https://perl5.git.perl.org / perl5.git / blame
| Commit | Line | Data |
|---|---|---|
| a0d0e21e | 1 | /* pp.c |
| 79072805 | 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 | |
| 79072805 | 5 | * |
| a0d0e21e LW |
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. | |
| 79072805 | 8 | * |
| a0d0e21e LW |
9 | */ |
| 10 | ||
| 11 | /* | |
| 12 | * "It's a big house this, and very peculiar. Always a bit more to discover, | |
| 13 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise | |
| 14 | */ | |
| 79072805 LW |
15 | |
| 16 | #include "EXTERN.h" | |
| 864dbfa3 | 17 | #define PERL_IN_PP_C |
| 79072805 | 18 | #include "perl.h" |
| 77bc9082 | 19 | #include "keywords.h" |
| 79072805 | 20 | |
| a4af207c JH |
21 | #include "reentr.h" |
| 22 | ||
| dfe9444c AD |
23 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ |
| 24 | it, since pid_t is an integral type. | |
| 25 | --AD 2/20/1998 | |
| 26 | */ | |
| 27 | #ifdef NEED_GETPID_PROTO | |
| 28 | extern Pid_t getpid (void); | |
| 8ac85365 NIS |
29 | #endif |
| 30 | ||
| 13017935 SM |
31 | /* variations on pp_null */ |
| 32 | ||
| 93a17b20 LW |
33 | PP(pp_stub) |
| 34 | { | |
| 39644a26 | 35 | dSP; |
| 54310121 | 36 | if (GIMME_V == G_SCALAR) |
| 3280af22 | 37 | XPUSHs(&PL_sv_undef); |
| 93a17b20 LW |
38 | RETURN; |
| 39 | } | |
| 40 | ||
| 79072805 LW |
41 | PP(pp_scalar) |
| 42 | { | |
| 43 | return NORMAL; | |
| 44 | } | |
| 45 | ||
| 46 | /* Pushy stuff. */ | |
| 47 | ||
| 93a17b20 LW |
48 | PP(pp_padav) |
| 49 | { | |
| 39644a26 | 50 | dSP; dTARGET; |
| 13017935 | 51 | I32 gimme; |
| 533c011a | 52 | if (PL_op->op_private & OPpLVAL_INTRO) |
| dd2155a4 | 53 | SAVECLEARSV(PAD_SVl(PL_op->op_targ)); |
| 85e6fe83 | 54 | EXTEND(SP, 1); |
| 533c011a | 55 | if (PL_op->op_flags & OPf_REF) { |
| 85e6fe83 | 56 | PUSHs(TARG); |
| 93a17b20 | 57 | RETURN; |
| 78f9721b SM |
58 | } else if (LVRET) { |
| 59 | if (GIMME == G_SCALAR) | |
| 60 | Perl_croak(aTHX_ "Can't return array to lvalue scalar context"); | |
| 61 | PUSHs(TARG); | |
| 62 | RETURN; | |
| 85e6fe83 | 63 | } |
| 13017935 SM |
64 | gimme = GIMME_V; |
| 65 | if (gimme == G_ARRAY) { | |
| 85e6fe83 LW |
66 | I32 maxarg = AvFILL((AV*)TARG) + 1; |
| 67 | EXTEND(SP, maxarg); | |
| 93965878 NIS |
68 | if (SvMAGICAL(TARG)) { |
| 69 | U32 i; | |
| eb160463 | 70 | for (i=0; i < (U32)maxarg; i++) { |
| 93965878 | 71 | SV **svp = av_fetch((AV*)TARG, i, FALSE); |
| 3280af22 | 72 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
| 93965878 NIS |
73 | } |
| 74 | } | |
| 75 | else { | |
| 76 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
| 77 | } | |
| 85e6fe83 LW |
78 | SP += maxarg; |
| 79 | } | |
| 13017935 | 80 | else if (gimme == G_SCALAR) { |
| 85e6fe83 LW |
81 | SV* sv = sv_newmortal(); |
| 82 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
| 83 | sv_setiv(sv, maxarg); | |
| 84 | PUSHs(sv); | |
| 85 | } | |
| 86 | RETURN; | |
| 93a17b20 LW |
87 | } |
| 88 | ||
| 89 | PP(pp_padhv) | |
| 90 | { | |
| 39644a26 | 91 | dSP; dTARGET; |
| 54310121 | 92 | I32 gimme; |
| 93 | ||
| 93a17b20 | 94 | XPUSHs(TARG); |
| 533c011a | 95 | if (PL_op->op_private & OPpLVAL_INTRO) |
| dd2155a4 | 96 | SAVECLEARSV(PAD_SVl(PL_op->op_targ)); |
| 533c011a | 97 | if (PL_op->op_flags & OPf_REF) |
| 93a17b20 | 98 | RETURN; |
| 78f9721b SM |
99 | else if (LVRET) { |
| 100 | if (GIMME == G_SCALAR) | |
| 101 | Perl_croak(aTHX_ "Can't return hash to lvalue scalar context"); | |
| 102 | RETURN; | |
| 103 | } | |
| 54310121 | 104 | gimme = GIMME_V; |
| 105 | if (gimme == G_ARRAY) { | |
| cea2e8a9 | 106 | RETURNOP(do_kv()); |
| 85e6fe83 | 107 | } |
| 54310121 | 108 | else if (gimme == G_SCALAR) { |
| 85e6fe83 | 109 | SV* sv = sv_newmortal(); |
| 126c71c8 YST |
110 | if (SvRMAGICAL(TARG) && mg_find(TARG, PERL_MAGIC_tied)) |
| 111 | Perl_croak(aTHX_ "Can't provide tied hash usage; " | |
| 112 | "use keys(%%hash) to test if empty"); | |
| 46fc3d4c | 113 | if (HvFILL((HV*)TARG)) |
| cea2e8a9 | 114 | Perl_sv_setpvf(aTHX_ sv, "%ld/%ld", |
| 46fc3d4c | 115 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); |
| 85e6fe83 LW |
116 | else |
| 117 | sv_setiv(sv, 0); | |
| 118 | SETs(sv); | |
| 85e6fe83 | 119 | } |
| 54310121 | 120 | RETURN; |
| 93a17b20 LW |
121 | } |
| 122 | ||
| ed6116ce LW |
123 | PP(pp_padany) |
| 124 | { | |
| cea2e8a9 | 125 | DIE(aTHX_ "NOT IMPL LINE %d",__LINE__); |
| ed6116ce LW |
126 | } |
| 127 | ||
| 79072805 LW |
128 | /* Translations. */ |
| 129 | ||
| 130 | PP(pp_rv2gv) | |
| 131 | { | |
| 39644a26 | 132 | dSP; dTOPss; |
| 8ec5e241 | 133 | |
| ed6116ce | 134 | if (SvROK(sv)) { |
| a0d0e21e | 135 | wasref: |
| f5284f61 IZ |
136 | tryAMAGICunDEREF(to_gv); |
| 137 | ||
| ed6116ce | 138 | sv = SvRV(sv); |
| b1dadf13 | 139 | if (SvTYPE(sv) == SVt_PVIO) { |
| 140 | GV *gv = (GV*) sv_newmortal(); | |
| 141 | gv_init(gv, 0, "", 0, 0); | |
| 142 | GvIOp(gv) = (IO *)sv; | |
| 3e3baf6d | 143 | (void)SvREFCNT_inc(sv); |
| b1dadf13 | 144 | sv = (SV*) gv; |
| ef54e1a4 JH |
145 | } |
| 146 | else if (SvTYPE(sv) != SVt_PVGV) | |
| cea2e8a9 | 147 | DIE(aTHX_ "Not a GLOB reference"); |
| 79072805 LW |
148 | } |
| 149 | else { | |
| 93a17b20 | 150 | if (SvTYPE(sv) != SVt_PVGV) { |
| 748a9306 | 151 | char *sym; |
| c9d5ac95 | 152 | STRLEN len; |
| 748a9306 | 153 | |
| a0d0e21e LW |
154 | if (SvGMAGICAL(sv)) { |
| 155 | mg_get(sv); | |
| 156 | if (SvROK(sv)) | |
| 157 | goto wasref; | |
| 158 | } | |
| afd1915d | 159 | if (!SvOK(sv) && sv != &PL_sv_undef) { |
| b13b2135 | 160 | /* If this is a 'my' scalar and flag is set then vivify |
| 853846ea | 161 | * NI-S 1999/05/07 |
| b13b2135 | 162 | */ |
| 1d8d4d2a | 163 | if (PL_op->op_private & OPpDEREF) { |
| 2c8ac474 GS |
164 | char *name; |
| 165 | GV *gv; | |
| 166 | if (cUNOP->op_targ) { | |
| 167 | STRLEN len; | |
| dd2155a4 | 168 | SV *namesv = PAD_SV(cUNOP->op_targ); |
| 2c8ac474 | 169 | name = SvPV(namesv, len); |
| 2d6d9f7a | 170 | gv = (GV*)NEWSV(0,0); |
| 2c8ac474 GS |
171 | gv_init(gv, CopSTASH(PL_curcop), name, len, 0); |
| 172 | } | |
| 173 | else { | |
| 174 | name = CopSTASHPV(PL_curcop); | |
| 175 | gv = newGVgen(name); | |
| 1d8d4d2a | 176 | } |
| b13b2135 NIS |
177 | if (SvTYPE(sv) < SVt_RV) |
| 178 | sv_upgrade(sv, SVt_RV); | |
| 2c8ac474 | 179 | SvRV(sv) = (SV*)gv; |
| 853846ea | 180 | SvROK_on(sv); |
| 1d8d4d2a | 181 | SvSETMAGIC(sv); |
| 853846ea | 182 | goto wasref; |
| 2c8ac474 | 183 | } |
| 533c011a NIS |
184 | if (PL_op->op_flags & OPf_REF || |
| 185 | PL_op->op_private & HINT_STRICT_REFS) | |
| cea2e8a9 | 186 | DIE(aTHX_ PL_no_usym, "a symbol"); |
| 599cee73 | 187 | if (ckWARN(WARN_UNINITIALIZED)) |
| b89fed5f | 188 | report_uninit(); |
| a0d0e21e LW |
189 | RETSETUNDEF; |
| 190 | } | |
| c9d5ac95 | 191 | sym = SvPV(sv,len); |
| 35cd451c GS |
192 | if ((PL_op->op_flags & OPf_SPECIAL) && |
| 193 | !(PL_op->op_flags & OPf_MOD)) | |
| 194 | { | |
| 195 | sv = (SV*)gv_fetchpv(sym, FALSE, SVt_PVGV); | |
| c9d5ac95 GS |
196 | if (!sv |
| 197 | && (!is_gv_magical(sym,len,0) | |
| 198 | || !(sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV)))) | |
| 199 | { | |
| 35cd451c | 200 | RETSETUNDEF; |
| c9d5ac95 | 201 | } |
| 35cd451c GS |
202 | } |
| 203 | else { | |
| 204 | if (PL_op->op_private & HINT_STRICT_REFS) | |
| cea2e8a9 | 205 | DIE(aTHX_ PL_no_symref, sym, "a symbol"); |
| 35cd451c GS |
206 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
| 207 | } | |
| 93a17b20 | 208 | } |
| 79072805 | 209 | } |
| 533c011a NIS |
210 | if (PL_op->op_private & OPpLVAL_INTRO) |
| 211 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); | |
| 79072805 LW |
212 | SETs(sv); |
| 213 | RETURN; | |
| 214 | } | |
| 215 | ||
| 79072805 LW |
216 | PP(pp_rv2sv) |
| 217 | { | |
| 82d03984 | 218 | GV *gv = Nullgv; |
| 39644a26 | 219 | dSP; dTOPss; |
| 79072805 | 220 | |
| ed6116ce | 221 | if (SvROK(sv)) { |
| a0d0e21e | 222 | wasref: |
| f5284f61 IZ |
223 | tryAMAGICunDEREF(to_sv); |
| 224 | ||
| ed6116ce | 225 | sv = SvRV(sv); |
| 79072805 LW |
226 | switch (SvTYPE(sv)) { |
| 227 | case SVt_PVAV: | |
| 228 | case SVt_PVHV: | |
| 229 | case SVt_PVCV: | |
| cea2e8a9 | 230 | DIE(aTHX_ "Not a SCALAR reference"); |
| 79072805 LW |
231 | } |
| 232 | } | |
| 233 | else { | |
| 748a9306 | 234 | char *sym; |
| c9d5ac95 | 235 | STRLEN len; |
| 82d03984 | 236 | gv = (GV*)sv; |
| 748a9306 | 237 | |
| 463ee0b2 | 238 | if (SvTYPE(gv) != SVt_PVGV) { |
| a0d0e21e LW |
239 | if (SvGMAGICAL(sv)) { |
| 240 | mg_get(sv); | |
| 241 | if (SvROK(sv)) | |
| 242 | goto wasref; | |
| 243 | } | |
| 244 | if (!SvOK(sv)) { | |
| 533c011a NIS |
245 | if (PL_op->op_flags & OPf_REF || |
| 246 | PL_op->op_private & HINT_STRICT_REFS) | |
| cea2e8a9 | 247 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
| 599cee73 | 248 | if (ckWARN(WARN_UNINITIALIZED)) |
| b89fed5f | 249 | report_uninit(); |
| a0d0e21e LW |
250 | RETSETUNDEF; |
| 251 | } | |
| c9d5ac95 | 252 | sym = SvPV(sv, len); |
| 35cd451c GS |
253 | if ((PL_op->op_flags & OPf_SPECIAL) && |
| 254 | !(PL_op->op_flags & OPf_MOD)) | |
| 255 | { | |
| 256 | gv = (GV*)gv_fetchpv(sym, FALSE, SVt_PV); | |
| c9d5ac95 GS |
257 | if (!gv |
| 258 | && (!is_gv_magical(sym,len,0) | |
| 259 | || !(gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV)))) | |
| 260 | { | |
| 35cd451c | 261 | RETSETUNDEF; |
| c9d5ac95 | 262 | } |
| 35cd451c GS |
263 | } |
| 264 | else { | |
| 265 | if (PL_op->op_private & HINT_STRICT_REFS) | |
| cea2e8a9 | 266 | DIE(aTHX_ PL_no_symref, sym, "a SCALAR"); |
| 35cd451c GS |
267 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
| 268 | } | |
| 463ee0b2 LW |
269 | } |
| 270 | sv = GvSV(gv); | |
| a0d0e21e | 271 | } |
| 533c011a | 272 | if (PL_op->op_flags & OPf_MOD) { |
| 82d03984 RGS |
273 | if (PL_op->op_private & OPpLVAL_INTRO) { |
| 274 | if (cUNOP->op_first->op_type == OP_NULL) | |
| 275 | sv = save_scalar((GV*)TOPs); | |
| 276 | else if (gv) | |
| 277 | sv = save_scalar(gv); | |
| 278 | else | |
| 279 | Perl_croak(aTHX_ PL_no_localize_ref); | |
| 280 | } | |
| 533c011a NIS |
281 | else if (PL_op->op_private & OPpDEREF) |
| 282 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
| 79072805 | 283 | } |
| a0d0e21e | 284 | SETs(sv); |
| 79072805 LW |
285 | RETURN; |
| 286 | } | |
| 287 | ||
| 288 | PP(pp_av2arylen) | |
| 289 | { | |
| 39644a26 | 290 | dSP; |
| 79072805 LW |
291 | AV *av = (AV*)TOPs; |
| 292 | SV *sv = AvARYLEN(av); | |
| 293 | if (!sv) { | |
| 294 | AvARYLEN(av) = sv = NEWSV(0,0); | |
| 295 | sv_upgrade(sv, SVt_IV); | |
| 14befaf4 | 296 | sv_magic(sv, (SV*)av, PERL_MAGIC_arylen, Nullch, 0); |
| 79072805 LW |
297 | } |
| 298 | SETs(sv); | |
| 299 | RETURN; | |
| 300 | } | |
| 301 | ||
| a0d0e21e LW |
302 | PP(pp_pos) |
| 303 | { | |
| 39644a26 | 304 | dSP; dTARGET; dPOPss; |
| 8ec5e241 | 305 | |
| 78f9721b | 306 | if (PL_op->op_flags & OPf_MOD || LVRET) { |
| 5f05dabc | 307 | if (SvTYPE(TARG) < SVt_PVLV) { |
| 308 | sv_upgrade(TARG, SVt_PVLV); | |
| 14befaf4 | 309 | sv_magic(TARG, Nullsv, PERL_MAGIC_pos, Nullch, 0); |
| 5f05dabc | 310 | } |
| 311 | ||
| 312 | LvTYPE(TARG) = '.'; | |
| 6ff81951 GS |
313 | if (LvTARG(TARG) != sv) { |
| 314 | if (LvTARG(TARG)) | |
| 315 | SvREFCNT_dec(LvTARG(TARG)); | |
| 316 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
| 317 | } | |
| a0d0e21e LW |
318 | PUSHs(TARG); /* no SvSETMAGIC */ |
| 319 | RETURN; | |
| 320 | } | |
| 321 | else { | |
| 8ec5e241 | 322 | MAGIC* mg; |
| a0d0e21e LW |
323 | |
| 324 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
| 14befaf4 | 325 | mg = mg_find(sv, PERL_MAGIC_regex_global); |
| 565764a8 | 326 | if (mg && mg->mg_len >= 0) { |
| a0ed51b3 | 327 | I32 i = mg->mg_len; |
| 7e2040f0 | 328 | if (DO_UTF8(sv)) |
| a0ed51b3 LW |
329 | sv_pos_b2u(sv, &i); |
| 330 | PUSHi(i + PL_curcop->cop_arybase); | |
| a0d0e21e LW |
331 | RETURN; |
| 332 | } | |
| 333 | } | |
| 334 | RETPUSHUNDEF; | |
| 335 | } | |
| 336 | } | |
| 337 | ||
| 79072805 LW |
338 | PP(pp_rv2cv) |
| 339 | { | |
| 39644a26 | 340 | dSP; |
| 79072805 LW |
341 | GV *gv; |
| 342 | HV *stash; | |
| 8990e307 | 343 | |
| 4633a7c4 LW |
344 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
| 345 | /* (But not in defined().) */ | |
| 533c011a | 346 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
| 07055b4c CS |
347 | if (cv) { |
| 348 | if (CvCLONE(cv)) | |
| 349 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
| d32f2495 SC |
350 | if ((PL_op->op_private & OPpLVAL_INTRO)) { |
| 351 | if (gv && GvCV(gv) == cv && (gv = gv_autoload4(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), FALSE))) | |
| 352 | cv = GvCV(gv); | |
| 353 | if (!CvLVALUE(cv)) | |
| 354 | DIE(aTHX_ "Can't modify non-lvalue subroutine call"); | |
| 355 | } | |
| 07055b4c CS |
356 | } |
| 357 | else | |
| 3280af22 | 358 | cv = (CV*)&PL_sv_undef; |
| 79072805 LW |
359 | SETs((SV*)cv); |
| 360 | RETURN; | |
| 361 | } | |
| 362 | ||
| c07a80fd | 363 | PP(pp_prototype) |
| 364 | { | |
| 39644a26 | 365 | dSP; |
| c07a80fd | 366 | CV *cv; |
| 367 | HV *stash; | |
| 368 | GV *gv; | |
| 369 | SV *ret; | |
| 370 | ||
| 3280af22 | 371 | ret = &PL_sv_undef; |
| b6c543e3 IZ |
372 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
| 373 | char *s = SvPVX(TOPs); | |
| 374 | if (strnEQ(s, "CORE::", 6)) { | |
| 375 | int code; | |
| b13b2135 | 376 | |
| b6c543e3 IZ |
377 | code = keyword(s + 6, SvCUR(TOPs) - 6); |
| 378 | if (code < 0) { /* Overridable. */ | |
| 379 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
| 380 | int i = 0, n = 0, seen_question = 0; | |
| 381 | I32 oa; | |
| 382 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
| 383 | ||
| 77bc9082 RGS |
384 | if (code == -KEY_chop || code == -KEY_chomp) |
| 385 | goto set; | |
| b6c543e3 | 386 | while (i < MAXO) { /* The slow way. */ |
| 22c35a8c GS |
387 | if (strEQ(s + 6, PL_op_name[i]) |
| 388 | || strEQ(s + 6, PL_op_desc[i])) | |
| 389 | { | |
| b6c543e3 | 390 | goto found; |
| 22c35a8c | 391 | } |
| b6c543e3 IZ |
392 | i++; |
| 393 | } | |
| 394 | goto nonesuch; /* Should not happen... */ | |
| 395 | found: | |
| 22c35a8c | 396 | oa = PL_opargs[i] >> OASHIFT; |
| b6c543e3 | 397 | while (oa) { |
| 3012a639 | 398 | if (oa & OA_OPTIONAL && !seen_question) { |
| b6c543e3 IZ |
399 | seen_question = 1; |
| 400 | str[n++] = ';'; | |
| ef54e1a4 | 401 | } |
| b13b2135 | 402 | else if (n && str[0] == ';' && seen_question) |
| b6c543e3 | 403 | goto set; /* XXXX system, exec */ |
| b13b2135 | 404 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF |
| 6e97e420 SC |
405 | && (oa & (OA_OPTIONAL - 1)) <= OA_SCALARREF |
| 406 | /* But globs are already references (kinda) */ | |
| 407 | && (oa & (OA_OPTIONAL - 1)) != OA_FILEREF | |
| 408 | ) { | |
| b6c543e3 IZ |
409 | str[n++] = '\\'; |
| 410 | } | |
| b6c543e3 IZ |
411 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; |
| 412 | oa = oa >> 4; | |
| 413 | } | |
| 414 | str[n++] = '\0'; | |
| 79cb57f6 | 415 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
| ef54e1a4 JH |
416 | } |
| 417 | else if (code) /* Non-Overridable */ | |
| b6c543e3 IZ |
418 | goto set; |
| 419 | else { /* None such */ | |
| 420 | nonesuch: | |
| d470f89e | 421 | DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
| b6c543e3 IZ |
422 | } |
| 423 | } | |
| 424 | } | |
| c07a80fd | 425 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
| 5f05dabc | 426 | if (cv && SvPOK(cv)) |
| 79cb57f6 | 427 | ret = sv_2mortal(newSVpvn(SvPVX(cv), SvCUR(cv))); |
| b6c543e3 | 428 | set: |
| c07a80fd | 429 | SETs(ret); |
| 430 | RETURN; | |
| 431 | } | |
| 432 | ||
| a0d0e21e LW |
433 | PP(pp_anoncode) |
| 434 | { | |
| 39644a26 | 435 | dSP; |
| dd2155a4 | 436 | CV* cv = (CV*)PAD_SV(PL_op->op_targ); |
| a5f75d66 | 437 | if (CvCLONE(cv)) |
| b355b4e0 | 438 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
| 5f05dabc | 439 | EXTEND(SP,1); |
| 748a9306 | 440 | PUSHs((SV*)cv); |
| a0d0e21e LW |
441 | RETURN; |
| 442 | } | |
| 443 | ||
| 444 | PP(pp_srefgen) | |
| 79072805 | 445 | { |
| 39644a26 | 446 | dSP; |
| 71be2cbc | 447 | *SP = refto(*SP); |
| 79072805 | 448 | RETURN; |
| 8ec5e241 | 449 | } |
| a0d0e21e LW |
450 | |
| 451 | PP(pp_refgen) | |
| 452 | { | |
| 39644a26 | 453 | dSP; dMARK; |
| a0d0e21e | 454 | if (GIMME != G_ARRAY) { |
| 5f0b1d4e GS |
455 | if (++MARK <= SP) |
| 456 | *MARK = *SP; | |
| 457 | else | |
| 3280af22 | 458 | *MARK = &PL_sv_undef; |
| 5f0b1d4e GS |
459 | *MARK = refto(*MARK); |
| 460 | SP = MARK; | |
| 461 | RETURN; | |
| a0d0e21e | 462 | } |
| bbce6d69 | 463 | EXTEND_MORTAL(SP - MARK); |
| 71be2cbc | 464 | while (++MARK <= SP) |
| 465 | *MARK = refto(*MARK); | |
| a0d0e21e | 466 | RETURN; |
| 79072805 LW |
467 | } |
| 468 | ||
| 76e3520e | 469 | STATIC SV* |
| cea2e8a9 | 470 | S_refto(pTHX_ SV *sv) |
| 71be2cbc | 471 | { |
| 472 | SV* rv; | |
| 473 | ||
| 474 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
| 475 | if (LvTARGLEN(sv)) | |
| 68dc0745 | 476 | vivify_defelem(sv); |
| 477 | if (!(sv = LvTARG(sv))) | |
| 3280af22 | 478 | sv = &PL_sv_undef; |
| 0dd88869 | 479 | else |
| a6c40364 | 480 | (void)SvREFCNT_inc(sv); |
| 71be2cbc | 481 | } |
| d8b46c1b GS |
482 | else if (SvTYPE(sv) == SVt_PVAV) { |
| 483 | if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv)) | |
| 484 | av_reify((AV*)sv); | |
| 485 | SvTEMP_off(sv); | |
| 486 | (void)SvREFCNT_inc(sv); | |
| 487 | } | |
| f2933f5f DM |
488 | else if (SvPADTMP(sv) && !IS_PADGV(sv)) |
| 489 | sv = newSVsv(sv); | |
| 71be2cbc | 490 | else { |
| 491 | SvTEMP_off(sv); | |
| 492 | (void)SvREFCNT_inc(sv); | |
| 493 | } | |
| 494 | rv = sv_newmortal(); | |
| 495 | sv_upgrade(rv, SVt_RV); | |
| 496 | SvRV(rv) = sv; | |
| 497 | SvROK_on(rv); | |
| 498 | return rv; | |
| 499 | } | |
| 500 | ||
| 79072805 LW |
501 | PP(pp_ref) |
| 502 | { | |
| 39644a26 | 503 | dSP; dTARGET; |
| 463ee0b2 | 504 | SV *sv; |
| 79072805 LW |
505 | char *pv; |
| 506 | ||
| a0d0e21e | 507 | sv = POPs; |
| f12c7020 | 508 | |
| 509 | if (sv && SvGMAGICAL(sv)) | |
| 8ec5e241 | 510 | mg_get(sv); |
| f12c7020 | 511 | |
| a0d0e21e | 512 | if (!sv || !SvROK(sv)) |
| 4633a7c4 | 513 | RETPUSHNO; |
| 79072805 | 514 | |
| ed6116ce | 515 | sv = SvRV(sv); |
| a0d0e21e | 516 | pv = sv_reftype(sv,TRUE); |
| 463ee0b2 | 517 | PUSHp(pv, strlen(pv)); |
| 79072805 LW |
518 | RETURN; |
| 519 | } | |
| 520 | ||
| 521 | PP(pp_bless) | |
| 522 | { | |
| 39644a26 | 523 | dSP; |
| 463ee0b2 | 524 | HV *stash; |
| 79072805 | 525 | |
| 463ee0b2 | 526 | if (MAXARG == 1) |
| 11faa288 | 527 | stash = CopSTASH(PL_curcop); |
| 7b8d334a GS |
528 | else { |
| 529 | SV *ssv = POPs; | |
| 530 | STRLEN len; | |
| 81689caa HS |
531 | char *ptr; |
| 532 | ||
| 016a42f3 | 533 | if (ssv && !SvGMAGICAL(ssv) && !SvAMAGIC(ssv) && SvROK(ssv)) |
| 81689caa HS |
534 | Perl_croak(aTHX_ "Attempt to bless into a reference"); |
| 535 | ptr = SvPV(ssv,len); | |
| e476b1b5 | 536 | if (ckWARN(WARN_MISC) && len == 0) |
| 9014280d | 537 | Perl_warner(aTHX_ packWARN(WARN_MISC), |
| 599cee73 | 538 | "Explicit blessing to '' (assuming package main)"); |
| 7b8d334a GS |
539 | stash = gv_stashpvn(ptr, len, TRUE); |
| 540 | } | |
| a0d0e21e | 541 | |
| 5d3fdfeb | 542 | (void)sv_bless(TOPs, stash); |
| 79072805 LW |
543 | RETURN; |
| 544 | } | |
| 545 | ||
| fb73857a | 546 | PP(pp_gelem) |
| 547 | { | |
| 548 | GV *gv; | |
| 549 | SV *sv; | |
| 76e3520e | 550 | SV *tmpRef; |
| fb73857a | 551 | char *elem; |
| 39644a26 | 552 | dSP; |
| 2d8e6c8d | 553 | STRLEN n_a; |
| b13b2135 | 554 | |
| fb73857a | 555 | sv = POPs; |
| 2d8e6c8d | 556 | elem = SvPV(sv, n_a); |
| fb73857a | 557 | gv = (GV*)POPs; |
| 76e3520e | 558 | tmpRef = Nullsv; |
| fb73857a | 559 | sv = Nullsv; |
| 560 | switch (elem ? *elem : '\0') | |
| 561 | { | |
| 562 | case 'A': | |
| 563 | if (strEQ(elem, "ARRAY")) | |
| 76e3520e | 564 | tmpRef = (SV*)GvAV(gv); |
| fb73857a | 565 | break; |
| 566 | case 'C': | |
| 567 | if (strEQ(elem, "CODE")) | |
| 76e3520e | 568 | tmpRef = (SV*)GvCVu(gv); |
| fb73857a | 569 | break; |
| 570 | case 'F': | |
| 39b99f21 | 571 | if (strEQ(elem, "FILEHANDLE")) { |
| 572 | /* finally deprecated in 5.8.0 */ | |
| 9014280d | 573 | deprecate("*glob{FILEHANDLE}"); |
| 76e3520e | 574 | tmpRef = (SV*)GvIOp(gv); |
| 39b99f21 | 575 | } |
| f4d13ee9 JH |
576 | else |
| 577 | if (strEQ(elem, "FORMAT")) | |
| 578 | tmpRef = (SV*)GvFORM(gv); | |
| fb73857a | 579 | break; |
| 580 | case 'G': | |
| 581 | if (strEQ(elem, "GLOB")) | |
| 76e3520e | 582 | tmpRef = (SV*)gv; |
| fb73857a | 583 | break; |
| 584 | case 'H': | |
| 585 | if (strEQ(elem, "HASH")) | |
| 76e3520e | 586 | tmpRef = (SV*)GvHV(gv); |
| fb73857a | 587 | break; |
| 588 | case 'I': | |
| 589 | if (strEQ(elem, "IO")) | |
| 76e3520e | 590 | tmpRef = (SV*)GvIOp(gv); |
| fb73857a | 591 | break; |
| 592 | case 'N': | |
| 593 | if (strEQ(elem, "NAME")) | |
| 79cb57f6 | 594 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
| fb73857a | 595 | break; |
| 596 | case 'P': | |
| 3fc84d6d JH |
597 | if (strEQ(elem, "PACKAGE")) { |
| 598 | if (HvNAME(GvSTASH(gv))) | |
| 599 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
| 600 | else | |
| 601 | sv = newSVpv("__ANON__",0); | |
| 602 | } | |
| fb73857a | 603 | break; |
| 604 | case 'S': | |
| 605 | if (strEQ(elem, "SCALAR")) | |
| 76e3520e | 606 | tmpRef = GvSV(gv); |
| fb73857a | 607 | break; |
| 608 | } | |
| 76e3520e GS |
609 | if (tmpRef) |
| 610 | sv = newRV(tmpRef); | |
| fb73857a | 611 | if (sv) |
| 612 | sv_2mortal(sv); | |
| 613 | else | |
| 3280af22 | 614 | sv = &PL_sv_undef; |
| fb73857a | 615 | XPUSHs(sv); |
| 616 | RETURN; | |
| 617 | } | |
| 618 | ||
| a0d0e21e | 619 | /* Pattern matching */ |
| 79072805 | 620 | |
| a0d0e21e | 621 | PP(pp_study) |
| 79072805 | 622 | { |
| 39644a26 | 623 | dSP; dPOPss; |
| a0d0e21e LW |
624 | register unsigned char *s; |
| 625 | register I32 pos; | |
| 626 | register I32 ch; | |
| 627 | register I32 *sfirst; | |
| 628 | register I32 *snext; | |
| a0d0e21e LW |
629 | STRLEN len; |
| 630 | ||
| 3280af22 | 631 | if (sv == PL_lastscream) { |
| 1e422769 | 632 | if (SvSCREAM(sv)) |
| 633 | RETPUSHYES; | |
| 634 | } | |
| c07a80fd | 635 | else { |
| 3280af22 NIS |
636 | if (PL_lastscream) { |
| 637 | SvSCREAM_off(PL_lastscream); | |
| 638 | SvREFCNT_dec(PL_lastscream); | |
| c07a80fd | 639 | } |
| 3280af22 | 640 | PL_lastscream = SvREFCNT_inc(sv); |
| c07a80fd | 641 | } |
| 1e422769 | 642 | |
| 643 | s = (unsigned char*)(SvPV(sv, len)); | |
| 644 | pos = len; | |
| 645 | if (pos <= 0) | |
| 646 | RETPUSHNO; | |
| 3280af22 NIS |
647 | if (pos > PL_maxscream) { |
| 648 | if (PL_maxscream < 0) { | |
| 649 | PL_maxscream = pos + 80; | |
| 650 | New(301, PL_screamfirst, 256, I32); | |
| 651 | New(302, PL_screamnext, PL_maxscream, I32); | |
| 79072805 LW |
652 | } |
| 653 | else { | |
| 3280af22 NIS |
654 | PL_maxscream = pos + pos / 4; |
| 655 | Renew(PL_screamnext, PL_maxscream, I32); | |
| 79072805 | 656 | } |
| 79072805 | 657 | } |
| a0d0e21e | 658 | |
| 3280af22 NIS |
659 | sfirst = PL_screamfirst; |
| 660 | snext = PL_screamnext; | |
| a0d0e21e LW |
661 | |
| 662 | if (!sfirst || !snext) | |
| cea2e8a9 | 663 | DIE(aTHX_ "do_study: out of memory"); |
| a0d0e21e LW |
664 | |
| 665 | for (ch = 256; ch; --ch) | |
| 666 | *sfirst++ = -1; | |
| 667 | sfirst -= 256; | |
| 668 | ||
| 669 | while (--pos >= 0) { | |
| 670 | ch = s[pos]; | |
| 671 | if (sfirst[ch] >= 0) | |
| 672 | snext[pos] = sfirst[ch] - pos; | |
| 673 | else | |
| 674 | snext[pos] = -pos; | |
| 675 | sfirst[ch] = pos; | |
| 79072805 LW |
676 | } |
| 677 | ||
| c07a80fd | 678 | SvSCREAM_on(sv); |
| 14befaf4 DM |
679 | /* piggyback on m//g magic */ |
| 680 | sv_magic(sv, Nullsv, PERL_MAGIC_regex_global, Nullch, 0); | |
| 1e422769 | 681 | RETPUSHYES; |
| 79072805 LW |
682 | } |
| 683 | ||
| a0d0e21e | 684 | PP(pp_trans) |
| 79072805 | 685 | { |
| 39644a26 | 686 | dSP; dTARG; |
| a0d0e21e LW |
687 | SV *sv; |
| 688 | ||
| 533c011a | 689 | if (PL_op->op_flags & OPf_STACKED) |
| a0d0e21e | 690 | sv = POPs; |
| 79072805 | 691 | else { |
| 54b9620d | 692 | sv = DEFSV; |
| a0d0e21e | 693 | EXTEND(SP,1); |
| 79072805 | 694 | } |
| adbc6bb1 | 695 | TARG = sv_newmortal(); |
| 4757a243 | 696 | PUSHi(do_trans(sv)); |
| a0d0e21e | 697 | RETURN; |
| 79072805 LW |
698 | } |
| 699 | ||
| a0d0e21e | 700 | /* Lvalue operators. */ |
| 79072805 | 701 | |
| a0d0e21e LW |
702 | PP(pp_schop) |
| 703 | { | |
| 39644a26 | 704 | dSP; dTARGET; |
| a0d0e21e LW |
705 | do_chop(TARG, TOPs); |
| 706 | SETTARG; | |
| 707 | RETURN; | |
| 79072805 LW |
708 | } |
| 709 | ||
| a0d0e21e | 710 | PP(pp_chop) |
| 79072805 | 711 | { |
| 2ec6af5f RG |
712 | dSP; dMARK; dTARGET; dORIGMARK; |
| 713 | while (MARK < SP) | |
| 714 | do_chop(TARG, *++MARK); | |
| 715 | SP = ORIGMARK; | |
| a0d0e21e LW |
716 | PUSHTARG; |
| 717 | RETURN; | |
| 79072805 LW |
718 | } |
| 719 | ||
| a0d0e21e | 720 | PP(pp_schomp) |
| 79072805 | 721 | { |
| 39644a26 | 722 | dSP; dTARGET; |
| a0d0e21e LW |
723 | SETi(do_chomp(TOPs)); |
| 724 | RETURN; | |
| 79072805 LW |
725 | } |
| 726 | ||
| a0d0e21e | 727 | PP(pp_chomp) |
| 79072805 | 728 | { |
| 39644a26 | 729 | dSP; dMARK; dTARGET; |
| a0d0e21e | 730 | register I32 count = 0; |
| 8ec5e241 | 731 | |
| a0d0e21e LW |
732 | while (SP > MARK) |
| 733 | count += do_chomp(POPs); | |
| 734 | PUSHi(count); | |
| 735 | RETURN; | |
| 79072805 LW |
736 | } |
| 737 | ||
| a0d0e21e | 738 | PP(pp_defined) |
| 463ee0b2 | 739 | { |
| 39644a26 | 740 | dSP; |
| a0d0e21e LW |
741 | register SV* sv; |
| 742 | ||
| 743 | sv = POPs; | |
| 744 | if (!sv || !SvANY(sv)) | |
| 745 | RETPUSHNO; | |
| 746 | switch (SvTYPE(sv)) { | |
| 747 | case SVt_PVAV: | |
| 14befaf4 DM |
748 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) |
| 749 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
| a0d0e21e LW |
750 | RETPUSHYES; |
| 751 | break; | |
| 752 | case SVt_PVHV: | |
| 14befaf4 DM |
753 | if (HvARRAY(sv) || SvGMAGICAL(sv) |
| 754 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
| a0d0e21e LW |
755 | RETPUSHYES; |
| 756 | break; | |
| 757 | case SVt_PVCV: | |
| 758 | if (CvROOT(sv) || CvXSUB(sv)) | |
| 759 | RETPUSHYES; | |
| 760 | break; | |
| 761 | default: | |
| 762 | if (SvGMAGICAL(sv)) | |
| 763 | mg_get(sv); | |
| 764 | if (SvOK(sv)) | |
| 765 | RETPUSHYES; | |
| 766 | } | |
| 767 | RETPUSHNO; | |
| 463ee0b2 LW |
768 | } |
| 769 | ||
| a0d0e21e LW |
770 | PP(pp_undef) |
| 771 | { | |
| 39644a26 | 772 | dSP; |
| a0d0e21e LW |
773 | SV *sv; |
| 774 | ||
| 533c011a | 775 | if (!PL_op->op_private) { |
| 774d564b | 776 | EXTEND(SP, 1); |
| a0d0e21e | 777 | RETPUSHUNDEF; |
| 774d564b | 778 | } |
| 79072805 | 779 | |
| a0d0e21e LW |
780 | sv = POPs; |
| 781 | if (!sv) | |
| 782 | RETPUSHUNDEF; | |
| 85e6fe83 | 783 | |
| 765f542d | 784 | SV_CHECK_THINKFIRST_COW_DROP(sv); |
| 85e6fe83 | 785 | |
| a0d0e21e LW |
786 | switch (SvTYPE(sv)) { |
| 787 | case SVt_NULL: | |
| 788 | break; | |
| 789 | case SVt_PVAV: | |
| 790 | av_undef((AV*)sv); | |
| 791 | break; | |
| 792 | case SVt_PVHV: | |
| 793 | hv_undef((HV*)sv); | |
| 794 | break; | |
| 795 | case SVt_PVCV: | |
| e476b1b5 | 796 | if (ckWARN(WARN_MISC) && cv_const_sv((CV*)sv)) |
| 9014280d | 797 | Perl_warner(aTHX_ packWARN(WARN_MISC), "Constant subroutine %s undefined", |
| 54310121 | 798 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
| 9607fc9c | 799 | /* FALL THROUGH */ |
| 800 | case SVt_PVFM: | |
| 6fc92669 GS |
801 | { |
| 802 | /* let user-undef'd sub keep its identity */ | |
| 65c50114 | 803 | GV* gv = CvGV((CV*)sv); |
| 6fc92669 GS |
804 | cv_undef((CV*)sv); |
| 805 | CvGV((CV*)sv) = gv; | |
| 806 | } | |
| a0d0e21e | 807 | break; |
| 8e07c86e | 808 | case SVt_PVGV: |
| 44a8e56a | 809 | if (SvFAKE(sv)) |
| 3280af22 | 810 | SvSetMagicSV(sv, &PL_sv_undef); |
| 20408e3c GS |
811 | else { |
| 812 | GP *gp; | |
| 813 | gp_free((GV*)sv); | |
| 814 | Newz(602, gp, 1, GP); | |
| 815 | GvGP(sv) = gp_ref(gp); | |
| 816 | GvSV(sv) = NEWSV(72,0); | |
| 57843af0 | 817 | GvLINE(sv) = CopLINE(PL_curcop); |
| 20408e3c GS |
818 | GvEGV(sv) = (GV*)sv; |
| 819 | GvMULTI_on(sv); | |
| 820 | } | |
| 44a8e56a | 821 | break; |
| a0d0e21e | 822 | default: |
| 1e422769 | 823 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
| 4633a7c4 LW |
824 | (void)SvOOK_off(sv); |
| 825 | Safefree(SvPVX(sv)); | |
| 826 | SvPV_set(sv, Nullch); | |
| 827 | SvLEN_set(sv, 0); | |
| a0d0e21e | 828 | } |
| 4633a7c4 LW |
829 | (void)SvOK_off(sv); |
| 830 | SvSETMAGIC(sv); | |
| 79072805 | 831 | } |
| a0d0e21e LW |
832 | |
| 833 | RETPUSHUNDEF; | |
| 79072805 LW |
834 | } |
| 835 | ||
| a0d0e21e | 836 | PP(pp_predec) |
| 79072805 | 837 | { |
| 39644a26 | 838 | dSP; |
| 3510b4a1 | 839 | if (SvTYPE(TOPs) > SVt_PVLV) |
| d470f89e | 840 | DIE(aTHX_ PL_no_modify); |
| 3510b4a1 NC |
841 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
| 842 | && SvIVX(TOPs) != IV_MIN) | |
| 55497cff | 843 | { |
| 748a9306 | 844 | --SvIVX(TOPs); |
| 55497cff | 845 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 748a9306 LW |
846 | } |
| 847 | else | |
| 848 | sv_dec(TOPs); | |
| a0d0e21e LW |
849 | SvSETMAGIC(TOPs); |
| 850 | return NORMAL; | |
| 851 | } | |
| 79072805 | 852 | |
| a0d0e21e LW |
853 | PP(pp_postinc) |
| 854 | { | |
| 39644a26 | 855 | dSP; dTARGET; |
| 3510b4a1 | 856 | if (SvTYPE(TOPs) > SVt_PVLV) |
| d470f89e | 857 | DIE(aTHX_ PL_no_modify); |
| a0d0e21e | 858 | sv_setsv(TARG, TOPs); |
| 3510b4a1 NC |
859 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
| 860 | && SvIVX(TOPs) != IV_MAX) | |
| 55497cff | 861 | { |
| 748a9306 | 862 | ++SvIVX(TOPs); |
| 55497cff | 863 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 748a9306 LW |
864 | } |
| 865 | else | |
| 866 | sv_inc(TOPs); | |
| a0d0e21e | 867 | SvSETMAGIC(TOPs); |
| 1e54a23f | 868 | /* special case for undef: see thread at 2003-03/msg00536.html in archive */ |
| a0d0e21e LW |
869 | if (!SvOK(TARG)) |
| 870 | sv_setiv(TARG, 0); | |
| 871 | SETs(TARG); | |
| 872 | return NORMAL; | |
| 873 | } | |
| 79072805 | 874 | |
| a0d0e21e LW |
875 | PP(pp_postdec) |
| 876 | { | |
| 39644a26 | 877 | dSP; dTARGET; |
| 3510b4a1 | 878 | if (SvTYPE(TOPs) > SVt_PVLV) |
| d470f89e | 879 | DIE(aTHX_ PL_no_modify); |
| a0d0e21e | 880 | sv_setsv(TARG, TOPs); |
| 3510b4a1 NC |
881 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
| 882 | && SvIVX(TOPs) != IV_MIN) | |
| 55497cff | 883 | { |
| 748a9306 | 884 | --SvIVX(TOPs); |
| 55497cff | 885 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 748a9306 LW |
886 | } |
| 887 | else | |
| 888 | sv_dec(TOPs); | |
| a0d0e21e LW |
889 | SvSETMAGIC(TOPs); |
| 890 | SETs(TARG); | |
| 891 | return NORMAL; | |
| 892 | } | |
| 79072805 | 893 | |
| a0d0e21e LW |
894 | /* Ordinary operators. */ |
| 895 | ||
| 896 | PP(pp_pow) | |
| 897 | { | |
| 52a96ae6 | 898 | dSP; dATARGET; |
| 58d76dfd | 899 | #ifdef PERL_PRESERVE_IVUV |
| 52a96ae6 HS |
900 | bool is_int = 0; |
| 901 | #endif | |
| 902 | tryAMAGICbin(pow,opASSIGN); | |
| 903 | #ifdef PERL_PRESERVE_IVUV | |
| 904 | /* For integer to integer power, we do the calculation by hand wherever | |
| 905 | we're sure it is safe; otherwise we call pow() and try to convert to | |
| 906 | integer afterwards. */ | |
| 58d76dfd JH |
907 | { |
| 908 | SvIV_please(TOPm1s); | |
| 909 | if (SvIOK(TOPm1s)) { | |
| 910 | bool baseuok = SvUOK(TOPm1s); | |
| 911 | UV baseuv; | |
| 912 | ||
| 913 | if (baseuok) { | |
| 914 | baseuv = SvUVX(TOPm1s); | |
| 915 | } else { | |
| 916 | IV iv = SvIVX(TOPm1s); | |
| 917 | if (iv >= 0) { | |
| 918 | baseuv = iv; | |
| 919 | baseuok = TRUE; /* effectively it's a UV now */ | |
| 920 | } else { | |
| 921 | baseuv = -iv; /* abs, baseuok == false records sign */ | |
| 922 | } | |
| 923 | } | |
| 924 | SvIV_please(TOPs); | |
| 925 | if (SvIOK(TOPs)) { | |
| 926 | UV power; | |
| 927 | ||
| 928 | if (SvUOK(TOPs)) { | |
| 929 | power = SvUVX(TOPs); | |
| 930 | } else { | |
| 931 | IV iv = SvIVX(TOPs); | |
| 932 | if (iv >= 0) { | |
| 933 | power = iv; | |
| 934 | } else { | |
| 935 | goto float_it; /* Can't do negative powers this way. */ | |
| 936 | } | |
| 937 | } | |
| 52a96ae6 HS |
938 | /* now we have integer ** positive integer. */ |
| 939 | is_int = 1; | |
| 940 | ||
| 941 | /* foo & (foo - 1) is zero only for a power of 2. */ | |
| 58d76dfd | 942 | if (!(baseuv & (baseuv - 1))) { |
| 52a96ae6 | 943 | /* We are raising power-of-2 to a positive integer. |
| 58d76dfd JH |
944 | The logic here will work for any base (even non-integer |
| 945 | bases) but it can be less accurate than | |
| 946 | pow (base,power) or exp (power * log (base)) when the | |
| 947 | intermediate values start to spill out of the mantissa. | |
| 948 | With powers of 2 we know this can't happen. | |
| 949 | And powers of 2 are the favourite thing for perl | |
| 950 | programmers to notice ** not doing what they mean. */ | |
| 951 | NV result = 1.0; | |
| 952 | NV base = baseuok ? baseuv : -(NV)baseuv; | |
| 953 | int n = 0; | |
| 954 | ||
| 58d76dfd JH |
955 | for (; power; base *= base, n++) { |
| 956 | /* Do I look like I trust gcc with long longs here? | |
| 957 | Do I hell. */ | |
| 958 | UV bit = (UV)1 << (UV)n; | |
| 959 | if (power & bit) { | |
| 960 | result *= base; | |
| 961 | /* Only bother to clear the bit if it is set. */ | |
| 52a96ae6 | 962 | power -= bit; |
| 90fcb902 CB |
963 | /* Avoid squaring base again if we're done. */ |
| 964 | if (power == 0) break; | |
| 58d76dfd JH |
965 | } |
| 966 | } | |
| 967 | SP--; | |
| 968 | SETn( result ); | |
| 52a96ae6 | 969 | SvIV_please(TOPs); |
| 58d76dfd | 970 | RETURN; |
| 52a96ae6 HS |
971 | } else { |
| 972 | register unsigned int highbit = 8 * sizeof(UV); | |
| 973 | register unsigned int lowbit = 0; | |
| 974 | register unsigned int diff; | |
| 975 | while ((diff = (highbit - lowbit) >> 1)) { | |
| 976 | if (baseuv & ~((1 << (lowbit + diff)) - 1)) | |
| 977 | lowbit += diff; | |
| 978 | else | |
| 979 | highbit -= diff; | |
| 980 | } | |
| 981 | /* we now have baseuv < 2 ** highbit */ | |
| 982 | if (power * highbit <= 8 * sizeof(UV)) { | |
| 983 | /* result will definitely fit in UV, so use UV math | |
| 984 | on same algorithm as above */ | |
| 985 | register UV result = 1; | |
| 986 | register UV base = baseuv; | |
| 987 | register int n = 0; | |
| 988 | for (; power; base *= base, n++) { | |
| 989 | register UV bit = (UV)1 << (UV)n; | |
| 990 | if (power & bit) { | |
| 991 | result *= base; | |
| 992 | power -= bit; | |
| 993 | if (power == 0) break; | |
| 994 | } | |
| 995 | } | |
| 996 | SP--; | |
| 997 | if (baseuok || !(power & 1)) | |
| 998 | /* answer is positive */ | |
| 999 | SETu( result ); | |
| 1000 | else if (result <= (UV)IV_MAX) | |
| 1001 | /* answer negative, fits in IV */ | |
| 1002 | SETi( -(IV)result ); | |
| 1003 | else if (result == (UV)IV_MIN) | |
| 1004 | /* 2's complement assumption: special case IV_MIN */ | |
| 1005 | SETi( IV_MIN ); | |
| 1006 | else | |
| 1007 | /* answer negative, doesn't fit */ | |
| 1008 | SETn( -(NV)result ); | |
| 1009 | RETURN; | |
| 1010 | } | |
| 1011 | } | |
| 1012 | } | |
| 1013 | } | |
| 58d76dfd | 1014 | } |
| 52a96ae6 | 1015 | float_it: |
| 58d76dfd | 1016 | #endif |
| a0d0e21e | 1017 | { |
| 52a96ae6 HS |
1018 | dPOPTOPnnrl; |
| 1019 | SETn( Perl_pow( left, right) ); | |
| 1020 | #ifdef PERL_PRESERVE_IVUV | |
| 1021 | if (is_int) | |
| 1022 | SvIV_please(TOPs); | |
| 1023 | #endif | |
| 1024 | RETURN; | |
| 93a17b20 | 1025 | } |
| a0d0e21e LW |
1026 | } |
| 1027 | ||
| 1028 | PP(pp_multiply) | |
| 1029 | { | |
| 39644a26 | 1030 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
| 28e5dec8 JH |
1031 | #ifdef PERL_PRESERVE_IVUV |
| 1032 | SvIV_please(TOPs); | |
| 1033 | if (SvIOK(TOPs)) { | |
| 1034 | /* Unless the left argument is integer in range we are going to have to | |
| 1035 | use NV maths. Hence only attempt to coerce the right argument if | |
| 1036 | we know the left is integer. */ | |
| 1037 | /* Left operand is defined, so is it IV? */ | |
| 1038 | SvIV_please(TOPm1s); | |
| 1039 | if (SvIOK(TOPm1s)) { | |
| 1040 | bool auvok = SvUOK(TOPm1s); | |
| 1041 | bool buvok = SvUOK(TOPs); | |
| 1042 | const UV topmask = (~ (UV)0) << (4 * sizeof (UV)); | |
| 1043 | const UV botmask = ~((~ (UV)0) << (4 * sizeof (UV))); | |
| 1044 | UV alow; | |
| 1045 | UV ahigh; | |
| 1046 | UV blow; | |
| 1047 | UV bhigh; | |
| 1048 | ||
| 1049 | if (auvok) { | |
| 1050 | alow = SvUVX(TOPm1s); | |
| 1051 | } else { | |
| 1052 | IV aiv = SvIVX(TOPm1s); | |
| 1053 | if (aiv >= 0) { | |
| 1054 | alow = aiv; | |
| 1055 | auvok = TRUE; /* effectively it's a UV now */ | |
| 1056 | } else { | |
| 1057 | alow = -aiv; /* abs, auvok == false records sign */ | |
| 1058 | } | |
| 1059 | } | |
| 1060 | if (buvok) { | |
| 1061 | blow = SvUVX(TOPs); | |
| 1062 | } else { | |
| 1063 | IV biv = SvIVX(TOPs); | |
| 1064 | if (biv >= 0) { | |
| 1065 | blow = biv; | |
| 1066 | buvok = TRUE; /* effectively it's a UV now */ | |
| 1067 | } else { | |
| 1068 | blow = -biv; /* abs, buvok == false records sign */ | |
| 1069 | } | |
| 1070 | } | |
| 1071 | ||
| 1072 | /* If this does sign extension on unsigned it's time for plan B */ | |
| 1073 | ahigh = alow >> (4 * sizeof (UV)); | |
| 1074 | alow &= botmask; | |
| 1075 | bhigh = blow >> (4 * sizeof (UV)); | |
| 1076 | blow &= botmask; | |
| 1077 | if (ahigh && bhigh) { | |
| 1078 | /* eg 32 bit is at least 0x10000 * 0x10000 == 0x100000000 | |
| 1079 | which is overflow. Drop to NVs below. */ | |
| 1080 | } else if (!ahigh && !bhigh) { | |
| 1081 | /* eg 32 bit is at most 0xFFFF * 0xFFFF == 0xFFFE0001 | |
| 1082 | so the unsigned multiply cannot overflow. */ | |
| 1083 | UV product = alow * blow; | |
| 1084 | if (auvok == buvok) { | |
| 1085 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
| 1086 | SP--; | |
| 1087 | SETu( product ); | |
| 1088 | RETURN; | |
| 1089 | } else if (product <= (UV)IV_MIN) { | |
| 1090 | /* 2s complement assumption that (UV)-IV_MIN is correct. */ | |
| 1091 | /* -ve result, which could overflow an IV */ | |
| 1092 | SP--; | |
| 25716404 | 1093 | SETi( -(IV)product ); |
| 28e5dec8 JH |
1094 | RETURN; |
| 1095 | } /* else drop to NVs below. */ | |
| 1096 | } else { | |
| 1097 | /* One operand is large, 1 small */ | |
| 1098 | UV product_middle; | |
| 1099 | if (bhigh) { | |
| 1100 | /* swap the operands */ | |
| 1101 | ahigh = bhigh; | |
| 1102 | bhigh = blow; /* bhigh now the temp var for the swap */ | |
| 1103 | blow = alow; | |
| 1104 | alow = bhigh; | |
| 1105 | } | |
| 1106 | /* now, ((ahigh * blow) << half_UV_len) + (alow * blow) | |
| 1107 | multiplies can't overflow. shift can, add can, -ve can. */ | |
| 1108 | product_middle = ahigh * blow; | |
| 1109 | if (!(product_middle & topmask)) { | |
| 1110 | /* OK, (ahigh * blow) won't lose bits when we shift it. */ | |
| 1111 | UV product_low; | |
| 1112 | product_middle <<= (4 * sizeof (UV)); | |
| 1113 | product_low = alow * blow; | |
| 1114 | ||
| 1115 | /* as for pp_add, UV + something mustn't get smaller. | |
| 1116 | IIRC ANSI mandates this wrapping *behaviour* for | |
| 1117 | unsigned whatever the actual representation*/ | |
| 1118 | product_low += product_middle; | |
| 1119 | if (product_low >= product_middle) { | |
| 1120 | /* didn't overflow */ | |
| 1121 | if (auvok == buvok) { | |
| 1122 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
| 1123 | SP--; | |
| 1124 | SETu( product_low ); | |
| 1125 | RETURN; | |
| 1126 | } else if (product_low <= (UV)IV_MIN) { | |
| 1127 | /* 2s complement assumption again */ | |
| 1128 | /* -ve result, which could overflow an IV */ | |
| 1129 | SP--; | |
| 25716404 | 1130 | SETi( -(IV)product_low ); |
| 28e5dec8 JH |
1131 | RETURN; |
| 1132 | } /* else drop to NVs below. */ | |
| 1133 | } | |
| 1134 | } /* product_middle too large */ | |
| 1135 | } /* ahigh && bhigh */ | |
| 1136 | } /* SvIOK(TOPm1s) */ | |
| 1137 | } /* SvIOK(TOPs) */ | |
| 1138 | #endif | |
| a0d0e21e LW |
1139 | { |
| 1140 | dPOPTOPnnrl; | |
| 1141 | SETn( left * right ); | |
| 1142 | RETURN; | |
| 79072805 | 1143 | } |
| a0d0e21e LW |
1144 | } |
| 1145 | ||
| 1146 | PP(pp_divide) | |
| 1147 | { | |
| 39644a26 | 1148 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
| 5479d192 | 1149 | /* Only try to do UV divide first |
| 68795e93 | 1150 | if ((SLOPPYDIVIDE is true) or |
| 5479d192 NC |
1151 | (PERL_PRESERVE_IVUV is true and one or both SV is a UV too large |
| 1152 | to preserve)) | |
| 1153 | The assumption is that it is better to use floating point divide | |
| 1154 | whenever possible, only doing integer divide first if we can't be sure. | |
| 1155 | If NV_PRESERVES_UV is true then we know at compile time that no UV | |
| 1156 | can be too large to preserve, so don't need to compile the code to | |
| 1157 | test the size of UVs. */ | |
| 1158 | ||
| a0d0e21e | 1159 | #ifdef SLOPPYDIVIDE |
| 5479d192 NC |
1160 | # define PERL_TRY_UV_DIVIDE |
| 1161 | /* ensure that 20./5. == 4. */ | |
| a0d0e21e | 1162 | #else |
| 5479d192 NC |
1163 | # ifdef PERL_PRESERVE_IVUV |
| 1164 | # ifndef NV_PRESERVES_UV | |
| 1165 | # define PERL_TRY_UV_DIVIDE | |
| 1166 | # endif | |
| 1167 | # endif | |
| a0d0e21e | 1168 | #endif |
| 5479d192 NC |
1169 | |
| 1170 | #ifdef PERL_TRY_UV_DIVIDE | |
| 1171 | SvIV_please(TOPs); | |
| 1172 | if (SvIOK(TOPs)) { | |
| 1173 | SvIV_please(TOPm1s); | |
| 1174 | if (SvIOK(TOPm1s)) { | |
| 1175 | bool left_non_neg = SvUOK(TOPm1s); | |
| 1176 | bool right_non_neg = SvUOK(TOPs); | |
| 1177 | UV left; | |
| 1178 | UV right; | |
| 1179 | ||
| 1180 | if (right_non_neg) { | |
| 1181 | right = SvUVX(TOPs); | |
| 1182 | } | |
| 1183 | else { | |
| 1184 | IV biv = SvIVX(TOPs); | |
| 1185 | if (biv >= 0) { | |
| 1186 | right = biv; | |
| 1187 | right_non_neg = TRUE; /* effectively it's a UV now */ | |
| 1188 | } | |
| 1189 | else { | |
| 1190 | right = -biv; | |
| 1191 | } | |
| 1192 | } | |
| 1193 | /* historically undef()/0 gives a "Use of uninitialized value" | |
| 1194 | warning before dieing, hence this test goes here. | |
| 1195 | If it were immediately before the second SvIV_please, then | |
| 1196 | DIE() would be invoked before left was even inspected, so | |
| 1197 | no inpsection would give no warning. */ | |
| 1198 | if (right == 0) | |
| 1199 | DIE(aTHX_ "Illegal division by zero"); | |
| 1200 | ||
| 1201 | if (left_non_neg) { | |
| 1202 | left = SvUVX(TOPm1s); | |
| 1203 | } | |
| 1204 | else { | |
| 1205 | IV aiv = SvIVX(TOPm1s); | |
| 1206 | if (aiv >= 0) { | |
| 1207 | left = aiv; | |
| 1208 | left_non_neg = TRUE; /* effectively it's a UV now */ | |
| 1209 | } | |
| 1210 | else { | |
| 1211 | left = -aiv; | |
| 1212 | } | |
| 1213 | } | |
| 1214 | ||
| 1215 | if (left >= right | |
| 1216 | #ifdef SLOPPYDIVIDE | |
| 1217 | /* For sloppy divide we always attempt integer division. */ | |
| 1218 | #else | |
| 1219 | /* Otherwise we only attempt it if either or both operands | |
| 1220 | would not be preserved by an NV. If both fit in NVs | |
| 0c2ee62a NC |
1221 | we fall through to the NV divide code below. However, |
| 1222 | as left >= right to ensure integer result here, we know that | |
| 1223 | we can skip the test on the right operand - right big | |
| 1224 | enough not to be preserved can't get here unless left is | |
| 1225 | also too big. */ | |
| 1226 | ||
| 1227 | && (left > ((UV)1 << NV_PRESERVES_UV_BITS)) | |
| 5479d192 NC |
1228 | #endif |
| 1229 | ) { | |
| 1230 | /* Integer division can't overflow, but it can be imprecise. */ | |
| 1231 | UV result = left / right; | |
| 1232 | if (result * right == left) { | |
| 1233 | SP--; /* result is valid */ | |
| 1234 | if (left_non_neg == right_non_neg) { | |
| 1235 | /* signs identical, result is positive. */ | |
| 1236 | SETu( result ); | |
| 1237 | RETURN; | |
| 1238 | } | |
| 1239 | /* 2s complement assumption */ | |
| 1240 | if (result <= (UV)IV_MIN) | |
| 91f3b821 | 1241 | SETi( -(IV)result ); |
| 5479d192 NC |
1242 | else { |
| 1243 | /* It's exact but too negative for IV. */ | |
| 1244 | SETn( -(NV)result ); | |
| 1245 | } | |
| 1246 | RETURN; | |
| 1247 | } /* tried integer divide but it was not an integer result */ | |
| 32fdb065 | 1248 | } /* else (PERL_ABS(result) < 1.0) or (both UVs in range for NV) */ |
| 5479d192 NC |
1249 | } /* left wasn't SvIOK */ |
| 1250 | } /* right wasn't SvIOK */ | |
| 1251 | #endif /* PERL_TRY_UV_DIVIDE */ | |
| 1252 | { | |
| 1253 | dPOPPOPnnrl; | |
| 1254 | if (right == 0.0) | |
| 1255 | DIE(aTHX_ "Illegal division by zero"); | |
| 1256 | PUSHn( left / right ); | |
| 1257 | RETURN; | |
| 79072805 | 1258 | } |
| a0d0e21e LW |
1259 | } |
| 1260 | ||
| 1261 | PP(pp_modulo) | |
| 1262 | { | |
| 39644a26 | 1263 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
| a0d0e21e | 1264 | { |
| 9c5ffd7c JH |
1265 | UV left = 0; |
| 1266 | UV right = 0; | |
| dc656993 JH |
1267 | bool left_neg = FALSE; |
| 1268 | bool right_neg = FALSE; | |
| e2c88acc NC |
1269 | bool use_double = FALSE; |
| 1270 | bool dright_valid = FALSE; | |
| 9c5ffd7c JH |
1271 | NV dright = 0.0; |
| 1272 | NV dleft = 0.0; | |
| 787eafbd | 1273 | |
| e2c88acc NC |
1274 | SvIV_please(TOPs); |
| 1275 | if (SvIOK(TOPs)) { | |
| 1276 | right_neg = !SvUOK(TOPs); | |
| 1277 | if (!right_neg) { | |
| 1278 | right = SvUVX(POPs); | |
| 1279 | } else { | |
| 1280 | IV biv = SvIVX(POPs); | |
| 1281 | if (biv >= 0) { | |
| 1282 | right = biv; | |
| 1283 | right_neg = FALSE; /* effectively it's a UV now */ | |
| 1284 | } else { | |
| 1285 | right = -biv; | |
| 1286 | } | |
| 1287 | } | |
| 1288 | } | |
| 1289 | else { | |
| 787eafbd | 1290 | dright = POPn; |
| 787eafbd IZ |
1291 | right_neg = dright < 0; |
| 1292 | if (right_neg) | |
| 1293 | dright = -dright; | |
| e2c88acc NC |
1294 | if (dright < UV_MAX_P1) { |
| 1295 | right = U_V(dright); | |
| 1296 | dright_valid = TRUE; /* In case we need to use double below. */ | |
| 1297 | } else { | |
| 1298 | use_double = TRUE; | |
| 1299 | } | |
| 787eafbd | 1300 | } |
| a0d0e21e | 1301 | |
| e2c88acc NC |
1302 | /* At this point use_double is only true if right is out of range for |
| 1303 | a UV. In range NV has been rounded down to nearest UV and | |
| 1304 | use_double false. */ | |
| 1305 | SvIV_please(TOPs); | |
| 1306 | if (!use_double && SvIOK(TOPs)) { | |
| 1307 | if (SvIOK(TOPs)) { | |
| 1308 | left_neg = !SvUOK(TOPs); | |
| 1309 | if (!left_neg) { | |
| 1310 | left = SvUVX(POPs); | |
| 1311 | } else { | |
| 1312 | IV aiv = SvIVX(POPs); | |
| 1313 | if (aiv >= 0) { | |
| 1314 | left = aiv; | |
| 1315 | left_neg = FALSE; /* effectively it's a UV now */ | |
| 1316 | } else { | |
| 1317 | left = -aiv; | |
| 1318 | } | |
| 1319 | } | |
| 1320 | } | |
| 1321 | } | |
| 787eafbd IZ |
1322 | else { |
| 1323 | dleft = POPn; | |
| 787eafbd IZ |
1324 | left_neg = dleft < 0; |
| 1325 | if (left_neg) | |
| 1326 | dleft = -dleft; | |
| 68dc0745 | 1327 | |
| e2c88acc NC |
1328 | /* This should be exactly the 5.6 behaviour - if left and right are |
| 1329 | both in range for UV then use U_V() rather than floor. */ | |
| 1330 | if (!use_double) { | |
| 1331 | if (dleft < UV_MAX_P1) { | |
| 1332 | /* right was in range, so is dleft, so use UVs not double. | |
| 1333 | */ | |
| 1334 | left = U_V(dleft); | |
| 1335 | } | |
| 1336 | /* left is out of range for UV, right was in range, so promote | |
| 1337 | right (back) to double. */ | |
| 1338 | else { | |
| 1339 | /* The +0.5 is used in 5.6 even though it is not strictly | |
| 1340 | consistent with the implicit +0 floor in the U_V() | |
| 1341 | inside the #if 1. */ | |
| 1342 | dleft = Perl_floor(dleft + 0.5); | |
| 1343 | use_double = TRUE; | |
| 1344 | if (dright_valid) | |
| 1345 | dright = Perl_floor(dright + 0.5); | |
| 1346 | else | |
| 1347 | dright = right; | |
| 1348 | } | |
| 1349 | } | |
| 1350 | } | |
| 787eafbd | 1351 | if (use_double) { |
| 65202027 | 1352 | NV dans; |
| 787eafbd | 1353 | |
| 787eafbd | 1354 | if (!dright) |
| cea2e8a9 | 1355 | DIE(aTHX_ "Illegal modulus zero"); |
| 787eafbd | 1356 | |
| 65202027 | 1357 | dans = Perl_fmod(dleft, dright); |
| 787eafbd IZ |
1358 | if ((left_neg != right_neg) && dans) |
| 1359 | dans = dright - dans; | |
| 1360 | if (right_neg) | |
| 1361 | dans = -dans; | |
| 1362 | sv_setnv(TARG, dans); | |
| 1363 | } | |
| 1364 | else { | |
| 1365 | UV ans; | |
| 1366 | ||
| 787eafbd | 1367 | if (!right) |
| cea2e8a9 | 1368 | DIE(aTHX_ "Illegal modulus zero"); |
| 787eafbd IZ |
1369 | |
| 1370 | ans = left % right; | |
| 1371 | if ((left_neg != right_neg) && ans) | |
| 1372 | ans = right - ans; | |
| 1373 | if (right_neg) { | |
| 1374 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
| 1375 | /* could change -foo to be (~foo)+1 instead */ | |
| 1376 | if (ans <= ~((UV)IV_MAX)+1) | |
| 1377 | sv_setiv(TARG, ~ans+1); | |
| 1378 | else | |
| 65202027 | 1379 | sv_setnv(TARG, -(NV)ans); |
| 787eafbd IZ |
1380 | } |
| 1381 | else | |
| 1382 | sv_setuv(TARG, ans); | |
| 1383 | } | |
| 1384 | PUSHTARG; | |
| 1385 | RETURN; | |
| 79072805 | 1386 | } |
| a0d0e21e | 1387 | } |
| 79072805 | 1388 | |
| a0d0e21e LW |
1389 | PP(pp_repeat) |
| 1390 | { | |
| 39644a26 | 1391 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
| 748a9306 | 1392 | { |
| 467f0320 | 1393 | register IV count = POPi; |
| 533c011a | 1394 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
| a0d0e21e LW |
1395 | dMARK; |
| 1396 | I32 items = SP - MARK; | |
| 1397 | I32 max; | |
| 79072805 | 1398 | |
| a0d0e21e LW |
1399 | max = items * count; |
| 1400 | MEXTEND(MARK, max); | |
| 1401 | if (count > 1) { | |
| 1402 | while (SP > MARK) { | |
| 976c8a39 JH |
1403 | #if 0 |
| 1404 | /* This code was intended to fix 20010809.028: | |
| 1405 | ||
| 1406 | $x = 'abcd'; | |
| 1407 | for (($x =~ /./g) x 2) { | |
| 1408 | print chop; # "abcdabcd" expected as output. | |
| 1409 | } | |
| 1410 | ||
| 1411 | * but that change (#11635) broke this code: | |
| 1412 | ||
| 1413 | $x = [("foo")x2]; # only one "foo" ended up in the anonlist. | |
| 1414 | ||
| 1415 | * I can't think of a better fix that doesn't introduce | |
| 1416 | * an efficiency hit by copying the SVs. The stack isn't | |
| 1417 | * refcounted, and mortalisation obviously doesn't | |
| 1418 | * Do The Right Thing when the stack has more than | |
| 1419 | * one pointer to the same mortal value. | |
| 1420 | * .robin. | |
| 1421 | */ | |
| e30acc16 RH |
1422 | if (*SP) { |
| 1423 | *SP = sv_2mortal(newSVsv(*SP)); | |
| 1424 | SvREADONLY_on(*SP); | |
| 1425 | } | |
| 976c8a39 JH |
1426 | #else |
| 1427 | if (*SP) | |
| 1428 | SvTEMP_off((*SP)); | |
| 1429 | #endif | |
| a0d0e21e | 1430 | SP--; |
| 79072805 | 1431 | } |
| a0d0e21e LW |
1432 | MARK++; |
| 1433 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
| 1434 | items * sizeof(SV*), count - 1); | |
| 1435 | SP += max; | |
| 79072805 | 1436 | } |
| a0d0e21e LW |
1437 | else if (count <= 0) |
| 1438 | SP -= items; | |
| 79072805 | 1439 | } |
| a0d0e21e | 1440 | else { /* Note: mark already snarfed by pp_list */ |
| dfcb284a | 1441 | SV *tmpstr = POPs; |
| a0d0e21e | 1442 | STRLEN len; |
| 9b877dbb | 1443 | bool isutf; |
| a0d0e21e | 1444 | |
| a0d0e21e LW |
1445 | SvSetSV(TARG, tmpstr); |
| 1446 | SvPV_force(TARG, len); | |
| 9b877dbb | 1447 | isutf = DO_UTF8(TARG); |
| 8ebc5c01 | 1448 | if (count != 1) { |
| 1449 | if (count < 1) | |
| 1450 | SvCUR_set(TARG, 0); | |
| 1451 | else { | |
| 1452 | SvGROW(TARG, (count * len) + 1); | |
| a0d0e21e | 1453 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
| 8ebc5c01 | 1454 | SvCUR(TARG) *= count; |
| 7a4c00b4 | 1455 | } |
| a0d0e21e | 1456 | *SvEND(TARG) = '\0'; |
| a0d0e21e | 1457 | } |
| dfcb284a GS |
1458 | if (isutf) |
| 1459 | (void)SvPOK_only_UTF8(TARG); | |
| 1460 | else | |
| 1461 | (void)SvPOK_only(TARG); | |
| b80b6069 RH |
1462 | |
| 1463 | if (PL_op->op_private & OPpREPEAT_DOLIST) { | |
| 1464 | /* The parser saw this as a list repeat, and there | |
| 1465 | are probably several items on the stack. But we're | |
| 1466 | in scalar context, and there's no pp_list to save us | |
| 1467 | now. So drop the rest of the items -- robin@kitsite.com | |
| 1468 | */ | |
| 1469 | dMARK; | |
| 1470 | SP = MARK; | |
| 1471 | } | |
| a0d0e21e | 1472 | PUSHTARG; |
| 79072805 | 1473 | } |
| a0d0e21e | 1474 | RETURN; |
| 748a9306 | 1475 | } |
| a0d0e21e | 1476 | } |
| 79072805 | 1477 | |
| a0d0e21e LW |
1478 | PP(pp_subtract) |
| 1479 | { | |
| 39644a26 | 1480 | dSP; dATARGET; bool useleft; tryAMAGICbin(subtr,opASSIGN); |
| 28e5dec8 JH |
1481 | useleft = USE_LEFT(TOPm1s); |
| 1482 | #ifdef PERL_PRESERVE_IVUV | |
| 7dca457a NC |
1483 | /* See comments in pp_add (in pp_hot.c) about Overflow, and how |
| 1484 | "bad things" happen if you rely on signed integers wrapping. */ | |
| 28e5dec8 JH |
1485 | SvIV_please(TOPs); |
| 1486 | if (SvIOK(TOPs)) { | |
| 1487 | /* Unless the left argument is integer in range we are going to have to | |
| 1488 | use NV maths. Hence only attempt to coerce the right argument if | |
| 1489 | we know the left is integer. */ | |
| 9c5ffd7c JH |
1490 | register UV auv = 0; |
| 1491 | bool auvok = FALSE; | |
| 7dca457a NC |
1492 | bool a_valid = 0; |
| 1493 | ||
| 28e5dec8 | 1494 | if (!useleft) { |
| 7dca457a NC |
1495 | auv = 0; |
| 1496 | a_valid = auvok = 1; | |
| 1497 | /* left operand is undef, treat as zero. */ | |
| 28e5dec8 JH |
1498 | } else { |
| 1499 | /* Left operand is defined, so is it IV? */ | |
| 1500 | SvIV_please(TOPm1s); | |
| 1501 | if (SvIOK(TOPm1s)) { | |
| 7dca457a NC |
1502 | if ((auvok = SvUOK(TOPm1s))) |
| 1503 | auv = SvUVX(TOPm1s); | |
| 1504 | else { | |
| 1505 | register IV aiv = SvIVX(TOPm1s); | |
| 1506 | if (aiv >= 0) { | |
| 1507 | auv = aiv; | |
| 1508 | auvok = 1; /* Now acting as a sign flag. */ | |
| 1509 | } else { /* 2s complement assumption for IV_MIN */ | |
| 1510 | auv = (UV)-aiv; | |
| 28e5dec8 | 1511 | } |
| 7dca457a NC |
1512 | } |
| 1513 | a_valid = 1; | |
| 1514 | } | |
| 1515 | } | |
| 1516 | if (a_valid) { | |
| 1517 | bool result_good = 0; | |
| 1518 | UV result; | |
| 1519 | register UV buv; | |
| 1520 | bool buvok = SvUOK(TOPs); | |
| 9041c2e3 | 1521 | |
| 7dca457a NC |
1522 | if (buvok) |
| 1523 | buv = SvUVX(TOPs); | |
| 1524 | else { | |
| 1525 | register IV biv = SvIVX(TOPs); | |
| 1526 | if (biv >= 0) { | |
| 1527 | buv = biv; | |
| 1528 | buvok = 1; | |
| 1529 | } else | |
| 1530 | buv = (UV)-biv; | |
| 1531 | } | |
| 1532 | /* ?uvok if value is >= 0. basically, flagged as UV if it's +ve, | |
| 602f51c4 | 1533 | else "IV" now, independent of how it came in. |
| 7dca457a NC |
1534 | if a, b represents positive, A, B negative, a maps to -A etc |
| 1535 | a - b => (a - b) | |
| 1536 | A - b => -(a + b) | |
| 1537 | a - B => (a + b) | |
| 1538 | A - B => -(a - b) | |
| 1539 | all UV maths. negate result if A negative. | |
| 1540 | subtract if signs same, add if signs differ. */ | |
| 1541 | ||
| 1542 | if (auvok ^ buvok) { | |
| 1543 | /* Signs differ. */ | |
| 1544 | result = auv + buv; | |
| 1545 | if (result >= auv) | |
| 1546 | result_good = 1; | |
| 1547 | } else { | |
| 1548 | /* Signs same */ | |
| 1549 | if (auv >= buv) { | |
| 1550 | result = auv - buv; | |
| 1551 | /* Must get smaller */ | |
| 1552 | if (result <= auv) | |
| 1553 | result_good = 1; | |
| 1554 | } else { | |
| 1555 | result = buv - auv; | |
| 1556 | if (result <= buv) { | |
| 1557 | /* result really should be -(auv-buv). as its negation | |
| 1558 | of true value, need to swap our result flag */ | |
| 1559 | auvok = !auvok; | |
| 1560 | result_good = 1; | |
| 28e5dec8 | 1561 | } |
| 28e5dec8 JH |
1562 | } |
| 1563 | } | |
| 7dca457a NC |
1564 | if (result_good) { |
| 1565 | SP--; | |
| 1566 | if (auvok) | |
| 1567 | SETu( result ); | |
| 1568 | else { | |
| 1569 | /* Negate result */ | |
| 1570 | if (result <= (UV)IV_MIN) | |
| 1571 | SETi( -(IV)result ); | |
| 1572 | else { | |
| 1573 | /* result valid, but out of range for IV. */ | |
| 1574 | SETn( -(NV)result ); | |
| 1575 | } | |
| 1576 | } | |
| 1577 | RETURN; | |
| 1578 | } /* Overflow, drop through to NVs. */ | |
| 28e5dec8 JH |
1579 | } |
| 1580 | } | |
| 1581 | #endif | |
| 7dca457a | 1582 | useleft = USE_LEFT(TOPm1s); |
| a0d0e21e | 1583 | { |
| 28e5dec8 JH |
1584 | dPOPnv; |
| 1585 | if (!useleft) { | |
| 1586 | /* left operand is undef, treat as zero - value */ | |
| 1587 | SETn(-value); | |
| 1588 | RETURN; | |
| 1589 | } | |
| 1590 | SETn( TOPn - value ); | |
| 1591 | RETURN; | |
| 79072805 | 1592 | } |
| a0d0e21e | 1593 | } |
| 79072805 | 1594 | |
| a0d0e21e LW |
1595 | PP(pp_left_shift) |
| 1596 | { | |
| 39644a26 | 1597 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
| a0d0e21e | 1598 | { |
| 972b05a9 | 1599 | IV shift = POPi; |
| d0ba1bd2 | 1600 | if (PL_op->op_private & HINT_INTEGER) { |
| 972b05a9 JH |
1601 | IV i = TOPi; |
| 1602 | SETi(i << shift); | |
| d0ba1bd2 JH |
1603 | } |
| 1604 | else { | |
| 972b05a9 JH |
1605 | UV u = TOPu; |
| 1606 | SETu(u << shift); | |
| d0ba1bd2 | 1607 | } |
| 55497cff | 1608 | RETURN; |
| 79072805 | 1609 | } |
| a0d0e21e | 1610 | } |
| 79072805 | 1611 | |
| a0d0e21e LW |
1612 | PP(pp_right_shift) |
| 1613 | { | |
| 39644a26 | 1614 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
| a0d0e21e | 1615 | { |
| 972b05a9 | 1616 | IV shift = POPi; |
| d0ba1bd2 | 1617 | if (PL_op->op_private & HINT_INTEGER) { |
| 972b05a9 JH |
1618 | IV i = TOPi; |
| 1619 | SETi(i >> shift); | |
| d0ba1bd2 JH |
1620 | } |
| 1621 | else { | |
| 972b05a9 JH |
1622 | UV u = TOPu; |
| 1623 | SETu(u >> shift); | |
| d0ba1bd2 | 1624 | } |
| a0d0e21e | 1625 | RETURN; |
| 93a17b20 | 1626 | } |
| 79072805 LW |
1627 | } |
| 1628 | ||
| a0d0e21e | 1629 | PP(pp_lt) |
| 79072805 | 1630 | { |
| 39644a26 | 1631 | dSP; tryAMAGICbinSET(lt,0); |
| 28e5dec8 JH |
1632 | #ifdef PERL_PRESERVE_IVUV |
| 1633 | SvIV_please(TOPs); | |
| 1634 | if (SvIOK(TOPs)) { | |
| 1635 | SvIV_please(TOPm1s); | |
| 1636 | if (SvIOK(TOPm1s)) { | |
| 1637 | bool auvok = SvUOK(TOPm1s); | |
| 1638 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1639 | |
| 28e5dec8 JH |
1640 | if (!auvok && !buvok) { /* ## IV < IV ## */ |
| 1641 | IV aiv = SvIVX(TOPm1s); | |
| 1642 | IV biv = SvIVX(TOPs); | |
| 1643 | ||
| 1644 | SP--; | |
| 1645 | SETs(boolSV(aiv < biv)); | |
| 1646 | RETURN; | |
| 1647 | } | |
| 1648 | if (auvok && buvok) { /* ## UV < UV ## */ | |
| 1649 | UV auv = SvUVX(TOPm1s); | |
| 1650 | UV buv = SvUVX(TOPs); | |
| 1651 | ||
| 1652 | SP--; | |
| 1653 | SETs(boolSV(auv < buv)); | |
| 1654 | RETURN; | |
| 1655 | } | |
| 1656 | if (auvok) { /* ## UV < IV ## */ | |
| 1657 | UV auv; | |
| 1658 | IV biv; | |
| 1659 | ||
| 1660 | biv = SvIVX(TOPs); | |
| 1661 | SP--; | |
| 1662 | if (biv < 0) { | |
| 1663 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
| 1664 | SETs(&PL_sv_no); | |
| 1665 | RETURN; | |
| 1666 | } | |
| 1667 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1668 | SETs(boolSV(auv < (UV)biv)); |
| 1669 | RETURN; | |
| 1670 | } | |
| 1671 | { /* ## IV < UV ## */ | |
| 1672 | IV aiv; | |
| 1673 | UV buv; | |
| 1674 | ||
| 1675 | aiv = SvIVX(TOPm1s); | |
| 1676 | if (aiv < 0) { | |
| 1677 | /* As (b) is a UV, it's >=0, so it must be < */ | |
| 1678 | SP--; | |
| 1679 | SETs(&PL_sv_yes); | |
| 1680 | RETURN; | |
| 1681 | } | |
| 1682 | buv = SvUVX(TOPs); | |
| 1683 | SP--; | |
| 28e5dec8 JH |
1684 | SETs(boolSV((UV)aiv < buv)); |
| 1685 | RETURN; | |
| 1686 | } | |
| 1687 | } | |
| 1688 | } | |
| 1689 | #endif | |
| 30de85b6 | 1690 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1691 | #ifdef PERL_PRESERVE_IVUV |
| 1692 | else | |
| 1693 | #endif | |
| 1694 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
| 1695 | SP--; | |
| 1696 | SETs(boolSV(SvRV(TOPs) < SvRV(TOPp1s))); | |
| 1697 | RETURN; | |
| 1698 | } | |
| 30de85b6 | 1699 | #endif |
| a0d0e21e LW |
1700 | { |
| 1701 | dPOPnv; | |
| 54310121 | 1702 | SETs(boolSV(TOPn < value)); |
| a0d0e21e | 1703 | RETURN; |
| 79072805 | 1704 | } |
| a0d0e21e | 1705 | } |
| 79072805 | 1706 | |
| a0d0e21e LW |
1707 | PP(pp_gt) |
| 1708 | { | |
| 39644a26 | 1709 | dSP; tryAMAGICbinSET(gt,0); |
| 28e5dec8 JH |
1710 | #ifdef PERL_PRESERVE_IVUV |
| 1711 | SvIV_please(TOPs); | |
| 1712 | if (SvIOK(TOPs)) { | |
| 1713 | SvIV_please(TOPm1s); | |
| 1714 | if (SvIOK(TOPm1s)) { | |
| 1715 | bool auvok = SvUOK(TOPm1s); | |
| 1716 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1717 | |
| 28e5dec8 JH |
1718 | if (!auvok && !buvok) { /* ## IV > IV ## */ |
| 1719 | IV aiv = SvIVX(TOPm1s); | |
| 1720 | IV biv = SvIVX(TOPs); | |
| 1721 | ||
| 1722 | SP--; | |
| 1723 | SETs(boolSV(aiv > biv)); | |
| 1724 | RETURN; | |
| 1725 | } | |
| 1726 | if (auvok && buvok) { /* ## UV > UV ## */ | |
| 1727 | UV auv = SvUVX(TOPm1s); | |
| 1728 | UV buv = SvUVX(TOPs); | |
| 1729 | ||
| 1730 | SP--; | |
| 1731 | SETs(boolSV(auv > buv)); | |
| 1732 | RETURN; | |
| 1733 | } | |
| 1734 | if (auvok) { /* ## UV > IV ## */ | |
| 1735 | UV auv; | |
| 1736 | IV biv; | |
| 1737 | ||
| 1738 | biv = SvIVX(TOPs); | |
| 1739 | SP--; | |
| 1740 | if (biv < 0) { | |
| 1741 | /* As (a) is a UV, it's >=0, so it must be > */ | |
| 1742 | SETs(&PL_sv_yes); | |
| 1743 | RETURN; | |
| 1744 | } | |
| 1745 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1746 | SETs(boolSV(auv > (UV)biv)); |
| 1747 | RETURN; | |
| 1748 | } | |
| 1749 | { /* ## IV > UV ## */ | |
| 1750 | IV aiv; | |
| 1751 | UV buv; | |
| 1752 | ||
| 1753 | aiv = SvIVX(TOPm1s); | |
| 1754 | if (aiv < 0) { | |
| 1755 | /* As (b) is a UV, it's >=0, so it cannot be > */ | |
| 1756 | SP--; | |
| 1757 | SETs(&PL_sv_no); | |
| 1758 | RETURN; | |
| 1759 | } | |
| 1760 | buv = SvUVX(TOPs); | |
| 1761 | SP--; | |
| 28e5dec8 JH |
1762 | SETs(boolSV((UV)aiv > buv)); |
| 1763 | RETURN; | |
| 1764 | } | |
| 1765 | } | |
| 1766 | } | |
| 1767 | #endif | |
| 30de85b6 | 1768 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1769 | #ifdef PERL_PRESERVE_IVUV |
| 1770 | else | |
| 1771 | #endif | |
| 1772 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
| 30de85b6 NC |
1773 | SP--; |
| 1774 | SETs(boolSV(SvRV(TOPs) > SvRV(TOPp1s))); | |
| 1775 | RETURN; | |
| 1776 | } | |
| 1777 | #endif | |
| a0d0e21e LW |
1778 | { |
| 1779 | dPOPnv; | |
| 54310121 | 1780 | SETs(boolSV(TOPn > value)); |
| a0d0e21e | 1781 | RETURN; |
| 79072805 | 1782 | } |
| a0d0e21e LW |
1783 | } |
| 1784 | ||
| 1785 | PP(pp_le) | |
| 1786 | { | |
| 39644a26 | 1787 | dSP; tryAMAGICbinSET(le,0); |
| 28e5dec8 JH |
1788 | #ifdef PERL_PRESERVE_IVUV |
| 1789 | SvIV_please(TOPs); | |
| 1790 | if (SvIOK(TOPs)) { | |
| 1791 | SvIV_please(TOPm1s); | |
| 1792 | if (SvIOK(TOPm1s)) { | |
| 1793 | bool auvok = SvUOK(TOPm1s); | |
| 1794 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1795 | |
| 28e5dec8 JH |
1796 | if (!auvok && !buvok) { /* ## IV <= IV ## */ |
| 1797 | IV aiv = SvIVX(TOPm1s); | |
| 1798 | IV biv = SvIVX(TOPs); | |
| 1799 | ||
| 1800 | SP--; | |
| 1801 | SETs(boolSV(aiv <= biv)); | |
| 1802 | RETURN; | |
| 1803 | } | |
| 1804 | if (auvok && buvok) { /* ## UV <= UV ## */ | |
| 1805 | UV auv = SvUVX(TOPm1s); | |
| 1806 | UV buv = SvUVX(TOPs); | |
| 1807 | ||
| 1808 | SP--; | |
| 1809 | SETs(boolSV(auv <= buv)); | |
| 1810 | RETURN; | |
| 1811 | } | |
| 1812 | if (auvok) { /* ## UV <= IV ## */ | |
| 1813 | UV auv; | |
| 1814 | IV biv; | |
| 1815 | ||
| 1816 | biv = SvIVX(TOPs); | |
| 1817 | SP--; | |
| 1818 | if (biv < 0) { | |
| 1819 | /* As (a) is a UV, it's >=0, so a cannot be <= */ | |
| 1820 | SETs(&PL_sv_no); | |
| 1821 | RETURN; | |
| 1822 | } | |
| 1823 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1824 | SETs(boolSV(auv <= (UV)biv)); |
| 1825 | RETURN; | |
| 1826 | } | |
| 1827 | { /* ## IV <= UV ## */ | |
| 1828 | IV aiv; | |
| 1829 | UV buv; | |
| 1830 | ||
| 1831 | aiv = SvIVX(TOPm1s); | |
| 1832 | if (aiv < 0) { | |
| 1833 | /* As (b) is a UV, it's >=0, so a must be <= */ | |
| 1834 | SP--; | |
| 1835 | SETs(&PL_sv_yes); | |
| 1836 | RETURN; | |
| 1837 | } | |
| 1838 | buv = SvUVX(TOPs); | |
| 1839 | SP--; | |
| 28e5dec8 JH |
1840 | SETs(boolSV((UV)aiv <= buv)); |
| 1841 | RETURN; | |
| 1842 | } | |
| 1843 | } | |
| 1844 | } | |
| 1845 | #endif | |
| 30de85b6 | 1846 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1847 | #ifdef PERL_PRESERVE_IVUV |
| 1848 | else | |
| 1849 | #endif | |
| 1850 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
| 30de85b6 NC |
1851 | SP--; |
| 1852 | SETs(boolSV(SvRV(TOPs) <= SvRV(TOPp1s))); | |
| 1853 | RETURN; | |
| 1854 | } | |
| 1855 | #endif | |
| a0d0e21e LW |
1856 | { |
| 1857 | dPOPnv; | |
| 54310121 | 1858 | SETs(boolSV(TOPn <= value)); |
| a0d0e21e | 1859 | RETURN; |
| 79072805 | 1860 | } |
| a0d0e21e LW |
1861 | } |
| 1862 | ||
| 1863 | PP(pp_ge) | |
| 1864 | { | |
| 39644a26 | 1865 | dSP; tryAMAGICbinSET(ge,0); |
| 28e5dec8 JH |
1866 | #ifdef PERL_PRESERVE_IVUV |
| 1867 | SvIV_please(TOPs); | |
| 1868 | if (SvIOK(TOPs)) { | |
| 1869 | SvIV_please(TOPm1s); | |
| 1870 | if (SvIOK(TOPm1s)) { | |
| 1871 | bool auvok = SvUOK(TOPm1s); | |
| 1872 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1873 | |
| 28e5dec8 JH |
1874 | if (!auvok && !buvok) { /* ## IV >= IV ## */ |
| 1875 | IV aiv = SvIVX(TOPm1s); | |
| 1876 | IV biv = SvIVX(TOPs); | |
| 1877 | ||
| 1878 | SP--; | |
| 1879 | SETs(boolSV(aiv >= biv)); | |
| 1880 | RETURN; | |
| 1881 | } | |
| 1882 | if (auvok && buvok) { /* ## UV >= UV ## */ | |
| 1883 | UV auv = SvUVX(TOPm1s); | |
| 1884 | UV buv = SvUVX(TOPs); | |
| 1885 | ||
| 1886 | SP--; | |
| 1887 | SETs(boolSV(auv >= buv)); | |
| 1888 | RETURN; | |
| 1889 | } | |
| 1890 | if (auvok) { /* ## UV >= IV ## */ | |
| 1891 | UV auv; | |
| 1892 | IV biv; | |
| 1893 | ||
| 1894 | biv = SvIVX(TOPs); | |
| 1895 | SP--; | |
| 1896 | if (biv < 0) { | |
| 1897 | /* As (a) is a UV, it's >=0, so it must be >= */ | |
| 1898 | SETs(&PL_sv_yes); | |
| 1899 | RETURN; | |
| 1900 | } | |
| 1901 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1902 | SETs(boolSV(auv >= (UV)biv)); |
| 1903 | RETURN; | |
| 1904 | } | |
| 1905 | { /* ## IV >= UV ## */ | |
| 1906 | IV aiv; | |
| 1907 | UV buv; | |
| 1908 | ||
| 1909 | aiv = SvIVX(TOPm1s); | |
| 1910 | if (aiv < 0) { | |
| 1911 | /* As (b) is a UV, it's >=0, so a cannot be >= */ | |
| 1912 | SP--; | |
| 1913 | SETs(&PL_sv_no); | |
| 1914 | RETURN; | |
| 1915 | } | |
| 1916 | buv = SvUVX(TOPs); | |
| 1917 | SP--; | |
| 28e5dec8 JH |
1918 | SETs(boolSV((UV)aiv >= buv)); |
| 1919 | RETURN; | |
| 1920 | } | |
| 1921 | } | |
| 1922 | } | |
| 1923 | #endif | |
| 30de85b6 | 1924 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1925 | #ifdef PERL_PRESERVE_IVUV |
| 1926 | else | |
| 1927 | #endif | |
| 1928 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
| 30de85b6 NC |
1929 | SP--; |
| 1930 | SETs(boolSV(SvRV(TOPs) >= SvRV(TOPp1s))); | |
| 1931 | RETURN; | |
| 1932 | } | |
| 1933 | #endif | |
| a0d0e21e LW |
1934 | { |
| 1935 | dPOPnv; | |
| 54310121 | 1936 | SETs(boolSV(TOPn >= value)); |
| a0d0e21e | 1937 | RETURN; |
| 79072805 | 1938 | } |
| a0d0e21e | 1939 | } |
| 79072805 | 1940 | |
| a0d0e21e LW |
1941 | PP(pp_ne) |
| 1942 | { | |
| 16303949 | 1943 | dSP; tryAMAGICbinSET(ne,0); |
| 3bb2c415 JH |
1944 | #ifndef NV_PRESERVES_UV |
| 1945 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
| e61d22ef NC |
1946 | SP--; |
| 1947 | SETs(boolSV(SvRV(TOPs) != SvRV(TOPp1s))); | |
| 3bb2c415 JH |
1948 | RETURN; |
| 1949 | } | |
| 1950 | #endif | |
| 28e5dec8 JH |
1951 | #ifdef PERL_PRESERVE_IVUV |
| 1952 | SvIV_please(TOPs); | |
| 1953 | if (SvIOK(TOPs)) { | |
| 1954 | SvIV_please(TOPm1s); | |
| 1955 | if (SvIOK(TOPm1s)) { | |
| 1956 | bool auvok = SvUOK(TOPm1s); | |
| 1957 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1958 | |
| 30de85b6 NC |
1959 | if (auvok == buvok) { /* ## IV == IV or UV == UV ## */ |
| 1960 | /* Casting IV to UV before comparison isn't going to matter | |
| 1961 | on 2s complement. On 1s complement or sign&magnitude | |
| 1962 | (if we have any of them) it could make negative zero | |
| 1963 | differ from normal zero. As I understand it. (Need to | |
| 1964 | check - is negative zero implementation defined behaviour | |
| 1965 | anyway?). NWC */ | |
| 1966 | UV buv = SvUVX(POPs); | |
| 1967 | UV auv = SvUVX(TOPs); | |
| 28e5dec8 | 1968 | |
| 28e5dec8 JH |
1969 | SETs(boolSV(auv != buv)); |
| 1970 | RETURN; | |
| 1971 | } | |
| 1972 | { /* ## Mixed IV,UV ## */ | |
| 1973 | IV iv; | |
| 1974 | UV uv; | |
| 1975 | ||
| 1976 | /* != is commutative so swap if needed (save code) */ | |
| 1977 | if (auvok) { | |
| 1978 | /* swap. top of stack (b) is the iv */ | |
| 1979 | iv = SvIVX(TOPs); | |
| 1980 | SP--; | |
| 1981 | if (iv < 0) { | |
| 1982 | /* As (a) is a UV, it's >0, so it cannot be == */ | |
| 1983 | SETs(&PL_sv_yes); | |
| 1984 | RETURN; | |
| 1985 | } | |
| 1986 | uv = SvUVX(TOPs); | |
| 1987 | } else { | |
| 1988 | iv = SvIVX(TOPm1s); | |
| 1989 | SP--; | |
| 1990 | if (iv < 0) { | |
| 1991 | /* As (b) is a UV, it's >0, so it cannot be == */ | |
| 1992 | SETs(&PL_sv_yes); | |
| 1993 | RETURN; | |
| 1994 | } | |
| 1995 | uv = SvUVX(*(SP+1)); /* Do I want TOPp1s() ? */ | |
| 1996 | } | |
| 28e5dec8 JH |
1997 | SETs(boolSV((UV)iv != uv)); |
| 1998 | RETURN; | |
| 1999 | } | |
| 2000 | } | |
| 2001 | } | |
| 2002 | #endif | |
| a0d0e21e LW |
2003 | { |
| 2004 | dPOPnv; | |
| 54310121 | 2005 | SETs(boolSV(TOPn != value)); |
| a0d0e21e LW |
2006 | RETURN; |
| 2007 | } | |
| 79072805 LW |
2008 | } |
| 2009 | ||
| a0d0e21e | 2010 | PP(pp_ncmp) |
| 79072805 | 2011 | { |
| 39644a26 | 2012 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
| d8c7644e JH |
2013 | #ifndef NV_PRESERVES_UV |
| 2014 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
| e61d22ef NC |
2015 | UV right = PTR2UV(SvRV(POPs)); |
| 2016 | UV left = PTR2UV(SvRV(TOPs)); | |
| 2017 | SETi((left > right) - (left < right)); | |
| d8c7644e JH |
2018 | RETURN; |
| 2019 | } | |
| 2020 | #endif | |
| 28e5dec8 JH |
2021 | #ifdef PERL_PRESERVE_IVUV |
| 2022 | /* Fortunately it seems NaN isn't IOK */ | |
| 2023 | SvIV_please(TOPs); | |
| 2024 | if (SvIOK(TOPs)) { | |
| 2025 | SvIV_please(TOPm1s); | |
| 2026 | if (SvIOK(TOPm1s)) { | |
| 2027 | bool leftuvok = SvUOK(TOPm1s); | |
| 2028 | bool rightuvok = SvUOK(TOPs); | |
| 2029 | I32 value; | |
| 2030 | if (!leftuvok && !rightuvok) { /* ## IV <=> IV ## */ | |
| 2031 | IV leftiv = SvIVX(TOPm1s); | |
| 2032 | IV rightiv = SvIVX(TOPs); | |
| 2033 | ||
| 2034 | if (leftiv > rightiv) | |
| 2035 | value = 1; | |
| 2036 | else if (leftiv < rightiv) | |
| 2037 | value = -1; | |
| 2038 | else | |
| 2039 | value = 0; | |
| 2040 | } else if (leftuvok && rightuvok) { /* ## UV <=> UV ## */ | |
| 2041 | UV leftuv = SvUVX(TOPm1s); | |
| 2042 | UV rightuv = SvUVX(TOPs); | |
| 2043 | ||
| 2044 | if (leftuv > rightuv) | |
| 2045 | value = 1; | |
| 2046 | else if (leftuv < rightuv) | |
| 2047 | value = -1; | |
| 2048 | else | |
| 2049 | value = 0; | |
| 2050 | } else if (leftuvok) { /* ## UV <=> IV ## */ | |
| 2051 | UV leftuv; | |
| 2052 | IV rightiv; | |
| 2053 | ||
| 2054 | rightiv = SvIVX(TOPs); | |
| 2055 | if (rightiv < 0) { | |
| 2056 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
| 2057 | value = 1; | |
| 2058 | } else { | |
| 2059 | leftuv = SvUVX(TOPm1s); | |
| 83bac5dd | 2060 | if (leftuv > (UV)rightiv) { |
| 28e5dec8 JH |
2061 | value = 1; |
| 2062 | } else if (leftuv < (UV)rightiv) { | |
| 2063 | value = -1; | |
| 2064 | } else { | |
| 2065 | value = 0; | |
| 2066 | } | |
| 2067 | } | |
| 2068 | } else { /* ## IV <=> UV ## */ | |
| 2069 | IV leftiv; | |
| 2070 | UV rightuv; | |
| 2071 | ||
| 2072 | leftiv = SvIVX(TOPm1s); | |
| 2073 | if (leftiv < 0) { | |
| 2074 | /* As (b) is a UV, it's >=0, so it must be < */ | |
| 2075 | value = -1; | |
| 2076 | } else { | |
| 2077 | rightuv = SvUVX(TOPs); | |
| 83bac5dd | 2078 | if ((UV)leftiv > rightuv) { |
| 28e5dec8 | 2079 | value = 1; |
| 83bac5dd | 2080 | } else if ((UV)leftiv < rightuv) { |
| 28e5dec8 JH |
2081 | value = -1; |
| 2082 | } else { | |
| 2083 | value = 0; | |
| 2084 | } | |
| 2085 | } | |
| 2086 | } | |
| 2087 | SP--; | |
| 2088 | SETi(value); | |
| 2089 | RETURN; | |
| 2090 | } | |
| 2091 | } | |
| 2092 | #endif | |
| a0d0e21e LW |
2093 | { |
| 2094 | dPOPTOPnnrl; | |
| 2095 | I32 value; | |
| 79072805 | 2096 | |
| a3540c92 | 2097 | #ifdef Perl_isnan |
| 1ad04cfd JH |
2098 | if (Perl_isnan(left) || Perl_isnan(right)) { |
| 2099 | SETs(&PL_sv_undef); | |
| 2100 | RETURN; | |
| 2101 | } | |
| 2102 | value = (left > right) - (left < right); | |
| 2103 | #else | |
| ff0cee69 | 2104 | if (left == right) |
| a0d0e21e | 2105 | value = 0; |
| a0d0e21e LW |
2106 | else if (left < right) |
| 2107 | value = -1; | |
| 44a8e56a | 2108 | else if (left > right) |
| 2109 | value = 1; | |
| 2110 | else { | |
| 3280af22 | 2111 | SETs(&PL_sv_undef); |
| 44a8e56a | 2112 | RETURN; |
| 2113 | } | |
| 1ad04cfd | 2114 | #endif |
| a0d0e21e LW |
2115 | SETi(value); |
| 2116 | RETURN; | |
| 79072805 | 2117 | } |
| a0d0e21e | 2118 | } |
| 79072805 | 2119 | |
| a0d0e21e LW |
2120 | PP(pp_slt) |
| 2121 | { | |
| 39644a26 | 2122 | dSP; tryAMAGICbinSET(slt,0); |
| a0d0e21e LW |
2123 | { |
| 2124 | dPOPTOPssrl; | |
| 2de3dbcc | 2125 | int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2126 | ? sv_cmp_locale(left, right) |
| 2127 | : sv_cmp(left, right)); | |
| 54310121 | 2128 | SETs(boolSV(cmp < 0)); |
| a0d0e21e LW |
2129 | RETURN; |
| 2130 | } | |
| 79072805 LW |
2131 | } |
| 2132 | ||
| a0d0e21e | 2133 | PP(pp_sgt) |
| 79072805 | 2134 | { |
| 39644a26 | 2135 | dSP; tryAMAGICbinSET(sgt,0); |
| a0d0e21e LW |
2136 | { |
| 2137 | dPOPTOPssrl; | |
| 2de3dbcc | 2138 | int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2139 | ? sv_cmp_locale(left, right) |
| 2140 | : sv_cmp(left, right)); | |
| 54310121 | 2141 | SETs(boolSV(cmp > 0)); |
| a0d0e21e LW |
2142 | RETURN; |
| 2143 | } | |
| 2144 | } | |
| 79072805 | 2145 | |
| a0d0e21e LW |
2146 | PP(pp_sle) |
| 2147 | { | |
| 39644a26 | 2148 | dSP; tryAMAGICbinSET(sle,0); |
| a0d0e21e LW |
2149 | { |
| 2150 | dPOPTOPssrl; | |
| 2de3dbcc | 2151 | int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2152 | ? sv_cmp_locale(left, right) |
| 2153 | : sv_cmp(left, right)); | |
| 54310121 | 2154 | SETs(boolSV(cmp <= 0)); |
| a0d0e21e | 2155 | RETURN; |
| 79072805 | 2156 | } |
| 79072805 LW |
2157 | } |
| 2158 | ||
| a0d0e21e LW |
2159 | PP(pp_sge) |
| 2160 | { | |
| 39644a26 | 2161 | dSP; tryAMAGICbinSET(sge,0); |
| a0d0e21e LW |
2162 | { |
| 2163 | dPOPTOPssrl; | |
| 2de3dbcc | 2164 | int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2165 | ? sv_cmp_locale(left, right) |
| 2166 | : sv_cmp(left, right)); | |
| 54310121 | 2167 | SETs(boolSV(cmp >= 0)); |
| a0d0e21e LW |
2168 | RETURN; |
| 2169 | } | |
| 2170 | } | |
| 79072805 | 2171 | |
| 36477c24 | 2172 | PP(pp_seq) |
| 2173 | { | |
| 39644a26 | 2174 | dSP; tryAMAGICbinSET(seq,0); |
| 36477c24 | 2175 | { |
| 2176 | dPOPTOPssrl; | |
| 54310121 | 2177 | SETs(boolSV(sv_eq(left, right))); |
| a0d0e21e LW |
2178 | RETURN; |
| 2179 | } | |
| 2180 | } | |
| 79072805 | 2181 | |
| a0d0e21e | 2182 | PP(pp_sne) |
| 79072805 | 2183 | { |
| 39644a26 | 2184 | dSP; tryAMAGICbinSET(sne,0); |
| a0d0e21e LW |
2185 | { |
| 2186 | dPOPTOPssrl; | |
| 54310121 | 2187 | SETs(boolSV(!sv_eq(left, right))); |
| a0d0e21e | 2188 | RETURN; |
| 463ee0b2 | 2189 | } |
| 79072805 LW |
2190 | } |
| 2191 | ||
| a0d0e21e | 2192 | PP(pp_scmp) |
| 79072805 | 2193 | { |
| 39644a26 | 2194 | dSP; dTARGET; tryAMAGICbin(scmp,0); |
| a0d0e21e LW |
2195 | { |
| 2196 | dPOPTOPssrl; | |
| 2de3dbcc | 2197 | int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2198 | ? sv_cmp_locale(left, right) |
| 2199 | : sv_cmp(left, right)); | |
| 2200 | SETi( cmp ); | |
| a0d0e21e LW |
2201 | RETURN; |
| 2202 | } | |
| 2203 | } | |
| 79072805 | 2204 | |
| 55497cff | 2205 | PP(pp_bit_and) |
| 2206 | { | |
| 39644a26 | 2207 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
| a0d0e21e LW |
2208 | { |
| 2209 | dPOPTOPssrl; | |
| 4633a7c4 | 2210 | if (SvNIOKp(left) || SvNIOKp(right)) { |
| d0ba1bd2 | 2211 | if (PL_op->op_private & HINT_INTEGER) { |
| 972b05a9 JH |
2212 | IV i = SvIV(left) & SvIV(right); |
| 2213 | SETi(i); | |
| d0ba1bd2 JH |
2214 | } |
| 2215 | else { | |
| 972b05a9 JH |
2216 | UV u = SvUV(left) & SvUV(right); |
| 2217 | SETu(u); | |
| d0ba1bd2 | 2218 | } |
| a0d0e21e LW |
2219 | } |
| 2220 | else { | |
| 533c011a | 2221 | do_vop(PL_op->op_type, TARG, left, right); |
| a0d0e21e LW |
2222 | SETTARG; |
| 2223 | } | |
| 2224 | RETURN; | |
| 2225 | } | |
| 2226 | } | |
| 79072805 | 2227 | |
| a0d0e21e LW |
2228 | PP(pp_bit_xor) |
| 2229 | { | |
| 39644a26 | 2230 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
| a0d0e21e LW |
2231 | { |
| 2232 | dPOPTOPssrl; | |
| 4633a7c4 | 2233 | if (SvNIOKp(left) || SvNIOKp(right)) { |
| d0ba1bd2 | 2234 | if (PL_op->op_private & HINT_INTEGER) { |
| 972b05a9 JH |
2235 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
| 2236 | SETi(i); | |
| d0ba1bd2 JH |
2237 | } |
| 2238 | else { | |
| 972b05a9 JH |
2239 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
| 2240 | SETu(u); | |
| d0ba1bd2 | 2241 | } |
| a0d0e21e LW |
2242 | } |
| 2243 | else { | |
| 533c011a | 2244 | do_vop(PL_op->op_type, TARG, left, right); |
| a0d0e21e LW |
2245 | SETTARG; |
| 2246 | } | |
| 2247 | RETURN; | |
| 2248 | } | |
| 2249 | } | |
| 79072805 | 2250 | |
| a0d0e21e LW |
2251 | PP(pp_bit_or) |
| 2252 | { | |
| 39644a26 | 2253 | dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
| a0d0e21e LW |
2254 | { |
| 2255 | dPOPTOPssrl; | |
| 4633a7c4 | 2256 | if (SvNIOKp(left) || SvNIOKp(right)) { |
| d0ba1bd2 | 2257 | if (PL_op->op_private & HINT_INTEGER) { |
| 972b05a9 JH |
2258 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
| 2259 | SETi(i); | |
| d0ba1bd2 JH |
2260 | } |
| 2261 | else { | |
| 972b05a9 JH |
2262 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
| 2263 | SETu(u); | |
| d0ba1bd2 | 2264 | } |
| a0d0e21e LW |
2265 | } |
| 2266 | else { | |
| 533c011a | 2267 | do_vop(PL_op->op_type, TARG, left, right); |
| a0d0e21e LW |
2268 | SETTARG; |
| 2269 | } | |
| 2270 | RETURN; | |
| 79072805 | 2271 | } |
| a0d0e21e | 2272 | } |
| 79072805 | 2273 | |
| a0d0e21e LW |
2274 | PP(pp_negate) |
| 2275 | { | |
| 39644a26 | 2276 | dSP; dTARGET; tryAMAGICun(neg); |
| a0d0e21e LW |
2277 | { |
| 2278 | dTOPss; | |
| 28e5dec8 | 2279 | int flags = SvFLAGS(sv); |
| 4633a7c4 LW |
2280 | if (SvGMAGICAL(sv)) |
| 2281 | mg_get(sv); | |
| 28e5dec8 JH |
2282 | if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) { |
| 2283 | /* It's publicly an integer, or privately an integer-not-float */ | |
| 2284 | oops_its_an_int: | |
| 9b0e499b GS |
2285 | if (SvIsUV(sv)) { |
| 2286 | if (SvIVX(sv) == IV_MIN) { | |
| 28e5dec8 | 2287 | /* 2s complement assumption. */ |
| 9b0e499b GS |
2288 | SETi(SvIVX(sv)); /* special case: -((UV)IV_MAX+1) == IV_MIN */ |
| 2289 | RETURN; | |
| 2290 | } | |
| 2291 | else if (SvUVX(sv) <= IV_MAX) { | |
| beccb14c | 2292 | SETi(-SvIVX(sv)); |
| 9b0e499b GS |
2293 | RETURN; |
| 2294 | } | |
| 2295 | } | |
| 2296 | else if (SvIVX(sv) != IV_MIN) { | |
| 2297 | SETi(-SvIVX(sv)); | |
| 2298 | RETURN; | |
| 2299 | } | |
| 28e5dec8 JH |
2300 | #ifdef PERL_PRESERVE_IVUV |
| 2301 | else { | |
| 2302 | SETu((UV)IV_MIN); | |
| 2303 | RETURN; | |
| 2304 | } | |
| 2305 | #endif | |
| 9b0e499b GS |
2306 | } |
| 2307 | if (SvNIOKp(sv)) | |
| a0d0e21e | 2308 | SETn(-SvNV(sv)); |
| 4633a7c4 | 2309 | else if (SvPOKp(sv)) { |
| a0d0e21e LW |
2310 | STRLEN len; |
| 2311 | char *s = SvPV(sv, len); | |
| bbce6d69 | 2312 | if (isIDFIRST(*s)) { |
| a0d0e21e LW |
2313 | sv_setpvn(TARG, "-", 1); |
| 2314 | sv_catsv(TARG, sv); | |
| 79072805 | 2315 | } |
| a0d0e21e LW |
2316 | else if (*s == '+' || *s == '-') { |
| 2317 | sv_setsv(TARG, sv); | |
| 2318 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
| 79072805 | 2319 | } |
| 8eb28a70 JH |
2320 | else if (DO_UTF8(sv)) { |
| 2321 | SvIV_please(sv); | |
| 2322 | if (SvIOK(sv)) | |
| 2323 | goto oops_its_an_int; | |
| 2324 | if (SvNOK(sv)) | |
| 2325 | sv_setnv(TARG, -SvNV(sv)); | |
| 2326 | else { | |
| 2327 | sv_setpvn(TARG, "-", 1); | |
| 2328 | sv_catsv(TARG, sv); | |
| 2329 | } | |
| 834a4ddd | 2330 | } |
| 28e5dec8 | 2331 | else { |
| 8eb28a70 JH |
2332 | SvIV_please(sv); |
| 2333 | if (SvIOK(sv)) | |
| 2334 | goto oops_its_an_int; | |
| 2335 | sv_setnv(TARG, -SvNV(sv)); | |
| 28e5dec8 | 2336 | } |
| a0d0e21e | 2337 | SETTARG; |
| 79072805 | 2338 | } |
| 4633a7c4 LW |
2339 | else |
| 2340 | SETn(-SvNV(sv)); | |
| 79072805 | 2341 | } |
| a0d0e21e | 2342 | RETURN; |
| 79072805 LW |
2343 | } |
| 2344 | ||
| a0d0e21e | 2345 | PP(pp_not) |
| 79072805 | 2346 | { |
| 39644a26 | 2347 | dSP; tryAMAGICunSET(not); |
| 3280af22 | 2348 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
| a0d0e21e | 2349 | return NORMAL; |
| 79072805 LW |
2350 | } |
| 2351 | ||
| a0d0e21e | 2352 | PP(pp_complement) |
| 79072805 | 2353 | { |
| 39644a26 | 2354 | dSP; dTARGET; tryAMAGICun(compl); |
| a0d0e21e LW |
2355 | { |
| 2356 | dTOPss; | |
| 4633a7c4 | 2357 | if (SvNIOKp(sv)) { |
| d0ba1bd2 | 2358 | if (PL_op->op_private & HINT_INTEGER) { |
| 972b05a9 JH |
2359 | IV i = ~SvIV(sv); |
| 2360 | SETi(i); | |
| d0ba1bd2 JH |
2361 | } |
| 2362 | else { | |
| 972b05a9 JH |
2363 | UV u = ~SvUV(sv); |
| 2364 | SETu(u); | |
| d0ba1bd2 | 2365 | } |
| a0d0e21e LW |
2366 | } |
| 2367 | else { | |
| 51723571 | 2368 | register U8 *tmps; |
| 55497cff | 2369 | register I32 anum; |
| a0d0e21e LW |
2370 | STRLEN len; |
| 2371 | ||
| 2372 | SvSetSV(TARG, sv); | |
| 51723571 | 2373 | tmps = (U8*)SvPV_force(TARG, len); |
| a0d0e21e | 2374 | anum = len; |
| 1d68d6cd | 2375 | if (SvUTF8(TARG)) { |
| a1ca4561 | 2376 | /* Calculate exact length, let's not estimate. */ |
| 1d68d6cd SC |
2377 | STRLEN targlen = 0; |
| 2378 | U8 *result; | |
| 51723571 | 2379 | U8 *send; |
| ba210ebe | 2380 | STRLEN l; |
| a1ca4561 YST |
2381 | UV nchar = 0; |
| 2382 | UV nwide = 0; | |
| 1d68d6cd SC |
2383 | |
| 2384 | send = tmps + len; | |
| 2385 | while (tmps < send) { | |
| 9041c2e3 | 2386 | UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
| 1d68d6cd | 2387 | tmps += UTF8SKIP(tmps); |
| 5bbb0b5a | 2388 | targlen += UNISKIP(~c); |
| a1ca4561 YST |
2389 | nchar++; |
| 2390 | if (c > 0xff) | |
| 2391 | nwide++; | |
| 1d68d6cd SC |
2392 | } |
| 2393 | ||
| 2394 | /* Now rewind strings and write them. */ | |
| 2395 | tmps -= len; | |
| a1ca4561 YST |
2396 | |
| 2397 | if (nwide) { | |
| 2398 | Newz(0, result, targlen + 1, U8); | |
| 2399 | while (tmps < send) { | |
| 9041c2e3 | 2400 | UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
| a1ca4561 | 2401 | tmps += UTF8SKIP(tmps); |
| b851fbc1 | 2402 | result = uvchr_to_utf8_flags(result, ~c, UNICODE_ALLOW_ANY); |
| a1ca4561 YST |
2403 | } |
| 2404 | *result = '\0'; | |
| 2405 | result -= targlen; | |
| 2406 | sv_setpvn(TARG, (char*)result, targlen); | |
| 2407 | SvUTF8_on(TARG); | |
| 2408 | } | |
| 2409 | else { | |
| 2410 | Newz(0, result, nchar + 1, U8); | |
| 2411 | while (tmps < send) { | |
| 9041c2e3 | 2412 | U8 c = (U8)utf8n_to_uvchr(tmps, 0, &l, UTF8_ALLOW_ANY); |
| a1ca4561 YST |
2413 | tmps += UTF8SKIP(tmps); |
| 2414 | *result++ = ~c; | |
| 2415 | } | |
| 2416 | *result = '\0'; | |
| 2417 | result -= nchar; | |
| 2418 | sv_setpvn(TARG, (char*)result, nchar); | |
| 1d68d6cd | 2419 | } |
| 1d68d6cd SC |
2420 | Safefree(result); |
| 2421 | SETs(TARG); | |
| 2422 | RETURN; | |
| 2423 | } | |
| a0d0e21e | 2424 | #ifdef LIBERAL |
| 51723571 JH |
2425 | { |
| 2426 | register long *tmpl; | |
| 2427 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
| 2428 | *tmps = ~*tmps; | |
| 2429 | tmpl = (long*)tmps; | |
| 2430 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
| 2431 | *tmpl = ~*tmpl; | |
| 2432 | tmps = (U8*)tmpl; | |
| 2433 | } | |
| a0d0e21e LW |
2434 | #endif |
| 2435 | for ( ; anum > 0; anum--, tmps++) | |
| 2436 | *tmps = ~*tmps; | |
| 2437 | ||
| 2438 | SETs(TARG); | |
| 2439 | } | |
| 2440 | RETURN; | |
| 2441 | } | |
| 79072805 LW |
2442 | } |
| 2443 | ||
| a0d0e21e LW |
2444 | /* integer versions of some of the above */ |
| 2445 | ||
| a0d0e21e | 2446 | PP(pp_i_multiply) |
| 79072805 | 2447 | { |
| 39644a26 | 2448 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
| a0d0e21e LW |
2449 | { |
| 2450 | dPOPTOPiirl; | |
| 2451 | SETi( left * right ); | |
| 2452 | RETURN; | |
| 2453 | } | |
| 79072805 LW |
2454 | } |
| 2455 | ||
| a0d0e21e | 2456 | PP(pp_i_divide) |
| 79072805 | 2457 | { |
| 39644a26 | 2458 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
| a0d0e21e LW |
2459 | { |
| 2460 | dPOPiv; | |
| 2461 | if (value == 0) | |
| cea2e8a9 | 2462 | DIE(aTHX_ "Illegal division by zero"); |
| a0d0e21e LW |
2463 | value = POPi / value; |
| 2464 | PUSHi( value ); | |
| 2465 | RETURN; | |
| 2466 | } | |
| 79072805 LW |
2467 | } |
| 2468 | ||
| 224ec323 JH |
2469 | STATIC |
| 2470 | PP(pp_i_modulo_0) | |
| 2471 | { | |
| 2472 | /* This is the vanilla old i_modulo. */ | |
| 2473 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); | |
| 2474 | { | |
| 2475 | dPOPTOPiirl; | |
| 2476 | if (!right) | |
| 2477 | DIE(aTHX_ "Illegal modulus zero"); | |
| 2478 | SETi( left % right ); | |
| 2479 | RETURN; | |
| 2480 | } | |
| 2481 | } | |
| 2482 | ||
| 11010fa3 | 2483 | #if defined(__GLIBC__) && IVSIZE == 8 |
| 224ec323 JH |
2484 | STATIC |
| 2485 | PP(pp_i_modulo_1) | |
| 2486 | { | |
| 224ec323 | 2487 | /* This is the i_modulo with the workaround for the _moddi3 bug |
| fce2b89e | 2488 | * in (at least) glibc 2.2.5 (the PERL_ABS() the workaround). |
| 224ec323 JH |
2489 | * See below for pp_i_modulo. */ |
| 2490 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); | |
| 2491 | { | |
| 2492 | dPOPTOPiirl; | |
| 2493 | if (!right) | |
| 2494 | DIE(aTHX_ "Illegal modulus zero"); | |
| 32fdb065 | 2495 | SETi( left % PERL_ABS(right) ); |
| 224ec323 JH |
2496 | RETURN; |
| 2497 | } | |
| 224ec323 | 2498 | } |
| fce2b89e | 2499 | #endif |
| 224ec323 | 2500 | |
| a0d0e21e | 2501 | PP(pp_i_modulo) |
| 79072805 | 2502 | { |
| 224ec323 JH |
2503 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
| 2504 | { | |
| 2505 | dPOPTOPiirl; | |
| 2506 | if (!right) | |
| 2507 | DIE(aTHX_ "Illegal modulus zero"); | |
| 2508 | /* The assumption is to use hereafter the old vanilla version... */ | |
| 2509 | PL_op->op_ppaddr = | |
| 2510 | PL_ppaddr[OP_I_MODULO] = | |
| 2511 | &Perl_pp_i_modulo_0; | |
| 2512 | /* .. but if we have glibc, we might have a buggy _moddi3 | |
| 2513 | * (at least glicb 2.2.5 is known to have this bug), in other | |
| 2514 | * words our integer modulus with negative quad as the second | |
| 2515 | * argument might be broken. Test for this and re-patch the | |
| 2516 | * opcode dispatch table if that is the case, remembering to | |
| 2517 | * also apply the workaround so that this first round works | |
| 2518 | * right, too. See [perl #9402] for more information. */ | |
| 2519 | #if defined(__GLIBC__) && IVSIZE == 8 | |
| 2520 | { | |
| 2521 | IV l = 3; | |
| 2522 | IV r = -10; | |
| 2523 | /* Cannot do this check with inlined IV constants since | |
| 2524 | * that seems to work correctly even with the buggy glibc. */ | |
| 2525 | if (l % r == -3) { | |
| 2526 | /* Yikes, we have the bug. | |
| 2527 | * Patch in the workaround version. */ | |
| 2528 | PL_op->op_ppaddr = | |
| 2529 | PL_ppaddr[OP_I_MODULO] = | |
| 2530 | &Perl_pp_i_modulo_1; | |
| 2531 | /* Make certain we work right this time, too. */ | |
| 32fdb065 | 2532 | right = PERL_ABS(right); |
| 224ec323 JH |
2533 | } |
| 2534 | } | |
| 2535 | #endif | |
| 2536 | SETi( left % right ); | |
| 2537 | RETURN; | |
| 2538 | } | |
| 79072805 LW |
2539 | } |
| 2540 | ||
| a0d0e21e | 2541 | PP(pp_i_add) |
| 79072805 | 2542 | { |
| 39644a26 | 2543 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
| a0d0e21e | 2544 | { |
| 5e66d4f1 | 2545 | dPOPTOPiirl_ul; |
| a0d0e21e LW |
2546 | SETi( left + right ); |
| 2547 | RETURN; | |
| 79072805 | 2548 | } |
| 79072805 LW |
2549 | } |
| 2550 | ||
| a0d0e21e | 2551 | PP(pp_i_subtract) |
| 79072805 | 2552 | { |
| 39644a26 | 2553 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
| a0d0e21e | 2554 | { |
| 5e66d4f1 | 2555 | dPOPTOPiirl_ul; |
| a0d0e21e LW |
2556 | SETi( left - right ); |
| 2557 | RETURN; | |
| 79072805 | 2558 | } |
| 79072805 LW |
2559 | } |
| 2560 | ||
| a0d0e21e | 2561 | PP(pp_i_lt) |
| 79072805 | 2562 | { |
| 39644a26 | 2563 | dSP; tryAMAGICbinSET(lt,0); |
| a0d0e21e LW |
2564 | { |
| 2565 | dPOPTOPiirl; | |
| 54310121 | 2566 | SETs(boolSV(left < right)); |
| a0d0e21e LW |
2567 | RETURN; |
| 2568 | } | |
| 79072805 LW |
2569 | } |
| 2570 | ||
| a0d0e21e | 2571 | PP(pp_i_gt) |
| 79072805 | 2572 | { |
| 39644a26 | 2573 | dSP; tryAMAGICbinSET(gt,0); |
| a0d0e21e LW |
2574 | { |
| 2575 | dPOPTOPiirl; | |
| 54310121 | 2576 | SETs(boolSV(left > right)); |
| a0d0e21e LW |
2577 | RETURN; |
| 2578 | } | |
| 79072805 LW |
2579 | } |
| 2580 | ||
| a0d0e21e | 2581 | PP(pp_i_le) |
| 79072805 | 2582 | { |
| 39644a26 | 2583 | dSP; tryAMAGICbinSET(le,0); |
| a0d0e21e LW |
2584 | { |
| 2585 | dPOPTOPiirl; | |
| 54310121 | 2586 | SETs(boolSV(left <= right)); |
| a0d0e21e | 2587 | RETURN; |
| 85e6fe83 | 2588 | } |
| 79072805 LW |
2589 | } |
| 2590 | ||
| a0d0e21e | 2591 | PP(pp_i_ge) |
| 79072805 | 2592 | { |
| 39644a26 | 2593 | dSP; tryAMAGICbinSET(ge,0); |
| a0d0e21e LW |
2594 | { |
| 2595 | dPOPTOPiirl; | |
| 54310121 | 2596 | SETs(boolSV(left >= right)); |
| a0d0e21e LW |
2597 | RETURN; |
| 2598 | } | |
| 79072805 LW |
2599 | } |
| 2600 | ||
| a0d0e21e | 2601 | PP(pp_i_eq) |
| 79072805 | 2602 | { |
| 39644a26 | 2603 | dSP; tryAMAGICbinSET(eq,0); |
| a0d0e21e LW |
2604 | { |
| 2605 | dPOPTOPiirl; | |
| 54310121 | 2606 | SETs(boolSV(left == right)); |
| a0d0e21e LW |
2607 | RETURN; |
| 2608 | } | |
| 79072805 LW |
2609 | } |
| 2610 | ||
| a0d0e21e | 2611 | PP(pp_i_ne) |
| 79072805 | 2612 | { |
| 39644a26 | 2613 | dSP; tryAMAGICbinSET(ne,0); |
| a0d0e21e LW |
2614 | { |
| 2615 | dPOPTOPiirl; | |
| 54310121 | 2616 | SETs(boolSV(left != right)); |
| a0d0e21e LW |
2617 | RETURN; |
| 2618 | } | |
| 79072805 LW |
2619 | } |
| 2620 | ||
| a0d0e21e | 2621 | PP(pp_i_ncmp) |
| 79072805 | 2622 | { |
| 39644a26 | 2623 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
| a0d0e21e LW |
2624 | { |
| 2625 | dPOPTOPiirl; | |
| 2626 | I32 value; | |
| 79072805 | 2627 | |
| a0d0e21e | 2628 | if (left > right) |
| 79072805 | 2629 | value = 1; |
| a0d0e21e | 2630 | else if (left < right) |
| 79072805 | 2631 | value = -1; |
| a0d0e21e | 2632 | else |
| 79072805 | 2633 | value = 0; |
| a0d0e21e LW |
2634 | SETi(value); |
| 2635 | RETURN; | |
| 79072805 | 2636 | } |
| 85e6fe83 LW |
2637 | } |
| 2638 | ||
| 2639 | PP(pp_i_negate) | |
| 2640 | { | |
| 39644a26 | 2641 | dSP; dTARGET; tryAMAGICun(neg); |
| 85e6fe83 LW |
2642 | SETi(-TOPi); |
| 2643 | RETURN; | |
| 2644 | } | |
| 2645 | ||
| 79072805 LW |
2646 | /* High falutin' math. */ |
| 2647 | ||
| 2648 | PP(pp_atan2) | |
| 2649 | { | |
| 39644a26 | 2650 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
| a0d0e21e LW |
2651 | { |
| 2652 | dPOPTOPnnrl; | |
| 65202027 | 2653 | SETn(Perl_atan2(left, right)); |
| a0d0e21e LW |
2654 | RETURN; |
| 2655 | } | |
| 79072805 LW |
2656 | } |
| 2657 | ||
| 2658 | PP(pp_sin) | |
| 2659 | { | |
| 39644a26 | 2660 | dSP; dTARGET; tryAMAGICun(sin); |
| a0d0e21e | 2661 | { |
| 65202027 | 2662 | NV value; |
| a0d0e21e | 2663 | value = POPn; |
| 65202027 | 2664 | value = Perl_sin(value); |
| a0d0e21e LW |
2665 | XPUSHn(value); |
| 2666 | RETURN; | |
| 2667 | } | |
| 79072805 LW |
2668 | } |
| 2669 | ||
| 2670 | PP(pp_cos) | |
| 2671 | { | |
| 39644a26 | 2672 | dSP; dTARGET; tryAMAGICun(cos); |
| a0d0e21e | 2673 | { |
| 65202027 | 2674 | NV value; |
| a0d0e21e | 2675 | value = POPn; |
| 65202027 | 2676 | value = Perl_cos(value); |
| a0d0e21e LW |
2677 | XPUSHn(value); |
| 2678 | RETURN; | |
| 2679 | } | |
| 79072805 LW |
2680 | } |
| 2681 | ||
| 56cb0a1c AD |
2682 | /* Support Configure command-line overrides for rand() functions. |
| 2683 | After 5.005, perhaps we should replace this by Configure support | |
| 2684 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
| 2685 | compatibility by calling rand() but allow the user to override it. | |
| 2686 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
| 2687 | */ | |
| 85ab1d1d JH |
2688 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
| 2689 | in addition to rand(). So the overrides should not be needed any more. | |
| 2690 | --Jarkko Hietaniemi 27 September 1998 | |
| 2691 | */ | |
| 2692 | ||
| 2693 | #ifndef HAS_DRAND48_PROTO | |
| 20ce7b12 | 2694 | extern double drand48 (void); |
| 56cb0a1c AD |
2695 | #endif |
| 2696 | ||
| 79072805 LW |
2697 | PP(pp_rand) |
| 2698 | { | |
| 39644a26 | 2699 | dSP; dTARGET; |
| 65202027 | 2700 | NV value; |
| 79072805 LW |
2701 | if (MAXARG < 1) |
| 2702 | value = 1.0; | |
| 2703 | else | |
| 2704 | value = POPn; | |
| 2705 | if (value == 0.0) | |
| 2706 | value = 1.0; | |
| 80252599 | 2707 | if (!PL_srand_called) { |
| 85ab1d1d | 2708 | (void)seedDrand01((Rand_seed_t)seed()); |
| 80252599 | 2709 | PL_srand_called = TRUE; |
| 93dc8474 | 2710 | } |
| 85ab1d1d | 2711 | value *= Drand01(); |
| 79072805 LW |
2712 | XPUSHn(value); |
| 2713 | RETURN; | |
| 2714 | } | |
| 2715 | ||
| 2716 | PP(pp_srand) | |
| 2717 | { | |
| 39644a26 | 2718 | dSP; |
| 93dc8474 CS |
2719 | UV anum; |
| 2720 | if (MAXARG < 1) | |
| 2721 | anum = seed(); | |
| 79072805 | 2722 | else |
| 93dc8474 | 2723 | anum = POPu; |
| 85ab1d1d | 2724 | (void)seedDrand01((Rand_seed_t)anum); |
| 80252599 | 2725 | PL_srand_called = TRUE; |
| 79072805 LW |
2726 | EXTEND(SP, 1); |
| 2727 | RETPUSHYES; | |
| 2728 | } | |
| 2729 | ||
| 76e3520e | 2730 | STATIC U32 |
| cea2e8a9 | 2731 | S_seed(pTHX) |
| 93dc8474 | 2732 | { |
| 54310121 | 2733 | /* |
| 2734 | * This is really just a quick hack which grabs various garbage | |
| 2735 | * values. It really should be a real hash algorithm which | |
| 2736 | * spreads the effect of every input bit onto every output bit, | |
| 85ab1d1d | 2737 | * if someone who knows about such things would bother to write it. |
| 54310121 | 2738 | * Might be a good idea to add that function to CORE as well. |
| 85ab1d1d | 2739 | * No numbers below come from careful analysis or anything here, |
| 54310121 | 2740 | * except they are primes and SEED_C1 > 1E6 to get a full-width |
| 2741 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
| 2742 | * probably be bigger too. | |
| 2743 | */ | |
| 2744 | #if RANDBITS > 16 | |
| 2745 | # define SEED_C1 1000003 | |
| 2746 | #define SEED_C4 73819 | |
| 2747 | #else | |
| 2748 | # define SEED_C1 25747 | |
| 2749 | #define SEED_C4 20639 | |
| 2750 | #endif | |
| 2751 | #define SEED_C2 3 | |
| 2752 | #define SEED_C3 269 | |
| 2753 | #define SEED_C5 26107 | |
| 2754 | ||
| 73c60299 RS |
2755 | #ifndef PERL_NO_DEV_RANDOM |
| 2756 | int fd; | |
| 2757 | #endif | |
| 93dc8474 | 2758 | U32 u; |
| f12c7020 | 2759 | #ifdef VMS |
| 2760 | # include <starlet.h> | |
| 43c92808 HF |
2761 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
| 2762 | * in 100-ns units, typically incremented ever 10 ms. */ | |
| 93dc8474 | 2763 | unsigned int when[2]; |
| 73c60299 RS |
2764 | #else |
| 2765 | # ifdef HAS_GETTIMEOFDAY | |
| 2766 | struct timeval when; | |
| 2767 | # else | |
| 2768 | Time_t when; | |
| 2769 | # endif | |
| 2770 | #endif | |
| 2771 | ||
| 2772 | /* This test is an escape hatch, this symbol isn't set by Configure. */ | |
| 2773 | #ifndef PERL_NO_DEV_RANDOM | |
| 2774 | #ifndef PERL_RANDOM_DEVICE | |
| 2775 | /* /dev/random isn't used by default because reads from it will block | |
| 2776 | * if there isn't enough entropy available. You can compile with | |
| 2777 | * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there | |
| 2778 | * is enough real entropy to fill the seed. */ | |
| 2779 | # define PERL_RANDOM_DEVICE "/dev/urandom" | |
| 2780 | #endif | |
| 2781 | fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0); | |
| 2782 | if (fd != -1) { | |
| 2783 | if (PerlLIO_read(fd, &u, sizeof u) != sizeof u) | |
| 2784 | u = 0; | |
| 2785 | PerlLIO_close(fd); | |
| 2786 | if (u) | |
| 2787 | return u; | |
| 2788 | } | |
| 2789 | #endif | |
| 2790 | ||
| 2791 | #ifdef VMS | |
| 93dc8474 | 2792 | _ckvmssts(sys$gettim(when)); |
| 54310121 | 2793 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
| f12c7020 | 2794 | #else |
| 5f05dabc | 2795 | # ifdef HAS_GETTIMEOFDAY |
| 57ab3dfe | 2796 | PerlProc_gettimeofday(&when,NULL); |
| 54310121 | 2797 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
| f12c7020 | 2798 | # else |
| 93dc8474 | 2799 | (void)time(&when); |
| 54310121 | 2800 | u = (U32)SEED_C1 * when; |
| f12c7020 | 2801 | # endif |
| 2802 | #endif | |
| 7766f137 | 2803 | u += SEED_C3 * (U32)PerlProc_getpid(); |
| 56431972 | 2804 | u += SEED_C4 * (U32)PTR2UV(PL_stack_sp); |
| 54310121 | 2805 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
| 56431972 | 2806 | u += SEED_C5 * (U32)PTR2UV(&when); |
| f12c7020 | 2807 | #endif |
| 93dc8474 | 2808 | return u; |
| 79072805 LW |
2809 | } |
| 2810 | ||
| 2811 | PP(pp_exp) | |
| 2812 | { | |
| 39644a26 | 2813 | dSP; dTARGET; tryAMAGICun(exp); |
| a0d0e21e | 2814 | { |
| 65202027 | 2815 | NV value; |
| a0d0e21e | 2816 | value = POPn; |
| 65202027 | 2817 | value = Perl_exp(value); |
| a0d0e21e LW |
2818 | XPUSHn(value); |
| 2819 | RETURN; | |
| 2820 | } | |
| 79072805 LW |
2821 | } |
| 2822 | ||
| 2823 | PP(pp_log) | |
| 2824 | { | |
| 39644a26 | 2825 | dSP; dTARGET; tryAMAGICun(log); |
| a0d0e21e | 2826 | { |
| 65202027 | 2827 | NV value; |
| a0d0e21e | 2828 | value = POPn; |
| bbce6d69 | 2829 | if (value <= 0.0) { |
| f93f4e46 | 2830 | SET_NUMERIC_STANDARD(); |
| 1779d84d | 2831 | DIE(aTHX_ "Can't take log of %"NVgf, value); |
| bbce6d69 | 2832 | } |
| 65202027 | 2833 | value = Perl_log(value); |
| a0d0e21e LW |
2834 | XPUSHn(value); |
| 2835 | RETURN; | |
| 2836 | } | |
| 79072805 LW |
2837 | } |
| 2838 | ||
| 2839 | PP(pp_sqrt) | |
| 2840 | { | |
| 39644a26 | 2841 | dSP; dTARGET; tryAMAGICun(sqrt); |
| a0d0e21e | 2842 | { |
| 65202027 | 2843 | NV value; |
| a0d0e21e | 2844 | value = POPn; |
| bbce6d69 | 2845 | if (value < 0.0) { |
| f93f4e46 | 2846 | SET_NUMERIC_STANDARD(); |
| 1779d84d | 2847 | DIE(aTHX_ "Can't take sqrt of %"NVgf, value); |
| bbce6d69 | 2848 | } |
| 65202027 | 2849 | value = Perl_sqrt(value); |
| a0d0e21e LW |
2850 | XPUSHn(value); |
| 2851 | RETURN; | |
| 2852 | } | |
| 79072805 LW |
2853 | } |
| 2854 | ||
| 24da999b JH |
2855 | /* |
| 2856 | * There are strange code-generation bugs caused on sparc64 by gcc-2.95.2. | |
| 2857 | * These need to be revisited when a newer toolchain becomes available. | |
| 2858 | */ | |
| 2859 | #if defined(__sparc64__) && defined(__GNUC__) | |
| 2860 | # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 96) | |
| 2861 | # undef SPARC64_MODF_WORKAROUND | |
| 2862 | # define SPARC64_MODF_WORKAROUND 1 | |
| 2863 | # endif | |
| 2864 | #endif | |
| 2865 | ||
| 2866 | #if defined(SPARC64_MODF_WORKAROUND) | |
| 2867 | static NV | |
| 2868 | sparc64_workaround_modf(NV theVal, NV *theIntRes) | |
| 2869 | { | |
| 2870 | NV res, ret; | |
| 2871 | ret = Perl_modf(theVal, &res); | |
| 2872 | *theIntRes = res; | |
| 2873 | return ret; | |
| 2874 | } | |
| 2875 | #endif | |
| 2876 | ||
| 79072805 LW |
2877 | PP(pp_int) |
| 2878 | { | |
| 39644a26 | 2879 | dSP; dTARGET; tryAMAGICun(int); |
| 774d564b | 2880 | { |
| 28e5dec8 JH |
2881 | NV value; |
| 2882 | IV iv = TOPi; /* attempt to convert to IV if possible. */ | |
| 2883 | /* XXX it's arguable that compiler casting to IV might be subtly | |
| 2884 | different from modf (for numbers inside (IV_MIN,UV_MAX)) in which | |
| 2885 | else preferring IV has introduced a subtle behaviour change bug. OTOH | |
| 2886 | relying on floating point to be accurate is a bug. */ | |
| 2887 | ||
| 2888 | if (SvIOK(TOPs)) { | |
| 2889 | if (SvIsUV(TOPs)) { | |
| 2890 | UV uv = TOPu; | |
| 2891 | SETu(uv); | |
| 2892 | } else | |
| 2893 | SETi(iv); | |
| 2894 | } else { | |
| 2895 | value = TOPn; | |
| 1048ea30 | 2896 | if (value >= 0.0) { |
| 28e5dec8 JH |
2897 | if (value < (NV)UV_MAX + 0.5) { |
| 2898 | SETu(U_V(value)); | |
| 2899 | } else { | |
| 24da999b | 2900 | #if defined(SPARC64_MODF_WORKAROUND) |
| 55954f19 JH |
2901 | (void)sparc64_workaround_modf(value, &value); |
| 2902 | #elif defined(HAS_MODFL_POW32_BUG) | |
| e67aeab1 | 2903 | /* some versions of glibc split (i + d) into (i-1, d+1) for 2^32 <= i < 2^64 */ |
| 55954f19 JH |
2904 | NV offset = Perl_modf(value, &value); |
| 2905 | (void)Perl_modf(offset, &offset); | |
| 2906 | value += offset; | |
| 2907 | #else | |
| 2908 | (void)Perl_modf(value, &value); | |
| 1048ea30 | 2909 | #endif |
| 2d9af89d | 2910 | SETn(value); |
| 28e5dec8 | 2911 | } |
| 1048ea30 | 2912 | } |
| 28e5dec8 JH |
2913 | else { |
| 2914 | if (value > (NV)IV_MIN - 0.5) { | |
| 2915 | SETi(I_V(value)); | |
| 2916 | } else { | |
| 55954f19 JH |
2917 | #if defined(SPARC64_MODF_WORKAROUND) |
| 2918 | (void)sparc64_workaround_modf(-value, &value); | |
| 2919 | #elif defined(HAS_MODFL_POW32_BUG) | |
| e67aeab1 | 2920 | /* some versions of glibc split (i + d) into (i-1, d+1) for 2^32 <= i < 2^64 */ |
| 55954f19 JH |
2921 | NV offset = Perl_modf(-value, &value); |
| 2922 | (void)Perl_modf(offset, &offset); | |
| 2923 | value += offset; | |
| 1048ea30 | 2924 | #else |
| 55954f19 | 2925 | (void)Perl_modf(-value, &value); |
| 1048ea30 | 2926 | #endif |
| 55954f19 | 2927 | SETn(-value); |
| 28e5dec8 JH |
2928 | } |
| 2929 | } | |
| 774d564b | 2930 | } |
| 79072805 | 2931 | } |
| 79072805 LW |
2932 | RETURN; |
| 2933 | } | |
| 2934 | ||
| 463ee0b2 LW |
2935 | PP(pp_abs) |
| 2936 | { | |
| 39644a26 | 2937 | dSP; dTARGET; tryAMAGICun(abs); |
| a0d0e21e | 2938 | { |
| 28e5dec8 JH |
2939 | /* This will cache the NV value if string isn't actually integer */ |
| 2940 | IV iv = TOPi; | |
| a227d84d | 2941 | |
| 28e5dec8 JH |
2942 | if (SvIOK(TOPs)) { |
| 2943 | /* IVX is precise */ | |
| 2944 | if (SvIsUV(TOPs)) { | |
| 2945 | SETu(TOPu); /* force it to be numeric only */ | |
| 2946 | } else { | |
| 2947 | if (iv >= 0) { | |
| 2948 | SETi(iv); | |
| 2949 | } else { | |
| 2950 | if (iv != IV_MIN) { | |
| 2951 | SETi(-iv); | |
| 2952 | } else { | |
| 2953 | /* 2s complement assumption. Also, not really needed as | |
| 2954 | IV_MIN and -IV_MIN should both be %100...00 and NV-able */ | |
| 2955 | SETu(IV_MIN); | |
| 2956 | } | |
| a227d84d | 2957 | } |
| 28e5dec8 JH |
2958 | } |
| 2959 | } else{ | |
| 2960 | NV value = TOPn; | |
| 774d564b | 2961 | if (value < 0.0) |
| 28e5dec8 | 2962 | value = -value; |
| 774d564b | 2963 | SETn(value); |
| 2964 | } | |
| a0d0e21e | 2965 | } |
| 774d564b | 2966 | RETURN; |
| 463ee0b2 LW |
2967 | } |
| 2968 | ||
| 53305cf1 | 2969 | |
| 79072805 LW |
2970 | PP(pp_hex) |
| 2971 | { | |
| 39644a26 | 2972 | dSP; dTARGET; |
| 79072805 | 2973 | char *tmps; |
| 53305cf1 | 2974 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
| 6f894ead | 2975 | STRLEN len; |
| 53305cf1 NC |
2976 | NV result_nv; |
| 2977 | UV result_uv; | |
| 2bc69dc4 | 2978 | SV* sv = POPs; |
| 79072805 | 2979 | |
| 2bc69dc4 NIS |
2980 | tmps = (SvPVx(sv, len)); |
| 2981 | if (DO_UTF8(sv)) { | |
| 2982 | /* If Unicode, try to downgrade | |
| 2983 | * If not possible, croak. */ | |
| 2984 | SV* tsv = sv_2mortal(newSVsv(sv)); | |
| 2985 | ||
| 2986 | SvUTF8_on(tsv); | |
| 2987 | sv_utf8_downgrade(tsv, FALSE); | |
| 2988 | tmps = SvPVX(tsv); | |
| 2989 | } | |
| 53305cf1 NC |
2990 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
| 2991 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
| 2992 | XPUSHn(result_nv); | |
| 2993 | } | |
| 2994 | else { | |
| 2995 | XPUSHu(result_uv); | |
| 2996 | } | |
| 79072805 LW |
2997 | RETURN; |
| 2998 | } | |
| 2999 | ||
| 3000 | PP(pp_oct) | |
| 3001 | { | |
| 39644a26 | 3002 | dSP; dTARGET; |
| 79072805 | 3003 | char *tmps; |
| 53305cf1 | 3004 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
| 6f894ead | 3005 | STRLEN len; |
| 53305cf1 NC |
3006 | NV result_nv; |
| 3007 | UV result_uv; | |
| 2bc69dc4 | 3008 | SV* sv = POPs; |
| 79072805 | 3009 | |
| 2bc69dc4 NIS |
3010 | tmps = (SvPVx(sv, len)); |
| 3011 | if (DO_UTF8(sv)) { | |
| 3012 | /* If Unicode, try to downgrade | |
| 3013 | * If not possible, croak. */ | |
| 3014 | SV* tsv = sv_2mortal(newSVsv(sv)); | |
| 3015 | ||
| 3016 | SvUTF8_on(tsv); | |
| 3017 | sv_utf8_downgrade(tsv, FALSE); | |
| 3018 | tmps = SvPVX(tsv); | |
| 3019 | } | |
| 6f894ead | 3020 | while (*tmps && len && isSPACE(*tmps)) |
| 53305cf1 | 3021 | tmps++, len--; |
| 9e24b6e2 | 3022 | if (*tmps == '0') |
| 53305cf1 | 3023 | tmps++, len--; |
| 9e24b6e2 | 3024 | if (*tmps == 'x') |
| 53305cf1 | 3025 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
| 9e24b6e2 | 3026 | else if (*tmps == 'b') |
| 53305cf1 | 3027 | result_uv = grok_bin (tmps, &len, &flags, &result_nv); |
| 464e2e8a | 3028 | else |
| 53305cf1 NC |
3029 | result_uv = grok_oct (tmps, &len, &flags, &result_nv); |
| 3030 | ||
| 3031 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
| 3032 | XPUSHn(result_nv); | |
| 3033 | } | |
| 3034 | else { | |
| 3035 | XPUSHu(result_uv); | |
| 3036 | } | |
| 79072805 LW |
3037 | RETURN; |
| 3038 | } | |
| 3039 | ||
| 3040 | /* String stuff. */ | |
| 3041 | ||
| 3042 | PP(pp_length) | |
| 3043 | { | |
| 39644a26 | 3044 | dSP; dTARGET; |
| 7e2040f0 | 3045 | SV *sv = TOPs; |
| a0ed51b3 | 3046 | |
| 7e2040f0 GS |
3047 | if (DO_UTF8(sv)) |
| 3048 | SETi(sv_len_utf8(sv)); | |
| 3049 | else | |
| 3050 | SETi(sv_len(sv)); | |
| 79072805 LW |
3051 | RETURN; |
| 3052 | } | |
| 3053 | ||
| 3054 | PP(pp_substr) | |
| 3055 | { | |
| 39644a26 | 3056 | dSP; dTARGET; |
| 79072805 | 3057 | SV *sv; |
| 9c5ffd7c | 3058 | I32 len = 0; |
| 463ee0b2 | 3059 | STRLEN curlen; |
| 9402d6ed | 3060 | STRLEN utf8_curlen; |
| 79072805 LW |
3061 | I32 pos; |
| 3062 | I32 rem; | |
| 84902520 | 3063 | I32 fail; |
| 78f9721b | 3064 | I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
| 79072805 | 3065 | char *tmps; |
| 3280af22 | 3066 | I32 arybase = PL_curcop->cop_arybase; |
| 9402d6ed | 3067 | SV *repl_sv = NULL; |
| 7b8d334a GS |
3068 | char *repl = 0; |
| 3069 | STRLEN repl_len; | |
| 78f9721b | 3070 | int num_args = PL_op->op_private & 7; |
| 13e30c65 | 3071 | bool repl_need_utf8_upgrade = FALSE; |
| 9402d6ed | 3072 | bool repl_is_utf8 = FALSE; |
| 79072805 | 3073 | |
| 20408e3c | 3074 | SvTAINTED_off(TARG); /* decontaminate */ |
| 7e2040f0 | 3075 | SvUTF8_off(TARG); /* decontaminate */ |
| 78f9721b SM |
3076 | if (num_args > 2) { |
| 3077 | if (num_args > 3) { | |
| 9402d6ed JH |
3078 | repl_sv = POPs; |
| 3079 | repl = SvPV(repl_sv, repl_len); | |
| 3080 | repl_is_utf8 = DO_UTF8(repl_sv) && SvCUR(repl_sv); | |
| 7b8d334a | 3081 | } |
| 79072805 | 3082 | len = POPi; |
| 5d82c453 | 3083 | } |
| 84902520 | 3084 | pos = POPi; |
| 79072805 | 3085 | sv = POPs; |
| 849ca7ee | 3086 | PUTBACK; |
| 9402d6ed JH |
3087 | if (repl_sv) { |
| 3088 | if (repl_is_utf8) { | |
| 3089 | if (!DO_UTF8(sv)) | |
| 3090 | sv_utf8_upgrade(sv); | |
| 3091 | } | |
| 13e30c65 JH |
3092 | else if (DO_UTF8(sv)) |
| 3093 | repl_need_utf8_upgrade = TRUE; | |
| 9402d6ed | 3094 | } |
| a0d0e21e | 3095 | tmps = SvPV(sv, curlen); |
| 7e2040f0 | 3096 | if (DO_UTF8(sv)) { |
| 9402d6ed JH |
3097 | utf8_curlen = sv_len_utf8(sv); |
| 3098 | if (utf8_curlen == curlen) | |
| 3099 | utf8_curlen = 0; | |
| a0ed51b3 | 3100 | else |
| 9402d6ed | 3101 | curlen = utf8_curlen; |
| a0ed51b3 | 3102 | } |
| d1c2b58a | 3103 | else |
| 9402d6ed | 3104 | utf8_curlen = 0; |
| a0ed51b3 | 3105 | |
| 84902520 TB |
3106 | if (pos >= arybase) { |
| 3107 | pos -= arybase; | |
| 3108 | rem = curlen-pos; | |
| 3109 | fail = rem; | |
| 78f9721b | 3110 | if (num_args > 2) { |
| 5d82c453 GA |
3111 | if (len < 0) { |
| 3112 | rem += len; | |
| 3113 | if (rem < 0) | |
| 3114 | rem = 0; | |
| 3115 | } | |
| 3116 | else if (rem > len) | |
| 3117 | rem = len; | |
| 3118 | } | |
| 68dc0745 | 3119 | } |
| 84902520 | 3120 | else { |
| 5d82c453 | 3121 | pos += curlen; |
| 78f9721b | 3122 | if (num_args < 3) |
| 5d82c453 GA |
3123 | rem = curlen; |
| 3124 | else if (len >= 0) { | |
| 3125 | rem = pos+len; | |
| 3126 | if (rem > (I32)curlen) | |
| 3127 | rem = curlen; | |
| 3128 | } | |
| 3129 | else { | |
| 3130 | rem = curlen+len; | |
| 3131 | if (rem < pos) | |
| 3132 | rem = pos; | |
| 3133 | } | |
| 3134 | if (pos < 0) | |
| 3135 | pos = 0; | |
| 3136 | fail = rem; | |
| 3137 | rem -= pos; | |
| 84902520 TB |
3138 | } |
| 3139 | if (fail < 0) { | |
| e476b1b5 GS |
3140 | if (lvalue || repl) |
| 3141 | Perl_croak(aTHX_ "substr outside of string"); | |
| 3142 | if (ckWARN(WARN_SUBSTR)) | |
| 9014280d | 3143 | Perl_warner(aTHX_ packWARN(WARN_SUBSTR), "substr outside of string"); |
| 2304df62 AD |
3144 | RETPUSHUNDEF; |
| 3145 | } | |
| 79072805 | 3146 | else { |
| 9aa983d2 JH |
3147 | I32 upos = pos; |
| 3148 | I32 urem = rem; | |
| 9402d6ed | 3149 | if (utf8_curlen) |
| a0ed51b3 | 3150 | sv_pos_u2b(sv, &pos, &rem); |
| 79072805 | 3151 | tmps += pos; |
| 79072805 | 3152 | sv_setpvn(TARG, tmps, rem); |
| 12aa1545 | 3153 | #ifdef USE_LOCALE_COLLATE |
| 14befaf4 | 3154 | sv_unmagic(TARG, PERL_MAGIC_collxfrm); |
| 12aa1545 | 3155 | #endif |
| 9402d6ed | 3156 | if (utf8_curlen) |
| 7f66633b | 3157 | SvUTF8_on(TARG); |
| f7928d6c | 3158 | if (repl) { |
| 13e30c65 JH |
3159 | SV* repl_sv_copy = NULL; |
| 3160 | ||
| 3161 | if (repl_need_utf8_upgrade) { | |
| 3162 | repl_sv_copy = newSVsv(repl_sv); | |
| 3163 | sv_utf8_upgrade(repl_sv_copy); | |
| 3164 | repl = SvPV(repl_sv_copy, repl_len); | |
| 3165 | repl_is_utf8 = DO_UTF8(repl_sv_copy) && SvCUR(sv); | |
| 3166 | } | |
| c8faf1c5 | 3167 | sv_insert(sv, pos, rem, repl, repl_len); |
| 9402d6ed | 3168 | if (repl_is_utf8) |
| f7928d6c | 3169 | SvUTF8_on(sv); |
| 9402d6ed JH |
3170 | if (repl_sv_copy) |
| 3171 | SvREFCNT_dec(repl_sv_copy); | |
| f7928d6c | 3172 | } |
| c8faf1c5 | 3173 | else if (lvalue) { /* it's an lvalue! */ |
| dedeecda | 3174 | if (!SvGMAGICAL(sv)) { |
| 3175 | if (SvROK(sv)) { | |
| 2d8e6c8d GS |
3176 | STRLEN n_a; |
| 3177 | SvPV_force(sv,n_a); | |
| 599cee73 | 3178 | if (ckWARN(WARN_SUBSTR)) |
| 9014280d | 3179 | Perl_warner(aTHX_ packWARN(WARN_SUBSTR), |
| 599cee73 | 3180 | "Attempt to use reference as lvalue in substr"); |
| dedeecda | 3181 | } |
| 3182 | if (SvOK(sv)) /* is it defined ? */ | |
| 7f66633b | 3183 | (void)SvPOK_only_UTF8(sv); |
| dedeecda | 3184 | else |
| 3185 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
| 3186 | } | |
| 5f05dabc | 3187 | |
| 24aef97f HS |
3188 | if (SvREFCNT(TARG) > 1) /* don't share the TARG (#20933) */ |
| 3189 | TARG = sv_newmortal(); | |
| a0d0e21e LW |
3190 | if (SvTYPE(TARG) < SVt_PVLV) { |
| 3191 | sv_upgrade(TARG, SVt_PVLV); | |
| 14befaf4 | 3192 | sv_magic(TARG, Nullsv, PERL_MAGIC_substr, Nullch, 0); |
| ed6116ce | 3193 | } |
| a0d0e21e | 3194 | |
| 5f05dabc | 3195 | LvTYPE(TARG) = 'x'; |
| 6ff81951 GS |
3196 | if (LvTARG(TARG) != sv) { |
| 3197 | if (LvTARG(TARG)) | |
| 3198 | SvREFCNT_dec(LvTARG(TARG)); | |
| 3199 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
| 3200 | } | |
| 9aa983d2 JH |
3201 | LvTARGOFF(TARG) = upos; |
| 3202 | LvTARGLEN(TARG) = urem; | |
| 79072805 LW |
3203 | } |
| 3204 | } | |
| 849ca7ee | 3205 | SPAGAIN; |
| 79072805 LW |
3206 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
| 3207 | RETURN; | |
| 3208 | } | |
| 3209 | ||
| 3210 | PP(pp_vec) | |
| 3211 | { | |
| 39644a26 | 3212 | dSP; dTARGET; |
| 467f0320 JH |
3213 | register IV size = POPi; |
| 3214 | register IV offset = POPi; | |
| 79072805 | 3215 | register SV *src = POPs; |
| 78f9721b | 3216 | I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
| a0d0e21e | 3217 | |
| 81e118e0 JH |
3218 | SvTAINTED_off(TARG); /* decontaminate */ |
| 3219 | if (lvalue) { /* it's an lvalue! */ | |
| 24aef97f HS |
3220 | if (SvREFCNT(TARG) > 1) /* don't share the TARG (#20933) */ |
| 3221 | TARG = sv_newmortal(); | |
| 81e118e0 JH |
3222 | if (SvTYPE(TARG) < SVt_PVLV) { |
| 3223 | sv_upgrade(TARG, SVt_PVLV); | |
| 14befaf4 | 3224 | sv_magic(TARG, Nullsv, PERL_MAGIC_vec, Nullch, 0); |
| 79072805 | 3225 | } |
| 81e118e0 JH |
3226 | LvTYPE(TARG) = 'v'; |
| 3227 | if (LvTARG(TARG) != src) { | |
| 3228 | if (LvTARG(TARG)) | |
| 3229 | SvREFCNT_dec(LvTARG(TARG)); | |
| 3230 | LvTARG(TARG) = SvREFCNT_inc(src); | |
| 79072805 | 3231 | } |
| 81e118e0 JH |
3232 | LvTARGOFF(TARG) = offset; |
| 3233 | LvTARGLEN(TARG) = size; | |
| 79072805 LW |
3234 | } |
| 3235 | ||
| 81e118e0 | 3236 | sv_setuv(TARG, do_vecget(src, offset, size)); |
| 79072805 LW |
3237 | PUSHs(TARG); |
| 3238 | RETURN; | |
| 3239 | } | |
| 3240 | ||
| 3241 | PP(pp_index) | |
| 3242 | { | |
| 39644a26 | 3243 | dSP; dTARGET; |
| 79072805 LW |
3244 | SV *big; |
| 3245 | SV *little; | |
| 3246 | I32 offset; | |
| 3247 | I32 retval; | |
| 3248 | char *tmps; | |
| 3249 | char *tmps2; | |
| 463ee0b2 | 3250 | STRLEN biglen; |
| 3280af22 | 3251 | I32 arybase = PL_curcop->cop_arybase; |
| 79072805 LW |
3252 | |
| 3253 | if (MAXARG < 3) | |
| 3254 | offset = 0; | |
| 3255 | else | |
| 3256 | offset = POPi - arybase; | |
| 3257 | little = POPs; | |
| 3258 | big = POPs; | |
| 463ee0b2 | 3259 | tmps = SvPV(big, biglen); |
| 7e2040f0 | 3260 | if (offset > 0 && DO_UTF8(big)) |
| a0ed51b3 | 3261 | sv_pos_u2b(big, &offset, 0); |
| 79072805 LW |
3262 | if (offset < 0) |
| 3263 | offset = 0; | |
| eb160463 | 3264 | else if (offset > (I32)biglen) |
| 93a17b20 | 3265 | offset = biglen; |
| 79072805 | 3266 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
| 411d5715 | 3267 | (unsigned char*)tmps + biglen, little, 0))) |
| a0ed51b3 | 3268 | retval = -1; |
| 79072805 | 3269 | else |
| a0ed51b3 | 3270 | retval = tmps2 - tmps; |
| 7e2040f0 | 3271 | if (retval > 0 && DO_UTF8(big)) |
| a0ed51b3 LW |
3272 | sv_pos_b2u(big, &retval); |
| 3273 | PUSHi(retval + arybase); | |
| 79072805 LW |
3274 | RETURN; |
| 3275 | } | |
| 3276 | ||
| 3277 | PP(pp_rindex) | |
| 3278 | { | |
| 39644a26 | 3279 | dSP; dTARGET; |
| 79072805 LW |
3280 | SV *big; |
| 3281 | SV *little; | |
| 463ee0b2 LW |
3282 | STRLEN blen; |
| 3283 | STRLEN llen; | |
| 79072805 LW |
3284 | I32 offset; |
| 3285 | I32 retval; | |
| 3286 | char *tmps; | |
| 3287 | char *tmps2; | |
| 3280af22 | 3288 | I32 arybase = PL_curcop->cop_arybase; |
| 79072805 | 3289 | |
| a0d0e21e | 3290 | if (MAXARG >= 3) |
| a0ed51b3 | 3291 | offset = POPi; |
| 79072805 LW |
3292 | little = POPs; |
| 3293 | big = POPs; | |
| 463ee0b2 LW |
3294 | tmps2 = SvPV(little, llen); |
| 3295 | tmps = SvPV(big, blen); | |
| 79072805 | 3296 | if (MAXARG < 3) |
| 463ee0b2 | 3297 | offset = blen; |
| a0ed51b3 | 3298 | else { |
| 7e2040f0 | 3299 | if (offset > 0 && DO_UTF8(big)) |
| a0ed51b3 LW |
3300 | sv_pos_u2b(big, &offset, 0); |
| 3301 | offset = offset - arybase + llen; | |
| 3302 | } | |
| 79072805 LW |
3303 | if (offset < 0) |
| 3304 | offset = 0; | |
| eb160463 | 3305 | else if (offset > (I32)blen) |
| 463ee0b2 | 3306 | offset = blen; |
| 79072805 | 3307 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
| 463ee0b2 | 3308 | tmps2, tmps2 + llen))) |
| a0ed51b3 | 3309 | retval = -1; |
| 79072805 | 3310 | else |
| a0ed51b3 | 3311 | retval = tmps2 - tmps; |
| 7e2040f0 | 3312 | if (retval > 0 && DO_UTF8(big)) |
| a0ed51b3 LW |
3313 | sv_pos_b2u(big, &retval); |
| 3314 | PUSHi(retval + arybase); | |
| 79072805 LW |
3315 | RETURN; |
| 3316 | } | |
| 3317 | ||
| 3318 | PP(pp_sprintf) | |
| 3319 | { | |
| 39644a26 | 3320 | dSP; dMARK; dORIGMARK; dTARGET; |
| 79072805 | 3321 | do_sprintf(TARG, SP-MARK, MARK+1); |
| bbce6d69 | 3322 | TAINT_IF(SvTAINTED(TARG)); |
| 6ee35fb7 JH |
3323 | if (DO_UTF8(*(MARK+1))) |
| 3324 | SvUTF8_on(TARG); | |
| 79072805 LW |
3325 | SP = ORIGMARK; |
| 3326 | PUSHTARG; | |
| 3327 | RETURN; | |
| 3328 | } | |
| 3329 | ||
| 79072805 LW |
3330 | PP(pp_ord) |
| 3331 | { | |
| 39644a26 | 3332 | dSP; dTARGET; |
| 7df053ec | 3333 | SV *argsv = POPs; |
| ba210ebe | 3334 | STRLEN len; |
| 7df053ec | 3335 | U8 *s = (U8*)SvPVx(argsv, len); |
| 121910a4 JH |
3336 | SV *tmpsv; |
| 3337 | ||
| 799ef3cb | 3338 | if (PL_encoding && SvPOK(argsv) && !DO_UTF8(argsv)) { |
| 121910a4 | 3339 | tmpsv = sv_2mortal(newSVsv(argsv)); |
| 799ef3cb | 3340 | s = (U8*)sv_recode_to_utf8(tmpsv, PL_encoding); |
| 121910a4 JH |
3341 | argsv = tmpsv; |
| 3342 | } | |
| 79072805 | 3343 | |
| 872c91ae JH |
3344 | XPUSHu(DO_UTF8(argsv) ? |
| 3345 | utf8n_to_uvchr(s, UTF8_MAXLEN, 0, UTF8_ALLOW_ANYUV) : | |
| 3346 | (*s & 0xff)); | |
| 68795e93 | 3347 | |
| 79072805 LW |
3348 | RETURN; |
| 3349 | } | |
| 3350 | ||
| 463ee0b2 LW |
3351 | PP(pp_chr) |
| 3352 | { | |
| 39644a26 | 3353 | dSP; dTARGET; |
| 463ee0b2 | 3354 | char *tmps; |
| 467f0320 | 3355 | UV value = POPu; |
| 463ee0b2 | 3356 | |
| 748a9306 | 3357 | (void)SvUPGRADE(TARG,SVt_PV); |
| a0ed51b3 | 3358 | |
| 0064a8a9 | 3359 | if (value > 255 && !IN_BYTES) { |
| eb160463 | 3360 | SvGROW(TARG, (STRLEN)UNISKIP(value)+1); |
| 62961d2e | 3361 | tmps = (char*)uvchr_to_utf8_flags((U8*)SvPVX(TARG), value, 0); |
| a0ed51b3 LW |
3362 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
| 3363 | *tmps = '\0'; | |
| 3364 | (void)SvPOK_only(TARG); | |
| aa6ffa16 | 3365 | SvUTF8_on(TARG); |
| a0ed51b3 LW |
3366 | XPUSHs(TARG); |
| 3367 | RETURN; | |
| 3368 | } | |
| 3369 | ||
| 748a9306 | 3370 | SvGROW(TARG,2); |
| 463ee0b2 LW |
3371 | SvCUR_set(TARG, 1); |
| 3372 | tmps = SvPVX(TARG); | |
| eb160463 | 3373 | *tmps++ = (char)value; |
| 748a9306 | 3374 | *tmps = '\0'; |
| a0d0e21e | 3375 | (void)SvPOK_only(TARG); |
| 88632417 | 3376 | if (PL_encoding && !IN_BYTES) { |
| 799ef3cb | 3377 | sv_recode_to_utf8(TARG, PL_encoding); |
| 88632417 JH |
3378 | tmps = SvPVX(TARG); |
| 3379 | if (SvCUR(TARG) == 0 || !is_utf8_string((U8*)tmps, SvCUR(TARG)) || | |
| 3380 | memEQ(tmps, "\xef\xbf\xbd\0", 4)) { | |
| d5a15ac2 JH |
3381 | SvGROW(TARG, 3); |
| 3382 | tmps = SvPVX(TARG); | |
| 88632417 JH |
3383 | SvCUR_set(TARG, 2); |
| 3384 | *tmps++ = (U8)UTF8_EIGHT_BIT_HI(value); | |
| 3385 | *tmps++ = (U8)UTF8_EIGHT_BIT_LO(value); | |
| 3386 | *tmps = '\0'; | |
| 3387 | SvUTF8_on(TARG); | |
| 3388 | } | |
| 3389 | } | |
| 463ee0b2 LW |
3390 | XPUSHs(TARG); |
| 3391 | RETURN; | |
| 3392 | } | |
| 3393 | ||
| 79072805 LW |
3394 | PP(pp_crypt) |
| 3395 | { | |
| 5f74f29c | 3396 | dSP; dTARGET; |
| 79072805 | 3397 | #ifdef HAS_CRYPT |
| 5f74f29c JH |
3398 | dPOPTOPssrl; |
| 3399 | STRLEN n_a; | |
| 85c16d83 JH |
3400 | STRLEN len; |
| 3401 | char *tmps = SvPV(left, len); | |
| 2bc69dc4 | 3402 | |
| 85c16d83 | 3403 | if (DO_UTF8(left)) { |
| 2bc69dc4 | 3404 | /* If Unicode, try to downgrade. |
| f2791508 JH |
3405 | * If not possible, croak. |
| 3406 | * Yes, we made this up. */ | |
| 3407 | SV* tsv = sv_2mortal(newSVsv(left)); | |
| 2bc69dc4 | 3408 | |
| f2791508 | 3409 | SvUTF8_on(tsv); |
| 2bc69dc4 | 3410 | sv_utf8_downgrade(tsv, FALSE); |
| f2791508 | 3411 | tmps = SvPVX(tsv); |
| 85c16d83 | 3412 | } |
| 05404ffe JH |
3413 | # ifdef USE_ITHREADS |
| 3414 | # ifdef HAS_CRYPT_R | |
| 3415 | if (!PL_reentrant_buffer->_crypt_struct_buffer) { | |
| 3416 | /* This should be threadsafe because in ithreads there is only | |
| 3417 | * one thread per interpreter. If this would not be true, | |
| 3418 | * we would need a mutex to protect this malloc. */ | |
| 3419 | PL_reentrant_buffer->_crypt_struct_buffer = | |
| 3420 | (struct crypt_data *)safemalloc(sizeof(struct crypt_data)); | |
| 3421 | #if defined(__GLIBC__) || defined(__EMX__) | |
| 3422 | if (PL_reentrant_buffer->_crypt_struct_buffer) { | |
| 3423 | PL_reentrant_buffer->_crypt_struct_buffer->initialized = 0; | |
| 3424 | /* work around glibc-2.2.5 bug */ | |
| 3425 | PL_reentrant_buffer->_crypt_struct_buffer->current_saltbits = 0; | |
| 3426 | } | |
| 05404ffe | 3427 | #endif |
| 6ab58e4d | 3428 | } |
| 05404ffe JH |
3429 | # endif /* HAS_CRYPT_R */ |
| 3430 | # endif /* USE_ITHREADS */ | |
| 5f74f29c | 3431 | # ifdef FCRYPT |
| 2d8e6c8d | 3432 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
| 5f74f29c | 3433 | # else |
| 2d8e6c8d | 3434 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
| 5f74f29c | 3435 | # endif |
| 4808266b JH |
3436 | SETs(TARG); |
| 3437 | RETURN; | |
| 79072805 | 3438 | #else |
| b13b2135 | 3439 | DIE(aTHX_ |
| 79072805 LW |
3440 | "The crypt() function is unimplemented due to excessive paranoia."); |
| 3441 | #endif | |
| 79072805 LW |
3442 | } |
| 3443 | ||
| 3444 | PP(pp_ucfirst) | |
| 3445 | { | |
| 39644a26 | 3446 | dSP; |
| 79072805 | 3447 | SV *sv = TOPs; |
| a0ed51b3 LW |
3448 | register U8 *s; |
| 3449 | STRLEN slen; | |
| 3450 | ||
| d104a74c | 3451 | SvGETMAGIC(sv); |
| 3a2263fe RGS |
3452 | if (DO_UTF8(sv) && |
| 3453 | (s = (U8*)SvPV_nomg(sv, slen)) && slen && | |
| 3454 | UTF8_IS_START(*s)) { | |
| e7ae6809 | 3455 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
| 44bc797b JH |
3456 | STRLEN ulen; |
| 3457 | STRLEN tculen; | |
| a0ed51b3 | 3458 | |
| 44bc797b | 3459 | utf8_to_uvchr(s, &ulen); |
| 44bc797b JH |
3460 | toTITLE_utf8(s, tmpbuf, &tculen); |
| 3461 | utf8_to_uvchr(tmpbuf, 0); | |
| 3462 | ||
| 3463 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { | |
| a0ed51b3 | 3464 | dTARGET; |
| 3a2263fe RGS |
3465 | /* slen is the byte length of the whole SV. |
| 3466 | * ulen is the byte length of the original Unicode character | |
| 3467 | * stored as UTF-8 at s. | |
| 3468 | * tculen is the byte length of the freshly titlecased | |
| 3469 | * Unicode character stored as UTF-8 at tmpbuf. | |
| 3470 | * We first set the result to be the titlecased character, | |
| 3471 | * and then append the rest of the SV data. */ | |
| 44bc797b | 3472 | sv_setpvn(TARG, (char*)tmpbuf, tculen); |
| 3a2263fe RGS |
3473 | if (slen > ulen) |
| 3474 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
| 7e2040f0 | 3475 | SvUTF8_on(TARG); |
| a0ed51b3 LW |
3476 | SETs(TARG); |
| 3477 | } | |
| 3478 | else { | |
| d104a74c | 3479 | s = (U8*)SvPV_force_nomg(sv, slen); |
| 44bc797b | 3480 | Copy(tmpbuf, s, tculen, U8); |
| a0ed51b3 | 3481 | } |
| a0ed51b3 | 3482 | } |
| 626727d5 | 3483 | else { |
| 014822e4 | 3484 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 31351b04 | 3485 | dTARGET; |
| 7e2040f0 | 3486 | SvUTF8_off(TARG); /* decontaminate */ |
| d104a74c | 3487 | sv_setsv_nomg(TARG, sv); |
| 31351b04 JS |
3488 | sv = TARG; |
| 3489 | SETs(sv); | |
| 3490 | } | |
| d104a74c | 3491 | s = (U8*)SvPV_force_nomg(sv, slen); |
| 31351b04 | 3492 | if (*s) { |
| 2de3dbcc | 3493 | if (IN_LOCALE_RUNTIME) { |
| 31351b04 JS |
3494 | TAINT; |
| 3495 | SvTAINTED_on(sv); | |
| 3496 | *s = toUPPER_LC(*s); | |
| 3497 | } | |
| 3498 | else | |
| 3499 | *s = toUPPER(*s); | |
| bbce6d69 | 3500 | } |
| bbce6d69 | 3501 | } |
| d104a74c | 3502 | SvSETMAGIC(sv); |
| 79072805 LW |
3503 | RETURN; |
| 3504 | } | |
| 3505 | ||
| 3506 | PP(pp_lcfirst) | |
| 3507 | { | |
| 39644a26 | 3508 | dSP; |
| 79072805 | 3509 | SV *sv = TOPs; |
| a0ed51b3 LW |
3510 | register U8 *s; |
| 3511 | STRLEN slen; | |
| 3512 | ||
| d104a74c | 3513 | SvGETMAGIC(sv); |
| 3a2263fe RGS |
3514 | if (DO_UTF8(sv) && |
| 3515 | (s = (U8*)SvPV_nomg(sv, slen)) && slen && | |
| 3516 | UTF8_IS_START(*s)) { | |
| ba210ebe | 3517 | STRLEN ulen; |
| e7ae6809 | 3518 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
| a0ed51b3 | 3519 | U8 *tend; |
| 9041c2e3 | 3520 | UV uv; |
| a0ed51b3 | 3521 | |
| 44bc797b | 3522 | toLOWER_utf8(s, tmpbuf, &ulen); |
| a2a2844f | 3523 | uv = utf8_to_uvchr(tmpbuf, 0); |
| 9041c2e3 | 3524 | tend = uvchr_to_utf8(tmpbuf, uv); |
| a0ed51b3 | 3525 | |
| eb160463 | 3526 | if (!SvPADTMP(sv) || (STRLEN)(tend - tmpbuf) != ulen || SvREADONLY(sv)) { |
| a0ed51b3 | 3527 | dTARGET; |
| dfe13c55 | 3528 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
| 3a2263fe RGS |
3529 | if (slen > ulen) |
| 3530 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
| 7e2040f0 | 3531 | SvUTF8_on(TARG); |
| a0ed51b3 LW |
3532 | SETs(TARG); |
| 3533 | } | |
| 3534 | else { | |
| d104a74c | 3535 | s = (U8*)SvPV_force_nomg(sv, slen); |
| a0ed51b3 LW |
3536 | Copy(tmpbuf, s, ulen, U8); |
| 3537 | } | |
| a0ed51b3 | 3538 | } |
| 626727d5 | 3539 | else { |
| 014822e4 | 3540 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 31351b04 | 3541 | dTARGET; |
| 7e2040f0 | 3542 | SvUTF8_off(TARG); /* decontaminate */ |
| d104a74c | 3543 | sv_setsv_nomg(TARG, sv); |
| 31351b04 JS |
3544 | sv = TARG; |
| 3545 | SETs(sv); | |
| 3546 | } | |
| d104a74c | 3547 | s = (U8*)SvPV_force_nomg(sv, slen); |
| 31351b04 | 3548 | if (*s) { |
| 2de3dbcc | 3549 | if (IN_LOCALE_RUNTIME) { |
| 31351b04 JS |
3550 | TAINT; |
| 3551 | SvTAINTED_on(sv); | |
| 3552 | *s = toLOWER_LC(*s); | |
| 3553 | } | |
| 3554 | else | |
| 3555 | *s = toLOWER(*s); | |
| bbce6d69 | 3556 | } |
| bbce6d69 | 3557 | } |
| d104a74c | 3558 | SvSETMAGIC(sv); |
| 79072805 LW |
3559 | RETURN; |
| 3560 | } | |
| 3561 | ||
| 3562 | PP(pp_uc) | |
| 3563 | { | |
| 39644a26 | 3564 | dSP; |
| 79072805 | 3565 | SV *sv = TOPs; |
| a0ed51b3 | 3566 | register U8 *s; |
| 463ee0b2 | 3567 | STRLEN len; |
| 79072805 | 3568 | |
| d104a74c | 3569 | SvGETMAGIC(sv); |
| 7e2040f0 | 3570 | if (DO_UTF8(sv)) { |
| a0ed51b3 | 3571 | dTARGET; |
| ba210ebe | 3572 | STRLEN ulen; |
| a0ed51b3 LW |
3573 | register U8 *d; |
| 3574 | U8 *send; | |
| e7ae6809 | 3575 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
| a0ed51b3 | 3576 | |
| d104a74c | 3577 | s = (U8*)SvPV_nomg(sv,len); |
| a5a20234 | 3578 | if (!len) { |
| 7e2040f0 | 3579 | SvUTF8_off(TARG); /* decontaminate */ |
| a5a20234 LW |
3580 | sv_setpvn(TARG, "", 0); |
| 3581 | SETs(TARG); | |
| a0ed51b3 LW |
3582 | } |
| 3583 | else { | |
| 98b27f73 JH |
3584 | STRLEN nchar = utf8_length(s, s + len); |
| 3585 | ||
| 31351b04 | 3586 | (void)SvUPGRADE(TARG, SVt_PV); |
| 98b27f73 | 3587 | SvGROW(TARG, (nchar * UTF8_MAXLEN_UCLC) + 1); |
| 31351b04 JS |
3588 | (void)SvPOK_only(TARG); |
| 3589 | d = (U8*)SvPVX(TARG); | |
| 3590 | send = s + len; | |
| a2a2844f | 3591 | while (s < send) { |
| 6fdb5f96 | 3592 | toUPPER_utf8(s, tmpbuf, &ulen); |
| a2a2844f JH |
3593 | Copy(tmpbuf, d, ulen, U8); |
| 3594 | d += ulen; | |
| 3595 | s += UTF8SKIP(s); | |
| a0ed51b3 | 3596 | } |
| 31351b04 | 3597 | *d = '\0'; |
| 7e2040f0 | 3598 | SvUTF8_on(TARG); |
| 31351b04 JS |
3599 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
| 3600 | SETs(TARG); | |
| a0ed51b3 | 3601 | } |
| a0ed51b3 | 3602 | } |
| 626727d5 | 3603 | else { |
| 014822e4 | 3604 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 31351b04 | 3605 | dTARGET; |
| 7e2040f0 | 3606 | SvUTF8_off(TARG); /* decontaminate */ |
| d104a74c | 3607 | sv_setsv_nomg(TARG, sv); |
| 31351b04 JS |
3608 | sv = TARG; |
| 3609 | SETs(sv); | |
| 3610 | } | |
| d104a74c | 3611 | s = (U8*)SvPV_force_nomg(sv, len); |
| 31351b04 JS |
3612 | if (len) { |
| 3613 | register U8 *send = s + len; | |
| 3614 | ||
| 2de3dbcc | 3615 | if (IN_LOCALE_RUNTIME) { |
| 31351b04 JS |
3616 | TAINT; |
| 3617 | SvTAINTED_on(sv); | |
| 3618 | for (; s < send; s++) | |
| 3619 | *s = toUPPER_LC(*s); | |
| 3620 | } | |
| 3621 | else { | |
| 3622 | for (; s < send; s++) | |
| 3623 | *s = toUPPER(*s); | |
| 3624 | } | |
| bbce6d69 | 3625 | } |
| 79072805 | 3626 | } |
| d104a74c | 3627 | SvSETMAGIC(sv); |
| 79072805 LW |
3628 | RETURN; |
| 3629 | } | |
| 3630 | ||
| 3631 | PP(pp_lc) | |
| 3632 | { | |
| 39644a26 | 3633 | dSP; |
| 79072805 | 3634 | SV *sv = TOPs; |
| a0ed51b3 | 3635 | register U8 *s; |
| 463ee0b2 | 3636 | STRLEN len; |
| 79072805 | 3637 | |
| d104a74c | 3638 | SvGETMAGIC(sv); |
| 7e2040f0 | 3639 | if (DO_UTF8(sv)) { |
| a0ed51b3 | 3640 | dTARGET; |
| ba210ebe | 3641 | STRLEN ulen; |
| a0ed51b3 LW |
3642 | register U8 *d; |
| 3643 | U8 *send; | |
| e7ae6809 | 3644 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
| a0ed51b3 | 3645 | |
| d104a74c | 3646 | s = (U8*)SvPV_nomg(sv,len); |
| a5a20234 | 3647 | if (!len) { |
| 7e2040f0 | 3648 | SvUTF8_off(TARG); /* decontaminate */ |
| a5a20234 LW |
3649 | sv_setpvn(TARG, "", 0); |
| 3650 | SETs(TARG); | |
| a0ed51b3 LW |
3651 | } |
| 3652 | else { | |
| 98b27f73 JH |
3653 | STRLEN nchar = utf8_length(s, s + len); |
| 3654 | ||
| 31351b04 | 3655 | (void)SvUPGRADE(TARG, SVt_PV); |
| 98b27f73 | 3656 | SvGROW(TARG, (nchar * UTF8_MAXLEN_UCLC) + 1); |
| 31351b04 JS |
3657 | (void)SvPOK_only(TARG); |
| 3658 | d = (U8*)SvPVX(TARG); | |
| 3659 | send = s + len; | |
| a2a2844f | 3660 | while (s < send) { |
| 6fdb5f96 JH |
3661 | UV uv = toLOWER_utf8(s, tmpbuf, &ulen); |
| 3662 | #define GREEK_CAPITAL_LETTER_SIGMA 0x03A3 /* Unicode */ | |
| 3663 | if (uv == GREEK_CAPITAL_LETTER_SIGMA) { | |
| 3664 | /* | |
| 3665 | * Now if the sigma is NOT followed by | |
| 3666 | * /$ignorable_sequence$cased_letter/; | |
| 3667 | * and it IS preceded by | |
| 3668 | * /$cased_letter$ignorable_sequence/; | |
| 3669 | * where $ignorable_sequence is | |
| 3670 | * [\x{2010}\x{AD}\p{Mn}]* | |
| 3671 | * and $cased_letter is | |
| 3672 | * [\p{Ll}\p{Lo}\p{Lt}] | |
| 3673 | * then it should be mapped to 0x03C2, | |
| 3674 | * (GREEK SMALL LETTER FINAL SIGMA), | |
| 3675 | * instead of staying 0x03A3. | |
| 3676 | * See lib/unicore/SpecCase.txt. | |
| 3677 | */ | |
| 3678 | } | |
| a2a2844f JH |
3679 | Copy(tmpbuf, d, ulen, U8); |
| 3680 | d += ulen; | |
| 3681 | s += UTF8SKIP(s); | |
| a0ed51b3 | 3682 | } |
| 31351b04 | 3683 | *d = '\0'; |
| 7e2040f0 | 3684 | SvUTF8_on(TARG); |
| 31351b04 JS |
3685 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
| 3686 | SETs(TARG); | |
| a0ed51b3 | 3687 | } |
| 79072805 | 3688 | } |
| 626727d5 | 3689 | else { |
| 014822e4 | 3690 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 31351b04 | 3691 | dTARGET; |
| 7e2040f0 | 3692 | SvUTF8_off(TARG); /* decontaminate */ |
| d104a74c | 3693 | sv_setsv_nomg(TARG, sv); |
| 31351b04 JS |
3694 | sv = TARG; |
| 3695 | SETs(sv); | |
| a0ed51b3 | 3696 | } |
| bbce6d69 | 3697 | |
| d104a74c | 3698 | s = (U8*)SvPV_force_nomg(sv, len); |
| 31351b04 JS |
3699 | if (len) { |
| 3700 | register U8 *send = s + len; | |
| bbce6d69 | 3701 | |
| 2de3dbcc | 3702 | if (IN_LOCALE_RUNTIME) { |
| 31351b04 JS |
3703 | TAINT; |
| 3704 | SvTAINTED_on(sv); | |
| 3705 | for (; s < send; s++) | |
| 3706 | *s = toLOWER_LC(*s); | |
| 3707 | } | |
| 3708 | else { | |
| 3709 | for (; s < send; s++) | |
| 3710 | *s = toLOWER(*s); | |
| 3711 | } | |
| bbce6d69 | 3712 | } |
| 79072805 | 3713 | } |
| d104a74c | 3714 | SvSETMAGIC(sv); |
| 79072805 LW |
3715 | RETURN; |
| 3716 | } | |
| 3717 | ||
| a0d0e21e | 3718 | PP(pp_quotemeta) |
| 79072805 | 3719 | { |
| 39644a26 | 3720 | dSP; dTARGET; |
| a0d0e21e LW |
3721 | SV *sv = TOPs; |
| 3722 | STRLEN len; | |
| 3723 | register char *s = SvPV(sv,len); | |
| 3724 | register char *d; | |
| 79072805 | 3725 | |
| 7e2040f0 | 3726 | SvUTF8_off(TARG); /* decontaminate */ |
| a0d0e21e LW |
3727 | if (len) { |
| 3728 | (void)SvUPGRADE(TARG, SVt_PV); | |
| c07a80fd | 3729 | SvGROW(TARG, (len * 2) + 1); |
| a0d0e21e | 3730 | d = SvPVX(TARG); |
| 7e2040f0 | 3731 | if (DO_UTF8(sv)) { |
| 0dd2cdef | 3732 | while (len) { |
| fd400ab9 | 3733 | if (UTF8_IS_CONTINUED(*s)) { |
| 0dd2cdef LW |
3734 | STRLEN ulen = UTF8SKIP(s); |
| 3735 | if (ulen > len) | |
| 3736 | ulen = len; | |
| 3737 | len -= ulen; | |
| 3738 | while (ulen--) | |
| 3739 | *d++ = *s++; | |
| 3740 | } | |
| 3741 | else { | |
| 3742 | if (!isALNUM(*s)) | |
| 3743 | *d++ = '\\'; | |
| 3744 | *d++ = *s++; | |
| 3745 | len--; | |
| 3746 | } | |
| 3747 | } | |
| 7e2040f0 | 3748 | SvUTF8_on(TARG); |
| 0dd2cdef LW |
3749 | } |
| 3750 | else { | |
| 3751 | while (len--) { | |
| 3752 | if (!isALNUM(*s)) | |
| 3753 | *d++ = '\\'; | |
| 3754 | *d++ = *s++; | |
| 3755 | } | |
| 79072805 | 3756 | } |
| a0d0e21e LW |
3757 | *d = '\0'; |
| 3758 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
| 3aa33fe5 | 3759 | (void)SvPOK_only_UTF8(TARG); |
| 79072805 | 3760 | } |
| a0d0e21e LW |
3761 | else |
| 3762 | sv_setpvn(TARG, s, len); | |
| 3763 | SETs(TARG); | |
| 31351b04 JS |
3764 | if (SvSMAGICAL(TARG)) |
| 3765 | mg_set(TARG); | |
| 79072805 LW |
3766 | RETURN; |
| 3767 | } | |
| 3768 | ||
| a0d0e21e | 3769 | /* Arrays. */ |
| 79072805 | 3770 | |
| a0d0e21e | 3771 | PP(pp_aslice) |
| 79072805 | 3772 | { |
| 39644a26 | 3773 | dSP; dMARK; dORIGMARK; |
| a0d0e21e LW |
3774 | register SV** svp; |
| 3775 | register AV* av = (AV*)POPs; | |
| 78f9721b | 3776 | register I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); |
| 3280af22 | 3777 | I32 arybase = PL_curcop->cop_arybase; |
| 748a9306 | 3778 | I32 elem; |
| 79072805 | 3779 | |
| a0d0e21e | 3780 | if (SvTYPE(av) == SVt_PVAV) { |
| 533c011a | 3781 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
| 748a9306 | 3782 | I32 max = -1; |
| 924508f0 | 3783 | for (svp = MARK + 1; svp <= SP; svp++) { |
| 748a9306 LW |
3784 | elem = SvIVx(*svp); |
| 3785 | if (elem > max) | |
| 3786 | max = elem; | |
| 3787 | } | |
| 3788 | if (max > AvMAX(av)) | |
| 3789 | av_extend(av, max); | |
| 3790 | } | |
| a0d0e21e | 3791 | while (++MARK <= SP) { |
| 748a9306 | 3792 | elem = SvIVx(*MARK); |
| a0d0e21e | 3793 | |
| 748a9306 LW |
3794 | if (elem > 0) |
| 3795 | elem -= arybase; | |
| a0d0e21e LW |
3796 | svp = av_fetch(av, elem, lval); |
| 3797 | if (lval) { | |
| 3280af22 | 3798 | if (!svp || *svp == &PL_sv_undef) |
| cea2e8a9 | 3799 | DIE(aTHX_ PL_no_aelem, elem); |
| 533c011a | 3800 | if (PL_op->op_private & OPpLVAL_INTRO) |
| 161b7d16 | 3801 | save_aelem(av, elem, svp); |
| 79072805 | 3802 | } |
| 3280af22 | 3803 | *MARK = svp ? *svp : &PL_sv_undef; |
| 79072805 LW |
3804 | } |
| 3805 | } | |
| 748a9306 | 3806 | if (GIMME != G_ARRAY) { |
| a0d0e21e LW |
3807 | MARK = ORIGMARK; |
| 3808 | *++MARK = *SP; | |
| 3809 | SP = MARK; | |
| 3810 | } | |
| 79072805 LW |
3811 | RETURN; |
| 3812 | } | |
| 3813 | ||
| 3814 | /* Associative arrays. */ | |
| 3815 | ||
| 3816 | PP(pp_each) | |
| 3817 | { | |
| 39644a26 | 3818 | dSP; |
| 79072805 | 3819 | HV *hash = (HV*)POPs; |
| c07a80fd | 3820 | HE *entry; |
| 54310121 | 3821 | I32 gimme = GIMME_V; |
| 8ec5e241 | 3822 | |
| c07a80fd | 3823 | PUTBACK; |
| c750a3ec | 3824 | /* might clobber stack_sp */ |
| 6d822dc4 | 3825 | entry = hv_iternext(hash); |
| c07a80fd | 3826 | SPAGAIN; |
| 79072805 | 3827 | |
| 79072805 LW |
3828 | EXTEND(SP, 2); |
| 3829 | if (entry) { | |
| 574c8022 | 3830 | SV* sv = hv_iterkeysv(entry); |
| 574c8022 | 3831 | PUSHs(sv); /* won't clobber stack_sp */ |
| 54310121 | 3832 | if (gimme == G_ARRAY) { |
| 59af0135 | 3833 | SV *val; |
| c07a80fd | 3834 | PUTBACK; |
| c750a3ec | 3835 | /* might clobber stack_sp */ |
| 6d822dc4 | 3836 | val = hv_iterval(hash, entry); |
| c07a80fd | 3837 | SPAGAIN; |
| 59af0135 | 3838 | PUSHs(val); |
| 79072805 | 3839 | } |
| 79072805 | 3840 | } |
| 54310121 | 3841 | else if (gimme == G_SCALAR) |
| 79072805 LW |
3842 | RETPUSHUNDEF; |
| 3843 | ||
| 3844 | RETURN; | |
| 3845 | } | |
| 3846 | ||
| 3847 | PP(pp_values) | |
| 3848 | { | |
| cea2e8a9 | 3849 | return do_kv(); |
| 79072805 LW |
3850 | } |
| 3851 | ||
| 3852 | PP(pp_keys) | |
| 3853 | { | |
| cea2e8a9 | 3854 | return do_kv(); |
| 79072805 LW |
3855 | } |
| 3856 | ||
| 3857 | PP(pp_delete) | |
| 3858 | { | |
| 39644a26 | 3859 | dSP; |
| 54310121 | 3860 | I32 gimme = GIMME_V; |
| 3861 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
| 79072805 | 3862 | SV *sv; |
| 5f05dabc | 3863 | HV *hv; |
| 3864 | ||
| 533c011a | 3865 | if (PL_op->op_private & OPpSLICE) { |
| 5f05dabc | 3866 | dMARK; dORIGMARK; |
| 97fcbf96 | 3867 | U32 hvtype; |
| 5f05dabc | 3868 | hv = (HV*)POPs; |
| 97fcbf96 | 3869 | hvtype = SvTYPE(hv); |
| 01020589 GS |
3870 | if (hvtype == SVt_PVHV) { /* hash element */ |
| 3871 | while (++MARK <= SP) { | |
| ae77835f | 3872 | sv = hv_delete_ent(hv, *MARK, discard, 0); |
| 01020589 GS |
3873 | *MARK = sv ? sv : &PL_sv_undef; |
| 3874 | } | |
| 5f05dabc | 3875 | } |
| 6d822dc4 MS |
3876 | else if (hvtype == SVt_PVAV) { /* array element */ |
| 3877 | if (PL_op->op_flags & OPf_SPECIAL) { | |
| 3878 | while (++MARK <= SP) { | |
| 3879 | sv = av_delete((AV*)hv, SvIV(*MARK), discard); | |
| 3880 | *MARK = sv ? sv : &PL_sv_undef; | |
| 3881 | } | |
| 3882 | } | |
| 01020589 GS |
3883 | } |
| 3884 | else | |
| 3885 | DIE(aTHX_ "Not a HASH reference"); | |
| 54310121 | 3886 | if (discard) |
| 3887 | SP = ORIGMARK; | |
| 3888 | else if (gimme == G_SCALAR) { | |
| 5f05dabc | 3889 | MARK = ORIGMARK; |
| 3890 | *++MARK = *SP; | |
| 3891 | SP = MARK; | |
| 3892 | } | |
| 3893 | } | |
| 3894 | else { | |
| 3895 | SV *keysv = POPs; | |
| 3896 | hv = (HV*)POPs; | |
| 97fcbf96 MB |
3897 | if (SvTYPE(hv) == SVt_PVHV) |
| 3898 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
| 01020589 GS |
3899 | else if (SvTYPE(hv) == SVt_PVAV) { |
| 3900 | if (PL_op->op_flags & OPf_SPECIAL) | |
| 3901 | sv = av_delete((AV*)hv, SvIV(keysv), discard); | |
| af288a60 HS |
3902 | else |
| 3903 | DIE(aTHX_ "panic: avhv_delete no longer supported"); | |
| 01020589 | 3904 | } |
| 97fcbf96 | 3905 | else |
| cea2e8a9 | 3906 | DIE(aTHX_ "Not a HASH reference"); |
| 5f05dabc | 3907 | if (!sv) |
| 3280af22 | 3908 | sv = &PL_sv_undef; |
| 54310121 | 3909 | if (!discard) |
| 3910 | PUSHs(sv); | |
| 79072805 | 3911 | } |
| 79072805 LW |
3912 | RETURN; |
| 3913 | } | |
| 3914 | ||
| a0d0e21e | 3915 | PP(pp_exists) |
| 79072805 | 3916 | { |
| 39644a26 | 3917 | dSP; |
| afebc493 GS |
3918 | SV *tmpsv; |
| 3919 | HV *hv; | |
| 3920 | ||
| 3921 | if (PL_op->op_private & OPpEXISTS_SUB) { | |
| 3922 | GV *gv; | |
| 3923 | CV *cv; | |
| 3924 | SV *sv = POPs; | |
| 3925 | cv = sv_2cv(sv, &hv, &gv, FALSE); | |
| 3926 | if (cv) | |
| 3927 | RETPUSHYES; | |
| 3928 | if (gv && isGV(gv) && GvCV(gv) && !GvCVGEN(gv)) | |
| 3929 | RETPUSHYES; | |
| 3930 | RETPUSHNO; | |
| 3931 | } | |
| 3932 | tmpsv = POPs; | |
| 3933 | hv = (HV*)POPs; | |
| c750a3ec | 3934 | if (SvTYPE(hv) == SVt_PVHV) { |
| ae77835f | 3935 | if (hv_exists_ent(hv, tmpsv, 0)) |
| c750a3ec | 3936 | RETPUSHYES; |
| ef54e1a4 JH |
3937 | } |
| 3938 | else if (SvTYPE(hv) == SVt_PVAV) { | |
| 01020589 GS |
3939 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ |
| 3940 | if (av_exists((AV*)hv, SvIV(tmpsv))) | |
| 3941 | RETPUSHYES; | |
| 3942 | } | |
| ef54e1a4 JH |
3943 | } |
| 3944 | else { | |
| cea2e8a9 | 3945 | DIE(aTHX_ "Not a HASH reference"); |
| a0d0e21e | 3946 | } |
| a0d0e21e LW |
3947 | RETPUSHNO; |
| 3948 | } | |
| 79072805 | 3949 | |
| a0d0e21e LW |
3950 | PP(pp_hslice) |
| 3951 | { | |
| 39644a26 | 3952 | dSP; dMARK; dORIGMARK; |
| a0d0e21e | 3953 | register HV *hv = (HV*)POPs; |
| 78f9721b | 3954 | register I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); |
| eb85dfd3 DM |
3955 | bool localizing = PL_op->op_private & OPpLVAL_INTRO ? TRUE : FALSE; |
| 3956 | bool other_magic = FALSE; | |
| 79072805 | 3957 | |
| eb85dfd3 DM |
3958 | if (localizing) { |
| 3959 | MAGIC *mg; | |
| 3960 | HV *stash; | |
| 3961 | ||
| 3962 | other_magic = mg_find((SV*)hv, PERL_MAGIC_env) || | |
| 3963 | ((mg = mg_find((SV*)hv, PERL_MAGIC_tied)) | |
| 3964 | /* Try to preserve the existenceness of a tied hash | |
| 3965 | * element by using EXISTS and DELETE if possible. | |
| 3966 | * Fallback to FETCH and STORE otherwise */ | |
| 3967 | && (stash = SvSTASH(SvRV(SvTIED_obj((SV*)hv, mg)))) | |
| 3968 | && gv_fetchmethod_autoload(stash, "EXISTS", TRUE) | |
| 3969 | && gv_fetchmethod_autoload(stash, "DELETE", TRUE)); | |
| 3970 | } | |
| 3971 | ||
| 6d822dc4 MS |
3972 | while (++MARK <= SP) { |
| 3973 | SV *keysv = *MARK; | |
| 3974 | SV **svp; | |
| 3975 | HE *he; | |
| 3976 | bool preeminent = FALSE; | |
| 0ebe0038 | 3977 | |
| 6d822dc4 MS |
3978 | if (localizing) { |
| 3979 | preeminent = SvRMAGICAL(hv) && !other_magic ? 1 : | |
| 3980 | hv_exists_ent(hv, keysv, 0); | |
| 3981 | } | |
| eb85dfd3 | 3982 | |
| 6d822dc4 MS |
3983 | he = hv_fetch_ent(hv, keysv, lval, 0); |
| 3984 | svp = he ? &HeVAL(he) : 0; | |
| eb85dfd3 | 3985 | |
| 6d822dc4 MS |
3986 | if (lval) { |
| 3987 | if (!svp || *svp == &PL_sv_undef) { | |
| 3988 | STRLEN n_a; | |
| 3989 | DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a)); | |
| 3990 | } | |
| 3991 | if (localizing) { | |
| 3992 | if (preeminent) | |
| 3993 | save_helem(hv, keysv, svp); | |
| 3994 | else { | |
| 3995 | STRLEN keylen; | |
| 3996 | char *key = SvPV(keysv, keylen); | |
| 3997 | SAVEDELETE(hv, savepvn(key,keylen), keylen); | |
| 1f5346dc | 3998 | } |
| 6d822dc4 MS |
3999 | } |
| 4000 | } | |
| 4001 | *MARK = svp ? *svp : &PL_sv_undef; | |
| 79072805 | 4002 | } |
| a0d0e21e LW |
4003 | if (GIMME != G_ARRAY) { |
| 4004 | MARK = ORIGMARK; | |
| 4005 | *++MARK = *SP; | |
| 4006 | SP = MARK; | |
| 79072805 | 4007 | } |
| a0d0e21e LW |
4008 | RETURN; |
| 4009 | } | |
| 4010 | ||
| 4011 | /* List operators. */ | |
| 4012 | ||
| 4013 | PP(pp_list) | |
| 4014 | { | |
| 39644a26 | 4015 | dSP; dMARK; |
| a0d0e21e LW |
4016 | if (GIMME != G_ARRAY) { |
| 4017 | if (++MARK <= SP) | |
| 4018 | *MARK = *SP; /* unwanted list, return last item */ | |
| 8990e307 | 4019 | else |
| 3280af22 | 4020 | *MARK = &PL_sv_undef; |
| a0d0e21e | 4021 | SP = MARK; |
| 79072805 | 4022 | } |
| a0d0e21e | 4023 | RETURN; |
| 79072805 LW |
4024 | } |
| 4025 | ||
| a0d0e21e | 4026 | PP(pp_lslice) |
| 79072805 | 4027 | { |
| 39644a26 | 4028 | dSP; |
| 3280af22 NIS |
4029 | SV **lastrelem = PL_stack_sp; |
| 4030 | SV **lastlelem = PL_stack_base + POPMARK; | |
| 4031 | SV **firstlelem = PL_stack_base + POPMARK + 1; | |
| a0d0e21e | 4032 | register SV **firstrelem = lastlelem + 1; |
| 3280af22 | 4033 | I32 arybase = PL_curcop->cop_arybase; |
| 533c011a | 4034 | I32 lval = PL_op->op_flags & OPf_MOD; |
| 4633a7c4 | 4035 | I32 is_something_there = lval; |
| 79072805 | 4036 | |
| a0d0e21e LW |
4037 | register I32 max = lastrelem - lastlelem; |
| 4038 | register SV **lelem; | |
| 4039 | register I32 ix; | |
| 4040 | ||
| 4041 | if (GIMME != G_ARRAY) { | |
| 748a9306 LW |
4042 | ix = SvIVx(*lastlelem); |
| 4043 | if (ix < 0) | |
| 4044 | ix += max; | |
| 4045 | else | |
| 4046 | ix -= arybase; | |
| a0d0e21e | 4047 | if (ix < 0 || ix >= max) |
| 3280af22 | 4048 | *firstlelem = &PL_sv_undef; |
| a0d0e21e LW |
4049 | else |
| 4050 | *firstlelem = firstrelem[ix]; | |
| 4051 | SP = firstlelem; | |
| 4052 | RETURN; | |
| 4053 | } | |
| 4054 | ||
| 4055 | if (max == 0) { | |
| 4056 | SP = firstlelem - 1; | |
| 4057 | RETURN; | |
| 4058 | } | |
| 4059 | ||
| 4060 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
| 748a9306 | 4061 | ix = SvIVx(*lelem); |
| c73bf8e3 | 4062 | if (ix < 0) |
| a0d0e21e | 4063 | ix += max; |
| b13b2135 | 4064 | else |
| 748a9306 | 4065 | ix -= arybase; |
| c73bf8e3 HS |
4066 | if (ix < 0 || ix >= max) |
| 4067 | *lelem = &PL_sv_undef; | |
| 4068 | else { | |
| 4069 | is_something_there = TRUE; | |
| 4070 | if (!(*lelem = firstrelem[ix])) | |
| 3280af22 | 4071 | *lelem = &PL_sv_undef; |
| 748a9306 | 4072 | } |
| 79072805 | 4073 | } |
| 4633a7c4 LW |
4074 | if (is_something_there) |
| 4075 | SP = lastlelem; | |
| 4076 | else | |
| 4077 | SP = firstlelem - 1; | |
| 79072805 LW |
4078 | RETURN; |
| 4079 | } | |
| 4080 | ||
| a0d0e21e LW |
4081 | PP(pp_anonlist) |
| 4082 | { | |
| 39644a26 | 4083 | dSP; dMARK; dORIGMARK; |
| a0d0e21e | 4084 | I32 items = SP - MARK; |
| 44a8e56a | 4085 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
| 4086 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
| 4087 | XPUSHs(av); | |
| a0d0e21e LW |
4088 | RETURN; |
| 4089 | } | |
| 4090 | ||
| 4091 | PP(pp_anonhash) | |
| 79072805 | 4092 | { |
| 39644a26 | 4093 | dSP; dMARK; dORIGMARK; |
| a0d0e21e LW |
4094 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
| 4095 | ||
| 4096 | while (MARK < SP) { | |
| 4097 | SV* key = *++MARK; | |
| a0d0e21e LW |
4098 | SV *val = NEWSV(46, 0); |
| 4099 | if (MARK < SP) | |
| 4100 | sv_setsv(val, *++MARK); | |
| e476b1b5 | 4101 | else if (ckWARN(WARN_MISC)) |
| 9014280d | 4102 | Perl_warner(aTHX_ packWARN(WARN_MISC), "Odd number of elements in anonymous hash"); |
| f12c7020 | 4103 | (void)hv_store_ent(hv,key,val,0); |
| 79072805 | 4104 | } |
| a0d0e21e LW |
4105 | SP = ORIGMARK; |
| 4106 | XPUSHs((SV*)hv); | |
| 79072805 LW |
4107 | RETURN; |
| 4108 | } | |
| 4109 | ||
| a0d0e21e | 4110 | PP(pp_splice) |
| 79072805 | 4111 | { |
| 39644a26 | 4112 | dSP; dMARK; dORIGMARK; |
| a0d0e21e LW |
4113 | register AV *ary = (AV*)*++MARK; |
| 4114 | register SV **src; | |
| 4115 | register SV **dst; | |
| 4116 | register I32 i; | |
| 4117 | register I32 offset; | |
| 4118 | register I32 length; | |
| 4119 | I32 newlen; | |
| 4120 | I32 after; | |
| 4121 | I32 diff; | |
| 4122 | SV **tmparyval = 0; | |
| 93965878 NIS |
4123 | MAGIC *mg; |
| 4124 | ||
| 14befaf4 | 4125 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
| 33c27489 | 4126 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
| 93965878 | 4127 | PUSHMARK(MARK); |
| 8ec5e241 | 4128 | PUTBACK; |
| a60c0954 | 4129 | ENTER; |
| 864dbfa3 | 4130 | call_method("SPLICE",GIMME_V); |
| a60c0954 | 4131 | LEAVE; |
| 93965878 NIS |
4132 | SPAGAIN; |
| 4133 | RETURN; | |
| 4134 | } | |
| 79072805 | 4135 | |
| a0d0e21e | 4136 | SP++; |
| 79072805 | 4137 | |
| a0d0e21e | 4138 | if (++MARK < SP) { |
| 84902520 | 4139 | offset = i = SvIVx(*MARK); |
| a0d0e21e | 4140 | if (offset < 0) |
| 93965878 | 4141 | offset += AvFILLp(ary) + 1; |
| a0d0e21e | 4142 | else |
| 3280af22 | 4143 | offset -= PL_curcop->cop_arybase; |
| 84902520 | 4144 | if (offset < 0) |
| cea2e8a9 | 4145 | DIE(aTHX_ PL_no_aelem, i); |
| a0d0e21e LW |
4146 | if (++MARK < SP) { |
| 4147 | length = SvIVx(*MARK++); | |
| 48cdf507 GA |
4148 | if (length < 0) { |
| 4149 | length += AvFILLp(ary) - offset + 1; | |
| 4150 | if (length < 0) | |
| 4151 | length = 0; | |
| 4152 | } | |
| 79072805 LW |
4153 | } |
| 4154 | else | |
| a0d0e21e | 4155 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
| 79072805 | 4156 | } |
| a0d0e21e LW |
4157 | else { |
| 4158 | offset = 0; | |
| 4159 | length = AvMAX(ary) + 1; | |
| 4160 | } | |
| 8cbc2e3b JH |
4161 | if (offset > AvFILLp(ary) + 1) { |
| 4162 | if (ckWARN(WARN_MISC)) | |
| 9014280d | 4163 | Perl_warner(aTHX_ packWARN(WARN_MISC), "splice() offset past end of array" ); |
| 93965878 | 4164 | offset = AvFILLp(ary) + 1; |
| 8cbc2e3b | 4165 | } |
| 93965878 | 4166 | after = AvFILLp(ary) + 1 - (offset + length); |
| a0d0e21e LW |
4167 | if (after < 0) { /* not that much array */ |
| 4168 | length += after; /* offset+length now in array */ | |
| 4169 | after = 0; | |
| 4170 | if (!AvALLOC(ary)) | |
| 4171 | av_extend(ary, 0); | |
| 4172 | } | |
| 4173 | ||
| 4174 | /* At this point, MARK .. SP-1 is our new LIST */ | |
| 4175 | ||
| 4176 | newlen = SP - MARK; | |
| 4177 | diff = newlen - length; | |
| 13d7cbc1 GS |
4178 | if (newlen && !AvREAL(ary) && AvREIFY(ary)) |
| 4179 | av_reify(ary); | |
| a0d0e21e LW |
4180 | |
| 4181 | if (diff < 0) { /* shrinking the area */ | |
| 4182 | if (newlen) { | |
| 4183 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
| 4184 | Copy(MARK, tmparyval, newlen, SV*); | |
| 79072805 | 4185 | } |
| a0d0e21e LW |
4186 | |
| 4187 | MARK = ORIGMARK + 1; | |
| 4188 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
| 4189 | MEXTEND(MARK, length); | |
| 4190 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
| 4191 | if (AvREAL(ary)) { | |
| bbce6d69 | 4192 | EXTEND_MORTAL(length); |
| 36477c24 | 4193 | for (i = length, dst = MARK; i; i--) { |
| d689ffdd | 4194 | sv_2mortal(*dst); /* free them eventualy */ |
| 36477c24 | 4195 | dst++; |
| 4196 | } | |
| a0d0e21e LW |
4197 | } |
| 4198 | MARK += length - 1; | |
| 79072805 | 4199 | } |
| a0d0e21e LW |
4200 | else { |
| 4201 | *MARK = AvARRAY(ary)[offset+length-1]; | |
| 4202 | if (AvREAL(ary)) { | |
| d689ffdd | 4203 | sv_2mortal(*MARK); |
| a0d0e21e LW |
4204 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
| 4205 | SvREFCNT_dec(*dst++); /* free them now */ | |
| 79072805 | 4206 | } |
| a0d0e21e | 4207 | } |
| 93965878 | 4208 | AvFILLp(ary) += diff; |
| a0d0e21e LW |
4209 | |
| 4210 | /* pull up or down? */ | |
| 4211 | ||
| 4212 | if (offset < after) { /* easier to pull up */ | |
| 4213 | if (offset) { /* esp. if nothing to pull */ | |
| 4214 | src = &AvARRAY(ary)[offset-1]; | |
| 4215 | dst = src - diff; /* diff is negative */ | |
| 4216 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
| 4217 | *dst-- = *src--; | |
| 79072805 | 4218 | } |
| a0d0e21e LW |
4219 | dst = AvARRAY(ary); |
| 4220 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ | |
| 4221 | AvMAX(ary) += diff; | |
| 4222 | } | |
| 4223 | else { | |
| 4224 | if (after) { /* anything to pull down? */ | |
| 4225 | src = AvARRAY(ary) + offset + length; | |
| 4226 | dst = src + diff; /* diff is negative */ | |
| 4227 | Move(src, dst, after, SV*); | |
| 79072805 | 4228 | } |
| 93965878 | 4229 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
| a0d0e21e LW |
4230 | /* avoid later double free */ |
| 4231 | } | |
| 4232 | i = -diff; | |
| 4233 | while (i) | |
| 3280af22 | 4234 | dst[--i] = &PL_sv_undef; |
| a0d0e21e LW |
4235 | |
| 4236 | if (newlen) { | |
| 4237 | for (src = tmparyval, dst = AvARRAY(ary) + offset; | |
| 4238 | newlen; newlen--) { | |
| 4239 | *dst = NEWSV(46, 0); | |
| 4240 | sv_setsv(*dst++, *src++); | |
| 79072805 | 4241 | } |
| a0d0e21e LW |
4242 | Safefree(tmparyval); |
| 4243 | } | |
| 4244 | } | |
| 4245 | else { /* no, expanding (or same) */ | |
| 4246 | if (length) { | |
| 4247 | New(452, tmparyval, length, SV*); /* so remember deletion */ | |
| 4248 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); | |
| 4249 | } | |
| 4250 | ||
| 4251 | if (diff > 0) { /* expanding */ | |
| 4252 | ||
| 4253 | /* push up or down? */ | |
| 4254 | ||
| 4255 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
| 4256 | if (offset) { | |
| 4257 | src = AvARRAY(ary); | |
| 4258 | dst = src - diff; | |
| 4259 | Move(src, dst, offset, SV*); | |
| 79072805 | 4260 | } |
| a0d0e21e LW |
4261 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
| 4262 | AvMAX(ary) += diff; | |
| 93965878 | 4263 | AvFILLp(ary) += diff; |
| 79072805 LW |
4264 | } |
| 4265 | else { | |
| 93965878 NIS |
4266 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
| 4267 | av_extend(ary, AvFILLp(ary) + diff); | |
| 4268 | AvFILLp(ary) += diff; | |
| a0d0e21e LW |
4269 | |
| 4270 | if (after) { | |
| 93965878 | 4271 | dst = AvARRAY(ary) + AvFILLp(ary); |
| a0d0e21e LW |
4272 | src = dst - diff; |
| 4273 | for (i = after; i; i--) { | |
| 4274 | *dst-- = *src--; | |
| 4275 | } | |
| 79072805 LW |
4276 | } |
| 4277 | } | |
| a0d0e21e LW |
4278 | } |
| 4279 | ||
| 4280 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { | |
| 4281 | *dst = NEWSV(46, 0); | |
| 4282 | sv_setsv(*dst++, *src++); | |
| 4283 | } | |
| 4284 | MARK = ORIGMARK + 1; | |
| 4285 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
| 4286 | if (length) { | |
| 4287 | Copy(tmparyval, MARK, length, SV*); | |
| 4288 | if (AvREAL(ary)) { | |
| bbce6d69 | 4289 | EXTEND_MORTAL(length); |
| 36477c24 | 4290 | for (i = length, dst = MARK; i; i--) { |
| d689ffdd | 4291 | sv_2mortal(*dst); /* free them eventualy */ |
| 36477c24 | 4292 | dst++; |
| 4293 | } | |
| 79072805 | 4294 | } |
| a0d0e21e | 4295 | Safefree(tmparyval); |
| 79072805 | 4296 | } |
| a0d0e21e LW |
4297 | MARK += length - 1; |
| 4298 | } | |
| 4299 | else if (length--) { | |
| 4300 | *MARK = tmparyval[length]; | |
| 4301 | if (AvREAL(ary)) { | |
| d689ffdd | 4302 | sv_2mortal(*MARK); |
| a0d0e21e LW |
4303 | while (length-- > 0) |
| 4304 | SvREFCNT_dec(tmparyval[length]); | |
| 79072805 | 4305 | } |
| a0d0e21e | 4306 | Safefree(tmparyval); |
| 79072805 | 4307 | } |
| a0d0e21e | 4308 | else |
| 3280af22 | 4309 | *MARK = &PL_sv_undef; |
| 79072805 | 4310 | } |
| a0d0e21e | 4311 | SP = MARK; |
| 79072805 LW |
4312 | RETURN; |
| 4313 | } | |
| 4314 | ||
| a0d0e21e | 4315 | PP(pp_push) |
| 79072805 | 4316 | { |
| 39644a26 | 4317 | dSP; dMARK; dORIGMARK; dTARGET; |
| a0d0e21e | 4318 | register AV *ary = (AV*)*++MARK; |
| 3280af22 | 4319 | register SV *sv = &PL_sv_undef; |
| 93965878 | 4320 | MAGIC *mg; |
| 79072805 | 4321 | |
| 14befaf4 | 4322 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
| 33c27489 | 4323 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
| 93965878 NIS |
4324 | PUSHMARK(MARK); |
| 4325 | PUTBACK; | |
| a60c0954 | 4326 | ENTER; |
| 864dbfa3 | 4327 | call_method("PUSH",G_SCALAR|G_DISCARD); |
| a60c0954 | 4328 | LEAVE; |
| 93965878 | 4329 | SPAGAIN; |
| 93965878 | 4330 | } |
| a60c0954 NIS |
4331 | else { |
| 4332 | /* Why no pre-extend of ary here ? */ | |
| 4333 | for (++MARK; MARK <= SP; MARK++) { | |
| 4334 | sv = NEWSV(51, 0); | |
| 4335 | if (*MARK) | |
| 4336 | sv_setsv(sv, *MARK); | |
| 4337 | av_push(ary, sv); | |
| 4338 | } | |
| 79072805 LW |
4339 | } |
| 4340 | SP = ORIGMARK; | |
| a0d0e21e | 4341 | PUSHi( AvFILL(ary) + 1 ); |
| 79072805 LW |
4342 | RETURN; |
| 4343 | } | |
| 4344 | ||
| a0d0e21e | 4345 | PP(pp_pop) |
| 79072805 | 4346 | { |
| 39644a26 | 4347 | dSP; |
| a0d0e21e LW |
4348 | AV *av = (AV*)POPs; |
| 4349 | SV *sv = av_pop(av); | |
| d689ffdd | 4350 | if (AvREAL(av)) |
| a0d0e21e LW |
4351 | (void)sv_2mortal(sv); |
| 4352 | PUSHs(sv); | |
| 79072805 | 4353 | RETURN; |
| 79072805 LW |
4354 | } |
| 4355 | ||
| a0d0e21e | 4356 | PP(pp_shift) |
| 79072805 | 4357 | { |
| 39644a26 | 4358 | dSP; |
| a0d0e21e LW |
4359 | AV *av = (AV*)POPs; |
| 4360 | SV *sv = av_shift(av); | |
| 79072805 | 4361 | EXTEND(SP, 1); |
| a0d0e21e | 4362 | if (!sv) |
| 79072805 | 4363 | RETPUSHUNDEF; |
| d689ffdd | 4364 | if (AvREAL(av)) |
| a0d0e21e LW |
4365 | (void)sv_2mortal(sv); |
| 4366 | PUSHs(sv); | |
| 79072805 | 4367 | RETURN; |
| 79072805 LW |
4368 | } |
| 4369 | ||
| a0d0e21e | 4370 | PP(pp_unshift) |
| 79072805 | 4371 | { |
| 39644a26 | 4372 | dSP; dMARK; dORIGMARK; dTARGET; |
| a0d0e21e LW |
4373 | register AV *ary = (AV*)*++MARK; |
| 4374 | register SV *sv; | |
| 4375 | register I32 i = 0; | |
| 93965878 NIS |
4376 | MAGIC *mg; |
| 4377 | ||
| 14befaf4 | 4378 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
| 33c27489 | 4379 | *MARK-- = SvTIED_obj((SV*)ary, mg); |
| 7fd66d9d | 4380 | PUSHMARK(MARK); |
| 93965878 | 4381 | PUTBACK; |
| a60c0954 | 4382 | ENTER; |
| 864dbfa3 | 4383 | call_method("UNSHIFT",G_SCALAR|G_DISCARD); |
| a60c0954 | 4384 | LEAVE; |
| 93965878 | 4385 | SPAGAIN; |
| 93965878 | 4386 | } |
| a60c0954 NIS |
4387 | else { |
| 4388 | av_unshift(ary, SP - MARK); | |
| 4389 | while (MARK < SP) { | |
| 4390 | sv = NEWSV(27, 0); | |
| 4391 | sv_setsv(sv, *++MARK); | |
| 4392 | (void)av_store(ary, i++, sv); | |
| 4393 | } | |
| 79072805 | 4394 | } |
| a0d0e21e LW |
4395 | SP = ORIGMARK; |
| 4396 | PUSHi( AvFILL(ary) + 1 ); | |
| 79072805 | 4397 | RETURN; |
| 79072805 LW |
4398 | } |
| 4399 | ||
| a0d0e21e | 4400 | PP(pp_reverse) |
| 79072805 | 4401 | { |
| 39644a26 | 4402 | dSP; dMARK; |
| a0d0e21e LW |
4403 | register SV *tmp; |
| 4404 | SV **oldsp = SP; | |
| 79072805 | 4405 | |
| a0d0e21e LW |
4406 | if (GIMME == G_ARRAY) { |
| 4407 | MARK++; | |
| 4408 | while (MARK < SP) { | |
| 4409 | tmp = *MARK; | |
| 4410 | *MARK++ = *SP; | |
| 4411 | *SP-- = tmp; | |
| 4412 | } | |
| dd58a1ab | 4413 | /* safe as long as stack cannot get extended in the above */ |
| a0d0e21e | 4414 | SP = oldsp; |
| 79072805 LW |
4415 | } |
| 4416 | else { | |
| a0d0e21e LW |
4417 | register char *up; |
| 4418 | register char *down; | |
| 4419 | register I32 tmp; | |
| 4420 | dTARGET; | |
| 4421 | STRLEN len; | |
| 79072805 | 4422 | |
| 7e2040f0 | 4423 | SvUTF8_off(TARG); /* decontaminate */ |
| a0d0e21e | 4424 | if (SP - MARK > 1) |
| 3280af22 | 4425 | do_join(TARG, &PL_sv_no, MARK, SP); |
| a0d0e21e | 4426 | else |
| 54b9620d | 4427 | sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV); |
| a0d0e21e LW |
4428 | up = SvPV_force(TARG, len); |
| 4429 | if (len > 1) { | |
| 7e2040f0 | 4430 | if (DO_UTF8(TARG)) { /* first reverse each character */ |
| dfe13c55 GS |
4431 | U8* s = (U8*)SvPVX(TARG); |
| 4432 | U8* send = (U8*)(s + len); | |
| a0ed51b3 | 4433 | while (s < send) { |
| d742c382 | 4434 | if (UTF8_IS_INVARIANT(*s)) { |
| a0ed51b3 LW |
4435 | s++; |
| 4436 | continue; | |
| 4437 | } | |
| 4438 | else { | |
| 9041c2e3 | 4439 | if (!utf8_to_uvchr(s, 0)) |
| a0dbb045 | 4440 | break; |
| dfe13c55 | 4441 | up = (char*)s; |
| a0ed51b3 | 4442 | s += UTF8SKIP(s); |
| dfe13c55 | 4443 | down = (char*)(s - 1); |
| a0dbb045 | 4444 | /* reverse this character */ |
| a0ed51b3 LW |
4445 | while (down > up) { |
| 4446 | tmp = *up; | |
| 4447 | *up++ = *down; | |
| eb160463 | 4448 | *down-- = (char)tmp; |
| a0ed51b3 LW |
4449 | } |
| 4450 | } | |
| 4451 | } | |
| 4452 | up = SvPVX(TARG); | |
| 4453 | } | |
| a0d0e21e LW |
4454 | down = SvPVX(TARG) + len - 1; |
| 4455 | while (down > up) { | |
| 4456 | tmp = *up; | |
| 4457 | *up++ = *down; | |
| eb160463 | 4458 | *down-- = (char)tmp; |
| a0d0e21e | 4459 | } |
| 3aa33fe5 | 4460 | (void)SvPOK_only_UTF8(TARG); |
| 79072805 | 4461 | } |
| a0d0e21e LW |
4462 | SP = MARK + 1; |
| 4463 | SETTARG; | |
| 79072805 | 4464 | } |
| a0d0e21e | 4465 | RETURN; |
| 79072805 LW |
4466 | } |
| 4467 | ||
| a0d0e21e | 4468 | PP(pp_split) |
| 79072805 | 4469 | { |
| 39644a26 | 4470 | dSP; dTARG; |
| a0d0e21e | 4471 | AV *ary; |
| 467f0320 | 4472 | register IV limit = POPi; /* note, negative is forever */ |
| a0d0e21e LW |
4473 | SV *sv = POPs; |
| 4474 | STRLEN len; | |
| 4475 | register char *s = SvPV(sv, len); | |
| 1aa99e6b | 4476 | bool do_utf8 = DO_UTF8(sv); |
| a0d0e21e | 4477 | char *strend = s + len; |
| 44a8e56a | 4478 | register PMOP *pm; |
| d9f97599 | 4479 | register REGEXP *rx; |
| a0d0e21e LW |
4480 | register SV *dstr; |
| 4481 | register char *m; | |
| 4482 | I32 iters = 0; | |
| 792b2c16 JH |
4483 | STRLEN slen = do_utf8 ? utf8_length((U8*)s, (U8*)strend) : (strend - s); |
| 4484 | I32 maxiters = slen + 10; | |
| a0d0e21e LW |
4485 | I32 i; |
| 4486 | char *orig; | |
| 4487 | I32 origlimit = limit; | |
| 4488 | I32 realarray = 0; | |
| 4489 | I32 base; | |
| 3280af22 | 4490 | AV *oldstack = PL_curstack; |
| 54310121 | 4491 | I32 gimme = GIMME_V; |
| 3280af22 | 4492 | I32 oldsave = PL_savestack_ix; |
| 8ec5e241 NIS |
4493 | I32 make_mortal = 1; |
| 4494 | MAGIC *mg = (MAGIC *) NULL; | |
| 79072805 | 4495 | |
| 44a8e56a | 4496 | #ifdef DEBUGGING |
| 4497 | Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*); | |
| 4498 | #else | |
| 4499 | pm = (PMOP*)POPs; | |
| 4500 | #endif | |
| a0d0e21e | 4501 | if (!pm || !s) |
| 2269b42e | 4502 | DIE(aTHX_ "panic: pp_split"); |
| aaa362c4 | 4503 | rx = PM_GETRE(pm); |
| bbce6d69 | 4504 | |
| 4505 | TAINT_IF((pm->op_pmflags & PMf_LOCALE) && | |
| 4506 | (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE))); | |
| 4507 | ||
| a30b2f1f | 4508 | RX_MATCH_UTF8_set(rx, do_utf8); |
| d9f424b2 | 4509 | |
| 971a9dd3 GS |
4510 | if (pm->op_pmreplroot) { |
| 4511 | #ifdef USE_ITHREADS | |
| dd2155a4 | 4512 | ary = GvAVn((GV*)PAD_SVl(INT2PTR(PADOFFSET, pm->op_pmreplroot))); |
| 971a9dd3 | 4513 | #else |
| a0d0e21e | 4514 | ary = GvAVn((GV*)pm->op_pmreplroot); |
| 971a9dd3 GS |
4515 | #endif |
| 4516 | } | |
| a0d0e21e | 4517 | else if (gimme != G_ARRAY) |
| 3280af22 | 4518 | ary = GvAVn(PL_defgv); |
| 79072805 | 4519 | else |
| a0d0e21e LW |
4520 | ary = Nullav; |
| 4521 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { | |
| 4522 | realarray = 1; | |
| 8ec5e241 | 4523 | PUTBACK; |
| a0d0e21e LW |
4524 | av_extend(ary,0); |
| 4525 | av_clear(ary); | |
| 8ec5e241 | 4526 | SPAGAIN; |
| 14befaf4 | 4527 | if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) { |
| 8ec5e241 | 4528 | PUSHMARK(SP); |
| 33c27489 | 4529 | XPUSHs(SvTIED_obj((SV*)ary, mg)); |
| 8ec5e241 NIS |
4530 | } |
| 4531 | else { | |
| 1c0b011c NIS |
4532 | if (!AvREAL(ary)) { |
| 4533 | AvREAL_on(ary); | |
| abff13bb | 4534 | AvREIFY_off(ary); |
| 1c0b011c | 4535 | for (i = AvFILLp(ary); i >= 0; i--) |
| 3280af22 | 4536 | AvARRAY(ary)[i] = &PL_sv_undef; /* don't free mere refs */ |
| 1c0b011c NIS |
4537 | } |
| 4538 | /* temporarily switch stacks */ | |
| 3280af22 | 4539 | SWITCHSTACK(PL_curstack, ary); |
| 3b0d546b | 4540 | PL_curstackinfo->si_stack = ary; |
| 8ec5e241 | 4541 | make_mortal = 0; |
| 1c0b011c | 4542 | } |
| 79072805 | 4543 | } |
| 3280af22 | 4544 | base = SP - PL_stack_base; |
| a0d0e21e LW |
4545 | orig = s; |
| 4546 | if (pm->op_pmflags & PMf_SKIPWHITE) { | |
| bbce6d69 | 4547 | if (pm->op_pmflags & PMf_LOCALE) { |
| 4548 | while (isSPACE_LC(*s)) | |
| 4549 | s++; | |
| 4550 | } | |
| 4551 | else { | |
| 4552 | while (isSPACE(*s)) | |
| 4553 | s++; | |
| 4554 | } | |
| a0d0e21e | 4555 | } |
| c07a80fd | 4556 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
| 3280af22 NIS |
4557 | SAVEINT(PL_multiline); |
| 4558 | PL_multiline = pm->op_pmflags & PMf_MULTILINE; | |
| c07a80fd | 4559 | } |
| 4560 | ||
| a0d0e21e LW |
4561 | if (!limit) |
| 4562 | limit = maxiters + 2; | |
| 4563 | if (pm->op_pmflags & PMf_WHITE) { | |
| 4564 | while (--limit) { | |
| bbce6d69 | 4565 | m = s; |
| 4566 | while (m < strend && | |
| 4567 | !((pm->op_pmflags & PMf_LOCALE) | |
| 4568 | ? isSPACE_LC(*m) : isSPACE(*m))) | |
| 4569 | ++m; | |
| a0d0e21e LW |
4570 | if (m >= strend) |
| 4571 | break; | |
| bbce6d69 | 4572 | |
| a0d0e21e LW |
4573 | dstr = NEWSV(30, m-s); |
| 4574 | sv_setpvn(dstr, s, m-s); | |
| 8ec5e241 | 4575 | if (make_mortal) |
| a0d0e21e | 4576 | sv_2mortal(dstr); |
| 792b2c16 | 4577 | if (do_utf8) |
| 28cb3359 | 4578 | (void)SvUTF8_on(dstr); |
| a0d0e21e | 4579 | XPUSHs(dstr); |
| bbce6d69 | 4580 | |
| 4581 | s = m + 1; | |
| 4582 | while (s < strend && | |
| 4583 | ((pm->op_pmflags & PMf_LOCALE) | |
| 4584 | ? isSPACE_LC(*s) : isSPACE(*s))) | |
| 4585 | ++s; | |
| 79072805 LW |
4586 | } |
| 4587 | } | |
| f4091fba | 4588 | else if (strEQ("^", rx->precomp)) { |
| a0d0e21e LW |
4589 | while (--limit) { |
| 4590 | /*SUPPRESS 530*/ | |
| 4591 | for (m = s; m < strend && *m != '\n'; m++) ; | |
| 4592 | m++; | |
| 4593 | if (m >= strend) | |
| 4594 | break; | |
| 4595 | dstr = NEWSV(30, m-s); | |
| 4596 | sv_setpvn(dstr, s, m-s); | |
| 8ec5e241 | 4597 | if (make_mortal) |
| a0d0e21e | 4598 | sv_2mortal(dstr); |
| 792b2c16 | 4599 | if (do_utf8) |
| 28cb3359 | 4600 | (void)SvUTF8_on(dstr); |
| a0d0e21e LW |
4601 | XPUSHs(dstr); |
| 4602 | s = m; | |
| 4603 | } | |
| 4604 | } | |
| 699c3c34 JH |
4605 | else if (do_utf8 == ((rx->reganch & ROPT_UTF8) != 0) && |
| 4606 | (rx->reganch & RE_USE_INTUIT) && !rx->nparens | |
| d9f97599 GS |
4607 | && (rx->reganch & ROPT_CHECK_ALL) |
| 4608 | && !(rx->reganch & ROPT_ANCH)) { | |
| f722798b IZ |
4609 | int tail = (rx->reganch & RE_INTUIT_TAIL); |
| 4610 | SV *csv = CALLREG_INTUIT_STRING(aTHX_ rx); | |
| cf93c79d | 4611 | |
| ca5b42cb | 4612 | len = rx->minlen; |
| 1aa99e6b | 4613 | if (len == 1 && !(rx->reganch & ROPT_UTF8) && !tail) { |
| 93f04dac JH |
4614 | STRLEN n_a; |
| 4615 | char c = *SvPV(csv, n_a); | |
| a0d0e21e | 4616 | while (--limit) { |
| bbce6d69 | 4617 | /*SUPPRESS 530*/ |
| f722798b | 4618 | for (m = s; m < strend && *m != c; m++) ; |
| a0d0e21e LW |
4619 | if (m >= strend) |
| 4620 | break; | |
| 4621 | dstr = NEWSV(30, m-s); | |
| 4622 | sv_setpvn(dstr, s, m-s); | |
| 8ec5e241 | 4623 | if (make_mortal) |
| a0d0e21e | 4624 | sv_2mortal(dstr); |
| 792b2c16 | 4625 | if (do_utf8) |
| 28cb3359 | 4626 | (void)SvUTF8_on(dstr); |
| a0d0e21e | 4627 | XPUSHs(dstr); |
| 93f04dac JH |
4628 | /* The rx->minlen is in characters but we want to step |
| 4629 | * s ahead by bytes. */ | |
| 1aa99e6b IH |
4630 | if (do_utf8) |
| 4631 | s = (char*)utf8_hop((U8*)m, len); | |
| 4632 | else | |
| 4633 | s = m + len; /* Fake \n at the end */ | |
| a0d0e21e LW |
4634 | } |
| 4635 | } | |
| 4636 | else { | |
| 4637 | #ifndef lint | |
| 4638 | while (s < strend && --limit && | |
| f722798b IZ |
4639 | (m = fbm_instr((unsigned char*)s, (unsigned char*)strend, |
| 4640 | csv, PL_multiline ? FBMrf_MULTILINE : 0)) ) | |
| 79072805 | 4641 | #endif |
| a0d0e21e LW |
4642 | { |
| 4643 | dstr = NEWSV(31, m-s); | |
| 4644 | sv_setpvn(dstr, s, m-s); | |
| 8ec5e241 | 4645 | if (make_mortal) |
| a0d0e21e | 4646 | sv_2mortal(dstr); |
| 792b2c16 | 4647 | if (do_utf8) |
| 28cb3359 | 4648 | (void)SvUTF8_on(dstr); |
| a0d0e21e | 4649 | XPUSHs(dstr); |
| 93f04dac JH |
4650 | /* The rx->minlen is in characters but we want to step |
| 4651 | * s ahead by bytes. */ | |
| 1aa99e6b IH |
4652 | if (do_utf8) |
| 4653 | s = (char*)utf8_hop((U8*)m, len); | |
| 4654 | else | |
| 4655 | s = m + len; /* Fake \n at the end */ | |
| a0d0e21e | 4656 | } |
| 463ee0b2 | 4657 | } |
| 463ee0b2 | 4658 | } |
| a0d0e21e | 4659 | else { |
| 792b2c16 | 4660 | maxiters += slen * rx->nparens; |
| f722798b | 4661 | while (s < strend && --limit |
| b13b2135 | 4662 | /* && (!rx->check_substr |
| f722798b IZ |
4663 | || ((s = CALLREG_INTUIT_START(aTHX_ rx, sv, s, strend, |
| 4664 | 0, NULL)))) | |
| 4665 | */ && CALLREGEXEC(aTHX_ rx, s, strend, orig, | |
| 4666 | 1 /* minend */, sv, NULL, 0)) | |
| bbce6d69 | 4667 | { |
| d9f97599 | 4668 | TAINT_IF(RX_MATCH_TAINTED(rx)); |
| cf93c79d | 4669 | if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) { |
| a0d0e21e LW |
4670 | m = s; |
| 4671 | s = orig; | |
| cf93c79d | 4672 | orig = rx->subbeg; |
| a0d0e21e LW |
4673 | s = orig + (m - s); |
| 4674 | strend = s + (strend - m); | |
| 4675 | } | |
| cf93c79d | 4676 | m = rx->startp[0] + orig; |
| a0d0e21e LW |
4677 | dstr = NEWSV(32, m-s); |
| 4678 | sv_setpvn(dstr, s, m-s); | |
| 8ec5e241 | 4679 | if (make_mortal) |
| a0d0e21e | 4680 | sv_2mortal(dstr); |
| 792b2c16 | 4681 | if (do_utf8) |
| 28cb3359 | 4682 | (void)SvUTF8_on(dstr); |
| a0d0e21e | 4683 | XPUSHs(dstr); |
| d9f97599 | 4684 | if (rx->nparens) { |
| eb160463 | 4685 | for (i = 1; i <= (I32)rx->nparens; i++) { |
| cf93c79d IZ |
4686 | s = rx->startp[i] + orig; |
| 4687 | m = rx->endp[i] + orig; | |
| 6de67870 JP |
4688 | |
| 4689 | /* japhy (07/27/01) -- the (m && s) test doesn't catch | |
| 4690 | parens that didn't match -- they should be set to | |
| 4691 | undef, not the empty string */ | |
| 4692 | if (m >= orig && s >= orig) { | |
| 748a9306 LW |
4693 | dstr = NEWSV(33, m-s); |
| 4694 | sv_setpvn(dstr, s, m-s); | |
| 4695 | } | |
| 4696 | else | |
| 6de67870 | 4697 | dstr = &PL_sv_undef; /* undef, not "" */ |
| 8ec5e241 | 4698 | if (make_mortal) |
| a0d0e21e | 4699 | sv_2mortal(dstr); |
| 792b2c16 | 4700 | if (do_utf8) |
| 28cb3359 | 4701 | (void)SvUTF8_on(dstr); |
| a0d0e21e LW |
4702 | XPUSHs(dstr); |
| 4703 | } | |
| 4704 | } | |
| cf93c79d | 4705 | s = rx->endp[0] + orig; |
| 91e09a61 | 4706 | PUTBACK; |
| a0d0e21e | 4707 | } |
| 79072805 | 4708 | } |
| 8ec5e241 | 4709 | |
| c07a80fd | 4710 | LEAVE_SCOPE(oldsave); |
| 3280af22 | 4711 | iters = (SP - PL_stack_base) - base; |
| a0d0e21e | 4712 | if (iters > maxiters) |
| cea2e8a9 | 4713 | DIE(aTHX_ "Split loop"); |
| 8ec5e241 | 4714 | |
| a0d0e21e LW |
4715 | /* keep field after final delim? */ |
| 4716 | if (s < strend || (iters && origlimit)) { | |
| 93f04dac JH |
4717 | STRLEN l = strend - s; |
| 4718 | dstr = NEWSV(34, l); | |
| 4719 | sv_setpvn(dstr, s, l); | |
| 8ec5e241 | 4720 | if (make_mortal) |
| a0d0e21e | 4721 | sv_2mortal(dstr); |
| 792b2c16 | 4722 | if (do_utf8) |
| 28cb3359 | 4723 | (void)SvUTF8_on(dstr); |
| a0d0e21e LW |
4724 | XPUSHs(dstr); |
| 4725 | iters++; | |
| 79072805 | 4726 | } |
| a0d0e21e | 4727 | else if (!origlimit) { |
| 89900bd3 SR |
4728 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) { |
| 4729 | if (TOPs && !make_mortal) | |
| 4730 | sv_2mortal(TOPs); | |
| 4731 | iters--; | |
| 4732 | SP--; | |
| 4733 | } | |
| a0d0e21e | 4734 | } |
| 8ec5e241 | 4735 | |
| a0d0e21e | 4736 | if (realarray) { |
| 8ec5e241 | 4737 | if (!mg) { |
| 1c0b011c | 4738 | SWITCHSTACK(ary, oldstack); |
| 3b0d546b | 4739 | PL_curstackinfo->si_stack = oldstack; |
| 1c0b011c NIS |
4740 | if (SvSMAGICAL(ary)) { |
| 4741 | PUTBACK; | |
| 4742 | mg_set((SV*)ary); | |
| 4743 | SPAGAIN; | |
| 4744 | } | |
| 4745 | if (gimme == G_ARRAY) { | |
| 4746 | EXTEND(SP, iters); | |
| 4747 | Copy(AvARRAY(ary), SP + 1, iters, SV*); | |
| 4748 | SP += iters; | |
| 4749 | RETURN; | |
| 4750 | } | |
| 8ec5e241 | 4751 | } |
| 1c0b011c | 4752 | else { |
| fb73857a | 4753 | PUTBACK; |
| 8ec5e241 | 4754 | ENTER; |
| 864dbfa3 | 4755 | call_method("PUSH",G_SCALAR|G_DISCARD); |
| 8ec5e241 | 4756 | LEAVE; |
| fb73857a | 4757 | SPAGAIN; |
| 8ec5e241 NIS |
4758 | if (gimme == G_ARRAY) { |
| 4759 | /* EXTEND should not be needed - we just popped them */ | |
| 4760 | EXTEND(SP, iters); | |
| 4761 | for (i=0; i < iters; i++) { | |
| 4762 | SV **svp = av_fetch(ary, i, FALSE); | |
| 3280af22 | 4763 | PUSHs((svp) ? *svp : &PL_sv_undef); |
| 8ec5e241 | 4764 | } |
| 1c0b011c NIS |
4765 | RETURN; |
| 4766 | } | |
| a0d0e21e LW |
4767 | } |
| 4768 | } | |
| 4769 | else { | |
| 4770 | if (gimme == G_ARRAY) | |
| 4771 | RETURN; | |
| 4772 | } | |
| 7f18b612 YST |
4773 | |
| 4774 | GETTARGET; | |
| 4775 | PUSHi(iters); | |
| 4776 | RETURN; | |
| 79072805 | 4777 | } |
| 85e6fe83 | 4778 | |
| c0329465 MB |
4779 | PP(pp_lock) |
| 4780 | { | |
| 39644a26 | 4781 | dSP; |
| c0329465 | 4782 | dTOPss; |
| e55aaa0e | 4783 | SV *retsv = sv; |
| 68795e93 | 4784 | SvLOCK(sv); |
| e55aaa0e MB |
4785 | if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV |
| 4786 | || SvTYPE(retsv) == SVt_PVCV) { | |
| 4787 | retsv = refto(retsv); | |
| 4788 | } | |
| 4789 | SETs(retsv); | |
| c0329465 MB |
4790 | RETURN; |
| 4791 | } | |
| a863c7d1 | 4792 | |
| 2faa37cc | 4793 | PP(pp_threadsv) |
| a863c7d1 | 4794 | { |
| cea2e8a9 | 4795 | DIE(aTHX_ "tried to access per-thread data in non-threaded perl"); |
| a863c7d1 | 4796 | } |