Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* pp_ctl.c |
2 | * | |
4bb101f2 | 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
fdf8c088 | 4 | * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 by Larry Wall and others |
a0d0e21e LW |
5 | * |
6 | * You may distribute under the terms of either the GNU General Public | |
7 | * License or the Artistic License, as specified in the README file. | |
8 | * | |
9 | */ | |
10 | ||
11 | /* | |
12 | * Now far ahead the Road has gone, | |
13 | * And I must follow, if I can, | |
14 | * Pursuing it with eager feet, | |
15 | * Until it joins some larger way | |
16 | * Where many paths and errands meet. | |
17 | * And whither then? I cannot say. | |
18 | */ | |
19 | ||
166f8a29 DM |
20 | /* This file contains control-oriented pp ("push/pop") functions that |
21 | * execute the opcodes that make up a perl program. A typical pp function | |
22 | * expects to find its arguments on the stack, and usually pushes its | |
23 | * results onto the stack, hence the 'pp' terminology. Each OP structure | |
24 | * contains a pointer to the relevant pp_foo() function. | |
25 | * | |
26 | * Control-oriented means things like pp_enteriter() and pp_next(), which | |
27 | * alter the flow of control of the program. | |
28 | */ | |
29 | ||
30 | ||
a0d0e21e | 31 | #include "EXTERN.h" |
864dbfa3 | 32 | #define PERL_IN_PP_CTL_C |
a0d0e21e LW |
33 | #include "perl.h" |
34 | ||
35 | #ifndef WORD_ALIGN | |
dea28490 | 36 | #define WORD_ALIGN sizeof(U32) |
a0d0e21e LW |
37 | #endif |
38 | ||
54310121 | 39 | #define DOCATCH(o) ((CATCH_GET == TRUE) ? docatch(o) : (o)) |
1e422769 | 40 | |
94fcd414 NC |
41 | #define dopoptosub(plop) dopoptosub_at(cxstack, (plop)) |
42 | ||
a0d0e21e LW |
43 | PP(pp_wantarray) |
44 | { | |
97aff369 | 45 | dVAR; |
39644a26 | 46 | dSP; |
a0d0e21e LW |
47 | I32 cxix; |
48 | EXTEND(SP, 1); | |
49 | ||
50 | cxix = dopoptosub(cxstack_ix); | |
51 | if (cxix < 0) | |
52 | RETPUSHUNDEF; | |
53 | ||
54310121 | 54 | switch (cxstack[cxix].blk_gimme) { |
55 | case G_ARRAY: | |
a0d0e21e | 56 | RETPUSHYES; |
54310121 | 57 | case G_SCALAR: |
a0d0e21e | 58 | RETPUSHNO; |
54310121 | 59 | default: |
60 | RETPUSHUNDEF; | |
61 | } | |
a0d0e21e LW |
62 | } |
63 | ||
2cd61cdb IZ |
64 | PP(pp_regcreset) |
65 | { | |
97aff369 | 66 | dVAR; |
2cd61cdb IZ |
67 | /* XXXX Should store the old value to allow for tie/overload - and |
68 | restore in regcomp, where marked with XXXX. */ | |
3280af22 | 69 | PL_reginterp_cnt = 0; |
0b4182de | 70 | TAINT_NOT; |
2cd61cdb IZ |
71 | return NORMAL; |
72 | } | |
73 | ||
b3eb6a9b GS |
74 | PP(pp_regcomp) |
75 | { | |
97aff369 | 76 | dVAR; |
39644a26 | 77 | dSP; |
a0d0e21e | 78 | register PMOP *pm = (PMOP*)cLOGOP->op_other; |
a0d0e21e | 79 | SV *tmpstr; |
84679df5 | 80 | REGEXP *re = NULL; |
bfed75c6 | 81 | |
4b5a0d1c | 82 | /* prevent recompiling under /o and ithreads. */ |
3db8f154 | 83 | #if defined(USE_ITHREADS) |
131b3ad0 DM |
84 | if (pm->op_pmflags & PMf_KEEP && PM_GETRE(pm)) { |
85 | if (PL_op->op_flags & OPf_STACKED) { | |
86 | dMARK; | |
87 | SP = MARK; | |
88 | } | |
89 | else | |
90 | (void)POPs; | |
91 | RETURN; | |
92 | } | |
513629ba | 93 | #endif |
131b3ad0 DM |
94 | if (PL_op->op_flags & OPf_STACKED) { |
95 | /* multiple args; concatentate them */ | |
96 | dMARK; dORIGMARK; | |
97 | tmpstr = PAD_SV(ARGTARG); | |
98 | sv_setpvn(tmpstr, "", 0); | |
99 | while (++MARK <= SP) { | |
100 | if (PL_amagic_generation) { | |
101 | SV *sv; | |
102 | if ((SvAMAGIC(tmpstr) || SvAMAGIC(*MARK)) && | |
103 | (sv = amagic_call(tmpstr, *MARK, concat_amg, AMGf_assign))) | |
104 | { | |
105 | sv_setsv(tmpstr, sv); | |
106 | continue; | |
107 | } | |
108 | } | |
109 | sv_catsv(tmpstr, *MARK); | |
110 | } | |
111 | SvSETMAGIC(tmpstr); | |
112 | SP = ORIGMARK; | |
113 | } | |
114 | else | |
115 | tmpstr = POPs; | |
513629ba | 116 | |
b3eb6a9b | 117 | if (SvROK(tmpstr)) { |
d8f6592e | 118 | SV * const sv = SvRV(tmpstr); |
5c35adbb | 119 | if (SvTYPE(sv) == SVt_REGEXP) |
d2f13c59 | 120 | re = (REGEXP*) sv; |
c277df42 | 121 | } |
5c35adbb NC |
122 | if (re) { |
123 | re = reg_temp_copy(re); | |
aaa362c4 | 124 | ReREFCNT_dec(PM_GETRE(pm)); |
28d8d7f4 | 125 | PM_SETRE(pm, re); |
c277df42 IZ |
126 | } |
127 | else { | |
e62f0680 | 128 | STRLEN len; |
3ab4a224 | 129 | const char *t = SvOK(tmpstr) ? SvPV_const(tmpstr, len) : ""; |
c737faaf | 130 | re = PM_GETRE(pm); |
14a49a24 | 131 | assert (re != (REGEXP*) &PL_sv_undef); |
c277df42 | 132 | |
20408e3c | 133 | /* Check against the last compiled regexp. */ |
a11c8683 | 134 | if (!re || !RX_PRECOMP(re) || RX_PRELEN(re) != len || |
220fc49f | 135 | memNE(RX_PRECOMP(re), t, len)) |
85aff577 | 136 | { |
07bc277f | 137 | const regexp_engine *eng = re ? RX_ENGINE(re) : NULL; |
c737faaf | 138 | U32 pm_flags = pm->op_pmflags & PMf_COMPILETIME; |
d8f6592e AL |
139 | if (re) { |
140 | ReREFCNT_dec(re); | |
14a49a24 NC |
141 | #ifdef USE_ITHREADS |
142 | PM_SETRE(pm, (REGEXP*) &PL_sv_undef); | |
143 | #else | |
4608196e | 144 | PM_SETRE(pm, NULL); /* crucial if regcomp aborts */ |
14a49a24 | 145 | #endif |
1e2e3d02 YO |
146 | } else if (PL_curcop->cop_hints_hash) { |
147 | SV *ptr = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash, 0, | |
148 | "regcomp", 7, 0, 0); | |
149 | if (ptr && SvIOK(ptr) && SvIV(ptr)) | |
150 | eng = INT2PTR(regexp_engine*,SvIV(ptr)); | |
c277df42 | 151 | } |
664e119d | 152 | |
533c011a | 153 | if (PL_op->op_flags & OPf_SPECIAL) |
3280af22 | 154 | PL_reginterp_cnt = I32_MAX; /* Mark as safe. */ |
a0d0e21e | 155 | |
b9ad30b4 NC |
156 | if (DO_UTF8(tmpstr)) { |
157 | assert (SvUTF8(tmpstr)); | |
158 | } else if (SvUTF8(tmpstr)) { | |
159 | /* Not doing UTF-8, despite what the SV says. Is this only if | |
160 | we're trapped in use 'bytes'? */ | |
161 | /* Make a copy of the octet sequence, but without the flag on, | |
162 | as the compiler now honours the SvUTF8 flag on tmpstr. */ | |
163 | STRLEN len; | |
164 | const char *const p = SvPV(tmpstr, len); | |
165 | tmpstr = newSVpvn_flags(p, len, SVs_TEMP); | |
166 | } | |
c737faaf | 167 | |
3ab4a224 AB |
168 | if (eng) |
169 | PM_SETRE(pm, CALLREGCOMP_ENG(eng, tmpstr, pm_flags)); | |
170 | else | |
171 | PM_SETRE(pm, CALLREGCOMP(tmpstr, pm_flags)); | |
c737faaf | 172 | |
f86aaa29 | 173 | PL_reginterp_cnt = 0; /* XXXX Be extra paranoid - needed |
2cd61cdb | 174 | inside tie/overload accessors. */ |
c277df42 | 175 | } |
4633a7c4 | 176 | } |
c737faaf YO |
177 | |
178 | re = PM_GETRE(pm); | |
a0d0e21e | 179 | |
72311751 | 180 | #ifndef INCOMPLETE_TAINTS |
3280af22 NIS |
181 | if (PL_tainting) { |
182 | if (PL_tainted) | |
07bc277f | 183 | RX_EXTFLAGS(re) |= RXf_TAINTED; |
72311751 | 184 | else |
07bc277f | 185 | RX_EXTFLAGS(re) &= ~RXf_TAINTED; |
72311751 GS |
186 | } |
187 | #endif | |
188 | ||
220fc49f | 189 | if (!RX_PRELEN(PM_GETRE(pm)) && PL_curpm) |
3280af22 | 190 | pm = PL_curpm; |
a0d0e21e | 191 | |
c737faaf YO |
192 | |
193 | #if !defined(USE_ITHREADS) | |
194 | /* can't change the optree at runtime either */ | |
195 | /* PMf_KEEP is handled differently under threads to avoid these problems */ | |
a0d0e21e | 196 | if (pm->op_pmflags & PMf_KEEP) { |
c90c0ff4 | 197 | pm->op_private &= ~OPpRUNTIME; /* no point compiling again */ |
533c011a | 198 | cLOGOP->op_first->op_next = PL_op->op_next; |
a0d0e21e | 199 | } |
c737faaf | 200 | #endif |
a0d0e21e LW |
201 | RETURN; |
202 | } | |
203 | ||
204 | PP(pp_substcont) | |
205 | { | |
97aff369 | 206 | dVAR; |
39644a26 | 207 | dSP; |
c09156bb | 208 | register PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
901017d6 AL |
209 | register PMOP * const pm = (PMOP*) cLOGOP->op_other; |
210 | register SV * const dstr = cx->sb_dstr; | |
a0d0e21e LW |
211 | register char *s = cx->sb_s; |
212 | register char *m = cx->sb_m; | |
213 | char *orig = cx->sb_orig; | |
901017d6 | 214 | register REGEXP * const rx = cx->sb_rx; |
c445ea15 | 215 | SV *nsv = NULL; |
988e6e7e AE |
216 | REGEXP *old = PM_GETRE(pm); |
217 | if(old != rx) { | |
bfed75c6 | 218 | if(old) |
988e6e7e | 219 | ReREFCNT_dec(old); |
d6106309 | 220 | PM_SETRE(pm,ReREFCNT_inc(rx)); |
d8f2cf8a AB |
221 | } |
222 | ||
d9f97599 | 223 | rxres_restore(&cx->sb_rxres, rx); |
01b35787 | 224 | RX_MATCH_UTF8_set(rx, DO_UTF8(cx->sb_targ)); |
c90c0ff4 | 225 | |
a0d0e21e | 226 | if (cx->sb_iters++) { |
a3b680e6 | 227 | const I32 saviters = cx->sb_iters; |
a0d0e21e | 228 | if (cx->sb_iters > cx->sb_maxiters) |
cea2e8a9 | 229 | DIE(aTHX_ "Substitution loop"); |
a0d0e21e | 230 | |
48c036b1 GS |
231 | if (!(cx->sb_rxtainted & 2) && SvTAINTED(TOPs)) |
232 | cx->sb_rxtainted |= 2; | |
a0d0e21e | 233 | sv_catsv(dstr, POPs); |
8ff629d9 | 234 | FREETMPS; /* Prevent excess tmp stack */ |
a0d0e21e LW |
235 | |
236 | /* Are we done */ | |
c5bed6a7 | 237 | if (CxONCE(cx) || !CALLREGEXEC(rx, s, cx->sb_strend, orig, |
9661b544 | 238 | s == m, cx->sb_targ, NULL, |
22e551b9 | 239 | ((cx->sb_rflags & REXEC_COPY_STR) |
cf93c79d IZ |
240 | ? (REXEC_IGNOREPOS|REXEC_NOT_FIRST) |
241 | : (REXEC_COPY_STR|REXEC_IGNOREPOS|REXEC_NOT_FIRST)))) | |
a0d0e21e | 242 | { |
823a54a3 | 243 | SV * const targ = cx->sb_targ; |
748a9306 | 244 | |
078c425b JH |
245 | assert(cx->sb_strend >= s); |
246 | if(cx->sb_strend > s) { | |
247 | if (DO_UTF8(dstr) && !SvUTF8(targ)) | |
248 | sv_catpvn_utf8_upgrade(dstr, s, cx->sb_strend - s, nsv); | |
249 | else | |
250 | sv_catpvn(dstr, s, cx->sb_strend - s); | |
251 | } | |
48c036b1 | 252 | cx->sb_rxtainted |= RX_MATCH_TAINTED(rx); |
9212bbba | 253 | |
f8c7b90f | 254 | #ifdef PERL_OLD_COPY_ON_WRITE |
ed252734 NC |
255 | if (SvIsCOW(targ)) { |
256 | sv_force_normal_flags(targ, SV_COW_DROP_PV); | |
257 | } else | |
258 | #endif | |
259 | { | |
8bd4d4c5 | 260 | SvPV_free(targ); |
ed252734 | 261 | } |
f880fe2f | 262 | SvPV_set(targ, SvPVX(dstr)); |
748a9306 LW |
263 | SvCUR_set(targ, SvCUR(dstr)); |
264 | SvLEN_set(targ, SvLEN(dstr)); | |
1aa99e6b IH |
265 | if (DO_UTF8(dstr)) |
266 | SvUTF8_on(targ); | |
6136c704 | 267 | SvPV_set(dstr, NULL); |
48c036b1 GS |
268 | |
269 | TAINT_IF(cx->sb_rxtainted & 1); | |
6e449a3a | 270 | mPUSHi(saviters - 1); |
48c036b1 | 271 | |
ffc61ed2 | 272 | (void)SvPOK_only_UTF8(targ); |
48c036b1 | 273 | TAINT_IF(cx->sb_rxtainted); |
a0d0e21e | 274 | SvSETMAGIC(targ); |
9212bbba | 275 | SvTAINT(targ); |
5cd24f17 | 276 | |
4633a7c4 | 277 | LEAVE_SCOPE(cx->sb_oldsave); |
a0d0e21e LW |
278 | POPSUBST(cx); |
279 | RETURNOP(pm->op_next); | |
280 | } | |
8e5e9ebe | 281 | cx->sb_iters = saviters; |
a0d0e21e | 282 | } |
07bc277f | 283 | if (RX_MATCH_COPIED(rx) && RX_SUBBEG(rx) != orig) { |
a0d0e21e LW |
284 | m = s; |
285 | s = orig; | |
07bc277f | 286 | cx->sb_orig = orig = RX_SUBBEG(rx); |
a0d0e21e LW |
287 | s = orig + (m - s); |
288 | cx->sb_strend = s + (cx->sb_strend - m); | |
289 | } | |
07bc277f | 290 | cx->sb_m = m = RX_OFFS(rx)[0].start + orig; |
db79b45b | 291 | if (m > s) { |
bfed75c6 | 292 | if (DO_UTF8(dstr) && !SvUTF8(cx->sb_targ)) |
db79b45b JH |
293 | sv_catpvn_utf8_upgrade(dstr, s, m - s, nsv); |
294 | else | |
295 | sv_catpvn(dstr, s, m-s); | |
296 | } | |
07bc277f | 297 | cx->sb_s = RX_OFFS(rx)[0].end + orig; |
084916e3 | 298 | { /* Update the pos() information. */ |
44f8325f | 299 | SV * const sv = cx->sb_targ; |
084916e3 JH |
300 | MAGIC *mg; |
301 | I32 i; | |
7a7f3e45 | 302 | SvUPGRADE(sv, SVt_PVMG); |
14befaf4 | 303 | if (!(mg = mg_find(sv, PERL_MAGIC_regex_global))) { |
d83f0a82 | 304 | #ifdef PERL_OLD_COPY_ON_WRITE |
51a9ea20 | 305 | if (SvIsCOW(sv)) |
d83f0a82 NC |
306 | sv_force_normal_flags(sv, 0); |
307 | #endif | |
308 | mg = sv_magicext(sv, NULL, PERL_MAGIC_regex_global, &PL_vtbl_mglob, | |
309 | NULL, 0); | |
084916e3 JH |
310 | } |
311 | i = m - orig; | |
312 | if (DO_UTF8(sv)) | |
313 | sv_pos_b2u(sv, &i); | |
314 | mg->mg_len = i; | |
315 | } | |
988e6e7e | 316 | if (old != rx) |
d6106309 | 317 | (void)ReREFCNT_inc(rx); |
d9f97599 GS |
318 | cx->sb_rxtainted |= RX_MATCH_TAINTED(rx); |
319 | rxres_save(&cx->sb_rxres, rx); | |
29f2e912 | 320 | RETURNOP(pm->op_pmstashstartu.op_pmreplstart); |
a0d0e21e LW |
321 | } |
322 | ||
c90c0ff4 | 323 | void |
864dbfa3 | 324 | Perl_rxres_save(pTHX_ void **rsp, REGEXP *rx) |
c90c0ff4 | 325 | { |
326 | UV *p = (UV*)*rsp; | |
327 | U32 i; | |
7918f24d NC |
328 | |
329 | PERL_ARGS_ASSERT_RXRES_SAVE; | |
96a5add6 | 330 | PERL_UNUSED_CONTEXT; |
c90c0ff4 | 331 | |
07bc277f | 332 | if (!p || p[1] < RX_NPARENS(rx)) { |
f8c7b90f | 333 | #ifdef PERL_OLD_COPY_ON_WRITE |
07bc277f | 334 | i = 7 + RX_NPARENS(rx) * 2; |
ed252734 | 335 | #else |
07bc277f | 336 | i = 6 + RX_NPARENS(rx) * 2; |
ed252734 | 337 | #endif |
c90c0ff4 | 338 | if (!p) |
a02a5408 | 339 | Newx(p, i, UV); |
c90c0ff4 | 340 | else |
341 | Renew(p, i, UV); | |
342 | *rsp = (void*)p; | |
343 | } | |
344 | ||
07bc277f | 345 | *p++ = PTR2UV(RX_MATCH_COPIED(rx) ? RX_SUBBEG(rx) : NULL); |
cf93c79d | 346 | RX_MATCH_COPIED_off(rx); |
c90c0ff4 | 347 | |
f8c7b90f | 348 | #ifdef PERL_OLD_COPY_ON_WRITE |
bdd9a1b1 NC |
349 | *p++ = PTR2UV(RX_SAVED_COPY(rx)); |
350 | RX_SAVED_COPY(rx) = NULL; | |
ed252734 NC |
351 | #endif |
352 | ||
07bc277f | 353 | *p++ = RX_NPARENS(rx); |
c90c0ff4 | 354 | |
07bc277f NC |
355 | *p++ = PTR2UV(RX_SUBBEG(rx)); |
356 | *p++ = (UV)RX_SUBLEN(rx); | |
357 | for (i = 0; i <= RX_NPARENS(rx); ++i) { | |
358 | *p++ = (UV)RX_OFFS(rx)[i].start; | |
359 | *p++ = (UV)RX_OFFS(rx)[i].end; | |
c90c0ff4 | 360 | } |
361 | } | |
362 | ||
363 | void | |
864dbfa3 | 364 | Perl_rxres_restore(pTHX_ void **rsp, REGEXP *rx) |
c90c0ff4 | 365 | { |
366 | UV *p = (UV*)*rsp; | |
367 | U32 i; | |
7918f24d NC |
368 | |
369 | PERL_ARGS_ASSERT_RXRES_RESTORE; | |
96a5add6 | 370 | PERL_UNUSED_CONTEXT; |
c90c0ff4 | 371 | |
ed252734 | 372 | RX_MATCH_COPY_FREE(rx); |
cf93c79d | 373 | RX_MATCH_COPIED_set(rx, *p); |
c90c0ff4 | 374 | *p++ = 0; |
375 | ||
f8c7b90f | 376 | #ifdef PERL_OLD_COPY_ON_WRITE |
bdd9a1b1 NC |
377 | if (RX_SAVED_COPY(rx)) |
378 | SvREFCNT_dec (RX_SAVED_COPY(rx)); | |
379 | RX_SAVED_COPY(rx) = INT2PTR(SV*,*p); | |
ed252734 NC |
380 | *p++ = 0; |
381 | #endif | |
382 | ||
07bc277f | 383 | RX_NPARENS(rx) = *p++; |
c90c0ff4 | 384 | |
07bc277f NC |
385 | RX_SUBBEG(rx) = INT2PTR(char*,*p++); |
386 | RX_SUBLEN(rx) = (I32)(*p++); | |
387 | for (i = 0; i <= RX_NPARENS(rx); ++i) { | |
388 | RX_OFFS(rx)[i].start = (I32)(*p++); | |
389 | RX_OFFS(rx)[i].end = (I32)(*p++); | |
c90c0ff4 | 390 | } |
391 | } | |
392 | ||
393 | void | |
864dbfa3 | 394 | Perl_rxres_free(pTHX_ void **rsp) |
c90c0ff4 | 395 | { |
44f8325f | 396 | UV * const p = (UV*)*rsp; |
7918f24d NC |
397 | |
398 | PERL_ARGS_ASSERT_RXRES_FREE; | |
96a5add6 | 399 | PERL_UNUSED_CONTEXT; |
c90c0ff4 | 400 | |
401 | if (p) { | |
94010e71 NC |
402 | #ifdef PERL_POISON |
403 | void *tmp = INT2PTR(char*,*p); | |
404 | Safefree(tmp); | |
405 | if (*p) | |
7e337ee0 | 406 | PoisonFree(*p, 1, sizeof(*p)); |
94010e71 | 407 | #else |
56431972 | 408 | Safefree(INT2PTR(char*,*p)); |
94010e71 | 409 | #endif |
f8c7b90f | 410 | #ifdef PERL_OLD_COPY_ON_WRITE |
ed252734 NC |
411 | if (p[1]) { |
412 | SvREFCNT_dec (INT2PTR(SV*,p[1])); | |
413 | } | |
414 | #endif | |
c90c0ff4 | 415 | Safefree(p); |
4608196e | 416 | *rsp = NULL; |
c90c0ff4 | 417 | } |
418 | } | |
419 | ||
a0d0e21e LW |
420 | PP(pp_formline) |
421 | { | |
97aff369 | 422 | dVAR; dSP; dMARK; dORIGMARK; |
823a54a3 | 423 | register SV * const tmpForm = *++MARK; |
dea28490 | 424 | register U32 *fpc; |
a0d0e21e | 425 | register char *t; |
245d4a47 | 426 | const char *f; |
a0d0e21e | 427 | register I32 arg; |
c445ea15 AL |
428 | register SV *sv = NULL; |
429 | const char *item = NULL; | |
9c5ffd7c JH |
430 | I32 itemsize = 0; |
431 | I32 fieldsize = 0; | |
a0d0e21e | 432 | I32 lines = 0; |
c445ea15 AL |
433 | bool chopspace = (strchr(PL_chopset, ' ') != NULL); |
434 | const char *chophere = NULL; | |
435 | char *linemark = NULL; | |
65202027 | 436 | NV value; |
9c5ffd7c | 437 | bool gotsome = FALSE; |
a0d0e21e | 438 | STRLEN len; |
823a54a3 | 439 | const STRLEN fudge = SvPOK(tmpForm) |
24c89738 | 440 | ? (SvCUR(tmpForm) * (IN_BYTES ? 1 : 3) + 1) : 0; |
1bd51a4c IH |
441 | bool item_is_utf8 = FALSE; |
442 | bool targ_is_utf8 = FALSE; | |
c445ea15 | 443 | SV * nsv = NULL; |
cbbf8932 | 444 | OP * parseres = NULL; |
bfed75c6 | 445 | const char *fmt; |
a1b95068 | 446 | bool oneline; |
a0d0e21e | 447 | |
76e3520e | 448 | if (!SvMAGICAL(tmpForm) || !SvCOMPILED(tmpForm)) { |
445b3f51 GS |
449 | if (SvREADONLY(tmpForm)) { |
450 | SvREADONLY_off(tmpForm); | |
a1b95068 | 451 | parseres = doparseform(tmpForm); |
445b3f51 GS |
452 | SvREADONLY_on(tmpForm); |
453 | } | |
454 | else | |
a1b95068 WL |
455 | parseres = doparseform(tmpForm); |
456 | if (parseres) | |
457 | return parseres; | |
a0d0e21e | 458 | } |
3280af22 | 459 | SvPV_force(PL_formtarget, len); |
1bd51a4c IH |
460 | if (DO_UTF8(PL_formtarget)) |
461 | targ_is_utf8 = TRUE; | |
a0ed51b3 | 462 | t = SvGROW(PL_formtarget, len + fudge + 1); /* XXX SvCUR bad */ |
a0d0e21e | 463 | t += len; |
245d4a47 | 464 | f = SvPV_const(tmpForm, len); |
a0d0e21e | 465 | /* need to jump to the next word */ |
245d4a47 | 466 | fpc = (U32*)(f + len + WORD_ALIGN - SvCUR(tmpForm) % WORD_ALIGN); |
a0d0e21e LW |
467 | |
468 | for (;;) { | |
469 | DEBUG_f( { | |
bfed75c6 | 470 | const char *name = "???"; |
a0d0e21e LW |
471 | arg = -1; |
472 | switch (*fpc) { | |
473 | case FF_LITERAL: arg = fpc[1]; name = "LITERAL"; break; | |
474 | case FF_BLANK: arg = fpc[1]; name = "BLANK"; break; | |
475 | case FF_SKIP: arg = fpc[1]; name = "SKIP"; break; | |
476 | case FF_FETCH: arg = fpc[1]; name = "FETCH"; break; | |
477 | case FF_DECIMAL: arg = fpc[1]; name = "DECIMAL"; break; | |
478 | ||
479 | case FF_CHECKNL: name = "CHECKNL"; break; | |
480 | case FF_CHECKCHOP: name = "CHECKCHOP"; break; | |
481 | case FF_SPACE: name = "SPACE"; break; | |
482 | case FF_HALFSPACE: name = "HALFSPACE"; break; | |
483 | case FF_ITEM: name = "ITEM"; break; | |
484 | case FF_CHOP: name = "CHOP"; break; | |
485 | case FF_LINEGLOB: name = "LINEGLOB"; break; | |
486 | case FF_NEWLINE: name = "NEWLINE"; break; | |
487 | case FF_MORE: name = "MORE"; break; | |
488 | case FF_LINEMARK: name = "LINEMARK"; break; | |
489 | case FF_END: name = "END"; break; | |
bfed75c6 | 490 | case FF_0DECIMAL: name = "0DECIMAL"; break; |
a1b95068 | 491 | case FF_LINESNGL: name = "LINESNGL"; break; |
a0d0e21e LW |
492 | } |
493 | if (arg >= 0) | |
bf49b057 | 494 | PerlIO_printf(Perl_debug_log, "%-16s%ld\n", name, (long) arg); |
a0d0e21e | 495 | else |
bf49b057 | 496 | PerlIO_printf(Perl_debug_log, "%-16s\n", name); |
5f80b19c | 497 | } ); |
a0d0e21e LW |
498 | switch (*fpc++) { |
499 | case FF_LINEMARK: | |
500 | linemark = t; | |
a0d0e21e LW |
501 | lines++; |
502 | gotsome = FALSE; | |
503 | break; | |
504 | ||
505 | case FF_LITERAL: | |
506 | arg = *fpc++; | |
1bd51a4c | 507 | if (targ_is_utf8 && !SvUTF8(tmpForm)) { |
b15aece3 | 508 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); |
78da4d13 JH |
509 | *t = '\0'; |
510 | sv_catpvn_utf8_upgrade(PL_formtarget, f, arg, nsv); | |
511 | t = SvEND(PL_formtarget); | |
1bd51a4c IH |
512 | break; |
513 | } | |
514 | if (!targ_is_utf8 && DO_UTF8(tmpForm)) { | |
b15aece3 | 515 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); |
1bd51a4c IH |
516 | *t = '\0'; |
517 | sv_utf8_upgrade(PL_formtarget); | |
518 | SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1); | |
519 | t = SvEND(PL_formtarget); | |
520 | targ_is_utf8 = TRUE; | |
521 | } | |
a0d0e21e LW |
522 | while (arg--) |
523 | *t++ = *f++; | |
524 | break; | |
525 | ||
526 | case FF_SKIP: | |
527 | f += *fpc++; | |
528 | break; | |
529 | ||
530 | case FF_FETCH: | |
531 | arg = *fpc++; | |
532 | f += arg; | |
533 | fieldsize = arg; | |
534 | ||
535 | if (MARK < SP) | |
536 | sv = *++MARK; | |
537 | else { | |
3280af22 | 538 | sv = &PL_sv_no; |
599cee73 | 539 | if (ckWARN(WARN_SYNTAX)) |
9014280d | 540 | Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Not enough format arguments"); |
a0d0e21e LW |
541 | } |
542 | break; | |
543 | ||
544 | case FF_CHECKNL: | |
5a34cab7 NC |
545 | { |
546 | const char *send; | |
547 | const char *s = item = SvPV_const(sv, len); | |
548 | itemsize = len; | |
549 | if (DO_UTF8(sv)) { | |
550 | itemsize = sv_len_utf8(sv); | |
551 | if (itemsize != (I32)len) { | |
552 | I32 itembytes; | |
553 | if (itemsize > fieldsize) { | |
554 | itemsize = fieldsize; | |
555 | itembytes = itemsize; | |
556 | sv_pos_u2b(sv, &itembytes, 0); | |
557 | } | |
558 | else | |
559 | itembytes = len; | |
560 | send = chophere = s + itembytes; | |
561 | while (s < send) { | |
562 | if (*s & ~31) | |
563 | gotsome = TRUE; | |
564 | else if (*s == '\n') | |
565 | break; | |
566 | s++; | |
567 | } | |
568 | item_is_utf8 = TRUE; | |
569 | itemsize = s - item; | |
570 | sv_pos_b2u(sv, &itemsize); | |
571 | break; | |
a0ed51b3 | 572 | } |
a0ed51b3 | 573 | } |
5a34cab7 NC |
574 | item_is_utf8 = FALSE; |
575 | if (itemsize > fieldsize) | |
576 | itemsize = fieldsize; | |
577 | send = chophere = s + itemsize; | |
578 | while (s < send) { | |
579 | if (*s & ~31) | |
580 | gotsome = TRUE; | |
581 | else if (*s == '\n') | |
582 | break; | |
583 | s++; | |
584 | } | |
585 | itemsize = s - item; | |
586 | break; | |
a0ed51b3 | 587 | } |
a0d0e21e LW |
588 | |
589 | case FF_CHECKCHOP: | |
5a34cab7 NC |
590 | { |
591 | const char *s = item = SvPV_const(sv, len); | |
592 | itemsize = len; | |
593 | if (DO_UTF8(sv)) { | |
594 | itemsize = sv_len_utf8(sv); | |
595 | if (itemsize != (I32)len) { | |
596 | I32 itembytes; | |
597 | if (itemsize <= fieldsize) { | |
598 | const char *send = chophere = s + itemsize; | |
599 | while (s < send) { | |
600 | if (*s == '\r') { | |
601 | itemsize = s - item; | |
a0ed51b3 | 602 | chophere = s; |
a0ed51b3 | 603 | break; |
5a34cab7 NC |
604 | } |
605 | if (*s++ & ~31) | |
a0ed51b3 | 606 | gotsome = TRUE; |
a0ed51b3 | 607 | } |
a0ed51b3 | 608 | } |
5a34cab7 NC |
609 | else { |
610 | const char *send; | |
611 | itemsize = fieldsize; | |
612 | itembytes = itemsize; | |
613 | sv_pos_u2b(sv, &itembytes, 0); | |
614 | send = chophere = s + itembytes; | |
615 | while (s < send || (s == send && isSPACE(*s))) { | |
616 | if (isSPACE(*s)) { | |
617 | if (chopspace) | |
618 | chophere = s; | |
619 | if (*s == '\r') | |
620 | break; | |
621 | } | |
622 | else { | |
623 | if (*s & ~31) | |
624 | gotsome = TRUE; | |
625 | if (strchr(PL_chopset, *s)) | |
626 | chophere = s + 1; | |
627 | } | |
628 | s++; | |
629 | } | |
630 | itemsize = chophere - item; | |
631 | sv_pos_b2u(sv, &itemsize); | |
632 | } | |
633 | item_is_utf8 = TRUE; | |
a0d0e21e LW |
634 | break; |
635 | } | |
a0d0e21e | 636 | } |
5a34cab7 NC |
637 | item_is_utf8 = FALSE; |
638 | if (itemsize <= fieldsize) { | |
639 | const char *const send = chophere = s + itemsize; | |
640 | while (s < send) { | |
641 | if (*s == '\r') { | |
642 | itemsize = s - item; | |
a0d0e21e | 643 | chophere = s; |
a0d0e21e | 644 | break; |
5a34cab7 NC |
645 | } |
646 | if (*s++ & ~31) | |
a0d0e21e | 647 | gotsome = TRUE; |
a0d0e21e | 648 | } |
a0d0e21e | 649 | } |
5a34cab7 NC |
650 | else { |
651 | const char *send; | |
652 | itemsize = fieldsize; | |
653 | send = chophere = s + itemsize; | |
654 | while (s < send || (s == send && isSPACE(*s))) { | |
655 | if (isSPACE(*s)) { | |
656 | if (chopspace) | |
657 | chophere = s; | |
658 | if (*s == '\r') | |
659 | break; | |
660 | } | |
661 | else { | |
662 | if (*s & ~31) | |
663 | gotsome = TRUE; | |
664 | if (strchr(PL_chopset, *s)) | |
665 | chophere = s + 1; | |
666 | } | |
667 | s++; | |
668 | } | |
669 | itemsize = chophere - item; | |
670 | } | |
671 | break; | |
a0d0e21e | 672 | } |
a0d0e21e LW |
673 | |
674 | case FF_SPACE: | |
675 | arg = fieldsize - itemsize; | |
676 | if (arg) { | |
677 | fieldsize -= arg; | |
678 | while (arg-- > 0) | |
679 | *t++ = ' '; | |
680 | } | |
681 | break; | |
682 | ||
683 | case FF_HALFSPACE: | |
684 | arg = fieldsize - itemsize; | |
685 | if (arg) { | |
686 | arg /= 2; | |
687 | fieldsize -= arg; | |
688 | while (arg-- > 0) | |
689 | *t++ = ' '; | |
690 | } | |
691 | break; | |
692 | ||
693 | case FF_ITEM: | |
5a34cab7 NC |
694 | { |
695 | const char *s = item; | |
696 | arg = itemsize; | |
697 | if (item_is_utf8) { | |
698 | if (!targ_is_utf8) { | |
699 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); | |
700 | *t = '\0'; | |
701 | sv_utf8_upgrade(PL_formtarget); | |
702 | SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1); | |
703 | t = SvEND(PL_formtarget); | |
704 | targ_is_utf8 = TRUE; | |
a0ed51b3 | 705 | } |
5a34cab7 NC |
706 | while (arg--) { |
707 | if (UTF8_IS_CONTINUED(*s)) { | |
708 | STRLEN skip = UTF8SKIP(s); | |
709 | switch (skip) { | |
710 | default: | |
711 | Move(s,t,skip,char); | |
712 | s += skip; | |
713 | t += skip; | |
714 | break; | |
715 | case 7: *t++ = *s++; | |
716 | case 6: *t++ = *s++; | |
717 | case 5: *t++ = *s++; | |
718 | case 4: *t++ = *s++; | |
719 | case 3: *t++ = *s++; | |
720 | case 2: *t++ = *s++; | |
721 | case 1: *t++ = *s++; | |
722 | } | |
723 | } | |
724 | else { | |
725 | if ( !((*t++ = *s++) & ~31) ) | |
726 | t[-1] = ' '; | |
727 | } | |
a0ed51b3 | 728 | } |
5a34cab7 | 729 | break; |
a0ed51b3 | 730 | } |
5a34cab7 NC |
731 | if (targ_is_utf8 && !item_is_utf8) { |
732 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); | |
733 | *t = '\0'; | |
734 | sv_catpvn_utf8_upgrade(PL_formtarget, s, arg, nsv); | |
735 | for (; t < SvEND(PL_formtarget); t++) { | |
78da4d13 | 736 | #ifdef EBCDIC |
901017d6 | 737 | const int ch = *t; |
5a34cab7 | 738 | if (iscntrl(ch)) |
78da4d13 | 739 | #else |
5a34cab7 | 740 | if (!(*t & ~31)) |
78da4d13 | 741 | #endif |
5a34cab7 NC |
742 | *t = ' '; |
743 | } | |
744 | break; | |
78da4d13 | 745 | } |
5a34cab7 | 746 | while (arg--) { |
9d116dd7 | 747 | #ifdef EBCDIC |
901017d6 | 748 | const int ch = *t++ = *s++; |
5a34cab7 | 749 | if (iscntrl(ch)) |
a0d0e21e | 750 | #else |
5a34cab7 | 751 | if ( !((*t++ = *s++) & ~31) ) |
a0d0e21e | 752 | #endif |
5a34cab7 NC |
753 | t[-1] = ' '; |
754 | } | |
755 | break; | |
a0d0e21e | 756 | } |
a0d0e21e LW |
757 | |
758 | case FF_CHOP: | |
5a34cab7 NC |
759 | { |
760 | const char *s = chophere; | |
761 | if (chopspace) { | |
af68e756 | 762 | while (isSPACE(*s)) |
5a34cab7 NC |
763 | s++; |
764 | } | |
765 | sv_chop(sv,s); | |
766 | SvSETMAGIC(sv); | |
767 | break; | |
a0d0e21e | 768 | } |
a0d0e21e | 769 | |
a1b95068 WL |
770 | case FF_LINESNGL: |
771 | chopspace = 0; | |
772 | oneline = TRUE; | |
773 | goto ff_line; | |
a0d0e21e | 774 | case FF_LINEGLOB: |
a1b95068 WL |
775 | oneline = FALSE; |
776 | ff_line: | |
5a34cab7 NC |
777 | { |
778 | const char *s = item = SvPV_const(sv, len); | |
779 | itemsize = len; | |
780 | if ((item_is_utf8 = DO_UTF8(sv))) | |
781 | itemsize = sv_len_utf8(sv); | |
782 | if (itemsize) { | |
783 | bool chopped = FALSE; | |
784 | const char *const send = s + len; | |
785 | gotsome = TRUE; | |
786 | chophere = s + itemsize; | |
787 | while (s < send) { | |
788 | if (*s++ == '\n') { | |
789 | if (oneline) { | |
790 | chopped = TRUE; | |
791 | chophere = s; | |
792 | break; | |
793 | } else { | |
794 | if (s == send) { | |
795 | itemsize--; | |
796 | chopped = TRUE; | |
797 | } else | |
798 | lines++; | |
799 | } | |
1bd51a4c | 800 | } |
a0d0e21e | 801 | } |
5a34cab7 NC |
802 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); |
803 | if (targ_is_utf8) | |
804 | SvUTF8_on(PL_formtarget); | |
805 | if (oneline) { | |
806 | SvCUR_set(sv, chophere - item); | |
807 | sv_catsv(PL_formtarget, sv); | |
808 | SvCUR_set(sv, itemsize); | |
809 | } else | |
810 | sv_catsv(PL_formtarget, sv); | |
811 | if (chopped) | |
812 | SvCUR_set(PL_formtarget, SvCUR(PL_formtarget) - 1); | |
813 | SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1); | |
814 | t = SvPVX(PL_formtarget) + SvCUR(PL_formtarget); | |
815 | if (item_is_utf8) | |
816 | targ_is_utf8 = TRUE; | |
a0d0e21e | 817 | } |
5a34cab7 | 818 | break; |
a0d0e21e | 819 | } |
a0d0e21e | 820 | |
a1b95068 WL |
821 | case FF_0DECIMAL: |
822 | arg = *fpc++; | |
823 | #if defined(USE_LONG_DOUBLE) | |
10edeb5d JH |
824 | fmt = (const char *) |
825 | ((arg & 256) ? | |
826 | "%#0*.*" PERL_PRIfldbl : "%0*.*" PERL_PRIfldbl); | |
a1b95068 | 827 | #else |
10edeb5d JH |
828 | fmt = (const char *) |
829 | ((arg & 256) ? | |
830 | "%#0*.*f" : "%0*.*f"); | |
a1b95068 WL |
831 | #endif |
832 | goto ff_dec; | |
a0d0e21e | 833 | case FF_DECIMAL: |
a0d0e21e | 834 | arg = *fpc++; |
65202027 | 835 | #if defined(USE_LONG_DOUBLE) |
10edeb5d JH |
836 | fmt = (const char *) |
837 | ((arg & 256) ? "%#*.*" PERL_PRIfldbl : "%*.*" PERL_PRIfldbl); | |
65202027 | 838 | #else |
10edeb5d JH |
839 | fmt = (const char *) |
840 | ((arg & 256) ? "%#*.*f" : "%*.*f"); | |
65202027 | 841 | #endif |
a1b95068 | 842 | ff_dec: |
784707d5 JP |
843 | /* If the field is marked with ^ and the value is undefined, |
844 | blank it out. */ | |
784707d5 JP |
845 | if ((arg & 512) && !SvOK(sv)) { |
846 | arg = fieldsize; | |
847 | while (arg--) | |
848 | *t++ = ' '; | |
849 | break; | |
850 | } | |
851 | gotsome = TRUE; | |
852 | value = SvNV(sv); | |
a1b95068 | 853 | /* overflow evidence */ |
bfed75c6 | 854 | if (num_overflow(value, fieldsize, arg)) { |
a1b95068 WL |
855 | arg = fieldsize; |
856 | while (arg--) | |
857 | *t++ = '#'; | |
858 | break; | |
859 | } | |
784707d5 JP |
860 | /* Formats aren't yet marked for locales, so assume "yes". */ |
861 | { | |
862 | STORE_NUMERIC_STANDARD_SET_LOCAL(); | |
d9fad198 | 863 | my_snprintf(t, SvLEN(PL_formtarget) - (t - SvPVX(PL_formtarget)), fmt, (int) fieldsize, (int) arg & 255, value); |
784707d5 JP |
864 | RESTORE_NUMERIC_STANDARD(); |
865 | } | |
866 | t += fieldsize; | |
867 | break; | |
a1b95068 | 868 | |
a0d0e21e LW |
869 | case FF_NEWLINE: |
870 | f++; | |
871 | while (t-- > linemark && *t == ' ') ; | |
872 | t++; | |
873 | *t++ = '\n'; | |
874 | break; | |
875 | ||
876 | case FF_BLANK: | |
877 | arg = *fpc++; | |
878 | if (gotsome) { | |
879 | if (arg) { /* repeat until fields exhausted? */ | |
880 | *t = '\0'; | |
b15aece3 | 881 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); |
3280af22 | 882 | lines += FmLINES(PL_formtarget); |
a0d0e21e LW |
883 | if (lines == 200) { |
884 | arg = t - linemark; | |
885 | if (strnEQ(linemark, linemark - arg, arg)) | |
cea2e8a9 | 886 | DIE(aTHX_ "Runaway format"); |
a0d0e21e | 887 | } |
1bd51a4c IH |
888 | if (targ_is_utf8) |
889 | SvUTF8_on(PL_formtarget); | |
3280af22 | 890 | FmLINES(PL_formtarget) = lines; |
a0d0e21e LW |
891 | SP = ORIGMARK; |
892 | RETURNOP(cLISTOP->op_first); | |
893 | } | |
894 | } | |
895 | else { | |
896 | t = linemark; | |
897 | lines--; | |
898 | } | |
899 | break; | |
900 | ||
901 | case FF_MORE: | |
5a34cab7 NC |
902 | { |
903 | const char *s = chophere; | |
904 | const char *send = item + len; | |
905 | if (chopspace) { | |
af68e756 | 906 | while (isSPACE(*s) && (s < send)) |
5a34cab7 | 907 | s++; |
a0d0e21e | 908 | } |
5a34cab7 NC |
909 | if (s < send) { |
910 | char *s1; | |
911 | arg = fieldsize - itemsize; | |
912 | if (arg) { | |
913 | fieldsize -= arg; | |
914 | while (arg-- > 0) | |
915 | *t++ = ' '; | |
916 | } | |
917 | s1 = t - 3; | |
918 | if (strnEQ(s1," ",3)) { | |
919 | while (s1 > SvPVX_const(PL_formtarget) && isSPACE(s1[-1])) | |
920 | s1--; | |
921 | } | |
922 | *s1++ = '.'; | |
923 | *s1++ = '.'; | |
924 | *s1++ = '.'; | |
a0d0e21e | 925 | } |
5a34cab7 | 926 | break; |
a0d0e21e | 927 | } |
a0d0e21e LW |
928 | case FF_END: |
929 | *t = '\0'; | |
b15aece3 | 930 | SvCUR_set(PL_formtarget, t - SvPVX_const(PL_formtarget)); |
1bd51a4c IH |
931 | if (targ_is_utf8) |
932 | SvUTF8_on(PL_formtarget); | |
3280af22 | 933 | FmLINES(PL_formtarget) += lines; |
a0d0e21e LW |
934 | SP = ORIGMARK; |
935 | RETPUSHYES; | |
936 | } | |
937 | } | |
938 | } | |
939 | ||
940 | PP(pp_grepstart) | |
941 | { | |
27da23d5 | 942 | dVAR; dSP; |
a0d0e21e LW |
943 | SV *src; |
944 | ||
3280af22 | 945 | if (PL_stack_base + *PL_markstack_ptr == SP) { |
a0d0e21e | 946 | (void)POPMARK; |
54310121 | 947 | if (GIMME_V == G_SCALAR) |
6e449a3a | 948 | mXPUSHi(0); |
533c011a | 949 | RETURNOP(PL_op->op_next->op_next); |
a0d0e21e | 950 | } |
3280af22 | 951 | PL_stack_sp = PL_stack_base + *PL_markstack_ptr + 1; |
cea2e8a9 GS |
952 | pp_pushmark(); /* push dst */ |
953 | pp_pushmark(); /* push src */ | |
a0d0e21e LW |
954 | ENTER; /* enter outer scope */ |
955 | ||
956 | SAVETMPS; | |
59f00321 RGS |
957 | if (PL_op->op_private & OPpGREP_LEX) |
958 | SAVESPTR(PAD_SVl(PL_op->op_targ)); | |
959 | else | |
960 | SAVE_DEFSV; | |
a0d0e21e | 961 | ENTER; /* enter inner scope */ |
7766f137 | 962 | SAVEVPTR(PL_curpm); |
a0d0e21e | 963 | |
3280af22 | 964 | src = PL_stack_base[*PL_markstack_ptr]; |
a0d0e21e | 965 | SvTEMP_off(src); |
59f00321 RGS |
966 | if (PL_op->op_private & OPpGREP_LEX) |
967 | PAD_SVl(PL_op->op_targ) = src; | |
968 | else | |
969 | DEFSV = src; | |
a0d0e21e LW |
970 | |
971 | PUTBACK; | |
533c011a | 972 | if (PL_op->op_type == OP_MAPSTART) |
cea2e8a9 | 973 | pp_pushmark(); /* push top */ |
533c011a | 974 | return ((LOGOP*)PL_op->op_next)->op_other; |
a0d0e21e LW |
975 | } |
976 | ||
a0d0e21e LW |
977 | PP(pp_mapwhile) |
978 | { | |
27da23d5 | 979 | dVAR; dSP; |
f54cb97a | 980 | const I32 gimme = GIMME_V; |
544f3153 | 981 | I32 items = (SP - PL_stack_base) - *PL_markstack_ptr; /* how many new items */ |
a0d0e21e LW |
982 | I32 count; |
983 | I32 shift; | |
984 | SV** src; | |
ac27b0f5 | 985 | SV** dst; |
a0d0e21e | 986 | |
544f3153 | 987 | /* first, move source pointer to the next item in the source list */ |
3280af22 | 988 | ++PL_markstack_ptr[-1]; |
544f3153 GS |
989 | |
990 | /* if there are new items, push them into the destination list */ | |
4c90a460 | 991 | if (items && gimme != G_VOID) { |
544f3153 GS |
992 | /* might need to make room back there first */ |
993 | if (items > PL_markstack_ptr[-1] - PL_markstack_ptr[-2]) { | |
994 | /* XXX this implementation is very pessimal because the stack | |
995 | * is repeatedly extended for every set of items. Is possible | |
996 | * to do this without any stack extension or copying at all | |
997 | * by maintaining a separate list over which the map iterates | |
18ef8bea | 998 | * (like foreach does). --gsar */ |
544f3153 GS |
999 | |
1000 | /* everything in the stack after the destination list moves | |
1001 | * towards the end the stack by the amount of room needed */ | |
1002 | shift = items - (PL_markstack_ptr[-1] - PL_markstack_ptr[-2]); | |
1003 | ||
1004 | /* items to shift up (accounting for the moved source pointer) */ | |
1005 | count = (SP - PL_stack_base) - (PL_markstack_ptr[-1] - 1); | |
18ef8bea BT |
1006 | |
1007 | /* This optimization is by Ben Tilly and it does | |
1008 | * things differently from what Sarathy (gsar) | |
1009 | * is describing. The downside of this optimization is | |
1010 | * that leaves "holes" (uninitialized and hopefully unused areas) | |
1011 | * to the Perl stack, but on the other hand this | |
1012 | * shouldn't be a problem. If Sarathy's idea gets | |
1013 | * implemented, this optimization should become | |
1014 | * irrelevant. --jhi */ | |
1015 | if (shift < count) | |
1016 | shift = count; /* Avoid shifting too often --Ben Tilly */ | |
bfed75c6 | 1017 | |
924508f0 GS |
1018 | EXTEND(SP,shift); |
1019 | src = SP; | |
1020 | dst = (SP += shift); | |
3280af22 NIS |
1021 | PL_markstack_ptr[-1] += shift; |
1022 | *PL_markstack_ptr += shift; | |
544f3153 | 1023 | while (count--) |
a0d0e21e LW |
1024 | *dst-- = *src--; |
1025 | } | |
544f3153 | 1026 | /* copy the new items down to the destination list */ |
ac27b0f5 | 1027 | dst = PL_stack_base + (PL_markstack_ptr[-2] += items) - 1; |
22023b26 TP |
1028 | if (gimme == G_ARRAY) { |
1029 | while (items-- > 0) | |
1030 | *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs); | |
1031 | } | |
bfed75c6 | 1032 | else { |
22023b26 TP |
1033 | /* scalar context: we don't care about which values map returns |
1034 | * (we use undef here). And so we certainly don't want to do mortal | |
1035 | * copies of meaningless values. */ | |
1036 | while (items-- > 0) { | |
b988aa42 | 1037 | (void)POPs; |
22023b26 TP |
1038 | *dst-- = &PL_sv_undef; |
1039 | } | |
1040 | } | |
a0d0e21e LW |
1041 | } |
1042 | LEAVE; /* exit inner scope */ | |
1043 | ||
1044 | /* All done yet? */ | |
3280af22 | 1045 | if (PL_markstack_ptr[-1] > *PL_markstack_ptr) { |
a0d0e21e LW |
1046 | |
1047 | (void)POPMARK; /* pop top */ | |
1048 | LEAVE; /* exit outer scope */ | |
1049 | (void)POPMARK; /* pop src */ | |
3280af22 | 1050 | items = --*PL_markstack_ptr - PL_markstack_ptr[-1]; |
a0d0e21e | 1051 | (void)POPMARK; /* pop dst */ |
3280af22 | 1052 | SP = PL_stack_base + POPMARK; /* pop original mark */ |
54310121 | 1053 | if (gimme == G_SCALAR) { |
7cc47870 RGS |
1054 | if (PL_op->op_private & OPpGREP_LEX) { |
1055 | SV* sv = sv_newmortal(); | |
1056 | sv_setiv(sv, items); | |
1057 | PUSHs(sv); | |
1058 | } | |
1059 | else { | |
1060 | dTARGET; | |
1061 | XPUSHi(items); | |
1062 | } | |
a0d0e21e | 1063 | } |
54310121 | 1064 | else if (gimme == G_ARRAY) |
1065 | SP += items; | |
a0d0e21e LW |
1066 | RETURN; |
1067 | } | |
1068 | else { | |
1069 | SV *src; | |
1070 | ||
1071 | ENTER; /* enter inner scope */ | |
7766f137 | 1072 | SAVEVPTR(PL_curpm); |
a0d0e21e | 1073 | |
544f3153 | 1074 | /* set $_ to the new source item */ |
3280af22 | 1075 | src = PL_stack_base[PL_markstack_ptr[-1]]; |
a0d0e21e | 1076 | SvTEMP_off(src); |
59f00321 RGS |
1077 | if (PL_op->op_private & OPpGREP_LEX) |
1078 | PAD_SVl(PL_op->op_targ) = src; | |
1079 | else | |
1080 | DEFSV = src; | |
a0d0e21e LW |
1081 | |
1082 | RETURNOP(cLOGOP->op_other); | |
1083 | } | |
1084 | } | |
1085 | ||
a0d0e21e LW |
1086 | /* Range stuff. */ |
1087 | ||
1088 | PP(pp_range) | |
1089 | { | |
97aff369 | 1090 | dVAR; |
a0d0e21e | 1091 | if (GIMME == G_ARRAY) |
1a67a97c | 1092 | return NORMAL; |
538573f7 | 1093 | if (SvTRUEx(PAD_SV(PL_op->op_targ))) |
1a67a97c | 1094 | return cLOGOP->op_other; |
538573f7 | 1095 | else |
1a67a97c | 1096 | return NORMAL; |
a0d0e21e LW |
1097 | } |
1098 | ||
1099 | PP(pp_flip) | |
1100 | { | |
97aff369 | 1101 | dVAR; |
39644a26 | 1102 | dSP; |
a0d0e21e LW |
1103 | |
1104 | if (GIMME == G_ARRAY) { | |
1a67a97c | 1105 | RETURNOP(((LOGOP*)cUNOP->op_first)->op_other); |
a0d0e21e LW |
1106 | } |
1107 | else { | |
1108 | dTOPss; | |
44f8325f | 1109 | SV * const targ = PAD_SV(PL_op->op_targ); |
bfed75c6 | 1110 | int flip = 0; |
790090df | 1111 | |
bfed75c6 | 1112 | if (PL_op->op_private & OPpFLIP_LINENUM) { |
4e3399f9 YST |
1113 | if (GvIO(PL_last_in_gv)) { |
1114 | flip = SvIV(sv) == (IV)IoLINES(GvIOp(PL_last_in_gv)); | |
1115 | } | |
1116 | else { | |
fafc274c | 1117 | GV * const gv = gv_fetchpvs(".", GV_ADD|GV_NOTQUAL, SVt_PV); |
44f8325f AL |
1118 | if (gv && GvSV(gv)) |
1119 | flip = SvIV(sv) == SvIV(GvSV(gv)); | |
4e3399f9 | 1120 | } |
bfed75c6 AL |
1121 | } else { |
1122 | flip = SvTRUE(sv); | |
1123 | } | |
1124 | if (flip) { | |
a0d0e21e | 1125 | sv_setiv(PAD_SV(cUNOP->op_first->op_targ), 1); |
533c011a | 1126 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e | 1127 | sv_setiv(targ, 1); |
3e3baf6d | 1128 | SETs(targ); |
a0d0e21e LW |
1129 | RETURN; |
1130 | } | |
1131 | else { | |
1132 | sv_setiv(targ, 0); | |
924508f0 | 1133 | SP--; |
1a67a97c | 1134 | RETURNOP(((LOGOP*)cUNOP->op_first)->op_other); |
a0d0e21e LW |
1135 | } |
1136 | } | |
c69006e4 | 1137 | sv_setpvn(TARG, "", 0); |
a0d0e21e LW |
1138 | SETs(targ); |
1139 | RETURN; | |
1140 | } | |
1141 | } | |
1142 | ||
8e9bbdb9 RGS |
1143 | /* This code tries to decide if "$left .. $right" should use the |
1144 | magical string increment, or if the range is numeric (we make | |
1145 | an exception for .."0" [#18165]). AMS 20021031. */ | |
1146 | ||
1147 | #define RANGE_IS_NUMERIC(left,right) ( \ | |
b0e74086 RGS |
1148 | SvNIOKp(left) || (SvOK(left) && !SvPOKp(left)) || \ |
1149 | SvNIOKp(right) || (SvOK(right) && !SvPOKp(right)) || \ | |
e0ab1c0e | 1150 | (((!SvOK(left) && SvOK(right)) || ((!SvOK(left) || \ |
b15aece3 | 1151 | looks_like_number(left)) && SvPOKp(left) && *SvPVX_const(left) != '0')) \ |
e0ab1c0e | 1152 | && (!SvOK(right) || looks_like_number(right)))) |
8e9bbdb9 | 1153 | |
a0d0e21e LW |
1154 | PP(pp_flop) |
1155 | { | |
97aff369 | 1156 | dVAR; dSP; |
a0d0e21e LW |
1157 | |
1158 | if (GIMME == G_ARRAY) { | |
1159 | dPOPPOPssrl; | |
86cb7173 | 1160 | |
5b295bef RD |
1161 | SvGETMAGIC(left); |
1162 | SvGETMAGIC(right); | |
a0d0e21e | 1163 | |
8e9bbdb9 | 1164 | if (RANGE_IS_NUMERIC(left,right)) { |
901017d6 AL |
1165 | register IV i, j; |
1166 | IV max; | |
4fe3f0fa MHM |
1167 | if ((SvOK(left) && SvNV(left) < IV_MIN) || |
1168 | (SvOK(right) && SvNV(right) > IV_MAX)) | |
d470f89e | 1169 | DIE(aTHX_ "Range iterator outside integer range"); |
a0d0e21e LW |
1170 | i = SvIV(left); |
1171 | max = SvIV(right); | |
bbce6d69 | 1172 | if (max >= i) { |
c1ab3db2 AK |
1173 | j = max - i + 1; |
1174 | EXTEND_MORTAL(j); | |
1175 | EXTEND(SP, j); | |
bbce6d69 | 1176 | } |
c1ab3db2 AK |
1177 | else |
1178 | j = 0; | |
1179 | while (j--) { | |
901017d6 | 1180 | SV * const sv = sv_2mortal(newSViv(i++)); |
a0d0e21e LW |
1181 | PUSHs(sv); |
1182 | } | |
1183 | } | |
1184 | else { | |
44f8325f | 1185 | SV * const final = sv_mortalcopy(right); |
13c5b33c | 1186 | STRLEN len; |
823a54a3 | 1187 | const char * const tmps = SvPV_const(final, len); |
a0d0e21e | 1188 | |
901017d6 | 1189 | SV *sv = sv_mortalcopy(left); |
13c5b33c | 1190 | SvPV_force_nolen(sv); |
89ea2908 | 1191 | while (!SvNIOKp(sv) && SvCUR(sv) <= len) { |
a0d0e21e | 1192 | XPUSHs(sv); |
b15aece3 | 1193 | if (strEQ(SvPVX_const(sv),tmps)) |
89ea2908 | 1194 | break; |
a0d0e21e LW |
1195 | sv = sv_2mortal(newSVsv(sv)); |
1196 | sv_inc(sv); | |
1197 | } | |
a0d0e21e LW |
1198 | } |
1199 | } | |
1200 | else { | |
1201 | dTOPss; | |
901017d6 | 1202 | SV * const targ = PAD_SV(cUNOP->op_first->op_targ); |
4e3399f9 | 1203 | int flop = 0; |
a0d0e21e | 1204 | sv_inc(targ); |
4e3399f9 YST |
1205 | |
1206 | if (PL_op->op_private & OPpFLIP_LINENUM) { | |
1207 | if (GvIO(PL_last_in_gv)) { | |
1208 | flop = SvIV(sv) == (IV)IoLINES(GvIOp(PL_last_in_gv)); | |
1209 | } | |
1210 | else { | |
fafc274c | 1211 | GV * const gv = gv_fetchpvs(".", GV_ADD|GV_NOTQUAL, SVt_PV); |
4e3399f9 YST |
1212 | if (gv && GvSV(gv)) flop = SvIV(sv) == SvIV(GvSV(gv)); |
1213 | } | |
1214 | } | |
1215 | else { | |
1216 | flop = SvTRUE(sv); | |
1217 | } | |
1218 | ||
1219 | if (flop) { | |
a0d0e21e | 1220 | sv_setiv(PAD_SV(((UNOP*)cUNOP->op_first)->op_first->op_targ), 0); |
396482e1 | 1221 | sv_catpvs(targ, "E0"); |
a0d0e21e LW |
1222 | } |
1223 | SETs(targ); | |
1224 | } | |
1225 | ||
1226 | RETURN; | |
1227 | } | |
1228 | ||
1229 | /* Control. */ | |
1230 | ||
27da23d5 | 1231 | static const char * const context_name[] = { |
515afda2 | 1232 | "pseudo-block", |
76753e7f NC |
1233 | "when", |
1234 | NULL, /* CXt_BLOCK never actually needs "block" */ | |
1235 | "given", | |
1236 | NULL, /* CXt_LOOP_FOR never actually needs "loop" */ | |
1237 | NULL, /* CXt_LOOP_PLAIN never actually needs "loop" */ | |
1238 | NULL, /* CXt_LOOP_LAZYSV never actually needs "loop" */ | |
1239 | NULL, /* CXt_LOOP_LAZYIV never actually needs "loop" */ | |
515afda2 | 1240 | "subroutine", |
76753e7f | 1241 | "format", |
515afda2 | 1242 | "eval", |
515afda2 | 1243 | "substitution", |
515afda2 NC |
1244 | }; |
1245 | ||
76e3520e | 1246 | STATIC I32 |
06b5626a | 1247 | S_dopoptolabel(pTHX_ const char *label) |
a0d0e21e | 1248 | { |
97aff369 | 1249 | dVAR; |
a0d0e21e | 1250 | register I32 i; |
a0d0e21e | 1251 | |
7918f24d NC |
1252 | PERL_ARGS_ASSERT_DOPOPTOLABEL; |
1253 | ||
a0d0e21e | 1254 | for (i = cxstack_ix; i >= 0; i--) { |
901017d6 | 1255 | register const PERL_CONTEXT * const cx = &cxstack[i]; |
6b35e009 | 1256 | switch (CxTYPE(cx)) { |
a0d0e21e | 1257 | case CXt_SUBST: |
a0d0e21e | 1258 | case CXt_SUB: |
7766f137 | 1259 | case CXt_FORMAT: |
a0d0e21e | 1260 | case CXt_EVAL: |
0a753a76 | 1261 | case CXt_NULL: |
0d863452 RH |
1262 | case CXt_GIVEN: |
1263 | case CXt_WHEN: | |
e476b1b5 | 1264 | if (ckWARN(WARN_EXITING)) |
515afda2 NC |
1265 | Perl_warner(aTHX_ packWARN(WARN_EXITING), "Exiting %s via %s", |
1266 | context_name[CxTYPE(cx)], OP_NAME(PL_op)); | |
1267 | if (CxTYPE(cx) == CXt_NULL) | |
1268 | return -1; | |
1269 | break; | |
c6fdafd0 | 1270 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1271 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
1272 | case CXt_LOOP_FOR: |
1273 | case CXt_LOOP_PLAIN: | |
a61a7064 | 1274 | if ( !CxLABEL(cx) || strNE(label, CxLABEL(cx)) ) { |
cea2e8a9 | 1275 | DEBUG_l(Perl_deb(aTHX_ "(Skipping label #%ld %s)\n", |
a61a7064 | 1276 | (long)i, CxLABEL(cx))); |
a0d0e21e LW |
1277 | continue; |
1278 | } | |
cea2e8a9 | 1279 | DEBUG_l( Perl_deb(aTHX_ "(Found label #%ld %s)\n", (long)i, label)); |
a0d0e21e LW |
1280 | return i; |
1281 | } | |
1282 | } | |
1283 | return i; | |
1284 | } | |
1285 | ||
0d863452 RH |
1286 | |
1287 | ||
e50aee73 | 1288 | I32 |
864dbfa3 | 1289 | Perl_dowantarray(pTHX) |
e50aee73 | 1290 | { |
97aff369 | 1291 | dVAR; |
f54cb97a | 1292 | const I32 gimme = block_gimme(); |
54310121 | 1293 | return (gimme == G_VOID) ? G_SCALAR : gimme; |
1294 | } | |
1295 | ||
1296 | I32 | |
864dbfa3 | 1297 | Perl_block_gimme(pTHX) |
54310121 | 1298 | { |
97aff369 | 1299 | dVAR; |
06b5626a | 1300 | const I32 cxix = dopoptosub(cxstack_ix); |
e50aee73 | 1301 | if (cxix < 0) |
46fc3d4c | 1302 | return G_VOID; |
e50aee73 | 1303 | |
54310121 | 1304 | switch (cxstack[cxix].blk_gimme) { |
d2719217 GS |
1305 | case G_VOID: |
1306 | return G_VOID; | |
54310121 | 1307 | case G_SCALAR: |
e50aee73 | 1308 | return G_SCALAR; |
54310121 | 1309 | case G_ARRAY: |
1310 | return G_ARRAY; | |
1311 | default: | |
cea2e8a9 | 1312 | Perl_croak(aTHX_ "panic: bad gimme: %d\n", cxstack[cxix].blk_gimme); |
d2719217 GS |
1313 | /* NOTREACHED */ |
1314 | return 0; | |
54310121 | 1315 | } |
e50aee73 AD |
1316 | } |
1317 | ||
78f9721b SM |
1318 | I32 |
1319 | Perl_is_lvalue_sub(pTHX) | |
1320 | { | |
97aff369 | 1321 | dVAR; |
06b5626a | 1322 | const I32 cxix = dopoptosub(cxstack_ix); |
78f9721b SM |
1323 | assert(cxix >= 0); /* We should only be called from inside subs */ |
1324 | ||
bafb2adc NC |
1325 | if (CxLVAL(cxstack + cxix) && CvLVALUE(cxstack[cxix].blk_sub.cv)) |
1326 | return CxLVAL(cxstack + cxix); | |
78f9721b SM |
1327 | else |
1328 | return 0; | |
1329 | } | |
1330 | ||
76e3520e | 1331 | STATIC I32 |
901017d6 | 1332 | S_dopoptosub_at(pTHX_ const PERL_CONTEXT *cxstk, I32 startingblock) |
2c375eb9 | 1333 | { |
97aff369 | 1334 | dVAR; |
a0d0e21e | 1335 | I32 i; |
7918f24d NC |
1336 | |
1337 | PERL_ARGS_ASSERT_DOPOPTOSUB_AT; | |
1338 | ||
a0d0e21e | 1339 | for (i = startingblock; i >= 0; i--) { |
901017d6 | 1340 | register const PERL_CONTEXT * const cx = &cxstk[i]; |
6b35e009 | 1341 | switch (CxTYPE(cx)) { |
a0d0e21e LW |
1342 | default: |
1343 | continue; | |
1344 | case CXt_EVAL: | |
1345 | case CXt_SUB: | |
7766f137 | 1346 | case CXt_FORMAT: |
cea2e8a9 | 1347 | DEBUG_l( Perl_deb(aTHX_ "(Found sub #%ld)\n", (long)i)); |
a0d0e21e LW |
1348 | return i; |
1349 | } | |
1350 | } | |
1351 | return i; | |
1352 | } | |
1353 | ||
76e3520e | 1354 | STATIC I32 |
cea2e8a9 | 1355 | S_dopoptoeval(pTHX_ I32 startingblock) |
a0d0e21e | 1356 | { |
97aff369 | 1357 | dVAR; |
a0d0e21e | 1358 | I32 i; |
a0d0e21e | 1359 | for (i = startingblock; i >= 0; i--) { |
06b5626a | 1360 | register const PERL_CONTEXT *cx = &cxstack[i]; |
6b35e009 | 1361 | switch (CxTYPE(cx)) { |
a0d0e21e LW |
1362 | default: |
1363 | continue; | |
1364 | case CXt_EVAL: | |
cea2e8a9 | 1365 | DEBUG_l( Perl_deb(aTHX_ "(Found eval #%ld)\n", (long)i)); |
a0d0e21e LW |
1366 | return i; |
1367 | } | |
1368 | } | |
1369 | return i; | |
1370 | } | |
1371 | ||
76e3520e | 1372 | STATIC I32 |
cea2e8a9 | 1373 | S_dopoptoloop(pTHX_ I32 startingblock) |
a0d0e21e | 1374 | { |
97aff369 | 1375 | dVAR; |
a0d0e21e | 1376 | I32 i; |
a0d0e21e | 1377 | for (i = startingblock; i >= 0; i--) { |
901017d6 | 1378 | register const PERL_CONTEXT * const cx = &cxstack[i]; |
6b35e009 | 1379 | switch (CxTYPE(cx)) { |
a0d0e21e | 1380 | case CXt_SUBST: |
a0d0e21e | 1381 | case CXt_SUB: |
7766f137 | 1382 | case CXt_FORMAT: |
a0d0e21e | 1383 | case CXt_EVAL: |
0a753a76 | 1384 | case CXt_NULL: |
e476b1b5 | 1385 | if (ckWARN(WARN_EXITING)) |
515afda2 NC |
1386 | Perl_warner(aTHX_ packWARN(WARN_EXITING), "Exiting %s via %s", |
1387 | context_name[CxTYPE(cx)], OP_NAME(PL_op)); | |
1388 | if ((CxTYPE(cx)) == CXt_NULL) | |
1389 | return -1; | |
1390 | break; | |
c6fdafd0 | 1391 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1392 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
1393 | case CXt_LOOP_FOR: |
1394 | case CXt_LOOP_PLAIN: | |
cea2e8a9 | 1395 | DEBUG_l( Perl_deb(aTHX_ "(Found loop #%ld)\n", (long)i)); |
a0d0e21e LW |
1396 | return i; |
1397 | } | |
1398 | } | |
1399 | return i; | |
1400 | } | |
1401 | ||
0d863452 RH |
1402 | STATIC I32 |
1403 | S_dopoptogiven(pTHX_ I32 startingblock) | |
1404 | { | |
97aff369 | 1405 | dVAR; |
0d863452 RH |
1406 | I32 i; |
1407 | for (i = startingblock; i >= 0; i--) { | |
1408 | register const PERL_CONTEXT *cx = &cxstack[i]; | |
1409 | switch (CxTYPE(cx)) { | |
1410 | default: | |
1411 | continue; | |
1412 | case CXt_GIVEN: | |
1413 | DEBUG_l( Perl_deb(aTHX_ "(Found given #%ld)\n", (long)i)); | |
1414 | return i; | |
3b719c58 NC |
1415 | case CXt_LOOP_PLAIN: |
1416 | assert(!CxFOREACHDEF(cx)); | |
1417 | break; | |
c6fdafd0 | 1418 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1419 | case CXt_LOOP_LAZYSV: |
3b719c58 | 1420 | case CXt_LOOP_FOR: |
0d863452 RH |
1421 | if (CxFOREACHDEF(cx)) { |
1422 | DEBUG_l( Perl_deb(aTHX_ "(Found foreach #%ld)\n", (long)i)); | |
1423 | return i; | |
1424 | } | |
1425 | } | |
1426 | } | |
1427 | return i; | |
1428 | } | |
1429 | ||
1430 | STATIC I32 | |
1431 | S_dopoptowhen(pTHX_ I32 startingblock) | |
1432 | { | |
97aff369 | 1433 | dVAR; |
0d863452 RH |
1434 | I32 i; |
1435 | for (i = startingblock; i >= 0; i--) { | |
1436 | register const PERL_CONTEXT *cx = &cxstack[i]; | |
1437 | switch (CxTYPE(cx)) { | |
1438 | default: | |
1439 | continue; | |
1440 | case CXt_WHEN: | |
1441 | DEBUG_l( Perl_deb(aTHX_ "(Found when #%ld)\n", (long)i)); | |
1442 | return i; | |
1443 | } | |
1444 | } | |
1445 | return i; | |
1446 | } | |
1447 | ||
a0d0e21e | 1448 | void |
864dbfa3 | 1449 | Perl_dounwind(pTHX_ I32 cxix) |
a0d0e21e | 1450 | { |
97aff369 | 1451 | dVAR; |
a0d0e21e LW |
1452 | I32 optype; |
1453 | ||
1454 | while (cxstack_ix > cxix) { | |
b0d9ce38 | 1455 | SV *sv; |
06b5626a | 1456 | register PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
c90c0ff4 | 1457 | DEBUG_l(PerlIO_printf(Perl_debug_log, "Unwinding block %ld, type %s\n", |
22c35a8c | 1458 | (long) cxstack_ix, PL_block_type[CxTYPE(cx)])); |
a0d0e21e | 1459 | /* Note: we don't need to restore the base context info till the end. */ |
6b35e009 | 1460 | switch (CxTYPE(cx)) { |
c90c0ff4 | 1461 | case CXt_SUBST: |
1462 | POPSUBST(cx); | |
1463 | continue; /* not break */ | |
a0d0e21e | 1464 | case CXt_SUB: |
b0d9ce38 GS |
1465 | POPSUB(cx,sv); |
1466 | LEAVESUB(sv); | |
a0d0e21e LW |
1467 | break; |
1468 | case CXt_EVAL: | |
1469 | POPEVAL(cx); | |
1470 | break; | |
c6fdafd0 | 1471 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1472 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
1473 | case CXt_LOOP_FOR: |
1474 | case CXt_LOOP_PLAIN: | |
a0d0e21e LW |
1475 | POPLOOP(cx); |
1476 | break; | |
0a753a76 | 1477 | case CXt_NULL: |
a0d0e21e | 1478 | break; |
7766f137 GS |
1479 | case CXt_FORMAT: |
1480 | POPFORMAT(cx); | |
1481 | break; | |
a0d0e21e | 1482 | } |
c90c0ff4 | 1483 | cxstack_ix--; |
a0d0e21e | 1484 | } |
1b6737cc | 1485 | PERL_UNUSED_VAR(optype); |
a0d0e21e LW |
1486 | } |
1487 | ||
5a844595 GS |
1488 | void |
1489 | Perl_qerror(pTHX_ SV *err) | |
1490 | { | |
97aff369 | 1491 | dVAR; |
7918f24d NC |
1492 | |
1493 | PERL_ARGS_ASSERT_QERROR; | |
1494 | ||
5a844595 GS |
1495 | if (PL_in_eval) |
1496 | sv_catsv(ERRSV, err); | |
1497 | else if (PL_errors) | |
1498 | sv_catsv(PL_errors, err); | |
1499 | else | |
be2597df | 1500 | Perl_warn(aTHX_ "%"SVf, SVfARG(err)); |
13765c85 DM |
1501 | if (PL_parser) |
1502 | ++PL_parser->error_count; | |
5a844595 GS |
1503 | } |
1504 | ||
a0d0e21e | 1505 | OP * |
35a4481c | 1506 | Perl_die_where(pTHX_ const char *message, STRLEN msglen) |
a0d0e21e | 1507 | { |
27da23d5 | 1508 | dVAR; |
87582a92 | 1509 | |
3280af22 | 1510 | if (PL_in_eval) { |
a0d0e21e | 1511 | I32 cxix; |
a0d0e21e | 1512 | I32 gimme; |
a0d0e21e | 1513 | |
4e6ea2c3 | 1514 | if (message) { |
faef0170 | 1515 | if (PL_in_eval & EVAL_KEEPERR) { |
bfed75c6 | 1516 | static const char prefix[] = "\t(in cleanup) "; |
2d03de9c | 1517 | SV * const err = ERRSV; |
c445ea15 | 1518 | const char *e = NULL; |
98eae8f5 | 1519 | if (!SvPOK(err)) |
c69006e4 | 1520 | sv_setpvn(err,"",0); |
98eae8f5 | 1521 | else if (SvCUR(err) >= sizeof(prefix)+msglen-1) { |
0510663f | 1522 | STRLEN len; |
349d4f2f | 1523 | e = SvPV_const(err, len); |
0510663f | 1524 | e += len - msglen; |
98eae8f5 | 1525 | if (*e != *message || strNE(e,message)) |
c445ea15 | 1526 | e = NULL; |
98eae8f5 GS |
1527 | } |
1528 | if (!e) { | |
1529 | SvGROW(err, SvCUR(err)+sizeof(prefix)+msglen); | |
1530 | sv_catpvn(err, prefix, sizeof(prefix)-1); | |
1531 | sv_catpvn(err, message, msglen); | |
e476b1b5 | 1532 | if (ckWARN(WARN_MISC)) { |
504618e9 | 1533 | const STRLEN start = SvCUR(err)-msglen-sizeof(prefix)+1; |
b15aece3 | 1534 | Perl_warner(aTHX_ packWARN(WARN_MISC), SvPVX_const(err)+start); |
4e6ea2c3 | 1535 | } |
4633a7c4 | 1536 | } |
4633a7c4 | 1537 | } |
1aa99e6b | 1538 | else { |
06bf62c7 | 1539 | sv_setpvn(ERRSV, message, msglen); |
1aa99e6b | 1540 | } |
4633a7c4 | 1541 | } |
4e6ea2c3 | 1542 | |
5a844595 GS |
1543 | while ((cxix = dopoptoeval(cxstack_ix)) < 0 |
1544 | && PL_curstackinfo->si_prev) | |
1545 | { | |
bac4b2ad | 1546 | dounwind(-1); |
d3acc0f7 | 1547 | POPSTACK; |
bac4b2ad | 1548 | } |
e336de0d | 1549 | |
a0d0e21e LW |
1550 | if (cxix >= 0) { |
1551 | I32 optype; | |
35a4481c | 1552 | register PERL_CONTEXT *cx; |
901017d6 | 1553 | SV **newsp; |
a0d0e21e LW |
1554 | |
1555 | if (cxix < cxstack_ix) | |
1556 | dounwind(cxix); | |
1557 | ||
3280af22 | 1558 | POPBLOCK(cx,PL_curpm); |
6b35e009 | 1559 | if (CxTYPE(cx) != CXt_EVAL) { |
16869676 | 1560 | if (!message) |
349d4f2f | 1561 | message = SvPVx_const(ERRSV, msglen); |
10edeb5d | 1562 | PerlIO_write(Perl_error_log, (const char *)"panic: die ", 11); |
bf49b057 | 1563 | PerlIO_write(Perl_error_log, message, msglen); |
a0d0e21e LW |
1564 | my_exit(1); |
1565 | } | |
1566 | POPEVAL(cx); | |
1567 | ||
1568 | if (gimme == G_SCALAR) | |
3280af22 NIS |
1569 | *++newsp = &PL_sv_undef; |
1570 | PL_stack_sp = newsp; | |
a0d0e21e LW |
1571 | |
1572 | LEAVE; | |
748a9306 | 1573 | |
7fb6a879 GS |
1574 | /* LEAVE could clobber PL_curcop (see save_re_context()) |
1575 | * XXX it might be better to find a way to avoid messing with | |
1576 | * PL_curcop in save_re_context() instead, but this is a more | |
1577 | * minimal fix --GSAR */ | |
1578 | PL_curcop = cx->blk_oldcop; | |
1579 | ||
7a2e2cd6 | 1580 | if (optype == OP_REQUIRE) { |
44f8325f | 1581 | const char* const msg = SvPVx_nolen_const(ERRSV); |
901017d6 | 1582 | SV * const nsv = cx->blk_eval.old_namesv; |
b15aece3 | 1583 | (void)hv_store(GvHVn(PL_incgv), SvPVX_const(nsv), SvCUR(nsv), |
27bcc0a7 | 1584 | &PL_sv_undef, 0); |
5a844595 GS |
1585 | DIE(aTHX_ "%sCompilation failed in require", |
1586 | *msg ? msg : "Unknown error\n"); | |
7a2e2cd6 | 1587 | } |
f39bc417 DM |
1588 | assert(CxTYPE(cx) == CXt_EVAL); |
1589 | return cx->blk_eval.retop; | |
a0d0e21e LW |
1590 | } |
1591 | } | |
9cc2fdd3 | 1592 | if (!message) |
349d4f2f | 1593 | message = SvPVx_const(ERRSV, msglen); |
87582a92 | 1594 | |
7ff03255 | 1595 | write_to_stderr(message, msglen); |
f86702cc | 1596 | my_failure_exit(); |
1597 | /* NOTREACHED */ | |
a0d0e21e LW |
1598 | return 0; |
1599 | } | |
1600 | ||
1601 | PP(pp_xor) | |
1602 | { | |
97aff369 | 1603 | dVAR; dSP; dPOPTOPssrl; |
a0d0e21e LW |
1604 | if (SvTRUE(left) != SvTRUE(right)) |
1605 | RETSETYES; | |
1606 | else | |
1607 | RETSETNO; | |
1608 | } | |
1609 | ||
a0d0e21e LW |
1610 | PP(pp_caller) |
1611 | { | |
97aff369 | 1612 | dVAR; |
39644a26 | 1613 | dSP; |
a0d0e21e | 1614 | register I32 cxix = dopoptosub(cxstack_ix); |
901017d6 AL |
1615 | register const PERL_CONTEXT *cx; |
1616 | register const PERL_CONTEXT *ccstack = cxstack; | |
1617 | const PERL_SI *top_si = PL_curstackinfo; | |
54310121 | 1618 | I32 gimme; |
06b5626a | 1619 | const char *stashname; |
a0d0e21e LW |
1620 | I32 count = 0; |
1621 | ||
1622 | if (MAXARG) | |
1623 | count = POPi; | |
27d41816 | 1624 | |
a0d0e21e | 1625 | for (;;) { |
2c375eb9 GS |
1626 | /* we may be in a higher stacklevel, so dig down deeper */ |
1627 | while (cxix < 0 && top_si->si_type != PERLSI_MAIN) { | |
1628 | top_si = top_si->si_prev; | |
1629 | ccstack = top_si->si_cxstack; | |
1630 | cxix = dopoptosub_at(ccstack, top_si->si_cxix); | |
1631 | } | |
a0d0e21e | 1632 | if (cxix < 0) { |
27d41816 DM |
1633 | if (GIMME != G_ARRAY) { |
1634 | EXTEND(SP, 1); | |
a0d0e21e | 1635 | RETPUSHUNDEF; |
27d41816 | 1636 | } |
a0d0e21e LW |
1637 | RETURN; |
1638 | } | |
f2a7f298 DG |
1639 | /* caller() should not report the automatic calls to &DB::sub */ |
1640 | if (PL_DBsub && GvCV(PL_DBsub) && cxix >= 0 && | |
3280af22 | 1641 | ccstack[cxix].blk_sub.cv == GvCV(PL_DBsub)) |
a0d0e21e LW |
1642 | count++; |
1643 | if (!count--) | |
1644 | break; | |
2c375eb9 | 1645 | cxix = dopoptosub_at(ccstack, cxix - 1); |
a0d0e21e | 1646 | } |
2c375eb9 GS |
1647 | |
1648 | cx = &ccstack[cxix]; | |
7766f137 | 1649 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
f54cb97a | 1650 | const I32 dbcxix = dopoptosub_at(ccstack, cxix - 1); |
2c375eb9 | 1651 | /* We expect that ccstack[dbcxix] is CXt_SUB, anyway, the |
06a5b730 | 1652 | field below is defined for any cx. */ |
f2a7f298 DG |
1653 | /* caller() should not report the automatic calls to &DB::sub */ |
1654 | if (PL_DBsub && GvCV(PL_DBsub) && dbcxix >= 0 && ccstack[dbcxix].blk_sub.cv == GvCV(PL_DBsub)) | |
2c375eb9 | 1655 | cx = &ccstack[dbcxix]; |
06a5b730 | 1656 | } |
1657 | ||
ed094faf | 1658 | stashname = CopSTASHPV(cx->blk_oldcop); |
a0d0e21e | 1659 | if (GIMME != G_ARRAY) { |
27d41816 | 1660 | EXTEND(SP, 1); |
ed094faf | 1661 | if (!stashname) |
3280af22 | 1662 | PUSHs(&PL_sv_undef); |
49d8d3a1 MB |
1663 | else { |
1664 | dTARGET; | |
ed094faf | 1665 | sv_setpv(TARG, stashname); |
49d8d3a1 MB |
1666 | PUSHs(TARG); |
1667 | } | |
a0d0e21e LW |
1668 | RETURN; |
1669 | } | |
a0d0e21e | 1670 | |
b3ca2e83 | 1671 | EXTEND(SP, 11); |
27d41816 | 1672 | |
ed094faf | 1673 | if (!stashname) |
3280af22 | 1674 | PUSHs(&PL_sv_undef); |
49d8d3a1 | 1675 | else |
6e449a3a MHM |
1676 | mPUSHs(newSVpv(stashname, 0)); |
1677 | mPUSHs(newSVpv(OutCopFILE(cx->blk_oldcop), 0)); | |
1678 | mPUSHi((I32)CopLINE(cx->blk_oldcop)); | |
a0d0e21e LW |
1679 | if (!MAXARG) |
1680 | RETURN; | |
7766f137 | 1681 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
0bd48802 | 1682 | GV * const cvgv = CvGV(ccstack[cxix].blk_sub.cv); |
7766f137 | 1683 | /* So is ccstack[dbcxix]. */ |
07b8c804 | 1684 | if (isGV(cvgv)) { |
561b68a9 | 1685 | SV * const sv = newSV(0); |
c445ea15 | 1686 | gv_efullname3(sv, cvgv, NULL); |
6e449a3a | 1687 | mPUSHs(sv); |
bf38a478 | 1688 | PUSHs(boolSV(CxHASARGS(cx))); |
07b8c804 RGS |
1689 | } |
1690 | else { | |
84bafc02 | 1691 | PUSHs(newSVpvs_flags("(unknown)", SVs_TEMP)); |
bf38a478 | 1692 | PUSHs(boolSV(CxHASARGS(cx))); |
07b8c804 | 1693 | } |
a0d0e21e LW |
1694 | } |
1695 | else { | |
84bafc02 | 1696 | PUSHs(newSVpvs_flags("(eval)", SVs_TEMP)); |
6e449a3a | 1697 | mPUSHi(0); |
a0d0e21e | 1698 | } |
54310121 | 1699 | gimme = (I32)cx->blk_gimme; |
1700 | if (gimme == G_VOID) | |
3280af22 | 1701 | PUSHs(&PL_sv_undef); |
54310121 | 1702 | else |
98625aca | 1703 | PUSHs(boolSV((gimme & G_WANT) == G_ARRAY)); |
6b35e009 | 1704 | if (CxTYPE(cx) == CXt_EVAL) { |
811a4de9 | 1705 | /* eval STRING */ |
85a64632 | 1706 | if (CxOLD_OP_TYPE(cx) == OP_ENTEREVAL) { |
4633a7c4 | 1707 | PUSHs(cx->blk_eval.cur_text); |
3280af22 | 1708 | PUSHs(&PL_sv_no); |
0f79a09d | 1709 | } |
811a4de9 | 1710 | /* require */ |
0f79a09d | 1711 | else if (cx->blk_eval.old_namesv) { |
6e449a3a | 1712 | mPUSHs(newSVsv(cx->blk_eval.old_namesv)); |
3280af22 | 1713 | PUSHs(&PL_sv_yes); |
06a5b730 | 1714 | } |
811a4de9 GS |
1715 | /* eval BLOCK (try blocks have old_namesv == 0) */ |
1716 | else { | |
1717 | PUSHs(&PL_sv_undef); | |
1718 | PUSHs(&PL_sv_undef); | |
1719 | } | |
4633a7c4 | 1720 | } |
a682de96 GS |
1721 | else { |
1722 | PUSHs(&PL_sv_undef); | |
1723 | PUSHs(&PL_sv_undef); | |
1724 | } | |
bafb2adc | 1725 | if (CxTYPE(cx) == CXt_SUB && CxHASARGS(cx) |
ed094faf | 1726 | && CopSTASH_eq(PL_curcop, PL_debstash)) |
4633a7c4 | 1727 | { |
66a1b24b AL |
1728 | AV * const ary = cx->blk_sub.argarray; |
1729 | const int off = AvARRAY(ary) - AvALLOC(ary); | |
a0d0e21e | 1730 | |
3280af22 | 1731 | if (!PL_dbargs) { |
71315bf2 | 1732 | GV* const tmpgv = gv_fetchpvs("DB::args", GV_ADD, SVt_PVAV); |
0bd48802 | 1733 | PL_dbargs = GvAV(gv_AVadd(tmpgv)); |
a5f75d66 | 1734 | GvMULTI_on(tmpgv); |
3ddcf04c | 1735 | AvREAL_off(PL_dbargs); /* XXX should be REIFY (see av.h) */ |
a0d0e21e LW |
1736 | } |
1737 | ||
3280af22 NIS |
1738 | if (AvMAX(PL_dbargs) < AvFILLp(ary) + off) |
1739 | av_extend(PL_dbargs, AvFILLp(ary) + off); | |
1740 | Copy(AvALLOC(ary), AvARRAY(PL_dbargs), AvFILLp(ary) + 1 + off, SV*); | |
1741 | AvFILLp(PL_dbargs) = AvFILLp(ary) + off; | |
a0d0e21e | 1742 | } |
f3aa04c2 GS |
1743 | /* XXX only hints propagated via op_private are currently |
1744 | * visible (others are not easily accessible, since they | |
1745 | * use the global PL_hints) */ | |
6e449a3a | 1746 | mPUSHi(CopHINTS_get(cx->blk_oldcop)); |
e476b1b5 GS |
1747 | { |
1748 | SV * mask ; | |
72dc9ed5 | 1749 | STRLEN * const old_warnings = cx->blk_oldcop->cop_warnings ; |
114bafba | 1750 | |
ac27b0f5 | 1751 | if (old_warnings == pWARN_NONE || |
114bafba | 1752 | (old_warnings == pWARN_STD && (PL_dowarn & G_WARN_ON) == 0)) |
e476b1b5 | 1753 | mask = newSVpvn(WARN_NONEstring, WARNsize) ; |
ac27b0f5 | 1754 | else if (old_warnings == pWARN_ALL || |
75b6c4ca RGS |
1755 | (old_warnings == pWARN_STD && PL_dowarn & G_WARN_ON)) { |
1756 | /* Get the bit mask for $warnings::Bits{all}, because | |
1757 | * it could have been extended by warnings::register */ | |
1758 | SV **bits_all; | |
0bd48802 | 1759 | HV * const bits = get_hv("warnings::Bits", FALSE); |
017a3ce5 | 1760 | if (bits && (bits_all=hv_fetchs(bits, "all", FALSE))) { |
75b6c4ca RGS |
1761 | mask = newSVsv(*bits_all); |
1762 | } | |
1763 | else { | |
1764 | mask = newSVpvn(WARN_ALLstring, WARNsize) ; | |
1765 | } | |
1766 | } | |
e476b1b5 | 1767 | else |
72dc9ed5 | 1768 | mask = newSVpvn((char *) (old_warnings + 1), old_warnings[0]); |
6e449a3a | 1769 | mPUSHs(mask); |
e476b1b5 | 1770 | } |
b3ca2e83 | 1771 | |
c28fe1ec | 1772 | PUSHs(cx->blk_oldcop->cop_hints_hash ? |
b3ca2e83 | 1773 | sv_2mortal(newRV_noinc( |
c28fe1ec NC |
1774 | (SV*)Perl_refcounted_he_chain_2hv(aTHX_ |
1775 | cx->blk_oldcop->cop_hints_hash))) | |
b3ca2e83 | 1776 | : &PL_sv_undef); |
a0d0e21e LW |
1777 | RETURN; |
1778 | } | |
1779 | ||
a0d0e21e LW |
1780 | PP(pp_reset) |
1781 | { | |
97aff369 | 1782 | dVAR; |
39644a26 | 1783 | dSP; |
10edeb5d | 1784 | const char * const tmps = (MAXARG < 1) ? (const char *)"" : POPpconstx; |
11faa288 | 1785 | sv_reset(tmps, CopSTASH(PL_curcop)); |
3280af22 | 1786 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1787 | RETURN; |
1788 | } | |
1789 | ||
dd2155a4 DM |
1790 | /* like pp_nextstate, but used instead when the debugger is active */ |
1791 | ||
a0d0e21e LW |
1792 | PP(pp_dbstate) |
1793 | { | |
27da23d5 | 1794 | dVAR; |
533c011a | 1795 | PL_curcop = (COP*)PL_op; |
a0d0e21e | 1796 | TAINT_NOT; /* Each statement is presumed innocent */ |
3280af22 | 1797 | PL_stack_sp = PL_stack_base + cxstack[cxstack_ix].blk_oldsp; |
a0d0e21e LW |
1798 | FREETMPS; |
1799 | ||
5df8de69 DM |
1800 | if (PL_op->op_flags & OPf_SPECIAL /* breakpoint */ |
1801 | || SvIV(PL_DBsingle) || SvIV(PL_DBsignal) || SvIV(PL_DBtrace)) | |
a0d0e21e | 1802 | { |
39644a26 | 1803 | dSP; |
c09156bb | 1804 | register PERL_CONTEXT *cx; |
f54cb97a | 1805 | const I32 gimme = G_ARRAY; |
eb160463 | 1806 | U8 hasargs; |
0bd48802 AL |
1807 | GV * const gv = PL_DBgv; |
1808 | register CV * const cv = GvCV(gv); | |
a0d0e21e | 1809 | |
a0d0e21e | 1810 | if (!cv) |
cea2e8a9 | 1811 | DIE(aTHX_ "No DB::DB routine defined"); |
a0d0e21e | 1812 | |
aea4f609 DM |
1813 | if (CvDEPTH(cv) >= 1 && !(PL_debug & DEBUG_DB_RECURSE_FLAG)) |
1814 | /* don't do recursive DB::DB call */ | |
a0d0e21e | 1815 | return NORMAL; |
748a9306 | 1816 | |
4633a7c4 LW |
1817 | ENTER; |
1818 | SAVETMPS; | |
1819 | ||
3280af22 | 1820 | SAVEI32(PL_debug); |
55497cff | 1821 | SAVESTACK_POS(); |
3280af22 | 1822 | PL_debug = 0; |
748a9306 | 1823 | hasargs = 0; |
924508f0 | 1824 | SPAGAIN; |
748a9306 | 1825 | |
aed2304a | 1826 | if (CvISXSUB(cv)) { |
c127bd3a SF |
1827 | CvDEPTH(cv)++; |
1828 | PUSHMARK(SP); | |
1829 | (void)(*CvXSUB(cv))(aTHX_ cv); | |
1830 | CvDEPTH(cv)--; | |
1831 | FREETMPS; | |
1832 | LEAVE; | |
1833 | return NORMAL; | |
1834 | } | |
1835 | else { | |
1836 | PUSHBLOCK(cx, CXt_SUB, SP); | |
1837 | PUSHSUB_DB(cx); | |
1838 | cx->blk_sub.retop = PL_op->op_next; | |
1839 | CvDEPTH(cv)++; | |
1840 | SAVECOMPPAD(); | |
1841 | PAD_SET_CUR_NOSAVE(CvPADLIST(cv), 1); | |
1842 | RETURNOP(CvSTART(cv)); | |
1843 | } | |
a0d0e21e LW |
1844 | } |
1845 | else | |
1846 | return NORMAL; | |
1847 | } | |
1848 | ||
a0d0e21e LW |
1849 | PP(pp_enteriter) |
1850 | { | |
27da23d5 | 1851 | dVAR; dSP; dMARK; |
c09156bb | 1852 | register PERL_CONTEXT *cx; |
f54cb97a | 1853 | const I32 gimme = GIMME_V; |
a0d0e21e | 1854 | SV **svp; |
840fe433 | 1855 | U8 cxtype = CXt_LOOP_FOR; |
7766f137 | 1856 | #ifdef USE_ITHREADS |
e846cb92 | 1857 | PAD *iterdata; |
7766f137 | 1858 | #endif |
a0d0e21e | 1859 | |
4633a7c4 LW |
1860 | ENTER; |
1861 | SAVETMPS; | |
1862 | ||
533c011a | 1863 | if (PL_op->op_targ) { |
14f338dc DM |
1864 | if (PL_op->op_private & OPpLVAL_INTRO) { /* for my $x (...) */ |
1865 | SvPADSTALE_off(PAD_SVl(PL_op->op_targ)); | |
1866 | SAVESETSVFLAGS(PAD_SVl(PL_op->op_targ), | |
1867 | SVs_PADSTALE, SVs_PADSTALE); | |
1868 | } | |
09edbca0 | 1869 | SAVEPADSVANDMORTALIZE(PL_op->op_targ); |
c3564e5c | 1870 | #ifndef USE_ITHREADS |
dd2155a4 | 1871 | svp = &PAD_SVl(PL_op->op_targ); /* "my" variable */ |
c3564e5c | 1872 | #else |
e846cb92 | 1873 | iterdata = NULL; |
7766f137 | 1874 | #endif |
54b9620d MB |
1875 | } |
1876 | else { | |
0bd48802 | 1877 | GV * const gv = (GV*)POPs; |
7766f137 | 1878 | svp = &GvSV(gv); /* symbol table variable */ |
0214ae40 | 1879 | SAVEGENERICSV(*svp); |
561b68a9 | 1880 | *svp = newSV(0); |
7766f137 | 1881 | #ifdef USE_ITHREADS |
e846cb92 | 1882 | iterdata = (PAD*)gv; |
7766f137 | 1883 | #endif |
54b9620d | 1884 | } |
4633a7c4 | 1885 | |
0d863452 RH |
1886 | if (PL_op->op_private & OPpITER_DEF) |
1887 | cxtype |= CXp_FOR_DEF; | |
1888 | ||
a0d0e21e LW |
1889 | ENTER; |
1890 | ||
7766f137 GS |
1891 | PUSHBLOCK(cx, cxtype, SP); |
1892 | #ifdef USE_ITHREADS | |
e846cb92 | 1893 | PUSHLOOP_FOR(cx, iterdata, MARK, PL_op->op_targ); |
7766f137 | 1894 | #else |
52d1f6fb | 1895 | PUSHLOOP_FOR(cx, svp, MARK, 0); |
7766f137 | 1896 | #endif |
533c011a | 1897 | if (PL_op->op_flags & OPf_STACKED) { |
d01136d6 BS |
1898 | SV *maybe_ary = POPs; |
1899 | if (SvTYPE(maybe_ary) != SVt_PVAV) { | |
89ea2908 | 1900 | dPOPss; |
d01136d6 | 1901 | SV * const right = maybe_ary; |
984a4bea RD |
1902 | SvGETMAGIC(sv); |
1903 | SvGETMAGIC(right); | |
4fe3f0fa | 1904 | if (RANGE_IS_NUMERIC(sv,right)) { |
d01136d6 | 1905 | cx->cx_type &= ~CXTYPEMASK; |
c6fdafd0 NC |
1906 | cx->cx_type |= CXt_LOOP_LAZYIV; |
1907 | /* Make sure that no-one re-orders cop.h and breaks our | |
1908 | assumptions */ | |
1909 | assert(CxTYPE(cx) == CXt_LOOP_LAZYIV); | |
a2309040 JH |
1910 | #ifdef NV_PRESERVES_UV |
1911 | if ((SvOK(sv) && ((SvNV(sv) < (NV)IV_MIN) || | |
1912 | (SvNV(sv) > (NV)IV_MAX))) | |
1913 | || | |
1914 | (SvOK(right) && ((SvNV(right) > (NV)IV_MAX) || | |
1915 | (SvNV(right) < (NV)IV_MIN)))) | |
1916 | #else | |
1917 | if ((SvOK(sv) && ((SvNV(sv) <= (NV)IV_MIN) | |
1918 | || | |
1919 | ((SvNV(sv) > 0) && | |
1920 | ((SvUV(sv) > (UV)IV_MAX) || | |
1921 | (SvNV(sv) > (NV)UV_MAX))))) | |
1922 | || | |
1923 | (SvOK(right) && ((SvNV(right) <= (NV)IV_MIN) | |
1924 | || | |
1925 | ((SvNV(right) > 0) && | |
1926 | ((SvUV(right) > (UV)IV_MAX) || | |
1927 | (SvNV(right) > (NV)UV_MAX)))))) | |
1928 | #endif | |
076d9a11 | 1929 | DIE(aTHX_ "Range iterator outside integer range"); |
d01136d6 BS |
1930 | cx->blk_loop.state_u.lazyiv.cur = SvIV(sv); |
1931 | cx->blk_loop.state_u.lazyiv.end = SvIV(right); | |
d4665a05 DM |
1932 | #ifdef DEBUGGING |
1933 | /* for correct -Dstv display */ | |
1934 | cx->blk_oldsp = sp - PL_stack_base; | |
1935 | #endif | |
89ea2908 | 1936 | } |
3f63a782 | 1937 | else { |
d01136d6 BS |
1938 | cx->cx_type &= ~CXTYPEMASK; |
1939 | cx->cx_type |= CXt_LOOP_LAZYSV; | |
1940 | /* Make sure that no-one re-orders cop.h and breaks our | |
1941 | assumptions */ | |
1942 | assert(CxTYPE(cx) == CXt_LOOP_LAZYSV); | |
1943 | cx->blk_loop.state_u.lazysv.cur = newSVsv(sv); | |
1944 | cx->blk_loop.state_u.lazysv.end = right; | |
1945 | SvREFCNT_inc(right); | |
1946 | (void) SvPV_force_nolen(cx->blk_loop.state_u.lazysv.cur); | |
267cc4a8 NC |
1947 | /* This will do the upgrade to SVt_PV, and warn if the value |
1948 | is uninitialised. */ | |
10516c54 | 1949 | (void) SvPV_nolen_const(right); |
267cc4a8 NC |
1950 | /* Doing this avoids a check every time in pp_iter in pp_hot.c |
1951 | to replace !SvOK() with a pointer to "". */ | |
1952 | if (!SvOK(right)) { | |
1953 | SvREFCNT_dec(right); | |
d01136d6 | 1954 | cx->blk_loop.state_u.lazysv.end = &PL_sv_no; |
267cc4a8 | 1955 | } |
3f63a782 | 1956 | } |
89ea2908 | 1957 | } |
d01136d6 BS |
1958 | else /* SvTYPE(maybe_ary) == SVt_PVAV */ { |
1959 | cx->blk_loop.state_u.ary.ary = (AV*)maybe_ary; | |
1960 | SvREFCNT_inc(maybe_ary); | |
1961 | cx->blk_loop.state_u.ary.ix = | |
1962 | (PL_op->op_private & OPpITER_REVERSED) ? | |
1963 | AvFILL(cx->blk_loop.state_u.ary.ary) + 1 : | |
1964 | -1; | |
ef3e5ea9 | 1965 | } |
89ea2908 | 1966 | } |
d01136d6 BS |
1967 | else { /* iterating over items on the stack */ |
1968 | cx->blk_loop.state_u.ary.ary = NULL; /* means to use the stack */ | |
ef3e5ea9 | 1969 | if (PL_op->op_private & OPpITER_REVERSED) { |
d01136d6 | 1970 | cx->blk_loop.state_u.ary.ix = cx->blk_oldsp + 1; |
ef3e5ea9 NC |
1971 | } |
1972 | else { | |
d01136d6 | 1973 | cx->blk_loop.state_u.ary.ix = MARK - PL_stack_base; |
ef3e5ea9 | 1974 | } |
4633a7c4 | 1975 | } |
a0d0e21e LW |
1976 | |
1977 | RETURN; | |
1978 | } | |
1979 | ||
1980 | PP(pp_enterloop) | |
1981 | { | |
27da23d5 | 1982 | dVAR; dSP; |
c09156bb | 1983 | register PERL_CONTEXT *cx; |
f54cb97a | 1984 | const I32 gimme = GIMME_V; |
a0d0e21e LW |
1985 | |
1986 | ENTER; | |
1987 | SAVETMPS; | |
1988 | ENTER; | |
1989 | ||
3b719c58 NC |
1990 | PUSHBLOCK(cx, CXt_LOOP_PLAIN, SP); |
1991 | PUSHLOOP_PLAIN(cx, SP); | |
a0d0e21e LW |
1992 | |
1993 | RETURN; | |
1994 | } | |
1995 | ||
1996 | PP(pp_leaveloop) | |
1997 | { | |
27da23d5 | 1998 | dVAR; dSP; |
c09156bb | 1999 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
2000 | I32 gimme; |
2001 | SV **newsp; | |
2002 | PMOP *newpm; | |
2003 | SV **mark; | |
2004 | ||
2005 | POPBLOCK(cx,newpm); | |
3b719c58 | 2006 | assert(CxTYPE_is_LOOP(cx)); |
4fdae800 | 2007 | mark = newsp; |
a8bba7fa | 2008 | newsp = PL_stack_base + cx->blk_loop.resetsp; |
f86702cc | 2009 | |
a1f49e72 | 2010 | TAINT_NOT; |
54310121 | 2011 | if (gimme == G_VOID) |
6f207bd3 | 2012 | NOOP; |
54310121 | 2013 | else if (gimme == G_SCALAR) { |
2014 | if (mark < SP) | |
2015 | *++newsp = sv_mortalcopy(*SP); | |
2016 | else | |
3280af22 | 2017 | *++newsp = &PL_sv_undef; |
a0d0e21e LW |
2018 | } |
2019 | else { | |
a1f49e72 | 2020 | while (mark < SP) { |
a0d0e21e | 2021 | *++newsp = sv_mortalcopy(*++mark); |
a1f49e72 CS |
2022 | TAINT_NOT; /* Each item is independent */ |
2023 | } | |
a0d0e21e | 2024 | } |
f86702cc | 2025 | SP = newsp; |
2026 | PUTBACK; | |
2027 | ||
a8bba7fa | 2028 | POPLOOP(cx); /* Stack values are safe: release loop vars ... */ |
3280af22 | 2029 | PL_curpm = newpm; /* ... and pop $1 et al */ |
f86702cc | 2030 | |
a0d0e21e LW |
2031 | LEAVE; |
2032 | LEAVE; | |
2033 | ||
f86702cc | 2034 | return NORMAL; |
a0d0e21e LW |
2035 | } |
2036 | ||
2037 | PP(pp_return) | |
2038 | { | |
27da23d5 | 2039 | dVAR; dSP; dMARK; |
c09156bb | 2040 | register PERL_CONTEXT *cx; |
f86702cc | 2041 | bool popsub2 = FALSE; |
b45de488 | 2042 | bool clear_errsv = FALSE; |
a0d0e21e LW |
2043 | I32 gimme; |
2044 | SV **newsp; | |
2045 | PMOP *newpm; | |
2046 | I32 optype = 0; | |
b0d9ce38 | 2047 | SV *sv; |
f39bc417 | 2048 | OP *retop; |
a0d0e21e | 2049 | |
0bd48802 AL |
2050 | const I32 cxix = dopoptosub(cxstack_ix); |
2051 | ||
9850bf21 RH |
2052 | if (cxix < 0) { |
2053 | if (CxMULTICALL(cxstack)) { /* In this case we must be in a | |
2054 | * sort block, which is a CXt_NULL | |
2055 | * not a CXt_SUB */ | |
2056 | dounwind(0); | |
d7507f74 RH |
2057 | PL_stack_base[1] = *PL_stack_sp; |
2058 | PL_stack_sp = PL_stack_base + 1; | |
a0d0e21e LW |
2059 | return 0; |
2060 | } | |
9850bf21 RH |
2061 | else |
2062 | DIE(aTHX_ "Can't return outside a subroutine"); | |
a0d0e21e | 2063 | } |
a0d0e21e LW |
2064 | if (cxix < cxstack_ix) |
2065 | dounwind(cxix); | |
2066 | ||
d7507f74 RH |
2067 | if (CxMULTICALL(&cxstack[cxix])) { |
2068 | gimme = cxstack[cxix].blk_gimme; | |
2069 | if (gimme == G_VOID) | |
2070 | PL_stack_sp = PL_stack_base; | |
2071 | else if (gimme == G_SCALAR) { | |
2072 | PL_stack_base[1] = *PL_stack_sp; | |
2073 | PL_stack_sp = PL_stack_base + 1; | |
2074 | } | |
9850bf21 | 2075 | return 0; |
d7507f74 | 2076 | } |
9850bf21 | 2077 | |
a0d0e21e | 2078 | POPBLOCK(cx,newpm); |
6b35e009 | 2079 | switch (CxTYPE(cx)) { |
a0d0e21e | 2080 | case CXt_SUB: |
f86702cc | 2081 | popsub2 = TRUE; |
f39bc417 | 2082 | retop = cx->blk_sub.retop; |
5dd42e15 | 2083 | cxstack_ix++; /* preserve cx entry on stack for use by POPSUB */ |
a0d0e21e LW |
2084 | break; |
2085 | case CXt_EVAL: | |
b45de488 GS |
2086 | if (!(PL_in_eval & EVAL_KEEPERR)) |
2087 | clear_errsv = TRUE; | |
a0d0e21e | 2088 | POPEVAL(cx); |
f39bc417 | 2089 | retop = cx->blk_eval.retop; |
1d76a5c3 GS |
2090 | if (CxTRYBLOCK(cx)) |
2091 | break; | |
067f92a0 | 2092 | lex_end(); |
748a9306 LW |
2093 | if (optype == OP_REQUIRE && |
2094 | (MARK == SP || (gimme == G_SCALAR && !SvTRUE(*SP))) ) | |
2095 | { | |
54310121 | 2096 | /* Unassume the success we assumed earlier. */ |
901017d6 | 2097 | SV * const nsv = cx->blk_eval.old_namesv; |
b15aece3 | 2098 | (void)hv_delete(GvHVn(PL_incgv), SvPVX_const(nsv), SvCUR(nsv), G_DISCARD); |
be2597df | 2099 | DIE(aTHX_ "%"SVf" did not return a true value", SVfARG(nsv)); |
748a9306 | 2100 | } |
a0d0e21e | 2101 | break; |
7766f137 GS |
2102 | case CXt_FORMAT: |
2103 | POPFORMAT(cx); | |
f39bc417 | 2104 | retop = cx->blk_sub.retop; |
7766f137 | 2105 | break; |
a0d0e21e | 2106 | default: |
cea2e8a9 | 2107 | DIE(aTHX_ "panic: return"); |
a0d0e21e LW |
2108 | } |
2109 | ||
a1f49e72 | 2110 | TAINT_NOT; |
a0d0e21e | 2111 | if (gimme == G_SCALAR) { |
a29cdaf0 IZ |
2112 | if (MARK < SP) { |
2113 | if (popsub2) { | |
a8bba7fa | 2114 | if (cx->blk_sub.cv && CvDEPTH(cx->blk_sub.cv) > 1) { |
a29cdaf0 IZ |
2115 | if (SvTEMP(TOPs)) { |
2116 | *++newsp = SvREFCNT_inc(*SP); | |
2117 | FREETMPS; | |
2118 | sv_2mortal(*newsp); | |
959e3673 GS |
2119 | } |
2120 | else { | |
2121 | sv = SvREFCNT_inc(*SP); /* FREETMPS could clobber it */ | |
a29cdaf0 | 2122 | FREETMPS; |
959e3673 GS |
2123 | *++newsp = sv_mortalcopy(sv); |
2124 | SvREFCNT_dec(sv); | |
a29cdaf0 | 2125 | } |
959e3673 GS |
2126 | } |
2127 | else | |
a29cdaf0 | 2128 | *++newsp = (SvTEMP(*SP)) ? *SP : sv_mortalcopy(*SP); |
959e3673 GS |
2129 | } |
2130 | else | |
a29cdaf0 | 2131 | *++newsp = sv_mortalcopy(*SP); |
959e3673 GS |
2132 | } |
2133 | else | |
3280af22 | 2134 | *++newsp = &PL_sv_undef; |
a0d0e21e | 2135 | } |
54310121 | 2136 | else if (gimme == G_ARRAY) { |
a1f49e72 | 2137 | while (++MARK <= SP) { |
f86702cc | 2138 | *++newsp = (popsub2 && SvTEMP(*MARK)) |
2139 | ? *MARK : sv_mortalcopy(*MARK); | |
a1f49e72 CS |
2140 | TAINT_NOT; /* Each item is independent */ |
2141 | } | |
a0d0e21e | 2142 | } |
3280af22 | 2143 | PL_stack_sp = newsp; |
a0d0e21e | 2144 | |
5dd42e15 | 2145 | LEAVE; |
f86702cc | 2146 | /* Stack values are safe: */ |
2147 | if (popsub2) { | |
5dd42e15 | 2148 | cxstack_ix--; |
b0d9ce38 | 2149 | POPSUB(cx,sv); /* release CV and @_ ... */ |
f86702cc | 2150 | } |
b0d9ce38 | 2151 | else |
c445ea15 | 2152 | sv = NULL; |
3280af22 | 2153 | PL_curpm = newpm; /* ... and pop $1 et al */ |
f86702cc | 2154 | |
b0d9ce38 | 2155 | LEAVESUB(sv); |
b45de488 | 2156 | if (clear_errsv) |
c69006e4 | 2157 | sv_setpvn(ERRSV,"",0); |
f39bc417 | 2158 | return retop; |
a0d0e21e LW |
2159 | } |
2160 | ||
2161 | PP(pp_last) | |
2162 | { | |
27da23d5 | 2163 | dVAR; dSP; |
a0d0e21e | 2164 | I32 cxix; |
c09156bb | 2165 | register PERL_CONTEXT *cx; |
f86702cc | 2166 | I32 pop2 = 0; |
a0d0e21e | 2167 | I32 gimme; |
8772537c | 2168 | I32 optype; |
a0d0e21e LW |
2169 | OP *nextop; |
2170 | SV **newsp; | |
2171 | PMOP *newpm; | |
a8bba7fa | 2172 | SV **mark; |
c445ea15 | 2173 | SV *sv = NULL; |
9d4ba2ae | 2174 | |
a0d0e21e | 2175 | |
533c011a | 2176 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
2177 | cxix = dopoptoloop(cxstack_ix); |
2178 | if (cxix < 0) | |
a651a37d | 2179 | DIE(aTHX_ "Can't \"last\" outside a loop block"); |
a0d0e21e LW |
2180 | } |
2181 | else { | |
2182 | cxix = dopoptolabel(cPVOP->op_pv); | |
2183 | if (cxix < 0) | |
cea2e8a9 | 2184 | DIE(aTHX_ "Label not found for \"last %s\"", cPVOP->op_pv); |
a0d0e21e LW |
2185 | } |
2186 | if (cxix < cxstack_ix) | |
2187 | dounwind(cxix); | |
2188 | ||
2189 | POPBLOCK(cx,newpm); | |
5dd42e15 | 2190 | cxstack_ix++; /* temporarily protect top context */ |
a8bba7fa | 2191 | mark = newsp; |
6b35e009 | 2192 | switch (CxTYPE(cx)) { |
c6fdafd0 | 2193 | case CXt_LOOP_LAZYIV: |
d01136d6 | 2194 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
2195 | case CXt_LOOP_FOR: |
2196 | case CXt_LOOP_PLAIN: | |
2197 | pop2 = CxTYPE(cx); | |
a8bba7fa | 2198 | newsp = PL_stack_base + cx->blk_loop.resetsp; |
022eaa24 | 2199 | nextop = cx->blk_loop.my_op->op_lastop->op_next; |
a0d0e21e | 2200 | break; |
f86702cc | 2201 | case CXt_SUB: |
f86702cc | 2202 | pop2 = CXt_SUB; |
f39bc417 | 2203 | nextop = cx->blk_sub.retop; |
a0d0e21e | 2204 | break; |
f86702cc | 2205 | case CXt_EVAL: |
2206 | POPEVAL(cx); | |
f39bc417 | 2207 | nextop = cx->blk_eval.retop; |
a0d0e21e | 2208 | break; |
7766f137 GS |
2209 | case CXt_FORMAT: |
2210 | POPFORMAT(cx); | |
f39bc417 | 2211 | nextop = cx->blk_sub.retop; |
7766f137 | 2212 | break; |
a0d0e21e | 2213 | default: |
cea2e8a9 | 2214 | DIE(aTHX_ "panic: last"); |
a0d0e21e LW |
2215 | } |
2216 | ||
a1f49e72 | 2217 | TAINT_NOT; |
a0d0e21e | 2218 | if (gimme == G_SCALAR) { |
f86702cc | 2219 | if (MARK < SP) |
2220 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*SP)) | |
2221 | ? *SP : sv_mortalcopy(*SP); | |
a0d0e21e | 2222 | else |
3280af22 | 2223 | *++newsp = &PL_sv_undef; |
a0d0e21e | 2224 | } |
54310121 | 2225 | else if (gimme == G_ARRAY) { |
a1f49e72 | 2226 | while (++MARK <= SP) { |
f86702cc | 2227 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*MARK)) |
2228 | ? *MARK : sv_mortalcopy(*MARK); | |
a1f49e72 CS |
2229 | TAINT_NOT; /* Each item is independent */ |
2230 | } | |
f86702cc | 2231 | } |
2232 | SP = newsp; | |
2233 | PUTBACK; | |
2234 | ||
5dd42e15 DM |
2235 | LEAVE; |
2236 | cxstack_ix--; | |
f86702cc | 2237 | /* Stack values are safe: */ |
2238 | switch (pop2) { | |
c6fdafd0 | 2239 | case CXt_LOOP_LAZYIV: |
3b719c58 | 2240 | case CXt_LOOP_PLAIN: |
d01136d6 | 2241 | case CXt_LOOP_LAZYSV: |
3b719c58 | 2242 | case CXt_LOOP_FOR: |
a8bba7fa | 2243 | POPLOOP(cx); /* release loop vars ... */ |
4fdae800 | 2244 | LEAVE; |
f86702cc | 2245 | break; |
2246 | case CXt_SUB: | |
b0d9ce38 | 2247 | POPSUB(cx,sv); /* release CV and @_ ... */ |
f86702cc | 2248 | break; |
a0d0e21e | 2249 | } |
3280af22 | 2250 | PL_curpm = newpm; /* ... and pop $1 et al */ |
a0d0e21e | 2251 | |
b0d9ce38 | 2252 | LEAVESUB(sv); |
9d4ba2ae AL |
2253 | PERL_UNUSED_VAR(optype); |
2254 | PERL_UNUSED_VAR(gimme); | |
f86702cc | 2255 | return nextop; |
a0d0e21e LW |
2256 | } |
2257 | ||
2258 | PP(pp_next) | |
2259 | { | |
27da23d5 | 2260 | dVAR; |
a0d0e21e | 2261 | I32 cxix; |
c09156bb | 2262 | register PERL_CONTEXT *cx; |
85538317 | 2263 | I32 inner; |
a0d0e21e | 2264 | |
533c011a | 2265 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
2266 | cxix = dopoptoloop(cxstack_ix); |
2267 | if (cxix < 0) | |
a651a37d | 2268 | DIE(aTHX_ "Can't \"next\" outside a loop block"); |
a0d0e21e LW |
2269 | } |
2270 | else { | |
2271 | cxix = dopoptolabel(cPVOP->op_pv); | |
2272 | if (cxix < 0) | |
cea2e8a9 | 2273 | DIE(aTHX_ "Label not found for \"next %s\"", cPVOP->op_pv); |
a0d0e21e LW |
2274 | } |
2275 | if (cxix < cxstack_ix) | |
2276 | dounwind(cxix); | |
2277 | ||
85538317 GS |
2278 | /* clear off anything above the scope we're re-entering, but |
2279 | * save the rest until after a possible continue block */ | |
2280 | inner = PL_scopestack_ix; | |
1ba6ee2b | 2281 | TOPBLOCK(cx); |
85538317 GS |
2282 | if (PL_scopestack_ix < inner) |
2283 | leave_scope(PL_scopestack[PL_scopestack_ix]); | |
3a1b2b9e | 2284 | PL_curcop = cx->blk_oldcop; |
022eaa24 | 2285 | return CX_LOOP_NEXTOP_GET(cx); |
a0d0e21e LW |
2286 | } |
2287 | ||
2288 | PP(pp_redo) | |
2289 | { | |
27da23d5 | 2290 | dVAR; |
a0d0e21e | 2291 | I32 cxix; |
c09156bb | 2292 | register PERL_CONTEXT *cx; |
a0d0e21e | 2293 | I32 oldsave; |
a034e688 | 2294 | OP* redo_op; |
a0d0e21e | 2295 | |
533c011a | 2296 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
2297 | cxix = dopoptoloop(cxstack_ix); |
2298 | if (cxix < 0) | |
a651a37d | 2299 | DIE(aTHX_ "Can't \"redo\" outside a loop block"); |
a0d0e21e LW |
2300 | } |
2301 | else { | |
2302 | cxix = dopoptolabel(cPVOP->op_pv); | |
2303 | if (cxix < 0) | |
cea2e8a9 | 2304 | DIE(aTHX_ "Label not found for \"redo %s\"", cPVOP->op_pv); |
a0d0e21e LW |
2305 | } |
2306 | if (cxix < cxstack_ix) | |
2307 | dounwind(cxix); | |
2308 | ||
022eaa24 | 2309 | redo_op = cxstack[cxix].blk_loop.my_op->op_redoop; |
a034e688 DM |
2310 | if (redo_op->op_type == OP_ENTER) { |
2311 | /* pop one less context to avoid $x being freed in while (my $x..) */ | |
2312 | cxstack_ix++; | |
2313 | assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_BLOCK); | |
2314 | redo_op = redo_op->op_next; | |
2315 | } | |
2316 | ||
a0d0e21e | 2317 | TOPBLOCK(cx); |
3280af22 | 2318 | oldsave = PL_scopestack[PL_scopestack_ix - 1]; |
a0d0e21e | 2319 | LEAVE_SCOPE(oldsave); |
936c78b5 | 2320 | FREETMPS; |
3a1b2b9e | 2321 | PL_curcop = cx->blk_oldcop; |
a034e688 | 2322 | return redo_op; |
a0d0e21e LW |
2323 | } |
2324 | ||
0824fdcb | 2325 | STATIC OP * |
bfed75c6 | 2326 | S_dofindlabel(pTHX_ OP *o, const char *label, OP **opstack, OP **oplimit) |
a0d0e21e | 2327 | { |
97aff369 | 2328 | dVAR; |
a0d0e21e | 2329 | OP **ops = opstack; |
bfed75c6 | 2330 | static const char too_deep[] = "Target of goto is too deeply nested"; |
a0d0e21e | 2331 | |
7918f24d NC |
2332 | PERL_ARGS_ASSERT_DOFINDLABEL; |
2333 | ||
fc36a67e | 2334 | if (ops >= oplimit) |
cea2e8a9 | 2335 | Perl_croak(aTHX_ too_deep); |
11343788 MB |
2336 | if (o->op_type == OP_LEAVE || |
2337 | o->op_type == OP_SCOPE || | |
2338 | o->op_type == OP_LEAVELOOP || | |
33d34e4c | 2339 | o->op_type == OP_LEAVESUB || |
11343788 | 2340 | o->op_type == OP_LEAVETRY) |
fc36a67e | 2341 | { |
5dc0d613 | 2342 | *ops++ = cUNOPo->op_first; |
fc36a67e | 2343 | if (ops >= oplimit) |
cea2e8a9 | 2344 | Perl_croak(aTHX_ too_deep); |
fc36a67e | 2345 | } |
c4aa4e48 | 2346 | *ops = 0; |
11343788 | 2347 | if (o->op_flags & OPf_KIDS) { |
aec46f14 | 2348 | OP *kid; |
a0d0e21e | 2349 | /* First try all the kids at this level, since that's likeliest. */ |
11343788 | 2350 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
c4aa4e48 GS |
2351 | if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) && |
2352 | kCOP->cop_label && strEQ(kCOP->cop_label, label)) | |
a0d0e21e LW |
2353 | return kid; |
2354 | } | |
11343788 | 2355 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
3280af22 | 2356 | if (kid == PL_lastgotoprobe) |
a0d0e21e | 2357 | continue; |
ed8d0fe2 SM |
2358 | if (kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) { |
2359 | if (ops == opstack) | |
2360 | *ops++ = kid; | |
2361 | else if (ops[-1]->op_type == OP_NEXTSTATE || | |
2362 | ops[-1]->op_type == OP_DBSTATE) | |
2363 | ops[-1] = kid; | |
2364 | else | |
2365 | *ops++ = kid; | |
2366 | } | |
155aba94 | 2367 | if ((o = dofindlabel(kid, label, ops, oplimit))) |
11343788 | 2368 | return o; |
a0d0e21e LW |
2369 | } |
2370 | } | |
c4aa4e48 | 2371 | *ops = 0; |
a0d0e21e LW |
2372 | return 0; |
2373 | } | |
2374 | ||
a0d0e21e LW |
2375 | PP(pp_goto) |
2376 | { | |
27da23d5 | 2377 | dVAR; dSP; |
cbbf8932 | 2378 | OP *retop = NULL; |
a0d0e21e | 2379 | I32 ix; |
c09156bb | 2380 | register PERL_CONTEXT *cx; |
fc36a67e | 2381 | #define GOTO_DEPTH 64 |
2382 | OP *enterops[GOTO_DEPTH]; | |
cbbf8932 | 2383 | const char *label = NULL; |
bfed75c6 AL |
2384 | const bool do_dump = (PL_op->op_type == OP_DUMP); |
2385 | static const char must_have_label[] = "goto must have label"; | |
a0d0e21e | 2386 | |
533c011a | 2387 | if (PL_op->op_flags & OPf_STACKED) { |
9d4ba2ae | 2388 | SV * const sv = POPs; |
a0d0e21e LW |
2389 | |
2390 | /* This egregious kludge implements goto &subroutine */ | |
2391 | if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) { | |
2392 | I32 cxix; | |
c09156bb | 2393 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
2394 | CV* cv = (CV*)SvRV(sv); |
2395 | SV** mark; | |
2396 | I32 items = 0; | |
2397 | I32 oldsave; | |
b1464ded | 2398 | bool reified = 0; |
a0d0e21e | 2399 | |
e8f7dd13 | 2400 | retry: |
4aa0a1f7 | 2401 | if (!CvROOT(cv) && !CvXSUB(cv)) { |
7fc63493 | 2402 | const GV * const gv = CvGV(cv); |
e8f7dd13 | 2403 | if (gv) { |
7fc63493 | 2404 | GV *autogv; |
e8f7dd13 GS |
2405 | SV *tmpstr; |
2406 | /* autoloaded stub? */ | |
2407 | if (cv != GvCV(gv) && (cv = GvCV(gv))) | |
2408 | goto retry; | |
2409 | autogv = gv_autoload4(GvSTASH(gv), GvNAME(gv), | |
2410 | GvNAMELEN(gv), FALSE); | |
2411 | if (autogv && (cv = GvCV(autogv))) | |
2412 | goto retry; | |
2413 | tmpstr = sv_newmortal(); | |
c445ea15 | 2414 | gv_efullname3(tmpstr, gv, NULL); |
be2597df | 2415 | DIE(aTHX_ "Goto undefined subroutine &%"SVf"", SVfARG(tmpstr)); |
4aa0a1f7 | 2416 | } |
cea2e8a9 | 2417 | DIE(aTHX_ "Goto undefined subroutine"); |
4aa0a1f7 AD |
2418 | } |
2419 | ||
a0d0e21e | 2420 | /* First do some returnish stuff. */ |
b37c2d43 | 2421 | SvREFCNT_inc_simple_void(cv); /* avoid premature free during unwind */ |
71fc2216 | 2422 | FREETMPS; |
a0d0e21e LW |
2423 | cxix = dopoptosub(cxstack_ix); |
2424 | if (cxix < 0) | |
cea2e8a9 | 2425 | DIE(aTHX_ "Can't goto subroutine outside a subroutine"); |
a0d0e21e LW |
2426 | if (cxix < cxstack_ix) |
2427 | dounwind(cxix); | |
2428 | TOPBLOCK(cx); | |
2d43a17f | 2429 | SPAGAIN; |
564abe23 | 2430 | /* ban goto in eval: see <20050521150056.GC20213@iabyn.com> */ |
2d43a17f | 2431 | if (CxTYPE(cx) == CXt_EVAL) { |
c74ace89 DM |
2432 | if (CxREALEVAL(cx)) |
2433 | DIE(aTHX_ "Can't goto subroutine from an eval-string"); | |
2434 | else | |
2435 | DIE(aTHX_ "Can't goto subroutine from an eval-block"); | |
2d43a17f | 2436 | } |
9850bf21 RH |
2437 | else if (CxMULTICALL(cx)) |
2438 | DIE(aTHX_ "Can't goto subroutine from a sort sub (or similar callback)"); | |
bafb2adc | 2439 | if (CxTYPE(cx) == CXt_SUB && CxHASARGS(cx)) { |
d8b46c1b | 2440 | /* put @_ back onto stack */ |
a0d0e21e | 2441 | AV* av = cx->blk_sub.argarray; |
bfed75c6 | 2442 | |
93965878 | 2443 | items = AvFILLp(av) + 1; |
a45cdc79 DM |
2444 | EXTEND(SP, items+1); /* @_ could have been extended. */ |
2445 | Copy(AvARRAY(av), SP + 1, items, SV*); | |
3280af22 NIS |
2446 | SvREFCNT_dec(GvAV(PL_defgv)); |
2447 | GvAV(PL_defgv) = cx->blk_sub.savearray; | |
b1464ded | 2448 | CLEAR_ARGARRAY(av); |
d8b46c1b | 2449 | /* abandon @_ if it got reified */ |
62b1ebc2 | 2450 | if (AvREAL(av)) { |
b1464ded DM |
2451 | reified = 1; |
2452 | SvREFCNT_dec(av); | |
d8b46c1b GS |
2453 | av = newAV(); |
2454 | av_extend(av, items-1); | |
11ca45c0 | 2455 | AvREIFY_only(av); |
dd2155a4 | 2456 | PAD_SVl(0) = (SV*)(cx->blk_sub.argarray = av); |
62b1ebc2 | 2457 | } |
a0d0e21e | 2458 | } |
aed2304a | 2459 | else if (CvISXSUB(cv)) { /* put GvAV(defgv) back onto stack */ |
890ce7af | 2460 | AV* const av = GvAV(PL_defgv); |
1fa4e549 | 2461 | items = AvFILLp(av) + 1; |
a45cdc79 DM |
2462 | EXTEND(SP, items+1); /* @_ could have been extended. */ |
2463 | Copy(AvARRAY(av), SP + 1, items, SV*); | |
1fa4e549 | 2464 | } |
a45cdc79 DM |
2465 | mark = SP; |
2466 | SP += items; | |
6b35e009 | 2467 | if (CxTYPE(cx) == CXt_SUB && |
b150fb22 | 2468 | !(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth)) |
a0d0e21e | 2469 | SvREFCNT_dec(cx->blk_sub.cv); |
3280af22 | 2470 | oldsave = PL_scopestack[PL_scopestack_ix - 1]; |
a0d0e21e LW |
2471 | LEAVE_SCOPE(oldsave); |
2472 | ||
2473 | /* Now do some callish stuff. */ | |
2474 | SAVETMPS; | |
5023d17a | 2475 | SAVEFREESV(cv); /* later, undo the 'avoid premature free' hack */ |
aed2304a | 2476 | if (CvISXSUB(cv)) { |
b37c2d43 | 2477 | OP* const retop = cx->blk_sub.retop; |
f73ef291 NC |
2478 | SV **newsp; |
2479 | I32 gimme; | |
b1464ded DM |
2480 | if (reified) { |
2481 | I32 index; | |
2482 | for (index=0; index<items; index++) | |
2483 | sv_2mortal(SP[-index]); | |
2484 | } | |
1fa4e549 | 2485 | |
b37c2d43 AL |
2486 | /* XS subs don't have a CxSUB, so pop it */ |
2487 | POPBLOCK(cx, PL_curpm); | |
2488 | /* Push a mark for the start of arglist */ | |
2489 | PUSHMARK(mark); | |
2490 | PUTBACK; | |
2491 | (void)(*CvXSUB(cv))(aTHX_ cv); | |
a0d0e21e | 2492 | LEAVE; |
5eff7df7 | 2493 | return retop; |
a0d0e21e LW |
2494 | } |
2495 | else { | |
b37c2d43 | 2496 | AV* const padlist = CvPADLIST(cv); |
6b35e009 | 2497 | if (CxTYPE(cx) == CXt_EVAL) { |
85a64632 | 2498 | PL_in_eval = CxOLD_IN_EVAL(cx); |
3280af22 | 2499 | PL_eval_root = cx->blk_eval.old_eval_root; |
b150fb22 | 2500 | cx->cx_type = CXt_SUB; |
b150fb22 | 2501 | } |
a0d0e21e | 2502 | cx->blk_sub.cv = cv; |
1a5b3db4 | 2503 | cx->blk_sub.olddepth = CvDEPTH(cv); |
dd2155a4 | 2504 | |
a0d0e21e LW |
2505 | CvDEPTH(cv)++; |
2506 | if (CvDEPTH(cv) < 2) | |
74c765eb | 2507 | SvREFCNT_inc_simple_void_NN(cv); |
dd2155a4 | 2508 | else { |
2b9dff67 | 2509 | if (CvDEPTH(cv) == PERL_SUB_DEPTH_WARN && ckWARN(WARN_RECURSION)) |
44a8e56a | 2510 | sub_crush_depth(cv); |
26019298 | 2511 | pad_push(padlist, CvDEPTH(cv)); |
a0d0e21e | 2512 | } |
fd617465 DM |
2513 | SAVECOMPPAD(); |
2514 | PAD_SET_CUR_NOSAVE(padlist, CvDEPTH(cv)); | |
bafb2adc | 2515 | if (CxHASARGS(cx)) |
6d4ff0d2 | 2516 | { |
b37c2d43 | 2517 | AV* const av = (AV*)PAD_SVl(0); |
a0d0e21e | 2518 | |
3280af22 | 2519 | cx->blk_sub.savearray = GvAV(PL_defgv); |
b37c2d43 | 2520 | GvAV(PL_defgv) = (AV*)SvREFCNT_inc_simple(av); |
dd2155a4 | 2521 | CX_CURPAD_SAVE(cx->blk_sub); |
6d4ff0d2 | 2522 | cx->blk_sub.argarray = av; |
a0d0e21e LW |
2523 | |
2524 | if (items >= AvMAX(av) + 1) { | |
b37c2d43 | 2525 | SV **ary = AvALLOC(av); |
a0d0e21e LW |
2526 | if (AvARRAY(av) != ary) { |
2527 | AvMAX(av) += AvARRAY(av) - AvALLOC(av); | |
9c6bc640 | 2528 | AvARRAY(av) = ary; |
a0d0e21e LW |
2529 | } |
2530 | if (items >= AvMAX(av) + 1) { | |
2531 | AvMAX(av) = items - 1; | |
2532 | Renew(ary,items+1,SV*); | |
2533 | AvALLOC(av) = ary; | |
9c6bc640 | 2534 | AvARRAY(av) = ary; |
a0d0e21e LW |
2535 | } |
2536 | } | |
a45cdc79 | 2537 | ++mark; |
a0d0e21e | 2538 | Copy(mark,AvARRAY(av),items,SV*); |
93965878 | 2539 | AvFILLp(av) = items - 1; |
d8b46c1b | 2540 | assert(!AvREAL(av)); |
b1464ded DM |
2541 | if (reified) { |
2542 | /* transfer 'ownership' of refcnts to new @_ */ | |
2543 | AvREAL_on(av); | |
2544 | AvREIFY_off(av); | |
2545 | } | |
a0d0e21e LW |
2546 | while (items--) { |
2547 | if (*mark) | |
2548 | SvTEMP_off(*mark); | |
2549 | mark++; | |
2550 | } | |
2551 | } | |
491527d0 | 2552 | if (PERLDB_SUB) { /* Checking curstash breaks DProf. */ |
005a8a35 | 2553 | Perl_get_db_sub(aTHX_ NULL, cv); |
b37c2d43 AL |
2554 | if (PERLDB_GOTO) { |
2555 | CV * const gotocv = get_cv("DB::goto", FALSE); | |
2556 | if (gotocv) { | |
2557 | PUSHMARK( PL_stack_sp ); | |
2558 | call_sv((SV*)gotocv, G_SCALAR | G_NODEBUG); | |
2559 | PL_stack_sp--; | |
2560 | } | |
491527d0 | 2561 | } |
1ce6579f | 2562 | } |
a0d0e21e LW |
2563 | RETURNOP(CvSTART(cv)); |
2564 | } | |
2565 | } | |
1614b0e3 | 2566 | else { |
0510663f | 2567 | label = SvPV_nolen_const(sv); |
1614b0e3 | 2568 | if (!(do_dump || *label)) |
cea2e8a9 | 2569 | DIE(aTHX_ must_have_label); |
1614b0e3 | 2570 | } |
a0d0e21e | 2571 | } |
533c011a | 2572 | else if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e | 2573 | if (! do_dump) |
cea2e8a9 | 2574 | DIE(aTHX_ must_have_label); |
a0d0e21e LW |
2575 | } |
2576 | else | |
2577 | label = cPVOP->op_pv; | |
2578 | ||
2579 | if (label && *label) { | |
cbbf8932 | 2580 | OP *gotoprobe = NULL; |
3b2447bc | 2581 | bool leaving_eval = FALSE; |
33d34e4c | 2582 | bool in_block = FALSE; |
cbbf8932 | 2583 | PERL_CONTEXT *last_eval_cx = NULL; |
a0d0e21e LW |
2584 | |
2585 | /* find label */ | |
2586 | ||
d4c19fe8 | 2587 | PL_lastgotoprobe = NULL; |
a0d0e21e LW |
2588 | *enterops = 0; |
2589 | for (ix = cxstack_ix; ix >= 0; ix--) { | |
2590 | cx = &cxstack[ix]; | |
6b35e009 | 2591 | switch (CxTYPE(cx)) { |
a0d0e21e | 2592 | case CXt_EVAL: |
3b2447bc | 2593 | leaving_eval = TRUE; |
971ecbe6 | 2594 | if (!CxTRYBLOCK(cx)) { |
a4f3a277 RH |
2595 | gotoprobe = (last_eval_cx ? |
2596 | last_eval_cx->blk_eval.old_eval_root : | |
2597 | PL_eval_root); | |
2598 | last_eval_cx = cx; | |
9c5794fe RH |
2599 | break; |
2600 | } | |
2601 | /* else fall through */ | |
c6fdafd0 | 2602 | case CXt_LOOP_LAZYIV: |
d01136d6 | 2603 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
2604 | case CXt_LOOP_FOR: |
2605 | case CXt_LOOP_PLAIN: | |
a0d0e21e LW |
2606 | gotoprobe = cx->blk_oldcop->op_sibling; |
2607 | break; | |
2608 | case CXt_SUBST: | |
2609 | continue; | |
2610 | case CXt_BLOCK: | |
33d34e4c | 2611 | if (ix) { |
a0d0e21e | 2612 | gotoprobe = cx->blk_oldcop->op_sibling; |
33d34e4c AE |
2613 | in_block = TRUE; |
2614 | } else | |
3280af22 | 2615 | gotoprobe = PL_main_root; |
a0d0e21e | 2616 | break; |
b3933176 | 2617 | case CXt_SUB: |
9850bf21 | 2618 | if (CvDEPTH(cx->blk_sub.cv) && !CxMULTICALL(cx)) { |
b3933176 CS |
2619 | gotoprobe = CvROOT(cx->blk_sub.cv); |
2620 | break; | |
2621 | } | |
2622 | /* FALL THROUGH */ | |
7766f137 | 2623 | case CXt_FORMAT: |
0a753a76 | 2624 | case CXt_NULL: |
a651a37d | 2625 | DIE(aTHX_ "Can't \"goto\" out of a pseudo block"); |
a0d0e21e LW |
2626 | default: |
2627 | if (ix) | |
cea2e8a9 | 2628 | DIE(aTHX_ "panic: goto"); |
3280af22 | 2629 | gotoprobe = PL_main_root; |
a0d0e21e LW |
2630 | break; |
2631 | } | |
2b597662 GS |
2632 | if (gotoprobe) { |
2633 | retop = dofindlabel(gotoprobe, label, | |
2634 | enterops, enterops + GOTO_DEPTH); | |
2635 | if (retop) | |
2636 | break; | |
2637 | } | |
3280af22 | 2638 | PL_lastgotoprobe = gotoprobe; |
a0d0e21e LW |
2639 | } |
2640 | if (!retop) | |
cea2e8a9 | 2641 | DIE(aTHX_ "Can't find label %s", label); |
a0d0e21e | 2642 | |
3b2447bc RH |
2643 | /* if we're leaving an eval, check before we pop any frames |
2644 | that we're not going to punt, otherwise the error | |
2645 | won't be caught */ | |
2646 | ||
2647 | if (leaving_eval && *enterops && enterops[1]) { | |
2648 | I32 i; | |
2649 | for (i = 1; enterops[i]; i++) | |
2650 | if (enterops[i]->op_type == OP_ENTERITER) | |
2651 | DIE(aTHX_ "Can't \"goto\" into the middle of a foreach loop"); | |
2652 | } | |
2653 | ||
a0d0e21e LW |
2654 | /* pop unwanted frames */ |
2655 | ||
2656 | if (ix < cxstack_ix) { | |
2657 | I32 oldsave; | |
2658 | ||
2659 | if (ix < 0) | |
2660 | ix = 0; | |
2661 | dounwind(ix); | |
2662 | TOPBLOCK(cx); | |
3280af22 | 2663 | oldsave = PL_scopestack[PL_scopestack_ix]; |
a0d0e21e LW |
2664 | LEAVE_SCOPE(oldsave); |
2665 | } | |
2666 | ||
2667 | /* push wanted frames */ | |
2668 | ||
748a9306 | 2669 | if (*enterops && enterops[1]) { |
0bd48802 | 2670 | OP * const oldop = PL_op; |
33d34e4c AE |
2671 | ix = enterops[1]->op_type == OP_ENTER && in_block ? 2 : 1; |
2672 | for (; enterops[ix]; ix++) { | |
533c011a | 2673 | PL_op = enterops[ix]; |
84902520 TB |
2674 | /* Eventually we may want to stack the needed arguments |
2675 | * for each op. For now, we punt on the hard ones. */ | |
533c011a | 2676 | if (PL_op->op_type == OP_ENTERITER) |
894356b3 | 2677 | DIE(aTHX_ "Can't \"goto\" into the middle of a foreach loop"); |
fc0dc3b3 | 2678 | CALL_FPTR(PL_op->op_ppaddr)(aTHX); |
a0d0e21e | 2679 | } |
533c011a | 2680 | PL_op = oldop; |
a0d0e21e LW |
2681 | } |
2682 | } | |
2683 | ||
2684 | if (do_dump) { | |
a5f75d66 | 2685 | #ifdef VMS |
6b88bc9c | 2686 | if (!retop) retop = PL_main_start; |
a5f75d66 | 2687 | #endif |
3280af22 NIS |
2688 | PL_restartop = retop; |
2689 | PL_do_undump = TRUE; | |
a0d0e21e LW |
2690 | |
2691 | my_unexec(); | |
2692 | ||
3280af22 NIS |
2693 | PL_restartop = 0; /* hmm, must be GNU unexec().. */ |
2694 | PL_do_undump = FALSE; | |
a0d0e21e LW |
2695 | } |
2696 | ||
2697 | RETURNOP(retop); | |
2698 | } | |
2699 | ||
2700 | PP(pp_exit) | |
2701 | { | |
97aff369 | 2702 | dVAR; |
39644a26 | 2703 | dSP; |
a0d0e21e LW |
2704 | I32 anum; |
2705 | ||
2706 | if (MAXARG < 1) | |
2707 | anum = 0; | |
ff0cee69 | 2708 | else { |
a0d0e21e | 2709 | anum = SvIVx(POPs); |
d98f61e7 GS |
2710 | #ifdef VMS |
2711 | if (anum == 1 && (PL_op->op_private & OPpEXIT_VMSISH)) | |
ff0cee69 | 2712 | anum = 0; |
96e176bf | 2713 | VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH); |
ff0cee69 | 2714 | #endif |
2715 | } | |
cc3604b1 | 2716 | PL_exit_flags |= PERL_EXIT_EXPECTED; |
81d86705 NC |
2717 | #ifdef PERL_MAD |
2718 | /* KLUDGE: disable exit 0 in BEGIN blocks when we're just compiling */ | |
2719 | if (anum || !(PL_minus_c && PL_madskills)) | |
2720 | my_exit(anum); | |
2721 | #else | |
a0d0e21e | 2722 | my_exit(anum); |
81d86705 | 2723 | #endif |
3280af22 | 2724 | PUSHs(&PL_sv_undef); |
a0d0e21e LW |
2725 | RETURN; |
2726 | } | |
2727 | ||
a0d0e21e LW |
2728 | /* Eval. */ |
2729 | ||
0824fdcb | 2730 | STATIC void |
cea2e8a9 | 2731 | S_save_lines(pTHX_ AV *array, SV *sv) |
a0d0e21e | 2732 | { |
504618e9 | 2733 | const char *s = SvPVX_const(sv); |
890ce7af | 2734 | const char * const send = SvPVX_const(sv) + SvCUR(sv); |
504618e9 | 2735 | I32 line = 1; |
a0d0e21e | 2736 | |
7918f24d NC |
2737 | PERL_ARGS_ASSERT_SAVE_LINES; |
2738 | ||
a0d0e21e | 2739 | while (s && s < send) { |
f54cb97a | 2740 | const char *t; |
b9f83d2f | 2741 | SV * const tmpstr = newSV_type(SVt_PVMG); |
a0d0e21e | 2742 | |
a0d0e21e LW |
2743 | t = strchr(s, '\n'); |
2744 | if (t) | |
2745 | t++; | |
2746 | else | |
2747 | t = send; | |
2748 | ||
2749 | sv_setpvn(tmpstr, s, t - s); | |
2750 | av_store(array, line++, tmpstr); | |
2751 | s = t; | |
2752 | } | |
2753 | } | |
2754 | ||
0824fdcb | 2755 | STATIC OP * |
cea2e8a9 | 2756 | S_docatch(pTHX_ OP *o) |
1e422769 | 2757 | { |
97aff369 | 2758 | dVAR; |
6224f72b | 2759 | int ret; |
06b5626a | 2760 | OP * const oldop = PL_op; |
db36c5a1 | 2761 | dJMPENV; |
1e422769 | 2762 | |
1e422769 | 2763 | #ifdef DEBUGGING |
54310121 | 2764 | assert(CATCH_GET == TRUE); |
1e422769 | 2765 | #endif |
312caa8e | 2766 | PL_op = o; |
8bffa5f8 | 2767 | |
14dd3ad8 | 2768 | JMPENV_PUSH(ret); |
6224f72b | 2769 | switch (ret) { |
312caa8e | 2770 | case 0: |
abd70938 DM |
2771 | assert(cxstack_ix >= 0); |
2772 | assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_EVAL); | |
2773 | cxstack[cxstack_ix].blk_eval.cur_top_env = PL_top_env; | |
14dd3ad8 | 2774 | redo_body: |
85aaa934 | 2775 | CALLRUNOPS(aTHX); |
312caa8e CS |
2776 | break; |
2777 | case 3: | |
8bffa5f8 | 2778 | /* die caught by an inner eval - continue inner loop */ |
abd70938 DM |
2779 | |
2780 | /* NB XXX we rely on the old popped CxEVAL still being at the top | |
2781 | * of the stack; the way die_where() currently works, this | |
2782 | * assumption is valid. In theory The cur_top_env value should be | |
2783 | * returned in another global, the way retop (aka PL_restartop) | |
2784 | * is. */ | |
2785 | assert(CxTYPE(&cxstack[cxstack_ix+1]) == CXt_EVAL); | |
2786 | ||
2787 | if (PL_restartop | |
2788 | && cxstack[cxstack_ix+1].blk_eval.cur_top_env == PL_top_env) | |
2789 | { | |
312caa8e CS |
2790 | PL_op = PL_restartop; |
2791 | PL_restartop = 0; | |
2792 | goto redo_body; | |
2793 | } | |
2794 | /* FALL THROUGH */ | |
2795 | default: | |
14dd3ad8 | 2796 | JMPENV_POP; |
533c011a | 2797 | PL_op = oldop; |
6224f72b | 2798 | JMPENV_JUMP(ret); |
1e422769 | 2799 | /* NOTREACHED */ |
1e422769 | 2800 | } |
14dd3ad8 | 2801 | JMPENV_POP; |
533c011a | 2802 | PL_op = oldop; |
5f66b61c | 2803 | return NULL; |
1e422769 | 2804 | } |
2805 | ||
c277df42 | 2806 | OP * |
bfed75c6 | 2807 | Perl_sv_compile_2op(pTHX_ SV *sv, OP** startop, const char *code, PAD** padp) |
c277df42 IZ |
2808 | /* sv Text to convert to OP tree. */ |
2809 | /* startop op_free() this to undo. */ | |
2810 | /* code Short string id of the caller. */ | |
2811 | { | |
f7997f86 | 2812 | /* FIXME - how much of this code is common with pp_entereval? */ |
27da23d5 | 2813 | dVAR; dSP; /* Make POPBLOCK work. */ |
c277df42 IZ |
2814 | PERL_CONTEXT *cx; |
2815 | SV **newsp; | |
b094c71d | 2816 | I32 gimme = G_VOID; |
c277df42 IZ |
2817 | I32 optype; |
2818 | OP dummy; | |
83ee9e09 GS |
2819 | char tbuf[TYPE_DIGITS(long) + 12 + 10]; |
2820 | char *tmpbuf = tbuf; | |
c277df42 | 2821 | char *safestr; |
a3985cdc | 2822 | int runtime; |
601f1833 | 2823 | CV* runcv = NULL; /* initialise to avoid compiler warnings */ |
f7997f86 | 2824 | STRLEN len; |
c277df42 | 2825 | |
7918f24d NC |
2826 | PERL_ARGS_ASSERT_SV_COMPILE_2OP; |
2827 | ||
c277df42 | 2828 | ENTER; |
5486870f | 2829 | lex_start(sv, NULL, FALSE); |
c277df42 IZ |
2830 | SAVETMPS; |
2831 | /* switch to eval mode */ | |
2832 | ||
923e4eb5 | 2833 | if (IN_PERL_COMPILETIME) { |
f4dd75d9 | 2834 | SAVECOPSTASH_FREE(&PL_compiling); |
11faa288 | 2835 | CopSTASH_set(&PL_compiling, PL_curstash); |
cbce877f | 2836 | } |
83ee9e09 | 2837 | if (PERLDB_NAMEEVAL && CopLINE(PL_curcop)) { |
9d4ba2ae | 2838 | SV * const sv = sv_newmortal(); |
83ee9e09 GS |
2839 | Perl_sv_setpvf(aTHX_ sv, "_<(%.10seval %lu)[%s:%"IVdf"]", |
2840 | code, (unsigned long)++PL_evalseq, | |
2841 | CopFILE(PL_curcop), (IV)CopLINE(PL_curcop)); | |
2842 | tmpbuf = SvPVX(sv); | |
fc009855 | 2843 | len = SvCUR(sv); |
83ee9e09 GS |
2844 | } |
2845 | else | |
d9fad198 JH |
2846 | len = my_snprintf(tmpbuf, sizeof(tbuf), "_<(%.10s_eval %lu)", code, |
2847 | (unsigned long)++PL_evalseq); | |
f4dd75d9 | 2848 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 2849 | CopFILE_set(&PL_compiling, tmpbuf+2); |
f4dd75d9 | 2850 | SAVECOPLINE(&PL_compiling); |
57843af0 | 2851 | CopLINE_set(&PL_compiling, 1); |
c277df42 IZ |
2852 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
2853 | deleting the eval's FILEGV from the stash before gv_check() runs | |
2854 | (i.e. before run-time proper). To work around the coredump that | |
2855 | ensues, we always turn GvMULTI_on for any globals that were | |
2856 | introduced within evals. See force_ident(). GSAR 96-10-12 */ | |
f7997f86 NC |
2857 | safestr = savepvn(tmpbuf, len); |
2858 | SAVEDELETE(PL_defstash, safestr, len); | |
b3ac6de7 | 2859 | SAVEHINTS(); |
d1ca3daa | 2860 | #ifdef OP_IN_REGISTER |
6b88bc9c | 2861 | PL_opsave = op; |
d1ca3daa | 2862 | #else |
7766f137 | 2863 | SAVEVPTR(PL_op); |
d1ca3daa | 2864 | #endif |
c277df42 | 2865 | |
a3985cdc | 2866 | /* we get here either during compilation, or via pp_regcomp at runtime */ |
923e4eb5 | 2867 | runtime = IN_PERL_RUNTIME; |
a3985cdc | 2868 | if (runtime) |
d819b83a | 2869 | runcv = find_runcv(NULL); |
a3985cdc | 2870 | |
533c011a | 2871 | PL_op = &dummy; |
13b51b79 | 2872 | PL_op->op_type = OP_ENTEREVAL; |
533c011a | 2873 | PL_op->op_flags = 0; /* Avoid uninit warning. */ |
923e4eb5 | 2874 | PUSHBLOCK(cx, CXt_EVAL|(IN_PERL_COMPILETIME ? 0 : CXp_REAL), SP); |
6b75f042 | 2875 | PUSHEVAL(cx, 0); |
a3985cdc DM |
2876 | |
2877 | if (runtime) | |
410be5db | 2878 | (void) doeval(G_SCALAR, startop, runcv, PL_curcop->cop_seq); |
a3985cdc | 2879 | else |
410be5db | 2880 | (void) doeval(G_SCALAR, startop, PL_compcv, PL_cop_seqmax); |
13b51b79 | 2881 | POPBLOCK(cx,PL_curpm); |
e84b9f1f | 2882 | POPEVAL(cx); |
c277df42 IZ |
2883 | |
2884 | (*startop)->op_type = OP_NULL; | |
22c35a8c | 2885 | (*startop)->op_ppaddr = PL_ppaddr[OP_NULL]; |
c277df42 | 2886 | lex_end(); |
f3548bdc | 2887 | /* XXX DAPM do this properly one year */ |
b37c2d43 | 2888 | *padp = (AV*)SvREFCNT_inc_simple(PL_comppad); |
c277df42 | 2889 | LEAVE; |
923e4eb5 | 2890 | if (IN_PERL_COMPILETIME) |
623e6609 | 2891 | CopHINTS_set(&PL_compiling, PL_hints); |
d1ca3daa | 2892 | #ifdef OP_IN_REGISTER |
6b88bc9c | 2893 | op = PL_opsave; |
d1ca3daa | 2894 | #endif |
9d4ba2ae AL |
2895 | PERL_UNUSED_VAR(newsp); |
2896 | PERL_UNUSED_VAR(optype); | |
2897 | ||
410be5db | 2898 | return PL_eval_start; |
c277df42 IZ |
2899 | } |
2900 | ||
a3985cdc DM |
2901 | |
2902 | /* | |
2903 | =for apidoc find_runcv | |
2904 | ||
2905 | Locate the CV corresponding to the currently executing sub or eval. | |
d819b83a DM |
2906 | If db_seqp is non_null, skip CVs that are in the DB package and populate |
2907 | *db_seqp with the cop sequence number at the point that the DB:: code was | |
2908 | entered. (allows debuggers to eval in the scope of the breakpoint rather | |
cf525c36 | 2909 | than in the scope of the debugger itself). |
a3985cdc DM |
2910 | |
2911 | =cut | |
2912 | */ | |
2913 | ||
2914 | CV* | |
d819b83a | 2915 | Perl_find_runcv(pTHX_ U32 *db_seqp) |
a3985cdc | 2916 | { |
97aff369 | 2917 | dVAR; |
a3985cdc | 2918 | PERL_SI *si; |
a3985cdc | 2919 | |
d819b83a DM |
2920 | if (db_seqp) |
2921 | *db_seqp = PL_curcop->cop_seq; | |
a3985cdc | 2922 | for (si = PL_curstackinfo; si; si = si->si_prev) { |
06b5626a | 2923 | I32 ix; |
a3985cdc | 2924 | for (ix = si->si_cxix; ix >= 0; ix--) { |
06b5626a | 2925 | const PERL_CONTEXT *cx = &(si->si_cxstack[ix]); |
d819b83a | 2926 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
1b6737cc | 2927 | CV * const cv = cx->blk_sub.cv; |
d819b83a DM |
2928 | /* skip DB:: code */ |
2929 | if (db_seqp && PL_debstash && CvSTASH(cv) == PL_debstash) { | |
2930 | *db_seqp = cx->blk_oldcop->cop_seq; | |
2931 | continue; | |
2932 | } | |
2933 | return cv; | |
2934 | } | |
a3985cdc DM |
2935 | else if (CxTYPE(cx) == CXt_EVAL && !CxTRYBLOCK(cx)) |
2936 | return PL_compcv; | |
2937 | } | |
2938 | } | |
2939 | return PL_main_cv; | |
2940 | } | |
2941 | ||
2942 | ||
2943 | /* Compile a require/do, an eval '', or a /(?{...})/. | |
2944 | * In the last case, startop is non-null, and contains the address of | |
2945 | * a pointer that should be set to the just-compiled code. | |
2946 | * outside is the lexically enclosing CV (if any) that invoked us. | |
410be5db DM |
2947 | * Returns a bool indicating whether the compile was successful; if so, |
2948 | * PL_eval_start contains the first op of the compiled ocde; otherwise, | |
2949 | * pushes undef (also croaks if startop != NULL). | |
a3985cdc DM |
2950 | */ |
2951 | ||
410be5db | 2952 | STATIC bool |
a3985cdc | 2953 | S_doeval(pTHX_ int gimme, OP** startop, CV* outside, U32 seq) |
a0d0e21e | 2954 | { |
27da23d5 | 2955 | dVAR; dSP; |
46c461b5 | 2956 | OP * const saveop = PL_op; |
a0d0e21e | 2957 | |
6dc8a9e4 IZ |
2958 | PL_in_eval = ((saveop && saveop->op_type == OP_REQUIRE) |
2959 | ? (EVAL_INREQUIRE | (PL_in_eval & EVAL_INEVAL)) | |
2960 | : EVAL_INEVAL); | |
a0d0e21e | 2961 | |
1ce6579f | 2962 | PUSHMARK(SP); |
2963 | ||
3280af22 | 2964 | SAVESPTR(PL_compcv); |
b9f83d2f | 2965 | PL_compcv = (CV*)newSV_type(SVt_PVCV); |
1aff0e91 | 2966 | CvEVAL_on(PL_compcv); |
2090ab20 JH |
2967 | assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_EVAL); |
2968 | cxstack[cxstack_ix].blk_eval.cv = PL_compcv; | |
2969 | ||
a3985cdc | 2970 | CvOUTSIDE_SEQ(PL_compcv) = seq; |
b37c2d43 | 2971 | CvOUTSIDE(PL_compcv) = (CV*)SvREFCNT_inc_simple(outside); |
a3985cdc | 2972 | |
dd2155a4 | 2973 | /* set up a scratch pad */ |
a0d0e21e | 2974 | |
dd2155a4 | 2975 | CvPADLIST(PL_compcv) = pad_new(padnew_SAVE); |
cecbe010 | 2976 | PL_op = NULL; /* avoid PL_op and PL_curpad referring to different CVs */ |
2c05e328 | 2977 | |
07055b4c | 2978 | |
81d86705 NC |
2979 | if (!PL_madskills) |
2980 | SAVEMORTALIZESV(PL_compcv); /* must remain until end of current statement */ | |
748a9306 | 2981 | |
a0d0e21e LW |
2982 | /* make sure we compile in the right package */ |
2983 | ||
ed094faf | 2984 | if (CopSTASH_ne(PL_curcop, PL_curstash)) { |
3280af22 | 2985 | SAVESPTR(PL_curstash); |
ed094faf | 2986 | PL_curstash = CopSTASH(PL_curcop); |
a0d0e21e | 2987 | } |
3c10abe3 | 2988 | /* XXX:ajgo do we really need to alloc an AV for begin/checkunit */ |
3280af22 NIS |
2989 | SAVESPTR(PL_beginav); |
2990 | PL_beginav = newAV(); | |
2991 | SAVEFREESV(PL_beginav); | |
3c10abe3 AG |
2992 | SAVESPTR(PL_unitcheckav); |
2993 | PL_unitcheckav = newAV(); | |
2994 | SAVEFREESV(PL_unitcheckav); | |
a0d0e21e | 2995 | |
81d86705 | 2996 | #ifdef PERL_MAD |
9da243ce | 2997 | SAVEBOOL(PL_madskills); |
81d86705 NC |
2998 | PL_madskills = 0; |
2999 | #endif | |
3000 | ||
a0d0e21e LW |
3001 | /* try to compile it */ |
3002 | ||
5f66b61c | 3003 | PL_eval_root = NULL; |
3280af22 | 3004 | PL_curcop = &PL_compiling; |
fc15ae8f | 3005 | CopARYBASE_set(PL_curcop, 0); |
5f66b61c | 3006 | if (saveop && (saveop->op_type != OP_REQUIRE) && (saveop->op_flags & OPf_SPECIAL)) |
faef0170 | 3007 | PL_in_eval |= EVAL_KEEPERR; |
1ce6579f | 3008 | else |
c69006e4 | 3009 | sv_setpvn(ERRSV,"",0); |
13765c85 | 3010 | if (yyparse() || PL_parser->error_count || !PL_eval_root) { |
0c58d367 | 3011 | SV **newsp; /* Used by POPBLOCK. */ |
9d4ba2ae | 3012 | PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
c277df42 | 3013 | I32 optype = 0; /* Might be reset by POPEVAL. */ |
9d4ba2ae | 3014 | const char *msg; |
bfed75c6 | 3015 | |
533c011a | 3016 | PL_op = saveop; |
3280af22 NIS |
3017 | if (PL_eval_root) { |
3018 | op_free(PL_eval_root); | |
5f66b61c | 3019 | PL_eval_root = NULL; |
a0d0e21e | 3020 | } |
3280af22 | 3021 | SP = PL_stack_base + POPMARK; /* pop original mark */ |
c277df42 | 3022 | if (!startop) { |
3280af22 | 3023 | POPBLOCK(cx,PL_curpm); |
c277df42 | 3024 | POPEVAL(cx); |
c277df42 | 3025 | } |
a0d0e21e LW |
3026 | lex_end(); |
3027 | LEAVE; | |
9d4ba2ae AL |
3028 | |
3029 | msg = SvPVx_nolen_const(ERRSV); | |
7a2e2cd6 | 3030 | if (optype == OP_REQUIRE) { |
b464bac0 | 3031 | const SV * const nsv = cx->blk_eval.old_namesv; |
504618e9 | 3032 | (void)hv_store(GvHVn(PL_incgv), SvPVX_const(nsv), SvCUR(nsv), |
27bcc0a7 | 3033 | &PL_sv_undef, 0); |
58d3fd3b SH |
3034 | Perl_croak(aTHX_ "%sCompilation failed in require", |
3035 | *msg ? msg : "Unknown error\n"); | |
5a844595 GS |
3036 | } |
3037 | else if (startop) { | |
3280af22 | 3038 | POPBLOCK(cx,PL_curpm); |
c277df42 | 3039 | POPEVAL(cx); |
5a844595 GS |
3040 | Perl_croak(aTHX_ "%sCompilation failed in regexp", |
3041 | (*msg ? msg : "Unknown error\n")); | |
7a2e2cd6 | 3042 | } |
9d7f88dd | 3043 | else { |
9d7f88dd | 3044 | if (!*msg) { |
6502358f | 3045 | sv_setpvs(ERRSV, "Compilation error"); |
9d7f88dd SR |
3046 | } |
3047 | } | |
9d4ba2ae | 3048 | PERL_UNUSED_VAR(newsp); |
410be5db DM |
3049 | PUSHs(&PL_sv_undef); |
3050 | PUTBACK; | |
3051 | return FALSE; | |
a0d0e21e | 3052 | } |
57843af0 | 3053 | CopLINE_set(&PL_compiling, 0); |
c277df42 | 3054 | if (startop) { |
3280af22 | 3055 | *startop = PL_eval_root; |
c277df42 | 3056 | } else |
3280af22 | 3057 | SAVEFREEOP(PL_eval_root); |
0c58d367 RGS |
3058 | |
3059 | /* Set the context for this new optree. | |
3060 | * If the last op is an OP_REQUIRE, force scalar context. | |
3061 | * Otherwise, propagate the context from the eval(). */ | |
3062 | if (PL_eval_root->op_type == OP_LEAVEEVAL | |
3063 | && cUNOPx(PL_eval_root)->op_first->op_type == OP_LINESEQ | |
3064 | && cLISTOPx(cUNOPx(PL_eval_root)->op_first)->op_last->op_type | |
3065 | == OP_REQUIRE) | |
3066 | scalar(PL_eval_root); | |
7df0357e | 3067 | else if ((gimme & G_WANT) == G_VOID) |
3280af22 | 3068 | scalarvoid(PL_eval_root); |
7df0357e | 3069 | else if ((gimme & G_WANT) == G_ARRAY) |
3280af22 | 3070 | list(PL_eval_root); |
a0d0e21e | 3071 | else |
3280af22 | 3072 | scalar(PL_eval_root); |
a0d0e21e LW |
3073 | |
3074 | DEBUG_x(dump_eval()); | |
3075 | ||
55497cff | 3076 | /* Register with debugger: */ |
6482a30d | 3077 | if (PERLDB_INTER && saveop && saveop->op_type == OP_REQUIRE) { |
890ce7af | 3078 | CV * const cv = get_cv("DB::postponed", FALSE); |
55497cff | 3079 | if (cv) { |
3080 | dSP; | |
924508f0 | 3081 | PUSHMARK(SP); |
cc49e20b | 3082 | XPUSHs((SV*)CopFILEGV(&PL_compiling)); |
55497cff | 3083 | PUTBACK; |
864dbfa3 | 3084 | call_sv((SV*)cv, G_DISCARD); |
55497cff | 3085 | } |
3086 | } | |
3087 | ||
3c10abe3 AG |
3088 | if (PL_unitcheckav) |
3089 | call_list(PL_scopestack_ix, PL_unitcheckav); | |
3090 | ||
a0d0e21e LW |
3091 | /* compiled okay, so do it */ |
3092 | ||
3280af22 NIS |
3093 | CvDEPTH(PL_compcv) = 1; |
3094 | SP = PL_stack_base + POPMARK; /* pop original mark */ | |
533c011a | 3095 | PL_op = saveop; /* The caller may need it. */ |
bc177e6b | 3096 | PL_parser->lex_state = LEX_NOTPARSING; /* $^S needs this. */ |
5dc0d613 | 3097 | |
410be5db DM |
3098 | PUTBACK; |
3099 | return TRUE; | |
a0d0e21e LW |
3100 | } |
3101 | ||
a6c40364 | 3102 | STATIC PerlIO * |
0786552a | 3103 | S_check_type_and_open(pTHX_ const char *name) |
ce8abf5f SP |
3104 | { |
3105 | Stat_t st; | |
c445ea15 | 3106 | const int st_rc = PerlLIO_stat(name, &st); |
df528165 | 3107 | |
7918f24d NC |
3108 | PERL_ARGS_ASSERT_CHECK_TYPE_AND_OPEN; |
3109 | ||
6b845e56 | 3110 | if (st_rc < 0 || S_ISDIR(st.st_mode) || S_ISBLK(st.st_mode)) { |
4608196e | 3111 | return NULL; |
ce8abf5f SP |
3112 | } |
3113 | ||
0786552a | 3114 | return PerlIO_open(name, PERL_SCRIPT_MODE); |
ce8abf5f SP |
3115 | } |
3116 | ||
75c20bac | 3117 | #ifndef PERL_DISABLE_PMC |
ce8abf5f | 3118 | STATIC PerlIO * |
0786552a | 3119 | S_doopen_pm(pTHX_ const char *name, const STRLEN namelen) |
b295d113 | 3120 | { |
b295d113 TH |
3121 | PerlIO *fp; |
3122 | ||
7918f24d NC |
3123 | PERL_ARGS_ASSERT_DOOPEN_PM; |
3124 | ||
ce9440c8 | 3125 | if (namelen > 3 && memEQs(name + namelen - 3, 3, ".pm")) { |
50b8ed39 NC |
3126 | SV *const pmcsv = newSV(namelen + 2); |
3127 | char *const pmc = SvPVX(pmcsv); | |
a6c40364 | 3128 | Stat_t pmcstat; |
50b8ed39 NC |
3129 | |
3130 | memcpy(pmc, name, namelen); | |
3131 | pmc[namelen] = 'c'; | |
3132 | pmc[namelen + 1] = '\0'; | |
3133 | ||
a6c40364 | 3134 | if (PerlLIO_stat(pmc, &pmcstat) < 0) { |
0786552a | 3135 | fp = check_type_and_open(name); |
a6c40364 GS |
3136 | } |
3137 | else { | |
0786552a | 3138 | fp = check_type_and_open(pmc); |
b295d113 | 3139 | } |
a6c40364 GS |
3140 | SvREFCNT_dec(pmcsv); |
3141 | } | |
3142 | else { | |
0786552a | 3143 | fp = check_type_and_open(name); |
b295d113 | 3144 | } |
b295d113 | 3145 | return fp; |
75c20bac | 3146 | } |
7925835c | 3147 | #else |
75c20bac | 3148 | # define doopen_pm(name, namelen) check_type_and_open(name) |
7925835c | 3149 | #endif /* !PERL_DISABLE_PMC */ |
b295d113 | 3150 | |
a0d0e21e LW |
3151 | PP(pp_require) |
3152 | { | |
27da23d5 | 3153 | dVAR; dSP; |
c09156bb | 3154 | register PERL_CONTEXT *cx; |
a0d0e21e | 3155 | SV *sv; |
5c144d81 | 3156 | const char *name; |
6132ea6c | 3157 | STRLEN len; |
4492be7a JM |
3158 | char * unixname; |
3159 | STRLEN unixlen; | |
62f5ad7a | 3160 | #ifdef VMS |
4492be7a | 3161 | int vms_unixname = 0; |
62f5ad7a | 3162 | #endif |
c445ea15 AL |
3163 | const char *tryname = NULL; |
3164 | SV *namesv = NULL; | |
f54cb97a | 3165 | const I32 gimme = GIMME_V; |
bbed91b5 | 3166 | int filter_has_file = 0; |
c445ea15 | 3167 | PerlIO *tryrsfp = NULL; |
34113e50 | 3168 | SV *filter_cache = NULL; |
c445ea15 AL |
3169 | SV *filter_state = NULL; |
3170 | SV *filter_sub = NULL; | |
3171 | SV *hook_sv = NULL; | |
6ec9efec JH |
3172 | SV *encoding; |
3173 | OP *op; | |
a0d0e21e LW |
3174 | |
3175 | sv = POPs; | |
d7aa5382 | 3176 | if ( (SvNIOKp(sv) || SvVOK(sv)) && PL_op->op_type != OP_DOFILE) { |
d7aa5382 JP |
3177 | sv = new_version(sv); |
3178 | if (!sv_derived_from(PL_patchlevel, "version")) | |
ac0e6a2f | 3179 | upg_version(PL_patchlevel, TRUE); |
149c1637 | 3180 | if (cUNOP->op_first->op_type == OP_CONST && cUNOP->op_first->op_private & OPpCONST_NOVER) { |
3cacfbb9 | 3181 | if ( vcmp(sv,PL_patchlevel) <= 0 ) |
468aa647 | 3182 | DIE(aTHX_ "Perls since %"SVf" too modern--this is %"SVf", stopped", |
be2597df | 3183 | SVfARG(vnormal(sv)), SVfARG(vnormal(PL_patchlevel))); |
468aa647 RGS |
3184 | } |
3185 | else { | |
d1029faa JP |
3186 | if ( vcmp(sv,PL_patchlevel) > 0 ) { |
3187 | I32 first = 0; | |
3188 | AV *lav; | |
3189 | SV * const req = SvRV(sv); | |
3190 | SV * const pv = *hv_fetchs((HV*)req, "original", FALSE); | |
3191 | ||
3192 | /* get the left hand term */ | |
3193 | lav = (AV *)SvRV(*hv_fetchs((HV*)req, "version", FALSE)); | |
3194 | ||
3195 | first = SvIV(*av_fetch(lav,0,0)); | |
3196 | if ( first > (int)PERL_REVISION /* probably 'use 6.0' */ | |
3197 | || hv_exists((HV*)req, "qv", 2 ) /* qv style */ | |
3198 | || av_len(lav) > 1 /* FP with > 3 digits */ | |
3199 | || strstr(SvPVX(pv),".0") /* FP with leading 0 */ | |
3200 | ) { | |
3201 | DIE(aTHX_ "Perl %"SVf" required--this is only " | |
3202 | "%"SVf", stopped", SVfARG(vnormal(req)), | |
3203 | SVfARG(vnormal(PL_patchlevel))); | |
3204 | } | |
3205 | else { /* probably 'use 5.10' or 'use 5.8' */ | |
3206 | SV * hintsv = newSV(0); | |
3207 | I32 second = 0; | |
3208 | ||
3209 | if (av_len(lav)>=1) | |
3210 | second = SvIV(*av_fetch(lav,1,0)); | |
3211 | ||
3212 | second /= second >= 600 ? 100 : 10; | |
3213 | hintsv = Perl_newSVpvf(aTHX_ "v%d.%d.%d", | |
3214 | (int)first, (int)second,0); | |
3215 | upg_version(hintsv, TRUE); | |
3216 | ||
3217 | DIE(aTHX_ "Perl %"SVf" required (did you mean %"SVf"?)" | |
3218 | "--this is only %"SVf", stopped", | |
3219 | SVfARG(vnormal(req)), | |
3220 | SVfARG(vnormal(hintsv)), | |
3221 | SVfARG(vnormal(PL_patchlevel))); | |
3222 | } | |
3223 | } | |
468aa647 | 3224 | } |
d7aa5382 | 3225 | |
fbc891ce RB |
3226 | /* We do this only with use, not require. */ |
3227 | if (PL_compcv && | |
fbc891ce RB |
3228 | /* If we request a version >= 5.9.5, load feature.pm with the |
3229 | * feature bundle that corresponds to the required version. */ | |
2e8342de | 3230 | vcmp(sv, sv_2mortal(upg_version(newSVnv(5.009005), FALSE))) >= 0) { |
7dfde25d RGS |
3231 | SV *const importsv = vnormal(sv); |
3232 | *SvPVX_mutable(importsv) = ':'; | |
3233 | ENTER; | |
3234 | Perl_load_module(aTHX_ 0, newSVpvs("feature"), NULL, importsv, NULL); | |
3235 | LEAVE; | |
3236 | } | |
3237 | ||
3238 | RETPUSHYES; | |
a0d0e21e | 3239 | } |
5c144d81 | 3240 | name = SvPV_const(sv, len); |
6132ea6c | 3241 | if (!(name && len > 0 && *name)) |
cea2e8a9 | 3242 | DIE(aTHX_ "Null filename used"); |
4633a7c4 | 3243 | TAINT_PROPER("require"); |
4492be7a JM |
3244 | |
3245 | ||
3246 | #ifdef VMS | |
3247 | /* The key in the %ENV hash is in the syntax of file passed as the argument | |
3248 | * usually this is in UNIX format, but sometimes in VMS format, which | |
3249 | * can result in a module being pulled in more than once. | |
3250 | * To prevent this, the key must be stored in UNIX format if the VMS | |
3251 | * name can be translated to UNIX. | |
3252 | */ | |
3253 | if ((unixname = tounixspec(name, NULL)) != NULL) { | |
3254 | unixlen = strlen(unixname); | |
3255 | vms_unixname = 1; | |
3256 | } | |
3257 | else | |
3258 | #endif | |
3259 | { | |
3260 | /* if not VMS or VMS name can not be translated to UNIX, pass it | |
3261 | * through. | |
3262 | */ | |
3263 | unixname = (char *) name; | |
3264 | unixlen = len; | |
3265 | } | |
44f8325f | 3266 | if (PL_op->op_type == OP_REQUIRE) { |
4492be7a JM |
3267 | SV * const * const svp = hv_fetch(GvHVn(PL_incgv), |
3268 | unixname, unixlen, 0); | |
44f8325f AL |
3269 | if ( svp ) { |
3270 | if (*svp != &PL_sv_undef) | |
3271 | RETPUSHYES; | |
3272 | else | |
087b5369 RD |
3273 | DIE(aTHX_ "Attempt to reload %s aborted.\n" |
3274 | "Compilation failed in require", unixname); | |
44f8325f | 3275 | } |
4d8b06f1 | 3276 | } |
a0d0e21e LW |
3277 | |
3278 | /* prepare to compile file */ | |
3279 | ||
be4b629d | 3280 | if (path_is_absolute(name)) { |
46fc3d4c | 3281 | tryname = name; |
0786552a | 3282 | tryrsfp = doopen_pm(name, len); |
bf4acbe4 | 3283 | } |
67627c52 JH |
3284 | #ifdef MACOS_TRADITIONAL |
3285 | if (!tryrsfp) { | |
3286 | char newname[256]; | |
3287 | ||
3288 | MacPerl_CanonDir(name, newname, 1); | |
3289 | if (path_is_absolute(newname)) { | |
3290 | tryname = newname; | |
0786552a | 3291 | tryrsfp = doopen_pm(newname, strlen(newname)); |
67627c52 JH |
3292 | } |
3293 | } | |
3294 | #endif | |
be4b629d | 3295 | if (!tryrsfp) { |
44f8325f | 3296 | AV * const ar = GvAVn(PL_incgv); |
a0d0e21e | 3297 | I32 i; |
748a9306 | 3298 | #ifdef VMS |
4492be7a | 3299 | if (vms_unixname) |
46fc3d4c | 3300 | #endif |
3301 | { | |
d0328fd7 | 3302 | namesv = newSV_type(SVt_PV); |
46fc3d4c | 3303 | for (i = 0; i <= AvFILL(ar); i++) { |
df528165 | 3304 | SV * const dirsv = *av_fetch(ar, i, TRUE); |
bbed91b5 | 3305 | |
c38a6530 RD |
3306 | if (SvTIED_mg((SV*)ar, PERL_MAGIC_tied)) |
3307 | mg_get(dirsv); | |
bbed91b5 KF |
3308 | if (SvROK(dirsv)) { |
3309 | int count; | |
a3b58a99 | 3310 | SV **svp; |
bbed91b5 KF |
3311 | SV *loader = dirsv; |
3312 | ||
e14e2dc8 NC |
3313 | if (SvTYPE(SvRV(loader)) == SVt_PVAV |
3314 | && !sv_isobject(loader)) | |
3315 | { | |
bbed91b5 KF |
3316 | loader = *av_fetch((AV *)SvRV(loader), 0, TRUE); |
3317 | } | |
3318 | ||
b900a521 | 3319 | Perl_sv_setpvf(aTHX_ namesv, "/loader/0x%"UVxf"/%s", |
44f0be63 | 3320 | PTR2UV(SvRV(dirsv)), name); |
349d4f2f | 3321 | tryname = SvPVX_const(namesv); |
c445ea15 | 3322 | tryrsfp = NULL; |
bbed91b5 KF |
3323 | |
3324 | ENTER; | |
3325 | SAVETMPS; | |
3326 | EXTEND(SP, 2); | |
3327 | ||
3328 | PUSHMARK(SP); | |
3329 | PUSHs(dirsv); | |
3330 | PUSHs(sv); | |
3331 | PUTBACK; | |
e982885c NC |
3332 | if (sv_isobject(loader)) |
3333 | count = call_method("INC", G_ARRAY); | |
3334 | else | |
3335 | count = call_sv(loader, G_ARRAY); | |
bbed91b5 KF |
3336 | SPAGAIN; |
3337 | ||
a3b58a99 RGS |
3338 | /* Adjust file name if the hook has set an %INC entry */ |
3339 | svp = hv_fetch(GvHVn(PL_incgv), name, len, 0); | |
3340 | if (svp) | |
3341 | tryname = SvPVX_const(*svp); | |
3342 | ||
bbed91b5 KF |
3343 | if (count > 0) { |
3344 | int i = 0; | |
3345 | SV *arg; | |
3346 | ||
3347 | SP -= count - 1; | |
3348 | arg = SP[i++]; | |
3349 | ||
34113e50 NC |
3350 | if (SvROK(arg) && (SvTYPE(SvRV(arg)) <= SVt_PVLV) |
3351 | && !isGV_with_GP(SvRV(arg))) { | |
3352 | filter_cache = SvRV(arg); | |
74c765eb | 3353 | SvREFCNT_inc_simple_void_NN(filter_cache); |
34113e50 NC |
3354 | |
3355 | if (i < count) { | |
3356 | arg = SP[i++]; | |
3357 | } | |
3358 | } | |
3359 | ||
bbed91b5 KF |
3360 | if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVGV) { |
3361 | arg = SvRV(arg); | |
3362 | } | |
3363 | ||
3364 | if (SvTYPE(arg) == SVt_PVGV) { | |
df528165 | 3365 | IO * const io = GvIO((GV *)arg); |
bbed91b5 KF |
3366 | |
3367 | ++filter_has_file; | |
3368 | ||
3369 | if (io) { | |
3370 | tryrsfp = IoIFP(io); | |
0f7de14d NC |
3371 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { |
3372 | PerlIO_close(IoOFP(io)); | |
bbed91b5 | 3373 | } |
0f7de14d NC |
3374 | IoIFP(io) = NULL; |
3375 | IoOFP(io) = NULL; | |
bbed91b5 KF |
3376 | } |
3377 | ||
3378 | if (i < count) { | |
3379 | arg = SP[i++]; | |
3380 | } | |
3381 | } | |
3382 | ||
3383 | if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVCV) { | |
3384 | filter_sub = arg; | |
74c765eb | 3385 | SvREFCNT_inc_simple_void_NN(filter_sub); |
bbed91b5 KF |
3386 | |
3387 | if (i < count) { | |
3388 | filter_state = SP[i]; | |
b37c2d43 | 3389 | SvREFCNT_inc_simple_void(filter_state); |
bbed91b5 | 3390 | } |
34113e50 | 3391 | } |
bbed91b5 | 3392 | |
34113e50 NC |
3393 | if (!tryrsfp && (filter_cache || filter_sub)) { |
3394 | tryrsfp = PerlIO_open(BIT_BUCKET, | |
3395 | PERL_SCRIPT_MODE); | |
bbed91b5 | 3396 | } |
1d06aecd | 3397 | SP--; |
bbed91b5 KF |
3398 | } |
3399 | ||
3400 | PUTBACK; | |
3401 | FREETMPS; | |
3402 | LEAVE; | |
3403 | ||
3404 | if (tryrsfp) { | |
89ccab8c | 3405 | hook_sv = dirsv; |
bbed91b5 KF |
3406 | break; |
3407 | } | |
3408 | ||
3409 | filter_has_file = 0; | |
34113e50 NC |
3410 | if (filter_cache) { |
3411 | SvREFCNT_dec(filter_cache); | |
3412 | filter_cache = NULL; | |
3413 | } | |
bbed91b5 KF |
3414 | if (filter_state) { |
3415 | SvREFCNT_dec(filter_state); | |
c445ea15 | 3416 | filter_state = NULL; |
bbed91b5 KF |
3417 | } |
3418 | if (filter_sub) { | |
3419 | SvREFCNT_dec(filter_sub); | |
c445ea15 | 3420 | filter_sub = NULL; |
bbed91b5 KF |
3421 | } |
3422 | } | |
3423 | else { | |
be4b629d CN |
3424 | if (!path_is_absolute(name) |
3425 | #ifdef MACOS_TRADITIONAL | |
3426 | /* We consider paths of the form :a:b ambiguous and interpret them first | |
3427 | as global then as local | |
3428 | */ | |
3429 | || (*name == ':' && name[1] != ':' && strchr(name+2, ':')) | |
3430 | #endif | |
3431 | ) { | |
b640a14a NC |
3432 | const char *dir; |
3433 | STRLEN dirlen; | |
3434 | ||
3435 | if (SvOK(dirsv)) { | |
3436 | dir = SvPV_const(dirsv, dirlen); | |
3437 | } else { | |
3438 | dir = ""; | |
3439 | dirlen = 0; | |
3440 | } | |
3441 | ||
bf4acbe4 | 3442 | #ifdef MACOS_TRADITIONAL |
67627c52 JH |
3443 | char buf1[256]; |
3444 | char buf2[256]; | |
3445 | ||
3446 | MacPerl_CanonDir(name, buf2, 1); | |
3447 | Perl_sv_setpvf(aTHX_ namesv, "%s%s", MacPerl_CanonDir(dir, buf1, 0), buf2+(buf2[0] == ':')); | |
bf4acbe4 | 3448 | #else |
27da23d5 | 3449 | # ifdef VMS |
bbed91b5 | 3450 | char *unixdir; |
c445ea15 | 3451 | if ((unixdir = tounixpath(dir, NULL)) == NULL) |
bbed91b5 KF |
3452 | continue; |
3453 | sv_setpv(namesv, unixdir); | |
3454 | sv_catpv(namesv, unixname); | |
27da23d5 | 3455 | # else |
a0fd4948 | 3456 | # ifdef __SYMBIAN32__ |
27da23d5 JH |
3457 | if (PL_origfilename[0] && |
3458 | PL_origfilename[1] == ':' && | |
3459 | !(dir[0] && dir[1] == ':')) | |
3460 | Perl_sv_setpvf(aTHX_ namesv, | |
3461 | "%c:%s\\%s", | |
3462 | PL_origfilename[0], | |
3463 | dir, name); | |
3464 | else | |
3465 | Perl_sv_setpvf(aTHX_ namesv, | |
3466 | "%s\\%s", | |
3467 | dir, name); | |
3468 | # else | |
b640a14a NC |
3469 | /* The equivalent of |
3470 | Perl_sv_setpvf(aTHX_ namesv, "%s/%s", dir, name); | |
3471 | but without the need to parse the format string, or | |
3472 | call strlen on either pointer, and with the correct | |
3473 | allocation up front. */ | |
3474 | { | |
3475 | char *tmp = SvGROW(namesv, dirlen + len + 2); | |
3476 | ||
3477 | memcpy(tmp, dir, dirlen); | |
3478 | tmp +=dirlen; | |
3479 | *tmp++ = '/'; | |
3480 | /* name came from an SV, so it will have a '\0' at the | |
3481 | end that we can copy as part of this memcpy(). */ | |
3482 | memcpy(tmp, name, len + 1); | |
3483 | ||
3484 | SvCUR_set(namesv, dirlen + len + 1); | |
3485 | ||
3486 | /* Don't even actually have to turn SvPOK_on() as we | |
3487 | access it directly with SvPVX() below. */ | |
3488 | } | |
27da23d5 JH |
3489 | # endif |
3490 | # endif | |
bf4acbe4 | 3491 | #endif |
bbed91b5 | 3492 | TAINT_PROPER("require"); |
349d4f2f | 3493 | tryname = SvPVX_const(namesv); |
0786552a | 3494 | tryrsfp = doopen_pm(tryname, SvCUR(namesv)); |
bbed91b5 KF |
3495 | if (tryrsfp) { |
3496 | if (tryname[0] == '.' && tryname[1] == '/') | |
3497 | tryname += 2; | |
3498 | break; | |
3499 | } | |
ff806af2 DM |
3500 | else if (errno == EMFILE) |
3501 | /* no point in trying other paths if out of handles */ | |
3502 | break; | |
be4b629d | 3503 | } |
46fc3d4c | 3504 | } |
a0d0e21e LW |
3505 | } |
3506 | } | |
3507 | } | |
f4dd75d9 | 3508 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 3509 | CopFILE_set(&PL_compiling, tryrsfp ? tryname : name); |
46fc3d4c | 3510 | SvREFCNT_dec(namesv); |
a0d0e21e | 3511 | if (!tryrsfp) { |
533c011a | 3512 | if (PL_op->op_type == OP_REQUIRE) { |
5c144d81 | 3513 | const char *msgstr = name; |
e31de809 | 3514 | if(errno == EMFILE) { |
b9b739dc NC |
3515 | SV * const msg |
3516 | = sv_2mortal(Perl_newSVpvf(aTHX_ "%s: %s", msgstr, | |
3517 | Strerror(errno))); | |
349d4f2f | 3518 | msgstr = SvPV_nolen_const(msg); |
e31de809 SP |
3519 | } else { |
3520 | if (namesv) { /* did we lookup @INC? */ | |
44f8325f | 3521 | AV * const ar = GvAVn(PL_incgv); |
e31de809 | 3522 | I32 i; |
b8f04b1b NC |
3523 | SV * const msg = sv_2mortal(Perl_newSVpvf(aTHX_ |
3524 | "%s in @INC%s%s (@INC contains:", | |
3525 | msgstr, | |
3526 | (instr(msgstr, ".h ") | |
3527 | ? " (change .h to .ph maybe?)" : ""), | |
3528 | (instr(msgstr, ".ph ") | |
3529 | ? " (did you run h2ph?)" : "") | |
3530 | )); | |
3531 | ||
e31de809 | 3532 | for (i = 0; i <= AvFILL(ar); i++) { |
396482e1 | 3533 | sv_catpvs(msg, " "); |
b8f04b1b | 3534 | sv_catsv(msg, *av_fetch(ar, i, TRUE)); |
e31de809 | 3535 | } |
396482e1 | 3536 | sv_catpvs(msg, ")"); |
e31de809 SP |
3537 | msgstr = SvPV_nolen_const(msg); |
3538 | } | |
2683423c | 3539 | } |
ea071790 | 3540 | DIE(aTHX_ "Can't locate %s", msgstr); |
a0d0e21e LW |
3541 | } |
3542 | ||
3543 | RETPUSHUNDEF; | |
3544 | } | |
d8bfb8bd | 3545 | else |
93189314 | 3546 | SETERRNO(0, SS_NORMAL); |
a0d0e21e LW |
3547 | |
3548 | /* Assume success here to prevent recursive requirement. */ | |
238d24b4 | 3549 | /* name is never assigned to again, so len is still strlen(name) */ |
d3a4e64e | 3550 | /* Check whether a hook in @INC has already filled %INC */ |
44f8325f | 3551 | if (!hook_sv) { |
4492be7a JM |
3552 | (void)hv_store(GvHVn(PL_incgv), |
3553 | unixname, unixlen, newSVpv(CopFILE(&PL_compiling),0),0); | |
44f8325f | 3554 | } else { |
4492be7a | 3555 | SV** const svp = hv_fetch(GvHVn(PL_incgv), unixname, unixlen, 0); |
44f8325f | 3556 | if (!svp) |
4492be7a JM |
3557 | (void)hv_store(GvHVn(PL_incgv), |
3558 | unixname, unixlen, SvREFCNT_inc_simple(hook_sv), 0 ); | |
d3a4e64e | 3559 | } |
a0d0e21e LW |
3560 | |
3561 | ENTER; | |
3562 | SAVETMPS; | |
5486870f | 3563 | lex_start(NULL, tryrsfp, TRUE); |
e50aee73 | 3564 | |
b3ac6de7 | 3565 | SAVEHINTS(); |
3280af22 | 3566 | PL_hints = 0; |
50a25f5b RGS |
3567 | if (PL_compiling.cop_hints_hash) { |
3568 | Perl_refcounted_he_free(aTHX_ PL_compiling.cop_hints_hash); | |
3569 | PL_compiling.cop_hints_hash = NULL; | |
3570 | } | |
27eaf14c | 3571 | |
68da3b2f | 3572 | SAVECOMPILEWARNINGS(); |
0453d815 | 3573 | if (PL_dowarn & G_WARN_ALL_ON) |
d3a7d8c7 | 3574 | PL_compiling.cop_warnings = pWARN_ALL ; |
0453d815 | 3575 | else if (PL_dowarn & G_WARN_ALL_OFF) |
d3a7d8c7 | 3576 | PL_compiling.cop_warnings = pWARN_NONE ; |
ac27b0f5 | 3577 | else |
d3a7d8c7 | 3578 | PL_compiling.cop_warnings = pWARN_STD ; |
a0d0e21e | 3579 | |
34113e50 | 3580 | if (filter_sub || filter_cache) { |
c445ea15 | 3581 | SV * const datasv = filter_add(S_run_user_filter, NULL); |
bbed91b5 | 3582 | IoLINES(datasv) = filter_has_file; |
bbed91b5 KF |
3583 | IoTOP_GV(datasv) = (GV *)filter_state; |
3584 | IoBOTTOM_GV(datasv) = (GV *)filter_sub; | |
34113e50 | 3585 | IoFMT_GV(datasv) = (GV *)filter_cache; |
bbed91b5 KF |
3586 | } |
3587 | ||
3588 | /* switch to eval mode */ | |
a0d0e21e | 3589 | PUSHBLOCK(cx, CXt_EVAL, SP); |
6b75f042 | 3590 | PUSHEVAL(cx, name); |
f39bc417 | 3591 | cx->blk_eval.retop = PL_op->op_next; |
a0d0e21e | 3592 | |
57843af0 GS |
3593 | SAVECOPLINE(&PL_compiling); |
3594 | CopLINE_set(&PL_compiling, 0); | |
a0d0e21e LW |
3595 | |
3596 | PUTBACK; | |
6ec9efec JH |
3597 | |
3598 | /* Store and reset encoding. */ | |
3599 | encoding = PL_encoding; | |
c445ea15 | 3600 | PL_encoding = NULL; |
6ec9efec | 3601 | |
410be5db DM |
3602 | if (doeval(gimme, NULL, NULL, PL_curcop->cop_seq)) |
3603 | op = DOCATCH(PL_eval_start); | |
3604 | else | |
3605 | op = PL_op->op_next; | |
bfed75c6 | 3606 | |
6ec9efec JH |
3607 | /* Restore encoding. */ |
3608 | PL_encoding = encoding; | |
3609 | ||
3610 | return op; | |
a0d0e21e LW |
3611 | } |
3612 | ||
996c9baa VP |
3613 | /* This is a op added to hold the hints hash for |
3614 | pp_entereval. The hash can be modified by the code | |
3615 | being eval'ed, so we return a copy instead. */ | |
3616 | ||
3617 | PP(pp_hintseval) | |
3618 | { | |
3619 | dVAR; | |
3620 | dSP; | |
3621 | mXPUSHs((SV*)Perl_hv_copy_hints_hv(aTHX_ (HV*)cSVOP_sv)); | |
3622 | RETURN; | |
3623 | } | |
3624 | ||
3625 | ||
a0d0e21e LW |
3626 | PP(pp_entereval) |
3627 | { | |
27da23d5 | 3628 | dVAR; dSP; |
c09156bb | 3629 | register PERL_CONTEXT *cx; |
0d863452 | 3630 | SV *sv; |
890ce7af AL |
3631 | const I32 gimme = GIMME_V; |
3632 | const I32 was = PL_sub_generation; | |
83ee9e09 GS |
3633 | char tbuf[TYPE_DIGITS(long) + 12]; |
3634 | char *tmpbuf = tbuf; | |
fc36a67e | 3635 | char *safestr; |
a0d0e21e | 3636 | STRLEN len; |
410be5db | 3637 | bool ok; |
a3985cdc | 3638 | CV* runcv; |
d819b83a | 3639 | U32 seq; |
c445ea15 | 3640 | HV *saved_hh = NULL; |
e80fed9d | 3641 | const char * const fakestr = "_<(eval )"; |
e80fed9d | 3642 | const int fakelen = 9 + 1; |
0d863452 RH |
3643 | |
3644 | if (PL_op->op_private & OPpEVAL_HAS_HH) { | |
3645 | saved_hh = (HV*) SvREFCNT_inc(POPs); | |
3646 | } | |
3647 | sv = POPs; | |
a0d0e21e | 3648 | |
af2d3def | 3649 | TAINT_IF(SvTAINTED(sv)); |
748a9306 | 3650 | TAINT_PROPER("eval"); |
a0d0e21e LW |
3651 | |
3652 | ENTER; | |
5486870f | 3653 | lex_start(sv, NULL, FALSE); |
748a9306 | 3654 | SAVETMPS; |
ac27b0f5 | 3655 | |
a0d0e21e LW |
3656 | /* switch to eval mode */ |
3657 | ||
83ee9e09 | 3658 | if (PERLDB_NAMEEVAL && CopLINE(PL_curcop)) { |
8b38226b AL |
3659 | SV * const temp_sv = sv_newmortal(); |
3660 | Perl_sv_setpvf(aTHX_ temp_sv, "_<(eval %lu)[%s:%"IVdf"]", | |
83ee9e09 GS |
3661 | (unsigned long)++PL_evalseq, |
3662 | CopFILE(PL_curcop), (IV)CopLINE(PL_curcop)); | |
8b38226b AL |
3663 | tmpbuf = SvPVX(temp_sv); |
3664 | len = SvCUR(temp_sv); | |
83ee9e09 GS |
3665 | } |
3666 | else | |
d9fad198 | 3667 | len = my_snprintf(tmpbuf, sizeof(tbuf), "_<(eval %lu)", (unsigned long)++PL_evalseq); |
f4dd75d9 | 3668 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 3669 | CopFILE_set(&PL_compiling, tmpbuf+2); |
f4dd75d9 | 3670 | SAVECOPLINE(&PL_compiling); |
57843af0 | 3671 | CopLINE_set(&PL_compiling, 1); |
55497cff | 3672 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
3673 | deleting the eval's FILEGV from the stash before gv_check() runs | |
3674 | (i.e. before run-time proper). To work around the coredump that | |
3675 | ensues, we always turn GvMULTI_on for any globals that were | |
3676 | introduced within evals. See force_ident(). GSAR 96-10-12 */ | |
f7997f86 NC |
3677 | safestr = savepvn(tmpbuf, len); |
3678 | SAVEDELETE(PL_defstash, safestr, len); | |
b3ac6de7 | 3679 | SAVEHINTS(); |
533c011a | 3680 | PL_hints = PL_op->op_targ; |
0d863452 RH |
3681 | if (saved_hh) |
3682 | GvHV(PL_hintgv) = saved_hh; | |
68da3b2f | 3683 | SAVECOMPILEWARNINGS(); |
72dc9ed5 | 3684 | PL_compiling.cop_warnings = DUP_WARNINGS(PL_curcop->cop_warnings); |
c28fe1ec NC |
3685 | if (PL_compiling.cop_hints_hash) { |
3686 | Perl_refcounted_he_free(aTHX_ PL_compiling.cop_hints_hash); | |
a24d89c9 | 3687 | } |
c28fe1ec NC |
3688 | PL_compiling.cop_hints_hash = PL_curcop->cop_hints_hash; |
3689 | if (PL_compiling.cop_hints_hash) { | |
cbb1fbea | 3690 | HINTS_REFCNT_LOCK; |
c28fe1ec | 3691 | PL_compiling.cop_hints_hash->refcounted_he_refcnt++; |
cbb1fbea | 3692 | HINTS_REFCNT_UNLOCK; |
a24d89c9 | 3693 | } |
d819b83a DM |
3694 | /* special case: an eval '' executed within the DB package gets lexically |
3695 | * placed in the first non-DB CV rather than the current CV - this | |
3696 | * allows the debugger to execute code, find lexicals etc, in the | |
3697 | * scope of the code being debugged. Passing &seq gets find_runcv | |
3698 | * to do the dirty work for us */ | |
3699 | runcv = find_runcv(&seq); | |
a0d0e21e | 3700 | |
6b35e009 | 3701 | PUSHBLOCK(cx, (CXt_EVAL|CXp_REAL), SP); |
6b75f042 | 3702 | PUSHEVAL(cx, 0); |
f39bc417 | 3703 | cx->blk_eval.retop = PL_op->op_next; |
a0d0e21e LW |
3704 | |
3705 | /* prepare to compile string */ | |
3706 | ||
3280af22 | 3707 | if (PERLDB_LINE && PL_curstash != PL_debstash) |
bdc0bf6f | 3708 | save_lines(CopFILEAV(&PL_compiling), PL_parser->linestr); |
a0d0e21e | 3709 | PUTBACK; |
410be5db | 3710 | ok = doeval(gimme, NULL, runcv, seq); |
eb160463 | 3711 | if (PERLDB_INTER && was != (I32)PL_sub_generation /* Some subs defined here. */ |
410be5db | 3712 | && ok) { |
e80fed9d | 3713 | /* Copy in anything fake and short. */ |
28f0d0ec | 3714 | my_strlcpy(safestr, fakestr, fakelen); |
55497cff | 3715 | } |
410be5db | 3716 | return ok ? DOCATCH(PL_eval_start) : PL_op->op_next; |
a0d0e21e LW |
3717 | } |
3718 | ||
3719 | PP(pp_leaveeval) | |
3720 | { | |
27da23d5 | 3721 | dVAR; dSP; |
a0d0e21e LW |
3722 | register SV **mark; |
3723 | SV **newsp; | |
3724 | PMOP *newpm; | |
3725 | I32 gimme; | |
c09156bb | 3726 | register PERL_CONTEXT *cx; |
a0d0e21e | 3727 | OP *retop; |
06b5626a | 3728 | const U8 save_flags = PL_op -> op_flags; |
a0d0e21e LW |
3729 | I32 optype; |
3730 | ||
3731 | POPBLOCK(cx,newpm); | |
3732 | POPEVAL(cx); | |
f39bc417 | 3733 | retop = cx->blk_eval.retop; |
a0d0e21e | 3734 | |
a1f49e72 | 3735 | TAINT_NOT; |
54310121 | 3736 | if (gimme == G_VOID) |
3737 | MARK = newsp; | |
3738 | else if (gimme == G_SCALAR) { | |
3739 | MARK = newsp + 1; | |
3740 | if (MARK <= SP) { | |
3741 | if (SvFLAGS(TOPs) & SVs_TEMP) | |
3742 | *MARK = TOPs; | |
3743 | else | |
3744 | *MARK = sv_mortalcopy(TOPs); | |
3745 | } | |
a0d0e21e | 3746 | else { |
54310121 | 3747 | MEXTEND(mark,0); |
3280af22 | 3748 | *MARK = &PL_sv_undef; |
a0d0e21e | 3749 | } |
a7ec2b44 | 3750 | SP = MARK; |
a0d0e21e LW |
3751 | } |
3752 | else { | |
a1f49e72 CS |
3753 | /* in case LEAVE wipes old return values */ |
3754 | for (mark = newsp + 1; mark <= SP; mark++) { | |
3755 | if (!(SvFLAGS(*mark) & SVs_TEMP)) { | |
a0d0e21e | 3756 | *mark = sv_mortalcopy(*mark); |
a1f49e72 CS |
3757 | TAINT_NOT; /* Each item is independent */ |
3758 | } | |
3759 | } | |
a0d0e21e | 3760 | } |
3280af22 | 3761 | PL_curpm = newpm; /* Don't pop $1 et al till now */ |
a0d0e21e | 3762 | |
4fdae800 | 3763 | #ifdef DEBUGGING |
3280af22 | 3764 | assert(CvDEPTH(PL_compcv) == 1); |
4fdae800 | 3765 | #endif |
3280af22 | 3766 | CvDEPTH(PL_compcv) = 0; |
f46d017c | 3767 | lex_end(); |
4fdae800 | 3768 | |
1ce6579f | 3769 | if (optype == OP_REQUIRE && |
924508f0 | 3770 | !(gimme == G_SCALAR ? SvTRUE(*SP) : SP > newsp)) |
54310121 | 3771 | { |
1ce6579f | 3772 | /* Unassume the success we assumed earlier. */ |
901017d6 | 3773 | SV * const nsv = cx->blk_eval.old_namesv; |
b15aece3 | 3774 | (void)hv_delete(GvHVn(PL_incgv), SvPVX_const(nsv), SvCUR(nsv), G_DISCARD); |
be2597df | 3775 | retop = Perl_die(aTHX_ "%"SVf" did not return a true value", SVfARG(nsv)); |
f46d017c GS |
3776 | /* die_where() did LEAVE, or we won't be here */ |
3777 | } | |
3778 | else { | |
3779 | LEAVE; | |
3780 | if (!(save_flags & OPf_SPECIAL)) | |
c69006e4 | 3781 | sv_setpvn(ERRSV,"",0); |
a0d0e21e | 3782 | } |
a0d0e21e LW |
3783 | |
3784 | RETURNOP(retop); | |
3785 | } | |
3786 | ||
edb2152a NC |
3787 | /* Common code for Perl_call_sv and Perl_fold_constants, put here to keep it |
3788 | close to the related Perl_create_eval_scope. */ | |
3789 | void | |
3790 | Perl_delete_eval_scope(pTHX) | |
a0d0e21e | 3791 | { |
edb2152a NC |
3792 | SV **newsp; |
3793 | PMOP *newpm; | |
3794 | I32 gimme; | |
c09156bb | 3795 | register PERL_CONTEXT *cx; |
edb2152a NC |
3796 | I32 optype; |
3797 | ||
3798 | POPBLOCK(cx,newpm); | |
3799 | POPEVAL(cx); | |
3800 | PL_curpm = newpm; | |
3801 | LEAVE; | |
3802 | PERL_UNUSED_VAR(newsp); | |
3803 | PERL_UNUSED_VAR(gimme); | |
3804 | PERL_UNUSED_VAR(optype); | |
3805 | } | |
a0d0e21e | 3806 | |
edb2152a NC |
3807 | /* Common-ish code salvaged from Perl_call_sv and pp_entertry, because it was |
3808 | also needed by Perl_fold_constants. */ | |
3809 | PERL_CONTEXT * | |
3810 | Perl_create_eval_scope(pTHX_ U32 flags) | |
3811 | { | |
3812 | PERL_CONTEXT *cx; | |
3813 | const I32 gimme = GIMME_V; | |
3814 | ||
a0d0e21e LW |
3815 | ENTER; |
3816 | SAVETMPS; | |
3817 | ||
edb2152a | 3818 | PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), PL_stack_sp); |
6b75f042 | 3819 | PUSHEVAL(cx, 0); |
a0d0e21e | 3820 | |
faef0170 | 3821 | PL_in_eval = EVAL_INEVAL; |
edb2152a NC |
3822 | if (flags & G_KEEPERR) |
3823 | PL_in_eval |= EVAL_KEEPERR; | |
3824 | else | |
3825 | sv_setpvn(ERRSV,"",0); | |
3826 | if (flags & G_FAKINGEVAL) { | |
3827 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ | |
3828 | } | |
3829 | return cx; | |
3830 | } | |
3831 | ||
3832 | PP(pp_entertry) | |
3833 | { | |
3834 | dVAR; | |
df528165 | 3835 | PERL_CONTEXT * const cx = create_eval_scope(0); |
edb2152a | 3836 | cx->blk_eval.retop = cLOGOP->op_other->op_next; |
533c011a | 3837 | return DOCATCH(PL_op->op_next); |
a0d0e21e LW |
3838 | } |
3839 | ||
3840 | PP(pp_leavetry) | |
3841 | { | |
27da23d5 | 3842 | dVAR; dSP; |
a0d0e21e LW |
3843 | SV **newsp; |
3844 | PMOP *newpm; | |
3845 | I32 gimme; | |
c09156bb | 3846 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
3847 | I32 optype; |
3848 | ||
3849 | POPBLOCK(cx,newpm); | |
3850 | POPEVAL(cx); | |
9d4ba2ae | 3851 | PERL_UNUSED_VAR(optype); |
a0d0e21e | 3852 | |
a1f49e72 | 3853 | TAINT_NOT; |
54310121 | 3854 | if (gimme == G_VOID) |
3855 | SP = newsp; | |
3856 | else if (gimme == G_SCALAR) { | |
c445ea15 | 3857 | register SV **mark; |
54310121 | 3858 | MARK = newsp + 1; |
3859 | if (MARK <= SP) { | |
3860 | if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP)) | |
3861 | *MARK = TOPs; | |
3862 | else | |
3863 | *MARK = sv_mortalcopy(TOPs); | |
3864 | } | |
a0d0e21e | 3865 | else { |
54310121 | 3866 | MEXTEND(mark,0); |
3280af22 | 3867 | *MARK = &PL_sv_undef; |
a0d0e21e LW |
3868 | } |
3869 | SP = MARK; | |
3870 | } | |
3871 | else { | |
a1f49e72 | 3872 | /* in case LEAVE wipes old return values */ |
c445ea15 | 3873 | register SV **mark; |
a1f49e72 CS |
3874 | for (mark = newsp + 1; mark <= SP; mark++) { |
3875 | if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) { | |
a0d0e21e | 3876 | *mark = sv_mortalcopy(*mark); |
a1f49e72 CS |
3877 | TAINT_NOT; /* Each item is independent */ |
3878 | } | |
3879 | } | |
a0d0e21e | 3880 | } |
3280af22 | 3881 | PL_curpm = newpm; /* Don't pop $1 et al till now */ |
a0d0e21e LW |
3882 | |
3883 | LEAVE; | |
c69006e4 | 3884 | sv_setpvn(ERRSV,"",0); |
745cf2ff | 3885 | RETURN; |
a0d0e21e LW |
3886 | } |
3887 | ||
0d863452 RH |
3888 | PP(pp_entergiven) |
3889 | { | |
3890 | dVAR; dSP; | |
3891 | register PERL_CONTEXT *cx; | |
3892 | const I32 gimme = GIMME_V; | |
3893 | ||
3894 | ENTER; | |
3895 | SAVETMPS; | |
3896 | ||
3897 | if (PL_op->op_targ == 0) { | |
c445ea15 | 3898 | SV ** const defsv_p = &GvSV(PL_defgv); |
0d863452 RH |
3899 | *defsv_p = newSVsv(POPs); |
3900 | SAVECLEARSV(*defsv_p); | |
3901 | } | |
3902 | else | |
3903 | sv_setsv(PAD_SV(PL_op->op_targ), POPs); | |
3904 | ||
3905 | PUSHBLOCK(cx, CXt_GIVEN, SP); | |
3906 | PUSHGIVEN(cx); | |
3907 | ||
3908 | RETURN; | |
3909 | } | |
3910 | ||
3911 | PP(pp_leavegiven) | |
3912 | { | |
3913 | dVAR; dSP; | |
3914 | register PERL_CONTEXT *cx; | |
3915 | I32 gimme; | |
3916 | SV **newsp; | |
3917 | PMOP *newpm; | |
96a5add6 | 3918 | PERL_UNUSED_CONTEXT; |
0d863452 RH |
3919 | |
3920 | POPBLOCK(cx,newpm); | |
3921 | assert(CxTYPE(cx) == CXt_GIVEN); | |
0d863452 RH |
3922 | |
3923 | SP = newsp; | |
3924 | PUTBACK; | |
3925 | ||
3926 | PL_curpm = newpm; /* pop $1 et al */ | |
3927 | ||
3928 | LEAVE; | |
3929 | ||
3930 | return NORMAL; | |
3931 | } | |
3932 | ||
3933 | /* Helper routines used by pp_smartmatch */ | |
4136a0f7 | 3934 | STATIC PMOP * |
84679df5 | 3935 | S_make_matcher(pTHX_ REGEXP *re) |
0d863452 | 3936 | { |
97aff369 | 3937 | dVAR; |
0d863452 | 3938 | PMOP *matcher = (PMOP *) newPMOP(OP_MATCH, OPf_WANT_SCALAR | OPf_STACKED); |
7918f24d NC |
3939 | |
3940 | PERL_ARGS_ASSERT_MAKE_MATCHER; | |
3941 | ||
d6106309 | 3942 | PM_SETRE(matcher, ReREFCNT_inc(re)); |
7918f24d | 3943 | |
0d863452 RH |
3944 | SAVEFREEOP((OP *) matcher); |
3945 | ENTER; SAVETMPS; | |
3946 | SAVEOP(); | |
3947 | return matcher; | |
3948 | } | |
3949 | ||
4136a0f7 | 3950 | STATIC bool |
0d863452 RH |
3951 | S_matcher_matches_sv(pTHX_ PMOP *matcher, SV *sv) |
3952 | { | |
97aff369 | 3953 | dVAR; |
0d863452 | 3954 | dSP; |
7918f24d NC |
3955 | |
3956 | PERL_ARGS_ASSERT_MATCHER_MATCHES_SV; | |
0d863452 RH |
3957 | |
3958 | PL_op = (OP *) matcher; | |
3959 | XPUSHs(sv); | |
3960 | PUTBACK; | |
3961 | (void) pp_match(); | |
3962 | SPAGAIN; | |
3963 | return (SvTRUEx(POPs)); | |
3964 | } | |
3965 | ||
4136a0f7 | 3966 | STATIC void |
0d863452 RH |
3967 | S_destroy_matcher(pTHX_ PMOP *matcher) |
3968 | { | |
97aff369 | 3969 | dVAR; |
7918f24d NC |
3970 | |
3971 | PERL_ARGS_ASSERT_DESTROY_MATCHER; | |
0d863452 | 3972 | PERL_UNUSED_ARG(matcher); |
7918f24d | 3973 | |
0d863452 RH |
3974 | FREETMPS; |
3975 | LEAVE; | |
3976 | } | |
3977 | ||
3978 | /* Do a smart match */ | |
3979 | PP(pp_smartmatch) | |
3980 | { | |
a0714e2c | 3981 | return do_smartmatch(NULL, NULL); |
0d863452 RH |
3982 | } |
3983 | ||
4b021f5f RGS |
3984 | /* This version of do_smartmatch() implements the |
3985 | * table of smart matches that is found in perlsyn. | |
0d863452 | 3986 | */ |
4136a0f7 | 3987 | STATIC OP * |
0d863452 RH |
3988 | S_do_smartmatch(pTHX_ HV *seen_this, HV *seen_other) |
3989 | { | |
97aff369 | 3990 | dVAR; |
0d863452 RH |
3991 | dSP; |
3992 | ||
3993 | SV *e = TOPs; /* e is for 'expression' */ | |
3994 | SV *d = TOPm1s; /* d is for 'default', as in PL_defgv */ | |
10edeb5d | 3995 | SV *This, *Other; /* 'This' (and Other to match) to play with C++ */ |
84679df5 | 3996 | REGEXP *this_regex, *other_regex; |
0d863452 RH |
3997 | |
3998 | # define NOT_EMPTY_PROTO(cv) (!SvPOK(cv) || SvCUR(cv) == 0) | |
3999 | ||
4000 | # define SM_REF(type) ( \ | |
10edeb5d JH |
4001 | (SvROK(d) && (SvTYPE(This = SvRV(d)) == SVt_##type) && (Other = e)) \ |
4002 | || (SvROK(e) && (SvTYPE(This = SvRV(e)) == SVt_##type) && (Other = d))) | |
0d863452 RH |
4003 | |
4004 | # define SM_CV_NEP /* Find a code ref without an empty prototype */ \ | |
10edeb5d JH |
4005 | ((SvROK(d) && (SvTYPE(This = SvRV(d)) == SVt_PVCV) \ |
4006 | && NOT_EMPTY_PROTO(This) && (Other = e)) \ | |
4007 | || (SvROK(e) && (SvTYPE(This = SvRV(e)) == SVt_PVCV) \ | |
4008 | && NOT_EMPTY_PROTO(This) && (Other = d))) | |
0d863452 RH |
4009 | |
4010 | # define SM_REGEX ( \ | |
5c35adbb | 4011 | (SvROK(d) && (SvTYPE(This = SvRV(d)) == SVt_REGEXP) \ |
d2f13c59 | 4012 | && (this_regex = (REGEXP*) This) \ |
10edeb5d | 4013 | && (Other = e)) \ |
0d863452 | 4014 | || \ |
5c35adbb | 4015 | (SvROK(e) && (SvTYPE(This = SvRV(e)) == SVt_REGEXP) \ |
d2f13c59 | 4016 | && (this_regex = (REGEXP*) This) \ |
10edeb5d | 4017 | && (Other = d)) ) |
0d863452 RH |
4018 | |
4019 | ||
4020 | # define SM_OTHER_REF(type) \ | |
10edeb5d | 4021 | (SvROK(Other) && SvTYPE(SvRV(Other)) == SVt_##type) |
0d863452 | 4022 | |
5c35adbb NC |
4023 | # define SM_OTHER_REGEX (SvROK(Other) \ |
4024 | && (SvTYPE(SvRV(Other)) == SVt_REGEXP) \ | |
d2f13c59 | 4025 | && (other_regex = (REGEXP*) SvRV(Other))) |
5c35adbb | 4026 | |
0d863452 RH |
4027 | |
4028 | # define SM_SEEN_THIS(sv) hv_exists_ent(seen_this, \ | |
98f4023c | 4029 | sv_2mortal(newSViv(PTR2IV(sv))), 0) |
0d863452 RH |
4030 | |
4031 | # define SM_SEEN_OTHER(sv) hv_exists_ent(seen_other, \ | |
98f4023c | 4032 | sv_2mortal(newSViv(PTR2IV(sv))), 0) |
0d863452 RH |
4033 | |
4034 | tryAMAGICbinSET(smart, 0); | |
4035 | ||
4036 | SP -= 2; /* Pop the values */ | |
4037 | ||
4038 | /* Take care only to invoke mg_get() once for each argument. | |
4039 | * Currently we do this by copying the SV if it's magical. */ | |
4040 | if (d) { | |
4041 | if (SvGMAGICAL(d)) | |
4042 | d = sv_mortalcopy(d); | |
4043 | } | |
4044 | else | |
4045 | d = &PL_sv_undef; | |
4046 | ||
4047 | assert(e); | |
4048 | if (SvGMAGICAL(e)) | |
4049 | e = sv_mortalcopy(e); | |
4050 | ||
4051 | if (SM_CV_NEP) { | |
4052 | I32 c; | |
4053 | ||
10edeb5d | 4054 | if ( SM_OTHER_REF(PVCV) && NOT_EMPTY_PROTO(SvRV(Other)) ) |
0d863452 | 4055 | { |
10edeb5d | 4056 | if (This == SvRV(Other)) |
0d863452 RH |
4057 | RETPUSHYES; |
4058 | else | |
4059 | RETPUSHNO; | |
4060 | } | |
4061 | ||
4062 | ENTER; | |
4063 | SAVETMPS; | |
4064 | PUSHMARK(SP); | |
10edeb5d | 4065 | PUSHs(Other); |
0d863452 | 4066 | PUTBACK; |
10edeb5d | 4067 | c = call_sv(This, G_SCALAR); |
0d863452 RH |
4068 | SPAGAIN; |
4069 | if (c == 0) | |
4070 | PUSHs(&PL_sv_no); | |
4071 | else if (SvTEMP(TOPs)) | |
df528165 | 4072 | SvREFCNT_inc_void(TOPs); |
0d863452 RH |
4073 | FREETMPS; |
4074 | LEAVE; | |
4075 | RETURN; | |
4076 | } | |
4077 | else if (SM_REF(PVHV)) { | |
4078 | if (SM_OTHER_REF(PVHV)) { | |
4079 | /* Check that the key-sets are identical */ | |
4080 | HE *he; | |
10edeb5d | 4081 | HV *other_hv = (HV *) SvRV(Other); |
0d863452 RH |
4082 | bool tied = FALSE; |
4083 | bool other_tied = FALSE; | |
4084 | U32 this_key_count = 0, | |
4085 | other_key_count = 0; | |
4086 | ||
4087 | /* Tied hashes don't know how many keys they have. */ | |
10edeb5d | 4088 | if (SvTIED_mg(This, PERL_MAGIC_tied)) { |
0d863452 RH |
4089 | tied = TRUE; |
4090 | } | |
4091 | else if (SvTIED_mg((SV *) other_hv, PERL_MAGIC_tied)) { | |
c445ea15 | 4092 | HV * const temp = other_hv; |
10edeb5d JH |
4093 | other_hv = (HV *) This; |
4094 | This = (SV *) temp; | |
0d863452 RH |
4095 | tied = TRUE; |
4096 | } | |
4097 | if (SvTIED_mg((SV *) other_hv, PERL_MAGIC_tied)) | |
4098 | other_tied = TRUE; | |
4099 | ||
10edeb5d | 4100 | if (!tied && HvUSEDKEYS((HV *) This) != HvUSEDKEYS(other_hv)) |
0d863452 RH |
4101 | RETPUSHNO; |
4102 | ||
4103 | /* The hashes have the same number of keys, so it suffices | |
4104 | to check that one is a subset of the other. */ | |
10edeb5d JH |
4105 | (void) hv_iterinit((HV *) This); |
4106 | while ( (he = hv_iternext((HV *) This)) ) { | |
0d863452 | 4107 | I32 key_len; |
c445ea15 | 4108 | char * const key = hv_iterkey(he, &key_len); |
0d863452 RH |
4109 | |
4110 | ++ this_key_count; | |
4111 | ||
4112 | if(!hv_exists(other_hv, key, key_len)) { | |
10edeb5d | 4113 | (void) hv_iterinit((HV *) This); /* reset iterator */ |
0d863452 RH |
4114 | RETPUSHNO; |
4115 | } | |
4116 | } | |
4117 | ||
4118 | if (other_tied) { | |
4119 | (void) hv_iterinit(other_hv); | |
4120 | while ( hv_iternext(other_hv) ) | |
4121 | ++other_key_count; | |
4122 | } | |
4123 | else | |
4124 | other_key_count = HvUSEDKEYS(other_hv); | |
4125 | ||
4126 | if (this_key_count != other_key_count) | |
4127 | RETPUSHNO; | |
4128 | else | |
4129 | RETPUSHYES; | |
4130 | } | |
4131 | else if (SM_OTHER_REF(PVAV)) { | |
10edeb5d | 4132 | AV * const other_av = (AV *) SvRV(Other); |
c445ea15 | 4133 | const I32 other_len = av_len(other_av) + 1; |
0d863452 | 4134 | I32 i; |
71b0fb34 DK |
4135 | |
4136 | for (i = 0; i < other_len; ++i) { | |
c445ea15 | 4137 | SV ** const svp = av_fetch(other_av, i, FALSE); |
0d863452 RH |
4138 | char *key; |
4139 | STRLEN key_len; | |
4140 | ||
71b0fb34 DK |
4141 | if (svp) { /* ??? When can this not happen? */ |
4142 | key = SvPV(*svp, key_len); | |
4143 | if (hv_exists((HV *) This, key, key_len)) | |
4144 | RETPUSHYES; | |
4145 | } | |
0d863452 | 4146 | } |
71b0fb34 | 4147 | RETPUSHNO; |
0d863452 RH |
4148 | } |
4149 | else if (SM_OTHER_REGEX) { | |
c445ea15 | 4150 | PMOP * const matcher = make_matcher(other_regex); |
0d863452 RH |
4151 | HE *he; |
4152 | ||
10edeb5d JH |
4153 | (void) hv_iterinit((HV *) This); |
4154 | while ( (he = hv_iternext((HV *) This)) ) { | |
0d863452 | 4155 | if (matcher_matches_sv(matcher, hv_iterkeysv(he))) { |
10edeb5d | 4156 | (void) hv_iterinit((HV *) This); |
0d863452 RH |
4157 | destroy_matcher(matcher); |
4158 | RETPUSHYES; | |
4159 | } | |
4160 | } | |
4161 | destroy_matcher(matcher); | |
4162 | RETPUSHNO; | |
4163 | } | |
4164 | else { | |
10edeb5d | 4165 | if (hv_exists_ent((HV *) This, Other, 0)) |
0d863452 RH |
4166 | RETPUSHYES; |
4167 | else | |
4168 | RETPUSHNO; | |
4169 | } | |
4170 | } | |
4171 | else if (SM_REF(PVAV)) { | |
4172 | if (SM_OTHER_REF(PVAV)) { | |
10edeb5d JH |
4173 | AV *other_av = (AV *) SvRV(Other); |
4174 | if (av_len((AV *) This) != av_len(other_av)) | |
0d863452 RH |
4175 | RETPUSHNO; |
4176 | else { | |
4177 | I32 i; | |
c445ea15 | 4178 | const I32 other_len = av_len(other_av); |
0d863452 | 4179 | |
a0714e2c | 4180 | if (NULL == seen_this) { |
0d863452 RH |
4181 | seen_this = newHV(); |
4182 | (void) sv_2mortal((SV *) seen_this); | |
4183 | } | |
a0714e2c | 4184 | if (NULL == seen_other) { |
0d863452 RH |
4185 | seen_this = newHV(); |
4186 | (void) sv_2mortal((SV *) seen_other); | |
4187 | } | |
4188 | for(i = 0; i <= other_len; ++i) { | |
10edeb5d | 4189 | SV * const * const this_elem = av_fetch((AV *)This, i, FALSE); |
c445ea15 AL |
4190 | SV * const * const other_elem = av_fetch(other_av, i, FALSE); |
4191 | ||
0d863452 RH |
4192 | if (!this_elem || !other_elem) { |
4193 | if (this_elem || other_elem) | |
4194 | RETPUSHNO; | |
4195 | } | |
4196 | else if (SM_SEEN_THIS(*this_elem) | |
4197 | || SM_SEEN_OTHER(*other_elem)) | |
4198 | { | |
4199 | if (*this_elem != *other_elem) | |
4200 | RETPUSHNO; | |
4201 | } | |
4202 | else { | |
04fe65b0 RGS |
4203 | (void)hv_store_ent(seen_this, |
4204 | sv_2mortal(newSViv(PTR2IV(*this_elem))), | |
4205 | &PL_sv_undef, 0); | |
4206 | (void)hv_store_ent(seen_other, | |
4207 | sv_2mortal(newSViv(PTR2IV(*other_elem))), | |
4208 | &PL_sv_undef, 0); | |
0d863452 RH |
4209 | PUSHs(*this_elem); |
4210 | PUSHs(*other_elem); | |
4211 | ||
4212 | PUTBACK; | |
4213 | (void) do_smartmatch(seen_this, seen_other); | |
4214 | SPAGAIN; | |
4215 | ||
4216 | if (!SvTRUEx(POPs)) | |
4217 | RETPUSHNO; | |
4218 | } | |
4219 | } | |
4220 | RETPUSHYES; | |
4221 | } | |
4222 | } | |
4223 | else if (SM_OTHER_REGEX) { | |
c445ea15 | 4224 | PMOP * const matcher = make_matcher(other_regex); |
10edeb5d | 4225 | const I32 this_len = av_len((AV *) This); |
0d863452 | 4226 | I32 i; |
0d863452 RH |
4227 | |
4228 | for(i = 0; i <= this_len; ++i) { | |
10edeb5d | 4229 | SV * const * const svp = av_fetch((AV *)This, i, FALSE); |
0d863452 RH |
4230 | if (svp && matcher_matches_sv(matcher, *svp)) { |
4231 | destroy_matcher(matcher); | |
4232 | RETPUSHYES; | |
4233 | } | |
4234 | } | |
4235 | destroy_matcher(matcher); | |
4236 | RETPUSHNO; | |
4237 | } | |
10edeb5d | 4238 | else if (SvIOK(Other) || SvNOK(Other)) { |
0d863452 RH |
4239 | I32 i; |
4240 | ||
10edeb5d JH |
4241 | for(i = 0; i <= AvFILL((AV *) This); ++i) { |
4242 | SV * const * const svp = av_fetch((AV *)This, i, FALSE); | |
0d863452 RH |
4243 | if (!svp) |
4244 | continue; | |
4245 | ||
10edeb5d | 4246 | PUSHs(Other); |
0d863452 RH |
4247 | PUSHs(*svp); |
4248 | PUTBACK; | |
a98fe34d | 4249 | if (CopHINTS_get(PL_curcop) & HINT_INTEGER) |
0d863452 RH |
4250 | (void) pp_i_eq(); |
4251 | else | |
4252 | (void) pp_eq(); | |
4253 | SPAGAIN; | |
4254 | if (SvTRUEx(POPs)) | |
4255 | RETPUSHYES; | |
4256 | } | |
4257 | RETPUSHNO; | |
4258 | } | |
10edeb5d JH |
4259 | else if (SvPOK(Other)) { |
4260 | const I32 this_len = av_len((AV *) This); | |
0d863452 | 4261 | I32 i; |
0d863452 RH |
4262 | |
4263 | for(i = 0; i <= this_len; ++i) { | |
10edeb5d | 4264 | SV * const * const svp = av_fetch((AV *)This, i, FALSE); |
0d863452 RH |
4265 | if (!svp) |
4266 | continue; | |
4267 | ||
10edeb5d | 4268 | PUSHs(Other); |
0d863452 RH |
4269 | PUSHs(*svp); |
4270 | PUTBACK; | |
4271 | (void) pp_seq(); | |
4272 | SPAGAIN; | |
4273 | if (SvTRUEx(POPs)) | |
4274 | RETPUSHYES; | |
4275 | } | |
4276 | RETPUSHNO; | |
4277 | } | |
4278 | } | |
4279 | else if (!SvOK(d) || !SvOK(e)) { | |
4280 | if (!SvOK(d) && !SvOK(e)) | |
4281 | RETPUSHYES; | |
4282 | else | |
4283 | RETPUSHNO; | |
4284 | } | |
4285 | else if (SM_REGEX) { | |
c445ea15 | 4286 | PMOP * const matcher = make_matcher(this_regex); |
0d863452 RH |
4287 | |
4288 | PUTBACK; | |
10edeb5d | 4289 | PUSHs(matcher_matches_sv(matcher, Other) |
0d863452 RH |
4290 | ? &PL_sv_yes |
4291 | : &PL_sv_no); | |
4292 | destroy_matcher(matcher); | |
4293 | RETURN; | |
4294 | } | |
4295 | else if (SM_REF(PVCV)) { | |
4296 | I32 c; | |
4297 | /* This must be a null-prototyped sub, because we | |
4298 | already checked for the other kind. */ | |
4299 | ||
4300 | ENTER; | |
4301 | SAVETMPS; | |
4302 | PUSHMARK(SP); | |
4303 | PUTBACK; | |
10edeb5d | 4304 | c = call_sv(This, G_SCALAR); |
0d863452 RH |
4305 | SPAGAIN; |
4306 | if (c == 0) | |
4307 | PUSHs(&PL_sv_undef); | |
4308 | else if (SvTEMP(TOPs)) | |
df528165 | 4309 | SvREFCNT_inc_void(TOPs); |
0d863452 RH |
4310 | |
4311 | if (SM_OTHER_REF(PVCV)) { | |
4312 | /* This one has to be null-proto'd too. | |
4313 | Call both of 'em, and compare the results */ | |
4314 | PUSHMARK(SP); | |
10edeb5d | 4315 | c = call_sv(SvRV(Other), G_SCALAR); |
0d863452 RH |
4316 | SPAGAIN; |
4317 | if (c == 0) | |
4318 | PUSHs(&PL_sv_undef); | |
4319 | else if (SvTEMP(TOPs)) | |
df528165 | 4320 | SvREFCNT_inc_void(TOPs); |
0d863452 RH |
4321 | FREETMPS; |
4322 | LEAVE; | |
4323 | PUTBACK; | |
4324 | return pp_eq(); | |
4325 | } | |
4326 | ||
4327 | FREETMPS; | |
4328 | LEAVE; | |
4329 | RETURN; | |
4330 | } | |
10edeb5d JH |
4331 | else if ( ((SvIOK(d) || SvNOK(d)) && (This = d) && (Other = e)) |
4332 | || ((SvIOK(e) || SvNOK(e)) && (This = e) && (Other = d)) ) | |
0d863452 | 4333 | { |
10edeb5d | 4334 | if (SvPOK(Other) && !looks_like_number(Other)) { |
0d863452 RH |
4335 | /* String comparison */ |
4336 | PUSHs(d); PUSHs(e); | |
4337 | PUTBACK; | |
4338 | return pp_seq(); | |
4339 | } | |
4340 | /* Otherwise, numeric comparison */ | |
4341 | PUSHs(d); PUSHs(e); | |
4342 | PUTBACK; | |
a98fe34d | 4343 | if (CopHINTS_get(PL_curcop) & HINT_INTEGER) |
0d863452 RH |
4344 | (void) pp_i_eq(); |
4345 | else | |
4346 | (void) pp_eq(); | |
4347 | SPAGAIN; | |
4348 | if (SvTRUEx(POPs)) | |
4349 | RETPUSHYES; | |
4350 | else | |
4351 | RETPUSHNO; | |
4352 | } | |
4353 | ||
4354 | /* As a last resort, use string comparison */ | |
4355 | PUSHs(d); PUSHs(e); | |
4356 | PUTBACK; | |
4357 | return pp_seq(); | |
4358 | } | |
4359 | ||
4360 | PP(pp_enterwhen) | |
4361 | { | |
4362 | dVAR; dSP; | |
4363 | register PERL_CONTEXT *cx; | |
4364 | const I32 gimme = GIMME_V; | |
4365 | ||
4366 | /* This is essentially an optimization: if the match | |
4367 | fails, we don't want to push a context and then | |
4368 | pop it again right away, so we skip straight | |
4369 | to the op that follows the leavewhen. | |
4370 | */ | |
4371 | if ((0 == (PL_op->op_flags & OPf_SPECIAL)) && !SvTRUEx(POPs)) | |
4372 | return cLOGOP->op_other->op_next; | |
4373 | ||
4374 | ENTER; | |
4375 | SAVETMPS; | |
4376 | ||
4377 | PUSHBLOCK(cx, CXt_WHEN, SP); | |
4378 | PUSHWHEN(cx); | |
4379 | ||
4380 | RETURN; | |
4381 | } | |
4382 | ||
4383 | PP(pp_leavewhen) | |
4384 | { | |
4385 | dVAR; dSP; | |
4386 | register PERL_CONTEXT *cx; | |
4387 | I32 gimme; | |
4388 | SV **newsp; | |
4389 | PMOP *newpm; | |
4390 | ||
4391 | POPBLOCK(cx,newpm); | |
4392 | assert(CxTYPE(cx) == CXt_WHEN); | |
4393 | ||
4394 | SP = newsp; | |
4395 | PUTBACK; | |
4396 | ||
4397 | PL_curpm = newpm; /* pop $1 et al */ | |
4398 | ||
4399 | LEAVE; | |
4400 | return NORMAL; | |
4401 | } | |
4402 | ||
4403 | PP(pp_continue) | |
4404 | { | |
4405 | dVAR; | |
4406 | I32 cxix; | |
4407 | register PERL_CONTEXT *cx; | |
4408 | I32 inner; | |
4409 | ||
4410 | cxix = dopoptowhen(cxstack_ix); | |
4411 | if (cxix < 0) | |
4412 | DIE(aTHX_ "Can't \"continue\" outside a when block"); | |
4413 | if (cxix < cxstack_ix) | |
4414 | dounwind(cxix); | |
4415 | ||
4416 | /* clear off anything above the scope we're re-entering */ | |
4417 | inner = PL_scopestack_ix; | |
4418 | TOPBLOCK(cx); | |
4419 | if (PL_scopestack_ix < inner) | |
4420 | leave_scope(PL_scopestack[PL_scopestack_ix]); | |
4421 | PL_curcop = cx->blk_oldcop; | |
4422 | return cx->blk_givwhen.leave_op; | |
4423 | } | |
4424 | ||
4425 | PP(pp_break) | |
4426 | { | |
4427 | dVAR; | |
4428 | I32 cxix; | |
4429 | register PERL_CONTEXT *cx; | |
4430 | I32 inner; | |
4431 | ||
4432 | cxix = dopoptogiven(cxstack_ix); | |
4433 | if (cxix < 0) { | |
4434 | if (PL_op->op_flags & OPf_SPECIAL) | |
4435 | DIE(aTHX_ "Can't use when() outside a topicalizer"); | |
4436 | else | |
4437 | DIE(aTHX_ "Can't \"break\" outside a given block"); | |
4438 | } | |
4439 | if (CxFOREACH(&cxstack[cxix]) && (0 == (PL_op->op_flags & OPf_SPECIAL))) | |
4440 | DIE(aTHX_ "Can't \"break\" in a loop topicalizer"); | |
4441 | ||
4442 | if (cxix < cxstack_ix) | |
4443 | dounwind(cxix); | |
4444 | ||
4445 | /* clear off anything above the scope we're re-entering */ | |
4446 | inner = PL_scopestack_ix; | |
4447 | TOPBLOCK(cx); | |
4448 | if (PL_scopestack_ix < inner) | |
4449 | leave_scope(PL_scopestack[PL_scopestack_ix]); | |
4450 | PL_curcop = cx->blk_oldcop; | |
4451 | ||
4452 | if (CxFOREACH(cx)) | |
022eaa24 | 4453 | return CX_LOOP_NEXTOP_GET(cx); |
0d863452 RH |
4454 | else |
4455 | return cx->blk_givwhen.leave_op; | |
4456 | } | |
4457 | ||
a1b95068 | 4458 | STATIC OP * |
cea2e8a9 | 4459 | S_doparseform(pTHX_ SV *sv) |
a0d0e21e LW |
4460 | { |
4461 | STRLEN len; | |
4462 | register char *s = SvPV_force(sv, len); | |
c445ea15 AL |
4463 | register char * const send = s + len; |
4464 | register char *base = NULL; | |
a0d0e21e | 4465 | register I32 skipspaces = 0; |
9c5ffd7c JH |
4466 | bool noblank = FALSE; |
4467 | bool repeat = FALSE; | |
a0d0e21e | 4468 | bool postspace = FALSE; |
dea28490 JJ |
4469 | U32 *fops; |
4470 | register U32 *fpc; | |
cbbf8932 | 4471 | U32 *linepc = NULL; |
a0d0e21e LW |
4472 | register I32 arg; |
4473 | bool ischop; | |
a1b95068 WL |
4474 | bool unchopnum = FALSE; |
4475 | int maxops = 12; /* FF_LINEMARK + FF_END + 10 (\0 without preceding \n) */ | |
a0d0e21e | 4476 | |
7918f24d NC |
4477 | PERL_ARGS_ASSERT_DOPARSEFORM; |
4478 | ||
55497cff | 4479 | if (len == 0) |
cea2e8a9 | 4480 | Perl_croak(aTHX_ "Null picture in formline"); |
ac27b0f5 | 4481 | |
815f25c6 DM |
4482 | /* estimate the buffer size needed */ |
4483 | for (base = s; s <= send; s++) { | |
a1b95068 | 4484 | if (*s == '\n' || *s == '@' || *s == '^') |
815f25c6 DM |
4485 | maxops += 10; |
4486 | } | |
4487 | s = base; | |
c445ea15 | 4488 | base = NULL; |
815f25c6 | 4489 | |
a02a5408 | 4490 | Newx(fops, maxops, U32); |
a0d0e21e LW |
4491 | fpc = fops; |
4492 | ||
4493 | if (s < send) { | |
4494 | linepc = fpc; | |
4495 | *fpc++ = FF_LINEMARK; | |
4496 | noblank = repeat = FALSE; | |
4497 | base = s; | |
4498 | } | |
4499 | ||
4500 | while (s <= send) { | |
4501 | switch (*s++) { | |
4502 | default: | |
4503 | skipspaces = 0; | |
4504 | continue; | |
4505 | ||
4506 | case '~': | |
4507 | if (*s == '~') { | |
4508 | repeat = TRUE; | |
4509 | *s = ' '; | |
4510 | } | |
4511 | noblank = TRUE; | |
4512 | s[-1] = ' '; | |
4513 | /* FALL THROUGH */ | |
4514 | case ' ': case '\t': | |
4515 | skipspaces++; | |
4516 | continue; | |
a1b95068 WL |
4517 | case 0: |
4518 | if (s < send) { | |
4519 | skipspaces = 0; | |
4520 | continue; | |
4521 | } /* else FALL THROUGH */ | |
4522 | case '\n': | |
a0d0e21e LW |
4523 | arg = s - base; |
4524 | skipspaces++; | |
4525 | arg -= skipspaces; | |
4526 | if (arg) { | |
5f05dabc | 4527 | if (postspace) |
a0d0e21e | 4528 | *fpc++ = FF_SPACE; |
a0d0e21e | 4529 | *fpc++ = FF_LITERAL; |
eb160463 | 4530 | *fpc++ = (U16)arg; |
a0d0e21e | 4531 | } |
5f05dabc | 4532 | postspace = FALSE; |
a0d0e21e LW |
4533 | if (s <= send) |
4534 | skipspaces--; | |
4535 | if (skipspaces) { | |
4536 | *fpc++ = FF_SKIP; | |
eb160463 | 4537 | *fpc++ = (U16)skipspaces; |
a0d0e21e LW |
4538 | } |
4539 | skipspaces = 0; | |
4540 | if (s <= send) | |
4541 | *fpc++ = FF_NEWLINE; | |
4542 | if (noblank) { | |
4543 | *fpc++ = FF_BLANK; | |
4544 | if (repeat) | |
4545 | arg = fpc - linepc + 1; | |
4546 | else | |
4547 | arg = 0; | |
eb160463 | 4548 | *fpc++ = (U16)arg; |
a0d0e21e LW |
4549 | } |
4550 | if (s < send) { | |
4551 | linepc = fpc; | |
4552 | *fpc++ = FF_LINEMARK; | |
4553 | noblank = repeat = FALSE; | |
4554 | base = s; | |
4555 | } | |
4556 | else | |
4557 | s++; | |
4558 | continue; | |
4559 | ||
4560 | case '@': | |
4561 | case '^': | |
4562 | ischop = s[-1] == '^'; | |
4563 | ||
4564 | if (postspace) { | |
4565 | *fpc++ = FF_SPACE; | |
4566 | postspace = FALSE; | |
4567 | } | |
4568 | arg = (s - base) - 1; | |
4569 | if (arg) { | |
4570 | *fpc++ = FF_LITERAL; | |
eb160463 | 4571 | *fpc++ = (U16)arg; |
a0d0e21e LW |
4572 | } |
4573 | ||
4574 | base = s - 1; | |
4575 | *fpc++ = FF_FETCH; | |
4576 | if (*s == '*') { | |
4577 | s++; | |
a1b95068 WL |
4578 | *fpc++ = 2; /* skip the @* or ^* */ |
4579 | if (ischop) { | |
4580 | *fpc++ = FF_LINESNGL; | |
4581 | *fpc++ = FF_CHOP; | |
4582 | } else | |
4583 | *fpc++ = FF_LINEGLOB; | |
a0d0e21e LW |
4584 | } |
4585 | else if (*s == '#' || (*s == '.' && s[1] == '#')) { | |
4586 | arg = ischop ? 512 : 0; | |
4587 | base = s - 1; | |
4588 | while (*s == '#') | |
4589 | s++; | |
4590 | if (*s == '.') { | |
06b5626a | 4591 | const char * const f = ++s; |
a0d0e21e LW |
4592 | while (*s == '#') |
4593 | s++; | |
4594 | arg |= 256 + (s - f); | |
4595 | } | |
4596 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
4597 | *fpc++ = FF_DECIMAL; | |
eb160463 | 4598 | *fpc++ = (U16)arg; |
a1b95068 | 4599 | unchopnum |= ! ischop; |
784707d5 JP |
4600 | } |
4601 | else if (*s == '0' && s[1] == '#') { /* Zero padded decimals */ | |
4602 | arg = ischop ? 512 : 0; | |
4603 | base = s - 1; | |
4604 | s++; /* skip the '0' first */ | |
4605 | while (*s == '#') | |
4606 | s++; | |
4607 | if (*s == '.') { | |
06b5626a | 4608 | const char * const f = ++s; |
784707d5 JP |
4609 | while (*s == '#') |
4610 | s++; | |
4611 | arg |= 256 + (s - f); | |
4612 | } | |
4613 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
4614 | *fpc++ = FF_0DECIMAL; | |
eb160463 | 4615 | *fpc++ = (U16)arg; |
a1b95068 | 4616 | unchopnum |= ! ischop; |
a0d0e21e LW |
4617 | } |
4618 | else { | |
4619 | I32 prespace = 0; | |
4620 | bool ismore = FALSE; | |
4621 | ||
4622 | if (*s == '>') { | |
4623 | while (*++s == '>') ; | |
4624 | prespace = FF_SPACE; | |
4625 | } | |
4626 | else if (*s == '|') { | |
4627 | while (*++s == '|') ; | |
4628 | prespace = FF_HALFSPACE; | |
4629 | postspace = TRUE; | |
4630 | } | |
4631 | else { | |
4632 | if (*s == '<') | |
4633 | while (*++s == '<') ; | |
4634 | postspace = TRUE; | |
4635 | } | |
4636 | if (*s == '.' && s[1] == '.' && s[2] == '.') { | |
4637 | s += 3; | |
4638 | ismore = TRUE; | |
4639 | } | |
4640 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
4641 | ||
4642 | *fpc++ = ischop ? FF_CHECKCHOP : FF_CHECKNL; | |
4643 | ||
4644 | if (prespace) | |
eb160463 | 4645 | *fpc++ = (U16)prespace; |
a0d0e21e LW |
4646 | *fpc++ = FF_ITEM; |
4647 | if (ismore) | |
4648 | *fpc++ = FF_MORE; | |
4649 | if (ischop) | |
4650 | *fpc++ = FF_CHOP; | |
4651 | } | |
4652 | base = s; | |
4653 | skipspaces = 0; | |
4654 | continue; | |
4655 | } | |
4656 | } | |
4657 | *fpc++ = FF_END; | |
4658 | ||
815f25c6 | 4659 | assert (fpc <= fops + maxops); /* ensure our buffer estimate was valid */ |
a0d0e21e LW |
4660 | arg = fpc - fops; |
4661 | { /* need to jump to the next word */ | |
4662 | int z; | |
4663 | z = WORD_ALIGN - SvCUR(sv) % WORD_ALIGN; | |
dea28490 | 4664 | SvGROW(sv, SvCUR(sv) + z + arg * sizeof(U32) + 4); |
a0d0e21e LW |
4665 | s = SvPVX(sv) + SvCUR(sv) + z; |
4666 | } | |
dea28490 | 4667 | Copy(fops, s, arg, U32); |
a0d0e21e | 4668 | Safefree(fops); |
c445ea15 | 4669 | sv_magic(sv, NULL, PERL_MAGIC_fm, NULL, 0); |
a0d0e21e | 4670 | SvCOMPILED_on(sv); |
a1b95068 | 4671 | |
bfed75c6 | 4672 | if (unchopnum && repeat) |
a1b95068 WL |
4673 | DIE(aTHX_ "Repeated format line will never terminate (~~ and @#)"); |
4674 | return 0; | |
4675 | } | |
4676 | ||
4677 | ||
4678 | STATIC bool | |
4679 | S_num_overflow(NV value, I32 fldsize, I32 frcsize) | |
4680 | { | |
4681 | /* Can value be printed in fldsize chars, using %*.*f ? */ | |
4682 | NV pwr = 1; | |
4683 | NV eps = 0.5; | |
4684 | bool res = FALSE; | |
4685 | int intsize = fldsize - (value < 0 ? 1 : 0); | |
4686 | ||
4687 | if (frcsize & 256) | |
4688 | intsize--; | |
4689 | frcsize &= 255; | |
4690 | intsize -= frcsize; | |
4691 | ||
4692 | while (intsize--) pwr *= 10.0; | |
4693 | while (frcsize--) eps /= 10.0; | |
4694 | ||
4695 | if( value >= 0 ){ | |
4696 | if (value + eps >= pwr) | |
4697 | res = TRUE; | |
4698 | } else { | |
4699 | if (value - eps <= -pwr) | |
4700 | res = TRUE; | |
4701 | } | |
4702 | return res; | |
a0d0e21e | 4703 | } |
4e35701f | 4704 | |
bbed91b5 | 4705 | static I32 |
0bd48802 | 4706 | S_run_user_filter(pTHX_ int idx, SV *buf_sv, int maxlen) |
bbed91b5 | 4707 | { |
27da23d5 | 4708 | dVAR; |
0bd48802 | 4709 | SV * const datasv = FILTER_DATA(idx); |
504618e9 | 4710 | const int filter_has_file = IoLINES(datasv); |
0bd48802 AL |
4711 | SV * const filter_state = (SV *)IoTOP_GV(datasv); |
4712 | SV * const filter_sub = (SV *)IoBOTTOM_GV(datasv); | |
941a98a0 | 4713 | int status = 0; |
ec0b63d7 | 4714 | SV *upstream; |
941a98a0 | 4715 | STRLEN got_len; |
95b63a38 | 4716 | const char *got_p = NULL; |
941a98a0 | 4717 | const char *prune_from = NULL; |
34113e50 | 4718 | bool read_from_cache = FALSE; |
bb7a0f54 MHM |
4719 | STRLEN umaxlen; |
4720 | ||
7918f24d NC |
4721 | PERL_ARGS_ASSERT_RUN_USER_FILTER; |
4722 | ||
bb7a0f54 MHM |
4723 | assert(maxlen >= 0); |
4724 | umaxlen = maxlen; | |
5675696b | 4725 | |
bbed91b5 KF |
4726 | /* I was having segfault trouble under Linux 2.2.5 after a |
4727 | parse error occured. (Had to hack around it with a test | |
13765c85 | 4728 | for PL_parser->error_count == 0.) Solaris doesn't segfault -- |
bbed91b5 KF |
4729 | not sure where the trouble is yet. XXX */ |
4730 | ||
941a98a0 | 4731 | if (IoFMT_GV(datasv)) { |
937b367d NC |
4732 | SV *const cache = (SV *)IoFMT_GV(datasv); |
4733 | if (SvOK(cache)) { | |
4734 | STRLEN cache_len; | |
4735 | const char *cache_p = SvPV(cache, cache_len); | |
941a98a0 NC |
4736 | STRLEN take = 0; |
4737 | ||
bb7a0f54 | 4738 | if (umaxlen) { |
941a98a0 NC |
4739 | /* Running in block mode and we have some cached data already. |
4740 | */ | |
bb7a0f54 | 4741 | if (cache_len >= umaxlen) { |
941a98a0 NC |
4742 | /* In fact, so much data we don't even need to call |
4743 | filter_read. */ | |
bb7a0f54 | 4744 | take = umaxlen; |
941a98a0 NC |
4745 | } |
4746 | } else { | |
10edeb5d JH |
4747 | const char *const first_nl = |
4748 | (const char *)memchr(cache_p, '\n', cache_len); | |
941a98a0 NC |
4749 | if (first_nl) { |
4750 | take = first_nl + 1 - cache_p; | |
4751 | } | |
4752 | } | |
4753 | if (take) { | |
4754 | sv_catpvn(buf_sv, cache_p, take); | |
4755 | sv_chop(cache, cache_p + take); | |
937b367d NC |
4756 | /* Definately not EOF */ |
4757 | return 1; | |
4758 | } | |
941a98a0 | 4759 | |
937b367d | 4760 | sv_catsv(buf_sv, cache); |
bb7a0f54 MHM |
4761 | if (umaxlen) { |
4762 | umaxlen -= cache_len; | |
941a98a0 | 4763 | } |
937b367d | 4764 | SvOK_off(cache); |
34113e50 | 4765 | read_from_cache = TRUE; |
937b367d NC |
4766 | } |
4767 | } | |
ec0b63d7 | 4768 | |
34113e50 NC |
4769 | /* Filter API says that the filter appends to the contents of the buffer. |
4770 | Usually the buffer is "", so the details don't matter. But if it's not, | |
4771 | then clearly what it contains is already filtered by this filter, so we | |
4772 | don't want to pass it in a second time. | |
4773 | I'm going to use a mortal in case the upstream filter croaks. */ | |
ec0b63d7 NC |
4774 | upstream = ((SvOK(buf_sv) && sv_len(buf_sv)) || SvGMAGICAL(buf_sv)) |
4775 | ? sv_newmortal() : buf_sv; | |
4776 | SvUPGRADE(upstream, SVt_PV); | |
937b367d | 4777 | |
bbed91b5 | 4778 | if (filter_has_file) { |
67e70b33 | 4779 | status = FILTER_READ(idx+1, upstream, 0); |
bbed91b5 KF |
4780 | } |
4781 | ||
34113e50 | 4782 | if (filter_sub && status >= 0) { |
39644a26 | 4783 | dSP; |
bbed91b5 KF |
4784 | int count; |
4785 | ||
4786 | ENTER; | |
4787 | SAVE_DEFSV; | |
4788 | SAVETMPS; | |
4789 | EXTEND(SP, 2); | |
4790 | ||
5675696b | 4791 | DEFSV = upstream; |
bbed91b5 | 4792 | PUSHMARK(SP); |
6e449a3a | 4793 | mPUSHi(0); |
bbed91b5 KF |
4794 | if (filter_state) { |
4795 | PUSHs(filter_state); | |
4796 | } | |
4797 | PUTBACK; | |
4798 | count = call_sv(filter_sub, G_SCALAR); | |
4799 | SPAGAIN; | |
4800 | ||
4801 | if (count > 0) { | |
4802 | SV *out = POPs; | |
4803 | if (SvOK(out)) { | |
941a98a0 | 4804 | status = SvIV(out); |
bbed91b5 KF |
4805 | } |
4806 | } | |
4807 | ||
4808 | PUTBACK; | |
4809 | FREETMPS; | |
4810 | LEAVE; | |
4811 | } | |
4812 | ||
941a98a0 NC |
4813 | if(SvOK(upstream)) { |
4814 | got_p = SvPV(upstream, got_len); | |
bb7a0f54 MHM |
4815 | if (umaxlen) { |
4816 | if (got_len > umaxlen) { | |
4817 | prune_from = got_p + umaxlen; | |
937b367d | 4818 | } |
941a98a0 | 4819 | } else { |
10edeb5d JH |
4820 | const char *const first_nl = |
4821 | (const char *)memchr(got_p, '\n', got_len); | |
941a98a0 NC |
4822 | if (first_nl && first_nl + 1 < got_p + got_len) { |
4823 | /* There's a second line here... */ | |
4824 | prune_from = first_nl + 1; | |
937b367d | 4825 | } |
937b367d NC |
4826 | } |
4827 | } | |
941a98a0 NC |
4828 | if (prune_from) { |
4829 | /* Oh. Too long. Stuff some in our cache. */ | |
4830 | STRLEN cached_len = got_p + got_len - prune_from; | |
4831 | SV *cache = (SV *)IoFMT_GV(datasv); | |
4832 | ||
4833 | if (!cache) { | |
bb7a0f54 | 4834 | IoFMT_GV(datasv) = (GV*) (cache = newSV(got_len - umaxlen)); |
941a98a0 NC |
4835 | } else if (SvOK(cache)) { |
4836 | /* Cache should be empty. */ | |
4837 | assert(!SvCUR(cache)); | |
4838 | } | |
4839 | ||
4840 | sv_setpvn(cache, prune_from, cached_len); | |
4841 | /* If you ask for block mode, you may well split UTF-8 characters. | |
4842 | "If it breaks, you get to keep both parts" | |
4843 | (Your code is broken if you don't put them back together again | |
4844 | before something notices.) */ | |
4845 | if (SvUTF8(upstream)) { | |
4846 | SvUTF8_on(cache); | |
4847 | } | |
4848 | SvCUR_set(upstream, got_len - cached_len); | |
4849 | /* Can't yet be EOF */ | |
4850 | if (status == 0) | |
4851 | status = 1; | |
4852 | } | |
937b367d | 4853 | |
34113e50 NC |
4854 | /* If they are at EOF but buf_sv has something in it, then they may never |
4855 | have touched the SV upstream, so it may be undefined. If we naively | |
4856 | concatenate it then we get a warning about use of uninitialised value. | |
4857 | */ | |
4858 | if (upstream != buf_sv && (SvOK(upstream) || SvGMAGICAL(upstream))) { | |
937b367d NC |
4859 | sv_catsv(buf_sv, upstream); |
4860 | } | |
4861 | ||
941a98a0 | 4862 | if (status <= 0) { |
bbed91b5 | 4863 | IoLINES(datasv) = 0; |
937b367d | 4864 | SvREFCNT_dec(IoFMT_GV(datasv)); |
bbed91b5 KF |
4865 | if (filter_state) { |
4866 | SvREFCNT_dec(filter_state); | |
a0714e2c | 4867 | IoTOP_GV(datasv) = NULL; |
bbed91b5 KF |
4868 | } |
4869 | if (filter_sub) { | |
4870 | SvREFCNT_dec(filter_sub); | |
a0714e2c | 4871 | IoBOTTOM_GV(datasv) = NULL; |
bbed91b5 | 4872 | } |
0bd48802 | 4873 | filter_del(S_run_user_filter); |
bbed91b5 | 4874 | } |
34113e50 NC |
4875 | if (status == 0 && read_from_cache) { |
4876 | /* If we read some data from the cache (and by getting here it implies | |
4877 | that we emptied the cache) then we aren't yet at EOF, and mustn't | |
4878 | report that to our caller. */ | |
4879 | return 1; | |
4880 | } | |
941a98a0 | 4881 | return status; |
bbed91b5 | 4882 | } |
84d4ea48 | 4883 | |
be4b629d CN |
4884 | /* perhaps someone can come up with a better name for |
4885 | this? it is not really "absolute", per se ... */ | |
cf42f822 | 4886 | static bool |
5f66b61c | 4887 | S_path_is_absolute(const char *name) |
be4b629d | 4888 | { |
7918f24d NC |
4889 | PERL_ARGS_ASSERT_PATH_IS_ABSOLUTE; |
4890 | ||
be4b629d CN |
4891 | if (PERL_FILE_IS_ABSOLUTE(name) |
4892 | #ifdef MACOS_TRADITIONAL | |
0bd48802 | 4893 | || (*name == ':') |
be4b629d CN |
4894 | #else |
4895 | || (*name == '.' && (name[1] == '/' || | |
0bd48802 | 4896 | (name[1] == '.' && name[2] == '/'))) |
be4b629d | 4897 | #endif |
0bd48802 | 4898 | ) |
be4b629d CN |
4899 | { |
4900 | return TRUE; | |
4901 | } | |
4902 | else | |
4903 | return FALSE; | |
4904 | } | |
241d1a3b NC |
4905 | |
4906 | /* | |
4907 | * Local variables: | |
4908 | * c-indentation-style: bsd | |
4909 | * c-basic-offset: 4 | |
4910 | * indent-tabs-mode: t | |
4911 | * End: | |
4912 | * | |
37442d52 RGS |
4913 | * ex: set ts=8 sts=4 sw=4 noet: |
4914 | */ |