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 { \ | |
99 | if (SvROK(rx) && SvAMAGIC(rx)) { \ | |
100 | SV *sv = AMG_CALLun(rx, regexp); \ | |
101 | if (sv) { \ | |
102 | if (SvROK(sv)) \ | |
103 | sv = SvRV(sv); \ | |
104 | if (SvTYPE(sv) != SVt_REGEXP) \ | |
105 | Perl_croak(aTHX_ "Overloaded qr did not return a REGEXP"); \ | |
106 | rx = sv; \ | |
107 | } \ | |
108 | } \ | |
109 | } STMT_END | |
110 | ||
111 | ||
131b3ad0 DM |
112 | if (PL_op->op_flags & OPf_STACKED) { |
113 | /* multiple args; concatentate them */ | |
114 | dMARK; dORIGMARK; | |
115 | tmpstr = PAD_SV(ARGTARG); | |
76f68e9b | 116 | sv_setpvs(tmpstr, ""); |
131b3ad0 | 117 | while (++MARK <= SP) { |
d4b87e75 | 118 | SV *msv = *MARK; |
131b3ad0 DM |
119 | if (PL_amagic_generation) { |
120 | SV *sv; | |
d4b87e75 BM |
121 | |
122 | tryAMAGICregexp(msv); | |
123 | ||
124 | if ((SvAMAGIC(tmpstr) || SvAMAGIC(msv)) && | |
125 | (sv = amagic_call(tmpstr, msv, concat_amg, AMGf_assign))) | |
131b3ad0 DM |
126 | { |
127 | sv_setsv(tmpstr, sv); | |
128 | continue; | |
129 | } | |
130 | } | |
d4b87e75 | 131 | sv_catsv(tmpstr, msv); |
131b3ad0 DM |
132 | } |
133 | SvSETMAGIC(tmpstr); | |
134 | SP = ORIGMARK; | |
135 | } | |
d4b87e75 | 136 | else { |
131b3ad0 | 137 | tmpstr = POPs; |
d4b87e75 BM |
138 | tryAMAGICregexp(tmpstr); |
139 | } | |
140 | ||
141 | #undef tryAMAGICregexp | |
513629ba | 142 | |
b3eb6a9b | 143 | if (SvROK(tmpstr)) { |
d8f6592e | 144 | SV * const sv = SvRV(tmpstr); |
5c35adbb | 145 | if (SvTYPE(sv) == SVt_REGEXP) |
d2f13c59 | 146 | re = (REGEXP*) sv; |
c277df42 | 147 | } |
d4b87e75 BM |
148 | else if (SvTYPE(tmpstr) == SVt_REGEXP) |
149 | re = (REGEXP*) tmpstr; | |
150 | ||
5c35adbb | 151 | if (re) { |
69dc4b30 FC |
152 | /* The match's LHS's get-magic might need to access this op's reg- |
153 | exp (as is sometimes the case with $'; see bug 70764). So we | |
154 | must call get-magic now before we replace the regexp. Hopeful- | |
155 | ly this hack can be replaced with the approach described at | |
156 | http://www.nntp.perl.org/group/perl.perl5.porters/2007/03 | |
157 | /msg122415.html some day. */ | |
455d9033 FC |
158 | if(pm->op_type == OP_MATCH) { |
159 | SV *lhs; | |
160 | const bool was_tainted = PL_tainted; | |
161 | if (pm->op_flags & OPf_STACKED) | |
69dc4b30 | 162 | lhs = TOPs; |
455d9033 FC |
163 | else if (pm->op_private & OPpTARGET_MY) |
164 | lhs = PAD_SV(pm->op_targ); | |
165 | else lhs = DEFSV; | |
166 | SvGETMAGIC(lhs); | |
167 | /* Restore the previous value of PL_tainted (which may have been | |
168 | modified by get-magic), to avoid incorrectly setting the | |
169 | RXf_TAINTED flag further down. */ | |
170 | PL_tainted = was_tainted; | |
171 | } | |
69dc4b30 | 172 | |
f0826785 | 173 | re = reg_temp_copy(NULL, re); |
aaa362c4 | 174 | ReREFCNT_dec(PM_GETRE(pm)); |
28d8d7f4 | 175 | PM_SETRE(pm, re); |
c277df42 IZ |
176 | } |
177 | else { | |
e62f0680 | 178 | STRLEN len; |
3ab4a224 | 179 | const char *t = SvOK(tmpstr) ? SvPV_const(tmpstr, len) : ""; |
c737faaf | 180 | re = PM_GETRE(pm); |
14a49a24 | 181 | assert (re != (REGEXP*) &PL_sv_undef); |
c277df42 | 182 | |
20408e3c | 183 | /* Check against the last compiled regexp. */ |
a11c8683 | 184 | if (!re || !RX_PRECOMP(re) || RX_PRELEN(re) != len || |
220fc49f | 185 | memNE(RX_PRECOMP(re), t, len)) |
85aff577 | 186 | { |
07bc277f | 187 | const regexp_engine *eng = re ? RX_ENGINE(re) : NULL; |
c737faaf | 188 | U32 pm_flags = pm->op_pmflags & PMf_COMPILETIME; |
d8f6592e AL |
189 | if (re) { |
190 | ReREFCNT_dec(re); | |
14a49a24 NC |
191 | #ifdef USE_ITHREADS |
192 | PM_SETRE(pm, (REGEXP*) &PL_sv_undef); | |
193 | #else | |
4608196e | 194 | PM_SETRE(pm, NULL); /* crucial if regcomp aborts */ |
14a49a24 | 195 | #endif |
1e2e3d02 YO |
196 | } else if (PL_curcop->cop_hints_hash) { |
197 | SV *ptr = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash, 0, | |
198 | "regcomp", 7, 0, 0); | |
199 | if (ptr && SvIOK(ptr) && SvIV(ptr)) | |
200 | eng = INT2PTR(regexp_engine*,SvIV(ptr)); | |
c277df42 | 201 | } |
664e119d | 202 | |
533c011a | 203 | if (PL_op->op_flags & OPf_SPECIAL) |
3280af22 | 204 | PL_reginterp_cnt = I32_MAX; /* Mark as safe. */ |
a0d0e21e | 205 | |
b9ad30b4 NC |
206 | if (DO_UTF8(tmpstr)) { |
207 | assert (SvUTF8(tmpstr)); | |
208 | } else if (SvUTF8(tmpstr)) { | |
209 | /* Not doing UTF-8, despite what the SV says. Is this only if | |
210 | we're trapped in use 'bytes'? */ | |
211 | /* Make a copy of the octet sequence, but without the flag on, | |
212 | as the compiler now honours the SvUTF8 flag on tmpstr. */ | |
213 | STRLEN len; | |
214 | const char *const p = SvPV(tmpstr, len); | |
215 | tmpstr = newSVpvn_flags(p, len, SVs_TEMP); | |
216 | } | |
c737faaf | 217 | |
3ab4a224 AB |
218 | if (eng) |
219 | PM_SETRE(pm, CALLREGCOMP_ENG(eng, tmpstr, pm_flags)); | |
220 | else | |
221 | PM_SETRE(pm, CALLREGCOMP(tmpstr, pm_flags)); | |
c737faaf | 222 | |
f86aaa29 | 223 | PL_reginterp_cnt = 0; /* XXXX Be extra paranoid - needed |
2cd61cdb | 224 | inside tie/overload accessors. */ |
c277df42 | 225 | } |
4633a7c4 | 226 | } |
c737faaf YO |
227 | |
228 | re = PM_GETRE(pm); | |
a0d0e21e | 229 | |
72311751 | 230 | #ifndef INCOMPLETE_TAINTS |
3280af22 NIS |
231 | if (PL_tainting) { |
232 | if (PL_tainted) | |
07bc277f | 233 | RX_EXTFLAGS(re) |= RXf_TAINTED; |
72311751 | 234 | else |
07bc277f | 235 | RX_EXTFLAGS(re) &= ~RXf_TAINTED; |
72311751 GS |
236 | } |
237 | #endif | |
238 | ||
220fc49f | 239 | if (!RX_PRELEN(PM_GETRE(pm)) && PL_curpm) |
3280af22 | 240 | pm = PL_curpm; |
a0d0e21e | 241 | |
c737faaf YO |
242 | |
243 | #if !defined(USE_ITHREADS) | |
244 | /* can't change the optree at runtime either */ | |
245 | /* PMf_KEEP is handled differently under threads to avoid these problems */ | |
a0d0e21e | 246 | if (pm->op_pmflags & PMf_KEEP) { |
c90c0ff4 | 247 | pm->op_private &= ~OPpRUNTIME; /* no point compiling again */ |
533c011a | 248 | cLOGOP->op_first->op_next = PL_op->op_next; |
a0d0e21e | 249 | } |
c737faaf | 250 | #endif |
a0d0e21e LW |
251 | RETURN; |
252 | } | |
253 | ||
254 | PP(pp_substcont) | |
255 | { | |
97aff369 | 256 | dVAR; |
39644a26 | 257 | dSP; |
c09156bb | 258 | register PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
901017d6 AL |
259 | register PMOP * const pm = (PMOP*) cLOGOP->op_other; |
260 | register SV * const dstr = cx->sb_dstr; | |
a0d0e21e LW |
261 | register char *s = cx->sb_s; |
262 | register char *m = cx->sb_m; | |
263 | char *orig = cx->sb_orig; | |
901017d6 | 264 | register REGEXP * const rx = cx->sb_rx; |
c445ea15 | 265 | SV *nsv = NULL; |
988e6e7e | 266 | REGEXP *old = PM_GETRE(pm); |
f410a211 NC |
267 | |
268 | PERL_ASYNC_CHECK(); | |
269 | ||
988e6e7e | 270 | if(old != rx) { |
bfed75c6 | 271 | if(old) |
988e6e7e | 272 | ReREFCNT_dec(old); |
d6106309 | 273 | PM_SETRE(pm,ReREFCNT_inc(rx)); |
d8f2cf8a AB |
274 | } |
275 | ||
d9f97599 | 276 | rxres_restore(&cx->sb_rxres, rx); |
01b35787 | 277 | RX_MATCH_UTF8_set(rx, DO_UTF8(cx->sb_targ)); |
c90c0ff4 | 278 | |
a0d0e21e | 279 | if (cx->sb_iters++) { |
a3b680e6 | 280 | const I32 saviters = cx->sb_iters; |
a0d0e21e | 281 | if (cx->sb_iters > cx->sb_maxiters) |
cea2e8a9 | 282 | DIE(aTHX_ "Substitution loop"); |
a0d0e21e | 283 | |
447ee134 DM |
284 | SvGETMAGIC(TOPs); /* possibly clear taint on $1 etc: #67962 */ |
285 | ||
48c036b1 GS |
286 | if (!(cx->sb_rxtainted & 2) && SvTAINTED(TOPs)) |
287 | cx->sb_rxtainted |= 2; | |
447ee134 | 288 | sv_catsv_nomg(dstr, POPs); |
2c296965 YO |
289 | /* XXX: adjust for positive offsets of \G for instance s/(.)\G//g with positive pos() */ |
290 | s -= RX_GOFS(rx); | |
a0d0e21e LW |
291 | |
292 | /* Are we done */ | |
2c296965 YO |
293 | if (CxONCE(cx) || s < orig || |
294 | !CALLREGEXEC(rx, s, cx->sb_strend, orig, | |
295 | (s == m) + RX_GOFS(rx), cx->sb_targ, NULL, | |
296 | ((cx->sb_rflags & REXEC_COPY_STR) | |
297 | ? (REXEC_IGNOREPOS|REXEC_NOT_FIRST) | |
298 | : (REXEC_COPY_STR|REXEC_IGNOREPOS|REXEC_NOT_FIRST)))) | |
a0d0e21e | 299 | { |
823a54a3 | 300 | SV * const targ = cx->sb_targ; |
748a9306 | 301 | |
078c425b JH |
302 | assert(cx->sb_strend >= s); |
303 | if(cx->sb_strend > s) { | |
304 | if (DO_UTF8(dstr) && !SvUTF8(targ)) | |
305 | sv_catpvn_utf8_upgrade(dstr, s, cx->sb_strend - s, nsv); | |
306 | else | |
307 | sv_catpvn(dstr, s, cx->sb_strend - s); | |
308 | } | |
48c036b1 | 309 | cx->sb_rxtainted |= RX_MATCH_TAINTED(rx); |
9212bbba | 310 | |
f8c7b90f | 311 | #ifdef PERL_OLD_COPY_ON_WRITE |
ed252734 NC |
312 | if (SvIsCOW(targ)) { |
313 | sv_force_normal_flags(targ, SV_COW_DROP_PV); | |
314 | } else | |
315 | #endif | |
316 | { | |
8bd4d4c5 | 317 | SvPV_free(targ); |
ed252734 | 318 | } |
f880fe2f | 319 | SvPV_set(targ, SvPVX(dstr)); |
748a9306 LW |
320 | SvCUR_set(targ, SvCUR(dstr)); |
321 | SvLEN_set(targ, SvLEN(dstr)); | |
1aa99e6b IH |
322 | if (DO_UTF8(dstr)) |
323 | SvUTF8_on(targ); | |
6136c704 | 324 | SvPV_set(dstr, NULL); |
48c036b1 GS |
325 | |
326 | TAINT_IF(cx->sb_rxtainted & 1); | |
6e449a3a | 327 | mPUSHi(saviters - 1); |
48c036b1 | 328 | |
ffc61ed2 | 329 | (void)SvPOK_only_UTF8(targ); |
48c036b1 | 330 | TAINT_IF(cx->sb_rxtainted); |
a0d0e21e | 331 | SvSETMAGIC(targ); |
9212bbba | 332 | SvTAINT(targ); |
5cd24f17 | 333 | |
4633a7c4 | 334 | LEAVE_SCOPE(cx->sb_oldsave); |
a0d0e21e LW |
335 | POPSUBST(cx); |
336 | RETURNOP(pm->op_next); | |
337 | } | |
8e5e9ebe | 338 | cx->sb_iters = saviters; |
a0d0e21e | 339 | } |
07bc277f | 340 | if (RX_MATCH_COPIED(rx) && RX_SUBBEG(rx) != orig) { |
a0d0e21e LW |
341 | m = s; |
342 | s = orig; | |
07bc277f | 343 | cx->sb_orig = orig = RX_SUBBEG(rx); |
a0d0e21e LW |
344 | s = orig + (m - s); |
345 | cx->sb_strend = s + (cx->sb_strend - m); | |
346 | } | |
07bc277f | 347 | cx->sb_m = m = RX_OFFS(rx)[0].start + orig; |
db79b45b | 348 | if (m > s) { |
bfed75c6 | 349 | if (DO_UTF8(dstr) && !SvUTF8(cx->sb_targ)) |
db79b45b JH |
350 | sv_catpvn_utf8_upgrade(dstr, s, m - s, nsv); |
351 | else | |
352 | sv_catpvn(dstr, s, m-s); | |
353 | } | |
07bc277f | 354 | cx->sb_s = RX_OFFS(rx)[0].end + orig; |
084916e3 | 355 | { /* Update the pos() information. */ |
44f8325f | 356 | SV * const sv = cx->sb_targ; |
084916e3 | 357 | MAGIC *mg; |
7a7f3e45 | 358 | SvUPGRADE(sv, SVt_PVMG); |
14befaf4 | 359 | if (!(mg = mg_find(sv, PERL_MAGIC_regex_global))) { |
d83f0a82 | 360 | #ifdef PERL_OLD_COPY_ON_WRITE |
51a9ea20 | 361 | if (SvIsCOW(sv)) |
d83f0a82 NC |
362 | sv_force_normal_flags(sv, 0); |
363 | #endif | |
364 | mg = sv_magicext(sv, NULL, PERL_MAGIC_regex_global, &PL_vtbl_mglob, | |
365 | NULL, 0); | |
084916e3 | 366 | } |
ce474962 | 367 | mg->mg_len = m - orig; |
084916e3 | 368 | } |
988e6e7e | 369 | if (old != rx) |
d6106309 | 370 | (void)ReREFCNT_inc(rx); |
d9f97599 GS |
371 | cx->sb_rxtainted |= RX_MATCH_TAINTED(rx); |
372 | rxres_save(&cx->sb_rxres, rx); | |
29f2e912 | 373 | RETURNOP(pm->op_pmstashstartu.op_pmreplstart); |
a0d0e21e LW |
374 | } |
375 | ||
c90c0ff4 | 376 | void |
864dbfa3 | 377 | Perl_rxres_save(pTHX_ void **rsp, REGEXP *rx) |
c90c0ff4 | 378 | { |
379 | UV *p = (UV*)*rsp; | |
380 | U32 i; | |
7918f24d NC |
381 | |
382 | PERL_ARGS_ASSERT_RXRES_SAVE; | |
96a5add6 | 383 | PERL_UNUSED_CONTEXT; |
c90c0ff4 | 384 | |
07bc277f | 385 | if (!p || p[1] < RX_NPARENS(rx)) { |
f8c7b90f | 386 | #ifdef PERL_OLD_COPY_ON_WRITE |
07bc277f | 387 | i = 7 + RX_NPARENS(rx) * 2; |
ed252734 | 388 | #else |
07bc277f | 389 | i = 6 + RX_NPARENS(rx) * 2; |
ed252734 | 390 | #endif |
c90c0ff4 | 391 | if (!p) |
a02a5408 | 392 | Newx(p, i, UV); |
c90c0ff4 | 393 | else |
394 | Renew(p, i, UV); | |
395 | *rsp = (void*)p; | |
396 | } | |
397 | ||
07bc277f | 398 | *p++ = PTR2UV(RX_MATCH_COPIED(rx) ? RX_SUBBEG(rx) : NULL); |
cf93c79d | 399 | RX_MATCH_COPIED_off(rx); |
c90c0ff4 | 400 | |
f8c7b90f | 401 | #ifdef PERL_OLD_COPY_ON_WRITE |
bdd9a1b1 NC |
402 | *p++ = PTR2UV(RX_SAVED_COPY(rx)); |
403 | RX_SAVED_COPY(rx) = NULL; | |
ed252734 NC |
404 | #endif |
405 | ||
07bc277f | 406 | *p++ = RX_NPARENS(rx); |
c90c0ff4 | 407 | |
07bc277f NC |
408 | *p++ = PTR2UV(RX_SUBBEG(rx)); |
409 | *p++ = (UV)RX_SUBLEN(rx); | |
410 | for (i = 0; i <= RX_NPARENS(rx); ++i) { | |
411 | *p++ = (UV)RX_OFFS(rx)[i].start; | |
412 | *p++ = (UV)RX_OFFS(rx)[i].end; | |
c90c0ff4 | 413 | } |
414 | } | |
415 | ||
9c105995 NC |
416 | static void |
417 | S_rxres_restore(pTHX_ void **rsp, REGEXP *rx) | |
c90c0ff4 | 418 | { |
419 | UV *p = (UV*)*rsp; | |
420 | U32 i; | |
7918f24d NC |
421 | |
422 | PERL_ARGS_ASSERT_RXRES_RESTORE; | |
96a5add6 | 423 | PERL_UNUSED_CONTEXT; |
c90c0ff4 | 424 | |
ed252734 | 425 | RX_MATCH_COPY_FREE(rx); |
cf93c79d | 426 | RX_MATCH_COPIED_set(rx, *p); |
c90c0ff4 | 427 | *p++ = 0; |
428 | ||
f8c7b90f | 429 | #ifdef PERL_OLD_COPY_ON_WRITE |
bdd9a1b1 NC |
430 | if (RX_SAVED_COPY(rx)) |
431 | SvREFCNT_dec (RX_SAVED_COPY(rx)); | |
432 | RX_SAVED_COPY(rx) = INT2PTR(SV*,*p); | |
ed252734 NC |
433 | *p++ = 0; |
434 | #endif | |
435 | ||
07bc277f | 436 | RX_NPARENS(rx) = *p++; |
c90c0ff4 | 437 | |
07bc277f NC |
438 | RX_SUBBEG(rx) = INT2PTR(char*,*p++); |
439 | RX_SUBLEN(rx) = (I32)(*p++); | |
440 | for (i = 0; i <= RX_NPARENS(rx); ++i) { | |
441 | RX_OFFS(rx)[i].start = (I32)(*p++); | |
442 | RX_OFFS(rx)[i].end = (I32)(*p++); | |
c90c0ff4 | 443 | } |
444 | } | |
445 | ||
9c105995 NC |
446 | static void |
447 | S_rxres_free(pTHX_ void **rsp) | |
c90c0ff4 | 448 | { |
44f8325f | 449 | UV * const p = (UV*)*rsp; |
7918f24d NC |
450 | |
451 | PERL_ARGS_ASSERT_RXRES_FREE; | |
96a5add6 | 452 | PERL_UNUSED_CONTEXT; |
c90c0ff4 | 453 | |
454 | if (p) { | |
94010e71 NC |
455 | #ifdef PERL_POISON |
456 | void *tmp = INT2PTR(char*,*p); | |
457 | Safefree(tmp); | |
458 | if (*p) | |
7e337ee0 | 459 | PoisonFree(*p, 1, sizeof(*p)); |
94010e71 | 460 | #else |
56431972 | 461 | Safefree(INT2PTR(char*,*p)); |
94010e71 | 462 | #endif |
f8c7b90f | 463 | #ifdef PERL_OLD_COPY_ON_WRITE |
ed252734 NC |
464 | if (p[1]) { |
465 | SvREFCNT_dec (INT2PTR(SV*,p[1])); | |
466 | } | |
467 | #endif | |
c90c0ff4 | 468 | Safefree(p); |
4608196e | 469 | *rsp = NULL; |
c90c0ff4 | 470 | } |
471 | } | |
472 | ||
a0d0e21e LW |
473 | PP(pp_formline) |
474 | { | |
97aff369 | 475 | dVAR; dSP; dMARK; dORIGMARK; |
823a54a3 | 476 | register SV * const tmpForm = *++MARK; |
dea28490 | 477 | register U32 *fpc; |
a0d0e21e | 478 | register char *t; |
245d4a47 | 479 | const char *f; |
a0d0e21e | 480 | register I32 arg; |
c445ea15 AL |
481 | register SV *sv = NULL; |
482 | const char *item = NULL; | |
9c5ffd7c JH |
483 | I32 itemsize = 0; |
484 | I32 fieldsize = 0; | |
a0d0e21e | 485 | I32 lines = 0; |
c445ea15 AL |
486 | bool chopspace = (strchr(PL_chopset, ' ') != NULL); |
487 | const char *chophere = NULL; | |
488 | char *linemark = NULL; | |
65202027 | 489 | NV value; |
9c5ffd7c | 490 | bool gotsome = FALSE; |
a0d0e21e | 491 | STRLEN len; |
823a54a3 | 492 | const STRLEN fudge = SvPOK(tmpForm) |
24c89738 | 493 | ? (SvCUR(tmpForm) * (IN_BYTES ? 1 : 3) + 1) : 0; |
1bd51a4c IH |
494 | bool item_is_utf8 = FALSE; |
495 | bool targ_is_utf8 = FALSE; | |
c445ea15 | 496 | SV * nsv = NULL; |
cbbf8932 | 497 | OP * parseres = NULL; |
bfed75c6 | 498 | const char *fmt; |
a0d0e21e | 499 | |
76e3520e | 500 | if (!SvMAGICAL(tmpForm) || !SvCOMPILED(tmpForm)) { |
445b3f51 GS |
501 | if (SvREADONLY(tmpForm)) { |
502 | SvREADONLY_off(tmpForm); | |
a1b95068 | 503 | parseres = doparseform(tmpForm); |
445b3f51 GS |
504 | SvREADONLY_on(tmpForm); |
505 | } | |
506 | else | |
a1b95068 WL |
507 | parseres = doparseform(tmpForm); |
508 | if (parseres) | |
509 | return parseres; | |
a0d0e21e | 510 | } |
3280af22 | 511 | SvPV_force(PL_formtarget, len); |
1bd51a4c IH |
512 | if (DO_UTF8(PL_formtarget)) |
513 | targ_is_utf8 = TRUE; | |
a0ed51b3 | 514 | t = SvGROW(PL_formtarget, len + fudge + 1); /* XXX SvCUR bad */ |
a0d0e21e | 515 | t += len; |
245d4a47 | 516 | f = SvPV_const(tmpForm, len); |
a0d0e21e | 517 | /* need to jump to the next word */ |
245d4a47 | 518 | fpc = (U32*)(f + len + WORD_ALIGN - SvCUR(tmpForm) % WORD_ALIGN); |
a0d0e21e LW |
519 | |
520 | for (;;) { | |
521 | DEBUG_f( { | |
bfed75c6 | 522 | const char *name = "???"; |
a0d0e21e LW |
523 | arg = -1; |
524 | switch (*fpc) { | |
525 | case FF_LITERAL: arg = fpc[1]; name = "LITERAL"; break; | |
526 | case FF_BLANK: arg = fpc[1]; name = "BLANK"; break; | |
527 | case FF_SKIP: arg = fpc[1]; name = "SKIP"; break; | |
528 | case FF_FETCH: arg = fpc[1]; name = "FETCH"; break; | |
529 | case FF_DECIMAL: arg = fpc[1]; name = "DECIMAL"; break; | |
530 | ||
531 | case FF_CHECKNL: name = "CHECKNL"; break; | |
532 | case FF_CHECKCHOP: name = "CHECKCHOP"; break; | |
533 | case FF_SPACE: name = "SPACE"; break; | |
534 | case FF_HALFSPACE: name = "HALFSPACE"; break; | |
535 | case FF_ITEM: name = "ITEM"; break; | |
536 | case FF_CHOP: name = "CHOP"; break; | |
537 | case FF_LINEGLOB: name = "LINEGLOB"; break; | |
538 | case FF_NEWLINE: name = "NEWLINE"; break; | |
539 | case FF_MORE: name = "MORE"; break; | |
540 | case FF_LINEMARK: name = "LINEMARK"; break; | |
541 | case FF_END: name = "END"; break; | |
bfed75c6 | 542 | case FF_0DECIMAL: name = "0DECIMAL"; break; |
a1b95068 | 543 | case FF_LINESNGL: name = "LINESNGL"; break; |
a0d0e21e LW |
544 | } |
545 | if (arg >= 0) | |
bf49b057 | 546 | PerlIO_printf(Perl_debug_log, "%-16s%ld\n", name, (long) arg); |
a0d0e21e | 547 | else |
bf49b057 | 548 | PerlIO_printf(Perl_debug_log, "%-16s\n", name); |
5f80b19c | 549 | } ); |
a0d0e21e LW |
550 | switch (*fpc++) { |
551 | case FF_LINEMARK: | |
552 | linemark = t; | |
a0d0e21e LW |
553 | lines++; |
554 | gotsome = FALSE; | |
555 | break; | |
556 | ||
557 | case FF_LITERAL: | |
558 | arg = *fpc++; | |
1bd51a4c | 559 | if (targ_is_utf8 && !SvUTF8(tmpForm)) { |
b15aece3 | 560 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); |
78da4d13 JH |
561 | *t = '\0'; |
562 | sv_catpvn_utf8_upgrade(PL_formtarget, f, arg, nsv); | |
563 | t = SvEND(PL_formtarget); | |
f3f2f1a3 | 564 | f += arg; |
1bd51a4c IH |
565 | break; |
566 | } | |
567 | if (!targ_is_utf8 && DO_UTF8(tmpForm)) { | |
b15aece3 | 568 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); |
1bd51a4c | 569 | *t = '\0'; |
7bf79863 | 570 | sv_utf8_upgrade_flags_grow(PL_formtarget, SV_GMAGIC, fudge + 1); |
1bd51a4c IH |
571 | t = SvEND(PL_formtarget); |
572 | targ_is_utf8 = TRUE; | |
573 | } | |
a0d0e21e LW |
574 | while (arg--) |
575 | *t++ = *f++; | |
576 | break; | |
577 | ||
578 | case FF_SKIP: | |
579 | f += *fpc++; | |
580 | break; | |
581 | ||
582 | case FF_FETCH: | |
583 | arg = *fpc++; | |
584 | f += arg; | |
585 | fieldsize = arg; | |
586 | ||
587 | if (MARK < SP) | |
588 | sv = *++MARK; | |
589 | else { | |
3280af22 | 590 | sv = &PL_sv_no; |
a2a5de95 | 591 | Perl_ck_warner(aTHX_ packWARN(WARN_SYNTAX), "Not enough format arguments"); |
a0d0e21e LW |
592 | } |
593 | break; | |
594 | ||
595 | case FF_CHECKNL: | |
5a34cab7 NC |
596 | { |
597 | const char *send; | |
598 | const char *s = item = SvPV_const(sv, len); | |
599 | itemsize = len; | |
600 | if (DO_UTF8(sv)) { | |
601 | itemsize = sv_len_utf8(sv); | |
602 | if (itemsize != (I32)len) { | |
603 | I32 itembytes; | |
604 | if (itemsize > fieldsize) { | |
605 | itemsize = fieldsize; | |
606 | itembytes = itemsize; | |
607 | sv_pos_u2b(sv, &itembytes, 0); | |
608 | } | |
609 | else | |
610 | itembytes = len; | |
611 | send = chophere = s + itembytes; | |
612 | while (s < send) { | |
613 | if (*s & ~31) | |
614 | gotsome = TRUE; | |
615 | else if (*s == '\n') | |
616 | break; | |
617 | s++; | |
618 | } | |
619 | item_is_utf8 = TRUE; | |
620 | itemsize = s - item; | |
621 | sv_pos_b2u(sv, &itemsize); | |
622 | break; | |
a0ed51b3 | 623 | } |
a0ed51b3 | 624 | } |
5a34cab7 NC |
625 | item_is_utf8 = FALSE; |
626 | if (itemsize > fieldsize) | |
627 | itemsize = fieldsize; | |
628 | send = chophere = s + itemsize; | |
629 | while (s < send) { | |
630 | if (*s & ~31) | |
631 | gotsome = TRUE; | |
632 | else if (*s == '\n') | |
633 | break; | |
634 | s++; | |
635 | } | |
636 | itemsize = s - item; | |
637 | break; | |
a0ed51b3 | 638 | } |
a0d0e21e LW |
639 | |
640 | case FF_CHECKCHOP: | |
5a34cab7 NC |
641 | { |
642 | const char *s = item = SvPV_const(sv, len); | |
643 | itemsize = len; | |
644 | if (DO_UTF8(sv)) { | |
645 | itemsize = sv_len_utf8(sv); | |
646 | if (itemsize != (I32)len) { | |
647 | I32 itembytes; | |
648 | if (itemsize <= fieldsize) { | |
649 | const char *send = chophere = s + itemsize; | |
650 | while (s < send) { | |
651 | if (*s == '\r') { | |
652 | itemsize = s - item; | |
a0ed51b3 | 653 | chophere = s; |
a0ed51b3 | 654 | break; |
5a34cab7 NC |
655 | } |
656 | if (*s++ & ~31) | |
a0ed51b3 | 657 | gotsome = TRUE; |
a0ed51b3 | 658 | } |
a0ed51b3 | 659 | } |
5a34cab7 NC |
660 | else { |
661 | const char *send; | |
662 | itemsize = fieldsize; | |
663 | itembytes = itemsize; | |
664 | sv_pos_u2b(sv, &itembytes, 0); | |
665 | send = chophere = s + itembytes; | |
666 | while (s < send || (s == send && isSPACE(*s))) { | |
667 | if (isSPACE(*s)) { | |
668 | if (chopspace) | |
669 | chophere = s; | |
670 | if (*s == '\r') | |
671 | break; | |
672 | } | |
673 | else { | |
674 | if (*s & ~31) | |
675 | gotsome = TRUE; | |
676 | if (strchr(PL_chopset, *s)) | |
677 | chophere = s + 1; | |
678 | } | |
679 | s++; | |
680 | } | |
681 | itemsize = chophere - item; | |
682 | sv_pos_b2u(sv, &itemsize); | |
683 | } | |
684 | item_is_utf8 = TRUE; | |
a0d0e21e LW |
685 | break; |
686 | } | |
a0d0e21e | 687 | } |
5a34cab7 NC |
688 | item_is_utf8 = FALSE; |
689 | if (itemsize <= fieldsize) { | |
690 | const char *const send = chophere = s + itemsize; | |
691 | while (s < send) { | |
692 | if (*s == '\r') { | |
693 | itemsize = s - item; | |
a0d0e21e | 694 | chophere = s; |
a0d0e21e | 695 | break; |
5a34cab7 NC |
696 | } |
697 | if (*s++ & ~31) | |
a0d0e21e | 698 | gotsome = TRUE; |
a0d0e21e | 699 | } |
a0d0e21e | 700 | } |
5a34cab7 NC |
701 | else { |
702 | const char *send; | |
703 | itemsize = fieldsize; | |
704 | send = chophere = s + itemsize; | |
705 | while (s < send || (s == send && isSPACE(*s))) { | |
706 | if (isSPACE(*s)) { | |
707 | if (chopspace) | |
708 | chophere = s; | |
709 | if (*s == '\r') | |
710 | break; | |
711 | } | |
712 | else { | |
713 | if (*s & ~31) | |
714 | gotsome = TRUE; | |
715 | if (strchr(PL_chopset, *s)) | |
716 | chophere = s + 1; | |
717 | } | |
718 | s++; | |
719 | } | |
720 | itemsize = chophere - item; | |
721 | } | |
722 | break; | |
a0d0e21e | 723 | } |
a0d0e21e LW |
724 | |
725 | case FF_SPACE: | |
726 | arg = fieldsize - itemsize; | |
727 | if (arg) { | |
728 | fieldsize -= arg; | |
729 | while (arg-- > 0) | |
730 | *t++ = ' '; | |
731 | } | |
732 | break; | |
733 | ||
734 | case FF_HALFSPACE: | |
735 | arg = fieldsize - itemsize; | |
736 | if (arg) { | |
737 | arg /= 2; | |
738 | fieldsize -= arg; | |
739 | while (arg-- > 0) | |
740 | *t++ = ' '; | |
741 | } | |
742 | break; | |
743 | ||
744 | case FF_ITEM: | |
5a34cab7 NC |
745 | { |
746 | const char *s = item; | |
747 | arg = itemsize; | |
748 | if (item_is_utf8) { | |
749 | if (!targ_is_utf8) { | |
750 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); | |
751 | *t = '\0'; | |
7bf79863 KW |
752 | sv_utf8_upgrade_flags_grow(PL_formtarget, SV_GMAGIC, |
753 | fudge + 1); | |
5a34cab7 NC |
754 | t = SvEND(PL_formtarget); |
755 | targ_is_utf8 = TRUE; | |
a0ed51b3 | 756 | } |
5a34cab7 NC |
757 | while (arg--) { |
758 | if (UTF8_IS_CONTINUED(*s)) { | |
759 | STRLEN skip = UTF8SKIP(s); | |
760 | switch (skip) { | |
761 | default: | |
762 | Move(s,t,skip,char); | |
763 | s += skip; | |
764 | t += skip; | |
765 | break; | |
766 | case 7: *t++ = *s++; | |
767 | case 6: *t++ = *s++; | |
768 | case 5: *t++ = *s++; | |
769 | case 4: *t++ = *s++; | |
770 | case 3: *t++ = *s++; | |
771 | case 2: *t++ = *s++; | |
772 | case 1: *t++ = *s++; | |
773 | } | |
774 | } | |
775 | else { | |
776 | if ( !((*t++ = *s++) & ~31) ) | |
777 | t[-1] = ' '; | |
778 | } | |
a0ed51b3 | 779 | } |
5a34cab7 | 780 | break; |
a0ed51b3 | 781 | } |
5a34cab7 NC |
782 | if (targ_is_utf8 && !item_is_utf8) { |
783 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); | |
784 | *t = '\0'; | |
785 | sv_catpvn_utf8_upgrade(PL_formtarget, s, arg, nsv); | |
786 | for (; t < SvEND(PL_formtarget); t++) { | |
78da4d13 | 787 | #ifdef EBCDIC |
901017d6 | 788 | const int ch = *t; |
5a34cab7 | 789 | if (iscntrl(ch)) |
78da4d13 | 790 | #else |
5a34cab7 | 791 | if (!(*t & ~31)) |
78da4d13 | 792 | #endif |
5a34cab7 NC |
793 | *t = ' '; |
794 | } | |
795 | break; | |
78da4d13 | 796 | } |
5a34cab7 | 797 | while (arg--) { |
9d116dd7 | 798 | #ifdef EBCDIC |
901017d6 | 799 | const int ch = *t++ = *s++; |
5a34cab7 | 800 | if (iscntrl(ch)) |
a0d0e21e | 801 | #else |
5a34cab7 | 802 | if ( !((*t++ = *s++) & ~31) ) |
a0d0e21e | 803 | #endif |
5a34cab7 NC |
804 | t[-1] = ' '; |
805 | } | |
806 | break; | |
a0d0e21e | 807 | } |
a0d0e21e LW |
808 | |
809 | case FF_CHOP: | |
5a34cab7 NC |
810 | { |
811 | const char *s = chophere; | |
812 | if (chopspace) { | |
af68e756 | 813 | while (isSPACE(*s)) |
5a34cab7 NC |
814 | s++; |
815 | } | |
816 | sv_chop(sv,s); | |
817 | SvSETMAGIC(sv); | |
818 | break; | |
a0d0e21e | 819 | } |
a0d0e21e | 820 | |
a1b95068 WL |
821 | case FF_LINESNGL: |
822 | chopspace = 0; | |
a0d0e21e | 823 | case FF_LINEGLOB: |
5a34cab7 | 824 | { |
e32383e2 | 825 | const bool oneline = fpc[-1] == FF_LINESNGL; |
5a34cab7 | 826 | const char *s = item = SvPV_const(sv, len); |
f3f2f1a3 | 827 | item_is_utf8 = DO_UTF8(sv); |
5a34cab7 | 828 | itemsize = len; |
5a34cab7 | 829 | if (itemsize) { |
e8e72d41 | 830 | STRLEN to_copy = itemsize; |
5a34cab7 | 831 | const char *const send = s + len; |
35c6393c | 832 | const U8 *source = (const U8 *) s; |
e8e72d41 NC |
833 | U8 *tmp = NULL; |
834 | ||
5a34cab7 NC |
835 | gotsome = TRUE; |
836 | chophere = s + itemsize; | |
837 | while (s < send) { | |
838 | if (*s++ == '\n') { | |
839 | if (oneline) { | |
e8e72d41 | 840 | to_copy = s - SvPVX_const(sv) - 1; |
5a34cab7 NC |
841 | chophere = s; |
842 | break; | |
843 | } else { | |
844 | if (s == send) { | |
845 | itemsize--; | |
e8e72d41 | 846 | to_copy--; |
5a34cab7 NC |
847 | } else |
848 | lines++; | |
849 | } | |
1bd51a4c | 850 | } |
a0d0e21e | 851 | } |
e8e72d41 | 852 | if (targ_is_utf8 && !item_is_utf8) { |
35c6393c | 853 | source = tmp = bytes_to_utf8(source, &to_copy); |
e8e72d41 NC |
854 | SvCUR_set(PL_formtarget, |
855 | t - SvPVX_const(PL_formtarget)); | |
856 | } else { | |
857 | if (item_is_utf8 && !targ_is_utf8) { | |
858 | /* Upgrade targ to UTF8, and then we reduce it to | |
859 | a problem we have a simple solution for. */ | |
860 | SvCUR_set(PL_formtarget, | |
861 | t - SvPVX_const(PL_formtarget)); | |
862 | targ_is_utf8 = TRUE; | |
863 | /* Don't need get magic. */ | |
7bf79863 | 864 | sv_utf8_upgrade_nomg(PL_formtarget); |
e8e72d41 NC |
865 | } else { |
866 | SvCUR_set(PL_formtarget, | |
867 | t - SvPVX_const(PL_formtarget)); | |
868 | } | |
e8e72d41 NC |
869 | |
870 | /* Easy. They agree. */ | |
871 | assert (item_is_utf8 == targ_is_utf8); | |
872 | } | |
873 | SvGROW(PL_formtarget, | |
874 | SvCUR(PL_formtarget) + to_copy + fudge + 1); | |
5a34cab7 | 875 | t = SvPVX(PL_formtarget) + SvCUR(PL_formtarget); |
e8e72d41 NC |
876 | |
877 | Copy(source, t, to_copy, char); | |
878 | t += to_copy; | |
879 | SvCUR_set(PL_formtarget, SvCUR(PL_formtarget) + to_copy); | |
f3f2f1a3 | 880 | if (item_is_utf8) { |
e8e72d41 NC |
881 | if (SvGMAGICAL(sv)) { |
882 | /* Mustn't call sv_pos_b2u() as it does a second | |
883 | mg_get(). Is this a bug? Do we need a _flags() | |
884 | variant? */ | |
885 | itemsize = utf8_length(source, source + itemsize); | |
886 | } else { | |
887 | sv_pos_b2u(sv, &itemsize); | |
888 | } | |
889 | assert(!tmp); | |
890 | } else if (tmp) { | |
891 | Safefree(tmp); | |
f3f2f1a3 | 892 | } |
a0d0e21e | 893 | } |
5a34cab7 | 894 | break; |
a0d0e21e | 895 | } |
a0d0e21e | 896 | |
a1b95068 WL |
897 | case FF_0DECIMAL: |
898 | arg = *fpc++; | |
899 | #if defined(USE_LONG_DOUBLE) | |
10edeb5d JH |
900 | fmt = (const char *) |
901 | ((arg & 256) ? | |
902 | "%#0*.*" PERL_PRIfldbl : "%0*.*" PERL_PRIfldbl); | |
a1b95068 | 903 | #else |
10edeb5d JH |
904 | fmt = (const char *) |
905 | ((arg & 256) ? | |
906 | "%#0*.*f" : "%0*.*f"); | |
a1b95068 WL |
907 | #endif |
908 | goto ff_dec; | |
a0d0e21e | 909 | case FF_DECIMAL: |
a0d0e21e | 910 | arg = *fpc++; |
65202027 | 911 | #if defined(USE_LONG_DOUBLE) |
10edeb5d JH |
912 | fmt = (const char *) |
913 | ((arg & 256) ? "%#*.*" PERL_PRIfldbl : "%*.*" PERL_PRIfldbl); | |
65202027 | 914 | #else |
10edeb5d JH |
915 | fmt = (const char *) |
916 | ((arg & 256) ? "%#*.*f" : "%*.*f"); | |
65202027 | 917 | #endif |
a1b95068 | 918 | ff_dec: |
784707d5 JP |
919 | /* If the field is marked with ^ and the value is undefined, |
920 | blank it out. */ | |
784707d5 JP |
921 | if ((arg & 512) && !SvOK(sv)) { |
922 | arg = fieldsize; | |
923 | while (arg--) | |
924 | *t++ = ' '; | |
925 | break; | |
926 | } | |
927 | gotsome = TRUE; | |
928 | value = SvNV(sv); | |
a1b95068 | 929 | /* overflow evidence */ |
bfed75c6 | 930 | if (num_overflow(value, fieldsize, arg)) { |
a1b95068 WL |
931 | arg = fieldsize; |
932 | while (arg--) | |
933 | *t++ = '#'; | |
934 | break; | |
935 | } | |
784707d5 JP |
936 | /* Formats aren't yet marked for locales, so assume "yes". */ |
937 | { | |
938 | STORE_NUMERIC_STANDARD_SET_LOCAL(); | |
d9fad198 | 939 | my_snprintf(t, SvLEN(PL_formtarget) - (t - SvPVX(PL_formtarget)), fmt, (int) fieldsize, (int) arg & 255, value); |
784707d5 JP |
940 | RESTORE_NUMERIC_STANDARD(); |
941 | } | |
942 | t += fieldsize; | |
943 | break; | |
a1b95068 | 944 | |
a0d0e21e LW |
945 | case FF_NEWLINE: |
946 | f++; | |
947 | while (t-- > linemark && *t == ' ') ; | |
948 | t++; | |
949 | *t++ = '\n'; | |
950 | break; | |
951 | ||
952 | case FF_BLANK: | |
953 | arg = *fpc++; | |
954 | if (gotsome) { | |
955 | if (arg) { /* repeat until fields exhausted? */ | |
956 | *t = '\0'; | |
b15aece3 | 957 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); |
3280af22 | 958 | lines += FmLINES(PL_formtarget); |
1bd51a4c IH |
959 | if (targ_is_utf8) |
960 | SvUTF8_on(PL_formtarget); | |
3280af22 | 961 | FmLINES(PL_formtarget) = lines; |
a0d0e21e LW |
962 | SP = ORIGMARK; |
963 | RETURNOP(cLISTOP->op_first); | |
964 | } | |
965 | } | |
966 | else { | |
967 | t = linemark; | |
968 | lines--; | |
969 | } | |
970 | break; | |
971 | ||
972 | case FF_MORE: | |
5a34cab7 NC |
973 | { |
974 | const char *s = chophere; | |
975 | const char *send = item + len; | |
976 | if (chopspace) { | |
af68e756 | 977 | while (isSPACE(*s) && (s < send)) |
5a34cab7 | 978 | s++; |
a0d0e21e | 979 | } |
5a34cab7 NC |
980 | if (s < send) { |
981 | char *s1; | |
982 | arg = fieldsize - itemsize; | |
983 | if (arg) { | |
984 | fieldsize -= arg; | |
985 | while (arg-- > 0) | |
986 | *t++ = ' '; | |
987 | } | |
988 | s1 = t - 3; | |
989 | if (strnEQ(s1," ",3)) { | |
990 | while (s1 > SvPVX_const(PL_formtarget) && isSPACE(s1[-1])) | |
991 | s1--; | |
992 | } | |
993 | *s1++ = '.'; | |
994 | *s1++ = '.'; | |
995 | *s1++ = '.'; | |
a0d0e21e | 996 | } |
5a34cab7 | 997 | break; |
a0d0e21e | 998 | } |
a0d0e21e LW |
999 | case FF_END: |
1000 | *t = '\0'; | |
b15aece3 | 1001 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); |
1bd51a4c IH |
1002 | if (targ_is_utf8) |
1003 | SvUTF8_on(PL_formtarget); | |
3280af22 | 1004 | FmLINES(PL_formtarget) += lines; |
a0d0e21e LW |
1005 | SP = ORIGMARK; |
1006 | RETPUSHYES; | |
1007 | } | |
1008 | } | |
1009 | } | |
1010 | ||
1011 | PP(pp_grepstart) | |
1012 | { | |
27da23d5 | 1013 | dVAR; dSP; |
a0d0e21e LW |
1014 | SV *src; |
1015 | ||
3280af22 | 1016 | if (PL_stack_base + *PL_markstack_ptr == SP) { |
a0d0e21e | 1017 | (void)POPMARK; |
54310121 | 1018 | if (GIMME_V == G_SCALAR) |
6e449a3a | 1019 | mXPUSHi(0); |
533c011a | 1020 | RETURNOP(PL_op->op_next->op_next); |
a0d0e21e | 1021 | } |
3280af22 | 1022 | PL_stack_sp = PL_stack_base + *PL_markstack_ptr + 1; |
cea2e8a9 GS |
1023 | pp_pushmark(); /* push dst */ |
1024 | pp_pushmark(); /* push src */ | |
d343c3ef | 1025 | ENTER_with_name("grep"); /* enter outer scope */ |
a0d0e21e LW |
1026 | |
1027 | SAVETMPS; | |
59f00321 RGS |
1028 | if (PL_op->op_private & OPpGREP_LEX) |
1029 | SAVESPTR(PAD_SVl(PL_op->op_targ)); | |
1030 | else | |
1031 | SAVE_DEFSV; | |
d343c3ef | 1032 | ENTER_with_name("grep_item"); /* enter inner scope */ |
7766f137 | 1033 | SAVEVPTR(PL_curpm); |
a0d0e21e | 1034 | |
3280af22 | 1035 | src = PL_stack_base[*PL_markstack_ptr]; |
a0d0e21e | 1036 | SvTEMP_off(src); |
59f00321 RGS |
1037 | if (PL_op->op_private & OPpGREP_LEX) |
1038 | PAD_SVl(PL_op->op_targ) = src; | |
1039 | else | |
414bf5ae | 1040 | DEFSV_set(src); |
a0d0e21e LW |
1041 | |
1042 | PUTBACK; | |
533c011a | 1043 | if (PL_op->op_type == OP_MAPSTART) |
cea2e8a9 | 1044 | pp_pushmark(); /* push top */ |
533c011a | 1045 | return ((LOGOP*)PL_op->op_next)->op_other; |
a0d0e21e LW |
1046 | } |
1047 | ||
a0d0e21e LW |
1048 | PP(pp_mapwhile) |
1049 | { | |
27da23d5 | 1050 | dVAR; dSP; |
f54cb97a | 1051 | const I32 gimme = GIMME_V; |
544f3153 | 1052 | I32 items = (SP - PL_stack_base) - *PL_markstack_ptr; /* how many new items */ |
a0d0e21e LW |
1053 | I32 count; |
1054 | I32 shift; | |
1055 | SV** src; | |
ac27b0f5 | 1056 | SV** dst; |
a0d0e21e | 1057 | |
544f3153 | 1058 | /* first, move source pointer to the next item in the source list */ |
3280af22 | 1059 | ++PL_markstack_ptr[-1]; |
544f3153 GS |
1060 | |
1061 | /* if there are new items, push them into the destination list */ | |
4c90a460 | 1062 | if (items && gimme != G_VOID) { |
544f3153 GS |
1063 | /* might need to make room back there first */ |
1064 | if (items > PL_markstack_ptr[-1] - PL_markstack_ptr[-2]) { | |
1065 | /* XXX this implementation is very pessimal because the stack | |
1066 | * is repeatedly extended for every set of items. Is possible | |
1067 | * to do this without any stack extension or copying at all | |
1068 | * by maintaining a separate list over which the map iterates | |
18ef8bea | 1069 | * (like foreach does). --gsar */ |
544f3153 GS |
1070 | |
1071 | /* everything in the stack after the destination list moves | |
1072 | * towards the end the stack by the amount of room needed */ | |
1073 | shift = items - (PL_markstack_ptr[-1] - PL_markstack_ptr[-2]); | |
1074 | ||
1075 | /* items to shift up (accounting for the moved source pointer) */ | |
1076 | count = (SP - PL_stack_base) - (PL_markstack_ptr[-1] - 1); | |
18ef8bea BT |
1077 | |
1078 | /* This optimization is by Ben Tilly and it does | |
1079 | * things differently from what Sarathy (gsar) | |
1080 | * is describing. The downside of this optimization is | |
1081 | * that leaves "holes" (uninitialized and hopefully unused areas) | |
1082 | * to the Perl stack, but on the other hand this | |
1083 | * shouldn't be a problem. If Sarathy's idea gets | |
1084 | * implemented, this optimization should become | |
1085 | * irrelevant. --jhi */ | |
1086 | if (shift < count) | |
1087 | shift = count; /* Avoid shifting too often --Ben Tilly */ | |
bfed75c6 | 1088 | |
924508f0 GS |
1089 | EXTEND(SP,shift); |
1090 | src = SP; | |
1091 | dst = (SP += shift); | |
3280af22 NIS |
1092 | PL_markstack_ptr[-1] += shift; |
1093 | *PL_markstack_ptr += shift; | |
544f3153 | 1094 | while (count--) |
a0d0e21e LW |
1095 | *dst-- = *src--; |
1096 | } | |
544f3153 | 1097 | /* copy the new items down to the destination list */ |
ac27b0f5 | 1098 | dst = PL_stack_base + (PL_markstack_ptr[-2] += items) - 1; |
22023b26 TP |
1099 | if (gimme == G_ARRAY) { |
1100 | while (items-- > 0) | |
1101 | *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs); | |
1102 | } | |
bfed75c6 | 1103 | else { |
22023b26 TP |
1104 | /* scalar context: we don't care about which values map returns |
1105 | * (we use undef here). And so we certainly don't want to do mortal | |
1106 | * copies of meaningless values. */ | |
1107 | while (items-- > 0) { | |
b988aa42 | 1108 | (void)POPs; |
22023b26 TP |
1109 | *dst-- = &PL_sv_undef; |
1110 | } | |
1111 | } | |
a0d0e21e | 1112 | } |
d343c3ef | 1113 | LEAVE_with_name("grep_item"); /* exit inner scope */ |
a0d0e21e LW |
1114 | |
1115 | /* All done yet? */ | |
3280af22 | 1116 | if (PL_markstack_ptr[-1] > *PL_markstack_ptr) { |
a0d0e21e LW |
1117 | |
1118 | (void)POPMARK; /* pop top */ | |
d343c3ef | 1119 | LEAVE_with_name("grep"); /* exit outer scope */ |
a0d0e21e | 1120 | (void)POPMARK; /* pop src */ |
3280af22 | 1121 | items = --*PL_markstack_ptr - PL_markstack_ptr[-1]; |
a0d0e21e | 1122 | (void)POPMARK; /* pop dst */ |
3280af22 | 1123 | SP = PL_stack_base + POPMARK; /* pop original mark */ |
54310121 | 1124 | if (gimme == G_SCALAR) { |
7cc47870 RGS |
1125 | if (PL_op->op_private & OPpGREP_LEX) { |
1126 | SV* sv = sv_newmortal(); | |
1127 | sv_setiv(sv, items); | |
1128 | PUSHs(sv); | |
1129 | } | |
1130 | else { | |
1131 | dTARGET; | |
1132 | XPUSHi(items); | |
1133 | } | |
a0d0e21e | 1134 | } |
54310121 | 1135 | else if (gimme == G_ARRAY) |
1136 | SP += items; | |
a0d0e21e LW |
1137 | RETURN; |
1138 | } | |
1139 | else { | |
1140 | SV *src; | |
1141 | ||
d343c3ef | 1142 | ENTER_with_name("grep_item"); /* enter inner scope */ |
7766f137 | 1143 | SAVEVPTR(PL_curpm); |
a0d0e21e | 1144 | |
544f3153 | 1145 | /* set $_ to the new source item */ |
3280af22 | 1146 | src = PL_stack_base[PL_markstack_ptr[-1]]; |
a0d0e21e | 1147 | SvTEMP_off(src); |
59f00321 RGS |
1148 | if (PL_op->op_private & OPpGREP_LEX) |
1149 | PAD_SVl(PL_op->op_targ) = src; | |
1150 | else | |
414bf5ae | 1151 | DEFSV_set(src); |
a0d0e21e LW |
1152 | |
1153 | RETURNOP(cLOGOP->op_other); | |
1154 | } | |
1155 | } | |
1156 | ||
a0d0e21e LW |
1157 | /* Range stuff. */ |
1158 | ||
1159 | PP(pp_range) | |
1160 | { | |
97aff369 | 1161 | dVAR; |
a0d0e21e | 1162 | if (GIMME == G_ARRAY) |
1a67a97c | 1163 | return NORMAL; |
538573f7 | 1164 | if (SvTRUEx(PAD_SV(PL_op->op_targ))) |
1a67a97c | 1165 | return cLOGOP->op_other; |
538573f7 | 1166 | else |
1a67a97c | 1167 | return NORMAL; |
a0d0e21e LW |
1168 | } |
1169 | ||
1170 | PP(pp_flip) | |
1171 | { | |
97aff369 | 1172 | dVAR; |
39644a26 | 1173 | dSP; |
a0d0e21e LW |
1174 | |
1175 | if (GIMME == G_ARRAY) { | |
1a67a97c | 1176 | RETURNOP(((LOGOP*)cUNOP->op_first)->op_other); |
a0d0e21e LW |
1177 | } |
1178 | else { | |
1179 | dTOPss; | |
44f8325f | 1180 | SV * const targ = PAD_SV(PL_op->op_targ); |
bfed75c6 | 1181 | int flip = 0; |
790090df | 1182 | |
bfed75c6 | 1183 | if (PL_op->op_private & OPpFLIP_LINENUM) { |
4e3399f9 YST |
1184 | if (GvIO(PL_last_in_gv)) { |
1185 | flip = SvIV(sv) == (IV)IoLINES(GvIOp(PL_last_in_gv)); | |
1186 | } | |
1187 | else { | |
fafc274c | 1188 | GV * const gv = gv_fetchpvs(".", GV_ADD|GV_NOTQUAL, SVt_PV); |
44f8325f AL |
1189 | if (gv && GvSV(gv)) |
1190 | flip = SvIV(sv) == SvIV(GvSV(gv)); | |
4e3399f9 | 1191 | } |
bfed75c6 AL |
1192 | } else { |
1193 | flip = SvTRUE(sv); | |
1194 | } | |
1195 | if (flip) { | |
a0d0e21e | 1196 | sv_setiv(PAD_SV(cUNOP->op_first->op_targ), 1); |
533c011a | 1197 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e | 1198 | sv_setiv(targ, 1); |
3e3baf6d | 1199 | SETs(targ); |
a0d0e21e LW |
1200 | RETURN; |
1201 | } | |
1202 | else { | |
1203 | sv_setiv(targ, 0); | |
924508f0 | 1204 | SP--; |
1a67a97c | 1205 | RETURNOP(((LOGOP*)cUNOP->op_first)->op_other); |
a0d0e21e LW |
1206 | } |
1207 | } | |
76f68e9b | 1208 | sv_setpvs(TARG, ""); |
a0d0e21e LW |
1209 | SETs(targ); |
1210 | RETURN; | |
1211 | } | |
1212 | } | |
1213 | ||
8e9bbdb9 RGS |
1214 | /* This code tries to decide if "$left .. $right" should use the |
1215 | magical string increment, or if the range is numeric (we make | |
1216 | an exception for .."0" [#18165]). AMS 20021031. */ | |
1217 | ||
1218 | #define RANGE_IS_NUMERIC(left,right) ( \ | |
b0e74086 RGS |
1219 | SvNIOKp(left) || (SvOK(left) && !SvPOKp(left)) || \ |
1220 | SvNIOKp(right) || (SvOK(right) && !SvPOKp(right)) || \ | |
e0ab1c0e | 1221 | (((!SvOK(left) && SvOK(right)) || ((!SvOK(left) || \ |
b15aece3 | 1222 | looks_like_number(left)) && SvPOKp(left) && *SvPVX_const(left) != '0')) \ |
e0ab1c0e | 1223 | && (!SvOK(right) || looks_like_number(right)))) |
8e9bbdb9 | 1224 | |
a0d0e21e LW |
1225 | PP(pp_flop) |
1226 | { | |
97aff369 | 1227 | dVAR; dSP; |
a0d0e21e LW |
1228 | |
1229 | if (GIMME == G_ARRAY) { | |
1230 | dPOPPOPssrl; | |
86cb7173 | 1231 | |
5b295bef RD |
1232 | SvGETMAGIC(left); |
1233 | SvGETMAGIC(right); | |
a0d0e21e | 1234 | |
8e9bbdb9 | 1235 | if (RANGE_IS_NUMERIC(left,right)) { |
901017d6 AL |
1236 | register IV i, j; |
1237 | IV max; | |
4fe3f0fa MHM |
1238 | if ((SvOK(left) && SvNV(left) < IV_MIN) || |
1239 | (SvOK(right) && SvNV(right) > IV_MAX)) | |
d470f89e | 1240 | DIE(aTHX_ "Range iterator outside integer range"); |
a0d0e21e LW |
1241 | i = SvIV(left); |
1242 | max = SvIV(right); | |
bbce6d69 | 1243 | if (max >= i) { |
c1ab3db2 AK |
1244 | j = max - i + 1; |
1245 | EXTEND_MORTAL(j); | |
1246 | EXTEND(SP, j); | |
bbce6d69 | 1247 | } |
c1ab3db2 AK |
1248 | else |
1249 | j = 0; | |
1250 | while (j--) { | |
901017d6 | 1251 | SV * const sv = sv_2mortal(newSViv(i++)); |
a0d0e21e LW |
1252 | PUSHs(sv); |
1253 | } | |
1254 | } | |
1255 | else { | |
44f8325f | 1256 | SV * const final = sv_mortalcopy(right); |
13c5b33c | 1257 | STRLEN len; |
823a54a3 | 1258 | const char * const tmps = SvPV_const(final, len); |
a0d0e21e | 1259 | |
901017d6 | 1260 | SV *sv = sv_mortalcopy(left); |
13c5b33c | 1261 | SvPV_force_nolen(sv); |
89ea2908 | 1262 | while (!SvNIOKp(sv) && SvCUR(sv) <= len) { |
a0d0e21e | 1263 | XPUSHs(sv); |
b15aece3 | 1264 | if (strEQ(SvPVX_const(sv),tmps)) |
89ea2908 | 1265 | break; |
a0d0e21e LW |
1266 | sv = sv_2mortal(newSVsv(sv)); |
1267 | sv_inc(sv); | |
1268 | } | |
a0d0e21e LW |
1269 | } |
1270 | } | |
1271 | else { | |
1272 | dTOPss; | |
901017d6 | 1273 | SV * const targ = PAD_SV(cUNOP->op_first->op_targ); |
4e3399f9 | 1274 | int flop = 0; |
a0d0e21e | 1275 | sv_inc(targ); |
4e3399f9 YST |
1276 | |
1277 | if (PL_op->op_private & OPpFLIP_LINENUM) { | |
1278 | if (GvIO(PL_last_in_gv)) { | |
1279 | flop = SvIV(sv) == (IV)IoLINES(GvIOp(PL_last_in_gv)); | |
1280 | } | |
1281 | else { | |
fafc274c | 1282 | GV * const gv = gv_fetchpvs(".", GV_ADD|GV_NOTQUAL, SVt_PV); |
4e3399f9 YST |
1283 | if (gv && GvSV(gv)) flop = SvIV(sv) == SvIV(GvSV(gv)); |
1284 | } | |
1285 | } | |
1286 | else { | |
1287 | flop = SvTRUE(sv); | |
1288 | } | |
1289 | ||
1290 | if (flop) { | |
a0d0e21e | 1291 | sv_setiv(PAD_SV(((UNOP*)cUNOP->op_first)->op_first->op_targ), 0); |
396482e1 | 1292 | sv_catpvs(targ, "E0"); |
a0d0e21e LW |
1293 | } |
1294 | SETs(targ); | |
1295 | } | |
1296 | ||
1297 | RETURN; | |
1298 | } | |
1299 | ||
1300 | /* Control. */ | |
1301 | ||
27da23d5 | 1302 | static const char * const context_name[] = { |
515afda2 | 1303 | "pseudo-block", |
f31522f3 | 1304 | NULL, /* CXt_WHEN never actually needs "block" */ |
76753e7f | 1305 | NULL, /* CXt_BLOCK never actually needs "block" */ |
f31522f3 | 1306 | NULL, /* CXt_GIVEN never actually needs "block" */ |
76753e7f NC |
1307 | NULL, /* CXt_LOOP_FOR never actually needs "loop" */ |
1308 | NULL, /* CXt_LOOP_PLAIN never actually needs "loop" */ | |
1309 | NULL, /* CXt_LOOP_LAZYSV never actually needs "loop" */ | |
1310 | NULL, /* CXt_LOOP_LAZYIV never actually needs "loop" */ | |
515afda2 | 1311 | "subroutine", |
76753e7f | 1312 | "format", |
515afda2 | 1313 | "eval", |
515afda2 | 1314 | "substitution", |
515afda2 NC |
1315 | }; |
1316 | ||
76e3520e | 1317 | STATIC I32 |
06b5626a | 1318 | S_dopoptolabel(pTHX_ const char *label) |
a0d0e21e | 1319 | { |
97aff369 | 1320 | dVAR; |
a0d0e21e | 1321 | register I32 i; |
a0d0e21e | 1322 | |
7918f24d NC |
1323 | PERL_ARGS_ASSERT_DOPOPTOLABEL; |
1324 | ||
a0d0e21e | 1325 | for (i = cxstack_ix; i >= 0; i--) { |
901017d6 | 1326 | register const PERL_CONTEXT * const cx = &cxstack[i]; |
6b35e009 | 1327 | switch (CxTYPE(cx)) { |
a0d0e21e | 1328 | case CXt_SUBST: |
a0d0e21e | 1329 | case CXt_SUB: |
7766f137 | 1330 | case CXt_FORMAT: |
a0d0e21e | 1331 | case CXt_EVAL: |
0a753a76 | 1332 | case CXt_NULL: |
a2a5de95 NC |
1333 | Perl_ck_warner(aTHX_ packWARN(WARN_EXITING), "Exiting %s via %s", |
1334 | context_name[CxTYPE(cx)], OP_NAME(PL_op)); | |
515afda2 NC |
1335 | if (CxTYPE(cx) == CXt_NULL) |
1336 | return -1; | |
1337 | break; | |
c6fdafd0 | 1338 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1339 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
1340 | case CXt_LOOP_FOR: |
1341 | case CXt_LOOP_PLAIN: | |
7e8f1eac AD |
1342 | { |
1343 | const char *cx_label = CxLABEL(cx); | |
1344 | if (!cx_label || strNE(label, cx_label) ) { | |
1c98cc53 | 1345 | DEBUG_l(Perl_deb(aTHX_ "(poptolabel(): skipping label at cx=%ld %s)\n", |
7e8f1eac | 1346 | (long)i, cx_label)); |
a0d0e21e LW |
1347 | continue; |
1348 | } | |
1c98cc53 | 1349 | DEBUG_l( Perl_deb(aTHX_ "(poptolabel(): found label at cx=%ld %s)\n", (long)i, label)); |
a0d0e21e | 1350 | return i; |
7e8f1eac | 1351 | } |
a0d0e21e LW |
1352 | } |
1353 | } | |
1354 | return i; | |
1355 | } | |
1356 | ||
0d863452 RH |
1357 | |
1358 | ||
e50aee73 | 1359 | I32 |
864dbfa3 | 1360 | Perl_dowantarray(pTHX) |
e50aee73 | 1361 | { |
97aff369 | 1362 | dVAR; |
f54cb97a | 1363 | const I32 gimme = block_gimme(); |
54310121 | 1364 | return (gimme == G_VOID) ? G_SCALAR : gimme; |
1365 | } | |
1366 | ||
1367 | I32 | |
864dbfa3 | 1368 | Perl_block_gimme(pTHX) |
54310121 | 1369 | { |
97aff369 | 1370 | dVAR; |
06b5626a | 1371 | const I32 cxix = dopoptosub(cxstack_ix); |
e50aee73 | 1372 | if (cxix < 0) |
46fc3d4c | 1373 | return G_VOID; |
e50aee73 | 1374 | |
54310121 | 1375 | switch (cxstack[cxix].blk_gimme) { |
d2719217 GS |
1376 | case G_VOID: |
1377 | return G_VOID; | |
54310121 | 1378 | case G_SCALAR: |
e50aee73 | 1379 | return G_SCALAR; |
54310121 | 1380 | case G_ARRAY: |
1381 | return G_ARRAY; | |
1382 | default: | |
cea2e8a9 | 1383 | Perl_croak(aTHX_ "panic: bad gimme: %d\n", cxstack[cxix].blk_gimme); |
d2719217 GS |
1384 | /* NOTREACHED */ |
1385 | return 0; | |
54310121 | 1386 | } |
e50aee73 AD |
1387 | } |
1388 | ||
78f9721b SM |
1389 | I32 |
1390 | Perl_is_lvalue_sub(pTHX) | |
1391 | { | |
97aff369 | 1392 | dVAR; |
06b5626a | 1393 | const I32 cxix = dopoptosub(cxstack_ix); |
78f9721b SM |
1394 | assert(cxix >= 0); /* We should only be called from inside subs */ |
1395 | ||
bafb2adc NC |
1396 | if (CxLVAL(cxstack + cxix) && CvLVALUE(cxstack[cxix].blk_sub.cv)) |
1397 | return CxLVAL(cxstack + cxix); | |
78f9721b SM |
1398 | else |
1399 | return 0; | |
1400 | } | |
1401 | ||
76e3520e | 1402 | STATIC I32 |
901017d6 | 1403 | S_dopoptosub_at(pTHX_ const PERL_CONTEXT *cxstk, I32 startingblock) |
2c375eb9 | 1404 | { |
97aff369 | 1405 | dVAR; |
a0d0e21e | 1406 | I32 i; |
7918f24d NC |
1407 | |
1408 | PERL_ARGS_ASSERT_DOPOPTOSUB_AT; | |
1409 | ||
a0d0e21e | 1410 | for (i = startingblock; i >= 0; i--) { |
901017d6 | 1411 | register const PERL_CONTEXT * const cx = &cxstk[i]; |
6b35e009 | 1412 | switch (CxTYPE(cx)) { |
a0d0e21e LW |
1413 | default: |
1414 | continue; | |
1415 | case CXt_EVAL: | |
1416 | case CXt_SUB: | |
7766f137 | 1417 | case CXt_FORMAT: |
1c98cc53 | 1418 | DEBUG_l( Perl_deb(aTHX_ "(dopoptosub_at(): found sub at cx=%ld)\n", (long)i)); |
a0d0e21e LW |
1419 | return i; |
1420 | } | |
1421 | } | |
1422 | return i; | |
1423 | } | |
1424 | ||
76e3520e | 1425 | STATIC I32 |
cea2e8a9 | 1426 | S_dopoptoeval(pTHX_ I32 startingblock) |
a0d0e21e | 1427 | { |
97aff369 | 1428 | dVAR; |
a0d0e21e | 1429 | I32 i; |
a0d0e21e | 1430 | for (i = startingblock; i >= 0; i--) { |
06b5626a | 1431 | register const PERL_CONTEXT *cx = &cxstack[i]; |
6b35e009 | 1432 | switch (CxTYPE(cx)) { |
a0d0e21e LW |
1433 | default: |
1434 | continue; | |
1435 | case CXt_EVAL: | |
1c98cc53 | 1436 | DEBUG_l( Perl_deb(aTHX_ "(dopoptoeval(): found eval at cx=%ld)\n", (long)i)); |
a0d0e21e LW |
1437 | return i; |
1438 | } | |
1439 | } | |
1440 | return i; | |
1441 | } | |
1442 | ||
76e3520e | 1443 | STATIC I32 |
cea2e8a9 | 1444 | S_dopoptoloop(pTHX_ I32 startingblock) |
a0d0e21e | 1445 | { |
97aff369 | 1446 | dVAR; |
a0d0e21e | 1447 | I32 i; |
a0d0e21e | 1448 | for (i = startingblock; i >= 0; i--) { |
901017d6 | 1449 | register const PERL_CONTEXT * const cx = &cxstack[i]; |
6b35e009 | 1450 | switch (CxTYPE(cx)) { |
a0d0e21e | 1451 | case CXt_SUBST: |
a0d0e21e | 1452 | case CXt_SUB: |
7766f137 | 1453 | case CXt_FORMAT: |
a0d0e21e | 1454 | case CXt_EVAL: |
0a753a76 | 1455 | case CXt_NULL: |
a2a5de95 NC |
1456 | Perl_ck_warner(aTHX_ packWARN(WARN_EXITING), "Exiting %s via %s", |
1457 | context_name[CxTYPE(cx)], OP_NAME(PL_op)); | |
515afda2 NC |
1458 | if ((CxTYPE(cx)) == CXt_NULL) |
1459 | return -1; | |
1460 | break; | |
c6fdafd0 | 1461 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1462 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
1463 | case CXt_LOOP_FOR: |
1464 | case CXt_LOOP_PLAIN: | |
1c98cc53 | 1465 | DEBUG_l( Perl_deb(aTHX_ "(dopoptoloop(): found loop at cx=%ld)\n", (long)i)); |
a0d0e21e LW |
1466 | return i; |
1467 | } | |
1468 | } | |
1469 | return i; | |
1470 | } | |
1471 | ||
0d863452 RH |
1472 | STATIC I32 |
1473 | S_dopoptogiven(pTHX_ I32 startingblock) | |
1474 | { | |
97aff369 | 1475 | dVAR; |
0d863452 RH |
1476 | I32 i; |
1477 | for (i = startingblock; i >= 0; i--) { | |
1478 | register const PERL_CONTEXT *cx = &cxstack[i]; | |
1479 | switch (CxTYPE(cx)) { | |
1480 | default: | |
1481 | continue; | |
1482 | case CXt_GIVEN: | |
1c98cc53 | 1483 | DEBUG_l( Perl_deb(aTHX_ "(dopoptogiven(): found given at cx=%ld)\n", (long)i)); |
0d863452 | 1484 | return i; |
3b719c58 NC |
1485 | case CXt_LOOP_PLAIN: |
1486 | assert(!CxFOREACHDEF(cx)); | |
1487 | break; | |
c6fdafd0 | 1488 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1489 | case CXt_LOOP_LAZYSV: |
3b719c58 | 1490 | case CXt_LOOP_FOR: |
0d863452 | 1491 | if (CxFOREACHDEF(cx)) { |
1c98cc53 | 1492 | DEBUG_l( Perl_deb(aTHX_ "(dopoptogiven(): found foreach at cx=%ld)\n", (long)i)); |
0d863452 RH |
1493 | return i; |
1494 | } | |
1495 | } | |
1496 | } | |
1497 | return i; | |
1498 | } | |
1499 | ||
1500 | STATIC I32 | |
1501 | S_dopoptowhen(pTHX_ I32 startingblock) | |
1502 | { | |
97aff369 | 1503 | dVAR; |
0d863452 RH |
1504 | I32 i; |
1505 | for (i = startingblock; i >= 0; i--) { | |
1506 | register const PERL_CONTEXT *cx = &cxstack[i]; | |
1507 | switch (CxTYPE(cx)) { | |
1508 | default: | |
1509 | continue; | |
1510 | case CXt_WHEN: | |
1c98cc53 | 1511 | DEBUG_l( Perl_deb(aTHX_ "(dopoptowhen(): found when at cx=%ld)\n", (long)i)); |
0d863452 RH |
1512 | return i; |
1513 | } | |
1514 | } | |
1515 | return i; | |
1516 | } | |
1517 | ||
a0d0e21e | 1518 | void |
864dbfa3 | 1519 | Perl_dounwind(pTHX_ I32 cxix) |
a0d0e21e | 1520 | { |
97aff369 | 1521 | dVAR; |
a0d0e21e LW |
1522 | I32 optype; |
1523 | ||
1524 | while (cxstack_ix > cxix) { | |
b0d9ce38 | 1525 | SV *sv; |
06b5626a | 1526 | register PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
1c98cc53 | 1527 | DEBUG_CX("UNWIND"); \ |
a0d0e21e | 1528 | /* Note: we don't need to restore the base context info till the end. */ |
6b35e009 | 1529 | switch (CxTYPE(cx)) { |
c90c0ff4 | 1530 | case CXt_SUBST: |
1531 | POPSUBST(cx); | |
1532 | continue; /* not break */ | |
a0d0e21e | 1533 | case CXt_SUB: |
b0d9ce38 GS |
1534 | POPSUB(cx,sv); |
1535 | LEAVESUB(sv); | |
a0d0e21e LW |
1536 | break; |
1537 | case CXt_EVAL: | |
1538 | POPEVAL(cx); | |
1539 | break; | |
c6fdafd0 | 1540 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1541 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
1542 | case CXt_LOOP_FOR: |
1543 | case CXt_LOOP_PLAIN: | |
a0d0e21e LW |
1544 | POPLOOP(cx); |
1545 | break; | |
0a753a76 | 1546 | case CXt_NULL: |
a0d0e21e | 1547 | break; |
7766f137 GS |
1548 | case CXt_FORMAT: |
1549 | POPFORMAT(cx); | |
1550 | break; | |
a0d0e21e | 1551 | } |
c90c0ff4 | 1552 | cxstack_ix--; |
a0d0e21e | 1553 | } |
1b6737cc | 1554 | PERL_UNUSED_VAR(optype); |
a0d0e21e LW |
1555 | } |
1556 | ||
5a844595 GS |
1557 | void |
1558 | Perl_qerror(pTHX_ SV *err) | |
1559 | { | |
97aff369 | 1560 | dVAR; |
7918f24d NC |
1561 | |
1562 | PERL_ARGS_ASSERT_QERROR; | |
1563 | ||
5a844595 GS |
1564 | if (PL_in_eval) |
1565 | sv_catsv(ERRSV, err); | |
1566 | else if (PL_errors) | |
1567 | sv_catsv(PL_errors, err); | |
1568 | else | |
be2597df | 1569 | Perl_warn(aTHX_ "%"SVf, SVfARG(err)); |
13765c85 DM |
1570 | if (PL_parser) |
1571 | ++PL_parser->error_count; | |
5a844595 GS |
1572 | } |
1573 | ||
bb4c52e0 | 1574 | void |
7d0994e0 | 1575 | Perl_die_where(pTHX_ SV *msv) |
a0d0e21e | 1576 | { |
27da23d5 | 1577 | dVAR; |
87582a92 | 1578 | |
3280af22 | 1579 | if (PL_in_eval) { |
a0d0e21e | 1580 | I32 cxix; |
a0d0e21e | 1581 | I32 gimme; |
a0d0e21e | 1582 | |
7d0994e0 | 1583 | if (msv) { |
faef0170 | 1584 | if (PL_in_eval & EVAL_KEEPERR) { |
bfed75c6 | 1585 | static const char prefix[] = "\t(in cleanup) "; |
2d03de9c | 1586 | SV * const err = ERRSV; |
c445ea15 | 1587 | const char *e = NULL; |
98eae8f5 | 1588 | if (!SvPOK(err)) |
76f68e9b | 1589 | sv_setpvs(err,""); |
7d0994e0 | 1590 | else if (SvCUR(err) >= sizeof(prefix)+SvCUR(msv)-1) { |
0510663f | 1591 | STRLEN len; |
7d0994e0 GG |
1592 | STRLEN msglen; |
1593 | const char* message = SvPV_const(msv, msglen); | |
349d4f2f | 1594 | e = SvPV_const(err, len); |
0510663f | 1595 | e += len - msglen; |
98eae8f5 | 1596 | if (*e != *message || strNE(e,message)) |
c445ea15 | 1597 | e = NULL; |
98eae8f5 GS |
1598 | } |
1599 | if (!e) { | |
a2a5de95 | 1600 | STRLEN start; |
7d0994e0 | 1601 | SvGROW(err, SvCUR(err)+sizeof(prefix)+SvCUR(msv)); |
98eae8f5 | 1602 | sv_catpvn(err, prefix, sizeof(prefix)-1); |
7d0994e0 GG |
1603 | sv_catsv(err, msv); |
1604 | start = SvCUR(err)-SvCUR(msv)-sizeof(prefix)+1; | |
a2a5de95 NC |
1605 | Perl_ck_warner(aTHX_ packWARN(WARN_MISC), "%s", |
1606 | SvPVX_const(err)+start); | |
4633a7c4 | 1607 | } |
4633a7c4 | 1608 | } |
1aa99e6b | 1609 | else { |
7d0994e0 GG |
1610 | STRLEN msglen; |
1611 | const char* message = SvPV_const(msv, msglen); | |
06bf62c7 | 1612 | sv_setpvn(ERRSV, message, msglen); |
7d0994e0 | 1613 | SvFLAGS(ERRSV) |= SvFLAGS(msv) & SVf_UTF8; |
1aa99e6b | 1614 | } |
4633a7c4 | 1615 | } |
4e6ea2c3 | 1616 | |
5a844595 GS |
1617 | while ((cxix = dopoptoeval(cxstack_ix)) < 0 |
1618 | && PL_curstackinfo->si_prev) | |
1619 | { | |
bac4b2ad | 1620 | dounwind(-1); |
d3acc0f7 | 1621 | POPSTACK; |
bac4b2ad | 1622 | } |
e336de0d | 1623 | |
a0d0e21e LW |
1624 | if (cxix >= 0) { |
1625 | I32 optype; | |
b6494f15 | 1626 | SV *namesv; |
35a4481c | 1627 | register PERL_CONTEXT *cx; |
901017d6 | 1628 | SV **newsp; |
a0d0e21e LW |
1629 | |
1630 | if (cxix < cxstack_ix) | |
1631 | dounwind(cxix); | |
1632 | ||
3280af22 | 1633 | POPBLOCK(cx,PL_curpm); |
6b35e009 | 1634 | if (CxTYPE(cx) != CXt_EVAL) { |
7d0994e0 GG |
1635 | STRLEN msglen; |
1636 | const char* message = SvPVx_const( msv ? msv : ERRSV, msglen); | |
10edeb5d | 1637 | PerlIO_write(Perl_error_log, (const char *)"panic: die ", 11); |
bf49b057 | 1638 | PerlIO_write(Perl_error_log, message, msglen); |
a0d0e21e LW |
1639 | my_exit(1); |
1640 | } | |
1641 | POPEVAL(cx); | |
b6494f15 | 1642 | namesv = cx->blk_eval.old_namesv; |
a0d0e21e LW |
1643 | |
1644 | if (gimme == G_SCALAR) | |
3280af22 NIS |
1645 | *++newsp = &PL_sv_undef; |
1646 | PL_stack_sp = newsp; | |
a0d0e21e LW |
1647 | |
1648 | LEAVE; | |
748a9306 | 1649 | |
7fb6a879 GS |
1650 | /* LEAVE could clobber PL_curcop (see save_re_context()) |
1651 | * XXX it might be better to find a way to avoid messing with | |
1652 | * PL_curcop in save_re_context() instead, but this is a more | |
1653 | * minimal fix --GSAR */ | |
1654 | PL_curcop = cx->blk_oldcop; | |
1655 | ||
7a2e2cd6 | 1656 | if (optype == OP_REQUIRE) { |
44f8325f | 1657 | const char* const msg = SvPVx_nolen_const(ERRSV); |
b6494f15 VP |
1658 | (void)hv_store(GvHVn(PL_incgv), |
1659 | SvPVX_const(namesv), SvCUR(namesv), | |
27bcc0a7 | 1660 | &PL_sv_undef, 0); |
27e90453 DM |
1661 | /* note that unlike pp_entereval, pp_require isn't |
1662 | * supposed to trap errors. So now that we've popped the | |
1663 | * EVAL that pp_require pushed, and processed the error | |
1664 | * message, rethrow the error */ | |
5a844595 GS |
1665 | DIE(aTHX_ "%sCompilation failed in require", |
1666 | *msg ? msg : "Unknown error\n"); | |
7a2e2cd6 | 1667 | } |
f39bc417 | 1668 | assert(CxTYPE(cx) == CXt_EVAL); |
febb3a6d | 1669 | PL_restartjmpenv = cx->blk_eval.cur_top_env; |
bb4c52e0 GG |
1670 | PL_restartop = cx->blk_eval.retop; |
1671 | JMPENV_JUMP(3); | |
1672 | /* NOTREACHED */ | |
a0d0e21e LW |
1673 | } |
1674 | } | |
87582a92 | 1675 | |
7d0994e0 | 1676 | write_to_stderr( msv ? msv : ERRSV ); |
f86702cc | 1677 | my_failure_exit(); |
1678 | /* NOTREACHED */ | |
a0d0e21e LW |
1679 | } |
1680 | ||
1681 | PP(pp_xor) | |
1682 | { | |
97aff369 | 1683 | dVAR; dSP; dPOPTOPssrl; |
a0d0e21e LW |
1684 | if (SvTRUE(left) != SvTRUE(right)) |
1685 | RETSETYES; | |
1686 | else | |
1687 | RETSETNO; | |
1688 | } | |
1689 | ||
a0d0e21e LW |
1690 | PP(pp_caller) |
1691 | { | |
97aff369 | 1692 | dVAR; |
39644a26 | 1693 | dSP; |
a0d0e21e | 1694 | register I32 cxix = dopoptosub(cxstack_ix); |
901017d6 AL |
1695 | register const PERL_CONTEXT *cx; |
1696 | register const PERL_CONTEXT *ccstack = cxstack; | |
1697 | const PERL_SI *top_si = PL_curstackinfo; | |
54310121 | 1698 | I32 gimme; |
06b5626a | 1699 | const char *stashname; |
a0d0e21e LW |
1700 | I32 count = 0; |
1701 | ||
1702 | if (MAXARG) | |
1703 | count = POPi; | |
27d41816 | 1704 | |
a0d0e21e | 1705 | for (;;) { |
2c375eb9 GS |
1706 | /* we may be in a higher stacklevel, so dig down deeper */ |
1707 | while (cxix < 0 && top_si->si_type != PERLSI_MAIN) { | |
1708 | top_si = top_si->si_prev; | |
1709 | ccstack = top_si->si_cxstack; | |
1710 | cxix = dopoptosub_at(ccstack, top_si->si_cxix); | |
1711 | } | |
a0d0e21e | 1712 | if (cxix < 0) { |
27d41816 DM |
1713 | if (GIMME != G_ARRAY) { |
1714 | EXTEND(SP, 1); | |
a0d0e21e | 1715 | RETPUSHUNDEF; |
27d41816 | 1716 | } |
a0d0e21e LW |
1717 | RETURN; |
1718 | } | |
f2a7f298 DG |
1719 | /* caller() should not report the automatic calls to &DB::sub */ |
1720 | if (PL_DBsub && GvCV(PL_DBsub) && cxix >= 0 && | |
3280af22 | 1721 | ccstack[cxix].blk_sub.cv == GvCV(PL_DBsub)) |
a0d0e21e LW |
1722 | count++; |
1723 | if (!count--) | |
1724 | break; | |
2c375eb9 | 1725 | cxix = dopoptosub_at(ccstack, cxix - 1); |
a0d0e21e | 1726 | } |
2c375eb9 GS |
1727 | |
1728 | cx = &ccstack[cxix]; | |
7766f137 | 1729 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
f54cb97a | 1730 | const I32 dbcxix = dopoptosub_at(ccstack, cxix - 1); |
2c375eb9 | 1731 | /* We expect that ccstack[dbcxix] is CXt_SUB, anyway, the |
06a5b730 | 1732 | field below is defined for any cx. */ |
f2a7f298 DG |
1733 | /* caller() should not report the automatic calls to &DB::sub */ |
1734 | if (PL_DBsub && GvCV(PL_DBsub) && dbcxix >= 0 && ccstack[dbcxix].blk_sub.cv == GvCV(PL_DBsub)) | |
2c375eb9 | 1735 | cx = &ccstack[dbcxix]; |
06a5b730 | 1736 | } |
1737 | ||
ed094faf | 1738 | stashname = CopSTASHPV(cx->blk_oldcop); |
a0d0e21e | 1739 | if (GIMME != G_ARRAY) { |
27d41816 | 1740 | EXTEND(SP, 1); |
ed094faf | 1741 | if (!stashname) |
3280af22 | 1742 | PUSHs(&PL_sv_undef); |
49d8d3a1 MB |
1743 | else { |
1744 | dTARGET; | |
ed094faf | 1745 | sv_setpv(TARG, stashname); |
49d8d3a1 MB |
1746 | PUSHs(TARG); |
1747 | } | |
a0d0e21e LW |
1748 | RETURN; |
1749 | } | |
a0d0e21e | 1750 | |
b3ca2e83 | 1751 | EXTEND(SP, 11); |
27d41816 | 1752 | |
ed094faf | 1753 | if (!stashname) |
3280af22 | 1754 | PUSHs(&PL_sv_undef); |
49d8d3a1 | 1755 | else |
6e449a3a MHM |
1756 | mPUSHs(newSVpv(stashname, 0)); |
1757 | mPUSHs(newSVpv(OutCopFILE(cx->blk_oldcop), 0)); | |
1758 | mPUSHi((I32)CopLINE(cx->blk_oldcop)); | |
a0d0e21e LW |
1759 | if (!MAXARG) |
1760 | RETURN; | |
7766f137 | 1761 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
0bd48802 | 1762 | GV * const cvgv = CvGV(ccstack[cxix].blk_sub.cv); |
7766f137 | 1763 | /* So is ccstack[dbcxix]. */ |
07b8c804 | 1764 | if (isGV(cvgv)) { |
561b68a9 | 1765 | SV * const sv = newSV(0); |
c445ea15 | 1766 | gv_efullname3(sv, cvgv, NULL); |
6e449a3a | 1767 | mPUSHs(sv); |
bf38a478 | 1768 | PUSHs(boolSV(CxHASARGS(cx))); |
07b8c804 RGS |
1769 | } |
1770 | else { | |
84bafc02 | 1771 | PUSHs(newSVpvs_flags("(unknown)", SVs_TEMP)); |
bf38a478 | 1772 | PUSHs(boolSV(CxHASARGS(cx))); |
07b8c804 | 1773 | } |
a0d0e21e LW |
1774 | } |
1775 | else { | |
84bafc02 | 1776 | PUSHs(newSVpvs_flags("(eval)", SVs_TEMP)); |
6e449a3a | 1777 | mPUSHi(0); |
a0d0e21e | 1778 | } |
54310121 | 1779 | gimme = (I32)cx->blk_gimme; |
1780 | if (gimme == G_VOID) | |
3280af22 | 1781 | PUSHs(&PL_sv_undef); |
54310121 | 1782 | else |
98625aca | 1783 | PUSHs(boolSV((gimme & G_WANT) == G_ARRAY)); |
6b35e009 | 1784 | if (CxTYPE(cx) == CXt_EVAL) { |
811a4de9 | 1785 | /* eval STRING */ |
85a64632 | 1786 | if (CxOLD_OP_TYPE(cx) == OP_ENTEREVAL) { |
4633a7c4 | 1787 | PUSHs(cx->blk_eval.cur_text); |
3280af22 | 1788 | PUSHs(&PL_sv_no); |
0f79a09d | 1789 | } |
811a4de9 | 1790 | /* require */ |
0f79a09d | 1791 | else if (cx->blk_eval.old_namesv) { |
6e449a3a | 1792 | mPUSHs(newSVsv(cx->blk_eval.old_namesv)); |
3280af22 | 1793 | PUSHs(&PL_sv_yes); |
06a5b730 | 1794 | } |
811a4de9 GS |
1795 | /* eval BLOCK (try blocks have old_namesv == 0) */ |
1796 | else { | |
1797 | PUSHs(&PL_sv_undef); | |
1798 | PUSHs(&PL_sv_undef); | |
1799 | } | |
4633a7c4 | 1800 | } |
a682de96 GS |
1801 | else { |
1802 | PUSHs(&PL_sv_undef); | |
1803 | PUSHs(&PL_sv_undef); | |
1804 | } | |
bafb2adc | 1805 | if (CxTYPE(cx) == CXt_SUB && CxHASARGS(cx) |
ed094faf | 1806 | && CopSTASH_eq(PL_curcop, PL_debstash)) |
4633a7c4 | 1807 | { |
66a1b24b AL |
1808 | AV * const ary = cx->blk_sub.argarray; |
1809 | const int off = AvARRAY(ary) - AvALLOC(ary); | |
a0d0e21e | 1810 | |
3280af22 | 1811 | if (!PL_dbargs) { |
af3885a0 NC |
1812 | PL_dbargs = GvAV(gv_AVadd(gv_fetchpvs("DB::args", GV_ADDMULTI, |
1813 | SVt_PVAV))); | |
3ddcf04c | 1814 | AvREAL_off(PL_dbargs); /* XXX should be REIFY (see av.h) */ |
a0d0e21e LW |
1815 | } |
1816 | ||
3280af22 NIS |
1817 | if (AvMAX(PL_dbargs) < AvFILLp(ary) + off) |
1818 | av_extend(PL_dbargs, AvFILLp(ary) + off); | |
1819 | Copy(AvALLOC(ary), AvARRAY(PL_dbargs), AvFILLp(ary) + 1 + off, SV*); | |
1820 | AvFILLp(PL_dbargs) = AvFILLp(ary) + off; | |
a0d0e21e | 1821 | } |
f3aa04c2 GS |
1822 | /* XXX only hints propagated via op_private are currently |
1823 | * visible (others are not easily accessible, since they | |
1824 | * use the global PL_hints) */ | |
6e449a3a | 1825 | mPUSHi(CopHINTS_get(cx->blk_oldcop)); |
e476b1b5 GS |
1826 | { |
1827 | SV * mask ; | |
72dc9ed5 | 1828 | STRLEN * const old_warnings = cx->blk_oldcop->cop_warnings ; |
114bafba | 1829 | |
ac27b0f5 | 1830 | if (old_warnings == pWARN_NONE || |
114bafba | 1831 | (old_warnings == pWARN_STD && (PL_dowarn & G_WARN_ON) == 0)) |
e476b1b5 | 1832 | mask = newSVpvn(WARN_NONEstring, WARNsize) ; |
ac27b0f5 | 1833 | else if (old_warnings == pWARN_ALL || |
75b6c4ca RGS |
1834 | (old_warnings == pWARN_STD && PL_dowarn & G_WARN_ON)) { |
1835 | /* Get the bit mask for $warnings::Bits{all}, because | |
1836 | * it could have been extended by warnings::register */ | |
1837 | SV **bits_all; | |
6673a63c | 1838 | HV * const bits = get_hv("warnings::Bits", 0); |
017a3ce5 | 1839 | if (bits && (bits_all=hv_fetchs(bits, "all", FALSE))) { |
75b6c4ca RGS |
1840 | mask = newSVsv(*bits_all); |
1841 | } | |
1842 | else { | |
1843 | mask = newSVpvn(WARN_ALLstring, WARNsize) ; | |
1844 | } | |
1845 | } | |
e476b1b5 | 1846 | else |
72dc9ed5 | 1847 | mask = newSVpvn((char *) (old_warnings + 1), old_warnings[0]); |
6e449a3a | 1848 | mPUSHs(mask); |
e476b1b5 | 1849 | } |
b3ca2e83 | 1850 | |
c28fe1ec | 1851 | PUSHs(cx->blk_oldcop->cop_hints_hash ? |
b3ca2e83 | 1852 | sv_2mortal(newRV_noinc( |
ad64d0ec NC |
1853 | MUTABLE_SV(Perl_refcounted_he_chain_2hv(aTHX_ |
1854 | cx->blk_oldcop->cop_hints_hash)))) | |
b3ca2e83 | 1855 | : &PL_sv_undef); |
a0d0e21e LW |
1856 | RETURN; |
1857 | } | |
1858 | ||
a0d0e21e LW |
1859 | PP(pp_reset) |
1860 | { | |
97aff369 | 1861 | dVAR; |
39644a26 | 1862 | dSP; |
10edeb5d | 1863 | const char * const tmps = (MAXARG < 1) ? (const char *)"" : POPpconstx; |
11faa288 | 1864 | sv_reset(tmps, CopSTASH(PL_curcop)); |
3280af22 | 1865 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1866 | RETURN; |
1867 | } | |
1868 | ||
dd2155a4 DM |
1869 | /* like pp_nextstate, but used instead when the debugger is active */ |
1870 | ||
a0d0e21e LW |
1871 | PP(pp_dbstate) |
1872 | { | |
27da23d5 | 1873 | dVAR; |
533c011a | 1874 | PL_curcop = (COP*)PL_op; |
a0d0e21e | 1875 | TAINT_NOT; /* Each statement is presumed innocent */ |
3280af22 | 1876 | PL_stack_sp = PL_stack_base + cxstack[cxstack_ix].blk_oldsp; |
a0d0e21e LW |
1877 | FREETMPS; |
1878 | ||
f410a211 NC |
1879 | PERL_ASYNC_CHECK(); |
1880 | ||
5df8de69 DM |
1881 | if (PL_op->op_flags & OPf_SPECIAL /* breakpoint */ |
1882 | || SvIV(PL_DBsingle) || SvIV(PL_DBsignal) || SvIV(PL_DBtrace)) | |
a0d0e21e | 1883 | { |
39644a26 | 1884 | dSP; |
c09156bb | 1885 | register PERL_CONTEXT *cx; |
f54cb97a | 1886 | const I32 gimme = G_ARRAY; |
eb160463 | 1887 | U8 hasargs; |
0bd48802 AL |
1888 | GV * const gv = PL_DBgv; |
1889 | register CV * const cv = GvCV(gv); | |
a0d0e21e | 1890 | |
a0d0e21e | 1891 | if (!cv) |
cea2e8a9 | 1892 | DIE(aTHX_ "No DB::DB routine defined"); |
a0d0e21e | 1893 | |
aea4f609 DM |
1894 | if (CvDEPTH(cv) >= 1 && !(PL_debug & DEBUG_DB_RECURSE_FLAG)) |
1895 | /* don't do recursive DB::DB call */ | |
a0d0e21e | 1896 | return NORMAL; |
748a9306 | 1897 | |
a57c6685 | 1898 | ENTER; |
4633a7c4 LW |
1899 | SAVETMPS; |
1900 | ||
3280af22 | 1901 | SAVEI32(PL_debug); |
55497cff | 1902 | SAVESTACK_POS(); |
3280af22 | 1903 | PL_debug = 0; |
748a9306 | 1904 | hasargs = 0; |
924508f0 | 1905 | SPAGAIN; |
748a9306 | 1906 | |
aed2304a | 1907 | if (CvISXSUB(cv)) { |
c127bd3a SF |
1908 | CvDEPTH(cv)++; |
1909 | PUSHMARK(SP); | |
1910 | (void)(*CvXSUB(cv))(aTHX_ cv); | |
1911 | CvDEPTH(cv)--; | |
1912 | FREETMPS; | |
a57c6685 | 1913 | LEAVE; |
c127bd3a SF |
1914 | return NORMAL; |
1915 | } | |
1916 | else { | |
1917 | PUSHBLOCK(cx, CXt_SUB, SP); | |
1918 | PUSHSUB_DB(cx); | |
1919 | cx->blk_sub.retop = PL_op->op_next; | |
1920 | CvDEPTH(cv)++; | |
1921 | SAVECOMPPAD(); | |
1922 | PAD_SET_CUR_NOSAVE(CvPADLIST(cv), 1); | |
1923 | RETURNOP(CvSTART(cv)); | |
1924 | } | |
a0d0e21e LW |
1925 | } |
1926 | else | |
1927 | return NORMAL; | |
1928 | } | |
1929 | ||
a0d0e21e LW |
1930 | PP(pp_enteriter) |
1931 | { | |
27da23d5 | 1932 | dVAR; dSP; dMARK; |
c09156bb | 1933 | register PERL_CONTEXT *cx; |
f54cb97a | 1934 | const I32 gimme = GIMME_V; |
a0d0e21e | 1935 | SV **svp; |
840fe433 | 1936 | U8 cxtype = CXt_LOOP_FOR; |
7766f137 | 1937 | #ifdef USE_ITHREADS |
e846cb92 | 1938 | PAD *iterdata; |
7766f137 | 1939 | #endif |
a0d0e21e | 1940 | |
d343c3ef | 1941 | ENTER_with_name("loop1"); |
4633a7c4 LW |
1942 | SAVETMPS; |
1943 | ||
533c011a | 1944 | if (PL_op->op_targ) { |
14f338dc DM |
1945 | if (PL_op->op_private & OPpLVAL_INTRO) { /* for my $x (...) */ |
1946 | SvPADSTALE_off(PAD_SVl(PL_op->op_targ)); | |
1947 | SAVESETSVFLAGS(PAD_SVl(PL_op->op_targ), | |
1948 | SVs_PADSTALE, SVs_PADSTALE); | |
1949 | } | |
09edbca0 | 1950 | SAVEPADSVANDMORTALIZE(PL_op->op_targ); |
c3564e5c | 1951 | #ifndef USE_ITHREADS |
dd2155a4 | 1952 | svp = &PAD_SVl(PL_op->op_targ); /* "my" variable */ |
c3564e5c | 1953 | #else |
e846cb92 | 1954 | iterdata = NULL; |
7766f137 | 1955 | #endif |
54b9620d MB |
1956 | } |
1957 | else { | |
159b6efe | 1958 | GV * const gv = MUTABLE_GV(POPs); |
7766f137 | 1959 | svp = &GvSV(gv); /* symbol table variable */ |
0214ae40 | 1960 | SAVEGENERICSV(*svp); |
561b68a9 | 1961 | *svp = newSV(0); |
7766f137 | 1962 | #ifdef USE_ITHREADS |
e846cb92 | 1963 | iterdata = (PAD*)gv; |
7766f137 | 1964 | #endif |
54b9620d | 1965 | } |
4633a7c4 | 1966 | |
0d863452 RH |
1967 | if (PL_op->op_private & OPpITER_DEF) |
1968 | cxtype |= CXp_FOR_DEF; | |
1969 | ||
d343c3ef | 1970 | ENTER_with_name("loop2"); |
a0d0e21e | 1971 | |
7766f137 GS |
1972 | PUSHBLOCK(cx, cxtype, SP); |
1973 | #ifdef USE_ITHREADS | |
e846cb92 | 1974 | PUSHLOOP_FOR(cx, iterdata, MARK, PL_op->op_targ); |
7766f137 | 1975 | #else |
52d1f6fb | 1976 | PUSHLOOP_FOR(cx, svp, MARK, 0); |
7766f137 | 1977 | #endif |
533c011a | 1978 | if (PL_op->op_flags & OPf_STACKED) { |
d01136d6 BS |
1979 | SV *maybe_ary = POPs; |
1980 | if (SvTYPE(maybe_ary) != SVt_PVAV) { | |
89ea2908 | 1981 | dPOPss; |
d01136d6 | 1982 | SV * const right = maybe_ary; |
984a4bea RD |
1983 | SvGETMAGIC(sv); |
1984 | SvGETMAGIC(right); | |
4fe3f0fa | 1985 | if (RANGE_IS_NUMERIC(sv,right)) { |
d01136d6 | 1986 | cx->cx_type &= ~CXTYPEMASK; |
c6fdafd0 NC |
1987 | cx->cx_type |= CXt_LOOP_LAZYIV; |
1988 | /* Make sure that no-one re-orders cop.h and breaks our | |
1989 | assumptions */ | |
1990 | assert(CxTYPE(cx) == CXt_LOOP_LAZYIV); | |
a2309040 JH |
1991 | #ifdef NV_PRESERVES_UV |
1992 | if ((SvOK(sv) && ((SvNV(sv) < (NV)IV_MIN) || | |
1993 | (SvNV(sv) > (NV)IV_MAX))) | |
1994 | || | |
1995 | (SvOK(right) && ((SvNV(right) > (NV)IV_MAX) || | |
1996 | (SvNV(right) < (NV)IV_MIN)))) | |
1997 | #else | |
1998 | if ((SvOK(sv) && ((SvNV(sv) <= (NV)IV_MIN) | |
1999 | || | |
2000 | ((SvNV(sv) > 0) && | |
2001 | ((SvUV(sv) > (UV)IV_MAX) || | |
2002 | (SvNV(sv) > (NV)UV_MAX))))) | |
2003 | || | |
2004 | (SvOK(right) && ((SvNV(right) <= (NV)IV_MIN) | |
2005 | || | |
2006 | ((SvNV(right) > 0) && | |
2007 | ((SvUV(right) > (UV)IV_MAX) || | |
2008 | (SvNV(right) > (NV)UV_MAX)))))) | |
2009 | #endif | |
076d9a11 | 2010 | DIE(aTHX_ "Range iterator outside integer range"); |
d01136d6 BS |
2011 | cx->blk_loop.state_u.lazyiv.cur = SvIV(sv); |
2012 | cx->blk_loop.state_u.lazyiv.end = SvIV(right); | |
d4665a05 DM |
2013 | #ifdef DEBUGGING |
2014 | /* for correct -Dstv display */ | |
2015 | cx->blk_oldsp = sp - PL_stack_base; | |
2016 | #endif | |
89ea2908 | 2017 | } |
3f63a782 | 2018 | else { |
d01136d6 BS |
2019 | cx->cx_type &= ~CXTYPEMASK; |
2020 | cx->cx_type |= CXt_LOOP_LAZYSV; | |
2021 | /* Make sure that no-one re-orders cop.h and breaks our | |
2022 | assumptions */ | |
2023 | assert(CxTYPE(cx) == CXt_LOOP_LAZYSV); | |
2024 | cx->blk_loop.state_u.lazysv.cur = newSVsv(sv); | |
2025 | cx->blk_loop.state_u.lazysv.end = right; | |
2026 | SvREFCNT_inc(right); | |
2027 | (void) SvPV_force_nolen(cx->blk_loop.state_u.lazysv.cur); | |
267cc4a8 NC |
2028 | /* This will do the upgrade to SVt_PV, and warn if the value |
2029 | is uninitialised. */ | |
10516c54 | 2030 | (void) SvPV_nolen_const(right); |
267cc4a8 NC |
2031 | /* Doing this avoids a check every time in pp_iter in pp_hot.c |
2032 | to replace !SvOK() with a pointer to "". */ | |
2033 | if (!SvOK(right)) { | |
2034 | SvREFCNT_dec(right); | |
d01136d6 | 2035 | cx->blk_loop.state_u.lazysv.end = &PL_sv_no; |
267cc4a8 | 2036 | } |
3f63a782 | 2037 | } |
89ea2908 | 2038 | } |
d01136d6 | 2039 | else /* SvTYPE(maybe_ary) == SVt_PVAV */ { |
502c6561 | 2040 | cx->blk_loop.state_u.ary.ary = MUTABLE_AV(maybe_ary); |
d01136d6 BS |
2041 | SvREFCNT_inc(maybe_ary); |
2042 | cx->blk_loop.state_u.ary.ix = | |
2043 | (PL_op->op_private & OPpITER_REVERSED) ? | |
2044 | AvFILL(cx->blk_loop.state_u.ary.ary) + 1 : | |
2045 | -1; | |
ef3e5ea9 | 2046 | } |
89ea2908 | 2047 | } |
d01136d6 BS |
2048 | else { /* iterating over items on the stack */ |
2049 | cx->blk_loop.state_u.ary.ary = NULL; /* means to use the stack */ | |
ef3e5ea9 | 2050 | if (PL_op->op_private & OPpITER_REVERSED) { |
d01136d6 | 2051 | cx->blk_loop.state_u.ary.ix = cx->blk_oldsp + 1; |
ef3e5ea9 NC |
2052 | } |
2053 | else { | |
d01136d6 | 2054 | cx->blk_loop.state_u.ary.ix = MARK - PL_stack_base; |
ef3e5ea9 | 2055 | } |
4633a7c4 | 2056 | } |
a0d0e21e LW |
2057 | |
2058 | RETURN; | |
2059 | } | |
2060 | ||
2061 | PP(pp_enterloop) | |
2062 | { | |
27da23d5 | 2063 | dVAR; dSP; |
c09156bb | 2064 | register PERL_CONTEXT *cx; |
f54cb97a | 2065 | const I32 gimme = GIMME_V; |
a0d0e21e | 2066 | |
d343c3ef | 2067 | ENTER_with_name("loop1"); |
a0d0e21e | 2068 | SAVETMPS; |
d343c3ef | 2069 | ENTER_with_name("loop2"); |
a0d0e21e | 2070 | |
3b719c58 NC |
2071 | PUSHBLOCK(cx, CXt_LOOP_PLAIN, SP); |
2072 | PUSHLOOP_PLAIN(cx, SP); | |
a0d0e21e LW |
2073 | |
2074 | RETURN; | |
2075 | } | |
2076 | ||
2077 | PP(pp_leaveloop) | |
2078 | { | |
27da23d5 | 2079 | dVAR; dSP; |
c09156bb | 2080 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
2081 | I32 gimme; |
2082 | SV **newsp; | |
2083 | PMOP *newpm; | |
2084 | SV **mark; | |
2085 | ||
2086 | POPBLOCK(cx,newpm); | |
3b719c58 | 2087 | assert(CxTYPE_is_LOOP(cx)); |
4fdae800 | 2088 | mark = newsp; |
a8bba7fa | 2089 | newsp = PL_stack_base + cx->blk_loop.resetsp; |
f86702cc | 2090 | |
a1f49e72 | 2091 | TAINT_NOT; |
54310121 | 2092 | if (gimme == G_VOID) |
6f207bd3 | 2093 | NOOP; |
54310121 | 2094 | else if (gimme == G_SCALAR) { |
2095 | if (mark < SP) | |
2096 | *++newsp = sv_mortalcopy(*SP); | |
2097 | else | |
3280af22 | 2098 | *++newsp = &PL_sv_undef; |
a0d0e21e LW |
2099 | } |
2100 | else { | |
a1f49e72 | 2101 | while (mark < SP) { |
a0d0e21e | 2102 | *++newsp = sv_mortalcopy(*++mark); |
a1f49e72 CS |
2103 | TAINT_NOT; /* Each item is independent */ |
2104 | } | |
a0d0e21e | 2105 | } |
f86702cc | 2106 | SP = newsp; |
2107 | PUTBACK; | |
2108 | ||
a8bba7fa | 2109 | POPLOOP(cx); /* Stack values are safe: release loop vars ... */ |
3280af22 | 2110 | PL_curpm = newpm; /* ... and pop $1 et al */ |
f86702cc | 2111 | |
d343c3ef GG |
2112 | LEAVE_with_name("loop2"); |
2113 | LEAVE_with_name("loop1"); | |
a0d0e21e | 2114 | |
f86702cc | 2115 | return NORMAL; |
a0d0e21e LW |
2116 | } |
2117 | ||
2118 | PP(pp_return) | |
2119 | { | |
27da23d5 | 2120 | dVAR; dSP; dMARK; |
c09156bb | 2121 | register PERL_CONTEXT *cx; |
f86702cc | 2122 | bool popsub2 = FALSE; |
b45de488 | 2123 | bool clear_errsv = FALSE; |
a0d0e21e LW |
2124 | I32 gimme; |
2125 | SV **newsp; | |
2126 | PMOP *newpm; | |
2127 | I32 optype = 0; | |
b6494f15 | 2128 | SV *namesv; |
b0d9ce38 | 2129 | SV *sv; |
b263a1ad | 2130 | OP *retop = NULL; |
a0d0e21e | 2131 | |
0bd48802 AL |
2132 | const I32 cxix = dopoptosub(cxstack_ix); |
2133 | ||
9850bf21 RH |
2134 | if (cxix < 0) { |
2135 | if (CxMULTICALL(cxstack)) { /* In this case we must be in a | |
2136 | * sort block, which is a CXt_NULL | |
2137 | * not a CXt_SUB */ | |
2138 | dounwind(0); | |
d7507f74 RH |
2139 | PL_stack_base[1] = *PL_stack_sp; |
2140 | PL_stack_sp = PL_stack_base + 1; | |
a0d0e21e LW |
2141 | return 0; |
2142 | } | |
9850bf21 RH |
2143 | else |
2144 | DIE(aTHX_ "Can't return outside a subroutine"); | |
a0d0e21e | 2145 | } |
a0d0e21e LW |
2146 | if (cxix < cxstack_ix) |
2147 | dounwind(cxix); | |
2148 | ||
d7507f74 RH |
2149 | if (CxMULTICALL(&cxstack[cxix])) { |
2150 | gimme = cxstack[cxix].blk_gimme; | |
2151 | if (gimme == G_VOID) | |
2152 | PL_stack_sp = PL_stack_base; | |
2153 | else if (gimme == G_SCALAR) { | |
2154 | PL_stack_base[1] = *PL_stack_sp; | |
2155 | PL_stack_sp = PL_stack_base + 1; | |
2156 | } | |
9850bf21 | 2157 | return 0; |
d7507f74 | 2158 | } |
9850bf21 | 2159 | |
a0d0e21e | 2160 | POPBLOCK(cx,newpm); |
6b35e009 | 2161 | switch (CxTYPE(cx)) { |
a0d0e21e | 2162 | case CXt_SUB: |
f86702cc | 2163 | popsub2 = TRUE; |
f39bc417 | 2164 | retop = cx->blk_sub.retop; |
5dd42e15 | 2165 | cxstack_ix++; /* preserve cx entry on stack for use by POPSUB */ |
a0d0e21e LW |
2166 | break; |
2167 | case CXt_EVAL: | |
b45de488 GS |
2168 | if (!(PL_in_eval & EVAL_KEEPERR)) |
2169 | clear_errsv = TRUE; | |
a0d0e21e | 2170 | POPEVAL(cx); |
b6494f15 | 2171 | namesv = cx->blk_eval.old_namesv; |
f39bc417 | 2172 | retop = cx->blk_eval.retop; |
1d76a5c3 GS |
2173 | if (CxTRYBLOCK(cx)) |
2174 | break; | |
067f92a0 | 2175 | lex_end(); |
748a9306 LW |
2176 | if (optype == OP_REQUIRE && |
2177 | (MARK == SP || (gimme == G_SCALAR && !SvTRUE(*SP))) ) | |
2178 | { | |
54310121 | 2179 | /* Unassume the success we assumed earlier. */ |
b6494f15 VP |
2180 | (void)hv_delete(GvHVn(PL_incgv), |
2181 | SvPVX_const(namesv), SvCUR(namesv), | |
2182 | G_DISCARD); | |
2183 | DIE(aTHX_ "%"SVf" did not return a true value", SVfARG(namesv)); | |
748a9306 | 2184 | } |
a0d0e21e | 2185 | break; |
7766f137 GS |
2186 | case CXt_FORMAT: |
2187 | POPFORMAT(cx); | |
f39bc417 | 2188 | retop = cx->blk_sub.retop; |
7766f137 | 2189 | break; |
a0d0e21e | 2190 | default: |
cea2e8a9 | 2191 | DIE(aTHX_ "panic: return"); |
a0d0e21e LW |
2192 | } |
2193 | ||
a1f49e72 | 2194 | TAINT_NOT; |
a0d0e21e | 2195 | if (gimme == G_SCALAR) { |
a29cdaf0 IZ |
2196 | if (MARK < SP) { |
2197 | if (popsub2) { | |
a8bba7fa | 2198 | if (cx->blk_sub.cv && CvDEPTH(cx->blk_sub.cv) > 1) { |
a29cdaf0 IZ |
2199 | if (SvTEMP(TOPs)) { |
2200 | *++newsp = SvREFCNT_inc(*SP); | |
2201 | FREETMPS; | |
2202 | sv_2mortal(*newsp); | |
959e3673 GS |
2203 | } |
2204 | else { | |
2205 | sv = SvREFCNT_inc(*SP); /* FREETMPS could clobber it */ | |
a29cdaf0 | 2206 | FREETMPS; |
959e3673 GS |
2207 | *++newsp = sv_mortalcopy(sv); |
2208 | SvREFCNT_dec(sv); | |
a29cdaf0 | 2209 | } |
959e3673 GS |
2210 | } |
2211 | else | |
a29cdaf0 | 2212 | *++newsp = (SvTEMP(*SP)) ? *SP : sv_mortalcopy(*SP); |
959e3673 GS |
2213 | } |
2214 | else | |
a29cdaf0 | 2215 | *++newsp = sv_mortalcopy(*SP); |
959e3673 GS |
2216 | } |
2217 | else | |
3280af22 | 2218 | *++newsp = &PL_sv_undef; |
a0d0e21e | 2219 | } |
54310121 | 2220 | else if (gimme == G_ARRAY) { |
a1f49e72 | 2221 | while (++MARK <= SP) { |
f86702cc | 2222 | *++newsp = (popsub2 && SvTEMP(*MARK)) |
2223 | ? *MARK : sv_mortalcopy(*MARK); | |
a1f49e72 CS |
2224 | TAINT_NOT; /* Each item is independent */ |
2225 | } | |
a0d0e21e | 2226 | } |
3280af22 | 2227 | PL_stack_sp = newsp; |
a0d0e21e | 2228 | |
5dd42e15 | 2229 | LEAVE; |
f86702cc | 2230 | /* Stack values are safe: */ |
2231 | if (popsub2) { | |
5dd42e15 | 2232 | cxstack_ix--; |
b0d9ce38 | 2233 | POPSUB(cx,sv); /* release CV and @_ ... */ |
f86702cc | 2234 | } |
b0d9ce38 | 2235 | else |
c445ea15 | 2236 | sv = NULL; |
3280af22 | 2237 | PL_curpm = newpm; /* ... and pop $1 et al */ |
f86702cc | 2238 | |
b0d9ce38 | 2239 | LEAVESUB(sv); |
8433848b | 2240 | if (clear_errsv) { |
ab69dbc2 | 2241 | CLEAR_ERRSV(); |
8433848b | 2242 | } |
f39bc417 | 2243 | return retop; |
a0d0e21e LW |
2244 | } |
2245 | ||
2246 | PP(pp_last) | |
2247 | { | |
27da23d5 | 2248 | dVAR; dSP; |
a0d0e21e | 2249 | I32 cxix; |
c09156bb | 2250 | register PERL_CONTEXT *cx; |
f86702cc | 2251 | I32 pop2 = 0; |
a0d0e21e | 2252 | I32 gimme; |
8772537c | 2253 | I32 optype; |
b263a1ad | 2254 | OP *nextop = NULL; |
a0d0e21e LW |
2255 | SV **newsp; |
2256 | PMOP *newpm; | |
a8bba7fa | 2257 | SV **mark; |
c445ea15 | 2258 | SV *sv = NULL; |
9d4ba2ae | 2259 | |
a0d0e21e | 2260 | |
533c011a | 2261 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
2262 | cxix = dopoptoloop(cxstack_ix); |
2263 | if (cxix < 0) | |
a651a37d | 2264 | DIE(aTHX_ "Can't \"last\" outside a loop block"); |
a0d0e21e LW |
2265 | } |
2266 | else { | |
2267 | cxix = dopoptolabel(cPVOP->op_pv); | |
2268 | if (cxix < 0) | |
cea2e8a9 | 2269 | DIE(aTHX_ "Label not found for \"last %s\"", cPVOP->op_pv); |
a0d0e21e LW |
2270 | } |
2271 | if (cxix < cxstack_ix) | |
2272 | dounwind(cxix); | |
2273 | ||
2274 | POPBLOCK(cx,newpm); | |
5dd42e15 | 2275 | cxstack_ix++; /* temporarily protect top context */ |
a8bba7fa | 2276 | mark = newsp; |
6b35e009 | 2277 | switch (CxTYPE(cx)) { |
c6fdafd0 | 2278 | case CXt_LOOP_LAZYIV: |
d01136d6 | 2279 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
2280 | case CXt_LOOP_FOR: |
2281 | case CXt_LOOP_PLAIN: | |
2282 | pop2 = CxTYPE(cx); | |
a8bba7fa | 2283 | newsp = PL_stack_base + cx->blk_loop.resetsp; |
022eaa24 | 2284 | nextop = cx->blk_loop.my_op->op_lastop->op_next; |
a0d0e21e | 2285 | break; |
f86702cc | 2286 | case CXt_SUB: |
f86702cc | 2287 | pop2 = CXt_SUB; |
f39bc417 | 2288 | nextop = cx->blk_sub.retop; |
a0d0e21e | 2289 | break; |
f86702cc | 2290 | case CXt_EVAL: |
2291 | POPEVAL(cx); | |
f39bc417 | 2292 | nextop = cx->blk_eval.retop; |
a0d0e21e | 2293 | break; |
7766f137 GS |
2294 | case CXt_FORMAT: |
2295 | POPFORMAT(cx); | |
f39bc417 | 2296 | nextop = cx->blk_sub.retop; |
7766f137 | 2297 | break; |
a0d0e21e | 2298 | default: |
cea2e8a9 | 2299 | DIE(aTHX_ "panic: last"); |
a0d0e21e LW |
2300 | } |
2301 | ||
a1f49e72 | 2302 | TAINT_NOT; |
a0d0e21e | 2303 | if (gimme == G_SCALAR) { |
f86702cc | 2304 | if (MARK < SP) |
2305 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*SP)) | |
2306 | ? *SP : sv_mortalcopy(*SP); | |
a0d0e21e | 2307 | else |
3280af22 | 2308 | *++newsp = &PL_sv_undef; |
a0d0e21e | 2309 | } |
54310121 | 2310 | else if (gimme == G_ARRAY) { |
a1f49e72 | 2311 | while (++MARK <= SP) { |
f86702cc | 2312 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*MARK)) |
2313 | ? *MARK : sv_mortalcopy(*MARK); | |
a1f49e72 CS |
2314 | TAINT_NOT; /* Each item is independent */ |
2315 | } | |
f86702cc | 2316 | } |
2317 | SP = newsp; | |
2318 | PUTBACK; | |
2319 | ||
5dd42e15 DM |
2320 | LEAVE; |
2321 | cxstack_ix--; | |
f86702cc | 2322 | /* Stack values are safe: */ |
2323 | switch (pop2) { | |
c6fdafd0 | 2324 | case CXt_LOOP_LAZYIV: |
3b719c58 | 2325 | case CXt_LOOP_PLAIN: |
d01136d6 | 2326 | case CXt_LOOP_LAZYSV: |
3b719c58 | 2327 | case CXt_LOOP_FOR: |
a8bba7fa | 2328 | POPLOOP(cx); /* release loop vars ... */ |
4fdae800 | 2329 | LEAVE; |
f86702cc | 2330 | break; |
2331 | case CXt_SUB: | |
b0d9ce38 | 2332 | POPSUB(cx,sv); /* release CV and @_ ... */ |
f86702cc | 2333 | break; |
a0d0e21e | 2334 | } |
3280af22 | 2335 | PL_curpm = newpm; /* ... and pop $1 et al */ |
a0d0e21e | 2336 | |
b0d9ce38 | 2337 | LEAVESUB(sv); |
9d4ba2ae AL |
2338 | PERL_UNUSED_VAR(optype); |
2339 | PERL_UNUSED_VAR(gimme); | |
f86702cc | 2340 | return nextop; |
a0d0e21e LW |
2341 | } |
2342 | ||
2343 | PP(pp_next) | |
2344 | { | |
27da23d5 | 2345 | dVAR; |
a0d0e21e | 2346 | I32 cxix; |
c09156bb | 2347 | register PERL_CONTEXT *cx; |
85538317 | 2348 | I32 inner; |
a0d0e21e | 2349 | |
533c011a | 2350 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
2351 | cxix = dopoptoloop(cxstack_ix); |
2352 | if (cxix < 0) | |
a651a37d | 2353 | DIE(aTHX_ "Can't \"next\" outside a loop block"); |
a0d0e21e LW |
2354 | } |
2355 | else { | |
2356 | cxix = dopoptolabel(cPVOP->op_pv); | |
2357 | if (cxix < 0) | |
cea2e8a9 | 2358 | DIE(aTHX_ "Label not found for \"next %s\"", cPVOP->op_pv); |
a0d0e21e LW |
2359 | } |
2360 | if (cxix < cxstack_ix) | |
2361 | dounwind(cxix); | |
2362 | ||
85538317 GS |
2363 | /* clear off anything above the scope we're re-entering, but |
2364 | * save the rest until after a possible continue block */ | |
2365 | inner = PL_scopestack_ix; | |
1ba6ee2b | 2366 | TOPBLOCK(cx); |
85538317 GS |
2367 | if (PL_scopestack_ix < inner) |
2368 | leave_scope(PL_scopestack[PL_scopestack_ix]); | |
3a1b2b9e | 2369 | PL_curcop = cx->blk_oldcop; |
022eaa24 | 2370 | return CX_LOOP_NEXTOP_GET(cx); |
a0d0e21e LW |
2371 | } |
2372 | ||
2373 | PP(pp_redo) | |
2374 | { | |
27da23d5 | 2375 | dVAR; |
a0d0e21e | 2376 | I32 cxix; |
c09156bb | 2377 | register PERL_CONTEXT *cx; |
a0d0e21e | 2378 | I32 oldsave; |
a034e688 | 2379 | OP* redo_op; |
a0d0e21e | 2380 | |
533c011a | 2381 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
2382 | cxix = dopoptoloop(cxstack_ix); |
2383 | if (cxix < 0) | |
a651a37d | 2384 | DIE(aTHX_ "Can't \"redo\" outside a loop block"); |
a0d0e21e LW |
2385 | } |
2386 | else { | |
2387 | cxix = dopoptolabel(cPVOP->op_pv); | |
2388 | if (cxix < 0) | |
cea2e8a9 | 2389 | DIE(aTHX_ "Label not found for \"redo %s\"", cPVOP->op_pv); |
a0d0e21e LW |
2390 | } |
2391 | if (cxix < cxstack_ix) | |
2392 | dounwind(cxix); | |
2393 | ||
022eaa24 | 2394 | redo_op = cxstack[cxix].blk_loop.my_op->op_redoop; |
a034e688 DM |
2395 | if (redo_op->op_type == OP_ENTER) { |
2396 | /* pop one less context to avoid $x being freed in while (my $x..) */ | |
2397 | cxstack_ix++; | |
2398 | assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_BLOCK); | |
2399 | redo_op = redo_op->op_next; | |
2400 | } | |
2401 | ||
a0d0e21e | 2402 | TOPBLOCK(cx); |
3280af22 | 2403 | oldsave = PL_scopestack[PL_scopestack_ix - 1]; |
a0d0e21e | 2404 | LEAVE_SCOPE(oldsave); |
936c78b5 | 2405 | FREETMPS; |
3a1b2b9e | 2406 | PL_curcop = cx->blk_oldcop; |
a034e688 | 2407 | return redo_op; |
a0d0e21e LW |
2408 | } |
2409 | ||
0824fdcb | 2410 | STATIC OP * |
bfed75c6 | 2411 | S_dofindlabel(pTHX_ OP *o, const char *label, OP **opstack, OP **oplimit) |
a0d0e21e | 2412 | { |
97aff369 | 2413 | dVAR; |
a0d0e21e | 2414 | OP **ops = opstack; |
bfed75c6 | 2415 | static const char too_deep[] = "Target of goto is too deeply nested"; |
a0d0e21e | 2416 | |
7918f24d NC |
2417 | PERL_ARGS_ASSERT_DOFINDLABEL; |
2418 | ||
fc36a67e | 2419 | if (ops >= oplimit) |
cea2e8a9 | 2420 | Perl_croak(aTHX_ too_deep); |
11343788 MB |
2421 | if (o->op_type == OP_LEAVE || |
2422 | o->op_type == OP_SCOPE || | |
2423 | o->op_type == OP_LEAVELOOP || | |
33d34e4c | 2424 | o->op_type == OP_LEAVESUB || |
11343788 | 2425 | o->op_type == OP_LEAVETRY) |
fc36a67e | 2426 | { |
5dc0d613 | 2427 | *ops++ = cUNOPo->op_first; |
fc36a67e | 2428 | if (ops >= oplimit) |
cea2e8a9 | 2429 | Perl_croak(aTHX_ too_deep); |
fc36a67e | 2430 | } |
c4aa4e48 | 2431 | *ops = 0; |
11343788 | 2432 | if (o->op_flags & OPf_KIDS) { |
aec46f14 | 2433 | OP *kid; |
a0d0e21e | 2434 | /* First try all the kids at this level, since that's likeliest. */ |
11343788 | 2435 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
7e8f1eac AD |
2436 | if (kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) { |
2437 | const char *kid_label = CopLABEL(kCOP); | |
2438 | if (kid_label && strEQ(kid_label, label)) | |
2439 | return kid; | |
2440 | } | |
a0d0e21e | 2441 | } |
11343788 | 2442 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
3280af22 | 2443 | if (kid == PL_lastgotoprobe) |
a0d0e21e | 2444 | continue; |
ed8d0fe2 SM |
2445 | if (kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) { |
2446 | if (ops == opstack) | |
2447 | *ops++ = kid; | |
2448 | else if (ops[-1]->op_type == OP_NEXTSTATE || | |
2449 | ops[-1]->op_type == OP_DBSTATE) | |
2450 | ops[-1] = kid; | |
2451 | else | |
2452 | *ops++ = kid; | |
2453 | } | |
155aba94 | 2454 | if ((o = dofindlabel(kid, label, ops, oplimit))) |
11343788 | 2455 | return o; |
a0d0e21e LW |
2456 | } |
2457 | } | |
c4aa4e48 | 2458 | *ops = 0; |
a0d0e21e LW |
2459 | return 0; |
2460 | } | |
2461 | ||
a0d0e21e LW |
2462 | PP(pp_goto) |
2463 | { | |
27da23d5 | 2464 | dVAR; dSP; |
cbbf8932 | 2465 | OP *retop = NULL; |
a0d0e21e | 2466 | I32 ix; |
c09156bb | 2467 | register PERL_CONTEXT *cx; |
fc36a67e | 2468 | #define GOTO_DEPTH 64 |
2469 | OP *enterops[GOTO_DEPTH]; | |
cbbf8932 | 2470 | const char *label = NULL; |
bfed75c6 AL |
2471 | const bool do_dump = (PL_op->op_type == OP_DUMP); |
2472 | static const char must_have_label[] = "goto must have label"; | |
a0d0e21e | 2473 | |
533c011a | 2474 | if (PL_op->op_flags & OPf_STACKED) { |
9d4ba2ae | 2475 | SV * const sv = POPs; |
a0d0e21e LW |
2476 | |
2477 | /* This egregious kludge implements goto &subroutine */ | |
2478 | if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) { | |
2479 | I32 cxix; | |
c09156bb | 2480 | register PERL_CONTEXT *cx; |
ea726b52 | 2481 | CV *cv = MUTABLE_CV(SvRV(sv)); |
a0d0e21e LW |
2482 | SV** mark; |
2483 | I32 items = 0; | |
2484 | I32 oldsave; | |
b1464ded | 2485 | bool reified = 0; |
a0d0e21e | 2486 | |
e8f7dd13 | 2487 | retry: |
4aa0a1f7 | 2488 | if (!CvROOT(cv) && !CvXSUB(cv)) { |
7fc63493 | 2489 | const GV * const gv = CvGV(cv); |
e8f7dd13 | 2490 | if (gv) { |
7fc63493 | 2491 | GV *autogv; |
e8f7dd13 GS |
2492 | SV *tmpstr; |
2493 | /* autoloaded stub? */ | |
2494 | if (cv != GvCV(gv) && (cv = GvCV(gv))) | |
2495 | goto retry; | |
2496 | autogv = gv_autoload4(GvSTASH(gv), GvNAME(gv), | |
2497 | GvNAMELEN(gv), FALSE); | |
2498 | if (autogv && (cv = GvCV(autogv))) | |
2499 | goto retry; | |
2500 | tmpstr = sv_newmortal(); | |
c445ea15 | 2501 | gv_efullname3(tmpstr, gv, NULL); |
be2597df | 2502 | DIE(aTHX_ "Goto undefined subroutine &%"SVf"", SVfARG(tmpstr)); |
4aa0a1f7 | 2503 | } |
cea2e8a9 | 2504 | DIE(aTHX_ "Goto undefined subroutine"); |
4aa0a1f7 AD |
2505 | } |
2506 | ||
a0d0e21e | 2507 | /* First do some returnish stuff. */ |
b37c2d43 | 2508 | SvREFCNT_inc_simple_void(cv); /* avoid premature free during unwind */ |
71fc2216 | 2509 | FREETMPS; |
a0d0e21e LW |
2510 | cxix = dopoptosub(cxstack_ix); |
2511 | if (cxix < 0) | |
cea2e8a9 | 2512 | DIE(aTHX_ "Can't goto subroutine outside a subroutine"); |
a0d0e21e LW |
2513 | if (cxix < cxstack_ix) |
2514 | dounwind(cxix); | |
2515 | TOPBLOCK(cx); | |
2d43a17f | 2516 | SPAGAIN; |
564abe23 | 2517 | /* ban goto in eval: see <20050521150056.GC20213@iabyn.com> */ |
2d43a17f | 2518 | if (CxTYPE(cx) == CXt_EVAL) { |
c74ace89 DM |
2519 | if (CxREALEVAL(cx)) |
2520 | DIE(aTHX_ "Can't goto subroutine from an eval-string"); | |
2521 | else | |
2522 | DIE(aTHX_ "Can't goto subroutine from an eval-block"); | |
2d43a17f | 2523 | } |
9850bf21 RH |
2524 | else if (CxMULTICALL(cx)) |
2525 | DIE(aTHX_ "Can't goto subroutine from a sort sub (or similar callback)"); | |
bafb2adc | 2526 | if (CxTYPE(cx) == CXt_SUB && CxHASARGS(cx)) { |
d8b46c1b | 2527 | /* put @_ back onto stack */ |
a0d0e21e | 2528 | AV* av = cx->blk_sub.argarray; |
bfed75c6 | 2529 | |
93965878 | 2530 | items = AvFILLp(av) + 1; |
a45cdc79 DM |
2531 | EXTEND(SP, items+1); /* @_ could have been extended. */ |
2532 | Copy(AvARRAY(av), SP + 1, items, SV*); | |
3280af22 NIS |
2533 | SvREFCNT_dec(GvAV(PL_defgv)); |
2534 | GvAV(PL_defgv) = cx->blk_sub.savearray; | |
b1464ded | 2535 | CLEAR_ARGARRAY(av); |
d8b46c1b | 2536 | /* abandon @_ if it got reified */ |
62b1ebc2 | 2537 | if (AvREAL(av)) { |
b1464ded DM |
2538 | reified = 1; |
2539 | SvREFCNT_dec(av); | |
d8b46c1b GS |
2540 | av = newAV(); |
2541 | av_extend(av, items-1); | |
11ca45c0 | 2542 | AvREIFY_only(av); |
ad64d0ec | 2543 | PAD_SVl(0) = MUTABLE_SV(cx->blk_sub.argarray = av); |
62b1ebc2 | 2544 | } |
a0d0e21e | 2545 | } |
aed2304a | 2546 | else if (CvISXSUB(cv)) { /* put GvAV(defgv) back onto stack */ |
890ce7af | 2547 | AV* const av = GvAV(PL_defgv); |
1fa4e549 | 2548 | items = AvFILLp(av) + 1; |
a45cdc79 DM |
2549 | EXTEND(SP, items+1); /* @_ could have been extended. */ |
2550 | Copy(AvARRAY(av), SP + 1, items, SV*); | |
1fa4e549 | 2551 | } |
a45cdc79 DM |
2552 | mark = SP; |
2553 | SP += items; | |
6b35e009 | 2554 | if (CxTYPE(cx) == CXt_SUB && |
b150fb22 | 2555 | !(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth)) |
a0d0e21e | 2556 | SvREFCNT_dec(cx->blk_sub.cv); |
3280af22 | 2557 | oldsave = PL_scopestack[PL_scopestack_ix - 1]; |
a0d0e21e LW |
2558 | LEAVE_SCOPE(oldsave); |
2559 | ||
2560 | /* Now do some callish stuff. */ | |
2561 | SAVETMPS; | |
5023d17a | 2562 | SAVEFREESV(cv); /* later, undo the 'avoid premature free' hack */ |
aed2304a | 2563 | if (CvISXSUB(cv)) { |
b37c2d43 | 2564 | OP* const retop = cx->blk_sub.retop; |
f73ef291 NC |
2565 | SV **newsp; |
2566 | I32 gimme; | |
b1464ded DM |
2567 | if (reified) { |
2568 | I32 index; | |
2569 | for (index=0; index<items; index++) | |
2570 | sv_2mortal(SP[-index]); | |
2571 | } | |
1fa4e549 | 2572 | |
b37c2d43 AL |
2573 | /* XS subs don't have a CxSUB, so pop it */ |
2574 | POPBLOCK(cx, PL_curpm); | |
2575 | /* Push a mark for the start of arglist */ | |
2576 | PUSHMARK(mark); | |
2577 | PUTBACK; | |
2578 | (void)(*CvXSUB(cv))(aTHX_ cv); | |
a57c6685 | 2579 | LEAVE; |
5eff7df7 | 2580 | return retop; |
a0d0e21e LW |
2581 | } |
2582 | else { | |
b37c2d43 | 2583 | AV* const padlist = CvPADLIST(cv); |
6b35e009 | 2584 | if (CxTYPE(cx) == CXt_EVAL) { |
85a64632 | 2585 | PL_in_eval = CxOLD_IN_EVAL(cx); |
3280af22 | 2586 | PL_eval_root = cx->blk_eval.old_eval_root; |
b150fb22 | 2587 | cx->cx_type = CXt_SUB; |
b150fb22 | 2588 | } |
a0d0e21e | 2589 | cx->blk_sub.cv = cv; |
1a5b3db4 | 2590 | cx->blk_sub.olddepth = CvDEPTH(cv); |
dd2155a4 | 2591 | |
a0d0e21e LW |
2592 | CvDEPTH(cv)++; |
2593 | if (CvDEPTH(cv) < 2) | |
74c765eb | 2594 | SvREFCNT_inc_simple_void_NN(cv); |
dd2155a4 | 2595 | else { |
2b9dff67 | 2596 | if (CvDEPTH(cv) == PERL_SUB_DEPTH_WARN && ckWARN(WARN_RECURSION)) |
44a8e56a | 2597 | sub_crush_depth(cv); |
26019298 | 2598 | pad_push(padlist, CvDEPTH(cv)); |
a0d0e21e | 2599 | } |
fd617465 DM |
2600 | SAVECOMPPAD(); |
2601 | PAD_SET_CUR_NOSAVE(padlist, CvDEPTH(cv)); | |
bafb2adc | 2602 | if (CxHASARGS(cx)) |
6d4ff0d2 | 2603 | { |
502c6561 | 2604 | AV *const av = MUTABLE_AV(PAD_SVl(0)); |
a0d0e21e | 2605 | |
3280af22 | 2606 | cx->blk_sub.savearray = GvAV(PL_defgv); |
502c6561 | 2607 | GvAV(PL_defgv) = MUTABLE_AV(SvREFCNT_inc_simple(av)); |
dd2155a4 | 2608 | CX_CURPAD_SAVE(cx->blk_sub); |
6d4ff0d2 | 2609 | cx->blk_sub.argarray = av; |
a0d0e21e LW |
2610 | |
2611 | if (items >= AvMAX(av) + 1) { | |
b37c2d43 | 2612 | SV **ary = AvALLOC(av); |
a0d0e21e LW |
2613 | if (AvARRAY(av) != ary) { |
2614 | AvMAX(av) += AvARRAY(av) - AvALLOC(av); | |
9c6bc640 | 2615 | AvARRAY(av) = ary; |
a0d0e21e LW |
2616 | } |
2617 | if (items >= AvMAX(av) + 1) { | |
2618 | AvMAX(av) = items - 1; | |
2619 | Renew(ary,items+1,SV*); | |
2620 | AvALLOC(av) = ary; | |
9c6bc640 | 2621 | AvARRAY(av) = ary; |
a0d0e21e LW |
2622 | } |
2623 | } | |
a45cdc79 | 2624 | ++mark; |
a0d0e21e | 2625 | Copy(mark,AvARRAY(av),items,SV*); |
93965878 | 2626 | AvFILLp(av) = items - 1; |
d8b46c1b | 2627 | assert(!AvREAL(av)); |
b1464ded DM |
2628 | if (reified) { |
2629 | /* transfer 'ownership' of refcnts to new @_ */ | |
2630 | AvREAL_on(av); | |
2631 | AvREIFY_off(av); | |
2632 | } | |
a0d0e21e LW |
2633 | while (items--) { |
2634 | if (*mark) | |
2635 | SvTEMP_off(*mark); | |
2636 | mark++; | |
2637 | } | |
2638 | } | |
491527d0 | 2639 | if (PERLDB_SUB) { /* Checking curstash breaks DProf. */ |
005a8a35 | 2640 | Perl_get_db_sub(aTHX_ NULL, cv); |
b37c2d43 | 2641 | if (PERLDB_GOTO) { |
b96d8cd9 | 2642 | CV * const gotocv = get_cvs("DB::goto", 0); |
b37c2d43 AL |
2643 | if (gotocv) { |
2644 | PUSHMARK( PL_stack_sp ); | |
ad64d0ec | 2645 | call_sv(MUTABLE_SV(gotocv), G_SCALAR | G_NODEBUG); |
b37c2d43 AL |
2646 | PL_stack_sp--; |
2647 | } | |
491527d0 | 2648 | } |
1ce6579f | 2649 | } |
a0d0e21e LW |
2650 | RETURNOP(CvSTART(cv)); |
2651 | } | |
2652 | } | |
1614b0e3 | 2653 | else { |
0510663f | 2654 | label = SvPV_nolen_const(sv); |
1614b0e3 | 2655 | if (!(do_dump || *label)) |
cea2e8a9 | 2656 | DIE(aTHX_ must_have_label); |
1614b0e3 | 2657 | } |
a0d0e21e | 2658 | } |
533c011a | 2659 | else if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e | 2660 | if (! do_dump) |
cea2e8a9 | 2661 | DIE(aTHX_ must_have_label); |
a0d0e21e LW |
2662 | } |
2663 | else | |
2664 | label = cPVOP->op_pv; | |
2665 | ||
f410a211 NC |
2666 | PERL_ASYNC_CHECK(); |
2667 | ||
a0d0e21e | 2668 | if (label && *label) { |
cbbf8932 | 2669 | OP *gotoprobe = NULL; |
3b2447bc | 2670 | bool leaving_eval = FALSE; |
33d34e4c | 2671 | bool in_block = FALSE; |
cbbf8932 | 2672 | PERL_CONTEXT *last_eval_cx = NULL; |
a0d0e21e LW |
2673 | |
2674 | /* find label */ | |
2675 | ||
d4c19fe8 | 2676 | PL_lastgotoprobe = NULL; |
a0d0e21e LW |
2677 | *enterops = 0; |
2678 | for (ix = cxstack_ix; ix >= 0; ix--) { | |
2679 | cx = &cxstack[ix]; | |
6b35e009 | 2680 | switch (CxTYPE(cx)) { |
a0d0e21e | 2681 | case CXt_EVAL: |
3b2447bc | 2682 | leaving_eval = TRUE; |
971ecbe6 | 2683 | if (!CxTRYBLOCK(cx)) { |
a4f3a277 RH |
2684 | gotoprobe = (last_eval_cx ? |
2685 | last_eval_cx->blk_eval.old_eval_root : | |
2686 | PL_eval_root); | |
2687 | last_eval_cx = cx; | |
9c5794fe RH |
2688 | break; |
2689 | } | |
2690 | /* else fall through */ | |
c6fdafd0 | 2691 | case CXt_LOOP_LAZYIV: |
d01136d6 | 2692 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
2693 | case CXt_LOOP_FOR: |
2694 | case CXt_LOOP_PLAIN: | |
bb5aedc1 VP |
2695 | case CXt_GIVEN: |
2696 | case CXt_WHEN: | |
a0d0e21e LW |
2697 | gotoprobe = cx->blk_oldcop->op_sibling; |
2698 | break; | |
2699 | case CXt_SUBST: | |
2700 | continue; | |
2701 | case CXt_BLOCK: | |
33d34e4c | 2702 | if (ix) { |
a0d0e21e | 2703 | gotoprobe = cx->blk_oldcop->op_sibling; |
33d34e4c AE |
2704 | in_block = TRUE; |
2705 | } else | |
3280af22 | 2706 | gotoprobe = PL_main_root; |
a0d0e21e | 2707 | break; |
b3933176 | 2708 | case CXt_SUB: |
9850bf21 | 2709 | if (CvDEPTH(cx->blk_sub.cv) && !CxMULTICALL(cx)) { |
b3933176 CS |
2710 | gotoprobe = CvROOT(cx->blk_sub.cv); |
2711 | break; | |
2712 | } | |
2713 | /* FALL THROUGH */ | |
7766f137 | 2714 | case CXt_FORMAT: |
0a753a76 | 2715 | case CXt_NULL: |
a651a37d | 2716 | DIE(aTHX_ "Can't \"goto\" out of a pseudo block"); |
a0d0e21e LW |
2717 | default: |
2718 | if (ix) | |
cea2e8a9 | 2719 | DIE(aTHX_ "panic: goto"); |
3280af22 | 2720 | gotoprobe = PL_main_root; |
a0d0e21e LW |
2721 | break; |
2722 | } | |
2b597662 GS |
2723 | if (gotoprobe) { |
2724 | retop = dofindlabel(gotoprobe, label, | |
2725 | enterops, enterops + GOTO_DEPTH); | |
2726 | if (retop) | |
2727 | break; | |
2728 | } | |
3280af22 | 2729 | PL_lastgotoprobe = gotoprobe; |
a0d0e21e LW |
2730 | } |
2731 | if (!retop) | |
cea2e8a9 | 2732 | DIE(aTHX_ "Can't find label %s", label); |
a0d0e21e | 2733 | |
3b2447bc RH |
2734 | /* if we're leaving an eval, check before we pop any frames |
2735 | that we're not going to punt, otherwise the error | |
2736 | won't be caught */ | |
2737 | ||
2738 | if (leaving_eval && *enterops && enterops[1]) { | |
2739 | I32 i; | |
2740 | for (i = 1; enterops[i]; i++) | |
2741 | if (enterops[i]->op_type == OP_ENTERITER) | |
2742 | DIE(aTHX_ "Can't \"goto\" into the middle of a foreach loop"); | |
2743 | } | |
2744 | ||
b500e03b GG |
2745 | if (*enterops && enterops[1]) { |
2746 | I32 i = enterops[1]->op_type == OP_ENTER && in_block ? 2 : 1; | |
2747 | if (enterops[i]) | |
2748 | deprecate("\"goto\" to jump into a construct"); | |
2749 | } | |
2750 | ||
a0d0e21e LW |
2751 | /* pop unwanted frames */ |
2752 | ||
2753 | if (ix < cxstack_ix) { | |
2754 | I32 oldsave; | |
2755 | ||
2756 | if (ix < 0) | |
2757 | ix = 0; | |
2758 | dounwind(ix); | |
2759 | TOPBLOCK(cx); | |
3280af22 | 2760 | oldsave = PL_scopestack[PL_scopestack_ix]; |
a0d0e21e LW |
2761 | LEAVE_SCOPE(oldsave); |
2762 | } | |
2763 | ||
2764 | /* push wanted frames */ | |
2765 | ||
748a9306 | 2766 | if (*enterops && enterops[1]) { |
0bd48802 | 2767 | OP * const oldop = PL_op; |
33d34e4c AE |
2768 | ix = enterops[1]->op_type == OP_ENTER && in_block ? 2 : 1; |
2769 | for (; enterops[ix]; ix++) { | |
533c011a | 2770 | PL_op = enterops[ix]; |
84902520 TB |
2771 | /* Eventually we may want to stack the needed arguments |
2772 | * for each op. For now, we punt on the hard ones. */ | |
533c011a | 2773 | if (PL_op->op_type == OP_ENTERITER) |
894356b3 | 2774 | DIE(aTHX_ "Can't \"goto\" into the middle of a foreach loop"); |
fc0dc3b3 | 2775 | CALL_FPTR(PL_op->op_ppaddr)(aTHX); |
a0d0e21e | 2776 | } |
533c011a | 2777 | PL_op = oldop; |
a0d0e21e LW |
2778 | } |
2779 | } | |
2780 | ||
2781 | if (do_dump) { | |
a5f75d66 | 2782 | #ifdef VMS |
6b88bc9c | 2783 | if (!retop) retop = PL_main_start; |
a5f75d66 | 2784 | #endif |
3280af22 NIS |
2785 | PL_restartop = retop; |
2786 | PL_do_undump = TRUE; | |
a0d0e21e LW |
2787 | |
2788 | my_unexec(); | |
2789 | ||
3280af22 NIS |
2790 | PL_restartop = 0; /* hmm, must be GNU unexec().. */ |
2791 | PL_do_undump = FALSE; | |
a0d0e21e LW |
2792 | } |
2793 | ||
2794 | RETURNOP(retop); | |
2795 | } | |
2796 | ||
2797 | PP(pp_exit) | |
2798 | { | |
97aff369 | 2799 | dVAR; |
39644a26 | 2800 | dSP; |
a0d0e21e LW |
2801 | I32 anum; |
2802 | ||
2803 | if (MAXARG < 1) | |
2804 | anum = 0; | |
ff0cee69 | 2805 | else { |
a0d0e21e | 2806 | anum = SvIVx(POPs); |
d98f61e7 GS |
2807 | #ifdef VMS |
2808 | if (anum == 1 && (PL_op->op_private & OPpEXIT_VMSISH)) | |
ff0cee69 | 2809 | anum = 0; |
96e176bf | 2810 | VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH); |
ff0cee69 | 2811 | #endif |
2812 | } | |
cc3604b1 | 2813 | PL_exit_flags |= PERL_EXIT_EXPECTED; |
81d86705 NC |
2814 | #ifdef PERL_MAD |
2815 | /* KLUDGE: disable exit 0 in BEGIN blocks when we're just compiling */ | |
2816 | if (anum || !(PL_minus_c && PL_madskills)) | |
2817 | my_exit(anum); | |
2818 | #else | |
a0d0e21e | 2819 | my_exit(anum); |
81d86705 | 2820 | #endif |
3280af22 | 2821 | PUSHs(&PL_sv_undef); |
a0d0e21e LW |
2822 | RETURN; |
2823 | } | |
2824 | ||
a0d0e21e LW |
2825 | /* Eval. */ |
2826 | ||
0824fdcb | 2827 | STATIC void |
cea2e8a9 | 2828 | S_save_lines(pTHX_ AV *array, SV *sv) |
a0d0e21e | 2829 | { |
504618e9 | 2830 | const char *s = SvPVX_const(sv); |
890ce7af | 2831 | const char * const send = SvPVX_const(sv) + SvCUR(sv); |
504618e9 | 2832 | I32 line = 1; |
a0d0e21e | 2833 | |
7918f24d NC |
2834 | PERL_ARGS_ASSERT_SAVE_LINES; |
2835 | ||
a0d0e21e | 2836 | while (s && s < send) { |
f54cb97a | 2837 | const char *t; |
b9f83d2f | 2838 | SV * const tmpstr = newSV_type(SVt_PVMG); |
a0d0e21e | 2839 | |
1d963ff3 | 2840 | t = (const char *)memchr(s, '\n', send - s); |
a0d0e21e LW |
2841 | if (t) |
2842 | t++; | |
2843 | else | |
2844 | t = send; | |
2845 | ||
2846 | sv_setpvn(tmpstr, s, t - s); | |
2847 | av_store(array, line++, tmpstr); | |
2848 | s = t; | |
2849 | } | |
2850 | } | |
2851 | ||
22f16304 RU |
2852 | /* |
2853 | =for apidoc docatch | |
2854 | ||
2855 | Check for the cases 0 or 3 of cur_env.je_ret, only used inside an eval context. | |
2856 | ||
2857 | 0 is used as continue inside eval, | |
2858 | ||
2859 | 3 is used for a die caught by an inner eval - continue inner loop | |
2860 | ||
2861 | See cop.h: je_mustcatch, when set at any runlevel to TRUE, means eval ops must | |
2862 | establish a local jmpenv to handle exception traps. | |
2863 | ||
2864 | =cut | |
2865 | */ | |
0824fdcb | 2866 | STATIC OP * |
cea2e8a9 | 2867 | S_docatch(pTHX_ OP *o) |
1e422769 | 2868 | { |
97aff369 | 2869 | dVAR; |
6224f72b | 2870 | int ret; |
06b5626a | 2871 | OP * const oldop = PL_op; |
db36c5a1 | 2872 | dJMPENV; |
1e422769 | 2873 | |
1e422769 | 2874 | #ifdef DEBUGGING |
54310121 | 2875 | assert(CATCH_GET == TRUE); |
1e422769 | 2876 | #endif |
312caa8e | 2877 | PL_op = o; |
8bffa5f8 | 2878 | |
14dd3ad8 | 2879 | JMPENV_PUSH(ret); |
6224f72b | 2880 | switch (ret) { |
312caa8e | 2881 | case 0: |
abd70938 DM |
2882 | assert(cxstack_ix >= 0); |
2883 | assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_EVAL); | |
2884 | cxstack[cxstack_ix].blk_eval.cur_top_env = PL_top_env; | |
14dd3ad8 | 2885 | redo_body: |
85aaa934 | 2886 | CALLRUNOPS(aTHX); |
312caa8e CS |
2887 | break; |
2888 | case 3: | |
8bffa5f8 | 2889 | /* die caught by an inner eval - continue inner loop */ |
febb3a6d Z |
2890 | if (PL_restartop && PL_restartjmpenv == PL_top_env) { |
2891 | PL_restartjmpenv = NULL; | |
312caa8e CS |
2892 | PL_op = PL_restartop; |
2893 | PL_restartop = 0; | |
2894 | goto redo_body; | |
2895 | } | |
2896 | /* FALL THROUGH */ | |
2897 | default: | |
14dd3ad8 | 2898 | JMPENV_POP; |
533c011a | 2899 | PL_op = oldop; |
6224f72b | 2900 | JMPENV_JUMP(ret); |
1e422769 | 2901 | /* NOTREACHED */ |
1e422769 | 2902 | } |
14dd3ad8 | 2903 | JMPENV_POP; |
533c011a | 2904 | PL_op = oldop; |
5f66b61c | 2905 | return NULL; |
1e422769 | 2906 | } |
2907 | ||
ee23ad3b NC |
2908 | /* James Bond: Do you expect me to talk? |
2909 | Auric Goldfinger: No, Mr. Bond. I expect you to die. | |
2910 | ||
2911 | This code is an ugly hack, doesn't work with lexicals in subroutines that are | |
2912 | called more than once, and is only used by regcomp.c, for (?{}) blocks. | |
2913 | ||
2914 | Currently it is not used outside the core code. Best if it stays that way. | |
2915 | */ | |
c277df42 | 2916 | OP * |
bfed75c6 | 2917 | Perl_sv_compile_2op(pTHX_ SV *sv, OP** startop, const char *code, PAD** padp) |
c277df42 IZ |
2918 | /* sv Text to convert to OP tree. */ |
2919 | /* startop op_free() this to undo. */ | |
2920 | /* code Short string id of the caller. */ | |
2921 | { | |
27da23d5 | 2922 | dVAR; dSP; /* Make POPBLOCK work. */ |
c277df42 IZ |
2923 | PERL_CONTEXT *cx; |
2924 | SV **newsp; | |
b094c71d | 2925 | I32 gimme = G_VOID; |
c277df42 IZ |
2926 | I32 optype; |
2927 | OP dummy; | |
83ee9e09 GS |
2928 | char tbuf[TYPE_DIGITS(long) + 12 + 10]; |
2929 | char *tmpbuf = tbuf; | |
c277df42 | 2930 | char *safestr; |
a3985cdc | 2931 | int runtime; |
601f1833 | 2932 | CV* runcv = NULL; /* initialise to avoid compiler warnings */ |
f7997f86 | 2933 | STRLEN len; |
c277df42 | 2934 | |
7918f24d NC |
2935 | PERL_ARGS_ASSERT_SV_COMPILE_2OP; |
2936 | ||
d343c3ef | 2937 | ENTER_with_name("eval"); |
5486870f | 2938 | lex_start(sv, NULL, FALSE); |
c277df42 IZ |
2939 | SAVETMPS; |
2940 | /* switch to eval mode */ | |
2941 | ||
923e4eb5 | 2942 | if (IN_PERL_COMPILETIME) { |
f4dd75d9 | 2943 | SAVECOPSTASH_FREE(&PL_compiling); |
11faa288 | 2944 | CopSTASH_set(&PL_compiling, PL_curstash); |
cbce877f | 2945 | } |
83ee9e09 | 2946 | if (PERLDB_NAMEEVAL && CopLINE(PL_curcop)) { |
9d4ba2ae | 2947 | SV * const sv = sv_newmortal(); |
83ee9e09 GS |
2948 | Perl_sv_setpvf(aTHX_ sv, "_<(%.10seval %lu)[%s:%"IVdf"]", |
2949 | code, (unsigned long)++PL_evalseq, | |
2950 | CopFILE(PL_curcop), (IV)CopLINE(PL_curcop)); | |
2951 | tmpbuf = SvPVX(sv); | |
fc009855 | 2952 | len = SvCUR(sv); |
83ee9e09 GS |
2953 | } |
2954 | else | |
d9fad198 JH |
2955 | len = my_snprintf(tmpbuf, sizeof(tbuf), "_<(%.10s_eval %lu)", code, |
2956 | (unsigned long)++PL_evalseq); | |
f4dd75d9 | 2957 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 2958 | CopFILE_set(&PL_compiling, tmpbuf+2); |
f4dd75d9 | 2959 | SAVECOPLINE(&PL_compiling); |
57843af0 | 2960 | CopLINE_set(&PL_compiling, 1); |
c277df42 IZ |
2961 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
2962 | deleting the eval's FILEGV from the stash before gv_check() runs | |
2963 | (i.e. before run-time proper). To work around the coredump that | |
2964 | ensues, we always turn GvMULTI_on for any globals that were | |
2965 | introduced within evals. See force_ident(). GSAR 96-10-12 */ | |
f7997f86 NC |
2966 | safestr = savepvn(tmpbuf, len); |
2967 | SAVEDELETE(PL_defstash, safestr, len); | |
b3ac6de7 | 2968 | SAVEHINTS(); |
d1ca3daa | 2969 | #ifdef OP_IN_REGISTER |
6b88bc9c | 2970 | PL_opsave = op; |
d1ca3daa | 2971 | #else |
7766f137 | 2972 | SAVEVPTR(PL_op); |
d1ca3daa | 2973 | #endif |
c277df42 | 2974 | |
a3985cdc | 2975 | /* we get here either during compilation, or via pp_regcomp at runtime */ |
923e4eb5 | 2976 | runtime = IN_PERL_RUNTIME; |
a3985cdc | 2977 | if (runtime) |
d819b83a | 2978 | runcv = find_runcv(NULL); |
a3985cdc | 2979 | |
533c011a | 2980 | PL_op = &dummy; |
13b51b79 | 2981 | PL_op->op_type = OP_ENTEREVAL; |
533c011a | 2982 | PL_op->op_flags = 0; /* Avoid uninit warning. */ |
923e4eb5 | 2983 | PUSHBLOCK(cx, CXt_EVAL|(IN_PERL_COMPILETIME ? 0 : CXp_REAL), SP); |
6b75f042 | 2984 | PUSHEVAL(cx, 0); |
a3985cdc DM |
2985 | |
2986 | if (runtime) | |
410be5db | 2987 | (void) doeval(G_SCALAR, startop, runcv, PL_curcop->cop_seq); |
a3985cdc | 2988 | else |
410be5db | 2989 | (void) doeval(G_SCALAR, startop, PL_compcv, PL_cop_seqmax); |
13b51b79 | 2990 | POPBLOCK(cx,PL_curpm); |
e84b9f1f | 2991 | POPEVAL(cx); |
c277df42 IZ |
2992 | |
2993 | (*startop)->op_type = OP_NULL; | |
22c35a8c | 2994 | (*startop)->op_ppaddr = PL_ppaddr[OP_NULL]; |
c277df42 | 2995 | lex_end(); |
f3548bdc | 2996 | /* XXX DAPM do this properly one year */ |
502c6561 | 2997 | *padp = MUTABLE_AV(SvREFCNT_inc_simple(PL_comppad)); |
d343c3ef | 2998 | LEAVE_with_name("eval"); |
923e4eb5 | 2999 | if (IN_PERL_COMPILETIME) |
623e6609 | 3000 | CopHINTS_set(&PL_compiling, PL_hints); |
d1ca3daa | 3001 | #ifdef OP_IN_REGISTER |
6b88bc9c | 3002 | op = PL_opsave; |
d1ca3daa | 3003 | #endif |
9d4ba2ae AL |
3004 | PERL_UNUSED_VAR(newsp); |
3005 | PERL_UNUSED_VAR(optype); | |
3006 | ||
410be5db | 3007 | return PL_eval_start; |
c277df42 IZ |
3008 | } |
3009 | ||
a3985cdc DM |
3010 | |
3011 | /* | |
3012 | =for apidoc find_runcv | |
3013 | ||
3014 | Locate the CV corresponding to the currently executing sub or eval. | |
d819b83a DM |
3015 | If db_seqp is non_null, skip CVs that are in the DB package and populate |
3016 | *db_seqp with the cop sequence number at the point that the DB:: code was | |
3017 | entered. (allows debuggers to eval in the scope of the breakpoint rather | |
cf525c36 | 3018 | than in the scope of the debugger itself). |
a3985cdc DM |
3019 | |
3020 | =cut | |
3021 | */ | |
3022 | ||
3023 | CV* | |
d819b83a | 3024 | Perl_find_runcv(pTHX_ U32 *db_seqp) |
a3985cdc | 3025 | { |
97aff369 | 3026 | dVAR; |
a3985cdc | 3027 | PERL_SI *si; |
a3985cdc | 3028 | |
d819b83a DM |
3029 | if (db_seqp) |
3030 | *db_seqp = PL_curcop->cop_seq; | |
a3985cdc | 3031 | for (si = PL_curstackinfo; si; si = si->si_prev) { |
06b5626a | 3032 | I32 ix; |
a3985cdc | 3033 | for (ix = si->si_cxix; ix >= 0; ix--) { |
06b5626a | 3034 | const PERL_CONTEXT *cx = &(si->si_cxstack[ix]); |
d819b83a | 3035 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
1b6737cc | 3036 | CV * const cv = cx->blk_sub.cv; |
d819b83a DM |
3037 | /* skip DB:: code */ |
3038 | if (db_seqp && PL_debstash && CvSTASH(cv) == PL_debstash) { | |
3039 | *db_seqp = cx->blk_oldcop->cop_seq; | |
3040 | continue; | |
3041 | } | |
3042 | return cv; | |
3043 | } | |
a3985cdc DM |
3044 | else if (CxTYPE(cx) == CXt_EVAL && !CxTRYBLOCK(cx)) |
3045 | return PL_compcv; | |
3046 | } | |
3047 | } | |
3048 | return PL_main_cv; | |
3049 | } | |
3050 | ||
3051 | ||
27e90453 DM |
3052 | /* Run yyparse() in a setjmp wrapper. Returns: |
3053 | * 0: yyparse() successful | |
3054 | * 1: yyparse() failed | |
3055 | * 3: yyparse() died | |
3056 | */ | |
3057 | STATIC int | |
3058 | S_try_yyparse(pTHX) | |
3059 | { | |
3060 | int ret; | |
3061 | dJMPENV; | |
3062 | ||
3063 | assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_EVAL); | |
3064 | JMPENV_PUSH(ret); | |
3065 | switch (ret) { | |
3066 | case 0: | |
3067 | ret = yyparse() ? 1 : 0; | |
3068 | break; | |
3069 | case 3: | |
3070 | break; | |
3071 | default: | |
3072 | JMPENV_POP; | |
3073 | JMPENV_JUMP(ret); | |
3074 | /* NOTREACHED */ | |
3075 | } | |
3076 | JMPENV_POP; | |
3077 | return ret; | |
3078 | } | |
3079 | ||
3080 | ||
a3985cdc DM |
3081 | /* Compile a require/do, an eval '', or a /(?{...})/. |
3082 | * In the last case, startop is non-null, and contains the address of | |
3083 | * a pointer that should be set to the just-compiled code. | |
3084 | * outside is the lexically enclosing CV (if any) that invoked us. | |
410be5db DM |
3085 | * Returns a bool indicating whether the compile was successful; if so, |
3086 | * PL_eval_start contains the first op of the compiled ocde; otherwise, | |
3087 | * pushes undef (also croaks if startop != NULL). | |
a3985cdc DM |
3088 | */ |
3089 | ||
410be5db | 3090 | STATIC bool |
a3985cdc | 3091 | S_doeval(pTHX_ int gimme, OP** startop, CV* outside, U32 seq) |
a0d0e21e | 3092 | { |
27da23d5 | 3093 | dVAR; dSP; |
46c461b5 | 3094 | OP * const saveop = PL_op; |
27e90453 DM |
3095 | bool in_require = (saveop && saveop->op_type == OP_REQUIRE); |
3096 | int yystatus; | |
a0d0e21e | 3097 | |
27e90453 | 3098 | PL_in_eval = (in_require |
6dc8a9e4 IZ |
3099 | ? (EVAL_INREQUIRE | (PL_in_eval & EVAL_INEVAL)) |
3100 | : EVAL_INEVAL); | |
a0d0e21e | 3101 | |
1ce6579f | 3102 | PUSHMARK(SP); |
3103 | ||
3280af22 | 3104 | SAVESPTR(PL_compcv); |
ea726b52 | 3105 | PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
1aff0e91 | 3106 | CvEVAL_on(PL_compcv); |
2090ab20 JH |
3107 | assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_EVAL); |
3108 | cxstack[cxstack_ix].blk_eval.cv = PL_compcv; | |
3109 | ||
a3985cdc | 3110 | CvOUTSIDE_SEQ(PL_compcv) = seq; |
ea726b52 | 3111 | CvOUTSIDE(PL_compcv) = MUTABLE_CV(SvREFCNT_inc_simple(outside)); |
a3985cdc | 3112 | |
dd2155a4 | 3113 | /* set up a scratch pad */ |
a0d0e21e | 3114 | |
dd2155a4 | 3115 | CvPADLIST(PL_compcv) = pad_new(padnew_SAVE); |
cecbe010 | 3116 | PL_op = NULL; /* avoid PL_op and PL_curpad referring to different CVs */ |
2c05e328 | 3117 | |
07055b4c | 3118 | |
81d86705 NC |
3119 | if (!PL_madskills) |
3120 | SAVEMORTALIZESV(PL_compcv); /* must remain until end of current statement */ | |
748a9306 | 3121 | |
a0d0e21e LW |
3122 | /* make sure we compile in the right package */ |
3123 | ||
ed094faf | 3124 | if (CopSTASH_ne(PL_curcop, PL_curstash)) { |
3280af22 | 3125 | SAVESPTR(PL_curstash); |
ed094faf | 3126 | PL_curstash = CopSTASH(PL_curcop); |
a0d0e21e | 3127 | } |
3c10abe3 | 3128 | /* XXX:ajgo do we really need to alloc an AV for begin/checkunit */ |
3280af22 NIS |
3129 | SAVESPTR(PL_beginav); |
3130 | PL_beginav = newAV(); | |
3131 | SAVEFREESV(PL_beginav); | |
3c10abe3 AG |
3132 | SAVESPTR(PL_unitcheckav); |
3133 | PL_unitcheckav = newAV(); | |
3134 | SAVEFREESV(PL_unitcheckav); | |
a0d0e21e | 3135 | |
81d86705 | 3136 | #ifdef PERL_MAD |
9da243ce | 3137 | SAVEBOOL(PL_madskills); |
81d86705 NC |
3138 | PL_madskills = 0; |
3139 | #endif | |
3140 | ||
a0d0e21e LW |
3141 | /* try to compile it */ |
3142 | ||
5f66b61c | 3143 | PL_eval_root = NULL; |
3280af22 | 3144 | PL_curcop = &PL_compiling; |
fc15ae8f | 3145 | CopARYBASE_set(PL_curcop, 0); |
5f66b61c | 3146 | if (saveop && (saveop->op_type != OP_REQUIRE) && (saveop->op_flags & OPf_SPECIAL)) |
faef0170 | 3147 | PL_in_eval |= EVAL_KEEPERR; |
ab69dbc2 RGS |
3148 | else |
3149 | CLEAR_ERRSV(); | |
27e90453 DM |
3150 | |
3151 | /* note that yyparse() may raise an exception, e.g. C<BEGIN{die}>, | |
3152 | * so honour CATCH_GET and trap it here if necessary */ | |
3153 | ||
3154 | yystatus = (!in_require && CATCH_GET) ? S_try_yyparse(aTHX) : yyparse(); | |
3155 | ||
3156 | if (yystatus || PL_parser->error_count || !PL_eval_root) { | |
0c58d367 | 3157 | SV **newsp; /* Used by POPBLOCK. */ |
b6494f15 | 3158 | PERL_CONTEXT *cx = NULL; |
27e90453 | 3159 | I32 optype; /* Used by POPEVAL. */ |
b6494f15 | 3160 | SV *namesv = NULL; |
9d4ba2ae | 3161 | const char *msg; |
bfed75c6 | 3162 | |
27e90453 DM |
3163 | PERL_UNUSED_VAR(newsp); |
3164 | PERL_UNUSED_VAR(optype); | |
3165 | ||
533c011a | 3166 | PL_op = saveop; |
3280af22 NIS |
3167 | if (PL_eval_root) { |
3168 | op_free(PL_eval_root); | |
5f66b61c | 3169 | PL_eval_root = NULL; |
a0d0e21e | 3170 | } |
27e90453 DM |
3171 | if (yystatus != 3) { |
3172 | SP = PL_stack_base + POPMARK; /* pop original mark */ | |
3173 | if (!startop) { | |
3174 | POPBLOCK(cx,PL_curpm); | |
3175 | POPEVAL(cx); | |
b6494f15 | 3176 | namesv = cx->blk_eval.old_namesv; |
27e90453 | 3177 | } |
c277df42 | 3178 | } |
a0d0e21e | 3179 | lex_end(); |
27e90453 DM |
3180 | if (yystatus != 3) |
3181 | LEAVE_with_name("eval"); /* pp_entereval knows about this LEAVE. */ | |
9d4ba2ae AL |
3182 | |
3183 | msg = SvPVx_nolen_const(ERRSV); | |
27e90453 | 3184 | if (in_require) { |
b6494f15 VP |
3185 | if (!cx) { |
3186 | /* If cx is still NULL, it means that we didn't go in the | |
3187 | * POPEVAL branch. */ | |
3188 | cx = &cxstack[cxstack_ix]; | |
3189 | assert(CxTYPE(cx) == CXt_EVAL); | |
3190 | namesv = cx->blk_eval.old_namesv; | |
3191 | } | |
3192 | (void)hv_store(GvHVn(PL_incgv), | |
3193 | SvPVX_const(namesv), SvCUR(namesv), | |
3194 | &PL_sv_undef, 0); | |
58d3fd3b SH |
3195 | Perl_croak(aTHX_ "%sCompilation failed in require", |
3196 | *msg ? msg : "Unknown error\n"); | |
5a844595 GS |
3197 | } |
3198 | else if (startop) { | |
27e90453 DM |
3199 | if (yystatus != 3) { |
3200 | POPBLOCK(cx,PL_curpm); | |
3201 | POPEVAL(cx); | |
3202 | } | |
5a844595 GS |
3203 | Perl_croak(aTHX_ "%sCompilation failed in regexp", |
3204 | (*msg ? msg : "Unknown error\n")); | |
7a2e2cd6 | 3205 | } |
9d7f88dd | 3206 | else { |
9d7f88dd | 3207 | if (!*msg) { |
6502358f | 3208 | sv_setpvs(ERRSV, "Compilation error"); |
9d7f88dd SR |
3209 | } |
3210 | } | |
410be5db DM |
3211 | PUSHs(&PL_sv_undef); |
3212 | PUTBACK; | |
3213 | return FALSE; | |
a0d0e21e | 3214 | } |
57843af0 | 3215 | CopLINE_set(&PL_compiling, 0); |
c277df42 | 3216 | if (startop) { |
3280af22 | 3217 | *startop = PL_eval_root; |
c277df42 | 3218 | } else |
3280af22 | 3219 | SAVEFREEOP(PL_eval_root); |
0c58d367 RGS |
3220 | |
3221 | /* Set the context for this new optree. | |
021f53de GG |
3222 | * Propagate the context from the eval(). */ |
3223 | if ((gimme & G_WANT) == G_VOID) | |
3280af22 | 3224 | scalarvoid(PL_eval_root); |
7df0357e | 3225 | else if ((gimme & G_WANT) == G_ARRAY) |
3280af22 | 3226 | list(PL_eval_root); |
a0d0e21e | 3227 | else |
3280af22 | 3228 | scalar(PL_eval_root); |
a0d0e21e LW |
3229 | |
3230 | DEBUG_x(dump_eval()); | |
3231 | ||
55497cff | 3232 | /* Register with debugger: */ |
6482a30d | 3233 | if (PERLDB_INTER && saveop && saveop->op_type == OP_REQUIRE) { |
b96d8cd9 | 3234 | CV * const cv = get_cvs("DB::postponed", 0); |
55497cff | 3235 | if (cv) { |
3236 | dSP; | |
924508f0 | 3237 | PUSHMARK(SP); |
ad64d0ec | 3238 | XPUSHs(MUTABLE_SV(CopFILEGV(&PL_compiling))); |
55497cff | 3239 | PUTBACK; |
ad64d0ec | 3240 | call_sv(MUTABLE_SV(cv), G_DISCARD); |
55497cff | 3241 | } |
3242 | } | |
3243 | ||
3c10abe3 AG |
3244 | if (PL_unitcheckav) |
3245 | call_list(PL_scopestack_ix, PL_unitcheckav); | |
3246 | ||
a0d0e21e LW |
3247 | /* compiled okay, so do it */ |
3248 | ||
3280af22 NIS |
3249 | CvDEPTH(PL_compcv) = 1; |
3250 | SP = PL_stack_base + POPMARK; /* pop original mark */ | |
533c011a | 3251 | PL_op = saveop; /* The caller may need it. */ |
bc177e6b | 3252 | PL_parser->lex_state = LEX_NOTPARSING; /* $^S needs this. */ |
5dc0d613 | 3253 | |
410be5db DM |
3254 | PUTBACK; |
3255 | return TRUE; | |
a0d0e21e LW |
3256 | } |
3257 | ||
a6c40364 | 3258 | STATIC PerlIO * |
0786552a | 3259 | S_check_type_and_open(pTHX_ const char *name) |
ce8abf5f SP |
3260 | { |
3261 | Stat_t st; | |
c445ea15 | 3262 | const int st_rc = PerlLIO_stat(name, &st); |
df528165 | 3263 | |
7918f24d NC |
3264 | PERL_ARGS_ASSERT_CHECK_TYPE_AND_OPEN; |
3265 | ||
6b845e56 | 3266 | if (st_rc < 0 || S_ISDIR(st.st_mode) || S_ISBLK(st.st_mode)) { |
4608196e | 3267 | return NULL; |
ce8abf5f SP |
3268 | } |
3269 | ||
0786552a | 3270 | return PerlIO_open(name, PERL_SCRIPT_MODE); |
ce8abf5f SP |
3271 | } |
3272 | ||
75c20bac | 3273 | #ifndef PERL_DISABLE_PMC |
ce8abf5f | 3274 | STATIC PerlIO * |
0786552a | 3275 | S_doopen_pm(pTHX_ const char *name, const STRLEN namelen) |
b295d113 | 3276 | { |
b295d113 TH |
3277 | PerlIO *fp; |
3278 | ||
7918f24d NC |
3279 | PERL_ARGS_ASSERT_DOOPEN_PM; |
3280 | ||
ce9440c8 | 3281 | if (namelen > 3 && memEQs(name + namelen - 3, 3, ".pm")) { |
50b8ed39 NC |
3282 | SV *const pmcsv = newSV(namelen + 2); |
3283 | char *const pmc = SvPVX(pmcsv); | |
a6c40364 | 3284 | Stat_t pmcstat; |
50b8ed39 NC |
3285 | |
3286 | memcpy(pmc, name, namelen); | |
3287 | pmc[namelen] = 'c'; | |
3288 | pmc[namelen + 1] = '\0'; | |
3289 | ||
a6c40364 | 3290 | if (PerlLIO_stat(pmc, &pmcstat) < 0) { |
0786552a | 3291 | fp = check_type_and_open(name); |
a6c40364 GS |
3292 | } |
3293 | else { | |
0786552a | 3294 | fp = check_type_and_open(pmc); |
b295d113 | 3295 | } |
a6c40364 GS |
3296 | SvREFCNT_dec(pmcsv); |
3297 | } | |
3298 | else { | |
0786552a | 3299 | fp = check_type_and_open(name); |
b295d113 | 3300 | } |
b295d113 | 3301 | return fp; |
75c20bac | 3302 | } |
7925835c | 3303 | #else |
75c20bac | 3304 | # define doopen_pm(name, namelen) check_type_and_open(name) |
7925835c | 3305 | #endif /* !PERL_DISABLE_PMC */ |
b295d113 | 3306 | |
a0d0e21e LW |
3307 | PP(pp_require) |
3308 | { | |
27da23d5 | 3309 | dVAR; dSP; |
c09156bb | 3310 | register PERL_CONTEXT *cx; |
a0d0e21e | 3311 | SV *sv; |
5c144d81 | 3312 | const char *name; |
6132ea6c | 3313 | STRLEN len; |
4492be7a JM |
3314 | char * unixname; |
3315 | STRLEN unixlen; | |
62f5ad7a | 3316 | #ifdef VMS |
4492be7a | 3317 | int vms_unixname = 0; |
62f5ad7a | 3318 | #endif |
c445ea15 AL |
3319 | const char *tryname = NULL; |
3320 | SV *namesv = NULL; | |
f54cb97a | 3321 | const I32 gimme = GIMME_V; |
bbed91b5 | 3322 | int filter_has_file = 0; |
c445ea15 | 3323 | PerlIO *tryrsfp = NULL; |
34113e50 | 3324 | SV *filter_cache = NULL; |
c445ea15 AL |
3325 | SV *filter_state = NULL; |
3326 | SV *filter_sub = NULL; | |
3327 | SV *hook_sv = NULL; | |
6ec9efec JH |
3328 | SV *encoding; |
3329 | OP *op; | |
a0d0e21e LW |
3330 | |
3331 | sv = POPs; | |
d7aa5382 | 3332 | if ( (SvNIOKp(sv) || SvVOK(sv)) && PL_op->op_type != OP_DOFILE) { |
d7aa5382 JP |
3333 | sv = new_version(sv); |
3334 | if (!sv_derived_from(PL_patchlevel, "version")) | |
ac0e6a2f | 3335 | upg_version(PL_patchlevel, TRUE); |
149c1637 | 3336 | if (cUNOP->op_first->op_type == OP_CONST && cUNOP->op_first->op_private & OPpCONST_NOVER) { |
3cacfbb9 | 3337 | if ( vcmp(sv,PL_patchlevel) <= 0 ) |
468aa647 | 3338 | DIE(aTHX_ "Perls since %"SVf" too modern--this is %"SVf", stopped", |
be2597df | 3339 | SVfARG(vnormal(sv)), SVfARG(vnormal(PL_patchlevel))); |
468aa647 RGS |
3340 | } |
3341 | else { | |
d1029faa JP |
3342 | if ( vcmp(sv,PL_patchlevel) > 0 ) { |
3343 | I32 first = 0; | |
3344 | AV *lav; | |
3345 | SV * const req = SvRV(sv); | |
85fbaab2 | 3346 | SV * const pv = *hv_fetchs(MUTABLE_HV(req), "original", FALSE); |
d1029faa JP |
3347 | |
3348 | /* get the left hand term */ | |
502c6561 | 3349 | lav = MUTABLE_AV(SvRV(*hv_fetchs(MUTABLE_HV(req), "version", FALSE))); |
d1029faa JP |
3350 | |
3351 | first = SvIV(*av_fetch(lav,0,0)); | |
3352 | if ( first > (int)PERL_REVISION /* probably 'use 6.0' */ | |
85fbaab2 | 3353 | || hv_exists(MUTABLE_HV(req), "qv", 2 ) /* qv style */ |
d1029faa JP |
3354 | || av_len(lav) > 1 /* FP with > 3 digits */ |
3355 | || strstr(SvPVX(pv),".0") /* FP with leading 0 */ | |
3356 | ) { | |
3357 | DIE(aTHX_ "Perl %"SVf" required--this is only " | |
3358 | "%"SVf", stopped", SVfARG(vnormal(req)), | |
3359 | SVfARG(vnormal(PL_patchlevel))); | |
3360 | } | |
3361 | else { /* probably 'use 5.10' or 'use 5.8' */ | |
af61dbfd | 3362 | SV *hintsv; |
d1029faa JP |
3363 | I32 second = 0; |
3364 | ||
3365 | if (av_len(lav)>=1) | |
3366 | second = SvIV(*av_fetch(lav,1,0)); | |
3367 | ||
3368 | second /= second >= 600 ? 100 : 10; | |
af61dbfd NC |
3369 | hintsv = Perl_newSVpvf(aTHX_ "v%d.%d.0", |
3370 | (int)first, (int)second); | |
d1029faa JP |
3371 | upg_version(hintsv, TRUE); |
3372 | ||
3373 | DIE(aTHX_ "Perl %"SVf" required (did you mean %"SVf"?)" | |
3374 | "--this is only %"SVf", stopped", | |
3375 | SVfARG(vnormal(req)), | |
af61dbfd | 3376 | SVfARG(vnormal(sv_2mortal(hintsv))), |
d1029faa JP |
3377 | SVfARG(vnormal(PL_patchlevel))); |
3378 | } | |
3379 | } | |
468aa647 | 3380 | } |
d7aa5382 | 3381 | |
fbc891ce RB |
3382 | /* We do this only with use, not require. */ |
3383 | if (PL_compcv && | |
fbc891ce RB |
3384 | /* If we request a version >= 5.9.5, load feature.pm with the |
3385 | * feature bundle that corresponds to the required version. */ | |
2e8342de | 3386 | vcmp(sv, sv_2mortal(upg_version(newSVnv(5.009005), FALSE))) >= 0) { |
7dfde25d RGS |
3387 | SV *const importsv = vnormal(sv); |
3388 | *SvPVX_mutable(importsv) = ':'; | |
d343c3ef | 3389 | ENTER_with_name("load_feature"); |
7dfde25d | 3390 | Perl_load_module(aTHX_ 0, newSVpvs("feature"), NULL, importsv, NULL); |
d343c3ef | 3391 | LEAVE_with_name("load_feature"); |
7dfde25d | 3392 | } |
53eb19dd S |
3393 | /* If a version >= 5.11.0 is requested, strictures are on by default! */ |
3394 | if (PL_compcv && | |
3395 | vcmp(sv, sv_2mortal(upg_version(newSVnv(5.011000), FALSE))) >= 0) { | |
5cc917d6 | 3396 | PL_hints |= (HINT_STRICT_REFS | HINT_STRICT_SUBS | HINT_STRICT_VARS); |
53eb19dd S |
3397 | } |
3398 | ||
7dfde25d | 3399 | RETPUSHYES; |
a0d0e21e | 3400 | } |
5c144d81 | 3401 | name = SvPV_const(sv, len); |
6132ea6c | 3402 | if (!(name && len > 0 && *name)) |
cea2e8a9 | 3403 | DIE(aTHX_ "Null filename used"); |
4633a7c4 | 3404 | TAINT_PROPER("require"); |
4492be7a JM |
3405 | |
3406 | ||
3407 | #ifdef VMS | |
3408 | /* The key in the %ENV hash is in the syntax of file passed as the argument | |
3409 | * usually this is in UNIX format, but sometimes in VMS format, which | |
3410 | * can result in a module being pulled in more than once. | |
3411 | * To prevent this, the key must be stored in UNIX format if the VMS | |
3412 | * name can be translated to UNIX. | |
3413 | */ | |
3414 | if ((unixname = tounixspec(name, NULL)) != NULL) { | |
3415 | unixlen = strlen(unixname); | |
3416 | vms_unixname = 1; | |
3417 | } | |
3418 | else | |
3419 | #endif | |
3420 | { | |
3421 | /* if not VMS or VMS name can not be translated to UNIX, pass it | |
3422 | * through. | |
3423 | */ | |
3424 | unixname = (char *) name; | |
3425 | unixlen = len; | |
3426 | } | |
44f8325f | 3427 | if (PL_op->op_type == OP_REQUIRE) { |
4492be7a JM |
3428 | SV * const * const svp = hv_fetch(GvHVn(PL_incgv), |
3429 | unixname, unixlen, 0); | |
44f8325f AL |
3430 | if ( svp ) { |
3431 | if (*svp != &PL_sv_undef) | |
3432 | RETPUSHYES; | |
3433 | else | |
087b5369 RD |
3434 | DIE(aTHX_ "Attempt to reload %s aborted.\n" |
3435 | "Compilation failed in require", unixname); | |
44f8325f | 3436 | } |
4d8b06f1 | 3437 | } |
a0d0e21e LW |
3438 | |
3439 | /* prepare to compile file */ | |
3440 | ||
be4b629d | 3441 | if (path_is_absolute(name)) { |
46fc3d4c | 3442 | tryname = name; |
0786552a | 3443 | tryrsfp = doopen_pm(name, len); |
bf4acbe4 | 3444 | } |
be4b629d | 3445 | if (!tryrsfp) { |
44f8325f | 3446 | AV * const ar = GvAVn(PL_incgv); |
a0d0e21e | 3447 | I32 i; |
748a9306 | 3448 | #ifdef VMS |
4492be7a | 3449 | if (vms_unixname) |
46fc3d4c | 3450 | #endif |
3451 | { | |
d0328fd7 | 3452 | namesv = newSV_type(SVt_PV); |
46fc3d4c | 3453 | for (i = 0; i <= AvFILL(ar); i++) { |
df528165 | 3454 | SV * const dirsv = *av_fetch(ar, i, TRUE); |
bbed91b5 | 3455 | |
ad64d0ec | 3456 | if (SvTIED_mg((const SV *)ar, PERL_MAGIC_tied)) |
c38a6530 | 3457 | mg_get(dirsv); |
bbed91b5 KF |
3458 | if (SvROK(dirsv)) { |
3459 | int count; | |
a3b58a99 | 3460 | SV **svp; |
bbed91b5 KF |
3461 | SV *loader = dirsv; |
3462 | ||
e14e2dc8 NC |
3463 | if (SvTYPE(SvRV(loader)) == SVt_PVAV |
3464 | && !sv_isobject(loader)) | |
3465 | { | |
502c6561 | 3466 | loader = *av_fetch(MUTABLE_AV(SvRV(loader)), 0, TRUE); |
bbed91b5 KF |
3467 | } |
3468 | ||
b900a521 | 3469 | Perl_sv_setpvf(aTHX_ namesv, "/loader/0x%"UVxf"/%s", |
44f0be63 | 3470 | PTR2UV(SvRV(dirsv)), name); |
349d4f2f | 3471 | tryname = SvPVX_const(namesv); |
c445ea15 | 3472 | tryrsfp = NULL; |
bbed91b5 | 3473 | |
d343c3ef | 3474 | ENTER_with_name("call_INC"); |
bbed91b5 KF |
3475 | SAVETMPS; |
3476 | EXTEND(SP, 2); | |
3477 | ||
3478 | PUSHMARK(SP); | |
3479 | PUSHs(dirsv); | |
3480 | PUSHs(sv); | |
3481 | PUTBACK; | |
e982885c NC |
3482 | if (sv_isobject(loader)) |
3483 | count = call_method("INC", G_ARRAY); | |
3484 | else | |
3485 | count = call_sv(loader, G_ARRAY); | |
bbed91b5 KF |
3486 | SPAGAIN; |
3487 | ||
a3b58a99 RGS |
3488 | /* Adjust file name if the hook has set an %INC entry */ |
3489 | svp = hv_fetch(GvHVn(PL_incgv), name, len, 0); | |
3490 | if (svp) | |
d8723a6a | 3491 | tryname = SvPV_nolen_const(*svp); |
a3b58a99 | 3492 | |
bbed91b5 KF |
3493 | if (count > 0) { |
3494 | int i = 0; | |
3495 | SV *arg; | |
3496 | ||
3497 | SP -= count - 1; | |
3498 | arg = SP[i++]; | |
3499 | ||
34113e50 NC |
3500 | if (SvROK(arg) && (SvTYPE(SvRV(arg)) <= SVt_PVLV) |
3501 | && !isGV_with_GP(SvRV(arg))) { | |
3502 | filter_cache = SvRV(arg); | |
74c765eb | 3503 | SvREFCNT_inc_simple_void_NN(filter_cache); |
34113e50 NC |
3504 | |
3505 | if (i < count) { | |
3506 | arg = SP[i++]; | |
3507 | } | |
3508 | } | |
3509 | ||
6e592b3a | 3510 | if (SvROK(arg) && isGV_with_GP(SvRV(arg))) { |
bbed91b5 KF |
3511 | arg = SvRV(arg); |
3512 | } | |
3513 | ||
6e592b3a | 3514 | if (isGV_with_GP(arg)) { |
159b6efe | 3515 | IO * const io = GvIO((const GV *)arg); |
bbed91b5 KF |
3516 | |
3517 | ++filter_has_file; | |
3518 | ||
3519 | if (io) { | |
3520 | tryrsfp = IoIFP(io); | |
0f7de14d NC |
3521 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { |
3522 | PerlIO_close(IoOFP(io)); | |
bbed91b5 | 3523 | } |
0f7de14d NC |
3524 | IoIFP(io) = NULL; |
3525 | IoOFP(io) = NULL; | |
bbed91b5 KF |
3526 | } |
3527 | ||
3528 | if (i < count) { | |
3529 | arg = SP[i++]; | |
3530 | } | |
3531 | } | |
3532 | ||
3533 | if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVCV) { | |
3534 | filter_sub = arg; | |
74c765eb | 3535 | SvREFCNT_inc_simple_void_NN(filter_sub); |
bbed91b5 KF |
3536 | |
3537 | if (i < count) { | |
3538 | filter_state = SP[i]; | |
b37c2d43 | 3539 | SvREFCNT_inc_simple_void(filter_state); |
bbed91b5 | 3540 | } |
34113e50 | 3541 | } |
bbed91b5 | 3542 | |
34113e50 NC |
3543 | if (!tryrsfp && (filter_cache || filter_sub)) { |
3544 | tryrsfp = PerlIO_open(BIT_BUCKET, | |
3545 | PERL_SCRIPT_MODE); | |
bbed91b5 | 3546 | } |
1d06aecd | 3547 | SP--; |
bbed91b5 KF |
3548 | } |
3549 | ||
3550 | PUTBACK; | |
3551 | FREETMPS; | |
d343c3ef | 3552 | LEAVE_with_name("call_INC"); |
bbed91b5 KF |
3553 | |
3554 | if (tryrsfp) { | |
89ccab8c | 3555 | hook_sv = dirsv; |
bbed91b5 KF |
3556 | break; |
3557 | } | |
3558 | ||
3559 | filter_has_file = 0; | |
34113e50 NC |
3560 | if (filter_cache) { |
3561 | SvREFCNT_dec(filter_cache); | |
3562 | filter_cache = NULL; | |
3563 | } | |
bbed91b5 KF |
3564 | if (filter_state) { |
3565 | SvREFCNT_dec(filter_state); | |
c445ea15 | 3566 | filter_state = NULL; |
bbed91b5 KF |
3567 | } |
3568 | if (filter_sub) { | |
3569 | SvREFCNT_dec(filter_sub); | |
c445ea15 | 3570 | filter_sub = NULL; |
bbed91b5 KF |
3571 | } |
3572 | } | |
3573 | else { | |
be4b629d | 3574 | if (!path_is_absolute(name) |
be4b629d | 3575 | ) { |
b640a14a NC |
3576 | const char *dir; |
3577 | STRLEN dirlen; | |
3578 | ||
3579 | if (SvOK(dirsv)) { | |
3580 | dir = SvPV_const(dirsv, dirlen); | |
3581 | } else { | |
3582 | dir = ""; | |
3583 | dirlen = 0; | |
3584 | } | |
3585 | ||
e37778c2 | 3586 | #ifdef VMS |
bbed91b5 | 3587 | char *unixdir; |
c445ea15 | 3588 | if ((unixdir = tounixpath(dir, NULL)) == NULL) |
bbed91b5 KF |
3589 | continue; |
3590 | sv_setpv(namesv, unixdir); | |
3591 | sv_catpv(namesv, unixname); | |
e37778c2 NC |
3592 | #else |
3593 | # ifdef __SYMBIAN32__ | |
27da23d5 JH |
3594 | if (PL_origfilename[0] && |
3595 | PL_origfilename[1] == ':' && | |
3596 | !(dir[0] && dir[1] == ':')) | |
3597 | Perl_sv_setpvf(aTHX_ namesv, | |
3598 | "%c:%s\\%s", | |
3599 | PL_origfilename[0], | |
3600 | dir, name); | |
3601 | else | |
3602 | Perl_sv_setpvf(aTHX_ namesv, | |
3603 | "%s\\%s", | |
3604 | dir, name); | |
e37778c2 | 3605 | # else |
b640a14a NC |
3606 | /* The equivalent of |
3607 | Perl_sv_setpvf(aTHX_ namesv, "%s/%s", dir, name); | |
3608 | but without the need to parse the format string, or | |
3609 | call strlen on either pointer, and with the correct | |
3610 | allocation up front. */ | |
3611 | { | |
3612 | char *tmp = SvGROW(namesv, dirlen + len + 2); | |
3613 | ||
3614 | memcpy(tmp, dir, dirlen); | |
3615 | tmp +=dirlen; | |
3616 | *tmp++ = '/'; | |
3617 | /* name came from an SV, so it will have a '\0' at the | |
3618 | end that we can copy as part of this memcpy(). */ | |
3619 | memcpy(tmp, name, len + 1); | |
3620 | ||
3621 | SvCUR_set(namesv, dirlen + len + 1); | |
3622 | ||
3623 | /* Don't even actually have to turn SvPOK_on() as we | |
3624 | access it directly with SvPVX() below. */ | |
3625 | } | |
27da23d5 | 3626 | # endif |
bf4acbe4 | 3627 | #endif |
bbed91b5 | 3628 | TAINT_PROPER("require"); |
349d4f2f | 3629 | tryname = SvPVX_const(namesv); |
0786552a | 3630 | tryrsfp = doopen_pm(tryname, SvCUR(namesv)); |
bbed91b5 | 3631 | if (tryrsfp) { |
e63be746 RGS |
3632 | if (tryname[0] == '.' && tryname[1] == '/') { |
3633 | ++tryname; | |
3634 | while (*++tryname == '/'); | |
3635 | } | |
bbed91b5 KF |
3636 | break; |
3637 | } | |
ff806af2 DM |
3638 | else if (errno == EMFILE) |
3639 | /* no point in trying other paths if out of handles */ | |
3640 | break; | |
be4b629d | 3641 | } |
46fc3d4c | 3642 | } |
a0d0e21e LW |
3643 | } |
3644 | } | |
3645 | } | |
f4dd75d9 | 3646 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 3647 | CopFILE_set(&PL_compiling, tryrsfp ? tryname : name); |
46fc3d4c | 3648 | SvREFCNT_dec(namesv); |
a0d0e21e | 3649 | if (!tryrsfp) { |
533c011a | 3650 | if (PL_op->op_type == OP_REQUIRE) { |
5c144d81 | 3651 | const char *msgstr = name; |
e31de809 | 3652 | if(errno == EMFILE) { |
b9b739dc NC |
3653 | SV * const msg |
3654 | = sv_2mortal(Perl_newSVpvf(aTHX_ "%s: %s", msgstr, | |
3655 | Strerror(errno))); | |
349d4f2f | 3656 | msgstr = SvPV_nolen_const(msg); |
e31de809 SP |
3657 | } else { |
3658 | if (namesv) { /* did we lookup @INC? */ | |
44f8325f | 3659 | AV * const ar = GvAVn(PL_incgv); |
e31de809 | 3660 | I32 i; |
b8f04b1b NC |
3661 | SV * const msg = sv_2mortal(Perl_newSVpvf(aTHX_ |
3662 | "%s in @INC%s%s (@INC contains:", | |
3663 | msgstr, | |
3664 | (instr(msgstr, ".h ") | |
3665 | ? " (change .h to .ph maybe?)" : ""), | |
3666 | (instr(msgstr, ".ph ") | |
3667 | ? " (did you run h2ph?)" : "") | |
3668 | )); | |
3669 | ||
e31de809 | 3670 | for (i = 0; i <= AvFILL(ar); i++) { |
396482e1 | 3671 | sv_catpvs(msg, " "); |
b8f04b1b | 3672 | sv_catsv(msg, *av_fetch(ar, i, TRUE)); |
e31de809 | 3673 | } |
396482e1 | 3674 | sv_catpvs(msg, ")"); |
e31de809 SP |
3675 | msgstr = SvPV_nolen_const(msg); |
3676 | } | |
2683423c | 3677 | } |
ea071790 | 3678 | DIE(aTHX_ "Can't locate %s", msgstr); |
a0d0e21e LW |
3679 | } |
3680 | ||
3681 | RETPUSHUNDEF; | |
3682 | } | |
d8bfb8bd | 3683 | else |
93189314 | 3684 | SETERRNO(0, SS_NORMAL); |
a0d0e21e LW |
3685 | |
3686 | /* Assume success here to prevent recursive requirement. */ | |
238d24b4 | 3687 | /* name is never assigned to again, so len is still strlen(name) */ |
d3a4e64e | 3688 | /* Check whether a hook in @INC has already filled %INC */ |
44f8325f | 3689 | if (!hook_sv) { |
4492be7a JM |
3690 | (void)hv_store(GvHVn(PL_incgv), |
3691 | unixname, unixlen, newSVpv(CopFILE(&PL_compiling),0),0); | |
44f8325f | 3692 | } else { |
4492be7a | 3693 | SV** const svp = hv_fetch(GvHVn(PL_incgv), unixname, unixlen, 0); |
44f8325f | 3694 | if (!svp) |
4492be7a JM |
3695 | (void)hv_store(GvHVn(PL_incgv), |
3696 | unixname, unixlen, SvREFCNT_inc_simple(hook_sv), 0 ); | |
d3a4e64e | 3697 | } |
a0d0e21e | 3698 | |
d343c3ef | 3699 | ENTER_with_name("eval"); |
a0d0e21e | 3700 | SAVETMPS; |
5486870f | 3701 | lex_start(NULL, tryrsfp, TRUE); |
e50aee73 | 3702 | |
b3ac6de7 | 3703 | SAVEHINTS(); |
3280af22 | 3704 | PL_hints = 0; |
f747ebd6 | 3705 | hv_clear(GvHV(PL_hintgv)); |
27eaf14c | 3706 | |
68da3b2f | 3707 | SAVECOMPILEWARNINGS(); |
0453d815 | 3708 | if (PL_dowarn & G_WARN_ALL_ON) |
d3a7d8c7 | 3709 | PL_compiling.cop_warnings = pWARN_ALL ; |
0453d815 | 3710 | else if (PL_dowarn & G_WARN_ALL_OFF) |
d3a7d8c7 | 3711 | PL_compiling.cop_warnings = pWARN_NONE ; |
ac27b0f5 | 3712 | else |
d3a7d8c7 | 3713 | PL_compiling.cop_warnings = pWARN_STD ; |
a0d0e21e | 3714 | |
34113e50 | 3715 | if (filter_sub || filter_cache) { |
4464f08e NC |
3716 | /* We can use the SvPV of the filter PVIO itself as our cache, rather |
3717 | than hanging another SV from it. In turn, filter_add() optionally | |
3718 | takes the SV to use as the filter (or creates a new SV if passed | |
3719 | NULL), so simply pass in whatever value filter_cache has. */ | |
3720 | SV * const datasv = filter_add(S_run_user_filter, filter_cache); | |
bbed91b5 | 3721 | IoLINES(datasv) = filter_has_file; |
159b6efe NC |
3722 | IoTOP_GV(datasv) = MUTABLE_GV(filter_state); |
3723 | IoBOTTOM_GV(datasv) = MUTABLE_GV(filter_sub); | |
bbed91b5 KF |
3724 | } |
3725 | ||
3726 | /* switch to eval mode */ | |
a0d0e21e | 3727 | PUSHBLOCK(cx, CXt_EVAL, SP); |
6b75f042 | 3728 | PUSHEVAL(cx, name); |
f39bc417 | 3729 | cx->blk_eval.retop = PL_op->op_next; |
a0d0e21e | 3730 | |
57843af0 GS |
3731 | SAVECOPLINE(&PL_compiling); |
3732 | CopLINE_set(&PL_compiling, 0); | |
a0d0e21e LW |
3733 | |
3734 | PUTBACK; | |
6ec9efec JH |
3735 | |
3736 | /* Store and reset encoding. */ | |
3737 | encoding = PL_encoding; | |
c445ea15 | 3738 | PL_encoding = NULL; |
6ec9efec | 3739 | |
410be5db DM |
3740 | if (doeval(gimme, NULL, NULL, PL_curcop->cop_seq)) |
3741 | op = DOCATCH(PL_eval_start); | |
3742 | else | |
3743 | op = PL_op->op_next; | |
bfed75c6 | 3744 | |
6ec9efec JH |
3745 | /* Restore encoding. */ |
3746 | PL_encoding = encoding; | |
3747 | ||
3748 | return op; | |
a0d0e21e LW |
3749 | } |
3750 | ||
996c9baa VP |
3751 | /* This is a op added to hold the hints hash for |
3752 | pp_entereval. The hash can be modified by the code | |
3753 | being eval'ed, so we return a copy instead. */ | |
3754 | ||
3755 | PP(pp_hintseval) | |
3756 | { | |
3757 | dVAR; | |
3758 | dSP; | |
ad64d0ec | 3759 | mXPUSHs(MUTABLE_SV(Perl_hv_copy_hints_hv(aTHX_ MUTABLE_HV(cSVOP_sv)))); |
996c9baa VP |
3760 | RETURN; |
3761 | } | |
3762 | ||
3763 | ||
a0d0e21e LW |
3764 | PP(pp_entereval) |
3765 | { | |
27da23d5 | 3766 | dVAR; dSP; |
c09156bb | 3767 | register PERL_CONTEXT *cx; |
0d863452 | 3768 | SV *sv; |
890ce7af | 3769 | const I32 gimme = GIMME_V; |
fd06b02c | 3770 | const U32 was = PL_breakable_sub_gen; |
83ee9e09 GS |
3771 | char tbuf[TYPE_DIGITS(long) + 12]; |
3772 | char *tmpbuf = tbuf; | |
a0d0e21e | 3773 | STRLEN len; |
a3985cdc | 3774 | CV* runcv; |
d819b83a | 3775 | U32 seq; |
c445ea15 | 3776 | HV *saved_hh = NULL; |
e389bba9 | 3777 | |
0d863452 | 3778 | if (PL_op->op_private & OPpEVAL_HAS_HH) { |
85fbaab2 | 3779 | saved_hh = MUTABLE_HV(SvREFCNT_inc(POPs)); |
0d863452 RH |
3780 | } |
3781 | sv = POPs; | |
a0d0e21e | 3782 | |
af2d3def | 3783 | TAINT_IF(SvTAINTED(sv)); |
748a9306 | 3784 | TAINT_PROPER("eval"); |
a0d0e21e | 3785 | |
d343c3ef | 3786 | ENTER_with_name("eval"); |
5486870f | 3787 | lex_start(sv, NULL, FALSE); |
748a9306 | 3788 | SAVETMPS; |
ac27b0f5 | 3789 | |
a0d0e21e LW |
3790 | /* switch to eval mode */ |
3791 | ||
83ee9e09 | 3792 | if (PERLDB_NAMEEVAL && CopLINE(PL_curcop)) { |
8b38226b AL |
3793 | SV * const temp_sv = sv_newmortal(); |
3794 | Perl_sv_setpvf(aTHX_ temp_sv, "_<(eval %lu)[%s:%"IVdf"]", | |
83ee9e09 GS |
3795 | (unsigned long)++PL_evalseq, |
3796 | CopFILE(PL_curcop), (IV)CopLINE(PL_curcop)); | |
8b38226b AL |
3797 | tmpbuf = SvPVX(temp_sv); |
3798 | len = SvCUR(temp_sv); | |
83ee9e09 GS |
3799 | } |
3800 | else | |
d9fad198 | 3801 | len = my_snprintf(tmpbuf, sizeof(tbuf), "_<(eval %lu)", (unsigned long)++PL_evalseq); |
f4dd75d9 | 3802 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 3803 | CopFILE_set(&PL_compiling, tmpbuf+2); |
f4dd75d9 | 3804 | SAVECOPLINE(&PL_compiling); |
57843af0 | 3805 | CopLINE_set(&PL_compiling, 1); |
55497cff | 3806 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
3807 | deleting the eval's FILEGV from the stash before gv_check() runs | |
3808 | (i.e. before run-time proper). To work around the coredump that | |
3809 | ensues, we always turn GvMULTI_on for any globals that were | |
3810 | introduced within evals. See force_ident(). GSAR 96-10-12 */ | |
b3ac6de7 | 3811 | SAVEHINTS(); |
533c011a | 3812 | PL_hints = PL_op->op_targ; |
cda55376 AV |
3813 | if (saved_hh) { |
3814 | /* SAVEHINTS created a new HV in PL_hintgv, which we need to GC */ | |
3815 | SvREFCNT_dec(GvHV(PL_hintgv)); | |
0d863452 | 3816 | GvHV(PL_hintgv) = saved_hh; |
cda55376 | 3817 | } |
68da3b2f | 3818 | SAVECOMPILEWARNINGS(); |
72dc9ed5 | 3819 | PL_compiling.cop_warnings = DUP_WARNINGS(PL_curcop->cop_warnings); |
c28fe1ec NC |
3820 | if (PL_compiling.cop_hints_hash) { |
3821 | Perl_refcounted_he_free(aTHX_ PL_compiling.cop_hints_hash); | |
a24d89c9 | 3822 | } |
47550813 NC |
3823 | if (Perl_fetch_cop_label(aTHX_ PL_curcop->cop_hints_hash, NULL, NULL)) { |
3824 | /* The label, if present, is the first entry on the chain. So rather | |
3825 | than writing a blank label in front of it (which involves an | |
3826 | allocation), just use the next entry in the chain. */ | |
3827 | PL_compiling.cop_hints_hash | |
3828 | = PL_curcop->cop_hints_hash->refcounted_he_next; | |
3829 | /* Check the assumption that this removed the label. */ | |
3830 | assert(Perl_fetch_cop_label(aTHX_ PL_compiling.cop_hints_hash, NULL, | |
3831 | NULL) == NULL); | |
3832 | } | |
3833 | else | |
3834 | PL_compiling.cop_hints_hash = PL_curcop->cop_hints_hash; | |
c28fe1ec | 3835 | if (PL_compiling.cop_hints_hash) { |
cbb1fbea | 3836 | HINTS_REFCNT_LOCK; |
c28fe1ec | 3837 | PL_compiling.cop_hints_hash->refcounted_he_refcnt++; |
cbb1fbea | 3838 | HINTS_REFCNT_UNLOCK; |
a24d89c9 | 3839 | } |
d819b83a DM |
3840 | /* special case: an eval '' executed within the DB package gets lexically |
3841 | * placed in the first non-DB CV rather than the current CV - this | |
3842 | * allows the debugger to execute code, find lexicals etc, in the | |
3843 | * scope of the code being debugged. Passing &seq gets find_runcv | |
3844 | * to do the dirty work for us */ | |
3845 | runcv = find_runcv(&seq); | |
a0d0e21e | 3846 | |
6b35e009 | 3847 | PUSHBLOCK(cx, (CXt_EVAL|CXp_REAL), SP); |
6b75f042 | 3848 | PUSHEVAL(cx, 0); |
f39bc417 | 3849 | cx->blk_eval.retop = PL_op->op_next; |
a0d0e21e LW |
3850 | |
3851 | /* prepare to compile string */ | |
3852 | ||
a44e3ce2 | 3853 | if ((PERLDB_LINE || PERLDB_SAVESRC) && PL_curstash != PL_debstash) |
bdc0bf6f | 3854 | save_lines(CopFILEAV(&PL_compiling), PL_parser->linestr); |
a0d0e21e | 3855 | PUTBACK; |
f9bddea7 NC |
3856 | |
3857 | if (doeval(gimme, NULL, runcv, seq)) { | |
3858 | if (was != PL_breakable_sub_gen /* Some subs defined here. */ | |
3859 | ? (PERLDB_LINE || PERLDB_SAVESRC) | |
3860 | : PERLDB_SAVESRC_NOSUBS) { | |
3861 | /* Retain the filegv we created. */ | |
3862 | } else { | |
3863 | char *const safestr = savepvn(tmpbuf, len); | |
3864 | SAVEDELETE(PL_defstash, safestr, len); | |
3865 | } | |
3866 | return DOCATCH(PL_eval_start); | |
3867 | } else { | |
3868 | /* We have already left the scope set up earler thanks to the LEAVE | |
3869 | in doeval(). */ | |
eb044b10 NC |
3870 | if (was != PL_breakable_sub_gen /* Some subs defined here. */ |
3871 | ? (PERLDB_LINE || PERLDB_SAVESRC) | |
3872 | : PERLDB_SAVESRC_INVALID) { | |
f9bddea7 NC |
3873 | /* Retain the filegv we created. */ |
3874 | } else { | |
3875 | (void)hv_delete(PL_defstash, tmpbuf, len, G_DISCARD); | |
3876 | } | |
3877 | return PL_op->op_next; | |
3878 | } | |
a0d0e21e LW |
3879 | } |
3880 | ||
3881 | PP(pp_leaveeval) | |
3882 | { | |
27da23d5 | 3883 | dVAR; dSP; |
a0d0e21e LW |
3884 | register SV **mark; |
3885 | SV **newsp; | |
3886 | PMOP *newpm; | |
3887 | I32 gimme; | |
c09156bb | 3888 | register PERL_CONTEXT *cx; |
a0d0e21e | 3889 | OP *retop; |
06b5626a | 3890 | const U8 save_flags = PL_op -> op_flags; |
a0d0e21e | 3891 | I32 optype; |
b6494f15 | 3892 | SV *namesv; |
a0d0e21e LW |
3893 | |
3894 | POPBLOCK(cx,newpm); | |
3895 | POPEVAL(cx); | |
b6494f15 | 3896 | namesv = cx->blk_eval.old_namesv; |
f39bc417 | 3897 | retop = cx->blk_eval.retop; |
a0d0e21e | 3898 | |
a1f49e72 | 3899 | TAINT_NOT; |
54310121 | 3900 | if (gimme == G_VOID) |
3901 | MARK = newsp; | |
3902 | else if (gimme == G_SCALAR) { | |
3903 | MARK = newsp + 1; | |
3904 | if (MARK <= SP) { | |
3905 | if (SvFLAGS(TOPs) & SVs_TEMP) | |
3906 | *MARK = TOPs; | |
3907 | else | |
3908 | *MARK = sv_mortalcopy(TOPs); | |
3909 | } | |
a0d0e21e | 3910 | else { |
54310121 | 3911 | MEXTEND(mark,0); |
3280af22 | 3912 | *MARK = &PL_sv_undef; |
a0d0e21e | 3913 | } |
a7ec2b44 | 3914 | SP = MARK; |
a0d0e21e LW |
3915 | } |
3916 | else { | |
a1f49e72 CS |
3917 | /* in case LEAVE wipes old return values */ |
3918 | for (mark = newsp + 1; mark <= SP; mark++) { | |
3919 | if (!(SvFLAGS(*mark) & SVs_TEMP)) { | |
a0d0e21e | 3920 | *mark = sv_mortalcopy(*mark); |
a1f49e72 CS |
3921 | TAINT_NOT; /* Each item is independent */ |
3922 | } | |
3923 | } | |
a0d0e21e | 3924 | } |
3280af22 | 3925 | PL_curpm = newpm; /* Don't pop $1 et al till now */ |
a0d0e21e | 3926 | |
4fdae800 | 3927 | #ifdef DEBUGGING |
3280af22 | 3928 | assert(CvDEPTH(PL_compcv) == 1); |
4fdae800 | 3929 | #endif |
3280af22 | 3930 | CvDEPTH(PL_compcv) = 0; |
f46d017c | 3931 | lex_end(); |
4fdae800 | 3932 | |
1ce6579f | 3933 | if (optype == OP_REQUIRE && |
924508f0 | 3934 | !(gimme == G_SCALAR ? SvTRUE(*SP) : SP > newsp)) |
54310121 | 3935 | { |
1ce6579f | 3936 | /* Unassume the success we assumed earlier. */ |
b6494f15 VP |
3937 | (void)hv_delete(GvHVn(PL_incgv), |
3938 | SvPVX_const(namesv), SvCUR(namesv), | |
3939 | G_DISCARD); | |
3940 | retop = Perl_die(aTHX_ "%"SVf" did not return a true value", | |
3941 | SVfARG(namesv)); | |
f46d017c GS |
3942 | /* die_where() did LEAVE, or we won't be here */ |
3943 | } | |
3944 | else { | |
d343c3ef | 3945 | LEAVE_with_name("eval"); |
8433848b | 3946 | if (!(save_flags & OPf_SPECIAL)) { |
ab69dbc2 | 3947 | CLEAR_ERRSV(); |
8433848b | 3948 | } |
a0d0e21e | 3949 | } |
a0d0e21e LW |
3950 | |
3951 | RETURNOP(retop); | |
3952 | } | |
3953 | ||
edb2152a NC |
3954 | /* Common code for Perl_call_sv and Perl_fold_constants, put here to keep it |
3955 | close to the related Perl_create_eval_scope. */ | |
3956 | void | |
3957 | Perl_delete_eval_scope(pTHX) | |
a0d0e21e | 3958 | { |
edb2152a NC |
3959 | SV **newsp; |
3960 | PMOP *newpm; | |
3961 | I32 gimme; | |
c09156bb | 3962 | register PERL_CONTEXT *cx; |
edb2152a NC |
3963 | I32 optype; |
3964 | ||
3965 | POPBLOCK(cx,newpm); | |
3966 | POPEVAL(cx); | |
3967 | PL_curpm = newpm; | |
d343c3ef | 3968 | LEAVE_with_name("eval_scope"); |
edb2152a NC |
3969 | PERL_UNUSED_VAR(newsp); |
3970 | PERL_UNUSED_VAR(gimme); | |
3971 | PERL_UNUSED_VAR(optype); | |
3972 | } | |
a0d0e21e | 3973 | |
edb2152a NC |
3974 | /* Common-ish code salvaged from Perl_call_sv and pp_entertry, because it was |
3975 | also needed by Perl_fold_constants. */ | |
3976 | PERL_CONTEXT * | |
3977 | Perl_create_eval_scope(pTHX_ U32 flags) | |
3978 | { | |
3979 | PERL_CONTEXT *cx; | |
3980 | const I32 gimme = GIMME_V; | |
3981 | ||
d343c3ef | 3982 | ENTER_with_name("eval_scope"); |
a0d0e21e LW |
3983 | SAVETMPS; |
3984 | ||
edb2152a | 3985 | PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), PL_stack_sp); |
6b75f042 | 3986 | PUSHEVAL(cx, 0); |
a0d0e21e | 3987 | |
faef0170 | 3988 | PL_in_eval = EVAL_INEVAL; |
edb2152a NC |
3989 | if (flags & G_KEEPERR) |
3990 | PL_in_eval |= EVAL_KEEPERR; | |
ab69dbc2 RGS |
3991 | else |
3992 | CLEAR_ERRSV(); | |
edb2152a NC |
3993 | if (flags & G_FAKINGEVAL) { |
3994 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ | |
3995 | } | |
3996 | return cx; | |
3997 | } | |
3998 | ||
3999 | PP(pp_entertry) | |
4000 | { | |
4001 | dVAR; | |
df528165 | 4002 | PERL_CONTEXT * const cx = create_eval_scope(0); |
edb2152a | 4003 | cx->blk_eval.retop = cLOGOP->op_other->op_next; |
533c011a | 4004 | return DOCATCH(PL_op->op_next); |
a0d0e21e LW |
4005 | } |
4006 | ||
4007 | PP(pp_leavetry) | |
4008 | { | |
27da23d5 | 4009 | dVAR; dSP; |
a0d0e21e LW |
4010 | SV **newsp; |
4011 | PMOP *newpm; | |
4012 | I32 gimme; | |
c09156bb | 4013 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
4014 | I32 optype; |
4015 | ||
4016 | POPBLOCK(cx,newpm); | |
4017 | POPEVAL(cx); | |
9d4ba2ae | 4018 | PERL_UNUSED_VAR(optype); |
a0d0e21e | 4019 | |
a1f49e72 | 4020 | TAINT_NOT; |
54310121 | 4021 | if (gimme == G_VOID) |
4022 | SP = newsp; | |
4023 | else if (gimme == G_SCALAR) { | |
c445ea15 | 4024 | register SV **mark; |
54310121 | 4025 | MARK = newsp + 1; |
4026 | if (MARK <= SP) { | |
4027 | if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP)) | |
4028 | *MARK = TOPs; | |
4029 | else | |
4030 | *MARK = sv_mortalcopy(TOPs); | |
4031 | } | |
a0d0e21e | 4032 | else { |
54310121 | 4033 | MEXTEND(mark,0); |
3280af22 | 4034 | *MARK = &PL_sv_undef; |
a0d0e21e LW |
4035 | } |
4036 | SP = MARK; | |
4037 | } | |
4038 | else { | |
a1f49e72 | 4039 | /* in case LEAVE wipes old return values */ |
c445ea15 | 4040 | register SV **mark; |
a1f49e72 CS |
4041 | for (mark = newsp + 1; mark <= SP; mark++) { |
4042 | if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) { | |
a0d0e21e | 4043 | *mark = sv_mortalcopy(*mark); |
a1f49e72 CS |
4044 | TAINT_NOT; /* Each item is independent */ |
4045 | } | |
4046 | } | |
a0d0e21e | 4047 | } |
3280af22 | 4048 | PL_curpm = newpm; /* Don't pop $1 et al till now */ |
a0d0e21e | 4049 | |
d343c3ef | 4050 | LEAVE_with_name("eval_scope"); |
ab69dbc2 | 4051 | CLEAR_ERRSV(); |
745cf2ff | 4052 | RETURN; |
a0d0e21e LW |
4053 | } |
4054 | ||
0d863452 RH |
4055 | PP(pp_entergiven) |
4056 | { | |
4057 | dVAR; dSP; | |
4058 | register PERL_CONTEXT *cx; | |
4059 | const I32 gimme = GIMME_V; | |
4060 | ||
d343c3ef | 4061 | ENTER_with_name("given"); |
0d863452 RH |
4062 | SAVETMPS; |
4063 | ||
bb74b0ee | 4064 | sv_setsv(PAD_SV(PL_op->op_targ), POPs); |
0d863452 RH |
4065 | |
4066 | PUSHBLOCK(cx, CXt_GIVEN, SP); | |
4067 | PUSHGIVEN(cx); | |
4068 | ||
4069 | RETURN; | |
4070 | } | |
4071 | ||
4072 | PP(pp_leavegiven) | |
4073 | { | |
4074 | dVAR; dSP; | |
4075 | register PERL_CONTEXT *cx; | |
4076 | I32 gimme; | |
4077 | SV **newsp; | |
4078 | PMOP *newpm; | |
96a5add6 | 4079 | PERL_UNUSED_CONTEXT; |
0d863452 RH |
4080 | |
4081 | POPBLOCK(cx,newpm); | |
4082 | assert(CxTYPE(cx) == CXt_GIVEN); | |
0d863452 RH |
4083 | |
4084 | SP = newsp; | |
4085 | PUTBACK; | |
4086 | ||
4087 | PL_curpm = newpm; /* pop $1 et al */ | |
4088 | ||
d343c3ef | 4089 | LEAVE_with_name("given"); |
0d863452 RH |
4090 | |
4091 | return NORMAL; | |
4092 | } | |
4093 | ||
4094 | /* Helper routines used by pp_smartmatch */ | |
4136a0f7 | 4095 | STATIC PMOP * |
84679df5 | 4096 | S_make_matcher(pTHX_ REGEXP *re) |
0d863452 | 4097 | { |
97aff369 | 4098 | dVAR; |
0d863452 | 4099 | PMOP *matcher = (PMOP *) newPMOP(OP_MATCH, OPf_WANT_SCALAR | OPf_STACKED); |
7918f24d NC |
4100 | |
4101 | PERL_ARGS_ASSERT_MAKE_MATCHER; | |
4102 | ||
d6106309 | 4103 | PM_SETRE(matcher, ReREFCNT_inc(re)); |
7918f24d | 4104 | |
0d863452 | 4105 | SAVEFREEOP((OP *) matcher); |
d343c3ef | 4106 | ENTER_with_name("matcher"); SAVETMPS; |
0d863452 RH |
4107 | SAVEOP(); |
4108 | return matcher; | |
4109 | } | |
4110 | ||
4136a0f7 | 4111 | STATIC bool |
0d863452 RH |
4112 | S_matcher_matches_sv(pTHX_ PMOP *matcher, SV *sv) |
4113 | { | |
97aff369 | 4114 | dVAR; |
0d863452 | 4115 | dSP; |
7918f24d NC |
4116 | |
4117 | PERL_ARGS_ASSERT_MATCHER_MATCHES_SV; | |
0d863452 RH |
4118 | |
4119 | PL_op = (OP *) matcher; | |
4120 | XPUSHs(sv); | |
4121 | PUTBACK; | |
4122 | (void) pp_match(); | |
4123 | SPAGAIN; | |
4124 | return (SvTRUEx(POPs)); | |
4125 | } | |
4126 | ||
4136a0f7 | 4127 | STATIC void |
0d863452 RH |
4128 | S_destroy_matcher(pTHX_ PMOP *matcher) |
4129 | { | |
97aff369 | 4130 | dVAR; |
7918f24d NC |
4131 | |
4132 | PERL_ARGS_ASSERT_DESTROY_MATCHER; | |
0d863452 | 4133 | PERL_UNUSED_ARG(matcher); |
7918f24d | 4134 | |
0d863452 | 4135 | FREETMPS; |
d343c3ef | 4136 | LEAVE_with_name("matcher"); |
0d863452 RH |
4137 | } |
4138 | ||
4139 | /* Do a smart match */ | |
4140 | PP(pp_smartmatch) | |
4141 | { | |
d7c0d282 | 4142 | DEBUG_M(Perl_deb(aTHX_ "Starting smart match resolution\n")); |
a0714e2c | 4143 | return do_smartmatch(NULL, NULL); |
0d863452 RH |
4144 | } |
4145 | ||
4b021f5f RGS |
4146 | /* This version of do_smartmatch() implements the |
4147 | * table of smart matches that is found in perlsyn. | |
0d863452 | 4148 | */ |
4136a0f7 | 4149 | STATIC OP * |
0d863452 RH |
4150 | S_do_smartmatch(pTHX_ HV *seen_this, HV *seen_other) |
4151 | { | |
97aff369 | 4152 | dVAR; |
0d863452 RH |
4153 | dSP; |
4154 | ||
41e726ac | 4155 | bool object_on_left = FALSE; |
0d863452 RH |
4156 | SV *e = TOPs; /* e is for 'expression' */ |
4157 | SV *d = TOPm1s; /* d is for 'default', as in PL_defgv */ | |
a566f585 | 4158 | |
2c9d2554 | 4159 | /* First of all, handle overload magic of the rightmost argument */ |
6d743019 | 4160 | if (SvAMAGIC(e)) { |
d7c0d282 DM |
4161 | SV * tmpsv; |
4162 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-Object\n")); | |
4163 | DEBUG_M(Perl_deb(aTHX_ " attempting overload\n")); | |
4164 | ||
4165 | tmpsv = amagic_call(d, e, smart_amg, 0); | |
7c41e62e RGS |
4166 | if (tmpsv) { |
4167 | SPAGAIN; | |
4168 | (void)POPs; | |
4169 | SETs(tmpsv); | |
4170 | RETURN; | |
4171 | } | |
d7c0d282 | 4172 | DEBUG_M(Perl_deb(aTHX_ " failed to run overload method; continuing...\n")); |
7c41e62e | 4173 | } |
62ec5f58 | 4174 | |
0d863452 RH |
4175 | SP -= 2; /* Pop the values */ |
4176 | ||
4177 | /* Take care only to invoke mg_get() once for each argument. | |
4178 | * Currently we do this by copying the SV if it's magical. */ | |
4179 | if (d) { | |
4180 | if (SvGMAGICAL(d)) | |
4181 | d = sv_mortalcopy(d); | |
4182 | } | |
4183 | else | |
4184 | d = &PL_sv_undef; | |
4185 | ||
4186 | assert(e); | |
4187 | if (SvGMAGICAL(e)) | |
4188 | e = sv_mortalcopy(e); | |
4189 | ||
b0138e99 | 4190 | /* ~~ undef */ |
62ec5f58 | 4191 | if (!SvOK(e)) { |
d7c0d282 | 4192 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-undef\n")); |
62ec5f58 | 4193 | if (SvOK(d)) |
33570f8b RGS |
4194 | RETPUSHNO; |
4195 | else | |
62ec5f58 | 4196 | RETPUSHYES; |
33570f8b | 4197 | } |
e67b97bd | 4198 | |
d7c0d282 DM |
4199 | if (sv_isobject(e) && (SvTYPE(SvRV(e)) != SVt_REGEXP)) { |
4200 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-Object\n")); | |
62ec5f58 | 4201 | Perl_croak(aTHX_ "Smart matching a non-overloaded object breaks encapsulation"); |
d7c0d282 | 4202 | } |
41e726ac RGS |
4203 | if (sv_isobject(d) && (SvTYPE(SvRV(d)) != SVt_REGEXP)) |
4204 | object_on_left = TRUE; | |
62ec5f58 | 4205 | |
b0138e99 | 4206 | /* ~~ sub */ |
a4a197da | 4207 | if (SvROK(e) && SvTYPE(SvRV(e)) == SVt_PVCV) { |
0d863452 | 4208 | I32 c; |
41e726ac RGS |
4209 | if (object_on_left) { |
4210 | goto sm_any_sub; /* Treat objects like scalars */ | |
4211 | } | |
4212 | else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVHV) { | |
a4a197da RGS |
4213 | /* Test sub truth for each key */ |
4214 | HE *he; | |
4215 | bool andedresults = TRUE; | |
4216 | HV *hv = (HV*) SvRV(d); | |
168ff818 | 4217 | I32 numkeys = hv_iterinit(hv); |
d7c0d282 | 4218 | DEBUG_M(Perl_deb(aTHX_ " applying rule Hash-CodeRef\n")); |
168ff818 | 4219 | if (numkeys == 0) |
07edf497 | 4220 | RETPUSHYES; |
a4a197da | 4221 | while ( (he = hv_iternext(hv)) ) { |
d7c0d282 | 4222 | DEBUG_M(Perl_deb(aTHX_ " testing hash key...\n")); |
d343c3ef | 4223 | ENTER_with_name("smartmatch_hash_key_test"); |
a4a197da RGS |
4224 | SAVETMPS; |
4225 | PUSHMARK(SP); | |
4226 | PUSHs(hv_iterkeysv(he)); | |
4227 | PUTBACK; | |
4228 | c = call_sv(e, G_SCALAR); | |
4229 | SPAGAIN; | |
4230 | if (c == 0) | |
4231 | andedresults = FALSE; | |
4232 | else | |
4233 | andedresults = SvTRUEx(POPs) && andedresults; | |
4234 | FREETMPS; | |
d343c3ef | 4235 | LEAVE_with_name("smartmatch_hash_key_test"); |
a4a197da RGS |
4236 | } |
4237 | if (andedresults) | |
4238 | RETPUSHYES; | |
4239 | else | |
4240 | RETPUSHNO; | |
4241 | } | |
4242 | else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVAV) { | |
4243 | /* Test sub truth for each element */ | |
4244 | I32 i; | |
4245 | bool andedresults = TRUE; | |
4246 | AV *av = (AV*) SvRV(d); | |
4247 | const I32 len = av_len(av); | |
d7c0d282 | 4248 | DEBUG_M(Perl_deb(aTHX_ " applying rule Array-CodeRef\n")); |
168ff818 | 4249 | if (len == -1) |
07edf497 | 4250 | RETPUSHYES; |
a4a197da RGS |
4251 | for (i = 0; i <= len; ++i) { |
4252 | SV * const * const svp = av_fetch(av, i, FALSE); | |
d7c0d282 | 4253 | DEBUG_M(Perl_deb(aTHX_ " testing array element...\n")); |
d343c3ef | 4254 | ENTER_with_name("smartmatch_array_elem_test"); |
a4a197da RGS |
4255 | SAVETMPS; |
4256 | PUSHMARK(SP); | |
4257 | if (svp) | |
4258 | PUSHs(*svp); | |
4259 | PUTBACK; | |
4260 | c = call_sv(e, G_SCALAR); | |
4261 | SPAGAIN; | |
4262 | if (c == 0) | |
4263 | andedresults = FALSE; | |
4264 | else | |
4265 | andedresults = SvTRUEx(POPs) && andedresults; | |
4266 | FREETMPS; | |
d343c3ef | 4267 | LEAVE_with_name("smartmatch_array_elem_test"); |
a4a197da RGS |
4268 | } |
4269 | if (andedresults) | |
4270 | RETPUSHYES; | |
4271 | else | |
4272 | RETPUSHNO; | |
4273 | } | |
4274 | else { | |
41e726ac | 4275 | sm_any_sub: |
d7c0d282 | 4276 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-CodeRef\n")); |
d343c3ef | 4277 | ENTER_with_name("smartmatch_coderef"); |
a4a197da RGS |
4278 | SAVETMPS; |
4279 | PUSHMARK(SP); | |
4280 | PUSHs(d); | |
4281 | PUTBACK; | |
4282 | c = call_sv(e, G_SCALAR); | |
4283 | SPAGAIN; | |
4284 | if (c == 0) | |
4285 | PUSHs(&PL_sv_no); | |
4286 | else if (SvTEMP(TOPs)) | |
4287 | SvREFCNT_inc_void(TOPs); | |
4288 | FREETMPS; | |
d343c3ef | 4289 | LEAVE_with_name("smartmatch_coderef"); |
a4a197da RGS |
4290 | RETURN; |
4291 | } | |
0d863452 | 4292 | } |
b0138e99 | 4293 | /* ~~ %hash */ |
61a621c6 | 4294 | else if (SvROK(e) && SvTYPE(SvRV(e)) == SVt_PVHV) { |
41e726ac RGS |
4295 | if (object_on_left) { |
4296 | goto sm_any_hash; /* Treat objects like scalars */ | |
4297 | } | |
4298 | else if (!SvOK(d)) { | |
d7c0d282 | 4299 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-Hash ($a undef)\n")); |
61a621c6 RGS |
4300 | RETPUSHNO; |
4301 | } | |
4302 | else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVHV) { | |
0d863452 RH |
4303 | /* Check that the key-sets are identical */ |
4304 | HE *he; | |
61a621c6 | 4305 | HV *other_hv = MUTABLE_HV(SvRV(d)); |
0d863452 RH |
4306 | bool tied = FALSE; |
4307 | bool other_tied = FALSE; | |
4308 | U32 this_key_count = 0, | |
4309 | other_key_count = 0; | |
33ed63a2 | 4310 | HV *hv = MUTABLE_HV(SvRV(e)); |
d7c0d282 DM |
4311 | |
4312 | DEBUG_M(Perl_deb(aTHX_ " applying rule Hash-Hash\n")); | |
0d863452 | 4313 | /* Tied hashes don't know how many keys they have. */ |
33ed63a2 | 4314 | if (SvTIED_mg((SV*)hv, PERL_MAGIC_tied)) { |
0d863452 RH |
4315 | tied = TRUE; |
4316 | } | |
ad64d0ec | 4317 | else if (SvTIED_mg((const SV *)other_hv, PERL_MAGIC_tied)) { |
c445ea15 | 4318 | HV * const temp = other_hv; |
33ed63a2 RGS |
4319 | other_hv = hv; |
4320 | hv = temp; | |
0d863452 RH |
4321 | tied = TRUE; |
4322 | } | |
ad64d0ec | 4323 | if (SvTIED_mg((const SV *)other_hv, PERL_MAGIC_tied)) |
0d863452 RH |
4324 | other_tied = TRUE; |
4325 | ||
33ed63a2 | 4326 | if (!tied && HvUSEDKEYS((const HV *) hv) != HvUSEDKEYS(other_hv)) |
0d863452 RH |
4327 | RETPUSHNO; |
4328 | ||
4329 | /* The hashes have the same number of keys, so it suffices | |
4330 | to check that one is a subset of the other. */ | |
33ed63a2 RGS |
4331 | (void) hv_iterinit(hv); |
4332 | while ( (he = hv_iternext(hv)) ) { | |
b15feb55 | 4333 | SV *key = hv_iterkeysv(he); |
d7c0d282 DM |
4334 | |
4335 | DEBUG_M(Perl_deb(aTHX_ " comparing hash key...\n")); | |
0d863452 RH |
4336 | ++ this_key_count; |
4337 | ||
b15feb55 | 4338 | if(!hv_exists_ent(other_hv, key, 0)) { |
33ed63a2 | 4339 | (void) hv_iterinit(hv); /* reset iterator */ |
0d863452 RH |
4340 | RETPUSHNO; |
4341 | } | |
4342 | } | |
4343 | ||
4344 | if (other_tied) { | |
4345 | (void) hv_iterinit(other_hv); | |
4346 | while ( hv_iternext(other_hv) ) | |
4347 | ++other_key_count; | |
4348 | } | |
4349 | else | |
4350 | other_key_count = HvUSEDKEYS(other_hv); | |
4351 | ||
4352 | if (this_key_count != other_key_count) | |
4353 | RETPUSHNO; | |
4354 | else | |
4355 | RETPUSHYES; | |
4356 | } | |
61a621c6 RGS |
4357 | else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVAV) { |
4358 | AV * const other_av = MUTABLE_AV(SvRV(d)); | |
c445ea15 | 4359 | const I32 other_len = av_len(other_av) + 1; |
0d863452 | 4360 | I32 i; |
33ed63a2 | 4361 | HV *hv = MUTABLE_HV(SvRV(e)); |
71b0fb34 | 4362 | |
d7c0d282 | 4363 | DEBUG_M(Perl_deb(aTHX_ " applying rule Array-Hash\n")); |
71b0fb34 | 4364 | for (i = 0; i < other_len; ++i) { |
c445ea15 | 4365 | SV ** const svp = av_fetch(other_av, i, FALSE); |
d7c0d282 | 4366 | DEBUG_M(Perl_deb(aTHX_ " checking for key existence...\n")); |
71b0fb34 | 4367 | if (svp) { /* ??? When can this not happen? */ |
b15feb55 | 4368 | if (hv_exists_ent(hv, *svp, 0)) |
71b0fb34 DK |
4369 | RETPUSHYES; |
4370 | } | |
0d863452 | 4371 | } |
71b0fb34 | 4372 | RETPUSHNO; |
0d863452 | 4373 | } |
a566f585 | 4374 | else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_REGEXP) { |
d7c0d282 | 4375 | DEBUG_M(Perl_deb(aTHX_ " applying rule Regex-Hash\n")); |
ea0c2dbd RGS |
4376 | sm_regex_hash: |
4377 | { | |
4378 | PMOP * const matcher = make_matcher((REGEXP*) SvRV(d)); | |
4379 | HE *he; | |
4380 | HV *hv = MUTABLE_HV(SvRV(e)); | |
4381 | ||
4382 | (void) hv_iterinit(hv); | |
4383 | while ( (he = hv_iternext(hv)) ) { | |
d7c0d282 | 4384 | DEBUG_M(Perl_deb(aTHX_ " testing key against pattern...\n")); |
ea0c2dbd RGS |
4385 | if (matcher_matches_sv(matcher, hv_iterkeysv(he))) { |
4386 | (void) hv_iterinit(hv); | |
4387 | destroy_matcher(matcher); | |
4388 | RETPUSHYES; | |
4389 | } | |
0d863452 | 4390 | } |
ea0c2dbd RGS |
4391 | destroy_matcher(matcher); |
4392 | RETPUSHNO; | |
0d863452 | 4393 | } |
0d863452 RH |
4394 | } |
4395 | else { | |
41e726ac | 4396 | sm_any_hash: |
d7c0d282 | 4397 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-Hash\n")); |
61a621c6 | 4398 | if (hv_exists_ent(MUTABLE_HV(SvRV(e)), d, 0)) |
0d863452 RH |
4399 | RETPUSHYES; |
4400 | else | |
4401 | RETPUSHNO; | |
4402 | } | |
4403 | } | |
b0138e99 RGS |
4404 | /* ~~ @array */ |
4405 | else if (SvROK(e) && SvTYPE(SvRV(e)) == SVt_PVAV) { | |
41e726ac RGS |
4406 | if (object_on_left) { |
4407 | goto sm_any_array; /* Treat objects like scalars */ | |
4408 | } | |
4409 | else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVHV) { | |
b0138e99 RGS |
4410 | AV * const other_av = MUTABLE_AV(SvRV(e)); |
4411 | const I32 other_len = av_len(other_av) + 1; | |
4412 | I32 i; | |
4413 | ||
d7c0d282 | 4414 | DEBUG_M(Perl_deb(aTHX_ " applying rule Hash-Array\n")); |
b0138e99 RGS |
4415 | for (i = 0; i < other_len; ++i) { |
4416 | SV ** const svp = av_fetch(other_av, i, FALSE); | |
d7c0d282 DM |
4417 | |
4418 | DEBUG_M(Perl_deb(aTHX_ " testing for key existence...\n")); | |
b0138e99 | 4419 | if (svp) { /* ??? When can this not happen? */ |
b15feb55 | 4420 | if (hv_exists_ent(MUTABLE_HV(SvRV(d)), *svp, 0)) |
b0138e99 RGS |
4421 | RETPUSHYES; |
4422 | } | |
4423 | } | |
4424 | RETPUSHNO; | |
4425 | } | |
4426 | if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVAV) { | |
4427 | AV *other_av = MUTABLE_AV(SvRV(d)); | |
d7c0d282 | 4428 | DEBUG_M(Perl_deb(aTHX_ " applying rule Array-Array\n")); |
b0138e99 | 4429 | if (av_len(MUTABLE_AV(SvRV(e))) != av_len(other_av)) |
0d863452 RH |
4430 | RETPUSHNO; |
4431 | else { | |
4432 | I32 i; | |
c445ea15 | 4433 | const I32 other_len = av_len(other_av); |
0d863452 | 4434 | |
a0714e2c | 4435 | if (NULL == seen_this) { |
0d863452 | 4436 | seen_this = newHV(); |
ad64d0ec | 4437 | (void) sv_2mortal(MUTABLE_SV(seen_this)); |
0d863452 | 4438 | } |
a0714e2c | 4439 | if (NULL == seen_other) { |
6bc991bf | 4440 | seen_other = newHV(); |
ad64d0ec | 4441 | (void) sv_2mortal(MUTABLE_SV(seen_other)); |
0d863452 RH |
4442 | } |
4443 | for(i = 0; i <= other_len; ++i) { | |
b0138e99 | 4444 | SV * const * const this_elem = av_fetch(MUTABLE_AV(SvRV(e)), i, FALSE); |
c445ea15 AL |
4445 | SV * const * const other_elem = av_fetch(other_av, i, FALSE); |
4446 | ||
0d863452 | 4447 | if (!this_elem || !other_elem) { |
69c3dccf RGS |
4448 | if ((this_elem && SvOK(*this_elem)) |
4449 | || (other_elem && SvOK(*other_elem))) | |
0d863452 RH |
4450 | RETPUSHNO; |
4451 | } | |
365c4e3d RGS |
4452 | else if (hv_exists_ent(seen_this, |
4453 | sv_2mortal(newSViv(PTR2IV(*this_elem))), 0) || | |
4454 | hv_exists_ent(seen_other, | |
4455 | sv_2mortal(newSViv(PTR2IV(*other_elem))), 0)) | |
0d863452 RH |
4456 | { |
4457 | if (*this_elem != *other_elem) | |
4458 | RETPUSHNO; | |
4459 | } | |
4460 | else { | |
04fe65b0 RGS |
4461 | (void)hv_store_ent(seen_this, |
4462 | sv_2mortal(newSViv(PTR2IV(*this_elem))), | |
4463 | &PL_sv_undef, 0); | |
4464 | (void)hv_store_ent(seen_other, | |
4465 | sv_2mortal(newSViv(PTR2IV(*other_elem))), | |
4466 | &PL_sv_undef, 0); | |
0d863452 | 4467 | PUSHs(*other_elem); |
a566f585 | 4468 | PUSHs(*this_elem); |
0d863452 RH |
4469 | |
4470 | PUTBACK; | |
d7c0d282 | 4471 | DEBUG_M(Perl_deb(aTHX_ " recursively comparing array element...\n")); |
0d863452 RH |
4472 | (void) do_smartmatch(seen_this, seen_other); |
4473 | SPAGAIN; | |
d7c0d282 | 4474 | DEBUG_M(Perl_deb(aTHX_ " recursion finished\n")); |
0d863452 RH |
4475 | |
4476 | if (!SvTRUEx(POPs)) | |
4477 | RETPUSHNO; | |
4478 | } | |
4479 | } | |
4480 | RETPUSHYES; | |
4481 | } | |
4482 | } | |
a566f585 | 4483 | else if (SvROK(d) && SvTYPE(SvRV(d)) == SVt_REGEXP) { |
d7c0d282 | 4484 | DEBUG_M(Perl_deb(aTHX_ " applying rule Regex-Array\n")); |
ea0c2dbd RGS |
4485 | sm_regex_array: |
4486 | { | |
4487 | PMOP * const matcher = make_matcher((REGEXP*) SvRV(d)); | |
4488 | const I32 this_len = av_len(MUTABLE_AV(SvRV(e))); | |
4489 | I32 i; | |
0d863452 | 4490 | |
ea0c2dbd RGS |
4491 | for(i = 0; i <= this_len; ++i) { |
4492 | SV * const * const svp = av_fetch(MUTABLE_AV(SvRV(e)), i, FALSE); | |
d7c0d282 | 4493 | DEBUG_M(Perl_deb(aTHX_ " testing element against pattern...\n")); |
ea0c2dbd RGS |
4494 | if (svp && matcher_matches_sv(matcher, *svp)) { |
4495 | destroy_matcher(matcher); | |
4496 | RETPUSHYES; | |
4497 | } | |
0d863452 | 4498 | } |
ea0c2dbd RGS |
4499 | destroy_matcher(matcher); |
4500 | RETPUSHNO; | |
0d863452 | 4501 | } |
0d863452 | 4502 | } |
015eb7b9 RGS |
4503 | else if (!SvOK(d)) { |
4504 | /* undef ~~ array */ | |
4505 | const I32 this_len = av_len(MUTABLE_AV(SvRV(e))); | |
0d863452 RH |
4506 | I32 i; |
4507 | ||
d7c0d282 | 4508 | DEBUG_M(Perl_deb(aTHX_ " applying rule Undef-Array\n")); |
015eb7b9 | 4509 | for (i = 0; i <= this_len; ++i) { |
b0138e99 | 4510 | SV * const * const svp = av_fetch(MUTABLE_AV(SvRV(e)), i, FALSE); |
d7c0d282 | 4511 | DEBUG_M(Perl_deb(aTHX_ " testing for undef element...\n")); |
015eb7b9 | 4512 | if (!svp || !SvOK(*svp)) |
0d863452 RH |
4513 | RETPUSHYES; |
4514 | } | |
4515 | RETPUSHNO; | |
4516 | } | |
015eb7b9 | 4517 | else { |
41e726ac RGS |
4518 | sm_any_array: |
4519 | { | |
4520 | I32 i; | |
4521 | const I32 this_len = av_len(MUTABLE_AV(SvRV(e))); | |
0d863452 | 4522 | |
d7c0d282 | 4523 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-Array\n")); |
41e726ac RGS |
4524 | for (i = 0; i <= this_len; ++i) { |
4525 | SV * const * const svp = av_fetch(MUTABLE_AV(SvRV(e)), i, FALSE); | |
4526 | if (!svp) | |
4527 | continue; | |
015eb7b9 | 4528 | |
41e726ac RGS |
4529 | PUSHs(d); |
4530 | PUSHs(*svp); | |
4531 | PUTBACK; | |
4532 | /* infinite recursion isn't supposed to happen here */ | |
d7c0d282 | 4533 | DEBUG_M(Perl_deb(aTHX_ " recursively testing array element...\n")); |
41e726ac RGS |
4534 | (void) do_smartmatch(NULL, NULL); |
4535 | SPAGAIN; | |
d7c0d282 | 4536 | DEBUG_M(Perl_deb(aTHX_ " recursion finished\n")); |
41e726ac RGS |
4537 | if (SvTRUEx(POPs)) |
4538 | RETPUSHYES; | |
4539 | } | |
4540 | RETPUSHNO; | |
0d863452 | 4541 | } |
0d863452 RH |
4542 | } |
4543 | } | |
b0138e99 | 4544 | /* ~~ qr// */ |
a566f585 | 4545 | else if (SvROK(e) && SvTYPE(SvRV(e)) == SVt_REGEXP) { |
ea0c2dbd RGS |
4546 | if (!object_on_left && SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVHV) { |
4547 | SV *t = d; d = e; e = t; | |
d7c0d282 | 4548 | DEBUG_M(Perl_deb(aTHX_ " applying rule Hash-Regex\n")); |
ea0c2dbd RGS |
4549 | goto sm_regex_hash; |
4550 | } | |
4551 | else if (!object_on_left && SvROK(d) && SvTYPE(SvRV(d)) == SVt_PVAV) { | |
4552 | SV *t = d; d = e; e = t; | |
d7c0d282 | 4553 | DEBUG_M(Perl_deb(aTHX_ " applying rule Array-Regex\n")); |
ea0c2dbd RGS |
4554 | goto sm_regex_array; |
4555 | } | |
4556 | else { | |
4557 | PMOP * const matcher = make_matcher((REGEXP*) SvRV(e)); | |
0d863452 | 4558 | |
d7c0d282 | 4559 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-Regex\n")); |
ea0c2dbd RGS |
4560 | PUTBACK; |
4561 | PUSHs(matcher_matches_sv(matcher, d) | |
4562 | ? &PL_sv_yes | |
4563 | : &PL_sv_no); | |
4564 | destroy_matcher(matcher); | |
4565 | RETURN; | |
4566 | } | |
0d863452 | 4567 | } |
b0138e99 | 4568 | /* ~~ scalar */ |
2c9d2554 RGS |
4569 | /* See if there is overload magic on left */ |
4570 | else if (object_on_left && SvAMAGIC(d)) { | |
4571 | SV *tmpsv; | |
d7c0d282 DM |
4572 | DEBUG_M(Perl_deb(aTHX_ " applying rule Object-Any\n")); |
4573 | DEBUG_M(Perl_deb(aTHX_ " attempting overload\n")); | |
2c9d2554 RGS |
4574 | PUSHs(d); PUSHs(e); |
4575 | PUTBACK; | |
4576 | tmpsv = amagic_call(d, e, smart_amg, AMGf_noright); | |
4577 | if (tmpsv) { | |
4578 | SPAGAIN; | |
4579 | (void)POPs; | |
4580 | SETs(tmpsv); | |
4581 | RETURN; | |
4582 | } | |
4583 | SP -= 2; | |
d7c0d282 | 4584 | DEBUG_M(Perl_deb(aTHX_ " failed to run overload method; falling back...\n")); |
2c9d2554 RGS |
4585 | goto sm_any_scalar; |
4586 | } | |
fb51372e RGS |
4587 | else if (!SvOK(d)) { |
4588 | /* undef ~~ scalar ; we already know that the scalar is SvOK */ | |
d7c0d282 | 4589 | DEBUG_M(Perl_deb(aTHX_ " applying rule undef-Any\n")); |
fb51372e RGS |
4590 | RETPUSHNO; |
4591 | } | |
2c9d2554 RGS |
4592 | else |
4593 | sm_any_scalar: | |
4594 | if (SvNIOK(e) || (SvPOK(e) && looks_like_number(e) && SvNIOK(d))) { | |
d7c0d282 DM |
4595 | DEBUG_M(if (SvNIOK(e)) |
4596 | Perl_deb(aTHX_ " applying rule Any-Num\n"); | |
4597 | else | |
4598 | Perl_deb(aTHX_ " applying rule Num-numish\n"); | |
4599 | ); | |
33ed63a2 | 4600 | /* numeric comparison */ |
0d863452 RH |
4601 | PUSHs(d); PUSHs(e); |
4602 | PUTBACK; | |
a98fe34d | 4603 | if (CopHINTS_get(PL_curcop) & HINT_INTEGER) |
0d863452 RH |
4604 | (void) pp_i_eq(); |
4605 | else | |
4606 | (void) pp_eq(); | |
4607 | SPAGAIN; | |
4608 | if (SvTRUEx(POPs)) | |
4609 | RETPUSHYES; | |
4610 | else | |
4611 | RETPUSHNO; | |
4612 | } | |
4613 | ||
4614 | /* As a last resort, use string comparison */ | |
d7c0d282 | 4615 | DEBUG_M(Perl_deb(aTHX_ " applying rule Any-Any\n")); |
0d863452 RH |
4616 | PUSHs(d); PUSHs(e); |
4617 | PUTBACK; | |
4618 | return pp_seq(); | |
4619 | } | |
4620 | ||
4621 | PP(pp_enterwhen) | |
4622 | { | |
4623 | dVAR; dSP; | |
4624 | register PERL_CONTEXT *cx; | |
4625 | const I32 gimme = GIMME_V; | |
4626 | ||
4627 | /* This is essentially an optimization: if the match | |
4628 | fails, we don't want to push a context and then | |
4629 | pop it again right away, so we skip straight | |
4630 | to the op that follows the leavewhen. | |
4631 | */ | |
4632 | if ((0 == (PL_op->op_flags & OPf_SPECIAL)) && !SvTRUEx(POPs)) | |
4633 | return cLOGOP->op_other->op_next; | |
4634 | ||
d343c3ef | 4635 | ENTER_with_name("eval"); |
0d863452 RH |
4636 | SAVETMPS; |
4637 | ||
4638 | PUSHBLOCK(cx, CXt_WHEN, SP); | |
4639 | PUSHWHEN(cx); | |
4640 | ||
4641 | RETURN; | |
4642 | } | |
4643 | ||
4644 | PP(pp_leavewhen) | |
4645 | { | |
4646 | dVAR; dSP; | |
4647 | register PERL_CONTEXT *cx; | |
4648 | I32 gimme; | |
4649 | SV **newsp; | |
4650 | PMOP *newpm; | |
4651 | ||
4652 | POPBLOCK(cx,newpm); | |
4653 | assert(CxTYPE(cx) == CXt_WHEN); | |
4654 | ||
4655 | SP = newsp; | |
4656 | PUTBACK; | |
4657 | ||
4658 | PL_curpm = newpm; /* pop $1 et al */ | |
4659 | ||
d343c3ef | 4660 | LEAVE_with_name("eval"); |
0d863452 RH |
4661 | return NORMAL; |
4662 | } | |
4663 | ||
4664 | PP(pp_continue) | |
4665 | { | |
4666 | dVAR; | |
4667 | I32 cxix; | |
4668 | register PERL_CONTEXT *cx; | |
4669 | I32 inner; | |
4670 | ||
4671 | cxix = dopoptowhen(cxstack_ix); | |
4672 | if (cxix < 0) | |
4673 | DIE(aTHX_ "Can't \"continue\" outside a when block"); | |
4674 | if (cxix < cxstack_ix) | |
4675 | dounwind(cxix); | |
4676 | ||
4677 | /* clear off anything above the scope we're re-entering */ | |
4678 | inner = PL_scopestack_ix; | |
4679 | TOPBLOCK(cx); | |
4680 | if (PL_scopestack_ix < inner) | |
4681 | leave_scope(PL_scopestack[PL_scopestack_ix]); | |
4682 | PL_curcop = cx->blk_oldcop; | |
4683 | return cx->blk_givwhen.leave_op; | |
4684 | } | |
4685 | ||
4686 | PP(pp_break) | |
4687 | { | |
4688 | dVAR; | |
4689 | I32 cxix; | |
4690 | register PERL_CONTEXT *cx; | |
4691 | I32 inner; | |
4692 | ||
4693 | cxix = dopoptogiven(cxstack_ix); | |
4694 | if (cxix < 0) { | |
4695 | if (PL_op->op_flags & OPf_SPECIAL) | |
4696 | DIE(aTHX_ "Can't use when() outside a topicalizer"); | |
4697 | else | |
4698 | DIE(aTHX_ "Can't \"break\" outside a given block"); | |
4699 | } | |
4700 | if (CxFOREACH(&cxstack[cxix]) && (0 == (PL_op->op_flags & OPf_SPECIAL))) | |
4701 | DIE(aTHX_ "Can't \"break\" in a loop topicalizer"); | |
4702 | ||
4703 | if (cxix < cxstack_ix) | |
4704 | dounwind(cxix); | |
4705 | ||
4706 | /* clear off anything above the scope we're re-entering */ | |
4707 | inner = PL_scopestack_ix; | |
4708 | TOPBLOCK(cx); | |
4709 | if (PL_scopestack_ix < inner) | |
4710 | leave_scope(PL_scopestack[PL_scopestack_ix]); | |
4711 | PL_curcop = cx->blk_oldcop; | |
4712 | ||
4713 | if (CxFOREACH(cx)) | |
022eaa24 | 4714 | return CX_LOOP_NEXTOP_GET(cx); |
0d863452 RH |
4715 | else |
4716 | return cx->blk_givwhen.leave_op; | |
4717 | } | |
4718 | ||
a1b95068 | 4719 | STATIC OP * |
cea2e8a9 | 4720 | S_doparseform(pTHX_ SV *sv) |
a0d0e21e LW |
4721 | { |
4722 | STRLEN len; | |
4723 | register char *s = SvPV_force(sv, len); | |
c445ea15 AL |
4724 | register char * const send = s + len; |
4725 | register char *base = NULL; | |
a0d0e21e | 4726 | register I32 skipspaces = 0; |
9c5ffd7c JH |
4727 | bool noblank = FALSE; |
4728 | bool repeat = FALSE; | |
a0d0e21e | 4729 | bool postspace = FALSE; |
dea28490 JJ |
4730 | U32 *fops; |
4731 | register U32 *fpc; | |
cbbf8932 | 4732 | U32 *linepc = NULL; |
a0d0e21e LW |
4733 | register I32 arg; |
4734 | bool ischop; | |
a1b95068 WL |
4735 | bool unchopnum = FALSE; |
4736 | int maxops = 12; /* FF_LINEMARK + FF_END + 10 (\0 without preceding \n) */ | |
a0d0e21e | 4737 | |
7918f24d NC |
4738 | PERL_ARGS_ASSERT_DOPARSEFORM; |
4739 | ||
55497cff | 4740 | if (len == 0) |
cea2e8a9 | 4741 | Perl_croak(aTHX_ "Null picture in formline"); |
ac27b0f5 | 4742 | |
815f25c6 DM |
4743 | /* estimate the buffer size needed */ |
4744 | for (base = s; s <= send; s++) { | |
a1b95068 | 4745 | if (*s == '\n' || *s == '@' || *s == '^') |
815f25c6 DM |
4746 | maxops += 10; |
4747 | } | |
4748 | s = base; | |
c445ea15 | 4749 | base = NULL; |
815f25c6 | 4750 | |
a02a5408 | 4751 | Newx(fops, maxops, U32); |
a0d0e21e LW |
4752 | fpc = fops; |
4753 | ||
4754 | if (s < send) { | |
4755 | linepc = fpc; | |
4756 | *fpc++ = FF_LINEMARK; | |
4757 | noblank = repeat = FALSE; | |
4758 | base = s; | |
4759 | } | |
4760 | ||
4761 | while (s <= send) { | |
4762 | switch (*s++) { | |
4763 | default: | |
4764 | skipspaces = 0; | |
4765 | continue; | |
4766 | ||
4767 | case '~': | |
4768 | if (*s == '~') { | |
4769 | repeat = TRUE; | |
4770 | *s = ' '; | |
4771 | } | |
4772 | noblank = TRUE; | |
4773 | s[-1] = ' '; | |
4774 | /* FALL THROUGH */ | |
4775 | case ' ': case '\t': | |
4776 | skipspaces++; | |
4777 | continue; | |
a1b95068 WL |
4778 | case 0: |
4779 | if (s < send) { | |
4780 | skipspaces = 0; | |
4781 | continue; | |
4782 | } /* else FALL THROUGH */ | |
4783 | case '\n': | |
a0d0e21e LW |
4784 | arg = s - base; |
4785 | skipspaces++; | |
4786 | arg -= skipspaces; | |
4787 | if (arg) { | |
5f05dabc | 4788 | if (postspace) |
a0d0e21e | 4789 | *fpc++ = FF_SPACE; |
a0d0e21e | 4790 | *fpc++ = FF_LITERAL; |
eb160463 | 4791 | *fpc++ = (U16)arg; |
a0d0e21e | 4792 | } |
5f05dabc | 4793 | postspace = FALSE; |
a0d0e21e LW |
4794 | if (s <= send) |
4795 | skipspaces--; | |
4796 | if (skipspaces) { | |
4797 | *fpc++ = FF_SKIP; | |
eb160463 | 4798 | *fpc++ = (U16)skipspaces; |
a0d0e21e LW |
4799 | } |
4800 | skipspaces = 0; | |
4801 | if (s <= send) | |
4802 | *fpc++ = FF_NEWLINE; | |
4803 | if (noblank) { | |
4804 | *fpc++ = FF_BLANK; | |
4805 | if (repeat) | |
4806 | arg = fpc - linepc + 1; | |
4807 | else | |
4808 | arg = 0; | |
eb160463 | 4809 | *fpc++ = (U16)arg; |
a0d0e21e LW |
4810 | } |
4811 | if (s < send) { | |
4812 | linepc = fpc; | |
4813 | *fpc++ = FF_LINEMARK; | |
4814 | noblank = repeat = FALSE; | |
4815 | base = s; | |
4816 | } | |
4817 | else | |
4818 | s++; | |
4819 | continue; | |
4820 | ||
4821 | case '@': | |
4822 | case '^': | |
4823 | ischop = s[-1] == '^'; | |
4824 | ||
4825 | if (postspace) { | |
4826 | *fpc++ = FF_SPACE; | |
4827 | postspace = FALSE; | |
4828 | } | |
4829 | arg = (s - base) - 1; | |
4830 | if (arg) { | |
4831 | *fpc++ = FF_LITERAL; | |
eb160463 | 4832 | *fpc++ = (U16)arg; |
a0d0e21e LW |
4833 | } |
4834 | ||
4835 | base = s - 1; | |
4836 | *fpc++ = FF_FETCH; | |
4837 | if (*s == '*') { | |
4838 | s++; | |
a1b95068 WL |
4839 | *fpc++ = 2; /* skip the @* or ^* */ |
4840 | if (ischop) { | |
4841 | *fpc++ = FF_LINESNGL; | |
4842 | *fpc++ = FF_CHOP; | |
4843 | } else | |
4844 | *fpc++ = FF_LINEGLOB; | |
a0d0e21e LW |
4845 | } |
4846 | else if (*s == '#' || (*s == '.' && s[1] == '#')) { | |
4847 | arg = ischop ? 512 : 0; | |
4848 | base = s - 1; | |
4849 | while (*s == '#') | |
4850 | s++; | |
4851 | if (*s == '.') { | |
06b5626a | 4852 | const char * const f = ++s; |
a0d0e21e LW |
4853 | while (*s == '#') |
4854 | s++; | |
4855 | arg |= 256 + (s - f); | |
4856 | } | |
4857 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
4858 | *fpc++ = FF_DECIMAL; | |
eb160463 | 4859 | *fpc++ = (U16)arg; |
a1b95068 | 4860 | unchopnum |= ! ischop; |
784707d5 JP |
4861 | } |
4862 | else if (*s == '0' && s[1] == '#') { /* Zero padded decimals */ | |
4863 | arg = ischop ? 512 : 0; | |
4864 | base = s - 1; | |
4865 | s++; /* skip the '0' first */ | |
4866 | while (*s == '#') | |
4867 | s++; | |
4868 | if (*s == '.') { | |
06b5626a | 4869 | const char * const f = ++s; |
784707d5 JP |
4870 | while (*s == '#') |
4871 | s++; | |
4872 | arg |= 256 + (s - f); | |
4873 | } | |
4874 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
4875 | *fpc++ = FF_0DECIMAL; | |
eb160463 | 4876 | *fpc++ = (U16)arg; |
a1b95068 | 4877 | unchopnum |= ! ischop; |
a0d0e21e LW |
4878 | } |
4879 | else { | |
4880 | I32 prespace = 0; | |
4881 | bool ismore = FALSE; | |
4882 | ||
4883 | if (*s == '>') { | |
4884 | while (*++s == '>') ; | |
4885 | prespace = FF_SPACE; | |
4886 | } | |
4887 | else if (*s == '|') { | |
4888 | while (*++s == '|') ; | |
4889 | prespace = FF_HALFSPACE; | |
4890 | postspace = TRUE; | |
4891 | } | |
4892 | else { | |
4893 | if (*s == '<') | |
4894 | while (*++s == '<') ; | |
4895 | postspace = TRUE; | |
4896 | } | |
4897 | if (*s == '.' && s[1] == '.' && s[2] == '.') { | |
4898 | s += 3; | |
4899 | ismore = TRUE; | |
4900 | } | |
4901 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
4902 | ||
4903 | *fpc++ = ischop ? FF_CHECKCHOP : FF_CHECKNL; | |
4904 | ||
4905 | if (prespace) | |
eb160463 | 4906 | *fpc++ = (U16)prespace; |
a0d0e21e LW |
4907 | *fpc++ = FF_ITEM; |
4908 | if (ismore) | |
4909 | *fpc++ = FF_MORE; | |
4910 | if (ischop) | |
4911 | *fpc++ = FF_CHOP; | |
4912 | } | |
4913 | base = s; | |
4914 | skipspaces = 0; | |
4915 | continue; | |
4916 | } | |
4917 | } | |
4918 | *fpc++ = FF_END; | |
4919 | ||
815f25c6 | 4920 | assert (fpc <= fops + maxops); /* ensure our buffer estimate was valid */ |
a0d0e21e LW |
4921 | arg = fpc - fops; |
4922 | { /* need to jump to the next word */ | |
4923 | int z; | |
4924 | z = WORD_ALIGN - SvCUR(sv) % WORD_ALIGN; | |
dea28490 | 4925 | SvGROW(sv, SvCUR(sv) + z + arg * sizeof(U32) + 4); |
a0d0e21e LW |
4926 | s = SvPVX(sv) + SvCUR(sv) + z; |
4927 | } | |
dea28490 | 4928 | Copy(fops, s, arg, U32); |
a0d0e21e | 4929 | Safefree(fops); |
c445ea15 | 4930 | sv_magic(sv, NULL, PERL_MAGIC_fm, NULL, 0); |
a0d0e21e | 4931 | SvCOMPILED_on(sv); |
a1b95068 | 4932 | |
bfed75c6 | 4933 | if (unchopnum && repeat) |
a1b95068 WL |
4934 | DIE(aTHX_ "Repeated format line will never terminate (~~ and @#)"); |
4935 | return 0; | |
4936 | } | |
4937 | ||
4938 | ||
4939 | STATIC bool | |
4940 | S_num_overflow(NV value, I32 fldsize, I32 frcsize) | |
4941 | { | |
4942 | /* Can value be printed in fldsize chars, using %*.*f ? */ | |
4943 | NV pwr = 1; | |
4944 | NV eps = 0.5; | |
4945 | bool res = FALSE; | |
4946 | int intsize = fldsize - (value < 0 ? 1 : 0); | |
4947 | ||
4948 | if (frcsize & 256) | |
4949 | intsize--; | |
4950 | frcsize &= 255; | |
4951 | intsize -= frcsize; | |
4952 | ||
4953 | while (intsize--) pwr *= 10.0; | |
4954 | while (frcsize--) eps /= 10.0; | |
4955 | ||
4956 | if( value >= 0 ){ | |
4957 | if (value + eps >= pwr) | |
4958 | res = TRUE; | |
4959 | } else { | |
4960 | if (value - eps <= -pwr) | |
4961 | res = TRUE; | |
4962 | } | |
4963 | return res; | |
a0d0e21e | 4964 | } |
4e35701f | 4965 | |
bbed91b5 | 4966 | static I32 |
0bd48802 | 4967 | S_run_user_filter(pTHX_ int idx, SV *buf_sv, int maxlen) |
bbed91b5 | 4968 | { |
27da23d5 | 4969 | dVAR; |
0bd48802 | 4970 | SV * const datasv = FILTER_DATA(idx); |
504618e9 | 4971 | const int filter_has_file = IoLINES(datasv); |
ad64d0ec NC |
4972 | SV * const filter_state = MUTABLE_SV(IoTOP_GV(datasv)); |
4973 | SV * const filter_sub = MUTABLE_SV(IoBOTTOM_GV(datasv)); | |
941a98a0 | 4974 | int status = 0; |
ec0b63d7 | 4975 | SV *upstream; |
941a98a0 | 4976 | STRLEN got_len; |
162177c1 Z |
4977 | char *got_p = NULL; |
4978 | char *prune_from = NULL; | |
34113e50 | 4979 | bool read_from_cache = FALSE; |
bb7a0f54 MHM |
4980 | STRLEN umaxlen; |
4981 | ||
7918f24d NC |
4982 | PERL_ARGS_ASSERT_RUN_USER_FILTER; |
4983 | ||
bb7a0f54 MHM |
4984 | assert(maxlen >= 0); |
4985 | umaxlen = maxlen; | |
5675696b | 4986 | |
bbed91b5 KF |
4987 | /* I was having segfault trouble under Linux 2.2.5 after a |
4988 | parse error occured. (Had to hack around it with a test | |
13765c85 | 4989 | for PL_parser->error_count == 0.) Solaris doesn't segfault -- |
bbed91b5 KF |
4990 | not sure where the trouble is yet. XXX */ |
4991 | ||
4464f08e NC |
4992 | { |
4993 | SV *const cache = datasv; | |
937b367d NC |
4994 | if (SvOK(cache)) { |
4995 | STRLEN cache_len; | |
4996 | const char *cache_p = SvPV(cache, cache_len); | |
941a98a0 NC |
4997 | STRLEN take = 0; |
4998 | ||
bb7a0f54 | 4999 | if (umaxlen) { |
941a98a0 NC |
5000 | /* Running in block mode and we have some cached data already. |
5001 | */ | |
bb7a0f54 | 5002 | if (cache_len >= umaxlen) { |
941a98a0 NC |
5003 | /* In fact, so much data we don't even need to call |
5004 | filter_read. */ | |
bb7a0f54 | 5005 | take = umaxlen; |
941a98a0 NC |
5006 | } |
5007 | } else { | |
10edeb5d JH |
5008 | const char *const first_nl = |
5009 | (const char *)memchr(cache_p, '\n', cache_len); | |
941a98a0 NC |
5010 | if (first_nl) { |
5011 | take = first_nl + 1 - cache_p; | |
5012 | } | |
5013 | } | |
5014 | if (take) { | |
5015 | sv_catpvn(buf_sv, cache_p, take); | |
5016 | sv_chop(cache, cache_p + take); | |
937b367d NC |
5017 | /* Definately not EOF */ |
5018 | return 1; | |
5019 | } | |
941a98a0 | 5020 | |
937b367d | 5021 | sv_catsv(buf_sv, cache); |
bb7a0f54 MHM |
5022 | if (umaxlen) { |
5023 | umaxlen -= cache_len; | |
941a98a0 | 5024 | } |
937b367d | 5025 | SvOK_off(cache); |
34113e50 | 5026 | read_from_cache = TRUE; |
937b367d NC |
5027 | } |
5028 | } | |
ec0b63d7 | 5029 | |
34113e50 NC |
5030 | /* Filter API says that the filter appends to the contents of the buffer. |
5031 | Usually the buffer is "", so the details don't matter. But if it's not, | |
5032 | then clearly what it contains is already filtered by this filter, so we | |
5033 | don't want to pass it in a second time. | |
5034 | I'm going to use a mortal in case the upstream filter croaks. */ | |
ec0b63d7 NC |
5035 | upstream = ((SvOK(buf_sv) && sv_len(buf_sv)) || SvGMAGICAL(buf_sv)) |
5036 | ? sv_newmortal() : buf_sv; | |
5037 | SvUPGRADE(upstream, SVt_PV); | |
937b367d | 5038 | |
bbed91b5 | 5039 | if (filter_has_file) { |
67e70b33 | 5040 | status = FILTER_READ(idx+1, upstream, 0); |
bbed91b5 KF |
5041 | } |
5042 | ||
34113e50 | 5043 | if (filter_sub && status >= 0) { |
39644a26 | 5044 | dSP; |
bbed91b5 KF |
5045 | int count; |
5046 | ||
d343c3ef | 5047 | ENTER_with_name("call_filter_sub"); |
bbed91b5 KF |
5048 | SAVE_DEFSV; |
5049 | SAVETMPS; | |
5050 | EXTEND(SP, 2); | |
5051 | ||
414bf5ae | 5052 | DEFSV_set(upstream); |
bbed91b5 | 5053 | PUSHMARK(SP); |
6e449a3a | 5054 | mPUSHi(0); |
bbed91b5 KF |
5055 | if (filter_state) { |
5056 | PUSHs(filter_state); | |
5057 | } | |
5058 | PUTBACK; | |
5059 | count = call_sv(filter_sub, G_SCALAR); | |
5060 | SPAGAIN; | |
5061 | ||
5062 | if (count > 0) { | |
5063 | SV *out = POPs; | |
5064 | if (SvOK(out)) { | |
941a98a0 | 5065 | status = SvIV(out); |
bbed91b5 KF |
5066 | } |
5067 | } | |
5068 | ||
5069 | PUTBACK; | |
5070 | FREETMPS; | |
d343c3ef | 5071 | LEAVE_with_name("call_filter_sub"); |
bbed91b5 KF |
5072 | } |
5073 | ||
941a98a0 NC |
5074 | if(SvOK(upstream)) { |
5075 | got_p = SvPV(upstream, got_len); | |
bb7a0f54 MHM |
5076 | if (umaxlen) { |
5077 | if (got_len > umaxlen) { | |
5078 | prune_from = got_p + umaxlen; | |
937b367d | 5079 | } |
941a98a0 | 5080 | } else { |
162177c1 | 5081 | char *const first_nl = (char *)memchr(got_p, '\n', got_len); |
941a98a0 NC |
5082 | if (first_nl && first_nl + 1 < got_p + got_len) { |
5083 | /* There's a second line here... */ | |
5084 | prune_from = first_nl + 1; | |
937b367d | 5085 | } |
937b367d NC |
5086 | } |
5087 | } | |
941a98a0 NC |
5088 | if (prune_from) { |
5089 | /* Oh. Too long. Stuff some in our cache. */ | |
5090 | STRLEN cached_len = got_p + got_len - prune_from; | |
4464f08e | 5091 | SV *const cache = datasv; |
941a98a0 | 5092 | |
4464f08e | 5093 | if (SvOK(cache)) { |
941a98a0 NC |
5094 | /* Cache should be empty. */ |
5095 | assert(!SvCUR(cache)); | |
5096 | } | |
5097 | ||
5098 | sv_setpvn(cache, prune_from, cached_len); | |
5099 | /* If you ask for block mode, you may well split UTF-8 characters. | |
5100 | "If it breaks, you get to keep both parts" | |
5101 | (Your code is broken if you don't put them back together again | |
5102 | before something notices.) */ | |
5103 | if (SvUTF8(upstream)) { | |
5104 | SvUTF8_on(cache); | |
5105 | } | |
5106 | SvCUR_set(upstream, got_len - cached_len); | |
162177c1 | 5107 | *prune_from = 0; |
941a98a0 NC |
5108 | /* Can't yet be EOF */ |
5109 | if (status == 0) | |
5110 | status = 1; | |
5111 | } | |
937b367d | 5112 | |
34113e50 NC |
5113 | /* If they are at EOF but buf_sv has something in it, then they may never |
5114 | have touched the SV upstream, so it may be undefined. If we naively | |
5115 | concatenate it then we get a warning about use of uninitialised value. | |
5116 | */ | |
5117 | if (upstream != buf_sv && (SvOK(upstream) || SvGMAGICAL(upstream))) { | |
937b367d NC |
5118 | sv_catsv(buf_sv, upstream); |
5119 | } | |
5120 | ||
941a98a0 | 5121 | if (status <= 0) { |
bbed91b5 | 5122 | IoLINES(datasv) = 0; |
bbed91b5 KF |
5123 | if (filter_state) { |
5124 | SvREFCNT_dec(filter_state); | |
a0714e2c | 5125 | IoTOP_GV(datasv) = NULL; |
bbed91b5 KF |
5126 | } |
5127 | if (filter_sub) { | |
5128 | SvREFCNT_dec(filter_sub); | |
a0714e2c | 5129 | IoBOTTOM_GV(datasv) = NULL; |
bbed91b5 | 5130 | } |
0bd48802 | 5131 | filter_del(S_run_user_filter); |
bbed91b5 | 5132 | } |
34113e50 NC |
5133 | if (status == 0 && read_from_cache) { |
5134 | /* If we read some data from the cache (and by getting here it implies | |
5135 | that we emptied the cache) then we aren't yet at EOF, and mustn't | |
5136 | report that to our caller. */ | |
5137 | return 1; | |
5138 | } | |
941a98a0 | 5139 | return status; |
bbed91b5 | 5140 | } |
84d4ea48 | 5141 | |
be4b629d CN |
5142 | /* perhaps someone can come up with a better name for |
5143 | this? it is not really "absolute", per se ... */ | |
cf42f822 | 5144 | static bool |
5f66b61c | 5145 | S_path_is_absolute(const char *name) |
be4b629d | 5146 | { |
7918f24d NC |
5147 | PERL_ARGS_ASSERT_PATH_IS_ABSOLUTE; |
5148 | ||
be4b629d | 5149 | if (PERL_FILE_IS_ABSOLUTE(name) |
3f66cd94 | 5150 | #ifdef WIN32 |
36f064bc CL |
5151 | || (*name == '.' && ((name[1] == '/' || |
5152 | (name[1] == '.' && name[2] == '/')) | |
5153 | || (name[1] == '\\' || | |
5154 | ( name[1] == '.' && name[2] == '\\'))) | |
5155 | ) | |
5156 | #else | |
be4b629d | 5157 | || (*name == '.' && (name[1] == '/' || |
0bd48802 | 5158 | (name[1] == '.' && name[2] == '/'))) |
36f064bc | 5159 | #endif |
0bd48802 | 5160 | ) |
be4b629d CN |
5161 | { |
5162 | return TRUE; | |
5163 | } | |
5164 | else | |
5165 | return FALSE; | |
5166 | } | |
241d1a3b NC |
5167 | |
5168 | /* | |
5169 | * Local variables: | |
5170 | * c-indentation-style: bsd | |
5171 | * c-basic-offset: 4 | |
5172 | * indent-tabs-mode: t | |
5173 | * End: | |
5174 | * | |
37442d52 RGS |
5175 | * ex: set ts=8 sts=4 sw=4 noet: |
5176 | */ |