Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* sv.c |
79072805 | 2 | * |
9607fc9c | 3 | * Copyright (c) 1991-1997, 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" | |
15 | #include "perl.h" | |
79072805 | 16 | |
c07a80fd | 17 | #ifdef OVR_DBL_DIG |
18 | /* Use an overridden DBL_DIG */ | |
19 | # ifdef DBL_DIG | |
20 | # undef DBL_DIG | |
21 | # endif | |
22 | # define DBL_DIG OVR_DBL_DIG | |
23 | #else | |
a0d0e21e LW |
24 | /* The following is all to get DBL_DIG, in order to pick a nice |
25 | default value for printing floating point numbers in Gconvert. | |
26 | (see config.h) | |
27 | */ | |
28 | #ifdef I_LIMITS | |
29 | #include <limits.h> | |
30 | #endif | |
31 | #ifdef I_FLOAT | |
32 | #include <float.h> | |
33 | #endif | |
34 | #ifndef HAS_DBL_DIG | |
35 | #define DBL_DIG 15 /* A guess that works lots of places */ | |
36 | #endif | |
c07a80fd | 37 | #endif |
38 | ||
1edc1566 | 39 | #if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE) && !defined(__QNX__) |
c07a80fd | 40 | # define FAST_SV_GETS |
41 | #endif | |
a0d0e21e | 42 | |
76e3520e GS |
43 | #ifdef PERL_OBJECT |
44 | #define FCALL this->*f | |
45 | #define VTBL this->*vtbl | |
46 | ||
47 | #else /* !PERL_OBJECT */ | |
48 | ||
36477c24 | 49 | static IV asIV _((SV* sv)); |
50 | static UV asUV _((SV* sv)); | |
a0d0e21e | 51 | static SV *more_sv _((void)); |
31e3abc2 GB |
52 | static void more_xiv _((void)); |
53 | static void more_xnv _((void)); | |
54 | static void more_xpv _((void)); | |
55 | static void more_xrv _((void)); | |
a0d0e21e LW |
56 | static XPVIV *new_xiv _((void)); |
57 | static XPVNV *new_xnv _((void)); | |
58 | static XPV *new_xpv _((void)); | |
59 | static XRV *new_xrv _((void)); | |
60 | static void del_xiv _((XPVIV* p)); | |
61 | static void del_xnv _((XPVNV* p)); | |
62 | static void del_xpv _((XPV* p)); | |
63 | static void del_xrv _((XRV* p)); | |
64 | static void sv_mortalgrow _((void)); | |
a0d0e21e | 65 | static void sv_unglob _((SV* sv)); |
0f15f207 | 66 | static void sv_check_thinkfirst _((SV *sv)); |
a0d0e21e | 67 | |
d665c133 GS |
68 | #ifndef PURIFY |
69 | static void *my_safemalloc(MEM_SIZE size); | |
70 | #endif | |
71 | ||
4561caa4 | 72 | typedef void (*SVFUNC) _((SV*)); |
76e3520e GS |
73 | #define VTBL *vtbl |
74 | #define FCALL *f | |
75 | ||
76 | #endif /* PERL_OBJECT */ | |
4561caa4 | 77 | |
2c5424a7 GS |
78 | #define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) sv_check_thinkfirst(sv) |
79 | ||
a0d0e21e | 80 | #ifdef PURIFY |
79072805 | 81 | |
4561caa4 CS |
82 | #define new_SV(p) \ |
83 | do { \ | |
940cb80d | 84 | LOCK_SV_MUTEX; \ |
4561caa4 CS |
85 | (p) = (SV*)safemalloc(sizeof(SV)); \ |
86 | reg_add(p); \ | |
940cb80d | 87 | UNLOCK_SV_MUTEX; \ |
4561caa4 CS |
88 | } while (0) |
89 | ||
90 | #define del_SV(p) \ | |
91 | do { \ | |
940cb80d | 92 | LOCK_SV_MUTEX; \ |
4561caa4 | 93 | reg_remove(p); \ |
6ad3d225 | 94 | Safefree((char*)(p)); \ |
940cb80d | 95 | UNLOCK_SV_MUTEX; \ |
4561caa4 CS |
96 | } while (0) |
97 | ||
98 | static SV **registry; | |
00db4c45 | 99 | static I32 registry_size; |
4561caa4 CS |
100 | |
101 | #define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size)) | |
102 | ||
103 | #define REG_REPLACE(sv,a,b) \ | |
104 | do { \ | |
105 | void* p = sv->sv_any; \ | |
00db4c45 | 106 | I32 h = REGHASH(sv, registry_size); \ |
4561caa4 CS |
107 | I32 i = h; \ |
108 | while (registry[i] != (a)) { \ | |
00db4c45 | 109 | if (++i >= registry_size) \ |
4561caa4 CS |
110 | i = 0; \ |
111 | if (i == h) \ | |
112 | die("SV registry bug"); \ | |
113 | } \ | |
114 | registry[i] = (b); \ | |
115 | } while (0) | |
116 | ||
117 | #define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv) | |
118 | #define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv) | |
119 | ||
120 | static void | |
121 | reg_add(sv) | |
122 | SV* sv; | |
123 | { | |
3280af22 | 124 | if (PL_sv_count >= (registry_size >> 1)) |
4561caa4 CS |
125 | { |
126 | SV **oldreg = registry; | |
00db4c45 | 127 | I32 oldsize = registry_size; |
4561caa4 | 128 | |
00db4c45 GS |
129 | registry_size = registry_size ? ((registry_size << 2) + 1) : 2037; |
130 | Newz(707, registry, registry_size, SV*); | |
4561caa4 CS |
131 | |
132 | if (oldreg) { | |
133 | I32 i; | |
134 | ||
135 | for (i = 0; i < oldsize; ++i) { | |
136 | SV* oldsv = oldreg[i]; | |
137 | if (oldsv) | |
138 | REG_ADD(oldsv); | |
139 | } | |
140 | Safefree(oldreg); | |
141 | } | |
142 | } | |
143 | ||
144 | REG_ADD(sv); | |
3280af22 | 145 | ++PL_sv_count; |
4561caa4 CS |
146 | } |
147 | ||
148 | static void | |
149 | reg_remove(sv) | |
150 | SV* sv; | |
151 | { | |
152 | REG_REMOVE(sv); | |
3280af22 | 153 | --PL_sv_count; |
4561caa4 CS |
154 | } |
155 | ||
156 | static void | |
157 | visit(f) | |
158 | SVFUNC f; | |
159 | { | |
160 | I32 i; | |
161 | ||
00db4c45 | 162 | for (i = 0; i < registry_size; ++i) { |
4561caa4 | 163 | SV* sv = registry[i]; |
00db4c45 | 164 | if (sv && SvTYPE(sv) != SVTYPEMASK) |
4561caa4 CS |
165 | (*f)(sv); |
166 | } | |
167 | } | |
a0d0e21e | 168 | |
4633a7c4 LW |
169 | void |
170 | sv_add_arena(ptr, size, flags) | |
171 | char* ptr; | |
172 | U32 size; | |
173 | U32 flags; | |
174 | { | |
175 | if (!(flags & SVf_FAKE)) | |
6ad3d225 | 176 | Safefree(ptr); |
4633a7c4 LW |
177 | } |
178 | ||
4561caa4 CS |
179 | #else /* ! PURIFY */ |
180 | ||
181 | /* | |
182 | * "A time to plant, and a time to uproot what was planted..." | |
183 | */ | |
184 | ||
185 | #define plant_SV(p) \ | |
186 | do { \ | |
3280af22 | 187 | SvANY(p) = (void *)PL_sv_root; \ |
4561caa4 | 188 | SvFLAGS(p) = SVTYPEMASK; \ |
3280af22 NIS |
189 | PL_sv_root = (p); \ |
190 | --PL_sv_count; \ | |
4561caa4 | 191 | } while (0) |
a0d0e21e | 192 | |
fba3b22e | 193 | /* sv_mutex must be held while calling uproot_SV() */ |
fc36a67e | 194 | #define uproot_SV(p) \ |
4561caa4 | 195 | do { \ |
3280af22 NIS |
196 | (p) = PL_sv_root; \ |
197 | PL_sv_root = (SV*)SvANY(p); \ | |
198 | ++PL_sv_count; \ | |
4561caa4 | 199 | } while (0) |
463ee0b2 | 200 | |
940cb80d MB |
201 | #define new_SV(p) do { \ |
202 | LOCK_SV_MUTEX; \ | |
3280af22 | 203 | if (PL_sv_root) \ |
940cb80d MB |
204 | uproot_SV(p); \ |
205 | else \ | |
206 | (p) = more_sv(); \ | |
207 | UNLOCK_SV_MUTEX; \ | |
fba3b22e | 208 | } while (0) |
463ee0b2 | 209 | |
a0d0e21e | 210 | #ifdef DEBUGGING |
4561caa4 | 211 | |
940cb80d MB |
212 | #define del_SV(p) do { \ |
213 | LOCK_SV_MUTEX; \ | |
3280af22 | 214 | if (PL_debug & 32768) \ |
940cb80d MB |
215 | del_sv(p); \ |
216 | else \ | |
217 | plant_SV(p); \ | |
218 | UNLOCK_SV_MUTEX; \ | |
fba3b22e | 219 | } while (0) |
a0d0e21e | 220 | |
76e3520e | 221 | STATIC void |
8ac85365 | 222 | del_sv(SV *p) |
463ee0b2 | 223 | { |
3280af22 | 224 | if (PL_debug & 32768) { |
4633a7c4 | 225 | SV* sva; |
a0d0e21e LW |
226 | SV* sv; |
227 | SV* svend; | |
228 | int ok = 0; | |
3280af22 | 229 | for (sva = PL_sv_arenaroot; sva; sva = (SV *) SvANY(sva)) { |
4633a7c4 LW |
230 | sv = sva + 1; |
231 | svend = &sva[SvREFCNT(sva)]; | |
a0d0e21e LW |
232 | if (p >= sv && p < svend) |
233 | ok = 1; | |
234 | } | |
235 | if (!ok) { | |
236 | warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p); | |
237 | return; | |
238 | } | |
239 | } | |
4561caa4 | 240 | plant_SV(p); |
463ee0b2 | 241 | } |
a0d0e21e | 242 | |
4561caa4 CS |
243 | #else /* ! DEBUGGING */ |
244 | ||
245 | #define del_SV(p) plant_SV(p) | |
246 | ||
247 | #endif /* DEBUGGING */ | |
463ee0b2 | 248 | |
4633a7c4 | 249 | void |
8ac85365 | 250 | sv_add_arena(char *ptr, U32 size, U32 flags) |
463ee0b2 | 251 | { |
4633a7c4 | 252 | SV* sva = (SV*)ptr; |
463ee0b2 LW |
253 | register SV* sv; |
254 | register SV* svend; | |
4633a7c4 LW |
255 | Zero(sva, size, char); |
256 | ||
257 | /* The first SV in an arena isn't an SV. */ | |
3280af22 | 258 | SvANY(sva) = (void *) PL_sv_arenaroot; /* ptr to next arena */ |
4633a7c4 LW |
259 | SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */ |
260 | SvFLAGS(sva) = flags; /* FAKE if not to be freed */ | |
261 | ||
3280af22 NIS |
262 | PL_sv_arenaroot = sva; |
263 | PL_sv_root = sva + 1; | |
4633a7c4 LW |
264 | |
265 | svend = &sva[SvREFCNT(sva) - 1]; | |
266 | sv = sva + 1; | |
463ee0b2 | 267 | while (sv < svend) { |
a0d0e21e | 268 | SvANY(sv) = (void *)(SV*)(sv + 1); |
8990e307 | 269 | SvFLAGS(sv) = SVTYPEMASK; |
463ee0b2 LW |
270 | sv++; |
271 | } | |
272 | SvANY(sv) = 0; | |
4633a7c4 LW |
273 | SvFLAGS(sv) = SVTYPEMASK; |
274 | } | |
275 | ||
fba3b22e | 276 | /* sv_mutex must be held while calling more_sv() */ |
76e3520e | 277 | STATIC SV* |
8ac85365 | 278 | more_sv(void) |
4633a7c4 | 279 | { |
4561caa4 CS |
280 | register SV* sv; |
281 | ||
3280af22 NIS |
282 | if (PL_nice_chunk) { |
283 | sv_add_arena(PL_nice_chunk, PL_nice_chunk_size, 0); | |
284 | PL_nice_chunk = Nullch; | |
c07a80fd | 285 | } |
1edc1566 | 286 | else { |
287 | char *chunk; /* must use New here to match call to */ | |
288 | New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */ | |
289 | sv_add_arena(chunk, 1008, 0); | |
290 | } | |
4561caa4 CS |
291 | uproot_SV(sv); |
292 | return sv; | |
463ee0b2 LW |
293 | } |
294 | ||
76e3520e | 295 | STATIC void |
8ac85365 | 296 | visit(SVFUNC f) |
8990e307 | 297 | { |
4633a7c4 | 298 | SV* sva; |
8990e307 LW |
299 | SV* sv; |
300 | register SV* svend; | |
301 | ||
3280af22 | 302 | for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { |
4633a7c4 | 303 | svend = &sva[SvREFCNT(sva)]; |
4561caa4 CS |
304 | for (sv = sva + 1; sv < svend; ++sv) { |
305 | if (SvTYPE(sv) != SVTYPEMASK) | |
76e3520e | 306 | (FCALL)(sv); |
8990e307 LW |
307 | } |
308 | } | |
309 | } | |
310 | ||
4561caa4 CS |
311 | #endif /* PURIFY */ |
312 | ||
76e3520e | 313 | STATIC void |
8ac85365 | 314 | do_report_used(SV *sv) |
4561caa4 CS |
315 | { |
316 | if (SvTYPE(sv) != SVTYPEMASK) { | |
d1bf51dd | 317 | /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */ |
4561caa4 CS |
318 | PerlIO_printf(PerlIO_stderr(), "****\n"); |
319 | sv_dump(sv); | |
320 | } | |
321 | } | |
322 | ||
8990e307 | 323 | void |
8ac85365 | 324 | sv_report_used(void) |
4561caa4 | 325 | { |
ac4c12e7 | 326 | visit(FUNC_NAME_TO_PTR(do_report_used)); |
4561caa4 CS |
327 | } |
328 | ||
76e3520e | 329 | STATIC void |
8ac85365 | 330 | do_clean_objs(SV *sv) |
8990e307 | 331 | { |
a0d0e21e | 332 | SV* rv; |
8990e307 | 333 | |
4561caa4 | 334 | if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) { |
d1bf51dd | 335 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));) |
4561caa4 CS |
336 | SvROK_off(sv); |
337 | SvRV(sv) = 0; | |
338 | SvREFCNT_dec(rv); | |
a5f75d66 | 339 | } |
4561caa4 CS |
340 | |
341 | /* XXX Might want to check arrays, etc. */ | |
342 | } | |
343 | ||
344 | #ifndef DISABLE_DESTRUCTOR_KLUDGE | |
76e3520e | 345 | STATIC void |
8ac85365 | 346 | do_clean_named_objs(SV *sv) |
4561caa4 | 347 | { |
51ae5c03 JPC |
348 | if (SvTYPE(sv) == SVt_PVGV) { |
349 | if ( SvOBJECT(GvSV(sv)) || | |
350 | GvAV(sv) && SvOBJECT(GvAV(sv)) || | |
351 | GvHV(sv) && SvOBJECT(GvHV(sv)) || | |
352 | GvIO(sv) && SvOBJECT(GvIO(sv)) || | |
353 | GvCV(sv) && SvOBJECT(GvCV(sv)) ) | |
354 | { | |
355 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning named glob object:\n "), sv_dump(sv));) | |
356 | SvREFCNT_dec(sv); | |
357 | } | |
51ae5c03 | 358 | } |
4561caa4 | 359 | } |
a5f75d66 | 360 | #endif |
4561caa4 CS |
361 | |
362 | void | |
8ac85365 | 363 | sv_clean_objs(void) |
4561caa4 | 364 | { |
3280af22 | 365 | PL_in_clean_objs = TRUE; |
2d0f3c12 | 366 | visit(FUNC_NAME_TO_PTR(do_clean_objs)); |
4561caa4 | 367 | #ifndef DISABLE_DESTRUCTOR_KLUDGE |
2d0f3c12 | 368 | /* some barnacles may yet remain, clinging to typeglobs */ |
ac4c12e7 | 369 | visit(FUNC_NAME_TO_PTR(do_clean_named_objs)); |
4561caa4 | 370 | #endif |
3280af22 | 371 | PL_in_clean_objs = FALSE; |
4561caa4 CS |
372 | } |
373 | ||
76e3520e | 374 | STATIC void |
8ac85365 | 375 | do_clean_all(SV *sv) |
4561caa4 | 376 | { |
01bc8b8d | 377 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops: SV at 0x%lx\n", sv) );) |
4561caa4 CS |
378 | SvFLAGS(sv) |= SVf_BREAK; |
379 | SvREFCNT_dec(sv); | |
8990e307 LW |
380 | } |
381 | ||
382 | void | |
8ac85365 | 383 | sv_clean_all(void) |
8990e307 | 384 | { |
3280af22 | 385 | PL_in_clean_all = TRUE; |
ac4c12e7 | 386 | visit(FUNC_NAME_TO_PTR(do_clean_all)); |
3280af22 | 387 | PL_in_clean_all = FALSE; |
8990e307 | 388 | } |
463ee0b2 | 389 | |
4633a7c4 | 390 | void |
8ac85365 | 391 | sv_free_arenas(void) |
4633a7c4 LW |
392 | { |
393 | SV* sva; | |
394 | SV* svanext; | |
395 | ||
396 | /* Free arenas here, but be careful about fake ones. (We assume | |
397 | contiguity of the fake ones with the corresponding real ones.) */ | |
398 | ||
3280af22 | 399 | for (sva = PL_sv_arenaroot; sva; sva = svanext) { |
4633a7c4 LW |
400 | svanext = (SV*) SvANY(sva); |
401 | while (svanext && SvFAKE(svanext)) | |
402 | svanext = (SV*) SvANY(svanext); | |
403 | ||
404 | if (!SvFAKE(sva)) | |
1edc1566 | 405 | Safefree((void *)sva); |
4633a7c4 | 406 | } |
5f05dabc | 407 | |
3280af22 NIS |
408 | if (PL_nice_chunk) |
409 | Safefree(PL_nice_chunk); | |
410 | PL_nice_chunk = Nullch; | |
411 | PL_nice_chunk_size = 0; | |
412 | PL_sv_arenaroot = 0; | |
413 | PL_sv_root = 0; | |
4633a7c4 LW |
414 | } |
415 | ||
76e3520e | 416 | STATIC XPVIV* |
8ac85365 | 417 | new_xiv(void) |
463ee0b2 | 418 | { |
ea7c11a3 | 419 | IV* xiv; |
31e3abc2 GB |
420 | LOCK_SV_MUTEX; |
421 | if (!PL_xiv_root) | |
422 | more_xiv(); | |
423 | xiv = PL_xiv_root; | |
424 | /* | |
425 | * See comment in more_xiv() -- RAM. | |
426 | */ | |
427 | PL_xiv_root = *(IV**)xiv; | |
428 | UNLOCK_SV_MUTEX; | |
429 | return (XPVIV*)((char*)xiv - STRUCT_OFFSET(XPVIV, xiv_iv)); | |
463ee0b2 LW |
430 | } |
431 | ||
76e3520e | 432 | STATIC void |
8ac85365 | 433 | del_xiv(XPVIV *p) |
463ee0b2 | 434 | { |
23e6a22f | 435 | IV* xiv = (IV*)((char*)(p) + STRUCT_OFFSET(XPVIV, xiv_iv)); |
31e3abc2 | 436 | LOCK_SV_MUTEX; |
3280af22 NIS |
437 | *(IV**)xiv = PL_xiv_root; |
438 | PL_xiv_root = xiv; | |
31e3abc2 | 439 | UNLOCK_SV_MUTEX; |
463ee0b2 LW |
440 | } |
441 | ||
31e3abc2 | 442 | STATIC void |
8ac85365 | 443 | more_xiv(void) |
463ee0b2 | 444 | { |
ea7c11a3 SM |
445 | register IV* xiv; |
446 | register IV* xivend; | |
8c52afec IZ |
447 | XPV* ptr; |
448 | New(705, ptr, 1008/sizeof(XPV), XPV); | |
3280af22 NIS |
449 | ptr->xpv_pv = (char*)PL_xiv_arenaroot; /* linked list of xiv arenas */ |
450 | PL_xiv_arenaroot = ptr; /* to keep Purify happy */ | |
a0d0e21e | 451 | |
ea7c11a3 SM |
452 | xiv = (IV*) ptr; |
453 | xivend = &xiv[1008 / sizeof(IV) - 1]; | |
454 | xiv += (sizeof(XPV) - 1) / sizeof(IV) + 1; /* fudge by size of XPV */ | |
3280af22 | 455 | PL_xiv_root = xiv; |
463ee0b2 | 456 | while (xiv < xivend) { |
ea7c11a3 | 457 | *(IV**)xiv = (IV *)(xiv + 1); |
463ee0b2 LW |
458 | xiv++; |
459 | } | |
ea7c11a3 | 460 | *(IV**)xiv = 0; |
463ee0b2 LW |
461 | } |
462 | ||
76e3520e | 463 | STATIC XPVNV* |
8ac85365 | 464 | new_xnv(void) |
463ee0b2 LW |
465 | { |
466 | double* xnv; | |
31e3abc2 GB |
467 | LOCK_SV_MUTEX; |
468 | if (!PL_xnv_root) | |
469 | more_xnv(); | |
470 | xnv = PL_xnv_root; | |
471 | PL_xnv_root = *(double**)xnv; | |
472 | UNLOCK_SV_MUTEX; | |
473 | return (XPVNV*)((char*)xnv - STRUCT_OFFSET(XPVNV, xnv_nv)); | |
463ee0b2 LW |
474 | } |
475 | ||
76e3520e | 476 | STATIC void |
8ac85365 | 477 | del_xnv(XPVNV *p) |
463ee0b2 | 478 | { |
23e6a22f | 479 | double* xnv = (double*)((char*)(p) + STRUCT_OFFSET(XPVNV, xnv_nv)); |
31e3abc2 GB |
480 | LOCK_SV_MUTEX; |
481 | *(double**)xnv = PL_xnv_root; | |
482 | PL_xnv_root = xnv; | |
483 | UNLOCK_SV_MUTEX; | |
463ee0b2 LW |
484 | } |
485 | ||
31e3abc2 | 486 | STATIC void |
8ac85365 | 487 | more_xnv(void) |
463ee0b2 | 488 | { |
463ee0b2 LW |
489 | register double* xnv; |
490 | register double* xnvend; | |
8c52afec | 491 | New(711, xnv, 1008/sizeof(double), double); |
463ee0b2 LW |
492 | xnvend = &xnv[1008 / sizeof(double) - 1]; |
493 | xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */ | |
3280af22 | 494 | PL_xnv_root = xnv; |
463ee0b2 LW |
495 | while (xnv < xnvend) { |
496 | *(double**)xnv = (double*)(xnv + 1); | |
497 | xnv++; | |
498 | } | |
499 | *(double**)xnv = 0; | |
463ee0b2 LW |
500 | } |
501 | ||
76e3520e | 502 | STATIC XRV* |
8ac85365 | 503 | new_xrv(void) |
ed6116ce LW |
504 | { |
505 | XRV* xrv; | |
31e3abc2 GB |
506 | LOCK_SV_MUTEX; |
507 | if (!PL_xrv_root) | |
508 | more_xrv(); | |
509 | xrv = PL_xrv_root; | |
510 | PL_xrv_root = (XRV*)xrv->xrv_rv; | |
511 | UNLOCK_SV_MUTEX; | |
512 | return xrv; | |
ed6116ce LW |
513 | } |
514 | ||
76e3520e | 515 | STATIC void |
8ac85365 | 516 | del_xrv(XRV *p) |
ed6116ce | 517 | { |
31e3abc2 GB |
518 | LOCK_SV_MUTEX; |
519 | p->xrv_rv = (SV*)PL_xrv_root; | |
520 | PL_xrv_root = p; | |
521 | UNLOCK_SV_MUTEX; | |
ed6116ce LW |
522 | } |
523 | ||
31e3abc2 | 524 | STATIC void |
8ac85365 | 525 | more_xrv(void) |
ed6116ce | 526 | { |
ed6116ce LW |
527 | register XRV* xrv; |
528 | register XRV* xrvend; | |
3280af22 NIS |
529 | New(712, PL_xrv_root, 1008/sizeof(XRV), XRV); |
530 | xrv = PL_xrv_root; | |
ed6116ce LW |
531 | xrvend = &xrv[1008 / sizeof(XRV) - 1]; |
532 | while (xrv < xrvend) { | |
533 | xrv->xrv_rv = (SV*)(xrv + 1); | |
534 | xrv++; | |
535 | } | |
536 | xrv->xrv_rv = 0; | |
ed6116ce LW |
537 | } |
538 | ||
76e3520e | 539 | STATIC XPV* |
8ac85365 | 540 | new_xpv(void) |
463ee0b2 LW |
541 | { |
542 | XPV* xpv; | |
31e3abc2 GB |
543 | LOCK_SV_MUTEX; |
544 | if (!PL_xpv_root) | |
545 | more_xpv(); | |
546 | xpv = PL_xpv_root; | |
547 | PL_xpv_root = (XPV*)xpv->xpv_pv; | |
548 | UNLOCK_SV_MUTEX; | |
549 | return xpv; | |
463ee0b2 LW |
550 | } |
551 | ||
76e3520e | 552 | STATIC void |
8ac85365 | 553 | del_xpv(XPV *p) |
463ee0b2 | 554 | { |
31e3abc2 GB |
555 | LOCK_SV_MUTEX; |
556 | p->xpv_pv = (char*)PL_xpv_root; | |
557 | PL_xpv_root = p; | |
558 | UNLOCK_SV_MUTEX; | |
463ee0b2 LW |
559 | } |
560 | ||
31e3abc2 | 561 | STATIC void |
8ac85365 | 562 | more_xpv(void) |
463ee0b2 | 563 | { |
463ee0b2 LW |
564 | register XPV* xpv; |
565 | register XPV* xpvend; | |
3280af22 NIS |
566 | New(713, PL_xpv_root, 1008/sizeof(XPV), XPV); |
567 | xpv = PL_xpv_root; | |
463ee0b2 LW |
568 | xpvend = &xpv[1008 / sizeof(XPV) - 1]; |
569 | while (xpv < xpvend) { | |
570 | xpv->xpv_pv = (char*)(xpv + 1); | |
571 | xpv++; | |
572 | } | |
573 | xpv->xpv_pv = 0; | |
463ee0b2 LW |
574 | } |
575 | ||
576 | #ifdef PURIFY | |
8990e307 | 577 | #define new_XIV() (void*)safemalloc(sizeof(XPVIV)) |
6ad3d225 | 578 | #define del_XIV(p) Safefree((char*)p) |
463ee0b2 | 579 | #else |
85e6fe83 | 580 | #define new_XIV() (void*)new_xiv() |
8ac85365 | 581 | #define del_XIV(p) del_xiv((XPVIV*) p) |
463ee0b2 LW |
582 | #endif |
583 | ||
584 | #ifdef PURIFY | |
8990e307 | 585 | #define new_XNV() (void*)safemalloc(sizeof(XPVNV)) |
6ad3d225 | 586 | #define del_XNV(p) Safefree((char*)p) |
463ee0b2 | 587 | #else |
85e6fe83 | 588 | #define new_XNV() (void*)new_xnv() |
8ac85365 | 589 | #define del_XNV(p) del_xnv((XPVNV*) p) |
463ee0b2 LW |
590 | #endif |
591 | ||
592 | #ifdef PURIFY | |
8990e307 | 593 | #define new_XRV() (void*)safemalloc(sizeof(XRV)) |
6ad3d225 | 594 | #define del_XRV(p) Safefree((char*)p) |
ed6116ce | 595 | #else |
85e6fe83 | 596 | #define new_XRV() (void*)new_xrv() |
8ac85365 | 597 | #define del_XRV(p) del_xrv((XRV*) p) |
ed6116ce LW |
598 | #endif |
599 | ||
600 | #ifdef PURIFY | |
8990e307 | 601 | #define new_XPV() (void*)safemalloc(sizeof(XPV)) |
6ad3d225 | 602 | #define del_XPV(p) Safefree((char*)p) |
463ee0b2 | 603 | #else |
85e6fe83 | 604 | #define new_XPV() (void*)new_xpv() |
8ac85365 | 605 | #define del_XPV(p) del_xpv((XPV *)p) |
463ee0b2 LW |
606 | #endif |
607 | ||
8c52afec IZ |
608 | #ifdef PURIFY |
609 | # define my_safemalloc(s) safemalloc(s) | |
610 | # define my_safefree(s) free(s) | |
611 | #else | |
9d8a25dc | 612 | STATIC void* |
d665c133 | 613 | my_safemalloc(MEM_SIZE size) |
8c52afec IZ |
614 | { |
615 | char *p; | |
616 | New(717, p, size, char); | |
617 | return (void*)p; | |
618 | } | |
619 | # define my_safefree(s) Safefree(s) | |
620 | #endif | |
621 | ||
622 | #define new_XPVIV() (void*)my_safemalloc(sizeof(XPVIV)) | |
623 | #define del_XPVIV(p) my_safefree((char*)p) | |
624 | ||
625 | #define new_XPVNV() (void*)my_safemalloc(sizeof(XPVNV)) | |
626 | #define del_XPVNV(p) my_safefree((char*)p) | |
627 | ||
628 | #define new_XPVMG() (void*)my_safemalloc(sizeof(XPVMG)) | |
629 | #define del_XPVMG(p) my_safefree((char*)p) | |
630 | ||
631 | #define new_XPVLV() (void*)my_safemalloc(sizeof(XPVLV)) | |
632 | #define del_XPVLV(p) my_safefree((char*)p) | |
633 | ||
634 | #define new_XPVAV() (void*)my_safemalloc(sizeof(XPVAV)) | |
635 | #define del_XPVAV(p) my_safefree((char*)p) | |
636 | ||
637 | #define new_XPVHV() (void*)my_safemalloc(sizeof(XPVHV)) | |
638 | #define del_XPVHV(p) my_safefree((char*)p) | |
639 | ||
640 | #define new_XPVCV() (void*)my_safemalloc(sizeof(XPVCV)) | |
641 | #define del_XPVCV(p) my_safefree((char*)p) | |
642 | ||
643 | #define new_XPVGV() (void*)my_safemalloc(sizeof(XPVGV)) | |
644 | #define del_XPVGV(p) my_safefree((char*)p) | |
645 | ||
646 | #define new_XPVBM() (void*)my_safemalloc(sizeof(XPVBM)) | |
647 | #define del_XPVBM(p) my_safefree((char*)p) | |
648 | ||
649 | #define new_XPVFM() (void*)my_safemalloc(sizeof(XPVFM)) | |
650 | #define del_XPVFM(p) my_safefree((char*)p) | |
651 | ||
652 | #define new_XPVIO() (void*)my_safemalloc(sizeof(XPVIO)) | |
653 | #define del_XPVIO(p) my_safefree((char*)p) | |
8990e307 | 654 | |
79072805 | 655 | bool |
8ac85365 | 656 | sv_upgrade(register SV *sv, U32 mt) |
79072805 LW |
657 | { |
658 | char* pv; | |
659 | U32 cur; | |
660 | U32 len; | |
a0d0e21e | 661 | IV iv; |
79072805 LW |
662 | double nv; |
663 | MAGIC* magic; | |
664 | HV* stash; | |
665 | ||
666 | if (SvTYPE(sv) == mt) | |
667 | return TRUE; | |
668 | ||
a5f75d66 AD |
669 | if (mt < SVt_PVIV) |
670 | (void)SvOOK_off(sv); | |
671 | ||
79072805 LW |
672 | switch (SvTYPE(sv)) { |
673 | case SVt_NULL: | |
674 | pv = 0; | |
675 | cur = 0; | |
676 | len = 0; | |
677 | iv = 0; | |
678 | nv = 0.0; | |
679 | magic = 0; | |
680 | stash = 0; | |
681 | break; | |
79072805 LW |
682 | case SVt_IV: |
683 | pv = 0; | |
684 | cur = 0; | |
685 | len = 0; | |
463ee0b2 LW |
686 | iv = SvIVX(sv); |
687 | nv = (double)SvIVX(sv); | |
79072805 LW |
688 | del_XIV(SvANY(sv)); |
689 | magic = 0; | |
690 | stash = 0; | |
ed6116ce | 691 | if (mt == SVt_NV) |
463ee0b2 | 692 | mt = SVt_PVNV; |
ed6116ce LW |
693 | else if (mt < SVt_PVIV) |
694 | mt = SVt_PVIV; | |
79072805 LW |
695 | break; |
696 | case SVt_NV: | |
697 | pv = 0; | |
698 | cur = 0; | |
699 | len = 0; | |
463ee0b2 | 700 | nv = SvNVX(sv); |
ed6116ce | 701 | iv = I_32(nv); |
79072805 LW |
702 | magic = 0; |
703 | stash = 0; | |
704 | del_XNV(SvANY(sv)); | |
705 | SvANY(sv) = 0; | |
ed6116ce | 706 | if (mt < SVt_PVNV) |
79072805 LW |
707 | mt = SVt_PVNV; |
708 | break; | |
ed6116ce LW |
709 | case SVt_RV: |
710 | pv = (char*)SvRV(sv); | |
711 | cur = 0; | |
712 | len = 0; | |
a0d0e21e | 713 | iv = (IV)pv; |
ed6116ce LW |
714 | nv = (double)(unsigned long)pv; |
715 | del_XRV(SvANY(sv)); | |
716 | magic = 0; | |
717 | stash = 0; | |
718 | break; | |
79072805 | 719 | case SVt_PV: |
463ee0b2 | 720 | pv = SvPVX(sv); |
79072805 LW |
721 | cur = SvCUR(sv); |
722 | len = SvLEN(sv); | |
723 | iv = 0; | |
724 | nv = 0.0; | |
725 | magic = 0; | |
726 | stash = 0; | |
727 | del_XPV(SvANY(sv)); | |
748a9306 LW |
728 | if (mt <= SVt_IV) |
729 | mt = SVt_PVIV; | |
730 | else if (mt == SVt_NV) | |
731 | mt = SVt_PVNV; | |
79072805 LW |
732 | break; |
733 | case SVt_PVIV: | |
463ee0b2 | 734 | pv = SvPVX(sv); |
79072805 LW |
735 | cur = SvCUR(sv); |
736 | len = SvLEN(sv); | |
463ee0b2 | 737 | iv = SvIVX(sv); |
79072805 LW |
738 | nv = 0.0; |
739 | magic = 0; | |
740 | stash = 0; | |
741 | del_XPVIV(SvANY(sv)); | |
742 | break; | |
743 | case SVt_PVNV: | |
463ee0b2 | 744 | pv = SvPVX(sv); |
79072805 LW |
745 | cur = SvCUR(sv); |
746 | len = SvLEN(sv); | |
463ee0b2 LW |
747 | iv = SvIVX(sv); |
748 | nv = SvNVX(sv); | |
79072805 LW |
749 | magic = 0; |
750 | stash = 0; | |
751 | del_XPVNV(SvANY(sv)); | |
752 | break; | |
753 | case SVt_PVMG: | |
463ee0b2 | 754 | pv = SvPVX(sv); |
79072805 LW |
755 | cur = SvCUR(sv); |
756 | len = SvLEN(sv); | |
463ee0b2 LW |
757 | iv = SvIVX(sv); |
758 | nv = SvNVX(sv); | |
79072805 LW |
759 | magic = SvMAGIC(sv); |
760 | stash = SvSTASH(sv); | |
761 | del_XPVMG(SvANY(sv)); | |
762 | break; | |
763 | default: | |
463ee0b2 | 764 | croak("Can't upgrade that kind of scalar"); |
79072805 LW |
765 | } |
766 | ||
767 | switch (mt) { | |
768 | case SVt_NULL: | |
463ee0b2 | 769 | croak("Can't upgrade to undef"); |
79072805 LW |
770 | case SVt_IV: |
771 | SvANY(sv) = new_XIV(); | |
463ee0b2 | 772 | SvIVX(sv) = iv; |
79072805 LW |
773 | break; |
774 | case SVt_NV: | |
775 | SvANY(sv) = new_XNV(); | |
463ee0b2 | 776 | SvNVX(sv) = nv; |
79072805 | 777 | break; |
ed6116ce LW |
778 | case SVt_RV: |
779 | SvANY(sv) = new_XRV(); | |
780 | SvRV(sv) = (SV*)pv; | |
ed6116ce | 781 | break; |
79072805 LW |
782 | case SVt_PV: |
783 | SvANY(sv) = new_XPV(); | |
463ee0b2 | 784 | SvPVX(sv) = pv; |
79072805 LW |
785 | SvCUR(sv) = cur; |
786 | SvLEN(sv) = len; | |
787 | break; | |
788 | case SVt_PVIV: | |
789 | SvANY(sv) = new_XPVIV(); | |
463ee0b2 | 790 | SvPVX(sv) = pv; |
79072805 LW |
791 | SvCUR(sv) = cur; |
792 | SvLEN(sv) = len; | |
463ee0b2 | 793 | SvIVX(sv) = iv; |
79072805 | 794 | if (SvNIOK(sv)) |
a0d0e21e | 795 | (void)SvIOK_on(sv); |
79072805 LW |
796 | SvNOK_off(sv); |
797 | break; | |
798 | case SVt_PVNV: | |
799 | SvANY(sv) = new_XPVNV(); | |
463ee0b2 | 800 | SvPVX(sv) = pv; |
79072805 LW |
801 | SvCUR(sv) = cur; |
802 | SvLEN(sv) = len; | |
463ee0b2 LW |
803 | SvIVX(sv) = iv; |
804 | SvNVX(sv) = nv; | |
79072805 LW |
805 | break; |
806 | case SVt_PVMG: | |
807 | SvANY(sv) = new_XPVMG(); | |
463ee0b2 | 808 | SvPVX(sv) = pv; |
79072805 LW |
809 | SvCUR(sv) = cur; |
810 | SvLEN(sv) = len; | |
463ee0b2 LW |
811 | SvIVX(sv) = iv; |
812 | SvNVX(sv) = nv; | |
79072805 LW |
813 | SvMAGIC(sv) = magic; |
814 | SvSTASH(sv) = stash; | |
815 | break; | |
816 | case SVt_PVLV: | |
817 | SvANY(sv) = new_XPVLV(); | |
463ee0b2 | 818 | SvPVX(sv) = pv; |
79072805 LW |
819 | SvCUR(sv) = cur; |
820 | SvLEN(sv) = len; | |
463ee0b2 LW |
821 | SvIVX(sv) = iv; |
822 | SvNVX(sv) = nv; | |
79072805 LW |
823 | SvMAGIC(sv) = magic; |
824 | SvSTASH(sv) = stash; | |
825 | LvTARGOFF(sv) = 0; | |
826 | LvTARGLEN(sv) = 0; | |
827 | LvTARG(sv) = 0; | |
828 | LvTYPE(sv) = 0; | |
829 | break; | |
830 | case SVt_PVAV: | |
831 | SvANY(sv) = new_XPVAV(); | |
463ee0b2 LW |
832 | if (pv) |
833 | Safefree(pv); | |
2304df62 | 834 | SvPVX(sv) = 0; |
d1bf51dd | 835 | AvMAX(sv) = -1; |
93965878 | 836 | AvFILLp(sv) = -1; |
463ee0b2 LW |
837 | SvIVX(sv) = 0; |
838 | SvNVX(sv) = 0.0; | |
839 | SvMAGIC(sv) = magic; | |
840 | SvSTASH(sv) = stash; | |
841 | AvALLOC(sv) = 0; | |
79072805 LW |
842 | AvARYLEN(sv) = 0; |
843 | AvFLAGS(sv) = 0; | |
844 | break; | |
845 | case SVt_PVHV: | |
846 | SvANY(sv) = new_XPVHV(); | |
463ee0b2 LW |
847 | if (pv) |
848 | Safefree(pv); | |
849 | SvPVX(sv) = 0; | |
850 | HvFILL(sv) = 0; | |
851 | HvMAX(sv) = 0; | |
852 | HvKEYS(sv) = 0; | |
853 | SvNVX(sv) = 0.0; | |
79072805 LW |
854 | SvMAGIC(sv) = magic; |
855 | SvSTASH(sv) = stash; | |
79072805 LW |
856 | HvRITER(sv) = 0; |
857 | HvEITER(sv) = 0; | |
858 | HvPMROOT(sv) = 0; | |
859 | HvNAME(sv) = 0; | |
79072805 LW |
860 | break; |
861 | case SVt_PVCV: | |
862 | SvANY(sv) = new_XPVCV(); | |
748a9306 | 863 | Zero(SvANY(sv), 1, XPVCV); |
463ee0b2 | 864 | SvPVX(sv) = pv; |
79072805 LW |
865 | SvCUR(sv) = cur; |
866 | SvLEN(sv) = len; | |
463ee0b2 LW |
867 | SvIVX(sv) = iv; |
868 | SvNVX(sv) = nv; | |
79072805 LW |
869 | SvMAGIC(sv) = magic; |
870 | SvSTASH(sv) = stash; | |
79072805 LW |
871 | break; |
872 | case SVt_PVGV: | |
873 | SvANY(sv) = new_XPVGV(); | |
463ee0b2 | 874 | SvPVX(sv) = pv; |
79072805 LW |
875 | SvCUR(sv) = cur; |
876 | SvLEN(sv) = len; | |
463ee0b2 LW |
877 | SvIVX(sv) = iv; |
878 | SvNVX(sv) = nv; | |
79072805 LW |
879 | SvMAGIC(sv) = magic; |
880 | SvSTASH(sv) = stash; | |
93a17b20 | 881 | GvGP(sv) = 0; |
79072805 LW |
882 | GvNAME(sv) = 0; |
883 | GvNAMELEN(sv) = 0; | |
884 | GvSTASH(sv) = 0; | |
a5f75d66 | 885 | GvFLAGS(sv) = 0; |
79072805 LW |
886 | break; |
887 | case SVt_PVBM: | |
888 | SvANY(sv) = new_XPVBM(); | |
463ee0b2 | 889 | SvPVX(sv) = pv; |
79072805 LW |
890 | SvCUR(sv) = cur; |
891 | SvLEN(sv) = len; | |
463ee0b2 LW |
892 | SvIVX(sv) = iv; |
893 | SvNVX(sv) = nv; | |
79072805 LW |
894 | SvMAGIC(sv) = magic; |
895 | SvSTASH(sv) = stash; | |
896 | BmRARE(sv) = 0; | |
897 | BmUSEFUL(sv) = 0; | |
898 | BmPREVIOUS(sv) = 0; | |
899 | break; | |
900 | case SVt_PVFM: | |
901 | SvANY(sv) = new_XPVFM(); | |
748a9306 | 902 | Zero(SvANY(sv), 1, XPVFM); |
463ee0b2 | 903 | SvPVX(sv) = pv; |
79072805 LW |
904 | SvCUR(sv) = cur; |
905 | SvLEN(sv) = len; | |
463ee0b2 LW |
906 | SvIVX(sv) = iv; |
907 | SvNVX(sv) = nv; | |
79072805 LW |
908 | SvMAGIC(sv) = magic; |
909 | SvSTASH(sv) = stash; | |
79072805 | 910 | break; |
8990e307 LW |
911 | case SVt_PVIO: |
912 | SvANY(sv) = new_XPVIO(); | |
748a9306 | 913 | Zero(SvANY(sv), 1, XPVIO); |
8990e307 LW |
914 | SvPVX(sv) = pv; |
915 | SvCUR(sv) = cur; | |
916 | SvLEN(sv) = len; | |
917 | SvIVX(sv) = iv; | |
918 | SvNVX(sv) = nv; | |
919 | SvMAGIC(sv) = magic; | |
920 | SvSTASH(sv) = stash; | |
85e6fe83 | 921 | IoPAGE_LEN(sv) = 60; |
8990e307 LW |
922 | break; |
923 | } | |
924 | SvFLAGS(sv) &= ~SVTYPEMASK; | |
925 | SvFLAGS(sv) |= mt; | |
79072805 LW |
926 | return TRUE; |
927 | } | |
928 | ||
929 | char * | |
8ac85365 | 930 | sv_peek(SV *sv) |
79072805 | 931 | { |
35ff7856 | 932 | #ifdef DEBUGGING |
46fc3d4c | 933 | SV *t = sv_newmortal(); |
934 | STRLEN prevlen; | |
a0d0e21e | 935 | int unref = 0; |
79072805 | 936 | |
2b98c477 | 937 | sv_setpvn(t, "", 0); |
79072805 LW |
938 | retry: |
939 | if (!sv) { | |
46fc3d4c | 940 | sv_catpv(t, "VOID"); |
a0d0e21e | 941 | goto finish; |
79072805 LW |
942 | } |
943 | else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') { | |
46fc3d4c | 944 | sv_catpv(t, "WILD"); |
a0d0e21e LW |
945 | goto finish; |
946 | } | |
3280af22 NIS |
947 | else if (sv == &PL_sv_undef || sv == &PL_sv_no || sv == &PL_sv_yes) { |
948 | if (sv == &PL_sv_undef) { | |
46fc3d4c | 949 | sv_catpv(t, "SV_UNDEF"); |
a0d0e21e LW |
950 | if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT| |
951 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
952 | SvREADONLY(sv)) | |
953 | goto finish; | |
954 | } | |
3280af22 | 955 | else if (sv == &PL_sv_no) { |
46fc3d4c | 956 | sv_catpv(t, "SV_NO"); |
a0d0e21e LW |
957 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
958 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
959 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
960 | SVp_POK|SVp_NOK)) && | |
961 | SvCUR(sv) == 0 && | |
962 | SvNVX(sv) == 0.0) | |
963 | goto finish; | |
964 | } | |
965 | else { | |
46fc3d4c | 966 | sv_catpv(t, "SV_YES"); |
a0d0e21e LW |
967 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
968 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
969 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
970 | SVp_POK|SVp_NOK)) && | |
971 | SvCUR(sv) == 1 && | |
972 | SvPVX(sv) && *SvPVX(sv) == '1' && | |
973 | SvNVX(sv) == 1.0) | |
974 | goto finish; | |
975 | } | |
46fc3d4c | 976 | sv_catpv(t, ":"); |
79072805 | 977 | } |
a0d0e21e | 978 | else if (SvREFCNT(sv) == 0) { |
46fc3d4c | 979 | sv_catpv(t, "("); |
a0d0e21e | 980 | unref++; |
79072805 | 981 | } |
a0d0e21e | 982 | if (SvROK(sv)) { |
46fc3d4c | 983 | sv_catpv(t, "\\"); |
984 | if (SvCUR(t) + unref > 10) { | |
985 | SvCUR(t) = unref + 3; | |
986 | *SvEND(t) = '\0'; | |
987 | sv_catpv(t, "..."); | |
a0d0e21e | 988 | goto finish; |
79072805 | 989 | } |
a0d0e21e LW |
990 | sv = (SV*)SvRV(sv); |
991 | goto retry; | |
992 | } | |
993 | switch (SvTYPE(sv)) { | |
994 | default: | |
46fc3d4c | 995 | sv_catpv(t, "FREED"); |
a0d0e21e LW |
996 | goto finish; |
997 | ||
998 | case SVt_NULL: | |
46fc3d4c | 999 | sv_catpv(t, "UNDEF"); |
96827780 | 1000 | goto finish; |
a0d0e21e | 1001 | case SVt_IV: |
46fc3d4c | 1002 | sv_catpv(t, "IV"); |
a0d0e21e LW |
1003 | break; |
1004 | case SVt_NV: | |
46fc3d4c | 1005 | sv_catpv(t, "NV"); |
a0d0e21e LW |
1006 | break; |
1007 | case SVt_RV: | |
46fc3d4c | 1008 | sv_catpv(t, "RV"); |
a0d0e21e LW |
1009 | break; |
1010 | case SVt_PV: | |
46fc3d4c | 1011 | sv_catpv(t, "PV"); |
a0d0e21e LW |
1012 | break; |
1013 | case SVt_PVIV: | |
46fc3d4c | 1014 | sv_catpv(t, "PVIV"); |
a0d0e21e LW |
1015 | break; |
1016 | case SVt_PVNV: | |
46fc3d4c | 1017 | sv_catpv(t, "PVNV"); |
a0d0e21e LW |
1018 | break; |
1019 | case SVt_PVMG: | |
46fc3d4c | 1020 | sv_catpv(t, "PVMG"); |
a0d0e21e LW |
1021 | break; |
1022 | case SVt_PVLV: | |
46fc3d4c | 1023 | sv_catpv(t, "PVLV"); |
a0d0e21e LW |
1024 | break; |
1025 | case SVt_PVAV: | |
46fc3d4c | 1026 | sv_catpv(t, "AV"); |
a0d0e21e LW |
1027 | break; |
1028 | case SVt_PVHV: | |
46fc3d4c | 1029 | sv_catpv(t, "HV"); |
a0d0e21e LW |
1030 | break; |
1031 | case SVt_PVCV: | |
1032 | if (CvGV(sv)) | |
46fc3d4c | 1033 | sv_catpvf(t, "CV(%s)", GvNAME(CvGV(sv))); |
a0d0e21e | 1034 | else |
46fc3d4c | 1035 | sv_catpv(t, "CV()"); |
a0d0e21e LW |
1036 | goto finish; |
1037 | case SVt_PVGV: | |
46fc3d4c | 1038 | sv_catpv(t, "GV"); |
a0d0e21e LW |
1039 | break; |
1040 | case SVt_PVBM: | |
46fc3d4c | 1041 | sv_catpv(t, "BM"); |
a0d0e21e LW |
1042 | break; |
1043 | case SVt_PVFM: | |
46fc3d4c | 1044 | sv_catpv(t, "FM"); |
a0d0e21e LW |
1045 | break; |
1046 | case SVt_PVIO: | |
46fc3d4c | 1047 | sv_catpv(t, "IO"); |
a0d0e21e | 1048 | break; |
79072805 | 1049 | } |
79072805 | 1050 | |
a0d0e21e | 1051 | if (SvPOKp(sv)) { |
463ee0b2 | 1052 | if (!SvPVX(sv)) |
46fc3d4c | 1053 | sv_catpv(t, "(null)"); |
79072805 | 1054 | if (SvOOK(sv)) |
46fc3d4c | 1055 | sv_catpvf(t, "(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv)); |
79072805 | 1056 | else |
46fc3d4c | 1057 | sv_catpvf(t, "(\"%.127s\")",SvPVX(sv)); |
79072805 | 1058 | } |
bbce6d69 | 1059 | else if (SvNOKp(sv)) { |
36477c24 | 1060 | SET_NUMERIC_STANDARD(); |
46fc3d4c | 1061 | sv_catpvf(t, "(%g)",SvNVX(sv)); |
bbce6d69 | 1062 | } |
a0d0e21e | 1063 | else if (SvIOKp(sv)) |
46fc3d4c | 1064 | sv_catpvf(t, "(%ld)",(long)SvIVX(sv)); |
79072805 | 1065 | else |
46fc3d4c | 1066 | sv_catpv(t, "()"); |
a0d0e21e LW |
1067 | |
1068 | finish: | |
1069 | if (unref) { | |
a0d0e21e | 1070 | while (unref--) |
46fc3d4c | 1071 | sv_catpv(t, ")"); |
a0d0e21e | 1072 | } |
36596149 | 1073 | return SvPV(t, prevlen); |
35ff7856 GS |
1074 | #else /* DEBUGGING */ |
1075 | return ""; | |
1076 | #endif /* DEBUGGING */ | |
79072805 LW |
1077 | } |
1078 | ||
1079 | int | |
8ac85365 | 1080 | sv_backoff(register SV *sv) |
79072805 LW |
1081 | { |
1082 | assert(SvOOK(sv)); | |
463ee0b2 LW |
1083 | if (SvIVX(sv)) { |
1084 | char *s = SvPVX(sv); | |
1085 | SvLEN(sv) += SvIVX(sv); | |
1086 | SvPVX(sv) -= SvIVX(sv); | |
79072805 | 1087 | SvIV_set(sv, 0); |
463ee0b2 | 1088 | Move(s, SvPVX(sv), SvCUR(sv)+1, char); |
79072805 LW |
1089 | } |
1090 | SvFLAGS(sv) &= ~SVf_OOK; | |
a0d0e21e | 1091 | return 0; |
79072805 LW |
1092 | } |
1093 | ||
1094 | char * | |
79072805 | 1095 | #ifndef DOSISH |
f0f333f4 | 1096 | sv_grow(register SV *sv, register I32 newlen) |
79072805 | 1097 | #else |
f0f333f4 | 1098 | sv_grow(SV* sv, unsigned long newlen) |
79072805 LW |
1099 | #endif |
1100 | { | |
1101 | register char *s; | |
1102 | ||
55497cff | 1103 | #ifdef HAS_64K_LIMIT |
79072805 | 1104 | if (newlen >= 0x10000) { |
d1bf51dd | 1105 | PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen); |
79072805 LW |
1106 | my_exit(1); |
1107 | } | |
55497cff | 1108 | #endif /* HAS_64K_LIMIT */ |
a0d0e21e LW |
1109 | if (SvROK(sv)) |
1110 | sv_unref(sv); | |
79072805 LW |
1111 | if (SvTYPE(sv) < SVt_PV) { |
1112 | sv_upgrade(sv, SVt_PV); | |
463ee0b2 | 1113 | s = SvPVX(sv); |
79072805 LW |
1114 | } |
1115 | else if (SvOOK(sv)) { /* pv is offset? */ | |
1116 | sv_backoff(sv); | |
463ee0b2 | 1117 | s = SvPVX(sv); |
79072805 LW |
1118 | if (newlen > SvLEN(sv)) |
1119 | newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */ | |
c6f8c383 GA |
1120 | #ifdef HAS_64K_LIMIT |
1121 | if (newlen >= 0x10000) | |
1122 | newlen = 0xFFFF; | |
1123 | #endif | |
79072805 LW |
1124 | } |
1125 | else | |
463ee0b2 | 1126 | s = SvPVX(sv); |
79072805 | 1127 | if (newlen > SvLEN(sv)) { /* need more room? */ |
8d6dde3e | 1128 | if (SvLEN(sv) && s) { |
1fe09876 | 1129 | #if defined(MYMALLOC) && !defined(PURIFY) && !defined(LEAKTEST) |
8d6dde3e IZ |
1130 | STRLEN l = malloced_size((void*)SvPVX(sv)); |
1131 | if (newlen <= l) { | |
1132 | SvLEN_set(sv, l); | |
1133 | return s; | |
1134 | } else | |
c70c8a0a | 1135 | #endif |
79072805 | 1136 | Renew(s,newlen,char); |
8d6dde3e | 1137 | } |
79072805 LW |
1138 | else |
1139 | New(703,s,newlen,char); | |
1140 | SvPV_set(sv, s); | |
1141 | SvLEN_set(sv, newlen); | |
1142 | } | |
1143 | return s; | |
1144 | } | |
1145 | ||
1146 | void | |
8ac85365 | 1147 | sv_setiv(register SV *sv, IV i) |
79072805 | 1148 | { |
2213622d | 1149 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 LW |
1150 | switch (SvTYPE(sv)) { |
1151 | case SVt_NULL: | |
79072805 | 1152 | sv_upgrade(sv, SVt_IV); |
463ee0b2 LW |
1153 | break; |
1154 | case SVt_NV: | |
1155 | sv_upgrade(sv, SVt_PVNV); | |
1156 | break; | |
ed6116ce | 1157 | case SVt_RV: |
463ee0b2 | 1158 | case SVt_PV: |
79072805 | 1159 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 | 1160 | break; |
a0d0e21e LW |
1161 | |
1162 | case SVt_PVGV: | |
1163 | if (SvFAKE(sv)) { | |
1164 | sv_unglob(sv); | |
1165 | break; | |
1166 | } | |
1167 | /* FALL THROUGH */ | |
1168 | case SVt_PVAV: | |
1169 | case SVt_PVHV: | |
1170 | case SVt_PVCV: | |
1171 | case SVt_PVFM: | |
1172 | case SVt_PVIO: | |
11343788 MB |
1173 | { |
1174 | dTHR; | |
1175 | croak("Can't coerce %s to integer in %s", sv_reftype(sv,0), | |
533c011a | 1176 | op_desc[PL_op->op_type]); |
11343788 | 1177 | } |
463ee0b2 | 1178 | } |
a0d0e21e | 1179 | (void)SvIOK_only(sv); /* validate number */ |
a5f75d66 | 1180 | SvIVX(sv) = i; |
463ee0b2 | 1181 | SvTAINT(sv); |
79072805 LW |
1182 | } |
1183 | ||
1184 | void | |
ef50df4b GS |
1185 | sv_setiv_mg(register SV *sv, IV i) |
1186 | { | |
1187 | sv_setiv(sv,i); | |
1188 | SvSETMAGIC(sv); | |
1189 | } | |
1190 | ||
1191 | void | |
8ac85365 | 1192 | sv_setuv(register SV *sv, UV u) |
55497cff | 1193 | { |
1194 | if (u <= IV_MAX) | |
1195 | sv_setiv(sv, u); | |
1196 | else | |
1197 | sv_setnv(sv, (double)u); | |
1198 | } | |
1199 | ||
1200 | void | |
ef50df4b GS |
1201 | sv_setuv_mg(register SV *sv, UV u) |
1202 | { | |
1203 | sv_setuv(sv,u); | |
1204 | SvSETMAGIC(sv); | |
1205 | } | |
1206 | ||
1207 | void | |
8ac85365 | 1208 | sv_setnv(register SV *sv, double num) |
79072805 | 1209 | { |
2213622d | 1210 | SV_CHECK_THINKFIRST(sv); |
a0d0e21e LW |
1211 | switch (SvTYPE(sv)) { |
1212 | case SVt_NULL: | |
1213 | case SVt_IV: | |
79072805 | 1214 | sv_upgrade(sv, SVt_NV); |
a0d0e21e | 1215 | break; |
a0d0e21e LW |
1216 | case SVt_RV: |
1217 | case SVt_PV: | |
1218 | case SVt_PVIV: | |
79072805 | 1219 | sv_upgrade(sv, SVt_PVNV); |
a0d0e21e | 1220 | break; |
827b7e14 | 1221 | |
a0d0e21e LW |
1222 | case SVt_PVGV: |
1223 | if (SvFAKE(sv)) { | |
1224 | sv_unglob(sv); | |
1225 | break; | |
1226 | } | |
1227 | /* FALL THROUGH */ | |
1228 | case SVt_PVAV: | |
1229 | case SVt_PVHV: | |
1230 | case SVt_PVCV: | |
1231 | case SVt_PVFM: | |
1232 | case SVt_PVIO: | |
11343788 MB |
1233 | { |
1234 | dTHR; | |
1235 | croak("Can't coerce %s to number in %s", sv_reftype(sv,0), | |
533c011a | 1236 | op_name[PL_op->op_type]); |
11343788 | 1237 | } |
79072805 | 1238 | } |
463ee0b2 | 1239 | SvNVX(sv) = num; |
a0d0e21e | 1240 | (void)SvNOK_only(sv); /* validate number */ |
463ee0b2 | 1241 | SvTAINT(sv); |
79072805 LW |
1242 | } |
1243 | ||
ef50df4b GS |
1244 | void |
1245 | sv_setnv_mg(register SV *sv, double num) | |
1246 | { | |
1247 | sv_setnv(sv,num); | |
1248 | SvSETMAGIC(sv); | |
1249 | } | |
1250 | ||
76e3520e | 1251 | STATIC void |
8ac85365 | 1252 | not_a_number(SV *sv) |
a0d0e21e | 1253 | { |
11343788 | 1254 | dTHR; |
a0d0e21e LW |
1255 | char tmpbuf[64]; |
1256 | char *d = tmpbuf; | |
1257 | char *s; | |
dc28f22b GA |
1258 | char *limit = tmpbuf + sizeof(tmpbuf) - 8; |
1259 | /* each *s can expand to 4 chars + "...\0", | |
1260 | i.e. need room for 8 chars */ | |
a0d0e21e | 1261 | |
dc28f22b | 1262 | for (s = SvPVX(sv); *s && d < limit; s++) { |
bbce6d69 | 1263 | int ch = *s & 0xFF; |
1264 | if (ch & 128 && !isPRINT_LC(ch)) { | |
a0d0e21e LW |
1265 | *d++ = 'M'; |
1266 | *d++ = '-'; | |
1267 | ch &= 127; | |
1268 | } | |
bbce6d69 | 1269 | if (ch == '\n') { |
1270 | *d++ = '\\'; | |
1271 | *d++ = 'n'; | |
1272 | } | |
1273 | else if (ch == '\r') { | |
1274 | *d++ = '\\'; | |
1275 | *d++ = 'r'; | |
1276 | } | |
1277 | else if (ch == '\f') { | |
1278 | *d++ = '\\'; | |
1279 | *d++ = 'f'; | |
1280 | } | |
1281 | else if (ch == '\\') { | |
1282 | *d++ = '\\'; | |
1283 | *d++ = '\\'; | |
1284 | } | |
1285 | else if (isPRINT_LC(ch)) | |
a0d0e21e LW |
1286 | *d++ = ch; |
1287 | else { | |
1288 | *d++ = '^'; | |
bbce6d69 | 1289 | *d++ = toCTRL(ch); |
a0d0e21e LW |
1290 | } |
1291 | } | |
1292 | if (*s) { | |
1293 | *d++ = '.'; | |
1294 | *d++ = '.'; | |
1295 | *d++ = '.'; | |
1296 | } | |
1297 | *d = '\0'; | |
1298 | ||
533c011a | 1299 | if (PL_op) |
c07a80fd | 1300 | warn("Argument \"%s\" isn't numeric in %s", tmpbuf, |
533c011a | 1301 | op_name[PL_op->op_type]); |
a0d0e21e LW |
1302 | else |
1303 | warn("Argument \"%s\" isn't numeric", tmpbuf); | |
1304 | } | |
1305 | ||
1306 | IV | |
8ac85365 | 1307 | sv_2iv(register SV *sv) |
79072805 LW |
1308 | { |
1309 | if (!sv) | |
1310 | return 0; | |
8990e307 | 1311 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1312 | mg_get(sv); |
1313 | if (SvIOKp(sv)) | |
1314 | return SvIVX(sv); | |
748a9306 LW |
1315 | if (SvNOKp(sv)) { |
1316 | if (SvNVX(sv) < 0.0) | |
1317 | return I_V(SvNVX(sv)); | |
1318 | else | |
5d94fbed | 1319 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1320 | } |
36477c24 | 1321 | if (SvPOKp(sv) && SvLEN(sv)) |
1322 | return asIV(sv); | |
3fe9a6f1 | 1323 | if (!SvROK(sv)) { |
3280af22 | 1324 | if (PL_dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1325 | dTHR; |
3280af22 | 1326 | if (!PL_localizing) |
c6ee37c5 MB |
1327 | warn(warn_uninit); |
1328 | } | |
36477c24 | 1329 | return 0; |
3fe9a6f1 | 1330 | } |
463ee0b2 | 1331 | } |
ed6116ce | 1332 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1333 | if (SvROK(sv)) { |
1334 | #ifdef OVERLOAD | |
1335 | SV* tmpstr; | |
1336 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1337 | return SvIV(tmpstr); | |
1338 | #endif /* OVERLOAD */ | |
1339 | return (IV)SvRV(sv); | |
1340 | } | |
ed6116ce | 1341 | if (SvREADONLY(sv)) { |
748a9306 LW |
1342 | if (SvNOKp(sv)) { |
1343 | if (SvNVX(sv) < 0.0) | |
1344 | return I_V(SvNVX(sv)); | |
1345 | else | |
5d94fbed | 1346 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1347 | } |
36477c24 | 1348 | if (SvPOKp(sv) && SvLEN(sv)) |
1349 | return asIV(sv); | |
3280af22 | 1350 | if (PL_dowarn) |
8990e307 | 1351 | warn(warn_uninit); |
ed6116ce LW |
1352 | return 0; |
1353 | } | |
79072805 | 1354 | } |
463ee0b2 | 1355 | switch (SvTYPE(sv)) { |
463ee0b2 | 1356 | case SVt_NULL: |
79072805 | 1357 | sv_upgrade(sv, SVt_IV); |
8ebc5c01 | 1358 | break; |
463ee0b2 | 1359 | case SVt_PV: |
79072805 | 1360 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 LW |
1361 | break; |
1362 | case SVt_NV: | |
1363 | sv_upgrade(sv, SVt_PVNV); | |
1364 | break; | |
1365 | } | |
748a9306 | 1366 | if (SvNOKp(sv)) { |
a5f75d66 | 1367 | (void)SvIOK_on(sv); |
748a9306 LW |
1368 | if (SvNVX(sv) < 0.0) |
1369 | SvIVX(sv) = I_V(SvNVX(sv)); | |
1370 | else | |
ff68c719 | 1371 | SvUVX(sv) = U_V(SvNVX(sv)); |
748a9306 LW |
1372 | } |
1373 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
a5f75d66 | 1374 | (void)SvIOK_on(sv); |
36477c24 | 1375 | SvIVX(sv) = asIV(sv); |
93a17b20 | 1376 | } |
79072805 | 1377 | else { |
11343788 | 1378 | dTHR; |
3280af22 | 1379 | if (PL_dowarn && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1380 | warn(warn_uninit); |
a0d0e21e | 1381 | return 0; |
79072805 | 1382 | } |
760ac839 | 1383 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n", |
a0d0e21e | 1384 | (unsigned long)sv,(long)SvIVX(sv))); |
463ee0b2 | 1385 | return SvIVX(sv); |
79072805 LW |
1386 | } |
1387 | ||
ff68c719 | 1388 | UV |
8ac85365 | 1389 | sv_2uv(register SV *sv) |
ff68c719 | 1390 | { |
1391 | if (!sv) | |
1392 | return 0; | |
1393 | if (SvGMAGICAL(sv)) { | |
1394 | mg_get(sv); | |
1395 | if (SvIOKp(sv)) | |
1396 | return SvUVX(sv); | |
1397 | if (SvNOKp(sv)) | |
1398 | return U_V(SvNVX(sv)); | |
36477c24 | 1399 | if (SvPOKp(sv) && SvLEN(sv)) |
1400 | return asUV(sv); | |
3fe9a6f1 | 1401 | if (!SvROK(sv)) { |
3280af22 | 1402 | if (PL_dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1403 | dTHR; |
3280af22 | 1404 | if (!PL_localizing) |
c6ee37c5 MB |
1405 | warn(warn_uninit); |
1406 | } | |
36477c24 | 1407 | return 0; |
3fe9a6f1 | 1408 | } |
ff68c719 | 1409 | } |
1410 | if (SvTHINKFIRST(sv)) { | |
1411 | if (SvROK(sv)) { | |
1412 | #ifdef OVERLOAD | |
1413 | SV* tmpstr; | |
1414 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1415 | return SvUV(tmpstr); | |
1416 | #endif /* OVERLOAD */ | |
1417 | return (UV)SvRV(sv); | |
1418 | } | |
1419 | if (SvREADONLY(sv)) { | |
1420 | if (SvNOKp(sv)) { | |
1421 | return U_V(SvNVX(sv)); | |
1422 | } | |
36477c24 | 1423 | if (SvPOKp(sv) && SvLEN(sv)) |
1424 | return asUV(sv); | |
3280af22 | 1425 | if (PL_dowarn) |
ff68c719 | 1426 | warn(warn_uninit); |
1427 | return 0; | |
1428 | } | |
1429 | } | |
1430 | switch (SvTYPE(sv)) { | |
1431 | case SVt_NULL: | |
1432 | sv_upgrade(sv, SVt_IV); | |
8ebc5c01 | 1433 | break; |
ff68c719 | 1434 | case SVt_PV: |
1435 | sv_upgrade(sv, SVt_PVIV); | |
1436 | break; | |
1437 | case SVt_NV: | |
1438 | sv_upgrade(sv, SVt_PVNV); | |
1439 | break; | |
1440 | } | |
1441 | if (SvNOKp(sv)) { | |
1442 | (void)SvIOK_on(sv); | |
1443 | SvUVX(sv) = U_V(SvNVX(sv)); | |
1444 | } | |
1445 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
ff68c719 | 1446 | (void)SvIOK_on(sv); |
36477c24 | 1447 | SvUVX(sv) = asUV(sv); |
ff68c719 | 1448 | } |
1449 | else { | |
3280af22 | 1450 | if (PL_dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1451 | dTHR; |
3280af22 | 1452 | if (!PL_localizing) |
c6ee37c5 MB |
1453 | warn(warn_uninit); |
1454 | } | |
ff68c719 | 1455 | return 0; |
1456 | } | |
1457 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n", | |
1458 | (unsigned long)sv,SvUVX(sv))); | |
1459 | return SvUVX(sv); | |
1460 | } | |
1461 | ||
79072805 | 1462 | double |
8ac85365 | 1463 | sv_2nv(register SV *sv) |
79072805 LW |
1464 | { |
1465 | if (!sv) | |
1466 | return 0.0; | |
8990e307 | 1467 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1468 | mg_get(sv); |
1469 | if (SvNOKp(sv)) | |
1470 | return SvNVX(sv); | |
a0d0e21e | 1471 | if (SvPOKp(sv) && SvLEN(sv)) { |
3280af22 | 1472 | if (PL_dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1473 | not_a_number(sv); |
36477c24 | 1474 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1475 | return atof(SvPVX(sv)); |
a0d0e21e | 1476 | } |
463ee0b2 LW |
1477 | if (SvIOKp(sv)) |
1478 | return (double)SvIVX(sv); | |
16d20bd9 | 1479 | if (!SvROK(sv)) { |
3280af22 | 1480 | if (PL_dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1481 | dTHR; |
3280af22 | 1482 | if (!PL_localizing) |
c6ee37c5 MB |
1483 | warn(warn_uninit); |
1484 | } | |
16d20bd9 AD |
1485 | return 0; |
1486 | } | |
463ee0b2 | 1487 | } |
ed6116ce | 1488 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1489 | if (SvROK(sv)) { |
1490 | #ifdef OVERLOAD | |
1491 | SV* tmpstr; | |
1492 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer))) | |
1493 | return SvNV(tmpstr); | |
1494 | #endif /* OVERLOAD */ | |
1495 | return (double)(unsigned long)SvRV(sv); | |
1496 | } | |
ed6116ce | 1497 | if (SvREADONLY(sv)) { |
748a9306 | 1498 | if (SvPOKp(sv) && SvLEN(sv)) { |
3280af22 | 1499 | if (PL_dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1500 | not_a_number(sv); |
36477c24 | 1501 | SET_NUMERIC_STANDARD(); |
ed6116ce | 1502 | return atof(SvPVX(sv)); |
a0d0e21e | 1503 | } |
748a9306 | 1504 | if (SvIOKp(sv)) |
8990e307 | 1505 | return (double)SvIVX(sv); |
3280af22 | 1506 | if (PL_dowarn) |
8990e307 | 1507 | warn(warn_uninit); |
ed6116ce LW |
1508 | return 0.0; |
1509 | } | |
79072805 LW |
1510 | } |
1511 | if (SvTYPE(sv) < SVt_NV) { | |
463ee0b2 LW |
1512 | if (SvTYPE(sv) == SVt_IV) |
1513 | sv_upgrade(sv, SVt_PVNV); | |
1514 | else | |
1515 | sv_upgrade(sv, SVt_NV); | |
36477c24 | 1516 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1517 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1518 | "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
79072805 LW |
1519 | } |
1520 | else if (SvTYPE(sv) < SVt_PVNV) | |
1521 | sv_upgrade(sv, SVt_PVNV); | |
748a9306 LW |
1522 | if (SvIOKp(sv) && |
1523 | (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv))) | |
93a17b20 | 1524 | { |
463ee0b2 | 1525 | SvNVX(sv) = (double)SvIVX(sv); |
93a17b20 | 1526 | } |
748a9306 | 1527 | else if (SvPOKp(sv) && SvLEN(sv)) { |
3280af22 | 1528 | if (PL_dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1529 | not_a_number(sv); |
36477c24 | 1530 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1531 | SvNVX(sv) = atof(SvPVX(sv)); |
93a17b20 | 1532 | } |
79072805 | 1533 | else { |
11343788 | 1534 | dTHR; |
3280af22 | 1535 | if (PL_dowarn && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1536 | warn(warn_uninit); |
a0d0e21e | 1537 | return 0.0; |
79072805 LW |
1538 | } |
1539 | SvNOK_on(sv); | |
36477c24 | 1540 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1541 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1542 | "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
463ee0b2 | 1543 | return SvNVX(sv); |
79072805 LW |
1544 | } |
1545 | ||
76e3520e | 1546 | STATIC IV |
8ac85365 | 1547 | asIV(SV *sv) |
36477c24 | 1548 | { |
1549 | I32 numtype = looks_like_number(sv); | |
1550 | double d; | |
1551 | ||
1552 | if (numtype == 1) | |
1553 | return atol(SvPVX(sv)); | |
3280af22 | 1554 | if (!numtype && PL_dowarn) |
36477c24 | 1555 | not_a_number(sv); |
1556 | SET_NUMERIC_STANDARD(); | |
1557 | d = atof(SvPVX(sv)); | |
1558 | if (d < 0.0) | |
1559 | return I_V(d); | |
1560 | else | |
1561 | return (IV) U_V(d); | |
1562 | } | |
1563 | ||
76e3520e | 1564 | STATIC UV |
8ac85365 | 1565 | asUV(SV *sv) |
36477c24 | 1566 | { |
1567 | I32 numtype = looks_like_number(sv); | |
1568 | ||
84902520 | 1569 | #ifdef HAS_STRTOUL |
36477c24 | 1570 | if (numtype == 1) |
84902520 TB |
1571 | return strtoul(SvPVX(sv), Null(char**), 10); |
1572 | #endif | |
3280af22 | 1573 | if (!numtype && PL_dowarn) |
36477c24 | 1574 | not_a_number(sv); |
1575 | SET_NUMERIC_STANDARD(); | |
1576 | return U_V(atof(SvPVX(sv))); | |
1577 | } | |
1578 | ||
1579 | I32 | |
8ac85365 | 1580 | looks_like_number(SV *sv) |
36477c24 | 1581 | { |
1582 | register char *s; | |
1583 | register char *send; | |
1584 | register char *sbegin; | |
ff0cee69 | 1585 | I32 numtype; |
36477c24 | 1586 | STRLEN len; |
1587 | ||
1588 | if (SvPOK(sv)) { | |
1589 | sbegin = SvPVX(sv); | |
1590 | len = SvCUR(sv); | |
1591 | } | |
1592 | else if (SvPOKp(sv)) | |
1593 | sbegin = SvPV(sv, len); | |
1594 | else | |
1595 | return 1; | |
1596 | send = sbegin + len; | |
1597 | ||
1598 | s = sbegin; | |
1599 | while (isSPACE(*s)) | |
1600 | s++; | |
36477c24 | 1601 | if (*s == '+' || *s == '-') |
1602 | s++; | |
ff0cee69 | 1603 | |
1604 | /* next must be digit or '.' */ | |
1605 | if (isDIGIT(*s)) { | |
1606 | do { | |
1607 | s++; | |
1608 | } while (isDIGIT(*s)); | |
1609 | if (*s == '.') { | |
1610 | s++; | |
1611 | while (isDIGIT(*s)) /* optional digits after "." */ | |
1612 | s++; | |
1613 | } | |
36477c24 | 1614 | } |
ff0cee69 | 1615 | else if (*s == '.') { |
1616 | s++; | |
1617 | /* no digits before '.' means we need digits after it */ | |
1618 | if (isDIGIT(*s)) { | |
1619 | do { | |
1620 | s++; | |
1621 | } while (isDIGIT(*s)); | |
1622 | } | |
1623 | else | |
1624 | return 0; | |
1625 | } | |
1626 | else | |
1627 | return 0; | |
1628 | ||
1629 | /* | |
1630 | * we return 1 if the number can be converted to _integer_ with atol() | |
1631 | * and 2 if you need (int)atof(). | |
1632 | */ | |
1633 | numtype = 1; | |
1634 | ||
1635 | /* we can have an optional exponent part */ | |
36477c24 | 1636 | if (*s == 'e' || *s == 'E') { |
1637 | numtype = 2; | |
1638 | s++; | |
1639 | if (*s == '+' || *s == '-') | |
1640 | s++; | |
ff0cee69 | 1641 | if (isDIGIT(*s)) { |
1642 | do { | |
1643 | s++; | |
1644 | } while (isDIGIT(*s)); | |
1645 | } | |
1646 | else | |
1647 | return 0; | |
36477c24 | 1648 | } |
1649 | while (isSPACE(*s)) | |
1650 | s++; | |
1651 | if (s >= send) | |
1652 | return numtype; | |
1653 | if (len == 10 && memEQ(sbegin, "0 but true", 10)) | |
1654 | return 1; | |
1655 | return 0; | |
1656 | } | |
1657 | ||
79072805 | 1658 | char * |
8ac85365 | 1659 | sv_2pv(register SV *sv, STRLEN *lp) |
79072805 LW |
1660 | { |
1661 | register char *s; | |
1662 | int olderrno; | |
46fc3d4c | 1663 | SV *tsv; |
96827780 | 1664 | char tmpbuf[64]; /* Must fit sprintf/Gconvert of longest IV/NV */ |
79072805 | 1665 | |
463ee0b2 LW |
1666 | if (!sv) { |
1667 | *lp = 0; | |
1668 | return ""; | |
1669 | } | |
8990e307 | 1670 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1671 | mg_get(sv); |
1672 | if (SvPOKp(sv)) { | |
1673 | *lp = SvCUR(sv); | |
1674 | return SvPVX(sv); | |
1675 | } | |
1676 | if (SvIOKp(sv)) { | |
96827780 | 1677 | (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv)); |
46fc3d4c | 1678 | tsv = Nullsv; |
a0d0e21e | 1679 | goto tokensave; |
463ee0b2 LW |
1680 | } |
1681 | if (SvNOKp(sv)) { | |
36477c24 | 1682 | SET_NUMERIC_STANDARD(); |
96827780 | 1683 | Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf); |
46fc3d4c | 1684 | tsv = Nullsv; |
a0d0e21e | 1685 | goto tokensave; |
463ee0b2 | 1686 | } |
16d20bd9 | 1687 | if (!SvROK(sv)) { |
3280af22 | 1688 | if (PL_dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1689 | dTHR; |
3280af22 | 1690 | if (!PL_localizing) |
c6ee37c5 MB |
1691 | warn(warn_uninit); |
1692 | } | |
16d20bd9 AD |
1693 | *lp = 0; |
1694 | return ""; | |
1695 | } | |
463ee0b2 | 1696 | } |
ed6116ce LW |
1697 | if (SvTHINKFIRST(sv)) { |
1698 | if (SvROK(sv)) { | |
a0d0e21e LW |
1699 | #ifdef OVERLOAD |
1700 | SV* tmpstr; | |
1701 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string))) | |
1702 | return SvPV(tmpstr,*lp); | |
1703 | #endif /* OVERLOAD */ | |
ed6116ce LW |
1704 | sv = (SV*)SvRV(sv); |
1705 | if (!sv) | |
1706 | s = "NULLREF"; | |
1707 | else { | |
f9277f47 IZ |
1708 | MAGIC *mg; |
1709 | ||
ed6116ce | 1710 | switch (SvTYPE(sv)) { |
f9277f47 IZ |
1711 | case SVt_PVMG: |
1712 | if ( ((SvFLAGS(sv) & | |
1713 | (SVs_OBJECT|SVf_OK|SVs_GMG|SVs_SMG|SVs_RMG)) | |
3149a8e4 | 1714 | == (SVs_OBJECT|SVs_RMG)) |
f9277f47 IZ |
1715 | && strEQ(s=HvNAME(SvSTASH(sv)), "Regexp") |
1716 | && (mg = mg_find(sv, 'r'))) { | |
5c0ca799 | 1717 | dTHR; |
2cd61cdb | 1718 | regexp *re = (regexp *)mg->mg_obj; |
1bd3ad17 | 1719 | |
2cd61cdb | 1720 | if (!mg->mg_ptr) { |
8782bef2 GB |
1721 | char *fptr = "msix"; |
1722 | char reflags[6]; | |
1723 | char ch; | |
1724 | int left = 0; | |
1725 | int right = 4; | |
1726 | U16 reganch = (re->reganch & PMf_COMPILETIME) >> 12; | |
1727 | ||
1728 | while(ch = *fptr++) { | |
1729 | if(reganch & 1) { | |
1730 | reflags[left++] = ch; | |
1731 | } | |
1732 | else { | |
1733 | reflags[right--] = ch; | |
1734 | } | |
1735 | reganch >>= 1; | |
1736 | } | |
1737 | if(left != 4) { | |
1738 | reflags[left] = '-'; | |
1739 | left = 5; | |
1740 | } | |
1741 | ||
1742 | mg->mg_len = re->prelen + 4 + left; | |
1743 | New(616, mg->mg_ptr, mg->mg_len + 1 + left, char); | |
1744 | Copy("(?", mg->mg_ptr, 2, char); | |
1745 | Copy(reflags, mg->mg_ptr+2, left, char); | |
1746 | Copy(":", mg->mg_ptr+left+2, 1, char); | |
1747 | Copy(re->precomp, mg->mg_ptr+3+left, re->prelen, char); | |
1bd3ad17 IZ |
1748 | mg->mg_ptr[mg->mg_len - 1] = ')'; |
1749 | mg->mg_ptr[mg->mg_len] = 0; | |
1750 | } | |
3280af22 | 1751 | PL_reginterp_cnt += re->program[0].next_off; |
1bd3ad17 IZ |
1752 | *lp = mg->mg_len; |
1753 | return mg->mg_ptr; | |
f9277f47 IZ |
1754 | } |
1755 | /* Fall through */ | |
ed6116ce LW |
1756 | case SVt_NULL: |
1757 | case SVt_IV: | |
1758 | case SVt_NV: | |
1759 | case SVt_RV: | |
1760 | case SVt_PV: | |
1761 | case SVt_PVIV: | |
1762 | case SVt_PVNV: | |
f9277f47 | 1763 | case SVt_PVBM: s = "SCALAR"; break; |
ed6116ce LW |
1764 | case SVt_PVLV: s = "LVALUE"; break; |
1765 | case SVt_PVAV: s = "ARRAY"; break; | |
1766 | case SVt_PVHV: s = "HASH"; break; | |
1767 | case SVt_PVCV: s = "CODE"; break; | |
1768 | case SVt_PVGV: s = "GLOB"; break; | |
1d2dff63 | 1769 | case SVt_PVFM: s = "FORMAT"; break; |
36477c24 | 1770 | case SVt_PVIO: s = "IO"; break; |
ed6116ce LW |
1771 | default: s = "UNKNOWN"; break; |
1772 | } | |
46fc3d4c | 1773 | tsv = NEWSV(0,0); |
ed6116ce | 1774 | if (SvOBJECT(sv)) |
46fc3d4c | 1775 | sv_setpvf(tsv, "%s=%s", HvNAME(SvSTASH(sv)), s); |
ed6116ce | 1776 | else |
46fc3d4c | 1777 | sv_setpv(tsv, s); |
1778 | sv_catpvf(tsv, "(0x%lx)", (unsigned long)sv); | |
a0d0e21e | 1779 | goto tokensaveref; |
463ee0b2 | 1780 | } |
ed6116ce LW |
1781 | *lp = strlen(s); |
1782 | return s; | |
79072805 | 1783 | } |
ed6116ce | 1784 | if (SvREADONLY(sv)) { |
748a9306 | 1785 | if (SvNOKp(sv)) { |
36477c24 | 1786 | SET_NUMERIC_STANDARD(); |
96827780 | 1787 | Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf); |
46fc3d4c | 1788 | tsv = Nullsv; |
a0d0e21e | 1789 | goto tokensave; |
ed6116ce | 1790 | } |
8bb9dbe4 | 1791 | if (SvIOKp(sv)) { |
96827780 | 1792 | (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv)); |
46fc3d4c | 1793 | tsv = Nullsv; |
8bb9dbe4 LW |
1794 | goto tokensave; |
1795 | } | |
3280af22 | 1796 | if (PL_dowarn) |
8990e307 | 1797 | warn(warn_uninit); |
ed6116ce LW |
1798 | *lp = 0; |
1799 | return ""; | |
79072805 | 1800 | } |
79072805 | 1801 | } |
c6f8c383 | 1802 | (void)SvUPGRADE(sv, SVt_PV); |
748a9306 | 1803 | if (SvNOKp(sv)) { |
79072805 LW |
1804 | if (SvTYPE(sv) < SVt_PVNV) |
1805 | sv_upgrade(sv, SVt_PVNV); | |
1806 | SvGROW(sv, 28); | |
463ee0b2 | 1807 | s = SvPVX(sv); |
79072805 | 1808 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
79072805 | 1809 | #ifdef apollo |
463ee0b2 | 1810 | if (SvNVX(sv) == 0.0) |
79072805 LW |
1811 | (void)strcpy(s,"0"); |
1812 | else | |
1813 | #endif /*apollo*/ | |
bbce6d69 | 1814 | { |
36477c24 | 1815 | SET_NUMERIC_STANDARD(); |
a0d0e21e | 1816 | Gconvert(SvNVX(sv), DBL_DIG, 0, s); |
bbce6d69 | 1817 | } |
79072805 | 1818 | errno = olderrno; |
a0d0e21e LW |
1819 | #ifdef FIXNEGATIVEZERO |
1820 | if (*s == '-' && s[1] == '0' && !s[2]) | |
1821 | strcpy(s,"0"); | |
1822 | #endif | |
79072805 LW |
1823 | while (*s) s++; |
1824 | #ifdef hcx | |
1825 | if (s[-1] == '.') | |
46fc3d4c | 1826 | *--s = '\0'; |
79072805 LW |
1827 | #endif |
1828 | } | |
748a9306 | 1829 | else if (SvIOKp(sv)) { |
64f14228 | 1830 | U32 oldIOK = SvIOK(sv); |
79072805 LW |
1831 | if (SvTYPE(sv) < SVt_PVIV) |
1832 | sv_upgrade(sv, SVt_PVIV); | |
79072805 | 1833 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
84902520 | 1834 | sv_setpviv(sv, SvIVX(sv)); |
79072805 | 1835 | errno = olderrno; |
46fc3d4c | 1836 | s = SvEND(sv); |
64f14228 GA |
1837 | if (oldIOK) |
1838 | SvIOK_on(sv); | |
1839 | else | |
1840 | SvIOKp_on(sv); | |
79072805 LW |
1841 | } |
1842 | else { | |
11343788 | 1843 | dTHR; |
3280af22 | 1844 | if (PL_dowarn && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1845 | warn(warn_uninit); |
a0d0e21e LW |
1846 | *lp = 0; |
1847 | return ""; | |
79072805 | 1848 | } |
463ee0b2 LW |
1849 | *lp = s - SvPVX(sv); |
1850 | SvCUR_set(sv, *lp); | |
79072805 | 1851 | SvPOK_on(sv); |
760ac839 | 1852 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv))); |
463ee0b2 | 1853 | return SvPVX(sv); |
a0d0e21e LW |
1854 | |
1855 | tokensave: | |
1856 | if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */ | |
1857 | /* Sneaky stuff here */ | |
1858 | ||
1859 | tokensaveref: | |
46fc3d4c | 1860 | if (!tsv) |
96827780 | 1861 | tsv = newSVpv(tmpbuf, 0); |
46fc3d4c | 1862 | sv_2mortal(tsv); |
1863 | *lp = SvCUR(tsv); | |
1864 | return SvPVX(tsv); | |
a0d0e21e LW |
1865 | } |
1866 | else { | |
1867 | STRLEN len; | |
46fc3d4c | 1868 | char *t; |
1869 | ||
1870 | if (tsv) { | |
1871 | sv_2mortal(tsv); | |
1872 | t = SvPVX(tsv); | |
1873 | len = SvCUR(tsv); | |
1874 | } | |
1875 | else { | |
96827780 MB |
1876 | t = tmpbuf; |
1877 | len = strlen(tmpbuf); | |
46fc3d4c | 1878 | } |
a0d0e21e | 1879 | #ifdef FIXNEGATIVEZERO |
46fc3d4c | 1880 | if (len == 2 && t[0] == '-' && t[1] == '0') { |
1881 | t = "0"; | |
1882 | len = 1; | |
1883 | } | |
a0d0e21e LW |
1884 | #endif |
1885 | (void)SvUPGRADE(sv, SVt_PV); | |
46fc3d4c | 1886 | *lp = len; |
a0d0e21e LW |
1887 | s = SvGROW(sv, len + 1); |
1888 | SvCUR_set(sv, len); | |
46fc3d4c | 1889 | (void)strcpy(s, t); |
6bf554b4 | 1890 | SvPOKp_on(sv); |
a0d0e21e LW |
1891 | return s; |
1892 | } | |
463ee0b2 LW |
1893 | } |
1894 | ||
1895 | /* This function is only called on magical items */ | |
1896 | bool | |
8ac85365 | 1897 | sv_2bool(register SV *sv) |
463ee0b2 | 1898 | { |
8990e307 | 1899 | if (SvGMAGICAL(sv)) |
463ee0b2 LW |
1900 | mg_get(sv); |
1901 | ||
a0d0e21e LW |
1902 | if (!SvOK(sv)) |
1903 | return 0; | |
1904 | if (SvROK(sv)) { | |
1905 | #ifdef OVERLOAD | |
1906 | { | |
11343788 | 1907 | dTHR; |
a0d0e21e LW |
1908 | SV* tmpsv; |
1909 | if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_))) | |
1910 | return SvTRUE(tmpsv); | |
1911 | } | |
1912 | #endif /* OVERLOAD */ | |
1913 | return SvRV(sv) != 0; | |
1914 | } | |
463ee0b2 | 1915 | if (SvPOKp(sv)) { |
11343788 MB |
1916 | register XPV* Xpvtmp; |
1917 | if ((Xpvtmp = (XPV*)SvANY(sv)) && | |
1918 | (*Xpvtmp->xpv_pv > '0' || | |
1919 | Xpvtmp->xpv_cur > 1 || | |
1920 | (Xpvtmp->xpv_cur && *Xpvtmp->xpv_pv != '0'))) | |
463ee0b2 LW |
1921 | return 1; |
1922 | else | |
1923 | return 0; | |
1924 | } | |
1925 | else { | |
1926 | if (SvIOKp(sv)) | |
1927 | return SvIVX(sv) != 0; | |
1928 | else { | |
1929 | if (SvNOKp(sv)) | |
1930 | return SvNVX(sv) != 0.0; | |
1931 | else | |
1932 | return FALSE; | |
1933 | } | |
1934 | } | |
79072805 LW |
1935 | } |
1936 | ||
1937 | /* Note: sv_setsv() should not be called with a source string that needs | |
463ee0b2 | 1938 | * to be reused, since it may destroy the source string if it is marked |
79072805 LW |
1939 | * as temporary. |
1940 | */ | |
1941 | ||
1942 | void | |
8ac85365 | 1943 | sv_setsv(SV *dstr, register SV *sstr) |
79072805 | 1944 | { |
11343788 | 1945 | dTHR; |
8990e307 LW |
1946 | register U32 sflags; |
1947 | register int dtype; | |
1948 | register int stype; | |
463ee0b2 | 1949 | |
79072805 LW |
1950 | if (sstr == dstr) |
1951 | return; | |
2213622d | 1952 | SV_CHECK_THINKFIRST(dstr); |
79072805 | 1953 | if (!sstr) |
3280af22 | 1954 | sstr = &PL_sv_undef; |
8990e307 LW |
1955 | stype = SvTYPE(sstr); |
1956 | dtype = SvTYPE(dstr); | |
79072805 | 1957 | |
8e07c86e AD |
1958 | if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) { |
1959 | sv_unglob(dstr); /* so fake GLOB won't perpetuate */ | |
4633a7c4 LW |
1960 | sv_setpvn(dstr, "", 0); |
1961 | (void)SvPOK_only(dstr); | |
8e07c86e AD |
1962 | dtype = SvTYPE(dstr); |
1963 | } | |
1964 | ||
a0d0e21e LW |
1965 | #ifdef OVERLOAD |
1966 | SvAMAGIC_off(dstr); | |
1967 | #endif /* OVERLOAD */ | |
463ee0b2 | 1968 | /* There's a lot of redundancy below but we're going for speed here */ |
79072805 | 1969 | |
8990e307 | 1970 | switch (stype) { |
79072805 | 1971 | case SVt_NULL: |
aece5585 | 1972 | undef_sstr: |
20408e3c GS |
1973 | if (dtype != SVt_PVGV) { |
1974 | (void)SvOK_off(dstr); | |
1975 | return; | |
1976 | } | |
1977 | break; | |
463ee0b2 | 1978 | case SVt_IV: |
aece5585 GA |
1979 | if (SvIOK(sstr)) { |
1980 | switch (dtype) { | |
1981 | case SVt_NULL: | |
8990e307 | 1982 | sv_upgrade(dstr, SVt_IV); |
aece5585 GA |
1983 | break; |
1984 | case SVt_NV: | |
8990e307 | 1985 | sv_upgrade(dstr, SVt_PVNV); |
aece5585 GA |
1986 | break; |
1987 | case SVt_RV: | |
1988 | case SVt_PV: | |
a0d0e21e | 1989 | sv_upgrade(dstr, SVt_PVIV); |
aece5585 GA |
1990 | break; |
1991 | } | |
1992 | (void)SvIOK_only(dstr); | |
1993 | SvIVX(dstr) = SvIVX(sstr); | |
1994 | SvTAINT(dstr); | |
1995 | return; | |
8990e307 | 1996 | } |
aece5585 GA |
1997 | goto undef_sstr; |
1998 | ||
463ee0b2 | 1999 | case SVt_NV: |
aece5585 GA |
2000 | if (SvNOK(sstr)) { |
2001 | switch (dtype) { | |
2002 | case SVt_NULL: | |
2003 | case SVt_IV: | |
8990e307 | 2004 | sv_upgrade(dstr, SVt_NV); |
aece5585 GA |
2005 | break; |
2006 | case SVt_RV: | |
2007 | case SVt_PV: | |
2008 | case SVt_PVIV: | |
a0d0e21e | 2009 | sv_upgrade(dstr, SVt_PVNV); |
aece5585 GA |
2010 | break; |
2011 | } | |
2012 | SvNVX(dstr) = SvNVX(sstr); | |
2013 | (void)SvNOK_only(dstr); | |
2014 | SvTAINT(dstr); | |
2015 | return; | |
8990e307 | 2016 | } |
aece5585 GA |
2017 | goto undef_sstr; |
2018 | ||
ed6116ce | 2019 | case SVt_RV: |
8990e307 | 2020 | if (dtype < SVt_RV) |
ed6116ce | 2021 | sv_upgrade(dstr, SVt_RV); |
c07a80fd | 2022 | else if (dtype == SVt_PVGV && |
2023 | SvTYPE(SvRV(sstr)) == SVt_PVGV) { | |
2024 | sstr = SvRV(sstr); | |
a5f75d66 | 2025 | if (sstr == dstr) { |
3280af22 | 2026 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 AD |
2027 | GvIMPORTED_on(dstr); |
2028 | GvMULTI_on(dstr); | |
2029 | return; | |
2030 | } | |
c07a80fd | 2031 | goto glob_assign; |
2032 | } | |
ed6116ce | 2033 | break; |
463ee0b2 | 2034 | case SVt_PV: |
fc36a67e | 2035 | case SVt_PVFM: |
8990e307 | 2036 | if (dtype < SVt_PV) |
463ee0b2 | 2037 | sv_upgrade(dstr, SVt_PV); |
463ee0b2 LW |
2038 | break; |
2039 | case SVt_PVIV: | |
8990e307 | 2040 | if (dtype < SVt_PVIV) |
463ee0b2 | 2041 | sv_upgrade(dstr, SVt_PVIV); |
463ee0b2 LW |
2042 | break; |
2043 | case SVt_PVNV: | |
8990e307 | 2044 | if (dtype < SVt_PVNV) |
463ee0b2 | 2045 | sv_upgrade(dstr, SVt_PVNV); |
463ee0b2 | 2046 | break; |
4633a7c4 LW |
2047 | case SVt_PVAV: |
2048 | case SVt_PVHV: | |
2049 | case SVt_PVCV: | |
4633a7c4 | 2050 | case SVt_PVIO: |
533c011a | 2051 | if (PL_op) |
4633a7c4 | 2052 | croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0), |
533c011a | 2053 | op_name[PL_op->op_type]); |
4633a7c4 LW |
2054 | else |
2055 | croak("Bizarre copy of %s", sv_reftype(sstr, 0)); | |
2056 | break; | |
2057 | ||
79072805 | 2058 | case SVt_PVGV: |
8990e307 | 2059 | if (dtype <= SVt_PVGV) { |
c07a80fd | 2060 | glob_assign: |
a5f75d66 | 2061 | if (dtype != SVt_PVGV) { |
a0d0e21e LW |
2062 | char *name = GvNAME(sstr); |
2063 | STRLEN len = GvNAMELEN(sstr); | |
463ee0b2 | 2064 | sv_upgrade(dstr, SVt_PVGV); |
a0d0e21e | 2065 | sv_magic(dstr, dstr, '*', name, len); |
85aff577 | 2066 | GvSTASH(dstr) = (HV*)SvREFCNT_inc(GvSTASH(sstr)); |
a0d0e21e LW |
2067 | GvNAME(dstr) = savepvn(name, len); |
2068 | GvNAMELEN(dstr) = len; | |
2069 | SvFAKE_on(dstr); /* can coerce to non-glob */ | |
2070 | } | |
7bac28a0 | 2071 | /* ahem, death to those who redefine active sort subs */ |
3280af22 NIS |
2072 | else if (PL_curstackinfo->si_type == PERLSI_SORT |
2073 | && GvCV(dstr) && PL_sortcop == CvSTART(GvCV(dstr))) | |
7bac28a0 | 2074 | croak("Can't redefine active sort subroutine %s", |
2075 | GvNAME(dstr)); | |
a0d0e21e | 2076 | (void)SvOK_off(dstr); |
a5f75d66 | 2077 | GvINTRO_off(dstr); /* one-shot flag */ |
1edc1566 | 2078 | gp_free((GV*)dstr); |
79072805 | 2079 | GvGP(dstr) = gp_ref(GvGP(sstr)); |
8990e307 | 2080 | SvTAINT(dstr); |
3280af22 | 2081 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 AD |
2082 | GvIMPORTED_on(dstr); |
2083 | GvMULTI_on(dstr); | |
79072805 LW |
2084 | return; |
2085 | } | |
2086 | /* FALL THROUGH */ | |
2087 | ||
2088 | default: | |
973f89ab CS |
2089 | if (SvGMAGICAL(sstr)) { |
2090 | mg_get(sstr); | |
2091 | if (SvTYPE(sstr) != stype) { | |
2092 | stype = SvTYPE(sstr); | |
2093 | if (stype == SVt_PVGV && dtype <= SVt_PVGV) | |
2094 | goto glob_assign; | |
2095 | } | |
2096 | } | |
ded42b9f CS |
2097 | if (stype == SVt_PVLV) |
2098 | SvUPGRADE(dstr, SVt_PVNV); | |
2099 | else | |
2100 | SvUPGRADE(dstr, stype); | |
79072805 LW |
2101 | } |
2102 | ||
8990e307 LW |
2103 | sflags = SvFLAGS(sstr); |
2104 | ||
2105 | if (sflags & SVf_ROK) { | |
2106 | if (dtype >= SVt_PV) { | |
2107 | if (dtype == SVt_PVGV) { | |
2108 | SV *sref = SvREFCNT_inc(SvRV(sstr)); | |
2109 | SV *dref = 0; | |
a5f75d66 | 2110 | int intro = GvINTRO(dstr); |
a0d0e21e LW |
2111 | |
2112 | if (intro) { | |
2113 | GP *gp; | |
2114 | GvGP(dstr)->gp_refcnt--; | |
a5f75d66 | 2115 | GvINTRO_off(dstr); /* one-shot flag */ |
a0d0e21e | 2116 | Newz(602,gp, 1, GP); |
44a8e56a | 2117 | GvGP(dstr) = gp_ref(gp); |
a0d0e21e | 2118 | GvSV(dstr) = NEWSV(72,0); |
3280af22 | 2119 | GvLINE(dstr) = PL_curcop->cop_line; |
1edc1566 | 2120 | GvEGV(dstr) = (GV*)dstr; |
a0d0e21e | 2121 | } |
a5f75d66 | 2122 | GvMULTI_on(dstr); |
8990e307 LW |
2123 | switch (SvTYPE(sref)) { |
2124 | case SVt_PVAV: | |
a0d0e21e LW |
2125 | if (intro) |
2126 | SAVESPTR(GvAV(dstr)); | |
2127 | else | |
2128 | dref = (SV*)GvAV(dstr); | |
8990e307 | 2129 | GvAV(dstr) = (AV*)sref; |
3280af22 | 2130 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 | 2131 | GvIMPORTED_AV_on(dstr); |
8990e307 LW |
2132 | break; |
2133 | case SVt_PVHV: | |
a0d0e21e LW |
2134 | if (intro) |
2135 | SAVESPTR(GvHV(dstr)); | |
2136 | else | |
2137 | dref = (SV*)GvHV(dstr); | |
8990e307 | 2138 | GvHV(dstr) = (HV*)sref; |
3280af22 | 2139 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 | 2140 | GvIMPORTED_HV_on(dstr); |
8990e307 LW |
2141 | break; |
2142 | case SVt_PVCV: | |
8ebc5c01 | 2143 | if (intro) { |
2144 | if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) { | |
2145 | SvREFCNT_dec(GvCV(dstr)); | |
2146 | GvCV(dstr) = Nullcv; | |
68dc0745 | 2147 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
3280af22 | 2148 | PL_sub_generation++; |
8ebc5c01 | 2149 | } |
a0d0e21e | 2150 | SAVESPTR(GvCV(dstr)); |
8ebc5c01 | 2151 | } |
68dc0745 | 2152 | else |
2153 | dref = (SV*)GvCV(dstr); | |
2154 | if (GvCV(dstr) != (CV*)sref) { | |
748a9306 | 2155 | CV* cv = GvCV(dstr); |
4633a7c4 | 2156 | if (cv) { |
68dc0745 | 2157 | if (!GvCVGEN((GV*)dstr) && |
2158 | (CvROOT(cv) || CvXSUB(cv))) | |
2159 | { | |
fe5e78ed GS |
2160 | SV *const_sv = cv_const_sv(cv); |
2161 | bool const_changed = TRUE; | |
2162 | if(const_sv) | |
2163 | const_changed = sv_cmp(const_sv, | |
2164 | op_const_sv(CvSTART((CV*)sref), | |
2165 | Nullcv)); | |
7bac28a0 | 2166 | /* ahem, death to those who redefine |
2167 | * active sort subs */ | |
3280af22 NIS |
2168 | if (PL_curstackinfo->si_type == PERLSI_SORT && |
2169 | PL_sortcop == CvSTART(cv)) | |
7bac28a0 | 2170 | croak( |
2171 | "Can't redefine active sort subroutine %s", | |
2172 | GvENAME((GV*)dstr)); | |
3280af22 | 2173 | if (PL_dowarn || (const_changed && const_sv)) { |
2f34f9d4 IZ |
2174 | if (!(CvGV(cv) && GvSTASH(CvGV(cv)) |
2175 | && HvNAME(GvSTASH(CvGV(cv))) | |
2176 | && strEQ(HvNAME(GvSTASH(CvGV(cv))), | |
2177 | "autouse"))) | |
fe5e78ed GS |
2178 | warn(const_sv ? |
2179 | "Constant subroutine %s redefined" | |
2180 | : "Subroutine %s redefined", | |
2f34f9d4 IZ |
2181 | GvENAME((GV*)dstr)); |
2182 | } | |
9607fc9c | 2183 | } |
3fe9a6f1 | 2184 | cv_ckproto(cv, (GV*)dstr, |
2185 | SvPOK(sref) ? SvPVX(sref) : Nullch); | |
4633a7c4 | 2186 | } |
a5f75d66 | 2187 | GvCV(dstr) = (CV*)sref; |
7a4c00b4 | 2188 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
a5f75d66 | 2189 | GvASSUMECV_on(dstr); |
3280af22 | 2190 | PL_sub_generation++; |
a5f75d66 | 2191 | } |
3280af22 | 2192 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 | 2193 | GvIMPORTED_CV_on(dstr); |
8990e307 | 2194 | break; |
91bba347 LW |
2195 | case SVt_PVIO: |
2196 | if (intro) | |
2197 | SAVESPTR(GvIOp(dstr)); | |
2198 | else | |
2199 | dref = (SV*)GvIOp(dstr); | |
2200 | GvIOp(dstr) = (IO*)sref; | |
2201 | break; | |
8990e307 | 2202 | default: |
a0d0e21e LW |
2203 | if (intro) |
2204 | SAVESPTR(GvSV(dstr)); | |
2205 | else | |
2206 | dref = (SV*)GvSV(dstr); | |
8990e307 | 2207 | GvSV(dstr) = sref; |
3280af22 | 2208 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 | 2209 | GvIMPORTED_SV_on(dstr); |
8990e307 LW |
2210 | break; |
2211 | } | |
2212 | if (dref) | |
2213 | SvREFCNT_dec(dref); | |
a0d0e21e LW |
2214 | if (intro) |
2215 | SAVEFREESV(sref); | |
8990e307 LW |
2216 | SvTAINT(dstr); |
2217 | return; | |
2218 | } | |
a0d0e21e | 2219 | if (SvPVX(dstr)) { |
760ac839 | 2220 | (void)SvOOK_off(dstr); /* backoff */ |
8990e307 | 2221 | Safefree(SvPVX(dstr)); |
a0d0e21e LW |
2222 | SvLEN(dstr)=SvCUR(dstr)=0; |
2223 | } | |
8990e307 | 2224 | } |
a0d0e21e | 2225 | (void)SvOK_off(dstr); |
8990e307 | 2226 | SvRV(dstr) = SvREFCNT_inc(SvRV(sstr)); |
ed6116ce | 2227 | SvROK_on(dstr); |
8990e307 | 2228 | if (sflags & SVp_NOK) { |
ed6116ce LW |
2229 | SvNOK_on(dstr); |
2230 | SvNVX(dstr) = SvNVX(sstr); | |
2231 | } | |
8990e307 | 2232 | if (sflags & SVp_IOK) { |
a0d0e21e | 2233 | (void)SvIOK_on(dstr); |
ed6116ce LW |
2234 | SvIVX(dstr) = SvIVX(sstr); |
2235 | } | |
a0d0e21e LW |
2236 | #ifdef OVERLOAD |
2237 | if (SvAMAGIC(sstr)) { | |
2238 | SvAMAGIC_on(dstr); | |
2239 | } | |
2240 | #endif /* OVERLOAD */ | |
ed6116ce | 2241 | } |
8990e307 | 2242 | else if (sflags & SVp_POK) { |
79072805 LW |
2243 | |
2244 | /* | |
2245 | * Check to see if we can just swipe the string. If so, it's a | |
2246 | * possible small lose on short strings, but a big win on long ones. | |
463ee0b2 LW |
2247 | * It might even be a win on short strings if SvPVX(dstr) |
2248 | * has to be allocated and SvPVX(sstr) has to be freed. | |
79072805 LW |
2249 | */ |
2250 | ||
ff68c719 | 2251 | if (SvTEMP(sstr) && /* slated for free anyway? */ |
01b73108 | 2252 | SvREFCNT(sstr) == 1 && /* and no other references to it? */ |
a5f75d66 AD |
2253 | !(sflags & SVf_OOK)) /* and not involved in OOK hack? */ |
2254 | { | |
adbc6bb1 | 2255 | if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */ |
a5f75d66 AD |
2256 | if (SvOOK(dstr)) { |
2257 | SvFLAGS(dstr) &= ~SVf_OOK; | |
2258 | Safefree(SvPVX(dstr) - SvIVX(dstr)); | |
2259 | } | |
2260 | else | |
2261 | Safefree(SvPVX(dstr)); | |
79072805 | 2262 | } |
a5f75d66 | 2263 | (void)SvPOK_only(dstr); |
463ee0b2 | 2264 | SvPV_set(dstr, SvPVX(sstr)); |
79072805 LW |
2265 | SvLEN_set(dstr, SvLEN(sstr)); |
2266 | SvCUR_set(dstr, SvCUR(sstr)); | |
79072805 | 2267 | SvTEMP_off(dstr); |
a5f75d66 | 2268 | (void)SvOK_off(sstr); |
79072805 LW |
2269 | SvPV_set(sstr, Nullch); |
2270 | SvLEN_set(sstr, 0); | |
a5f75d66 AD |
2271 | SvCUR_set(sstr, 0); |
2272 | SvTEMP_off(sstr); | |
79072805 LW |
2273 | } |
2274 | else { /* have to copy actual string */ | |
8990e307 LW |
2275 | STRLEN len = SvCUR(sstr); |
2276 | ||
2277 | SvGROW(dstr, len + 1); /* inlined from sv_setpvn */ | |
2278 | Move(SvPVX(sstr),SvPVX(dstr),len,char); | |
2279 | SvCUR_set(dstr, len); | |
2280 | *SvEND(dstr) = '\0'; | |
a0d0e21e | 2281 | (void)SvPOK_only(dstr); |
79072805 LW |
2282 | } |
2283 | /*SUPPRESS 560*/ | |
8990e307 | 2284 | if (sflags & SVp_NOK) { |
79072805 | 2285 | SvNOK_on(dstr); |
463ee0b2 | 2286 | SvNVX(dstr) = SvNVX(sstr); |
79072805 | 2287 | } |
8990e307 | 2288 | if (sflags & SVp_IOK) { |
a0d0e21e | 2289 | (void)SvIOK_on(dstr); |
463ee0b2 | 2290 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2291 | } |
2292 | } | |
8990e307 | 2293 | else if (sflags & SVp_NOK) { |
463ee0b2 | 2294 | SvNVX(dstr) = SvNVX(sstr); |
a0d0e21e | 2295 | (void)SvNOK_only(dstr); |
79072805 | 2296 | if (SvIOK(sstr)) { |
a0d0e21e | 2297 | (void)SvIOK_on(dstr); |
463ee0b2 | 2298 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2299 | } |
2300 | } | |
8990e307 | 2301 | else if (sflags & SVp_IOK) { |
a0d0e21e | 2302 | (void)SvIOK_only(dstr); |
463ee0b2 | 2303 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2304 | } |
2305 | else { | |
20408e3c | 2306 | if (dtype == SVt_PVGV) { |
3280af22 | 2307 | if (PL_dowarn) |
20408e3c GS |
2308 | warn("Undefined value assigned to typeglob"); |
2309 | } | |
2310 | else | |
2311 | (void)SvOK_off(dstr); | |
a0d0e21e | 2312 | } |
463ee0b2 | 2313 | SvTAINT(dstr); |
79072805 LW |
2314 | } |
2315 | ||
2316 | void | |
ef50df4b GS |
2317 | sv_setsv_mg(SV *dstr, register SV *sstr) |
2318 | { | |
2319 | sv_setsv(dstr,sstr); | |
2320 | SvSETMAGIC(dstr); | |
2321 | } | |
2322 | ||
2323 | void | |
8ac85365 | 2324 | sv_setpvn(register SV *sv, register const char *ptr, register STRLEN len) |
79072805 | 2325 | { |
c6f8c383 | 2326 | register char *dptr; |
4561caa4 CS |
2327 | assert(len >= 0); /* STRLEN is probably unsigned, so this may |
2328 | elicit a warning, but it won't hurt. */ | |
2213622d | 2329 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2330 | if (!ptr) { |
a0d0e21e | 2331 | (void)SvOK_off(sv); |
463ee0b2 LW |
2332 | return; |
2333 | } | |
c07a80fd | 2334 | if (SvTYPE(sv) >= SVt_PV) { |
2335 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2336 | sv_unglob(sv); | |
2337 | } | |
c6f8c383 GA |
2338 | else |
2339 | sv_upgrade(sv, SVt_PV); | |
2340 | ||
79072805 | 2341 | SvGROW(sv, len + 1); |
c6f8c383 GA |
2342 | dptr = SvPVX(sv); |
2343 | Move(ptr,dptr,len,char); | |
2344 | dptr[len] = '\0'; | |
79072805 | 2345 | SvCUR_set(sv, len); |
a0d0e21e | 2346 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2347 | SvTAINT(sv); |
79072805 LW |
2348 | } |
2349 | ||
2350 | void | |
ef50df4b GS |
2351 | sv_setpvn_mg(register SV *sv, register const char *ptr, register STRLEN len) |
2352 | { | |
2353 | sv_setpvn(sv,ptr,len); | |
2354 | SvSETMAGIC(sv); | |
2355 | } | |
2356 | ||
2357 | void | |
8ac85365 | 2358 | sv_setpv(register SV *sv, register const char *ptr) |
79072805 LW |
2359 | { |
2360 | register STRLEN len; | |
2361 | ||
2213622d | 2362 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2363 | if (!ptr) { |
a0d0e21e | 2364 | (void)SvOK_off(sv); |
463ee0b2 LW |
2365 | return; |
2366 | } | |
79072805 | 2367 | len = strlen(ptr); |
c07a80fd | 2368 | if (SvTYPE(sv) >= SVt_PV) { |
2369 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2370 | sv_unglob(sv); | |
2371 | } | |
c6f8c383 GA |
2372 | else |
2373 | sv_upgrade(sv, SVt_PV); | |
2374 | ||
79072805 | 2375 | SvGROW(sv, len + 1); |
463ee0b2 | 2376 | Move(ptr,SvPVX(sv),len+1,char); |
79072805 | 2377 | SvCUR_set(sv, len); |
a0d0e21e | 2378 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 LW |
2379 | SvTAINT(sv); |
2380 | } | |
2381 | ||
2382 | void | |
ef50df4b GS |
2383 | sv_setpv_mg(register SV *sv, register const char *ptr) |
2384 | { | |
2385 | sv_setpv(sv,ptr); | |
2386 | SvSETMAGIC(sv); | |
2387 | } | |
2388 | ||
2389 | void | |
8ac85365 | 2390 | sv_usepvn(register SV *sv, register char *ptr, register STRLEN len) |
463ee0b2 | 2391 | { |
2213622d | 2392 | SV_CHECK_THINKFIRST(sv); |
c6f8c383 | 2393 | (void)SvUPGRADE(sv, SVt_PV); |
463ee0b2 | 2394 | if (!ptr) { |
a0d0e21e | 2395 | (void)SvOK_off(sv); |
463ee0b2 LW |
2396 | return; |
2397 | } | |
2398 | if (SvPVX(sv)) | |
2399 | Safefree(SvPVX(sv)); | |
2400 | Renew(ptr, len+1, char); | |
2401 | SvPVX(sv) = ptr; | |
2402 | SvCUR_set(sv, len); | |
2403 | SvLEN_set(sv, len+1); | |
2404 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2405 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2406 | SvTAINT(sv); |
79072805 LW |
2407 | } |
2408 | ||
ef50df4b GS |
2409 | void |
2410 | sv_usepvn_mg(register SV *sv, register char *ptr, register STRLEN len) | |
2411 | { | |
51c1089b | 2412 | sv_usepvn(sv,ptr,len); |
ef50df4b GS |
2413 | SvSETMAGIC(sv); |
2414 | } | |
2415 | ||
76e3520e | 2416 | STATIC void |
8ac85365 | 2417 | sv_check_thinkfirst(register SV *sv) |
0f15f207 | 2418 | { |
2213622d GA |
2419 | if (SvREADONLY(sv)) { |
2420 | dTHR; | |
3280af22 | 2421 | if (PL_curcop != &PL_compiling) |
2213622d | 2422 | croak(no_modify); |
0f15f207 | 2423 | } |
2213622d GA |
2424 | if (SvROK(sv)) |
2425 | sv_unref(sv); | |
0f15f207 MB |
2426 | } |
2427 | ||
79072805 | 2428 | void |
8ac85365 NIS |
2429 | sv_chop(register SV *sv, register char *ptr) /* like set but assuming ptr is in sv */ |
2430 | ||
2431 | ||
79072805 LW |
2432 | { |
2433 | register STRLEN delta; | |
2434 | ||
a0d0e21e | 2435 | if (!ptr || !SvPOKp(sv)) |
79072805 | 2436 | return; |
2213622d | 2437 | SV_CHECK_THINKFIRST(sv); |
79072805 LW |
2438 | if (SvTYPE(sv) < SVt_PVIV) |
2439 | sv_upgrade(sv,SVt_PVIV); | |
2440 | ||
2441 | if (!SvOOK(sv)) { | |
463ee0b2 | 2442 | SvIVX(sv) = 0; |
79072805 LW |
2443 | SvFLAGS(sv) |= SVf_OOK; |
2444 | } | |
8990e307 | 2445 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK); |
463ee0b2 | 2446 | delta = ptr - SvPVX(sv); |
79072805 LW |
2447 | SvLEN(sv) -= delta; |
2448 | SvCUR(sv) -= delta; | |
463ee0b2 LW |
2449 | SvPVX(sv) += delta; |
2450 | SvIVX(sv) += delta; | |
79072805 LW |
2451 | } |
2452 | ||
2453 | void | |
8ac85365 | 2454 | sv_catpvn(register SV *sv, register char *ptr, register STRLEN len) |
79072805 | 2455 | { |
463ee0b2 | 2456 | STRLEN tlen; |
748a9306 | 2457 | char *junk; |
a0d0e21e | 2458 | |
748a9306 | 2459 | junk = SvPV_force(sv, tlen); |
463ee0b2 | 2460 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2461 | if (ptr == junk) |
2462 | ptr = SvPVX(sv); | |
463ee0b2 | 2463 | Move(ptr,SvPVX(sv)+tlen,len,char); |
79072805 LW |
2464 | SvCUR(sv) += len; |
2465 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2466 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2467 | SvTAINT(sv); |
79072805 LW |
2468 | } |
2469 | ||
2470 | void | |
ef50df4b GS |
2471 | sv_catpvn_mg(register SV *sv, register char *ptr, register STRLEN len) |
2472 | { | |
2473 | sv_catpvn(sv,ptr,len); | |
2474 | SvSETMAGIC(sv); | |
2475 | } | |
2476 | ||
2477 | void | |
8ac85365 | 2478 | sv_catsv(SV *dstr, register SV *sstr) |
79072805 LW |
2479 | { |
2480 | char *s; | |
463ee0b2 | 2481 | STRLEN len; |
79072805 LW |
2482 | if (!sstr) |
2483 | return; | |
463ee0b2 LW |
2484 | if (s = SvPV(sstr, len)) |
2485 | sv_catpvn(dstr,s,len); | |
79072805 LW |
2486 | } |
2487 | ||
2488 | void | |
ef50df4b GS |
2489 | sv_catsv_mg(SV *dstr, register SV *sstr) |
2490 | { | |
2491 | sv_catsv(dstr,sstr); | |
2492 | SvSETMAGIC(dstr); | |
2493 | } | |
2494 | ||
2495 | void | |
8ac85365 | 2496 | sv_catpv(register SV *sv, register char *ptr) |
79072805 LW |
2497 | { |
2498 | register STRLEN len; | |
463ee0b2 | 2499 | STRLEN tlen; |
748a9306 | 2500 | char *junk; |
79072805 | 2501 | |
79072805 LW |
2502 | if (!ptr) |
2503 | return; | |
748a9306 | 2504 | junk = SvPV_force(sv, tlen); |
79072805 | 2505 | len = strlen(ptr); |
463ee0b2 | 2506 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2507 | if (ptr == junk) |
2508 | ptr = SvPVX(sv); | |
463ee0b2 | 2509 | Move(ptr,SvPVX(sv)+tlen,len+1,char); |
79072805 | 2510 | SvCUR(sv) += len; |
a0d0e21e | 2511 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2512 | SvTAINT(sv); |
79072805 LW |
2513 | } |
2514 | ||
ef50df4b GS |
2515 | void |
2516 | sv_catpv_mg(register SV *sv, register char *ptr) | |
2517 | { | |
51c1089b | 2518 | sv_catpv(sv,ptr); |
ef50df4b GS |
2519 | SvSETMAGIC(sv); |
2520 | } | |
2521 | ||
79072805 | 2522 | SV * |
8ac85365 | 2523 | newSV(STRLEN len) |
79072805 LW |
2524 | { |
2525 | register SV *sv; | |
2526 | ||
4561caa4 | 2527 | new_SV(sv); |
8990e307 LW |
2528 | SvANY(sv) = 0; |
2529 | SvREFCNT(sv) = 1; | |
2530 | SvFLAGS(sv) = 0; | |
79072805 LW |
2531 | if (len) { |
2532 | sv_upgrade(sv, SVt_PV); | |
2533 | SvGROW(sv, len + 1); | |
2534 | } | |
2535 | return sv; | |
2536 | } | |
2537 | ||
1edc1566 | 2538 | /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */ |
2539 | ||
79072805 | 2540 | void |
8ac85365 | 2541 | sv_magic(register SV *sv, SV *obj, int how, char *name, I32 namlen) |
79072805 LW |
2542 | { |
2543 | MAGIC* mg; | |
2544 | ||
0f15f207 MB |
2545 | if (SvREADONLY(sv)) { |
2546 | dTHR; | |
3280af22 | 2547 | if (PL_curcop != &PL_compiling && !strchr("gBf", how)) |
0f15f207 MB |
2548 | croak(no_modify); |
2549 | } | |
4633a7c4 | 2550 | if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) { |
748a9306 LW |
2551 | if (SvMAGIC(sv) && (mg = mg_find(sv, how))) { |
2552 | if (how == 't') | |
565764a8 | 2553 | mg->mg_len |= 1; |
463ee0b2 | 2554 | return; |
748a9306 | 2555 | } |
463ee0b2 LW |
2556 | } |
2557 | else { | |
c6f8c383 | 2558 | (void)SvUPGRADE(sv, SVt_PVMG); |
463ee0b2 | 2559 | } |
79072805 LW |
2560 | Newz(702,mg, 1, MAGIC); |
2561 | mg->mg_moremagic = SvMAGIC(sv); | |
463ee0b2 | 2562 | |
79072805 | 2563 | SvMAGIC(sv) = mg; |
c277df42 | 2564 | if (!obj || obj == sv || how == '#' || how == 'r') |
8990e307 | 2565 | mg->mg_obj = obj; |
85e6fe83 | 2566 | else { |
11343788 | 2567 | dTHR; |
8990e307 | 2568 | mg->mg_obj = SvREFCNT_inc(obj); |
85e6fe83 LW |
2569 | mg->mg_flags |= MGf_REFCOUNTED; |
2570 | } | |
79072805 | 2571 | mg->mg_type = how; |
565764a8 | 2572 | mg->mg_len = namlen; |
1edc1566 | 2573 | if (name) |
2574 | if (namlen >= 0) | |
2575 | mg->mg_ptr = savepvn(name, namlen); | |
c6ee37c5 | 2576 | else if (namlen == HEf_SVKEY) |
1edc1566 | 2577 | mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name); |
2578 | ||
79072805 LW |
2579 | switch (how) { |
2580 | case 0: | |
2581 | mg->mg_virtual = &vtbl_sv; | |
2582 | break; | |
a0d0e21e LW |
2583 | #ifdef OVERLOAD |
2584 | case 'A': | |
2585 | mg->mg_virtual = &vtbl_amagic; | |
2586 | break; | |
2587 | case 'a': | |
2588 | mg->mg_virtual = &vtbl_amagicelem; | |
2589 | break; | |
2590 | case 'c': | |
2591 | mg->mg_virtual = 0; | |
2592 | break; | |
2593 | #endif /* OVERLOAD */ | |
79072805 LW |
2594 | case 'B': |
2595 | mg->mg_virtual = &vtbl_bm; | |
2596 | break; | |
79072805 LW |
2597 | case 'E': |
2598 | mg->mg_virtual = &vtbl_env; | |
2599 | break; | |
55497cff | 2600 | case 'f': |
2601 | mg->mg_virtual = &vtbl_fm; | |
2602 | break; | |
79072805 LW |
2603 | case 'e': |
2604 | mg->mg_virtual = &vtbl_envelem; | |
2605 | break; | |
93a17b20 LW |
2606 | case 'g': |
2607 | mg->mg_virtual = &vtbl_mglob; | |
2608 | break; | |
463ee0b2 LW |
2609 | case 'I': |
2610 | mg->mg_virtual = &vtbl_isa; | |
2611 | break; | |
2612 | case 'i': | |
2613 | mg->mg_virtual = &vtbl_isaelem; | |
2614 | break; | |
16660edb | 2615 | case 'k': |
2616 | mg->mg_virtual = &vtbl_nkeys; | |
2617 | break; | |
79072805 | 2618 | case 'L': |
a0d0e21e | 2619 | SvRMAGICAL_on(sv); |
93a17b20 LW |
2620 | mg->mg_virtual = 0; |
2621 | break; | |
2622 | case 'l': | |
79072805 LW |
2623 | mg->mg_virtual = &vtbl_dbline; |
2624 | break; | |
f93b4edd MB |
2625 | #ifdef USE_THREADS |
2626 | case 'm': | |
2627 | mg->mg_virtual = &vtbl_mutex; | |
2628 | break; | |
2629 | #endif /* USE_THREADS */ | |
36477c24 | 2630 | #ifdef USE_LOCALE_COLLATE |
bbce6d69 | 2631 | case 'o': |
2632 | mg->mg_virtual = &vtbl_collxfrm; | |
2633 | break; | |
36477c24 | 2634 | #endif /* USE_LOCALE_COLLATE */ |
463ee0b2 LW |
2635 | case 'P': |
2636 | mg->mg_virtual = &vtbl_pack; | |
2637 | break; | |
2638 | case 'p': | |
a0d0e21e | 2639 | case 'q': |
463ee0b2 LW |
2640 | mg->mg_virtual = &vtbl_packelem; |
2641 | break; | |
c277df42 IZ |
2642 | case 'r': |
2643 | mg->mg_virtual = &vtbl_regexp; | |
2644 | break; | |
79072805 LW |
2645 | case 'S': |
2646 | mg->mg_virtual = &vtbl_sig; | |
2647 | break; | |
2648 | case 's': | |
2649 | mg->mg_virtual = &vtbl_sigelem; | |
2650 | break; | |
463ee0b2 LW |
2651 | case 't': |
2652 | mg->mg_virtual = &vtbl_taint; | |
565764a8 | 2653 | mg->mg_len = 1; |
463ee0b2 | 2654 | break; |
79072805 LW |
2655 | case 'U': |
2656 | mg->mg_virtual = &vtbl_uvar; | |
2657 | break; | |
2658 | case 'v': | |
2659 | mg->mg_virtual = &vtbl_vec; | |
2660 | break; | |
2661 | case 'x': | |
2662 | mg->mg_virtual = &vtbl_substr; | |
2663 | break; | |
5f05dabc | 2664 | case 'y': |
68dc0745 | 2665 | mg->mg_virtual = &vtbl_defelem; |
5f05dabc | 2666 | break; |
79072805 LW |
2667 | case '*': |
2668 | mg->mg_virtual = &vtbl_glob; | |
2669 | break; | |
2670 | case '#': | |
2671 | mg->mg_virtual = &vtbl_arylen; | |
2672 | break; | |
a0d0e21e LW |
2673 | case '.': |
2674 | mg->mg_virtual = &vtbl_pos; | |
2675 | break; | |
4633a7c4 LW |
2676 | case '~': /* Reserved for use by extensions not perl internals. */ |
2677 | /* Useful for attaching extension internal data to perl vars. */ | |
2678 | /* Note that multiple extensions may clash if magical scalars */ | |
2679 | /* etc holding private data from one are passed to another. */ | |
2680 | SvRMAGICAL_on(sv); | |
a0d0e21e | 2681 | break; |
79072805 | 2682 | default: |
463ee0b2 LW |
2683 | croak("Don't know how to handle magic of type '%c'", how); |
2684 | } | |
8990e307 LW |
2685 | mg_magical(sv); |
2686 | if (SvGMAGICAL(sv)) | |
2687 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
463ee0b2 LW |
2688 | } |
2689 | ||
2690 | int | |
8ac85365 | 2691 | sv_unmagic(SV *sv, int type) |
463ee0b2 LW |
2692 | { |
2693 | MAGIC* mg; | |
2694 | MAGIC** mgp; | |
91bba347 | 2695 | if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv)) |
463ee0b2 LW |
2696 | return 0; |
2697 | mgp = &SvMAGIC(sv); | |
2698 | for (mg = *mgp; mg; mg = *mgp) { | |
2699 | if (mg->mg_type == type) { | |
2700 | MGVTBL* vtbl = mg->mg_virtual; | |
2701 | *mgp = mg->mg_moremagic; | |
76e3520e GS |
2702 | if (vtbl && (vtbl->svt_free != NULL)) |
2703 | (VTBL->svt_free)(sv, mg); | |
463ee0b2 | 2704 | if (mg->mg_ptr && mg->mg_type != 'g') |
565764a8 | 2705 | if (mg->mg_len >= 0) |
1edc1566 | 2706 | Safefree(mg->mg_ptr); |
565764a8 | 2707 | else if (mg->mg_len == HEf_SVKEY) |
1edc1566 | 2708 | SvREFCNT_dec((SV*)mg->mg_ptr); |
a0d0e21e LW |
2709 | if (mg->mg_flags & MGf_REFCOUNTED) |
2710 | SvREFCNT_dec(mg->mg_obj); | |
463ee0b2 LW |
2711 | Safefree(mg); |
2712 | } | |
2713 | else | |
2714 | mgp = &mg->mg_moremagic; | |
79072805 | 2715 | } |
91bba347 | 2716 | if (!SvMAGIC(sv)) { |
463ee0b2 | 2717 | SvMAGICAL_off(sv); |
8990e307 | 2718 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 LW |
2719 | } |
2720 | ||
2721 | return 0; | |
79072805 LW |
2722 | } |
2723 | ||
2724 | void | |
8ac85365 | 2725 | sv_insert(SV *bigstr, STRLEN offset, STRLEN len, char *little, STRLEN littlelen) |
79072805 LW |
2726 | { |
2727 | register char *big; | |
2728 | register char *mid; | |
2729 | register char *midend; | |
2730 | register char *bigend; | |
2731 | register I32 i; | |
6ff81951 GS |
2732 | STRLEN curlen; |
2733 | ||
79072805 | 2734 | |
8990e307 LW |
2735 | if (!bigstr) |
2736 | croak("Can't modify non-existent substring"); | |
6ff81951 GS |
2737 | SvPV_force(bigstr, curlen); |
2738 | if (offset + len > curlen) { | |
2739 | SvGROW(bigstr, offset+len+1); | |
2740 | Zero(SvPVX(bigstr)+curlen, offset+len-curlen, char); | |
2741 | SvCUR_set(bigstr, offset+len); | |
2742 | } | |
79072805 LW |
2743 | |
2744 | i = littlelen - len; | |
2745 | if (i > 0) { /* string might grow */ | |
a0d0e21e | 2746 | big = SvGROW(bigstr, SvCUR(bigstr) + i + 1); |
79072805 LW |
2747 | mid = big + offset + len; |
2748 | midend = bigend = big + SvCUR(bigstr); | |
2749 | bigend += i; | |
2750 | *bigend = '\0'; | |
2751 | while (midend > mid) /* shove everything down */ | |
2752 | *--bigend = *--midend; | |
2753 | Move(little,big+offset,littlelen,char); | |
2754 | SvCUR(bigstr) += i; | |
2755 | SvSETMAGIC(bigstr); | |
2756 | return; | |
2757 | } | |
2758 | else if (i == 0) { | |
463ee0b2 | 2759 | Move(little,SvPVX(bigstr)+offset,len,char); |
79072805 LW |
2760 | SvSETMAGIC(bigstr); |
2761 | return; | |
2762 | } | |
2763 | ||
463ee0b2 | 2764 | big = SvPVX(bigstr); |
79072805 LW |
2765 | mid = big + offset; |
2766 | midend = mid + len; | |
2767 | bigend = big + SvCUR(bigstr); | |
2768 | ||
2769 | if (midend > bigend) | |
463ee0b2 | 2770 | croak("panic: sv_insert"); |
79072805 LW |
2771 | |
2772 | if (mid - big > bigend - midend) { /* faster to shorten from end */ | |
2773 | if (littlelen) { | |
2774 | Move(little, mid, littlelen,char); | |
2775 | mid += littlelen; | |
2776 | } | |
2777 | i = bigend - midend; | |
2778 | if (i > 0) { | |
2779 | Move(midend, mid, i,char); | |
2780 | mid += i; | |
2781 | } | |
2782 | *mid = '\0'; | |
2783 | SvCUR_set(bigstr, mid - big); | |
2784 | } | |
2785 | /*SUPPRESS 560*/ | |
2786 | else if (i = mid - big) { /* faster from front */ | |
2787 | midend -= littlelen; | |
2788 | mid = midend; | |
2789 | sv_chop(bigstr,midend-i); | |
2790 | big += i; | |
2791 | while (i--) | |
2792 | *--midend = *--big; | |
2793 | if (littlelen) | |
2794 | Move(little, mid, littlelen,char); | |
2795 | } | |
2796 | else if (littlelen) { | |
2797 | midend -= littlelen; | |
2798 | sv_chop(bigstr,midend); | |
2799 | Move(little,midend,littlelen,char); | |
2800 | } | |
2801 | else { | |
2802 | sv_chop(bigstr,midend); | |
2803 | } | |
2804 | SvSETMAGIC(bigstr); | |
2805 | } | |
2806 | ||
2807 | /* make sv point to what nstr did */ | |
2808 | ||
2809 | void | |
8ac85365 | 2810 | sv_replace(register SV *sv, register SV *nsv) |
79072805 LW |
2811 | { |
2812 | U32 refcnt = SvREFCNT(sv); | |
2213622d | 2813 | SV_CHECK_THINKFIRST(sv); |
79072805 LW |
2814 | if (SvREFCNT(nsv) != 1) |
2815 | warn("Reference miscount in sv_replace()"); | |
93a17b20 | 2816 | if (SvMAGICAL(sv)) { |
a0d0e21e LW |
2817 | if (SvMAGICAL(nsv)) |
2818 | mg_free(nsv); | |
2819 | else | |
2820 | sv_upgrade(nsv, SVt_PVMG); | |
93a17b20 | 2821 | SvMAGIC(nsv) = SvMAGIC(sv); |
a0d0e21e | 2822 | SvFLAGS(nsv) |= SvMAGICAL(sv); |
93a17b20 LW |
2823 | SvMAGICAL_off(sv); |
2824 | SvMAGIC(sv) = 0; | |
2825 | } | |
79072805 LW |
2826 | SvREFCNT(sv) = 0; |
2827 | sv_clear(sv); | |
477f5d66 | 2828 | assert(!SvREFCNT(sv)); |
79072805 LW |
2829 | StructCopy(nsv,sv,SV); |
2830 | SvREFCNT(sv) = refcnt; | |
1edc1566 | 2831 | SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */ |
463ee0b2 | 2832 | del_SV(nsv); |
79072805 LW |
2833 | } |
2834 | ||
2835 | void | |
8ac85365 | 2836 | sv_clear(register SV *sv) |
79072805 | 2837 | { |
ec12f114 | 2838 | HV* stash; |
79072805 LW |
2839 | assert(sv); |
2840 | assert(SvREFCNT(sv) == 0); | |
2841 | ||
ed6116ce | 2842 | if (SvOBJECT(sv)) { |
e858de61 | 2843 | dTHR; |
3280af22 | 2844 | if (PL_defstash) { /* Still have a symbol table? */ |
4e35701f | 2845 | djSP; |
8ebc5c01 | 2846 | GV* destructor; |
837485b6 | 2847 | SV tmpref; |
a0d0e21e | 2848 | |
837485b6 GS |
2849 | Zero(&tmpref, 1, SV); |
2850 | sv_upgrade(&tmpref, SVt_RV); | |
2851 | SvROK_on(&tmpref); | |
2852 | SvREADONLY_on(&tmpref); /* DESTROY() could be naughty */ | |
2853 | SvREFCNT(&tmpref) = 1; | |
8ebc5c01 | 2854 | |
4e8e7886 GS |
2855 | do { |
2856 | stash = SvSTASH(sv); | |
2857 | destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); | |
2858 | if (destructor) { | |
2859 | ENTER; | |
e788e7d3 | 2860 | PUSHSTACKi(PERLSI_DESTROY); |
837485b6 | 2861 | SvRV(&tmpref) = SvREFCNT_inc(sv); |
4e8e7886 GS |
2862 | EXTEND(SP, 2); |
2863 | PUSHMARK(SP); | |
837485b6 | 2864 | PUSHs(&tmpref); |
4e8e7886 GS |
2865 | PUTBACK; |
2866 | perl_call_sv((SV*)GvCV(destructor), | |
2867 | G_DISCARD|G_EVAL|G_KEEPERR); | |
2868 | SvREFCNT(sv)--; | |
d3acc0f7 | 2869 | POPSTACK; |
4e8e7886 GS |
2870 | LEAVE; |
2871 | } | |
2872 | } while (SvOBJECT(sv) && SvSTASH(sv) != stash); | |
8ebc5c01 | 2873 | |
837485b6 | 2874 | del_XRV(SvANY(&tmpref)); |
a0d0e21e | 2875 | } |
4e8e7886 | 2876 | |
a0d0e21e | 2877 | if (SvOBJECT(sv)) { |
4e8e7886 | 2878 | SvREFCNT_dec(SvSTASH(sv)); /* possibly of changed persuasion */ |
a0d0e21e LW |
2879 | SvOBJECT_off(sv); /* Curse the object. */ |
2880 | if (SvTYPE(sv) != SVt_PVIO) | |
3280af22 | 2881 | --PL_sv_objcount; /* XXX Might want something more general */ |
a0d0e21e | 2882 | } |
1edc1566 | 2883 | if (SvREFCNT(sv)) { |
3280af22 | 2884 | if (PL_in_clean_objs) |
477f5d66 CS |
2885 | croak("DESTROY created new reference to dead object"); |
2886 | /* DESTROY gave object new lease on life */ | |
2887 | return; | |
1edc1566 | 2888 | } |
463ee0b2 | 2889 | } |
c07a80fd | 2890 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) |
a0d0e21e | 2891 | mg_free(sv); |
ec12f114 | 2892 | stash = NULL; |
79072805 | 2893 | switch (SvTYPE(sv)) { |
8990e307 | 2894 | case SVt_PVIO: |
df0bd2f4 GS |
2895 | if (IoIFP(sv) && |
2896 | IoIFP(sv) != PerlIO_stdin() && | |
5f05dabc | 2897 | IoIFP(sv) != PerlIO_stdout() && |
2898 | IoIFP(sv) != PerlIO_stderr()) | |
2899 | io_close((IO*)sv); | |
8990e307 LW |
2900 | Safefree(IoTOP_NAME(sv)); |
2901 | Safefree(IoFMT_NAME(sv)); | |
2902 | Safefree(IoBOTTOM_NAME(sv)); | |
a0d0e21e | 2903 | /* FALL THROUGH */ |
79072805 | 2904 | case SVt_PVBM: |
a0d0e21e | 2905 | goto freescalar; |
79072805 | 2906 | case SVt_PVCV: |
748a9306 | 2907 | case SVt_PVFM: |
85e6fe83 | 2908 | cv_undef((CV*)sv); |
a0d0e21e | 2909 | goto freescalar; |
79072805 | 2910 | case SVt_PVHV: |
85e6fe83 | 2911 | hv_undef((HV*)sv); |
a0d0e21e | 2912 | break; |
79072805 | 2913 | case SVt_PVAV: |
85e6fe83 | 2914 | av_undef((AV*)sv); |
a0d0e21e | 2915 | break; |
02270b4e GS |
2916 | case SVt_PVLV: |
2917 | SvREFCNT_dec(LvTARG(sv)); | |
2918 | goto freescalar; | |
a0d0e21e | 2919 | case SVt_PVGV: |
1edc1566 | 2920 | gp_free((GV*)sv); |
a0d0e21e | 2921 | Safefree(GvNAME(sv)); |
ec12f114 JPC |
2922 | /* cannot decrease stash refcount yet, as we might recursively delete |
2923 | ourselves when the refcnt drops to zero. Delay SvREFCNT_dec | |
2924 | of stash until current sv is completely gone. | |
2925 | -- JohnPC, 27 Mar 1998 */ | |
2926 | stash = GvSTASH(sv); | |
a0d0e21e | 2927 | /* FALL THROUGH */ |
79072805 | 2928 | case SVt_PVMG: |
79072805 LW |
2929 | case SVt_PVNV: |
2930 | case SVt_PVIV: | |
a0d0e21e LW |
2931 | freescalar: |
2932 | (void)SvOOK_off(sv); | |
79072805 LW |
2933 | /* FALL THROUGH */ |
2934 | case SVt_PV: | |
a0d0e21e | 2935 | case SVt_RV: |
8990e307 LW |
2936 | if (SvROK(sv)) |
2937 | SvREFCNT_dec(SvRV(sv)); | |
1edc1566 | 2938 | else if (SvPVX(sv) && SvLEN(sv)) |
463ee0b2 | 2939 | Safefree(SvPVX(sv)); |
79072805 | 2940 | break; |
a0d0e21e | 2941 | /* |
79072805 | 2942 | case SVt_NV: |
79072805 | 2943 | case SVt_IV: |
79072805 LW |
2944 | case SVt_NULL: |
2945 | break; | |
a0d0e21e | 2946 | */ |
79072805 LW |
2947 | } |
2948 | ||
2949 | switch (SvTYPE(sv)) { | |
2950 | case SVt_NULL: | |
2951 | break; | |
79072805 LW |
2952 | case SVt_IV: |
2953 | del_XIV(SvANY(sv)); | |
2954 | break; | |
2955 | case SVt_NV: | |
2956 | del_XNV(SvANY(sv)); | |
2957 | break; | |
ed6116ce LW |
2958 | case SVt_RV: |
2959 | del_XRV(SvANY(sv)); | |
2960 | break; | |
79072805 LW |
2961 | case SVt_PV: |
2962 | del_XPV(SvANY(sv)); | |
2963 | break; | |
2964 | case SVt_PVIV: | |
2965 | del_XPVIV(SvANY(sv)); | |
2966 | break; | |
2967 | case SVt_PVNV: | |
2968 | del_XPVNV(SvANY(sv)); | |
2969 | break; | |
2970 | case SVt_PVMG: | |
2971 | del_XPVMG(SvANY(sv)); | |
2972 | break; | |
2973 | case SVt_PVLV: | |
2974 | del_XPVLV(SvANY(sv)); | |
2975 | break; | |
2976 | case SVt_PVAV: | |
2977 | del_XPVAV(SvANY(sv)); | |
2978 | break; | |
2979 | case SVt_PVHV: | |
2980 | del_XPVHV(SvANY(sv)); | |
2981 | break; | |
2982 | case SVt_PVCV: | |
2983 | del_XPVCV(SvANY(sv)); | |
2984 | break; | |
2985 | case SVt_PVGV: | |
2986 | del_XPVGV(SvANY(sv)); | |
ec12f114 JPC |
2987 | /* code duplication for increased performance. */ |
2988 | SvFLAGS(sv) &= SVf_BREAK; | |
2989 | SvFLAGS(sv) |= SVTYPEMASK; | |
2990 | /* decrease refcount of the stash that owns this GV, if any */ | |
2991 | if (stash) | |
2992 | SvREFCNT_dec(stash); | |
2993 | return; /* not break, SvFLAGS reset already happened */ | |
79072805 LW |
2994 | case SVt_PVBM: |
2995 | del_XPVBM(SvANY(sv)); | |
2996 | break; | |
2997 | case SVt_PVFM: | |
2998 | del_XPVFM(SvANY(sv)); | |
2999 | break; | |
8990e307 LW |
3000 | case SVt_PVIO: |
3001 | del_XPVIO(SvANY(sv)); | |
3002 | break; | |
79072805 | 3003 | } |
a0d0e21e | 3004 | SvFLAGS(sv) &= SVf_BREAK; |
8990e307 | 3005 | SvFLAGS(sv) |= SVTYPEMASK; |
79072805 LW |
3006 | } |
3007 | ||
3008 | SV * | |
8ac85365 | 3009 | sv_newref(SV *sv) |
79072805 | 3010 | { |
463ee0b2 | 3011 | if (sv) |
dce16143 | 3012 | ATOMIC_INC(SvREFCNT(sv)); |
79072805 LW |
3013 | return sv; |
3014 | } | |
3015 | ||
3016 | void | |
8ac85365 | 3017 | sv_free(SV *sv) |
79072805 | 3018 | { |
dce16143 MB |
3019 | int refcount_is_zero; |
3020 | ||
79072805 LW |
3021 | if (!sv) |
3022 | return; | |
a0d0e21e LW |
3023 | if (SvREFCNT(sv) == 0) { |
3024 | if (SvFLAGS(sv) & SVf_BREAK) | |
3025 | return; | |
3280af22 | 3026 | if (PL_in_clean_all) /* All is fair */ |
1edc1566 | 3027 | return; |
d689ffdd JP |
3028 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) { |
3029 | /* make sure SvREFCNT(sv)==0 happens very seldom */ | |
3030 | SvREFCNT(sv) = (~(U32)0)/2; | |
3031 | return; | |
3032 | } | |
79072805 LW |
3033 | warn("Attempt to free unreferenced scalar"); |
3034 | return; | |
3035 | } | |
dce16143 MB |
3036 | ATOMIC_DEC_AND_TEST(refcount_is_zero, SvREFCNT(sv)); |
3037 | if (!refcount_is_zero) | |
8990e307 | 3038 | return; |
463ee0b2 LW |
3039 | #ifdef DEBUGGING |
3040 | if (SvTEMP(sv)) { | |
7f20e9dd | 3041 | warn("Attempt to free temp prematurely: SV 0x%lx", (unsigned long)sv); |
79072805 | 3042 | return; |
79072805 | 3043 | } |
463ee0b2 | 3044 | #endif |
d689ffdd JP |
3045 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) { |
3046 | /* make sure SvREFCNT(sv)==0 happens very seldom */ | |
3047 | SvREFCNT(sv) = (~(U32)0)/2; | |
3048 | return; | |
3049 | } | |
79072805 | 3050 | sv_clear(sv); |
477f5d66 CS |
3051 | if (! SvREFCNT(sv)) |
3052 | del_SV(sv); | |
79072805 LW |
3053 | } |
3054 | ||
3055 | STRLEN | |
8ac85365 | 3056 | sv_len(register SV *sv) |
79072805 | 3057 | { |
748a9306 | 3058 | char *junk; |
463ee0b2 | 3059 | STRLEN len; |
79072805 LW |
3060 | |
3061 | if (!sv) | |
3062 | return 0; | |
3063 | ||
8990e307 | 3064 | if (SvGMAGICAL(sv)) |
565764a8 | 3065 | len = mg_length(sv); |
8990e307 | 3066 | else |
748a9306 | 3067 | junk = SvPV(sv, len); |
463ee0b2 | 3068 | return len; |
79072805 LW |
3069 | } |
3070 | ||
3071 | I32 | |
8ac85365 | 3072 | sv_eq(register SV *str1, register SV *str2) |
79072805 LW |
3073 | { |
3074 | char *pv1; | |
463ee0b2 | 3075 | STRLEN cur1; |
79072805 | 3076 | char *pv2; |
463ee0b2 | 3077 | STRLEN cur2; |
79072805 LW |
3078 | |
3079 | if (!str1) { | |
3080 | pv1 = ""; | |
3081 | cur1 = 0; | |
3082 | } | |
463ee0b2 LW |
3083 | else |
3084 | pv1 = SvPV(str1, cur1); | |
79072805 LW |
3085 | |
3086 | if (!str2) | |
3087 | return !cur1; | |
463ee0b2 LW |
3088 | else |
3089 | pv2 = SvPV(str2, cur2); | |
79072805 LW |
3090 | |
3091 | if (cur1 != cur2) | |
3092 | return 0; | |
3093 | ||
36477c24 | 3094 | return memEQ(pv1, pv2, cur1); |
79072805 LW |
3095 | } |
3096 | ||
3097 | I32 | |
8ac85365 | 3098 | sv_cmp(register SV *str1, register SV *str2) |
79072805 | 3099 | { |
bbce6d69 | 3100 | STRLEN cur1 = 0; |
8ac85365 | 3101 | char *pv1 = str1 ? SvPV(str1, cur1) : (char *) NULL; |
bbce6d69 | 3102 | STRLEN cur2 = 0; |
8ac85365 | 3103 | char *pv2 = str2 ? SvPV(str2, cur2) : (char *) NULL; |
79072805 | 3104 | I32 retval; |
79072805 | 3105 | |
bbce6d69 | 3106 | if (!cur1) |
3107 | return cur2 ? -1 : 0; | |
16660edb | 3108 | |
bbce6d69 | 3109 | if (!cur2) |
3110 | return 1; | |
79072805 | 3111 | |
bbce6d69 | 3112 | retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2); |
16660edb | 3113 | |
bbce6d69 | 3114 | if (retval) |
3115 | return retval < 0 ? -1 : 1; | |
16660edb | 3116 | |
bbce6d69 | 3117 | if (cur1 == cur2) |
3118 | return 0; | |
3119 | else | |
3120 | return cur1 < cur2 ? -1 : 1; | |
3121 | } | |
16660edb | 3122 | |
bbce6d69 | 3123 | I32 |
8ac85365 | 3124 | sv_cmp_locale(register SV *sv1, register SV *sv2) |
bbce6d69 | 3125 | { |
36477c24 | 3126 | #ifdef USE_LOCALE_COLLATE |
16660edb | 3127 | |
bbce6d69 | 3128 | char *pv1, *pv2; |
3129 | STRLEN len1, len2; | |
3130 | I32 retval; | |
16660edb | 3131 | |
3280af22 | 3132 | if (PL_collation_standard) |
bbce6d69 | 3133 | goto raw_compare; |
16660edb | 3134 | |
bbce6d69 | 3135 | len1 = 0; |
8ac85365 | 3136 | pv1 = sv1 ? sv_collxfrm(sv1, &len1) : (char *) NULL; |
bbce6d69 | 3137 | len2 = 0; |
8ac85365 | 3138 | pv2 = sv2 ? sv_collxfrm(sv2, &len2) : (char *) NULL; |
16660edb | 3139 | |
bbce6d69 | 3140 | if (!pv1 || !len1) { |
3141 | if (pv2 && len2) | |
3142 | return -1; | |
3143 | else | |
3144 | goto raw_compare; | |
3145 | } | |
3146 | else { | |
3147 | if (!pv2 || !len2) | |
3148 | return 1; | |
3149 | } | |
16660edb | 3150 | |
bbce6d69 | 3151 | retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2); |
16660edb | 3152 | |
bbce6d69 | 3153 | if (retval) |
16660edb | 3154 | return retval < 0 ? -1 : 1; |
3155 | ||
bbce6d69 | 3156 | /* |
3157 | * When the result of collation is equality, that doesn't mean | |
3158 | * that there are no differences -- some locales exclude some | |
3159 | * characters from consideration. So to avoid false equalities, | |
3160 | * we use the raw string as a tiebreaker. | |
3161 | */ | |
16660edb | 3162 | |
bbce6d69 | 3163 | raw_compare: |
3164 | /* FALL THROUGH */ | |
16660edb | 3165 | |
36477c24 | 3166 | #endif /* USE_LOCALE_COLLATE */ |
16660edb | 3167 | |
bbce6d69 | 3168 | return sv_cmp(sv1, sv2); |
3169 | } | |
79072805 | 3170 | |
36477c24 | 3171 | #ifdef USE_LOCALE_COLLATE |
7a4c00b4 | 3172 | /* |
3173 | * Any scalar variable may carry an 'o' magic that contains the | |
3174 | * scalar data of the variable transformed to such a format that | |
3175 | * a normal memory comparison can be used to compare the data | |
3176 | * according to the locale settings. | |
3177 | */ | |
bbce6d69 | 3178 | char * |
8ac85365 | 3179 | sv_collxfrm(SV *sv, STRLEN *nxp) |
bbce6d69 | 3180 | { |
7a4c00b4 | 3181 | MAGIC *mg; |
16660edb | 3182 | |
8ac85365 | 3183 | mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : (MAGIC *) NULL; |
3280af22 | 3184 | if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != PL_collation_ix) { |
bbce6d69 | 3185 | char *s, *xf; |
3186 | STRLEN len, xlen; | |
3187 | ||
7a4c00b4 | 3188 | if (mg) |
3189 | Safefree(mg->mg_ptr); | |
bbce6d69 | 3190 | s = SvPV(sv, len); |
3191 | if ((xf = mem_collxfrm(s, len, &xlen))) { | |
ff0cee69 | 3192 | if (SvREADONLY(sv)) { |
3193 | SAVEFREEPV(xf); | |
3194 | *nxp = xlen; | |
3280af22 | 3195 | return xf + sizeof(PL_collation_ix); |
ff0cee69 | 3196 | } |
7a4c00b4 | 3197 | if (! mg) { |
3198 | sv_magic(sv, 0, 'o', 0, 0); | |
3199 | mg = mg_find(sv, 'o'); | |
3200 | assert(mg); | |
bbce6d69 | 3201 | } |
7a4c00b4 | 3202 | mg->mg_ptr = xf; |
565764a8 | 3203 | mg->mg_len = xlen; |
7a4c00b4 | 3204 | } |
3205 | else { | |
ff0cee69 | 3206 | if (mg) { |
3207 | mg->mg_ptr = NULL; | |
565764a8 | 3208 | mg->mg_len = -1; |
ff0cee69 | 3209 | } |
bbce6d69 | 3210 | } |
3211 | } | |
7a4c00b4 | 3212 | if (mg && mg->mg_ptr) { |
565764a8 | 3213 | *nxp = mg->mg_len; |
3280af22 | 3214 | return mg->mg_ptr + sizeof(PL_collation_ix); |
bbce6d69 | 3215 | } |
3216 | else { | |
3217 | *nxp = 0; | |
3218 | return NULL; | |
16660edb | 3219 | } |
79072805 LW |
3220 | } |
3221 | ||
36477c24 | 3222 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 3223 | |
79072805 | 3224 | char * |
76e3520e | 3225 | sv_gets(register SV *sv, register PerlIO *fp, I32 append) |
79072805 | 3226 | { |
aeea060c | 3227 | dTHR; |
c07a80fd | 3228 | char *rsptr; |
3229 | STRLEN rslen; | |
3230 | register STDCHAR rslast; | |
3231 | register STDCHAR *bp; | |
3232 | register I32 cnt; | |
3233 | I32 i; | |
3234 | ||
2213622d | 3235 | SV_CHECK_THINKFIRST(sv); |
c6f8c383 | 3236 | (void)SvUPGRADE(sv, SVt_PV); |
ff68c719 | 3237 | SvSCREAM_off(sv); |
c07a80fd | 3238 | |
3280af22 | 3239 | if (RsSNARF(PL_rs)) { |
c07a80fd | 3240 | rsptr = NULL; |
3241 | rslen = 0; | |
3242 | } | |
3280af22 | 3243 | else if (RsRECORD(PL_rs)) { |
5b2b9c68 HM |
3244 | I32 recsize, bytesread; |
3245 | char *buffer; | |
3246 | ||
3247 | /* Grab the size of the record we're getting */ | |
3280af22 | 3248 | recsize = SvIV(SvRV(PL_rs)); |
5b2b9c68 | 3249 | (void)SvPOK_only(sv); /* Validate pointer */ |
e670df4e | 3250 | buffer = SvGROW(sv, recsize + 1); |
5b2b9c68 HM |
3251 | /* Go yank in */ |
3252 | #ifdef VMS | |
3253 | /* VMS wants read instead of fread, because fread doesn't respect */ | |
3254 | /* RMS record boundaries. This is not necessarily a good thing to be */ | |
3255 | /* doing, but we've got no other real choice */ | |
3256 | bytesread = PerlLIO_read(PerlIO_fileno(fp), buffer, recsize); | |
3257 | #else | |
3258 | bytesread = PerlIO_read(fp, buffer, recsize); | |
3259 | #endif | |
3260 | SvCUR_set(sv, bytesread); | |
e670df4e | 3261 | buffer[bytesread] = '\0'; |
5b2b9c68 HM |
3262 | return(SvCUR(sv) ? SvPVX(sv) : Nullch); |
3263 | } | |
3280af22 | 3264 | else if (RsPARA(PL_rs)) { |
c07a80fd | 3265 | rsptr = "\n\n"; |
3266 | rslen = 2; | |
3267 | } | |
3268 | else | |
3280af22 | 3269 | rsptr = SvPV(PL_rs, rslen); |
c07a80fd | 3270 | rslast = rslen ? rsptr[rslen - 1] : '\0'; |
3271 | ||
3280af22 | 3272 | if (RsPARA(PL_rs)) { /* have to do this both before and after */ |
79072805 | 3273 | do { /* to make sure file boundaries work right */ |
760ac839 | 3274 | if (PerlIO_eof(fp)) |
a0d0e21e | 3275 | return 0; |
760ac839 | 3276 | i = PerlIO_getc(fp); |
79072805 | 3277 | if (i != '\n') { |
a0d0e21e LW |
3278 | if (i == -1) |
3279 | return 0; | |
760ac839 | 3280 | PerlIO_ungetc(fp,i); |
79072805 LW |
3281 | break; |
3282 | } | |
3283 | } while (i != EOF); | |
3284 | } | |
c07a80fd | 3285 | |
760ac839 LW |
3286 | /* See if we know enough about I/O mechanism to cheat it ! */ |
3287 | ||
3288 | /* This used to be #ifdef test - it is made run-time test for ease | |
3289 | of abstracting out stdio interface. One call should be cheap | |
3290 | enough here - and may even be a macro allowing compile | |
3291 | time optimization. | |
3292 | */ | |
3293 | ||
3294 | if (PerlIO_fast_gets(fp)) { | |
3295 | ||
3296 | /* | |
3297 | * We're going to steal some values from the stdio struct | |
3298 | * and put EVERYTHING in the innermost loop into registers. | |
3299 | */ | |
3300 | register STDCHAR *ptr; | |
3301 | STRLEN bpx; | |
3302 | I32 shortbuffered; | |
3303 | ||
16660edb | 3304 | #if defined(VMS) && defined(PERLIO_IS_STDIO) |
3305 | /* An ungetc()d char is handled separately from the regular | |
3306 | * buffer, so we getc() it back out and stuff it in the buffer. | |
3307 | */ | |
3308 | i = PerlIO_getc(fp); | |
3309 | if (i == EOF) return 0; | |
3310 | *(--((*fp)->_ptr)) = (unsigned char) i; | |
3311 | (*fp)->_cnt++; | |
3312 | #endif | |
c07a80fd | 3313 | |
c2960299 | 3314 | /* Here is some breathtakingly efficient cheating */ |
c07a80fd | 3315 | |
760ac839 | 3316 | cnt = PerlIO_get_cnt(fp); /* get count into register */ |
a0d0e21e | 3317 | (void)SvPOK_only(sv); /* validate pointer */ |
79072805 LW |
3318 | if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ |
3319 | if (cnt > 80 && SvLEN(sv) > append) { | |
3320 | shortbuffered = cnt - SvLEN(sv) + append + 1; | |
3321 | cnt -= shortbuffered; | |
3322 | } | |
3323 | else { | |
3324 | shortbuffered = 0; | |
bbce6d69 | 3325 | /* remember that cnt can be negative */ |
3326 | SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1))); | |
79072805 LW |
3327 | } |
3328 | } | |
3329 | else | |
3330 | shortbuffered = 0; | |
c07a80fd | 3331 | bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */ |
760ac839 | 3332 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); |
16660edb | 3333 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3334 | "Screamer: entering, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
16660edb | 3335 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3336 | "Screamer: entering: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3337 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3338 | (long)(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 LW |
3339 | for (;;) { |
3340 | screamer: | |
93a17b20 | 3341 | if (cnt > 0) { |
c07a80fd | 3342 | if (rslen) { |
760ac839 LW |
3343 | while (cnt > 0) { /* this | eat */ |
3344 | cnt--; | |
c07a80fd | 3345 | if ((*bp++ = *ptr++) == rslast) /* really | dust */ |
3346 | goto thats_all_folks; /* screams | sed :-) */ | |
3347 | } | |
3348 | } | |
3349 | else { | |
36477c24 | 3350 | Copy(ptr, bp, cnt, char); /* this | eat */ |
c07a80fd | 3351 | bp += cnt; /* screams | dust */ |
3352 | ptr += cnt; /* louder | sed :-) */ | |
a5f75d66 | 3353 | cnt = 0; |
93a17b20 | 3354 | } |
79072805 LW |
3355 | } |
3356 | ||
748a9306 | 3357 | if (shortbuffered) { /* oh well, must extend */ |
79072805 LW |
3358 | cnt = shortbuffered; |
3359 | shortbuffered = 0; | |
c07a80fd | 3360 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3361 | SvCUR_set(sv, bpx); |
3362 | SvGROW(sv, SvLEN(sv) + append + cnt + 2); | |
c07a80fd | 3363 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
79072805 LW |
3364 | continue; |
3365 | } | |
3366 | ||
16660edb | 3367 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3368 | "Screamer: going to getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3369 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */ |
16660edb | 3370 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3371 | "Screamer: pre: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3372 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3373 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
16660edb | 3374 | /* This used to call 'filbuf' in stdio form, but as that behaves like |
774d564b | 3375 | getc when cnt <= 0 we use PerlIO_getc here to avoid introducing |
3376 | another abstraction. */ | |
760ac839 | 3377 | i = PerlIO_getc(fp); /* get more characters */ |
16660edb | 3378 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3379 | "Screamer: post: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3380 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3381 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
760ac839 LW |
3382 | cnt = PerlIO_get_cnt(fp); |
3383 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */ | |
16660edb | 3384 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3385 | "Screamer: after getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
79072805 | 3386 | |
748a9306 LW |
3387 | if (i == EOF) /* all done for ever? */ |
3388 | goto thats_really_all_folks; | |
3389 | ||
c07a80fd | 3390 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3391 | SvCUR_set(sv, bpx); |
3392 | SvGROW(sv, bpx + cnt + 2); | |
c07a80fd | 3393 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
3394 | ||
760ac839 | 3395 | *bp++ = i; /* store character from PerlIO_getc */ |
79072805 | 3396 | |
c07a80fd | 3397 | if (rslen && (STDCHAR)i == rslast) /* all done for now? */ |
79072805 | 3398 | goto thats_all_folks; |
79072805 LW |
3399 | } |
3400 | ||
3401 | thats_all_folks: | |
c07a80fd | 3402 | if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) || |
36477c24 | 3403 | memNE((char*)bp - rslen, rsptr, rslen)) |
760ac839 | 3404 | goto screamer; /* go back to the fray */ |
79072805 LW |
3405 | thats_really_all_folks: |
3406 | if (shortbuffered) | |
3407 | cnt += shortbuffered; | |
16660edb | 3408 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3409 | "Screamer: quitting, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3410 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */ |
16660edb | 3411 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3412 | "Screamer: end: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3413 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3414 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 | 3415 | *bp = '\0'; |
760ac839 | 3416 | SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */ |
16660edb | 3417 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
fb73857a | 3418 | "Screamer: done, len=%ld, string=|%.*s|\n", |
3419 | (long)SvCUR(sv),(int)SvCUR(sv),SvPVX(sv))); | |
760ac839 LW |
3420 | } |
3421 | else | |
79072805 | 3422 | { |
760ac839 | 3423 | /*The big, slow, and stupid way */ |
c07a80fd | 3424 | STDCHAR buf[8192]; |
79072805 | 3425 | |
760ac839 | 3426 | screamer2: |
c07a80fd | 3427 | if (rslen) { |
760ac839 LW |
3428 | register STDCHAR *bpe = buf + sizeof(buf); |
3429 | bp = buf; | |
3430 | while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe) | |
3431 | ; /* keep reading */ | |
3432 | cnt = bp - buf; | |
c07a80fd | 3433 | } |
3434 | else { | |
760ac839 | 3435 | cnt = PerlIO_read(fp,(char*)buf, sizeof(buf)); |
16660edb | 3436 | /* Accomodate broken VAXC compiler, which applies U8 cast to |
3437 | * both args of ?: operator, causing EOF to change into 255 | |
3438 | */ | |
3439 | if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; } | |
c07a80fd | 3440 | } |
79072805 LW |
3441 | |
3442 | if (append) | |
760ac839 | 3443 | sv_catpvn(sv, (char *) buf, cnt); |
79072805 | 3444 | else |
760ac839 | 3445 | sv_setpvn(sv, (char *) buf, cnt); |
c07a80fd | 3446 | |
3447 | if (i != EOF && /* joy */ | |
3448 | (!rslen || | |
3449 | SvCUR(sv) < rslen || | |
36477c24 | 3450 | memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen))) |
79072805 LW |
3451 | { |
3452 | append = -1; | |
63e4d877 CS |
3453 | /* |
3454 | * If we're reading from a TTY and we get a short read, | |
3455 | * indicating that the user hit his EOF character, we need | |
3456 | * to notice it now, because if we try to read from the TTY | |
3457 | * again, the EOF condition will disappear. | |
3458 | * | |
3459 | * The comparison of cnt to sizeof(buf) is an optimization | |
3460 | * that prevents unnecessary calls to feof(). | |
3461 | * | |
3462 | * - jik 9/25/96 | |
3463 | */ | |
3464 | if (!(cnt < sizeof(buf) && PerlIO_eof(fp))) | |
3465 | goto screamer2; | |
79072805 LW |
3466 | } |
3467 | } | |
3468 | ||
3280af22 | 3469 | if (RsPARA(PL_rs)) { /* have to do this both before and after */ |
c07a80fd | 3470 | while (i != EOF) { /* to make sure file boundaries work right */ |
760ac839 | 3471 | i = PerlIO_getc(fp); |
79072805 | 3472 | if (i != '\n') { |
760ac839 | 3473 | PerlIO_ungetc(fp,i); |
79072805 LW |
3474 | break; |
3475 | } | |
3476 | } | |
3477 | } | |
c07a80fd | 3478 | |
a868473f NIS |
3479 | #ifdef WIN32 |
3480 | win32_strip_return(sv); | |
3481 | #endif | |
3482 | ||
c07a80fd | 3483 | return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch; |
79072805 LW |
3484 | } |
3485 | ||
760ac839 | 3486 | |
79072805 | 3487 | void |
8ac85365 | 3488 | sv_inc(register SV *sv) |
79072805 LW |
3489 | { |
3490 | register char *d; | |
463ee0b2 | 3491 | int flags; |
79072805 LW |
3492 | |
3493 | if (!sv) | |
3494 | return; | |
19e3abc0 GB |
3495 | if (SvGMAGICAL(sv)) |
3496 | mg_get(sv); | |
ed6116ce | 3497 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3498 | if (SvREADONLY(sv)) { |
3499 | dTHR; | |
3280af22 | 3500 | if (PL_curcop != &PL_compiling) |
0f15f207 MB |
3501 | croak(no_modify); |
3502 | } | |
a0d0e21e | 3503 | if (SvROK(sv)) { |
b5be31e9 | 3504 | IV i; |
a0d0e21e | 3505 | #ifdef OVERLOAD |
b5be31e9 | 3506 | if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return; |
a0d0e21e | 3507 | #endif /* OVERLOAD */ |
b5be31e9 SM |
3508 | i = (IV)SvRV(sv); |
3509 | sv_unref(sv); | |
3510 | sv_setiv(sv, i); | |
a0d0e21e | 3511 | } |
ed6116ce | 3512 | } |
8990e307 | 3513 | flags = SvFLAGS(sv); |
8990e307 | 3514 | if (flags & SVp_NOK) { |
a0d0e21e | 3515 | (void)SvNOK_only(sv); |
55497cff | 3516 | SvNVX(sv) += 1.0; |
3517 | return; | |
3518 | } | |
3519 | if (flags & SVp_IOK) { | |
3520 | if (SvIVX(sv) == IV_MAX) | |
3521 | sv_setnv(sv, (double)IV_MAX + 1.0); | |
3522 | else { | |
3523 | (void)SvIOK_only(sv); | |
3524 | ++SvIVX(sv); | |
3525 | } | |
79072805 LW |
3526 | return; |
3527 | } | |
8990e307 | 3528 | if (!(flags & SVp_POK) || !*SvPVX(sv)) { |
4633a7c4 LW |
3529 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3530 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3531 | SvNVX(sv) = 1.0; |
a0d0e21e | 3532 | (void)SvNOK_only(sv); |
79072805 LW |
3533 | return; |
3534 | } | |
463ee0b2 | 3535 | d = SvPVX(sv); |
79072805 LW |
3536 | while (isALPHA(*d)) d++; |
3537 | while (isDIGIT(*d)) d++; | |
3538 | if (*d) { | |
36477c24 | 3539 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3540 | sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */ |
79072805 LW |
3541 | return; |
3542 | } | |
3543 | d--; | |
463ee0b2 | 3544 | while (d >= SvPVX(sv)) { |
79072805 LW |
3545 | if (isDIGIT(*d)) { |
3546 | if (++*d <= '9') | |
3547 | return; | |
3548 | *(d--) = '0'; | |
3549 | } | |
3550 | else { | |
9d116dd7 JH |
3551 | #ifdef EBCDIC |
3552 | /* MKS: The original code here died if letters weren't consecutive. | |
3553 | * at least it didn't have to worry about non-C locales. The | |
3554 | * new code assumes that ('z'-'a')==('Z'-'A'), letters are | |
3555 | * arranged in order (although not consecutively) and that only | |
3556 | * [A-Za-z] are accepted by isALPHA in the C locale. | |
3557 | */ | |
3558 | if (*d != 'z' && *d != 'Z') { | |
3559 | do { ++*d; } while (!isALPHA(*d)); | |
3560 | return; | |
3561 | } | |
3562 | *(d--) -= 'z' - 'a'; | |
3563 | #else | |
79072805 LW |
3564 | ++*d; |
3565 | if (isALPHA(*d)) | |
3566 | return; | |
3567 | *(d--) -= 'z' - 'a' + 1; | |
9d116dd7 | 3568 | #endif |
79072805 LW |
3569 | } |
3570 | } | |
3571 | /* oh,oh, the number grew */ | |
3572 | SvGROW(sv, SvCUR(sv) + 2); | |
3573 | SvCUR(sv)++; | |
463ee0b2 | 3574 | for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--) |
79072805 LW |
3575 | *d = d[-1]; |
3576 | if (isDIGIT(d[1])) | |
3577 | *d = '1'; | |
3578 | else | |
3579 | *d = d[1]; | |
3580 | } | |
3581 | ||
3582 | void | |
8ac85365 | 3583 | sv_dec(register SV *sv) |
79072805 | 3584 | { |
463ee0b2 LW |
3585 | int flags; |
3586 | ||
79072805 LW |
3587 | if (!sv) |
3588 | return; | |
19e3abc0 GB |
3589 | if (SvGMAGICAL(sv)) |
3590 | mg_get(sv); | |
ed6116ce | 3591 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3592 | if (SvREADONLY(sv)) { |
3593 | dTHR; | |
3280af22 | 3594 | if (PL_curcop != &PL_compiling) |
0f15f207 MB |
3595 | croak(no_modify); |
3596 | } | |
a0d0e21e | 3597 | if (SvROK(sv)) { |
b5be31e9 | 3598 | IV i; |
a0d0e21e | 3599 | #ifdef OVERLOAD |
b5be31e9 | 3600 | if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return; |
a0d0e21e | 3601 | #endif /* OVERLOAD */ |
b5be31e9 SM |
3602 | i = (IV)SvRV(sv); |
3603 | sv_unref(sv); | |
3604 | sv_setiv(sv, i); | |
a0d0e21e | 3605 | } |
ed6116ce | 3606 | } |
8990e307 | 3607 | flags = SvFLAGS(sv); |
8990e307 | 3608 | if (flags & SVp_NOK) { |
463ee0b2 | 3609 | SvNVX(sv) -= 1.0; |
a0d0e21e | 3610 | (void)SvNOK_only(sv); |
79072805 LW |
3611 | return; |
3612 | } | |
55497cff | 3613 | if (flags & SVp_IOK) { |
3614 | if (SvIVX(sv) == IV_MIN) | |
3615 | sv_setnv(sv, (double)IV_MIN - 1.0); | |
3616 | else { | |
3617 | (void)SvIOK_only(sv); | |
3618 | --SvIVX(sv); | |
3619 | } | |
3620 | return; | |
3621 | } | |
8990e307 | 3622 | if (!(flags & SVp_POK)) { |
4633a7c4 LW |
3623 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3624 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3625 | SvNVX(sv) = -1.0; |
a0d0e21e | 3626 | (void)SvNOK_only(sv); |
79072805 LW |
3627 | return; |
3628 | } | |
36477c24 | 3629 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3630 | sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */ |
79072805 LW |
3631 | } |
3632 | ||
3633 | /* Make a string that will exist for the duration of the expression | |
3634 | * evaluation. Actually, it may have to last longer than that, but | |
3635 | * hopefully we won't free it until it has been assigned to a | |
3636 | * permanent location. */ | |
3637 | ||
76e3520e | 3638 | STATIC void |
8ac85365 | 3639 | sv_mortalgrow(void) |
8990e307 | 3640 | { |
11343788 | 3641 | dTHR; |
3280af22 NIS |
3642 | PL_tmps_max += (PL_tmps_max < 512) ? 128 : 512; |
3643 | Renew(PL_tmps_stack, PL_tmps_max, SV*); | |
8990e307 LW |
3644 | } |
3645 | ||
79072805 | 3646 | SV * |
8ac85365 | 3647 | sv_mortalcopy(SV *oldstr) |
79072805 | 3648 | { |
11343788 | 3649 | dTHR; |
463ee0b2 | 3650 | register SV *sv; |
79072805 | 3651 | |
4561caa4 | 3652 | new_SV(sv); |
8990e307 LW |
3653 | SvANY(sv) = 0; |
3654 | SvREFCNT(sv) = 1; | |
3655 | SvFLAGS(sv) = 0; | |
79072805 | 3656 | sv_setsv(sv,oldstr); |
3280af22 | 3657 | if (++PL_tmps_ix >= PL_tmps_max) |
8990e307 | 3658 | sv_mortalgrow(); |
3280af22 | 3659 | PL_tmps_stack[PL_tmps_ix] = sv; |
8990e307 LW |
3660 | SvTEMP_on(sv); |
3661 | return sv; | |
3662 | } | |
3663 | ||
3664 | SV * | |
8ac85365 | 3665 | sv_newmortal(void) |
8990e307 | 3666 | { |
11343788 | 3667 | dTHR; |
8990e307 LW |
3668 | register SV *sv; |
3669 | ||
4561caa4 | 3670 | new_SV(sv); |
8990e307 LW |
3671 | SvANY(sv) = 0; |
3672 | SvREFCNT(sv) = 1; | |
3673 | SvFLAGS(sv) = SVs_TEMP; | |
3280af22 | 3674 | if (++PL_tmps_ix >= PL_tmps_max) |
8990e307 | 3675 | sv_mortalgrow(); |
3280af22 | 3676 | PL_tmps_stack[PL_tmps_ix] = sv; |
79072805 LW |
3677 | return sv; |
3678 | } | |
3679 | ||
3680 | /* same thing without the copying */ | |
3681 | ||
3682 | SV * | |
8ac85365 | 3683 | sv_2mortal(register SV *sv) |
79072805 | 3684 | { |
11343788 | 3685 | dTHR; |
79072805 LW |
3686 | if (!sv) |
3687 | return sv; | |
d689ffdd | 3688 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) |
11162842 | 3689 | return sv; |
3280af22 | 3690 | if (++PL_tmps_ix >= PL_tmps_max) |
8990e307 | 3691 | sv_mortalgrow(); |
3280af22 | 3692 | PL_tmps_stack[PL_tmps_ix] = sv; |
8990e307 | 3693 | SvTEMP_on(sv); |
79072805 LW |
3694 | return sv; |
3695 | } | |
3696 | ||
3697 | SV * | |
8ac85365 | 3698 | newSVpv(char *s, STRLEN len) |
79072805 | 3699 | { |
463ee0b2 | 3700 | register SV *sv; |
79072805 | 3701 | |
4561caa4 | 3702 | new_SV(sv); |
8990e307 LW |
3703 | SvANY(sv) = 0; |
3704 | SvREFCNT(sv) = 1; | |
3705 | SvFLAGS(sv) = 0; | |
79072805 LW |
3706 | if (!len) |
3707 | len = strlen(s); | |
3708 | sv_setpvn(sv,s,len); | |
3709 | return sv; | |
3710 | } | |
3711 | ||
9da1e3b5 | 3712 | SV * |
9d8a25dc | 3713 | newSVpvn(char *s, STRLEN len) |
9da1e3b5 MUN |
3714 | { |
3715 | register SV *sv; | |
3716 | ||
3717 | new_SV(sv); | |
3718 | SvANY(sv) = 0; | |
3719 | SvREFCNT(sv) = 1; | |
3720 | SvFLAGS(sv) = 0; | |
3721 | sv_setpvn(sv,s,len); | |
3722 | return sv; | |
3723 | } | |
3724 | ||
46fc3d4c | 3725 | SV * |
3726 | newSVpvf(const char* pat, ...) | |
46fc3d4c | 3727 | { |
3728 | register SV *sv; | |
3729 | va_list args; | |
3730 | ||
3731 | new_SV(sv); | |
3732 | SvANY(sv) = 0; | |
3733 | SvREFCNT(sv) = 1; | |
3734 | SvFLAGS(sv) = 0; | |
46fc3d4c | 3735 | va_start(args, pat); |
fc36a67e | 3736 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 3737 | va_end(args); |
3738 | return sv; | |
3739 | } | |
3740 | ||
3741 | ||
79072805 | 3742 | SV * |
8ac85365 | 3743 | newSVnv(double n) |
79072805 | 3744 | { |
463ee0b2 | 3745 | register SV *sv; |
79072805 | 3746 | |
4561caa4 | 3747 | new_SV(sv); |
8990e307 LW |
3748 | SvANY(sv) = 0; |
3749 | SvREFCNT(sv) = 1; | |
3750 | SvFLAGS(sv) = 0; | |
79072805 LW |
3751 | sv_setnv(sv,n); |
3752 | return sv; | |
3753 | } | |
3754 | ||
3755 | SV * | |
8ac85365 | 3756 | newSViv(IV i) |
79072805 | 3757 | { |
463ee0b2 | 3758 | register SV *sv; |
79072805 | 3759 | |
4561caa4 | 3760 | new_SV(sv); |
8990e307 LW |
3761 | SvANY(sv) = 0; |
3762 | SvREFCNT(sv) = 1; | |
3763 | SvFLAGS(sv) = 0; | |
79072805 LW |
3764 | sv_setiv(sv,i); |
3765 | return sv; | |
3766 | } | |
3767 | ||
2304df62 | 3768 | SV * |
d689ffdd | 3769 | newRV_noinc(SV *tmpRef) |
2304df62 | 3770 | { |
11343788 | 3771 | dTHR; |
2304df62 AD |
3772 | register SV *sv; |
3773 | ||
4561caa4 | 3774 | new_SV(sv); |
2304df62 AD |
3775 | SvANY(sv) = 0; |
3776 | SvREFCNT(sv) = 1; | |
3777 | SvFLAGS(sv) = 0; | |
3778 | sv_upgrade(sv, SVt_RV); | |
76e3520e | 3779 | SvTEMP_off(tmpRef); |
d689ffdd | 3780 | SvRV(sv) = tmpRef; |
2304df62 | 3781 | SvROK_on(sv); |
2304df62 AD |
3782 | return sv; |
3783 | } | |
3784 | ||
5f05dabc | 3785 | SV * |
d689ffdd | 3786 | newRV(SV *tmpRef) |
5f05dabc | 3787 | { |
5f6447b6 | 3788 | return newRV_noinc(SvREFCNT_inc(tmpRef)); |
5f05dabc | 3789 | } |
5f05dabc | 3790 | |
79072805 LW |
3791 | /* make an exact duplicate of old */ |
3792 | ||
3793 | SV * | |
8ac85365 | 3794 | newSVsv(register SV *old) |
79072805 | 3795 | { |
463ee0b2 | 3796 | register SV *sv; |
79072805 LW |
3797 | |
3798 | if (!old) | |
3799 | return Nullsv; | |
8990e307 | 3800 | if (SvTYPE(old) == SVTYPEMASK) { |
79072805 LW |
3801 | warn("semi-panic: attempt to dup freed string"); |
3802 | return Nullsv; | |
3803 | } | |
4561caa4 | 3804 | new_SV(sv); |
8990e307 LW |
3805 | SvANY(sv) = 0; |
3806 | SvREFCNT(sv) = 1; | |
3807 | SvFLAGS(sv) = 0; | |
ff68c719 | 3808 | if (SvTEMP(old)) { |
3809 | SvTEMP_off(old); | |
463ee0b2 | 3810 | sv_setsv(sv,old); |
ff68c719 | 3811 | SvTEMP_on(old); |
79072805 LW |
3812 | } |
3813 | else | |
463ee0b2 LW |
3814 | sv_setsv(sv,old); |
3815 | return sv; | |
79072805 LW |
3816 | } |
3817 | ||
3818 | void | |
8ac85365 | 3819 | sv_reset(register char *s, HV *stash) |
79072805 LW |
3820 | { |
3821 | register HE *entry; | |
3822 | register GV *gv; | |
3823 | register SV *sv; | |
3824 | register I32 i; | |
3825 | register PMOP *pm; | |
3826 | register I32 max; | |
463ee0b2 | 3827 | char todo[256]; |
79072805 | 3828 | |
49d8d3a1 MB |
3829 | if (!stash) |
3830 | return; | |
3831 | ||
79072805 LW |
3832 | if (!*s) { /* reset ?? searches */ |
3833 | for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) { | |
48c036b1 | 3834 | pm->op_pmdynflags &= ~PMdf_USED; |
79072805 LW |
3835 | } |
3836 | return; | |
3837 | } | |
3838 | ||
3839 | /* reset variables */ | |
3840 | ||
3841 | if (!HvARRAY(stash)) | |
3842 | return; | |
463ee0b2 LW |
3843 | |
3844 | Zero(todo, 256, char); | |
79072805 LW |
3845 | while (*s) { |
3846 | i = *s; | |
3847 | if (s[1] == '-') { | |
3848 | s += 2; | |
3849 | } | |
3850 | max = *s++; | |
3851 | for ( ; i <= max; i++) { | |
463ee0b2 LW |
3852 | todo[i] = 1; |
3853 | } | |
a0d0e21e | 3854 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
79072805 | 3855 | for (entry = HvARRAY(stash)[i]; |
9dbf1e84 GB |
3856 | entry; |
3857 | entry = HeNEXT(entry)) | |
3858 | { | |
1edc1566 | 3859 | if (!todo[(U8)*HeKEY(entry)]) |
463ee0b2 | 3860 | continue; |
1edc1566 | 3861 | gv = (GV*)HeVAL(entry); |
79072805 | 3862 | sv = GvSV(gv); |
9dbf1e84 GB |
3863 | if (SvTHINKFIRST(sv)) { |
3864 | if (!SvREADONLY(sv) && SvROK(sv)) | |
3865 | sv_unref(sv); | |
3866 | continue; | |
3867 | } | |
a0d0e21e | 3868 | (void)SvOK_off(sv); |
79072805 LW |
3869 | if (SvTYPE(sv) >= SVt_PV) { |
3870 | SvCUR_set(sv, 0); | |
463ee0b2 LW |
3871 | if (SvPVX(sv) != Nullch) |
3872 | *SvPVX(sv) = '\0'; | |
44a8e56a | 3873 | SvTAINT(sv); |
79072805 LW |
3874 | } |
3875 | if (GvAV(gv)) { | |
3876 | av_clear(GvAV(gv)); | |
3877 | } | |
44a8e56a | 3878 | if (GvHV(gv) && !HvNAME(GvHV(gv))) { |
463ee0b2 | 3879 | hv_clear(GvHV(gv)); |
a0d0e21e | 3880 | #ifndef VMS /* VMS has no environ array */ |
3280af22 | 3881 | if (gv == PL_envgv) |
79072805 | 3882 | environ[0] = Nullch; |
a0d0e21e | 3883 | #endif |
79072805 LW |
3884 | } |
3885 | } | |
3886 | } | |
3887 | } | |
3888 | } | |
3889 | ||
46fc3d4c | 3890 | IO* |
8ac85365 | 3891 | sv_2io(SV *sv) |
46fc3d4c | 3892 | { |
3893 | IO* io; | |
3894 | GV* gv; | |
36596149 | 3895 | STRLEN n_a; |
46fc3d4c | 3896 | |
3897 | switch (SvTYPE(sv)) { | |
3898 | case SVt_PVIO: | |
3899 | io = (IO*)sv; | |
3900 | break; | |
3901 | case SVt_PVGV: | |
3902 | gv = (GV*)sv; | |
3903 | io = GvIO(gv); | |
3904 | if (!io) | |
3905 | croak("Bad filehandle: %s", GvNAME(gv)); | |
3906 | break; | |
3907 | default: | |
3908 | if (!SvOK(sv)) | |
3909 | croak(no_usym, "filehandle"); | |
3910 | if (SvROK(sv)) | |
3911 | return sv_2io(SvRV(sv)); | |
36596149 | 3912 | gv = gv_fetchpv(SvPV(sv,n_a), FALSE, SVt_PVIO); |
46fc3d4c | 3913 | if (gv) |
3914 | io = GvIO(gv); | |
3915 | else | |
3916 | io = 0; | |
3917 | if (!io) | |
36596149 | 3918 | croak("Bad filehandle: %s", SvPV(sv,n_a)); |
46fc3d4c | 3919 | break; |
3920 | } | |
3921 | return io; | |
3922 | } | |
3923 | ||
79072805 | 3924 | CV * |
8ac85365 | 3925 | sv_2cv(SV *sv, HV **st, GV **gvp, I32 lref) |
79072805 LW |
3926 | { |
3927 | GV *gv; | |
3928 | CV *cv; | |
36596149 | 3929 | STRLEN n_a; |
79072805 LW |
3930 | |
3931 | if (!sv) | |
93a17b20 | 3932 | return *gvp = Nullgv, Nullcv; |
79072805 | 3933 | switch (SvTYPE(sv)) { |
79072805 LW |
3934 | case SVt_PVCV: |
3935 | *st = CvSTASH(sv); | |
3936 | *gvp = Nullgv; | |
3937 | return (CV*)sv; | |
3938 | case SVt_PVHV: | |
3939 | case SVt_PVAV: | |
3940 | *gvp = Nullgv; | |
3941 | return Nullcv; | |
8990e307 LW |
3942 | case SVt_PVGV: |
3943 | gv = (GV*)sv; | |
a0d0e21e | 3944 | *gvp = gv; |
8990e307 LW |
3945 | *st = GvESTASH(gv); |
3946 | goto fix_gv; | |
3947 | ||
79072805 | 3948 | default: |
a0d0e21e LW |
3949 | if (SvGMAGICAL(sv)) |
3950 | mg_get(sv); | |
3951 | if (SvROK(sv)) { | |
7a4920e6 GB |
3952 | sv = SvRV(sv); |
3953 | if (SvTYPE(sv) == SVt_PVCV) { | |
3954 | cv = (CV*)sv; | |
3955 | *gvp = Nullgv; | |
3956 | *st = CvSTASH(cv); | |
3957 | return cv; | |
3958 | } | |
3959 | else if(isGV(sv)) | |
3960 | gv = (GV*)sv; | |
3961 | else | |
a0d0e21e | 3962 | croak("Not a subroutine reference"); |
a0d0e21e | 3963 | } |
7a4920e6 | 3964 | else if (isGV(sv)) |
79072805 LW |
3965 | gv = (GV*)sv; |
3966 | else | |
36596149 | 3967 | gv = gv_fetchpv(SvPV(sv, n_a), lref, SVt_PVCV); |
79072805 LW |
3968 | *gvp = gv; |
3969 | if (!gv) | |
3970 | return Nullcv; | |
3971 | *st = GvESTASH(gv); | |
8990e307 | 3972 | fix_gv: |
8ebc5c01 | 3973 | if (lref && !GvCVu(gv)) { |
4633a7c4 | 3974 | SV *tmpsv; |
748a9306 | 3975 | ENTER; |
4633a7c4 | 3976 | tmpsv = NEWSV(704,0); |
16660edb | 3977 | gv_efullname3(tmpsv, gv, Nullch); |
774d564b | 3978 | newSUB(start_subparse(FALSE, 0), |
4633a7c4 LW |
3979 | newSVOP(OP_CONST, 0, tmpsv), |
3980 | Nullop, | |
8990e307 | 3981 | Nullop); |
748a9306 | 3982 | LEAVE; |
8ebc5c01 | 3983 | if (!GvCVu(gv)) |
36596149 | 3984 | croak("Unable to create sub named \"%s\"", SvPV(sv,n_a)); |
8990e307 | 3985 | } |
8ebc5c01 | 3986 | return GvCVu(gv); |
79072805 LW |
3987 | } |
3988 | } | |
3989 | ||
79072805 | 3990 | I32 |
4e35701f | 3991 | sv_true(register SV *sv) |
79072805 | 3992 | { |
4e35701f | 3993 | dTHR; |
8990e307 LW |
3994 | if (!sv) |
3995 | return 0; | |
79072805 | 3996 | if (SvPOK(sv)) { |
4e35701f NIS |
3997 | register XPV* tXpv; |
3998 | if ((tXpv = (XPV*)SvANY(sv)) && | |
3999 | (*tXpv->xpv_pv > '0' || | |
4000 | tXpv->xpv_cur > 1 || | |
4001 | (tXpv->xpv_cur && *tXpv->xpv_pv != '0'))) | |
79072805 LW |
4002 | return 1; |
4003 | else | |
4004 | return 0; | |
4005 | } | |
4006 | else { | |
4007 | if (SvIOK(sv)) | |
463ee0b2 | 4008 | return SvIVX(sv) != 0; |
79072805 LW |
4009 | else { |
4010 | if (SvNOK(sv)) | |
463ee0b2 | 4011 | return SvNVX(sv) != 0.0; |
79072805 | 4012 | else |
463ee0b2 | 4013 | return sv_2bool(sv); |
79072805 LW |
4014 | } |
4015 | } | |
4016 | } | |
79072805 | 4017 | |
ff68c719 | 4018 | IV |
4e35701f | 4019 | sv_iv(register SV *sv) |
85e6fe83 | 4020 | { |
ff68c719 | 4021 | if (SvIOK(sv)) |
4022 | return SvIVX(sv); | |
4023 | return sv_2iv(sv); | |
85e6fe83 | 4024 | } |
85e6fe83 | 4025 | |
ff68c719 | 4026 | UV |
4e35701f | 4027 | sv_uv(register SV *sv) |
ff68c719 | 4028 | { |
4029 | if (SvIOK(sv)) | |
4030 | return SvUVX(sv); | |
4031 | return sv_2uv(sv); | |
4032 | } | |
85e6fe83 | 4033 | |
ff68c719 | 4034 | double |
4e35701f | 4035 | sv_nv(register SV *sv) |
79072805 | 4036 | { |
ff68c719 | 4037 | if (SvNOK(sv)) |
4038 | return SvNVX(sv); | |
4039 | return sv_2nv(sv); | |
79072805 | 4040 | } |
79072805 | 4041 | |
79072805 | 4042 | char * |
8ac85365 | 4043 | sv_pvn(SV *sv, STRLEN *lp) |
79072805 | 4044 | { |
85e6fe83 LW |
4045 | if (SvPOK(sv)) { |
4046 | *lp = SvCUR(sv); | |
a0d0e21e | 4047 | return SvPVX(sv); |
85e6fe83 | 4048 | } |
463ee0b2 | 4049 | return sv_2pv(sv, lp); |
79072805 | 4050 | } |
79072805 | 4051 | |
a0d0e21e | 4052 | char * |
8ac85365 | 4053 | sv_pvn_force(SV *sv, STRLEN *lp) |
a0d0e21e LW |
4054 | { |
4055 | char *s; | |
4056 | ||
0f15f207 MB |
4057 | if (SvREADONLY(sv)) { |
4058 | dTHR; | |
3280af22 | 4059 | if (PL_curcop != &PL_compiling) |
0f15f207 MB |
4060 | croak(no_modify); |
4061 | } | |
a0d0e21e LW |
4062 | |
4063 | if (SvPOK(sv)) { | |
4064 | *lp = SvCUR(sv); | |
4065 | } | |
4066 | else { | |
748a9306 | 4067 | if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) { |
4633a7c4 | 4068 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) { |
a0d0e21e | 4069 | sv_unglob(sv); |
4633a7c4 LW |
4070 | s = SvPVX(sv); |
4071 | *lp = SvCUR(sv); | |
4072 | } | |
11343788 MB |
4073 | else { |
4074 | dTHR; | |
a0d0e21e | 4075 | croak("Can't coerce %s to string in %s", sv_reftype(sv,0), |
533c011a | 4076 | op_name[PL_op->op_type]); |
11343788 | 4077 | } |
a0d0e21e | 4078 | } |
4633a7c4 LW |
4079 | else |
4080 | s = sv_2pv(sv, lp); | |
a0d0e21e LW |
4081 | if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */ |
4082 | STRLEN len = *lp; | |
4083 | ||
4084 | if (SvROK(sv)) | |
4085 | sv_unref(sv); | |
4086 | (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */ | |
4087 | SvGROW(sv, len + 1); | |
4088 | Move(s,SvPVX(sv),len,char); | |
4089 | SvCUR_set(sv, len); | |
4090 | *SvEND(sv) = '\0'; | |
4091 | } | |
4092 | if (!SvPOK(sv)) { | |
4093 | SvPOK_on(sv); /* validate pointer */ | |
4094 | SvTAINT(sv); | |
760ac839 | 4095 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n", |
a0d0e21e LW |
4096 | (unsigned long)sv,SvPVX(sv))); |
4097 | } | |
4098 | } | |
4099 | return SvPVX(sv); | |
4100 | } | |
4101 | ||
4102 | char * | |
8ac85365 | 4103 | sv_reftype(SV *sv, int ob) |
a0d0e21e LW |
4104 | { |
4105 | if (ob && SvOBJECT(sv)) | |
4106 | return HvNAME(SvSTASH(sv)); | |
4107 | else { | |
4108 | switch (SvTYPE(sv)) { | |
4109 | case SVt_NULL: | |
4110 | case SVt_IV: | |
4111 | case SVt_NV: | |
4112 | case SVt_RV: | |
4113 | case SVt_PV: | |
4114 | case SVt_PVIV: | |
4115 | case SVt_PVNV: | |
4116 | case SVt_PVMG: | |
4117 | case SVt_PVBM: | |
4118 | if (SvROK(sv)) | |
4119 | return "REF"; | |
4120 | else | |
4121 | return "SCALAR"; | |
4122 | case SVt_PVLV: return "LVALUE"; | |
4123 | case SVt_PVAV: return "ARRAY"; | |
4124 | case SVt_PVHV: return "HASH"; | |
4125 | case SVt_PVCV: return "CODE"; | |
4126 | case SVt_PVGV: return "GLOB"; | |
1d2dff63 | 4127 | case SVt_PVFM: return "FORMAT"; |
a0d0e21e LW |
4128 | default: return "UNKNOWN"; |
4129 | } | |
4130 | } | |
4131 | } | |
4132 | ||
463ee0b2 | 4133 | int |
8ac85365 | 4134 | sv_isobject(SV *sv) |
85e6fe83 | 4135 | { |
68dc0745 | 4136 | if (!sv) |
4137 | return 0; | |
4138 | if (SvGMAGICAL(sv)) | |
4139 | mg_get(sv); | |
85e6fe83 LW |
4140 | if (!SvROK(sv)) |
4141 | return 0; | |
4142 | sv = (SV*)SvRV(sv); | |
4143 | if (!SvOBJECT(sv)) | |
4144 | return 0; | |
4145 | return 1; | |
4146 | } | |
4147 | ||
4148 | int | |
8ac85365 | 4149 | sv_isa(SV *sv, char *name) |
463ee0b2 | 4150 | { |
68dc0745 | 4151 | if (!sv) |
4152 | return 0; | |
4153 | if (SvGMAGICAL(sv)) | |
4154 | mg_get(sv); | |
ed6116ce | 4155 | if (!SvROK(sv)) |
463ee0b2 | 4156 | return 0; |
ed6116ce LW |
4157 | sv = (SV*)SvRV(sv); |
4158 | if (!SvOBJECT(sv)) | |
463ee0b2 LW |
4159 | return 0; |
4160 | ||
4161 | return strEQ(HvNAME(SvSTASH(sv)), name); | |
4162 | } | |
4163 | ||
4164 | SV* | |
8ac85365 | 4165 | newSVrv(SV *rv, char *classname) |
463ee0b2 | 4166 | { |
11343788 | 4167 | dTHR; |
463ee0b2 LW |
4168 | SV *sv; |
4169 | ||
4561caa4 | 4170 | new_SV(sv); |
8990e307 | 4171 | SvANY(sv) = 0; |
a0d0e21e | 4172 | SvREFCNT(sv) = 0; |
8990e307 | 4173 | SvFLAGS(sv) = 0; |
51cf62d8 | 4174 | |
2213622d | 4175 | SV_CHECK_THINKFIRST(rv); |
51cf62d8 OT |
4176 | #ifdef OVERLOAD |
4177 | SvAMAGIC_off(rv); | |
4178 | #endif /* OVERLOAD */ | |
4179 | ||
4180 | if (SvTYPE(rv) < SVt_RV) | |
4181 | sv_upgrade(rv, SVt_RV); | |
4182 | ||
4183 | (void)SvOK_off(rv); | |
8990e307 | 4184 | SvRV(rv) = SvREFCNT_inc(sv); |
ed6116ce | 4185 | SvROK_on(rv); |
463ee0b2 | 4186 | |
a0d0e21e LW |
4187 | if (classname) { |
4188 | HV* stash = gv_stashpv(classname, TRUE); | |
4189 | (void)sv_bless(rv, stash); | |
4190 | } | |
4191 | return sv; | |
4192 | } | |
4193 | ||
4194 | SV* | |
8ac85365 | 4195 | sv_setref_pv(SV *rv, char *classname, void *pv) |
a0d0e21e | 4196 | { |
189b2af5 | 4197 | if (!pv) { |
3280af22 | 4198 | sv_setsv(rv, &PL_sv_undef); |
189b2af5 GS |
4199 | SvSETMAGIC(rv); |
4200 | } | |
a0d0e21e LW |
4201 | else |
4202 | sv_setiv(newSVrv(rv,classname), (IV)pv); | |
4203 | return rv; | |
4204 | } | |
4205 | ||
4206 | SV* | |
8ac85365 | 4207 | sv_setref_iv(SV *rv, char *classname, IV iv) |
a0d0e21e LW |
4208 | { |
4209 | sv_setiv(newSVrv(rv,classname), iv); | |
4210 | return rv; | |
4211 | } | |
4212 | ||
4213 | SV* | |
8ac85365 | 4214 | sv_setref_nv(SV *rv, char *classname, double nv) |
a0d0e21e LW |
4215 | { |
4216 | sv_setnv(newSVrv(rv,classname), nv); | |
4217 | return rv; | |
4218 | } | |
463ee0b2 | 4219 | |
a0d0e21e | 4220 | SV* |
8ac85365 | 4221 | sv_setref_pvn(SV *rv, char *classname, char *pv, I32 n) |
a0d0e21e LW |
4222 | { |
4223 | sv_setpvn(newSVrv(rv,classname), pv, n); | |
463ee0b2 LW |
4224 | return rv; |
4225 | } | |
4226 | ||
a0d0e21e | 4227 | SV* |
8ac85365 | 4228 | sv_bless(SV *sv, HV *stash) |
a0d0e21e | 4229 | { |
11343788 | 4230 | dTHR; |
76e3520e | 4231 | SV *tmpRef; |
a0d0e21e LW |
4232 | if (!SvROK(sv)) |
4233 | croak("Can't bless non-reference value"); | |
76e3520e GS |
4234 | tmpRef = SvRV(sv); |
4235 | if (SvFLAGS(tmpRef) & (SVs_OBJECT|SVf_READONLY)) { | |
4236 | if (SvREADONLY(tmpRef)) | |
a0d0e21e | 4237 | croak(no_modify); |
76e3520e GS |
4238 | if (SvOBJECT(tmpRef)) { |
4239 | if (SvTYPE(tmpRef) != SVt_PVIO) | |
3280af22 | 4240 | --PL_sv_objcount; |
76e3520e | 4241 | SvREFCNT_dec(SvSTASH(tmpRef)); |
2e3febc6 | 4242 | } |
a0d0e21e | 4243 | } |
76e3520e GS |
4244 | SvOBJECT_on(tmpRef); |
4245 | if (SvTYPE(tmpRef) != SVt_PVIO) | |
3280af22 | 4246 | ++PL_sv_objcount; |
76e3520e GS |
4247 | (void)SvUPGRADE(tmpRef, SVt_PVMG); |
4248 | SvSTASH(tmpRef) = (HV*)SvREFCNT_inc(stash); | |
a0d0e21e LW |
4249 | |
4250 | #ifdef OVERLOAD | |
2e3febc6 CS |
4251 | if (Gv_AMG(stash)) |
4252 | SvAMAGIC_on(sv); | |
4253 | else | |
4254 | SvAMAGIC_off(sv); | |
a0d0e21e LW |
4255 | #endif /* OVERLOAD */ |
4256 | ||
4257 | return sv; | |
4258 | } | |
4259 | ||
76e3520e | 4260 | STATIC void |
8ac85365 | 4261 | sv_unglob(SV *sv) |
a0d0e21e LW |
4262 | { |
4263 | assert(SvTYPE(sv) == SVt_PVGV); | |
4264 | SvFAKE_off(sv); | |
4265 | if (GvGP(sv)) | |
1edc1566 | 4266 | gp_free((GV*)sv); |
e826b3c7 GS |
4267 | if (GvSTASH(sv)) { |
4268 | SvREFCNT_dec(GvSTASH(sv)); | |
4269 | GvSTASH(sv) = Nullhv; | |
4270 | } | |
a0d0e21e LW |
4271 | sv_unmagic(sv, '*'); |
4272 | Safefree(GvNAME(sv)); | |
a5f75d66 | 4273 | GvMULTI_off(sv); |
a0d0e21e LW |
4274 | SvFLAGS(sv) &= ~SVTYPEMASK; |
4275 | SvFLAGS(sv) |= SVt_PVMG; | |
4276 | } | |
4277 | ||
ed6116ce | 4278 | void |
8ac85365 | 4279 | sv_unref(SV *sv) |
ed6116ce | 4280 | { |
a0d0e21e LW |
4281 | SV* rv = SvRV(sv); |
4282 | ||
ed6116ce LW |
4283 | SvRV(sv) = 0; |
4284 | SvROK_off(sv); | |
4633a7c4 LW |
4285 | if (SvREFCNT(rv) != 1 || SvREADONLY(rv)) |
4286 | SvREFCNT_dec(rv); | |
8e07c86e | 4287 | else |
4633a7c4 | 4288 | sv_2mortal(rv); /* Schedule for freeing later */ |
ed6116ce | 4289 | } |
8990e307 | 4290 | |
bbce6d69 | 4291 | void |
8ac85365 | 4292 | sv_taint(SV *sv) |
bbce6d69 | 4293 | { |
4294 | sv_magic((sv), Nullsv, 't', Nullch, 0); | |
4295 | } | |
4296 | ||
4297 | void | |
8ac85365 | 4298 | sv_untaint(SV *sv) |
bbce6d69 | 4299 | { |
13f57bf8 | 4300 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4301 | MAGIC *mg = mg_find(sv, 't'); |
4302 | if (mg) | |
565764a8 | 4303 | mg->mg_len &= ~1; |
36477c24 | 4304 | } |
bbce6d69 | 4305 | } |
4306 | ||
4307 | bool | |
8ac85365 | 4308 | sv_tainted(SV *sv) |
bbce6d69 | 4309 | { |
13f57bf8 | 4310 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4311 | MAGIC *mg = mg_find(sv, 't'); |
565764a8 | 4312 | if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv)) |
36477c24 | 4313 | return TRUE; |
4314 | } | |
4315 | return FALSE; | |
bbce6d69 | 4316 | } |
4317 | ||
84902520 | 4318 | void |
8ac85365 | 4319 | sv_setpviv(SV *sv, IV iv) |
84902520 TB |
4320 | { |
4321 | STRLEN len; | |
4322 | char buf[TYPE_DIGITS(UV)]; | |
4323 | char *ptr = buf + sizeof(buf); | |
4324 | int sign; | |
4325 | UV uv; | |
4326 | char *p; | |
84902520 TB |
4327 | |
4328 | sv_setpvn(sv, "", 0); | |
4329 | if (iv >= 0) { | |
4330 | uv = iv; | |
4331 | sign = 0; | |
4332 | } else { | |
4333 | uv = -iv; | |
4334 | sign = 1; | |
4335 | } | |
4336 | do { | |
4337 | *--ptr = '0' + (uv % 10); | |
4338 | } while (uv /= 10); | |
4339 | len = (buf + sizeof(buf)) - ptr; | |
4340 | /* taking advantage of SvCUR(sv) == 0 */ | |
4341 | SvGROW(sv, sign + len + 1); | |
4342 | p = SvPVX(sv); | |
4343 | if (sign) | |
4344 | *p++ = '-'; | |
4345 | memcpy(p, ptr, len); | |
4346 | p += len; | |
4347 | *p = '\0'; | |
4348 | SvCUR(sv) = p - SvPVX(sv); | |
4349 | } | |
4350 | ||
ef50df4b GS |
4351 | |
4352 | void | |
4353 | sv_setpviv_mg(SV *sv, IV iv) | |
4354 | { | |
4355 | sv_setpviv(sv,iv); | |
4356 | SvSETMAGIC(sv); | |
4357 | } | |
4358 | ||
46fc3d4c | 4359 | void |
4360 | sv_setpvf(SV *sv, const char* pat, ...) | |
46fc3d4c | 4361 | { |
4362 | va_list args; | |
46fc3d4c | 4363 | va_start(args, pat); |
fc36a67e | 4364 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4365 | va_end(args); |
4366 | } | |
4367 | ||
ef50df4b | 4368 | |
ef50df4b GS |
4369 | void |
4370 | sv_setpvf_mg(SV *sv, const char* pat, ...) | |
ef50df4b GS |
4371 | { |
4372 | va_list args; | |
ef50df4b | 4373 | va_start(args, pat); |
ef50df4b GS |
4374 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
4375 | va_end(args); | |
4376 | SvSETMAGIC(sv); | |
4377 | } | |
4378 | ||
46fc3d4c | 4379 | void |
4380 | sv_catpvf(SV *sv, const char* pat, ...) | |
46fc3d4c | 4381 | { |
4382 | va_list args; | |
46fc3d4c | 4383 | va_start(args, pat); |
fc36a67e | 4384 | sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4385 | va_end(args); |
4386 | } | |
4387 | ||
ef50df4b GS |
4388 | void |
4389 | sv_catpvf_mg(SV *sv, const char* pat, ...) | |
ef50df4b GS |
4390 | { |
4391 | va_list args; | |
ef50df4b | 4392 | va_start(args, pat); |
ef50df4b GS |
4393 | sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
4394 | va_end(args); | |
4395 | SvSETMAGIC(sv); | |
4396 | } | |
4397 | ||
46fc3d4c | 4398 | void |
ad8d18a8 | 4399 | sv_vsetpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale) |
46fc3d4c | 4400 | { |
4401 | sv_setpvn(sv, "", 0); | |
4402 | sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale); | |
4403 | } | |
4404 | ||
4405 | void | |
ad8d18a8 | 4406 | sv_vcatpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale) |
46fc3d4c | 4407 | { |
e858de61 | 4408 | dTHR; |
46fc3d4c | 4409 | char *p; |
4410 | char *q; | |
4411 | char *patend; | |
fc36a67e | 4412 | STRLEN origlen; |
46fc3d4c | 4413 | I32 svix = 0; |
c635e13b | 4414 | static char nullstr[] = "(null)"; |
46fc3d4c | 4415 | |
4416 | /* no matter what, this is a string now */ | |
fc36a67e | 4417 | (void)SvPV_force(sv, origlen); |
46fc3d4c | 4418 | |
fc36a67e | 4419 | /* special-case "", "%s", and "%_" */ |
46fc3d4c | 4420 | if (patlen == 0) |
4421 | return; | |
fc36a67e | 4422 | if (patlen == 2 && pat[0] == '%') { |
4423 | switch (pat[1]) { | |
4424 | case 's': | |
c635e13b | 4425 | if (args) { |
4426 | char *s = va_arg(*args, char*); | |
4427 | sv_catpv(sv, s ? s : nullstr); | |
4428 | } | |
fc36a67e | 4429 | else if (svix < svmax) |
4430 | sv_catsv(sv, *svargs); | |
4431 | return; | |
4432 | case '_': | |
4433 | if (args) { | |
4434 | sv_catsv(sv, va_arg(*args, SV*)); | |
4435 | return; | |
4436 | } | |
4437 | /* See comment on '_' below */ | |
4438 | break; | |
4439 | } | |
46fc3d4c | 4440 | } |
4441 | ||
4442 | patend = (char*)pat + patlen; | |
4443 | for (p = (char*)pat; p < patend; p = q) { | |
4444 | bool alt = FALSE; | |
4445 | bool left = FALSE; | |
4446 | char fill = ' '; | |
4447 | char plus = 0; | |
4448 | char intsize = 0; | |
4449 | STRLEN width = 0; | |
fc36a67e | 4450 | STRLEN zeros = 0; |
46fc3d4c | 4451 | bool has_precis = FALSE; |
4452 | STRLEN precis = 0; | |
4453 | ||
4454 | char esignbuf[4]; | |
4455 | STRLEN esignlen = 0; | |
4456 | ||
4457 | char *eptr = Nullch; | |
fc36a67e | 4458 | STRLEN elen = 0; |
4459 | char ebuf[TYPE_DIGITS(int) * 2 + 16]; /* large enough for "%#.#f" */ | |
46fc3d4c | 4460 | |
4461 | static char *efloatbuf = Nullch; | |
4462 | static STRLEN efloatsize = 0; | |
4463 | ||
4464 | char c; | |
4465 | int i; | |
4466 | unsigned base; | |
4467 | IV iv; | |
4468 | UV uv; | |
4469 | double nv; | |
4470 | STRLEN have; | |
4471 | STRLEN need; | |
4472 | STRLEN gap; | |
4473 | ||
4474 | for (q = p; q < patend && *q != '%'; ++q) ; | |
4475 | if (q > p) { | |
4476 | sv_catpvn(sv, p, q - p); | |
4477 | p = q; | |
4478 | } | |
4479 | if (q++ >= patend) | |
4480 | break; | |
4481 | ||
fc36a67e | 4482 | /* FLAGS */ |
4483 | ||
46fc3d4c | 4484 | while (*q) { |
4485 | switch (*q) { | |
4486 | case ' ': | |
4487 | case '+': | |
4488 | plus = *q++; | |
4489 | continue; | |
4490 | ||
4491 | case '-': | |
4492 | left = TRUE; | |
4493 | q++; | |
4494 | continue; | |
4495 | ||
4496 | case '0': | |
4497 | fill = *q++; | |
4498 | continue; | |
4499 | ||
4500 | case '#': | |
4501 | alt = TRUE; | |
4502 | q++; | |
4503 | continue; | |
4504 | ||
fc36a67e | 4505 | default: |
4506 | break; | |
4507 | } | |
4508 | break; | |
4509 | } | |
46fc3d4c | 4510 | |
fc36a67e | 4511 | /* WIDTH */ |
4512 | ||
4513 | switch (*q) { | |
4514 | case '1': case '2': case '3': | |
4515 | case '4': case '5': case '6': | |
4516 | case '7': case '8': case '9': | |
4517 | width = 0; | |
4518 | while (isDIGIT(*q)) | |
4519 | width = width * 10 + (*q++ - '0'); | |
4520 | break; | |
4521 | ||
4522 | case '*': | |
4523 | if (args) | |
4524 | i = va_arg(*args, int); | |
4525 | else | |
4526 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4527 | left |= (i < 0); | |
4528 | width = (i < 0) ? -i : i; | |
4529 | q++; | |
4530 | break; | |
4531 | } | |
4532 | ||
4533 | /* PRECISION */ | |
46fc3d4c | 4534 | |
fc36a67e | 4535 | if (*q == '.') { |
4536 | q++; | |
4537 | if (*q == '*') { | |
46fc3d4c | 4538 | if (args) |
4539 | i = va_arg(*args, int); | |
4540 | else | |
4541 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
fc36a67e | 4542 | precis = (i < 0) ? 0 : i; |
46fc3d4c | 4543 | q++; |
fc36a67e | 4544 | } |
4545 | else { | |
4546 | precis = 0; | |
4547 | while (isDIGIT(*q)) | |
4548 | precis = precis * 10 + (*q++ - '0'); | |
4549 | } | |
4550 | has_precis = TRUE; | |
4551 | } | |
46fc3d4c | 4552 | |
fc36a67e | 4553 | /* SIZE */ |
46fc3d4c | 4554 | |
fc36a67e | 4555 | switch (*q) { |
4556 | case 'l': | |
4557 | #if 0 /* when quads have better support within Perl */ | |
4558 | if (*(q + 1) == 'l') { | |
4559 | intsize = 'q'; | |
4560 | q += 2; | |
46fc3d4c | 4561 | break; |
4562 | } | |
fc36a67e | 4563 | #endif |
4564 | /* FALL THROUGH */ | |
4565 | case 'h': | |
4566 | case 'V': | |
4567 | intsize = *q++; | |
46fc3d4c | 4568 | break; |
4569 | } | |
4570 | ||
fc36a67e | 4571 | /* CONVERSION */ |
4572 | ||
46fc3d4c | 4573 | switch (c = *q++) { |
4574 | ||
4575 | /* STRINGS */ | |
4576 | ||
4577 | case '%': | |
4578 | eptr = q - 1; | |
4579 | elen = 1; | |
4580 | goto string; | |
4581 | ||
4582 | case 'c': | |
4583 | if (args) | |
4584 | c = va_arg(*args, int); | |
4585 | else | |
4586 | c = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4587 | eptr = &c; | |
4588 | elen = 1; | |
4589 | goto string; | |
4590 | ||
46fc3d4c | 4591 | case 's': |
4592 | if (args) { | |
fc36a67e | 4593 | eptr = va_arg(*args, char*); |
c635e13b | 4594 | if (eptr) |
4595 | elen = strlen(eptr); | |
4596 | else { | |
4597 | eptr = nullstr; | |
4598 | elen = sizeof nullstr - 1; | |
4599 | } | |
46fc3d4c | 4600 | } |
4601 | else if (svix < svmax) | |
4602 | eptr = SvPVx(svargs[svix++], elen); | |
4603 | goto string; | |
4604 | ||
fc36a67e | 4605 | case '_': |
4606 | /* | |
4607 | * The "%_" hack might have to be changed someday, | |
4608 | * if ISO or ANSI decide to use '_' for something. | |
4609 | * So we keep it hidden from users' code. | |
4610 | */ | |
4611 | if (!args) | |
4612 | goto unknown; | |
4613 | eptr = SvPVx(va_arg(*args, SV*), elen); | |
4614 | ||
46fc3d4c | 4615 | string: |
4616 | if (has_precis && elen > precis) | |
4617 | elen = precis; | |
4618 | break; | |
4619 | ||
4620 | /* INTEGERS */ | |
4621 | ||
fc36a67e | 4622 | case 'p': |
4623 | if (args) | |
4624 | uv = (UV)va_arg(*args, void*); | |
4625 | else | |
4626 | uv = (svix < svmax) ? (UV)svargs[svix++] : 0; | |
4627 | base = 16; | |
4628 | goto integer; | |
4629 | ||
46fc3d4c | 4630 | case 'D': |
4631 | intsize = 'l'; | |
4632 | /* FALL THROUGH */ | |
4633 | case 'd': | |
4634 | case 'i': | |
4635 | if (args) { | |
4636 | switch (intsize) { | |
4637 | case 'h': iv = (short)va_arg(*args, int); break; | |
4638 | default: iv = va_arg(*args, int); break; | |
4639 | case 'l': iv = va_arg(*args, long); break; | |
fc36a67e | 4640 | case 'V': iv = va_arg(*args, IV); break; |
46fc3d4c | 4641 | } |
4642 | } | |
4643 | else { | |
4644 | iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4645 | switch (intsize) { | |
4646 | case 'h': iv = (short)iv; break; | |
4647 | default: iv = (int)iv; break; | |
4648 | case 'l': iv = (long)iv; break; | |
fc36a67e | 4649 | case 'V': break; |
46fc3d4c | 4650 | } |
4651 | } | |
4652 | if (iv >= 0) { | |
4653 | uv = iv; | |
4654 | if (plus) | |
4655 | esignbuf[esignlen++] = plus; | |
4656 | } | |
4657 | else { | |
4658 | uv = -iv; | |
4659 | esignbuf[esignlen++] = '-'; | |
4660 | } | |
4661 | base = 10; | |
4662 | goto integer; | |
4663 | ||
fc36a67e | 4664 | case 'U': |
4665 | intsize = 'l'; | |
4666 | /* FALL THROUGH */ | |
4667 | case 'u': | |
4668 | base = 10; | |
4669 | goto uns_integer; | |
4670 | ||
46fc3d4c | 4671 | case 'O': |
4672 | intsize = 'l'; | |
4673 | /* FALL THROUGH */ | |
4674 | case 'o': | |
4675 | base = 8; | |
4676 | goto uns_integer; | |
4677 | ||
4678 | case 'X': | |
46fc3d4c | 4679 | case 'x': |
4680 | base = 16; | |
46fc3d4c | 4681 | |
4682 | uns_integer: | |
4683 | if (args) { | |
4684 | switch (intsize) { | |
4685 | case 'h': uv = (unsigned short)va_arg(*args, unsigned); break; | |
4686 | default: uv = va_arg(*args, unsigned); break; | |
4687 | case 'l': uv = va_arg(*args, unsigned long); break; | |
fc36a67e | 4688 | case 'V': uv = va_arg(*args, UV); break; |
46fc3d4c | 4689 | } |
4690 | } | |
4691 | else { | |
4692 | uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0; | |
4693 | switch (intsize) { | |
4694 | case 'h': uv = (unsigned short)uv; break; | |
4695 | default: uv = (unsigned)uv; break; | |
4696 | case 'l': uv = (unsigned long)uv; break; | |
fc36a67e | 4697 | case 'V': break; |
46fc3d4c | 4698 | } |
4699 | } | |
4700 | ||
4701 | integer: | |
46fc3d4c | 4702 | eptr = ebuf + sizeof ebuf; |
fc36a67e | 4703 | switch (base) { |
4704 | unsigned dig; | |
4705 | case 16: | |
c10ed8b9 HS |
4706 | if (!uv) |
4707 | alt = FALSE; | |
fc36a67e | 4708 | p = (c == 'X') ? "0123456789ABCDEF" : "0123456789abcdef"; |
4709 | do { | |
4710 | dig = uv & 15; | |
4711 | *--eptr = p[dig]; | |
4712 | } while (uv >>= 4); | |
4713 | if (alt) { | |
46fc3d4c | 4714 | esignbuf[esignlen++] = '0'; |
fc36a67e | 4715 | esignbuf[esignlen++] = c; /* 'x' or 'X' */ |
46fc3d4c | 4716 | } |
fc36a67e | 4717 | break; |
4718 | case 8: | |
4719 | do { | |
4720 | dig = uv & 7; | |
4721 | *--eptr = '0' + dig; | |
4722 | } while (uv >>= 3); | |
4723 | if (alt && *eptr != '0') | |
4724 | *--eptr = '0'; | |
4725 | break; | |
4726 | default: /* it had better be ten or less */ | |
4727 | do { | |
4728 | dig = uv % base; | |
4729 | *--eptr = '0' + dig; | |
4730 | } while (uv /= base); | |
4731 | break; | |
46fc3d4c | 4732 | } |
4733 | elen = (ebuf + sizeof ebuf) - eptr; | |
c10ed8b9 HS |
4734 | if (has_precis) { |
4735 | if (precis > elen) | |
4736 | zeros = precis - elen; | |
4737 | else if (precis == 0 && elen == 1 && *eptr == '0') | |
4738 | elen = 0; | |
4739 | } | |
46fc3d4c | 4740 | break; |
4741 | ||
4742 | /* FLOATING POINT */ | |
4743 | ||
fc36a67e | 4744 | case 'F': |
4745 | c = 'f'; /* maybe %F isn't supported here */ | |
4746 | /* FALL THROUGH */ | |
46fc3d4c | 4747 | case 'e': case 'E': |
fc36a67e | 4748 | case 'f': |
46fc3d4c | 4749 | case 'g': case 'G': |
4750 | ||
4751 | /* This is evil, but floating point is even more evil */ | |
4752 | ||
fc36a67e | 4753 | if (args) |
4754 | nv = va_arg(*args, double); | |
4755 | else | |
4756 | nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0; | |
4757 | ||
4758 | need = 0; | |
4759 | if (c != 'e' && c != 'E') { | |
4760 | i = PERL_INT_MIN; | |
4761 | (void)frexp(nv, &i); | |
4762 | if (i == PERL_INT_MIN) | |
c635e13b | 4763 | die("panic: frexp"); |
4764 | if (i > 0) | |
fc36a67e | 4765 | need = BIT_DIGITS(i); |
4766 | } | |
4767 | need += has_precis ? precis : 6; /* known default */ | |
4768 | if (need < width) | |
4769 | need = width; | |
4770 | ||
46fc3d4c | 4771 | need += 20; /* fudge factor */ |
4772 | if (efloatsize < need) { | |
4773 | Safefree(efloatbuf); | |
4774 | efloatsize = need + 20; /* more fudge */ | |
4775 | New(906, efloatbuf, efloatsize, char); | |
4776 | } | |
4777 | ||
4778 | eptr = ebuf + sizeof ebuf; | |
4779 | *--eptr = '\0'; | |
4780 | *--eptr = c; | |
4781 | if (has_precis) { | |
4782 | base = precis; | |
4783 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4784 | *--eptr = '.'; | |
4785 | } | |
4786 | if (width) { | |
4787 | base = width; | |
4788 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4789 | } | |
4790 | if (fill == '0') | |
4791 | *--eptr = fill; | |
84902520 TB |
4792 | if (left) |
4793 | *--eptr = '-'; | |
46fc3d4c | 4794 | if (plus) |
4795 | *--eptr = plus; | |
4796 | if (alt) | |
4797 | *--eptr = '#'; | |
4798 | *--eptr = '%'; | |
4799 | ||
46fc3d4c | 4800 | (void)sprintf(efloatbuf, eptr, nv); |
4801 | ||
4802 | eptr = efloatbuf; | |
4803 | elen = strlen(efloatbuf); | |
4804 | ||
4805 | #ifdef LC_NUMERIC | |
4806 | /* | |
4807 | * User-defined locales may include arbitrary characters. | |
4808 | * And, unfortunately, some system may alloc the "C" locale | |
4809 | * to be overridden by a malicious user. | |
4810 | */ | |
4811 | if (used_locale) | |
4812 | *used_locale = TRUE; | |
4813 | #endif /* LC_NUMERIC */ | |
4814 | ||
4815 | break; | |
4816 | ||
fc36a67e | 4817 | /* SPECIAL */ |
4818 | ||
4819 | case 'n': | |
4820 | i = SvCUR(sv) - origlen; | |
4821 | if (args) { | |
c635e13b | 4822 | switch (intsize) { |
4823 | case 'h': *(va_arg(*args, short*)) = i; break; | |
4824 | default: *(va_arg(*args, int*)) = i; break; | |
4825 | case 'l': *(va_arg(*args, long*)) = i; break; | |
4826 | case 'V': *(va_arg(*args, IV*)) = i; break; | |
4827 | } | |
fc36a67e | 4828 | } |
4829 | else if (svix < svmax) | |
4830 | sv_setuv(svargs[svix++], (UV)i); | |
4831 | continue; /* not "break" */ | |
4832 | ||
4833 | /* UNKNOWN */ | |
4834 | ||
46fc3d4c | 4835 | default: |
fc36a67e | 4836 | unknown: |
3280af22 | 4837 | if (!args && PL_dowarn && |
533c011a | 4838 | (PL_op->op_type == OP_PRTF || PL_op->op_type == OP_SPRINTF)) { |
c635e13b | 4839 | SV *msg = sv_newmortal(); |
4840 | sv_setpvf(msg, "Invalid conversion in %s: ", | |
533c011a | 4841 | (PL_op->op_type == OP_PRTF) ? "printf" : "sprintf"); |
c635e13b | 4842 | if (c) |
4843 | sv_catpvf(msg, isPRINT(c) ? "\"%%%c\"" : "\"%%\\%03o\"", | |
4844 | c & 0xFF); | |
4845 | else | |
4846 | sv_catpv(msg, "end of string"); | |
4847 | warn("%_", msg); /* yes, this is reentrant */ | |
4848 | } | |
fb73857a | 4849 | |
4850 | /* output mangled stuff ... */ | |
4851 | if (c == '\0') | |
4852 | --q; | |
46fc3d4c | 4853 | eptr = p; |
4854 | elen = q - p; | |
fb73857a | 4855 | |
4856 | /* ... right here, because formatting flags should not apply */ | |
4857 | SvGROW(sv, SvCUR(sv) + elen + 1); | |
4858 | p = SvEND(sv); | |
4859 | memcpy(p, eptr, elen); | |
4860 | p += elen; | |
4861 | *p = '\0'; | |
4862 | SvCUR(sv) = p - SvPVX(sv); | |
4863 | continue; /* not "break" */ | |
46fc3d4c | 4864 | } |
4865 | ||
fc36a67e | 4866 | have = esignlen + zeros + elen; |
46fc3d4c | 4867 | need = (have > width ? have : width); |
4868 | gap = need - have; | |
4869 | ||
7bc39d62 | 4870 | SvGROW(sv, SvCUR(sv) + need + 1); |
46fc3d4c | 4871 | p = SvEND(sv); |
4872 | if (esignlen && fill == '0') { | |
4873 | for (i = 0; i < esignlen; i++) | |
4874 | *p++ = esignbuf[i]; | |
4875 | } | |
4876 | if (gap && !left) { | |
4877 | memset(p, fill, gap); | |
4878 | p += gap; | |
4879 | } | |
4880 | if (esignlen && fill != '0') { | |
4881 | for (i = 0; i < esignlen; i++) | |
4882 | *p++ = esignbuf[i]; | |
4883 | } | |
fc36a67e | 4884 | if (zeros) { |
4885 | for (i = zeros; i; i--) | |
4886 | *p++ = '0'; | |
4887 | } | |
46fc3d4c | 4888 | if (elen) { |
4889 | memcpy(p, eptr, elen); | |
4890 | p += elen; | |
4891 | } | |
4892 | if (gap && left) { | |
4893 | memset(p, ' ', gap); | |
4894 | p += gap; | |
4895 | } | |
4896 | *p = '\0'; | |
4897 | SvCUR(sv) = p - SvPVX(sv); | |
4898 | } | |
4899 | } | |
4900 | ||
8990e307 | 4901 | void |
8ac85365 | 4902 | sv_dump(SV *sv) |
8990e307 | 4903 | { |
35ff7856 | 4904 | #ifdef DEBUGGING |
46fc3d4c | 4905 | SV *d = sv_newmortal(); |
4906 | char *s; | |
8990e307 LW |
4907 | U32 flags; |
4908 | U32 type; | |
4909 | ||
4910 | if (!sv) { | |
760ac839 | 4911 | PerlIO_printf(Perl_debug_log, "SV = 0\n"); |
8990e307 LW |
4912 | return; |
4913 | } | |
4914 | ||
4915 | flags = SvFLAGS(sv); | |
4916 | type = SvTYPE(sv); | |
4917 | ||
46fc3d4c | 4918 | sv_setpvf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (", |
4919 | (unsigned long)SvANY(sv), (long)SvREFCNT(sv)); | |
4920 | if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,"); | |
4921 | if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,"); | |
4922 | if (flags & SVs_PADMY) sv_catpv(d, "PADMY,"); | |
4923 | if (flags & SVs_TEMP) sv_catpv(d, "TEMP,"); | |
4924 | if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,"); | |
4925 | if (flags & SVs_GMG) sv_catpv(d, "GMG,"); | |
4926 | if (flags & SVs_SMG) sv_catpv(d, "SMG,"); | |
4927 | if (flags & SVs_RMG) sv_catpv(d, "RMG,"); | |
4928 | ||
4929 | if (flags & SVf_IOK) sv_catpv(d, "IOK,"); | |
4930 | if (flags & SVf_NOK) sv_catpv(d, "NOK,"); | |
4931 | if (flags & SVf_POK) sv_catpv(d, "POK,"); | |
4932 | if (flags & SVf_ROK) sv_catpv(d, "ROK,"); | |
4933 | if (flags & SVf_OOK) sv_catpv(d, "OOK,"); | |
4934 | if (flags & SVf_FAKE) sv_catpv(d, "FAKE,"); | |
4935 | if (flags & SVf_READONLY) sv_catpv(d, "READONLY,"); | |
8990e307 | 4936 | |
1edc1566 | 4937 | #ifdef OVERLOAD |
46fc3d4c | 4938 | if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,"); |
1edc1566 | 4939 | #endif /* OVERLOAD */ |
46fc3d4c | 4940 | if (flags & SVp_IOK) sv_catpv(d, "pIOK,"); |
4941 | if (flags & SVp_NOK) sv_catpv(d, "pNOK,"); | |
4942 | if (flags & SVp_POK) sv_catpv(d, "pPOK,"); | |
4943 | if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,"); | |
1edc1566 | 4944 | |
4945 | switch (type) { | |
4946 | case SVt_PVCV: | |
774d564b | 4947 | case SVt_PVFM: |
46fc3d4c | 4948 | if (CvANON(sv)) sv_catpv(d, "ANON,"); |
4949 | if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,"); | |
4950 | if (CvCLONE(sv)) sv_catpv(d, "CLONE,"); | |
4951 | if (CvCLONED(sv)) sv_catpv(d, "CLONED,"); | |
4952 | if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,"); | |
4953 | break; | |
55497cff | 4954 | case SVt_PVHV: |
46fc3d4c | 4955 | if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,"); |
4956 | if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,"); | |
4957 | break; | |
1edc1566 | 4958 | case SVt_PVGV: |
46fc3d4c | 4959 | if (GvINTRO(sv)) sv_catpv(d, "INTRO,"); |
4960 | if (GvMULTI(sv)) sv_catpv(d, "MULTI,"); | |
4961 | if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,"); | |
4962 | if (GvIMPORTED(sv)) { | |
4963 | sv_catpv(d, "IMPORT"); | |
4964 | if (GvIMPORTED(sv) == GVf_IMPORTED) | |
4965 | sv_catpv(d, "ALL,"); | |
4966 | else { | |
4967 | sv_catpv(d, "("); | |
4968 | if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV"); | |
4969 | if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV"); | |
4970 | if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV"); | |
4971 | if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV"); | |
4972 | sv_catpv(d, " ),"); | |
4973 | } | |
4974 | } | |
c277df42 IZ |
4975 | case SVt_PVBM: |
4976 | if (SvTAIL(sv)) sv_catpv(d, "TAIL,"); | |
4977 | if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,"); | |
4978 | break; | |
1edc1566 | 4979 | } |
4980 | ||
46fc3d4c | 4981 | if (*(SvEND(d) - 1) == ',') |
4982 | SvPVX(d)[--SvCUR(d)] = '\0'; | |
4983 | sv_catpv(d, ")"); | |
4984 | s = SvPVX(d); | |
8990e307 | 4985 | |
760ac839 | 4986 | PerlIO_printf(Perl_debug_log, "SV = "); |
8990e307 LW |
4987 | switch (type) { |
4988 | case SVt_NULL: | |
46fc3d4c | 4989 | PerlIO_printf(Perl_debug_log, "NULL%s\n", s); |
8990e307 LW |
4990 | return; |
4991 | case SVt_IV: | |
46fc3d4c | 4992 | PerlIO_printf(Perl_debug_log, "IV%s\n", s); |
8990e307 LW |
4993 | break; |
4994 | case SVt_NV: | |
46fc3d4c | 4995 | PerlIO_printf(Perl_debug_log, "NV%s\n", s); |
8990e307 LW |
4996 | break; |
4997 | case SVt_RV: | |
46fc3d4c | 4998 | PerlIO_printf(Perl_debug_log, "RV%s\n", s); |
8990e307 LW |
4999 | break; |
5000 | case SVt_PV: | |
46fc3d4c | 5001 | PerlIO_printf(Perl_debug_log, "PV%s\n", s); |
8990e307 LW |
5002 | break; |
5003 | case SVt_PVIV: | |
46fc3d4c | 5004 | PerlIO_printf(Perl_debug_log, "PVIV%s\n", s); |
8990e307 LW |
5005 | break; |
5006 | case SVt_PVNV: | |
46fc3d4c | 5007 | PerlIO_printf(Perl_debug_log, "PVNV%s\n", s); |
8990e307 LW |
5008 | break; |
5009 | case SVt_PVBM: | |
46fc3d4c | 5010 | PerlIO_printf(Perl_debug_log, "PVBM%s\n", s); |
8990e307 LW |
5011 | break; |
5012 | case SVt_PVMG: | |
46fc3d4c | 5013 | PerlIO_printf(Perl_debug_log, "PVMG%s\n", s); |
8990e307 LW |
5014 | break; |
5015 | case SVt_PVLV: | |
46fc3d4c | 5016 | PerlIO_printf(Perl_debug_log, "PVLV%s\n", s); |
8990e307 LW |
5017 | break; |
5018 | case SVt_PVAV: | |
46fc3d4c | 5019 | PerlIO_printf(Perl_debug_log, "PVAV%s\n", s); |
8990e307 LW |
5020 | break; |
5021 | case SVt_PVHV: | |
46fc3d4c | 5022 | PerlIO_printf(Perl_debug_log, "PVHV%s\n", s); |
8990e307 LW |
5023 | break; |
5024 | case SVt_PVCV: | |
46fc3d4c | 5025 | PerlIO_printf(Perl_debug_log, "PVCV%s\n", s); |
8990e307 LW |
5026 | break; |
5027 | case SVt_PVGV: | |
46fc3d4c | 5028 | PerlIO_printf(Perl_debug_log, "PVGV%s\n", s); |
8990e307 LW |
5029 | break; |
5030 | case SVt_PVFM: | |
46fc3d4c | 5031 | PerlIO_printf(Perl_debug_log, "PVFM%s\n", s); |
8990e307 LW |
5032 | break; |
5033 | case SVt_PVIO: | |
46fc3d4c | 5034 | PerlIO_printf(Perl_debug_log, "PVIO%s\n", s); |
8990e307 LW |
5035 | break; |
5036 | default: | |
46fc3d4c | 5037 | PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", s); |
8990e307 LW |
5038 | return; |
5039 | } | |
5040 | if (type >= SVt_PVIV || type == SVt_IV) | |
760ac839 | 5041 | PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv)); |
bbce6d69 | 5042 | if (type >= SVt_PVNV || type == SVt_NV) { |
36477c24 | 5043 | SET_NUMERIC_STANDARD(); |
760ac839 | 5044 | PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv)); |
bbce6d69 | 5045 | } |
8990e307 | 5046 | if (SvROK(sv)) { |
760ac839 | 5047 | PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv)); |
8990e307 LW |
5048 | sv_dump(SvRV(sv)); |
5049 | return; | |
5050 | } | |
5051 | if (type < SVt_PV) | |
5052 | return; | |
5053 | if (type <= SVt_PVLV) { | |
5054 | if (SvPVX(sv)) | |
760ac839 | 5055 | PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n", |
a0d0e21e | 5056 | (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv)); |
8990e307 | 5057 | else |
760ac839 | 5058 | PerlIO_printf(Perl_debug_log, " PV = 0\n"); |
8990e307 LW |
5059 | } |
5060 | if (type >= SVt_PVMG) { | |
5061 | if (SvMAGIC(sv)) { | |
760ac839 | 5062 | PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv)); |
8990e307 LW |
5063 | } |
5064 | if (SvSTASH(sv)) | |
760ac839 | 5065 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv))); |
8990e307 LW |
5066 | } |
5067 | switch (type) { | |
5068 | case SVt_PVLV: | |
760ac839 LW |
5069 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv)); |
5070 | PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv)); | |
5071 | PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv)); | |
5072 | PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv)); | |
8990e307 LW |
5073 | sv_dump(LvTARG(sv)); |
5074 | break; | |
5075 | case SVt_PVAV: | |
760ac839 LW |
5076 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv)); |
5077 | PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv)); | |
93965878 | 5078 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILLp(sv)); |
760ac839 LW |
5079 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv)); |
5080 | PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv)); | |
4633a7c4 | 5081 | flags = AvFLAGS(sv); |
46fc3d4c | 5082 | sv_setpv(d, ""); |
5083 | if (flags & AVf_REAL) sv_catpv(d, ",REAL"); | |
5084 | if (flags & AVf_REIFY) sv_catpv(d, ",REIFY"); | |
5085 | if (flags & AVf_REUSED) sv_catpv(d, ",REUSED"); | |
5086 | PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", | |
5087 | SvCUR(d) ? SvPVX(d) + 1 : ""); | |
8990e307 LW |
5088 | break; |
5089 | case SVt_PVHV: | |
760ac839 LW |
5090 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv)); |
5091 | PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv)); | |
5092 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv)); | |
5093 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv)); | |
5094 | PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv)); | |
5095 | PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv)); | |
8990e307 | 5096 | if (HvPMROOT(sv)) |
760ac839 | 5097 | PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv)); |
8990e307 | 5098 | if (HvNAME(sv)) |
760ac839 | 5099 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv)); |
8990e307 | 5100 | break; |
8990e307 | 5101 | case SVt_PVCV: |
36596149 GB |
5102 | if (SvPOK(sv)) { |
5103 | STRLEN n_a; | |
5104 | PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,n_a)); | |
5105 | } | |
fa83b5b6 | 5106 | /* FALL THROUGH */ |
5107 | case SVt_PVFM: | |
760ac839 LW |
5108 | PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv)); |
5109 | PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv)); | |
5110 | PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv)); | |
5111 | PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv)); | |
5112 | PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32); | |
d1bf51dd | 5113 | PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv)); |
1edc1566 | 5114 | if (CvGV(sv) && GvNAME(CvGV(sv))) { |
d1bf51dd | 5115 | PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv))); |
1edc1566 | 5116 | } else { |
d1bf51dd | 5117 | PerlIO_printf(Perl_debug_log, "\n"); |
1edc1566 | 5118 | } |
760ac839 LW |
5119 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv)); |
5120 | PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv)); | |
5121 | PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv)); | |
5122 | PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv)); | |
11343788 | 5123 | #ifdef USE_THREADS |
5dc0d613 | 5124 | PerlIO_printf(Perl_debug_log, " MUTEXP = 0x%lx\n", (long)CvMUTEXP(sv)); |
5dc0d613 | 5125 | PerlIO_printf(Perl_debug_log, " OWNER = 0x%lx\n", (long)CvOWNER(sv)); |
11343788 | 5126 | #endif /* USE_THREADS */ |
77a005ab MB |
5127 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", |
5128 | (unsigned long)CvFLAGS(sv)); | |
8990e307 | 5129 | if (type == SVt_PVFM) |
760ac839 | 5130 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv)); |
8990e307 LW |
5131 | break; |
5132 | case SVt_PVGV: | |
760ac839 LW |
5133 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv)); |
5134 | PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv)); | |
ec12f114 JPC |
5135 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", |
5136 | SvTYPE(GvSTASH(sv)) == SVt_PVHV ? HvNAME(GvSTASH(sv)) : "(deleted)"); | |
760ac839 LW |
5137 | PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv)); |
5138 | PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv)); | |
5139 | PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv)); | |
5140 | PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv)); | |
5141 | PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv)); | |
5142 | PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv)); | |
5143 | PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv)); | |
5144 | PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv)); | |
5145 | PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv)); | |
5146 | PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv)); | |
5147 | PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv)); | |
55497cff | 5148 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv)); |
760ac839 | 5149 | PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv)); |
8990e307 LW |
5150 | break; |
5151 | case SVt_PVIO: | |
760ac839 LW |
5152 | PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv)); |
5153 | PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv)); | |
5154 | PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv)); | |
5155 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv)); | |
5156 | PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv)); | |
5157 | PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv)); | |
5158 | PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv)); | |
5159 | PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv)); | |
5160 | PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv)); | |
5161 | PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv)); | |
5162 | PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv)); | |
5163 | PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv)); | |
5164 | PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv)); | |
5165 | PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv)); | |
5166 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv)); | |
5167 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv)); | |
8990e307 LW |
5168 | break; |
5169 | } | |
35ff7856 | 5170 | #endif /* DEBUGGING */ |
8990e307 | 5171 | } |