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 LW |
51 | static SV *more_sv _((void)); |
52 | static XPVIV *more_xiv _((void)); | |
53 | static XPVNV *more_xnv _((void)); | |
54 | static XPV *more_xpv _((void)); | |
55 | static XRV *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 | { | |
00db4c45 | 124 | if (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); | |
145 | ++sv_count; | |
146 | } | |
147 | ||
148 | static void | |
149 | reg_remove(sv) | |
150 | SV* sv; | |
151 | { | |
152 | REG_REMOVE(sv); | |
153 | --sv_count; | |
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 { \ | |
187 | SvANY(p) = (void *)sv_root; \ | |
188 | SvFLAGS(p) = SVTYPEMASK; \ | |
189 | sv_root = (p); \ | |
190 | --sv_count; \ | |
191 | } while (0) | |
a0d0e21e | 192 | |
fba3b22e | 193 | /* sv_mutex must be held while calling uproot_SV() */ |
fc36a67e | 194 | #define uproot_SV(p) \ |
4561caa4 CS |
195 | do { \ |
196 | (p) = sv_root; \ | |
197 | sv_root = (SV*)SvANY(p); \ | |
a0d0e21e | 198 | ++sv_count; \ |
4561caa4 | 199 | } while (0) |
463ee0b2 | 200 | |
940cb80d MB |
201 | #define new_SV(p) do { \ |
202 | LOCK_SV_MUTEX; \ | |
203 | if (sv_root) \ | |
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; \ | |
214 | if (debug & 32768) \ | |
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 | { |
a0d0e21e | 224 | if (debug & 32768) { |
4633a7c4 | 225 | SV* sva; |
a0d0e21e LW |
226 | SV* sv; |
227 | SV* svend; | |
228 | int ok = 0; | |
4633a7c4 LW |
229 | for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) { |
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. */ | |
258 | SvANY(sva) = (void *) sv_arenaroot; /* ptr to next arena */ | |
259 | SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */ | |
260 | SvFLAGS(sva) = flags; /* FAKE if not to be freed */ | |
261 | ||
262 | sv_arenaroot = sva; | |
263 | sv_root = sva + 1; | |
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 | ||
c07a80fd | 282 | if (nice_chunk) { |
283 | sv_add_arena(nice_chunk, nice_chunk_size, 0); | |
284 | nice_chunk = Nullch; | |
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 | ||
4561caa4 | 302 | for (sva = 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 | { |
477f5d66 | 365 | 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 |
477f5d66 | 371 | 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 | { |
477f5d66 | 385 | in_clean_all = TRUE; |
ac4c12e7 | 386 | visit(FUNC_NAME_TO_PTR(do_clean_all)); |
477f5d66 | 387 | 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 | ||
399 | for (sva = sv_arenaroot; sva; sva = svanext) { | |
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 | |
fc80cf79 GS |
408 | if (nice_chunk) |
409 | Safefree(nice_chunk); | |
410 | nice_chunk = Nullch; | |
411 | nice_chunk_size = 0; | |
5f05dabc | 412 | sv_arenaroot = 0; |
413 | sv_root = 0; | |
4633a7c4 LW |
414 | } |
415 | ||
76e3520e | 416 | STATIC XPVIV* |
8ac85365 | 417 | new_xiv(void) |
463ee0b2 | 418 | { |
ea7c11a3 | 419 | IV* xiv; |
463ee0b2 LW |
420 | if (xiv_root) { |
421 | xiv = xiv_root; | |
85e6fe83 LW |
422 | /* |
423 | * See comment in more_xiv() -- RAM. | |
424 | */ | |
ea7c11a3 | 425 | xiv_root = *(IV**)xiv; |
23e6a22f | 426 | return (XPVIV*)((char*)xiv - STRUCT_OFFSET(XPVIV, xiv_iv)); |
463ee0b2 LW |
427 | } |
428 | return more_xiv(); | |
429 | } | |
430 | ||
76e3520e | 431 | STATIC void |
8ac85365 | 432 | del_xiv(XPVIV *p) |
463ee0b2 | 433 | { |
23e6a22f | 434 | IV* xiv = (IV*)((char*)(p) + STRUCT_OFFSET(XPVIV, xiv_iv)); |
ea7c11a3 | 435 | *(IV**)xiv = xiv_root; |
463ee0b2 LW |
436 | xiv_root = xiv; |
437 | } | |
438 | ||
76e3520e | 439 | STATIC XPVIV* |
8ac85365 | 440 | more_xiv(void) |
463ee0b2 | 441 | { |
ea7c11a3 SM |
442 | register IV* xiv; |
443 | register IV* xivend; | |
8c52afec IZ |
444 | XPV* ptr; |
445 | New(705, ptr, 1008/sizeof(XPV), XPV); | |
a0d0e21e LW |
446 | ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */ |
447 | xiv_arenaroot = ptr; /* to keep Purify happy */ | |
448 | ||
ea7c11a3 SM |
449 | xiv = (IV*) ptr; |
450 | xivend = &xiv[1008 / sizeof(IV) - 1]; | |
451 | xiv += (sizeof(XPV) - 1) / sizeof(IV) + 1; /* fudge by size of XPV */ | |
463ee0b2 LW |
452 | xiv_root = xiv; |
453 | while (xiv < xivend) { | |
ea7c11a3 | 454 | *(IV**)xiv = (IV *)(xiv + 1); |
463ee0b2 LW |
455 | xiv++; |
456 | } | |
ea7c11a3 | 457 | *(IV**)xiv = 0; |
463ee0b2 LW |
458 | return new_xiv(); |
459 | } | |
460 | ||
76e3520e | 461 | STATIC XPVNV* |
8ac85365 | 462 | new_xnv(void) |
463ee0b2 LW |
463 | { |
464 | double* xnv; | |
465 | if (xnv_root) { | |
466 | xnv = xnv_root; | |
467 | xnv_root = *(double**)xnv; | |
23e6a22f | 468 | return (XPVNV*)((char*)xnv - STRUCT_OFFSET(XPVNV, xnv_nv)); |
463ee0b2 LW |
469 | } |
470 | return more_xnv(); | |
471 | } | |
472 | ||
76e3520e | 473 | STATIC void |
8ac85365 | 474 | del_xnv(XPVNV *p) |
463ee0b2 | 475 | { |
23e6a22f | 476 | double* xnv = (double*)((char*)(p) + STRUCT_OFFSET(XPVNV, xnv_nv)); |
463ee0b2 LW |
477 | *(double**)xnv = xnv_root; |
478 | xnv_root = xnv; | |
479 | } | |
480 | ||
76e3520e | 481 | STATIC XPVNV* |
8ac85365 | 482 | more_xnv(void) |
463ee0b2 | 483 | { |
463ee0b2 LW |
484 | register double* xnv; |
485 | register double* xnvend; | |
8c52afec | 486 | New(711, xnv, 1008/sizeof(double), double); |
463ee0b2 LW |
487 | xnvend = &xnv[1008 / sizeof(double) - 1]; |
488 | xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */ | |
489 | xnv_root = xnv; | |
490 | while (xnv < xnvend) { | |
491 | *(double**)xnv = (double*)(xnv + 1); | |
492 | xnv++; | |
493 | } | |
494 | *(double**)xnv = 0; | |
495 | return new_xnv(); | |
496 | } | |
497 | ||
76e3520e | 498 | STATIC XRV* |
8ac85365 | 499 | new_xrv(void) |
ed6116ce LW |
500 | { |
501 | XRV* xrv; | |
502 | if (xrv_root) { | |
503 | xrv = xrv_root; | |
504 | xrv_root = (XRV*)xrv->xrv_rv; | |
505 | return xrv; | |
506 | } | |
507 | return more_xrv(); | |
508 | } | |
509 | ||
76e3520e | 510 | STATIC void |
8ac85365 | 511 | del_xrv(XRV *p) |
ed6116ce LW |
512 | { |
513 | p->xrv_rv = (SV*)xrv_root; | |
514 | xrv_root = p; | |
515 | } | |
516 | ||
76e3520e | 517 | STATIC XRV* |
8ac85365 | 518 | more_xrv(void) |
ed6116ce | 519 | { |
ed6116ce LW |
520 | register XRV* xrv; |
521 | register XRV* xrvend; | |
8c52afec | 522 | New(712, xrv_root, 1008/sizeof(XRV), XRV); |
ed6116ce LW |
523 | xrv = xrv_root; |
524 | xrvend = &xrv[1008 / sizeof(XRV) - 1]; | |
525 | while (xrv < xrvend) { | |
526 | xrv->xrv_rv = (SV*)(xrv + 1); | |
527 | xrv++; | |
528 | } | |
529 | xrv->xrv_rv = 0; | |
530 | return new_xrv(); | |
531 | } | |
532 | ||
76e3520e | 533 | STATIC XPV* |
8ac85365 | 534 | new_xpv(void) |
463ee0b2 LW |
535 | { |
536 | XPV* xpv; | |
537 | if (xpv_root) { | |
538 | xpv = xpv_root; | |
539 | xpv_root = (XPV*)xpv->xpv_pv; | |
540 | return xpv; | |
541 | } | |
542 | return more_xpv(); | |
543 | } | |
544 | ||
76e3520e | 545 | STATIC void |
8ac85365 | 546 | del_xpv(XPV *p) |
463ee0b2 LW |
547 | { |
548 | p->xpv_pv = (char*)xpv_root; | |
549 | xpv_root = p; | |
550 | } | |
551 | ||
76e3520e | 552 | STATIC XPV* |
8ac85365 | 553 | more_xpv(void) |
463ee0b2 | 554 | { |
463ee0b2 LW |
555 | register XPV* xpv; |
556 | register XPV* xpvend; | |
8c52afec | 557 | New(713, xpv_root, 1008/sizeof(XPV), XPV); |
463ee0b2 LW |
558 | xpv = xpv_root; |
559 | xpvend = &xpv[1008 / sizeof(XPV) - 1]; | |
560 | while (xpv < xpvend) { | |
561 | xpv->xpv_pv = (char*)(xpv + 1); | |
562 | xpv++; | |
563 | } | |
564 | xpv->xpv_pv = 0; | |
565 | return new_xpv(); | |
566 | } | |
567 | ||
568 | #ifdef PURIFY | |
8990e307 | 569 | #define new_XIV() (void*)safemalloc(sizeof(XPVIV)) |
6ad3d225 | 570 | #define del_XIV(p) Safefree((char*)p) |
463ee0b2 | 571 | #else |
85e6fe83 | 572 | #define new_XIV() (void*)new_xiv() |
8ac85365 | 573 | #define del_XIV(p) del_xiv((XPVIV*) p) |
463ee0b2 LW |
574 | #endif |
575 | ||
576 | #ifdef PURIFY | |
8990e307 | 577 | #define new_XNV() (void*)safemalloc(sizeof(XPVNV)) |
6ad3d225 | 578 | #define del_XNV(p) Safefree((char*)p) |
463ee0b2 | 579 | #else |
85e6fe83 | 580 | #define new_XNV() (void*)new_xnv() |
8ac85365 | 581 | #define del_XNV(p) del_xnv((XPVNV*) p) |
463ee0b2 LW |
582 | #endif |
583 | ||
584 | #ifdef PURIFY | |
8990e307 | 585 | #define new_XRV() (void*)safemalloc(sizeof(XRV)) |
6ad3d225 | 586 | #define del_XRV(p) Safefree((char*)p) |
ed6116ce | 587 | #else |
85e6fe83 | 588 | #define new_XRV() (void*)new_xrv() |
8ac85365 | 589 | #define del_XRV(p) del_xrv((XRV*) p) |
ed6116ce LW |
590 | #endif |
591 | ||
592 | #ifdef PURIFY | |
8990e307 | 593 | #define new_XPV() (void*)safemalloc(sizeof(XPV)) |
6ad3d225 | 594 | #define del_XPV(p) Safefree((char*)p) |
463ee0b2 | 595 | #else |
85e6fe83 | 596 | #define new_XPV() (void*)new_xpv() |
8ac85365 | 597 | #define del_XPV(p) del_xpv((XPV *)p) |
463ee0b2 LW |
598 | #endif |
599 | ||
8c52afec IZ |
600 | #ifdef PURIFY |
601 | # define my_safemalloc(s) safemalloc(s) | |
602 | # define my_safefree(s) free(s) | |
603 | #else | |
9d8a25dc | 604 | STATIC void* |
d665c133 | 605 | my_safemalloc(MEM_SIZE size) |
8c52afec IZ |
606 | { |
607 | char *p; | |
608 | New(717, p, size, char); | |
609 | return (void*)p; | |
610 | } | |
611 | # define my_safefree(s) Safefree(s) | |
612 | #endif | |
613 | ||
614 | #define new_XPVIV() (void*)my_safemalloc(sizeof(XPVIV)) | |
615 | #define del_XPVIV(p) my_safefree((char*)p) | |
616 | ||
617 | #define new_XPVNV() (void*)my_safemalloc(sizeof(XPVNV)) | |
618 | #define del_XPVNV(p) my_safefree((char*)p) | |
619 | ||
620 | #define new_XPVMG() (void*)my_safemalloc(sizeof(XPVMG)) | |
621 | #define del_XPVMG(p) my_safefree((char*)p) | |
622 | ||
623 | #define new_XPVLV() (void*)my_safemalloc(sizeof(XPVLV)) | |
624 | #define del_XPVLV(p) my_safefree((char*)p) | |
625 | ||
626 | #define new_XPVAV() (void*)my_safemalloc(sizeof(XPVAV)) | |
627 | #define del_XPVAV(p) my_safefree((char*)p) | |
628 | ||
629 | #define new_XPVHV() (void*)my_safemalloc(sizeof(XPVHV)) | |
630 | #define del_XPVHV(p) my_safefree((char*)p) | |
631 | ||
632 | #define new_XPVCV() (void*)my_safemalloc(sizeof(XPVCV)) | |
633 | #define del_XPVCV(p) my_safefree((char*)p) | |
634 | ||
635 | #define new_XPVGV() (void*)my_safemalloc(sizeof(XPVGV)) | |
636 | #define del_XPVGV(p) my_safefree((char*)p) | |
637 | ||
638 | #define new_XPVBM() (void*)my_safemalloc(sizeof(XPVBM)) | |
639 | #define del_XPVBM(p) my_safefree((char*)p) | |
640 | ||
641 | #define new_XPVFM() (void*)my_safemalloc(sizeof(XPVFM)) | |
642 | #define del_XPVFM(p) my_safefree((char*)p) | |
643 | ||
644 | #define new_XPVIO() (void*)my_safemalloc(sizeof(XPVIO)) | |
645 | #define del_XPVIO(p) my_safefree((char*)p) | |
8990e307 | 646 | |
79072805 | 647 | bool |
8ac85365 | 648 | sv_upgrade(register SV *sv, U32 mt) |
79072805 LW |
649 | { |
650 | char* pv; | |
651 | U32 cur; | |
652 | U32 len; | |
a0d0e21e | 653 | IV iv; |
79072805 LW |
654 | double nv; |
655 | MAGIC* magic; | |
656 | HV* stash; | |
657 | ||
658 | if (SvTYPE(sv) == mt) | |
659 | return TRUE; | |
660 | ||
a5f75d66 AD |
661 | if (mt < SVt_PVIV) |
662 | (void)SvOOK_off(sv); | |
663 | ||
79072805 LW |
664 | switch (SvTYPE(sv)) { |
665 | case SVt_NULL: | |
666 | pv = 0; | |
667 | cur = 0; | |
668 | len = 0; | |
669 | iv = 0; | |
670 | nv = 0.0; | |
671 | magic = 0; | |
672 | stash = 0; | |
673 | break; | |
79072805 LW |
674 | case SVt_IV: |
675 | pv = 0; | |
676 | cur = 0; | |
677 | len = 0; | |
463ee0b2 LW |
678 | iv = SvIVX(sv); |
679 | nv = (double)SvIVX(sv); | |
79072805 LW |
680 | del_XIV(SvANY(sv)); |
681 | magic = 0; | |
682 | stash = 0; | |
ed6116ce | 683 | if (mt == SVt_NV) |
463ee0b2 | 684 | mt = SVt_PVNV; |
ed6116ce LW |
685 | else if (mt < SVt_PVIV) |
686 | mt = SVt_PVIV; | |
79072805 LW |
687 | break; |
688 | case SVt_NV: | |
689 | pv = 0; | |
690 | cur = 0; | |
691 | len = 0; | |
463ee0b2 | 692 | nv = SvNVX(sv); |
ed6116ce | 693 | iv = I_32(nv); |
79072805 LW |
694 | magic = 0; |
695 | stash = 0; | |
696 | del_XNV(SvANY(sv)); | |
697 | SvANY(sv) = 0; | |
ed6116ce | 698 | if (mt < SVt_PVNV) |
79072805 LW |
699 | mt = SVt_PVNV; |
700 | break; | |
ed6116ce LW |
701 | case SVt_RV: |
702 | pv = (char*)SvRV(sv); | |
703 | cur = 0; | |
704 | len = 0; | |
a0d0e21e | 705 | iv = (IV)pv; |
ed6116ce LW |
706 | nv = (double)(unsigned long)pv; |
707 | del_XRV(SvANY(sv)); | |
708 | magic = 0; | |
709 | stash = 0; | |
710 | break; | |
79072805 | 711 | case SVt_PV: |
463ee0b2 | 712 | pv = SvPVX(sv); |
79072805 LW |
713 | cur = SvCUR(sv); |
714 | len = SvLEN(sv); | |
715 | iv = 0; | |
716 | nv = 0.0; | |
717 | magic = 0; | |
718 | stash = 0; | |
719 | del_XPV(SvANY(sv)); | |
748a9306 LW |
720 | if (mt <= SVt_IV) |
721 | mt = SVt_PVIV; | |
722 | else if (mt == SVt_NV) | |
723 | mt = SVt_PVNV; | |
79072805 LW |
724 | break; |
725 | case SVt_PVIV: | |
463ee0b2 | 726 | pv = SvPVX(sv); |
79072805 LW |
727 | cur = SvCUR(sv); |
728 | len = SvLEN(sv); | |
463ee0b2 | 729 | iv = SvIVX(sv); |
79072805 LW |
730 | nv = 0.0; |
731 | magic = 0; | |
732 | stash = 0; | |
733 | del_XPVIV(SvANY(sv)); | |
734 | break; | |
735 | case SVt_PVNV: | |
463ee0b2 | 736 | pv = SvPVX(sv); |
79072805 LW |
737 | cur = SvCUR(sv); |
738 | len = SvLEN(sv); | |
463ee0b2 LW |
739 | iv = SvIVX(sv); |
740 | nv = SvNVX(sv); | |
79072805 LW |
741 | magic = 0; |
742 | stash = 0; | |
743 | del_XPVNV(SvANY(sv)); | |
744 | break; | |
745 | case SVt_PVMG: | |
463ee0b2 | 746 | pv = SvPVX(sv); |
79072805 LW |
747 | cur = SvCUR(sv); |
748 | len = SvLEN(sv); | |
463ee0b2 LW |
749 | iv = SvIVX(sv); |
750 | nv = SvNVX(sv); | |
79072805 LW |
751 | magic = SvMAGIC(sv); |
752 | stash = SvSTASH(sv); | |
753 | del_XPVMG(SvANY(sv)); | |
754 | break; | |
755 | default: | |
463ee0b2 | 756 | croak("Can't upgrade that kind of scalar"); |
79072805 LW |
757 | } |
758 | ||
759 | switch (mt) { | |
760 | case SVt_NULL: | |
463ee0b2 | 761 | croak("Can't upgrade to undef"); |
79072805 LW |
762 | case SVt_IV: |
763 | SvANY(sv) = new_XIV(); | |
463ee0b2 | 764 | SvIVX(sv) = iv; |
79072805 LW |
765 | break; |
766 | case SVt_NV: | |
767 | SvANY(sv) = new_XNV(); | |
463ee0b2 | 768 | SvNVX(sv) = nv; |
79072805 | 769 | break; |
ed6116ce LW |
770 | case SVt_RV: |
771 | SvANY(sv) = new_XRV(); | |
772 | SvRV(sv) = (SV*)pv; | |
ed6116ce | 773 | break; |
79072805 LW |
774 | case SVt_PV: |
775 | SvANY(sv) = new_XPV(); | |
463ee0b2 | 776 | SvPVX(sv) = pv; |
79072805 LW |
777 | SvCUR(sv) = cur; |
778 | SvLEN(sv) = len; | |
779 | break; | |
780 | case SVt_PVIV: | |
781 | SvANY(sv) = new_XPVIV(); | |
463ee0b2 | 782 | SvPVX(sv) = pv; |
79072805 LW |
783 | SvCUR(sv) = cur; |
784 | SvLEN(sv) = len; | |
463ee0b2 | 785 | SvIVX(sv) = iv; |
79072805 | 786 | if (SvNIOK(sv)) |
a0d0e21e | 787 | (void)SvIOK_on(sv); |
79072805 LW |
788 | SvNOK_off(sv); |
789 | break; | |
790 | case SVt_PVNV: | |
791 | SvANY(sv) = new_XPVNV(); | |
463ee0b2 | 792 | SvPVX(sv) = pv; |
79072805 LW |
793 | SvCUR(sv) = cur; |
794 | SvLEN(sv) = len; | |
463ee0b2 LW |
795 | SvIVX(sv) = iv; |
796 | SvNVX(sv) = nv; | |
79072805 LW |
797 | break; |
798 | case SVt_PVMG: | |
799 | SvANY(sv) = new_XPVMG(); | |
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 | SvMAGIC(sv) = magic; |
806 | SvSTASH(sv) = stash; | |
807 | break; | |
808 | case SVt_PVLV: | |
809 | SvANY(sv) = new_XPVLV(); | |
463ee0b2 | 810 | SvPVX(sv) = pv; |
79072805 LW |
811 | SvCUR(sv) = cur; |
812 | SvLEN(sv) = len; | |
463ee0b2 LW |
813 | SvIVX(sv) = iv; |
814 | SvNVX(sv) = nv; | |
79072805 LW |
815 | SvMAGIC(sv) = magic; |
816 | SvSTASH(sv) = stash; | |
817 | LvTARGOFF(sv) = 0; | |
818 | LvTARGLEN(sv) = 0; | |
819 | LvTARG(sv) = 0; | |
820 | LvTYPE(sv) = 0; | |
821 | break; | |
822 | case SVt_PVAV: | |
823 | SvANY(sv) = new_XPVAV(); | |
463ee0b2 LW |
824 | if (pv) |
825 | Safefree(pv); | |
2304df62 | 826 | SvPVX(sv) = 0; |
d1bf51dd | 827 | AvMAX(sv) = -1; |
93965878 | 828 | AvFILLp(sv) = -1; |
463ee0b2 LW |
829 | SvIVX(sv) = 0; |
830 | SvNVX(sv) = 0.0; | |
831 | SvMAGIC(sv) = magic; | |
832 | SvSTASH(sv) = stash; | |
833 | AvALLOC(sv) = 0; | |
79072805 LW |
834 | AvARYLEN(sv) = 0; |
835 | AvFLAGS(sv) = 0; | |
836 | break; | |
837 | case SVt_PVHV: | |
838 | SvANY(sv) = new_XPVHV(); | |
463ee0b2 LW |
839 | if (pv) |
840 | Safefree(pv); | |
841 | SvPVX(sv) = 0; | |
842 | HvFILL(sv) = 0; | |
843 | HvMAX(sv) = 0; | |
844 | HvKEYS(sv) = 0; | |
845 | SvNVX(sv) = 0.0; | |
79072805 LW |
846 | SvMAGIC(sv) = magic; |
847 | SvSTASH(sv) = stash; | |
79072805 LW |
848 | HvRITER(sv) = 0; |
849 | HvEITER(sv) = 0; | |
850 | HvPMROOT(sv) = 0; | |
851 | HvNAME(sv) = 0; | |
79072805 LW |
852 | break; |
853 | case SVt_PVCV: | |
854 | SvANY(sv) = new_XPVCV(); | |
748a9306 | 855 | Zero(SvANY(sv), 1, XPVCV); |
463ee0b2 | 856 | SvPVX(sv) = pv; |
79072805 LW |
857 | SvCUR(sv) = cur; |
858 | SvLEN(sv) = len; | |
463ee0b2 LW |
859 | SvIVX(sv) = iv; |
860 | SvNVX(sv) = nv; | |
79072805 LW |
861 | SvMAGIC(sv) = magic; |
862 | SvSTASH(sv) = stash; | |
79072805 LW |
863 | break; |
864 | case SVt_PVGV: | |
865 | SvANY(sv) = new_XPVGV(); | |
463ee0b2 | 866 | SvPVX(sv) = pv; |
79072805 LW |
867 | SvCUR(sv) = cur; |
868 | SvLEN(sv) = len; | |
463ee0b2 LW |
869 | SvIVX(sv) = iv; |
870 | SvNVX(sv) = nv; | |
79072805 LW |
871 | SvMAGIC(sv) = magic; |
872 | SvSTASH(sv) = stash; | |
93a17b20 | 873 | GvGP(sv) = 0; |
79072805 LW |
874 | GvNAME(sv) = 0; |
875 | GvNAMELEN(sv) = 0; | |
876 | GvSTASH(sv) = 0; | |
a5f75d66 | 877 | GvFLAGS(sv) = 0; |
79072805 LW |
878 | break; |
879 | case SVt_PVBM: | |
880 | SvANY(sv) = new_XPVBM(); | |
463ee0b2 | 881 | SvPVX(sv) = pv; |
79072805 LW |
882 | SvCUR(sv) = cur; |
883 | SvLEN(sv) = len; | |
463ee0b2 LW |
884 | SvIVX(sv) = iv; |
885 | SvNVX(sv) = nv; | |
79072805 LW |
886 | SvMAGIC(sv) = magic; |
887 | SvSTASH(sv) = stash; | |
888 | BmRARE(sv) = 0; | |
889 | BmUSEFUL(sv) = 0; | |
890 | BmPREVIOUS(sv) = 0; | |
891 | break; | |
892 | case SVt_PVFM: | |
893 | SvANY(sv) = new_XPVFM(); | |
748a9306 | 894 | Zero(SvANY(sv), 1, XPVFM); |
463ee0b2 | 895 | SvPVX(sv) = pv; |
79072805 LW |
896 | SvCUR(sv) = cur; |
897 | SvLEN(sv) = len; | |
463ee0b2 LW |
898 | SvIVX(sv) = iv; |
899 | SvNVX(sv) = nv; | |
79072805 LW |
900 | SvMAGIC(sv) = magic; |
901 | SvSTASH(sv) = stash; | |
79072805 | 902 | break; |
8990e307 LW |
903 | case SVt_PVIO: |
904 | SvANY(sv) = new_XPVIO(); | |
748a9306 | 905 | Zero(SvANY(sv), 1, XPVIO); |
8990e307 LW |
906 | SvPVX(sv) = pv; |
907 | SvCUR(sv) = cur; | |
908 | SvLEN(sv) = len; | |
909 | SvIVX(sv) = iv; | |
910 | SvNVX(sv) = nv; | |
911 | SvMAGIC(sv) = magic; | |
912 | SvSTASH(sv) = stash; | |
85e6fe83 | 913 | IoPAGE_LEN(sv) = 60; |
8990e307 LW |
914 | break; |
915 | } | |
916 | SvFLAGS(sv) &= ~SVTYPEMASK; | |
917 | SvFLAGS(sv) |= mt; | |
79072805 LW |
918 | return TRUE; |
919 | } | |
920 | ||
921 | char * | |
8ac85365 | 922 | sv_peek(SV *sv) |
79072805 | 923 | { |
35ff7856 | 924 | #ifdef DEBUGGING |
46fc3d4c | 925 | SV *t = sv_newmortal(); |
926 | STRLEN prevlen; | |
a0d0e21e | 927 | int unref = 0; |
79072805 | 928 | |
2b98c477 | 929 | sv_setpvn(t, "", 0); |
79072805 LW |
930 | retry: |
931 | if (!sv) { | |
46fc3d4c | 932 | sv_catpv(t, "VOID"); |
a0d0e21e | 933 | goto finish; |
79072805 LW |
934 | } |
935 | else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') { | |
46fc3d4c | 936 | sv_catpv(t, "WILD"); |
a0d0e21e LW |
937 | goto finish; |
938 | } | |
939 | else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) { | |
940 | if (sv == &sv_undef) { | |
46fc3d4c | 941 | sv_catpv(t, "SV_UNDEF"); |
a0d0e21e LW |
942 | if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT| |
943 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
944 | SvREADONLY(sv)) | |
945 | goto finish; | |
946 | } | |
947 | else if (sv == &sv_no) { | |
46fc3d4c | 948 | sv_catpv(t, "SV_NO"); |
a0d0e21e LW |
949 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
950 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
951 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
952 | SVp_POK|SVp_NOK)) && | |
953 | SvCUR(sv) == 0 && | |
954 | SvNVX(sv) == 0.0) | |
955 | goto finish; | |
956 | } | |
957 | else { | |
46fc3d4c | 958 | sv_catpv(t, "SV_YES"); |
a0d0e21e LW |
959 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
960 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
961 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
962 | SVp_POK|SVp_NOK)) && | |
963 | SvCUR(sv) == 1 && | |
964 | SvPVX(sv) && *SvPVX(sv) == '1' && | |
965 | SvNVX(sv) == 1.0) | |
966 | goto finish; | |
967 | } | |
46fc3d4c | 968 | sv_catpv(t, ":"); |
79072805 | 969 | } |
a0d0e21e | 970 | else if (SvREFCNT(sv) == 0) { |
46fc3d4c | 971 | sv_catpv(t, "("); |
a0d0e21e | 972 | unref++; |
79072805 | 973 | } |
a0d0e21e | 974 | if (SvROK(sv)) { |
46fc3d4c | 975 | sv_catpv(t, "\\"); |
976 | if (SvCUR(t) + unref > 10) { | |
977 | SvCUR(t) = unref + 3; | |
978 | *SvEND(t) = '\0'; | |
979 | sv_catpv(t, "..."); | |
a0d0e21e | 980 | goto finish; |
79072805 | 981 | } |
a0d0e21e LW |
982 | sv = (SV*)SvRV(sv); |
983 | goto retry; | |
984 | } | |
985 | switch (SvTYPE(sv)) { | |
986 | default: | |
46fc3d4c | 987 | sv_catpv(t, "FREED"); |
a0d0e21e LW |
988 | goto finish; |
989 | ||
990 | case SVt_NULL: | |
46fc3d4c | 991 | sv_catpv(t, "UNDEF"); |
96827780 | 992 | goto finish; |
a0d0e21e | 993 | case SVt_IV: |
46fc3d4c | 994 | sv_catpv(t, "IV"); |
a0d0e21e LW |
995 | break; |
996 | case SVt_NV: | |
46fc3d4c | 997 | sv_catpv(t, "NV"); |
a0d0e21e LW |
998 | break; |
999 | case SVt_RV: | |
46fc3d4c | 1000 | sv_catpv(t, "RV"); |
a0d0e21e LW |
1001 | break; |
1002 | case SVt_PV: | |
46fc3d4c | 1003 | sv_catpv(t, "PV"); |
a0d0e21e LW |
1004 | break; |
1005 | case SVt_PVIV: | |
46fc3d4c | 1006 | sv_catpv(t, "PVIV"); |
a0d0e21e LW |
1007 | break; |
1008 | case SVt_PVNV: | |
46fc3d4c | 1009 | sv_catpv(t, "PVNV"); |
a0d0e21e LW |
1010 | break; |
1011 | case SVt_PVMG: | |
46fc3d4c | 1012 | sv_catpv(t, "PVMG"); |
a0d0e21e LW |
1013 | break; |
1014 | case SVt_PVLV: | |
46fc3d4c | 1015 | sv_catpv(t, "PVLV"); |
a0d0e21e LW |
1016 | break; |
1017 | case SVt_PVAV: | |
46fc3d4c | 1018 | sv_catpv(t, "AV"); |
a0d0e21e LW |
1019 | break; |
1020 | case SVt_PVHV: | |
46fc3d4c | 1021 | sv_catpv(t, "HV"); |
a0d0e21e LW |
1022 | break; |
1023 | case SVt_PVCV: | |
1024 | if (CvGV(sv)) | |
46fc3d4c | 1025 | sv_catpvf(t, "CV(%s)", GvNAME(CvGV(sv))); |
a0d0e21e | 1026 | else |
46fc3d4c | 1027 | sv_catpv(t, "CV()"); |
a0d0e21e LW |
1028 | goto finish; |
1029 | case SVt_PVGV: | |
46fc3d4c | 1030 | sv_catpv(t, "GV"); |
a0d0e21e LW |
1031 | break; |
1032 | case SVt_PVBM: | |
46fc3d4c | 1033 | sv_catpv(t, "BM"); |
a0d0e21e LW |
1034 | break; |
1035 | case SVt_PVFM: | |
46fc3d4c | 1036 | sv_catpv(t, "FM"); |
a0d0e21e LW |
1037 | break; |
1038 | case SVt_PVIO: | |
46fc3d4c | 1039 | sv_catpv(t, "IO"); |
a0d0e21e | 1040 | break; |
79072805 | 1041 | } |
79072805 | 1042 | |
a0d0e21e | 1043 | if (SvPOKp(sv)) { |
463ee0b2 | 1044 | if (!SvPVX(sv)) |
46fc3d4c | 1045 | sv_catpv(t, "(null)"); |
79072805 | 1046 | if (SvOOK(sv)) |
46fc3d4c | 1047 | sv_catpvf(t, "(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv)); |
79072805 | 1048 | else |
46fc3d4c | 1049 | sv_catpvf(t, "(\"%.127s\")",SvPVX(sv)); |
79072805 | 1050 | } |
bbce6d69 | 1051 | else if (SvNOKp(sv)) { |
36477c24 | 1052 | SET_NUMERIC_STANDARD(); |
46fc3d4c | 1053 | sv_catpvf(t, "(%g)",SvNVX(sv)); |
bbce6d69 | 1054 | } |
a0d0e21e | 1055 | else if (SvIOKp(sv)) |
46fc3d4c | 1056 | sv_catpvf(t, "(%ld)",(long)SvIVX(sv)); |
79072805 | 1057 | else |
46fc3d4c | 1058 | sv_catpv(t, "()"); |
a0d0e21e LW |
1059 | |
1060 | finish: | |
1061 | if (unref) { | |
a0d0e21e | 1062 | while (unref--) |
46fc3d4c | 1063 | sv_catpv(t, ")"); |
a0d0e21e | 1064 | } |
46fc3d4c | 1065 | return SvPV(t, na); |
35ff7856 GS |
1066 | #else /* DEBUGGING */ |
1067 | return ""; | |
1068 | #endif /* DEBUGGING */ | |
79072805 LW |
1069 | } |
1070 | ||
1071 | int | |
8ac85365 | 1072 | sv_backoff(register SV *sv) |
79072805 LW |
1073 | { |
1074 | assert(SvOOK(sv)); | |
463ee0b2 LW |
1075 | if (SvIVX(sv)) { |
1076 | char *s = SvPVX(sv); | |
1077 | SvLEN(sv) += SvIVX(sv); | |
1078 | SvPVX(sv) -= SvIVX(sv); | |
79072805 | 1079 | SvIV_set(sv, 0); |
463ee0b2 | 1080 | Move(s, SvPVX(sv), SvCUR(sv)+1, char); |
79072805 LW |
1081 | } |
1082 | SvFLAGS(sv) &= ~SVf_OOK; | |
a0d0e21e | 1083 | return 0; |
79072805 LW |
1084 | } |
1085 | ||
1086 | char * | |
79072805 | 1087 | #ifndef DOSISH |
f0f333f4 | 1088 | sv_grow(register SV *sv, register I32 newlen) |
79072805 | 1089 | #else |
f0f333f4 | 1090 | sv_grow(SV* sv, unsigned long newlen) |
79072805 LW |
1091 | #endif |
1092 | { | |
1093 | register char *s; | |
1094 | ||
55497cff | 1095 | #ifdef HAS_64K_LIMIT |
79072805 | 1096 | if (newlen >= 0x10000) { |
d1bf51dd | 1097 | PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen); |
79072805 LW |
1098 | my_exit(1); |
1099 | } | |
55497cff | 1100 | #endif /* HAS_64K_LIMIT */ |
a0d0e21e LW |
1101 | if (SvROK(sv)) |
1102 | sv_unref(sv); | |
79072805 LW |
1103 | if (SvTYPE(sv) < SVt_PV) { |
1104 | sv_upgrade(sv, SVt_PV); | |
463ee0b2 | 1105 | s = SvPVX(sv); |
79072805 LW |
1106 | } |
1107 | else if (SvOOK(sv)) { /* pv is offset? */ | |
1108 | sv_backoff(sv); | |
463ee0b2 | 1109 | s = SvPVX(sv); |
79072805 LW |
1110 | if (newlen > SvLEN(sv)) |
1111 | newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */ | |
c6f8c383 GA |
1112 | #ifdef HAS_64K_LIMIT |
1113 | if (newlen >= 0x10000) | |
1114 | newlen = 0xFFFF; | |
1115 | #endif | |
79072805 LW |
1116 | } |
1117 | else | |
463ee0b2 | 1118 | s = SvPVX(sv); |
79072805 | 1119 | if (newlen > SvLEN(sv)) { /* need more room? */ |
8d6dde3e | 1120 | if (SvLEN(sv) && s) { |
c70c8a0a | 1121 | #if defined(MYMALLOC) && !defined(PURIFY) |
8d6dde3e IZ |
1122 | STRLEN l = malloced_size((void*)SvPVX(sv)); |
1123 | if (newlen <= l) { | |
1124 | SvLEN_set(sv, l); | |
1125 | return s; | |
1126 | } else | |
c70c8a0a | 1127 | #endif |
79072805 | 1128 | Renew(s,newlen,char); |
8d6dde3e | 1129 | } |
79072805 LW |
1130 | else |
1131 | New(703,s,newlen,char); | |
1132 | SvPV_set(sv, s); | |
1133 | SvLEN_set(sv, newlen); | |
1134 | } | |
1135 | return s; | |
1136 | } | |
1137 | ||
1138 | void | |
8ac85365 | 1139 | sv_setiv(register SV *sv, IV i) |
79072805 | 1140 | { |
2213622d | 1141 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 LW |
1142 | switch (SvTYPE(sv)) { |
1143 | case SVt_NULL: | |
79072805 | 1144 | sv_upgrade(sv, SVt_IV); |
463ee0b2 LW |
1145 | break; |
1146 | case SVt_NV: | |
1147 | sv_upgrade(sv, SVt_PVNV); | |
1148 | break; | |
ed6116ce | 1149 | case SVt_RV: |
463ee0b2 | 1150 | case SVt_PV: |
79072805 | 1151 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 | 1152 | break; |
a0d0e21e LW |
1153 | |
1154 | case SVt_PVGV: | |
1155 | if (SvFAKE(sv)) { | |
1156 | sv_unglob(sv); | |
1157 | break; | |
1158 | } | |
1159 | /* FALL THROUGH */ | |
1160 | case SVt_PVAV: | |
1161 | case SVt_PVHV: | |
1162 | case SVt_PVCV: | |
1163 | case SVt_PVFM: | |
1164 | case SVt_PVIO: | |
11343788 MB |
1165 | { |
1166 | dTHR; | |
1167 | croak("Can't coerce %s to integer in %s", sv_reftype(sv,0), | |
5dc0d613 | 1168 | op_desc[op->op_type]); |
11343788 | 1169 | } |
463ee0b2 | 1170 | } |
a0d0e21e | 1171 | (void)SvIOK_only(sv); /* validate number */ |
a5f75d66 | 1172 | SvIVX(sv) = i; |
463ee0b2 | 1173 | SvTAINT(sv); |
79072805 LW |
1174 | } |
1175 | ||
1176 | void | |
ef50df4b GS |
1177 | sv_setiv_mg(register SV *sv, IV i) |
1178 | { | |
1179 | sv_setiv(sv,i); | |
1180 | SvSETMAGIC(sv); | |
1181 | } | |
1182 | ||
1183 | void | |
8ac85365 | 1184 | sv_setuv(register SV *sv, UV u) |
55497cff | 1185 | { |
1186 | if (u <= IV_MAX) | |
1187 | sv_setiv(sv, u); | |
1188 | else | |
1189 | sv_setnv(sv, (double)u); | |
1190 | } | |
1191 | ||
1192 | void | |
ef50df4b GS |
1193 | sv_setuv_mg(register SV *sv, UV u) |
1194 | { | |
1195 | sv_setuv(sv,u); | |
1196 | SvSETMAGIC(sv); | |
1197 | } | |
1198 | ||
1199 | void | |
8ac85365 | 1200 | sv_setnv(register SV *sv, double num) |
79072805 | 1201 | { |
2213622d | 1202 | SV_CHECK_THINKFIRST(sv); |
a0d0e21e LW |
1203 | switch (SvTYPE(sv)) { |
1204 | case SVt_NULL: | |
1205 | case SVt_IV: | |
79072805 | 1206 | sv_upgrade(sv, SVt_NV); |
a0d0e21e | 1207 | break; |
a0d0e21e LW |
1208 | case SVt_RV: |
1209 | case SVt_PV: | |
1210 | case SVt_PVIV: | |
79072805 | 1211 | sv_upgrade(sv, SVt_PVNV); |
a0d0e21e | 1212 | break; |
827b7e14 | 1213 | |
a0d0e21e LW |
1214 | case SVt_PVGV: |
1215 | if (SvFAKE(sv)) { | |
1216 | sv_unglob(sv); | |
1217 | break; | |
1218 | } | |
1219 | /* FALL THROUGH */ | |
1220 | case SVt_PVAV: | |
1221 | case SVt_PVHV: | |
1222 | case SVt_PVCV: | |
1223 | case SVt_PVFM: | |
1224 | case SVt_PVIO: | |
11343788 MB |
1225 | { |
1226 | dTHR; | |
1227 | croak("Can't coerce %s to number in %s", sv_reftype(sv,0), | |
1228 | op_name[op->op_type]); | |
1229 | } | |
79072805 | 1230 | } |
463ee0b2 | 1231 | SvNVX(sv) = num; |
a0d0e21e | 1232 | (void)SvNOK_only(sv); /* validate number */ |
463ee0b2 | 1233 | SvTAINT(sv); |
79072805 LW |
1234 | } |
1235 | ||
ef50df4b GS |
1236 | void |
1237 | sv_setnv_mg(register SV *sv, double num) | |
1238 | { | |
1239 | sv_setnv(sv,num); | |
1240 | SvSETMAGIC(sv); | |
1241 | } | |
1242 | ||
76e3520e | 1243 | STATIC void |
8ac85365 | 1244 | not_a_number(SV *sv) |
a0d0e21e | 1245 | { |
11343788 | 1246 | dTHR; |
a0d0e21e LW |
1247 | char tmpbuf[64]; |
1248 | char *d = tmpbuf; | |
1249 | char *s; | |
dc28f22b GA |
1250 | char *limit = tmpbuf + sizeof(tmpbuf) - 8; |
1251 | /* each *s can expand to 4 chars + "...\0", | |
1252 | i.e. need room for 8 chars */ | |
a0d0e21e | 1253 | |
dc28f22b | 1254 | for (s = SvPVX(sv); *s && d < limit; s++) { |
bbce6d69 | 1255 | int ch = *s & 0xFF; |
1256 | if (ch & 128 && !isPRINT_LC(ch)) { | |
a0d0e21e LW |
1257 | *d++ = 'M'; |
1258 | *d++ = '-'; | |
1259 | ch &= 127; | |
1260 | } | |
bbce6d69 | 1261 | if (ch == '\n') { |
1262 | *d++ = '\\'; | |
1263 | *d++ = 'n'; | |
1264 | } | |
1265 | else if (ch == '\r') { | |
1266 | *d++ = '\\'; | |
1267 | *d++ = 'r'; | |
1268 | } | |
1269 | else if (ch == '\f') { | |
1270 | *d++ = '\\'; | |
1271 | *d++ = 'f'; | |
1272 | } | |
1273 | else if (ch == '\\') { | |
1274 | *d++ = '\\'; | |
1275 | *d++ = '\\'; | |
1276 | } | |
1277 | else if (isPRINT_LC(ch)) | |
a0d0e21e LW |
1278 | *d++ = ch; |
1279 | else { | |
1280 | *d++ = '^'; | |
bbce6d69 | 1281 | *d++ = toCTRL(ch); |
a0d0e21e LW |
1282 | } |
1283 | } | |
1284 | if (*s) { | |
1285 | *d++ = '.'; | |
1286 | *d++ = '.'; | |
1287 | *d++ = '.'; | |
1288 | } | |
1289 | *d = '\0'; | |
1290 | ||
1291 | if (op) | |
c07a80fd | 1292 | warn("Argument \"%s\" isn't numeric in %s", tmpbuf, |
a0d0e21e LW |
1293 | op_name[op->op_type]); |
1294 | else | |
1295 | warn("Argument \"%s\" isn't numeric", tmpbuf); | |
1296 | } | |
1297 | ||
1298 | IV | |
8ac85365 | 1299 | sv_2iv(register SV *sv) |
79072805 LW |
1300 | { |
1301 | if (!sv) | |
1302 | return 0; | |
8990e307 | 1303 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1304 | mg_get(sv); |
1305 | if (SvIOKp(sv)) | |
1306 | return SvIVX(sv); | |
748a9306 LW |
1307 | if (SvNOKp(sv)) { |
1308 | if (SvNVX(sv) < 0.0) | |
1309 | return I_V(SvNVX(sv)); | |
1310 | else | |
5d94fbed | 1311 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1312 | } |
36477c24 | 1313 | if (SvPOKp(sv) && SvLEN(sv)) |
1314 | return asIV(sv); | |
3fe9a6f1 | 1315 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1316 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1317 | dTHR; | |
1318 | if (!localizing) | |
1319 | warn(warn_uninit); | |
1320 | } | |
36477c24 | 1321 | return 0; |
3fe9a6f1 | 1322 | } |
463ee0b2 | 1323 | } |
ed6116ce | 1324 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1325 | if (SvROK(sv)) { |
1326 | #ifdef OVERLOAD | |
1327 | SV* tmpstr; | |
1328 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1329 | return SvIV(tmpstr); | |
1330 | #endif /* OVERLOAD */ | |
1331 | return (IV)SvRV(sv); | |
1332 | } | |
ed6116ce | 1333 | if (SvREADONLY(sv)) { |
748a9306 LW |
1334 | if (SvNOKp(sv)) { |
1335 | if (SvNVX(sv) < 0.0) | |
1336 | return I_V(SvNVX(sv)); | |
1337 | else | |
5d94fbed | 1338 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1339 | } |
36477c24 | 1340 | if (SvPOKp(sv) && SvLEN(sv)) |
1341 | return asIV(sv); | |
ed6116ce | 1342 | if (dowarn) |
8990e307 | 1343 | warn(warn_uninit); |
ed6116ce LW |
1344 | return 0; |
1345 | } | |
79072805 | 1346 | } |
463ee0b2 | 1347 | switch (SvTYPE(sv)) { |
463ee0b2 | 1348 | case SVt_NULL: |
79072805 | 1349 | sv_upgrade(sv, SVt_IV); |
8ebc5c01 | 1350 | break; |
463ee0b2 | 1351 | case SVt_PV: |
79072805 | 1352 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 LW |
1353 | break; |
1354 | case SVt_NV: | |
1355 | sv_upgrade(sv, SVt_PVNV); | |
1356 | break; | |
1357 | } | |
748a9306 | 1358 | if (SvNOKp(sv)) { |
a5f75d66 | 1359 | (void)SvIOK_on(sv); |
748a9306 LW |
1360 | if (SvNVX(sv) < 0.0) |
1361 | SvIVX(sv) = I_V(SvNVX(sv)); | |
1362 | else | |
ff68c719 | 1363 | SvUVX(sv) = U_V(SvNVX(sv)); |
748a9306 LW |
1364 | } |
1365 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
a5f75d66 | 1366 | (void)SvIOK_on(sv); |
36477c24 | 1367 | SvIVX(sv) = asIV(sv); |
93a17b20 | 1368 | } |
79072805 | 1369 | else { |
11343788 | 1370 | dTHR; |
91bba347 | 1371 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1372 | warn(warn_uninit); |
a0d0e21e | 1373 | return 0; |
79072805 | 1374 | } |
760ac839 | 1375 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n", |
a0d0e21e | 1376 | (unsigned long)sv,(long)SvIVX(sv))); |
463ee0b2 | 1377 | return SvIVX(sv); |
79072805 LW |
1378 | } |
1379 | ||
ff68c719 | 1380 | UV |
8ac85365 | 1381 | sv_2uv(register SV *sv) |
ff68c719 | 1382 | { |
1383 | if (!sv) | |
1384 | return 0; | |
1385 | if (SvGMAGICAL(sv)) { | |
1386 | mg_get(sv); | |
1387 | if (SvIOKp(sv)) | |
1388 | return SvUVX(sv); | |
1389 | if (SvNOKp(sv)) | |
1390 | return U_V(SvNVX(sv)); | |
36477c24 | 1391 | if (SvPOKp(sv) && SvLEN(sv)) |
1392 | return asUV(sv); | |
3fe9a6f1 | 1393 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1394 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1395 | dTHR; | |
1396 | if (!localizing) | |
1397 | warn(warn_uninit); | |
1398 | } | |
36477c24 | 1399 | return 0; |
3fe9a6f1 | 1400 | } |
ff68c719 | 1401 | } |
1402 | if (SvTHINKFIRST(sv)) { | |
1403 | if (SvROK(sv)) { | |
1404 | #ifdef OVERLOAD | |
1405 | SV* tmpstr; | |
1406 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1407 | return SvUV(tmpstr); | |
1408 | #endif /* OVERLOAD */ | |
1409 | return (UV)SvRV(sv); | |
1410 | } | |
1411 | if (SvREADONLY(sv)) { | |
1412 | if (SvNOKp(sv)) { | |
1413 | return U_V(SvNVX(sv)); | |
1414 | } | |
36477c24 | 1415 | if (SvPOKp(sv) && SvLEN(sv)) |
1416 | return asUV(sv); | |
ff68c719 | 1417 | if (dowarn) |
1418 | warn(warn_uninit); | |
1419 | return 0; | |
1420 | } | |
1421 | } | |
1422 | switch (SvTYPE(sv)) { | |
1423 | case SVt_NULL: | |
1424 | sv_upgrade(sv, SVt_IV); | |
8ebc5c01 | 1425 | break; |
ff68c719 | 1426 | case SVt_PV: |
1427 | sv_upgrade(sv, SVt_PVIV); | |
1428 | break; | |
1429 | case SVt_NV: | |
1430 | sv_upgrade(sv, SVt_PVNV); | |
1431 | break; | |
1432 | } | |
1433 | if (SvNOKp(sv)) { | |
1434 | (void)SvIOK_on(sv); | |
1435 | SvUVX(sv) = U_V(SvNVX(sv)); | |
1436 | } | |
1437 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
ff68c719 | 1438 | (void)SvIOK_on(sv); |
36477c24 | 1439 | SvUVX(sv) = asUV(sv); |
ff68c719 | 1440 | } |
1441 | else { | |
c6ee37c5 MB |
1442 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1443 | dTHR; | |
1444 | if (!localizing) | |
1445 | warn(warn_uninit); | |
1446 | } | |
ff68c719 | 1447 | return 0; |
1448 | } | |
1449 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n", | |
1450 | (unsigned long)sv,SvUVX(sv))); | |
1451 | return SvUVX(sv); | |
1452 | } | |
1453 | ||
79072805 | 1454 | double |
8ac85365 | 1455 | sv_2nv(register SV *sv) |
79072805 LW |
1456 | { |
1457 | if (!sv) | |
1458 | return 0.0; | |
8990e307 | 1459 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1460 | mg_get(sv); |
1461 | if (SvNOKp(sv)) | |
1462 | return SvNVX(sv); | |
a0d0e21e | 1463 | if (SvPOKp(sv) && SvLEN(sv)) { |
748a9306 | 1464 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1465 | not_a_number(sv); |
36477c24 | 1466 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1467 | return atof(SvPVX(sv)); |
a0d0e21e | 1468 | } |
463ee0b2 LW |
1469 | if (SvIOKp(sv)) |
1470 | return (double)SvIVX(sv); | |
16d20bd9 | 1471 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1472 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1473 | dTHR; | |
1474 | if (!localizing) | |
1475 | warn(warn_uninit); | |
1476 | } | |
16d20bd9 AD |
1477 | return 0; |
1478 | } | |
463ee0b2 | 1479 | } |
ed6116ce | 1480 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1481 | if (SvROK(sv)) { |
1482 | #ifdef OVERLOAD | |
1483 | SV* tmpstr; | |
1484 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer))) | |
1485 | return SvNV(tmpstr); | |
1486 | #endif /* OVERLOAD */ | |
1487 | return (double)(unsigned long)SvRV(sv); | |
1488 | } | |
ed6116ce | 1489 | if (SvREADONLY(sv)) { |
748a9306 LW |
1490 | if (SvPOKp(sv) && SvLEN(sv)) { |
1491 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) | |
a0d0e21e | 1492 | not_a_number(sv); |
36477c24 | 1493 | SET_NUMERIC_STANDARD(); |
ed6116ce | 1494 | return atof(SvPVX(sv)); |
a0d0e21e | 1495 | } |
748a9306 | 1496 | if (SvIOKp(sv)) |
8990e307 | 1497 | return (double)SvIVX(sv); |
ed6116ce | 1498 | if (dowarn) |
8990e307 | 1499 | warn(warn_uninit); |
ed6116ce LW |
1500 | return 0.0; |
1501 | } | |
79072805 LW |
1502 | } |
1503 | if (SvTYPE(sv) < SVt_NV) { | |
463ee0b2 LW |
1504 | if (SvTYPE(sv) == SVt_IV) |
1505 | sv_upgrade(sv, SVt_PVNV); | |
1506 | else | |
1507 | sv_upgrade(sv, SVt_NV); | |
36477c24 | 1508 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1509 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1510 | "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
79072805 LW |
1511 | } |
1512 | else if (SvTYPE(sv) < SVt_PVNV) | |
1513 | sv_upgrade(sv, SVt_PVNV); | |
748a9306 LW |
1514 | if (SvIOKp(sv) && |
1515 | (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv))) | |
93a17b20 | 1516 | { |
463ee0b2 | 1517 | SvNVX(sv) = (double)SvIVX(sv); |
93a17b20 | 1518 | } |
748a9306 LW |
1519 | else if (SvPOKp(sv) && SvLEN(sv)) { |
1520 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) | |
a0d0e21e | 1521 | not_a_number(sv); |
36477c24 | 1522 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1523 | SvNVX(sv) = atof(SvPVX(sv)); |
93a17b20 | 1524 | } |
79072805 | 1525 | else { |
11343788 | 1526 | dTHR; |
91bba347 | 1527 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1528 | warn(warn_uninit); |
a0d0e21e | 1529 | return 0.0; |
79072805 LW |
1530 | } |
1531 | SvNOK_on(sv); | |
36477c24 | 1532 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1533 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1534 | "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
463ee0b2 | 1535 | return SvNVX(sv); |
79072805 LW |
1536 | } |
1537 | ||
76e3520e | 1538 | STATIC IV |
8ac85365 | 1539 | asIV(SV *sv) |
36477c24 | 1540 | { |
1541 | I32 numtype = looks_like_number(sv); | |
1542 | double d; | |
1543 | ||
1544 | if (numtype == 1) | |
1545 | return atol(SvPVX(sv)); | |
1546 | if (!numtype && dowarn) | |
1547 | not_a_number(sv); | |
1548 | SET_NUMERIC_STANDARD(); | |
1549 | d = atof(SvPVX(sv)); | |
1550 | if (d < 0.0) | |
1551 | return I_V(d); | |
1552 | else | |
1553 | return (IV) U_V(d); | |
1554 | } | |
1555 | ||
76e3520e | 1556 | STATIC UV |
8ac85365 | 1557 | asUV(SV *sv) |
36477c24 | 1558 | { |
1559 | I32 numtype = looks_like_number(sv); | |
1560 | ||
84902520 | 1561 | #ifdef HAS_STRTOUL |
36477c24 | 1562 | if (numtype == 1) |
84902520 TB |
1563 | return strtoul(SvPVX(sv), Null(char**), 10); |
1564 | #endif | |
36477c24 | 1565 | if (!numtype && dowarn) |
1566 | not_a_number(sv); | |
1567 | SET_NUMERIC_STANDARD(); | |
1568 | return U_V(atof(SvPVX(sv))); | |
1569 | } | |
1570 | ||
1571 | I32 | |
8ac85365 | 1572 | looks_like_number(SV *sv) |
36477c24 | 1573 | { |
1574 | register char *s; | |
1575 | register char *send; | |
1576 | register char *sbegin; | |
ff0cee69 | 1577 | I32 numtype; |
36477c24 | 1578 | STRLEN len; |
1579 | ||
1580 | if (SvPOK(sv)) { | |
1581 | sbegin = SvPVX(sv); | |
1582 | len = SvCUR(sv); | |
1583 | } | |
1584 | else if (SvPOKp(sv)) | |
1585 | sbegin = SvPV(sv, len); | |
1586 | else | |
1587 | return 1; | |
1588 | send = sbegin + len; | |
1589 | ||
1590 | s = sbegin; | |
1591 | while (isSPACE(*s)) | |
1592 | s++; | |
36477c24 | 1593 | if (*s == '+' || *s == '-') |
1594 | s++; | |
ff0cee69 | 1595 | |
1596 | /* next must be digit or '.' */ | |
1597 | if (isDIGIT(*s)) { | |
1598 | do { | |
1599 | s++; | |
1600 | } while (isDIGIT(*s)); | |
1601 | if (*s == '.') { | |
1602 | s++; | |
1603 | while (isDIGIT(*s)) /* optional digits after "." */ | |
1604 | s++; | |
1605 | } | |
36477c24 | 1606 | } |
ff0cee69 | 1607 | else if (*s == '.') { |
1608 | s++; | |
1609 | /* no digits before '.' means we need digits after it */ | |
1610 | if (isDIGIT(*s)) { | |
1611 | do { | |
1612 | s++; | |
1613 | } while (isDIGIT(*s)); | |
1614 | } | |
1615 | else | |
1616 | return 0; | |
1617 | } | |
1618 | else | |
1619 | return 0; | |
1620 | ||
1621 | /* | |
1622 | * we return 1 if the number can be converted to _integer_ with atol() | |
1623 | * and 2 if you need (int)atof(). | |
1624 | */ | |
1625 | numtype = 1; | |
1626 | ||
1627 | /* we can have an optional exponent part */ | |
36477c24 | 1628 | if (*s == 'e' || *s == 'E') { |
1629 | numtype = 2; | |
1630 | s++; | |
1631 | if (*s == '+' || *s == '-') | |
1632 | s++; | |
ff0cee69 | 1633 | if (isDIGIT(*s)) { |
1634 | do { | |
1635 | s++; | |
1636 | } while (isDIGIT(*s)); | |
1637 | } | |
1638 | else | |
1639 | return 0; | |
36477c24 | 1640 | } |
1641 | while (isSPACE(*s)) | |
1642 | s++; | |
1643 | if (s >= send) | |
1644 | return numtype; | |
1645 | if (len == 10 && memEQ(sbegin, "0 but true", 10)) | |
1646 | return 1; | |
1647 | return 0; | |
1648 | } | |
1649 | ||
79072805 | 1650 | char * |
8ac85365 | 1651 | sv_2pv(register SV *sv, STRLEN *lp) |
79072805 LW |
1652 | { |
1653 | register char *s; | |
1654 | int olderrno; | |
46fc3d4c | 1655 | SV *tsv; |
96827780 | 1656 | char tmpbuf[64]; /* Must fit sprintf/Gconvert of longest IV/NV */ |
79072805 | 1657 | |
463ee0b2 LW |
1658 | if (!sv) { |
1659 | *lp = 0; | |
1660 | return ""; | |
1661 | } | |
8990e307 | 1662 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1663 | mg_get(sv); |
1664 | if (SvPOKp(sv)) { | |
1665 | *lp = SvCUR(sv); | |
1666 | return SvPVX(sv); | |
1667 | } | |
1668 | if (SvIOKp(sv)) { | |
96827780 | 1669 | (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv)); |
46fc3d4c | 1670 | tsv = Nullsv; |
a0d0e21e | 1671 | goto tokensave; |
463ee0b2 LW |
1672 | } |
1673 | if (SvNOKp(sv)) { | |
36477c24 | 1674 | SET_NUMERIC_STANDARD(); |
96827780 | 1675 | Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf); |
46fc3d4c | 1676 | tsv = Nullsv; |
a0d0e21e | 1677 | goto tokensave; |
463ee0b2 | 1678 | } |
16d20bd9 | 1679 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1680 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1681 | dTHR; | |
1682 | if (!localizing) | |
1683 | warn(warn_uninit); | |
1684 | } | |
16d20bd9 AD |
1685 | *lp = 0; |
1686 | return ""; | |
1687 | } | |
463ee0b2 | 1688 | } |
ed6116ce LW |
1689 | if (SvTHINKFIRST(sv)) { |
1690 | if (SvROK(sv)) { | |
a0d0e21e LW |
1691 | #ifdef OVERLOAD |
1692 | SV* tmpstr; | |
1693 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string))) | |
1694 | return SvPV(tmpstr,*lp); | |
1695 | #endif /* OVERLOAD */ | |
ed6116ce LW |
1696 | sv = (SV*)SvRV(sv); |
1697 | if (!sv) | |
1698 | s = "NULLREF"; | |
1699 | else { | |
f9277f47 IZ |
1700 | MAGIC *mg; |
1701 | ||
ed6116ce | 1702 | switch (SvTYPE(sv)) { |
f9277f47 IZ |
1703 | case SVt_PVMG: |
1704 | if ( ((SvFLAGS(sv) & | |
1705 | (SVs_OBJECT|SVf_OK|SVs_GMG|SVs_SMG|SVs_RMG)) | |
3149a8e4 | 1706 | == (SVs_OBJECT|SVs_RMG)) |
f9277f47 IZ |
1707 | && strEQ(s=HvNAME(SvSTASH(sv)), "Regexp") |
1708 | && (mg = mg_find(sv, 'r'))) { | |
5c0ca799 | 1709 | dTHR; |
2cd61cdb | 1710 | regexp *re = (regexp *)mg->mg_obj; |
1bd3ad17 | 1711 | |
2cd61cdb | 1712 | if (!mg->mg_ptr) { |
8782bef2 GB |
1713 | char *fptr = "msix"; |
1714 | char reflags[6]; | |
1715 | char ch; | |
1716 | int left = 0; | |
1717 | int right = 4; | |
1718 | U16 reganch = (re->reganch & PMf_COMPILETIME) >> 12; | |
1719 | ||
1720 | while(ch = *fptr++) { | |
1721 | if(reganch & 1) { | |
1722 | reflags[left++] = ch; | |
1723 | } | |
1724 | else { | |
1725 | reflags[right--] = ch; | |
1726 | } | |
1727 | reganch >>= 1; | |
1728 | } | |
1729 | if(left != 4) { | |
1730 | reflags[left] = '-'; | |
1731 | left = 5; | |
1732 | } | |
1733 | ||
1734 | mg->mg_len = re->prelen + 4 + left; | |
1735 | New(616, mg->mg_ptr, mg->mg_len + 1 + left, char); | |
1736 | Copy("(?", mg->mg_ptr, 2, char); | |
1737 | Copy(reflags, mg->mg_ptr+2, left, char); | |
1738 | Copy(":", mg->mg_ptr+left+2, 1, char); | |
1739 | Copy(re->precomp, mg->mg_ptr+3+left, re->prelen, char); | |
1bd3ad17 IZ |
1740 | mg->mg_ptr[mg->mg_len - 1] = ')'; |
1741 | mg->mg_ptr[mg->mg_len] = 0; | |
1742 | } | |
2cd61cdb | 1743 | reginterp_cnt += re->program[0].next_off; |
1bd3ad17 IZ |
1744 | *lp = mg->mg_len; |
1745 | return mg->mg_ptr; | |
f9277f47 IZ |
1746 | } |
1747 | /* Fall through */ | |
ed6116ce LW |
1748 | case SVt_NULL: |
1749 | case SVt_IV: | |
1750 | case SVt_NV: | |
1751 | case SVt_RV: | |
1752 | case SVt_PV: | |
1753 | case SVt_PVIV: | |
1754 | case SVt_PVNV: | |
f9277f47 | 1755 | case SVt_PVBM: s = "SCALAR"; break; |
ed6116ce LW |
1756 | case SVt_PVLV: s = "LVALUE"; break; |
1757 | case SVt_PVAV: s = "ARRAY"; break; | |
1758 | case SVt_PVHV: s = "HASH"; break; | |
1759 | case SVt_PVCV: s = "CODE"; break; | |
1760 | case SVt_PVGV: s = "GLOB"; break; | |
1d2dff63 | 1761 | case SVt_PVFM: s = "FORMAT"; break; |
36477c24 | 1762 | case SVt_PVIO: s = "IO"; break; |
ed6116ce LW |
1763 | default: s = "UNKNOWN"; break; |
1764 | } | |
46fc3d4c | 1765 | tsv = NEWSV(0,0); |
ed6116ce | 1766 | if (SvOBJECT(sv)) |
46fc3d4c | 1767 | sv_setpvf(tsv, "%s=%s", HvNAME(SvSTASH(sv)), s); |
ed6116ce | 1768 | else |
46fc3d4c | 1769 | sv_setpv(tsv, s); |
1770 | sv_catpvf(tsv, "(0x%lx)", (unsigned long)sv); | |
a0d0e21e | 1771 | goto tokensaveref; |
463ee0b2 | 1772 | } |
ed6116ce LW |
1773 | *lp = strlen(s); |
1774 | return s; | |
79072805 | 1775 | } |
ed6116ce | 1776 | if (SvREADONLY(sv)) { |
748a9306 | 1777 | if (SvNOKp(sv)) { |
36477c24 | 1778 | SET_NUMERIC_STANDARD(); |
96827780 | 1779 | Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf); |
46fc3d4c | 1780 | tsv = Nullsv; |
a0d0e21e | 1781 | goto tokensave; |
ed6116ce | 1782 | } |
8bb9dbe4 | 1783 | if (SvIOKp(sv)) { |
96827780 | 1784 | (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv)); |
46fc3d4c | 1785 | tsv = Nullsv; |
8bb9dbe4 LW |
1786 | goto tokensave; |
1787 | } | |
ed6116ce | 1788 | if (dowarn) |
8990e307 | 1789 | warn(warn_uninit); |
ed6116ce LW |
1790 | *lp = 0; |
1791 | return ""; | |
79072805 | 1792 | } |
79072805 | 1793 | } |
c6f8c383 | 1794 | (void)SvUPGRADE(sv, SVt_PV); |
748a9306 | 1795 | if (SvNOKp(sv)) { |
79072805 LW |
1796 | if (SvTYPE(sv) < SVt_PVNV) |
1797 | sv_upgrade(sv, SVt_PVNV); | |
1798 | SvGROW(sv, 28); | |
463ee0b2 | 1799 | s = SvPVX(sv); |
79072805 | 1800 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
79072805 | 1801 | #ifdef apollo |
463ee0b2 | 1802 | if (SvNVX(sv) == 0.0) |
79072805 LW |
1803 | (void)strcpy(s,"0"); |
1804 | else | |
1805 | #endif /*apollo*/ | |
bbce6d69 | 1806 | { |
36477c24 | 1807 | SET_NUMERIC_STANDARD(); |
a0d0e21e | 1808 | Gconvert(SvNVX(sv), DBL_DIG, 0, s); |
bbce6d69 | 1809 | } |
79072805 | 1810 | errno = olderrno; |
a0d0e21e LW |
1811 | #ifdef FIXNEGATIVEZERO |
1812 | if (*s == '-' && s[1] == '0' && !s[2]) | |
1813 | strcpy(s,"0"); | |
1814 | #endif | |
79072805 LW |
1815 | while (*s) s++; |
1816 | #ifdef hcx | |
1817 | if (s[-1] == '.') | |
46fc3d4c | 1818 | *--s = '\0'; |
79072805 LW |
1819 | #endif |
1820 | } | |
748a9306 | 1821 | else if (SvIOKp(sv)) { |
64f14228 | 1822 | U32 oldIOK = SvIOK(sv); |
79072805 LW |
1823 | if (SvTYPE(sv) < SVt_PVIV) |
1824 | sv_upgrade(sv, SVt_PVIV); | |
79072805 | 1825 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
84902520 | 1826 | sv_setpviv(sv, SvIVX(sv)); |
79072805 | 1827 | errno = olderrno; |
46fc3d4c | 1828 | s = SvEND(sv); |
64f14228 GA |
1829 | if (oldIOK) |
1830 | SvIOK_on(sv); | |
1831 | else | |
1832 | SvIOKp_on(sv); | |
79072805 LW |
1833 | } |
1834 | else { | |
11343788 | 1835 | dTHR; |
91bba347 | 1836 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1837 | warn(warn_uninit); |
a0d0e21e LW |
1838 | *lp = 0; |
1839 | return ""; | |
79072805 | 1840 | } |
463ee0b2 LW |
1841 | *lp = s - SvPVX(sv); |
1842 | SvCUR_set(sv, *lp); | |
79072805 | 1843 | SvPOK_on(sv); |
760ac839 | 1844 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv))); |
463ee0b2 | 1845 | return SvPVX(sv); |
a0d0e21e LW |
1846 | |
1847 | tokensave: | |
1848 | if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */ | |
1849 | /* Sneaky stuff here */ | |
1850 | ||
1851 | tokensaveref: | |
46fc3d4c | 1852 | if (!tsv) |
96827780 | 1853 | tsv = newSVpv(tmpbuf, 0); |
46fc3d4c | 1854 | sv_2mortal(tsv); |
1855 | *lp = SvCUR(tsv); | |
1856 | return SvPVX(tsv); | |
a0d0e21e LW |
1857 | } |
1858 | else { | |
1859 | STRLEN len; | |
46fc3d4c | 1860 | char *t; |
1861 | ||
1862 | if (tsv) { | |
1863 | sv_2mortal(tsv); | |
1864 | t = SvPVX(tsv); | |
1865 | len = SvCUR(tsv); | |
1866 | } | |
1867 | else { | |
96827780 MB |
1868 | t = tmpbuf; |
1869 | len = strlen(tmpbuf); | |
46fc3d4c | 1870 | } |
a0d0e21e | 1871 | #ifdef FIXNEGATIVEZERO |
46fc3d4c | 1872 | if (len == 2 && t[0] == '-' && t[1] == '0') { |
1873 | t = "0"; | |
1874 | len = 1; | |
1875 | } | |
a0d0e21e LW |
1876 | #endif |
1877 | (void)SvUPGRADE(sv, SVt_PV); | |
46fc3d4c | 1878 | *lp = len; |
a0d0e21e LW |
1879 | s = SvGROW(sv, len + 1); |
1880 | SvCUR_set(sv, len); | |
46fc3d4c | 1881 | (void)strcpy(s, t); |
6bf554b4 | 1882 | SvPOKp_on(sv); |
a0d0e21e LW |
1883 | return s; |
1884 | } | |
463ee0b2 LW |
1885 | } |
1886 | ||
1887 | /* This function is only called on magical items */ | |
1888 | bool | |
8ac85365 | 1889 | sv_2bool(register SV *sv) |
463ee0b2 | 1890 | { |
8990e307 | 1891 | if (SvGMAGICAL(sv)) |
463ee0b2 LW |
1892 | mg_get(sv); |
1893 | ||
a0d0e21e LW |
1894 | if (!SvOK(sv)) |
1895 | return 0; | |
1896 | if (SvROK(sv)) { | |
1897 | #ifdef OVERLOAD | |
1898 | { | |
11343788 | 1899 | dTHR; |
a0d0e21e LW |
1900 | SV* tmpsv; |
1901 | if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_))) | |
1902 | return SvTRUE(tmpsv); | |
1903 | } | |
1904 | #endif /* OVERLOAD */ | |
1905 | return SvRV(sv) != 0; | |
1906 | } | |
463ee0b2 | 1907 | if (SvPOKp(sv)) { |
11343788 MB |
1908 | register XPV* Xpvtmp; |
1909 | if ((Xpvtmp = (XPV*)SvANY(sv)) && | |
1910 | (*Xpvtmp->xpv_pv > '0' || | |
1911 | Xpvtmp->xpv_cur > 1 || | |
1912 | (Xpvtmp->xpv_cur && *Xpvtmp->xpv_pv != '0'))) | |
463ee0b2 LW |
1913 | return 1; |
1914 | else | |
1915 | return 0; | |
1916 | } | |
1917 | else { | |
1918 | if (SvIOKp(sv)) | |
1919 | return SvIVX(sv) != 0; | |
1920 | else { | |
1921 | if (SvNOKp(sv)) | |
1922 | return SvNVX(sv) != 0.0; | |
1923 | else | |
1924 | return FALSE; | |
1925 | } | |
1926 | } | |
79072805 LW |
1927 | } |
1928 | ||
1929 | /* Note: sv_setsv() should not be called with a source string that needs | |
463ee0b2 | 1930 | * to be reused, since it may destroy the source string if it is marked |
79072805 LW |
1931 | * as temporary. |
1932 | */ | |
1933 | ||
1934 | void | |
8ac85365 | 1935 | sv_setsv(SV *dstr, register SV *sstr) |
79072805 | 1936 | { |
11343788 | 1937 | dTHR; |
8990e307 LW |
1938 | register U32 sflags; |
1939 | register int dtype; | |
1940 | register int stype; | |
463ee0b2 | 1941 | |
79072805 LW |
1942 | if (sstr == dstr) |
1943 | return; | |
2213622d | 1944 | SV_CHECK_THINKFIRST(dstr); |
79072805 LW |
1945 | if (!sstr) |
1946 | sstr = &sv_undef; | |
8990e307 LW |
1947 | stype = SvTYPE(sstr); |
1948 | dtype = SvTYPE(dstr); | |
79072805 | 1949 | |
8e07c86e AD |
1950 | if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) { |
1951 | sv_unglob(dstr); /* so fake GLOB won't perpetuate */ | |
4633a7c4 LW |
1952 | sv_setpvn(dstr, "", 0); |
1953 | (void)SvPOK_only(dstr); | |
8e07c86e AD |
1954 | dtype = SvTYPE(dstr); |
1955 | } | |
1956 | ||
a0d0e21e LW |
1957 | #ifdef OVERLOAD |
1958 | SvAMAGIC_off(dstr); | |
1959 | #endif /* OVERLOAD */ | |
463ee0b2 | 1960 | /* There's a lot of redundancy below but we're going for speed here */ |
79072805 | 1961 | |
8990e307 | 1962 | switch (stype) { |
79072805 | 1963 | case SVt_NULL: |
aece5585 | 1964 | undef_sstr: |
20408e3c GS |
1965 | if (dtype != SVt_PVGV) { |
1966 | (void)SvOK_off(dstr); | |
1967 | return; | |
1968 | } | |
1969 | break; | |
463ee0b2 | 1970 | case SVt_IV: |
aece5585 GA |
1971 | if (SvIOK(sstr)) { |
1972 | switch (dtype) { | |
1973 | case SVt_NULL: | |
8990e307 | 1974 | sv_upgrade(dstr, SVt_IV); |
aece5585 GA |
1975 | break; |
1976 | case SVt_NV: | |
8990e307 | 1977 | sv_upgrade(dstr, SVt_PVNV); |
aece5585 GA |
1978 | break; |
1979 | case SVt_RV: | |
1980 | case SVt_PV: | |
a0d0e21e | 1981 | sv_upgrade(dstr, SVt_PVIV); |
aece5585 GA |
1982 | break; |
1983 | } | |
1984 | (void)SvIOK_only(dstr); | |
1985 | SvIVX(dstr) = SvIVX(sstr); | |
1986 | SvTAINT(dstr); | |
1987 | return; | |
8990e307 | 1988 | } |
aece5585 GA |
1989 | goto undef_sstr; |
1990 | ||
463ee0b2 | 1991 | case SVt_NV: |
aece5585 GA |
1992 | if (SvNOK(sstr)) { |
1993 | switch (dtype) { | |
1994 | case SVt_NULL: | |
1995 | case SVt_IV: | |
8990e307 | 1996 | sv_upgrade(dstr, SVt_NV); |
aece5585 GA |
1997 | break; |
1998 | case SVt_RV: | |
1999 | case SVt_PV: | |
2000 | case SVt_PVIV: | |
a0d0e21e | 2001 | sv_upgrade(dstr, SVt_PVNV); |
aece5585 GA |
2002 | break; |
2003 | } | |
2004 | SvNVX(dstr) = SvNVX(sstr); | |
2005 | (void)SvNOK_only(dstr); | |
2006 | SvTAINT(dstr); | |
2007 | return; | |
8990e307 | 2008 | } |
aece5585 GA |
2009 | goto undef_sstr; |
2010 | ||
ed6116ce | 2011 | case SVt_RV: |
8990e307 | 2012 | if (dtype < SVt_RV) |
ed6116ce | 2013 | sv_upgrade(dstr, SVt_RV); |
c07a80fd | 2014 | else if (dtype == SVt_PVGV && |
2015 | SvTYPE(SvRV(sstr)) == SVt_PVGV) { | |
2016 | sstr = SvRV(sstr); | |
a5f75d66 AD |
2017 | if (sstr == dstr) { |
2018 | if (curcop->cop_stash != GvSTASH(dstr)) | |
2019 | GvIMPORTED_on(dstr); | |
2020 | GvMULTI_on(dstr); | |
2021 | return; | |
2022 | } | |
c07a80fd | 2023 | goto glob_assign; |
2024 | } | |
ed6116ce | 2025 | break; |
463ee0b2 | 2026 | case SVt_PV: |
fc36a67e | 2027 | case SVt_PVFM: |
8990e307 | 2028 | if (dtype < SVt_PV) |
463ee0b2 | 2029 | sv_upgrade(dstr, SVt_PV); |
463ee0b2 LW |
2030 | break; |
2031 | case SVt_PVIV: | |
8990e307 | 2032 | if (dtype < SVt_PVIV) |
463ee0b2 | 2033 | sv_upgrade(dstr, SVt_PVIV); |
463ee0b2 LW |
2034 | break; |
2035 | case SVt_PVNV: | |
8990e307 | 2036 | if (dtype < SVt_PVNV) |
463ee0b2 | 2037 | sv_upgrade(dstr, SVt_PVNV); |
463ee0b2 | 2038 | break; |
4633a7c4 LW |
2039 | case SVt_PVAV: |
2040 | case SVt_PVHV: | |
2041 | case SVt_PVCV: | |
4633a7c4 LW |
2042 | case SVt_PVIO: |
2043 | if (op) | |
2044 | croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0), | |
2045 | op_name[op->op_type]); | |
2046 | else | |
2047 | croak("Bizarre copy of %s", sv_reftype(sstr, 0)); | |
2048 | break; | |
2049 | ||
79072805 | 2050 | case SVt_PVGV: |
8990e307 | 2051 | if (dtype <= SVt_PVGV) { |
c07a80fd | 2052 | glob_assign: |
a5f75d66 | 2053 | if (dtype != SVt_PVGV) { |
a0d0e21e LW |
2054 | char *name = GvNAME(sstr); |
2055 | STRLEN len = GvNAMELEN(sstr); | |
463ee0b2 | 2056 | sv_upgrade(dstr, SVt_PVGV); |
a0d0e21e | 2057 | sv_magic(dstr, dstr, '*', name, len); |
85aff577 | 2058 | GvSTASH(dstr) = (HV*)SvREFCNT_inc(GvSTASH(sstr)); |
a0d0e21e LW |
2059 | GvNAME(dstr) = savepvn(name, len); |
2060 | GvNAMELEN(dstr) = len; | |
2061 | SvFAKE_on(dstr); /* can coerce to non-glob */ | |
2062 | } | |
7bac28a0 | 2063 | /* ahem, death to those who redefine active sort subs */ |
e788e7d3 | 2064 | else if (curstackinfo->si_type == PERLSI_SORT |
7bac28a0 | 2065 | && GvCV(dstr) && sortcop == CvSTART(GvCV(dstr))) |
2066 | croak("Can't redefine active sort subroutine %s", | |
2067 | GvNAME(dstr)); | |
a0d0e21e | 2068 | (void)SvOK_off(dstr); |
a5f75d66 | 2069 | GvINTRO_off(dstr); /* one-shot flag */ |
1edc1566 | 2070 | gp_free((GV*)dstr); |
79072805 | 2071 | GvGP(dstr) = gp_ref(GvGP(sstr)); |
8990e307 | 2072 | SvTAINT(dstr); |
a5f75d66 AD |
2073 | if (curcop->cop_stash != GvSTASH(dstr)) |
2074 | GvIMPORTED_on(dstr); | |
2075 | GvMULTI_on(dstr); | |
79072805 LW |
2076 | return; |
2077 | } | |
2078 | /* FALL THROUGH */ | |
2079 | ||
2080 | default: | |
973f89ab CS |
2081 | if (SvGMAGICAL(sstr)) { |
2082 | mg_get(sstr); | |
2083 | if (SvTYPE(sstr) != stype) { | |
2084 | stype = SvTYPE(sstr); | |
2085 | if (stype == SVt_PVGV && dtype <= SVt_PVGV) | |
2086 | goto glob_assign; | |
2087 | } | |
2088 | } | |
ded42b9f CS |
2089 | if (stype == SVt_PVLV) |
2090 | SvUPGRADE(dstr, SVt_PVNV); | |
2091 | else | |
2092 | SvUPGRADE(dstr, stype); | |
79072805 LW |
2093 | } |
2094 | ||
8990e307 LW |
2095 | sflags = SvFLAGS(sstr); |
2096 | ||
2097 | if (sflags & SVf_ROK) { | |
2098 | if (dtype >= SVt_PV) { | |
2099 | if (dtype == SVt_PVGV) { | |
11343788 | 2100 | dTHR; |
8990e307 LW |
2101 | SV *sref = SvREFCNT_inc(SvRV(sstr)); |
2102 | SV *dref = 0; | |
a5f75d66 | 2103 | int intro = GvINTRO(dstr); |
a0d0e21e LW |
2104 | |
2105 | if (intro) { | |
2106 | GP *gp; | |
2107 | GvGP(dstr)->gp_refcnt--; | |
a5f75d66 | 2108 | GvINTRO_off(dstr); /* one-shot flag */ |
a0d0e21e | 2109 | Newz(602,gp, 1, GP); |
44a8e56a | 2110 | GvGP(dstr) = gp_ref(gp); |
a0d0e21e LW |
2111 | GvSV(dstr) = NEWSV(72,0); |
2112 | GvLINE(dstr) = curcop->cop_line; | |
1edc1566 | 2113 | GvEGV(dstr) = (GV*)dstr; |
a0d0e21e | 2114 | } |
a5f75d66 | 2115 | GvMULTI_on(dstr); |
8990e307 LW |
2116 | switch (SvTYPE(sref)) { |
2117 | case SVt_PVAV: | |
a0d0e21e LW |
2118 | if (intro) |
2119 | SAVESPTR(GvAV(dstr)); | |
2120 | else | |
2121 | dref = (SV*)GvAV(dstr); | |
8990e307 | 2122 | GvAV(dstr) = (AV*)sref; |
a5f75d66 AD |
2123 | if (curcop->cop_stash != GvSTASH(dstr)) |
2124 | GvIMPORTED_AV_on(dstr); | |
8990e307 LW |
2125 | break; |
2126 | case SVt_PVHV: | |
a0d0e21e LW |
2127 | if (intro) |
2128 | SAVESPTR(GvHV(dstr)); | |
2129 | else | |
2130 | dref = (SV*)GvHV(dstr); | |
8990e307 | 2131 | GvHV(dstr) = (HV*)sref; |
a5f75d66 AD |
2132 | if (curcop->cop_stash != GvSTASH(dstr)) |
2133 | GvIMPORTED_HV_on(dstr); | |
8990e307 LW |
2134 | break; |
2135 | case SVt_PVCV: | |
8ebc5c01 | 2136 | if (intro) { |
2137 | if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) { | |
2138 | SvREFCNT_dec(GvCV(dstr)); | |
2139 | GvCV(dstr) = Nullcv; | |
68dc0745 | 2140 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
2141 | sub_generation++; | |
8ebc5c01 | 2142 | } |
a0d0e21e | 2143 | SAVESPTR(GvCV(dstr)); |
8ebc5c01 | 2144 | } |
68dc0745 | 2145 | else |
2146 | dref = (SV*)GvCV(dstr); | |
2147 | if (GvCV(dstr) != (CV*)sref) { | |
748a9306 | 2148 | CV* cv = GvCV(dstr); |
4633a7c4 | 2149 | if (cv) { |
68dc0745 | 2150 | if (!GvCVGEN((GV*)dstr) && |
2151 | (CvROOT(cv) || CvXSUB(cv))) | |
2152 | { | |
fe5e78ed GS |
2153 | SV *const_sv = cv_const_sv(cv); |
2154 | bool const_changed = TRUE; | |
2155 | if(const_sv) | |
2156 | const_changed = sv_cmp(const_sv, | |
2157 | op_const_sv(CvSTART((CV*)sref), | |
2158 | Nullcv)); | |
7bac28a0 | 2159 | /* ahem, death to those who redefine |
2160 | * active sort subs */ | |
e788e7d3 | 2161 | if (curstackinfo->si_type == PERLSI_SORT && |
7bac28a0 | 2162 | sortcop == CvSTART(cv)) |
2163 | croak( | |
2164 | "Can't redefine active sort subroutine %s", | |
2165 | GvENAME((GV*)dstr)); | |
fe5e78ed | 2166 | if (dowarn || (const_changed && const_sv)) { |
2f34f9d4 IZ |
2167 | if (!(CvGV(cv) && GvSTASH(CvGV(cv)) |
2168 | && HvNAME(GvSTASH(CvGV(cv))) | |
2169 | && strEQ(HvNAME(GvSTASH(CvGV(cv))), | |
2170 | "autouse"))) | |
fe5e78ed GS |
2171 | warn(const_sv ? |
2172 | "Constant subroutine %s redefined" | |
2173 | : "Subroutine %s redefined", | |
2f34f9d4 IZ |
2174 | GvENAME((GV*)dstr)); |
2175 | } | |
9607fc9c | 2176 | } |
3fe9a6f1 | 2177 | cv_ckproto(cv, (GV*)dstr, |
2178 | SvPOK(sref) ? SvPVX(sref) : Nullch); | |
4633a7c4 | 2179 | } |
a5f75d66 | 2180 | GvCV(dstr) = (CV*)sref; |
7a4c00b4 | 2181 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
a5f75d66 | 2182 | GvASSUMECV_on(dstr); |
8ebc5c01 | 2183 | sub_generation++; |
a5f75d66 AD |
2184 | } |
2185 | if (curcop->cop_stash != GvSTASH(dstr)) | |
2186 | GvIMPORTED_CV_on(dstr); | |
8990e307 | 2187 | break; |
91bba347 LW |
2188 | case SVt_PVIO: |
2189 | if (intro) | |
2190 | SAVESPTR(GvIOp(dstr)); | |
2191 | else | |
2192 | dref = (SV*)GvIOp(dstr); | |
2193 | GvIOp(dstr) = (IO*)sref; | |
2194 | break; | |
8990e307 | 2195 | default: |
a0d0e21e LW |
2196 | if (intro) |
2197 | SAVESPTR(GvSV(dstr)); | |
2198 | else | |
2199 | dref = (SV*)GvSV(dstr); | |
8990e307 | 2200 | GvSV(dstr) = sref; |
a5f75d66 AD |
2201 | if (curcop->cop_stash != GvSTASH(dstr)) |
2202 | GvIMPORTED_SV_on(dstr); | |
8990e307 LW |
2203 | break; |
2204 | } | |
2205 | if (dref) | |
2206 | SvREFCNT_dec(dref); | |
a0d0e21e LW |
2207 | if (intro) |
2208 | SAVEFREESV(sref); | |
8990e307 LW |
2209 | SvTAINT(dstr); |
2210 | return; | |
2211 | } | |
a0d0e21e | 2212 | if (SvPVX(dstr)) { |
760ac839 | 2213 | (void)SvOOK_off(dstr); /* backoff */ |
8990e307 | 2214 | Safefree(SvPVX(dstr)); |
a0d0e21e LW |
2215 | SvLEN(dstr)=SvCUR(dstr)=0; |
2216 | } | |
8990e307 | 2217 | } |
a0d0e21e | 2218 | (void)SvOK_off(dstr); |
8990e307 | 2219 | SvRV(dstr) = SvREFCNT_inc(SvRV(sstr)); |
ed6116ce | 2220 | SvROK_on(dstr); |
8990e307 | 2221 | if (sflags & SVp_NOK) { |
ed6116ce LW |
2222 | SvNOK_on(dstr); |
2223 | SvNVX(dstr) = SvNVX(sstr); | |
2224 | } | |
8990e307 | 2225 | if (sflags & SVp_IOK) { |
a0d0e21e | 2226 | (void)SvIOK_on(dstr); |
ed6116ce LW |
2227 | SvIVX(dstr) = SvIVX(sstr); |
2228 | } | |
a0d0e21e LW |
2229 | #ifdef OVERLOAD |
2230 | if (SvAMAGIC(sstr)) { | |
2231 | SvAMAGIC_on(dstr); | |
2232 | } | |
2233 | #endif /* OVERLOAD */ | |
ed6116ce | 2234 | } |
8990e307 | 2235 | else if (sflags & SVp_POK) { |
79072805 LW |
2236 | |
2237 | /* | |
2238 | * Check to see if we can just swipe the string. If so, it's a | |
2239 | * possible small lose on short strings, but a big win on long ones. | |
463ee0b2 LW |
2240 | * It might even be a win on short strings if SvPVX(dstr) |
2241 | * has to be allocated and SvPVX(sstr) has to be freed. | |
79072805 LW |
2242 | */ |
2243 | ||
ff68c719 | 2244 | if (SvTEMP(sstr) && /* slated for free anyway? */ |
01b73108 | 2245 | SvREFCNT(sstr) == 1 && /* and no other references to it? */ |
a5f75d66 AD |
2246 | !(sflags & SVf_OOK)) /* and not involved in OOK hack? */ |
2247 | { | |
adbc6bb1 | 2248 | if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */ |
a5f75d66 AD |
2249 | if (SvOOK(dstr)) { |
2250 | SvFLAGS(dstr) &= ~SVf_OOK; | |
2251 | Safefree(SvPVX(dstr) - SvIVX(dstr)); | |
2252 | } | |
2253 | else | |
2254 | Safefree(SvPVX(dstr)); | |
79072805 | 2255 | } |
a5f75d66 | 2256 | (void)SvPOK_only(dstr); |
463ee0b2 | 2257 | SvPV_set(dstr, SvPVX(sstr)); |
79072805 LW |
2258 | SvLEN_set(dstr, SvLEN(sstr)); |
2259 | SvCUR_set(dstr, SvCUR(sstr)); | |
79072805 | 2260 | SvTEMP_off(dstr); |
a5f75d66 | 2261 | (void)SvOK_off(sstr); |
79072805 LW |
2262 | SvPV_set(sstr, Nullch); |
2263 | SvLEN_set(sstr, 0); | |
a5f75d66 AD |
2264 | SvCUR_set(sstr, 0); |
2265 | SvTEMP_off(sstr); | |
79072805 LW |
2266 | } |
2267 | else { /* have to copy actual string */ | |
8990e307 LW |
2268 | STRLEN len = SvCUR(sstr); |
2269 | ||
2270 | SvGROW(dstr, len + 1); /* inlined from sv_setpvn */ | |
2271 | Move(SvPVX(sstr),SvPVX(dstr),len,char); | |
2272 | SvCUR_set(dstr, len); | |
2273 | *SvEND(dstr) = '\0'; | |
a0d0e21e | 2274 | (void)SvPOK_only(dstr); |
79072805 LW |
2275 | } |
2276 | /*SUPPRESS 560*/ | |
8990e307 | 2277 | if (sflags & SVp_NOK) { |
79072805 | 2278 | SvNOK_on(dstr); |
463ee0b2 | 2279 | SvNVX(dstr) = SvNVX(sstr); |
79072805 | 2280 | } |
8990e307 | 2281 | if (sflags & SVp_IOK) { |
a0d0e21e | 2282 | (void)SvIOK_on(dstr); |
463ee0b2 | 2283 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2284 | } |
2285 | } | |
8990e307 | 2286 | else if (sflags & SVp_NOK) { |
463ee0b2 | 2287 | SvNVX(dstr) = SvNVX(sstr); |
a0d0e21e | 2288 | (void)SvNOK_only(dstr); |
79072805 | 2289 | if (SvIOK(sstr)) { |
a0d0e21e | 2290 | (void)SvIOK_on(dstr); |
463ee0b2 | 2291 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2292 | } |
2293 | } | |
8990e307 | 2294 | else if (sflags & SVp_IOK) { |
a0d0e21e | 2295 | (void)SvIOK_only(dstr); |
463ee0b2 | 2296 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2297 | } |
2298 | else { | |
20408e3c GS |
2299 | if (dtype == SVt_PVGV) { |
2300 | if (dowarn) | |
2301 | warn("Undefined value assigned to typeglob"); | |
2302 | } | |
2303 | else | |
2304 | (void)SvOK_off(dstr); | |
a0d0e21e | 2305 | } |
463ee0b2 | 2306 | SvTAINT(dstr); |
79072805 LW |
2307 | } |
2308 | ||
2309 | void | |
ef50df4b GS |
2310 | sv_setsv_mg(SV *dstr, register SV *sstr) |
2311 | { | |
2312 | sv_setsv(dstr,sstr); | |
2313 | SvSETMAGIC(dstr); | |
2314 | } | |
2315 | ||
2316 | void | |
8ac85365 | 2317 | sv_setpvn(register SV *sv, register const char *ptr, register STRLEN len) |
79072805 | 2318 | { |
c6f8c383 | 2319 | register char *dptr; |
4561caa4 CS |
2320 | assert(len >= 0); /* STRLEN is probably unsigned, so this may |
2321 | elicit a warning, but it won't hurt. */ | |
2213622d | 2322 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2323 | if (!ptr) { |
a0d0e21e | 2324 | (void)SvOK_off(sv); |
463ee0b2 LW |
2325 | return; |
2326 | } | |
c07a80fd | 2327 | if (SvTYPE(sv) >= SVt_PV) { |
2328 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2329 | sv_unglob(sv); | |
2330 | } | |
c6f8c383 GA |
2331 | else |
2332 | sv_upgrade(sv, SVt_PV); | |
2333 | ||
79072805 | 2334 | SvGROW(sv, len + 1); |
c6f8c383 GA |
2335 | dptr = SvPVX(sv); |
2336 | Move(ptr,dptr,len,char); | |
2337 | dptr[len] = '\0'; | |
79072805 | 2338 | SvCUR_set(sv, len); |
a0d0e21e | 2339 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2340 | SvTAINT(sv); |
79072805 LW |
2341 | } |
2342 | ||
2343 | void | |
ef50df4b GS |
2344 | sv_setpvn_mg(register SV *sv, register const char *ptr, register STRLEN len) |
2345 | { | |
2346 | sv_setpvn(sv,ptr,len); | |
2347 | SvSETMAGIC(sv); | |
2348 | } | |
2349 | ||
2350 | void | |
8ac85365 | 2351 | sv_setpv(register SV *sv, register const char *ptr) |
79072805 LW |
2352 | { |
2353 | register STRLEN len; | |
2354 | ||
2213622d | 2355 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2356 | if (!ptr) { |
a0d0e21e | 2357 | (void)SvOK_off(sv); |
463ee0b2 LW |
2358 | return; |
2359 | } | |
79072805 | 2360 | len = strlen(ptr); |
c07a80fd | 2361 | if (SvTYPE(sv) >= SVt_PV) { |
2362 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2363 | sv_unglob(sv); | |
2364 | } | |
c6f8c383 GA |
2365 | else |
2366 | sv_upgrade(sv, SVt_PV); | |
2367 | ||
79072805 | 2368 | SvGROW(sv, len + 1); |
463ee0b2 | 2369 | Move(ptr,SvPVX(sv),len+1,char); |
79072805 | 2370 | SvCUR_set(sv, len); |
a0d0e21e | 2371 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 LW |
2372 | SvTAINT(sv); |
2373 | } | |
2374 | ||
2375 | void | |
ef50df4b GS |
2376 | sv_setpv_mg(register SV *sv, register const char *ptr) |
2377 | { | |
2378 | sv_setpv(sv,ptr); | |
2379 | SvSETMAGIC(sv); | |
2380 | } | |
2381 | ||
2382 | void | |
8ac85365 | 2383 | sv_usepvn(register SV *sv, register char *ptr, register STRLEN len) |
463ee0b2 | 2384 | { |
2213622d | 2385 | SV_CHECK_THINKFIRST(sv); |
c6f8c383 | 2386 | (void)SvUPGRADE(sv, SVt_PV); |
463ee0b2 | 2387 | if (!ptr) { |
a0d0e21e | 2388 | (void)SvOK_off(sv); |
463ee0b2 LW |
2389 | return; |
2390 | } | |
2391 | if (SvPVX(sv)) | |
2392 | Safefree(SvPVX(sv)); | |
2393 | Renew(ptr, len+1, char); | |
2394 | SvPVX(sv) = ptr; | |
2395 | SvCUR_set(sv, len); | |
2396 | SvLEN_set(sv, len+1); | |
2397 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2398 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2399 | SvTAINT(sv); |
79072805 LW |
2400 | } |
2401 | ||
ef50df4b GS |
2402 | void |
2403 | sv_usepvn_mg(register SV *sv, register char *ptr, register STRLEN len) | |
2404 | { | |
51c1089b | 2405 | sv_usepvn(sv,ptr,len); |
ef50df4b GS |
2406 | SvSETMAGIC(sv); |
2407 | } | |
2408 | ||
76e3520e | 2409 | STATIC void |
8ac85365 | 2410 | sv_check_thinkfirst(register SV *sv) |
0f15f207 | 2411 | { |
2213622d GA |
2412 | if (SvREADONLY(sv)) { |
2413 | dTHR; | |
2414 | if (curcop != &compiling) | |
2415 | croak(no_modify); | |
0f15f207 | 2416 | } |
2213622d GA |
2417 | if (SvROK(sv)) |
2418 | sv_unref(sv); | |
0f15f207 MB |
2419 | } |
2420 | ||
79072805 | 2421 | void |
8ac85365 NIS |
2422 | sv_chop(register SV *sv, register char *ptr) /* like set but assuming ptr is in sv */ |
2423 | ||
2424 | ||
79072805 LW |
2425 | { |
2426 | register STRLEN delta; | |
2427 | ||
a0d0e21e | 2428 | if (!ptr || !SvPOKp(sv)) |
79072805 | 2429 | return; |
2213622d | 2430 | SV_CHECK_THINKFIRST(sv); |
79072805 LW |
2431 | if (SvTYPE(sv) < SVt_PVIV) |
2432 | sv_upgrade(sv,SVt_PVIV); | |
2433 | ||
2434 | if (!SvOOK(sv)) { | |
463ee0b2 | 2435 | SvIVX(sv) = 0; |
79072805 LW |
2436 | SvFLAGS(sv) |= SVf_OOK; |
2437 | } | |
8990e307 | 2438 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK); |
463ee0b2 | 2439 | delta = ptr - SvPVX(sv); |
79072805 LW |
2440 | SvLEN(sv) -= delta; |
2441 | SvCUR(sv) -= delta; | |
463ee0b2 LW |
2442 | SvPVX(sv) += delta; |
2443 | SvIVX(sv) += delta; | |
79072805 LW |
2444 | } |
2445 | ||
2446 | void | |
8ac85365 | 2447 | sv_catpvn(register SV *sv, register char *ptr, register STRLEN len) |
79072805 | 2448 | { |
463ee0b2 | 2449 | STRLEN tlen; |
748a9306 | 2450 | char *junk; |
a0d0e21e | 2451 | |
748a9306 | 2452 | junk = SvPV_force(sv, tlen); |
463ee0b2 | 2453 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2454 | if (ptr == junk) |
2455 | ptr = SvPVX(sv); | |
463ee0b2 | 2456 | Move(ptr,SvPVX(sv)+tlen,len,char); |
79072805 LW |
2457 | SvCUR(sv) += len; |
2458 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2459 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2460 | SvTAINT(sv); |
79072805 LW |
2461 | } |
2462 | ||
2463 | void | |
ef50df4b GS |
2464 | sv_catpvn_mg(register SV *sv, register char *ptr, register STRLEN len) |
2465 | { | |
2466 | sv_catpvn(sv,ptr,len); | |
2467 | SvSETMAGIC(sv); | |
2468 | } | |
2469 | ||
2470 | void | |
8ac85365 | 2471 | sv_catsv(SV *dstr, register SV *sstr) |
79072805 LW |
2472 | { |
2473 | char *s; | |
463ee0b2 | 2474 | STRLEN len; |
79072805 LW |
2475 | if (!sstr) |
2476 | return; | |
463ee0b2 LW |
2477 | if (s = SvPV(sstr, len)) |
2478 | sv_catpvn(dstr,s,len); | |
79072805 LW |
2479 | } |
2480 | ||
2481 | void | |
ef50df4b GS |
2482 | sv_catsv_mg(SV *dstr, register SV *sstr) |
2483 | { | |
2484 | sv_catsv(dstr,sstr); | |
2485 | SvSETMAGIC(dstr); | |
2486 | } | |
2487 | ||
2488 | void | |
8ac85365 | 2489 | sv_catpv(register SV *sv, register char *ptr) |
79072805 LW |
2490 | { |
2491 | register STRLEN len; | |
463ee0b2 | 2492 | STRLEN tlen; |
748a9306 | 2493 | char *junk; |
79072805 | 2494 | |
79072805 LW |
2495 | if (!ptr) |
2496 | return; | |
748a9306 | 2497 | junk = SvPV_force(sv, tlen); |
79072805 | 2498 | len = strlen(ptr); |
463ee0b2 | 2499 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2500 | if (ptr == junk) |
2501 | ptr = SvPVX(sv); | |
463ee0b2 | 2502 | Move(ptr,SvPVX(sv)+tlen,len+1,char); |
79072805 | 2503 | SvCUR(sv) += len; |
a0d0e21e | 2504 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2505 | SvTAINT(sv); |
79072805 LW |
2506 | } |
2507 | ||
ef50df4b GS |
2508 | void |
2509 | sv_catpv_mg(register SV *sv, register char *ptr) | |
2510 | { | |
51c1089b | 2511 | sv_catpv(sv,ptr); |
ef50df4b GS |
2512 | SvSETMAGIC(sv); |
2513 | } | |
2514 | ||
79072805 | 2515 | SV * |
8ac85365 | 2516 | newSV(STRLEN len) |
79072805 LW |
2517 | { |
2518 | register SV *sv; | |
2519 | ||
4561caa4 | 2520 | new_SV(sv); |
8990e307 LW |
2521 | SvANY(sv) = 0; |
2522 | SvREFCNT(sv) = 1; | |
2523 | SvFLAGS(sv) = 0; | |
79072805 LW |
2524 | if (len) { |
2525 | sv_upgrade(sv, SVt_PV); | |
2526 | SvGROW(sv, len + 1); | |
2527 | } | |
2528 | return sv; | |
2529 | } | |
2530 | ||
1edc1566 | 2531 | /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */ |
2532 | ||
79072805 | 2533 | void |
8ac85365 | 2534 | sv_magic(register SV *sv, SV *obj, int how, char *name, I32 namlen) |
79072805 LW |
2535 | { |
2536 | MAGIC* mg; | |
2537 | ||
0f15f207 MB |
2538 | if (SvREADONLY(sv)) { |
2539 | dTHR; | |
2540 | if (curcop != &compiling && !strchr("gBf", how)) | |
2541 | croak(no_modify); | |
2542 | } | |
4633a7c4 | 2543 | if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) { |
748a9306 LW |
2544 | if (SvMAGIC(sv) && (mg = mg_find(sv, how))) { |
2545 | if (how == 't') | |
565764a8 | 2546 | mg->mg_len |= 1; |
463ee0b2 | 2547 | return; |
748a9306 | 2548 | } |
463ee0b2 LW |
2549 | } |
2550 | else { | |
c6f8c383 | 2551 | (void)SvUPGRADE(sv, SVt_PVMG); |
463ee0b2 | 2552 | } |
79072805 LW |
2553 | Newz(702,mg, 1, MAGIC); |
2554 | mg->mg_moremagic = SvMAGIC(sv); | |
463ee0b2 | 2555 | |
79072805 | 2556 | SvMAGIC(sv) = mg; |
c277df42 | 2557 | if (!obj || obj == sv || how == '#' || how == 'r') |
8990e307 | 2558 | mg->mg_obj = obj; |
85e6fe83 | 2559 | else { |
11343788 | 2560 | dTHR; |
8990e307 | 2561 | mg->mg_obj = SvREFCNT_inc(obj); |
85e6fe83 LW |
2562 | mg->mg_flags |= MGf_REFCOUNTED; |
2563 | } | |
79072805 | 2564 | mg->mg_type = how; |
565764a8 | 2565 | mg->mg_len = namlen; |
1edc1566 | 2566 | if (name) |
2567 | if (namlen >= 0) | |
2568 | mg->mg_ptr = savepvn(name, namlen); | |
c6ee37c5 | 2569 | else if (namlen == HEf_SVKEY) |
1edc1566 | 2570 | mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name); |
2571 | ||
79072805 LW |
2572 | switch (how) { |
2573 | case 0: | |
2574 | mg->mg_virtual = &vtbl_sv; | |
2575 | break; | |
a0d0e21e LW |
2576 | #ifdef OVERLOAD |
2577 | case 'A': | |
2578 | mg->mg_virtual = &vtbl_amagic; | |
2579 | break; | |
2580 | case 'a': | |
2581 | mg->mg_virtual = &vtbl_amagicelem; | |
2582 | break; | |
2583 | case 'c': | |
2584 | mg->mg_virtual = 0; | |
2585 | break; | |
2586 | #endif /* OVERLOAD */ | |
79072805 LW |
2587 | case 'B': |
2588 | mg->mg_virtual = &vtbl_bm; | |
2589 | break; | |
79072805 LW |
2590 | case 'E': |
2591 | mg->mg_virtual = &vtbl_env; | |
2592 | break; | |
55497cff | 2593 | case 'f': |
2594 | mg->mg_virtual = &vtbl_fm; | |
2595 | break; | |
79072805 LW |
2596 | case 'e': |
2597 | mg->mg_virtual = &vtbl_envelem; | |
2598 | break; | |
93a17b20 LW |
2599 | case 'g': |
2600 | mg->mg_virtual = &vtbl_mglob; | |
2601 | break; | |
463ee0b2 LW |
2602 | case 'I': |
2603 | mg->mg_virtual = &vtbl_isa; | |
2604 | break; | |
2605 | case 'i': | |
2606 | mg->mg_virtual = &vtbl_isaelem; | |
2607 | break; | |
16660edb | 2608 | case 'k': |
2609 | mg->mg_virtual = &vtbl_nkeys; | |
2610 | break; | |
79072805 | 2611 | case 'L': |
a0d0e21e | 2612 | SvRMAGICAL_on(sv); |
93a17b20 LW |
2613 | mg->mg_virtual = 0; |
2614 | break; | |
2615 | case 'l': | |
79072805 LW |
2616 | mg->mg_virtual = &vtbl_dbline; |
2617 | break; | |
f93b4edd MB |
2618 | #ifdef USE_THREADS |
2619 | case 'm': | |
2620 | mg->mg_virtual = &vtbl_mutex; | |
2621 | break; | |
2622 | #endif /* USE_THREADS */ | |
36477c24 | 2623 | #ifdef USE_LOCALE_COLLATE |
bbce6d69 | 2624 | case 'o': |
2625 | mg->mg_virtual = &vtbl_collxfrm; | |
2626 | break; | |
36477c24 | 2627 | #endif /* USE_LOCALE_COLLATE */ |
463ee0b2 LW |
2628 | case 'P': |
2629 | mg->mg_virtual = &vtbl_pack; | |
2630 | break; | |
2631 | case 'p': | |
a0d0e21e | 2632 | case 'q': |
463ee0b2 LW |
2633 | mg->mg_virtual = &vtbl_packelem; |
2634 | break; | |
c277df42 IZ |
2635 | case 'r': |
2636 | mg->mg_virtual = &vtbl_regexp; | |
2637 | break; | |
79072805 LW |
2638 | case 'S': |
2639 | mg->mg_virtual = &vtbl_sig; | |
2640 | break; | |
2641 | case 's': | |
2642 | mg->mg_virtual = &vtbl_sigelem; | |
2643 | break; | |
463ee0b2 LW |
2644 | case 't': |
2645 | mg->mg_virtual = &vtbl_taint; | |
565764a8 | 2646 | mg->mg_len = 1; |
463ee0b2 | 2647 | break; |
79072805 LW |
2648 | case 'U': |
2649 | mg->mg_virtual = &vtbl_uvar; | |
2650 | break; | |
2651 | case 'v': | |
2652 | mg->mg_virtual = &vtbl_vec; | |
2653 | break; | |
2654 | case 'x': | |
2655 | mg->mg_virtual = &vtbl_substr; | |
2656 | break; | |
5f05dabc | 2657 | case 'y': |
68dc0745 | 2658 | mg->mg_virtual = &vtbl_defelem; |
5f05dabc | 2659 | break; |
79072805 LW |
2660 | case '*': |
2661 | mg->mg_virtual = &vtbl_glob; | |
2662 | break; | |
2663 | case '#': | |
2664 | mg->mg_virtual = &vtbl_arylen; | |
2665 | break; | |
a0d0e21e LW |
2666 | case '.': |
2667 | mg->mg_virtual = &vtbl_pos; | |
2668 | break; | |
4633a7c4 LW |
2669 | case '~': /* Reserved for use by extensions not perl internals. */ |
2670 | /* Useful for attaching extension internal data to perl vars. */ | |
2671 | /* Note that multiple extensions may clash if magical scalars */ | |
2672 | /* etc holding private data from one are passed to another. */ | |
2673 | SvRMAGICAL_on(sv); | |
a0d0e21e | 2674 | break; |
79072805 | 2675 | default: |
463ee0b2 LW |
2676 | croak("Don't know how to handle magic of type '%c'", how); |
2677 | } | |
8990e307 LW |
2678 | mg_magical(sv); |
2679 | if (SvGMAGICAL(sv)) | |
2680 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
463ee0b2 LW |
2681 | } |
2682 | ||
2683 | int | |
8ac85365 | 2684 | sv_unmagic(SV *sv, int type) |
463ee0b2 LW |
2685 | { |
2686 | MAGIC* mg; | |
2687 | MAGIC** mgp; | |
91bba347 | 2688 | if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv)) |
463ee0b2 LW |
2689 | return 0; |
2690 | mgp = &SvMAGIC(sv); | |
2691 | for (mg = *mgp; mg; mg = *mgp) { | |
2692 | if (mg->mg_type == type) { | |
2693 | MGVTBL* vtbl = mg->mg_virtual; | |
2694 | *mgp = mg->mg_moremagic; | |
76e3520e GS |
2695 | if (vtbl && (vtbl->svt_free != NULL)) |
2696 | (VTBL->svt_free)(sv, mg); | |
463ee0b2 | 2697 | if (mg->mg_ptr && mg->mg_type != 'g') |
565764a8 | 2698 | if (mg->mg_len >= 0) |
1edc1566 | 2699 | Safefree(mg->mg_ptr); |
565764a8 | 2700 | else if (mg->mg_len == HEf_SVKEY) |
1edc1566 | 2701 | SvREFCNT_dec((SV*)mg->mg_ptr); |
a0d0e21e LW |
2702 | if (mg->mg_flags & MGf_REFCOUNTED) |
2703 | SvREFCNT_dec(mg->mg_obj); | |
463ee0b2 LW |
2704 | Safefree(mg); |
2705 | } | |
2706 | else | |
2707 | mgp = &mg->mg_moremagic; | |
79072805 | 2708 | } |
91bba347 | 2709 | if (!SvMAGIC(sv)) { |
463ee0b2 | 2710 | SvMAGICAL_off(sv); |
8990e307 | 2711 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 LW |
2712 | } |
2713 | ||
2714 | return 0; | |
79072805 LW |
2715 | } |
2716 | ||
2717 | void | |
8ac85365 | 2718 | sv_insert(SV *bigstr, STRLEN offset, STRLEN len, char *little, STRLEN littlelen) |
79072805 LW |
2719 | { |
2720 | register char *big; | |
2721 | register char *mid; | |
2722 | register char *midend; | |
2723 | register char *bigend; | |
2724 | register I32 i; | |
6ff81951 GS |
2725 | STRLEN curlen; |
2726 | ||
79072805 | 2727 | |
8990e307 LW |
2728 | if (!bigstr) |
2729 | croak("Can't modify non-existent substring"); | |
6ff81951 GS |
2730 | SvPV_force(bigstr, curlen); |
2731 | if (offset + len > curlen) { | |
2732 | SvGROW(bigstr, offset+len+1); | |
2733 | Zero(SvPVX(bigstr)+curlen, offset+len-curlen, char); | |
2734 | SvCUR_set(bigstr, offset+len); | |
2735 | } | |
79072805 LW |
2736 | |
2737 | i = littlelen - len; | |
2738 | if (i > 0) { /* string might grow */ | |
a0d0e21e | 2739 | big = SvGROW(bigstr, SvCUR(bigstr) + i + 1); |
79072805 LW |
2740 | mid = big + offset + len; |
2741 | midend = bigend = big + SvCUR(bigstr); | |
2742 | bigend += i; | |
2743 | *bigend = '\0'; | |
2744 | while (midend > mid) /* shove everything down */ | |
2745 | *--bigend = *--midend; | |
2746 | Move(little,big+offset,littlelen,char); | |
2747 | SvCUR(bigstr) += i; | |
2748 | SvSETMAGIC(bigstr); | |
2749 | return; | |
2750 | } | |
2751 | else if (i == 0) { | |
463ee0b2 | 2752 | Move(little,SvPVX(bigstr)+offset,len,char); |
79072805 LW |
2753 | SvSETMAGIC(bigstr); |
2754 | return; | |
2755 | } | |
2756 | ||
463ee0b2 | 2757 | big = SvPVX(bigstr); |
79072805 LW |
2758 | mid = big + offset; |
2759 | midend = mid + len; | |
2760 | bigend = big + SvCUR(bigstr); | |
2761 | ||
2762 | if (midend > bigend) | |
463ee0b2 | 2763 | croak("panic: sv_insert"); |
79072805 LW |
2764 | |
2765 | if (mid - big > bigend - midend) { /* faster to shorten from end */ | |
2766 | if (littlelen) { | |
2767 | Move(little, mid, littlelen,char); | |
2768 | mid += littlelen; | |
2769 | } | |
2770 | i = bigend - midend; | |
2771 | if (i > 0) { | |
2772 | Move(midend, mid, i,char); | |
2773 | mid += i; | |
2774 | } | |
2775 | *mid = '\0'; | |
2776 | SvCUR_set(bigstr, mid - big); | |
2777 | } | |
2778 | /*SUPPRESS 560*/ | |
2779 | else if (i = mid - big) { /* faster from front */ | |
2780 | midend -= littlelen; | |
2781 | mid = midend; | |
2782 | sv_chop(bigstr,midend-i); | |
2783 | big += i; | |
2784 | while (i--) | |
2785 | *--midend = *--big; | |
2786 | if (littlelen) | |
2787 | Move(little, mid, littlelen,char); | |
2788 | } | |
2789 | else if (littlelen) { | |
2790 | midend -= littlelen; | |
2791 | sv_chop(bigstr,midend); | |
2792 | Move(little,midend,littlelen,char); | |
2793 | } | |
2794 | else { | |
2795 | sv_chop(bigstr,midend); | |
2796 | } | |
2797 | SvSETMAGIC(bigstr); | |
2798 | } | |
2799 | ||
2800 | /* make sv point to what nstr did */ | |
2801 | ||
2802 | void | |
8ac85365 | 2803 | sv_replace(register SV *sv, register SV *nsv) |
79072805 LW |
2804 | { |
2805 | U32 refcnt = SvREFCNT(sv); | |
2213622d | 2806 | SV_CHECK_THINKFIRST(sv); |
79072805 LW |
2807 | if (SvREFCNT(nsv) != 1) |
2808 | warn("Reference miscount in sv_replace()"); | |
93a17b20 | 2809 | if (SvMAGICAL(sv)) { |
a0d0e21e LW |
2810 | if (SvMAGICAL(nsv)) |
2811 | mg_free(nsv); | |
2812 | else | |
2813 | sv_upgrade(nsv, SVt_PVMG); | |
93a17b20 | 2814 | SvMAGIC(nsv) = SvMAGIC(sv); |
a0d0e21e | 2815 | SvFLAGS(nsv) |= SvMAGICAL(sv); |
93a17b20 LW |
2816 | SvMAGICAL_off(sv); |
2817 | SvMAGIC(sv) = 0; | |
2818 | } | |
79072805 LW |
2819 | SvREFCNT(sv) = 0; |
2820 | sv_clear(sv); | |
477f5d66 | 2821 | assert(!SvREFCNT(sv)); |
79072805 LW |
2822 | StructCopy(nsv,sv,SV); |
2823 | SvREFCNT(sv) = refcnt; | |
1edc1566 | 2824 | SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */ |
463ee0b2 | 2825 | del_SV(nsv); |
79072805 LW |
2826 | } |
2827 | ||
2828 | void | |
8ac85365 | 2829 | sv_clear(register SV *sv) |
79072805 | 2830 | { |
ec12f114 | 2831 | HV* stash; |
79072805 LW |
2832 | assert(sv); |
2833 | assert(SvREFCNT(sv) == 0); | |
2834 | ||
ed6116ce | 2835 | if (SvOBJECT(sv)) { |
e858de61 | 2836 | dTHR; |
a0d0e21e | 2837 | if (defstash) { /* Still have a symbol table? */ |
4e35701f | 2838 | djSP; |
8ebc5c01 | 2839 | GV* destructor; |
837485b6 | 2840 | SV tmpref; |
a0d0e21e | 2841 | |
837485b6 GS |
2842 | Zero(&tmpref, 1, SV); |
2843 | sv_upgrade(&tmpref, SVt_RV); | |
2844 | SvROK_on(&tmpref); | |
2845 | SvREADONLY_on(&tmpref); /* DESTROY() could be naughty */ | |
2846 | SvREFCNT(&tmpref) = 1; | |
8ebc5c01 | 2847 | |
4e8e7886 GS |
2848 | do { |
2849 | stash = SvSTASH(sv); | |
2850 | destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); | |
2851 | if (destructor) { | |
2852 | ENTER; | |
e788e7d3 | 2853 | PUSHSTACKi(PERLSI_DESTROY); |
837485b6 | 2854 | SvRV(&tmpref) = SvREFCNT_inc(sv); |
4e8e7886 GS |
2855 | EXTEND(SP, 2); |
2856 | PUSHMARK(SP); | |
837485b6 | 2857 | PUSHs(&tmpref); |
4e8e7886 GS |
2858 | PUTBACK; |
2859 | perl_call_sv((SV*)GvCV(destructor), | |
2860 | G_DISCARD|G_EVAL|G_KEEPERR); | |
2861 | SvREFCNT(sv)--; | |
d3acc0f7 | 2862 | POPSTACK; |
4e8e7886 GS |
2863 | LEAVE; |
2864 | } | |
2865 | } while (SvOBJECT(sv) && SvSTASH(sv) != stash); | |
8ebc5c01 | 2866 | |
837485b6 | 2867 | del_XRV(SvANY(&tmpref)); |
a0d0e21e | 2868 | } |
4e8e7886 | 2869 | |
a0d0e21e | 2870 | if (SvOBJECT(sv)) { |
4e8e7886 | 2871 | SvREFCNT_dec(SvSTASH(sv)); /* possibly of changed persuasion */ |
a0d0e21e LW |
2872 | SvOBJECT_off(sv); /* Curse the object. */ |
2873 | if (SvTYPE(sv) != SVt_PVIO) | |
2874 | --sv_objcount; /* XXX Might want something more general */ | |
2875 | } | |
1edc1566 | 2876 | if (SvREFCNT(sv)) { |
477f5d66 CS |
2877 | if (in_clean_objs) |
2878 | croak("DESTROY created new reference to dead object"); | |
2879 | /* DESTROY gave object new lease on life */ | |
2880 | return; | |
1edc1566 | 2881 | } |
463ee0b2 | 2882 | } |
c07a80fd | 2883 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) |
a0d0e21e | 2884 | mg_free(sv); |
ec12f114 | 2885 | stash = NULL; |
79072805 | 2886 | switch (SvTYPE(sv)) { |
8990e307 | 2887 | case SVt_PVIO: |
5f05dabc | 2888 | if (IoIFP(sv) != PerlIO_stdin() && |
2889 | IoIFP(sv) != PerlIO_stdout() && | |
2890 | IoIFP(sv) != PerlIO_stderr()) | |
2891 | io_close((IO*)sv); | |
8990e307 LW |
2892 | Safefree(IoTOP_NAME(sv)); |
2893 | Safefree(IoFMT_NAME(sv)); | |
2894 | Safefree(IoBOTTOM_NAME(sv)); | |
a0d0e21e | 2895 | /* FALL THROUGH */ |
79072805 | 2896 | case SVt_PVBM: |
a0d0e21e | 2897 | goto freescalar; |
79072805 | 2898 | case SVt_PVCV: |
748a9306 | 2899 | case SVt_PVFM: |
85e6fe83 | 2900 | cv_undef((CV*)sv); |
a0d0e21e | 2901 | goto freescalar; |
79072805 | 2902 | case SVt_PVHV: |
85e6fe83 | 2903 | hv_undef((HV*)sv); |
a0d0e21e | 2904 | break; |
79072805 | 2905 | case SVt_PVAV: |
85e6fe83 | 2906 | av_undef((AV*)sv); |
a0d0e21e LW |
2907 | break; |
2908 | case SVt_PVGV: | |
1edc1566 | 2909 | gp_free((GV*)sv); |
a0d0e21e | 2910 | Safefree(GvNAME(sv)); |
ec12f114 JPC |
2911 | /* cannot decrease stash refcount yet, as we might recursively delete |
2912 | ourselves when the refcnt drops to zero. Delay SvREFCNT_dec | |
2913 | of stash until current sv is completely gone. | |
2914 | -- JohnPC, 27 Mar 1998 */ | |
2915 | stash = GvSTASH(sv); | |
a0d0e21e | 2916 | /* FALL THROUGH */ |
79072805 | 2917 | case SVt_PVLV: |
79072805 | 2918 | case SVt_PVMG: |
79072805 LW |
2919 | case SVt_PVNV: |
2920 | case SVt_PVIV: | |
a0d0e21e LW |
2921 | freescalar: |
2922 | (void)SvOOK_off(sv); | |
79072805 LW |
2923 | /* FALL THROUGH */ |
2924 | case SVt_PV: | |
a0d0e21e | 2925 | case SVt_RV: |
8990e307 LW |
2926 | if (SvROK(sv)) |
2927 | SvREFCNT_dec(SvRV(sv)); | |
1edc1566 | 2928 | else if (SvPVX(sv) && SvLEN(sv)) |
463ee0b2 | 2929 | Safefree(SvPVX(sv)); |
79072805 | 2930 | break; |
a0d0e21e | 2931 | /* |
79072805 | 2932 | case SVt_NV: |
79072805 | 2933 | case SVt_IV: |
79072805 LW |
2934 | case SVt_NULL: |
2935 | break; | |
a0d0e21e | 2936 | */ |
79072805 LW |
2937 | } |
2938 | ||
2939 | switch (SvTYPE(sv)) { | |
2940 | case SVt_NULL: | |
2941 | break; | |
79072805 LW |
2942 | case SVt_IV: |
2943 | del_XIV(SvANY(sv)); | |
2944 | break; | |
2945 | case SVt_NV: | |
2946 | del_XNV(SvANY(sv)); | |
2947 | break; | |
ed6116ce LW |
2948 | case SVt_RV: |
2949 | del_XRV(SvANY(sv)); | |
2950 | break; | |
79072805 LW |
2951 | case SVt_PV: |
2952 | del_XPV(SvANY(sv)); | |
2953 | break; | |
2954 | case SVt_PVIV: | |
2955 | del_XPVIV(SvANY(sv)); | |
2956 | break; | |
2957 | case SVt_PVNV: | |
2958 | del_XPVNV(SvANY(sv)); | |
2959 | break; | |
2960 | case SVt_PVMG: | |
2961 | del_XPVMG(SvANY(sv)); | |
2962 | break; | |
2963 | case SVt_PVLV: | |
2964 | del_XPVLV(SvANY(sv)); | |
2965 | break; | |
2966 | case SVt_PVAV: | |
2967 | del_XPVAV(SvANY(sv)); | |
2968 | break; | |
2969 | case SVt_PVHV: | |
2970 | del_XPVHV(SvANY(sv)); | |
2971 | break; | |
2972 | case SVt_PVCV: | |
2973 | del_XPVCV(SvANY(sv)); | |
2974 | break; | |
2975 | case SVt_PVGV: | |
2976 | del_XPVGV(SvANY(sv)); | |
ec12f114 JPC |
2977 | /* code duplication for increased performance. */ |
2978 | SvFLAGS(sv) &= SVf_BREAK; | |
2979 | SvFLAGS(sv) |= SVTYPEMASK; | |
2980 | /* decrease refcount of the stash that owns this GV, if any */ | |
2981 | if (stash) | |
2982 | SvREFCNT_dec(stash); | |
2983 | return; /* not break, SvFLAGS reset already happened */ | |
79072805 LW |
2984 | case SVt_PVBM: |
2985 | del_XPVBM(SvANY(sv)); | |
2986 | break; | |
2987 | case SVt_PVFM: | |
2988 | del_XPVFM(SvANY(sv)); | |
2989 | break; | |
8990e307 LW |
2990 | case SVt_PVIO: |
2991 | del_XPVIO(SvANY(sv)); | |
2992 | break; | |
79072805 | 2993 | } |
a0d0e21e | 2994 | SvFLAGS(sv) &= SVf_BREAK; |
8990e307 | 2995 | SvFLAGS(sv) |= SVTYPEMASK; |
79072805 LW |
2996 | } |
2997 | ||
2998 | SV * | |
8ac85365 | 2999 | sv_newref(SV *sv) |
79072805 | 3000 | { |
463ee0b2 | 3001 | if (sv) |
dce16143 | 3002 | ATOMIC_INC(SvREFCNT(sv)); |
79072805 LW |
3003 | return sv; |
3004 | } | |
3005 | ||
3006 | void | |
8ac85365 | 3007 | sv_free(SV *sv) |
79072805 | 3008 | { |
dce16143 MB |
3009 | int refcount_is_zero; |
3010 | ||
79072805 LW |
3011 | if (!sv) |
3012 | return; | |
a0d0e21e LW |
3013 | if (SvREFCNT(sv) == 0) { |
3014 | if (SvFLAGS(sv) & SVf_BREAK) | |
3015 | return; | |
1edc1566 | 3016 | if (in_clean_all) /* All is fair */ |
3017 | return; | |
d689ffdd JP |
3018 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) { |
3019 | /* make sure SvREFCNT(sv)==0 happens very seldom */ | |
3020 | SvREFCNT(sv) = (~(U32)0)/2; | |
3021 | return; | |
3022 | } | |
79072805 LW |
3023 | warn("Attempt to free unreferenced scalar"); |
3024 | return; | |
3025 | } | |
dce16143 MB |
3026 | ATOMIC_DEC_AND_TEST(refcount_is_zero, SvREFCNT(sv)); |
3027 | if (!refcount_is_zero) | |
8990e307 | 3028 | return; |
463ee0b2 LW |
3029 | #ifdef DEBUGGING |
3030 | if (SvTEMP(sv)) { | |
7f20e9dd | 3031 | warn("Attempt to free temp prematurely: SV 0x%lx", (unsigned long)sv); |
79072805 | 3032 | return; |
79072805 | 3033 | } |
463ee0b2 | 3034 | #endif |
d689ffdd JP |
3035 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) { |
3036 | /* make sure SvREFCNT(sv)==0 happens very seldom */ | |
3037 | SvREFCNT(sv) = (~(U32)0)/2; | |
3038 | return; | |
3039 | } | |
79072805 | 3040 | sv_clear(sv); |
477f5d66 CS |
3041 | if (! SvREFCNT(sv)) |
3042 | del_SV(sv); | |
79072805 LW |
3043 | } |
3044 | ||
3045 | STRLEN | |
8ac85365 | 3046 | sv_len(register SV *sv) |
79072805 | 3047 | { |
748a9306 | 3048 | char *junk; |
463ee0b2 | 3049 | STRLEN len; |
79072805 LW |
3050 | |
3051 | if (!sv) | |
3052 | return 0; | |
3053 | ||
8990e307 | 3054 | if (SvGMAGICAL(sv)) |
565764a8 | 3055 | len = mg_length(sv); |
8990e307 | 3056 | else |
748a9306 | 3057 | junk = SvPV(sv, len); |
463ee0b2 | 3058 | return len; |
79072805 LW |
3059 | } |
3060 | ||
3061 | I32 | |
8ac85365 | 3062 | sv_eq(register SV *str1, register SV *str2) |
79072805 LW |
3063 | { |
3064 | char *pv1; | |
463ee0b2 | 3065 | STRLEN cur1; |
79072805 | 3066 | char *pv2; |
463ee0b2 | 3067 | STRLEN cur2; |
79072805 LW |
3068 | |
3069 | if (!str1) { | |
3070 | pv1 = ""; | |
3071 | cur1 = 0; | |
3072 | } | |
463ee0b2 LW |
3073 | else |
3074 | pv1 = SvPV(str1, cur1); | |
79072805 LW |
3075 | |
3076 | if (!str2) | |
3077 | return !cur1; | |
463ee0b2 LW |
3078 | else |
3079 | pv2 = SvPV(str2, cur2); | |
79072805 LW |
3080 | |
3081 | if (cur1 != cur2) | |
3082 | return 0; | |
3083 | ||
36477c24 | 3084 | return memEQ(pv1, pv2, cur1); |
79072805 LW |
3085 | } |
3086 | ||
3087 | I32 | |
8ac85365 | 3088 | sv_cmp(register SV *str1, register SV *str2) |
79072805 | 3089 | { |
bbce6d69 | 3090 | STRLEN cur1 = 0; |
8ac85365 | 3091 | char *pv1 = str1 ? SvPV(str1, cur1) : (char *) NULL; |
bbce6d69 | 3092 | STRLEN cur2 = 0; |
8ac85365 | 3093 | char *pv2 = str2 ? SvPV(str2, cur2) : (char *) NULL; |
79072805 | 3094 | I32 retval; |
79072805 | 3095 | |
bbce6d69 | 3096 | if (!cur1) |
3097 | return cur2 ? -1 : 0; | |
16660edb | 3098 | |
bbce6d69 | 3099 | if (!cur2) |
3100 | return 1; | |
79072805 | 3101 | |
bbce6d69 | 3102 | retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2); |
16660edb | 3103 | |
bbce6d69 | 3104 | if (retval) |
3105 | return retval < 0 ? -1 : 1; | |
16660edb | 3106 | |
bbce6d69 | 3107 | if (cur1 == cur2) |
3108 | return 0; | |
3109 | else | |
3110 | return cur1 < cur2 ? -1 : 1; | |
3111 | } | |
16660edb | 3112 | |
bbce6d69 | 3113 | I32 |
8ac85365 | 3114 | sv_cmp_locale(register SV *sv1, register SV *sv2) |
bbce6d69 | 3115 | { |
36477c24 | 3116 | #ifdef USE_LOCALE_COLLATE |
16660edb | 3117 | |
bbce6d69 | 3118 | char *pv1, *pv2; |
3119 | STRLEN len1, len2; | |
3120 | I32 retval; | |
16660edb | 3121 | |
bbce6d69 | 3122 | if (collation_standard) |
3123 | goto raw_compare; | |
16660edb | 3124 | |
bbce6d69 | 3125 | len1 = 0; |
8ac85365 | 3126 | pv1 = sv1 ? sv_collxfrm(sv1, &len1) : (char *) NULL; |
bbce6d69 | 3127 | len2 = 0; |
8ac85365 | 3128 | pv2 = sv2 ? sv_collxfrm(sv2, &len2) : (char *) NULL; |
16660edb | 3129 | |
bbce6d69 | 3130 | if (!pv1 || !len1) { |
3131 | if (pv2 && len2) | |
3132 | return -1; | |
3133 | else | |
3134 | goto raw_compare; | |
3135 | } | |
3136 | else { | |
3137 | if (!pv2 || !len2) | |
3138 | return 1; | |
3139 | } | |
16660edb | 3140 | |
bbce6d69 | 3141 | retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2); |
16660edb | 3142 | |
bbce6d69 | 3143 | if (retval) |
16660edb | 3144 | return retval < 0 ? -1 : 1; |
3145 | ||
bbce6d69 | 3146 | /* |
3147 | * When the result of collation is equality, that doesn't mean | |
3148 | * that there are no differences -- some locales exclude some | |
3149 | * characters from consideration. So to avoid false equalities, | |
3150 | * we use the raw string as a tiebreaker. | |
3151 | */ | |
16660edb | 3152 | |
bbce6d69 | 3153 | raw_compare: |
3154 | /* FALL THROUGH */ | |
16660edb | 3155 | |
36477c24 | 3156 | #endif /* USE_LOCALE_COLLATE */ |
16660edb | 3157 | |
bbce6d69 | 3158 | return sv_cmp(sv1, sv2); |
3159 | } | |
79072805 | 3160 | |
36477c24 | 3161 | #ifdef USE_LOCALE_COLLATE |
7a4c00b4 | 3162 | /* |
3163 | * Any scalar variable may carry an 'o' magic that contains the | |
3164 | * scalar data of the variable transformed to such a format that | |
3165 | * a normal memory comparison can be used to compare the data | |
3166 | * according to the locale settings. | |
3167 | */ | |
bbce6d69 | 3168 | char * |
8ac85365 | 3169 | sv_collxfrm(SV *sv, STRLEN *nxp) |
bbce6d69 | 3170 | { |
7a4c00b4 | 3171 | MAGIC *mg; |
16660edb | 3172 | |
8ac85365 | 3173 | mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : (MAGIC *) NULL; |
7a4c00b4 | 3174 | if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != collation_ix) { |
bbce6d69 | 3175 | char *s, *xf; |
3176 | STRLEN len, xlen; | |
3177 | ||
7a4c00b4 | 3178 | if (mg) |
3179 | Safefree(mg->mg_ptr); | |
bbce6d69 | 3180 | s = SvPV(sv, len); |
3181 | if ((xf = mem_collxfrm(s, len, &xlen))) { | |
ff0cee69 | 3182 | if (SvREADONLY(sv)) { |
3183 | SAVEFREEPV(xf); | |
3184 | *nxp = xlen; | |
fb73857a | 3185 | return xf + sizeof(collation_ix); |
ff0cee69 | 3186 | } |
7a4c00b4 | 3187 | if (! mg) { |
3188 | sv_magic(sv, 0, 'o', 0, 0); | |
3189 | mg = mg_find(sv, 'o'); | |
3190 | assert(mg); | |
bbce6d69 | 3191 | } |
7a4c00b4 | 3192 | mg->mg_ptr = xf; |
565764a8 | 3193 | mg->mg_len = xlen; |
7a4c00b4 | 3194 | } |
3195 | else { | |
ff0cee69 | 3196 | if (mg) { |
3197 | mg->mg_ptr = NULL; | |
565764a8 | 3198 | mg->mg_len = -1; |
ff0cee69 | 3199 | } |
bbce6d69 | 3200 | } |
3201 | } | |
7a4c00b4 | 3202 | if (mg && mg->mg_ptr) { |
565764a8 | 3203 | *nxp = mg->mg_len; |
bbce6d69 | 3204 | return mg->mg_ptr + sizeof(collation_ix); |
3205 | } | |
3206 | else { | |
3207 | *nxp = 0; | |
3208 | return NULL; | |
16660edb | 3209 | } |
79072805 LW |
3210 | } |
3211 | ||
36477c24 | 3212 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 3213 | |
79072805 | 3214 | char * |
76e3520e | 3215 | sv_gets(register SV *sv, register PerlIO *fp, I32 append) |
79072805 | 3216 | { |
aeea060c | 3217 | dTHR; |
c07a80fd | 3218 | char *rsptr; |
3219 | STRLEN rslen; | |
3220 | register STDCHAR rslast; | |
3221 | register STDCHAR *bp; | |
3222 | register I32 cnt; | |
3223 | I32 i; | |
3224 | ||
2213622d | 3225 | SV_CHECK_THINKFIRST(sv); |
c6f8c383 | 3226 | (void)SvUPGRADE(sv, SVt_PV); |
ff68c719 | 3227 | SvSCREAM_off(sv); |
c07a80fd | 3228 | |
3229 | if (RsSNARF(rs)) { | |
3230 | rsptr = NULL; | |
3231 | rslen = 0; | |
3232 | } | |
5b2b9c68 HM |
3233 | else if (RsRECORD(rs)) { |
3234 | I32 recsize, bytesread; | |
3235 | char *buffer; | |
3236 | ||
3237 | /* Grab the size of the record we're getting */ | |
3238 | recsize = SvIV(SvRV(rs)); | |
3239 | (void)SvPOK_only(sv); /* Validate pointer */ | |
3240 | /* Make sure we've got the room to yank in the whole thing */ | |
3241 | if (SvLEN(sv) <= recsize + 3) { | |
3242 | /* No, so make it bigger */ | |
3243 | SvGROW(sv, recsize + 3); | |
3244 | } | |
3245 | buffer = SvPVX(sv); /* Get the location of the final buffer */ | |
3246 | /* Go yank in */ | |
3247 | #ifdef VMS | |
3248 | /* VMS wants read instead of fread, because fread doesn't respect */ | |
3249 | /* RMS record boundaries. This is not necessarily a good thing to be */ | |
3250 | /* doing, but we've got no other real choice */ | |
3251 | bytesread = PerlLIO_read(PerlIO_fileno(fp), buffer, recsize); | |
3252 | #else | |
3253 | bytesread = PerlIO_read(fp, buffer, recsize); | |
3254 | #endif | |
3255 | SvCUR_set(sv, bytesread); | |
3256 | return(SvCUR(sv) ? SvPVX(sv) : Nullch); | |
3257 | } | |
c07a80fd | 3258 | else if (RsPARA(rs)) { |
3259 | rsptr = "\n\n"; | |
3260 | rslen = 2; | |
3261 | } | |
3262 | else | |
3263 | rsptr = SvPV(rs, rslen); | |
3264 | rslast = rslen ? rsptr[rslen - 1] : '\0'; | |
3265 | ||
3266 | if (RsPARA(rs)) { /* have to do this both before and after */ | |
79072805 | 3267 | do { /* to make sure file boundaries work right */ |
760ac839 | 3268 | if (PerlIO_eof(fp)) |
a0d0e21e | 3269 | return 0; |
760ac839 | 3270 | i = PerlIO_getc(fp); |
79072805 | 3271 | if (i != '\n') { |
a0d0e21e LW |
3272 | if (i == -1) |
3273 | return 0; | |
760ac839 | 3274 | PerlIO_ungetc(fp,i); |
79072805 LW |
3275 | break; |
3276 | } | |
3277 | } while (i != EOF); | |
3278 | } | |
c07a80fd | 3279 | |
760ac839 LW |
3280 | /* See if we know enough about I/O mechanism to cheat it ! */ |
3281 | ||
3282 | /* This used to be #ifdef test - it is made run-time test for ease | |
3283 | of abstracting out stdio interface. One call should be cheap | |
3284 | enough here - and may even be a macro allowing compile | |
3285 | time optimization. | |
3286 | */ | |
3287 | ||
3288 | if (PerlIO_fast_gets(fp)) { | |
3289 | ||
3290 | /* | |
3291 | * We're going to steal some values from the stdio struct | |
3292 | * and put EVERYTHING in the innermost loop into registers. | |
3293 | */ | |
3294 | register STDCHAR *ptr; | |
3295 | STRLEN bpx; | |
3296 | I32 shortbuffered; | |
3297 | ||
16660edb | 3298 | #if defined(VMS) && defined(PERLIO_IS_STDIO) |
3299 | /* An ungetc()d char is handled separately from the regular | |
3300 | * buffer, so we getc() it back out and stuff it in the buffer. | |
3301 | */ | |
3302 | i = PerlIO_getc(fp); | |
3303 | if (i == EOF) return 0; | |
3304 | *(--((*fp)->_ptr)) = (unsigned char) i; | |
3305 | (*fp)->_cnt++; | |
3306 | #endif | |
c07a80fd | 3307 | |
c2960299 | 3308 | /* Here is some breathtakingly efficient cheating */ |
c07a80fd | 3309 | |
760ac839 | 3310 | cnt = PerlIO_get_cnt(fp); /* get count into register */ |
a0d0e21e | 3311 | (void)SvPOK_only(sv); /* validate pointer */ |
79072805 LW |
3312 | if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ |
3313 | if (cnt > 80 && SvLEN(sv) > append) { | |
3314 | shortbuffered = cnt - SvLEN(sv) + append + 1; | |
3315 | cnt -= shortbuffered; | |
3316 | } | |
3317 | else { | |
3318 | shortbuffered = 0; | |
bbce6d69 | 3319 | /* remember that cnt can be negative */ |
3320 | SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1))); | |
79072805 LW |
3321 | } |
3322 | } | |
3323 | else | |
3324 | shortbuffered = 0; | |
c07a80fd | 3325 | bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */ |
760ac839 | 3326 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); |
16660edb | 3327 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3328 | "Screamer: entering, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
16660edb | 3329 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3330 | "Screamer: entering: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3331 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3332 | (long)(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 LW |
3333 | for (;;) { |
3334 | screamer: | |
93a17b20 | 3335 | if (cnt > 0) { |
c07a80fd | 3336 | if (rslen) { |
760ac839 LW |
3337 | while (cnt > 0) { /* this | eat */ |
3338 | cnt--; | |
c07a80fd | 3339 | if ((*bp++ = *ptr++) == rslast) /* really | dust */ |
3340 | goto thats_all_folks; /* screams | sed :-) */ | |
3341 | } | |
3342 | } | |
3343 | else { | |
36477c24 | 3344 | Copy(ptr, bp, cnt, char); /* this | eat */ |
c07a80fd | 3345 | bp += cnt; /* screams | dust */ |
3346 | ptr += cnt; /* louder | sed :-) */ | |
a5f75d66 | 3347 | cnt = 0; |
93a17b20 | 3348 | } |
79072805 LW |
3349 | } |
3350 | ||
748a9306 | 3351 | if (shortbuffered) { /* oh well, must extend */ |
79072805 LW |
3352 | cnt = shortbuffered; |
3353 | shortbuffered = 0; | |
c07a80fd | 3354 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3355 | SvCUR_set(sv, bpx); |
3356 | SvGROW(sv, SvLEN(sv) + append + cnt + 2); | |
c07a80fd | 3357 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
79072805 LW |
3358 | continue; |
3359 | } | |
3360 | ||
16660edb | 3361 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3362 | "Screamer: going to getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3363 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */ |
16660edb | 3364 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3365 | "Screamer: pre: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3366 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3367 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
16660edb | 3368 | /* This used to call 'filbuf' in stdio form, but as that behaves like |
774d564b | 3369 | getc when cnt <= 0 we use PerlIO_getc here to avoid introducing |
3370 | another abstraction. */ | |
760ac839 | 3371 | i = PerlIO_getc(fp); /* get more characters */ |
16660edb | 3372 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3373 | "Screamer: post: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3374 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3375 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
760ac839 LW |
3376 | cnt = PerlIO_get_cnt(fp); |
3377 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */ | |
16660edb | 3378 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3379 | "Screamer: after getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
79072805 | 3380 | |
748a9306 LW |
3381 | if (i == EOF) /* all done for ever? */ |
3382 | goto thats_really_all_folks; | |
3383 | ||
c07a80fd | 3384 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3385 | SvCUR_set(sv, bpx); |
3386 | SvGROW(sv, bpx + cnt + 2); | |
c07a80fd | 3387 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
3388 | ||
760ac839 | 3389 | *bp++ = i; /* store character from PerlIO_getc */ |
79072805 | 3390 | |
c07a80fd | 3391 | if (rslen && (STDCHAR)i == rslast) /* all done for now? */ |
79072805 | 3392 | goto thats_all_folks; |
79072805 LW |
3393 | } |
3394 | ||
3395 | thats_all_folks: | |
c07a80fd | 3396 | if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) || |
36477c24 | 3397 | memNE((char*)bp - rslen, rsptr, rslen)) |
760ac839 | 3398 | goto screamer; /* go back to the fray */ |
79072805 LW |
3399 | thats_really_all_folks: |
3400 | if (shortbuffered) | |
3401 | cnt += shortbuffered; | |
16660edb | 3402 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3403 | "Screamer: quitting, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3404 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */ |
16660edb | 3405 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3406 | "Screamer: end: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3407 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3408 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 | 3409 | *bp = '\0'; |
760ac839 | 3410 | SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */ |
16660edb | 3411 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
fb73857a | 3412 | "Screamer: done, len=%ld, string=|%.*s|\n", |
3413 | (long)SvCUR(sv),(int)SvCUR(sv),SvPVX(sv))); | |
760ac839 LW |
3414 | } |
3415 | else | |
79072805 | 3416 | { |
760ac839 | 3417 | /*The big, slow, and stupid way */ |
c07a80fd | 3418 | STDCHAR buf[8192]; |
79072805 | 3419 | |
760ac839 | 3420 | screamer2: |
c07a80fd | 3421 | if (rslen) { |
760ac839 LW |
3422 | register STDCHAR *bpe = buf + sizeof(buf); |
3423 | bp = buf; | |
3424 | while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe) | |
3425 | ; /* keep reading */ | |
3426 | cnt = bp - buf; | |
c07a80fd | 3427 | } |
3428 | else { | |
760ac839 | 3429 | cnt = PerlIO_read(fp,(char*)buf, sizeof(buf)); |
16660edb | 3430 | /* Accomodate broken VAXC compiler, which applies U8 cast to |
3431 | * both args of ?: operator, causing EOF to change into 255 | |
3432 | */ | |
3433 | if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; } | |
c07a80fd | 3434 | } |
79072805 LW |
3435 | |
3436 | if (append) | |
760ac839 | 3437 | sv_catpvn(sv, (char *) buf, cnt); |
79072805 | 3438 | else |
760ac839 | 3439 | sv_setpvn(sv, (char *) buf, cnt); |
c07a80fd | 3440 | |
3441 | if (i != EOF && /* joy */ | |
3442 | (!rslen || | |
3443 | SvCUR(sv) < rslen || | |
36477c24 | 3444 | memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen))) |
79072805 LW |
3445 | { |
3446 | append = -1; | |
63e4d877 CS |
3447 | /* |
3448 | * If we're reading from a TTY and we get a short read, | |
3449 | * indicating that the user hit his EOF character, we need | |
3450 | * to notice it now, because if we try to read from the TTY | |
3451 | * again, the EOF condition will disappear. | |
3452 | * | |
3453 | * The comparison of cnt to sizeof(buf) is an optimization | |
3454 | * that prevents unnecessary calls to feof(). | |
3455 | * | |
3456 | * - jik 9/25/96 | |
3457 | */ | |
3458 | if (!(cnt < sizeof(buf) && PerlIO_eof(fp))) | |
3459 | goto screamer2; | |
79072805 LW |
3460 | } |
3461 | } | |
3462 | ||
c07a80fd | 3463 | if (RsPARA(rs)) { /* have to do this both before and after */ |
3464 | while (i != EOF) { /* to make sure file boundaries work right */ | |
760ac839 | 3465 | i = PerlIO_getc(fp); |
79072805 | 3466 | if (i != '\n') { |
760ac839 | 3467 | PerlIO_ungetc(fp,i); |
79072805 LW |
3468 | break; |
3469 | } | |
3470 | } | |
3471 | } | |
c07a80fd | 3472 | |
a868473f NIS |
3473 | #ifdef WIN32 |
3474 | win32_strip_return(sv); | |
3475 | #endif | |
3476 | ||
c07a80fd | 3477 | return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch; |
79072805 LW |
3478 | } |
3479 | ||
760ac839 | 3480 | |
79072805 | 3481 | void |
8ac85365 | 3482 | sv_inc(register SV *sv) |
79072805 LW |
3483 | { |
3484 | register char *d; | |
463ee0b2 | 3485 | int flags; |
79072805 LW |
3486 | |
3487 | if (!sv) | |
3488 | return; | |
ed6116ce | 3489 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3490 | if (SvREADONLY(sv)) { |
3491 | dTHR; | |
3492 | if (curcop != &compiling) | |
3493 | croak(no_modify); | |
3494 | } | |
a0d0e21e | 3495 | if (SvROK(sv)) { |
b5be31e9 | 3496 | IV i; |
a0d0e21e | 3497 | #ifdef OVERLOAD |
b5be31e9 | 3498 | if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return; |
a0d0e21e | 3499 | #endif /* OVERLOAD */ |
b5be31e9 SM |
3500 | i = (IV)SvRV(sv); |
3501 | sv_unref(sv); | |
3502 | sv_setiv(sv, i); | |
a0d0e21e | 3503 | } |
ed6116ce | 3504 | } |
8990e307 | 3505 | if (SvGMAGICAL(sv)) |
79072805 | 3506 | mg_get(sv); |
8990e307 | 3507 | flags = SvFLAGS(sv); |
8990e307 | 3508 | if (flags & SVp_NOK) { |
a0d0e21e | 3509 | (void)SvNOK_only(sv); |
55497cff | 3510 | SvNVX(sv) += 1.0; |
3511 | return; | |
3512 | } | |
3513 | if (flags & SVp_IOK) { | |
3514 | if (SvIVX(sv) == IV_MAX) | |
3515 | sv_setnv(sv, (double)IV_MAX + 1.0); | |
3516 | else { | |
3517 | (void)SvIOK_only(sv); | |
3518 | ++SvIVX(sv); | |
3519 | } | |
79072805 LW |
3520 | return; |
3521 | } | |
8990e307 | 3522 | if (!(flags & SVp_POK) || !*SvPVX(sv)) { |
4633a7c4 LW |
3523 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3524 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3525 | SvNVX(sv) = 1.0; |
a0d0e21e | 3526 | (void)SvNOK_only(sv); |
79072805 LW |
3527 | return; |
3528 | } | |
463ee0b2 | 3529 | d = SvPVX(sv); |
79072805 LW |
3530 | while (isALPHA(*d)) d++; |
3531 | while (isDIGIT(*d)) d++; | |
3532 | if (*d) { | |
36477c24 | 3533 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3534 | sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */ |
79072805 LW |
3535 | return; |
3536 | } | |
3537 | d--; | |
463ee0b2 | 3538 | while (d >= SvPVX(sv)) { |
79072805 LW |
3539 | if (isDIGIT(*d)) { |
3540 | if (++*d <= '9') | |
3541 | return; | |
3542 | *(d--) = '0'; | |
3543 | } | |
3544 | else { | |
3545 | ++*d; | |
3546 | if (isALPHA(*d)) | |
3547 | return; | |
3548 | *(d--) -= 'z' - 'a' + 1; | |
3549 | } | |
3550 | } | |
3551 | /* oh,oh, the number grew */ | |
3552 | SvGROW(sv, SvCUR(sv) + 2); | |
3553 | SvCUR(sv)++; | |
463ee0b2 | 3554 | for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--) |
79072805 LW |
3555 | *d = d[-1]; |
3556 | if (isDIGIT(d[1])) | |
3557 | *d = '1'; | |
3558 | else | |
3559 | *d = d[1]; | |
3560 | } | |
3561 | ||
3562 | void | |
8ac85365 | 3563 | sv_dec(register SV *sv) |
79072805 | 3564 | { |
463ee0b2 LW |
3565 | int flags; |
3566 | ||
79072805 LW |
3567 | if (!sv) |
3568 | return; | |
ed6116ce | 3569 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3570 | if (SvREADONLY(sv)) { |
3571 | dTHR; | |
3572 | if (curcop != &compiling) | |
3573 | croak(no_modify); | |
3574 | } | |
a0d0e21e | 3575 | if (SvROK(sv)) { |
b5be31e9 | 3576 | IV i; |
a0d0e21e | 3577 | #ifdef OVERLOAD |
b5be31e9 | 3578 | if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return; |
a0d0e21e | 3579 | #endif /* OVERLOAD */ |
b5be31e9 SM |
3580 | i = (IV)SvRV(sv); |
3581 | sv_unref(sv); | |
3582 | sv_setiv(sv, i); | |
a0d0e21e | 3583 | } |
ed6116ce | 3584 | } |
8990e307 | 3585 | if (SvGMAGICAL(sv)) |
79072805 | 3586 | mg_get(sv); |
8990e307 | 3587 | flags = SvFLAGS(sv); |
8990e307 | 3588 | if (flags & SVp_NOK) { |
463ee0b2 | 3589 | SvNVX(sv) -= 1.0; |
a0d0e21e | 3590 | (void)SvNOK_only(sv); |
79072805 LW |
3591 | return; |
3592 | } | |
55497cff | 3593 | if (flags & SVp_IOK) { |
3594 | if (SvIVX(sv) == IV_MIN) | |
3595 | sv_setnv(sv, (double)IV_MIN - 1.0); | |
3596 | else { | |
3597 | (void)SvIOK_only(sv); | |
3598 | --SvIVX(sv); | |
3599 | } | |
3600 | return; | |
3601 | } | |
8990e307 | 3602 | if (!(flags & SVp_POK)) { |
4633a7c4 LW |
3603 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3604 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3605 | SvNVX(sv) = -1.0; |
a0d0e21e | 3606 | (void)SvNOK_only(sv); |
79072805 LW |
3607 | return; |
3608 | } | |
36477c24 | 3609 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3610 | sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */ |
79072805 LW |
3611 | } |
3612 | ||
3613 | /* Make a string that will exist for the duration of the expression | |
3614 | * evaluation. Actually, it may have to last longer than that, but | |
3615 | * hopefully we won't free it until it has been assigned to a | |
3616 | * permanent location. */ | |
3617 | ||
76e3520e | 3618 | STATIC void |
8ac85365 | 3619 | sv_mortalgrow(void) |
8990e307 | 3620 | { |
11343788 | 3621 | dTHR; |
55497cff | 3622 | tmps_max += (tmps_max < 512) ? 128 : 512; |
8990e307 LW |
3623 | Renew(tmps_stack, tmps_max, SV*); |
3624 | } | |
3625 | ||
79072805 | 3626 | SV * |
8ac85365 | 3627 | sv_mortalcopy(SV *oldstr) |
79072805 | 3628 | { |
11343788 | 3629 | dTHR; |
463ee0b2 | 3630 | register SV *sv; |
79072805 | 3631 | |
4561caa4 | 3632 | new_SV(sv); |
8990e307 LW |
3633 | SvANY(sv) = 0; |
3634 | SvREFCNT(sv) = 1; | |
3635 | SvFLAGS(sv) = 0; | |
79072805 | 3636 | sv_setsv(sv,oldstr); |
8990e307 LW |
3637 | if (++tmps_ix >= tmps_max) |
3638 | sv_mortalgrow(); | |
3639 | tmps_stack[tmps_ix] = sv; | |
3640 | SvTEMP_on(sv); | |
3641 | return sv; | |
3642 | } | |
3643 | ||
3644 | SV * | |
8ac85365 | 3645 | sv_newmortal(void) |
8990e307 | 3646 | { |
11343788 | 3647 | dTHR; |
8990e307 LW |
3648 | register SV *sv; |
3649 | ||
4561caa4 | 3650 | new_SV(sv); |
8990e307 LW |
3651 | SvANY(sv) = 0; |
3652 | SvREFCNT(sv) = 1; | |
3653 | SvFLAGS(sv) = SVs_TEMP; | |
3654 | if (++tmps_ix >= tmps_max) | |
3655 | sv_mortalgrow(); | |
79072805 | 3656 | tmps_stack[tmps_ix] = sv; |
79072805 LW |
3657 | return sv; |
3658 | } | |
3659 | ||
3660 | /* same thing without the copying */ | |
3661 | ||
3662 | SV * | |
8ac85365 | 3663 | sv_2mortal(register SV *sv) |
79072805 | 3664 | { |
11343788 | 3665 | dTHR; |
79072805 LW |
3666 | if (!sv) |
3667 | return sv; | |
d689ffdd | 3668 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) |
11162842 | 3669 | return sv; |
8990e307 LW |
3670 | if (++tmps_ix >= tmps_max) |
3671 | sv_mortalgrow(); | |
79072805 | 3672 | tmps_stack[tmps_ix] = sv; |
8990e307 | 3673 | SvTEMP_on(sv); |
79072805 LW |
3674 | return sv; |
3675 | } | |
3676 | ||
3677 | SV * | |
8ac85365 | 3678 | newSVpv(char *s, STRLEN len) |
79072805 | 3679 | { |
463ee0b2 | 3680 | register SV *sv; |
79072805 | 3681 | |
4561caa4 | 3682 | new_SV(sv); |
8990e307 LW |
3683 | SvANY(sv) = 0; |
3684 | SvREFCNT(sv) = 1; | |
3685 | SvFLAGS(sv) = 0; | |
79072805 LW |
3686 | if (!len) |
3687 | len = strlen(s); | |
3688 | sv_setpvn(sv,s,len); | |
3689 | return sv; | |
3690 | } | |
3691 | ||
9da1e3b5 | 3692 | SV * |
9d8a25dc | 3693 | newSVpvn(char *s, STRLEN len) |
9da1e3b5 MUN |
3694 | { |
3695 | register SV *sv; | |
3696 | ||
3697 | new_SV(sv); | |
3698 | SvANY(sv) = 0; | |
3699 | SvREFCNT(sv) = 1; | |
3700 | SvFLAGS(sv) = 0; | |
3701 | sv_setpvn(sv,s,len); | |
3702 | return sv; | |
3703 | } | |
3704 | ||
46fc3d4c | 3705 | SV * |
3706 | newSVpvf(const char* pat, ...) | |
46fc3d4c | 3707 | { |
3708 | register SV *sv; | |
3709 | va_list args; | |
3710 | ||
3711 | new_SV(sv); | |
3712 | SvANY(sv) = 0; | |
3713 | SvREFCNT(sv) = 1; | |
3714 | SvFLAGS(sv) = 0; | |
46fc3d4c | 3715 | va_start(args, pat); |
fc36a67e | 3716 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 3717 | va_end(args); |
3718 | return sv; | |
3719 | } | |
3720 | ||
3721 | ||
79072805 | 3722 | SV * |
8ac85365 | 3723 | newSVnv(double n) |
79072805 | 3724 | { |
463ee0b2 | 3725 | register SV *sv; |
79072805 | 3726 | |
4561caa4 | 3727 | new_SV(sv); |
8990e307 LW |
3728 | SvANY(sv) = 0; |
3729 | SvREFCNT(sv) = 1; | |
3730 | SvFLAGS(sv) = 0; | |
79072805 LW |
3731 | sv_setnv(sv,n); |
3732 | return sv; | |
3733 | } | |
3734 | ||
3735 | SV * | |
8ac85365 | 3736 | newSViv(IV i) |
79072805 | 3737 | { |
463ee0b2 | 3738 | register SV *sv; |
79072805 | 3739 | |
4561caa4 | 3740 | new_SV(sv); |
8990e307 LW |
3741 | SvANY(sv) = 0; |
3742 | SvREFCNT(sv) = 1; | |
3743 | SvFLAGS(sv) = 0; | |
79072805 LW |
3744 | sv_setiv(sv,i); |
3745 | return sv; | |
3746 | } | |
3747 | ||
2304df62 | 3748 | SV * |
d689ffdd | 3749 | newRV_noinc(SV *tmpRef) |
2304df62 | 3750 | { |
11343788 | 3751 | dTHR; |
2304df62 AD |
3752 | register SV *sv; |
3753 | ||
4561caa4 | 3754 | new_SV(sv); |
2304df62 AD |
3755 | SvANY(sv) = 0; |
3756 | SvREFCNT(sv) = 1; | |
3757 | SvFLAGS(sv) = 0; | |
3758 | sv_upgrade(sv, SVt_RV); | |
76e3520e | 3759 | SvTEMP_off(tmpRef); |
d689ffdd | 3760 | SvRV(sv) = tmpRef; |
2304df62 | 3761 | SvROK_on(sv); |
2304df62 AD |
3762 | return sv; |
3763 | } | |
3764 | ||
5f05dabc | 3765 | SV * |
d689ffdd | 3766 | newRV(SV *tmpRef) |
5f05dabc | 3767 | { |
5f6447b6 | 3768 | return newRV_noinc(SvREFCNT_inc(tmpRef)); |
5f05dabc | 3769 | } |
5f05dabc | 3770 | |
79072805 LW |
3771 | /* make an exact duplicate of old */ |
3772 | ||
3773 | SV * | |
8ac85365 | 3774 | newSVsv(register SV *old) |
79072805 | 3775 | { |
463ee0b2 | 3776 | register SV *sv; |
79072805 LW |
3777 | |
3778 | if (!old) | |
3779 | return Nullsv; | |
8990e307 | 3780 | if (SvTYPE(old) == SVTYPEMASK) { |
79072805 LW |
3781 | warn("semi-panic: attempt to dup freed string"); |
3782 | return Nullsv; | |
3783 | } | |
4561caa4 | 3784 | new_SV(sv); |
8990e307 LW |
3785 | SvANY(sv) = 0; |
3786 | SvREFCNT(sv) = 1; | |
3787 | SvFLAGS(sv) = 0; | |
ff68c719 | 3788 | if (SvTEMP(old)) { |
3789 | SvTEMP_off(old); | |
463ee0b2 | 3790 | sv_setsv(sv,old); |
ff68c719 | 3791 | SvTEMP_on(old); |
79072805 LW |
3792 | } |
3793 | else | |
463ee0b2 LW |
3794 | sv_setsv(sv,old); |
3795 | return sv; | |
79072805 LW |
3796 | } |
3797 | ||
3798 | void | |
8ac85365 | 3799 | sv_reset(register char *s, HV *stash) |
79072805 LW |
3800 | { |
3801 | register HE *entry; | |
3802 | register GV *gv; | |
3803 | register SV *sv; | |
3804 | register I32 i; | |
3805 | register PMOP *pm; | |
3806 | register I32 max; | |
463ee0b2 | 3807 | char todo[256]; |
79072805 | 3808 | |
49d8d3a1 MB |
3809 | if (!stash) |
3810 | return; | |
3811 | ||
79072805 LW |
3812 | if (!*s) { /* reset ?? searches */ |
3813 | for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) { | |
48c036b1 | 3814 | pm->op_pmdynflags &= ~PMdf_USED; |
79072805 LW |
3815 | } |
3816 | return; | |
3817 | } | |
3818 | ||
3819 | /* reset variables */ | |
3820 | ||
3821 | if (!HvARRAY(stash)) | |
3822 | return; | |
463ee0b2 LW |
3823 | |
3824 | Zero(todo, 256, char); | |
79072805 LW |
3825 | while (*s) { |
3826 | i = *s; | |
3827 | if (s[1] == '-') { | |
3828 | s += 2; | |
3829 | } | |
3830 | max = *s++; | |
3831 | for ( ; i <= max; i++) { | |
463ee0b2 LW |
3832 | todo[i] = 1; |
3833 | } | |
a0d0e21e | 3834 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
79072805 LW |
3835 | for (entry = HvARRAY(stash)[i]; |
3836 | entry; | |
1edc1566 | 3837 | entry = HeNEXT(entry)) { |
3838 | if (!todo[(U8)*HeKEY(entry)]) | |
463ee0b2 | 3839 | continue; |
1edc1566 | 3840 | gv = (GV*)HeVAL(entry); |
79072805 | 3841 | sv = GvSV(gv); |
a0d0e21e | 3842 | (void)SvOK_off(sv); |
79072805 LW |
3843 | if (SvTYPE(sv) >= SVt_PV) { |
3844 | SvCUR_set(sv, 0); | |
463ee0b2 LW |
3845 | if (SvPVX(sv) != Nullch) |
3846 | *SvPVX(sv) = '\0'; | |
44a8e56a | 3847 | SvTAINT(sv); |
79072805 LW |
3848 | } |
3849 | if (GvAV(gv)) { | |
3850 | av_clear(GvAV(gv)); | |
3851 | } | |
44a8e56a | 3852 | if (GvHV(gv) && !HvNAME(GvHV(gv))) { |
463ee0b2 | 3853 | hv_clear(GvHV(gv)); |
a0d0e21e | 3854 | #ifndef VMS /* VMS has no environ array */ |
79072805 LW |
3855 | if (gv == envgv) |
3856 | environ[0] = Nullch; | |
a0d0e21e | 3857 | #endif |
79072805 LW |
3858 | } |
3859 | } | |
3860 | } | |
3861 | } | |
3862 | } | |
3863 | ||
46fc3d4c | 3864 | IO* |
8ac85365 | 3865 | sv_2io(SV *sv) |
46fc3d4c | 3866 | { |
3867 | IO* io; | |
3868 | GV* gv; | |
3869 | ||
3870 | switch (SvTYPE(sv)) { | |
3871 | case SVt_PVIO: | |
3872 | io = (IO*)sv; | |
3873 | break; | |
3874 | case SVt_PVGV: | |
3875 | gv = (GV*)sv; | |
3876 | io = GvIO(gv); | |
3877 | if (!io) | |
3878 | croak("Bad filehandle: %s", GvNAME(gv)); | |
3879 | break; | |
3880 | default: | |
3881 | if (!SvOK(sv)) | |
3882 | croak(no_usym, "filehandle"); | |
3883 | if (SvROK(sv)) | |
3884 | return sv_2io(SvRV(sv)); | |
3885 | gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO); | |
3886 | if (gv) | |
3887 | io = GvIO(gv); | |
3888 | else | |
3889 | io = 0; | |
3890 | if (!io) | |
3891 | croak("Bad filehandle: %s", SvPV(sv,na)); | |
3892 | break; | |
3893 | } | |
3894 | return io; | |
3895 | } | |
3896 | ||
79072805 | 3897 | CV * |
8ac85365 | 3898 | sv_2cv(SV *sv, HV **st, GV **gvp, I32 lref) |
79072805 LW |
3899 | { |
3900 | GV *gv; | |
3901 | CV *cv; | |
3902 | ||
3903 | if (!sv) | |
93a17b20 | 3904 | return *gvp = Nullgv, Nullcv; |
79072805 | 3905 | switch (SvTYPE(sv)) { |
79072805 LW |
3906 | case SVt_PVCV: |
3907 | *st = CvSTASH(sv); | |
3908 | *gvp = Nullgv; | |
3909 | return (CV*)sv; | |
3910 | case SVt_PVHV: | |
3911 | case SVt_PVAV: | |
3912 | *gvp = Nullgv; | |
3913 | return Nullcv; | |
8990e307 LW |
3914 | case SVt_PVGV: |
3915 | gv = (GV*)sv; | |
a0d0e21e | 3916 | *gvp = gv; |
8990e307 LW |
3917 | *st = GvESTASH(gv); |
3918 | goto fix_gv; | |
3919 | ||
79072805 | 3920 | default: |
a0d0e21e LW |
3921 | if (SvGMAGICAL(sv)) |
3922 | mg_get(sv); | |
3923 | if (SvROK(sv)) { | |
3924 | cv = (CV*)SvRV(sv); | |
3925 | if (SvTYPE(cv) != SVt_PVCV) | |
3926 | croak("Not a subroutine reference"); | |
3927 | *gvp = Nullgv; | |
3928 | *st = CvSTASH(cv); | |
3929 | return cv; | |
3930 | } | |
79072805 LW |
3931 | if (isGV(sv)) |
3932 | gv = (GV*)sv; | |
3933 | else | |
85e6fe83 | 3934 | gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV); |
79072805 LW |
3935 | *gvp = gv; |
3936 | if (!gv) | |
3937 | return Nullcv; | |
3938 | *st = GvESTASH(gv); | |
8990e307 | 3939 | fix_gv: |
8ebc5c01 | 3940 | if (lref && !GvCVu(gv)) { |
4633a7c4 | 3941 | SV *tmpsv; |
748a9306 | 3942 | ENTER; |
4633a7c4 | 3943 | tmpsv = NEWSV(704,0); |
16660edb | 3944 | gv_efullname3(tmpsv, gv, Nullch); |
774d564b | 3945 | newSUB(start_subparse(FALSE, 0), |
4633a7c4 LW |
3946 | newSVOP(OP_CONST, 0, tmpsv), |
3947 | Nullop, | |
8990e307 | 3948 | Nullop); |
748a9306 | 3949 | LEAVE; |
8ebc5c01 | 3950 | if (!GvCVu(gv)) |
4633a7c4 | 3951 | croak("Unable to create sub named \"%s\"", SvPV(sv,na)); |
8990e307 | 3952 | } |
8ebc5c01 | 3953 | return GvCVu(gv); |
79072805 LW |
3954 | } |
3955 | } | |
3956 | ||
79072805 | 3957 | I32 |
4e35701f | 3958 | sv_true(register SV *sv) |
79072805 | 3959 | { |
4e35701f | 3960 | dTHR; |
8990e307 LW |
3961 | if (!sv) |
3962 | return 0; | |
79072805 | 3963 | if (SvPOK(sv)) { |
4e35701f NIS |
3964 | register XPV* tXpv; |
3965 | if ((tXpv = (XPV*)SvANY(sv)) && | |
3966 | (*tXpv->xpv_pv > '0' || | |
3967 | tXpv->xpv_cur > 1 || | |
3968 | (tXpv->xpv_cur && *tXpv->xpv_pv != '0'))) | |
79072805 LW |
3969 | return 1; |
3970 | else | |
3971 | return 0; | |
3972 | } | |
3973 | else { | |
3974 | if (SvIOK(sv)) | |
463ee0b2 | 3975 | return SvIVX(sv) != 0; |
79072805 LW |
3976 | else { |
3977 | if (SvNOK(sv)) | |
463ee0b2 | 3978 | return SvNVX(sv) != 0.0; |
79072805 | 3979 | else |
463ee0b2 | 3980 | return sv_2bool(sv); |
79072805 LW |
3981 | } |
3982 | } | |
3983 | } | |
79072805 | 3984 | |
ff68c719 | 3985 | IV |
4e35701f | 3986 | sv_iv(register SV *sv) |
85e6fe83 | 3987 | { |
ff68c719 | 3988 | if (SvIOK(sv)) |
3989 | return SvIVX(sv); | |
3990 | return sv_2iv(sv); | |
85e6fe83 | 3991 | } |
85e6fe83 | 3992 | |
ff68c719 | 3993 | UV |
4e35701f | 3994 | sv_uv(register SV *sv) |
ff68c719 | 3995 | { |
3996 | if (SvIOK(sv)) | |
3997 | return SvUVX(sv); | |
3998 | return sv_2uv(sv); | |
3999 | } | |
85e6fe83 | 4000 | |
ff68c719 | 4001 | double |
4e35701f | 4002 | sv_nv(register SV *sv) |
79072805 | 4003 | { |
ff68c719 | 4004 | if (SvNOK(sv)) |
4005 | return SvNVX(sv); | |
4006 | return sv_2nv(sv); | |
79072805 | 4007 | } |
79072805 | 4008 | |
79072805 | 4009 | char * |
8ac85365 | 4010 | sv_pvn(SV *sv, STRLEN *lp) |
79072805 | 4011 | { |
85e6fe83 LW |
4012 | if (SvPOK(sv)) { |
4013 | *lp = SvCUR(sv); | |
a0d0e21e | 4014 | return SvPVX(sv); |
85e6fe83 | 4015 | } |
463ee0b2 | 4016 | return sv_2pv(sv, lp); |
79072805 | 4017 | } |
79072805 | 4018 | |
a0d0e21e | 4019 | char * |
8ac85365 | 4020 | sv_pvn_force(SV *sv, STRLEN *lp) |
a0d0e21e LW |
4021 | { |
4022 | char *s; | |
4023 | ||
0f15f207 MB |
4024 | if (SvREADONLY(sv)) { |
4025 | dTHR; | |
4026 | if (curcop != &compiling) | |
4027 | croak(no_modify); | |
4028 | } | |
a0d0e21e LW |
4029 | |
4030 | if (SvPOK(sv)) { | |
4031 | *lp = SvCUR(sv); | |
4032 | } | |
4033 | else { | |
748a9306 | 4034 | if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) { |
4633a7c4 | 4035 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) { |
a0d0e21e | 4036 | sv_unglob(sv); |
4633a7c4 LW |
4037 | s = SvPVX(sv); |
4038 | *lp = SvCUR(sv); | |
4039 | } | |
11343788 MB |
4040 | else { |
4041 | dTHR; | |
a0d0e21e LW |
4042 | croak("Can't coerce %s to string in %s", sv_reftype(sv,0), |
4043 | op_name[op->op_type]); | |
11343788 | 4044 | } |
a0d0e21e | 4045 | } |
4633a7c4 LW |
4046 | else |
4047 | s = sv_2pv(sv, lp); | |
a0d0e21e LW |
4048 | if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */ |
4049 | STRLEN len = *lp; | |
4050 | ||
4051 | if (SvROK(sv)) | |
4052 | sv_unref(sv); | |
4053 | (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */ | |
4054 | SvGROW(sv, len + 1); | |
4055 | Move(s,SvPVX(sv),len,char); | |
4056 | SvCUR_set(sv, len); | |
4057 | *SvEND(sv) = '\0'; | |
4058 | } | |
4059 | if (!SvPOK(sv)) { | |
4060 | SvPOK_on(sv); /* validate pointer */ | |
4061 | SvTAINT(sv); | |
760ac839 | 4062 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n", |
a0d0e21e LW |
4063 | (unsigned long)sv,SvPVX(sv))); |
4064 | } | |
4065 | } | |
4066 | return SvPVX(sv); | |
4067 | } | |
4068 | ||
4069 | char * | |
8ac85365 | 4070 | sv_reftype(SV *sv, int ob) |
a0d0e21e LW |
4071 | { |
4072 | if (ob && SvOBJECT(sv)) | |
4073 | return HvNAME(SvSTASH(sv)); | |
4074 | else { | |
4075 | switch (SvTYPE(sv)) { | |
4076 | case SVt_NULL: | |
4077 | case SVt_IV: | |
4078 | case SVt_NV: | |
4079 | case SVt_RV: | |
4080 | case SVt_PV: | |
4081 | case SVt_PVIV: | |
4082 | case SVt_PVNV: | |
4083 | case SVt_PVMG: | |
4084 | case SVt_PVBM: | |
4085 | if (SvROK(sv)) | |
4086 | return "REF"; | |
4087 | else | |
4088 | return "SCALAR"; | |
4089 | case SVt_PVLV: return "LVALUE"; | |
4090 | case SVt_PVAV: return "ARRAY"; | |
4091 | case SVt_PVHV: return "HASH"; | |
4092 | case SVt_PVCV: return "CODE"; | |
4093 | case SVt_PVGV: return "GLOB"; | |
1d2dff63 | 4094 | case SVt_PVFM: return "FORMAT"; |
a0d0e21e LW |
4095 | default: return "UNKNOWN"; |
4096 | } | |
4097 | } | |
4098 | } | |
4099 | ||
463ee0b2 | 4100 | int |
8ac85365 | 4101 | sv_isobject(SV *sv) |
85e6fe83 | 4102 | { |
68dc0745 | 4103 | if (!sv) |
4104 | return 0; | |
4105 | if (SvGMAGICAL(sv)) | |
4106 | mg_get(sv); | |
85e6fe83 LW |
4107 | if (!SvROK(sv)) |
4108 | return 0; | |
4109 | sv = (SV*)SvRV(sv); | |
4110 | if (!SvOBJECT(sv)) | |
4111 | return 0; | |
4112 | return 1; | |
4113 | } | |
4114 | ||
4115 | int | |
8ac85365 | 4116 | sv_isa(SV *sv, char *name) |
463ee0b2 | 4117 | { |
68dc0745 | 4118 | if (!sv) |
4119 | return 0; | |
4120 | if (SvGMAGICAL(sv)) | |
4121 | mg_get(sv); | |
ed6116ce | 4122 | if (!SvROK(sv)) |
463ee0b2 | 4123 | return 0; |
ed6116ce LW |
4124 | sv = (SV*)SvRV(sv); |
4125 | if (!SvOBJECT(sv)) | |
463ee0b2 LW |
4126 | return 0; |
4127 | ||
4128 | return strEQ(HvNAME(SvSTASH(sv)), name); | |
4129 | } | |
4130 | ||
4131 | SV* | |
8ac85365 | 4132 | newSVrv(SV *rv, char *classname) |
463ee0b2 | 4133 | { |
11343788 | 4134 | dTHR; |
463ee0b2 LW |
4135 | SV *sv; |
4136 | ||
4561caa4 | 4137 | new_SV(sv); |
8990e307 | 4138 | SvANY(sv) = 0; |
a0d0e21e | 4139 | SvREFCNT(sv) = 0; |
8990e307 | 4140 | SvFLAGS(sv) = 0; |
51cf62d8 | 4141 | |
2213622d | 4142 | SV_CHECK_THINKFIRST(rv); |
51cf62d8 OT |
4143 | #ifdef OVERLOAD |
4144 | SvAMAGIC_off(rv); | |
4145 | #endif /* OVERLOAD */ | |
4146 | ||
4147 | if (SvTYPE(rv) < SVt_RV) | |
4148 | sv_upgrade(rv, SVt_RV); | |
4149 | ||
4150 | (void)SvOK_off(rv); | |
8990e307 | 4151 | SvRV(rv) = SvREFCNT_inc(sv); |
ed6116ce | 4152 | SvROK_on(rv); |
463ee0b2 | 4153 | |
a0d0e21e LW |
4154 | if (classname) { |
4155 | HV* stash = gv_stashpv(classname, TRUE); | |
4156 | (void)sv_bless(rv, stash); | |
4157 | } | |
4158 | return sv; | |
4159 | } | |
4160 | ||
4161 | SV* | |
8ac85365 | 4162 | sv_setref_pv(SV *rv, char *classname, void *pv) |
a0d0e21e | 4163 | { |
189b2af5 | 4164 | if (!pv) { |
a0d0e21e | 4165 | sv_setsv(rv, &sv_undef); |
189b2af5 GS |
4166 | SvSETMAGIC(rv); |
4167 | } | |
a0d0e21e LW |
4168 | else |
4169 | sv_setiv(newSVrv(rv,classname), (IV)pv); | |
4170 | return rv; | |
4171 | } | |
4172 | ||
4173 | SV* | |
8ac85365 | 4174 | sv_setref_iv(SV *rv, char *classname, IV iv) |
a0d0e21e LW |
4175 | { |
4176 | sv_setiv(newSVrv(rv,classname), iv); | |
4177 | return rv; | |
4178 | } | |
4179 | ||
4180 | SV* | |
8ac85365 | 4181 | sv_setref_nv(SV *rv, char *classname, double nv) |
a0d0e21e LW |
4182 | { |
4183 | sv_setnv(newSVrv(rv,classname), nv); | |
4184 | return rv; | |
4185 | } | |
463ee0b2 | 4186 | |
a0d0e21e | 4187 | SV* |
8ac85365 | 4188 | sv_setref_pvn(SV *rv, char *classname, char *pv, I32 n) |
a0d0e21e LW |
4189 | { |
4190 | sv_setpvn(newSVrv(rv,classname), pv, n); | |
463ee0b2 LW |
4191 | return rv; |
4192 | } | |
4193 | ||
a0d0e21e | 4194 | SV* |
8ac85365 | 4195 | sv_bless(SV *sv, HV *stash) |
a0d0e21e | 4196 | { |
11343788 | 4197 | dTHR; |
76e3520e | 4198 | SV *tmpRef; |
a0d0e21e LW |
4199 | if (!SvROK(sv)) |
4200 | croak("Can't bless non-reference value"); | |
76e3520e GS |
4201 | tmpRef = SvRV(sv); |
4202 | if (SvFLAGS(tmpRef) & (SVs_OBJECT|SVf_READONLY)) { | |
4203 | if (SvREADONLY(tmpRef)) | |
a0d0e21e | 4204 | croak(no_modify); |
76e3520e GS |
4205 | if (SvOBJECT(tmpRef)) { |
4206 | if (SvTYPE(tmpRef) != SVt_PVIO) | |
2e3febc6 | 4207 | --sv_objcount; |
76e3520e | 4208 | SvREFCNT_dec(SvSTASH(tmpRef)); |
2e3febc6 | 4209 | } |
a0d0e21e | 4210 | } |
76e3520e GS |
4211 | SvOBJECT_on(tmpRef); |
4212 | if (SvTYPE(tmpRef) != SVt_PVIO) | |
2e3febc6 | 4213 | ++sv_objcount; |
76e3520e GS |
4214 | (void)SvUPGRADE(tmpRef, SVt_PVMG); |
4215 | SvSTASH(tmpRef) = (HV*)SvREFCNT_inc(stash); | |
a0d0e21e LW |
4216 | |
4217 | #ifdef OVERLOAD | |
2e3febc6 CS |
4218 | if (Gv_AMG(stash)) |
4219 | SvAMAGIC_on(sv); | |
4220 | else | |
4221 | SvAMAGIC_off(sv); | |
a0d0e21e LW |
4222 | #endif /* OVERLOAD */ |
4223 | ||
4224 | return sv; | |
4225 | } | |
4226 | ||
76e3520e | 4227 | STATIC void |
8ac85365 | 4228 | sv_unglob(SV *sv) |
a0d0e21e LW |
4229 | { |
4230 | assert(SvTYPE(sv) == SVt_PVGV); | |
4231 | SvFAKE_off(sv); | |
4232 | if (GvGP(sv)) | |
1edc1566 | 4233 | gp_free((GV*)sv); |
e826b3c7 GS |
4234 | if (GvSTASH(sv)) { |
4235 | SvREFCNT_dec(GvSTASH(sv)); | |
4236 | GvSTASH(sv) = Nullhv; | |
4237 | } | |
a0d0e21e LW |
4238 | sv_unmagic(sv, '*'); |
4239 | Safefree(GvNAME(sv)); | |
a5f75d66 | 4240 | GvMULTI_off(sv); |
a0d0e21e LW |
4241 | SvFLAGS(sv) &= ~SVTYPEMASK; |
4242 | SvFLAGS(sv) |= SVt_PVMG; | |
4243 | } | |
4244 | ||
ed6116ce | 4245 | void |
8ac85365 | 4246 | sv_unref(SV *sv) |
ed6116ce | 4247 | { |
a0d0e21e LW |
4248 | SV* rv = SvRV(sv); |
4249 | ||
ed6116ce LW |
4250 | SvRV(sv) = 0; |
4251 | SvROK_off(sv); | |
4633a7c4 LW |
4252 | if (SvREFCNT(rv) != 1 || SvREADONLY(rv)) |
4253 | SvREFCNT_dec(rv); | |
8e07c86e | 4254 | else |
4633a7c4 | 4255 | sv_2mortal(rv); /* Schedule for freeing later */ |
ed6116ce | 4256 | } |
8990e307 | 4257 | |
bbce6d69 | 4258 | void |
8ac85365 | 4259 | sv_taint(SV *sv) |
bbce6d69 | 4260 | { |
4261 | sv_magic((sv), Nullsv, 't', Nullch, 0); | |
4262 | } | |
4263 | ||
4264 | void | |
8ac85365 | 4265 | sv_untaint(SV *sv) |
bbce6d69 | 4266 | { |
13f57bf8 | 4267 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4268 | MAGIC *mg = mg_find(sv, 't'); |
4269 | if (mg) | |
565764a8 | 4270 | mg->mg_len &= ~1; |
36477c24 | 4271 | } |
bbce6d69 | 4272 | } |
4273 | ||
4274 | bool | |
8ac85365 | 4275 | sv_tainted(SV *sv) |
bbce6d69 | 4276 | { |
13f57bf8 | 4277 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4278 | MAGIC *mg = mg_find(sv, 't'); |
565764a8 | 4279 | if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv)) |
36477c24 | 4280 | return TRUE; |
4281 | } | |
4282 | return FALSE; | |
bbce6d69 | 4283 | } |
4284 | ||
84902520 | 4285 | void |
8ac85365 | 4286 | sv_setpviv(SV *sv, IV iv) |
84902520 TB |
4287 | { |
4288 | STRLEN len; | |
4289 | char buf[TYPE_DIGITS(UV)]; | |
4290 | char *ptr = buf + sizeof(buf); | |
4291 | int sign; | |
4292 | UV uv; | |
4293 | char *p; | |
84902520 TB |
4294 | |
4295 | sv_setpvn(sv, "", 0); | |
4296 | if (iv >= 0) { | |
4297 | uv = iv; | |
4298 | sign = 0; | |
4299 | } else { | |
4300 | uv = -iv; | |
4301 | sign = 1; | |
4302 | } | |
4303 | do { | |
4304 | *--ptr = '0' + (uv % 10); | |
4305 | } while (uv /= 10); | |
4306 | len = (buf + sizeof(buf)) - ptr; | |
4307 | /* taking advantage of SvCUR(sv) == 0 */ | |
4308 | SvGROW(sv, sign + len + 1); | |
4309 | p = SvPVX(sv); | |
4310 | if (sign) | |
4311 | *p++ = '-'; | |
4312 | memcpy(p, ptr, len); | |
4313 | p += len; | |
4314 | *p = '\0'; | |
4315 | SvCUR(sv) = p - SvPVX(sv); | |
4316 | } | |
4317 | ||
ef50df4b GS |
4318 | |
4319 | void | |
4320 | sv_setpviv_mg(SV *sv, IV iv) | |
4321 | { | |
4322 | sv_setpviv(sv,iv); | |
4323 | SvSETMAGIC(sv); | |
4324 | } | |
4325 | ||
46fc3d4c | 4326 | void |
4327 | sv_setpvf(SV *sv, const char* pat, ...) | |
46fc3d4c | 4328 | { |
4329 | va_list args; | |
46fc3d4c | 4330 | va_start(args, pat); |
fc36a67e | 4331 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4332 | va_end(args); |
4333 | } | |
4334 | ||
ef50df4b | 4335 | |
ef50df4b GS |
4336 | void |
4337 | sv_setpvf_mg(SV *sv, const char* pat, ...) | |
ef50df4b GS |
4338 | { |
4339 | va_list args; | |
ef50df4b | 4340 | va_start(args, pat); |
ef50df4b GS |
4341 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
4342 | va_end(args); | |
4343 | SvSETMAGIC(sv); | |
4344 | } | |
4345 | ||
46fc3d4c | 4346 | void |
4347 | sv_catpvf(SV *sv, const char* pat, ...) | |
46fc3d4c | 4348 | { |
4349 | va_list args; | |
46fc3d4c | 4350 | va_start(args, pat); |
fc36a67e | 4351 | sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4352 | va_end(args); |
4353 | } | |
4354 | ||
ef50df4b GS |
4355 | void |
4356 | sv_catpvf_mg(SV *sv, const char* pat, ...) | |
ef50df4b GS |
4357 | { |
4358 | va_list args; | |
ef50df4b | 4359 | va_start(args, pat); |
ef50df4b GS |
4360 | sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
4361 | va_end(args); | |
4362 | SvSETMAGIC(sv); | |
4363 | } | |
4364 | ||
46fc3d4c | 4365 | void |
ad8d18a8 | 4366 | sv_vsetpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale) |
46fc3d4c | 4367 | { |
4368 | sv_setpvn(sv, "", 0); | |
4369 | sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale); | |
4370 | } | |
4371 | ||
4372 | void | |
ad8d18a8 | 4373 | sv_vcatpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale) |
46fc3d4c | 4374 | { |
e858de61 | 4375 | dTHR; |
46fc3d4c | 4376 | char *p; |
4377 | char *q; | |
4378 | char *patend; | |
fc36a67e | 4379 | STRLEN origlen; |
46fc3d4c | 4380 | I32 svix = 0; |
c635e13b | 4381 | static char nullstr[] = "(null)"; |
46fc3d4c | 4382 | |
4383 | /* no matter what, this is a string now */ | |
fc36a67e | 4384 | (void)SvPV_force(sv, origlen); |
46fc3d4c | 4385 | |
fc36a67e | 4386 | /* special-case "", "%s", and "%_" */ |
46fc3d4c | 4387 | if (patlen == 0) |
4388 | return; | |
fc36a67e | 4389 | if (patlen == 2 && pat[0] == '%') { |
4390 | switch (pat[1]) { | |
4391 | case 's': | |
c635e13b | 4392 | if (args) { |
4393 | char *s = va_arg(*args, char*); | |
4394 | sv_catpv(sv, s ? s : nullstr); | |
4395 | } | |
fc36a67e | 4396 | else if (svix < svmax) |
4397 | sv_catsv(sv, *svargs); | |
4398 | return; | |
4399 | case '_': | |
4400 | if (args) { | |
4401 | sv_catsv(sv, va_arg(*args, SV*)); | |
4402 | return; | |
4403 | } | |
4404 | /* See comment on '_' below */ | |
4405 | break; | |
4406 | } | |
46fc3d4c | 4407 | } |
4408 | ||
4409 | patend = (char*)pat + patlen; | |
4410 | for (p = (char*)pat; p < patend; p = q) { | |
4411 | bool alt = FALSE; | |
4412 | bool left = FALSE; | |
4413 | char fill = ' '; | |
4414 | char plus = 0; | |
4415 | char intsize = 0; | |
4416 | STRLEN width = 0; | |
fc36a67e | 4417 | STRLEN zeros = 0; |
46fc3d4c | 4418 | bool has_precis = FALSE; |
4419 | STRLEN precis = 0; | |
4420 | ||
4421 | char esignbuf[4]; | |
4422 | STRLEN esignlen = 0; | |
4423 | ||
4424 | char *eptr = Nullch; | |
fc36a67e | 4425 | STRLEN elen = 0; |
4426 | char ebuf[TYPE_DIGITS(int) * 2 + 16]; /* large enough for "%#.#f" */ | |
46fc3d4c | 4427 | |
4428 | static char *efloatbuf = Nullch; | |
4429 | static STRLEN efloatsize = 0; | |
4430 | ||
4431 | char c; | |
4432 | int i; | |
4433 | unsigned base; | |
4434 | IV iv; | |
4435 | UV uv; | |
4436 | double nv; | |
4437 | STRLEN have; | |
4438 | STRLEN need; | |
4439 | STRLEN gap; | |
4440 | ||
4441 | for (q = p; q < patend && *q != '%'; ++q) ; | |
4442 | if (q > p) { | |
4443 | sv_catpvn(sv, p, q - p); | |
4444 | p = q; | |
4445 | } | |
4446 | if (q++ >= patend) | |
4447 | break; | |
4448 | ||
fc36a67e | 4449 | /* FLAGS */ |
4450 | ||
46fc3d4c | 4451 | while (*q) { |
4452 | switch (*q) { | |
4453 | case ' ': | |
4454 | case '+': | |
4455 | plus = *q++; | |
4456 | continue; | |
4457 | ||
4458 | case '-': | |
4459 | left = TRUE; | |
4460 | q++; | |
4461 | continue; | |
4462 | ||
4463 | case '0': | |
4464 | fill = *q++; | |
4465 | continue; | |
4466 | ||
4467 | case '#': | |
4468 | alt = TRUE; | |
4469 | q++; | |
4470 | continue; | |
4471 | ||
fc36a67e | 4472 | default: |
4473 | break; | |
4474 | } | |
4475 | break; | |
4476 | } | |
46fc3d4c | 4477 | |
fc36a67e | 4478 | /* WIDTH */ |
4479 | ||
4480 | switch (*q) { | |
4481 | case '1': case '2': case '3': | |
4482 | case '4': case '5': case '6': | |
4483 | case '7': case '8': case '9': | |
4484 | width = 0; | |
4485 | while (isDIGIT(*q)) | |
4486 | width = width * 10 + (*q++ - '0'); | |
4487 | break; | |
4488 | ||
4489 | case '*': | |
4490 | if (args) | |
4491 | i = va_arg(*args, int); | |
4492 | else | |
4493 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4494 | left |= (i < 0); | |
4495 | width = (i < 0) ? -i : i; | |
4496 | q++; | |
4497 | break; | |
4498 | } | |
4499 | ||
4500 | /* PRECISION */ | |
46fc3d4c | 4501 | |
fc36a67e | 4502 | if (*q == '.') { |
4503 | q++; | |
4504 | if (*q == '*') { | |
46fc3d4c | 4505 | if (args) |
4506 | i = va_arg(*args, int); | |
4507 | else | |
4508 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
fc36a67e | 4509 | precis = (i < 0) ? 0 : i; |
46fc3d4c | 4510 | q++; |
fc36a67e | 4511 | } |
4512 | else { | |
4513 | precis = 0; | |
4514 | while (isDIGIT(*q)) | |
4515 | precis = precis * 10 + (*q++ - '0'); | |
4516 | } | |
4517 | has_precis = TRUE; | |
4518 | } | |
46fc3d4c | 4519 | |
fc36a67e | 4520 | /* SIZE */ |
46fc3d4c | 4521 | |
fc36a67e | 4522 | switch (*q) { |
4523 | case 'l': | |
4524 | #if 0 /* when quads have better support within Perl */ | |
4525 | if (*(q + 1) == 'l') { | |
4526 | intsize = 'q'; | |
4527 | q += 2; | |
46fc3d4c | 4528 | break; |
4529 | } | |
fc36a67e | 4530 | #endif |
4531 | /* FALL THROUGH */ | |
4532 | case 'h': | |
4533 | case 'V': | |
4534 | intsize = *q++; | |
46fc3d4c | 4535 | break; |
4536 | } | |
4537 | ||
fc36a67e | 4538 | /* CONVERSION */ |
4539 | ||
46fc3d4c | 4540 | switch (c = *q++) { |
4541 | ||
4542 | /* STRINGS */ | |
4543 | ||
4544 | case '%': | |
4545 | eptr = q - 1; | |
4546 | elen = 1; | |
4547 | goto string; | |
4548 | ||
4549 | case 'c': | |
4550 | if (args) | |
4551 | c = va_arg(*args, int); | |
4552 | else | |
4553 | c = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4554 | eptr = &c; | |
4555 | elen = 1; | |
4556 | goto string; | |
4557 | ||
46fc3d4c | 4558 | case 's': |
4559 | if (args) { | |
fc36a67e | 4560 | eptr = va_arg(*args, char*); |
c635e13b | 4561 | if (eptr) |
4562 | elen = strlen(eptr); | |
4563 | else { | |
4564 | eptr = nullstr; | |
4565 | elen = sizeof nullstr - 1; | |
4566 | } | |
46fc3d4c | 4567 | } |
4568 | else if (svix < svmax) | |
4569 | eptr = SvPVx(svargs[svix++], elen); | |
4570 | goto string; | |
4571 | ||
fc36a67e | 4572 | case '_': |
4573 | /* | |
4574 | * The "%_" hack might have to be changed someday, | |
4575 | * if ISO or ANSI decide to use '_' for something. | |
4576 | * So we keep it hidden from users' code. | |
4577 | */ | |
4578 | if (!args) | |
4579 | goto unknown; | |
4580 | eptr = SvPVx(va_arg(*args, SV*), elen); | |
4581 | ||
46fc3d4c | 4582 | string: |
4583 | if (has_precis && elen > precis) | |
4584 | elen = precis; | |
4585 | break; | |
4586 | ||
4587 | /* INTEGERS */ | |
4588 | ||
fc36a67e | 4589 | case 'p': |
4590 | if (args) | |
4591 | uv = (UV)va_arg(*args, void*); | |
4592 | else | |
4593 | uv = (svix < svmax) ? (UV)svargs[svix++] : 0; | |
4594 | base = 16; | |
4595 | goto integer; | |
4596 | ||
46fc3d4c | 4597 | case 'D': |
4598 | intsize = 'l'; | |
4599 | /* FALL THROUGH */ | |
4600 | case 'd': | |
4601 | case 'i': | |
4602 | if (args) { | |
4603 | switch (intsize) { | |
4604 | case 'h': iv = (short)va_arg(*args, int); break; | |
4605 | default: iv = va_arg(*args, int); break; | |
4606 | case 'l': iv = va_arg(*args, long); break; | |
fc36a67e | 4607 | case 'V': iv = va_arg(*args, IV); break; |
46fc3d4c | 4608 | } |
4609 | } | |
4610 | else { | |
4611 | iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4612 | switch (intsize) { | |
4613 | case 'h': iv = (short)iv; break; | |
4614 | default: iv = (int)iv; break; | |
4615 | case 'l': iv = (long)iv; break; | |
fc36a67e | 4616 | case 'V': break; |
46fc3d4c | 4617 | } |
4618 | } | |
4619 | if (iv >= 0) { | |
4620 | uv = iv; | |
4621 | if (plus) | |
4622 | esignbuf[esignlen++] = plus; | |
4623 | } | |
4624 | else { | |
4625 | uv = -iv; | |
4626 | esignbuf[esignlen++] = '-'; | |
4627 | } | |
4628 | base = 10; | |
4629 | goto integer; | |
4630 | ||
fc36a67e | 4631 | case 'U': |
4632 | intsize = 'l'; | |
4633 | /* FALL THROUGH */ | |
4634 | case 'u': | |
4635 | base = 10; | |
4636 | goto uns_integer; | |
4637 | ||
46fc3d4c | 4638 | case 'O': |
4639 | intsize = 'l'; | |
4640 | /* FALL THROUGH */ | |
4641 | case 'o': | |
4642 | base = 8; | |
4643 | goto uns_integer; | |
4644 | ||
4645 | case 'X': | |
46fc3d4c | 4646 | case 'x': |
4647 | base = 16; | |
46fc3d4c | 4648 | |
4649 | uns_integer: | |
4650 | if (args) { | |
4651 | switch (intsize) { | |
4652 | case 'h': uv = (unsigned short)va_arg(*args, unsigned); break; | |
4653 | default: uv = va_arg(*args, unsigned); break; | |
4654 | case 'l': uv = va_arg(*args, unsigned long); break; | |
fc36a67e | 4655 | case 'V': uv = va_arg(*args, UV); break; |
46fc3d4c | 4656 | } |
4657 | } | |
4658 | else { | |
4659 | uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0; | |
4660 | switch (intsize) { | |
4661 | case 'h': uv = (unsigned short)uv; break; | |
4662 | default: uv = (unsigned)uv; break; | |
4663 | case 'l': uv = (unsigned long)uv; break; | |
fc36a67e | 4664 | case 'V': break; |
46fc3d4c | 4665 | } |
4666 | } | |
4667 | ||
4668 | integer: | |
46fc3d4c | 4669 | eptr = ebuf + sizeof ebuf; |
fc36a67e | 4670 | switch (base) { |
4671 | unsigned dig; | |
4672 | case 16: | |
c10ed8b9 HS |
4673 | if (!uv) |
4674 | alt = FALSE; | |
fc36a67e | 4675 | p = (c == 'X') ? "0123456789ABCDEF" : "0123456789abcdef"; |
4676 | do { | |
4677 | dig = uv & 15; | |
4678 | *--eptr = p[dig]; | |
4679 | } while (uv >>= 4); | |
4680 | if (alt) { | |
46fc3d4c | 4681 | esignbuf[esignlen++] = '0'; |
fc36a67e | 4682 | esignbuf[esignlen++] = c; /* 'x' or 'X' */ |
46fc3d4c | 4683 | } |
fc36a67e | 4684 | break; |
4685 | case 8: | |
4686 | do { | |
4687 | dig = uv & 7; | |
4688 | *--eptr = '0' + dig; | |
4689 | } while (uv >>= 3); | |
4690 | if (alt && *eptr != '0') | |
4691 | *--eptr = '0'; | |
4692 | break; | |
4693 | default: /* it had better be ten or less */ | |
4694 | do { | |
4695 | dig = uv % base; | |
4696 | *--eptr = '0' + dig; | |
4697 | } while (uv /= base); | |
4698 | break; | |
46fc3d4c | 4699 | } |
4700 | elen = (ebuf + sizeof ebuf) - eptr; | |
c10ed8b9 HS |
4701 | if (has_precis) { |
4702 | if (precis > elen) | |
4703 | zeros = precis - elen; | |
4704 | else if (precis == 0 && elen == 1 && *eptr == '0') | |
4705 | elen = 0; | |
4706 | } | |
46fc3d4c | 4707 | break; |
4708 | ||
4709 | /* FLOATING POINT */ | |
4710 | ||
fc36a67e | 4711 | case 'F': |
4712 | c = 'f'; /* maybe %F isn't supported here */ | |
4713 | /* FALL THROUGH */ | |
46fc3d4c | 4714 | case 'e': case 'E': |
fc36a67e | 4715 | case 'f': |
46fc3d4c | 4716 | case 'g': case 'G': |
4717 | ||
4718 | /* This is evil, but floating point is even more evil */ | |
4719 | ||
fc36a67e | 4720 | if (args) |
4721 | nv = va_arg(*args, double); | |
4722 | else | |
4723 | nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0; | |
4724 | ||
4725 | need = 0; | |
4726 | if (c != 'e' && c != 'E') { | |
4727 | i = PERL_INT_MIN; | |
4728 | (void)frexp(nv, &i); | |
4729 | if (i == PERL_INT_MIN) | |
c635e13b | 4730 | die("panic: frexp"); |
4731 | if (i > 0) | |
fc36a67e | 4732 | need = BIT_DIGITS(i); |
4733 | } | |
4734 | need += has_precis ? precis : 6; /* known default */ | |
4735 | if (need < width) | |
4736 | need = width; | |
4737 | ||
46fc3d4c | 4738 | need += 20; /* fudge factor */ |
4739 | if (efloatsize < need) { | |
4740 | Safefree(efloatbuf); | |
4741 | efloatsize = need + 20; /* more fudge */ | |
4742 | New(906, efloatbuf, efloatsize, char); | |
4743 | } | |
4744 | ||
4745 | eptr = ebuf + sizeof ebuf; | |
4746 | *--eptr = '\0'; | |
4747 | *--eptr = c; | |
4748 | if (has_precis) { | |
4749 | base = precis; | |
4750 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4751 | *--eptr = '.'; | |
4752 | } | |
4753 | if (width) { | |
4754 | base = width; | |
4755 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4756 | } | |
4757 | if (fill == '0') | |
4758 | *--eptr = fill; | |
84902520 TB |
4759 | if (left) |
4760 | *--eptr = '-'; | |
46fc3d4c | 4761 | if (plus) |
4762 | *--eptr = plus; | |
4763 | if (alt) | |
4764 | *--eptr = '#'; | |
4765 | *--eptr = '%'; | |
4766 | ||
46fc3d4c | 4767 | (void)sprintf(efloatbuf, eptr, nv); |
4768 | ||
4769 | eptr = efloatbuf; | |
4770 | elen = strlen(efloatbuf); | |
4771 | ||
4772 | #ifdef LC_NUMERIC | |
4773 | /* | |
4774 | * User-defined locales may include arbitrary characters. | |
4775 | * And, unfortunately, some system may alloc the "C" locale | |
4776 | * to be overridden by a malicious user. | |
4777 | */ | |
4778 | if (used_locale) | |
4779 | *used_locale = TRUE; | |
4780 | #endif /* LC_NUMERIC */ | |
4781 | ||
4782 | break; | |
4783 | ||
fc36a67e | 4784 | /* SPECIAL */ |
4785 | ||
4786 | case 'n': | |
4787 | i = SvCUR(sv) - origlen; | |
4788 | if (args) { | |
c635e13b | 4789 | switch (intsize) { |
4790 | case 'h': *(va_arg(*args, short*)) = i; break; | |
4791 | default: *(va_arg(*args, int*)) = i; break; | |
4792 | case 'l': *(va_arg(*args, long*)) = i; break; | |
4793 | case 'V': *(va_arg(*args, IV*)) = i; break; | |
4794 | } | |
fc36a67e | 4795 | } |
4796 | else if (svix < svmax) | |
4797 | sv_setuv(svargs[svix++], (UV)i); | |
4798 | continue; /* not "break" */ | |
4799 | ||
4800 | /* UNKNOWN */ | |
4801 | ||
46fc3d4c | 4802 | default: |
fc36a67e | 4803 | unknown: |
c635e13b | 4804 | if (!args && dowarn && |
4805 | (op->op_type == OP_PRTF || op->op_type == OP_SPRINTF)) { | |
4806 | SV *msg = sv_newmortal(); | |
4807 | sv_setpvf(msg, "Invalid conversion in %s: ", | |
4808 | (op->op_type == OP_PRTF) ? "printf" : "sprintf"); | |
4809 | if (c) | |
4810 | sv_catpvf(msg, isPRINT(c) ? "\"%%%c\"" : "\"%%\\%03o\"", | |
4811 | c & 0xFF); | |
4812 | else | |
4813 | sv_catpv(msg, "end of string"); | |
4814 | warn("%_", msg); /* yes, this is reentrant */ | |
4815 | } | |
fb73857a | 4816 | |
4817 | /* output mangled stuff ... */ | |
4818 | if (c == '\0') | |
4819 | --q; | |
46fc3d4c | 4820 | eptr = p; |
4821 | elen = q - p; | |
fb73857a | 4822 | |
4823 | /* ... right here, because formatting flags should not apply */ | |
4824 | SvGROW(sv, SvCUR(sv) + elen + 1); | |
4825 | p = SvEND(sv); | |
4826 | memcpy(p, eptr, elen); | |
4827 | p += elen; | |
4828 | *p = '\0'; | |
4829 | SvCUR(sv) = p - SvPVX(sv); | |
4830 | continue; /* not "break" */ | |
46fc3d4c | 4831 | } |
4832 | ||
fc36a67e | 4833 | have = esignlen + zeros + elen; |
46fc3d4c | 4834 | need = (have > width ? have : width); |
4835 | gap = need - have; | |
4836 | ||
7bc39d62 | 4837 | SvGROW(sv, SvCUR(sv) + need + 1); |
46fc3d4c | 4838 | p = SvEND(sv); |
4839 | if (esignlen && fill == '0') { | |
4840 | for (i = 0; i < esignlen; i++) | |
4841 | *p++ = esignbuf[i]; | |
4842 | } | |
4843 | if (gap && !left) { | |
4844 | memset(p, fill, gap); | |
4845 | p += gap; | |
4846 | } | |
4847 | if (esignlen && fill != '0') { | |
4848 | for (i = 0; i < esignlen; i++) | |
4849 | *p++ = esignbuf[i]; | |
4850 | } | |
fc36a67e | 4851 | if (zeros) { |
4852 | for (i = zeros; i; i--) | |
4853 | *p++ = '0'; | |
4854 | } | |
46fc3d4c | 4855 | if (elen) { |
4856 | memcpy(p, eptr, elen); | |
4857 | p += elen; | |
4858 | } | |
4859 | if (gap && left) { | |
4860 | memset(p, ' ', gap); | |
4861 | p += gap; | |
4862 | } | |
4863 | *p = '\0'; | |
4864 | SvCUR(sv) = p - SvPVX(sv); | |
4865 | } | |
4866 | } | |
4867 | ||
8990e307 | 4868 | void |
8ac85365 | 4869 | sv_dump(SV *sv) |
8990e307 | 4870 | { |
35ff7856 | 4871 | #ifdef DEBUGGING |
46fc3d4c | 4872 | SV *d = sv_newmortal(); |
4873 | char *s; | |
8990e307 LW |
4874 | U32 flags; |
4875 | U32 type; | |
4876 | ||
4877 | if (!sv) { | |
760ac839 | 4878 | PerlIO_printf(Perl_debug_log, "SV = 0\n"); |
8990e307 LW |
4879 | return; |
4880 | } | |
4881 | ||
4882 | flags = SvFLAGS(sv); | |
4883 | type = SvTYPE(sv); | |
4884 | ||
46fc3d4c | 4885 | sv_setpvf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (", |
4886 | (unsigned long)SvANY(sv), (long)SvREFCNT(sv)); | |
4887 | if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,"); | |
4888 | if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,"); | |
4889 | if (flags & SVs_PADMY) sv_catpv(d, "PADMY,"); | |
4890 | if (flags & SVs_TEMP) sv_catpv(d, "TEMP,"); | |
4891 | if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,"); | |
4892 | if (flags & SVs_GMG) sv_catpv(d, "GMG,"); | |
4893 | if (flags & SVs_SMG) sv_catpv(d, "SMG,"); | |
4894 | if (flags & SVs_RMG) sv_catpv(d, "RMG,"); | |
4895 | ||
4896 | if (flags & SVf_IOK) sv_catpv(d, "IOK,"); | |
4897 | if (flags & SVf_NOK) sv_catpv(d, "NOK,"); | |
4898 | if (flags & SVf_POK) sv_catpv(d, "POK,"); | |
4899 | if (flags & SVf_ROK) sv_catpv(d, "ROK,"); | |
4900 | if (flags & SVf_OOK) sv_catpv(d, "OOK,"); | |
4901 | if (flags & SVf_FAKE) sv_catpv(d, "FAKE,"); | |
4902 | if (flags & SVf_READONLY) sv_catpv(d, "READONLY,"); | |
8990e307 | 4903 | |
1edc1566 | 4904 | #ifdef OVERLOAD |
46fc3d4c | 4905 | if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,"); |
1edc1566 | 4906 | #endif /* OVERLOAD */ |
46fc3d4c | 4907 | if (flags & SVp_IOK) sv_catpv(d, "pIOK,"); |
4908 | if (flags & SVp_NOK) sv_catpv(d, "pNOK,"); | |
4909 | if (flags & SVp_POK) sv_catpv(d, "pPOK,"); | |
4910 | if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,"); | |
1edc1566 | 4911 | |
4912 | switch (type) { | |
4913 | case SVt_PVCV: | |
774d564b | 4914 | case SVt_PVFM: |
46fc3d4c | 4915 | if (CvANON(sv)) sv_catpv(d, "ANON,"); |
4916 | if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,"); | |
4917 | if (CvCLONE(sv)) sv_catpv(d, "CLONE,"); | |
4918 | if (CvCLONED(sv)) sv_catpv(d, "CLONED,"); | |
4919 | if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,"); | |
4920 | break; | |
55497cff | 4921 | case SVt_PVHV: |
46fc3d4c | 4922 | if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,"); |
4923 | if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,"); | |
4924 | break; | |
1edc1566 | 4925 | case SVt_PVGV: |
46fc3d4c | 4926 | if (GvINTRO(sv)) sv_catpv(d, "INTRO,"); |
4927 | if (GvMULTI(sv)) sv_catpv(d, "MULTI,"); | |
4928 | if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,"); | |
4929 | if (GvIMPORTED(sv)) { | |
4930 | sv_catpv(d, "IMPORT"); | |
4931 | if (GvIMPORTED(sv) == GVf_IMPORTED) | |
4932 | sv_catpv(d, "ALL,"); | |
4933 | else { | |
4934 | sv_catpv(d, "("); | |
4935 | if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV"); | |
4936 | if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV"); | |
4937 | if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV"); | |
4938 | if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV"); | |
4939 | sv_catpv(d, " ),"); | |
4940 | } | |
4941 | } | |
c277df42 IZ |
4942 | case SVt_PVBM: |
4943 | if (SvTAIL(sv)) sv_catpv(d, "TAIL,"); | |
4944 | if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,"); | |
4945 | break; | |
1edc1566 | 4946 | } |
4947 | ||
46fc3d4c | 4948 | if (*(SvEND(d) - 1) == ',') |
4949 | SvPVX(d)[--SvCUR(d)] = '\0'; | |
4950 | sv_catpv(d, ")"); | |
4951 | s = SvPVX(d); | |
8990e307 | 4952 | |
760ac839 | 4953 | PerlIO_printf(Perl_debug_log, "SV = "); |
8990e307 LW |
4954 | switch (type) { |
4955 | case SVt_NULL: | |
46fc3d4c | 4956 | PerlIO_printf(Perl_debug_log, "NULL%s\n", s); |
8990e307 LW |
4957 | return; |
4958 | case SVt_IV: | |
46fc3d4c | 4959 | PerlIO_printf(Perl_debug_log, "IV%s\n", s); |
8990e307 LW |
4960 | break; |
4961 | case SVt_NV: | |
46fc3d4c | 4962 | PerlIO_printf(Perl_debug_log, "NV%s\n", s); |
8990e307 LW |
4963 | break; |
4964 | case SVt_RV: | |
46fc3d4c | 4965 | PerlIO_printf(Perl_debug_log, "RV%s\n", s); |
8990e307 LW |
4966 | break; |
4967 | case SVt_PV: | |
46fc3d4c | 4968 | PerlIO_printf(Perl_debug_log, "PV%s\n", s); |
8990e307 LW |
4969 | break; |
4970 | case SVt_PVIV: | |
46fc3d4c | 4971 | PerlIO_printf(Perl_debug_log, "PVIV%s\n", s); |
8990e307 LW |
4972 | break; |
4973 | case SVt_PVNV: | |
46fc3d4c | 4974 | PerlIO_printf(Perl_debug_log, "PVNV%s\n", s); |
8990e307 LW |
4975 | break; |
4976 | case SVt_PVBM: | |
46fc3d4c | 4977 | PerlIO_printf(Perl_debug_log, "PVBM%s\n", s); |
8990e307 LW |
4978 | break; |
4979 | case SVt_PVMG: | |
46fc3d4c | 4980 | PerlIO_printf(Perl_debug_log, "PVMG%s\n", s); |
8990e307 LW |
4981 | break; |
4982 | case SVt_PVLV: | |
46fc3d4c | 4983 | PerlIO_printf(Perl_debug_log, "PVLV%s\n", s); |
8990e307 LW |
4984 | break; |
4985 | case SVt_PVAV: | |
46fc3d4c | 4986 | PerlIO_printf(Perl_debug_log, "PVAV%s\n", s); |
8990e307 LW |
4987 | break; |
4988 | case SVt_PVHV: | |
46fc3d4c | 4989 | PerlIO_printf(Perl_debug_log, "PVHV%s\n", s); |
8990e307 LW |
4990 | break; |
4991 | case SVt_PVCV: | |
46fc3d4c | 4992 | PerlIO_printf(Perl_debug_log, "PVCV%s\n", s); |
8990e307 LW |
4993 | break; |
4994 | case SVt_PVGV: | |
46fc3d4c | 4995 | PerlIO_printf(Perl_debug_log, "PVGV%s\n", s); |
8990e307 LW |
4996 | break; |
4997 | case SVt_PVFM: | |
46fc3d4c | 4998 | PerlIO_printf(Perl_debug_log, "PVFM%s\n", s); |
8990e307 LW |
4999 | break; |
5000 | case SVt_PVIO: | |
46fc3d4c | 5001 | PerlIO_printf(Perl_debug_log, "PVIO%s\n", s); |
8990e307 LW |
5002 | break; |
5003 | default: | |
46fc3d4c | 5004 | PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", s); |
8990e307 LW |
5005 | return; |
5006 | } | |
5007 | if (type >= SVt_PVIV || type == SVt_IV) | |
760ac839 | 5008 | PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv)); |
bbce6d69 | 5009 | if (type >= SVt_PVNV || type == SVt_NV) { |
36477c24 | 5010 | SET_NUMERIC_STANDARD(); |
760ac839 | 5011 | PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv)); |
bbce6d69 | 5012 | } |
8990e307 | 5013 | if (SvROK(sv)) { |
760ac839 | 5014 | PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv)); |
8990e307 LW |
5015 | sv_dump(SvRV(sv)); |
5016 | return; | |
5017 | } | |
5018 | if (type < SVt_PV) | |
5019 | return; | |
5020 | if (type <= SVt_PVLV) { | |
5021 | if (SvPVX(sv)) | |
760ac839 | 5022 | PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n", |
a0d0e21e | 5023 | (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv)); |
8990e307 | 5024 | else |
760ac839 | 5025 | PerlIO_printf(Perl_debug_log, " PV = 0\n"); |
8990e307 LW |
5026 | } |
5027 | if (type >= SVt_PVMG) { | |
5028 | if (SvMAGIC(sv)) { | |
760ac839 | 5029 | PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv)); |
8990e307 LW |
5030 | } |
5031 | if (SvSTASH(sv)) | |
760ac839 | 5032 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv))); |
8990e307 LW |
5033 | } |
5034 | switch (type) { | |
5035 | case SVt_PVLV: | |
760ac839 LW |
5036 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv)); |
5037 | PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv)); | |
5038 | PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv)); | |
5039 | PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv)); | |
8990e307 LW |
5040 | sv_dump(LvTARG(sv)); |
5041 | break; | |
5042 | case SVt_PVAV: | |
760ac839 LW |
5043 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv)); |
5044 | PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv)); | |
93965878 | 5045 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILLp(sv)); |
760ac839 LW |
5046 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv)); |
5047 | PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv)); | |
4633a7c4 | 5048 | flags = AvFLAGS(sv); |
46fc3d4c | 5049 | sv_setpv(d, ""); |
5050 | if (flags & AVf_REAL) sv_catpv(d, ",REAL"); | |
5051 | if (flags & AVf_REIFY) sv_catpv(d, ",REIFY"); | |
5052 | if (flags & AVf_REUSED) sv_catpv(d, ",REUSED"); | |
5053 | PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", | |
5054 | SvCUR(d) ? SvPVX(d) + 1 : ""); | |
8990e307 LW |
5055 | break; |
5056 | case SVt_PVHV: | |
760ac839 LW |
5057 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv)); |
5058 | PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv)); | |
5059 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv)); | |
5060 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv)); | |
5061 | PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv)); | |
5062 | PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv)); | |
8990e307 | 5063 | if (HvPMROOT(sv)) |
760ac839 | 5064 | PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv)); |
8990e307 | 5065 | if (HvNAME(sv)) |
760ac839 | 5066 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv)); |
8990e307 | 5067 | break; |
8990e307 | 5068 | case SVt_PVCV: |
1edc1566 | 5069 | if (SvPOK(sv)) |
760ac839 | 5070 | PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na)); |
fa83b5b6 | 5071 | /* FALL THROUGH */ |
5072 | case SVt_PVFM: | |
760ac839 LW |
5073 | PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv)); |
5074 | PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv)); | |
5075 | PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv)); | |
5076 | PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv)); | |
5077 | PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32); | |
d1bf51dd | 5078 | PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv)); |
1edc1566 | 5079 | if (CvGV(sv) && GvNAME(CvGV(sv))) { |
d1bf51dd | 5080 | PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv))); |
1edc1566 | 5081 | } else { |
d1bf51dd | 5082 | PerlIO_printf(Perl_debug_log, "\n"); |
1edc1566 | 5083 | } |
760ac839 LW |
5084 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv)); |
5085 | PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv)); | |
5086 | PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv)); | |
5087 | PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv)); | |
11343788 | 5088 | #ifdef USE_THREADS |
5dc0d613 | 5089 | PerlIO_printf(Perl_debug_log, " MUTEXP = 0x%lx\n", (long)CvMUTEXP(sv)); |
5dc0d613 | 5090 | PerlIO_printf(Perl_debug_log, " OWNER = 0x%lx\n", (long)CvOWNER(sv)); |
11343788 | 5091 | #endif /* USE_THREADS */ |
77a005ab MB |
5092 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", |
5093 | (unsigned long)CvFLAGS(sv)); | |
8990e307 | 5094 | if (type == SVt_PVFM) |
760ac839 | 5095 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv)); |
8990e307 LW |
5096 | break; |
5097 | case SVt_PVGV: | |
760ac839 LW |
5098 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv)); |
5099 | PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv)); | |
ec12f114 JPC |
5100 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", |
5101 | SvTYPE(GvSTASH(sv)) == SVt_PVHV ? HvNAME(GvSTASH(sv)) : "(deleted)"); | |
760ac839 LW |
5102 | PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv)); |
5103 | PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv)); | |
5104 | PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv)); | |
5105 | PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv)); | |
5106 | PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv)); | |
5107 | PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv)); | |
5108 | PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv)); | |
5109 | PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv)); | |
5110 | PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv)); | |
5111 | PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv)); | |
5112 | PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv)); | |
55497cff | 5113 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv)); |
760ac839 | 5114 | PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv)); |
8990e307 LW |
5115 | break; |
5116 | case SVt_PVIO: | |
760ac839 LW |
5117 | PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv)); |
5118 | PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv)); | |
5119 | PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv)); | |
5120 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv)); | |
5121 | PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv)); | |
5122 | PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv)); | |
5123 | PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv)); | |
5124 | PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv)); | |
5125 | PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv)); | |
5126 | PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv)); | |
5127 | PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv)); | |
5128 | PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv)); | |
5129 | PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv)); | |
5130 | PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv)); | |
5131 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv)); | |
5132 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv)); | |
8990e307 LW |
5133 | break; |
5134 | } | |
35ff7856 | 5135 | #endif /* DEBUGGING */ |
8990e307 | 5136 | } |