https://perl5.git.perl.org / perl5.git / blame
| Commit | Line | Data |
|---|---|---|
| a0d0e21e | 1 | /* pp.c |
| 79072805 | 2 | * |
| eb1102fc | 3 | * Copyright (c) 1991-2002, Larry Wall |
| 79072805 | 4 | * |
| a0d0e21e LW |
5 | * You may distribute under the terms of either the GNU General Public |
| 6 | * License or the Artistic License, as specified in the README file. | |
| 79072805 | 7 | * |
| a0d0e21e LW |
8 | */ |
| 9 | ||
| 10 | /* | |
| 11 | * "It's a big house this, and very peculiar. Always a bit more to discover, | |
| 12 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise | |
| 13 | */ | |
| 79072805 LW |
14 | |
| 15 | #include "EXTERN.h" | |
| 864dbfa3 | 16 | #define PERL_IN_PP_C |
| 79072805 | 17 | #include "perl.h" |
| 77bc9082 | 18 | #include "keywords.h" |
| 79072805 | 19 | |
| a0d0e21e | 20 | /* variations on pp_null */ |
| 79072805 | 21 | |
| dfe9444c AD |
22 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ |
| 23 | it, since pid_t is an integral type. | |
| 24 | --AD 2/20/1998 | |
| 25 | */ | |
| 26 | #ifdef NEED_GETPID_PROTO | |
| 27 | extern Pid_t getpid (void); | |
| 8ac85365 NIS |
28 | #endif |
| 29 | ||
| 93a17b20 LW |
30 | PP(pp_stub) |
| 31 | { | |
| 39644a26 | 32 | dSP; |
| 54310121 | 33 | if (GIMME_V == G_SCALAR) |
| 3280af22 | 34 | XPUSHs(&PL_sv_undef); |
| 93a17b20 LW |
35 | RETURN; |
| 36 | } | |
| 37 | ||
| 79072805 LW |
38 | PP(pp_scalar) |
| 39 | { | |
| 40 | return NORMAL; | |
| 41 | } | |
| 42 | ||
| 43 | /* Pushy stuff. */ | |
| 44 | ||
| 93a17b20 LW |
45 | PP(pp_padav) |
| 46 | { | |
| 39644a26 | 47 | dSP; dTARGET; |
| 533c011a NIS |
48 | if (PL_op->op_private & OPpLVAL_INTRO) |
| 49 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
| 85e6fe83 | 50 | EXTEND(SP, 1); |
| 533c011a | 51 | if (PL_op->op_flags & OPf_REF) { |
| 85e6fe83 | 52 | PUSHs(TARG); |
| 93a17b20 | 53 | RETURN; |
| 78f9721b SM |
54 | } else if (LVRET) { |
| 55 | if (GIMME == G_SCALAR) | |
| 56 | Perl_croak(aTHX_ "Can't return array to lvalue scalar context"); | |
| 57 | PUSHs(TARG); | |
| 58 | RETURN; | |
| 85e6fe83 LW |
59 | } |
| 60 | if (GIMME == G_ARRAY) { | |
| 61 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
| 62 | EXTEND(SP, maxarg); | |
| 93965878 NIS |
63 | if (SvMAGICAL(TARG)) { |
| 64 | U32 i; | |
| eb160463 | 65 | for (i=0; i < (U32)maxarg; i++) { |
| 93965878 | 66 | SV **svp = av_fetch((AV*)TARG, i, FALSE); |
| 3280af22 | 67 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
| 93965878 NIS |
68 | } |
| 69 | } | |
| 70 | else { | |
| 71 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
| 72 | } | |
| 85e6fe83 LW |
73 | SP += maxarg; |
| 74 | } | |
| 75 | else { | |
| 76 | SV* sv = sv_newmortal(); | |
| 77 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
| 78 | sv_setiv(sv, maxarg); | |
| 79 | PUSHs(sv); | |
| 80 | } | |
| 81 | RETURN; | |
| 93a17b20 LW |
82 | } |
| 83 | ||
| 84 | PP(pp_padhv) | |
| 85 | { | |
| 39644a26 | 86 | dSP; dTARGET; |
| 54310121 | 87 | I32 gimme; |
| 88 | ||
| 93a17b20 | 89 | XPUSHs(TARG); |
| 533c011a NIS |
90 | if (PL_op->op_private & OPpLVAL_INTRO) |
| 91 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
| 92 | if (PL_op->op_flags & OPf_REF) | |
| 93a17b20 | 93 | RETURN; |
| 78f9721b SM |
94 | else if (LVRET) { |
| 95 | if (GIMME == G_SCALAR) | |
| 96 | Perl_croak(aTHX_ "Can't return hash to lvalue scalar context"); | |
| 97 | RETURN; | |
| 98 | } | |
| 54310121 | 99 | gimme = GIMME_V; |
| 100 | if (gimme == G_ARRAY) { | |
| cea2e8a9 | 101 | RETURNOP(do_kv()); |
| 85e6fe83 | 102 | } |
| 54310121 | 103 | else if (gimme == G_SCALAR) { |
| 85e6fe83 | 104 | SV* sv = sv_newmortal(); |
| 46fc3d4c | 105 | if (HvFILL((HV*)TARG)) |
| cea2e8a9 | 106 | Perl_sv_setpvf(aTHX_ sv, "%ld/%ld", |
| 46fc3d4c | 107 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); |
| 85e6fe83 LW |
108 | else |
| 109 | sv_setiv(sv, 0); | |
| 110 | SETs(sv); | |
| 85e6fe83 | 111 | } |
| 54310121 | 112 | RETURN; |
| 93a17b20 LW |
113 | } |
| 114 | ||
| ed6116ce LW |
115 | PP(pp_padany) |
| 116 | { | |
| cea2e8a9 | 117 | DIE(aTHX_ "NOT IMPL LINE %d",__LINE__); |
| ed6116ce LW |
118 | } |
| 119 | ||
| 79072805 LW |
120 | /* Translations. */ |
| 121 | ||
| 122 | PP(pp_rv2gv) | |
| 123 | { | |
| 39644a26 | 124 | dSP; dTOPss; |
| 8ec5e241 | 125 | |
| ed6116ce | 126 | if (SvROK(sv)) { |
| a0d0e21e | 127 | wasref: |
| f5284f61 IZ |
128 | tryAMAGICunDEREF(to_gv); |
| 129 | ||
| ed6116ce | 130 | sv = SvRV(sv); |
| b1dadf13 | 131 | if (SvTYPE(sv) == SVt_PVIO) { |
| 132 | GV *gv = (GV*) sv_newmortal(); | |
| 133 | gv_init(gv, 0, "", 0, 0); | |
| 134 | GvIOp(gv) = (IO *)sv; | |
| 3e3baf6d | 135 | (void)SvREFCNT_inc(sv); |
| b1dadf13 | 136 | sv = (SV*) gv; |
| ef54e1a4 JH |
137 | } |
| 138 | else if (SvTYPE(sv) != SVt_PVGV) | |
| cea2e8a9 | 139 | DIE(aTHX_ "Not a GLOB reference"); |
| 79072805 LW |
140 | } |
| 141 | else { | |
| 93a17b20 | 142 | if (SvTYPE(sv) != SVt_PVGV) { |
| 748a9306 | 143 | char *sym; |
| c9d5ac95 | 144 | STRLEN len; |
| 748a9306 | 145 | |
| a0d0e21e LW |
146 | if (SvGMAGICAL(sv)) { |
| 147 | mg_get(sv); | |
| 148 | if (SvROK(sv)) | |
| 149 | goto wasref; | |
| 150 | } | |
| afd1915d | 151 | if (!SvOK(sv) && sv != &PL_sv_undef) { |
| b13b2135 | 152 | /* If this is a 'my' scalar and flag is set then vivify |
| 853846ea | 153 | * NI-S 1999/05/07 |
| b13b2135 | 154 | */ |
| 1d8d4d2a | 155 | if (PL_op->op_private & OPpDEREF) { |
| 2c8ac474 GS |
156 | char *name; |
| 157 | GV *gv; | |
| 158 | if (cUNOP->op_targ) { | |
| 159 | STRLEN len; | |
| 160 | SV *namesv = PL_curpad[cUNOP->op_targ]; | |
| 161 | name = SvPV(namesv, len); | |
| 2d6d9f7a | 162 | gv = (GV*)NEWSV(0,0); |
| 2c8ac474 GS |
163 | gv_init(gv, CopSTASH(PL_curcop), name, len, 0); |
| 164 | } | |
| 165 | else { | |
| 166 | name = CopSTASHPV(PL_curcop); | |
| 167 | gv = newGVgen(name); | |
| 1d8d4d2a | 168 | } |
| b13b2135 NIS |
169 | if (SvTYPE(sv) < SVt_RV) |
| 170 | sv_upgrade(sv, SVt_RV); | |
| 2c8ac474 | 171 | SvRV(sv) = (SV*)gv; |
| 853846ea | 172 | SvROK_on(sv); |
| 1d8d4d2a | 173 | SvSETMAGIC(sv); |
| 853846ea | 174 | goto wasref; |
| 2c8ac474 | 175 | } |
| 533c011a NIS |
176 | if (PL_op->op_flags & OPf_REF || |
| 177 | PL_op->op_private & HINT_STRICT_REFS) | |
| cea2e8a9 | 178 | DIE(aTHX_ PL_no_usym, "a symbol"); |
| 599cee73 | 179 | if (ckWARN(WARN_UNINITIALIZED)) |
| b89fed5f | 180 | report_uninit(); |
| a0d0e21e LW |
181 | RETSETUNDEF; |
| 182 | } | |
| c9d5ac95 | 183 | sym = SvPV(sv,len); |
| 35cd451c GS |
184 | if ((PL_op->op_flags & OPf_SPECIAL) && |
| 185 | !(PL_op->op_flags & OPf_MOD)) | |
| 186 | { | |
| 187 | sv = (SV*)gv_fetchpv(sym, FALSE, SVt_PVGV); | |
| c9d5ac95 GS |
188 | if (!sv |
| 189 | && (!is_gv_magical(sym,len,0) | |
| 190 | || !(sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV)))) | |
| 191 | { | |
| 35cd451c | 192 | RETSETUNDEF; |
| c9d5ac95 | 193 | } |
| 35cd451c GS |
194 | } |
| 195 | else { | |
| 196 | if (PL_op->op_private & HINT_STRICT_REFS) | |
| cea2e8a9 | 197 | DIE(aTHX_ PL_no_symref, sym, "a symbol"); |
| 35cd451c GS |
198 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
| 199 | } | |
| 93a17b20 | 200 | } |
| 79072805 | 201 | } |
| 533c011a NIS |
202 | if (PL_op->op_private & OPpLVAL_INTRO) |
| 203 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); | |
| 79072805 LW |
204 | SETs(sv); |
| 205 | RETURN; | |
| 206 | } | |
| 207 | ||
| 79072805 LW |
208 | PP(pp_rv2sv) |
| 209 | { | |
| 39644a26 | 210 | dSP; dTOPss; |
| 79072805 | 211 | |
| ed6116ce | 212 | if (SvROK(sv)) { |
| a0d0e21e | 213 | wasref: |
| f5284f61 IZ |
214 | tryAMAGICunDEREF(to_sv); |
| 215 | ||
| ed6116ce | 216 | sv = SvRV(sv); |
| 79072805 LW |
217 | switch (SvTYPE(sv)) { |
| 218 | case SVt_PVAV: | |
| 219 | case SVt_PVHV: | |
| 220 | case SVt_PVCV: | |
| cea2e8a9 | 221 | DIE(aTHX_ "Not a SCALAR reference"); |
| 79072805 LW |
222 | } |
| 223 | } | |
| 224 | else { | |
| f12c7020 | 225 | GV *gv = (GV*)sv; |
| 748a9306 | 226 | char *sym; |
| c9d5ac95 | 227 | STRLEN len; |
| 748a9306 | 228 | |
| 463ee0b2 | 229 | if (SvTYPE(gv) != SVt_PVGV) { |
| a0d0e21e LW |
230 | if (SvGMAGICAL(sv)) { |
| 231 | mg_get(sv); | |
| 232 | if (SvROK(sv)) | |
| 233 | goto wasref; | |
| 234 | } | |
| 235 | if (!SvOK(sv)) { | |
| 533c011a NIS |
236 | if (PL_op->op_flags & OPf_REF || |
| 237 | PL_op->op_private & HINT_STRICT_REFS) | |
| cea2e8a9 | 238 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
| 599cee73 | 239 | if (ckWARN(WARN_UNINITIALIZED)) |
| b89fed5f | 240 | report_uninit(); |
| a0d0e21e LW |
241 | RETSETUNDEF; |
| 242 | } | |
| c9d5ac95 | 243 | sym = SvPV(sv, len); |
| 35cd451c GS |
244 | if ((PL_op->op_flags & OPf_SPECIAL) && |
| 245 | !(PL_op->op_flags & OPf_MOD)) | |
| 246 | { | |
| 247 | gv = (GV*)gv_fetchpv(sym, FALSE, SVt_PV); | |
| c9d5ac95 GS |
248 | if (!gv |
| 249 | && (!is_gv_magical(sym,len,0) | |
| 250 | || !(gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV)))) | |
| 251 | { | |
| 35cd451c | 252 | RETSETUNDEF; |
| c9d5ac95 | 253 | } |
| 35cd451c GS |
254 | } |
| 255 | else { | |
| 256 | if (PL_op->op_private & HINT_STRICT_REFS) | |
| cea2e8a9 | 257 | DIE(aTHX_ PL_no_symref, sym, "a SCALAR"); |
| 35cd451c GS |
258 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
| 259 | } | |
| 463ee0b2 LW |
260 | } |
| 261 | sv = GvSV(gv); | |
| a0d0e21e | 262 | } |
| 533c011a NIS |
263 | if (PL_op->op_flags & OPf_MOD) { |
| 264 | if (PL_op->op_private & OPpLVAL_INTRO) | |
| a0d0e21e | 265 | sv = save_scalar((GV*)TOPs); |
| 533c011a NIS |
266 | else if (PL_op->op_private & OPpDEREF) |
| 267 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
| 79072805 | 268 | } |
| a0d0e21e | 269 | SETs(sv); |
| 79072805 LW |
270 | RETURN; |
| 271 | } | |
| 272 | ||
| 273 | PP(pp_av2arylen) | |
| 274 | { | |
| 39644a26 | 275 | dSP; |
| 79072805 LW |
276 | AV *av = (AV*)TOPs; |
| 277 | SV *sv = AvARYLEN(av); | |
| 278 | if (!sv) { | |
| 279 | AvARYLEN(av) = sv = NEWSV(0,0); | |
| 280 | sv_upgrade(sv, SVt_IV); | |
| 14befaf4 | 281 | sv_magic(sv, (SV*)av, PERL_MAGIC_arylen, Nullch, 0); |
| 79072805 LW |
282 | } |
| 283 | SETs(sv); | |
| 284 | RETURN; | |
| 285 | } | |
| 286 | ||
| a0d0e21e LW |
287 | PP(pp_pos) |
| 288 | { | |
| 39644a26 | 289 | dSP; dTARGET; dPOPss; |
| 8ec5e241 | 290 | |
| 78f9721b | 291 | if (PL_op->op_flags & OPf_MOD || LVRET) { |
| 5f05dabc | 292 | if (SvTYPE(TARG) < SVt_PVLV) { |
| 293 | sv_upgrade(TARG, SVt_PVLV); | |
| 14befaf4 | 294 | sv_magic(TARG, Nullsv, PERL_MAGIC_pos, Nullch, 0); |
| 5f05dabc | 295 | } |
| 296 | ||
| 297 | LvTYPE(TARG) = '.'; | |
| 6ff81951 GS |
298 | if (LvTARG(TARG) != sv) { |
| 299 | if (LvTARG(TARG)) | |
| 300 | SvREFCNT_dec(LvTARG(TARG)); | |
| 301 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
| 302 | } | |
| a0d0e21e LW |
303 | PUSHs(TARG); /* no SvSETMAGIC */ |
| 304 | RETURN; | |
| 305 | } | |
| 306 | else { | |
| 8ec5e241 | 307 | MAGIC* mg; |
| a0d0e21e LW |
308 | |
| 309 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
| 14befaf4 | 310 | mg = mg_find(sv, PERL_MAGIC_regex_global); |
| 565764a8 | 311 | if (mg && mg->mg_len >= 0) { |
| a0ed51b3 | 312 | I32 i = mg->mg_len; |
| 7e2040f0 | 313 | if (DO_UTF8(sv)) |
| a0ed51b3 LW |
314 | sv_pos_b2u(sv, &i); |
| 315 | PUSHi(i + PL_curcop->cop_arybase); | |
| a0d0e21e LW |
316 | RETURN; |
| 317 | } | |
| 318 | } | |
| 319 | RETPUSHUNDEF; | |
| 320 | } | |
| 321 | } | |
| 322 | ||
| 79072805 LW |
323 | PP(pp_rv2cv) |
| 324 | { | |
| 39644a26 | 325 | dSP; |
| 79072805 LW |
326 | GV *gv; |
| 327 | HV *stash; | |
| 8990e307 | 328 | |
| 4633a7c4 LW |
329 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
| 330 | /* (But not in defined().) */ | |
| 533c011a | 331 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
| 07055b4c CS |
332 | if (cv) { |
| 333 | if (CvCLONE(cv)) | |
| 334 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
| d32f2495 SC |
335 | if ((PL_op->op_private & OPpLVAL_INTRO)) { |
| 336 | if (gv && GvCV(gv) == cv && (gv = gv_autoload4(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), FALSE))) | |
| 337 | cv = GvCV(gv); | |
| 338 | if (!CvLVALUE(cv)) | |
| 339 | DIE(aTHX_ "Can't modify non-lvalue subroutine call"); | |
| 340 | } | |
| 07055b4c CS |
341 | } |
| 342 | else | |
| 3280af22 | 343 | cv = (CV*)&PL_sv_undef; |
| 79072805 LW |
344 | SETs((SV*)cv); |
| 345 | RETURN; | |
| 346 | } | |
| 347 | ||
| c07a80fd | 348 | PP(pp_prototype) |
| 349 | { | |
| 39644a26 | 350 | dSP; |
| c07a80fd | 351 | CV *cv; |
| 352 | HV *stash; | |
| 353 | GV *gv; | |
| 354 | SV *ret; | |
| 355 | ||
| 3280af22 | 356 | ret = &PL_sv_undef; |
| b6c543e3 IZ |
357 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
| 358 | char *s = SvPVX(TOPs); | |
| 359 | if (strnEQ(s, "CORE::", 6)) { | |
| 360 | int code; | |
| b13b2135 | 361 | |
| b6c543e3 IZ |
362 | code = keyword(s + 6, SvCUR(TOPs) - 6); |
| 363 | if (code < 0) { /* Overridable. */ | |
| 364 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
| 365 | int i = 0, n = 0, seen_question = 0; | |
| 366 | I32 oa; | |
| 367 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
| 368 | ||
| 77bc9082 RGS |
369 | if (code == -KEY_chop || code == -KEY_chomp) |
| 370 | goto set; | |
| b6c543e3 | 371 | while (i < MAXO) { /* The slow way. */ |
| 22c35a8c GS |
372 | if (strEQ(s + 6, PL_op_name[i]) |
| 373 | || strEQ(s + 6, PL_op_desc[i])) | |
| 374 | { | |
| b6c543e3 | 375 | goto found; |
| 22c35a8c | 376 | } |
| b6c543e3 IZ |
377 | i++; |
| 378 | } | |
| 379 | goto nonesuch; /* Should not happen... */ | |
| 380 | found: | |
| 22c35a8c | 381 | oa = PL_opargs[i] >> OASHIFT; |
| b6c543e3 | 382 | while (oa) { |
| 3012a639 | 383 | if (oa & OA_OPTIONAL && !seen_question) { |
| b6c543e3 IZ |
384 | seen_question = 1; |
| 385 | str[n++] = ';'; | |
| ef54e1a4 | 386 | } |
| b13b2135 | 387 | else if (n && str[0] == ';' && seen_question) |
| b6c543e3 | 388 | goto set; /* XXXX system, exec */ |
| b13b2135 | 389 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF |
| 6e97e420 SC |
390 | && (oa & (OA_OPTIONAL - 1)) <= OA_SCALARREF |
| 391 | /* But globs are already references (kinda) */ | |
| 392 | && (oa & (OA_OPTIONAL - 1)) != OA_FILEREF | |
| 393 | ) { | |
| b6c543e3 IZ |
394 | str[n++] = '\\'; |
| 395 | } | |
| b6c543e3 IZ |
396 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; |
| 397 | oa = oa >> 4; | |
| 398 | } | |
| 399 | str[n++] = '\0'; | |
| 79cb57f6 | 400 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
| ef54e1a4 JH |
401 | } |
| 402 | else if (code) /* Non-Overridable */ | |
| b6c543e3 IZ |
403 | goto set; |
| 404 | else { /* None such */ | |
| 405 | nonesuch: | |
| d470f89e | 406 | DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
| b6c543e3 IZ |
407 | } |
| 408 | } | |
| 409 | } | |
| c07a80fd | 410 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
| 5f05dabc | 411 | if (cv && SvPOK(cv)) |
| 79cb57f6 | 412 | ret = sv_2mortal(newSVpvn(SvPVX(cv), SvCUR(cv))); |
| b6c543e3 | 413 | set: |
| c07a80fd | 414 | SETs(ret); |
| 415 | RETURN; | |
| 416 | } | |
| 417 | ||
| a0d0e21e LW |
418 | PP(pp_anoncode) |
| 419 | { | |
| 39644a26 | 420 | dSP; |
| 533c011a | 421 | CV* cv = (CV*)PL_curpad[PL_op->op_targ]; |
| a5f75d66 | 422 | if (CvCLONE(cv)) |
| b355b4e0 | 423 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
| 5f05dabc | 424 | EXTEND(SP,1); |
| 748a9306 | 425 | PUSHs((SV*)cv); |
| a0d0e21e LW |
426 | RETURN; |
| 427 | } | |
| 428 | ||
| 429 | PP(pp_srefgen) | |
| 79072805 | 430 | { |
| 39644a26 | 431 | dSP; |
| 71be2cbc | 432 | *SP = refto(*SP); |
| 79072805 | 433 | RETURN; |
| 8ec5e241 | 434 | } |
| a0d0e21e LW |
435 | |
| 436 | PP(pp_refgen) | |
| 437 | { | |
| 39644a26 | 438 | dSP; dMARK; |
| a0d0e21e | 439 | if (GIMME != G_ARRAY) { |
| 5f0b1d4e GS |
440 | if (++MARK <= SP) |
| 441 | *MARK = *SP; | |
| 442 | else | |
| 3280af22 | 443 | *MARK = &PL_sv_undef; |
| 5f0b1d4e GS |
444 | *MARK = refto(*MARK); |
| 445 | SP = MARK; | |
| 446 | RETURN; | |
| a0d0e21e | 447 | } |
| bbce6d69 | 448 | EXTEND_MORTAL(SP - MARK); |
| 71be2cbc | 449 | while (++MARK <= SP) |
| 450 | *MARK = refto(*MARK); | |
| a0d0e21e | 451 | RETURN; |
| 79072805 LW |
452 | } |
| 453 | ||
| 76e3520e | 454 | STATIC SV* |
| cea2e8a9 | 455 | S_refto(pTHX_ SV *sv) |
| 71be2cbc | 456 | { |
| 457 | SV* rv; | |
| 458 | ||
| 459 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
| 460 | if (LvTARGLEN(sv)) | |
| 68dc0745 | 461 | vivify_defelem(sv); |
| 462 | if (!(sv = LvTARG(sv))) | |
| 3280af22 | 463 | sv = &PL_sv_undef; |
| 0dd88869 | 464 | else |
| a6c40364 | 465 | (void)SvREFCNT_inc(sv); |
| 71be2cbc | 466 | } |
| d8b46c1b GS |
467 | else if (SvTYPE(sv) == SVt_PVAV) { |
| 468 | if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv)) | |
| 469 | av_reify((AV*)sv); | |
| 470 | SvTEMP_off(sv); | |
| 471 | (void)SvREFCNT_inc(sv); | |
| 472 | } | |
| f2933f5f DM |
473 | else if (SvPADTMP(sv) && !IS_PADGV(sv)) |
| 474 | sv = newSVsv(sv); | |
| 71be2cbc | 475 | else { |
| 476 | SvTEMP_off(sv); | |
| 477 | (void)SvREFCNT_inc(sv); | |
| 478 | } | |
| 479 | rv = sv_newmortal(); | |
| 480 | sv_upgrade(rv, SVt_RV); | |
| 481 | SvRV(rv) = sv; | |
| 482 | SvROK_on(rv); | |
| 483 | return rv; | |
| 484 | } | |
| 485 | ||
| 79072805 LW |
486 | PP(pp_ref) |
| 487 | { | |
| 39644a26 | 488 | dSP; dTARGET; |
| 463ee0b2 | 489 | SV *sv; |
| 79072805 LW |
490 | char *pv; |
| 491 | ||
| a0d0e21e | 492 | sv = POPs; |
| f12c7020 | 493 | |
| 494 | if (sv && SvGMAGICAL(sv)) | |
| 8ec5e241 | 495 | mg_get(sv); |
| f12c7020 | 496 | |
| a0d0e21e | 497 | if (!sv || !SvROK(sv)) |
| 4633a7c4 | 498 | RETPUSHNO; |
| 79072805 | 499 | |
| ed6116ce | 500 | sv = SvRV(sv); |
| a0d0e21e | 501 | pv = sv_reftype(sv,TRUE); |
| 463ee0b2 | 502 | PUSHp(pv, strlen(pv)); |
| 79072805 LW |
503 | RETURN; |
| 504 | } | |
| 505 | ||
| 506 | PP(pp_bless) | |
| 507 | { | |
| 39644a26 | 508 | dSP; |
| 463ee0b2 | 509 | HV *stash; |
| 79072805 | 510 | |
| 463ee0b2 | 511 | if (MAXARG == 1) |
| 11faa288 | 512 | stash = CopSTASH(PL_curcop); |
| 7b8d334a GS |
513 | else { |
| 514 | SV *ssv = POPs; | |
| 515 | STRLEN len; | |
| 81689caa HS |
516 | char *ptr; |
| 517 | ||
| 016a42f3 | 518 | if (ssv && !SvGMAGICAL(ssv) && !SvAMAGIC(ssv) && SvROK(ssv)) |
| 81689caa HS |
519 | Perl_croak(aTHX_ "Attempt to bless into a reference"); |
| 520 | ptr = SvPV(ssv,len); | |
| e476b1b5 | 521 | if (ckWARN(WARN_MISC) && len == 0) |
| 9014280d | 522 | Perl_warner(aTHX_ packWARN(WARN_MISC), |
| 599cee73 | 523 | "Explicit blessing to '' (assuming package main)"); |
| 7b8d334a GS |
524 | stash = gv_stashpvn(ptr, len, TRUE); |
| 525 | } | |
| a0d0e21e | 526 | |
| 5d3fdfeb | 527 | (void)sv_bless(TOPs, stash); |
| 79072805 LW |
528 | RETURN; |
| 529 | } | |
| 530 | ||
| fb73857a | 531 | PP(pp_gelem) |
| 532 | { | |
| 533 | GV *gv; | |
| 534 | SV *sv; | |
| 76e3520e | 535 | SV *tmpRef; |
| fb73857a | 536 | char *elem; |
| 39644a26 | 537 | dSP; |
| 2d8e6c8d | 538 | STRLEN n_a; |
| b13b2135 | 539 | |
| fb73857a | 540 | sv = POPs; |
| 2d8e6c8d | 541 | elem = SvPV(sv, n_a); |
| fb73857a | 542 | gv = (GV*)POPs; |
| 76e3520e | 543 | tmpRef = Nullsv; |
| fb73857a | 544 | sv = Nullsv; |
| 545 | switch (elem ? *elem : '\0') | |
| 546 | { | |
| 547 | case 'A': | |
| 548 | if (strEQ(elem, "ARRAY")) | |
| 76e3520e | 549 | tmpRef = (SV*)GvAV(gv); |
| fb73857a | 550 | break; |
| 551 | case 'C': | |
| 552 | if (strEQ(elem, "CODE")) | |
| 76e3520e | 553 | tmpRef = (SV*)GvCVu(gv); |
| fb73857a | 554 | break; |
| 555 | case 'F': | |
| 39b99f21 | 556 | if (strEQ(elem, "FILEHANDLE")) { |
| 557 | /* finally deprecated in 5.8.0 */ | |
| 9014280d | 558 | deprecate("*glob{FILEHANDLE}"); |
| 76e3520e | 559 | tmpRef = (SV*)GvIOp(gv); |
| 39b99f21 | 560 | } |
| f4d13ee9 JH |
561 | else |
| 562 | if (strEQ(elem, "FORMAT")) | |
| 563 | tmpRef = (SV*)GvFORM(gv); | |
| fb73857a | 564 | break; |
| 565 | case 'G': | |
| 566 | if (strEQ(elem, "GLOB")) | |
| 76e3520e | 567 | tmpRef = (SV*)gv; |
| fb73857a | 568 | break; |
| 569 | case 'H': | |
| 570 | if (strEQ(elem, "HASH")) | |
| 76e3520e | 571 | tmpRef = (SV*)GvHV(gv); |
| fb73857a | 572 | break; |
| 573 | case 'I': | |
| 574 | if (strEQ(elem, "IO")) | |
| 76e3520e | 575 | tmpRef = (SV*)GvIOp(gv); |
| fb73857a | 576 | break; |
| 577 | case 'N': | |
| 578 | if (strEQ(elem, "NAME")) | |
| 79cb57f6 | 579 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
| fb73857a | 580 | break; |
| 581 | case 'P': | |
| 582 | if (strEQ(elem, "PACKAGE")) | |
| 583 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
| 584 | break; | |
| 585 | case 'S': | |
| 586 | if (strEQ(elem, "SCALAR")) | |
| 76e3520e | 587 | tmpRef = GvSV(gv); |
| fb73857a | 588 | break; |
| 589 | } | |
| 76e3520e GS |
590 | if (tmpRef) |
| 591 | sv = newRV(tmpRef); | |
| fb73857a | 592 | if (sv) |
| 593 | sv_2mortal(sv); | |
| 594 | else | |
| 3280af22 | 595 | sv = &PL_sv_undef; |
| fb73857a | 596 | XPUSHs(sv); |
| 597 | RETURN; | |
| 598 | } | |
| 599 | ||
| a0d0e21e | 600 | /* Pattern matching */ |
| 79072805 | 601 | |
| a0d0e21e | 602 | PP(pp_study) |
| 79072805 | 603 | { |
| 39644a26 | 604 | dSP; dPOPss; |
| a0d0e21e LW |
605 | register unsigned char *s; |
| 606 | register I32 pos; | |
| 607 | register I32 ch; | |
| 608 | register I32 *sfirst; | |
| 609 | register I32 *snext; | |
| a0d0e21e LW |
610 | STRLEN len; |
| 611 | ||
| 3280af22 | 612 | if (sv == PL_lastscream) { |
| 1e422769 | 613 | if (SvSCREAM(sv)) |
| 614 | RETPUSHYES; | |
| 615 | } | |
| c07a80fd | 616 | else { |
| 3280af22 NIS |
617 | if (PL_lastscream) { |
| 618 | SvSCREAM_off(PL_lastscream); | |
| 619 | SvREFCNT_dec(PL_lastscream); | |
| c07a80fd | 620 | } |
| 3280af22 | 621 | PL_lastscream = SvREFCNT_inc(sv); |
| c07a80fd | 622 | } |
| 1e422769 | 623 | |
| 624 | s = (unsigned char*)(SvPV(sv, len)); | |
| 625 | pos = len; | |
| 626 | if (pos <= 0) | |
| 627 | RETPUSHNO; | |
| 3280af22 NIS |
628 | if (pos > PL_maxscream) { |
| 629 | if (PL_maxscream < 0) { | |
| 630 | PL_maxscream = pos + 80; | |
| 631 | New(301, PL_screamfirst, 256, I32); | |
| 632 | New(302, PL_screamnext, PL_maxscream, I32); | |
| 79072805 LW |
633 | } |
| 634 | else { | |
| 3280af22 NIS |
635 | PL_maxscream = pos + pos / 4; |
| 636 | Renew(PL_screamnext, PL_maxscream, I32); | |
| 79072805 | 637 | } |
| 79072805 | 638 | } |
| a0d0e21e | 639 | |
| 3280af22 NIS |
640 | sfirst = PL_screamfirst; |
| 641 | snext = PL_screamnext; | |
| a0d0e21e LW |
642 | |
| 643 | if (!sfirst || !snext) | |
| cea2e8a9 | 644 | DIE(aTHX_ "do_study: out of memory"); |
| a0d0e21e LW |
645 | |
| 646 | for (ch = 256; ch; --ch) | |
| 647 | *sfirst++ = -1; | |
| 648 | sfirst -= 256; | |
| 649 | ||
| 650 | while (--pos >= 0) { | |
| 651 | ch = s[pos]; | |
| 652 | if (sfirst[ch] >= 0) | |
| 653 | snext[pos] = sfirst[ch] - pos; | |
| 654 | else | |
| 655 | snext[pos] = -pos; | |
| 656 | sfirst[ch] = pos; | |
| 79072805 LW |
657 | } |
| 658 | ||
| c07a80fd | 659 | SvSCREAM_on(sv); |
| 14befaf4 DM |
660 | /* piggyback on m//g magic */ |
| 661 | sv_magic(sv, Nullsv, PERL_MAGIC_regex_global, Nullch, 0); | |
| 1e422769 | 662 | RETPUSHYES; |
| 79072805 LW |
663 | } |
| 664 | ||
| a0d0e21e | 665 | PP(pp_trans) |
| 79072805 | 666 | { |
| 39644a26 | 667 | dSP; dTARG; |
| a0d0e21e LW |
668 | SV *sv; |
| 669 | ||
| 533c011a | 670 | if (PL_op->op_flags & OPf_STACKED) |
| a0d0e21e | 671 | sv = POPs; |
| 79072805 | 672 | else { |
| 54b9620d | 673 | sv = DEFSV; |
| a0d0e21e | 674 | EXTEND(SP,1); |
| 79072805 | 675 | } |
| adbc6bb1 | 676 | TARG = sv_newmortal(); |
| 4757a243 | 677 | PUSHi(do_trans(sv)); |
| a0d0e21e | 678 | RETURN; |
| 79072805 LW |
679 | } |
| 680 | ||
| a0d0e21e | 681 | /* Lvalue operators. */ |
| 79072805 | 682 | |
| a0d0e21e LW |
683 | PP(pp_schop) |
| 684 | { | |
| 39644a26 | 685 | dSP; dTARGET; |
| a0d0e21e LW |
686 | do_chop(TARG, TOPs); |
| 687 | SETTARG; | |
| 688 | RETURN; | |
| 79072805 LW |
689 | } |
| 690 | ||
| a0d0e21e | 691 | PP(pp_chop) |
| 79072805 | 692 | { |
| 2ec6af5f RG |
693 | dSP; dMARK; dTARGET; dORIGMARK; |
| 694 | while (MARK < SP) | |
| 695 | do_chop(TARG, *++MARK); | |
| 696 | SP = ORIGMARK; | |
| a0d0e21e LW |
697 | PUSHTARG; |
| 698 | RETURN; | |
| 79072805 LW |
699 | } |
| 700 | ||
| a0d0e21e | 701 | PP(pp_schomp) |
| 79072805 | 702 | { |
| 39644a26 | 703 | dSP; dTARGET; |
| a0d0e21e LW |
704 | SETi(do_chomp(TOPs)); |
| 705 | RETURN; | |
| 79072805 LW |
706 | } |
| 707 | ||
| a0d0e21e | 708 | PP(pp_chomp) |
| 79072805 | 709 | { |
| 39644a26 | 710 | dSP; dMARK; dTARGET; |
| a0d0e21e | 711 | register I32 count = 0; |
| 8ec5e241 | 712 | |
| a0d0e21e LW |
713 | while (SP > MARK) |
| 714 | count += do_chomp(POPs); | |
| 715 | PUSHi(count); | |
| 716 | RETURN; | |
| 79072805 LW |
717 | } |
| 718 | ||
| a0d0e21e | 719 | PP(pp_defined) |
| 463ee0b2 | 720 | { |
| 39644a26 | 721 | dSP; |
| a0d0e21e LW |
722 | register SV* sv; |
| 723 | ||
| 724 | sv = POPs; | |
| 725 | if (!sv || !SvANY(sv)) | |
| 726 | RETPUSHNO; | |
| 727 | switch (SvTYPE(sv)) { | |
| 728 | case SVt_PVAV: | |
| 14befaf4 DM |
729 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) |
| 730 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
| a0d0e21e LW |
731 | RETPUSHYES; |
| 732 | break; | |
| 733 | case SVt_PVHV: | |
| 14befaf4 DM |
734 | if (HvARRAY(sv) || SvGMAGICAL(sv) |
| 735 | || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied))) | |
| a0d0e21e LW |
736 | RETPUSHYES; |
| 737 | break; | |
| 738 | case SVt_PVCV: | |
| 739 | if (CvROOT(sv) || CvXSUB(sv)) | |
| 740 | RETPUSHYES; | |
| 741 | break; | |
| 742 | default: | |
| 743 | if (SvGMAGICAL(sv)) | |
| 744 | mg_get(sv); | |
| 745 | if (SvOK(sv)) | |
| 746 | RETPUSHYES; | |
| 747 | } | |
| 748 | RETPUSHNO; | |
| 463ee0b2 LW |
749 | } |
| 750 | ||
| a0d0e21e LW |
751 | PP(pp_undef) |
| 752 | { | |
| 39644a26 | 753 | dSP; |
| a0d0e21e LW |
754 | SV *sv; |
| 755 | ||
| 533c011a | 756 | if (!PL_op->op_private) { |
| 774d564b | 757 | EXTEND(SP, 1); |
| a0d0e21e | 758 | RETPUSHUNDEF; |
| 774d564b | 759 | } |
| 79072805 | 760 | |
| a0d0e21e LW |
761 | sv = POPs; |
| 762 | if (!sv) | |
| 763 | RETPUSHUNDEF; | |
| 85e6fe83 | 764 | |
| 6fc92669 GS |
765 | if (SvTHINKFIRST(sv)) |
| 766 | sv_force_normal(sv); | |
| 85e6fe83 | 767 | |
| a0d0e21e LW |
768 | switch (SvTYPE(sv)) { |
| 769 | case SVt_NULL: | |
| 770 | break; | |
| 771 | case SVt_PVAV: | |
| 772 | av_undef((AV*)sv); | |
| 773 | break; | |
| 774 | case SVt_PVHV: | |
| 775 | hv_undef((HV*)sv); | |
| 776 | break; | |
| 777 | case SVt_PVCV: | |
| e476b1b5 | 778 | if (ckWARN(WARN_MISC) && cv_const_sv((CV*)sv)) |
| 9014280d | 779 | Perl_warner(aTHX_ packWARN(WARN_MISC), "Constant subroutine %s undefined", |
| 54310121 | 780 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
| 9607fc9c | 781 | /* FALL THROUGH */ |
| 782 | case SVt_PVFM: | |
| 6fc92669 GS |
783 | { |
| 784 | /* let user-undef'd sub keep its identity */ | |
| 65c50114 | 785 | GV* gv = CvGV((CV*)sv); |
| 6fc92669 GS |
786 | cv_undef((CV*)sv); |
| 787 | CvGV((CV*)sv) = gv; | |
| 788 | } | |
| a0d0e21e | 789 | break; |
| 8e07c86e | 790 | case SVt_PVGV: |
| 44a8e56a | 791 | if (SvFAKE(sv)) |
| 3280af22 | 792 | SvSetMagicSV(sv, &PL_sv_undef); |
| 20408e3c GS |
793 | else { |
| 794 | GP *gp; | |
| 795 | gp_free((GV*)sv); | |
| 796 | Newz(602, gp, 1, GP); | |
| 797 | GvGP(sv) = gp_ref(gp); | |
| 798 | GvSV(sv) = NEWSV(72,0); | |
| 57843af0 | 799 | GvLINE(sv) = CopLINE(PL_curcop); |
| 20408e3c GS |
800 | GvEGV(sv) = (GV*)sv; |
| 801 | GvMULTI_on(sv); | |
| 802 | } | |
| 44a8e56a | 803 | break; |
| a0d0e21e | 804 | default: |
| 1e422769 | 805 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
| 4633a7c4 LW |
806 | (void)SvOOK_off(sv); |
| 807 | Safefree(SvPVX(sv)); | |
| 808 | SvPV_set(sv, Nullch); | |
| 809 | SvLEN_set(sv, 0); | |
| a0d0e21e | 810 | } |
| 4633a7c4 LW |
811 | (void)SvOK_off(sv); |
| 812 | SvSETMAGIC(sv); | |
| 79072805 | 813 | } |
| a0d0e21e LW |
814 | |
| 815 | RETPUSHUNDEF; | |
| 79072805 LW |
816 | } |
| 817 | ||
| a0d0e21e | 818 | PP(pp_predec) |
| 79072805 | 819 | { |
| 39644a26 | 820 | dSP; |
| 3510b4a1 | 821 | if (SvTYPE(TOPs) > SVt_PVLV) |
| d470f89e | 822 | DIE(aTHX_ PL_no_modify); |
| 3510b4a1 NC |
823 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
| 824 | && SvIVX(TOPs) != IV_MIN) | |
| 55497cff | 825 | { |
| 748a9306 | 826 | --SvIVX(TOPs); |
| 55497cff | 827 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 748a9306 LW |
828 | } |
| 829 | else | |
| 830 | sv_dec(TOPs); | |
| a0d0e21e LW |
831 | SvSETMAGIC(TOPs); |
| 832 | return NORMAL; | |
| 833 | } | |
| 79072805 | 834 | |
| a0d0e21e LW |
835 | PP(pp_postinc) |
| 836 | { | |
| 39644a26 | 837 | dSP; dTARGET; |
| 3510b4a1 | 838 | if (SvTYPE(TOPs) > SVt_PVLV) |
| d470f89e | 839 | DIE(aTHX_ PL_no_modify); |
| a0d0e21e | 840 | sv_setsv(TARG, TOPs); |
| 3510b4a1 NC |
841 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
| 842 | && SvIVX(TOPs) != IV_MAX) | |
| 55497cff | 843 | { |
| 748a9306 | 844 | ++SvIVX(TOPs); |
| 55497cff | 845 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 748a9306 LW |
846 | } |
| 847 | else | |
| 848 | sv_inc(TOPs); | |
| a0d0e21e LW |
849 | SvSETMAGIC(TOPs); |
| 850 | if (!SvOK(TARG)) | |
| 851 | sv_setiv(TARG, 0); | |
| 852 | SETs(TARG); | |
| 853 | return NORMAL; | |
| 854 | } | |
| 79072805 | 855 | |
| a0d0e21e LW |
856 | PP(pp_postdec) |
| 857 | { | |
| 39644a26 | 858 | dSP; dTARGET; |
| 3510b4a1 | 859 | if (SvTYPE(TOPs) > SVt_PVLV) |
| d470f89e | 860 | DIE(aTHX_ PL_no_modify); |
| a0d0e21e | 861 | sv_setsv(TARG, TOPs); |
| 3510b4a1 NC |
862 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
| 863 | && SvIVX(TOPs) != IV_MIN) | |
| 55497cff | 864 | { |
| 748a9306 | 865 | --SvIVX(TOPs); |
| 55497cff | 866 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 748a9306 LW |
867 | } |
| 868 | else | |
| 869 | sv_dec(TOPs); | |
| a0d0e21e LW |
870 | SvSETMAGIC(TOPs); |
| 871 | SETs(TARG); | |
| 872 | return NORMAL; | |
| 873 | } | |
| 79072805 | 874 | |
| a0d0e21e LW |
875 | /* Ordinary operators. */ |
| 876 | ||
| 877 | PP(pp_pow) | |
| 878 | { | |
| 39644a26 | 879 | dSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
| 58d76dfd JH |
880 | #ifdef PERL_PRESERVE_IVUV |
| 881 | /* ** is implemented with pow. pow is floating point. Perl programmers | |
| 882 | write 2 ** 31 and expect it to be 2147483648 | |
| 883 | pow never made any guarantee to deliver a result to 53 (or whatever) | |
| 884 | bits of accuracy. Which is unfortunate, as perl programmers expect it | |
| 885 | to, and on some platforms (eg Irix with long doubles) it doesn't in | |
| 886 | a very visible case. (2 ** 31, which a regression test uses) | |
| 887 | So we'll implement power-of-2 ** +ve integer with multiplies, to avoid | |
| 888 | these problems. */ | |
| 889 | { | |
| 890 | SvIV_please(TOPm1s); | |
| 891 | if (SvIOK(TOPm1s)) { | |
| 892 | bool baseuok = SvUOK(TOPm1s); | |
| 893 | UV baseuv; | |
| 894 | ||
| 895 | if (baseuok) { | |
| 896 | baseuv = SvUVX(TOPm1s); | |
| 897 | } else { | |
| 898 | IV iv = SvIVX(TOPm1s); | |
| 899 | if (iv >= 0) { | |
| 900 | baseuv = iv; | |
| 901 | baseuok = TRUE; /* effectively it's a UV now */ | |
| 902 | } else { | |
| 903 | baseuv = -iv; /* abs, baseuok == false records sign */ | |
| 904 | } | |
| 905 | } | |
| 906 | SvIV_please(TOPs); | |
| 907 | if (SvIOK(TOPs)) { | |
| 908 | UV power; | |
| 909 | ||
| 910 | if (SvUOK(TOPs)) { | |
| 911 | power = SvUVX(TOPs); | |
| 912 | } else { | |
| 913 | IV iv = SvIVX(TOPs); | |
| 914 | if (iv >= 0) { | |
| 915 | power = iv; | |
| 916 | } else { | |
| 917 | goto float_it; /* Can't do negative powers this way. */ | |
| 918 | } | |
| 919 | } | |
| 920 | /* now we have integer ** positive integer. | |
| 921 | foo & (foo - 1) is zero only for a power of 2. */ | |
| 922 | if (!(baseuv & (baseuv - 1))) { | |
| 923 | /* We are raising power-of-2 to postive integer. | |
| 924 | The logic here will work for any base (even non-integer | |
| 925 | bases) but it can be less accurate than | |
| 926 | pow (base,power) or exp (power * log (base)) when the | |
| 927 | intermediate values start to spill out of the mantissa. | |
| 928 | With powers of 2 we know this can't happen. | |
| 929 | And powers of 2 are the favourite thing for perl | |
| 930 | programmers to notice ** not doing what they mean. */ | |
| 931 | NV result = 1.0; | |
| 932 | NV base = baseuok ? baseuv : -(NV)baseuv; | |
| 933 | int n = 0; | |
| 934 | ||
| 935 | /* The logic is this. | |
| 936 | x ** n === x ** m1 * x ** m2 where n = m1 + m2 | |
| 937 | so as 42 is 32 + 8 + 2 | |
| 938 | x ** 42 can be written as | |
| 939 | x ** 32 * x ** 8 * x ** 2 | |
| 940 | I can calculate x ** 2, x ** 4, x ** 8 etc trivially: | |
| 941 | x ** 2n is x ** n * x ** n | |
| 942 | So I loop round, squaring x each time | |
| 943 | (x, x ** 2, x ** 4, x ** 8) and multiply the result | |
| 944 | by the x-value whenever that bit is set in the power. | |
| 945 | To finish as soon as possible I zero bits in the power | |
| 946 | when I've done them, so that power becomes zero when | |
| 947 | I clear the last bit (no more to do), and the loop | |
| 948 | terminates. */ | |
| 949 | for (; power; base *= base, n++) { | |
| 950 | /* Do I look like I trust gcc with long longs here? | |
| 951 | Do I hell. */ | |
| 952 | UV bit = (UV)1 << (UV)n; | |
| 953 | if (power & bit) { | |
| 954 | result *= base; | |
| 955 | /* Only bother to clear the bit if it is set. */ | |
| 956 | power &= ~bit; | |
| 957 | } | |
| 958 | } | |
| 959 | SP--; | |
| 960 | SETn( result ); | |
| 961 | RETURN; | |
| 962 | } | |
| 963 | } | |
| 964 | } | |
| 965 | } | |
| 966 | float_it: | |
| 967 | #endif | |
| a0d0e21e | 968 | { |
| 58d76dfd JH |
969 | dPOPTOPnnrl; |
| 970 | SETn( Perl_pow( left, right) ); | |
| 971 | RETURN; | |
| 93a17b20 | 972 | } |
| a0d0e21e LW |
973 | } |
| 974 | ||
| 975 | PP(pp_multiply) | |
| 976 | { | |
| 39644a26 | 977 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
| 28e5dec8 JH |
978 | #ifdef PERL_PRESERVE_IVUV |
| 979 | SvIV_please(TOPs); | |
| 980 | if (SvIOK(TOPs)) { | |
| 981 | /* Unless the left argument is integer in range we are going to have to | |
| 982 | use NV maths. Hence only attempt to coerce the right argument if | |
| 983 | we know the left is integer. */ | |
| 984 | /* Left operand is defined, so is it IV? */ | |
| 985 | SvIV_please(TOPm1s); | |
| 986 | if (SvIOK(TOPm1s)) { | |
| 987 | bool auvok = SvUOK(TOPm1s); | |
| 988 | bool buvok = SvUOK(TOPs); | |
| 989 | const UV topmask = (~ (UV)0) << (4 * sizeof (UV)); | |
| 990 | const UV botmask = ~((~ (UV)0) << (4 * sizeof (UV))); | |
| 991 | UV alow; | |
| 992 | UV ahigh; | |
| 993 | UV blow; | |
| 994 | UV bhigh; | |
| 995 | ||
| 996 | if (auvok) { | |
| 997 | alow = SvUVX(TOPm1s); | |
| 998 | } else { | |
| 999 | IV aiv = SvIVX(TOPm1s); | |
| 1000 | if (aiv >= 0) { | |
| 1001 | alow = aiv; | |
| 1002 | auvok = TRUE; /* effectively it's a UV now */ | |
| 1003 | } else { | |
| 1004 | alow = -aiv; /* abs, auvok == false records sign */ | |
| 1005 | } | |
| 1006 | } | |
| 1007 | if (buvok) { | |
| 1008 | blow = SvUVX(TOPs); | |
| 1009 | } else { | |
| 1010 | IV biv = SvIVX(TOPs); | |
| 1011 | if (biv >= 0) { | |
| 1012 | blow = biv; | |
| 1013 | buvok = TRUE; /* effectively it's a UV now */ | |
| 1014 | } else { | |
| 1015 | blow = -biv; /* abs, buvok == false records sign */ | |
| 1016 | } | |
| 1017 | } | |
| 1018 | ||
| 1019 | /* If this does sign extension on unsigned it's time for plan B */ | |
| 1020 | ahigh = alow >> (4 * sizeof (UV)); | |
| 1021 | alow &= botmask; | |
| 1022 | bhigh = blow >> (4 * sizeof (UV)); | |
| 1023 | blow &= botmask; | |
| 1024 | if (ahigh && bhigh) { | |
| 1025 | /* eg 32 bit is at least 0x10000 * 0x10000 == 0x100000000 | |
| 1026 | which is overflow. Drop to NVs below. */ | |
| 1027 | } else if (!ahigh && !bhigh) { | |
| 1028 | /* eg 32 bit is at most 0xFFFF * 0xFFFF == 0xFFFE0001 | |
| 1029 | so the unsigned multiply cannot overflow. */ | |
| 1030 | UV product = alow * blow; | |
| 1031 | if (auvok == buvok) { | |
| 1032 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
| 1033 | SP--; | |
| 1034 | SETu( product ); | |
| 1035 | RETURN; | |
| 1036 | } else if (product <= (UV)IV_MIN) { | |
| 1037 | /* 2s complement assumption that (UV)-IV_MIN is correct. */ | |
| 1038 | /* -ve result, which could overflow an IV */ | |
| 1039 | SP--; | |
| 25716404 | 1040 | SETi( -(IV)product ); |
| 28e5dec8 JH |
1041 | RETURN; |
| 1042 | } /* else drop to NVs below. */ | |
| 1043 | } else { | |
| 1044 | /* One operand is large, 1 small */ | |
| 1045 | UV product_middle; | |
| 1046 | if (bhigh) { | |
| 1047 | /* swap the operands */ | |
| 1048 | ahigh = bhigh; | |
| 1049 | bhigh = blow; /* bhigh now the temp var for the swap */ | |
| 1050 | blow = alow; | |
| 1051 | alow = bhigh; | |
| 1052 | } | |
| 1053 | /* now, ((ahigh * blow) << half_UV_len) + (alow * blow) | |
| 1054 | multiplies can't overflow. shift can, add can, -ve can. */ | |
| 1055 | product_middle = ahigh * blow; | |
| 1056 | if (!(product_middle & topmask)) { | |
| 1057 | /* OK, (ahigh * blow) won't lose bits when we shift it. */ | |
| 1058 | UV product_low; | |
| 1059 | product_middle <<= (4 * sizeof (UV)); | |
| 1060 | product_low = alow * blow; | |
| 1061 | ||
| 1062 | /* as for pp_add, UV + something mustn't get smaller. | |
| 1063 | IIRC ANSI mandates this wrapping *behaviour* for | |
| 1064 | unsigned whatever the actual representation*/ | |
| 1065 | product_low += product_middle; | |
| 1066 | if (product_low >= product_middle) { | |
| 1067 | /* didn't overflow */ | |
| 1068 | if (auvok == buvok) { | |
| 1069 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
| 1070 | SP--; | |
| 1071 | SETu( product_low ); | |
| 1072 | RETURN; | |
| 1073 | } else if (product_low <= (UV)IV_MIN) { | |
| 1074 | /* 2s complement assumption again */ | |
| 1075 | /* -ve result, which could overflow an IV */ | |
| 1076 | SP--; | |
| 25716404 | 1077 | SETi( -(IV)product_low ); |
| 28e5dec8 JH |
1078 | RETURN; |
| 1079 | } /* else drop to NVs below. */ | |
| 1080 | } | |
| 1081 | } /* product_middle too large */ | |
| 1082 | } /* ahigh && bhigh */ | |
| 1083 | } /* SvIOK(TOPm1s) */ | |
| 1084 | } /* SvIOK(TOPs) */ | |
| 1085 | #endif | |
| a0d0e21e LW |
1086 | { |
| 1087 | dPOPTOPnnrl; | |
| 1088 | SETn( left * right ); | |
| 1089 | RETURN; | |
| 79072805 | 1090 | } |
| a0d0e21e LW |
1091 | } |
| 1092 | ||
| 1093 | PP(pp_divide) | |
| 1094 | { | |
| 39644a26 | 1095 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
| 5479d192 | 1096 | /* Only try to do UV divide first |
| 68795e93 | 1097 | if ((SLOPPYDIVIDE is true) or |
| 5479d192 NC |
1098 | (PERL_PRESERVE_IVUV is true and one or both SV is a UV too large |
| 1099 | to preserve)) | |
| 1100 | The assumption is that it is better to use floating point divide | |
| 1101 | whenever possible, only doing integer divide first if we can't be sure. | |
| 1102 | If NV_PRESERVES_UV is true then we know at compile time that no UV | |
| 1103 | can be too large to preserve, so don't need to compile the code to | |
| 1104 | test the size of UVs. */ | |
| 1105 | ||
| a0d0e21e | 1106 | #ifdef SLOPPYDIVIDE |
| 5479d192 NC |
1107 | # define PERL_TRY_UV_DIVIDE |
| 1108 | /* ensure that 20./5. == 4. */ | |
| a0d0e21e | 1109 | #else |
| 5479d192 NC |
1110 | # ifdef PERL_PRESERVE_IVUV |
| 1111 | # ifndef NV_PRESERVES_UV | |
| 1112 | # define PERL_TRY_UV_DIVIDE | |
| 1113 | # endif | |
| 1114 | # endif | |
| a0d0e21e | 1115 | #endif |
| 5479d192 NC |
1116 | |
| 1117 | #ifdef PERL_TRY_UV_DIVIDE | |
| 1118 | SvIV_please(TOPs); | |
| 1119 | if (SvIOK(TOPs)) { | |
| 1120 | SvIV_please(TOPm1s); | |
| 1121 | if (SvIOK(TOPm1s)) { | |
| 1122 | bool left_non_neg = SvUOK(TOPm1s); | |
| 1123 | bool right_non_neg = SvUOK(TOPs); | |
| 1124 | UV left; | |
| 1125 | UV right; | |
| 1126 | ||
| 1127 | if (right_non_neg) { | |
| 1128 | right = SvUVX(TOPs); | |
| 1129 | } | |
| 1130 | else { | |
| 1131 | IV biv = SvIVX(TOPs); | |
| 1132 | if (biv >= 0) { | |
| 1133 | right = biv; | |
| 1134 | right_non_neg = TRUE; /* effectively it's a UV now */ | |
| 1135 | } | |
| 1136 | else { | |
| 1137 | right = -biv; | |
| 1138 | } | |
| 1139 | } | |
| 1140 | /* historically undef()/0 gives a "Use of uninitialized value" | |
| 1141 | warning before dieing, hence this test goes here. | |
| 1142 | If it were immediately before the second SvIV_please, then | |
| 1143 | DIE() would be invoked before left was even inspected, so | |
| 1144 | no inpsection would give no warning. */ | |
| 1145 | if (right == 0) | |
| 1146 | DIE(aTHX_ "Illegal division by zero"); | |
| 1147 | ||
| 1148 | if (left_non_neg) { | |
| 1149 | left = SvUVX(TOPm1s); | |
| 1150 | } | |
| 1151 | else { | |
| 1152 | IV aiv = SvIVX(TOPm1s); | |
| 1153 | if (aiv >= 0) { | |
| 1154 | left = aiv; | |
| 1155 | left_non_neg = TRUE; /* effectively it's a UV now */ | |
| 1156 | } | |
| 1157 | else { | |
| 1158 | left = -aiv; | |
| 1159 | } | |
| 1160 | } | |
| 1161 | ||
| 1162 | if (left >= right | |
| 1163 | #ifdef SLOPPYDIVIDE | |
| 1164 | /* For sloppy divide we always attempt integer division. */ | |
| 1165 | #else | |
| 1166 | /* Otherwise we only attempt it if either or both operands | |
| 1167 | would not be preserved by an NV. If both fit in NVs | |
| 0c2ee62a NC |
1168 | we fall through to the NV divide code below. However, |
| 1169 | as left >= right to ensure integer result here, we know that | |
| 1170 | we can skip the test on the right operand - right big | |
| 1171 | enough not to be preserved can't get here unless left is | |
| 1172 | also too big. */ | |
| 1173 | ||
| 1174 | && (left > ((UV)1 << NV_PRESERVES_UV_BITS)) | |
| 5479d192 NC |
1175 | #endif |
| 1176 | ) { | |
| 1177 | /* Integer division can't overflow, but it can be imprecise. */ | |
| 1178 | UV result = left / right; | |
| 1179 | if (result * right == left) { | |
| 1180 | SP--; /* result is valid */ | |
| 1181 | if (left_non_neg == right_non_neg) { | |
| 1182 | /* signs identical, result is positive. */ | |
| 1183 | SETu( result ); | |
| 1184 | RETURN; | |
| 1185 | } | |
| 1186 | /* 2s complement assumption */ | |
| 1187 | if (result <= (UV)IV_MIN) | |
| 91f3b821 | 1188 | SETi( -(IV)result ); |
| 5479d192 NC |
1189 | else { |
| 1190 | /* It's exact but too negative for IV. */ | |
| 1191 | SETn( -(NV)result ); | |
| 1192 | } | |
| 1193 | RETURN; | |
| 1194 | } /* tried integer divide but it was not an integer result */ | |
| 1195 | } /* else (abs(result) < 1.0) or (both UVs in range for NV) */ | |
| 1196 | } /* left wasn't SvIOK */ | |
| 1197 | } /* right wasn't SvIOK */ | |
| 1198 | #endif /* PERL_TRY_UV_DIVIDE */ | |
| 1199 | { | |
| 1200 | dPOPPOPnnrl; | |
| 1201 | if (right == 0.0) | |
| 1202 | DIE(aTHX_ "Illegal division by zero"); | |
| 1203 | PUSHn( left / right ); | |
| 1204 | RETURN; | |
| 79072805 | 1205 | } |
| a0d0e21e LW |
1206 | } |
| 1207 | ||
| 1208 | PP(pp_modulo) | |
| 1209 | { | |
| 39644a26 | 1210 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
| a0d0e21e | 1211 | { |
| 9c5ffd7c JH |
1212 | UV left = 0; |
| 1213 | UV right = 0; | |
| dc656993 JH |
1214 | bool left_neg = FALSE; |
| 1215 | bool right_neg = FALSE; | |
| e2c88acc NC |
1216 | bool use_double = FALSE; |
| 1217 | bool dright_valid = FALSE; | |
| 9c5ffd7c JH |
1218 | NV dright = 0.0; |
| 1219 | NV dleft = 0.0; | |
| 787eafbd | 1220 | |
| e2c88acc NC |
1221 | SvIV_please(TOPs); |
| 1222 | if (SvIOK(TOPs)) { | |
| 1223 | right_neg = !SvUOK(TOPs); | |
| 1224 | if (!right_neg) { | |
| 1225 | right = SvUVX(POPs); | |
| 1226 | } else { | |
| 1227 | IV biv = SvIVX(POPs); | |
| 1228 | if (biv >= 0) { | |
| 1229 | right = biv; | |
| 1230 | right_neg = FALSE; /* effectively it's a UV now */ | |
| 1231 | } else { | |
| 1232 | right = -biv; | |
| 1233 | } | |
| 1234 | } | |
| 1235 | } | |
| 1236 | else { | |
| 787eafbd | 1237 | dright = POPn; |
| 787eafbd IZ |
1238 | right_neg = dright < 0; |
| 1239 | if (right_neg) | |
| 1240 | dright = -dright; | |
| e2c88acc NC |
1241 | if (dright < UV_MAX_P1) { |
| 1242 | right = U_V(dright); | |
| 1243 | dright_valid = TRUE; /* In case we need to use double below. */ | |
| 1244 | } else { | |
| 1245 | use_double = TRUE; | |
| 1246 | } | |
| 787eafbd | 1247 | } |
| a0d0e21e | 1248 | |
| e2c88acc NC |
1249 | /* At this point use_double is only true if right is out of range for |
| 1250 | a UV. In range NV has been rounded down to nearest UV and | |
| 1251 | use_double false. */ | |
| 1252 | SvIV_please(TOPs); | |
| 1253 | if (!use_double && SvIOK(TOPs)) { | |
| 1254 | if (SvIOK(TOPs)) { | |
| 1255 | left_neg = !SvUOK(TOPs); | |
| 1256 | if (!left_neg) { | |
| 1257 | left = SvUVX(POPs); | |
| 1258 | } else { | |
| 1259 | IV aiv = SvIVX(POPs); | |
| 1260 | if (aiv >= 0) { | |
| 1261 | left = aiv; | |
| 1262 | left_neg = FALSE; /* effectively it's a UV now */ | |
| 1263 | } else { | |
| 1264 | left = -aiv; | |
| 1265 | } | |
| 1266 | } | |
| 1267 | } | |
| 1268 | } | |
| 787eafbd IZ |
1269 | else { |
| 1270 | dleft = POPn; | |
| 787eafbd IZ |
1271 | left_neg = dleft < 0; |
| 1272 | if (left_neg) | |
| 1273 | dleft = -dleft; | |
| 68dc0745 | 1274 | |
| e2c88acc NC |
1275 | /* This should be exactly the 5.6 behaviour - if left and right are |
| 1276 | both in range for UV then use U_V() rather than floor. */ | |
| 1277 | if (!use_double) { | |
| 1278 | if (dleft < UV_MAX_P1) { | |
| 1279 | /* right was in range, so is dleft, so use UVs not double. | |
| 1280 | */ | |
| 1281 | left = U_V(dleft); | |
| 1282 | } | |
| 1283 | /* left is out of range for UV, right was in range, so promote | |
| 1284 | right (back) to double. */ | |
| 1285 | else { | |
| 1286 | /* The +0.5 is used in 5.6 even though it is not strictly | |
| 1287 | consistent with the implicit +0 floor in the U_V() | |
| 1288 | inside the #if 1. */ | |
| 1289 | dleft = Perl_floor(dleft + 0.5); | |
| 1290 | use_double = TRUE; | |
| 1291 | if (dright_valid) | |
| 1292 | dright = Perl_floor(dright + 0.5); | |
| 1293 | else | |
| 1294 | dright = right; | |
| 1295 | } | |
| 1296 | } | |
| 1297 | } | |
| 787eafbd | 1298 | if (use_double) { |
| 65202027 | 1299 | NV dans; |
| 787eafbd | 1300 | |
| 787eafbd | 1301 | if (!dright) |
| cea2e8a9 | 1302 | DIE(aTHX_ "Illegal modulus zero"); |
| 787eafbd | 1303 | |
| 65202027 | 1304 | dans = Perl_fmod(dleft, dright); |
| 787eafbd IZ |
1305 | if ((left_neg != right_neg) && dans) |
| 1306 | dans = dright - dans; | |
| 1307 | if (right_neg) | |
| 1308 | dans = -dans; | |
| 1309 | sv_setnv(TARG, dans); | |
| 1310 | } | |
| 1311 | else { | |
| 1312 | UV ans; | |
| 1313 | ||
| 787eafbd | 1314 | if (!right) |
| cea2e8a9 | 1315 | DIE(aTHX_ "Illegal modulus zero"); |
| 787eafbd IZ |
1316 | |
| 1317 | ans = left % right; | |
| 1318 | if ((left_neg != right_neg) && ans) | |
| 1319 | ans = right - ans; | |
| 1320 | if (right_neg) { | |
| 1321 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
| 1322 | /* could change -foo to be (~foo)+1 instead */ | |
| 1323 | if (ans <= ~((UV)IV_MAX)+1) | |
| 1324 | sv_setiv(TARG, ~ans+1); | |
| 1325 | else | |
| 65202027 | 1326 | sv_setnv(TARG, -(NV)ans); |
| 787eafbd IZ |
1327 | } |
| 1328 | else | |
| 1329 | sv_setuv(TARG, ans); | |
| 1330 | } | |
| 1331 | PUSHTARG; | |
| 1332 | RETURN; | |
| 79072805 | 1333 | } |
| a0d0e21e | 1334 | } |
| 79072805 | 1335 | |
| a0d0e21e LW |
1336 | PP(pp_repeat) |
| 1337 | { | |
| 39644a26 | 1338 | dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
| 748a9306 | 1339 | { |
| 467f0320 | 1340 | register IV count = POPi; |
| 533c011a | 1341 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
| a0d0e21e LW |
1342 | dMARK; |
| 1343 | I32 items = SP - MARK; | |
| 1344 | I32 max; | |
| 79072805 | 1345 | |
| a0d0e21e LW |
1346 | max = items * count; |
| 1347 | MEXTEND(MARK, max); | |
| 1348 | if (count > 1) { | |
| 1349 | while (SP > MARK) { | |
| 976c8a39 JH |
1350 | #if 0 |
| 1351 | /* This code was intended to fix 20010809.028: | |
| 1352 | ||
| 1353 | $x = 'abcd'; | |
| 1354 | for (($x =~ /./g) x 2) { | |
| 1355 | print chop; # "abcdabcd" expected as output. | |
| 1356 | } | |
| 1357 | ||
| 1358 | * but that change (#11635) broke this code: | |
| 1359 | ||
| 1360 | $x = [("foo")x2]; # only one "foo" ended up in the anonlist. | |
| 1361 | ||
| 1362 | * I can't think of a better fix that doesn't introduce | |
| 1363 | * an efficiency hit by copying the SVs. The stack isn't | |
| 1364 | * refcounted, and mortalisation obviously doesn't | |
| 1365 | * Do The Right Thing when the stack has more than | |
| 1366 | * one pointer to the same mortal value. | |
| 1367 | * .robin. | |
| 1368 | */ | |
| e30acc16 RH |
1369 | if (*SP) { |
| 1370 | *SP = sv_2mortal(newSVsv(*SP)); | |
| 1371 | SvREADONLY_on(*SP); | |
| 1372 | } | |
| 976c8a39 JH |
1373 | #else |
| 1374 | if (*SP) | |
| 1375 | SvTEMP_off((*SP)); | |
| 1376 | #endif | |
| a0d0e21e | 1377 | SP--; |
| 79072805 | 1378 | } |
| a0d0e21e LW |
1379 | MARK++; |
| 1380 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
| 1381 | items * sizeof(SV*), count - 1); | |
| 1382 | SP += max; | |
| 79072805 | 1383 | } |
| a0d0e21e LW |
1384 | else if (count <= 0) |
| 1385 | SP -= items; | |
| 79072805 | 1386 | } |
| a0d0e21e | 1387 | else { /* Note: mark already snarfed by pp_list */ |
| dfcb284a | 1388 | SV *tmpstr = POPs; |
| a0d0e21e | 1389 | STRLEN len; |
| 9b877dbb | 1390 | bool isutf; |
| a0d0e21e | 1391 | |
| a0d0e21e LW |
1392 | SvSetSV(TARG, tmpstr); |
| 1393 | SvPV_force(TARG, len); | |
| 9b877dbb | 1394 | isutf = DO_UTF8(TARG); |
| 8ebc5c01 | 1395 | if (count != 1) { |
| 1396 | if (count < 1) | |
| 1397 | SvCUR_set(TARG, 0); | |
| 1398 | else { | |
| 1399 | SvGROW(TARG, (count * len) + 1); | |
| a0d0e21e | 1400 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
| 8ebc5c01 | 1401 | SvCUR(TARG) *= count; |
| 7a4c00b4 | 1402 | } |
| a0d0e21e | 1403 | *SvEND(TARG) = '\0'; |
| a0d0e21e | 1404 | } |
| dfcb284a GS |
1405 | if (isutf) |
| 1406 | (void)SvPOK_only_UTF8(TARG); | |
| 1407 | else | |
| 1408 | (void)SvPOK_only(TARG); | |
| b80b6069 RH |
1409 | |
| 1410 | if (PL_op->op_private & OPpREPEAT_DOLIST) { | |
| 1411 | /* The parser saw this as a list repeat, and there | |
| 1412 | are probably several items on the stack. But we're | |
| 1413 | in scalar context, and there's no pp_list to save us | |
| 1414 | now. So drop the rest of the items -- robin@kitsite.com | |
| 1415 | */ | |
| 1416 | dMARK; | |
| 1417 | SP = MARK; | |
| 1418 | } | |
| a0d0e21e | 1419 | PUSHTARG; |
| 79072805 | 1420 | } |
| a0d0e21e | 1421 | RETURN; |
| 748a9306 | 1422 | } |
| a0d0e21e | 1423 | } |
| 79072805 | 1424 | |
| a0d0e21e LW |
1425 | PP(pp_subtract) |
| 1426 | { | |
| 39644a26 | 1427 | dSP; dATARGET; bool useleft; tryAMAGICbin(subtr,opASSIGN); |
| 28e5dec8 JH |
1428 | useleft = USE_LEFT(TOPm1s); |
| 1429 | #ifdef PERL_PRESERVE_IVUV | |
| 7dca457a NC |
1430 | /* See comments in pp_add (in pp_hot.c) about Overflow, and how |
| 1431 | "bad things" happen if you rely on signed integers wrapping. */ | |
| 28e5dec8 JH |
1432 | SvIV_please(TOPs); |
| 1433 | if (SvIOK(TOPs)) { | |
| 1434 | /* Unless the left argument is integer in range we are going to have to | |
| 1435 | use NV maths. Hence only attempt to coerce the right argument if | |
| 1436 | we know the left is integer. */ | |
| 9c5ffd7c JH |
1437 | register UV auv = 0; |
| 1438 | bool auvok = FALSE; | |
| 7dca457a NC |
1439 | bool a_valid = 0; |
| 1440 | ||
| 28e5dec8 | 1441 | if (!useleft) { |
| 7dca457a NC |
1442 | auv = 0; |
| 1443 | a_valid = auvok = 1; | |
| 1444 | /* left operand is undef, treat as zero. */ | |
| 28e5dec8 JH |
1445 | } else { |
| 1446 | /* Left operand is defined, so is it IV? */ | |
| 1447 | SvIV_please(TOPm1s); | |
| 1448 | if (SvIOK(TOPm1s)) { | |
| 7dca457a NC |
1449 | if ((auvok = SvUOK(TOPm1s))) |
| 1450 | auv = SvUVX(TOPm1s); | |
| 1451 | else { | |
| 1452 | register IV aiv = SvIVX(TOPm1s); | |
| 1453 | if (aiv >= 0) { | |
| 1454 | auv = aiv; | |
| 1455 | auvok = 1; /* Now acting as a sign flag. */ | |
| 1456 | } else { /* 2s complement assumption for IV_MIN */ | |
| 1457 | auv = (UV)-aiv; | |
| 28e5dec8 | 1458 | } |
| 7dca457a NC |
1459 | } |
| 1460 | a_valid = 1; | |
| 1461 | } | |
| 1462 | } | |
| 1463 | if (a_valid) { | |
| 1464 | bool result_good = 0; | |
| 1465 | UV result; | |
| 1466 | register UV buv; | |
| 1467 | bool buvok = SvUOK(TOPs); | |
| 9041c2e3 | 1468 | |
| 7dca457a NC |
1469 | if (buvok) |
| 1470 | buv = SvUVX(TOPs); | |
| 1471 | else { | |
| 1472 | register IV biv = SvIVX(TOPs); | |
| 1473 | if (biv >= 0) { | |
| 1474 | buv = biv; | |
| 1475 | buvok = 1; | |
| 1476 | } else | |
| 1477 | buv = (UV)-biv; | |
| 1478 | } | |
| 1479 | /* ?uvok if value is >= 0. basically, flagged as UV if it's +ve, | |
| 602f51c4 | 1480 | else "IV" now, independent of how it came in. |
| 7dca457a NC |
1481 | if a, b represents positive, A, B negative, a maps to -A etc |
| 1482 | a - b => (a - b) | |
| 1483 | A - b => -(a + b) | |
| 1484 | a - B => (a + b) | |
| 1485 | A - B => -(a - b) | |
| 1486 | all UV maths. negate result if A negative. | |
| 1487 | subtract if signs same, add if signs differ. */ | |
| 1488 | ||
| 1489 | if (auvok ^ buvok) { | |
| 1490 | /* Signs differ. */ | |
| 1491 | result = auv + buv; | |
| 1492 | if (result >= auv) | |
| 1493 | result_good = 1; | |
| 1494 | } else { | |
| 1495 | /* Signs same */ | |
| 1496 | if (auv >= buv) { | |
| 1497 | result = auv - buv; | |
| 1498 | /* Must get smaller */ | |
| 1499 | if (result <= auv) | |
| 1500 | result_good = 1; | |
| 1501 | } else { | |
| 1502 | result = buv - auv; | |
| 1503 | if (result <= buv) { | |
| 1504 | /* result really should be -(auv-buv). as its negation | |
| 1505 | of true value, need to swap our result flag */ | |
| 1506 | auvok = !auvok; | |
| 1507 | result_good = 1; | |
| 28e5dec8 | 1508 | } |
| 28e5dec8 JH |
1509 | } |
| 1510 | } | |
| 7dca457a NC |
1511 | if (result_good) { |
| 1512 | SP--; | |
| 1513 | if (auvok) | |
| 1514 | SETu( result ); | |
| 1515 | else { | |
| 1516 | /* Negate result */ | |
| 1517 | if (result <= (UV)IV_MIN) | |
| 1518 | SETi( -(IV)result ); | |
| 1519 | else { | |
| 1520 | /* result valid, but out of range for IV. */ | |
| 1521 | SETn( -(NV)result ); | |
| 1522 | } | |
| 1523 | } | |
| 1524 | RETURN; | |
| 1525 | } /* Overflow, drop through to NVs. */ | |
| 28e5dec8 JH |
1526 | } |
| 1527 | } | |
| 1528 | #endif | |
| 7dca457a | 1529 | useleft = USE_LEFT(TOPm1s); |
| a0d0e21e | 1530 | { |
| 28e5dec8 JH |
1531 | dPOPnv; |
| 1532 | if (!useleft) { | |
| 1533 | /* left operand is undef, treat as zero - value */ | |
| 1534 | SETn(-value); | |
| 1535 | RETURN; | |
| 1536 | } | |
| 1537 | SETn( TOPn - value ); | |
| 1538 | RETURN; | |
| 79072805 | 1539 | } |
| a0d0e21e | 1540 | } |
| 79072805 | 1541 | |
| a0d0e21e LW |
1542 | PP(pp_left_shift) |
| 1543 | { | |
| 39644a26 | 1544 | dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
| a0d0e21e | 1545 | { |
| 972b05a9 | 1546 | IV shift = POPi; |
| d0ba1bd2 | 1547 | if (PL_op->op_private & HINT_INTEGER) { |
| 972b05a9 JH |
1548 | IV i = TOPi; |
| 1549 | SETi(i << shift); | |
| d0ba1bd2 JH |
1550 | } |
| 1551 | else { | |
| 972b05a9 JH |
1552 | UV u = TOPu; |
| 1553 | SETu(u << shift); | |
| d0ba1bd2 | 1554 | } |
| 55497cff | 1555 | RETURN; |
| 79072805 | 1556 | } |
| a0d0e21e | 1557 | } |
| 79072805 | 1558 | |
| a0d0e21e LW |
1559 | PP(pp_right_shift) |
| 1560 | { | |
| 39644a26 | 1561 | dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
| a0d0e21e | 1562 | { |
| 972b05a9 | 1563 | IV shift = POPi; |
| d0ba1bd2 | 1564 | if (PL_op->op_private & HINT_INTEGER) { |
| 972b05a9 JH |
1565 | IV i = TOPi; |
| 1566 | SETi(i >> shift); | |
| d0ba1bd2 JH |
1567 | } |
| 1568 | else { | |
| 972b05a9 JH |
1569 | UV u = TOPu; |
| 1570 | SETu(u >> shift); | |
| d0ba1bd2 | 1571 | } |
| a0d0e21e | 1572 | RETURN; |
| 93a17b20 | 1573 | } |
| 79072805 LW |
1574 | } |
| 1575 | ||
| a0d0e21e | 1576 | PP(pp_lt) |
| 79072805 | 1577 | { |
| 39644a26 | 1578 | dSP; tryAMAGICbinSET(lt,0); |
| 28e5dec8 JH |
1579 | #ifdef PERL_PRESERVE_IVUV |
| 1580 | SvIV_please(TOPs); | |
| 1581 | if (SvIOK(TOPs)) { | |
| 1582 | SvIV_please(TOPm1s); | |
| 1583 | if (SvIOK(TOPm1s)) { | |
| 1584 | bool auvok = SvUOK(TOPm1s); | |
| 1585 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1586 | |
| 28e5dec8 JH |
1587 | if (!auvok && !buvok) { /* ## IV < IV ## */ |
| 1588 | IV aiv = SvIVX(TOPm1s); | |
| 1589 | IV biv = SvIVX(TOPs); | |
| 1590 | ||
| 1591 | SP--; | |
| 1592 | SETs(boolSV(aiv < biv)); | |
| 1593 | RETURN; | |
| 1594 | } | |
| 1595 | if (auvok && buvok) { /* ## UV < UV ## */ | |
| 1596 | UV auv = SvUVX(TOPm1s); | |
| 1597 | UV buv = SvUVX(TOPs); | |
| 1598 | ||
| 1599 | SP--; | |
| 1600 | SETs(boolSV(auv < buv)); | |
| 1601 | RETURN; | |
| 1602 | } | |
| 1603 | if (auvok) { /* ## UV < IV ## */ | |
| 1604 | UV auv; | |
| 1605 | IV biv; | |
| 1606 | ||
| 1607 | biv = SvIVX(TOPs); | |
| 1608 | SP--; | |
| 1609 | if (biv < 0) { | |
| 1610 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
| 1611 | SETs(&PL_sv_no); | |
| 1612 | RETURN; | |
| 1613 | } | |
| 1614 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1615 | SETs(boolSV(auv < (UV)biv)); |
| 1616 | RETURN; | |
| 1617 | } | |
| 1618 | { /* ## IV < UV ## */ | |
| 1619 | IV aiv; | |
| 1620 | UV buv; | |
| 1621 | ||
| 1622 | aiv = SvIVX(TOPm1s); | |
| 1623 | if (aiv < 0) { | |
| 1624 | /* As (b) is a UV, it's >=0, so it must be < */ | |
| 1625 | SP--; | |
| 1626 | SETs(&PL_sv_yes); | |
| 1627 | RETURN; | |
| 1628 | } | |
| 1629 | buv = SvUVX(TOPs); | |
| 1630 | SP--; | |
| 28e5dec8 JH |
1631 | SETs(boolSV((UV)aiv < buv)); |
| 1632 | RETURN; | |
| 1633 | } | |
| 1634 | } | |
| 1635 | } | |
| 1636 | #endif | |
| 30de85b6 | 1637 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1638 | #ifdef PERL_PRESERVE_IVUV |
| 1639 | else | |
| 1640 | #endif | |
| 1641 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
| 1642 | SP--; | |
| 1643 | SETs(boolSV(SvRV(TOPs) < SvRV(TOPp1s))); | |
| 1644 | RETURN; | |
| 1645 | } | |
| 30de85b6 | 1646 | #endif |
| a0d0e21e LW |
1647 | { |
| 1648 | dPOPnv; | |
| 54310121 | 1649 | SETs(boolSV(TOPn < value)); |
| a0d0e21e | 1650 | RETURN; |
| 79072805 | 1651 | } |
| a0d0e21e | 1652 | } |
| 79072805 | 1653 | |
| a0d0e21e LW |
1654 | PP(pp_gt) |
| 1655 | { | |
| 39644a26 | 1656 | dSP; tryAMAGICbinSET(gt,0); |
| 28e5dec8 JH |
1657 | #ifdef PERL_PRESERVE_IVUV |
| 1658 | SvIV_please(TOPs); | |
| 1659 | if (SvIOK(TOPs)) { | |
| 1660 | SvIV_please(TOPm1s); | |
| 1661 | if (SvIOK(TOPm1s)) { | |
| 1662 | bool auvok = SvUOK(TOPm1s); | |
| 1663 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1664 | |
| 28e5dec8 JH |
1665 | if (!auvok && !buvok) { /* ## IV > IV ## */ |
| 1666 | IV aiv = SvIVX(TOPm1s); | |
| 1667 | IV biv = SvIVX(TOPs); | |
| 1668 | ||
| 1669 | SP--; | |
| 1670 | SETs(boolSV(aiv > biv)); | |
| 1671 | RETURN; | |
| 1672 | } | |
| 1673 | if (auvok && buvok) { /* ## UV > UV ## */ | |
| 1674 | UV auv = SvUVX(TOPm1s); | |
| 1675 | UV buv = SvUVX(TOPs); | |
| 1676 | ||
| 1677 | SP--; | |
| 1678 | SETs(boolSV(auv > buv)); | |
| 1679 | RETURN; | |
| 1680 | } | |
| 1681 | if (auvok) { /* ## UV > IV ## */ | |
| 1682 | UV auv; | |
| 1683 | IV biv; | |
| 1684 | ||
| 1685 | biv = SvIVX(TOPs); | |
| 1686 | SP--; | |
| 1687 | if (biv < 0) { | |
| 1688 | /* As (a) is a UV, it's >=0, so it must be > */ | |
| 1689 | SETs(&PL_sv_yes); | |
| 1690 | RETURN; | |
| 1691 | } | |
| 1692 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1693 | SETs(boolSV(auv > (UV)biv)); |
| 1694 | RETURN; | |
| 1695 | } | |
| 1696 | { /* ## IV > UV ## */ | |
| 1697 | IV aiv; | |
| 1698 | UV buv; | |
| 1699 | ||
| 1700 | aiv = SvIVX(TOPm1s); | |
| 1701 | if (aiv < 0) { | |
| 1702 | /* As (b) is a UV, it's >=0, so it cannot be > */ | |
| 1703 | SP--; | |
| 1704 | SETs(&PL_sv_no); | |
| 1705 | RETURN; | |
| 1706 | } | |
| 1707 | buv = SvUVX(TOPs); | |
| 1708 | SP--; | |
| 28e5dec8 JH |
1709 | SETs(boolSV((UV)aiv > buv)); |
| 1710 | RETURN; | |
| 1711 | } | |
| 1712 | } | |
| 1713 | } | |
| 1714 | #endif | |
| 30de85b6 | 1715 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1716 | #ifdef PERL_PRESERVE_IVUV |
| 1717 | else | |
| 1718 | #endif | |
| 1719 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
| 30de85b6 NC |
1720 | SP--; |
| 1721 | SETs(boolSV(SvRV(TOPs) > SvRV(TOPp1s))); | |
| 1722 | RETURN; | |
| 1723 | } | |
| 1724 | #endif | |
| a0d0e21e LW |
1725 | { |
| 1726 | dPOPnv; | |
| 54310121 | 1727 | SETs(boolSV(TOPn > value)); |
| a0d0e21e | 1728 | RETURN; |
| 79072805 | 1729 | } |
| a0d0e21e LW |
1730 | } |
| 1731 | ||
| 1732 | PP(pp_le) | |
| 1733 | { | |
| 39644a26 | 1734 | dSP; tryAMAGICbinSET(le,0); |
| 28e5dec8 JH |
1735 | #ifdef PERL_PRESERVE_IVUV |
| 1736 | SvIV_please(TOPs); | |
| 1737 | if (SvIOK(TOPs)) { | |
| 1738 | SvIV_please(TOPm1s); | |
| 1739 | if (SvIOK(TOPm1s)) { | |
| 1740 | bool auvok = SvUOK(TOPm1s); | |
| 1741 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1742 | |
| 28e5dec8 JH |
1743 | if (!auvok && !buvok) { /* ## IV <= IV ## */ |
| 1744 | IV aiv = SvIVX(TOPm1s); | |
| 1745 | IV biv = SvIVX(TOPs); | |
| 1746 | ||
| 1747 | SP--; | |
| 1748 | SETs(boolSV(aiv <= biv)); | |
| 1749 | RETURN; | |
| 1750 | } | |
| 1751 | if (auvok && buvok) { /* ## UV <= UV ## */ | |
| 1752 | UV auv = SvUVX(TOPm1s); | |
| 1753 | UV buv = SvUVX(TOPs); | |
| 1754 | ||
| 1755 | SP--; | |
| 1756 | SETs(boolSV(auv <= buv)); | |
| 1757 | RETURN; | |
| 1758 | } | |
| 1759 | if (auvok) { /* ## UV <= IV ## */ | |
| 1760 | UV auv; | |
| 1761 | IV biv; | |
| 1762 | ||
| 1763 | biv = SvIVX(TOPs); | |
| 1764 | SP--; | |
| 1765 | if (biv < 0) { | |
| 1766 | /* As (a) is a UV, it's >=0, so a cannot be <= */ | |
| 1767 | SETs(&PL_sv_no); | |
| 1768 | RETURN; | |
| 1769 | } | |
| 1770 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1771 | SETs(boolSV(auv <= (UV)biv)); |
| 1772 | RETURN; | |
| 1773 | } | |
| 1774 | { /* ## IV <= UV ## */ | |
| 1775 | IV aiv; | |
| 1776 | UV buv; | |
| 1777 | ||
| 1778 | aiv = SvIVX(TOPm1s); | |
| 1779 | if (aiv < 0) { | |
| 1780 | /* As (b) is a UV, it's >=0, so a must be <= */ | |
| 1781 | SP--; | |
| 1782 | SETs(&PL_sv_yes); | |
| 1783 | RETURN; | |
| 1784 | } | |
| 1785 | buv = SvUVX(TOPs); | |
| 1786 | SP--; | |
| 28e5dec8 JH |
1787 | SETs(boolSV((UV)aiv <= buv)); |
| 1788 | RETURN; | |
| 1789 | } | |
| 1790 | } | |
| 1791 | } | |
| 1792 | #endif | |
| 30de85b6 | 1793 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1794 | #ifdef PERL_PRESERVE_IVUV |
| 1795 | else | |
| 1796 | #endif | |
| 1797 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
| 30de85b6 NC |
1798 | SP--; |
| 1799 | SETs(boolSV(SvRV(TOPs) <= SvRV(TOPp1s))); | |
| 1800 | RETURN; | |
| 1801 | } | |
| 1802 | #endif | |
| a0d0e21e LW |
1803 | { |
| 1804 | dPOPnv; | |
| 54310121 | 1805 | SETs(boolSV(TOPn <= value)); |
| a0d0e21e | 1806 | RETURN; |
| 79072805 | 1807 | } |
| a0d0e21e LW |
1808 | } |
| 1809 | ||
| 1810 | PP(pp_ge) | |
| 1811 | { | |
| 39644a26 | 1812 | dSP; tryAMAGICbinSET(ge,0); |
| 28e5dec8 JH |
1813 | #ifdef PERL_PRESERVE_IVUV |
| 1814 | SvIV_please(TOPs); | |
| 1815 | if (SvIOK(TOPs)) { | |
| 1816 | SvIV_please(TOPm1s); | |
| 1817 | if (SvIOK(TOPm1s)) { | |
| 1818 | bool auvok = SvUOK(TOPm1s); | |
| 1819 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1820 | |
| 28e5dec8 JH |
1821 | if (!auvok && !buvok) { /* ## IV >= IV ## */ |
| 1822 | IV aiv = SvIVX(TOPm1s); | |
| 1823 | IV biv = SvIVX(TOPs); | |
| 1824 | ||
| 1825 | SP--; | |
| 1826 | SETs(boolSV(aiv >= biv)); | |
| 1827 | RETURN; | |
| 1828 | } | |
| 1829 | if (auvok && buvok) { /* ## UV >= UV ## */ | |
| 1830 | UV auv = SvUVX(TOPm1s); | |
| 1831 | UV buv = SvUVX(TOPs); | |
| 1832 | ||
| 1833 | SP--; | |
| 1834 | SETs(boolSV(auv >= buv)); | |
| 1835 | RETURN; | |
| 1836 | } | |
| 1837 | if (auvok) { /* ## UV >= IV ## */ | |
| 1838 | UV auv; | |
| 1839 | IV biv; | |
| 1840 | ||
| 1841 | biv = SvIVX(TOPs); | |
| 1842 | SP--; | |
| 1843 | if (biv < 0) { | |
| 1844 | /* As (a) is a UV, it's >=0, so it must be >= */ | |
| 1845 | SETs(&PL_sv_yes); | |
| 1846 | RETURN; | |
| 1847 | } | |
| 1848 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1849 | SETs(boolSV(auv >= (UV)biv)); |
| 1850 | RETURN; | |
| 1851 | } | |
| 1852 | { /* ## IV >= UV ## */ | |
| 1853 | IV aiv; | |
| 1854 | UV buv; | |
| 1855 | ||
| 1856 | aiv = SvIVX(TOPm1s); | |
| 1857 | if (aiv < 0) { | |
| 1858 | /* As (b) is a UV, it's >=0, so a cannot be >= */ | |
| 1859 | SP--; | |
| 1860 | SETs(&PL_sv_no); | |
| 1861 | RETURN; | |
| 1862 | } | |
| 1863 | buv = SvUVX(TOPs); | |
| 1864 | SP--; | |
| 28e5dec8 JH |
1865 | SETs(boolSV((UV)aiv >= buv)); |
| 1866 | RETURN; | |
| 1867 | } | |
| 1868 | } | |
| 1869 | } | |
| 1870 | #endif | |
| 30de85b6 | 1871 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1872 | #ifdef PERL_PRESERVE_IVUV |
| 1873 | else | |
| 1874 | #endif | |
| 1875 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
| 30de85b6 NC |
1876 | SP--; |
| 1877 | SETs(boolSV(SvRV(TOPs) >= SvRV(TOPp1s))); | |
| 1878 | RETURN; | |
| 1879 | } | |
| 1880 | #endif | |
| a0d0e21e LW |
1881 | { |
| 1882 | dPOPnv; | |
| 54310121 | 1883 | SETs(boolSV(TOPn >= value)); |
| a0d0e21e | 1884 | RETURN; |
| 79072805 | 1885 | } |
| a0d0e21e | 1886 | } |
| 79072805 | 1887 | |
| a0d0e21e LW |
1888 | PP(pp_ne) |
| 1889 | { | |
| 16303949 | 1890 | dSP; tryAMAGICbinSET(ne,0); |
| 3bb2c415 JH |
1891 | #ifndef NV_PRESERVES_UV |
| 1892 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
| e61d22ef NC |
1893 | SP--; |
| 1894 | SETs(boolSV(SvRV(TOPs) != SvRV(TOPp1s))); | |
| 3bb2c415 JH |
1895 | RETURN; |
| 1896 | } | |
| 1897 | #endif | |
| 28e5dec8 JH |
1898 | #ifdef PERL_PRESERVE_IVUV |
| 1899 | SvIV_please(TOPs); | |
| 1900 | if (SvIOK(TOPs)) { | |
| 1901 | SvIV_please(TOPm1s); | |
| 1902 | if (SvIOK(TOPm1s)) { | |
| 1903 | bool auvok = SvUOK(TOPm1s); | |
| 1904 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1905 | |
| 30de85b6 NC |
1906 | if (auvok == buvok) { /* ## IV == IV or UV == UV ## */ |
| 1907 | /* Casting IV to UV before comparison isn't going to matter | |
| 1908 | on 2s complement. On 1s complement or sign&magnitude | |
| 1909 | (if we have any of them) it could make negative zero | |
| 1910 | differ from normal zero. As I understand it. (Need to | |
| 1911 | check - is negative zero implementation defined behaviour | |
| 1912 | anyway?). NWC */ | |
| 1913 | UV buv = SvUVX(POPs); | |
| 1914 | UV auv = SvUVX(TOPs); | |
| 28e5dec8 | 1915 | |
| 28e5dec8 JH |
1916 | SETs(boolSV(auv != buv)); |
| 1917 | RETURN; | |
| 1918 | } | |
| 1919 | { /* ## Mixed IV,UV ## */ | |
| 1920 | IV iv; | |
| 1921 | UV uv; | |
| 1922 | ||
| 1923 | /* != is commutative so swap if needed (save code) */ | |
| 1924 | if (auvok) { | |
| 1925 | /* swap. top of stack (b) is the iv */ | |
| 1926 | iv = SvIVX(TOPs); | |
| 1927 | SP--; | |
| 1928 | if (iv < 0) { | |
| 1929 | /* As (a) is a UV, it's >0, so it cannot be == */ | |
| 1930 | SETs(&PL_sv_yes); | |
| 1931 | RETURN; | |
| 1932 | } | |
| 1933 | uv = SvUVX(TOPs); | |
| 1934 | } else { | |
| 1935 | iv = SvIVX(TOPm1s); | |
| 1936 | SP--; | |
| 1937 | if (iv < 0) { | |
| 1938 | /* As (b) is a UV, it's >0, so it cannot be == */ | |
| 1939 | SETs(&PL_sv_yes); | |
| 1940 | RETURN; | |
| 1941 | } | |
| 1942 | uv = SvUVX(*(SP+1)); /* Do I want TOPp1s() ? */ | |
| 1943 | } | |
| 28e5dec8 JH |
1944 | SETs(boolSV((UV)iv != uv)); |
| 1945 | RETURN; | |
| 1946 | } | |
| 1947 | } | |
| 1948 | } | |
| 1949 | #endif | |
| a0d0e21e LW |
1950 | { |
| 1951 | dPOPnv; | |
| 54310121 | 1952 | SETs(boolSV(TOPn != value)); |
| a0d0e21e LW |
1953 | RETURN; |
| 1954 | } | |
| 79072805 LW |
1955 | } |
| 1956 | ||
| a0d0e21e | 1957 | PP(pp_ncmp) |
| 79072805 | 1958 | { |
| 39644a26 | 1959 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
| d8c7644e JH |
1960 | #ifndef NV_PRESERVES_UV |
| 1961 | if (SvROK(TOPs) && SvROK(TOPm1s)) { | |
| e61d22ef NC |
1962 | UV right = PTR2UV(SvRV(POPs)); |
| 1963 | UV left = PTR2UV(SvRV(TOPs)); | |
| 1964 | SETi((left > right) - (left < right)); | |
| d8c7644e JH |
1965 | RETURN; |
| 1966 | } | |
| 1967 | #endif | |
| 28e5dec8 JH |
1968 | #ifdef PERL_PRESERVE_IVUV |
| 1969 | /* Fortunately it seems NaN isn't IOK */ | |
| 1970 | SvIV_please(TOPs); | |
| 1971 | if (SvIOK(TOPs)) { | |
| 1972 | SvIV_please(TOPm1s); | |
| 1973 | if (SvIOK(TOPm1s)) { | |
| 1974 | bool leftuvok = SvUOK(TOPm1s); | |
| 1975 | bool rightuvok = SvUOK(TOPs); | |
| 1976 | I32 value; | |
| 1977 | if (!leftuvok && !rightuvok) { /* ## IV <=> IV ## */ | |
| 1978 | IV leftiv = SvIVX(TOPm1s); | |
| 1979 | IV rightiv = SvIVX(TOPs); | |
| 1980 | ||
| 1981 | if (leftiv > rightiv) | |
| 1982 | value = 1; | |
| 1983 | else if (leftiv < rightiv) | |
| 1984 | value = -1; | |
| 1985 | else | |
| 1986 | value = 0; | |
| 1987 | } else if (leftuvok && rightuvok) { /* ## UV <=> UV ## */ | |
| 1988 | UV leftuv = SvUVX(TOPm1s); | |
| 1989 | UV rightuv = SvUVX(TOPs); | |
| 1990 | ||
| 1991 | if (leftuv > rightuv) | |
| 1992 | value = 1; | |
| 1993 | else if (leftuv < rightuv) | |
| 1994 | value = -1; | |
| 1995 | else | |
| 1996 | value = 0; | |
| 1997 | } else if (leftuvok) { /* ## UV <=> IV ## */ | |
| 1998 | UV leftuv; | |
| 1999 | IV rightiv; | |
| 2000 | ||
| 2001 | rightiv = SvIVX(TOPs); | |
| 2002 | if (rightiv < 0) { | |
| 2003 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
| 2004 | value = 1; | |
| 2005 | } else { | |
| 2006 | leftuv = SvUVX(TOPm1s); | |
| 83bac5dd | 2007 | if (leftuv > (UV)rightiv) { |
| 28e5dec8 JH |
2008 | value = 1; |
| 2009 | } else if (leftuv < (UV)rightiv) { | |
| 2010 | value = -1; | |
| 2011 | } else { | |
| 2012 | value = 0; | |
| 2013 | } | |
| 2014 | } | |
| 2015 | } else { /* ## IV <=> UV ## */ | |
| 2016 | IV leftiv; | |
| 2017 | UV rightuv; | |
| 2018 | ||
| 2019 | leftiv = SvIVX(TOPm1s); | |
| 2020 | if (leftiv < 0) { | |
| 2021 | /* As (b) is a UV, it's >=0, so it must be < */ | |
| 2022 | value = -1; | |
| 2023 | } else { | |
| 2024 | rightuv = SvUVX(TOPs); | |
| 83bac5dd | 2025 | if ((UV)leftiv > rightuv) { |
| 28e5dec8 | 2026 | value = 1; |
| 83bac5dd | 2027 | } else if ((UV)leftiv < rightuv) { |
| 28e5dec8 JH |
2028 | value = -1; |
| 2029 | } else { | |
| 2030 | value = 0; | |
| 2031 | } | |
| 2032 | } | |
| 2033 | } | |
| 2034 | SP--; | |
| 2035 | SETi(value); | |
| 2036 | RETURN; | |
| 2037 | } | |
| 2038 | } | |
| 2039 | #endif | |
| a0d0e21e LW |
2040 | { |
| 2041 | dPOPTOPnnrl; | |
| 2042 | I32 value; | |
| 79072805 | 2043 | |
| a3540c92 | 2044 | #ifdef Perl_isnan |
| 1ad04cfd JH |
2045 | if (Perl_isnan(left) || Perl_isnan(right)) { |
| 2046 | SETs(&PL_sv_undef); | |
| 2047 | RETURN; | |
| 2048 | } | |
| 2049 | value = (left > right) - (left < right); | |
| 2050 | #else | |
| ff0cee69 | 2051 | if (left == right) |
| a0d0e21e | 2052 | value = 0; |
| a0d0e21e LW |
2053 | else if (left < right) |
| 2054 | value = -1; | |
| 44a8e56a | 2055 | else if (left > right) |
| 2056 | value = 1; | |
| 2057 | else { | |
| 3280af22 | 2058 | SETs(&PL_sv_undef); |
| 44a8e56a | 2059 | RETURN; |
| 2060 | } | |
| 1ad04cfd | 2061 | #endif |
| a0d0e21e LW |
2062 | SETi(value); |
| 2063 | RETURN; | |
| 79072805 | 2064 | } |
| a0d0e21e | 2065 | } |
| 79072805 | 2066 | |
| a0d0e21e LW |
2067 | PP(pp_slt) |
| 2068 | { | |
| 39644a26 | 2069 | dSP; tryAMAGICbinSET(slt,0); |
| a0d0e21e LW |
2070 | { |
| 2071 | dPOPTOPssrl; | |
| 2de3dbcc | 2072 | int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2073 | ? sv_cmp_locale(left, right) |
| 2074 | : sv_cmp(left, right)); | |
| 54310121 | 2075 | SETs(boolSV(cmp < 0)); |
| a0d0e21e LW |
2076 | RETURN; |
| 2077 | } | |
| 79072805 LW |
2078 | } |
| 2079 | ||
| a0d0e21e | 2080 | PP(pp_sgt) |
| 79072805 | 2081 | { |
| 39644a26 | 2082 | dSP; tryAMAGICbinSET(sgt,0); |
| a0d0e21e LW |
2083 | { |
| 2084 | dPOPTOPssrl; | |
| 2de3dbcc | 2085 | int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2086 | ? sv_cmp_locale(left, right) |
| 2087 | : sv_cmp(left, right)); | |
| 54310121 | 2088 | SETs(boolSV(cmp > 0)); |
| a0d0e21e LW |
2089 | RETURN; |
| 2090 | } | |
| 2091 | } | |
| 79072805 | 2092 | |
| a0d0e21e LW |
2093 | PP(pp_sle) |
| 2094 | { | |
| 39644a26 | 2095 | dSP; tryAMAGICbinSET(sle,0); |
| a0d0e21e LW |
2096 | { |
| 2097 | dPOPTOPssrl; | |
| 2de3dbcc | 2098 | int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2099 | ? sv_cmp_locale(left, right) |
| 2100 | : sv_cmp(left, right)); | |
| 54310121 | 2101 | SETs(boolSV(cmp <= 0)); |
| a0d0e21e | 2102 | RETURN; |
| 79072805 | 2103 | } |
| 79072805 LW |
2104 | } |
| 2105 | ||
| a0d0e21e LW |
2106 | PP(pp_sge) |
| 2107 | { | |
| 39644a26 | 2108 | dSP; tryAMAGICbinSET(sge,0); |
| a0d0e21e LW |
2109 | { |
| 2110 | dPOPTOPssrl; | |
| 2de3dbcc | 2111 | int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2112 | ? sv_cmp_locale(left, right) |
| 2113 | : sv_cmp(left, right)); | |
| 54310121 | 2114 | SETs(boolSV(cmp >= 0)); |
| a0d0e21e LW |
2115 | RETURN; |
| 2116 | } | |
| 2117 | } | |
| 79072805 | 2118 | |
| 36477c24 | 2119 | PP(pp_seq) |
| 2120 | { | |
| 39644a26 | 2121 | dSP; tryAMAGICbinSET(seq,0); |
| 36477c24 | 2122 | { |
| 2123 | dPOPTOPssrl; | |
| 54310121 | 2124 | SETs(boolSV(sv_eq(left, right))); |
| a0d0e21e LW |
2125 | RETURN; |
| 2126 | } | |
| 2127 | } | |
| 79072805 | 2128 | |
| a0d0e21e | 2129 | PP(pp_sne) |
| 79072805 | 2130 | { |
| 39644a26 | 2131 | dSP; tryAMAGICbinSET(sne,0); |
| a0d0e21e LW |
2132 | { |
| 2133 | dPOPTOPssrl; | |
| 54310121 | 2134 | SETs(boolSV(!sv_eq(left, right))); |
| a0d0e21e | 2135 | RETURN; |
| 463ee0b2 | 2136 | } |
| 79072805 LW |
2137 | } |
| 2138 | ||
| a0d0e21e | 2139 | PP(pp_scmp) |
| 79072805 | 2140 | { |
| 39644a26 | 2141 | dSP; dTARGET; tryAMAGICbin(scmp,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)); | |
| 2147 | SETi( cmp ); | |
| a0d0e21e LW |
2148 | RETURN; |
| 2149 | } | |
| 2150 | } | |
| 79072805 | 2151 | |
| 55497cff | 2152 | PP(pp_bit_and) |
| 2153 | { | |
| 39644a26 | 2154 | dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
| a0d0e21e LW |
2155 | { |
| 2156 | dPOPTOPssrl; | |
| 4633a7c4 | 2157 | if (SvNIOKp(left) || SvNIOKp(right)) { |
| d0ba1bd2 | 2158 | if (PL_op->op_private & HINT_INTEGER) { |
| 972b05a9 JH |
2159 | IV i = SvIV(left) & SvIV(right); |
| 2160 | SETi(i); | |
| d0ba1bd2 JH |
2161 | } |
| 2162 | else { | |
| 972b05a9 JH |
2163 | UV u = SvUV(left) & SvUV(right); |
| 2164 | SETu(u); | |
| d0ba1bd2 | 2165 | } |
| a0d0e21e LW |
2166 | } |
| 2167 | else { | |
| 533c011a | 2168 | do_vop(PL_op->op_type, TARG, left, right); |
| a0d0e21e LW |
2169 | SETTARG; |
| 2170 | } | |
| 2171 | RETURN; | |
| 2172 | } | |
| 2173 | } | |
| 79072805 | 2174 | |
| a0d0e21e LW |
2175 | PP(pp_bit_xor) |
| 2176 | { | |
| 39644a26 | 2177 | dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
| a0d0e21e LW |
2178 | { |
| 2179 | dPOPTOPssrl; | |
| 4633a7c4 | 2180 | if (SvNIOKp(left) || SvNIOKp(right)) { |
| d0ba1bd2 | 2181 | if (PL_op->op_private & HINT_INTEGER) { |
| 972b05a9 JH |
2182 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
| 2183 | SETi(i); | |
| d0ba1bd2 JH |
2184 | } |
| 2185 | else { | |
| 972b05a9 JH |
2186 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
| 2187 | SETu(u); | |
| d0ba1bd2 | 2188 | } |
| a0d0e21e LW |
2189 | } |
| 2190 | else { | |
| 533c011a | 2191 | do_vop(PL_op->op_type, TARG, left, right); |
| a0d0e21e LW |
2192 | SETTARG; |
| 2193 | } | |
| 2194 | RETURN; | |
| 2195 | } | |
| 2196 | } | |
| 79072805 | 2197 | |
| a0d0e21e LW |
2198 | PP(pp_bit_or) |
| 2199 | { | |
| 39644a26 | 2200 | dSP; dATARGET; tryAMAGICbin(bor,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 = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
| 2206 | SETi(i); | |
| d0ba1bd2 JH |
2207 | } |
| 2208 | else { | |
| 972b05a9 JH |
2209 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) | 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; | |
| 79072805 | 2218 | } |
| a0d0e21e | 2219 | } |
| 79072805 | 2220 | |
| a0d0e21e LW |
2221 | PP(pp_negate) |
| 2222 | { | |
| 39644a26 | 2223 | dSP; dTARGET; tryAMAGICun(neg); |
| a0d0e21e LW |
2224 | { |
| 2225 | dTOPss; | |
| 28e5dec8 | 2226 | int flags = SvFLAGS(sv); |
| 4633a7c4 LW |
2227 | if (SvGMAGICAL(sv)) |
| 2228 | mg_get(sv); | |
| 28e5dec8 JH |
2229 | if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) { |
| 2230 | /* It's publicly an integer, or privately an integer-not-float */ | |
| 2231 | oops_its_an_int: | |
| 9b0e499b GS |
2232 | if (SvIsUV(sv)) { |
| 2233 | if (SvIVX(sv) == IV_MIN) { | |
| 28e5dec8 | 2234 | /* 2s complement assumption. */ |
| 9b0e499b GS |
2235 | SETi(SvIVX(sv)); /* special case: -((UV)IV_MAX+1) == IV_MIN */ |
| 2236 | RETURN; | |
| 2237 | } | |
| 2238 | else if (SvUVX(sv) <= IV_MAX) { | |
| beccb14c | 2239 | SETi(-SvIVX(sv)); |
| 9b0e499b GS |
2240 | RETURN; |
| 2241 | } | |
| 2242 | } | |
| 2243 | else if (SvIVX(sv) != IV_MIN) { | |
| 2244 | SETi(-SvIVX(sv)); | |
| 2245 | RETURN; | |
| 2246 | } | |
| 28e5dec8 JH |
2247 | #ifdef PERL_PRESERVE_IVUV |
| 2248 | else { | |
| 2249 | SETu((UV)IV_MIN); | |
| 2250 | RETURN; | |
| 2251 | } | |
| 2252 | #endif | |
| 9b0e499b GS |
2253 | } |
| 2254 | if (SvNIOKp(sv)) | |
| a0d0e21e | 2255 | SETn(-SvNV(sv)); |
| 4633a7c4 | 2256 | else if (SvPOKp(sv)) { |
| a0d0e21e LW |
2257 | STRLEN len; |
| 2258 | char *s = SvPV(sv, len); | |
| bbce6d69 | 2259 | if (isIDFIRST(*s)) { |
| a0d0e21e LW |
2260 | sv_setpvn(TARG, "-", 1); |
| 2261 | sv_catsv(TARG, sv); | |
| 79072805 | 2262 | } |
| a0d0e21e LW |
2263 | else if (*s == '+' || *s == '-') { |
| 2264 | sv_setsv(TARG, sv); | |
| 2265 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
| 79072805 | 2266 | } |
| 8eb28a70 JH |
2267 | else if (DO_UTF8(sv)) { |
| 2268 | SvIV_please(sv); | |
| 2269 | if (SvIOK(sv)) | |
| 2270 | goto oops_its_an_int; | |
| 2271 | if (SvNOK(sv)) | |
| 2272 | sv_setnv(TARG, -SvNV(sv)); | |
| 2273 | else { | |
| 2274 | sv_setpvn(TARG, "-", 1); | |
| 2275 | sv_catsv(TARG, sv); | |
| 2276 | } | |
| 834a4ddd | 2277 | } |
| 28e5dec8 | 2278 | else { |
| 8eb28a70 JH |
2279 | SvIV_please(sv); |
| 2280 | if (SvIOK(sv)) | |
| 2281 | goto oops_its_an_int; | |
| 2282 | sv_setnv(TARG, -SvNV(sv)); | |
| 28e5dec8 | 2283 | } |
| a0d0e21e | 2284 | SETTARG; |
| 79072805 | 2285 | } |
| 4633a7c4 LW |
2286 | else |
| 2287 | SETn(-SvNV(sv)); | |
| 79072805 | 2288 | } |
| a0d0e21e | 2289 | RETURN; |
| 79072805 LW |
2290 | } |
| 2291 | ||
| a0d0e21e | 2292 | PP(pp_not) |
| 79072805 | 2293 | { |
| 39644a26 | 2294 | dSP; tryAMAGICunSET(not); |
| 3280af22 | 2295 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
| a0d0e21e | 2296 | return NORMAL; |
| 79072805 LW |
2297 | } |
| 2298 | ||
| a0d0e21e | 2299 | PP(pp_complement) |
| 79072805 | 2300 | { |
| 39644a26 | 2301 | dSP; dTARGET; tryAMAGICun(compl); |
| a0d0e21e LW |
2302 | { |
| 2303 | dTOPss; | |
| 4633a7c4 | 2304 | if (SvNIOKp(sv)) { |
| d0ba1bd2 | 2305 | if (PL_op->op_private & HINT_INTEGER) { |
| 972b05a9 JH |
2306 | IV i = ~SvIV(sv); |
| 2307 | SETi(i); | |
| d0ba1bd2 JH |
2308 | } |
| 2309 | else { | |
| 972b05a9 JH |
2310 | UV u = ~SvUV(sv); |
| 2311 | SETu(u); | |
| d0ba1bd2 | 2312 | } |
| a0d0e21e LW |
2313 | } |
| 2314 | else { | |
| 51723571 | 2315 | register U8 *tmps; |
| 55497cff | 2316 | register I32 anum; |
| a0d0e21e LW |
2317 | STRLEN len; |
| 2318 | ||
| 2319 | SvSetSV(TARG, sv); | |
| 51723571 | 2320 | tmps = (U8*)SvPV_force(TARG, len); |
| a0d0e21e | 2321 | anum = len; |
| 1d68d6cd | 2322 | if (SvUTF8(TARG)) { |
| a1ca4561 | 2323 | /* Calculate exact length, let's not estimate. */ |
| 1d68d6cd SC |
2324 | STRLEN targlen = 0; |
| 2325 | U8 *result; | |
| 51723571 | 2326 | U8 *send; |
| ba210ebe | 2327 | STRLEN l; |
| a1ca4561 YST |
2328 | UV nchar = 0; |
| 2329 | UV nwide = 0; | |
| 1d68d6cd SC |
2330 | |
| 2331 | send = tmps + len; | |
| 2332 | while (tmps < send) { | |
| 9041c2e3 | 2333 | UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
| 1d68d6cd | 2334 | tmps += UTF8SKIP(tmps); |
| 5bbb0b5a | 2335 | targlen += UNISKIP(~c); |
| a1ca4561 YST |
2336 | nchar++; |
| 2337 | if (c > 0xff) | |
| 2338 | nwide++; | |
| 1d68d6cd SC |
2339 | } |
| 2340 | ||
| 2341 | /* Now rewind strings and write them. */ | |
| 2342 | tmps -= len; | |
| a1ca4561 YST |
2343 | |
| 2344 | if (nwide) { | |
| 2345 | Newz(0, result, targlen + 1, U8); | |
| 2346 | while (tmps < send) { | |
| 9041c2e3 | 2347 | UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
| a1ca4561 | 2348 | tmps += UTF8SKIP(tmps); |
| b851fbc1 | 2349 | result = uvchr_to_utf8_flags(result, ~c, UNICODE_ALLOW_ANY); |
| a1ca4561 YST |
2350 | } |
| 2351 | *result = '\0'; | |
| 2352 | result -= targlen; | |
| 2353 | sv_setpvn(TARG, (char*)result, targlen); | |
| 2354 | SvUTF8_on(TARG); | |
| 2355 | } | |
| 2356 | else { | |
| 2357 | Newz(0, result, nchar + 1, U8); | |
| 2358 | while (tmps < send) { | |
| 9041c2e3 | 2359 | U8 c = (U8)utf8n_to_uvchr(tmps, 0, &l, UTF8_ALLOW_ANY); |
| a1ca4561 YST |
2360 | tmps += UTF8SKIP(tmps); |
| 2361 | *result++ = ~c; | |
| 2362 | } | |
| 2363 | *result = '\0'; | |
| 2364 | result -= nchar; | |
| 2365 | sv_setpvn(TARG, (char*)result, nchar); | |
| 1d68d6cd | 2366 | } |
| 1d68d6cd SC |
2367 | Safefree(result); |
| 2368 | SETs(TARG); | |
| 2369 | RETURN; | |
| 2370 | } | |
| a0d0e21e | 2371 | #ifdef LIBERAL |
| 51723571 JH |
2372 | { |
| 2373 | register long *tmpl; | |
| 2374 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
| 2375 | *tmps = ~*tmps; | |
| 2376 | tmpl = (long*)tmps; | |
| 2377 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
| 2378 | *tmpl = ~*tmpl; | |
| 2379 | tmps = (U8*)tmpl; | |
| 2380 | } | |
| a0d0e21e LW |
2381 | #endif |
| 2382 | for ( ; anum > 0; anum--, tmps++) | |
| 2383 | *tmps = ~*tmps; | |
| 2384 | ||
| 2385 | SETs(TARG); | |
| 2386 | } | |
| 2387 | RETURN; | |
| 2388 | } | |
| 79072805 LW |
2389 | } |
| 2390 | ||
| a0d0e21e LW |
2391 | /* integer versions of some of the above */ |
| 2392 | ||
| a0d0e21e | 2393 | PP(pp_i_multiply) |
| 79072805 | 2394 | { |
| 39644a26 | 2395 | dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
| a0d0e21e LW |
2396 | { |
| 2397 | dPOPTOPiirl; | |
| 2398 | SETi( left * right ); | |
| 2399 | RETURN; | |
| 2400 | } | |
| 79072805 LW |
2401 | } |
| 2402 | ||
| a0d0e21e | 2403 | PP(pp_i_divide) |
| 79072805 | 2404 | { |
| 39644a26 | 2405 | dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
| a0d0e21e LW |
2406 | { |
| 2407 | dPOPiv; | |
| 2408 | if (value == 0) | |
| cea2e8a9 | 2409 | DIE(aTHX_ "Illegal division by zero"); |
| a0d0e21e LW |
2410 | value = POPi / value; |
| 2411 | PUSHi( value ); | |
| 2412 | RETURN; | |
| 2413 | } | |
| 79072805 LW |
2414 | } |
| 2415 | ||
| a0d0e21e | 2416 | PP(pp_i_modulo) |
| 79072805 | 2417 | { |
| 39644a26 | 2418 | dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
| 79072805 | 2419 | { |
| a0d0e21e | 2420 | dPOPTOPiirl; |
| aa306039 | 2421 | if (!right) |
| cea2e8a9 | 2422 | DIE(aTHX_ "Illegal modulus zero"); |
| a0d0e21e LW |
2423 | SETi( left % right ); |
| 2424 | RETURN; | |
| 79072805 | 2425 | } |
| 79072805 LW |
2426 | } |
| 2427 | ||
| a0d0e21e | 2428 | PP(pp_i_add) |
| 79072805 | 2429 | { |
| 39644a26 | 2430 | dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
| a0d0e21e | 2431 | { |
| 5e66d4f1 | 2432 | dPOPTOPiirl_ul; |
| a0d0e21e LW |
2433 | SETi( left + right ); |
| 2434 | RETURN; | |
| 79072805 | 2435 | } |
| 79072805 LW |
2436 | } |
| 2437 | ||
| a0d0e21e | 2438 | PP(pp_i_subtract) |
| 79072805 | 2439 | { |
| 39644a26 | 2440 | dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
| a0d0e21e | 2441 | { |
| 5e66d4f1 | 2442 | dPOPTOPiirl_ul; |
| a0d0e21e LW |
2443 | SETi( left - right ); |
| 2444 | RETURN; | |
| 79072805 | 2445 | } |
| 79072805 LW |
2446 | } |
| 2447 | ||
| a0d0e21e | 2448 | PP(pp_i_lt) |
| 79072805 | 2449 | { |
| 39644a26 | 2450 | dSP; tryAMAGICbinSET(lt,0); |
| a0d0e21e LW |
2451 | { |
| 2452 | dPOPTOPiirl; | |
| 54310121 | 2453 | SETs(boolSV(left < right)); |
| a0d0e21e LW |
2454 | RETURN; |
| 2455 | } | |
| 79072805 LW |
2456 | } |
| 2457 | ||
| a0d0e21e | 2458 | PP(pp_i_gt) |
| 79072805 | 2459 | { |
| 39644a26 | 2460 | dSP; tryAMAGICbinSET(gt,0); |
| a0d0e21e LW |
2461 | { |
| 2462 | dPOPTOPiirl; | |
| 54310121 | 2463 | SETs(boolSV(left > right)); |
| a0d0e21e LW |
2464 | RETURN; |
| 2465 | } | |
| 79072805 LW |
2466 | } |
| 2467 | ||
| a0d0e21e | 2468 | PP(pp_i_le) |
| 79072805 | 2469 | { |
| 39644a26 | 2470 | dSP; tryAMAGICbinSET(le,0); |
| a0d0e21e LW |
2471 | { |
| 2472 | dPOPTOPiirl; | |
| 54310121 | 2473 | SETs(boolSV(left <= right)); |
| a0d0e21e | 2474 | RETURN; |
| 85e6fe83 | 2475 | } |
| 79072805 LW |
2476 | } |
| 2477 | ||
| a0d0e21e | 2478 | PP(pp_i_ge) |
| 79072805 | 2479 | { |
| 39644a26 | 2480 | dSP; tryAMAGICbinSET(ge,0); |
| a0d0e21e LW |
2481 | { |
| 2482 | dPOPTOPiirl; | |
| 54310121 | 2483 | SETs(boolSV(left >= right)); |
| a0d0e21e LW |
2484 | RETURN; |
| 2485 | } | |
| 79072805 LW |
2486 | } |
| 2487 | ||
| a0d0e21e | 2488 | PP(pp_i_eq) |
| 79072805 | 2489 | { |
| 39644a26 | 2490 | dSP; tryAMAGICbinSET(eq,0); |
| a0d0e21e LW |
2491 | { |
| 2492 | dPOPTOPiirl; | |
| 54310121 | 2493 | SETs(boolSV(left == right)); |
| a0d0e21e LW |
2494 | RETURN; |
| 2495 | } | |
| 79072805 LW |
2496 | } |
| 2497 | ||
| a0d0e21e | 2498 | PP(pp_i_ne) |
| 79072805 | 2499 | { |
| 39644a26 | 2500 | dSP; tryAMAGICbinSET(ne,0); |
| a0d0e21e LW |
2501 | { |
| 2502 | dPOPTOPiirl; | |
| 54310121 | 2503 | SETs(boolSV(left != right)); |
| a0d0e21e LW |
2504 | RETURN; |
| 2505 | } | |
| 79072805 LW |
2506 | } |
| 2507 | ||
| a0d0e21e | 2508 | PP(pp_i_ncmp) |
| 79072805 | 2509 | { |
| 39644a26 | 2510 | dSP; dTARGET; tryAMAGICbin(ncmp,0); |
| a0d0e21e LW |
2511 | { |
| 2512 | dPOPTOPiirl; | |
| 2513 | I32 value; | |
| 79072805 | 2514 | |
| a0d0e21e | 2515 | if (left > right) |
| 79072805 | 2516 | value = 1; |
| a0d0e21e | 2517 | else if (left < right) |
| 79072805 | 2518 | value = -1; |
| a0d0e21e | 2519 | else |
| 79072805 | 2520 | value = 0; |
| a0d0e21e LW |
2521 | SETi(value); |
| 2522 | RETURN; | |
| 79072805 | 2523 | } |
| 85e6fe83 LW |
2524 | } |
| 2525 | ||
| 2526 | PP(pp_i_negate) | |
| 2527 | { | |
| 39644a26 | 2528 | dSP; dTARGET; tryAMAGICun(neg); |
| 85e6fe83 LW |
2529 | SETi(-TOPi); |
| 2530 | RETURN; | |
| 2531 | } | |
| 2532 | ||
| 79072805 LW |
2533 | /* High falutin' math. */ |
| 2534 | ||
| 2535 | PP(pp_atan2) | |
| 2536 | { | |
| 39644a26 | 2537 | dSP; dTARGET; tryAMAGICbin(atan2,0); |
| a0d0e21e LW |
2538 | { |
| 2539 | dPOPTOPnnrl; | |
| 65202027 | 2540 | SETn(Perl_atan2(left, right)); |
| a0d0e21e LW |
2541 | RETURN; |
| 2542 | } | |
| 79072805 LW |
2543 | } |
| 2544 | ||
| 2545 | PP(pp_sin) | |
| 2546 | { | |
| 39644a26 | 2547 | dSP; dTARGET; tryAMAGICun(sin); |
| a0d0e21e | 2548 | { |
| 65202027 | 2549 | NV value; |
| a0d0e21e | 2550 | value = POPn; |
| 65202027 | 2551 | value = Perl_sin(value); |
| a0d0e21e LW |
2552 | XPUSHn(value); |
| 2553 | RETURN; | |
| 2554 | } | |
| 79072805 LW |
2555 | } |
| 2556 | ||
| 2557 | PP(pp_cos) | |
| 2558 | { | |
| 39644a26 | 2559 | dSP; dTARGET; tryAMAGICun(cos); |
| a0d0e21e | 2560 | { |
| 65202027 | 2561 | NV value; |
| a0d0e21e | 2562 | value = POPn; |
| 65202027 | 2563 | value = Perl_cos(value); |
| a0d0e21e LW |
2564 | XPUSHn(value); |
| 2565 | RETURN; | |
| 2566 | } | |
| 79072805 LW |
2567 | } |
| 2568 | ||
| 56cb0a1c AD |
2569 | /* Support Configure command-line overrides for rand() functions. |
| 2570 | After 5.005, perhaps we should replace this by Configure support | |
| 2571 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
| 2572 | compatibility by calling rand() but allow the user to override it. | |
| 2573 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
| 2574 | */ | |
| 85ab1d1d JH |
2575 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
| 2576 | in addition to rand(). So the overrides should not be needed any more. | |
| 2577 | --Jarkko Hietaniemi 27 September 1998 | |
| 2578 | */ | |
| 2579 | ||
| 2580 | #ifndef HAS_DRAND48_PROTO | |
| 20ce7b12 | 2581 | extern double drand48 (void); |
| 56cb0a1c AD |
2582 | #endif |
| 2583 | ||
| 79072805 LW |
2584 | PP(pp_rand) |
| 2585 | { | |
| 39644a26 | 2586 | dSP; dTARGET; |
| 65202027 | 2587 | NV value; |
| 79072805 LW |
2588 | if (MAXARG < 1) |
| 2589 | value = 1.0; | |
| 2590 | else | |
| 2591 | value = POPn; | |
| 2592 | if (value == 0.0) | |
| 2593 | value = 1.0; | |
| 80252599 | 2594 | if (!PL_srand_called) { |
| 85ab1d1d | 2595 | (void)seedDrand01((Rand_seed_t)seed()); |
| 80252599 | 2596 | PL_srand_called = TRUE; |
| 93dc8474 | 2597 | } |
| 85ab1d1d | 2598 | value *= Drand01(); |
| 79072805 LW |
2599 | XPUSHn(value); |
| 2600 | RETURN; | |
| 2601 | } | |
| 2602 | ||
| 2603 | PP(pp_srand) | |
| 2604 | { | |
| 39644a26 | 2605 | dSP; |
| 93dc8474 CS |
2606 | UV anum; |
| 2607 | if (MAXARG < 1) | |
| 2608 | anum = seed(); | |
| 79072805 | 2609 | else |
| 93dc8474 | 2610 | anum = POPu; |
| 85ab1d1d | 2611 | (void)seedDrand01((Rand_seed_t)anum); |
| 80252599 | 2612 | PL_srand_called = TRUE; |
| 79072805 LW |
2613 | EXTEND(SP, 1); |
| 2614 | RETPUSHYES; | |
| 2615 | } | |
| 2616 | ||
| 76e3520e | 2617 | STATIC U32 |
| cea2e8a9 | 2618 | S_seed(pTHX) |
| 93dc8474 | 2619 | { |
| 54310121 | 2620 | /* |
| 2621 | * This is really just a quick hack which grabs various garbage | |
| 2622 | * values. It really should be a real hash algorithm which | |
| 2623 | * spreads the effect of every input bit onto every output bit, | |
| 85ab1d1d | 2624 | * if someone who knows about such things would bother to write it. |
| 54310121 | 2625 | * Might be a good idea to add that function to CORE as well. |
| 85ab1d1d | 2626 | * No numbers below come from careful analysis or anything here, |
| 54310121 | 2627 | * except they are primes and SEED_C1 > 1E6 to get a full-width |
| 2628 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
| 2629 | * probably be bigger too. | |
| 2630 | */ | |
| 2631 | #if RANDBITS > 16 | |
| 2632 | # define SEED_C1 1000003 | |
| 2633 | #define SEED_C4 73819 | |
| 2634 | #else | |
| 2635 | # define SEED_C1 25747 | |
| 2636 | #define SEED_C4 20639 | |
| 2637 | #endif | |
| 2638 | #define SEED_C2 3 | |
| 2639 | #define SEED_C3 269 | |
| 2640 | #define SEED_C5 26107 | |
| 2641 | ||
| 73c60299 RS |
2642 | #ifndef PERL_NO_DEV_RANDOM |
| 2643 | int fd; | |
| 2644 | #endif | |
| 93dc8474 | 2645 | U32 u; |
| f12c7020 | 2646 | #ifdef VMS |
| 2647 | # include <starlet.h> | |
| 43c92808 HF |
2648 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
| 2649 | * in 100-ns units, typically incremented ever 10 ms. */ | |
| 93dc8474 | 2650 | unsigned int when[2]; |
| 73c60299 RS |
2651 | #else |
| 2652 | # ifdef HAS_GETTIMEOFDAY | |
| 2653 | struct timeval when; | |
| 2654 | # else | |
| 2655 | Time_t when; | |
| 2656 | # endif | |
| 2657 | #endif | |
| 2658 | ||
| 2659 | /* This test is an escape hatch, this symbol isn't set by Configure. */ | |
| 2660 | #ifndef PERL_NO_DEV_RANDOM | |
| 2661 | #ifndef PERL_RANDOM_DEVICE | |
| 2662 | /* /dev/random isn't used by default because reads from it will block | |
| 2663 | * if there isn't enough entropy available. You can compile with | |
| 2664 | * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there | |
| 2665 | * is enough real entropy to fill the seed. */ | |
| 2666 | # define PERL_RANDOM_DEVICE "/dev/urandom" | |
| 2667 | #endif | |
| 2668 | fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0); | |
| 2669 | if (fd != -1) { | |
| 2670 | if (PerlLIO_read(fd, &u, sizeof u) != sizeof u) | |
| 2671 | u = 0; | |
| 2672 | PerlLIO_close(fd); | |
| 2673 | if (u) | |
| 2674 | return u; | |
| 2675 | } | |
| 2676 | #endif | |
| 2677 | ||
| 2678 | #ifdef VMS | |
| 93dc8474 | 2679 | _ckvmssts(sys$gettim(when)); |
| 54310121 | 2680 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
| f12c7020 | 2681 | #else |
| 5f05dabc | 2682 | # ifdef HAS_GETTIMEOFDAY |
| 57ab3dfe | 2683 | PerlProc_gettimeofday(&when,NULL); |
| 54310121 | 2684 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
| f12c7020 | 2685 | # else |
| 93dc8474 | 2686 | (void)time(&when); |
| 54310121 | 2687 | u = (U32)SEED_C1 * when; |
| f12c7020 | 2688 | # endif |
| 2689 | #endif | |
| 7766f137 | 2690 | u += SEED_C3 * (U32)PerlProc_getpid(); |
| 56431972 | 2691 | u += SEED_C4 * (U32)PTR2UV(PL_stack_sp); |
| 54310121 | 2692 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
| 56431972 | 2693 | u += SEED_C5 * (U32)PTR2UV(&when); |
| f12c7020 | 2694 | #endif |
| 93dc8474 | 2695 | return u; |
| 79072805 LW |
2696 | } |
| 2697 | ||
| 2698 | PP(pp_exp) | |
| 2699 | { | |
| 39644a26 | 2700 | dSP; dTARGET; tryAMAGICun(exp); |
| a0d0e21e | 2701 | { |
| 65202027 | 2702 | NV value; |
| a0d0e21e | 2703 | value = POPn; |
| 65202027 | 2704 | value = Perl_exp(value); |
| a0d0e21e LW |
2705 | XPUSHn(value); |
| 2706 | RETURN; | |
| 2707 | } | |
| 79072805 LW |
2708 | } |
| 2709 | ||
| 2710 | PP(pp_log) | |
| 2711 | { | |
| 39644a26 | 2712 | dSP; dTARGET; tryAMAGICun(log); |
| a0d0e21e | 2713 | { |
| 65202027 | 2714 | NV value; |
| a0d0e21e | 2715 | value = POPn; |
| bbce6d69 | 2716 | if (value <= 0.0) { |
| f93f4e46 | 2717 | SET_NUMERIC_STANDARD(); |
| 1779d84d | 2718 | DIE(aTHX_ "Can't take log of %"NVgf, value); |
| bbce6d69 | 2719 | } |
| 65202027 | 2720 | value = Perl_log(value); |
| a0d0e21e LW |
2721 | XPUSHn(value); |
| 2722 | RETURN; | |
| 2723 | } | |
| 79072805 LW |
2724 | } |
| 2725 | ||
| 2726 | PP(pp_sqrt) | |
| 2727 | { | |
| 39644a26 | 2728 | dSP; dTARGET; tryAMAGICun(sqrt); |
| a0d0e21e | 2729 | { |
| 65202027 | 2730 | NV value; |
| a0d0e21e | 2731 | value = POPn; |
| bbce6d69 | 2732 | if (value < 0.0) { |
| f93f4e46 | 2733 | SET_NUMERIC_STANDARD(); |
| 1779d84d | 2734 | DIE(aTHX_ "Can't take sqrt of %"NVgf, value); |
| bbce6d69 | 2735 | } |
| 65202027 | 2736 | value = Perl_sqrt(value); |
| a0d0e21e LW |
2737 | XPUSHn(value); |
| 2738 | RETURN; | |
| 2739 | } | |
| 79072805 LW |
2740 | } |
| 2741 | ||
| 24da999b JH |
2742 | /* |
| 2743 | * There are strange code-generation bugs caused on sparc64 by gcc-2.95.2. | |
| 2744 | * These need to be revisited when a newer toolchain becomes available. | |
| 2745 | */ | |
| 2746 | #if defined(__sparc64__) && defined(__GNUC__) | |
| 2747 | # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 96) | |
| 2748 | # undef SPARC64_MODF_WORKAROUND | |
| 2749 | # define SPARC64_MODF_WORKAROUND 1 | |
| 2750 | # endif | |
| 2751 | #endif | |
| 2752 | ||
| 2753 | #if defined(SPARC64_MODF_WORKAROUND) | |
| 2754 | static NV | |
| 2755 | sparc64_workaround_modf(NV theVal, NV *theIntRes) | |
| 2756 | { | |
| 2757 | NV res, ret; | |
| 2758 | ret = Perl_modf(theVal, &res); | |
| 2759 | *theIntRes = res; | |
| 2760 | return ret; | |
| 2761 | } | |
| 2762 | #endif | |
| 2763 | ||
| 79072805 LW |
2764 | PP(pp_int) |
| 2765 | { | |
| 39644a26 | 2766 | dSP; dTARGET; tryAMAGICun(int); |
| 774d564b | 2767 | { |
| 28e5dec8 JH |
2768 | NV value; |
| 2769 | IV iv = TOPi; /* attempt to convert to IV if possible. */ | |
| 2770 | /* XXX it's arguable that compiler casting to IV might be subtly | |
| 2771 | different from modf (for numbers inside (IV_MIN,UV_MAX)) in which | |
| 2772 | else preferring IV has introduced a subtle behaviour change bug. OTOH | |
| 2773 | relying on floating point to be accurate is a bug. */ | |
| 2774 | ||
| 2775 | if (SvIOK(TOPs)) { | |
| 2776 | if (SvIsUV(TOPs)) { | |
| 2777 | UV uv = TOPu; | |
| 2778 | SETu(uv); | |
| 2779 | } else | |
| 2780 | SETi(iv); | |
| 2781 | } else { | |
| 2782 | value = TOPn; | |
| 1048ea30 | 2783 | if (value >= 0.0) { |
| 28e5dec8 JH |
2784 | if (value < (NV)UV_MAX + 0.5) { |
| 2785 | SETu(U_V(value)); | |
| 2786 | } else { | |
| 24da999b JH |
2787 | #if defined(SPARC64_MODF_WORKAROUND) |
| 2788 | (void)sparc64_workaround_modf(value, &value); | |
| 2789 | #else | |
| 2790 | # if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE) | |
| 2791 | # ifdef HAS_MODFL_POW32_BUG | |
| e67aeab1 | 2792 | /* some versions of glibc split (i + d) into (i-1, d+1) for 2^32 <= i < 2^64 */ |
| 68795e93 | 2793 | { |
| e67aeab1 JH |
2794 | NV offset = Perl_modf(value, &value); |
| 2795 | (void)Perl_modf(offset, &offset); | |
| 2796 | value += offset; | |
| 2797 | } | |
| 24da999b | 2798 | # else |
| 28e5dec8 | 2799 | (void)Perl_modf(value, &value); |
| 24da999b JH |
2800 | # endif |
| 2801 | # else | |
| 28e5dec8 JH |
2802 | double tmp = (double)value; |
| 2803 | (void)Perl_modf(tmp, &tmp); | |
| 2804 | value = (NV)tmp; | |
| 24da999b | 2805 | # endif |
| 1048ea30 | 2806 | #endif |
| 2d9af89d | 2807 | SETn(value); |
| 28e5dec8 | 2808 | } |
| 1048ea30 | 2809 | } |
| 28e5dec8 JH |
2810 | else { |
| 2811 | if (value > (NV)IV_MIN - 0.5) { | |
| 2812 | SETi(I_V(value)); | |
| 2813 | } else { | |
| 1048ea30 | 2814 | #if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE) |
| e67aeab1 JH |
2815 | # ifdef HAS_MODFL_POW32_BUG |
| 2816 | /* some versions of glibc split (i + d) into (i-1, d+1) for 2^32 <= i < 2^64 */ | |
| 2817 | { | |
| 2818 | NV offset = Perl_modf(-value, &value); | |
| 2819 | (void)Perl_modf(offset, &offset); | |
| 2820 | value += offset; | |
| 2821 | } | |
| 2822 | # else | |
| 28e5dec8 | 2823 | (void)Perl_modf(-value, &value); |
| e67aeab1 | 2824 | # endif |
| 28e5dec8 | 2825 | value = -value; |
| 1048ea30 | 2826 | #else |
| 28e5dec8 JH |
2827 | double tmp = (double)value; |
| 2828 | (void)Perl_modf(-tmp, &tmp); | |
| 2829 | value = -(NV)tmp; | |
| 1048ea30 | 2830 | #endif |
| 28e5dec8 JH |
2831 | SETn(value); |
| 2832 | } | |
| 2833 | } | |
| 774d564b | 2834 | } |
| 79072805 | 2835 | } |
| 79072805 LW |
2836 | RETURN; |
| 2837 | } | |
| 2838 | ||
| 463ee0b2 LW |
2839 | PP(pp_abs) |
| 2840 | { | |
| 39644a26 | 2841 | dSP; dTARGET; tryAMAGICun(abs); |
| a0d0e21e | 2842 | { |
| 28e5dec8 JH |
2843 | /* This will cache the NV value if string isn't actually integer */ |
| 2844 | IV iv = TOPi; | |
| a227d84d | 2845 | |
| 28e5dec8 JH |
2846 | if (SvIOK(TOPs)) { |
| 2847 | /* IVX is precise */ | |
| 2848 | if (SvIsUV(TOPs)) { | |
| 2849 | SETu(TOPu); /* force it to be numeric only */ | |
| 2850 | } else { | |
| 2851 | if (iv >= 0) { | |
| 2852 | SETi(iv); | |
| 2853 | } else { | |
| 2854 | if (iv != IV_MIN) { | |
| 2855 | SETi(-iv); | |
| 2856 | } else { | |
| 2857 | /* 2s complement assumption. Also, not really needed as | |
| 2858 | IV_MIN and -IV_MIN should both be %100...00 and NV-able */ | |
| 2859 | SETu(IV_MIN); | |
| 2860 | } | |
| a227d84d | 2861 | } |
| 28e5dec8 JH |
2862 | } |
| 2863 | } else{ | |
| 2864 | NV value = TOPn; | |
| 774d564b | 2865 | if (value < 0.0) |
| 28e5dec8 | 2866 | value = -value; |
| 774d564b | 2867 | SETn(value); |
| 2868 | } | |
| a0d0e21e | 2869 | } |
| 774d564b | 2870 | RETURN; |
| 463ee0b2 LW |
2871 | } |
| 2872 | ||
| 53305cf1 | 2873 | |
| 79072805 LW |
2874 | PP(pp_hex) |
| 2875 | { | |
| 39644a26 | 2876 | dSP; dTARGET; |
| 79072805 | 2877 | char *tmps; |
| 53305cf1 | 2878 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
| 6f894ead | 2879 | STRLEN len; |
| 53305cf1 NC |
2880 | NV result_nv; |
| 2881 | UV result_uv; | |
| 2bc69dc4 | 2882 | SV* sv = POPs; |
| 79072805 | 2883 | |
| 2bc69dc4 NIS |
2884 | tmps = (SvPVx(sv, len)); |
| 2885 | if (DO_UTF8(sv)) { | |
| 2886 | /* If Unicode, try to downgrade | |
| 2887 | * If not possible, croak. */ | |
| 2888 | SV* tsv = sv_2mortal(newSVsv(sv)); | |
| 2889 | ||
| 2890 | SvUTF8_on(tsv); | |
| 2891 | sv_utf8_downgrade(tsv, FALSE); | |
| 2892 | tmps = SvPVX(tsv); | |
| 2893 | } | |
| 53305cf1 NC |
2894 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
| 2895 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
| 2896 | XPUSHn(result_nv); | |
| 2897 | } | |
| 2898 | else { | |
| 2899 | XPUSHu(result_uv); | |
| 2900 | } | |
| 79072805 LW |
2901 | RETURN; |
| 2902 | } | |
| 2903 | ||
| 2904 | PP(pp_oct) | |
| 2905 | { | |
| 39644a26 | 2906 | dSP; dTARGET; |
| 79072805 | 2907 | char *tmps; |
| 53305cf1 | 2908 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
| 6f894ead | 2909 | STRLEN len; |
| 53305cf1 NC |
2910 | NV result_nv; |
| 2911 | UV result_uv; | |
| 2bc69dc4 | 2912 | SV* sv = POPs; |
| 79072805 | 2913 | |
| 2bc69dc4 NIS |
2914 | tmps = (SvPVx(sv, len)); |
| 2915 | if (DO_UTF8(sv)) { | |
| 2916 | /* If Unicode, try to downgrade | |
| 2917 | * If not possible, croak. */ | |
| 2918 | SV* tsv = sv_2mortal(newSVsv(sv)); | |
| 2919 | ||
| 2920 | SvUTF8_on(tsv); | |
| 2921 | sv_utf8_downgrade(tsv, FALSE); | |
| 2922 | tmps = SvPVX(tsv); | |
| 2923 | } | |
| 6f894ead | 2924 | while (*tmps && len && isSPACE(*tmps)) |
| 53305cf1 | 2925 | tmps++, len--; |
| 9e24b6e2 | 2926 | if (*tmps == '0') |
| 53305cf1 | 2927 | tmps++, len--; |
| 9e24b6e2 | 2928 | if (*tmps == 'x') |
| 53305cf1 | 2929 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
| 9e24b6e2 | 2930 | else if (*tmps == 'b') |
| 53305cf1 | 2931 | result_uv = grok_bin (tmps, &len, &flags, &result_nv); |
| 464e2e8a | 2932 | else |
| 53305cf1 NC |
2933 | result_uv = grok_oct (tmps, &len, &flags, &result_nv); |
| 2934 | ||
| 2935 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
| 2936 | XPUSHn(result_nv); | |
| 2937 | } | |
| 2938 | else { | |
| 2939 | XPUSHu(result_uv); | |
| 2940 | } | |
| 79072805 LW |
2941 | RETURN; |
| 2942 | } | |
| 2943 | ||
| 2944 | /* String stuff. */ | |
| 2945 | ||
| 2946 | PP(pp_length) | |
| 2947 | { | |
| 39644a26 | 2948 | dSP; dTARGET; |
| 7e2040f0 | 2949 | SV *sv = TOPs; |
| a0ed51b3 | 2950 | |
| 7e2040f0 GS |
2951 | if (DO_UTF8(sv)) |
| 2952 | SETi(sv_len_utf8(sv)); | |
| 2953 | else | |
| 2954 | SETi(sv_len(sv)); | |
| 79072805 LW |
2955 | RETURN; |
| 2956 | } | |
| 2957 | ||
| 2958 | PP(pp_substr) | |
| 2959 | { | |
| 39644a26 | 2960 | dSP; dTARGET; |
| 79072805 | 2961 | SV *sv; |
| 9c5ffd7c | 2962 | I32 len = 0; |
| 463ee0b2 | 2963 | STRLEN curlen; |
| 9402d6ed | 2964 | STRLEN utf8_curlen; |
| 79072805 LW |
2965 | I32 pos; |
| 2966 | I32 rem; | |
| 84902520 | 2967 | I32 fail; |
| 78f9721b | 2968 | I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
| 79072805 | 2969 | char *tmps; |
| 3280af22 | 2970 | I32 arybase = PL_curcop->cop_arybase; |
| 9402d6ed | 2971 | SV *repl_sv = NULL; |
| 7b8d334a GS |
2972 | char *repl = 0; |
| 2973 | STRLEN repl_len; | |
| 78f9721b | 2974 | int num_args = PL_op->op_private & 7; |
| 13e30c65 | 2975 | bool repl_need_utf8_upgrade = FALSE; |
| 9402d6ed | 2976 | bool repl_is_utf8 = FALSE; |
| 79072805 | 2977 | |
| 20408e3c | 2978 | SvTAINTED_off(TARG); /* decontaminate */ |
| 7e2040f0 | 2979 | SvUTF8_off(TARG); /* decontaminate */ |
| 78f9721b SM |
2980 | if (num_args > 2) { |
| 2981 | if (num_args > 3) { | |
| 9402d6ed JH |
2982 | repl_sv = POPs; |
| 2983 | repl = SvPV(repl_sv, repl_len); | |
| 2984 | repl_is_utf8 = DO_UTF8(repl_sv) && SvCUR(repl_sv); | |
| 7b8d334a | 2985 | } |
| 79072805 | 2986 | len = POPi; |
| 5d82c453 | 2987 | } |
| 84902520 | 2988 | pos = POPi; |
| 79072805 | 2989 | sv = POPs; |
| 849ca7ee | 2990 | PUTBACK; |
| 9402d6ed JH |
2991 | if (repl_sv) { |
| 2992 | if (repl_is_utf8) { | |
| 2993 | if (!DO_UTF8(sv)) | |
| 2994 | sv_utf8_upgrade(sv); | |
| 2995 | } | |
| 13e30c65 JH |
2996 | else if (DO_UTF8(sv)) |
| 2997 | repl_need_utf8_upgrade = TRUE; | |
| 9402d6ed | 2998 | } |
| a0d0e21e | 2999 | tmps = SvPV(sv, curlen); |
| 7e2040f0 | 3000 | if (DO_UTF8(sv)) { |
| 9402d6ed JH |
3001 | utf8_curlen = sv_len_utf8(sv); |
| 3002 | if (utf8_curlen == curlen) | |
| 3003 | utf8_curlen = 0; | |
| a0ed51b3 | 3004 | else |
| 9402d6ed | 3005 | curlen = utf8_curlen; |
| a0ed51b3 | 3006 | } |
| d1c2b58a | 3007 | else |
| 9402d6ed | 3008 | utf8_curlen = 0; |
| a0ed51b3 | 3009 | |
| 84902520 TB |
3010 | if (pos >= arybase) { |
| 3011 | pos -= arybase; | |
| 3012 | rem = curlen-pos; | |
| 3013 | fail = rem; | |
| 78f9721b | 3014 | if (num_args > 2) { |
| 5d82c453 GA |
3015 | if (len < 0) { |
| 3016 | rem += len; | |
| 3017 | if (rem < 0) | |
| 3018 | rem = 0; | |
| 3019 | } | |
| 3020 | else if (rem > len) | |
| 3021 | rem = len; | |
| 3022 | } | |
| 68dc0745 | 3023 | } |
| 84902520 | 3024 | else { |
| 5d82c453 | 3025 | pos += curlen; |
| 78f9721b | 3026 | if (num_args < 3) |
| 5d82c453 GA |
3027 | rem = curlen; |
| 3028 | else if (len >= 0) { | |
| 3029 | rem = pos+len; | |
| 3030 | if (rem > (I32)curlen) | |
| 3031 | rem = curlen; | |
| 3032 | } | |
| 3033 | else { | |
| 3034 | rem = curlen+len; | |
| 3035 | if (rem < pos) | |
| 3036 | rem = pos; | |
| 3037 | } | |
| 3038 | if (pos < 0) | |
| 3039 | pos = 0; | |
| 3040 | fail = rem; | |
| 3041 | rem -= pos; | |
| 84902520 TB |
3042 | } |
| 3043 | if (fail < 0) { | |
| e476b1b5 GS |
3044 | if (lvalue || repl) |
| 3045 | Perl_croak(aTHX_ "substr outside of string"); | |
| 3046 | if (ckWARN(WARN_SUBSTR)) | |
| 9014280d | 3047 | Perl_warner(aTHX_ packWARN(WARN_SUBSTR), "substr outside of string"); |
| 2304df62 AD |
3048 | RETPUSHUNDEF; |
| 3049 | } | |
| 79072805 | 3050 | else { |
| 9aa983d2 JH |
3051 | I32 upos = pos; |
| 3052 | I32 urem = rem; | |
| 9402d6ed | 3053 | if (utf8_curlen) |
| a0ed51b3 | 3054 | sv_pos_u2b(sv, &pos, &rem); |
| 79072805 | 3055 | tmps += pos; |
| 79072805 | 3056 | sv_setpvn(TARG, tmps, rem); |
| 12aa1545 | 3057 | #ifdef USE_LOCALE_COLLATE |
| 14befaf4 | 3058 | sv_unmagic(TARG, PERL_MAGIC_collxfrm); |
| 12aa1545 | 3059 | #endif |
| 9402d6ed | 3060 | if (utf8_curlen) |
| 7f66633b | 3061 | SvUTF8_on(TARG); |
| f7928d6c | 3062 | if (repl) { |
| 13e30c65 JH |
3063 | SV* repl_sv_copy = NULL; |
| 3064 | ||
| 3065 | if (repl_need_utf8_upgrade) { | |
| 3066 | repl_sv_copy = newSVsv(repl_sv); | |
| 3067 | sv_utf8_upgrade(repl_sv_copy); | |
| 3068 | repl = SvPV(repl_sv_copy, repl_len); | |
| 3069 | repl_is_utf8 = DO_UTF8(repl_sv_copy) && SvCUR(sv); | |
| 3070 | } | |
| c8faf1c5 | 3071 | sv_insert(sv, pos, rem, repl, repl_len); |
| 9402d6ed | 3072 | if (repl_is_utf8) |
| f7928d6c | 3073 | SvUTF8_on(sv); |
| 9402d6ed JH |
3074 | if (repl_sv_copy) |
| 3075 | SvREFCNT_dec(repl_sv_copy); | |
| f7928d6c | 3076 | } |
| c8faf1c5 | 3077 | else if (lvalue) { /* it's an lvalue! */ |
| dedeecda | 3078 | if (!SvGMAGICAL(sv)) { |
| 3079 | if (SvROK(sv)) { | |
| 2d8e6c8d GS |
3080 | STRLEN n_a; |
| 3081 | SvPV_force(sv,n_a); | |
| 599cee73 | 3082 | if (ckWARN(WARN_SUBSTR)) |
| 9014280d | 3083 | Perl_warner(aTHX_ packWARN(WARN_SUBSTR), |
| 599cee73 | 3084 | "Attempt to use reference as lvalue in substr"); |
| dedeecda | 3085 | } |
| 3086 | if (SvOK(sv)) /* is it defined ? */ | |
| 7f66633b | 3087 | (void)SvPOK_only_UTF8(sv); |
| dedeecda | 3088 | else |
| 3089 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
| 3090 | } | |
| 5f05dabc | 3091 | |
| a0d0e21e LW |
3092 | if (SvTYPE(TARG) < SVt_PVLV) { |
| 3093 | sv_upgrade(TARG, SVt_PVLV); | |
| 14befaf4 | 3094 | sv_magic(TARG, Nullsv, PERL_MAGIC_substr, Nullch, 0); |
| ed6116ce | 3095 | } |
| a0d0e21e | 3096 | |
| 5f05dabc | 3097 | LvTYPE(TARG) = 'x'; |
| 6ff81951 GS |
3098 | if (LvTARG(TARG) != sv) { |
| 3099 | if (LvTARG(TARG)) | |
| 3100 | SvREFCNT_dec(LvTARG(TARG)); | |
| 3101 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
| 3102 | } | |
| 9aa983d2 JH |
3103 | LvTARGOFF(TARG) = upos; |
| 3104 | LvTARGLEN(TARG) = urem; | |
| 79072805 LW |
3105 | } |
| 3106 | } | |
| 849ca7ee | 3107 | SPAGAIN; |
| 79072805 LW |
3108 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
| 3109 | RETURN; | |
| 3110 | } | |
| 3111 | ||
| 3112 | PP(pp_vec) | |
| 3113 | { | |
| 39644a26 | 3114 | dSP; dTARGET; |
| 467f0320 JH |
3115 | register IV size = POPi; |
| 3116 | register IV offset = POPi; | |
| 79072805 | 3117 | register SV *src = POPs; |
| 78f9721b | 3118 | I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
| a0d0e21e | 3119 | |
| 81e118e0 JH |
3120 | SvTAINTED_off(TARG); /* decontaminate */ |
| 3121 | if (lvalue) { /* it's an lvalue! */ | |
| 3122 | if (SvTYPE(TARG) < SVt_PVLV) { | |
| 3123 | sv_upgrade(TARG, SVt_PVLV); | |
| 14befaf4 | 3124 | sv_magic(TARG, Nullsv, PERL_MAGIC_vec, Nullch, 0); |
| 79072805 | 3125 | } |
| 81e118e0 JH |
3126 | LvTYPE(TARG) = 'v'; |
| 3127 | if (LvTARG(TARG) != src) { | |
| 3128 | if (LvTARG(TARG)) | |
| 3129 | SvREFCNT_dec(LvTARG(TARG)); | |
| 3130 | LvTARG(TARG) = SvREFCNT_inc(src); | |
| 79072805 | 3131 | } |
| 81e118e0 JH |
3132 | LvTARGOFF(TARG) = offset; |
| 3133 | LvTARGLEN(TARG) = size; | |
| 79072805 LW |
3134 | } |
| 3135 | ||
| 81e118e0 | 3136 | sv_setuv(TARG, do_vecget(src, offset, size)); |
| 79072805 LW |
3137 | PUSHs(TARG); |
| 3138 | RETURN; | |
| 3139 | } | |
| 3140 | ||
| 3141 | PP(pp_index) | |
| 3142 | { | |
| 39644a26 | 3143 | dSP; dTARGET; |
| 79072805 LW |
3144 | SV *big; |
| 3145 | SV *little; | |
| 3146 | I32 offset; | |
| 3147 | I32 retval; | |
| 3148 | char *tmps; | |
| 3149 | char *tmps2; | |
| 463ee0b2 | 3150 | STRLEN biglen; |
| 3280af22 | 3151 | I32 arybase = PL_curcop->cop_arybase; |
| 79072805 LW |
3152 | |
| 3153 | if (MAXARG < 3) | |
| 3154 | offset = 0; | |
| 3155 | else | |
| 3156 | offset = POPi - arybase; | |
| 3157 | little = POPs; | |
| 3158 | big = POPs; | |
| 463ee0b2 | 3159 | tmps = SvPV(big, biglen); |
| 7e2040f0 | 3160 | if (offset > 0 && DO_UTF8(big)) |
| a0ed51b3 | 3161 | sv_pos_u2b(big, &offset, 0); |
| 79072805 LW |
3162 | if (offset < 0) |
| 3163 | offset = 0; | |
| eb160463 | 3164 | else if (offset > (I32)biglen) |
| 93a17b20 | 3165 | offset = biglen; |
| 79072805 | 3166 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
| 411d5715 | 3167 | (unsigned char*)tmps + biglen, little, 0))) |
| a0ed51b3 | 3168 | retval = -1; |
| 79072805 | 3169 | else |
| a0ed51b3 | 3170 | retval = tmps2 - tmps; |
| 7e2040f0 | 3171 | if (retval > 0 && DO_UTF8(big)) |
| a0ed51b3 LW |
3172 | sv_pos_b2u(big, &retval); |
| 3173 | PUSHi(retval + arybase); | |
| 79072805 LW |
3174 | RETURN; |
| 3175 | } | |
| 3176 | ||
| 3177 | PP(pp_rindex) | |
| 3178 | { | |
| 39644a26 | 3179 | dSP; dTARGET; |
| 79072805 LW |
3180 | SV *big; |
| 3181 | SV *little; | |
| 463ee0b2 LW |
3182 | STRLEN blen; |
| 3183 | STRLEN llen; | |
| 79072805 LW |
3184 | I32 offset; |
| 3185 | I32 retval; | |
| 3186 | char *tmps; | |
| 3187 | char *tmps2; | |
| 3280af22 | 3188 | I32 arybase = PL_curcop->cop_arybase; |
| 79072805 | 3189 | |
| a0d0e21e | 3190 | if (MAXARG >= 3) |
| a0ed51b3 | 3191 | offset = POPi; |
| 79072805 LW |
3192 | little = POPs; |
| 3193 | big = POPs; | |
| 463ee0b2 LW |
3194 | tmps2 = SvPV(little, llen); |
| 3195 | tmps = SvPV(big, blen); | |
| 79072805 | 3196 | if (MAXARG < 3) |
| 463ee0b2 | 3197 | offset = blen; |
| a0ed51b3 | 3198 | else { |
| 7e2040f0 | 3199 | if (offset > 0 && DO_UTF8(big)) |
| a0ed51b3 LW |
3200 | sv_pos_u2b(big, &offset, 0); |
| 3201 | offset = offset - arybase + llen; | |
| 3202 | } | |
| 79072805 LW |
3203 | if (offset < 0) |
| 3204 | offset = 0; | |
| eb160463 | 3205 | else if (offset > (I32)blen) |
| 463ee0b2 | 3206 | offset = blen; |
| 79072805 | 3207 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
| 463ee0b2 | 3208 | tmps2, tmps2 + llen))) |
| a0ed51b3 | 3209 | retval = -1; |
| 79072805 | 3210 | else |
| a0ed51b3 | 3211 | retval = tmps2 - tmps; |
| 7e2040f0 | 3212 | if (retval > 0 && DO_UTF8(big)) |
| a0ed51b3 LW |
3213 | sv_pos_b2u(big, &retval); |
| 3214 | PUSHi(retval + arybase); | |
| 79072805 LW |
3215 | RETURN; |
| 3216 | } | |
| 3217 | ||
| 3218 | PP(pp_sprintf) | |
| 3219 | { | |
| 39644a26 | 3220 | dSP; dMARK; dORIGMARK; dTARGET; |
| 79072805 | 3221 | do_sprintf(TARG, SP-MARK, MARK+1); |
| bbce6d69 | 3222 | TAINT_IF(SvTAINTED(TARG)); |
| 6ee35fb7 JH |
3223 | if (DO_UTF8(*(MARK+1))) |
| 3224 | SvUTF8_on(TARG); | |
| 79072805 LW |
3225 | SP = ORIGMARK; |
| 3226 | PUSHTARG; | |
| 3227 | RETURN; | |
| 3228 | } | |
| 3229 | ||
| 79072805 LW |
3230 | PP(pp_ord) |
| 3231 | { | |
| 39644a26 | 3232 | dSP; dTARGET; |
| 7df053ec | 3233 | SV *argsv = POPs; |
| ba210ebe | 3234 | STRLEN len; |
| 7df053ec | 3235 | U8 *s = (U8*)SvPVx(argsv, len); |
| 121910a4 JH |
3236 | SV *tmpsv; |
| 3237 | ||
| 799ef3cb | 3238 | if (PL_encoding && SvPOK(argsv) && !DO_UTF8(argsv)) { |
| 121910a4 | 3239 | tmpsv = sv_2mortal(newSVsv(argsv)); |
| 799ef3cb | 3240 | s = (U8*)sv_recode_to_utf8(tmpsv, PL_encoding); |
| 121910a4 JH |
3241 | argsv = tmpsv; |
| 3242 | } | |
| 79072805 | 3243 | |
| 872c91ae JH |
3244 | XPUSHu(DO_UTF8(argsv) ? |
| 3245 | utf8n_to_uvchr(s, UTF8_MAXLEN, 0, UTF8_ALLOW_ANYUV) : | |
| 3246 | (*s & 0xff)); | |
| 68795e93 | 3247 | |
| 79072805 LW |
3248 | RETURN; |
| 3249 | } | |
| 3250 | ||
| 463ee0b2 LW |
3251 | PP(pp_chr) |
| 3252 | { | |
| 39644a26 | 3253 | dSP; dTARGET; |
| 463ee0b2 | 3254 | char *tmps; |
| 467f0320 | 3255 | UV value = POPu; |
| 463ee0b2 | 3256 | |
| 748a9306 | 3257 | (void)SvUPGRADE(TARG,SVt_PV); |
| a0ed51b3 | 3258 | |
| 0064a8a9 | 3259 | if (value > 255 && !IN_BYTES) { |
| eb160463 | 3260 | SvGROW(TARG, (STRLEN)UNISKIP(value)+1); |
| 62961d2e | 3261 | tmps = (char*)uvchr_to_utf8_flags((U8*)SvPVX(TARG), value, 0); |
| a0ed51b3 LW |
3262 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
| 3263 | *tmps = '\0'; | |
| 3264 | (void)SvPOK_only(TARG); | |
| aa6ffa16 | 3265 | SvUTF8_on(TARG); |
| a0ed51b3 LW |
3266 | XPUSHs(TARG); |
| 3267 | RETURN; | |
| 3268 | } | |
| 3269 | ||
| 748a9306 | 3270 | SvGROW(TARG,2); |
| 463ee0b2 LW |
3271 | SvCUR_set(TARG, 1); |
| 3272 | tmps = SvPVX(TARG); | |
| eb160463 | 3273 | *tmps++ = (char)value; |
| 748a9306 | 3274 | *tmps = '\0'; |
| a0d0e21e | 3275 | (void)SvPOK_only(TARG); |
| 121910a4 | 3276 | if (PL_encoding) |
| 799ef3cb | 3277 | sv_recode_to_utf8(TARG, PL_encoding); |
| 463ee0b2 LW |
3278 | XPUSHs(TARG); |
| 3279 | RETURN; | |
| 3280 | } | |
| 3281 | ||
| 79072805 LW |
3282 | PP(pp_crypt) |
| 3283 | { | |
| 5f74f29c | 3284 | dSP; dTARGET; |
| 79072805 | 3285 | #ifdef HAS_CRYPT |
| 5f74f29c JH |
3286 | dPOPTOPssrl; |
| 3287 | STRLEN n_a; | |
| 85c16d83 JH |
3288 | STRLEN len; |
| 3289 | char *tmps = SvPV(left, len); | |
| 2bc69dc4 | 3290 | |
| 85c16d83 | 3291 | if (DO_UTF8(left)) { |
| 2bc69dc4 | 3292 | /* If Unicode, try to downgrade. |
| f2791508 JH |
3293 | * If not possible, croak. |
| 3294 | * Yes, we made this up. */ | |
| 3295 | SV* tsv = sv_2mortal(newSVsv(left)); | |
| 2bc69dc4 | 3296 | |
| f2791508 | 3297 | SvUTF8_on(tsv); |
| 2bc69dc4 | 3298 | sv_utf8_downgrade(tsv, FALSE); |
| f2791508 | 3299 | tmps = SvPVX(tsv); |
| 85c16d83 | 3300 | } |
| 5f74f29c | 3301 | # ifdef FCRYPT |
| 2d8e6c8d | 3302 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
| 5f74f29c | 3303 | # else |
| 2d8e6c8d | 3304 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
| 5f74f29c | 3305 | # endif |
| 79072805 | 3306 | #else |
| b13b2135 | 3307 | DIE(aTHX_ |
| 79072805 LW |
3308 | "The crypt() function is unimplemented due to excessive paranoia."); |
| 3309 | #endif | |
| 3310 | SETs(TARG); | |
| 3311 | RETURN; | |
| 3312 | } | |
| 3313 | ||
| 3314 | PP(pp_ucfirst) | |
| 3315 | { | |
| 39644a26 | 3316 | dSP; |
| 79072805 | 3317 | SV *sv = TOPs; |
| a0ed51b3 LW |
3318 | register U8 *s; |
| 3319 | STRLEN slen; | |
| 3320 | ||
| 44bc797b | 3321 | if (DO_UTF8(sv)) { |
| e7ae6809 | 3322 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
| 44bc797b JH |
3323 | STRLEN ulen; |
| 3324 | STRLEN tculen; | |
| a0ed51b3 | 3325 | |
| 44bc797b JH |
3326 | s = (U8*)SvPV(sv, slen); |
| 3327 | utf8_to_uvchr(s, &ulen); | |
| a0ed51b3 | 3328 | |
| 44bc797b JH |
3329 | toTITLE_utf8(s, tmpbuf, &tculen); |
| 3330 | utf8_to_uvchr(tmpbuf, 0); | |
| 3331 | ||
| 3332 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { | |
| a0ed51b3 | 3333 | dTARGET; |
| 44bc797b | 3334 | sv_setpvn(TARG, (char*)tmpbuf, tculen); |
| dfe13c55 | 3335 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); |
| 7e2040f0 | 3336 | SvUTF8_on(TARG); |
| a0ed51b3 LW |
3337 | SETs(TARG); |
| 3338 | } | |
| 3339 | else { | |
| dfe13c55 | 3340 | s = (U8*)SvPV_force(sv, slen); |
| 44bc797b | 3341 | Copy(tmpbuf, s, tculen, U8); |
| a0ed51b3 | 3342 | } |
| a0ed51b3 | 3343 | } |
| 626727d5 | 3344 | else { |
| 014822e4 | 3345 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 31351b04 | 3346 | dTARGET; |
| 7e2040f0 | 3347 | SvUTF8_off(TARG); /* decontaminate */ |
| 31351b04 JS |
3348 | sv_setsv(TARG, sv); |
| 3349 | sv = TARG; | |
| 3350 | SETs(sv); | |
| 3351 | } | |
| 3352 | s = (U8*)SvPV_force(sv, slen); | |
| 3353 | if (*s) { | |
| 2de3dbcc | 3354 | if (IN_LOCALE_RUNTIME) { |
| 31351b04 JS |
3355 | TAINT; |
| 3356 | SvTAINTED_on(sv); | |
| 3357 | *s = toUPPER_LC(*s); | |
| 3358 | } | |
| 3359 | else | |
| 3360 | *s = toUPPER(*s); | |
| bbce6d69 | 3361 | } |
| bbce6d69 | 3362 | } |
| 31351b04 JS |
3363 | if (SvSMAGICAL(sv)) |
| 3364 | mg_set(sv); | |
| 79072805 LW |
3365 | RETURN; |
| 3366 | } | |
| 3367 | ||
| 3368 | PP(pp_lcfirst) | |
| 3369 | { | |
| 39644a26 | 3370 | dSP; |
| 79072805 | 3371 | SV *sv = TOPs; |
| a0ed51b3 LW |
3372 | register U8 *s; |
| 3373 | STRLEN slen; | |
| 3374 | ||
| fd400ab9 | 3375 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && UTF8_IS_START(*s)) { |
| ba210ebe | 3376 | STRLEN ulen; |
| e7ae6809 | 3377 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
| a0ed51b3 | 3378 | U8 *tend; |
| 9041c2e3 | 3379 | UV uv; |
| a0ed51b3 | 3380 | |
| 44bc797b | 3381 | toLOWER_utf8(s, tmpbuf, &ulen); |
| a2a2844f | 3382 | uv = utf8_to_uvchr(tmpbuf, 0); |
| a0ed51b3 | 3383 | |
| 9041c2e3 | 3384 | tend = uvchr_to_utf8(tmpbuf, uv); |
| a0ed51b3 | 3385 | |
| eb160463 | 3386 | if (!SvPADTMP(sv) || (STRLEN)(tend - tmpbuf) != ulen || SvREADONLY(sv)) { |
| a0ed51b3 | 3387 | dTARGET; |
| dfe13c55 GS |
3388 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
| 3389 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
| 7e2040f0 | 3390 | SvUTF8_on(TARG); |
| a0ed51b3 LW |
3391 | SETs(TARG); |
| 3392 | } | |
| 3393 | else { | |
| dfe13c55 | 3394 | s = (U8*)SvPV_force(sv, slen); |
| a0ed51b3 LW |
3395 | Copy(tmpbuf, s, ulen, U8); |
| 3396 | } | |
| a0ed51b3 | 3397 | } |
| 626727d5 | 3398 | else { |
| 014822e4 | 3399 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 31351b04 | 3400 | dTARGET; |
| 7e2040f0 | 3401 | SvUTF8_off(TARG); /* decontaminate */ |
| 31351b04 JS |
3402 | sv_setsv(TARG, sv); |
| 3403 | sv = TARG; | |
| 3404 | SETs(sv); | |
| 3405 | } | |
| 3406 | s = (U8*)SvPV_force(sv, slen); | |
| 3407 | if (*s) { | |
| 2de3dbcc | 3408 | if (IN_LOCALE_RUNTIME) { |
| 31351b04 JS |
3409 | TAINT; |
| 3410 | SvTAINTED_on(sv); | |
| 3411 | *s = toLOWER_LC(*s); | |
| 3412 | } | |
| 3413 | else | |
| 3414 | *s = toLOWER(*s); | |
| bbce6d69 | 3415 | } |
| bbce6d69 | 3416 | } |
| 31351b04 JS |
3417 | if (SvSMAGICAL(sv)) |
| 3418 | mg_set(sv); | |
| 79072805 LW |
3419 | RETURN; |
| 3420 | } | |
| 3421 | ||
| 3422 | PP(pp_uc) | |
| 3423 | { | |
| 39644a26 | 3424 | dSP; |
| 79072805 | 3425 | SV *sv = TOPs; |
| a0ed51b3 | 3426 | register U8 *s; |
| 463ee0b2 | 3427 | STRLEN len; |
| 79072805 | 3428 | |
| 7e2040f0 | 3429 | if (DO_UTF8(sv)) { |
| a0ed51b3 | 3430 | dTARGET; |
| ba210ebe | 3431 | STRLEN ulen; |
| a0ed51b3 LW |
3432 | register U8 *d; |
| 3433 | U8 *send; | |
| e7ae6809 | 3434 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
| a0ed51b3 | 3435 | |
| dfe13c55 | 3436 | s = (U8*)SvPV(sv,len); |
| a5a20234 | 3437 | if (!len) { |
| 7e2040f0 | 3438 | SvUTF8_off(TARG); /* decontaminate */ |
| a5a20234 LW |
3439 | sv_setpvn(TARG, "", 0); |
| 3440 | SETs(TARG); | |
| a0ed51b3 LW |
3441 | } |
| 3442 | else { | |
| 98b27f73 JH |
3443 | STRLEN nchar = utf8_length(s, s + len); |
| 3444 | ||
| 31351b04 | 3445 | (void)SvUPGRADE(TARG, SVt_PV); |
| 98b27f73 | 3446 | SvGROW(TARG, (nchar * UTF8_MAXLEN_UCLC) + 1); |
| 31351b04 JS |
3447 | (void)SvPOK_only(TARG); |
| 3448 | d = (U8*)SvPVX(TARG); | |
| 3449 | send = s + len; | |
| a2a2844f | 3450 | while (s < send) { |
| 6fdb5f96 | 3451 | toUPPER_utf8(s, tmpbuf, &ulen); |
| a2a2844f JH |
3452 | Copy(tmpbuf, d, ulen, U8); |
| 3453 | d += ulen; | |
| 3454 | s += UTF8SKIP(s); | |
| a0ed51b3 | 3455 | } |
| 31351b04 | 3456 | *d = '\0'; |
| 7e2040f0 | 3457 | SvUTF8_on(TARG); |
| 31351b04 JS |
3458 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
| 3459 | SETs(TARG); | |
| a0ed51b3 | 3460 | } |
| a0ed51b3 | 3461 | } |
| 626727d5 | 3462 | else { |
| 014822e4 | 3463 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 31351b04 | 3464 | dTARGET; |
| 7e2040f0 | 3465 | SvUTF8_off(TARG); /* decontaminate */ |
| 31351b04 JS |
3466 | sv_setsv(TARG, sv); |
| 3467 | sv = TARG; | |
| 3468 | SETs(sv); | |
| 3469 | } | |
| 3470 | s = (U8*)SvPV_force(sv, len); | |
| 3471 | if (len) { | |
| 3472 | register U8 *send = s + len; | |
| 3473 | ||
| 2de3dbcc | 3474 | if (IN_LOCALE_RUNTIME) { |
| 31351b04 JS |
3475 | TAINT; |
| 3476 | SvTAINTED_on(sv); | |
| 3477 | for (; s < send; s++) | |
| 3478 | *s = toUPPER_LC(*s); | |
| 3479 | } | |
| 3480 | else { | |
| 3481 | for (; s < send; s++) | |
| 3482 | *s = toUPPER(*s); | |
| 3483 | } | |
| bbce6d69 | 3484 | } |
| 79072805 | 3485 | } |
| 31351b04 JS |
3486 | if (SvSMAGICAL(sv)) |
| 3487 | mg_set(sv); | |
| 79072805 LW |
3488 | RETURN; |
| 3489 | } | |
| 3490 | ||
| 3491 | PP(pp_lc) | |
| 3492 | { | |
| 39644a26 | 3493 | dSP; |
| 79072805 | 3494 | SV *sv = TOPs; |
| a0ed51b3 | 3495 | register U8 *s; |
| 463ee0b2 | 3496 | STRLEN len; |
| 79072805 | 3497 | |
| 7e2040f0 | 3498 | if (DO_UTF8(sv)) { |
| a0ed51b3 | 3499 | dTARGET; |
| ba210ebe | 3500 | STRLEN ulen; |
| a0ed51b3 LW |
3501 | register U8 *d; |
| 3502 | U8 *send; | |
| e7ae6809 | 3503 | U8 tmpbuf[UTF8_MAXLEN_UCLC+1]; |
| a0ed51b3 | 3504 | |
| dfe13c55 | 3505 | s = (U8*)SvPV(sv,len); |
| a5a20234 | 3506 | if (!len) { |
| 7e2040f0 | 3507 | SvUTF8_off(TARG); /* decontaminate */ |
| a5a20234 LW |
3508 | sv_setpvn(TARG, "", 0); |
| 3509 | SETs(TARG); | |
| a0ed51b3 LW |
3510 | } |
| 3511 | else { | |
| 98b27f73 JH |
3512 | STRLEN nchar = utf8_length(s, s + len); |
| 3513 | ||
| 31351b04 | 3514 | (void)SvUPGRADE(TARG, SVt_PV); |
| 98b27f73 | 3515 | SvGROW(TARG, (nchar * UTF8_MAXLEN_UCLC) + 1); |
| 31351b04 JS |
3516 | (void)SvPOK_only(TARG); |
| 3517 | d = (U8*)SvPVX(TARG); | |
| 3518 | send = s + len; | |
| a2a2844f | 3519 | while (s < send) { |
| 6fdb5f96 JH |
3520 | UV uv = toLOWER_utf8(s, tmpbuf, &ulen); |
| 3521 | #define GREEK_CAPITAL_LETTER_SIGMA 0x03A3 /* Unicode */ | |
| 3522 | if (uv == GREEK_CAPITAL_LETTER_SIGMA) { | |
| 3523 | /* | |
| 3524 | * Now if the sigma is NOT followed by | |
| 3525 | * /$ignorable_sequence$cased_letter/; | |
| 3526 | * and it IS preceded by | |
| 3527 | * /$cased_letter$ignorable_sequence/; | |
| 3528 | * where $ignorable_sequence is | |
| 3529 | * [\x{2010}\x{AD}\p{Mn}]* | |
| 3530 | * and $cased_letter is | |
| 3531 | * [\p{Ll}\p{Lo}\p{Lt}] | |
| 3532 | * then it should be mapped to 0x03C2, | |
| 3533 | * (GREEK SMALL LETTER FINAL SIGMA), | |
| 3534 | * instead of staying 0x03A3. | |
| 3535 | * See lib/unicore/SpecCase.txt. | |
| 3536 | */ | |
| 3537 | } | |
| a2a2844f JH |
3538 | Copy(tmpbuf, d, ulen, U8); |
| 3539 | d += ulen; | |
| 3540 | s += UTF8SKIP(s); | |
| a0ed51b3 | 3541 | } |
| 31351b04 | 3542 | *d = '\0'; |
| 7e2040f0 | 3543 | SvUTF8_on(TARG); |
| 31351b04 JS |
3544 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
| 3545 | SETs(TARG); | |
| a0ed51b3 | 3546 | } |
| 79072805 | 3547 | } |
| 626727d5 | 3548 | else { |
| 014822e4 | 3549 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 31351b04 | 3550 | dTARGET; |
| 7e2040f0 | 3551 | SvUTF8_off(TARG); /* decontaminate */ |
| 31351b04 JS |
3552 | sv_setsv(TARG, sv); |
| 3553 | sv = TARG; | |
| 3554 | SETs(sv); | |
| a0ed51b3 | 3555 | } |
| bbce6d69 | 3556 | |
| 31351b04 JS |
3557 | s = (U8*)SvPV_force(sv, len); |
| 3558 | if (len) { | |
| 3559 | register U8 *send = s + len; | |
| bbce6d69 | 3560 | |
| 2de3dbcc | 3561 | if (IN_LOCALE_RUNTIME) { |
| 31351b04 JS |
3562 | TAINT; |
| 3563 | SvTAINTED_on(sv); | |
| 3564 | for (; s < send; s++) | |
| 3565 | *s = toLOWER_LC(*s); | |
| 3566 | } | |
| 3567 | else { | |
| 3568 | for (; s < send; s++) | |
| 3569 | *s = toLOWER(*s); | |
| 3570 | } | |
| bbce6d69 | 3571 | } |
| 79072805 | 3572 | } |
| 31351b04 JS |
3573 | if (SvSMAGICAL(sv)) |
| 3574 | mg_set(sv); | |
| 79072805 LW |
3575 | RETURN; |
| 3576 | } | |
| 3577 | ||
| a0d0e21e | 3578 | PP(pp_quotemeta) |
| 79072805 | 3579 | { |
| 39644a26 | 3580 | dSP; dTARGET; |
| a0d0e21e LW |
3581 | SV *sv = TOPs; |
| 3582 | STRLEN len; | |
| 3583 | register char *s = SvPV(sv,len); | |
| 3584 | register char *d; | |
| 79072805 | 3585 | |
| 7e2040f0 | 3586 | SvUTF8_off(TARG); /* decontaminate */ |
| a0d0e21e LW |
3587 | if (len) { |
| 3588 | (void)SvUPGRADE(TARG, SVt_PV); | |
| c07a80fd | 3589 | SvGROW(TARG, (len * 2) + 1); |
| a0d0e21e | 3590 | d = SvPVX(TARG); |
| 7e2040f0 | 3591 | if (DO_UTF8(sv)) { |
| 0dd2cdef | 3592 | while (len) { |
| fd400ab9 | 3593 | if (UTF8_IS_CONTINUED(*s)) { |
| 0dd2cdef LW |
3594 | STRLEN ulen = UTF8SKIP(s); |
| 3595 | if (ulen > len) | |
| 3596 | ulen = len; | |
| 3597 | len -= ulen; | |
| 3598 | while (ulen--) | |
| 3599 | *d++ = *s++; | |
| 3600 | } | |
| 3601 | else { | |
| 3602 | if (!isALNUM(*s)) | |
| 3603 | *d++ = '\\'; | |
| 3604 | *d++ = *s++; | |
| 3605 | len--; | |
| 3606 | } | |
| 3607 | } | |
| 7e2040f0 | 3608 | SvUTF8_on(TARG); |
| 0dd2cdef LW |
3609 | } |
| 3610 | else { | |
| 3611 | while (len--) { | |
| 3612 | if (!isALNUM(*s)) | |
| 3613 | *d++ = '\\'; | |
| 3614 | *d++ = *s++; | |
| 3615 | } | |
| 79072805 | 3616 | } |
| a0d0e21e LW |
3617 | *d = '\0'; |
| 3618 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
| 3aa33fe5 | 3619 | (void)SvPOK_only_UTF8(TARG); |
| 79072805 | 3620 | } |
| a0d0e21e LW |
3621 | else |
| 3622 | sv_setpvn(TARG, s, len); | |
| 3623 | SETs(TARG); | |
| 31351b04 JS |
3624 | if (SvSMAGICAL(TARG)) |
| 3625 | mg_set(TARG); | |
| 79072805 LW |
3626 | RETURN; |
| 3627 | } | |
| 3628 | ||
| a0d0e21e | 3629 | /* Arrays. */ |
| 79072805 | 3630 | |
| a0d0e21e | 3631 | PP(pp_aslice) |
| 79072805 | 3632 | { |
| 39644a26 | 3633 | dSP; dMARK; dORIGMARK; |
| a0d0e21e LW |
3634 | register SV** svp; |
| 3635 | register AV* av = (AV*)POPs; | |
| 78f9721b | 3636 | register I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); |
| 3280af22 | 3637 | I32 arybase = PL_curcop->cop_arybase; |
| 748a9306 | 3638 | I32 elem; |
| 79072805 | 3639 | |
| a0d0e21e | 3640 | if (SvTYPE(av) == SVt_PVAV) { |
| 533c011a | 3641 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
| 748a9306 | 3642 | I32 max = -1; |
| 924508f0 | 3643 | for (svp = MARK + 1; svp <= SP; svp++) { |
| 748a9306 LW |
3644 | elem = SvIVx(*svp); |
| 3645 | if (elem > max) | |
| 3646 | max = elem; | |
| 3647 | } | |
| 3648 | if (max > AvMAX(av)) | |
| 3649 | av_extend(av, max); | |
| 3650 | } | |
| a0d0e21e | 3651 | while (++MARK <= SP) { |
| 748a9306 | 3652 | elem = SvIVx(*MARK); |
| a0d0e21e | 3653 | |
| 748a9306 LW |
3654 | if (elem > 0) |
| 3655 | elem -= arybase; | |
| a0d0e21e LW |
3656 | svp = av_fetch(av, elem, lval); |
| 3657 | if (lval) { | |
| 3280af22 | 3658 | if (!svp || *svp == &PL_sv_undef) |
| cea2e8a9 | 3659 | DIE(aTHX_ PL_no_aelem, elem); |
| 533c011a | 3660 | if (PL_op->op_private & OPpLVAL_INTRO) |
| 161b7d16 | 3661 | save_aelem(av, elem, svp); |
| 79072805 | 3662 | } |
| 3280af22 | 3663 | *MARK = svp ? *svp : &PL_sv_undef; |
| 79072805 LW |
3664 | } |
| 3665 | } | |
| 748a9306 | 3666 | if (GIMME != G_ARRAY) { |
| a0d0e21e LW |
3667 | MARK = ORIGMARK; |
| 3668 | *++MARK = *SP; | |
| 3669 | SP = MARK; | |
| 3670 | } | |
| 79072805 LW |
3671 | RETURN; |
| 3672 | } | |
| 3673 | ||
| 3674 | /* Associative arrays. */ | |
| 3675 | ||
| 3676 | PP(pp_each) | |
| 3677 | { | |
| 39644a26 | 3678 | dSP; |
| 79072805 | 3679 | HV *hash = (HV*)POPs; |
| c07a80fd | 3680 | HE *entry; |
| 54310121 | 3681 | I32 gimme = GIMME_V; |
| c750a3ec | 3682 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
| 8ec5e241 | 3683 | |
| c07a80fd | 3684 | PUTBACK; |
| c750a3ec MB |
3685 | /* might clobber stack_sp */ |
| 3686 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
| c07a80fd | 3687 | SPAGAIN; |
| 79072805 | 3688 | |
| 79072805 LW |
3689 | EXTEND(SP, 2); |
| 3690 | if (entry) { | |
| 574c8022 | 3691 | SV* sv = hv_iterkeysv(entry); |
| 574c8022 | 3692 | PUSHs(sv); /* won't clobber stack_sp */ |
| 54310121 | 3693 | if (gimme == G_ARRAY) { |
| 59af0135 | 3694 | SV *val; |
| c07a80fd | 3695 | PUTBACK; |
| c750a3ec | 3696 | /* might clobber stack_sp */ |
| 59af0135 GS |
3697 | val = realhv ? |
| 3698 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry); | |
| c07a80fd | 3699 | SPAGAIN; |
| 59af0135 | 3700 | PUSHs(val); |
| 79072805 | 3701 | } |
| 79072805 | 3702 | } |
| 54310121 | 3703 | else if (gimme == G_SCALAR) |
| 79072805 LW |
3704 | RETPUSHUNDEF; |
| 3705 | ||
| 3706 | RETURN; | |
| 3707 | } | |
| 3708 | ||
| 3709 | PP(pp_values) | |
| 3710 | { | |
| cea2e8a9 | 3711 | return do_kv(); |
| 79072805 LW |
3712 | } |
| 3713 | ||
| 3714 | PP(pp_keys) | |
| 3715 | { | |
| cea2e8a9 | 3716 | return do_kv(); |
| 79072805 LW |
3717 | } |
| 3718 | ||
| 3719 | PP(pp_delete) | |
| 3720 | { | |
| 39644a26 | 3721 | dSP; |
| 54310121 | 3722 | I32 gimme = GIMME_V; |
| 3723 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
| 79072805 | 3724 | SV *sv; |
| 5f05dabc | 3725 | HV *hv; |
| 3726 | ||
| 533c011a | 3727 | if (PL_op->op_private & OPpSLICE) { |
| 5f05dabc | 3728 | dMARK; dORIGMARK; |
| 97fcbf96 | 3729 | U32 hvtype; |
| 5f05dabc | 3730 | hv = (HV*)POPs; |
| 97fcbf96 | 3731 | hvtype = SvTYPE(hv); |
| 01020589 GS |
3732 | if (hvtype == SVt_PVHV) { /* hash element */ |
| 3733 | while (++MARK <= SP) { | |
| ae77835f | 3734 | sv = hv_delete_ent(hv, *MARK, discard, 0); |
| 01020589 GS |
3735 | *MARK = sv ? sv : &PL_sv_undef; |
| 3736 | } | |
| 5f05dabc | 3737 | } |
| 01020589 GS |
3738 | else if (hvtype == SVt_PVAV) { |
| 3739 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ | |
| 3740 | while (++MARK <= SP) { | |
| 3741 | sv = av_delete((AV*)hv, SvIV(*MARK), discard); | |
| 3742 | *MARK = sv ? sv : &PL_sv_undef; | |
| 3743 | } | |
| 3744 | } | |
| 3745 | else { /* pseudo-hash element */ | |
| 3746 | while (++MARK <= SP) { | |
| 3747 | sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0); | |
| 3748 | *MARK = sv ? sv : &PL_sv_undef; | |
| 3749 | } | |
| 3750 | } | |