Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* sv.c |
79072805 | 2 | * |
4eb8286e | 3 | * Copyright (c) 1991-1999, Larry Wall |
79072805 LW |
4 | * |
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. | |
7 | * | |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "I wonder what the Entish is for 'yes' and 'no'," he thought. | |
79072805 LW |
12 | */ |
13 | ||
14 | #include "EXTERN.h" | |
864dbfa3 | 15 | #define PERL_IN_SV_C |
79072805 | 16 | #include "perl.h" |
79072805 | 17 | |
51371543 | 18 | #define FCALL *f |
6fc92669 | 19 | #define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) sv_force_normal(sv) |
2c5424a7 | 20 | |
51371543 GS |
21 | static void do_report_used(pTHXo_ SV *sv); |
22 | static void do_clean_objs(pTHXo_ SV *sv); | |
23 | #ifndef DISABLE_DESTRUCTOR_KLUDGE | |
24 | static void do_clean_named_objs(pTHXo_ SV *sv); | |
25 | #endif | |
26 | static void do_clean_all(pTHXo_ SV *sv); | |
27 | ||
28 | ||
a0d0e21e | 29 | #ifdef PURIFY |
79072805 | 30 | |
053fc874 GS |
31 | #define new_SV(p) \ |
32 | STMT_START { \ | |
33 | LOCK_SV_MUTEX; \ | |
34 | (p) = (SV*)safemalloc(sizeof(SV)); \ | |
35 | reg_add(p); \ | |
36 | UNLOCK_SV_MUTEX; \ | |
37 | SvANY(p) = 0; \ | |
38 | SvREFCNT(p) = 1; \ | |
39 | SvFLAGS(p) = 0; \ | |
40 | } STMT_END | |
41 | ||
42 | #define del_SV(p) \ | |
43 | STMT_START { \ | |
44 | LOCK_SV_MUTEX; \ | |
45 | reg_remove(p); \ | |
46 | Safefree((char*)(p)); \ | |
47 | UNLOCK_SV_MUTEX; \ | |
48 | } STMT_END | |
4561caa4 CS |
49 | |
50 | static SV **registry; | |
00db4c45 | 51 | static I32 registry_size; |
4561caa4 CS |
52 | |
53 | #define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size)) | |
54 | ||
55 | #define REG_REPLACE(sv,a,b) \ | |
053fc874 GS |
56 | STMT_START { \ |
57 | void* p = sv->sv_any; \ | |
58 | I32 h = REGHASH(sv, registry_size); \ | |
59 | I32 i = h; \ | |
60 | while (registry[i] != (a)) { \ | |
61 | if (++i >= registry_size) \ | |
62 | i = 0; \ | |
63 | if (i == h) \ | |
cea2e8a9 | 64 | Perl_die(aTHX_ "SV registry bug"); \ |
053fc874 GS |
65 | } \ |
66 | registry[i] = (b); \ | |
67 | } STMT_END | |
4561caa4 CS |
68 | |
69 | #define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv) | |
70 | #define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv) | |
71 | ||
ba106d47 | 72 | STATIC void |
cea2e8a9 | 73 | S_reg_add(pTHX_ SV *sv) |
4561caa4 | 74 | { |
3280af22 | 75 | if (PL_sv_count >= (registry_size >> 1)) |
4561caa4 CS |
76 | { |
77 | SV **oldreg = registry; | |
00db4c45 | 78 | I32 oldsize = registry_size; |
4561caa4 | 79 | |
00db4c45 GS |
80 | registry_size = registry_size ? ((registry_size << 2) + 1) : 2037; |
81 | Newz(707, registry, registry_size, SV*); | |
4561caa4 CS |
82 | |
83 | if (oldreg) { | |
84 | I32 i; | |
85 | ||
86 | for (i = 0; i < oldsize; ++i) { | |
87 | SV* oldsv = oldreg[i]; | |
88 | if (oldsv) | |
89 | REG_ADD(oldsv); | |
90 | } | |
91 | Safefree(oldreg); | |
92 | } | |
93 | } | |
94 | ||
95 | REG_ADD(sv); | |
3280af22 | 96 | ++PL_sv_count; |
4561caa4 CS |
97 | } |
98 | ||
ba106d47 | 99 | STATIC void |
cea2e8a9 | 100 | S_reg_remove(pTHX_ SV *sv) |
4561caa4 CS |
101 | { |
102 | REG_REMOVE(sv); | |
3280af22 | 103 | --PL_sv_count; |
4561caa4 CS |
104 | } |
105 | ||
ba106d47 | 106 | STATIC void |
cea2e8a9 | 107 | S_visit(pTHX_ SVFUNC_t f) |
4561caa4 CS |
108 | { |
109 | I32 i; | |
110 | ||
00db4c45 | 111 | for (i = 0; i < registry_size; ++i) { |
4561caa4 | 112 | SV* sv = registry[i]; |
00db4c45 | 113 | if (sv && SvTYPE(sv) != SVTYPEMASK) |
4561caa4 CS |
114 | (*f)(sv); |
115 | } | |
116 | } | |
a0d0e21e | 117 | |
4633a7c4 | 118 | void |
864dbfa3 | 119 | Perl_sv_add_arena(pTHX_ char *ptr, U32 size, U32 flags) |
4633a7c4 LW |
120 | { |
121 | if (!(flags & SVf_FAKE)) | |
6ad3d225 | 122 | Safefree(ptr); |
4633a7c4 LW |
123 | } |
124 | ||
4561caa4 CS |
125 | #else /* ! PURIFY */ |
126 | ||
127 | /* | |
128 | * "A time to plant, and a time to uproot what was planted..." | |
129 | */ | |
130 | ||
053fc874 GS |
131 | #define plant_SV(p) \ |
132 | STMT_START { \ | |
133 | SvANY(p) = (void *)PL_sv_root; \ | |
134 | SvFLAGS(p) = SVTYPEMASK; \ | |
135 | PL_sv_root = (p); \ | |
136 | --PL_sv_count; \ | |
137 | } STMT_END | |
a0d0e21e | 138 | |
fba3b22e | 139 | /* sv_mutex must be held while calling uproot_SV() */ |
053fc874 GS |
140 | #define uproot_SV(p) \ |
141 | STMT_START { \ | |
142 | (p) = PL_sv_root; \ | |
143 | PL_sv_root = (SV*)SvANY(p); \ | |
144 | ++PL_sv_count; \ | |
145 | } STMT_END | |
146 | ||
147 | #define new_SV(p) \ | |
148 | STMT_START { \ | |
149 | LOCK_SV_MUTEX; \ | |
150 | if (PL_sv_root) \ | |
151 | uproot_SV(p); \ | |
152 | else \ | |
153 | (p) = more_sv(); \ | |
154 | UNLOCK_SV_MUTEX; \ | |
155 | SvANY(p) = 0; \ | |
156 | SvREFCNT(p) = 1; \ | |
157 | SvFLAGS(p) = 0; \ | |
158 | } STMT_END | |
463ee0b2 | 159 | |
a0d0e21e | 160 | #ifdef DEBUGGING |
4561caa4 | 161 | |
053fc874 GS |
162 | #define del_SV(p) \ |
163 | STMT_START { \ | |
164 | LOCK_SV_MUTEX; \ | |
165 | if (PL_debug & 32768) \ | |
166 | del_sv(p); \ | |
167 | else \ | |
168 | plant_SV(p); \ | |
169 | UNLOCK_SV_MUTEX; \ | |
170 | } STMT_END | |
a0d0e21e | 171 | |
76e3520e | 172 | STATIC void |
cea2e8a9 | 173 | S_del_sv(pTHX_ SV *p) |
463ee0b2 | 174 | { |
3280af22 | 175 | if (PL_debug & 32768) { |
4633a7c4 | 176 | SV* sva; |
a0d0e21e LW |
177 | SV* sv; |
178 | SV* svend; | |
179 | int ok = 0; | |
3280af22 | 180 | for (sva = PL_sv_arenaroot; sva; sva = (SV *) SvANY(sva)) { |
4633a7c4 LW |
181 | sv = sva + 1; |
182 | svend = &sva[SvREFCNT(sva)]; | |
a0d0e21e LW |
183 | if (p >= sv && p < svend) |
184 | ok = 1; | |
185 | } | |
186 | if (!ok) { | |
0453d815 PM |
187 | if (ckWARN_d(WARN_INTERNAL)) |
188 | Perl_warner(aTHX_ WARN_INTERNAL, | |
1d7c1841 GS |
189 | "Attempt to free non-arena SV: 0x%"UVxf, |
190 | PTR2UV(p)); | |
a0d0e21e LW |
191 | return; |
192 | } | |
193 | } | |
4561caa4 | 194 | plant_SV(p); |
463ee0b2 | 195 | } |
a0d0e21e | 196 | |
4561caa4 CS |
197 | #else /* ! DEBUGGING */ |
198 | ||
199 | #define del_SV(p) plant_SV(p) | |
200 | ||
201 | #endif /* DEBUGGING */ | |
463ee0b2 | 202 | |
4633a7c4 | 203 | void |
864dbfa3 | 204 | Perl_sv_add_arena(pTHX_ char *ptr, U32 size, U32 flags) |
463ee0b2 | 205 | { |
4633a7c4 | 206 | SV* sva = (SV*)ptr; |
463ee0b2 LW |
207 | register SV* sv; |
208 | register SV* svend; | |
4633a7c4 LW |
209 | Zero(sva, size, char); |
210 | ||
211 | /* The first SV in an arena isn't an SV. */ | |
3280af22 | 212 | SvANY(sva) = (void *) PL_sv_arenaroot; /* ptr to next arena */ |
4633a7c4 LW |
213 | SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */ |
214 | SvFLAGS(sva) = flags; /* FAKE if not to be freed */ | |
215 | ||
3280af22 NIS |
216 | PL_sv_arenaroot = sva; |
217 | PL_sv_root = sva + 1; | |
4633a7c4 LW |
218 | |
219 | svend = &sva[SvREFCNT(sva) - 1]; | |
220 | sv = sva + 1; | |
463ee0b2 | 221 | while (sv < svend) { |
a0d0e21e | 222 | SvANY(sv) = (void *)(SV*)(sv + 1); |
8990e307 | 223 | SvFLAGS(sv) = SVTYPEMASK; |
463ee0b2 LW |
224 | sv++; |
225 | } | |
226 | SvANY(sv) = 0; | |
4633a7c4 LW |
227 | SvFLAGS(sv) = SVTYPEMASK; |
228 | } | |
229 | ||
fba3b22e | 230 | /* sv_mutex must be held while calling more_sv() */ |
76e3520e | 231 | STATIC SV* |
cea2e8a9 | 232 | S_more_sv(pTHX) |
4633a7c4 | 233 | { |
4561caa4 CS |
234 | register SV* sv; |
235 | ||
3280af22 NIS |
236 | if (PL_nice_chunk) { |
237 | sv_add_arena(PL_nice_chunk, PL_nice_chunk_size, 0); | |
238 | PL_nice_chunk = Nullch; | |
c07a80fd | 239 | } |
1edc1566 | 240 | else { |
241 | char *chunk; /* must use New here to match call to */ | |
242 | New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */ | |
243 | sv_add_arena(chunk, 1008, 0); | |
244 | } | |
4561caa4 CS |
245 | uproot_SV(sv); |
246 | return sv; | |
463ee0b2 LW |
247 | } |
248 | ||
76e3520e | 249 | STATIC void |
cea2e8a9 | 250 | S_visit(pTHX_ SVFUNC_t f) |
8990e307 | 251 | { |
4633a7c4 | 252 | SV* sva; |
8990e307 LW |
253 | SV* sv; |
254 | register SV* svend; | |
255 | ||
3280af22 | 256 | for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { |
4633a7c4 | 257 | svend = &sva[SvREFCNT(sva)]; |
4561caa4 CS |
258 | for (sv = sva + 1; sv < svend; ++sv) { |
259 | if (SvTYPE(sv) != SVTYPEMASK) | |
51371543 | 260 | (FCALL)(aTHXo_ sv); |
8990e307 LW |
261 | } |
262 | } | |
263 | } | |
264 | ||
4561caa4 CS |
265 | #endif /* PURIFY */ |
266 | ||
8990e307 | 267 | void |
864dbfa3 | 268 | Perl_sv_report_used(pTHX) |
4561caa4 | 269 | { |
0b94c7bb | 270 | visit(do_report_used); |
4561caa4 CS |
271 | } |
272 | ||
4561caa4 | 273 | void |
864dbfa3 | 274 | Perl_sv_clean_objs(pTHX) |
4561caa4 | 275 | { |
3280af22 | 276 | PL_in_clean_objs = TRUE; |
0b94c7bb | 277 | visit(do_clean_objs); |
4561caa4 | 278 | #ifndef DISABLE_DESTRUCTOR_KLUDGE |
2d0f3c12 | 279 | /* some barnacles may yet remain, clinging to typeglobs */ |
0b94c7bb | 280 | visit(do_clean_named_objs); |
4561caa4 | 281 | #endif |
3280af22 | 282 | PL_in_clean_objs = FALSE; |
4561caa4 CS |
283 | } |
284 | ||
8990e307 | 285 | void |
864dbfa3 | 286 | Perl_sv_clean_all(pTHX) |
8990e307 | 287 | { |
3280af22 | 288 | PL_in_clean_all = TRUE; |
0b94c7bb | 289 | visit(do_clean_all); |
3280af22 | 290 | PL_in_clean_all = FALSE; |
8990e307 | 291 | } |
463ee0b2 | 292 | |
4633a7c4 | 293 | void |
864dbfa3 | 294 | Perl_sv_free_arenas(pTHX) |
4633a7c4 LW |
295 | { |
296 | SV* sva; | |
297 | SV* svanext; | |
298 | ||
299 | /* Free arenas here, but be careful about fake ones. (We assume | |
300 | contiguity of the fake ones with the corresponding real ones.) */ | |
301 | ||
3280af22 | 302 | for (sva = PL_sv_arenaroot; sva; sva = svanext) { |
4633a7c4 LW |
303 | svanext = (SV*) SvANY(sva); |
304 | while (svanext && SvFAKE(svanext)) | |
305 | svanext = (SV*) SvANY(svanext); | |
306 | ||
307 | if (!SvFAKE(sva)) | |
1edc1566 | 308 | Safefree((void *)sva); |
4633a7c4 | 309 | } |
5f05dabc | 310 | |
3280af22 NIS |
311 | if (PL_nice_chunk) |
312 | Safefree(PL_nice_chunk); | |
313 | PL_nice_chunk = Nullch; | |
314 | PL_nice_chunk_size = 0; | |
315 | PL_sv_arenaroot = 0; | |
316 | PL_sv_root = 0; | |
4633a7c4 LW |
317 | } |
318 | ||
1d7c1841 GS |
319 | void |
320 | Perl_report_uninit(pTHX) | |
321 | { | |
322 | if (PL_op) | |
323 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit, | |
324 | " in ", PL_op_desc[PL_op->op_type]); | |
325 | else | |
326 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit, "", ""); | |
327 | } | |
328 | ||
76e3520e | 329 | STATIC XPVIV* |
cea2e8a9 | 330 | S_new_xiv(pTHX) |
463ee0b2 | 331 | { |
ea7c11a3 | 332 | IV* xiv; |
cbe51380 GS |
333 | LOCK_SV_MUTEX; |
334 | if (!PL_xiv_root) | |
335 | more_xiv(); | |
336 | xiv = PL_xiv_root; | |
337 | /* | |
338 | * See comment in more_xiv() -- RAM. | |
339 | */ | |
340 | PL_xiv_root = *(IV**)xiv; | |
341 | UNLOCK_SV_MUTEX; | |
342 | return (XPVIV*)((char*)xiv - STRUCT_OFFSET(XPVIV, xiv_iv)); | |
463ee0b2 LW |
343 | } |
344 | ||
76e3520e | 345 | STATIC void |
cea2e8a9 | 346 | S_del_xiv(pTHX_ XPVIV *p) |
463ee0b2 | 347 | { |
23e6a22f | 348 | IV* xiv = (IV*)((char*)(p) + STRUCT_OFFSET(XPVIV, xiv_iv)); |
cbe51380 | 349 | LOCK_SV_MUTEX; |
3280af22 NIS |
350 | *(IV**)xiv = PL_xiv_root; |
351 | PL_xiv_root = xiv; | |
cbe51380 | 352 | UNLOCK_SV_MUTEX; |
463ee0b2 LW |
353 | } |
354 | ||
cbe51380 | 355 | STATIC void |
cea2e8a9 | 356 | S_more_xiv(pTHX) |
463ee0b2 | 357 | { |
ea7c11a3 SM |
358 | register IV* xiv; |
359 | register IV* xivend; | |
8c52afec IZ |
360 | XPV* ptr; |
361 | New(705, ptr, 1008/sizeof(XPV), XPV); | |
3280af22 NIS |
362 | ptr->xpv_pv = (char*)PL_xiv_arenaroot; /* linked list of xiv arenas */ |
363 | PL_xiv_arenaroot = ptr; /* to keep Purify happy */ | |
a0d0e21e | 364 | |
ea7c11a3 SM |
365 | xiv = (IV*) ptr; |
366 | xivend = &xiv[1008 / sizeof(IV) - 1]; | |
367 | xiv += (sizeof(XPV) - 1) / sizeof(IV) + 1; /* fudge by size of XPV */ | |
3280af22 | 368 | PL_xiv_root = xiv; |
463ee0b2 | 369 | while (xiv < xivend) { |
ea7c11a3 | 370 | *(IV**)xiv = (IV *)(xiv + 1); |
463ee0b2 LW |
371 | xiv++; |
372 | } | |
ea7c11a3 | 373 | *(IV**)xiv = 0; |
463ee0b2 LW |
374 | } |
375 | ||
76e3520e | 376 | STATIC XPVNV* |
cea2e8a9 | 377 | S_new_xnv(pTHX) |
463ee0b2 | 378 | { |
65202027 | 379 | NV* xnv; |
cbe51380 GS |
380 | LOCK_SV_MUTEX; |
381 | if (!PL_xnv_root) | |
382 | more_xnv(); | |
383 | xnv = PL_xnv_root; | |
65202027 | 384 | PL_xnv_root = *(NV**)xnv; |
cbe51380 GS |
385 | UNLOCK_SV_MUTEX; |
386 | return (XPVNV*)((char*)xnv - STRUCT_OFFSET(XPVNV, xnv_nv)); | |
463ee0b2 LW |
387 | } |
388 | ||
76e3520e | 389 | STATIC void |
cea2e8a9 | 390 | S_del_xnv(pTHX_ XPVNV *p) |
463ee0b2 | 391 | { |
65202027 | 392 | NV* xnv = (NV*)((char*)(p) + STRUCT_OFFSET(XPVNV, xnv_nv)); |
cbe51380 | 393 | LOCK_SV_MUTEX; |
65202027 | 394 | *(NV**)xnv = PL_xnv_root; |
3280af22 | 395 | PL_xnv_root = xnv; |
cbe51380 | 396 | UNLOCK_SV_MUTEX; |
463ee0b2 LW |
397 | } |
398 | ||
cbe51380 | 399 | STATIC void |
cea2e8a9 | 400 | S_more_xnv(pTHX) |
463ee0b2 | 401 | { |
65202027 DS |
402 | register NV* xnv; |
403 | register NV* xnvend; | |
404 | New(711, xnv, 1008/sizeof(NV), NV); | |
405 | xnvend = &xnv[1008 / sizeof(NV) - 1]; | |
406 | xnv += (sizeof(XPVIV) - 1) / sizeof(NV) + 1; /* fudge by sizeof XPVIV */ | |
3280af22 | 407 | PL_xnv_root = xnv; |
463ee0b2 | 408 | while (xnv < xnvend) { |
65202027 | 409 | *(NV**)xnv = (NV*)(xnv + 1); |
463ee0b2 LW |
410 | xnv++; |
411 | } | |
65202027 | 412 | *(NV**)xnv = 0; |
463ee0b2 LW |
413 | } |
414 | ||
76e3520e | 415 | STATIC XRV* |
cea2e8a9 | 416 | S_new_xrv(pTHX) |
ed6116ce LW |
417 | { |
418 | XRV* xrv; | |
cbe51380 GS |
419 | LOCK_SV_MUTEX; |
420 | if (!PL_xrv_root) | |
421 | more_xrv(); | |
422 | xrv = PL_xrv_root; | |
423 | PL_xrv_root = (XRV*)xrv->xrv_rv; | |
424 | UNLOCK_SV_MUTEX; | |
425 | return xrv; | |
ed6116ce LW |
426 | } |
427 | ||
76e3520e | 428 | STATIC void |
cea2e8a9 | 429 | S_del_xrv(pTHX_ XRV *p) |
ed6116ce | 430 | { |
cbe51380 | 431 | LOCK_SV_MUTEX; |
3280af22 NIS |
432 | p->xrv_rv = (SV*)PL_xrv_root; |
433 | PL_xrv_root = p; | |
cbe51380 | 434 | UNLOCK_SV_MUTEX; |
ed6116ce LW |
435 | } |
436 | ||
cbe51380 | 437 | STATIC void |
cea2e8a9 | 438 | S_more_xrv(pTHX) |
ed6116ce | 439 | { |
ed6116ce LW |
440 | register XRV* xrv; |
441 | register XRV* xrvend; | |
3280af22 NIS |
442 | New(712, PL_xrv_root, 1008/sizeof(XRV), XRV); |
443 | xrv = PL_xrv_root; | |
ed6116ce LW |
444 | xrvend = &xrv[1008 / sizeof(XRV) - 1]; |
445 | while (xrv < xrvend) { | |
446 | xrv->xrv_rv = (SV*)(xrv + 1); | |
447 | xrv++; | |
448 | } | |
449 | xrv->xrv_rv = 0; | |
ed6116ce LW |
450 | } |
451 | ||
76e3520e | 452 | STATIC XPV* |
cea2e8a9 | 453 | S_new_xpv(pTHX) |
463ee0b2 LW |
454 | { |
455 | XPV* xpv; | |
cbe51380 GS |
456 | LOCK_SV_MUTEX; |
457 | if (!PL_xpv_root) | |
458 | more_xpv(); | |
459 | xpv = PL_xpv_root; | |
460 | PL_xpv_root = (XPV*)xpv->xpv_pv; | |
461 | UNLOCK_SV_MUTEX; | |
462 | return xpv; | |
463ee0b2 LW |
463 | } |
464 | ||
76e3520e | 465 | STATIC void |
cea2e8a9 | 466 | S_del_xpv(pTHX_ XPV *p) |
463ee0b2 | 467 | { |
cbe51380 | 468 | LOCK_SV_MUTEX; |
3280af22 NIS |
469 | p->xpv_pv = (char*)PL_xpv_root; |
470 | PL_xpv_root = p; | |
cbe51380 | 471 | UNLOCK_SV_MUTEX; |
463ee0b2 LW |
472 | } |
473 | ||
cbe51380 | 474 | STATIC void |
cea2e8a9 | 475 | S_more_xpv(pTHX) |
463ee0b2 | 476 | { |
463ee0b2 LW |
477 | register XPV* xpv; |
478 | register XPV* xpvend; | |
3280af22 NIS |
479 | New(713, PL_xpv_root, 1008/sizeof(XPV), XPV); |
480 | xpv = PL_xpv_root; | |
463ee0b2 LW |
481 | xpvend = &xpv[1008 / sizeof(XPV) - 1]; |
482 | while (xpv < xpvend) { | |
483 | xpv->xpv_pv = (char*)(xpv + 1); | |
484 | xpv++; | |
485 | } | |
486 | xpv->xpv_pv = 0; | |
463ee0b2 LW |
487 | } |
488 | ||
932e9ff9 VB |
489 | STATIC XPVIV* |
490 | S_new_xpviv(pTHX) | |
491 | { | |
492 | XPVIV* xpviv; | |
493 | LOCK_SV_MUTEX; | |
494 | if (!PL_xpviv_root) | |
495 | more_xpviv(); | |
496 | xpviv = PL_xpviv_root; | |
497 | PL_xpviv_root = (XPVIV*)xpviv->xpv_pv; | |
498 | UNLOCK_SV_MUTEX; | |
499 | return xpviv; | |
500 | } | |
501 | ||
502 | STATIC void | |
503 | S_del_xpviv(pTHX_ XPVIV *p) | |
504 | { | |
505 | LOCK_SV_MUTEX; | |
506 | p->xpv_pv = (char*)PL_xpviv_root; | |
507 | PL_xpviv_root = p; | |
508 | UNLOCK_SV_MUTEX; | |
509 | } | |
510 | ||
511 | ||
512 | STATIC void | |
513 | S_more_xpviv(pTHX) | |
514 | { | |
515 | register XPVIV* xpviv; | |
516 | register XPVIV* xpvivend; | |
517 | New(714, PL_xpviv_root, 1008/sizeof(XPVIV), XPVIV); | |
518 | xpviv = PL_xpviv_root; | |
519 | xpvivend = &xpviv[1008 / sizeof(XPVIV) - 1]; | |
520 | while (xpviv < xpvivend) { | |
521 | xpviv->xpv_pv = (char*)(xpviv + 1); | |
522 | xpviv++; | |
523 | } | |
524 | xpviv->xpv_pv = 0; | |
525 | } | |
526 | ||
527 | ||
528 | STATIC XPVNV* | |
529 | S_new_xpvnv(pTHX) | |
530 | { | |
531 | XPVNV* xpvnv; | |
532 | LOCK_SV_MUTEX; | |
533 | if (!PL_xpvnv_root) | |
534 | more_xpvnv(); | |
535 | xpvnv = PL_xpvnv_root; | |
536 | PL_xpvnv_root = (XPVNV*)xpvnv->xpv_pv; | |
537 | UNLOCK_SV_MUTEX; | |
538 | return xpvnv; | |
539 | } | |
540 | ||
541 | STATIC void | |
542 | S_del_xpvnv(pTHX_ XPVNV *p) | |
543 | { | |
544 | LOCK_SV_MUTEX; | |
545 | p->xpv_pv = (char*)PL_xpvnv_root; | |
546 | PL_xpvnv_root = p; | |
547 | UNLOCK_SV_MUTEX; | |
548 | } | |
549 | ||
550 | ||
551 | STATIC void | |
552 | S_more_xpvnv(pTHX) | |
553 | { | |
554 | register XPVNV* xpvnv; | |
555 | register XPVNV* xpvnvend; | |
556 | New(715, PL_xpvnv_root, 1008/sizeof(XPVNV), XPVNV); | |
557 | xpvnv = PL_xpvnv_root; | |
558 | xpvnvend = &xpvnv[1008 / sizeof(XPVNV) - 1]; | |
559 | while (xpvnv < xpvnvend) { | |
560 | xpvnv->xpv_pv = (char*)(xpvnv + 1); | |
561 | xpvnv++; | |
562 | } | |
563 | xpvnv->xpv_pv = 0; | |
564 | } | |
565 | ||
566 | ||
567 | ||
568 | STATIC XPVCV* | |
569 | S_new_xpvcv(pTHX) | |
570 | { | |
571 | XPVCV* xpvcv; | |
572 | LOCK_SV_MUTEX; | |
573 | if (!PL_xpvcv_root) | |
574 | more_xpvcv(); | |
575 | xpvcv = PL_xpvcv_root; | |
576 | PL_xpvcv_root = (XPVCV*)xpvcv->xpv_pv; | |
577 | UNLOCK_SV_MUTEX; | |
578 | return xpvcv; | |
579 | } | |
580 | ||
581 | STATIC void | |
582 | S_del_xpvcv(pTHX_ XPVCV *p) | |
583 | { | |
584 | LOCK_SV_MUTEX; | |
585 | p->xpv_pv = (char*)PL_xpvcv_root; | |
586 | PL_xpvcv_root = p; | |
587 | UNLOCK_SV_MUTEX; | |
588 | } | |
589 | ||
590 | ||
591 | STATIC void | |
592 | S_more_xpvcv(pTHX) | |
593 | { | |
594 | register XPVCV* xpvcv; | |
595 | register XPVCV* xpvcvend; | |
596 | New(716, PL_xpvcv_root, 1008/sizeof(XPVCV), XPVCV); | |
597 | xpvcv = PL_xpvcv_root; | |
598 | xpvcvend = &xpvcv[1008 / sizeof(XPVCV) - 1]; | |
599 | while (xpvcv < xpvcvend) { | |
600 | xpvcv->xpv_pv = (char*)(xpvcv + 1); | |
601 | xpvcv++; | |
602 | } | |
603 | xpvcv->xpv_pv = 0; | |
604 | } | |
605 | ||
606 | ||
607 | ||
608 | STATIC XPVAV* | |
609 | S_new_xpvav(pTHX) | |
610 | { | |
611 | XPVAV* xpvav; | |
612 | LOCK_SV_MUTEX; | |
613 | if (!PL_xpvav_root) | |
614 | more_xpvav(); | |
615 | xpvav = PL_xpvav_root; | |
616 | PL_xpvav_root = (XPVAV*)xpvav->xav_array; | |
617 | UNLOCK_SV_MUTEX; | |
618 | return xpvav; | |
619 | } | |
620 | ||
621 | STATIC void | |
622 | S_del_xpvav(pTHX_ XPVAV *p) | |
623 | { | |
624 | LOCK_SV_MUTEX; | |
625 | p->xav_array = (char*)PL_xpvav_root; | |
626 | PL_xpvav_root = p; | |
627 | UNLOCK_SV_MUTEX; | |
628 | } | |
629 | ||
630 | ||
631 | STATIC void | |
632 | S_more_xpvav(pTHX) | |
633 | { | |
634 | register XPVAV* xpvav; | |
635 | register XPVAV* xpvavend; | |
636 | New(717, PL_xpvav_root, 1008/sizeof(XPVAV), XPVAV); | |
637 | xpvav = PL_xpvav_root; | |
638 | xpvavend = &xpvav[1008 / sizeof(XPVAV) - 1]; | |
639 | while (xpvav < xpvavend) { | |
640 | xpvav->xav_array = (char*)(xpvav + 1); | |
641 | xpvav++; | |
642 | } | |
643 | xpvav->xav_array = 0; | |
644 | } | |
645 | ||
646 | ||
647 | ||
648 | STATIC XPVHV* | |
649 | S_new_xpvhv(pTHX) | |
650 | { | |
651 | XPVHV* xpvhv; | |
652 | LOCK_SV_MUTEX; | |
653 | if (!PL_xpvhv_root) | |
654 | more_xpvhv(); | |
655 | xpvhv = PL_xpvhv_root; | |
656 | PL_xpvhv_root = (XPVHV*)xpvhv->xhv_array; | |
657 | UNLOCK_SV_MUTEX; | |
658 | return xpvhv; | |
659 | } | |
660 | ||
661 | STATIC void | |
662 | S_del_xpvhv(pTHX_ XPVHV *p) | |
663 | { | |
664 | LOCK_SV_MUTEX; | |
665 | p->xhv_array = (char*)PL_xpvhv_root; | |
666 | PL_xpvhv_root = p; | |
667 | UNLOCK_SV_MUTEX; | |
668 | } | |
669 | ||
670 | ||
671 | STATIC void | |
672 | S_more_xpvhv(pTHX) | |
673 | { | |
674 | register XPVHV* xpvhv; | |
675 | register XPVHV* xpvhvend; | |
676 | New(718, PL_xpvhv_root, 1008/sizeof(XPVHV), XPVHV); | |
677 | xpvhv = PL_xpvhv_root; | |
678 | xpvhvend = &xpvhv[1008 / sizeof(XPVHV) - 1]; | |
679 | while (xpvhv < xpvhvend) { | |
680 | xpvhv->xhv_array = (char*)(xpvhv + 1); | |
681 | xpvhv++; | |
682 | } | |
683 | xpvhv->xhv_array = 0; | |
684 | } | |
685 | ||
686 | ||
687 | STATIC XPVMG* | |
688 | S_new_xpvmg(pTHX) | |
689 | { | |
690 | XPVMG* xpvmg; | |
691 | LOCK_SV_MUTEX; | |
692 | if (!PL_xpvmg_root) | |
693 | more_xpvmg(); | |
694 | xpvmg = PL_xpvmg_root; | |
695 | PL_xpvmg_root = (XPVMG*)xpvmg->xpv_pv; | |
696 | UNLOCK_SV_MUTEX; | |
697 | return xpvmg; | |
698 | } | |
699 | ||
700 | STATIC void | |
701 | S_del_xpvmg(pTHX_ XPVMG *p) | |
702 | { | |
703 | LOCK_SV_MUTEX; | |
704 | p->xpv_pv = (char*)PL_xpvmg_root; | |
705 | PL_xpvmg_root = p; | |
706 | UNLOCK_SV_MUTEX; | |
707 | } | |
708 | ||
709 | ||
710 | STATIC void | |
711 | S_more_xpvmg(pTHX) | |
712 | { | |
713 | register XPVMG* xpvmg; | |
714 | register XPVMG* xpvmgend; | |
715 | New(719, PL_xpvmg_root, 1008/sizeof(XPVMG), XPVMG); | |
716 | xpvmg = PL_xpvmg_root; | |
717 | xpvmgend = &xpvmg[1008 / sizeof(XPVMG) - 1]; | |
718 | while (xpvmg < xpvmgend) { | |
719 | xpvmg->xpv_pv = (char*)(xpvmg + 1); | |
720 | xpvmg++; | |
721 | } | |
722 | xpvmg->xpv_pv = 0; | |
723 | } | |
724 | ||
725 | ||
726 | ||
727 | STATIC XPVLV* | |
728 | S_new_xpvlv(pTHX) | |
729 | { | |
730 | XPVLV* xpvlv; | |
731 | LOCK_SV_MUTEX; | |
732 | if (!PL_xpvlv_root) | |
733 | more_xpvlv(); | |
734 | xpvlv = PL_xpvlv_root; | |
735 | PL_xpvlv_root = (XPVLV*)xpvlv->xpv_pv; | |
736 | UNLOCK_SV_MUTEX; | |
737 | return xpvlv; | |
738 | } | |
739 | ||
740 | STATIC void | |
741 | S_del_xpvlv(pTHX_ XPVLV *p) | |
742 | { | |
743 | LOCK_SV_MUTEX; | |
744 | p->xpv_pv = (char*)PL_xpvlv_root; | |
745 | PL_xpvlv_root = p; | |
746 | UNLOCK_SV_MUTEX; | |
747 | } | |
748 | ||
749 | ||
750 | STATIC void | |
751 | S_more_xpvlv(pTHX) | |
752 | { | |
753 | register XPVLV* xpvlv; | |
754 | register XPVLV* xpvlvend; | |
755 | New(720, PL_xpvlv_root, 1008/sizeof(XPVLV), XPVLV); | |
756 | xpvlv = PL_xpvlv_root; | |
757 | xpvlvend = &xpvlv[1008 / sizeof(XPVLV) - 1]; | |
758 | while (xpvlv < xpvlvend) { | |
759 | xpvlv->xpv_pv = (char*)(xpvlv + 1); | |
760 | xpvlv++; | |
761 | } | |
762 | xpvlv->xpv_pv = 0; | |
763 | } | |
764 | ||
765 | ||
766 | STATIC XPVBM* | |
767 | S_new_xpvbm(pTHX) | |
768 | { | |
769 | XPVBM* xpvbm; | |
770 | LOCK_SV_MUTEX; | |
771 | if (!PL_xpvbm_root) | |
772 | more_xpvbm(); | |
773 | xpvbm = PL_xpvbm_root; | |
774 | PL_xpvbm_root = (XPVBM*)xpvbm->xpv_pv; | |
775 | UNLOCK_SV_MUTEX; | |
776 | return xpvbm; | |
777 | } | |
778 | ||
779 | STATIC void | |
780 | S_del_xpvbm(pTHX_ XPVBM *p) | |
781 | { | |
782 | LOCK_SV_MUTEX; | |
783 | p->xpv_pv = (char*)PL_xpvbm_root; | |
784 | PL_xpvbm_root = p; | |
785 | UNLOCK_SV_MUTEX; | |
786 | } | |
787 | ||
788 | ||
789 | STATIC void | |
790 | S_more_xpvbm(pTHX) | |
791 | { | |
792 | register XPVBM* xpvbm; | |
793 | register XPVBM* xpvbmend; | |
794 | New(721, PL_xpvbm_root, 1008/sizeof(XPVBM), XPVBM); | |
795 | xpvbm = PL_xpvbm_root; | |
796 | xpvbmend = &xpvbm[1008 / sizeof(XPVBM) - 1]; | |
797 | while (xpvbm < xpvbmend) { | |
798 | xpvbm->xpv_pv = (char*)(xpvbm + 1); | |
799 | xpvbm++; | |
800 | } | |
801 | xpvbm->xpv_pv = 0; | |
802 | } | |
803 | ||
463ee0b2 | 804 | #ifdef PURIFY |
8990e307 | 805 | #define new_XIV() (void*)safemalloc(sizeof(XPVIV)) |
6ad3d225 | 806 | #define del_XIV(p) Safefree((char*)p) |
463ee0b2 | 807 | #else |
85e6fe83 | 808 | #define new_XIV() (void*)new_xiv() |
8ac85365 | 809 | #define del_XIV(p) del_xiv((XPVIV*) p) |
463ee0b2 LW |
810 | #endif |
811 | ||
812 | #ifdef PURIFY | |
8990e307 | 813 | #define new_XNV() (void*)safemalloc(sizeof(XPVNV)) |
6ad3d225 | 814 | #define del_XNV(p) Safefree((char*)p) |
463ee0b2 | 815 | #else |
85e6fe83 | 816 | #define new_XNV() (void*)new_xnv() |
8ac85365 | 817 | #define del_XNV(p) del_xnv((XPVNV*) p) |
463ee0b2 LW |
818 | #endif |
819 | ||
820 | #ifdef PURIFY | |
8990e307 | 821 | #define new_XRV() (void*)safemalloc(sizeof(XRV)) |
6ad3d225 | 822 | #define del_XRV(p) Safefree((char*)p) |
ed6116ce | 823 | #else |
85e6fe83 | 824 | #define new_XRV() (void*)new_xrv() |
8ac85365 | 825 | #define del_XRV(p) del_xrv((XRV*) p) |
ed6116ce LW |
826 | #endif |
827 | ||
828 | #ifdef PURIFY | |
8990e307 | 829 | #define new_XPV() (void*)safemalloc(sizeof(XPV)) |
6ad3d225 | 830 | #define del_XPV(p) Safefree((char*)p) |
463ee0b2 | 831 | #else |
85e6fe83 | 832 | #define new_XPV() (void*)new_xpv() |
8ac85365 | 833 | #define del_XPV(p) del_xpv((XPV *)p) |
463ee0b2 LW |
834 | #endif |
835 | ||
8c52afec IZ |
836 | #ifdef PURIFY |
837 | # define my_safemalloc(s) safemalloc(s) | |
86058a2d | 838 | # define my_safefree(s) safefree(s) |
8c52afec | 839 | #else |
9d8a25dc | 840 | STATIC void* |
4f63d024 | 841 | S_my_safemalloc(MEM_SIZE size) |
8c52afec IZ |
842 | { |
843 | char *p; | |
844 | New(717, p, size, char); | |
845 | return (void*)p; | |
846 | } | |
847 | # define my_safefree(s) Safefree(s) | |
848 | #endif | |
849 | ||
932e9ff9 VB |
850 | #ifdef PURIFY |
851 | #define new_XPVIV() (void*)safemalloc(sizeof(XPVIV)) | |
852 | #define del_XPVIV(p) Safefree((char*)p) | |
853 | #else | |
854 | #define new_XPVIV() (void*)new_xpviv() | |
855 | #define del_XPVIV(p) del_xpviv((XPVIV *)p) | |
856 | #endif | |
8c52afec | 857 | |
932e9ff9 VB |
858 | #ifdef PURIFY |
859 | #define new_XPVNV() (void*)safemalloc(sizeof(XPVNV)) | |
860 | #define del_XPVNV(p) Safefree((char*)p) | |
861 | #else | |
862 | #define new_XPVNV() (void*)new_xpvnv() | |
863 | #define del_XPVNV(p) del_xpvnv((XPVNV *)p) | |
864 | #endif | |
865 | ||
866 | ||
867 | #ifdef PURIFY | |
868 | #define new_XPVCV() (void*)safemalloc(sizeof(XPVCV)) | |
869 | #define del_XPVCV(p) Safefree((char*)p) | |
870 | #else | |
871 | #define new_XPVCV() (void*)new_xpvcv() | |
872 | #define del_XPVCV(p) del_xpvcv((XPVCV *)p) | |
873 | #endif | |
874 | ||
875 | #ifdef PURIFY | |
876 | #define new_XPVAV() (void*)safemalloc(sizeof(XPVAV)) | |
877 | #define del_XPVAV(p) Safefree((char*)p) | |
878 | #else | |
879 | #define new_XPVAV() (void*)new_xpvav() | |
880 | #define del_XPVAV(p) del_xpvav((XPVAV *)p) | |
881 | #endif | |
882 | ||
883 | #ifdef PURIFY | |
884 | #define new_XPVHV() (void*)safemalloc(sizeof(XPVHV)) | |
885 | #define del_XPVHV(p) Safefree((char*)p) | |
886 | #else | |
887 | #define new_XPVHV() (void*)new_xpvhv() | |
888 | #define del_XPVHV(p) del_xpvhv((XPVHV *)p) | |
889 | #endif | |
8c52afec | 890 | |
932e9ff9 VB |
891 | #ifdef PURIFY |
892 | #define new_XPVMG() (void*)safemalloc(sizeof(XPVMG)) | |
893 | #define del_XPVMG(p) Safefree((char*)p) | |
894 | #else | |
895 | #define new_XPVMG() (void*)new_xpvmg() | |
896 | #define del_XPVMG(p) del_xpvmg((XPVMG *)p) | |
897 | #endif | |
8c52afec | 898 | |
932e9ff9 VB |
899 | #ifdef PURIFY |
900 | #define new_XPVLV() (void*)safemalloc(sizeof(XPVLV)) | |
901 | #define del_XPVLV(p) Safefree((char*)p) | |
902 | #else | |
903 | #define new_XPVLV() (void*)new_xpvlv() | |
904 | #define del_XPVLV(p) del_xpvlv((XPVLV *)p) | |
905 | #endif | |
8c52afec IZ |
906 | |
907 | #define new_XPVGV() (void*)my_safemalloc(sizeof(XPVGV)) | |
908 | #define del_XPVGV(p) my_safefree((char*)p) | |
909 | ||
932e9ff9 VB |
910 | #ifdef PURIFY |
911 | #define new_XPVBM() (void*)safemalloc(sizeof(XPVBM)) | |
912 | #define del_XPVBM(p) Safefree((char*)p) | |
913 | #else | |
914 | #define new_XPVBM() (void*)new_xpvbm() | |
915 | #define del_XPVBM(p) del_xpvbm((XPVBM *)p) | |
916 | #endif | |
8c52afec IZ |
917 | |
918 | #define new_XPVFM() (void*)my_safemalloc(sizeof(XPVFM)) | |
919 | #define del_XPVFM(p) my_safefree((char*)p) | |
920 | ||
921 | #define new_XPVIO() (void*)my_safemalloc(sizeof(XPVIO)) | |
922 | #define del_XPVIO(p) my_safefree((char*)p) | |
8990e307 | 923 | |
79072805 | 924 | bool |
864dbfa3 | 925 | Perl_sv_upgrade(pTHX_ register SV *sv, U32 mt) |
79072805 LW |
926 | { |
927 | char* pv; | |
928 | U32 cur; | |
929 | U32 len; | |
a0d0e21e | 930 | IV iv; |
65202027 | 931 | NV nv; |
79072805 LW |
932 | MAGIC* magic; |
933 | HV* stash; | |
934 | ||
935 | if (SvTYPE(sv) == mt) | |
936 | return TRUE; | |
937 | ||
a5f75d66 AD |
938 | if (mt < SVt_PVIV) |
939 | (void)SvOOK_off(sv); | |
940 | ||
79072805 LW |
941 | switch (SvTYPE(sv)) { |
942 | case SVt_NULL: | |
943 | pv = 0; | |
944 | cur = 0; | |
945 | len = 0; | |
946 | iv = 0; | |
947 | nv = 0.0; | |
948 | magic = 0; | |
949 | stash = 0; | |
950 | break; | |
79072805 LW |
951 | case SVt_IV: |
952 | pv = 0; | |
953 | cur = 0; | |
954 | len = 0; | |
463ee0b2 | 955 | iv = SvIVX(sv); |
65202027 | 956 | nv = (NV)SvIVX(sv); |
79072805 LW |
957 | del_XIV(SvANY(sv)); |
958 | magic = 0; | |
959 | stash = 0; | |
ed6116ce | 960 | if (mt == SVt_NV) |
463ee0b2 | 961 | mt = SVt_PVNV; |
ed6116ce LW |
962 | else if (mt < SVt_PVIV) |
963 | mt = SVt_PVIV; | |
79072805 LW |
964 | break; |
965 | case SVt_NV: | |
966 | pv = 0; | |
967 | cur = 0; | |
968 | len = 0; | |
463ee0b2 | 969 | nv = SvNVX(sv); |
1bd302c3 | 970 | iv = I_V(nv); |
79072805 LW |
971 | magic = 0; |
972 | stash = 0; | |
973 | del_XNV(SvANY(sv)); | |
974 | SvANY(sv) = 0; | |
ed6116ce | 975 | if (mt < SVt_PVNV) |
79072805 LW |
976 | mt = SVt_PVNV; |
977 | break; | |
ed6116ce LW |
978 | case SVt_RV: |
979 | pv = (char*)SvRV(sv); | |
980 | cur = 0; | |
981 | len = 0; | |
56431972 RB |
982 | iv = PTR2IV(pv); |
983 | nv = PTR2NV(pv); | |
ed6116ce LW |
984 | del_XRV(SvANY(sv)); |
985 | magic = 0; | |
986 | stash = 0; | |
987 | break; | |
79072805 | 988 | case SVt_PV: |
463ee0b2 | 989 | pv = SvPVX(sv); |
79072805 LW |
990 | cur = SvCUR(sv); |
991 | len = SvLEN(sv); | |
992 | iv = 0; | |
993 | nv = 0.0; | |
994 | magic = 0; | |
995 | stash = 0; | |
996 | del_XPV(SvANY(sv)); | |
748a9306 LW |
997 | if (mt <= SVt_IV) |
998 | mt = SVt_PVIV; | |
999 | else if (mt == SVt_NV) | |
1000 | mt = SVt_PVNV; | |
79072805 LW |
1001 | break; |
1002 | case SVt_PVIV: | |
463ee0b2 | 1003 | pv = SvPVX(sv); |
79072805 LW |
1004 | cur = SvCUR(sv); |
1005 | len = SvLEN(sv); | |
463ee0b2 | 1006 | iv = SvIVX(sv); |
79072805 LW |
1007 | nv = 0.0; |
1008 | magic = 0; | |
1009 | stash = 0; | |
1010 | del_XPVIV(SvANY(sv)); | |
1011 | break; | |
1012 | case SVt_PVNV: | |
463ee0b2 | 1013 | pv = SvPVX(sv); |
79072805 LW |
1014 | cur = SvCUR(sv); |
1015 | len = SvLEN(sv); | |
463ee0b2 LW |
1016 | iv = SvIVX(sv); |
1017 | nv = SvNVX(sv); | |
79072805 LW |
1018 | magic = 0; |
1019 | stash = 0; | |
1020 | del_XPVNV(SvANY(sv)); | |
1021 | break; | |
1022 | case SVt_PVMG: | |
463ee0b2 | 1023 | pv = SvPVX(sv); |
79072805 LW |
1024 | cur = SvCUR(sv); |
1025 | len = SvLEN(sv); | |
463ee0b2 LW |
1026 | iv = SvIVX(sv); |
1027 | nv = SvNVX(sv); | |
79072805 LW |
1028 | magic = SvMAGIC(sv); |
1029 | stash = SvSTASH(sv); | |
1030 | del_XPVMG(SvANY(sv)); | |
1031 | break; | |
1032 | default: | |
cea2e8a9 | 1033 | Perl_croak(aTHX_ "Can't upgrade that kind of scalar"); |
79072805 LW |
1034 | } |
1035 | ||
1036 | switch (mt) { | |
1037 | case SVt_NULL: | |
cea2e8a9 | 1038 | Perl_croak(aTHX_ "Can't upgrade to undef"); |
79072805 LW |
1039 | case SVt_IV: |
1040 | SvANY(sv) = new_XIV(); | |
463ee0b2 | 1041 | SvIVX(sv) = iv; |
79072805 LW |
1042 | break; |
1043 | case SVt_NV: | |
1044 | SvANY(sv) = new_XNV(); | |
463ee0b2 | 1045 | SvNVX(sv) = nv; |
79072805 | 1046 | break; |
ed6116ce LW |
1047 | case SVt_RV: |
1048 | SvANY(sv) = new_XRV(); | |
1049 | SvRV(sv) = (SV*)pv; | |
ed6116ce | 1050 | break; |
79072805 LW |
1051 | case SVt_PV: |
1052 | SvANY(sv) = new_XPV(); | |
463ee0b2 | 1053 | SvPVX(sv) = pv; |
79072805 LW |
1054 | SvCUR(sv) = cur; |
1055 | SvLEN(sv) = len; | |
1056 | break; | |
1057 | case SVt_PVIV: | |
1058 | SvANY(sv) = new_XPVIV(); | |
463ee0b2 | 1059 | SvPVX(sv) = pv; |
79072805 LW |
1060 | SvCUR(sv) = cur; |
1061 | SvLEN(sv) = len; | |
463ee0b2 | 1062 | SvIVX(sv) = iv; |
79072805 | 1063 | if (SvNIOK(sv)) |
a0d0e21e | 1064 | (void)SvIOK_on(sv); |
79072805 LW |
1065 | SvNOK_off(sv); |
1066 | break; | |
1067 | case SVt_PVNV: | |
1068 | SvANY(sv) = new_XPVNV(); | |
463ee0b2 | 1069 | SvPVX(sv) = pv; |
79072805 LW |
1070 | SvCUR(sv) = cur; |
1071 | SvLEN(sv) = len; | |
463ee0b2 LW |
1072 | SvIVX(sv) = iv; |
1073 | SvNVX(sv) = nv; | |
79072805 LW |
1074 | break; |
1075 | case SVt_PVMG: | |
1076 | SvANY(sv) = new_XPVMG(); | |
463ee0b2 | 1077 | SvPVX(sv) = pv; |
79072805 LW |
1078 | SvCUR(sv) = cur; |
1079 | SvLEN(sv) = len; | |
463ee0b2 LW |
1080 | SvIVX(sv) = iv; |
1081 | SvNVX(sv) = nv; | |
79072805 LW |
1082 | SvMAGIC(sv) = magic; |
1083 | SvSTASH(sv) = stash; | |
1084 | break; | |
1085 | case SVt_PVLV: | |
1086 | SvANY(sv) = new_XPVLV(); | |
463ee0b2 | 1087 | SvPVX(sv) = pv; |
79072805 LW |
1088 | SvCUR(sv) = cur; |
1089 | SvLEN(sv) = len; | |
463ee0b2 LW |
1090 | SvIVX(sv) = iv; |
1091 | SvNVX(sv) = nv; | |
79072805 LW |
1092 | SvMAGIC(sv) = magic; |
1093 | SvSTASH(sv) = stash; | |
1094 | LvTARGOFF(sv) = 0; | |
1095 | LvTARGLEN(sv) = 0; | |
1096 | LvTARG(sv) = 0; | |
1097 | LvTYPE(sv) = 0; | |
1098 | break; | |
1099 | case SVt_PVAV: | |
1100 | SvANY(sv) = new_XPVAV(); | |
463ee0b2 LW |
1101 | if (pv) |
1102 | Safefree(pv); | |
2304df62 | 1103 | SvPVX(sv) = 0; |
d1bf51dd | 1104 | AvMAX(sv) = -1; |
93965878 | 1105 | AvFILLp(sv) = -1; |
463ee0b2 LW |
1106 | SvIVX(sv) = 0; |
1107 | SvNVX(sv) = 0.0; | |
1108 | SvMAGIC(sv) = magic; | |
1109 | SvSTASH(sv) = stash; | |
1110 | AvALLOC(sv) = 0; | |
79072805 LW |
1111 | AvARYLEN(sv) = 0; |
1112 | AvFLAGS(sv) = 0; | |
1113 | break; | |
1114 | case SVt_PVHV: | |
1115 | SvANY(sv) = new_XPVHV(); | |
463ee0b2 LW |
1116 | if (pv) |
1117 | Safefree(pv); | |
1118 | SvPVX(sv) = 0; | |
1119 | HvFILL(sv) = 0; | |
1120 | HvMAX(sv) = 0; | |
1121 | HvKEYS(sv) = 0; | |
1122 | SvNVX(sv) = 0.0; | |
79072805 LW |
1123 | SvMAGIC(sv) = magic; |
1124 | SvSTASH(sv) = stash; | |
79072805 LW |
1125 | HvRITER(sv) = 0; |
1126 | HvEITER(sv) = 0; | |
1127 | HvPMROOT(sv) = 0; | |
1128 | HvNAME(sv) = 0; | |
79072805 LW |
1129 | break; |
1130 | case SVt_PVCV: | |
1131 | SvANY(sv) = new_XPVCV(); | |
748a9306 | 1132 | Zero(SvANY(sv), 1, XPVCV); |
463ee0b2 | 1133 | SvPVX(sv) = pv; |
79072805 LW |
1134 | SvCUR(sv) = cur; |
1135 | SvLEN(sv) = len; | |
463ee0b2 LW |
1136 | SvIVX(sv) = iv; |
1137 | SvNVX(sv) = nv; | |
79072805 LW |
1138 | SvMAGIC(sv) = magic; |
1139 | SvSTASH(sv) = stash; | |
79072805 LW |
1140 | break; |
1141 | case SVt_PVGV: | |
1142 | SvANY(sv) = new_XPVGV(); | |
463ee0b2 | 1143 | SvPVX(sv) = pv; |
79072805 LW |
1144 | SvCUR(sv) = cur; |
1145 | SvLEN(sv) = len; | |
463ee0b2 LW |
1146 | SvIVX(sv) = iv; |
1147 | SvNVX(sv) = nv; | |
79072805 LW |
1148 | SvMAGIC(sv) = magic; |
1149 | SvSTASH(sv) = stash; | |
93a17b20 | 1150 | GvGP(sv) = 0; |
79072805 LW |
1151 | GvNAME(sv) = 0; |
1152 | GvNAMELEN(sv) = 0; | |
1153 | GvSTASH(sv) = 0; | |
a5f75d66 | 1154 | GvFLAGS(sv) = 0; |
79072805 LW |
1155 | break; |
1156 | case SVt_PVBM: | |
1157 | SvANY(sv) = new_XPVBM(); | |
463ee0b2 | 1158 | SvPVX(sv) = pv; |
79072805 LW |
1159 | SvCUR(sv) = cur; |
1160 | SvLEN(sv) = len; | |
463ee0b2 LW |
1161 | SvIVX(sv) = iv; |
1162 | SvNVX(sv) = nv; | |
79072805 LW |
1163 | SvMAGIC(sv) = magic; |
1164 | SvSTASH(sv) = stash; | |
1165 | BmRARE(sv) = 0; | |
1166 | BmUSEFUL(sv) = 0; | |
1167 | BmPREVIOUS(sv) = 0; | |
1168 | break; | |
1169 | case SVt_PVFM: | |
1170 | SvANY(sv) = new_XPVFM(); | |
748a9306 | 1171 | Zero(SvANY(sv), 1, XPVFM); |
463ee0b2 | 1172 | SvPVX(sv) = pv; |
79072805 LW |
1173 | SvCUR(sv) = cur; |
1174 | SvLEN(sv) = len; | |
463ee0b2 LW |
1175 | SvIVX(sv) = iv; |
1176 | SvNVX(sv) = nv; | |
79072805 LW |
1177 | SvMAGIC(sv) = magic; |
1178 | SvSTASH(sv) = stash; | |
79072805 | 1179 | break; |
8990e307 LW |
1180 | case SVt_PVIO: |
1181 | SvANY(sv) = new_XPVIO(); | |
748a9306 | 1182 | Zero(SvANY(sv), 1, XPVIO); |
8990e307 LW |
1183 | SvPVX(sv) = pv; |
1184 | SvCUR(sv) = cur; | |
1185 | SvLEN(sv) = len; | |
1186 | SvIVX(sv) = iv; | |
1187 | SvNVX(sv) = nv; | |
1188 | SvMAGIC(sv) = magic; | |
1189 | SvSTASH(sv) = stash; | |
85e6fe83 | 1190 | IoPAGE_LEN(sv) = 60; |
8990e307 LW |
1191 | break; |
1192 | } | |
1193 | SvFLAGS(sv) &= ~SVTYPEMASK; | |
1194 | SvFLAGS(sv) |= mt; | |
79072805 LW |
1195 | return TRUE; |
1196 | } | |
1197 | ||
79072805 | 1198 | int |
864dbfa3 | 1199 | Perl_sv_backoff(pTHX_ register SV *sv) |
79072805 LW |
1200 | { |
1201 | assert(SvOOK(sv)); | |
463ee0b2 LW |
1202 | if (SvIVX(sv)) { |
1203 | char *s = SvPVX(sv); | |
1204 | SvLEN(sv) += SvIVX(sv); | |
1205 | SvPVX(sv) -= SvIVX(sv); | |
79072805 | 1206 | SvIV_set(sv, 0); |
463ee0b2 | 1207 | Move(s, SvPVX(sv), SvCUR(sv)+1, char); |
79072805 LW |
1208 | } |
1209 | SvFLAGS(sv) &= ~SVf_OOK; | |
a0d0e21e | 1210 | return 0; |
79072805 LW |
1211 | } |
1212 | ||
1213 | char * | |
864dbfa3 | 1214 | Perl_sv_grow(pTHX_ register SV *sv, register STRLEN newlen) |
79072805 LW |
1215 | { |
1216 | register char *s; | |
1217 | ||
55497cff | 1218 | #ifdef HAS_64K_LIMIT |
79072805 | 1219 | if (newlen >= 0x10000) { |
1d7c1841 GS |
1220 | PerlIO_printf(Perl_debug_log, |
1221 | "Allocation too large: %"UVxf"\n", (UV)newlen); | |
79072805 LW |
1222 | my_exit(1); |
1223 | } | |
55497cff | 1224 | #endif /* HAS_64K_LIMIT */ |
a0d0e21e LW |
1225 | if (SvROK(sv)) |
1226 | sv_unref(sv); | |
79072805 LW |
1227 | if (SvTYPE(sv) < SVt_PV) { |
1228 | sv_upgrade(sv, SVt_PV); | |
463ee0b2 | 1229 | s = SvPVX(sv); |
79072805 LW |
1230 | } |
1231 | else if (SvOOK(sv)) { /* pv is offset? */ | |
1232 | sv_backoff(sv); | |
463ee0b2 | 1233 | s = SvPVX(sv); |
79072805 LW |
1234 | if (newlen > SvLEN(sv)) |
1235 | newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */ | |
c6f8c383 GA |
1236 | #ifdef HAS_64K_LIMIT |
1237 | if (newlen >= 0x10000) | |
1238 | newlen = 0xFFFF; | |
1239 | #endif | |
79072805 LW |
1240 | } |
1241 | else | |
463ee0b2 | 1242 | s = SvPVX(sv); |
79072805 | 1243 | if (newlen > SvLEN(sv)) { /* need more room? */ |
8d6dde3e | 1244 | if (SvLEN(sv) && s) { |
1fe09876 | 1245 | #if defined(MYMALLOC) && !defined(PURIFY) && !defined(LEAKTEST) |
8d6dde3e IZ |
1246 | STRLEN l = malloced_size((void*)SvPVX(sv)); |
1247 | if (newlen <= l) { | |
1248 | SvLEN_set(sv, l); | |
1249 | return s; | |
1250 | } else | |
c70c8a0a | 1251 | #endif |
79072805 | 1252 | Renew(s,newlen,char); |
8d6dde3e | 1253 | } |
79072805 LW |
1254 | else |
1255 | New(703,s,newlen,char); | |
1256 | SvPV_set(sv, s); | |
1257 | SvLEN_set(sv, newlen); | |
1258 | } | |
1259 | return s; | |
1260 | } | |
1261 | ||
1262 | void | |
864dbfa3 | 1263 | Perl_sv_setiv(pTHX_ register SV *sv, IV i) |
79072805 | 1264 | { |
2213622d | 1265 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 LW |
1266 | switch (SvTYPE(sv)) { |
1267 | case SVt_NULL: | |
79072805 | 1268 | sv_upgrade(sv, SVt_IV); |
463ee0b2 LW |
1269 | break; |
1270 | case SVt_NV: | |
1271 | sv_upgrade(sv, SVt_PVNV); | |
1272 | break; | |
ed6116ce | 1273 | case SVt_RV: |
463ee0b2 | 1274 | case SVt_PV: |
79072805 | 1275 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 | 1276 | break; |
a0d0e21e LW |
1277 | |
1278 | case SVt_PVGV: | |
a0d0e21e LW |
1279 | case SVt_PVAV: |
1280 | case SVt_PVHV: | |
1281 | case SVt_PVCV: | |
1282 | case SVt_PVFM: | |
1283 | case SVt_PVIO: | |
11343788 MB |
1284 | { |
1285 | dTHR; | |
cea2e8a9 | 1286 | Perl_croak(aTHX_ "Can't coerce %s to integer in %s", sv_reftype(sv,0), |
22c35a8c | 1287 | PL_op_desc[PL_op->op_type]); |
11343788 | 1288 | } |
463ee0b2 | 1289 | } |
a0d0e21e | 1290 | (void)SvIOK_only(sv); /* validate number */ |
a5f75d66 | 1291 | SvIVX(sv) = i; |
463ee0b2 | 1292 | SvTAINT(sv); |
79072805 LW |
1293 | } |
1294 | ||
1295 | void | |
864dbfa3 | 1296 | Perl_sv_setiv_mg(pTHX_ register SV *sv, IV i) |
ef50df4b GS |
1297 | { |
1298 | sv_setiv(sv,i); | |
1299 | SvSETMAGIC(sv); | |
1300 | } | |
1301 | ||
1302 | void | |
864dbfa3 | 1303 | Perl_sv_setuv(pTHX_ register SV *sv, UV u) |
55497cff | 1304 | { |
25da4f38 IZ |
1305 | sv_setiv(sv, 0); |
1306 | SvIsUV_on(sv); | |
1307 | SvUVX(sv) = u; | |
55497cff | 1308 | } |
1309 | ||
1310 | void | |
864dbfa3 | 1311 | Perl_sv_setuv_mg(pTHX_ register SV *sv, UV u) |
ef50df4b GS |
1312 | { |
1313 | sv_setuv(sv,u); | |
1314 | SvSETMAGIC(sv); | |
1315 | } | |
1316 | ||
1317 | void | |
65202027 | 1318 | Perl_sv_setnv(pTHX_ register SV *sv, NV num) |
79072805 | 1319 | { |
2213622d | 1320 | SV_CHECK_THINKFIRST(sv); |
a0d0e21e LW |
1321 | switch (SvTYPE(sv)) { |
1322 | case SVt_NULL: | |
1323 | case SVt_IV: | |
79072805 | 1324 | sv_upgrade(sv, SVt_NV); |
a0d0e21e | 1325 | break; |
a0d0e21e LW |
1326 | case SVt_RV: |
1327 | case SVt_PV: | |
1328 | case SVt_PVIV: | |
79072805 | 1329 | sv_upgrade(sv, SVt_PVNV); |
a0d0e21e | 1330 | break; |
827b7e14 | 1331 | |
a0d0e21e | 1332 | case SVt_PVGV: |
a0d0e21e LW |
1333 | case SVt_PVAV: |
1334 | case SVt_PVHV: | |
1335 | case SVt_PVCV: | |
1336 | case SVt_PVFM: | |
1337 | case SVt_PVIO: | |
11343788 MB |
1338 | { |
1339 | dTHR; | |
cea2e8a9 | 1340 | Perl_croak(aTHX_ "Can't coerce %s to number in %s", sv_reftype(sv,0), |
22c35a8c | 1341 | PL_op_name[PL_op->op_type]); |
11343788 | 1342 | } |
79072805 | 1343 | } |
463ee0b2 | 1344 | SvNVX(sv) = num; |
a0d0e21e | 1345 | (void)SvNOK_only(sv); /* validate number */ |
463ee0b2 | 1346 | SvTAINT(sv); |
79072805 LW |
1347 | } |
1348 | ||
ef50df4b | 1349 | void |
65202027 | 1350 | Perl_sv_setnv_mg(pTHX_ register SV *sv, NV num) |
ef50df4b GS |
1351 | { |
1352 | sv_setnv(sv,num); | |
1353 | SvSETMAGIC(sv); | |
1354 | } | |
1355 | ||
76e3520e | 1356 | STATIC void |
cea2e8a9 | 1357 | S_not_a_number(pTHX_ SV *sv) |
a0d0e21e | 1358 | { |
11343788 | 1359 | dTHR; |
a0d0e21e LW |
1360 | char tmpbuf[64]; |
1361 | char *d = tmpbuf; | |
1362 | char *s; | |
dc28f22b GA |
1363 | char *limit = tmpbuf + sizeof(tmpbuf) - 8; |
1364 | /* each *s can expand to 4 chars + "...\0", | |
1365 | i.e. need room for 8 chars */ | |
a0d0e21e | 1366 | |
dc28f22b | 1367 | for (s = SvPVX(sv); *s && d < limit; s++) { |
bbce6d69 | 1368 | int ch = *s & 0xFF; |
1369 | if (ch & 128 && !isPRINT_LC(ch)) { | |
a0d0e21e LW |
1370 | *d++ = 'M'; |
1371 | *d++ = '-'; | |
1372 | ch &= 127; | |
1373 | } | |
bbce6d69 | 1374 | if (ch == '\n') { |
1375 | *d++ = '\\'; | |
1376 | *d++ = 'n'; | |
1377 | } | |
1378 | else if (ch == '\r') { | |
1379 | *d++ = '\\'; | |
1380 | *d++ = 'r'; | |
1381 | } | |
1382 | else if (ch == '\f') { | |
1383 | *d++ = '\\'; | |
1384 | *d++ = 'f'; | |
1385 | } | |
1386 | else if (ch == '\\') { | |
1387 | *d++ = '\\'; | |
1388 | *d++ = '\\'; | |
1389 | } | |
1390 | else if (isPRINT_LC(ch)) | |
a0d0e21e LW |
1391 | *d++ = ch; |
1392 | else { | |
1393 | *d++ = '^'; | |
bbce6d69 | 1394 | *d++ = toCTRL(ch); |
a0d0e21e LW |
1395 | } |
1396 | } | |
1397 | if (*s) { | |
1398 | *d++ = '.'; | |
1399 | *d++ = '.'; | |
1400 | *d++ = '.'; | |
1401 | } | |
1402 | *d = '\0'; | |
1403 | ||
533c011a | 1404 | if (PL_op) |
42d38218 MS |
1405 | Perl_warner(aTHX_ WARN_NUMERIC, |
1406 | "Argument \"%s\" isn't numeric in %s", tmpbuf, | |
1407 | PL_op_desc[PL_op->op_type]); | |
a0d0e21e | 1408 | else |
42d38218 MS |
1409 | Perl_warner(aTHX_ WARN_NUMERIC, |
1410 | "Argument \"%s\" isn't numeric", tmpbuf); | |
a0d0e21e LW |
1411 | } |
1412 | ||
cf2093f6 | 1413 | /* the number can be converted to integer with atol() or atoll() */ |
25da4f38 IZ |
1414 | #define IS_NUMBER_TO_INT_BY_ATOL 0x01 |
1415 | #define IS_NUMBER_TO_INT_BY_ATOF 0x02 /* atol() may be != atof() */ | |
1416 | #define IS_NUMBER_NOT_IV 0x04 /* (IV)atof() may be != atof() */ | |
1417 | #define IS_NUMBER_NEG 0x08 /* not good to cache UV */ | |
1418 | ||
1419 | /* Actually, ISO C leaves conversion of UV to IV undefined, but | |
1420 | until proven guilty, assume that things are not that bad... */ | |
1421 | ||
a0d0e21e | 1422 | IV |
864dbfa3 | 1423 | Perl_sv_2iv(pTHX_ register SV *sv) |
79072805 LW |
1424 | { |
1425 | if (!sv) | |
1426 | return 0; | |
8990e307 | 1427 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1428 | mg_get(sv); |
1429 | if (SvIOKp(sv)) | |
1430 | return SvIVX(sv); | |
748a9306 | 1431 | if (SvNOKp(sv)) { |
25da4f38 | 1432 | return I_V(SvNVX(sv)); |
748a9306 | 1433 | } |
36477c24 | 1434 | if (SvPOKp(sv) && SvLEN(sv)) |
1435 | return asIV(sv); | |
3fe9a6f1 | 1436 | if (!SvROK(sv)) { |
d008e5eb | 1437 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1438 | dTHR; |
d008e5eb | 1439 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
1d7c1841 | 1440 | report_uninit(); |
c6ee37c5 | 1441 | } |
36477c24 | 1442 | return 0; |
3fe9a6f1 | 1443 | } |
463ee0b2 | 1444 | } |
ed6116ce | 1445 | if (SvTHINKFIRST(sv)) { |
a0d0e21e | 1446 | if (SvROK(sv)) { |
a0d0e21e LW |
1447 | SV* tmpstr; |
1448 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
9e7bc3e8 | 1449 | return SvIV(tmpstr); |
56431972 | 1450 | return PTR2IV(SvRV(sv)); |
a0d0e21e | 1451 | } |
0336b60e IZ |
1452 | if (SvREADONLY(sv) && !SvOK(sv)) { |
1453 | dTHR; | |
1454 | if (ckWARN(WARN_UNINITIALIZED)) | |
1d7c1841 | 1455 | report_uninit(); |
ed6116ce LW |
1456 | return 0; |
1457 | } | |
79072805 | 1458 | } |
25da4f38 IZ |
1459 | if (SvIOKp(sv)) { |
1460 | if (SvIsUV(sv)) { | |
1461 | return (IV)(SvUVX(sv)); | |
1462 | } | |
1463 | else { | |
1464 | return SvIVX(sv); | |
1465 | } | |
463ee0b2 | 1466 | } |
748a9306 | 1467 | if (SvNOKp(sv)) { |
25da4f38 IZ |
1468 | /* We can cache the IV/UV value even if it not good enough |
1469 | * to reconstruct NV, since the conversion to PV will prefer | |
cf2093f6 | 1470 | * NV over IV/UV. |
25da4f38 IZ |
1471 | */ |
1472 | ||
1473 | if (SvTYPE(sv) == SVt_NV) | |
1474 | sv_upgrade(sv, SVt_PVNV); | |
1475 | ||
a5f75d66 | 1476 | (void)SvIOK_on(sv); |
65202027 | 1477 | if (SvNVX(sv) < (NV)IV_MAX + 0.5) |
748a9306 | 1478 | SvIVX(sv) = I_V(SvNVX(sv)); |
25da4f38 | 1479 | else { |
ff68c719 | 1480 | SvUVX(sv) = U_V(SvNVX(sv)); |
25da4f38 IZ |
1481 | SvIsUV_on(sv); |
1482 | ret_iv_max: | |
cf2093f6 | 1483 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
57def98f | 1484 | "0x%"UVxf" 2iv(%"UVuf" => %"IVdf") (as unsigned)\n", |
56431972 | 1485 | PTR2UV(sv), |
57def98f JH |
1486 | SvUVX(sv), |
1487 | SvUVX(sv))); | |
25da4f38 IZ |
1488 | return (IV)SvUVX(sv); |
1489 | } | |
748a9306 LW |
1490 | } |
1491 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
25da4f38 IZ |
1492 | I32 numtype = looks_like_number(sv); |
1493 | ||
1494 | /* We want to avoid a possible problem when we cache an IV which | |
1495 | may be later translated to an NV, and the resulting NV is not | |
1496 | the translation of the initial data. | |
1497 | ||
1498 | This means that if we cache such an IV, we need to cache the | |
1499 | NV as well. Moreover, we trade speed for space, and do not | |
1500 | cache the NV if not needed. | |
1501 | */ | |
1502 | if (numtype & IS_NUMBER_NOT_IV) { | |
1503 | /* May be not an integer. Need to cache NV if we cache IV | |
1504 | * - otherwise future conversion to NV will be wrong. */ | |
65202027 | 1505 | NV d; |
25da4f38 | 1506 | |
097ee67d | 1507 | d = Atof(SvPVX(sv)); |
25da4f38 IZ |
1508 | |
1509 | if (SvTYPE(sv) < SVt_PVNV) | |
1510 | sv_upgrade(sv, SVt_PVNV); | |
1511 | SvNVX(sv) = d; | |
1512 | (void)SvNOK_on(sv); | |
1513 | (void)SvIOK_on(sv); | |
65202027 | 1514 | #if defined(USE_LONG_DOUBLE) |
1d7c1841 GS |
1515 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2nv(%" PERL_PRIgldbl ")\n", |
1516 | PTR2UV(sv), SvNVX(sv))); | |
65202027 | 1517 | #else |
1d7c1841 GS |
1518 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2nv(%g)\n", |
1519 | PTR2UV(sv), SvNVX(sv))); | |
65202027 | 1520 | #endif |
65202027 | 1521 | if (SvNVX(sv) < (NV)IV_MAX + 0.5) |
25da4f38 IZ |
1522 | SvIVX(sv) = I_V(SvNVX(sv)); |
1523 | else { | |
1524 | SvUVX(sv) = U_V(SvNVX(sv)); | |
1525 | SvIsUV_on(sv); | |
1526 | goto ret_iv_max; | |
1527 | } | |
1528 | } | |
1529 | else if (numtype) { | |
1530 | /* The NV may be reconstructed from IV - safe to cache IV, | |
1531 | which may be calculated by atol(). */ | |
1532 | if (SvTYPE(sv) == SVt_PV) | |
1533 | sv_upgrade(sv, SVt_PVIV); | |
1534 | (void)SvIOK_on(sv); | |
cf2093f6 | 1535 | SvIVX(sv) = Atol(SvPVX(sv)); |
25da4f38 IZ |
1536 | } |
1537 | else { /* Not a number. Cache 0. */ | |
1538 | dTHR; | |
1539 | ||
1540 | if (SvTYPE(sv) < SVt_PVIV) | |
1541 | sv_upgrade(sv, SVt_PVIV); | |
1542 | SvIVX(sv) = 0; | |
1543 | (void)SvIOK_on(sv); | |
1544 | if (ckWARN(WARN_NUMERIC)) | |
1545 | not_a_number(sv); | |
1546 | } | |
93a17b20 | 1547 | } |
79072805 | 1548 | else { |
11343788 | 1549 | dTHR; |
599cee73 | 1550 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
1d7c1841 | 1551 | report_uninit(); |
25da4f38 IZ |
1552 | if (SvTYPE(sv) < SVt_IV) |
1553 | /* Typically the caller expects that sv_any is not NULL now. */ | |
1554 | sv_upgrade(sv, SVt_IV); | |
a0d0e21e | 1555 | return 0; |
79072805 | 1556 | } |
1d7c1841 GS |
1557 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2iv(%"IVdf")\n", |
1558 | PTR2UV(sv),SvIVX(sv))); | |
25da4f38 | 1559 | return SvIsUV(sv) ? (IV)SvUVX(sv) : SvIVX(sv); |
79072805 LW |
1560 | } |
1561 | ||
ff68c719 | 1562 | UV |
864dbfa3 | 1563 | Perl_sv_2uv(pTHX_ register SV *sv) |
ff68c719 | 1564 | { |
1565 | if (!sv) | |
1566 | return 0; | |
1567 | if (SvGMAGICAL(sv)) { | |
1568 | mg_get(sv); | |
1569 | if (SvIOKp(sv)) | |
1570 | return SvUVX(sv); | |
1571 | if (SvNOKp(sv)) | |
1572 | return U_V(SvNVX(sv)); | |
36477c24 | 1573 | if (SvPOKp(sv) && SvLEN(sv)) |
1574 | return asUV(sv); | |
3fe9a6f1 | 1575 | if (!SvROK(sv)) { |
d008e5eb | 1576 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1577 | dTHR; |
d008e5eb | 1578 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
1d7c1841 | 1579 | report_uninit(); |
c6ee37c5 | 1580 | } |
36477c24 | 1581 | return 0; |
3fe9a6f1 | 1582 | } |
ff68c719 | 1583 | } |
1584 | if (SvTHINKFIRST(sv)) { | |
1585 | if (SvROK(sv)) { | |
ff68c719 | 1586 | SV* tmpstr; |
1587 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
9e7bc3e8 | 1588 | return SvUV(tmpstr); |
56431972 | 1589 | return PTR2UV(SvRV(sv)); |
ff68c719 | 1590 | } |
0336b60e IZ |
1591 | if (SvREADONLY(sv) && !SvOK(sv)) { |
1592 | dTHR; | |
1593 | if (ckWARN(WARN_UNINITIALIZED)) | |
1d7c1841 | 1594 | report_uninit(); |
ff68c719 | 1595 | return 0; |
1596 | } | |
1597 | } | |
25da4f38 IZ |
1598 | if (SvIOKp(sv)) { |
1599 | if (SvIsUV(sv)) { | |
1600 | return SvUVX(sv); | |
1601 | } | |
1602 | else { | |
1603 | return (UV)SvIVX(sv); | |
1604 | } | |
ff68c719 | 1605 | } |
1606 | if (SvNOKp(sv)) { | |
25da4f38 IZ |
1607 | /* We can cache the IV/UV value even if it not good enough |
1608 | * to reconstruct NV, since the conversion to PV will prefer | |
cf2093f6 | 1609 | * NV over IV/UV. |
25da4f38 IZ |
1610 | */ |
1611 | if (SvTYPE(sv) == SVt_NV) | |
1612 | sv_upgrade(sv, SVt_PVNV); | |
ff68c719 | 1613 | (void)SvIOK_on(sv); |
25da4f38 IZ |
1614 | if (SvNVX(sv) >= -0.5) { |
1615 | SvIsUV_on(sv); | |
1616 | SvUVX(sv) = U_V(SvNVX(sv)); | |
1617 | } | |
1618 | else { | |
1619 | SvIVX(sv) = I_V(SvNVX(sv)); | |
1620 | ret_zero: | |
cf2093f6 | 1621 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
07270b1a | 1622 | "0x%"UVxf" 2uv(%"IVdf" => %"IVdf") (as signed)\n", |
57def98f JH |
1623 | PTR2UV(sv), |
1624 | SvIVX(sv), | |
1625 | (IV)(UV)SvIVX(sv))); | |
25da4f38 IZ |
1626 | return (UV)SvIVX(sv); |
1627 | } | |
ff68c719 | 1628 | } |
1629 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
25da4f38 IZ |
1630 | I32 numtype = looks_like_number(sv); |
1631 | ||
1632 | /* We want to avoid a possible problem when we cache a UV which | |
1633 | may be later translated to an NV, and the resulting NV is not | |
1634 | the translation of the initial data. | |
1635 | ||
1636 | This means that if we cache such a UV, we need to cache the | |
1637 | NV as well. Moreover, we trade speed for space, and do not | |
1638 | cache the NV if not needed. | |
1639 | */ | |
1640 | if (numtype & IS_NUMBER_NOT_IV) { | |
1641 | /* May be not an integer. Need to cache NV if we cache IV | |
1642 | * - otherwise future conversion to NV will be wrong. */ | |
65202027 | 1643 | NV d; |
25da4f38 | 1644 | |
cf2093f6 | 1645 | d = Atof(SvPVX(sv)); |
25da4f38 IZ |
1646 | |
1647 | if (SvTYPE(sv) < SVt_PVNV) | |
1648 | sv_upgrade(sv, SVt_PVNV); | |
1649 | SvNVX(sv) = d; | |
1650 | (void)SvNOK_on(sv); | |
1651 | (void)SvIOK_on(sv); | |
65202027 | 1652 | #if defined(USE_LONG_DOUBLE) |
1d7c1841 GS |
1653 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1654 | "0x%"UVxf" 2nv(%" PERL_PRIgldbl ")\n", | |
1655 | PTR2UV(sv), SvNVX(sv))); | |
65202027 | 1656 | #else |
1d7c1841 GS |
1657 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1658 | "0x%"UVxf" 2nv(%g)\n", | |
1659 | PTR2UV(sv), SvNVX(sv))); | |
65202027 | 1660 | #endif |
25da4f38 IZ |
1661 | if (SvNVX(sv) < -0.5) { |
1662 | SvIVX(sv) = I_V(SvNVX(sv)); | |
1663 | goto ret_zero; | |
1664 | } else { | |
1665 | SvUVX(sv) = U_V(SvNVX(sv)); | |
1666 | SvIsUV_on(sv); | |
1667 | } | |
1668 | } | |
1669 | else if (numtype & IS_NUMBER_NEG) { | |
1670 | /* The NV may be reconstructed from IV - safe to cache IV, | |
1671 | which may be calculated by atol(). */ | |
1672 | if (SvTYPE(sv) == SVt_PV) | |
1673 | sv_upgrade(sv, SVt_PVIV); | |
1674 | (void)SvIOK_on(sv); | |
cf2093f6 | 1675 | SvIVX(sv) = (IV)Atol(SvPVX(sv)); |
25da4f38 IZ |
1676 | } |
1677 | else if (numtype) { /* Non-negative */ | |
1678 | /* The NV may be reconstructed from UV - safe to cache UV, | |
1679 | which may be calculated by strtoul()/atol. */ | |
1680 | if (SvTYPE(sv) == SVt_PV) | |
1681 | sv_upgrade(sv, SVt_PVIV); | |
1682 | (void)SvIOK_on(sv); | |
1683 | (void)SvIsUV_on(sv); | |
1684 | #ifdef HAS_STRTOUL | |
cf2093f6 | 1685 | SvUVX(sv) = Strtoul(SvPVX(sv), Null(char**), 10); |
25da4f38 IZ |
1686 | #else /* no atou(), but we know the number fits into IV... */ |
1687 | /* The only problem may be if it is negative... */ | |
cf2093f6 | 1688 | SvUVX(sv) = (UV)Atol(SvPVX(sv)); |
25da4f38 IZ |
1689 | #endif |
1690 | } | |
1691 | else { /* Not a number. Cache 0. */ | |
1692 | dTHR; | |
1693 | ||
1694 | if (SvTYPE(sv) < SVt_PVIV) | |
1695 | sv_upgrade(sv, SVt_PVIV); | |
1696 | SvUVX(sv) = 0; /* We assume that 0s have the | |
1697 | same bitmap in IV and UV. */ | |
1698 | (void)SvIOK_on(sv); | |
1699 | (void)SvIsUV_on(sv); | |
1700 | if (ckWARN(WARN_NUMERIC)) | |
1701 | not_a_number(sv); | |
1702 | } | |
ff68c719 | 1703 | } |
1704 | else { | |
d008e5eb | 1705 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1706 | dTHR; |
d008e5eb | 1707 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
1d7c1841 | 1708 | report_uninit(); |
c6ee37c5 | 1709 | } |
25da4f38 IZ |
1710 | if (SvTYPE(sv) < SVt_IV) |
1711 | /* Typically the caller expects that sv_any is not NULL now. */ | |
1712 | sv_upgrade(sv, SVt_IV); | |
ff68c719 | 1713 | return 0; |
1714 | } | |
25da4f38 | 1715 | |
1d7c1841 GS |
1716 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2uv(%"UVuf")\n", |
1717 | PTR2UV(sv),SvUVX(sv))); | |
25da4f38 | 1718 | return SvIsUV(sv) ? SvUVX(sv) : (UV)SvIVX(sv); |
ff68c719 | 1719 | } |
1720 | ||
65202027 | 1721 | NV |
864dbfa3 | 1722 | Perl_sv_2nv(pTHX_ register SV *sv) |
79072805 LW |
1723 | { |
1724 | if (!sv) | |
1725 | return 0.0; | |
8990e307 | 1726 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1727 | mg_get(sv); |
1728 | if (SvNOKp(sv)) | |
1729 | return SvNVX(sv); | |
a0d0e21e | 1730 | if (SvPOKp(sv) && SvLEN(sv)) { |
d008e5eb | 1731 | dTHR; |
599cee73 | 1732 | if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1733 | not_a_number(sv); |
097ee67d | 1734 | return Atof(SvPVX(sv)); |
a0d0e21e | 1735 | } |
25da4f38 IZ |
1736 | if (SvIOKp(sv)) { |
1737 | if (SvIsUV(sv)) | |
65202027 | 1738 | return (NV)SvUVX(sv); |
25da4f38 | 1739 | else |
65202027 | 1740 | return (NV)SvIVX(sv); |
25da4f38 | 1741 | } |
16d20bd9 | 1742 | if (!SvROK(sv)) { |
d008e5eb | 1743 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1744 | dTHR; |
d008e5eb | 1745 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
1d7c1841 | 1746 | report_uninit(); |
c6ee37c5 | 1747 | } |
16d20bd9 AD |
1748 | return 0; |
1749 | } | |
463ee0b2 | 1750 | } |
ed6116ce | 1751 | if (SvTHINKFIRST(sv)) { |
a0d0e21e | 1752 | if (SvROK(sv)) { |
a0d0e21e LW |
1753 | SV* tmpstr; |
1754 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer))) | |
9e7bc3e8 | 1755 | return SvNV(tmpstr); |
56431972 | 1756 | return PTR2NV(SvRV(sv)); |
a0d0e21e | 1757 | } |
0336b60e | 1758 | if (SvREADONLY(sv) && !SvOK(sv)) { |
d008e5eb | 1759 | dTHR; |
599cee73 | 1760 | if (ckWARN(WARN_UNINITIALIZED)) |
1d7c1841 | 1761 | report_uninit(); |
ed6116ce LW |
1762 | return 0.0; |
1763 | } | |
79072805 LW |
1764 | } |
1765 | if (SvTYPE(sv) < SVt_NV) { | |
463ee0b2 LW |
1766 | if (SvTYPE(sv) == SVt_IV) |
1767 | sv_upgrade(sv, SVt_PVNV); | |
1768 | else | |
1769 | sv_upgrade(sv, SVt_NV); | |
572bbb43 | 1770 | #if defined(USE_LONG_DOUBLE) |
097ee67d JH |
1771 | DEBUG_c({ |
1772 | RESTORE_NUMERIC_STANDARD(); | |
1d7c1841 GS |
1773 | PerlIO_printf(Perl_debug_log, |
1774 | "0x%"UVxf" num(%" PERL_PRIgldbl ")\n", | |
1775 | PTR2UV(sv), SvNVX(sv)); | |
572bbb43 GS |
1776 | RESTORE_NUMERIC_LOCAL(); |
1777 | }); | |
65202027 | 1778 | #else |
572bbb43 GS |
1779 | DEBUG_c({ |
1780 | RESTORE_NUMERIC_STANDARD(); | |
1d7c1841 GS |
1781 | PerlIO_printf(Perl_debug_log, "0x%"UVxf" num(%g)\n", |
1782 | PTR2UV(sv), SvNVX(sv)); | |
097ee67d JH |
1783 | RESTORE_NUMERIC_LOCAL(); |
1784 | }); | |
572bbb43 | 1785 | #endif |
79072805 LW |
1786 | } |
1787 | else if (SvTYPE(sv) < SVt_PVNV) | |
1788 | sv_upgrade(sv, SVt_PVNV); | |
748a9306 LW |
1789 | if (SvIOKp(sv) && |
1790 | (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv))) | |
93a17b20 | 1791 | { |
65202027 | 1792 | SvNVX(sv) = SvIsUV(sv) ? (NV)SvUVX(sv) : (NV)SvIVX(sv); |
93a17b20 | 1793 | } |
748a9306 | 1794 | else if (SvPOKp(sv) && SvLEN(sv)) { |
d008e5eb | 1795 | dTHR; |
599cee73 | 1796 | if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1797 | not_a_number(sv); |
097ee67d | 1798 | SvNVX(sv) = Atof(SvPVX(sv)); |
93a17b20 | 1799 | } |
79072805 | 1800 | else { |
11343788 | 1801 | dTHR; |
599cee73 | 1802 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
1d7c1841 | 1803 | report_uninit(); |
25da4f38 IZ |
1804 | if (SvTYPE(sv) < SVt_NV) |
1805 | /* Typically the caller expects that sv_any is not NULL now. */ | |
1806 | sv_upgrade(sv, SVt_NV); | |
a0d0e21e | 1807 | return 0.0; |
79072805 LW |
1808 | } |
1809 | SvNOK_on(sv); | |
572bbb43 | 1810 | #if defined(USE_LONG_DOUBLE) |
097ee67d JH |
1811 | DEBUG_c({ |
1812 | RESTORE_NUMERIC_STANDARD(); | |
1d7c1841 GS |
1813 | PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2nv(%" PERL_PRIgldbl ")\n", |
1814 | PTR2UV(sv), SvNVX(sv)); | |
572bbb43 GS |
1815 | RESTORE_NUMERIC_LOCAL(); |
1816 | }); | |
65202027 | 1817 | #else |
572bbb43 GS |
1818 | DEBUG_c({ |
1819 | RESTORE_NUMERIC_STANDARD(); | |
1d7c1841 GS |
1820 | PerlIO_printf(Perl_debug_log, "0x%"UVxf" 1nv(%g)\n", |
1821 | PTR2UV(sv), SvNVX(sv)); | |
097ee67d JH |
1822 | RESTORE_NUMERIC_LOCAL(); |
1823 | }); | |
572bbb43 | 1824 | #endif |
463ee0b2 | 1825 | return SvNVX(sv); |
79072805 LW |
1826 | } |
1827 | ||
76e3520e | 1828 | STATIC IV |
cea2e8a9 | 1829 | S_asIV(pTHX_ SV *sv) |
36477c24 | 1830 | { |
1831 | I32 numtype = looks_like_number(sv); | |
65202027 | 1832 | NV d; |
36477c24 | 1833 | |
25da4f38 | 1834 | if (numtype & IS_NUMBER_TO_INT_BY_ATOL) |
cf2093f6 | 1835 | return Atol(SvPVX(sv)); |
d008e5eb GS |
1836 | if (!numtype) { |
1837 | dTHR; | |
1838 | if (ckWARN(WARN_NUMERIC)) | |
1839 | not_a_number(sv); | |
1840 | } | |
097ee67d | 1841 | d = Atof(SvPVX(sv)); |
25da4f38 | 1842 | return I_V(d); |
36477c24 | 1843 | } |
1844 | ||
76e3520e | 1845 | STATIC UV |
cea2e8a9 | 1846 | S_asUV(pTHX_ SV *sv) |
36477c24 | 1847 | { |
1848 | I32 numtype = looks_like_number(sv); | |
1849 | ||
84902520 | 1850 | #ifdef HAS_STRTOUL |
25da4f38 | 1851 | if (numtype & IS_NUMBER_TO_INT_BY_ATOL) |
cf2093f6 | 1852 | return Strtoul(SvPVX(sv), Null(char**), 10); |
84902520 | 1853 | #endif |
d008e5eb GS |
1854 | if (!numtype) { |
1855 | dTHR; | |
1856 | if (ckWARN(WARN_NUMERIC)) | |
1857 | not_a_number(sv); | |
1858 | } | |
097ee67d | 1859 | return U_V(Atof(SvPVX(sv))); |
36477c24 | 1860 | } |
1861 | ||
25da4f38 IZ |
1862 | /* |
1863 | * Returns a combination of (advisory only - can get false negatives) | |
1864 | * IS_NUMBER_TO_INT_BY_ATOL, IS_NUMBER_TO_INT_BY_ATOF, IS_NUMBER_NOT_IV, | |
1865 | * IS_NUMBER_NEG | |
1866 | * 0 if does not look like number. | |
1867 | * | |
1868 | * In fact possible values are 0 and | |
1869 | * IS_NUMBER_TO_INT_BY_ATOL 123 | |
1870 | * IS_NUMBER_TO_INT_BY_ATOL | IS_NUMBER_NOT_IV 123.1 | |
1871 | * IS_NUMBER_TO_INT_BY_ATOF | IS_NUMBER_NOT_IV 123e0 | |
1872 | * with a possible addition of IS_NUMBER_NEG. | |
1873 | */ | |
1874 | ||
36477c24 | 1875 | I32 |
864dbfa3 | 1876 | Perl_looks_like_number(pTHX_ SV *sv) |
36477c24 | 1877 | { |
1878 | register char *s; | |
1879 | register char *send; | |
1880 | register char *sbegin; | |
25da4f38 IZ |
1881 | register char *nbegin; |
1882 | I32 numtype = 0; | |
36477c24 | 1883 | STRLEN len; |
1884 | ||
1885 | if (SvPOK(sv)) { | |
1886 | sbegin = SvPVX(sv); | |
1887 | len = SvCUR(sv); | |
1888 | } | |
1889 | else if (SvPOKp(sv)) | |
1890 | sbegin = SvPV(sv, len); | |
1891 | else | |
1892 | return 1; | |
1893 | send = sbegin + len; | |
1894 | ||
1895 | s = sbegin; | |
1896 | while (isSPACE(*s)) | |
1897 | s++; | |
25da4f38 IZ |
1898 | if (*s == '-') { |
1899 | s++; | |
1900 | numtype = IS_NUMBER_NEG; | |
1901 | } | |
1902 | else if (*s == '+') | |
36477c24 | 1903 | s++; |
ff0cee69 | 1904 | |
25da4f38 IZ |
1905 | nbegin = s; |
1906 | /* | |
097ee67d JH |
1907 | * we return IS_NUMBER_TO_INT_BY_ATOL if the number can be converted |
1908 | * to _integer_ with atol() and IS_NUMBER_TO_INT_BY_ATOF if you need | |
1909 | * (int)atof(). | |
25da4f38 IZ |
1910 | */ |
1911 | ||
097ee67d | 1912 | /* next must be digit or the radix separator */ |
ff0cee69 | 1913 | if (isDIGIT(*s)) { |
1914 | do { | |
1915 | s++; | |
1916 | } while (isDIGIT(*s)); | |
25da4f38 IZ |
1917 | |
1918 | if (s - nbegin >= TYPE_DIGITS(IV)) /* Cannot cache ato[ul]() */ | |
1919 | numtype |= IS_NUMBER_TO_INT_BY_ATOF | IS_NUMBER_NOT_IV; | |
1920 | else | |
1921 | numtype |= IS_NUMBER_TO_INT_BY_ATOL; | |
1922 | ||
097ee67d JH |
1923 | if (*s == '.' |
1924 | #ifdef USE_LOCALE_NUMERIC | |
1925 | || IS_NUMERIC_RADIX(*s) | |
1926 | #endif | |
1927 | ) { | |
ff0cee69 | 1928 | s++; |
25da4f38 | 1929 | numtype |= IS_NUMBER_NOT_IV; |
097ee67d | 1930 | while (isDIGIT(*s)) /* optional digits after the radix */ |
ff0cee69 | 1931 | s++; |
1932 | } | |
36477c24 | 1933 | } |
097ee67d JH |
1934 | else if (*s == '.' |
1935 | #ifdef USE_LOCALE_NUMERIC | |
1936 | || IS_NUMERIC_RADIX(*s) | |
1937 | #endif | |
1938 | ) { | |
ff0cee69 | 1939 | s++; |
25da4f38 | 1940 | numtype |= IS_NUMBER_TO_INT_BY_ATOL | IS_NUMBER_NOT_IV; |
097ee67d | 1941 | /* no digits before the radix means we need digits after it */ |
ff0cee69 | 1942 | if (isDIGIT(*s)) { |
1943 | do { | |
1944 | s++; | |
1945 | } while (isDIGIT(*s)); | |
1946 | } | |
1947 | else | |
1948 | return 0; | |
1949 | } | |
1950 | else | |
1951 | return 0; | |
1952 | ||
ff0cee69 | 1953 | /* we can have an optional exponent part */ |
36477c24 | 1954 | if (*s == 'e' || *s == 'E') { |
25da4f38 IZ |
1955 | numtype &= ~IS_NUMBER_NEG; |
1956 | numtype |= IS_NUMBER_TO_INT_BY_ATOF | IS_NUMBER_NOT_IV; | |
36477c24 | 1957 | s++; |
1958 | if (*s == '+' || *s == '-') | |
1959 | s++; | |
ff0cee69 | 1960 | if (isDIGIT(*s)) { |
1961 | do { | |
1962 | s++; | |
1963 | } while (isDIGIT(*s)); | |
1964 | } | |
1965 | else | |
1966 | return 0; | |
36477c24 | 1967 | } |
1968 | while (isSPACE(*s)) | |
1969 | s++; | |
1970 | if (s >= send) | |
1971 | return numtype; | |
1972 | if (len == 10 && memEQ(sbegin, "0 but true", 10)) | |
25da4f38 | 1973 | return IS_NUMBER_TO_INT_BY_ATOL; |
36477c24 | 1974 | return 0; |
1975 | } | |
1976 | ||
79072805 | 1977 | char * |
864dbfa3 | 1978 | Perl_sv_2pv_nolen(pTHX_ register SV *sv) |
1fa8b10d JD |
1979 | { |
1980 | STRLEN n_a; | |
1981 | return sv_2pv(sv, &n_a); | |
1982 | } | |
1983 | ||
25da4f38 | 1984 | /* We assume that buf is at least TYPE_CHARS(UV) long. */ |
864dbfa3 | 1985 | static char * |
25da4f38 IZ |
1986 | uiv_2buf(char *buf, IV iv, UV uv, int is_uv, char **peob) |
1987 | { | |
1988 | STRLEN len; | |
1989 | char *ptr = buf + TYPE_CHARS(UV); | |
1990 | char *ebuf = ptr; | |
1991 | int sign; | |
1992 | char *p; | |
1993 | ||
1994 | if (is_uv) | |
1995 | sign = 0; | |
1996 | else if (iv >= 0) { | |
1997 | uv = iv; | |
1998 | sign = 0; | |
1999 | } else { | |
2000 | uv = -iv; | |
2001 | sign = 1; | |
2002 | } | |
2003 | do { | |
2004 | *--ptr = '0' + (uv % 10); | |
2005 | } while (uv /= 10); | |
2006 | if (sign) | |
2007 | *--ptr = '-'; | |
2008 | *peob = ebuf; | |
2009 | return ptr; | |
2010 | } | |
2011 | ||
1fa8b10d | 2012 | char * |
864dbfa3 | 2013 | Perl_sv_2pv(pTHX_ register SV *sv, STRLEN *lp) |
79072805 LW |
2014 | { |
2015 | register char *s; | |
2016 | int olderrno; | |
46fc3d4c | 2017 | SV *tsv; |
25da4f38 IZ |
2018 | char tbuf[64]; /* Must fit sprintf/Gconvert of longest IV/NV */ |
2019 | char *tmpbuf = tbuf; | |
79072805 | 2020 | |
463ee0b2 LW |
2021 | if (!sv) { |
2022 | *lp = 0; | |
2023 | return ""; | |
2024 | } | |
8990e307 | 2025 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
2026 | mg_get(sv); |
2027 | if (SvPOKp(sv)) { | |
2028 | *lp = SvCUR(sv); | |
2029 | return SvPVX(sv); | |
2030 | } | |
cf2093f6 | 2031 | if (SvIOKp(sv)) { |
cf2093f6 | 2032 | if (SvIsUV(sv)) |
57def98f | 2033 | (void)sprintf(tmpbuf,"%"UVuf, (UV)SvUVX(sv)); |
cf2093f6 | 2034 | else |
57def98f | 2035 | (void)sprintf(tmpbuf,"%"IVdf, (IV)SvIVX(sv)); |
46fc3d4c | 2036 | tsv = Nullsv; |
a0d0e21e | 2037 | goto tokensave; |
463ee0b2 LW |
2038 | } |
2039 | if (SvNOKp(sv)) { | |
2d4389e4 | 2040 | Gconvert(SvNVX(sv), NV_DIG, 0, tmpbuf); |
46fc3d4c | 2041 | tsv = Nullsv; |
a0d0e21e | 2042 | goto tokensave; |
463ee0b2 | 2043 | } |
16d20bd9 | 2044 | if (!SvROK(sv)) { |
d008e5eb | 2045 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 2046 | dTHR; |
d008e5eb | 2047 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
1d7c1841 | 2048 | report_uninit(); |
c6ee37c5 | 2049 | } |
16d20bd9 AD |
2050 | *lp = 0; |
2051 | return ""; | |
2052 | } | |
463ee0b2 | 2053 | } |
ed6116ce LW |
2054 | if (SvTHINKFIRST(sv)) { |
2055 | if (SvROK(sv)) { | |
a0d0e21e LW |
2056 | SV* tmpstr; |
2057 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string))) | |
9e7bc3e8 | 2058 | return SvPV(tmpstr,*lp); |
ed6116ce LW |
2059 | sv = (SV*)SvRV(sv); |
2060 | if (!sv) | |
2061 | s = "NULLREF"; | |
2062 | else { | |
f9277f47 IZ |
2063 | MAGIC *mg; |
2064 | ||
ed6116ce | 2065 | switch (SvTYPE(sv)) { |
f9277f47 IZ |
2066 | case SVt_PVMG: |
2067 | if ( ((SvFLAGS(sv) & | |
2068 | (SVs_OBJECT|SVf_OK|SVs_GMG|SVs_SMG|SVs_RMG)) | |
3149a8e4 | 2069 | == (SVs_OBJECT|SVs_RMG)) |
57668c4d | 2070 | && strEQ(s=HvNAME(SvSTASH(sv)), "Regexp") |
f9277f47 | 2071 | && (mg = mg_find(sv, 'r'))) { |
5c0ca799 | 2072 | dTHR; |
2cd61cdb | 2073 | regexp *re = (regexp *)mg->mg_obj; |
1bd3ad17 | 2074 | |
2cd61cdb | 2075 | if (!mg->mg_ptr) { |
8782bef2 GB |
2076 | char *fptr = "msix"; |
2077 | char reflags[6]; | |
2078 | char ch; | |
2079 | int left = 0; | |
2080 | int right = 4; | |
2081 | U16 reganch = (re->reganch & PMf_COMPILETIME) >> 12; | |
2082 | ||
2083 | while(ch = *fptr++) { | |
2084 | if(reganch & 1) { | |
2085 | reflags[left++] = ch; | |
2086 | } | |
2087 | else { | |
2088 | reflags[right--] = ch; | |
2089 | } | |
2090 | reganch >>= 1; | |
2091 | } | |
2092 | if(left != 4) { | |
2093 | reflags[left] = '-'; | |
2094 | left = 5; | |
2095 | } | |
2096 | ||
2097 | mg->mg_len = re->prelen + 4 + left; | |
2098 | New(616, mg->mg_ptr, mg->mg_len + 1 + left, char); | |
2099 | Copy("(?", mg->mg_ptr, 2, char); | |
2100 | Copy(reflags, mg->mg_ptr+2, left, char); | |
2101 | Copy(":", mg->mg_ptr+left+2, 1, char); | |
2102 | Copy(re->precomp, mg->mg_ptr+3+left, re->prelen, char); | |
1bd3ad17 IZ |
2103 | mg->mg_ptr[mg->mg_len - 1] = ')'; |
2104 | mg->mg_ptr[mg->mg_len] = 0; | |
2105 | } | |
3280af22 | 2106 | PL_reginterp_cnt += re->program[0].next_off; |
1bd3ad17 IZ |
2107 | *lp = mg->mg_len; |
2108 | return mg->mg_ptr; | |
f9277f47 IZ |
2109 | } |
2110 | /* Fall through */ | |
ed6116ce LW |
2111 | case SVt_NULL: |
2112 | case SVt_IV: | |
2113 | case SVt_NV: | |
2114 | case SVt_RV: | |
2115 | case SVt_PV: | |
2116 | case SVt_PVIV: | |
2117 | case SVt_PVNV: | |
f9277f47 | 2118 | case SVt_PVBM: s = "SCALAR"; break; |
ed6116ce LW |
2119 | case SVt_PVLV: s = "LVALUE"; break; |
2120 | case SVt_PVAV: s = "ARRAY"; break; | |
2121 | case SVt_PVHV: s = "HASH"; break; | |
2122 | case SVt_PVCV: s = "CODE"; break; | |
2123 | case SVt_PVGV: s = "GLOB"; break; | |
1d2dff63 | 2124 | case SVt_PVFM: s = "FORMAT"; break; |
36477c24 | 2125 | case SVt_PVIO: s = "IO"; break; |
ed6116ce LW |
2126 | default: s = "UNKNOWN"; break; |
2127 | } | |
46fc3d4c | 2128 | tsv = NEWSV(0,0); |
ed6116ce | 2129 | if (SvOBJECT(sv)) |
cea2e8a9 | 2130 | Perl_sv_setpvf(aTHX_ tsv, "%s=%s", HvNAME(SvSTASH(sv)), s); |
ed6116ce | 2131 | else |
46fc3d4c | 2132 | sv_setpv(tsv, s); |
57def98f | 2133 | Perl_sv_catpvf(aTHX_ tsv, "(0x%"UVxf")", PTR2UV(sv)); |
a0d0e21e | 2134 | goto tokensaveref; |
463ee0b2 | 2135 | } |
ed6116ce LW |
2136 | *lp = strlen(s); |
2137 | return s; | |
79072805 | 2138 | } |
0336b60e IZ |
2139 | if (SvREADONLY(sv) && !SvOK(sv)) { |
2140 | dTHR; | |
2141 | if (ckWARN(WARN_UNINITIALIZED)) | |
1d7c1841 | 2142 | report_uninit(); |
ed6116ce LW |
2143 | *lp = 0; |
2144 | return ""; | |
79072805 | 2145 | } |
79072805 | 2146 | } |
25da4f38 IZ |
2147 | if (SvNOKp(sv)) { /* See note in sv_2uv() */ |
2148 | /* XXXX 64-bit? IV may have better precision... */ | |
34d861e4 JH |
2149 | /* I tried changing this for to be 64-bit-aware and |
2150 | * the t/op/numconvert.t became very, very, angry. | |
2151 | * --jhi Sep 1999 */ | |
79072805 LW |
2152 | if (SvTYPE(sv) < SVt_PVNV) |
2153 | sv_upgrade(sv, SVt_PVNV); | |
2154 | SvGROW(sv, 28); | |
463ee0b2 | 2155 | s = SvPVX(sv); |
79072805 | 2156 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
79072805 | 2157 | #ifdef apollo |
463ee0b2 | 2158 | if (SvNVX(sv) == 0.0) |
79072805 LW |
2159 | (void)strcpy(s,"0"); |
2160 | else | |
2161 | #endif /*apollo*/ | |
bbce6d69 | 2162 | { |
2d4389e4 | 2163 | Gconvert(SvNVX(sv), NV_DIG, 0, s); |
bbce6d69 | 2164 | } |
79072805 | 2165 | errno = olderrno; |
a0d0e21e LW |
2166 | #ifdef FIXNEGATIVEZERO |
2167 | if (*s == '-' && s[1] == '0' && !s[2]) | |
2168 | strcpy(s,"0"); | |
2169 | #endif | |
79072805 LW |
2170 | while (*s) s++; |
2171 | #ifdef hcx | |
2172 | if (s[-1] == '.') | |
46fc3d4c | 2173 | *--s = '\0'; |
79072805 LW |
2174 | #endif |
2175 | } | |
748a9306 | 2176 | else if (SvIOKp(sv)) { |
25da4f38 | 2177 | U32 isIOK = SvIOK(sv); |
0336b60e | 2178 | U32 isUIOK = SvIsUV(sv); |
25da4f38 IZ |
2179 | char buf[TYPE_CHARS(UV)]; |
2180 | char *ebuf, *ptr; | |
2181 | ||
79072805 LW |
2182 | if (SvTYPE(sv) < SVt_PVIV) |
2183 | sv_upgrade(sv, SVt_PVIV); | |
0336b60e | 2184 | if (isUIOK) |
25da4f38 | 2185 | ptr = uiv_2buf(buf, 0, SvUVX(sv), 1, &ebuf); |
0336b60e | 2186 | else |
25da4f38 | 2187 | ptr = uiv_2buf(buf, SvIVX(sv), 0, 0, &ebuf); |
0336b60e IZ |
2188 | SvGROW(sv, ebuf - ptr + 1); /* inlined from sv_setpvn */ |
2189 | Move(ptr,SvPVX(sv),ebuf - ptr,char); | |
2190 | SvCUR_set(sv, ebuf - ptr); | |
46fc3d4c | 2191 | s = SvEND(sv); |
0336b60e | 2192 | *s = '\0'; |
25da4f38 | 2193 | if (isIOK) |
64f14228 GA |
2194 | SvIOK_on(sv); |
2195 | else | |
2196 | SvIOKp_on(sv); | |
0336b60e IZ |
2197 | if (isUIOK) |
2198 | SvIsUV_on(sv); | |
2199 | SvPOK_on(sv); | |
79072805 LW |
2200 | } |
2201 | else { | |
11343788 | 2202 | dTHR; |
0336b60e IZ |
2203 | if (ckWARN(WARN_UNINITIALIZED) |
2204 | && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) | |
2205 | { | |
1d7c1841 | 2206 | report_uninit(); |
0336b60e | 2207 | } |
a0d0e21e | 2208 | *lp = 0; |
25da4f38 IZ |
2209 | if (SvTYPE(sv) < SVt_PV) |
2210 | /* Typically the caller expects that sv_any is not NULL now. */ | |
2211 | sv_upgrade(sv, SVt_PV); | |
a0d0e21e | 2212 | return ""; |
79072805 | 2213 | } |
463ee0b2 LW |
2214 | *lp = s - SvPVX(sv); |
2215 | SvCUR_set(sv, *lp); | |
79072805 | 2216 | SvPOK_on(sv); |
1d7c1841 GS |
2217 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2pv(%s)\n", |
2218 | PTR2UV(sv),SvPVX(sv))); | |
463ee0b2 | 2219 | return SvPVX(sv); |
a0d0e21e LW |
2220 | |
2221 | tokensave: | |
2222 | if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */ | |
2223 | /* Sneaky stuff here */ | |
2224 | ||
2225 | tokensaveref: | |
46fc3d4c | 2226 | if (!tsv) |
96827780 | 2227 | tsv = newSVpv(tmpbuf, 0); |
46fc3d4c | 2228 | sv_2mortal(tsv); |
2229 | *lp = SvCUR(tsv); | |
2230 | return SvPVX(tsv); | |
a0d0e21e LW |
2231 | } |
2232 | else { | |
2233 | STRLEN len; | |
46fc3d4c | 2234 | char *t; |
2235 | ||
2236 | if (tsv) { | |
2237 | sv_2mortal(tsv); | |
2238 | t = SvPVX(tsv); | |
2239 | len = SvCUR(tsv); | |
2240 | } | |
2241 | else { | |
96827780 MB |
2242 | t = tmpbuf; |
2243 | len = strlen(tmpbuf); | |
46fc3d4c | 2244 | } |
a0d0e21e | 2245 | #ifdef FIXNEGATIVEZERO |
46fc3d4c | 2246 | if (len == 2 && t[0] == '-' && t[1] == '0') { |
2247 | t = "0"; | |
2248 | len = 1; | |
2249 | } | |
a0d0e21e LW |
2250 | #endif |
2251 | (void)SvUPGRADE(sv, SVt_PV); | |
46fc3d4c | 2252 | *lp = len; |
a0d0e21e LW |
2253 | s = SvGROW(sv, len + 1); |
2254 | SvCUR_set(sv, len); | |
46fc3d4c | 2255 | (void)strcpy(s, t); |
6bf554b4 | 2256 | SvPOKp_on(sv); |
a0d0e21e LW |
2257 | return s; |
2258 | } | |
463ee0b2 LW |
2259 | } |
2260 | ||
7340a771 GS |
2261 | char * |
2262 | Perl_sv_2pvbyte_nolen(pTHX_ register SV *sv) | |
2263 | { | |
2264 | return sv_2pv_nolen(sv); | |
2265 | } | |
2266 | ||
2267 | char * | |
2268 | Perl_sv_2pvbyte(pTHX_ register SV *sv, STRLEN *lp) | |
2269 | { | |
2270 | return sv_2pv(sv,lp); | |
2271 | } | |
2272 | ||
2273 | char * | |
2274 | Perl_sv_2pvutf8_nolen(pTHX_ register SV *sv) | |
2275 | { | |
2276 | return sv_2pv_nolen(sv); | |
2277 | } | |
2278 | ||
2279 | char * | |
2280 | Perl_sv_2pvutf8(pTHX_ register SV *sv, STRLEN *lp) | |
2281 | { | |
2282 | return sv_2pv(sv,lp); | |
2283 | } | |
2284 | ||
463ee0b2 LW |
2285 | /* This function is only called on magical items */ |
2286 | bool | |
864dbfa3 | 2287 | Perl_sv_2bool(pTHX_ register SV *sv) |
463ee0b2 | 2288 | { |
8990e307 | 2289 | if (SvGMAGICAL(sv)) |
463ee0b2 LW |
2290 | mg_get(sv); |
2291 | ||
a0d0e21e LW |
2292 | if (!SvOK(sv)) |
2293 | return 0; | |
2294 | if (SvROK(sv)) { | |
11343788 | 2295 | dTHR; |
a0d0e21e LW |
2296 | SV* tmpsv; |
2297 | if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_))) | |
9e7bc3e8 | 2298 | return SvTRUE(tmpsv); |
a0d0e21e LW |
2299 | return SvRV(sv) != 0; |
2300 | } | |
463ee0b2 | 2301 | if (SvPOKp(sv)) { |
11343788 MB |
2302 | register XPV* Xpvtmp; |
2303 | if ((Xpvtmp = (XPV*)SvANY(sv)) && | |
2304 | (*Xpvtmp->xpv_pv > '0' || | |
2305 | Xpvtmp->xpv_cur > 1 || | |
2306 | (Xpvtmp->xpv_cur && *Xpvtmp->xpv_pv != '0'))) | |
463ee0b2 LW |
2307 | return 1; |
2308 | else | |
2309 | return 0; | |
2310 | } | |
2311 | else { | |
2312 | if (SvIOKp(sv)) | |
2313 | return SvIVX(sv) != 0; | |
2314 | else { | |
2315 | if (SvNOKp(sv)) | |
2316 | return SvNVX(sv) != 0.0; | |
2317 | else | |
2318 | return FALSE; | |
2319 | } | |
2320 | } | |
79072805 LW |
2321 | } |
2322 | ||
2323 | /* Note: sv_setsv() should not be called with a source string that needs | |
463ee0b2 | 2324 | * to be reused, since it may destroy the source string if it is marked |
79072805 LW |
2325 | * as temporary. |
2326 | */ | |
2327 | ||
2328 | void | |
864dbfa3 | 2329 | Perl_sv_setsv(pTHX_ SV *dstr, register SV *sstr) |
79072805 | 2330 | { |
11343788 | 2331 | dTHR; |
8990e307 LW |
2332 | register U32 sflags; |
2333 | register int dtype; | |
2334 | register int stype; | |
463ee0b2 | 2335 | |
79072805 LW |
2336 | if (sstr == dstr) |
2337 | return; | |
2213622d | 2338 | SV_CHECK_THINKFIRST(dstr); |
79072805 | 2339 | if (!sstr) |
3280af22 | 2340 | sstr = &PL_sv_undef; |
8990e307 LW |
2341 | stype = SvTYPE(sstr); |
2342 | dtype = SvTYPE(dstr); | |
79072805 | 2343 | |
a0d0e21e | 2344 | SvAMAGIC_off(dstr); |
9e7bc3e8 | 2345 | |
463ee0b2 | 2346 | /* There's a lot of redundancy below but we're going for speed here */ |
79072805 | 2347 | |
8990e307 | 2348 | switch (stype) { |
79072805 | 2349 | case SVt_NULL: |
aece5585 | 2350 | undef_sstr: |
20408e3c GS |
2351 | if (dtype != SVt_PVGV) { |
2352 | (void)SvOK_off(dstr); | |
2353 | return; | |
2354 | } | |
2355 | break; | |
463ee0b2 | 2356 | case SVt_IV: |
aece5585 GA |
2357 | if (SvIOK(sstr)) { |
2358 | switch (dtype) { | |
2359 | case SVt_NULL: | |
8990e307 | 2360 | sv_upgrade(dstr, SVt_IV); |
aece5585 GA |
2361 | break; |
2362 | case SVt_NV: | |
8990e307 | 2363 | sv_upgrade(dstr, SVt_PVNV); |
aece5585 GA |
2364 | break; |
2365 | case SVt_RV: | |
2366 | case SVt_PV: | |
a0d0e21e | 2367 | sv_upgrade(dstr, SVt_PVIV); |
aece5585 GA |
2368 | break; |
2369 | } | |
2370 | (void)SvIOK_only(dstr); | |
2371 | SvIVX(dstr) = SvIVX(sstr); | |
25da4f38 IZ |
2372 | if (SvIsUV(sstr)) |
2373 | SvIsUV_on(dstr); | |
aece5585 GA |
2374 | SvTAINT(dstr); |
2375 | return; | |
8990e307 | 2376 | } |
aece5585 GA |
2377 | goto undef_sstr; |
2378 | ||
463ee0b2 | 2379 | case SVt_NV: |
aece5585 GA |
2380 | if (SvNOK(sstr)) { |
2381 | switch (dtype) { | |
2382 | case SVt_NULL: | |
2383 | case SVt_IV: | |
8990e307 | 2384 | sv_upgrade(dstr, SVt_NV); |
aece5585 GA |
2385 | break; |
2386 | case SVt_RV: | |
2387 | case SVt_PV: | |
2388 | case SVt_PVIV: | |
a0d0e21e | 2389 | sv_upgrade(dstr, SVt_PVNV); |
aece5585 GA |
2390 | break; |
2391 | } | |
2392 | SvNVX(dstr) = SvNVX(sstr); | |
2393 | (void)SvNOK_only(dstr); | |
2394 | SvTAINT(dstr); | |
2395 | return; | |
8990e307 | 2396 | } |
aece5585 GA |
2397 | goto undef_sstr; |
2398 | ||
ed6116ce | 2399 | case SVt_RV: |
8990e307 | 2400 | if (dtype < SVt_RV) |
ed6116ce | 2401 | sv_upgrade(dstr, SVt_RV); |
c07a80fd | 2402 | else if (dtype == SVt_PVGV && |
2403 | SvTYPE(SvRV(sstr)) == SVt_PVGV) { | |
2404 | sstr = SvRV(sstr); | |
a5f75d66 | 2405 | if (sstr == dstr) { |
1d7c1841 GS |
2406 | if (GvIMPORTED(dstr) != GVf_IMPORTED |
2407 | && CopSTASH_ne(PL_curcop, GvSTASH(dstr))) | |
2408 | { | |
a5f75d66 | 2409 | GvIMPORTED_on(dstr); |
1d7c1841 | 2410 | } |
a5f75d66 AD |
2411 | GvMULTI_on(dstr); |
2412 | return; | |
2413 | } | |
c07a80fd | 2414 | goto glob_assign; |
2415 | } | |
ed6116ce | 2416 | break; |
463ee0b2 | 2417 | case SVt_PV: |
fc36a67e | 2418 | case SVt_PVFM: |
8990e307 | 2419 | if (dtype < SVt_PV) |
463ee0b2 | 2420 | sv_upgrade(dstr, SVt_PV); |
463ee0b2 LW |
2421 | break; |
2422 | case SVt_PVIV: | |
8990e307 | 2423 | if (dtype < SVt_PVIV) |
463ee0b2 | 2424 | sv_upgrade(dstr, SVt_PVIV); |
463ee0b2 LW |
2425 | break; |
2426 | case SVt_PVNV: | |
8990e307 | 2427 | if (dtype < SVt_PVNV) |
463ee0b2 | 2428 | sv_upgrade(dstr, SVt_PVNV); |
463ee0b2 | 2429 | break; |
4633a7c4 LW |
2430 | case SVt_PVAV: |
2431 | case SVt_PVHV: | |
2432 | case SVt_PVCV: | |
4633a7c4 | 2433 | case SVt_PVIO: |
533c011a | 2434 | if (PL_op) |
cea2e8a9 | 2435 | Perl_croak(aTHX_ "Bizarre copy of %s in %s", sv_reftype(sstr, 0), |
22c35a8c | 2436 | PL_op_name[PL_op->op_type]); |
4633a7c4 | 2437 | else |
cea2e8a9 | 2438 | Perl_croak(aTHX_ "Bizarre copy of %s", sv_reftype(sstr, 0)); |
4633a7c4 LW |
2439 | break; |
2440 | ||
79072805 | 2441 | case SVt_PVGV: |
8990e307 | 2442 | if (dtype <= SVt_PVGV) { |
c07a80fd | 2443 | glob_assign: |
a5f75d66 | 2444 | if (dtype != SVt_PVGV) { |
a0d0e21e LW |
2445 | char *name = GvNAME(sstr); |
2446 | STRLEN len = GvNAMELEN(sstr); | |
463ee0b2 | 2447 | sv_upgrade(dstr, SVt_PVGV); |
a0d0e21e | 2448 | sv_magic(dstr, dstr, '*', name, len); |
85aff577 | 2449 | GvSTASH(dstr) = (HV*)SvREFCNT_inc(GvSTASH(sstr)); |
a0d0e21e LW |
2450 | GvNAME(dstr) = savepvn(name, len); |
2451 | GvNAMELEN(dstr) = len; | |
2452 | SvFAKE_on(dstr); /* can coerce to non-glob */ | |
2453 | } | |
7bac28a0 | 2454 | /* ahem, death to those who redefine active sort subs */ |
3280af22 NIS |
2455 | else if (PL_curstackinfo->si_type == PERLSI_SORT |
2456 | && GvCV(dstr) && PL_sortcop == CvSTART(GvCV(dstr))) | |
cea2e8a9 | 2457 | Perl_croak(aTHX_ "Can't redefine active sort subroutine %s", |
7bac28a0 | 2458 | GvNAME(dstr)); |
a0d0e21e | 2459 | (void)SvOK_off(dstr); |
a5f75d66 | 2460 | GvINTRO_off(dstr); /* one-shot flag */ |
1edc1566 | 2461 | gp_free((GV*)dstr); |
79072805 | 2462 | GvGP(dstr) = gp_ref(GvGP(sstr)); |
8990e307 | 2463 | SvTAINT(dstr); |
1d7c1841 GS |
2464 | if (GvIMPORTED(dstr) != GVf_IMPORTED |
2465 | && CopSTASH_ne(PL_curcop, GvSTASH(dstr))) | |
2466 | { | |
a5f75d66 | 2467 | GvIMPORTED_on(dstr); |
1d7c1841 | 2468 | } |
a5f75d66 | 2469 | GvMULTI_on(dstr); |
79072805 LW |
2470 | return; |
2471 | } | |
2472 | /* FALL THROUGH */ | |
2473 | ||
2474 | default: | |
973f89ab CS |
2475 | if (SvGMAGICAL(sstr)) { |
2476 | mg_get(sstr); | |
2477 | if (SvTYPE(sstr) != stype) { | |
2478 | stype = SvTYPE(sstr); | |
2479 | if (stype == SVt_PVGV && dtype <= SVt_PVGV) | |
2480 | goto glob_assign; | |
2481 | } | |
2482 | } | |
ded42b9f | 2483 | if (stype == SVt_PVLV) |
6fc92669 | 2484 | (void)SvUPGRADE(dstr, SVt_PVNV); |
ded42b9f | 2485 | else |
6fc92669 | 2486 | (void)SvUPGRADE(dstr, stype); |
79072805 LW |
2487 | } |
2488 | ||
8990e307 LW |
2489 | sflags = SvFLAGS(sstr); |
2490 | ||
2491 | if (sflags & SVf_ROK) { | |
2492 | if (dtype >= SVt_PV) { | |
2493 | if (dtype == SVt_PVGV) { | |
2494 | SV *sref = SvREFCNT_inc(SvRV(sstr)); | |
2495 | SV *dref = 0; | |
a5f75d66 | 2496 | int intro = GvINTRO(dstr); |
a0d0e21e LW |
2497 | |
2498 | if (intro) { | |
2499 | GP *gp; | |
1d7c1841 | 2500 | gp_free((GV*)dstr); |
a5f75d66 | 2501 | GvINTRO_off(dstr); /* one-shot flag */ |
a0d0e21e | 2502 | Newz(602,gp, 1, GP); |
44a8e56a | 2503 | GvGP(dstr) = gp_ref(gp); |
a0d0e21e | 2504 | GvSV(dstr) = NEWSV(72,0); |
1d7c1841 | 2505 | GvLINE(dstr) = CopLINE(PL_curcop); |
1edc1566 | 2506 | GvEGV(dstr) = (GV*)dstr; |
a0d0e21e | 2507 | } |
a5f75d66 | 2508 | GvMULTI_on(dstr); |
8990e307 LW |
2509 | switch (SvTYPE(sref)) { |
2510 | case SVt_PVAV: | |
a0d0e21e LW |
2511 | if (intro) |
2512 | SAVESPTR(GvAV(dstr)); | |
2513 | else | |
2514 | dref = (SV*)GvAV(dstr); | |
8990e307 | 2515 | GvAV(dstr) = (AV*)sref; |
1d7c1841 GS |
2516 | if (GvIMPORTED_AV_off(dstr) |
2517 | && CopSTASH_ne(PL_curcop, GvSTASH(dstr))) | |
2518 | { | |
a5f75d66 | 2519 | GvIMPORTED_AV_on(dstr); |
1d7c1841 | 2520 | } |
8990e307 LW |
2521 | break; |
2522 | case SVt_PVHV: | |
a0d0e21e LW |
2523 | if (intro) |
2524 | SAVESPTR(GvHV(dstr)); | |
2525 | else | |
2526 | dref = (SV*)GvHV(dstr); | |
8990e307 | 2527 | GvHV(dstr) = (HV*)sref; |
1d7c1841 GS |
2528 | if (GvIMPORTED_HV_off(dstr) |
2529 | && CopSTASH_ne(PL_curcop, GvSTASH(dstr))) | |
2530 | { | |
a5f75d66 | 2531 | GvIMPORTED_HV_on(dstr); |
1d7c1841 | 2532 | } |
8990e307 LW |
2533 | break; |
2534 | case SVt_PVCV: | |
8ebc5c01 | 2535 | if (intro) { |
2536 | if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) { | |
2537 | SvREFCNT_dec(GvCV(dstr)); | |
2538 | GvCV(dstr) = Nullcv; | |
68dc0745 | 2539 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
3280af22 | 2540 | PL_sub_generation++; |
8ebc5c01 | 2541 | } |
a0d0e21e | 2542 | SAVESPTR(GvCV(dstr)); |
8ebc5c01 | 2543 | } |
68dc0745 | 2544 | else |
2545 | dref = (SV*)GvCV(dstr); | |
2546 | if (GvCV(dstr) != (CV*)sref) { | |
748a9306 | 2547 | CV* cv = GvCV(dstr); |
4633a7c4 | 2548 | if (cv) { |
68dc0745 | 2549 | if (!GvCVGEN((GV*)dstr) && |
2550 | (CvROOT(cv) || CvXSUB(cv))) | |
2551 | { | |
fe5e78ed GS |
2552 | SV *const_sv = cv_const_sv(cv); |
2553 | bool const_changed = TRUE; | |
2554 | if(const_sv) | |
2555 | const_changed = sv_cmp(const_sv, | |
2556 | op_const_sv(CvSTART((CV*)sref), | |
2557 | Nullcv)); | |
7bac28a0 | 2558 | /* ahem, death to those who redefine |
2559 | * active sort subs */ | |
3280af22 NIS |
2560 | if (PL_curstackinfo->si_type == PERLSI_SORT && |
2561 | PL_sortcop == CvSTART(cv)) | |
cea2e8a9 | 2562 | Perl_croak(aTHX_ |
7bac28a0 | 2563 | "Can't redefine active sort subroutine %s", |
2564 | GvENAME((GV*)dstr)); | |
599cee73 | 2565 | if (ckWARN(WARN_REDEFINE) || (const_changed && const_sv)) { |
2f34f9d4 IZ |
2566 | if (!(CvGV(cv) && GvSTASH(CvGV(cv)) |
2567 | && HvNAME(GvSTASH(CvGV(cv))) | |
2568 | && strEQ(HvNAME(GvSTASH(CvGV(cv))), | |
2569 | "autouse"))) | |
cea2e8a9 | 2570 | Perl_warner(aTHX_ WARN_REDEFINE, const_sv ? |
fe5e78ed GS |
2571 | "Constant subroutine %s redefined" |
2572 | : "Subroutine %s redefined", | |
2f34f9d4 IZ |
2573 | GvENAME((GV*)dstr)); |
2574 | } | |
9607fc9c | 2575 | } |
3fe9a6f1 | 2576 | cv_ckproto(cv, (GV*)dstr, |
2577 | SvPOK(sref) ? SvPVX(sref) : Nullch); | |
4633a7c4 | 2578 | } |
a5f75d66 | 2579 | GvCV(dstr) = (CV*)sref; |
7a4c00b4 | 2580 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
a5f75d66 | 2581 | GvASSUMECV_on(dstr); |
3280af22 | 2582 | PL_sub_generation++; |
a5f75d66 | 2583 | } |
1d7c1841 GS |
2584 | if (GvIMPORTED_CV_off(dstr) |
2585 | && CopSTASH_ne(PL_curcop, GvSTASH(dstr))) | |
2586 | { | |
a5f75d66 | 2587 | GvIMPORTED_CV_on(dstr); |
1d7c1841 | 2588 | } |
8990e307 | 2589 | break; |
91bba347 LW |
2590 | case SVt_PVIO: |
2591 | if (intro) | |
2592 | SAVESPTR(GvIOp(dstr)); | |
2593 | else | |
2594 | dref = (SV*)GvIOp(dstr); | |
2595 | GvIOp(dstr) = (IO*)sref; | |
2596 | break; | |
8990e307 | 2597 | default: |
a0d0e21e LW |
2598 | if (intro) |
2599 | SAVESPTR(GvSV(dstr)); | |
2600 | else | |
2601 | dref = (SV*)GvSV(dstr); | |
8990e307 | 2602 | GvSV(dstr) = sref; |
1d7c1841 GS |
2603 | if (GvIMPORTED_SV_off(dstr) |
2604 | && CopSTASH_ne(PL_curcop, GvSTASH(dstr))) | |
2605 | { | |
a5f75d66 | 2606 | GvIMPORTED_SV_on(dstr); |
1d7c1841 | 2607 | } |
8990e307 LW |
2608 | break; |
2609 | } | |
2610 | if (dref) | |
2611 | SvREFCNT_dec(dref); | |
a0d0e21e LW |
2612 | if (intro) |
2613 | SAVEFREESV(sref); | |
8990e307 LW |
2614 | SvTAINT(dstr); |
2615 | return; | |
2616 | } | |
a0d0e21e | 2617 | if (SvPVX(dstr)) { |
760ac839 | 2618 | (void)SvOOK_off(dstr); /* backoff */ |
50483b2c JD |
2619 | if (SvLEN(dstr)) |
2620 | Safefree(SvPVX(dstr)); | |
a0d0e21e LW |
2621 | SvLEN(dstr)=SvCUR(dstr)=0; |
2622 | } | |
8990e307 | 2623 | } |
a0d0e21e | 2624 | (void)SvOK_off(dstr); |
8990e307 | 2625 | SvRV(dstr) = SvREFCNT_inc(SvRV(sstr)); |
ed6116ce | 2626 | SvROK_on(dstr); |
8990e307 | 2627 | if (sflags & SVp_NOK) { |
ed6116ce LW |
2628 | SvNOK_on(dstr); |
2629 | SvNVX(dstr) = SvNVX(sstr); | |
2630 | } | |
8990e307 | 2631 | if (sflags & SVp_IOK) { |
a0d0e21e | 2632 | (void)SvIOK_on(dstr); |
ed6116ce | 2633 | SvIVX(dstr) = SvIVX(sstr); |
25da4f38 IZ |
2634 | if (SvIsUV(sstr)) |
2635 | SvIsUV_on(dstr); | |
ed6116ce | 2636 | } |
a0d0e21e LW |
2637 | if (SvAMAGIC(sstr)) { |
2638 | SvAMAGIC_on(dstr); | |
2639 | } | |
ed6116ce | 2640 | } |
8990e307 | 2641 | else if (sflags & SVp_POK) { |
79072805 LW |
2642 | |
2643 | /* | |
2644 | * Check to see if we can just swipe the string. If so, it's a | |
2645 | * possible small lose on short strings, but a big win on long ones. | |
463ee0b2 LW |
2646 | * It might even be a win on short strings if SvPVX(dstr) |
2647 | * has to be allocated and SvPVX(sstr) has to be freed. | |
79072805 LW |
2648 | */ |
2649 | ||
ff68c719 | 2650 | if (SvTEMP(sstr) && /* slated for free anyway? */ |
01b73108 | 2651 | SvREFCNT(sstr) == 1 && /* and no other references to it? */ |
a5f75d66 AD |
2652 | !(sflags & SVf_OOK)) /* and not involved in OOK hack? */ |
2653 | { | |
adbc6bb1 | 2654 | if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */ |
a5f75d66 AD |
2655 | if (SvOOK(dstr)) { |
2656 | SvFLAGS(dstr) &= ~SVf_OOK; | |
2657 | Safefree(SvPVX(dstr) - SvIVX(dstr)); | |
2658 | } | |
50483b2c | 2659 | else if (SvLEN(dstr)) |
a5f75d66 | 2660 | Safefree(SvPVX(dstr)); |
79072805 | 2661 | } |
a5f75d66 | 2662 | (void)SvPOK_only(dstr); |
463ee0b2 | 2663 | SvPV_set(dstr, SvPVX(sstr)); |
79072805 LW |
2664 | SvLEN_set(dstr, SvLEN(sstr)); |
2665 | SvCUR_set(dstr, SvCUR(sstr)); | |
79072805 | 2666 | SvTEMP_off(dstr); |
a5f75d66 | 2667 | (void)SvOK_off(sstr); |
79072805 LW |
2668 | SvPV_set(sstr, Nullch); |
2669 | SvLEN_set(sstr, 0); | |
a5f75d66 AD |
2670 | SvCUR_set(sstr, 0); |
2671 | SvTEMP_off(sstr); | |
79072805 LW |
2672 | } |
2673 | else { /* have to copy actual string */ | |
8990e307 LW |
2674 | STRLEN len = SvCUR(sstr); |
2675 | ||
2676 | SvGROW(dstr, len + 1); /* inlined from sv_setpvn */ | |
2677 | Move(SvPVX(sstr),SvPVX(dstr),len,char); | |
2678 | SvCUR_set(dstr, len); | |
2679 | *SvEND(dstr) = '\0'; | |
a0d0e21e | 2680 | (void)SvPOK_only(dstr); |
79072805 | 2681 | } |
a7cb1f99 GS |
2682 | if (SvUTF8(sstr)) |
2683 | SvUTF8_on(dstr); | |
79072805 | 2684 | /*SUPPRESS 560*/ |
8990e307 | 2685 | if (sflags & SVp_NOK) { |
79072805 | 2686 | SvNOK_on(dstr); |
463ee0b2 | 2687 | SvNVX(dstr) = SvNVX(sstr); |
79072805 | 2688 | } |
8990e307 | 2689 | if (sflags & SVp_IOK) { |
a0d0e21e | 2690 | (void)SvIOK_on(dstr); |
463ee0b2 | 2691 | SvIVX(dstr) = SvIVX(sstr); |
25da4f38 IZ |
2692 | if (SvIsUV(sstr)) |
2693 | SvIsUV_on(dstr); | |
79072805 LW |
2694 | } |
2695 | } | |
8990e307 | 2696 | else if (sflags & SVp_NOK) { |
463ee0b2 | 2697 | SvNVX(dstr) = SvNVX(sstr); |
a0d0e21e | 2698 | (void)SvNOK_only(dstr); |
79072805 | 2699 | if (SvIOK(sstr)) { |
a0d0e21e | 2700 | (void)SvIOK_on(dstr); |
463ee0b2 | 2701 | SvIVX(dstr) = SvIVX(sstr); |
25da4f38 IZ |
2702 | /* XXXX Do we want to set IsUV for IV(ROK)? Be extra safe... */ |
2703 | if (SvIsUV(sstr)) | |
2704 | SvIsUV_on(dstr); | |
79072805 LW |
2705 | } |
2706 | } | |
8990e307 | 2707 | else if (sflags & SVp_IOK) { |
a0d0e21e | 2708 | (void)SvIOK_only(dstr); |
463ee0b2 | 2709 | SvIVX(dstr) = SvIVX(sstr); |
25da4f38 IZ |
2710 | if (SvIsUV(sstr)) |
2711 | SvIsUV_on(dstr); | |
79072805 LW |
2712 | } |
2713 | else { | |
20408e3c | 2714 | if (dtype == SVt_PVGV) { |
599cee73 | 2715 | if (ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 2716 | Perl_warner(aTHX_ WARN_UNSAFE, "Undefined value assigned to typeglob"); |
20408e3c GS |
2717 | } |
2718 | else | |
2719 | (void)SvOK_off(dstr); | |
a0d0e21e | 2720 | } |
463ee0b2 | 2721 | SvTAINT(dstr); |
79072805 LW |
2722 | } |
2723 | ||
2724 | void | |
864dbfa3 | 2725 | Perl_sv_setsv_mg(pTHX_ SV *dstr, register SV *sstr) |
ef50df4b GS |
2726 | { |
2727 | sv_setsv(dstr,sstr); | |
2728 | SvSETMAGIC(dstr); | |
2729 | } | |
2730 | ||
2731 | void | |
864dbfa3 | 2732 | Perl_sv_setpvn(pTHX_ register SV *sv, register const char *ptr, register STRLEN len) |
79072805 | 2733 | { |
c6f8c383 | 2734 | register char *dptr; |
4561caa4 CS |
2735 | assert(len >= 0); /* STRLEN is probably unsigned, so this may |
2736 | elicit a warning, but it won't hurt. */ | |
2213622d | 2737 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2738 | if (!ptr) { |
a0d0e21e | 2739 | (void)SvOK_off(sv); |
463ee0b2 LW |
2740 | return; |
2741 | } | |
6fc92669 | 2742 | (void)SvUPGRADE(sv, SVt_PV); |
c6f8c383 | 2743 | |
79072805 | 2744 | SvGROW(sv, len + 1); |
c6f8c383 GA |
2745 | dptr = SvPVX(sv); |
2746 | Move(ptr,dptr,len,char); | |
2747 | dptr[len] = '\0'; | |
79072805 | 2748 | SvCUR_set(sv, len); |
a0d0e21e | 2749 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2750 | SvTAINT(sv); |
79072805 LW |
2751 | } |
2752 | ||
2753 | void | |
864dbfa3 | 2754 | Perl_sv_setpvn_mg(pTHX_ register SV *sv, register const char *ptr, register STRLEN len) |
ef50df4b GS |
2755 | { |
2756 | sv_setpvn(sv,ptr,len); | |
2757 | SvSETMAGIC(sv); | |
2758 | } | |
2759 | ||
2760 | void | |
864dbfa3 | 2761 | Perl_sv_setpv(pTHX_ register SV *sv, register const char *ptr) |
79072805 LW |
2762 | { |
2763 | register STRLEN len; | |
2764 | ||
2213622d | 2765 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2766 | if (!ptr) { |
a0d0e21e | 2767 | (void)SvOK_off(sv); |
463ee0b2 LW |
2768 | return; |
2769 | } | |
79072805 | 2770 | len = strlen(ptr); |
6fc92669 | 2771 | (void)SvUPGRADE(sv, SVt_PV); |
c6f8c383 | 2772 | |
79072805 | 2773 | SvGROW(sv, len + 1); |
463ee0b2 | 2774 | Move(ptr,SvPVX(sv),len+1,char); |
79072805 | 2775 | SvCUR_set(sv, len); |
a0d0e21e | 2776 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 LW |
2777 | SvTAINT(sv); |
2778 | } | |
2779 | ||
2780 | void | |
864dbfa3 | 2781 | Perl_sv_setpv_mg(pTHX_ register SV *sv, register const char *ptr) |
ef50df4b GS |
2782 | { |
2783 | sv_setpv(sv,ptr); | |
2784 | SvSETMAGIC(sv); | |
2785 | } | |
2786 | ||
2787 | void | |
864dbfa3 | 2788 | Perl_sv_usepvn(pTHX_ register SV *sv, register char *ptr, register STRLEN len) |
463ee0b2 | 2789 | { |
2213622d | 2790 | SV_CHECK_THINKFIRST(sv); |
c6f8c383 | 2791 | (void)SvUPGRADE(sv, SVt_PV); |
463ee0b2 | 2792 | if (!ptr) { |
a0d0e21e | 2793 | (void)SvOK_off(sv); |
463ee0b2 LW |
2794 | return; |
2795 | } | |
a0ed51b3 | 2796 | (void)SvOOK_off(sv); |
50483b2c | 2797 | if (SvPVX(sv) && SvLEN(sv)) |
463ee0b2 LW |
2798 | Safefree(SvPVX(sv)); |
2799 | Renew(ptr, len+1, char); | |
2800 | SvPVX(sv) = ptr; | |
2801 | SvCUR_set(sv, len); | |
2802 | SvLEN_set(sv, len+1); | |
2803 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2804 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2805 | SvTAINT(sv); |
79072805 LW |
2806 | } |
2807 | ||
ef50df4b | 2808 | void |
864dbfa3 | 2809 | Perl_sv_usepvn_mg(pTHX_ register SV *sv, register char *ptr, register STRLEN len) |
ef50df4b | 2810 | { |
51c1089b | 2811 | sv_usepvn(sv,ptr,len); |
ef50df4b GS |
2812 | SvSETMAGIC(sv); |
2813 | } | |
2814 | ||
6fc92669 | 2815 | void |
864dbfa3 | 2816 | Perl_sv_force_normal(pTHX_ register SV *sv) |
0f15f207 | 2817 | { |
2213622d GA |
2818 | if (SvREADONLY(sv)) { |
2819 | dTHR; | |
3280af22 | 2820 | if (PL_curcop != &PL_compiling) |
cea2e8a9 | 2821 | Perl_croak(aTHX_ PL_no_modify); |
0f15f207 | 2822 | } |
2213622d GA |
2823 | if (SvROK(sv)) |
2824 | sv_unref(sv); | |
6fc92669 GS |
2825 | else if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) |
2826 | sv_unglob(sv); | |
0f15f207 MB |
2827 | } |
2828 | ||
79072805 | 2829 | void |
864dbfa3 | 2830 | Perl_sv_chop(pTHX_ register SV *sv, register char *ptr) /* like set but assuming ptr is in sv */ |
8ac85365 NIS |
2831 | |
2832 | ||
79072805 LW |
2833 | { |
2834 | register STRLEN delta; | |
2835 | ||
a0d0e21e | 2836 | if (!ptr || !SvPOKp(sv)) |
79072805 | 2837 | return; |
2213622d | 2838 | SV_CHECK_THINKFIRST(sv); |
79072805 LW |
2839 | if (SvTYPE(sv) < SVt_PVIV) |
2840 | sv_upgrade(sv,SVt_PVIV); | |
2841 | ||
2842 | if (!SvOOK(sv)) { | |
50483b2c JD |
2843 | if (!SvLEN(sv)) { /* make copy of shared string */ |
2844 | char *pvx = SvPVX(sv); | |
2845 | STRLEN len = SvCUR(sv); | |
2846 | SvGROW(sv, len + 1); | |
2847 | Move(pvx,SvPVX(sv),len,char); | |
2848 | *SvEND(sv) = '\0'; | |
2849 | } | |
463ee0b2 | 2850 | SvIVX(sv) = 0; |
79072805 LW |
2851 | SvFLAGS(sv) |= SVf_OOK; |
2852 | } | |
25da4f38 | 2853 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK|SVf_IVisUV); |
463ee0b2 | 2854 | delta = ptr - SvPVX(sv); |
79072805 LW |
2855 | SvLEN(sv) -= delta; |
2856 | SvCUR(sv) -= delta; | |
463ee0b2 LW |
2857 | SvPVX(sv) += delta; |
2858 | SvIVX(sv) += delta; | |
79072805 LW |
2859 | } |
2860 | ||
2861 | void | |
864dbfa3 | 2862 | Perl_sv_catpvn(pTHX_ register SV *sv, register const char *ptr, register STRLEN len) |
79072805 | 2863 | { |
463ee0b2 | 2864 | STRLEN tlen; |
748a9306 | 2865 | char *junk; |
a0d0e21e | 2866 | |
748a9306 | 2867 | junk = SvPV_force(sv, tlen); |
463ee0b2 | 2868 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2869 | if (ptr == junk) |
2870 | ptr = SvPVX(sv); | |
463ee0b2 | 2871 | Move(ptr,SvPVX(sv)+tlen,len,char); |
79072805 LW |
2872 | SvCUR(sv) += len; |
2873 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2874 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2875 | SvTAINT(sv); |
79072805 LW |
2876 | } |
2877 | ||
2878 | void | |
864dbfa3 | 2879 | Perl_sv_catpvn_mg(pTHX_ register SV *sv, register const char *ptr, register STRLEN len) |
ef50df4b GS |
2880 | { |
2881 | sv_catpvn(sv,ptr,len); | |
2882 | SvSETMAGIC(sv); | |
2883 | } | |
2884 | ||
2885 | void | |
864dbfa3 | 2886 | Perl_sv_catsv(pTHX_ SV *dstr, register SV *sstr) |
79072805 LW |
2887 | { |
2888 | char *s; | |
463ee0b2 | 2889 | STRLEN len; |
79072805 LW |
2890 | if (!sstr) |
2891 | return; | |
463ee0b2 LW |
2892 | if (s = SvPV(sstr, len)) |
2893 | sv_catpvn(dstr,s,len); | |
79072805 LW |
2894 | } |
2895 | ||
2896 | void | |
864dbfa3 | 2897 | Perl_sv_catsv_mg(pTHX_ SV *dstr, register SV *sstr) |
ef50df4b GS |
2898 | { |
2899 | sv_catsv(dstr,sstr); | |
2900 | SvSETMAGIC(dstr); | |
2901 | } | |
2902 | ||
2903 | void | |
864dbfa3 | 2904 | Perl_sv_catpv(pTHX_ register SV *sv, register const char *ptr) |
79072805 LW |
2905 | { |
2906 | register STRLEN len; | |
463ee0b2 | 2907 | STRLEN tlen; |
748a9306 | 2908 | char *junk; |
79072805 | 2909 | |
79072805 LW |
2910 | if (!ptr) |
2911 | return; | |
748a9306 | 2912 | junk = SvPV_force(sv, tlen); |
79072805 | 2913 | len = strlen(ptr); |
463ee0b2 | 2914 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2915 | if (ptr == junk) |
2916 | ptr = SvPVX(sv); | |
463ee0b2 | 2917 | Move(ptr,SvPVX(sv)+tlen,len+1,char); |
79072805 | 2918 | SvCUR(sv) += len; |
a0d0e21e | 2919 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2920 | SvTAINT(sv); |
79072805 LW |
2921 | } |
2922 | ||
ef50df4b | 2923 | void |
864dbfa3 | 2924 | Perl_sv_catpv_mg(pTHX_ register SV *sv, register const char *ptr) |
ef50df4b | 2925 | { |
51c1089b | 2926 | sv_catpv(sv,ptr); |
ef50df4b GS |
2927 | SvSETMAGIC(sv); |
2928 | } | |
2929 | ||
79072805 | 2930 | SV * |
864dbfa3 | 2931 | Perl_newSV(pTHX_ STRLEN len) |
79072805 LW |
2932 | { |
2933 | register SV *sv; | |
2934 | ||
4561caa4 | 2935 | new_SV(sv); |
79072805 LW |
2936 | if (len) { |
2937 | sv_upgrade(sv, SVt_PV); | |
2938 | SvGROW(sv, len + 1); | |
2939 | } | |
2940 | return sv; | |
2941 | } | |
2942 | ||
1edc1566 | 2943 | /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */ |
2944 | ||
79072805 | 2945 | void |
864dbfa3 | 2946 | Perl_sv_magic(pTHX_ register SV *sv, SV *obj, int how, const char *name, I32 namlen) |
79072805 LW |
2947 | { |
2948 | MAGIC* mg; | |
2949 | ||
0f15f207 MB |
2950 | if (SvREADONLY(sv)) { |
2951 | dTHR; | |
3280af22 | 2952 | if (PL_curcop != &PL_compiling && !strchr("gBf", how)) |
cea2e8a9 | 2953 | Perl_croak(aTHX_ PL_no_modify); |
0f15f207 | 2954 | } |
4633a7c4 | 2955 | if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) { |
748a9306 LW |
2956 | if (SvMAGIC(sv) && (mg = mg_find(sv, how))) { |
2957 | if (how == 't') | |
565764a8 | 2958 | mg->mg_len |= 1; |
463ee0b2 | 2959 | return; |
748a9306 | 2960 | } |
463ee0b2 LW |
2961 | } |
2962 | else { | |
c6f8c383 | 2963 | (void)SvUPGRADE(sv, SVt_PVMG); |
463ee0b2 | 2964 | } |
79072805 LW |
2965 | Newz(702,mg, 1, MAGIC); |
2966 | mg->mg_moremagic = SvMAGIC(sv); | |
463ee0b2 | 2967 | |
79072805 | 2968 | SvMAGIC(sv) = mg; |
c277df42 | 2969 | if (!obj || obj == sv || how == '#' || how == 'r') |
8990e307 | 2970 | mg->mg_obj = obj; |
85e6fe83 | 2971 | else { |
11343788 | 2972 | dTHR; |
8990e307 | 2973 | mg->mg_obj = SvREFCNT_inc(obj); |
85e6fe83 LW |
2974 | mg->mg_flags |= MGf_REFCOUNTED; |
2975 | } | |
79072805 | 2976 | mg->mg_type = how; |
565764a8 | 2977 | mg->mg_len = namlen; |
1edc1566 | 2978 | if (name) |
2979 | if (namlen >= 0) | |
2980 | mg->mg_ptr = savepvn(name, namlen); | |
c6ee37c5 | 2981 | else if (namlen == HEf_SVKEY) |
1edc1566 | 2982 | mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name); |
2983 | ||
79072805 LW |
2984 | switch (how) { |
2985 | case 0: | |
22c35a8c | 2986 | mg->mg_virtual = &PL_vtbl_sv; |
79072805 | 2987 | break; |
a0d0e21e | 2988 | case 'A': |
22c35a8c | 2989 | mg->mg_virtual = &PL_vtbl_amagic; |
a0d0e21e LW |
2990 | break; |
2991 | case 'a': | |
22c35a8c | 2992 | mg->mg_virtual = &PL_vtbl_amagicelem; |
a0d0e21e LW |
2993 | break; |
2994 | case 'c': | |
2995 | mg->mg_virtual = 0; | |
2996 | break; | |
79072805 | 2997 | case 'B': |
22c35a8c | 2998 | mg->mg_virtual = &PL_vtbl_bm; |
79072805 | 2999 | break; |
6cef1e77 | 3000 | case 'D': |
22c35a8c | 3001 | mg->mg_virtual = &PL_vtbl_regdata; |
6cef1e77 IZ |
3002 | break; |
3003 | case 'd': | |
22c35a8c | 3004 | mg->mg_virtual = &PL_vtbl_regdatum; |
6cef1e77 | 3005 | break; |
79072805 | 3006 | case 'E': |
22c35a8c | 3007 | mg->mg_virtual = &PL_vtbl_env; |
79072805 | 3008 | break; |
55497cff | 3009 | case 'f': |
22c35a8c | 3010 | mg->mg_virtual = &PL_vtbl_fm; |
55497cff | 3011 | break; |
79072805 | 3012 | case 'e': |
22c35a8c | 3013 | mg->mg_virtual = &PL_vtbl_envelem; |
79072805 | 3014 | break; |
93a17b20 | 3015 | case 'g': |
22c35a8c | 3016 | mg->mg_virtual = &PL_vtbl_mglob; |
93a17b20 | 3017 | break; |
463ee0b2 | 3018 | case 'I': |
22c35a8c | 3019 | mg->mg_virtual = &PL_vtbl_isa; |
463ee0b2 LW |
3020 | break; |
3021 | case 'i': | |
22c35a8c | 3022 | mg->mg_virtual = &PL_vtbl_isaelem; |
463ee0b2 | 3023 | break; |
16660edb | 3024 | case 'k': |
22c35a8c | 3025 | mg->mg_virtual = &PL_vtbl_nkeys; |
16660edb | 3026 | break; |
79072805 | 3027 | case 'L': |
a0d0e21e | 3028 | SvRMAGICAL_on(sv); |
93a17b20 LW |
3029 | mg->mg_virtual = 0; |
3030 | break; | |
3031 | case 'l': | |
22c35a8c | 3032 | mg->mg_virtual = &PL_vtbl_dbline; |
79072805 | 3033 | break; |
f93b4edd MB |
3034 | #ifdef USE_THREADS |
3035 | case 'm': | |
22c35a8c | 3036 | mg->mg_virtual = &PL_vtbl_mutex; |
f93b4edd MB |
3037 | break; |
3038 | #endif /* USE_THREADS */ | |
36477c24 | 3039 | #ifdef USE_LOCALE_COLLATE |
bbce6d69 | 3040 | case 'o': |
22c35a8c | 3041 | mg->mg_virtual = &PL_vtbl_collxfrm; |
bbce6d69 | 3042 | break; |
36477c24 | 3043 | #endif /* USE_LOCALE_COLLATE */ |
463ee0b2 | 3044 | case 'P': |
22c35a8c | 3045 | mg->mg_virtual = &PL_vtbl_pack; |
463ee0b2 LW |
3046 | break; |
3047 | case 'p': | |
a0d0e21e | 3048 | case 'q': |
22c35a8c | 3049 | mg->mg_virtual = &PL_vtbl_packelem; |
463ee0b2 | 3050 | break; |
c277df42 | 3051 | case 'r': |
22c35a8c | 3052 | mg->mg_virtual = &PL_vtbl_regexp; |
c277df42 | 3053 | break; |
79072805 | 3054 | case 'S': |
22c35a8c | 3055 | mg->mg_virtual = &PL_vtbl_sig; |
79072805 LW |
3056 | break; |
3057 | case 's': | |
22c35a8c | 3058 | mg->mg_virtual = &PL_vtbl_sigelem; |
79072805 | 3059 | break; |
463ee0b2 | 3060 | case 't': |
22c35a8c | 3061 | mg->mg_virtual = &PL_vtbl_taint; |
565764a8 | 3062 | mg->mg_len = 1; |
463ee0b2 | 3063 | break; |
79072805 | 3064 | case 'U': |
22c35a8c | 3065 | mg->mg_virtual = &PL_vtbl_uvar; |
79072805 LW |
3066 | break; |
3067 | case 'v': | |
22c35a8c | 3068 | mg->mg_virtual = &PL_vtbl_vec; |
79072805 LW |
3069 | break; |
3070 | case 'x': | |
22c35a8c | 3071 | mg->mg_virtual = &PL_vtbl_substr; |
79072805 | 3072 | break; |
5f05dabc | 3073 | case 'y': |
22c35a8c | 3074 | mg->mg_virtual = &PL_vtbl_defelem; |
5f05dabc | 3075 | break; |
79072805 | 3076 | case '*': |
22c35a8c | 3077 | mg->mg_virtual = &PL_vtbl_glob; |
79072805 LW |
3078 | break; |
3079 | case '#': | |
22c35a8c | 3080 | mg->mg_virtual = &PL_vtbl_arylen; |
79072805 | 3081 | break; |
a0d0e21e | 3082 | case '.': |
22c35a8c | 3083 | mg->mg_virtual = &PL_vtbl_pos; |
a0d0e21e | 3084 | break; |
810b8aa5 GS |
3085 | case '<': |
3086 | mg->mg_virtual = &PL_vtbl_backref; | |
3087 | break; | |
4633a7c4 LW |
3088 | case '~': /* Reserved for use by extensions not perl internals. */ |
3089 | /* Useful for attaching extension internal data to perl vars. */ | |
3090 | /* Note that multiple extensions may clash if magical scalars */ | |
3091 | /* etc holding private data from one are passed to another. */ | |
3092 | SvRMAGICAL_on(sv); | |
a0d0e21e | 3093 | break; |
79072805 | 3094 | default: |
cea2e8a9 | 3095 | Perl_croak(aTHX_ "Don't know how to handle magic of type '%c'", how); |
463ee0b2 | 3096 | } |
8990e307 LW |
3097 | mg_magical(sv); |
3098 | if (SvGMAGICAL(sv)) | |
3099 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
463ee0b2 LW |
3100 | } |
3101 | ||
3102 | int | |
864dbfa3 | 3103 | Perl_sv_unmagic(pTHX_ SV *sv, int type) |
463ee0b2 LW |
3104 | { |
3105 | MAGIC* mg; | |
3106 | MAGIC** mgp; | |
91bba347 | 3107 | if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv)) |
463ee0b2 LW |
3108 | return 0; |
3109 | mgp = &SvMAGIC(sv); | |
3110 | for (mg = *mgp; mg; mg = *mgp) { | |
3111 | if (mg->mg_type == type) { | |
3112 | MGVTBL* vtbl = mg->mg_virtual; | |
3113 | *mgp = mg->mg_moremagic; | |
1d7c1841 | 3114 | if (vtbl && vtbl->svt_free) |
fc0dc3b3 | 3115 | CALL_FPTR(vtbl->svt_free)(aTHX_ sv, mg); |
463ee0b2 | 3116 | if (mg->mg_ptr && mg->mg_type != 'g') |
565764a8 | 3117 | if (mg->mg_len >= 0) |
1edc1566 | 3118 | Safefree(mg->mg_ptr); |
565764a8 | 3119 | else if (mg->mg_len == HEf_SVKEY) |
1edc1566 | 3120 | SvREFCNT_dec((SV*)mg->mg_ptr); |
a0d0e21e LW |
3121 | if (mg->mg_flags & MGf_REFCOUNTED) |
3122 | SvREFCNT_dec(mg->mg_obj); | |
463ee0b2 LW |
3123 | Safefree(mg); |
3124 | } | |
3125 | else | |
3126 | mgp = &mg->mg_moremagic; | |
79072805 | 3127 | } |
91bba347 | 3128 | if (!SvMAGIC(sv)) { |
463ee0b2 | 3129 | SvMAGICAL_off(sv); |
8990e307 | 3130 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 LW |
3131 | } |
3132 | ||
3133 | return 0; | |
79072805 LW |
3134 | } |
3135 | ||
810b8aa5 | 3136 | SV * |
864dbfa3 | 3137 | Perl_sv_rvweaken(pTHX_ SV *sv) |
810b8aa5 GS |
3138 | { |
3139 | SV *tsv; | |
3140 | if (!SvOK(sv)) /* let undefs pass */ | |
3141 | return sv; | |
3142 | if (!SvROK(sv)) | |
cea2e8a9 | 3143 | Perl_croak(aTHX_ "Can't weaken a nonreference"); |
810b8aa5 GS |
3144 | else if (SvWEAKREF(sv)) { |
3145 | dTHR; | |
3146 | if (ckWARN(WARN_MISC)) | |
cea2e8a9 | 3147 | Perl_warner(aTHX_ WARN_MISC, "Reference is already weak"); |
810b8aa5 GS |
3148 | return sv; |
3149 | } | |
3150 | tsv = SvRV(sv); | |
3151 | sv_add_backref(tsv, sv); | |
3152 | SvWEAKREF_on(sv); | |
3153 | SvREFCNT_dec(tsv); | |
3154 | return sv; | |
3155 | } | |
3156 | ||
3157 | STATIC void | |
cea2e8a9 | 3158 | S_sv_add_backref(pTHX_ SV *tsv, SV *sv) |
810b8aa5 GS |
3159 | { |
3160 | AV *av; | |
3161 | MAGIC *mg; | |
3162 | if (SvMAGICAL(tsv) && (mg = mg_find(tsv, '<'))) | |
3163 | av = (AV*)mg->mg_obj; | |
3164 | else { | |
3165 | av = newAV(); | |
3166 | sv_magic(tsv, (SV*)av, '<', NULL, 0); | |
3167 | SvREFCNT_dec(av); /* for sv_magic */ | |
3168 | } | |
3169 | av_push(av,sv); | |
3170 | } | |
3171 | ||
3172 | STATIC void | |
cea2e8a9 | 3173 | S_sv_del_backref(pTHX_ SV *sv) |
810b8aa5 GS |
3174 | { |
3175 | AV *av; | |
3176 | SV **svp; | |
3177 | I32 i; | |
3178 | SV *tsv = SvRV(sv); | |
3179 | MAGIC *mg; | |
3180 | if (!SvMAGICAL(tsv) || !(mg = mg_find(tsv, '<'))) | |
cea2e8a9 | 3181 | Perl_croak(aTHX_ "panic: del_backref"); |
810b8aa5 GS |
3182 | av = (AV *)mg->mg_obj; |
3183 | svp = AvARRAY(av); | |
3184 | i = AvFILLp(av); | |
3185 | while (i >= 0) { | |
3186 | if (svp[i] == sv) { | |
3187 | svp[i] = &PL_sv_undef; /* XXX */ | |
3188 | } | |
3189 | i--; | |
3190 | } | |
3191 | } | |
3192 | ||
79072805 | 3193 | void |
864dbfa3 | 3194 | Perl_sv_insert(pTHX_ SV *bigstr, STRLEN offset, STRLEN len, char *little, STRLEN littlelen) |
79072805 LW |
3195 | { |
3196 | register char *big; | |
3197 | register char *mid; | |
3198 | register char *midend; | |
3199 | register char *bigend; | |
3200 | register I32 i; | |
6ff81951 GS |
3201 | STRLEN curlen; |
3202 | ||
79072805 | 3203 | |
8990e307 | 3204 | if (!bigstr) |
cea2e8a9 | 3205 | Perl_croak(aTHX_ "Can't modify non-existent substring"); |
6ff81951 GS |
3206 | SvPV_force(bigstr, curlen); |
3207 | if (offset + len > curlen) { | |
3208 | SvGROW(bigstr, offset+len+1); | |
3209 | Zero(SvPVX(bigstr)+curlen, offset+len-curlen, char); | |
3210 | SvCUR_set(bigstr, offset+len); | |
3211 | } | |
79072805 | 3212 | |
69b47968 | 3213 | SvTAINT(bigstr); |
79072805 LW |
3214 | i = littlelen - len; |
3215 | if (i > 0) { /* string might grow */ | |
a0d0e21e | 3216 | big = SvGROW(bigstr, SvCUR(bigstr) + i + 1); |
79072805 LW |
3217 | mid = big + offset + len; |
3218 | midend = bigend = big + SvCUR(bigstr); | |
3219 | bigend += i; | |
3220 | *bigend = '\0'; | |
3221 | while (midend > mid) /* shove everything down */ | |
3222 | *--bigend = *--midend; | |
3223 | Move(little,big+offset,littlelen,char); | |
3224 | SvCUR(bigstr) += i; | |
3225 | SvSETMAGIC(bigstr); | |
3226 | return; | |
3227 | } | |
3228 | else if (i == 0) { | |
463ee0b2 | 3229 | Move(little,SvPVX(bigstr)+offset,len,char); |
79072805 LW |
3230 | SvSETMAGIC(bigstr); |
3231 | return; | |
3232 | } | |
3233 | ||
463ee0b2 | 3234 | big = SvPVX(bigstr); |
79072805 LW |
3235 | mid = big + offset; |
3236 | midend = mid + len; | |
3237 | bigend = big + SvCUR(bigstr); | |
3238 | ||
3239 | if (midend > bigend) | |
cea2e8a9 | 3240 | Perl_croak(aTHX_ "panic: sv_insert"); |
79072805 LW |
3241 | |
3242 | if (mid - big > bigend - midend) { /* faster to shorten from end */ | |
3243 | if (littlelen) { | |
3244 | Move(little, mid, littlelen,char); | |
3245 | mid += littlelen; | |
3246 | } | |
3247 | i = bigend - midend; | |
3248 | if (i > 0) { | |
3249 | Move(midend, mid, i,char); | |
3250 | mid += i; | |
3251 | } | |
3252 | *mid = '\0'; | |
3253 | SvCUR_set(bigstr, mid - big); | |
3254 | } | |
3255 | /*SUPPRESS 560*/ | |
3256 | else if (i = mid - big) { /* faster from front */ | |
3257 | midend -= littlelen; | |
3258 | mid = midend; | |
3259 | sv_chop(bigstr,midend-i); | |
3260 | big += i; | |
3261 | while (i--) | |
3262 | *--midend = *--big; | |
3263 | if (littlelen) | |
3264 | Move(little, mid, littlelen,char); | |
3265 | } | |
3266 | else if (littlelen) { | |
3267 | midend -= littlelen; | |
3268 | sv_chop(bigstr,midend); | |
3269 | Move(little,midend,littlelen,char); | |
3270 | } | |
3271 | else { | |
3272 | sv_chop(bigstr,midend); | |
3273 | } | |
3274 | SvSETMAGIC(bigstr); | |
3275 | } | |
3276 | ||
3277 | /* make sv point to what nstr did */ | |
3278 | ||
3279 | void | |
864dbfa3 | 3280 | Perl_sv_replace(pTHX_ register SV *sv, register SV *nsv) |
79072805 | 3281 | { |
0453d815 | 3282 | dTHR; |
79072805 | 3283 | U32 refcnt = SvREFCNT(sv); |
2213622d | 3284 | SV_CHECK_THINKFIRST(sv); |
0453d815 PM |
3285 | if (SvREFCNT(nsv) != 1 && ckWARN_d(WARN_INTERNAL)) |
3286 | Perl_warner(aTHX_ WARN_INTERNAL, "Reference miscount in sv_replace()"); | |
93a17b20 | 3287 | if (SvMAGICAL(sv)) { |
a0d0e21e LW |
3288 | if (SvMAGICAL(nsv)) |
3289 | mg_free(nsv); | |
3290 | else | |
3291 | sv_upgrade(nsv, SVt_PVMG); | |
93a17b20 | 3292 | SvMAGIC(nsv) = SvMAGIC(sv); |
a0d0e21e | 3293 | SvFLAGS(nsv) |= SvMAGICAL(sv); |
93a17b20 LW |
3294 | SvMAGICAL_off(sv); |
3295 | SvMAGIC(sv) = 0; | |
3296 | } | |
79072805 LW |
3297 | SvREFCNT(sv) = 0; |
3298 | sv_clear(sv); | |
477f5d66 | 3299 | assert(!SvREFCNT(sv)); |
79072805 LW |
3300 | StructCopy(nsv,sv,SV); |
3301 | SvREFCNT(sv) = refcnt; | |
1edc1566 | 3302 | SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */ |
463ee0b2 | 3303 | del_SV(nsv); |
79072805 LW |
3304 | } |
3305 | ||
3306 | void | |
864dbfa3 | 3307 | Perl_sv_clear(pTHX_ register SV *sv) |
79072805 | 3308 | { |
ec12f114 | 3309 | HV* stash; |
79072805 LW |
3310 | assert(sv); |
3311 | assert(SvREFCNT(sv) == 0); | |
3312 | ||
ed6116ce | 3313 | if (SvOBJECT(sv)) { |
e858de61 | 3314 | dTHR; |
3280af22 | 3315 | if (PL_defstash) { /* Still have a symbol table? */ |
4e35701f | 3316 | djSP; |
8ebc5c01 | 3317 | GV* destructor; |
837485b6 | 3318 | SV tmpref; |
a0d0e21e | 3319 | |
837485b6 GS |
3320 | Zero(&tmpref, 1, SV); |
3321 | sv_upgrade(&tmpref, SVt_RV); | |
3322 | SvROK_on(&tmpref); | |
3323 | SvREADONLY_on(&tmpref); /* DESTROY() could be naughty */ | |
3324 | SvREFCNT(&tmpref) = 1; | |
8ebc5c01 | 3325 | |
4e8e7886 GS |
3326 | do { |
3327 | stash = SvSTASH(sv); | |
3328 | destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); | |
3329 | if (destructor) { | |
3330 | ENTER; | |
e788e7d3 | 3331 | PUSHSTACKi(PERLSI_DESTROY); |
837485b6 | 3332 | SvRV(&tmpref) = SvREFCNT_inc(sv); |
4e8e7886 GS |
3333 | EXTEND(SP, 2); |
3334 | PUSHMARK(SP); | |
837485b6 | 3335 | PUSHs(&tmpref); |
4e8e7886 | 3336 | PUTBACK; |
864dbfa3 GS |
3337 | call_sv((SV*)GvCV(destructor), |
3338 | G_DISCARD|G_EVAL|G_KEEPERR); | |
4e8e7886 | 3339 | SvREFCNT(sv)--; |
d3acc0f7 | 3340 | POPSTACK; |
3095d977 | 3341 | SPAGAIN; |
4e8e7886 GS |
3342 | LEAVE; |
3343 | } | |
3344 | } while (SvOBJECT(sv) && SvSTASH(sv) != stash); | |
8ebc5c01 | 3345 | |
837485b6 | 3346 | del_XRV(SvANY(&tmpref)); |
6f44e0a4 JP |
3347 | |
3348 | if (SvREFCNT(sv)) { | |
3349 | if (PL_in_clean_objs) | |
cea2e8a9 | 3350 | Perl_croak(aTHX_ "DESTROY created new reference to dead object '%s'", |
6f44e0a4 JP |
3351 | HvNAME(stash)); |
3352 | /* DESTROY gave object new lease on life */ | |
3353 | return; | |
3354 | } | |
a0d0e21e | 3355 | } |
4e8e7886 | 3356 | |
a0d0e21e | 3357 | if (SvOBJECT(sv)) { |
4e8e7886 | 3358 | SvREFCNT_dec(SvSTASH(sv)); /* possibly of changed persuasion */ |
a0d0e21e LW |
3359 | SvOBJECT_off(sv); /* Curse the object. */ |
3360 | if (SvTYPE(sv) != SVt_PVIO) | |
3280af22 | 3361 | --PL_sv_objcount; /* XXX Might want something more general */ |
a0d0e21e | 3362 | } |
463ee0b2 | 3363 | } |
c07a80fd | 3364 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) |
a0d0e21e | 3365 | mg_free(sv); |
ec12f114 | 3366 | stash = NULL; |
79072805 | 3367 | switch (SvTYPE(sv)) { |
8990e307 | 3368 | case SVt_PVIO: |
df0bd2f4 GS |
3369 | if (IoIFP(sv) && |
3370 | IoIFP(sv) != PerlIO_stdin() && | |
5f05dabc | 3371 | IoIFP(sv) != PerlIO_stdout() && |
3372 | IoIFP(sv) != PerlIO_stderr()) | |
93578b34 | 3373 | { |
f2b5be74 | 3374 | io_close((IO*)sv, FALSE); |
93578b34 | 3375 | } |
1d7c1841 | 3376 | if (IoDIRP(sv) && !(IoFLAGS(sv) & IOf_FAKE_DIRP)) |
1236053a | 3377 | PerlDir_close(IoDIRP(sv)); |
1d7c1841 | 3378 | IoDIRP(sv) = (DIR*)NULL; |
8990e307 LW |
3379 | Safefree(IoTOP_NAME(sv)); |
3380 | Safefree(IoFMT_NAME(sv)); | |
3381 | Safefree(IoBOTTOM_NAME(sv)); | |
a0d0e21e | 3382 | /* FALL THROUGH */ |
79072805 | 3383 | case SVt_PVBM: |
a0d0e21e | 3384 | goto freescalar; |
79072805 | 3385 | case SVt_PVCV: |
748a9306 | 3386 | case SVt_PVFM: |
85e6fe83 | 3387 | cv_undef((CV*)sv); |
a0d0e21e | 3388 | goto freescalar; |
79072805 | 3389 | case SVt_PVHV: |
85e6fe83 | 3390 | hv_undef((HV*)sv); |
a0d0e21e | 3391 | break; |
79072805 | 3392 | case SVt_PVAV: |
85e6fe83 | 3393 | av_undef((AV*)sv); |
a0d0e21e | 3394 | break; |
02270b4e GS |
3395 | case SVt_PVLV: |
3396 | SvREFCNT_dec(LvTARG(sv)); | |
3397 | goto freescalar; | |
a0d0e21e | 3398 | case SVt_PVGV: |
1edc1566 | 3399 | gp_free((GV*)sv); |
a0d0e21e | 3400 | Safefree(GvNAME(sv)); |
ec12f114 JPC |
3401 | /* cannot decrease stash refcount yet, as we might recursively delete |
3402 | ourselves when the refcnt drops to zero. Delay SvREFCNT_dec | |
3403 | of stash until current sv is completely gone. | |
3404 | -- JohnPC, 27 Mar 1998 */ | |
3405 | stash = GvSTASH(sv); | |
a0d0e21e | 3406 | /* FALL THROUGH */ |
79072805 | 3407 | case SVt_PVMG: |
79072805 LW |
3408 | case SVt_PVNV: |
3409 | case SVt_PVIV: | |
a0d0e21e LW |
3410 | freescalar: |
3411 | (void)SvOOK_off(sv); | |
79072805 LW |
3412 | /* FALL THROUGH */ |
3413 | case SVt_PV: | |
a0d0e21e | 3414 | case SVt_RV: |
810b8aa5 GS |
3415 | if (SvROK(sv)) { |
3416 | if (SvWEAKREF(sv)) | |
3417 | sv_del_backref(sv); | |
3418 | else | |
3419 | SvREFCNT_dec(SvRV(sv)); | |
3420 | } | |
1edc1566 | 3421 | else if (SvPVX(sv) && SvLEN(sv)) |
463ee0b2 | 3422 | Safefree(SvPVX(sv)); |
79072805 | 3423 | break; |
a0d0e21e | 3424 | /* |
79072805 | 3425 | case SVt_NV: |
79072805 | 3426 | case SVt_IV: |
79072805 LW |
3427 | case SVt_NULL: |
3428 | break; | |
a0d0e21e | 3429 | */ |
79072805 LW |
3430 | } |
3431 | ||
3432 | switch (SvTYPE(sv)) { | |
3433 | case SVt_NULL: | |
3434 | break; | |
79072805 LW |
3435 | case SVt_IV: |
3436 | del_XIV(SvANY(sv)); | |
3437 | break; | |
3438 | case SVt_NV: | |
3439 | del_XNV(SvANY(sv)); | |
3440 | break; | |
ed6116ce LW |
3441 | case SVt_RV: |
3442 | del_XRV(SvANY(sv)); | |
3443 | break; | |
79072805 LW |
3444 | case SVt_PV: |
3445 | del_XPV(SvANY(sv)); | |
3446 | break; | |
3447 | case SVt_PVIV: | |
3448 | del_XPVIV(SvANY(sv)); | |
3449 | break; | |
3450 | case SVt_PVNV: | |
3451 | del_XPVNV(SvANY(sv)); | |
3452 | break; | |
3453 | case SVt_PVMG: | |
3454 | del_XPVMG(SvANY(sv)); | |
3455 | break; | |
3456 | case SVt_PVLV: | |
3457 | del_XPVLV(SvANY(sv)); | |
3458 | break; | |
3459 | case SVt_PVAV: | |
3460 | del_XPVAV(SvANY(sv)); | |
3461 | break; | |
3462 | case SVt_PVHV: | |
3463 | del_XPVHV(SvANY(sv)); | |
3464 | break; | |
3465 | case SVt_PVCV: | |
3466 | del_XPVCV(SvANY(sv)); | |
3467 | break; | |
3468 | case SVt_PVGV: | |
3469 | del_XPVGV(SvANY(sv)); | |
ec12f114 JPC |
3470 | /* code duplication for increased performance. */ |
3471 | SvFLAGS(sv) &= SVf_BREAK; | |
3472 | SvFLAGS(sv) |= SVTYPEMASK; | |
3473 | /* decrease refcount of the stash that owns this GV, if any */ | |
3474 | if (stash) | |
3475 | SvREFCNT_dec(stash); | |
3476 | return; /* not break, SvFLAGS reset already happened */ | |
79072805 LW |
3477 | case SVt_PVBM: |
3478 | del_XPVBM(SvANY(sv)); | |
3479 | break; | |
3480 | case SVt_PVFM: | |
3481 | del_XPVFM(SvANY(sv)); | |
3482 | break; | |
8990e307 LW |
3483 | case SVt_PVIO: |
3484 | del_XPVIO(SvANY(sv)); | |
3485 | break; | |
79072805 | 3486 | } |
a0d0e21e | 3487 | SvFLAGS(sv) &= SVf_BREAK; |
8990e307 | 3488 | SvFLAGS(sv) |= SVTYPEMASK; |
79072805 LW |
3489 | } |
3490 | ||
3491 | SV * | |
864dbfa3 | 3492 | Perl_sv_newref(pTHX_ SV *sv) |
79072805 | 3493 | { |
463ee0b2 | 3494 | if (sv) |
dce16143 | 3495 | ATOMIC_INC(SvREFCNT(sv)); |
79072805 LW |
3496 | return sv; |
3497 | } | |
3498 | ||
3499 | void | |
864dbfa3 | 3500 | Perl_sv_free(pTHX_ SV *sv) |
79072805 | 3501 | { |
0453d815 | 3502 | dTHR; |
dce16143 MB |
3503 | int refcount_is_zero; |
3504 | ||
79072805 LW |
3505 | if (!sv) |
3506 | return; | |
a0d0e21e LW |
3507 | if (SvREFCNT(sv) == 0) { |
3508 | if (SvFLAGS(sv) & SVf_BREAK) | |
3509 | return; | |
3280af22 | 3510 | if (PL_in_clean_all) /* All is fair */ |
1edc1566 | 3511 | return; |
d689ffdd JP |
3512 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) { |
3513 | /* make sure SvREFCNT(sv)==0 happens very seldom */ | |
3514 | SvREFCNT(sv) = (~(U32)0)/2; | |
3515 | return; | |
3516 | } | |
0453d815 PM |
3517 | if (ckWARN_d(WARN_INTERNAL)) |
3518 | Perl_warner(aTHX_ WARN_INTERNAL, "Attempt to free unreferenced scalar"); | |
79072805 LW |
3519 | return; |
3520 | } | |
dce16143 MB |
3521 | ATOMIC_DEC_AND_TEST(refcount_is_zero, SvREFCNT(sv)); |
3522 | if (!refcount_is_zero) | |
8990e307 | 3523 | return; |
463ee0b2 LW |
3524 | #ifdef DEBUGGING |
3525 | if (SvTEMP(sv)) { | |
0453d815 | 3526 | if (ckWARN_d(WARN_DEBUGGING)) |
f248d071 | 3527 | Perl_warner(aTHX_ WARN_DEBUGGING, |
1d7c1841 GS |
3528 | "Attempt to free temp prematurely: SV 0x%"UVxf, |
3529 | PTR2UV(sv)); | |
79072805 | 3530 | return; |
79072805 | 3531 | } |
463ee0b2 | 3532 | #endif |
d689ffdd JP |
3533 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) { |
3534 | /* make sure SvREFCNT(sv)==0 happens very seldom */ | |
3535 | SvREFCNT(sv) = (~(U32)0)/2; | |
3536 | return; | |
3537 | } | |
79072805 | 3538 | sv_clear(sv); |
477f5d66 CS |
3539 | if (! SvREFCNT(sv)) |
3540 | del_SV(sv); | |
79072805 LW |
3541 | } |
3542 | ||
3543 | STRLEN | |
864dbfa3 | 3544 | Perl_sv_len(pTHX_ register SV *sv) |
79072805 | 3545 | { |
748a9306 | 3546 | char *junk; |
463ee0b2 | 3547 | STRLEN len; |
79072805 LW |
3548 | |
3549 | if (!sv) | |
3550 | return 0; | |
3551 | ||
8990e307 | 3552 | if (SvGMAGICAL(sv)) |
565764a8 | 3553 | len = mg_length(sv); |
8990e307 | 3554 | else |
748a9306 | 3555 | junk = SvPV(sv, len); |
463ee0b2 | 3556 | return len; |
79072805 LW |
3557 | } |
3558 | ||
a0ed51b3 | 3559 | STRLEN |
864dbfa3 | 3560 | Perl_sv_len_utf8(pTHX_ register SV *sv) |
a0ed51b3 | 3561 | { |
dfe13c55 GS |
3562 | U8 *s; |
3563 | U8 *send; | |
a0ed51b3 LW |
3564 | STRLEN len; |
3565 | ||
3566 | if (!sv) | |
3567 | return 0; | |
3568 | ||
3569 | #ifdef NOTYET | |
3570 | if (SvGMAGICAL(sv)) | |
3571 | len = mg_length(sv); | |
3572 | else | |
3573 | #endif | |
dfe13c55 | 3574 | s = (U8*)SvPV(sv, len); |
a0ed51b3 LW |
3575 | send = s + len; |
3576 | len = 0; | |
3577 | while (s < send) { | |
3578 | s += UTF8SKIP(s); | |
3579 | len++; | |
3580 | } | |
3581 | return len; | |
3582 | } | |
3583 | ||
3584 | void | |
864dbfa3 | 3585 | Perl_sv_pos_u2b(pTHX_ register SV *sv, I32* offsetp, I32* lenp) |
a0ed51b3 | 3586 | { |
dfe13c55 GS |
3587 | U8 *start; |
3588 | U8 *s; | |
3589 | U8 *send; | |
a0ed51b3 LW |
3590 | I32 uoffset = *offsetp; |
3591 | STRLEN len; | |
3592 | ||
3593 | if (!sv) | |
3594 | return; | |
3595 | ||
dfe13c55 | 3596 | start = s = (U8*)SvPV(sv, len); |
a0ed51b3 LW |
3597 | send = s + len; |
3598 | while (s < send && uoffset--) | |
3599 | s += UTF8SKIP(s); | |
bb40f870 GA |
3600 | if (s >= send) |
3601 | s = send; | |
a0ed51b3 LW |
3602 | *offsetp = s - start; |
3603 | if (lenp) { | |
3604 | I32 ulen = *lenp; | |
3605 | start = s; | |
3606 | while (s < send && ulen--) | |
3607 | s += UTF8SKIP(s); | |
bb40f870 GA |
3608 | if (s >= send) |
3609 | s = send; | |
a0ed51b3 LW |
3610 | *lenp = s - start; |
3611 | } | |
3612 | return; | |
3613 | } | |
3614 | ||
3615 | void | |
864dbfa3 | 3616 | Perl_sv_pos_b2u(pTHX_ register SV *sv, I32* offsetp) |
a0ed51b3 | 3617 | { |
dfe13c55 GS |
3618 | U8 *s; |
3619 | U8 *send; | |
a0ed51b3 LW |
3620 | STRLEN len; |
3621 | ||
3622 | if (!sv) | |
3623 | return; | |
3624 | ||
dfe13c55 | 3625 | s = (U8*)SvPV(sv, len); |
a0ed51b3 | 3626 | if (len < *offsetp) |
cea2e8a9 | 3627 | Perl_croak(aTHX_ "panic: bad byte offset"); |
a0ed51b3 LW |
3628 | send = s + *offsetp; |
3629 | len = 0; | |
3630 | while (s < send) { | |
3631 | s += UTF8SKIP(s); | |
3632 | ++len; | |
3633 | } | |
3634 | if (s != send) { | |
0453d815 PM |
3635 | dTHR; |
3636 | if (ckWARN_d(WARN_UTF8)) | |
3637 | Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character"); | |
a0ed51b3 LW |
3638 | --len; |
3639 | } | |
3640 | *offsetp = len; | |
3641 | return; | |
3642 | } | |
3643 | ||
79072805 | 3644 | I32 |
864dbfa3 | 3645 | Perl_sv_eq(pTHX_ register SV *str1, register SV *str2) |
79072805 LW |
3646 | { |
3647 | char *pv1; | |
463ee0b2 | 3648 | STRLEN cur1; |
79072805 | 3649 | char *pv2; |
463ee0b2 | 3650 | STRLEN cur2; |
79072805 LW |
3651 | |
3652 | if (!str1) { | |
3653 | pv1 = ""; | |
3654 | cur1 = 0; | |
3655 | } | |
463ee0b2 LW |
3656 | else |
3657 | pv1 = SvPV(str1, cur1); | |
79072805 LW |
3658 | |
3659 | if (!str2) | |
3660 | return !cur1; | |
463ee0b2 LW |
3661 | else |
3662 | pv2 = SvPV(str2, cur2); | |
79072805 LW |
3663 | |
3664 | if (cur1 != cur2) | |
3665 | return 0; | |
3666 | ||
36477c24 | 3667 | return memEQ(pv1, pv2, cur1); |
79072805 LW |
3668 | } |
3669 | ||
3670 | I32 | |
864dbfa3 | 3671 | Perl_sv_cmp(pTHX_ register SV *str1, register SV *str2) |
79072805 | 3672 | { |
bbce6d69 | 3673 | STRLEN cur1 = 0; |
8ac85365 | 3674 | char *pv1 = str1 ? SvPV(str1, cur1) : (char *) NULL; |
bbce6d69 | 3675 | STRLEN cur2 = 0; |
8ac85365 | 3676 | char *pv2 = str2 ? SvPV(str2, cur2) : (char *) NULL; |
79072805 | 3677 | I32 retval; |
79072805 | 3678 | |
bbce6d69 | 3679 | if (!cur1) |
3680 | return cur2 ? -1 : 0; | |
16660edb | 3681 | |
bbce6d69 | 3682 | if (!cur2) |
3683 | return 1; | |
79072805 | 3684 | |
bbce6d69 | 3685 | retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2); |
16660edb | 3686 | |
bbce6d69 | 3687 | if (retval) |
3688 | return retval < 0 ? -1 : 1; | |
16660edb | 3689 | |
bbce6d69 | 3690 | if (cur1 == cur2) |
3691 | return 0; | |
3692 | else | |
3693 | return cur1 < cur2 ? -1 : 1; | |
3694 | } | |
16660edb | 3695 | |
bbce6d69 | 3696 | I32 |
864dbfa3 | 3697 | Perl_sv_cmp_locale(pTHX_ register SV *sv1, register SV *sv2) |
bbce6d69 | 3698 | { |
36477c24 | 3699 | #ifdef USE_LOCALE_COLLATE |
16660edb | 3700 | |
bbce6d69 | 3701 | char *pv1, *pv2; |
3702 | STRLEN len1, len2; | |
3703 | I32 retval; | |
16660edb | 3704 | |
3280af22 | 3705 | if (PL_collation_standard) |
bbce6d69 | 3706 | goto raw_compare; |
16660edb | 3707 | |
bbce6d69 | 3708 | len1 = 0; |
8ac85365 | 3709 | pv1 = sv1 ? sv_collxfrm(sv1, &len1) : (char *) NULL; |
bbce6d69 | 3710 | len2 = 0; |
8ac85365 | 3711 | pv2 = sv2 ? sv_collxfrm(sv2, &len2) : (char *) NULL; |
16660edb | 3712 | |
bbce6d69 | 3713 | if (!pv1 || !len1) { |
3714 | if (pv2 && len2) | |
3715 | return -1; | |
3716 | else | |
3717 | goto raw_compare; | |
3718 | } | |
3719 | else { | |
3720 | if (!pv2 || !len2) | |
3721 | return 1; | |
3722 | } | |
16660edb | 3723 | |
bbce6d69 | 3724 | retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2); |
16660edb | 3725 | |
bbce6d69 | 3726 | if (retval) |
16660edb | 3727 | return retval < 0 ? -1 : 1; |
3728 | ||
bbce6d69 | 3729 | /* |
3730 | * When the result of collation is equality, that doesn't mean | |
3731 | * that there are no differences -- some locales exclude some | |
3732 | * characters from consideration. So to avoid false equalities, | |
3733 | * we use the raw string as a tiebreaker. | |
3734 | */ | |
16660edb | 3735 | |
bbce6d69 | 3736 | raw_compare: |
3737 | /* FALL THROUGH */ | |
16660edb | 3738 | |
36477c24 | 3739 | #endif /* USE_LOCALE_COLLATE */ |
16660edb | 3740 | |
bbce6d69 | 3741 | return sv_cmp(sv1, sv2); |
3742 | } | |
79072805 | 3743 | |
36477c24 | 3744 | #ifdef USE_LOCALE_COLLATE |
7a4c00b4 | 3745 | /* |
3746 | * Any scalar variable may carry an 'o' magic that contains the | |
3747 | * scalar data of the variable transformed to such a format that | |
3748 | * a normal memory comparison can be used to compare the data | |
3749 | * according to the locale settings. | |
3750 | */ | |
bbce6d69 | 3751 | char * |
864dbfa3 | 3752 | Perl_sv_collxfrm(pTHX_ SV *sv, STRLEN *nxp) |
bbce6d69 | 3753 | { |
7a4c00b4 | 3754 | MAGIC *mg; |
16660edb | 3755 | |
8ac85365 | 3756 | mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : (MAGIC *) NULL; |
3280af22 | 3757 | if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != PL_collation_ix) { |
bbce6d69 | 3758 | char *s, *xf; |
3759 | STRLEN len, xlen; | |
3760 | ||
7a4c00b4 | 3761 | if (mg) |
3762 | Safefree(mg->mg_ptr); | |
bbce6d69 | 3763 | s = SvPV(sv, len); |
3764 | if ((xf = mem_collxfrm(s, len, &xlen))) { | |
ff0cee69 | 3765 | if (SvREADONLY(sv)) { |
3766 | SAVEFREEPV(xf); | |
3767 | *nxp = xlen; | |
3280af22 | 3768 | return xf + sizeof(PL_collation_ix); |
ff0cee69 | 3769 | } |
7a4c00b4 | 3770 | if (! mg) { |
3771 | sv_magic(sv, 0, 'o', 0, 0); | |
3772 | mg = mg_find(sv, 'o'); | |
3773 | assert(mg); | |
bbce6d69 | 3774 | } |
7a4c00b4 | 3775 | mg->mg_ptr = xf; |
565764a8 | 3776 | mg->mg_len = xlen; |
7a4c00b4 | 3777 | } |
3778 | else { | |
ff0cee69 | 3779 | if (mg) { |
3780 | mg->mg_ptr = NULL; | |
565764a8 | 3781 | mg->mg_len = -1; |
ff0cee69 | 3782 | } |
bbce6d69 | 3783 | } |
3784 | } | |
7a4c00b4 | 3785 | if (mg && mg->mg_ptr) { |
565764a8 | 3786 | *nxp = mg->mg_len; |
3280af22 | 3787 | return mg->mg_ptr + sizeof(PL_collation_ix); |
bbce6d69 | 3788 | } |
3789 | else { | |
3790 | *nxp = 0; | |
3791 | return NULL; | |
16660edb | 3792 | } |
79072805 LW |
3793 | } |
3794 | ||
36477c24 | 3795 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 3796 | |
79072805 | 3797 | char * |
864dbfa3 | 3798 | Perl_sv_gets(pTHX_ register SV *sv, register PerlIO *fp, I32 append) |
79072805 | 3799 | { |
aeea060c | 3800 | dTHR; |
c07a80fd | 3801 | char *rsptr; |
3802 | STRLEN rslen; | |
3803 | register STDCHAR rslast; | |
3804 | register STDCHAR *bp; | |
3805 | register I32 cnt; | |
3806 | I32 i; | |
3807 | ||
2213622d | 3808 | SV_CHECK_THINKFIRST(sv); |
6fc92669 | 3809 | (void)SvUPGRADE(sv, SVt_PV); |
99491443 | 3810 | |
ff68c719 | 3811 | SvSCREAM_off(sv); |
c07a80fd | 3812 | |
3280af22 | 3813 | if (RsSNARF(PL_rs)) { |
c07a80fd | 3814 | rsptr = NULL; |
3815 | rslen = 0; | |
3816 | } | |
3280af22 | 3817 | else if (RsRECORD(PL_rs)) { |
5b2b9c68 HM |
3818 | I32 recsize, bytesread; |
3819 | char *buffer; | |
3820 | ||
3821 | /* Grab the size of the record we're getting */ | |
3280af22 | 3822 | recsize = SvIV(SvRV(PL_rs)); |
5b2b9c68 | 3823 | (void)SvPOK_only(sv); /* Validate pointer */ |
e670df4e | 3824 | buffer = SvGROW(sv, recsize + 1); |
5b2b9c68 HM |
3825 | /* Go yank in */ |
3826 | #ifdef VMS | |
3827 | /* VMS wants read instead of fread, because fread doesn't respect */ | |
3828 | /* RMS record boundaries. This is not necessarily a good thing to be */ | |
3829 | /* doing, but we've got no other real choice */ | |
3830 | bytesread = PerlLIO_read(PerlIO_fileno(fp), buffer, recsize); | |
3831 | #else | |
3832 | bytesread = PerlIO_read(fp, buffer, recsize); | |
3833 | #endif | |
3834 | SvCUR_set(sv, bytesread); | |
e670df4e | 3835 | buffer[bytesread] = '\0'; |
5b2b9c68 HM |
3836 | return(SvCUR(sv) ? SvPVX(sv) : Nullch); |
3837 | } | |
3280af22 | 3838 | else if (RsPARA(PL_rs)) { |
c07a80fd | 3839 | rsptr = "\n\n"; |
3840 | rslen = 2; | |
3841 | } | |
3842 | else | |
3280af22 | 3843 | rsptr = SvPV(PL_rs, rslen); |
c07a80fd | 3844 | rslast = rslen ? rsptr[rslen - 1] : '\0'; |
3845 | ||
3280af22 | 3846 | if (RsPARA(PL_rs)) { /* have to do this both before and after */ |
79072805 | 3847 | do { /* to make sure file boundaries work right */ |
760ac839 | 3848 | if (PerlIO_eof(fp)) |
a0d0e21e | 3849 | return 0; |
760ac839 | 3850 | i = PerlIO_getc(fp); |
79072805 | 3851 | if (i != '\n') { |
a0d0e21e LW |
3852 | if (i == -1) |
3853 | return 0; | |
760ac839 | 3854 | PerlIO_ungetc(fp,i); |
79072805 LW |
3855 | break; |
3856 | } | |
3857 | } while (i != EOF); | |
3858 | } | |
c07a80fd | 3859 | |
760ac839 LW |
3860 | /* See if we know enough about I/O mechanism to cheat it ! */ |
3861 | ||
3862 | /* This used to be #ifdef test - it is made run-time test for ease | |
3863 | of abstracting out stdio interface. One call should be cheap | |
3864 | enough here - and may even be a macro allowing compile | |
3865 | time optimization. | |
3866 | */ | |
3867 | ||
3868 | if (PerlIO_fast_gets(fp)) { | |
3869 | ||
3870 | /* | |
3871 | * We're going to steal some values from the stdio struct | |
3872 | * and put EVERYTHING in the innermost loop into registers. | |
3873 | */ | |
3874 | register STDCHAR *ptr; | |
3875 | STRLEN bpx; | |
3876 | I32 shortbuffered; | |
3877 | ||
16660edb | 3878 | #if defined(VMS) && defined(PERLIO_IS_STDIO) |
3879 | /* An ungetc()d char is handled separately from the regular | |
3880 | * buffer, so we getc() it back out and stuff it in the buffer. | |
3881 | */ | |
3882 | i = PerlIO_getc(fp); | |
3883 | if (i == EOF) return 0; | |
3884 | *(--((*fp)->_ptr)) = (unsigned char) i; | |
3885 | (*fp)->_cnt++; | |
3886 | #endif | |
c07a80fd | 3887 | |
c2960299 | 3888 | /* Here is some breathtakingly efficient cheating */ |
c07a80fd | 3889 | |
a20bf0c3 | 3890 | cnt = PerlIO_get_cnt(fp); /* get count into register */ |
a0d0e21e | 3891 | (void)SvPOK_only(sv); /* validate pointer */ |
79072805 LW |
3892 | if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ |
3893 | if (cnt > 80 && SvLEN(sv) > append) { | |
3894 | shortbuffered = cnt - SvLEN(sv) + append + 1; | |
3895 | cnt -= shortbuffered; | |
3896 | } | |
3897 | else { | |
3898 | shortbuffered = 0; | |
bbce6d69 | 3899 | /* remember that cnt can be negative */ |
3900 | SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1))); | |
79072805 LW |
3901 | } |
3902 | } | |
3903 | else | |
3904 | shortbuffered = 0; | |
c07a80fd | 3905 | bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */ |
a20bf0c3 | 3906 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); |
16660edb | 3907 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
1d7c1841 | 3908 | "Screamer: entering, ptr=%"UVuf", cnt=%ld\n",PTR2UV(ptr),(long)cnt)); |
16660edb | 3909 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
1d7c1841 GS |
3910 | "Screamer: entering: FILE * thinks ptr=%"UVuf", cnt=%ld, base=%"UVuf"\n", |
3911 | PTR2UV(PerlIO_get_ptr(fp)), (long)PerlIO_get_cnt(fp), | |
3912 | PTR2UV(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 LW |
3913 | for (;;) { |
3914 | screamer: | |
93a17b20 | 3915 | if (cnt > 0) { |
c07a80fd | 3916 | if (rslen) { |
760ac839 LW |
3917 | while (cnt > 0) { /* this | eat */ |
3918 | cnt--; | |
c07a80fd | 3919 | if ((*bp++ = *ptr++) == rslast) /* really | dust */ |
3920 | goto thats_all_folks; /* screams | sed :-) */ | |
3921 | } | |
3922 | } | |
3923 | else { | |
36477c24 | 3924 | Copy(ptr, bp, cnt, char); /* this | eat */ |
c07a80fd | 3925 | bp += cnt; /* screams | dust */ |
3926 | ptr += cnt; /* louder | sed :-) */ | |
a5f75d66 | 3927 | cnt = 0; |
93a17b20 | 3928 | } |
79072805 LW |
3929 | } |
3930 | ||
748a9306 | 3931 | if (shortbuffered) { /* oh well, must extend */ |
79072805 LW |
3932 | cnt = shortbuffered; |
3933 | shortbuffered = 0; | |
c07a80fd | 3934 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3935 | SvCUR_set(sv, bpx); |
3936 | SvGROW(sv, SvLEN(sv) + append + cnt + 2); | |
c07a80fd | 3937 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
79072805 LW |
3938 | continue; |
3939 | } | |
3940 | ||
16660edb | 3941 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
1d7c1841 GS |
3942 | "Screamer: going to getc, ptr=%"UVuf", cnt=%ld\n", |
3943 | PTR2UV(ptr),(long)cnt)); | |
a20bf0c3 | 3944 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */ |
16660edb | 3945 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
1d7c1841 GS |
3946 | "Screamer: pre: FILE * thinks ptr=%"UVuf", cnt=%ld, base=%"UVuf"\n", |
3947 | PTR2UV(PerlIO_get_ptr(fp)), (long)PerlIO_get_cnt(fp), | |
3948 | PTR2UV(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
16660edb | 3949 | /* This used to call 'filbuf' in stdio form, but as that behaves like |
774d564b | 3950 | getc when cnt <= 0 we use PerlIO_getc here to avoid introducing |
3951 | another abstraction. */ | |
760ac839 | 3952 | i = PerlIO_getc(fp); /* get more characters */ |
16660edb | 3953 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
1d7c1841 GS |
3954 | "Screamer: post: FILE * thinks ptr=%"UVuf", cnt=%ld, base=%"UVuf"\n", |
3955 | PTR2UV(PerlIO_get_ptr(fp)), (long)PerlIO_get_cnt(fp), | |
3956 | PTR2UV(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
a20bf0c3 JH |
3957 | cnt = PerlIO_get_cnt(fp); |
3958 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */ | |
16660edb | 3959 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
1d7c1841 | 3960 | "Screamer: after getc, ptr=%"UVuf", cnt=%ld\n",PTR2UV(ptr),(long)cnt)); |
79072805 | 3961 | |
748a9306 LW |
3962 | if (i == EOF) /* all done for ever? */ |
3963 | goto thats_really_all_folks; | |
3964 | ||
c07a80fd | 3965 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3966 | SvCUR_set(sv, bpx); |
3967 | SvGROW(sv, bpx + cnt + 2); | |
c07a80fd | 3968 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
3969 | ||
760ac839 | 3970 | *bp++ = i; /* store character from PerlIO_getc */ |
79072805 | 3971 | |
c07a80fd | 3972 | if (rslen && (STDCHAR)i == rslast) /* all done for now? */ |
79072805 | 3973 | goto thats_all_folks; |
79072805 LW |
3974 | } |
3975 | ||
3976 | thats_all_folks: | |
c07a80fd | 3977 | if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) || |
36477c24 | 3978 | memNE((char*)bp - rslen, rsptr, rslen)) |
760ac839 | 3979 | goto screamer; /* go back to the fray */ |
79072805 LW |
3980 | thats_really_all_folks: |
3981 | if (shortbuffered) | |
3982 | cnt += shortbuffered; | |
16660edb | 3983 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
1d7c1841 | 3984 | "Screamer: quitting, ptr=%"UVuf", cnt=%ld\n",PTR2UV(ptr),(long)cnt)); |
a20bf0c3 | 3985 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */ |
16660edb | 3986 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
1d7c1841 GS |
3987 | "Screamer: end: FILE * thinks ptr=%"UVuf", cnt=%ld, base=%"UVuf"\n", |
3988 | PTR2UV(PerlIO_get_ptr(fp)), (long)PerlIO_get_cnt(fp), | |
3989 | PTR2UV(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 | 3990 | *bp = '\0'; |
760ac839 | 3991 | SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */ |
16660edb | 3992 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
fb73857a | 3993 | "Screamer: done, len=%ld, string=|%.*s|\n", |
3994 | (long)SvCUR(sv),(int)SvCUR(sv),SvPVX(sv))); | |
760ac839 LW |
3995 | } |
3996 | else | |
79072805 | 3997 | { |
4d2c4e07 | 3998 | #ifndef EPOC |
760ac839 | 3999 | /*The big, slow, and stupid way */ |
c07a80fd | 4000 | STDCHAR buf[8192]; |
4d2c4e07 OF |
4001 | #else |
4002 | /* Need to work around EPOC SDK features */ | |
4003 | /* On WINS: MS VC5 generates calls to _chkstk, */ | |
4004 | /* if a `large' stack frame is allocated */ | |
4005 | /* gcc on MARM does not generate calls like these */ | |
4006 | STDCHAR buf[1024]; | |
4007 | #endif | |
79072805 | 4008 | |
760ac839 | 4009 | screamer2: |
c07a80fd | 4010 | if (rslen) { |
760ac839 LW |
4011 | register STDCHAR *bpe = buf + sizeof(buf); |
4012 | bp = buf; | |
4013 | while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe) | |
4014 | ; /* keep reading */ | |
4015 | cnt = bp - buf; | |
c07a80fd | 4016 | } |
4017 | else { | |
760ac839 | 4018 | cnt = PerlIO_read(fp,(char*)buf, sizeof(buf)); |
16660edb | 4019 | /* Accomodate broken VAXC compiler, which applies U8 cast to |
4020 | * both args of ?: operator, causing EOF to change into 255 | |
4021 | */ | |
4022 | if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; } | |
c07a80fd | 4023 | } |
79072805 LW |
4024 | |
4025 | if (append) | |
760ac839 | 4026 | sv_catpvn(sv, (char *) buf, cnt); |
79072805 | 4027 | else |
760ac839 | 4028 | sv_setpvn(sv, (char *) buf, cnt); |
c07a80fd | 4029 | |
4030 | if (i != EOF && /* joy */ | |
4031 | (!rslen || | |
4032 | SvCUR(sv) < rslen || | |
36477c24 | 4033 | memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen))) |
79072805 LW |
4034 | { |
4035 | append = -1; | |
63e4d877 CS |
4036 | /* |
4037 | * If we're reading from a TTY and we get a short read, | |
4038 | * indicating that the user hit his EOF character, we need | |
4039 | * to notice it now, because if we try to read from the TTY | |
4040 | * again, the EOF condition will disappear. | |
4041 | * | |
4042 | * The comparison of cnt to sizeof(buf) is an optimization | |
4043 | * that prevents unnecessary calls to feof(). | |
4044 | * | |
4045 | * - jik 9/25/96 | |
4046 | */ | |
4047 | if (!(cnt < sizeof(buf) && PerlIO_eof(fp))) | |
4048 | goto screamer2; | |
79072805 LW |
4049 | } |
4050 | } | |
4051 | ||
3280af22 | 4052 | if (RsPARA(PL_rs)) { /* have to do this both before and after */ |
c07a80fd | 4053 | while (i != EOF) { /* to make sure file boundaries work right */ |
760ac839 | 4054 | i = PerlIO_getc(fp); |
79072805 | 4055 | if (i != '\n') { |
760ac839 | 4056 | PerlIO_ungetc(fp,i); |
79072805 LW |
4057 | break; |
4058 | } | |
4059 | } | |
4060 | } | |
c07a80fd | 4061 | |
4062 | return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch; | |
79072805 LW |
4063 | } |
4064 | ||
760ac839 | 4065 | |
79072805 | 4066 | void |
864dbfa3 | 4067 | Perl_sv_inc(pTHX_ register SV *sv) |
79072805 LW |
4068 | { |
4069 | register char *d; | |
463ee0b2 | 4070 | int flags; |
79072805 LW |
4071 | |
4072 | if (!sv) | |
4073 | return; | |
b23a5f78 GB |
4074 | if (SvGMAGICAL(sv)) |
4075 | mg_get(sv); | |
ed6116ce | 4076 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
4077 | if (SvREADONLY(sv)) { |
4078 | dTHR; | |
3280af22 | 4079 | if (PL_curcop != &PL_compiling) |
cea2e8a9 | 4080 | Perl_croak(aTHX_ PL_no_modify); |
0f15f207 | 4081 | } |
a0d0e21e | 4082 | if (SvROK(sv)) { |
b5be31e9 | 4083 | IV i; |
9e7bc3e8 JD |
4084 | if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) |
4085 | return; | |
56431972 | 4086 | i = PTR2IV(SvRV(sv)); |
b5be31e9 SM |
4087 | sv_unref(sv); |
4088 | sv_setiv(sv, i); | |
a0d0e21e | 4089 | } |
ed6116ce | 4090 | } |
8990e307 | 4091 | flags = SvFLAGS(sv); |
8990e307 | 4092 | if (flags & SVp_NOK) { |
a0d0e21e | 4093 | (void)SvNOK_only(sv); |
55497cff | 4094 | SvNVX(sv) += 1.0; |
4095 | return; | |
4096 | } | |
4097 | if (flags & SVp_IOK) { | |
25da4f38 IZ |
4098 | if (SvIsUV(sv)) { |
4099 | if (SvUVX(sv) == UV_MAX) | |
65202027 | 4100 | sv_setnv(sv, (NV)UV_MAX + 1.0); |
25da4f38 IZ |
4101 | else |
4102 | (void)SvIOK_only_UV(sv); | |
4103 | ++SvUVX(sv); | |
4104 | } else { | |
4105 | if (SvIVX(sv) == IV_MAX) | |
65202027 | 4106 | sv_setnv(sv, (NV)IV_MAX + 1.0); |
25da4f38 IZ |
4107 | else { |
4108 | (void)SvIOK_only(sv); | |
4109 | ++SvIVX(sv); | |
4110 | } | |
55497cff | 4111 | } |
79072805 LW |
4112 | return; |
4113 | } | |
8990e307 | 4114 | if (!(flags & SVp_POK) || !*SvPVX(sv)) { |
4633a7c4 LW |
4115 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
4116 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 4117 | SvNVX(sv) = 1.0; |
a0d0e21e | 4118 | (void)SvNOK_only(sv); |
79072805 LW |
4119 | return; |
4120 | } | |
463ee0b2 | 4121 | d = SvPVX(sv); |
79072805 LW |
4122 | while (isALPHA(*d)) d++; |
4123 | while (isDIGIT(*d)) d++; | |
4124 | if (*d) { | |
097ee67d | 4125 | sv_setnv(sv,Atof(SvPVX(sv)) + 1.0); /* punt */ |
79072805 LW |
4126 | return; |
4127 | } | |
4128 | d--; | |
463ee0b2 | 4129 | while (d >= SvPVX(sv)) { |
79072805 LW |
4130 | if (isDIGIT(*d)) { |
4131 | if (++*d <= '9') | |
4132 | return; | |
4133 | *(d--) = '0'; | |
4134 | } | |
4135 | else { | |
9d116dd7 JH |
4136 | #ifdef EBCDIC |
4137 | /* MKS: The original code here died if letters weren't consecutive. | |
4138 | * at least it didn't have to worry about non-C locales. The | |
4139 | * new code assumes that ('z'-'a')==('Z'-'A'), letters are | |
4140 | * arranged in order (although not consecutively) and that only | |
4141 | * [A-Za-z] are accepted by isALPHA in the C locale. | |
4142 | */ | |
4143 | if (*d != 'z' && *d != 'Z') { | |
4144 | do { ++*d; } while (!isALPHA(*d)); | |
4145 | return; | |
4146 | } | |
4147 | *(d--) -= 'z' - 'a'; | |
4148 | #else | |
79072805 LW |
4149 | ++*d; |
4150 | if (isALPHA(*d)) | |
4151 | return; | |
4152 | *(d--) -= 'z' - 'a' + 1; | |
9d116dd7 | 4153 | #endif |
79072805 LW |
4154 | } |
4155 | } | |
4156 | /* oh,oh, the number grew */ | |
4157 | SvGROW(sv, SvCUR(sv) + 2); | |
4158 | SvCUR(sv)++; | |
463ee0b2 | 4159 | for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--) |
79072805 LW |
4160 | *d = d[-1]; |
4161 | if (isDIGIT(d[1])) | |
4162 | *d = '1'; | |
4163 | else | |
4164 | *d = d[1]; | |
4165 | } | |
4166 | ||
4167 | void | |
864dbfa3 | 4168 | Perl_sv_dec(pTHX_ register SV *sv) |
79072805 | 4169 | { |
463ee0b2 LW |
4170 | int flags; |
4171 | ||
79072805 LW |
4172 | if (!sv) |
4173 | return; | |
b23a5f78 GB |
4174 | if (SvGMAGICAL(sv)) |
4175 | mg_get(sv); | |
ed6116ce | 4176 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
4177 | if (SvREADONLY(sv)) { |
4178 | dTHR; | |
3280af22 | 4179 | if (PL_curcop != &PL_compiling) |
cea2e8a9 | 4180 | Perl_croak(aTHX_ PL_no_modify); |
0f15f207 | 4181 | } |
a0d0e21e | 4182 | if (SvROK(sv)) { |
b5be31e9 | 4183 | IV i; |
9e7bc3e8 JD |
4184 | if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) |
4185 | return; | |
56431972 | 4186 | i = PTR2IV(SvRV(sv)); |
b5be31e9 SM |
4187 | sv_unref(sv); |
4188 | sv_setiv(sv, i); | |
a0d0e21e | 4189 | } |
ed6116ce | 4190 | } |
8990e307 | 4191 | flags = SvFLAGS(sv); |
8990e307 | 4192 | if (flags & SVp_NOK) { |
463ee0b2 | 4193 | SvNVX(sv) -= 1.0; |
a0d0e21e | 4194 | (void)SvNOK_only(sv); |
79072805 LW |
4195 | return; |
4196 | } | |
55497cff | 4197 | if (flags & SVp_IOK) { |
25da4f38 IZ |
4198 | if (SvIsUV(sv)) { |
4199 | if (SvUVX(sv) == 0) { | |
4200 | (void)SvIOK_only(sv); | |
4201 | SvIVX(sv) = -1; | |
4202 | } | |
4203 | else { | |
4204 | (void)SvIOK_only_UV(sv); | |
4205 | --SvUVX(sv); | |
4206 | } | |
4207 | } else { | |
4208 | if (SvIVX(sv) == IV_MIN) | |
65202027 | 4209 | sv_setnv(sv, (NV)IV_MIN - 1.0); |
25da4f38 IZ |
4210 | else { |
4211 | (void)SvIOK_only(sv); | |
4212 | --SvIVX(sv); | |
4213 | } | |
55497cff | 4214 | } |
4215 | return; | |
4216 | } | |
8990e307 | 4217 | if (!(flags & SVp_POK)) { |
4633a7c4 LW |
4218 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
4219 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 4220 | SvNVX(sv) = -1.0; |
a0d0e21e | 4221 | (void)SvNOK_only(sv); |
79072805 LW |
4222 | return; |
4223 | } | |
097ee67d | 4224 | sv_setnv(sv,Atof(SvPVX(sv)) - 1.0); /* punt */ |
79072805 LW |
4225 | } |
4226 | ||
4227 | /* Make a string that will exist for the duration of the expression | |
4228 | * evaluation. Actually, it may have to last longer than that, but | |
4229 | * hopefully we won't free it until it has been assigned to a | |
4230 | * permanent location. */ | |
4231 | ||
4232 | SV * | |
864dbfa3 | 4233 | Perl_sv_mortalcopy(pTHX_ SV *oldstr) |
79072805 | 4234 | { |
11343788 | 4235 | dTHR; |
463ee0b2 | 4236 | register SV *sv; |
79072805 | 4237 | |
4561caa4 | 4238 | new_SV(sv); |
79072805 | 4239 | sv_setsv(sv,oldstr); |
677b06e3 GS |
4240 | EXTEND_MORTAL(1); |
4241 | PL_tmps_stack[++PL_tmps_ix] = sv; | |
8990e307 LW |
4242 | SvTEMP_on(sv); |
4243 | return sv; | |
4244 | } | |
4245 | ||
4246 | SV * | |
864dbfa3 | 4247 | Perl_sv_newmortal(pTHX) |
8990e307 | 4248 | { |
11343788 | 4249 | dTHR; |
8990e307 LW |
4250 | register SV *sv; |
4251 | ||
4561caa4 | 4252 | new_SV(sv); |
8990e307 | 4253 | SvFLAGS(sv) = SVs_TEMP; |
677b06e3 GS |
4254 | EXTEND_MORTAL(1); |
4255 | PL_tmps_stack[++PL_tmps_ix] = sv; | |
79072805 LW |
4256 | return sv; |
4257 | } | |
4258 | ||
4259 | /* same thing without the copying */ | |
4260 | ||
4261 | SV * | |
864dbfa3 | 4262 | Perl_sv_2mortal(pTHX_ register SV *sv) |
79072805 | 4263 | { |
11343788 | 4264 | dTHR; |
79072805 LW |
4265 | if (!sv) |
4266 | return sv; | |
d689ffdd | 4267 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) |
11162842 | 4268 | return sv; |
677b06e3 GS |
4269 | EXTEND_MORTAL(1); |
4270 | PL_tmps_stack[++PL_tmps_ix] = sv; | |
8990e307 | 4271 | SvTEMP_on(sv); |
79072805 LW |
4272 | return sv; |
4273 | } | |
4274 | ||
4275 | SV * | |
864dbfa3 | 4276 | Perl_newSVpv(pTHX_ const char *s, STRLEN len) |
79072805 | 4277 | { |
463ee0b2 | 4278 | register SV *sv; |
79072805 | 4279 | |
4561caa4 | 4280 | new_SV(sv); |
79072805 LW |
4281 | if (!len) |
4282 | len = strlen(s); | |
4283 | sv_setpvn(sv,s,len); | |
4284 | return sv; | |
4285 | } | |
4286 | ||
9da1e3b5 | 4287 | SV * |
864dbfa3 | 4288 | Perl_newSVpvn(pTHX_ const char *s, STRLEN len) |
9da1e3b5 MUN |
4289 | { |
4290 | register SV *sv; | |
4291 | ||
4292 | new_SV(sv); | |
9da1e3b5 MUN |
4293 | sv_setpvn(sv,s,len); |
4294 | return sv; | |
4295 | } | |
4296 | ||
cea2e8a9 | 4297 | #if defined(PERL_IMPLICIT_CONTEXT) |
46fc3d4c | 4298 | SV * |
cea2e8a9 | 4299 | Perl_newSVpvf_nocontext(const char* pat, ...) |
46fc3d4c | 4300 | { |
cea2e8a9 | 4301 | dTHX; |
46fc3d4c | 4302 | register SV *sv; |
4303 | va_list args; | |
46fc3d4c | 4304 | va_start(args, pat); |
c5be433b | 4305 | sv = vnewSVpvf(pat, &args); |
46fc3d4c | 4306 | va_end(args); |
4307 | return sv; | |
4308 | } | |
cea2e8a9 | 4309 | #endif |
46fc3d4c | 4310 | |
cea2e8a9 GS |
4311 | SV * |
4312 | Perl_newSVpvf(pTHX_ const char* pat, ...) | |
4313 | { | |
4314 | register SV *sv; | |
4315 | va_list args; | |
cea2e8a9 | 4316 | va_start(args, pat); |
c5be433b | 4317 | sv = vnewSVpvf(pat, &args); |
cea2e8a9 GS |
4318 | va_end(args); |
4319 | return sv; | |
4320 | } | |
46fc3d4c | 4321 | |
79072805 | 4322 | SV * |
c5be433b GS |
4323 | Perl_vnewSVpvf(pTHX_ const char* pat, va_list* args) |
4324 | { | |
4325 | register SV *sv; | |
4326 | new_SV(sv); | |
4327 | sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); | |
4328 | return sv; | |
4329 | } | |
4330 | ||
4331 | SV * | |
65202027 | 4332 | Perl_newSVnv(pTHX_ NV n) |
79072805 | 4333 | { |
463ee0b2 | 4334 | register SV *sv; |
79072805 | 4335 | |
4561caa4 | 4336 | new_SV(sv); |
79072805 LW |
4337 | sv_setnv(sv,n); |
4338 | return sv; | |
4339 | } | |
4340 | ||
4341 | SV * | |
864dbfa3 | 4342 | Perl_newSViv(pTHX_ IV i) |
79072805 | 4343 | { |
463ee0b2 | 4344 | register SV *sv; |
79072805 | 4345 | |
4561caa4 | 4346 | new_SV(sv); |
79072805 LW |
4347 | sv_setiv(sv,i); |
4348 | return sv; | |
4349 | } | |
4350 | ||
2304df62 | 4351 | SV * |
864dbfa3 | 4352 | Perl_newRV_noinc(pTHX_ SV *tmpRef) |
2304df62 | 4353 | { |
11343788 | 4354 | dTHR; |
2304df62 AD |
4355 | register SV *sv; |
4356 | ||
4561caa4 | 4357 | new_SV(sv); |
2304df62 | 4358 | sv_upgrade(sv, SVt_RV); |
76e3520e | 4359 | SvTEMP_off(tmpRef); |
d689ffdd | 4360 | SvRV(sv) = tmpRef; |
2304df62 | 4361 | SvROK_on(sv); |
2304df62 AD |
4362 | return sv; |
4363 | } | |
4364 | ||
5f05dabc | 4365 | SV * |
864dbfa3 | 4366 | Perl_newRV(pTHX_ SV *tmpRef) |
5f05dabc | 4367 | { |
5f6447b6 | 4368 | return newRV_noinc(SvREFCNT_inc(tmpRef)); |
5f05dabc | 4369 | } |
5f05dabc | 4370 | |
79072805 LW |
4371 | /* make an exact duplicate of old */ |
4372 | ||
4373 | SV * | |
864dbfa3 | 4374 | Perl_newSVsv(pTHX_ register SV *old) |
79072805 | 4375 | { |
0453d815 | 4376 | dTHR; |
463ee0b2 | 4377 | register SV *sv; |
79072805 LW |
4378 | |
4379 | if (!old) | |
4380 | return Nullsv; | |
8990e307 | 4381 | if (SvTYPE(old) == SVTYPEMASK) { |
0453d815 PM |
4382 | if (ckWARN_d(WARN_INTERNAL)) |
4383 | Perl_warner(aTHX_ WARN_INTERNAL, "semi-panic: attempt to dup freed string"); | |
79072805 LW |
4384 | return Nullsv; |
4385 | } | |
4561caa4 | 4386 | new_SV(sv); |
ff68c719 | 4387 | if (SvTEMP(old)) { |
4388 | SvTEMP_off(old); | |
463ee0b2 | 4389 | sv_setsv(sv,old); |
ff68c719 | 4390 | SvTEMP_on(old); |
79072805 LW |
4391 | } |
4392 | else | |
463ee0b2 LW |
4393 | sv_setsv(sv,old); |
4394 | return sv; | |
79072805 LW |
4395 | } |
4396 | ||
4397 | void | |
864dbfa3 | 4398 | Perl_sv_reset(pTHX_ register char *s, HV *stash) |
79072805 LW |
4399 | { |
4400 | register HE *entry; | |
4401 | register GV *gv; | |
4402 | register SV *sv; | |
4403 | register I32 i; | |
4404 | register PMOP *pm; | |
4405 | register I32 max; | |
4802d5d7 | 4406 | char todo[PERL_UCHAR_MAX+1]; |
79072805 | 4407 | |
49d8d3a1 MB |
4408 | if (!stash) |
4409 | return; | |
4410 | ||
79072805 LW |
4411 | if (!*s) { /* reset ?? searches */ |
4412 | for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) { | |
48c036b1 | 4413 | pm->op_pmdynflags &= ~PMdf_USED; |
79072805 LW |
4414 | } |
4415 | return; | |
4416 | } | |
4417 | ||
4418 | /* reset variables */ | |
4419 | ||
4420 | if (!HvARRAY(stash)) | |
4421 | return; | |
463ee0b2 LW |
4422 | |
4423 | Zero(todo, 256, char); | |
79072805 | 4424 | while (*s) { |
4802d5d7 | 4425 | i = (unsigned char)*s; |
79072805 LW |
4426 | if (s[1] == '-') { |
4427 | s += 2; | |
4428 | } | |
4802d5d7 | 4429 | max = (unsigned char)*s++; |
79072805 | 4430 | for ( ; i <= max; i++) { |
463ee0b2 LW |
4431 | todo[i] = 1; |
4432 | } | |
a0d0e21e | 4433 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
79072805 | 4434 | for (entry = HvARRAY(stash)[i]; |
9e35f4b3 GS |
4435 | entry; |
4436 | entry = HeNEXT(entry)) | |
4437 | { | |
1edc1566 | 4438 | if (!todo[(U8)*HeKEY(entry)]) |
463ee0b2 | 4439 | continue; |
1edc1566 | 4440 | gv = (GV*)HeVAL(entry); |
79072805 | 4441 | sv = GvSV(gv); |
9e35f4b3 GS |
4442 | if (SvTHINKFIRST(sv)) { |
4443 | if (!SvREADONLY(sv) && SvROK(sv)) | |
4444 | sv_unref(sv); | |
4445 | continue; | |
4446 | } | |
a0d0e21e | 4447 | (void)SvOK_off(sv); |
79072805 LW |
4448 | if (SvTYPE(sv) >= SVt_PV) { |
4449 | SvCUR_set(sv, 0); | |
463ee0b2 LW |
4450 | if (SvPVX(sv) != Nullch) |
4451 | *SvPVX(sv) = '\0'; | |
44a8e56a | 4452 | SvTAINT(sv); |
79072805 LW |
4453 | } |
4454 | if (GvAV(gv)) { | |
4455 | av_clear(GvAV(gv)); | |
4456 | } | |
44a8e56a | 4457 | if (GvHV(gv) && !HvNAME(GvHV(gv))) { |
463ee0b2 | 4458 | hv_clear(GvHV(gv)); |
a0d0e21e | 4459 | #ifndef VMS /* VMS has no environ array */ |
3280af22 | 4460 | if (gv == PL_envgv) |
79072805 | 4461 | environ[0] = Nullch; |
a0d0e21e | 4462 | #endif |
79072805 LW |
4463 | } |
4464 | } | |
4465 | } | |
4466 | } | |
4467 | } | |
4468 | ||
46fc3d4c | 4469 | IO* |
864dbfa3 | 4470 | Perl_sv_2io(pTHX_ SV *sv) |
46fc3d4c | 4471 | { |
4472 | IO* io; | |
4473 | GV* gv; | |
2d8e6c8d | 4474 | STRLEN n_a; |
46fc3d4c | 4475 | |
4476 | switch (SvTYPE(sv)) { | |
4477 | case SVt_PVIO: | |
4478 | io = (IO*)sv; | |
4479 | break; | |
4480 | case SVt_PVGV: | |
4481 | gv = (GV*)sv; | |
4482 | io = GvIO(gv); | |
4483 | if (!io) | |
cea2e8a9 | 4484 | Perl_croak(aTHX_ "Bad filehandle: %s", GvNAME(gv)); |
46fc3d4c | 4485 | break; |
4486 | default: | |
4487 | if (!SvOK(sv)) | |
cea2e8a9 | 4488 | Perl_croak(aTHX_ PL_no_usym, "filehandle"); |
46fc3d4c | 4489 | if (SvROK(sv)) |
4490 | return sv_2io(SvRV(sv)); | |
2d8e6c8d | 4491 | gv = gv_fetchpv(SvPV(sv,n_a), FALSE, SVt_PVIO); |
46fc3d4c | 4492 | if (gv) |
4493 | io = GvIO(gv); | |
4494 | else | |
4495 | io = 0; | |
4496 | if (!io) | |
cea2e8a9 | 4497 | Perl_croak(aTHX_ "Bad filehandle: %s", SvPV(sv,n_a)); |
46fc3d4c | 4498 | break; |
4499 | } | |
4500 | return io; | |
4501 | } | |
4502 | ||
79072805 | 4503 | CV * |
864dbfa3 | 4504 | Perl_sv_2cv(pTHX_ SV *sv, HV **st, GV **gvp, I32 lref) |
79072805 LW |
4505 | { |
4506 | GV *gv; | |
4507 | CV *cv; | |
2d8e6c8d | 4508 | STRLEN n_a; |
79072805 LW |
4509 | |
4510 | if (!sv) | |
93a17b20 | 4511 | return *gvp = Nullgv, Nullcv; |
79072805 | 4512 | switch (SvTYPE(sv)) { |
79072805 LW |
4513 | case SVt_PVCV: |
4514 | *st = CvSTASH(sv); | |
4515 | *gvp = Nullgv; | |
4516 | return (CV*)sv; | |
4517 | case SVt_PVHV: | |
4518 | case SVt_PVAV: | |
4519 | *gvp = Nullgv; | |
4520 | return Nullcv; | |
8990e307 LW |
4521 | case SVt_PVGV: |
4522 | gv = (GV*)sv; | |
a0d0e21e | 4523 | *gvp = gv; |
8990e307 LW |
4524 | *st = GvESTASH(gv); |
4525 | goto fix_gv; | |
4526 | ||
79072805 | 4527 | default: |
a0d0e21e LW |
4528 | if (SvGMAGICAL(sv)) |
4529 | mg_get(sv); | |
4530 | if (SvROK(sv)) { | |
0f4592ef | 4531 | dTHR; |
f5284f61 IZ |
4532 | SV **sp = &sv; /* Used in tryAMAGICunDEREF macro. */ |
4533 | tryAMAGICunDEREF(to_cv); | |
4534 | ||
62f274bf GS |
4535 | sv = SvRV(sv); |
4536 | if (SvTYPE(sv) == SVt_PVCV) { | |
4537 | cv = (CV*)sv; | |
4538 | *gvp = Nullgv; | |
4539 | *st = CvSTASH(cv); | |
4540 | return cv; | |
4541 | } | |
4542 | else if(isGV(sv)) | |
4543 | gv = (GV*)sv; | |
4544 | else | |
cea2e8a9 | 4545 | Perl_croak(aTHX_ "Not a subroutine reference"); |
a0d0e21e | 4546 | } |
62f274bf | 4547 | else if (isGV(sv)) |
79072805 LW |
4548 | gv = (GV*)sv; |
4549 | else | |
2d8e6c8d | 4550 | gv = gv_fetchpv(SvPV(sv, n_a), lref, SVt_PVCV); |
79072805 LW |
4551 | *gvp = gv; |
4552 | if (!gv) | |
4553 | return Nullcv; | |
4554 | *st = GvESTASH(gv); | |
8990e307 | 4555 | fix_gv: |
8ebc5c01 | 4556 | if (lref && !GvCVu(gv)) { |
4633a7c4 | 4557 | SV *tmpsv; |
748a9306 | 4558 | ENTER; |
4633a7c4 | 4559 | tmpsv = NEWSV(704,0); |
16660edb | 4560 | gv_efullname3(tmpsv, gv, Nullch); |
f6ec51f7 GS |
4561 | /* XXX this is probably not what they think they're getting. |
4562 | * It has the same effect as "sub name;", i.e. just a forward | |
4563 | * declaration! */ | |
774d564b | 4564 | newSUB(start_subparse(FALSE, 0), |
4633a7c4 LW |
4565 | newSVOP(OP_CONST, 0, tmpsv), |
4566 | Nullop, | |
8990e307 | 4567 | Nullop); |
748a9306 | 4568 | LEAVE; |
8ebc5c01 | 4569 | if (!GvCVu(gv)) |
cea2e8a9 | 4570 | Perl_croak(aTHX_ "Unable to create sub named \"%s\"", SvPV(sv,n_a)); |
8990e307 | 4571 | } |
8ebc5c01 | 4572 | return GvCVu(gv); |
79072805 LW |
4573 | } |
4574 | } | |
4575 | ||
79072805 | 4576 | I32 |
864dbfa3 | 4577 | Perl_sv_true(pTHX_ register SV *sv) |
79072805 | 4578 | { |
4e35701f | 4579 | dTHR; |
8990e307 LW |
4580 | if (!sv) |
4581 | return 0; | |
79072805 | 4582 | if (SvPOK(sv)) { |
4e35701f NIS |
4583 | register XPV* tXpv; |
4584 | if ((tXpv = (XPV*)SvANY(sv)) && | |
c2f1de04 | 4585 | (tXpv->xpv_cur > 1 || |
4e35701f | 4586 | (tXpv->xpv_cur && *tXpv->xpv_pv != '0'))) |
79072805 LW |
4587 | return 1; |
4588 | else | |
4589 | return 0; | |
4590 | } | |
4591 | else { | |
4592 | if (SvIOK(sv)) | |
463ee0b2 | 4593 | return SvIVX(sv) != 0; |
79072805 LW |
4594 | else { |
4595 | if (SvNOK(sv)) | |
463ee0b2 | 4596 | return SvNVX(sv) != 0.0; |
79072805 | 4597 | else |
463ee0b2 | 4598 | return sv_2bool(sv); |
79072805 LW |
4599 | } |
4600 | } | |
4601 | } | |
79072805 | 4602 | |
ff68c719 | 4603 | IV |
864dbfa3 | 4604 | Perl_sv_iv(pTHX_ register SV *sv) |
85e6fe83 | 4605 | { |
25da4f38 IZ |
4606 | if (SvIOK(sv)) { |
4607 | if (SvIsUV(sv)) | |
4608 | return (IV)SvUVX(sv); | |
ff68c719 | 4609 | return SvIVX(sv); |
25da4f38 | 4610 | } |
ff68c719 | 4611 | return sv_2iv(sv); |
85e6fe83 | 4612 | } |
85e6fe83 | 4613 | |
ff68c719 | 4614 | UV |
864dbfa3 | 4615 | Perl_sv_uv(pTHX_ register SV *sv) |
ff68c719 | 4616 | { |
25da4f38 IZ |
4617 | if (SvIOK(sv)) { |
4618 | if (SvIsUV(sv)) | |
4619 | return SvUVX(sv); | |
4620 | return (UV)SvIVX(sv); | |
4621 | } | |
ff68c719 | 4622 | return sv_2uv(sv); |
4623 | } | |
85e6fe83 | 4624 | |
65202027 | 4625 | NV |
864dbfa3 | 4626 | Perl_sv_nv(pTHX_ register SV *sv) |
79072805 | 4627 | { |
ff68c719 | 4628 | if (SvNOK(sv)) |
4629 | return SvNVX(sv); | |
4630 | return sv_2nv(sv); | |
79072805 | 4631 | } |
79072805 | 4632 | |
79072805 | 4633 | char * |
864dbfa3 | 4634 | Perl_sv_pv(pTHX_ SV *sv) |
1fa8b10d JD |
4635 | { |
4636 | STRLEN n_a; | |
4637 | ||
4638 | if (SvPOK(sv)) | |
4639 | return SvPVX(sv); | |
4640 | ||
4641 | return sv_2pv(sv, &n_a); | |
4642 | } | |
4643 | ||
4644 | char * | |
864dbfa3 | 4645 | Perl_sv_pvn(pTHX_ SV *sv, STRLEN *lp) |
79072805 | 4646 | { |
85e6fe83 LW |
4647 | if (SvPOK(sv)) { |
4648 | *lp = SvCUR(sv); | |
a0d0e21e | 4649 | return SvPVX(sv); |
85e6fe83 | 4650 | } |
463ee0b2 | 4651 | return sv_2pv(sv, lp); |
79072805 | 4652 | } |
79072805 | 4653 | |
a0d0e21e | 4654 | char * |
864dbfa3 | 4655 | Perl_sv_pvn_force(pTHX_ SV *sv, STRLEN *lp) |
a0d0e21e LW |
4656 | { |
4657 | char *s; | |
4658 | ||
6fc92669 GS |
4659 | if (SvTHINKFIRST(sv) && !SvROK(sv)) |
4660 | sv_force_normal(sv); | |
a0d0e21e LW |
4661 | |
4662 | if (SvPOK(sv)) { | |
4663 | *lp = SvCUR(sv); | |
4664 | } | |
4665 | else { | |
748a9306 | 4666 | if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) { |
6fc92669 | 4667 | dTHR; |
cea2e8a9 | 4668 | Perl_croak(aTHX_ "Can't coerce %s to string in %s", sv_reftype(sv,0), |
6fc92669 | 4669 | PL_op_name[PL_op->op_type]); |
a0d0e21e | 4670 | } |
4633a7c4 LW |
4671 | else |
4672 | s = sv_2pv(sv, lp); | |
a0d0e21e LW |
4673 | if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */ |
4674 | STRLEN len = *lp; | |
4675 | ||
4676 | if (SvROK(sv)) | |
4677 | sv_unref(sv); | |
4678 | (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */ | |
4679 | SvGROW(sv, len + 1); | |
4680 | Move(s,SvPVX(sv),len,char); | |
4681 | SvCUR_set(sv, len); | |
4682 | *SvEND(sv) = '\0'; | |
4683 | } | |
4684 | if (!SvPOK(sv)) { | |
4685 | SvPOK_on(sv); /* validate pointer */ | |
4686 | SvTAINT(sv); | |
1d7c1841 GS |
4687 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2pv(%s)\n", |
4688 | PTR2UV(sv),SvPVX(sv))); | |
a0d0e21e LW |
4689 | } |
4690 | } | |
4691 | return SvPVX(sv); | |
4692 | } | |
4693 | ||
4694 | char * | |
7340a771 GS |
4695 | Perl_sv_pvbyte(pTHX_ SV *sv) |
4696 | { | |
4697 | return sv_pv(sv); | |
4698 | } | |
4699 | ||
4700 | char * | |
4701 | Perl_sv_pvbyten(pTHX_ SV *sv, STRLEN *lp) | |
4702 | { | |
4703 | return sv_pvn(sv,lp); | |
4704 | } | |
4705 | ||
4706 | char * | |
4707 | Perl_sv_pvbyten_force(pTHX_ SV *sv, STRLEN *lp) | |
4708 | { | |
4709 | return sv_pvn_force(sv,lp); | |
4710 | } | |
4711 | ||
4712 | char * | |
4713 | Perl_sv_pvutf8(pTHX_ SV *sv) | |
4714 | { | |
4715 | return sv_pv(sv); | |
4716 | } | |
4717 | ||
4718 | char * | |
4719 | Perl_sv_pvutf8n(pTHX_ SV *sv, STRLEN *lp) | |
4720 | { | |
4721 | return sv_pvn(sv,lp); | |
4722 | } | |
4723 | ||
4724 | char * | |
4725 | Perl_sv_pvutf8n_force(pTHX_ SV *sv, STRLEN *lp) | |
4726 | { | |
4727 | return sv_pvn_force(sv,lp); | |
4728 | } | |
4729 | ||
4730 | char * | |
864dbfa3 | 4731 | Perl_sv_reftype(pTHX_ SV *sv, int ob) |
a0d0e21e LW |
4732 | { |
4733 | if (ob && SvOBJECT(sv)) | |
4734 | return HvNAME(SvSTASH(sv)); | |
4735 | else { | |
4736 | switch (SvTYPE(sv)) { | |
4737 | case SVt_NULL: | |
4738 | case SVt_IV: | |
4739 | case SVt_NV: | |
4740 | case SVt_RV: | |
4741 | case SVt_PV: | |
4742 | case SVt_PVIV: | |
4743 | case SVt_PVNV: | |
4744 | case SVt_PVMG: | |
4745 | case SVt_PVBM: | |
4746 | if (SvROK(sv)) | |
4747 | return "REF"; | |
4748 | else | |
4749 | return "SCALAR"; | |
4750 | case SVt_PVLV: return "LVALUE"; | |
4751 | case SVt_PVAV: return "ARRAY"; | |
4752 | case SVt_PVHV: return "HASH"; | |
4753 | case SVt_PVCV: return "CODE"; | |
4754 | case SVt_PVGV: return "GLOB"; | |
1d2dff63 | 4755 | case SVt_PVFM: return "FORMAT"; |
a0d0e21e LW |
4756 | default: return "UNKNOWN"; |
4757 | } | |
4758 | } | |
4759 | } | |
4760 | ||
463ee0b2 | 4761 | int |
864dbfa3 | 4762 | Perl_sv_isobject(pTHX_ SV *sv) |
85e6fe83 | 4763 | { |
68dc0745 | 4764 | if (!sv) |
4765 | return 0; | |
4766 | if (SvGMAGICAL(sv)) | |
4767 | mg_get(sv); | |
85e6fe83 LW |
4768 | if (!SvROK(sv)) |
4769 | return 0; | |
4770 | sv = (SV*)SvRV(sv); | |
4771 | if (!SvOBJECT(sv)) | |
4772 | return 0; | |
4773 | return 1; | |
4774 | } | |
4775 | ||
4776 | int | |
864dbfa3 | 4777 | Perl_sv_isa(pTHX_ SV *sv, const char *name) |
463ee0b2 | 4778 | { |
68dc0745 | 4779 | if (!sv) |
4780 | return 0; | |
4781 | if (SvGMAGICAL(sv)) | |
4782 | mg_get(sv); | |
ed6116ce | 4783 | if (!SvROK(sv)) |
463ee0b2 | 4784 | return 0; |
ed6116ce LW |
4785 | sv = (SV*)SvRV(sv); |
4786 | if (!SvOBJECT(sv)) | |
463ee0b2 LW |
4787 | return 0; |
4788 | ||
4789 | return strEQ(HvNAME(SvSTASH(sv)), name); | |
4790 | } | |
4791 | ||
4792 | SV* | |
864dbfa3 | 4793 | Perl_newSVrv(pTHX_ SV *rv, const char *classname) |
463ee0b2 | 4794 | { |
11343788 | 4795 | dTHR; |
463ee0b2 LW |
4796 | SV *sv; |
4797 | ||
4561caa4 | 4798 | new_SV(sv); |
51cf62d8 | 4799 | |
2213622d | 4800 | SV_CHECK_THINKFIRST(rv); |
51cf62d8 | 4801 | SvAMAGIC_off(rv); |
51cf62d8 OT |
4802 | |
4803 | if (SvTYPE(rv) < SVt_RV) | |
4804 | sv_upgrade(rv, SVt_RV); | |
4805 | ||
4806 | (void)SvOK_off(rv); | |
053fc874 | 4807 | SvRV(rv) = sv; |
ed6116ce | 4808 | SvROK_on(rv); |
463ee0b2 | 4809 | |
a0d0e21e LW |
4810 | if (classname) { |
4811 | HV* stash = gv_stashpv(classname, TRUE); | |
4812 | (void)sv_bless(rv, stash); | |
4813 | } | |
4814 | return sv; | |
4815 | } | |
4816 | ||
4817 | SV* | |
864dbfa3 | 4818 | Perl_sv_setref_pv(pTHX_ SV *rv, const char *classname, void *pv) |
a0d0e21e | 4819 | { |
189b2af5 | 4820 | if (!pv) { |
3280af22 | 4821 | sv_setsv(rv, &PL_sv_undef); |
189b2af5 GS |
4822 | SvSETMAGIC(rv); |
4823 | } | |
a0d0e21e | 4824 | else |
56431972 | 4825 | sv_setiv(newSVrv(rv,classname), PTR2IV(pv)); |
a0d0e21e LW |
4826 | return rv; |
4827 | } | |
4828 | ||
4829 | SV* | |
864dbfa3 | 4830 | Perl_sv_setref_iv(pTHX_ SV *rv, const char *classname, IV iv) |
a0d0e21e LW |
4831 | { |
4832 | sv_setiv(newSVrv(rv,classname), iv); | |
4833 | return rv; | |
4834 | } | |
4835 | ||
4836 | SV* | |
65202027 | 4837 | Perl_sv_setref_nv(pTHX_ SV *rv, const char *classname, NV nv) |
a0d0e21e LW |
4838 | { |
4839 | sv_setnv(newSVrv(rv,classname), nv); | |
4840 | return rv; | |
4841 | } | |
463ee0b2 | 4842 | |
a0d0e21e | 4843 | SV* |
864dbfa3 | 4844 | Perl_sv_setref_pvn(pTHX_ SV *rv, const char *classname, char *pv, STRLEN n) |
a0d0e21e LW |
4845 | { |
4846 | sv_setpvn(newSVrv(rv,classname), pv, n); | |
463ee0b2 LW |
4847 | return rv; |
4848 | } | |
4849 | ||
a0d0e21e | 4850 | SV* |
864dbfa3 | 4851 | Perl_sv_bless(pTHX_ SV *sv, HV *stash) |
a0d0e21e | 4852 | { |
11343788 | 4853 | dTHR; |
76e3520e | 4854 | SV *tmpRef; |
a0d0e21e | 4855 | if (!SvROK(sv)) |
cea2e8a9 | 4856 | Perl_croak(aTHX_ "Can't bless non-reference value"); |
76e3520e GS |
4857 | tmpRef = SvRV(sv); |
4858 | if (SvFLAGS(tmpRef) & (SVs_OBJECT|SVf_READONLY)) { | |
4859 | if (SvREADONLY(tmpRef)) | |
cea2e8a9 | 4860 | Perl_croak(aTHX_ PL_no_modify); |
76e3520e GS |
4861 | if (SvOBJECT(tmpRef)) { |
4862 | if (SvTYPE(tmpRef) != SVt_PVIO) | |
3280af22 | 4863 | --PL_sv_objcount; |
76e3520e | 4864 | SvREFCNT_dec(SvSTASH(tmpRef)); |
2e3febc6 | 4865 | } |
a0d0e21e | 4866 | } |
76e3520e GS |
4867 | SvOBJECT_on(tmpRef); |
4868 | if (SvTYPE(tmpRef) != SVt_PVIO) | |
3280af22 | 4869 | ++PL_sv_objcount; |
76e3520e GS |
4870 | (void)SvUPGRADE(tmpRef, SVt_PVMG); |
4871 | SvSTASH(tmpRef) = (HV*)SvREFCNT_inc(stash); | |
a0d0e21e | 4872 | |
2e3febc6 CS |
4873 | if (Gv_AMG(stash)) |
4874 | SvAMAGIC_on(sv); | |
4875 | else | |
4876 | SvAMAGIC_off(sv); | |
a0d0e21e LW |
4877 | |
4878 | return sv; | |
4879 | } | |
4880 | ||
76e3520e | 4881 | STATIC void |
cea2e8a9 | 4882 | S_sv_unglob(pTHX_ SV *sv) |
a0d0e21e LW |
4883 | { |
4884 | assert(SvTYPE(sv) == SVt_PVGV); | |
4885 | SvFAKE_off(sv); | |
4886 | if (GvGP(sv)) | |
1edc1566 | 4887 | gp_free((GV*)sv); |
e826b3c7 GS |
4888 | if (GvSTASH(sv)) { |
4889 | SvREFCNT_dec(GvSTASH(sv)); | |
4890 | GvSTASH(sv) = Nullhv; | |
4891 | } | |
a0d0e21e LW |
4892 | sv_unmagic(sv, '*'); |
4893 | Safefree(GvNAME(sv)); | |
a5f75d66 | 4894 | GvMULTI_off(sv); |
a0d0e21e LW |
4895 | SvFLAGS(sv) &= ~SVTYPEMASK; |
4896 | SvFLAGS(sv) |= SVt_PVMG; | |
4897 | } | |
4898 | ||
ed6116ce | 4899 | void |
864dbfa3 | 4900 | Perl_sv_unref(pTHX_ SV *sv) |
ed6116ce | 4901 | { |
a0d0e21e | 4902 | SV* rv = SvRV(sv); |
810b8aa5 GS |
4903 | |
4904 | if (SvWEAKREF(sv)) { | |
4905 | sv_del_backref(sv); | |
4906 | SvWEAKREF_off(sv); | |
4907 | SvRV(sv) = 0; | |
4908 | return; | |
4909 | } | |
ed6116ce LW |
4910 | SvRV(sv) = 0; |
4911 | SvROK_off(sv); | |
4633a7c4 LW |
4912 | if (SvREFCNT(rv) != 1 || SvREADONLY(rv)) |
4913 | SvREFCNT_dec(rv); | |
8e07c86e | 4914 | else |
4633a7c4 | 4915 | sv_2mortal(rv); /* Schedule for freeing later */ |
ed6116ce | 4916 | } |
8990e307 | 4917 | |
bbce6d69 | 4918 | void |
864dbfa3 | 4919 | Perl_sv_taint(pTHX_ SV *sv) |
bbce6d69 | 4920 | { |
4921 | sv_magic((sv), Nullsv, 't', Nullch, 0); | |
4922 | } | |
4923 | ||
4924 | void | |
864dbfa3 | 4925 | Perl_sv_untaint(pTHX_ SV *sv) |
bbce6d69 | 4926 | { |
13f57bf8 | 4927 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4928 | MAGIC *mg = mg_find(sv, 't'); |
4929 | if (mg) | |
565764a8 | 4930 | mg->mg_len &= ~1; |
36477c24 | 4931 | } |
bbce6d69 | 4932 | } |
4933 | ||
4934 | bool | |
864dbfa3 | 4935 | Perl_sv_tainted(pTHX_ SV *sv) |
bbce6d69 | 4936 | { |
13f57bf8 | 4937 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4938 | MAGIC *mg = mg_find(sv, 't'); |
565764a8 | 4939 | if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv)) |
36477c24 | 4940 | return TRUE; |
4941 | } | |
4942 | return FALSE; | |
bbce6d69 | 4943 | } |
4944 | ||
84902520 | 4945 | void |
864dbfa3 | 4946 | Perl_sv_setpviv(pTHX_ SV *sv, IV iv) |
84902520 | 4947 | { |
25da4f38 IZ |
4948 | char buf[TYPE_CHARS(UV)]; |
4949 | char *ebuf; | |
4950 | char *ptr = uiv_2buf(buf, iv, 0, 0, &ebuf); | |
84902520 | 4951 | |
25da4f38 | 4952 | sv_setpvn(sv, ptr, ebuf - ptr); |
84902520 TB |
4953 | } |
4954 | ||
ef50df4b GS |
4955 | |
4956 | void | |
864dbfa3 | 4957 | Perl_sv_setpviv_mg(pTHX_ SV *sv, IV iv) |
ef50df4b | 4958 | { |
25da4f38 IZ |
4959 | char buf[TYPE_CHARS(UV)]; |
4960 | char *ebuf; | |
4961 | char *ptr = uiv_2buf(buf, iv, 0, 0, &ebuf); | |
4962 | ||
4963 | sv_setpvn(sv, ptr, ebuf - ptr); | |
ef50df4b GS |
4964 | SvSETMAGIC(sv); |
4965 | } | |
4966 | ||
cea2e8a9 GS |
4967 | #if defined(PERL_IMPLICIT_CONTEXT) |
4968 | void | |
4969 | Perl_sv_setpvf_nocontext(SV *sv, const char* pat, ...) | |
4970 | { | |
4971 | dTHX; | |
4972 | va_list args; | |
4973 | va_start(args, pat); | |
c5be433b | 4974 | sv_vsetpvf(sv, pat, &args); |
cea2e8a9 GS |
4975 | va_end(args); |
4976 | } | |
4977 | ||
4978 | ||
4979 | void | |
4980 | Perl_sv_setpvf_mg_nocontext(SV *sv, const char* pat, ...) | |
4981 | { | |
4982 | dTHX; | |
4983 | va_list args; | |
4984 | va_start(args, pat); | |
c5be433b | 4985 | sv_vsetpvf_mg(sv, pat, &args); |
cea2e8a9 | 4986 | va_end(args); |
cea2e8a9 GS |
4987 | } |
4988 | #endif | |
4989 | ||
46fc3d4c | 4990 | void |
864dbfa3 | 4991 | Perl_sv_setpvf(pTHX_ SV *sv, const char* pat, ...) |
46fc3d4c | 4992 | { |
4993 | va_list args; | |
46fc3d4c | 4994 | va_start(args, pat); |
c5be433b | 4995 | sv_vsetpvf(sv, pat, &args); |
46fc3d4c | 4996 | va_end(args); |
4997 | } | |
4998 | ||
c5be433b GS |
4999 | void |
5000 | Perl_sv_vsetpvf(pTHX_ SV *sv, const char* pat, va_list* args) | |
5001 | { | |
5002 | sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); | |
5003 | } | |
ef50df4b | 5004 | |
ef50df4b | 5005 | void |
864dbfa3 | 5006 | Perl_sv_setpvf_mg(pTHX_ SV *sv, const char* pat, ...) |
ef50df4b GS |
5007 | { |
5008 | va_list args; | |
ef50df4b | 5009 | va_start(args, pat); |
c5be433b | 5010 | sv_vsetpvf_mg(sv, pat, &args); |
ef50df4b | 5011 | va_end(args); |
c5be433b GS |
5012 | } |
5013 | ||
5014 | void | |
5015 | Perl_sv_vsetpvf_mg(pTHX_ SV *sv, const char* pat, va_list* args) | |
5016 | { | |
5017 | sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); | |
ef50df4b GS |
5018 | SvSETMAGIC(sv); |
5019 | } | |
5020 | ||
cea2e8a9 GS |
5021 | #if defined(PERL_IMPLICIT_CONTEXT) |
5022 | void | |
5023 | Perl_sv_catpvf_nocontext(SV *sv, const char* pat, ...) | |
5024 | { | |
5025 | dTHX; | |
5026 | va_list args; | |
5027 | va_start(args, pat); | |
c5be433b | 5028 | sv_vcatpvf(sv, pat, &args); |
cea2e8a9 GS |
5029 | va_end(args); |
5030 | } | |
5031 | ||
5032 | void | |
5033 | Perl_sv_catpvf_mg_nocontext(SV *sv, const char* pat, ...) | |
5034 | { | |
5035 | dTHX; | |
5036 | va_list args; | |
5037 | va_start(args, pat); | |
c5be433b | 5038 | sv_vcatpvf_mg(sv, pat, &args); |
cea2e8a9 | 5039 | va_end(args); |
cea2e8a9 GS |
5040 | } |
5041 | #endif | |
5042 | ||
46fc3d4c | 5043 | void |
864dbfa3 | 5044 | Perl_sv_catpvf(pTHX_ SV *sv, const char* pat, ...) |
46fc3d4c | 5045 | { |
5046 | va_list args; | |
46fc3d4c | 5047 | va_start(args, pat); |
c5be433b | 5048 | sv_vcatpvf(sv, pat, &args); |
46fc3d4c | 5049 | va_end(args); |
5050 | } | |
5051 | ||
ef50df4b | 5052 | void |
c5be433b GS |
5053 | Perl_sv_vcatpvf(pTHX_ SV *sv, const char* pat, va_list* args) |
5054 | { | |
5055 | sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); | |
5056 | } | |
5057 | ||
5058 | void | |
864dbfa3 | 5059 | Perl_sv_catpvf_mg(pTHX_ SV *sv, const char* pat, ...) |
ef50df4b GS |
5060 | { |
5061 | va_list args; | |
ef50df4b | 5062 | va_start(args, pat); |
c5be433b | 5063 | sv_vcatpvf_mg(sv, pat, &args); |
ef50df4b | 5064 | va_end(args); |
c5be433b GS |
5065 | } |
5066 | ||
5067 | void | |
5068 | Perl_sv_vcatpvf_mg(pTHX_ SV *sv, const char* pat, va_list* args) | |
5069 | { | |
5070 | sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); | |
ef50df4b GS |
5071 | SvSETMAGIC(sv); |
5072 | } | |
5073 | ||
46fc3d4c | 5074 | void |
7d5ea4e7 | 5075 | Perl_sv_vsetpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *maybe_tainted) |
46fc3d4c | 5076 | { |
5077 | sv_setpvn(sv, "", 0); | |
7d5ea4e7 | 5078 | sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, maybe_tainted); |
46fc3d4c | 5079 | } |
5080 | ||
5081 | void | |
7d5ea4e7 | 5082 | Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *maybe_tainted) |
46fc3d4c | 5083 | { |
e858de61 | 5084 | dTHR; |
46fc3d4c | 5085 | char *p; |
5086 | char *q; | |
5087 | char *patend; | |
fc36a67e | 5088 | STRLEN origlen; |
46fc3d4c | 5089 | I32 svix = 0; |
c635e13b | 5090 | static char nullstr[] = "(null)"; |
46fc3d4c | 5091 | |
5092 | /* no matter what, this is a string now */ | |
fc36a67e | 5093 | (void)SvPV_force(sv, origlen); |
46fc3d4c | 5094 | |
fc36a67e | 5095 | /* special-case "", "%s", and "%_" */ |
46fc3d4c | 5096 | if (patlen == 0) |
5097 | return; | |
fc36a67e | 5098 | if (patlen == 2 && pat[0] == '%') { |
5099 | switch (pat[1]) { | |
5100 | case 's': | |
c635e13b | 5101 | if (args) { |
5102 | char *s = va_arg(*args, char*); | |
5103 | sv_catpv(sv, s ? s : nullstr); | |
5104 | } | |
fc36a67e | 5105 | else if (svix < svmax) |
5106 | sv_catsv(sv, *svargs); | |
5107 | return; | |
5108 | case '_': | |
5109 | if (args) { | |
5110 | sv_catsv(sv, va_arg(*args, SV*)); | |
5111 | return; | |
5112 | } | |
5113 | /* See comment on '_' below */ | |
5114 | break; | |
5115 | } | |
46fc3d4c | 5116 | } |
5117 | ||
5118 | patend = (char*)pat + patlen; | |
5119 | for (p = (char*)pat; p < patend; p = q) { | |
5120 | bool alt = FALSE; | |
5121 | bool left = FALSE; | |
5122 | char fill = ' '; | |
5123 | char plus = 0; | |
5124 | char intsize = 0; | |
5125 | STRLEN width = 0; | |
fc36a67e | 5126 | STRLEN zeros = 0; |
46fc3d4c | 5127 | bool has_precis = FALSE; |
5128 | STRLEN precis = 0; | |
5129 | ||
5130 | char esignbuf[4]; | |
dfe13c55 | 5131 | U8 utf8buf[10]; |
46fc3d4c | 5132 | STRLEN esignlen = 0; |
5133 | ||
5134 | char *eptr = Nullch; | |
fc36a67e | 5135 | STRLEN elen = 0; |
089c015b JH |
5136 | /* Times 4: a decimal digit takes more than 3 binary digits. |
5137 | * NV_DIG: mantissa takes than many decimal digits. | |
5138 | * Plus 32: Playing safe. */ | |
5139 | char ebuf[IV_DIG * 4 + NV_DIG + 32]; | |
2d4389e4 JH |
5140 | /* large enough for "%#.#f" --chip */ |
5141 | /* what about long double NVs? --jhi */ | |
46fc3d4c | 5142 | char c; |
5143 | int i; | |
5144 | unsigned base; | |
5145 | IV iv; | |
5146 | UV uv; | |
65202027 | 5147 | NV nv; |
46fc3d4c | 5148 | STRLEN have; |
5149 | STRLEN need; | |
5150 | STRLEN gap; | |
5151 | ||
5152 | for (q = p; q < patend && *q != '%'; ++q) ; | |
5153 | if (q > p) { | |
5154 | sv_catpvn(sv, p, q - p); | |
5155 | p = q; | |
5156 | } | |
5157 | if (q++ >= patend) | |
5158 | break; | |
5159 | ||
fc36a67e | 5160 | /* FLAGS */ |
5161 | ||
46fc3d4c | 5162 | while (*q) { |
5163 | switch (*q) { | |
5164 | case ' ': | |
5165 | case '+': | |
5166 | plus = *q++; | |
5167 | continue; | |
5168 | ||
5169 | case '-': | |
5170 | left = TRUE; | |
5171 | q++; | |
5172 | continue; | |
5173 | ||
5174 | case '0': | |
5175 | fill = *q++; | |
5176 | continue; | |
5177 | ||
5178 | case '#': | |
5179 | alt = TRUE; | |
5180 | q++; | |
5181 | continue; | |
5182 | ||
fc36a67e | 5183 | default: |
5184 | break; | |
5185 | } | |
5186 | break; | |
5187 | } | |
46fc3d4c | 5188 | |
fc36a67e | 5189 | /* WIDTH */ |
5190 | ||
5191 | switch (*q) { | |
5192 | case '1': case '2': case '3': | |
5193 | case '4': case '5': case '6': | |
5194 | case '7': case '8': case '9': | |
5195 | width = 0; | |
5196 | while (isDIGIT(*q)) | |
5197 | width = width * 10 + (*q++ - '0'); | |
5198 | break; | |
5199 | ||
5200 | case '*': | |
5201 | if (args) | |
5202 | i = va_arg(*args, int); | |
5203 | else | |
5204 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
5205 | left |= (i < 0); | |
5206 | width = (i < 0) ? -i : i; | |
5207 | q++; | |
5208 | break; | |
5209 | } | |
5210 | ||
5211 | /* PRECISION */ | |
46fc3d4c | 5212 | |
fc36a67e | 5213 | if (*q == '.') { |
5214 | q++; | |
5215 | if (*q == '*') { | |
46fc3d4c | 5216 | if (args) |
5217 | i = va_arg(*args, int); | |
5218 | else | |
5219 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
fc36a67e | 5220 | precis = (i < 0) ? 0 : i; |
46fc3d4c | 5221 | q++; |
fc36a67e | 5222 | } |
5223 | else { | |
5224 | precis = 0; | |
5225 | while (isDIGIT(*q)) | |
5226 | precis = precis * 10 + (*q++ - '0'); | |
5227 | } | |
5228 | has_precis = TRUE; | |
5229 | } | |
46fc3d4c | 5230 | |
fc36a67e | 5231 | /* SIZE */ |
46fc3d4c | 5232 | |
fc36a67e | 5233 | switch (*q) { |
6f9bb7fd GS |
5234 | #ifdef HAS_QUAD |
5235 | case 'L': /* Ld */ | |
5236 | case 'q': /* qd */ | |
5237 | intsize = 'q'; | |
5238 | q++; | |
5239 | break; | |
5240 | #endif | |
fc36a67e | 5241 | case 'l': |
cf2093f6 JH |
5242 | #ifdef HAS_QUAD |
5243 | if (*(q + 1) == 'l') { /* lld */ | |
fc36a67e | 5244 | intsize = 'q'; |
5245 | q += 2; | |
46fc3d4c | 5246 | break; |
cf2093f6 | 5247 | } |
fc36a67e | 5248 | #endif |
6f9bb7fd | 5249 | /* FALL THROUGH */ |
fc36a67e | 5250 | case 'h': |
cf2093f6 | 5251 | /* FALL THROUGH */ |
fc36a67e | 5252 | case 'V': |
5253 | intsize = *q++; | |
46fc3d4c | 5254 | break; |
5255 | } | |
5256 | ||
fc36a67e | 5257 | /* CONVERSION */ |
5258 | ||
46fc3d4c | 5259 | switch (c = *q++) { |
5260 | ||
5261 | /* STRINGS */ | |
5262 | ||
5263 | case '%': | |
5264 | eptr = q - 1; | |
5265 | elen = 1; | |
5266 | goto string; | |
5267 | ||
5268 | case 'c': | |
a0ed51b3 LW |
5269 | if (IN_UTF8) { |
5270 | if (args) | |
5271 | uv = va_arg(*args, int); | |
5272 | else | |
5273 | uv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
5274 | ||
dfe13c55 GS |
5275 | eptr = (char*)utf8buf; |
5276 | elen = uv_to_utf8((U8*)eptr, uv) - utf8buf; | |
a0ed51b3 LW |
5277 | goto string; |
5278 | } | |
46fc3d4c | 5279 | if (args) |
5280 | c = va_arg(*args, int); | |
5281 | else | |
5282 | c = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
5283 | eptr = &c; | |
5284 | elen = 1; | |
5285 | goto string; | |
5286 | ||
46fc3d4c | 5287 | case 's': |
5288 | if (args) { | |
fc36a67e | 5289 | eptr = va_arg(*args, char*); |
c635e13b | 5290 | if (eptr) |
1d7c1841 GS |
5291 | #ifdef MACOS_TRADITIONAL |
5292 | /* On MacOS, %#s format is used for Pascal strings */ | |
5293 | if (alt) | |
5294 | elen = *eptr++; | |
5295 | else | |
5296 | #endif | |
c635e13b | 5297 | elen = strlen(eptr); |
5298 | else { | |
5299 | eptr = nullstr; | |
5300 | elen = sizeof nullstr - 1; | |
5301 | } | |
46fc3d4c | 5302 | } |
a0ed51b3 | 5303 | else if (svix < svmax) { |
46fc3d4c | 5304 | eptr = SvPVx(svargs[svix++], elen); |
a0ed51b3 LW |
5305 | if (IN_UTF8) { |
5306 | if (has_precis && precis < elen) { | |
5307 | I32 p = precis; | |
5308 | sv_pos_u2b(svargs[svix - 1], &p, 0); /* sticks at end */ | |
5309 | precis = p; | |
5310 | } | |
5311 | if (width) { /* fudge width (can't fudge elen) */ | |
5312 | width += elen - sv_len_utf8(svargs[svix - 1]); | |
5313 | } | |
5314 | } | |
5315 | } | |
46fc3d4c | 5316 | goto string; |
5317 | ||
fc36a67e | 5318 | case '_': |
5319 | /* | |
5320 | * The "%_" hack might have to be changed someday, | |
5321 | * if ISO or ANSI decide to use '_' for something. | |
5322 | * So we keep it hidden from users' code. | |
5323 | */ | |
5324 | if (!args) | |
5325 | goto unknown; | |
5326 | eptr = SvPVx(va_arg(*args, SV*), elen); | |
5327 | ||
46fc3d4c | 5328 | string: |
5329 | if (has_precis && elen > precis) | |
5330 | elen = precis; | |
5331 | break; | |
5332 | ||
5333 | /* INTEGERS */ | |
5334 | ||
fc36a67e | 5335 | case 'p': |
5336 | if (args) | |
56431972 | 5337 | uv = PTR2UV(va_arg(*args, void*)); |
fc36a67e | 5338 | else |
56431972 | 5339 | uv = (svix < svmax) ? PTR2UV(svargs[svix++]) : 0; |
fc36a67e | 5340 | base = 16; |
5341 | goto integer; | |
5342 | ||
46fc3d4c | 5343 | case 'D': |
29fe7a80 | 5344 | #ifdef IV_IS_QUAD |
22f3ae8c | 5345 | intsize = 'q'; |
29fe7a80 | 5346 | #else |
46fc3d4c | 5347 | intsize = 'l'; |
29fe7a80 | 5348 | #endif |
46fc3d4c | 5349 | /* FALL THROUGH */ |
5350 | case 'd': | |
5351 | case 'i': | |
5352 | if (args) { | |
5353 | switch (intsize) { | |
5354 | case 'h': iv = (short)va_arg(*args, int); break; | |
5355 | default: iv = va_arg(*args, int); break; | |
5356 | case 'l': iv = va_arg(*args, long); break; | |
fc36a67e | 5357 | case 'V': iv = va_arg(*args, IV); break; |
cf2093f6 JH |
5358 | #ifdef HAS_QUAD |
5359 | case 'q': iv = va_arg(*args, Quad_t); break; | |
5360 | #endif | |
46fc3d4c | 5361 | } |
5362 | } | |
5363 | else { | |
5364 | iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
5365 | switch (intsize) { | |
5366 | case 'h': iv = (short)iv; break; | |
5367 | default: iv = (int)iv; break; | |
5368 | case 'l': iv = (long)iv; break; | |
fc36a67e | 5369 | case 'V': break; |
cf2093f6 JH |
5370 | #ifdef HAS_QUAD |
5371 | case 'q': iv = (Quad_t)iv; break; | |
5372 | #endif | |
46fc3d4c | 5373 | } |
5374 | } | |
5375 | if (iv >= 0) { | |
5376 | uv = iv; | |
5377 | if (plus) | |
5378 | esignbuf[esignlen++] = plus; | |
5379 | } | |
5380 | else { | |
5381 | uv = -iv; | |
5382 | esignbuf[esignlen++] = '-'; | |
5383 | } | |
5384 | base = 10; | |
5385 | goto integer; | |
5386 | ||
fc36a67e | 5387 | case 'U': |
29fe7a80 | 5388 | #ifdef IV_IS_QUAD |
22f3ae8c | 5389 | intsize = 'q'; |
29fe7a80 | 5390 | #else |
fc36a67e | 5391 | intsize = 'l'; |
29fe7a80 | 5392 | #endif |
fc36a67e | 5393 | /* FALL THROUGH */ |
5394 | case 'u': | |
5395 | base = 10; | |
5396 | goto uns_integer; | |
5397 | ||
4f19785b WSI |
5398 | case 'b': |
5399 | base = 2; | |
5400 | goto uns_integer; | |
5401 | ||
46fc3d4c | 5402 | case 'O': |
29fe7a80 | 5403 | #ifdef IV_IS_QUAD |
22f3ae8c | 5404 | intsize = 'q'; |
29fe7a80 | 5405 | #else |
46fc3d4c | 5406 | intsize = 'l'; |
29fe7a80 | 5407 | #endif |
46fc3d4c | 5408 | /* FALL THROUGH */ |
5409 | case 'o': | |
5410 | base = 8; | |
5411 | goto uns_integer; | |
5412 | ||
5413 | case 'X': | |
46fc3d4c | 5414 | case 'x': |
5415 | base = 16; | |
46fc3d4c | 5416 | |
5417 | uns_integer: | |
5418 | if (args) { | |
5419 | switch (intsize) { | |
5420 | case 'h': uv = (unsigned short)va_arg(*args, unsigned); break; | |
5421 | default: uv = va_arg(*args, unsigned); break; | |
5422 | case 'l': uv = va_arg(*args, unsigned long); break; | |
fc36a67e | 5423 | case 'V': uv = va_arg(*args, UV); break; |
cf2093f6 JH |
5424 | #ifdef HAS_QUAD |
5425 | case 'q': uv = va_arg(*args, Quad_t); break; | |
5426 | #endif | |
46fc3d4c | 5427 | } |
5428 | } | |
5429 | else { | |
5430 | uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0; | |
5431 | switch (intsize) { | |
5432 | case 'h': uv = (unsigned short)uv; break; | |
5433 | default: uv = (unsigned)uv; break; | |
5434 | case 'l': uv = (unsigned long)uv; break; | |
fc36a67e | 5435 | case 'V': break; |
cf2093f6 JH |
5436 | #ifdef HAS_QUAD |
5437 | case 'q': uv = (Quad_t)uv; break; | |
5438 | #endif | |
46fc3d4c | 5439 | } |
5440 | } | |
5441 | ||
5442 | integer: | |
46fc3d4c | 5443 | eptr = ebuf + sizeof ebuf; |
fc36a67e | 5444 | switch (base) { |
5445 | unsigned dig; | |
5446 | case 16: | |
c10ed8b9 HS |
5447 | if (!uv) |
5448 | alt = FALSE; | |
1d7c1841 GS |
5449 | p = (char*)((c == 'X') |
5450 | ? "0123456789ABCDEF" : "0123456789abcdef"); | |
fc36a67e | 5451 | do { |
5452 | dig = uv & 15; | |
5453 | *--eptr = p[dig]; | |
5454 | } while (uv >>= 4); | |
5455 | if (alt) { | |
46fc3d4c | 5456 | esignbuf[esignlen++] = '0'; |
fc36a67e | 5457 | esignbuf[esignlen++] = c; /* 'x' or 'X' */ |
46fc3d4c | 5458 | } |
fc36a67e | 5459 | break; |
5460 | case 8: | |
5461 | do { | |
5462 | dig = uv & 7; | |
5463 | *--eptr = '0' + dig; | |
5464 | } while (uv >>= 3); | |
5465 | if (alt && *eptr != '0') | |
5466 | *--eptr = '0'; | |
5467 | break; | |
4f19785b WSI |
5468 | case 2: |
5469 | do { | |
5470 | dig = uv & 1; | |
5471 | *--eptr = '0' + dig; | |
5472 | } while (uv >>= 1); | |
eda88b6d JH |
5473 | if (alt) { |
5474 | esignbuf[esignlen++] = '0'; | |
7481bb52 | 5475 | esignbuf[esignlen++] = 'b'; |
eda88b6d | 5476 | } |
4f19785b | 5477 | break; |
fc36a67e | 5478 | default: /* it had better be ten or less */ |
6bc102ca GS |
5479 | #if defined(PERL_Y2KWARN) |
5480 | if (ckWARN(WARN_MISC)) { | |
5481 | STRLEN n; | |
5482 | char *s = SvPV(sv,n); | |
5483 | if (n >= 2 && s[n-2] == '1' && s[n-1] == '9' | |
5484 | && (n == 2 || !isDIGIT(s[n-3]))) | |
5485 | { | |
5486 | Perl_warner(aTHX_ WARN_MISC, | |
5487 | "Possible Y2K bug: %%%c %s", | |
5488 | c, "format string following '19'"); | |
5489 | } | |
5490 | } | |
5491 | #endif | |
fc36a67e | 5492 | do { |
5493 | dig = uv % base; | |
5494 | *--eptr = '0' + dig; | |
5495 | } while (uv /= base); | |
5496 | break; | |
46fc3d4c | 5497 | } |
5498 | elen = (ebuf + sizeof ebuf) - eptr; | |
c10ed8b9 HS |
5499 | if (has_precis) { |
5500 | if (precis > elen) | |
5501 | zeros = precis - elen; | |
5502 | else if (precis == 0 && elen == 1 && *eptr == '0') | |
5503 | elen = 0; | |
5504 | } | |
46fc3d4c | 5505 | break; |
5506 | ||
5507 | /* FLOATING POINT */ | |
5508 | ||
fc36a67e | 5509 | case 'F': |
5510 | c = 'f'; /* maybe %F isn't supported here */ | |
5511 | /* FALL THROUGH */ | |
46fc3d4c | 5512 | case 'e': case 'E': |
fc36a67e | 5513 | case 'f': |
46fc3d4c | 5514 | case 'g': case 'G': |
5515 | ||
5516 | /* This is evil, but floating point is even more evil */ | |
5517 | ||
fc36a67e | 5518 | if (args) |
65202027 | 5519 | nv = va_arg(*args, NV); |
fc36a67e | 5520 | else |
5521 | nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0; | |
5522 | ||
5523 | need = 0; | |
5524 | if (c != 'e' && c != 'E') { | |
5525 | i = PERL_INT_MIN; | |
5526 | (void)frexp(nv, &i); | |
5527 | if (i == PERL_INT_MIN) | |
cea2e8a9 | 5528 | Perl_die(aTHX_ "panic: frexp"); |
c635e13b | 5529 | if (i > 0) |
fc36a67e | 5530 | need = BIT_DIGITS(i); |
5531 | } | |
5532 | need += has_precis ? precis : 6; /* known default */ | |
5533 | if (need < width) | |
5534 | need = width; | |
5535 | ||
46fc3d4c | 5536 | need += 20; /* fudge factor */ |
80252599 GS |
5537 | if (PL_efloatsize < need) { |
5538 | Safefree(PL_efloatbuf); | |
5539 | PL_efloatsize = need + 20; /* more fudge */ | |
5540 | New(906, PL_efloatbuf, PL_efloatsize, char); | |
7d5ea4e7 | 5541 | PL_efloatbuf[0] = '\0'; |
46fc3d4c | 5542 | } |
5543 | ||
5544 | eptr = ebuf + sizeof ebuf; | |
5545 | *--eptr = '\0'; | |
5546 | *--eptr = c; | |
65202027 | 5547 | #ifdef USE_LONG_DOUBLE |
cf2093f6 | 5548 | { |
db618c41 | 5549 | char* p = PERL_PRIfldbl + sizeof(PERL_PRIfldbl) - 3; |
b0ce926a | 5550 | while (p >= PERL_PRIfldbl) { *--eptr = *p--; } |
cf2093f6 | 5551 | } |
65202027 | 5552 | #endif |
46fc3d4c | 5553 | if (has_precis) { |
5554 | base = precis; | |
5555 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
5556 | *--eptr = '.'; | |
5557 | } | |
5558 | if (width) { | |
5559 | base = width; | |
5560 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
5561 | } | |
5562 | if (fill == '0') | |
5563 | *--eptr = fill; | |
84902520 TB |
5564 | if (left) |
5565 | *--eptr = '-'; | |
46fc3d4c | 5566 | if (plus) |
5567 | *--eptr = plus; | |
5568 | if (alt) | |
5569 | *--eptr = '#'; | |
5570 | *--eptr = '%'; | |
5571 | ||
097ee67d JH |
5572 | { |
5573 | RESTORE_NUMERIC_STANDARD(); | |
5574 | (void)sprintf(PL_efloatbuf, eptr, nv); | |
5575 | RESTORE_NUMERIC_LOCAL(); | |
5576 | } | |
46fc3d4c | 5577 | |
80252599 GS |
5578 | eptr = PL_efloatbuf; |
5579 | elen = strlen(PL_efloatbuf); | |
46fc3d4c | 5580 | break; |
5581 | ||
fc36a67e | 5582 | /* SPECIAL */ |
5583 | ||
5584 | case 'n': | |
5585 | i = SvCUR(sv) - origlen; | |
5586 | if (args) { | |
c635e13b | 5587 | switch (intsize) { |
5588 | case 'h': *(va_arg(*args, short*)) = i; break; | |
5589 | default: *(va_arg(*args, int*)) = i; break; | |
5590 | case 'l': *(va_arg(*args, long*)) = i; break; | |
5591 | case 'V': *(va_arg(*args, IV*)) = i; break; | |
cf2093f6 JH |
5592 | #ifdef HAS_QUAD |
5593 | case 'q': *(va_arg(*args, Quad_t*)) = i; break; | |
5594 | #endif | |
c635e13b | 5595 | } |
fc36a67e | 5596 | } |
5597 | else if (svix < svmax) | |
5598 | sv_setuv(svargs[svix++], (UV)i); | |
5599 | continue; /* not "break" */ | |
5600 | ||
5601 | /* UNKNOWN */ | |
5602 | ||
46fc3d4c | 5603 | default: |
fc36a67e | 5604 | unknown: |
599cee73 | 5605 | if (!args && ckWARN(WARN_PRINTF) && |
533c011a | 5606 | (PL_op->op_type == OP_PRTF || PL_op->op_type == OP_SPRINTF)) { |
c635e13b | 5607 | SV *msg = sv_newmortal(); |
cea2e8a9 | 5608 | Perl_sv_setpvf(aTHX_ msg, "Invalid conversion in %s: ", |
533c011a | 5609 | (PL_op->op_type == OP_PRTF) ? "printf" : "sprintf"); |
0f4b6630 | 5610 | if (c) { |
0f4b6630 JH |
5611 | if (isPRINT(c)) |
5612 | Perl_sv_catpvf(aTHX_ msg, | |
5613 | "\"%%%c\"", c & 0xFF); | |
5614 | else | |
5615 | Perl_sv_catpvf(aTHX_ msg, | |
57def98f | 5616 | "\"%%\\%03"UVof"\"", |
0f4b6630 | 5617 | (UV)c & 0xFF); |
0f4b6630 | 5618 | } else |
c635e13b | 5619 | sv_catpv(msg, "end of string"); |
894356b3 | 5620 | Perl_warner(aTHX_ WARN_PRINTF, "%"SVf, msg); /* yes, this is reentrant */ |
c635e13b | 5621 | } |
fb73857a | 5622 | |
5623 | /* output mangled stuff ... */ | |
5624 | if (c == '\0') | |
5625 | --q; | |
46fc3d4c | 5626 | eptr = p; |
5627 | elen = q - p; | |
fb73857a | 5628 | |
5629 | /* ... right here, because formatting flags should not apply */ | |
5630 | SvGROW(sv, SvCUR(sv) + elen + 1); | |
5631 | p = SvEND(sv); | |
5632 | memcpy(p, eptr, elen); | |
5633 | p += elen; | |
5634 | *p = '\0'; | |
5635 | SvCUR(sv) = p - SvPVX(sv); | |
5636 | continue; /* not "break" */ | |
46fc3d4c | 5637 | } |
5638 | ||
fc36a67e | 5639 | have = esignlen + zeros + elen; |
46fc3d4c | 5640 | need = (have > width ? have : width); |
5641 | gap = need - have; | |
5642 | ||
7bc39d62 | 5643 | SvGROW(sv, SvCUR(sv) + need + 1); |
46fc3d4c | 5644 | p = SvEND(sv); |
5645 | if (esignlen && fill == '0') { | |
5646 | for (i = 0; i < esignlen; i++) | |
5647 | *p++ = esignbuf[i]; | |
5648 | } | |
5649 | if (gap && !left) { | |
5650 | memset(p, fill, gap); | |
5651 | p += gap; | |
5652 | } | |
5653 | if (esignlen && fill != '0') { | |
5654 | for (i = 0; i < esignlen; i++) | |
5655 | *p++ = esignbuf[i]; | |
5656 | } | |
fc36a67e | 5657 | if (zeros) { |
5658 | for (i = zeros; i; i--) | |
5659 | *p++ = '0'; | |
5660 | } | |
46fc3d4c | 5661 | if (elen) { |
5662 | memcpy(p, eptr, elen); | |
5663 | p += elen; | |
5664 | } | |
5665 | if (gap && left) { | |
5666 | memset(p, ' ', gap); | |
5667 | p += gap; | |
5668 | } | |
5669 | *p = '\0'; | |
5670 | SvCUR(sv) = p - SvPVX(sv); | |
5671 | } | |
5672 | } | |
51371543 | 5673 | |
1d7c1841 GS |
5674 | #if defined(USE_ITHREADS) |
5675 | ||
5676 | #if defined(USE_THREADS) | |
5677 | # include "error: USE_THREADS and USE_ITHREADS are incompatible" | |
5678 | #endif | |
5679 | ||
5680 | #ifndef OpREFCNT_inc | |
5681 | # define OpREFCNT_inc(o) ((o) ? (++(o)->op_targ, (o)) : Nullop) | |
5682 | #endif | |
5683 | ||
5684 | #ifndef GpREFCNT_inc | |
5685 | # define GpREFCNT_inc(gp) ((gp) ? (++(gp)->gp_refcnt, (gp)) : (GP*)NULL) | |
5686 | #endif | |
5687 | ||
5688 | ||
5689 | #define sv_dup_inc(s) SvREFCNT_inc(sv_dup(s)) | |
5690 | #define av_dup(s) (AV*)sv_dup((SV*)s) | |
5691 | #define av_dup_inc(s) (AV*)SvREFCNT_inc(sv_dup((SV*)s)) | |
5692 | #define hv_dup(s) (HV*)sv_dup((SV*)s) | |
5693 | #define hv_dup_inc(s) (HV*)SvREFCNT_inc(sv_dup((SV*)s)) | |
5694 | #define cv_dup(s) (CV*)sv_dup((SV*)s) | |
5695 | #define cv_dup_inc(s) (CV*)SvREFCNT_inc(sv_dup((SV*)s)) | |
5696 | #define io_dup(s) (IO*)sv_dup((SV*)s) | |
5697 | #define io_dup_inc(s) (IO*)SvREFCNT_inc(sv_dup((SV*)s)) | |
5698 | #define gv_dup(s) (GV*)sv_dup((SV*)s) | |
5699 | #define gv_dup_inc(s) (GV*)SvREFCNT_inc(sv_dup((SV*)s)) | |
5700 | #define SAVEPV(p) (p ? savepv(p) : Nullch) | |
5701 | #define SAVEPVN(p,n) (p ? savepvn(p,n) : Nullch) | |
5702 | ||
5703 | REGEXP * | |
5704 | Perl_re_dup(pTHX_ REGEXP *r) | |
5705 | { | |
5706 | /* XXX fix when pmop->op_pmregexp becomes shared */ | |
5707 | return ReREFCNT_inc(r); | |
5708 | } | |
5709 | ||
5710 | PerlIO * | |
5711 | Perl_fp_dup(pTHX_ PerlIO *fp, char type) | |
5712 | { | |
5713 | PerlIO *ret; | |
5714 | if (!fp) | |
5715 | return (PerlIO*)NULL; | |
5716 | ||
5717 | /* look for it in the table first */ | |
5718 | ret = (PerlIO*)ptr_table_fetch(PL_ptr_table, fp); | |
5719 | if (ret) | |
5720 | return ret; | |
5721 | ||
5722 | /* create anew and remember what it is */ | |
5723 | ret = PerlIO_fdupopen(fp); | |
5724 | ptr_table_store(PL_ptr_table, fp, ret); | |
5725 | return ret; | |
5726 | } | |
5727 | ||
5728 | DIR * | |
5729 | Perl_dirp_dup(pTHX_ DIR *dp) | |
5730 | { | |
5731 | if (!dp) | |
5732 | return (DIR*)NULL; | |
5733 | /* XXX TODO */ | |
5734 | return dp; | |
5735 | } | |
5736 | ||
5737 | GP * | |
5738 | Perl_gp_dup(pTHX_ GP *gp) | |
5739 | { | |
5740 | GP *ret; | |
5741 | if (!gp) | |
5742 | return (GP*)NULL; | |
5743 | /* look for it in the table first */ | |
5744 | ret = (GP*)ptr_table_fetch(PL_ptr_table, gp); | |
5745 | if (ret) | |
5746 | return ret; | |
5747 | ||
5748 | /* create anew and remember what it is */ | |
5749 | Newz(0, ret, 1, GP); | |
5750 | ptr_table_store(PL_ptr_table, gp, ret); | |
5751 | ||
5752 | /* clone */ | |
5753 | ret->gp_refcnt = 0; /* must be before any other dups! */ | |
5754 | ret->gp_sv = sv_dup_inc(gp->gp_sv); | |
5755 | ret->gp_io = io_dup_inc(gp->gp_io); | |
5756 | ret->gp_form = cv_dup_inc(gp->gp_form); | |
5757 | ret->gp_av = av_dup_inc(gp->gp_av); | |
5758 | ret->gp_hv = hv_dup_inc(gp->gp_hv); | |
5759 | ret->gp_egv = gv_dup(gp->gp_egv); /* GvEGV is not refcounted */ | |
5760 | ret->gp_cv = cv_dup_inc(gp->gp_cv); | |
5761 | ret->gp_cvgen = gp->gp_cvgen; | |
5762 | ret->gp_flags = gp->gp_flags; | |
5763 | ret->gp_line = gp->gp_line; | |
5764 | ret->gp_file = gp->gp_file; /* points to COP.cop_file */ | |
5765 | return ret; | |
5766 | } | |
5767 | ||
5768 | MAGIC * | |
5769 | Perl_mg_dup(pTHX_ MAGIC *mg) | |
5770 | { | |
5771 | MAGIC *mgret = (MAGIC*)NULL; | |
5772 | MAGIC *mgprev; | |
5773 | if (!mg) | |
5774 | return (MAGIC*)NULL; | |
5775 | /* look for it in the table first */ | |
5776 | mgret = (MAGIC*)ptr_table_fetch(PL_ptr_table, mg); | |
5777 | if (mgret) | |
5778 | return mgret; | |
5779 | ||
5780 | for (; mg; mg = mg->mg_moremagic) { | |
5781 | MAGIC *nmg; | |
5782 | Newz(0, nmg, 1, MAGIC); | |
5783 | if (!mgret) | |
5784 | mgret = nmg; | |
5785 | else | |
5786 | mgprev->mg_moremagic = nmg; | |
5787 | nmg->mg_virtual = mg->mg_virtual; /* XXX copy dynamic vtable? */ | |
5788 | nmg->mg_private = mg->mg_private; | |
5789 | nmg->mg_type = mg->mg_type; | |
5790 | nmg->mg_flags = mg->mg_flags; | |
5791 | if (mg->mg_type == 'r') { | |
5792 | nmg->mg_obj = (SV*)re_dup((REGEXP*)mg->mg_obj); | |
5793 | } | |
5794 | else { | |
5795 | nmg->mg_obj = (mg->mg_flags & MGf_REFCOUNTED) | |
5796 | ? sv_dup_inc(mg->mg_obj) | |
5797 | : sv_dup(mg->mg_obj); | |
5798 | } | |
5799 | nmg->mg_len = mg->mg_len; | |
5800 | nmg->mg_ptr = mg->mg_ptr; /* XXX random ptr? */ | |
5801 | if (mg->mg_ptr && mg->mg_type != 'g') { | |
5802 | if (mg->mg_len >= 0) { | |
5803 | nmg->mg_ptr = SAVEPVN(mg->mg_ptr, mg->mg_len); | |
5804 | if (mg->mg_type == 'c' && AMT_AMAGIC((AMT*)mg->mg_ptr)) { | |
5805 | AMT *amtp = (AMT*)mg->mg_ptr; | |
5806 | AMT *namtp = (AMT*)nmg->mg_ptr; | |
5807 | I32 i; | |
5808 | for (i = 1; i < NofAMmeth; i++) { | |
5809 | namtp->table[i] = cv_dup_inc(amtp->table[i]); | |
5810 | } | |
5811 | } | |
5812 | } | |
5813 | else if (mg->mg_len == HEf_SVKEY) | |
5814 | nmg->mg_ptr = (char*)sv_dup_inc((SV*)mg->mg_ptr); | |
5815 | } | |
5816 | mgprev = nmg; | |
5817 | } | |
5818 | return mgret; | |
5819 | } | |
5820 | ||
5821 | PTR_TBL_t * | |
5822 | Perl_ptr_table_new(pTHX) | |
5823 | { | |
5824 | PTR_TBL_t *tbl; | |
5825 | Newz(0, tbl, 1, PTR_TBL_t); | |
5826 | tbl->tbl_max = 511; | |
5827 | tbl->tbl_items = 0; | |
5828 | Newz(0, tbl->tbl_ary, tbl->tbl_max + 1, PTR_TBL_ENT_t*); | |
5829 | return tbl; | |
5830 | } | |
5831 | ||
5832 | void * | |
5833 | Perl_ptr_table_fetch(pTHX_ PTR_TBL_t *tbl, void *sv) | |
5834 | { | |
5835 | PTR_TBL_ENT_t *tblent; | |
5836 | UV hash = (UV)sv; | |
5837 | assert(tbl); | |
5838 | tblent = tbl->tbl_ary[hash & tbl->tbl_max]; | |
5839 | for (; tblent; tblent = tblent->next) { | |
5840 | if (tblent->oldval == sv) | |
5841 | return tblent->newval; | |
5842 | } | |
5843 | return (void*)NULL; | |
5844 | } | |
5845 | ||
5846 | void | |
5847 | Perl_ptr_table_store(pTHX_ PTR_TBL_t *tbl, void *oldv, void *newv) | |
5848 | { | |
5849 | PTR_TBL_ENT_t *tblent, **otblent; | |
5850 | /* XXX this may be pessimal on platforms where pointers aren't good | |
5851 | * hash values e.g. if they grow faster in the most significant | |
5852 | * bits */ | |
5853 | UV hash = (UV)oldv; | |
5854 | bool i = 1; | |
5855 | ||
5856 | assert(tbl); | |
5857 | otblent = &tbl->tbl_ary[hash & tbl->tbl_max]; | |
5858 | for (tblent = *otblent; tblent; i=0, tblent = tblent->next) { | |
5859 | if (tblent->oldval == oldv) { | |
5860 | tblent->newval = newv; | |
5861 | tbl->tbl_items++; | |
5862 | return; | |
5863 | } | |
5864 | } | |
5865 | Newz(0, tblent, 1, PTR_TBL_ENT_t); | |
5866 | tblent->oldval = oldv; | |
5867 | tblent->newval = newv; | |
5868 | tblent->next = *otblent; | |
5869 | *otblent = tblent; | |
5870 | tbl->tbl_items++; | |
5871 | if (i && tbl->tbl_items > tbl->tbl_max) | |
5872 | ptr_table_split(tbl); | |
5873 | } | |
5874 | ||
5875 | void | |
5876 | Perl_ptr_table_split(pTHX_ PTR_TBL_t *tbl) | |
5877 | { | |
5878 | PTR_TBL_ENT_t **ary = tbl->tbl_ary; | |
5879 | UV oldsize = tbl->tbl_max + 1; | |
5880 | UV newsize = oldsize * 2; | |
5881 | UV i; | |
5882 | ||
5883 | Renew(ary, newsize, PTR_TBL_ENT_t*); | |
5884 | Zero(&ary[oldsize], newsize-oldsize, PTR_TBL_ENT_t*); | |
5885 | tbl->tbl_max = --newsize; | |
5886 | tbl->tbl_ary = ary; | |
5887 | for (i=0; i < oldsize; i++, ary++) { | |
5888 | PTR_TBL_ENT_t **curentp, **entp, *ent; | |
5889 | if (!*ary) | |
5890 | continue; | |
5891 | curentp = ary + oldsize; | |
5892 | for (entp = ary, ent = *ary; ent; ent = *entp) { | |
5893 | if ((newsize & (UV)ent->oldval) != i) { | |
5894 | *entp = ent->next; | |
5895 | ent->next = *curentp; | |
5896 | *curentp = ent; | |
5897 | continue; | |
5898 | } | |
5899 | else | |
5900 | entp = &ent->next; | |
5901 | } | |
5902 | } | |
5903 | } | |
5904 | ||
5905 | #ifdef DEBUGGING | |
5906 | char *PL_watch_pvx; | |
5907 | #endif | |
5908 | ||
5909 | SV * | |
5910 | Perl_sv_dup(pTHX_ SV *sstr) | |
5911 | { | |
5912 | U32 sflags; | |
5913 | int dtype; | |
5914 | int stype; | |
5915 | SV *dstr; | |
5916 | ||
5917 | if (!sstr || SvTYPE(sstr) == SVTYPEMASK) | |
5918 | return Nullsv; | |
5919 | /* look for it in the table first */ | |
5920 | dstr = (SV*)ptr_table_fetch(PL_ptr_table, sstr); | |
5921 | if (dstr) | |
5922 | return dstr; | |
5923 | ||
5924 | /* create anew and remember what it is */ | |
5925 | new_SV(dstr); | |
5926 | ptr_table_store(PL_ptr_table, sstr, dstr); | |
5927 | ||
5928 | /* clone */ | |
5929 | SvFLAGS(dstr) = SvFLAGS(sstr); | |
5930 | SvFLAGS(dstr) &= ~SVf_OOK; /* don't propagate OOK hack */ | |
5931 | SvREFCNT(dstr) = 0; /* must be before any other dups! */ | |
5932 | ||
5933 | #ifdef DEBUGGING | |
5934 | if (SvANY(sstr) && PL_watch_pvx && SvPVX(sstr) == PL_watch_pvx) | |
5935 | PerlIO_printf(Perl_debug_log, "watch at %p hit, found string \"%s\"\n", | |
5936 | PL_watch_pvx, SvPVX(sstr)); | |
5937 | #endif | |
5938 | ||
5939 | switch (SvTYPE(sstr)) { | |
5940 | case SVt_NULL: | |
5941 | SvANY(dstr) = NULL; | |
5942 | break; | |
5943 | case SVt_IV: | |
5944 | SvANY(dstr) = new_XIV(); | |
5945 | SvIVX(dstr) = SvIVX(sstr); | |
5946 | break; | |
5947 | case SVt_NV: | |
5948 | SvANY(dstr) = new_XNV(); | |
5949 | SvNVX(dstr) = SvNVX(sstr); | |
5950 | break; | |
5951 | case SVt_RV: | |
5952 | SvANY(dstr) = new_XRV(); | |
5953 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); | |
5954 | break; | |
5955 | case SVt_PV: | |
5956 | SvANY(dstr) = new_XPV(); | |
5957 | SvCUR(dstr) = SvCUR(sstr); | |
5958 | SvLEN(dstr) = SvLEN(sstr); | |
5959 | if (SvROK(sstr)) | |
5960 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); | |
5961 | else if (SvPVX(sstr) && SvLEN(sstr)) | |
5962 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); | |
5963 | else | |
5964 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ | |
5965 | break; | |
5966 | case SVt_PVIV: | |
5967 | SvANY(dstr) = new_XPVIV(); | |
5968 | SvCUR(dstr) = SvCUR(sstr); | |
5969 | SvLEN(dstr) = SvLEN(sstr); | |
5970 | SvIVX(dstr) = SvIVX(sstr); | |
5971 | if (SvROK(sstr)) | |
5972 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); | |
5973 | else if (SvPVX(sstr) && SvLEN(sstr)) | |
5974 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); | |
5975 | else | |
5976 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ | |
5977 | break; | |
5978 | case SVt_PVNV: | |
5979 | SvANY(dstr) = new_XPVNV(); | |
5980 | SvCUR(dstr) = SvCUR(sstr); | |
5981 | SvLEN(dstr) = SvLEN(sstr); | |
5982 | SvIVX(dstr) = SvIVX(sstr); | |
5983 | SvNVX(dstr) = SvNVX(sstr); | |
5984 | if (SvROK(sstr)) | |
5985 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); | |
5986 | else if (SvPVX(sstr) && SvLEN(sstr)) | |
5987 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); | |
5988 | else | |
5989 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ | |
5990 | break; | |
5991 | case SVt_PVMG: | |
5992 | SvANY(dstr) = new_XPVMG(); | |
5993 | SvCUR(dstr) = SvCUR(sstr); | |
5994 | SvLEN(dstr) = SvLEN(sstr); | |
5995 | SvIVX(dstr) = SvIVX(sstr); | |
5996 | SvNVX(dstr) = SvNVX(sstr); | |
5997 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); | |
5998 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); | |
5999 | if (SvROK(sstr)) | |
6000 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); | |
6001 | else if (SvPVX(sstr) && SvLEN(sstr)) | |
6002 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); | |
6003 | else | |
6004 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ | |
6005 | break; | |
6006 | case SVt_PVBM: | |
6007 | SvANY(dstr) = new_XPVBM(); | |
6008 | SvCUR(dstr) = SvCUR(sstr); | |
6009 | SvLEN(dstr) = SvLEN(sstr); | |
6010 | SvIVX(dstr) = SvIVX(sstr); | |
6011 | SvNVX(dstr) = SvNVX(sstr); | |
6012 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); | |
6013 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); | |
6014 | if (SvROK(sstr)) | |
6015 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); | |
6016 | else if (SvPVX(sstr) && SvLEN(sstr)) | |
6017 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); | |
6018 | else | |
6019 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ | |
6020 | BmRARE(dstr) = BmRARE(sstr); | |
6021 | BmUSEFUL(dstr) = BmUSEFUL(sstr); | |
6022 | BmPREVIOUS(dstr)= BmPREVIOUS(sstr); | |
6023 | break; | |
6024 | case SVt_PVLV: | |
6025 | SvANY(dstr) = new_XPVLV(); | |
6026 | SvCUR(dstr) = SvCUR(sstr); | |
6027 | SvLEN(dstr) = SvLEN(sstr); | |
6028 | SvIVX(dstr) = SvIVX(sstr); | |
6029 | SvNVX(dstr) = SvNVX(sstr); | |
6030 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); | |
6031 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); | |
6032 | if (SvROK(sstr)) | |
6033 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); | |
6034 | else if (SvPVX(sstr) && SvLEN(sstr)) | |
6035 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); | |
6036 | else | |
6037 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ | |
6038 | LvTARGOFF(dstr) = LvTARGOFF(sstr); /* XXX sometimes holds PMOP* when DEBUGGING */ | |
6039 | LvTARGLEN(dstr) = LvTARGLEN(sstr); | |
6040 | LvTARG(dstr) = sv_dup_inc(LvTARG(sstr)); | |
6041 | LvTYPE(dstr) = LvTYPE(sstr); | |
6042 | break; | |
6043 | case SVt_PVGV: | |
6044 | SvANY(dstr) = new_XPVGV(); | |
6045 | SvCUR(dstr) = SvCUR(sstr); | |
6046 | SvLEN(dstr) = SvLEN(sstr); | |
6047 | SvIVX(dstr) = SvIVX(sstr); | |
6048 | SvNVX(dstr) = SvNVX(sstr); | |
6049 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); | |
6050 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); | |
6051 | if (SvROK(sstr)) | |
6052 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); | |
6053 | else if (SvPVX(sstr) && SvLEN(sstr)) | |
6054 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); | |
6055 | else | |
6056 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ | |
6057 | GvNAMELEN(dstr) = GvNAMELEN(sstr); | |
6058 | GvNAME(dstr) = SAVEPVN(GvNAME(sstr), GvNAMELEN(sstr)); | |
6059 | GvSTASH(dstr) = hv_dup_inc(GvSTASH(sstr)); | |
6060 | GvFLAGS(dstr) = GvFLAGS(sstr); | |
6061 | GvGP(dstr) = gp_dup(GvGP(sstr)); | |
6062 | (void)GpREFCNT_inc(GvGP(dstr)); | |
6063 | break; | |
6064 | case SVt_PVIO: | |
6065 | SvANY(dstr) = new_XPVIO(); | |
6066 | SvCUR(dstr) = SvCUR(sstr); | |
6067 | SvLEN(dstr) = SvLEN(sstr); | |
6068 | SvIVX(dstr) = SvIVX(sstr); | |
6069 | SvNVX(dstr) = SvNVX(sstr); | |
6070 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); | |
6071 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); | |
6072 | if (SvROK(sstr)) | |
6073 | SvRV(dstr) = sv_dup_inc(SvRV(sstr)); | |
6074 | else if (SvPVX(sstr) && SvLEN(sstr)) | |
6075 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); | |
6076 | else | |
6077 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ | |
6078 | IoIFP(dstr) = fp_dup(IoIFP(sstr), IoTYPE(sstr)); | |
6079 | if (IoOFP(sstr) == IoIFP(sstr)) | |
6080 | IoOFP(dstr) = IoIFP(dstr); | |
6081 | else | |
6082 | IoOFP(dstr) = fp_dup(IoOFP(sstr), IoTYPE(sstr)); | |
6083 | /* PL_rsfp_filters entries have fake IoDIRP() */ | |
6084 | if (IoDIRP(sstr) && !(IoFLAGS(sstr) & IOf_FAKE_DIRP)) | |
6085 | IoDIRP(dstr) = dirp_dup(IoDIRP(sstr)); | |
6086 | else | |
6087 | IoDIRP(dstr) = IoDIRP(sstr); | |
6088 | IoLINES(dstr) = IoLINES(sstr); | |
6089 | IoPAGE(dstr) = IoPAGE(sstr); | |
6090 | IoPAGE_LEN(dstr) = IoPAGE_LEN(sstr); | |
6091 | IoLINES_LEFT(dstr) = IoLINES_LEFT(sstr); | |
6092 | IoTOP_NAME(dstr) = SAVEPV(IoTOP_NAME(sstr)); | |
6093 | IoTOP_GV(dstr) = gv_dup(IoTOP_GV(sstr)); | |
6094 | IoFMT_NAME(dstr) = SAVEPV(IoFMT_NAME(sstr)); | |
6095 | IoFMT_GV(dstr) = gv_dup(IoFMT_GV(sstr)); | |
6096 | IoBOTTOM_NAME(dstr) = SAVEPV(IoBOTTOM_NAME(sstr)); | |
6097 | IoBOTTOM_GV(dstr) = gv_dup(IoBOTTOM_GV(sstr)); | |
6098 | IoSUBPROCESS(dstr) = IoSUBPROCESS(sstr); | |
6099 | IoTYPE(dstr) = IoTYPE(sstr); | |
6100 | IoFLAGS(dstr) = IoFLAGS(sstr); | |
6101 | break; | |
6102 | case SVt_PVAV: | |
6103 | SvANY(dstr) = new_XPVAV(); | |
6104 | SvCUR(dstr) = SvCUR(sstr); | |
6105 | SvLEN(dstr) = SvLEN(sstr); | |
6106 | SvIVX(dstr) = SvIVX(sstr); | |
6107 | SvNVX(dstr) = SvNVX(sstr); | |
6108 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); | |
6109 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); | |
6110 | AvARYLEN((AV*)dstr) = sv_dup_inc(AvARYLEN((AV*)sstr)); | |
6111 | AvFLAGS((AV*)dstr) = AvFLAGS((AV*)sstr); | |
6112 | if (AvARRAY((AV*)sstr)) { | |
6113 | SV **dst_ary, **src_ary; | |
6114 | SSize_t items = AvFILLp((AV*)sstr) + 1; | |
6115 | ||
6116 | src_ary = AvARRAY((AV*)sstr); | |
6117 | Newz(0, dst_ary, AvMAX((AV*)sstr)+1, SV*); | |
6118 | ptr_table_store(PL_ptr_table, src_ary, dst_ary); | |
6119 | SvPVX(dstr) = (char*)dst_ary; | |
6120 | AvALLOC((AV*)dstr) = dst_ary; | |
6121 | if (AvREAL((AV*)sstr)) { | |
6122 | while (items-- > 0) | |
6123 | *dst_ary++ = sv_dup_inc(*src_ary++); | |
6124 | } | |
6125 | else { | |
6126 | while (items-- > 0) | |
6127 | *dst_ary++ = sv_dup(*src_ary++); | |
6128 | } | |
6129 | items = AvMAX((AV*)sstr) - AvFILLp((AV*)sstr); | |
6130 | while (items-- > 0) { | |
6131 | *dst_ary++ = &PL_sv_undef; | |
6132 | } | |
6133 | } | |
6134 | else { | |
6135 | SvPVX(dstr) = Nullch; | |
6136 | AvALLOC((AV*)dstr) = (SV**)NULL; | |
6137 | } | |
6138 | break; | |
6139 | case SVt_PVHV: | |
6140 | SvANY(dstr) = new_XPVHV(); | |
6141 | SvCUR(dstr) = SvCUR(sstr); | |
6142 | SvLEN(dstr) = SvLEN(sstr); | |
6143 | SvIVX(dstr) = SvIVX(sstr); | |
6144 | SvNVX(dstr) = SvNVX(sstr); | |
6145 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); | |
6146 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); | |
6147 | HvRITER((HV*)dstr) = HvRITER((HV*)sstr); | |
6148 | if (HvARRAY((HV*)sstr)) { | |
6149 | HE *entry; | |
6150 | STRLEN i = 0; | |
6151 | XPVHV *dxhv = (XPVHV*)SvANY(dstr); | |
6152 | XPVHV *sxhv = (XPVHV*)SvANY(sstr); | |
6153 | Newz(0, dxhv->xhv_array, | |
6154 | PERL_HV_ARRAY_ALLOC_BYTES(dxhv->xhv_max+1), char); | |
6155 | while (i <= sxhv->xhv_max) { | |
6156 | ((HE**)dxhv->xhv_array)[i] = he_dup(((HE**)sxhv->xhv_array)[i], | |
6157 | !!HvSHAREKEYS(sstr)); | |
6158 | ++i; | |
6159 | } | |
6160 | dxhv->xhv_eiter = he_dup(sxhv->xhv_eiter, !!HvSHAREKEYS(sstr)); | |
6161 | } | |
6162 | else { | |
6163 | SvPVX(dstr) = Nullch; | |
6164 | HvEITER((HV*)dstr) = (HE*)NULL; | |
6165 | } | |
6166 | HvPMROOT((HV*)dstr) = HvPMROOT((HV*)sstr); /* XXX */ | |
6167 | HvNAME((HV*)dstr) = SAVEPV(HvNAME((HV*)sstr)); | |
6168 | break; | |
6169 | case SVt_PVFM: | |
6170 | SvANY(dstr) = new_XPVFM(); | |
6171 | FmLINES(dstr) = FmLINES(sstr); | |
6172 | goto dup_pvcv; | |
6173 | /* NOTREACHED */ | |
6174 | case SVt_PVCV: | |
6175 | SvANY(dstr) = new_XPVCV(); | |
6176 | dup_pvcv: | |
6177 | SvCUR(dstr) = SvCUR(sstr); | |
6178 | SvLEN(dstr) = SvLEN(sstr); | |
6179 | SvIVX(dstr) = SvIVX(sstr); | |
6180 | SvNVX(dstr) = SvNVX(sstr); | |
6181 | SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr)); | |
6182 | SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr)); | |
6183 | if (SvPVX(sstr) && SvLEN(sstr)) | |
6184 | SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1); | |
6185 | else | |
6186 | SvPVX(dstr) = SvPVX(sstr); /* XXX shared string/random ptr? */ | |
6187 | CvSTASH(dstr) = hv_dup(CvSTASH(sstr));/* NOTE: not refcounted */ | |
6188 | CvSTART(dstr) = CvSTART(sstr); | |
6189 | CvROOT(dstr) = OpREFCNT_inc(CvROOT(sstr)); | |
6190 | CvXSUB(dstr) = CvXSUB(sstr); | |
6191 | CvXSUBANY(dstr) = CvXSUBANY(sstr); | |
6192 | CvGV(dstr) = gv_dup_inc(CvGV(sstr)); | |
6193 | CvDEPTH(dstr) = CvDEPTH(sstr); | |
6194 | if (CvPADLIST(sstr) && !AvREAL(CvPADLIST(sstr))) { | |
6195 | /* XXX padlists are real, but pretend to be not */ | |
6196 | AvREAL_on(CvPADLIST(sstr)); | |
6197 | CvPADLIST(dstr) = av_dup_inc(CvPADLIST(sstr)); | |
6198 | AvREAL_off(CvPADLIST(sstr)); | |
6199 | AvREAL_off(CvPADLIST(dstr)); | |
6200 | } | |
6201 | else | |
6202 | CvPADLIST(dstr) = av_dup_inc(CvPADLIST(sstr)); | |
6203 | CvOUTSIDE(dstr) = cv_dup_inc(CvOUTSIDE(sstr)); | |
6204 | CvFLAGS(dstr) = CvFLAGS(sstr); | |
6205 | break; | |
6206 | default: | |
6207 | Perl_croak(aTHX_ "Bizarre SvTYPE [%d]", SvTYPE(sstr)); | |
6208 | break; | |
6209 | } | |
6210 | ||
6211 | if (SvOBJECT(dstr) && SvTYPE(dstr) != SVt_PVIO) | |
6212 | ++PL_sv_objcount; | |
6213 | ||
6214 | return dstr; | |
6215 | } | |
6216 | ||
6217 | PERL_CONTEXT * | |
6218 | Perl_cx_dup(pTHX_ PERL_CONTEXT *cxs, I32 ix, I32 max) | |
6219 | { | |
6220 | PERL_CONTEXT *ncxs; | |
6221 | ||
6222 | if (!cxs) | |
6223 | return (PERL_CONTEXT*)NULL; | |
6224 | ||
6225 | /* look for it in the table first */ | |
6226 | ncxs = (PERL_CONTEXT*)ptr_table_fetch(PL_ptr_table, cxs); | |
6227 | if (ncxs) | |
6228 | return ncxs; | |
6229 | ||
6230 | /* create anew and remember what it is */ | |
6231 | Newz(56, ncxs, max + 1, PERL_CONTEXT); | |
6232 | ptr_table_store(PL_ptr_table, cxs, ncxs); | |
6233 | ||
6234 | while (ix >= 0) { | |
6235 | PERL_CONTEXT *cx = &cxs[ix]; | |
6236 | PERL_CONTEXT *ncx = &ncxs[ix]; | |
6237 | ncx->cx_type = cx->cx_type; | |
6238 | if (CxTYPE(cx) == CXt_SUBST) { | |
6239 | Perl_croak(aTHX_ "Cloning substitution context is unimplemented"); | |
6240 | } | |
6241 | else { | |
6242 | ncx->blk_oldsp = cx->blk_oldsp; | |
6243 | ncx->blk_oldcop = cx->blk_oldcop; | |
6244 | ncx->blk_oldretsp = cx->blk_oldretsp; | |
6245 | ncx->blk_oldmarksp = cx->blk_oldmarksp; | |
6246 | ncx->blk_oldscopesp = cx->blk_oldscopesp; | |
6247 | ncx->blk_oldpm = cx->blk_oldpm; | |
6248 | ncx->blk_gimme = cx->blk_gimme; | |
6249 | switch (CxTYPE(cx)) { | |
6250 | case CXt_SUB: | |
6251 | ncx->blk_sub.cv = (cx->blk_sub.olddepth == 0 | |
6252 | ? cv_dup_inc(cx->blk_sub.cv) | |
6253 | : cv_dup(cx->blk_sub.cv)); | |
6254 | ncx->blk_sub.argarray = (cx->blk_sub.hasargs | |
6255 | ? av_dup_inc(cx->blk_sub.argarray) | |
6256 | : Nullav); | |
6257 | ncx->blk_sub.savearray = av_dup(cx->blk_sub.savearray); | |
6258 | ncx->blk_sub.olddepth = cx->blk_sub.olddepth; | |
6259 | ncx->blk_sub.hasargs = cx->blk_sub.hasargs; | |
6260 | ncx->blk_sub.lval = cx->blk_sub.lval; | |
6261 | break; | |
6262 | case CXt_EVAL: | |
6263 | ncx->blk_eval.old_in_eval = cx->blk_eval.old_in_eval; | |
6264 | ncx->blk_eval.old_op_type = cx->blk_eval.old_op_type; | |
6265 | ncx->blk_eval.old_name = SAVEPV(cx->blk_eval.old_name); | |
6266 | ncx->blk_eval.old_eval_root = cx->blk_eval.old_eval_root; | |
6267 | ncx->blk_eval.cur_text = sv_dup(cx->blk_eval.cur_text); | |
6268 | break; | |
6269 | case CXt_LOOP: | |
6270 | ncx->blk_loop.label = cx->blk_loop.label; | |
6271 | ncx->blk_loop.resetsp = cx->blk_loop.resetsp; | |
6272 | ncx->blk_loop.redo_op = cx->blk_loop.redo_op; | |
6273 | ncx->blk_loop.next_op = cx->blk_loop.next_op; | |
6274 | ncx->blk_loop.last_op = cx->blk_loop.last_op; | |
6275 | ncx->blk_loop.iterdata = (CxPADLOOP(cx) | |
6276 | ? cx->blk_loop.iterdata | |
6277 | : gv_dup((GV*)cx->blk_loop.iterdata)); | |
6278 | ncx->blk_loop.itersave = sv_dup_inc(cx->blk_loop.itersave); | |
6279 | ncx->blk_loop.iterlval = sv_dup_inc(cx->blk_loop.iterlval); | |
6280 | ncx->blk_loop.iterary = av_dup_inc(cx->blk_loop.iterary); | |
6281 | ncx->blk_loop.iterix = cx->blk_loop.iterix; | |
6282 | ncx->blk_loop.itermax = cx->blk_loop.itermax; | |
6283 | break; | |
6284 | case CXt_FORMAT: | |
6285 | ncx->blk_sub.cv = cv_dup(cx->blk_sub.cv); | |
6286 | ncx->blk_sub.gv = gv_dup(cx->blk_sub.gv); | |
6287 | ncx->blk_sub.dfoutgv = gv_dup_inc(cx->blk_sub.dfoutgv); | |
6288 | ncx->blk_sub.hasargs = cx->blk_sub.hasargs; | |
6289 | break; | |
6290 | case CXt_BLOCK: | |
6291 | case CXt_NULL: | |
6292 | break; | |
6293 | } | |
6294 | } | |
6295 | --ix; | |
6296 | } | |
6297 | return ncxs; | |
6298 | } | |
6299 | ||
6300 | PERL_SI * | |
6301 | Perl_si_dup(pTHX_ PERL_SI *si) | |
6302 | { | |
6303 | PERL_SI *nsi; | |
6304 | ||
6305 | if (!si) | |
6306 | return (PERL_SI*)NULL; | |
6307 | ||
6308 | /* look for it in the table first */ | |
6309 | nsi = (PERL_SI*)ptr_table_fetch(PL_ptr_table, si); | |
6310 | if (nsi) | |
6311 | return nsi; | |
6312 | ||
6313 | /* create anew and remember what it is */ | |
6314 | Newz(56, nsi, 1, PERL_SI); | |
6315 | ptr_table_store(PL_ptr_table, si, nsi); | |
6316 | ||
6317 | nsi->si_stack = av_dup_inc(si->si_stack); | |
6318 | nsi->si_cxix = si->si_cxix; | |
6319 | nsi->si_cxmax = si->si_cxmax; | |
6320 | nsi->si_cxstack = cx_dup(si->si_cxstack, si->si_cxix, si->si_cxmax); | |
6321 | nsi->si_type = si->si_type; | |
6322 | nsi->si_prev = si_dup(si->si_prev); | |
6323 | nsi->si_next = si_dup(si->si_next); | |
6324 | nsi->si_markoff = si->si_markoff; | |
6325 | ||
6326 | return nsi; | |
6327 | } | |
6328 | ||
6329 | #define POPINT(ss,ix) ((ss)[--(ix)].any_i32) | |
6330 | #define TOPINT(ss,ix) ((ss)[ix].any_i32) | |
6331 | #define POPLONG(ss,ix) ((ss)[--(ix)].any_long) | |
6332 | #define TOPLONG(ss,ix) ((ss)[ix].any_long) | |
6333 | #define POPIV(ss,ix) ((ss)[--(ix)].any_iv) | |
6334 | #define TOPIV(ss,ix) ((ss)[ix].any_iv) | |
6335 | #define POPPTR(ss,ix) ((ss)[--(ix)].any_ptr) | |
6336 | #define TOPPTR(ss,ix) ((ss)[ix].any_ptr) | |
6337 | #define POPDPTR(ss,ix) ((ss)[--(ix)].any_dptr) | |
6338 | #define TOPDPTR(ss,ix) ((ss)[ix].any_dptr) | |
6339 | #define POPDXPTR(ss,ix) ((ss)[--(ix)].any_dxptr) | |
6340 | #define TOPDXPTR(ss,ix) ((ss)[ix].any_dxptr) | |
6341 | ||
6342 | /* XXXXX todo */ | |
6343 | #define pv_dup_inc(p) SAVEPV(p) | |
6344 | #define pv_dup(p) SAVEPV(p) | |
6345 | #define svp_dup_inc(p,pp) any_dup(p,pp) | |
6346 | ||
6347 | void * | |
6348 | Perl_any_dup(pTHX_ void *v, PerlInterpreter *proto_perl) | |
6349 | { | |
6350 | void *ret; | |
6351 | ||
6352 | if (!v) | |
6353 | return (void*)NULL; | |
6354 | ||
6355 | /* look for it in the table first */ | |
6356 | ret = ptr_table_fetch(PL_ptr_table, v); | |
6357 | if (ret) | |
6358 | return ret; | |
6359 | ||
6360 | /* see if it is part of the interpreter structure */ | |
6361 | if (v >= (void*)proto_perl && v < (void*)(proto_perl+1)) | |
6362 | ret = (void*)(((char*)aTHXo) + (((char*)v) - (char*)proto_perl)); | |
6363 | else | |
6364 | ret = v; | |
6365 | ||
6366 | return ret; | |
6367 | } | |
6368 | ||
6369 | ANY * | |
6370 | Perl_ss_dup(pTHX_ PerlInterpreter *proto_perl) | |
6371 | { | |
6372 | ANY *ss = proto_perl->Tsavestack; | |
6373 | I32 ix = proto_perl->Tsavestack_ix; | |
6374 | I32 max = proto_perl->Tsavestack_max; | |
6375 | ANY *nss; | |
6376 | SV *sv; | |
6377 | GV *gv; | |
6378 | AV *av; | |
6379 | HV *hv; | |
6380 | void* ptr; | |
6381 | int intval; | |
6382 | long longval; | |
6383 | GP *gp; | |
6384 | IV iv; | |
6385 | I32 i; | |
6386 | char *c; | |
6387 | void (*dptr) (void*); | |
6388 | void (*dxptr) (pTHXo_ void*); | |
6389 | ||
6390 | Newz(54, nss, max, ANY); | |
6391 | ||
6392 | while (ix > 0) { | |
6393 | i = POPINT(ss,ix); | |
6394 | TOPINT(nss,ix) = i; | |
6395 | switch (i) { | |
6396 | case SAVEt_ITEM: /* normal string */ | |
6397 | sv = (SV*)POPPTR(ss,ix); | |
6398 | TOPPTR(nss,ix) = sv_dup_inc(sv); | |
6399 | sv = (SV*)POPPTR(ss,ix); | |
6400 | TOPPTR(nss,ix) = sv_dup_inc(sv); | |
6401 | break; | |
6402 | case SAVEt_SV: /* scalar reference */ | |
6403 | sv = (SV*)POPPTR(ss,ix); | |
6404 | TOPPTR(nss,ix) = sv_dup_inc(sv); | |
6405 | gv = (GV*)POPPTR(ss,ix); | |
6406 | TOPPTR(nss,ix) = gv_dup_inc(gv); | |
6407 | break; | |
6408 | case SAVEt_GENERIC_SVREF: /* generic sv */ | |
6409 | case SAVEt_SVREF: /* scalar reference */ | |
6410 | sv = (SV*)POPPTR(ss,ix); | |
6411 | TOPPTR(nss,ix) = sv_dup_inc(sv); | |
6412 | ptr = POPPTR(ss,ix); | |
6413 | TOPPTR(nss,ix) = svp_dup_inc((SV**)ptr, proto_perl);/* XXXXX */ | |
6414 | break; | |
6415 | case SAVEt_AV: /* array reference */ | |
6416 | av = (AV*)POPPTR(ss,ix); | |
6417 | TOPPTR(nss,ix) = av_dup_inc(av); | |
6418 | gv = (GV*)POPPTR(ss,ix); | |
6419 | TOPPTR(nss,ix) = gv_dup(gv); | |
6420 | break; | |
6421 | case SAVEt_HV: /* hash reference */ | |
6422 | hv = (HV*)POPPTR(ss,ix); | |
6423 | TOPPTR(nss,ix) = hv_dup_inc(hv); | |
6424 | gv = (GV*)POPPTR(ss,ix); | |
6425 | TOPPTR(nss,ix) = gv_dup(gv); | |
6426 | break; | |
6427 | case SAVEt_INT: /* int reference */ | |
6428 | ptr = POPPTR(ss,ix); | |
6429 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); | |
6430 | intval = (int)POPINT(ss,ix); | |
6431 | TOPINT(nss,ix) = intval; | |
6432 | break; | |
6433 | case SAVEt_LONG: /* long reference */ | |
6434 | ptr = POPPTR(ss,ix); | |
6435 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); | |
6436 | longval = (long)POPLONG(ss,ix); | |
6437 | TOPLONG(nss,ix) = longval; | |
6438 | break; | |
6439 | case SAVEt_I32: /* I32 reference */ | |
6440 | case SAVEt_I16: /* I16 reference */ | |
6441 | case SAVEt_I8: /* I8 reference */ | |
6442 | ptr = POPPTR(ss,ix); | |
6443 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); | |
6444 | i = POPINT(ss,ix); | |
6445 | TOPINT(nss,ix) = i; | |
6446 | break; | |
6447 | case SAVEt_IV: /* IV reference */ | |
6448 | ptr = POPPTR(ss,ix); | |
6449 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); | |
6450 | iv = POPIV(ss,ix); | |
6451 | TOPIV(nss,ix) = iv; | |
6452 | break; | |
6453 | case SAVEt_SPTR: /* SV* reference */ | |
6454 | ptr = POPPTR(ss,ix); | |
6455 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); | |
6456 | sv = (SV*)POPPTR(ss,ix); | |
6457 | TOPPTR(nss,ix) = sv_dup(sv); | |
6458 | break; | |
6459 | case SAVEt_VPTR: /* random* reference */ | |
6460 | ptr = POPPTR(ss,ix); | |
6461 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); | |
6462 | ptr = POPPTR(ss,ix); | |
6463 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); | |
6464 | break; | |
6465 | case SAVEt_PPTR: /* char* reference */ | |
6466 | ptr = POPPTR(ss,ix); | |
6467 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); | |
6468 | c = (char*)POPPTR(ss,ix); | |
6469 | TOPPTR(nss,ix) = pv_dup(c); | |
6470 | break; | |
6471 | case SAVEt_HPTR: /* HV* reference */ | |
6472 | ptr = POPPTR(ss,ix); | |
6473 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); | |
6474 | hv = (HV*)POPPTR(ss,ix); | |
6475 | TOPPTR(nss,ix) = hv_dup(hv); | |
6476 | break; | |
6477 | case SAVEt_APTR: /* AV* reference */ | |
6478 | ptr = POPPTR(ss,ix); | |
6479 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); | |
6480 | av = (AV*)POPPTR(ss,ix); | |
6481 | TOPPTR(nss,ix) = av_dup(av); | |
6482 | break; | |
6483 | case SAVEt_NSTAB: | |
6484 | gv = (GV*)POPPTR(ss,ix); | |
6485 | TOPPTR(nss,ix) = gv_dup(gv); | |
6486 | break; | |
6487 | case SAVEt_GP: /* scalar reference */ | |
6488 | gp = (GP*)POPPTR(ss,ix); | |
6489 | TOPPTR(nss,ix) = gp = gp_dup(gp); | |
6490 | (void)GpREFCNT_inc(gp); | |
6491 | gv = (GV*)POPPTR(ss,ix); | |
6492 | TOPPTR(nss,ix) = gv_dup_inc(c); | |
6493 | c = (char*)POPPTR(ss,ix); | |
6494 | TOPPTR(nss,ix) = pv_dup(c); | |
6495 | iv = POPIV(ss,ix); | |
6496 | TOPIV(nss,ix) = iv; | |
6497 | iv = POPIV(ss,ix); | |
6498 | TOPIV(nss,ix) = iv; | |
6499 | break; | |
6500 | case SAVEt_FREESV: | |
6501 | sv = (SV*)POPPTR(ss,ix); | |
6502 | TOPPTR(nss,ix) = sv_dup_inc(sv); | |
6503 | break; | |
6504 | case SAVEt_FREEOP: | |
6505 | ptr = POPPTR(ss,ix); | |
6506 | if (ptr && (((OP*)ptr)->op_private & OPpREFCOUNTED)) { | |
6507 | /* these are assumed to be refcounted properly */ | |
6508 | switch (((OP*)ptr)->op_type) { | |
6509 | case OP_LEAVESUB: | |
6510 | case OP_LEAVESUBLV: | |
6511 | case OP_LEAVEEVAL: | |
6512 | case OP_LEAVE: | |
6513 | case OP_SCOPE: | |
6514 | case OP_LEAVEWRITE: | |
6515 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); | |
6516 | break; | |
6517 | default: | |
6518 | TOPPTR(nss,ix) = Nullop; | |
6519 | break; | |
6520 | } | |
6521 | } | |
6522 | else | |
6523 | TOPPTR(nss,ix) = Nullop; | |
6524 | break; | |
6525 | case SAVEt_FREEPV: | |
6526 | c = (char*)POPPTR(ss,ix); | |
6527 | TOPPTR(nss,ix) = pv_dup_inc(c); | |
6528 | break; | |
6529 | case SAVEt_CLEARSV: | |
6530 | longval = POPLONG(ss,ix); | |
6531 | TOPLONG(nss,ix) = longval; | |
6532 | break; | |
6533 | case SAVEt_DELETE: | |
6534 | hv = (HV*)POPPTR(ss,ix); | |
6535 | TOPPTR(nss,ix) = hv_dup_inc(hv); | |
6536 | c = (char*)POPPTR(ss,ix); | |
6537 | TOPPTR(nss,ix) = pv_dup_inc(c); | |
6538 | i = POPINT(ss,ix); | |
6539 | TOPINT(nss,ix) = i; | |
6540 | break; | |
6541 | case SAVEt_DESTRUCTOR: | |
6542 | ptr = POPPTR(ss,ix); | |
6543 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); /* XXX quite arbitrary */ | |
6544 | dptr = POPDPTR(ss,ix); | |
6545 | TOPDPTR(nss,ix) = (void (*)(void*))any_dup(dptr, proto_perl); | |
6546 | break; | |
6547 | case SAVEt_DESTRUCTOR_X: | |
6548 | ptr = POPPTR(ss,ix); | |
6549 | TOPPTR(nss,ix) = any_dup(ptr, proto_perl); /* XXX quite arbitrary */ | |
6550 | dxptr = POPDXPTR(ss,ix); | |
6551 | TOPDXPTR(nss,ix) = (void (*)(pTHXo_ void*))any_dup(dxptr, proto_perl); | |
6552 | break; | |
6553 | case SAVEt_REGCONTEXT: | |
6554 | case SAVEt_ALLOC: | |
6555 | i = POPINT(ss,ix); | |
6556 | TOPINT(nss,ix) = i; | |
6557 | ix -= i; | |
6558 | break; | |
6559 | case SAVEt_STACK_POS: /* Position on Perl stack */ | |
6560 | i = POPINT(ss,ix); | |
6561 | TOPINT(nss,ix) = i; | |
6562 | break; | |
6563 | case SAVEt_AELEM: /* array element */ | |
6564 | sv = (SV*)POPPTR(ss,ix); | |
6565 | TOPPTR(nss,ix) = sv_dup_inc(sv); | |
6566 | i = POPINT(ss,ix); | |
6567 | TOPINT(nss,ix) = i; | |
6568 | av = (AV*)POPPTR(ss,ix); | |
6569 | TOPPTR(nss,ix) = av_dup_inc(av); | |
6570 | break; | |
6571 | case SAVEt_HELEM: /* hash element */ | |
6572 | sv = (SV*)POPPTR(ss,ix); | |
6573 | TOPPTR(nss,ix) = sv_dup_inc(sv); | |
6574 | sv = (SV*)POPPTR(ss,ix); | |
6575 | TOPPTR(nss,ix) = sv_dup_inc(sv); | |
6576 | hv = (HV*)POPPTR(ss,ix); | |
6577 | TOPPTR(nss,ix) = hv_dup_inc(hv); | |
6578 | break; | |
6579 | case SAVEt_OP: | |
6580 | ptr = POPPTR(ss,ix); | |
6581 | TOPPTR(nss,ix) = ptr; | |
6582 | break; | |
6583 | case SAVEt_HINTS: | |
6584 | i = POPINT(ss,ix); | |
6585 | TOPINT(nss,ix) = i; | |
6586 | break; | |
6587 | default: | |
6588 | Perl_croak(aTHX_ "panic: ss_dup inconsistency"); | |
6589 | } | |
6590 | } | |
6591 | ||
6592 | return nss; | |
6593 | } | |
6594 | ||
6595 | #ifdef PERL_OBJECT | |
6596 | #include "XSUB.h" | |
6597 | #endif | |
6598 | ||
6599 | PerlInterpreter * | |
6600 | perl_clone(PerlInterpreter *proto_perl, UV flags) | |
6601 | { | |
6602 | #ifdef PERL_OBJECT | |
6603 | CPerlObj *pPerl = (CPerlObj*)proto_perl; | |
6604 | #endif | |
6605 | ||
6606 | #ifdef PERL_IMPLICIT_SYS | |
6607 | return perl_clone_using(proto_perl, flags, | |
6608 | proto_perl->IMem, | |
6609 | proto_perl->IMemShared, | |
6610 | proto_perl->IMemParse, | |
6611 | proto_perl->IEnv, | |
6612 | proto_perl->IStdIO, | |
6613 | proto_perl->ILIO, | |
6614 | proto_perl->IDir, | |
6615 | proto_perl->ISock, | |
6616 | proto_perl->IProc); | |
6617 | } | |
6618 | ||
6619 | PerlInterpreter * | |
6620 | perl_clone_using(PerlInterpreter *proto_perl, UV flags, | |
6621 | struct IPerlMem* ipM, struct IPerlMem* ipMS, | |
6622 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
6623 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, | |
6624 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
6625 | struct IPerlProc* ipP) | |
6626 | { | |
6627 | /* XXX many of the string copies here can be optimized if they're | |
6628 | * constants; they need to be allocated as common memory and just | |
6629 | * their pointers copied. */ | |
6630 | ||
6631 | IV i; | |
6632 | SV *sv; | |
6633 | SV **svp; | |
6634 | # ifdef PERL_OBJECT | |
6635 | CPerlObj *pPerl = new(ipM) CPerlObj(ipM, ipMS, ipMP, ipE, ipStd, ipLIO, | |
6636 | ipD, ipS, ipP); | |
6637 | PERL_SET_INTERP(pPerl); | |
6638 | # else /* !PERL_OBJECT */ | |
6639 | PerlInterpreter *my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); | |
6640 | PERL_SET_INTERP(my_perl); | |
6641 | ||
6642 | # ifdef DEBUGGING | |
6643 | memset(my_perl, 0xab, sizeof(PerlInterpreter)); | |
6644 | PL_markstack = 0; | |
6645 | PL_scopestack = 0; | |
6646 | PL_savestack = 0; | |
6647 | PL_retstack = 0; | |
6648 | # else /* !DEBUGGING */ | |
6649 | Zero(my_perl, 1, PerlInterpreter); | |
6650 | # endif /* DEBUGGING */ | |
6651 | ||
6652 | /* host pointers */ | |
6653 | PL_Mem = ipM; | |
6654 | PL_MemShared = ipMS; | |
6655 | PL_MemParse = ipMP; | |
6656 | PL_Env = ipE; | |
6657 | PL_StdIO = ipStd; | |
6658 | PL_LIO = ipLIO; | |
6659 | PL_Dir = ipD; | |
6660 | PL_Sock = ipS; | |
6661 | PL_Proc = ipP; | |
6662 | # endif /* PERL_OBJECT */ | |
6663 | #else /* !PERL_IMPLICIT_SYS */ | |
6664 | IV i; | |
6665 | SV *sv; | |
6666 | SV **svp; | |
6667 | PerlInterpreter *my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); | |
6668 | PERL_SET_INTERP(my_perl); | |
6669 | ||
6670 | # ifdef DEBUGGING | |
6671 | memset(my_perl, 0xab, sizeof(PerlInterpreter)); | |
6672 | PL_markstack = 0; | |
6673 | PL_scopestack = 0; | |
6674 | PL_savestack = 0; | |
6675 | PL_retstack = 0; | |
6676 | # else /* !DEBUGGING */ | |
6677 | Zero(my_perl, 1, PerlInterpreter); | |
6678 | # endif /* DEBUGGING */ | |
6679 | #endif /* PERL_IMPLICIT_SYS */ | |
6680 | ||
6681 | /* arena roots */ | |
6682 | PL_xiv_arenaroot = NULL; | |
6683 | PL_xiv_root = NULL; | |
6684 | PL_xnv_root = NULL; | |
6685 | PL_xrv_root = NULL; | |
6686 | PL_xpv_root = NULL; | |
6687 | PL_xpviv_root = NULL; | |
6688 | PL_xpvnv_root = NULL; | |
6689 | PL_xpvcv_root = NULL; | |
6690 | PL_xpvav_root = NULL; | |
6691 | PL_xpvhv_root = NULL; | |
6692 | PL_xpvmg_root = NULL; | |
6693 | PL_xpvlv_root = NULL; | |
6694 | PL_xpvbm_root = NULL; | |
6695 | PL_he_root = NULL; | |
6696 | PL_nice_chunk = NULL; | |
6697 | PL_nice_chunk_size = 0; | |
6698 | PL_sv_count = 0; | |
6699 | PL_sv_objcount = 0; | |
6700 | PL_sv_root = Nullsv; | |
6701 | PL_sv_arenaroot = Nullsv; | |
6702 | ||
6703 | PL_debug = proto_perl->Idebug; | |
6704 | ||
6705 | /* create SV map for pointer relocation */ | |
6706 | PL_ptr_table = ptr_table_new(); | |
6707 | ||
6708 | /* initialize these special pointers as early as possible */ | |
6709 | SvANY(&PL_sv_undef) = NULL; | |
6710 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
6711 | SvFLAGS(&PL_sv_undef) = SVf_READONLY|SVt_NULL; | |
6712 | ptr_table_store(PL_ptr_table, &proto_perl->Isv_undef, &PL_sv_undef); | |
6713 | ||
6714 | #ifdef PERL_OBJECT | |
6715 | SvUPGRADE(&PL_sv_no, SVt_PVNV); | |
6716 | #else | |
6717 | SvANY(&PL_sv_no) = new_XPVNV(); | |
6718 | #endif | |
6719 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
6720 | SvFLAGS(&PL_sv_no) = SVp_NOK|SVf_NOK|SVp_POK|SVf_POK|SVf_READONLY|SVt_PVNV; | |
6721 | SvPVX(&PL_sv_no) = SAVEPVN(PL_No, 0); | |
6722 | SvCUR(&PL_sv_no) = 0; | |
6723 | SvLEN(&PL_sv_no) = 1; | |
6724 | SvNVX(&PL_sv_no) = 0; | |
6725 | ptr_table_store(PL_ptr_table, &proto_perl->Isv_no, &PL_sv_no); | |
6726 | ||
6727 | #ifdef PERL_OBJECT | |
6728 | SvUPGRADE(&PL_sv_yes, SVt_PVNV); | |
6729 | #else | |
6730 | SvANY(&PL_sv_yes) = new_XPVNV(); | |
6731 | #endif | |
6732 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
6733 | SvFLAGS(&PL_sv_yes) = SVp_NOK|SVf_NOK|SVp_POK|SVf_POK|SVf_READONLY|SVt_PVNV; | |
6734 | SvPVX(&PL_sv_yes) = SAVEPVN(PL_Yes, 1); | |
6735 | SvCUR(&PL_sv_yes) = 1; | |
6736 | SvLEN(&PL_sv_yes) = 2; | |
6737 | SvNVX(&PL_sv_yes) = 1; | |
6738 | ptr_table_store(PL_ptr_table, &proto_perl->Isv_yes, &PL_sv_yes); | |
6739 | ||
6740 | /* create shared string table */ | |
6741 | PL_strtab = newHV(); | |
6742 | HvSHAREKEYS_off(PL_strtab); | |
6743 | hv_ksplit(PL_strtab, 512); | |
6744 | ptr_table_store(PL_ptr_table, proto_perl->Istrtab, PL_strtab); | |
6745 | ||
6746 | PL_compiling = proto_perl->Icompiling; | |
6747 | PL_compiling.cop_stashpv = SAVEPV(PL_compiling.cop_stashpv); | |
6748 | PL_compiling.cop_file = SAVEPV(PL_compiling.cop_file); | |
6749 | ptr_table_store(PL_ptr_table, &proto_perl->Icompiling, &PL_compiling); | |
6750 | if (!specialWARN(PL_compiling.cop_warnings)) | |
6751 | PL_compiling.cop_warnings = sv_dup_inc(PL_compiling.cop_warnings); | |
6752 | PL_curcop = (COP*)any_dup(proto_perl->Tcurcop, proto_perl); | |
6753 | ||
6754 | /* pseudo environmental stuff */ | |
6755 | PL_origargc = proto_perl->Iorigargc; | |
6756 | i = PL_origargc; | |
6757 | New(0, PL_origargv, i+1, char*); | |
6758 | PL_origargv[i] = '\0'; | |
6759 | while (i-- > 0) { | |
6760 | PL_origargv[i] = SAVEPV(proto_perl->Iorigargv[i]); | |
6761 | } | |
6762 | PL_envgv = gv_dup(proto_perl->Ienvgv); | |
6763 | PL_incgv = gv_dup(proto_perl->Iincgv); | |
6764 | PL_hintgv = gv_dup(proto_perl->Ihintgv); | |
6765 | PL_origfilename = SAVEPV(proto_perl->Iorigfilename); | |
6766 | PL_diehook = sv_dup_inc(proto_perl->Idiehook); | |
6767 | PL_warnhook = sv_dup_inc(proto_perl->Iwarnhook); | |
6768 | ||
6769 | /* switches */ | |
6770 | PL_minus_c = proto_perl->Iminus_c; | |
a7cb1f99 | 6771 | PL_patchlevel = sv_dup_inc(proto_perl->Ipatchlevel); |
1d7c1841 GS |
6772 | PL_localpatches = proto_perl->Ilocalpatches; |
6773 | PL_splitstr = proto_perl->Isplitstr; | |
6774 | PL_preprocess = proto_perl->Ipreprocess; | |
6775 | PL_minus_n = proto_perl->Iminus_n; | |
6776 | PL_minus_p = proto_perl->Iminus_p; | |
6777 | PL_minus_l = proto_perl->Iminus_l; | |
6778 | PL_minus_a = proto_perl->Iminus_a; | |
6779 | PL_minus_F = proto_perl->Iminus_F; | |
6780 | PL_doswitches = proto_perl->Idoswitches; | |
6781 | PL_dowarn = proto_perl->Idowarn; | |
6782 | PL_doextract = proto_perl->Idoextract; | |
6783 | PL_sawampersand = proto_perl->Isawampersand; | |
6784 | PL_unsafe = proto_perl->Iunsafe; | |
6785 | PL_inplace = SAVEPV(proto_perl->Iinplace); | |
6786 | PL_e_script = sv_dup_inc(proto_perl->Ie_script); | |
6787 | PL_perldb = proto_perl->Iperldb; | |
6788 | PL_perl_destruct_level = proto_perl->Iperl_destruct_level; | |
6789 | ||
6790 | /* magical thingies */ | |
6791 | /* XXX time(&PL_basetime) when asked for? */ | |
6792 | PL_basetime = proto_perl->Ibasetime; | |
6793 | PL_formfeed = sv_dup(proto_perl->Iformfeed); | |
6794 | ||
6795 | PL_maxsysfd = proto_perl->Imaxsysfd; | |
6796 | PL_multiline = proto_perl->Imultiline; | |
6797 | PL_statusvalue = proto_perl->Istatusvalue; | |
6798 | #ifdef VMS | |
6799 | PL_statusvalue_vms = proto_perl->Istatusvalue_vms; | |
6800 | #endif | |
6801 | ||
6802 | /* shortcuts to various I/O objects */ | |
6803 | PL_stdingv = gv_dup(proto_perl->Istdingv); | |
6804 | PL_stderrgv = gv_dup(proto_perl->Istderrgv); | |
6805 | PL_defgv = gv_dup(proto_perl->Idefgv); | |
6806 | PL_argvgv = gv_dup(proto_perl->Iargvgv); | |
6807 | PL_argvoutgv = gv_dup(proto_perl->Iargvoutgv); | |
6808 | PL_argvout_stack = av_dup(proto_perl->Iargvout_stack); | |
6809 | ||
6810 | /* shortcuts to regexp stuff */ | |
6811 | PL_replgv = gv_dup(proto_perl->Ireplgv); | |
6812 | ||
6813 | /* shortcuts to misc objects */ | |
6814 | PL_errgv = gv_dup(proto_perl->Ierrgv); | |
6815 | ||
6816 | /* shortcuts to debugging objects */ | |
6817 | PL_DBgv = gv_dup(proto_perl->IDBgv); | |
6818 | PL_DBline = gv_dup(proto_perl->IDBline); | |
6819 | PL_DBsub = gv_dup(proto_perl->IDBsub); | |
6820 | PL_DBsingle = sv_dup(proto_perl->IDBsingle); | |
6821 | PL_DBtrace = sv_dup(proto_perl->IDBtrace); | |
6822 | PL_DBsignal = sv_dup(proto_perl->IDBsignal); | |
6823 | PL_lineary = av_dup(proto_perl->Ilineary); | |
6824 | PL_dbargs = av_dup(proto_perl->Idbargs); | |
6825 | ||
6826 | /* symbol tables */ | |
6827 | PL_defstash = hv_dup_inc(proto_perl->Tdefstash); | |
6828 | PL_curstash = hv_dup(proto_perl->Tcurstash); | |
6829 | PL_debstash = hv_dup(proto_perl->Idebstash); | |
6830 | PL_globalstash = hv_dup(proto_perl->Iglobalstash); | |
6831 | PL_curstname = sv_dup_inc(proto_perl->Icurstname); | |
6832 | ||
6833 | PL_beginav = av_dup_inc(proto_perl->Ibeginav); | |
6834 | PL_endav = av_dup_inc(proto_perl->Iendav); | |
6835 | PL_stopav = av_dup_inc(proto_perl->Istopav); | |
6836 | PL_initav = av_dup_inc(proto_perl->Iinitav); | |
6837 | ||
6838 | PL_sub_generation = proto_perl->Isub_generation; | |
6839 | ||
6840 | /* funky return mechanisms */ | |
6841 | PL_forkprocess = proto_perl->Iforkprocess; | |
6842 | ||
6843 | /* subprocess state */ | |
6844 | PL_fdpid = av_dup_inc(proto_perl->Ifdpid); | |
6845 | ||
6846 | /* internal state */ | |
6847 | PL_tainting = proto_perl->Itainting; | |
6848 | PL_maxo = proto_perl->Imaxo; | |
6849 | if (proto_perl->Iop_mask) | |
6850 | PL_op_mask = SAVEPVN(proto_perl->Iop_mask, PL_maxo); | |
6851 | else | |
6852 | PL_op_mask = Nullch; | |
6853 | ||
6854 | /* current interpreter roots */ | |
6855 | PL_main_cv = cv_dup_inc(proto_perl->Imain_cv); | |
6856 | PL_main_root = OpREFCNT_inc(proto_perl->Imain_root); | |
6857 | PL_main_start = proto_perl->Imain_start; | |
6858 | PL_eval_root = OpREFCNT_inc(proto_perl->Ieval_root); | |
6859 | PL_eval_start = proto_perl->Ieval_start; | |
6860 | ||
6861 | /* runtime control stuff */ | |
6862 | PL_curcopdb = (COP*)any_dup(proto_perl->Icurcopdb, proto_perl); | |
6863 | PL_copline = proto_perl->Icopline; | |
6864 | ||
6865 | PL_filemode = proto_perl->Ifilemode; | |
6866 | PL_lastfd = proto_perl->Ilastfd; | |
6867 | PL_oldname = proto_perl->Ioldname; /* XXX not quite right */ | |
6868 | PL_Argv = NULL; | |
6869 | PL_Cmd = Nullch; | |
6870 | PL_gensym = proto_perl->Igensym; | |
6871 | PL_preambled = proto_perl->Ipreambled; | |
6872 | PL_preambleav = av_dup_inc(proto_perl->Ipreambleav); | |
6873 | PL_laststatval = proto_perl->Ilaststatval; | |
6874 | PL_laststype = proto_perl->Ilaststype; | |
6875 | PL_mess_sv = Nullsv; | |
6876 | ||
6877 | PL_orslen = proto_perl->Iorslen; | |
6878 | PL_ors = SAVEPVN(proto_perl->Iors, PL_orslen); | |
6879 | PL_ofmt = SAVEPV(proto_perl->Iofmt); | |
6880 | ||
6881 | /* interpreter atexit processing */ | |
6882 | PL_exitlistlen = proto_perl->Iexitlistlen; | |
6883 | if (PL_exitlistlen) { | |
6884 | New(0, PL_exitlist, PL_exitlistlen, PerlExitListEntry); | |
6885 | Copy(proto_perl->Iexitlist, PL_exitlist, PL_exitlistlen, PerlExitListEntry); | |
6886 | } | |
6887 | else | |
6888 | PL_exitlist = (PerlExitListEntry*)NULL; | |
6889 | PL_modglobal = hv_dup_inc(proto_perl->Imodglobal); | |
6890 | ||
6891 | PL_profiledata = NULL; | |
6892 | PL_rsfp = fp_dup(proto_perl->Irsfp, '<'); | |
6893 | /* PL_rsfp_filters entries have fake IoDIRP() */ | |
6894 | PL_rsfp_filters = av_dup_inc(proto_perl->Irsfp_filters); | |
6895 | ||
6896 | PL_compcv = cv_dup(proto_perl->Icompcv); | |
6897 | PL_comppad = av_dup(proto_perl->Icomppad); | |
6898 | PL_comppad_name = av_dup(proto_perl->Icomppad_name); | |
6899 | PL_comppad_name_fill = proto_perl->Icomppad_name_fill; | |
6900 | PL_comppad_name_floor = proto_perl->Icomppad_name_floor; | |
6901 | PL_curpad = (SV**)ptr_table_fetch(PL_ptr_table, | |
6902 | proto_perl->Tcurpad); | |
6903 | ||
6904 | #ifdef HAVE_INTERP_INTERN | |
6905 | sys_intern_dup(&proto_perl->Isys_intern, &PL_sys_intern); | |
6906 | #endif | |
6907 | ||
6908 | /* more statics moved here */ | |
6909 | PL_generation = proto_perl->Igeneration; | |
6910 | PL_DBcv = cv_dup(proto_perl->IDBcv); | |
1d7c1841 GS |
6911 | |
6912 | PL_in_clean_objs = proto_perl->Iin_clean_objs; | |
6913 | PL_in_clean_all = proto_perl->Iin_clean_all; | |
6914 | ||
6915 | PL_uid = proto_perl->Iuid; | |
6916 | PL_euid = proto_perl->Ieuid; | |
6917 | PL_gid = proto_perl->Igid; | |
6918 | PL_egid = proto_perl->Iegid; | |
6919 | PL_nomemok = proto_perl->Inomemok; | |
6920 | PL_an = proto_perl->Ian; | |
6921 | PL_cop_seqmax = proto_perl->Icop_seqmax; | |
6922 | PL_op_seqmax = proto_perl->Iop_seqmax; | |
6923 | PL_evalseq = proto_perl->Ievalseq; | |
6924 | PL_origenviron = proto_perl->Iorigenviron; /* XXX not quite right */ | |
6925 | PL_origalen = proto_perl->Iorigalen; | |
6926 | PL_pidstatus = newHV(); /* XXX flag for cloning? */ | |
6927 | PL_osname = SAVEPV(proto_perl->Iosname); | |
6928 | PL_sh_path = SAVEPV(proto_perl->Ish_path); | |
6929 | PL_sighandlerp = proto_perl->Isighandlerp; | |
6930 | ||
6931 | ||
6932 | PL_runops = proto_perl->Irunops; | |
6933 | ||
6934 | Copy(proto_perl->Itokenbuf, PL_tokenbuf, 256, char); | |
6935 | ||
6936 | #ifdef CSH | |
6937 | PL_cshlen = proto_perl->Icshlen; | |
6938 | PL_cshname = SAVEPVN(proto_perl->Icshname, PL_cshlen); | |
6939 | #endif | |
6940 | ||
6941 | PL_lex_state = proto_perl->Ilex_state; | |
6942 | PL_lex_defer = proto_perl->Ilex_defer; | |
6943 | PL_lex_expect = proto_perl->Ilex_expect; | |
6944 | PL_lex_formbrack = proto_perl->Ilex_formbrack; | |
6945 | PL_lex_dojoin = proto_perl->Ilex_dojoin; | |
6946 | PL_lex_starts = proto_perl->Ilex_starts; | |
6947 | PL_lex_stuff = sv_dup_inc(proto_perl->Ilex_stuff); | |
6948 | PL_lex_repl = sv_dup_inc(proto_perl->Ilex_repl); | |
6949 | PL_lex_op = proto_perl->Ilex_op; | |
6950 | PL_lex_inpat = proto_perl->Ilex_inpat; | |
6951 | PL_lex_inwhat = proto_perl->Ilex_inwhat; | |
6952 | PL_lex_brackets = proto_perl->Ilex_brackets; | |
6953 | i = (PL_lex_brackets < 120 ? 120 : PL_lex_brackets); | |
6954 | PL_lex_brackstack = SAVEPVN(proto_perl->Ilex_brackstack,i); | |
6955 | PL_lex_casemods = proto_perl->Ilex_casemods; | |
6956 | i = (PL_lex_casemods < 12 ? 12 : PL_lex_casemods); | |
6957 | PL_lex_casestack = SAVEPVN(proto_perl->Ilex_casestack,i); | |
6958 | ||
6959 | Copy(proto_perl->Inextval, PL_nextval, 5, YYSTYPE); | |
6960 | Copy(proto_perl->Inexttype, PL_nexttype, 5, I32); | |
6961 | PL_nexttoke = proto_perl->Inexttoke; | |
6962 | ||
6963 | PL_linestr = sv_dup_inc(proto_perl->Ilinestr); | |
6964 | i = proto_perl->Ibufptr - SvPVX(proto_perl->Ilinestr); | |
6965 | PL_bufptr = SvPVX(PL_linestr) + (i < 0 ? 0 : i); | |
6966 | i = proto_perl->Ioldbufptr - SvPVX(proto_perl->Ilinestr); | |
6967 | PL_oldbufptr = SvPVX(PL_linestr) + (i < 0 ? 0 : i); | |
6968 | i = proto_perl->Ioldoldbufptr - SvPVX(proto_perl->Ilinestr); | |
6969 | PL_oldoldbufptr = SvPVX(PL_linestr) + (i < 0 ? 0 : i); | |
6970 | PL_bufend = SvPVX(PL_linestr) + SvCUR(PL_linestr); | |
6971 | i = proto_perl->Ilinestart - SvPVX(proto_perl->Ilinestr); | |
6972 | PL_linestart = SvPVX(PL_linestr) + (i < 0 ? 0 : i); | |
6973 | PL_pending_ident = proto_perl->Ipending_ident; | |
6974 | PL_sublex_info = proto_perl->Isublex_info; /* XXX not quite right */ | |
6975 | ||
6976 | PL_expect = proto_perl->Iexpect; | |
6977 | ||
6978 | PL_multi_start = proto_perl->Imulti_start; | |
6979 | PL_multi_end = proto_perl->Imulti_end; | |
6980 | PL_multi_open = proto_perl->Imulti_open; | |
6981 | PL_multi_close = proto_perl->Imulti_close; | |
6982 | ||
6983 | PL_error_count = proto_perl->Ierror_count; | |
6984 | PL_subline = proto_perl->Isubline; | |
6985 | PL_subname = sv_dup_inc(proto_perl->Isubname); | |
6986 | ||
6987 | PL_min_intro_pending = proto_perl->Imin_intro_pending; | |
6988 | PL_max_intro_pending = proto_perl->Imax_intro_pending; | |
6989 | PL_padix = proto_perl->Ipadix; | |
6990 | PL_padix_floor = proto_perl->Ipadix_floor; | |
6991 | PL_pad_reset_pending = proto_perl->Ipad_reset_pending; | |
6992 | ||
6993 | i = proto_perl->Ilast_uni - SvPVX(proto_perl->Ilinestr); | |
6994 | PL_last_uni = SvPVX(PL_linestr) + (i < 0 ? 0 : i); | |
6995 | i = proto_perl->Ilast_lop - SvPVX(proto_perl->Ilinestr); | |
6996 | PL_last_lop = SvPVX(PL_linestr) + (i < 0 ? 0 : i); | |
6997 | PL_last_lop_op = proto_perl->Ilast_lop_op; | |
6998 | PL_in_my = proto_perl->Iin_my; | |
6999 | PL_in_my_stash = hv_dup(proto_perl->Iin_my_stash); | |
7000 | #ifdef FCRYPT | |
7001 | PL_cryptseen = proto_perl->Icryptseen; | |
7002 | #endif | |
7003 | ||
7004 | PL_hints = proto_perl->Ihints; | |
7005 | ||
7006 | PL_amagic_generation = proto_perl->Iamagic_generation; | |
7007 | ||
7008 | #ifdef USE_LOCALE_COLLATE | |
7009 | PL_collation_ix = proto_perl->Icollation_ix; | |
7010 | PL_collation_name = SAVEPV(proto_perl->Icollation_name); | |
7011 | PL_collation_standard = proto_perl->Icollation_standard; | |
7012 | PL_collxfrm_base = proto_perl->Icollxfrm_base; | |
7013 | PL_collxfrm_mult = proto_perl->Icollxfrm_mult; | |
7014 | #endif /* USE_LOCALE_COLLATE */ | |
7015 | ||
7016 | #ifdef USE_LOCALE_NUMERIC | |
7017 | PL_numeric_name = SAVEPV(proto_perl->Inumeric_name); | |
7018 | PL_numeric_standard = proto_perl->Inumeric_standard; | |
7019 | PL_numeric_local = proto_perl->Inumeric_local; | |
7020 | PL_numeric_radix = proto_perl->Inumeric_radix; | |
7021 | #endif /* !USE_LOCALE_NUMERIC */ | |
7022 | ||
7023 | /* utf8 character classes */ | |
7024 | PL_utf8_alnum = sv_dup_inc(proto_perl->Iutf8_alnum); | |
7025 | PL_utf8_alnumc = sv_dup_inc(proto_perl->Iutf8_alnumc); | |
7026 | PL_utf8_ascii = sv_dup_inc(proto_perl->Iutf8_ascii); | |
7027 | PL_utf8_alpha = sv_dup_inc(proto_perl->Iutf8_alpha); | |
7028 | PL_utf8_space = sv_dup_inc(proto_perl->Iutf8_space); | |
7029 | PL_utf8_cntrl = sv_dup_inc(proto_perl->Iutf8_cntrl); | |
7030 | PL_utf8_graph = sv_dup_inc(proto_perl->Iutf8_graph); | |
7031 | PL_utf8_digit = sv_dup_inc(proto_perl->Iutf8_digit); | |
7032 | PL_utf8_upper = sv_dup_inc(proto_perl->Iutf8_upper); | |
7033 | PL_utf8_lower = sv_dup_inc(proto_perl->Iutf8_lower); | |
7034 | PL_utf8_print = sv_dup_inc(proto_perl->Iutf8_print); | |
7035 | PL_utf8_punct = sv_dup_inc(proto_perl->Iutf8_punct); | |
7036 | PL_utf8_xdigit = sv_dup_inc(proto_perl->Iutf8_xdigit); | |
7037 | PL_utf8_mark = sv_dup_inc(proto_perl->Iutf8_mark); | |
7038 | PL_utf8_toupper = sv_dup_inc(proto_perl->Iutf8_toupper); | |
7039 | PL_utf8_totitle = sv_dup_inc(proto_perl->Iutf8_totitle); | |
7040 | PL_utf8_tolower = sv_dup_inc(proto_perl->Iutf8_tolower); | |
7041 | ||
7042 | /* swatch cache */ | |
7043 | PL_last_swash_hv = Nullhv; /* reinits on demand */ | |
7044 | PL_last_swash_klen = 0; | |
7045 | PL_last_swash_key[0]= '\0'; | |
7046 | PL_last_swash_tmps = (U8*)NULL; | |
7047 | PL_last_swash_slen = 0; | |
7048 | ||
7049 | /* perly.c globals */ | |
7050 | PL_yydebug = proto_perl->Iyydebug; | |
7051 | PL_yynerrs = proto_perl->Iyynerrs; | |
7052 | PL_yyerrflag = proto_perl->Iyyerrflag; | |
7053 | PL_yychar = proto_perl->Iyychar; | |
7054 | PL_yyval = proto_perl->Iyyval; | |
7055 | PL_yylval = proto_perl->Iyylval; | |
7056 | ||
7057 | PL_glob_index = proto_perl->Iglob_index; | |
7058 | PL_srand_called = proto_perl->Isrand_called; | |
7059 | PL_uudmap['M'] = 0; /* reinits on demand */ | |
7060 | PL_bitcount = Nullch; /* reinits on demand */ | |
7061 | ||
7062 | if (proto_perl->Ipsig_ptr) { | |
7063 | int sig_num[] = { SIG_NUM }; | |
7064 | Newz(0, PL_psig_ptr, sizeof(sig_num)/sizeof(*sig_num), SV*); | |
7065 | Newz(0, PL_psig_name, sizeof(sig_num)/sizeof(*sig_num), SV*); | |
7066 | for (i = 1; PL_sig_name[i]; i++) { | |
7067 | PL_psig_ptr[i] = sv_dup_inc(proto_perl->Ipsig_ptr[i]); | |
7068 | PL_psig_name[i] = sv_dup_inc(proto_perl->Ipsig_name[i]); | |
7069 | } | |
7070 | } | |
7071 | else { | |
7072 | PL_psig_ptr = (SV**)NULL; | |
7073 | PL_psig_name = (SV**)NULL; | |
7074 | } | |
7075 | ||
7076 | /* thrdvar.h stuff */ | |
7077 | ||
7078 | if (flags & 1) { | |
7079 | /* next allocation will be PL_tmps_stack[PL_tmps_ix+1] */ | |
7080 | PL_tmps_ix = proto_perl->Ttmps_ix; | |
7081 | PL_tmps_max = proto_perl->Ttmps_max; | |
7082 | PL_tmps_floor = proto_perl->Ttmps_floor; | |
7083 | Newz(50, PL_tmps_stack, PL_tmps_max, SV*); | |
7084 | i = 0; | |
7085 | while (i <= PL_tmps_ix) { | |
7086 | PL_tmps_stack[i] = sv_dup_inc(proto_perl->Ttmps_stack[i]); | |
7087 | ++i; | |
7088 | } | |
7089 | ||
7090 | /* next PUSHMARK() sets *(PL_markstack_ptr+1) */ | |
7091 | i = proto_perl->Tmarkstack_max - proto_perl->Tmarkstack; | |
7092 | Newz(54, PL_markstack, i, I32); | |
7093 | PL_markstack_max = PL_markstack + (proto_perl->Tmarkstack_max | |
7094 | - proto_perl->Tmarkstack); | |
7095 | PL_markstack_ptr = PL_markstack + (proto_perl->Tmarkstack_ptr | |
7096 | - proto_perl->Tmarkstack); | |
7097 | Copy(proto_perl->Tmarkstack, PL_markstack, | |
7098 | PL_markstack_ptr - PL_markstack + 1, I32); | |
7099 | ||
7100 | /* next push_scope()/ENTER sets PL_scopestack[PL_scopestack_ix] | |
7101 | * NOTE: unlike the others! */ | |
7102 | PL_scopestack_ix = proto_perl->Tscopestack_ix; | |
7103 | PL_scopestack_max = proto_perl->Tscopestack_max; | |
7104 | Newz(54, PL_scopestack, PL_scopestack_max, I32); | |
7105 | Copy(proto_perl->Tscopestack, PL_scopestack, PL_scopestack_ix, I32); | |
7106 | ||
7107 | /* next push_return() sets PL_retstack[PL_retstack_ix] | |
7108 | * NOTE: unlike the others! */ | |
7109 | PL_retstack_ix = proto_perl->Tretstack_ix; | |
7110 | PL_retstack_max = proto_perl->Tretstack_max; | |
7111 | Newz(54, PL_retstack, PL_retstack_max, OP*); | |
7112 | Copy(proto_perl->Tretstack, PL_retstack, PL_retstack_ix, I32); | |
7113 | ||
7114 | /* NOTE: si_dup() looks at PL_markstack */ | |
7115 | PL_curstackinfo = si_dup(proto_perl->Tcurstackinfo); | |
7116 | ||
7117 | /* PL_curstack = PL_curstackinfo->si_stack; */ | |
7118 | PL_curstack = av_dup(proto_perl->Tcurstack); | |
7119 | PL_mainstack = av_dup(proto_perl->Tmainstack); | |
7120 | ||
7121 | /* next PUSHs() etc. set *(PL_stack_sp+1) */ | |
7122 | PL_stack_base = AvARRAY(PL_curstack); | |
7123 | PL_stack_sp = PL_stack_base + (proto_perl->Tstack_sp | |
7124 | - proto_perl->Tstack_base); | |
7125 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
7126 | ||
7127 | /* next SSPUSHFOO() sets PL_savestack[PL_savestack_ix] | |
7128 | * NOTE: unlike the others! */ | |
7129 | PL_savestack_ix = proto_perl->Tsavestack_ix; | |
7130 | PL_savestack_max = proto_perl->Tsavestack_max; | |
7131 | /*Newz(54, PL_savestack, PL_savestack_max, ANY);*/ | |
7132 | PL_savestack = ss_dup(proto_perl); | |
7133 | } | |
7134 | else { | |
7135 | init_stacks(); | |
7136 | } | |
7137 | ||
7138 | PL_start_env = proto_perl->Tstart_env; /* XXXXXX */ | |
7139 | PL_top_env = &PL_start_env; | |
7140 | ||
7141 | PL_op = proto_perl->Top; | |
7142 | ||
7143 | PL_Sv = Nullsv; | |
7144 | PL_Xpv = (XPV*)NULL; | |
7145 | PL_na = proto_perl->Tna; | |
7146 | ||
7147 | PL_statbuf = proto_perl->Tstatbuf; | |
7148 | PL_statcache = proto_perl->Tstatcache; | |
7149 | PL_statgv = gv_dup(proto_perl->Tstatgv); | |
7150 | PL_statname = sv_dup_inc(proto_perl->Tstatname); | |
7151 | #ifdef HAS_TIMES | |
7152 | PL_timesbuf = proto_perl->Ttimesbuf; | |
7153 | #endif | |
7154 | ||
7155 | PL_tainted = proto_perl->Ttainted; | |
7156 | PL_curpm = proto_perl->Tcurpm; /* XXX No PMOP ref count */ | |
7157 | PL_nrs = sv_dup_inc(proto_perl->Tnrs); | |
7158 | PL_rs = sv_dup_inc(proto_perl->Trs); | |
7159 | PL_last_in_gv = gv_dup(proto_perl->Tlast_in_gv); | |
7160 | PL_ofslen = proto_perl->Tofslen; | |
7161 | PL_ofs = SAVEPVN(proto_perl->Tofs, PL_ofslen); | |
7162 | PL_defoutgv = gv_dup_inc(proto_perl->Tdefoutgv); | |
7163 | PL_chopset = proto_perl->Tchopset; /* XXX never deallocated */ | |
7164 | PL_toptarget = sv_dup_inc(proto_perl->Ttoptarget); | |
7165 | PL_bodytarget = sv_dup_inc(proto_perl->Tbodytarget); | |
7166 | PL_formtarget = sv_dup(proto_perl->Tformtarget); | |
7167 | ||
7168 | PL_restartop = proto_perl->Trestartop; | |
7169 | PL_in_eval = proto_perl->Tin_eval; | |
7170 | PL_delaymagic = proto_perl->Tdelaymagic; | |
7171 | PL_dirty = proto_perl->Tdirty; | |
7172 | PL_localizing = proto_perl->Tlocalizing; | |
7173 | ||
7174 | PL_protect = proto_perl->Tprotect; | |
7175 | PL_errors = sv_dup_inc(proto_perl->Terrors); | |
7176 | PL_av_fetch_sv = Nullsv; | |
7177 | PL_hv_fetch_sv = Nullsv; | |
7178 | Zero(&PL_hv_fetch_ent_mh, 1, HE); /* XXX */ | |
7179 | PL_modcount = proto_perl->Tmodcount; | |
7180 | PL_lastgotoprobe = Nullop; | |
7181 | PL_dumpindent = proto_perl->Tdumpindent; | |
7182 | ||
7183 | PL_sortcop = (OP*)any_dup(proto_perl->Tsortcop, proto_perl); | |
7184 | PL_sortstash = hv_dup(proto_perl->Tsortstash); | |
7185 | PL_firstgv = gv_dup(proto_perl->Tfirstgv); | |
7186 | PL_secondgv = gv_dup(proto_perl->Tsecondgv); | |
7187 | PL_sortcxix = proto_perl->Tsortcxix; | |
7188 | PL_efloatbuf = Nullch; /* reinits on demand */ | |
7189 | PL_efloatsize = 0; /* reinits on demand */ | |
7190 | ||
7191 | /* regex stuff */ | |
7192 | ||
7193 | PL_screamfirst = NULL; | |
7194 | PL_screamnext = NULL; | |
7195 | PL_maxscream = -1; /* reinits on demand */ | |
7196 | PL_lastscream = Nullsv; | |
7197 | ||
7198 | PL_watchaddr = NULL; | |
7199 | PL_watchok = Nullch; | |
7200 | ||
7201 | PL_regdummy = proto_perl->Tregdummy; | |
7202 | PL_regcomp_parse = Nullch; | |
7203 | PL_regxend = Nullch; | |
7204 | PL_regcode = (regnode*)NULL; | |
7205 | PL_regnaughty = 0; | |
7206 | PL_regsawback = 0; | |
7207 | PL_regprecomp = Nullch; | |
7208 | PL_regnpar = 0; | |
7209 | PL_regsize = 0; | |
7210 | PL_regflags = 0; | |
7211 | PL_regseen = 0; | |
7212 | PL_seen_zerolen = 0; | |
7213 | PL_seen_evals = 0; | |
7214 | PL_regcomp_rx = (regexp*)NULL; | |
7215 | PL_extralen = 0; | |
7216 | PL_colorset = 0; /* reinits PL_colors[] */ | |
7217 | /*PL_colors[6] = {0,0,0,0,0,0};*/ | |
7218 | PL_reg_whilem_seen = 0; | |
7219 | PL_reginput = Nullch; | |
7220 | PL_regbol = Nullch; | |
7221 | PL_regeol = Nullch; | |
7222 | PL_regstartp = (I32*)NULL; | |
7223 | PL_regendp = (I32*)NULL; | |
7224 | PL_reglastparen = (U32*)NULL; | |
7225 | PL_regtill = Nullch; | |
7226 | PL_regprev = '\n'; | |
7227 | PL_reg_start_tmp = (char**)NULL; | |
7228 | PL_reg_start_tmpl = 0; | |
7229 | PL_regdata = (struct reg_data*)NULL; | |
7230 | PL_bostr = Nullch; | |
7231 | PL_reg_flags = 0; | |
7232 | PL_reg_eval_set = 0; | |
7233 | PL_regnarrate = 0; | |
7234 | PL_regprogram = (regnode*)NULL; | |
7235 | PL_regindent = 0; | |
7236 | PL_regcc = (CURCUR*)NULL; | |
7237 | PL_reg_call_cc = (struct re_cc_state*)NULL; | |
7238 | PL_reg_re = (regexp*)NULL; | |
7239 | PL_reg_ganch = Nullch; | |
7240 | PL_reg_sv = Nullsv; | |
7241 | PL_reg_magic = (MAGIC*)NULL; | |
7242 | PL_reg_oldpos = 0; | |
7243 | PL_reg_oldcurpm = (PMOP*)NULL; | |
7244 | PL_reg_curpm = (PMOP*)NULL; | |
7245 | PL_reg_oldsaved = Nullch; | |
7246 | PL_reg_oldsavedlen = 0; | |
7247 | PL_reg_maxiter = 0; | |
7248 | PL_reg_leftiter = 0; | |
7249 | PL_reg_poscache = Nullch; | |
7250 | PL_reg_poscache_size= 0; | |
7251 | ||
7252 | /* RE engine - function pointers */ | |
7253 | PL_regcompp = proto_perl->Tregcompp; | |
7254 | PL_regexecp = proto_perl->Tregexecp; | |
7255 | PL_regint_start = proto_perl->Tregint_start; | |
7256 | PL_regint_string = proto_perl->Tregint_string; | |
7257 | PL_regfree = proto_perl->Tregfree; | |
7258 | ||
7259 | PL_reginterp_cnt = 0; | |
7260 | PL_reg_starttry = 0; | |
7261 | ||
7262 | #ifdef PERL_OBJECT | |
7263 | return (PerlInterpreter*)pPerl; | |
7264 | #else | |
7265 | return my_perl; | |
7266 | #endif | |
7267 | } | |
7268 | ||
7269 | #else /* !USE_ITHREADS */ | |
51371543 GS |
7270 | |
7271 | #ifdef PERL_OBJECT | |
51371543 GS |
7272 | #include "XSUB.h" |
7273 | #endif | |
7274 | ||
1d7c1841 GS |
7275 | #endif /* USE_ITHREADS */ |
7276 | ||
51371543 GS |
7277 | static void |
7278 | do_report_used(pTHXo_ SV *sv) | |
7279 | { | |
7280 | if (SvTYPE(sv) != SVTYPEMASK) { | |
bf49b057 | 7281 | PerlIO_printf(Perl_debug_log, "****\n"); |
51371543 GS |
7282 | sv_dump(sv); |
7283 | } | |
7284 | } | |
7285 | ||
7286 | static void | |
7287 | do_clean_objs(pTHXo_ SV *sv) | |
7288 | { | |
7289 | SV* rv; | |
7290 | ||
7291 | if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) { | |
7292 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));) | |
7293 | SvROK_off(sv); | |
7294 | SvRV(sv) = 0; | |
7295 | SvREFCNT_dec(rv); | |
7296 | } | |
7297 | ||
7298 | /* XXX Might want to check arrays, etc. */ | |
7299 | } | |
7300 | ||
7301 | #ifndef DISABLE_DESTRUCTOR_KLUDGE | |
7302 | static void | |
7303 | do_clean_named_objs(pTHXo_ SV *sv) | |
7304 | { | |
f472eb5c | 7305 | if (SvTYPE(sv) == SVt_PVGV && GvGP(sv)) { |
51371543 GS |
7306 | if ( SvOBJECT(GvSV(sv)) || |
7307 | GvAV(sv) && SvOBJECT(GvAV(sv)) || | |
7308 | GvHV(sv) && SvOBJECT(GvHV(sv)) || | |
7309 | GvIO(sv) && SvOBJECT(GvIO(sv)) || | |
7310 | GvCV(sv) && SvOBJECT(GvCV(sv)) ) | |
7311 | { | |
7312 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning named glob object:\n "), sv_dump(sv));) | |
7313 | SvREFCNT_dec(sv); | |
7314 | } | |
7315 | } | |
7316 | } | |
7317 | #endif | |
7318 | ||
7319 | static void | |
7320 | do_clean_all(pTHXo_ SV *sv) | |
7321 | { | |
1d7c1841 | 7322 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops: SV at 0x%"UVxf"\n", PTR2UV(sv)) );) |
51371543 GS |
7323 | SvFLAGS(sv) |= SVf_BREAK; |
7324 | SvREFCNT_dec(sv); | |
7325 | } | |
7326 |