHEN(cx); | |
4646 | ||
4647 | RETURN; | |
4648 | } | |
4649 | ||
4650 | PP(pp_leavewhen) | |
4651 | { | |
4652 | dVAR; dSP; | |
4653 | register PERL_CONTEXT *cx; | |
4654 | I32 gimme; | |
4655 | SV **newsp; | |
4656 | PMOP *newpm; | |
4657 | ||
4658 | POPBLOCK(cx,newpm); | |
4659 | assert(CxTYPE(cx) == CXt_WHEN); | |
4660 | ||
4661 | SP = newsp; | |
4662 | PUTBACK; | |
4663 | ||
4664 | PL_curpm = newpm; /* pop $1 et al */ | |
4665 | ||
d343c3ef | 4666 | LEAVE_with_name("eval"); |
0d863452 RH |
4667 | return NORMAL; |
4668 | } | |
4669 | ||
4670 | PP(pp_continue) | |
4671 | { | |
4672 | dVAR; | |
4673 | I32 cxix; | |
4674 | register PERL_CONTEXT *cx; | |
4675 | I32 inner; | |
4676 | ||
4677 | cxix = dopoptowhen(cxstack_ix); | |
4678 | if (cxix < 0) | |
4679 | DIE(aTHX_ "Can't \"continue\" outside a when block"); | |
4680 | if (cxix < cxstack_ix) | |
4681 | dounwind(cxix); | |
4682 | ||
4683 | /* clear off anything above the scope we're re-entering */ | |
4684 | inner = PL_scopestack_ix; | |
4685 | TOPBLOCK(cx); | |
4686 | if (PL_scopestack_ix < inner) | |
4687 | leave_scope(PL_scopestack[PL_scopestack_ix]); | |
4688 | PL_curcop = cx->blk_oldcop; | |
4689 | return cx->blk_givwhen.leave_op; | |
4690 | } | |
4691 | ||
4692 | PP(pp_break) | |
4693 | { | |
4694 | dVAR; | |
4695 | I32 cxix; | |
4696 | register PERL_CONTEXT *cx; | |
4697 | I32 inner; | |
25b991bf VP |
4698 | dSP; |
4699 | ||
0d863452 RH |
4700 | cxix = dopoptogiven(cxstack_ix); |
4701 | if (cxix < 0) { | |
4702 | if (PL_op->op_flags & OPf_SPECIAL) | |
4703 | DIE(aTHX_ "Can't use when() outside a topicalizer"); | |
4704 | else | |
4705 | DIE(aTHX_ "Can't \"break\" outside a given block"); | |
4706 | } | |
4707 | if (CxFOREACH(&cxstack[cxix]) && (0 == (PL_op->op_flags & OPf_SPECIAL))) | |
4708 | DIE(aTHX_ "Can't \"break\" in a loop topicalizer"); | |
4709 | ||
4710 | if (cxix < cxstack_ix) | |
4711 | dounwind(cxix); | |
4712 | ||
4713 | /* clear off anything above the scope we're re-entering */ | |
4714 | inner = PL_scopestack_ix; | |
4715 | TOPBLOCK(cx); | |
4716 | if (PL_scopestack_ix < inner) | |
4717 | leave_scope(PL_scopestack[PL_scopestack_ix]); | |
4718 | PL_curcop = cx->blk_oldcop; | |
4719 | ||
4720 | if (CxFOREACH(cx)) | |
022eaa24 | 4721 | return CX_LOOP_NEXTOP_GET(cx); |
0d863452 | 4722 | else |
25b991bf VP |
4723 | /* RETURNOP calls PUTBACK which restores the old old sp */ |
4724 | RETURNOP(cx->blk_givwhen.leave_op); | |
0d863452 RH |
4725 | } |
4726 | ||
a1b95068 | 4727 | STATIC OP * |
cea2e8a9 | 4728 | S_doparseform(pTHX_ SV *sv) |
a0d0e21e LW |
4729 | { |
4730 | STRLEN len; | |
4731 | register char *s = SvPV_force(sv, len); | |
c445ea15 AL |
4732 | register char * const send = s + len; |
4733 | register char *base = NULL; | |
a0d0e21e | 4734 | register I32 skipspaces = 0; |
9c5ffd7c JH |
4735 | bool noblank = FALSE; |
4736 | bool repeat = FALSE; | |
a0d0e21e | 4737 | bool postspace = FALSE; |
dea28490 JJ |
4738 | U32 *fops; |
4739 | register U32 *fpc; | |
cbbf8932 | 4740 | U32 *linepc = NULL; |
a0d0e21e LW |
4741 | register I32 arg; |
4742 | bool ischop; | |
a1b95068 WL |
4743 | bool unchopnum = FALSE; |
4744 | int maxops = 12; /* FF_LINEMARK + FF_END + 10 (\0 without preceding \n) */ | |
a0d0e21e | 4745 | |
7918f24d NC |
4746 | PERL_ARGS_ASSERT_DOPARSEFORM; |
4747 | ||
55497cff | 4748 | if (len == 0) |
cea2e8a9 | 4749 | Perl_croak(aTHX_ "Null picture in formline"); |
ac27b0f5 | 4750 | |
815f25c6 DM |
4751 | /* estimate the buffer size needed */ |
4752 | for (base = s; s <= send; s++) { | |
a1b95068 | 4753 | if (*s == '\n' || *s == '@' || *s == '^') |
815f25c6 DM |
4754 | maxops += 10; |
4755 | } | |
4756 | s = base; | |
c445ea15 | 4757 | base = NULL; |
815f25c6 | 4758 | |
a02a5408 | 4759 | Newx(fops, maxops, U32); |
a0d0e21e LW |
4760 | fpc = fops; |
4761 | ||
4762 | if (s < send) { | |
4763 | linepc = fpc; | |
4764 | *fpc++ = FF_LINEMARK; | |
4765 | noblank = repeat = FALSE; | |
4766 | base = s; | |
4767 | } | |
4768 | ||
4769 | while (s <= send) { | |
4770 | switch (*s++) { | |
4771 | default: | |
4772 | skipspaces = 0; | |
4773 | continue; | |
4774 | ||
4775 | case '~': | |
4776 | if (*s == '~') { | |
4777 | repeat = TRUE; | |
4778 | *s = ' '; | |
4779 | } | |
4780 | noblank = TRUE; | |
4781 | s[-1] = ' '; | |
4782 | /* FALL THROUGH */ | |
4783 | case ' ': case '\t': | |
4784 | skipspaces++; | |
4785 | continue; | |
a1b95068 WL |
4786 | case 0: |
4787 | if (s < send) { | |
4788 | skipspaces = 0; | |
4789 | continue; | |
4790 | } /* else FALL THROUGH */ | |
4791 | case '\n': | |
a0d0e21e LW |
4792 | arg = s - base; |
4793 | skipspaces++; | |
4794 | arg -= skipspaces; | |
4795 | if (arg) { | |
5f05dabc | 4796 | if (postspace) |
a0d0e21e | 4797 | *fpc++ = FF_SPACE; |
a0d0e21e | 4798 | *fpc++ = FF_LITERAL; |
eb160463 | 4799 | *fpc++ = (U16)arg; |
a0d0e21e | 4800 | } |
5f05dabc | 4801 | postspace = FALSE; |
a0d0e21e LW |
4802 | if (s <= send) |
4803 | skipspaces--; | |
4804 | if (skipspaces) { | |
4805 | *fpc++ = FF_SKIP; | |
eb160463 | 4806 | *fpc++ = (U16)skipspaces; |
a0d0e21e LW |
4807 | } |
4808 | skipspaces = 0; | |
4809 | if (s <= send) | |
4810 | *fpc++ = FF_NEWLINE; | |
4811 | if (noblank) { | |
4812 | *fpc++ = FF_BLANK; | |
4813 | if (repeat) | |
4814 | arg = fpc - linepc + 1; | |
4815 | else | |
4816 | arg = 0; | |
eb160463 | 4817 | *fpc++ = (U16)arg; |
a0d0e21e LW |
4818 | } |
4819 | if (s < send) { | |
4820 | linepc = fpc; | |
4821 | *fpc++ = FF_LINEMARK; | |
4822 | noblank = repeat = FALSE; | |
4823 | base = s; | |
4824 | } | |
4825 | else | |
4826 | s++; | |
4827 | continue; | |
4828 | ||
4829 | case '@': | |
4830 | case '^': | |
4831 | ischop = s[-1] == '^'; | |
4832 | ||
4833 | if (postspace) { | |
4834 | *fpc++ = FF_SPACE; | |
4835 | postspace = FALSE; | |
4836 | } | |
4837 | arg = (s - base) - 1; | |
4838 | if (arg) { | |
4839 | *fpc++ = FF_LITERAL; | |
eb160463 | 4840 | *fpc++ = (U16)arg; |
a0d0e21e LW |
4841 | } |
4842 | ||
4843 | base = s - 1; | |
4844 | *fpc++ = FF_FETCH; | |
4845 | if (*s == '*') { | |
4846 | s++; | |
a1b95068 WL |
4847 | *fpc++ = 2; /* skip the @* or ^* */ |
4848 | if (ischop) { | |
4849 | *fpc++ = FF_LINESNGL; | |
4850 | *fpc++ = FF_CHOP; | |
4851 | } else | |
4852 | *fpc++ = FF_LINEGLOB; | |
a0d0e21e LW |
4853 | } |
4854 | else if (*s == '#' || (*s == '.' && s[1] == '#')) { | |
4855 | arg = ischop ? 512 : 0; | |
4856 | base = s - 1; | |
4857 | while (*s == '#') | |
4858 | s++; | |
4859 | if (*s == '.') { | |
06b5626a | 4860 | const char * const f = ++s; |
a0d0e21e LW |
4861 | while (*s == '#') |
4862 | s++; | |
4863 | arg |= 256 + (s - f); | |
4864 | } | |
4865 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
4866 | *fpc++ = FF_DECIMAL; | |
eb160463 | 4867 | *fpc++ = (U16)arg; |
a1b95068 | 4868 | unchopnum |= ! ischop; |
784707d5 JP |
4869 | } |
4870 | else if (*s == '0' && s[1] == '#') { /* Zero padded decimals */ | |
4871 | arg = ischop ? 512 : 0; | |
4872 | base = s - 1; | |
4873 | s++; /* skip the '0' first */ | |
4874 | while (*s == '#') | |
4875 | s++; | |
4876 | if (*s == '.') { | |
06b5626a | 4877 | const char * const f = ++s; |
784707d5 JP |
4878 | while (*s == '#') |
4879 | s++; | |
4880 | arg |= 256 + (s - f); | |
4881 | } | |
4882 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
4883 | *fpc++ = FF_0DECIMAL; | |
eb160463 | 4884 | *fpc++ = (U16)arg; |
a1b95068 | 4885 | unchopnum |= ! ischop; |
a0d0e21e LW |
4886 | } |
4887 | else { | |
4888 | I32 prespace = 0; | |
4889 | bool ismore = FALSE; | |
4890 | ||
4891 | if (*s == '>') { | |
4892 | while (*++s == '>') ; | |
4893 | prespace = FF_SPACE; | |
4894 | } | |
4895 | else if (*s == '|') { | |
4896 | while (*++s == '|') ; | |
4897 | prespace = FF_HALFSPACE; | |
4898 | postspace = TRUE; | |
4899 | } | |
4900 | else { | |
4901 | if (*s == '<') | |
4902 | while (*++s == '<') ; | |
4903 | postspace = TRUE; | |
4904 | } | |
4905 | if (*s == '.' && s[1] == '.' && s[2] == '.') { | |
4906 | s += 3; | |
4907 | ismore = TRUE; | |
4908 | } | |
4909 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
4910 | ||
4911 | *fpc++ = ischop ? FF_CHECKCHOP : FF_CHECKNL; | |
4912 | ||
4913 | if (prespace) | |
eb160463 | 4914 | *fpc++ = (U16)prespace; |
a0d0e21e LW |
4915 | *fpc++ = FF_ITEM; |
4916 | if (ismore) | |
4917 | *fpc++ = FF_MORE; | |
4918 | if (ischop) | |
4919 | *fpc++ = FF_CHOP; | |
4920 | } | |
4921 | base = s; | |
4922 | skipspaces = 0; | |
4923 | continue; | |
4924 | } | |
4925 | } | |
4926 | *fpc++ = FF_END; | |
4927 | ||
815f25c6 | 4928 | assert (fpc <= fops + maxops); /* ensure our buffer estimate was valid */ |
a0d0e21e LW |
4929 | arg = fpc - fops; |
4930 | { /* need to jump to the next word */ | |
4931 | int z; | |
4932 | z = WORD_ALIGN - SvCUR(sv) % WORD_ALIGN; | |
dea28490 | 4933 | SvGROW(sv, SvCUR(sv) + z + arg * sizeof(U32) + 4); |
a0d0e21e LW |
4934 | s = SvPVX(sv) + SvCUR(sv) + z; |
4935 | } | |
dea28490 | 4936 | Copy(fops, s, arg, U32); |
a0d0e21e | 4937 | Safefree(fops); |
c445ea15 | 4938 | sv_magic(sv, NULL, PERL_MAGIC_fm, NULL, 0); |
a0d0e21e | 4939 | SvCOMPILED_on(sv); |
a1b95068 | 4940 | |
bfed75c6 | 4941 | if (unchopnum && repeat) |
a1b95068 WL |
4942 | DIE(aTHX_ "Repeated format line will never terminate (~~ and @#)"); |
4943 | return 0; | |
4944 | } | |
4945 | ||
4946 | ||
4947 | STATIC bool | |
4948 | S_num_overflow(NV value, I32 fldsize, I32 frcsize) | |
4949 | { | |
4950 | /* Can value be printed in fldsize chars, using %*.*f ? */ | |
4951 | NV pwr = 1; | |
4952 | NV eps = 0.5; | |
4953 | bool res = FALSE; | |
4954 | int intsize = fldsize - (value < 0 ? 1 : 0); | |
4955 | ||
4956 | if (frcsize & 256) | |
4957 | intsize--; | |
4958 | frcsize &= 255; | |
4959 | intsize -= frcsize; | |
4960 | ||
4961 | while (intsize--) pwr *= 10.0; | |
4962 | while (frcsize--) eps /= 10.0; | |
4963 | ||
4964 | if( value >= 0 ){ | |
4965 | if (value + eps >= pwr) | |
4966 | res = TRUE; | |
4967 | } else { | |
4968 | if (value - eps <= -pwr) | |
4969 | res = TRUE; | |
4970 | } | |
4971 | return res; | |
a0d0e21e | 4972 | } |
4e35701f | 4973 | |
bbed91b5 | 4974 | static I32 |
0bd48802 | 4975 | S_run_user_filter(pTHX_ int idx, SV *buf_sv, int maxlen) |
bbed91b5 | 4976 | { |
27da23d5 | 4977 | dVAR; |
0bd48802 | 4978 | SV * const datasv = FILTER_DATA(idx); |
504618e9 | 4979 | const int filter_has_file = IoLINES(datasv); |
ad64d0ec NC |
4980 | SV * const filter_state = MUTABLE_SV(IoTOP_GV(datasv)); |
4981 | SV * const filter_sub = MUTABLE_SV(IoBOTTOM_GV(datasv)); | |
941a98a0 | 4982 | int status = 0; |
ec0b63d7 | 4983 | SV *upstream; |
941a98a0 | 4984 | STRLEN got_len; |
162177c1 Z |
4985 | char *got_p = NULL; |
4986 | char *prune_from = NULL; | |
34113e50 | 4987 | bool read_from_cache = FALSE; |
bb7a0f54 MHM |
4988 | STRLEN umaxlen; |
4989 | ||
7918f24d NC |
4990 | PERL_ARGS_ASSERT_RUN_USER_FILTER; |
4991 | ||
bb7a0f54 MHM |
4992 | assert(maxlen >= 0); |
4993 | umaxlen = maxlen; | |
5675696b | 4994 | |
bbed91b5 KF |
4995 | /* I was having segfault trouble under Linux 2.2.5 after a |
4996 | parse error occured. (Had to hack around it with a test | |
13765c85 | 4997 | for PL_parser->error_count == 0.) Solaris doesn't segfault -- |
bbed91b5 KF |
4998 | not sure where the trouble is yet. XXX */ |
4999 | ||
4464f08e NC |
5000 | { |
5001 | SV *const cache = datasv; | |
937b367d NC |
5002 | if (SvOK(cache)) { |
5003 | STRLEN cache_len; | |
5004 | const char *cache_p = SvPV(cache, cache_len); | |
941a98a0 NC |
5005 | STRLEN take = 0; |
5006 | ||
bb7a0f54 | 5007 | if (umaxlen) { |
941a98a0 NC |
5008 | /* Running in block mode and we have some cached data already. |
5009 | */ | |
bb7a0f54 | 5010 | if (cache_len >= umaxlen) { |
941a98a0 NC |
5011 | /* In fact, so much data we don't even need to call |
5012 | filter_read. */ | |
bb7a0f54 | 5013 | take = umaxlen; |
941a98a0 NC |
5014 | } |
5015 | } else { | |
10edeb5d JH |
5016 | const char *const first_nl = |
5017 | (const char *)memchr(cache_p, '\n', cache_len); | |
941a98a0 NC |
5018 | if (first_nl) { |
5019 | take = first_nl + 1 - cache_p; | |
5020 | } | |
5021 | } | |
5022 | if (take) { | |
5023 | sv_catpvn(buf_sv, cache_p, take); | |
5024 | sv_chop(cache, cache_p + take); | |
937b367d NC |
5025 | /* Definately not EOF */ |
5026 | return 1; | |
5027 | } | |
941a98a0 | 5028 | |
937b367d | 5029 | sv_catsv(buf_sv, cache); |
bb7a0f54 MHM |
5030 | if (umaxlen) { |
5031 | umaxlen -= cache_len; | |
941a98a0 | 5032 | } |
937b367d | 5033 | SvOK_off(cache); |
34113e50 | 5034 | read_from_cache = TRUE; |
937b367d NC |
5035 | } |
5036 | } | |
ec0b63d7 | 5037 | |
34113e50 NC |
5038 | /* Filter API says that the filter appends to the contents of the buffer. |
5039 | Usually the buffer is "", so the details don't matter. But if it's not, | |
5040 | then clearly what it contains is already filtered by this filter, so we | |
5041 | don't want to pass it in a second time. | |
5042 | I'm going to use a mortal in case the upstream filter croaks. */ | |
ec0b63d7 NC |
5043 | upstream = ((SvOK(buf_sv) && sv_len(buf_sv)) || SvGMAGICAL(buf_sv)) |
5044 | ? sv_newmortal() : buf_sv; | |
5045 | SvUPGRADE(upstream, SVt_PV); | |
937b367d | 5046 | |
bbed91b5 | 5047 | if (filter_has_file) { |
67e70b33 | 5048 | status = FILTER_READ(idx+1, upstream, 0); |
bbed91b5 KF |
5049 | } |
5050 | ||
34113e50 | 5051 | if (filter_sub && status >= 0) { |
39644a26 | 5052 | dSP; |
bbed91b5 KF |
5053 | int count; |
5054 | ||
d343c3ef | 5055 | ENTER_with_name("call_filter_sub"); |
bbed91b5 KF |
5056 | SAVE_DEFSV; |
5057 | SAVETMPS; | |
5058 | EXTEND(SP, 2); | |
5059 | ||
414bf5ae | 5060 | DEFSV_set(upstream); |
bbed91b5 | 5061 | PUSHMARK(SP); |
6e449a3a | 5062 | mPUSHi(0); |
bbed91b5 KF |
5063 | if (filter_state) { |
5064 | PUSHs(filter_state); | |
5065 | } | |
5066 | PUTBACK; | |
5067 | count = call_sv(filter_sub, G_SCALAR); | |
5068 | SPAGAIN; | |
5069 | ||
5070 | if (count > 0) { | |
5071 | SV *out = POPs; | |
5072 | if (SvOK(out)) { | |
941a98a0 | 5073 | status = SvIV(out); |
bbed91b5 KF |
5074 | } |
5075 | } | |
5076 | ||
5077 | PUTBACK; | |
5078 | FREETMPS; | |
d343c3ef | 5079 | LEAVE_with_name("call_filter_sub"); |
bbed91b5 KF |
5080 | } |
5081 | ||
941a98a0 NC |
5082 | if(SvOK(upstream)) { |
5083 | got_p = SvPV(upstream, got_len); | |
bb7a0f54 MHM |
5084 | if (umaxlen) { |
5085 | if (got_len > umaxlen) { | |
5086 | prune_from = got_p + umaxlen; | |
937b367d | 5087 | } |
941a98a0 | 5088 | } else { |
162177c1 | 5089 | char *const first_nl = (char *)memchr(got_p, '\n', got_len); |
941a98a0 NC |
5090 | if (first_nl && first_nl + 1 < got_p + got_len) { |
5091 | /* There's a second line here... */ | |
5092 | prune_from = first_nl + 1; | |
937b367d | 5093 | } |
937b367d NC |
5094 | } |
5095 | } | |
941a98a0 NC |
5096 | if (prune_from) { |
5097 | /* Oh. Too long. Stuff some in our cache. */ | |
5098 | STRLEN cached_len = got_p + got_len - prune_from; | |
4464f08e | 5099 | SV *const cache = datasv; |
941a98a0 | 5100 | |
4464f08e | 5101 | if (SvOK(cache)) { |
941a98a0 NC |
5102 | /* Cache should be empty. */ |
5103 | assert(!SvCUR(cache)); | |
5104 | } | |
5105 | ||
5106 | sv_setpvn(cache, prune_from, cached_len); | |
5107 | /* If you ask for block mode, you may well split UTF-8 characters. | |
5108 | "If it breaks, you get to keep both parts" | |
5109 | (Your code is broken if you don't put them back together again | |
5110 | before something notices.) */ | |
5111 | if (SvUTF8(upstream)) { | |
5112 | SvUTF8_on(cache); | |
5113 | } | |
5114 | SvCUR_set(upstream, got_len - cached_len); | |
162177c1 | 5115 | *prune_from = 0; |
941a98a0 NC |
5116 | /* Can't yet be EOF */ |
5117 | if (status == 0) | |
5118 | status = 1; | |
5119 | } | |
937b367d | 5120 | |
34113e50 NC |
5121 | /* If they are at EOF but buf_sv has something in it, then they may never |
5122 | have touched the SV upstream, so it may be undefined. If we naively | |
5123 | concatenate it then we get a warning about use of uninitialised value. | |
5124 | */ | |
5125 | if (upstream != buf_sv && (SvOK(upstream) || SvGMAGICAL(upstream))) { | |
937b367d NC |
5126 | sv_catsv(buf_sv, upstream); |
5127 | } | |
5128 | ||
941a98a0 | 5129 | if (status <= 0) { |
bbed91b5 | 5130 | IoLINES(datasv) = 0; |
bbed91b5 KF |
5131 | if (filter_state) { |
5132 | SvREFCNT_dec(filter_state); | |
a0714e2c | 5133 | IoTOP_GV(datasv) = NULL; |
bbed91b5 KF |
5134 | } |
5135 | if (filter_sub) { | |
5136 | SvREFCNT_dec(filter_sub); | |
a0714e2c | 5137 | IoBOTTOM_GV(datasv) = NULL; |
bbed91b5 | 5138 | } |
0bd48802 | 5139 | filter_del(S_run_user_filter); |
bbed91b5 | 5140 | } |
34113e50 NC |
5141 | if (status == 0 && read_from_cache) { |
5142 | /* If we read some data from the cache (and by getting here it implies | |
5143 | that we emptied the cache) then we aren't yet at EOF, and mustn't | |
5144 | report that to our caller. */ | |
5145 | return 1; | |
5146 | } | |
941a98a0 | 5147 | return status; |
bbed91b5 | 5148 | } |
84d4ea48 | 5149 | |
be4b629d CN |
5150 | /* perhaps someone can come up with a better name for |
5151 | this? it is not really "absolute", per se ... */ | |
cf42f822 | 5152 | static bool |
5f66b61c | 5153 | S_path_is_absolute(const char *name) |
be4b629d | 5154 | { |
7918f24d NC |
5155 | PERL_ARGS_ASSERT_PATH_IS_ABSOLUTE; |
5156 | ||
be4b629d | 5157 | if (PERL_FILE_IS_ABSOLUTE(name) |
3f66cd94 | 5158 | #ifdef WIN32 |
36f064bc CL |
5159 | || (*name == '.' && ((name[1] == '/' || |
5160 | (name[1] == '.' && name[2] == '/')) | |
5161 | || (name[1] == '\\' || | |
5162 | ( name[1] == '.' && name[2] == '\\'))) | |
5163 | ) | |
5164 | #else | |
be4b629d | 5165 | || (*name == '.' && (name[1] == '/' || |
0bd48802 | 5166 | (name[1] == '.' && name[2] == '/'))) |
36f064bc | 5167 | #endif |
0bd48802 | 5168 | ) |
be4b629d CN |
5169 | { |
5170 | return TRUE; | |
5171 | } | |
5172 | else | |
5173 | return FALSE; | |
5174 | } | |
241d1a3b NC |
5175 | |
5176 | /* | |
5177 | * Local variables: | |
5178 | * c-indentation-style: bsd | |
5179 | * c-basic-offset: 4 | |
5180 | * indent-tabs-mode: t | |
5181 | * End: | |
5182 | * | |
37442d52 RGS |
5183 | * ex: set ts=8 sts=4 sw=4 noet: |
5184 | */ |