Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* pp_ctl.c |
2 | * | |
4bb101f2 JH |
3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
4 | * 2000, 2001, 2002, 2003, by Larry Wall and others | |
a0d0e21e LW |
5 | * |
6 | * You may distribute under the terms of either the GNU General Public | |
7 | * License or the Artistic License, as specified in the README file. | |
8 | * | |
9 | */ | |
10 | ||
11 | /* | |
12 | * Now far ahead the Road has gone, | |
13 | * And I must follow, if I can, | |
14 | * Pursuing it with eager feet, | |
15 | * Until it joins some larger way | |
16 | * Where many paths and errands meet. | |
17 | * And whither then? I cannot say. | |
18 | */ | |
19 | ||
20 | #include "EXTERN.h" | |
864dbfa3 | 21 | #define PERL_IN_PP_CTL_C |
a0d0e21e LW |
22 | #include "perl.h" |
23 | ||
24 | #ifndef WORD_ALIGN | |
25 | #define WORD_ALIGN sizeof(U16) | |
26 | #endif | |
27 | ||
54310121 | 28 | #define DOCATCH(o) ((CATCH_GET == TRUE) ? docatch(o) : (o)) |
1e422769 | 29 | |
acfe0abc GS |
30 | static I32 run_user_filter(pTHX_ int idx, SV *buf_sv, int maxlen); |
31 | ||
a0d0e21e LW |
32 | PP(pp_wantarray) |
33 | { | |
39644a26 | 34 | dSP; |
a0d0e21e LW |
35 | I32 cxix; |
36 | EXTEND(SP, 1); | |
37 | ||
38 | cxix = dopoptosub(cxstack_ix); | |
39 | if (cxix < 0) | |
40 | RETPUSHUNDEF; | |
41 | ||
54310121 | 42 | switch (cxstack[cxix].blk_gimme) { |
43 | case G_ARRAY: | |
a0d0e21e | 44 | RETPUSHYES; |
54310121 | 45 | case G_SCALAR: |
a0d0e21e | 46 | RETPUSHNO; |
54310121 | 47 | default: |
48 | RETPUSHUNDEF; | |
49 | } | |
a0d0e21e LW |
50 | } |
51 | ||
52 | PP(pp_regcmaybe) | |
53 | { | |
54 | return NORMAL; | |
55 | } | |
56 | ||
2cd61cdb IZ |
57 | PP(pp_regcreset) |
58 | { | |
59 | /* XXXX Should store the old value to allow for tie/overload - and | |
60 | restore in regcomp, where marked with XXXX. */ | |
3280af22 | 61 | PL_reginterp_cnt = 0; |
2cd61cdb IZ |
62 | return NORMAL; |
63 | } | |
64 | ||
b3eb6a9b GS |
65 | PP(pp_regcomp) |
66 | { | |
39644a26 | 67 | dSP; |
a0d0e21e LW |
68 | register PMOP *pm = (PMOP*)cLOGOP->op_other; |
69 | register char *t; | |
70 | SV *tmpstr; | |
71 | STRLEN len; | |
c277df42 | 72 | MAGIC *mg = Null(MAGIC*); |
d6ae682c JH |
73 | |
74 | tmpstr = POPs; | |
513629ba | 75 | |
4b5a0d1c | 76 | /* prevent recompiling under /o and ithreads. */ |
3db8f154 | 77 | #if defined(USE_ITHREADS) |
4b5a0d1c JH |
78 | if (pm->op_pmflags & PMf_KEEP && PM_GETRE(pm)) |
79 | RETURN; | |
513629ba JH |
80 | #endif |
81 | ||
b3eb6a9b | 82 | if (SvROK(tmpstr)) { |
227a8b4b | 83 | SV *sv = SvRV(tmpstr); |
c277df42 | 84 | if(SvMAGICAL(sv)) |
14befaf4 | 85 | mg = mg_find(sv, PERL_MAGIC_qr); |
c277df42 | 86 | } |
b3eb6a9b | 87 | if (mg) { |
c277df42 | 88 | regexp *re = (regexp *)mg->mg_obj; |
aaa362c4 RS |
89 | ReREFCNT_dec(PM_GETRE(pm)); |
90 | PM_SETRE(pm, ReREFCNT_inc(re)); | |
c277df42 IZ |
91 | } |
92 | else { | |
93 | t = SvPV(tmpstr, len); | |
94 | ||
20408e3c | 95 | /* Check against the last compiled regexp. */ |
aaa362c4 | 96 | if (!PM_GETRE(pm) || !PM_GETRE(pm)->precomp || |
eb160463 | 97 | PM_GETRE(pm)->prelen != (I32)len || |
aaa362c4 | 98 | memNE(PM_GETRE(pm)->precomp, t, len)) |
85aff577 | 99 | { |
aaa362c4 | 100 | if (PM_GETRE(pm)) { |
d8f2cf8a | 101 | ReREFCNT_dec(PM_GETRE(pm)); |
aaa362c4 | 102 | PM_SETRE(pm, Null(REGEXP*)); /* crucial if regcomp aborts */ |
c277df42 | 103 | } |
533c011a | 104 | if (PL_op->op_flags & OPf_SPECIAL) |
3280af22 | 105 | PL_reginterp_cnt = I32_MAX; /* Mark as safe. */ |
a0d0e21e | 106 | |
c277df42 | 107 | pm->op_pmflags = pm->op_pmpermflags; /* reset case sensitivity */ |
84e09d5e JH |
108 | if (DO_UTF8(tmpstr)) |
109 | pm->op_pmdynflags |= PMdf_DYN_UTF8; | |
110 | else { | |
111 | pm->op_pmdynflags &= ~PMdf_DYN_UTF8; | |
112 | if (pm->op_pmdynflags & PMdf_UTF8) | |
113 | t = (char*)bytes_to_utf8((U8*)t, &len); | |
114 | } | |
aaa362c4 | 115 | PM_SETRE(pm, CALLREGCOMP(aTHX_ t, t + len, pm)); |
84e09d5e JH |
116 | if (!DO_UTF8(tmpstr) && (pm->op_pmdynflags & PMdf_UTF8)) |
117 | Safefree(t); | |
f86aaa29 | 118 | PL_reginterp_cnt = 0; /* XXXX Be extra paranoid - needed |
2cd61cdb | 119 | inside tie/overload accessors. */ |
c277df42 | 120 | } |
4633a7c4 | 121 | } |
a0d0e21e | 122 | |
72311751 | 123 | #ifndef INCOMPLETE_TAINTS |
3280af22 NIS |
124 | if (PL_tainting) { |
125 | if (PL_tainted) | |
72311751 GS |
126 | pm->op_pmdynflags |= PMdf_TAINTED; |
127 | else | |
128 | pm->op_pmdynflags &= ~PMdf_TAINTED; | |
129 | } | |
130 | #endif | |
131 | ||
aaa362c4 | 132 | if (!PM_GETRE(pm)->prelen && PL_curpm) |
3280af22 | 133 | pm = PL_curpm; |
17cbf7cc AMS |
134 | else if (strEQ("\\s+", PM_GETRE(pm)->precomp)) |
135 | pm->op_pmflags |= PMf_WHITE; | |
16bdb4ac | 136 | else |
17cbf7cc | 137 | pm->op_pmflags &= ~PMf_WHITE; |
a0d0e21e | 138 | |
2360cd68 | 139 | /* XXX runtime compiled output needs to move to the pad */ |
a0d0e21e | 140 | if (pm->op_pmflags & PMf_KEEP) { |
c90c0ff4 | 141 | pm->op_private &= ~OPpRUNTIME; /* no point compiling again */ |
3db8f154 | 142 | #if !defined(USE_ITHREADS) |
2360cd68 | 143 | /* XXX can't change the optree at runtime either */ |
533c011a | 144 | cLOGOP->op_first->op_next = PL_op->op_next; |
2360cd68 | 145 | #endif |
a0d0e21e LW |
146 | } |
147 | RETURN; | |
148 | } | |
149 | ||
150 | PP(pp_substcont) | |
151 | { | |
39644a26 | 152 | dSP; |
a0d0e21e | 153 | register PMOP *pm = (PMOP*) cLOGOP->op_other; |
c09156bb | 154 | register PERL_CONTEXT *cx = &cxstack[cxstack_ix]; |
a0d0e21e LW |
155 | register SV *dstr = cx->sb_dstr; |
156 | register char *s = cx->sb_s; | |
157 | register char *m = cx->sb_m; | |
158 | char *orig = cx->sb_orig; | |
d9f97599 | 159 | register REGEXP *rx = cx->sb_rx; |
db79b45b | 160 | SV *nsv = Nullsv; |
9041c2e3 | 161 | |
d8f2cf8a AB |
162 | { |
163 | REGEXP *old = PM_GETRE(pm); | |
164 | if(old != rx) { | |
165 | if(old) | |
166 | ReREFCNT_dec(old); | |
167 | PM_SETRE(pm,rx); | |
168 | } | |
169 | } | |
170 | ||
d9f97599 | 171 | rxres_restore(&cx->sb_rxres, rx); |
a30b2f1f | 172 | RX_MATCH_UTF8_set(rx, SvUTF8(cx->sb_targ)); |
c90c0ff4 | 173 | |
a0d0e21e | 174 | if (cx->sb_iters++) { |
8e5e9ebe | 175 | I32 saviters = cx->sb_iters; |
a0d0e21e | 176 | if (cx->sb_iters > cx->sb_maxiters) |
cea2e8a9 | 177 | DIE(aTHX_ "Substitution loop"); |
a0d0e21e | 178 | |
48c036b1 GS |
179 | if (!(cx->sb_rxtainted & 2) && SvTAINTED(TOPs)) |
180 | cx->sb_rxtainted |= 2; | |
a0d0e21e | 181 | sv_catsv(dstr, POPs); |
a0d0e21e LW |
182 | |
183 | /* Are we done */ | |
cea2e8a9 | 184 | if (cx->sb_once || !CALLREGEXEC(aTHX_ rx, s, cx->sb_strend, orig, |
9661b544 | 185 | s == m, cx->sb_targ, NULL, |
22e551b9 | 186 | ((cx->sb_rflags & REXEC_COPY_STR) |
cf93c79d IZ |
187 | ? (REXEC_IGNOREPOS|REXEC_NOT_FIRST) |
188 | : (REXEC_COPY_STR|REXEC_IGNOREPOS|REXEC_NOT_FIRST)))) | |
a0d0e21e LW |
189 | { |
190 | SV *targ = cx->sb_targ; | |
748a9306 | 191 | |
db79b45b JH |
192 | if (DO_UTF8(dstr) && !SvUTF8(targ)) |
193 | sv_catpvn_utf8_upgrade(dstr, s, cx->sb_strend - s, nsv); | |
194 | else | |
195 | sv_catpvn(dstr, s, cx->sb_strend - s); | |
48c036b1 | 196 | cx->sb_rxtainted |= RX_MATCH_TAINTED(rx); |
9212bbba | 197 | |
ed252734 NC |
198 | #ifdef PERL_COPY_ON_WRITE |
199 | if (SvIsCOW(targ)) { | |
200 | sv_force_normal_flags(targ, SV_COW_DROP_PV); | |
201 | } else | |
202 | #endif | |
203 | { | |
204 | (void)SvOOK_off(targ); | |
205 | if (SvLEN(targ)) | |
206 | Safefree(SvPVX(targ)); | |
207 | } | |
748a9306 LW |
208 | SvPVX(targ) = SvPVX(dstr); |
209 | SvCUR_set(targ, SvCUR(dstr)); | |
210 | SvLEN_set(targ, SvLEN(dstr)); | |
1aa99e6b IH |
211 | if (DO_UTF8(dstr)) |
212 | SvUTF8_on(targ); | |
748a9306 LW |
213 | SvPVX(dstr) = 0; |
214 | sv_free(dstr); | |
48c036b1 GS |
215 | |
216 | TAINT_IF(cx->sb_rxtainted & 1); | |
22e13caa | 217 | PUSHs(sv_2mortal(newSViv(saviters - 1))); |
48c036b1 | 218 | |
ffc61ed2 | 219 | (void)SvPOK_only_UTF8(targ); |
48c036b1 | 220 | TAINT_IF(cx->sb_rxtainted); |
a0d0e21e | 221 | SvSETMAGIC(targ); |
9212bbba | 222 | SvTAINT(targ); |
5cd24f17 | 223 | |
4633a7c4 | 224 | LEAVE_SCOPE(cx->sb_oldsave); |
d8f2cf8a | 225 | ReREFCNT_dec(rx); |
a0d0e21e LW |
226 | POPSUBST(cx); |
227 | RETURNOP(pm->op_next); | |
228 | } | |
8e5e9ebe | 229 | cx->sb_iters = saviters; |
a0d0e21e | 230 | } |
cf93c79d | 231 | if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) { |
a0d0e21e LW |
232 | m = s; |
233 | s = orig; | |
cf93c79d | 234 | cx->sb_orig = orig = rx->subbeg; |
a0d0e21e LW |
235 | s = orig + (m - s); |
236 | cx->sb_strend = s + (cx->sb_strend - m); | |
237 | } | |
cf93c79d | 238 | cx->sb_m = m = rx->startp[0] + orig; |
db79b45b JH |
239 | if (m > s) { |
240 | if (DO_UTF8(dstr) && !SvUTF8(cx->sb_targ)) | |
241 | sv_catpvn_utf8_upgrade(dstr, s, m - s, nsv); | |
242 | else | |
243 | sv_catpvn(dstr, s, m-s); | |
244 | } | |
cf93c79d | 245 | cx->sb_s = rx->endp[0] + orig; |
084916e3 JH |
246 | { /* Update the pos() information. */ |
247 | SV *sv = cx->sb_targ; | |
248 | MAGIC *mg; | |
249 | I32 i; | |
250 | if (SvTYPE(sv) < SVt_PVMG) | |
9cbac4c7 | 251 | (void)SvUPGRADE(sv, SVt_PVMG); |
14befaf4 DM |
252 | if (!(mg = mg_find(sv, PERL_MAGIC_regex_global))) { |
253 | sv_magic(sv, Nullsv, PERL_MAGIC_regex_global, Nullch, 0); | |
254 | mg = mg_find(sv, PERL_MAGIC_regex_global); | |
084916e3 JH |
255 | } |
256 | i = m - orig; | |
257 | if (DO_UTF8(sv)) | |
258 | sv_pos_b2u(sv, &i); | |
259 | mg->mg_len = i; | |
260 | } | |
d8f2cf8a | 261 | ReREFCNT_inc(rx); |
d9f97599 GS |
262 | cx->sb_rxtainted |= RX_MATCH_TAINTED(rx); |
263 | rxres_save(&cx->sb_rxres, rx); | |
a0d0e21e LW |
264 | RETURNOP(pm->op_pmreplstart); |
265 | } | |
266 | ||
c90c0ff4 | 267 | void |
864dbfa3 | 268 | Perl_rxres_save(pTHX_ void **rsp, REGEXP *rx) |
c90c0ff4 | 269 | { |
270 | UV *p = (UV*)*rsp; | |
271 | U32 i; | |
272 | ||
d9f97599 | 273 | if (!p || p[1] < rx->nparens) { |
ed252734 NC |
274 | #ifdef PERL_COPY_ON_WRITE |
275 | i = 7 + rx->nparens * 2; | |
276 | #else | |
d9f97599 | 277 | i = 6 + rx->nparens * 2; |
ed252734 | 278 | #endif |
c90c0ff4 | 279 | if (!p) |
280 | New(501, p, i, UV); | |
281 | else | |
282 | Renew(p, i, UV); | |
283 | *rsp = (void*)p; | |
284 | } | |
285 | ||
56431972 | 286 | *p++ = PTR2UV(RX_MATCH_COPIED(rx) ? rx->subbeg : Nullch); |
cf93c79d | 287 | RX_MATCH_COPIED_off(rx); |
c90c0ff4 | 288 | |
ed252734 NC |
289 | #ifdef PERL_COPY_ON_WRITE |
290 | *p++ = PTR2UV(rx->saved_copy); | |
291 | rx->saved_copy = Nullsv; | |
292 | #endif | |
293 | ||
d9f97599 | 294 | *p++ = rx->nparens; |
c90c0ff4 | 295 | |
56431972 | 296 | *p++ = PTR2UV(rx->subbeg); |
cf93c79d | 297 | *p++ = (UV)rx->sublen; |
d9f97599 GS |
298 | for (i = 0; i <= rx->nparens; ++i) { |
299 | *p++ = (UV)rx->startp[i]; | |
300 | *p++ = (UV)rx->endp[i]; | |
c90c0ff4 | 301 | } |
302 | } | |
303 | ||
304 | void | |
864dbfa3 | 305 | Perl_rxres_restore(pTHX_ void **rsp, REGEXP *rx) |
c90c0ff4 | 306 | { |
307 | UV *p = (UV*)*rsp; | |
308 | U32 i; | |
309 | ||
ed252734 | 310 | RX_MATCH_COPY_FREE(rx); |
cf93c79d | 311 | RX_MATCH_COPIED_set(rx, *p); |
c90c0ff4 | 312 | *p++ = 0; |
313 | ||
ed252734 NC |
314 | #ifdef PERL_COPY_ON_WRITE |
315 | if (rx->saved_copy) | |
316 | SvREFCNT_dec (rx->saved_copy); | |
317 | rx->saved_copy = INT2PTR(SV*,*p); | |
318 | *p++ = 0; | |
319 | #endif | |
320 | ||
d9f97599 | 321 | rx->nparens = *p++; |
c90c0ff4 | 322 | |
56431972 | 323 | rx->subbeg = INT2PTR(char*,*p++); |
cf93c79d | 324 | rx->sublen = (I32)(*p++); |
d9f97599 | 325 | for (i = 0; i <= rx->nparens; ++i) { |
cf93c79d IZ |
326 | rx->startp[i] = (I32)(*p++); |
327 | rx->endp[i] = (I32)(*p++); | |
c90c0ff4 | 328 | } |
329 | } | |
330 | ||
331 | void | |
864dbfa3 | 332 | Perl_rxres_free(pTHX_ void **rsp) |
c90c0ff4 | 333 | { |
334 | UV *p = (UV*)*rsp; | |
335 | ||
336 | if (p) { | |
56431972 | 337 | Safefree(INT2PTR(char*,*p)); |
ed252734 NC |
338 | #ifdef PERL_COPY_ON_WRITE |
339 | if (p[1]) { | |
340 | SvREFCNT_dec (INT2PTR(SV*,p[1])); | |
341 | } | |
342 | #endif | |
c90c0ff4 | 343 | Safefree(p); |
344 | *rsp = Null(void*); | |
345 | } | |
346 | } | |
347 | ||
a0d0e21e LW |
348 | PP(pp_formline) |
349 | { | |
39644a26 | 350 | dSP; dMARK; dORIGMARK; |
76e3520e | 351 | register SV *tmpForm = *++MARK; |
a0d0e21e LW |
352 | register U16 *fpc; |
353 | register char *t; | |
354 | register char *f; | |
355 | register char *s; | |
356 | register char *send; | |
357 | register I32 arg; | |
9c5ffd7c JH |
358 | register SV *sv = Nullsv; |
359 | char *item = Nullch; | |
360 | I32 itemsize = 0; | |
361 | I32 fieldsize = 0; | |
a0d0e21e | 362 | I32 lines = 0; |
3280af22 | 363 | bool chopspace = (strchr(PL_chopset, ' ') != Nullch); |
9c5ffd7c JH |
364 | char *chophere = Nullch; |
365 | char *linemark = Nullch; | |
65202027 | 366 | NV value; |
9c5ffd7c | 367 | bool gotsome = FALSE; |
a0d0e21e | 368 | STRLEN len; |
0064a8a9 | 369 | STRLEN fudge = SvCUR(tmpForm) * (IN_BYTES ? 1 : 3) + 1; |
1bd51a4c IH |
370 | bool item_is_utf8 = FALSE; |
371 | bool targ_is_utf8 = FALSE; | |
78da4d13 | 372 | SV * nsv = Nullsv; |
a0d0e21e | 373 | |
76e3520e | 374 | if (!SvMAGICAL(tmpForm) || !SvCOMPILED(tmpForm)) { |
445b3f51 GS |
375 | if (SvREADONLY(tmpForm)) { |
376 | SvREADONLY_off(tmpForm); | |
377 | doparseform(tmpForm); | |
378 | SvREADONLY_on(tmpForm); | |
379 | } | |
380 | else | |
381 | doparseform(tmpForm); | |
a0d0e21e | 382 | } |
3280af22 | 383 | SvPV_force(PL_formtarget, len); |
1bd51a4c IH |
384 | if (DO_UTF8(PL_formtarget)) |
385 | targ_is_utf8 = TRUE; | |
a0ed51b3 | 386 | t = SvGROW(PL_formtarget, len + fudge + 1); /* XXX SvCUR bad */ |
a0d0e21e | 387 | t += len; |
76e3520e | 388 | f = SvPV(tmpForm, len); |
a0d0e21e | 389 | /* need to jump to the next word */ |
76e3520e | 390 | s = f + len + WORD_ALIGN - SvCUR(tmpForm) % WORD_ALIGN; |
a0d0e21e LW |
391 | |
392 | fpc = (U16*)s; | |
393 | ||
394 | for (;;) { | |
395 | DEBUG_f( { | |
396 | char *name = "???"; | |
397 | arg = -1; | |
398 | switch (*fpc) { | |
399 | case FF_LITERAL: arg = fpc[1]; name = "LITERAL"; break; | |
400 | case FF_BLANK: arg = fpc[1]; name = "BLANK"; break; | |
401 | case FF_SKIP: arg = fpc[1]; name = "SKIP"; break; | |
402 | case FF_FETCH: arg = fpc[1]; name = "FETCH"; break; | |
403 | case FF_DECIMAL: arg = fpc[1]; name = "DECIMAL"; break; | |
404 | ||
405 | case FF_CHECKNL: name = "CHECKNL"; break; | |
406 | case FF_CHECKCHOP: name = "CHECKCHOP"; break; | |
407 | case FF_SPACE: name = "SPACE"; break; | |
408 | case FF_HALFSPACE: name = "HALFSPACE"; break; | |
409 | case FF_ITEM: name = "ITEM"; break; | |
410 | case FF_CHOP: name = "CHOP"; break; | |
411 | case FF_LINEGLOB: name = "LINEGLOB"; break; | |
412 | case FF_NEWLINE: name = "NEWLINE"; break; | |
413 | case FF_MORE: name = "MORE"; break; | |
414 | case FF_LINEMARK: name = "LINEMARK"; break; | |
415 | case FF_END: name = "END"; break; | |
784707d5 | 416 | case FF_0DECIMAL: name = "0DECIMAL"; break; |
a0d0e21e LW |
417 | } |
418 | if (arg >= 0) | |
bf49b057 | 419 | PerlIO_printf(Perl_debug_log, "%-16s%ld\n", name, (long) arg); |
a0d0e21e | 420 | else |
bf49b057 | 421 | PerlIO_printf(Perl_debug_log, "%-16s\n", name); |
5f80b19c | 422 | } ); |
a0d0e21e LW |
423 | switch (*fpc++) { |
424 | case FF_LINEMARK: | |
425 | linemark = t; | |
a0d0e21e LW |
426 | lines++; |
427 | gotsome = FALSE; | |
428 | break; | |
429 | ||
430 | case FF_LITERAL: | |
431 | arg = *fpc++; | |
1bd51a4c | 432 | if (targ_is_utf8 && !SvUTF8(tmpForm)) { |
78da4d13 JH |
433 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); |
434 | *t = '\0'; | |
435 | sv_catpvn_utf8_upgrade(PL_formtarget, f, arg, nsv); | |
436 | t = SvEND(PL_formtarget); | |
1bd51a4c IH |
437 | break; |
438 | } | |
439 | if (!targ_is_utf8 && DO_UTF8(tmpForm)) { | |
440 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); | |
441 | *t = '\0'; | |
442 | sv_utf8_upgrade(PL_formtarget); | |
443 | SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1); | |
444 | t = SvEND(PL_formtarget); | |
445 | targ_is_utf8 = TRUE; | |
446 | } | |
a0d0e21e LW |
447 | while (arg--) |
448 | *t++ = *f++; | |
449 | break; | |
450 | ||
451 | case FF_SKIP: | |
452 | f += *fpc++; | |
453 | break; | |
454 | ||
455 | case FF_FETCH: | |
456 | arg = *fpc++; | |
457 | f += arg; | |
458 | fieldsize = arg; | |
459 | ||
460 | if (MARK < SP) | |
461 | sv = *++MARK; | |
462 | else { | |
3280af22 | 463 | sv = &PL_sv_no; |
599cee73 | 464 | if (ckWARN(WARN_SYNTAX)) |
9014280d | 465 | Perl_warner(aTHX_ packWARN(WARN_SYNTAX), "Not enough format arguments"); |
a0d0e21e LW |
466 | } |
467 | break; | |
468 | ||
469 | case FF_CHECKNL: | |
470 | item = s = SvPV(sv, len); | |
471 | itemsize = len; | |
7e2040f0 | 472 | if (DO_UTF8(sv)) { |
a0ed51b3 | 473 | itemsize = sv_len_utf8(sv); |
eb160463 | 474 | if (itemsize != (I32)len) { |
a0ed51b3 LW |
475 | I32 itembytes; |
476 | if (itemsize > fieldsize) { | |
477 | itemsize = fieldsize; | |
478 | itembytes = itemsize; | |
479 | sv_pos_u2b(sv, &itembytes, 0); | |
480 | } | |
481 | else | |
482 | itembytes = len; | |
483 | send = chophere = s + itembytes; | |
484 | while (s < send) { | |
485 | if (*s & ~31) | |
486 | gotsome = TRUE; | |
487 | else if (*s == '\n') | |
488 | break; | |
489 | s++; | |
490 | } | |
1bd51a4c | 491 | item_is_utf8 = TRUE; |
a0ed51b3 LW |
492 | itemsize = s - item; |
493 | sv_pos_b2u(sv, &itemsize); | |
494 | break; | |
495 | } | |
496 | } | |
1bd51a4c | 497 | item_is_utf8 = FALSE; |
a0d0e21e LW |
498 | if (itemsize > fieldsize) |
499 | itemsize = fieldsize; | |
500 | send = chophere = s + itemsize; | |
501 | while (s < send) { | |
502 | if (*s & ~31) | |
503 | gotsome = TRUE; | |
504 | else if (*s == '\n') | |
505 | break; | |
506 | s++; | |
507 | } | |
508 | itemsize = s - item; | |
509 | break; | |
510 | ||
511 | case FF_CHECKCHOP: | |
512 | item = s = SvPV(sv, len); | |
513 | itemsize = len; | |
7e2040f0 | 514 | if (DO_UTF8(sv)) { |
a0ed51b3 | 515 | itemsize = sv_len_utf8(sv); |
eb160463 | 516 | if (itemsize != (I32)len) { |
a0ed51b3 LW |
517 | I32 itembytes; |
518 | if (itemsize <= fieldsize) { | |
519 | send = chophere = s + itemsize; | |
520 | while (s < send) { | |
521 | if (*s == '\r') { | |
522 | itemsize = s - item; | |
523 | break; | |
524 | } | |
525 | if (*s++ & ~31) | |
526 | gotsome = TRUE; | |
527 | } | |
528 | } | |
529 | else { | |
530 | itemsize = fieldsize; | |
531 | itembytes = itemsize; | |
532 | sv_pos_u2b(sv, &itembytes, 0); | |
533 | send = chophere = s + itembytes; | |
534 | while (s < send || (s == send && isSPACE(*s))) { | |
535 | if (isSPACE(*s)) { | |
536 | if (chopspace) | |
537 | chophere = s; | |
538 | if (*s == '\r') | |
539 | break; | |
540 | } | |
541 | else { | |
542 | if (*s & ~31) | |
543 | gotsome = TRUE; | |
544 | if (strchr(PL_chopset, *s)) | |
545 | chophere = s + 1; | |
546 | } | |
547 | s++; | |
548 | } | |
549 | itemsize = chophere - item; | |
550 | sv_pos_b2u(sv, &itemsize); | |
551 | } | |
1bd51a4c | 552 | item_is_utf8 = TRUE; |
a0ed51b3 LW |
553 | break; |
554 | } | |
555 | } | |
1bd51a4c | 556 | item_is_utf8 = FALSE; |
a0d0e21e LW |
557 | if (itemsize <= fieldsize) { |
558 | send = chophere = s + itemsize; | |
559 | while (s < send) { | |
560 | if (*s == '\r') { | |
561 | itemsize = s - item; | |
562 | break; | |
563 | } | |
564 | if (*s++ & ~31) | |
565 | gotsome = TRUE; | |
566 | } | |
567 | } | |
568 | else { | |
569 | itemsize = fieldsize; | |
570 | send = chophere = s + itemsize; | |
571 | while (s < send || (s == send && isSPACE(*s))) { | |
572 | if (isSPACE(*s)) { | |
573 | if (chopspace) | |
574 | chophere = s; | |
575 | if (*s == '\r') | |
576 | break; | |
577 | } | |
578 | else { | |
579 | if (*s & ~31) | |
580 | gotsome = TRUE; | |
3280af22 | 581 | if (strchr(PL_chopset, *s)) |
a0d0e21e LW |
582 | chophere = s + 1; |
583 | } | |
584 | s++; | |
585 | } | |
586 | itemsize = chophere - item; | |
587 | } | |
588 | break; | |
589 | ||
590 | case FF_SPACE: | |
591 | arg = fieldsize - itemsize; | |
592 | if (arg) { | |
593 | fieldsize -= arg; | |
594 | while (arg-- > 0) | |
595 | *t++ = ' '; | |
596 | } | |
597 | break; | |
598 | ||
599 | case FF_HALFSPACE: | |
600 | arg = fieldsize - itemsize; | |
601 | if (arg) { | |
602 | arg /= 2; | |
603 | fieldsize -= arg; | |
604 | while (arg-- > 0) | |
605 | *t++ = ' '; | |
606 | } | |
607 | break; | |
608 | ||
609 | case FF_ITEM: | |
610 | arg = itemsize; | |
611 | s = item; | |
1bd51a4c IH |
612 | if (item_is_utf8) { |
613 | if (!targ_is_utf8) { | |
614 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); | |
615 | *t = '\0'; | |
616 | sv_utf8_upgrade(PL_formtarget); | |
617 | SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1); | |
618 | t = SvEND(PL_formtarget); | |
619 | targ_is_utf8 = TRUE; | |
620 | } | |
a0ed51b3 | 621 | while (arg--) { |
fd400ab9 | 622 | if (UTF8_IS_CONTINUED(*s)) { |
63cd0674 NIS |
623 | STRLEN skip = UTF8SKIP(s); |
624 | switch (skip) { | |
625 | default: | |
626 | Move(s,t,skip,char); | |
627 | s += skip; | |
628 | t += skip; | |
629 | break; | |
a0ed51b3 LW |
630 | case 7: *t++ = *s++; |
631 | case 6: *t++ = *s++; | |
632 | case 5: *t++ = *s++; | |
633 | case 4: *t++ = *s++; | |
634 | case 3: *t++ = *s++; | |
635 | case 2: *t++ = *s++; | |
636 | case 1: *t++ = *s++; | |
637 | } | |
638 | } | |
639 | else { | |
640 | if ( !((*t++ = *s++) & ~31) ) | |
641 | t[-1] = ' '; | |
642 | } | |
643 | } | |
644 | break; | |
645 | } | |
78da4d13 JH |
646 | if (targ_is_utf8 && !item_is_utf8) { |
647 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); | |
648 | *t = '\0'; | |
649 | sv_catpvn_utf8_upgrade(PL_formtarget, s, arg, nsv); | |
650 | for (; t < SvEND(PL_formtarget); t++) { | |
651 | #ifdef EBCDIC | |
652 | int ch = *t++ = *s++; | |
653 | if (iscntrl(ch)) | |
654 | #else | |
655 | if (!(*t & ~31)) | |
656 | #endif | |
657 | *t = ' '; | |
658 | } | |
659 | break; | |
660 | } | |
a0d0e21e | 661 | while (arg--) { |
9d116dd7 | 662 | #ifdef EBCDIC |
a0d0e21e | 663 | int ch = *t++ = *s++; |
9d116dd7 | 664 | if (iscntrl(ch)) |
a0d0e21e LW |
665 | #else |
666 | if ( !((*t++ = *s++) & ~31) ) | |
a0d0e21e | 667 | #endif |
9d116dd7 | 668 | t[-1] = ' '; |
a0d0e21e LW |
669 | } |
670 | break; | |
671 | ||
672 | case FF_CHOP: | |
673 | s = chophere; | |
674 | if (chopspace) { | |
675 | while (*s && isSPACE(*s)) | |
676 | s++; | |
677 | } | |
678 | sv_chop(sv,s); | |
679 | break; | |
680 | ||
681 | case FF_LINEGLOB: | |
682 | item = s = SvPV(sv, len); | |
683 | itemsize = len; | |
1bd51a4c IH |
684 | if ((item_is_utf8 = DO_UTF8(sv))) |
685 | itemsize = sv_len_utf8(sv); | |
a0d0e21e | 686 | if (itemsize) { |
1bd51a4c | 687 | bool chopped = FALSE; |
a0d0e21e | 688 | gotsome = TRUE; |
1bd51a4c | 689 | send = s + len; |
a0d0e21e LW |
690 | while (s < send) { |
691 | if (*s++ == '\n') { | |
1bd51a4c | 692 | if (s == send) { |
a0d0e21e | 693 | itemsize--; |
1bd51a4c IH |
694 | chopped = TRUE; |
695 | } | |
a0d0e21e LW |
696 | else |
697 | lines++; | |
698 | } | |
699 | } | |
3280af22 | 700 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); |
1bd51a4c IH |
701 | if (targ_is_utf8) |
702 | SvUTF8_on(PL_formtarget); | |
703 | sv_catsv(PL_formtarget, sv); | |
704 | if (chopped) | |
705 | SvCUR_set(PL_formtarget, SvCUR(PL_formtarget) - 1); | |
a0ed51b3 | 706 | SvGROW(PL_formtarget, SvCUR(PL_formtarget) + fudge + 1); |
3280af22 | 707 | t = SvPVX(PL_formtarget) + SvCUR(PL_formtarget); |
1bd51a4c IH |
708 | if (item_is_utf8) |
709 | targ_is_utf8 = TRUE; | |
a0d0e21e LW |
710 | } |
711 | break; | |
712 | ||
713 | case FF_DECIMAL: | |
714 | /* If the field is marked with ^ and the value is undefined, | |
715 | blank it out. */ | |
716 | arg = *fpc++; | |
717 | if ((arg & 512) && !SvOK(sv)) { | |
718 | arg = fieldsize; | |
719 | while (arg--) | |
720 | *t++ = ' '; | |
721 | break; | |
722 | } | |
723 | gotsome = TRUE; | |
724 | value = SvNV(sv); | |
bbce6d69 | 725 | /* Formats aren't yet marked for locales, so assume "yes". */ |
097ee67d | 726 | { |
f93f4e46 | 727 | STORE_NUMERIC_STANDARD_SET_LOCAL(); |
65202027 DS |
728 | #if defined(USE_LONG_DOUBLE) |
729 | if (arg & 256) { | |
cf2093f6 | 730 | sprintf(t, "%#*.*" PERL_PRIfldbl, |
65202027 DS |
731 | (int) fieldsize, (int) arg & 255, value); |
732 | } else { | |
cf2093f6 | 733 | sprintf(t, "%*.0" PERL_PRIfldbl, (int) fieldsize, value); |
65202027 DS |
734 | } |
735 | #else | |
097ee67d JH |
736 | if (arg & 256) { |
737 | sprintf(t, "%#*.*f", | |
738 | (int) fieldsize, (int) arg & 255, value); | |
739 | } else { | |
740 | sprintf(t, "%*.0f", | |
741 | (int) fieldsize, value); | |
742 | } | |
65202027 | 743 | #endif |
097ee67d | 744 | RESTORE_NUMERIC_STANDARD(); |
a0d0e21e LW |
745 | } |
746 | t += fieldsize; | |
747 | break; | |
748 | ||
784707d5 JP |
749 | case FF_0DECIMAL: |
750 | /* If the field is marked with ^ and the value is undefined, | |
751 | blank it out. */ | |
752 | arg = *fpc++; | |
753 | if ((arg & 512) && !SvOK(sv)) { | |
754 | arg = fieldsize; | |
755 | while (arg--) | |
756 | *t++ = ' '; | |
757 | break; | |
758 | } | |
759 | gotsome = TRUE; | |
760 | value = SvNV(sv); | |
761 | /* Formats aren't yet marked for locales, so assume "yes". */ | |
762 | { | |
763 | STORE_NUMERIC_STANDARD_SET_LOCAL(); | |
764 | #if defined(USE_LONG_DOUBLE) | |
765 | if (arg & 256) { | |
766 | sprintf(t, "%#0*.*" PERL_PRIfldbl, | |
ac27b0f5 NIS |
767 | (int) fieldsize, (int) arg & 255, value); |
768 | /* is this legal? I don't have long doubles */ | |
784707d5 JP |
769 | } else { |
770 | sprintf(t, "%0*.0" PERL_PRIfldbl, (int) fieldsize, value); | |
771 | } | |
772 | #else | |
773 | if (arg & 256) { | |
774 | sprintf(t, "%#0*.*f", | |
775 | (int) fieldsize, (int) arg & 255, value); | |
776 | } else { | |
777 | sprintf(t, "%0*.0f", | |
778 | (int) fieldsize, value); | |
779 | } | |
780 | #endif | |
781 | RESTORE_NUMERIC_STANDARD(); | |
782 | } | |
783 | t += fieldsize; | |
784 | break; | |
ac27b0f5 | 785 | |
a0d0e21e LW |
786 | case FF_NEWLINE: |
787 | f++; | |
788 | while (t-- > linemark && *t == ' ') ; | |
789 | t++; | |
790 | *t++ = '\n'; | |
791 | break; | |
792 | ||
793 | case FF_BLANK: | |
794 | arg = *fpc++; | |
795 | if (gotsome) { | |
796 | if (arg) { /* repeat until fields exhausted? */ | |
797 | *t = '\0'; | |
3280af22 NIS |
798 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); |
799 | lines += FmLINES(PL_formtarget); | |
a0d0e21e LW |
800 | if (lines == 200) { |
801 | arg = t - linemark; | |
802 | if (strnEQ(linemark, linemark - arg, arg)) | |
cea2e8a9 | 803 | DIE(aTHX_ "Runaway format"); |
a0d0e21e | 804 | } |
1bd51a4c IH |
805 | if (targ_is_utf8) |
806 | SvUTF8_on(PL_formtarget); | |
3280af22 | 807 | FmLINES(PL_formtarget) = lines; |
a0d0e21e LW |
808 | SP = ORIGMARK; |
809 | RETURNOP(cLISTOP->op_first); | |
810 | } | |
811 | } | |
812 | else { | |
813 | t = linemark; | |
814 | lines--; | |
815 | } | |
816 | break; | |
817 | ||
818 | case FF_MORE: | |
7056ecde KM |
819 | s = chophere; |
820 | send = item + len; | |
821 | if (chopspace) { | |
822 | while (*s && isSPACE(*s) && s < send) | |
823 | s++; | |
824 | } | |
825 | if (s < send) { | |
a0d0e21e LW |
826 | arg = fieldsize - itemsize; |
827 | if (arg) { | |
828 | fieldsize -= arg; | |
829 | while (arg-- > 0) | |
830 | *t++ = ' '; | |
831 | } | |
832 | s = t - 3; | |
833 | if (strnEQ(s," ",3)) { | |
3280af22 | 834 | while (s > SvPVX(PL_formtarget) && isSPACE(s[-1])) |
a0d0e21e LW |
835 | s--; |
836 | } | |
837 | *s++ = '.'; | |
838 | *s++ = '.'; | |
839 | *s++ = '.'; | |
840 | } | |
841 | break; | |
842 | ||
843 | case FF_END: | |
844 | *t = '\0'; | |
3280af22 | 845 | SvCUR_set(PL_formtarget, t - SvPVX(PL_formtarget)); |
1bd51a4c IH |
846 | if (targ_is_utf8) |
847 | SvUTF8_on(PL_formtarget); | |
3280af22 | 848 | FmLINES(PL_formtarget) += lines; |
a0d0e21e LW |
849 | SP = ORIGMARK; |
850 | RETPUSHYES; | |
851 | } | |
852 | } | |
853 | } | |
854 | ||
855 | PP(pp_grepstart) | |
856 | { | |
39644a26 | 857 | dSP; |
a0d0e21e LW |
858 | SV *src; |
859 | ||
3280af22 | 860 | if (PL_stack_base + *PL_markstack_ptr == SP) { |
a0d0e21e | 861 | (void)POPMARK; |
54310121 | 862 | if (GIMME_V == G_SCALAR) |
0b024f31 | 863 | XPUSHs(sv_2mortal(newSViv(0))); |
533c011a | 864 | RETURNOP(PL_op->op_next->op_next); |
a0d0e21e | 865 | } |
3280af22 | 866 | PL_stack_sp = PL_stack_base + *PL_markstack_ptr + 1; |
cea2e8a9 GS |
867 | pp_pushmark(); /* push dst */ |
868 | pp_pushmark(); /* push src */ | |
a0d0e21e LW |
869 | ENTER; /* enter outer scope */ |
870 | ||
871 | SAVETMPS; | |
4d1ff10f | 872 | /* SAVE_DEFSV does *not* suffice here for USE_5005THREADS */ |
127ad2b7 | 873 | SAVESPTR(DEFSV); |
a0d0e21e | 874 | ENTER; /* enter inner scope */ |
7766f137 | 875 | SAVEVPTR(PL_curpm); |
a0d0e21e | 876 | |
3280af22 | 877 | src = PL_stack_base[*PL_markstack_ptr]; |
a0d0e21e | 878 | SvTEMP_off(src); |
54b9620d | 879 | DEFSV = src; |
a0d0e21e LW |
880 | |
881 | PUTBACK; | |
533c011a | 882 | if (PL_op->op_type == OP_MAPSTART) |
cea2e8a9 | 883 | pp_pushmark(); /* push top */ |
533c011a | 884 | return ((LOGOP*)PL_op->op_next)->op_other; |
a0d0e21e LW |
885 | } |
886 | ||
887 | PP(pp_mapstart) | |
888 | { | |
cea2e8a9 | 889 | DIE(aTHX_ "panic: mapstart"); /* uses grepstart */ |
a0d0e21e LW |
890 | } |
891 | ||
892 | PP(pp_mapwhile) | |
893 | { | |
39644a26 | 894 | dSP; |
544f3153 | 895 | I32 items = (SP - PL_stack_base) - *PL_markstack_ptr; /* how many new items */ |
a0d0e21e LW |
896 | I32 count; |
897 | I32 shift; | |
898 | SV** src; | |
ac27b0f5 | 899 | SV** dst; |
a0d0e21e | 900 | |
544f3153 | 901 | /* first, move source pointer to the next item in the source list */ |
3280af22 | 902 | ++PL_markstack_ptr[-1]; |
544f3153 GS |
903 | |
904 | /* if there are new items, push them into the destination list */ | |
905 | if (items) { | |
906 | /* might need to make room back there first */ | |
907 | if (items > PL_markstack_ptr[-1] - PL_markstack_ptr[-2]) { | |
908 | /* XXX this implementation is very pessimal because the stack | |
909 | * is repeatedly extended for every set of items. Is possible | |
910 | * to do this without any stack extension or copying at all | |
911 | * by maintaining a separate list over which the map iterates | |
18ef8bea | 912 | * (like foreach does). --gsar */ |
544f3153 GS |
913 | |
914 | /* everything in the stack after the destination list moves | |
915 | * towards the end the stack by the amount of room needed */ | |
916 | shift = items - (PL_markstack_ptr[-1] - PL_markstack_ptr[-2]); | |
917 | ||
918 | /* items to shift up (accounting for the moved source pointer) */ | |
919 | count = (SP - PL_stack_base) - (PL_markstack_ptr[-1] - 1); | |
18ef8bea BT |
920 | |
921 | /* This optimization is by Ben Tilly and it does | |
922 | * things differently from what Sarathy (gsar) | |
923 | * is describing. The downside of this optimization is | |
924 | * that leaves "holes" (uninitialized and hopefully unused areas) | |
925 | * to the Perl stack, but on the other hand this | |
926 | * shouldn't be a problem. If Sarathy's idea gets | |
927 | * implemented, this optimization should become | |
928 | * irrelevant. --jhi */ | |
929 | if (shift < count) | |
930 | shift = count; /* Avoid shifting too often --Ben Tilly */ | |
ac27b0f5 | 931 | |
924508f0 GS |
932 | EXTEND(SP,shift); |
933 | src = SP; | |
934 | dst = (SP += shift); | |
3280af22 NIS |
935 | PL_markstack_ptr[-1] += shift; |
936 | *PL_markstack_ptr += shift; | |
544f3153 | 937 | while (count--) |
a0d0e21e LW |
938 | *dst-- = *src--; |
939 | } | |
544f3153 | 940 | /* copy the new items down to the destination list */ |
ac27b0f5 | 941 | dst = PL_stack_base + (PL_markstack_ptr[-2] += items) - 1; |
fb14229d | 942 | while (items-- > 0) |
ac27b0f5 | 943 | *dst-- = SvTEMP(TOPs) ? POPs : sv_mortalcopy(POPs); |
a0d0e21e LW |
944 | } |
945 | LEAVE; /* exit inner scope */ | |
946 | ||
947 | /* All done yet? */ | |
3280af22 | 948 | if (PL_markstack_ptr[-1] > *PL_markstack_ptr) { |
54310121 | 949 | I32 gimme = GIMME_V; |
a0d0e21e LW |
950 | |
951 | (void)POPMARK; /* pop top */ | |
952 | LEAVE; /* exit outer scope */ | |
953 | (void)POPMARK; /* pop src */ | |
3280af22 | 954 | items = --*PL_markstack_ptr - PL_markstack_ptr[-1]; |
a0d0e21e | 955 | (void)POPMARK; /* pop dst */ |
3280af22 | 956 | SP = PL_stack_base + POPMARK; /* pop original mark */ |
54310121 | 957 | if (gimme == G_SCALAR) { |
a0d0e21e LW |
958 | dTARGET; |
959 | XPUSHi(items); | |
a0d0e21e | 960 | } |
54310121 | 961 | else if (gimme == G_ARRAY) |
962 | SP += items; | |
a0d0e21e LW |
963 | RETURN; |
964 | } | |
965 | else { | |
966 | SV *src; | |
967 | ||
968 | ENTER; /* enter inner scope */ | |
7766f137 | 969 | SAVEVPTR(PL_curpm); |
a0d0e21e | 970 | |
544f3153 | 971 | /* set $_ to the new source item */ |
3280af22 | 972 | src = PL_stack_base[PL_markstack_ptr[-1]]; |
a0d0e21e | 973 | SvTEMP_off(src); |
54b9620d | 974 | DEFSV = src; |
a0d0e21e LW |
975 | |
976 | RETURNOP(cLOGOP->op_other); | |
977 | } | |
978 | } | |
979 | ||
a0d0e21e LW |
980 | /* Range stuff. */ |
981 | ||
982 | PP(pp_range) | |
983 | { | |
984 | if (GIMME == G_ARRAY) | |
1a67a97c | 985 | return NORMAL; |
538573f7 | 986 | if (SvTRUEx(PAD_SV(PL_op->op_targ))) |
1a67a97c | 987 | return cLOGOP->op_other; |
538573f7 | 988 | else |
1a67a97c | 989 | return NORMAL; |
a0d0e21e LW |
990 | } |
991 | ||
992 | PP(pp_flip) | |
993 | { | |
39644a26 | 994 | dSP; |
a0d0e21e LW |
995 | |
996 | if (GIMME == G_ARRAY) { | |
1a67a97c | 997 | RETURNOP(((LOGOP*)cUNOP->op_first)->op_other); |
a0d0e21e LW |
998 | } |
999 | else { | |
1000 | dTOPss; | |
533c011a | 1001 | SV *targ = PAD_SV(PL_op->op_targ); |
4e3399f9 | 1002 | int flip = 0; |
790090df HS |
1003 | |
1004 | if (PL_op->op_private & OPpFLIP_LINENUM) { | |
4e3399f9 YST |
1005 | if (GvIO(PL_last_in_gv)) { |
1006 | flip = SvIV(sv) == (IV)IoLINES(GvIOp(PL_last_in_gv)); | |
1007 | } | |
1008 | else { | |
1009 | GV *gv = gv_fetchpv(".", TRUE, SVt_PV); | |
1010 | if (gv && GvSV(gv)) flip = SvIV(sv) == SvIV(GvSV(gv)); | |
1011 | } | |
790090df HS |
1012 | } else { |
1013 | flip = SvTRUE(sv); | |
1014 | } | |
1015 | if (flip) { | |
a0d0e21e | 1016 | sv_setiv(PAD_SV(cUNOP->op_first->op_targ), 1); |
533c011a | 1017 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e | 1018 | sv_setiv(targ, 1); |
3e3baf6d | 1019 | SETs(targ); |
a0d0e21e LW |
1020 | RETURN; |
1021 | } | |
1022 | else { | |
1023 | sv_setiv(targ, 0); | |
924508f0 | 1024 | SP--; |
1a67a97c | 1025 | RETURNOP(((LOGOP*)cUNOP->op_first)->op_other); |
a0d0e21e LW |
1026 | } |
1027 | } | |
1028 | sv_setpv(TARG, ""); | |
1029 | SETs(targ); | |
1030 | RETURN; | |
1031 | } | |
1032 | } | |
1033 | ||
1034 | PP(pp_flop) | |
1035 | { | |
39644a26 | 1036 | dSP; |
a0d0e21e LW |
1037 | |
1038 | if (GIMME == G_ARRAY) { | |
1039 | dPOPPOPssrl; | |
c1ab3db2 | 1040 | register I32 i, j; |
a0d0e21e LW |
1041 | register SV *sv; |
1042 | I32 max; | |
86cb7173 HS |
1043 | |
1044 | if (SvGMAGICAL(left)) | |
1045 | mg_get(left); | |
1046 | if (SvGMAGICAL(right)) | |
1047 | mg_get(right); | |
a0d0e21e | 1048 | |
545956b7 MJD |
1049 | /* This code tries to decide if "$left .. $right" should use the |
1050 | magical string increment, or if the range is numeric (we make | |
1051 | an exception for .."0" [#18165]). AMS 20021031. */ | |
1052 | ||
4633a7c4 | 1053 | if (SvNIOKp(left) || !SvPOKp(left) || |
39eb4040 GS |
1054 | SvNIOKp(right) || !SvPOKp(right) || |
1055 | (looks_like_number(left) && *SvPVX(left) != '0' && | |
ee34a4d0 | 1056 | looks_like_number(right))) |
bbce6d69 | 1057 | { |
c1ab3db2 | 1058 | if (SvNV(left) < IV_MIN || SvNV(right) > IV_MAX) |
d470f89e | 1059 | DIE(aTHX_ "Range iterator outside integer range"); |
a0d0e21e LW |
1060 | i = SvIV(left); |
1061 | max = SvIV(right); | |
bbce6d69 | 1062 | if (max >= i) { |
c1ab3db2 AK |
1063 | j = max - i + 1; |
1064 | EXTEND_MORTAL(j); | |
1065 | EXTEND(SP, j); | |
bbce6d69 | 1066 | } |
c1ab3db2 AK |
1067 | else |
1068 | j = 0; | |
1069 | while (j--) { | |
bbce6d69 | 1070 | sv = sv_2mortal(newSViv(i++)); |
a0d0e21e LW |
1071 | PUSHs(sv); |
1072 | } | |
1073 | } | |
1074 | else { | |
1075 | SV *final = sv_mortalcopy(right); | |
2d8e6c8d | 1076 | STRLEN len, n_a; |
a0d0e21e LW |
1077 | char *tmps = SvPV(final, len); |
1078 | ||
1079 | sv = sv_mortalcopy(left); | |
2d8e6c8d | 1080 | SvPV_force(sv,n_a); |
89ea2908 | 1081 | while (!SvNIOKp(sv) && SvCUR(sv) <= len) { |
a0d0e21e | 1082 | XPUSHs(sv); |
89ea2908 GA |
1083 | if (strEQ(SvPVX(sv),tmps)) |
1084 | break; | |
a0d0e21e LW |
1085 | sv = sv_2mortal(newSVsv(sv)); |
1086 | sv_inc(sv); | |
1087 | } | |
a0d0e21e LW |
1088 | } |
1089 | } | |
1090 | else { | |
1091 | dTOPss; | |
1092 | SV *targ = PAD_SV(cUNOP->op_first->op_targ); | |
4e3399f9 | 1093 | int flop = 0; |
a0d0e21e | 1094 | sv_inc(targ); |
4e3399f9 YST |
1095 | |
1096 | if (PL_op->op_private & OPpFLIP_LINENUM) { | |
1097 | if (GvIO(PL_last_in_gv)) { | |
1098 | flop = SvIV(sv) == (IV)IoLINES(GvIOp(PL_last_in_gv)); | |
1099 | } | |
1100 | else { | |
1101 | GV *gv = gv_fetchpv(".", TRUE, SVt_PV); | |
1102 | if (gv && GvSV(gv)) flop = SvIV(sv) == SvIV(GvSV(gv)); | |
1103 | } | |
1104 | } | |
1105 | else { | |
1106 | flop = SvTRUE(sv); | |
1107 | } | |
1108 | ||
1109 | if (flop) { | |
a0d0e21e LW |
1110 | sv_setiv(PAD_SV(((UNOP*)cUNOP->op_first)->op_first->op_targ), 0); |
1111 | sv_catpv(targ, "E0"); | |
1112 | } | |
1113 | SETs(targ); | |
1114 | } | |
1115 | ||
1116 | RETURN; | |
1117 | } | |
1118 | ||
1119 | /* Control. */ | |
1120 | ||
515afda2 NC |
1121 | static char *context_name[] = { |
1122 | "pseudo-block", | |
1123 | "subroutine", | |
1124 | "eval", | |
1125 | "loop", | |
1126 | "substitution", | |
1127 | "block", | |
1128 | "format" | |
1129 | }; | |
1130 | ||
76e3520e | 1131 | STATIC I32 |
cea2e8a9 | 1132 | S_dopoptolabel(pTHX_ char *label) |
a0d0e21e LW |
1133 | { |
1134 | register I32 i; | |
c09156bb | 1135 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1136 | |
1137 | for (i = cxstack_ix; i >= 0; i--) { | |
1138 | cx = &cxstack[i]; | |
6b35e009 | 1139 | switch (CxTYPE(cx)) { |
a0d0e21e | 1140 | case CXt_SUBST: |
a0d0e21e | 1141 | case CXt_SUB: |
7766f137 | 1142 | case CXt_FORMAT: |
a0d0e21e | 1143 | case CXt_EVAL: |
0a753a76 | 1144 | case CXt_NULL: |
e476b1b5 | 1145 | if (ckWARN(WARN_EXITING)) |
515afda2 NC |
1146 | Perl_warner(aTHX_ packWARN(WARN_EXITING), "Exiting %s via %s", |
1147 | context_name[CxTYPE(cx)], OP_NAME(PL_op)); | |
1148 | if (CxTYPE(cx) == CXt_NULL) | |
1149 | return -1; | |
1150 | break; | |
a0d0e21e LW |
1151 | case CXt_LOOP: |
1152 | if (!cx->blk_loop.label || | |
1153 | strNE(label, cx->blk_loop.label) ) { | |
cea2e8a9 | 1154 | DEBUG_l(Perl_deb(aTHX_ "(Skipping label #%ld %s)\n", |
68dc0745 | 1155 | (long)i, cx->blk_loop.label)); |
a0d0e21e LW |
1156 | continue; |
1157 | } | |
cea2e8a9 | 1158 | DEBUG_l( Perl_deb(aTHX_ "(Found label #%ld %s)\n", (long)i, label)); |
a0d0e21e LW |
1159 | return i; |
1160 | } | |
1161 | } | |
1162 | return i; | |
1163 | } | |
1164 | ||
e50aee73 | 1165 | I32 |
864dbfa3 | 1166 | Perl_dowantarray(pTHX) |
e50aee73 | 1167 | { |
54310121 | 1168 | I32 gimme = block_gimme(); |
1169 | return (gimme == G_VOID) ? G_SCALAR : gimme; | |
1170 | } | |
1171 | ||
1172 | I32 | |
864dbfa3 | 1173 | Perl_block_gimme(pTHX) |
54310121 | 1174 | { |
e50aee73 AD |
1175 | I32 cxix; |
1176 | ||
1177 | cxix = dopoptosub(cxstack_ix); | |
1178 | if (cxix < 0) | |
46fc3d4c | 1179 | return G_VOID; |
e50aee73 | 1180 | |
54310121 | 1181 | switch (cxstack[cxix].blk_gimme) { |
d2719217 GS |
1182 | case G_VOID: |
1183 | return G_VOID; | |
54310121 | 1184 | case G_SCALAR: |
e50aee73 | 1185 | return G_SCALAR; |
54310121 | 1186 | case G_ARRAY: |
1187 | return G_ARRAY; | |
1188 | default: | |
cea2e8a9 | 1189 | Perl_croak(aTHX_ "panic: bad gimme: %d\n", cxstack[cxix].blk_gimme); |
d2719217 GS |
1190 | /* NOTREACHED */ |
1191 | return 0; | |
54310121 | 1192 | } |
e50aee73 AD |
1193 | } |
1194 | ||
78f9721b SM |
1195 | I32 |
1196 | Perl_is_lvalue_sub(pTHX) | |
1197 | { | |
1198 | I32 cxix; | |
1199 | ||
1200 | cxix = dopoptosub(cxstack_ix); | |
1201 | assert(cxix >= 0); /* We should only be called from inside subs */ | |
1202 | ||
1203 | if (cxstack[cxix].blk_sub.lval && CvLVALUE(cxstack[cxix].blk_sub.cv)) | |
1204 | return cxstack[cxix].blk_sub.lval; | |
1205 | else | |
1206 | return 0; | |
1207 | } | |
1208 | ||
76e3520e | 1209 | STATIC I32 |
cea2e8a9 | 1210 | S_dopoptosub(pTHX_ I32 startingblock) |
a0d0e21e | 1211 | { |
2c375eb9 GS |
1212 | return dopoptosub_at(cxstack, startingblock); |
1213 | } | |
1214 | ||
1215 | STATIC I32 | |
cea2e8a9 | 1216 | S_dopoptosub_at(pTHX_ PERL_CONTEXT *cxstk, I32 startingblock) |
2c375eb9 | 1217 | { |
a0d0e21e | 1218 | I32 i; |
c09156bb | 1219 | register PERL_CONTEXT *cx; |
a0d0e21e | 1220 | for (i = startingblock; i >= 0; i--) { |
2c375eb9 | 1221 | cx = &cxstk[i]; |
6b35e009 | 1222 | switch (CxTYPE(cx)) { |
a0d0e21e LW |
1223 | default: |
1224 | continue; | |
1225 | case CXt_EVAL: | |
1226 | case CXt_SUB: | |
7766f137 | 1227 | case CXt_FORMAT: |
cea2e8a9 | 1228 | DEBUG_l( Perl_deb(aTHX_ "(Found sub #%ld)\n", (long)i)); |
a0d0e21e LW |
1229 | return i; |
1230 | } | |
1231 | } | |
1232 | return i; | |
1233 | } | |
1234 | ||
76e3520e | 1235 | STATIC I32 |
cea2e8a9 | 1236 | S_dopoptoeval(pTHX_ I32 startingblock) |
a0d0e21e LW |
1237 | { |
1238 | I32 i; | |
c09156bb | 1239 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1240 | for (i = startingblock; i >= 0; i--) { |
1241 | cx = &cxstack[i]; | |
6b35e009 | 1242 | switch (CxTYPE(cx)) { |
a0d0e21e LW |
1243 | default: |
1244 | continue; | |
1245 | case CXt_EVAL: | |
cea2e8a9 | 1246 | DEBUG_l( Perl_deb(aTHX_ "(Found eval #%ld)\n", (long)i)); |
a0d0e21e LW |
1247 | return i; |
1248 | } | |
1249 | } | |
1250 | return i; | |
1251 | } | |
1252 | ||
76e3520e | 1253 | STATIC I32 |
cea2e8a9 | 1254 | S_dopoptoloop(pTHX_ I32 startingblock) |
a0d0e21e LW |
1255 | { |
1256 | I32 i; | |
c09156bb | 1257 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1258 | for (i = startingblock; i >= 0; i--) { |
1259 | cx = &cxstack[i]; | |
6b35e009 | 1260 | switch (CxTYPE(cx)) { |
a0d0e21e | 1261 | case CXt_SUBST: |
a0d0e21e | 1262 | case CXt_SUB: |
7766f137 | 1263 | case CXt_FORMAT: |
a0d0e21e | 1264 | case CXt_EVAL: |
0a753a76 | 1265 | case CXt_NULL: |
e476b1b5 | 1266 | if (ckWARN(WARN_EXITING)) |
515afda2 NC |
1267 | Perl_warner(aTHX_ packWARN(WARN_EXITING), "Exiting %s via %s", |
1268 | context_name[CxTYPE(cx)], OP_NAME(PL_op)); | |
1269 | if ((CxTYPE(cx)) == CXt_NULL) | |
1270 | return -1; | |
1271 | break; | |
a0d0e21e | 1272 | case CXt_LOOP: |
cea2e8a9 | 1273 | DEBUG_l( Perl_deb(aTHX_ "(Found loop #%ld)\n", (long)i)); |
a0d0e21e LW |
1274 | return i; |
1275 | } | |
1276 | } | |
1277 | return i; | |
1278 | } | |
1279 | ||
1280 | void | |
864dbfa3 | 1281 | Perl_dounwind(pTHX_ I32 cxix) |
a0d0e21e | 1282 | { |
c09156bb | 1283 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1284 | I32 optype; |
1285 | ||
1286 | while (cxstack_ix > cxix) { | |
b0d9ce38 | 1287 | SV *sv; |
c90c0ff4 | 1288 | cx = &cxstack[cxstack_ix]; |
1289 | DEBUG_l(PerlIO_printf(Perl_debug_log, "Unwinding block %ld, type %s\n", | |
22c35a8c | 1290 | (long) cxstack_ix, PL_block_type[CxTYPE(cx)])); |
a0d0e21e | 1291 | /* Note: we don't need to restore the base context info till the end. */ |
6b35e009 | 1292 | switch (CxTYPE(cx)) { |
c90c0ff4 | 1293 | case CXt_SUBST: |
1294 | POPSUBST(cx); | |
1295 | continue; /* not break */ | |
a0d0e21e | 1296 | case CXt_SUB: |
b0d9ce38 GS |
1297 | POPSUB(cx,sv); |
1298 | LEAVESUB(sv); | |
a0d0e21e LW |
1299 | break; |
1300 | case CXt_EVAL: | |
1301 | POPEVAL(cx); | |
1302 | break; | |
1303 | case CXt_LOOP: | |
1304 | POPLOOP(cx); | |
1305 | break; | |
0a753a76 | 1306 | case CXt_NULL: |
a0d0e21e | 1307 | break; |
7766f137 GS |
1308 | case CXt_FORMAT: |
1309 | POPFORMAT(cx); | |
1310 | break; | |
a0d0e21e | 1311 | } |
c90c0ff4 | 1312 | cxstack_ix--; |
a0d0e21e LW |
1313 | } |
1314 | } | |
1315 | ||
5a844595 GS |
1316 | void |
1317 | Perl_qerror(pTHX_ SV *err) | |
1318 | { | |
1319 | if (PL_in_eval) | |
1320 | sv_catsv(ERRSV, err); | |
1321 | else if (PL_errors) | |
1322 | sv_catsv(PL_errors, err); | |
1323 | else | |
894356b3 | 1324 | Perl_warn(aTHX_ "%"SVf, err); |
5a844595 GS |
1325 | ++PL_error_count; |
1326 | } | |
1327 | ||
a0d0e21e | 1328 | OP * |
864dbfa3 | 1329 | Perl_die_where(pTHX_ char *message, STRLEN msglen) |
a0d0e21e | 1330 | { |
2d8e6c8d | 1331 | STRLEN n_a; |
87582a92 AT |
1332 | IO *io; |
1333 | MAGIC *mg; | |
1334 | ||
3280af22 | 1335 | if (PL_in_eval) { |
a0d0e21e | 1336 | I32 cxix; |
c09156bb | 1337 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1338 | I32 gimme; |
1339 | SV **newsp; | |
1340 | ||
4e6ea2c3 | 1341 | if (message) { |
faef0170 | 1342 | if (PL_in_eval & EVAL_KEEPERR) { |
98eae8f5 GS |
1343 | static char prefix[] = "\t(in cleanup) "; |
1344 | SV *err = ERRSV; | |
1345 | char *e = Nullch; | |
1346 | if (!SvPOK(err)) | |
1347 | sv_setpv(err,""); | |
1348 | else if (SvCUR(err) >= sizeof(prefix)+msglen-1) { | |
1349 | e = SvPV(err, n_a); | |
1350 | e += n_a - msglen; | |
1351 | if (*e != *message || strNE(e,message)) | |
1352 | e = Nullch; | |
1353 | } | |
1354 | if (!e) { | |
1355 | SvGROW(err, SvCUR(err)+sizeof(prefix)+msglen); | |
1356 | sv_catpvn(err, prefix, sizeof(prefix)-1); | |
1357 | sv_catpvn(err, message, msglen); | |
e476b1b5 | 1358 | if (ckWARN(WARN_MISC)) { |
98eae8f5 | 1359 | STRLEN start = SvCUR(err)-msglen-sizeof(prefix)+1; |
9014280d | 1360 | Perl_warner(aTHX_ packWARN(WARN_MISC), SvPVX(err)+start); |
4e6ea2c3 | 1361 | } |
4633a7c4 | 1362 | } |
4633a7c4 | 1363 | } |
1aa99e6b | 1364 | else { |
06bf62c7 | 1365 | sv_setpvn(ERRSV, message, msglen); |
1aa99e6b | 1366 | } |
4633a7c4 LW |
1367 | } |
1368 | else | |
06bf62c7 | 1369 | message = SvPVx(ERRSV, msglen); |
4e6ea2c3 | 1370 | |
5a844595 GS |
1371 | while ((cxix = dopoptoeval(cxstack_ix)) < 0 |
1372 | && PL_curstackinfo->si_prev) | |
1373 | { | |
bac4b2ad | 1374 | dounwind(-1); |
d3acc0f7 | 1375 | POPSTACK; |
bac4b2ad | 1376 | } |
e336de0d | 1377 | |
a0d0e21e LW |
1378 | if (cxix >= 0) { |
1379 | I32 optype; | |
1380 | ||
1381 | if (cxix < cxstack_ix) | |
1382 | dounwind(cxix); | |
1383 | ||
3280af22 | 1384 | POPBLOCK(cx,PL_curpm); |
6b35e009 | 1385 | if (CxTYPE(cx) != CXt_EVAL) { |
bf49b057 GS |
1386 | PerlIO_write(Perl_error_log, "panic: die ", 11); |
1387 | PerlIO_write(Perl_error_log, message, msglen); | |
a0d0e21e LW |
1388 | my_exit(1); |
1389 | } | |
1390 | POPEVAL(cx); | |
1391 | ||
1392 | if (gimme == G_SCALAR) | |
3280af22 NIS |
1393 | *++newsp = &PL_sv_undef; |
1394 | PL_stack_sp = newsp; | |
a0d0e21e LW |
1395 | |
1396 | LEAVE; | |
748a9306 | 1397 | |
7fb6a879 GS |
1398 | /* LEAVE could clobber PL_curcop (see save_re_context()) |
1399 | * XXX it might be better to find a way to avoid messing with | |
1400 | * PL_curcop in save_re_context() instead, but this is a more | |
1401 | * minimal fix --GSAR */ | |
1402 | PL_curcop = cx->blk_oldcop; | |
1403 | ||
7a2e2cd6 | 1404 | if (optype == OP_REQUIRE) { |
2d8e6c8d | 1405 | char* msg = SvPVx(ERRSV, n_a); |
5a844595 GS |
1406 | DIE(aTHX_ "%sCompilation failed in require", |
1407 | *msg ? msg : "Unknown error\n"); | |
7a2e2cd6 | 1408 | } |
a0d0e21e LW |
1409 | return pop_return(); |
1410 | } | |
1411 | } | |
9cc2fdd3 | 1412 | if (!message) |
06bf62c7 | 1413 | message = SvPVx(ERRSV, msglen); |
87582a92 AT |
1414 | |
1415 | /* if STDERR is tied, print to it instead */ | |
1416 | if (PL_stderrgv && (io = GvIOp(PL_stderrgv)) | |
1417 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) { | |
1418 | dSP; ENTER; | |
1419 | PUSHMARK(SP); | |
1420 | XPUSHs(SvTIED_obj((SV*)io, mg)); | |
1421 | XPUSHs(sv_2mortal(newSVpvn(message, msglen))); | |
1422 | PUTBACK; | |
1423 | call_method("PRINT", G_SCALAR); | |
1424 | LEAVE; | |
1425 | } | |
1426 | else { | |
d175a3f0 GS |
1427 | #ifdef USE_SFIO |
1428 | /* SFIO can really mess with your errno */ | |
1429 | int e = errno; | |
1430 | #endif | |
bf49b057 GS |
1431 | PerlIO *serr = Perl_error_log; |
1432 | ||
be708cc0 | 1433 | PERL_WRITE_MSG_TO_CONSOLE(serr, message, msglen); |
bf49b057 | 1434 | (void)PerlIO_flush(serr); |
d175a3f0 GS |
1435 | #ifdef USE_SFIO |
1436 | errno = e; | |
1437 | #endif | |
1438 | } | |
f86702cc | 1439 | my_failure_exit(); |
1440 | /* NOTREACHED */ | |
a0d0e21e LW |
1441 | return 0; |
1442 | } | |
1443 | ||
1444 | PP(pp_xor) | |
1445 | { | |
39644a26 | 1446 | dSP; dPOPTOPssrl; |
a0d0e21e LW |
1447 | if (SvTRUE(left) != SvTRUE(right)) |
1448 | RETSETYES; | |
1449 | else | |
1450 | RETSETNO; | |
1451 | } | |
1452 | ||
1453 | PP(pp_andassign) | |
1454 | { | |
39644a26 | 1455 | dSP; |
a0d0e21e LW |
1456 | if (!SvTRUE(TOPs)) |
1457 | RETURN; | |
1458 | else | |
1459 | RETURNOP(cLOGOP->op_other); | |
1460 | } | |
1461 | ||
1462 | PP(pp_orassign) | |
1463 | { | |
39644a26 | 1464 | dSP; |
a0d0e21e LW |
1465 | if (SvTRUE(TOPs)) |
1466 | RETURN; | |
1467 | else | |
1468 | RETURNOP(cLOGOP->op_other); | |
1469 | } | |
c963b151 BD |
1470 | |
1471 | PP(pp_dorassign) | |
1472 | { | |
1473 | dSP; | |
1474 | register SV* sv; | |
1475 | ||
1476 | sv = TOPs; | |
1477 | if (!sv || !SvANY(sv)) { | |
1478 | RETURNOP(cLOGOP->op_other); | |
1479 | } | |
1480 | ||
1481 | switch (SvTYPE(sv)) { | |
1482 | case SVt_PVAV: | |
1483 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
1484 | RETURN; | |
1485 | break; | |
1486 | case SVt_PVHV: | |
1487 | if (HvARRAY(sv) || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
1488 | RETURN; | |
1489 | break; | |
1490 | case SVt_PVCV: | |
1491 | if (CvROOT(sv) || CvXSUB(sv)) | |
1492 | RETURN; | |
1493 | break; | |
1494 | default: | |
1495 | if (SvGMAGICAL(sv)) | |
1496 | mg_get(sv); | |
1497 | if (SvOK(sv)) | |
1498 | RETURN; | |
1499 | } | |
1500 | ||
1501 | RETURNOP(cLOGOP->op_other); | |
1502 | } | |
1503 | ||
a0d0e21e LW |
1504 | PP(pp_caller) |
1505 | { | |
39644a26 | 1506 | dSP; |
a0d0e21e | 1507 | register I32 cxix = dopoptosub(cxstack_ix); |
c09156bb | 1508 | register PERL_CONTEXT *cx; |
2c375eb9 | 1509 | register PERL_CONTEXT *ccstack = cxstack; |
3280af22 | 1510 | PERL_SI *top_si = PL_curstackinfo; |
a0d0e21e | 1511 | I32 dbcxix; |
54310121 | 1512 | I32 gimme; |
ed094faf | 1513 | char *stashname; |
a0d0e21e LW |
1514 | SV *sv; |
1515 | I32 count = 0; | |
1516 | ||
1517 | if (MAXARG) | |
1518 | count = POPi; | |
27d41816 | 1519 | |
a0d0e21e | 1520 | for (;;) { |
2c375eb9 GS |
1521 | /* we may be in a higher stacklevel, so dig down deeper */ |
1522 | while (cxix < 0 && top_si->si_type != PERLSI_MAIN) { | |
1523 | top_si = top_si->si_prev; | |
1524 | ccstack = top_si->si_cxstack; | |
1525 | cxix = dopoptosub_at(ccstack, top_si->si_cxix); | |
1526 | } | |
a0d0e21e | 1527 | if (cxix < 0) { |
27d41816 DM |
1528 | if (GIMME != G_ARRAY) { |
1529 | EXTEND(SP, 1); | |
a0d0e21e | 1530 | RETPUSHUNDEF; |
27d41816 | 1531 | } |
a0d0e21e LW |
1532 | RETURN; |
1533 | } | |
3280af22 NIS |
1534 | if (PL_DBsub && cxix >= 0 && |
1535 | ccstack[cxix].blk_sub.cv == GvCV(PL_DBsub)) | |
a0d0e21e LW |
1536 | count++; |
1537 | if (!count--) | |
1538 | break; | |
2c375eb9 | 1539 | cxix = dopoptosub_at(ccstack, cxix - 1); |
a0d0e21e | 1540 | } |
2c375eb9 GS |
1541 | |
1542 | cx = &ccstack[cxix]; | |
7766f137 | 1543 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
2c375eb9 GS |
1544 | dbcxix = dopoptosub_at(ccstack, cxix - 1); |
1545 | /* We expect that ccstack[dbcxix] is CXt_SUB, anyway, the | |
06a5b730 | 1546 | field below is defined for any cx. */ |
3280af22 | 1547 | if (PL_DBsub && dbcxix >= 0 && ccstack[dbcxix].blk_sub.cv == GvCV(PL_DBsub)) |
2c375eb9 | 1548 | cx = &ccstack[dbcxix]; |
06a5b730 | 1549 | } |
1550 | ||
ed094faf | 1551 | stashname = CopSTASHPV(cx->blk_oldcop); |
a0d0e21e | 1552 | if (GIMME != G_ARRAY) { |
27d41816 | 1553 | EXTEND(SP, 1); |
ed094faf | 1554 | if (!stashname) |
3280af22 | 1555 | PUSHs(&PL_sv_undef); |
49d8d3a1 MB |
1556 | else { |
1557 | dTARGET; | |
ed094faf | 1558 | sv_setpv(TARG, stashname); |
49d8d3a1 MB |
1559 | PUSHs(TARG); |
1560 | } | |
a0d0e21e LW |
1561 | RETURN; |
1562 | } | |
a0d0e21e | 1563 | |
27d41816 DM |
1564 | EXTEND(SP, 10); |
1565 | ||
ed094faf | 1566 | if (!stashname) |
3280af22 | 1567 | PUSHs(&PL_sv_undef); |
49d8d3a1 | 1568 | else |
ed094faf | 1569 | PUSHs(sv_2mortal(newSVpv(stashname, 0))); |
248c2a4d | 1570 | PUSHs(sv_2mortal(newSVpv(OutCopFILE(cx->blk_oldcop), 0))); |
57843af0 | 1571 | PUSHs(sv_2mortal(newSViv((I32)CopLINE(cx->blk_oldcop)))); |
a0d0e21e LW |
1572 | if (!MAXARG) |
1573 | RETURN; | |
7766f137 | 1574 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
07b8c804 | 1575 | GV *cvgv = CvGV(ccstack[cxix].blk_sub.cv); |
7766f137 | 1576 | /* So is ccstack[dbcxix]. */ |
07b8c804 RGS |
1577 | if (isGV(cvgv)) { |
1578 | sv = NEWSV(49, 0); | |
1579 | gv_efullname3(sv, cvgv, Nullch); | |
1580 | PUSHs(sv_2mortal(sv)); | |
1581 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_sub.hasargs))); | |
1582 | } | |
1583 | else { | |
1584 | PUSHs(sv_2mortal(newSVpvn("(unknown)",9))); | |
72699b0f | 1585 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_sub.hasargs))); |
07b8c804 | 1586 | } |
a0d0e21e LW |
1587 | } |
1588 | else { | |
79cb57f6 | 1589 | PUSHs(sv_2mortal(newSVpvn("(eval)",6))); |
a0d0e21e LW |
1590 | PUSHs(sv_2mortal(newSViv(0))); |
1591 | } | |
54310121 | 1592 | gimme = (I32)cx->blk_gimme; |
1593 | if (gimme == G_VOID) | |
3280af22 | 1594 | PUSHs(&PL_sv_undef); |
54310121 | 1595 | else |
1596 | PUSHs(sv_2mortal(newSViv(gimme & G_ARRAY))); | |
6b35e009 | 1597 | if (CxTYPE(cx) == CXt_EVAL) { |
811a4de9 | 1598 | /* eval STRING */ |
06a5b730 | 1599 | if (cx->blk_eval.old_op_type == OP_ENTEREVAL) { |
4633a7c4 | 1600 | PUSHs(cx->blk_eval.cur_text); |
3280af22 | 1601 | PUSHs(&PL_sv_no); |
0f79a09d | 1602 | } |
811a4de9 | 1603 | /* require */ |
0f79a09d GS |
1604 | else if (cx->blk_eval.old_namesv) { |
1605 | PUSHs(sv_2mortal(newSVsv(cx->blk_eval.old_namesv))); | |
3280af22 | 1606 | PUSHs(&PL_sv_yes); |
06a5b730 | 1607 | } |
811a4de9 GS |
1608 | /* eval BLOCK (try blocks have old_namesv == 0) */ |
1609 | else { | |
1610 | PUSHs(&PL_sv_undef); | |
1611 | PUSHs(&PL_sv_undef); | |
1612 | } | |
4633a7c4 | 1613 | } |
a682de96 GS |
1614 | else { |
1615 | PUSHs(&PL_sv_undef); | |
1616 | PUSHs(&PL_sv_undef); | |
1617 | } | |
1618 | if (CxTYPE(cx) == CXt_SUB && cx->blk_sub.hasargs | |
ed094faf | 1619 | && CopSTASH_eq(PL_curcop, PL_debstash)) |
4633a7c4 | 1620 | { |
a0d0e21e LW |
1621 | AV *ary = cx->blk_sub.argarray; |
1622 | int off = AvARRAY(ary) - AvALLOC(ary); | |
1623 | ||
3280af22 | 1624 | if (!PL_dbargs) { |
a0d0e21e | 1625 | GV* tmpgv; |
3280af22 | 1626 | PL_dbargs = GvAV(gv_AVadd(tmpgv = gv_fetchpv("DB::args", TRUE, |
a0d0e21e | 1627 | SVt_PVAV))); |
a5f75d66 | 1628 | GvMULTI_on(tmpgv); |
3ddcf04c | 1629 | AvREAL_off(PL_dbargs); /* XXX should be REIFY (see av.h) */ |
a0d0e21e LW |
1630 | } |
1631 | ||
3280af22 NIS |
1632 | if (AvMAX(PL_dbargs) < AvFILLp(ary) + off) |
1633 | av_extend(PL_dbargs, AvFILLp(ary) + off); | |
1634 | Copy(AvALLOC(ary), AvARRAY(PL_dbargs), AvFILLp(ary) + 1 + off, SV*); | |
1635 | AvFILLp(PL_dbargs) = AvFILLp(ary) + off; | |
a0d0e21e | 1636 | } |
f3aa04c2 GS |
1637 | /* XXX only hints propagated via op_private are currently |
1638 | * visible (others are not easily accessible, since they | |
1639 | * use the global PL_hints) */ | |
1640 | PUSHs(sv_2mortal(newSViv((I32)cx->blk_oldcop->op_private & | |
1641 | HINT_PRIVATE_MASK))); | |
e476b1b5 GS |
1642 | { |
1643 | SV * mask ; | |
1644 | SV * old_warnings = cx->blk_oldcop->cop_warnings ; | |
114bafba | 1645 | |
ac27b0f5 | 1646 | if (old_warnings == pWARN_NONE || |
114bafba | 1647 | (old_warnings == pWARN_STD && (PL_dowarn & G_WARN_ON) == 0)) |
e476b1b5 | 1648 | mask = newSVpvn(WARN_NONEstring, WARNsize) ; |
ac27b0f5 | 1649 | else if (old_warnings == pWARN_ALL || |
75b6c4ca RGS |
1650 | (old_warnings == pWARN_STD && PL_dowarn & G_WARN_ON)) { |
1651 | /* Get the bit mask for $warnings::Bits{all}, because | |
1652 | * it could have been extended by warnings::register */ | |
1653 | SV **bits_all; | |
1654 | HV *bits = get_hv("warnings::Bits", FALSE); | |
1655 | if (bits && (bits_all=hv_fetch(bits, "all", 3, FALSE))) { | |
1656 | mask = newSVsv(*bits_all); | |
1657 | } | |
1658 | else { | |
1659 | mask = newSVpvn(WARN_ALLstring, WARNsize) ; | |
1660 | } | |
1661 | } | |
e476b1b5 GS |
1662 | else |
1663 | mask = newSVsv(old_warnings); | |
1664 | PUSHs(sv_2mortal(mask)); | |
1665 | } | |
a0d0e21e LW |
1666 | RETURN; |
1667 | } | |
1668 | ||
a0d0e21e LW |
1669 | PP(pp_reset) |
1670 | { | |
39644a26 | 1671 | dSP; |
a0d0e21e | 1672 | char *tmps; |
2d8e6c8d | 1673 | STRLEN n_a; |
a0d0e21e LW |
1674 | |
1675 | if (MAXARG < 1) | |
1676 | tmps = ""; | |
1677 | else | |
2d8e6c8d | 1678 | tmps = POPpx; |
11faa288 | 1679 | sv_reset(tmps, CopSTASH(PL_curcop)); |
3280af22 | 1680 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1681 | RETURN; |
1682 | } | |
1683 | ||
1684 | PP(pp_lineseq) | |
1685 | { | |
1686 | return NORMAL; | |
1687 | } | |
1688 | ||
dd2155a4 DM |
1689 | /* like pp_nextstate, but used instead when the debugger is active */ |
1690 | ||
a0d0e21e LW |
1691 | PP(pp_dbstate) |
1692 | { | |
533c011a | 1693 | PL_curcop = (COP*)PL_op; |
a0d0e21e | 1694 | TAINT_NOT; /* Each statement is presumed innocent */ |
3280af22 | 1695 | PL_stack_sp = PL_stack_base + cxstack[cxstack_ix].blk_oldsp; |
a0d0e21e LW |
1696 | FREETMPS; |
1697 | ||
5df8de69 DM |
1698 | if (PL_op->op_flags & OPf_SPECIAL /* breakpoint */ |
1699 | || SvIV(PL_DBsingle) || SvIV(PL_DBsignal) || SvIV(PL_DBtrace)) | |
a0d0e21e | 1700 | { |
39644a26 | 1701 | dSP; |
a0d0e21e | 1702 | register CV *cv; |
c09156bb | 1703 | register PERL_CONTEXT *cx; |
748a9306 | 1704 | I32 gimme = G_ARRAY; |
eb160463 | 1705 | U8 hasargs; |
a0d0e21e LW |
1706 | GV *gv; |
1707 | ||
3280af22 | 1708 | gv = PL_DBgv; |
a0d0e21e | 1709 | cv = GvCV(gv); |
a0d0e21e | 1710 | if (!cv) |
cea2e8a9 | 1711 | DIE(aTHX_ "No DB::DB routine defined"); |
a0d0e21e | 1712 | |
aea4f609 DM |
1713 | if (CvDEPTH(cv) >= 1 && !(PL_debug & DEBUG_DB_RECURSE_FLAG)) |
1714 | /* don't do recursive DB::DB call */ | |
a0d0e21e | 1715 | return NORMAL; |
748a9306 | 1716 | |
4633a7c4 LW |
1717 | ENTER; |
1718 | SAVETMPS; | |
1719 | ||
3280af22 | 1720 | SAVEI32(PL_debug); |
55497cff | 1721 | SAVESTACK_POS(); |
3280af22 | 1722 | PL_debug = 0; |
748a9306 | 1723 | hasargs = 0; |
924508f0 | 1724 | SPAGAIN; |
748a9306 | 1725 | |
533c011a | 1726 | push_return(PL_op->op_next); |
924508f0 | 1727 | PUSHBLOCK(cx, CXt_SUB, SP); |
ee98a1d6 | 1728 | PUSHSUB_DB(cx); |
a0d0e21e LW |
1729 | CvDEPTH(cv)++; |
1730 | (void)SvREFCNT_inc(cv); | |
dd2155a4 | 1731 | PAD_SET_CUR(CvPADLIST(cv),1); |
a0d0e21e LW |
1732 | RETURNOP(CvSTART(cv)); |
1733 | } | |
1734 | else | |
1735 | return NORMAL; | |
1736 | } | |
1737 | ||
1738 | PP(pp_scope) | |
1739 | { | |
1740 | return NORMAL; | |
1741 | } | |
1742 | ||
1743 | PP(pp_enteriter) | |
1744 | { | |
39644a26 | 1745 | dSP; dMARK; |
c09156bb | 1746 | register PERL_CONTEXT *cx; |
54310121 | 1747 | I32 gimme = GIMME_V; |
a0d0e21e | 1748 | SV **svp; |
7766f137 GS |
1749 | U32 cxtype = CXt_LOOP; |
1750 | #ifdef USE_ITHREADS | |
1751 | void *iterdata; | |
1752 | #endif | |
a0d0e21e | 1753 | |
4633a7c4 LW |
1754 | ENTER; |
1755 | SAVETMPS; | |
1756 | ||
533c011a | 1757 | if (PL_op->op_targ) { |
c3564e5c | 1758 | #ifndef USE_ITHREADS |
dd2155a4 | 1759 | svp = &PAD_SVl(PL_op->op_targ); /* "my" variable */ |
54b9620d | 1760 | SAVESPTR(*svp); |
c3564e5c GS |
1761 | #else |
1762 | SAVEPADSV(PL_op->op_targ); | |
cbfa9890 | 1763 | iterdata = INT2PTR(void*, PL_op->op_targ); |
7766f137 GS |
1764 | cxtype |= CXp_PADVAR; |
1765 | #endif | |
54b9620d MB |
1766 | } |
1767 | else { | |
7766f137 GS |
1768 | GV *gv = (GV*)POPs; |
1769 | svp = &GvSV(gv); /* symbol table variable */ | |
0214ae40 GS |
1770 | SAVEGENERICSV(*svp); |
1771 | *svp = NEWSV(0,0); | |
7766f137 GS |
1772 | #ifdef USE_ITHREADS |
1773 | iterdata = (void*)gv; | |
1774 | #endif | |
54b9620d | 1775 | } |
4633a7c4 | 1776 | |
a0d0e21e LW |
1777 | ENTER; |
1778 | ||
7766f137 GS |
1779 | PUSHBLOCK(cx, cxtype, SP); |
1780 | #ifdef USE_ITHREADS | |
1781 | PUSHLOOP(cx, iterdata, MARK); | |
1782 | #else | |
a0d0e21e | 1783 | PUSHLOOP(cx, svp, MARK); |
7766f137 | 1784 | #endif |
533c011a | 1785 | if (PL_op->op_flags & OPf_STACKED) { |
44a8e56a | 1786 | cx->blk_loop.iterary = (AV*)SvREFCNT_inc(POPs); |
89ea2908 GA |
1787 | if (SvTYPE(cx->blk_loop.iterary) != SVt_PVAV) { |
1788 | dPOPss; | |
f3fd7796 | 1789 | /* See comment in pp_flop() */ |
89ea2908 | 1790 | if (SvNIOKp(sv) || !SvPOKp(sv) || |
39eb4040 GS |
1791 | SvNIOKp(cx->blk_loop.iterary) || !SvPOKp(cx->blk_loop.iterary) || |
1792 | (looks_like_number(sv) && *SvPVX(sv) != '0' && | |
f3fd7796 | 1793 | looks_like_number((SV*)cx->blk_loop.iterary))) |
39eb4040 | 1794 | { |
89ea2908 GA |
1795 | if (SvNV(sv) < IV_MIN || |
1796 | SvNV((SV*)cx->blk_loop.iterary) >= IV_MAX) | |
d470f89e | 1797 | DIE(aTHX_ "Range iterator outside integer range"); |
89ea2908 GA |
1798 | cx->blk_loop.iterix = SvIV(sv); |
1799 | cx->blk_loop.itermax = SvIV((SV*)cx->blk_loop.iterary); | |
1800 | } | |
1801 | else | |
1802 | cx->blk_loop.iterlval = newSVsv(sv); | |
1803 | } | |
1804 | } | |
4633a7c4 | 1805 | else { |
3280af22 NIS |
1806 | cx->blk_loop.iterary = PL_curstack; |
1807 | AvFILLp(PL_curstack) = SP - PL_stack_base; | |
1808 | cx->blk_loop.iterix = MARK - PL_stack_base; | |
4633a7c4 | 1809 | } |
a0d0e21e LW |
1810 | |
1811 | RETURN; | |
1812 | } | |
1813 | ||
1814 | PP(pp_enterloop) | |
1815 | { | |
39644a26 | 1816 | dSP; |
c09156bb | 1817 | register PERL_CONTEXT *cx; |
54310121 | 1818 | I32 gimme = GIMME_V; |
a0d0e21e LW |
1819 | |
1820 | ENTER; | |
1821 | SAVETMPS; | |
1822 | ENTER; | |
1823 | ||
1824 | PUSHBLOCK(cx, CXt_LOOP, SP); | |
1825 | PUSHLOOP(cx, 0, SP); | |
1826 | ||
1827 | RETURN; | |
1828 | } | |
1829 | ||
1830 | PP(pp_leaveloop) | |
1831 | { | |
39644a26 | 1832 | dSP; |
c09156bb | 1833 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
1834 | I32 gimme; |
1835 | SV **newsp; | |
1836 | PMOP *newpm; | |
1837 | SV **mark; | |
1838 | ||
1839 | POPBLOCK(cx,newpm); | |
4fdae800 | 1840 | mark = newsp; |
a8bba7fa | 1841 | newsp = PL_stack_base + cx->blk_loop.resetsp; |
f86702cc | 1842 | |
a1f49e72 | 1843 | TAINT_NOT; |
54310121 | 1844 | if (gimme == G_VOID) |
1845 | ; /* do nothing */ | |
1846 | else if (gimme == G_SCALAR) { | |
1847 | if (mark < SP) | |
1848 | *++newsp = sv_mortalcopy(*SP); | |
1849 | else | |
3280af22 | 1850 | *++newsp = &PL_sv_undef; |
a0d0e21e LW |
1851 | } |
1852 | else { | |
a1f49e72 | 1853 | while (mark < SP) { |
a0d0e21e | 1854 | *++newsp = sv_mortalcopy(*++mark); |
a1f49e72 CS |
1855 | TAINT_NOT; /* Each item is independent */ |
1856 | } | |
a0d0e21e | 1857 | } |
f86702cc | 1858 | SP = newsp; |
1859 | PUTBACK; | |
1860 | ||
a8bba7fa | 1861 | POPLOOP(cx); /* Stack values are safe: release loop vars ... */ |
3280af22 | 1862 | PL_curpm = newpm; /* ... and pop $1 et al */ |
f86702cc | 1863 | |
a0d0e21e LW |
1864 | LEAVE; |
1865 | LEAVE; | |
1866 | ||
f86702cc | 1867 | return NORMAL; |
a0d0e21e LW |
1868 | } |
1869 | ||
1870 | PP(pp_return) | |
1871 | { | |
39644a26 | 1872 | dSP; dMARK; |
a0d0e21e | 1873 | I32 cxix; |
c09156bb | 1874 | register PERL_CONTEXT *cx; |
f86702cc | 1875 | bool popsub2 = FALSE; |
b45de488 | 1876 | bool clear_errsv = FALSE; |
a0d0e21e LW |
1877 | I32 gimme; |
1878 | SV **newsp; | |
1879 | PMOP *newpm; | |
1880 | I32 optype = 0; | |
b0d9ce38 | 1881 | SV *sv; |
a0d0e21e | 1882 | |
3280af22 | 1883 | if (PL_curstackinfo->si_type == PERLSI_SORT) { |
7766f137 GS |
1884 | if (cxstack_ix == PL_sortcxix |
1885 | || dopoptosub(cxstack_ix) <= PL_sortcxix) | |
1886 | { | |
3280af22 NIS |
1887 | if (cxstack_ix > PL_sortcxix) |
1888 | dounwind(PL_sortcxix); | |
1889 | AvARRAY(PL_curstack)[1] = *SP; | |
1890 | PL_stack_sp = PL_stack_base + 1; | |
a0d0e21e LW |
1891 | return 0; |
1892 | } | |
1893 | } | |
1894 | ||
1895 | cxix = dopoptosub(cxstack_ix); | |
1896 | if (cxix < 0) | |
cea2e8a9 | 1897 | DIE(aTHX_ "Can't return outside a subroutine"); |
a0d0e21e LW |
1898 | if (cxix < cxstack_ix) |
1899 | dounwind(cxix); | |
1900 | ||
1901 | POPBLOCK(cx,newpm); | |
6b35e009 | 1902 | switch (CxTYPE(cx)) { |
a0d0e21e | 1903 | case CXt_SUB: |
f86702cc | 1904 | popsub2 = TRUE; |
a0d0e21e LW |
1905 | break; |
1906 | case CXt_EVAL: | |
b45de488 GS |
1907 | if (!(PL_in_eval & EVAL_KEEPERR)) |
1908 | clear_errsv = TRUE; | |
a0d0e21e | 1909 | POPEVAL(cx); |
1d76a5c3 GS |
1910 | if (CxTRYBLOCK(cx)) |
1911 | break; | |
067f92a0 | 1912 | lex_end(); |
748a9306 LW |
1913 | if (optype == OP_REQUIRE && |
1914 | (MARK == SP || (gimme == G_SCALAR && !SvTRUE(*SP))) ) | |
1915 | { | |
54310121 | 1916 | /* Unassume the success we assumed earlier. */ |
0f79a09d GS |
1917 | SV *nsv = cx->blk_eval.old_namesv; |
1918 | (void)hv_delete(GvHVn(PL_incgv), SvPVX(nsv), SvCUR(nsv), G_DISCARD); | |
35c1215d | 1919 | DIE(aTHX_ "%"SVf" did not return a true value", nsv); |
748a9306 | 1920 | } |
a0d0e21e | 1921 | break; |
7766f137 GS |
1922 | case CXt_FORMAT: |
1923 | POPFORMAT(cx); | |
1924 | break; | |
a0d0e21e | 1925 | default: |
cea2e8a9 | 1926 | DIE(aTHX_ "panic: return"); |
a0d0e21e LW |
1927 | } |
1928 | ||
a1f49e72 | 1929 | TAINT_NOT; |
a0d0e21e | 1930 | if (gimme == G_SCALAR) { |
a29cdaf0 IZ |
1931 | if (MARK < SP) { |
1932 | if (popsub2) { | |
a8bba7fa | 1933 | if (cx->blk_sub.cv && CvDEPTH(cx->blk_sub.cv) > 1) { |
a29cdaf0 IZ |
1934 | if (SvTEMP(TOPs)) { |
1935 | *++newsp = SvREFCNT_inc(*SP); | |
1936 | FREETMPS; | |
1937 | sv_2mortal(*newsp); | |
959e3673 GS |
1938 | } |
1939 | else { | |
1940 | sv = SvREFCNT_inc(*SP); /* FREETMPS could clobber it */ | |
a29cdaf0 | 1941 | FREETMPS; |
959e3673 GS |
1942 | *++newsp = sv_mortalcopy(sv); |
1943 | SvREFCNT_dec(sv); | |
a29cdaf0 | 1944 | } |
959e3673 GS |
1945 | } |
1946 | else | |
a29cdaf0 | 1947 | *++newsp = (SvTEMP(*SP)) ? *SP : sv_mortalcopy(*SP); |
959e3673 GS |
1948 | } |
1949 | else | |
a29cdaf0 | 1950 | *++newsp = sv_mortalcopy(*SP); |
959e3673 GS |
1951 | } |
1952 | else | |
3280af22 | 1953 | *++newsp = &PL_sv_undef; |
a0d0e21e | 1954 | } |
54310121 | 1955 | else if (gimme == G_ARRAY) { |
a1f49e72 | 1956 | while (++MARK <= SP) { |
f86702cc | 1957 | *++newsp = (popsub2 && SvTEMP(*MARK)) |
1958 | ? *MARK : sv_mortalcopy(*MARK); | |
a1f49e72 CS |
1959 | TAINT_NOT; /* Each item is independent */ |
1960 | } | |
a0d0e21e | 1961 | } |
3280af22 | 1962 | PL_stack_sp = newsp; |
a0d0e21e | 1963 | |
51d9a56b | 1964 | LEAVE; |
f86702cc | 1965 | /* Stack values are safe: */ |
1966 | if (popsub2) { | |
b0d9ce38 | 1967 | POPSUB(cx,sv); /* release CV and @_ ... */ |
f86702cc | 1968 | } |
b0d9ce38 GS |
1969 | else |
1970 | sv = Nullsv; | |
3280af22 | 1971 | PL_curpm = newpm; /* ... and pop $1 et al */ |
f86702cc | 1972 | |
b0d9ce38 | 1973 | LEAVESUB(sv); |
b45de488 GS |
1974 | if (clear_errsv) |
1975 | sv_setpv(ERRSV,""); | |
a0d0e21e LW |
1976 | return pop_return(); |
1977 | } | |
1978 | ||
1979 | PP(pp_last) | |
1980 | { | |
39644a26 | 1981 | dSP; |
a0d0e21e | 1982 | I32 cxix; |
c09156bb | 1983 | register PERL_CONTEXT *cx; |
f86702cc | 1984 | I32 pop2 = 0; |
a0d0e21e LW |
1985 | I32 gimme; |
1986 | I32 optype; | |
1987 | OP *nextop; | |
1988 | SV **newsp; | |
1989 | PMOP *newpm; | |
a8bba7fa | 1990 | SV **mark; |
b0d9ce38 | 1991 | SV *sv = Nullsv; |
a0d0e21e | 1992 | |
533c011a | 1993 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
1994 | cxix = dopoptoloop(cxstack_ix); |
1995 | if (cxix < 0) | |
a651a37d | 1996 | DIE(aTHX_ "Can't \"last\" outside a loop block"); |
a0d0e21e LW |
1997 | } |
1998 | else { | |
1999 | cxix = dopoptolabel(cPVOP->op_pv); | |
2000 | if (cxix < 0) | |
cea2e8a9 | 2001 | DIE(aTHX_ "Label not found for \"last %s\"", cPVOP->op_pv); |
a0d0e21e LW |
2002 | } |
2003 | if (cxix < cxstack_ix) | |
2004 | dounwind(cxix); | |
2005 | ||
2006 | POPBLOCK(cx,newpm); | |
a8bba7fa | 2007 | mark = newsp; |
6b35e009 | 2008 | switch (CxTYPE(cx)) { |
a0d0e21e | 2009 | case CXt_LOOP: |
f86702cc | 2010 | pop2 = CXt_LOOP; |
a8bba7fa GS |
2011 | newsp = PL_stack_base + cx->blk_loop.resetsp; |
2012 | nextop = cx->blk_loop.last_op->op_next; | |
a0d0e21e | 2013 | break; |
f86702cc | 2014 | case CXt_SUB: |
f86702cc | 2015 | pop2 = CXt_SUB; |
a0d0e21e LW |
2016 | nextop = pop_return(); |
2017 | break; | |
f86702cc | 2018 | case CXt_EVAL: |
2019 | POPEVAL(cx); | |
a0d0e21e LW |
2020 | nextop = pop_return(); |
2021 | break; | |
7766f137 GS |
2022 | case CXt_FORMAT: |
2023 | POPFORMAT(cx); | |
2024 | nextop = pop_return(); | |
2025 | break; | |
a0d0e21e | 2026 | default: |
cea2e8a9 | 2027 | DIE(aTHX_ "panic: last"); |
a0d0e21e LW |
2028 | } |
2029 | ||
a1f49e72 | 2030 | TAINT_NOT; |
a0d0e21e | 2031 | if (gimme == G_SCALAR) { |
f86702cc | 2032 | if (MARK < SP) |
2033 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*SP)) | |
2034 | ? *SP : sv_mortalcopy(*SP); | |
a0d0e21e | 2035 | else |
3280af22 | 2036 | *++newsp = &PL_sv_undef; |
a0d0e21e | 2037 | } |
54310121 | 2038 | else if (gimme == G_ARRAY) { |
a1f49e72 | 2039 | while (++MARK <= SP) { |
f86702cc | 2040 | *++newsp = ((pop2 == CXt_SUB) && SvTEMP(*MARK)) |
2041 | ? *MARK : sv_mortalcopy(*MARK); | |
a1f49e72 CS |
2042 | TAINT_NOT; /* Each item is independent */ |
2043 | } | |
f86702cc | 2044 | } |
2045 | SP = newsp; | |
2046 | PUTBACK; | |
2047 | ||
51d9a56b | 2048 | LEAVE; |
f86702cc | 2049 | /* Stack values are safe: */ |
2050 | switch (pop2) { | |
2051 | case CXt_LOOP: | |
a8bba7fa | 2052 | POPLOOP(cx); /* release loop vars ... */ |
4fdae800 | 2053 | LEAVE; |
f86702cc | 2054 | break; |
2055 | case CXt_SUB: | |
b0d9ce38 | 2056 | POPSUB(cx,sv); /* release CV and @_ ... */ |
f86702cc | 2057 | break; |
a0d0e21e | 2058 | } |
3280af22 | 2059 | PL_curpm = newpm; /* ... and pop $1 et al */ |
a0d0e21e | 2060 | |
b0d9ce38 | 2061 | LEAVESUB(sv); |
f86702cc | 2062 | return nextop; |
a0d0e21e LW |
2063 | } |
2064 | ||
2065 | PP(pp_next) | |
2066 | { | |
2067 | I32 cxix; | |
c09156bb | 2068 | register PERL_CONTEXT *cx; |
85538317 | 2069 | I32 inner; |
a0d0e21e | 2070 | |
533c011a | 2071 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
2072 | cxix = dopoptoloop(cxstack_ix); |
2073 | if (cxix < 0) | |
a651a37d | 2074 | DIE(aTHX_ "Can't \"next\" outside a loop block"); |
a0d0e21e LW |
2075 | } |
2076 | else { | |
2077 | cxix = dopoptolabel(cPVOP->op_pv); | |
2078 | if (cxix < 0) | |
cea2e8a9 | 2079 | DIE(aTHX_ "Label not found for \"next %s\"", cPVOP->op_pv); |
a0d0e21e LW |
2080 | } |
2081 | if (cxix < cxstack_ix) | |
2082 | dounwind(cxix); | |
2083 | ||
85538317 GS |
2084 | /* clear off anything above the scope we're re-entering, but |
2085 | * save the rest until after a possible continue block */ | |
2086 | inner = PL_scopestack_ix; | |
1ba6ee2b | 2087 | TOPBLOCK(cx); |
85538317 GS |
2088 | if (PL_scopestack_ix < inner) |
2089 | leave_scope(PL_scopestack[PL_scopestack_ix]); | |
1ba6ee2b | 2090 | return cx->blk_loop.next_op; |
a0d0e21e LW |
2091 | } |
2092 | ||
2093 | PP(pp_redo) | |
2094 | { | |
2095 | I32 cxix; | |
c09156bb | 2096 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
2097 | I32 oldsave; |
2098 | ||
533c011a | 2099 | if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e LW |
2100 | cxix = dopoptoloop(cxstack_ix); |
2101 | if (cxix < 0) | |
a651a37d | 2102 | DIE(aTHX_ "Can't \"redo\" outside a loop block"); |
a0d0e21e LW |
2103 | } |
2104 | else { | |
2105 | cxix = dopoptolabel(cPVOP->op_pv); | |
2106 | if (cxix < 0) | |
cea2e8a9 | 2107 | DIE(aTHX_ "Label not found for \"redo %s\"", cPVOP->op_pv); |
a0d0e21e LW |
2108 | } |
2109 | if (cxix < cxstack_ix) | |
2110 | dounwind(cxix); | |
2111 | ||
2112 | TOPBLOCK(cx); | |
3280af22 | 2113 | oldsave = PL_scopestack[PL_scopestack_ix - 1]; |
a0d0e21e LW |
2114 | LEAVE_SCOPE(oldsave); |
2115 | return cx->blk_loop.redo_op; | |
2116 | } | |
2117 | ||
0824fdcb | 2118 | STATIC OP * |
cea2e8a9 | 2119 | S_dofindlabel(pTHX_ OP *o, char *label, OP **opstack, OP **oplimit) |
a0d0e21e | 2120 | { |
4ea42e7f | 2121 | OP *kid = Nullop; |
a0d0e21e | 2122 | OP **ops = opstack; |
fc36a67e | 2123 | static char too_deep[] = "Target of goto is too deeply nested"; |
a0d0e21e | 2124 | |
fc36a67e | 2125 | if (ops >= oplimit) |
cea2e8a9 | 2126 | Perl_croak(aTHX_ too_deep); |
11343788 MB |
2127 | if (o->op_type == OP_LEAVE || |
2128 | o->op_type == OP_SCOPE || | |
2129 | o->op_type == OP_LEAVELOOP || | |
33d34e4c | 2130 | o->op_type == OP_LEAVESUB || |
11343788 | 2131 | o->op_type == OP_LEAVETRY) |
fc36a67e | 2132 | { |
5dc0d613 | 2133 | *ops++ = cUNOPo->op_first; |
fc36a67e | 2134 | if (ops >= oplimit) |
cea2e8a9 | 2135 | Perl_croak(aTHX_ too_deep); |
fc36a67e | 2136 | } |
c4aa4e48 | 2137 | *ops = 0; |
11343788 | 2138 | if (o->op_flags & OPf_KIDS) { |
a0d0e21e | 2139 | /* First try all the kids at this level, since that's likeliest. */ |
11343788 | 2140 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
c4aa4e48 GS |
2141 | if ((kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) && |
2142 | kCOP->cop_label && strEQ(kCOP->cop_label, label)) | |
a0d0e21e LW |
2143 | return kid; |
2144 | } | |
11343788 | 2145 | for (kid = cUNOPo->op_first; kid; kid = kid->op_sibling) { |
3280af22 | 2146 | if (kid == PL_lastgotoprobe) |
a0d0e21e | 2147 | continue; |
ed8d0fe2 SM |
2148 | if (kid->op_type == OP_NEXTSTATE || kid->op_type == OP_DBSTATE) { |
2149 | if (ops == opstack) | |
2150 | *ops++ = kid; | |
2151 | else if (ops[-1]->op_type == OP_NEXTSTATE || | |
2152 | ops[-1]->op_type == OP_DBSTATE) | |
2153 | ops[-1] = kid; | |
2154 | else | |
2155 | *ops++ = kid; | |
2156 | } | |
155aba94 | 2157 | if ((o = dofindlabel(kid, label, ops, oplimit))) |
11343788 | 2158 | return o; |
a0d0e21e LW |
2159 | } |
2160 | } | |
c4aa4e48 | 2161 | *ops = 0; |
a0d0e21e LW |
2162 | return 0; |
2163 | } | |
2164 | ||
2165 | PP(pp_dump) | |
2166 | { | |
cea2e8a9 | 2167 | return pp_goto(); |
a0d0e21e LW |
2168 | /*NOTREACHED*/ |
2169 | } | |
2170 | ||
2171 | PP(pp_goto) | |
2172 | { | |
39644a26 | 2173 | dSP; |
a0d0e21e LW |
2174 | OP *retop = 0; |
2175 | I32 ix; | |
c09156bb | 2176 | register PERL_CONTEXT *cx; |
fc36a67e | 2177 | #define GOTO_DEPTH 64 |
2178 | OP *enterops[GOTO_DEPTH]; | |
a0d0e21e | 2179 | char *label; |
533c011a | 2180 | int do_dump = (PL_op->op_type == OP_DUMP); |
1614b0e3 | 2181 | static char must_have_label[] = "goto must have label"; |
a0d0e21e LW |
2182 | |
2183 | label = 0; | |
533c011a | 2184 | if (PL_op->op_flags & OPf_STACKED) { |
a0d0e21e | 2185 | SV *sv = POPs; |
2d8e6c8d | 2186 | STRLEN n_a; |
a0d0e21e LW |
2187 | |
2188 | /* This egregious kludge implements goto &subroutine */ | |
2189 | if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVCV) { | |
2190 | I32 cxix; | |
c09156bb | 2191 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
2192 | CV* cv = (CV*)SvRV(sv); |
2193 | SV** mark; | |
2194 | I32 items = 0; | |
2195 | I32 oldsave; | |
2196 | ||
e8f7dd13 | 2197 | retry: |
4aa0a1f7 | 2198 | if (!CvROOT(cv) && !CvXSUB(cv)) { |
e8f7dd13 GS |
2199 | GV *gv = CvGV(cv); |
2200 | GV *autogv; | |
2201 | if (gv) { | |
2202 | SV *tmpstr; | |
2203 | /* autoloaded stub? */ | |
2204 | if (cv != GvCV(gv) && (cv = GvCV(gv))) | |
2205 | goto retry; | |
2206 | autogv = gv_autoload4(GvSTASH(gv), GvNAME(gv), | |
2207 | GvNAMELEN(gv), FALSE); | |
2208 | if (autogv && (cv = GvCV(autogv))) | |
2209 | goto retry; | |
2210 | tmpstr = sv_newmortal(); | |
2211 | gv_efullname3(tmpstr, gv, Nullch); | |
35c1215d | 2212 | DIE(aTHX_ "Goto undefined subroutine &%"SVf"",tmpstr); |
4aa0a1f7 | 2213 | } |
cea2e8a9 | 2214 | DIE(aTHX_ "Goto undefined subroutine"); |
4aa0a1f7 AD |
2215 | } |
2216 | ||
a0d0e21e | 2217 | /* First do some returnish stuff. */ |
5023d17a | 2218 | SvREFCNT_inc(cv); /* avoid premature free during unwind */ |
71fc2216 | 2219 | FREETMPS; |
a0d0e21e LW |
2220 | cxix = dopoptosub(cxstack_ix); |
2221 | if (cxix < 0) | |
cea2e8a9 | 2222 | DIE(aTHX_ "Can't goto subroutine outside a subroutine"); |
a0d0e21e LW |
2223 | if (cxix < cxstack_ix) |
2224 | dounwind(cxix); | |
2225 | TOPBLOCK(cx); | |
63b28e3f | 2226 | if (CxREALEVAL(cx)) |
cea2e8a9 | 2227 | DIE(aTHX_ "Can't goto subroutine from an eval-string"); |
3280af22 | 2228 | mark = PL_stack_sp; |
d8b46c1b GS |
2229 | if (CxTYPE(cx) == CXt_SUB && cx->blk_sub.hasargs) { |
2230 | /* put @_ back onto stack */ | |
a0d0e21e LW |
2231 | AV* av = cx->blk_sub.argarray; |
2232 | ||
93965878 | 2233 | items = AvFILLp(av) + 1; |
3280af22 NIS |
2234 | PL_stack_sp++; |
2235 | EXTEND(PL_stack_sp, items); /* @_ could have been extended. */ | |
2236 | Copy(AvARRAY(av), PL_stack_sp, items, SV*); | |
2237 | PL_stack_sp += items; | |
3280af22 NIS |
2238 | SvREFCNT_dec(GvAV(PL_defgv)); |
2239 | GvAV(PL_defgv) = cx->blk_sub.savearray; | |
d8b46c1b | 2240 | /* abandon @_ if it got reified */ |
62b1ebc2 | 2241 | if (AvREAL(av)) { |
d8b46c1b GS |
2242 | (void)sv_2mortal((SV*)av); /* delay until return */ |
2243 | av = newAV(); | |
2244 | av_extend(av, items-1); | |
2245 | AvFLAGS(av) = AVf_REIFY; | |
dd2155a4 | 2246 | PAD_SVl(0) = (SV*)(cx->blk_sub.argarray = av); |
62b1ebc2 | 2247 | } |
f3a46bf8 DM |
2248 | else |
2249 | CLEAR_ARGARRAY(av); | |
a0d0e21e | 2250 | } |
1fa4e549 AD |
2251 | else if (CvXSUB(cv)) { /* put GvAV(defgv) back onto stack */ |
2252 | AV* av; | |
3280af22 | 2253 | av = GvAV(PL_defgv); |
1fa4e549 | 2254 | items = AvFILLp(av) + 1; |
3280af22 NIS |
2255 | PL_stack_sp++; |
2256 | EXTEND(PL_stack_sp, items); /* @_ could have been extended. */ | |
2257 | Copy(AvARRAY(av), PL_stack_sp, items, SV*); | |
2258 | PL_stack_sp += items; | |
1fa4e549 | 2259 | } |
6b35e009 | 2260 | if (CxTYPE(cx) == CXt_SUB && |
b150fb22 | 2261 | !(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth)) |
a0d0e21e | 2262 | SvREFCNT_dec(cx->blk_sub.cv); |
3280af22 | 2263 | oldsave = PL_scopestack[PL_scopestack_ix - 1]; |
a0d0e21e LW |
2264 | LEAVE_SCOPE(oldsave); |
2265 | ||
2266 | /* Now do some callish stuff. */ | |
2267 | SAVETMPS; | |
5023d17a | 2268 | SAVEFREESV(cv); /* later, undo the 'avoid premature free' hack */ |
a0d0e21e | 2269 | if (CvXSUB(cv)) { |
67caa1fe | 2270 | #ifdef PERL_XSUB_OLDSTYLE |
a0d0e21e | 2271 | if (CvOLDSTYLE(cv)) { |
20ce7b12 | 2272 | I32 (*fp3)(int,int,int); |
924508f0 GS |
2273 | while (SP > mark) { |
2274 | SP[1] = SP[0]; | |
2275 | SP--; | |
a0d0e21e | 2276 | } |
7766f137 | 2277 | fp3 = (I32(*)(int,int,int))CvXSUB(cv); |
ecfc5424 | 2278 | items = (*fp3)(CvXSUBANY(cv).any_i32, |
3280af22 | 2279 | mark - PL_stack_base + 1, |
ecfc5424 | 2280 | items); |
3280af22 | 2281 | SP = PL_stack_base + items; |
a0d0e21e | 2282 | } |
67caa1fe GS |
2283 | else |
2284 | #endif /* PERL_XSUB_OLDSTYLE */ | |
2285 | { | |
1fa4e549 AD |
2286 | SV **newsp; |
2287 | I32 gimme; | |
2288 | ||
3280af22 | 2289 | PL_stack_sp--; /* There is no cv arg. */ |
1fa4e549 | 2290 | /* Push a mark for the start of arglist */ |
ac27b0f5 | 2291 | PUSHMARK(mark); |
acfe0abc | 2292 | (void)(*CvXSUB(cv))(aTHX_ cv); |
1fa4e549 | 2293 | /* Pop the current context like a decent sub should */ |
3280af22 | 2294 | POPBLOCK(cx, PL_curpm); |
1fa4e549 | 2295 | /* Do _not_ use PUTBACK, keep the XSUB's return stack! */ |
a0d0e21e LW |
2296 | } |
2297 | LEAVE; | |
2298 | return pop_return(); | |
2299 | } | |
2300 | else { | |
2301 | AV* padlist = CvPADLIST(cv); | |
6b35e009 | 2302 | if (CxTYPE(cx) == CXt_EVAL) { |
3280af22 NIS |
2303 | PL_in_eval = cx->blk_eval.old_in_eval; |
2304 | PL_eval_root = cx->blk_eval.old_eval_root; | |
b150fb22 RH |
2305 | cx->cx_type = CXt_SUB; |
2306 | cx->blk_sub.hasargs = 0; | |
2307 | } | |
a0d0e21e | 2308 | cx->blk_sub.cv = cv; |
eb160463 | 2309 | cx->blk_sub.olddepth = (U16)CvDEPTH(cv); |
dd2155a4 | 2310 | |
a0d0e21e LW |
2311 | CvDEPTH(cv)++; |
2312 | if (CvDEPTH(cv) < 2) | |
2313 | (void)SvREFCNT_inc(cv); | |
dd2155a4 | 2314 | else { |
599cee73 | 2315 | if (CvDEPTH(cv) == 100 && ckWARN(WARN_RECURSION)) |
44a8e56a | 2316 | sub_crush_depth(cv); |
dd2155a4 | 2317 | pad_push(padlist, CvDEPTH(cv), cx->blk_sub.hasargs); |
a0d0e21e | 2318 | } |
dd2155a4 | 2319 | PAD_SET_CUR(padlist, CvDEPTH(cv)); |
6d4ff0d2 | 2320 | if (cx->blk_sub.hasargs) |
6d4ff0d2 | 2321 | { |
dd2155a4 | 2322 | AV* av = (AV*)PAD_SVl(0); |
a0d0e21e LW |
2323 | SV** ary; |
2324 | ||
3280af22 NIS |
2325 | cx->blk_sub.savearray = GvAV(PL_defgv); |
2326 | GvAV(PL_defgv) = (AV*)SvREFCNT_inc(av); | |
dd2155a4 | 2327 | CX_CURPAD_SAVE(cx->blk_sub); |
6d4ff0d2 | 2328 | cx->blk_sub.argarray = av; |
a0d0e21e LW |
2329 | ++mark; |
2330 | ||
2331 | if (items >= AvMAX(av) + 1) { | |
2332 | ary = AvALLOC(av); | |
2333 | if (AvARRAY(av) != ary) { | |
2334 | AvMAX(av) += AvARRAY(av) - AvALLOC(av); | |
2335 | SvPVX(av) = (char*)ary; | |
2336 | } | |
2337 | if (items >= AvMAX(av) + 1) { | |
2338 | AvMAX(av) = items - 1; | |
2339 | Renew(ary,items+1,SV*); | |
2340 | AvALLOC(av) = ary; | |
2341 | SvPVX(av) = (char*)ary; | |
2342 | } | |
2343 | } | |
2344 | Copy(mark,AvARRAY(av),items,SV*); | |
93965878 | 2345 | AvFILLp(av) = items - 1; |
d8b46c1b | 2346 | assert(!AvREAL(av)); |
a0d0e21e LW |
2347 | while (items--) { |
2348 | if (*mark) | |
2349 | SvTEMP_off(*mark); | |
2350 | mark++; | |
2351 | } | |
2352 | } | |
491527d0 | 2353 | if (PERLDB_SUB) { /* Checking curstash breaks DProf. */ |
44a8e56a | 2354 | /* |
2355 | * We do not care about using sv to call CV; | |
2356 | * it's for informational purposes only. | |
2357 | */ | |
3280af22 | 2358 | SV *sv = GvSV(PL_DBsub); |
491527d0 | 2359 | CV *gotocv; |
ac27b0f5 | 2360 | |
491527d0 | 2361 | if (PERLDB_SUB_NN) { |
56431972 | 2362 | SvIVX(sv) = PTR2IV(cv); /* Already upgraded, saved */ |
491527d0 GS |
2363 | } else { |
2364 | save_item(sv); | |
2365 | gv_efullname3(sv, CvGV(cv), Nullch); | |
2366 | } | |
2367 | if ( PERLDB_GOTO | |
864dbfa3 | 2368 | && (gotocv = get_cv("DB::goto", FALSE)) ) { |
3280af22 | 2369 | PUSHMARK( PL_stack_sp ); |
864dbfa3 | 2370 | call_sv((SV*)gotocv, G_SCALAR | G_NODEBUG); |
3280af22 | 2371 | PL_stack_sp--; |
491527d0 | 2372 | } |
1ce6579f | 2373 | } |
a0d0e21e LW |
2374 | RETURNOP(CvSTART(cv)); |
2375 | } | |
2376 | } | |
1614b0e3 | 2377 | else { |
2d8e6c8d | 2378 | label = SvPV(sv,n_a); |
1614b0e3 | 2379 | if (!(do_dump || *label)) |
cea2e8a9 | 2380 | DIE(aTHX_ must_have_label); |
1614b0e3 | 2381 | } |
a0d0e21e | 2382 | } |
533c011a | 2383 | else if (PL_op->op_flags & OPf_SPECIAL) { |
a0d0e21e | 2384 | if (! do_dump) |
cea2e8a9 | 2385 | DIE(aTHX_ must_have_label); |
a0d0e21e LW |
2386 | } |
2387 | else | |
2388 | label = cPVOP->op_pv; | |
2389 | ||
2390 | if (label && *label) { | |
2391 | OP *gotoprobe = 0; | |
3b2447bc | 2392 | bool leaving_eval = FALSE; |
33d34e4c | 2393 | bool in_block = FALSE; |
a4f3a277 | 2394 | PERL_CONTEXT *last_eval_cx = 0; |
a0d0e21e LW |
2395 | |
2396 | /* find label */ | |
2397 | ||
3280af22 | 2398 | PL_lastgotoprobe = 0; |
a0d0e21e LW |
2399 | *enterops = 0; |
2400 | for (ix = cxstack_ix; ix >= 0; ix--) { | |
2401 | cx = &cxstack[ix]; | |
6b35e009 | 2402 | switch (CxTYPE(cx)) { |
a0d0e21e | 2403 | case CXt_EVAL: |
3b2447bc | 2404 | leaving_eval = TRUE; |
971ecbe6 | 2405 | if (!CxTRYBLOCK(cx)) { |
a4f3a277 RH |
2406 | gotoprobe = (last_eval_cx ? |
2407 | last_eval_cx->blk_eval.old_eval_root : | |
2408 | PL_eval_root); | |
2409 | last_eval_cx = cx; | |
9c5794fe RH |
2410 | break; |
2411 | } | |
2412 | /* else fall through */ | |
a0d0e21e LW |
2413 | case CXt_LOOP: |
2414 | gotoprobe = cx->blk_oldcop->op_sibling; | |
2415 | break; | |
2416 | case CXt_SUBST: | |
2417 | continue; | |
2418 | case CXt_BLOCK: | |
33d34e4c | 2419 | if (ix) { |
a0d0e21e | 2420 | gotoprobe = cx->blk_oldcop->op_sibling; |
33d34e4c AE |
2421 | in_block = TRUE; |
2422 | } else | |
3280af22 | 2423 | gotoprobe = PL_main_root; |
a0d0e21e | 2424 | break; |
b3933176 CS |
2425 | case CXt_SUB: |
2426 | if (CvDEPTH(cx->blk_sub.cv)) { | |
2427 | gotoprobe = CvROOT(cx->blk_sub.cv); | |
2428 | break; | |
2429 | } | |
2430 | /* FALL THROUGH */ | |
7766f137 | 2431 | case CXt_FORMAT: |
0a753a76 | 2432 | case CXt_NULL: |
a651a37d | 2433 | DIE(aTHX_ "Can't \"goto\" out of a pseudo block"); |
a0d0e21e LW |
2434 | default: |
2435 | if (ix) | |
cea2e8a9 | 2436 | DIE(aTHX_ "panic: goto"); |
3280af22 | 2437 | gotoprobe = PL_main_root; |
a0d0e21e LW |
2438 | break; |
2439 | } | |
2b597662 GS |
2440 | if (gotoprobe) { |
2441 | retop = dofindlabel(gotoprobe, label, | |
2442 | enterops, enterops + GOTO_DEPTH); | |
2443 | if (retop) | |
2444 | break; | |
2445 | } | |
3280af22 | 2446 | PL_lastgotoprobe = gotoprobe; |
a0d0e21e LW |
2447 | } |
2448 | if (!retop) | |
cea2e8a9 | 2449 | DIE(aTHX_ "Can't find label %s", label); |
a0d0e21e | 2450 | |
3b2447bc RH |
2451 | /* if we're leaving an eval, check before we pop any frames |
2452 | that we're not going to punt, otherwise the error | |
2453 | won't be caught */ | |
2454 | ||
2455 | if (leaving_eval && *enterops && enterops[1]) { | |
2456 | I32 i; | |
2457 | for (i = 1; enterops[i]; i++) | |
2458 | if (enterops[i]->op_type == OP_ENTERITER) | |
2459 | DIE(aTHX_ "Can't \"goto\" into the middle of a foreach loop"); | |
2460 | } | |
2461 | ||
a0d0e21e LW |
2462 | /* pop unwanted frames */ |
2463 | ||
2464 | if (ix < cxstack_ix) { | |
2465 | I32 oldsave; | |
2466 | ||
2467 | if (ix < 0) | |
2468 | ix = 0; | |
2469 | dounwind(ix); | |
2470 | TOPBLOCK(cx); | |
3280af22 | 2471 | oldsave = PL_scopestack[PL_scopestack_ix]; |
a0d0e21e LW |
2472 | LEAVE_SCOPE(oldsave); |
2473 | } | |
2474 | ||
2475 | /* push wanted frames */ | |
2476 | ||
748a9306 | 2477 | if (*enterops && enterops[1]) { |
533c011a | 2478 | OP *oldop = PL_op; |
33d34e4c AE |
2479 | ix = enterops[1]->op_type == OP_ENTER && in_block ? 2 : 1; |
2480 | for (; enterops[ix]; ix++) { | |
533c011a | 2481 | PL_op = enterops[ix]; |
84902520 TB |
2482 | /* Eventually we may want to stack the needed arguments |
2483 | * for each op. For now, we punt on the hard ones. */ | |
533c011a | 2484 | if (PL_op->op_type == OP_ENTERITER) |
894356b3 | 2485 | DIE(aTHX_ "Can't \"goto\" into the middle of a foreach loop"); |
fc0dc3b3 | 2486 | CALL_FPTR(PL_op->op_ppaddr)(aTHX); |
a0d0e21e | 2487 | } |
533c011a | 2488 | PL_op = oldop; |
a0d0e21e LW |
2489 | } |
2490 | } | |
2491 | ||
2492 | if (do_dump) { | |
a5f75d66 | 2493 | #ifdef VMS |
6b88bc9c | 2494 | if (!retop) retop = PL_main_start; |
a5f75d66 | 2495 | #endif |
3280af22 NIS |
2496 | PL_restartop = retop; |
2497 | PL_do_undump = TRUE; | |
a0d0e21e LW |
2498 | |
2499 | my_unexec(); | |
2500 | ||
3280af22 NIS |
2501 | PL_restartop = 0; /* hmm, must be GNU unexec().. */ |
2502 | PL_do_undump = FALSE; | |
a0d0e21e LW |
2503 | } |
2504 | ||
2505 | RETURNOP(retop); | |
2506 | } | |
2507 | ||
2508 | PP(pp_exit) | |
2509 | { | |
39644a26 | 2510 | dSP; |
a0d0e21e LW |
2511 | I32 anum; |
2512 | ||
2513 | if (MAXARG < 1) | |
2514 | anum = 0; | |
ff0cee69 | 2515 | else { |
a0d0e21e | 2516 | anum = SvIVx(POPs); |
d98f61e7 GS |
2517 | #ifdef VMS |
2518 | if (anum == 1 && (PL_op->op_private & OPpEXIT_VMSISH)) | |
ff0cee69 | 2519 | anum = 0; |
96e176bf | 2520 | VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH); |
ff0cee69 | 2521 | #endif |
2522 | } | |
cc3604b1 | 2523 | PL_exit_flags |= PERL_EXIT_EXPECTED; |
a0d0e21e | 2524 | my_exit(anum); |
3280af22 | 2525 | PUSHs(&PL_sv_undef); |
a0d0e21e LW |
2526 | RETURN; |
2527 | } | |
2528 | ||
2529 | #ifdef NOTYET | |
2530 | PP(pp_nswitch) | |
2531 | { | |
39644a26 | 2532 | dSP; |
65202027 | 2533 | NV value = SvNVx(GvSV(cCOP->cop_gv)); |
a0d0e21e LW |
2534 | register I32 match = I_32(value); |
2535 | ||
2536 | if (value < 0.0) { | |
65202027 | 2537 | if (((NV)match) > value) |
a0d0e21e LW |
2538 | --match; /* was fractional--truncate other way */ |
2539 | } | |
2540 | match -= cCOP->uop.scop.scop_offset; | |
2541 | if (match < 0) | |
2542 | match = 0; | |
2543 | else if (match > cCOP->uop.scop.scop_max) | |
2544 | match = cCOP->uop.scop.scop_max; | |
6b88bc9c GS |
2545 | PL_op = cCOP->uop.scop.scop_next[match]; |
2546 | RETURNOP(PL_op); | |
a0d0e21e LW |
2547 | } |
2548 | ||
2549 | PP(pp_cswitch) | |
2550 | { | |
39644a26 | 2551 | dSP; |
a0d0e21e LW |
2552 | register I32 match; |
2553 | ||
6b88bc9c GS |
2554 | if (PL_multiline) |
2555 | PL_op = PL_op->op_next; /* can't assume anything */ | |
a0d0e21e | 2556 | else { |
2d8e6c8d GS |
2557 | STRLEN n_a; |
2558 | match = *(SvPVx(GvSV(cCOP->cop_gv), n_a)) & 255; | |
a0d0e21e LW |
2559 | match -= cCOP->uop.scop.scop_offset; |
2560 | if (match < 0) | |
2561 | match = 0; | |
2562 | else if (match > cCOP->uop.scop.scop_max) | |
2563 | match = cCOP->uop.scop.scop_max; | |
6b88bc9c | 2564 | PL_op = cCOP->uop.scop.scop_next[match]; |
a0d0e21e | 2565 | } |
6b88bc9c | 2566 | RETURNOP(PL_op); |
a0d0e21e LW |
2567 | } |
2568 | #endif | |
2569 | ||
2570 | /* Eval. */ | |
2571 | ||
0824fdcb | 2572 | STATIC void |
cea2e8a9 | 2573 | S_save_lines(pTHX_ AV *array, SV *sv) |
a0d0e21e LW |
2574 | { |
2575 | register char *s = SvPVX(sv); | |
2576 | register char *send = SvPVX(sv) + SvCUR(sv); | |
2577 | register char *t; | |
2578 | register I32 line = 1; | |
2579 | ||
2580 | while (s && s < send) { | |
2581 | SV *tmpstr = NEWSV(85,0); | |
2582 | ||
2583 | sv_upgrade(tmpstr, SVt_PVMG); | |
2584 | t = strchr(s, '\n'); | |
2585 | if (t) | |
2586 | t++; | |
2587 | else | |
2588 | t = send; | |
2589 | ||
2590 | sv_setpvn(tmpstr, s, t - s); | |
2591 | av_store(array, line++, tmpstr); | |
2592 | s = t; | |
2593 | } | |
2594 | } | |
2595 | ||
14dd3ad8 | 2596 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 2597 | STATIC void * |
cea2e8a9 | 2598 | S_docatch_body(pTHX_ va_list args) |
312caa8e | 2599 | { |
14dd3ad8 GS |
2600 | return docatch_body(); |
2601 | } | |
2602 | #endif | |
2603 | ||
2604 | STATIC void * | |
2605 | S_docatch_body(pTHX) | |
2606 | { | |
cea2e8a9 | 2607 | CALLRUNOPS(aTHX); |
312caa8e CS |
2608 | return NULL; |
2609 | } | |
2610 | ||
0824fdcb | 2611 | STATIC OP * |
cea2e8a9 | 2612 | S_docatch(pTHX_ OP *o) |
1e422769 | 2613 | { |
6224f72b | 2614 | int ret; |
533c011a | 2615 | OP *oldop = PL_op; |
8bffa5f8 | 2616 | OP *retop; |
0cdb2077 | 2617 | volatile PERL_SI *cursi = PL_curstackinfo; |
db36c5a1 | 2618 | dJMPENV; |
1e422769 | 2619 | |
1e422769 | 2620 | #ifdef DEBUGGING |
54310121 | 2621 | assert(CATCH_GET == TRUE); |
1e422769 | 2622 | #endif |
312caa8e | 2623 | PL_op = o; |
8bffa5f8 DM |
2624 | |
2625 | /* Normally, the leavetry at the end of this block of ops will | |
2626 | * pop an op off the return stack and continue there. By setting | |
2627 | * the op to Nullop, we force an exit from the inner runops() | |
2628 | * loop. DAPM. | |
2629 | */ | |
2630 | retop = pop_return(); | |
2631 | push_return(Nullop); | |
2632 | ||
14dd3ad8 | 2633 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 2634 | redo_body: |
db36c5a1 | 2635 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_docatch_body)); |
14dd3ad8 GS |
2636 | #else |
2637 | JMPENV_PUSH(ret); | |
2638 | #endif | |
6224f72b | 2639 | switch (ret) { |
312caa8e | 2640 | case 0: |
14dd3ad8 GS |
2641 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
2642 | redo_body: | |
2643 | docatch_body(); | |
2644 | #endif | |
312caa8e CS |
2645 | break; |
2646 | case 3: | |
8bffa5f8 | 2647 | /* die caught by an inner eval - continue inner loop */ |
0cdb2077 | 2648 | if (PL_restartop && cursi == PL_curstackinfo) { |
312caa8e CS |
2649 | PL_op = PL_restartop; |
2650 | PL_restartop = 0; | |
2651 | goto redo_body; | |
2652 | } | |
8bffa5f8 DM |
2653 | /* a die in this eval - continue in outer loop */ |
2654 | if (!PL_restartop) | |
2655 | break; | |
312caa8e CS |
2656 | /* FALL THROUGH */ |
2657 | default: | |
14dd3ad8 | 2658 | JMPENV_POP; |
533c011a | 2659 | PL_op = oldop; |
6224f72b | 2660 | JMPENV_JUMP(ret); |
1e422769 | 2661 | /* NOTREACHED */ |
1e422769 | 2662 | } |
14dd3ad8 | 2663 | JMPENV_POP; |
533c011a | 2664 | PL_op = oldop; |
8bffa5f8 | 2665 | return retop; |
1e422769 | 2666 | } |
2667 | ||
c277df42 | 2668 | OP * |
f3548bdc | 2669 | Perl_sv_compile_2op(pTHX_ SV *sv, OP** startop, char *code, PAD** padp) |
c277df42 IZ |
2670 | /* sv Text to convert to OP tree. */ |
2671 | /* startop op_free() this to undo. */ | |
2672 | /* code Short string id of the caller. */ | |
2673 | { | |
2674 | dSP; /* Make POPBLOCK work. */ | |
2675 | PERL_CONTEXT *cx; | |
2676 | SV **newsp; | |
f987c7de | 2677 | I32 gimme = 0; /* SUSPECT - INITIALZE TO WHAT? NI-S */ |
c277df42 IZ |
2678 | I32 optype; |
2679 | OP dummy; | |
155aba94 | 2680 | OP *rop; |
83ee9e09 GS |
2681 | char tbuf[TYPE_DIGITS(long) + 12 + 10]; |
2682 | char *tmpbuf = tbuf; | |
c277df42 | 2683 | char *safestr; |
a3985cdc | 2684 | int runtime; |
40b8d195 | 2685 | CV* runcv = Nullcv; /* initialise to avoid compiler warnings */ |
c277df42 IZ |
2686 | |
2687 | ENTER; | |
2688 | lex_start(sv); | |
2689 | SAVETMPS; | |
2690 | /* switch to eval mode */ | |
2691 | ||
cbce877f | 2692 | if (PL_curcop == &PL_compiling) { |
f4dd75d9 | 2693 | SAVECOPSTASH_FREE(&PL_compiling); |
11faa288 | 2694 | CopSTASH_set(&PL_compiling, PL_curstash); |
cbce877f | 2695 | } |
83ee9e09 GS |
2696 | if (PERLDB_NAMEEVAL && CopLINE(PL_curcop)) { |
2697 | SV *sv = sv_newmortal(); | |
2698 | Perl_sv_setpvf(aTHX_ sv, "_<(%.10seval %lu)[%s:%"IVdf"]", | |
2699 | code, (unsigned long)++PL_evalseq, | |
2700 | CopFILE(PL_curcop), (IV)CopLINE(PL_curcop)); | |
2701 | tmpbuf = SvPVX(sv); | |
2702 | } | |
2703 | else | |
2704 | sprintf(tmpbuf, "_<(%.10s_eval %lu)", code, (unsigned long)++PL_evalseq); | |
f4dd75d9 | 2705 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 2706 | CopFILE_set(&PL_compiling, tmpbuf+2); |
f4dd75d9 | 2707 | SAVECOPLINE(&PL_compiling); |
57843af0 | 2708 | CopLINE_set(&PL_compiling, 1); |
c277df42 IZ |
2709 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
2710 | deleting the eval's FILEGV from the stash before gv_check() runs | |
2711 | (i.e. before run-time proper). To work around the coredump that | |
2712 | ensues, we always turn GvMULTI_on for any globals that were | |
2713 | introduced within evals. See force_ident(). GSAR 96-10-12 */ | |
2714 | safestr = savepv(tmpbuf); | |
3280af22 | 2715 | SAVEDELETE(PL_defstash, safestr, strlen(safestr)); |
b3ac6de7 | 2716 | SAVEHINTS(); |
d1ca3daa | 2717 | #ifdef OP_IN_REGISTER |
6b88bc9c | 2718 | PL_opsave = op; |
d1ca3daa | 2719 | #else |
7766f137 | 2720 | SAVEVPTR(PL_op); |
d1ca3daa | 2721 | #endif |
1aa99e6b | 2722 | PL_hints &= HINT_UTF8; |
c277df42 | 2723 | |
a3985cdc DM |
2724 | /* we get here either during compilation, or via pp_regcomp at runtime */ |
2725 | runtime = PL_op && (PL_op->op_type == OP_REGCOMP); | |
2726 | if (runtime) | |
d819b83a | 2727 | runcv = find_runcv(NULL); |
a3985cdc | 2728 | |
533c011a | 2729 | PL_op = &dummy; |
13b51b79 | 2730 | PL_op->op_type = OP_ENTEREVAL; |
533c011a | 2731 | PL_op->op_flags = 0; /* Avoid uninit warning. */ |
160cb429 | 2732 | PUSHBLOCK(cx, CXt_EVAL|(PL_curcop == &PL_compiling ? 0 : CXp_REAL), SP); |
cc49e20b | 2733 | PUSHEVAL(cx, 0, Nullgv); |
a3985cdc DM |
2734 | |
2735 | if (runtime) | |
2736 | rop = doeval(G_SCALAR, startop, runcv, PL_curcop->cop_seq); | |
2737 | else | |
2738 | rop = doeval(G_SCALAR, startop, PL_compcv, PL_cop_seqmax); | |
13b51b79 | 2739 | POPBLOCK(cx,PL_curpm); |
e84b9f1f | 2740 | POPEVAL(cx); |
c277df42 IZ |
2741 | |
2742 | (*startop)->op_type = OP_NULL; | |
22c35a8c | 2743 | (*startop)->op_ppaddr = PL_ppaddr[OP_NULL]; |
c277df42 | 2744 | lex_end(); |
f3548bdc DM |
2745 | /* XXX DAPM do this properly one year */ |
2746 | *padp = (AV*)SvREFCNT_inc(PL_comppad); | |
c277df42 | 2747 | LEAVE; |
13b51b79 | 2748 | if (PL_curcop == &PL_compiling) |
eb160463 | 2749 | PL_compiling.op_private = (U8)(PL_hints & HINT_PRIVATE_MASK); |
d1ca3daa | 2750 | #ifdef OP_IN_REGISTER |
6b88bc9c | 2751 | op = PL_opsave; |
d1ca3daa | 2752 | #endif |
c277df42 IZ |
2753 | return rop; |
2754 | } | |
2755 | ||
a3985cdc DM |
2756 | |
2757 | /* | |
2758 | =for apidoc find_runcv | |
2759 | ||
2760 | Locate the CV corresponding to the currently executing sub or eval. | |
d819b83a DM |
2761 | If db_seqp is non_null, skip CVs that are in the DB package and populate |
2762 | *db_seqp with the cop sequence number at the point that the DB:: code was | |
2763 | entered. (allows debuggers to eval in the scope of the breakpoint rather | |
2764 | than in in the scope of the debuger itself). | |
a3985cdc DM |
2765 | |
2766 | =cut | |
2767 | */ | |
2768 | ||
2769 | CV* | |
d819b83a | 2770 | Perl_find_runcv(pTHX_ U32 *db_seqp) |
a3985cdc DM |
2771 | { |
2772 | I32 ix; | |
2773 | PERL_SI *si; | |
2774 | PERL_CONTEXT *cx; | |
2775 | ||
d819b83a DM |
2776 | if (db_seqp) |
2777 | *db_seqp = PL_curcop->cop_seq; | |
a3985cdc DM |
2778 | for (si = PL_curstackinfo; si; si = si->si_prev) { |
2779 | for (ix = si->si_cxix; ix >= 0; ix--) { | |
2780 | cx = &(si->si_cxstack[ix]); | |
d819b83a DM |
2781 | if (CxTYPE(cx) == CXt_SUB || CxTYPE(cx) == CXt_FORMAT) { |
2782 | CV *cv = cx->blk_sub.cv; | |
2783 | /* skip DB:: code */ | |
2784 | if (db_seqp && PL_debstash && CvSTASH(cv) == PL_debstash) { | |
2785 | *db_seqp = cx->blk_oldcop->cop_seq; | |
2786 | continue; | |
2787 | } | |
2788 | return cv; | |
2789 | } | |
a3985cdc DM |
2790 | else if (CxTYPE(cx) == CXt_EVAL && !CxTRYBLOCK(cx)) |
2791 | return PL_compcv; | |
2792 | } | |
2793 | } | |
2794 | return PL_main_cv; | |
2795 | } | |
2796 | ||
2797 | ||
2798 | /* Compile a require/do, an eval '', or a /(?{...})/. | |
2799 | * In the last case, startop is non-null, and contains the address of | |
2800 | * a pointer that should be set to the just-compiled code. | |
2801 | * outside is the lexically enclosing CV (if any) that invoked us. | |
2802 | */ | |
2803 | ||
4d1ff10f | 2804 | /* With USE_5005THREADS, eval_owner must be held on entry to doeval */ |
0824fdcb | 2805 | STATIC OP * |
a3985cdc | 2806 | S_doeval(pTHX_ int gimme, OP** startop, CV* outside, U32 seq) |
a0d0e21e LW |
2807 | { |
2808 | dSP; | |
533c011a | 2809 | OP *saveop = PL_op; |
a0d0e21e | 2810 | |
6dc8a9e4 IZ |
2811 | PL_in_eval = ((saveop && saveop->op_type == OP_REQUIRE) |
2812 | ? (EVAL_INREQUIRE | (PL_in_eval & EVAL_INEVAL)) | |
2813 | : EVAL_INEVAL); | |
a0d0e21e | 2814 | |
1ce6579f | 2815 | PUSHMARK(SP); |
2816 | ||
3280af22 NIS |
2817 | SAVESPTR(PL_compcv); |
2818 | PL_compcv = (CV*)NEWSV(1104,0); | |
2819 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
1aff0e91 | 2820 | CvEVAL_on(PL_compcv); |
2090ab20 JH |
2821 | assert(CxTYPE(&cxstack[cxstack_ix]) == CXt_EVAL); |
2822 | cxstack[cxstack_ix].blk_eval.cv = PL_compcv; | |
2823 | ||
a3985cdc | 2824 | CvOUTSIDE_SEQ(PL_compcv) = seq; |
7dafbf52 | 2825 | CvOUTSIDE(PL_compcv) = (CV*)SvREFCNT_inc(outside); |
a3985cdc | 2826 | |
dd2155a4 | 2827 | /* set up a scratch pad */ |
a0d0e21e | 2828 | |
dd2155a4 | 2829 | CvPADLIST(PL_compcv) = pad_new(padnew_SAVE); |
2c05e328 | 2830 | |
07055b4c | 2831 | |
26d9b02f | 2832 | SAVEMORTALIZESV(PL_compcv); /* must remain until end of current statement */ |
748a9306 | 2833 | |
a0d0e21e LW |
2834 | /* make sure we compile in the right package */ |
2835 | ||
ed094faf | 2836 | if (CopSTASH_ne(PL_curcop, PL_curstash)) { |
3280af22 | 2837 | SAVESPTR(PL_curstash); |
ed094faf | 2838 | PL_curstash = CopSTASH(PL_curcop); |
a0d0e21e | 2839 | } |
3280af22 NIS |
2840 | SAVESPTR(PL_beginav); |
2841 | PL_beginav = newAV(); | |
2842 | SAVEFREESV(PL_beginav); | |
24944567 | 2843 | SAVEI32(PL_error_count); |
a0d0e21e LW |
2844 | |
2845 | /* try to compile it */ | |
2846 | ||
3280af22 NIS |
2847 | PL_eval_root = Nullop; |
2848 | PL_error_count = 0; | |
2849 | PL_curcop = &PL_compiling; | |
2850 | PL_curcop->cop_arybase = 0; | |
c277df42 | 2851 | if (saveop && saveop->op_flags & OPf_SPECIAL) |
faef0170 | 2852 | PL_in_eval |= EVAL_KEEPERR; |
1ce6579f | 2853 | else |
38a03e6e | 2854 | sv_setpv(ERRSV,""); |
3280af22 | 2855 | if (yyparse() || PL_error_count || !PL_eval_root) { |
a0d0e21e LW |
2856 | SV **newsp; |
2857 | I32 gimme; | |
c09156bb | 2858 | PERL_CONTEXT *cx; |
c277df42 | 2859 | I32 optype = 0; /* Might be reset by POPEVAL. */ |
2d8e6c8d | 2860 | STRLEN n_a; |
097ee67d | 2861 | |
533c011a | 2862 | PL_op = saveop; |
3280af22 NIS |
2863 | if (PL_eval_root) { |
2864 | op_free(PL_eval_root); | |
2865 | PL_eval_root = Nullop; | |
a0d0e21e | 2866 | } |
3280af22 | 2867 | SP = PL_stack_base + POPMARK; /* pop original mark */ |
c277df42 | 2868 | if (!startop) { |
3280af22 | 2869 | POPBLOCK(cx,PL_curpm); |
c277df42 IZ |
2870 | POPEVAL(cx); |
2871 | pop_return(); | |
2872 | } | |
a0d0e21e LW |
2873 | lex_end(); |
2874 | LEAVE; | |
7a2e2cd6 | 2875 | if (optype == OP_REQUIRE) { |
2d8e6c8d | 2876 | char* msg = SvPVx(ERRSV, n_a); |
5a844595 GS |
2877 | DIE(aTHX_ "%sCompilation failed in require", |
2878 | *msg ? msg : "Unknown error\n"); | |
2879 | } | |
2880 | else if (startop) { | |
2d8e6c8d | 2881 | char* msg = SvPVx(ERRSV, n_a); |
c277df42 | 2882 | |
3280af22 | 2883 | POPBLOCK(cx,PL_curpm); |
c277df42 | 2884 | POPEVAL(cx); |
5a844595 GS |
2885 | Perl_croak(aTHX_ "%sCompilation failed in regexp", |
2886 | (*msg ? msg : "Unknown error\n")); | |
7a2e2cd6 | 2887 | } |
9d7f88dd SR |
2888 | else { |
2889 | char* msg = SvPVx(ERRSV, n_a); | |
2890 | if (!*msg) { | |
2891 | sv_setpv(ERRSV, "Compilation error"); | |
2892 | } | |
2893 | } | |
a0d0e21e LW |
2894 | RETPUSHUNDEF; |
2895 | } | |
57843af0 | 2896 | CopLINE_set(&PL_compiling, 0); |
c277df42 | 2897 | if (startop) { |
3280af22 | 2898 | *startop = PL_eval_root; |
c277df42 | 2899 | } else |
3280af22 | 2900 | SAVEFREEOP(PL_eval_root); |
a89be09a RGS |
2901 | if (gimme & G_VOID && ! PL_in_eval & EVAL_INREQUIRE) |
2902 | /* | |
2903 | * EVAL_INREQUIRE (the code is being required) is special-cased : | |
2904 | * in this case we want scalar context to be forced, instead | |
2905 | * of void context, so a proper return value is returned from | |
2906 | * C<require> via this leaveeval op. | |
2907 | */ | |
3280af22 | 2908 | scalarvoid(PL_eval_root); |
54310121 | 2909 | else if (gimme & G_ARRAY) |
3280af22 | 2910 | list(PL_eval_root); |
a0d0e21e | 2911 | else |
3280af22 | 2912 | scalar(PL_eval_root); |
a0d0e21e LW |
2913 | |
2914 | DEBUG_x(dump_eval()); | |
2915 | ||
55497cff | 2916 | /* Register with debugger: */ |
84902520 | 2917 | if (PERLDB_INTER && saveop->op_type == OP_REQUIRE) { |
864dbfa3 | 2918 | CV *cv = get_cv("DB::postponed", FALSE); |
55497cff | 2919 | if (cv) { |
2920 | dSP; | |
924508f0 | 2921 | PUSHMARK(SP); |
cc49e20b | 2922 | XPUSHs((SV*)CopFILEGV(&PL_compiling)); |
55497cff | 2923 | PUTBACK; |
864dbfa3 | 2924 | call_sv((SV*)cv, G_DISCARD); |
55497cff | 2925 | } |
2926 | } | |
2927 | ||
a0d0e21e LW |
2928 | /* compiled okay, so do it */ |
2929 | ||
3280af22 NIS |
2930 | CvDEPTH(PL_compcv) = 1; |
2931 | SP = PL_stack_base + POPMARK; /* pop original mark */ | |
533c011a | 2932 | PL_op = saveop; /* The caller may need it. */ |
6dc8a9e4 | 2933 | PL_lex_state = LEX_NOTPARSING; /* $^S needs this. */ |
5dc0d613 | 2934 | |
3280af22 | 2935 | RETURNOP(PL_eval_start); |
a0d0e21e LW |
2936 | } |
2937 | ||
a6c40364 | 2938 | STATIC PerlIO * |
7925835c | 2939 | S_doopen_pm(pTHX_ const char *name, const char *mode) |
b295d113 | 2940 | { |
7925835c | 2941 | #ifndef PERL_DISABLE_PMC |
b295d113 TH |
2942 | STRLEN namelen = strlen(name); |
2943 | PerlIO *fp; | |
2944 | ||
7894fbab | 2945 | if (namelen > 3 && strEQ(name + namelen - 3, ".pm")) { |
cea2e8a9 | 2946 | SV *pmcsv = Perl_newSVpvf(aTHX_ "%s%c", name, 'c'); |
b295d113 TH |
2947 | char *pmc = SvPV_nolen(pmcsv); |
2948 | Stat_t pmstat; | |
a6c40364 GS |
2949 | Stat_t pmcstat; |
2950 | if (PerlLIO_stat(pmc, &pmcstat) < 0) { | |
b295d113 | 2951 | fp = PerlIO_open(name, mode); |
a6c40364 GS |
2952 | } |
2953 | else { | |
b295d113 | 2954 | if (PerlLIO_stat(name, &pmstat) < 0 || |
a6c40364 GS |
2955 | pmstat.st_mtime < pmcstat.st_mtime) |
2956 | { | |
2957 | fp = PerlIO_open(pmc, mode); | |
2958 | } | |
2959 | else { | |
2960 | fp = PerlIO_open(name, mode); | |
2961 | } | |
b295d113 | 2962 | } |
a6c40364 GS |
2963 | SvREFCNT_dec(pmcsv); |
2964 | } | |
2965 | else { | |
2966 | fp = PerlIO_open(name, mode); | |
b295d113 | 2967 | } |
b295d113 | 2968 | return fp; |
7925835c RGS |
2969 | #else |
2970 | return PerlIO_open(name, mode); | |
2971 | #endif /* !PERL_DISABLE_PMC */ | |
b295d113 TH |
2972 | } |
2973 | ||
a0d0e21e LW |
2974 | PP(pp_require) |
2975 | { | |
39644a26 | 2976 | dSP; |
c09156bb | 2977 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
2978 | SV *sv; |
2979 | char *name; | |
6132ea6c | 2980 | STRLEN len; |
9c5ffd7c | 2981 | char *tryname = Nullch; |
46fc3d4c | 2982 | SV *namesv = Nullsv; |
a0d0e21e | 2983 | SV** svp; |
986b19de | 2984 | I32 gimme = GIMME_V; |
760ac839 | 2985 | PerlIO *tryrsfp = 0; |
2d8e6c8d | 2986 | STRLEN n_a; |
bbed91b5 KF |
2987 | int filter_has_file = 0; |
2988 | GV *filter_child_proc = 0; | |
2989 | SV *filter_state = 0; | |
2990 | SV *filter_sub = 0; | |
89ccab8c | 2991 | SV *hook_sv = 0; |
6ec9efec JH |
2992 | SV *encoding; |
2993 | OP *op; | |
a0d0e21e LW |
2994 | |
2995 | sv = POPs; | |
d4a8e56c | 2996 | if (SvNIOKp(sv) && PL_op->op_type != OP_DOFILE) { |
f684db92 | 2997 | if (SvPOK(sv) && SvNOK(sv) && SvNV(sv)) { /* require v5.6.1 */ |
4305d8ab | 2998 | UV rev = 0, ver = 0, sver = 0; |
ba210ebe | 2999 | STRLEN len; |
a7cb1f99 GS |
3000 | U8 *s = (U8*)SvPVX(sv); |
3001 | U8 *end = (U8*)SvPVX(sv) + SvCUR(sv); | |
3002 | if (s < end) { | |
9041c2e3 | 3003 | rev = utf8n_to_uvchr(s, end - s, &len, 0); |
a7cb1f99 GS |
3004 | s += len; |
3005 | if (s < end) { | |
9041c2e3 | 3006 | ver = utf8n_to_uvchr(s, end - s, &len, 0); |
a7cb1f99 GS |
3007 | s += len; |
3008 | if (s < end) | |
9041c2e3 | 3009 | sver = utf8n_to_uvchr(s, end - s, &len, 0); |
a7cb1f99 | 3010 | } |
a7cb1f99 | 3011 | } |
a7cb1f99 GS |
3012 | if (PERL_REVISION < rev |
3013 | || (PERL_REVISION == rev | |
3014 | && (PERL_VERSION < ver | |
3015 | || (PERL_VERSION == ver | |
3016 | && PERL_SUBVERSION < sver)))) | |
3017 | { | |
cc507455 | 3018 | DIE(aTHX_ "Perl v%"UVuf".%"UVuf".%"UVuf" required--this is only " |
894356b3 | 3019 | "v%d.%d.%d, stopped", rev, ver, sver, PERL_REVISION, |
a7cb1f99 GS |
3020 | PERL_VERSION, PERL_SUBVERSION); |
3021 | } | |
e3407aba | 3022 | if (ckWARN(WARN_PORTABLE)) |
9014280d | 3023 | Perl_warner(aTHX_ packWARN(WARN_PORTABLE), |
e3407aba | 3024 | "v-string in use/require non-portable"); |
4305d8ab | 3025 | RETPUSHYES; |
a7cb1f99 GS |
3026 | } |
3027 | else if (!SvPOKp(sv)) { /* require 5.005_03 */ | |
a7cb1f99 GS |
3028 | if ((NV)PERL_REVISION + ((NV)PERL_VERSION/(NV)1000) |
3029 | + ((NV)PERL_SUBVERSION/(NV)1000000) | |
3030 | + 0.00000099 < SvNV(sv)) | |
3031 | { | |
dbe7b177 GS |
3032 | NV nrev = SvNV(sv); |
3033 | UV rev = (UV)nrev; | |
3034 | NV nver = (nrev - rev) * 1000; | |
3035 | UV ver = (UV)(nver + 0.0009); | |
3036 | NV nsver = (nver - ver) * 1000; | |
3037 | UV sver = (UV)(nsver + 0.0009); | |
3038 | ||
cc507455 GS |
3039 | /* help out with the "use 5.6" confusion */ |
3040 | if (sver == 0 && (rev > 5 || (rev == 5 && ver >= 100))) { | |
fd7c7598 PN |
3041 | DIE(aTHX_ "Perl v%"UVuf".%"UVuf".%"UVuf" required" |
3042 | " (did you mean v%"UVuf".%03"UVuf"?)--" | |
3043 | "this is only v%d.%d.%d, stopped", | |
5dacba13 PN |
3044 | rev, ver, sver, rev, ver/100, |
3045 | PERL_REVISION, PERL_VERSION, PERL_SUBVERSION); | |
cc507455 GS |
3046 | } |
3047 | else { | |
3048 | DIE(aTHX_ "Perl v%"UVuf".%"UVuf".%"UVuf" required--" | |
3049 | "this is only v%d.%d.%d, stopped", | |
3050 | rev, ver, sver, PERL_REVISION, PERL_VERSION, | |
3051 | PERL_SUBVERSION); | |
3052 | } | |
a7cb1f99 | 3053 | } |
4305d8ab | 3054 | RETPUSHYES; |
a7cb1f99 | 3055 | } |
a0d0e21e | 3056 | } |
6132ea6c GS |
3057 | name = SvPV(sv, len); |
3058 | if (!(name && len > 0 && *name)) | |
cea2e8a9 | 3059 | DIE(aTHX_ "Null filename used"); |
4633a7c4 | 3060 | TAINT_PROPER("require"); |
533c011a | 3061 | if (PL_op->op_type == OP_REQUIRE && |
3280af22 NIS |
3062 | (svp = hv_fetch(GvHVn(PL_incgv), name, len, 0)) && |
3063 | *svp != &PL_sv_undef) | |
a0d0e21e LW |
3064 | RETPUSHYES; |
3065 | ||
3066 | /* prepare to compile file */ | |
3067 | ||
be4b629d | 3068 | if (path_is_absolute(name)) { |
46fc3d4c | 3069 | tryname = name; |
7925835c | 3070 | tryrsfp = doopen_pm(name,PERL_SCRIPT_MODE); |
bf4acbe4 | 3071 | } |
67627c52 JH |
3072 | #ifdef MACOS_TRADITIONAL |
3073 | if (!tryrsfp) { | |
3074 | char newname[256]; | |
3075 | ||
3076 | MacPerl_CanonDir(name, newname, 1); | |
3077 | if (path_is_absolute(newname)) { | |
3078 | tryname = newname; | |
7925835c | 3079 | tryrsfp = doopen_pm(newname,PERL_SCRIPT_MODE); |
67627c52 JH |
3080 | } |
3081 | } | |
3082 | #endif | |
be4b629d | 3083 | if (!tryrsfp) { |
3280af22 | 3084 | AV *ar = GvAVn(PL_incgv); |
a0d0e21e | 3085 | I32 i; |
748a9306 | 3086 | #ifdef VMS |
46fc3d4c | 3087 | char *unixname; |
3088 | if ((unixname = tounixspec(name, Nullch)) != Nullch) | |
3089 | #endif | |
3090 | { | |
3091 | namesv = NEWSV(806, 0); | |
3092 | for (i = 0; i <= AvFILL(ar); i++) { | |
bbed91b5 KF |
3093 | SV *dirsv = *av_fetch(ar, i, TRUE); |
3094 | ||
3095 | if (SvROK(dirsv)) { | |
3096 | int count; | |
3097 | SV *loader = dirsv; | |
3098 | ||
e14e2dc8 NC |
3099 | if (SvTYPE(SvRV(loader)) == SVt_PVAV |
3100 | && !sv_isobject(loader)) | |
3101 | { | |
bbed91b5 KF |
3102 | loader = *av_fetch((AV *)SvRV(loader), 0, TRUE); |
3103 | } | |
3104 | ||
b900a521 | 3105 | Perl_sv_setpvf(aTHX_ namesv, "/loader/0x%"UVxf"/%s", |
44f0be63 | 3106 | PTR2UV(SvRV(dirsv)), name); |
bbed91b5 KF |
3107 | tryname = SvPVX(namesv); |
3108 | tryrsfp = 0; | |
3109 | ||
3110 | ENTER; | |
3111 | SAVETMPS; | |
3112 | EXTEND(SP, 2); | |
3113 | ||
3114 | PUSHMARK(SP); | |
3115 | PUSHs(dirsv); | |
3116 | PUSHs(sv); | |
3117 | PUTBACK; | |
e982885c NC |
3118 | if (sv_isobject(loader)) |
3119 | count = call_method("INC", G_ARRAY); | |
3120 | else | |
3121 | count = call_sv(loader, G_ARRAY); | |
bbed91b5 KF |
3122 | SPAGAIN; |
3123 | ||
3124 | if (count > 0) { | |
3125 | int i = 0; | |
3126 | SV *arg; | |
3127 | ||
3128 | SP -= count - 1; | |
3129 | arg = SP[i++]; | |
3130 | ||
3131 | if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVGV) { | |
3132 | arg = SvRV(arg); | |
3133 | } | |
3134 | ||
3135 | if (SvTYPE(arg) == SVt_PVGV) { | |
3136 | IO *io = GvIO((GV *)arg); | |
3137 | ||
3138 | ++filter_has_file; | |
3139 | ||
3140 | if (io) { | |
3141 | tryrsfp = IoIFP(io); | |
50952442 | 3142 | if (IoTYPE(io) == IoTYPE_PIPE) { |
bbed91b5 KF |
3143 | /* reading from a child process doesn't |
3144 | nest -- when returning from reading | |
3145 | the inner module, the outer one is | |
3146 | unreadable (closed?) I've tried to | |
3147 | save the gv to manage the lifespan of | |
3148 | the pipe, but this didn't help. XXX */ | |
3149 | filter_child_proc = (GV *)arg; | |
520c758a | 3150 | (void)SvREFCNT_inc(filter_child_proc); |
bbed91b5 KF |
3151 | } |
3152 | else { | |
3153 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { | |
3154 | PerlIO_close(IoOFP(io)); | |
3155 | } | |
3156 | IoIFP(io) = Nullfp; | |
3157 | IoOFP(io) = Nullfp; | |
3158 | } | |
3159 | } | |
3160 | ||
3161 | if (i < count) { | |
3162 | arg = SP[i++]; | |
3163 | } | |
3164 | } | |
3165 | ||
3166 | if (SvROK(arg) && SvTYPE(SvRV(arg)) == SVt_PVCV) { | |
3167 | filter_sub = arg; | |
520c758a | 3168 | (void)SvREFCNT_inc(filter_sub); |
bbed91b5 KF |
3169 | |
3170 | if (i < count) { | |
3171 | filter_state = SP[i]; | |
520c758a | 3172 | (void)SvREFCNT_inc(filter_state); |
bbed91b5 KF |
3173 | } |
3174 | ||
3175 | if (tryrsfp == 0) { | |
3176 | tryrsfp = PerlIO_open("/dev/null", | |
3177 | PERL_SCRIPT_MODE); | |
3178 | } | |
3179 | } | |
3180 | } | |
3181 | ||
3182 | PUTBACK; | |
3183 | FREETMPS; | |
3184 | LEAVE; | |
3185 | ||
3186 | if (tryrsfp) { | |
89ccab8c | 3187 | hook_sv = dirsv; |
bbed91b5 KF |
3188 | break; |
3189 | } | |
3190 | ||
3191 | filter_has_file = 0; | |
3192 | if (filter_child_proc) { | |
3193 | SvREFCNT_dec(filter_child_proc); | |
3194 | filter_child_proc = 0; | |
3195 | } | |
3196 | if (filter_state) { | |
3197 | SvREFCNT_dec(filter_state); | |
3198 | filter_state = 0; | |
3199 | } | |
3200 | if (filter_sub) { | |
3201 | SvREFCNT_dec(filter_sub); | |
3202 | filter_sub = 0; | |
3203 | } | |
3204 | } | |
3205 | else { | |
be4b629d CN |
3206 | if (!path_is_absolute(name) |
3207 | #ifdef MACOS_TRADITIONAL | |
3208 | /* We consider paths of the form :a:b ambiguous and interpret them first | |
3209 | as global then as local | |
3210 | */ | |
3211 | || (*name == ':' && name[1] != ':' && strchr(name+2, ':')) | |
3212 | #endif | |
3213 | ) { | |
bbed91b5 | 3214 | char *dir = SvPVx(dirsv, n_a); |
bf4acbe4 | 3215 | #ifdef MACOS_TRADITIONAL |
67627c52 JH |
3216 | char buf1[256]; |
3217 | char buf2[256]; | |
3218 | ||
3219 | MacPerl_CanonDir(name, buf2, 1); | |
3220 | Perl_sv_setpvf(aTHX_ namesv, "%s%s", MacPerl_CanonDir(dir, buf1, 0), buf2+(buf2[0] == ':')); | |
bf4acbe4 | 3221 | #else |
46fc3d4c | 3222 | #ifdef VMS |
bbed91b5 KF |
3223 | char *unixdir; |
3224 | if ((unixdir = tounixpath(dir, Nullch)) == Nullch) | |
3225 | continue; | |
3226 | sv_setpv(namesv, unixdir); | |
3227 | sv_catpv(namesv, unixname); | |
748a9306 | 3228 | #else |
bbed91b5 | 3229 | Perl_sv_setpvf(aTHX_ namesv, "%s/%s", dir, name); |
748a9306 | 3230 | #endif |
bf4acbe4 | 3231 | #endif |
bbed91b5 KF |
3232 | TAINT_PROPER("require"); |
3233 | tryname = SvPVX(namesv); | |
7925835c | 3234 | tryrsfp = doopen_pm(tryname, PERL_SCRIPT_MODE); |
bbed91b5 KF |
3235 | if (tryrsfp) { |
3236 | if (tryname[0] == '.' && tryname[1] == '/') | |
3237 | tryname += 2; | |
3238 | break; | |
3239 | } | |
be4b629d | 3240 | } |
46fc3d4c | 3241 | } |
a0d0e21e LW |
3242 | } |
3243 | } | |
3244 | } | |
f4dd75d9 | 3245 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 3246 | CopFILE_set(&PL_compiling, tryrsfp ? tryname : name); |
46fc3d4c | 3247 | SvREFCNT_dec(namesv); |
a0d0e21e | 3248 | if (!tryrsfp) { |
533c011a | 3249 | if (PL_op->op_type == OP_REQUIRE) { |
ec889f3a GS |
3250 | char *msgstr = name; |
3251 | if (namesv) { /* did we lookup @INC? */ | |
3252 | SV *msg = sv_2mortal(newSVpv(msgstr,0)); | |
3253 | SV *dirmsgsv = NEWSV(0, 0); | |
3254 | AV *ar = GvAVn(PL_incgv); | |
3255 | I32 i; | |
3256 | sv_catpvn(msg, " in @INC", 8); | |
3257 | if (instr(SvPVX(msg), ".h ")) | |
3258 | sv_catpv(msg, " (change .h to .ph maybe?)"); | |
3259 | if (instr(SvPVX(msg), ".ph ")) | |
3260 | sv_catpv(msg, " (did you run h2ph?)"); | |
3261 | sv_catpv(msg, " (@INC contains:"); | |
3262 | for (i = 0; i <= AvFILL(ar); i++) { | |
3263 | char *dir = SvPVx(*av_fetch(ar, i, TRUE), n_a); | |
cea2e8a9 | 3264 | Perl_sv_setpvf(aTHX_ dirmsgsv, " %s", dir); |
ec889f3a GS |
3265 | sv_catsv(msg, dirmsgsv); |
3266 | } | |
3267 | sv_catpvn(msg, ")", 1); | |
3268 | SvREFCNT_dec(dirmsgsv); | |
3269 | msgstr = SvPV_nolen(msg); | |
2683423c | 3270 | } |
ea071790 | 3271 | DIE(aTHX_ "Can't locate %s", msgstr); |
a0d0e21e LW |
3272 | } |
3273 | ||
3274 | RETPUSHUNDEF; | |
3275 | } | |
d8bfb8bd | 3276 | else |
93189314 | 3277 | SETERRNO(0, SS_NORMAL); |
a0d0e21e LW |
3278 | |
3279 | /* Assume success here to prevent recursive requirement. */ | |
d3a4e64e RGS |
3280 | len = strlen(name); |
3281 | /* Check whether a hook in @INC has already filled %INC */ | |
3282 | if (!hook_sv || !(svp = hv_fetch(GvHVn(PL_incgv), name, len, 0))) { | |
3283 | (void)hv_store(GvHVn(PL_incgv), name, len, | |
3284 | (hook_sv ? SvREFCNT_inc(hook_sv) | |
3285 | : newSVpv(CopFILE(&PL_compiling), 0)), | |
3286 | 0 ); | |
3287 | } | |
a0d0e21e LW |
3288 | |
3289 | ENTER; | |
3290 | SAVETMPS; | |
79cb57f6 | 3291 | lex_start(sv_2mortal(newSVpvn("",0))); |
b9d12d37 GS |
3292 | SAVEGENERICSV(PL_rsfp_filters); |
3293 | PL_rsfp_filters = Nullav; | |
e50aee73 | 3294 | |
3280af22 | 3295 | PL_rsfp = tryrsfp; |
b3ac6de7 | 3296 | SAVEHINTS(); |
3280af22 | 3297 | PL_hints = 0; |
7766f137 | 3298 | SAVESPTR(PL_compiling.cop_warnings); |
0453d815 | 3299 | if (PL_dowarn & G_WARN_ALL_ON) |
d3a7d8c7 | 3300 | PL_compiling.cop_warnings = pWARN_ALL ; |
0453d815 | 3301 | else if (PL_dowarn & G_WARN_ALL_OFF) |
d3a7d8c7 | 3302 | PL_compiling.cop_warnings = pWARN_NONE ; |
317ea90d MS |
3303 | else if (PL_taint_warn) |
3304 | PL_compiling.cop_warnings = newSVpvn(WARN_TAINTstring, WARNsize); | |
ac27b0f5 | 3305 | else |
d3a7d8c7 | 3306 | PL_compiling.cop_warnings = pWARN_STD ; |
ac27b0f5 NIS |
3307 | SAVESPTR(PL_compiling.cop_io); |
3308 | PL_compiling.cop_io = Nullsv; | |
a0d0e21e | 3309 | |
bbed91b5 KF |
3310 | if (filter_sub || filter_child_proc) { |
3311 | SV *datasv = filter_add(run_user_filter, Nullsv); | |
3312 | IoLINES(datasv) = filter_has_file; | |
3313 | IoFMT_GV(datasv) = (GV *)filter_child_proc; | |
3314 | IoTOP_GV(datasv) = (GV *)filter_state; | |
3315 | IoBOTTOM_GV(datasv) = (GV *)filter_sub; | |
3316 | } | |
3317 | ||
3318 | /* switch to eval mode */ | |
533c011a | 3319 | push_return(PL_op->op_next); |
a0d0e21e | 3320 | PUSHBLOCK(cx, CXt_EVAL, SP); |
cc49e20b | 3321 | PUSHEVAL(cx, name, Nullgv); |
a0d0e21e | 3322 | |
57843af0 GS |
3323 | SAVECOPLINE(&PL_compiling); |
3324 | CopLINE_set(&PL_compiling, 0); | |
a0d0e21e LW |
3325 | |
3326 | PUTBACK; | |
6ec9efec JH |
3327 | |
3328 | /* Store and reset encoding. */ | |
3329 | encoding = PL_encoding; | |
3330 | PL_encoding = Nullsv; | |
3331 | ||
a3985cdc | 3332 | op = DOCATCH(doeval(gimme, NULL, Nullcv, PL_curcop->cop_seq)); |
6ec9efec JH |
3333 | |
3334 | /* Restore encoding. */ | |
3335 | PL_encoding = encoding; | |
3336 | ||
3337 | return op; | |
a0d0e21e LW |
3338 | } |
3339 | ||
3340 | PP(pp_dofile) | |
3341 | { | |
cea2e8a9 | 3342 | return pp_require(); |
a0d0e21e LW |
3343 | } |
3344 | ||
3345 | PP(pp_entereval) | |
3346 | { | |
39644a26 | 3347 | dSP; |
c09156bb | 3348 | register PERL_CONTEXT *cx; |
a0d0e21e | 3349 | dPOPss; |
3280af22 | 3350 | I32 gimme = GIMME_V, was = PL_sub_generation; |
83ee9e09 GS |
3351 | char tbuf[TYPE_DIGITS(long) + 12]; |
3352 | char *tmpbuf = tbuf; | |
fc36a67e | 3353 | char *safestr; |
a0d0e21e | 3354 | STRLEN len; |
55497cff | 3355 | OP *ret; |
a3985cdc | 3356 | CV* runcv; |
d819b83a | 3357 | U32 seq; |
a0d0e21e | 3358 | |
16a5162e | 3359 | if (!SvPV(sv,len)) |
a0d0e21e | 3360 | RETPUSHUNDEF; |
748a9306 | 3361 | TAINT_PROPER("eval"); |
a0d0e21e LW |
3362 | |
3363 | ENTER; | |
a0d0e21e | 3364 | lex_start(sv); |
748a9306 | 3365 | SAVETMPS; |
ac27b0f5 | 3366 | |
a0d0e21e LW |
3367 | /* switch to eval mode */ |
3368 | ||
83ee9e09 GS |
3369 | if (PERLDB_NAMEEVAL && CopLINE(PL_curcop)) { |
3370 | SV *sv = sv_newmortal(); | |
3371 | Perl_sv_setpvf(aTHX_ sv, "_<(eval %lu)[%s:%"IVdf"]", | |
3372 | (unsigned long)++PL_evalseq, | |
3373 | CopFILE(PL_curcop), (IV)CopLINE(PL_curcop)); | |
3374 | tmpbuf = SvPVX(sv); | |
3375 | } | |
3376 | else | |
3377 | sprintf(tmpbuf, "_<(eval %lu)", (unsigned long)++PL_evalseq); | |
f4dd75d9 | 3378 | SAVECOPFILE_FREE(&PL_compiling); |
57843af0 | 3379 | CopFILE_set(&PL_compiling, tmpbuf+2); |
f4dd75d9 | 3380 | SAVECOPLINE(&PL_compiling); |
57843af0 | 3381 | CopLINE_set(&PL_compiling, 1); |
55497cff | 3382 | /* XXX For C<eval "...">s within BEGIN {} blocks, this ends up |
3383 | deleting the eval's FILEGV from the stash before gv_check() runs | |
3384 | (i.e. before run-time proper). To work around the coredump that | |
3385 | ensues, we always turn GvMULTI_on for any globals that were | |
3386 | introduced within evals. See force_ident(). GSAR 96-10-12 */ | |
3387 | safestr = savepv(tmpbuf); | |
3280af22 | 3388 | SAVEDELETE(PL_defstash, safestr, strlen(safestr)); |
b3ac6de7 | 3389 | SAVEHINTS(); |
533c011a | 3390 | PL_hints = PL_op->op_targ; |
7766f137 | 3391 | SAVESPTR(PL_compiling.cop_warnings); |
f0a6fc86 GS |
3392 | if (specialWARN(PL_curcop->cop_warnings)) |
3393 | PL_compiling.cop_warnings = PL_curcop->cop_warnings; | |
3394 | else { | |
3395 | PL_compiling.cop_warnings = newSVsv(PL_curcop->cop_warnings); | |
3396 | SAVEFREESV(PL_compiling.cop_warnings); | |
599cee73 | 3397 | } |
ac27b0f5 NIS |
3398 | SAVESPTR(PL_compiling.cop_io); |
3399 | if (specialCopIO(PL_curcop->cop_io)) | |
3400 | PL_compiling.cop_io = PL_curcop->cop_io; | |
3401 | else { | |
3402 | PL_compiling.cop_io = newSVsv(PL_curcop->cop_io); | |
3403 | SAVEFREESV(PL_compiling.cop_io); | |
3404 | } | |
d819b83a DM |
3405 | /* special case: an eval '' executed within the DB package gets lexically |
3406 | * placed in the first non-DB CV rather than the current CV - this | |
3407 | * allows the debugger to execute code, find lexicals etc, in the | |
3408 | * scope of the code being debugged. Passing &seq gets find_runcv | |
3409 | * to do the dirty work for us */ | |
3410 | runcv = find_runcv(&seq); | |
a0d0e21e | 3411 | |
533c011a | 3412 | push_return(PL_op->op_next); |
6b35e009 | 3413 | PUSHBLOCK(cx, (CXt_EVAL|CXp_REAL), SP); |
cc49e20b | 3414 | PUSHEVAL(cx, 0, Nullgv); |
a0d0e21e LW |
3415 | |
3416 | /* prepare to compile string */ | |
3417 | ||
3280af22 | 3418 | if (PERLDB_LINE && PL_curstash != PL_debstash) |
cc49e20b | 3419 | save_lines(CopFILEAV(&PL_compiling), PL_linestr); |
a0d0e21e | 3420 | PUTBACK; |
d819b83a | 3421 | ret = doeval(gimme, NULL, runcv, seq); |
eb160463 | 3422 | if (PERLDB_INTER && was != (I32)PL_sub_generation /* Some subs defined here. */ |
533c011a | 3423 | && ret != PL_op->op_next) { /* Successive compilation. */ |
55497cff | 3424 | strcpy(safestr, "_<(eval )"); /* Anything fake and short. */ |
3425 | } | |
1e422769 | 3426 | return DOCATCH(ret); |
a0d0e21e LW |
3427 | } |
3428 | ||
3429 | PP(pp_leaveeval) | |
3430 | { | |
39644a26 | 3431 | dSP; |
a0d0e21e LW |
3432 | register SV **mark; |
3433 | SV **newsp; | |
3434 | PMOP *newpm; | |
3435 | I32 gimme; | |
c09156bb | 3436 | register PERL_CONTEXT *cx; |
a0d0e21e | 3437 | OP *retop; |
533c011a | 3438 | U8 save_flags = PL_op -> op_flags; |
a0d0e21e LW |
3439 | I32 optype; |
3440 | ||
3441 | POPBLOCK(cx,newpm); | |
3442 | POPEVAL(cx); | |
3443 | retop = pop_return(); | |
3444 | ||
a1f49e72 | 3445 | TAINT_NOT; |
54310121 | 3446 | if (gimme == G_VOID) |
3447 | MARK = newsp; | |
3448 | else if (gimme == G_SCALAR) { | |
3449 | MARK = newsp + 1; | |
3450 | if (MARK <= SP) { | |
3451 | if (SvFLAGS(TOPs) & SVs_TEMP) | |
3452 | *MARK = TOPs; | |
3453 | else | |
3454 | *MARK = sv_mortalcopy(TOPs); | |
3455 | } | |
a0d0e21e | 3456 | else { |
54310121 | 3457 | MEXTEND(mark,0); |
3280af22 | 3458 | *MARK = &PL_sv_undef; |
a0d0e21e | 3459 | } |
a7ec2b44 | 3460 | SP = MARK; |
a0d0e21e LW |
3461 | } |
3462 | else { | |
a1f49e72 CS |
3463 | /* in case LEAVE wipes old return values */ |
3464 | for (mark = newsp + 1; mark <= SP; mark++) { | |
3465 | if (!(SvFLAGS(*mark) & SVs_TEMP)) { | |
a0d0e21e | 3466 | *mark = sv_mortalcopy(*mark); |
a1f49e72 CS |
3467 | TAINT_NOT; /* Each item is independent */ |
3468 | } | |
3469 | } | |
a0d0e21e | 3470 | } |
3280af22 | 3471 | PL_curpm = newpm; /* Don't pop $1 et al till now */ |
a0d0e21e | 3472 | |
4fdae800 | 3473 | #ifdef DEBUGGING |
3280af22 | 3474 | assert(CvDEPTH(PL_compcv) == 1); |
4fdae800 | 3475 | #endif |
3280af22 | 3476 | CvDEPTH(PL_compcv) = 0; |
f46d017c | 3477 | lex_end(); |
4fdae800 | 3478 | |
1ce6579f | 3479 | if (optype == OP_REQUIRE && |
924508f0 | 3480 | !(gimme == G_SCALAR ? SvTRUE(*SP) : SP > newsp)) |
54310121 | 3481 | { |
1ce6579f | 3482 | /* Unassume the success we assumed earlier. */ |
0f79a09d GS |
3483 | SV *nsv = cx->blk_eval.old_namesv; |
3484 | (void)hv_delete(GvHVn(PL_incgv), SvPVX(nsv), SvCUR(nsv), G_DISCARD); | |
35c1215d | 3485 | retop = Perl_die(aTHX_ "%"SVf" did not return a true value", nsv); |
f46d017c GS |
3486 | /* die_where() did LEAVE, or we won't be here */ |
3487 | } | |
3488 | else { | |
3489 | LEAVE; | |
3490 | if (!(save_flags & OPf_SPECIAL)) | |
3491 | sv_setpv(ERRSV,""); | |
a0d0e21e | 3492 | } |
a0d0e21e LW |
3493 | |
3494 | RETURNOP(retop); | |
3495 | } | |
3496 | ||
a0d0e21e LW |
3497 | PP(pp_entertry) |
3498 | { | |
39644a26 | 3499 | dSP; |
c09156bb | 3500 | register PERL_CONTEXT *cx; |
54310121 | 3501 | I32 gimme = GIMME_V; |
a0d0e21e LW |
3502 | |
3503 | ENTER; | |
3504 | SAVETMPS; | |
3505 | ||
3506 | push_return(cLOGOP->op_other->op_next); | |
1d76a5c3 | 3507 | PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), SP); |
a0d0e21e | 3508 | PUSHEVAL(cx, 0, 0); |
a0d0e21e | 3509 | |
faef0170 | 3510 | PL_in_eval = EVAL_INEVAL; |
38a03e6e | 3511 | sv_setpv(ERRSV,""); |
1e422769 | 3512 | PUTBACK; |
533c011a | 3513 | return DOCATCH(PL_op->op_next); |
a0d0e21e LW |
3514 | } |
3515 | ||
3516 | PP(pp_leavetry) | |
3517 | { | |
39644a26 | 3518 | dSP; |
a0d0e21e LW |
3519 | register SV **mark; |
3520 | SV **newsp; | |
3521 | PMOP *newpm; | |
8bffa5f8 | 3522 | OP* retop; |
a0d0e21e | 3523 | I32 gimme; |
c09156bb | 3524 | register PERL_CONTEXT *cx; |
a0d0e21e LW |
3525 | I32 optype; |
3526 | ||
3527 | POPBLOCK(cx,newpm); | |
3528 | POPEVAL(cx); | |
8bffa5f8 | 3529 | retop = pop_return(); |
a0d0e21e | 3530 | |
a1f49e72 | 3531 | TAINT_NOT; |
54310121 | 3532 | if (gimme == G_VOID) |
3533 | SP = newsp; | |
3534 | else if (gimme == G_SCALAR) { | |
3535 | MARK = newsp + 1; | |
3536 | if (MARK <= SP) { | |
3537 | if (SvFLAGS(TOPs) & (SVs_PADTMP|SVs_TEMP)) | |
3538 | *MARK = TOPs; | |
3539 | else | |
3540 | *MARK = sv_mortalcopy(TOPs); | |
3541 | } | |
a0d0e21e | 3542 | else { |
54310121 | 3543 | MEXTEND(mark,0); |
3280af22 | 3544 | *MARK = &PL_sv_undef; |
a0d0e21e LW |
3545 | } |
3546 | SP = MARK; | |
3547 | } | |
3548 | else { | |
a1f49e72 CS |
3549 | /* in case LEAVE wipes old return values */ |
3550 | for (mark = newsp + 1; mark <= SP; mark++) { | |
3551 | if (!(SvFLAGS(*mark) & (SVs_PADTMP|SVs_TEMP))) { | |
a0d0e21e | 3552 | *mark = sv_mortalcopy(*mark); |
a1f49e72 CS |
3553 | TAINT_NOT; /* Each item is independent */ |
3554 | } | |
3555 | } | |
a0d0e21e | 3556 | } |
3280af22 | 3557 | PL_curpm = newpm; /* Don't pop $1 et al till now */ |
a0d0e21e LW |
3558 | |
3559 | LEAVE; | |
38a03e6e | 3560 | sv_setpv(ERRSV,""); |
8bffa5f8 | 3561 | RETURNOP(retop); |
a0d0e21e LW |
3562 | } |
3563 | ||
0824fdcb | 3564 | STATIC void |
cea2e8a9 | 3565 | S_doparseform(pTHX_ SV *sv) |
a0d0e21e LW |
3566 | { |
3567 | STRLEN len; | |
3568 | register char *s = SvPV_force(sv, len); | |
3569 | register char *send = s + len; | |
9c5ffd7c | 3570 | register char *base = Nullch; |
a0d0e21e | 3571 | register I32 skipspaces = 0; |
9c5ffd7c JH |
3572 | bool noblank = FALSE; |
3573 | bool repeat = FALSE; | |
a0d0e21e LW |
3574 | bool postspace = FALSE; |
3575 | U16 *fops; | |
3576 | register U16 *fpc; | |
9c5ffd7c | 3577 | U16 *linepc = 0; |
a0d0e21e LW |
3578 | register I32 arg; |
3579 | bool ischop; | |
815f25c6 | 3580 | int maxops = 2; /* FF_LINEMARK + FF_END) */ |
a0d0e21e | 3581 | |
55497cff | 3582 | if (len == 0) |
cea2e8a9 | 3583 | Perl_croak(aTHX_ "Null picture in formline"); |
ac27b0f5 | 3584 | |
815f25c6 DM |
3585 | /* estimate the buffer size needed */ |
3586 | for (base = s; s <= send; s++) { | |
3587 | if (*s == '\n' || *s == '@' || *s == '^') | |
3588 | maxops += 10; | |
3589 | } | |
3590 | s = base; | |
3591 | base = Nullch; | |
3592 | ||
3593 | New(804, fops, maxops, U16); | |
a0d0e21e LW |
3594 | fpc = fops; |
3595 | ||
3596 | if (s < send) { | |
3597 | linepc = fpc; | |
3598 | *fpc++ = FF_LINEMARK; | |
3599 | noblank = repeat = FALSE; | |
3600 | base = s; | |
3601 | } | |
3602 | ||
3603 | while (s <= send) { | |
3604 | switch (*s++) { | |
3605 | default: | |
3606 | skipspaces = 0; | |
3607 | continue; | |
3608 | ||
3609 | case '~': | |
3610 | if (*s == '~') { | |
3611 | repeat = TRUE; | |
3612 | *s = ' '; | |
3613 | } | |
3614 | noblank = TRUE; | |
3615 | s[-1] = ' '; | |
3616 | /* FALL THROUGH */ | |
3617 | case ' ': case '\t': | |
3618 | skipspaces++; | |
3619 | continue; | |
ac27b0f5 | 3620 | |
a0d0e21e LW |
3621 | case '\n': case 0: |
3622 | arg = s - base; | |
3623 | skipspaces++; | |
3624 | arg -= skipspaces; | |
3625 | if (arg) { | |
5f05dabc | 3626 | if (postspace) |
a0d0e21e | 3627 | *fpc++ = FF_SPACE; |
a0d0e21e | 3628 | *fpc++ = FF_LITERAL; |
eb160463 | 3629 | *fpc++ = (U16)arg; |
a0d0e21e | 3630 | } |
5f05dabc | 3631 | postspace = FALSE; |
a0d0e21e LW |
3632 | if (s <= send) |
3633 | skipspaces--; | |
3634 | if (skipspaces) { | |
3635 | *fpc++ = FF_SKIP; | |
eb160463 | 3636 | *fpc++ = (U16)skipspaces; |
a0d0e21e LW |
3637 | } |
3638 | skipspaces = 0; | |
3639 | if (s <= send) | |
3640 | *fpc++ = FF_NEWLINE; | |
3641 | if (noblank) { | |
3642 | *fpc++ = FF_BLANK; | |
3643 | if (repeat) | |
3644 | arg = fpc - linepc + 1; | |
3645 | else | |
3646 | arg = 0; | |
eb160463 | 3647 | *fpc++ = (U16)arg; |
a0d0e21e LW |
3648 | } |
3649 | if (s < send) { | |
3650 | linepc = fpc; | |
3651 | *fpc++ = FF_LINEMARK; | |
3652 | noblank = repeat = FALSE; | |
3653 | base = s; | |
3654 | } | |
3655 | else | |
3656 | s++; | |
3657 | continue; | |
3658 | ||
3659 | case '@': | |
3660 | case '^': | |
3661 | ischop = s[-1] == '^'; | |
3662 | ||
3663 | if (postspace) { | |
3664 | *fpc++ = FF_SPACE; | |
3665 | postspace = FALSE; | |
3666 | } | |
3667 | arg = (s - base) - 1; | |
3668 | if (arg) { | |
3669 | *fpc++ = FF_LITERAL; | |
eb160463 | 3670 | *fpc++ = (U16)arg; |
a0d0e21e LW |
3671 | } |
3672 | ||
3673 | base = s - 1; | |
3674 | *fpc++ = FF_FETCH; | |
3675 | if (*s == '*') { | |
3676 | s++; | |
3677 | *fpc++ = 0; | |
3678 | *fpc++ = FF_LINEGLOB; | |
3679 | } | |
3680 | else if (*s == '#' || (*s == '.' && s[1] == '#')) { | |
3681 | arg = ischop ? 512 : 0; | |
3682 | base = s - 1; | |
3683 | while (*s == '#') | |
3684 | s++; | |
3685 | if (*s == '.') { | |
3686 | char *f; | |
3687 | s++; | |
3688 | f = s; | |
3689 | while (*s == '#') | |
3690 | s++; | |
3691 | arg |= 256 + (s - f); | |
3692 | } | |
3693 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
3694 | *fpc++ = FF_DECIMAL; | |
eb160463 | 3695 | *fpc++ = (U16)arg; |
784707d5 JP |
3696 | } |
3697 | else if (*s == '0' && s[1] == '#') { /* Zero padded decimals */ | |
3698 | arg = ischop ? 512 : 0; | |
3699 | base = s - 1; | |
3700 | s++; /* skip the '0' first */ | |
3701 | while (*s == '#') | |
3702 | s++; | |
3703 | if (*s == '.') { | |
3704 | char *f; | |
3705 | s++; | |
3706 | f = s; | |
3707 | while (*s == '#') | |
3708 | s++; | |
3709 | arg |= 256 + (s - f); | |
3710 | } | |
3711 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
3712 | *fpc++ = FF_0DECIMAL; | |
eb160463 | 3713 | *fpc++ = (U16)arg; |
a0d0e21e LW |
3714 | } |
3715 | else { | |
3716 | I32 prespace = 0; | |
3717 | bool ismore = FALSE; | |
3718 | ||
3719 | if (*s == '>') { | |
3720 | while (*++s == '>') ; | |
3721 | prespace = FF_SPACE; | |
3722 | } | |
3723 | else if (*s == '|') { | |
3724 | while (*++s == '|') ; | |
3725 | prespace = FF_HALFSPACE; | |
3726 | postspace = TRUE; | |
3727 | } | |
3728 | else { | |
3729 | if (*s == '<') | |
3730 | while (*++s == '<') ; | |
3731 | postspace = TRUE; | |
3732 | } | |
3733 | if (*s == '.' && s[1] == '.' && s[2] == '.') { | |
3734 | s += 3; | |
3735 | ismore = TRUE; | |
3736 | } | |
3737 | *fpc++ = s - base; /* fieldsize for FETCH */ | |
3738 | ||
3739 | *fpc++ = ischop ? FF_CHECKCHOP : FF_CHECKNL; | |
3740 | ||
3741 | if (prespace) | |
eb160463 | 3742 | *fpc++ = (U16)prespace; |
a0d0e21e LW |
3743 | *fpc++ = FF_ITEM; |
3744 | if (ismore) | |
3745 | *fpc++ = FF_MORE; | |
3746 | if (ischop) | |
3747 | *fpc++ = FF_CHOP; | |
3748 | } | |
3749 | base = s; | |
3750 | skipspaces = 0; | |
3751 | continue; | |
3752 | } | |
3753 | } | |
3754 | *fpc++ = FF_END; | |
3755 | ||
815f25c6 | 3756 | assert (fpc <= fops + maxops); /* ensure our buffer estimate was valid */ |
a0d0e21e LW |
3757 | arg = fpc - fops; |
3758 | { /* need to jump to the next word */ | |
3759 | int z; | |
3760 | z = WORD_ALIGN - SvCUR(sv) % WORD_ALIGN; | |
3761 | SvGROW(sv, SvCUR(sv) + z + arg * sizeof(U16) + 4); | |
3762 | s = SvPVX(sv) + SvCUR(sv) + z; | |
3763 | } | |
3764 | Copy(fops, s, arg, U16); | |
3765 | Safefree(fops); | |
14befaf4 | 3766 | sv_magic(sv, Nullsv, PERL_MAGIC_fm, Nullch, 0); |
a0d0e21e LW |
3767 | SvCOMPILED_on(sv); |
3768 | } | |
4e35701f | 3769 | |
bbed91b5 | 3770 | static I32 |
acfe0abc | 3771 | run_user_filter(pTHX_ int idx, SV *buf_sv, int maxlen) |
bbed91b5 KF |
3772 | { |
3773 | SV *datasv = FILTER_DATA(idx); | |
3774 | int filter_has_file = IoLINES(datasv); | |
3775 | GV *filter_child_proc = (GV *)IoFMT_GV(datasv); | |
3776 | SV *filter_state = (SV *)IoTOP_GV(datasv); | |
3777 | SV *filter_sub = (SV *)IoBOTTOM_GV(datasv); | |
3778 | int len = 0; | |
3779 | ||
3780 | /* I was having segfault trouble under Linux 2.2.5 after a | |
3781 | parse error occured. (Had to hack around it with a test | |
3782 | for PL_error_count == 0.) Solaris doesn't segfault -- | |
3783 | not sure where the trouble is yet. XXX */ | |
3784 | ||
3785 | if (filter_has_file) { | |
3786 | len = FILTER_READ(idx+1, buf_sv, maxlen); | |
3787 | } | |
3788 | ||
3789 | if (filter_sub && len >= 0) { | |
39644a26 | 3790 | dSP; |
bbed91b5 KF |
3791 | int count; |
3792 | ||
3793 | ENTER; | |
3794 | SAVE_DEFSV; | |
3795 | SAVETMPS; | |
3796 | EXTEND(SP, 2); | |
3797 | ||
3798 | DEFSV = buf_sv; | |
3799 | PUSHMARK(SP); | |
3800 | PUSHs(sv_2mortal(newSViv(maxlen))); | |
3801 | if (filter_state) { | |
3802 | PUSHs(filter_state); | |
3803 | } | |
3804 | PUTBACK; | |
3805 | count = call_sv(filter_sub, G_SCALAR); | |
3806 | SPAGAIN; | |
3807 | ||
3808 | if (count > 0) { | |
3809 | SV *out = POPs; | |
3810 | if (SvOK(out)) { | |
3811 | len = SvIV(out); | |
3812 | } | |
3813 | } | |
3814 | ||
3815 | PUTBACK; | |
3816 | FREETMPS; | |
3817 | LEAVE; | |
3818 | } | |
3819 | ||
3820 | if (len <= 0) { | |
3821 | IoLINES(datasv) = 0; | |
3822 | if (filter_child_proc) { | |
3823 | SvREFCNT_dec(filter_child_proc); | |
3824 | IoFMT_GV(datasv) = Nullgv; | |
3825 | } | |
3826 | if (filter_state) { | |
3827 | SvREFCNT_dec(filter_state); | |
3828 | IoTOP_GV(datasv) = Nullgv; | |
3829 | } | |
3830 | if (filter_sub) { | |
3831 | SvREFCNT_dec(filter_sub); | |
3832 | IoBOTTOM_GV(datasv) = Nullgv; | |
3833 | } | |
3834 | filter_del(run_user_filter); | |
3835 | } | |
3836 | ||
3837 | return len; | |
3838 | } | |
84d4ea48 | 3839 | |
be4b629d CN |
3840 | /* perhaps someone can come up with a better name for |
3841 | this? it is not really "absolute", per se ... */ | |
cf42f822 JH |
3842 | static bool |
3843 | S_path_is_absolute(pTHX_ char *name) | |
be4b629d CN |
3844 | { |
3845 | if (PERL_FILE_IS_ABSOLUTE(name) | |
3846 | #ifdef MACOS_TRADITIONAL | |
67627c52 | 3847 | || (*name == ':')) |
be4b629d CN |
3848 | #else |
3849 | || (*name == '.' && (name[1] == '/' || | |
3850 | (name[1] == '.' && name[2] == '/')))) | |
3851 | #endif | |
3852 | { | |
3853 | return TRUE; | |
3854 | } | |
3855 | else | |
3856 | return FALSE; | |
3857 | } |