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; | |
1ad04cfd JH |
1202 | #ifdef __osf__ /* XXX fix in 5.6.1 --jhi */ |
1203 | #if defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE) | |
1204 | #define Perl_isnan isnanl | |
1205 | #else | |
1206 | #define Perl_isnan isnan | |
1207 | #endif | |
1208 | #endif | |
79072805 | 1209 | |
1ad04cfd JH |
1210 | #ifdef __osf__ /* XXX fix in 5.6.1 --jhi */ |
1211 | if (Perl_isnan(left) || Perl_isnan(right)) { | |
1212 | SETs(&PL_sv_undef); | |
1213 | RETURN; | |
1214 | } | |
1215 | value = (left > right) - (left < right); | |
1216 | #else | |
ff0cee69 | 1217 | if (left == right) |
a0d0e21e | 1218 | value = 0; |
a0d0e21e LW |
1219 | else if (left < right) |
1220 | value = -1; | |
44a8e56a | 1221 | else if (left > right) |
1222 | value = 1; | |
1223 | else { | |
3280af22 | 1224 | SETs(&PL_sv_undef); |
44a8e56a | 1225 | RETURN; |
1226 | } | |
1ad04cfd | 1227 | #endif |
a0d0e21e LW |
1228 | SETi(value); |
1229 | RETURN; | |
79072805 | 1230 | } |
a0d0e21e | 1231 | } |
79072805 | 1232 | |
a0d0e21e LW |
1233 | PP(pp_slt) |
1234 | { | |
8ec5e241 | 1235 | djSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
1236 | { |
1237 | dPOPTOPssrl; | |
533c011a | 1238 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1239 | ? sv_cmp_locale(left, right) |
1240 | : sv_cmp(left, right)); | |
54310121 | 1241 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
1242 | RETURN; |
1243 | } | |
79072805 LW |
1244 | } |
1245 | ||
a0d0e21e | 1246 | PP(pp_sgt) |
79072805 | 1247 | { |
8ec5e241 | 1248 | djSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
1249 | { |
1250 | dPOPTOPssrl; | |
533c011a | 1251 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1252 | ? sv_cmp_locale(left, right) |
1253 | : sv_cmp(left, right)); | |
54310121 | 1254 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
1255 | RETURN; |
1256 | } | |
1257 | } | |
79072805 | 1258 | |
a0d0e21e LW |
1259 | PP(pp_sle) |
1260 | { | |
8ec5e241 | 1261 | djSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
1262 | { |
1263 | dPOPTOPssrl; | |
533c011a | 1264 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1265 | ? sv_cmp_locale(left, right) |
1266 | : sv_cmp(left, right)); | |
54310121 | 1267 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 1268 | RETURN; |
79072805 | 1269 | } |
79072805 LW |
1270 | } |
1271 | ||
a0d0e21e LW |
1272 | PP(pp_sge) |
1273 | { | |
8ec5e241 | 1274 | djSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
1275 | { |
1276 | dPOPTOPssrl; | |
533c011a | 1277 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1278 | ? sv_cmp_locale(left, right) |
1279 | : sv_cmp(left, right)); | |
54310121 | 1280 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
1281 | RETURN; |
1282 | } | |
1283 | } | |
79072805 | 1284 | |
36477c24 | 1285 | PP(pp_seq) |
1286 | { | |
8ec5e241 | 1287 | djSP; tryAMAGICbinSET(seq,0); |
36477c24 | 1288 | { |
1289 | dPOPTOPssrl; | |
54310121 | 1290 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
1291 | RETURN; |
1292 | } | |
1293 | } | |
79072805 | 1294 | |
a0d0e21e | 1295 | PP(pp_sne) |
79072805 | 1296 | { |
8ec5e241 | 1297 | djSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
1298 | { |
1299 | dPOPTOPssrl; | |
54310121 | 1300 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 1301 | RETURN; |
463ee0b2 | 1302 | } |
79072805 LW |
1303 | } |
1304 | ||
a0d0e21e | 1305 | PP(pp_scmp) |
79072805 | 1306 | { |
4e35701f | 1307 | djSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
1308 | { |
1309 | dPOPTOPssrl; | |
533c011a | 1310 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1311 | ? sv_cmp_locale(left, right) |
1312 | : sv_cmp(left, right)); | |
1313 | SETi( cmp ); | |
a0d0e21e LW |
1314 | RETURN; |
1315 | } | |
1316 | } | |
79072805 | 1317 | |
55497cff | 1318 | PP(pp_bit_and) |
1319 | { | |
8ec5e241 | 1320 | djSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
1321 | { |
1322 | dPOPTOPssrl; | |
4633a7c4 | 1323 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 1324 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1325 | IV i = SvIV(left) & SvIV(right); |
1326 | SETi(i); | |
d0ba1bd2 JH |
1327 | } |
1328 | else { | |
972b05a9 JH |
1329 | UV u = SvUV(left) & SvUV(right); |
1330 | SETu(u); | |
d0ba1bd2 | 1331 | } |
a0d0e21e LW |
1332 | } |
1333 | else { | |
533c011a | 1334 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1335 | SETTARG; |
1336 | } | |
1337 | RETURN; | |
1338 | } | |
1339 | } | |
79072805 | 1340 | |
a0d0e21e LW |
1341 | PP(pp_bit_xor) |
1342 | { | |
8ec5e241 | 1343 | djSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
1344 | { |
1345 | dPOPTOPssrl; | |
4633a7c4 | 1346 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 1347 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1348 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
1349 | SETi(i); | |
d0ba1bd2 JH |
1350 | } |
1351 | else { | |
972b05a9 JH |
1352 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
1353 | SETu(u); | |
d0ba1bd2 | 1354 | } |
a0d0e21e LW |
1355 | } |
1356 | else { | |
533c011a | 1357 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1358 | SETTARG; |
1359 | } | |
1360 | RETURN; | |
1361 | } | |
1362 | } | |
79072805 | 1363 | |
a0d0e21e LW |
1364 | PP(pp_bit_or) |
1365 | { | |
8ec5e241 | 1366 | djSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
1367 | { |
1368 | dPOPTOPssrl; | |
4633a7c4 | 1369 | if (SvNIOKp(left) || SvNIOKp(right)) { |
d0ba1bd2 | 1370 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1371 | IV i = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
1372 | SETi(i); | |
d0ba1bd2 JH |
1373 | } |
1374 | else { | |
972b05a9 JH |
1375 | UV u = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
1376 | SETu(u); | |
d0ba1bd2 | 1377 | } |
a0d0e21e LW |
1378 | } |
1379 | else { | |
533c011a | 1380 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1381 | SETTARG; |
1382 | } | |
1383 | RETURN; | |
79072805 | 1384 | } |
a0d0e21e | 1385 | } |
79072805 | 1386 | |
a0d0e21e LW |
1387 | PP(pp_negate) |
1388 | { | |
4e35701f | 1389 | djSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
1390 | { |
1391 | dTOPss; | |
4633a7c4 LW |
1392 | if (SvGMAGICAL(sv)) |
1393 | mg_get(sv); | |
55497cff | 1394 | if (SvIOKp(sv) && !SvNOKp(sv) && !SvPOKp(sv) && SvIVX(sv) != IV_MIN) |
1395 | SETi(-SvIVX(sv)); | |
1396 | else if (SvNIOKp(sv)) | |
a0d0e21e | 1397 | SETn(-SvNV(sv)); |
4633a7c4 | 1398 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
1399 | STRLEN len; |
1400 | char *s = SvPV(sv, len); | |
bbce6d69 | 1401 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
1402 | sv_setpvn(TARG, "-", 1); |
1403 | sv_catsv(TARG, sv); | |
79072805 | 1404 | } |
a0d0e21e LW |
1405 | else if (*s == '+' || *s == '-') { |
1406 | sv_setsv(TARG, sv); | |
1407 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 | 1408 | } |
7e2040f0 | 1409 | else if (DO_UTF8(sv) && *(U8*)s >= 0xc0 && isIDFIRST_utf8((U8*)s)) { |
834a4ddd LW |
1410 | sv_setpvn(TARG, "-", 1); |
1411 | sv_catsv(TARG, sv); | |
1412 | } | |
79072805 | 1413 | else |
a0d0e21e LW |
1414 | sv_setnv(TARG, -SvNV(sv)); |
1415 | SETTARG; | |
79072805 | 1416 | } |
4633a7c4 LW |
1417 | else |
1418 | SETn(-SvNV(sv)); | |
79072805 | 1419 | } |
a0d0e21e | 1420 | RETURN; |
79072805 LW |
1421 | } |
1422 | ||
a0d0e21e | 1423 | PP(pp_not) |
79072805 | 1424 | { |
4e35701f | 1425 | djSP; tryAMAGICunSET(not); |
3280af22 | 1426 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 1427 | return NORMAL; |
79072805 LW |
1428 | } |
1429 | ||
a0d0e21e | 1430 | PP(pp_complement) |
79072805 | 1431 | { |
8ec5e241 | 1432 | djSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
1433 | { |
1434 | dTOPss; | |
4633a7c4 | 1435 | if (SvNIOKp(sv)) { |
d0ba1bd2 | 1436 | if (PL_op->op_private & HINT_INTEGER) { |
972b05a9 JH |
1437 | IV i = ~SvIV(sv); |
1438 | SETi(i); | |
d0ba1bd2 JH |
1439 | } |
1440 | else { | |
972b05a9 JH |
1441 | UV u = ~SvUV(sv); |
1442 | SETu(u); | |
d0ba1bd2 | 1443 | } |
a0d0e21e LW |
1444 | } |
1445 | else { | |
1446 | register char *tmps; | |
1447 | register long *tmpl; | |
55497cff | 1448 | register I32 anum; |
a0d0e21e LW |
1449 | STRLEN len; |
1450 | ||
1451 | SvSetSV(TARG, sv); | |
1452 | tmps = SvPV_force(TARG, len); | |
1453 | anum = len; | |
1454 | #ifdef LIBERAL | |
1455 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
1456 | *tmps = ~*tmps; | |
1457 | tmpl = (long*)tmps; | |
1458 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
1459 | *tmpl = ~*tmpl; | |
1460 | tmps = (char*)tmpl; | |
1461 | #endif | |
1462 | for ( ; anum > 0; anum--, tmps++) | |
1463 | *tmps = ~*tmps; | |
1464 | ||
1465 | SETs(TARG); | |
1466 | } | |
1467 | RETURN; | |
1468 | } | |
79072805 LW |
1469 | } |
1470 | ||
a0d0e21e LW |
1471 | /* integer versions of some of the above */ |
1472 | ||
a0d0e21e | 1473 | PP(pp_i_multiply) |
79072805 | 1474 | { |
8ec5e241 | 1475 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
1476 | { |
1477 | dPOPTOPiirl; | |
1478 | SETi( left * right ); | |
1479 | RETURN; | |
1480 | } | |
79072805 LW |
1481 | } |
1482 | ||
a0d0e21e | 1483 | PP(pp_i_divide) |
79072805 | 1484 | { |
8ec5e241 | 1485 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
1486 | { |
1487 | dPOPiv; | |
1488 | if (value == 0) | |
cea2e8a9 | 1489 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
1490 | value = POPi / value; |
1491 | PUSHi( value ); | |
1492 | RETURN; | |
1493 | } | |
79072805 LW |
1494 | } |
1495 | ||
a0d0e21e | 1496 | PP(pp_i_modulo) |
79072805 | 1497 | { |
76e3520e | 1498 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
79072805 | 1499 | { |
a0d0e21e | 1500 | dPOPTOPiirl; |
aa306039 | 1501 | if (!right) |
cea2e8a9 | 1502 | DIE(aTHX_ "Illegal modulus zero"); |
a0d0e21e LW |
1503 | SETi( left % right ); |
1504 | RETURN; | |
79072805 | 1505 | } |
79072805 LW |
1506 | } |
1507 | ||
a0d0e21e | 1508 | PP(pp_i_add) |
79072805 | 1509 | { |
8ec5e241 | 1510 | djSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e LW |
1511 | { |
1512 | dPOPTOPiirl; | |
1513 | SETi( left + right ); | |
1514 | RETURN; | |
79072805 | 1515 | } |
79072805 LW |
1516 | } |
1517 | ||
a0d0e21e | 1518 | PP(pp_i_subtract) |
79072805 | 1519 | { |
8ec5e241 | 1520 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e LW |
1521 | { |
1522 | dPOPTOPiirl; | |
1523 | SETi( left - right ); | |
1524 | RETURN; | |
79072805 | 1525 | } |
79072805 LW |
1526 | } |
1527 | ||
a0d0e21e | 1528 | PP(pp_i_lt) |
79072805 | 1529 | { |
8ec5e241 | 1530 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1531 | { |
1532 | dPOPTOPiirl; | |
54310121 | 1533 | SETs(boolSV(left < right)); |
a0d0e21e LW |
1534 | RETURN; |
1535 | } | |
79072805 LW |
1536 | } |
1537 | ||
a0d0e21e | 1538 | PP(pp_i_gt) |
79072805 | 1539 | { |
8ec5e241 | 1540 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1541 | { |
1542 | dPOPTOPiirl; | |
54310121 | 1543 | SETs(boolSV(left > right)); |
a0d0e21e LW |
1544 | RETURN; |
1545 | } | |
79072805 LW |
1546 | } |
1547 | ||
a0d0e21e | 1548 | PP(pp_i_le) |
79072805 | 1549 | { |
8ec5e241 | 1550 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1551 | { |
1552 | dPOPTOPiirl; | |
54310121 | 1553 | SETs(boolSV(left <= right)); |
a0d0e21e | 1554 | RETURN; |
85e6fe83 | 1555 | } |
79072805 LW |
1556 | } |
1557 | ||
a0d0e21e | 1558 | PP(pp_i_ge) |
79072805 | 1559 | { |
8ec5e241 | 1560 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1561 | { |
1562 | dPOPTOPiirl; | |
54310121 | 1563 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
1564 | RETURN; |
1565 | } | |
79072805 LW |
1566 | } |
1567 | ||
a0d0e21e | 1568 | PP(pp_i_eq) |
79072805 | 1569 | { |
8ec5e241 | 1570 | djSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
1571 | { |
1572 | dPOPTOPiirl; | |
54310121 | 1573 | SETs(boolSV(left == right)); |
a0d0e21e LW |
1574 | RETURN; |
1575 | } | |
79072805 LW |
1576 | } |
1577 | ||
a0d0e21e | 1578 | PP(pp_i_ne) |
79072805 | 1579 | { |
8ec5e241 | 1580 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1581 | { |
1582 | dPOPTOPiirl; | |
54310121 | 1583 | SETs(boolSV(left != right)); |
a0d0e21e LW |
1584 | RETURN; |
1585 | } | |
79072805 LW |
1586 | } |
1587 | ||
a0d0e21e | 1588 | PP(pp_i_ncmp) |
79072805 | 1589 | { |
8ec5e241 | 1590 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1591 | { |
1592 | dPOPTOPiirl; | |
1593 | I32 value; | |
79072805 | 1594 | |
a0d0e21e | 1595 | if (left > right) |
79072805 | 1596 | value = 1; |
a0d0e21e | 1597 | else if (left < right) |
79072805 | 1598 | value = -1; |
a0d0e21e | 1599 | else |
79072805 | 1600 | value = 0; |
a0d0e21e LW |
1601 | SETi(value); |
1602 | RETURN; | |
79072805 | 1603 | } |
85e6fe83 LW |
1604 | } |
1605 | ||
1606 | PP(pp_i_negate) | |
1607 | { | |
4e35701f | 1608 | djSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
1609 | SETi(-TOPi); |
1610 | RETURN; | |
1611 | } | |
1612 | ||
79072805 LW |
1613 | /* High falutin' math. */ |
1614 | ||
1615 | PP(pp_atan2) | |
1616 | { | |
8ec5e241 | 1617 | djSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
1618 | { |
1619 | dPOPTOPnnrl; | |
65202027 | 1620 | SETn(Perl_atan2(left, right)); |
a0d0e21e LW |
1621 | RETURN; |
1622 | } | |
79072805 LW |
1623 | } |
1624 | ||
1625 | PP(pp_sin) | |
1626 | { | |
4e35701f | 1627 | djSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e | 1628 | { |
65202027 | 1629 | NV value; |
a0d0e21e | 1630 | value = POPn; |
65202027 | 1631 | value = Perl_sin(value); |
a0d0e21e LW |
1632 | XPUSHn(value); |
1633 | RETURN; | |
1634 | } | |
79072805 LW |
1635 | } |
1636 | ||
1637 | PP(pp_cos) | |
1638 | { | |
4e35701f | 1639 | djSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e | 1640 | { |
65202027 | 1641 | NV value; |
a0d0e21e | 1642 | value = POPn; |
65202027 | 1643 | value = Perl_cos(value); |
a0d0e21e LW |
1644 | XPUSHn(value); |
1645 | RETURN; | |
1646 | } | |
79072805 LW |
1647 | } |
1648 | ||
56cb0a1c AD |
1649 | /* Support Configure command-line overrides for rand() functions. |
1650 | After 5.005, perhaps we should replace this by Configure support | |
1651 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
1652 | compatibility by calling rand() but allow the user to override it. | |
1653 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
1654 | */ | |
85ab1d1d JH |
1655 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
1656 | in addition to rand(). So the overrides should not be needed any more. | |
1657 | --Jarkko Hietaniemi 27 September 1998 | |
1658 | */ | |
1659 | ||
1660 | #ifndef HAS_DRAND48_PROTO | |
20ce7b12 | 1661 | extern double drand48 (void); |
56cb0a1c AD |
1662 | #endif |
1663 | ||
79072805 LW |
1664 | PP(pp_rand) |
1665 | { | |
4e35701f | 1666 | djSP; dTARGET; |
65202027 | 1667 | NV value; |
79072805 LW |
1668 | if (MAXARG < 1) |
1669 | value = 1.0; | |
1670 | else | |
1671 | value = POPn; | |
1672 | if (value == 0.0) | |
1673 | value = 1.0; | |
80252599 | 1674 | if (!PL_srand_called) { |
85ab1d1d | 1675 | (void)seedDrand01((Rand_seed_t)seed()); |
80252599 | 1676 | PL_srand_called = TRUE; |
93dc8474 | 1677 | } |
85ab1d1d | 1678 | value *= Drand01(); |
79072805 LW |
1679 | XPUSHn(value); |
1680 | RETURN; | |
1681 | } | |
1682 | ||
1683 | PP(pp_srand) | |
1684 | { | |
4e35701f | 1685 | djSP; |
93dc8474 CS |
1686 | UV anum; |
1687 | if (MAXARG < 1) | |
1688 | anum = seed(); | |
79072805 | 1689 | else |
93dc8474 | 1690 | anum = POPu; |
85ab1d1d | 1691 | (void)seedDrand01((Rand_seed_t)anum); |
80252599 | 1692 | PL_srand_called = TRUE; |
79072805 LW |
1693 | EXTEND(SP, 1); |
1694 | RETPUSHYES; | |
1695 | } | |
1696 | ||
76e3520e | 1697 | STATIC U32 |
cea2e8a9 | 1698 | S_seed(pTHX) |
93dc8474 | 1699 | { |
54310121 | 1700 | /* |
1701 | * This is really just a quick hack which grabs various garbage | |
1702 | * values. It really should be a real hash algorithm which | |
1703 | * spreads the effect of every input bit onto every output bit, | |
85ab1d1d | 1704 | * if someone who knows about such things would bother to write it. |
54310121 | 1705 | * Might be a good idea to add that function to CORE as well. |
85ab1d1d | 1706 | * No numbers below come from careful analysis or anything here, |
54310121 | 1707 | * except they are primes and SEED_C1 > 1E6 to get a full-width |
1708 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
1709 | * probably be bigger too. | |
1710 | */ | |
1711 | #if RANDBITS > 16 | |
1712 | # define SEED_C1 1000003 | |
1713 | #define SEED_C4 73819 | |
1714 | #else | |
1715 | # define SEED_C1 25747 | |
1716 | #define SEED_C4 20639 | |
1717 | #endif | |
1718 | #define SEED_C2 3 | |
1719 | #define SEED_C3 269 | |
1720 | #define SEED_C5 26107 | |
1721 | ||
e858de61 | 1722 | dTHR; |
73c60299 RS |
1723 | #ifndef PERL_NO_DEV_RANDOM |
1724 | int fd; | |
1725 | #endif | |
93dc8474 | 1726 | U32 u; |
f12c7020 | 1727 | #ifdef VMS |
1728 | # include <starlet.h> | |
43c92808 HF |
1729 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
1730 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 | 1731 | unsigned int when[2]; |
73c60299 RS |
1732 | #else |
1733 | # ifdef HAS_GETTIMEOFDAY | |
1734 | struct timeval when; | |
1735 | # else | |
1736 | Time_t when; | |
1737 | # endif | |
1738 | #endif | |
1739 | ||
1740 | /* This test is an escape hatch, this symbol isn't set by Configure. */ | |
1741 | #ifndef PERL_NO_DEV_RANDOM | |
1742 | #ifndef PERL_RANDOM_DEVICE | |
1743 | /* /dev/random isn't used by default because reads from it will block | |
1744 | * if there isn't enough entropy available. You can compile with | |
1745 | * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there | |
1746 | * is enough real entropy to fill the seed. */ | |
1747 | # define PERL_RANDOM_DEVICE "/dev/urandom" | |
1748 | #endif | |
1749 | fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0); | |
1750 | if (fd != -1) { | |
1751 | if (PerlLIO_read(fd, &u, sizeof u) != sizeof u) | |
1752 | u = 0; | |
1753 | PerlLIO_close(fd); | |
1754 | if (u) | |
1755 | return u; | |
1756 | } | |
1757 | #endif | |
1758 | ||
1759 | #ifdef VMS | |
93dc8474 | 1760 | _ckvmssts(sys$gettim(when)); |
54310121 | 1761 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 1762 | #else |
5f05dabc | 1763 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 | 1764 | gettimeofday(&when,(struct timezone *) 0); |
54310121 | 1765 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 1766 | # else |
93dc8474 | 1767 | (void)time(&when); |
54310121 | 1768 | u = (U32)SEED_C1 * when; |
f12c7020 | 1769 | # endif |
1770 | #endif | |
7766f137 | 1771 | u += SEED_C3 * (U32)PerlProc_getpid(); |
56431972 | 1772 | u += SEED_C4 * (U32)PTR2UV(PL_stack_sp); |
54310121 | 1773 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
56431972 | 1774 | u += SEED_C5 * (U32)PTR2UV(&when); |
f12c7020 | 1775 | #endif |
93dc8474 | 1776 | return u; |
79072805 LW |
1777 | } |
1778 | ||
1779 | PP(pp_exp) | |
1780 | { | |
4e35701f | 1781 | djSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e | 1782 | { |
65202027 | 1783 | NV value; |
a0d0e21e | 1784 | value = POPn; |
65202027 | 1785 | value = Perl_exp(value); |
a0d0e21e LW |
1786 | XPUSHn(value); |
1787 | RETURN; | |
1788 | } | |
79072805 LW |
1789 | } |
1790 | ||
1791 | PP(pp_log) | |
1792 | { | |
4e35701f | 1793 | djSP; dTARGET; tryAMAGICun(log); |
a0d0e21e | 1794 | { |
65202027 | 1795 | NV value; |
a0d0e21e | 1796 | value = POPn; |
bbce6d69 | 1797 | if (value <= 0.0) { |
097ee67d | 1798 | RESTORE_NUMERIC_STANDARD(); |
cea2e8a9 | 1799 | DIE(aTHX_ "Can't take log of %g", value); |
bbce6d69 | 1800 | } |
65202027 | 1801 | value = Perl_log(value); |
a0d0e21e LW |
1802 | XPUSHn(value); |
1803 | RETURN; | |
1804 | } | |
79072805 LW |
1805 | } |
1806 | ||
1807 | PP(pp_sqrt) | |
1808 | { | |
4e35701f | 1809 | djSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e | 1810 | { |
65202027 | 1811 | NV value; |
a0d0e21e | 1812 | value = POPn; |
bbce6d69 | 1813 | if (value < 0.0) { |
097ee67d | 1814 | RESTORE_NUMERIC_STANDARD(); |
cea2e8a9 | 1815 | DIE(aTHX_ "Can't take sqrt of %g", value); |
bbce6d69 | 1816 | } |
65202027 | 1817 | value = Perl_sqrt(value); |
a0d0e21e LW |
1818 | XPUSHn(value); |
1819 | RETURN; | |
1820 | } | |
79072805 LW |
1821 | } |
1822 | ||
1823 | PP(pp_int) | |
1824 | { | |
4e35701f | 1825 | djSP; dTARGET; |
774d564b | 1826 | { |
65202027 | 1827 | NV value = TOPn; |
774d564b | 1828 | IV iv; |
1829 | ||
1830 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs)) { | |
1831 | iv = SvIVX(TOPs); | |
1832 | SETi(iv); | |
1833 | } | |
1834 | else { | |
1835 | if (value >= 0.0) | |
65202027 | 1836 | (void)Perl_modf(value, &value); |
774d564b | 1837 | else { |
65202027 | 1838 | (void)Perl_modf(-value, &value); |
774d564b | 1839 | value = -value; |
1840 | } | |
1841 | iv = I_V(value); | |
1842 | if (iv == value) | |
1843 | SETi(iv); | |
1844 | else | |
1845 | SETn(value); | |
1846 | } | |
79072805 | 1847 | } |
79072805 LW |
1848 | RETURN; |
1849 | } | |
1850 | ||
463ee0b2 LW |
1851 | PP(pp_abs) |
1852 | { | |
4e35701f | 1853 | djSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 1854 | { |
65202027 | 1855 | NV value = TOPn; |
774d564b | 1856 | IV iv; |
463ee0b2 | 1857 | |
774d564b | 1858 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs) && |
1859 | (iv = SvIVX(TOPs)) != IV_MIN) { | |
1860 | if (iv < 0) | |
1861 | iv = -iv; | |
1862 | SETi(iv); | |
1863 | } | |
1864 | else { | |
1865 | if (value < 0.0) | |
1866 | value = -value; | |
1867 | SETn(value); | |
1868 | } | |
a0d0e21e | 1869 | } |
774d564b | 1870 | RETURN; |
463ee0b2 LW |
1871 | } |
1872 | ||
79072805 LW |
1873 | PP(pp_hex) |
1874 | { | |
4e35701f | 1875 | djSP; dTARGET; |
79072805 LW |
1876 | char *tmps; |
1877 | I32 argtype; | |
2d8e6c8d | 1878 | STRLEN n_a; |
79072805 | 1879 | |
2d8e6c8d | 1880 | tmps = POPpx; |
9e24b6e2 | 1881 | XPUSHn(scan_hex(tmps, 99, &argtype)); |
79072805 LW |
1882 | RETURN; |
1883 | } | |
1884 | ||
1885 | PP(pp_oct) | |
1886 | { | |
4e35701f | 1887 | djSP; dTARGET; |
9e24b6e2 | 1888 | NV value; |
79072805 LW |
1889 | I32 argtype; |
1890 | char *tmps; | |
2d8e6c8d | 1891 | STRLEN n_a; |
79072805 | 1892 | |
2d8e6c8d | 1893 | tmps = POPpx; |
464e2e8a | 1894 | while (*tmps && isSPACE(*tmps)) |
1895 | tmps++; | |
9e24b6e2 JH |
1896 | if (*tmps == '0') |
1897 | tmps++; | |
1898 | if (*tmps == 'x') | |
1899 | value = scan_hex(++tmps, 99, &argtype); | |
1900 | else if (*tmps == 'b') | |
1901 | value = scan_bin(++tmps, 99, &argtype); | |
464e2e8a | 1902 | else |
9e24b6e2 JH |
1903 | value = scan_oct(tmps, 99, &argtype); |
1904 | XPUSHn(value); | |
79072805 LW |
1905 | RETURN; |
1906 | } | |
1907 | ||
1908 | /* String stuff. */ | |
1909 | ||
1910 | PP(pp_length) | |
1911 | { | |
4e35701f | 1912 | djSP; dTARGET; |
7e2040f0 | 1913 | SV *sv = TOPs; |
a0ed51b3 | 1914 | |
7e2040f0 GS |
1915 | if (DO_UTF8(sv)) |
1916 | SETi(sv_len_utf8(sv)); | |
1917 | else | |
1918 | SETi(sv_len(sv)); | |
79072805 LW |
1919 | RETURN; |
1920 | } | |
1921 | ||
1922 | PP(pp_substr) | |
1923 | { | |
4e35701f | 1924 | djSP; dTARGET; |
79072805 LW |
1925 | SV *sv; |
1926 | I32 len; | |
463ee0b2 | 1927 | STRLEN curlen; |
a0ed51b3 | 1928 | STRLEN utfcurlen; |
79072805 LW |
1929 | I32 pos; |
1930 | I32 rem; | |
84902520 | 1931 | I32 fail; |
533c011a | 1932 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
79072805 | 1933 | char *tmps; |
3280af22 | 1934 | I32 arybase = PL_curcop->cop_arybase; |
7b8d334a GS |
1935 | char *repl = 0; |
1936 | STRLEN repl_len; | |
79072805 | 1937 | |
20408e3c | 1938 | SvTAINTED_off(TARG); /* decontaminate */ |
7e2040f0 | 1939 | SvUTF8_off(TARG); /* decontaminate */ |
5d82c453 GA |
1940 | if (MAXARG > 2) { |
1941 | if (MAXARG > 3) { | |
1942 | sv = POPs; | |
1943 | repl = SvPV(sv, repl_len); | |
7b8d334a | 1944 | } |
79072805 | 1945 | len = POPi; |
5d82c453 | 1946 | } |
84902520 | 1947 | pos = POPi; |
79072805 | 1948 | sv = POPs; |
849ca7ee | 1949 | PUTBACK; |
a0d0e21e | 1950 | tmps = SvPV(sv, curlen); |
7e2040f0 | 1951 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
1952 | utfcurlen = sv_len_utf8(sv); |
1953 | if (utfcurlen == curlen) | |
1954 | utfcurlen = 0; | |
1955 | else | |
1956 | curlen = utfcurlen; | |
1957 | } | |
d1c2b58a LW |
1958 | else |
1959 | utfcurlen = 0; | |
a0ed51b3 | 1960 | |
84902520 TB |
1961 | if (pos >= arybase) { |
1962 | pos -= arybase; | |
1963 | rem = curlen-pos; | |
1964 | fail = rem; | |
5d82c453 GA |
1965 | if (MAXARG > 2) { |
1966 | if (len < 0) { | |
1967 | rem += len; | |
1968 | if (rem < 0) | |
1969 | rem = 0; | |
1970 | } | |
1971 | else if (rem > len) | |
1972 | rem = len; | |
1973 | } | |
68dc0745 | 1974 | } |
84902520 | 1975 | else { |
5d82c453 GA |
1976 | pos += curlen; |
1977 | if (MAXARG < 3) | |
1978 | rem = curlen; | |
1979 | else if (len >= 0) { | |
1980 | rem = pos+len; | |
1981 | if (rem > (I32)curlen) | |
1982 | rem = curlen; | |
1983 | } | |
1984 | else { | |
1985 | rem = curlen+len; | |
1986 | if (rem < pos) | |
1987 | rem = pos; | |
1988 | } | |
1989 | if (pos < 0) | |
1990 | pos = 0; | |
1991 | fail = rem; | |
1992 | rem -= pos; | |
84902520 TB |
1993 | } |
1994 | if (fail < 0) { | |
e476b1b5 GS |
1995 | if (lvalue || repl) |
1996 | Perl_croak(aTHX_ "substr outside of string"); | |
1997 | if (ckWARN(WARN_SUBSTR)) | |
cea2e8a9 | 1998 | Perl_warner(aTHX_ WARN_SUBSTR, "substr outside of string"); |
2304df62 AD |
1999 | RETPUSHUNDEF; |
2000 | } | |
79072805 | 2001 | else { |
7e2040f0 | 2002 | if (utfcurlen) { |
a0ed51b3 | 2003 | sv_pos_u2b(sv, &pos, &rem); |
7e2040f0 GS |
2004 | SvUTF8_on(TARG); |
2005 | } | |
79072805 | 2006 | tmps += pos; |
79072805 | 2007 | sv_setpvn(TARG, tmps, rem); |
c8faf1c5 GS |
2008 | if (repl) |
2009 | sv_insert(sv, pos, rem, repl, repl_len); | |
2010 | else if (lvalue) { /* it's an lvalue! */ | |
dedeecda | 2011 | if (!SvGMAGICAL(sv)) { |
2012 | if (SvROK(sv)) { | |
2d8e6c8d GS |
2013 | STRLEN n_a; |
2014 | SvPV_force(sv,n_a); | |
599cee73 | 2015 | if (ckWARN(WARN_SUBSTR)) |
cea2e8a9 | 2016 | Perl_warner(aTHX_ WARN_SUBSTR, |
599cee73 | 2017 | "Attempt to use reference as lvalue in substr"); |
dedeecda | 2018 | } |
2019 | if (SvOK(sv)) /* is it defined ? */ | |
2020 | (void)SvPOK_only(sv); | |
2021 | else | |
2022 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
2023 | } | |
5f05dabc | 2024 | |
a0d0e21e LW |
2025 | if (SvTYPE(TARG) < SVt_PVLV) { |
2026 | sv_upgrade(TARG, SVt_PVLV); | |
2027 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); | |
ed6116ce | 2028 | } |
a0d0e21e | 2029 | |
5f05dabc | 2030 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
2031 | if (LvTARG(TARG) != sv) { |
2032 | if (LvTARG(TARG)) | |
2033 | SvREFCNT_dec(LvTARG(TARG)); | |
2034 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
2035 | } | |
a0d0e21e | 2036 | LvTARGOFF(TARG) = pos; |
8ec5e241 | 2037 | LvTARGLEN(TARG) = rem; |
79072805 LW |
2038 | } |
2039 | } | |
849ca7ee | 2040 | SPAGAIN; |
79072805 LW |
2041 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
2042 | RETURN; | |
2043 | } | |
2044 | ||
2045 | PP(pp_vec) | |
2046 | { | |
4e35701f | 2047 | djSP; dTARGET; |
79072805 LW |
2048 | register I32 size = POPi; |
2049 | register I32 offset = POPi; | |
2050 | register SV *src = POPs; | |
533c011a | 2051 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
a0d0e21e | 2052 | |
81e118e0 JH |
2053 | SvTAINTED_off(TARG); /* decontaminate */ |
2054 | if (lvalue) { /* it's an lvalue! */ | |
2055 | if (SvTYPE(TARG) < SVt_PVLV) { | |
2056 | sv_upgrade(TARG, SVt_PVLV); | |
2057 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); | |
79072805 | 2058 | } |
81e118e0 JH |
2059 | LvTYPE(TARG) = 'v'; |
2060 | if (LvTARG(TARG) != src) { | |
2061 | if (LvTARG(TARG)) | |
2062 | SvREFCNT_dec(LvTARG(TARG)); | |
2063 | LvTARG(TARG) = SvREFCNT_inc(src); | |
79072805 | 2064 | } |
81e118e0 JH |
2065 | LvTARGOFF(TARG) = offset; |
2066 | LvTARGLEN(TARG) = size; | |
79072805 LW |
2067 | } |
2068 | ||
81e118e0 | 2069 | sv_setuv(TARG, do_vecget(src, offset, size)); |
79072805 LW |
2070 | PUSHs(TARG); |
2071 | RETURN; | |
2072 | } | |
2073 | ||
2074 | PP(pp_index) | |
2075 | { | |
4e35701f | 2076 | djSP; dTARGET; |
79072805 LW |
2077 | SV *big; |
2078 | SV *little; | |
2079 | I32 offset; | |
2080 | I32 retval; | |
2081 | char *tmps; | |
2082 | char *tmps2; | |
463ee0b2 | 2083 | STRLEN biglen; |
3280af22 | 2084 | I32 arybase = PL_curcop->cop_arybase; |
79072805 LW |
2085 | |
2086 | if (MAXARG < 3) | |
2087 | offset = 0; | |
2088 | else | |
2089 | offset = POPi - arybase; | |
2090 | little = POPs; | |
2091 | big = POPs; | |
463ee0b2 | 2092 | tmps = SvPV(big, biglen); |
7e2040f0 | 2093 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 | 2094 | sv_pos_u2b(big, &offset, 0); |
79072805 LW |
2095 | if (offset < 0) |
2096 | offset = 0; | |
93a17b20 LW |
2097 | else if (offset > biglen) |
2098 | offset = biglen; | |
79072805 | 2099 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
411d5715 | 2100 | (unsigned char*)tmps + biglen, little, 0))) |
a0ed51b3 | 2101 | retval = -1; |
79072805 | 2102 | else |
a0ed51b3 | 2103 | retval = tmps2 - tmps; |
7e2040f0 | 2104 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2105 | sv_pos_b2u(big, &retval); |
2106 | PUSHi(retval + arybase); | |
79072805 LW |
2107 | RETURN; |
2108 | } | |
2109 | ||
2110 | PP(pp_rindex) | |
2111 | { | |
4e35701f | 2112 | djSP; dTARGET; |
79072805 LW |
2113 | SV *big; |
2114 | SV *little; | |
463ee0b2 LW |
2115 | STRLEN blen; |
2116 | STRLEN llen; | |
79072805 LW |
2117 | I32 offset; |
2118 | I32 retval; | |
2119 | char *tmps; | |
2120 | char *tmps2; | |
3280af22 | 2121 | I32 arybase = PL_curcop->cop_arybase; |
79072805 | 2122 | |
a0d0e21e | 2123 | if (MAXARG >= 3) |
a0ed51b3 | 2124 | offset = POPi; |
79072805 LW |
2125 | little = POPs; |
2126 | big = POPs; | |
463ee0b2 LW |
2127 | tmps2 = SvPV(little, llen); |
2128 | tmps = SvPV(big, blen); | |
79072805 | 2129 | if (MAXARG < 3) |
463ee0b2 | 2130 | offset = blen; |
a0ed51b3 | 2131 | else { |
7e2040f0 | 2132 | if (offset > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2133 | sv_pos_u2b(big, &offset, 0); |
2134 | offset = offset - arybase + llen; | |
2135 | } | |
79072805 LW |
2136 | if (offset < 0) |
2137 | offset = 0; | |
463ee0b2 LW |
2138 | else if (offset > blen) |
2139 | offset = blen; | |
79072805 | 2140 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 2141 | tmps2, tmps2 + llen))) |
a0ed51b3 | 2142 | retval = -1; |
79072805 | 2143 | else |
a0ed51b3 | 2144 | retval = tmps2 - tmps; |
7e2040f0 | 2145 | if (retval > 0 && DO_UTF8(big)) |
a0ed51b3 LW |
2146 | sv_pos_b2u(big, &retval); |
2147 | PUSHi(retval + arybase); | |
79072805 LW |
2148 | RETURN; |
2149 | } | |
2150 | ||
2151 | PP(pp_sprintf) | |
2152 | { | |
4e35701f | 2153 | djSP; dMARK; dORIGMARK; dTARGET; |
79072805 | 2154 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 2155 | TAINT_IF(SvTAINTED(TARG)); |
79072805 LW |
2156 | SP = ORIGMARK; |
2157 | PUSHTARG; | |
2158 | RETURN; | |
2159 | } | |
2160 | ||
79072805 LW |
2161 | PP(pp_ord) |
2162 | { | |
4e35701f | 2163 | djSP; dTARGET; |
bdeef251 | 2164 | UV value; |
2d8e6c8d | 2165 | STRLEN n_a; |
7e2040f0 GS |
2166 | SV *tmpsv = POPs; |
2167 | U8 *tmps = (U8*)SvPVx(tmpsv,n_a); | |
a0ed51b3 | 2168 | I32 retlen; |
79072805 | 2169 | |
7e2040f0 | 2170 | if ((*tmps & 0x80) && DO_UTF8(tmpsv)) |
bdeef251 | 2171 | value = utf8_to_uv(tmps, &retlen); |
a0ed51b3 | 2172 | else |
bdeef251 GA |
2173 | value = (UV)(*tmps & 255); |
2174 | XPUSHu(value); | |
79072805 LW |
2175 | RETURN; |
2176 | } | |
2177 | ||
463ee0b2 LW |
2178 | PP(pp_chr) |
2179 | { | |
4e35701f | 2180 | djSP; dTARGET; |
463ee0b2 | 2181 | char *tmps; |
3b9be786 | 2182 | U32 value = POPu; |
463ee0b2 | 2183 | |
748a9306 | 2184 | (void)SvUPGRADE(TARG,SVt_PV); |
a0ed51b3 | 2185 | |
3969a896 | 2186 | if (value > 255 && !IN_BYTE) { |
aa6ffa16 | 2187 | SvGROW(TARG, UTF8_MAXLEN+1); |
a0ed51b3 | 2188 | tmps = SvPVX(TARG); |
dfe13c55 | 2189 | tmps = (char*)uv_to_utf8((U8*)tmps, (UV)value); |
a0ed51b3 LW |
2190 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
2191 | *tmps = '\0'; | |
2192 | (void)SvPOK_only(TARG); | |
aa6ffa16 | 2193 | SvUTF8_on(TARG); |
a0ed51b3 LW |
2194 | XPUSHs(TARG); |
2195 | RETURN; | |
2196 | } | |
2197 | ||
748a9306 | 2198 | SvGROW(TARG,2); |
463ee0b2 LW |
2199 | SvCUR_set(TARG, 1); |
2200 | tmps = SvPVX(TARG); | |
a0ed51b3 | 2201 | *tmps++ = value; |
748a9306 | 2202 | *tmps = '\0'; |
3969a896 | 2203 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e | 2204 | (void)SvPOK_only(TARG); |
463ee0b2 LW |
2205 | XPUSHs(TARG); |
2206 | RETURN; | |
2207 | } | |
2208 | ||
79072805 LW |
2209 | PP(pp_crypt) |
2210 | { | |
4e35701f | 2211 | djSP; dTARGET; dPOPTOPssrl; |
2d8e6c8d | 2212 | STRLEN n_a; |
79072805 | 2213 | #ifdef HAS_CRYPT |
2d8e6c8d | 2214 | char *tmps = SvPV(left, n_a); |
79072805 | 2215 | #ifdef FCRYPT |
2d8e6c8d | 2216 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
79072805 | 2217 | #else |
2d8e6c8d | 2218 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
79072805 LW |
2219 | #endif |
2220 | #else | |
cea2e8a9 | 2221 | DIE(aTHX_ |
79072805 LW |
2222 | "The crypt() function is unimplemented due to excessive paranoia."); |
2223 | #endif | |
2224 | SETs(TARG); | |
2225 | RETURN; | |
2226 | } | |
2227 | ||
2228 | PP(pp_ucfirst) | |
2229 | { | |
4e35701f | 2230 | djSP; |
79072805 | 2231 | SV *sv = TOPs; |
a0ed51b3 LW |
2232 | register U8 *s; |
2233 | STRLEN slen; | |
2234 | ||
7e2040f0 | 2235 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
a0ed51b3 | 2236 | I32 ulen; |
806e7201 | 2237 | U8 tmpbuf[UTF8_MAXLEN]; |
a0ed51b3 LW |
2238 | U8 *tend; |
2239 | UV uv = utf8_to_uv(s, &ulen); | |
2240 | ||
2241 | if (PL_op->op_private & OPpLOCALE) { | |
2242 | TAINT; | |
2243 | SvTAINTED_on(sv); | |
2244 | uv = toTITLE_LC_uni(uv); | |
2245 | } | |
2246 | else | |
2247 | uv = toTITLE_utf8(s); | |
2248 | ||
2249 | tend = uv_to_utf8(tmpbuf, uv); | |
2250 | ||
014822e4 | 2251 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 2252 | dTARGET; |
dfe13c55 GS |
2253 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
2254 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 2255 | SvUTF8_on(TARG); |
a0ed51b3 LW |
2256 | SETs(TARG); |
2257 | } | |
2258 | else { | |
dfe13c55 | 2259 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
2260 | Copy(tmpbuf, s, ulen, U8); |
2261 | } | |
a0ed51b3 | 2262 | } |
626727d5 | 2263 | else { |
014822e4 | 2264 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 2265 | dTARGET; |
7e2040f0 | 2266 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
2267 | sv_setsv(TARG, sv); |
2268 | sv = TARG; | |
2269 | SETs(sv); | |
2270 | } | |
2271 | s = (U8*)SvPV_force(sv, slen); | |
2272 | if (*s) { | |
2273 | if (PL_op->op_private & OPpLOCALE) { | |
2274 | TAINT; | |
2275 | SvTAINTED_on(sv); | |
2276 | *s = toUPPER_LC(*s); | |
2277 | } | |
2278 | else | |
2279 | *s = toUPPER(*s); | |
bbce6d69 | 2280 | } |
bbce6d69 | 2281 | } |
31351b04 JS |
2282 | if (SvSMAGICAL(sv)) |
2283 | mg_set(sv); | |
79072805 LW |
2284 | RETURN; |
2285 | } | |
2286 | ||
2287 | PP(pp_lcfirst) | |
2288 | { | |
4e35701f | 2289 | djSP; |
79072805 | 2290 | SV *sv = TOPs; |
a0ed51b3 LW |
2291 | register U8 *s; |
2292 | STRLEN slen; | |
2293 | ||
7e2040f0 | 2294 | if (DO_UTF8(sv) && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
a0ed51b3 | 2295 | I32 ulen; |
806e7201 | 2296 | U8 tmpbuf[UTF8_MAXLEN]; |
a0ed51b3 LW |
2297 | U8 *tend; |
2298 | UV uv = utf8_to_uv(s, &ulen); | |
2299 | ||
2300 | if (PL_op->op_private & OPpLOCALE) { | |
2301 | TAINT; | |
2302 | SvTAINTED_on(sv); | |
2303 | uv = toLOWER_LC_uni(uv); | |
2304 | } | |
2305 | else | |
2306 | uv = toLOWER_utf8(s); | |
2307 | ||
2308 | tend = uv_to_utf8(tmpbuf, uv); | |
2309 | ||
014822e4 | 2310 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen || SvREADONLY(sv)) { |
a0ed51b3 | 2311 | dTARGET; |
dfe13c55 GS |
2312 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
2313 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
7e2040f0 | 2314 | SvUTF8_on(TARG); |
a0ed51b3 LW |
2315 | SETs(TARG); |
2316 | } | |
2317 | else { | |
dfe13c55 | 2318 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
2319 | Copy(tmpbuf, s, ulen, U8); |
2320 | } | |
a0ed51b3 | 2321 | } |
626727d5 | 2322 | else { |
014822e4 | 2323 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 2324 | dTARGET; |
7e2040f0 | 2325 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
2326 | sv_setsv(TARG, sv); |
2327 | sv = TARG; | |
2328 | SETs(sv); | |
2329 | } | |
2330 | s = (U8*)SvPV_force(sv, slen); | |
2331 | if (*s) { | |
2332 | if (PL_op->op_private & OPpLOCALE) { | |
2333 | TAINT; | |
2334 | SvTAINTED_on(sv); | |
2335 | *s = toLOWER_LC(*s); | |
2336 | } | |
2337 | else | |
2338 | *s = toLOWER(*s); | |
bbce6d69 | 2339 | } |
bbce6d69 | 2340 | } |
31351b04 JS |
2341 | if (SvSMAGICAL(sv)) |
2342 | mg_set(sv); | |
79072805 LW |
2343 | RETURN; |
2344 | } | |
2345 | ||
2346 | PP(pp_uc) | |
2347 | { | |
4e35701f | 2348 | djSP; |
79072805 | 2349 | SV *sv = TOPs; |
a0ed51b3 | 2350 | register U8 *s; |
463ee0b2 | 2351 | STRLEN len; |
79072805 | 2352 | |
7e2040f0 | 2353 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
2354 | dTARGET; |
2355 | I32 ulen; | |
2356 | register U8 *d; | |
2357 | U8 *send; | |
2358 | ||
dfe13c55 | 2359 | s = (U8*)SvPV(sv,len); |
a5a20234 | 2360 | if (!len) { |
7e2040f0 | 2361 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
2362 | sv_setpvn(TARG, "", 0); |
2363 | SETs(TARG); | |
a0ed51b3 LW |
2364 | } |
2365 | else { | |
31351b04 JS |
2366 | (void)SvUPGRADE(TARG, SVt_PV); |
2367 | SvGROW(TARG, (len * 2) + 1); | |
2368 | (void)SvPOK_only(TARG); | |
2369 | d = (U8*)SvPVX(TARG); | |
2370 | send = s + len; | |
2371 | if (PL_op->op_private & OPpLOCALE) { | |
2372 | TAINT; | |
2373 | SvTAINTED_on(TARG); | |
2374 | while (s < send) { | |
2375 | d = uv_to_utf8(d, toUPPER_LC_uni( utf8_to_uv(s, &ulen))); | |
2376 | s += ulen; | |
2377 | } | |
a0ed51b3 | 2378 | } |
31351b04 JS |
2379 | else { |
2380 | while (s < send) { | |
2381 | d = uv_to_utf8(d, toUPPER_utf8( s )); | |
2382 | s += UTF8SKIP(s); | |
2383 | } | |
a0ed51b3 | 2384 | } |
31351b04 | 2385 | *d = '\0'; |
7e2040f0 | 2386 | SvUTF8_on(TARG); |
31351b04 JS |
2387 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
2388 | SETs(TARG); | |
a0ed51b3 | 2389 | } |
a0ed51b3 | 2390 | } |
626727d5 | 2391 | else { |
014822e4 | 2392 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 2393 | dTARGET; |
7e2040f0 | 2394 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
2395 | sv_setsv(TARG, sv); |
2396 | sv = TARG; | |
2397 | SETs(sv); | |
2398 | } | |
2399 | s = (U8*)SvPV_force(sv, len); | |
2400 | if (len) { | |
2401 | register U8 *send = s + len; | |
2402 | ||
2403 | if (PL_op->op_private & OPpLOCALE) { | |
2404 | TAINT; | |
2405 | SvTAINTED_on(sv); | |
2406 | for (; s < send; s++) | |
2407 | *s = toUPPER_LC(*s); | |
2408 | } | |
2409 | else { | |
2410 | for (; s < send; s++) | |
2411 | *s = toUPPER(*s); | |
2412 | } | |
bbce6d69 | 2413 | } |
79072805 | 2414 | } |
31351b04 JS |
2415 | if (SvSMAGICAL(sv)) |
2416 | mg_set(sv); | |
79072805 LW |
2417 | RETURN; |
2418 | } | |
2419 | ||
2420 | PP(pp_lc) | |
2421 | { | |
4e35701f | 2422 | djSP; |
79072805 | 2423 | SV *sv = TOPs; |
a0ed51b3 | 2424 | register U8 *s; |
463ee0b2 | 2425 | STRLEN len; |
79072805 | 2426 | |
7e2040f0 | 2427 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
2428 | dTARGET; |
2429 | I32 ulen; | |
2430 | register U8 *d; | |
2431 | U8 *send; | |
2432 | ||
dfe13c55 | 2433 | s = (U8*)SvPV(sv,len); |
a5a20234 | 2434 | if (!len) { |
7e2040f0 | 2435 | SvUTF8_off(TARG); /* decontaminate */ |
a5a20234 LW |
2436 | sv_setpvn(TARG, "", 0); |
2437 | SETs(TARG); | |
a0ed51b3 LW |
2438 | } |
2439 | else { | |
31351b04 JS |
2440 | (void)SvUPGRADE(TARG, SVt_PV); |
2441 | SvGROW(TARG, (len * 2) + 1); | |
2442 | (void)SvPOK_only(TARG); | |
2443 | d = (U8*)SvPVX(TARG); | |
2444 | send = s + len; | |
2445 | if (PL_op->op_private & OPpLOCALE) { | |
2446 | TAINT; | |
2447 | SvTAINTED_on(TARG); | |
2448 | while (s < send) { | |
2449 | d = uv_to_utf8(d, toLOWER_LC_uni( utf8_to_uv(s, &ulen))); | |
2450 | s += ulen; | |
2451 | } | |
a0ed51b3 | 2452 | } |
31351b04 JS |
2453 | else { |
2454 | while (s < send) { | |
2455 | d = uv_to_utf8(d, toLOWER_utf8(s)); | |
2456 | s += UTF8SKIP(s); | |
2457 | } | |
a0ed51b3 | 2458 | } |
31351b04 | 2459 | *d = '\0'; |
7e2040f0 | 2460 | SvUTF8_on(TARG); |
31351b04 JS |
2461 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); |
2462 | SETs(TARG); | |
a0ed51b3 | 2463 | } |
79072805 | 2464 | } |
626727d5 | 2465 | else { |
014822e4 | 2466 | if (!SvPADTMP(sv) || SvREADONLY(sv)) { |
31351b04 | 2467 | dTARGET; |
7e2040f0 | 2468 | SvUTF8_off(TARG); /* decontaminate */ |
31351b04 JS |
2469 | sv_setsv(TARG, sv); |
2470 | sv = TARG; | |
2471 | SETs(sv); | |
a0ed51b3 | 2472 | } |
bbce6d69 | 2473 | |
31351b04 JS |
2474 | s = (U8*)SvPV_force(sv, len); |
2475 | if (len) { | |
2476 | register U8 *send = s + len; | |
bbce6d69 | 2477 | |
31351b04 JS |
2478 | if (PL_op->op_private & OPpLOCALE) { |
2479 | TAINT; | |
2480 | SvTAINTED_on(sv); | |
2481 | for (; s < send; s++) | |
2482 | *s = toLOWER_LC(*s); | |
2483 | } | |
2484 | else { | |
2485 | for (; s < send; s++) | |
2486 | *s = toLOWER(*s); | |
2487 | } | |
bbce6d69 | 2488 | } |
79072805 | 2489 | } |
31351b04 JS |
2490 | if (SvSMAGICAL(sv)) |
2491 | mg_set(sv); | |
79072805 LW |
2492 | RETURN; |
2493 | } | |
2494 | ||
a0d0e21e | 2495 | PP(pp_quotemeta) |
79072805 | 2496 | { |
4e35701f | 2497 | djSP; dTARGET; |
a0d0e21e LW |
2498 | SV *sv = TOPs; |
2499 | STRLEN len; | |
2500 | register char *s = SvPV(sv,len); | |
2501 | register char *d; | |
79072805 | 2502 | |
7e2040f0 | 2503 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e LW |
2504 | if (len) { |
2505 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 2506 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e | 2507 | d = SvPVX(TARG); |
7e2040f0 | 2508 | if (DO_UTF8(sv)) { |
0dd2cdef LW |
2509 | while (len) { |
2510 | if (*s & 0x80) { | |
2511 | STRLEN ulen = UTF8SKIP(s); | |
2512 | if (ulen > len) | |
2513 | ulen = len; | |
2514 | len -= ulen; | |
2515 | while (ulen--) | |
2516 | *d++ = *s++; | |
2517 | } | |
2518 | else { | |
2519 | if (!isALNUM(*s)) | |
2520 | *d++ = '\\'; | |
2521 | *d++ = *s++; | |
2522 | len--; | |
2523 | } | |
2524 | } | |
7e2040f0 | 2525 | SvUTF8_on(TARG); |
0dd2cdef LW |
2526 | } |
2527 | else { | |
2528 | while (len--) { | |
2529 | if (!isALNUM(*s)) | |
2530 | *d++ = '\\'; | |
2531 | *d++ = *s++; | |
2532 | } | |
79072805 | 2533 | } |
a0d0e21e LW |
2534 | *d = '\0'; |
2535 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
2536 | (void)SvPOK_only(TARG); | |
79072805 | 2537 | } |
a0d0e21e LW |
2538 | else |
2539 | sv_setpvn(TARG, s, len); | |
2540 | SETs(TARG); | |
31351b04 JS |
2541 | if (SvSMAGICAL(TARG)) |
2542 | mg_set(TARG); | |
79072805 LW |
2543 | RETURN; |
2544 | } | |
2545 | ||
a0d0e21e | 2546 | /* Arrays. */ |
79072805 | 2547 | |
a0d0e21e | 2548 | PP(pp_aslice) |
79072805 | 2549 | { |
4e35701f | 2550 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2551 | register SV** svp; |
2552 | register AV* av = (AV*)POPs; | |
533c011a | 2553 | register I32 lval = PL_op->op_flags & OPf_MOD; |
3280af22 | 2554 | I32 arybase = PL_curcop->cop_arybase; |
748a9306 | 2555 | I32 elem; |
79072805 | 2556 | |
a0d0e21e | 2557 | if (SvTYPE(av) == SVt_PVAV) { |
533c011a | 2558 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
748a9306 | 2559 | I32 max = -1; |
924508f0 | 2560 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
2561 | elem = SvIVx(*svp); |
2562 | if (elem > max) | |
2563 | max = elem; | |
2564 | } | |
2565 | if (max > AvMAX(av)) | |
2566 | av_extend(av, max); | |
2567 | } | |
a0d0e21e | 2568 | while (++MARK <= SP) { |
748a9306 | 2569 | elem = SvIVx(*MARK); |
a0d0e21e | 2570 | |
748a9306 LW |
2571 | if (elem > 0) |
2572 | elem -= arybase; | |
a0d0e21e LW |
2573 | svp = av_fetch(av, elem, lval); |
2574 | if (lval) { | |
3280af22 | 2575 | if (!svp || *svp == &PL_sv_undef) |
cea2e8a9 | 2576 | DIE(aTHX_ PL_no_aelem, elem); |
533c011a | 2577 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 2578 | save_aelem(av, elem, svp); |
79072805 | 2579 | } |
3280af22 | 2580 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
2581 | } |
2582 | } | |
748a9306 | 2583 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
2584 | MARK = ORIGMARK; |
2585 | *++MARK = *SP; | |
2586 | SP = MARK; | |
2587 | } | |
79072805 LW |
2588 | RETURN; |
2589 | } | |
2590 | ||
2591 | /* Associative arrays. */ | |
2592 | ||
2593 | PP(pp_each) | |
2594 | { | |
59af0135 | 2595 | djSP; |
79072805 | 2596 | HV *hash = (HV*)POPs; |
c07a80fd | 2597 | HE *entry; |
54310121 | 2598 | I32 gimme = GIMME_V; |
c750a3ec | 2599 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
8ec5e241 | 2600 | |
c07a80fd | 2601 | PUTBACK; |
c750a3ec MB |
2602 | /* might clobber stack_sp */ |
2603 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
c07a80fd | 2604 | SPAGAIN; |
79072805 | 2605 | |
79072805 LW |
2606 | EXTEND(SP, 2); |
2607 | if (entry) { | |
54310121 | 2608 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
2609 | if (gimme == G_ARRAY) { | |
59af0135 | 2610 | SV *val; |
c07a80fd | 2611 | PUTBACK; |
c750a3ec | 2612 | /* might clobber stack_sp */ |
59af0135 GS |
2613 | val = realhv ? |
2614 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry); | |
c07a80fd | 2615 | SPAGAIN; |
59af0135 | 2616 | PUSHs(val); |
79072805 | 2617 | } |
79072805 | 2618 | } |
54310121 | 2619 | else if (gimme == G_SCALAR) |
79072805 LW |
2620 | RETPUSHUNDEF; |
2621 | ||
2622 | RETURN; | |
2623 | } | |
2624 | ||
2625 | PP(pp_values) | |
2626 | { | |
cea2e8a9 | 2627 | return do_kv(); |
79072805 LW |
2628 | } |
2629 | ||
2630 | PP(pp_keys) | |
2631 | { | |
cea2e8a9 | 2632 | return do_kv(); |
79072805 LW |
2633 | } |
2634 | ||
2635 | PP(pp_delete) | |
2636 | { | |
4e35701f | 2637 | djSP; |
54310121 | 2638 | I32 gimme = GIMME_V; |
2639 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 2640 | SV *sv; |
5f05dabc | 2641 | HV *hv; |
2642 | ||
533c011a | 2643 | if (PL_op->op_private & OPpSLICE) { |
5f05dabc | 2644 | dMARK; dORIGMARK; |
97fcbf96 | 2645 | U32 hvtype; |
5f05dabc | 2646 | hv = (HV*)POPs; |
97fcbf96 | 2647 | hvtype = SvTYPE(hv); |
01020589 GS |
2648 | if (hvtype == SVt_PVHV) { /* hash element */ |
2649 | while (++MARK <= SP) { | |
ae77835f | 2650 | sv = hv_delete_ent(hv, *MARK, discard, 0); |
01020589 GS |
2651 | *MARK = sv ? sv : &PL_sv_undef; |
2652 | } | |
5f05dabc | 2653 | } |
01020589 GS |
2654 | else if (hvtype == SVt_PVAV) { |
2655 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ | |
2656 | while (++MARK <= SP) { | |
2657 | sv = av_delete((AV*)hv, SvIV(*MARK), discard); | |
2658 | *MARK = sv ? sv : &PL_sv_undef; | |
2659 | } | |
2660 | } | |
2661 | else { /* pseudo-hash element */ | |
2662 | while (++MARK <= SP) { | |
2663 | sv = avhv_delete_ent((AV*)hv, *MARK, discard, 0); | |
2664 | *MARK = sv ? sv : &PL_sv_undef; | |
2665 | } | |
2666 | } | |
2667 | } | |
2668 | else | |
2669 | DIE(aTHX_ "Not a HASH reference"); | |
54310121 | 2670 | if (discard) |
2671 | SP = ORIGMARK; | |
2672 | else if (gimme == G_SCALAR) { | |
5f05dabc | 2673 | MARK = ORIGMARK; |
2674 | *++MARK = *SP; | |
2675 | SP = MARK; | |
2676 | } | |
2677 | } | |
2678 | else { | |
2679 | SV *keysv = POPs; | |
2680 | hv = (HV*)POPs; | |
97fcbf96 MB |
2681 | if (SvTYPE(hv) == SVt_PVHV) |
2682 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
01020589 GS |
2683 | else if (SvTYPE(hv) == SVt_PVAV) { |
2684 | if (PL_op->op_flags & OPf_SPECIAL) | |
2685 | sv = av_delete((AV*)hv, SvIV(keysv), discard); | |
2686 | else | |
2687 | sv = avhv_delete_ent((AV*)hv, keysv, discard, 0); | |
2688 | } | |
97fcbf96 | 2689 | else |
cea2e8a9 | 2690 | DIE(aTHX_ "Not a HASH reference"); |
5f05dabc | 2691 | if (!sv) |
3280af22 | 2692 | sv = &PL_sv_undef; |
54310121 | 2693 | if (!discard) |
2694 | PUSHs(sv); | |
79072805 | 2695 | } |
79072805 LW |
2696 | RETURN; |
2697 | } | |
2698 | ||
a0d0e21e | 2699 | PP(pp_exists) |
79072805 | 2700 | { |
4e35701f | 2701 | djSP; |
afebc493 GS |
2702 | SV *tmpsv; |
2703 | HV *hv; | |
2704 | ||
2705 | if (PL_op->op_private & OPpEXISTS_SUB) { | |
2706 | GV *gv; | |
2707 | CV *cv; | |
2708 | SV *sv = POPs; | |
2709 | cv = sv_2cv(sv, &hv, &gv, FALSE); | |
2710 | if (cv) | |
2711 | RETPUSHYES; | |
2712 | if (gv && isGV(gv) && GvCV(gv) && !GvCVGEN(gv)) | |
2713 | RETPUSHYES; | |
2714 | RETPUSHNO; | |
2715 | } | |
2716 | tmpsv = POPs; | |
2717 | hv = (HV*)POPs; | |
c750a3ec | 2718 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 2719 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec | 2720 | RETPUSHYES; |
ef54e1a4 JH |
2721 | } |
2722 | else if (SvTYPE(hv) == SVt_PVAV) { | |
01020589 GS |
2723 | if (PL_op->op_flags & OPf_SPECIAL) { /* array element */ |
2724 | if (av_exists((AV*)hv, SvIV(tmpsv))) | |
2725 | RETPUSHYES; | |
2726 | } | |
2727 | else if (avhv_exists_ent((AV*)hv, tmpsv, 0)) /* pseudo-hash element */ | |
c750a3ec | 2728 | RETPUSHYES; |
ef54e1a4 JH |
2729 | } |
2730 | else { | |
cea2e8a9 | 2731 | DIE(aTHX_ "Not a HASH reference"); |
a0d0e21e | 2732 | } |
a0d0e21e LW |
2733 | RETPUSHNO; |
2734 | } | |
79072805 | 2735 | |
a0d0e21e LW |
2736 | PP(pp_hslice) |
2737 | { | |
4e35701f | 2738 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 2739 | register HV *hv = (HV*)POPs; |
533c011a | 2740 | register I32 lval = PL_op->op_flags & OPf_MOD; |
c750a3ec | 2741 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
79072805 | 2742 | |
0ebe0038 | 2743 | if (!realhv && PL_op->op_private & OPpLVAL_INTRO) |
cea2e8a9 | 2744 | DIE(aTHX_ "Can't localize pseudo-hash element"); |
0ebe0038 | 2745 | |
c750a3ec | 2746 | if (realhv || SvTYPE(hv) == SVt_PVAV) { |
a0d0e21e | 2747 | while (++MARK <= SP) { |
f12c7020 | 2748 | SV *keysv = *MARK; |
ae77835f MB |
2749 | SV **svp; |
2750 | if (realhv) { | |
800e9ae0 | 2751 | HE *he = hv_fetch_ent(hv, keysv, lval, 0); |
ae77835f | 2752 | svp = he ? &HeVAL(he) : 0; |
ef54e1a4 JH |
2753 | } |
2754 | else { | |
97fcbf96 | 2755 | svp = avhv_fetch_ent((AV*)hv, keysv, lval, 0); |
ae77835f | 2756 | } |
a0d0e21e | 2757 | if (lval) { |
2d8e6c8d GS |
2758 | if (!svp || *svp == &PL_sv_undef) { |
2759 | STRLEN n_a; | |
cea2e8a9 | 2760 | DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a)); |
2d8e6c8d | 2761 | } |
533c011a | 2762 | if (PL_op->op_private & OPpLVAL_INTRO) |
800e9ae0 | 2763 | save_helem(hv, keysv, svp); |
93a17b20 | 2764 | } |
3280af22 | 2765 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
2766 | } |
2767 | } | |
a0d0e21e LW |
2768 | if (GIMME != G_ARRAY) { |
2769 | MARK = ORIGMARK; | |
2770 | *++MARK = *SP; | |
2771 | SP = MARK; | |
79072805 | 2772 | } |
a0d0e21e LW |
2773 | RETURN; |
2774 | } | |
2775 | ||
2776 | /* List operators. */ | |
2777 | ||
2778 | PP(pp_list) | |
2779 | { | |
4e35701f | 2780 | djSP; dMARK; |
a0d0e21e LW |
2781 | if (GIMME != G_ARRAY) { |
2782 | if (++MARK <= SP) | |
2783 | *MARK = *SP; /* unwanted list, return last item */ | |
8990e307 | 2784 | else |
3280af22 | 2785 | *MARK = &PL_sv_undef; |
a0d0e21e | 2786 | SP = MARK; |
79072805 | 2787 | } |
a0d0e21e | 2788 | RETURN; |
79072805 LW |
2789 | } |
2790 | ||
a0d0e21e | 2791 | PP(pp_lslice) |
79072805 | 2792 | { |
4e35701f | 2793 | djSP; |
3280af22 NIS |
2794 | SV **lastrelem = PL_stack_sp; |
2795 | SV **lastlelem = PL_stack_base + POPMARK; | |
2796 | SV **firstlelem = PL_stack_base + POPMARK + 1; | |
a0d0e21e | 2797 | register SV **firstrelem = lastlelem + 1; |
3280af22 | 2798 | I32 arybase = PL_curcop->cop_arybase; |
533c011a | 2799 | I32 lval = PL_op->op_flags & OPf_MOD; |
4633a7c4 | 2800 | I32 is_something_there = lval; |
79072805 | 2801 | |
a0d0e21e LW |
2802 | register I32 max = lastrelem - lastlelem; |
2803 | register SV **lelem; | |
2804 | register I32 ix; | |
2805 | ||
2806 | if (GIMME != G_ARRAY) { | |
748a9306 LW |
2807 | ix = SvIVx(*lastlelem); |
2808 | if (ix < 0) | |
2809 | ix += max; | |
2810 | else | |
2811 | ix -= arybase; | |
a0d0e21e | 2812 | if (ix < 0 || ix >= max) |
3280af22 | 2813 | *firstlelem = &PL_sv_undef; |
a0d0e21e LW |
2814 | else |
2815 | *firstlelem = firstrelem[ix]; | |
2816 | SP = firstlelem; | |
2817 | RETURN; | |
2818 | } | |
2819 | ||
2820 | if (max == 0) { | |
2821 | SP = firstlelem - 1; | |
2822 | RETURN; | |
2823 | } | |
2824 | ||
2825 | for (lelem = firstlelem; lelem <= lastlelem; lelem++) { | |
748a9306 | 2826 | ix = SvIVx(*lelem); |
c73bf8e3 | 2827 | if (ix < 0) |
a0d0e21e | 2828 | ix += max; |
c73bf8e3 | 2829 | else |
748a9306 | 2830 | ix -= arybase; |
c73bf8e3 HS |
2831 | if (ix < 0 || ix >= max) |
2832 | *lelem = &PL_sv_undef; | |
2833 | else { | |
2834 | is_something_there = TRUE; | |
2835 | if (!(*lelem = firstrelem[ix])) | |
3280af22 | 2836 | *lelem = &PL_sv_undef; |
748a9306 | 2837 | } |
79072805 | 2838 | } |
4633a7c4 LW |
2839 | if (is_something_there) |
2840 | SP = lastlelem; | |
2841 | else | |
2842 | SP = firstlelem - 1; | |
79072805 LW |
2843 | RETURN; |
2844 | } | |
2845 | ||
a0d0e21e LW |
2846 | PP(pp_anonlist) |
2847 | { | |
4e35701f | 2848 | djSP; dMARK; dORIGMARK; |
a0d0e21e | 2849 | I32 items = SP - MARK; |
44a8e56a | 2850 | SV *av = sv_2mortal((SV*)av_make(items, MARK+1)); |
2851 | SP = ORIGMARK; /* av_make() might realloc stack_sp */ | |
2852 | XPUSHs(av); | |
a0d0e21e LW |
2853 | RETURN; |
2854 | } | |
2855 | ||
2856 | PP(pp_anonhash) | |
79072805 | 2857 | { |
4e35701f | 2858 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2859 | HV* hv = (HV*)sv_2mortal((SV*)newHV()); |
2860 | ||
2861 | while (MARK < SP) { | |
2862 | SV* key = *++MARK; | |
a0d0e21e LW |
2863 | SV *val = NEWSV(46, 0); |
2864 | if (MARK < SP) | |
2865 | sv_setsv(val, *++MARK); | |
e476b1b5 GS |
2866 | else if (ckWARN(WARN_MISC)) |
2867 | Perl_warner(aTHX_ WARN_MISC, "Odd number of elements in hash assignment"); | |
f12c7020 | 2868 | (void)hv_store_ent(hv,key,val,0); |
79072805 | 2869 | } |
a0d0e21e LW |
2870 | SP = ORIGMARK; |
2871 | XPUSHs((SV*)hv); | |
79072805 LW |
2872 | RETURN; |
2873 | } | |
2874 | ||
a0d0e21e | 2875 | PP(pp_splice) |
79072805 | 2876 | { |
4e35701f | 2877 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2878 | register AV *ary = (AV*)*++MARK; |
2879 | register SV **src; | |
2880 | register SV **dst; | |
2881 | register I32 i; | |
2882 | register I32 offset; | |
2883 | register I32 length; | |
2884 | I32 newlen; | |
2885 | I32 after; | |
2886 | I32 diff; | |
2887 | SV **tmparyval = 0; | |
93965878 NIS |
2888 | MAGIC *mg; |
2889 | ||
33c27489 GS |
2890 | if (mg = SvTIED_mg((SV*)ary, 'P')) { |
2891 | *MARK-- = SvTIED_obj((SV*)ary, mg); | |
93965878 | 2892 | PUSHMARK(MARK); |
8ec5e241 | 2893 | PUTBACK; |
a60c0954 | 2894 | ENTER; |
864dbfa3 | 2895 | call_method("SPLICE",GIMME_V); |
a60c0954 | 2896 | LEAVE; |
93965878 NIS |
2897 | SPAGAIN; |
2898 | RETURN; | |
2899 | } | |
79072805 | 2900 | |
a0d0e21e | 2901 | SP++; |
79072805 | 2902 | |
a0d0e21e | 2903 | if (++MARK < SP) { |
84902520 | 2904 | offset = i = SvIVx(*MARK); |
a0d0e21e | 2905 | if (offset < 0) |
93965878 | 2906 | offset += AvFILLp(ary) + 1; |
a0d0e21e | 2907 | else |
3280af22 | 2908 | offset -= PL_curcop->cop_arybase; |
84902520 | 2909 | if (offset < 0) |
cea2e8a9 | 2910 | DIE(aTHX_ PL_no_aelem, i); |
a0d0e21e LW |
2911 | if (++MARK < SP) { |
2912 | length = SvIVx(*MARK++); | |
48cdf507 GA |
2913 | if (length < 0) { |
2914 | length += AvFILLp(ary) - offset + 1; | |
2915 | if (length < 0) | |
2916 | length = 0; | |
2917 | } | |
79072805 LW |
2918 | } |
2919 | else | |
a0d0e21e | 2920 | length = AvMAX(ary) + 1; /* close enough to infinity */ |
79072805 | 2921 | } |
a0d0e21e LW |
2922 | else { |
2923 | offset = 0; | |
2924 | length = AvMAX(ary) + 1; | |
2925 | } | |
93965878 NIS |
2926 | if (offset > AvFILLp(ary) + 1) |
2927 | offset = AvFILLp(ary) + 1; | |
2928 | after = AvFILLp(ary) + 1 - (offset + length); | |
a0d0e21e LW |
2929 | if (after < 0) { /* not that much array */ |
2930 | length += after; /* offset+length now in array */ | |
2931 | after = 0; | |
2932 | if (!AvALLOC(ary)) | |
2933 | av_extend(ary, 0); | |
2934 | } | |
2935 | ||
2936 | /* At this point, MARK .. SP-1 is our new LIST */ | |
2937 | ||
2938 | newlen = SP - MARK; | |
2939 | diff = newlen - length; | |
13d7cbc1 GS |
2940 | if (newlen && !AvREAL(ary) && AvREIFY(ary)) |
2941 | av_reify(ary); | |
a0d0e21e LW |
2942 | |
2943 | if (diff < 0) { /* shrinking the area */ | |
2944 | if (newlen) { | |
2945 | New(451, tmparyval, newlen, SV*); /* so remember insertion */ | |
2946 | Copy(MARK, tmparyval, newlen, SV*); | |
79072805 | 2947 | } |
a0d0e21e LW |
2948 | |
2949 | MARK = ORIGMARK + 1; | |
2950 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
2951 | MEXTEND(MARK, length); | |
2952 | Copy(AvARRAY(ary)+offset, MARK, length, SV*); | |
2953 | if (AvREAL(ary)) { | |
bbce6d69 | 2954 | EXTEND_MORTAL(length); |
36477c24 | 2955 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 2956 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 2957 | dst++; |
2958 | } | |
a0d0e21e LW |
2959 | } |
2960 | MARK += length - 1; | |
79072805 | 2961 | } |
a0d0e21e LW |
2962 | else { |
2963 | *MARK = AvARRAY(ary)[offset+length-1]; | |
2964 | if (AvREAL(ary)) { | |
d689ffdd | 2965 | sv_2mortal(*MARK); |
a0d0e21e LW |
2966 | for (i = length - 1, dst = &AvARRAY(ary)[offset]; i > 0; i--) |
2967 | SvREFCNT_dec(*dst++); /* free them now */ | |
79072805 | 2968 | } |
a0d0e21e | 2969 | } |
93965878 | 2970 | AvFILLp(ary) += diff; |
a0d0e21e LW |
2971 | |
2972 | /* pull up or down? */ | |
2973 | ||
2974 | if (offset < after) { /* easier to pull up */ | |
2975 | if (offset) { /* esp. if nothing to pull */ | |
2976 | src = &AvARRAY(ary)[offset-1]; | |
2977 | dst = src - diff; /* diff is negative */ | |
2978 | for (i = offset; i > 0; i--) /* can't trust Copy */ | |
2979 | *dst-- = *src--; | |
79072805 | 2980 | } |
a0d0e21e LW |
2981 | dst = AvARRAY(ary); |
2982 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff); /* diff is negative */ | |
2983 | AvMAX(ary) += diff; | |
2984 | } | |
2985 | else { | |
2986 | if (after) { /* anything to pull down? */ | |
2987 | src = AvARRAY(ary) + offset + length; | |
2988 | dst = src + diff; /* diff is negative */ | |
2989 | Move(src, dst, after, SV*); | |
79072805 | 2990 | } |
93965878 | 2991 | dst = &AvARRAY(ary)[AvFILLp(ary)+1]; |
a0d0e21e LW |
2992 | /* avoid later double free */ |
2993 | } | |
2994 | i = -diff; | |
2995 | while (i) | |
3280af22 | 2996 | dst[--i] = &PL_sv_undef; |
a0d0e21e LW |
2997 | |
2998 | if (newlen) { | |
2999 | for (src = tmparyval, dst = AvARRAY(ary) + offset; | |
3000 | newlen; newlen--) { | |
3001 | *dst = NEWSV(46, 0); | |
3002 | sv_setsv(*dst++, *src++); | |
79072805 | 3003 | } |
a0d0e21e LW |
3004 | Safefree(tmparyval); |
3005 | } | |
3006 | } | |
3007 | else { /* no, expanding (or same) */ | |
3008 | if (length) { | |
3009 | New(452, tmparyval, length, SV*); /* so remember deletion */ | |
3010 | Copy(AvARRAY(ary)+offset, tmparyval, length, SV*); | |
3011 | } | |
3012 | ||
3013 | if (diff > 0) { /* expanding */ | |
3014 | ||
3015 | /* push up or down? */ | |
3016 | ||
3017 | if (offset < after && diff <= AvARRAY(ary) - AvALLOC(ary)) { | |
3018 | if (offset) { | |
3019 | src = AvARRAY(ary); | |
3020 | dst = src - diff; | |
3021 | Move(src, dst, offset, SV*); | |
79072805 | 3022 | } |
a0d0e21e LW |
3023 | SvPVX(ary) = (char*)(AvARRAY(ary) - diff);/* diff is positive */ |
3024 | AvMAX(ary) += diff; | |
93965878 | 3025 | AvFILLp(ary) += diff; |
79072805 LW |
3026 | } |
3027 | else { | |
93965878 NIS |
3028 | if (AvFILLp(ary) + diff >= AvMAX(ary)) /* oh, well */ |
3029 | av_extend(ary, AvFILLp(ary) + diff); | |
3030 | AvFILLp(ary) += diff; | |
a0d0e21e LW |
3031 | |
3032 | if (after) { | |
93965878 | 3033 | dst = AvARRAY(ary) + AvFILLp(ary); |
a0d0e21e LW |
3034 | src = dst - diff; |
3035 | for (i = after; i; i--) { | |
3036 | *dst-- = *src--; | |
3037 | } | |
79072805 LW |
3038 | } |
3039 | } | |
a0d0e21e LW |
3040 | } |
3041 | ||
3042 | for (src = MARK, dst = AvARRAY(ary) + offset; newlen; newlen--) { | |
3043 | *dst = NEWSV(46, 0); | |
3044 | sv_setsv(*dst++, *src++); | |
3045 | } | |
3046 | MARK = ORIGMARK + 1; | |
3047 | if (GIMME == G_ARRAY) { /* copy return vals to stack */ | |
3048 | if (length) { | |
3049 | Copy(tmparyval, MARK, length, SV*); | |
3050 | if (AvREAL(ary)) { | |
bbce6d69 | 3051 | EXTEND_MORTAL(length); |
36477c24 | 3052 | for (i = length, dst = MARK; i; i--) { |
d689ffdd | 3053 | sv_2mortal(*dst); /* free them eventualy */ |
36477c24 | 3054 | dst++; |
3055 | } | |
79072805 | 3056 | } |
a0d0e21e | 3057 | Safefree(tmparyval); |
79072805 | 3058 | } |
a0d0e21e LW |
3059 | MARK += length - 1; |
3060 | } | |
3061 | else if (length--) { | |
3062 | *MARK = tmparyval[length]; | |
3063 | if (AvREAL(ary)) { | |
d689ffdd | 3064 | sv_2mortal(*MARK); |
a0d0e21e LW |
3065 | while (length-- > 0) |
3066 | SvREFCNT_dec(tmparyval[length]); | |
79072805 | 3067 | } |
a0d0e21e | 3068 | Safefree(tmparyval); |
79072805 | 3069 | } |
a0d0e21e | 3070 | else |
3280af22 | 3071 | *MARK = &PL_sv_undef; |
79072805 | 3072 | } |
a0d0e21e | 3073 | SP = MARK; |
79072805 LW |
3074 | RETURN; |
3075 | } | |
3076 | ||
a0d0e21e | 3077 | PP(pp_push) |
79072805 | 3078 | { |
4e35701f | 3079 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 3080 | register AV *ary = (AV*)*++MARK; |
3280af22 | 3081 | register SV *sv = &PL_sv_undef; |
93965878 | 3082 | MAGIC *mg; |
79072805 | 3083 | |
33c27489 GS |
3084 | if (mg = SvTIED_mg((SV*)ary, 'P')) { |
3085 | *MARK-- = SvTIED_obj((SV*)ary, mg); | |
93965878 NIS |
3086 | PUSHMARK(MARK); |
3087 | PUTBACK; | |
a60c0954 | 3088 | ENTER; |
864dbfa3 | 3089 | call_method("PUSH",G_SCALAR|G_DISCARD); |
a60c0954 | 3090 | LEAVE; |
93965878 | 3091 | SPAGAIN; |
93965878 | 3092 | } |
a60c0954 NIS |
3093 | else { |
3094 | /* Why no pre-extend of ary here ? */ | |
3095 | for (++MARK; MARK <= SP; MARK++) { | |
3096 | sv = NEWSV(51, 0); | |
3097 | if (*MARK) | |
3098 | sv_setsv(sv, *MARK); | |
3099 | av_push(ary, sv); | |
3100 | } | |
79072805 LW |
3101 | } |
3102 | SP = ORIGMARK; | |
a0d0e21e | 3103 | PUSHi( AvFILL(ary) + 1 ); |
79072805 LW |
3104 | RETURN; |
3105 | } | |
3106 | ||
a0d0e21e | 3107 | PP(pp_pop) |
79072805 | 3108 | { |
4e35701f | 3109 | djSP; |
a0d0e21e LW |
3110 | AV *av = (AV*)POPs; |
3111 | SV *sv = av_pop(av); | |
d689ffdd | 3112 | if (AvREAL(av)) |
a0d0e21e LW |
3113 | (void)sv_2mortal(sv); |
3114 | PUSHs(sv); | |
79072805 | 3115 | RETURN; |
79072805 LW |
3116 | } |
3117 | ||
a0d0e21e | 3118 | PP(pp_shift) |
79072805 | 3119 | { |
4e35701f | 3120 | djSP; |
a0d0e21e LW |
3121 | AV *av = (AV*)POPs; |
3122 | SV *sv = av_shift(av); | |
79072805 | 3123 | EXTEND(SP, 1); |
a0d0e21e | 3124 | if (!sv) |
79072805 | 3125 | RETPUSHUNDEF; |
d689ffdd | 3126 | if (AvREAL(av)) |
a0d0e21e LW |
3127 | (void)sv_2mortal(sv); |
3128 | PUSHs(sv); | |
79072805 | 3129 | RETURN; |
79072805 LW |
3130 | } |
3131 | ||
a0d0e21e | 3132 | PP(pp_unshift) |
79072805 | 3133 | { |
4e35701f | 3134 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
3135 | register AV *ary = (AV*)*++MARK; |
3136 | register SV *sv; | |
3137 | register I32 i = 0; | |
93965878 NIS |
3138 | MAGIC *mg; |
3139 | ||
33c27489 GS |
3140 | if (mg = SvTIED_mg((SV*)ary, 'P')) { |
3141 | *MARK-- = SvTIED_obj((SV*)ary, mg); | |
7fd66d9d | 3142 | PUSHMARK(MARK); |
93965878 | 3143 | PUTBACK; |
a60c0954 | 3144 | ENTER; |
864dbfa3 | 3145 | call_method("UNSHIFT",G_SCALAR|G_DISCARD); |
a60c0954 | 3146 | LEAVE; |
93965878 | 3147 | SPAGAIN; |
93965878 | 3148 | } |
a60c0954 NIS |
3149 | else { |
3150 | av_unshift(ary, SP - MARK); | |
3151 | while (MARK < SP) { | |
3152 | sv = NEWSV(27, 0); | |
3153 | sv_setsv(sv, *++MARK); | |
3154 | (void)av_store(ary, i++, sv); | |
3155 | } | |
79072805 | 3156 | } |
a0d0e21e LW |
3157 | SP = ORIGMARK; |
3158 | PUSHi( AvFILL(ary) + 1 ); | |
79072805 | 3159 | RETURN; |
79072805 LW |
3160 | } |
3161 | ||
a0d0e21e | 3162 | PP(pp_reverse) |
79072805 | 3163 | { |
4e35701f | 3164 | djSP; dMARK; |
a0d0e21e LW |
3165 | register SV *tmp; |
3166 | SV **oldsp = SP; | |
79072805 | 3167 | |
a0d0e21e LW |
3168 | if (GIMME == G_ARRAY) { |
3169 | MARK++; | |
3170 | while (MARK < SP) { | |
3171 | tmp = *MARK; | |
3172 | *MARK++ = *SP; | |
3173 | *SP-- = tmp; | |
3174 | } | |
dd58a1ab | 3175 | /* safe as long as stack cannot get extended in the above */ |
a0d0e21e | 3176 | SP = oldsp; |
79072805 LW |
3177 | } |
3178 | else { | |
a0d0e21e LW |
3179 | register char *up; |
3180 | register char *down; | |
3181 | register I32 tmp; | |
3182 | dTARGET; | |
3183 | STRLEN len; | |
79072805 | 3184 | |
7e2040f0 | 3185 | SvUTF8_off(TARG); /* decontaminate */ |
a0d0e21e | 3186 | if (SP - MARK > 1) |
3280af22 | 3187 | do_join(TARG, &PL_sv_no, MARK, SP); |
a0d0e21e | 3188 | else |
54b9620d | 3189 | sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV); |
a0d0e21e LW |
3190 | up = SvPV_force(TARG, len); |
3191 | if (len > 1) { | |
7e2040f0 | 3192 | if (DO_UTF8(TARG)) { /* first reverse each character */ |
dfe13c55 GS |
3193 | U8* s = (U8*)SvPVX(TARG); |
3194 | U8* send = (U8*)(s + len); | |
a0ed51b3 LW |
3195 | while (s < send) { |
3196 | if (*s < 0x80) { | |
3197 | s++; | |
3198 | continue; | |
3199 | } | |
3200 | else { | |
dfe13c55 | 3201 | up = (char*)s; |
a0ed51b3 | 3202 | s += UTF8SKIP(s); |
dfe13c55 | 3203 | down = (char*)(s - 1); |
f248d071 GS |
3204 | if (s > send || !((*down & 0xc0) == 0x80)) { |
3205 | if (ckWARN_d(WARN_UTF8)) | |
3206 | Perl_warner(aTHX_ WARN_UTF8, | |
3207 | "Malformed UTF-8 character"); | |
a0ed51b3 LW |
3208 | break; |
3209 | } | |
3210 | while (down > up) { | |
3211 | tmp = *up; | |
3212 | *up++ = *down; | |
3213 | *down-- = tmp; | |
3214 | } | |
3215 | } | |
3216 | } | |
3217 | up = SvPVX(TARG); | |
3218 | } | |
a0d0e21e LW |
3219 | down = SvPVX(TARG) + len - 1; |
3220 | while (down > up) { | |
3221 | tmp = *up; | |
3222 | *up++ = *down; | |
3223 | *down-- = tmp; | |
3224 | } | |
3225 | (void)SvPOK_only(TARG); | |
79072805 | 3226 | } |
a0d0e21e LW |
3227 | SP = MARK + 1; |
3228 | SETTARG; | |
79072805 | 3229 | } |
a0d0e21e | 3230 | RETURN; |
79072805 LW |
3231 | } |
3232 | ||
864dbfa3 | 3233 | STATIC SV * |
cea2e8a9 | 3234 | S_mul128(pTHX_ SV *sv, U8 m) |
55497cff | 3235 | { |
3236 | STRLEN len; | |
3237 | char *s = SvPV(sv, len); | |
3238 | char *t; | |
3239 | U32 i = 0; | |
3240 | ||
3241 | if (!strnEQ(s, "0000", 4)) { /* need to grow sv */ | |
79cb57f6 | 3242 | SV *tmpNew = newSVpvn("0000000000", 10); |
55497cff | 3243 | |
09b7f37c | 3244 | sv_catsv(tmpNew, sv); |
55497cff | 3245 | SvREFCNT_dec(sv); /* free old sv */ |
09b7f37c | 3246 | sv = tmpNew; |
55497cff | 3247 | s = SvPV(sv, len); |
3248 | } | |
3249 | t = s + len - 1; | |
3250 | while (!*t) /* trailing '\0'? */ | |
3251 | t--; | |
3252 | while (t > s) { | |
3253 | i = ((*t - '0') << 7) + m; | |
3254 | *(t--) = '0' + (i % 10); | |
3255 | m = i / 10; | |
3256 | } | |
3257 | return (sv); | |
3258 | } | |
3259 | ||
a0d0e21e LW |
3260 | /* Explosives and implosives. */ |
3261 | ||
9d116dd7 JH |
3262 | #if 'I' == 73 && 'J' == 74 |
3263 | /* On an ASCII/ISO kind of system */ | |
ba1ac976 | 3264 | #define ISUUCHAR(ch) ((ch) >= ' ' && (ch) < 'a') |
9d116dd7 JH |
3265 | #else |
3266 | /* | |
3267 | Some other sort of character set - use memchr() so we don't match | |
3268 | the null byte. | |
3269 | */ | |
80252599 | 3270 | #define ISUUCHAR(ch) (memchr(PL_uuemap, (ch), sizeof(PL_uuemap)-1) || (ch) == ' ') |
9d116dd7 JH |
3271 | #endif |
3272 | ||
a0d0e21e | 3273 | PP(pp_unpack) |
79072805 | 3274 | { |
4e35701f | 3275 | djSP; |
a0d0e21e | 3276 | dPOPPOPssrl; |
dd58a1ab | 3277 | I32 start_sp_offset = SP - PL_stack_base; |
54310121 | 3278 | I32 gimme = GIMME_V; |
ed6116ce | 3279 | SV *sv; |
a0d0e21e LW |
3280 | STRLEN llen; |
3281 | STRLEN rlen; | |
3282 | register char *pat = SvPV(left, llen); | |
3283 | register char *s = SvPV(right, rlen); | |
3284 | char *strend = s + rlen; | |
3285 | char *strbeg = s; | |
3286 | register char *patend = pat + llen; | |
3287 | I32 datumtype; | |
3288 | register I32 len; | |
3289 | register I32 bits; | |
abdc5761 | 3290 | register char *str; |
79072805 | 3291 | |
a0d0e21e LW |
3292 | /* These must not be in registers: */ |
3293 | I16 ashort; | |
3294 | int aint; | |
3295 | I32 along; | |
6b8eaf93 | 3296 | #ifdef HAS_QUAD |
ecfc5424 | 3297 | Quad_t aquad; |
a0d0e21e LW |
3298 | #endif |
3299 | U16 aushort; | |
3300 | unsigned int auint; | |
3301 | U32 aulong; | |
6b8eaf93 | 3302 | #ifdef HAS_QUAD |
e862df63 | 3303 | Uquad_t auquad; |
a0d0e21e LW |
3304 | #endif |
3305 | char *aptr; | |
3306 | float afloat; | |
3307 | double adouble; | |
3308 | I32 checksum = 0; | |
3309 | register U32 culong; | |
65202027 | 3310 | NV cdouble; |
fb73857a | 3311 | int commas = 0; |
4b5b2118 | 3312 | int star; |
726ea183 | 3313 | #ifdef PERL_NATINT_PACK |
ef54e1a4 JH |
3314 | int natint; /* native integer */ |
3315 | int unatint; /* unsigned native integer */ | |
726ea183 | 3316 | #endif |
79072805 | 3317 | |
54310121 | 3318 | if (gimme != G_ARRAY) { /* arrange to do first one only */ |
a0d0e21e LW |
3319 | /*SUPPRESS 530*/ |
3320 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; | |
5a929a98 | 3321 | if (strchr("aAZbBhHP", *patend) || *pat == '%') { |
a0d0e21e LW |
3322 | patend++; |
3323 | while (isDIGIT(*patend) || *patend == '*') | |
3324 | patend++; | |
3325 | } | |
3326 | else | |
3327 | patend++; | |
79072805 | 3328 | } |
a0d0e21e LW |
3329 | while (pat < patend) { |
3330 | reparse: | |
bbdab043 | 3331 | datumtype = *pat++ & 0xFF; |
726ea183 | 3332 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 3333 | natint = 0; |
726ea183 | 3334 | #endif |
bbdab043 CS |
3335 | if (isSPACE(datumtype)) |
3336 | continue; | |
17f4a12d IZ |
3337 | if (datumtype == '#') { |
3338 | while (pat < patend && *pat != '\n') | |
3339 | pat++; | |
3340 | continue; | |
3341 | } | |
f61d411c | 3342 | if (*pat == '!') { |
ef54e1a4 JH |
3343 | char *natstr = "sSiIlL"; |
3344 | ||
3345 | if (strchr(natstr, datumtype)) { | |
726ea183 | 3346 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 3347 | natint = 1; |
726ea183 | 3348 | #endif |
ef54e1a4 JH |
3349 | pat++; |
3350 | } | |
3351 | else | |
d470f89e | 3352 | DIE(aTHX_ "'!' allowed only after types %s", natstr); |
ef54e1a4 | 3353 | } |
4b5b2118 | 3354 | star = 0; |
a0d0e21e LW |
3355 | if (pat >= patend) |
3356 | len = 1; | |
3357 | else if (*pat == '*') { | |
3358 | len = strend - strbeg; /* long enough */ | |
3359 | pat++; | |
4b5b2118 | 3360 | star = 1; |
a0d0e21e LW |
3361 | } |
3362 | else if (isDIGIT(*pat)) { | |
3363 | len = *pat++ - '0'; | |
06387354 | 3364 | while (isDIGIT(*pat)) { |
a0d0e21e | 3365 | len = (len * 10) + (*pat++ - '0'); |
06387354 | 3366 | if (len < 0) |
d470f89e | 3367 | DIE(aTHX_ "Repeat count in unpack overflows"); |
06387354 | 3368 | } |
a0d0e21e LW |
3369 | } |
3370 | else | |
3371 | len = (datumtype != '@'); | |
4b5b2118 | 3372 | redo_switch: |
a0d0e21e LW |
3373 | switch(datumtype) { |
3374 | default: | |
d470f89e | 3375 | DIE(aTHX_ "Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 3376 | case ',': /* grandfather in commas but with a warning */ |
e476b1b5 GS |
3377 | if (commas++ == 0 && ckWARN(WARN_UNPACK)) |
3378 | Perl_warner(aTHX_ WARN_UNPACK, | |
d470f89e | 3379 | "Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 3380 | break; |
a0d0e21e LW |
3381 | case '%': |
3382 | if (len == 1 && pat[-1] != '1') | |
3383 | len = 16; | |
3384 | checksum = len; | |
3385 | culong = 0; | |
3386 | cdouble = 0; | |
3387 | if (pat < patend) | |
3388 | goto reparse; | |
3389 | break; | |
3390 | case '@': | |
3391 | if (len > strend - strbeg) | |
cea2e8a9 | 3392 | DIE(aTHX_ "@ outside of string"); |
a0d0e21e LW |
3393 | s = strbeg + len; |
3394 | break; | |
3395 | case 'X': | |
3396 | if (len > s - strbeg) | |
cea2e8a9 | 3397 | DIE(aTHX_ "X outside of string"); |
a0d0e21e LW |
3398 | s -= len; |
3399 | break; | |
3400 | case 'x': | |
3401 | if (len > strend - s) | |
cea2e8a9 | 3402 | DIE(aTHX_ "x outside of string"); |
a0d0e21e LW |
3403 | s += len; |
3404 | break; | |
17f4a12d | 3405 | case '/': |
dd58a1ab | 3406 | if (start_sp_offset >= SP - PL_stack_base) |
17f4a12d | 3407 | DIE(aTHX_ "/ must follow a numeric type"); |
43192e07 IP |
3408 | datumtype = *pat++; |
3409 | if (*pat == '*') | |
3410 | pat++; /* ignore '*' for compatibility with pack */ | |
3411 | if (isDIGIT(*pat)) | |
17f4a12d | 3412 | DIE(aTHX_ "/ cannot take a count" ); |
43192e07 | 3413 | len = POPi; |
4b5b2118 GS |
3414 | star = 0; |
3415 | goto redo_switch; | |
a0d0e21e | 3416 | case 'A': |
5a929a98 | 3417 | case 'Z': |
a0d0e21e LW |
3418 | case 'a': |
3419 | if (len > strend - s) | |
3420 | len = strend - s; | |
3421 | if (checksum) | |
3422 | goto uchar_checksum; | |
3423 | sv = NEWSV(35, len); | |
3424 | sv_setpvn(sv, s, len); | |
3425 | s += len; | |
5a929a98 | 3426 | if (datumtype == 'A' || datumtype == 'Z') { |
a0d0e21e | 3427 | aptr = s; /* borrow register */ |
5a929a98 VU |
3428 | if (datumtype == 'Z') { /* 'Z' strips stuff after first null */ |
3429 | s = SvPVX(sv); | |
3430 | while (*s) | |
3431 | s++; | |
3432 | } | |
3433 | else { /* 'A' strips both nulls and spaces */ | |
3434 | s = SvPVX(sv) + len - 1; | |
3435 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) | |
3436 | s--; | |
3437 | *++s = '\0'; | |
3438 | } | |
a0d0e21e LW |
3439 | SvCUR_set(sv, s - SvPVX(sv)); |
3440 | s = aptr; /* unborrow register */ | |
3441 | } | |
3442 | XPUSHs(sv_2mortal(sv)); | |
3443 | break; | |
3444 | case 'B': | |
3445 | case 'b': | |
4b5b2118 | 3446 | if (star || len > (strend - s) * 8) |
a0d0e21e LW |
3447 | len = (strend - s) * 8; |
3448 | if (checksum) { | |
80252599 GS |
3449 | if (!PL_bitcount) { |
3450 | Newz(601, PL_bitcount, 256, char); | |
a0d0e21e | 3451 | for (bits = 1; bits < 256; bits++) { |
80252599 GS |
3452 | if (bits & 1) PL_bitcount[bits]++; |
3453 | if (bits & 2) PL_bitcount[bits]++; | |
3454 | if (bits & 4) PL_bitcount[bits]++; | |
3455 | if (bits & 8) PL_bitcount[bits]++; | |
3456 | if (bits & 16) PL_bitcount[bits]++; | |
3457 | if (bits & 32) PL_bitcount[bits]++; | |
3458 | if (bits & 64) PL_bitcount[bits]++; | |
3459 | if (bits & 128) PL_bitcount[bits]++; | |
a0d0e21e LW |
3460 | } |
3461 | } | |
3462 | while (len >= 8) { | |
80252599 | 3463 | culong += PL_bitcount[*(unsigned char*)s++]; |
a0d0e21e LW |
3464 | len -= 8; |
3465 | } | |
3466 | if (len) { | |
3467 | bits = *s; | |
3468 | if (datumtype == 'b') { | |
3469 | while (len-- > 0) { | |
3470 | if (bits & 1) culong++; | |
3471 | bits >>= 1; | |
3472 | } | |
3473 | } | |
3474 | else { | |
3475 | while (len-- > 0) { | |
3476 | if (bits & 128) culong++; | |
3477 | bits <<= 1; | |
3478 | } | |
3479 | } | |
3480 | } | |
79072805 LW |
3481 | break; |
3482 | } | |
a0d0e21e LW |
3483 | sv = NEWSV(35, len + 1); |
3484 | SvCUR_set(sv, len); | |
3485 | SvPOK_on(sv); | |
abdc5761 | 3486 | str = SvPVX(sv); |
a0d0e21e LW |
3487 | if (datumtype == 'b') { |
3488 | aint = len; | |
3489 | for (len = 0; len < aint; len++) { | |
3490 | if (len & 7) /*SUPPRESS 595*/ | |
3491 | bits >>= 1; | |
3492 | else | |
3493 | bits = *s++; | |
abdc5761 | 3494 | *str++ = '0' + (bits & 1); |
a0d0e21e LW |
3495 | } |
3496 | } | |
3497 | else { | |
3498 | aint = len; | |
3499 | for (len = 0; len < aint; len++) { | |
3500 | if (len & 7) | |
3501 | bits <<= 1; | |
3502 | else | |
3503 | bits = *s++; | |
abdc5761 | 3504 | *str++ = '0' + ((bits & 128) != 0); |
a0d0e21e LW |
3505 | } |
3506 | } | |
abdc5761 | 3507 | *str = '\0'; |
a0d0e21e LW |
3508 | XPUSHs(sv_2mortal(sv)); |
3509 | break; | |
3510 | case 'H': | |
3511 | case 'h': | |
4b5b2118 | 3512 | if (star || len > (strend - s) * 2) |
a0d0e21e LW |
3513 | len = (strend - s) * 2; |
3514 | sv = NEWSV(35, len + 1); | |
3515 | SvCUR_set(sv, len); | |
3516 | SvPOK_on(sv); | |
abdc5761 | 3517 | str = SvPVX(sv); |
a0d0e21e LW |
3518 | if (datumtype == 'h') { |
3519 | aint = len; | |
3520 | for (len = 0; len < aint; len++) { | |
3521 | if (len & 1) | |
3522 | bits >>= 4; | |
3523 | else | |
3524 | bits = *s++; | |
abdc5761 | 3525 | *str++ = PL_hexdigit[bits & 15]; |
a0d0e21e LW |
3526 | } |
3527 | } | |
3528 | else { | |
3529 | aint = len; | |
3530 | for (len = 0; len < aint; len++) { | |
3531 | if (len & 1) | |
3532 | bits <<= 4; | |
3533 | else | |
3534 | bits = *s++; | |
abdc5761 | 3535 | *str++ = PL_hexdigit[(bits >> 4) & 15]; |
a0d0e21e LW |
3536 | } |
3537 | } | |
abdc5761 | 3538 | *str = '\0'; |
a0d0e21e LW |
3539 | XPUSHs(sv_2mortal(sv)); |
3540 | break; | |
3541 | case 'c': | |
3542 | if (len > strend - s) | |
3543 | len = strend - s; | |
3544 | if (checksum) { | |
3545 | while (len-- > 0) { | |
3546 | aint = *s++; | |
3547 | if (aint >= 128) /* fake up signed chars */ | |
3548 | aint -= 256; | |
3549 | culong += aint; | |
3550 | } | |
3551 | } | |
3552 | else { | |
3553 | EXTEND(SP, len); | |
bbce6d69 | 3554 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3555 | while (len-- > 0) { |
3556 | aint = *s++; | |
3557 | if (aint >= 128) /* fake up signed chars */ | |
3558 | aint -= 256; | |
3559 | sv = NEWSV(36, 0); | |
1e422769 | 3560 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3561 | PUSHs(sv_2mortal(sv)); |
3562 | } | |
3563 | } | |
3564 | break; | |
3565 | case 'C': | |
3566 | if (len > strend - s) | |
3567 | len = strend - s; | |
3568 | if (checksum) { | |
3569 | uchar_checksum: | |
3570 | while (len-- > 0) { | |
3571 | auint = *s++ & 255; | |
3572 | culong += auint; | |
3573 | } | |
3574 | } | |
3575 | else { | |
3576 | EXTEND(SP, len); | |
bbce6d69 | 3577 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3578 | while (len-- > 0) { |
3579 | auint = *s++ & 255; | |
3580 | sv = NEWSV(37, 0); | |
1e422769 | 3581 | sv_setiv(sv, (IV)auint); |
a0d0e21e LW |
3582 | PUSHs(sv_2mortal(sv)); |
3583 | } | |
3584 | } | |
3585 | break; | |
a0ed51b3 LW |
3586 | case 'U': |
3587 | if (len > strend - s) | |
3588 | len = strend - s; | |
3589 | if (checksum) { | |
3590 | while (len-- > 0 && s < strend) { | |
dfe13c55 | 3591 | auint = utf8_to_uv((U8*)s, &along); |
a0ed51b3 | 3592 | s += along; |
32d8b6e5 | 3593 | if (checksum > 32) |
65202027 | 3594 | cdouble += (NV)auint; |
32d8b6e5 GA |
3595 | else |
3596 | culong += auint; | |
a0ed51b3 LW |
3597 | } |
3598 | } | |
3599 | else { | |
3600 | EXTEND(SP, len); | |
3601 | EXTEND_MORTAL(len); | |
3602 | while (len-- > 0 && s < strend) { | |
dfe13c55 | 3603 | auint = utf8_to_uv((U8*)s, &along); |
a0ed51b3 LW |
3604 | s += along; |
3605 | sv = NEWSV(37, 0); | |
bdeef251 | 3606 | sv_setuv(sv, (UV)auint); |
a0ed51b3 LW |
3607 | PUSHs(sv_2mortal(sv)); |
3608 | } | |
3609 | } | |
3610 | break; | |
a0d0e21e | 3611 | case 's': |
726ea183 JH |
3612 | #if SHORTSIZE == SIZE16 |
3613 | along = (strend - s) / SIZE16; | |
3614 | #else | |
ef54e1a4 | 3615 | along = (strend - s) / (natint ? sizeof(short) : SIZE16); |
726ea183 | 3616 | #endif |
a0d0e21e LW |
3617 | if (len > along) |
3618 | len = along; | |
3619 | if (checksum) { | |
726ea183 | 3620 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3621 | if (natint) { |
bf9315bb | 3622 | short ashort; |
ef54e1a4 JH |
3623 | while (len-- > 0) { |
3624 | COPYNN(s, &ashort, sizeof(short)); | |
3625 | s += sizeof(short); | |
3626 | culong += ashort; | |
3627 | ||
3628 | } | |
3629 | } | |
726ea183 JH |
3630 | else |
3631 | #endif | |
3632 | { | |
ef54e1a4 JH |
3633 | while (len-- > 0) { |
3634 | COPY16(s, &ashort); | |
c67712b2 JH |
3635 | #if SHORTSIZE > SIZE16 |
3636 | if (ashort > 32767) | |
3637 | ashort -= 65536; | |
3638 | #endif | |
ef54e1a4 JH |
3639 | s += SIZE16; |
3640 | culong += ashort; | |
3641 | } | |
a0d0e21e LW |
3642 | } |
3643 | } | |
3644 | else { | |
3645 | EXTEND(SP, len); | |
bbce6d69 | 3646 | EXTEND_MORTAL(len); |
726ea183 | 3647 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3648 | if (natint) { |
bf9315bb | 3649 | short ashort; |
ef54e1a4 JH |
3650 | while (len-- > 0) { |
3651 | COPYNN(s, &ashort, sizeof(short)); | |
3652 | s += sizeof(short); | |
3653 | sv = NEWSV(38, 0); | |
3654 | sv_setiv(sv, (IV)ashort); | |
3655 | PUSHs(sv_2mortal(sv)); | |
3656 |