Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* pp.c |
79072805 | 2 | * |
3818b22b | 3 | * Copyright (c) 1991-2000, Larry Wall |
79072805 | 4 | * |
a0d0e21e LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
79072805 | 7 | * |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "It's a big house this, and very peculiar. Always a bit more to discover, | |
12 | * and no knowing what you'll find around a corner. And Elves, sir!" --Samwise | |
13 | */ | |
79072805 LW |
14 | |
15 | #include "EXTERN.h" | |
864dbfa3 | 16 | #define PERL_IN_PP_C |
79072805 LW |
17 | #include "perl.h" |
18 | ||
36477c24 | 19 | /* |
ef2d312d TH |
20 | * The compiler on Concurrent CX/UX systems has a subtle bug which only |
21 | * seems to show up when compiling pp.c - it generates the wrong double | |
22 | * precision constant value for (double)UV_MAX when used inline in the body | |
23 | * of the code below, so this makes a static variable up front (which the | |
24 | * compiler seems to get correct) and uses it in place of UV_MAX below. | |
25 | */ | |
26 | #ifdef CXUX_BROKEN_CONSTANT_CONVERT | |
27 | static double UV_MAX_cxux = ((double)UV_MAX); | |
8ec5e241 | 28 | #endif |
ef2d312d TH |
29 | |
30 | /* | |
96e4d5b1 | 31 | * Offset for integer pack/unpack. |
32 | * | |
33 | * On architectures where I16 and I32 aren't really 16 and 32 bits, | |
34 | * which for now are all Crays, pack and unpack have to play games. | |
35 | */ | |
36 | ||
37 | /* | |
38 | * These values are required for portability of pack() output. | |
39 | * If they're not right on your machine, then pack() and unpack() | |
40 | * wouldn't work right anyway; you'll need to apply the Cray hack. | |
41 | * (I'd like to check them with #if, but you can't use sizeof() in | |
dc45a647 MB |
42 | * the preprocessor.) --??? |
43 | */ | |
44 | /* | |
45 | The appropriate SHORTSIZE, INTSIZE, LONGSIZE, and LONGLONGSIZE | |
46 | defines are now in config.h. --Andy Dougherty April 1998 | |
96e4d5b1 | 47 | */ |
48 | #define SIZE16 2 | |
49 | #define SIZE32 4 | |
50 | ||
9851f69c JH |
51 | /* CROSSCOMPILE and MULTIARCH are going to affect pp_pack() and pp_unpack(). |
52 | --jhi Feb 1999 */ | |
53 | ||
726ea183 JH |
54 | #if SHORTSIZE != SIZE16 || LONGSIZE != SIZE32 |
55 | # define PERL_NATINT_PACK | |
56 | #endif | |
57 | ||
0f9dfb06 | 58 | #if LONGSIZE > 4 && defined(_CRAY) |
96e4d5b1 | 59 | # if BYTEORDER == 0x12345678 |
60 | # define OFF16(p) (char*)(p) | |
61 | # define OFF32(p) (char*)(p) | |
62 | # else | |
63 | # if BYTEORDER == 0x87654321 | |
64 | # define OFF16(p) ((char*)(p) + (sizeof(U16) - SIZE16)) | |
65 | # define OFF32(p) ((char*)(p) + (sizeof(U32) - SIZE32)) | |
66 | # else | |
67 | }}}} bad cray byte order | |
68 | # endif | |
69 | # endif | |
70 | # define COPY16(s,p) (*(p) = 0, Copy(s, OFF16(p), SIZE16, char)) | |
71 | # define COPY32(s,p) (*(p) = 0, Copy(s, OFF32(p), SIZE32, char)) | |
ef54e1a4 | 72 | # define COPYNN(s,p,n) (*(p) = 0, Copy(s, (char *)(p), n, char)) |
96e4d5b1 | 73 | # define CAT16(sv,p) sv_catpvn(sv, OFF16(p), SIZE16) |
74 | # define CAT32(sv,p) sv_catpvn(sv, OFF32(p), SIZE32) | |
75 | #else | |
76 | # define COPY16(s,p) Copy(s, p, SIZE16, char) | |
77 | # define COPY32(s,p) Copy(s, p, SIZE32, char) | |
ef54e1a4 | 78 | # define COPYNN(s,p,n) Copy(s, (char *)(p), n, char) |
96e4d5b1 | 79 | # define CAT16(sv,p) sv_catpvn(sv, (char*)(p), SIZE16) |
80 | # define CAT32(sv,p) sv_catpvn(sv, (char*)(p), SIZE32) | |
81 | #endif | |
82 | ||
a0d0e21e | 83 | /* variations on pp_null */ |
79072805 | 84 | |
8ac85365 NIS |
85 | #ifdef I_UNISTD |
86 | #include <unistd.h> | |
87 | #endif | |
dfe9444c AD |
88 | |
89 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ | |
90 | it, since pid_t is an integral type. | |
91 | --AD 2/20/1998 | |
92 | */ | |
93 | #ifdef NEED_GETPID_PROTO | |
94 | extern Pid_t getpid (void); | |
8ac85365 NIS |
95 | #endif |
96 | ||
93a17b20 LW |
97 | PP(pp_stub) |
98 | { | |
4e35701f | 99 | djSP; |
54310121 | 100 | if (GIMME_V == G_SCALAR) |
3280af22 | 101 | XPUSHs(&PL_sv_undef); |
93a17b20 LW |
102 | RETURN; |
103 | } | |
104 | ||
79072805 LW |
105 | PP(pp_scalar) |
106 | { | |
107 | return NORMAL; | |
108 | } | |
109 | ||
110 | /* Pushy stuff. */ | |
111 | ||
93a17b20 LW |
112 | PP(pp_padav) |
113 | { | |
4e35701f | 114 | djSP; dTARGET; |
533c011a NIS |
115 | if (PL_op->op_private & OPpLVAL_INTRO) |
116 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
85e6fe83 | 117 | EXTEND(SP, 1); |
533c011a | 118 | if (PL_op->op_flags & OPf_REF) { |
85e6fe83 | 119 | PUSHs(TARG); |
93a17b20 | 120 | RETURN; |
85e6fe83 LW |
121 | } |
122 | if (GIMME == G_ARRAY) { | |
123 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
124 | EXTEND(SP, maxarg); | |
93965878 NIS |
125 | if (SvMAGICAL(TARG)) { |
126 | U32 i; | |
127 | for (i=0; i < maxarg; i++) { | |
128 | SV **svp = av_fetch((AV*)TARG, i, FALSE); | |
3280af22 | 129 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
93965878 NIS |
130 | } |
131 | } | |
132 | else { | |
133 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
134 | } | |
85e6fe83 LW |
135 | SP += maxarg; |
136 | } | |
137 | else { | |
138 | SV* sv = sv_newmortal(); | |
139 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
140 | sv_setiv(sv, maxarg); | |
141 | PUSHs(sv); | |
142 | } | |
143 | RETURN; | |
93a17b20 LW |
144 | } |
145 | ||
146 | PP(pp_padhv) | |
147 | { | |
4e35701f | 148 | djSP; dTARGET; |
54310121 | 149 | I32 gimme; |
150 | ||
93a17b20 | 151 | XPUSHs(TARG); |
533c011a NIS |
152 | if (PL_op->op_private & OPpLVAL_INTRO) |
153 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
154 | if (PL_op->op_flags & OPf_REF) | |
93a17b20 | 155 | RETURN; |
54310121 | 156 | gimme = GIMME_V; |
157 | if (gimme == G_ARRAY) { | |
cea2e8a9 | 158 | RETURNOP(do_kv()); |
85e6fe83 | 159 | } |
54310121 | 160 | else if (gimme == G_SCALAR) { |
85e6fe83 | 161 | SV* sv = sv_newmortal(); |
46fc3d4c | 162 | if (HvFILL((HV*)TARG)) |
cea2e8a9 | 163 | Perl_sv_setpvf(aTHX_ sv, "%ld/%ld", |
46fc3d4c | 164 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); |
85e6fe83 LW |
165 | else |
166 | sv_setiv(sv, 0); | |
167 | SETs(sv); | |
85e6fe83 | 168 | } |
54310121 | 169 | RETURN; |
93a17b20 LW |
170 | } |
171 | ||
ed6116ce LW |
172 | PP(pp_padany) |
173 | { | |
cea2e8a9 | 174 | DIE(aTHX_ "NOT IMPL LINE %d",__LINE__); |
ed6116ce LW |
175 | } |
176 | ||
79072805 LW |
177 | /* Translations. */ |
178 | ||
179 | PP(pp_rv2gv) | |
180 | { | |
853846ea | 181 | djSP; dTOPss; |
8ec5e241 | 182 | |
ed6116ce | 183 | if (SvROK(sv)) { |
a0d0e21e | 184 | wasref: |
f5284f61 IZ |
185 | tryAMAGICunDEREF(to_gv); |
186 | ||
ed6116ce | 187 | sv = SvRV(sv); |
b1dadf13 | 188 | if (SvTYPE(sv) == SVt_PVIO) { |
189 | GV *gv = (GV*) sv_newmortal(); | |
190 | gv_init(gv, 0, "", 0, 0); | |
191 | GvIOp(gv) = (IO *)sv; | |
3e3baf6d | 192 | (void)SvREFCNT_inc(sv); |
b1dadf13 | 193 | sv = (SV*) gv; |
ef54e1a4 JH |
194 | } |
195 | else if (SvTYPE(sv) != SVt_PVGV) | |
cea2e8a9 | 196 | DIE(aTHX_ "Not a GLOB reference"); |
79072805 LW |
197 | } |
198 | else { | |
93a17b20 | 199 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 | 200 | char *sym; |
2d8e6c8d | 201 | STRLEN n_a; |
748a9306 | 202 | |
a0d0e21e LW |
203 | if (SvGMAGICAL(sv)) { |
204 | mg_get(sv); | |
205 | if (SvROK(sv)) | |
206 | goto wasref; | |
207 | } | |
208 | if (!SvOK(sv)) { | |
853846ea NIS |
209 | /* If this is a 'my' scalar and flag is set then vivify |
210 | * NI-S 1999/05/07 | |
211 | */ | |
1d8d4d2a | 212 | if (PL_op->op_private & OPpDEREF) { |
2c8ac474 GS |
213 | char *name; |
214 | GV *gv; | |
215 | if (cUNOP->op_targ) { | |
216 | STRLEN len; | |
217 | SV *namesv = PL_curpad[cUNOP->op_targ]; | |
218 | name = SvPV(namesv, len); | |
2d6d9f7a | 219 | gv = (GV*)NEWSV(0,0); |
2c8ac474 GS |
220 | gv_init(gv, CopSTASH(PL_curcop), name, len, 0); |
221 | } | |
222 | else { | |
223 | name = CopSTASHPV(PL_curcop); | |
224 | gv = newGVgen(name); | |
1d8d4d2a | 225 | } |
853846ea | 226 | sv_upgrade(sv, SVt_RV); |
2c8ac474 | 227 | SvRV(sv) = (SV*)gv; |
853846ea | 228 | SvROK_on(sv); |
1d8d4d2a | 229 | SvSETMAGIC(sv); |
853846ea | 230 | goto wasref; |
2c8ac474 | 231 | } |
533c011a NIS |
232 | if (PL_op->op_flags & OPf_REF || |
233 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 234 | DIE(aTHX_ PL_no_usym, "a symbol"); |
599cee73 | 235 | if (ckWARN(WARN_UNINITIALIZED)) |
b89fed5f | 236 | report_uninit(); |
a0d0e21e LW |
237 | RETSETUNDEF; |
238 | } | |
2d8e6c8d | 239 | sym = SvPV(sv, n_a); |
35cd451c GS |
240 | if ((PL_op->op_flags & OPf_SPECIAL) && |
241 | !(PL_op->op_flags & OPf_MOD)) | |
242 | { | |
243 | sv = (SV*)gv_fetchpv(sym, FALSE, SVt_PVGV); | |
244 | if (!sv) | |
245 | RETSETUNDEF; | |
246 | } | |
247 | else { | |
248 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 249 | DIE(aTHX_ PL_no_symref, sym, "a symbol"); |
35cd451c GS |
250 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
251 | } | |
93a17b20 | 252 | } |
79072805 | 253 | } |
533c011a NIS |
254 | if (PL_op->op_private & OPpLVAL_INTRO) |
255 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); | |
79072805 LW |
256 | SETs(sv); |
257 | RETURN; | |
258 | } | |
259 | ||
79072805 LW |
260 | PP(pp_rv2sv) |
261 | { | |
4e35701f | 262 | djSP; dTOPss; |
79072805 | 263 | |
ed6116ce | 264 | if (SvROK(sv)) { |
a0d0e21e | 265 | wasref: |
f5284f61 IZ |
266 | tryAMAGICunDEREF(to_sv); |
267 | ||
ed6116ce | 268 | sv = SvRV(sv); |
79072805 LW |
269 | switch (SvTYPE(sv)) { |
270 | case SVt_PVAV: | |
271 | case SVt_PVHV: | |
272 | case SVt_PVCV: | |
cea2e8a9 | 273 | DIE(aTHX_ "Not a SCALAR reference"); |
79072805 LW |
274 | } |
275 | } | |
276 | else { | |
f12c7020 | 277 | GV *gv = (GV*)sv; |
748a9306 | 278 | char *sym; |
2d8e6c8d | 279 | STRLEN n_a; |
748a9306 | 280 | |
463ee0b2 | 281 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
282 | if (SvGMAGICAL(sv)) { |
283 | mg_get(sv); | |
284 | if (SvROK(sv)) | |
285 | goto wasref; | |
286 | } | |
287 | if (!SvOK(sv)) { | |
533c011a NIS |
288 | if (PL_op->op_flags & OPf_REF || |
289 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 290 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
599cee73 | 291 | if (ckWARN(WARN_UNINITIALIZED)) |
b89fed5f | 292 | report_uninit(); |
a0d0e21e LW |
293 | RETSETUNDEF; |
294 | } | |
2d8e6c8d | 295 | sym = SvPV(sv, n_a); |
35cd451c GS |
296 | if ((PL_op->op_flags & OPf_SPECIAL) && |
297 | !(PL_op->op_flags & OPf_MOD)) | |
298 | { | |
299 | gv = (GV*)gv_fetchpv(sym, FALSE, SVt_PV); | |
300 | if (!gv) | |
301 | RETSETUNDEF; | |
302 | } | |
303 | else { | |
304 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 305 | DIE(aTHX_ PL_no_symref, sym, "a SCALAR"); |
35cd451c GS |
306 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
307 | } | |
463ee0b2 LW |
308 | } |
309 | sv = GvSV(gv); | |
a0d0e21e | 310 | } |
533c011a NIS |
311 | if (PL_op->op_flags & OPf_MOD) { |
312 | if (PL_op->op_private & OPpLVAL_INTRO) | |
a0d0e21e | 313 | sv = save_scalar((GV*)TOPs); |
533c011a NIS |
314 | else if (PL_op->op_private & OPpDEREF) |
315 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
79072805 | 316 | } |
a0d0e21e | 317 | SETs(sv); |
79072805 LW |
318 | RETURN; |
319 | } | |
320 | ||
321 | PP(pp_av2arylen) | |
322 | { | |
4e35701f | 323 | djSP; |
79072805 LW |
324 | AV *av = (AV*)TOPs; |
325 | SV *sv = AvARYLEN(av); | |
326 | if (!sv) { | |
327 | AvARYLEN(av) = sv = NEWSV(0,0); | |
328 | sv_upgrade(sv, SVt_IV); | |
329 | sv_magic(sv, (SV*)av, '#', Nullch, 0); | |
330 | } | |
331 | SETs(sv); | |
332 | RETURN; | |
333 | } | |
334 | ||
a0d0e21e LW |
335 | PP(pp_pos) |
336 | { | |
4e35701f | 337 | djSP; dTARGET; dPOPss; |
8ec5e241 | 338 | |
533c011a | 339 | if (PL_op->op_flags & OPf_MOD) { |
5f05dabc | 340 | if (SvTYPE(TARG) < SVt_PVLV) { |
341 | sv_upgrade(TARG, SVt_PVLV); | |
342 | sv_magic(TARG, Nullsv, '.', Nullch, 0); | |
343 | } | |
344 | ||
345 | LvTYPE(TARG) = '.'; | |
6ff81951 GS |
346 | if (LvTARG(TARG) != sv) { |
347 | if (LvTARG(TARG)) | |
348 | SvREFCNT_dec(LvTARG(TARG)); | |
349 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
350 | } | |
a0d0e21e LW |
351 | PUSHs(TARG); /* no SvSETMAGIC */ |
352 | RETURN; | |
353 | } | |
354 | else { | |
8ec5e241 | 355 | MAGIC* mg; |
a0d0e21e LW |
356 | |
357 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
358 | mg = mg_find(sv, 'g'); | |
565764a8 | 359 | if (mg && mg->mg_len >= 0) { |
a0ed51b3 | 360 | I32 i = mg->mg_len; |
7e2040f0 | 361 | if (DO_UTF8(sv)) |
a0ed51b3 LW |
362 | sv_pos_b2u(sv, &i); |
363 | PUSHi(i + PL_curcop->cop_arybase); | |
a0d0e21e LW |
364 | RETURN; |
365 | } | |
366 | } | |
367 | RETPUSHUNDEF; | |
368 | } | |
369 | } | |
370 | ||
79072805 LW |
371 | PP(pp_rv2cv) |
372 | { | |
4e35701f | 373 | djSP; |
79072805 LW |
374 | GV *gv; |
375 | HV *stash; | |
8990e307 | 376 | |
4633a7c4 LW |
377 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
378 | /* (But not in defined().) */ | |
533c011a | 379 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
07055b4c CS |
380 | if (cv) { |
381 | if (CvCLONE(cv)) | |
382 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
cd06dffe | 383 | if ((PL_op->op_private & OPpLVAL_INTRO) && !CvLVALUE(cv)) |
d470f89e | 384 | DIE(aTHX_ "Can't modify non-lvalue subroutine call"); |
07055b4c CS |
385 | } |
386 | else | |
3280af22 | 387 | cv = (CV*)&PL_sv_undef; |
79072805 LW |
388 | SETs((SV*)cv); |
389 | RETURN; | |
390 | } | |
391 | ||
c07a80fd | 392 | PP(pp_prototype) |
393 | { | |
4e35701f | 394 | djSP; |
c07a80fd | 395 | CV *cv; |
396 | HV *stash; | |
397 | GV *gv; | |
398 | SV *ret; | |
399 | ||
3280af22 | 400 | ret = &PL_sv_undef; |
b6c543e3 IZ |
401 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
402 | char *s = SvPVX(TOPs); | |
403 | if (strnEQ(s, "CORE::", 6)) { | |
404 | int code; | |
405 | ||
406 | code = keyword(s + 6, SvCUR(TOPs) - 6); | |
407 | if (code < 0) { /* Overridable. */ | |
408 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
409 | int i = 0, n = 0, seen_question = 0; | |
410 | I32 oa; | |
411 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
412 | ||
413 | while (i < MAXO) { /* The slow way. */ | |
22c35a8c GS |
414 | if (strEQ(s + 6, PL_op_name[i]) |
415 | || strEQ(s + 6, PL_op_desc[i])) | |
416 | { | |
b6c543e3 | 417 | goto found; |
22c35a8c | 418 | } |
b6c543e3 IZ |
419 | i++; |
420 | } | |
421 | goto nonesuch; /* Should not happen... */ | |
422 | found: | |
22c35a8c | 423 | oa = PL_opargs[i] >> OASHIFT; |
b6c543e3 IZ |
424 | while (oa) { |
425 | if (oa & OA_OPTIONAL) { | |
426 | seen_question = 1; | |
427 | str[n++] = ';'; | |
ef54e1a4 JH |
428 | } |
429 | else if (seen_question) | |
b6c543e3 IZ |
430 | goto set; /* XXXX system, exec */ |
431 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF | |
432 | && (oa & (OA_OPTIONAL - 1)) <= OA_HVREF) { | |
433 | str[n++] = '\\'; | |
434 | } | |
435 | /* What to do with R ((un)tie, tied, (sys)read, recv)? */ | |
436 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; | |
437 | oa = oa >> 4; | |
438 | } | |
439 | str[n++] = '\0'; | |
79cb57f6 | 440 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
ef54e1a4 JH |
441 | } |
442 | else if (code) /* Non-Overridable */ | |
b6c543e3 IZ |
443 | goto set; |
444 | else { /* None such */ | |
445 | nonesuch: | |
d470f89e | 446 | DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
b6c543e3 IZ |
447 | } |
448 | } | |
449 | } | |
c07a80fd | 450 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
5f05dabc | 451 | if (cv && SvPOK(cv)) |
79cb57f6 | 452 | ret = sv_2mortal(newSVpvn(SvPVX(cv), SvCUR(cv))); |
b6c543e3 | 453 | set: |
c07a80fd | 454 | SETs(ret); |
455 | RETURN; | |
456 | } | |
457 | ||
a0d0e21e LW |
458 | PP(pp_anoncode) |
459 | { | |
4e35701f | 460 | djSP; |
533c011a | 461 | CV* cv = (CV*)PL_curpad[PL_op->op_targ]; |
a5f75d66 | 462 | if (CvCLONE(cv)) |
b355b4e0 | 463 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 464 | EXTEND(SP,1); |
748a9306 | 465 | PUSHs((SV*)cv); |
a0d0e21e LW |
466 | RETURN; |
467 | } | |
468 | ||
469 | PP(pp_srefgen) | |
79072805 | 470 | { |
4e35701f | 471 | djSP; |
71be2cbc | 472 | *SP = refto(*SP); |
79072805 | 473 | RETURN; |
8ec5e241 | 474 | } |
a0d0e21e LW |
475 | |
476 | PP(pp_refgen) | |
477 | { | |
4e35701f | 478 | djSP; dMARK; |
a0d0e21e | 479 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
480 | if (++MARK <= SP) |
481 | *MARK = *SP; | |
482 | else | |
3280af22 | 483 | *MARK = &PL_sv_undef; |
5f0b1d4e GS |
484 | *MARK = refto(*MARK); |
485 | SP = MARK; | |
486 | RETURN; | |
a0d0e21e | 487 | } |
bbce6d69 | 488 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 489 | while (++MARK <= SP) |
490 | *MARK = refto(*MARK); | |
a0d0e21e | 491 | RETURN; |
79072805 LW |
492 | } |
493 | ||
76e3520e | 494 | STATIC SV* |
cea2e8a9 | 495 | S_refto(pTHX_ SV *sv) |
71be2cbc | 496 | { |
497 | SV* rv; | |
498 | ||
499 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
500 | if (LvTARGLEN(sv)) | |
68dc0745 | 501 | vivify_defelem(sv); |
502 | if (!(sv = LvTARG(sv))) | |
3280af22 | 503 | sv = &PL_sv_undef; |
0dd88869 | 504 | else |
a6c40364 | 505 | (void)SvREFCNT_inc(sv); |
71be2cbc | 506 | } |
d8b46c1b GS |
507 | else if (SvTYPE(sv) == SVt_PVAV) { |
508 | if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv)) | |
509 | av_reify((AV*)sv); | |
510 | SvTEMP_off(sv); | |
511 | (void)SvREFCNT_inc(sv); | |
512 | } | |
71be2cbc | 513 | else if (SvPADTMP(sv)) |
514 | sv = newSVsv(sv); | |
515 | else { | |
516 | SvTEMP_off(sv); | |
517 | (void)SvREFCNT_inc(sv); | |
518 | } | |
519 | rv = sv_newmortal(); | |
520 | sv_upgrade(rv, SVt_RV); | |
521 | SvRV(rv) = sv; | |
522 | SvROK_on(rv); | |
523 | return rv; | |
524 | } | |
525 | ||
79072805 LW |
526 | PP(pp_ref) |
527 | { | |
4e35701f | 528 | djSP; dTARGET; |
463ee0b2 | 529 | SV *sv; |
79072805 LW |
530 | char *pv; |
531 | ||
a0d0e21e | 532 | sv = POPs; |
f12c7020 | 533 | |
534 | if (sv && SvGMAGICAL(sv)) | |
8ec5e241 | 535 | mg_get(sv); |
f12c7020 | 536 | |
a0d0e21e | 537 | if (!sv || !SvROK(sv)) |
4633a7c4 | 538 | RETPUSHNO; |
79072805 | 539 | |
ed6116ce | 540 | sv = SvRV(sv); |
a0d0e21e | 541 | pv = sv_reftype(sv,TRUE); |
463ee0b2 | 542 | PUSHp(pv, strlen(pv)); |
79072805 LW |
543 | RETURN; |
544 | } | |
545 | ||
546 | PP(pp_bless) | |
547 | { | |
4e35701f | 548 | djSP; |
463ee0b2 | 549 | HV *stash; |
79072805 | 550 | |
463ee0b2 | 551 | if (MAXARG == 1) |
11faa288 | 552 | stash = CopSTASH(PL_curcop); |
7b8d334a GS |
553 | else { |
554 | SV *ssv = POPs; | |
555 | STRLEN len; | |
556 | char *ptr = SvPV(ssv,len); | |
e476b1b5 GS |
557 | if (ckWARN(WARN_MISC) && len == 0) |
558 | Perl_warner(aTHX_ WARN_MISC, | |
599cee73 | 559 | "Explicit blessing to '' (assuming package main)"); |
7b8d334a GS |
560 | stash = gv_stashpvn(ptr, len, TRUE); |
561 | } | |
a0d0e21e | 562 | |
5d3fdfeb | 563 | (void)sv_bless(TOPs, stash); |
79072805 LW |
564 | RETURN; |
565 | } | |
566 | ||
fb73857a | 567 | PP(pp_gelem) |
568 | { | |
569 | GV *gv; | |
570 | SV *sv; | |
76e3520e | 571 | SV *tmpRef; |
fb73857a | 572 | char *elem; |
4e35701f | 573 | djSP; |
2d8e6c8d GS |
574 | STRLEN n_a; |
575 | ||
fb73857a | 576 | sv = POPs; |
2d8e6c8d | 577 | elem = SvPV(sv, n_a); |
fb73857a | 578 | gv = (GV*)POPs; |
76e3520e | 579 | tmpRef = Nullsv; |
fb73857a | 580 | sv = Nullsv; |
581 | switch (elem ? *elem : '\0') | |
582 | { | |
583 | case 'A': | |
584 | if (strEQ(elem, "ARRAY")) | |
76e3520e | 585 | tmpRef = (SV*)GvAV(gv); |
fb73857a | 586 | break; |
587 | case 'C': | |
588 | if (strEQ(elem, "CODE")) | |
76e3520e | 589 | tmpRef = (SV*)GvCVu(gv); |
fb73857a | 590 | break; |
591 | case 'F': | |
592 | if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */ | |
76e3520e | 593 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 594 | break; |
595 | case 'G': | |
596 | if (strEQ(elem, "GLOB")) | |
76e3520e | 597 | tmpRef = (SV*)gv; |
fb73857a | 598 | break; |
599 | case 'H': | |
600 | if (strEQ(elem, "HASH")) | |
76e3520e | 601 | tmpRef = (SV*)GvHV(gv); |
fb73857a | 602 | break; |
603 | case 'I': | |
604 | if (strEQ(elem, "IO")) | |
76e3520e | 605 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 606 | break; |
607 | case 'N': | |
608 | if (strEQ(elem, "NAME")) | |
79cb57f6 | 609 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
fb73857a | 610 | break; |
611 | case 'P': | |
612 | if (strEQ(elem, "PACKAGE")) | |
613 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
614 | break; | |
615 | case 'S': | |
616 | if (strEQ(elem, "SCALAR")) | |
76e3520e | 617 | tmpRef = GvSV(gv); |
fb73857a | 618 | break; |
619 | } | |
76e3520e GS |
620 | if (tmpRef) |
621 | sv = newRV(tmpRef); | |
fb73857a | 622 | if (sv) |
623 | sv_2mortal(sv); | |
624 | else | |
3280af22 | 625 | sv = &PL_sv_undef; |
fb73857a | 626 | XPUSHs(sv); |
627 | RETURN; | |
628 | } | |
629 | ||
a0d0e21e | 630 | /* Pattern matching */ |
79072805 | 631 | |
a0d0e21e | 632 | PP(pp_study) |
79072805 | 633 | { |
4e35701f | 634 | djSP; dPOPss; |
a0d0e21e LW |
635 | register unsigned char *s; |
636 | register I32 pos; | |
637 | register I32 ch; | |
638 | register I32 *sfirst; | |
639 | register I32 *snext; | |
a0d0e21e LW |
640 | STRLEN len; |
641 | ||
3280af22 | 642 | if (sv == PL_lastscream) { |
1e422769 | 643 | if (SvSCREAM(sv)) |
644 | RETPUSHYES; | |
645 | } | |
c07a80fd | 646 | else { |
3280af22 NIS |
647 | if (PL_lastscream) { |
648 | SvSCREAM_off(PL_lastscream); | |
649 | SvREFCNT_dec(PL_lastscream); | |
c07a80fd | 650 | } |
3280af22 | 651 | PL_lastscream = SvREFCNT_inc(sv); |
c07a80fd | 652 | } |
1e422769 | 653 | |
654 | s = (unsigned char*)(SvPV(sv, len)); | |
655 | pos = len; | |
656 | if (pos <= 0) | |
657 | RETPUSHNO; | |
3280af22 NIS |
658 | if (pos > PL_maxscream) { |
659 | if (PL_maxscream < 0) { | |
660 | PL_maxscream = pos + 80; | |
661 | New(301, PL_screamfirst, 256, I32); | |
662 | New(302, PL_screamnext, PL_maxscream, I32); | |
79072805 LW |
663 | } |
664 | else { | |
3280af22 NIS |
665 | PL_maxscream = pos + pos / 4; |
666 | Renew(PL_screamnext, PL_maxscream, I32); | |
79072805 | 667 | } |
79072805 | 668 | } |
a0d0e21e | 669 | |
3280af22 NIS |
670 | sfirst = PL_screamfirst; |
671 | snext = PL_screamnext; | |
a0d0e21e LW |
672 | |
673 | if (!sfirst || !snext) | |
cea2e8a9 | 674 | DIE(aTHX_ "do_study: out of memory"); |
a0d0e21e LW |
675 | |
676 | for (ch = 256; ch; --ch) | |
677 | *sfirst++ = -1; | |
678 | sfirst -= 256; | |
679 | ||
680 | while (--pos >= 0) { | |
681 | ch = s[pos]; | |
682 | if (sfirst[ch] >= 0) | |
683 | snext[pos] = sfirst[ch] - pos; | |
684 | else | |
685 | snext[pos] = -pos; | |
686 | sfirst[ch] = pos; | |
79072805 LW |
687 | } |
688 | ||
c07a80fd | 689 | SvSCREAM_on(sv); |
464e2e8a | 690 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
1e422769 | 691 | RETPUSHYES; |
79072805 LW |
692 | } |
693 | ||
a0d0e21e | 694 | PP(pp_trans) |
79072805 | 695 | { |
4e35701f | 696 | djSP; dTARG; |
a0d0e21e LW |
697 | SV *sv; |
698 | ||
533c011a | 699 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e | 700 | sv = POPs; |
79072805 | 701 | else { |
54b9620d | 702 | sv = DEFSV; |
a0d0e21e | 703 | EXTEND(SP,1); |
79072805 | 704 | } |
adbc6bb1 | 705 | TARG = sv_newmortal(); |
4757a243 | 706 | PUSHi(do_trans(sv)); |
a0d0e21e | 707 | RETURN; |
79072805 LW |
708 | } |
709 | ||
a0d0e21e | 710 | /* Lvalue operators. */ |
79072805 | 711 | |
a0d0e21e LW |
712 | PP(pp_schop) |
713 | { | |
4e35701f | 714 | djSP; dTARGET; |
a0d0e21e LW |
715 | do_chop(TARG, TOPs); |
716 | SETTARG; | |
717 | RETURN; | |
79072805 LW |
718 | } |
719 | ||
a0d0e21e | 720 | PP(pp_chop) |
79072805 | 721 | { |
4e35701f | 722 | djSP; dMARK; dTARGET; |
a0d0e21e LW |
723 | while (SP > MARK) |
724 | do_chop(TARG, POPs); | |
725 | PUSHTARG; | |
726 | RETURN; | |
79072805 LW |
727 | } |
728 | ||
a0d0e21e | 729 | PP(pp_schomp) |
79072805 | 730 | { |
4e35701f | 731 | djSP; dTARGET; |
a0d0e21e LW |
732 | SETi(do_chomp(TOPs)); |
733 | RETURN; | |
79072805 LW |
734 | } |
735 | ||
a0d0e21e | 736 | PP(pp_chomp) |
79072805 | 737 | { |
4e35701f | 738 | djSP; dMARK; dTARGET; |
a0d0e21e | 739 | register I32 count = 0; |
8ec5e241 | 740 | |
a0d0e21e LW |
741 | while (SP > MARK) |
742 | count += do_chomp(POPs); | |
743 | PUSHi(count); | |
744 | RETURN; | |
79072805 LW |
745 | } |
746 | ||
a0d0e21e | 747 | PP(pp_defined) |
463ee0b2 | 748 | { |
4e35701f | 749 | djSP; |
a0d0e21e LW |
750 | register SV* sv; |
751 | ||
752 | sv = POPs; | |
753 | if (!sv || !SvANY(sv)) | |
754 | RETPUSHNO; | |
755 | switch (SvTYPE(sv)) { | |
756 | case SVt_PVAV: | |
6051dbdb | 757 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv,'P'))) |
a0d0e21e LW |
758 | RETPUSHYES; |
759 | break; | |
760 | case SVt_PVHV: | |
6051dbdb | 761 | if (HvARRAY(sv) || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv,'P'))) |
a0d0e21e LW |
762 | RETPUSHYES; |
763 | break; | |
764 | case SVt_PVCV: | |
765 | if (CvROOT(sv) || CvXSUB(sv)) | |
766 | RETPUSHYES; | |
767 | break; | |
768 | default: | |
769 | if (SvGMAGICAL(sv)) | |
770 | mg_get(sv); | |
771 | if (SvOK(sv)) | |
772 | RETPUSHYES; | |
773 | } | |
774 | RETPUSHNO; | |
463ee0b2 LW |
775 | } |
776 | ||
a0d0e21e LW |
777 | PP(pp_undef) |
778 | { | |
4e35701f | 779 | djSP; |
a0d0e21e LW |
780 | SV *sv; |
781 | ||
533c011a | 782 | if (!PL_op->op_private) { |
774d564b | 783 | EXTEND(SP, 1); |
a0d0e21e | 784 | RETPUSHUNDEF; |
774d564b | 785 | } |
79072805 | 786 | |
a0d0e21e LW |
787 | sv = POPs; |
788 | if (!sv) | |
789 | RETPUSHUNDEF; | |
85e6fe83 | 790 | |
6fc92669 GS |
791 | if (SvTHINKFIRST(sv)) |
792 | sv_force_normal(sv); | |
85e6fe83 | 793 | |
a0d0e21e LW |
794 | switch (SvTYPE(sv)) { |
795 | case SVt_NULL: | |
796 | break; | |
797 | case SVt_PVAV: | |
798 | av_undef((AV*)sv); | |
799 | break; | |
800 | case SVt_PVHV: | |
801 | hv_undef((HV*)sv); | |
802 | break; | |
803 | case SVt_PVCV: | |
e476b1b5 GS |
804 | if (ckWARN(WARN_MISC) && cv_const_sv((CV*)sv)) |
805 | Perl_warner(aTHX_ WARN_MISC, "Constant subroutine %s undefined", | |
54310121 | 806 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 807 | /* FALL THROUGH */ |
808 | case SVt_PVFM: | |
6fc92669 GS |
809 | { |
810 | /* let user-undef'd sub keep its identity */ | |
811 | GV* gv = (GV*)SvREFCNT_inc(CvGV((CV*)sv)); | |
812 | cv_undef((CV*)sv); | |
813 | CvGV((CV*)sv) = gv; | |
814 | } | |
a0d0e21e | 815 | break; |
8e07c86e | 816 | case SVt_PVGV: |
44a8e56a | 817 | if (SvFAKE(sv)) |
3280af22 | 818 | SvSetMagicSV(sv, &PL_sv_undef); |
20408e3c GS |
819 | else { |
820 | GP *gp; | |
821 | gp_free((GV*)sv); | |
822 | Newz(602, gp, 1, GP); | |
823 | GvGP(sv) = gp_ref(gp); | |
824 | GvSV(sv) = NEWSV(72,0); | |
57843af0 | 825 | GvLINE(sv) = CopLINE(PL_curcop); |
20408e3c GS |
826 | GvEGV(sv) = (GV*)sv; |
827 | GvMULTI_on(sv); | |
828 | } | |
44a8e56a | 829 | break; |
a0d0e21e | 830 | default: |
1e422769 | 831 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
4633a7c4 LW |
832 | (void)SvOOK_off(sv); |
833 | Safefree(SvPVX(sv)); | |
834 | SvPV_set(sv, Nullch); | |
835 | SvLEN_set(sv, 0); | |
a0d0e21e | 836 | } |
4633a7c4 LW |
837 | (void)SvOK_off(sv); |
838 | SvSETMAGIC(sv); | |
79072805 | 839 | } |
a0d0e21e LW |
840 | |
841 | RETPUSHUNDEF; | |
79072805 LW |
842 | } |
843 | ||
a0d0e21e | 844 | PP(pp_predec) |
79072805 | 845 | { |
4e35701f | 846 | djSP; |
68dc0745 | 847 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 848 | DIE(aTHX_ PL_no_modify); |
25da4f38 | 849 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 850 | SvIVX(TOPs) != IV_MIN) |
851 | { | |
748a9306 | 852 | --SvIVX(TOPs); |
55497cff | 853 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
854 | } |
855 | else | |
856 | sv_dec(TOPs); | |
a0d0e21e LW |
857 | SvSETMAGIC(TOPs); |
858 | return NORMAL; | |
859 | } | |
79072805 | 860 | |
a0d0e21e LW |
861 | PP(pp_postinc) |
862 | { | |
4e35701f | 863 | djSP; dTARGET; |
68dc0745 | 864 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 865 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 866 | sv_setsv(TARG, TOPs); |
25da4f38 | 867 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 868 | SvIVX(TOPs) != IV_MAX) |
869 | { | |
748a9306 | 870 | ++SvIVX(TOPs); |
55497cff | 871 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
872 | } |
873 | else | |
874 | sv_inc(TOPs); | |
a0d0e21e LW |
875 | SvSETMAGIC(TOPs); |
876 | if (!SvOK(TARG)) | |
877 | sv_setiv(TARG, 0); | |
878 | SETs(TARG); | |
879 | return NORMAL; | |
880 | } | |
79072805 | 881 | |
a0d0e21e LW |
882 | PP(pp_postdec) |
883 | { | |
4e35701f | 884 | djSP; dTARGET; |
43192e07 | 885 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
d470f89e | 886 | DIE(aTHX_ PL_no_modify); |
a0d0e21e | 887 | sv_setsv(TARG, TOPs); |
25da4f38 | 888 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 889 | SvIVX(TOPs) != IV_MIN) |
890 | { | |
748a9306 | 891 | --SvIVX(TOPs); |
55497cff | 892 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
893 | } |
894 | else | |
895 | sv_dec(TOPs); | |
a0d0e21e LW |
896 | SvSETMAGIC(TOPs); |
897 | SETs(TARG); | |
898 | return NORMAL; | |
899 | } | |
79072805 | 900 | |
a0d0e21e LW |
901 | /* Ordinary operators. */ |
902 | ||
903 | PP(pp_pow) | |
904 | { | |
8ec5e241 | 905 | djSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
a0d0e21e LW |
906 | { |
907 | dPOPTOPnnrl; | |
73b309ea | 908 | SETn( Perl_pow( left, right) ); |
a0d0e21e | 909 | RETURN; |
93a17b20 | 910 | } |
a0d0e21e LW |
911 | } |
912 | ||
913 | PP(pp_multiply) | |
914 | { | |
8ec5e241 | 915 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
916 | { |
917 | dPOPTOPnnrl; | |
918 | SETn( left * right ); | |
919 | RETURN; | |
79072805 | 920 | } |
a0d0e21e LW |
921 | } |
922 | ||
923 | PP(pp_divide) | |
924 | { | |
8ec5e241 | 925 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e | 926 | { |
77676ba1 | 927 | dPOPPOPnnrl; |
65202027 | 928 | NV value; |
7a4c00b4 | 929 | if (right == 0.0) |
cea2e8a9 | 930 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
931 | #ifdef SLOPPYDIVIDE |
932 | /* insure that 20./5. == 4. */ | |
933 | { | |
7a4c00b4 | 934 | IV k; |
65202027 DS |
935 | if ((NV)I_V(left) == left && |
936 | (NV)I_V(right) == right && | |
7a4c00b4 | 937 | (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) { |
a0d0e21e | 938 | value = k; |
ef54e1a4 JH |
939 | } |
940 | else { | |
7a4c00b4 | 941 | value = left / right; |
79072805 | 942 | } |
a0d0e21e LW |
943 | } |
944 | #else | |
7a4c00b4 | 945 | value = left / right; |
a0d0e21e LW |
946 | #endif |
947 | PUSHn( value ); | |
948 | RETURN; | |
79072805 | 949 | } |
a0d0e21e LW |
950 | } |
951 | ||
952 | PP(pp_modulo) | |
953 | { | |
76e3520e | 954 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
a0d0e21e | 955 | { |
787eafbd IZ |
956 | UV left; |
957 | UV right; | |
958 | bool left_neg; | |
959 | bool right_neg; | |
960 | bool use_double = 0; | |
65202027 DS |
961 | NV dright; |
962 | NV dleft; | |
787eafbd IZ |
963 | |
964 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { | |
965 | IV i = SvIVX(POPs); | |
966 | right = (right_neg = (i < 0)) ? -i : i; | |
967 | } | |
968 | else { | |
969 | dright = POPn; | |
970 | use_double = 1; | |
971 | right_neg = dright < 0; | |
972 | if (right_neg) | |
973 | dright = -dright; | |
974 | } | |
a0d0e21e | 975 | |
787eafbd IZ |
976 | if (!use_double && SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
977 | IV i = SvIVX(POPs); | |
978 | left = (left_neg = (i < 0)) ? -i : i; | |
979 | } | |
980 | else { | |
981 | dleft = POPn; | |
982 | if (!use_double) { | |
a1bd196e GS |
983 | use_double = 1; |
984 | dright = right; | |
787eafbd IZ |
985 | } |
986 | left_neg = dleft < 0; | |
987 | if (left_neg) | |
988 | dleft = -dleft; | |
989 | } | |
68dc0745 | 990 | |
787eafbd | 991 | if (use_double) { |
65202027 | 992 | NV dans; |
787eafbd IZ |
993 | |
994 | #if 1 | |
787eafbd IZ |
995 | /* Somehow U_V is pessimized even if CASTFLAGS is 0 */ |
996 | # if CASTFLAGS & 2 | |
997 | # define CAST_D2UV(d) U_V(d) | |
998 | # else | |
999 | # define CAST_D2UV(d) ((UV)(d)) | |
1000 | # endif | |
a1bd196e GS |
1001 | /* Tried to do this only in the case DOUBLESIZE <= UV_SIZE, |
1002 | * or, in other words, precision of UV more than of NV. | |
1003 | * But in fact the approach below turned out to be an | |
1004 | * optimization - floor() may be slow */ | |
787eafbd IZ |
1005 | if (dright <= UV_MAX && dleft <= UV_MAX) { |
1006 | right = CAST_D2UV(dright); | |
1007 | left = CAST_D2UV(dleft); | |
1008 | goto do_uv; | |
1009 | } | |
1010 | #endif | |
1011 | ||
1012 | /* Backward-compatibility clause: */ | |
73b309ea JH |
1013 | dright = Perl_floor(dright + 0.5); |
1014 | dleft = Perl_floor(dleft + 0.5); | |
787eafbd IZ |
1015 | |
1016 | if (!dright) | |
cea2e8a9 | 1017 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd | 1018 | |
65202027 | 1019 | dans = Perl_fmod(dleft, dright); |
787eafbd IZ |
1020 | if ((left_neg != right_neg) && dans) |
1021 | dans = dright - dans; | |
1022 | if (right_neg) | |
1023 | dans = -dans; | |
1024 | sv_setnv(TARG, dans); | |
1025 | } | |
1026 | else { | |
1027 | UV ans; | |
1028 | ||
1029 | do_uv: | |
1030 | if (!right) | |
cea2e8a9 | 1031 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd IZ |
1032 | |
1033 | ans = left % right; | |
1034 | if ((left_neg != right_neg) && ans) | |
1035 | ans = right - ans; | |
1036 | if (right_neg) { | |
1037 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
1038 | /* could change -foo to be (~foo)+1 instead */ | |
1039 | if (ans <= ~((UV)IV_MAX)+1) | |
1040 | sv_setiv(TARG, ~ans+1); | |
1041 | else | |
65202027 | 1042 | sv_setnv(TARG, -(NV)ans); |
787eafbd IZ |
1043 | } |
1044 | else | |
1045 | sv_setuv(TARG, ans); | |
1046 | } | |
1047 | PUSHTARG; | |
1048 | RETURN; | |
79072805 | 1049 | } |
a0d0e21e | 1050 | } |
79072805 | 1051 | |
a0d0e21e LW |
1052 | PP(pp_repeat) |
1053 | { | |
4e35701f | 1054 | djSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 1055 | { |
a0d0e21e | 1056 | register I32 count = POPi; |
533c011a | 1057 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
a0d0e21e LW |
1058 | dMARK; |
1059 | I32 items = SP - MARK; | |
1060 | I32 max; | |
79072805 | 1061 | |
a0d0e21e LW |
1062 | max = items * count; |
1063 | MEXTEND(MARK, max); | |
1064 | if (count > 1) { | |
1065 | while (SP > MARK) { | |
1066 | if (*SP) | |
1067 | SvTEMP_off((*SP)); | |
1068 | SP--; | |
79072805 | 1069 | } |
a0d0e21e LW |
1070 | MARK++; |
1071 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
1072 | items * sizeof(SV*), count - 1); | |
1073 | SP += max; | |
79072805 | 1074 | } |
a0d0e21e LW |
1075 | else if (count <= 0) |
1076 | SP -= items; | |
79072805 | 1077 | } |
a0d0e21e LW |
1078 | else { /* Note: mark already snarfed by pp_list */ |
1079 | SV *tmpstr; | |
1080 | STRLEN len; | |
1081 | ||
1082 | tmpstr = POPs; | |
a0d0e21e LW |
1083 | SvSetSV(TARG, tmpstr); |
1084 | SvPV_force(TARG, len); | |
8ebc5c01 | 1085 | if (count != 1) { |
1086 | if (count < 1) | |
1087 | SvCUR_set(TARG, 0); | |
1088 | else { | |
1089 | SvGROW(TARG, (count * len) + 1); | |
a0d0e21e | 1090 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
8ebc5c01 | 1091 | SvCUR(TARG) *= count; |
7a4c00b4 | 1092 | } |
a0d0e21e | 1093 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1094 | } |
8ebc5c01 | 1095 | (void)SvPOK_only(TARG); |
a0d0e21e | 1096 | PUSHTARG; |
79072805 | 1097 | } |
a0d0e21e | 1098 | RETURN; |
748a9306 | 1099 | } |
a0d0e21e | 1100 | } |
79072805 | 1101 | |
a0d0e21e LW |
1102 | PP(pp_subtract) |
1103 | { | |
8ec5e241 | 1104 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 1105 | { |
7a4c00b4 | 1106 | dPOPTOPnnrl_ul; |
a0d0e21e LW |
1107 | SETn( left - right ); |
1108 | RETURN; | |
79072805 | 1109 | } |
a0d0e21e | 1110 | } |
79072805 | 1111 | |
a0d0e21e LW |
1112 | PP(pp_left_shift) |
1113 | { | |
8ec5e241 | 1114 | djSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1115 | { |
972b05a9 | 1116 | IV shift = POPi; |
d0ba1bd2 | 1117 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1118 | IV i = TOPi; |
1119 | SETi(i << shift); | |
d0ba1bd2 JH |
1120 | } |
1121 | else { | |
972b05a9 JH |
1122 | UV u = TOPu; |
1123 | SETu(u << shift); | |
d0ba1bd2 | 1124 | } |
55497cff | 1125 | RETURN; |
79072805 | 1126 | } |
a0d0e21e | 1127 | } |
79072805 | 1128 | |
a0d0e21e LW |
1129 | PP(pp_right_shift) |
1130 | { | |
8ec5e241 | 1131 | djSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1132 | { |
972b05a9 | 1133 | IV shift = POPi; |
d0ba1bd2 | 1134 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1135 | IV i = TOPi; |
1136 | SETi(i >> shift); | |
d0ba1bd2 JH |
1137 | } |
1138 | else { | |
972b05a9 JH |
1139 | UV u = TOPu; |
1140 | SETu(u >> shift); | |
d0ba1bd2 | 1141 | } |
a0d0e21e | 1142 | RETURN; |
93a17b20 | 1143 | } |
79072805 LW |
1144 | } |
1145 | ||
a0d0e21e | 1146 | PP(pp_lt) |
79072805 | 1147 | { |
8ec5e241 | 1148 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1149 | { |
1150 | dPOPnv; | |
54310121 | 1151 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1152 | RETURN; |
79072805 | 1153 | } |
a0d0e21e | 1154 | } |
79072805 | 1155 | |
a0d0e21e LW |
1156 | PP(pp_gt) |
1157 | { | |
8ec5e241 | 1158 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1159 | { |
1160 | dPOPnv; | |
54310121 | 1161 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1162 | RETURN; |
79072805 | 1163 | } |
a0d0e21e LW |
1164 | } |
1165 | ||
1166 | PP(pp_le) | |
1167 | { | |
8ec5e241 | 1168 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1169 | { |
1170 | dPOPnv; | |
54310121 | 1171 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1172 | RETURN; |
79072805 | 1173 | } |
a0d0e21e LW |
1174 | } |
1175 | ||
1176 | PP(pp_ge) | |
1177 | { | |
8ec5e241 | 1178 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1179 | { |
1180 | dPOPnv; | |
54310121 | 1181 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1182 | RETURN; |
79072805 | 1183 | } |
a0d0e21e | 1184 | } |
79072805 | 1185 | |
a0d0e21e LW |
1186 | PP(pp_ne) |
1187 | { | |
8ec5e241 | 1188 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1189 | { |
1190 | dPOPnv; | |
54310121 | 1191 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
1192 | RETURN; |
1193 | } | |
79072805 LW |
1194 | } |
1195 | ||
a0d0e21e | 1196 | PP(pp_ncmp) |
79072805 | 1197 | { |
8ec5e241 | 1198 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1199 | { |
1200 | dPOPTOPnnrl; | |
1201 | I32 value; | |
79072805 | 1202 | |
ff0cee69 | 1203 | if (left == right) |
a0d0e21e | 1204 | value = 0; |
a0d0e21e LW |
1205 | else if (left < right) |
1206 | value = -1; | |
44a8e56a | 1207 | else if (left > right) |
1208 | value = 1; | |
1209 | else { | |
3280af22 | 1210 | SETs(&PL_sv_undef); |
44a8e56a | 1211 | RETURN; |
1212 | } | |
a0d0e21e LW |
1213 | SETi(value); |
1214 | RETURN; | |
79072805 | 1215 | } |
a0d0e21e | 1216 | } |
79072805 | 1217 | |
a0d0e21e LW |
1218 | PP(pp_slt) |
1219 | { | |
8ec5e241 | 1220 | djSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
1221 | { |
1222 | dPOPTOPssrl; | |
533c011a | 1223 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1224 | ? sv_cmp_locale(left, right) |
1225 | : sv_cmp(left, right)); | |
54310121 | 1226 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
1227 | RETURN; |
1228 | } | |
79072805 LW |
1229 | } |
1230 | ||
a0d0e21e | 1231 | PP(pp_sgt) |
79072805 | 1232 | { |
8ec5e241 | 1233 | djSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
1234 | { |
1235 | dPOPTOPssrl; | |
533c011a | 1236 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1237 | ? sv_cmp_locale(left, right) |
1238 | : sv_cmp(left, right)); | |
54310121 | 1239 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
1240 | RETURN; |
1241 | } | |
1242 | } | |
79072805 | 1243 | |
a0d0e21e LW |
1244 | PP(pp_sle) |
1245 | { | |
8ec5e241 | 1246 | djSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
1247 | { |
1248 | dPOPTOPssrl; | |
533c011a | 1249 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1250 | ? sv_cmp_locale(left, right) |
1251 | : sv_cmp(left, right)); | |
54310121 | 1252 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 1253 | RETURN; |
79072805 | 1254 | } |
79072805 LW |
1255 | } |
1256 | ||
a0d0e21e LW |
1257 | PP(pp_sge) |
1258 | { | |
8ec5e241 | 1259 | djSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
1260 | { |
1261 | dPOPTOPssrl; | |
533c011a | 1262 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1263 | ? sv_cmp_locale(left, right) |
1264 | : sv_cmp(left, right)); | |
54310121 | 1265 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
1266 | RETURN; |
1267 | } | |
1268 | } | |
79072805 | 1269 | |
36477c24 | 1270 | PP(pp_seq) |
1271 | { | |
8ec5e241 | 1272 | djSP; tryAMAGICbinSET(seq,0); |
36477c24 | 1273 | { |
1274 | dPOPTOPssrl; | |
54310121 | 1275 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
1276 | RETURN; |
1277 | } | |
1278 | } | |
79072805 | 1279 | |
a0d0e21e | 1280 | PP(pp_sne) |
79072805 | 1281 | { |
8ec5e241 | 1282 | djSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
1283 | { |
1284 | dPOPTOPssrl; | |
54310121 | 1285 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 1286 | RETURN; |
463ee0b2 | 1287 | } |
79072805 LW |
1288 | } |
1289 | ||
a0d0e21e | 1290 | PP(pp_scmp) |
79072805 | 1291 | { |
4e35701f | 1292 | djSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
1293 | { |
1294 | dPOPTOPssrl; | |
533c011a | 1295 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1296 | ? sv_cmp_locale(left, right) |
1297 | : sv_cmp(left, right)); | |
1298 | SETi( cmp ); | |
a0d0e21e LW |
1299 | RETURN; |
1300 | } | |
1301 | } | |
79072805 | 1302 | |
55497cff | 1303 | PP(pp_bit_and) |
1304 | { | |
8ec5e241 | 1305 | djSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
1306 | { |
1307 | dPOPTOPssrl; | |
4633a7c4 | 1308 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 1309 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1310 | IV i = SvIV(left) & SvIV(right); |
1311 | SETi(i); | |
d0ba1bd2 JH |
1312 | } |
1313 | else { | |
972b05a9 JH |
1314 | UV u = SvUV(left) & SvUV(right); |
1315 | SETu(u); | |
d0ba1bd2 | 1316 | } |
a0d0e21e LW |
1317 | } |
1318 | else { | |
533c011a | 1319 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1320 | SETTARG; |
1321 | } | |
1322 | RETURN; | |
1323 | } | |
1324 | } | |
79072805 | 1325 | |
a0d0e21e LW |
1326 | PP(pp_bit_xor) |
1327 | { | |
8ec5e241 | 1328 | djSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
1329 | { |
1330 | dPOPTOPssrl; | |
4633a7c4 | 1331 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 1332 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1333 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
1334 | SETi(i); | |
d0ba1bd2 JH |
1335 | } |
1336 | else { | |
972b05a9 JH |
1337 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
1338 | SETu(u); | |
d0ba1bd2 | 1339 | } |
a0d0e21e LW |
1340 | } |
1341 | else { | |
533c011a | 1342 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1343 | SETTARG; |
1344 | } | |
1345 | RETURN; | |
1346 | } | |
1347 | } | |
79072805 | 1348 | |
a0d0e21e LW |
1349 | PP(pp_bit_or) |
1350 | { | |
8ec5e241 | 1351 | djSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
1352 | { |
1353 | dPOPTOPssrl; | |
4633a7c4 | 1354 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 1355 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1356 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
1357 | SETi(i); | |
d0ba1bd2 JH |
1358 | } |
1359 | else { | |
972b05a9 JH |
1360 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
1361 | SETu(u); | |
d0ba1bd2 | 1362 | } |
a0d0e21e LW |
1363 | } |
1364 | else { | |
533c011a | 1365 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1366 | SETTARG; |
1367 | } | |
1368 | RETURN; | |
79072805 | 1369 | } |
a0d0e21e | 1370 | } |
79072805 | 1371 | |
a0d0e21e LW |
1372 | PP(pp_negate) |
1373 | { | |
4e35701f | 1374 | djSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
1375 | { |
1376 | dTOPss; | |
4633a7c4 LW |
1377 | if (SvGMAGICAL(sv)) |
1378 | mg_get(sv); | |
55497cff | 1379 | if (SvIOKp(sv) && !SvNOKp(sv) && !SvPOKp(sv) && SvIVX(sv) != IV_MIN) |
1380 | SETi(-SvIVX(sv)); | |
1381 | else if (SvNIOKp(sv)) | |
a0d0e21e | 1382 | SETn(-SvNV(sv)); |
4633a7c4 | 1383 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
1384 | STRLEN len; |
1385 | char *s = SvPV(sv, len); | |
bbce6d69 | 1386 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
1387 | sv_setpvn(TARG, "-", 1); |
1388 | sv_catsv(TARG, sv); | |
79072805 | 1389 | } |
a0d0e21e LW |
1390 | else if (*s == '+' || *s == '-') { |
1391 | sv_setsv(TARG, sv); | |
1392 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 | 1393 | } |
7e2040f0 | 1394 | else if (DO_UTF8(sv) && *(U8*)s >= 0xc0 && isIDFIRST_utf8((U8*)s)) { |
834a4ddd LW |
1395 | sv_setpvn(TARG, "-", 1); |
1396 | sv_catsv(TARG, sv); | |
1397 | } | |
79072805 | 1398 | else |
a0d0e21e LW |
1399 | sv_setnv(TARG, -SvNV(sv)); |
1400 | SETTARG; | |
79072805 | 1401 | } |
4633a7c4 LW |
1402 | else |
1403 | SETn(-SvNV(sv)); | |
79072805 | 1404 | } |
a0d0e21e | 1405 | RETURN; |
79072805 LW |
1406 | } |
1407 | ||
a0d0e21e | 1408 | PP(pp_not) |
79072805 | 1409 | { |
4e35701f | 1410 | djSP; tryAMAGICunSET(not); |
3280af22 | 1411 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 1412 | return NORMAL; |
79072805 LW |
1413 | } |
1414 | ||
a0d0e21e | 1415 | PP(pp_complement) |
79072805 | 1416 | { |
8ec5e241 | 1417 | djSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
1418 | { |
1419 | dTOPss; | |
4633a7c4 | 1420 | if (SvNIOKp(sv)) { |
d0ba1bd2 | 1421 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1422 | IV i = ~SvIV(sv); |
1423 | SETi(i); | |
d0ba1bd2 JH |
1424 | } |
1425 | else { | |
972b05a9 JH |
1426 | UV u = ~SvUV(sv); |
1427 | SETu(u); | |
d0ba1bd2 | 1428 | } |
a0d0e21e LW |
1429 | } |
1430 | else { | |
1431 | register char *tmps; | |
1432 | register long *tmpl; | |
55497cff | 1433 | register I32 anum; |
a0d0e21e LW |
1434 | STRLEN len; |
1435 | ||
1436 | SvSetSV(TARG, sv); | |
1437 | tmps = SvPV_force(TARG, len); | |
1438 | anum = len; | |
1439 | #ifdef LIBERAL | |
1440 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
1441 | *tmps = ~*tmps; | |
1442 | tmpl = (long*)tmps; | |
1443 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
1444 | *tmpl = ~*tmpl; | |
1445 | tmps = (char*)tmpl; | |
1446 | #endif | |
1447 | for ( ; anum > 0; anum--, tmps++) | |
1448 | *tmps = ~*tmps; | |
1449 | ||
1450 | SETs(TARG); | |
1451 | } | |
1452 | RETURN; | |
1453 | } | |
79072805 LW |
1454 | } |
1455 | ||
a0d0e21e LW |
1456 | /* integer versions of some of the above */ |
1457 | ||
a0d0e21e | 1458 | PP(pp_i_multiply) |
79072805 | 1459 | { |
8ec5e241 | 1460 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
1461 | { |
1462 | dPOPTOPiirl; | |
1463 | SETi( left * right ); | |
1464 | RETURN; | |
1465 | } | |
79072805 LW |
1466 | } |
1467 | ||
a0d0e21e | 1468 | PP(pp_i_divide) |
79072805 | 1469 | { |
8ec5e241 | 1470 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
1471 | { |
1472 | dPOPiv; | |
1473 | if (value == 0) | |
cea2e8a9 | 1474 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
1475 | value = POPi / value; |
1476 | PUSHi( value ); | |
1477 | RETURN; | |
1478 | } | |
79072805 LW |
1479 | } |
1480 | ||
a0d0e21e | 1481 | PP(pp_i_modulo) |
79072805 | 1482 | { |
76e3520e | 1483 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
79072805 | 1484 | { |
a0d0e21e | 1485 | dPOPTOPiirl; |
aa306039 | 1486 | if (!right) |
cea2e8a9 | 1487 | DIE(aTHX_ "Illegal modulus zero"); |
a0d0e21e LW |
1488 | SETi( left % right ); |
1489 | RETURN; | |
79072805 | 1490 | } |
79072805 LW |
1491 | } |
1492 | ||
a0d0e21e | 1493 | PP(pp_i_add) |
79072805 | 1494 | { |
8ec5e241 | 1495 | djSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e LW |
1496 | { |
1497 | dPOPTOPiirl; | |
1498 | SETi( left + right ); | |
1499 | RETURN; | |
79072805 | 1500 | } |
79072805 LW |
1501 | } |
1502 | ||
a0d0e21e | 1503 | PP(pp_i_subtract) |
79072805 | 1504 | { |
8ec5e241 | 1505 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e LW |
1506 | { |
1507 | dPOPTOPiirl; | |
1508 | SETi( left - right ); | |
1509 | RETURN; | |
79072805 | 1510 | } |
79072805 LW |
1511 | } |
1512 | ||
a0d0e21e | 1513 | PP(pp_i_lt) |
79072805 | 1514 | { |
8ec5e241 | 1515 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1516 | { |
1517 | dPOPTOPiirl; | |
54310121 | 1518 | SETs(boolSV(left < right)); |
a0d0e21e LW |
1519 | RETURN; |
1520 | } | |
79072805 LW |
1521 | } |
1522 | ||
a0d0e21e | 1523 | PP(pp_i_gt) |
79072805 | 1524 | { |
8ec5e241 | 1525 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1526 | { |
1527 | dPOPTOPiirl; | |
54310121 | 1528 | SETs(boolSV(left > right)); |
a0d0e21e LW |
1529 | RETURN; |
1530 | } | |
79072805 LW |
1531 | } |
1532 | ||
a0d0e21e | 1533 | PP(pp_i_le) |
79072805 | 1534 | { |
8ec5e241 | 1535 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1536 | { |
1537 | dPOPTOPiirl; | |
54310121 | 1538 | SETs(boolSV(left <= right)); |
a0d0e21e | 1539 | RETURN; |
85e6fe83 | 1540 | } |
79072805 LW |
1541 | } |
1542 | ||
a0d0e21e | 1543 | PP(pp_i_ge) |
79072805 | 1544 | { |
8ec5e241 | 1545 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1546 | { |
1547 | dPOPTOPiirl; | |
54310121 | 1548 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
1549 | RETURN; |
1550 | } | |
79072805 LW |
1551 | } |
1552 | ||
a0d0e21e | 1553 | PP(pp_i_eq) |
79072805 | 1554 | { |
8ec5e241 | 1555 | djSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
1556 | { |
1557 | dPOPTOPiirl; | |
54310121 | 1558 | SETs(boolSV(left == right)); |
a0d0e21e LW |
1559 | RETURN; |
1560 | } | |
79072805 LW |
1561 | } |
1562 | ||
a0d0e21e | 1563 | PP(pp_i_ne) |
79072805 | 1564 | { |
8ec5e241 | 1565 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1566 | { |
1567 | dPOPTOPiirl; | |
54310121 | 1568 | SETs(boolSV(left != right)); |
a0d0e21e LW |
1569 | RETURN; |
1570 | } | |
79072805 LW |
1571 | } |
1572 | ||
a0d0e21e | 1573 | PP(pp_i_ncmp) |
79072805 | 1574 | { |
8ec5e241 | 1575 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1576 | { |
1577 | dPOPTOPiirl; | |
1578 | I32 value; | |
79072805 | 1579 | |
a0d0e21e | 1580 | if (left > right) |
79072805 | 1581 | value = 1; |
a0d0e21e | 1582 | else if (left < right) |
79072805 | 1583 | value = -1; |
a0d0e21e | 1584 | else |
79072805 | 1585 | value = 0; |
a0d0e21e LW |
1586 | SETi(value); |
1587 | RETURN; | |
79072805 | 1588 | } |
85e6fe83 LW |
1589 | } |
1590 | ||
1591 | PP(pp_i_negate) | |
1592 | { | |
4e35701f | 1593 | djSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
1594 | SETi(-TOPi); |
1595 | RETURN; | |
1596 | } | |
1597 | ||
79072805 LW |
1598 | /* High falutin' math. */ |
1599 | ||
1600 | PP(pp_atan2) | |
1601 | { | |
8ec5e241 | 1602 | djSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
1603 | { |
1604 | dPOPTOPnnrl; | |
65202027 | 1605 | SETn(Perl_atan2(left, right)); |
a0d0e21e LW |
1606 | RETURN; |
1607 | } | |
79072805 LW |
1608 | } |
1609 | ||
1610 | PP(pp_sin) | |
1611 | { | |
4e35701f | 1612 | djSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e | 1613 | { |
65202027 | 1614 | NV value; |
a0d0e21e | 1615 | value = POPn; |
65202027 | 1616 | value = Perl_sin(value); |
a0d0e21e LW |
1617 | XPUSHn(value); |
1618 | RETURN; | |
1619 | } | |
79072805 LW |
1620 | } |
1621 | ||
1622 | PP(pp_cos) | |
1623 | { | |
4e35701f | 1624 | djSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e | 1625 | { |
65202027 | 1626 | NV value; |
a0d0e21e | 1627 | value = POPn; |
65202027 | 1628 | value = Perl_cos(value); |
a0d0e21e LW |
1629 | XPUSHn(value); |
1630 | RETURN; | |
1631 | } | |
79072805 LW |
1632 | } |
1633 | ||
56cb0a1c AD |
1634 | /* Support Configure command-line overrides for rand() functions. |
1635 | After 5.005, perhaps we should replace this by Configure support | |
1636 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
1637 | compatibility by calling rand() but allow the user to override it. | |
1638 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
1639 | */ | |
85ab1d1d JH |
1640 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
1641 | in addition to rand(). So the overrides should not be needed any more. | |
1642 | --Jarkko Hietaniemi 27 September 1998 | |
1643 | */ | |
1644 | ||
1645 | #ifndef HAS_DRAND48_PROTO | |
20ce7b12 | 1646 | extern double drand48 (void); |
56cb0a1c AD |
1647 | #endif |
1648 | ||
79072805 LW |
1649 | PP(pp_rand) |
1650 | { | |
4e35701f | 1651 | djSP; dTARGET; |
65202027 | 1652 | NV value; |
79072805 LW |
1653 | if (MAXARG < 1) |
1654 | value = 1.0; | |
1655 | else | |
1656 | value = POPn; | |
1657 | if (value == 0.0) | |
1658 | value = 1.0; | |
80252599 | 1659 | if (!PL_srand_called) { |
85ab1d1d | 1660 | (void)seedDrand01((Rand_seed_t)seed()); |
80252599 | 1661 | PL_srand_called = TRUE; |
93dc8474 | 1662 | } |
85ab1d1d | 1663 | value *= Drand01(); |
79072805 LW |
1664 | XPUSHn(value); |
1665 | RETURN; | |
1666 | } | |
1667 | ||
1668 | PP(pp_srand) | |
1669 | { | |
4e35701f | 1670 | djSP; |
93dc8474 CS |
1671 | UV anum; |
1672 | if (MAXARG < 1) | |
1673 | anum = seed(); | |
79072805 | 1674 | else |
93dc8474 | 1675 | anum = POPu; |
85ab1d1d | 1676 | (void)seedDrand01((Rand_seed_t)anum); |
80252599 | 1677 | PL_srand_called = TRUE; |
79072805 LW |
1678 | EXTEND(SP, 1); |
1679 | RETPUSHYES; | |
1680 | } | |
1681 | ||
76e3520e | 1682 | STATIC U32 |
cea2e8a9 | 1683 | S_seed(pTHX) |
93dc8474 | 1684 | { |
54310121 | 1685 | /* |
1686 | * This is really just a quick hack which grabs various garbage | |
1687 | * values. It really should be a real hash algorithm which | |
1688 | * spreads the effect of every input bit onto every output bit, | |
85ab1d1d | 1689 | * if someone who knows about such things would bother to write it. |
54310121 | 1690 | * Might be a good idea to add that function to CORE as well. |
85ab1d1d | 1691 | * No numbers below come from careful analysis or anything here, |
54310121 | 1692 | * except they are primes and SEED_C1 > 1E6 to get a full-width |
1693 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
1694 | * probably be bigger too. | |
1695 | */ | |
1696 | #if RANDBITS > 16 | |
1697 | # define SEED_C1 1000003 | |
1698 | #define SEED_C4 73819 | |
1699 | #else | |
1700 | # define SEED_C1 25747 | |
1701 | #define SEED_C4 20639 | |
1702 | #endif | |
1703 | #define SEED_C2 3 | |
1704 | #define SEED_C3 269 | |
1705 | #define SEED_C5 26107 | |
1706 | ||
e858de61 | 1707 | dTHR; |
73c60299 RS |
1708 | #ifndef PERL_NO_DEV_RANDOM |
1709 | int fd; | |
1710 | #endif | |
93dc8474 | 1711 | U32 u; |
f12c7020 | 1712 | #ifdef VMS |
1713 | # include <starlet.h> | |
43c92808 HF |
1714 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
1715 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 | 1716 | unsigned int when[2]; |
73c60299 RS |
1717 | #else |
1718 | # ifdef HAS_GETTIMEOFDAY | |
1719 | struct timeval when; | |
1720 | # else | |
1721 | Time_t when; | |
1722 | # endif | |
1723 | #endif | |
1724 | ||
1725 | /* This test is an escape hatch, this symbol isn't set by Configure. */ | |
1726 | #ifndef PERL_NO_DEV_RANDOM | |
1727 | #ifndef PERL_RANDOM_DEVICE | |
1728 | /* /dev/random isn't used by default because reads from it will block | |
1729 | * if there isn't enough entropy available. You can compile with | |
1730 | * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there | |
1731 | * is enough real entropy to fill the seed. */ | |
1732 | # define PERL_RANDOM_DEVICE "/dev/urandom" | |
1733 | #endif | |
1734 | fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0); | |
1735 | if (fd != -1) { | |
1736 | if (PerlLIO_read(fd, &u, sizeof u) != sizeof u) | |
1737 | u = 0; | |
1738 | PerlLIO_close(fd); | |
1739 | if (u) | |
1740 | return u; | |
1741 | } | |
1742 | #endif | |
1743 | ||
1744 | #ifdef VMS | |
93dc8474 | 1745 | _ckvmssts(sys$gettim(when)); |
54310121 | 1746 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 1747 | #else |
5f05dabc | 1748 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 | 1749 | gettimeofday(&when,(struct timezone *) 0); |
54310121 | 1750 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 1751 | # else |
93dc8474 | 1752 | (void)time(&when); |
54310121 | 1753 | u = (U32)SEED_C1 * when; |
f12c7020 | 1754 | # endif |
1755 | #endif | |
7766f137 | 1756 | u += SEED_C3 * (U32)PerlProc_getpid(); |
56431972 | 1757 | u += SEED_C4 * (U32)PTR2UV(PL_stack_sp); |
54310121 | 1758 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
56431972 | 1759 | u += SEED_C5 * (U32)PTR2UV(&when); |
f12c7020 | 1760 | #endif |
93dc8474 | 1761 | return u; |
79072805 LW |
1762 | } |
1763 | ||
1764 | PP(pp_exp) | |
1765 | { | |
4e35701f | 1766 | djSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e | 1767 | { |
65202027 | 1768 | NV value; |
a0d0e21e | 1769 | value = POPn; |
65202027 | 1770 | value = Perl_exp(value); |
a0d0e21e LW |
1771 | XPUSHn(value); |
1772 | RETURN; | |
1773 | } | |
79072805 LW |
1774 | } |
1775 | ||
1776 | PP(pp_log) | |
1777 | { | |
4e35701f | 1778 | djSP; dTARGET; tryAMAGICun(log); |
a0d0e21e | 1779 | { |
65202027 | 1780 | NV value; |
a0d0e21e | 1781 | value = POPn; |
bbce6d69 | 1782 | if (value <= 0.0) { |
097ee67d | 1783 | RESTORE_NUMERIC_STANDARD(); |
cea2e8a9 | 1784 | DIE(aTHX_ "Can't take log of %g", value); |
bbce6d69 | 1785 | } |
65202027 | 1786 | value = Perl_log(value); |
a0d0e21e LW |
1787 | XPUSHn(value); |
1788 | RETURN; | |
1789 | } | |
79072805 LW |
1790 | } |
1791 | ||
1792 | PP(pp_sqrt) | |
1793 | { | |
4e35701f | 1794 | djSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e | 1795 | { |
65202027 | 1796 | NV value; |
a0d0e21e | 1797 | value = POPn; |
bbce6d69 | 1798 | if (value < 0.0) { |
097ee67d | 1799 | RESTORE_NUMERIC_STANDARD(); |
cea2e8a9 | 1800 | DIE(aTHX_ "Can't take sqrt of %g", value); |
bbce6d69 | 1801 | } |
65202027 | 1802 | value = Perl_sqrt(value); |
a0d0e21e LW |
1803 | XPUSHn(value); |
1804 | RETURN; | |
1805 | } | |
79072805 LW |
1806 | } |
1807 | ||
1808 | PP(pp_int) | |
1809 | { | |
4e35701f | 1810 | djSP; dTARGET; |
774d564b | 1811 | { |
65202027 | 1812 | NV value = TOPn; |
774d564b | 1813 | IV iv; |
1814 | ||
1815 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs)) { | |
1816 | iv = SvIVX(TOPs); | |
1817 | SETi(iv); | |
1818 | } | |
1819 | else { | |
1820 | if (value >= 0.0) | |
65202027 | 1821 | (void)Perl_modf(value, &value); |
774d564b | 1822 | else { |
65202027 | 1823 | (void)Perl_modf(-value, &value); |
774d564b | 1824 | value = -value; |
1825 | } | |
1826 | iv = I_V(value); | |
1827 | if (iv == value) | |
1828 | SETi(iv); | |
1829 | else | |
1830 | SETn(value); | |
1831 | } | |
79072805 | 1832 | } |
79072805 LW |
1833 | RETURN; |
1834 | } | |
1835 | ||
463ee0b2 LW |
1836 | PP(pp_abs) |
1837 | { | |
4e35701f | 1838 | djSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 1839 | { |
65202027 | 1840 | NV value = TOPn; |
774d564b | 1841 | IV iv; |
463ee0b2 | 1842 | |
774d564b | 1843 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs) && |
1844 | (iv = SvIVX(TOPs)) != IV_MIN) { | |
1845 | if (iv < 0) | |
1846 | iv = -iv; | |
1847 | SETi(iv); | |
1848 | } | |
1849 | else { | |
1850 | if (value < 0.0) | |
1851 | value = -value; | |
1852 | SETn(value); | |
1853 | } | |
a0d0e21e | 1854 | } |
774d564b | 1855 | RETURN; |
463ee0b2 LW |
1856 | } |
1857 | ||
79072805 LW |
1858 | PP(pp_hex) |
1859 | { | |
4e35701f | 1860 | djSP; dTARGET; |
79072805 LW |
1861 | char *tmps; |
1862 | I32 argtype; | |
2d8e6c8d | 1863 | STRLEN n_a; |
79072805 | 1864 | |
2d8e6c8d | 1865 | tmps = POPpx; |
9e24b6e2 | 1866 | XPUSHn(scan_hex(tmps, 99, &argtype)); |
79072805 LW |
1867 | RETURN; |
1868 | } | |
1869 | ||
1870 | PP(pp_oct) | |
1871 | { | |
4e35701f | 1872 | djSP; dTARGET; |
9e24b6e2 | 1873 | NV value; |
79072805 LW |
1874 | I32 argtype; |
1875 | char *tmps; | |
2d8e6c8d | 1876 | STRLEN n_a; |
79072805 | 1877 | |
2d8e6c8d | 1878 | tmps = POPpx; |
464e2e8a | 1879 | while (*tmps && isSPACE(*tmps)) |
1880 | tmps++; | |
9e24b6e2 JH |
1881 | if (*tmps == '0') |
1882 | tmps++; | |
1883 | if (*tmps == 'x') | |
1884 | value = scan_hex(++tmps, 99, &argtype); | |
1885 | else if (*tmps == 'b') | |
1886 | value = scan_bin(++tmps, 99, &argtype); | |
464e2e8a | 1887 | else |
9e24b6e2 JH |
1888 | value = scan_oct(tmps, 99, &argtype); |
1889 | XPUSHn(value); | |
79072805 LW |
1890 | RETURN; |
1891 | } | |
1892 | ||
1893 | /* String stuff. */ | |
1894 | ||
1895 | PP(pp_length) | |
1896 | { | |
4e35701f | 1897 | djSP; dTARGET; |
7e2040f0 | 1898 | SV *sv = TOPs; |
a0ed51b3 | 1899 | |
7e2040f0 GS |
1900 | if (DO_UTF8(sv)) |
1901 | SETi(sv_len_utf8(sv)); | |
1902 | else | |
1903 | SETi(sv_len(sv)); | |
79072805 LW |
1904 | RETURN; |
1905 | } | |
1906 | ||
1907 | PP(pp_substr) | |
1908 | { | |
4e35701f | 1909 | djSP; dTARGET; |
79072805 LW |
1910 | SV *sv; |
1911 | I32 len; | |
463ee0b2 | 1912 | STRLEN curlen; |
a0ed51b3 | 1913 | STRLEN utfcurlen; |
79072805 LW |
1914 | I32 pos; |
1915 | I32 rem; | |
84902520 | 1916 | I32 fail; |
533c011a | 1917 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
79072805 | 1918 | char *tmps; |
3280af22 | 1919 | I32 arybase = PL_curcop->cop_arybase; |
7b8d334a GS |
1920 | char *repl = 0; |
1921 | STRLEN repl_len; | |
79072805 | 1922 | |
20408e3c | 1923 | SvTAINTED_off(TARG); /* decontaminate */ |
7e2040f0 | 1924 | SvUTF8_off(TARG); /* decontaminate */ |
5d82c453 GA |
1925 | if (MAXARG > 2) { |
1926 | if (MAXARG > 3) { | |
1927 | sv = POPs; | |
1928 | repl = SvPV(sv, repl_len); | |
7b8d334a | 1929 | } |
79072805 | 1930 | len = POPi; |
5d82c453 | 1931 | } |
84902520 | 1932 | pos = POPi; |
79072805 | 1933 | sv = POPs; |
849ca7ee | 1934 | PUTBACK; |
a0d0e21e | 1935 | tmps = SvPV(sv, curlen); |
7e2040f0 | 1936 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
1937 | utfcurlen = sv_len_utf8(sv); |
1938 | if (utfcurlen == curlen) | |
1939 | utfcurlen = 0; | |
1940 | else | |
1941 | curlen = utfcurlen; | |
1942 | } | |
d1c2b58a LW |
1943 | else |
1944 | utfcurlen = 0; | |
a0ed51b3 | 1945 | |
84902520 TB |
1946 | if (pos >= arybase) { |
1947 | pos -= arybase; | |
1948 | rem = curlen-pos; | |
1949 | fail = rem; | |
5d82c453 GA |
1950 | if (MAXARG > 2) { |
1951 | if (len < 0) { | |
1952 | rem += len; | |
1953 | if (rem < 0) | |
1954 | rem = 0; | |
1955 | } | |
1956 | else if (rem > len) | |
1957 | rem = len; | |
1958 | } | |
68dc0745 | 1959 | } |
84902520 | 1960 | else { |
5d82c453 GA |
1961 | pos += curlen; |
1962 | if (MAXARG < 3) | |
1963 | rem = curlen; | |
1964 | else if (len >= 0) { | |
1965 | rem = pos+len; | |
1966 | if (rem > (I32)curlen) | |
1967 | rem = curlen; | |
1968 | } | |
1969 | else { | |
1970 | rem = curlen+len; | |
1971 | if (rem < pos) | |
1972 | rem = pos; | |
1973 | } | |
1974 | if (pos < 0) | |
1975 | pos = 0; | |
1976 | fail = rem; | |
1977 | rem -= pos; | |
84902520 TB |
1978 | } |
1979 | if (fail < 0) { | |
e476b1b5 GS |
1980 | if (lvalue || repl) |
1981 | Perl_croak(aTHX_ "substr outside of string"); | |
1982 | if (ckWARN(WARN_SUBSTR)) | |
cea2e8a9 | 1983 | Perl_warner(aTHX_ WARN_SUBSTR, "substr outside of string"); |
2304df62 AD |
1984 | RETPUSHUNDEF; |
1985 | } | |
79072805 | 1986 | else { |
7e2040f0 | 1987 | if (utfcurlen) { |
a0ed51b3 | 1988 | sv_pos_u2b(sv, &pos, &rem); |
7e2040f0 GS |
1989 | SvUTF8_on(TARG); |
1990 | } | |
79072805 | 1991 | tmps += pos; |
79072805 | 1992 | sv_setpvn(TARG, tmps, rem); |
c8faf1c5 GS |
1993 | if (repl) |
1994 | sv_insert(sv, pos, rem, repl, repl_len); | |
1995 | else if (lvalue) { /* it's an lvalue! */ | |
dedeecda | 1996 | if (!SvGMAGICAL(sv)) { |
1997 | if (SvROK(sv)) { | |
2d8e6c8d GS |
1998 | STRLEN n_a; |
1999 | SvPV_force(sv,n_a); | |
599cee73 | 2000 | if (ckWARN(WARN_SUBSTR)) |
cea2e8a9 | 2001 | Perl_warner(aTHX_ WARN_SUBSTR, |
599cee73 | 2002 | "Attempt to use reference as lvalue in substr"); |
dedeecda | 2003 | } |
2004 | if (SvOK(sv)) /* is it defined ? */ | |
2005 | (void)SvPOK_only(sv); | |
2006 | else | |
2007 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
2008 | } | |
5f05dabc | 2009 | |
a0d0e21e LW |
2010 | if (SvTYPE(TARG) < SVt_PVLV) { |
2011 | sv_upgrade(TARG, SVt_PVLV); | |
2012 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); | |
ed6116ce | 2013 | } |
a0d0e21e | 2014 | |
5f05dabc | 2015 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
2016 | if (LvTARG(TARG) != sv) { |
2017 | if (LvTARG(TARG)) | |
2018 | SvREFCNT_dec(LvTARG(TARG)); | |
2019 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
2020 | } | |
a0d0e21e | 2021 | LvTARGOFF(TARG) = pos; |
8ec5e241 | 2022 | LvTARGLEN(TARG) = rem; |
79072805 LW |
2023 | } |
2024 | } | |
849ca7ee | 2025 | SPAGAIN; |
79072805 LW |
2026 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
2027 | RETURN; | |
2028 | } | |
2029 | ||
2030 | PP(pp_vec) | |
2031 | { | |
4e35701f | 2032 | djSP; dTARGET; |
79072805 LW |
2033 | register I32 size = POPi; |
2034 | register I32 offset = POPi; | |
2035 | register SV *src = POPs; | |
533c011a | 2036 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
a0d0e21e | 2037 | |
81e118e0 JH |
2038 | SvTAINTED_off(TARG); /* decontaminate */ |
2039 | if (lvalue) { /* it's an lvalue! */ | |
2040 | if (SvTYPE(TARG) < SVt_PVLV) { | |
2041 | sv_upgrade(TARG, SVt_PVLV); | |
2042 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); | |
79072805 | 2043 | } |
81e118e0 JH |
2044 | LvTYPE(TARG) = 'v'; |
2045 | if (LvTARG(TARG) != src) { | |
2046 | if (LvTARG(TARG)) | |
2047 | SvREFCNT_dec(LvTARG(TARG)); | |
2048 | LvTARG(TARG) = SvREFCNT_inc(src); | |
79072805 | 2049 | } |
81e118e0 JH |
2050 | LvTARGOFF(TARG) = offset; |
2051 | LvTARGLEN(TARG) = size; | |
79072805 LW |
2052 | } |
2053 | ||
81e118e0 | 2054 | sv_setuv(TARG, do_vecget(src, offset, size)); |
79072805 LW |
2055 | PUSHs(TARG); |
2056 | RETURN; | |
2057 | } | |
2058 | ||
2059 | PP(pp_index) | |
2060 | { | |
4e35701f | 2061 | djSP; dTARGET; |
79072805 LW |
2062 | SV *big; |
2063 | SV *little; | |
2064 | I32 offset; | |
2065 | I32 retval; | |
2066 | char *tmps; | |
2067 | char *tmps2; | |
463ee0b2 | 2068 | STRLEN biglen; |
3280af22 | 2069 | I32 arybase = PL_curcop->cop_arybase; |
79072805 LW |
2070 | |
2071 | if (MAXARG < 3) | |
2072 | offset = 0; | |
2073 | else | |
2074 | offset = POPi - arybase; | |
2075 | little = POPs; | |
2076 | big = POPs; | |
463ee0b2 | 2077 | tmps = SvPV(big, biglen); |
7e2040f0 | 2078 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 | 2079 | sv_pos_u2b(big, &offset, 0); |
79072805 LW |
2080 | if (offset < 0) |
2081 | offset = 0; | |
93a17b20 LW |
2082 | else if (offset > biglen) |
2083 | offset = biglen; | |
79072805 | 2084 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
411d5715 | 2085 | (unsigned char*)tmps + biglen, little, 0))) |
a0ed51b3 | 2086 | retval = -1; |
79072805 | 2087 | else |
a0ed51b3 | 2088 | retval = tmps2 - tmps; |
7e2040f0 | 2089 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2090 | sv_pos_b2u(big, &retval); |
2091 | PUSHi(retval + arybase); | |
79072805 LW |
2092 | RETURN; |
2093 | } | |
2094 | ||
2095 | PP(pp_rindex) | |
2096 | { | |
4e35701f | 2097 | djSP; dTARGET; |
79072805 LW |
2098 | SV *big; |
2099 | SV *little; | |
463ee0b2 LW |
2100 | STRLEN blen; |
2101 | STRLEN llen; | |
79072805 LW |
2102 | I32 offset; |
2103 | I32 retval; | |
2104 | char *tmps; | |
2105 | char *tmps2; | |
3280af22 | 2106 | I32 arybase = PL_curcop->cop_arybase; |
79072805 | 2107 | |
a0d0e21e | 2108 | if (MAXARG >= 3) |
a0ed51b3 | 2109 | offset = POPi; |
79072805 LW |
2110 | little = POPs; |
2111 | big = POPs; | |
463ee0b2 LW |
2112 | tmps2 = SvPV(little, llen); |
2113 | tmps = SvPV(big, blen); | |
79072805 | 2114 | if (MAXARG < 3) |
463ee0b2 | 2115 | offset = blen; |
a0ed51b3 | 2116 | else { |
7e2040f0 | 2117 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2118 | sv_pos_u2b(big, &offset, 0); |
2119 | offset = offset - arybase + llen; | |
2120 | } | |
79072805 LW |
2121 | if (offset < 0) |
2122 | offset = 0; | |
463ee0b2 LW |
2123 | else if (offset > blen) |
2124 | offset = blen; | |
79072805 | 2125 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 2126 | tmps2, tmps2 + llen))) |
a0ed51b3 | 2127 | retval = -1; |
79072805 | 2128 | else |
a0ed51b3 | 2129 | retval = tmps2 - tmps; |
7e2040f0 | 2130 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2131 | sv_pos_b2u(big, &retval); |
2132 | PUSHi(retval + arybase); | |
79072805 LW |
2133 | RETURN; |
2134 | } | |
2135 | ||
2136 | PP(pp_sprintf) | |
2137 | { | |
4e35701f | 2138 | djSP; dMARK; dORIGMARK; dTARGET; |
79072805 | 2139 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 2140 | TAINT_IF(SvTAINTED(TARG)); |
79072805 LW |
2141 | SP = ORIGMARK; |
2142 | PUSHTARG; | |
2143 | RETURN; | |
2144 | } | |
2145 | ||
79072805 LW |
2146 | PP(pp_ord) |
2147 | { | |
4e35701f | 2148 | djSP; dTARGET; |
bdeef251 | 2149 | UV value; |
2d8e6c8d | 2150 | STRLEN n_a; |
7e2040f0 GS |
2151 | SV *tmpsv = POPs; |
2152 | U8 *tmps = (U8*)SvPVx(tmpsv,n_a); | |
a0ed51b3 | 2153 | I32 retlen; |
79072805 | 2154 | |
7e2040f0 | 2155 | if ((*tmps & 0x80) && DO_UTF8(tmpsv)) |
bdeef251 | 2156 | value = utf8_to_uv(tmps, &retlen); |
a0ed51b3 | 2157 | else |
bdeef251 GA |
2158 | value = (UV)(*tmps & 255); |
2159 | XPUSHu(value); | |
79072805 LW |
2160 | RETURN; |
2161 | } | |
2162 | ||
463ee0b2 LW |
2163 | PP(pp_chr) |
2164 | { | |
4e35701f | 2165 | djSP; dTARGET; |
463ee0b2 | 2166 | char *tmps; |
3b9be786 | 2167 | U32 value = POPu; |
463ee0b2 | 2168 | |
748a9306 | 2169 | (void)SvUPGRADE(TARG,SVt_PV); |
a0ed51b3 | 2170 | |
3969a896 | 2171 | if (value > 255 && !IN_BYTE) { |
aa6ffa16 | 2172 | SvGROW(TARG, UTF8_MAXLEN+1); |
a0ed51b3 | 2173 | tmps = SvPVX(TARG); |
dfe13c55 | 2174 | tmps = (char*)uv_to_utf8((U8*)tmps, (UV)value); |
a0ed51b3 LW |
2175 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
2176 | *tmps = '\0'; | |
2177 | (void)SvPOK_only(TARG); | |
aa6ffa16 | 2178 | SvUTF8_on(TARG); |
a0ed51b3 LW |
2179 | XPUSHs(TARG); |
2180 | RETURN; | |
2181 | } | |
2182 | ||
748a9306 | 2183 | SvGROW(TARG,2); |
463ee0b2 LW |
2184 | SvCUR_set(TARG, 1); |
2185 | tmps = SvPVX(TARG); | |
a0ed51b3 | 2186 | *tmps++ = value; |
748a9306 | 2187 | *tmps = '\0'; |
3969a896 | 2188 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e | 2189 | (void)SvPOK_only(TARG); |
463ee0b2 LW |
2190 | XPUSHs(TARG); |
2191 | RETURN; | |
2192 | } | |
2193 | ||
79072805 LW |
2194 | PP(pp_crypt) |
2195 | { | |
4e35701f | 2196 | djSP; dTARGET; dPOPTOPssrl; |
2d8e6c8d | 2197 | STRLEN n_a; |
79072805 | 2198 | #ifdef HAS_CRYPT |
2d8e6c8d | 2199 | char *tmps = SvPV(left, n_a); |
79072805 | 2200 | #ifdef FCRYPT |
2d8e6c8d | 2201 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
79072805 | 2202 | #else |
2d8e6c8d | 2203 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
79072805 LW |
2204 | #endif |
2205 | #else | |
cea2e8a9 | 2206 | DIE(aTHX_ |
79072805 LW |
2207 | "The crypt() function is unimplemented due to excessive paranoia."); |
2208 | #endif | |
2209 | SETs(TARG); | |
2210 | RETURN; | |
2211 | } | |
2212 | ||
2213 | PP(pp_ucfirst) | |
2214 | { | |
4e35701f | 2215 | djSP; |
79072805 | 2216 | SV *sv = TOPs; |
a0ed51b3 LW |
2217 | register U8 *s; |
2218 | STRLEN slen; | |
2219 | ||
7e2040f0 | 2220 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
a0ed51b3 | 2221 | I32 ulen; |
806e7201 | 2222 | U8 tmpbuf[UTF8_MAXLEN]; |
a0ed51b3 LW |
2223 | U8 *tend; |
2224 | UV uv = utf8_to_uv(s, &ulen); | |
2225 | ||
2226 | if (PL_op->op_private & OPpLOCALE) { | |
2227 | TAINT; | |
2228 | SvTAINTED_on(sv); | |
2229 | uv = toTITLE_LC_uni(uv); | |
2230 | } | |
2231 | else | |
2232 | uv = toTITLE_utf8(s); | |
2233 | ||
2234 | tend = uv_to_utf8(tmpbuf, uv); | |
2235 | ||
014822e4 | 2236 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 2237 | dTARGET; |
dfe13c55 GS |
2238 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
2239 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 2240 | SvUTF8_on(TARG); |
a0ed51b3 LW |
2241 | SETs(TARG); |
2242 | } | |
2243 | else { | |
dfe13c55 | 2244 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
2245 | Copy(tmpbuf, s, ulen, U8); |
2246 | } | |
a0ed51b3 | 2247 | } |
626727d5 | 2248 | else { |
014822e4 | 2249 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 2250 | dTARGET; |
7e2040f0 | 2251 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
2252 | sv_setsv(TARG, sv); |
2253 | sv = TARG; | |
2254 | SETs(sv); | |
2255 | } | |
2256 | s = (U8*)SvPV_force(sv, slen); | |
2257 | if (*s) { | |
2258 | if (PL_op->op_private & OPpLOCALE) { | |
2259 | TAINT; | |
2260 | SvTAINTED_on(sv); | |
2261 | *s = toUPPER_LC(*s); | |
2262 | } | |
2263 | else | |
2264 | *s = toUPPER(*s); | |
bbce6d69 | 2265 | } |
bbce6d69 | 2266 | } |
31351b04 JS |
2267 | if (SvSMAGICAL(sv)) |
2268 | mg_set(sv); | |
79072805 LW |
2269 | RETURN; |
2270 | } | |
2271 | ||
2272 | PP(pp_lcfirst) | |
2273 | { | |
4e35701f | 2274 | djSP; |
79072805 | 2275 | SV *sv = TOPs; |
a0ed51b3 LW |
2276 | register U8 *s; |
2277 | STRLEN slen; | |
2278 | ||
7e2040f0 | 2279 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
a0ed51b3 | 2280 | I32 ulen; |
806e7201 | 2281 | U8 tmpbuf[UTF8_MAXLEN]; |
a0ed51b3 LW |
2282 | U8 *tend; |
2283 | UV uv = utf8_to_uv(s, &ulen); | |
2284 | ||
2285 | if (PL_op->op_private & OPpLOCALE) { | |
2286 | TAINT; | |
2287 | SvTAINTED_on(sv); | |
2288 | uv = toLOWER_LC_uni(uv); | |
2289 | } | |
2290 | else | |
2291 | uv = toLOWER_utf8(s); | |
2292 | ||
2293 | tend = uv_to_utf8(tmpbuf, uv); | |
2294 | ||
014822e4 | 2295 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 2296 | dTARGET; |
dfe13c55 GS |
2297 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
2298 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 2299 | SvUTF8_on(TARG); |
a0ed51b3 LW |
2300 | SETs(TARG); |
2301 | } | |
2302 | else { | |
dfe13c55 | 2303 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
2304 | Copy(tmpbuf, s, ulen, U8); |
2305 | } | |
a0ed51b3 | 2306 | } |
626727d5 | 2307 | else { |
014822e4 | 2308 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 2309 | dTARGET; |
7e2040f0 | 2310 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
2311 | sv_setsv(TARG, sv); |
2312 | sv = TARG; | |
2313 | SETs(sv); | |
2314 | } | |
2315 | s = (U8*)SvPV_force(sv, slen); | |
2316 | if (*s) { | |
2317 | if (PL_op->op_private & OPpLOCALE) { | |
2318 | TAINT; | |
2319 | SvTAINTED_on(sv); | |
2320 | *s = toLOWER_LC(*s); | |
2321 | } | |
2322 | else | |
2323 | *s = toLOWER(*s); | |
bbce6d69 | 2324 | } |
bbce6d69 | 2325 | } |
31351b04 JS |
2326 | if (SvSMAGICAL(sv)) |
2327 | mg_set(sv); | |
79072805 LW |
2328 | RETURN; |
2329 | } | |
2330 | ||
2331 | PP(pp_uc) | |
2332 | { | |
4e35701f | 2333 | djSP; |
79072805 | 2334 | SV *sv = TOPs; |
a0ed51b3 | 2335 | register U8 *s; |
463ee0b2 | 2336 | STRLEN len; |
79072805 | 2337 | |
7e2040f0 | 2338 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
2339 | dTARGET; |
2340 | I32 ulen; | |
2341 | register U8 *d; | |
2342 | U8 *send; | |
2343 | ||
dfe13c55 | 2344 | s = (U8*)SvPV(sv,len); |
a5a20234 | 2345 | if (!len) { |
7e2040f0 | 2346 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
2347 | sv_setpvn(TARG, "", 0); |
2348 | SETs(TARG); | |
a0ed51b3 LW |
2349 | } |
2350 | else { | |
31351b04 JS |
2351 | (void)SvUPGRADE(TARG, SVt_PV); |
2352 | SvGROW(TARG, (len * 2) + 1); | |
2353 | (void)SvPOK_only(TARG); | |
2354 | d = (U8*)SvPVX(TARG); | |
2355 | send = s + len; | |
2356 | if (PL_op->op_private & OPpLOCALE) { | |
2357 | TAINT; | |
2358 | SvTAINTED_on(TARG); | |
2359 | while (s < send) { | |
2360 | d = uv_to_utf8(d, toUPPER_LC_uni( utf8_to_uv(s, &ulen))); | |
2361 | s += ulen; | |
2362 | } | |
a0ed51b3 | 2363 | } |
31351b04 JS |
2364 | else { |
2365 | while (s < send) { | |
2366 | d = uv_to_utf8(d, toUPPER_utf8( s )); | |
2367 | s += UTF8SKIP(s); | |
2368 | } | |
a0ed51b3 | 2369 | } |
31351b04 | 2370 | *d = '\0'; |
7e2040f0 | 2371 | SvUTF8_on(TARG); |
31351b04 JS |
2372 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
2373 | SETs(TARG); | |
a0ed51b3 | 2374 | } |
a0ed51b3 | 2375 | } |
626727d5 | 2376 | else { |
014822e4 | 2377 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 2378 | dTARGET; |
7e2040f0 | 2379 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
2380 | sv_setsv(TARG, sv); |
2381 | sv = TARG; | |
2382 | SETs(sv); | |
2383 | } | |
2384 | s = (U8*)SvPV_force(sv, len); | |
2385 | if (len) { | |
2386 | register U8 *send = s + len; | |
2387 | ||
2388 | if (PL_op->op_private & OPpLOCALE) { | |
2389 | TAINT; | |
2390 | SvTAINTED_on(sv); | |
2391 | for (; s < send; s++) | |
2392 | *s = toUPPER_LC(*s); | |
2393 | } | |
2394 | else { | |
2395 | for (; s < send; s++) | |
2396 | *s = toUPPER(*s); | |
2397 | } | |
bbce6d69 | 2398 | } |
79072805 | 2399 | } |
31351b04 JS |
2400 | if (SvSMAGICAL(sv)) |
2401 | mg_set(sv); | |
79072805 LW |
2402 | RETURN; |
2403 | } | |
2404 | ||
2405 | PP(pp_lc) | |
2406 | { | |
4e35701f | 2407 | djSP; |
79072805 | 2408 | SV *sv = TOPs; |
a0ed51b3 | 2409 | register U8 *s; |
463ee0b2 | 2410 | STRLEN len; |
79072805 | 2411 | |
7e2040f0 | 2412 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
2413 | dTARGET; |
2414 | I32 ulen; | |
2415 | register U8 *d; | |
2416 | U8 *send; | |
2417 | ||
dfe13c55 | 2418 | s = (U8*)SvPV(sv,len); |
a5a20234 | 2419 | if (!len) { |
7e2040f0 | 2420 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
2421 | sv_setpvn(TARG, "", 0); |
2422 | SETs(TARG); | |
a0ed51b3 LW |
2423 | } |
2424 | else { | |
31351b04 JS |
2425 | (void)SvUPGRADE(TARG, SVt_PV); |
2426 | SvGROW(TARG, (len * 2) + 1); | |
2427 | (void)SvPOK_only(TARG); | |
2428 | d = (U8*)SvPVX(TARG); | |
2429 | send = s + len; | |
2430 | if (PL_op->op_private & OPpLOCALE) { | |
2431 | TAINT; | |
2432 | SvTAINTED_on(TARG); | |
2433 | while (s < send) { | |
2434 | d = uv_to_utf8(d, toLOWER_LC_uni( utf8_to_uv(s, &ulen))); | |
2435 | s += ulen; | |
2436 | } | |
a0ed51b3 | 2437 | } |
31351b04 JS |
2438 | else { |
2439 | while (s < send) { | |
2440 | d = uv_to_utf8(d, toLOWER_utf8(s)); | |
2441 | s += UTF8SKIP(s); | |
2442 | } | |
a0ed51b3 | 2443 | } |
31351b04 | 2444 | *d = '\0'; |
7e2040f0 | 2445 | SvUTF8_on(TARG); |
31351b04 JS |
2446 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
2447 | SETs(TARG); | |
a0ed51b3 | 2448 | } |
79072805 | 2449 | } |
626727d5 | 2450 | else { |
014822e4 | 2451 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 2452 | dTARGET; |
7e2040f0 | 2453 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
2454 | sv_setsv(TARG, sv); |
2455 | sv = TARG; | |
2456 | SETs(sv); | |
a0ed51b3 | 2457 | } |
bbce6d69 | 2458 | |
31351b04 JS |
2459 | s = (U8*)SvPV_force(sv, len); |
2460 | if (len) { | |
2461 | register U8 *send = s + len; | |
bbce6d69 | 2462 | |
31351b04 JS |
2463 | if (PL_op->op_private & OPpLOCALE) { |
2464 | TAINT; | |
2465 | SvTAINTED_on(sv); | |
2466 | for (; s < send; s++) | |
2467 | *s = toLOWER_LC(*s); | |
2468 | } | |
2469 | else { | |
2470 | for (; s < send; s++) | |
2471 | *s = toLOWER(*s); | |
2472 | } | |
bbce6d69 | 2473 | } |
79072805 | 2474 | } |
31351b04 JS |
2475 | if (SvSMAGICAL(sv)) |
2476 | mg_set(sv); | |
79072805 LW |
2477 | RETURN; |
2478 | } | |
2479 | ||
a0d0e21e | 2480 | PP(pp_quotemeta) |
79072805 | 2481 | { |
4e35701f | 2482 | djSP; dTARGET; |
a0d0e21e LW |
2483 | SV *sv = TOPs; |
2484 | STRLEN len; | |
2485 | register char *s = SvPV(sv,len); | |
2486 | register char *d; | |
79072805 | 2487 | |
7e2040f0 | 2488 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e LW |
2489 | if (len) { |
2490 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 2491 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e | 2492 | d = SvPVX(TARG); |
7e2040f0 | 2493 | if (DO_UTF8(sv)) { |
0dd2cdef LW |
2494 | while (len) { |
2495 | if (*s & 0x80) { | |
2496 | STRLEN ulen = UTF8SKIP(s); | |
2497 | if (ulen > len) | |
2498 | ulen = len; | |
2499 | len -= ulen; | |
2500 | while (ulen--) | |
2501 | *d++ = *s++; | |
2502 | } | |
2503 | else { | |
2504 | if (!isALNUM(*s)) | |
2505 | *d++ = '\\'; | |
2506 | *d++ = *s++; | |
2507 | len--; | |
2508 | } | |
2509 | } | |
7e2040f0 | 2510 | SvUTF8_on(TARG); |
0dd2cdef LW |
2511 | } |
2512 | else { | |
2513 | while (len--) { | |
2514 | if (!isALNUM(*s)) | |
2515 | *d++ = '\\'; | |
2516 | *d++ = *s++; | |
2517 | } | |
79072805 | 2518 | } |
a0d0e21e LW |
2519 | *d = '\0'; |
2520 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
2521 | (void)SvPOK_only(TARG); | |
79072805 | 2522 | } |
a0d0e21e LW |
2523 | else |
2524 | sv_setpvn(TARG, s, len); | |
2525 | SETs(TARG); | |
31351b04 JS |
2526 | if (SvSMAGICAL(TARG)) |
2527 | mg_set(TARG); | |
79072805 LW |
2528 | RETURN; |
2529 | } | |
2530 | ||
a0d0e21e | 2531 | /* Arrays. */ |
79072805 | 2532 | |
a0d0e21e | 2533 | PP(pp_aslice) |
79072805 | 2534 | { |
4e35701f | 2535 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2536 | register SV** svp; |
2537 | register AV* av = (AV*)POPs; | |
533c011a | 2538 | register I32 lval = PL_op->op_flags & OPf_MOD; |
3280af22 | 2539 | I32 arybase = PL_curcop->cop_arybase; |
748a9306 | 2540 | I32 elem; |
79072805 | 2541 | |
a0d0e21e | 2542 | if (SvTYPE(av) == SVt_PVAV) { |
533c011a | 2543 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
748a9306 | 2544 | I32 max = -1; |
924508f0 | 2545 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
2546 | elem = SvIVx(*svp); |
2547 | if (elem > max) | |
2548 | max = elem; | |
2549 | } | |
2550 | if (max > AvMAX(av)) | |
2551 | av_extend(av, max); | |
2552 | } | |
a0d0e21e | 2553 | while (++MARK <= SP) { |
748a9306 | 2554 | elem = SvIVx(*MARK); |
a0d0e21e | 2555 | |
748a9306 LW |
2556 | if (elem > 0) |
2557 | elem -= arybase; | |
a0d0e21e LW |
2558 | svp = av_fetch(av, elem, lval); |
2559 | if (lval) { | |
3280af22 | 2560 | if (!svp || *svp == &PL_sv_undef) |
cea2e8a9 | 2561 | DIE(aTHX_ PL_no_aelem, elem); |
533c011a | 2562 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 2563 | save_aelem(av, elem, svp); |
79072805 | 2564 | } |
3280af22 | 2565 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
2566 | } |
2567 | } | |
748a9306 | 2568 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
2569 | MARK = ORIGMARK; |
2570 | *++MARK = *SP; | |
2571 | SP = MARK; | |
2572 | } | |
79072805 LW |
2573 | RETURN; |
2574 | } | |
2575 | ||
2576 | /* Associative arrays. */ | |
2577 | ||
2578 | PP(pp_each) | |
2579 | { | |
59af0135 | 2580 | djSP; |
79072805 | 2581 | HV *hash = (HV*)POPs; |
c07a80fd | 2582 | HE *entry; |
54310121 | 2583 | I32 gimme = GIMME_V; |
c750a3ec | 2584 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
8ec5e241 | 2585 | |
c07a80fd | 2586 | PUTBACK; |
c750a3ec MB |
2587 | /* might clobber stack_sp */ |
2588 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
c07a80fd | 2589 | SPAGAIN; |
79072805 | 2590 | |
79072805 LW |
2591 | EXTEND(SP, 2); |
2592 | if (entry) { | |
54310121 | 2593 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
2594 | if (gimme == G_ARRAY) { | |
59af0135 | 2595 | SV *val; |
c07a80fd | 2596 | PUTBACK; |
c750a3ec | 2597 | /* might clobber stack_sp */ |
59af0135 GS |
2598 | val = realhv ? |
2599 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry); | |
c07a80fd | 2600 | SPAGAIN; |
59af0135 | 2601 | PUSHs(val); |
79072805 | 2602 | } |
79072805 | 2603 | } |
54310121 | 2604 | else if (gimme == G_SCALAR) |
79072805 LW |
2605 | RETPUSHUNDEF; |
2606 | ||
2607 | RETURN; | |
2608 | } | |
2609 | ||
2610 | PP(pp_values) | |
2611 | { | |
cea2e8a9 | 2612 | return do_kv(); |
79072805 LW |
2613 | } |
2614 | ||
2615 | PP(pp_keys) | |
2616 | { | |
cea2e8a9 | 2617 | return do_kv(); |
79072805 LW |
2618 | } |
2619 | ||
2620 | PP(pp_delete) | |
2621 | { | |
4e35701f | 2622 | djSP; |
54310121 | 2623 | I32 gimme = GIMME_V; |
2624 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 2625 | SV *sv; |
5f05dabc | 2626 | HV *hv; |
2627 | ||
533c011a | 2628 | if (PL_op->op_private & OPpSLICE) { |
5f05dabc | 2629 | dMARK; dORIGMARK; |
97fcbf96 | 2630 | U32 hvtype; |
5f05dabc | 2631 | hv = (HV*)POPs; |
97fcbf96 | 2632 | hvtype = SvTYPE(hv); |
01020589 GS |
2633 | if (hvtype == SVt_PVHV) { /* hash element */ |
2634 | while (++MARK <= SP) { | |
ae77835f | 2635 | sv = hv_delete_ent(hv, *MARK, discard, 0); |
01020589 GS |
2636 | *MARK = sv ? sv : &PL_sv_undef; |
2637 | } | |
5f05dabc | 2638 | } |
01020589 GS |
2639 | else if (hvtype == SVt_PVAV) { |
2640 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ | |
2641 | while (++MARK <= SP) { | |
2642 | sv = av_delete((AV*)hv, SvIV(*MARK), discard); | |
2643 | *MARK = sv ? sv : &PL_sv_undef; | |
2644 | } | |
2645 | } | |
2646 | else { /* pseudo-hash element */ | |
2647 | while (++MARK <= SP) { | |
2648 | sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0); | |
2649 | *MARK = sv ? sv : &PL_sv_undef; | |
2650 | } | |
2651 | } | |
2652 | } | |
2653 | else | |
2654 | DIE(aTHX_ "Not a HASH reference"); | |
54310121 | 2655 | if (discard) |
2656 | SP = ORIGMARK; | |
2657 | else if (gimme == G_SCALAR) { | |
5f05dabc | 2658 | MARK = ORIGMARK; |
2659 | *++MARK = *SP; | |
2660 | SP = MARK; | |
2661 | } | |
2662 | } | |
2663 | else { | |
2664 | SV *keysv = POPs; | |
2665 | hv = (HV*)POPs; | |
97fcbf96 MB |
2666 | if (SvTYPE(hv) == SVt_PVHV) |
2667 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
01020589 GS |
2668 | else if (SvTYPE(hv) == SVt_PVAV) { |
2669 | if (PL_op->op_flags & OPf_SPECIAL) | |
2670 | sv = av_delete((AV*)hv, SvIV(keysv), discard); | |
2671 | else | |
2672 | sv = avhv_delete_ent((AV*)hv, keysv, discard, 0); | |
2673 | } | |
97fcbf96 | 2674 | else |
cea2e8a9 | 2675 | DIE(aTHX_ "Not a HASH reference"); |
5f05dabc | 2676 | if (!sv) |
3280af22 | 2677 | sv = &PL_sv_undef; |
54310121 | 2678 | if (!discard) |
2679 | PUSHs(sv); | |
79072805 | 2680 | } |
79072805 LW |
2681 | RETURN; |
2682 | } | |
2683 | ||
a0d0e21e | 2684 | PP(pp_exists) |
79072805 | 2685 | { |
4e35701f | 2686 | djSP; |
afebc493 GS |
2687 | SV *tmpsv; |
2688 | HV *hv; | |
2689 | ||
2690 | if (PL_op->op_private & OPpEXISTS_SUB) { | |
2691 | GV *gv; | |
2692 | CV *cv; | |
2693 | SV *sv = POPs; | |
2694 | cv = sv_2cv(sv, &hv, &gv, FALSE); | |
2695 | if (cv) | |
2696 | RETPUSHYES; | |
2697 | if (gv && isGV(gv) && GvCV(gv) && !GvCVGEN(gv)) | |
2698 | RETPUSHYES; | |
2699 | RETPUSHNO; | |
2700 | } | |
2701 | tmpsv = POPs; | |
2702 | hv = (HV*)POPs; | |
c750a3ec | 2703 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 2704 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec | 2705 | RETPUSHYES; |
ef54e1a4 JH |
2706 | } |
2707 | else if (SvTYPE(hv) == SVt_PVAV) { | |
01020589 GS |
2708 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ |
2709 | if (av_exists((AV*)hv, SvIV(tmpsv))) | |
2710 | RETPUSHYES; | |
2711 | } | |
2712 | else if (avhv_exists_ent((AV*)hv, tmpsv, 0)) /* pseudo-hash element */ | |
c750a3ec | 2713 | RETPUSHYES; |
ef54e1a4 JH |
2714 | } |
2715 | else { | |
cea2e8a9 | 2716 | DIE(aTHX_ "Not a HASH reference"); |
a0d0e21e | 2717 | } |
a0d0e21e LW |
2718 | RETPUSHNO; |
2719 | } | |
79072805 | 2720 | |
a0d0e21e LW |
2721 | PP(pp_hslice) |
2722 | { | |
4e35701f | 2723 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 2724 | register HV *hv = (HV*)POPs; |
533c011a | 2725 | register I32 lval = PL_op->op_flags & OPf_MOD; |
c750a3ec | 2726 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
79072805 | 2727 | |
0ebe0038 | 2728 | if (!realhv && PL_op->op_private & OPpLVAL_INTRO) |
cea2e8a9 | 2729 | DIE(aTHX_ "Can't localize pseudo-hash element"); |
0ebe0038 | 2730 | |
c750a3ec | 2731 | if (realhv || SvTYPE(hv) == SVt_PVAV) { |
a0d0e21e | 2732 | while (++MARK <= SP) { |
f12c7020 | 2733 | SV *keysv = *MARK; |
ae77835f MB |
2734 | SV **svp; |
2735 | if (realhv) { | |
800e9ae0 | 2736 | HE *he = hv_fetch_ent(hv, keysv, lval, 0); |
ae77835f | 2737 | svp = he ? &HeVAL(he) : 0; |
ef54e1a4 JH |
2738 | } |
2739 | else { | |
97fcbf96 | 2740 | svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0); |
ae77835f | 2741 | } |
a0d0e21e | 2742 | if (lval) { |
2d8e6c8d GS |
2743 | if (!svp || *svp == &PL_sv_undef) { |
2744 | STRLEN n_a; | |
cea2e8a9 | 2745 | DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a)); |
2d8e6c8d | 2746 | } |
533c011a | 2747 | if (PL_op->op_private & OPpLVAL_INTRO) |
800e9ae0 | 2748 | save_helem(hv, keysv, svp); |
93a17b20 | 2749 | } |
3280af22 | 2750 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
2751 | } |
2752 | } | |
a0d0e21e LW |
2753 | if (GIMME != G_ARRAY) { |
2754 | MARK = ORIGMARK; | |
2755 | *++MARK = *SP; | |
2756 | SP = MARK; | |
79072805 | 2757 | } |
a0d0e21e LW |
2758 | RETURN; |
2759 | } | |
2760 | ||
2761 | /* List operators. */ | |
2762 | ||
2763 | PP(pp_list) | |
2764 | { | |
4e35701f | 2765 | djSP; dMARK; |
a0d0e21e LW |
2766 | if (GIMME != G_ARRAY) { |
2767 | if (++MARK <= SP) | |
2768 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 2769 | else |
3280af22 | 2770 | *MARK = &PL_sv_undef; |
a0d0e21e | 2771 | SP = MARK; |
79072805 | 2772 | } |
a0d0e21e | 2773 | RETURN; |
79072805 LW |
2774 | } |
2775 | ||
a0d0e21e | 2776 | PP(pp_lslice) |
79072805 | 2777 | { |
4e35701f | 2778 | djSP; |
3280af22 NIS |
2779 | SV **lastrelem = PL_stack_sp; |
2780 | SV **lastlelem = PL_stack_base + POPMARK; | |
2781 | SV **firstlelem = PL_stack_base + POPMARK + 1; | |
a0d0e21e | 2782 | register SV **firstrelem = lastlelem + 1; |
3280af22 | 2783 | I32 arybase = PL_curcop->cop_arybase; |
533c011a | 2784 | I32 lval = PL_op->op_flags & OPf_MOD; |
4633a7c4 | 2785 | I32 is_something_there = lval; |
79072805 | 2786 | |
a0d0e21e LW |
2787 | register I32 max = lastrelem - lastlelem; |
2788 | register SV **lelem; | |
2789 | register I32 ix; | |
2790 | ||
2791 | if (GIMME != G_ARRAY) { | |
748a9306 LW |
2792 | ix = SvIVx(*lastlelem); |
2793 | if (ix < 0) | |
2794 | ix += max; | |
2795 | else | |
2796 | ix -= arybase; | |
a0d0e21e | 2797 | if (ix < 0 || ix >= max) |
3280af22 | 2798 | *firstlelem = &PL_sv_undef; |
a0d0e21e LW |
2799 | else |
2800 | *firstlelem = firstrelem[ix]; | |
2801 | SP = firstlelem; | |
2802 | RETURN; | |
2803 | } | |
2804 | ||
2805 | if (max == 0) { | |
2806 | SP = firstlelem - 1; | |
2807 | RETURN; | |
2808 | } | |
2809 | ||
2810 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
748a9306 | 2811 | ix = SvIVx(*lelem); |
c73bf8e3 | 2812 | if (ix < 0) |
a0d0e21e | 2813 | ix += max; |
c73bf8e3 | 2814 | else |
748a9306 | 2815 | ix -= arybase; |
c73bf8e3 HS |
2816 | if (ix < 0 || ix >= max) |
2817 | *lelem = &PL_sv_undef; | |
2818 | else { | |
2819 | is_something_there = TRUE; | |
2820 | if (!(*lelem = firstrelem[ix])) | |
3280af22 | 2821 | *lelem = &PL_sv_undef; |
748a9306 | 2822 | } |
79072805 | 2823 | } |
4633a7c4 LW |
2824 | if (is_something_there) |
2825 | SP = lastlelem; | |
2826 | else | |
2827 | SP = firstlelem - 1; | |
79072805 LW |
2828 | RETURN; |
2829 | } | |
2830 | ||
a0d0e21e LW |
2831 | PP(pp_anonlist) |
2832 | { | |
4e35701f | 2833 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 2834 | I32 items = SP - MARK; |
44a8e56a | 2835 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
2836 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
2837 | XPUSHs(av); | |
a0d0e21e LW |
2838 | RETURN; |
2839 | } | |
2840 | ||
2841 | PP(pp_anonhash) | |
79072805 | 2842 | { |
4e35701f | 2843 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2844 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
2845 | ||
2846 | while (MARK < SP) { | |
2847 | SV* key = *++MARK; | |
a0d0e21e LW |
2848 | SV *val = NEWSV(46, 0); |
2849 | if (MARK < SP) | |
2850 | sv_setsv(val, *++MARK); | |
e476b1b5 GS |
2851 | else if (ckWARN(WARN_MISC)) |
2852 | Perl_warner(aTHX_ WARN_MISC, "Odd number of elements in hash assignment"); | |
f12c7020 | 2853 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 2854 | } |
a0d0e21e LW |
2855 | SP = ORIGMARK; |
2856 | XPUSHs((SV*)hv); | |
79072805 LW |
2857 | RETURN; |
2858 | } | |
2859 | ||
a0d0e21e | 2860 | PP(pp_splice) |
79072805 | 2861 | { |
4e35701f | 2862 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2863 | register AV *ary = (AV*)*++MARK; |
2864 | register SV **src; | |
2865 | register SV **dst; | |
2866 | register I32 i; | |
2867 | register I32 offset; | |
2868 | register I32 length; | |
2869 | I32 newlen; | |
2870 | I32 after; | |
2871 | I32 diff; | |
2872 | SV **tmparyval = 0; | |
93965878 NIS |
2873 | MAGIC *mg; |
2874 | ||
33c27489 GS |
2875 | if (mg = SvTIED_mg((SV*)ary, 'P')) { |
2876 | *MARK-- = SvTIED_obj((SV*)ary, mg); | |
93965878 | 2877 | PUSHMARK(MARK); |
8ec5e241 | 2878 | PUTBACK; |
a60c0954 | 2879 | ENTER; |
864dbfa3 | 2880 | call_method("SPLICE",GIMME_V); |
a60c0954 | 2881 | LEAVE; |
93965878 NIS |
2882 | SPAGAIN; |
2883 | RETURN; | |
2884 | } | |
79072805 | 2885 | |
a0d0e21e | 2886 | SP++; |
79072805 | 2887 | |
a0d0e21e | 2888 | if (++MARK < SP) { |
84902520 | 2889 | offset = i = SvIVx(*MARK); |
a0d0e21e | 2890 | if (offset < 0) |
93965878 | 2891 | offset += AvFILLp(ary) + 1; |
a0d0e21e | 2892 | else |
3280af22 | 2893 | offset -= PL_curcop->cop_arybase; |
84902520 | 2894 | if (offset < 0) |
cea2e8a9 | 2895 | DIE(aTHX_ PL_no_aelem, i); |
a0d0e21e LW |
2896 | if (++MARK < SP) { |
2897 | length = SvIVx(*MARK++); | |
48cdf507 GA |
2898 | if (length < 0) { |
2899 | length += AvFILLp(ary) - offset + 1; | |
2900 | if (length < 0) | |
2901 | length = 0; | |
2902 | } | |
79072805 LW |
2903 | } |
2904 | else | |
a0d0e21e | 2905 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 2906 | } |
a0d0e21e LW |
2907 | else { |
2908 | offset = 0; | |
2909 | length = AvMAX(ary) + 1; | |
2910 | } | |
93965878 NIS |
2911 | if (offset > AvFILLp(ary) + 1) |
2912 | offset = AvFILLp(ary) + 1; | |
2913 | after = AvFILLp(ary) + 1 - (offset + length); | |
a0d0e21e LW |
2914 | if (after < 0) { /* not that much array */ |
2915 | length += after; /* offset+length now in array */ | |
2916 | after = 0; | |
2917 | if (!AvALLOC(ary)) | |
2918 | av_extend(ary, 0); | |
2919 | } | |
2920 | ||
2921 | /* At this point, MARK .. SP-1 is our new LIST */ | |
2922 | ||
2923 | newlen = SP - MARK; | |
2924 | diff = newlen - length; | |
13d7cbc1 GS |
2925 | if (newlen && !AvREAL(ary) && AvREIFY(ary)) |
2926 | av_reify(ary); | |
a0d0e21e LW |
2927 | |
2928 | if (diff < 0) { /* shrinking the area */ | |
2929 | if (newlen) { | |
2930 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
2931 | Copy(MARK, tmparyval, newlen, SV*); | |
79072805 | 2932 | } |
a0d0e21e LW |
2933 | |
2934 | MARK = ORIGMARK + 1; | |
2935 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
2936 | MEXTEND(MARK, length); | |
2937 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
2938 | if (AvREAL(ary)) { | |
bbce6d69 | 2939 | EXTEND_MORTAL(length); |
36477c24 | 2940 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 2941 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 2942 | dst++; |
2943 | } | |
a0d0e21e LW |
2944 | } |
2945 | MARK += length - 1; | |
79072805 | 2946 | } |
a0d0e21e LW |
2947 | else { |
2948 | *MARK = AvARRAY(ary)[offset+length-1]; | |
2949 | if (AvREAL(ary)) { | |
d689ffdd | 2950 | sv_2mortal(*MARK); |
a0d0e21e LW |
2951 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2952 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 2953 | } |
a0d0e21e | 2954 | } |
93965878 | 2955 | AvFILLp(ary) += diff; |
a0d0e21e LW |
2956 | |
2957 | /* pull up or down? */ | |
2958 | ||
2959 | if (offset < after) { /* easier to pull up */ | |
2960 | if (offset) { /* esp. if nothing to pull */ | |
2961 | src = &AvARRAY(ary)[offset-1]; | |
2962 | dst = src - diff; /* diff is negative */ | |
2963 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
2964 | *dst-- = *src--; | |
79072805 | 2965 | } |
a0d0e21e LW |
2966 | dst = AvARRAY(ary); |
2967 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ | |
2968 | AvMAX(ary) += diff; | |
2969 | } | |
2970 | else { | |
2971 | if (after) { /* anything to pull down? */ | |
2972 | src = AvARRAY(ary) + offset + length; | |
2973 | dst = src + diff; /* diff is negative */ | |
2974 | Move(src, dst, after, SV*); | |
79072805 | 2975 | } |
93965878 | 2976 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
a0d0e21e LW |
2977 | /* avoid later double free */ |
2978 | } | |
2979 | i = -diff; | |
2980 | while (i) | |
3280af22 | 2981 | dst[--i] = &PL_sv_undef; |
a0d0e21e LW |
2982 | |
2983 | if (newlen) { | |
2984 | for (src = tmparyval, dst = AvARRAY(ary) + offset; | |
2985 | newlen; newlen--) { | |
2986 | *dst = NEWSV(46, 0); | |
2987 | sv_setsv(*dst++, *src++); | |
79072805 | 2988 | } |
a0d0e21e LW |
2989 | Safefree(tmparyval); |
2990 | } | |
2991 | } | |
2992 | else { /* no, expanding (or same) */ | |
2993 | if (length) { | |
2994 | New(452, tmparyval, length, SV*); /* so remember deletion */ | |
2995 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); | |
2996 | } | |
2997 | ||
2998 | if (diff > 0) { /* expanding */ | |
2999 | ||
3000 | /* push up or down? */ | |
3001 | ||
3002 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
3003 | if (offset) { | |
3004 | src = AvARRAY(ary); | |
3005 | dst = src - diff; | |
3006 | Move(src, dst, offset, SV*); | |
79072805 | 3007 | } |
a0d0e21e LW |
3008 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
3009 | AvMAX(ary) += diff; | |
93965878 | 3010 | AvFILLp(ary) += diff; |
79072805 LW |
3011 | } |
3012 | else { | |
93965878 NIS |
3013 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
3014 | av_extend(ary, AvFILLp(ary) + diff); | |
3015 | AvFILLp(ary) += diff; | |
a0d0e21e LW |
3016 | |
3017 | if (after) { | |
93965878 | 3018 | dst = AvARRAY(ary) + AvFILLp(ary); |
a0d0e21e LW |
3019 | src = dst - diff; |
3020 | for (i = after; i; i--) { | |
3021 | *dst-- = *src--; | |
3022 | } | |
79072805 LW |
3023 | } |
3024 | } | |
a0d0e21e LW |
3025 | } |
3026 | ||
3027 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { | |
3028 | *dst = NEWSV(46, 0); | |
3029 | sv_setsv(*dst++, *src++); | |
3030 | } | |
3031 | MARK = ORIGMARK + 1; | |
3032 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
3033 | if (length) { | |
3034 | Copy(tmparyval, MARK, length, SV*); | |
3035 | if (AvREAL(ary)) { | |
bbce6d69 | 3036 | EXTEND_MORTAL(length); |
36477c24 | 3037 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 3038 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 3039 | dst++; |
3040 | } | |
79072805 | 3041 | } |
a0d0e21e | 3042 | Safefree(tmparyval); |
79072805 | 3043 | } |
a0d0e21e LW |
3044 | MARK += length - 1; |
3045 | } | |
3046 | else if (length--) { | |
3047 | *MARK = tmparyval[length]; | |
3048 | if (AvREAL(ary)) { | |
d689ffdd | 3049 | sv_2mortal(*MARK); |
a0d0e21e LW |
3050 | while (length-- > 0) |
3051 | SvREFCNT_dec(tmparyval[length]); | |
79072805 | 3052 | } |
a0d0e21e | 3053 | Safefree(tmparyval); |
79072805 | 3054 | } |
a0d0e21e | 3055 | else |
3280af22 | 3056 | *MARK = &PL_sv_undef; |
79072805 | 3057 | } |
a0d0e21e | 3058 | SP = MARK; |
79072805 LW |
3059 | RETURN; |
3060 | } | |
3061 | ||
a0d0e21e | 3062 | PP(pp_push) |
79072805 | 3063 | { |
4e35701f | 3064 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 3065 | register AV *ary = (AV*)*++MARK; |
3280af22 | 3066 | register SV *sv = &PL_sv_undef; |
93965878 | 3067 | MAGIC *mg; |
79072805 | 3068 | |
33c27489 GS |
3069 | if (mg = SvTIED_mg((SV*)ary, 'P')) { |
3070 | *MARK-- = SvTIED_obj((SV*)ary, mg); | |
93965878 NIS |
3071 | PUSHMARK(MARK); |
3072 | PUTBACK; | |
a60c0954 | 3073 | ENTER; |
864dbfa3 | 3074 | call_method("PUSH",G_SCALAR|G_DISCARD); |
a60c0954 | 3075 | LEAVE; |
93965878 | 3076 | SPAGAIN; |
93965878 | 3077 | } |
a60c0954 NIS |
3078 | else { |
3079 | /* Why no pre-extend of ary here ? */ | |
3080 | for (++MARK; MARK <= SP; MARK++) { | |
3081 | sv = NEWSV(51, 0); | |
3082 | if (*MARK) | |
3083 | sv_setsv(sv, *MARK); | |
3084 | av_push(ary, sv); | |
3085 | } | |
79072805 LW |
3086 | } |
3087 | SP = ORIGMARK; | |
a0d0e21e | 3088 | PUSHi( AvFILL(ary) + 1 ); |
79072805 LW |
3089 | RETURN; |
3090 | } | |
3091 | ||
a0d0e21e | 3092 | PP(pp_pop) |
79072805 | 3093 | { |
4e35701f | 3094 | djSP; |
a0d0e21e LW |
3095 | AV *av = (AV*)POPs; |
3096 | SV *sv = av_pop(av); | |
d689ffdd | 3097 | if (AvREAL(av)) |
a0d0e21e LW |
3098 | (void)sv_2mortal(sv); |
3099 | PUSHs(sv); | |
79072805 | 3100 | RETURN; |
79072805 LW |
3101 | } |
3102 | ||
a0d0e21e | 3103 | PP(pp_shift) |
79072805 | 3104 | { |
4e35701f | 3105 | djSP; |
a0d0e21e LW |
3106 | AV *av = (AV*)POPs; |
3107 | SV *sv = av_shift(av); | |
79072805 | 3108 | EXTEND(SP, 1); |
a0d0e21e | 3109 | if (!sv) |
79072805 | 3110 | RETPUSHUNDEF; |
d689ffdd | 3111 | if (AvREAL(av)) |
a0d0e21e LW |
3112 | (void)sv_2mortal(sv); |
3113 | PUSHs(sv); | |
79072805 | 3114 | RETURN; |
79072805 LW |
3115 | } |
3116 | ||
a0d0e21e | 3117 | PP(pp_unshift) |
79072805 | 3118 | { |
4e35701f | 3119 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
3120 | register AV *ary = (AV*)*++MARK; |
3121 | register SV *sv; | |
3122 | register I32 i = 0; | |
93965878 NIS |
3123 | MAGIC *mg; |
3124 | ||
33c27489 GS |
3125 | if (mg = SvTIED_mg((SV*)ary, 'P')) { |
3126 | *MARK-- = SvTIED_obj((SV*)ary, mg); | |
7fd66d9d | 3127 | PUSHMARK(MARK); |
93965878 | 3128 | PUTBACK; |
a60c0954 | 3129 | ENTER; |
864dbfa3 | 3130 | call_method("UNSHIFT",G_SCALAR|G_DISCARD); |
a60c0954 | 3131 | LEAVE; |
93965878 | 3132 | SPAGAIN; |
93965878 | 3133 | } |
a60c0954 NIS |
3134 | else { |
3135 | av_unshift(ary, SP - MARK); | |
3136 | while (MARK < SP) { | |
3137 | sv = NEWSV(27, 0); | |
3138 | sv_setsv(sv, *++MARK); | |
3139 | (void)av_store(ary, i++, sv); | |
3140 | } | |
79072805 | 3141 | } |
a0d0e21e LW |
3142 | SP = ORIGMARK; |
3143 | PUSHi( AvFILL(ary) + 1 ); | |
79072805 | 3144 | RETURN; |
79072805 LW |
3145 | } |
3146 | ||
a0d0e21e | 3147 | PP(pp_reverse) |
79072805 | 3148 | { |
4e35701f | 3149 | djSP; dMARK; |
a0d0e21e LW |
3150 | register SV *tmp; |
3151 | SV **oldsp = SP; | |
79072805 | 3152 | |
a0d0e21e LW |
3153 | if (GIMME == G_ARRAY) { |
3154 | MARK++; | |
3155 | while (MARK < SP) { | |
3156 | tmp = *MARK; | |
3157 | *MARK++ = *SP; | |
3158 | *SP-- = tmp; | |
3159 | } | |
dd58a1ab | 3160 | /* safe as long as stack cannot get extended in the above */ |
a0d0e21e | 3161 | SP = oldsp; |
79072805 LW |
3162 | } |
3163 | else { | |
a0d0e21e LW |
3164 | register char *up; |
3165 | register char *down; | |
3166 | register I32 tmp; | |
3167 | dTARGET; | |
3168 | STRLEN len; | |
79072805 | 3169 | |
7e2040f0 | 3170 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e | 3171 | if (SP - MARK > 1) |
3280af22 | 3172 | do_join(TARG, &PL_sv_no, MARK, SP); |
a0d0e21e | 3173 | else |
54b9620d | 3174 | sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV); |
a0d0e21e LW |
3175 | up = SvPV_force(TARG, len); |
3176 | if (len > 1) { | |
7e2040f0 | 3177 | if (DO_UTF8(TARG)) { /* first reverse each character */ |
dfe13c55 GS |
3178 | U8* s = (U8*)SvPVX(TARG); |
3179 | U8* send = (U8*)(s + len); | |
a0ed51b3 LW |
3180 | while (s < send) { |
3181 | if (*s < 0x80) { | |
3182 | s++; | |
3183 | continue; | |
3184 | } | |
3185 | else { | |
dfe13c55 | 3186 | up = (char*)s; |
a0ed51b3 | 3187 | s += UTF8SKIP(s); |
dfe13c55 | 3188 | down = (char*)(s - 1); |
f248d071 GS |
3189 | if (s > send || !((*down & 0xc0) == 0x80)) { |
3190 | if (ckWARN_d(WARN_UTF8)) | |
3191 | Perl_warner(aTHX_ WARN_UTF8, | |
3192 | "Malformed UTF-8 character"); | |
a0ed51b3 LW |
3193 | break; |
3194 | } | |
3195 | while (down > up) { | |
3196 | tmp = *up; | |
3197 | *up++ = *down; | |
3198 | *down-- = tmp; | |
3199 | } | |
3200 | } | |
3201 | } | |
3202 | up = SvPVX(TARG); | |
3203 | } | |
a0d0e21e LW |
3204 | down = SvPVX(TARG) + len - 1; |
3205 | while (down > up) { | |
3206 | tmp = *up; | |
3207 | *up++ = *down; | |
3208 | *down-- = tmp; | |
3209 | } | |
3210 | (void)SvPOK_only(TARG); | |
79072805 | 3211 | } |
a0d0e21e LW |
3212 | SP = MARK + 1; |
3213 | SETTARG; | |
79072805 | 3214 | } |
a0d0e21e | 3215 | RETURN; |
79072805 LW |
3216 | } |
3217 | ||
864dbfa3 | 3218 | STATIC SV * |
cea2e8a9 | 3219 | S_mul128(pTHX_ SV *sv, U8 m) |
55497cff | 3220 | { |
3221 | STRLEN len; | |
3222 | char *s = SvPV(sv, len); | |
3223 | char *t; | |
3224 | U32 i = 0; | |
3225 | ||
3226 | if (!strnEQ(s, "0000", 4)) { /* need to grow sv */ | |
79cb57f6 | 3227 | SV *tmpNew = newSVpvn("0000000000", 10); |
55497cff | 3228 | |
09b7f37c | 3229 | sv_catsv(tmpNew, sv); |
55497cff | 3230 | SvREFCNT_dec(sv); /* free old sv */ |
09b7f37c | 3231 | sv = tmpNew; |
55497cff | 3232 | s = SvPV(sv, len); |
3233 | } | |
3234 | t = s + len - 1; | |
3235 | while (!*t) /* trailing '\0'? */ | |
3236 | t--; | |
3237 | while (t > s) { | |
3238 | i = ((*t - '0') << 7) + m; | |
3239 | *(t--) = '0' + (i % 10); | |
3240 | m = i / 10; | |
3241 | } | |
3242 | return (sv); | |
3243 | } | |
3244 | ||
a0d0e21e LW |
3245 | /* Explosives and implosives. */ |
3246 | ||
9d116dd7 JH |
3247 | #if 'I' == 73 && 'J' == 74 |
3248 | /* On an ASCII/ISO kind of system */ | |
ba1ac976 | 3249 | #define ISUUCHAR(ch) ((ch) >= ' ' && (ch) < 'a') |
9d116dd7 JH |
3250 | #else |
3251 | /* | |
3252 | Some other sort of character set - use memchr() so we don't match | |
3253 | the null byte. | |
3254 | */ | |
80252599 | 3255 | #define ISUUCHAR(ch) (memchr(PL_uuemap, (ch), sizeof(PL_uuemap)-1) || (ch) == ' ') |
9d116dd7 JH |
3256 | #endif |
3257 | ||
a0d0e21e | 3258 | PP(pp_unpack) |
79072805 | 3259 | { |
4e35701f | 3260 | djSP; |
a0d0e21e | 3261 | dPOPPOPssrl; |
dd58a1ab | 3262 | I32 start_sp_offset = SP - PL_stack_base; |
54310121 | 3263 | I32 gimme = GIMME_V; |
ed6116ce | 3264 | SV *sv; |
a0d0e21e LW |
3265 | STRLEN llen; |
3266 | STRLEN rlen; | |
3267 | register char *pat = SvPV(left, llen); | |
3268 | register char *s = SvPV(right, rlen); | |
3269 | char *strend = s + rlen; | |
3270 | char *strbeg = s; | |
3271 | register char *patend = pat + llen; | |
3272 | I32 datumtype; | |
3273 | register I32 len; | |
3274 | register I32 bits; | |
abdc5761 | 3275 | register char *str; |
79072805 | 3276 | |
a0d0e21e LW |
3277 | /* These must not be in registers: */ |
3278 | I16 ashort; | |
3279 | int aint; | |
3280 | I32 along; | |
6b8eaf93 | 3281 | #ifdef HAS_QUAD |
ecfc5424 | 3282 | Quad_t aquad; |
a0d0e21e LW |
3283 | #endif |
3284 | U16 aushort; | |
3285 | unsigned int auint; | |
3286 | U32 aulong; | |
6b8eaf93 | 3287 | #ifdef HAS_QUAD |
e862df63 | 3288 | Uquad_t auquad; |
a0d0e21e LW |
3289 | #endif |
3290 | char *aptr; | |
3291 | float afloat; | |
3292 | double adouble; | |
3293 | I32 checksum = 0; | |
3294 | register U32 culong; | |
65202027 | 3295 | NV cdouble; |
fb73857a | 3296 | int commas = 0; |
4b5b2118 | 3297 | int star; |
726ea183 | 3298 | #ifdef PERL_NATINT_PACK |
ef54e1a4 JH |
3299 | int natint; /* native integer */ |
3300 | int unatint; /* unsigned native integer */ | |
726ea183 | 3301 | #endif |
79072805 | 3302 | |
54310121 | 3303 | if (gimme != G_ARRAY) { /* arrange to do first one only */ |
a0d0e21e LW |
3304 | /*SUPPRESS 530*/ |
3305 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; | |
5a929a98 | 3306 | if (strchr("aAZbBhHP", *patend) || *pat == '%') { |
a0d0e21e LW |
3307 | patend++; |
3308 | while (isDIGIT(*patend) || *patend == '*') | |
3309 | patend++; | |
3310 | } | |
3311 | else | |
3312 | patend++; | |
79072805 | 3313 | } |
a0d0e21e LW |
3314 | while (pat < patend) { |
3315 | reparse: | |
bbdab043 | 3316 | datumtype = *pat++ & 0xFF; |
726ea183 | 3317 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 3318 | natint = 0; |
726ea183 | 3319 | #endif |
bbdab043 CS |
3320 | if (isSPACE(datumtype)) |
3321 | continue; | |
17f4a12d IZ |
3322 | if (datumtype == '#') { |
3323 | while (pat < patend && *pat != '\n') | |
3324 | pat++; | |
3325 | continue; | |
3326 | } | |
f61d411c | 3327 | if (*pat == '!') { |
ef54e1a4 JH |
3328 | char *natstr = "sSiIlL"; |
3329 | ||
3330 | if (strchr(natstr, datumtype)) { | |
726ea183 | 3331 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 3332 | natint = 1; |
726ea183 | 3333 | #endif |
ef54e1a4 JH |
3334 | pat++; |
3335 | } | |
3336 | else | |
d470f89e | 3337 | DIE(aTHX_ "'!' allowed only after types %s", natstr); |
ef54e1a4 | 3338 | } |
4b5b2118 | 3339 | star = 0; |
a0d0e21e LW |
3340 | if (pat >= patend) |
3341 | len = 1; | |
3342 | else if (*pat == '*') { | |
3343 | len = strend - strbeg; /* long enough */ | |
3344 | pat++; | |
4b5b2118 | 3345 | star = 1; |
a0d0e21e LW |
3346 | } |
3347 | else if (isDIGIT(*pat)) { | |
3348 | len = *pat++ - '0'; | |
06387354 | 3349 | while (isDIGIT(*pat)) { |
a0d0e21e | 3350 | len = (len * 10) + (*pat++ - '0'); |
06387354 | 3351 | if (len < 0) |
d470f89e | 3352 | DIE(aTHX_ "Repeat count in unpack overflows"); |
06387354 | 3353 | } |
a0d0e21e LW |
3354 | } |
3355 | else | |
3356 | len = (datumtype != '@'); | |
4b5b2118 | 3357 | redo_switch: |
a0d0e21e LW |
3358 | switch(datumtype) { |
3359 | default: | |
d470f89e | 3360 | DIE(aTHX_ "Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 3361 | case ',': /* grandfather in commas but with a warning */ |
e476b1b5 GS |
3362 | if (commas++ == 0 && ckWARN(WARN_UNPACK)) |
3363 | Perl_warner(aTHX_ WARN_UNPACK, | |
d470f89e | 3364 | "Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 3365 | break; |
a0d0e21e LW |
3366 | case '%': |
3367 | if (len == 1 && pat[-1] != '1') | |
3368 | len = 16; | |
3369 | checksum = len; | |
3370 | culong = 0; | |
3371 | cdouble = 0; | |
3372 | if (pat < patend) | |
3373 | goto reparse; | |
3374 | break; | |
3375 | case '@': | |
3376 | if (len > strend - strbeg) | |
cea2e8a9 | 3377 | DIE(aTHX_ "@ outside of string"); |
a0d0e21e LW |
3378 | s = strbeg + len; |
3379 | break; | |
3380 | case 'X': | |
3381 | if (len > s - strbeg) | |
cea2e8a9 | 3382 | DIE(aTHX_ "X outside of string"); |
a0d0e21e LW |
3383 | s -= len; |
3384 | break; | |
3385 | case 'x': | |
3386 | if (len > strend - s) | |
cea2e8a9 | 3387 | DIE(aTHX_ "x outside of string"); |
a0d0e21e LW |
3388 | s += len; |
3389 | break; | |
17f4a12d | 3390 | case '/': |
dd58a1ab | 3391 | if (start_sp_offset >= SP - PL_stack_base) |
17f4a12d | 3392 | DIE(aTHX_ "/ must follow a numeric type"); |
43192e07 IP |
3393 | datumtype = *pat++; |
3394 | if (*pat == '*') | |
3395 | pat++; /* ignore '*' for compatibility with pack */ | |
3396 | if (isDIGIT(*pat)) | |
17f4a12d | 3397 | DIE(aTHX_ "/ cannot take a count" ); |
43192e07 | 3398 | len = POPi; |
4b5b2118 GS |
3399 | star = 0; |
3400 | goto redo_switch; | |
a0d0e21e | 3401 | case 'A': |
5a929a98 | 3402 | case 'Z': |
a0d0e21e LW |
3403 | case 'a': |
3404 | if (len > strend - s) | |
3405 | len = strend - s; | |
3406 | if (checksum) | |
3407 | goto uchar_checksum; | |
3408 | sv = NEWSV(35, len); | |
3409 | sv_setpvn(sv, s, len); | |
3410 | s += len; | |
5a929a98 | 3411 | if (datumtype == 'A' || datumtype == 'Z') { |
a0d0e21e | 3412 | aptr = s; /* borrow register */ |
5a929a98 VU |
3413 | if (datumtype == 'Z') { /* 'Z' strips stuff after first null */ |
3414 | s = SvPVX(sv); | |
3415 | while (*s) | |
3416 | s++; | |
3417 | } | |
3418 | else { /* 'A' strips both nulls and spaces */ | |
3419 | s = SvPVX(sv) + len - 1; | |
3420 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) | |
3421 | s--; | |
3422 | *++s = '\0'; | |
3423 | } | |
a0d0e21e LW |
3424 | SvCUR_set(sv, s - SvPVX(sv)); |
3425 | s = aptr; /* unborrow register */ | |
3426 | } | |
3427 | XPUSHs(sv_2mortal(sv)); | |
3428 | break; | |
3429 | case 'B': | |
3430 | case 'b': | |
4b5b2118 | 3431 | if (star || len > (strend - s) * 8) |
a0d0e21e LW |
3432 | len = (strend - s) * 8; |
3433 | if (checksum) { | |
80252599 GS |
3434 | if (!PL_bitcount) { |
3435 | Newz(601, PL_bitcount, 256, char); | |
a0d0e21e | 3436 | for (bits = 1; bits < 256; bits++) { |
80252599 GS |
3437 | if (bits & 1) PL_bitcount[bits]++; |
3438 | if (bits & 2) PL_bitcount[bits]++; | |
3439 | if (bits & 4) PL_bitcount[bits]++; | |
3440 | if (bits & 8) PL_bitcount[bits]++; | |
3441 | if (bits & 16) PL_bitcount[bits]++; | |
3442 | if (bits & 32) PL_bitcount[bits]++; | |
3443 | if (bits & 64) PL_bitcount[bits]++; | |
3444 | if (bits & 128) PL_bitcount[bits]++; | |
a0d0e21e LW |
3445 | } |
3446 | } | |
3447 | while (len >= 8) { | |
80252599 | 3448 | culong += PL_bitcount[*(unsigned char*)s++]; |
a0d0e21e LW |
3449 | len -= 8; |
3450 | } | |
3451 | if (len) { | |
3452 | bits = *s; | |
3453 | if (datumtype == 'b') { | |
3454 | while (len-- > 0) { | |
3455 | if (bits & 1) culong++; | |
3456 | bits >>= 1; | |
3457 | } | |
3458 | } | |
3459 | else { | |
3460 | while (len-- > 0) { | |
3461 | if (bits & 128) culong++; | |
3462 | bits <<= 1; | |
3463 | } | |
3464 | } | |
3465 | } | |
79072805 LW |
3466 | break; |
3467 | } | |
a0d0e21e LW |
3468 | sv = NEWSV(35, len + 1); |
3469 | SvCUR_set(sv, len); | |
3470 | SvPOK_on(sv); | |
abdc5761 | 3471 | str = SvPVX(sv); |
a0d0e21e LW |
3472 | if (datumtype == 'b') { |
3473 | aint = len; | |
3474 | for (len = 0; len < aint; len++) { | |
3475 | if (len & 7) /*SUPPRESS 595*/ | |
3476 | bits >>= 1; | |
3477 | else | |
3478 | bits = *s++; | |
abdc5761 | 3479 | *str++ = '0' + (bits & 1); |
a0d0e21e LW |
3480 | } |
3481 | } | |
3482 | else { | |
3483 | aint = len; | |
3484 | for (len = 0; len < aint; len++) { | |
3485 | if (len & 7) | |
3486 | bits <<= 1; | |
3487 | else | |
3488 | bits = *s++; | |
abdc5761 | 3489 | *str++ = '0' + ((bits & 128) != 0); |
a0d0e21e LW |
3490 | } |
3491 | } | |
abdc5761 | 3492 | *str = '\0'; |
a0d0e21e LW |
3493 | XPUSHs(sv_2mortal(sv)); |
3494 | break; | |
3495 | case 'H': | |
3496 | case 'h': | |
4b5b2118 | 3497 | if (star || len > (strend - s) * 2) |
a0d0e21e LW |
3498 | len = (strend - s) * 2; |
3499 | sv = NEWSV(35, len + 1); | |
3500 | SvCUR_set(sv, len); | |
3501 | SvPOK_on(sv); | |
abdc5761 | 3502 | str = SvPVX(sv); |
a0d0e21e LW |
3503 | if (datumtype == 'h') { |
3504 | aint = len; | |
3505 | for (len = 0; len < aint; len++) { | |
3506 | if (len & 1) | |
3507 | bits >>= 4; | |
3508 | else | |
3509 | bits = *s++; | |
abdc5761 | 3510 | *str++ = PL_hexdigit[bits & 15]; |
a0d0e21e LW |
3511 | } |
3512 | } | |
3513 | else { | |
3514 | aint = len; | |
3515 | for (len = 0; len < aint; len++) { | |
3516 | if (len & 1) | |
3517 | bits <<= 4; | |
3518 | else | |
3519 | bits = *s++; | |
abdc5761 | 3520 | *str++ = PL_hexdigit[(bits >> 4) & 15]; |
a0d0e21e LW |
3521 | } |
3522 | } | |
abdc5761 | 3523 | *str = '\0'; |
a0d0e21e LW |
3524 | XPUSHs(sv_2mortal(sv)); |
3525 | break; | |
3526 | case 'c': | |
3527 | if (len > strend - s) | |
3528 | len = strend - s; | |
3529 | if (checksum) { | |
3530 | while (len-- > 0) { | |
3531 | aint = *s++; | |
3532 | if (aint >= 128) /* fake up signed chars */ | |
3533 | aint -= 256; | |
3534 | culong += aint; | |
3535 | } | |
3536 | } | |
3537 | else { | |
3538 | EXTEND(SP, len); | |
bbce6d69 | 3539 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3540 | while (len-- > 0) { |
3541 | aint = *s++; | |
3542 | if (aint >= 128) /* fake up signed chars */ | |
3543 | aint -= 256; | |
3544 | sv = NEWSV(36, 0); | |
1e422769 | 3545 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3546 | PUSHs(sv_2mortal(sv)); |
3547 | } | |
3548 | } | |
3549 | break; | |
3550 | case 'C': | |
3551 | if (len > strend - s) | |
3552 | len = strend - s; | |
3553 | if (checksum) { | |
3554 | uchar_checksum: | |
3555 | while (len-- > 0) { | |
3556 | auint = *s++ & 255; | |
3557 | culong += auint; | |
3558 | } | |
3559 | } | |
3560 | else { | |
3561 | EXTEND(SP, len); | |
bbce6d69 | 3562 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3563 | while (len-- > 0) { |
3564 | auint = *s++ & 255; | |
3565 | sv = NEWSV(37, 0); | |
1e422769 | 3566 | sv_setiv(sv, (IV)auint); |
a0d0e21e LW |
3567 | PUSHs(sv_2mortal(sv)); |
3568 | } | |
3569 | } | |
3570 | break; | |
a0ed51b3 LW |
3571 | case 'U': |
3572 | if (len > strend - s) | |
3573 | len = strend - s; | |
3574 | if (checksum) { | |
3575 | while (len-- > 0 && s < strend) { | |
dfe13c55 | 3576 | auint = utf8_to_uv((U8*)s, &along); |
a0ed51b3 | 3577 | s += along; |
32d8b6e5 | 3578 | if (checksum > 32) |
65202027 | 3579 | cdouble += (NV)auint; |
32d8b6e5 GA |
3580 | else |
3581 | culong += auint; | |
a0ed51b3 LW |
3582 | } |
3583 | } | |
3584 | else { | |
3585 | EXTEND(SP, len); | |
3586 | EXTEND_MORTAL(len); | |
3587 | while (len-- > 0 && s < strend) { | |
dfe13c55 | 3588 | auint = utf8_to_uv((U8*)s, &along); |
a0ed51b3 LW |
3589 | s += along; |
3590 | sv = NEWSV(37, 0); | |
bdeef251 | 3591 | sv_setuv(sv, (UV)auint); |
a0ed51b3 LW |
3592 | PUSHs(sv_2mortal(sv)); |
3593 | } | |
3594 | } | |
3595 | break; | |
a0d0e21e | 3596 | case 's': |
726ea183 JH |
3597 | #if SHORTSIZE == SIZE16 |
3598 | along = (strend - s) / SIZE16; | |
3599 | #else | |
ef54e1a4 | 3600 | along = (strend - s) / (natint ? sizeof(short) : SIZE16); |
726ea183 | 3601 | #endif |
a0d0e21e LW |
3602 | if (len > along) |
3603 | len = along; | |
3604 | if (checksum) { | |
726ea183 | 3605 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3606 | if (natint) { |
bf9315bb | 3607 | short ashort; |
ef54e1a4 JH |
3608 | while (len-- > 0) { |
3609 | COPYNN(s, &ashort, sizeof(short)); | |
3610 | s += sizeof(short); | |
3611 | culong += ashort; | |
3612 | ||
3613 | } | |
3614 | } | |
726ea183 JH |
3615 | else |
3616 | #endif | |
3617 | { | |
ef54e1a4 JH |
3618 | while (len-- > 0) { |
3619 | COPY16(s, &ashort); | |
c67712b2 JH |
3620 | #if SHORTSIZE > SIZE16 |
3621 | if (ashort > 32767) | |
3622 | ashort -= 65536; | |
3623 | #endif | |
ef54e1a4 JH |
3624 | s += SIZE16; |
3625 | culong += ashort; | |
3626 | } | |
a0d0e21e LW |
3627 | } |
3628 | } | |
3629 | else { | |
3630 | EXTEND(SP, len); | |
bbce6d69 | 3631 | EXTEND_MORTAL(len); |
726ea183 | 3632 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3633 | if (natint) { |
bf9315bb | 3634 | short ashort; |
ef54e1a4 JH |
3635 | while (len-- > 0) { |
3636 | COPYNN(s, &ashort, sizeof(short)); | |
3637 | s += sizeof(short); | |
3638 | sv = NEWSV(38, 0); | |
3639 | sv_setiv(sv, (IV)ashort); | |
3640 | PUSHs(sv_2mortal(sv)); | |
3641 | } | |
3642 | } | |
726ea183 JH |
3643 | else |
3644 | #endif | |
3645 | { | |
ef54e1a4 JH |
3646 | while (len-- > 0) { |
3647 | COPY16(s, &ashort); | |
c67712b2 JH |
3648 | #if SHORTSIZE > SIZE16 |
3649 | if (ashort > 32767) | |
3650 | ashort -= 65536; | |
3651 | #endif | |
ef54e1a4 JH |
3652 | s += SIZE16; |
3653 | sv = NEWSV(38, 0); | |
3654 | sv_setiv(sv, (IV)ashort); | |
3655 | PUSHs(sv_2mortal(sv)); | |