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