Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* pp.c |
79072805 | 2 | * |
4eb8286e | 3 | * Copyright (c) 1991-1999, 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 | /* | |
41af67ec JH |
31 | * Types used in bitwise operations. |
32 | * | |
33 | * Normally we'd just use IV and UV. However, some hardware and | |
34 | * software combinations (e.g. Alpha and current OSF/1) don't have a | |
35 | * floating-point type to use for NV that has adequate bits to fully | |
36 | * hold an IV/UV. (In other words, sizeof(long) == sizeof(double).) | |
37 | * | |
38 | * It just so happens that "int" is the right size almost everywhere. | |
39 | */ | |
40 | typedef int IBW; | |
41 | typedef unsigned UBW; | |
42 | ||
43 | /* | |
44 | * Mask used after bitwise operations. | |
45 | * | |
46 | * There is at least one realm (Cray word machines) that doesn't | |
47 | * have an integral type (except char) small enough to be represented | |
48 | * in a double without loss; that is, it has no 32-bit type. | |
49 | */ | |
50 | #if LONGSIZE > 4 && defined(_CRAY) && !defined(_CRAYMPP) | |
51 | # define BW_BITS 32 | |
52 | # define BW_MASK ((1 << BW_BITS) - 1) | |
53 | # define BW_SIGN (1 << (BW_BITS - 1)) | |
54 | # define BWi(i) (((i) & BW_SIGN) ? ((i) | ~BW_MASK) : ((i) & BW_MASK)) | |
55 | # define BWu(u) ((u) & BW_MASK) | |
56 | #else | |
57 | # define BWi(i) (i) | |
58 | # define BWu(u) (u) | |
59 | #endif | |
60 | ||
61 | /* | |
96e4d5b1 | 62 | * Offset for integer pack/unpack. |
63 | * | |
64 | * On architectures where I16 and I32 aren't really 16 and 32 bits, | |
65 | * which for now are all Crays, pack and unpack have to play games. | |
66 | */ | |
67 | ||
68 | /* | |
69 | * These values are required for portability of pack() output. | |
70 | * If they're not right on your machine, then pack() and unpack() | |
71 | * wouldn't work right anyway; you'll need to apply the Cray hack. | |
72 | * (I'd like to check them with #if, but you can't use sizeof() in | |
dc45a647 MB |
73 | * the preprocessor.) --??? |
74 | */ | |
75 | /* | |
76 | The appropriate SHORTSIZE, INTSIZE, LONGSIZE, and LONGLONGSIZE | |
77 | defines are now in config.h. --Andy Dougherty April 1998 | |
96e4d5b1 | 78 | */ |
79 | #define SIZE16 2 | |
80 | #define SIZE32 4 | |
81 | ||
9851f69c JH |
82 | /* CROSSCOMPILE and MULTIARCH are going to affect pp_pack() and pp_unpack(). |
83 | --jhi Feb 1999 */ | |
84 | ||
726ea183 JH |
85 | #if SHORTSIZE != SIZE16 || LONGSIZE != SIZE32 |
86 | # define PERL_NATINT_PACK | |
87 | #endif | |
88 | ||
96e4d5b1 | 89 | #if BYTEORDER > 0xFFFF && defined(_CRAY) && !defined(_CRAYMPP) |
90 | # if BYTEORDER == 0x12345678 | |
91 | # define OFF16(p) (char*)(p) | |
92 | # define OFF32(p) (char*)(p) | |
93 | # else | |
94 | # if BYTEORDER == 0x87654321 | |
95 | # define OFF16(p) ((char*)(p) + (sizeof(U16) - SIZE16)) | |
96 | # define OFF32(p) ((char*)(p) + (sizeof(U32) - SIZE32)) | |
97 | # else | |
98 | }}}} bad cray byte order | |
99 | # endif | |
100 | # endif | |
101 | # define COPY16(s,p) (*(p) = 0, Copy(s, OFF16(p), SIZE16, char)) | |
102 | # define COPY32(s,p) (*(p) = 0, Copy(s, OFF32(p), SIZE32, char)) | |
ef54e1a4 | 103 | # define COPYNN(s,p,n) (*(p) = 0, Copy(s, (char *)(p), n, char)) |
96e4d5b1 | 104 | # define CAT16(sv,p) sv_catpvn(sv, OFF16(p), SIZE16) |
105 | # define CAT32(sv,p) sv_catpvn(sv, OFF32(p), SIZE32) | |
106 | #else | |
107 | # define COPY16(s,p) Copy(s, p, SIZE16, char) | |
108 | # define COPY32(s,p) Copy(s, p, SIZE32, char) | |
ef54e1a4 | 109 | # define COPYNN(s,p,n) Copy(s, (char *)(p), n, char) |
96e4d5b1 | 110 | # define CAT16(sv,p) sv_catpvn(sv, (char*)(p), SIZE16) |
111 | # define CAT32(sv,p) sv_catpvn(sv, (char*)(p), SIZE32) | |
112 | #endif | |
113 | ||
a0d0e21e | 114 | /* variations on pp_null */ |
79072805 | 115 | |
8ac85365 NIS |
116 | #ifdef I_UNISTD |
117 | #include <unistd.h> | |
118 | #endif | |
dfe9444c AD |
119 | |
120 | /* XXX I can't imagine anyone who doesn't have this actually _needs_ | |
121 | it, since pid_t is an integral type. | |
122 | --AD 2/20/1998 | |
123 | */ | |
124 | #ifdef NEED_GETPID_PROTO | |
125 | extern Pid_t getpid (void); | |
8ac85365 NIS |
126 | #endif |
127 | ||
93a17b20 LW |
128 | PP(pp_stub) |
129 | { | |
4e35701f | 130 | djSP; |
54310121 | 131 | if (GIMME_V == G_SCALAR) |
3280af22 | 132 | XPUSHs(&PL_sv_undef); |
93a17b20 LW |
133 | RETURN; |
134 | } | |
135 | ||
79072805 LW |
136 | PP(pp_scalar) |
137 | { | |
138 | return NORMAL; | |
139 | } | |
140 | ||
141 | /* Pushy stuff. */ | |
142 | ||
93a17b20 LW |
143 | PP(pp_padav) |
144 | { | |
4e35701f | 145 | djSP; dTARGET; |
533c011a NIS |
146 | if (PL_op->op_private & OPpLVAL_INTRO) |
147 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
85e6fe83 | 148 | EXTEND(SP, 1); |
533c011a | 149 | if (PL_op->op_flags & OPf_REF) { |
85e6fe83 | 150 | PUSHs(TARG); |
93a17b20 | 151 | RETURN; |
85e6fe83 LW |
152 | } |
153 | if (GIMME == G_ARRAY) { | |
154 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
155 | EXTEND(SP, maxarg); | |
93965878 NIS |
156 | if (SvMAGICAL(TARG)) { |
157 | U32 i; | |
158 | for (i=0; i < maxarg; i++) { | |
159 | SV **svp = av_fetch((AV*)TARG, i, FALSE); | |
3280af22 | 160 | SP[i+1] = (svp) ? *svp : &PL_sv_undef; |
93965878 NIS |
161 | } |
162 | } | |
163 | else { | |
164 | Copy(AvARRAY((AV*)TARG), SP+1, maxarg, SV*); | |
165 | } | |
85e6fe83 LW |
166 | SP += maxarg; |
167 | } | |
168 | else { | |
169 | SV* sv = sv_newmortal(); | |
170 | I32 maxarg = AvFILL((AV*)TARG) + 1; | |
171 | sv_setiv(sv, maxarg); | |
172 | PUSHs(sv); | |
173 | } | |
174 | RETURN; | |
93a17b20 LW |
175 | } |
176 | ||
177 | PP(pp_padhv) | |
178 | { | |
4e35701f | 179 | djSP; dTARGET; |
54310121 | 180 | I32 gimme; |
181 | ||
93a17b20 | 182 | XPUSHs(TARG); |
533c011a NIS |
183 | if (PL_op->op_private & OPpLVAL_INTRO) |
184 | SAVECLEARSV(PL_curpad[PL_op->op_targ]); | |
185 | if (PL_op->op_flags & OPf_REF) | |
93a17b20 | 186 | RETURN; |
54310121 | 187 | gimme = GIMME_V; |
188 | if (gimme == G_ARRAY) { | |
cea2e8a9 | 189 | RETURNOP(do_kv()); |
85e6fe83 | 190 | } |
54310121 | 191 | else if (gimme == G_SCALAR) { |
85e6fe83 | 192 | SV* sv = sv_newmortal(); |
46fc3d4c | 193 | if (HvFILL((HV*)TARG)) |
cea2e8a9 | 194 | Perl_sv_setpvf(aTHX_ sv, "%ld/%ld", |
46fc3d4c | 195 | (long)HvFILL((HV*)TARG), (long)HvMAX((HV*)TARG) + 1); |
85e6fe83 LW |
196 | else |
197 | sv_setiv(sv, 0); | |
198 | SETs(sv); | |
85e6fe83 | 199 | } |
54310121 | 200 | RETURN; |
93a17b20 LW |
201 | } |
202 | ||
ed6116ce LW |
203 | PP(pp_padany) |
204 | { | |
cea2e8a9 | 205 | DIE(aTHX_ "NOT IMPL LINE %d",__LINE__); |
ed6116ce LW |
206 | } |
207 | ||
79072805 LW |
208 | /* Translations. */ |
209 | ||
210 | PP(pp_rv2gv) | |
211 | { | |
853846ea | 212 | djSP; dTOPss; |
8ec5e241 | 213 | |
ed6116ce | 214 | if (SvROK(sv)) { |
a0d0e21e | 215 | wasref: |
f5284f61 IZ |
216 | tryAMAGICunDEREF(to_gv); |
217 | ||
ed6116ce | 218 | sv = SvRV(sv); |
b1dadf13 | 219 | if (SvTYPE(sv) == SVt_PVIO) { |
220 | GV *gv = (GV*) sv_newmortal(); | |
221 | gv_init(gv, 0, "", 0, 0); | |
222 | GvIOp(gv) = (IO *)sv; | |
3e3baf6d | 223 | (void)SvREFCNT_inc(sv); |
b1dadf13 | 224 | sv = (SV*) gv; |
ef54e1a4 JH |
225 | } |
226 | else if (SvTYPE(sv) != SVt_PVGV) | |
cea2e8a9 | 227 | DIE(aTHX_ "Not a GLOB reference"); |
79072805 LW |
228 | } |
229 | else { | |
93a17b20 | 230 | if (SvTYPE(sv) != SVt_PVGV) { |
748a9306 | 231 | char *sym; |
2d8e6c8d | 232 | STRLEN n_a; |
748a9306 | 233 | |
a0d0e21e LW |
234 | if (SvGMAGICAL(sv)) { |
235 | mg_get(sv); | |
236 | if (SvROK(sv)) | |
237 | goto wasref; | |
238 | } | |
239 | if (!SvOK(sv)) { | |
853846ea NIS |
240 | /* If this is a 'my' scalar and flag is set then vivify |
241 | * NI-S 1999/05/07 | |
242 | */ | |
1d8d4d2a | 243 | if (PL_op->op_private & OPpDEREF) { |
853846ea | 244 | GV *gv = (GV *) newSV(0); |
1d8d4d2a NIS |
245 | STRLEN len = 0; |
246 | char *name = ""; | |
247 | if (cUNOP->op_first->op_type == OP_PADSV) { | |
248 | SV *padname = *av_fetch(PL_comppad_name, cUNOP->op_first->op_targ, 4); | |
249 | name = SvPV(padname,len); | |
250 | } | |
853846ea NIS |
251 | gv_init(gv, PL_curcop->cop_stash, name, len, 0); |
252 | sv_upgrade(sv, SVt_RV); | |
253 | SvRV(sv) = (SV *) gv; | |
254 | SvROK_on(sv); | |
1d8d4d2a | 255 | SvSETMAGIC(sv); |
853846ea NIS |
256 | goto wasref; |
257 | } | |
533c011a NIS |
258 | if (PL_op->op_flags & OPf_REF || |
259 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 260 | DIE(aTHX_ PL_no_usym, "a symbol"); |
599cee73 | 261 | if (ckWARN(WARN_UNINITIALIZED)) |
cea2e8a9 | 262 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); |
a0d0e21e LW |
263 | RETSETUNDEF; |
264 | } | |
2d8e6c8d | 265 | sym = SvPV(sv, n_a); |
35cd451c GS |
266 | if ((PL_op->op_flags & OPf_SPECIAL) && |
267 | !(PL_op->op_flags & OPf_MOD)) | |
268 | { | |
269 | sv = (SV*)gv_fetchpv(sym, FALSE, SVt_PVGV); | |
270 | if (!sv) | |
271 | RETSETUNDEF; | |
272 | } | |
273 | else { | |
274 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 275 | DIE(aTHX_ PL_no_symref, sym, "a symbol"); |
35cd451c GS |
276 | sv = (SV*)gv_fetchpv(sym, TRUE, SVt_PVGV); |
277 | } | |
93a17b20 | 278 | } |
79072805 | 279 | } |
533c011a NIS |
280 | if (PL_op->op_private & OPpLVAL_INTRO) |
281 | save_gp((GV*)sv, !(PL_op->op_flags & OPf_SPECIAL)); | |
79072805 LW |
282 | SETs(sv); |
283 | RETURN; | |
284 | } | |
285 | ||
79072805 LW |
286 | PP(pp_rv2sv) |
287 | { | |
4e35701f | 288 | djSP; dTOPss; |
79072805 | 289 | |
ed6116ce | 290 | if (SvROK(sv)) { |
a0d0e21e | 291 | wasref: |
f5284f61 IZ |
292 | tryAMAGICunDEREF(to_sv); |
293 | ||
ed6116ce | 294 | sv = SvRV(sv); |
79072805 LW |
295 | switch (SvTYPE(sv)) { |
296 | case SVt_PVAV: | |
297 | case SVt_PVHV: | |
298 | case SVt_PVCV: | |
cea2e8a9 | 299 | DIE(aTHX_ "Not a SCALAR reference"); |
79072805 LW |
300 | } |
301 | } | |
302 | else { | |
f12c7020 | 303 | GV *gv = (GV*)sv; |
748a9306 | 304 | char *sym; |
2d8e6c8d | 305 | STRLEN n_a; |
748a9306 | 306 | |
463ee0b2 | 307 | if (SvTYPE(gv) != SVt_PVGV) { |
a0d0e21e LW |
308 | if (SvGMAGICAL(sv)) { |
309 | mg_get(sv); | |
310 | if (SvROK(sv)) | |
311 | goto wasref; | |
312 | } | |
313 | if (!SvOK(sv)) { | |
533c011a NIS |
314 | if (PL_op->op_flags & OPf_REF || |
315 | PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 316 | DIE(aTHX_ PL_no_usym, "a SCALAR"); |
599cee73 | 317 | if (ckWARN(WARN_UNINITIALIZED)) |
cea2e8a9 | 318 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); |
a0d0e21e LW |
319 | RETSETUNDEF; |
320 | } | |
2d8e6c8d | 321 | sym = SvPV(sv, n_a); |
35cd451c GS |
322 | if ((PL_op->op_flags & OPf_SPECIAL) && |
323 | !(PL_op->op_flags & OPf_MOD)) | |
324 | { | |
325 | gv = (GV*)gv_fetchpv(sym, FALSE, SVt_PV); | |
326 | if (!gv) | |
327 | RETSETUNDEF; | |
328 | } | |
329 | else { | |
330 | if (PL_op->op_private & HINT_STRICT_REFS) | |
cea2e8a9 | 331 | DIE(aTHX_ PL_no_symref, sym, "a SCALAR"); |
35cd451c GS |
332 | gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PV); |
333 | } | |
463ee0b2 LW |
334 | } |
335 | sv = GvSV(gv); | |
a0d0e21e | 336 | } |
533c011a NIS |
337 | if (PL_op->op_flags & OPf_MOD) { |
338 | if (PL_op->op_private & OPpLVAL_INTRO) | |
a0d0e21e | 339 | sv = save_scalar((GV*)TOPs); |
533c011a NIS |
340 | else if (PL_op->op_private & OPpDEREF) |
341 | vivify_ref(sv, PL_op->op_private & OPpDEREF); | |
79072805 | 342 | } |
a0d0e21e | 343 | SETs(sv); |
79072805 LW |
344 | RETURN; |
345 | } | |
346 | ||
347 | PP(pp_av2arylen) | |
348 | { | |
4e35701f | 349 | djSP; |
79072805 LW |
350 | AV *av = (AV*)TOPs; |
351 | SV *sv = AvARYLEN(av); | |
352 | if (!sv) { | |
353 | AvARYLEN(av) = sv = NEWSV(0,0); | |
354 | sv_upgrade(sv, SVt_IV); | |
355 | sv_magic(sv, (SV*)av, '#', Nullch, 0); | |
356 | } | |
357 | SETs(sv); | |
358 | RETURN; | |
359 | } | |
360 | ||
a0d0e21e LW |
361 | PP(pp_pos) |
362 | { | |
4e35701f | 363 | djSP; dTARGET; dPOPss; |
8ec5e241 | 364 | |
533c011a | 365 | if (PL_op->op_flags & OPf_MOD) { |
5f05dabc | 366 | if (SvTYPE(TARG) < SVt_PVLV) { |
367 | sv_upgrade(TARG, SVt_PVLV); | |
368 | sv_magic(TARG, Nullsv, '.', Nullch, 0); | |
369 | } | |
370 | ||
371 | LvTYPE(TARG) = '.'; | |
6ff81951 GS |
372 | if (LvTARG(TARG) != sv) { |
373 | if (LvTARG(TARG)) | |
374 | SvREFCNT_dec(LvTARG(TARG)); | |
375 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
376 | } | |
a0d0e21e LW |
377 | PUSHs(TARG); /* no SvSETMAGIC */ |
378 | RETURN; | |
379 | } | |
380 | else { | |
8ec5e241 | 381 | MAGIC* mg; |
a0d0e21e LW |
382 | |
383 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { | |
384 | mg = mg_find(sv, 'g'); | |
565764a8 | 385 | if (mg && mg->mg_len >= 0) { |
a0ed51b3 LW |
386 | I32 i = mg->mg_len; |
387 | if (IN_UTF8) | |
388 | sv_pos_b2u(sv, &i); | |
389 | PUSHi(i + PL_curcop->cop_arybase); | |
a0d0e21e LW |
390 | RETURN; |
391 | } | |
392 | } | |
393 | RETPUSHUNDEF; | |
394 | } | |
395 | } | |
396 | ||
79072805 LW |
397 | PP(pp_rv2cv) |
398 | { | |
4e35701f | 399 | djSP; |
79072805 LW |
400 | GV *gv; |
401 | HV *stash; | |
8990e307 | 402 | |
4633a7c4 LW |
403 | /* We usually try to add a non-existent subroutine in case of AUTOLOAD. */ |
404 | /* (But not in defined().) */ | |
533c011a | 405 | CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL)); |
07055b4c CS |
406 | if (cv) { |
407 | if (CvCLONE(cv)) | |
408 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
409 | } | |
410 | else | |
3280af22 | 411 | cv = (CV*)&PL_sv_undef; |
79072805 LW |
412 | SETs((SV*)cv); |
413 | RETURN; | |
414 | } | |
415 | ||
c07a80fd | 416 | PP(pp_prototype) |
417 | { | |
4e35701f | 418 | djSP; |
c07a80fd | 419 | CV *cv; |
420 | HV *stash; | |
421 | GV *gv; | |
422 | SV *ret; | |
423 | ||
3280af22 | 424 | ret = &PL_sv_undef; |
b6c543e3 IZ |
425 | if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) { |
426 | char *s = SvPVX(TOPs); | |
427 | if (strnEQ(s, "CORE::", 6)) { | |
428 | int code; | |
429 | ||
430 | code = keyword(s + 6, SvCUR(TOPs) - 6); | |
431 | if (code < 0) { /* Overridable. */ | |
432 | #define MAX_ARGS_OP ((sizeof(I32) - 1) * 2) | |
433 | int i = 0, n = 0, seen_question = 0; | |
434 | I32 oa; | |
435 | char str[ MAX_ARGS_OP * 2 + 2 ]; /* One ';', one '\0' */ | |
436 | ||
437 | while (i < MAXO) { /* The slow way. */ | |
22c35a8c GS |
438 | if (strEQ(s + 6, PL_op_name[i]) |
439 | || strEQ(s + 6, PL_op_desc[i])) | |
440 | { | |
b6c543e3 | 441 | goto found; |
22c35a8c | 442 | } |
b6c543e3 IZ |
443 | i++; |
444 | } | |
445 | goto nonesuch; /* Should not happen... */ | |
446 | found: | |
22c35a8c | 447 | oa = PL_opargs[i] >> OASHIFT; |
b6c543e3 IZ |
448 | while (oa) { |
449 | if (oa & OA_OPTIONAL) { | |
450 | seen_question = 1; | |
451 | str[n++] = ';'; | |
ef54e1a4 JH |
452 | } |
453 | else if (seen_question) | |
b6c543e3 IZ |
454 | goto set; /* XXXX system, exec */ |
455 | if ((oa & (OA_OPTIONAL - 1)) >= OA_AVREF | |
456 | && (oa & (OA_OPTIONAL - 1)) <= OA_HVREF) { | |
457 | str[n++] = '\\'; | |
458 | } | |
459 | /* What to do with R ((un)tie, tied, (sys)read, recv)? */ | |
460 | str[n++] = ("?$@@%&*$")[oa & (OA_OPTIONAL - 1)]; | |
461 | oa = oa >> 4; | |
462 | } | |
463 | str[n++] = '\0'; | |
79cb57f6 | 464 | ret = sv_2mortal(newSVpvn(str, n - 1)); |
ef54e1a4 JH |
465 | } |
466 | else if (code) /* Non-Overridable */ | |
b6c543e3 IZ |
467 | goto set; |
468 | else { /* None such */ | |
469 | nonesuch: | |
cea2e8a9 | 470 | Perl_croak(aTHX_ "Can't find an opnumber for \"%s\"", s+6); |
b6c543e3 IZ |
471 | } |
472 | } | |
473 | } | |
c07a80fd | 474 | cv = sv_2cv(TOPs, &stash, &gv, FALSE); |
5f05dabc | 475 | if (cv && SvPOK(cv)) |
79cb57f6 | 476 | ret = sv_2mortal(newSVpvn(SvPVX(cv), SvCUR(cv))); |
b6c543e3 | 477 | set: |
c07a80fd | 478 | SETs(ret); |
479 | RETURN; | |
480 | } | |
481 | ||
a0d0e21e LW |
482 | PP(pp_anoncode) |
483 | { | |
4e35701f | 484 | djSP; |
533c011a | 485 | CV* cv = (CV*)PL_curpad[PL_op->op_targ]; |
a5f75d66 | 486 | if (CvCLONE(cv)) |
b355b4e0 | 487 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5f05dabc | 488 | EXTEND(SP,1); |
748a9306 | 489 | PUSHs((SV*)cv); |
a0d0e21e LW |
490 | RETURN; |
491 | } | |
492 | ||
493 | PP(pp_srefgen) | |
79072805 | 494 | { |
4e35701f | 495 | djSP; |
71be2cbc | 496 | *SP = refto(*SP); |
79072805 | 497 | RETURN; |
8ec5e241 | 498 | } |
a0d0e21e LW |
499 | |
500 | PP(pp_refgen) | |
501 | { | |
4e35701f | 502 | djSP; dMARK; |
a0d0e21e | 503 | if (GIMME != G_ARRAY) { |
5f0b1d4e GS |
504 | if (++MARK <= SP) |
505 | *MARK = *SP; | |
506 | else | |
3280af22 | 507 | *MARK = &PL_sv_undef; |
5f0b1d4e GS |
508 | *MARK = refto(*MARK); |
509 | SP = MARK; | |
510 | RETURN; | |
a0d0e21e | 511 | } |
bbce6d69 | 512 | EXTEND_MORTAL(SP - MARK); |
71be2cbc | 513 | while (++MARK <= SP) |
514 | *MARK = refto(*MARK); | |
a0d0e21e | 515 | RETURN; |
79072805 LW |
516 | } |
517 | ||
76e3520e | 518 | STATIC SV* |
cea2e8a9 | 519 | S_refto(pTHX_ SV *sv) |
71be2cbc | 520 | { |
521 | SV* rv; | |
522 | ||
523 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') { | |
524 | if (LvTARGLEN(sv)) | |
68dc0745 | 525 | vivify_defelem(sv); |
526 | if (!(sv = LvTARG(sv))) | |
3280af22 | 527 | sv = &PL_sv_undef; |
0dd88869 | 528 | else |
a6c40364 | 529 | (void)SvREFCNT_inc(sv); |
71be2cbc | 530 | } |
531 | else if (SvPADTMP(sv)) | |
532 | sv = newSVsv(sv); | |
533 | else { | |
534 | SvTEMP_off(sv); | |
535 | (void)SvREFCNT_inc(sv); | |
536 | } | |
537 | rv = sv_newmortal(); | |
538 | sv_upgrade(rv, SVt_RV); | |
539 | SvRV(rv) = sv; | |
540 | SvROK_on(rv); | |
541 | return rv; | |
542 | } | |
543 | ||
79072805 LW |
544 | PP(pp_ref) |
545 | { | |
4e35701f | 546 | djSP; dTARGET; |
463ee0b2 | 547 | SV *sv; |
79072805 LW |
548 | char *pv; |
549 | ||
a0d0e21e | 550 | sv = POPs; |
f12c7020 | 551 | |
552 | if (sv && SvGMAGICAL(sv)) | |
8ec5e241 | 553 | mg_get(sv); |
f12c7020 | 554 | |
a0d0e21e | 555 | if (!sv || !SvROK(sv)) |
4633a7c4 | 556 | RETPUSHNO; |
79072805 | 557 | |
ed6116ce | 558 | sv = SvRV(sv); |
a0d0e21e | 559 | pv = sv_reftype(sv,TRUE); |
463ee0b2 | 560 | PUSHp(pv, strlen(pv)); |
79072805 LW |
561 | RETURN; |
562 | } | |
563 | ||
564 | PP(pp_bless) | |
565 | { | |
4e35701f | 566 | djSP; |
463ee0b2 | 567 | HV *stash; |
79072805 | 568 | |
463ee0b2 | 569 | if (MAXARG == 1) |
3280af22 | 570 | stash = PL_curcop->cop_stash; |
7b8d334a GS |
571 | else { |
572 | SV *ssv = POPs; | |
573 | STRLEN len; | |
574 | char *ptr = SvPV(ssv,len); | |
599cee73 | 575 | if (ckWARN(WARN_UNSAFE) && len == 0) |
cea2e8a9 | 576 | Perl_warner(aTHX_ WARN_UNSAFE, |
599cee73 | 577 | "Explicit blessing to '' (assuming package main)"); |
7b8d334a GS |
578 | stash = gv_stashpvn(ptr, len, TRUE); |
579 | } | |
a0d0e21e | 580 | |
5d3fdfeb | 581 | (void)sv_bless(TOPs, stash); |
79072805 LW |
582 | RETURN; |
583 | } | |
584 | ||
fb73857a | 585 | PP(pp_gelem) |
586 | { | |
587 | GV *gv; | |
588 | SV *sv; | |
76e3520e | 589 | SV *tmpRef; |
fb73857a | 590 | char *elem; |
4e35701f | 591 | djSP; |
2d8e6c8d GS |
592 | STRLEN n_a; |
593 | ||
fb73857a | 594 | sv = POPs; |
2d8e6c8d | 595 | elem = SvPV(sv, n_a); |
fb73857a | 596 | gv = (GV*)POPs; |
76e3520e | 597 | tmpRef = Nullsv; |
fb73857a | 598 | sv = Nullsv; |
599 | switch (elem ? *elem : '\0') | |
600 | { | |
601 | case 'A': | |
602 | if (strEQ(elem, "ARRAY")) | |
76e3520e | 603 | tmpRef = (SV*)GvAV(gv); |
fb73857a | 604 | break; |
605 | case 'C': | |
606 | if (strEQ(elem, "CODE")) | |
76e3520e | 607 | tmpRef = (SV*)GvCVu(gv); |
fb73857a | 608 | break; |
609 | case 'F': | |
610 | if (strEQ(elem, "FILEHANDLE")) /* XXX deprecate in 5.005 */ | |
76e3520e | 611 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 612 | break; |
613 | case 'G': | |
614 | if (strEQ(elem, "GLOB")) | |
76e3520e | 615 | tmpRef = (SV*)gv; |
fb73857a | 616 | break; |
617 | case 'H': | |
618 | if (strEQ(elem, "HASH")) | |
76e3520e | 619 | tmpRef = (SV*)GvHV(gv); |
fb73857a | 620 | break; |
621 | case 'I': | |
622 | if (strEQ(elem, "IO")) | |
76e3520e | 623 | tmpRef = (SV*)GvIOp(gv); |
fb73857a | 624 | break; |
625 | case 'N': | |
626 | if (strEQ(elem, "NAME")) | |
79cb57f6 | 627 | sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv)); |
fb73857a | 628 | break; |
629 | case 'P': | |
630 | if (strEQ(elem, "PACKAGE")) | |
631 | sv = newSVpv(HvNAME(GvSTASH(gv)), 0); | |
632 | break; | |
633 | case 'S': | |
634 | if (strEQ(elem, "SCALAR")) | |
76e3520e | 635 | tmpRef = GvSV(gv); |
fb73857a | 636 | break; |
637 | } | |
76e3520e GS |
638 | if (tmpRef) |
639 | sv = newRV(tmpRef); | |
fb73857a | 640 | if (sv) |
641 | sv_2mortal(sv); | |
642 | else | |
3280af22 | 643 | sv = &PL_sv_undef; |
fb73857a | 644 | XPUSHs(sv); |
645 | RETURN; | |
646 | } | |
647 | ||
a0d0e21e | 648 | /* Pattern matching */ |
79072805 | 649 | |
a0d0e21e | 650 | PP(pp_study) |
79072805 | 651 | { |
4e35701f | 652 | djSP; dPOPss; |
a0d0e21e LW |
653 | register unsigned char *s; |
654 | register I32 pos; | |
655 | register I32 ch; | |
656 | register I32 *sfirst; | |
657 | register I32 *snext; | |
a0d0e21e LW |
658 | STRLEN len; |
659 | ||
3280af22 | 660 | if (sv == PL_lastscream) { |
1e422769 | 661 | if (SvSCREAM(sv)) |
662 | RETPUSHYES; | |
663 | } | |
c07a80fd | 664 | else { |
3280af22 NIS |
665 | if (PL_lastscream) { |
666 | SvSCREAM_off(PL_lastscream); | |
667 | SvREFCNT_dec(PL_lastscream); | |
c07a80fd | 668 | } |
3280af22 | 669 | PL_lastscream = SvREFCNT_inc(sv); |
c07a80fd | 670 | } |
1e422769 | 671 | |
672 | s = (unsigned char*)(SvPV(sv, len)); | |
673 | pos = len; | |
674 | if (pos <= 0) | |
675 | RETPUSHNO; | |
3280af22 NIS |
676 | if (pos > PL_maxscream) { |
677 | if (PL_maxscream < 0) { | |
678 | PL_maxscream = pos + 80; | |
679 | New(301, PL_screamfirst, 256, I32); | |
680 | New(302, PL_screamnext, PL_maxscream, I32); | |
79072805 LW |
681 | } |
682 | else { | |
3280af22 NIS |
683 | PL_maxscream = pos + pos / 4; |
684 | Renew(PL_screamnext, PL_maxscream, I32); | |
79072805 | 685 | } |
79072805 | 686 | } |
a0d0e21e | 687 | |
3280af22 NIS |
688 | sfirst = PL_screamfirst; |
689 | snext = PL_screamnext; | |
a0d0e21e LW |
690 | |
691 | if (!sfirst || !snext) | |
cea2e8a9 | 692 | DIE(aTHX_ "do_study: out of memory"); |
a0d0e21e LW |
693 | |
694 | for (ch = 256; ch; --ch) | |
695 | *sfirst++ = -1; | |
696 | sfirst -= 256; | |
697 | ||
698 | while (--pos >= 0) { | |
699 | ch = s[pos]; | |
700 | if (sfirst[ch] >= 0) | |
701 | snext[pos] = sfirst[ch] - pos; | |
702 | else | |
703 | snext[pos] = -pos; | |
704 | sfirst[ch] = pos; | |
79072805 LW |
705 | } |
706 | ||
c07a80fd | 707 | SvSCREAM_on(sv); |
464e2e8a | 708 | sv_magic(sv, Nullsv, 'g', Nullch, 0); /* piggyback on m//g magic */ |
1e422769 | 709 | RETPUSHYES; |
79072805 LW |
710 | } |
711 | ||
a0d0e21e | 712 | PP(pp_trans) |
79072805 | 713 | { |
4e35701f | 714 | djSP; dTARG; |
a0d0e21e LW |
715 | SV *sv; |
716 | ||
533c011a | 717 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e | 718 | sv = POPs; |
79072805 | 719 | else { |
54b9620d | 720 | sv = DEFSV; |
a0d0e21e | 721 | EXTEND(SP,1); |
79072805 | 722 | } |
adbc6bb1 | 723 | TARG = sv_newmortal(); |
4757a243 | 724 | PUSHi(do_trans(sv)); |
a0d0e21e | 725 | RETURN; |
79072805 LW |
726 | } |
727 | ||
a0d0e21e | 728 | /* Lvalue operators. */ |
79072805 | 729 | |
a0d0e21e LW |
730 | PP(pp_schop) |
731 | { | |
4e35701f | 732 | djSP; dTARGET; |
a0d0e21e LW |
733 | do_chop(TARG, TOPs); |
734 | SETTARG; | |
735 | RETURN; | |
79072805 LW |
736 | } |
737 | ||
a0d0e21e | 738 | PP(pp_chop) |
79072805 | 739 | { |
4e35701f | 740 | djSP; dMARK; dTARGET; |
a0d0e21e LW |
741 | while (SP > MARK) |
742 | do_chop(TARG, POPs); | |
743 | PUSHTARG; | |
744 | RETURN; | |
79072805 LW |
745 | } |
746 | ||
a0d0e21e | 747 | PP(pp_schomp) |
79072805 | 748 | { |
4e35701f | 749 | djSP; dTARGET; |
a0d0e21e LW |
750 | SETi(do_chomp(TOPs)); |
751 | RETURN; | |
79072805 LW |
752 | } |
753 | ||
a0d0e21e | 754 | PP(pp_chomp) |
79072805 | 755 | { |
4e35701f | 756 | djSP; dMARK; dTARGET; |
a0d0e21e | 757 | register I32 count = 0; |
8ec5e241 | 758 | |
a0d0e21e LW |
759 | while (SP > MARK) |
760 | count += do_chomp(POPs); | |
761 | PUSHi(count); | |
762 | RETURN; | |
79072805 LW |
763 | } |
764 | ||
a0d0e21e | 765 | PP(pp_defined) |
463ee0b2 | 766 | { |
4e35701f | 767 | djSP; |
a0d0e21e LW |
768 | register SV* sv; |
769 | ||
770 | sv = POPs; | |
771 | if (!sv || !SvANY(sv)) | |
772 | RETPUSHNO; | |
773 | switch (SvTYPE(sv)) { | |
774 | case SVt_PVAV: | |
6051dbdb | 775 | if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv,'P'))) |
a0d0e21e LW |
776 | RETPUSHYES; |
777 | break; | |
778 | case SVt_PVHV: | |
6051dbdb | 779 | if (HvARRAY(sv) || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv,'P'))) |
a0d0e21e LW |
780 | RETPUSHYES; |
781 | break; | |
782 | case SVt_PVCV: | |
783 | if (CvROOT(sv) || CvXSUB(sv)) | |
784 | RETPUSHYES; | |
785 | break; | |
786 | default: | |
787 | if (SvGMAGICAL(sv)) | |
788 | mg_get(sv); | |
789 | if (SvOK(sv)) | |
790 | RETPUSHYES; | |
791 | } | |
792 | RETPUSHNO; | |
463ee0b2 LW |
793 | } |
794 | ||
a0d0e21e LW |
795 | PP(pp_undef) |
796 | { | |
4e35701f | 797 | djSP; |
a0d0e21e LW |
798 | SV *sv; |
799 | ||
533c011a | 800 | if (!PL_op->op_private) { |
774d564b | 801 | EXTEND(SP, 1); |
a0d0e21e | 802 | RETPUSHUNDEF; |
774d564b | 803 | } |
79072805 | 804 | |
a0d0e21e LW |
805 | sv = POPs; |
806 | if (!sv) | |
807 | RETPUSHUNDEF; | |
85e6fe83 | 808 | |
6fc92669 GS |
809 | if (SvTHINKFIRST(sv)) |
810 | sv_force_normal(sv); | |
85e6fe83 | 811 | |
a0d0e21e LW |
812 | switch (SvTYPE(sv)) { |
813 | case SVt_NULL: | |
814 | break; | |
815 | case SVt_PVAV: | |
816 | av_undef((AV*)sv); | |
817 | break; | |
818 | case SVt_PVHV: | |
819 | hv_undef((HV*)sv); | |
820 | break; | |
821 | case SVt_PVCV: | |
599cee73 | 822 | if (ckWARN(WARN_UNSAFE) && cv_const_sv((CV*)sv)) |
cea2e8a9 | 823 | Perl_warner(aTHX_ WARN_UNSAFE, "Constant subroutine %s undefined", |
54310121 | 824 | CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv))); |
9607fc9c | 825 | /* FALL THROUGH */ |
826 | case SVt_PVFM: | |
6fc92669 GS |
827 | { |
828 | /* let user-undef'd sub keep its identity */ | |
829 | GV* gv = (GV*)SvREFCNT_inc(CvGV((CV*)sv)); | |
830 | cv_undef((CV*)sv); | |
831 | CvGV((CV*)sv) = gv; | |
832 | } | |
a0d0e21e | 833 | break; |
8e07c86e | 834 | case SVt_PVGV: |
44a8e56a | 835 | if (SvFAKE(sv)) |
3280af22 | 836 | SvSetMagicSV(sv, &PL_sv_undef); |
20408e3c GS |
837 | else { |
838 | GP *gp; | |
839 | gp_free((GV*)sv); | |
840 | Newz(602, gp, 1, GP); | |
841 | GvGP(sv) = gp_ref(gp); | |
842 | GvSV(sv) = NEWSV(72,0); | |
3280af22 | 843 | GvLINE(sv) = PL_curcop->cop_line; |
20408e3c GS |
844 | GvEGV(sv) = (GV*)sv; |
845 | GvMULTI_on(sv); | |
846 | } | |
44a8e56a | 847 | break; |
a0d0e21e | 848 | default: |
1e422769 | 849 | if (SvTYPE(sv) >= SVt_PV && SvPVX(sv) && SvLEN(sv)) { |
4633a7c4 LW |
850 | (void)SvOOK_off(sv); |
851 | Safefree(SvPVX(sv)); | |
852 | SvPV_set(sv, Nullch); | |
853 | SvLEN_set(sv, 0); | |
a0d0e21e | 854 | } |
4633a7c4 LW |
855 | (void)SvOK_off(sv); |
856 | SvSETMAGIC(sv); | |
79072805 | 857 | } |
a0d0e21e LW |
858 | |
859 | RETPUSHUNDEF; | |
79072805 LW |
860 | } |
861 | ||
a0d0e21e | 862 | PP(pp_predec) |
79072805 | 863 | { |
4e35701f | 864 | djSP; |
68dc0745 | 865 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
cea2e8a9 | 866 | Perl_croak(aTHX_ PL_no_modify); |
25da4f38 | 867 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 868 | SvIVX(TOPs) != IV_MIN) |
869 | { | |
748a9306 | 870 | --SvIVX(TOPs); |
55497cff | 871 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
872 | } |
873 | else | |
874 | sv_dec(TOPs); | |
a0d0e21e LW |
875 | SvSETMAGIC(TOPs); |
876 | return NORMAL; | |
877 | } | |
79072805 | 878 | |
a0d0e21e LW |
879 | PP(pp_postinc) |
880 | { | |
4e35701f | 881 | djSP; dTARGET; |
68dc0745 | 882 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
cea2e8a9 | 883 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e | 884 | sv_setsv(TARG, TOPs); |
25da4f38 | 885 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 886 | SvIVX(TOPs) != IV_MAX) |
887 | { | |
748a9306 | 888 | ++SvIVX(TOPs); |
55497cff | 889 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
890 | } |
891 | else | |
892 | sv_inc(TOPs); | |
a0d0e21e LW |
893 | SvSETMAGIC(TOPs); |
894 | if (!SvOK(TARG)) | |
895 | sv_setiv(TARG, 0); | |
896 | SETs(TARG); | |
897 | return NORMAL; | |
898 | } | |
79072805 | 899 | |
a0d0e21e LW |
900 | PP(pp_postdec) |
901 | { | |
4e35701f | 902 | djSP; dTARGET; |
43192e07 | 903 | if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV) |
cea2e8a9 | 904 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e | 905 | sv_setsv(TARG, TOPs); |
25da4f38 | 906 | if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) && |
55497cff | 907 | SvIVX(TOPs) != IV_MIN) |
908 | { | |
748a9306 | 909 | --SvIVX(TOPs); |
55497cff | 910 | SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK); |
748a9306 LW |
911 | } |
912 | else | |
913 | sv_dec(TOPs); | |
a0d0e21e LW |
914 | SvSETMAGIC(TOPs); |
915 | SETs(TARG); | |
916 | return NORMAL; | |
917 | } | |
79072805 | 918 | |
a0d0e21e LW |
919 | /* Ordinary operators. */ |
920 | ||
921 | PP(pp_pow) | |
922 | { | |
8ec5e241 | 923 | djSP; dATARGET; tryAMAGICbin(pow,opASSIGN); |
a0d0e21e LW |
924 | { |
925 | dPOPTOPnnrl; | |
926 | SETn( pow( left, right) ); | |
927 | RETURN; | |
93a17b20 | 928 | } |
a0d0e21e LW |
929 | } |
930 | ||
931 | PP(pp_multiply) | |
932 | { | |
8ec5e241 | 933 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
934 | { |
935 | dPOPTOPnnrl; | |
936 | SETn( left * right ); | |
937 | RETURN; | |
79072805 | 938 | } |
a0d0e21e LW |
939 | } |
940 | ||
941 | PP(pp_divide) | |
942 | { | |
8ec5e241 | 943 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e | 944 | { |
77676ba1 | 945 | dPOPPOPnnrl; |
65202027 | 946 | NV value; |
7a4c00b4 | 947 | if (right == 0.0) |
cea2e8a9 | 948 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
949 | #ifdef SLOPPYDIVIDE |
950 | /* insure that 20./5. == 4. */ | |
951 | { | |
7a4c00b4 | 952 | IV k; |
65202027 DS |
953 | if ((NV)I_V(left) == left && |
954 | (NV)I_V(right) == right && | |
7a4c00b4 | 955 | (k = I_V(left)/I_V(right))*I_V(right) == I_V(left)) { |
a0d0e21e | 956 | value = k; |
ef54e1a4 JH |
957 | } |
958 | else { | |
7a4c00b4 | 959 | value = left / right; |
79072805 | 960 | } |
a0d0e21e LW |
961 | } |
962 | #else | |
7a4c00b4 | 963 | value = left / right; |
a0d0e21e LW |
964 | #endif |
965 | PUSHn( value ); | |
966 | RETURN; | |
79072805 | 967 | } |
a0d0e21e LW |
968 | } |
969 | ||
970 | PP(pp_modulo) | |
971 | { | |
76e3520e | 972 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
a0d0e21e | 973 | { |
787eafbd IZ |
974 | UV left; |
975 | UV right; | |
976 | bool left_neg; | |
977 | bool right_neg; | |
978 | bool use_double = 0; | |
65202027 DS |
979 | NV dright; |
980 | NV dleft; | |
787eafbd IZ |
981 | |
982 | if (SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { | |
983 | IV i = SvIVX(POPs); | |
984 | right = (right_neg = (i < 0)) ? -i : i; | |
985 | } | |
986 | else { | |
987 | dright = POPn; | |
988 | use_double = 1; | |
989 | right_neg = dright < 0; | |
990 | if (right_neg) | |
991 | dright = -dright; | |
992 | } | |
a0d0e21e | 993 | |
787eafbd IZ |
994 | if (!use_double && SvIOK(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)) { |
995 | IV i = SvIVX(POPs); | |
996 | left = (left_neg = (i < 0)) ? -i : i; | |
997 | } | |
998 | else { | |
999 | dleft = POPn; | |
1000 | if (!use_double) { | |
a1bd196e GS |
1001 | use_double = 1; |
1002 | dright = right; | |
787eafbd IZ |
1003 | } |
1004 | left_neg = dleft < 0; | |
1005 | if (left_neg) | |
1006 | dleft = -dleft; | |
1007 | } | |
68dc0745 | 1008 | |
787eafbd | 1009 | if (use_double) { |
65202027 | 1010 | NV dans; |
787eafbd IZ |
1011 | |
1012 | #if 1 | |
787eafbd IZ |
1013 | /* Somehow U_V is pessimized even if CASTFLAGS is 0 */ |
1014 | # if CASTFLAGS & 2 | |
1015 | # define CAST_D2UV(d) U_V(d) | |
1016 | # else | |
1017 | # define CAST_D2UV(d) ((UV)(d)) | |
1018 | # endif | |
a1bd196e GS |
1019 | /* Tried to do this only in the case DOUBLESIZE <= UV_SIZE, |
1020 | * or, in other words, precision of UV more than of NV. | |
1021 | * But in fact the approach below turned out to be an | |
1022 | * optimization - floor() may be slow */ | |
787eafbd IZ |
1023 | if (dright <= UV_MAX && dleft <= UV_MAX) { |
1024 | right = CAST_D2UV(dright); | |
1025 | left = CAST_D2UV(dleft); | |
1026 | goto do_uv; | |
1027 | } | |
1028 | #endif | |
1029 | ||
1030 | /* Backward-compatibility clause: */ | |
853846ea NIS |
1031 | dright = floor(dright + 0.5); |
1032 | dleft = floor(dleft + 0.5); | |
787eafbd IZ |
1033 | |
1034 | if (!dright) | |
cea2e8a9 | 1035 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd | 1036 | |
65202027 | 1037 | dans = Perl_fmod(dleft, dright); |
787eafbd IZ |
1038 | if ((left_neg != right_neg) && dans) |
1039 | dans = dright - dans; | |
1040 | if (right_neg) | |
1041 | dans = -dans; | |
1042 | sv_setnv(TARG, dans); | |
1043 | } | |
1044 | else { | |
1045 | UV ans; | |
1046 | ||
1047 | do_uv: | |
1048 | if (!right) | |
cea2e8a9 | 1049 | DIE(aTHX_ "Illegal modulus zero"); |
787eafbd IZ |
1050 | |
1051 | ans = left % right; | |
1052 | if ((left_neg != right_neg) && ans) | |
1053 | ans = right - ans; | |
1054 | if (right_neg) { | |
1055 | /* XXX may warn: unary minus operator applied to unsigned type */ | |
1056 | /* could change -foo to be (~foo)+1 instead */ | |
1057 | if (ans <= ~((UV)IV_MAX)+1) | |
1058 | sv_setiv(TARG, ~ans+1); | |
1059 | else | |
65202027 | 1060 | sv_setnv(TARG, -(NV)ans); |
787eafbd IZ |
1061 | } |
1062 | else | |
1063 | sv_setuv(TARG, ans); | |
1064 | } | |
1065 | PUSHTARG; | |
1066 | RETURN; | |
79072805 | 1067 | } |
a0d0e21e | 1068 | } |
79072805 | 1069 | |
a0d0e21e LW |
1070 | PP(pp_repeat) |
1071 | { | |
4e35701f | 1072 | djSP; dATARGET; tryAMAGICbin(repeat,opASSIGN); |
748a9306 | 1073 | { |
a0d0e21e | 1074 | register I32 count = POPi; |
533c011a | 1075 | if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) { |
a0d0e21e LW |
1076 | dMARK; |
1077 | I32 items = SP - MARK; | |
1078 | I32 max; | |
79072805 | 1079 | |
a0d0e21e LW |
1080 | max = items * count; |
1081 | MEXTEND(MARK, max); | |
1082 | if (count > 1) { | |
1083 | while (SP > MARK) { | |
1084 | if (*SP) | |
1085 | SvTEMP_off((*SP)); | |
1086 | SP--; | |
79072805 | 1087 | } |
a0d0e21e LW |
1088 | MARK++; |
1089 | repeatcpy((char*)(MARK + items), (char*)MARK, | |
1090 | items * sizeof(SV*), count - 1); | |
1091 | SP += max; | |
79072805 | 1092 | } |
a0d0e21e LW |
1093 | else if (count <= 0) |
1094 | SP -= items; | |
79072805 | 1095 | } |
a0d0e21e LW |
1096 | else { /* Note: mark already snarfed by pp_list */ |
1097 | SV *tmpstr; | |
1098 | STRLEN len; | |
1099 | ||
1100 | tmpstr = POPs; | |
a0d0e21e LW |
1101 | SvSetSV(TARG, tmpstr); |
1102 | SvPV_force(TARG, len); | |
8ebc5c01 | 1103 | if (count != 1) { |
1104 | if (count < 1) | |
1105 | SvCUR_set(TARG, 0); | |
1106 | else { | |
1107 | SvGROW(TARG, (count * len) + 1); | |
a0d0e21e | 1108 | repeatcpy(SvPVX(TARG) + len, SvPVX(TARG), len, count - 1); |
8ebc5c01 | 1109 | SvCUR(TARG) *= count; |
7a4c00b4 | 1110 | } |
a0d0e21e | 1111 | *SvEND(TARG) = '\0'; |
a0d0e21e | 1112 | } |
8ebc5c01 | 1113 | (void)SvPOK_only(TARG); |
a0d0e21e | 1114 | PUSHTARG; |
79072805 | 1115 | } |
a0d0e21e | 1116 | RETURN; |
748a9306 | 1117 | } |
a0d0e21e | 1118 | } |
79072805 | 1119 | |
a0d0e21e LW |
1120 | PP(pp_subtract) |
1121 | { | |
8ec5e241 | 1122 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e | 1123 | { |
7a4c00b4 | 1124 | dPOPTOPnnrl_ul; |
a0d0e21e LW |
1125 | SETn( left - right ); |
1126 | RETURN; | |
79072805 | 1127 | } |
a0d0e21e | 1128 | } |
79072805 | 1129 | |
a0d0e21e LW |
1130 | PP(pp_left_shift) |
1131 | { | |
8ec5e241 | 1132 | djSP; dATARGET; tryAMAGICbin(lshift,opASSIGN); |
a0d0e21e | 1133 | { |
41af67ec | 1134 | IBW shift = POPi; |
533c011a | 1135 | if (PL_op->op_private & HINT_INTEGER) { |
41af67ec JH |
1136 | IBW i = TOPi; |
1137 | i = BWi(i) << shift; | |
1138 | SETi(BWi(i)); | |
ff68c719 | 1139 | } |
1140 | else { | |
41af67ec JH |
1141 | UBW u = TOPu; |
1142 | u <<= shift; | |
1143 | SETu(BWu(u)); | |
ff68c719 | 1144 | } |
55497cff | 1145 | RETURN; |
79072805 | 1146 | } |
a0d0e21e | 1147 | } |
79072805 | 1148 | |
a0d0e21e LW |
1149 | PP(pp_right_shift) |
1150 | { | |
8ec5e241 | 1151 | djSP; dATARGET; tryAMAGICbin(rshift,opASSIGN); |
a0d0e21e | 1152 | { |
41af67ec | 1153 | IBW shift = POPi; |
533c011a | 1154 | if (PL_op->op_private & HINT_INTEGER) { |
41af67ec JH |
1155 | IBW i = TOPi; |
1156 | i = BWi(i) >> shift; | |
1157 | SETi(BWi(i)); | |
ff68c719 | 1158 | } |
1159 | else { | |
41af67ec JH |
1160 | UBW u = TOPu; |
1161 | u >>= shift; | |
1162 | SETu(BWu(u)); | |
ff68c719 | 1163 | } |
a0d0e21e | 1164 | RETURN; |
93a17b20 | 1165 | } |
79072805 LW |
1166 | } |
1167 | ||
a0d0e21e | 1168 | PP(pp_lt) |
79072805 | 1169 | { |
8ec5e241 | 1170 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1171 | { |
1172 | dPOPnv; | |
54310121 | 1173 | SETs(boolSV(TOPn < value)); |
a0d0e21e | 1174 | RETURN; |
79072805 | 1175 | } |
a0d0e21e | 1176 | } |
79072805 | 1177 | |
a0d0e21e LW |
1178 | PP(pp_gt) |
1179 | { | |
8ec5e241 | 1180 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1181 | { |
1182 | dPOPnv; | |
54310121 | 1183 | SETs(boolSV(TOPn > value)); |
a0d0e21e | 1184 | RETURN; |
79072805 | 1185 | } |
a0d0e21e LW |
1186 | } |
1187 | ||
1188 | PP(pp_le) | |
1189 | { | |
8ec5e241 | 1190 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1191 | { |
1192 | dPOPnv; | |
54310121 | 1193 | SETs(boolSV(TOPn <= value)); |
a0d0e21e | 1194 | RETURN; |
79072805 | 1195 | } |
a0d0e21e LW |
1196 | } |
1197 | ||
1198 | PP(pp_ge) | |
1199 | { | |
8ec5e241 | 1200 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1201 | { |
1202 | dPOPnv; | |
54310121 | 1203 | SETs(boolSV(TOPn >= value)); |
a0d0e21e | 1204 | RETURN; |
79072805 | 1205 | } |
a0d0e21e | 1206 | } |
79072805 | 1207 | |
a0d0e21e LW |
1208 | PP(pp_ne) |
1209 | { | |
8ec5e241 | 1210 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1211 | { |
1212 | dPOPnv; | |
54310121 | 1213 | SETs(boolSV(TOPn != value)); |
a0d0e21e LW |
1214 | RETURN; |
1215 | } | |
79072805 LW |
1216 | } |
1217 | ||
a0d0e21e | 1218 | PP(pp_ncmp) |
79072805 | 1219 | { |
8ec5e241 | 1220 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1221 | { |
1222 | dPOPTOPnnrl; | |
1223 | I32 value; | |
79072805 | 1224 | |
ff0cee69 | 1225 | if (left == right) |
a0d0e21e | 1226 | value = 0; |
a0d0e21e LW |
1227 | else if (left < right) |
1228 | value = -1; | |
44a8e56a | 1229 | else if (left > right) |
1230 | value = 1; | |
1231 | else { | |
3280af22 | 1232 | SETs(&PL_sv_undef); |
44a8e56a | 1233 | RETURN; |
1234 | } | |
a0d0e21e LW |
1235 | SETi(value); |
1236 | RETURN; | |
79072805 | 1237 | } |
a0d0e21e | 1238 | } |
79072805 | 1239 | |
a0d0e21e LW |
1240 | PP(pp_slt) |
1241 | { | |
8ec5e241 | 1242 | djSP; tryAMAGICbinSET(slt,0); |
a0d0e21e LW |
1243 | { |
1244 | dPOPTOPssrl; | |
533c011a | 1245 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1246 | ? sv_cmp_locale(left, right) |
1247 | : sv_cmp(left, right)); | |
54310121 | 1248 | SETs(boolSV(cmp < 0)); |
a0d0e21e LW |
1249 | RETURN; |
1250 | } | |
79072805 LW |
1251 | } |
1252 | ||
a0d0e21e | 1253 | PP(pp_sgt) |
79072805 | 1254 | { |
8ec5e241 | 1255 | djSP; tryAMAGICbinSET(sgt,0); |
a0d0e21e LW |
1256 | { |
1257 | dPOPTOPssrl; | |
533c011a | 1258 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1259 | ? sv_cmp_locale(left, right) |
1260 | : sv_cmp(left, right)); | |
54310121 | 1261 | SETs(boolSV(cmp > 0)); |
a0d0e21e LW |
1262 | RETURN; |
1263 | } | |
1264 | } | |
79072805 | 1265 | |
a0d0e21e LW |
1266 | PP(pp_sle) |
1267 | { | |
8ec5e241 | 1268 | djSP; tryAMAGICbinSET(sle,0); |
a0d0e21e LW |
1269 | { |
1270 | dPOPTOPssrl; | |
533c011a | 1271 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1272 | ? sv_cmp_locale(left, right) |
1273 | : sv_cmp(left, right)); | |
54310121 | 1274 | SETs(boolSV(cmp <= 0)); |
a0d0e21e | 1275 | RETURN; |
79072805 | 1276 | } |
79072805 LW |
1277 | } |
1278 | ||
a0d0e21e LW |
1279 | PP(pp_sge) |
1280 | { | |
8ec5e241 | 1281 | djSP; tryAMAGICbinSET(sge,0); |
a0d0e21e LW |
1282 | { |
1283 | dPOPTOPssrl; | |
533c011a | 1284 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1285 | ? sv_cmp_locale(left, right) |
1286 | : sv_cmp(left, right)); | |
54310121 | 1287 | SETs(boolSV(cmp >= 0)); |
a0d0e21e LW |
1288 | RETURN; |
1289 | } | |
1290 | } | |
79072805 | 1291 | |
36477c24 | 1292 | PP(pp_seq) |
1293 | { | |
8ec5e241 | 1294 | djSP; tryAMAGICbinSET(seq,0); |
36477c24 | 1295 | { |
1296 | dPOPTOPssrl; | |
54310121 | 1297 | SETs(boolSV(sv_eq(left, right))); |
a0d0e21e LW |
1298 | RETURN; |
1299 | } | |
1300 | } | |
79072805 | 1301 | |
a0d0e21e | 1302 | PP(pp_sne) |
79072805 | 1303 | { |
8ec5e241 | 1304 | djSP; tryAMAGICbinSET(sne,0); |
a0d0e21e LW |
1305 | { |
1306 | dPOPTOPssrl; | |
54310121 | 1307 | SETs(boolSV(!sv_eq(left, right))); |
a0d0e21e | 1308 | RETURN; |
463ee0b2 | 1309 | } |
79072805 LW |
1310 | } |
1311 | ||
a0d0e21e | 1312 | PP(pp_scmp) |
79072805 | 1313 | { |
4e35701f | 1314 | djSP; dTARGET; tryAMAGICbin(scmp,0); |
a0d0e21e LW |
1315 | { |
1316 | dPOPTOPssrl; | |
533c011a | 1317 | int cmp = ((PL_op->op_private & OPpLOCALE) |
bbce6d69 | 1318 | ? sv_cmp_locale(left, right) |
1319 | : sv_cmp(left, right)); | |
1320 | SETi( cmp ); | |
a0d0e21e LW |
1321 | RETURN; |
1322 | } | |
1323 | } | |
79072805 | 1324 | |
55497cff | 1325 | PP(pp_bit_and) |
1326 | { | |
8ec5e241 | 1327 | djSP; dATARGET; tryAMAGICbin(band,opASSIGN); |
a0d0e21e LW |
1328 | { |
1329 | dPOPTOPssrl; | |
4633a7c4 | 1330 | if (SvNIOKp(left) || SvNIOKp(right)) { |
533c011a | 1331 | if (PL_op->op_private & HINT_INTEGER) { |
41af67ec JH |
1332 | IBW value = SvIV(left) & SvIV(right); |
1333 | SETi(BWi(value)); | |
36477c24 | 1334 | } |
1335 | else { | |
41af67ec JH |
1336 | UBW value = SvUV(left) & SvUV(right); |
1337 | SETu(BWu(value)); | |
36477c24 | 1338 | } |
a0d0e21e LW |
1339 | } |
1340 | else { | |
533c011a | 1341 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1342 | SETTARG; |
1343 | } | |
1344 | RETURN; | |
1345 | } | |
1346 | } | |
79072805 | 1347 | |
a0d0e21e LW |
1348 | PP(pp_bit_xor) |
1349 | { | |
8ec5e241 | 1350 | djSP; dATARGET; tryAMAGICbin(bxor,opASSIGN); |
a0d0e21e LW |
1351 | { |
1352 | dPOPTOPssrl; | |
4633a7c4 | 1353 | if (SvNIOKp(left) || SvNIOKp(right)) { |
533c011a | 1354 | if (PL_op->op_private & HINT_INTEGER) { |
41af67ec JH |
1355 | IBW value = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right); |
1356 | SETi(BWi(value)); | |
36477c24 | 1357 | } |
1358 | else { | |
41af67ec JH |
1359 | UBW value = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right); |
1360 | SETu(BWu(value)); | |
36477c24 | 1361 | } |
a0d0e21e LW |
1362 | } |
1363 | else { | |
533c011a | 1364 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1365 | SETTARG; |
1366 | } | |
1367 | RETURN; | |
1368 | } | |
1369 | } | |
79072805 | 1370 | |
a0d0e21e LW |
1371 | PP(pp_bit_or) |
1372 | { | |
8ec5e241 | 1373 | djSP; dATARGET; tryAMAGICbin(bor,opASSIGN); |
a0d0e21e LW |
1374 | { |
1375 | dPOPTOPssrl; | |
4633a7c4 | 1376 | if (SvNIOKp(left) || SvNIOKp(right)) { |
533c011a | 1377 | if (PL_op->op_private & HINT_INTEGER) { |
41af67ec JH |
1378 | IBW value = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right); |
1379 | SETi(BWi(value)); | |
36477c24 | 1380 | } |
1381 | else { | |
41af67ec JH |
1382 | UBW value = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right); |
1383 | SETu(BWu(value)); | |
36477c24 | 1384 | } |
a0d0e21e LW |
1385 | } |
1386 | else { | |
533c011a | 1387 | do_vop(PL_op->op_type, TARG, left, right); |
a0d0e21e LW |
1388 | SETTARG; |
1389 | } | |
1390 | RETURN; | |
79072805 | 1391 | } |
a0d0e21e | 1392 | } |
79072805 | 1393 | |
a0d0e21e LW |
1394 | PP(pp_negate) |
1395 | { | |
4e35701f | 1396 | djSP; dTARGET; tryAMAGICun(neg); |
a0d0e21e LW |
1397 | { |
1398 | dTOPss; | |
4633a7c4 LW |
1399 | if (SvGMAGICAL(sv)) |
1400 | mg_get(sv); | |
55497cff | 1401 | if (SvIOKp(sv) && !SvNOKp(sv) && !SvPOKp(sv) && SvIVX(sv) != IV_MIN) |
1402 | SETi(-SvIVX(sv)); | |
1403 | else if (SvNIOKp(sv)) | |
a0d0e21e | 1404 | SETn(-SvNV(sv)); |
4633a7c4 | 1405 | else if (SvPOKp(sv)) { |
a0d0e21e LW |
1406 | STRLEN len; |
1407 | char *s = SvPV(sv, len); | |
bbce6d69 | 1408 | if (isIDFIRST(*s)) { |
a0d0e21e LW |
1409 | sv_setpvn(TARG, "-", 1); |
1410 | sv_catsv(TARG, sv); | |
79072805 | 1411 | } |
a0d0e21e LW |
1412 | else if (*s == '+' || *s == '-') { |
1413 | sv_setsv(TARG, sv); | |
1414 | *SvPV_force(TARG, len) = *s == '-' ? '+' : '-'; | |
79072805 | 1415 | } |
b86a2fa7 | 1416 | else if (IN_UTF8 && *(U8*)s >= 0xc0 && isIDFIRST_utf8((U8*)s)) { |
834a4ddd LW |
1417 | sv_setpvn(TARG, "-", 1); |
1418 | sv_catsv(TARG, sv); | |
1419 | } | |
79072805 | 1420 | else |
a0d0e21e LW |
1421 | sv_setnv(TARG, -SvNV(sv)); |
1422 | SETTARG; | |
79072805 | 1423 | } |
4633a7c4 LW |
1424 | else |
1425 | SETn(-SvNV(sv)); | |
79072805 | 1426 | } |
a0d0e21e | 1427 | RETURN; |
79072805 LW |
1428 | } |
1429 | ||
a0d0e21e | 1430 | PP(pp_not) |
79072805 | 1431 | { |
4e35701f | 1432 | djSP; tryAMAGICunSET(not); |
3280af22 | 1433 | *PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp)); |
a0d0e21e | 1434 | return NORMAL; |
79072805 LW |
1435 | } |
1436 | ||
a0d0e21e | 1437 | PP(pp_complement) |
79072805 | 1438 | { |
8ec5e241 | 1439 | djSP; dTARGET; tryAMAGICun(compl); |
a0d0e21e LW |
1440 | { |
1441 | dTOPss; | |
4633a7c4 | 1442 | if (SvNIOKp(sv)) { |
533c011a | 1443 | if (PL_op->op_private & HINT_INTEGER) { |
41af67ec JH |
1444 | IBW value = ~SvIV(sv); |
1445 | SETi(BWi(value)); | |
36477c24 | 1446 | } |
1447 | else { | |
41af67ec JH |
1448 | UBW value = ~SvUV(sv); |
1449 | SETu(BWu(value)); | |
36477c24 | 1450 | } |
a0d0e21e LW |
1451 | } |
1452 | else { | |
1453 | register char *tmps; | |
1454 | register long *tmpl; | |
55497cff | 1455 | register I32 anum; |
a0d0e21e LW |
1456 | STRLEN len; |
1457 | ||
1458 | SvSetSV(TARG, sv); | |
1459 | tmps = SvPV_force(TARG, len); | |
1460 | anum = len; | |
1461 | #ifdef LIBERAL | |
1462 | for ( ; anum && (unsigned long)tmps % sizeof(long); anum--, tmps++) | |
1463 | *tmps = ~*tmps; | |
1464 | tmpl = (long*)tmps; | |
1465 | for ( ; anum >= sizeof(long); anum -= sizeof(long), tmpl++) | |
1466 | *tmpl = ~*tmpl; | |
1467 | tmps = (char*)tmpl; | |
1468 | #endif | |
1469 | for ( ; anum > 0; anum--, tmps++) | |
1470 | *tmps = ~*tmps; | |
1471 | ||
1472 | SETs(TARG); | |
1473 | } | |
1474 | RETURN; | |
1475 | } | |
79072805 LW |
1476 | } |
1477 | ||
a0d0e21e LW |
1478 | /* integer versions of some of the above */ |
1479 | ||
a0d0e21e | 1480 | PP(pp_i_multiply) |
79072805 | 1481 | { |
8ec5e241 | 1482 | djSP; dATARGET; tryAMAGICbin(mult,opASSIGN); |
a0d0e21e LW |
1483 | { |
1484 | dPOPTOPiirl; | |
1485 | SETi( left * right ); | |
1486 | RETURN; | |
1487 | } | |
79072805 LW |
1488 | } |
1489 | ||
a0d0e21e | 1490 | PP(pp_i_divide) |
79072805 | 1491 | { |
8ec5e241 | 1492 | djSP; dATARGET; tryAMAGICbin(div,opASSIGN); |
a0d0e21e LW |
1493 | { |
1494 | dPOPiv; | |
1495 | if (value == 0) | |
cea2e8a9 | 1496 | DIE(aTHX_ "Illegal division by zero"); |
a0d0e21e LW |
1497 | value = POPi / value; |
1498 | PUSHi( value ); | |
1499 | RETURN; | |
1500 | } | |
79072805 LW |
1501 | } |
1502 | ||
a0d0e21e | 1503 | PP(pp_i_modulo) |
79072805 | 1504 | { |
76e3520e | 1505 | djSP; dATARGET; tryAMAGICbin(modulo,opASSIGN); |
79072805 | 1506 | { |
a0d0e21e | 1507 | dPOPTOPiirl; |
aa306039 | 1508 | if (!right) |
cea2e8a9 | 1509 | DIE(aTHX_ "Illegal modulus zero"); |
a0d0e21e LW |
1510 | SETi( left % right ); |
1511 | RETURN; | |
79072805 | 1512 | } |
79072805 LW |
1513 | } |
1514 | ||
a0d0e21e | 1515 | PP(pp_i_add) |
79072805 | 1516 | { |
8ec5e241 | 1517 | djSP; dATARGET; tryAMAGICbin(add,opASSIGN); |
a0d0e21e LW |
1518 | { |
1519 | dPOPTOPiirl; | |
1520 | SETi( left + right ); | |
1521 | RETURN; | |
79072805 | 1522 | } |
79072805 LW |
1523 | } |
1524 | ||
a0d0e21e | 1525 | PP(pp_i_subtract) |
79072805 | 1526 | { |
8ec5e241 | 1527 | djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN); |
a0d0e21e LW |
1528 | { |
1529 | dPOPTOPiirl; | |
1530 | SETi( left - right ); | |
1531 | RETURN; | |
79072805 | 1532 | } |
79072805 LW |
1533 | } |
1534 | ||
a0d0e21e | 1535 | PP(pp_i_lt) |
79072805 | 1536 | { |
8ec5e241 | 1537 | djSP; tryAMAGICbinSET(lt,0); |
a0d0e21e LW |
1538 | { |
1539 | dPOPTOPiirl; | |
54310121 | 1540 | SETs(boolSV(left < right)); |
a0d0e21e LW |
1541 | RETURN; |
1542 | } | |
79072805 LW |
1543 | } |
1544 | ||
a0d0e21e | 1545 | PP(pp_i_gt) |
79072805 | 1546 | { |
8ec5e241 | 1547 | djSP; tryAMAGICbinSET(gt,0); |
a0d0e21e LW |
1548 | { |
1549 | dPOPTOPiirl; | |
54310121 | 1550 | SETs(boolSV(left > right)); |
a0d0e21e LW |
1551 | RETURN; |
1552 | } | |
79072805 LW |
1553 | } |
1554 | ||
a0d0e21e | 1555 | PP(pp_i_le) |
79072805 | 1556 | { |
8ec5e241 | 1557 | djSP; tryAMAGICbinSET(le,0); |
a0d0e21e LW |
1558 | { |
1559 | dPOPTOPiirl; | |
54310121 | 1560 | SETs(boolSV(left <= right)); |
a0d0e21e | 1561 | RETURN; |
85e6fe83 | 1562 | } |
79072805 LW |
1563 | } |
1564 | ||
a0d0e21e | 1565 | PP(pp_i_ge) |
79072805 | 1566 | { |
8ec5e241 | 1567 | djSP; tryAMAGICbinSET(ge,0); |
a0d0e21e LW |
1568 | { |
1569 | dPOPTOPiirl; | |
54310121 | 1570 | SETs(boolSV(left >= right)); |
a0d0e21e LW |
1571 | RETURN; |
1572 | } | |
79072805 LW |
1573 | } |
1574 | ||
a0d0e21e | 1575 | PP(pp_i_eq) |
79072805 | 1576 | { |
8ec5e241 | 1577 | djSP; tryAMAGICbinSET(eq,0); |
a0d0e21e LW |
1578 | { |
1579 | dPOPTOPiirl; | |
54310121 | 1580 | SETs(boolSV(left == right)); |
a0d0e21e LW |
1581 | RETURN; |
1582 | } | |
79072805 LW |
1583 | } |
1584 | ||
a0d0e21e | 1585 | PP(pp_i_ne) |
79072805 | 1586 | { |
8ec5e241 | 1587 | djSP; tryAMAGICbinSET(ne,0); |
a0d0e21e LW |
1588 | { |
1589 | dPOPTOPiirl; | |
54310121 | 1590 | SETs(boolSV(left != right)); |
a0d0e21e LW |
1591 | RETURN; |
1592 | } | |
79072805 LW |
1593 | } |
1594 | ||
a0d0e21e | 1595 | PP(pp_i_ncmp) |
79072805 | 1596 | { |
8ec5e241 | 1597 | djSP; dTARGET; tryAMAGICbin(ncmp,0); |
a0d0e21e LW |
1598 | { |
1599 | dPOPTOPiirl; | |
1600 | I32 value; | |
79072805 | 1601 | |
a0d0e21e | 1602 | if (left > right) |
79072805 | 1603 | value = 1; |
a0d0e21e | 1604 | else if (left < right) |
79072805 | 1605 | value = -1; |
a0d0e21e | 1606 | else |
79072805 | 1607 | value = 0; |
a0d0e21e LW |
1608 | SETi(value); |
1609 | RETURN; | |
79072805 | 1610 | } |
85e6fe83 LW |
1611 | } |
1612 | ||
1613 | PP(pp_i_negate) | |
1614 | { | |
4e35701f | 1615 | djSP; dTARGET; tryAMAGICun(neg); |
85e6fe83 LW |
1616 | SETi(-TOPi); |
1617 | RETURN; | |
1618 | } | |
1619 | ||
79072805 LW |
1620 | /* High falutin' math. */ |
1621 | ||
1622 | PP(pp_atan2) | |
1623 | { | |
8ec5e241 | 1624 | djSP; dTARGET; tryAMAGICbin(atan2,0); |
a0d0e21e LW |
1625 | { |
1626 | dPOPTOPnnrl; | |
65202027 | 1627 | SETn(Perl_atan2(left, right)); |
a0d0e21e LW |
1628 | RETURN; |
1629 | } | |
79072805 LW |
1630 | } |
1631 | ||
1632 | PP(pp_sin) | |
1633 | { | |
4e35701f | 1634 | djSP; dTARGET; tryAMAGICun(sin); |
a0d0e21e | 1635 | { |
65202027 | 1636 | NV value; |
a0d0e21e | 1637 | value = POPn; |
65202027 | 1638 | value = Perl_sin(value); |
a0d0e21e LW |
1639 | XPUSHn(value); |
1640 | RETURN; | |
1641 | } | |
79072805 LW |
1642 | } |
1643 | ||
1644 | PP(pp_cos) | |
1645 | { | |
4e35701f | 1646 | djSP; dTARGET; tryAMAGICun(cos); |
a0d0e21e | 1647 | { |
65202027 | 1648 | NV value; |
a0d0e21e | 1649 | value = POPn; |
65202027 | 1650 | value = Perl_cos(value); |
a0d0e21e LW |
1651 | XPUSHn(value); |
1652 | RETURN; | |
1653 | } | |
79072805 LW |
1654 | } |
1655 | ||
56cb0a1c AD |
1656 | /* Support Configure command-line overrides for rand() functions. |
1657 | After 5.005, perhaps we should replace this by Configure support | |
1658 | for drand48(), random(), or rand(). For 5.005, though, maintain | |
1659 | compatibility by calling rand() but allow the user to override it. | |
1660 | See INSTALL for details. --Andy Dougherty 15 July 1998 | |
1661 | */ | |
85ab1d1d JH |
1662 | /* Now it's after 5.005, and Configure supports drand48() and random(), |
1663 | in addition to rand(). So the overrides should not be needed any more. | |
1664 | --Jarkko Hietaniemi 27 September 1998 | |
1665 | */ | |
1666 | ||
1667 | #ifndef HAS_DRAND48_PROTO | |
20ce7b12 | 1668 | extern double drand48 (void); |
56cb0a1c AD |
1669 | #endif |
1670 | ||
79072805 LW |
1671 | PP(pp_rand) |
1672 | { | |
4e35701f | 1673 | djSP; dTARGET; |
65202027 | 1674 | NV value; |
79072805 LW |
1675 | if (MAXARG < 1) |
1676 | value = 1.0; | |
1677 | else | |
1678 | value = POPn; | |
1679 | if (value == 0.0) | |
1680 | value = 1.0; | |
80252599 | 1681 | if (!PL_srand_called) { |
85ab1d1d | 1682 | (void)seedDrand01((Rand_seed_t)seed()); |
80252599 | 1683 | PL_srand_called = TRUE; |
93dc8474 | 1684 | } |
85ab1d1d | 1685 | value *= Drand01(); |
79072805 LW |
1686 | XPUSHn(value); |
1687 | RETURN; | |
1688 | } | |
1689 | ||
1690 | PP(pp_srand) | |
1691 | { | |
4e35701f | 1692 | djSP; |
93dc8474 CS |
1693 | UV anum; |
1694 | if (MAXARG < 1) | |
1695 | anum = seed(); | |
79072805 | 1696 | else |
93dc8474 | 1697 | anum = POPu; |
85ab1d1d | 1698 | (void)seedDrand01((Rand_seed_t)anum); |
80252599 | 1699 | PL_srand_called = TRUE; |
79072805 LW |
1700 | EXTEND(SP, 1); |
1701 | RETPUSHYES; | |
1702 | } | |
1703 | ||
76e3520e | 1704 | STATIC U32 |
cea2e8a9 | 1705 | S_seed(pTHX) |
93dc8474 | 1706 | { |
54310121 | 1707 | /* |
1708 | * This is really just a quick hack which grabs various garbage | |
1709 | * values. It really should be a real hash algorithm which | |
1710 | * spreads the effect of every input bit onto every output bit, | |
85ab1d1d | 1711 | * if someone who knows about such things would bother to write it. |
54310121 | 1712 | * Might be a good idea to add that function to CORE as well. |
85ab1d1d | 1713 | * No numbers below come from careful analysis or anything here, |
54310121 | 1714 | * except they are primes and SEED_C1 > 1E6 to get a full-width |
1715 | * value from (tv_sec * SEED_C1 + tv_usec). The multipliers should | |
1716 | * probably be bigger too. | |
1717 | */ | |
1718 | #if RANDBITS > 16 | |
1719 | # define SEED_C1 1000003 | |
1720 | #define SEED_C4 73819 | |
1721 | #else | |
1722 | # define SEED_C1 25747 | |
1723 | #define SEED_C4 20639 | |
1724 | #endif | |
1725 | #define SEED_C2 3 | |
1726 | #define SEED_C3 269 | |
1727 | #define SEED_C5 26107 | |
1728 | ||
e858de61 | 1729 | dTHR; |
73c60299 RS |
1730 | #ifndef PERL_NO_DEV_RANDOM |
1731 | int fd; | |
1732 | #endif | |
93dc8474 | 1733 | U32 u; |
f12c7020 | 1734 | #ifdef VMS |
1735 | # include <starlet.h> | |
43c92808 HF |
1736 | /* when[] = (low 32 bits, high 32 bits) of time since epoch |
1737 | * in 100-ns units, typically incremented ever 10 ms. */ | |
93dc8474 | 1738 | unsigned int when[2]; |
73c60299 RS |
1739 | #else |
1740 | # ifdef HAS_GETTIMEOFDAY | |
1741 | struct timeval when; | |
1742 | # else | |
1743 | Time_t when; | |
1744 | # endif | |
1745 | #endif | |
1746 | ||
1747 | /* This test is an escape hatch, this symbol isn't set by Configure. */ | |
1748 | #ifndef PERL_NO_DEV_RANDOM | |
1749 | #ifndef PERL_RANDOM_DEVICE | |
1750 | /* /dev/random isn't used by default because reads from it will block | |
1751 | * if there isn't enough entropy available. You can compile with | |
1752 | * PERL_RANDOM_DEVICE to it if you'd prefer Perl to block until there | |
1753 | * is enough real entropy to fill the seed. */ | |
1754 | # define PERL_RANDOM_DEVICE "/dev/urandom" | |
1755 | #endif | |
1756 | fd = PerlLIO_open(PERL_RANDOM_DEVICE, 0); | |
1757 | if (fd != -1) { | |
1758 | if (PerlLIO_read(fd, &u, sizeof u) != sizeof u) | |
1759 | u = 0; | |
1760 | PerlLIO_close(fd); | |
1761 | if (u) | |
1762 | return u; | |
1763 | } | |
1764 | #endif | |
1765 | ||
1766 | #ifdef VMS | |
93dc8474 | 1767 | _ckvmssts(sys$gettim(when)); |
54310121 | 1768 | u = (U32)SEED_C1 * when[0] + (U32)SEED_C2 * when[1]; |
f12c7020 | 1769 | #else |
5f05dabc | 1770 | # ifdef HAS_GETTIMEOFDAY |
93dc8474 | 1771 | gettimeofday(&when,(struct timezone *) 0); |
54310121 | 1772 | u = (U32)SEED_C1 * when.tv_sec + (U32)SEED_C2 * when.tv_usec; |
f12c7020 | 1773 | # else |
93dc8474 | 1774 | (void)time(&when); |
54310121 | 1775 | u = (U32)SEED_C1 * when; |
f12c7020 | 1776 | # endif |
1777 | #endif | |
54310121 | 1778 | u += SEED_C3 * (U32)getpid(); |
3280af22 | 1779 | u += SEED_C4 * (U32)(UV)PL_stack_sp; |
54310121 | 1780 | #ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */ |
1781 | u += SEED_C5 * (U32)(UV)&when; | |
f12c7020 | 1782 | #endif |
93dc8474 | 1783 | return u; |
79072805 LW |
1784 | } |
1785 | ||
1786 | PP(pp_exp) | |
1787 | { | |
4e35701f | 1788 | djSP; dTARGET; tryAMAGICun(exp); |
a0d0e21e | 1789 | { |
65202027 | 1790 | NV value; |
a0d0e21e | 1791 | value = POPn; |
65202027 | 1792 | value = Perl_exp(value); |
a0d0e21e LW |
1793 | XPUSHn(value); |
1794 | RETURN; | |
1795 | } | |
79072805 LW |
1796 | } |
1797 | ||
1798 | PP(pp_log) | |
1799 | { | |
4e35701f | 1800 | djSP; dTARGET; tryAMAGICun(log); |
a0d0e21e | 1801 | { |
65202027 | 1802 | NV value; |
a0d0e21e | 1803 | value = POPn; |
bbce6d69 | 1804 | if (value <= 0.0) { |
097ee67d | 1805 | RESTORE_NUMERIC_STANDARD(); |
cea2e8a9 | 1806 | DIE(aTHX_ "Can't take log of %g", value); |
bbce6d69 | 1807 | } |
65202027 | 1808 | value = Perl_log(value); |
a0d0e21e LW |
1809 | XPUSHn(value); |
1810 | RETURN; | |
1811 | } | |
79072805 LW |
1812 | } |
1813 | ||
1814 | PP(pp_sqrt) | |
1815 | { | |
4e35701f | 1816 | djSP; dTARGET; tryAMAGICun(sqrt); |
a0d0e21e | 1817 | { |
65202027 | 1818 | NV value; |
a0d0e21e | 1819 | value = POPn; |
bbce6d69 | 1820 | if (value < 0.0) { |
097ee67d | 1821 | RESTORE_NUMERIC_STANDARD(); |
cea2e8a9 | 1822 | DIE(aTHX_ "Can't take sqrt of %g", value); |
bbce6d69 | 1823 | } |
65202027 | 1824 | value = Perl_sqrt(value); |
a0d0e21e LW |
1825 | XPUSHn(value); |
1826 | RETURN; | |
1827 | } | |
79072805 LW |
1828 | } |
1829 | ||
1830 | PP(pp_int) | |
1831 | { | |
4e35701f | 1832 | djSP; dTARGET; |
774d564b | 1833 | { |
65202027 | 1834 | NV value = TOPn; |
774d564b | 1835 | IV iv; |
1836 | ||
1837 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs)) { | |
1838 | iv = SvIVX(TOPs); | |
1839 | SETi(iv); | |
1840 | } | |
1841 | else { | |
1842 | if (value >= 0.0) | |
65202027 | 1843 | (void)Perl_modf(value, &value); |
774d564b | 1844 | else { |
65202027 | 1845 | (void)Perl_modf(-value, &value); |
774d564b | 1846 | value = -value; |
1847 | } | |
1848 | iv = I_V(value); | |
1849 | if (iv == value) | |
1850 | SETi(iv); | |
1851 | else | |
1852 | SETn(value); | |
1853 | } | |
79072805 | 1854 | } |
79072805 LW |
1855 | RETURN; |
1856 | } | |
1857 | ||
463ee0b2 LW |
1858 | PP(pp_abs) |
1859 | { | |
4e35701f | 1860 | djSP; dTARGET; tryAMAGICun(abs); |
a0d0e21e | 1861 | { |
65202027 | 1862 | NV value = TOPn; |
774d564b | 1863 | IV iv; |
463ee0b2 | 1864 | |
774d564b | 1865 | if (SvIOKp(TOPs) && !SvNOKp(TOPs) && !SvPOKp(TOPs) && |
1866 | (iv = SvIVX(TOPs)) != IV_MIN) { | |
1867 | if (iv < 0) | |
1868 | iv = -iv; | |
1869 | SETi(iv); | |
1870 | } | |
1871 | else { | |
1872 | if (value < 0.0) | |
1873 | value = -value; | |
1874 | SETn(value); | |
1875 | } | |
a0d0e21e | 1876 | } |
774d564b | 1877 | RETURN; |
463ee0b2 LW |
1878 | } |
1879 | ||
79072805 LW |
1880 | PP(pp_hex) |
1881 | { | |
4e35701f | 1882 | djSP; dTARGET; |
79072805 LW |
1883 | char *tmps; |
1884 | I32 argtype; | |
2d8e6c8d | 1885 | STRLEN n_a; |
79072805 | 1886 | |
2d8e6c8d | 1887 | tmps = POPpx; |
9e24b6e2 | 1888 | XPUSHn(scan_hex(tmps, 99, &argtype)); |
79072805 LW |
1889 | RETURN; |
1890 | } | |
1891 | ||
1892 | PP(pp_oct) | |
1893 | { | |
4e35701f | 1894 | djSP; dTARGET; |
9e24b6e2 | 1895 | NV value; |
79072805 LW |
1896 | I32 argtype; |
1897 | char *tmps; | |
2d8e6c8d | 1898 | STRLEN n_a; |
79072805 | 1899 | |
2d8e6c8d | 1900 | tmps = POPpx; |
464e2e8a | 1901 | while (*tmps && isSPACE(*tmps)) |
1902 | tmps++; | |
9e24b6e2 JH |
1903 | if (*tmps == '0') |
1904 | tmps++; | |
1905 | if (*tmps == 'x') | |
1906 | value = scan_hex(++tmps, 99, &argtype); | |
1907 | else if (*tmps == 'b') | |
1908 | value = scan_bin(++tmps, 99, &argtype); | |
464e2e8a | 1909 | else |
9e24b6e2 JH |
1910 | value = scan_oct(tmps, 99, &argtype); |
1911 | XPUSHn(value); | |
79072805 LW |
1912 | RETURN; |
1913 | } | |
1914 | ||
1915 | /* String stuff. */ | |
1916 | ||
1917 | PP(pp_length) | |
1918 | { | |
4e35701f | 1919 | djSP; dTARGET; |
a0ed51b3 LW |
1920 | |
1921 | if (IN_UTF8) { | |
1922 | SETi( sv_len_utf8(TOPs) ); | |
1923 | RETURN; | |
1924 | } | |
1925 | ||
a0d0e21e | 1926 | SETi( sv_len(TOPs) ); |
79072805 LW |
1927 | RETURN; |
1928 | } | |
1929 | ||
1930 | PP(pp_substr) | |
1931 | { | |
4e35701f | 1932 | djSP; dTARGET; |
79072805 LW |
1933 | SV *sv; |
1934 | I32 len; | |
463ee0b2 | 1935 | STRLEN curlen; |
a0ed51b3 | 1936 | STRLEN utfcurlen; |
79072805 LW |
1937 | I32 pos; |
1938 | I32 rem; | |
84902520 | 1939 | I32 fail; |
533c011a | 1940 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
79072805 | 1941 | char *tmps; |
3280af22 | 1942 | I32 arybase = PL_curcop->cop_arybase; |
7b8d334a GS |
1943 | char *repl = 0; |
1944 | STRLEN repl_len; | |
79072805 | 1945 | |
20408e3c | 1946 | SvTAINTED_off(TARG); /* decontaminate */ |
5d82c453 GA |
1947 | if (MAXARG > 2) { |
1948 | if (MAXARG > 3) { | |
1949 | sv = POPs; | |
1950 | repl = SvPV(sv, repl_len); | |
7b8d334a | 1951 | } |
79072805 | 1952 | len = POPi; |
5d82c453 | 1953 | } |
84902520 | 1954 | pos = POPi; |
79072805 | 1955 | sv = POPs; |
849ca7ee | 1956 | PUTBACK; |
a0d0e21e | 1957 | tmps = SvPV(sv, curlen); |
a0ed51b3 LW |
1958 | if (IN_UTF8) { |
1959 | utfcurlen = sv_len_utf8(sv); | |
1960 | if (utfcurlen == curlen) | |
1961 | utfcurlen = 0; | |
1962 | else | |
1963 | curlen = utfcurlen; | |
1964 | } | |
d1c2b58a LW |
1965 | else |
1966 | utfcurlen = 0; | |
a0ed51b3 | 1967 | |
84902520 TB |
1968 | if (pos >= arybase) { |
1969 | pos -= arybase; | |
1970 | rem = curlen-pos; | |
1971 | fail = rem; | |
5d82c453 GA |
1972 | if (MAXARG > 2) { |
1973 | if (len < 0) { | |
1974 | rem += len; | |
1975 | if (rem < 0) | |
1976 | rem = 0; | |
1977 | } | |
1978 | else if (rem > len) | |
1979 | rem = len; | |
1980 | } | |
68dc0745 | 1981 | } |
84902520 | 1982 | else { |
5d82c453 GA |
1983 | pos += curlen; |
1984 | if (MAXARG < 3) | |
1985 | rem = curlen; | |
1986 | else if (len >= 0) { | |
1987 | rem = pos+len; | |
1988 | if (rem > (I32)curlen) | |
1989 | rem = curlen; | |
1990 | } | |
1991 | else { | |
1992 | rem = curlen+len; | |
1993 | if (rem < pos) | |
1994 | rem = pos; | |
1995 | } | |
1996 | if (pos < 0) | |
1997 | pos = 0; | |
1998 | fail = rem; | |
1999 | rem -= pos; | |
84902520 TB |
2000 | } |
2001 | if (fail < 0) { | |
599cee73 | 2002 | if (ckWARN(WARN_SUBSTR) || lvalue || repl) |
cea2e8a9 | 2003 | Perl_warner(aTHX_ WARN_SUBSTR, "substr outside of string"); |
2304df62 AD |
2004 | RETPUSHUNDEF; |
2005 | } | |
79072805 | 2006 | else { |
a0ed51b3 LW |
2007 | if (utfcurlen) |
2008 | sv_pos_u2b(sv, &pos, &rem); | |
79072805 | 2009 | tmps += pos; |
79072805 LW |
2010 | sv_setpvn(TARG, tmps, rem); |
2011 | if (lvalue) { /* it's an lvalue! */ | |
dedeecda | 2012 | if (!SvGMAGICAL(sv)) { |
2013 | if (SvROK(sv)) { | |
2d8e6c8d GS |
2014 | STRLEN n_a; |
2015 | SvPV_force(sv,n_a); | |
599cee73 | 2016 | if (ckWARN(WARN_SUBSTR)) |
cea2e8a9 | 2017 | Perl_warner(aTHX_ WARN_SUBSTR, |
599cee73 | 2018 | "Attempt to use reference as lvalue in substr"); |
dedeecda | 2019 | } |
2020 | if (SvOK(sv)) /* is it defined ? */ | |
2021 | (void)SvPOK_only(sv); | |
2022 | else | |
2023 | sv_setpvn(sv,"",0); /* avoid lexical reincarnation */ | |
2024 | } | |
5f05dabc | 2025 | |
a0d0e21e LW |
2026 | if (SvTYPE(TARG) < SVt_PVLV) { |
2027 | sv_upgrade(TARG, SVt_PVLV); | |
2028 | sv_magic(TARG, Nullsv, 'x', Nullch, 0); | |
ed6116ce | 2029 | } |
a0d0e21e | 2030 | |
5f05dabc | 2031 | LvTYPE(TARG) = 'x'; |
6ff81951 GS |
2032 | if (LvTARG(TARG) != sv) { |
2033 | if (LvTARG(TARG)) | |
2034 | SvREFCNT_dec(LvTARG(TARG)); | |
2035 | LvTARG(TARG) = SvREFCNT_inc(sv); | |
2036 | } | |
a0d0e21e | 2037 | LvTARGOFF(TARG) = pos; |
8ec5e241 | 2038 | LvTARGLEN(TARG) = rem; |
79072805 | 2039 | } |
5d82c453 | 2040 | else if (repl) |
7b8d334a | 2041 | sv_insert(sv, pos, rem, repl, repl_len); |
79072805 | 2042 | } |
849ca7ee | 2043 | SPAGAIN; |
79072805 LW |
2044 | PUSHs(TARG); /* avoid SvSETMAGIC here */ |
2045 | RETURN; | |
2046 | } | |
2047 | ||
2048 | PP(pp_vec) | |
2049 | { | |
4e35701f | 2050 | djSP; dTARGET; |
79072805 LW |
2051 | register I32 size = POPi; |
2052 | register I32 offset = POPi; | |
2053 | register SV *src = POPs; | |
533c011a | 2054 | I32 lvalue = PL_op->op_flags & OPf_MOD; |
463ee0b2 LW |
2055 | STRLEN srclen; |
2056 | unsigned char *s = (unsigned char*)SvPV(src, srclen); | |
79072805 LW |
2057 | unsigned long retnum; |
2058 | I32 len; | |
2059 | ||
20408e3c | 2060 | SvTAINTED_off(TARG); /* decontaminate */ |
79072805 LW |
2061 | offset *= size; /* turn into bit offset */ |
2062 | len = (offset + size + 7) / 8; | |
2063 | if (offset < 0 || size < 1) | |
2064 | retnum = 0; | |
79072805 | 2065 | else { |
a0d0e21e LW |
2066 | if (lvalue) { /* it's an lvalue! */ |
2067 | if (SvTYPE(TARG) < SVt_PVLV) { | |
2068 | sv_upgrade(TARG, SVt_PVLV); | |
2069 | sv_magic(TARG, Nullsv, 'v', Nullch, 0); | |
2070 | } | |
2071 | ||
2072 | LvTYPE(TARG) = 'v'; | |
6ff81951 GS |
2073 | if (LvTARG(TARG) != src) { |
2074 | if (LvTARG(TARG)) | |
2075 | SvREFCNT_dec(LvTARG(TARG)); | |
2076 | LvTARG(TARG) = SvREFCNT_inc(src); | |
2077 | } | |
8ec5e241 NIS |
2078 | LvTARGOFF(TARG) = offset; |
2079 | LvTARGLEN(TARG) = size; | |
a0d0e21e | 2080 | } |
93a17b20 | 2081 | if (len > srclen) { |
a0d0e21e LW |
2082 | if (size <= 8) |
2083 | retnum = 0; | |
2084 | else { | |
2085 | offset >>= 3; | |
748a9306 LW |
2086 | if (size == 16) { |
2087 | if (offset >= srclen) | |
2088 | retnum = 0; | |
a0d0e21e | 2089 | else |
748a9306 LW |
2090 | retnum = (unsigned long) s[offset] << 8; |
2091 | } | |
2092 | else if (size == 32) { | |
2093 | if (offset >= srclen) | |
2094 | retnum = 0; | |
2095 | else if (offset + 1 >= srclen) | |
a0d0e21e | 2096 | retnum = (unsigned long) s[offset] << 24; |
748a9306 LW |
2097 | else if (offset + 2 >= srclen) |
2098 | retnum = ((unsigned long) s[offset] << 24) + | |
2099 | ((unsigned long) s[offset + 1] << 16); | |
2100 | else | |
2101 | retnum = ((unsigned long) s[offset] << 24) + | |
2102 | ((unsigned long) s[offset + 1] << 16) + | |
2103 | (s[offset + 2] << 8); | |
a0d0e21e LW |
2104 | } |
2105 | } | |
79072805 | 2106 | } |
a0d0e21e | 2107 | else if (size < 8) |
79072805 LW |
2108 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); |
2109 | else { | |
2110 | offset >>= 3; | |
2111 | if (size == 8) | |
2112 | retnum = s[offset]; | |
2113 | else if (size == 16) | |
2114 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; | |
2115 | else if (size == 32) | |
2116 | retnum = ((unsigned long) s[offset] << 24) + | |
2117 | ((unsigned long) s[offset + 1] << 16) + | |
2118 | (s[offset + 2] << 8) + s[offset+3]; | |
2119 | } | |
79072805 LW |
2120 | } |
2121 | ||
deb3007b | 2122 | sv_setuv(TARG, (UV)retnum); |
79072805 LW |
2123 | PUSHs(TARG); |
2124 | RETURN; | |
2125 | } | |
2126 | ||
2127 | PP(pp_index) | |
2128 | { | |
4e35701f | 2129 | djSP; dTARGET; |
79072805 LW |
2130 | SV *big; |
2131 | SV *little; | |
2132 | I32 offset; | |
2133 | I32 retval; | |
2134 | char *tmps; | |
2135 | char *tmps2; | |
463ee0b2 | 2136 | STRLEN biglen; |
3280af22 | 2137 | I32 arybase = PL_curcop->cop_arybase; |
79072805 LW |
2138 | |
2139 | if (MAXARG < 3) | |
2140 | offset = 0; | |
2141 | else | |
2142 | offset = POPi - arybase; | |
2143 | little = POPs; | |
2144 | big = POPs; | |
463ee0b2 | 2145 | tmps = SvPV(big, biglen); |
a0ed51b3 LW |
2146 | if (IN_UTF8 && offset > 0) |
2147 | sv_pos_u2b(big, &offset, 0); | |
79072805 LW |
2148 | if (offset < 0) |
2149 | offset = 0; | |
93a17b20 LW |
2150 | else if (offset > biglen) |
2151 | offset = biglen; | |
79072805 | 2152 | if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset, |
411d5715 | 2153 | (unsigned char*)tmps + biglen, little, 0))) |
a0ed51b3 | 2154 | retval = -1; |
79072805 | 2155 | else |
a0ed51b3 LW |
2156 | retval = tmps2 - tmps; |
2157 | if (IN_UTF8 && retval > 0) | |
2158 | sv_pos_b2u(big, &retval); | |
2159 | PUSHi(retval + arybase); | |
79072805 LW |
2160 | RETURN; |
2161 | } | |
2162 | ||
2163 | PP(pp_rindex) | |
2164 | { | |
4e35701f | 2165 | djSP; dTARGET; |
79072805 LW |
2166 | SV *big; |
2167 | SV *little; | |
463ee0b2 LW |
2168 | STRLEN blen; |
2169 | STRLEN llen; | |
79072805 LW |
2170 | I32 offset; |
2171 | I32 retval; | |
2172 | char *tmps; | |
2173 | char *tmps2; | |
3280af22 | 2174 | I32 arybase = PL_curcop->cop_arybase; |
79072805 | 2175 | |
a0d0e21e | 2176 | if (MAXARG >= 3) |
a0ed51b3 | 2177 | offset = POPi; |
79072805 LW |
2178 | little = POPs; |
2179 | big = POPs; | |
463ee0b2 LW |
2180 | tmps2 = SvPV(little, llen); |
2181 | tmps = SvPV(big, blen); | |
79072805 | 2182 | if (MAXARG < 3) |
463ee0b2 | 2183 | offset = blen; |
a0ed51b3 LW |
2184 | else { |
2185 | if (IN_UTF8 && offset > 0) | |
2186 | sv_pos_u2b(big, &offset, 0); | |
2187 | offset = offset - arybase + llen; | |
2188 | } | |
79072805 LW |
2189 | if (offset < 0) |
2190 | offset = 0; | |
463ee0b2 LW |
2191 | else if (offset > blen) |
2192 | offset = blen; | |
79072805 | 2193 | if (!(tmps2 = rninstr(tmps, tmps + offset, |
463ee0b2 | 2194 | tmps2, tmps2 + llen))) |
a0ed51b3 | 2195 | retval = -1; |
79072805 | 2196 | else |
a0ed51b3 LW |
2197 | retval = tmps2 - tmps; |
2198 | if (IN_UTF8 && retval > 0) | |
2199 | sv_pos_b2u(big, &retval); | |
2200 | PUSHi(retval + arybase); | |
79072805 LW |
2201 | RETURN; |
2202 | } | |
2203 | ||
2204 | PP(pp_sprintf) | |
2205 | { | |
4e35701f | 2206 | djSP; dMARK; dORIGMARK; dTARGET; |
79072805 | 2207 | do_sprintf(TARG, SP-MARK, MARK+1); |
bbce6d69 | 2208 | TAINT_IF(SvTAINTED(TARG)); |
79072805 LW |
2209 | SP = ORIGMARK; |
2210 | PUSHTARG; | |
2211 | RETURN; | |
2212 | } | |
2213 | ||
79072805 LW |
2214 | PP(pp_ord) |
2215 | { | |
4e35701f | 2216 | djSP; dTARGET; |
bdeef251 | 2217 | UV value; |
2d8e6c8d GS |
2218 | STRLEN n_a; |
2219 | U8 *tmps = (U8*)POPpx; | |
a0ed51b3 | 2220 | I32 retlen; |
79072805 | 2221 | |
a0ed51b3 | 2222 | if (IN_UTF8 && (*tmps & 0x80)) |
bdeef251 | 2223 | value = utf8_to_uv(tmps, &retlen); |
a0ed51b3 | 2224 | else |
bdeef251 GA |
2225 | value = (UV)(*tmps & 255); |
2226 | XPUSHu(value); | |
79072805 LW |
2227 | RETURN; |
2228 | } | |
2229 | ||
463ee0b2 LW |
2230 | PP(pp_chr) |
2231 | { | |
4e35701f | 2232 | djSP; dTARGET; |
463ee0b2 | 2233 | char *tmps; |
3b9be786 | 2234 | U32 value = POPu; |
463ee0b2 | 2235 | |
748a9306 | 2236 | (void)SvUPGRADE(TARG,SVt_PV); |
a0ed51b3 LW |
2237 | |
2238 | if (IN_UTF8 && value >= 128) { | |
2239 | SvGROW(TARG,8); | |
2240 | tmps = SvPVX(TARG); | |
dfe13c55 | 2241 | tmps = (char*)uv_to_utf8((U8*)tmps, (UV)value); |
a0ed51b3 LW |
2242 | SvCUR_set(TARG, tmps - SvPVX(TARG)); |
2243 | *tmps = '\0'; | |
2244 | (void)SvPOK_only(TARG); | |
2245 | XPUSHs(TARG); | |
2246 | RETURN; | |
2247 | } | |
2248 | ||
748a9306 | 2249 | SvGROW(TARG,2); |
463ee0b2 LW |
2250 | SvCUR_set(TARG, 1); |
2251 | tmps = SvPVX(TARG); | |
a0ed51b3 | 2252 | *tmps++ = value; |
748a9306 | 2253 | *tmps = '\0'; |
a0d0e21e | 2254 | (void)SvPOK_only(TARG); |
463ee0b2 LW |
2255 | XPUSHs(TARG); |
2256 | RETURN; | |
2257 | } | |
2258 | ||
79072805 LW |
2259 | PP(pp_crypt) |
2260 | { | |
4e35701f | 2261 | djSP; dTARGET; dPOPTOPssrl; |
2d8e6c8d | 2262 | STRLEN n_a; |
79072805 | 2263 | #ifdef HAS_CRYPT |
2d8e6c8d | 2264 | char *tmps = SvPV(left, n_a); |
79072805 | 2265 | #ifdef FCRYPT |
2d8e6c8d | 2266 | sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a))); |
79072805 | 2267 | #else |
2d8e6c8d | 2268 | sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a))); |
79072805 LW |
2269 | #endif |
2270 | #else | |
cea2e8a9 | 2271 | DIE(aTHX_ |
79072805 LW |
2272 | "The crypt() function is unimplemented due to excessive paranoia."); |
2273 | #endif | |
2274 | SETs(TARG); | |
2275 | RETURN; | |
2276 | } | |
2277 | ||
2278 | PP(pp_ucfirst) | |
2279 | { | |
4e35701f | 2280 | djSP; |
79072805 | 2281 | SV *sv = TOPs; |
a0ed51b3 LW |
2282 | register U8 *s; |
2283 | STRLEN slen; | |
2284 | ||
dfe13c55 | 2285 | if (IN_UTF8 && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
a0ed51b3 LW |
2286 | I32 ulen; |
2287 | U8 tmpbuf[10]; | |
2288 | U8 *tend; | |
2289 | UV uv = utf8_to_uv(s, &ulen); | |
2290 | ||
2291 | if (PL_op->op_private & OPpLOCALE) { | |
2292 | TAINT; | |
2293 | SvTAINTED_on(sv); | |
2294 | uv = toTITLE_LC_uni(uv); | |
2295 | } | |
2296 | else | |
2297 | uv = toTITLE_utf8(s); | |
2298 | ||
2299 | tend = uv_to_utf8(tmpbuf, uv); | |
2300 | ||
2301 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen) { | |
2302 | dTARGET; | |
dfe13c55 GS |
2303 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
2304 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
a0ed51b3 LW |
2305 | SETs(TARG); |
2306 | } | |
2307 | else { | |
dfe13c55 | 2308 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
2309 | Copy(tmpbuf, s, ulen, U8); |
2310 | } | |
a0ed51b3 | 2311 | } |
626727d5 | 2312 | else { |
31351b04 JS |
2313 | if (!SvPADTMP(sv)) { |
2314 | dTARGET; | |
2315 | sv_setsv(TARG, sv); | |
2316 | sv = TARG; | |
2317 | SETs(sv); | |
2318 | } | |
2319 | s = (U8*)SvPV_force(sv, slen); | |
2320 | if (*s) { | |
2321 | if (PL_op->op_private & OPpLOCALE) { | |
2322 | TAINT; | |
2323 | SvTAINTED_on(sv); | |
2324 | *s = toUPPER_LC(*s); | |
2325 | } | |
2326 | else | |
2327 | *s = toUPPER(*s); | |
bbce6d69 | 2328 | } |
bbce6d69 | 2329 | } |
31351b04 JS |
2330 | if (SvSMAGICAL(sv)) |
2331 | mg_set(sv); | |
79072805 LW |
2332 | RETURN; |
2333 | } | |
2334 | ||
2335 | PP(pp_lcfirst) | |
2336 | { | |
4e35701f | 2337 | djSP; |
79072805 | 2338 | SV *sv = TOPs; |
a0ed51b3 LW |
2339 | register U8 *s; |
2340 | STRLEN slen; | |
2341 | ||
dfe13c55 | 2342 | if (IN_UTF8 && (s = (U8*)SvPV(sv, slen)) && slen && (*s & 0xc0) == 0xc0) { |
a0ed51b3 LW |
2343 | I32 ulen; |
2344 | U8 tmpbuf[10]; | |
2345 | U8 *tend; | |
2346 | UV uv = utf8_to_uv(s, &ulen); | |
2347 | ||
2348 | if (PL_op->op_private & OPpLOCALE) { | |
2349 | TAINT; | |
2350 | SvTAINTED_on(sv); | |
2351 | uv = toLOWER_LC_uni(uv); | |
2352 | } | |
2353 | else | |
2354 | uv = toLOWER_utf8(s); | |
2355 | ||
2356 | tend = uv_to_utf8(tmpbuf, uv); | |
2357 | ||
2358 | if (!SvPADTMP(sv) || tend - tmpbuf != ulen) { | |
2359 | dTARGET; | |
dfe13c55 GS |
2360 | sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf); |
2361 | sv_catpvn(TARG, (char*)(s + ulen), slen - ulen); | |
a0ed51b3 LW |
2362 | SETs(TARG); |
2363 | } | |
2364 | else { | |
dfe13c55 | 2365 | s = (U8*)SvPV_force(sv, slen); |
a0ed51b3 LW |
2366 | Copy(tmpbuf, s, ulen, U8); |
2367 | } | |
a0ed51b3 | 2368 | } |
626727d5 | 2369 | else { |
31351b04 JS |
2370 | if (!SvPADTMP(sv)) { |
2371 | dTARGET; | |
2372 | sv_setsv(TARG, sv); | |
2373 | sv = TARG; | |
2374 | SETs(sv); | |
2375 | } | |
2376 | s = (U8*)SvPV_force(sv, slen); | |
2377 | if (*s) { | |
2378 | if (PL_op->op_private & OPpLOCALE) { | |
2379 | TAINT; | |
2380 | SvTAINTED_on(sv); | |
2381 | *s = toLOWER_LC(*s); | |
2382 | } | |
2383 | else | |
2384 | *s = toLOWER(*s); | |
bbce6d69 | 2385 | } |
31351b04 | 2386 | SETs(sv); |
bbce6d69 | 2387 | } |
31351b04 JS |
2388 | if (SvSMAGICAL(sv)) |
2389 | mg_set(sv); | |
79072805 LW |
2390 | RETURN; |
2391 | } | |
2392 | ||
2393 | PP(pp_uc) | |
2394 | { | |
4e35701f | 2395 | djSP; |
79072805 | 2396 | SV *sv = TOPs; |
a0ed51b3 | 2397 | register U8 *s; |
463ee0b2 | 2398 | STRLEN len; |
79072805 | 2399 | |
a0ed51b3 LW |
2400 | if (IN_UTF8) { |
2401 | dTARGET; | |
2402 | I32 ulen; | |
2403 | register U8 *d; | |
2404 | U8 *send; | |
2405 | ||
dfe13c55 | 2406 | s = (U8*)SvPV(sv,len); |
a5a20234 LW |
2407 | if (!len) { |
2408 | sv_setpvn(TARG, "", 0); | |
2409 | SETs(TARG); | |
a0ed51b3 LW |
2410 | } |
2411 | else { | |
31351b04 JS |
2412 | (void)SvUPGRADE(TARG, SVt_PV); |
2413 | SvGROW(TARG, (len * 2) + 1); | |
2414 | (void)SvPOK_only(TARG); | |
2415 | d = (U8*)SvPVX(TARG); | |
2416 | send = s + len; | |
2417 | if (PL_op->op_private & OPpLOCALE) { | |
2418 | TAINT; | |
2419 | SvTAINTED_on(TARG); | |
2420 | while (s < send) { | |
2421 | d = uv_to_utf8(d, toUPPER_LC_uni( utf8_to_uv(s, &ulen))); | |
2422 | s += ulen; | |
2423 | } | |
a0ed51b3 | 2424 | } |
31351b04 JS |
2425 | else { |
2426 | while (s < send) { | |
2427 | d = uv_to_utf8(d, toUPPER_utf8( s )); | |
2428 | s += UTF8SKIP(s); | |
2429 | } | |
a0ed51b3 | 2430 | } |
31351b04 JS |
2431 | *d = '\0'; |
2432 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); | |
2433 | SETs(TARG); | |
a0ed51b3 | 2434 | } |
a0ed51b3 | 2435 | } |
626727d5 | 2436 | else { |
31351b04 JS |
2437 | if (!SvPADTMP(sv)) { |
2438 | dTARGET; | |
2439 | sv_setsv(TARG, sv); | |
2440 | sv = TARG; | |
2441 | SETs(sv); | |
2442 | } | |
2443 | s = (U8*)SvPV_force(sv, len); | |
2444 | if (len) { | |
2445 | register U8 *send = s + len; | |
2446 | ||
2447 | if (PL_op->op_private & OPpLOCALE) { | |
2448 | TAINT; | |
2449 | SvTAINTED_on(sv); | |
2450 | for (; s < send; s++) | |
2451 | *s = toUPPER_LC(*s); | |
2452 | } | |
2453 | else { | |
2454 | for (; s < send; s++) | |
2455 | *s = toUPPER(*s); | |
2456 | } | |
bbce6d69 | 2457 | } |
79072805 | 2458 | } |
31351b04 JS |
2459 | if (SvSMAGICAL(sv)) |
2460 | mg_set(sv); | |
79072805 LW |
2461 | RETURN; |
2462 | } | |
2463 | ||
2464 | PP(pp_lc) | |
2465 | { | |
4e35701f | 2466 | djSP; |
79072805 | 2467 | SV *sv = TOPs; |
a0ed51b3 | 2468 | register U8 *s; |
463ee0b2 | 2469 | STRLEN len; |
79072805 | 2470 | |
a0ed51b3 LW |
2471 | if (IN_UTF8) { |
2472 | dTARGET; | |
2473 | I32 ulen; | |
2474 | register U8 *d; | |
2475 | U8 *send; | |
2476 | ||
dfe13c55 | 2477 | s = (U8*)SvPV(sv,len); |
a5a20234 LW |
2478 | if (!len) { |
2479 | sv_setpvn(TARG, "", 0); | |
2480 | SETs(TARG); | |
a0ed51b3 LW |
2481 | } |
2482 | else { | |
31351b04 JS |
2483 | (void)SvUPGRADE(TARG, SVt_PV); |
2484 | SvGROW(TARG, (len * 2) + 1); | |
2485 | (void)SvPOK_only(TARG); | |
2486 | d = (U8*)SvPVX(TARG); | |
2487 | send = s + len; | |
2488 | if (PL_op->op_private & OPpLOCALE) { | |
2489 | TAINT; | |
2490 | SvTAINTED_on(TARG); | |
2491 | while (s < send) { | |
2492 | d = uv_to_utf8(d, toLOWER_LC_uni( utf8_to_uv(s, &ulen))); | |
2493 | s += ulen; | |
2494 | } | |
a0ed51b3 | 2495 | } |
31351b04 JS |
2496 | else { |
2497 | while (s < send) { | |
2498 | d = uv_to_utf8(d, toLOWER_utf8(s)); | |
2499 | s += UTF8SKIP(s); | |
2500 | } | |
a0ed51b3 | 2501 | } |
31351b04 JS |
2502 | *d = '\0'; |
2503 | SvCUR_set(TARG, d - (U8*)SvPVX(TARG)); | |
2504 | SETs(TARG); | |
a0ed51b3 | 2505 | } |
79072805 | 2506 | } |
626727d5 | 2507 | else { |
31351b04 JS |
2508 | if (!SvPADTMP(sv)) { |
2509 | dTARGET; | |
2510 | sv_setsv(TARG, sv); | |
2511 | sv = TARG; | |
2512 | SETs(sv); | |
a0ed51b3 | 2513 | } |
bbce6d69 | 2514 | |
31351b04 JS |
2515 | s = (U8*)SvPV_force(sv, len); |
2516 | if (len) { | |
2517 | register U8 *send = s + len; | |
bbce6d69 | 2518 | |
31351b04 JS |
2519 | if (PL_op->op_private & OPpLOCALE) { |
2520 | TAINT; | |
2521 | SvTAINTED_on(sv); | |
2522 | for (; s < send; s++) | |
2523 | *s = toLOWER_LC(*s); | |
2524 | } | |
2525 | else { | |
2526 | for (; s < send; s++) | |
2527 | *s = toLOWER(*s); | |
2528 | } | |
bbce6d69 | 2529 | } |
79072805 | 2530 | } |
31351b04 JS |
2531 | if (SvSMAGICAL(sv)) |
2532 | mg_set(sv); | |
79072805 LW |
2533 | RETURN; |
2534 | } | |
2535 | ||
a0d0e21e | 2536 | PP(pp_quotemeta) |
79072805 | 2537 | { |
4e35701f | 2538 | djSP; dTARGET; |
a0d0e21e LW |
2539 | SV *sv = TOPs; |
2540 | STRLEN len; | |
2541 | register char *s = SvPV(sv,len); | |
2542 | register char *d; | |
79072805 | 2543 | |
a0d0e21e LW |
2544 | if (len) { |
2545 | (void)SvUPGRADE(TARG, SVt_PV); | |
c07a80fd | 2546 | SvGROW(TARG, (len * 2) + 1); |
a0d0e21e | 2547 | d = SvPVX(TARG); |
0dd2cdef LW |
2548 | if (IN_UTF8) { |
2549 | while (len) { | |
2550 | if (*s & 0x80) { | |
2551 | STRLEN ulen = UTF8SKIP(s); | |
2552 | if (ulen > len) | |
2553 | ulen = len; | |
2554 | len -= ulen; | |
2555 | while (ulen--) | |
2556 | *d++ = *s++; | |
2557 | } | |
2558 | else { | |
2559 | if (!isALNUM(*s)) | |
2560 | *d++ = '\\'; | |
2561 | *d++ = *s++; | |
2562 | len--; | |
2563 | } | |
2564 | } | |
2565 | } | |
2566 | else { | |
2567 | while (len--) { | |
2568 | if (!isALNUM(*s)) | |
2569 | *d++ = '\\'; | |
2570 | *d++ = *s++; | |
2571 | } | |
79072805 | 2572 | } |
a0d0e21e LW |
2573 | *d = '\0'; |
2574 | SvCUR_set(TARG, d - SvPVX(TARG)); | |
2575 | (void)SvPOK_only(TARG); | |
79072805 | 2576 | } |
a0d0e21e LW |
2577 | else |
2578 | sv_setpvn(TARG, s, len); | |
2579 | SETs(TARG); | |
31351b04 JS |
2580 | if (SvSMAGICAL(TARG)) |
2581 | mg_set(TARG); | |
79072805 LW |
2582 | RETURN; |
2583 | } | |
2584 | ||
a0d0e21e | 2585 | /* Arrays. */ |
79072805 | 2586 | |
a0d0e21e | 2587 | PP(pp_aslice) |
79072805 | 2588 | { |
4e35701f | 2589 | djSP; dMARK; dORIGMARK; |
a0d0e21e LW |
2590 | register SV** svp; |
2591 | register AV* av = (AV*)POPs; | |
533c011a | 2592 | register I32 lval = PL_op->op_flags & OPf_MOD; |
3280af22 | 2593 | I32 arybase = PL_curcop->cop_arybase; |
748a9306 | 2594 | I32 elem; |
79072805 | 2595 | |
a0d0e21e | 2596 | if (SvTYPE(av) == SVt_PVAV) { |
533c011a | 2597 | if (lval && PL_op->op_private & OPpLVAL_INTRO) { |
748a9306 | 2598 | I32 max = -1; |
924508f0 | 2599 | for (svp = MARK + 1; svp <= SP; svp++) { |
748a9306 LW |
2600 | elem = SvIVx(*svp); |
2601 | if (elem > max) | |
2602 | max = elem; | |
2603 | } | |
2604 | if (max > AvMAX(av)) | |
2605 | av_extend(av, max); | |
2606 | } | |
a0d0e21e | 2607 | while (++MARK <= SP) { |
748a9306 | 2608 | elem = SvIVx(*MARK); |
a0d0e21e | 2609 | |
748a9306 LW |
2610 | if (elem > 0) |
2611 | elem -= arybase; | |
a0d0e21e LW |
2612 | svp = av_fetch(av, elem, lval); |
2613 | if (lval) { | |
3280af22 | 2614 | if (!svp || *svp == &PL_sv_undef) |
cea2e8a9 | 2615 | DIE(aTHX_ PL_no_aelem, elem); |
533c011a | 2616 | if (PL_op->op_private & OPpLVAL_INTRO) |
161b7d16 | 2617 | save_aelem(av, elem, svp); |
79072805 | 2618 | } |
3280af22 | 2619 | *MARK = svp ? *svp : &PL_sv_undef; |
79072805 LW |
2620 | } |
2621 | } | |
748a9306 | 2622 | if (GIMME != G_ARRAY) { |
a0d0e21e LW |
2623 | MARK = ORIGMARK; |
2624 | *++MARK = *SP; | |
2625 | SP = MARK; | |
2626 | } | |
79072805 LW |
2627 | RETURN; |
2628 | } | |
2629 | ||
2630 | /* Associative arrays. */ | |
2631 | ||
2632 | PP(pp_each) | |
2633 | { | |
59af0135 | 2634 | djSP; |
79072805 | 2635 | HV *hash = (HV*)POPs; |
c07a80fd | 2636 | HE *entry; |
54310121 | 2637 | I32 gimme = GIMME_V; |
c750a3ec | 2638 | I32 realhv = (SvTYPE(hash) == SVt_PVHV); |
8ec5e241 | 2639 | |
c07a80fd | 2640 | PUTBACK; |
c750a3ec MB |
2641 | /* might clobber stack_sp */ |
2642 | entry = realhv ? hv_iternext(hash) : avhv_iternext((AV*)hash); | |
c07a80fd | 2643 | SPAGAIN; |
79072805 | 2644 | |
79072805 LW |
2645 | EXTEND(SP, 2); |
2646 | if (entry) { | |
54310121 | 2647 | PUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
2648 | if (gimme == G_ARRAY) { | |
59af0135 | 2649 | SV *val; |
c07a80fd | 2650 | PUTBACK; |
c750a3ec | 2651 | /* might clobber stack_sp */ |
59af0135 GS |
2652 | val = realhv ? |
2653 | hv_iterval(hash, entry) : avhv_iterval((AV*)hash, entry); | |
c07a80fd | 2654 | SPAGAIN; |
59af0135 | 2655 | PUSHs(val); |
79072805 | 2656 | } |
79072805 | 2657 | } |
54310121 | 2658 | else if (gimme == G_SCALAR) |
79072805 LW |
2659 | RETPUSHUNDEF; |
2660 | ||
2661 | RETURN; | |
2662 | } | |
2663 | ||
2664 | PP(pp_values) | |
2665 | { | |
cea2e8a9 | 2666 | return do_kv(); |
79072805 LW |
2667 | } |
2668 | ||
2669 | PP(pp_keys) | |
2670 | { | |
cea2e8a9 | 2671 | return do_kv(); |
79072805 LW |
2672 | } |
2673 | ||
2674 | PP(pp_delete) | |
2675 | { | |
4e35701f | 2676 | djSP; |
54310121 | 2677 | I32 gimme = GIMME_V; |
2678 | I32 discard = (gimme == G_VOID) ? G_DISCARD : 0; | |
79072805 | 2679 | SV *sv; |
5f05dabc | 2680 | HV *hv; |
2681 | ||
533c011a | 2682 | if (PL_op->op_private & OPpSLICE) { |
5f05dabc | 2683 | dMARK; dORIGMARK; |
97fcbf96 | 2684 | U32 hvtype; |
5f05dabc | 2685 | hv = (HV*)POPs; |
97fcbf96 | 2686 | hvtype = SvTYPE(hv); |
5f05dabc | 2687 | while (++MARK <= SP) { |
ae77835f MB |
2688 | if (hvtype == SVt_PVHV) |
2689 | sv = hv_delete_ent(hv, *MARK, discard, 0); | |
ae77835f | 2690 | else |
cea2e8a9 | 2691 | DIE(aTHX_ "Not a HASH reference"); |
3280af22 | 2692 | *MARK = sv ? sv : &PL_sv_undef; |
5f05dabc | 2693 | } |
54310121 | 2694 | if (discard) |
2695 | SP = ORIGMARK; | |
2696 | else if (gimme == G_SCALAR) { | |
5f05dabc | 2697 | MARK = ORIGMARK; |
2698 | *++MARK = *SP; | |
2699 | SP = MARK; | |
2700 | } | |
2701 | } | |
2702 | else { | |
2703 | SV *keysv = POPs; | |
2704 | hv = (HV*)POPs; | |
97fcbf96 MB |
2705 | if (SvTYPE(hv) == SVt_PVHV) |
2706 | sv = hv_delete_ent(hv, keysv, discard, 0); | |
97fcbf96 | 2707 | else |
cea2e8a9 | 2708 | DIE(aTHX_ "Not a HASH reference"); |
5f05dabc | 2709 | if (!sv) |
3280af22 | 2710 | sv = &PL_sv_undef; |
54310121 | 2711 | if (!discard) |
2712 | PUSHs(sv); | |
79072805 | 2713 | } |
79072805 LW |
2714 | RETURN; |
2715 | } | |
2716 | ||
a0d0e21e | 2717 | PP(pp_exists) |
79072805 | 2718 | { |
4e35701f | 2719 | djSP; |
a0d0e21e LW |
2720 | SV *tmpsv = POPs; |
2721 | HV *hv = (HV*)POPs; | |
c750a3ec | 2722 | if (SvTYPE(hv) == SVt_PVHV) { |
ae77835f | 2723 | if (hv_exists_ent(hv, tmpsv, 0)) |
c750a3ec | 2724 | RETPUSHYES; |
ef54e1a4 JH |
2725 | } |
2726 | else if (SvTYPE(hv) == SVt_PVAV) { | |
ae77835f | 2727 | if (avhv_exists_ent((AV*)hv, tmpsv, 0)) |
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); | |
599cee73 | 2866 | else if (ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 2867 | Perl_warner(aTHX_ WARN_UNSAFE, "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 | } | |
3175 | SP = oldsp; | |
79072805 LW |
3176 | } |
3177 | else { | |
a0d0e21e LW |
3178 | register char *up; |
3179 | register char *down; | |
3180 | register I32 tmp; | |
3181 | dTARGET; | |
3182 | STRLEN len; | |
79072805 | 3183 | |
a0d0e21e | 3184 | if (SP - MARK > 1) |
3280af22 | 3185 | do_join(TARG, &PL_sv_no, MARK, SP); |
a0d0e21e | 3186 | else |
54b9620d | 3187 | sv_setsv(TARG, (SP > MARK) ? *SP : DEFSV); |
a0d0e21e LW |
3188 | up = SvPV_force(TARG, len); |
3189 | if (len > 1) { | |
a0ed51b3 | 3190 | if (IN_UTF8) { /* first reverse each character */ |
dfe13c55 GS |
3191 | U8* s = (U8*)SvPVX(TARG); |
3192 | U8* send = (U8*)(s + len); | |
a0ed51b3 LW |
3193 | while (s < send) { |
3194 | if (*s < 0x80) { | |
3195 | s++; | |
3196 | continue; | |
3197 | } | |
3198 | else { | |
dfe13c55 | 3199 | up = (char*)s; |
a0ed51b3 | 3200 | s += UTF8SKIP(s); |
dfe13c55 | 3201 | down = (char*)(s - 1); |
f248d071 GS |
3202 | if (s > send || !((*down & 0xc0) == 0x80)) { |
3203 | if (ckWARN_d(WARN_UTF8)) | |
3204 | Perl_warner(aTHX_ WARN_UTF8, | |
3205 | "Malformed UTF-8 character"); | |
a0ed51b3 LW |
3206 | break; |
3207 | } | |
3208 | while (down > up) { | |
3209 | tmp = *up; | |
3210 | *up++ = *down; | |
3211 | *down-- = tmp; | |
3212 | } | |
3213 | } | |
3214 | } | |
3215 | up = SvPVX(TARG); | |
3216 | } | |
a0d0e21e LW |
3217 | down = SvPVX(TARG) + len - 1; |
3218 | while (down > up) { | |
3219 | tmp = *up; | |
3220 | *up++ = *down; | |
3221 | *down-- = tmp; | |
3222 | } | |
3223 | (void)SvPOK_only(TARG); | |
79072805 | 3224 | } |
a0d0e21e LW |
3225 | SP = MARK + 1; |
3226 | SETTARG; | |
79072805 | 3227 | } |
a0d0e21e | 3228 | RETURN; |
79072805 LW |
3229 | } |
3230 | ||
864dbfa3 | 3231 | STATIC SV * |
cea2e8a9 | 3232 | S_mul128(pTHX_ SV *sv, U8 m) |
55497cff | 3233 | { |
3234 | STRLEN len; | |
3235 | char *s = SvPV(sv, len); | |
3236 | char *t; | |
3237 | U32 i = 0; | |
3238 | ||
3239 | if (!strnEQ(s, "0000", 4)) { /* need to grow sv */ | |
79cb57f6 | 3240 | SV *tmpNew = newSVpvn("0000000000", 10); |
55497cff | 3241 | |
09b7f37c | 3242 | sv_catsv(tmpNew, sv); |
55497cff | 3243 | SvREFCNT_dec(sv); /* free old sv */ |
09b7f37c | 3244 | sv = tmpNew; |
55497cff | 3245 | s = SvPV(sv, len); |
3246 | } | |
3247 | t = s + len - 1; | |
3248 | while (!*t) /* trailing '\0'? */ | |
3249 | t--; | |
3250 | while (t > s) { | |
3251 | i = ((*t - '0') << 7) + m; | |
3252 | *(t--) = '0' + (i % 10); | |
3253 | m = i / 10; | |
3254 | } | |
3255 | return (sv); | |
3256 | } | |
3257 | ||
a0d0e21e LW |
3258 | /* Explosives and implosives. */ |
3259 | ||
9d116dd7 JH |
3260 | #if 'I' == 73 && 'J' == 74 |
3261 | /* On an ASCII/ISO kind of system */ | |
ba1ac976 | 3262 | #define ISUUCHAR(ch) ((ch) >= ' ' && (ch) < 'a') |
9d116dd7 JH |
3263 | #else |
3264 | /* | |
3265 | Some other sort of character set - use memchr() so we don't match | |
3266 | the null byte. | |
3267 | */ | |
80252599 | 3268 | #define ISUUCHAR(ch) (memchr(PL_uuemap, (ch), sizeof(PL_uuemap)-1) || (ch) == ' ') |
9d116dd7 JH |
3269 | #endif |
3270 | ||
a0d0e21e | 3271 | PP(pp_unpack) |
79072805 | 3272 | { |
4e35701f | 3273 | djSP; |
a0d0e21e | 3274 | dPOPPOPssrl; |
924508f0 | 3275 | SV **oldsp = SP; |
54310121 | 3276 | I32 gimme = GIMME_V; |
ed6116ce | 3277 | SV *sv; |
a0d0e21e LW |
3278 | STRLEN llen; |
3279 | STRLEN rlen; | |
3280 | register char *pat = SvPV(left, llen); | |
3281 | register char *s = SvPV(right, rlen); | |
3282 | char *strend = s + rlen; | |
3283 | char *strbeg = s; | |
3284 | register char *patend = pat + llen; | |
3285 | I32 datumtype; | |
3286 | register I32 len; | |
3287 | register I32 bits; | |
79072805 | 3288 | |
a0d0e21e LW |
3289 | /* These must not be in registers: */ |
3290 | I16 ashort; | |
3291 | int aint; | |
3292 | I32 along; | |
ecfc5424 AD |
3293 | #ifdef HAS_QUAD |
3294 | Quad_t aquad; | |
a0d0e21e LW |
3295 | #endif |
3296 | U16 aushort; | |
3297 | unsigned int auint; | |
3298 | U32 aulong; | |
ecfc5424 | 3299 | #ifdef HAS_QUAD |
e862df63 | 3300 | Uquad_t auquad; |
a0d0e21e LW |
3301 | #endif |
3302 | char *aptr; | |
3303 | float afloat; | |
3304 | double adouble; | |
3305 | I32 checksum = 0; | |
3306 | register U32 culong; | |
65202027 | 3307 | NV cdouble; |
fb73857a | 3308 | int commas = 0; |
726ea183 | 3309 | #ifdef PERL_NATINT_PACK |
ef54e1a4 JH |
3310 | int natint; /* native integer */ |
3311 | int unatint; /* unsigned native integer */ | |
726ea183 | 3312 | #endif |
79072805 | 3313 | |
54310121 | 3314 | if (gimme != G_ARRAY) { /* arrange to do first one only */ |
a0d0e21e LW |
3315 | /*SUPPRESS 530*/ |
3316 | for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ; | |
5a929a98 | 3317 | if (strchr("aAZbBhHP", *patend) || *pat == '%') { |
a0d0e21e LW |
3318 | patend++; |
3319 | while (isDIGIT(*patend) || *patend == '*') | |
3320 | patend++; | |
3321 | } | |
3322 | else | |
3323 | patend++; | |
79072805 | 3324 | } |
a0d0e21e LW |
3325 | while (pat < patend) { |
3326 | reparse: | |
bbdab043 | 3327 | datumtype = *pat++ & 0xFF; |
726ea183 | 3328 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 3329 | natint = 0; |
726ea183 | 3330 | #endif |
bbdab043 CS |
3331 | if (isSPACE(datumtype)) |
3332 | continue; | |
f61d411c | 3333 | if (*pat == '!') { |
ef54e1a4 JH |
3334 | char *natstr = "sSiIlL"; |
3335 | ||
3336 | if (strchr(natstr, datumtype)) { | |
726ea183 | 3337 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 3338 | natint = 1; |
726ea183 | 3339 | #endif |
ef54e1a4 JH |
3340 | pat++; |
3341 | } | |
3342 | else | |
cea2e8a9 | 3343 | Perl_croak(aTHX_ "'!' allowed only after types %s", natstr); |
ef54e1a4 | 3344 | } |
a0d0e21e LW |
3345 | if (pat >= patend) |
3346 | len = 1; | |
3347 | else if (*pat == '*') { | |
3348 | len = strend - strbeg; /* long enough */ | |
3349 | pat++; | |
3350 | } | |
3351 | else if (isDIGIT(*pat)) { | |
3352 | len = *pat++ - '0'; | |
06387354 | 3353 | while (isDIGIT(*pat)) { |
a0d0e21e | 3354 | len = (len * 10) + (*pat++ - '0'); |
06387354 NT |
3355 | if (len < 0) |
3356 | Perl_croak(aTHX_ "Repeat count in unpack overflows"); | |
3357 | } | |
a0d0e21e LW |
3358 | } |
3359 | else | |
3360 | len = (datumtype != '@'); | |
3361 | switch(datumtype) { | |
3362 | default: | |
cea2e8a9 | 3363 | Perl_croak(aTHX_ "Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 3364 | case ',': /* grandfather in commas but with a warning */ |
599cee73 | 3365 | if (commas++ == 0 && ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 3366 | Perl_warner(aTHX_ WARN_UNSAFE, "Invalid type in unpack: '%c'", (int)datumtype); |
fb73857a | 3367 | break; |
a0d0e21e LW |
3368 | case '%': |
3369 | if (len == 1 && pat[-1] != '1') | |
3370 | len = 16; | |
3371 | checksum = len; | |
3372 | culong = 0; | |
3373 | cdouble = 0; | |
3374 | if (pat < patend) | |
3375 | goto reparse; | |
3376 | break; | |
3377 | case '@': | |
3378 | if (len > strend - strbeg) | |
cea2e8a9 | 3379 | DIE(aTHX_ "@ outside of string"); |
a0d0e21e LW |
3380 | s = strbeg + len; |
3381 | break; | |
3382 | case 'X': | |
3383 | if (len > s - strbeg) | |
cea2e8a9 | 3384 | DIE(aTHX_ "X outside of string"); |
a0d0e21e LW |
3385 | s -= len; |
3386 | break; | |
3387 | case 'x': | |
3388 | if (len > strend - s) | |
cea2e8a9 | 3389 | DIE(aTHX_ "x outside of string"); |
a0d0e21e LW |
3390 | s += len; |
3391 | break; | |
43192e07 IP |
3392 | case '#': |
3393 | if (oldsp >= SP) | |
3394 | DIE(aTHX_ "# must follow a numeric type"); | |
3395 | if (*pat != 'a' && *pat != 'A' && *pat != 'Z') | |
3396 | DIE(aTHX_ "# must be followed by a, A or Z"); | |
3397 | datumtype = *pat++; | |
3398 | if (*pat == '*') | |
3399 | pat++; /* ignore '*' for compatibility with pack */ | |
3400 | if (isDIGIT(*pat)) | |
3401 | DIE(aTHX_ "# cannot take a count" ); | |
3402 | len = POPi; | |
3403 | /* drop through */ | |
a0d0e21e | 3404 | case 'A': |
5a929a98 | 3405 | case 'Z': |
a0d0e21e LW |
3406 | case 'a': |
3407 | if (len > strend - s) | |
3408 | len = strend - s; | |
3409 | if (checksum) | |
3410 | goto uchar_checksum; | |
3411 | sv = NEWSV(35, len); | |
3412 | sv_setpvn(sv, s, len); | |
3413 | s += len; | |
5a929a98 | 3414 | if (datumtype == 'A' || datumtype == 'Z') { |
a0d0e21e | 3415 | aptr = s; /* borrow register */ |
5a929a98 VU |
3416 | if (datumtype == 'Z') { /* 'Z' strips stuff after first null */ |
3417 | s = SvPVX(sv); | |
3418 | while (*s) | |
3419 | s++; | |
3420 | } | |
3421 | else { /* 'A' strips both nulls and spaces */ | |
3422 | s = SvPVX(sv) + len - 1; | |
3423 | while (s >= SvPVX(sv) && (!*s || isSPACE(*s))) | |
3424 | s--; | |
3425 | *++s = '\0'; | |
3426 | } | |
a0d0e21e LW |
3427 | SvCUR_set(sv, s - SvPVX(sv)); |
3428 | s = aptr; /* unborrow register */ | |
3429 | } | |
3430 | XPUSHs(sv_2mortal(sv)); | |
3431 | break; | |
3432 | case 'B': | |
3433 | case 'b': | |
3434 | if (pat[-1] == '*' || len > (strend - s) * 8) | |
3435 | len = (strend - s) * 8; | |
3436 | if (checksum) { | |
80252599 GS |
3437 | if (!PL_bitcount) { |
3438 | Newz(601, PL_bitcount, 256, char); | |
a0d0e21e | 3439 | for (bits = 1; bits < 256; bits++) { |
80252599 GS |
3440 | if (bits & 1) PL_bitcount[bits]++; |
3441 | if (bits & 2) PL_bitcount[bits]++; | |
3442 | if (bits & 4) PL_bitcount[bits]++; | |
3443 | if (bits & 8) PL_bitcount[bits]++; | |
3444 | if (bits & 16) PL_bitcount[bits]++; | |
3445 | if (bits & 32) PL_bitcount[bits]++; | |
3446 | if (bits & 64) PL_bitcount[bits]++; | |
3447 | if (bits & 128) PL_bitcount[bits]++; | |
a0d0e21e LW |
3448 | } |
3449 | } | |
3450 | while (len >= 8) { | |
80252599 | 3451 | culong += PL_bitcount[*(unsigned char*)s++]; |
a0d0e21e LW |
3452 | len -= 8; |
3453 | } | |
3454 | if (len) { | |
3455 | bits = *s; | |
3456 | if (datumtype == 'b') { | |
3457 | while (len-- > 0) { | |
3458 | if (bits & 1) culong++; | |
3459 | bits >>= 1; | |
3460 | } | |
3461 | } | |
3462 | else { | |
3463 | while (len-- > 0) { | |
3464 | if (bits & 128) culong++; | |
3465 | bits <<= 1; | |
3466 | } | |
3467 | } | |
3468 | } | |
79072805 LW |
3469 | break; |
3470 | } | |
a0d0e21e LW |
3471 | sv = NEWSV(35, len + 1); |
3472 | SvCUR_set(sv, len); | |
3473 | SvPOK_on(sv); | |
3474 | aptr = pat; /* borrow register */ | |
3475 | pat = SvPVX(sv); | |
3476 | if (datumtype == 'b') { | |
3477 | aint = len; | |
3478 | for (len = 0; len < aint; len++) { | |
3479 | if (len & 7) /*SUPPRESS 595*/ | |
3480 | bits >>= 1; | |
3481 | else | |
3482 | bits = *s++; | |
3483 | *pat++ = '0' + (bits & 1); | |
3484 | } | |
3485 | } | |
3486 | else { | |
3487 | aint = len; | |
3488 | for (len = 0; len < aint; len++) { | |
3489 | if (len & 7) | |
3490 | bits <<= 1; | |
3491 | else | |
3492 | bits = *s++; | |
3493 | *pat++ = '0' + ((bits & 128) != 0); | |
3494 | } | |
3495 | } | |
3496 | *pat = '\0'; | |
3497 | pat = aptr; /* unborrow register */ | |
3498 | XPUSHs(sv_2mortal(sv)); | |
3499 | break; | |
3500 | case 'H': | |
3501 | case 'h': | |
3502 | if (pat[-1] == '*' || len > (strend - s) * 2) | |
3503 | len = (strend - s) * 2; | |
3504 | sv = NEWSV(35, len + 1); | |
3505 | SvCUR_set(sv, len); | |
3506 | SvPOK_on(sv); | |
3507 | aptr = pat; /* borrow register */ | |
3508 | pat = SvPVX(sv); | |
3509 | if (datumtype == 'h') { | |
3510 | aint = len; | |
3511 | for (len = 0; len < aint; len++) { | |
3512 | if (len & 1) | |
3513 | bits >>= 4; | |
3514 | else | |
3515 | bits = *s++; | |
3280af22 | 3516 | *pat++ = PL_hexdigit[bits & 15]; |
a0d0e21e LW |
3517 | } |
3518 | } | |
3519 | else { | |
3520 | aint = len; | |
3521 | for (len = 0; len < aint; len++) { | |
3522 | if (len & 1) | |
3523 | bits <<= 4; | |
3524 | else | |
3525 | bits = *s++; | |
3280af22 | 3526 | *pat++ = PL_hexdigit[(bits >> 4) & 15]; |
a0d0e21e LW |
3527 | } |
3528 | } | |
3529 | *pat = '\0'; | |
3530 | pat = aptr; /* unborrow register */ | |
3531 | XPUSHs(sv_2mortal(sv)); | |
3532 | break; | |
3533 | case 'c': | |
3534 | if (len > strend - s) | |
3535 | len = strend - s; | |
3536 | if (checksum) { | |
3537 | while (len-- > 0) { | |
3538 | aint = *s++; | |
3539 | if (aint >= 128) /* fake up signed chars */ | |
3540 | aint -= 256; | |
3541 | culong += aint; | |
3542 | } | |
3543 | } | |
3544 | else { | |
3545 | EXTEND(SP, len); | |
bbce6d69 | 3546 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3547 | while (len-- > 0) { |
3548 | aint = *s++; | |
3549 | if (aint >= 128) /* fake up signed chars */ | |
3550 | aint -= 256; | |
3551 | sv = NEWSV(36, 0); | |
1e422769 | 3552 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3553 | PUSHs(sv_2mortal(sv)); |
3554 | } | |
3555 | } | |
3556 | break; | |
3557 | case 'C': | |
3558 | if (len > strend - s) | |
3559 | len = strend - s; | |
3560 | if (checksum) { | |
3561 | uchar_checksum: | |
3562 | while (len-- > 0) { | |
3563 | auint = *s++ & 255; | |
3564 | culong += auint; | |
3565 | } | |
3566 | } | |
3567 | else { | |
3568 | EXTEND(SP, len); | |
bbce6d69 | 3569 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3570 | while (len-- > 0) { |
3571 | auint = *s++ & 255; | |
3572 | sv = NEWSV(37, 0); | |
1e422769 | 3573 | sv_setiv(sv, (IV)auint); |
a0d0e21e LW |
3574 | PUSHs(sv_2mortal(sv)); |
3575 | } | |
3576 | } | |
3577 | break; | |
a0ed51b3 LW |
3578 | case 'U': |
3579 | if (len > strend - s) | |
3580 | len = strend - s; | |
3581 | if (checksum) { | |
3582 | while (len-- > 0 && s < strend) { | |
dfe13c55 | 3583 | auint = utf8_to_uv((U8*)s, &along); |
a0ed51b3 | 3584 | s += along; |
32d8b6e5 | 3585 | if (checksum > 32) |
65202027 | 3586 | cdouble += (NV)auint; |
32d8b6e5 GA |
3587 | else |
3588 | culong += auint; | |
a0ed51b3 LW |
3589 | } |
3590 | } | |
3591 | else { | |
3592 | EXTEND(SP, len); | |
3593 | EXTEND_MORTAL(len); | |
3594 | while (len-- > 0 && s < strend) { | |
dfe13c55 | 3595 | auint = utf8_to_uv((U8*)s, &along); |
a0ed51b3 LW |
3596 | s += along; |
3597 | sv = NEWSV(37, 0); | |
bdeef251 | 3598 | sv_setuv(sv, (UV)auint); |
a0ed51b3 LW |
3599 | PUSHs(sv_2mortal(sv)); |
3600 | } | |
3601 | } | |
3602 | break; | |
a0d0e21e | 3603 | case 's': |
726ea183 JH |
3604 | #if SHORTSIZE == SIZE16 |
3605 | along = (strend - s) / SIZE16; | |
3606 | #else | |
ef54e1a4 | 3607 | along = (strend - s) / (natint ? sizeof(short) : SIZE16); |
726ea183 | 3608 | #endif |
a0d0e21e LW |
3609 | if (len > along) |
3610 | len = along; | |
3611 | if (checksum) { | |
726ea183 | 3612 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3613 | if (natint) { |
bf9315bb | 3614 | short ashort; |
ef54e1a4 JH |
3615 | while (len-- > 0) { |
3616 | COPYNN(s, &ashort, sizeof(short)); | |
3617 | s += sizeof(short); | |
3618 | culong += ashort; | |
3619 | ||
3620 | } | |
3621 | } | |
726ea183 JH |
3622 | else |
3623 | #endif | |
3624 | { | |
ef54e1a4 JH |
3625 | while (len-- > 0) { |
3626 | COPY16(s, &ashort); | |
c67712b2 JH |
3627 | #if SHORTSIZE > SIZE16 |
3628 | if (ashort > 32767) | |
3629 | ashort -= 65536; | |
3630 | #endif | |
ef54e1a4 JH |
3631 | s += SIZE16; |
3632 | culong += ashort; | |
3633 | } | |
a0d0e21e LW |
3634 | } |
3635 | } | |
3636 | else { | |
3637 | EXTEND(SP, len); | |
bbce6d69 | 3638 | EXTEND_MORTAL(len); |
726ea183 | 3639 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3640 | if (natint) { |
bf9315bb | 3641 | short ashort; |
ef54e1a4 JH |
3642 | while (len-- > 0) { |
3643 | COPYNN(s, &ashort, sizeof(short)); | |
3644 | s += sizeof(short); | |
3645 | sv = NEWSV(38, 0); | |
3646 | sv_setiv(sv, (IV)ashort); | |
3647 | PUSHs(sv_2mortal(sv)); | |
3648 | } | |
3649 | } | |
726ea183 JH |
3650 | else |
3651 | #endif | |
3652 | { | |
ef54e1a4 JH |
3653 | while (len-- > 0) { |
3654 | COPY16(s, &ashort); | |
c67712b2 JH |
3655 | #if SHORTSIZE > SIZE16 |
3656 | if (ashort > 32767) | |
3657 | ashort -= 65536; | |
3658 | #endif | |
ef54e1a4 JH |
3659 | s += SIZE16; |
3660 | sv = NEWSV(38, 0); | |
3661 | sv_setiv(sv, (IV)ashort); | |
3662 | PUSHs(sv_2mortal(sv)); | |
3663 | } | |
a0d0e21e LW |
3664 | } |
3665 | } | |
3666 | break; | |
3667 | case 'v': | |
3668 | case 'n': | |
3669 | case 'S': | |
726ea183 JH |
3670 | #if SHORTSIZE == SIZE16 |
3671 | along = (strend - s) / SIZE16; | |
3672 | #else | |
ef54e1a4 JH |
3673 | unatint = natint && datumtype == 'S'; |
3674 | along = (strend - s) / (unatint ? sizeof(unsigned short) : SIZE16); | |
726ea183 | 3675 | #endif |
a0d0e21e LW |
3676 | if (len > along) |
3677 | len = along; | |
3678 | if (checksum) { | |
726ea183 | 3679 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3680 | if (unatint) { |
bf9315bb | 3681 | unsigned short aushort; |
ef54e1a4 JH |
3682 | while (len-- > 0) { |
3683 | COPYNN(s, &aushort, sizeof(unsigned short)); | |
3684 | s += sizeof(unsigned short); | |
3685 | culong += aushort; | |
3686 | } | |
3687 | } | |
726ea183 JH |
3688 | else |
3689 | #endif | |
3690 | { | |
ef54e1a4 JH |
3691 | while (len-- > 0) { |
3692 | COPY16(s, &aushort); | |
3693 | s += SIZE16; | |
a0d0e21e | 3694 | #ifdef HAS_NTOHS |
ef54e1a4 JH |
3695 | if (datumtype == 'n') |
3696 | aushort = PerlSock_ntohs(aushort); | |
79072805 | 3697 | #endif |
a0d0e21e | 3698 | #ifdef HAS_VTOHS |
ef54e1a4 JH |
3699 | if (datumtype == 'v') |
3700 | aushort = vtohs(aushort); | |
79072805 | 3701 | #endif |
ef54e1a4 JH |
3702 | culong += aushort; |
3703 | } | |
a0d0e21e LW |
3704 | } |
3705 | } | |
3706 | else { | |
3707 | EXTEND(SP, len); | |
bbce6d69 | 3708 | EXTEND_MORTAL(len); |
726ea183 | 3709 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 3710 | if (unatint) { |
bf9315bb | 3711 | unsigned short aushort; |
ef54e1a4 JH |
3712 | while (len-- > 0) { |
3713 | COPYNN(s, &aushort, sizeof(unsigned short)); | |
3714 | s += sizeof(unsigned short); | |
3715 | sv = NEWSV(39, 0); | |
726ea183 | 3716 | sv_setiv(sv, (UV)aushort); |
ef54e1a4 JH |
3717 | PUSHs(sv_2mortal(sv)); |
3718 | } | |
3719 | } | |
726ea183 JH |
3720 | else |
3721 | #endif | |
3722 | { | |
ef54e1a4 JH |
3723 | while (len-- > 0) { |
3724 | COPY16(s, &aushort); | |
3725 | s += SIZE16; | |
3726 | sv = NEWSV(39, 0); | |
a0d0e21e | 3727 | #ifdef HAS_NTOHS |
ef54e1a4 JH |
3728 | if (datumtype == 'n') |
3729 | aushort = PerlSock_ntohs(aushort); | |
79072805 | 3730 | #endif |
a0d0e21e | 3731 | #ifdef HAS_VTOHS |
ef54e1a4 JH |
3732 | if (datumtype == 'v') |
3733 | aushort = vtohs(aushort); | |
79072805 | 3734 | #endif |
726ea183 | 3735 | sv_setiv(sv, (UV)aushort); |
ef54e1a4 JH |
3736 | PUSHs(sv_2mortal(sv)); |
3737 | } | |
a0d0e21e LW |
3738 | } |
3739 | } | |
3740 | break; | |
3741 | case 'i': | |
3742 | along = (strend - s) / sizeof(int); | |
3743 | if (len > along) | |
3744 | len = along; | |
3745 | if (checksum) { | |
3746 | while (len-- > 0) { | |
3747 | Copy(s, &aint, 1, int); | |
3748 | s += sizeof(int); | |
3749 | if (checksum > 32) | |
65202027 | 3750 | cdouble += (NV)aint; |
a0d0e21e LW |
3751 | else |
3752 | culong += aint; | |
3753 | } | |
3754 | } | |
3755 | else { | |
3756 | EXTEND(SP, len); | |
bbce6d69 | 3757 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3758 | while (len-- > 0) { |
3759 | Copy(s, &aint, 1, int); | |
3760 | s += sizeof(int); | |
3761 | sv = NEWSV(40, 0); | |
20408e3c GS |
3762 | #ifdef __osf__ |
3763 | /* Without the dummy below unpack("i", pack("i",-1)) | |
3764 | * return 0xFFffFFff instead of -1 for Digital Unix V4.0 | |
13476c87 JH |
3765 | * cc with optimization turned on. |
3766 | * | |
3767 | * The bug was detected in | |
3768 | * DEC C V5.8-009 on Digital UNIX V4.0 (Rev. 1091) (V4.0E) | |
3769 | * with optimization (-O4) turned on. | |
3770 | * DEC C V5.2-040 on Digital UNIX V4.0 (Rev. 564) (V4.0B) | |
3771 | * does not have this problem even with -O4. | |
3772 | * | |
3773 | * This bug was reported as DECC_BUGS 1431 | |
3774 | * and tracked internally as GEM_BUGS 7775. | |
3775 | * | |
3776 | * The bug is fixed in | |
3777 | * Tru64 UNIX V5.0: Compaq C V6.1-006 or later | |
3778 | * UNIX V4.0F support: DEC C V5.9-006 or later | |
3779 | * UNIX V4.0E support: DEC C V5.8-011 or later | |
3780 | * and also in DTK. | |
3781 | * | |
3782 | * See also few lines later for the same bug. | |
3783 | */ | |
20408e3c GS |
3784 | (aint) ? |
3785 | sv_setiv(sv, (IV)aint) : | |
3786 | #endif | |
1e422769 | 3787 | sv_setiv(sv, (IV)aint); |
a0d0e21e LW |
3788 | PUSHs(sv_2mortal(sv)); |
3789 | } | |
3790 | } | |
3791 | break; | |
3792 | case 'I': | |
3793 | along = (strend - s) / sizeof(unsigned int); | |
3794 | if (len > along) | |
3795 | len = along; | |
3796 | if (checksum) { | |
3797 | while (len-- > 0) { | |
3798 | Copy(s, &auint, 1, unsigned int); | |
3799 | s += sizeof(unsigned int); | |
3800 | if (checksum > 32) | |
65202027 | 3801 | cdouble += (NV)auint; |
a0d0e21e LW |
3802 | else |
3803 | culong += auint; | |
3804 | } | |
3805 | } | |
3806 | else { | |
3807 | EXTEND(SP, len); | |
bbce6d69 | 3808 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3809 | while (len-- > 0) { |
3810 | Copy(s, &auint, 1, unsigned int); | |
3811 | s += sizeof(unsigned int); | |
3812 | sv = NEWSV(41, 0); | |
9d645a59 AB |
3813 | #ifdef __osf__ |
3814 | /* Without the dummy below unpack("I", pack("I",0xFFFFFFFF)) | |
13476c87 JH |
3815 | * returns 1.84467440737096e+19 instead of 0xFFFFFFFF. |
3816 | * See details few lines earlier. */ | |
9d645a59 AB |
3817 | (auint) ? |
3818 | sv_setuv(sv, (UV)auint) : | |
3819 | #endif | |
1e422769 | 3820 | sv_setuv(sv, (UV)auint); |
a0d0e21e LW |
3821 | PUSHs(sv_2mortal(sv)); |
3822 | } | |
3823 | } | |
3824 | break; | |
3825 | case 'l': | |
726ea183 JH |
3826 | #if LONGSIZE == SIZE32 |
3827 | along = (strend - s) / SIZE32; | |
3828 | #else | |
ef54e1a4 | 3829 | along = (strend - s) / (natint ? sizeof(long) : SIZE32); |
726ea183 | 3830 | #endif |
a0d0e21e LW |
3831 | if (len > along) |
3832 | len = along; | |
3833 | if (checksum) { | |
726ea183 | 3834 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 3835 | if (natint) { |
bf9315bb | 3836 | long along; |
ef54e1a4 JH |
3837 | while (len-- > 0) { |
3838 | COPYNN(s, &along, sizeof(long)); | |
3839 | s += sizeof(long); | |
3840 | if (checksum > 32) | |
65202027 | 3841 | cdouble += (NV)along; |
ef54e1a4 JH |
3842 | else |
3843 | culong += along; | |
3844 | } | |
3845 | } | |
726ea183 JH |
3846 | else |
3847 | #endif | |
3848 | { | |
ef54e1a4 JH |
3849 | while (len-- > 0) { |
3850 | COPY32(s, &along); | |
c67712b2 JH |
3851 | #if LONGSIZE > SIZE32 |
3852 | if (along > 2147483647) | |
3853 | along -= 4294967296; | |
3854 | #endif | |
ef54e1a4 JH |
3855 | s += SIZE32; |
3856 | if (checksum > 32) | |
65202027 | 3857 | cdouble += (NV)along; |
ef54e1a4 JH |
3858 | else |
3859 | culong += along; | |
3860 | } | |
a0d0e21e LW |
3861 | } |
3862 | } | |
3863 | else { | |
3864 | EXTEND(SP, len); | |
bbce6d69 | 3865 | EXTEND_MORTAL(len); |
726ea183 | 3866 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 3867 | if (natint) { |
bf9315bb | 3868 | long along; |
ef54e1a4 JH |
3869 | while (len-- > 0) { |
3870 | COPYNN(s, &along, sizeof(long)); | |
3871 | s += sizeof(long); | |
3872 | sv = NEWSV(42, 0); | |
3873 | sv_setiv(sv, (IV)along); | |
3874 | PUSHs(sv_2mortal(sv)); | |
3875 | } | |
3876 | } | |
726ea183 JH |
3877 | else |
3878 | #endif | |
3879 | { | |
ef54e1a4 JH |
3880 | while (len-- > 0) { |
3881 | COPY32(s, &along); | |
c67712b2 JH |
3882 | #if LONGSIZE > SIZE32 |
3883 | if (along > 2147483647) | |
3884 | along -= 4294967296; | |
3885 | #endif | |
ef54e1a4 JH |
3886 | s += SIZE32; |
3887 | sv = NEWSV(42, 0); | |
3888 | sv_setiv(sv, (IV)along); | |
3889 | PUSHs(sv_2mortal(sv)); | |
3890 | } | |
a0d0e21e | 3891 | } |
79072805 | 3892 | } |
a0d0e21e LW |
3893 | break; |
3894 | case 'V': | |
3895 | case 'N': | |
3896 | case 'L': | |
726ea183 JH |
3897 | #if LONGSIZE == SIZE32 |
3898 | along = (strend - s) / SIZE32; | |
3899 | #else | |
3900 | unatint = natint && datumtype == 'L'; | |
ef54e1a4 | 3901 | along = (strend - s) / (unatint ? sizeof(unsigned long) : SIZE32); |
726ea183 | 3902 | #endif |
a0d0e21e LW |
3903 | if (len > along) |
3904 | len = along; | |
3905 | if (checksum) { | |
726ea183 | 3906 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 3907 | if (unatint) { |
bf9315bb | 3908 | unsigned long aulong; |
ef54e1a4 JH |
3909 | while (len-- > 0) { |
3910 | COPYNN(s, &aulong, sizeof(unsigned long)); | |
3911 | s += sizeof(unsigned long); | |
3912 | if (checksum > 32) | |
65202027 | 3913 | cdouble += (NV)aulong; |
ef54e1a4 JH |
3914 | else |
3915 | culong += aulong; | |
3916 | } | |
3917 | } | |
726ea183 JH |
3918 | else |
3919 | #endif | |
3920 | { | |
ef54e1a4 JH |
3921 | while (len-- > 0) { |
3922 | COPY32(s, &aulong); | |
3923 | s += SIZE32; | |
a0d0e21e | 3924 | #ifdef HAS_NTOHL |
ef54e1a4 JH |
3925 | if (datumtype == 'N') |
3926 | aulong = PerlSock_ntohl(aulong); | |
79072805 | 3927 | #endif |
a0d0e21e | 3928 | #ifdef HAS_VTOHL |
ef54e1a4 JH |
3929 | if (datumtype == 'V') |
3930 | aulong = vtohl(aulong); | |
79072805 | 3931 | #endif |
ef54e1a4 | 3932 | if (checksum > 32) |
65202027 | 3933 | cdouble += (NV)aulong; |
ef54e1a4 JH |
3934 | else |
3935 | culong += aulong; | |
3936 | } | |
a0d0e21e LW |
3937 | } |
3938 | } | |
3939 | else { | |
3940 | EXTEND(SP, len); | |
bbce6d69 | 3941 | EXTEND_MORTAL(len); |
726ea183 | 3942 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 3943 | if (unatint) { |
bf9315bb | 3944 | unsigned long aulong; |
ef54e1a4 JH |
3945 | while (len-- > 0) { |
3946 | COPYNN(s, &aulong, sizeof(unsigned long)); | |
3947 | s += sizeof(unsigned long); | |
3948 | sv = NEWSV(43, 0); | |
3949 | sv_setuv(sv, (UV)aulong); | |
3950 | PUSHs(sv_2mortal(sv)); | |
3951 | } | |
3952 | } | |
726ea183 JH |
3953 | else |
3954 | #endif | |
3955 | { | |
ef54e1a4 JH |
3956 | while (len-- > 0) { |
3957 | COPY32(s, &aulong); | |
3958 | s += SIZE32; | |
a0d0e21e | 3959 | #ifdef HAS_NTOHL |
ef54e1a4 JH |
3960 | if (datumtype == 'N') |
3961 | aulong = PerlSock_ntohl(aulong); | |
79072805 | 3962 | #endif |
a0d0e21e | 3963 | #ifdef HAS_VTOHL |
ef54e1a4 JH |
3964 | if (datumtype == 'V') |
3965 | aulong = vtohl(aulong); | |
79072805 | 3966 | #endif |
ef54e1a4 JH |
3967 | sv = NEWSV(43, 0); |
3968 | sv_setuv(sv, (UV)aulong); | |
3969 | PUSHs(sv_2mortal(sv)); | |
3970 | } | |
a0d0e21e LW |
3971 | } |
3972 | } | |
3973 | break; | |
3974 | case 'p': | |
3975 | along = (strend - s) / sizeof(char*); | |
3976 | if (len > along) | |
3977 | len = along; | |
3978 | EXTEND(SP, len); | |
bbce6d69 | 3979 | EXTEND_MORTAL(len); |
a0d0e21e LW |
3980 | while (len-- > 0) { |
3981 | if (sizeof(char*) > strend - s) | |
3982 | break; | |
3983 | else { | |
3984 | Copy(s, &aptr, 1, char*); | |
3985 | s += sizeof(char*); | |
3986 | } | |
3987 | sv = NEWSV(44, 0); | |
3988 | if (aptr) | |
3989 | sv_setpv(sv, aptr); | |
3990 | PUSHs(sv_2mortal(sv)); | |
3991 | } | |
3992 | break; | |
def98dd4 | 3993 | case 'w': |
def98dd4 | 3994 | EXTEND(SP, len); |
bbce6d69 | 3995 | EXTEND_MORTAL(len); |
8ec5e241 | 3996 | { |
bbce6d69 | 3997 | UV auv = 0; |
3998 | U32 bytes = 0; | |
3999 | ||
4000 | while ((len > 0) && (s < strend)) { | |
4001 | auv = (auv << 7) | (*s & 0x7f); | |
4002 | if (!(*s++ & 0x80)) { | |
4003 | bytes = 0; | |
4004 | sv = NEWSV(40, 0); | |
4005 | sv_setuv(sv, auv); | |
4006 | PUSHs(sv_2mortal(sv)); | |
4007 | len--; | |
4008 | auv = 0; | |
4009 | } | |
4010 | else if (++bytes >= sizeof(UV)) { /* promote to string */ | |
bbce6d69 | 4011 | char *t; |
2d8e6c8d | 4012 | STRLEN n_a; |
bbce6d69 | 4013 | |
cea2e8a9 | 4014 | sv = Perl_newSVpvf(aTHX_ "%.*Vu", (int)TYPE_DIGITS(UV), auv); |
bbce6d69 | 4015 | while (s < strend) { |
4016 | sv = mul128(sv, *s & 0x7f); | |
4017 | if (!(*s++ & 0x80)) { | |
4018 | bytes = 0; | |
4019 | break; | |
4020 | } | |
4021 | } | |
2d8e6c8d | 4022 | t = SvPV(sv, n_a); |
bbce6d69 | 4023 | while (*t == '0') |
4024 | t++; | |
4025 | sv_chop(sv, t); | |
4026 | PUSHs(sv_2mortal(sv)); | |
4027 | len--; | |
4028 | auv = 0; | |
4029 | } | |
4030 | } | |
4031 | if ((s >= strend) && bytes) | |
cea2e8a9 | 4032 | Perl_croak(aTHX_ "Unterminated compressed integer"); |
bbce6d69 | 4033 | } |
def98dd4 | 4034 | break; |
a0d0e21e LW |
4035 | case 'P': |
4036 | EXTEND(SP, 1); | |
4037 | if (sizeof(char*) > strend - s) | |
4038 | break; | |
4039 | else { | |
4040 | Copy(s, &aptr, 1, char*); | |
4041 | s += sizeof(char*); | |
4042 | } | |
4043 | sv = NEWSV(44, 0); | |
4044 | if (aptr) | |
4045 | sv_setpvn(sv, aptr, len); | |
4046 | PUSHs(sv_2mortal(sv)); | |
4047 | break; | |
ecfc5424 | 4048 | #ifdef HAS_QUAD |
a0d0e21e | 4049 | case 'q': |
d4217c7e JH |
4050 | along = (strend - s) / sizeof(Quad_t); |
4051 | if (len > along) | |
4052 | len = along; | |
a0d0e21e | 4053 | EXTEND(SP, len); |
bbce6d69 | 4054 | EXTEND_MORTAL(len); |
a0d0e21e | 4055 | while (len-- > 0) { |
ecfc5424 | 4056 | if (s + sizeof(Quad_t) > strend) |
a0d0e21e LW |
4057 | aquad = 0; |
4058 | else { | |
ecfc5424 AD |
4059 | Copy(s, &aquad, 1, Quad_t); |
4060 | s += sizeof(Quad_t); | |
a0d0e21e LW |
4061 | } |
4062 | sv = NEWSV(42, 0); | |
96e4d5b1 | 4063 | if (aquad >= IV_MIN && aquad <= IV_MAX) |
4064 | sv_setiv(sv, (IV)aquad); | |
4065 | else | |
65202027 | 4066 | sv_setnv(sv, (NV)aquad); |
a0d0e21e LW |
4067 | PUSHs(sv_2mortal(sv)); |
4068 | } | |
4069 | break; | |
4070 | case 'Q': | |
d4217c7e JH |
4071 | along = (strend - s) / sizeof(Quad_t); |
4072 | if (len > along) | |
4073 | len = along; | |
a0d0e21e | 4074 | EXTEND(SP, len); |
bbce6d69 | 4075 | EXTEND_MORTAL(len); |
a0d0e21e | 4076 | while (len-- > 0) { |
e862df63 | 4077 | if (s + sizeof(Uquad_t) > strend) |
a0d0e21e LW |
4078 | auquad = 0; |
4079 | else { | |
e862df63 HB |
4080 | Copy(s, &auquad, 1, Uquad_t); |
4081 | s += sizeof(Uquad_t); | |
a0d0e21e LW |
4082 | } |
4083 | sv = NEWSV(43, 0); | |
27612d38 | 4084 | if (auquad <= UV_MAX) |
96e4d5b1 | 4085 | sv_setuv(sv, (UV)auquad); |
4086 | else | |
65202027 | 4087 | sv_setnv(sv, (NV)auquad); |
a0d0e21e LW |
4088 | PUSHs(sv_2mortal(sv)); |
4089 | } | |
4090 | break; | |
79072805 | 4091 | #endif |
a0d0e21e LW |
4092 | /* float and double added gnb@melba.bby.oz.au 22/11/89 */ |
4093 | case 'f': | |
4094 | case 'F': | |
4095 | along = (strend - s) / sizeof(float); | |
4096 | if (len > along) | |
4097 | len = along; | |
4098 | if (checksum) { | |
4099 | while (len-- > 0) { | |
4100 | Copy(s, &afloat, 1, float); | |
4101 | s += sizeof(float); | |
4102 | cdouble += afloat; | |
4103 | } | |
4104 | } | |
4105 | else { | |
4106 | EXTEND(SP, len); | |
bbce6d69 | 4107 | EXTEND_MORTAL(len); |
a0d0e21e LW |
4108 | while (len-- > 0) { |
4109 | Copy(s, &afloat, 1, float); | |
4110 | s += sizeof(float); | |
4111 | sv = NEWSV(47, 0); | |
65202027 | 4112 | sv_setnv(sv, (NV)afloat); |
a0d0e21e LW |
4113 | PUSHs(sv_2mortal(sv)); |
4114 | } | |
4115 | } | |
4116 | break; | |
4117 | case 'd': | |
4118 | case 'D': | |
4119 | along = (strend - s) / sizeof(double); | |
4120 | if (len > along) | |
4121 | len = along; | |
4122 | if (checksum) { | |
4123 | while (len-- > 0) { | |
4124 | Copy(s, &adouble, 1, double); | |
4125 | s += sizeof(double); | |
4126 | cdouble += adouble; | |
4127 | } | |
4128 | } | |
4129 | else { | |
4130 | EXTEND(SP, len); | |
bbce6d69 | 4131 | EXTEND_MORTAL(len); |
a0d0e21e LW |
4132 | while (len-- > 0) { |
4133 | Copy(s, &adouble, 1, double); | |
4134 | s += sizeof(double); | |
4135 | sv = NEWSV(48, 0); | |
65202027 | 4136 | sv_setnv(sv, (NV)adouble); |
a0d0e21e LW |
4137 | PUSHs(sv_2mortal(sv)); |
4138 | } | |
4139 | } | |
4140 | break; | |
4141 | case 'u': | |
9d116dd7 JH |
4142 | /* MKS: |
4143 | * Initialise the decode mapping. By using a table driven | |
4144 | * algorithm, the code will be character-set independent | |
4145 | * (and just as fast as doing character arithmetic) | |
4146 | */ | |
80252599 | 4147 | if (PL_uudmap['M'] == 0) { |
9d116dd7 JH |
4148 | int i; |
4149 | ||
80252599 GS |
4150 | for (i = 0; i < sizeof(PL_uuemap); i += 1) |
4151 | PL_uudmap[PL_uuemap[i]] = i; | |
9d116dd7 JH |
4152 | /* |
4153 | * Because ' ' and '`' map to the same value, | |
4154 | * we need to decode them both the same. | |
4155 | */ | |
80252599 | 4156 | PL_uudmap[' '] = 0; |
9d116dd7 JH |
4157 | } |
4158 | ||
a0d0e21e LW |
4159 | along = (strend - s) * 3 / 4; |
4160 | sv = NEWSV(42, along); | |
f12c7020 | 4161 | if (along) |
4162 | SvPOK_on(sv); | |
9d116dd7 | 4163 | while (s < strend && *s > ' ' && ISUUCHAR(*s)) { |
a0d0e21e LW |
4164 | I32 a, b, c, d; |
4165 | char hunk[4]; | |
79072805 | 4166 | |
a0d0e21e | 4167 | hunk[3] = '\0'; |
80252599 | 4168 | len = PL_uudmap[*s++] & 077; |
a0d0e21e | 4169 | while (len > 0) { |
9d116dd7 | 4170 | if (s < strend && ISUUCHAR(*s)) |
80252599 | 4171 | a = PL_uudmap[*s++] & 077; |
9d116dd7 JH |
4172 | else |
4173 | a = 0; | |
4174 | if (s < strend && ISUUCHAR(*s)) | |
80252599 | 4175 | b = PL_uudmap[*s++] & 077; |
9d116dd7 JH |
4176 | else |
4177 | b = 0; | |
4178 | if (s < strend && ISUUCHAR(*s)) | |
80252599 | 4179 | c = PL_uudmap[*s++] & 077; |
9d116dd7 JH |
4180 | else |
4181 | c = 0; | |
4182 | if (s < strend && ISUUCHAR(*s)) | |
80252599 | 4183 | d = PL_uudmap[*s++] & 077; |
a0d0e21e LW |
4184 | else |
4185 | d = 0; | |
4e35701f NIS |
4186 | hunk[0] = (a << 2) | (b >> 4); |
4187 | hunk[1] = (b << 4) | (c >> 2); | |
4188 | hunk[2] = (c << 6) | d; | |
4189 | sv_catpvn(sv, hunk, (len > 3) ? 3 : len); | |
a0d0e21e LW |
4190 | len -= 3; |
4191 | } | |
4192 | if (*s == '\n') | |
4193 | s++; | |
4194 | else if (s[1] == '\n') /* possible checksum byte */ | |
4195 | s += 2; | |
79072805 | 4196 | } |
a0d0e21e LW |
4197 | XPUSHs(sv_2mortal(sv)); |
4198 | break; | |
79072805 | 4199 | } |
a0d0e21e LW |
4200 | if (checksum) { |
4201 | sv = NEWSV(42, 0); | |
4202 | if (strchr("fFdD", datumtype) || | |
32d8b6e5 | 4203 | (checksum > 32 && strchr("iIlLNU", datumtype)) ) { |
65202027 | 4204 | NV trouble; |
79072805 | 4205 | |
a0d0e21e LW |
4206 | adouble = 1.0; |
4207 | while (checksum >= 16) { | |
4208 | checksum -= 16; | |
4209 | adouble *= 65536.0; | |
4210 | } | |
4211 | while (checksum >= 4) { | |
4212 | checksum -= 4; | |
4213 | adouble *= 16.0; | |
4214 | } | |
4215 | while (checksum--) | |
4216 | adouble *= 2.0; | |
4217 | along = (1 << checksum) - 1; | |
4218 | while (cdouble < 0.0) | |
4219 | cdouble += adouble; | |
65202027 | 4220 | cdouble = Perl_modf(cdouble / adouble, &trouble) * adouble; |
a0d0e21e LW |
4221 | sv_setnv(sv, cdouble); |
4222 | } | |
4223 | else { | |
4224 | if (checksum < 32) { | |
96e4d5b1 | 4225 | aulong = (1 << checksum) - 1; |
4226 | culong &= aulong; | |
a0d0e21e | 4227 | } |
96e4d5b1 | 4228 | sv_setuv(sv, (UV)culong); |
a0d0e21e LW |
4229 | } |
4230 | XPUSHs(sv_2mortal(sv)); | |
4231 | checksum = 0; | |
79072805 | 4232 | } |
79072805 | 4233 | } |
924508f0 | 4234 | if (SP == oldsp && gimme == G_SCALAR) |
3280af22 | 4235 | PUSHs(&PL_sv_undef); |
79072805 | 4236 | RETURN; |
79072805 LW |
4237 | } |
4238 | ||
76e3520e | 4239 | STATIC void |
cea2e8a9 | 4240 | S_doencodes(pTHX_ register SV *sv, register char *s, register I32 len) |
79072805 | 4241 | { |
a0d0e21e | 4242 | char hunk[5]; |
79072805 | 4243 | |
80252599 | 4244 | *hunk = PL_uuemap[len]; |
a0d0e21e LW |
4245 | sv_catpvn(sv, hunk, 1); |
4246 | hunk[4] = '\0'; | |
f264d472 | 4247 | while (len > 2) { |
80252599 GS |
4248 | hunk[0] = PL_uuemap[(077 & (*s >> 2))]; |
4249 | hunk[1] = PL_uuemap[(077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017)))]; | |
4250 | hunk[2] = PL_uuemap[(077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03)))]; | |
4251 | hunk[3] = PL_uuemap[(077 & (s[2] & 077))]; | |
a0d0e21e LW |
4252 | sv_catpvn(sv, hunk, 4); |
4253 | s += 3; | |
4254 | len -= 3; | |
4255 | } | |
f264d472 GS |
4256 | if (len > 0) { |
4257 | char r = (len > 1 ? s[1] : '\0'); | |
80252599 GS |
4258 | hunk[0] = PL_uuemap[(077 & (*s >> 2))]; |
4259 | hunk[1] = PL_uuemap[(077 & (((*s << 4) & 060) | ((r >> 4) & 017)))]; | |
4260 | hunk[2] = PL_uuemap[(077 & ((r << 2) & 074))]; | |
4261 | hunk[3] = PL_uuemap[0]; | |
f264d472 | 4262 | sv_catpvn(sv, hunk, 4); |
a0d0e21e LW |
4263 | } |
4264 | sv_catpvn(sv, "\n", 1); | |
79072805 LW |
4265 | } |
4266 | ||
79cb57f6 | 4267 | STATIC SV * |
cea2e8a9 | 4268 | S_is_an_int(pTHX_ char *s, STRLEN l) |
55497cff | 4269 | { |
2d8e6c8d | 4270 | STRLEN n_a; |
79cb57f6 | 4271 | SV *result = newSVpvn(s, l); |
2d8e6c8d | 4272 | char *result_c = SvPV(result, n_a); /* convenience */ |
55497cff | 4273 | char *out = result_c; |
4274 | bool skip = 1; | |
4275 | bool ignore = 0; | |
4276 | ||
4277 | while (*s) { | |
4278 | switch (*s) { | |
4279 | case ' ': | |
4280 | break; | |
4281 | case '+': | |
4282 | if (!skip) { | |
4283 | SvREFCNT_dec(result); | |
4284 | return (NULL); | |
4285 | } | |
4286 | break; | |
4287 | case '0': | |
4288 | case '1': | |
4289 | case '2': | |
4290 | case '3': | |
4291 | case '4': | |
4292 | case '5': | |
4293 | case '6': | |
4294 | case '7': | |
4295 | case '8': | |
4296 | case '9': | |
4297 | skip = 0; | |
4298 | if (!ignore) { | |
4299 | *(out++) = *s; | |
4300 | } | |
4301 | break; | |
4302 | case '.': | |
4303 | ignore = 1; | |
4304 | break; | |
4305 | default: | |
4306 | SvREFCNT_dec(result); | |
4307 | return (NULL); | |
4308 | } | |
4309 | s++; | |
4310 | } | |
4311 | *(out++) = '\0'; | |
4312 | SvCUR_set(result, out - result_c); | |
4313 | return (result); | |
4314 | } | |
4315 | ||
864dbfa3 | 4316 | /* pnum must be '\0' terminated */ |
76e3520e | 4317 | STATIC int |
cea2e8a9 | 4318 | S_div128(pTHX_ SV *pnum, bool *done) |
55497cff | 4319 | { |
4320 | STRLEN len; | |
4321 | char *s = SvPV(pnum, len); | |
4322 | int m = 0; | |
4323 | int r = 0; | |
4324 | char *t = s; | |
4325 | ||
4326 | *done = 1; | |
4327 | while (*t) { | |
4328 | int i; | |
4329 | ||
4330 | i = m * 10 + (*t - '0'); | |
4331 | m = i & 0x7F; | |
4332 | r = (i >> 7); /* r < 10 */ | |
4333 | if (r) { | |
4334 | *done = 0; | |
4335 | } | |
4336 | *(t++) = '0' + r; | |
4337 | } | |
4338 | *(t++) = '\0'; | |
4339 | SvCUR_set(pnum, (STRLEN) (t - s)); | |
4340 | return (m); | |
4341 | } | |
4342 | ||
4343 | ||
a0d0e21e | 4344 | PP(pp_pack) |
79072805 | 4345 | { |
4e35701f | 4346 | djSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
4347 | register SV *cat = TARG; |
4348 | register I32 items; | |
4349 | STRLEN fromlen; | |
4350 | register char *pat = SvPVx(*++MARK, fromlen); | |
4351 | register char *patend = pat + fromlen; | |
4352 | register I32 len; | |
4353 | I32 datumtype; | |
4354 | SV *fromstr; | |
4355 | /*SUPPRESS 442*/ | |
4356 | static char null10[] = {0,0,0,0,0,0,0,0,0,0}; | |
4357 | static char *space10 = " "; | |
79072805 | 4358 | |
a0d0e21e LW |
4359 | /* These must not be in registers: */ |
4360 | char achar; | |
4361 | I16 ashort; | |
4362 | int aint; | |
4363 | unsigned int auint; | |
4364 | I32 along; | |
4365 | U32 aulong; | |
ecfc5424 AD |
4366 | #ifdef HAS_QUAD |
4367 | Quad_t aquad; | |
e862df63 | 4368 | Uquad_t auquad; |
79072805 | 4369 | #endif |
a0d0e21e LW |
4370 | char *aptr; |
4371 | float afloat; | |
4372 | double adouble; | |
fb73857a | 4373 | int commas = 0; |
726ea183 | 4374 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 4375 | int natint; /* native integer */ |
726ea183 | 4376 | #endif |
79072805 | 4377 | |
a0d0e21e LW |
4378 | items = SP - MARK; |
4379 | MARK++; | |
4380 | sv_setpvn(cat, "", 0); | |
4381 | while (pat < patend) { | |
43192e07 IP |
4382 | SV *lengthcode = Nullsv; |
4383 | #define NEXTFROM ( lengthcode ? lengthcode : items-- > 0 ? *MARK++ : &PL_sv_no) | |
bbdab043 | 4384 | datumtype = *pat++ & 0xFF; |
726ea183 | 4385 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 4386 | natint = 0; |
726ea183 | 4387 | #endif |
bbdab043 CS |
4388 | if (isSPACE(datumtype)) |
4389 | continue; | |
f61d411c | 4390 | if (*pat == '!') { |
ef54e1a4 JH |
4391 | char *natstr = "sSiIlL"; |
4392 | ||
4393 | if (strchr(natstr, datumtype)) { | |
726ea183 | 4394 | #ifdef PERL_NATINT_PACK |
ef54e1a4 | 4395 | natint = 1; |
726ea183 | 4396 | #endif |
ef54e1a4 JH |
4397 | pat++; |
4398 | } | |
4399 | else | |
cea2e8a9 | 4400 | Perl_croak(aTHX_ "'!' allowed only after types %s", natstr); |
ef54e1a4 | 4401 | } |
a0d0e21e LW |
4402 | if (*pat == '*') { |
4403 | len = strchr("@Xxu", datumtype) ? 0 : items; | |
4404 | pat++; | |
4405 | } | |
4406 | else if (isDIGIT(*pat)) { | |
4407 | len = *pat++ - '0'; | |
06387354 | 4408 | while (isDIGIT(*pat)) { |
a0d0e21e | 4409 | len = (len * 10) + (*pat++ - '0'); |
06387354 NT |
4410 | if (len < 0) |
4411 | Perl_croak(aTHX_ "Repeat count in pack overflows"); | |
4412 | } | |
a0d0e21e LW |
4413 | } |
4414 | else | |
4415 | len = 1; | |
43192e07 IP |
4416 | if (*pat == '#') { |
4417 | ++pat; | |
4418 | if (*pat != 'a' && *pat != 'A' && *pat != 'Z' || pat[1] != '*') | |
4419 | DIE(aTHX_ "# must be followed by a*, A* or Z*"); | |
4420 | lengthcode = sv_2mortal(newSViv(sv_len(items > 0 | |
4421 | ? *MARK : &PL_sv_no))); | |
4422 | } | |
a0d0e21e LW |
4423 | switch(datumtype) { |
4424 | default: | |
cea2e8a9 | 4425 | Perl_croak(aTHX_ "Invalid type in pack: '%c'", (int)datumtype); |
fb73857a | 4426 | case ',': /* grandfather in commas but with a warning */ |
599cee73 | 4427 | if (commas++ == 0 && ckWARN(WARN_UNSAFE)) |
43192e07 IP |
4428 | Perl_warner(aTHX_ WARN_UNSAFE, |
4429 | "Invalid type in pack: '%c'", (int)datumtype); | |
fb73857a | 4430 | break; |
a0d0e21e | 4431 | case '%': |
cea2e8a9 | 4432 | DIE(aTHX_ "%% may only be used in unpack"); |
a0d0e21e LW |
4433 | case '@': |
4434 | len -= SvCUR(cat); | |
4435 | if (len > 0) | |
4436 | goto grow; | |
4437 | len = -len; | |
4438 | if (len > 0) | |
4439 | goto shrink; | |
4440 | break; | |
4441 | case 'X': | |
4442 | shrink: | |
4443 | if (SvCUR(cat) < len) | |
cea2e8a9 | 4444 | DIE(aTHX_ "X outside of string"); |
a0d0e21e LW |
4445 | SvCUR(cat) -= len; |
4446 | *SvEND(cat) = '\0'; | |
4447 | break; | |
4448 | case 'x': | |
4449 | grow: | |
4450 | while (len >= 10) { | |
4451 | sv_catpvn(cat, null10, 10); | |
4452 | len -= 10; | |
4453 | } | |
4454 | sv_catpvn(cat, null10, len); | |
4455 | break; | |
4456 | case 'A': | |
5a929a98 | 4457 | case 'Z': |
a0d0e21e LW |
4458 | case 'a': |
4459 | fromstr = NEXTFROM; | |
4460 | aptr = SvPV(fromstr, fromlen); | |
4461 | if (pat[-1] == '*') | |
4462 | len = fromlen; | |
4463 | if (fromlen > len) | |
4464 | sv_catpvn(cat, aptr, len); | |
4465 | else { | |
4466 | sv_catpvn(cat, aptr, fromlen); | |
4467 | len -= fromlen; | |
4468 | if (datumtype == 'A') { | |
4469 | while (len >= 10) { | |
4470 | sv_catpvn(cat, space10, 10); | |
4471 | len -= 10; | |
4472 | } | |
4473 | sv_catpvn(cat, space10, len); | |
4474 | } | |
4475 | else { | |
4476 | while (len >= 10) { | |
4477 | sv_catpvn(cat, null10, 10); | |
4478 | len -= 10; | |
4479 | } | |
4480 | sv_catpvn(cat, null10, len); | |
4481 | } | |
4482 | } | |
4483 | break; | |
4484 | case 'B': | |
4485 | case 'b': | |
4486 | { | |
4487 | char *savepat = pat; | |
4488 | I32 saveitems; | |
79072805 | 4489 | |
a0d0e21e LW |
4490 | fromstr = NEXTFROM; |
4491 | saveitems = items; | |
4492 | aptr = SvPV(fromstr, fromlen); | |
4493 | if (pat[-1] == '*') | |
4494 | len = fromlen; | |
4495 | pat = aptr; | |
4496 | aint = SvCUR(cat); | |
4497 | SvCUR(cat) += (len+7)/8; | |
4498 | SvGROW(cat, SvCUR(cat) + 1); | |
4499 | aptr = SvPVX(cat) + aint; | |
4500 | if (len > fromlen) | |
4501 | len = fromlen; | |
4502 | aint = len; | |
4503 | items = 0; | |
4504 | if (datumtype == 'B') { | |
4505 | for (len = 0; len++ < aint;) { | |
4506 | items |= *pat++ & 1; | |
4507 | if (len & 7) | |
4508 | items <<= 1; | |
4509 | else { | |
4510 | *aptr++ = items & 0xff; | |
4511 | items = 0; | |
4512 | } | |
4513 | } | |
4514 | } | |
4515 | else { | |
4516 | for (len = 0; len++ < aint;) { | |
4517 | if (*pat++ & 1) | |
4518 | items |= 128; | |
4519 | if (len & 7) | |
4520 | items >>= 1; | |
4521 | else { | |
4522 | *aptr++ = items & 0xff; | |
4523 | items = 0; | |
4524 | } | |
4525 | } | |
4526 | } | |
4527 | if (aint & 7) { | |
4528 | if (datumtype == 'B') | |
4529 | items <<= 7 - (aint & 7); | |
4530 | else | |
4531 | items >>= 7 - (aint & 7); | |
4532 | *aptr++ = items & 0xff; | |
4533 | } | |
4534 | pat = SvPVX(cat) + SvCUR(cat); | |
4535 | while (aptr <= pat) | |
4536 | *aptr++ = '\0'; | |
79072805 | 4537 | |
a0d0e21e LW |
4538 | pat = savepat; |
4539 | items = saveitems; | |
4540 | } | |
4541 | break; | |
4542 | case 'H': | |
4543 | case 'h': | |
4544 | { | |
4545 | char *savepat = pat; | |
4546 | I32 saveitems; | |
79072805 | 4547 | |
a0d0e21e LW |
4548 | fromstr = NEXTFROM; |
4549 | saveitems = items; | |
4550 | aptr = SvPV(fromstr, fromlen); | |
4551 | if (pat[-1] == '*') | |
4552 | len = fromlen; | |
4553 | pat = aptr; | |
4554 | aint = SvCUR(cat); | |
4555 | SvCUR(cat) += (len+1)/2; | |
4556 | SvGROW(cat, SvCUR(cat) + 1); | |
4557 | aptr = SvPVX(cat) + aint; | |
4558 | if (len > fromlen) | |
4559 | len = fromlen; | |
4560 | aint = len; | |
4561 | items = 0; | |
4562 | if (datumtype == 'H') { | |
4563 | for (len = 0; len++ < aint;) { | |
4564 | if (isALPHA(*pat)) | |
4565 | items |= ((*pat++ & 15) + 9) & 15; | |
4566 | else | |
4567 | items |= *pat++ & 15; | |
4568 | if (len & 1) | |
4569 | items <<= 4; | |
4570 | else { | |
4571 | *aptr++ = items & 0xff; | |
4572 | items = 0; | |
4573 | } | |
4574 | } | |
4575 | } | |
4576 | else { | |
4577 | for (len = 0; len++ < aint;) { | |
4578 | if (isALPHA(*pat)) | |
4579 | items |= (((*pat++ & 15) + 9) & 15) << 4; | |
4580 | else | |
4581 | items |= (*pat++ & 15) << 4; | |
4582 | if (len & 1) | |
4583 | items >>= 4; | |
4584 | else { | |
4585 | *aptr++ = items & 0xff; | |
4586 | items = 0; | |
4587 | } | |
4588 | } | |
4589 | } | |
4590 | if (aint & 1) | |
4591 | *aptr++ = items & 0xff; | |
4592 | pat = SvPVX(cat) + SvCUR(cat); | |
4593 | while (aptr <= pat) | |
4594 | *aptr++ = '\0'; | |
79072805 | 4595 | |
a0d0e21e LW |
4596 | pat = savepat; |
4597 | items = saveitems; | |
4598 | } | |
4599 | break; | |
4600 | case 'C': | |
4601 | case 'c': | |
4602 | while (len-- > 0) { | |
4603 | fromstr = NEXTFROM; | |
4604 | aint = SvIV(fromstr); | |
4605 | achar = aint; | |
4606 | sv_catpvn(cat, &achar, sizeof(char)); | |
4607 | } | |
4608 | break; | |
a0ed51b3 LW |
4609 | case 'U': |
4610 | while (len-- > 0) { | |
4611 | fromstr = NEXTFROM; | |
4612 | auint = SvUV(fromstr); | |
4613 | SvGROW(cat, SvCUR(cat) + 10); | |
dfe13c55 GS |
4614 | SvCUR_set(cat, (char*)uv_to_utf8((U8*)SvEND(cat),auint) |
4615 | - SvPVX(cat)); | |
a0ed51b3 LW |
4616 | } |
4617 | *SvEND(cat) = '\0'; | |
4618 | break; | |
a0d0e21e LW |
4619 | /* Float and double added by gnb@melba.bby.oz.au 22/11/89 */ |
4620 | case 'f': | |
4621 | case 'F': | |
4622 | while (len-- > 0) { | |
4623 | fromstr = NEXTFROM; | |
4624 | afloat = (float)SvNV(fromstr); | |
4625 | sv_catpvn(cat, (char *)&afloat, sizeof (float)); | |
4626 | } | |
4627 | break; | |
4628 | case 'd': | |
4629 | case 'D': | |
4630 | while (len-- > 0) { | |
4631 | fromstr = NEXTFROM; | |
4632 | adouble = (double)SvNV(fromstr); | |
4633 | sv_catpvn(cat, (char *)&adouble, sizeof (double)); | |
4634 | } | |
4635 | break; | |
4636 | case 'n': | |
4637 | while (len-- > 0) { | |
4638 | fromstr = NEXTFROM; | |
4639 | ashort = (I16)SvIV(fromstr); | |
4640 | #ifdef HAS_HTONS | |
6ad3d225 | 4641 | ashort = PerlSock_htons(ashort); |
79072805 | 4642 | #endif |
96e4d5b1 | 4643 | CAT16(cat, &ashort); |
a0d0e21e LW |
4644 | } |
4645 | break; | |
4646 | case 'v': | |
4647 | while (len-- > 0) { | |
4648 | fromstr = NEXTFROM; | |
4649 | ashort = (I16)SvIV(fromstr); | |
4650 | #ifdef HAS_HTOVS | |
4651 | ashort = htovs(ashort); | |
79072805 | 4652 | #endif |
96e4d5b1 | 4653 | CAT16(cat, &ashort); |
a0d0e21e LW |
4654 | } |
4655 | break; | |
4656 | case 'S': | |
726ea183 | 4657 | #if SHORTSIZE != SIZE16 |
ef54e1a4 JH |
4658 | if (natint) { |
4659 | unsigned short aushort; | |
4660 | ||
4661 | while (len-- > 0) { | |
4662 | fromstr = NEXTFROM; | |
4663 | aushort = SvUV(fromstr); | |
4664 | sv_catpvn(cat, (char *)&aushort, sizeof(unsigned short)); | |
4665 | } | |
4666 | } | |
726ea183 JH |
4667 | else |
4668 | #endif | |
4669 | { | |
ef54e1a4 JH |
4670 | U16 aushort; |
4671 | ||
4672 | while (len-- > 0) { | |
4673 | fromstr = NEXTFROM; | |
726ea183 | 4674 | aushort = (U16)SvUV(fromstr); |
ef54e1a4 JH |
4675 | CAT16(cat, &aushort); |
4676 | } | |
726ea183 | 4677 | |
ef54e1a4 JH |
4678 | } |
4679 | break; | |
a0d0e21e | 4680 | case 's': |
c67712b2 | 4681 | #if SHORTSIZE != SIZE16 |
ef54e1a4 | 4682 | if (natint) { |
bf9315bb GS |
4683 | short ashort; |
4684 | ||
ef54e1a4 JH |
4685 | while (len-- > 0) { |
4686 | fromstr = NEXTFROM; | |
4687 | ashort = SvIV(fromstr); | |
4688 | sv_catpvn(cat, (char *)&ashort, sizeof(short)); | |
4689 | } | |
4690 | } | |
726ea183 JH |
4691 | else |
4692 | #endif | |
4693 | { | |
ef54e1a4 JH |
4694 | while (len-- > 0) { |
4695 | fromstr = NEXTFROM; | |
4696 | ashort = (I16)SvIV(fromstr); | |
4697 | CAT16(cat, &ashort); | |
4698 | } | |
a0d0e21e LW |
4699 | } |
4700 | break; | |
4701 | case 'I': | |
4702 | while (len-- > 0) { | |
4703 | fromstr = NEXTFROM; | |
96e4d5b1 | 4704 | auint = SvUV(fromstr); |
a0d0e21e LW |
4705 | sv_catpvn(cat, (char*)&auint, sizeof(unsigned int)); |
4706 | } | |
4707 | break; | |
def98dd4 UP |
4708 | case 'w': |
4709 | while (len-- > 0) { | |
bbce6d69 | 4710 | fromstr = NEXTFROM; |
65202027 | 4711 | adouble = Perl_floor(SvNV(fromstr)); |
bbce6d69 | 4712 | |
4713 | if (adouble < 0) | |
cea2e8a9 | 4714 | Perl_croak(aTHX_ "Cannot compress negative numbers"); |
bbce6d69 | 4715 | |
46fc3d4c | 4716 | if ( |
4717 | #ifdef BW_BITS | |
4718 | adouble <= BW_MASK | |
4719 | #else | |
ef2d312d TH |
4720 | #ifdef CXUX_BROKEN_CONSTANT_CONVERT |
4721 | adouble <= UV_MAX_cxux | |
4722 | #else | |
46fc3d4c | 4723 | adouble <= UV_MAX |
4724 | #endif | |
ef2d312d | 4725 | #endif |
46fc3d4c | 4726 | ) |
4727 | { | |
bbce6d69 | 4728 | char buf[1 + sizeof(UV)]; |
4729 | char *in = buf + sizeof(buf); | |
db7c17d7 | 4730 | UV auv = U_V(adouble); |
bbce6d69 | 4731 | |
4732 | do { | |
4733 | *--in = (auv & 0x7f) | 0x80; | |
4734 | auv >>= 7; | |
4735 | } while (auv); | |
4736 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
4737 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
4738 | } | |
4739 | else if (SvPOKp(fromstr)) { /* decimal string arithmetics */ | |
4740 | char *from, *result, *in; | |
4741 | SV *norm; | |
4742 | STRLEN len; | |
4743 | bool done; | |
8ec5e241 | 4744 | |
bbce6d69 | 4745 | /* Copy string and check for compliance */ |
4746 | from = SvPV(fromstr, len); | |
4747 | if ((norm = is_an_int(from, len)) == NULL) | |
cea2e8a9 | 4748 | Perl_croak(aTHX_ "can compress only unsigned integer"); |
bbce6d69 | 4749 | |
4750 | New('w', result, len, char); | |
4751 | in = result + len; | |
4752 | done = FALSE; | |
4753 | while (!done) | |
4754 | *--in = div128(norm, &done) | 0x80; | |
4755 | result[len - 1] &= 0x7F; /* clear continue bit */ | |
4756 | sv_catpvn(cat, in, (result + len) - in); | |
5f05dabc | 4757 | Safefree(result); |
bbce6d69 | 4758 | SvREFCNT_dec(norm); /* free norm */ |
def98dd4 | 4759 | } |
bbce6d69 | 4760 | else if (SvNOKp(fromstr)) { |
4761 | char buf[sizeof(double) * 2]; /* 8/7 <= 2 */ | |
4762 | char *in = buf + sizeof(buf); | |
4763 | ||
4764 | do { | |
4765 | double next = floor(adouble / 128); | |
4766 | *--in = (unsigned char)(adouble - (next * 128)) | 0x80; | |
4767 | if (--in < buf) /* this cannot happen ;-) */ | |
cea2e8a9 | 4768 | Perl_croak(aTHX_ "Cannot compress integer"); |
bbce6d69 | 4769 | adouble = next; |
4770 | } while (adouble > 0); | |
4771 | buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */ | |
4772 | sv_catpvn(cat, in, (buf + sizeof(buf)) - in); | |
4773 | } | |
4774 | else | |
cea2e8a9 | 4775 | Perl_croak(aTHX_ "Cannot compress non integer"); |
bbce6d69 | 4776 | } |
def98dd4 | 4777 | break; |
a0d0e21e LW |
4778 | case 'i': |
4779 | while (len-- > 0) { | |
4780 | fromstr = NEXTFROM; | |
4781 | aint = SvIV(fromstr); | |
4782 | sv_catpvn(cat, (char*)&aint, sizeof(int)); | |
4783 | } | |
4784 | break; | |
4785 | case 'N': | |
4786 | while (len-- > 0) { | |
4787 | fromstr = NEXTFROM; | |
96e4d5b1 | 4788 | aulong = SvUV(fromstr); |
a0d0e21e | 4789 | #ifdef HAS_HTONL |
6ad3d225 | 4790 | aulong = PerlSock_htonl(aulong); |
79072805 | 4791 | #endif |
96e4d5b1 | 4792 | CAT32(cat, &aulong); |
a0d0e21e LW |
4793 | } |
4794 | break; | |
4795 | case 'V': | |
4796 | while (len-- > 0) { | |
4797 | fromstr = NEXTFROM; | |
96e4d5b1 | 4798 | aulong = SvUV(fromstr); |
a0d0e21e LW |
4799 | #ifdef HAS_HTOVL |
4800 | aulong = htovl(aulong); | |
79072805 | 4801 | #endif |
96e4d5b1 | 4802 | CAT32(cat, &aulong); |
a0d0e21e LW |
4803 | } |
4804 | break; | |
4805 | case 'L': | |
726ea183 | 4806 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 4807 | if (natint) { |
bf9315bb GS |
4808 | unsigned long aulong; |
4809 | ||
ef54e1a4 JH |
4810 | while (len-- > 0) { |
4811 | fromstr = NEXTFROM; | |
4812 | aulong = SvUV(fromstr); | |
4813 | sv_catpvn(cat, (char *)&aulong, sizeof(unsigned long)); | |
4814 | } | |
4815 | } | |
726ea183 JH |
4816 | else |
4817 | #endif | |
4818 | { | |
ef54e1a4 JH |
4819 | while (len-- > 0) { |
4820 | fromstr = NEXTFROM; | |
4821 | aulong = SvUV(fromstr); | |
4822 | CAT32(cat, &aulong); | |
4823 | } | |
a0d0e21e LW |
4824 | } |
4825 | break; | |
4826 | case 'l': | |
726ea183 | 4827 | #if LONGSIZE != SIZE32 |
ef54e1a4 | 4828 | if (natint) { |
bf9315bb GS |
4829 | long along; |
4830 | ||
ef54e1a4 JH |
4831 | while (len-- > 0) { |
4832 | fromstr = NEXTFROM; | |
4833 | along = SvIV(fromstr); | |
4834 | sv_catpvn(cat, (char *)&along, sizeof(long)); | |
4835 | } | |
4836 | } | |
726ea183 JH |
4837 | else |
4838 | #endif | |
4839 | { | |
ef54e1a4 JH |
4840 | while (len-- > 0) { |
4841 | fromstr = NEXTFROM; | |
4842 | along = SvIV(fromstr); | |
4843 | CAT32(cat, &along); | |
4844 | } | |
a0d0e21e LW |
4845 | } |
4846 | break; | |
ecfc5424 | 4847 | #ifdef HAS_QUAD |
a0d0e21e LW |
4848 | case 'Q': |
4849 | while (len-- > 0) { | |
4850 | fromstr = NEXTFROM; | |
bf9315bb | 4851 | auquad = (Uquad_t)SvUV(fromstr); |
e862df63 | 4852 | sv_catpvn(cat, (char*)&auquad, sizeof(Uquad_t)); |
a0d0e21e LW |
4853 | } |
4854 | break; | |
4855 | case 'q': | |
4856 | while (len-- > 0) { | |
4857 | fromstr = NEXTFROM; | |
ecfc5424 AD |
4858 | aquad = (Quad_t)SvIV(fromstr); |
4859 | sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t)); | |
a0d0e21e LW |
4860 | } |
4861 | break; | |
ecfc5424 | 4862 | #endif /* HAS_QUAD */ |
a0d0e21e LW |
4863 | case 'P': |
4864 | len = 1; /* assume SV is correct length */ | |
4865 | /* FALL THROUGH */ | |
4866 | case 'p': | |
4867 | while (len-- > 0) { | |
4868 | fromstr = NEXTFROM; | |
3280af22 | 4869 | if (fromstr == &PL_sv_undef) |
84902520 | 4870 | aptr = NULL; |
72dbcb4b | 4871 | else { |
2d8e6c8d | 4872 | STRLEN n_a; |
84902520 TB |
4873 | /* XXX better yet, could spirit away the string to |
4874 | * a safe spot and hang on to it until the result | |
4875 | * of pack() (and all copies of the result) are | |
4876 | * gone. | |
4877 | */ | |
599cee73 | 4878 | if (ckWARN(WARN_UNSAFE) && (SvTEMP(fromstr) || SvPADTMP(fromstr))) |
cea2e8a9 | 4879 | Perl_warner(aTHX_ WARN_UNSAFE, |
599cee73 | 4880 | "Attempt to pack pointer to temporary value"); |
84902520 | 4881 | if (SvPOK(fromstr) || SvNIOK(fromstr)) |
2d8e6c8d | 4882 | aptr = SvPV(fromstr,n_a); |
84902520 | 4883 | else |
2d8e6c8d | 4884 | aptr = SvPV_force(fromstr,n_a); |
72dbcb4b | 4885 | } |
a0d0e21e LW |
4886 | sv_catpvn(cat, (char*)&aptr, sizeof(char*)); |
4887 | } | |
4888 | break; | |
4889 | case 'u': | |
4890 | fromstr = NEXTFROM; | |
4891 | aptr = SvPV(fromstr, fromlen); | |
4892 | SvGROW(cat, fromlen * 4 / 3); | |
4893 | if (len <= 1) | |
4894 | len = 45; | |
4895 | else | |
4896 | len = len / 3 * 3; | |
4897 | while (fromlen > 0) { | |
4898 | I32 todo; | |
79072805 | 4899 | |
a0d0e21e LW |
4900 | if (fromlen > len) |
4901 | todo = len; | |
4902 | else | |
4903 | todo = fromlen; | |
4904 | doencodes(cat, aptr, todo); | |
4905 | fromlen -= todo; | |
4906 | aptr += todo; | |
4907 | } | |
4908 | break; | |
4909 | } | |
4910 | } | |
4911 | SvSETMAGIC(cat); | |
4912 | SP = ORIGMARK; | |
4913 | PUSHs(cat); | |
4914 | RETURN; | |
79072805 | 4915 | } |
a0d0e21e | 4916 | #undef NEXTFROM |
79072805 | 4917 | |
8ec5e241 | 4918 | |
a0d0e21e | 4919 | PP(pp_split) |
79072805 | 4920 | { |
4e35701f | 4921 | djSP; dTARG; |
a0d0e21e LW |
4922 | AV *ary; |
4923 | register I32 limit = POPi; /* note, negative is forever */ | |
4924 | SV *sv = POPs; | |
4925 | STRLEN len; | |
4926 | register char *s = SvPV(sv, len); | |
4927 | char *strend = s + len; | |
44a8e56a | 4928 | register PMOP *pm; |
d9f97599 | 4929 | register REGEXP *rx; |
a0d0e21e LW |
4930 | register SV *dstr; |
4931 | register char *m; | |
4932 | I32 iters = 0; | |
4933 | I32 maxiters = (strend - s) + 10; | |
4934 | I32 i; | |
4935 | char *orig; | |
4936 | I32 origlimit = limit; | |
4937 | I32 realarray = 0; | |
4938 | I32 base; | |
3280af22 | 4939 | AV *oldstack = PL_curstack; |
54310121 | 4940 | I32 gimme = GIMME_V; |
3280af22 | 4941 | I32 oldsave = PL_savestack_ix; |
8ec5e241 NIS |
4942 | I32 make_mortal = 1; |
4943 | MAGIC *mg = (MAGIC *) NULL; | |
79072805 | 4944 | |
44a8e56a | 4945 | #ifdef DEBUGGING |
4946 | Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*); | |
4947 | #else | |
4948 | pm = (PMOP*)POPs; | |
4949 | #endif | |
a0d0e21e | 4950 | if (!pm || !s) |
cea2e8a9 | 4951 | DIE(aTHX_ "panic: do_split"); |
d9f97599 | 4952 | rx = pm->op_pmregexp; |
bbce6d69 | 4953 | |
4954 | TAINT_IF((pm->op_pmflags & PMf_LOCALE) && | |
4955 | (pm->op_pmflags & (PMf_WHITE | PMf_SKIPWHITE))); | |
4956 | ||
a0d0e21e LW |
4957 | if (pm->op_pmreplroot) |
4958 | ary = GvAVn((GV*)pm->op_pmreplroot); | |
4959 | else if (gimme != G_ARRAY) | |
6d4ff0d2 | 4960 | #ifdef USE_THREADS |
533c011a | 4961 | ary = (AV*)PL_curpad[0]; |
6d4ff0d2 | 4962 | #else |
3280af22 | 4963 | ary = GvAVn(PL_defgv); |
6d4ff0d2 | 4964 | #endif /* USE_THREADS */ |
79072805 | 4965 | else |
a0d0e21e LW |
4966 | ary = Nullav; |
4967 | if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) { | |
4968 | realarray = 1; | |
8ec5e241 | 4969 | PUTBACK; |
a0d0e21e LW |
4970 | av_extend(ary,0); |
4971 | av_clear(ary); | |
8ec5e241 | 4972 | SPAGAIN; |
33c27489 | 4973 | if (mg = SvTIED_mg((SV*)ary, 'P')) { |
8ec5e241 | 4974 | PUSHMARK(SP); |
33c27489 | 4975 | XPUSHs(SvTIED_obj((SV*)ary, mg)); |
8ec5e241 NIS |
4976 | } |
4977 | else { | |
1c0b011c NIS |
4978 | if (!AvREAL(ary)) { |
4979 | AvREAL_on(ary); | |
4980 | for (i = AvFILLp(ary); i >= 0; i--) | |
3280af22 | 4981 | AvARRAY(ary)[i] = &PL_sv_undef; /* don't free mere refs */ |
1c0b011c NIS |
4982 | } |
4983 | /* temporarily switch stacks */ | |
3280af22 | 4984 | SWITCHSTACK(PL_curstack, ary); |
8ec5e241 | 4985 | make_mortal = 0; |
1c0b011c | 4986 | } |
79072805 | 4987 | } |
3280af22 | 4988 | base = SP - PL_stack_base; |
a0d0e21e LW |
4989 | orig = s; |
4990 | if (pm->op_pmflags & PMf_SKIPWHITE) { | |
bbce6d69 | 4991 | if (pm->op_pmflags & PMf_LOCALE) { |
4992 | while (isSPACE_LC(*s)) | |
4993 | s++; | |
4994 | } | |
4995 | else { | |
4996 | while (isSPACE(*s)) | |
4997 | s++; | |
4998 | } | |
a0d0e21e | 4999 | } |
c07a80fd | 5000 | if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) { |
3280af22 NIS |
5001 | SAVEINT(PL_multiline); |
5002 | PL_multiline = pm->op_pmflags & PMf_MULTILINE; | |
c07a80fd | 5003 | } |
5004 | ||
a0d0e21e LW |
5005 | if (!limit) |
5006 | limit = maxiters + 2; | |
5007 | if (pm->op_pmflags & PMf_WHITE) { | |
5008 | while (--limit) { | |
bbce6d69 | 5009 | m = s; |
5010 | while (m < strend && | |
5011 | !((pm->op_pmflags & PMf_LOCALE) | |
5012 | ? isSPACE_LC(*m) : isSPACE(*m))) | |
5013 | ++m; | |
a0d0e21e LW |
5014 | if (m >= strend) |
5015 | break; | |
bbce6d69 | 5016 | |
a0d0e21e LW |
5017 | dstr = NEWSV(30, m-s); |
5018 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5019 | if (make_mortal) |
a0d0e21e LW |
5020 | sv_2mortal(dstr); |
5021 | XPUSHs(dstr); | |
bbce6d69 | 5022 | |
5023 | s = m + 1; | |
5024 | while (s < strend && | |
5025 | ((pm->op_pmflags & PMf_LOCALE) | |
5026 | ? isSPACE_LC(*s) : isSPACE(*s))) | |
5027 | ++s; | |
79072805 LW |
5028 | } |
5029 | } | |
2cdd06f7 IZ |
5030 | else if (rx->prelen == 1 && *rx->precomp == '^') { |
5031 | if (!(pm->op_pmflags & PMf_MULTILINE) | |
5032 | && !(pm->op_pmregexp->reganch & ROPT_WARNED)) { | |
0e8f60dd | 5033 | if (ckWARN(WARN_DEPRECATED)) |
46a8fef3 PM |
5034 | Perl_warner(aTHX_ WARN_DEPRECATED, |
5035 | "split /^/ better written as split /^/m"); | |
2cdd06f7 IZ |
5036 | pm->op_pmregexp->reganch |= ROPT_WARNED; |
5037 | } | |
a0d0e21e LW |
5038 | while (--limit) { |
5039 | /*SUPPRESS 530*/ | |
5040 | for (m = s; m < strend && *m != '\n'; m++) ; | |
5041 | m++; | |
5042 | if (m >= strend) | |
5043 | break; | |
5044 | dstr = NEWSV(30, m-s); | |
5045 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5046 | if (make_mortal) |
a0d0e21e LW |
5047 | sv_2mortal(dstr); |
5048 | XPUSHs(dstr); | |
5049 | s = m; | |
5050 | } | |
5051 | } | |
f722798b | 5052 | else if ((rx->reganch & RE_USE_INTUIT) && !rx->nparens |
d9f97599 GS |
5053 | && (rx->reganch & ROPT_CHECK_ALL) |
5054 | && !(rx->reganch & ROPT_ANCH)) { | |
f722798b IZ |
5055 | int tail = (rx->reganch & RE_INTUIT_TAIL); |
5056 | SV *csv = CALLREG_INTUIT_STRING(aTHX_ rx); | |
5057 | char c; | |
cf93c79d | 5058 | |
ca5b42cb GS |
5059 | len = rx->minlen; |
5060 | if (len == 1 && !tail) { | |
5061 | c = *SvPV(csv,len); | |
a0d0e21e | 5062 | while (--limit) { |
bbce6d69 | 5063 | /*SUPPRESS 530*/ |
f722798b | 5064 | for (m = s; m < strend && *m != c; m++) ; |
a0d0e21e LW |
5065 | if (m >= strend) |
5066 | break; | |
5067 | dstr = NEWSV(30, m-s); | |
5068 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5069 | if (make_mortal) |
a0d0e21e LW |
5070 | sv_2mortal(dstr); |
5071 | XPUSHs(dstr); | |
5072 | s = m + 1; | |
5073 | } | |
5074 | } | |
5075 | else { | |
5076 | #ifndef lint | |
5077 | while (s < strend && --limit && | |
f722798b IZ |
5078 | (m = fbm_instr((unsigned char*)s, (unsigned char*)strend, |
5079 | csv, PL_multiline ? FBMrf_MULTILINE : 0)) ) | |
79072805 | 5080 | #endif |
a0d0e21e LW |
5081 | { |
5082 | dstr = NEWSV(31, m-s); | |
5083 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5084 | if (make_mortal) |
a0d0e21e LW |
5085 | sv_2mortal(dstr); |
5086 | XPUSHs(dstr); | |
ca5b42cb | 5087 | s = m + len; /* Fake \n at the end */ |
a0d0e21e | 5088 | } |
463ee0b2 | 5089 | } |
463ee0b2 | 5090 | } |
a0d0e21e | 5091 | else { |
d9f97599 | 5092 | maxiters += (strend - s) * rx->nparens; |
f722798b IZ |
5093 | while (s < strend && --limit |
5094 | /* && (!rx->check_substr | |
5095 | || ((s = CALLREG_INTUIT_START(aTHX_ rx, sv, s, strend, | |
5096 | 0, NULL)))) | |
5097 | */ && CALLREGEXEC(aTHX_ rx, s, strend, orig, | |
5098 | 1 /* minend */, sv, NULL, 0)) | |
bbce6d69 | 5099 | { |
d9f97599 | 5100 | TAINT_IF(RX_MATCH_TAINTED(rx)); |
cf93c79d | 5101 | if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) { |
a0d0e21e LW |
5102 | m = s; |
5103 | s = orig; | |
cf93c79d | 5104 | orig = rx->subbeg; |
a0d0e21e LW |
5105 | s = orig + (m - s); |
5106 | strend = s + (strend - m); | |
5107 | } | |
cf93c79d | 5108 | m = rx->startp[0] + orig; |
a0d0e21e LW |
5109 | dstr = NEWSV(32, m-s); |
5110 | sv_setpvn(dstr, s, m-s); | |
8ec5e241 | 5111 | if (make_mortal) |
a0d0e21e LW |
5112 | sv_2mortal(dstr); |
5113 | XPUSHs(dstr); | |
d9f97599 GS |
5114 | if (rx->nparens) { |
5115 | for (i = 1; i <= rx->nparens; i++) { | |
cf93c79d IZ |
5116 | s = rx->startp[i] + orig; |
5117 | m = rx->endp[i] + orig; | |
748a9306 LW |
5118 | if (m && s) { |
5119 | dstr = NEWSV(33, m-s); | |
5120 | sv_setpvn(dstr, s, m-s); | |
5121 | } | |
5122 | else | |
5123 | dstr = NEWSV(33, 0); | |
8ec5e241 | 5124 | if (make_mortal) |
a0d0e21e LW |
5125 | sv_2mortal(dstr); |
5126 | XPUSHs(dstr); | |
5127 | } | |
5128 | } | |
cf93c79d | 5129 | s = rx->endp[0] + orig; |
a0d0e21e | 5130 | } |
79072805 | 5131 | } |
8ec5e241 | 5132 | |
c07a80fd | 5133 | LEAVE_SCOPE(oldsave); |
3280af22 | 5134 | iters = (SP - PL_stack_base) - base; |
a0d0e21e | 5135 | if (iters > maxiters) |
cea2e8a9 | 5136 | DIE(aTHX_ "Split loop"); |
8ec5e241 | 5137 | |
a0d0e21e LW |
5138 | /* keep field after final delim? */ |
5139 | if (s < strend || (iters && origlimit)) { | |
5140 | dstr = NEWSV(34, strend-s); | |
5141 | sv_setpvn(dstr, s, strend-s); | |
8ec5e241 | 5142 | if (make_mortal) |
a0d0e21e LW |
5143 | sv_2mortal(dstr); |
5144 | XPUSHs(dstr); | |
5145 | iters++; | |
79072805 | 5146 | } |
a0d0e21e | 5147 | else if (!origlimit) { |
b1dadf13 | 5148 | while (iters > 0 && (!TOPs || !SvANY(TOPs) || SvCUR(TOPs) == 0)) |
a0d0e21e LW |
5149 | iters--, SP--; |
5150 | } | |
8ec5e241 | 5151 | |
a0d0e21e | 5152 | if (realarray) { |
8ec5e241 | 5153 | if (!mg) { |
1c0b011c NIS |
5154 | SWITCHSTACK(ary, oldstack); |
5155 | if (SvSMAGICAL(ary)) { | |
5156 | PUTBACK; | |
5157 | mg_set((SV*)ary); | |
5158 | SPAGAIN; | |
5159 | } | |
5160 | if (gimme == G_ARRAY) { | |
5161 | EXTEND(SP, iters); | |
5162 | Copy(AvARRAY(ary), SP + 1, iters, SV*); | |
5163 | SP += iters; | |
5164 | RETURN; | |
5165 | } | |
8ec5e241 | 5166 | } |
1c0b011c | 5167 | else { |
fb73857a | 5168 | PUTBACK; |
8ec5e241 | 5169 | ENTER; |
864dbfa3 | 5170 | call_method("PUSH",G_SCALAR|G_DISCARD); |
8ec5e241 | 5171 | LEAVE; |
fb73857a | 5172 | SPAGAIN; |
8ec5e241 NIS |
5173 | if (gimme == G_ARRAY) { |
5174 | /* EXTEND should not be needed - we just popped them */ | |
5175 | EXTEND(SP, iters); | |
5176 | for (i=0; i < iters; i++) { | |
5177 | SV **svp = av_fetch(ary, i, FALSE); | |
3280af22 | 5178 | PUSHs((svp) ? *svp : &PL_sv_undef); |
8ec5e241 | 5179 | } |
1c0b011c NIS |
5180 | RETURN; |
5181 | } | |
a0d0e21e LW |
5182 | } |
5183 | } | |
5184 | else { | |
5185 | if (gimme == G_ARRAY) | |
5186 | RETURN; | |
5187 | } | |
5188 | if (iters || !pm->op_pmreplroot) { | |
5189 | GETTARGET; | |
5190 | PUSHi(iters); | |
5191 | RETURN; | |
5192 | } | |
5193 | RETPUSHUNDEF; | |
79072805 | 5194 | } |
85e6fe83 | 5195 | |
c0329465 | 5196 | #ifdef USE_THREADS |
77a005ab | 5197 | void |
864dbfa3 | 5198 | Perl_unlock_condpair(pTHX_ void *svv) |
c0329465 MB |
5199 | { |
5200 | dTHR; | |
5201 | MAGIC *mg = mg_find((SV*)svv, 'm'); | |
8ec5e241 | 5202 | |
c0329465 | 5203 | if (!mg) |
cea2e8a9 | 5204 | Perl_croak(aTHX_ "panic: unlock_condpair unlocking non-mutex"); |
c0329465 MB |
5205 | MUTEX_LOCK(MgMUTEXP(mg)); |
5206 | if (MgOWNER(mg) != thr) | |
cea2e8a9 | 5207 | Perl_croak(aTHX_ "panic: unlock_condpair unlocking mutex that we don't own"); |
c0329465 MB |
5208 | MgOWNER(mg) = 0; |
5209 | COND_SIGNAL(MgOWNERCONDP(mg)); | |
8b73bbec | 5210 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), "0x%lx: unlock 0x%lx\n", |
bc1f4c86 | 5211 | (unsigned long)thr, (unsigned long)svv);) |
c0329465 MB |
5212 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
5213 | } | |
5214 | #endif /* USE_THREADS */ | |
5215 | ||
5216 | PP(pp_lock) | |
5217 | { | |
4e35701f | 5218 | djSP; |
c0329465 | 5219 | dTOPss; |
e55aaa0e MB |
5220 | SV *retsv = sv; |
5221 | #ifdef USE_THREADS | |
c0329465 | 5222 | MAGIC *mg; |
8ec5e241 | 5223 | |
c0329465 MB |
5224 | if (SvROK(sv)) |
5225 | sv = SvRV(sv); | |
5226 | ||
5227 | mg = condpair_magic(sv); | |
5228 | MUTEX_LOCK(MgMUTEXP(mg)); | |
5229 | if (MgOWNER(mg) == thr) | |
5230 | MUTEX_UNLOCK(MgMUTEXP(mg)); | |
5231 | else { | |
5232 | while (MgOWNER(mg)) | |
5233 | COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg)); | |
5234 | MgOWNER(mg) = thr; | |
8b73bbec | 5235 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), "0x%lx: pp_lock lock 0x%lx\n", |
bc1f4c86 | 5236 | (unsigned long)thr, (unsigned long)sv);) |
c0329465 | 5237 | MUTEX_UNLOCK(MgMUTEXP(mg)); |
51371543 | 5238 | SAVEDESTRUCTOR(Perl_unlock_condpair, sv); |
c0329465 MB |
5239 | } |
5240 | #endif /* USE_THREADS */ | |
e55aaa0e MB |
5241 | if (SvTYPE(retsv) == SVt_PVAV || SvTYPE(retsv) == SVt_PVHV |
5242 | || SvTYPE(retsv) == SVt_PVCV) { | |
5243 | retsv = refto(retsv); | |
5244 | } | |
5245 | SETs(retsv); | |
c0329465 MB |
5246 | RETURN; |
5247 | } | |
a863c7d1 | 5248 | |
2faa37cc | 5249 | PP(pp_threadsv) |
a863c7d1 | 5250 | { |
12f917ad | 5251 | djSP; |
57d3b86d | 5252 | #ifdef USE_THREADS |
924508f0 | 5253 | EXTEND(SP, 1); |
533c011a NIS |
5254 | if (PL_op->op_private & OPpLVAL_INTRO) |
5255 | PUSHs(*save_threadsv(PL_op->op_targ)); | |
554b3eca | 5256 | else |
533c011a | 5257 | PUSHs(THREADSV(PL_op->op_targ)); |
fdb47d66 | 5258 | RETURN; |
a863c7d1 | 5259 | #else |
cea2e8a9 | 5260 | DIE(aTHX_ "tried to access per-thread data in non-threaded perl"); |
a863c7d1 | 5261 | #endif /* USE_THREADS */ |
a863c7d1 | 5262 | } |