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 | |
36477c24 | 43 | static IV asIV _((SV* sv)); |
44 | static UV asUV _((SV* sv)); | |
a0d0e21e LW |
45 | static SV *more_sv _((void)); |
46 | static XPVIV *more_xiv _((void)); | |
47 | static XPVNV *more_xnv _((void)); | |
48 | static XPV *more_xpv _((void)); | |
49 | static XRV *more_xrv _((void)); | |
a0d0e21e LW |
50 | static XPVIV *new_xiv _((void)); |
51 | static XPVNV *new_xnv _((void)); | |
52 | static XPV *new_xpv _((void)); | |
53 | static XRV *new_xrv _((void)); | |
54 | static void del_xiv _((XPVIV* p)); | |
55 | static void del_xnv _((XPVNV* p)); | |
56 | static void del_xpv _((XPV* p)); | |
57 | static void del_xrv _((XRV* p)); | |
58 | static void sv_mortalgrow _((void)); | |
a0d0e21e | 59 | static void sv_unglob _((SV* sv)); |
0f15f207 | 60 | static void sv_check_thinkfirst _((SV *sv)); |
a0d0e21e | 61 | |
2213622d GA |
62 | #define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) sv_check_thinkfirst(sv) |
63 | ||
d665c133 GS |
64 | #ifndef PURIFY |
65 | static void *my_safemalloc(MEM_SIZE size); | |
66 | #endif | |
67 | ||
4561caa4 CS |
68 | typedef void (*SVFUNC) _((SV*)); |
69 | ||
a0d0e21e | 70 | #ifdef PURIFY |
79072805 | 71 | |
4561caa4 CS |
72 | #define new_SV(p) \ |
73 | do { \ | |
940cb80d | 74 | LOCK_SV_MUTEX; \ |
4561caa4 CS |
75 | (p) = (SV*)safemalloc(sizeof(SV)); \ |
76 | reg_add(p); \ | |
940cb80d | 77 | UNLOCK_SV_MUTEX; \ |
4561caa4 CS |
78 | } while (0) |
79 | ||
80 | #define del_SV(p) \ | |
81 | do { \ | |
940cb80d | 82 | LOCK_SV_MUTEX; \ |
4561caa4 | 83 | reg_remove(p); \ |
3028581b | 84 | Safefree((char*)(p)); \ |
940cb80d | 85 | UNLOCK_SV_MUTEX; \ |
4561caa4 CS |
86 | } while (0) |
87 | ||
88 | static SV **registry; | |
89 | static I32 regsize; | |
90 | ||
91 | #define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size)) | |
92 | ||
93 | #define REG_REPLACE(sv,a,b) \ | |
94 | do { \ | |
95 | void* p = sv->sv_any; \ | |
96 | I32 h = REGHASH(sv, regsize); \ | |
97 | I32 i = h; \ | |
98 | while (registry[i] != (a)) { \ | |
99 | if (++i >= regsize) \ | |
100 | i = 0; \ | |
101 | if (i == h) \ | |
102 | die("SV registry bug"); \ | |
103 | } \ | |
104 | registry[i] = (b); \ | |
105 | } while (0) | |
106 | ||
107 | #define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv) | |
108 | #define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv) | |
109 | ||
110 | static void | |
111 | reg_add(sv) | |
112 | SV* sv; | |
113 | { | |
114 | if (sv_count >= (regsize >> 1)) | |
115 | { | |
116 | SV **oldreg = registry; | |
117 | I32 oldsize = regsize; | |
118 | ||
119 | regsize = regsize ? ((regsize << 2) + 1) : 2037; | |
8c52afec | 120 | Newz(707, registry, regsize, SV*); |
4561caa4 CS |
121 | |
122 | if (oldreg) { | |
123 | I32 i; | |
124 | ||
125 | for (i = 0; i < oldsize; ++i) { | |
126 | SV* oldsv = oldreg[i]; | |
127 | if (oldsv) | |
128 | REG_ADD(oldsv); | |
129 | } | |
130 | Safefree(oldreg); | |
131 | } | |
132 | } | |
133 | ||
134 | REG_ADD(sv); | |
135 | ++sv_count; | |
136 | } | |
137 | ||
138 | static void | |
139 | reg_remove(sv) | |
140 | SV* sv; | |
141 | { | |
142 | REG_REMOVE(sv); | |
143 | --sv_count; | |
144 | } | |
145 | ||
146 | static void | |
147 | visit(f) | |
148 | SVFUNC f; | |
149 | { | |
150 | I32 i; | |
151 | ||
152 | for (i = 0; i < regsize; ++i) { | |
153 | SV* sv = registry[i]; | |
154 | if (sv) | |
155 | (*f)(sv); | |
156 | } | |
157 | } | |
a0d0e21e | 158 | |
4633a7c4 LW |
159 | void |
160 | sv_add_arena(ptr, size, flags) | |
161 | char* ptr; | |
162 | U32 size; | |
163 | U32 flags; | |
164 | { | |
165 | if (!(flags & SVf_FAKE)) | |
3028581b | 166 | Safefree(ptr); |
4633a7c4 LW |
167 | } |
168 | ||
4561caa4 CS |
169 | #else /* ! PURIFY */ |
170 | ||
171 | /* | |
172 | * "A time to plant, and a time to uproot what was planted..." | |
173 | */ | |
174 | ||
175 | #define plant_SV(p) \ | |
176 | do { \ | |
177 | SvANY(p) = (void *)sv_root; \ | |
178 | SvFLAGS(p) = SVTYPEMASK; \ | |
179 | sv_root = (p); \ | |
180 | --sv_count; \ | |
181 | } while (0) | |
a0d0e21e | 182 | |
fba3b22e | 183 | /* sv_mutex must be held while calling uproot_SV() */ |
fc36a67e | 184 | #define uproot_SV(p) \ |
4561caa4 CS |
185 | do { \ |
186 | (p) = sv_root; \ | |
187 | sv_root = (SV*)SvANY(p); \ | |
a0d0e21e | 188 | ++sv_count; \ |
4561caa4 | 189 | } while (0) |
463ee0b2 | 190 | |
940cb80d MB |
191 | #define new_SV(p) do { \ |
192 | LOCK_SV_MUTEX; \ | |
193 | if (sv_root) \ | |
194 | uproot_SV(p); \ | |
195 | else \ | |
196 | (p) = more_sv(); \ | |
197 | UNLOCK_SV_MUTEX; \ | |
fba3b22e | 198 | } while (0) |
463ee0b2 | 199 | |
a0d0e21e | 200 | #ifdef DEBUGGING |
4561caa4 | 201 | |
940cb80d MB |
202 | #define del_SV(p) do { \ |
203 | LOCK_SV_MUTEX; \ | |
204 | if (debug & 32768) \ | |
205 | del_sv(p); \ | |
206 | else \ | |
207 | plant_SV(p); \ | |
208 | UNLOCK_SV_MUTEX; \ | |
fba3b22e | 209 | } while (0) |
a0d0e21e | 210 | |
463ee0b2 | 211 | static void |
8ac85365 | 212 | del_sv(SV *p) |
463ee0b2 | 213 | { |
a0d0e21e | 214 | if (debug & 32768) { |
4633a7c4 | 215 | SV* sva; |
a0d0e21e LW |
216 | SV* sv; |
217 | SV* svend; | |
218 | int ok = 0; | |
4633a7c4 LW |
219 | for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) { |
220 | sv = sva + 1; | |
221 | svend = &sva[SvREFCNT(sva)]; | |
a0d0e21e LW |
222 | if (p >= sv && p < svend) |
223 | ok = 1; | |
224 | } | |
225 | if (!ok) { | |
226 | warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p); | |
227 | return; | |
228 | } | |
229 | } | |
4561caa4 | 230 | plant_SV(p); |
463ee0b2 | 231 | } |
a0d0e21e | 232 | |
4561caa4 CS |
233 | #else /* ! DEBUGGING */ |
234 | ||
235 | #define del_SV(p) plant_SV(p) | |
236 | ||
237 | #endif /* DEBUGGING */ | |
463ee0b2 | 238 | |
4633a7c4 | 239 | void |
8ac85365 | 240 | sv_add_arena(char *ptr, U32 size, U32 flags) |
463ee0b2 | 241 | { |
4633a7c4 | 242 | SV* sva = (SV*)ptr; |
463ee0b2 LW |
243 | register SV* sv; |
244 | register SV* svend; | |
4633a7c4 LW |
245 | Zero(sva, size, char); |
246 | ||
247 | /* The first SV in an arena isn't an SV. */ | |
248 | SvANY(sva) = (void *) sv_arenaroot; /* ptr to next arena */ | |
249 | SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */ | |
250 | SvFLAGS(sva) = flags; /* FAKE if not to be freed */ | |
251 | ||
252 | sv_arenaroot = sva; | |
253 | sv_root = sva + 1; | |
254 | ||
255 | svend = &sva[SvREFCNT(sva) - 1]; | |
256 | sv = sva + 1; | |
463ee0b2 | 257 | while (sv < svend) { |
a0d0e21e | 258 | SvANY(sv) = (void *)(SV*)(sv + 1); |
8990e307 | 259 | SvFLAGS(sv) = SVTYPEMASK; |
463ee0b2 LW |
260 | sv++; |
261 | } | |
262 | SvANY(sv) = 0; | |
4633a7c4 LW |
263 | SvFLAGS(sv) = SVTYPEMASK; |
264 | } | |
265 | ||
fba3b22e | 266 | /* sv_mutex must be held while calling more_sv() */ |
4633a7c4 | 267 | static SV* |
8ac85365 | 268 | more_sv(void) |
4633a7c4 | 269 | { |
4561caa4 CS |
270 | register SV* sv; |
271 | ||
c07a80fd | 272 | if (nice_chunk) { |
273 | sv_add_arena(nice_chunk, nice_chunk_size, 0); | |
274 | nice_chunk = Nullch; | |
275 | } | |
1edc1566 | 276 | else { |
277 | char *chunk; /* must use New here to match call to */ | |
278 | New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */ | |
279 | sv_add_arena(chunk, 1008, 0); | |
280 | } | |
4561caa4 CS |
281 | uproot_SV(sv); |
282 | return sv; | |
463ee0b2 LW |
283 | } |
284 | ||
4561caa4 | 285 | static void |
8ac85365 | 286 | visit(SVFUNC f) |
8990e307 | 287 | { |
4633a7c4 | 288 | SV* sva; |
8990e307 LW |
289 | SV* sv; |
290 | register SV* svend; | |
291 | ||
4561caa4 | 292 | for (sva = sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { |
4633a7c4 | 293 | svend = &sva[SvREFCNT(sva)]; |
4561caa4 CS |
294 | for (sv = sva + 1; sv < svend; ++sv) { |
295 | if (SvTYPE(sv) != SVTYPEMASK) | |
296 | (*f)(sv); | |
8990e307 LW |
297 | } |
298 | } | |
299 | } | |
300 | ||
4561caa4 CS |
301 | #endif /* PURIFY */ |
302 | ||
303 | static void | |
8ac85365 | 304 | do_report_used(SV *sv) |
4561caa4 CS |
305 | { |
306 | if (SvTYPE(sv) != SVTYPEMASK) { | |
d1bf51dd | 307 | /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */ |
4561caa4 CS |
308 | PerlIO_printf(PerlIO_stderr(), "****\n"); |
309 | sv_dump(sv); | |
310 | } | |
311 | } | |
312 | ||
8990e307 | 313 | void |
8ac85365 | 314 | sv_report_used(void) |
4561caa4 CS |
315 | { |
316 | visit(do_report_used); | |
317 | } | |
318 | ||
319 | static void | |
8ac85365 | 320 | do_clean_objs(SV *sv) |
8990e307 | 321 | { |
a0d0e21e | 322 | SV* rv; |
8990e307 | 323 | |
4561caa4 | 324 | if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) { |
d1bf51dd | 325 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));) |
4561caa4 CS |
326 | SvROK_off(sv); |
327 | SvRV(sv) = 0; | |
328 | SvREFCNT_dec(rv); | |
a5f75d66 | 329 | } |
4561caa4 CS |
330 | |
331 | /* XXX Might want to check arrays, etc. */ | |
332 | } | |
333 | ||
334 | #ifndef DISABLE_DESTRUCTOR_KLUDGE | |
335 | static void | |
8ac85365 | 336 | do_clean_named_objs(SV *sv) |
4561caa4 CS |
337 | { |
338 | if (SvTYPE(sv) == SVt_PVGV && GvSV(sv)) | |
339 | do_clean_objs(GvSV(sv)); | |
340 | } | |
a5f75d66 | 341 | #endif |
4561caa4 | 342 | |
477f5d66 CS |
343 | static bool in_clean_objs = FALSE; |
344 | ||
4561caa4 | 345 | void |
8ac85365 | 346 | sv_clean_objs(void) |
4561caa4 | 347 | { |
477f5d66 | 348 | in_clean_objs = TRUE; |
4561caa4 CS |
349 | #ifndef DISABLE_DESTRUCTOR_KLUDGE |
350 | visit(do_clean_named_objs); | |
351 | #endif | |
352 | visit(do_clean_objs); | |
477f5d66 | 353 | in_clean_objs = FALSE; |
4561caa4 CS |
354 | } |
355 | ||
356 | static void | |
8ac85365 | 357 | do_clean_all(SV *sv) |
4561caa4 | 358 | { |
d1bf51dd | 359 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));) |
4561caa4 CS |
360 | SvFLAGS(sv) |= SVf_BREAK; |
361 | SvREFCNT_dec(sv); | |
8990e307 LW |
362 | } |
363 | ||
477f5d66 | 364 | static bool in_clean_all = FALSE; |
1edc1566 | 365 | |
8990e307 | 366 | void |
8ac85365 | 367 | sv_clean_all(void) |
8990e307 | 368 | { |
477f5d66 | 369 | in_clean_all = TRUE; |
4561caa4 | 370 | visit(do_clean_all); |
477f5d66 | 371 | in_clean_all = FALSE; |
8990e307 | 372 | } |
463ee0b2 | 373 | |
4633a7c4 | 374 | void |
8ac85365 | 375 | sv_free_arenas(void) |
4633a7c4 LW |
376 | { |
377 | SV* sva; | |
378 | SV* svanext; | |
379 | ||
380 | /* Free arenas here, but be careful about fake ones. (We assume | |
381 | contiguity of the fake ones with the corresponding real ones.) */ | |
382 | ||
383 | for (sva = sv_arenaroot; sva; sva = svanext) { | |
384 | svanext = (SV*) SvANY(sva); | |
385 | while (svanext && SvFAKE(svanext)) | |
386 | svanext = (SV*) SvANY(svanext); | |
387 | ||
388 | if (!SvFAKE(sva)) | |
1edc1566 | 389 | Safefree((void *)sva); |
4633a7c4 | 390 | } |
5f05dabc | 391 | |
392 | sv_arenaroot = 0; | |
393 | sv_root = 0; | |
4633a7c4 LW |
394 | } |
395 | ||
463ee0b2 | 396 | static XPVIV* |
8ac85365 | 397 | new_xiv(void) |
463ee0b2 | 398 | { |
a0d0e21e | 399 | IV** xiv; |
463ee0b2 LW |
400 | if (xiv_root) { |
401 | xiv = xiv_root; | |
85e6fe83 LW |
402 | /* |
403 | * See comment in more_xiv() -- RAM. | |
404 | */ | |
a0d0e21e | 405 | xiv_root = (IV**)*xiv; |
463ee0b2 LW |
406 | return (XPVIV*)((char*)xiv - sizeof(XPV)); |
407 | } | |
408 | return more_xiv(); | |
409 | } | |
410 | ||
411 | static void | |
8ac85365 | 412 | del_xiv(XPVIV *p) |
463ee0b2 | 413 | { |
a0d0e21e LW |
414 | IV** xiv = (IV**)((char*)(p) + sizeof(XPV)); |
415 | *xiv = (IV *)xiv_root; | |
463ee0b2 LW |
416 | xiv_root = xiv; |
417 | } | |
418 | ||
419 | static XPVIV* | |
8ac85365 | 420 | more_xiv(void) |
463ee0b2 | 421 | { |
a0d0e21e LW |
422 | register IV** xiv; |
423 | register IV** xivend; | |
8c52afec IZ |
424 | XPV* ptr; |
425 | New(705, ptr, 1008/sizeof(XPV), XPV); | |
a0d0e21e LW |
426 | ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */ |
427 | xiv_arenaroot = ptr; /* to keep Purify happy */ | |
428 | ||
429 | xiv = (IV**) ptr; | |
430 | xivend = &xiv[1008 / sizeof(IV *) - 1]; | |
431 | xiv += (sizeof(XPV) - 1) / sizeof(IV *) + 1; /* fudge by size of XPV */ | |
463ee0b2 LW |
432 | xiv_root = xiv; |
433 | while (xiv < xivend) { | |
a0d0e21e | 434 | *xiv = (IV *)(xiv + 1); |
463ee0b2 LW |
435 | xiv++; |
436 | } | |
85e6fe83 | 437 | *xiv = 0; |
463ee0b2 LW |
438 | return new_xiv(); |
439 | } | |
440 | ||
463ee0b2 | 441 | static XPVNV* |
8ac85365 | 442 | new_xnv(void) |
463ee0b2 LW |
443 | { |
444 | double* xnv; | |
445 | if (xnv_root) { | |
446 | xnv = xnv_root; | |
447 | xnv_root = *(double**)xnv; | |
448 | return (XPVNV*)((char*)xnv - sizeof(XPVIV)); | |
449 | } | |
450 | return more_xnv(); | |
451 | } | |
452 | ||
453 | static void | |
8ac85365 | 454 | del_xnv(XPVNV *p) |
463ee0b2 LW |
455 | { |
456 | double* xnv = (double*)((char*)(p) + sizeof(XPVIV)); | |
457 | *(double**)xnv = xnv_root; | |
458 | xnv_root = xnv; | |
459 | } | |
460 | ||
461 | static XPVNV* | |
8ac85365 | 462 | more_xnv(void) |
463ee0b2 | 463 | { |
463ee0b2 LW |
464 | register double* xnv; |
465 | register double* xnvend; | |
8c52afec | 466 | New(711, xnv, 1008/sizeof(double), double); |
463ee0b2 LW |
467 | xnvend = &xnv[1008 / sizeof(double) - 1]; |
468 | xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */ | |
469 | xnv_root = xnv; | |
470 | while (xnv < xnvend) { | |
471 | *(double**)xnv = (double*)(xnv + 1); | |
472 | xnv++; | |
473 | } | |
474 | *(double**)xnv = 0; | |
475 | return new_xnv(); | |
476 | } | |
477 | ||
ed6116ce | 478 | static XRV* |
8ac85365 | 479 | new_xrv(void) |
ed6116ce LW |
480 | { |
481 | XRV* xrv; | |
482 | if (xrv_root) { | |
483 | xrv = xrv_root; | |
484 | xrv_root = (XRV*)xrv->xrv_rv; | |
485 | return xrv; | |
486 | } | |
487 | return more_xrv(); | |
488 | } | |
489 | ||
490 | static void | |
8ac85365 | 491 | del_xrv(XRV *p) |
ed6116ce LW |
492 | { |
493 | p->xrv_rv = (SV*)xrv_root; | |
494 | xrv_root = p; | |
495 | } | |
496 | ||
497 | static XRV* | |
8ac85365 | 498 | more_xrv(void) |
ed6116ce | 499 | { |
ed6116ce LW |
500 | register XRV* xrv; |
501 | register XRV* xrvend; | |
8c52afec | 502 | New(712, xrv_root, 1008/sizeof(XRV), XRV); |
ed6116ce LW |
503 | xrv = xrv_root; |
504 | xrvend = &xrv[1008 / sizeof(XRV) - 1]; | |
505 | while (xrv < xrvend) { | |
506 | xrv->xrv_rv = (SV*)(xrv + 1); | |
507 | xrv++; | |
508 | } | |
509 | xrv->xrv_rv = 0; | |
510 | return new_xrv(); | |
511 | } | |
512 | ||
463ee0b2 | 513 | static XPV* |
8ac85365 | 514 | new_xpv(void) |
463ee0b2 LW |
515 | { |
516 | XPV* xpv; | |
517 | if (xpv_root) { | |
518 | xpv = xpv_root; | |
519 | xpv_root = (XPV*)xpv->xpv_pv; | |
520 | return xpv; | |
521 | } | |
522 | return more_xpv(); | |
523 | } | |
524 | ||
525 | static void | |
8ac85365 | 526 | del_xpv(XPV *p) |
463ee0b2 LW |
527 | { |
528 | p->xpv_pv = (char*)xpv_root; | |
529 | xpv_root = p; | |
530 | } | |
531 | ||
532 | static XPV* | |
8ac85365 | 533 | more_xpv(void) |
463ee0b2 | 534 | { |
463ee0b2 LW |
535 | register XPV* xpv; |
536 | register XPV* xpvend; | |
8c52afec | 537 | New(713, xpv_root, 1008/sizeof(XPV), XPV); |
463ee0b2 LW |
538 | xpv = xpv_root; |
539 | xpvend = &xpv[1008 / sizeof(XPV) - 1]; | |
540 | while (xpv < xpvend) { | |
541 | xpv->xpv_pv = (char*)(xpv + 1); | |
542 | xpv++; | |
543 | } | |
544 | xpv->xpv_pv = 0; | |
545 | return new_xpv(); | |
546 | } | |
547 | ||
548 | #ifdef PURIFY | |
8990e307 | 549 | #define new_XIV() (void*)safemalloc(sizeof(XPVIV)) |
3028581b | 550 | #define del_XIV(p) Safefree((char*)p) |
463ee0b2 | 551 | #else |
85e6fe83 | 552 | #define new_XIV() (void*)new_xiv() |
8ac85365 | 553 | #define del_XIV(p) del_xiv((XPVIV*) p) |
463ee0b2 LW |
554 | #endif |
555 | ||
556 | #ifdef PURIFY | |
8990e307 | 557 | #define new_XNV() (void*)safemalloc(sizeof(XPVNV)) |
3028581b | 558 | #define del_XNV(p) Safefree((char*)p) |
463ee0b2 | 559 | #else |
85e6fe83 | 560 | #define new_XNV() (void*)new_xnv() |
8ac85365 | 561 | #define del_XNV(p) del_xnv((XPVNV*) p) |
463ee0b2 LW |
562 | #endif |
563 | ||
564 | #ifdef PURIFY | |
8990e307 | 565 | #define new_XRV() (void*)safemalloc(sizeof(XRV)) |
3028581b | 566 | #define del_XRV(p) Safefree((char*)p) |
ed6116ce | 567 | #else |
85e6fe83 | 568 | #define new_XRV() (void*)new_xrv() |
8ac85365 | 569 | #define del_XRV(p) del_xrv((XRV*) p) |
ed6116ce LW |
570 | #endif |
571 | ||
572 | #ifdef PURIFY | |
8990e307 | 573 | #define new_XPV() (void*)safemalloc(sizeof(XPV)) |
3028581b | 574 | #define del_XPV(p) Safefree((char*)p) |
463ee0b2 | 575 | #else |
85e6fe83 | 576 | #define new_XPV() (void*)new_xpv() |
8ac85365 | 577 | #define del_XPV(p) del_xpv((XPV *)p) |
463ee0b2 LW |
578 | #endif |
579 | ||
8c52afec IZ |
580 | #ifdef PURIFY |
581 | # define my_safemalloc(s) safemalloc(s) | |
582 | # define my_safefree(s) free(s) | |
583 | #else | |
584 | static void* | |
d665c133 | 585 | my_safemalloc(MEM_SIZE size) |
8c52afec IZ |
586 | { |
587 | char *p; | |
588 | New(717, p, size, char); | |
589 | return (void*)p; | |
590 | } | |
591 | # define my_safefree(s) Safefree(s) | |
592 | #endif | |
593 | ||
594 | #define new_XPVIV() (void*)my_safemalloc(sizeof(XPVIV)) | |
595 | #define del_XPVIV(p) my_safefree((char*)p) | |
596 | ||
597 | #define new_XPVNV() (void*)my_safemalloc(sizeof(XPVNV)) | |
598 | #define del_XPVNV(p) my_safefree((char*)p) | |
599 | ||
600 | #define new_XPVMG() (void*)my_safemalloc(sizeof(XPVMG)) | |
601 | #define del_XPVMG(p) my_safefree((char*)p) | |
602 | ||
603 | #define new_XPVLV() (void*)my_safemalloc(sizeof(XPVLV)) | |
604 | #define del_XPVLV(p) my_safefree((char*)p) | |
605 | ||
606 | #define new_XPVAV() (void*)my_safemalloc(sizeof(XPVAV)) | |
607 | #define del_XPVAV(p) my_safefree((char*)p) | |
608 | ||
609 | #define new_XPVHV() (void*)my_safemalloc(sizeof(XPVHV)) | |
610 | #define del_XPVHV(p) my_safefree((char*)p) | |
611 | ||
612 | #define new_XPVCV() (void*)my_safemalloc(sizeof(XPVCV)) | |
613 | #define del_XPVCV(p) my_safefree((char*)p) | |
614 | ||
615 | #define new_XPVGV() (void*)my_safemalloc(sizeof(XPVGV)) | |
616 | #define del_XPVGV(p) my_safefree((char*)p) | |
617 | ||
618 | #define new_XPVBM() (void*)my_safemalloc(sizeof(XPVBM)) | |
619 | #define del_XPVBM(p) my_safefree((char*)p) | |
620 | ||
621 | #define new_XPVFM() (void*)my_safemalloc(sizeof(XPVFM)) | |
622 | #define del_XPVFM(p) my_safefree((char*)p) | |
623 | ||
624 | #define new_XPVIO() (void*)my_safemalloc(sizeof(XPVIO)) | |
625 | #define del_XPVIO(p) my_safefree((char*)p) | |
8990e307 | 626 | |
79072805 | 627 | bool |
8ac85365 | 628 | sv_upgrade(register SV *sv, U32 mt) |
79072805 LW |
629 | { |
630 | char* pv; | |
631 | U32 cur; | |
632 | U32 len; | |
a0d0e21e | 633 | IV iv; |
79072805 LW |
634 | double nv; |
635 | MAGIC* magic; | |
636 | HV* stash; | |
637 | ||
638 | if (SvTYPE(sv) == mt) | |
639 | return TRUE; | |
640 | ||
a5f75d66 AD |
641 | if (mt < SVt_PVIV) |
642 | (void)SvOOK_off(sv); | |
643 | ||
79072805 LW |
644 | switch (SvTYPE(sv)) { |
645 | case SVt_NULL: | |
646 | pv = 0; | |
647 | cur = 0; | |
648 | len = 0; | |
649 | iv = 0; | |
650 | nv = 0.0; | |
651 | magic = 0; | |
652 | stash = 0; | |
653 | break; | |
79072805 LW |
654 | case SVt_IV: |
655 | pv = 0; | |
656 | cur = 0; | |
657 | len = 0; | |
463ee0b2 LW |
658 | iv = SvIVX(sv); |
659 | nv = (double)SvIVX(sv); | |
79072805 LW |
660 | del_XIV(SvANY(sv)); |
661 | magic = 0; | |
662 | stash = 0; | |
ed6116ce | 663 | if (mt == SVt_NV) |
463ee0b2 | 664 | mt = SVt_PVNV; |
ed6116ce LW |
665 | else if (mt < SVt_PVIV) |
666 | mt = SVt_PVIV; | |
79072805 LW |
667 | break; |
668 | case SVt_NV: | |
669 | pv = 0; | |
670 | cur = 0; | |
671 | len = 0; | |
463ee0b2 | 672 | nv = SvNVX(sv); |
ed6116ce | 673 | iv = I_32(nv); |
79072805 LW |
674 | magic = 0; |
675 | stash = 0; | |
676 | del_XNV(SvANY(sv)); | |
677 | SvANY(sv) = 0; | |
ed6116ce | 678 | if (mt < SVt_PVNV) |
79072805 LW |
679 | mt = SVt_PVNV; |
680 | break; | |
ed6116ce LW |
681 | case SVt_RV: |
682 | pv = (char*)SvRV(sv); | |
683 | cur = 0; | |
684 | len = 0; | |
a0d0e21e | 685 | iv = (IV)pv; |
ed6116ce LW |
686 | nv = (double)(unsigned long)pv; |
687 | del_XRV(SvANY(sv)); | |
688 | magic = 0; | |
689 | stash = 0; | |
690 | break; | |
79072805 | 691 | case SVt_PV: |
463ee0b2 | 692 | pv = SvPVX(sv); |
79072805 LW |
693 | cur = SvCUR(sv); |
694 | len = SvLEN(sv); | |
695 | iv = 0; | |
696 | nv = 0.0; | |
697 | magic = 0; | |
698 | stash = 0; | |
699 | del_XPV(SvANY(sv)); | |
748a9306 LW |
700 | if (mt <= SVt_IV) |
701 | mt = SVt_PVIV; | |
702 | else if (mt == SVt_NV) | |
703 | mt = SVt_PVNV; | |
79072805 LW |
704 | break; |
705 | case SVt_PVIV: | |
463ee0b2 | 706 | pv = SvPVX(sv); |
79072805 LW |
707 | cur = SvCUR(sv); |
708 | len = SvLEN(sv); | |
463ee0b2 | 709 | iv = SvIVX(sv); |
79072805 LW |
710 | nv = 0.0; |
711 | magic = 0; | |
712 | stash = 0; | |
713 | del_XPVIV(SvANY(sv)); | |
714 | break; | |
715 | case SVt_PVNV: | |
463ee0b2 | 716 | pv = SvPVX(sv); |
79072805 LW |
717 | cur = SvCUR(sv); |
718 | len = SvLEN(sv); | |
463ee0b2 LW |
719 | iv = SvIVX(sv); |
720 | nv = SvNVX(sv); | |
79072805 LW |
721 | magic = 0; |
722 | stash = 0; | |
723 | del_XPVNV(SvANY(sv)); | |
724 | break; | |
725 | case SVt_PVMG: | |
463ee0b2 | 726 | pv = SvPVX(sv); |
79072805 LW |
727 | cur = SvCUR(sv); |
728 | len = SvLEN(sv); | |
463ee0b2 LW |
729 | iv = SvIVX(sv); |
730 | nv = SvNVX(sv); | |
79072805 LW |
731 | magic = SvMAGIC(sv); |
732 | stash = SvSTASH(sv); | |
733 | del_XPVMG(SvANY(sv)); | |
734 | break; | |
735 | default: | |
463ee0b2 | 736 | croak("Can't upgrade that kind of scalar"); |
79072805 LW |
737 | } |
738 | ||
739 | switch (mt) { | |
740 | case SVt_NULL: | |
463ee0b2 | 741 | croak("Can't upgrade to undef"); |
79072805 LW |
742 | case SVt_IV: |
743 | SvANY(sv) = new_XIV(); | |
463ee0b2 | 744 | SvIVX(sv) = iv; |
79072805 LW |
745 | break; |
746 | case SVt_NV: | |
747 | SvANY(sv) = new_XNV(); | |
463ee0b2 | 748 | SvNVX(sv) = nv; |
79072805 | 749 | break; |
ed6116ce LW |
750 | case SVt_RV: |
751 | SvANY(sv) = new_XRV(); | |
752 | SvRV(sv) = (SV*)pv; | |
ed6116ce | 753 | break; |
79072805 LW |
754 | case SVt_PV: |
755 | SvANY(sv) = new_XPV(); | |
463ee0b2 | 756 | SvPVX(sv) = pv; |
79072805 LW |
757 | SvCUR(sv) = cur; |
758 | SvLEN(sv) = len; | |
759 | break; | |
760 | case SVt_PVIV: | |
761 | SvANY(sv) = new_XPVIV(); | |
463ee0b2 | 762 | SvPVX(sv) = pv; |
79072805 LW |
763 | SvCUR(sv) = cur; |
764 | SvLEN(sv) = len; | |
463ee0b2 | 765 | SvIVX(sv) = iv; |
79072805 | 766 | if (SvNIOK(sv)) |
a0d0e21e | 767 | (void)SvIOK_on(sv); |
79072805 LW |
768 | SvNOK_off(sv); |
769 | break; | |
770 | case SVt_PVNV: | |
771 | SvANY(sv) = new_XPVNV(); | |
463ee0b2 | 772 | SvPVX(sv) = pv; |
79072805 LW |
773 | SvCUR(sv) = cur; |
774 | SvLEN(sv) = len; | |
463ee0b2 LW |
775 | SvIVX(sv) = iv; |
776 | SvNVX(sv) = nv; | |
79072805 LW |
777 | break; |
778 | case SVt_PVMG: | |
779 | SvANY(sv) = new_XPVMG(); | |
463ee0b2 | 780 | SvPVX(sv) = pv; |
79072805 LW |
781 | SvCUR(sv) = cur; |
782 | SvLEN(sv) = len; | |
463ee0b2 LW |
783 | SvIVX(sv) = iv; |
784 | SvNVX(sv) = nv; | |
79072805 LW |
785 | SvMAGIC(sv) = magic; |
786 | SvSTASH(sv) = stash; | |
787 | break; | |
788 | case SVt_PVLV: | |
789 | SvANY(sv) = new_XPVLV(); | |
463ee0b2 | 790 | SvPVX(sv) = pv; |
79072805 LW |
791 | SvCUR(sv) = cur; |
792 | SvLEN(sv) = len; | |
463ee0b2 LW |
793 | SvIVX(sv) = iv; |
794 | SvNVX(sv) = nv; | |
79072805 LW |
795 | SvMAGIC(sv) = magic; |
796 | SvSTASH(sv) = stash; | |
797 | LvTARGOFF(sv) = 0; | |
798 | LvTARGLEN(sv) = 0; | |
799 | LvTARG(sv) = 0; | |
800 | LvTYPE(sv) = 0; | |
801 | break; | |
802 | case SVt_PVAV: | |
803 | SvANY(sv) = new_XPVAV(); | |
463ee0b2 LW |
804 | if (pv) |
805 | Safefree(pv); | |
2304df62 | 806 | SvPVX(sv) = 0; |
d1bf51dd | 807 | AvMAX(sv) = -1; |
93965878 | 808 | AvFILLp(sv) = -1; |
463ee0b2 LW |
809 | SvIVX(sv) = 0; |
810 | SvNVX(sv) = 0.0; | |
811 | SvMAGIC(sv) = magic; | |
812 | SvSTASH(sv) = stash; | |
813 | AvALLOC(sv) = 0; | |
79072805 LW |
814 | AvARYLEN(sv) = 0; |
815 | AvFLAGS(sv) = 0; | |
816 | break; | |
817 | case SVt_PVHV: | |
818 | SvANY(sv) = new_XPVHV(); | |
463ee0b2 LW |
819 | if (pv) |
820 | Safefree(pv); | |
821 | SvPVX(sv) = 0; | |
822 | HvFILL(sv) = 0; | |
823 | HvMAX(sv) = 0; | |
824 | HvKEYS(sv) = 0; | |
825 | SvNVX(sv) = 0.0; | |
79072805 LW |
826 | SvMAGIC(sv) = magic; |
827 | SvSTASH(sv) = stash; | |
79072805 LW |
828 | HvRITER(sv) = 0; |
829 | HvEITER(sv) = 0; | |
830 | HvPMROOT(sv) = 0; | |
831 | HvNAME(sv) = 0; | |
79072805 LW |
832 | break; |
833 | case SVt_PVCV: | |
834 | SvANY(sv) = new_XPVCV(); | |
748a9306 | 835 | Zero(SvANY(sv), 1, XPVCV); |
463ee0b2 | 836 | SvPVX(sv) = pv; |
79072805 LW |
837 | SvCUR(sv) = cur; |
838 | SvLEN(sv) = len; | |
463ee0b2 LW |
839 | SvIVX(sv) = iv; |
840 | SvNVX(sv) = nv; | |
79072805 LW |
841 | SvMAGIC(sv) = magic; |
842 | SvSTASH(sv) = stash; | |
79072805 LW |
843 | break; |
844 | case SVt_PVGV: | |
845 | SvANY(sv) = new_XPVGV(); | |
463ee0b2 | 846 | SvPVX(sv) = pv; |
79072805 LW |
847 | SvCUR(sv) = cur; |
848 | SvLEN(sv) = len; | |
463ee0b2 LW |
849 | SvIVX(sv) = iv; |
850 | SvNVX(sv) = nv; | |
79072805 LW |
851 | SvMAGIC(sv) = magic; |
852 | SvSTASH(sv) = stash; | |
93a17b20 | 853 | GvGP(sv) = 0; |
79072805 LW |
854 | GvNAME(sv) = 0; |
855 | GvNAMELEN(sv) = 0; | |
856 | GvSTASH(sv) = 0; | |
a5f75d66 | 857 | GvFLAGS(sv) = 0; |
79072805 LW |
858 | break; |
859 | case SVt_PVBM: | |
860 | SvANY(sv) = new_XPVBM(); | |
463ee0b2 | 861 | SvPVX(sv) = pv; |
79072805 LW |
862 | SvCUR(sv) = cur; |
863 | SvLEN(sv) = len; | |
463ee0b2 LW |
864 | SvIVX(sv) = iv; |
865 | SvNVX(sv) = nv; | |
79072805 LW |
866 | SvMAGIC(sv) = magic; |
867 | SvSTASH(sv) = stash; | |
868 | BmRARE(sv) = 0; | |
869 | BmUSEFUL(sv) = 0; | |
870 | BmPREVIOUS(sv) = 0; | |
871 | break; | |
872 | case SVt_PVFM: | |
873 | SvANY(sv) = new_XPVFM(); | |
748a9306 | 874 | Zero(SvANY(sv), 1, XPVFM); |
463ee0b2 | 875 | SvPVX(sv) = pv; |
79072805 LW |
876 | SvCUR(sv) = cur; |
877 | SvLEN(sv) = len; | |
463ee0b2 LW |
878 | SvIVX(sv) = iv; |
879 | SvNVX(sv) = nv; | |
79072805 LW |
880 | SvMAGIC(sv) = magic; |
881 | SvSTASH(sv) = stash; | |
79072805 | 882 | break; |
8990e307 LW |
883 | case SVt_PVIO: |
884 | SvANY(sv) = new_XPVIO(); | |
748a9306 | 885 | Zero(SvANY(sv), 1, XPVIO); |
8990e307 LW |
886 | SvPVX(sv) = pv; |
887 | SvCUR(sv) = cur; | |
888 | SvLEN(sv) = len; | |
889 | SvIVX(sv) = iv; | |
890 | SvNVX(sv) = nv; | |
891 | SvMAGIC(sv) = magic; | |
892 | SvSTASH(sv) = stash; | |
85e6fe83 | 893 | IoPAGE_LEN(sv) = 60; |
8990e307 LW |
894 | break; |
895 | } | |
896 | SvFLAGS(sv) &= ~SVTYPEMASK; | |
897 | SvFLAGS(sv) |= mt; | |
79072805 LW |
898 | return TRUE; |
899 | } | |
900 | ||
a0d0e21e | 901 | #ifdef DEBUGGING |
79072805 | 902 | char * |
8ac85365 | 903 | sv_peek(SV *sv) |
79072805 | 904 | { |
46fc3d4c | 905 | SV *t = sv_newmortal(); |
906 | STRLEN prevlen; | |
a0d0e21e | 907 | int unref = 0; |
79072805 | 908 | |
2b98c477 | 909 | sv_setpvn(t, "", 0); |
79072805 LW |
910 | retry: |
911 | if (!sv) { | |
46fc3d4c | 912 | sv_catpv(t, "VOID"); |
a0d0e21e | 913 | goto finish; |
79072805 LW |
914 | } |
915 | else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') { | |
46fc3d4c | 916 | sv_catpv(t, "WILD"); |
a0d0e21e LW |
917 | goto finish; |
918 | } | |
919 | else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) { | |
920 | if (sv == &sv_undef) { | |
46fc3d4c | 921 | sv_catpv(t, "SV_UNDEF"); |
a0d0e21e LW |
922 | if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT| |
923 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
924 | SvREADONLY(sv)) | |
925 | goto finish; | |
926 | } | |
927 | else if (sv == &sv_no) { | |
46fc3d4c | 928 | sv_catpv(t, "SV_NO"); |
a0d0e21e LW |
929 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
930 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
931 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
932 | SVp_POK|SVp_NOK)) && | |
933 | SvCUR(sv) == 0 && | |
934 | SvNVX(sv) == 0.0) | |
935 | goto finish; | |
936 | } | |
937 | else { | |
46fc3d4c | 938 | sv_catpv(t, "SV_YES"); |
a0d0e21e LW |
939 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
940 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
941 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
942 | SVp_POK|SVp_NOK)) && | |
943 | SvCUR(sv) == 1 && | |
944 | SvPVX(sv) && *SvPVX(sv) == '1' && | |
945 | SvNVX(sv) == 1.0) | |
946 | goto finish; | |
947 | } | |
46fc3d4c | 948 | sv_catpv(t, ":"); |
79072805 | 949 | } |
a0d0e21e | 950 | else if (SvREFCNT(sv) == 0) { |
46fc3d4c | 951 | sv_catpv(t, "("); |
a0d0e21e | 952 | unref++; |
79072805 | 953 | } |
a0d0e21e | 954 | if (SvROK(sv)) { |
46fc3d4c | 955 | sv_catpv(t, "\\"); |
956 | if (SvCUR(t) + unref > 10) { | |
957 | SvCUR(t) = unref + 3; | |
958 | *SvEND(t) = '\0'; | |
959 | sv_catpv(t, "..."); | |
a0d0e21e | 960 | goto finish; |
79072805 | 961 | } |
a0d0e21e LW |
962 | sv = (SV*)SvRV(sv); |
963 | goto retry; | |
964 | } | |
965 | switch (SvTYPE(sv)) { | |
966 | default: | |
46fc3d4c | 967 | sv_catpv(t, "FREED"); |
a0d0e21e LW |
968 | goto finish; |
969 | ||
970 | case SVt_NULL: | |
46fc3d4c | 971 | sv_catpv(t, "UNDEF"); |
96827780 | 972 | goto finish; |
a0d0e21e | 973 | case SVt_IV: |
46fc3d4c | 974 | sv_catpv(t, "IV"); |
a0d0e21e LW |
975 | break; |
976 | case SVt_NV: | |
46fc3d4c | 977 | sv_catpv(t, "NV"); |
a0d0e21e LW |
978 | break; |
979 | case SVt_RV: | |
46fc3d4c | 980 | sv_catpv(t, "RV"); |
a0d0e21e LW |
981 | break; |
982 | case SVt_PV: | |
46fc3d4c | 983 | sv_catpv(t, "PV"); |
a0d0e21e LW |
984 | break; |
985 | case SVt_PVIV: | |
46fc3d4c | 986 | sv_catpv(t, "PVIV"); |
a0d0e21e LW |
987 | break; |
988 | case SVt_PVNV: | |
46fc3d4c | 989 | sv_catpv(t, "PVNV"); |
a0d0e21e LW |
990 | break; |
991 | case SVt_PVMG: | |
46fc3d4c | 992 | sv_catpv(t, "PVMG"); |
a0d0e21e LW |
993 | break; |
994 | case SVt_PVLV: | |
46fc3d4c | 995 | sv_catpv(t, "PVLV"); |
a0d0e21e LW |
996 | break; |
997 | case SVt_PVAV: | |
46fc3d4c | 998 | sv_catpv(t, "AV"); |
a0d0e21e LW |
999 | break; |
1000 | case SVt_PVHV: | |
46fc3d4c | 1001 | sv_catpv(t, "HV"); |
a0d0e21e LW |
1002 | break; |
1003 | case SVt_PVCV: | |
1004 | if (CvGV(sv)) | |
46fc3d4c | 1005 | sv_catpvf(t, "CV(%s)", GvNAME(CvGV(sv))); |
a0d0e21e | 1006 | else |
46fc3d4c | 1007 | sv_catpv(t, "CV()"); |
a0d0e21e LW |
1008 | goto finish; |
1009 | case SVt_PVGV: | |
46fc3d4c | 1010 | sv_catpv(t, "GV"); |
a0d0e21e LW |
1011 | break; |
1012 | case SVt_PVBM: | |
46fc3d4c | 1013 | sv_catpv(t, "BM"); |
a0d0e21e LW |
1014 | break; |
1015 | case SVt_PVFM: | |
46fc3d4c | 1016 | sv_catpv(t, "FM"); |
a0d0e21e LW |
1017 | break; |
1018 | case SVt_PVIO: | |
46fc3d4c | 1019 | sv_catpv(t, "IO"); |
a0d0e21e | 1020 | break; |
79072805 | 1021 | } |
79072805 | 1022 | |
a0d0e21e | 1023 | if (SvPOKp(sv)) { |
463ee0b2 | 1024 | if (!SvPVX(sv)) |
46fc3d4c | 1025 | sv_catpv(t, "(null)"); |
79072805 | 1026 | if (SvOOK(sv)) |
46fc3d4c | 1027 | sv_catpvf(t, "(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv)); |
79072805 | 1028 | else |
46fc3d4c | 1029 | sv_catpvf(t, "(\"%.127s\")",SvPVX(sv)); |
79072805 | 1030 | } |
bbce6d69 | 1031 | else if (SvNOKp(sv)) { |
36477c24 | 1032 | SET_NUMERIC_STANDARD(); |
46fc3d4c | 1033 | sv_catpvf(t, "(%g)",SvNVX(sv)); |
bbce6d69 | 1034 | } |
a0d0e21e | 1035 | else if (SvIOKp(sv)) |
46fc3d4c | 1036 | sv_catpvf(t, "(%ld)",(long)SvIVX(sv)); |
79072805 | 1037 | else |
46fc3d4c | 1038 | sv_catpv(t, "()"); |
a0d0e21e LW |
1039 | |
1040 | finish: | |
1041 | if (unref) { | |
a0d0e21e | 1042 | while (unref--) |
46fc3d4c | 1043 | sv_catpv(t, ")"); |
a0d0e21e | 1044 | } |
46fc3d4c | 1045 | return SvPV(t, na); |
79072805 | 1046 | } |
a0d0e21e | 1047 | #endif |
79072805 LW |
1048 | |
1049 | int | |
8ac85365 | 1050 | sv_backoff(register SV *sv) |
79072805 LW |
1051 | { |
1052 | assert(SvOOK(sv)); | |
463ee0b2 LW |
1053 | if (SvIVX(sv)) { |
1054 | char *s = SvPVX(sv); | |
1055 | SvLEN(sv) += SvIVX(sv); | |
1056 | SvPVX(sv) -= SvIVX(sv); | |
79072805 | 1057 | SvIV_set(sv, 0); |
463ee0b2 | 1058 | Move(s, SvPVX(sv), SvCUR(sv)+1, char); |
79072805 LW |
1059 | } |
1060 | SvFLAGS(sv) &= ~SVf_OOK; | |
a0d0e21e | 1061 | return 0; |
79072805 LW |
1062 | } |
1063 | ||
1064 | char * | |
79072805 | 1065 | #ifndef DOSISH |
f0f333f4 | 1066 | sv_grow(register SV *sv, register I32 newlen) |
79072805 | 1067 | #else |
f0f333f4 | 1068 | sv_grow(SV* sv, unsigned long newlen) |
79072805 LW |
1069 | #endif |
1070 | { | |
1071 | register char *s; | |
1072 | ||
55497cff | 1073 | #ifdef HAS_64K_LIMIT |
79072805 | 1074 | if (newlen >= 0x10000) { |
d1bf51dd | 1075 | PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen); |
79072805 LW |
1076 | my_exit(1); |
1077 | } | |
55497cff | 1078 | #endif /* HAS_64K_LIMIT */ |
a0d0e21e LW |
1079 | if (SvROK(sv)) |
1080 | sv_unref(sv); | |
79072805 LW |
1081 | if (SvTYPE(sv) < SVt_PV) { |
1082 | sv_upgrade(sv, SVt_PV); | |
463ee0b2 | 1083 | s = SvPVX(sv); |
79072805 LW |
1084 | } |
1085 | else if (SvOOK(sv)) { /* pv is offset? */ | |
1086 | sv_backoff(sv); | |
463ee0b2 | 1087 | s = SvPVX(sv); |
79072805 LW |
1088 | if (newlen > SvLEN(sv)) |
1089 | newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */ | |
c6f8c383 GA |
1090 | #ifdef HAS_64K_LIMIT |
1091 | if (newlen >= 0x10000) | |
1092 | newlen = 0xFFFF; | |
1093 | #endif | |
79072805 LW |
1094 | } |
1095 | else | |
463ee0b2 | 1096 | s = SvPVX(sv); |
79072805 | 1097 | if (newlen > SvLEN(sv)) { /* need more room? */ |
85e6fe83 | 1098 | if (SvLEN(sv) && s) |
79072805 LW |
1099 | Renew(s,newlen,char); |
1100 | else | |
1101 | New(703,s,newlen,char); | |
1102 | SvPV_set(sv, s); | |
1103 | SvLEN_set(sv, newlen); | |
1104 | } | |
1105 | return s; | |
1106 | } | |
1107 | ||
1108 | void | |
8ac85365 | 1109 | sv_setiv(register SV *sv, IV i) |
79072805 | 1110 | { |
2213622d | 1111 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 LW |
1112 | switch (SvTYPE(sv)) { |
1113 | case SVt_NULL: | |
79072805 | 1114 | sv_upgrade(sv, SVt_IV); |
463ee0b2 LW |
1115 | break; |
1116 | case SVt_NV: | |
1117 | sv_upgrade(sv, SVt_PVNV); | |
1118 | break; | |
ed6116ce | 1119 | case SVt_RV: |
463ee0b2 | 1120 | case SVt_PV: |
79072805 | 1121 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 | 1122 | break; |
a0d0e21e LW |
1123 | |
1124 | case SVt_PVGV: | |
1125 | if (SvFAKE(sv)) { | |
1126 | sv_unglob(sv); | |
1127 | break; | |
1128 | } | |
1129 | /* FALL THROUGH */ | |
1130 | case SVt_PVAV: | |
1131 | case SVt_PVHV: | |
1132 | case SVt_PVCV: | |
1133 | case SVt_PVFM: | |
1134 | case SVt_PVIO: | |
11343788 MB |
1135 | { |
1136 | dTHR; | |
1137 | croak("Can't coerce %s to integer in %s", sv_reftype(sv,0), | |
5dc0d613 | 1138 | op_desc[op->op_type]); |
11343788 | 1139 | } |
463ee0b2 | 1140 | } |
a0d0e21e | 1141 | (void)SvIOK_only(sv); /* validate number */ |
a5f75d66 | 1142 | SvIVX(sv) = i; |
463ee0b2 | 1143 | SvTAINT(sv); |
79072805 LW |
1144 | } |
1145 | ||
1146 | void | |
ef50df4b GS |
1147 | sv_setiv_mg(register SV *sv, IV i) |
1148 | { | |
1149 | sv_setiv(sv,i); | |
1150 | SvSETMAGIC(sv); | |
1151 | } | |
1152 | ||
1153 | void | |
8ac85365 | 1154 | sv_setuv(register SV *sv, UV u) |
55497cff | 1155 | { |
1156 | if (u <= IV_MAX) | |
1157 | sv_setiv(sv, u); | |
1158 | else | |
1159 | sv_setnv(sv, (double)u); | |
1160 | } | |
1161 | ||
1162 | void | |
ef50df4b GS |
1163 | sv_setuv_mg(register SV *sv, UV u) |
1164 | { | |
1165 | sv_setuv(sv,u); | |
1166 | SvSETMAGIC(sv); | |
1167 | } | |
1168 | ||
1169 | void | |
8ac85365 | 1170 | sv_setnv(register SV *sv, double num) |
79072805 | 1171 | { |
2213622d | 1172 | SV_CHECK_THINKFIRST(sv); |
a0d0e21e LW |
1173 | switch (SvTYPE(sv)) { |
1174 | case SVt_NULL: | |
1175 | case SVt_IV: | |
79072805 | 1176 | sv_upgrade(sv, SVt_NV); |
a0d0e21e | 1177 | break; |
a0d0e21e LW |
1178 | case SVt_RV: |
1179 | case SVt_PV: | |
1180 | case SVt_PVIV: | |
79072805 | 1181 | sv_upgrade(sv, SVt_PVNV); |
a0d0e21e LW |
1182 | /* FALL THROUGH */ |
1183 | case SVt_PVNV: | |
1184 | case SVt_PVMG: | |
1185 | case SVt_PVBM: | |
1186 | case SVt_PVLV: | |
1187 | if (SvOOK(sv)) | |
1188 | (void)SvOOK_off(sv); | |
1189 | break; | |
1190 | case SVt_PVGV: | |
1191 | if (SvFAKE(sv)) { | |
1192 | sv_unglob(sv); | |
1193 | break; | |
1194 | } | |
1195 | /* FALL THROUGH */ | |
1196 | case SVt_PVAV: | |
1197 | case SVt_PVHV: | |
1198 | case SVt_PVCV: | |
1199 | case SVt_PVFM: | |
1200 | case SVt_PVIO: | |
11343788 MB |
1201 | { |
1202 | dTHR; | |
1203 | croak("Can't coerce %s to number in %s", sv_reftype(sv,0), | |
1204 | op_name[op->op_type]); | |
1205 | } | |
79072805 | 1206 | } |
463ee0b2 | 1207 | SvNVX(sv) = num; |
a0d0e21e | 1208 | (void)SvNOK_only(sv); /* validate number */ |
463ee0b2 | 1209 | SvTAINT(sv); |
79072805 LW |
1210 | } |
1211 | ||
ef50df4b GS |
1212 | void |
1213 | sv_setnv_mg(register SV *sv, double num) | |
1214 | { | |
1215 | sv_setnv(sv,num); | |
1216 | SvSETMAGIC(sv); | |
1217 | } | |
1218 | ||
a0d0e21e | 1219 | static void |
8ac85365 | 1220 | not_a_number(SV *sv) |
a0d0e21e | 1221 | { |
11343788 | 1222 | dTHR; |
a0d0e21e LW |
1223 | char tmpbuf[64]; |
1224 | char *d = tmpbuf; | |
1225 | char *s; | |
dc28f22b GA |
1226 | char *limit = tmpbuf + sizeof(tmpbuf) - 8; |
1227 | /* each *s can expand to 4 chars + "...\0", | |
1228 | i.e. need room for 8 chars */ | |
a0d0e21e | 1229 | |
dc28f22b | 1230 | for (s = SvPVX(sv); *s && d < limit; s++) { |
bbce6d69 | 1231 | int ch = *s & 0xFF; |
1232 | if (ch & 128 && !isPRINT_LC(ch)) { | |
a0d0e21e LW |
1233 | *d++ = 'M'; |
1234 | *d++ = '-'; | |
1235 | ch &= 127; | |
1236 | } | |
bbce6d69 | 1237 | if (ch == '\n') { |
1238 | *d++ = '\\'; | |
1239 | *d++ = 'n'; | |
1240 | } | |
1241 | else if (ch == '\r') { | |
1242 | *d++ = '\\'; | |
1243 | *d++ = 'r'; | |
1244 | } | |
1245 | else if (ch == '\f') { | |
1246 | *d++ = '\\'; | |
1247 | *d++ = 'f'; | |
1248 | } | |
1249 | else if (ch == '\\') { | |
1250 | *d++ = '\\'; | |
1251 | *d++ = '\\'; | |
1252 | } | |
1253 | else if (isPRINT_LC(ch)) | |
a0d0e21e LW |
1254 | *d++ = ch; |
1255 | else { | |
1256 | *d++ = '^'; | |
bbce6d69 | 1257 | *d++ = toCTRL(ch); |
a0d0e21e LW |
1258 | } |
1259 | } | |
1260 | if (*s) { | |
1261 | *d++ = '.'; | |
1262 | *d++ = '.'; | |
1263 | *d++ = '.'; | |
1264 | } | |
1265 | *d = '\0'; | |
1266 | ||
1267 | if (op) | |
c07a80fd | 1268 | warn("Argument \"%s\" isn't numeric in %s", tmpbuf, |
a0d0e21e LW |
1269 | op_name[op->op_type]); |
1270 | else | |
1271 | warn("Argument \"%s\" isn't numeric", tmpbuf); | |
1272 | } | |
1273 | ||
1274 | IV | |
8ac85365 | 1275 | sv_2iv(register SV *sv) |
79072805 LW |
1276 | { |
1277 | if (!sv) | |
1278 | return 0; | |
8990e307 | 1279 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1280 | mg_get(sv); |
1281 | if (SvIOKp(sv)) | |
1282 | return SvIVX(sv); | |
748a9306 LW |
1283 | if (SvNOKp(sv)) { |
1284 | if (SvNVX(sv) < 0.0) | |
1285 | return I_V(SvNVX(sv)); | |
1286 | else | |
5d94fbed | 1287 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1288 | } |
36477c24 | 1289 | if (SvPOKp(sv) && SvLEN(sv)) |
1290 | return asIV(sv); | |
3fe9a6f1 | 1291 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1292 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1293 | dTHR; | |
1294 | if (!localizing) | |
1295 | warn(warn_uninit); | |
1296 | } | |
36477c24 | 1297 | return 0; |
3fe9a6f1 | 1298 | } |
463ee0b2 | 1299 | } |
ed6116ce | 1300 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1301 | if (SvROK(sv)) { |
1302 | #ifdef OVERLOAD | |
1303 | SV* tmpstr; | |
1304 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1305 | return SvIV(tmpstr); | |
1306 | #endif /* OVERLOAD */ | |
1307 | return (IV)SvRV(sv); | |
1308 | } | |
ed6116ce | 1309 | if (SvREADONLY(sv)) { |
748a9306 LW |
1310 | if (SvNOKp(sv)) { |
1311 | if (SvNVX(sv) < 0.0) | |
1312 | return I_V(SvNVX(sv)); | |
1313 | else | |
5d94fbed | 1314 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1315 | } |
36477c24 | 1316 | if (SvPOKp(sv) && SvLEN(sv)) |
1317 | return asIV(sv); | |
ed6116ce | 1318 | if (dowarn) |
8990e307 | 1319 | warn(warn_uninit); |
ed6116ce LW |
1320 | return 0; |
1321 | } | |
79072805 | 1322 | } |
463ee0b2 | 1323 | switch (SvTYPE(sv)) { |
463ee0b2 | 1324 | case SVt_NULL: |
79072805 | 1325 | sv_upgrade(sv, SVt_IV); |
8ebc5c01 | 1326 | break; |
463ee0b2 | 1327 | case SVt_PV: |
79072805 | 1328 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 LW |
1329 | break; |
1330 | case SVt_NV: | |
1331 | sv_upgrade(sv, SVt_PVNV); | |
1332 | break; | |
1333 | } | |
748a9306 | 1334 | if (SvNOKp(sv)) { |
a5f75d66 | 1335 | (void)SvIOK_on(sv); |
748a9306 LW |
1336 | if (SvNVX(sv) < 0.0) |
1337 | SvIVX(sv) = I_V(SvNVX(sv)); | |
1338 | else | |
ff68c719 | 1339 | SvUVX(sv) = U_V(SvNVX(sv)); |
748a9306 LW |
1340 | } |
1341 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
a5f75d66 | 1342 | (void)SvIOK_on(sv); |
36477c24 | 1343 | SvIVX(sv) = asIV(sv); |
93a17b20 | 1344 | } |
79072805 | 1345 | else { |
11343788 | 1346 | dTHR; |
91bba347 | 1347 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1348 | warn(warn_uninit); |
a0d0e21e | 1349 | return 0; |
79072805 | 1350 | } |
760ac839 | 1351 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n", |
a0d0e21e | 1352 | (unsigned long)sv,(long)SvIVX(sv))); |
463ee0b2 | 1353 | return SvIVX(sv); |
79072805 LW |
1354 | } |
1355 | ||
ff68c719 | 1356 | UV |
8ac85365 | 1357 | sv_2uv(register SV *sv) |
ff68c719 | 1358 | { |
1359 | if (!sv) | |
1360 | return 0; | |
1361 | if (SvGMAGICAL(sv)) { | |
1362 | mg_get(sv); | |
1363 | if (SvIOKp(sv)) | |
1364 | return SvUVX(sv); | |
1365 | if (SvNOKp(sv)) | |
1366 | return U_V(SvNVX(sv)); | |
36477c24 | 1367 | if (SvPOKp(sv) && SvLEN(sv)) |
1368 | return asUV(sv); | |
3fe9a6f1 | 1369 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1370 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1371 | dTHR; | |
1372 | if (!localizing) | |
1373 | warn(warn_uninit); | |
1374 | } | |
36477c24 | 1375 | return 0; |
3fe9a6f1 | 1376 | } |
ff68c719 | 1377 | } |
1378 | if (SvTHINKFIRST(sv)) { | |
1379 | if (SvROK(sv)) { | |
1380 | #ifdef OVERLOAD | |
1381 | SV* tmpstr; | |
1382 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1383 | return SvUV(tmpstr); | |
1384 | #endif /* OVERLOAD */ | |
1385 | return (UV)SvRV(sv); | |
1386 | } | |
1387 | if (SvREADONLY(sv)) { | |
1388 | if (SvNOKp(sv)) { | |
1389 | return U_V(SvNVX(sv)); | |
1390 | } | |
36477c24 | 1391 | if (SvPOKp(sv) && SvLEN(sv)) |
1392 | return asUV(sv); | |
ff68c719 | 1393 | if (dowarn) |
1394 | warn(warn_uninit); | |
1395 | return 0; | |
1396 | } | |
1397 | } | |
1398 | switch (SvTYPE(sv)) { | |
1399 | case SVt_NULL: | |
1400 | sv_upgrade(sv, SVt_IV); | |
8ebc5c01 | 1401 | break; |
ff68c719 | 1402 | case SVt_PV: |
1403 | sv_upgrade(sv, SVt_PVIV); | |
1404 | break; | |
1405 | case SVt_NV: | |
1406 | sv_upgrade(sv, SVt_PVNV); | |
1407 | break; | |
1408 | } | |
1409 | if (SvNOKp(sv)) { | |
1410 | (void)SvIOK_on(sv); | |
1411 | SvUVX(sv) = U_V(SvNVX(sv)); | |
1412 | } | |
1413 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
ff68c719 | 1414 | (void)SvIOK_on(sv); |
36477c24 | 1415 | SvUVX(sv) = asUV(sv); |
ff68c719 | 1416 | } |
1417 | else { | |
c6ee37c5 MB |
1418 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1419 | dTHR; | |
1420 | if (!localizing) | |
1421 | warn(warn_uninit); | |
1422 | } | |
ff68c719 | 1423 | return 0; |
1424 | } | |
1425 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n", | |
1426 | (unsigned long)sv,SvUVX(sv))); | |
1427 | return SvUVX(sv); | |
1428 | } | |
1429 | ||
79072805 | 1430 | double |
8ac85365 | 1431 | sv_2nv(register SV *sv) |
79072805 LW |
1432 | { |
1433 | if (!sv) | |
1434 | return 0.0; | |
8990e307 | 1435 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1436 | mg_get(sv); |
1437 | if (SvNOKp(sv)) | |
1438 | return SvNVX(sv); | |
a0d0e21e | 1439 | if (SvPOKp(sv) && SvLEN(sv)) { |
748a9306 | 1440 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1441 | not_a_number(sv); |
36477c24 | 1442 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1443 | return atof(SvPVX(sv)); |
a0d0e21e | 1444 | } |
463ee0b2 LW |
1445 | if (SvIOKp(sv)) |
1446 | return (double)SvIVX(sv); | |
16d20bd9 | 1447 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1448 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1449 | dTHR; | |
1450 | if (!localizing) | |
1451 | warn(warn_uninit); | |
1452 | } | |
16d20bd9 AD |
1453 | return 0; |
1454 | } | |
463ee0b2 | 1455 | } |
ed6116ce | 1456 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1457 | if (SvROK(sv)) { |
1458 | #ifdef OVERLOAD | |
1459 | SV* tmpstr; | |
1460 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer))) | |
1461 | return SvNV(tmpstr); | |
1462 | #endif /* OVERLOAD */ | |
1463 | return (double)(unsigned long)SvRV(sv); | |
1464 | } | |
ed6116ce | 1465 | if (SvREADONLY(sv)) { |
748a9306 LW |
1466 | if (SvPOKp(sv) && SvLEN(sv)) { |
1467 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) | |
a0d0e21e | 1468 | not_a_number(sv); |
36477c24 | 1469 | SET_NUMERIC_STANDARD(); |
ed6116ce | 1470 | return atof(SvPVX(sv)); |
a0d0e21e | 1471 | } |
748a9306 | 1472 | if (SvIOKp(sv)) |
8990e307 | 1473 | return (double)SvIVX(sv); |
ed6116ce | 1474 | if (dowarn) |
8990e307 | 1475 | warn(warn_uninit); |
ed6116ce LW |
1476 | return 0.0; |
1477 | } | |
79072805 LW |
1478 | } |
1479 | if (SvTYPE(sv) < SVt_NV) { | |
463ee0b2 LW |
1480 | if (SvTYPE(sv) == SVt_IV) |
1481 | sv_upgrade(sv, SVt_PVNV); | |
1482 | else | |
1483 | sv_upgrade(sv, SVt_NV); | |
36477c24 | 1484 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1485 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1486 | "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
79072805 LW |
1487 | } |
1488 | else if (SvTYPE(sv) < SVt_PVNV) | |
1489 | sv_upgrade(sv, SVt_PVNV); | |
748a9306 LW |
1490 | if (SvIOKp(sv) && |
1491 | (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv))) | |
93a17b20 | 1492 | { |
463ee0b2 | 1493 | SvNVX(sv) = (double)SvIVX(sv); |
93a17b20 | 1494 | } |
748a9306 LW |
1495 | else if (SvPOKp(sv) && SvLEN(sv)) { |
1496 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) | |
a0d0e21e | 1497 | not_a_number(sv); |
36477c24 | 1498 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1499 | SvNVX(sv) = atof(SvPVX(sv)); |
93a17b20 | 1500 | } |
79072805 | 1501 | else { |
11343788 | 1502 | dTHR; |
91bba347 | 1503 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1504 | warn(warn_uninit); |
a0d0e21e | 1505 | return 0.0; |
79072805 LW |
1506 | } |
1507 | SvNOK_on(sv); | |
36477c24 | 1508 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1509 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1510 | "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
463ee0b2 | 1511 | return SvNVX(sv); |
79072805 LW |
1512 | } |
1513 | ||
36477c24 | 1514 | static IV |
8ac85365 | 1515 | asIV(SV *sv) |
36477c24 | 1516 | { |
1517 | I32 numtype = looks_like_number(sv); | |
1518 | double d; | |
1519 | ||
1520 | if (numtype == 1) | |
1521 | return atol(SvPVX(sv)); | |
1522 | if (!numtype && dowarn) | |
1523 | not_a_number(sv); | |
1524 | SET_NUMERIC_STANDARD(); | |
1525 | d = atof(SvPVX(sv)); | |
1526 | if (d < 0.0) | |
1527 | return I_V(d); | |
1528 | else | |
1529 | return (IV) U_V(d); | |
1530 | } | |
1531 | ||
1532 | static UV | |
8ac85365 | 1533 | asUV(SV *sv) |
36477c24 | 1534 | { |
1535 | I32 numtype = looks_like_number(sv); | |
1536 | ||
84902520 | 1537 | #ifdef HAS_STRTOUL |
36477c24 | 1538 | if (numtype == 1) |
84902520 TB |
1539 | return strtoul(SvPVX(sv), Null(char**), 10); |
1540 | #endif | |
36477c24 | 1541 | if (!numtype && dowarn) |
1542 | not_a_number(sv); | |
1543 | SET_NUMERIC_STANDARD(); | |
1544 | return U_V(atof(SvPVX(sv))); | |
1545 | } | |
1546 | ||
1547 | I32 | |
8ac85365 | 1548 | looks_like_number(SV *sv) |
36477c24 | 1549 | { |
1550 | register char *s; | |
1551 | register char *send; | |
1552 | register char *sbegin; | |
ff0cee69 | 1553 | I32 numtype; |
36477c24 | 1554 | STRLEN len; |
1555 | ||
1556 | if (SvPOK(sv)) { | |
1557 | sbegin = SvPVX(sv); | |
1558 | len = SvCUR(sv); | |
1559 | } | |
1560 | else if (SvPOKp(sv)) | |
1561 | sbegin = SvPV(sv, len); | |
1562 | else | |
1563 | return 1; | |
1564 | send = sbegin + len; | |
1565 | ||
1566 | s = sbegin; | |
1567 | while (isSPACE(*s)) | |
1568 | s++; | |
36477c24 | 1569 | if (*s == '+' || *s == '-') |
1570 | s++; | |
ff0cee69 | 1571 | |
1572 | /* next must be digit or '.' */ | |
1573 | if (isDIGIT(*s)) { | |
1574 | do { | |
1575 | s++; | |
1576 | } while (isDIGIT(*s)); | |
1577 | if (*s == '.') { | |
1578 | s++; | |
1579 | while (isDIGIT(*s)) /* optional digits after "." */ | |
1580 | s++; | |
1581 | } | |
36477c24 | 1582 | } |
ff0cee69 | 1583 | else if (*s == '.') { |
1584 | s++; | |
1585 | /* no digits before '.' means we need digits after it */ | |
1586 | if (isDIGIT(*s)) { | |
1587 | do { | |
1588 | s++; | |
1589 | } while (isDIGIT(*s)); | |
1590 | } | |
1591 | else | |
1592 | return 0; | |
1593 | } | |
1594 | else | |
1595 | return 0; | |
1596 | ||
1597 | /* | |
1598 | * we return 1 if the number can be converted to _integer_ with atol() | |
1599 | * and 2 if you need (int)atof(). | |
1600 | */ | |
1601 | numtype = 1; | |
1602 | ||
1603 | /* we can have an optional exponent part */ | |
36477c24 | 1604 | if (*s == 'e' || *s == 'E') { |
1605 | numtype = 2; | |
1606 | s++; | |
1607 | if (*s == '+' || *s == '-') | |
1608 | s++; | |
ff0cee69 | 1609 | if (isDIGIT(*s)) { |
1610 | do { | |
1611 | s++; | |
1612 | } while (isDIGIT(*s)); | |
1613 | } | |
1614 | else | |
1615 | return 0; | |
36477c24 | 1616 | } |
1617 | while (isSPACE(*s)) | |
1618 | s++; | |
1619 | if (s >= send) | |
1620 | return numtype; | |
1621 | if (len == 10 && memEQ(sbegin, "0 but true", 10)) | |
1622 | return 1; | |
1623 | return 0; | |
1624 | } | |
1625 | ||
79072805 | 1626 | char * |
8ac85365 | 1627 | sv_2pv(register SV *sv, STRLEN *lp) |
79072805 LW |
1628 | { |
1629 | register char *s; | |
1630 | int olderrno; | |
46fc3d4c | 1631 | SV *tsv; |
96827780 | 1632 | char tmpbuf[64]; /* Must fit sprintf/Gconvert of longest IV/NV */ |
79072805 | 1633 | |
463ee0b2 LW |
1634 | if (!sv) { |
1635 | *lp = 0; | |
1636 | return ""; | |
1637 | } | |
8990e307 | 1638 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1639 | mg_get(sv); |
1640 | if (SvPOKp(sv)) { | |
1641 | *lp = SvCUR(sv); | |
1642 | return SvPVX(sv); | |
1643 | } | |
1644 | if (SvIOKp(sv)) { | |
96827780 | 1645 | (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv)); |
46fc3d4c | 1646 | tsv = Nullsv; |
a0d0e21e | 1647 | goto tokensave; |
463ee0b2 LW |
1648 | } |
1649 | if (SvNOKp(sv)) { | |
36477c24 | 1650 | SET_NUMERIC_STANDARD(); |
96827780 | 1651 | Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf); |
46fc3d4c | 1652 | tsv = Nullsv; |
a0d0e21e | 1653 | goto tokensave; |
463ee0b2 | 1654 | } |
16d20bd9 | 1655 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1656 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1657 | dTHR; | |
1658 | if (!localizing) | |
1659 | warn(warn_uninit); | |
1660 | } | |
16d20bd9 AD |
1661 | *lp = 0; |
1662 | return ""; | |
1663 | } | |
463ee0b2 | 1664 | } |
ed6116ce LW |
1665 | if (SvTHINKFIRST(sv)) { |
1666 | if (SvROK(sv)) { | |
a0d0e21e LW |
1667 | #ifdef OVERLOAD |
1668 | SV* tmpstr; | |
1669 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string))) | |
1670 | return SvPV(tmpstr,*lp); | |
1671 | #endif /* OVERLOAD */ | |
ed6116ce LW |
1672 | sv = (SV*)SvRV(sv); |
1673 | if (!sv) | |
1674 | s = "NULLREF"; | |
1675 | else { | |
1676 | switch (SvTYPE(sv)) { | |
1677 | case SVt_NULL: | |
1678 | case SVt_IV: | |
1679 | case SVt_NV: | |
1680 | case SVt_RV: | |
1681 | case SVt_PV: | |
1682 | case SVt_PVIV: | |
1683 | case SVt_PVNV: | |
1684 | case SVt_PVBM: | |
1685 | case SVt_PVMG: s = "SCALAR"; break; | |
1686 | case SVt_PVLV: s = "LVALUE"; break; | |
1687 | case SVt_PVAV: s = "ARRAY"; break; | |
1688 | case SVt_PVHV: s = "HASH"; break; | |
1689 | case SVt_PVCV: s = "CODE"; break; | |
1690 | case SVt_PVGV: s = "GLOB"; break; | |
cdaebead | 1691 | case SVt_PVFM: s = "FORMLINE"; break; |
36477c24 | 1692 | case SVt_PVIO: s = "IO"; break; |
ed6116ce LW |
1693 | default: s = "UNKNOWN"; break; |
1694 | } | |
46fc3d4c | 1695 | tsv = NEWSV(0,0); |
ed6116ce | 1696 | if (SvOBJECT(sv)) |
46fc3d4c | 1697 | sv_setpvf(tsv, "%s=%s", HvNAME(SvSTASH(sv)), s); |
ed6116ce | 1698 | else |
46fc3d4c | 1699 | sv_setpv(tsv, s); |
1700 | sv_catpvf(tsv, "(0x%lx)", (unsigned long)sv); | |
a0d0e21e | 1701 | goto tokensaveref; |
463ee0b2 | 1702 | } |
ed6116ce LW |
1703 | *lp = strlen(s); |
1704 | return s; | |
79072805 | 1705 | } |
ed6116ce | 1706 | if (SvREADONLY(sv)) { |
748a9306 | 1707 | if (SvNOKp(sv)) { |
36477c24 | 1708 | SET_NUMERIC_STANDARD(); |
96827780 | 1709 | Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf); |
46fc3d4c | 1710 | tsv = Nullsv; |
a0d0e21e | 1711 | goto tokensave; |
ed6116ce | 1712 | } |
8bb9dbe4 | 1713 | if (SvIOKp(sv)) { |
96827780 | 1714 | (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv)); |
46fc3d4c | 1715 | tsv = Nullsv; |
8bb9dbe4 LW |
1716 | goto tokensave; |
1717 | } | |
ed6116ce | 1718 | if (dowarn) |
8990e307 | 1719 | warn(warn_uninit); |
ed6116ce LW |
1720 | *lp = 0; |
1721 | return ""; | |
79072805 | 1722 | } |
79072805 | 1723 | } |
c6f8c383 | 1724 | (void)SvUPGRADE(sv, SVt_PV); |
748a9306 | 1725 | if (SvNOKp(sv)) { |
79072805 LW |
1726 | if (SvTYPE(sv) < SVt_PVNV) |
1727 | sv_upgrade(sv, SVt_PVNV); | |
1728 | SvGROW(sv, 28); | |
463ee0b2 | 1729 | s = SvPVX(sv); |
79072805 | 1730 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
79072805 | 1731 | #ifdef apollo |
463ee0b2 | 1732 | if (SvNVX(sv) == 0.0) |
79072805 LW |
1733 | (void)strcpy(s,"0"); |
1734 | else | |
1735 | #endif /*apollo*/ | |
bbce6d69 | 1736 | { |
36477c24 | 1737 | SET_NUMERIC_STANDARD(); |
a0d0e21e | 1738 | Gconvert(SvNVX(sv), DBL_DIG, 0, s); |
bbce6d69 | 1739 | } |
79072805 | 1740 | errno = olderrno; |
a0d0e21e LW |
1741 | #ifdef FIXNEGATIVEZERO |
1742 | if (*s == '-' && s[1] == '0' && !s[2]) | |
1743 | strcpy(s,"0"); | |
1744 | #endif | |
79072805 LW |
1745 | while (*s) s++; |
1746 | #ifdef hcx | |
1747 | if (s[-1] == '.') | |
46fc3d4c | 1748 | *--s = '\0'; |
79072805 LW |
1749 | #endif |
1750 | } | |
748a9306 | 1751 | else if (SvIOKp(sv)) { |
64f14228 | 1752 | U32 oldIOK = SvIOK(sv); |
79072805 LW |
1753 | if (SvTYPE(sv) < SVt_PVIV) |
1754 | sv_upgrade(sv, SVt_PVIV); | |
79072805 | 1755 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
84902520 | 1756 | sv_setpviv(sv, SvIVX(sv)); |
79072805 | 1757 | errno = olderrno; |
46fc3d4c | 1758 | s = SvEND(sv); |
64f14228 GA |
1759 | if (oldIOK) |
1760 | SvIOK_on(sv); | |
1761 | else | |
1762 | SvIOKp_on(sv); | |
79072805 LW |
1763 | } |
1764 | else { | |
11343788 | 1765 | dTHR; |
91bba347 | 1766 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1767 | warn(warn_uninit); |
a0d0e21e LW |
1768 | *lp = 0; |
1769 | return ""; | |
79072805 | 1770 | } |
463ee0b2 LW |
1771 | *lp = s - SvPVX(sv); |
1772 | SvCUR_set(sv, *lp); | |
79072805 | 1773 | SvPOK_on(sv); |
760ac839 | 1774 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv))); |
463ee0b2 | 1775 | return SvPVX(sv); |
a0d0e21e LW |
1776 | |
1777 | tokensave: | |
1778 | if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */ | |
1779 | /* Sneaky stuff here */ | |
1780 | ||
1781 | tokensaveref: | |
46fc3d4c | 1782 | if (!tsv) |
96827780 | 1783 | tsv = newSVpv(tmpbuf, 0); |
46fc3d4c | 1784 | sv_2mortal(tsv); |
1785 | *lp = SvCUR(tsv); | |
1786 | return SvPVX(tsv); | |
a0d0e21e LW |
1787 | } |
1788 | else { | |
1789 | STRLEN len; | |
46fc3d4c | 1790 | char *t; |
1791 | ||
1792 | if (tsv) { | |
1793 | sv_2mortal(tsv); | |
1794 | t = SvPVX(tsv); | |
1795 | len = SvCUR(tsv); | |
1796 | } | |
1797 | else { | |
96827780 MB |
1798 | t = tmpbuf; |
1799 | len = strlen(tmpbuf); | |
46fc3d4c | 1800 | } |
a0d0e21e | 1801 | #ifdef FIXNEGATIVEZERO |
46fc3d4c | 1802 | if (len == 2 && t[0] == '-' && t[1] == '0') { |
1803 | t = "0"; | |
1804 | len = 1; | |
1805 | } | |
a0d0e21e LW |
1806 | #endif |
1807 | (void)SvUPGRADE(sv, SVt_PV); | |
46fc3d4c | 1808 | *lp = len; |
a0d0e21e LW |
1809 | s = SvGROW(sv, len + 1); |
1810 | SvCUR_set(sv, len); | |
46fc3d4c | 1811 | (void)strcpy(s, t); |
6bf554b4 | 1812 | SvPOKp_on(sv); |
a0d0e21e LW |
1813 | return s; |
1814 | } | |
463ee0b2 LW |
1815 | } |
1816 | ||
1817 | /* This function is only called on magical items */ | |
1818 | bool | |
8ac85365 | 1819 | sv_2bool(register SV *sv) |
463ee0b2 | 1820 | { |
8990e307 | 1821 | if (SvGMAGICAL(sv)) |
463ee0b2 LW |
1822 | mg_get(sv); |
1823 | ||
a0d0e21e LW |
1824 | if (!SvOK(sv)) |
1825 | return 0; | |
1826 | if (SvROK(sv)) { | |
1827 | #ifdef OVERLOAD | |
1828 | { | |
11343788 | 1829 | dTHR; |
a0d0e21e LW |
1830 | SV* tmpsv; |
1831 | if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_))) | |
1832 | return SvTRUE(tmpsv); | |
1833 | } | |
1834 | #endif /* OVERLOAD */ | |
1835 | return SvRV(sv) != 0; | |
1836 | } | |
463ee0b2 | 1837 | if (SvPOKp(sv)) { |
11343788 MB |
1838 | register XPV* Xpvtmp; |
1839 | if ((Xpvtmp = (XPV*)SvANY(sv)) && | |
1840 | (*Xpvtmp->xpv_pv > '0' || | |
1841 | Xpvtmp->xpv_cur > 1 || | |
1842 | (Xpvtmp->xpv_cur && *Xpvtmp->xpv_pv != '0'))) | |
463ee0b2 LW |
1843 | return 1; |
1844 | else | |
1845 | return 0; | |
1846 | } | |
1847 | else { | |
1848 | if (SvIOKp(sv)) | |
1849 | return SvIVX(sv) != 0; | |
1850 | else { | |
1851 | if (SvNOKp(sv)) | |
1852 | return SvNVX(sv) != 0.0; | |
1853 | else | |
1854 | return FALSE; | |
1855 | } | |
1856 | } | |
79072805 LW |
1857 | } |
1858 | ||
1859 | /* Note: sv_setsv() should not be called with a source string that needs | |
463ee0b2 | 1860 | * to be reused, since it may destroy the source string if it is marked |
79072805 LW |
1861 | * as temporary. |
1862 | */ | |
1863 | ||
1864 | void | |
8ac85365 | 1865 | sv_setsv(SV *dstr, register SV *sstr) |
79072805 | 1866 | { |
11343788 | 1867 | dTHR; |
8990e307 LW |
1868 | register U32 sflags; |
1869 | register int dtype; | |
1870 | register int stype; | |
463ee0b2 | 1871 | |
79072805 LW |
1872 | if (sstr == dstr) |
1873 | return; | |
2213622d | 1874 | SV_CHECK_THINKFIRST(dstr); |
79072805 LW |
1875 | if (!sstr) |
1876 | sstr = &sv_undef; | |
8990e307 LW |
1877 | stype = SvTYPE(sstr); |
1878 | dtype = SvTYPE(dstr); | |
79072805 | 1879 | |
8e07c86e AD |
1880 | if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) { |
1881 | sv_unglob(dstr); /* so fake GLOB won't perpetuate */ | |
4633a7c4 LW |
1882 | sv_setpvn(dstr, "", 0); |
1883 | (void)SvPOK_only(dstr); | |
8e07c86e AD |
1884 | dtype = SvTYPE(dstr); |
1885 | } | |
1886 | ||
a0d0e21e LW |
1887 | #ifdef OVERLOAD |
1888 | SvAMAGIC_off(dstr); | |
1889 | #endif /* OVERLOAD */ | |
463ee0b2 | 1890 | /* There's a lot of redundancy below but we're going for speed here */ |
79072805 | 1891 | |
8990e307 | 1892 | switch (stype) { |
79072805 | 1893 | case SVt_NULL: |
a0d0e21e | 1894 | (void)SvOK_off(dstr); |
79072805 | 1895 | return; |
463ee0b2 | 1896 | case SVt_IV: |
ff68c719 | 1897 | if (dtype != SVt_IV && dtype < SVt_PVIV) { |
8990e307 LW |
1898 | if (dtype < SVt_IV) |
1899 | sv_upgrade(dstr, SVt_IV); | |
8990e307 LW |
1900 | else if (dtype == SVt_NV) |
1901 | sv_upgrade(dstr, SVt_PVNV); | |
ff68c719 | 1902 | else |
a0d0e21e | 1903 | sv_upgrade(dstr, SVt_PVIV); |
8990e307 | 1904 | } |
463ee0b2 LW |
1905 | break; |
1906 | case SVt_NV: | |
ff68c719 | 1907 | if (dtype != SVt_NV && dtype < SVt_PVNV) { |
8990e307 LW |
1908 | if (dtype < SVt_NV) |
1909 | sv_upgrade(dstr, SVt_NV); | |
ff68c719 | 1910 | else |
a0d0e21e | 1911 | sv_upgrade(dstr, SVt_PVNV); |
8990e307 | 1912 | } |
463ee0b2 | 1913 | break; |
ed6116ce | 1914 | case SVt_RV: |
8990e307 | 1915 | if (dtype < SVt_RV) |
ed6116ce | 1916 | sv_upgrade(dstr, SVt_RV); |
c07a80fd | 1917 | else if (dtype == SVt_PVGV && |
1918 | SvTYPE(SvRV(sstr)) == SVt_PVGV) { | |
1919 | sstr = SvRV(sstr); | |
a5f75d66 AD |
1920 | if (sstr == dstr) { |
1921 | if (curcop->cop_stash != GvSTASH(dstr)) | |
1922 | GvIMPORTED_on(dstr); | |
1923 | GvMULTI_on(dstr); | |
1924 | return; | |
1925 | } | |
c07a80fd | 1926 | goto glob_assign; |
1927 | } | |
ed6116ce | 1928 | break; |
463ee0b2 | 1929 | case SVt_PV: |
fc36a67e | 1930 | case SVt_PVFM: |
8990e307 | 1931 | if (dtype < SVt_PV) |
463ee0b2 | 1932 | sv_upgrade(dstr, SVt_PV); |
463ee0b2 LW |
1933 | break; |
1934 | case SVt_PVIV: | |
8990e307 | 1935 | if (dtype < SVt_PVIV) |
463ee0b2 | 1936 | sv_upgrade(dstr, SVt_PVIV); |
463ee0b2 LW |
1937 | break; |
1938 | case SVt_PVNV: | |
8990e307 | 1939 | if (dtype < SVt_PVNV) |
463ee0b2 | 1940 | sv_upgrade(dstr, SVt_PVNV); |
463ee0b2 | 1941 | break; |
4633a7c4 LW |
1942 | case SVt_PVAV: |
1943 | case SVt_PVHV: | |
1944 | case SVt_PVCV: | |
4633a7c4 LW |
1945 | case SVt_PVIO: |
1946 | if (op) | |
1947 | croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0), | |
1948 | op_name[op->op_type]); | |
1949 | else | |
1950 | croak("Bizarre copy of %s", sv_reftype(sstr, 0)); | |
1951 | break; | |
1952 | ||
79072805 | 1953 | case SVt_PVGV: |
8990e307 | 1954 | if (dtype <= SVt_PVGV) { |
c07a80fd | 1955 | glob_assign: |
a5f75d66 | 1956 | if (dtype != SVt_PVGV) { |
a0d0e21e LW |
1957 | char *name = GvNAME(sstr); |
1958 | STRLEN len = GvNAMELEN(sstr); | |
463ee0b2 | 1959 | sv_upgrade(dstr, SVt_PVGV); |
a0d0e21e | 1960 | sv_magic(dstr, dstr, '*', name, len); |
85aff577 | 1961 | GvSTASH(dstr) = (HV*)SvREFCNT_inc(GvSTASH(sstr)); |
a0d0e21e LW |
1962 | GvNAME(dstr) = savepvn(name, len); |
1963 | GvNAMELEN(dstr) = len; | |
1964 | SvFAKE_on(dstr); /* can coerce to non-glob */ | |
1965 | } | |
7bac28a0 | 1966 | /* ahem, death to those who redefine active sort subs */ |
1967 | else if (curstack == sortstack | |
1968 | && GvCV(dstr) && sortcop == CvSTART(GvCV(dstr))) | |
1969 | croak("Can't redefine active sort subroutine %s", | |
1970 | GvNAME(dstr)); | |
a0d0e21e | 1971 | (void)SvOK_off(dstr); |
a5f75d66 | 1972 | GvINTRO_off(dstr); /* one-shot flag */ |
1edc1566 | 1973 | gp_free((GV*)dstr); |
79072805 | 1974 | GvGP(dstr) = gp_ref(GvGP(sstr)); |
8990e307 | 1975 | SvTAINT(dstr); |
a5f75d66 AD |
1976 | if (curcop->cop_stash != GvSTASH(dstr)) |
1977 | GvIMPORTED_on(dstr); | |
1978 | GvMULTI_on(dstr); | |
79072805 LW |
1979 | return; |
1980 | } | |
1981 | /* FALL THROUGH */ | |
1982 | ||
1983 | default: | |
973f89ab CS |
1984 | if (SvGMAGICAL(sstr)) { |
1985 | mg_get(sstr); | |
1986 | if (SvTYPE(sstr) != stype) { | |
1987 | stype = SvTYPE(sstr); | |
1988 | if (stype == SVt_PVGV && dtype <= SVt_PVGV) | |
1989 | goto glob_assign; | |
1990 | } | |
1991 | } | |
ded42b9f CS |
1992 | if (stype == SVt_PVLV) |
1993 | SvUPGRADE(dstr, SVt_PVNV); | |
1994 | else | |
1995 | SvUPGRADE(dstr, stype); | |
79072805 LW |
1996 | } |
1997 | ||
8990e307 LW |
1998 | sflags = SvFLAGS(sstr); |
1999 | ||
2000 | if (sflags & SVf_ROK) { | |
2001 | if (dtype >= SVt_PV) { | |
2002 | if (dtype == SVt_PVGV) { | |
11343788 | 2003 | dTHR; |
8990e307 LW |
2004 | SV *sref = SvREFCNT_inc(SvRV(sstr)); |
2005 | SV *dref = 0; | |
a5f75d66 | 2006 | int intro = GvINTRO(dstr); |
a0d0e21e LW |
2007 | |
2008 | if (intro) { | |
2009 | GP *gp; | |
2010 | GvGP(dstr)->gp_refcnt--; | |
a5f75d66 | 2011 | GvINTRO_off(dstr); /* one-shot flag */ |
a0d0e21e | 2012 | Newz(602,gp, 1, GP); |
44a8e56a | 2013 | GvGP(dstr) = gp_ref(gp); |
a0d0e21e LW |
2014 | GvSV(dstr) = NEWSV(72,0); |
2015 | GvLINE(dstr) = curcop->cop_line; | |
1edc1566 | 2016 | GvEGV(dstr) = (GV*)dstr; |
a0d0e21e | 2017 | } |
a5f75d66 | 2018 | GvMULTI_on(dstr); |
8990e307 LW |
2019 | switch (SvTYPE(sref)) { |
2020 | case SVt_PVAV: | |
a0d0e21e LW |
2021 | if (intro) |
2022 | SAVESPTR(GvAV(dstr)); | |
2023 | else | |
2024 | dref = (SV*)GvAV(dstr); | |
8990e307 | 2025 | GvAV(dstr) = (AV*)sref; |
a5f75d66 AD |
2026 | if (curcop->cop_stash != GvSTASH(dstr)) |
2027 | GvIMPORTED_AV_on(dstr); | |
8990e307 LW |
2028 | break; |
2029 | case SVt_PVHV: | |
a0d0e21e LW |
2030 | if (intro) |
2031 | SAVESPTR(GvHV(dstr)); | |
2032 | else | |
2033 | dref = (SV*)GvHV(dstr); | |
8990e307 | 2034 | GvHV(dstr) = (HV*)sref; |
a5f75d66 AD |
2035 | if (curcop->cop_stash != GvSTASH(dstr)) |
2036 | GvIMPORTED_HV_on(dstr); | |
8990e307 LW |
2037 | break; |
2038 | case SVt_PVCV: | |
8ebc5c01 | 2039 | if (intro) { |
2040 | if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) { | |
2041 | SvREFCNT_dec(GvCV(dstr)); | |
2042 | GvCV(dstr) = Nullcv; | |
68dc0745 | 2043 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
2044 | sub_generation++; | |
8ebc5c01 | 2045 | } |
a0d0e21e | 2046 | SAVESPTR(GvCV(dstr)); |
8ebc5c01 | 2047 | } |
68dc0745 | 2048 | else |
2049 | dref = (SV*)GvCV(dstr); | |
2050 | if (GvCV(dstr) != (CV*)sref) { | |
748a9306 | 2051 | CV* cv = GvCV(dstr); |
4633a7c4 | 2052 | if (cv) { |
68dc0745 | 2053 | if (!GvCVGEN((GV*)dstr) && |
2054 | (CvROOT(cv) || CvXSUB(cv))) | |
2055 | { | |
7bac28a0 | 2056 | /* ahem, death to those who redefine |
2057 | * active sort subs */ | |
2058 | if (curstack == sortstack && | |
2059 | sortcop == CvSTART(cv)) | |
2060 | croak( | |
2061 | "Can't redefine active sort subroutine %s", | |
2062 | GvENAME((GV*)dstr)); | |
9607fc9c | 2063 | if (cv_const_sv(cv)) |
2064 | warn("Constant subroutine %s redefined", | |
2065 | GvENAME((GV*)dstr)); | |
2066 | else if (dowarn) | |
2067 | warn("Subroutine %s redefined", | |
2068 | GvENAME((GV*)dstr)); | |
2069 | } | |
3fe9a6f1 | 2070 | cv_ckproto(cv, (GV*)dstr, |
2071 | SvPOK(sref) ? SvPVX(sref) : Nullch); | |
4633a7c4 | 2072 | } |
a5f75d66 | 2073 | GvCV(dstr) = (CV*)sref; |
7a4c00b4 | 2074 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
a5f75d66 | 2075 | GvASSUMECV_on(dstr); |
8ebc5c01 | 2076 | sub_generation++; |
a5f75d66 AD |
2077 | } |
2078 | if (curcop->cop_stash != GvSTASH(dstr)) | |
2079 | GvIMPORTED_CV_on(dstr); | |
8990e307 | 2080 | break; |
91bba347 LW |
2081 | case SVt_PVIO: |
2082 | if (intro) | |
2083 | SAVESPTR(GvIOp(dstr)); | |
2084 | else | |
2085 | dref = (SV*)GvIOp(dstr); | |
2086 | GvIOp(dstr) = (IO*)sref; | |
2087 | break; | |
8990e307 | 2088 | default: |
a0d0e21e LW |
2089 | if (intro) |
2090 | SAVESPTR(GvSV(dstr)); | |
2091 | else | |
2092 | dref = (SV*)GvSV(dstr); | |
8990e307 | 2093 | GvSV(dstr) = sref; |
a5f75d66 AD |
2094 | if (curcop->cop_stash != GvSTASH(dstr)) |
2095 | GvIMPORTED_SV_on(dstr); | |
8990e307 LW |
2096 | break; |
2097 | } | |
2098 | if (dref) | |
2099 | SvREFCNT_dec(dref); | |
a0d0e21e LW |
2100 | if (intro) |
2101 | SAVEFREESV(sref); | |
8990e307 LW |
2102 | SvTAINT(dstr); |
2103 | return; | |
2104 | } | |
a0d0e21e | 2105 | if (SvPVX(dstr)) { |
760ac839 | 2106 | (void)SvOOK_off(dstr); /* backoff */ |
8990e307 | 2107 | Safefree(SvPVX(dstr)); |
a0d0e21e LW |
2108 | SvLEN(dstr)=SvCUR(dstr)=0; |
2109 | } | |
8990e307 | 2110 | } |
a0d0e21e | 2111 | (void)SvOK_off(dstr); |
8990e307 | 2112 | SvRV(dstr) = SvREFCNT_inc(SvRV(sstr)); |
ed6116ce | 2113 | SvROK_on(dstr); |
8990e307 | 2114 | if (sflags & SVp_NOK) { |
ed6116ce LW |
2115 | SvNOK_on(dstr); |
2116 | SvNVX(dstr) = SvNVX(sstr); | |
2117 | } | |
8990e307 | 2118 | if (sflags & SVp_IOK) { |
a0d0e21e | 2119 | (void)SvIOK_on(dstr); |
ed6116ce LW |
2120 | SvIVX(dstr) = SvIVX(sstr); |
2121 | } | |
a0d0e21e LW |
2122 | #ifdef OVERLOAD |
2123 | if (SvAMAGIC(sstr)) { | |
2124 | SvAMAGIC_on(dstr); | |
2125 | } | |
2126 | #endif /* OVERLOAD */ | |
ed6116ce | 2127 | } |
8990e307 | 2128 | else if (sflags & SVp_POK) { |
79072805 LW |
2129 | |
2130 | /* | |
2131 | * Check to see if we can just swipe the string. If so, it's a | |
2132 | * possible small lose on short strings, but a big win on long ones. | |
463ee0b2 LW |
2133 | * It might even be a win on short strings if SvPVX(dstr) |
2134 | * has to be allocated and SvPVX(sstr) has to be freed. | |
79072805 LW |
2135 | */ |
2136 | ||
ff68c719 | 2137 | if (SvTEMP(sstr) && /* slated for free anyway? */ |
01b73108 | 2138 | SvREFCNT(sstr) == 1 && /* and no other references to it? */ |
a5f75d66 AD |
2139 | !(sflags & SVf_OOK)) /* and not involved in OOK hack? */ |
2140 | { | |
adbc6bb1 | 2141 | if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */ |
a5f75d66 AD |
2142 | if (SvOOK(dstr)) { |
2143 | SvFLAGS(dstr) &= ~SVf_OOK; | |
2144 | Safefree(SvPVX(dstr) - SvIVX(dstr)); | |
2145 | } | |
2146 | else | |
2147 | Safefree(SvPVX(dstr)); | |
79072805 | 2148 | } |
a5f75d66 | 2149 | (void)SvPOK_only(dstr); |
463ee0b2 | 2150 | SvPV_set(dstr, SvPVX(sstr)); |
79072805 LW |
2151 | SvLEN_set(dstr, SvLEN(sstr)); |
2152 | SvCUR_set(dstr, SvCUR(sstr)); | |
79072805 | 2153 | SvTEMP_off(dstr); |
a5f75d66 | 2154 | (void)SvOK_off(sstr); |
79072805 LW |
2155 | SvPV_set(sstr, Nullch); |
2156 | SvLEN_set(sstr, 0); | |
a5f75d66 AD |
2157 | SvCUR_set(sstr, 0); |
2158 | SvTEMP_off(sstr); | |
79072805 LW |
2159 | } |
2160 | else { /* have to copy actual string */ | |
8990e307 LW |
2161 | STRLEN len = SvCUR(sstr); |
2162 | ||
2163 | SvGROW(dstr, len + 1); /* inlined from sv_setpvn */ | |
2164 | Move(SvPVX(sstr),SvPVX(dstr),len,char); | |
2165 | SvCUR_set(dstr, len); | |
2166 | *SvEND(dstr) = '\0'; | |
a0d0e21e | 2167 | (void)SvPOK_only(dstr); |
79072805 LW |
2168 | } |
2169 | /*SUPPRESS 560*/ | |
8990e307 | 2170 | if (sflags & SVp_NOK) { |
79072805 | 2171 | SvNOK_on(dstr); |
463ee0b2 | 2172 | SvNVX(dstr) = SvNVX(sstr); |
79072805 | 2173 | } |
8990e307 | 2174 | if (sflags & SVp_IOK) { |
a0d0e21e | 2175 | (void)SvIOK_on(dstr); |
463ee0b2 | 2176 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2177 | } |
2178 | } | |
8990e307 | 2179 | else if (sflags & SVp_NOK) { |
463ee0b2 | 2180 | SvNVX(dstr) = SvNVX(sstr); |
a0d0e21e | 2181 | (void)SvNOK_only(dstr); |
79072805 | 2182 | if (SvIOK(sstr)) { |
a0d0e21e | 2183 | (void)SvIOK_on(dstr); |
463ee0b2 | 2184 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2185 | } |
2186 | } | |
8990e307 | 2187 | else if (sflags & SVp_IOK) { |
a0d0e21e | 2188 | (void)SvIOK_only(dstr); |
463ee0b2 | 2189 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2190 | } |
2191 | else { | |
a0d0e21e LW |
2192 | (void)SvOK_off(dstr); |
2193 | } | |
463ee0b2 | 2194 | SvTAINT(dstr); |
79072805 LW |
2195 | } |
2196 | ||
2197 | void | |
ef50df4b GS |
2198 | sv_setsv_mg(SV *dstr, register SV *sstr) |
2199 | { | |
2200 | sv_setsv(dstr,sstr); | |
2201 | SvSETMAGIC(dstr); | |
2202 | } | |
2203 | ||
2204 | void | |
8ac85365 | 2205 | sv_setpvn(register SV *sv, register const char *ptr, register STRLEN len) |
79072805 | 2206 | { |
c6f8c383 | 2207 | register char *dptr; |
4561caa4 CS |
2208 | assert(len >= 0); /* STRLEN is probably unsigned, so this may |
2209 | elicit a warning, but it won't hurt. */ | |
2213622d | 2210 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2211 | if (!ptr) { |
a0d0e21e | 2212 | (void)SvOK_off(sv); |
463ee0b2 LW |
2213 | return; |
2214 | } | |
c07a80fd | 2215 | if (SvTYPE(sv) >= SVt_PV) { |
2216 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2217 | sv_unglob(sv); | |
2218 | } | |
c6f8c383 GA |
2219 | else |
2220 | sv_upgrade(sv, SVt_PV); | |
2221 | ||
79072805 | 2222 | SvGROW(sv, len + 1); |
c6f8c383 GA |
2223 | dptr = SvPVX(sv); |
2224 | Move(ptr,dptr,len,char); | |
2225 | dptr[len] = '\0'; | |
79072805 | 2226 | SvCUR_set(sv, len); |
a0d0e21e | 2227 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2228 | SvTAINT(sv); |
79072805 LW |
2229 | } |
2230 | ||
2231 | void | |
ef50df4b GS |
2232 | sv_setpvn_mg(register SV *sv, register const char *ptr, register STRLEN len) |
2233 | { | |
2234 | sv_setpvn(sv,ptr,len); | |
2235 | SvSETMAGIC(sv); | |
2236 | } | |
2237 | ||
2238 | void | |
8ac85365 | 2239 | sv_setpv(register SV *sv, register const char *ptr) |
79072805 LW |
2240 | { |
2241 | register STRLEN len; | |
2242 | ||
2213622d | 2243 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2244 | if (!ptr) { |
a0d0e21e | 2245 | (void)SvOK_off(sv); |
463ee0b2 LW |
2246 | return; |
2247 | } | |
79072805 | 2248 | len = strlen(ptr); |
c07a80fd | 2249 | if (SvTYPE(sv) >= SVt_PV) { |
2250 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2251 | sv_unglob(sv); | |
2252 | } | |
c6f8c383 GA |
2253 | else |
2254 | sv_upgrade(sv, SVt_PV); | |
2255 | ||
79072805 | 2256 | SvGROW(sv, len + 1); |
463ee0b2 | 2257 | Move(ptr,SvPVX(sv),len+1,char); |
79072805 | 2258 | SvCUR_set(sv, len); |
a0d0e21e | 2259 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 LW |
2260 | SvTAINT(sv); |
2261 | } | |
2262 | ||
2263 | void | |
ef50df4b GS |
2264 | sv_setpv_mg(register SV *sv, register const char *ptr) |
2265 | { | |
2266 | sv_setpv(sv,ptr); | |
2267 | SvSETMAGIC(sv); | |
2268 | } | |
2269 | ||
2270 | void | |
8ac85365 | 2271 | sv_usepvn(register SV *sv, register char *ptr, register STRLEN len) |
463ee0b2 | 2272 | { |
2213622d | 2273 | SV_CHECK_THINKFIRST(sv); |
c6f8c383 | 2274 | (void)SvUPGRADE(sv, SVt_PV); |
463ee0b2 | 2275 | if (!ptr) { |
a0d0e21e | 2276 | (void)SvOK_off(sv); |
463ee0b2 LW |
2277 | return; |
2278 | } | |
2279 | if (SvPVX(sv)) | |
2280 | Safefree(SvPVX(sv)); | |
2281 | Renew(ptr, len+1, char); | |
2282 | SvPVX(sv) = ptr; | |
2283 | SvCUR_set(sv, len); | |
2284 | SvLEN_set(sv, len+1); | |
2285 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2286 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2287 | SvTAINT(sv); |
79072805 LW |
2288 | } |
2289 | ||
ef50df4b GS |
2290 | void |
2291 | sv_usepvn_mg(register SV *sv, register char *ptr, register STRLEN len) | |
2292 | { | |
51c1089b | 2293 | sv_usepvn(sv,ptr,len); |
ef50df4b GS |
2294 | SvSETMAGIC(sv); |
2295 | } | |
2296 | ||
0f15f207 | 2297 | static void |
8ac85365 | 2298 | sv_check_thinkfirst(register SV *sv) |
0f15f207 | 2299 | { |
2213622d GA |
2300 | if (SvREADONLY(sv)) { |
2301 | dTHR; | |
2302 | if (curcop != &compiling) | |
2303 | croak(no_modify); | |
0f15f207 | 2304 | } |
2213622d GA |
2305 | if (SvROK(sv)) |
2306 | sv_unref(sv); | |
0f15f207 MB |
2307 | } |
2308 | ||
79072805 | 2309 | void |
8ac85365 NIS |
2310 | sv_chop(register SV *sv, register char *ptr) /* like set but assuming ptr is in sv */ |
2311 | ||
2312 | ||
79072805 LW |
2313 | { |
2314 | register STRLEN delta; | |
2315 | ||
a0d0e21e | 2316 | if (!ptr || !SvPOKp(sv)) |
79072805 | 2317 | return; |
2213622d | 2318 | SV_CHECK_THINKFIRST(sv); |
79072805 LW |
2319 | if (SvTYPE(sv) < SVt_PVIV) |
2320 | sv_upgrade(sv,SVt_PVIV); | |
2321 | ||
2322 | if (!SvOOK(sv)) { | |
463ee0b2 | 2323 | SvIVX(sv) = 0; |
79072805 LW |
2324 | SvFLAGS(sv) |= SVf_OOK; |
2325 | } | |
8990e307 | 2326 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK); |
463ee0b2 | 2327 | delta = ptr - SvPVX(sv); |
79072805 LW |
2328 | SvLEN(sv) -= delta; |
2329 | SvCUR(sv) -= delta; | |
463ee0b2 LW |
2330 | SvPVX(sv) += delta; |
2331 | SvIVX(sv) += delta; | |
79072805 LW |
2332 | } |
2333 | ||
2334 | void | |
8ac85365 | 2335 | sv_catpvn(register SV *sv, register char *ptr, register STRLEN len) |
79072805 | 2336 | { |
463ee0b2 | 2337 | STRLEN tlen; |
748a9306 | 2338 | char *junk; |
a0d0e21e | 2339 | |
748a9306 | 2340 | junk = SvPV_force(sv, tlen); |
463ee0b2 | 2341 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2342 | if (ptr == junk) |
2343 | ptr = SvPVX(sv); | |
463ee0b2 | 2344 | Move(ptr,SvPVX(sv)+tlen,len,char); |
79072805 LW |
2345 | SvCUR(sv) += len; |
2346 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2347 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2348 | SvTAINT(sv); |
79072805 LW |
2349 | } |
2350 | ||
2351 | void | |
ef50df4b GS |
2352 | sv_catpvn_mg(register SV *sv, register char *ptr, register STRLEN len) |
2353 | { | |
2354 | sv_catpvn(sv,ptr,len); | |
2355 | SvSETMAGIC(sv); | |
2356 | } | |
2357 | ||
2358 | void | |
8ac85365 | 2359 | sv_catsv(SV *dstr, register SV *sstr) |
79072805 LW |
2360 | { |
2361 | char *s; | |
463ee0b2 | 2362 | STRLEN len; |
79072805 LW |
2363 | if (!sstr) |
2364 | return; | |
463ee0b2 LW |
2365 | if (s = SvPV(sstr, len)) |
2366 | sv_catpvn(dstr,s,len); | |
79072805 LW |
2367 | } |
2368 | ||
2369 | void | |
ef50df4b GS |
2370 | sv_catsv_mg(SV *dstr, register SV *sstr) |
2371 | { | |
2372 | sv_catsv(dstr,sstr); | |
2373 | SvSETMAGIC(dstr); | |
2374 | } | |
2375 | ||
2376 | void | |
8ac85365 | 2377 | sv_catpv(register SV *sv, register char *ptr) |
79072805 LW |
2378 | { |
2379 | register STRLEN len; | |
463ee0b2 | 2380 | STRLEN tlen; |
748a9306 | 2381 | char *junk; |
79072805 | 2382 | |
79072805 LW |
2383 | if (!ptr) |
2384 | return; | |
748a9306 | 2385 | junk = SvPV_force(sv, tlen); |
79072805 | 2386 | len = strlen(ptr); |
463ee0b2 | 2387 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2388 | if (ptr == junk) |
2389 | ptr = SvPVX(sv); | |
463ee0b2 | 2390 | Move(ptr,SvPVX(sv)+tlen,len+1,char); |
79072805 | 2391 | SvCUR(sv) += len; |
a0d0e21e | 2392 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2393 | SvTAINT(sv); |
79072805 LW |
2394 | } |
2395 | ||
ef50df4b GS |
2396 | void |
2397 | sv_catpv_mg(register SV *sv, register char *ptr) | |
2398 | { | |
51c1089b | 2399 | sv_catpv(sv,ptr); |
ef50df4b GS |
2400 | SvSETMAGIC(sv); |
2401 | } | |
2402 | ||
79072805 LW |
2403 | SV * |
2404 | #ifdef LEAKTEST | |
8c52afec | 2405 | newSV(I32 x, STRLEN len) |
79072805 | 2406 | #else |
8ac85365 | 2407 | newSV(STRLEN len) |
79072805 | 2408 | #endif |
79072805 LW |
2409 | { |
2410 | register SV *sv; | |
2411 | ||
4561caa4 | 2412 | new_SV(sv); |
8990e307 LW |
2413 | SvANY(sv) = 0; |
2414 | SvREFCNT(sv) = 1; | |
2415 | SvFLAGS(sv) = 0; | |
79072805 LW |
2416 | if (len) { |
2417 | sv_upgrade(sv, SVt_PV); | |
2418 | SvGROW(sv, len + 1); | |
2419 | } | |
2420 | return sv; | |
2421 | } | |
2422 | ||
1edc1566 | 2423 | /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */ |
2424 | ||
79072805 | 2425 | void |
8ac85365 | 2426 | sv_magic(register SV *sv, SV *obj, int how, char *name, I32 namlen) |
79072805 LW |
2427 | { |
2428 | MAGIC* mg; | |
2429 | ||
0f15f207 MB |
2430 | if (SvREADONLY(sv)) { |
2431 | dTHR; | |
2432 | if (curcop != &compiling && !strchr("gBf", how)) | |
2433 | croak(no_modify); | |
2434 | } | |
4633a7c4 | 2435 | if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) { |
748a9306 LW |
2436 | if (SvMAGIC(sv) && (mg = mg_find(sv, how))) { |
2437 | if (how == 't') | |
2438 | mg->mg_len |= 1; | |
463ee0b2 | 2439 | return; |
748a9306 | 2440 | } |
463ee0b2 LW |
2441 | } |
2442 | else { | |
c6f8c383 | 2443 | (void)SvUPGRADE(sv, SVt_PVMG); |
463ee0b2 | 2444 | } |
79072805 LW |
2445 | Newz(702,mg, 1, MAGIC); |
2446 | mg->mg_moremagic = SvMAGIC(sv); | |
463ee0b2 | 2447 | |
79072805 | 2448 | SvMAGIC(sv) = mg; |
c277df42 | 2449 | if (!obj || obj == sv || how == '#' || how == 'r') |
8990e307 | 2450 | mg->mg_obj = obj; |
85e6fe83 | 2451 | else { |
11343788 | 2452 | dTHR; |
8990e307 | 2453 | mg->mg_obj = SvREFCNT_inc(obj); |
85e6fe83 LW |
2454 | mg->mg_flags |= MGf_REFCOUNTED; |
2455 | } | |
79072805 | 2456 | mg->mg_type = how; |
463ee0b2 | 2457 | mg->mg_len = namlen; |
1edc1566 | 2458 | if (name) |
2459 | if (namlen >= 0) | |
2460 | mg->mg_ptr = savepvn(name, namlen); | |
c6ee37c5 | 2461 | else if (namlen == HEf_SVKEY) |
1edc1566 | 2462 | mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name); |
2463 | ||
79072805 LW |
2464 | switch (how) { |
2465 | case 0: | |
2466 | mg->mg_virtual = &vtbl_sv; | |
2467 | break; | |
a0d0e21e LW |
2468 | #ifdef OVERLOAD |
2469 | case 'A': | |
2470 | mg->mg_virtual = &vtbl_amagic; | |
2471 | break; | |
2472 | case 'a': | |
2473 | mg->mg_virtual = &vtbl_amagicelem; | |
2474 | break; | |
2475 | case 'c': | |
2476 | mg->mg_virtual = 0; | |
2477 | break; | |
2478 | #endif /* OVERLOAD */ | |
79072805 LW |
2479 | case 'B': |
2480 | mg->mg_virtual = &vtbl_bm; | |
2481 | break; | |
79072805 LW |
2482 | case 'E': |
2483 | mg->mg_virtual = &vtbl_env; | |
2484 | break; | |
55497cff | 2485 | case 'f': |
2486 | mg->mg_virtual = &vtbl_fm; | |
2487 | break; | |
79072805 LW |
2488 | case 'e': |
2489 | mg->mg_virtual = &vtbl_envelem; | |
2490 | break; | |
93a17b20 LW |
2491 | case 'g': |
2492 | mg->mg_virtual = &vtbl_mglob; | |
2493 | break; | |
463ee0b2 LW |
2494 | case 'I': |
2495 | mg->mg_virtual = &vtbl_isa; | |
2496 | break; | |
2497 | case 'i': | |
2498 | mg->mg_virtual = &vtbl_isaelem; | |
2499 | break; | |
16660edb | 2500 | case 'k': |
2501 | mg->mg_virtual = &vtbl_nkeys; | |
2502 | break; | |
79072805 | 2503 | case 'L': |
a0d0e21e | 2504 | SvRMAGICAL_on(sv); |
93a17b20 LW |
2505 | mg->mg_virtual = 0; |
2506 | break; | |
2507 | case 'l': | |
79072805 LW |
2508 | mg->mg_virtual = &vtbl_dbline; |
2509 | break; | |
f93b4edd MB |
2510 | #ifdef USE_THREADS |
2511 | case 'm': | |
2512 | mg->mg_virtual = &vtbl_mutex; | |
2513 | break; | |
2514 | #endif /* USE_THREADS */ | |
36477c24 | 2515 | #ifdef USE_LOCALE_COLLATE |
bbce6d69 | 2516 | case 'o': |
2517 | mg->mg_virtual = &vtbl_collxfrm; | |
2518 | break; | |
36477c24 | 2519 | #endif /* USE_LOCALE_COLLATE */ |
463ee0b2 LW |
2520 | case 'P': |
2521 | mg->mg_virtual = &vtbl_pack; | |
2522 | break; | |
2523 | case 'p': | |
a0d0e21e | 2524 | case 'q': |
463ee0b2 LW |
2525 | mg->mg_virtual = &vtbl_packelem; |
2526 | break; | |
c277df42 IZ |
2527 | case 'r': |
2528 | mg->mg_virtual = &vtbl_regexp; | |
2529 | break; | |
79072805 LW |
2530 | case 'S': |
2531 | mg->mg_virtual = &vtbl_sig; | |
2532 | break; | |
2533 | case 's': | |
2534 | mg->mg_virtual = &vtbl_sigelem; | |
2535 | break; | |
463ee0b2 LW |
2536 | case 't': |
2537 | mg->mg_virtual = &vtbl_taint; | |
748a9306 | 2538 | mg->mg_len = 1; |
463ee0b2 | 2539 | break; |
79072805 LW |
2540 | case 'U': |
2541 | mg->mg_virtual = &vtbl_uvar; | |
2542 | break; | |
2543 | case 'v': | |
2544 | mg->mg_virtual = &vtbl_vec; | |
2545 | break; | |
2546 | case 'x': | |
2547 | mg->mg_virtual = &vtbl_substr; | |
2548 | break; | |
5f05dabc | 2549 | case 'y': |
68dc0745 | 2550 | mg->mg_virtual = &vtbl_defelem; |
5f05dabc | 2551 | break; |
79072805 LW |
2552 | case '*': |
2553 | mg->mg_virtual = &vtbl_glob; | |
2554 | break; | |
2555 | case '#': | |
2556 | mg->mg_virtual = &vtbl_arylen; | |
2557 | break; | |
a0d0e21e LW |
2558 | case '.': |
2559 | mg->mg_virtual = &vtbl_pos; | |
2560 | break; | |
4633a7c4 LW |
2561 | case '~': /* Reserved for use by extensions not perl internals. */ |
2562 | /* Useful for attaching extension internal data to perl vars. */ | |
2563 | /* Note that multiple extensions may clash if magical scalars */ | |
2564 | /* etc holding private data from one are passed to another. */ | |
2565 | SvRMAGICAL_on(sv); | |
a0d0e21e | 2566 | break; |
79072805 | 2567 | default: |
463ee0b2 LW |
2568 | croak("Don't know how to handle magic of type '%c'", how); |
2569 | } | |
8990e307 LW |
2570 | mg_magical(sv); |
2571 | if (SvGMAGICAL(sv)) | |
2572 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
463ee0b2 LW |
2573 | } |
2574 | ||
2575 | int | |
8ac85365 | 2576 | sv_unmagic(SV *sv, int type) |
463ee0b2 LW |
2577 | { |
2578 | MAGIC* mg; | |
2579 | MAGIC** mgp; | |
91bba347 | 2580 | if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv)) |
463ee0b2 LW |
2581 | return 0; |
2582 | mgp = &SvMAGIC(sv); | |
2583 | for (mg = *mgp; mg; mg = *mgp) { | |
2584 | if (mg->mg_type == type) { | |
2585 | MGVTBL* vtbl = mg->mg_virtual; | |
2586 | *mgp = mg->mg_moremagic; | |
2587 | if (vtbl && vtbl->svt_free) | |
2588 | (*vtbl->svt_free)(sv, mg); | |
2589 | if (mg->mg_ptr && mg->mg_type != 'g') | |
1edc1566 | 2590 | if (mg->mg_len >= 0) |
2591 | Safefree(mg->mg_ptr); | |
2592 | else if (mg->mg_len == HEf_SVKEY) | |
2593 | SvREFCNT_dec((SV*)mg->mg_ptr); | |
a0d0e21e LW |
2594 | if (mg->mg_flags & MGf_REFCOUNTED) |
2595 | SvREFCNT_dec(mg->mg_obj); | |
463ee0b2 LW |
2596 | Safefree(mg); |
2597 | } | |
2598 | else | |
2599 | mgp = &mg->mg_moremagic; | |
79072805 | 2600 | } |
91bba347 | 2601 | if (!SvMAGIC(sv)) { |
463ee0b2 | 2602 | SvMAGICAL_off(sv); |
8990e307 | 2603 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 LW |
2604 | } |
2605 | ||
2606 | return 0; | |
79072805 LW |
2607 | } |
2608 | ||
2609 | void | |
8ac85365 | 2610 | sv_insert(SV *bigstr, STRLEN offset, STRLEN len, char *little, STRLEN littlelen) |
79072805 LW |
2611 | { |
2612 | register char *big; | |
2613 | register char *mid; | |
2614 | register char *midend; | |
2615 | register char *bigend; | |
2616 | register I32 i; | |
2617 | ||
8990e307 LW |
2618 | if (!bigstr) |
2619 | croak("Can't modify non-existent substring"); | |
a0d0e21e | 2620 | SvPV_force(bigstr, na); |
79072805 LW |
2621 | |
2622 | i = littlelen - len; | |
2623 | if (i > 0) { /* string might grow */ | |
a0d0e21e | 2624 | big = SvGROW(bigstr, SvCUR(bigstr) + i + 1); |
79072805 LW |
2625 | mid = big + offset + len; |
2626 | midend = bigend = big + SvCUR(bigstr); | |
2627 | bigend += i; | |
2628 | *bigend = '\0'; | |
2629 | while (midend > mid) /* shove everything down */ | |
2630 | *--bigend = *--midend; | |
2631 | Move(little,big+offset,littlelen,char); | |
2632 | SvCUR(bigstr) += i; | |
2633 | SvSETMAGIC(bigstr); | |
2634 | return; | |
2635 | } | |
2636 | else if (i == 0) { | |
463ee0b2 | 2637 | Move(little,SvPVX(bigstr)+offset,len,char); |
79072805 LW |
2638 | SvSETMAGIC(bigstr); |
2639 | return; | |
2640 | } | |
2641 | ||
463ee0b2 | 2642 | big = SvPVX(bigstr); |
79072805 LW |
2643 | mid = big + offset; |
2644 | midend = mid + len; | |
2645 | bigend = big + SvCUR(bigstr); | |
2646 | ||
2647 | if (midend > bigend) | |
463ee0b2 | 2648 | croak("panic: sv_insert"); |
79072805 LW |
2649 | |
2650 | if (mid - big > bigend - midend) { /* faster to shorten from end */ | |
2651 | if (littlelen) { | |
2652 | Move(little, mid, littlelen,char); | |
2653 | mid += littlelen; | |
2654 | } | |
2655 | i = bigend - midend; | |
2656 | if (i > 0) { | |
2657 | Move(midend, mid, i,char); | |
2658 | mid += i; | |
2659 | } | |
2660 | *mid = '\0'; | |
2661 | SvCUR_set(bigstr, mid - big); | |
2662 | } | |
2663 | /*SUPPRESS 560*/ | |
2664 | else if (i = mid - big) { /* faster from front */ | |
2665 | midend -= littlelen; | |
2666 | mid = midend; | |
2667 | sv_chop(bigstr,midend-i); | |
2668 | big += i; | |
2669 | while (i--) | |
2670 | *--midend = *--big; | |
2671 | if (littlelen) | |
2672 | Move(little, mid, littlelen,char); | |
2673 | } | |
2674 | else if (littlelen) { | |
2675 | midend -= littlelen; | |
2676 | sv_chop(bigstr,midend); | |
2677 | Move(little,midend,littlelen,char); | |
2678 | } | |
2679 | else { | |
2680 | sv_chop(bigstr,midend); | |
2681 | } | |
2682 | SvSETMAGIC(bigstr); | |
2683 | } | |
2684 | ||
2685 | /* make sv point to what nstr did */ | |
2686 | ||
2687 | void | |
8ac85365 | 2688 | sv_replace(register SV *sv, register SV *nsv) |
79072805 LW |
2689 | { |
2690 | U32 refcnt = SvREFCNT(sv); | |
2213622d | 2691 | SV_CHECK_THINKFIRST(sv); |
79072805 LW |
2692 | if (SvREFCNT(nsv) != 1) |
2693 | warn("Reference miscount in sv_replace()"); | |
93a17b20 | 2694 | if (SvMAGICAL(sv)) { |
a0d0e21e LW |
2695 | if (SvMAGICAL(nsv)) |
2696 | mg_free(nsv); | |
2697 | else | |
2698 | sv_upgrade(nsv, SVt_PVMG); | |
93a17b20 | 2699 | SvMAGIC(nsv) = SvMAGIC(sv); |
a0d0e21e | 2700 | SvFLAGS(nsv) |= SvMAGICAL(sv); |
93a17b20 LW |
2701 | SvMAGICAL_off(sv); |
2702 | SvMAGIC(sv) = 0; | |
2703 | } | |
79072805 LW |
2704 | SvREFCNT(sv) = 0; |
2705 | sv_clear(sv); | |
477f5d66 | 2706 | assert(!SvREFCNT(sv)); |
79072805 LW |
2707 | StructCopy(nsv,sv,SV); |
2708 | SvREFCNT(sv) = refcnt; | |
1edc1566 | 2709 | SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */ |
463ee0b2 | 2710 | del_SV(nsv); |
79072805 LW |
2711 | } |
2712 | ||
2713 | void | |
8ac85365 | 2714 | sv_clear(register SV *sv) |
79072805 LW |
2715 | { |
2716 | assert(sv); | |
2717 | assert(SvREFCNT(sv) == 0); | |
2718 | ||
ed6116ce | 2719 | if (SvOBJECT(sv)) { |
e858de61 | 2720 | dTHR; |
a0d0e21e | 2721 | if (defstash) { /* Still have a symbol table? */ |
4e35701f | 2722 | djSP; |
8ebc5c01 | 2723 | GV* destructor; |
4e8e7886 GS |
2724 | HV* stash; |
2725 | SV ref; | |
a0d0e21e | 2726 | |
4e8e7886 GS |
2727 | Zero(&ref, 1, SV); |
2728 | sv_upgrade(&ref, SVt_RV); | |
2729 | SvROK_on(&ref); | |
2730 | SvREADONLY_on(&ref); /* DESTROY() could be naughty */ | |
2731 | SvREFCNT(&ref) = 1; | |
2732 | ||
2733 | do { | |
2734 | stash = SvSTASH(sv); | |
2735 | destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); | |
2736 | if (destructor) { | |
2737 | ENTER; | |
2738 | SvRV(&ref) = SvREFCNT_inc(sv); | |
2739 | EXTEND(SP, 2); | |
2740 | PUSHMARK(SP); | |
2741 | PUSHs(&ref); | |
2742 | PUTBACK; | |
2743 | perl_call_sv((SV*)GvCV(destructor), | |
2744 | G_DISCARD|G_EVAL|G_KEEPERR); | |
2745 | SvREFCNT(sv)--; | |
2746 | LEAVE; | |
2747 | } | |
2748 | } while (SvOBJECT(sv) && SvSTASH(sv) != stash); | |
8ebc5c01 | 2749 | |
4e8e7886 | 2750 | del_XRV(SvANY(&ref)); |
a0d0e21e | 2751 | } |
4e8e7886 | 2752 | |
a0d0e21e | 2753 | if (SvOBJECT(sv)) { |
4e8e7886 | 2754 | SvREFCNT_dec(SvSTASH(sv)); /* possibly of changed persuasion */ |
a0d0e21e LW |
2755 | SvOBJECT_off(sv); /* Curse the object. */ |
2756 | if (SvTYPE(sv) != SVt_PVIO) | |
2757 | --sv_objcount; /* XXX Might want something more general */ | |
2758 | } | |
1edc1566 | 2759 | if (SvREFCNT(sv)) { |
477f5d66 CS |
2760 | if (in_clean_objs) |
2761 | croak("DESTROY created new reference to dead object"); | |
2762 | /* DESTROY gave object new lease on life */ | |
2763 | return; | |
1edc1566 | 2764 | } |
463ee0b2 | 2765 | } |
c07a80fd | 2766 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) |
a0d0e21e | 2767 | mg_free(sv); |
79072805 | 2768 | switch (SvTYPE(sv)) { |
8990e307 | 2769 | case SVt_PVIO: |
5f05dabc | 2770 | if (IoIFP(sv) != PerlIO_stdin() && |
2771 | IoIFP(sv) != PerlIO_stdout() && | |
2772 | IoIFP(sv) != PerlIO_stderr()) | |
2773 | io_close((IO*)sv); | |
8990e307 LW |
2774 | Safefree(IoTOP_NAME(sv)); |
2775 | Safefree(IoFMT_NAME(sv)); | |
2776 | Safefree(IoBOTTOM_NAME(sv)); | |
a0d0e21e | 2777 | /* FALL THROUGH */ |
79072805 | 2778 | case SVt_PVBM: |
a0d0e21e | 2779 | goto freescalar; |
79072805 | 2780 | case SVt_PVCV: |
748a9306 | 2781 | case SVt_PVFM: |
85e6fe83 | 2782 | cv_undef((CV*)sv); |
a0d0e21e | 2783 | goto freescalar; |
79072805 | 2784 | case SVt_PVHV: |
85e6fe83 | 2785 | hv_undef((HV*)sv); |
a0d0e21e | 2786 | break; |
79072805 | 2787 | case SVt_PVAV: |
85e6fe83 | 2788 | av_undef((AV*)sv); |
a0d0e21e LW |
2789 | break; |
2790 | case SVt_PVGV: | |
1edc1566 | 2791 | gp_free((GV*)sv); |
a0d0e21e | 2792 | Safefree(GvNAME(sv)); |
85aff577 | 2793 | SvREFCNT_dec(GvSTASH(sv)); |
a0d0e21e | 2794 | /* FALL THROUGH */ |
79072805 | 2795 | case SVt_PVLV: |
79072805 | 2796 | case SVt_PVMG: |
79072805 LW |
2797 | case SVt_PVNV: |
2798 | case SVt_PVIV: | |
a0d0e21e LW |
2799 | freescalar: |
2800 | (void)SvOOK_off(sv); | |
79072805 LW |
2801 | /* FALL THROUGH */ |
2802 | case SVt_PV: | |
a0d0e21e | 2803 | case SVt_RV: |
8990e307 LW |
2804 | if (SvROK(sv)) |
2805 | SvREFCNT_dec(SvRV(sv)); | |
1edc1566 | 2806 | else if (SvPVX(sv) && SvLEN(sv)) |
463ee0b2 | 2807 | Safefree(SvPVX(sv)); |
79072805 | 2808 | break; |
a0d0e21e | 2809 | /* |
79072805 | 2810 | case SVt_NV: |
79072805 | 2811 | case SVt_IV: |
79072805 LW |
2812 | case SVt_NULL: |
2813 | break; | |
a0d0e21e | 2814 | */ |
79072805 LW |
2815 | } |
2816 | ||
2817 | switch (SvTYPE(sv)) { | |
2818 | case SVt_NULL: | |
2819 | break; | |
79072805 LW |
2820 | case SVt_IV: |
2821 | del_XIV(SvANY(sv)); | |
2822 | break; | |
2823 | case SVt_NV: | |
2824 | del_XNV(SvANY(sv)); | |
2825 | break; | |
ed6116ce LW |
2826 | case SVt_RV: |
2827 | del_XRV(SvANY(sv)); | |
2828 | break; | |
79072805 LW |
2829 | case SVt_PV: |
2830 | del_XPV(SvANY(sv)); | |
2831 | break; | |
2832 | case SVt_PVIV: | |
2833 | del_XPVIV(SvANY(sv)); | |
2834 | break; | |
2835 | case SVt_PVNV: | |
2836 | del_XPVNV(SvANY(sv)); | |
2837 | break; | |
2838 | case SVt_PVMG: | |
2839 | del_XPVMG(SvANY(sv)); | |
2840 | break; | |
2841 | case SVt_PVLV: | |
2842 | del_XPVLV(SvANY(sv)); | |
2843 | break; | |
2844 | case SVt_PVAV: | |
2845 | del_XPVAV(SvANY(sv)); | |
2846 | break; | |
2847 | case SVt_PVHV: | |
2848 | del_XPVHV(SvANY(sv)); | |
2849 | break; | |
2850 | case SVt_PVCV: | |
2851 | del_XPVCV(SvANY(sv)); | |
2852 | break; | |
2853 | case SVt_PVGV: | |
2854 | del_XPVGV(SvANY(sv)); | |
2855 | break; | |
2856 | case SVt_PVBM: | |
2857 | del_XPVBM(SvANY(sv)); | |
2858 | break; | |
2859 | case SVt_PVFM: | |
2860 | del_XPVFM(SvANY(sv)); | |
2861 | break; | |
8990e307 LW |
2862 | case SVt_PVIO: |
2863 | del_XPVIO(SvANY(sv)); | |
2864 | break; | |
79072805 | 2865 | } |
a0d0e21e | 2866 | SvFLAGS(sv) &= SVf_BREAK; |
8990e307 | 2867 | SvFLAGS(sv) |= SVTYPEMASK; |
79072805 LW |
2868 | } |
2869 | ||
2870 | SV * | |
8ac85365 | 2871 | sv_newref(SV *sv) |
79072805 | 2872 | { |
463ee0b2 | 2873 | if (sv) |
dce16143 | 2874 | ATOMIC_INC(SvREFCNT(sv)); |
79072805 LW |
2875 | return sv; |
2876 | } | |
2877 | ||
2878 | void | |
8ac85365 | 2879 | sv_free(SV *sv) |
79072805 | 2880 | { |
dce16143 MB |
2881 | int refcount_is_zero; |
2882 | ||
79072805 LW |
2883 | if (!sv) |
2884 | return; | |
a0d0e21e LW |
2885 | if (SvREADONLY(sv)) { |
2886 | if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no) | |
2887 | return; | |
79072805 | 2888 | } |
a0d0e21e LW |
2889 | if (SvREFCNT(sv) == 0) { |
2890 | if (SvFLAGS(sv) & SVf_BREAK) | |
2891 | return; | |
1edc1566 | 2892 | if (in_clean_all) /* All is fair */ |
2893 | return; | |
79072805 LW |
2894 | warn("Attempt to free unreferenced scalar"); |
2895 | return; | |
2896 | } | |
dce16143 MB |
2897 | ATOMIC_DEC_AND_TEST(refcount_is_zero, SvREFCNT(sv)); |
2898 | if (!refcount_is_zero) | |
8990e307 | 2899 | return; |
463ee0b2 LW |
2900 | #ifdef DEBUGGING |
2901 | if (SvTEMP(sv)) { | |
0f15f207 | 2902 | warn("Attempt to free temp prematurely: %s", SvPEEK(sv)); |
79072805 | 2903 | return; |
79072805 | 2904 | } |
463ee0b2 | 2905 | #endif |
79072805 | 2906 | sv_clear(sv); |
477f5d66 CS |
2907 | if (! SvREFCNT(sv)) |
2908 | del_SV(sv); | |
79072805 LW |
2909 | } |
2910 | ||
2911 | STRLEN | |
8ac85365 | 2912 | sv_len(register SV *sv) |
79072805 | 2913 | { |
748a9306 | 2914 | char *junk; |
463ee0b2 | 2915 | STRLEN len; |
79072805 LW |
2916 | |
2917 | if (!sv) | |
2918 | return 0; | |
2919 | ||
8990e307 LW |
2920 | if (SvGMAGICAL(sv)) |
2921 | len = mg_len(sv); | |
2922 | else | |
748a9306 | 2923 | junk = SvPV(sv, len); |
463ee0b2 | 2924 | return len; |
79072805 LW |
2925 | } |
2926 | ||
2927 | I32 | |
8ac85365 | 2928 | sv_eq(register SV *str1, register SV *str2) |
79072805 LW |
2929 | { |
2930 | char *pv1; | |
463ee0b2 | 2931 | STRLEN cur1; |
79072805 | 2932 | char *pv2; |
463ee0b2 | 2933 | STRLEN cur2; |
79072805 LW |
2934 | |
2935 | if (!str1) { | |
2936 | pv1 = ""; | |
2937 | cur1 = 0; | |
2938 | } | |
463ee0b2 LW |
2939 | else |
2940 | pv1 = SvPV(str1, cur1); | |
79072805 LW |
2941 | |
2942 | if (!str2) | |
2943 | return !cur1; | |
463ee0b2 LW |
2944 | else |
2945 | pv2 = SvPV(str2, cur2); | |
79072805 LW |
2946 | |
2947 | if (cur1 != cur2) | |
2948 | return 0; | |
2949 | ||
36477c24 | 2950 | return memEQ(pv1, pv2, cur1); |
79072805 LW |
2951 | } |
2952 | ||
2953 | I32 | |
8ac85365 | 2954 | sv_cmp(register SV *str1, register SV *str2) |
79072805 | 2955 | { |
bbce6d69 | 2956 | STRLEN cur1 = 0; |
8ac85365 | 2957 | char *pv1 = str1 ? SvPV(str1, cur1) : (char *) NULL; |
bbce6d69 | 2958 | STRLEN cur2 = 0; |
8ac85365 | 2959 | char *pv2 = str2 ? SvPV(str2, cur2) : (char *) NULL; |
79072805 | 2960 | I32 retval; |
79072805 | 2961 | |
bbce6d69 | 2962 | if (!cur1) |
2963 | return cur2 ? -1 : 0; | |
16660edb | 2964 | |
bbce6d69 | 2965 | if (!cur2) |
2966 | return 1; | |
79072805 | 2967 | |
bbce6d69 | 2968 | retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2); |
16660edb | 2969 | |
bbce6d69 | 2970 | if (retval) |
2971 | return retval < 0 ? -1 : 1; | |
16660edb | 2972 | |
bbce6d69 | 2973 | if (cur1 == cur2) |
2974 | return 0; | |
2975 | else | |
2976 | return cur1 < cur2 ? -1 : 1; | |
2977 | } | |
16660edb | 2978 | |
bbce6d69 | 2979 | I32 |
8ac85365 | 2980 | sv_cmp_locale(register SV *sv1, register SV *sv2) |
bbce6d69 | 2981 | { |
36477c24 | 2982 | #ifdef USE_LOCALE_COLLATE |
16660edb | 2983 | |
bbce6d69 | 2984 | char *pv1, *pv2; |
2985 | STRLEN len1, len2; | |
2986 | I32 retval; | |
16660edb | 2987 | |
bbce6d69 | 2988 | if (collation_standard) |
2989 | goto raw_compare; | |
16660edb | 2990 | |
bbce6d69 | 2991 | len1 = 0; |
8ac85365 | 2992 | pv1 = sv1 ? sv_collxfrm(sv1, &len1) : (char *) NULL; |
bbce6d69 | 2993 | len2 = 0; |
8ac85365 | 2994 | pv2 = sv2 ? sv_collxfrm(sv2, &len2) : (char *) NULL; |
16660edb | 2995 | |
bbce6d69 | 2996 | if (!pv1 || !len1) { |
2997 | if (pv2 && len2) | |
2998 | return -1; | |
2999 | else | |
3000 | goto raw_compare; | |
3001 | } | |
3002 | else { | |
3003 | if (!pv2 || !len2) | |
3004 | return 1; | |
3005 | } | |
16660edb | 3006 | |
bbce6d69 | 3007 | retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2); |
16660edb | 3008 | |
bbce6d69 | 3009 | if (retval) |
16660edb | 3010 | return retval < 0 ? -1 : 1; |
3011 | ||
bbce6d69 | 3012 | /* |
3013 | * When the result of collation is equality, that doesn't mean | |
3014 | * that there are no differences -- some locales exclude some | |
3015 | * characters from consideration. So to avoid false equalities, | |
3016 | * we use the raw string as a tiebreaker. | |
3017 | */ | |
16660edb | 3018 | |
bbce6d69 | 3019 | raw_compare: |
3020 | /* FALL THROUGH */ | |
16660edb | 3021 | |
36477c24 | 3022 | #endif /* USE_LOCALE_COLLATE */ |
16660edb | 3023 | |
bbce6d69 | 3024 | return sv_cmp(sv1, sv2); |
3025 | } | |
79072805 | 3026 | |
36477c24 | 3027 | #ifdef USE_LOCALE_COLLATE |
7a4c00b4 | 3028 | /* |
3029 | * Any scalar variable may carry an 'o' magic that contains the | |
3030 | * scalar data of the variable transformed to such a format that | |
3031 | * a normal memory comparison can be used to compare the data | |
3032 | * according to the locale settings. | |
3033 | */ | |
bbce6d69 | 3034 | char * |
8ac85365 | 3035 | sv_collxfrm(SV *sv, STRLEN *nxp) |
bbce6d69 | 3036 | { |
7a4c00b4 | 3037 | MAGIC *mg; |
16660edb | 3038 | |
8ac85365 | 3039 | mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : (MAGIC *) NULL; |
7a4c00b4 | 3040 | if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != collation_ix) { |
bbce6d69 | 3041 | char *s, *xf; |
3042 | STRLEN len, xlen; | |
3043 | ||
7a4c00b4 | 3044 | if (mg) |
3045 | Safefree(mg->mg_ptr); | |
bbce6d69 | 3046 | s = SvPV(sv, len); |
3047 | if ((xf = mem_collxfrm(s, len, &xlen))) { | |
ff0cee69 | 3048 | if (SvREADONLY(sv)) { |
3049 | SAVEFREEPV(xf); | |
3050 | *nxp = xlen; | |
fb73857a | 3051 | return xf + sizeof(collation_ix); |
ff0cee69 | 3052 | } |
7a4c00b4 | 3053 | if (! mg) { |
3054 | sv_magic(sv, 0, 'o', 0, 0); | |
3055 | mg = mg_find(sv, 'o'); | |
3056 | assert(mg); | |
bbce6d69 | 3057 | } |
7a4c00b4 | 3058 | mg->mg_ptr = xf; |
3059 | mg->mg_len = xlen; | |
3060 | } | |
3061 | else { | |
ff0cee69 | 3062 | if (mg) { |
3063 | mg->mg_ptr = NULL; | |
3064 | mg->mg_len = -1; | |
3065 | } | |
bbce6d69 | 3066 | } |
3067 | } | |
7a4c00b4 | 3068 | if (mg && mg->mg_ptr) { |
bbce6d69 | 3069 | *nxp = mg->mg_len; |
3070 | return mg->mg_ptr + sizeof(collation_ix); | |
3071 | } | |
3072 | else { | |
3073 | *nxp = 0; | |
3074 | return NULL; | |
16660edb | 3075 | } |
79072805 LW |
3076 | } |
3077 | ||
36477c24 | 3078 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 3079 | |
79072805 | 3080 | char * |
6acef3b7 | 3081 | sv_gets(register SV *sv, register PerlIO *fp, I32 append) |
79072805 | 3082 | { |
aeea060c | 3083 | dTHR; |
c07a80fd | 3084 | char *rsptr; |
3085 | STRLEN rslen; | |
3086 | register STDCHAR rslast; | |
3087 | register STDCHAR *bp; | |
3088 | register I32 cnt; | |
3089 | I32 i; | |
3090 | ||
2213622d | 3091 | SV_CHECK_THINKFIRST(sv); |
c6f8c383 | 3092 | (void)SvUPGRADE(sv, SVt_PV); |
ff68c719 | 3093 | SvSCREAM_off(sv); |
c07a80fd | 3094 | |
3095 | if (RsSNARF(rs)) { | |
3096 | rsptr = NULL; | |
3097 | rslen = 0; | |
3098 | } | |
3099 | else if (RsPARA(rs)) { | |
3100 | rsptr = "\n\n"; | |
3101 | rslen = 2; | |
3102 | } | |
3103 | else | |
3104 | rsptr = SvPV(rs, rslen); | |
3105 | rslast = rslen ? rsptr[rslen - 1] : '\0'; | |
3106 | ||
3107 | if (RsPARA(rs)) { /* have to do this both before and after */ | |
79072805 | 3108 | do { /* to make sure file boundaries work right */ |
760ac839 | 3109 | if (PerlIO_eof(fp)) |
a0d0e21e | 3110 | return 0; |
760ac839 | 3111 | i = PerlIO_getc(fp); |
79072805 | 3112 | if (i != '\n') { |
a0d0e21e LW |
3113 | if (i == -1) |
3114 | return 0; | |
760ac839 | 3115 | PerlIO_ungetc(fp,i); |
79072805 LW |
3116 | break; |
3117 | } | |
3118 | } while (i != EOF); | |
3119 | } | |
c07a80fd | 3120 | |
760ac839 LW |
3121 | /* See if we know enough about I/O mechanism to cheat it ! */ |
3122 | ||
3123 | /* This used to be #ifdef test - it is made run-time test for ease | |
3124 | of abstracting out stdio interface. One call should be cheap | |
3125 | enough here - and may even be a macro allowing compile | |
3126 | time optimization. | |
3127 | */ | |
3128 | ||
3129 | if (PerlIO_fast_gets(fp)) { | |
3130 | ||
3131 | /* | |
3132 | * We're going to steal some values from the stdio struct | |
3133 | * and put EVERYTHING in the innermost loop into registers. | |
3134 | */ | |
3135 | register STDCHAR *ptr; | |
3136 | STRLEN bpx; | |
3137 | I32 shortbuffered; | |
3138 | ||
16660edb | 3139 | #if defined(VMS) && defined(PERLIO_IS_STDIO) |
3140 | /* An ungetc()d char is handled separately from the regular | |
3141 | * buffer, so we getc() it back out and stuff it in the buffer. | |
3142 | */ | |
3143 | i = PerlIO_getc(fp); | |
3144 | if (i == EOF) return 0; | |
3145 | *(--((*fp)->_ptr)) = (unsigned char) i; | |
3146 | (*fp)->_cnt++; | |
3147 | #endif | |
c07a80fd | 3148 | |
c2960299 | 3149 | /* Here is some breathtakingly efficient cheating */ |
c07a80fd | 3150 | |
760ac839 | 3151 | cnt = PerlIO_get_cnt(fp); /* get count into register */ |
a0d0e21e | 3152 | (void)SvPOK_only(sv); /* validate pointer */ |
79072805 LW |
3153 | if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ |
3154 | if (cnt > 80 && SvLEN(sv) > append) { | |
3155 | shortbuffered = cnt - SvLEN(sv) + append + 1; | |
3156 | cnt -= shortbuffered; | |
3157 | } | |
3158 | else { | |
3159 | shortbuffered = 0; | |
bbce6d69 | 3160 | /* remember that cnt can be negative */ |
3161 | SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1))); | |
79072805 LW |
3162 | } |
3163 | } | |
3164 | else | |
3165 | shortbuffered = 0; | |
c07a80fd | 3166 | bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */ |
760ac839 | 3167 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); |
16660edb | 3168 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3169 | "Screamer: entering, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
16660edb | 3170 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3171 | "Screamer: entering: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3172 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3173 | (long)(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 LW |
3174 | for (;;) { |
3175 | screamer: | |
93a17b20 | 3176 | if (cnt > 0) { |
c07a80fd | 3177 | if (rslen) { |
760ac839 LW |
3178 | while (cnt > 0) { /* this | eat */ |
3179 | cnt--; | |
c07a80fd | 3180 | if ((*bp++ = *ptr++) == rslast) /* really | dust */ |
3181 | goto thats_all_folks; /* screams | sed :-) */ | |
3182 | } | |
3183 | } | |
3184 | else { | |
36477c24 | 3185 | Copy(ptr, bp, cnt, char); /* this | eat */ |
c07a80fd | 3186 | bp += cnt; /* screams | dust */ |
3187 | ptr += cnt; /* louder | sed :-) */ | |
a5f75d66 | 3188 | cnt = 0; |
93a17b20 | 3189 | } |
79072805 LW |
3190 | } |
3191 | ||
748a9306 | 3192 | if (shortbuffered) { /* oh well, must extend */ |
79072805 LW |
3193 | cnt = shortbuffered; |
3194 | shortbuffered = 0; | |
c07a80fd | 3195 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3196 | SvCUR_set(sv, bpx); |
3197 | SvGROW(sv, SvLEN(sv) + append + cnt + 2); | |
c07a80fd | 3198 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
79072805 LW |
3199 | continue; |
3200 | } | |
3201 | ||
16660edb | 3202 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3203 | "Screamer: going to getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3204 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */ |
16660edb | 3205 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3206 | "Screamer: pre: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3207 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3208 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
16660edb | 3209 | /* This used to call 'filbuf' in stdio form, but as that behaves like |
774d564b | 3210 | getc when cnt <= 0 we use PerlIO_getc here to avoid introducing |
3211 | another abstraction. */ | |
760ac839 | 3212 | i = PerlIO_getc(fp); /* get more characters */ |
16660edb | 3213 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3214 | "Screamer: post: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3215 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3216 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
760ac839 LW |
3217 | cnt = PerlIO_get_cnt(fp); |
3218 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */ | |
16660edb | 3219 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3220 | "Screamer: after getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
79072805 | 3221 | |
748a9306 LW |
3222 | if (i == EOF) /* all done for ever? */ |
3223 | goto thats_really_all_folks; | |
3224 | ||
c07a80fd | 3225 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3226 | SvCUR_set(sv, bpx); |
3227 | SvGROW(sv, bpx + cnt + 2); | |
c07a80fd | 3228 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
3229 | ||
760ac839 | 3230 | *bp++ = i; /* store character from PerlIO_getc */ |
79072805 | 3231 | |
c07a80fd | 3232 | if (rslen && (STDCHAR)i == rslast) /* all done for now? */ |
79072805 | 3233 | goto thats_all_folks; |
79072805 LW |
3234 | } |
3235 | ||
3236 | thats_all_folks: | |
c07a80fd | 3237 | if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) || |
36477c24 | 3238 | memNE((char*)bp - rslen, rsptr, rslen)) |
760ac839 | 3239 | goto screamer; /* go back to the fray */ |
79072805 LW |
3240 | thats_really_all_folks: |
3241 | if (shortbuffered) | |
3242 | cnt += shortbuffered; | |
16660edb | 3243 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3244 | "Screamer: quitting, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3245 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */ |
16660edb | 3246 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3247 | "Screamer: end: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3248 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3249 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 | 3250 | *bp = '\0'; |
760ac839 | 3251 | SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */ |
16660edb | 3252 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
fb73857a | 3253 | "Screamer: done, len=%ld, string=|%.*s|\n", |
3254 | (long)SvCUR(sv),(int)SvCUR(sv),SvPVX(sv))); | |
760ac839 LW |
3255 | } |
3256 | else | |
79072805 | 3257 | { |
760ac839 | 3258 | /*The big, slow, and stupid way */ |
c07a80fd | 3259 | STDCHAR buf[8192]; |
79072805 | 3260 | |
760ac839 | 3261 | screamer2: |
c07a80fd | 3262 | if (rslen) { |
760ac839 LW |
3263 | register STDCHAR *bpe = buf + sizeof(buf); |
3264 | bp = buf; | |
3265 | while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe) | |
3266 | ; /* keep reading */ | |
3267 | cnt = bp - buf; | |
c07a80fd | 3268 | } |
3269 | else { | |
760ac839 | 3270 | cnt = PerlIO_read(fp,(char*)buf, sizeof(buf)); |
16660edb | 3271 | /* Accomodate broken VAXC compiler, which applies U8 cast to |
3272 | * both args of ?: operator, causing EOF to change into 255 | |
3273 | */ | |
3274 | if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; } | |
c07a80fd | 3275 | } |
79072805 LW |
3276 | |
3277 | if (append) | |
760ac839 | 3278 | sv_catpvn(sv, (char *) buf, cnt); |
79072805 | 3279 | else |
760ac839 | 3280 | sv_setpvn(sv, (char *) buf, cnt); |
c07a80fd | 3281 | |
3282 | if (i != EOF && /* joy */ | |
3283 | (!rslen || | |
3284 | SvCUR(sv) < rslen || | |
36477c24 | 3285 | memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen))) |
79072805 LW |
3286 | { |
3287 | append = -1; | |
63e4d877 CS |
3288 | /* |
3289 | * If we're reading from a TTY and we get a short read, | |
3290 | * indicating that the user hit his EOF character, we need | |
3291 | * to notice it now, because if we try to read from the TTY | |
3292 | * again, the EOF condition will disappear. | |
3293 | * | |
3294 | * The comparison of cnt to sizeof(buf) is an optimization | |
3295 | * that prevents unnecessary calls to feof(). | |
3296 | * | |
3297 | * - jik 9/25/96 | |
3298 | */ | |
3299 | if (!(cnt < sizeof(buf) && PerlIO_eof(fp))) | |
3300 | goto screamer2; | |
79072805 LW |
3301 | } |
3302 | } | |
3303 | ||
c07a80fd | 3304 | if (RsPARA(rs)) { /* have to do this both before and after */ |
3305 | while (i != EOF) { /* to make sure file boundaries work right */ | |
760ac839 | 3306 | i = PerlIO_getc(fp); |
79072805 | 3307 | if (i != '\n') { |
760ac839 | 3308 | PerlIO_ungetc(fp,i); |
79072805 LW |
3309 | break; |
3310 | } | |
3311 | } | |
3312 | } | |
c07a80fd | 3313 | |
a868473f NIS |
3314 | #ifdef WIN32 |
3315 | win32_strip_return(sv); | |
3316 | #endif | |
3317 | ||
c07a80fd | 3318 | return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch; |
79072805 LW |
3319 | } |
3320 | ||
760ac839 | 3321 | |
79072805 | 3322 | void |
8ac85365 | 3323 | sv_inc(register SV *sv) |
79072805 LW |
3324 | { |
3325 | register char *d; | |
463ee0b2 | 3326 | int flags; |
79072805 LW |
3327 | |
3328 | if (!sv) | |
3329 | return; | |
ed6116ce | 3330 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3331 | if (SvREADONLY(sv)) { |
3332 | dTHR; | |
3333 | if (curcop != &compiling) | |
3334 | croak(no_modify); | |
3335 | } | |
a0d0e21e LW |
3336 | if (SvROK(sv)) { |
3337 | #ifdef OVERLOAD | |
3338 | if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return; | |
3339 | #endif /* OVERLOAD */ | |
3340 | sv_unref(sv); | |
3341 | } | |
ed6116ce | 3342 | } |
8990e307 | 3343 | if (SvGMAGICAL(sv)) |
79072805 | 3344 | mg_get(sv); |
8990e307 | 3345 | flags = SvFLAGS(sv); |
8990e307 | 3346 | if (flags & SVp_NOK) { |
a0d0e21e | 3347 | (void)SvNOK_only(sv); |
55497cff | 3348 | SvNVX(sv) += 1.0; |
3349 | return; | |
3350 | } | |
3351 | if (flags & SVp_IOK) { | |
3352 | if (SvIVX(sv) == IV_MAX) | |
3353 | sv_setnv(sv, (double)IV_MAX + 1.0); | |
3354 | else { | |
3355 | (void)SvIOK_only(sv); | |
3356 | ++SvIVX(sv); | |
3357 | } | |
79072805 LW |
3358 | return; |
3359 | } | |
8990e307 | 3360 | if (!(flags & SVp_POK) || !*SvPVX(sv)) { |
4633a7c4 LW |
3361 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3362 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3363 | SvNVX(sv) = 1.0; |
a0d0e21e | 3364 | (void)SvNOK_only(sv); |
79072805 LW |
3365 | return; |
3366 | } | |
463ee0b2 | 3367 | d = SvPVX(sv); |
79072805 LW |
3368 | while (isALPHA(*d)) d++; |
3369 | while (isDIGIT(*d)) d++; | |
3370 | if (*d) { | |
36477c24 | 3371 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3372 | sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */ |
79072805 LW |
3373 | return; |
3374 | } | |
3375 | d--; | |
463ee0b2 | 3376 | while (d >= SvPVX(sv)) { |
79072805 LW |
3377 | if (isDIGIT(*d)) { |
3378 | if (++*d <= '9') | |
3379 | return; | |
3380 | *(d--) = '0'; | |
3381 | } | |
3382 | else { | |
3383 | ++*d; | |
3384 | if (isALPHA(*d)) | |
3385 | return; | |
3386 | *(d--) -= 'z' - 'a' + 1; | |
3387 | } | |
3388 | } | |
3389 | /* oh,oh, the number grew */ | |
3390 | SvGROW(sv, SvCUR(sv) + 2); | |
3391 | SvCUR(sv)++; | |
463ee0b2 | 3392 | for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--) |
79072805 LW |
3393 | *d = d[-1]; |
3394 | if (isDIGIT(d[1])) | |
3395 | *d = '1'; | |
3396 | else | |
3397 | *d = d[1]; | |
3398 | } | |
3399 | ||
3400 | void | |
8ac85365 | 3401 | sv_dec(register SV *sv) |
79072805 | 3402 | { |
463ee0b2 LW |
3403 | int flags; |
3404 | ||
79072805 LW |
3405 | if (!sv) |
3406 | return; | |
ed6116ce | 3407 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3408 | if (SvREADONLY(sv)) { |
3409 | dTHR; | |
3410 | if (curcop != &compiling) | |
3411 | croak(no_modify); | |
3412 | } | |
a0d0e21e LW |
3413 | if (SvROK(sv)) { |
3414 | #ifdef OVERLOAD | |
3415 | if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return; | |
3416 | #endif /* OVERLOAD */ | |
3417 | sv_unref(sv); | |
3418 | } | |
ed6116ce | 3419 | } |
8990e307 | 3420 | if (SvGMAGICAL(sv)) |
79072805 | 3421 | mg_get(sv); |
8990e307 | 3422 | flags = SvFLAGS(sv); |
8990e307 | 3423 | if (flags & SVp_NOK) { |
463ee0b2 | 3424 | SvNVX(sv) -= 1.0; |
a0d0e21e | 3425 | (void)SvNOK_only(sv); |
79072805 LW |
3426 | return; |
3427 | } | |
55497cff | 3428 | if (flags & SVp_IOK) { |
3429 | if (SvIVX(sv) == IV_MIN) | |
3430 | sv_setnv(sv, (double)IV_MIN - 1.0); | |
3431 | else { | |
3432 | (void)SvIOK_only(sv); | |
3433 | --SvIVX(sv); | |
3434 | } | |
3435 | return; | |
3436 | } | |
8990e307 | 3437 | if (!(flags & SVp_POK)) { |
4633a7c4 LW |
3438 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3439 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3440 | SvNVX(sv) = -1.0; |
a0d0e21e | 3441 | (void)SvNOK_only(sv); |
79072805 LW |
3442 | return; |
3443 | } | |
36477c24 | 3444 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3445 | sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */ |
79072805 LW |
3446 | } |
3447 | ||
3448 | /* Make a string that will exist for the duration of the expression | |
3449 | * evaluation. Actually, it may have to last longer than that, but | |
3450 | * hopefully we won't free it until it has been assigned to a | |
3451 | * permanent location. */ | |
3452 | ||
8990e307 | 3453 | static void |
8ac85365 | 3454 | sv_mortalgrow(void) |
8990e307 | 3455 | { |
11343788 | 3456 | dTHR; |
55497cff | 3457 | tmps_max += (tmps_max < 512) ? 128 : 512; |
8990e307 LW |
3458 | Renew(tmps_stack, tmps_max, SV*); |
3459 | } | |
3460 | ||
79072805 | 3461 | SV * |
8ac85365 | 3462 | sv_mortalcopy(SV *oldstr) |
79072805 | 3463 | { |
11343788 | 3464 | dTHR; |
463ee0b2 | 3465 | register SV *sv; |
79072805 | 3466 | |
4561caa4 | 3467 | new_SV(sv); |
8990e307 LW |
3468 | SvANY(sv) = 0; |
3469 | SvREFCNT(sv) = 1; | |
3470 | SvFLAGS(sv) = 0; | |
79072805 | 3471 | sv_setsv(sv,oldstr); |
8990e307 LW |
3472 | if (++tmps_ix >= tmps_max) |
3473 | sv_mortalgrow(); | |
3474 | tmps_stack[tmps_ix] = sv; | |
3475 | SvTEMP_on(sv); | |
3476 | return sv; | |
3477 | } | |
3478 | ||
3479 | SV * | |
8ac85365 | 3480 | sv_newmortal(void) |
8990e307 | 3481 | { |
11343788 | 3482 | dTHR; |
8990e307 LW |
3483 | register SV *sv; |
3484 | ||
4561caa4 | 3485 | new_SV(sv); |
8990e307 LW |
3486 | SvANY(sv) = 0; |
3487 | SvREFCNT(sv) = 1; | |
3488 | SvFLAGS(sv) = SVs_TEMP; | |
3489 | if (++tmps_ix >= tmps_max) | |
3490 | sv_mortalgrow(); | |
79072805 | 3491 | tmps_stack[tmps_ix] = sv; |
79072805 LW |
3492 | return sv; |
3493 | } | |
3494 | ||
3495 | /* same thing without the copying */ | |
3496 | ||
3497 | SV * | |
8ac85365 | 3498 | sv_2mortal(register SV *sv) |
79072805 | 3499 | { |
11343788 | 3500 | dTHR; |
79072805 LW |
3501 | if (!sv) |
3502 | return sv; | |
a0d0e21e LW |
3503 | if (SvREADONLY(sv) && curcop != &compiling) |
3504 | croak(no_modify); | |
8990e307 LW |
3505 | if (++tmps_ix >= tmps_max) |
3506 | sv_mortalgrow(); | |
79072805 | 3507 | tmps_stack[tmps_ix] = sv; |
8990e307 | 3508 | SvTEMP_on(sv); |
79072805 LW |
3509 | return sv; |
3510 | } | |
3511 | ||
3512 | SV * | |
8ac85365 | 3513 | newSVpv(char *s, STRLEN len) |
79072805 | 3514 | { |
463ee0b2 | 3515 | register SV *sv; |
79072805 | 3516 | |
4561caa4 | 3517 | new_SV(sv); |
8990e307 LW |
3518 | SvANY(sv) = 0; |
3519 | SvREFCNT(sv) = 1; | |
3520 | SvFLAGS(sv) = 0; | |
79072805 LW |
3521 | if (!len) |
3522 | len = strlen(s); | |
3523 | sv_setpvn(sv,s,len); | |
3524 | return sv; | |
3525 | } | |
3526 | ||
9da1e3b5 MUN |
3527 | SV * |
3528 | newSVpvn(s,len) | |
3529 | char *s; | |
3530 | STRLEN len; | |
3531 | { | |
3532 | register SV *sv; | |
3533 | ||
3534 | new_SV(sv); | |
3535 | SvANY(sv) = 0; | |
3536 | SvREFCNT(sv) = 1; | |
3537 | SvFLAGS(sv) = 0; | |
3538 | sv_setpvn(sv,s,len); | |
3539 | return sv; | |
3540 | } | |
3541 | ||
46fc3d4c | 3542 | #ifdef I_STDARG |
3543 | SV * | |
3544 | newSVpvf(const char* pat, ...) | |
3545 | #else | |
3546 | /*VARARGS0*/ | |
3547 | SV * | |
fc36a67e | 3548 | newSVpvf(pat, va_alist) |
46fc3d4c | 3549 | const char *pat; |
3550 | va_dcl | |
3551 | #endif | |
3552 | { | |
3553 | register SV *sv; | |
3554 | va_list args; | |
3555 | ||
3556 | new_SV(sv); | |
3557 | SvANY(sv) = 0; | |
3558 | SvREFCNT(sv) = 1; | |
3559 | SvFLAGS(sv) = 0; | |
3560 | #ifdef I_STDARG | |
3561 | va_start(args, pat); | |
3562 | #else | |
3563 | va_start(args); | |
3564 | #endif | |
fc36a67e | 3565 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 3566 | va_end(args); |
3567 | return sv; | |
3568 | } | |
3569 | ||
3570 | ||
79072805 | 3571 | SV * |
8ac85365 | 3572 | newSVnv(double n) |
79072805 | 3573 | { |
463ee0b2 | 3574 | register SV *sv; |
79072805 | 3575 | |
4561caa4 | 3576 | new_SV(sv); |
8990e307 LW |
3577 | SvANY(sv) = 0; |
3578 | SvREFCNT(sv) = 1; | |
3579 | SvFLAGS(sv) = 0; | |
79072805 LW |
3580 | sv_setnv(sv,n); |
3581 | return sv; | |
3582 | } | |
3583 | ||
3584 | SV * | |
8ac85365 | 3585 | newSViv(IV i) |
79072805 | 3586 | { |
463ee0b2 | 3587 | register SV *sv; |
79072805 | 3588 | |
4561caa4 | 3589 | new_SV(sv); |
8990e307 LW |
3590 | SvANY(sv) = 0; |
3591 | SvREFCNT(sv) = 1; | |
3592 | SvFLAGS(sv) = 0; | |
79072805 LW |
3593 | sv_setiv(sv,i); |
3594 | return sv; | |
3595 | } | |
3596 | ||
2304df62 | 3597 | SV * |
8ac85365 | 3598 | newRV(SV *ref) |
2304df62 | 3599 | { |
11343788 | 3600 | dTHR; |
2304df62 AD |
3601 | register SV *sv; |
3602 | ||
4561caa4 | 3603 | new_SV(sv); |
2304df62 AD |
3604 | SvANY(sv) = 0; |
3605 | SvREFCNT(sv) = 1; | |
3606 | SvFLAGS(sv) = 0; | |
3607 | sv_upgrade(sv, SVt_RV); | |
a0d0e21e | 3608 | SvTEMP_off(ref); |
2304df62 AD |
3609 | SvRV(sv) = SvREFCNT_inc(ref); |
3610 | SvROK_on(sv); | |
2304df62 AD |
3611 | return sv; |
3612 | } | |
3613 | ||
4e35701f | 3614 | |
aeea060c | 3615 | |
5f05dabc | 3616 | SV * |
aeea060c | 3617 | Perl_newRV_noinc(SV *ref) |
5f05dabc | 3618 | { |
3619 | register SV *sv; | |
3620 | ||
3621 | sv = newRV(ref); | |
3622 | SvREFCNT_dec(ref); | |
3623 | return sv; | |
3624 | } | |
5f05dabc | 3625 | |
79072805 LW |
3626 | /* make an exact duplicate of old */ |
3627 | ||
3628 | SV * | |
8ac85365 | 3629 | newSVsv(register SV *old) |
79072805 | 3630 | { |
463ee0b2 | 3631 | register SV *sv; |
79072805 LW |
3632 | |
3633 | if (!old) | |
3634 | return Nullsv; | |
8990e307 | 3635 | if (SvTYPE(old) == SVTYPEMASK) { |
79072805 LW |
3636 | warn("semi-panic: attempt to dup freed string"); |
3637 | return Nullsv; | |
3638 | } | |
4561caa4 | 3639 | new_SV(sv); |
8990e307 LW |
3640 | SvANY(sv) = 0; |
3641 | SvREFCNT(sv) = 1; | |
3642 | SvFLAGS(sv) = 0; | |
ff68c719 | 3643 | if (SvTEMP(old)) { |
3644 | SvTEMP_off(old); | |
463ee0b2 | 3645 | sv_setsv(sv,old); |
ff68c719 | 3646 | SvTEMP_on(old); |
79072805 LW |
3647 | } |
3648 | else | |
463ee0b2 LW |
3649 | sv_setsv(sv,old); |
3650 | return sv; | |
79072805 LW |
3651 | } |
3652 | ||
3653 | void | |
8ac85365 | 3654 | sv_reset(register char *s, HV *stash) |
79072805 LW |
3655 | { |
3656 | register HE *entry; | |
3657 | register GV *gv; | |
3658 | register SV *sv; | |
3659 | register I32 i; | |
3660 | register PMOP *pm; | |
3661 | register I32 max; | |
463ee0b2 | 3662 | char todo[256]; |
79072805 | 3663 | |
49d8d3a1 MB |
3664 | if (!stash) |
3665 | return; | |
3666 | ||
79072805 LW |
3667 | if (!*s) { /* reset ?? searches */ |
3668 | for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) { | |
3669 | pm->op_pmflags &= ~PMf_USED; | |
3670 | } | |
3671 | return; | |
3672 | } | |
3673 | ||
3674 | /* reset variables */ | |
3675 | ||
3676 | if (!HvARRAY(stash)) | |
3677 | return; | |
463ee0b2 LW |
3678 | |
3679 | Zero(todo, 256, char); | |
79072805 LW |
3680 | while (*s) { |
3681 | i = *s; | |
3682 | if (s[1] == '-') { | |
3683 | s += 2; | |
3684 | } | |
3685 | max = *s++; | |
3686 | for ( ; i <= max; i++) { | |
463ee0b2 LW |
3687 | todo[i] = 1; |
3688 | } | |
a0d0e21e | 3689 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
79072805 LW |
3690 | for (entry = HvARRAY(stash)[i]; |
3691 | entry; | |
1edc1566 | 3692 | entry = HeNEXT(entry)) { |
3693 | if (!todo[(U8)*HeKEY(entry)]) | |
463ee0b2 | 3694 | continue; |
1edc1566 | 3695 | gv = (GV*)HeVAL(entry); |
79072805 | 3696 | sv = GvSV(gv); |
a0d0e21e | 3697 | (void)SvOK_off(sv); |
79072805 LW |
3698 | if (SvTYPE(sv) >= SVt_PV) { |
3699 | SvCUR_set(sv, 0); | |
463ee0b2 LW |
3700 | if (SvPVX(sv) != Nullch) |
3701 | *SvPVX(sv) = '\0'; | |
44a8e56a | 3702 | SvTAINT(sv); |
79072805 LW |
3703 | } |
3704 | if (GvAV(gv)) { | |
3705 | av_clear(GvAV(gv)); | |
3706 | } | |
44a8e56a | 3707 | if (GvHV(gv) && !HvNAME(GvHV(gv))) { |
463ee0b2 | 3708 | hv_clear(GvHV(gv)); |
a0d0e21e | 3709 | #ifndef VMS /* VMS has no environ array */ |
79072805 LW |
3710 | if (gv == envgv) |
3711 | environ[0] = Nullch; | |
a0d0e21e | 3712 | #endif |
79072805 LW |
3713 | } |
3714 | } | |
3715 | } | |
3716 | } | |
3717 | } | |
3718 | ||
46fc3d4c | 3719 | IO* |
8ac85365 | 3720 | sv_2io(SV *sv) |
46fc3d4c | 3721 | { |
3722 | IO* io; | |
3723 | GV* gv; | |
3724 | ||
3725 | switch (SvTYPE(sv)) { | |
3726 | case SVt_PVIO: | |
3727 | io = (IO*)sv; | |
3728 | break; | |
3729 | case SVt_PVGV: | |
3730 | gv = (GV*)sv; | |
3731 | io = GvIO(gv); | |
3732 | if (!io) | |
3733 | croak("Bad filehandle: %s", GvNAME(gv)); | |
3734 | break; | |
3735 | default: | |
3736 | if (!SvOK(sv)) | |
3737 | croak(no_usym, "filehandle"); | |
3738 | if (SvROK(sv)) | |
3739 | return sv_2io(SvRV(sv)); | |
3740 | gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO); | |
3741 | if (gv) | |
3742 | io = GvIO(gv); | |
3743 | else | |
3744 | io = 0; | |
3745 | if (!io) | |
3746 | croak("Bad filehandle: %s", SvPV(sv,na)); | |
3747 | break; | |
3748 | } | |
3749 | return io; | |
3750 | } | |
3751 | ||
79072805 | 3752 | CV * |
8ac85365 | 3753 | sv_2cv(SV *sv, HV **st, GV **gvp, I32 lref) |
79072805 LW |
3754 | { |
3755 | GV *gv; | |
3756 | CV *cv; | |
3757 | ||
3758 | if (!sv) | |
93a17b20 | 3759 | return *gvp = Nullgv, Nullcv; |
79072805 | 3760 | switch (SvTYPE(sv)) { |
79072805 LW |
3761 | case SVt_PVCV: |
3762 | *st = CvSTASH(sv); | |
3763 | *gvp = Nullgv; | |
3764 | return (CV*)sv; | |
3765 | case SVt_PVHV: | |
3766 | case SVt_PVAV: | |
3767 | *gvp = Nullgv; | |
3768 | return Nullcv; | |
8990e307 LW |
3769 | case SVt_PVGV: |
3770 | gv = (GV*)sv; | |
a0d0e21e | 3771 | *gvp = gv; |
8990e307 LW |
3772 | *st = GvESTASH(gv); |
3773 | goto fix_gv; | |
3774 | ||
79072805 | 3775 | default: |
a0d0e21e LW |
3776 | if (SvGMAGICAL(sv)) |
3777 | mg_get(sv); | |
3778 | if (SvROK(sv)) { | |
3779 | cv = (CV*)SvRV(sv); | |
3780 | if (SvTYPE(cv) != SVt_PVCV) | |
3781 | croak("Not a subroutine reference"); | |
3782 | *gvp = Nullgv; | |
3783 | *st = CvSTASH(cv); | |
3784 | return cv; | |
3785 | } | |
79072805 LW |
3786 | if (isGV(sv)) |
3787 | gv = (GV*)sv; | |
3788 | else | |
85e6fe83 | 3789 | gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV); |
79072805 LW |
3790 | *gvp = gv; |
3791 | if (!gv) | |
3792 | return Nullcv; | |
3793 | *st = GvESTASH(gv); | |
8990e307 | 3794 | fix_gv: |
8ebc5c01 | 3795 | if (lref && !GvCVu(gv)) { |
4633a7c4 | 3796 | SV *tmpsv; |
748a9306 | 3797 | ENTER; |
4633a7c4 | 3798 | tmpsv = NEWSV(704,0); |
16660edb | 3799 | gv_efullname3(tmpsv, gv, Nullch); |
774d564b | 3800 | newSUB(start_subparse(FALSE, 0), |
4633a7c4 LW |
3801 | newSVOP(OP_CONST, 0, tmpsv), |
3802 | Nullop, | |
8990e307 | 3803 | Nullop); |
748a9306 | 3804 | LEAVE; |
8ebc5c01 | 3805 | if (!GvCVu(gv)) |
4633a7c4 | 3806 | croak("Unable to create sub named \"%s\"", SvPV(sv,na)); |
8990e307 | 3807 | } |
8ebc5c01 | 3808 | return GvCVu(gv); |
79072805 LW |
3809 | } |
3810 | } | |
3811 | ||
79072805 | 3812 | I32 |
4e35701f | 3813 | sv_true(register SV *sv) |
79072805 | 3814 | { |
4e35701f | 3815 | dTHR; |
8990e307 LW |
3816 | if (!sv) |
3817 | return 0; | |
79072805 | 3818 | if (SvPOK(sv)) { |
4e35701f NIS |
3819 | register XPV* tXpv; |
3820 | if ((tXpv = (XPV*)SvANY(sv)) && | |
3821 | (*tXpv->xpv_pv > '0' || | |
3822 | tXpv->xpv_cur > 1 || | |
3823 | (tXpv->xpv_cur && *tXpv->xpv_pv != '0'))) | |
79072805 LW |
3824 | return 1; |
3825 | else | |
3826 | return 0; | |
3827 | } | |
3828 | else { | |
3829 | if (SvIOK(sv)) | |
463ee0b2 | 3830 | return SvIVX(sv) != 0; |
79072805 LW |
3831 | else { |
3832 | if (SvNOK(sv)) | |
463ee0b2 | 3833 | return SvNVX(sv) != 0.0; |
79072805 | 3834 | else |
463ee0b2 | 3835 | return sv_2bool(sv); |
79072805 LW |
3836 | } |
3837 | } | |
3838 | } | |
79072805 | 3839 | |
ff68c719 | 3840 | IV |
4e35701f | 3841 | sv_iv(register SV *sv) |
85e6fe83 | 3842 | { |
ff68c719 | 3843 | if (SvIOK(sv)) |
3844 | return SvIVX(sv); | |
3845 | return sv_2iv(sv); | |
85e6fe83 | 3846 | } |
85e6fe83 | 3847 | |
ff68c719 | 3848 | UV |
4e35701f | 3849 | sv_uv(register SV *sv) |
ff68c719 | 3850 | { |
3851 | if (SvIOK(sv)) | |
3852 | return SvUVX(sv); | |
3853 | return sv_2uv(sv); | |
3854 | } | |
85e6fe83 | 3855 | |
ff68c719 | 3856 | double |
4e35701f | 3857 | sv_nv(register SV *sv) |
79072805 | 3858 | { |
ff68c719 | 3859 | if (SvNOK(sv)) |
3860 | return SvNVX(sv); | |
3861 | return sv_2nv(sv); | |
79072805 | 3862 | } |
79072805 | 3863 | |
79072805 | 3864 | char * |
8ac85365 | 3865 | sv_pvn(SV *sv, STRLEN *lp) |
79072805 | 3866 | { |
85e6fe83 LW |
3867 | if (SvPOK(sv)) { |
3868 | *lp = SvCUR(sv); | |
a0d0e21e | 3869 | return SvPVX(sv); |
85e6fe83 | 3870 | } |
463ee0b2 | 3871 | return sv_2pv(sv, lp); |
79072805 | 3872 | } |
79072805 | 3873 | |
a0d0e21e | 3874 | char * |
8ac85365 | 3875 | sv_pvn_force(SV *sv, STRLEN *lp) |
a0d0e21e LW |
3876 | { |
3877 | char *s; | |
3878 | ||
0f15f207 MB |
3879 | if (SvREADONLY(sv)) { |
3880 | dTHR; | |
3881 | if (curcop != &compiling) | |
3882 | croak(no_modify); | |
3883 | } | |
a0d0e21e LW |
3884 | |
3885 | if (SvPOK(sv)) { | |
3886 | *lp = SvCUR(sv); | |
3887 | } | |
3888 | else { | |
748a9306 | 3889 | if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) { |
4633a7c4 | 3890 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) { |
a0d0e21e | 3891 | sv_unglob(sv); |
4633a7c4 LW |
3892 | s = SvPVX(sv); |
3893 | *lp = SvCUR(sv); | |
3894 | } | |
11343788 MB |
3895 | else { |
3896 | dTHR; | |
a0d0e21e LW |
3897 | croak("Can't coerce %s to string in %s", sv_reftype(sv,0), |
3898 | op_name[op->op_type]); | |
11343788 | 3899 | } |
a0d0e21e | 3900 | } |
4633a7c4 LW |
3901 | else |
3902 | s = sv_2pv(sv, lp); | |
a0d0e21e LW |
3903 | if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */ |
3904 | STRLEN len = *lp; | |
3905 | ||
3906 | if (SvROK(sv)) | |
3907 | sv_unref(sv); | |
3908 | (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */ | |
3909 | SvGROW(sv, len + 1); | |
3910 | Move(s,SvPVX(sv),len,char); | |
3911 | SvCUR_set(sv, len); | |
3912 | *SvEND(sv) = '\0'; | |
3913 | } | |
3914 | if (!SvPOK(sv)) { | |
3915 | SvPOK_on(sv); /* validate pointer */ | |
3916 | SvTAINT(sv); | |
760ac839 | 3917 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n", |
a0d0e21e LW |
3918 | (unsigned long)sv,SvPVX(sv))); |
3919 | } | |
3920 | } | |
3921 | return SvPVX(sv); | |
3922 | } | |
3923 | ||
3924 | char * | |
8ac85365 | 3925 | sv_reftype(SV *sv, int ob) |
a0d0e21e LW |
3926 | { |
3927 | if (ob && SvOBJECT(sv)) | |
3928 | return HvNAME(SvSTASH(sv)); | |
3929 | else { | |
3930 | switch (SvTYPE(sv)) { | |
3931 | case SVt_NULL: | |
3932 | case SVt_IV: | |
3933 | case SVt_NV: | |
3934 | case SVt_RV: | |
3935 | case SVt_PV: | |
3936 | case SVt_PVIV: | |
3937 | case SVt_PVNV: | |
3938 | case SVt_PVMG: | |
3939 | case SVt_PVBM: | |
3940 | if (SvROK(sv)) | |
3941 | return "REF"; | |
3942 | else | |
3943 | return "SCALAR"; | |
3944 | case SVt_PVLV: return "LVALUE"; | |
3945 | case SVt_PVAV: return "ARRAY"; | |
3946 | case SVt_PVHV: return "HASH"; | |
3947 | case SVt_PVCV: return "CODE"; | |
3948 | case SVt_PVGV: return "GLOB"; | |
3949 | case SVt_PVFM: return "FORMLINE"; | |
3950 | default: return "UNKNOWN"; | |
3951 | } | |
3952 | } | |
3953 | } | |
3954 | ||
463ee0b2 | 3955 | int |
8ac85365 | 3956 | sv_isobject(SV *sv) |
85e6fe83 | 3957 | { |
68dc0745 | 3958 | if (!sv) |
3959 | return 0; | |
3960 | if (SvGMAGICAL(sv)) | |
3961 | mg_get(sv); | |
85e6fe83 LW |
3962 | if (!SvROK(sv)) |
3963 | return 0; | |
3964 | sv = (SV*)SvRV(sv); | |
3965 | if (!SvOBJECT(sv)) | |
3966 | return 0; | |
3967 | return 1; | |
3968 | } | |
3969 | ||
3970 | int | |
8ac85365 | 3971 | sv_isa(SV *sv, char *name) |
463ee0b2 | 3972 | { |
68dc0745 | 3973 | if (!sv) |
3974 | return 0; | |
3975 | if (SvGMAGICAL(sv)) | |
3976 | mg_get(sv); | |
ed6116ce | 3977 | if (!SvROK(sv)) |
463ee0b2 | 3978 | return 0; |
ed6116ce LW |
3979 | sv = (SV*)SvRV(sv); |
3980 | if (!SvOBJECT(sv)) | |
463ee0b2 LW |
3981 | return 0; |
3982 | ||
3983 | return strEQ(HvNAME(SvSTASH(sv)), name); | |
3984 | } | |
3985 | ||
3986 | SV* | |
8ac85365 | 3987 | newSVrv(SV *rv, char *classname) |
463ee0b2 | 3988 | { |
11343788 | 3989 | dTHR; |
463ee0b2 LW |
3990 | SV *sv; |
3991 | ||
4561caa4 | 3992 | new_SV(sv); |
8990e307 | 3993 | SvANY(sv) = 0; |
a0d0e21e | 3994 | SvREFCNT(sv) = 0; |
8990e307 | 3995 | SvFLAGS(sv) = 0; |
51cf62d8 | 3996 | |
2213622d | 3997 | SV_CHECK_THINKFIRST(rv); |
51cf62d8 OT |
3998 | #ifdef OVERLOAD |
3999 | SvAMAGIC_off(rv); | |
4000 | #endif /* OVERLOAD */ | |
4001 | ||
4002 | if (SvTYPE(rv) < SVt_RV) | |
4003 | sv_upgrade(rv, SVt_RV); | |
4004 | ||
4005 | (void)SvOK_off(rv); | |
8990e307 | 4006 | SvRV(rv) = SvREFCNT_inc(sv); |
ed6116ce | 4007 | SvROK_on(rv); |
463ee0b2 | 4008 | |
a0d0e21e LW |
4009 | if (classname) { |
4010 | HV* stash = gv_stashpv(classname, TRUE); | |
4011 | (void)sv_bless(rv, stash); | |
4012 | } | |
4013 | return sv; | |
4014 | } | |
4015 | ||
4016 | SV* | |
8ac85365 | 4017 | sv_setref_pv(SV *rv, char *classname, void *pv) |
a0d0e21e | 4018 | { |
189b2af5 | 4019 | if (!pv) { |
a0d0e21e | 4020 | sv_setsv(rv, &sv_undef); |
189b2af5 GS |
4021 | SvSETMAGIC(rv); |
4022 | } | |
a0d0e21e LW |
4023 | else |
4024 | sv_setiv(newSVrv(rv,classname), (IV)pv); | |
4025 | return rv; | |
4026 | } | |
4027 | ||
4028 | SV* | |
8ac85365 | 4029 | sv_setref_iv(SV *rv, char *classname, IV iv) |
a0d0e21e LW |
4030 | { |
4031 | sv_setiv(newSVrv(rv,classname), iv); | |
4032 | return rv; | |
4033 | } | |
4034 | ||
4035 | SV* | |
8ac85365 | 4036 | sv_setref_nv(SV *rv, char *classname, double nv) |
a0d0e21e LW |
4037 | { |
4038 | sv_setnv(newSVrv(rv,classname), nv); | |
4039 | return rv; | |
4040 | } | |
463ee0b2 | 4041 | |
a0d0e21e | 4042 | SV* |
8ac85365 | 4043 | sv_setref_pvn(SV *rv, char *classname, char *pv, I32 n) |
a0d0e21e LW |
4044 | { |
4045 | sv_setpvn(newSVrv(rv,classname), pv, n); | |
463ee0b2 LW |
4046 | return rv; |
4047 | } | |
4048 | ||
a0d0e21e | 4049 | SV* |
8ac85365 | 4050 | sv_bless(SV *sv, HV *stash) |
a0d0e21e | 4051 | { |
11343788 | 4052 | dTHR; |
a0d0e21e LW |
4053 | SV *ref; |
4054 | if (!SvROK(sv)) | |
4055 | croak("Can't bless non-reference value"); | |
4056 | ref = SvRV(sv); | |
4057 | if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) { | |
4058 | if (SvREADONLY(ref)) | |
4059 | croak(no_modify); | |
2e3febc6 CS |
4060 | if (SvOBJECT(ref)) { |
4061 | if (SvTYPE(ref) != SVt_PVIO) | |
4062 | --sv_objcount; | |
4063 | SvREFCNT_dec(SvSTASH(ref)); | |
4064 | } | |
a0d0e21e LW |
4065 | } |
4066 | SvOBJECT_on(ref); | |
2e3febc6 CS |
4067 | if (SvTYPE(ref) != SVt_PVIO) |
4068 | ++sv_objcount; | |
a0d0e21e LW |
4069 | (void)SvUPGRADE(ref, SVt_PVMG); |
4070 | SvSTASH(ref) = (HV*)SvREFCNT_inc(stash); | |
4071 | ||
4072 | #ifdef OVERLOAD | |
2e3febc6 CS |
4073 | if (Gv_AMG(stash)) |
4074 | SvAMAGIC_on(sv); | |
4075 | else | |
4076 | SvAMAGIC_off(sv); | |
a0d0e21e LW |
4077 | #endif /* OVERLOAD */ |
4078 | ||
4079 | return sv; | |
4080 | } | |
4081 | ||
4082 | static void | |
8ac85365 | 4083 | sv_unglob(SV *sv) |
a0d0e21e LW |
4084 | { |
4085 | assert(SvTYPE(sv) == SVt_PVGV); | |
4086 | SvFAKE_off(sv); | |
4087 | if (GvGP(sv)) | |
1edc1566 | 4088 | gp_free((GV*)sv); |
a0d0e21e LW |
4089 | sv_unmagic(sv, '*'); |
4090 | Safefree(GvNAME(sv)); | |
a5f75d66 | 4091 | GvMULTI_off(sv); |
a0d0e21e LW |
4092 | SvFLAGS(sv) &= ~SVTYPEMASK; |
4093 | SvFLAGS(sv) |= SVt_PVMG; | |
4094 | } | |
4095 | ||
ed6116ce | 4096 | void |
8ac85365 | 4097 | sv_unref(SV *sv) |
ed6116ce | 4098 | { |
a0d0e21e LW |
4099 | SV* rv = SvRV(sv); |
4100 | ||
ed6116ce LW |
4101 | SvRV(sv) = 0; |
4102 | SvROK_off(sv); | |
4633a7c4 LW |
4103 | if (SvREFCNT(rv) != 1 || SvREADONLY(rv)) |
4104 | SvREFCNT_dec(rv); | |
8e07c86e | 4105 | else |
4633a7c4 | 4106 | sv_2mortal(rv); /* Schedule for freeing later */ |
ed6116ce | 4107 | } |
8990e307 | 4108 | |
bbce6d69 | 4109 | void |
8ac85365 | 4110 | sv_taint(SV *sv) |
bbce6d69 | 4111 | { |
4112 | sv_magic((sv), Nullsv, 't', Nullch, 0); | |
4113 | } | |
4114 | ||
4115 | void | |
8ac85365 | 4116 | sv_untaint(SV *sv) |
bbce6d69 | 4117 | { |
13f57bf8 | 4118 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4119 | MAGIC *mg = mg_find(sv, 't'); |
4120 | if (mg) | |
4121 | mg->mg_len &= ~1; | |
4122 | } | |
bbce6d69 | 4123 | } |
4124 | ||
4125 | bool | |
8ac85365 | 4126 | sv_tainted(SV *sv) |
bbce6d69 | 4127 | { |
13f57bf8 | 4128 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4129 | MAGIC *mg = mg_find(sv, 't'); |
4130 | if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv)) | |
4131 | return TRUE; | |
4132 | } | |
4133 | return FALSE; | |
bbce6d69 | 4134 | } |
4135 | ||
84902520 | 4136 | void |
8ac85365 | 4137 | sv_setpviv(SV *sv, IV iv) |
84902520 TB |
4138 | { |
4139 | STRLEN len; | |
4140 | char buf[TYPE_DIGITS(UV)]; | |
4141 | char *ptr = buf + sizeof(buf); | |
4142 | int sign; | |
4143 | UV uv; | |
4144 | char *p; | |
84902520 TB |
4145 | |
4146 | sv_setpvn(sv, "", 0); | |
4147 | if (iv >= 0) { | |
4148 | uv = iv; | |
4149 | sign = 0; | |
4150 | } else { | |
4151 | uv = -iv; | |
4152 | sign = 1; | |
4153 | } | |
4154 | do { | |
4155 | *--ptr = '0' + (uv % 10); | |
4156 | } while (uv /= 10); | |
4157 | len = (buf + sizeof(buf)) - ptr; | |
4158 | /* taking advantage of SvCUR(sv) == 0 */ | |
4159 | SvGROW(sv, sign + len + 1); | |
4160 | p = SvPVX(sv); | |
4161 | if (sign) | |
4162 | *p++ = '-'; | |
4163 | memcpy(p, ptr, len); | |
4164 | p += len; | |
4165 | *p = '\0'; | |
4166 | SvCUR(sv) = p - SvPVX(sv); | |
4167 | } | |
4168 | ||
ef50df4b GS |
4169 | |
4170 | void | |
4171 | sv_setpviv_mg(SV *sv, IV iv) | |
4172 | { | |
4173 | sv_setpviv(sv,iv); | |
4174 | SvSETMAGIC(sv); | |
4175 | } | |
4176 | ||
46fc3d4c | 4177 | #ifdef I_STDARG |
4178 | void | |
4179 | sv_setpvf(SV *sv, const char* pat, ...) | |
4180 | #else | |
4181 | /*VARARGS0*/ | |
4182 | void | |
4183 | sv_setpvf(sv, pat, va_alist) | |
4184 | SV *sv; | |
4185 | const char *pat; | |
4186 | va_dcl | |
4187 | #endif | |
4188 | { | |
4189 | va_list args; | |
4190 | #ifdef I_STDARG | |
4191 | va_start(args, pat); | |
4192 | #else | |
4193 | va_start(args); | |
4194 | #endif | |
fc36a67e | 4195 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4196 | va_end(args); |
4197 | } | |
4198 | ||
ef50df4b GS |
4199 | |
4200 | #ifdef I_STDARG | |
4201 | void | |
4202 | sv_setpvf_mg(SV *sv, const char* pat, ...) | |
4203 | #else | |
4204 | /*VARARGS0*/ | |
4205 | void | |
4206 | sv_setpvf_mg(sv, pat, va_alist) | |
4207 | SV *sv; | |
4208 | const char *pat; | |
4209 | va_dcl | |
4210 | #endif | |
4211 | { | |
4212 | va_list args; | |
4213 | #ifdef I_STDARG | |
4214 | va_start(args, pat); | |
4215 | #else | |
4216 | va_start(args); | |
4217 | #endif | |
4218 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); | |
4219 | va_end(args); | |
4220 | SvSETMAGIC(sv); | |
4221 | } | |
4222 | ||
46fc3d4c | 4223 | #ifdef I_STDARG |
4224 | void | |
4225 | sv_catpvf(SV *sv, const char* pat, ...) | |
4226 | #else | |
4227 | /*VARARGS0*/ | |
4228 | void | |
4229 | sv_catpvf(sv, pat, va_alist) | |
4230 | SV *sv; | |
4231 | const char *pat; | |
4232 | va_dcl | |
4233 | #endif | |
4234 | { | |
4235 | va_list args; | |
4236 | #ifdef I_STDARG | |
4237 | va_start(args, pat); | |
4238 | #else | |
4239 | va_start(args); | |
4240 | #endif | |
fc36a67e | 4241 | sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4242 | va_end(args); |
4243 | } | |
4244 | ||
ef50df4b GS |
4245 | #ifdef I_STDARG |
4246 | void | |
4247 | sv_catpvf_mg(SV *sv, const char* pat, ...) | |
4248 | #else | |
4249 | /*VARARGS0*/ | |
4250 | void | |
4251 | sv_catpvf_mg(sv, pat, va_alist) | |
4252 | SV *sv; | |
4253 | const char *pat; | |
4254 | va_dcl | |
4255 | #endif | |
4256 | { | |
4257 | va_list args; | |
4258 | #ifdef I_STDARG | |
4259 | va_start(args, pat); | |
4260 | #else | |
4261 | va_start(args); | |
4262 | #endif | |
4263 | sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); | |
4264 | va_end(args); | |
4265 | SvSETMAGIC(sv); | |
4266 | } | |
4267 | ||
46fc3d4c | 4268 | void |
ad8d18a8 | 4269 | sv_vsetpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale) |
46fc3d4c | 4270 | { |
4271 | sv_setpvn(sv, "", 0); | |
4272 | sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale); | |
4273 | } | |
4274 | ||
4275 | void | |
ad8d18a8 | 4276 | sv_vcatpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale) |
46fc3d4c | 4277 | { |
e858de61 | 4278 | dTHR; |
46fc3d4c | 4279 | char *p; |
4280 | char *q; | |
4281 | char *patend; | |
fc36a67e | 4282 | STRLEN origlen; |
46fc3d4c | 4283 | I32 svix = 0; |
c635e13b | 4284 | static char nullstr[] = "(null)"; |
46fc3d4c | 4285 | |
4286 | /* no matter what, this is a string now */ | |
fc36a67e | 4287 | (void)SvPV_force(sv, origlen); |
46fc3d4c | 4288 | |
fc36a67e | 4289 | /* special-case "", "%s", and "%_" */ |
46fc3d4c | 4290 | if (patlen == 0) |
4291 | return; | |
fc36a67e | 4292 | if (patlen == 2 && pat[0] == '%') { |
4293 | switch (pat[1]) { | |
4294 | case 's': | |
c635e13b | 4295 | if (args) { |
4296 | char *s = va_arg(*args, char*); | |
4297 | sv_catpv(sv, s ? s : nullstr); | |
4298 | } | |
fc36a67e | 4299 | else if (svix < svmax) |
4300 | sv_catsv(sv, *svargs); | |
4301 | return; | |
4302 | case '_': | |
4303 | if (args) { | |
4304 | sv_catsv(sv, va_arg(*args, SV*)); | |
4305 | return; | |
4306 | } | |
4307 | /* See comment on '_' below */ | |
4308 | break; | |
4309 | } | |
46fc3d4c | 4310 | } |
4311 | ||
4312 | patend = (char*)pat + patlen; | |
4313 | for (p = (char*)pat; p < patend; p = q) { | |
4314 | bool alt = FALSE; | |
4315 | bool left = FALSE; | |
4316 | char fill = ' '; | |
4317 | char plus = 0; | |
4318 | char intsize = 0; | |
4319 | STRLEN width = 0; | |
fc36a67e | 4320 | STRLEN zeros = 0; |
46fc3d4c | 4321 | bool has_precis = FALSE; |
4322 | STRLEN precis = 0; | |
4323 | ||
4324 | char esignbuf[4]; | |
4325 | STRLEN esignlen = 0; | |
4326 | ||
4327 | char *eptr = Nullch; | |
fc36a67e | 4328 | STRLEN elen = 0; |
4329 | char ebuf[TYPE_DIGITS(int) * 2 + 16]; /* large enough for "%#.#f" */ | |
46fc3d4c | 4330 | |
4331 | static char *efloatbuf = Nullch; | |
4332 | static STRLEN efloatsize = 0; | |
4333 | ||
4334 | char c; | |
4335 | int i; | |
4336 | unsigned base; | |
4337 | IV iv; | |
4338 | UV uv; | |
4339 | double nv; | |
4340 | STRLEN have; | |
4341 | STRLEN need; | |
4342 | STRLEN gap; | |
4343 | ||
4344 | for (q = p; q < patend && *q != '%'; ++q) ; | |
4345 | if (q > p) { | |
4346 | sv_catpvn(sv, p, q - p); | |
4347 | p = q; | |
4348 | } | |
4349 | if (q++ >= patend) | |
4350 | break; | |
4351 | ||
fc36a67e | 4352 | /* FLAGS */ |
4353 | ||
46fc3d4c | 4354 | while (*q) { |
4355 | switch (*q) { | |
4356 | case ' ': | |
4357 | case '+': | |
4358 | plus = *q++; | |
4359 | continue; | |
4360 | ||
4361 | case '-': | |
4362 | left = TRUE; | |
4363 | q++; | |
4364 | continue; | |
4365 | ||
4366 | case '0': | |
4367 | fill = *q++; | |
4368 | continue; | |
4369 | ||
4370 | case '#': | |
4371 | alt = TRUE; | |
4372 | q++; | |
4373 | continue; | |
4374 | ||
fc36a67e | 4375 | default: |
4376 | break; | |
4377 | } | |
4378 | break; | |
4379 | } | |
46fc3d4c | 4380 | |
fc36a67e | 4381 | /* WIDTH */ |
4382 | ||
4383 | switch (*q) { | |
4384 | case '1': case '2': case '3': | |
4385 | case '4': case '5': case '6': | |
4386 | case '7': case '8': case '9': | |
4387 | width = 0; | |
4388 | while (isDIGIT(*q)) | |
4389 | width = width * 10 + (*q++ - '0'); | |
4390 | break; | |
4391 | ||
4392 | case '*': | |
4393 | if (args) | |
4394 | i = va_arg(*args, int); | |
4395 | else | |
4396 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4397 | left |= (i < 0); | |
4398 | width = (i < 0) ? -i : i; | |
4399 | q++; | |
4400 | break; | |
4401 | } | |
4402 | ||
4403 | /* PRECISION */ | |
46fc3d4c | 4404 | |
fc36a67e | 4405 | if (*q == '.') { |
4406 | q++; | |
4407 | if (*q == '*') { | |
46fc3d4c | 4408 | if (args) |
4409 | i = va_arg(*args, int); | |
4410 | else | |
4411 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
fc36a67e | 4412 | precis = (i < 0) ? 0 : i; |
46fc3d4c | 4413 | q++; |
fc36a67e | 4414 | } |
4415 | else { | |
4416 | precis = 0; | |
4417 | while (isDIGIT(*q)) | |
4418 | precis = precis * 10 + (*q++ - '0'); | |
4419 | } | |
4420 | has_precis = TRUE; | |
4421 | } | |
46fc3d4c | 4422 | |
fc36a67e | 4423 | /* SIZE */ |
46fc3d4c | 4424 | |
fc36a67e | 4425 | switch (*q) { |
4426 | case 'l': | |
4427 | #if 0 /* when quads have better support within Perl */ | |
4428 | if (*(q + 1) == 'l') { | |
4429 | intsize = 'q'; | |
4430 | q += 2; | |
46fc3d4c | 4431 | break; |
4432 | } | |
fc36a67e | 4433 | #endif |
4434 | /* FALL THROUGH */ | |
4435 | case 'h': | |
4436 | case 'V': | |
4437 | intsize = *q++; | |
46fc3d4c | 4438 | break; |
4439 | } | |
4440 | ||
fc36a67e | 4441 | /* CONVERSION */ |
4442 | ||
46fc3d4c | 4443 | switch (c = *q++) { |
4444 | ||
4445 | /* STRINGS */ | |
4446 | ||
4447 | case '%': | |
4448 | eptr = q - 1; | |
4449 | elen = 1; | |
4450 | goto string; | |
4451 | ||
4452 | case 'c': | |
4453 | if (args) | |
4454 | c = va_arg(*args, int); | |
4455 | else | |
4456 | c = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4457 | eptr = &c; | |
4458 | elen = 1; | |
4459 | goto string; | |
4460 | ||
46fc3d4c | 4461 | case 's': |
4462 | if (args) { | |
fc36a67e | 4463 | eptr = va_arg(*args, char*); |
c635e13b | 4464 | if (eptr) |
4465 | elen = strlen(eptr); | |
4466 | else { | |
4467 | eptr = nullstr; | |
4468 | elen = sizeof nullstr - 1; | |
4469 | } | |
46fc3d4c | 4470 | } |
4471 | else if (svix < svmax) | |
4472 | eptr = SvPVx(svargs[svix++], elen); | |
4473 | goto string; | |
4474 | ||
fc36a67e | 4475 | case '_': |
4476 | /* | |
4477 | * The "%_" hack might have to be changed someday, | |
4478 | * if ISO or ANSI decide to use '_' for something. | |
4479 | * So we keep it hidden from users' code. | |
4480 | */ | |
4481 | if (!args) | |
4482 | goto unknown; | |
4483 | eptr = SvPVx(va_arg(*args, SV*), elen); | |
4484 | ||
46fc3d4c | 4485 | string: |
4486 | if (has_precis && elen > precis) | |
4487 | elen = precis; | |
4488 | break; | |
4489 | ||
4490 | /* INTEGERS */ | |
4491 | ||
fc36a67e | 4492 | case 'p': |
4493 | if (args) | |
4494 | uv = (UV)va_arg(*args, void*); | |
4495 | else | |
4496 | uv = (svix < svmax) ? (UV)svargs[svix++] : 0; | |
4497 | base = 16; | |
4498 | goto integer; | |
4499 | ||
46fc3d4c | 4500 | case 'D': |
4501 | intsize = 'l'; | |
4502 | /* FALL THROUGH */ | |
4503 | case 'd': | |
4504 | case 'i': | |
4505 | if (args) { | |
4506 | switch (intsize) { | |
4507 | case 'h': iv = (short)va_arg(*args, int); break; | |
4508 | default: iv = va_arg(*args, int); break; | |
4509 | case 'l': iv = va_arg(*args, long); break; | |
fc36a67e | 4510 | case 'V': iv = va_arg(*args, IV); break; |
46fc3d4c | 4511 | } |
4512 | } | |
4513 | else { | |
4514 | iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4515 | switch (intsize) { | |
4516 | case 'h': iv = (short)iv; break; | |
4517 | default: iv = (int)iv; break; | |
4518 | case 'l': iv = (long)iv; break; | |
fc36a67e | 4519 | case 'V': break; |
46fc3d4c | 4520 | } |
4521 | } | |
4522 | if (iv >= 0) { | |
4523 | uv = iv; | |
4524 | if (plus) | |
4525 | esignbuf[esignlen++] = plus; | |
4526 | } | |
4527 | else { | |
4528 | uv = -iv; | |
4529 | esignbuf[esignlen++] = '-'; | |
4530 | } | |
4531 | base = 10; | |
4532 | goto integer; | |
4533 | ||
fc36a67e | 4534 | case 'U': |
4535 | intsize = 'l'; | |
4536 | /* FALL THROUGH */ | |
4537 | case 'u': | |
4538 | base = 10; | |
4539 | goto uns_integer; | |
4540 | ||
46fc3d4c | 4541 | case 'O': |
4542 | intsize = 'l'; | |
4543 | /* FALL THROUGH */ | |
4544 | case 'o': | |
4545 | base = 8; | |
4546 | goto uns_integer; | |
4547 | ||
4548 | case 'X': | |
46fc3d4c | 4549 | case 'x': |
4550 | base = 16; | |
46fc3d4c | 4551 | |
4552 | uns_integer: | |
4553 | if (args) { | |
4554 | switch (intsize) { | |
4555 | case 'h': uv = (unsigned short)va_arg(*args, unsigned); break; | |
4556 | default: uv = va_arg(*args, unsigned); break; | |
4557 | case 'l': uv = va_arg(*args, unsigned long); break; | |
fc36a67e | 4558 | case 'V': uv = va_arg(*args, UV); break; |
46fc3d4c | 4559 | } |
4560 | } | |
4561 | else { | |
4562 | uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0; | |
4563 | switch (intsize) { | |
4564 | case 'h': uv = (unsigned short)uv; break; | |
4565 | default: uv = (unsigned)uv; break; | |
4566 | case 'l': uv = (unsigned long)uv; break; | |
fc36a67e | 4567 | case 'V': break; |
46fc3d4c | 4568 | } |
4569 | } | |
4570 | ||
4571 | integer: | |
46fc3d4c | 4572 | eptr = ebuf + sizeof ebuf; |
fc36a67e | 4573 | switch (base) { |
4574 | unsigned dig; | |
4575 | case 16: | |
c10ed8b9 HS |
4576 | if (!uv) |
4577 | alt = FALSE; | |
fc36a67e | 4578 | p = (c == 'X') ? "0123456789ABCDEF" : "0123456789abcdef"; |
4579 | do { | |
4580 | dig = uv & 15; | |
4581 | *--eptr = p[dig]; | |
4582 | } while (uv >>= 4); | |
4583 | if (alt) { | |
46fc3d4c | 4584 | esignbuf[esignlen++] = '0'; |
fc36a67e | 4585 | esignbuf[esignlen++] = c; /* 'x' or 'X' */ |
46fc3d4c | 4586 | } |
fc36a67e | 4587 | break; |
4588 | case 8: | |
4589 | do { | |
4590 | dig = uv & 7; | |
4591 | *--eptr = '0' + dig; | |
4592 | } while (uv >>= 3); | |
4593 | if (alt && *eptr != '0') | |
4594 | *--eptr = '0'; | |
4595 | break; | |
4596 | default: /* it had better be ten or less */ | |
4597 | do { | |
4598 | dig = uv % base; | |
4599 | *--eptr = '0' + dig; | |
4600 | } while (uv /= base); | |
4601 | break; | |
46fc3d4c | 4602 | } |
4603 | elen = (ebuf + sizeof ebuf) - eptr; | |
c10ed8b9 HS |
4604 | if (has_precis) { |
4605 | if (precis > elen) | |
4606 | zeros = precis - elen; | |
4607 | else if (precis == 0 && elen == 1 && *eptr == '0') | |
4608 | elen = 0; | |
4609 | } | |
46fc3d4c | 4610 | break; |
4611 | ||
4612 | /* FLOATING POINT */ | |
4613 | ||
fc36a67e | 4614 | case 'F': |
4615 | c = 'f'; /* maybe %F isn't supported here */ | |
4616 | /* FALL THROUGH */ | |
46fc3d4c | 4617 | case 'e': case 'E': |
fc36a67e | 4618 | case 'f': |
46fc3d4c | 4619 | case 'g': case 'G': |
4620 | ||
4621 | /* This is evil, but floating point is even more evil */ | |
4622 | ||
fc36a67e | 4623 | if (args) |
4624 | nv = va_arg(*args, double); | |
4625 | else | |
4626 | nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0; | |
4627 | ||
4628 | need = 0; | |
4629 | if (c != 'e' && c != 'E') { | |
4630 | i = PERL_INT_MIN; | |
4631 | (void)frexp(nv, &i); | |
4632 | if (i == PERL_INT_MIN) | |
c635e13b | 4633 | die("panic: frexp"); |
4634 | if (i > 0) | |
fc36a67e | 4635 | need = BIT_DIGITS(i); |
4636 | } | |
4637 | need += has_precis ? precis : 6; /* known default */ | |
4638 | if (need < width) | |
4639 | need = width; | |
4640 | ||
46fc3d4c | 4641 | need += 20; /* fudge factor */ |
4642 | if (efloatsize < need) { | |
4643 | Safefree(efloatbuf); | |
4644 | efloatsize = need + 20; /* more fudge */ | |
4645 | New(906, efloatbuf, efloatsize, char); | |
4646 | } | |
4647 | ||
4648 | eptr = ebuf + sizeof ebuf; | |
4649 | *--eptr = '\0'; | |
4650 | *--eptr = c; | |
4651 | if (has_precis) { | |
4652 | base = precis; | |
4653 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4654 | *--eptr = '.'; | |
4655 | } | |
4656 | if (width) { | |
4657 | base = width; | |
4658 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4659 | } | |
4660 | if (fill == '0') | |
4661 | *--eptr = fill; | |
84902520 TB |
4662 | if (left) |
4663 | *--eptr = '-'; | |
46fc3d4c | 4664 | if (plus) |
4665 | *--eptr = plus; | |
4666 | if (alt) | |
4667 | *--eptr = '#'; | |
4668 | *--eptr = '%'; | |
4669 | ||
46fc3d4c | 4670 | (void)sprintf(efloatbuf, eptr, nv); |
4671 | ||
4672 | eptr = efloatbuf; | |
4673 | elen = strlen(efloatbuf); | |
4674 | ||
4675 | #ifdef LC_NUMERIC | |
4676 | /* | |
4677 | * User-defined locales may include arbitrary characters. | |
4678 | * And, unfortunately, some system may alloc the "C" locale | |
4679 | * to be overridden by a malicious user. | |
4680 | */ | |
4681 | if (used_locale) | |
4682 | *used_locale = TRUE; | |
4683 | #endif /* LC_NUMERIC */ | |
4684 | ||
4685 | break; | |
4686 | ||
fc36a67e | 4687 | /* SPECIAL */ |
4688 | ||
4689 | case 'n': | |
4690 | i = SvCUR(sv) - origlen; | |
4691 | if (args) { | |
c635e13b | 4692 | switch (intsize) { |
4693 | case 'h': *(va_arg(*args, short*)) = i; break; | |
4694 | default: *(va_arg(*args, int*)) = i; break; | |
4695 | case 'l': *(va_arg(*args, long*)) = i; break; | |
4696 | case 'V': *(va_arg(*args, IV*)) = i; break; | |
4697 | } | |
fc36a67e | 4698 | } |
4699 | else if (svix < svmax) | |
4700 | sv_setuv(svargs[svix++], (UV)i); | |
4701 | continue; /* not "break" */ | |
4702 | ||
4703 | /* UNKNOWN */ | |
4704 | ||
46fc3d4c | 4705 | default: |
fc36a67e | 4706 | unknown: |
c635e13b | 4707 | if (!args && dowarn && |
4708 | (op->op_type == OP_PRTF || op->op_type == OP_SPRINTF)) { | |
4709 | SV *msg = sv_newmortal(); | |
4710 | sv_setpvf(msg, "Invalid conversion in %s: ", | |
4711 | (op->op_type == OP_PRTF) ? "printf" : "sprintf"); | |
4712 | if (c) | |
4713 | sv_catpvf(msg, isPRINT(c) ? "\"%%%c\"" : "\"%%\\%03o\"", | |
4714 | c & 0xFF); | |
4715 | else | |
4716 | sv_catpv(msg, "end of string"); | |
4717 | warn("%_", msg); /* yes, this is reentrant */ | |
4718 | } | |
fb73857a | 4719 | |
4720 | /* output mangled stuff ... */ | |
4721 | if (c == '\0') | |
4722 | --q; | |
46fc3d4c | 4723 | eptr = p; |
4724 | elen = q - p; | |
fb73857a | 4725 | |
4726 | /* ... right here, because formatting flags should not apply */ | |
4727 | SvGROW(sv, SvCUR(sv) + elen + 1); | |
4728 | p = SvEND(sv); | |
4729 | memcpy(p, eptr, elen); | |
4730 | p += elen; | |
4731 | *p = '\0'; | |
4732 | SvCUR(sv) = p - SvPVX(sv); | |
4733 | continue; /* not "break" */ | |
46fc3d4c | 4734 | } |
4735 | ||
fc36a67e | 4736 | have = esignlen + zeros + elen; |
46fc3d4c | 4737 | need = (have > width ? have : width); |
4738 | gap = need - have; | |
4739 | ||
7bc39d62 | 4740 | SvGROW(sv, SvCUR(sv) + need + 1); |
46fc3d4c | 4741 | p = SvEND(sv); |
4742 | if (esignlen && fill == '0') { | |
4743 | for (i = 0; i < esignlen; i++) | |
4744 | *p++ = esignbuf[i]; | |
4745 | } | |
4746 | if (gap && !left) { | |
4747 | memset(p, fill, gap); | |
4748 | p += gap; | |
4749 | } | |
4750 | if (esignlen && fill != '0') { | |
4751 | for (i = 0; i < esignlen; i++) | |
4752 | *p++ = esignbuf[i]; | |
4753 | } | |
fc36a67e | 4754 | if (zeros) { |
4755 | for (i = zeros; i; i--) | |
4756 | *p++ = '0'; | |
4757 | } | |
46fc3d4c | 4758 | if (elen) { |
4759 | memcpy(p, eptr, elen); | |
4760 | p += elen; | |
4761 | } | |
4762 | if (gap && left) { | |
4763 | memset(p, ' ', gap); | |
4764 | p += gap; | |
4765 | } | |
4766 | *p = '\0'; | |
4767 | SvCUR(sv) = p - SvPVX(sv); | |
4768 | } | |
4769 | } | |
4770 | ||
8990e307 LW |
4771 | #ifdef DEBUGGING |
4772 | void | |
8ac85365 | 4773 | sv_dump(SV *sv) |
8990e307 | 4774 | { |
46fc3d4c | 4775 | SV *d = sv_newmortal(); |
4776 | char *s; | |
8990e307 LW |
4777 | U32 flags; |
4778 | U32 type; | |
4779 | ||
4780 | if (!sv) { | |
760ac839 | 4781 | PerlIO_printf(Perl_debug_log, "SV = 0\n"); |
8990e307 LW |
4782 | return; |
4783 | } | |
4784 | ||
4785 | flags = SvFLAGS(sv); | |
4786 | type = SvTYPE(sv); | |
4787 | ||
46fc3d4c | 4788 | sv_setpvf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (", |
4789 | (unsigned long)SvANY(sv), (long)SvREFCNT(sv)); | |
4790 | if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,"); | |
4791 | if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,"); | |
4792 | if (flags & SVs_PADMY) sv_catpv(d, "PADMY,"); | |
4793 | if (flags & SVs_TEMP) sv_catpv(d, "TEMP,"); | |
4794 | if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,"); | |
4795 | if (flags & SVs_GMG) sv_catpv(d, "GMG,"); | |
4796 | if (flags & SVs_SMG) sv_catpv(d, "SMG,"); | |
4797 | if (flags & SVs_RMG) sv_catpv(d, "RMG,"); | |
4798 | ||
4799 | if (flags & SVf_IOK) sv_catpv(d, "IOK,"); | |
4800 | if (flags & SVf_NOK) sv_catpv(d, "NOK,"); | |
4801 | if (flags & SVf_POK) sv_catpv(d, "POK,"); | |
4802 | if (flags & SVf_ROK) sv_catpv(d, "ROK,"); | |
4803 | if (flags & SVf_OOK) sv_catpv(d, "OOK,"); | |
4804 | if (flags & SVf_FAKE) sv_catpv(d, "FAKE,"); | |
4805 | if (flags & SVf_READONLY) sv_catpv(d, "READONLY,"); | |
8990e307 | 4806 | |
1edc1566 | 4807 | #ifdef OVERLOAD |
46fc3d4c | 4808 | if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,"); |
1edc1566 | 4809 | #endif /* OVERLOAD */ |
46fc3d4c | 4810 | if (flags & SVp_IOK) sv_catpv(d, "pIOK,"); |
4811 | if (flags & SVp_NOK) sv_catpv(d, "pNOK,"); | |
4812 | if (flags & SVp_POK) sv_catpv(d, "pPOK,"); | |
4813 | if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,"); | |
1edc1566 | 4814 | |
4815 | switch (type) { | |
4816 | case SVt_PVCV: | |
774d564b | 4817 | case SVt_PVFM: |
46fc3d4c | 4818 | if (CvANON(sv)) sv_catpv(d, "ANON,"); |
4819 | if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,"); | |
4820 | if (CvCLONE(sv)) sv_catpv(d, "CLONE,"); | |
4821 | if (CvCLONED(sv)) sv_catpv(d, "CLONED,"); | |
4822 | if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,"); | |
4823 | break; | |
55497cff | 4824 | case SVt_PVHV: |
46fc3d4c | 4825 | if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,"); |
4826 | if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,"); | |
4827 | break; | |
1edc1566 | 4828 | case SVt_PVGV: |
46fc3d4c | 4829 | if (GvINTRO(sv)) sv_catpv(d, "INTRO,"); |
4830 | if (GvMULTI(sv)) sv_catpv(d, "MULTI,"); | |
4831 | if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,"); | |
4832 | if (GvIMPORTED(sv)) { | |
4833 | sv_catpv(d, "IMPORT"); | |
4834 | if (GvIMPORTED(sv) == GVf_IMPORTED) | |
4835 | sv_catpv(d, "ALL,"); | |
4836 | else { | |
4837 | sv_catpv(d, "("); | |
4838 | if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV"); | |
4839 | if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV"); | |
4840 | if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV"); | |
4841 | if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV"); | |
4842 | sv_catpv(d, " ),"); | |
4843 | } | |
4844 | } | |
c277df42 IZ |
4845 | case SVt_PVBM: |
4846 | if (SvTAIL(sv)) sv_catpv(d, "TAIL,"); | |
4847 | if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,"); | |
4848 | break; | |
1edc1566 | 4849 | } |
4850 | ||
46fc3d4c | 4851 | if (*(SvEND(d) - 1) == ',') |
4852 | SvPVX(d)[--SvCUR(d)] = '\0'; | |
4853 | sv_catpv(d, ")"); | |
4854 | s = SvPVX(d); | |
8990e307 | 4855 | |
760ac839 | 4856 | PerlIO_printf(Perl_debug_log, "SV = "); |
8990e307 LW |
4857 | switch (type) { |
4858 | case SVt_NULL: | |
46fc3d4c | 4859 | PerlIO_printf(Perl_debug_log, "NULL%s\n", s); |
8990e307 LW |
4860 | return; |
4861 | case SVt_IV: | |
46fc3d4c | 4862 | PerlIO_printf(Perl_debug_log, "IV%s\n", s); |
8990e307 LW |
4863 | break; |
4864 | case SVt_NV: | |
46fc3d4c | 4865 | PerlIO_printf(Perl_debug_log, "NV%s\n", s); |
8990e307 LW |
4866 | break; |
4867 | case SVt_RV: | |
46fc3d4c | 4868 | PerlIO_printf(Perl_debug_log, "RV%s\n", s); |
8990e307 LW |
4869 | break; |
4870 | case SVt_PV: | |
46fc3d4c | 4871 | PerlIO_printf(Perl_debug_log, "PV%s\n", s); |
8990e307 LW |
4872 | break; |
4873 | case SVt_PVIV: | |
46fc3d4c | 4874 | PerlIO_printf(Perl_debug_log, "PVIV%s\n", s); |
8990e307 LW |
4875 | break; |
4876 | case SVt_PVNV: | |
46fc3d4c | 4877 | PerlIO_printf(Perl_debug_log, "PVNV%s\n", s); |
8990e307 LW |
4878 | break; |
4879 | case SVt_PVBM: | |
46fc3d4c | 4880 | PerlIO_printf(Perl_debug_log, "PVBM%s\n", s); |
8990e307 LW |
4881 | break; |
4882 | case SVt_PVMG: | |
46fc3d4c | 4883 | PerlIO_printf(Perl_debug_log, "PVMG%s\n", s); |
8990e307 LW |
4884 | break; |
4885 | case SVt_PVLV: | |
46fc3d4c | 4886 | PerlIO_printf(Perl_debug_log, "PVLV%s\n", s); |
8990e307 LW |
4887 | break; |
4888 | case SVt_PVAV: | |
46fc3d4c | 4889 | PerlIO_printf(Perl_debug_log, "PVAV%s\n", s); |
8990e307 LW |
4890 | break; |
4891 | case SVt_PVHV: | |
46fc3d4c | 4892 | PerlIO_printf(Perl_debug_log, "PVHV%s\n", s); |
8990e307 LW |
4893 | break; |
4894 | case SVt_PVCV: | |
46fc3d4c | 4895 | PerlIO_printf(Perl_debug_log, "PVCV%s\n", s); |
8990e307 LW |
4896 | break; |
4897 | case SVt_PVGV: | |
46fc3d4c | 4898 | PerlIO_printf(Perl_debug_log, "PVGV%s\n", s); |
8990e307 LW |
4899 | break; |
4900 | case SVt_PVFM: | |
46fc3d4c | 4901 | PerlIO_printf(Perl_debug_log, "PVFM%s\n", s); |
8990e307 LW |
4902 | break; |
4903 | case SVt_PVIO: | |
46fc3d4c | 4904 | PerlIO_printf(Perl_debug_log, "PVIO%s\n", s); |
8990e307 LW |
4905 | break; |
4906 | default: | |
46fc3d4c | 4907 | PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", s); |
8990e307 LW |
4908 | return; |
4909 | } | |
4910 | if (type >= SVt_PVIV || type == SVt_IV) | |
760ac839 | 4911 | PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv)); |
bbce6d69 | 4912 | if (type >= SVt_PVNV || type == SVt_NV) { |
36477c24 | 4913 | SET_NUMERIC_STANDARD(); |
760ac839 | 4914 | PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv)); |
bbce6d69 | 4915 | } |
8990e307 | 4916 | if (SvROK(sv)) { |
760ac839 | 4917 | PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv)); |
8990e307 LW |
4918 | sv_dump(SvRV(sv)); |
4919 | return; | |
4920 | } | |
4921 | if (type < SVt_PV) | |
4922 | return; | |
4923 | if (type <= SVt_PVLV) { | |
4924 | if (SvPVX(sv)) | |
760ac839 | 4925 | PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n", |
a0d0e21e | 4926 | (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv)); |
8990e307 | 4927 | else |
760ac839 | 4928 | PerlIO_printf(Perl_debug_log, " PV = 0\n"); |
8990e307 LW |
4929 | } |
4930 | if (type >= SVt_PVMG) { | |
4931 | if (SvMAGIC(sv)) { | |
760ac839 | 4932 | PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv)); |
8990e307 LW |
4933 | } |
4934 | if (SvSTASH(sv)) | |
760ac839 | 4935 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv))); |
8990e307 LW |
4936 | } |
4937 | switch (type) { | |
4938 | case SVt_PVLV: | |
760ac839 LW |
4939 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv)); |
4940 | PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv)); | |
4941 | PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv)); | |
4942 | PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv)); | |
8990e307 LW |
4943 | sv_dump(LvTARG(sv)); |
4944 | break; | |
4945 | case SVt_PVAV: | |
760ac839 LW |
4946 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv)); |
4947 | PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv)); | |
93965878 | 4948 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILLp(sv)); |
760ac839 LW |
4949 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv)); |
4950 | PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv)); | |
4633a7c4 | 4951 | flags = AvFLAGS(sv); |
46fc3d4c | 4952 | sv_setpv(d, ""); |
4953 | if (flags & AVf_REAL) sv_catpv(d, ",REAL"); | |
4954 | if (flags & AVf_REIFY) sv_catpv(d, ",REIFY"); | |
4955 | if (flags & AVf_REUSED) sv_catpv(d, ",REUSED"); | |
4956 | PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", | |
4957 | SvCUR(d) ? SvPVX(d) + 1 : ""); | |
8990e307 LW |
4958 | break; |
4959 | case SVt_PVHV: | |
760ac839 LW |
4960 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv)); |
4961 | PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv)); | |
4962 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv)); | |
4963 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv)); | |
4964 | PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv)); | |
4965 | PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv)); | |
8990e307 | 4966 | if (HvPMROOT(sv)) |
760ac839 | 4967 | PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv)); |
8990e307 | 4968 | if (HvNAME(sv)) |
760ac839 | 4969 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv)); |
8990e307 | 4970 | break; |
8990e307 | 4971 | case SVt_PVCV: |
1edc1566 | 4972 | if (SvPOK(sv)) |
760ac839 | 4973 | PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na)); |
fa83b5b6 | 4974 | /* FALL THROUGH */ |
4975 | case SVt_PVFM: | |
760ac839 LW |
4976 | PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv)); |
4977 | PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv)); | |
4978 | PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv)); | |
4979 | PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv)); | |
4980 | PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32); | |
d1bf51dd | 4981 | PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv)); |
1edc1566 | 4982 | if (CvGV(sv) && GvNAME(CvGV(sv))) { |
d1bf51dd | 4983 | PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv))); |
1edc1566 | 4984 | } else { |
d1bf51dd | 4985 | PerlIO_printf(Perl_debug_log, "\n"); |
1edc1566 | 4986 | } |
760ac839 LW |
4987 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv)); |
4988 | PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv)); | |
4989 | PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv)); | |
4990 | PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv)); | |
11343788 | 4991 | #ifdef USE_THREADS |
5dc0d613 | 4992 | PerlIO_printf(Perl_debug_log, " MUTEXP = 0x%lx\n", (long)CvMUTEXP(sv)); |
5dc0d613 | 4993 | PerlIO_printf(Perl_debug_log, " OWNER = 0x%lx\n", (long)CvOWNER(sv)); |
11343788 | 4994 | #endif /* USE_THREADS */ |
77a005ab MB |
4995 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", |
4996 | (unsigned long)CvFLAGS(sv)); | |
8990e307 | 4997 | if (type == SVt_PVFM) |
760ac839 | 4998 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv)); |
8990e307 LW |
4999 | break; |
5000 | case SVt_PVGV: | |
760ac839 LW |
5001 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv)); |
5002 | PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv)); | |
5003 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv))); | |
5004 | PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv)); | |
5005 | PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv)); | |
5006 | PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv)); | |
5007 | PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv)); | |
5008 | PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv)); | |
5009 | PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv)); | |
5010 | PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv)); | |
5011 | PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv)); | |
5012 | PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv)); | |
5013 | PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv)); | |
5014 | PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv)); | |
55497cff | 5015 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv)); |
760ac839 | 5016 | PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv)); |
8990e307 LW |
5017 | break; |
5018 | case SVt_PVIO: | |
760ac839 LW |
5019 | PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv)); |
5020 | PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv)); | |
5021 | PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv)); | |
5022 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv)); | |
5023 | PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv)); | |
5024 | PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv)); | |
5025 | PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv)); | |
5026 | PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv)); | |
5027 | PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv)); | |
5028 | PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv)); | |
5029 | PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv)); | |
5030 | PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv)); | |
5031 | PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv)); | |
5032 | PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv)); | |
5033 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv)); | |
5034 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv)); | |
8990e307 LW |
5035 | break; |
5036 | } | |
5037 | } | |
2304df62 AD |
5038 | #else |
5039 | void | |
8ac85365 | 5040 | sv_dump(SV *sv) |
2304df62 AD |
5041 | { |
5042 | } | |
8990e307 | 5043 | #endif |
f0f333f4 | 5044 | |
4e35701f NIS |
5045 | |
5046 | ||
5047 |