https://perl5.git.perl.org / perl5.git / blame
| Commit | Line | Data |
|---|---|---|
| a0d0e21e | 1 | /* pp.c |
| 79072805 | 2 | * |
| 4bb101f2 | 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
| b94e2f88 | 4 | * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others |
| 79072805 | 5 | * |
| a0d0e21e LW |
6 | * You may distribute under the terms of either the GNU General Public |
| 7 | * License or the Artistic License, as specified in the README file. | |
| 79072805 | 8 | * |
| a0d0e21e LW |
9 | */ |
| 10 | ||
| 11 | /* | |
| 12 | * "It's a big house this, and very peculiar. Always a bit more to discover, | |
| 13 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise | |
| 14 | */ | |
| 79072805 | 15 | |
| 166f8a29 DM |
16 | /* This file contains general pp ("push/pop") functions that execute the |
| 17 | * opcodes that make up a perl program. A typical pp function expects to | |
| 18 | * find its arguments on the stack, and usually pushes its results onto | |
| 19 | * the stack, hence the 'pp' terminology. Each OP structure contains | |
| 20 | * a pointer to the relevant pp_foo() function. | |
| 21 | */ | |
| 22 | ||
| 79072805 | 23 | #include "EXTERN.h" |
| 864dbfa3 | 24 | #define PERL_IN_PP_C |
| 79072805 | 25 | #include "perl.h" |
| 77bc9082 | 26 | #include "keywords.h" |
| 79072805 | 27 | |
| a4af207c JH |
28 | #include "reentr.h" |
| 29 | ||
| dfe9444c AD |
30 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ |
| 31 | it, since pid_t is an integral type. | |
| 32 | --AD 2/20/1998 | |
| 33 | */ | |
| 34 | #ifdef NEED_GETPID_PROTO | |
| 35 | extern Pid_t getpid (void); | |
| 8ac85365 NIS |
36 | #endif |
| 37 | ||
| 0630166f SP |
38 | /* |
| 39 | * Some BSDs and Cygwin default to POSIX math instead of IEEE. | |
| 40 | * This switches them over to IEEE. | |
| 41 | */ | |
| 42 | #if defined(LIBM_LIB_VERSION) | |
| 43 | _LIB_VERSION_TYPE _LIB_VERSION = _IEEE_; | |
| 44 | #endif | |
| 45 | ||
| 13017935 SM |
46 | /* variations on pp_null */ |
| 47 | ||
| 93a17b20 LW |
48 | PP(pp_stub) |
| 49 | { | |
| 97aff369 | 50 | dVAR; |
| 39644a26 | 51 | dSP; |
| 54310121 | 52 | if (GIMME_V == G_SCALAR) |
| 3280af22 | 53 | XPUSHs(&PL_sv_undef); |
| 93a17b20 LW |
54 | RETURN; |
| 55 | } | |
| 56 | ||
| 79072805 LW |
57 | /* Pushy stuff. */ |
| 58 | ||
| 93a17b20 LW |
59 | PP(pp_padav) |
| 60 | { | |
| 97aff369 | 61 | dVAR; dSP; dTARGET; |
| 13017935 | 62 | I32 gimme; |
| 533c011a | 63 | if (PL_op->op_private & OPpLVAL_INTRO) |
| dd2155a4 | 64 | SAVECLEARSV(PAD_SVl(PL_op->op_targ)); |
| 85e6fe83 | 65 | EXTEND(SP, 1); |
| 533c011a | 66 | if (PL_op->op_flags & OPf_REF) { |
| 85e6fe83 | 67 | PUSHs(TARG); |
| 93a17b20 | 68 | RETURN; |
| 78f9721b SM |
69 | } else if (LVRET) { |
| 70 | if (GIMME == G_SCALAR) | |
| 71 | Perl_croak(aTHX_ "Can't return array to lvalue scalar context"); | |
| 72 | PUSHs(TARG); | |
| 73 | RETURN; | |
| 85e6fe83 | 74 | } |
| 13017935 SM |
75 | gimme = GIMME_V; |
| 76 | if (gimme == G_ARRAY) { | |
| f54cb97a | 77 | const I32 maxarg = AvFILL((AV*)TARG) + 1; |
| 85e6fe83 | 78 | EXTEND(SP, maxarg); |
| 93965878 NIS |
79 | if (SvMAGICAL(TARG)) { |
| 80 | U32 i; | |
| eb160463 | 81 | for (i=0; i < (U32)maxarg; i++) { |
| 0bd48802 | 82 | SV * const * const svp = av_fetch((AV*)TARG, i, FALSE); |
| 3280af22 | 83 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
| 93965878 NIS |
84 | } |
| 85 | } | |
| 86 | else { | |
| 87 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
| 88 | } | |
| 85e6fe83 LW |
89 | SP += maxarg; |
| 90 | } | |
| 13017935 | 91 | else if (gimme == G_SCALAR) { |
| 1b6737cc | 92 | SV* const sv = sv_newmortal(); |
| f54cb97a | 93 | const I32 maxarg = AvFILL((AV*)TARG) + 1; |
| 85e6fe83 LW |
94 | sv_setiv(sv, maxarg); |
| 95 | PUSHs(sv); | |
| 96 | } | |
| 97 | RETURN; | |
| 93a17b20 LW |
98 | } |
| 99 | ||
| 100 | PP(pp_padhv) | |
| 101 | { | |
| 97aff369 | 102 | dVAR; dSP; dTARGET; |
| 54310121 | 103 | I32 gimme; |
| 104 | ||
| 93a17b20 | 105 | XPUSHs(TARG); |
| 533c011a | 106 | if (PL_op->op_private & OPpLVAL_INTRO) |
| dd2155a4 | 107 | SAVECLEARSV(PAD_SVl(PL_op->op_targ)); |
| 533c011a | 108 | if (PL_op->op_flags & OPf_REF) |
| 93a17b20 | 109 | RETURN; |
| 78f9721b SM |
110 | else if (LVRET) { |
| 111 | if (GIMME == G_SCALAR) | |
| 112 | Perl_croak(aTHX_ "Can't return hash to lvalue scalar context"); | |
| 113 | RETURN; | |
| 114 | } | |
| 54310121 | 115 | gimme = GIMME_V; |
| 116 | if (gimme == G_ARRAY) { | |
| cea2e8a9 | 117 | RETURNOP(do_kv()); |
| 85e6fe83 | 118 | } |
| 54310121 | 119 | else if (gimme == G_SCALAR) { |
| 1b6737cc | 120 | SV* const sv = Perl_hv_scalar(aTHX_ (HV*)TARG); |
| 85e6fe83 | 121 | SETs(sv); |
| 85e6fe83 | 122 | } |
| 54310121 | 123 | RETURN; |
| 93a17b20 LW |
124 | } |
| 125 | ||
| 79072805 LW |
126 | /* Translations. */ |
| 127 | ||
| 128 | PP(pp_rv2gv) | |
| 129 | { | |
| 97aff369 | 130 | dVAR; dSP; dTOPss; |
| 8ec5e241 | 131 | |
| ed6116ce | 132 | if (SvROK(sv)) { |
| a0d0e21e | 133 | wasref: |
| f5284f61 IZ |
134 | tryAMAGICunDEREF(to_gv); |
| 135 | ||
| ed6116ce | 136 | sv = SvRV(sv); |
| b1dadf13 | 137 | if (SvTYPE(sv) == SVt_PVIO) { |
| 1b6737cc | 138 | GV * const gv = (GV*) sv_newmortal(); |
| b1dadf13 | 139 | gv_init(gv, 0, "", 0, 0); |
| 140 | GvIOp(gv) = (IO *)sv; | |
| 3e3baf6d | 141 | (void)SvREFCNT_inc(sv); |
| b1dadf13 | 142 | sv = (SV*) gv; |
| ef54e1a4 JH |
143 | } |
| 144 | else if (SvTYPE(sv) != SVt_PVGV) | |
| cea2e8a9 | 145 | DIE(aTHX_ "Not a GLOB reference"); |
| 79072805 LW |
146 | } |
| 147 | else { | |
| 93a17b20 | 148 | if (SvTYPE(sv) != SVt_PVGV) { |
| a0d0e21e LW |
149 | if (SvGMAGICAL(sv)) { |
| 150 | mg_get(sv); | |
| 151 | if (SvROK(sv)) | |
| 152 | goto wasref; | |
| 153 | } | |
| afd1915d | 154 | if (!SvOK(sv) && sv != &PL_sv_undef) { |
| b13b2135 | 155 | /* If this is a 'my' scalar and flag is set then vivify |
| 853846ea | 156 | * NI-S 1999/05/07 |
| b13b2135 | 157 | */ |
| ac53db4c DM |
158 | if (SvREADONLY(sv)) |
| 159 | Perl_croak(aTHX_ PL_no_modify); | |
| 1d8d4d2a | 160 | if (PL_op->op_private & OPpDEREF) { |
| 2c8ac474 GS |
161 | GV *gv; |
| 162 | if (cUNOP->op_targ) { | |
| 163 | STRLEN len; | |
| 0bd48802 AL |
164 | SV * const namesv = PAD_SV(cUNOP->op_targ); |
| 165 | const char * const name = SvPV(namesv, len); | |
| 561b68a9 | 166 | gv = (GV*)newSV(0); |
| 2c8ac474 GS |
167 | gv_init(gv, CopSTASH(PL_curcop), name, len, 0); |
| 168 | } | |
| 169 | else { | |
| 0bd48802 | 170 | const char * const name = CopSTASHPV(PL_curcop); |
| 2c8ac474 | 171 | gv = newGVgen(name); |
| 1d8d4d2a | 172 | } |
| b13b2135 NIS |
173 | if (SvTYPE(sv) < SVt_RV) |
| 174 | sv_upgrade(sv, SVt_RV); | |
| b15aece3 | 175 | if (SvPVX_const(sv)) { |
| 8bd4d4c5 | 176 | SvPV_free(sv); |
| b162af07 SP |
177 | SvLEN_set(sv, 0); |
| 178 | SvCUR_set(sv, 0); | |
| 8f3c2c0c | 179 | } |
| b162af07 | 180 | SvRV_set(sv, (SV*)gv); |
| 853846ea | 181 | SvROK_on(sv); |
| 1d8d4d2a | 182 | SvSETMAGIC(sv); |
| 853846ea | 183 | goto wasref; |
| 2c8ac474 | 184 | } |
| 533c011a NIS |
185 | if (PL_op->op_flags & OPf_REF || |
| 186 | PL_op->op_private & HINT_STRICT_REFS) | |
| cea2e8a9 | 187 | DIE(aTHX_ PL_no_usym, "a symbol"); |
| 599cee73 | 188 | if (ckWARN(WARN_UNINITIALIZED)) |
| 29489e7c | 189 | report_uninit(sv); |
| a0d0e21e LW |
190 | RETSETUNDEF; |
| 191 | } | |
| 35cd451c GS |
192 | if ((PL_op->op_flags & OPf_SPECIAL) && |
| 193 | !(PL_op->op_flags & OPf_MOD)) | |
| 194 | { | |
| f776e3cd | 195 | SV * const temp = (SV*)gv_fetchsv(sv, 0, SVt_PVGV); |
| 7a5fd60d NC |
196 | if (!temp |
| 197 | && (!is_gv_magical_sv(sv,0) | |
| f776e3cd | 198 | || !(sv = (SV*)gv_fetchsv(sv, GV_ADD, SVt_PVGV)))) { |
| 35cd451c | 199 | RETSETUNDEF; |
| c9d5ac95 | 200 | } |
| 7a5fd60d | 201 | sv = temp; |
| 35cd451c GS |
202 | } |
| 203 | else { | |
| 204 | if (PL_op->op_private & HINT_STRICT_REFS) | |
| 7a5fd60d | 205 | DIE(aTHX_ PL_no_symref_sv, sv, "a symbol"); |
| e26df76a NC |
206 | if ((PL_op->op_private & (OPpLVAL_INTRO|OPpDONT_INIT_GV)) |
| 207 | == OPpDONT_INIT_GV) { | |
| 208 | /* We are the target of a coderef assignment. Return | |
| 209 | the scalar unchanged, and let pp_sasssign deal with | |
| 210 | things. */ | |
| 211 | RETURN; | |
| 212 | } | |
| f776e3cd | 213 | sv = (SV*)gv_fetchsv(sv, GV_ADD, SVt_PVGV); |
| 35cd451c | 214 | } |
| 93a17b20 | 215 | } |
| 79072805 | 216 | } |
| 533c011a NIS |
217 | if (PL_op->op_private & OPpLVAL_INTRO) |
| 218 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); | |
| 79072805 LW |
219 | SETs(sv); |
| 220 | RETURN; | |
| 221 | } | |
| 222 | ||
| 79072805 LW |
223 | PP(pp_rv2sv) |
| 224 | { | |
| 97aff369 | 225 | dVAR; dSP; dTOPss; |
| c445ea15 | 226 | GV *gv = NULL; |
| 79072805 | 227 | |
| ed6116ce | 228 | if (SvROK(sv)) { |
| a0d0e21e | 229 | wasref: |
| f5284f61 IZ |
230 | tryAMAGICunDEREF(to_sv); |
| 231 | ||
| ed6116ce | 232 | sv = SvRV(sv); |
| 79072805 LW |
233 | switch (SvTYPE(sv)) { |
| 234 | case SVt_PVAV: | |
| 235 | case SVt_PVHV: | |
| 236 | case SVt_PVCV: | |
| cea2e8a9 | 237 | DIE(aTHX_ "Not a SCALAR reference"); |
| 79072805 LW |
238 | } |
| 239 | } | |
| 240 | else { | |
| 82d03984 | 241 | gv = (GV*)sv; |
| 748a9306 | 242 | |
| 463ee0b2 | 243 | if (SvTYPE(gv) != SVt_PVGV) { |
| a0d0e21e LW |
244 | if (SvGMAGICAL(sv)) { |
| 245 | mg_get(sv); | |
| 246 | if (SvROK(sv)) | |
| 247 | goto wasref; | |
| 248 | } | |
| 2e6a7e23 RGS |
249 | if (PL_op->op_private & HINT_STRICT_REFS) { |
| 250 | if (SvOK(sv)) | |
| 251 | DIE(aTHX_ PL_no_symref_sv, sv, "a SCALAR"); | |
| 252 | else | |
| 253 | DIE(aTHX_ PL_no_usym, "a SCALAR"); | |
| 254 | } | |
| a0d0e21e | 255 | if (!SvOK(sv)) { |
| 2e6a7e23 | 256 | if (PL_op->op_flags & OPf_REF) |
| cea2e8a9 | 257 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
| 599cee73 | 258 | if (ckWARN(WARN_UNINITIALIZED)) |
| 29489e7c | 259 | report_uninit(sv); |
| a0d0e21e LW |
260 | RETSETUNDEF; |
| 261 | } | |
| 35cd451c GS |
262 | if ((PL_op->op_flags & OPf_SPECIAL) && |
| 263 | !(PL_op->op_flags & OPf_MOD)) | |
| 264 | { | |
| f776e3cd | 265 | gv = (GV*)gv_fetchsv(sv, 0, SVt_PV); |
| c9d5ac95 | 266 | if (!gv |
| 7a5fd60d | 267 | && (!is_gv_magical_sv(sv, 0) |
| f776e3cd | 268 | || !(gv = (GV*)gv_fetchsv(sv, GV_ADD, SVt_PV)))) |
| c9d5ac95 | 269 | { |
| 35cd451c | 270 | RETSETUNDEF; |
| c9d5ac95 | 271 | } |
| 35cd451c GS |
272 | } |
| 273 | else { | |
| f776e3cd | 274 | gv = (GV*)gv_fetchsv(sv, GV_ADD, SVt_PV); |
| 35cd451c | 275 | } |
| 463ee0b2 | 276 | } |
| 29c711a3 | 277 | sv = GvSVn(gv); |
| a0d0e21e | 278 | } |
| 533c011a | 279 | if (PL_op->op_flags & OPf_MOD) { |
| 82d03984 RGS |
280 | if (PL_op->op_private & OPpLVAL_INTRO) { |
| 281 | if (cUNOP->op_first->op_type == OP_NULL) | |
| 282 | sv = save_scalar((GV*)TOPs); | |
| 283 | else if (gv) | |
| 284 | sv = save_scalar(gv); | |
| 285 | else | |
| 286 | Perl_croak(aTHX_ PL_no_localize_ref); | |
| 287 | } | |
| 533c011a NIS |
288 | else if (PL_op->op_private & OPpDEREF) |
| 289 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
| 79072805 | 290 | } |
| a0d0e21e | 291 | SETs(sv); |
| 79072805 LW |
292 | RETURN; |
| 293 | } | |
| 294 | ||
| 295 | PP(pp_av2arylen) | |
| 296 | { | |
| 97aff369 | 297 | dVAR; dSP; |
| 1b6737cc AL |
298 | AV * const av = (AV*)TOPs; |
| 299 | SV ** const sv = Perl_av_arylen_p(aTHX_ (AV*)av); | |
| a3874608 | 300 | if (!*sv) { |
| 561b68a9 | 301 | *sv = newSV(0); |
| a3874608 | 302 | sv_upgrade(*sv, SVt_PVMG); |
| c445ea15 | 303 | sv_magic(*sv, (SV*)av, PERL_MAGIC_arylen, NULL, 0); |
| 79072805 | 304 | } |
| a3874608 | 305 | SETs(*sv); |
| 79072805 LW |
306 | RETURN; |
| 307 | } | |
| 308 | ||
| a0d0e21e LW |
309 | PP(pp_pos) |
| 310 | { | |
| 97aff369 | 311 | dVAR; dSP; dTARGET; dPOPss; |
| 8ec5e241 | 312 | |
| 78f9721b | 313 | if (PL_op->op_flags & OPf_MOD || LVRET) { |
| 5f05dabc | 314 | if (SvTYPE(TARG) < SVt_PVLV) { |
| 315 | sv_upgrade(TARG, SVt_PVLV); | |
| c445ea15 | 316 | sv_magic(TARG, NULL, PERL_MAGIC_pos, NULL, 0); |
| 5f05dabc | 317 | } |
| 318 | ||
| 319 | LvTYPE(TARG) = '.'; | |
| 6ff81951 GS |
320 | if (LvTARG(TARG) != sv) { |
| 321 | if (LvTARG(TARG)) | |
| 322 | SvREFCNT_dec(LvTARG(TARG)); | |
| 323 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
| 324 | } | |
| a0d0e21e LW |
325 | PUSHs(TARG); /* no SvSETMAGIC */ |
| 326 | RETURN; | |
| 327 | } | |
| 328 | else { | |
| a0d0e21e | 329 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
| 1b6737cc | 330 | const MAGIC * const mg = mg_find(sv, PERL_MAGIC_regex_global); |
| 565764a8 | 331 | if (mg && mg->mg_len >= 0) { |
| a0ed51b3 | 332 | I32 i = mg->mg_len; |
| 7e2040f0 | 333 | if (DO_UTF8(sv)) |
| a0ed51b3 LW |
334 | sv_pos_b2u(sv, &i); |
| 335 | PUSHi(i + PL_curcop->cop_arybase); | |
| a0d0e21e LW |
336 | RETURN; |
| 337 | } | |
| 338 | } | |
| 339 | RETPUSHUNDEF; | |
| 340 | } | |
| 341 | } | |
| 342 | ||
| 79072805 LW |
343 | PP(pp_rv2cv) |
| 344 | { | |
| 97aff369 | 345 | dVAR; dSP; |
| 79072805 LW |
346 | GV *gv; |
| 347 | HV *stash; | |
| c445ea15 AL |
348 | const I32 flags = (PL_op->op_flags & OPf_SPECIAL) |
| 349 | ? 0 | |
| 350 | : ((PL_op->op_private & (OPpLVAL_INTRO|OPpMAY_RETURN_CONSTANT)) == OPpMAY_RETURN_CONSTANT) | |
| 351 | ? GV_ADD|GV_NOEXPAND | |
| 352 | : GV_ADD; | |
| 4633a7c4 LW |
353 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
| 354 | /* (But not in defined().) */ | |
| e26df76a NC |
355 | |
| 356 | CV *cv = sv_2cv(TOPs, &stash, &gv, flags); | |
| 07055b4c CS |
357 | if (cv) { |
| 358 | if (CvCLONE(cv)) | |
| 359 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
| d32f2495 SC |
360 | if ((PL_op->op_private & OPpLVAL_INTRO)) { |
| 361 | if (gv && GvCV(gv) == cv && (gv = gv_autoload4(GvSTASH(gv), GvNAME(gv), GvNAMELEN(gv), FALSE))) | |
| 362 | cv = GvCV(gv); | |
| 363 | if (!CvLVALUE(cv)) | |
| 364 | DIE(aTHX_ "Can't modify non-lvalue subroutine call"); | |
| 365 | } | |
| 07055b4c | 366 | } |
| e26df76a NC |
367 | else if ((flags == (GV_ADD|GV_NOEXPAND)) && gv && SvROK(gv)) { |
| 368 | cv = (CV*)gv; | |
| 369 | } | |
| 07055b4c | 370 | else |
| 3280af22 | 371 | cv = (CV*)&PL_sv_undef; |
| 79072805 LW |
372 | SETs((SV*)cv); |
| 373 | RETURN; | |
| 374 | } | |
| 375 | ||
| c07a80fd | 376 | PP(pp_prototype) |
| 377 | { | |
| 97aff369 | 378 | dVAR; dSP; |
| c07a80fd | 379 | CV *cv; |
| 380 | HV *stash; | |
| 381 | GV *gv; | |
| fabdb6c0 | 382 | SV *ret = &PL_sv_undef; |
| c07a80fd | 383 | |
| b6c543e3 | 384 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
| 0bd48802 | 385 | const char * const s = SvPVX_const(TOPs); |
| b6c543e3 | 386 | if (strnEQ(s, "CORE::", 6)) { |
| f54cb97a | 387 | const int code = keyword(s + 6, SvCUR(TOPs) - 6); |
| b6c543e3 IZ |
388 | if (code < 0) { /* Overridable. */ |
| 389 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
| 390 | int i = 0, n = 0, seen_question = 0; | |
| 391 | I32 oa; | |
| 392 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
| 393 | ||
| bdf1bb36 RGS |
394 | if (code == -KEY_chop || code == -KEY_chomp |
| 395 | || code == -KEY_exec || code == -KEY_system) | |
| 77bc9082 | 396 | goto set; |
| b6c543e3 | 397 | while (i < MAXO) { /* The slow way. */ |
| 22c35a8c GS |
398 | if (strEQ(s + 6, PL_op_name[i]) |
| 399 | || strEQ(s + 6, PL_op_desc[i])) | |
| 400 | { | |
| b6c543e3 | 401 | goto found; |
| 22c35a8c | 402 | } |
| b6c543e3 IZ |
403 | i++; |
| 404 | } | |
| 405 | goto nonesuch; /* Should not happen... */ | |
| 406 | found: | |
| 22c35a8c | 407 | oa = PL_opargs[i] >> OASHIFT; |
| b6c543e3 | 408 | while (oa) { |
| 3012a639 | 409 | if (oa & OA_OPTIONAL && !seen_question) { |
| b6c543e3 IZ |
410 | seen_question = 1; |
| 411 | str[n++] = ';'; | |
| ef54e1a4 | 412 | } |
| b13b2135 | 413 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF |
| 6e97e420 SC |
414 | && (oa & (OA_OPTIONAL - 1)) <= OA_SCALARREF |
| 415 | /* But globs are already references (kinda) */ | |
| 416 | && (oa & (OA_OPTIONAL - 1)) != OA_FILEREF | |
| 417 | ) { | |
| b6c543e3 IZ |
418 | str[n++] = '\\'; |
| 419 | } | |
| b6c543e3 IZ |
420 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; |
| 421 | oa = oa >> 4; | |
| 422 | } | |
| 423 | str[n++] = '\0'; | |
| 79cb57f6 | 424 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
| ef54e1a4 JH |
425 | } |
| 426 | else if (code) /* Non-Overridable */ | |
| b6c543e3 IZ |
427 | goto set; |
| 428 | else { /* None such */ | |
| 429 | nonesuch: | |
| d470f89e | 430 | DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
| b6c543e3 IZ |
431 | } |
| 432 | } | |
| 433 | } | |
| f2c0649b | 434 | cv = sv_2cv(TOPs, &stash, &gv, 0); |
| 5f05dabc | 435 | if (cv && SvPOK(cv)) |
| b15aece3 | 436 | ret = sv_2mortal(newSVpvn(SvPVX_const(cv), SvCUR(cv))); |
| b6c543e3 | 437 | set: |
| c07a80fd | 438 | SETs(ret); |
| 439 | RETURN; | |
| 440 | } | |
| 441 | ||
| a0d0e21e LW |
442 | PP(pp_anoncode) |
| 443 | { | |
| 97aff369 | 444 | dVAR; dSP; |
| dd2155a4 | 445 | CV* cv = (CV*)PAD_SV(PL_op->op_targ); |
| a5f75d66 | 446 | if (CvCLONE(cv)) |
| b355b4e0 | 447 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
| 5f05dabc | 448 | EXTEND(SP,1); |
| 748a9306 | 449 | PUSHs((SV*)cv); |
| a0d0e21e LW |
450 | RETURN; |
| 451 | } | |
| 452 | ||
| 453 | PP(pp_srefgen) | |
| 79072805 | 454 | { |
| 97aff369 | 455 | dVAR; dSP; |
| 71be2cbc | 456 | *SP = refto(*SP); |
| 79072805 | 457 | RETURN; |
| 8ec5e241 | 458 | } |
| a0d0e21e LW |
459 | |
| 460 | PP(pp_refgen) | |
| 461 | { | |
| 97aff369 | 462 | dVAR; dSP; dMARK; |
| a0d0e21e | 463 | if (GIMME != G_ARRAY) { |
| 5f0b1d4e GS |
464 | if (++MARK <= SP) |
| 465 | *MARK = *SP; | |
| 466 | else | |
| 3280af22 | 467 | *MARK = &PL_sv_undef; |
| 5f0b1d4e GS |
468 | *MARK = refto(*MARK); |
| 469 | SP = MARK; | |
| 470 | RETURN; | |
| a0d0e21e | 471 | } |
| bbce6d69 | 472 | EXTEND_MORTAL(SP - MARK); |
| 71be2cbc | 473 | while (++MARK <= SP) |
| 474 | *MARK = refto(*MARK); | |
| a0d0e21e | 475 | RETURN; |
| 79072805 LW |
476 | } |
| 477 | ||
| 76e3520e | 478 | STATIC SV* |
| cea2e8a9 | 479 | S_refto(pTHX_ SV *sv) |
| 71be2cbc | 480 | { |
| 97aff369 | 481 | dVAR; |
| 71be2cbc | 482 | SV* rv; |
| 483 | ||
| 484 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
| 485 | if (LvTARGLEN(sv)) | |
| 68dc0745 | 486 | vivify_defelem(sv); |
| 487 | if (!(sv = LvTARG(sv))) | |
| 3280af22 | 488 | sv = &PL_sv_undef; |
| 0dd88869 | 489 | else |
| a6c40364 | 490 | (void)SvREFCNT_inc(sv); |
| 71be2cbc | 491 | } |
| d8b46c1b GS |
492 | else if (SvTYPE(sv) == SVt_PVAV) { |
| 493 | if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv)) | |
| 494 | av_reify((AV*)sv); | |
| 495 | SvTEMP_off(sv); | |
| 496 | (void)SvREFCNT_inc(sv); | |
| 497 | } | |
| f2933f5f DM |
498 | else if (SvPADTMP(sv) && !IS_PADGV(sv)) |
| 499 | sv = newSVsv(sv); | |
| 71be2cbc | 500 | else { |
| 501 | SvTEMP_off(sv); | |
| 502 | (void)SvREFCNT_inc(sv); | |
| 503 | } | |
| 504 | rv = sv_newmortal(); | |
| 505 | sv_upgrade(rv, SVt_RV); | |
| b162af07 | 506 | SvRV_set(rv, sv); |
| 71be2cbc | 507 | SvROK_on(rv); |
| 508 | return rv; | |
| 509 | } | |
| 510 | ||
| 79072805 LW |
511 | PP(pp_ref) |
| 512 | { | |
| 97aff369 | 513 | dVAR; dSP; dTARGET; |
| e1ec3a88 | 514 | const char *pv; |
| 1b6737cc | 515 | SV * const sv = POPs; |
| f12c7020 | 516 | |
| 5b295bef RD |
517 | if (sv) |
| 518 | SvGETMAGIC(sv); | |
| f12c7020 | 519 | |
| a0d0e21e | 520 | if (!sv || !SvROK(sv)) |
| 4633a7c4 | 521 | RETPUSHNO; |
| 79072805 | 522 | |
| 1b6737cc | 523 | pv = sv_reftype(SvRV(sv),TRUE); |
| 463ee0b2 | 524 | PUSHp(pv, strlen(pv)); |
| 79072805 LW |
525 | RETURN; |
| 526 | } | |
| 527 | ||
| 528 | PP(pp_bless) | |
| 529 | { | |
| 97aff369 | 530 | dVAR; dSP; |
| 463ee0b2 | 531 | HV *stash; |
| 79072805 | 532 | |
| 463ee0b2 | 533 | if (MAXARG == 1) |
| 11faa288 | 534 | stash = CopSTASH(PL_curcop); |
| 7b8d334a | 535 | else { |
| 1b6737cc | 536 | SV * const ssv = POPs; |
| 7b8d334a | 537 | STRLEN len; |
| e1ec3a88 | 538 | const char *ptr; |
| 81689caa | 539 | |
| 016a42f3 | 540 | if (ssv && !SvGMAGICAL(ssv) && !SvAMAGIC(ssv) && SvROK(ssv)) |
| 81689caa | 541 | Perl_croak(aTHX_ "Attempt to bless into a reference"); |
| 5c144d81 | 542 | ptr = SvPV_const(ssv,len); |
| 041457d9 | 543 | if (len == 0 && ckWARN(WARN_MISC)) |
| 9014280d | 544 | Perl_warner(aTHX_ packWARN(WARN_MISC), |
| 599cee73 | 545 | "Explicit blessing to '' (assuming package main)"); |
| 7b8d334a GS |
546 | stash = gv_stashpvn(ptr, len, TRUE); |
| 547 | } | |
| a0d0e21e | 548 | |
| 5d3fdfeb | 549 | (void)sv_bless(TOPs, stash); |
| 79072805 LW |
550 | RETURN; |
| 551 | } | |
| 552 | ||
| fb73857a | 553 | PP(pp_gelem) |
| 554 | { | |
| 97aff369 | 555 | dVAR; dSP; |
| b13b2135 | 556 | |
| 1b6737cc AL |
557 | SV *sv = POPs; |
| 558 | const char * const elem = SvPV_nolen_const(sv); | |
| 559 | GV * const gv = (GV*)POPs; | |
| c445ea15 | 560 | SV * tmpRef = NULL; |
| 1b6737cc | 561 | |
| c445ea15 | 562 | sv = NULL; |
| c4ba80c3 NC |
563 | if (elem) { |
| 564 | /* elem will always be NUL terminated. */ | |
| 1b6737cc | 565 | const char * const second_letter = elem + 1; |
| c4ba80c3 NC |
566 | switch (*elem) { |
| 567 | case 'A': | |
| 1b6737cc | 568 | if (strEQ(second_letter, "RRAY")) |
| c4ba80c3 NC |
569 | tmpRef = (SV*)GvAV(gv); |
| 570 | break; | |
| 571 | case 'C': | |
| 1b6737cc | 572 | if (strEQ(second_letter, "ODE")) |
| c4ba80c3 NC |
573 | tmpRef = (SV*)GvCVu(gv); |
| 574 | break; | |
| 575 | case 'F': | |
| 1b6737cc | 576 | if (strEQ(second_letter, "ILEHANDLE")) { |
| c4ba80c3 NC |
577 | /* finally deprecated in 5.8.0 */ |
| 578 | deprecate("*glob{FILEHANDLE}"); | |
| 579 | tmpRef = (SV*)GvIOp(gv); | |
| 580 | } | |
| 581 | else | |
| 1b6737cc | 582 | if (strEQ(second_letter, "ORMAT")) |
| c4ba80c3 NC |
583 | tmpRef = (SV*)GvFORM(gv); |
| 584 | break; | |
| 585 | case 'G': | |
| 1b6737cc | 586 | if (strEQ(second_letter, "LOB")) |
| c4ba80c3 NC |
587 | tmpRef = (SV*)gv; |
| 588 | break; | |
| 589 | case 'H': | |
| 1b6737cc | 590 | if (strEQ(second_letter, "ASH")) |
| c4ba80c3 NC |
591 | tmpRef = (SV*)GvHV(gv); |
| 592 | break; | |
| 593 | case 'I': | |
| 1b6737cc | 594 | if (*second_letter == 'O' && !elem[2]) |
| c4ba80c3 NC |
595 | tmpRef = (SV*)GvIOp(gv); |
| 596 | break; | |
| 597 | case 'N': | |
| 1b6737cc | 598 | if (strEQ(second_letter, "AME")) |
| c4ba80c3 NC |
599 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
| 600 | break; | |
| 601 | case 'P': | |
| 1b6737cc | 602 | if (strEQ(second_letter, "ACKAGE")) { |
| 7fa3a4ab NC |
603 | const HV * const stash = GvSTASH(gv); |
| 604 | const HEK * const hek = stash ? HvNAME_HEK(stash) : NULL; | |
| 396482e1 | 605 | sv = hek ? newSVhek(hek) : newSVpvs("__ANON__"); |
| c4ba80c3 NC |
606 | } |
| 607 | break; | |
| 608 | case 'S': | |
| 1b6737cc | 609 | if (strEQ(second_letter, "CALAR")) |
| f9d52e31 | 610 | tmpRef = GvSVn(gv); |
| c4ba80c3 | 611 | break; |
| 39b99f21 | 612 | } |
| fb73857a | 613 | } |
| 76e3520e GS |
614 | if (tmpRef) |
| 615 | sv = newRV(tmpRef); | |
| fb73857a | 616 | if (sv) |
| 617 | sv_2mortal(sv); | |
| 618 | else | |
| 3280af22 | 619 | sv = &PL_sv_undef; |
| fb73857a | 620 | XPUSHs(sv); |
| 621 | RETURN; | |
| 622 | } | |
| 623 | ||
| a0d0e21e | 624 | /* Pattern matching */ |
| 79072805 | 625 | |
| a0d0e21e | 626 | PP(pp_study) |
| 79072805 | 627 | { |
| 97aff369 | 628 | dVAR; dSP; dPOPss; |
| a0d0e21e LW |
629 | register unsigned char *s; |
| 630 | register I32 pos; | |
| 631 | register I32 ch; | |
| 632 | register I32 *sfirst; | |
| 633 | register I32 *snext; | |
| a0d0e21e LW |
634 | STRLEN len; |
| 635 | ||
| 3280af22 | 636 | if (sv == PL_lastscream) { |
| 1e422769 | 637 | if (SvSCREAM(sv)) |
| 638 | RETPUSHYES; | |
| 639 | } | |
| c07a80fd | 640 | else { |
| 3280af22 NIS |
641 | if (PL_lastscream) { |
| 642 | SvSCREAM_off(PL_lastscream); | |
| 643 | SvREFCNT_dec(PL_lastscream); | |
| c07a80fd | 644 | } |
| 3280af22 | 645 | PL_lastscream = SvREFCNT_inc(sv); |
| c07a80fd | 646 | } |
| 1e422769 | 647 | |
| 648 | s = (unsigned char*)(SvPV(sv, len)); | |
| 649 | pos = len; | |
| 650 | if (pos <= 0) | |
| 651 | RETPUSHNO; | |
| 3280af22 NIS |
652 | if (pos > PL_maxscream) { |
| 653 | if (PL_maxscream < 0) { | |
| 654 | PL_maxscream = pos + 80; | |
| a02a5408 JC |
655 | Newx(PL_screamfirst, 256, I32); |
| 656 | Newx(PL_screamnext, PL_maxscream, I32); | |
| 79072805 LW |
657 | } |
| 658 | else { | |
| 3280af22 NIS |
659 | PL_maxscream = pos + pos / 4; |
| 660 | Renew(PL_screamnext, PL_maxscream, I32); | |
| 79072805 | 661 | } |
| 79072805 | 662 | } |
| a0d0e21e | 663 | |
| 3280af22 NIS |
664 | sfirst = PL_screamfirst; |
| 665 | snext = PL_screamnext; | |
| a0d0e21e LW |
666 | |
| 667 | if (!sfirst || !snext) | |
| cea2e8a9 | 668 | DIE(aTHX_ "do_study: out of memory"); |
| a0d0e21e LW |
669 | |
| 670 | for (ch = 256; ch; --ch) | |
| 671 | *sfirst++ = -1; | |
| 672 | sfirst -= 256; | |
| 673 | ||
| 674 | while (--pos >= 0) { | |
| 1b6737cc | 675 | register const I32 ch = s[pos]; |
| a0d0e21e LW |
676 | if (sfirst[ch] >= 0) |
| 677 | snext[pos] = sfirst[ch] - pos; | |
| 678 | else | |
| 679 | snext[pos] = -pos; | |
| 680 | sfirst[ch] = pos; | |
| 79072805 LW |
681 | } |
| 682 | ||
| c07a80fd | 683 | SvSCREAM_on(sv); |
| 14befaf4 | 684 | /* piggyback on m//g magic */ |
| c445ea15 | 685 | sv_magic(sv, NULL, PERL_MAGIC_regex_global, NULL, 0); |
| 1e422769 | 686 | RETPUSHYES; |
| 79072805 LW |
687 | } |
| 688 | ||
| a0d0e21e | 689 | PP(pp_trans) |
| 79072805 | 690 | { |
| 97aff369 | 691 | dVAR; dSP; dTARG; |
| a0d0e21e LW |
692 | SV *sv; |
| 693 | ||
| 533c011a | 694 | if (PL_op->op_flags & OPf_STACKED) |
| a0d0e21e | 695 | sv = POPs; |
| 59f00321 RGS |
696 | else if (PL_op->op_private & OPpTARGET_MY) |
| 697 | sv = GETTARGET; | |
| 79072805 | 698 | else { |
| 54b9620d | 699 | sv = DEFSV; |
| a0d0e21e | 700 | EXTEND(SP,1); |
| 79072805 | 701 | } |
| adbc6bb1 | 702 | TARG = sv_newmortal(); |
| 4757a243 | 703 | PUSHi(do_trans(sv)); |
| a0d0e21e | 704 | RETURN; |
| 79072805 LW |
705 | } |
| 706 | ||
| a0d0e21e | 707 | /* Lvalue operators. */ |
| 79072805 | 708 | |
| a0d0e21e LW |
709 | PP(pp_schop) |
| 710 | { | |
| 97aff369 | 711 | dVAR; dSP; dTARGET; |
| a0d0e21e LW |
712 | do_chop(TARG, TOPs); |
| 713 | SETTARG; | |
| 714 | RETURN; | |
| 79072805 LW |
715 | } |
| 716 | ||
| a0d0e21e | 717 | PP(pp_chop) |
| 79072805 | 718 | { |
| 97aff369 | 719 | dVAR; dSP; dMARK; dTARGET; dORIGMARK; |
| 2ec6af5f RG |
720 | while (MARK < SP) |
| 721 | do_chop(TARG, *++MARK); | |
| 722 | SP = ORIGMARK; | |
| b59aed67 | 723 | XPUSHTARG; |
| a0d0e21e | 724 | RETURN; |
| 79072805 LW |
725 | } |
| 726 | ||
| a0d0e21e | 727 | PP(pp_schomp) |
| 79072805 | 728 | { |
| 97aff369 | 729 | dVAR; dSP; dTARGET; |
| a0d0e21e LW |
730 | SETi(do_chomp(TOPs)); |
| 731 | RETURN; | |
| 79072805 LW |
732 | } |
| 733 | ||
| a0d0e21e | 734 | PP(pp_chomp) |
| 79072805 | 735 | { |
| 97aff369 | 736 | dVAR; dSP; dMARK; dTARGET; |
| a0d0e21e | 737 | register I32 count = 0; |
| 8ec5e241 | 738 | |
| a0d0e21e LW |
739 | while (SP > MARK) |
| 740 | count += do_chomp(POPs); | |
| b59aed67 | 741 | XPUSHi(count); |
| a0d0e21e | 742 | RETURN; |
| 79072805 LW |
743 | } |
| 744 | ||
| a0d0e21e LW |
745 | PP(pp_undef) |
| 746 | { | |
| 97aff369 | 747 | dVAR; dSP; |
| a0d0e21e LW |
748 | SV *sv; |
| 749 | ||
| 533c011a | 750 | if (!PL_op->op_private) { |
| 774d564b | 751 | EXTEND(SP, 1); |
| a0d0e21e | 752 | RETPUSHUNDEF; |
| 774d564b | 753 | } |
| 79072805 | 754 | |
| a0d0e21e LW |
755 | sv = POPs; |
| 756 | if (!sv) | |
| 757 | RETPUSHUNDEF; | |
| 85e6fe83 | 758 | |
| 765f542d | 759 | SV_CHECK_THINKFIRST_COW_DROP(sv); |
| 85e6fe83 | 760 | |
| a0d0e21e LW |
761 | switch (SvTYPE(sv)) { |
| 762 | case SVt_NULL: | |
| 763 | break; | |
| 764 | case SVt_PVAV: | |
| 765 | av_undef((AV*)sv); | |
| 766 | break; | |
| 767 | case SVt_PVHV: | |
| 768 | hv_undef((HV*)sv); | |
| 769 | break; | |
| 770 | case SVt_PVCV: | |
| 041457d9 | 771 | if (cv_const_sv((CV*)sv) && ckWARN(WARN_MISC)) |
| 9014280d | 772 | Perl_warner(aTHX_ packWARN(WARN_MISC), "Constant subroutine %s undefined", |
| 54310121 | 773 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
| 9607fc9c | 774 | /* FALL THROUGH */ |
| 775 | case SVt_PVFM: | |
| 6fc92669 GS |
776 | { |
| 777 | /* let user-undef'd sub keep its identity */ | |
| 0bd48802 | 778 | GV* const gv = CvGV((CV*)sv); |
| 6fc92669 GS |
779 | cv_undef((CV*)sv); |
| 780 | CvGV((CV*)sv) = gv; | |
| 781 | } | |
| a0d0e21e | 782 | break; |
| 8e07c86e | 783 | case SVt_PVGV: |
| 44a8e56a | 784 | if (SvFAKE(sv)) |
| 3280af22 | 785 | SvSetMagicSV(sv, &PL_sv_undef); |
| 20408e3c GS |
786 | else { |
| 787 | GP *gp; | |
| 788 | gp_free((GV*)sv); | |
| a02a5408 | 789 | Newxz(gp, 1, GP); |
| 20408e3c | 790 | GvGP(sv) = gp_ref(gp); |
| 561b68a9 | 791 | GvSV(sv) = newSV(0); |
| 57843af0 | 792 | GvLINE(sv) = CopLINE(PL_curcop); |
| 20408e3c GS |
793 | GvEGV(sv) = (GV*)sv; |
| 794 | GvMULTI_on(sv); | |
| 795 | } | |
| 44a8e56a | 796 | break; |
| a0d0e21e | 797 | default: |
| b15aece3 | 798 | if (SvTYPE(sv) >= SVt_PV && SvPVX_const(sv) && SvLEN(sv)) { |
| 8bd4d4c5 | 799 | SvPV_free(sv); |
| c445ea15 | 800 | SvPV_set(sv, NULL); |
| 4633a7c4 | 801 | SvLEN_set(sv, 0); |
| a0d0e21e | 802 | } |
| 0c34ef67 | 803 | SvOK_off(sv); |
| 4633a7c4 | 804 | SvSETMAGIC(sv); |
| 79072805 | 805 | } |
| a0d0e21e LW |
806 | |
| 807 | RETPUSHUNDEF; | |
| 79072805 LW |
808 | } |
| 809 | ||
| a0d0e21e | 810 | PP(pp_predec) |
| 79072805 | 811 | { |
| 97aff369 | 812 | dVAR; dSP; |
| f39684df | 813 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
| d470f89e | 814 | DIE(aTHX_ PL_no_modify); |
| 3510b4a1 NC |
815 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
| 816 | && SvIVX(TOPs) != IV_MIN) | |
| 55497cff | 817 | { |
| 45977657 | 818 | SvIV_set(TOPs, SvIVX(TOPs) - 1); |
| 55497cff | 819 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 748a9306 LW |
820 | } |
| 821 | else | |
| 822 | sv_dec(TOPs); | |
| a0d0e21e LW |
823 | SvSETMAGIC(TOPs); |
| 824 | return NORMAL; | |
| 825 | } | |
| 79072805 | 826 | |
| a0d0e21e LW |
827 | PP(pp_postinc) |
| 828 | { | |
| 97aff369 | 829 | dVAR; dSP; dTARGET; |
| f39684df | 830 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
| d470f89e | 831 | DIE(aTHX_ PL_no_modify); |
| a0d0e21e | 832 | sv_setsv(TARG, TOPs); |
| 3510b4a1 NC |
833 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
| 834 | && SvIVX(TOPs) != IV_MAX) | |
| 55497cff | 835 | { |
| 45977657 | 836 | SvIV_set(TOPs, SvIVX(TOPs) + 1); |
| 55497cff | 837 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 748a9306 LW |
838 | } |
| 839 | else | |
| 840 | sv_inc(TOPs); | |
| a0d0e21e | 841 | SvSETMAGIC(TOPs); |
| 1e54a23f | 842 | /* special case for undef: see thread at 2003-03/msg00536.html in archive */ |
| a0d0e21e LW |
843 | if (!SvOK(TARG)) |
| 844 | sv_setiv(TARG, 0); | |
| 845 | SETs(TARG); | |
| 846 | return NORMAL; | |
| 847 | } | |
| 79072805 | 848 | |
| a0d0e21e LW |
849 | PP(pp_postdec) |
| 850 | { | |
| 97aff369 | 851 | dVAR; dSP; dTARGET; |
| f39684df | 852 | if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV) |
| d470f89e | 853 | DIE(aTHX_ PL_no_modify); |
| a0d0e21e | 854 | sv_setsv(TARG, TOPs); |
| 3510b4a1 NC |
855 | if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) |
| 856 | && SvIVX(TOPs) != IV_MIN) | |
| 55497cff | 857 | { |
| 45977657 | 858 | SvIV_set(TOPs, SvIVX(TOPs) - 1); |
| 55497cff | 859 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
| 748a9306 LW |
860 | } |
| 861 | else | |
| 862 | sv_dec(TOPs); | |
| a0d0e21e LW |
863 | SvSETMAGIC(TOPs); |
| 864 | SETs(TARG); | |
| 865 | return NORMAL; | |
| 866 | } | |
| 79072805 | 867 | |
| a0d0e21e LW |
868 | /* Ordinary operators. */ |
| 869 | ||
| 870 | PP(pp_pow) | |
| 871 | { | |
| 97aff369 | 872 | dVAR; dSP; dATARGET; |
| 58d76dfd | 873 | #ifdef PERL_PRESERVE_IVUV |
| 52a96ae6 HS |
874 | bool is_int = 0; |
| 875 | #endif | |
| 876 | tryAMAGICbin(pow,opASSIGN); | |
| 877 | #ifdef PERL_PRESERVE_IVUV | |
| 878 | /* For integer to integer power, we do the calculation by hand wherever | |
| 879 | we're sure it is safe; otherwise we call pow() and try to convert to | |
| 880 | integer afterwards. */ | |
| 58d76dfd | 881 | { |
| 900658e3 PF |
882 | SvIV_please(TOPs); |
| 883 | if (SvIOK(TOPs)) { | |
| 884 | SvIV_please(TOPm1s); | |
| 885 | if (SvIOK(TOPm1s)) { | |
| 886 | UV power; | |
| 887 | bool baseuok; | |
| 888 | UV baseuv; | |
| 889 | ||
| 890 | if (SvUOK(TOPs)) { | |
| 891 | power = SvUVX(TOPs); | |
| 892 | } else { | |
| 893 | const IV iv = SvIVX(TOPs); | |
| 894 | if (iv >= 0) { | |
| 895 | power = iv; | |
| 896 | } else { | |
| 897 | goto float_it; /* Can't do negative powers this way. */ | |
| 898 | } | |
| 899 | } | |
| 900 | ||
| 901 | baseuok = SvUOK(TOPm1s); | |
| 902 | if (baseuok) { | |
| 903 | baseuv = SvUVX(TOPm1s); | |
| 904 | } else { | |
| 905 | const IV iv = SvIVX(TOPm1s); | |
| 906 | if (iv >= 0) { | |
| 907 | baseuv = iv; | |
| 908 | baseuok = TRUE; /* effectively it's a UV now */ | |
| 909 | } else { | |
| 910 | baseuv = -iv; /* abs, baseuok == false records sign */ | |
| 911 | } | |
| 912 | } | |
| 52a96ae6 HS |
913 | /* now we have integer ** positive integer. */ |
| 914 | is_int = 1; | |
| 915 | ||
| 916 | /* foo & (foo - 1) is zero only for a power of 2. */ | |
| 58d76dfd | 917 | if (!(baseuv & (baseuv - 1))) { |
| 52a96ae6 | 918 | /* We are raising power-of-2 to a positive integer. |
| 58d76dfd JH |
919 | The logic here will work for any base (even non-integer |
| 920 | bases) but it can be less accurate than | |
| 921 | pow (base,power) or exp (power * log (base)) when the | |
| 922 | intermediate values start to spill out of the mantissa. | |
| 923 | With powers of 2 we know this can't happen. | |
| 924 | And powers of 2 are the favourite thing for perl | |
| 925 | programmers to notice ** not doing what they mean. */ | |
| 926 | NV result = 1.0; | |
| 927 | NV base = baseuok ? baseuv : -(NV)baseuv; | |
| 900658e3 PF |
928 | |
| 929 | if (power & 1) { | |
| 930 | result *= base; | |
| 931 | } | |
| 932 | while (power >>= 1) { | |
| 933 | base *= base; | |
| 934 | if (power & 1) { | |
| 935 | result *= base; | |
| 936 | } | |
| 937 | } | |
| 58d76dfd JH |
938 | SP--; |
| 939 | SETn( result ); | |
| 52a96ae6 | 940 | SvIV_please(TOPs); |
| 58d76dfd | 941 | RETURN; |
| 52a96ae6 HS |
942 | } else { |
| 943 | register unsigned int highbit = 8 * sizeof(UV); | |
| 900658e3 PF |
944 | register unsigned int diff = 8 * sizeof(UV); |
| 945 | while (diff >>= 1) { | |
| 946 | highbit -= diff; | |
| 947 | if (baseuv >> highbit) { | |
| 948 | highbit += diff; | |
| 949 | } | |
| 52a96ae6 HS |
950 | } |
| 951 | /* we now have baseuv < 2 ** highbit */ | |
| 952 | if (power * highbit <= 8 * sizeof(UV)) { | |
| 953 | /* result will definitely fit in UV, so use UV math | |
| 954 | on same algorithm as above */ | |
| 955 | register UV result = 1; | |
| 956 | register UV base = baseuv; | |
| 900658e3 PF |
957 | const bool odd_power = (bool)(power & 1); |
| 958 | if (odd_power) { | |
| 959 | result *= base; | |
| 960 | } | |
| 961 | while (power >>= 1) { | |
| 962 | base *= base; | |
| 963 | if (power & 1) { | |
| 52a96ae6 | 964 | result *= base; |
| 52a96ae6 HS |
965 | } |
| 966 | } | |
| 967 | SP--; | |
| 0615a994 | 968 | if (baseuok || !odd_power) |
| 52a96ae6 HS |
969 | /* answer is positive */ |
| 970 | SETu( result ); | |
| 971 | else if (result <= (UV)IV_MAX) | |
| 972 | /* answer negative, fits in IV */ | |
| 973 | SETi( -(IV)result ); | |
| 974 | else if (result == (UV)IV_MIN) | |
| 975 | /* 2's complement assumption: special case IV_MIN */ | |
| 976 | SETi( IV_MIN ); | |
| 977 | else | |
| 978 | /* answer negative, doesn't fit */ | |
| 979 | SETn( -(NV)result ); | |
| 980 | RETURN; | |
| 981 | } | |
| 982 | } | |
| 983 | } | |
| 984 | } | |
| 58d76dfd | 985 | } |
| 52a96ae6 | 986 | float_it: |
| 58d76dfd | 987 | #endif |
| a0d0e21e | 988 | { |
| 52a96ae6 HS |
989 | dPOPTOPnnrl; |
| 990 | SETn( Perl_pow( left, right) ); | |
| 991 | #ifdef PERL_PRESERVE_IVUV | |
| 992 | if (is_int) | |
| 993 | SvIV_please(TOPs); | |
| 994 | #endif | |
| 995 | RETURN; | |
| 93a17b20 | 996 | } |
| a0d0e21e LW |
997 | } |
| 998 | ||
| 999 | PP(pp_multiply) | |
| 1000 | { | |
| 97aff369 | 1001 | dVAR; dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
| 28e5dec8 JH |
1002 | #ifdef PERL_PRESERVE_IVUV |
| 1003 | SvIV_please(TOPs); | |
| 1004 | if (SvIOK(TOPs)) { | |
| 1005 | /* Unless the left argument is integer in range we are going to have to | |
| 1006 | use NV maths. Hence only attempt to coerce the right argument if | |
| 1007 | we know the left is integer. */ | |
| 1008 | /* Left operand is defined, so is it IV? */ | |
| 1009 | SvIV_please(TOPm1s); | |
| 1010 | if (SvIOK(TOPm1s)) { | |
| 1011 | bool auvok = SvUOK(TOPm1s); | |
| 1012 | bool buvok = SvUOK(TOPs); | |
| 1013 | const UV topmask = (~ (UV)0) << (4 * sizeof (UV)); | |
| 1014 | const UV botmask = ~((~ (UV)0) << (4 * sizeof (UV))); | |
| 1015 | UV alow; | |
| 1016 | UV ahigh; | |
| 1017 | UV blow; | |
| 1018 | UV bhigh; | |
| 1019 | ||
| 1020 | if (auvok) { | |
| 1021 | alow = SvUVX(TOPm1s); | |
| 1022 | } else { | |
| 1b6737cc | 1023 | const IV aiv = SvIVX(TOPm1s); |
| 28e5dec8 JH |
1024 | if (aiv >= 0) { |
| 1025 | alow = aiv; | |
| 1026 | auvok = TRUE; /* effectively it's a UV now */ | |
| 1027 | } else { | |
| 1028 | alow = -aiv; /* abs, auvok == false records sign */ | |
| 1029 | } | |
| 1030 | } | |
| 1031 | if (buvok) { | |
| 1032 | blow = SvUVX(TOPs); | |
| 1033 | } else { | |
| 1b6737cc | 1034 | const IV biv = SvIVX(TOPs); |
| 28e5dec8 JH |
1035 | if (biv >= 0) { |
| 1036 | blow = biv; | |
| 1037 | buvok = TRUE; /* effectively it's a UV now */ | |
| 1038 | } else { | |
| 1039 | blow = -biv; /* abs, buvok == false records sign */ | |
| 1040 | } | |
| 1041 | } | |
| 1042 | ||
| 1043 | /* If this does sign extension on unsigned it's time for plan B */ | |
| 1044 | ahigh = alow >> (4 * sizeof (UV)); | |
| 1045 | alow &= botmask; | |
| 1046 | bhigh = blow >> (4 * sizeof (UV)); | |
| 1047 | blow &= botmask; | |
| 1048 | if (ahigh && bhigh) { | |
| 1049 | /* eg 32 bit is at least 0x10000 * 0x10000 == 0x100000000 | |
| 1050 | which is overflow. Drop to NVs below. */ | |
| 1051 | } else if (!ahigh && !bhigh) { | |
| 1052 | /* eg 32 bit is at most 0xFFFF * 0xFFFF == 0xFFFE0001 | |
| 1053 | so the unsigned multiply cannot overflow. */ | |
| c445ea15 | 1054 | const UV product = alow * blow; |
| 28e5dec8 JH |
1055 | if (auvok == buvok) { |
| 1056 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
| 1057 | SP--; | |
| 1058 | SETu( product ); | |
| 1059 | RETURN; | |
| 1060 | } else if (product <= (UV)IV_MIN) { | |
| 1061 | /* 2s complement assumption that (UV)-IV_MIN is correct. */ | |
| 1062 | /* -ve result, which could overflow an IV */ | |
| 1063 | SP--; | |
| 25716404 | 1064 | SETi( -(IV)product ); |
| 28e5dec8 JH |
1065 | RETURN; |
| 1066 | } /* else drop to NVs below. */ | |
| 1067 | } else { | |
| 1068 | /* One operand is large, 1 small */ | |
| 1069 | UV product_middle; | |
| 1070 | if (bhigh) { | |
| 1071 | /* swap the operands */ | |
| 1072 | ahigh = bhigh; | |
| 1073 | bhigh = blow; /* bhigh now the temp var for the swap */ | |
| 1074 | blow = alow; | |
| 1075 | alow = bhigh; | |
| 1076 | } | |
| 1077 | /* now, ((ahigh * blow) << half_UV_len) + (alow * blow) | |
| 1078 | multiplies can't overflow. shift can, add can, -ve can. */ | |
| 1079 | product_middle = ahigh * blow; | |
| 1080 | if (!(product_middle & topmask)) { | |
| 1081 | /* OK, (ahigh * blow) won't lose bits when we shift it. */ | |
| 1082 | UV product_low; | |
| 1083 | product_middle <<= (4 * sizeof (UV)); | |
| 1084 | product_low = alow * blow; | |
| 1085 | ||
| 1086 | /* as for pp_add, UV + something mustn't get smaller. | |
| 1087 | IIRC ANSI mandates this wrapping *behaviour* for | |
| 1088 | unsigned whatever the actual representation*/ | |
| 1089 | product_low += product_middle; | |
| 1090 | if (product_low >= product_middle) { | |
| 1091 | /* didn't overflow */ | |
| 1092 | if (auvok == buvok) { | |
| 1093 | /* -ve * -ve or +ve * +ve gives a +ve result. */ | |
| 1094 | SP--; | |
| 1095 | SETu( product_low ); | |
| 1096 | RETURN; | |
| 1097 | } else if (product_low <= (UV)IV_MIN) { | |
| 1098 | /* 2s complement assumption again */ | |
| 1099 | /* -ve result, which could overflow an IV */ | |
| 1100 | SP--; | |
| 25716404 | 1101 | SETi( -(IV)product_low ); |
| 28e5dec8 JH |
1102 | RETURN; |
| 1103 | } /* else drop to NVs below. */ | |
| 1104 | } | |
| 1105 | } /* product_middle too large */ | |
| 1106 | } /* ahigh && bhigh */ | |
| 1107 | } /* SvIOK(TOPm1s) */ | |
| 1108 | } /* SvIOK(TOPs) */ | |
| 1109 | #endif | |
| a0d0e21e LW |
1110 | { |
| 1111 | dPOPTOPnnrl; | |
| 1112 | SETn( left * right ); | |
| 1113 | RETURN; | |
| 79072805 | 1114 | } |
| a0d0e21e LW |
1115 | } |
| 1116 | ||
| 1117 | PP(pp_divide) | |
| 1118 | { | |
| 97aff369 | 1119 | dVAR; dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
| 5479d192 | 1120 | /* Only try to do UV divide first |
| 68795e93 | 1121 | if ((SLOPPYDIVIDE is true) or |
| 5479d192 NC |
1122 | (PERL_PRESERVE_IVUV is true and one or both SV is a UV too large |
| 1123 | to preserve)) | |
| 1124 | The assumption is that it is better to use floating point divide | |
| 1125 | whenever possible, only doing integer divide first if we can't be sure. | |
| 1126 | If NV_PRESERVES_UV is true then we know at compile time that no UV | |
| 1127 | can be too large to preserve, so don't need to compile the code to | |
| 1128 | test the size of UVs. */ | |
| 1129 | ||
| a0d0e21e | 1130 | #ifdef SLOPPYDIVIDE |
| 5479d192 NC |
1131 | # define PERL_TRY_UV_DIVIDE |
| 1132 | /* ensure that 20./5. == 4. */ | |
| a0d0e21e | 1133 | #else |
| 5479d192 NC |
1134 | # ifdef PERL_PRESERVE_IVUV |
| 1135 | # ifndef NV_PRESERVES_UV | |
| 1136 | # define PERL_TRY_UV_DIVIDE | |
| 1137 | # endif | |
| 1138 | # endif | |
| a0d0e21e | 1139 | #endif |
| 5479d192 NC |
1140 | |
| 1141 | #ifdef PERL_TRY_UV_DIVIDE | |
| 1142 | SvIV_please(TOPs); | |
| 1143 | if (SvIOK(TOPs)) { | |
| 1144 | SvIV_please(TOPm1s); | |
| 1145 | if (SvIOK(TOPm1s)) { | |
| 1146 | bool left_non_neg = SvUOK(TOPm1s); | |
| 1147 | bool right_non_neg = SvUOK(TOPs); | |
| 1148 | UV left; | |
| 1149 | UV right; | |
| 1150 | ||
| 1151 | if (right_non_neg) { | |
| 1152 | right = SvUVX(TOPs); | |
| 1153 | } | |
| 1154 | else { | |
| 1b6737cc | 1155 | const IV biv = SvIVX(TOPs); |
| 5479d192 NC |
1156 | if (biv >= 0) { |
| 1157 | right = biv; | |
| 1158 | right_non_neg = TRUE; /* effectively it's a UV now */ | |
| 1159 | } | |
| 1160 | else { | |
| 1161 | right = -biv; | |
| 1162 | } | |
| 1163 | } | |
| 1164 | /* historically undef()/0 gives a "Use of uninitialized value" | |
| 1165 | warning before dieing, hence this test goes here. | |
| 1166 | If it were immediately before the second SvIV_please, then | |
| 1167 | DIE() would be invoked before left was even inspected, so | |
| 1168 | no inpsection would give no warning. */ | |
| 1169 | if (right == 0) | |
| 1170 | DIE(aTHX_ "Illegal division by zero"); | |
| 1171 | ||
| 1172 | if (left_non_neg) { | |
| 1173 | left = SvUVX(TOPm1s); | |
| 1174 | } | |
| 1175 | else { | |
| 1b6737cc | 1176 | const IV aiv = SvIVX(TOPm1s); |
| 5479d192 NC |
1177 | if (aiv >= 0) { |
| 1178 | left = aiv; | |
| 1179 | left_non_neg = TRUE; /* effectively it's a UV now */ | |
| 1180 | } | |
| 1181 | else { | |
| 1182 | left = -aiv; | |
| 1183 | } | |
| 1184 | } | |
| 1185 | ||
| 1186 | if (left >= right | |
| 1187 | #ifdef SLOPPYDIVIDE | |
| 1188 | /* For sloppy divide we always attempt integer division. */ | |
| 1189 | #else | |
| 1190 | /* Otherwise we only attempt it if either or both operands | |
| 1191 | would not be preserved by an NV. If both fit in NVs | |
| 0c2ee62a NC |
1192 | we fall through to the NV divide code below. However, |
| 1193 | as left >= right to ensure integer result here, we know that | |
| 1194 | we can skip the test on the right operand - right big | |
| 1195 | enough not to be preserved can't get here unless left is | |
| 1196 | also too big. */ | |
| 1197 | ||
| 1198 | && (left > ((UV)1 << NV_PRESERVES_UV_BITS)) | |
| 5479d192 NC |
1199 | #endif |
| 1200 | ) { | |
| 1201 | /* Integer division can't overflow, but it can be imprecise. */ | |
| 1b6737cc | 1202 | const UV result = left / right; |
| 5479d192 NC |
1203 | if (result * right == left) { |
| 1204 | SP--; /* result is valid */ | |
| 1205 | if (left_non_neg == right_non_neg) { | |
| 1206 | /* signs identical, result is positive. */ | |
| 1207 | SETu( result ); | |
| 1208 | RETURN; | |
| 1209 | } | |
| 1210 | /* 2s complement assumption */ | |
| 1211 | if (result <= (UV)IV_MIN) | |
| 91f3b821 | 1212 | SETi( -(IV)result ); |
| 5479d192 NC |
1213 | else { |
| 1214 | /* It's exact but too negative for IV. */ | |
| 1215 | SETn( -(NV)result ); | |
| 1216 | } | |
| 1217 | RETURN; | |
| 1218 | } /* tried integer divide but it was not an integer result */ | |
| 32fdb065 | 1219 | } /* else (PERL_ABS(result) < 1.0) or (both UVs in range for NV) */ |
| 5479d192 NC |
1220 | } /* left wasn't SvIOK */ |
| 1221 | } /* right wasn't SvIOK */ | |
| 1222 | #endif /* PERL_TRY_UV_DIVIDE */ | |
| 1223 | { | |
| 1224 | dPOPPOPnnrl; | |
| 1225 | if (right == 0.0) | |
| 1226 | DIE(aTHX_ "Illegal division by zero"); | |
| 1227 | PUSHn( left / right ); | |
| 1228 | RETURN; | |
| 79072805 | 1229 | } |
| a0d0e21e LW |
1230 | } |
| 1231 | ||
| 1232 | PP(pp_modulo) | |
| 1233 | { | |
| 97aff369 | 1234 | dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
| a0d0e21e | 1235 | { |
| 9c5ffd7c JH |
1236 | UV left = 0; |
| 1237 | UV right = 0; | |
| dc656993 JH |
1238 | bool left_neg = FALSE; |
| 1239 | bool right_neg = FALSE; | |
| e2c88acc NC |
1240 | bool use_double = FALSE; |
| 1241 | bool dright_valid = FALSE; | |
| 9c5ffd7c JH |
1242 | NV dright = 0.0; |
| 1243 | NV dleft = 0.0; | |
| 787eafbd | 1244 | |
| e2c88acc NC |
1245 | SvIV_please(TOPs); |
| 1246 | if (SvIOK(TOPs)) { | |
| 1247 | right_neg = !SvUOK(TOPs); | |
| 1248 | if (!right_neg) { | |
| 1249 | right = SvUVX(POPs); | |
| 1250 | } else { | |
| 1b6737cc | 1251 | const IV biv = SvIVX(POPs); |
| e2c88acc NC |
1252 | if (biv >= 0) { |
| 1253 | right = biv; | |
| 1254 | right_neg = FALSE; /* effectively it's a UV now */ | |
| 1255 | } else { | |
| 1256 | right = -biv; | |
| 1257 | } | |
| 1258 | } | |
| 1259 | } | |
| 1260 | else { | |
| 787eafbd | 1261 | dright = POPn; |
| 787eafbd IZ |
1262 | right_neg = dright < 0; |
| 1263 | if (right_neg) | |
| 1264 | dright = -dright; | |
| e2c88acc NC |
1265 | if (dright < UV_MAX_P1) { |
| 1266 | right = U_V(dright); | |
| 1267 | dright_valid = TRUE; /* In case we need to use double below. */ | |
| 1268 | } else { | |
| 1269 | use_double = TRUE; | |
| 1270 | } | |
| 787eafbd | 1271 | } |
| a0d0e21e | 1272 | |
| e2c88acc NC |
1273 | /* At this point use_double is only true if right is out of range for |
| 1274 | a UV. In range NV has been rounded down to nearest UV and | |
| 1275 | use_double false. */ | |
| 1276 | SvIV_please(TOPs); | |
| 1277 | if (!use_double && SvIOK(TOPs)) { | |
| 1278 | if (SvIOK(TOPs)) { | |
| 1279 | left_neg = !SvUOK(TOPs); | |
| 1280 | if (!left_neg) { | |
| 1281 | left = SvUVX(POPs); | |
| 1282 | } else { | |
| 0bd48802 | 1283 | const IV aiv = SvIVX(POPs); |
| e2c88acc NC |
1284 | if (aiv >= 0) { |
| 1285 | left = aiv; | |
| 1286 | left_neg = FALSE; /* effectively it's a UV now */ | |
| 1287 | } else { | |
| 1288 | left = -aiv; | |
| 1289 | } | |
| 1290 | } | |
| 1291 | } | |
| 1292 | } | |
| 787eafbd IZ |
1293 | else { |
| 1294 | dleft = POPn; | |
| 787eafbd IZ |
1295 | left_neg = dleft < 0; |
| 1296 | if (left_neg) | |
| 1297 | dleft = -dleft; | |
| 68dc0745 | 1298 | |
| e2c88acc NC |
1299 | /* This should be exactly the 5.6 behaviour - if left and right are |
| 1300 | both in range for UV then use U_V() rather than floor. */ | |
| 1301 | if (!use_double) { | |
| 1302 | if (dleft < UV_MAX_P1) { | |
| 1303 | /* right was in range, so is dleft, so use UVs not double. | |
| 1304 | */ | |
| 1305 | left = U_V(dleft); | |
| 1306 | } | |
| 1307 | /* left is out of range for UV, right was in range, so promote | |
| 1308 | right (back) to double. */ | |
| 1309 | else { | |
| 1310 | /* The +0.5 is used in 5.6 even though it is not strictly | |
| 1311 | consistent with the implicit +0 floor in the U_V() | |
| 1312 | inside the #if 1. */ | |
| 1313 | dleft = Perl_floor(dleft + 0.5); | |
| 1314 | use_double = TRUE; | |
| 1315 | if (dright_valid) | |
| 1316 | dright = Perl_floor(dright + 0.5); | |
| 1317 | else | |
| 1318 | dright = right; | |
| 1319 | } | |
| 1320 | } | |
| 1321 | } | |
| 787eafbd | 1322 | if (use_double) { |
| 65202027 | 1323 | NV dans; |
| 787eafbd | 1324 | |
| 787eafbd | 1325 | if (!dright) |
| cea2e8a9 | 1326 | DIE(aTHX_ "Illegal modulus zero"); |
| 787eafbd | 1327 | |
| 65202027 | 1328 | dans = Perl_fmod(dleft, dright); |
| 787eafbd IZ |
1329 | if ((left_neg != right_neg) && dans) |
| 1330 | dans = dright - dans; | |
| 1331 | if (right_neg) | |
| 1332 | dans = -dans; | |
| 1333 | sv_setnv(TARG, dans); | |
| 1334 | } | |
| 1335 | else { | |
| 1336 | UV ans; | |
| 1337 | ||
| 787eafbd | 1338 | if (!right) |
| cea2e8a9 | 1339 | DIE(aTHX_ "Illegal modulus zero"); |
| 787eafbd IZ |
1340 | |
| 1341 | ans = left % right; | |
| 1342 | if ((left_neg != right_neg) && ans) | |
| 1343 | ans = right - ans; | |
| 1344 | if (right_neg) { | |
| 1345 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
| 1346 | /* could change -foo to be (~foo)+1 instead */ | |
| 1347 | if (ans <= ~((UV)IV_MAX)+1) | |
| 1348 | sv_setiv(TARG, ~ans+1); | |
| 1349 | else | |
| 65202027 | 1350 | sv_setnv(TARG, -(NV)ans); |
| 787eafbd IZ |
1351 | } |
| 1352 | else | |
| 1353 | sv_setuv(TARG, ans); | |
| 1354 | } | |
| 1355 | PUSHTARG; | |
| 1356 | RETURN; | |
| 79072805 | 1357 | } |
| a0d0e21e | 1358 | } |
| 79072805 | 1359 | |
| a0d0e21e LW |
1360 | PP(pp_repeat) |
| 1361 | { | |
| 97aff369 | 1362 | dVAR; dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
| 748a9306 | 1363 | { |
| 2b573ace JH |
1364 | register IV count; |
| 1365 | dPOPss; | |
| 5b295bef | 1366 | SvGETMAGIC(sv); |
| 2b573ace JH |
1367 | if (SvIOKp(sv)) { |
| 1368 | if (SvUOK(sv)) { | |
| 1b6737cc | 1369 | const UV uv = SvUV(sv); |
| 2b573ace JH |
1370 | if (uv > IV_MAX) |
| 1371 | count = IV_MAX; /* The best we can do? */ | |
| 1372 | else | |
| 1373 | count = uv; | |
| 1374 | } else { | |
| 0bd48802 | 1375 | const IV iv = SvIV(sv); |
| 2b573ace JH |
1376 | if (iv < 0) |
| 1377 | count = 0; | |
| 1378 | else | |
| 1379 | count = iv; | |
| 1380 | } | |
| 1381 | } | |
| 1382 | else if (SvNOKp(sv)) { | |
| 1b6737cc | 1383 | const NV nv = SvNV(sv); |
| 2b573ace JH |
1384 | if (nv < 0.0) |
| 1385 | count = 0; | |
| 1386 | else | |
| 1387 | count = (IV)nv; | |
| 1388 | } | |
| 1389 | else | |
| 1390 | count = SvIVx(sv); | |
| 533c011a | 1391 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
| a0d0e21e | 1392 | dMARK; |
| 0bd48802 AL |
1393 | static const char oom_list_extend[] = "Out of memory during list extend"; |
| 1394 | const I32 items = SP - MARK; | |
| 1395 | const I32 max = items * count; | |
| 79072805 | 1396 | |
| 2b573ace JH |
1397 | MEM_WRAP_CHECK_1(max, SV*, oom_list_extend); |
| 1398 | /* Did the max computation overflow? */ | |
| 27d5b266 | 1399 | if (items > 0 && max > 0 && (max < items || max < count)) |
| 2b573ace | 1400 | Perl_croak(aTHX_ oom_list_extend); |
| a0d0e21e LW |
1401 | MEXTEND(MARK, max); |
| 1402 | if (count > 1) { | |
| 1403 | while (SP > MARK) { | |
| 976c8a39 JH |
1404 | #if 0 |
| 1405 | /* This code was intended to fix 20010809.028: | |
| 1406 | ||
| 1407 | $x = 'abcd'; | |
| 1408 | for (($x =~ /./g) x 2) { | |
| 1409 | print chop; # "abcdabcd" expected as output. | |
| 1410 | } | |
| 1411 | ||
| 1412 | * but that change (#11635) broke this code: | |
| 1413 | ||
| 1414 | $x = [("foo")x2]; # only one "foo" ended up in the anonlist. | |
| 1415 | ||
| 1416 | * I can't think of a better fix that doesn't introduce | |
| 1417 | * an efficiency hit by copying the SVs. The stack isn't | |
| 1418 | * refcounted, and mortalisation obviously doesn't | |
| 1419 | * Do The Right Thing when the stack has more than | |
| 1420 | * one pointer to the same mortal value. | |
| 1421 | * .robin. | |
| 1422 | */ | |
| e30acc16 RH |
1423 | if (*SP) { |
| 1424 | *SP = sv_2mortal(newSVsv(*SP)); | |
| 1425 | SvREADONLY_on(*SP); | |
| 1426 | } | |
| 976c8a39 JH |
1427 | #else |
| 1428 | if (*SP) | |
| 1429 | SvTEMP_off((*SP)); | |
| 1430 | #endif | |
| a0d0e21e | 1431 | SP--; |
| 79072805 | 1432 | } |
| a0d0e21e LW |
1433 | MARK++; |
| 1434 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
| 1435 | items * sizeof(SV*), count - 1); | |
| 1436 | SP += max; | |
| 79072805 | 1437 | } |
| a0d0e21e LW |
1438 | else if (count <= 0) |
| 1439 | SP -= items; | |
| 79072805 | 1440 | } |
| a0d0e21e | 1441 | else { /* Note: mark already snarfed by pp_list */ |
| 0bd48802 | 1442 | SV * const tmpstr = POPs; |
| a0d0e21e | 1443 | STRLEN len; |
| 9b877dbb | 1444 | bool isutf; |
| 2b573ace JH |
1445 | static const char oom_string_extend[] = |
| 1446 | "Out of memory during string extend"; | |
| a0d0e21e | 1447 | |
| a0d0e21e LW |
1448 | SvSetSV(TARG, tmpstr); |
| 1449 | SvPV_force(TARG, len); | |
| 9b877dbb | 1450 | isutf = DO_UTF8(TARG); |
| 8ebc5c01 | 1451 | if (count != 1) { |
| 1452 | if (count < 1) | |
| 1453 | SvCUR_set(TARG, 0); | |
| 1454 | else { | |
| c445ea15 | 1455 | const STRLEN max = (UV)count * len; |
| 2b573ace JH |
1456 | if (len > ((MEM_SIZE)~0)/count) |
| 1457 | Perl_croak(aTHX_ oom_string_extend); | |
| 1458 | MEM_WRAP_CHECK_1(max, char, oom_string_extend); | |
| 8569b9dc | 1459 | SvGROW(TARG, max + 1); |
| a0d0e21e | 1460 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
| b162af07 | 1461 | SvCUR_set(TARG, SvCUR(TARG) * count); |
| 7a4c00b4 | 1462 | } |
| a0d0e21e | 1463 | *SvEND(TARG) = '\0'; |
| a0d0e21e | 1464 | } |
| dfcb284a GS |
1465 | if (isutf) |
| 1466 | (void)SvPOK_only_UTF8(TARG); | |
| 1467 | else | |
| 1468 | (void)SvPOK_only(TARG); | |
| b80b6069 RH |
1469 | |
| 1470 | if (PL_op->op_private & OPpREPEAT_DOLIST) { | |
| 1471 | /* The parser saw this as a list repeat, and there | |
| 1472 | are probably several items on the stack. But we're | |
| 1473 | in scalar context, and there's no pp_list to save us | |
| 1474 | now. So drop the rest of the items -- robin@kitsite.com | |
| 1475 | */ | |
| 1476 | dMARK; | |
| 1477 | SP = MARK; | |
| 1478 | } | |
| a0d0e21e | 1479 | PUSHTARG; |
| 79072805 | 1480 | } |
| a0d0e21e | 1481 | RETURN; |
| 748a9306 | 1482 | } |
| a0d0e21e | 1483 | } |
| 79072805 | 1484 | |
| a0d0e21e LW |
1485 | PP(pp_subtract) |
| 1486 | { | |
| 97aff369 | 1487 | dVAR; dSP; dATARGET; bool useleft; tryAMAGICbin(subtr,opASSIGN); |
| 28e5dec8 JH |
1488 | useleft = USE_LEFT(TOPm1s); |
| 1489 | #ifdef PERL_PRESERVE_IVUV | |
| 7dca457a NC |
1490 | /* See comments in pp_add (in pp_hot.c) about Overflow, and how |
| 1491 | "bad things" happen if you rely on signed integers wrapping. */ | |
| 28e5dec8 JH |
1492 | SvIV_please(TOPs); |
| 1493 | if (SvIOK(TOPs)) { | |
| 1494 | /* Unless the left argument is integer in range we are going to have to | |
| 1495 | use NV maths. Hence only attempt to coerce the right argument if | |
| 1496 | we know the left is integer. */ | |
| 9c5ffd7c JH |
1497 | register UV auv = 0; |
| 1498 | bool auvok = FALSE; | |
| 7dca457a NC |
1499 | bool a_valid = 0; |
| 1500 | ||
| 28e5dec8 | 1501 | if (!useleft) { |
| 7dca457a NC |
1502 | auv = 0; |
| 1503 | a_valid = auvok = 1; | |
| 1504 | /* left operand is undef, treat as zero. */ | |
| 28e5dec8 JH |
1505 | } else { |
| 1506 | /* Left operand is defined, so is it IV? */ | |
| 1507 | SvIV_please(TOPm1s); | |
| 1508 | if (SvIOK(TOPm1s)) { | |
| 7dca457a NC |
1509 | if ((auvok = SvUOK(TOPm1s))) |
| 1510 | auv = SvUVX(TOPm1s); | |
| 1511 | else { | |
| 1b6737cc | 1512 | register const IV aiv = SvIVX(TOPm1s); |
| 7dca457a NC |
1513 | if (aiv >= 0) { |
| 1514 | auv = aiv; | |
| 1515 | auvok = 1; /* Now acting as a sign flag. */ | |
| 1516 | } else { /* 2s complement assumption for IV_MIN */ | |
| 1517 | auv = (UV)-aiv; | |
| 28e5dec8 | 1518 | } |
| 7dca457a NC |
1519 | } |
| 1520 | a_valid = 1; | |
| 1521 | } | |
| 1522 | } | |
| 1523 | if (a_valid) { | |
| 1524 | bool result_good = 0; | |
| 1525 | UV result; | |
| 1526 | register UV buv; | |
| 1527 | bool buvok = SvUOK(TOPs); | |
| 9041c2e3 | 1528 | |
| 7dca457a NC |
1529 | if (buvok) |
| 1530 | buv = SvUVX(TOPs); | |
| 1531 | else { | |
| 1b6737cc | 1532 | register const IV biv = SvIVX(TOPs); |
| 7dca457a NC |
1533 | if (biv >= 0) { |
| 1534 | buv = biv; | |
| 1535 | buvok = 1; | |
| 1536 | } else | |
| 1537 | buv = (UV)-biv; | |
| 1538 | } | |
| 1539 | /* ?uvok if value is >= 0. basically, flagged as UV if it's +ve, | |
| 602f51c4 | 1540 | else "IV" now, independent of how it came in. |
| 7dca457a NC |
1541 | if a, b represents positive, A, B negative, a maps to -A etc |
| 1542 | a - b => (a - b) | |
| 1543 | A - b => -(a + b) | |
| 1544 | a - B => (a + b) | |
| 1545 | A - B => -(a - b) | |
| 1546 | all UV maths. negate result if A negative. | |
| 1547 | subtract if signs same, add if signs differ. */ | |
| 1548 | ||
| 1549 | if (auvok ^ buvok) { | |
| 1550 | /* Signs differ. */ | |
| 1551 | result = auv + buv; | |
| 1552 | if (result >= auv) | |
| 1553 | result_good = 1; | |
| 1554 | } else { | |
| 1555 | /* Signs same */ | |
| 1556 | if (auv >= buv) { | |
| 1557 | result = auv - buv; | |
| 1558 | /* Must get smaller */ | |
| 1559 | if (result <= auv) | |
| 1560 | result_good = 1; | |
| 1561 | } else { | |
| 1562 | result = buv - auv; | |
| 1563 | if (result <= buv) { | |
| 1564 | /* result really should be -(auv-buv). as its negation | |
| 1565 | of true value, need to swap our result flag */ | |
| 1566 | auvok = !auvok; | |
| 1567 | result_good = 1; | |
| 28e5dec8 | 1568 | } |
| 28e5dec8 JH |
1569 | } |
| 1570 | } | |
| 7dca457a NC |
1571 | if (result_good) { |
| 1572 | SP--; | |
| 1573 | if (auvok) | |
| 1574 | SETu( result ); | |
| 1575 | else { | |
| 1576 | /* Negate result */ | |
| 1577 | if (result <= (UV)IV_MIN) | |
| 1578 | SETi( -(IV)result ); | |
| 1579 | else { | |
| 1580 | /* result valid, but out of range for IV. */ | |
| 1581 | SETn( -(NV)result ); | |
| 1582 | } | |
| 1583 | } | |
| 1584 | RETURN; | |
| 1585 | } /* Overflow, drop through to NVs. */ | |
| 28e5dec8 JH |
1586 | } |
| 1587 | } | |
| 1588 | #endif | |
| 7dca457a | 1589 | useleft = USE_LEFT(TOPm1s); |
| a0d0e21e | 1590 | { |
| 28e5dec8 JH |
1591 | dPOPnv; |
| 1592 | if (!useleft) { | |
| 1593 | /* left operand is undef, treat as zero - value */ | |
| 1594 | SETn(-value); | |
| 1595 | RETURN; | |
| 1596 | } | |
| 1597 | SETn( TOPn - value ); | |
| 1598 | RETURN; | |
| 79072805 | 1599 | } |
| a0d0e21e | 1600 | } |
| 79072805 | 1601 | |
| a0d0e21e LW |
1602 | PP(pp_left_shift) |
| 1603 | { | |
| 97aff369 | 1604 | dVAR; dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
| a0d0e21e | 1605 | { |
| 1b6737cc | 1606 | const IV shift = POPi; |
| d0ba1bd2 | 1607 | if (PL_op->op_private & HINT_INTEGER) { |
| c445ea15 | 1608 | const IV i = TOPi; |
| 972b05a9 | 1609 | SETi(i << shift); |
| d0ba1bd2 JH |
1610 | } |
| 1611 | else { | |
| c445ea15 | 1612 | const UV u = TOPu; |
| 972b05a9 | 1613 | SETu(u << shift); |
| d0ba1bd2 | 1614 | } |
| 55497cff | 1615 | RETURN; |
| 79072805 | 1616 | } |
| a0d0e21e | 1617 | } |
| 79072805 | 1618 | |
| a0d0e21e LW |
1619 | PP(pp_right_shift) |
| 1620 | { | |
| 97aff369 | 1621 | dVAR; dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
| a0d0e21e | 1622 | { |
| 1b6737cc | 1623 | const IV shift = POPi; |
| d0ba1bd2 | 1624 | if (PL_op->op_private & HINT_INTEGER) { |
| 0bd48802 | 1625 | const IV i = TOPi; |
| 972b05a9 | 1626 | SETi(i >> shift); |
| d0ba1bd2 JH |
1627 | } |
| 1628 | else { | |
| 0bd48802 | 1629 | const UV u = TOPu; |
| 972b05a9 | 1630 | SETu(u >> shift); |
| d0ba1bd2 | 1631 | } |
| a0d0e21e | 1632 | RETURN; |
| 93a17b20 | 1633 | } |
| 79072805 LW |
1634 | } |
| 1635 | ||
| a0d0e21e | 1636 | PP(pp_lt) |
| 79072805 | 1637 | { |
| 97aff369 | 1638 | dVAR; dSP; tryAMAGICbinSET(lt,0); |
| 28e5dec8 JH |
1639 | #ifdef PERL_PRESERVE_IVUV |
| 1640 | SvIV_please(TOPs); | |
| 1641 | if (SvIOK(TOPs)) { | |
| 1642 | SvIV_please(TOPm1s); | |
| 1643 | if (SvIOK(TOPm1s)) { | |
| 1644 | bool auvok = SvUOK(TOPm1s); | |
| 1645 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1646 | |
| 28e5dec8 | 1647 | if (!auvok && !buvok) { /* ## IV < IV ## */ |
| 1b6737cc AL |
1648 | const IV aiv = SvIVX(TOPm1s); |
| 1649 | const IV biv = SvIVX(TOPs); | |
| 28e5dec8 JH |
1650 | |
| 1651 | SP--; | |
| 1652 | SETs(boolSV(aiv < biv)); | |
| 1653 | RETURN; | |
| 1654 | } | |
| 1655 | if (auvok && buvok) { /* ## UV < UV ## */ | |
| 1b6737cc AL |
1656 | const UV auv = SvUVX(TOPm1s); |
| 1657 | const UV buv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1658 | |
| 1659 | SP--; | |
| 1660 | SETs(boolSV(auv < buv)); | |
| 1661 | RETURN; | |
| 1662 | } | |
| 1663 | if (auvok) { /* ## UV < IV ## */ | |
| 1664 | UV auv; | |
| 1b6737cc | 1665 | const IV biv = SvIVX(TOPs); |
| 28e5dec8 JH |
1666 | SP--; |
| 1667 | if (biv < 0) { | |
| 1668 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
| 1669 | SETs(&PL_sv_no); | |
| 1670 | RETURN; | |
| 1671 | } | |
| 1672 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1673 | SETs(boolSV(auv < (UV)biv)); |
| 1674 | RETURN; | |
| 1675 | } | |
| 1676 | { /* ## IV < UV ## */ | |
| 1b6737cc | 1677 | const IV aiv = SvIVX(TOPm1s); |
| 28e5dec8 JH |
1678 | UV buv; |
| 1679 | ||
| 28e5dec8 JH |
1680 | if (aiv < 0) { |
| 1681 | /* As (b) is a UV, it's >=0, so it must be < */ | |
| 1682 | SP--; | |
| 1683 | SETs(&PL_sv_yes); | |
| 1684 | RETURN; | |
| 1685 | } | |
| 1686 | buv = SvUVX(TOPs); | |
| 1687 | SP--; | |
| 28e5dec8 JH |
1688 | SETs(boolSV((UV)aiv < buv)); |
| 1689 | RETURN; | |
| 1690 | } | |
| 1691 | } | |
| 1692 | } | |
| 1693 | #endif | |
| 30de85b6 | 1694 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1695 | #ifdef PERL_PRESERVE_IVUV |
| 1696 | else | |
| 1697 | #endif | |
| 0bdaccee NC |
1698 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
| 1699 | SP--; | |
| 1700 | SETs(boolSV(SvRV(TOPs) < SvRV(TOPp1s))); | |
| 1701 | RETURN; | |
| 1702 | } | |
| 30de85b6 | 1703 | #endif |
| a0d0e21e LW |
1704 | { |
| 1705 | dPOPnv; | |
| 54310121 | 1706 | SETs(boolSV(TOPn < value)); |
| a0d0e21e | 1707 | RETURN; |
| 79072805 | 1708 | } |
| a0d0e21e | 1709 | } |
| 79072805 | 1710 | |
| a0d0e21e LW |
1711 | PP(pp_gt) |
| 1712 | { | |
| 97aff369 | 1713 | dVAR; dSP; tryAMAGICbinSET(gt,0); |
| 28e5dec8 JH |
1714 | #ifdef PERL_PRESERVE_IVUV |
| 1715 | SvIV_please(TOPs); | |
| 1716 | if (SvIOK(TOPs)) { | |
| 1717 | SvIV_please(TOPm1s); | |
| 1718 | if (SvIOK(TOPm1s)) { | |
| 1719 | bool auvok = SvUOK(TOPm1s); | |
| 1720 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1721 | |
| 28e5dec8 | 1722 | if (!auvok && !buvok) { /* ## IV > IV ## */ |
| 1b6737cc AL |
1723 | const IV aiv = SvIVX(TOPm1s); |
| 1724 | const IV biv = SvIVX(TOPs); | |
| 1725 | ||
| 28e5dec8 JH |
1726 | SP--; |
| 1727 | SETs(boolSV(aiv > biv)); | |
| 1728 | RETURN; | |
| 1729 | } | |
| 1730 | if (auvok && buvok) { /* ## UV > UV ## */ | |
| 1b6737cc AL |
1731 | const UV auv = SvUVX(TOPm1s); |
| 1732 | const UV buv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1733 | |
| 1734 | SP--; | |
| 1735 | SETs(boolSV(auv > buv)); | |
| 1736 | RETURN; | |
| 1737 | } | |
| 1738 | if (auvok) { /* ## UV > IV ## */ | |
| 1739 | UV auv; | |
| 1b6737cc AL |
1740 | const IV biv = SvIVX(TOPs); |
| 1741 | ||
| 28e5dec8 JH |
1742 | SP--; |
| 1743 | if (biv < 0) { | |
| 1744 | /* As (a) is a UV, it's >=0, so it must be > */ | |
| 1745 | SETs(&PL_sv_yes); | |
| 1746 | RETURN; | |
| 1747 | } | |
| 1748 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1749 | SETs(boolSV(auv > (UV)biv)); |
| 1750 | RETURN; | |
| 1751 | } | |
| 1752 | { /* ## IV > UV ## */ | |
| 1b6737cc | 1753 | const IV aiv = SvIVX(TOPm1s); |
| 28e5dec8 JH |
1754 | UV buv; |
| 1755 | ||
| 28e5dec8 JH |
1756 | if (aiv < 0) { |
| 1757 | /* As (b) is a UV, it's >=0, so it cannot be > */ | |
| 1758 | SP--; | |
| 1759 | SETs(&PL_sv_no); | |
| 1760 | RETURN; | |
| 1761 | } | |
| 1762 | buv = SvUVX(TOPs); | |
| 1763 | SP--; | |
| 28e5dec8 JH |
1764 | SETs(boolSV((UV)aiv > buv)); |
| 1765 | RETURN; | |
| 1766 | } | |
| 1767 | } | |
| 1768 | } | |
| 1769 | #endif | |
| 30de85b6 | 1770 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1771 | #ifdef PERL_PRESERVE_IVUV |
| 1772 | else | |
| 1773 | #endif | |
| 0bdaccee | 1774 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
| 30de85b6 NC |
1775 | SP--; |
| 1776 | SETs(boolSV(SvRV(TOPs) > SvRV(TOPp1s))); | |
| 1777 | RETURN; | |
| 1778 | } | |
| 1779 | #endif | |
| a0d0e21e LW |
1780 | { |
| 1781 | dPOPnv; | |
| 54310121 | 1782 | SETs(boolSV(TOPn > value)); |
| a0d0e21e | 1783 | RETURN; |
| 79072805 | 1784 | } |
| a0d0e21e LW |
1785 | } |
| 1786 | ||
| 1787 | PP(pp_le) | |
| 1788 | { | |
| 97aff369 | 1789 | dVAR; dSP; tryAMAGICbinSET(le,0); |
| 28e5dec8 JH |
1790 | #ifdef PERL_PRESERVE_IVUV |
| 1791 | SvIV_please(TOPs); | |
| 1792 | if (SvIOK(TOPs)) { | |
| 1793 | SvIV_please(TOPm1s); | |
| 1794 | if (SvIOK(TOPm1s)) { | |
| 1795 | bool auvok = SvUOK(TOPm1s); | |
| 1796 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1797 | |
| 28e5dec8 | 1798 | if (!auvok && !buvok) { /* ## IV <= IV ## */ |
| 1b6737cc AL |
1799 | const IV aiv = SvIVX(TOPm1s); |
| 1800 | const IV biv = SvIVX(TOPs); | |
| 28e5dec8 JH |
1801 | |
| 1802 | SP--; | |
| 1803 | SETs(boolSV(aiv <= biv)); | |
| 1804 | RETURN; | |
| 1805 | } | |
| 1806 | if (auvok && buvok) { /* ## UV <= UV ## */ | |
| 1807 | UV auv = SvUVX(TOPm1s); | |
| 1808 | UV buv = SvUVX(TOPs); | |
| 1809 | ||
| 1810 | SP--; | |
| 1811 | SETs(boolSV(auv <= buv)); | |
| 1812 | RETURN; | |
| 1813 | } | |
| 1814 | if (auvok) { /* ## UV <= IV ## */ | |
| 1815 | UV auv; | |
| 1b6737cc AL |
1816 | const IV biv = SvIVX(TOPs); |
| 1817 | ||
| 28e5dec8 JH |
1818 | SP--; |
| 1819 | if (biv < 0) { | |
| 1820 | /* As (a) is a UV, it's >=0, so a cannot be <= */ | |
| 1821 | SETs(&PL_sv_no); | |
| 1822 | RETURN; | |
| 1823 | } | |
| 1824 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1825 | SETs(boolSV(auv <= (UV)biv)); |
| 1826 | RETURN; | |
| 1827 | } | |
| 1828 | { /* ## IV <= UV ## */ | |
| 1b6737cc | 1829 | const IV aiv = SvIVX(TOPm1s); |
| 28e5dec8 | 1830 | UV buv; |
| 1b6737cc | 1831 | |
| 28e5dec8 JH |
1832 | if (aiv < 0) { |
| 1833 | /* As (b) is a UV, it's >=0, so a must be <= */ | |
| 1834 | SP--; | |
| 1835 | SETs(&PL_sv_yes); | |
| 1836 | RETURN; | |
| 1837 | } | |
| 1838 | buv = SvUVX(TOPs); | |
| 1839 | SP--; | |
| 28e5dec8 JH |
1840 | SETs(boolSV((UV)aiv <= buv)); |
| 1841 | RETURN; | |
| 1842 | } | |
| 1843 | } | |
| 1844 | } | |
| 1845 | #endif | |
| 30de85b6 | 1846 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1847 | #ifdef PERL_PRESERVE_IVUV |
| 1848 | else | |
| 1849 | #endif | |
| 0bdaccee | 1850 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
| 30de85b6 NC |
1851 | SP--; |
| 1852 | SETs(boolSV(SvRV(TOPs) <= SvRV(TOPp1s))); | |
| 1853 | RETURN; | |
| 1854 | } | |
| 1855 | #endif | |
| a0d0e21e LW |
1856 | { |
| 1857 | dPOPnv; | |
| 54310121 | 1858 | SETs(boolSV(TOPn <= value)); |
| a0d0e21e | 1859 | RETURN; |
| 79072805 | 1860 | } |
| a0d0e21e LW |
1861 | } |
| 1862 | ||
| 1863 | PP(pp_ge) | |
| 1864 | { | |
| 97aff369 | 1865 | dVAR; dSP; tryAMAGICbinSET(ge,0); |
| 28e5dec8 JH |
1866 | #ifdef PERL_PRESERVE_IVUV |
| 1867 | SvIV_please(TOPs); | |
| 1868 | if (SvIOK(TOPs)) { | |
| 1869 | SvIV_please(TOPm1s); | |
| 1870 | if (SvIOK(TOPm1s)) { | |
| 1871 | bool auvok = SvUOK(TOPm1s); | |
| 1872 | bool buvok = SvUOK(TOPs); | |
| a227d84d | 1873 | |
| 28e5dec8 | 1874 | if (!auvok && !buvok) { /* ## IV >= IV ## */ |
| 1b6737cc AL |
1875 | const IV aiv = SvIVX(TOPm1s); |
| 1876 | const IV biv = SvIVX(TOPs); | |
| 1877 | ||
| 28e5dec8 JH |
1878 | SP--; |
| 1879 | SETs(boolSV(aiv >= biv)); | |
| 1880 | RETURN; | |
| 1881 | } | |
| 1882 | if (auvok && buvok) { /* ## UV >= UV ## */ | |
| 1b6737cc AL |
1883 | const UV auv = SvUVX(TOPm1s); |
| 1884 | const UV buv = SvUVX(TOPs); | |
| 1885 | ||
| 28e5dec8 JH |
1886 | SP--; |
| 1887 | SETs(boolSV(auv >= buv)); | |
| 1888 | RETURN; | |
| 1889 | } | |
| 1890 | if (auvok) { /* ## UV >= IV ## */ | |
| 1891 | UV auv; | |
| 1b6737cc AL |
1892 | const IV biv = SvIVX(TOPs); |
| 1893 | ||
| 28e5dec8 JH |
1894 | SP--; |
| 1895 | if (biv < 0) { | |
| 1896 | /* As (a) is a UV, it's >=0, so it must be >= */ | |
| 1897 | SETs(&PL_sv_yes); | |
| 1898 | RETURN; | |
| 1899 | } | |
| 1900 | auv = SvUVX(TOPs); | |
| 28e5dec8 JH |
1901 | SETs(boolSV(auv >= (UV)biv)); |
| 1902 | RETURN; | |
| 1903 | } | |
| 1904 | { /* ## IV >= UV ## */ | |
| 1b6737cc | 1905 | const IV aiv = SvIVX(TOPm1s); |
| 28e5dec8 | 1906 | UV buv; |
| 1b6737cc | 1907 | |
| 28e5dec8 JH |
1908 | if (aiv < 0) { |
| 1909 | /* As (b) is a UV, it's >=0, so a cannot be >= */ | |
| 1910 | SP--; | |
| 1911 | SETs(&PL_sv_no); | |
| 1912 | RETURN; | |
| 1913 | } | |
| 1914 | buv = SvUVX(TOPs); | |
| 1915 | SP--; | |
| 28e5dec8 JH |
1916 | SETs(boolSV((UV)aiv >= buv)); |
| 1917 | RETURN; | |
| 1918 | } | |
| 1919 | } | |
| 1920 | } | |
| 1921 | #endif | |
| 30de85b6 | 1922 | #ifndef NV_PRESERVES_UV |
| 50fb3111 NC |
1923 | #ifdef PERL_PRESERVE_IVUV |
| 1924 | else | |
| 1925 | #endif | |
| 0bdaccee | 1926 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
| 30de85b6 NC |
1927 | SP--; |
| 1928 | SETs(boolSV(SvRV(TOPs) >= SvRV(TOPp1s))); | |
| 1929 | RETURN; | |
| 1930 | } | |
| 1931 | #endif | |
| a0d0e21e LW |
1932 | { |
| 1933 | dPOPnv; | |
| 54310121 | 1934 | SETs(boolSV(TOPn >= value)); |
| a0d0e21e | 1935 | RETURN; |
| 79072805 | 1936 | } |
| a0d0e21e | 1937 | } |
| 79072805 | 1938 | |
| a0d0e21e LW |
1939 | PP(pp_ne) |
| 1940 | { | |
| 97aff369 | 1941 | dVAR; dSP; tryAMAGICbinSET(ne,0); |
| 3bb2c415 | 1942 | #ifndef NV_PRESERVES_UV |
| 0bdaccee | 1943 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
| e61d22ef NC |
1944 | SP--; |
| 1945 | SETs(boolSV(SvRV(TOPs) != SvRV(TOPp1s))); | |
| 3bb2c415 JH |
1946 | RETURN; |
| 1947 | } | |
| 1948 | #endif | |
| 28e5dec8 JH |
1949 | #ifdef PERL_PRESERVE_IVUV |
| 1950 | SvIV_please(TOPs); | |
| 1951 | if (SvIOK(TOPs)) { | |
| 1952 | SvIV_please(TOPm1s); | |
| 1953 | if (SvIOK(TOPm1s)) { | |
| 0bd48802 AL |
1954 | const bool auvok = SvUOK(TOPm1s); |
| 1955 | const bool buvok = SvUOK(TOPs); | |
| a227d84d | 1956 | |
| 30de85b6 NC |
1957 | if (auvok == buvok) { /* ## IV == IV or UV == UV ## */ |
| 1958 | /* Casting IV to UV before comparison isn't going to matter | |
| 1959 | on 2s complement. On 1s complement or sign&magnitude | |
| 1960 | (if we have any of them) it could make negative zero | |
| 1961 | differ from normal zero. As I understand it. (Need to | |
| 1962 | check - is negative zero implementation defined behaviour | |
| 1963 | anyway?). NWC */ | |
| 1b6737cc AL |
1964 | const UV buv = SvUVX(POPs); |
| 1965 | const UV auv = SvUVX(TOPs); | |
| 1966 | ||
| 28e5dec8 JH |
1967 | SETs(boolSV(auv != buv)); |
| 1968 | RETURN; | |
| 1969 | } | |
| 1970 | { /* ## Mixed IV,UV ## */ | |
| 1971 | IV iv; | |
| 1972 | UV uv; | |
| 1973 | ||
| 1974 | /* != is commutative so swap if needed (save code) */ | |
| 1975 | if (auvok) { | |
| 1976 | /* swap. top of stack (b) is the iv */ | |
| 1977 | iv = SvIVX(TOPs); | |
| 1978 | SP--; | |
| 1979 | if (iv < 0) { | |
| 1980 | /* As (a) is a UV, it's >0, so it cannot be == */ | |
| 1981 | SETs(&PL_sv_yes); | |
| 1982 | RETURN; | |
| 1983 | } | |
| 1984 | uv = SvUVX(TOPs); | |
| 1985 | } else { | |
| 1986 | iv = SvIVX(TOPm1s); | |
| 1987 | SP--; | |
| 1988 | if (iv < 0) { | |
| 1989 | /* As (b) is a UV, it's >0, so it cannot be == */ | |
| 1990 | SETs(&PL_sv_yes); | |
| 1991 | RETURN; | |
| 1992 | } | |
| 1993 | uv = SvUVX(*(SP+1)); /* Do I want TOPp1s() ? */ | |
| 1994 | } | |
| 28e5dec8 JH |
1995 | SETs(boolSV((UV)iv != uv)); |
| 1996 | RETURN; | |
| 1997 | } | |
| 1998 | } | |
| 1999 | } | |
| 2000 | #endif | |
| a0d0e21e LW |
2001 | { |
| 2002 | dPOPnv; | |
| 54310121 | 2003 | SETs(boolSV(TOPn != value)); |
| a0d0e21e LW |
2004 | RETURN; |
| 2005 | } | |
| 79072805 LW |
2006 | } |
| 2007 | ||
| a0d0e21e | 2008 | PP(pp_ncmp) |
| 79072805 | 2009 | { |
| 97aff369 | 2010 | dVAR; dSP; dTARGET; tryAMAGICbin(ncmp,0); |
| d8c7644e | 2011 | #ifndef NV_PRESERVES_UV |
| 0bdaccee | 2012 | if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) { |
| 0bd48802 AL |
2013 | const UV right = PTR2UV(SvRV(POPs)); |
| 2014 | const UV left = PTR2UV(SvRV(TOPs)); | |
| e61d22ef | 2015 | SETi((left > right) - (left < right)); |
| d8c7644e JH |
2016 | RETURN; |
| 2017 | } | |
| 2018 | #endif | |
| 28e5dec8 JH |
2019 | #ifdef PERL_PRESERVE_IVUV |
| 2020 | /* Fortunately it seems NaN isn't IOK */ | |
| 2021 | SvIV_please(TOPs); | |
| 2022 | if (SvIOK(TOPs)) { | |
| 2023 | SvIV_please(TOPm1s); | |
| 2024 | if (SvIOK(TOPm1s)) { | |
| 1b6737cc AL |
2025 | const bool leftuvok = SvUOK(TOPm1s); |
| 2026 | const bool rightuvok = SvUOK(TOPs); | |
| 28e5dec8 JH |
2027 | I32 value; |
| 2028 | if (!leftuvok && !rightuvok) { /* ## IV <=> IV ## */ | |
| 1b6737cc AL |
2029 | const IV leftiv = SvIVX(TOPm1s); |
| 2030 | const IV rightiv = SvIVX(TOPs); | |
| 28e5dec8 JH |
2031 | |
| 2032 | if (leftiv > rightiv) | |
| 2033 | value = 1; | |
| 2034 | else if (leftiv < rightiv) | |
| 2035 | value = -1; | |
| 2036 | else | |
| 2037 | value = 0; | |
| 2038 | } else if (leftuvok && rightuvok) { /* ## UV <=> UV ## */ | |
| 1b6737cc AL |
2039 | const UV leftuv = SvUVX(TOPm1s); |
| 2040 | const UV rightuv = SvUVX(TOPs); | |
| 28e5dec8 JH |
2041 | |
| 2042 | if (leftuv > rightuv) | |
| 2043 | value = 1; | |
| 2044 | else if (leftuv < rightuv) | |
| 2045 | value = -1; | |
| 2046 | else | |
| 2047 | value = 0; | |
| 2048 | } else if (leftuvok) { /* ## UV <=> IV ## */ | |
| 1b6737cc | 2049 | const IV rightiv = SvIVX(TOPs); |
| 28e5dec8 JH |
2050 | if (rightiv < 0) { |
| 2051 | /* As (a) is a UV, it's >=0, so it cannot be < */ | |
| 2052 | value = 1; | |
| 2053 | } else { | |
| 1b6737cc | 2054 | const UV leftuv = SvUVX(TOPm1s); |
| 83bac5dd | 2055 | if (leftuv > (UV)rightiv) { |
| 28e5dec8 JH |
2056 | value = 1; |
| 2057 | } else if (leftuv < (UV)rightiv) { | |
| 2058 | value = -1; | |
| 2059 | } else { | |
| 2060 | value = 0; | |
| 2061 | } | |
| 2062 | } | |
| 2063 | } else { /* ## IV <=> UV ## */ | |
| 1b6737cc | 2064 | const IV leftiv = SvIVX(TOPm1s); |
| 28e5dec8 JH |
2065 | if (leftiv < 0) { |
| 2066 | /* As (b) is a UV, it's >=0, so it must be < */ | |
| 2067 | value = -1; | |
| 2068 | } else { | |
| 1b6737cc | 2069 | const UV rightuv = SvUVX(TOPs); |
| 83bac5dd | 2070 | if ((UV)leftiv > rightuv) { |
| 28e5dec8 | 2071 | value = 1; |
| 83bac5dd | 2072 | } else if ((UV)leftiv < rightuv) { |
| 28e5dec8 JH |
2073 | value = -1; |
| 2074 | } else { | |
| 2075 | value = 0; | |
| 2076 | } | |
| 2077 | } | |
| 2078 | } | |
| 2079 | SP--; | |
| 2080 | SETi(value); | |
| 2081 | RETURN; | |
| 2082 | } | |
| 2083 | } | |
| 2084 | #endif | |
| a0d0e21e LW |
2085 | { |
| 2086 | dPOPTOPnnrl; | |
| 2087 | I32 value; | |
| 79072805 | 2088 | |
| a3540c92 | 2089 | #ifdef Perl_isnan |
| 1ad04cfd JH |
2090 | if (Perl_isnan(left) || Perl_isnan(right)) { |
| 2091 | SETs(&PL_sv_undef); | |
| 2092 | RETURN; | |
| 2093 | } | |
| 2094 | value = (left > right) - (left < right); | |
| 2095 | #else | |
| ff0cee69 | 2096 | if (left == right) |
| a0d0e21e | 2097 | value = 0; |
| a0d0e21e LW |
2098 | else if (left < right) |
| 2099 | value = -1; | |
| 44a8e56a | 2100 | else if (left > right) |
| 2101 | value = 1; | |
| 2102 | else { | |
| 3280af22 | 2103 | SETs(&PL_sv_undef); |
| 44a8e56a | 2104 | RETURN; |
| 2105 | } | |
| 1ad04cfd | 2106 | #endif |
| a0d0e21e LW |
2107 | SETi(value); |
| 2108 | RETURN; | |
| 79072805 | 2109 | } |
| a0d0e21e | 2110 | } |
| 79072805 | 2111 | |
| afd9910b | 2112 | PP(pp_sle) |
| a0d0e21e | 2113 | { |
| 97aff369 | 2114 | dVAR; dSP; |
| 79072805 | 2115 | |
| afd9910b NC |
2116 | int amg_type = sle_amg; |
| 2117 | int multiplier = 1; | |
| 2118 | int rhs = 1; | |
| 79072805 | 2119 | |
| afd9910b NC |
2120 | switch (PL_op->op_type) { |
| 2121 | case OP_SLT: | |
| 2122 | amg_type = slt_amg; | |
| 2123 | /* cmp < 0 */ | |
| 2124 | rhs = 0; | |
| 2125 | break; | |
| 2126 | case OP_SGT: | |
| 2127 | amg_type = sgt_amg; | |
| 2128 | /* cmp > 0 */ | |
| 2129 | multiplier = -1; | |
| 2130 | rhs = 0; | |
| 2131 | break; | |
| 2132 | case OP_SGE: | |
| 2133 | amg_type = sge_amg; | |
| 2134 | /* cmp >= 0 */ | |
| 2135 | multiplier = -1; | |
| 2136 | break; | |
| 79072805 | 2137 | } |
| 79072805 | 2138 | |
| afd9910b | 2139 | tryAMAGICbinSET_var(amg_type,0); |
| a0d0e21e LW |
2140 | { |
| 2141 | dPOPTOPssrl; | |
| 1b6737cc | 2142 | const int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2143 | ? sv_cmp_locale(left, right) |
| 2144 | : sv_cmp(left, right)); | |
| afd9910b | 2145 | SETs(boolSV(cmp * multiplier < rhs)); |
| a0d0e21e LW |
2146 | RETURN; |
| 2147 | } | |
| 2148 | } | |
| 79072805 | 2149 | |
| 36477c24 | 2150 | PP(pp_seq) |
| 2151 | { | |
| 97aff369 | 2152 | dVAR; dSP; tryAMAGICbinSET(seq,0); |
| 36477c24 | 2153 | { |
| 2154 | dPOPTOPssrl; | |
| 54310121 | 2155 | SETs(boolSV(sv_eq(left, right))); |
| a0d0e21e LW |
2156 | RETURN; |
| 2157 | } | |
| 2158 | } | |
| 79072805 | 2159 | |
| a0d0e21e | 2160 | PP(pp_sne) |
| 79072805 | 2161 | { |
| 97aff369 | 2162 | dVAR; dSP; tryAMAGICbinSET(sne,0); |
| a0d0e21e LW |
2163 | { |
| 2164 | dPOPTOPssrl; | |
| 54310121 | 2165 | SETs(boolSV(!sv_eq(left, right))); |
| a0d0e21e | 2166 | RETURN; |
| 463ee0b2 | 2167 | } |
| 79072805 LW |
2168 | } |
| 2169 | ||
| a0d0e21e | 2170 | PP(pp_scmp) |
| 79072805 | 2171 | { |
| 97aff369 | 2172 | dVAR; dSP; dTARGET; tryAMAGICbin(scmp,0); |
| a0d0e21e LW |
2173 | { |
| 2174 | dPOPTOPssrl; | |
| 1b6737cc | 2175 | const int cmp = (IN_LOCALE_RUNTIME |
| bbce6d69 | 2176 | ? sv_cmp_locale(left, right) |
| 2177 | : sv_cmp(left, right)); | |
| 2178 | SETi( cmp ); | |
| a0d0e21e LW |
2179 | RETURN; |
| 2180 | } | |
| 2181 | } | |
| 79072805 | 2182 | |
| 55497cff | 2183 | PP(pp_bit_and) |
| 2184 | { | |
| 97aff369 | 2185 | dVAR; dSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
| a0d0e21e LW |
2186 | { |
| 2187 | dPOPTOPssrl; | |
| 5b295bef RD |
2188 | SvGETMAGIC(left); |
| 2189 | SvGETMAGIC(right); | |
| 4633a7c4 | 2190 | if (SvNIOKp(left) || SvNIOKp(right)) { |
| d0ba1bd2 | 2191 | if (PL_op->op_private & HINT_INTEGER) { |
| 1b6737cc | 2192 | const IV i = SvIV_nomg(left) & SvIV_nomg(right); |
| 972b05a9 | 2193 | SETi(i); |
| d0ba1bd2 JH |
2194 | } |
| 2195 | else { | |
| 1b6737cc | 2196 | const UV u = SvUV_nomg(left) & SvUV_nomg(right); |
| 972b05a9 | 2197 | SETu(u); |
| d0ba1bd2 | 2198 | } |
| a0d0e21e LW |
2199 | } |
| 2200 | else { | |
| 533c011a | 2201 | do_vop(PL_op->op_type, TARG, left, right); |
| a0d0e21e LW |
2202 | SETTARG; |
| 2203 | } | |
| 2204 | RETURN; | |
| 2205 | } | |
| 2206 | } | |
| 79072805 | 2207 | |
| a0d0e21e LW |
2208 | PP(pp_bit_xor) |
| 2209 | { | |
| 97aff369 | 2210 | dVAR; dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
| a0d0e21e LW |
2211 | { |
| 2212 | dPOPTOPssrl; | |
| 5b295bef RD |
2213 | SvGETMAGIC(left); |
| 2214 | SvGETMAGIC(right); | |
| 4633a7c4 | 2215 | if (SvNIOKp(left) || SvNIOKp(right)) { |
| d0ba1bd2 | 2216 | if (PL_op->op_private & HINT_INTEGER) { |
| 1b6737cc | 2217 | const IV i = (USE_LEFT(left) ? SvIV_nomg(left) : 0) ^ SvIV_nomg(right); |
| 972b05a9 | 2218 | SETi(i); |
| d0ba1bd2 JH |
2219 | } |
| 2220 | else { | |
| 1b6737cc | 2221 | const UV u = (USE_LEFT(left) ? SvUV_nomg(left) : 0) ^ SvUV_nomg(right); |
| 972b05a9 | 2222 | SETu(u); |
| d0ba1bd2 | 2223 | } |
| a0d0e21e LW |
2224 | } |
| 2225 | else { | |
| 533c011a | 2226 | do_vop(PL_op->op_type, TARG, left, right); |
| a0d0e21e LW |
2227 | SETTARG; |
| 2228 | } | |
| 2229 | RETURN; | |
| 2230 | } | |
| 2231 | } | |
| 79072805 | 2232 | |
| a0d0e21e LW |
2233 | PP(pp_bit_or) |
| 2234 | { | |
| 97aff369 | 2235 | dVAR; dSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
| a0d0e21e LW |
2236 | { |
| 2237 | dPOPTOPssrl; | |
| 5b295bef RD |
2238 | SvGETMAGIC(left); |
| 2239 | SvGETMAGIC(right); | |
| 4633a7c4 | 2240 | if (SvNIOKp(left) || SvNIOKp(right)) { |
| d0ba1bd2 | 2241 | if (PL_op->op_private & HINT_INTEGER) { |
| 1b6737cc | 2242 | const IV i = (USE_LEFT(left) ? SvIV_nomg(left) : 0) | SvIV_nomg(right); |
| 972b05a9 | 2243 | SETi(i); |
| d0ba1bd2 JH |
2244 | } |
| 2245 | else { | |
| 1b6737cc | 2246 | const UV u = (USE_LEFT(left) ? SvUV_nomg(left) : 0) | SvUV_nomg(right); |
| 972b05a9 | 2247 | SETu(u); |
| d0ba1bd2 | 2248 | } |
| a0d0e21e LW |
2249 | } |
| 2250 | else { | |
| 533c011a | 2251 | do_vop(PL_op->op_type, TARG, left, right); |
| a0d0e21e LW |
2252 | SETTARG; |
| 2253 | } | |
| 2254 | RETURN; | |
| 79072805 | 2255 | } |
| a0d0e21e | 2256 | } |
| 79072805 | 2257 | |
| a0d0e21e LW |
2258 | PP(pp_negate) |
| 2259 | { | |
| 97aff369 | 2260 | dVAR; dSP; dTARGET; tryAMAGICun(neg); |
| a0d0e21e LW |
2261 | { |
| 2262 | dTOPss; | |
| 1b6737cc | 2263 | const int flags = SvFLAGS(sv); |
| 5b295bef | 2264 | SvGETMAGIC(sv); |
| 28e5dec8 JH |
2265 | if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) { |
| 2266 | /* It's publicly an integer, or privately an integer-not-float */ | |
| 2267 | oops_its_an_int: | |
| 9b0e499b GS |
2268 | if (SvIsUV(sv)) { |
| 2269 | if (SvIVX(sv) == IV_MIN) { | |
| 28e5dec8 | 2270 | /* 2s complement assumption. */ |
| 9b0e499b GS |
2271 | SETi(SvIVX(sv)); /* special case: -((UV)IV_MAX+1) == IV_MIN */ |
| 2272 | RETURN; | |
| 2273 | } | |
| 2274 | else if (SvUVX(sv) <= IV_MAX) { | |
| beccb14c | 2275 | SETi(-SvIVX(sv)); |
| 9b0e499b GS |
2276 | RETURN; |
| 2277 | } | |
| 2278 | } | |
| 2279 | else if (SvIVX(sv) != IV_MIN) { | |
| 2280 | SETi(-SvIVX(sv)); | |
| 2281 | RETURN; | |
| 2282 | } | |
| 28e5dec8 JH |
2283 | #ifdef PERL_PRESERVE_IVUV |
| 2284 | else { | |
| 2285 | SETu((UV)IV_MIN); | |
| 2286 | RETURN; | |
| 2287 | } | |
| 2288 | #endif | |
| 9b0e499b GS |
2289 | } |
| 2290 | if (SvNIOKp(sv)) | |
| a0d0e21e | 2291 | SETn(-SvNV(sv)); |
| 4633a7c4 | 2292 | else if (SvPOKp(sv)) { |
| a0d0e21e | 2293 | STRLEN len; |
| c445ea15 | 2294 | const char * const s = SvPV_const(sv, len); |
| bbce6d69 | 2295 | if (isIDFIRST(*s)) { |
| a0d0e21e LW |
2296 | sv_setpvn(TARG, "-", 1); |
| 2297 | sv_catsv(TARG, sv); | |
| 79072805 | 2298 | } |
| a0d0e21e LW |
2299 | else if (*s == '+' || *s == '-') { |
| 2300 | sv_setsv(TARG, sv); | |
| 2301 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
| 79072805 | 2302 | } |
| 8eb28a70 JH |
2303 | else if (DO_UTF8(sv)) { |
| 2304 | SvIV_please(sv); | |
| 2305 | if (SvIOK(sv)) | |
| 2306 | goto oops_its_an_int; | |
| 2307 | if (SvNOK(sv)) | |
| 2308 | sv_setnv(TARG, -SvNV(sv)); | |
| 2309 | else { | |
| 2310 | sv_setpvn(TARG, "-", 1); | |
| 2311 | sv_catsv(TARG, sv); | |
| 2312 | } | |
| 834a4ddd | 2313 | } |
| 28e5dec8 | 2314 | else { |
| 8eb28a70 JH |
2315 | SvIV_please(sv); |
| 2316 | if (SvIOK(sv)) | |
| 2317 | goto oops_its_an_int; | |
| 2318 | sv_setnv(TARG, -SvNV(sv)); | |
| 28e5dec8 | 2319 | } |
| a0d0e21e | 2320 | SETTARG; |
| 79072805 | 2321 | } |
| 4633a7c4 LW |
2322 | else |
| 2323 | SETn(-SvNV(sv)); | |
| 79072805 | 2324 | } |
| a0d0e21e | 2325 | RETURN; |
| 79072805 LW |
2326 | } |
| 2327 | ||
| a0d0e21e | 2328 | PP(pp_not) |
| 79072805 | 2329 | { |
| 97aff369 | 2330 | dVAR; dSP; tryAMAGICunSET(not); |
| 3280af22 | 2331 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
| a0d0e21e | 2332 | return NORMAL; |
| 79072805 LW |
2333 | } |
| 2334 | ||
| a0d0e21e | 2335 | PP(pp_complement) |
| 79072805 | 2336 | { |
| 97aff369 | 2337 | dVAR; dSP; dTARGET; tryAMAGICun(compl); |
| a0d0e21e LW |
2338 | { |
| 2339 | dTOPss; | |
| 5b295bef | 2340 | SvGETMAGIC(sv); |
| 4633a7c4 | 2341 | if (SvNIOKp(sv)) { |
| d0ba1bd2 | 2342 | if (PL_op->op_private & HINT_INTEGER) { |
| 1b6737cc | 2343 | const IV i = ~SvIV_nomg(sv); |
| 972b05a9 | 2344 | SETi(i); |
| d0ba1bd2 JH |
2345 | } |
| 2346 | else { | |
| 1b6737cc | 2347 | const UV u = ~SvUV_nomg(sv); |
| 972b05a9 | 2348 | SETu(u); |
| d0ba1bd2 | 2349 | } |
| a0d0e21e LW |
2350 | } |
| 2351 | else { | |
| 51723571 | 2352 | register U8 *tmps; |
| 55497cff | 2353 | register I32 anum; |
| a0d0e21e LW |
2354 | STRLEN len; |
| 2355 | ||
| 10516c54 | 2356 | (void)SvPV_nomg_const(sv,len); /* force check for uninit var */ |
| 891f9566 | 2357 | sv_setsv_nomg(TARG, sv); |
| 51723571 | 2358 | tmps = (U8*)SvPV_force(TARG, len); |
| a0d0e21e | 2359 | anum = len; |
| 1d68d6cd | 2360 | if (SvUTF8(TARG)) { |
| a1ca4561 | 2361 | /* Calculate exact length, let's not estimate. */ |
| 1d68d6cd SC |
2362 | STRLEN targlen = 0; |
| 2363 | U8 *result; | |
| 51723571 | 2364 | U8 *send; |
| ba210ebe | 2365 | STRLEN l; |
| a1ca4561 YST |
2366 | UV nchar = 0; |
| 2367 | UV nwide = 0; | |
| 1d68d6cd SC |
2368 | |
| 2369 | send = tmps + len; | |
| 2370 | while (tmps < send) { | |
| 1b6737cc | 2371 | const UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
| 1d68d6cd | 2372 | tmps += UTF8SKIP(tmps); |
| 5bbb0b5a | 2373 | targlen += UNISKIP(~c); |
| a1ca4561 YST |
2374 | nchar++; |
| 2375 | if (c > 0xff) | |
| 2376 | nwide++; | |
| 1d68d6cd SC |
2377 | } |
| 2378 | ||
| 2379 | /* Now rewind strings and write them. */ | |
| 2380 | tmps -= len; | |
| a1ca4561 YST |
2381 | |
| 2382 | if (nwide) { | |
| a02a5408 | 2383 | Newxz(result, targlen + 1, U8); |
| a1ca4561 | 2384 | while (tmps < send) { |
| 1b6737cc | 2385 | const UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV); |
| a1ca4561 | 2386 | tmps += UTF8SKIP(tmps); |
| b851fbc1 | 2387 | result = uvchr_to_utf8_flags(result, ~c, UNICODE_ALLOW_ANY); |
| a1ca4561 YST |
2388 | } |
| 2389 | *result = '\0'; | |
| 2390 | result -= targlen; | |
| 2391 | sv_setpvn(TARG, (char*)result, targlen); | |
| 2392 | SvUTF8_on(TARG); | |
| 2393 | } | |
| 2394 | else { | |
| a02a5408 | 2395 | Newxz(result, nchar + 1, U8); |
| a1ca4561 | 2396 | while (tmps < send) { |
| 1b6737cc | 2397 | const U8 c = (U8)utf8n_to_uvchr(tmps, 0, &l, UTF8_ALLOW_ANY); |
| a1ca4561 YST |
2398 | tmps += UTF8SKIP(tmps); |
| 2399 | *result++ = ~c; | |
| 2400 | } | |
| 2401 | *result = '\0'; | |
| 2402 | result -= nchar; | |
| 2403 | sv_setpvn(TARG, (char*)result, nchar); | |
| d0a21e00 | 2404 | SvUTF8_off(TARG); |
| 1d68d6cd | 2405 | } |
| 1d68d6cd SC |
2406 | Safefree(result); |
| 2407 | SETs(TARG); | |
| 2408 | RETURN; | |
| 2409 | } | |
| a0d0e21e | 2410 | #ifdef LIBERAL |
| 51723571 JH |
2411 | { |
| 2412 | register long *tmpl; | |
| 2413 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
| 2414 | *tmps = ~*tmps; | |
| 2415 | tmpl = (long*)tmps; | |
| 2416 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
| 2417 | *tmpl = ~*tmpl; | |
| 2418 | tmps = (U8*)tmpl; | |
| 2419 | } | |
| a0d0e21e LW |
2420 | #endif |
| 2421 | for ( ; anum > 0; anum--, tmps++) | |
| 2422 | *tmps = ~*tmps; | |
| 2423 | ||
| 2424 | SETs(TARG); | |
| 2425 | } | |
| 2426 | RETURN; | |
| 2427 | } | |
| 79072805 LW |
2428 | } |
| 2429 | ||
| a0d0e21e LW |
2430 | /* integer versions of some of the above */ |
| 2431 | ||
| a0d0e21e | 2432 | PP(pp_i_multiply) |
| 79072805 | 2433 | { |
| 97aff369 | 2434 | dVAR; dSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
| a0d0e21e LW |
2435 | { |
| 2436 | dPOPTOPiirl; | |
| 2437 | SETi( left * right ); | |
| 2438 | RETURN; | |
| 2439 | } | |
| 79072805 LW |
2440 | } |
| 2441 | ||
| a0d0e21e | 2442 | PP(pp_i_divide) |
| 79072805 | 2443 | { |
| 97aff369 | 2444 | dVAR; dSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
| a0d0e21e LW |
2445 | { |
| 2446 | dPOPiv; | |
| 2447 | if (value == 0) | |
| cea2e8a9 | 2448 | DIE(aTHX_ "Illegal division by zero"); |
| a0d0e21e LW |
2449 | value = POPi / value; |
| 2450 | PUSHi( value ); | |
| 2451 | RETURN; | |
| 2452 | } | |
| 79072805 LW |
2453 | } |
| 2454 | ||
| 224ec323 JH |
2455 | STATIC |
| 2456 | PP(pp_i_modulo_0) | |
| 2457 | { | |
| 2458 | /* This is the vanilla old i_modulo. */ | |
| 27da23d5 | 2459 | dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
| 224ec323 JH |
2460 | { |
| 2461 | dPOPTOPiirl; | |
| 2462 | if (!right) | |
| 2463 | DIE(aTHX_ "Illegal modulus zero"); | |
| 2464 | SETi( left % right ); | |
| 2465 | RETURN; | |
| 2466 | } | |
| 2467 | } | |
| 2468 | ||
| 11010fa3 | 2469 | #if defined(__GLIBC__) && IVSIZE == 8 |
| 224ec323 JH |
2470 | STATIC |
| 2471 | PP(pp_i_modulo_1) | |
| 2472 | { | |
| 224ec323 | 2473 | /* This is the i_modulo with the workaround for the _moddi3 bug |
| fce2b89e | 2474 | * in (at least) glibc 2.2.5 (the PERL_ABS() the workaround). |
| 224ec323 | 2475 | * See below for pp_i_modulo. */ |
| 97aff369 | 2476 | dVAR; dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
| 224ec323 JH |
2477 | { |
| 2478 | dPOPTOPiirl; | |
| 2479 | if (!right) | |
| 2480 | DIE(aTHX_ "Illegal modulus zero"); | |
| 32fdb065 | 2481 | SETi( left % PERL_ABS(right) ); |
| 224ec323 JH |
2482 | RETURN; |
| 2483 | } | |
| 224ec323 | 2484 | } |
| fce2b89e | 2485 | #endif |
| 224ec323 | 2486 | |
| a0d0e21e | 2487 | PP(pp_i_modulo) |
| 79072805 | 2488 | { |
| 27da23d5 | 2489 | dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
| 224ec323 JH |
2490 | { |
| 2491 | dPOPTOPiirl; | |
| 2492 | if (!right) | |
| 2493 | DIE(aTHX_ "Illegal modulus zero"); | |
| 2494 | /* The assumption is to use hereafter the old vanilla version... */ | |
| 2495 | PL_op->op_ppaddr = | |
| 2496 | PL_ppaddr[OP_I_MODULO] = | |
| 1c127fab | 2497 | Perl_pp_i_modulo_0; |
| 224ec323 JH |
2498 | /* .. but if we have glibc, we might have a buggy _moddi3 |
| 2499 | * (at least glicb 2.2.5 is known to have this bug), in other | |
| 2500 | * words our integer modulus with negative quad as the second | |
| 2501 | * argument might be broken. Test for this and re-patch the | |
| 2502 | * opcode dispatch table if that is the case, remembering to | |
| 2503 | * also apply the workaround so that this first round works | |
| 2504 | * right, too. See [perl #9402] for more information. */ | |
| 2505 | #if defined(__GLIBC__) && IVSIZE == 8 | |
| 2506 | { | |
| 2507 | IV l = 3; | |
| 2508 | IV r = -10; | |
| 2509 | /* Cannot do this check with inlined IV constants since | |
| 2510 | * that seems to work correctly even with the buggy glibc. */ | |
| 2511 | if (l % r == -3) { | |
| 2512 | /* Yikes, we have the bug. | |
| 2513 | * Patch in the workaround version. */ | |
| 2514 | PL_op->op_ppaddr = | |
| 2515 | PL_ppaddr[OP_I_MODULO] = | |
| 2516 | &Perl_pp_i_modulo_1; | |
| 2517 | /* Make certain we work right this time, too. */ | |
| 32fdb065 | 2518 | right = PERL_ABS(right); |
| 224ec323 JH |
2519 | } |
| 2520 | } | |
| 2521 | #endif | |
| 2522 | SETi( left % right ); | |
| 2523 | RETURN; | |
| 2524 | } | |
| 79072805 LW |
2525 | } |
| 2526 | ||
| a0d0e21e | 2527 | PP(pp_i_add) |
| 79072805 | 2528 | { |
| 97aff369 | 2529 | dVAR; dSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
| a0d0e21e | 2530 | { |
| 5e66d4f1 | 2531 | dPOPTOPiirl_ul; |
| a0d0e21e LW |
2532 | SETi( left + right ); |
| 2533 | RETURN; | |
| 79072805 | 2534 | } |
| 79072805 LW |
2535 | } |
| 2536 | ||
| a0d0e21e | 2537 | PP(pp_i_subtract) |
| 79072805 | 2538 | { |
| 97aff369 | 2539 | dVAR; dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
| a0d0e21e | 2540 | { |
| 5e66d4f1 | 2541 | dPOPTOPiirl_ul; |
| a0d0e21e LW |
2542 | SETi( left - right ); |
| 2543 | RETURN; | |
| 79072805 | 2544 | } |
| 79072805 LW |
2545 | } |
| 2546 | ||
| a0d0e21e | 2547 | PP(pp_i_lt) |
| 79072805 | 2548 | { |
| 97aff369 | 2549 | dVAR; dSP; tryAMAGICbinSET(lt,0); |
| a0d0e21e LW |
2550 | { |
| 2551 | dPOPTOPiirl; | |
| 54310121 | 2552 | SETs(boolSV(left < right)); |
| a0d0e21e LW |
2553 | RETURN; |
| 2554 | } | |
| 79072805 LW |
2555 | } |
| 2556 | ||
| a0d0e21e | 2557 | PP(pp_i_gt) |
| 79072805 | 2558 | { |
| 97aff369 | 2559 | dVAR; dSP; tryAMAGICbinSET(gt,0); |
| a0d0e21e LW |
2560 | { |
| 2561 | dPOPTOPiirl; | |
| 54310121 | 2562 | SETs(boolSV(left > right)); |
| a0d0e21e LW |
2563 | RETURN; |
| 2564 | } | |
| 79072805 LW |
2565 | } |
| 2566 | ||
| a0d0e21e | 2567 | PP(pp_i_le) |
| 79072805 | 2568 | { |
| 97aff369 | 2569 | dVAR; dSP; tryAMAGICbinSET(le,0); |
| a0d0e21e LW |
2570 | { |
| 2571 | dPOPTOPiirl; | |
| 54310121 | 2572 | SETs(boolSV(left <= right)); |
| a0d0e21e | 2573 | RETURN; |
| 85e6fe83 | 2574 | } |
| 79072805 LW |
2575 | } |
| 2576 | ||
| a0d0e21e | 2577 | PP(pp_i_ge) |
| 79072805 | 2578 | { |
| 97aff369 | 2579 | dVAR; dSP; tryAMAGICbinSET(ge,0); |
| a0d0e21e LW |
2580 | { |
| 2581 | dPOPTOPiirl; | |
| 54310121 | 2582 | SETs(boolSV(left >= right)); |
| a0d0e21e LW |
2583 | RETURN; |
| 2584 | } | |
| 79072805 LW |
2585 | } |
| 2586 | ||
| a0d0e21e | 2587 | PP(pp_i_eq) |
| 79072805 | 2588 | { |
| 97aff369 | 2589 | dVAR; dSP; tryAMAGICbinSET(eq,0); |
| a0d0e21e LW |
2590 | { |
| 2591 | dPOPTOPiirl; | |
| 54310121 | 2592 | SETs(boolSV(left == right)); |
| a0d0e21e LW |
2593 | RETURN; |
| 2594 | } | |
| 79072805 LW |
2595 | } |
| 2596 | ||
| a0d0e21e | 2597 | PP(pp_i_ne) |
| 79072805 | 2598 | { |
| 97aff369 | 2599 | dVAR; dSP; tryAMAGICbinSET(ne,0); |
| a0d0e21e LW |
2600 | { |
| 2601 | dPOPTOPiirl; | |
| 54310121 | 2602 | SETs(boolSV(left != right)); |
| a0d0e21e LW |
2603 | RETURN; |
| 2604 | } | |
| 79072805 LW |
2605 | } |
| 2606 | ||
| a0d0e21e | 2607 | PP(pp_i_ncmp) |
| 79072805 | 2608 | { |
| 97aff369 | 2609 | dVAR; dSP; dTARGET; tryAMAGICbin(ncmp,0); |
| a0d0e21e LW |
2610 | { |
| 2611 | dPOPTOPiirl; | |
| 2612 | I32 value; | |
| 79072805 | 2613 | |
| a0d0e21e | 2614 | if (left > right) |
| 79072805 | 2615 | value = 1; |
| a0d0e21e | 2616 | else if (left < right) |
| 79072805 | 2617 | value = -1; |
| a0d0e21e | 2618 | else |
| 79072805 | 2619 | value = 0; |
| a0d0e21e LW |
2620 | SETi(value); |
| 2621 | RETURN; | |
| 79072805 | 2622 | } |
| 85e6fe83 LW |
2623 | } |
| 2624 | ||
| 2625 | PP(pp_i_negate) | |
| 2626 | { | |
| 97aff369 | 2627 | dVAR; dSP; dTARGET; tryAMAGICun(neg); |
| 85e6fe83 LW |
2628 | SETi(-TOPi); |
| 2629 | RETURN; | |
| 2630 | } | |
| 2631 | ||
| 79072805 LW |
2632 | /* High falutin' math. */ |
| 2633 | ||
| 2634 | PP(pp_atan2) | |
| 2635 | { | |
| 97aff369 | 2636 | dVAR; dSP; dTARGET; tryAMAGICbin(atan2,0); |
| a0d0e21e LW |
2637 | { |
| 2638 | dPOPTOPnnrl; | |
| 65202027 | 2639 | SETn(Perl_atan2(left, right)); |
| a0d0e21e LW |
2640 | RETURN; |
| 2641 | } | |
| 79072805 LW |
2642 | } |
| 2643 | ||
| 2644 | PP(pp_sin) | |
| 2645 | { | |
| 8a67133a | 2646 | dVAR; dSP; dTARGET; tryAMAGICun_var(sin_amg); |
| a0d0e21e | 2647 | { |
| 1b6737cc AL |
2648 | const NV value = POPn; |
| 2649 | XPUSHn(Perl_sin(value)); | |
| a0d0e21e LW |
2650 | RETURN; |
| 2651 | } | |
| 79072805 LW |
2652 | } |
| 2653 | ||
| 2654 | PP(pp_cos) | |
| 2655 | { | |
| 8a67133a | 2656 | dVAR; dSP; dTARGET; tryAMAGICun_var(cos_amg); |
| a0d0e21e | 2657 | { |
| 1b6737cc AL |
2658 | const NV value = POPn; |
| 2659 | XPUSHn(Perl_cos(value)); | |
| a0d0e21e LW |
2660 | RETURN; |
| 2661 | } | |
| 79072805 LW |
2662 | } |
| 2663 | ||
| 56cb0a1c AD |
2664 | /* Support Configure command-line overrides for rand() functions. |
| 2665 | After 5.005, perhaps we should replace this by Configure support | |
| 2666 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
| 2667 | compatibility by calling rand() but allow the user to override it. | |
| 2668 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
| 2669 | */ | |
| 85ab1d1d JH |
2670 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
| 2671 | in addition to rand(). So the overrides should not be needed any more. | |
| 2672 | --Jarkko Hietaniemi 27 September 1998 | |
| 2673 | */ | |
| 2674 | ||
| 2675 | #ifndef HAS_DRAND48_PROTO | |
| 20ce7b12 | 2676 | extern double drand48 (void); |
| 56cb0a1c AD |
2677 | #endif |
| 2678 | ||
| 79072805 LW |
2679 | PP(pp_rand) |
| 2680 | { | |
| 97aff369 | 2681 | dVAR; dSP; dTARGET; |
| 65202027 | 2682 | NV value; |
| 79072805 LW |
2683 | if (MAXARG < 1) |
| 2684 | value = 1.0; | |
| 2685 | else | |
| 2686 | value = POPn; | |
| 2687 | if (value == 0.0) | |
| 2688 | value = 1.0; | |
| 80252599 | 2689 | if (!PL_srand_called) { |
| 85ab1d1d | 2690 | (void)seedDrand01((Rand_seed_t)seed()); |
| 80252599 | 2691 | PL_srand_called = TRUE; |
| 93dc8474 | 2692 | } |
| 85ab1d1d | 2693 | value *= Drand01(); |
| 79072805 LW |
2694 | XPUSHn(value); |
| 2695 | RETURN; | |
| 2696 | } | |
| 2697 | ||
| 2698 | PP(pp_srand) | |
| 2699 | { | |
| 97aff369 | 2700 | dVAR; dSP; |
| 0bd48802 | 2701 | const UV anum = (MAXARG < 1) ? seed() : POPu; |
| 85ab1d1d | 2702 | (void)seedDrand01((Rand_seed_t)anum); |
| 80252599 | 2703 | PL_srand_called = TRUE; |
| 79072805 LW |
2704 | EXTEND(SP, 1); |
| 2705 | RETPUSHYES; | |
| 2706 | } | |
| 2707 | ||
| 2708 | PP(pp_exp) | |
| 2709 | { | |
| 8a67133a | 2710 | dVAR; dSP; dTARGET; tryAMAGICun_var(exp_amg); |
| a0d0e21e | 2711 | { |
| 65202027 | 2712 | NV value; |
| a0d0e21e | 2713 | value = POPn; |
| 65202027 | 2714 | value = Perl_exp(value); |
| a0d0e21e LW |
2715 | XPUSHn(value); |
| 2716 | RETURN; | |
| 2717 | } | |
| 79072805 LW |
2718 | } |
| 2719 | ||
| 2720 | PP(pp_log) | |
| 2721 | { | |
| 8a67133a | 2722 | dVAR; dSP; dTARGET; tryAMAGICun_var(log_amg); |
| a0d0e21e | 2723 | { |
| 1b6737cc | 2724 | const NV value = POPn; |
| bbce6d69 | 2725 | if (value <= 0.0) { |
| f93f4e46 | 2726 | SET_NUMERIC_STANDARD(); |
| 1779d84d | 2727 | DIE(aTHX_ "Can't take log of %"NVgf, value); |
| bbce6d69 | 2728 | } |
| 1b6737cc | 2729 | XPUSHn(Perl_log(value)); |
| a0d0e21e LW |
2730 | RETURN; |
| 2731 | } | |
| 79072805 LW |
2732 | } |
| 2733 | ||
| 2734 | PP(pp_sqrt) | |
| 2735 | { | |
| 8a67133a | 2736 | dVAR; dSP; dTARGET; tryAMAGICun_var(sqrt_amg); |
| a0d0e21e | 2737 | { |
| 1b6737cc | 2738 | const NV value = POPn; |
| bbce6d69 | 2739 | if (value < 0.0) { |
| f93f4e46 | 2740 | SET_NUMERIC_STANDARD(); |
| 1779d84d | 2741 | DIE(aTHX_ "Can't take sqrt of %"NVgf, value); |
| bbce6d69 | 2742 | } |
| 1b6737cc | 2743 | XPUSHn(Perl_sqrt(value)); |
| a0d0e21e LW |
2744 | RETURN; |
| 2745 | } | |
| 79072805 LW |
2746 | } |
| 2747 | ||
| 2748 | PP(pp_int) | |
| 2749 | { | |
| 97aff369 | 2750 | dVAR; dSP; dTARGET; tryAMAGICun(int); |
| 774d564b | 2751 | { |
| 1b6737cc | 2752 | const IV iv = TOPi; /* attempt to convert to IV if possible. */ |
| 28e5dec8 JH |
2753 | /* XXX it's arguable that compiler casting to IV might be subtly |
| 2754 | different from modf (for numbers inside (IV_MIN,UV_MAX)) in which | |
| 2755 | else preferring IV has introduced a subtle behaviour change bug. OTOH | |
| 2756 | relying on floating point to be accurate is a bug. */ | |
| 2757 | ||
| 922c4365 MHM |
2758 | if (!SvOK(TOPs)) |
| 2759 | SETu(0); | |
| 2760 | else if (SvIOK(TOPs)) { | |
| 28e5dec8 | 2761 | if (SvIsUV(TOPs)) { |
| 1b6737cc | 2762 | const UV uv = TOPu; |
| 28e5dec8 JH |
2763 | SETu(uv); |
| 2764 | } else | |
| 2765 | SETi(iv); | |
| 2766 | } else { | |
| 1b6737cc | 2767 | const NV value = TOPn; |
| 1048ea30 | 2768 | if (value >= 0.0) { |
| 28e5dec8 JH |
2769 | if (value < (NV)UV_MAX + 0.5) { |
| 2770 | SETu(U_V(value)); | |
| 2771 | } else { | |
| 059a1014 | 2772 | SETn(Perl_floor(value)); |
| 28e5dec8 | 2773 | } |
| 1048ea30 | 2774 | } |
| 28e5dec8 JH |
2775 | else { |
| 2776 | if (value > (NV)IV_MIN - 0.5) { | |
| 2777 | SETi(I_V(value)); | |
| 2778 | } else { | |
| 1bbae031 | 2779 | SETn(Perl_ceil(value)); |
| 28e5dec8 JH |
2780 | } |
| 2781 | } | |
| 774d564b | 2782 | } |
| 79072805 | 2783 | } |
| 79072805 LW |
2784 | RETURN; |
| 2785 | } | |
| 2786 | ||
| 463ee0b2 LW |
2787 | PP(pp_abs) |
| 2788 | { | |
| 97aff369 | 2789 | dVAR; dSP; dTARGET; tryAMAGICun(abs); |
| a0d0e21e | 2790 | { |
| 28e5dec8 | 2791 | /* This will cache the NV value if string isn't actually integer */ |
| 1b6737cc | 2792 | const IV iv = TOPi; |
| a227d84d | 2793 | |
| 922c4365 MHM |
2794 | if (!SvOK(TOPs)) |
| 2795 | SETu(0); | |
| 2796 | else if (SvIOK(TOPs)) { | |
| 28e5dec8 JH |
2797 | /* IVX is precise */ |
| 2798 | if (SvIsUV(TOPs)) { | |
| 2799 | SETu(TOPu); /* force it to be numeric only */ | |
| 2800 | } else { | |
| 2801 | if (iv >= 0) { | |
| 2802 | SETi(iv); | |
| 2803 | } else { | |
| 2804 | if (iv != IV_MIN) { | |
| 2805 | SETi(-iv); | |
| 2806 | } else { | |
| 2807 | /* 2s complement assumption. Also, not really needed as | |
| 2808 | IV_MIN and -IV_MIN should both be %100...00 and NV-able */ | |
| 2809 | SETu(IV_MIN); | |
| 2810 | } | |
| a227d84d | 2811 | } |
| 28e5dec8 JH |
2812 | } |
| 2813 | } else{ | |
| 1b6737cc | 2814 | const NV value = TOPn; |
| 774d564b | 2815 | if (value < 0.0) |
| 1b6737cc | 2816 | SETn(-value); |
| a4474c9e DD |
2817 | else |
| 2818 | SETn(value); | |
| 774d564b | 2819 | } |
| a0d0e21e | 2820 | } |
| 774d564b | 2821 | RETURN; |
| 463ee0b2 LW |
2822 | } |
| 2823 | ||
| 79072805 LW |
2824 | PP(pp_oct) |
| 2825 | { | |
| 97aff369 | 2826 | dVAR; dSP; dTARGET; |
| 5c144d81 | 2827 | const char *tmps; |
| 53305cf1 | 2828 | I32 flags = PERL_SCAN_ALLOW_UNDERSCORES; |
| 6f894ead | 2829 | STRLEN len; |
| 53305cf1 NC |
2830 | NV result_nv; |
| 2831 | UV result_uv; | |
| 1b6737cc | 2832 | SV* const sv = POPs; |
| 79072805 | 2833 | |
| 349d4f2f | 2834 | tmps = (SvPV_const(sv, len)); |
| 2bc69dc4 NIS |
2835 | if (DO_UTF8(sv)) { |
| 2836 | /* If Unicode, try to downgrade | |
| 2837 | * If not possible, croak. */ | |
| 1b6737cc | 2838 | SV* const tsv = sv_2mortal(newSVsv(sv)); |
| 2bc69dc4 NIS |
2839 | |
| 2840 | SvUTF8_on(tsv); | |
| 2841 | sv_utf8_downgrade(tsv, FALSE); | |
| 349d4f2f | 2842 | tmps = SvPV_const(tsv, len); |
| 2bc69dc4 | 2843 | } |
| daa2adfd NC |
2844 | if (PL_op->op_type == OP_HEX) |
| 2845 | goto hex; | |
| 2846 | ||
| 6f894ead | 2847 | while (*tmps && len && isSPACE(*tmps)) |
| 53305cf1 | 2848 | tmps++, len--; |
| 9e24b6e2 | 2849 | if (*tmps == '0') |
| 53305cf1 | 2850 | tmps++, len--; |
| daa2adfd NC |
2851 | if (*tmps == 'x') { |
| 2852 | hex: | |
| 53305cf1 | 2853 | result_uv = grok_hex (tmps, &len, &flags, &result_nv); |
| daa2adfd | 2854 | } |
| 9e24b6e2 | 2855 | else if (*tmps == 'b') |
| 53305cf1 | 2856 | result_uv = grok_bin (tmps, &len, &flags, &result_nv); |
| 464e2e8a | 2857 | else |
| 53305cf1 NC |
2858 | result_uv = grok_oct (tmps, &len, &flags, &result_nv); |
| 2859 | ||
| 2860 | if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) { | |
| 2861 | XPUSHn(result_nv); | |
| 2862 | } | |
| 2863 | else { | |
| 2864 | XPUSHu(result_uv); | |
| 2865 | } | |
| 79072805 LW |
2866 | RETURN; |
| 2867 | } | |
| 2868 | ||
| 2869 | /* String stuff. */ | |
| 2870 | ||
| 2871 | PP(pp_length) | |
| 2872 | { | |
| 97aff369 | 2873 | dVAR; dSP; dTARGET; |
| 0bd48802 | 2874 | SV * const sv = TOPs; |
| a0ed51b3 | 2875 | |
| 7e2040f0 GS |
2876 | if (DO_UTF8(sv)) |
| 2877 | SETi(sv_len_utf8(sv)); | |
| 2878 | else | |
| 2879 | SETi(sv_len(sv)); | |
| 79072805 LW |
2880 | RETURN; |
| 2881 | } | |
| 2882 | ||
| 2883 | PP(pp_substr) | |
| 2884 | { | |
| 97aff369 | 2885 | dVAR; dSP; dTARGET; |
| 79072805 | 2886 | SV *sv; |
| 9c5ffd7c | 2887 | I32 len = 0; |
| 463ee0b2 | 2888 | STRLEN curlen; |
| 9402d6ed | 2889 | STRLEN utf8_curlen; |
| 79072805 LW |
2890 | I32 pos; |
| 2891 | I32 rem; | |
| 84902520 | 2892 | I32 fail; |
| e1ec3a88 AL |
2893 | const I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; |
| 2894 | const char *tmps; | |
| 2895 | const I32 arybase = PL_curcop->cop_arybase; | |
| 9402d6ed | 2896 | SV *repl_sv = NULL; |
| cbbf8932 | 2897 | const char *repl = NULL; |
| 7b8d334a | 2898 | STRLEN repl_len; |
| 1b6737cc | 2899 | const int num_args = PL_op->op_private & 7; |
| 13e30c65 | 2900 | bool repl_need_utf8_upgrade = FALSE; |
| 9402d6ed | 2901 | bool repl_is_utf8 = FALSE; |
| 79072805 | 2902 | |
| 20408e3c | 2903 | SvTAINTED_off(TARG); /* decontaminate */ |
| 7e2040f0 | 2904 | SvUTF8_off(TARG); /* decontaminate */ |
| 78f9721b SM |
2905 | if (num_args > 2) { |
| 2906 | if (num_args > 3) { | |
| 9402d6ed | 2907 | repl_sv = POPs; |
| 83003860 | 2908 | repl = SvPV_const(repl_sv, repl_len); |
| 9402d6ed | 2909 | repl_is_utf8 = DO_UTF8(repl_sv) && SvCUR(repl_sv); |
| 7b8d334a | 2910 | } |
| 79072805 | 2911 | len = POPi; |
| 5d82c453 | 2912 | } |
| 84902520 | 2913 | pos = POPi; |
| 79072805 | 2914 | sv = POPs; |
| 849ca7ee | 2915 | PUTBACK; |
| 9402d6ed JH |
2916 | if (repl_sv) { |
| 2917 | if (repl_is_utf8) { | |
| 2918 | if (!DO_UTF8(sv)) | |
| 2919 | sv_utf8_upgrade(sv); | |
| 2920 | } | |
| 13e30c65 JH |
2921 | else if (DO_UTF8(sv)) |
| 2922 | repl_need_utf8_upgrade = TRUE; | |
| 9402d6ed | 2923 | } |
| 5c144d81 | 2924 | tmps = SvPV_const(sv, curlen); |
| 7e2040f0 | 2925 | if (DO_UTF8(sv)) { |
| 9402d6ed JH |
2926 | utf8_curlen = sv_len_utf8(sv); |
| 2927 | if (utf8_curlen == curlen) | |
| 2928 | utf8_curlen = 0; | |
| a0ed51b3 | 2929 | else |
| 9402d6ed | 2930 | curlen = utf8_curlen; |
| a0ed51b3 | 2931 | } |
| d1c2b58a | 2932 | else |
| 9402d6ed | 2933 | utf8_curlen = 0; |
| a0ed51b3 | 2934 | |
| 84902520 TB |
2935 | if (pos >= arybase) { |
| 2936 | pos -= arybase; | |
| 2937 | rem = curlen-pos; | |
| 2938 | fail = rem; | |
| 78f9721b | 2939 | if (num_args > 2) { |
| 5d82c453 GA |
2940 | if (len < 0) { |
| 2941 | rem += len; | |
| 2942 | if (rem < 0) | |
| 2943 | rem = 0; | |
| 2944 | } | |
| 2945 | else if (rem > len) | |
| 2946 | rem = len; | |
| 2947 | } | |
| 68dc0745 | 2948 | } |
| 84902520 | 2949 | else { |
| 5d82c453 | 2950 | pos += curlen; |
| 78f9721b | 2951 | if (num_args < 3) |
| 5d82c453 GA |
2952 | rem = curlen; |
| 2953 | else if (len >= 0) { | |
| 2954 | rem = pos+len; | |
| 2955 | if (rem > (I32)curlen) | |
| 2956 | rem = curlen; | |
| 2957 | } | |
| 2958 | else { | |
| 2959 | rem = curlen+len; | |
| 2960 | if (rem < pos) | |
| 2961 | rem = pos; | |
| 2962 | } | |
| 2963 | if (pos < 0) | |
| 2964 | pos = 0; | |
| 2965 | fail = rem; | |
| 2966 | rem -= pos; | |
| 84902520 TB |
2967 | } |
| 2968 | if (fail < 0) { | |
| e476b1b5 GS |
2969 | if (lvalue || repl) |
| 2970 | Perl_croak(aTHX_ "substr outside of string"); | |
| 2971 | if (ckWARN(WARN_SUBSTR)) | |
| 9014280d | 2972 | Perl_warner(aTHX_ packWARN(WARN_SUBSTR), "substr outside of string"); |
| 2304df62 AD |
2973 | RETPUSHUNDEF; |
| 2974 | } | |
| 79072805 | 2975 | else { |
| 1b6737cc AL |
2976 | const I32 upos = pos; |
| 2977 | const I32 urem = rem; | |
| 9402d6ed | 2978 | if (utf8_curlen) |
| a0ed51b3 | 2979 | sv_pos_u2b(sv, &pos, &rem); |
| 79072805 | 2980 | tmps += pos; |
| 781e7547 DM |
2981 | /* we either return a PV or an LV. If the TARG hasn't been used |
| 2982 | * before, or is of that type, reuse it; otherwise use a mortal | |
| 2983 | * instead. Note that LVs can have an extended lifetime, so also | |
| 2984 | * dont reuse if refcount > 1 (bug #20933) */ | |
| 2985 | if (SvTYPE(TARG) > SVt_NULL) { | |
| 2986 | if ( (SvTYPE(TARG) == SVt_PVLV) | |
| 2987 | ? (!lvalue || SvREFCNT(TARG) > 1) | |
| 2988 | : lvalue) | |
| 2989 | { | |
| 2990 | TARG = sv_newmortal(); | |
| 2991 | } | |
| 2992 | } | |
| 2993 | ||
| 79072805 | 2994 | sv_setpvn(TARG, tmps, rem); |
| 12aa1545 | 2995 | #ifdef USE_LOCALE_COLLATE |
| 14befaf4 | 2996 | sv_unmagic(TARG, PERL_MAGIC_collxfrm); |
| 12aa1545 | 2997 | #endif |
| 9402d6ed | 2998 | if (utf8_curlen) |
| 7f66633b | 2999 | SvUTF8_on(TARG); |
| f7928d6c | 3000 | if (repl) { |
| 13e30c65 JH |
3001 | SV* repl_sv_copy = NULL; |
| 3002 | ||
| 3003 | if (repl_need_utf8_upgrade) { | |
| 3004 | repl_sv_copy = newSVsv(repl_sv); | |
| 3005 | sv_utf8_upgrade(repl_sv_copy); | |
| 349d4f2f | 3006 | repl = SvPV_const(repl_sv_copy, repl_len); |
| 13e30c65 JH |
3007 | repl_is_utf8 = DO_UTF8(repl_sv_copy) && SvCUR(sv); |
| 3008 | } | |
| c8faf1c5 | 3009 | sv_insert(sv, pos, rem, repl, repl_len); |
| 9402d6ed | 3010 | if (repl_is_utf8) |
| f7928d6c | 3011 | SvUTF8_on(sv); |
| 9402d6ed JH |
3012 | if (repl_sv_copy) |
| 3013 | SvREFCNT_dec(repl_sv_copy); | |
| f7928d6c | 3014 | } |
| c8faf1c5 | 3015 | else if (lvalue) { /* it's an lvalue! */ |
| dedeecda | 3016 | if (!SvGMAGICAL(sv)) { |
| 3017 | if (SvROK(sv)) { | |
| 13c5b33c | 3018 | SvPV_force_nolen(sv); |
| 599cee73 | 3019 | if (ckWARN(WARN_SUBSTR)) |
| 9014280d | 3020 | Perl_warner(aTHX_ packWARN(WARN_SUBSTR), |
| 599cee73 | 3021 | "Attempt to use reference as lvalue in substr"); |
| dedeecda | 3022 | } |
| 3023 | if (SvOK(sv)) /* is it defined ? */ | |
| 7f66633b | 3024 | (void)SvPOK_only_UTF8(sv); |
| dedeecda | 3025 | else |
| 3026 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
| 3027 | } | |
| 5f05dabc | 3028 | |
| a0d0e21e LW |
3029 | if (SvTYPE(TARG) < SVt_PVLV) { |
| 3030 | sv_upgrade(TARG, SVt_PVLV); | |
| c445ea15 | 3031 | sv_magic(TARG, NULL, PERL_MAGIC_substr, NULL, 0); |
| ed6116ce | 3032 | } |
| 6214ab63 | 3033 | else |
| 0c34ef67 | 3034 | SvOK_off(TARG); |
| a0d0e21e | 3035 | |
| 5f05dabc | 3036 | LvTYPE(TARG) = 'x'; |
| 6ff81951 GS |
3037 | if (LvTARG(TARG) != sv) { |
| 3038 | if (LvTARG(TARG)) | |
| 3039 | SvREFCNT_dec(LvTARG(TARG)); | |
| 3040 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
| 3041 | } | |
| 9aa983d2 JH |
3042 | LvTARGOFF(TARG) = upos; |
| 3043 | LvTARGLEN(TARG) = urem; | |
| 79072805 LW |
3044 | } |
| 3045 | } | |
| 849ca7ee | 3046 | SPAGAIN; |
| 79072805 LW |
3047 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
| 3048 | RETURN; | |
| 3049 | } | |
| 3050 | ||
| 3051 | PP(pp_vec) | |
| 3052 | { | |
| 97aff369 | 3053 | dVAR; dSP; dTARGET; |
| 1b6737cc AL |
3054 | register const IV size = POPi; |
| 3055 | register const IV offset = POPi; | |
| 3056 | register SV * const src = POPs; | |
| 3057 | const I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET; | |
| a0d0e21e | 3058 | |
| 81e118e0 JH |
3059 | SvTAINTED_off(TARG); /* decontaminate */ |
| 3060 | if (lvalue) { /* it's an lvalue! */ | |
| 24aef97f HS |
3061 | if (SvREFCNT(TARG) > 1) /* don't share the TARG (#20933) */ |
| 3062 | TARG = sv_newmortal(); | |
| 81e118e0 JH |
3063 | if (SvTYPE(TARG) < SVt_PVLV) { |
| 3064 | sv_upgrade(TARG, SVt_PVLV); | |
| c445ea15 | 3065 | sv_magic(TARG, NULL, PERL_MAGIC_vec, NULL, 0); |
| 79072805 | 3066 | } |
| 81e118e0 JH |
3067 | LvTYPE(TARG) = 'v'; |
| 3068 | if (LvTARG(TARG) != src) { | |
| 3069 | if (LvTARG(TARG)) | |
| 3070 | SvREFCNT_dec(LvTARG(TARG)); | |
| 3071 | LvTARG(TARG) = SvREFCNT_inc(src); | |
| 79072805 | 3072 | } |
| 81e118e0 JH |
3073 | LvTARGOFF(TARG) = offset; |
| 3074 | LvTARGLEN(TARG) = size; | |
| 79072805 LW |
3075 | } |
| 3076 | ||
| 81e118e0 | 3077 | sv_setuv(TARG, do_vecget(src, offset, size)); |
| 79072805 LW |
3078 | PUSHs(TARG); |
| 3079 | RETURN; | |
| 3080 | } | |
| 3081 | ||
| 3082 | PP(pp_index) | |
| 3083 | { | |
| 97aff369 | 3084 | dVAR; dSP; dTARGET; |
| 79072805 LW |
3085 | SV *big; |
| 3086 | SV *little; | |
| c445ea15 | 3087 | SV *temp = NULL; |
| ad66a58c | 3088 | STRLEN biglen; |
| 2723d216 | 3089 | STRLEN llen = 0; |
| 79072805 LW |
3090 | I32 offset; |
| 3091 | I32 retval; | |
| 10516c54 NC |
3092 | const char *tmps; |
| 3093 | const char *tmps2; | |
| 1b6737cc | 3094 | const I32 arybase = PL_curcop->cop_arybase; |
| 2f040f7f NC |
3095 | bool big_utf8; |
| 3096 | bool little_utf8; | |
| 2723d216 | 3097 | const bool is_index = PL_op->op_type == OP_INDEX; |
| 79072805 | 3098 | |
| 2723d216 NC |
3099 | if (MAXARG >= 3) { |
| 3100 | /* arybase is in characters, like offset, so combine prior to the | |
| 3101 | UTF-8 to bytes calculation. */ | |
| 79072805 | 3102 | offset = POPi - arybase; |
| 2723d216 | 3103 | } |
| 79072805 LW |
3104 | little = POPs; |
| 3105 | big = POPs; | |
| e609e586 NC |
3106 | big_utf8 = DO_UTF8(big); |
| 3107 | little_utf8 = DO_UTF8(little); | |
| 3108 | if (big_utf8 ^ little_utf8) { | |
| 3109 | /* One needs to be upgraded. */ | |
| 2f040f7f NC |
3110 | if (little_utf8 && !PL_encoding) { |
| 3111 | /* Well, maybe instead we might be able to downgrade the small | |
| 3112 | string? */ | |
| 3113 | STRLEN little_len; | |
| 3114 | const U8 * const little_pv = (U8*) SvPV_const(little, little_len); | |
| 3115 | char * const pv = (char*)bytes_from_utf8(little_pv, &little_len, | |
| 3116 | &little_utf8); | |
| 3117 | if (little_utf8) { | |
| 3118 | /* If the large string is ISO-8859-1, and it's not possible to | |
| 3119 | convert the small string to ISO-8859-1, then there is no | |
| 3120 | way that it could be found anywhere by index. */ | |
| 3121 | retval = -1; | |
| 3122 | goto fail; | |
| 3123 | } | |
| e609e586 | 3124 | |
| 2f040f7f NC |
3125 | /* At this point, pv is a malloc()ed string. So donate it to temp |
| 3126 | to ensure it will get free()d */ | |
| 3127 | little = temp = newSV(0); | |
| 3128 | sv_usepvn(temp, pv, little_len); | |
| e609e586 | 3129 | } else { |
| 2f040f7f NC |
3130 | SV * const bytes = little_utf8 ? big : little; |
| 3131 | STRLEN len; | |
| 3132 | const char * const p = SvPV_const(bytes, len); | |
| 3133 | ||
| 3134 | temp = newSVpvn(p, len); | |
| 3135 | ||
| 3136 | if (PL_encoding) { | |
| 3137 | sv_recode_to_utf8(temp, PL_encoding); | |
| 3138 | } else { | |
| 3139 | sv_utf8_upgrade(temp); | |
| 3140 | } | |
| 3141 | if (little_utf8) { | |
| 3142 | big = temp; | |
| 3143 | big_utf8 = TRUE; | |
| 3144 | } else { | |
| 3145 | little = temp; | |
| 3146 | } | |
| e609e586 NC |
3147 | } |
| 3148 | } | |
| a4a77288 NC |
3149 | /* Don't actually need the NULL initialisation, but it keeps gcc quiet. */ |
| 3150 | tmps2 = is_index ? NULL : SvPV_const(little, llen); | |
| ad66a58c | 3151 | tmps = SvPV_const(big, biglen); |
| e609e586 | 3152 | |
| 79072805 | 3153 | if (MAXARG < 3) |
| 2723d216 | 3154 | offset = is_index ? 0 : biglen; |
| a0ed51b3 | 3155 | else { |
| ad66a58c | 3156 | if (big_utf8 && offset > 0) |
| a0ed51b3 | 3157 | sv_pos_u2b(big, &offset, 0); |
| a2b7337b | 3158 | offset += llen; |
| a0ed51b3 | 3159 | } |
| 79072805 LW |
3160 | if (offset < 0) |
| 3161 | offset = 0; | |
| ad66a58c NC |
3162 | else if (offset > (I32)biglen) |
| 3163 | offset = biglen; | |
| 2723d216 NC |
3164 | if (!(tmps2 = is_index |
| 3165 | ? fbm_instr((unsigned char*)tmps + offset, | |
| 3166 | (unsigned char*)tmps + biglen, little, 0) | |
| 3167 | : rninstr(tmps, tmps + offset, | |
| 3168 | tmps2, tmps2 + llen))) | |
| a0ed51b3 | 3169 | retval = -1; |
| ad66a58c | 3170 | else { |
| a0ed51b3 | 3171 | retval = tmps2 - tmps; |
| ad66a58c NC |
3172 | if (retval > 0 && big_utf8) |
| 3173 | sv_pos_b2u(big, &retval); | |
| 3174 | } | |
| e609e586 NC |
3175 | if (temp) |
| 3176 | SvREFCNT_dec(temp); | |
| 2723d216 | 3177 | fail: |
| a0ed51b3 | 3178 | PUSHi(retval + arybase); |
| 79072805 LW |
3179 | RETURN; |
| 3180 | } | |
| 3181 | ||
| 3182 | PP(pp_sprintf) | |
| 3183 | { | |
| 97aff369 | 3184 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
| 79072805 | 3185 | do_sprintf(TARG, SP-MARK, MARK+1); |
| bbce6d69 | 3186 | TAINT_IF(SvTAINTED(TARG)); |
| 79072805 LW |
3187 | SP = ORIGMARK; |
| 3188 | PUSHTARG; | |
| 3189 | RETURN; | |
| 3190 | } | |
| 3191 | ||
| 79072805 LW |
3192 | PP(pp_ord) |
| 3193 | { | |
| 97aff369 | 3194 | dVAR; dSP; dTARGET; |
| 7df053ec | 3195 | SV *argsv = POPs; |
| ba210ebe | 3196 | STRLEN len; |
| 349d4f2f | 3197 | const U8 *s = (U8*)SvPV_const(argsv, len); |
| 121910a4 JH |
3198 | SV *tmpsv; |
| 3199 | ||
| 799ef3cb | 3200 | if (PL_encoding && SvPOK(argsv) && !DO_UTF8(argsv)) { |
| 121910a4 | 3201 | tmpsv = sv_2mortal(newSVsv(argsv)); |
| 799ef3cb | 3202 | s = (U8*)sv_recode_to_utf8(tmpsv, PL_encoding); |
| 121910a4 JH |
3203 | argsv = tmpsv; |
| 3204 | } | |
| 79072805 | 3205 | |
| 872c91ae | 3206 | XPUSHu(DO_UTF8(argsv) ? |
| 89ebb4a3 | 3207 | utf8n_to_uvchr(s, UTF8_MAXBYTES, 0, UTF8_ALLOW_ANYUV) : |
| 872c91ae | 3208 | (*s & 0xff)); |
| 68795e93 | 3209 | |
| 79072805 LW |
3210 | RETURN; |
| 3211 | } | |
| 3212 | ||
| 463ee0b2 LW |
3213 | PP(pp_chr) |
| 3214 | { | |
| 97aff369 | 3215 | dVAR; dSP; dTARGET; |
| 463ee0b2 | 3216 | char *tmps; |
| 8a064bd6 JH |
3217 | UV value; |
| 3218 | ||
| 3219 | if (((SvIOK_notUV(TOPs) && SvIV(TOPs) < 0) | |
| 3220 | || | |
| 3221 | (SvNOK(TOPs) && SvNV(TOPs) < 0.0))) { | |
| 3222 | if (IN_BYTES) { | |
| 3223 | value = POPu; /* chr(-1) eq chr(0xff), etc. */ | |
| 3224 | } else { | |
| 3225 | (void) POPs; /* Ignore the argument value. */ | |
| 3226 | value = UNICODE_REPLACEMENT; | |
| 3227 | } | |
| 3228 | } else { | |
| 3229 | value = POPu; | |
| 3230 | } | |
| 463ee0b2 | 3231 | |
| 862a34c6 | 3232 | SvUPGRADE(TARG,SVt_PV); |
| a0ed51b3 | 3233 | |
| 0064a8a9 | 3234 | if (value > 255 && !IN_BYTES) { |
| eb160463 | 3235 | SvGROW(TARG, (STRLEN)UNISKIP(value)+1); |
| 62961d2e | 3236 | tmps = (char*)uvchr_to_utf8_flags((U8*)SvPVX(TARG), value, 0); |
| 349d4f2f | 3237 | SvCUR_set(TARG, tmps - SvPVX_const(TARG)); |
| a0ed51b3 LW |
3238 | *tmps = '\0'; |
| 3239 | (void)SvPOK_only(TARG); | |
| aa6ffa16 | 3240 | SvUTF8_on(TARG); |
| a0ed51b3 LW |
3241 | XPUSHs(TARG); |
| 3242 | RETURN; | |
| 3243 | } | |
| 3244 | ||
| 748a9306 | 3245 | SvGROW(TARG,2); |
| 463ee0b2 LW |
3246 | SvCUR_set(TARG, 1); |
| 3247 | tmps = SvPVX(TARG); | |
| eb160463 | 3248 | *tmps++ = (char)value; |
| 748a9306 | 3249 | *tmps = '\0'; |
| a0d0e21e | 3250 | (void)SvPOK_only(TARG); |
| 88632417 | 3251 | if (PL_encoding && !IN_BYTES) { |
| 799ef3cb | 3252 | sv_recode_to_utf8(TARG, PL_encoding); |
| 88632417 JH |
3253 | tmps = SvPVX(TARG); |
| 3254 | if (SvCUR(TARG) == 0 || !is_utf8_string((U8*)tmps, SvCUR(TARG)) || | |
| 3255 | memEQ(tmps, "\xef\xbf\xbd\0", 4)) { | |
| d5a15ac2 JH |
3256 | SvGROW(TARG, 3); |
| 3257 | tmps = SvPVX(TARG); | |
| 88632417 JH |
3258 | SvCUR_set(TARG, 2); |
| 3259 | *tmps++ = (U8)UTF8_EIGHT_BIT_HI(value); | |
| 3260 | *tmps++ = (U8)UTF8_EIGHT_BIT_LO(value); | |
| 3261 | *tmps = '\0'; | |
| 3262 | SvUTF8_on(TARG); | |
| 3263 | } | |
| 3264 | } | |
| 463ee0b2 LW |
3265 | XPUSHs(TARG); |
| 3266 | RETURN; | |
| 3267 | } | |
| 3268 | ||
| 79072805 LW |
3269 | PP(pp_crypt) |
| 3270 | { | |
| 79072805 | 3271 | #ifdef HAS_CRYPT |
| 97aff369 | 3272 | dVAR; dSP; dTARGET; |
| 5f74f29c | 3273 | dPOPTOPssrl; |
| 85c16d83 | 3274 | STRLEN len; |
| 10516c54 | 3275 | const char *tmps = SvPV_const(left, len); |
| 2bc69dc4 | 3276 | |
| 85c16d83 | 3277 | if (DO_UTF8(left)) { |
| 2bc69dc4 | 3278 | /* If Unicode, try to downgrade. |
| f2791508 JH |
3279 | * If not possible, croak. |
| 3280 | * Yes, we made this up. */ | |
| 1b6737cc | 3281 | SV* const tsv = sv_2mortal(newSVsv(left)); |
| 2bc69dc4 | 3282 | |
| f2791508 | 3283 | SvUTF8_on(tsv); |
| 2bc69dc4 | 3284 | sv_utf8_downgrade(tsv, FALSE); |
| 349d4f2f | 3285 | tmps = SvPV_const(tsv, len); |
| 85c16d83 | 3286 | } |
| 05404ffe JH |
3287 | # ifdef USE_ITHREADS |
| 3288 | # ifdef HAS_CRYPT_R | |
| 3289 | if (!PL_reentrant_buffer->_crypt_struct_buffer) { | |
| 3290 | /* This should be threadsafe because in ithreads there is only | |
| 3291 | * one thread per interpreter. If this would not be true, | |
| 3292 | * we would need a mutex to protect this malloc. */ | |
| 3293 | PL_reentrant_buffer->_crypt_struct_buffer = | |
| 3294 | (struct crypt_data *)safemalloc(sizeof(struct crypt_data)); | |
| 3295 | #if defined(__GLIBC__) || defined(__EMX__) | |
| 3296 | if (PL_reentrant_buffer->_crypt_struct_buffer) { | |
| 3297 | PL_reentrant_buffer->_crypt_struct_buffer->initialized = 0; | |
| 3298 | /* work around glibc-2.2.5 bug */ | |
| 3299 | PL_reentrant_buffer->_crypt_struct_buffer->current_saltbits = 0; | |
| 3300 | } | |
| 05404ffe | 3301 | #endif |
| 6ab58e4d | 3302 | } |
| 05404ffe JH |
3303 | # endif /* HAS_CRYPT_R */ |
| 3304 | # endif /* USE_ITHREADS */ | |
| 5f74f29c | 3305 | # ifdef FCRYPT |
| 83003860 | 3306 | sv_setpv(TARG, fcrypt(tmps, SvPV_nolen_const(right))); |
| 5f74f29c | 3307 | # else |
| 83003860 | 3308 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV_nolen_const(right))); |
| 5f74f29c | 3309 | # endif |
| 4808266b JH |
3310 | SETs(TARG); |
| 3311 | RETURN; | |
| 79072805 | 3312 | #else |
| b13b2135 | 3313 | DIE(aTHX_ |
| 79072805 LW |
3314 | "The crypt() function is unimplemented due to excessive paranoia."); |
| 3315 | #endif | |
| 79072805 LW |
3316 | } |
| 3317 | ||
| 3318 | PP(pp_ucfirst) | |
| 3319 | { | |
| 97aff369 | 3320 | dVAR; |
| 39644a26 | 3321 | dSP; |
| 79072805 | 3322 | SV *sv = TOPs; |
| 83003860 | 3323 | const U8 *s; |
| a0ed51b3 | 3324 | STRLEN slen; |
| 12e9c124 | 3325 | const int op_type = PL_op->op_type; |
| a0ed51b3 | 3326 | |
| d104a74c | 3327 | SvGETMAGIC(sv); |
| 3a2263fe | 3328 | if (DO_UTF8(sv) && |
| 83003860 | 3329 | (s = (const U8*)SvPV_nomg_const(sv, slen)) && slen && |
| 3a2263fe | 3330 | UTF8_IS_START(*s)) { |
| 89ebb4a3 | 3331 | U8 tmpbuf[UTF8_MAXBYTES_CASE+1]; |
| 44bc797b JH |
3332 | STRLEN ulen; |
| 3333 | STRLEN tculen; | |
| a0ed51b3 | 3334 | |
| 44bc797b | 3335 | utf8_to_uvchr(s, &ulen); |
| 12e9c124 NC |
3336 | if (op_type == OP_UCFIRST) { |
| 3337 | toTITLE_utf8(s, tmpbuf, &tculen); | |
| 3338 | } else { | |
| 3339 | toLOWER_utf8(s, tmpbuf, &tculen); | |
| 3340 | } | |
| 44bc797b | 3341 | |
| 6f9b16a7 | 3342 | if (!SvPADTMP(sv) || SvREADONLY(sv) || ulen != tculen) { |
| a0ed51b3 | 3343 | dTARGET; |
| 3a2263fe RGS |
3344 | /* slen is the byte length of the whole SV. |
| 3345 | * ulen is the byte length of the original Unicode character | |
| 3346 | * stored as UTF-8 at s. | |
| 12e9c124 NC |
3347 | * tculen is the byte length of the freshly titlecased (or |
| 3348 | * lowercased) Unicode character stored as UTF-8 at tmpbuf. | |
| 3349 | * We first set the result to be the titlecased (/lowercased) | |
| 3350 | * character, and then append the rest of the SV data. */ | |
| 44bc797b | 3351 | sv_setpvn(TARG, (char*)tmpbuf, tculen); |
| 3a2263fe RGS |
3352 | if (slen > ulen) |
| 3353 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
| 7e2040f0 | 3354 | SvUTF8_on(TARG); |
| a0ed51b3 LW |
3355 | SETs(TARG); |
| 3356 | } | |
| 3357 | else { | |
| d104a74c | 3358 | s = (U8*)SvPV_force_nomg(sv, slen); |
| 44bc797b | 3359 | Copy(tmpbuf, s, tculen, U8); |
| a0ed51b3 | 3360 | } |
| a0ed51b3 | 3361 | } |
| 626727d5 | 3362 | else { |
| 83003860 | 3363 | U8 *s1; |
| 014822e4 | 3364 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 31351b04 | 3365 | dTARGET; |
| 7e2040f0 | 3366 | SvUTF8_off(TARG); /* decontaminate */ |
| d104a74c | 3367 | sv_setsv_nomg(TARG, sv); |
| 31351b04 JS |
3368 | sv = TARG; |
| 3369 | SETs(sv); | |
| 3370 | } | |
| 83003860 NC |
3371 | s1 = (U8*)SvPV_force_nomg(sv, slen); |
| 3372 | if (*s1) { | |
| 2de3dbcc | 3373 | if (IN_LOCALE_RUNTIME) { |
| 31351b04 JS |
3374 | TAINT; |
| 3375 | SvTAINTED_on(sv); | |
| 12e9c124 NC |
3376 | *s1 = (op_type == OP_UCFIRST) |
| 3377 | ? toUPPER_LC(*s1) : toLOWER_LC(*s1); | |
| 31351b04 JS |
3378 | } |
| 3379 | else | |
| 12e9c124 | 3380 | *s1 = (op_type == OP_UCFIRST) ? toUPPER(*s1) : toLOWER(*s1); |
| bbce6d69 | 3381 | } |
| bbce6d69 | 3382 | } |
| d104a74c | 3383 | SvSETMAGIC(sv); |
| 79072805 LW |
3384 | RETURN; |
| 3385 | } | |
| 3386 | ||
| 3387 | PP(pp_uc) | |
| 3388 | { | |
| 97aff369 | 3389 | dVAR; |
| 39644a26 | 3390 | dSP; |
| 79072805 | 3391 | SV *sv = TOPs; |
| 463ee0b2 | 3392 | STRLEN len; |
| 79072805 | 3393 | |
| d104a74c | 3394 | SvGETMAGIC(sv); |
| 7e2040f0 | 3395 | if (DO_UTF8(sv)) { |
| a0ed51b3 | 3396 | dTARGET; |
| ba210ebe | 3397 | STRLEN ulen; |
| a0ed51b3 | 3398 | register U8 *d; |
| 10516c54 NC |
3399 | const U8 *s; |
| 3400 | const U8 *send; | |
| 89ebb4a3 | 3401 | U8 tmpbuf[UTF8_MAXBYTES+1]; |
| a0ed51b3 | 3402 | |
| 10516c54 | 3403 | s = (const U8*)SvPV_nomg_const(sv,len); |
| a5a20234 | 3404 | if (!len) { |
| 7e2040f0 | 3405 | SvUTF8_off(TARG); /* decontaminate */ |
| a5a20234 LW |
3406 | sv_setpvn(TARG, "", 0); |
| 3407 | SETs(TARG); | |
| a0ed51b3 LW |
3408 | } |
| 3409 | else { | |
| 128c9517 JH |
3410 | STRLEN min = len + 1; |
| 3411 | ||
| 862a34c6 | 3412 | SvUPGRADE(TARG, SVt_PV); |
| 128c9517 | 3413 | SvGROW(TARG, min); |
| 31351b04 JS |
3414 | (void)SvPOK_only(TARG); |
| 3415 | d = (U8*)SvPVX(TARG); | |
| 3416 | send = s + len; | |
| a2a2844f | 3417 | while (s < send) { |
| 89ebb4a3 JH |
3418 | STRLEN u = UTF8SKIP(s); |
| 3419 | ||
| 6fdb5f96 | 3420 | toUPPER_utf8(s, tmpbuf, &ulen); |
| 128c9517 JH |
3421 | if (ulen > u && (SvLEN(TARG) < (min += ulen - u))) { |
| 3422 | /* If the eventually required minimum size outgrows | |
| 3423 | * the available space, we need to grow. */ | |
| 0bd48802 | 3424 | const UV o = d - (U8*)SvPVX_const(TARG); |
| 89ebb4a3 JH |
3425 | |
| 3426 | /* If someone uppercases one million U+03B0s we | |
| 3427 | * SvGROW() one million times. Or we could try | |
| 32c480af JH |
3428 | * guessing how much to allocate without allocating |
| 3429 | * too much. Such is life. */ | |
| 128c9517 | 3430 | SvGROW(TARG, min); |
| 89ebb4a3 JH |
3431 | d = (U8*)SvPVX(TARG) + o; |
| 3432 | } | |
| a2a2844f JH |
3433 | Copy(tmpbuf, d, ulen, U8); |
| 3434 | d += ulen; | |
| 89ebb4a3 | 3435 | s += u; |
| a0ed51b3 | 3436 | } |
| 31351b04 | 3437 | *d = '\0'; |
| 7e2040f0 | 3438 | SvUTF8_on(TARG); |
| 349d4f2f | 3439 | SvCUR_set(TARG, d - (U8*)SvPVX_const(TARG)); |
| 31351b04 | 3440 | SETs(TARG); |
| a0ed51b3 | 3441 | } |
| a0ed51b3 | 3442 | } |
| 626727d5 | 3443 | else { |
| 10516c54 | 3444 | U8 *s; |
| 014822e4 | 3445 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 31351b04 | 3446 | dTARGET; |
| 7e2040f0 | 3447 | SvUTF8_off(TARG); /* decontaminate */ |
| d104a74c | 3448 | sv_setsv_nomg(TARG, sv); |
| 31351b04 JS |
3449 | sv = TARG; |
| 3450 | SETs(sv); | |
| 3451 | } | |
| d104a74c | 3452 | s = (U8*)SvPV_force_nomg(sv, len); |
| 31351b04 | 3453 | if (len) { |
| 0d46e09a | 3454 | register const U8 *send = s + len; |
| 31351b04 | 3455 | |
| 2de3dbcc | 3456 | if (IN_LOCALE_RUNTIME) { |
| 31351b04 JS |
3457 | TAINT; |
| 3458 | SvTAINTED_on(sv); | |
| 3459 | for (; s < send; s++) | |
| 3460 | *s = toUPPER_LC(*s); | |
| 3461 | } | |
| 3462 | else { | |
| 3463 | for (; s < send; s++) | |
| 3464 | *s = toUPPER(*s); | |
| 3465 | } | |
| bbce6d69 | 3466 | } |
| 79072805 | 3467 | } |
| d104a74c | 3468 | SvSETMAGIC(sv); |
| 79072805 LW |
3469 | RETURN; |
| 3470 | } | |
| 3471 | ||
| 3472 | PP(pp_lc) | |
| 3473 | { | |
| 97aff369 | 3474 | dVAR; |
| 39644a26 | 3475 | dSP; |
| 79072805 | 3476 | SV *sv = TOPs; |
| 463ee0b2 | 3477 | STRLEN len; |
| 79072805 | 3478 | |
| d104a74c | 3479 | SvGETMAGIC(sv); |
| 7e2040f0 | 3480 | if (DO_UTF8(sv)) { |
| a0ed51b3 | 3481 | dTARGET; |
| 10516c54 | 3482 | const U8 *s; |
| ba210ebe | 3483 | STRLEN ulen; |
| a0ed51b3 | 3484 | register U8 *d; |
| 10516c54 | 3485 | const U8 *send; |
| 89ebb4a3 | 3486 | U8 tmpbuf[UTF8_MAXBYTES_CASE+1]; |
| a0ed51b3 | 3487 | |
| 10516c54 | 3488 | s = (const U8*)SvPV_nomg_const(sv,len); |
| a5a20234 | 3489 | if (!len) { |
| 7e2040f0 | 3490 | SvUTF8_off(TARG); /* decontaminate */ |
| a5a20234 LW |
3491 | sv_setpvn(TARG, "", 0); |
| 3492 | SETs(TARG); | |
| a0ed51b3 LW |
3493 | } |
| 3494 | else { | |
| 128c9517 JH |
3495 | STRLEN min = len + 1; |
| 3496 | ||
| 862a34c6 | 3497 | SvUPGRADE(TARG, SVt_PV); |
| 128c9517 | 3498 | SvGROW(TARG, min); |
| 31351b04 JS |
3499 | (void)SvPOK_only(TARG); |
| 3500 | d = (U8*)SvPVX(TARG); | |
| 3501 | send = s + len; | |
| a2a2844f | 3502 | while (s < send) { |
| 1b6737cc AL |
3503 | const STRLEN u = UTF8SKIP(s); |
| 3504 | const UV uv = toLOWER_utf8(s, tmpbuf, &ulen); | |
| 89ebb4a3 JH |
3505 | |
| 3506 | #define GREEK_CAPITAL_LETTER_SIGMA 0x03A3 /* Unicode U+03A3 */ | |
| 6fdb5f96 JH |
3507 | if (uv == GREEK_CAPITAL_LETTER_SIGMA) { |
| 3508 | /* | |
| 3509 | * Now if the sigma is NOT followed by | |
| 3510 | * /$ignorable_sequence$cased_letter/; | |
| 3511 | * and it IS preceded by | |
| 3512 | * /$cased_letter$ignorable_sequence/; | |
| 3513 | * where $ignorable_sequence is | |
| 3514 | * [\x{2010}\x{AD}\p{Mn}]* | |
| 3515 | * and $cased_letter is | |
| 3516 | * [\p{Ll}\p{Lo}\p{Lt}] | |
| 3517 | * then it should be mapped to 0x03C2, | |
| 3518 | * (GREEK SMALL LETTER FINAL SIGMA), | |
| 3519 | * instead of staying 0x03A3. | |
| 89ebb4a3 JH |
3520 | * "should be": in other words, |
| 3521 | * this is not implemented yet. | |
| 3522 | * See lib/unicore/SpecialCasing.txt. | |
| 6fdb5f96 JH |
3523 | */ |
| 3524 | } | |
| 128c9517 JH |
3525 | if (ulen > u && (SvLEN(TARG) < (min += ulen - u))) { |
| 3526 | /* If the eventually required minimum size outgrows | |
| 3527 | * the available space, we need to grow. */ | |
| 0bd48802 | 3528 | const UV o = d - (U8*)SvPVX_const(TARG); |
| 89ebb4a3 JH |
3529 | |
| 3530 | /* If someone lowercases one million U+0130s we | |
| 3531 | * SvGROW() one million times. Or we could try | |
| 32c480af JH |
3532 | * guessing how much to allocate without allocating. |
| 3533 | * too much. Such is life. */ | |
| 128c9517 | 3534 | SvGROW(TARG, min); |
| 89ebb4a3 JH |
3535 | d = (U8*)SvPVX(TARG) + o; |
| 3536 | } | |
| a2a2844f JH |
3537 | Copy(tmpbuf, d, ulen, U8); |
| 3538 | d += ulen; | |
| 89ebb4a3 | 3539 | s += u; |
| a0ed51b3 | 3540 | } |
| 31351b04 | 3541 | *d = '\0'; |
| 7e2040f0 | 3542 | SvUTF8_on(TARG); |
| 349d4f2f | 3543 | SvCUR_set(TARG, d - (U8*)SvPVX_const(TARG)); |
| 31351b04 | 3544 | SETs(TARG); |
| a0ed51b3 | 3545 | } |
| 79072805 | 3546 | } |
| 626727d5 | 3547 | else { |
| 10516c54 | 3548 | U8 *s; |
| 014822e4 | 3549 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
| 31351b04 | 3550 | dTARGET; |
| 7e2040f0 | 3551 | SvUTF8_off(TARG); /* decontaminate */ |
| d104a74c | 3552 | sv_setsv_nomg(TARG, sv); |
| 31351b04 JS |
3553 | sv = TARG; |
| 3554 | SETs(sv); | |
| a0ed51b3 | 3555 | } |
| bbce6d69 | 3556 | |
| d104a74c | 3557 | s = (U8*)SvPV_force_nomg(sv, len); |
| 31351b04 | 3558 | if (len) { |
| 1b6737cc | 3559 | register const U8 * const 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 | } |
| d104a74c | 3573 | SvSETMAGIC(sv); |
| 79072805 LW |
3574 | RETURN; |
| 3575 | } | |
| 3576 | ||
| a0d0e21e | 3577 | PP(pp_quotemeta) |
| 79072805 | 3578 | { |
| 97aff369 | 3579 | dVAR; dSP; dTARGET; |
| 1b6737cc | 3580 | SV * const sv = TOPs; |
| a0d0e21e | 3581 | STRLEN len; |
| 0d46e09a | 3582 | register const char *s = SvPV_const(sv,len); |
| 79072805 | 3583 | |
| 7e2040f0 | 3584 | SvUTF8_off(TARG); /* decontaminate */ |
| a0d0e21e | 3585 | if (len) { |
| 1b6737cc | 3586 | register char *d; |
| 862a34c6 | 3587 | SvUPGRADE(TARG, SVt_PV); |
| c07a80fd | 3588 | SvGROW(TARG, (len * 2) + 1); |
| a0d0e21e | 3589 | d = SvPVX(TARG); |
| 7e2040f0 | 3590 | if (DO_UTF8(sv)) { |
| 0dd2cdef | 3591 | while (len) { |
| fd400ab9 | 3592 | if (UTF8_IS_CONTINUED(*s)) { |
| 0dd2cdef LW |
3593 | STRLEN ulen = UTF8SKIP(s); |
| 3594 | if (ulen > len) | |
| 3595 | ulen = len; | |
| 3596 | len -= ulen; | |
| 3597 | while (ulen--) | |
| 3598 | *d++ = *s++; | |
| 3599 | } | |
| 3600 | else { | |
| 3601 | if (!isALNUM(*s)) | |
| 3602 | *d++ = '\\'; | |
| 3603 | *d++ = *s++; | |
| 3604 | len--; | |
| 3605 | } | |
| 3606 | } | |
| 7e2040f0 | 3607 | SvUTF8_on(TARG); |
| 0dd2cdef LW |
3608 | } |
| 3609 | else { | |
| 3610 | while (len--) { | |
| 3611 | if (!isALNUM(*s)) | |
| 3612 | *d++ = '\\'; | |
| 3613 | *d++ = *s++; | |
| 3614 | } | |
| 79072805 | 3615 | } |
| a0d0e21e | 3616 | *d = '\0'; |
| 349d4f2f | 3617 | SvCUR_set(TARG, d - SvPVX_const(TARG)); |
| 3aa33fe5 | 3618 | (void)SvPOK_only_UTF8(TARG); |
| 79072805 | 3619 | } |
| a0d0e21e LW |
3620 | else |
| 3621 | sv_setpvn(TARG, s, len); | |
| 3622 | SETs(TARG); | |
| 31351b04 JS |
3623 | if (SvSMAGICAL(TARG)) |
| 3624 | mg_set(TARG); | |
| 79072805 LW |
3625 | RETURN; |
| 3626 | } | |
| 3627 | ||
| a0d0e21e | 3628 | /* Arrays. */ |
| 79072805 | 3629 | |
| a0d0e21e | 3630 | PP(pp_aslice) |
| 79072805 | 3631 | { |
| 97aff369 | 3632 | dVAR; dSP; dMARK; dORIGMARK; |
| 1b6737cc AL |
3633 | register AV* const av = (AV*)POPs; |
| 3634 | register const I32 lval = (PL_op->op_flags & OPf_MOD || LVRET); | |
| 79072805 | 3635 | |
| a0d0e21e | 3636 | if (SvTYPE(av) == SVt_PVAV) { |
| 1b6737cc | 3637 | const I32 arybase = PL_curcop->cop_arybase; |
| 533c011a | 3638 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
| 1b6737cc | <