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 | 337 | { |
51ae5c03 JPC |
338 | if (SvTYPE(sv) == SVt_PVGV) { |
339 | if ( SvOBJECT(GvSV(sv)) || | |
340 | GvAV(sv) && SvOBJECT(GvAV(sv)) || | |
341 | GvHV(sv) && SvOBJECT(GvHV(sv)) || | |
342 | GvIO(sv) && SvOBJECT(GvIO(sv)) || | |
343 | GvCV(sv) && SvOBJECT(GvCV(sv)) ) | |
344 | { | |
345 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning named glob object:\n "), sv_dump(sv));) | |
346 | SvREFCNT_dec(sv); | |
347 | } | |
348 | else if (GvSV(sv)) | |
349 | do_clean_objs(GvSV(sv)); | |
350 | } | |
4561caa4 | 351 | } |
a5f75d66 | 352 | #endif |
4561caa4 | 353 | |
477f5d66 CS |
354 | static bool in_clean_objs = FALSE; |
355 | ||
4561caa4 | 356 | void |
8ac85365 | 357 | sv_clean_objs(void) |
4561caa4 | 358 | { |
477f5d66 | 359 | in_clean_objs = TRUE; |
4561caa4 CS |
360 | #ifndef DISABLE_DESTRUCTOR_KLUDGE |
361 | visit(do_clean_named_objs); | |
362 | #endif | |
363 | visit(do_clean_objs); | |
477f5d66 | 364 | in_clean_objs = FALSE; |
4561caa4 CS |
365 | } |
366 | ||
367 | static void | |
8ac85365 | 368 | do_clean_all(SV *sv) |
4561caa4 | 369 | { |
d1bf51dd | 370 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));) |
4561caa4 CS |
371 | SvFLAGS(sv) |= SVf_BREAK; |
372 | SvREFCNT_dec(sv); | |
8990e307 LW |
373 | } |
374 | ||
477f5d66 | 375 | static bool in_clean_all = FALSE; |
1edc1566 | 376 | |
8990e307 | 377 | void |
8ac85365 | 378 | sv_clean_all(void) |
8990e307 | 379 | { |
477f5d66 | 380 | in_clean_all = TRUE; |
4561caa4 | 381 | visit(do_clean_all); |
477f5d66 | 382 | in_clean_all = FALSE; |
8990e307 | 383 | } |
463ee0b2 | 384 | |
4633a7c4 | 385 | void |
8ac85365 | 386 | sv_free_arenas(void) |
4633a7c4 LW |
387 | { |
388 | SV* sva; | |
389 | SV* svanext; | |
390 | ||
391 | /* Free arenas here, but be careful about fake ones. (We assume | |
392 | contiguity of the fake ones with the corresponding real ones.) */ | |
393 | ||
394 | for (sva = sv_arenaroot; sva; sva = svanext) { | |
395 | svanext = (SV*) SvANY(sva); | |
396 | while (svanext && SvFAKE(svanext)) | |
397 | svanext = (SV*) SvANY(svanext); | |
398 | ||
399 | if (!SvFAKE(sva)) | |
1edc1566 | 400 | Safefree((void *)sva); |
4633a7c4 | 401 | } |
5f05dabc | 402 | |
fc80cf79 GS |
403 | if (nice_chunk) |
404 | Safefree(nice_chunk); | |
405 | nice_chunk = Nullch; | |
406 | nice_chunk_size = 0; | |
5f05dabc | 407 | sv_arenaroot = 0; |
408 | sv_root = 0; | |
4633a7c4 LW |
409 | } |
410 | ||
463ee0b2 | 411 | static XPVIV* |
8ac85365 | 412 | new_xiv(void) |
463ee0b2 | 413 | { |
a0d0e21e | 414 | IV** xiv; |
463ee0b2 LW |
415 | if (xiv_root) { |
416 | xiv = xiv_root; | |
85e6fe83 LW |
417 | /* |
418 | * See comment in more_xiv() -- RAM. | |
419 | */ | |
a0d0e21e | 420 | xiv_root = (IV**)*xiv; |
463ee0b2 LW |
421 | return (XPVIV*)((char*)xiv - sizeof(XPV)); |
422 | } | |
423 | return more_xiv(); | |
424 | } | |
425 | ||
426 | static void | |
8ac85365 | 427 | del_xiv(XPVIV *p) |
463ee0b2 | 428 | { |
a0d0e21e LW |
429 | IV** xiv = (IV**)((char*)(p) + sizeof(XPV)); |
430 | *xiv = (IV *)xiv_root; | |
463ee0b2 LW |
431 | xiv_root = xiv; |
432 | } | |
433 | ||
434 | static XPVIV* | |
8ac85365 | 435 | more_xiv(void) |
463ee0b2 | 436 | { |
a0d0e21e LW |
437 | register IV** xiv; |
438 | register IV** xivend; | |
8c52afec IZ |
439 | XPV* ptr; |
440 | New(705, ptr, 1008/sizeof(XPV), XPV); | |
a0d0e21e LW |
441 | ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */ |
442 | xiv_arenaroot = ptr; /* to keep Purify happy */ | |
443 | ||
444 | xiv = (IV**) ptr; | |
445 | xivend = &xiv[1008 / sizeof(IV *) - 1]; | |
446 | xiv += (sizeof(XPV) - 1) / sizeof(IV *) + 1; /* fudge by size of XPV */ | |
463ee0b2 LW |
447 | xiv_root = xiv; |
448 | while (xiv < xivend) { | |
a0d0e21e | 449 | *xiv = (IV *)(xiv + 1); |
463ee0b2 LW |
450 | xiv++; |
451 | } | |
85e6fe83 | 452 | *xiv = 0; |
463ee0b2 LW |
453 | return new_xiv(); |
454 | } | |
455 | ||
463ee0b2 | 456 | static XPVNV* |
8ac85365 | 457 | new_xnv(void) |
463ee0b2 LW |
458 | { |
459 | double* xnv; | |
460 | if (xnv_root) { | |
461 | xnv = xnv_root; | |
462 | xnv_root = *(double**)xnv; | |
463 | return (XPVNV*)((char*)xnv - sizeof(XPVIV)); | |
464 | } | |
465 | return more_xnv(); | |
466 | } | |
467 | ||
468 | static void | |
8ac85365 | 469 | del_xnv(XPVNV *p) |
463ee0b2 LW |
470 | { |
471 | double* xnv = (double*)((char*)(p) + sizeof(XPVIV)); | |
472 | *(double**)xnv = xnv_root; | |
473 | xnv_root = xnv; | |
474 | } | |
475 | ||
476 | static XPVNV* | |
8ac85365 | 477 | more_xnv(void) |
463ee0b2 | 478 | { |
463ee0b2 LW |
479 | register double* xnv; |
480 | register double* xnvend; | |
8c52afec | 481 | New(711, xnv, 1008/sizeof(double), double); |
463ee0b2 LW |
482 | xnvend = &xnv[1008 / sizeof(double) - 1]; |
483 | xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */ | |
484 | xnv_root = xnv; | |
485 | while (xnv < xnvend) { | |
486 | *(double**)xnv = (double*)(xnv + 1); | |
487 | xnv++; | |
488 | } | |
489 | *(double**)xnv = 0; | |
490 | return new_xnv(); | |
491 | } | |
492 | ||
ed6116ce | 493 | static XRV* |
8ac85365 | 494 | new_xrv(void) |
ed6116ce LW |
495 | { |
496 | XRV* xrv; | |
497 | if (xrv_root) { | |
498 | xrv = xrv_root; | |
499 | xrv_root = (XRV*)xrv->xrv_rv; | |
500 | return xrv; | |
501 | } | |
502 | return more_xrv(); | |
503 | } | |
504 | ||
505 | static void | |
8ac85365 | 506 | del_xrv(XRV *p) |
ed6116ce LW |
507 | { |
508 | p->xrv_rv = (SV*)xrv_root; | |
509 | xrv_root = p; | |
510 | } | |
511 | ||
512 | static XRV* | |
8ac85365 | 513 | more_xrv(void) |
ed6116ce | 514 | { |
ed6116ce LW |
515 | register XRV* xrv; |
516 | register XRV* xrvend; | |
8c52afec | 517 | New(712, xrv_root, 1008/sizeof(XRV), XRV); |
ed6116ce LW |
518 | xrv = xrv_root; |
519 | xrvend = &xrv[1008 / sizeof(XRV) - 1]; | |
520 | while (xrv < xrvend) { | |
521 | xrv->xrv_rv = (SV*)(xrv + 1); | |
522 | xrv++; | |
523 | } | |
524 | xrv->xrv_rv = 0; | |
525 | return new_xrv(); | |
526 | } | |
527 | ||
463ee0b2 | 528 | static XPV* |
8ac85365 | 529 | new_xpv(void) |
463ee0b2 LW |
530 | { |
531 | XPV* xpv; | |
532 | if (xpv_root) { | |
533 | xpv = xpv_root; | |
534 | xpv_root = (XPV*)xpv->xpv_pv; | |
535 | return xpv; | |
536 | } | |
537 | return more_xpv(); | |
538 | } | |
539 | ||
540 | static void | |
8ac85365 | 541 | del_xpv(XPV *p) |
463ee0b2 LW |
542 | { |
543 | p->xpv_pv = (char*)xpv_root; | |
544 | xpv_root = p; | |
545 | } | |
546 | ||
547 | static XPV* | |
8ac85365 | 548 | more_xpv(void) |
463ee0b2 | 549 | { |
463ee0b2 LW |
550 | register XPV* xpv; |
551 | register XPV* xpvend; | |
8c52afec | 552 | New(713, xpv_root, 1008/sizeof(XPV), XPV); |
463ee0b2 LW |
553 | xpv = xpv_root; |
554 | xpvend = &xpv[1008 / sizeof(XPV) - 1]; | |
555 | while (xpv < xpvend) { | |
556 | xpv->xpv_pv = (char*)(xpv + 1); | |
557 | xpv++; | |
558 | } | |
559 | xpv->xpv_pv = 0; | |
560 | return new_xpv(); | |
561 | } | |
562 | ||
563 | #ifdef PURIFY | |
8990e307 | 564 | #define new_XIV() (void*)safemalloc(sizeof(XPVIV)) |
3028581b | 565 | #define del_XIV(p) Safefree((char*)p) |
463ee0b2 | 566 | #else |
85e6fe83 | 567 | #define new_XIV() (void*)new_xiv() |
8ac85365 | 568 | #define del_XIV(p) del_xiv((XPVIV*) p) |
463ee0b2 LW |
569 | #endif |
570 | ||
571 | #ifdef PURIFY | |
8990e307 | 572 | #define new_XNV() (void*)safemalloc(sizeof(XPVNV)) |
3028581b | 573 | #define del_XNV(p) Safefree((char*)p) |
463ee0b2 | 574 | #else |
85e6fe83 | 575 | #define new_XNV() (void*)new_xnv() |
8ac85365 | 576 | #define del_XNV(p) del_xnv((XPVNV*) p) |
463ee0b2 LW |
577 | #endif |
578 | ||
579 | #ifdef PURIFY | |
8990e307 | 580 | #define new_XRV() (void*)safemalloc(sizeof(XRV)) |
3028581b | 581 | #define del_XRV(p) Safefree((char*)p) |
ed6116ce | 582 | #else |
85e6fe83 | 583 | #define new_XRV() (void*)new_xrv() |
8ac85365 | 584 | #define del_XRV(p) del_xrv((XRV*) p) |
ed6116ce LW |
585 | #endif |
586 | ||
587 | #ifdef PURIFY | |
8990e307 | 588 | #define new_XPV() (void*)safemalloc(sizeof(XPV)) |
3028581b | 589 | #define del_XPV(p) Safefree((char*)p) |
463ee0b2 | 590 | #else |
85e6fe83 | 591 | #define new_XPV() (void*)new_xpv() |
8ac85365 | 592 | #define del_XPV(p) del_xpv((XPV *)p) |
463ee0b2 LW |
593 | #endif |
594 | ||
8c52afec IZ |
595 | #ifdef PURIFY |
596 | # define my_safemalloc(s) safemalloc(s) | |
597 | # define my_safefree(s) free(s) | |
598 | #else | |
599 | static void* | |
d665c133 | 600 | my_safemalloc(MEM_SIZE size) |
8c52afec IZ |
601 | { |
602 | char *p; | |
603 | New(717, p, size, char); | |
604 | return (void*)p; | |
605 | } | |
606 | # define my_safefree(s) Safefree(s) | |
607 | #endif | |
608 | ||
609 | #define new_XPVIV() (void*)my_safemalloc(sizeof(XPVIV)) | |
610 | #define del_XPVIV(p) my_safefree((char*)p) | |
611 | ||
612 | #define new_XPVNV() (void*)my_safemalloc(sizeof(XPVNV)) | |
613 | #define del_XPVNV(p) my_safefree((char*)p) | |
614 | ||
615 | #define new_XPVMG() (void*)my_safemalloc(sizeof(XPVMG)) | |
616 | #define del_XPVMG(p) my_safefree((char*)p) | |
617 | ||
618 | #define new_XPVLV() (void*)my_safemalloc(sizeof(XPVLV)) | |
619 | #define del_XPVLV(p) my_safefree((char*)p) | |
620 | ||
621 | #define new_XPVAV() (void*)my_safemalloc(sizeof(XPVAV)) | |
622 | #define del_XPVAV(p) my_safefree((char*)p) | |
623 | ||
624 | #define new_XPVHV() (void*)my_safemalloc(sizeof(XPVHV)) | |
625 | #define del_XPVHV(p) my_safefree((char*)p) | |
626 | ||
627 | #define new_XPVCV() (void*)my_safemalloc(sizeof(XPVCV)) | |
628 | #define del_XPVCV(p) my_safefree((char*)p) | |
629 | ||
630 | #define new_XPVGV() (void*)my_safemalloc(sizeof(XPVGV)) | |
631 | #define del_XPVGV(p) my_safefree((char*)p) | |
632 | ||
633 | #define new_XPVBM() (void*)my_safemalloc(sizeof(XPVBM)) | |
634 | #define del_XPVBM(p) my_safefree((char*)p) | |
635 | ||
636 | #define new_XPVFM() (void*)my_safemalloc(sizeof(XPVFM)) | |
637 | #define del_XPVFM(p) my_safefree((char*)p) | |
638 | ||
639 | #define new_XPVIO() (void*)my_safemalloc(sizeof(XPVIO)) | |
640 | #define del_XPVIO(p) my_safefree((char*)p) | |
8990e307 | 641 | |
79072805 | 642 | bool |
8ac85365 | 643 | sv_upgrade(register SV *sv, U32 mt) |
79072805 LW |
644 | { |
645 | char* pv; | |
646 | U32 cur; | |
647 | U32 len; | |
a0d0e21e | 648 | IV iv; |
79072805 LW |
649 | double nv; |
650 | MAGIC* magic; | |
651 | HV* stash; | |
652 | ||
653 | if (SvTYPE(sv) == mt) | |
654 | return TRUE; | |
655 | ||
a5f75d66 AD |
656 | if (mt < SVt_PVIV) |
657 | (void)SvOOK_off(sv); | |
658 | ||
79072805 LW |
659 | switch (SvTYPE(sv)) { |
660 | case SVt_NULL: | |
661 | pv = 0; | |
662 | cur = 0; | |
663 | len = 0; | |
664 | iv = 0; | |
665 | nv = 0.0; | |
666 | magic = 0; | |
667 | stash = 0; | |
668 | break; | |
79072805 LW |
669 | case SVt_IV: |
670 | pv = 0; | |
671 | cur = 0; | |
672 | len = 0; | |
463ee0b2 LW |
673 | iv = SvIVX(sv); |
674 | nv = (double)SvIVX(sv); | |
79072805 LW |
675 | del_XIV(SvANY(sv)); |
676 | magic = 0; | |
677 | stash = 0; | |
ed6116ce | 678 | if (mt == SVt_NV) |
463ee0b2 | 679 | mt = SVt_PVNV; |
ed6116ce LW |
680 | else if (mt < SVt_PVIV) |
681 | mt = SVt_PVIV; | |
79072805 LW |
682 | break; |
683 | case SVt_NV: | |
684 | pv = 0; | |
685 | cur = 0; | |
686 | len = 0; | |
463ee0b2 | 687 | nv = SvNVX(sv); |
ed6116ce | 688 | iv = I_32(nv); |
79072805 LW |
689 | magic = 0; |
690 | stash = 0; | |
691 | del_XNV(SvANY(sv)); | |
692 | SvANY(sv) = 0; | |
ed6116ce | 693 | if (mt < SVt_PVNV) |
79072805 LW |
694 | mt = SVt_PVNV; |
695 | break; | |
ed6116ce LW |
696 | case SVt_RV: |
697 | pv = (char*)SvRV(sv); | |
698 | cur = 0; | |
699 | len = 0; | |
a0d0e21e | 700 | iv = (IV)pv; |
ed6116ce LW |
701 | nv = (double)(unsigned long)pv; |
702 | del_XRV(SvANY(sv)); | |
703 | magic = 0; | |
704 | stash = 0; | |
705 | break; | |
79072805 | 706 | case SVt_PV: |
463ee0b2 | 707 | pv = SvPVX(sv); |
79072805 LW |
708 | cur = SvCUR(sv); |
709 | len = SvLEN(sv); | |
710 | iv = 0; | |
711 | nv = 0.0; | |
712 | magic = 0; | |
713 | stash = 0; | |
714 | del_XPV(SvANY(sv)); | |
748a9306 LW |
715 | if (mt <= SVt_IV) |
716 | mt = SVt_PVIV; | |
717 | else if (mt == SVt_NV) | |
718 | mt = SVt_PVNV; | |
79072805 LW |
719 | break; |
720 | case SVt_PVIV: | |
463ee0b2 | 721 | pv = SvPVX(sv); |
79072805 LW |
722 | cur = SvCUR(sv); |
723 | len = SvLEN(sv); | |
463ee0b2 | 724 | iv = SvIVX(sv); |
79072805 LW |
725 | nv = 0.0; |
726 | magic = 0; | |
727 | stash = 0; | |
728 | del_XPVIV(SvANY(sv)); | |
729 | break; | |
730 | case SVt_PVNV: | |
463ee0b2 | 731 | pv = SvPVX(sv); |
79072805 LW |
732 | cur = SvCUR(sv); |
733 | len = SvLEN(sv); | |
463ee0b2 LW |
734 | iv = SvIVX(sv); |
735 | nv = SvNVX(sv); | |
79072805 LW |
736 | magic = 0; |
737 | stash = 0; | |
738 | del_XPVNV(SvANY(sv)); | |
739 | break; | |
740 | case SVt_PVMG: | |
463ee0b2 | 741 | pv = SvPVX(sv); |
79072805 LW |
742 | cur = SvCUR(sv); |
743 | len = SvLEN(sv); | |
463ee0b2 LW |
744 | iv = SvIVX(sv); |
745 | nv = SvNVX(sv); | |
79072805 LW |
746 | magic = SvMAGIC(sv); |
747 | stash = SvSTASH(sv); | |
748 | del_XPVMG(SvANY(sv)); | |
749 | break; | |
750 | default: | |
463ee0b2 | 751 | croak("Can't upgrade that kind of scalar"); |
79072805 LW |
752 | } |
753 | ||
754 | switch (mt) { | |
755 | case SVt_NULL: | |
463ee0b2 | 756 | croak("Can't upgrade to undef"); |
79072805 LW |
757 | case SVt_IV: |
758 | SvANY(sv) = new_XIV(); | |
463ee0b2 | 759 | SvIVX(sv) = iv; |
79072805 LW |
760 | break; |
761 | case SVt_NV: | |
762 | SvANY(sv) = new_XNV(); | |
463ee0b2 | 763 | SvNVX(sv) = nv; |
79072805 | 764 | break; |
ed6116ce LW |
765 | case SVt_RV: |
766 | SvANY(sv) = new_XRV(); | |
767 | SvRV(sv) = (SV*)pv; | |
ed6116ce | 768 | break; |
79072805 LW |
769 | case SVt_PV: |
770 | SvANY(sv) = new_XPV(); | |
463ee0b2 | 771 | SvPVX(sv) = pv; |
79072805 LW |
772 | SvCUR(sv) = cur; |
773 | SvLEN(sv) = len; | |
774 | break; | |
775 | case SVt_PVIV: | |
776 | SvANY(sv) = new_XPVIV(); | |
463ee0b2 | 777 | SvPVX(sv) = pv; |
79072805 LW |
778 | SvCUR(sv) = cur; |
779 | SvLEN(sv) = len; | |
463ee0b2 | 780 | SvIVX(sv) = iv; |
79072805 | 781 | if (SvNIOK(sv)) |
a0d0e21e | 782 | (void)SvIOK_on(sv); |
79072805 LW |
783 | SvNOK_off(sv); |
784 | break; | |
785 | case SVt_PVNV: | |
786 | SvANY(sv) = new_XPVNV(); | |
463ee0b2 | 787 | SvPVX(sv) = pv; |
79072805 LW |
788 | SvCUR(sv) = cur; |
789 | SvLEN(sv) = len; | |
463ee0b2 LW |
790 | SvIVX(sv) = iv; |
791 | SvNVX(sv) = nv; | |
79072805 LW |
792 | break; |
793 | case SVt_PVMG: | |
794 | SvANY(sv) = new_XPVMG(); | |
463ee0b2 | 795 | SvPVX(sv) = pv; |
79072805 LW |
796 | SvCUR(sv) = cur; |
797 | SvLEN(sv) = len; | |
463ee0b2 LW |
798 | SvIVX(sv) = iv; |
799 | SvNVX(sv) = nv; | |
79072805 LW |
800 | SvMAGIC(sv) = magic; |
801 | SvSTASH(sv) = stash; | |
802 | break; | |
803 | case SVt_PVLV: | |
804 | SvANY(sv) = new_XPVLV(); | |
463ee0b2 | 805 | SvPVX(sv) = pv; |
79072805 LW |
806 | SvCUR(sv) = cur; |
807 | SvLEN(sv) = len; | |
463ee0b2 LW |
808 | SvIVX(sv) = iv; |
809 | SvNVX(sv) = nv; | |
79072805 LW |
810 | SvMAGIC(sv) = magic; |
811 | SvSTASH(sv) = stash; | |
812 | LvTARGOFF(sv) = 0; | |
813 | LvTARGLEN(sv) = 0; | |
814 | LvTARG(sv) = 0; | |
815 | LvTYPE(sv) = 0; | |
816 | break; | |
817 | case SVt_PVAV: | |
818 | SvANY(sv) = new_XPVAV(); | |
463ee0b2 LW |
819 | if (pv) |
820 | Safefree(pv); | |
2304df62 | 821 | SvPVX(sv) = 0; |
d1bf51dd | 822 | AvMAX(sv) = -1; |
93965878 | 823 | AvFILLp(sv) = -1; |
463ee0b2 LW |
824 | SvIVX(sv) = 0; |
825 | SvNVX(sv) = 0.0; | |
826 | SvMAGIC(sv) = magic; | |
827 | SvSTASH(sv) = stash; | |
828 | AvALLOC(sv) = 0; | |
79072805 LW |
829 | AvARYLEN(sv) = 0; |
830 | AvFLAGS(sv) = 0; | |
831 | break; | |
832 | case SVt_PVHV: | |
833 | SvANY(sv) = new_XPVHV(); | |
463ee0b2 LW |
834 | if (pv) |
835 | Safefree(pv); | |
836 | SvPVX(sv) = 0; | |
837 | HvFILL(sv) = 0; | |
838 | HvMAX(sv) = 0; | |
839 | HvKEYS(sv) = 0; | |
840 | SvNVX(sv) = 0.0; | |
79072805 LW |
841 | SvMAGIC(sv) = magic; |
842 | SvSTASH(sv) = stash; | |
79072805 LW |
843 | HvRITER(sv) = 0; |
844 | HvEITER(sv) = 0; | |
845 | HvPMROOT(sv) = 0; | |
846 | HvNAME(sv) = 0; | |
79072805 LW |
847 | break; |
848 | case SVt_PVCV: | |
849 | SvANY(sv) = new_XPVCV(); | |
748a9306 | 850 | Zero(SvANY(sv), 1, XPVCV); |
463ee0b2 | 851 | SvPVX(sv) = pv; |
79072805 LW |
852 | SvCUR(sv) = cur; |
853 | SvLEN(sv) = len; | |
463ee0b2 LW |
854 | SvIVX(sv) = iv; |
855 | SvNVX(sv) = nv; | |
79072805 LW |
856 | SvMAGIC(sv) = magic; |
857 | SvSTASH(sv) = stash; | |
79072805 LW |
858 | break; |
859 | case SVt_PVGV: | |
860 | SvANY(sv) = new_XPVGV(); | |
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; | |
93a17b20 | 868 | GvGP(sv) = 0; |
79072805 LW |
869 | GvNAME(sv) = 0; |
870 | GvNAMELEN(sv) = 0; | |
871 | GvSTASH(sv) = 0; | |
a5f75d66 | 872 | GvFLAGS(sv) = 0; |
79072805 LW |
873 | break; |
874 | case SVt_PVBM: | |
875 | SvANY(sv) = new_XPVBM(); | |
463ee0b2 | 876 | SvPVX(sv) = pv; |
79072805 LW |
877 | SvCUR(sv) = cur; |
878 | SvLEN(sv) = len; | |
463ee0b2 LW |
879 | SvIVX(sv) = iv; |
880 | SvNVX(sv) = nv; | |
79072805 LW |
881 | SvMAGIC(sv) = magic; |
882 | SvSTASH(sv) = stash; | |
883 | BmRARE(sv) = 0; | |
884 | BmUSEFUL(sv) = 0; | |
885 | BmPREVIOUS(sv) = 0; | |
886 | break; | |
887 | case SVt_PVFM: | |
888 | SvANY(sv) = new_XPVFM(); | |
748a9306 | 889 | Zero(SvANY(sv), 1, XPVFM); |
463ee0b2 | 890 | SvPVX(sv) = pv; |
79072805 LW |
891 | SvCUR(sv) = cur; |
892 | SvLEN(sv) = len; | |
463ee0b2 LW |
893 | SvIVX(sv) = iv; |
894 | SvNVX(sv) = nv; | |
79072805 LW |
895 | SvMAGIC(sv) = magic; |
896 | SvSTASH(sv) = stash; | |
79072805 | 897 | break; |
8990e307 LW |
898 | case SVt_PVIO: |
899 | SvANY(sv) = new_XPVIO(); | |
748a9306 | 900 | Zero(SvANY(sv), 1, XPVIO); |
8990e307 LW |
901 | SvPVX(sv) = pv; |
902 | SvCUR(sv) = cur; | |
903 | SvLEN(sv) = len; | |
904 | SvIVX(sv) = iv; | |
905 | SvNVX(sv) = nv; | |
906 | SvMAGIC(sv) = magic; | |
907 | SvSTASH(sv) = stash; | |
85e6fe83 | 908 | IoPAGE_LEN(sv) = 60; |
8990e307 LW |
909 | break; |
910 | } | |
911 | SvFLAGS(sv) &= ~SVTYPEMASK; | |
912 | SvFLAGS(sv) |= mt; | |
79072805 LW |
913 | return TRUE; |
914 | } | |
915 | ||
a0d0e21e | 916 | #ifdef DEBUGGING |
79072805 | 917 | char * |
8ac85365 | 918 | sv_peek(SV *sv) |
79072805 | 919 | { |
46fc3d4c | 920 | SV *t = sv_newmortal(); |
921 | STRLEN prevlen; | |
a0d0e21e | 922 | int unref = 0; |
79072805 | 923 | |
2b98c477 | 924 | sv_setpvn(t, "", 0); |
79072805 LW |
925 | retry: |
926 | if (!sv) { | |
46fc3d4c | 927 | sv_catpv(t, "VOID"); |
a0d0e21e | 928 | goto finish; |
79072805 LW |
929 | } |
930 | else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') { | |
46fc3d4c | 931 | sv_catpv(t, "WILD"); |
a0d0e21e LW |
932 | goto finish; |
933 | } | |
934 | else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) { | |
935 | if (sv == &sv_undef) { | |
46fc3d4c | 936 | sv_catpv(t, "SV_UNDEF"); |
a0d0e21e LW |
937 | if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT| |
938 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
939 | SvREADONLY(sv)) | |
940 | goto finish; | |
941 | } | |
942 | else if (sv == &sv_no) { | |
46fc3d4c | 943 | sv_catpv(t, "SV_NO"); |
a0d0e21e LW |
944 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
945 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
946 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
947 | SVp_POK|SVp_NOK)) && | |
948 | SvCUR(sv) == 0 && | |
949 | SvNVX(sv) == 0.0) | |
950 | goto finish; | |
951 | } | |
952 | else { | |
46fc3d4c | 953 | sv_catpv(t, "SV_YES"); |
a0d0e21e LW |
954 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
955 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
956 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
957 | SVp_POK|SVp_NOK)) && | |
958 | SvCUR(sv) == 1 && | |
959 | SvPVX(sv) && *SvPVX(sv) == '1' && | |
960 | SvNVX(sv) == 1.0) | |
961 | goto finish; | |
962 | } | |
46fc3d4c | 963 | sv_catpv(t, ":"); |
79072805 | 964 | } |
a0d0e21e | 965 | else if (SvREFCNT(sv) == 0) { |
46fc3d4c | 966 | sv_catpv(t, "("); |
a0d0e21e | 967 | unref++; |
79072805 | 968 | } |
a0d0e21e | 969 | if (SvROK(sv)) { |
46fc3d4c | 970 | sv_catpv(t, "\\"); |
971 | if (SvCUR(t) + unref > 10) { | |
972 | SvCUR(t) = unref + 3; | |
973 | *SvEND(t) = '\0'; | |
974 | sv_catpv(t, "..."); | |
a0d0e21e | 975 | goto finish; |
79072805 | 976 | } |
a0d0e21e LW |
977 | sv = (SV*)SvRV(sv); |
978 | goto retry; | |
979 | } | |
980 | switch (SvTYPE(sv)) { | |
981 | default: | |
46fc3d4c | 982 | sv_catpv(t, "FREED"); |
a0d0e21e LW |
983 | goto finish; |
984 | ||
985 | case SVt_NULL: | |
46fc3d4c | 986 | sv_catpv(t, "UNDEF"); |
96827780 | 987 | goto finish; |
a0d0e21e | 988 | case SVt_IV: |
46fc3d4c | 989 | sv_catpv(t, "IV"); |
a0d0e21e LW |
990 | break; |
991 | case SVt_NV: | |
46fc3d4c | 992 | sv_catpv(t, "NV"); |
a0d0e21e LW |
993 | break; |
994 | case SVt_RV: | |
46fc3d4c | 995 | sv_catpv(t, "RV"); |
a0d0e21e LW |
996 | break; |
997 | case SVt_PV: | |
46fc3d4c | 998 | sv_catpv(t, "PV"); |
a0d0e21e LW |
999 | break; |
1000 | case SVt_PVIV: | |
46fc3d4c | 1001 | sv_catpv(t, "PVIV"); |
a0d0e21e LW |
1002 | break; |
1003 | case SVt_PVNV: | |
46fc3d4c | 1004 | sv_catpv(t, "PVNV"); |
a0d0e21e LW |
1005 | break; |
1006 | case SVt_PVMG: | |
46fc3d4c | 1007 | sv_catpv(t, "PVMG"); |
a0d0e21e LW |
1008 | break; |
1009 | case SVt_PVLV: | |
46fc3d4c | 1010 | sv_catpv(t, "PVLV"); |
a0d0e21e LW |
1011 | break; |
1012 | case SVt_PVAV: | |
46fc3d4c | 1013 | sv_catpv(t, "AV"); |
a0d0e21e LW |
1014 | break; |
1015 | case SVt_PVHV: | |
46fc3d4c | 1016 | sv_catpv(t, "HV"); |
a0d0e21e LW |
1017 | break; |
1018 | case SVt_PVCV: | |
1019 | if (CvGV(sv)) | |
46fc3d4c | 1020 | sv_catpvf(t, "CV(%s)", GvNAME(CvGV(sv))); |
a0d0e21e | 1021 | else |
46fc3d4c | 1022 | sv_catpv(t, "CV()"); |
a0d0e21e LW |
1023 | goto finish; |
1024 | case SVt_PVGV: | |
46fc3d4c | 1025 | sv_catpv(t, "GV"); |
a0d0e21e LW |
1026 | break; |
1027 | case SVt_PVBM: | |
46fc3d4c | 1028 | sv_catpv(t, "BM"); |
a0d0e21e LW |
1029 | break; |
1030 | case SVt_PVFM: | |
46fc3d4c | 1031 | sv_catpv(t, "FM"); |
a0d0e21e LW |
1032 | break; |
1033 | case SVt_PVIO: | |
46fc3d4c | 1034 | sv_catpv(t, "IO"); |
a0d0e21e | 1035 | break; |
79072805 | 1036 | } |
79072805 | 1037 | |
a0d0e21e | 1038 | if (SvPOKp(sv)) { |
463ee0b2 | 1039 | if (!SvPVX(sv)) |
46fc3d4c | 1040 | sv_catpv(t, "(null)"); |
79072805 | 1041 | if (SvOOK(sv)) |
46fc3d4c | 1042 | sv_catpvf(t, "(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv)); |
79072805 | 1043 | else |
46fc3d4c | 1044 | sv_catpvf(t, "(\"%.127s\")",SvPVX(sv)); |
79072805 | 1045 | } |
bbce6d69 | 1046 | else if (SvNOKp(sv)) { |
36477c24 | 1047 | SET_NUMERIC_STANDARD(); |
46fc3d4c | 1048 | sv_catpvf(t, "(%g)",SvNVX(sv)); |
bbce6d69 | 1049 | } |
a0d0e21e | 1050 | else if (SvIOKp(sv)) |
46fc3d4c | 1051 | sv_catpvf(t, "(%ld)",(long)SvIVX(sv)); |
79072805 | 1052 | else |
46fc3d4c | 1053 | sv_catpv(t, "()"); |
a0d0e21e LW |
1054 | |
1055 | finish: | |
1056 | if (unref) { | |
a0d0e21e | 1057 | while (unref--) |
46fc3d4c | 1058 | sv_catpv(t, ")"); |
a0d0e21e | 1059 | } |
46fc3d4c | 1060 | return SvPV(t, na); |
79072805 | 1061 | } |
a0d0e21e | 1062 | #endif |
79072805 LW |
1063 | |
1064 | int | |
8ac85365 | 1065 | sv_backoff(register SV *sv) |
79072805 LW |
1066 | { |
1067 | assert(SvOOK(sv)); | |
463ee0b2 LW |
1068 | if (SvIVX(sv)) { |
1069 | char *s = SvPVX(sv); | |
1070 | SvLEN(sv) += SvIVX(sv); | |
1071 | SvPVX(sv) -= SvIVX(sv); | |
79072805 | 1072 | SvIV_set(sv, 0); |
463ee0b2 | 1073 | Move(s, SvPVX(sv), SvCUR(sv)+1, char); |
79072805 LW |
1074 | } |
1075 | SvFLAGS(sv) &= ~SVf_OOK; | |
a0d0e21e | 1076 | return 0; |
79072805 LW |
1077 | } |
1078 | ||
1079 | char * | |
79072805 | 1080 | #ifndef DOSISH |
f0f333f4 | 1081 | sv_grow(register SV *sv, register I32 newlen) |
79072805 | 1082 | #else |
f0f333f4 | 1083 | sv_grow(SV* sv, unsigned long newlen) |
79072805 LW |
1084 | #endif |
1085 | { | |
1086 | register char *s; | |
1087 | ||
55497cff | 1088 | #ifdef HAS_64K_LIMIT |
79072805 | 1089 | if (newlen >= 0x10000) { |
d1bf51dd | 1090 | PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen); |
79072805 LW |
1091 | my_exit(1); |
1092 | } | |
55497cff | 1093 | #endif /* HAS_64K_LIMIT */ |
a0d0e21e LW |
1094 | if (SvROK(sv)) |
1095 | sv_unref(sv); | |
79072805 LW |
1096 | if (SvTYPE(sv) < SVt_PV) { |
1097 | sv_upgrade(sv, SVt_PV); | |
463ee0b2 | 1098 | s = SvPVX(sv); |
79072805 LW |
1099 | } |
1100 | else if (SvOOK(sv)) { /* pv is offset? */ | |
1101 | sv_backoff(sv); | |
463ee0b2 | 1102 | s = SvPVX(sv); |
79072805 LW |
1103 | if (newlen > SvLEN(sv)) |
1104 | newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */ | |
c6f8c383 GA |
1105 | #ifdef HAS_64K_LIMIT |
1106 | if (newlen >= 0x10000) | |
1107 | newlen = 0xFFFF; | |
1108 | #endif | |
79072805 LW |
1109 | } |
1110 | else | |
463ee0b2 | 1111 | s = SvPVX(sv); |
79072805 | 1112 | if (newlen > SvLEN(sv)) { /* need more room? */ |
85e6fe83 | 1113 | if (SvLEN(sv) && s) |
79072805 LW |
1114 | Renew(s,newlen,char); |
1115 | else | |
1116 | New(703,s,newlen,char); | |
1117 | SvPV_set(sv, s); | |
1118 | SvLEN_set(sv, newlen); | |
1119 | } | |
1120 | return s; | |
1121 | } | |
1122 | ||
1123 | void | |
8ac85365 | 1124 | sv_setiv(register SV *sv, IV i) |
79072805 | 1125 | { |
2213622d | 1126 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 LW |
1127 | switch (SvTYPE(sv)) { |
1128 | case SVt_NULL: | |
79072805 | 1129 | sv_upgrade(sv, SVt_IV); |
463ee0b2 LW |
1130 | break; |
1131 | case SVt_NV: | |
1132 | sv_upgrade(sv, SVt_PVNV); | |
1133 | break; | |
ed6116ce | 1134 | case SVt_RV: |
463ee0b2 | 1135 | case SVt_PV: |
79072805 | 1136 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 | 1137 | break; |
a0d0e21e LW |
1138 | |
1139 | case SVt_PVGV: | |
1140 | if (SvFAKE(sv)) { | |
1141 | sv_unglob(sv); | |
1142 | break; | |
1143 | } | |
1144 | /* FALL THROUGH */ | |
1145 | case SVt_PVAV: | |
1146 | case SVt_PVHV: | |
1147 | case SVt_PVCV: | |
1148 | case SVt_PVFM: | |
1149 | case SVt_PVIO: | |
11343788 MB |
1150 | { |
1151 | dTHR; | |
1152 | croak("Can't coerce %s to integer in %s", sv_reftype(sv,0), | |
5dc0d613 | 1153 | op_desc[op->op_type]); |
11343788 | 1154 | } |
463ee0b2 | 1155 | } |
a0d0e21e | 1156 | (void)SvIOK_only(sv); /* validate number */ |
a5f75d66 | 1157 | SvIVX(sv) = i; |
463ee0b2 | 1158 | SvTAINT(sv); |
79072805 LW |
1159 | } |
1160 | ||
1161 | void | |
ef50df4b GS |
1162 | sv_setiv_mg(register SV *sv, IV i) |
1163 | { | |
1164 | sv_setiv(sv,i); | |
1165 | SvSETMAGIC(sv); | |
1166 | } | |
1167 | ||
1168 | void | |
8ac85365 | 1169 | sv_setuv(register SV *sv, UV u) |
55497cff | 1170 | { |
1171 | if (u <= IV_MAX) | |
1172 | sv_setiv(sv, u); | |
1173 | else | |
1174 | sv_setnv(sv, (double)u); | |
1175 | } | |
1176 | ||
1177 | void | |
ef50df4b GS |
1178 | sv_setuv_mg(register SV *sv, UV u) |
1179 | { | |
1180 | sv_setuv(sv,u); | |
1181 | SvSETMAGIC(sv); | |
1182 | } | |
1183 | ||
1184 | void | |
8ac85365 | 1185 | sv_setnv(register SV *sv, double num) |
79072805 | 1186 | { |
2213622d | 1187 | SV_CHECK_THINKFIRST(sv); |
a0d0e21e LW |
1188 | switch (SvTYPE(sv)) { |
1189 | case SVt_NULL: | |
1190 | case SVt_IV: | |
79072805 | 1191 | sv_upgrade(sv, SVt_NV); |
a0d0e21e | 1192 | break; |
a0d0e21e LW |
1193 | case SVt_RV: |
1194 | case SVt_PV: | |
1195 | case SVt_PVIV: | |
79072805 | 1196 | sv_upgrade(sv, SVt_PVNV); |
a0d0e21e LW |
1197 | /* FALL THROUGH */ |
1198 | case SVt_PVNV: | |
1199 | case SVt_PVMG: | |
1200 | case SVt_PVBM: | |
1201 | case SVt_PVLV: | |
1202 | if (SvOOK(sv)) | |
1203 | (void)SvOOK_off(sv); | |
1204 | break; | |
1205 | case SVt_PVGV: | |
1206 | if (SvFAKE(sv)) { | |
1207 | sv_unglob(sv); | |
1208 | break; | |
1209 | } | |
1210 | /* FALL THROUGH */ | |
1211 | case SVt_PVAV: | |
1212 | case SVt_PVHV: | |
1213 | case SVt_PVCV: | |
1214 | case SVt_PVFM: | |
1215 | case SVt_PVIO: | |
11343788 MB |
1216 | { |
1217 | dTHR; | |
1218 | croak("Can't coerce %s to number in %s", sv_reftype(sv,0), | |
1219 | op_name[op->op_type]); | |
1220 | } | |
79072805 | 1221 | } |
463ee0b2 | 1222 | SvNVX(sv) = num; |
a0d0e21e | 1223 | (void)SvNOK_only(sv); /* validate number */ |
463ee0b2 | 1224 | SvTAINT(sv); |
79072805 LW |
1225 | } |
1226 | ||
ef50df4b GS |
1227 | void |
1228 | sv_setnv_mg(register SV *sv, double num) | |
1229 | { | |
1230 | sv_setnv(sv,num); | |
1231 | SvSETMAGIC(sv); | |
1232 | } | |
1233 | ||
a0d0e21e | 1234 | static void |
8ac85365 | 1235 | not_a_number(SV *sv) |
a0d0e21e | 1236 | { |
11343788 | 1237 | dTHR; |
a0d0e21e LW |
1238 | char tmpbuf[64]; |
1239 | char *d = tmpbuf; | |
1240 | char *s; | |
dc28f22b GA |
1241 | char *limit = tmpbuf + sizeof(tmpbuf) - 8; |
1242 | /* each *s can expand to 4 chars + "...\0", | |
1243 | i.e. need room for 8 chars */ | |
a0d0e21e | 1244 | |
dc28f22b | 1245 | for (s = SvPVX(sv); *s && d < limit; s++) { |
bbce6d69 | 1246 | int ch = *s & 0xFF; |
1247 | if (ch & 128 && !isPRINT_LC(ch)) { | |
a0d0e21e LW |
1248 | *d++ = 'M'; |
1249 | *d++ = '-'; | |
1250 | ch &= 127; | |
1251 | } | |
bbce6d69 | 1252 | if (ch == '\n') { |
1253 | *d++ = '\\'; | |
1254 | *d++ = 'n'; | |
1255 | } | |
1256 | else if (ch == '\r') { | |
1257 | *d++ = '\\'; | |
1258 | *d++ = 'r'; | |
1259 | } | |
1260 | else if (ch == '\f') { | |
1261 | *d++ = '\\'; | |
1262 | *d++ = 'f'; | |
1263 | } | |
1264 | else if (ch == '\\') { | |
1265 | *d++ = '\\'; | |
1266 | *d++ = '\\'; | |
1267 | } | |
1268 | else if (isPRINT_LC(ch)) | |
a0d0e21e LW |
1269 | *d++ = ch; |
1270 | else { | |
1271 | *d++ = '^'; | |
bbce6d69 | 1272 | *d++ = toCTRL(ch); |
a0d0e21e LW |
1273 | } |
1274 | } | |
1275 | if (*s) { | |
1276 | *d++ = '.'; | |
1277 | *d++ = '.'; | |
1278 | *d++ = '.'; | |
1279 | } | |
1280 | *d = '\0'; | |
1281 | ||
1282 | if (op) | |
c07a80fd | 1283 | warn("Argument \"%s\" isn't numeric in %s", tmpbuf, |
a0d0e21e LW |
1284 | op_name[op->op_type]); |
1285 | else | |
1286 | warn("Argument \"%s\" isn't numeric", tmpbuf); | |
1287 | } | |
1288 | ||
1289 | IV | |
8ac85365 | 1290 | sv_2iv(register SV *sv) |
79072805 LW |
1291 | { |
1292 | if (!sv) | |
1293 | return 0; | |
8990e307 | 1294 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1295 | mg_get(sv); |
1296 | if (SvIOKp(sv)) | |
1297 | return SvIVX(sv); | |
748a9306 LW |
1298 | if (SvNOKp(sv)) { |
1299 | if (SvNVX(sv) < 0.0) | |
1300 | return I_V(SvNVX(sv)); | |
1301 | else | |
5d94fbed | 1302 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1303 | } |
36477c24 | 1304 | if (SvPOKp(sv) && SvLEN(sv)) |
1305 | return asIV(sv); | |
3fe9a6f1 | 1306 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1307 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1308 | dTHR; | |
1309 | if (!localizing) | |
1310 | warn(warn_uninit); | |
1311 | } | |
36477c24 | 1312 | return 0; |
3fe9a6f1 | 1313 | } |
463ee0b2 | 1314 | } |
ed6116ce | 1315 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1316 | if (SvROK(sv)) { |
1317 | #ifdef OVERLOAD | |
1318 | SV* tmpstr; | |
1319 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1320 | return SvIV(tmpstr); | |
1321 | #endif /* OVERLOAD */ | |
1322 | return (IV)SvRV(sv); | |
1323 | } | |
ed6116ce | 1324 | if (SvREADONLY(sv)) { |
748a9306 LW |
1325 | if (SvNOKp(sv)) { |
1326 | if (SvNVX(sv) < 0.0) | |
1327 | return I_V(SvNVX(sv)); | |
1328 | else | |
5d94fbed | 1329 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1330 | } |
36477c24 | 1331 | if (SvPOKp(sv) && SvLEN(sv)) |
1332 | return asIV(sv); | |
ed6116ce | 1333 | if (dowarn) |
8990e307 | 1334 | warn(warn_uninit); |
ed6116ce LW |
1335 | return 0; |
1336 | } | |
79072805 | 1337 | } |
463ee0b2 | 1338 | switch (SvTYPE(sv)) { |
463ee0b2 | 1339 | case SVt_NULL: |
79072805 | 1340 | sv_upgrade(sv, SVt_IV); |
8ebc5c01 | 1341 | break; |
463ee0b2 | 1342 | case SVt_PV: |
79072805 | 1343 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 LW |
1344 | break; |
1345 | case SVt_NV: | |
1346 | sv_upgrade(sv, SVt_PVNV); | |
1347 | break; | |
1348 | } | |
748a9306 | 1349 | if (SvNOKp(sv)) { |
a5f75d66 | 1350 | (void)SvIOK_on(sv); |
748a9306 LW |
1351 | if (SvNVX(sv) < 0.0) |
1352 | SvIVX(sv) = I_V(SvNVX(sv)); | |
1353 | else | |
ff68c719 | 1354 | SvUVX(sv) = U_V(SvNVX(sv)); |
748a9306 LW |
1355 | } |
1356 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
a5f75d66 | 1357 | (void)SvIOK_on(sv); |
36477c24 | 1358 | SvIVX(sv) = asIV(sv); |
93a17b20 | 1359 | } |
79072805 | 1360 | else { |
11343788 | 1361 | dTHR; |
91bba347 | 1362 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1363 | warn(warn_uninit); |
a0d0e21e | 1364 | return 0; |
79072805 | 1365 | } |
760ac839 | 1366 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n", |
a0d0e21e | 1367 | (unsigned long)sv,(long)SvIVX(sv))); |
463ee0b2 | 1368 | return SvIVX(sv); |
79072805 LW |
1369 | } |
1370 | ||
ff68c719 | 1371 | UV |
8ac85365 | 1372 | sv_2uv(register SV *sv) |
ff68c719 | 1373 | { |
1374 | if (!sv) | |
1375 | return 0; | |
1376 | if (SvGMAGICAL(sv)) { | |
1377 | mg_get(sv); | |
1378 | if (SvIOKp(sv)) | |
1379 | return SvUVX(sv); | |
1380 | if (SvNOKp(sv)) | |
1381 | return U_V(SvNVX(sv)); | |
36477c24 | 1382 | if (SvPOKp(sv) && SvLEN(sv)) |
1383 | return asUV(sv); | |
3fe9a6f1 | 1384 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1385 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1386 | dTHR; | |
1387 | if (!localizing) | |
1388 | warn(warn_uninit); | |
1389 | } | |
36477c24 | 1390 | return 0; |
3fe9a6f1 | 1391 | } |
ff68c719 | 1392 | } |
1393 | if (SvTHINKFIRST(sv)) { | |
1394 | if (SvROK(sv)) { | |
1395 | #ifdef OVERLOAD | |
1396 | SV* tmpstr; | |
1397 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1398 | return SvUV(tmpstr); | |
1399 | #endif /* OVERLOAD */ | |
1400 | return (UV)SvRV(sv); | |
1401 | } | |
1402 | if (SvREADONLY(sv)) { | |
1403 | if (SvNOKp(sv)) { | |
1404 | return U_V(SvNVX(sv)); | |
1405 | } | |
36477c24 | 1406 | if (SvPOKp(sv) && SvLEN(sv)) |
1407 | return asUV(sv); | |
ff68c719 | 1408 | if (dowarn) |
1409 | warn(warn_uninit); | |
1410 | return 0; | |
1411 | } | |
1412 | } | |
1413 | switch (SvTYPE(sv)) { | |
1414 | case SVt_NULL: | |
1415 | sv_upgrade(sv, SVt_IV); | |
8ebc5c01 | 1416 | break; |
ff68c719 | 1417 | case SVt_PV: |
1418 | sv_upgrade(sv, SVt_PVIV); | |
1419 | break; | |
1420 | case SVt_NV: | |
1421 | sv_upgrade(sv, SVt_PVNV); | |
1422 | break; | |
1423 | } | |
1424 | if (SvNOKp(sv)) { | |
1425 | (void)SvIOK_on(sv); | |
1426 | SvUVX(sv) = U_V(SvNVX(sv)); | |
1427 | } | |
1428 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
ff68c719 | 1429 | (void)SvIOK_on(sv); |
36477c24 | 1430 | SvUVX(sv) = asUV(sv); |
ff68c719 | 1431 | } |
1432 | else { | |
c6ee37c5 MB |
1433 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1434 | dTHR; | |
1435 | if (!localizing) | |
1436 | warn(warn_uninit); | |
1437 | } | |
ff68c719 | 1438 | return 0; |
1439 | } | |
1440 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n", | |
1441 | (unsigned long)sv,SvUVX(sv))); | |
1442 | return SvUVX(sv); | |
1443 | } | |
1444 | ||
79072805 | 1445 | double |
8ac85365 | 1446 | sv_2nv(register SV *sv) |
79072805 LW |
1447 | { |
1448 | if (!sv) | |
1449 | return 0.0; | |
8990e307 | 1450 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1451 | mg_get(sv); |
1452 | if (SvNOKp(sv)) | |
1453 | return SvNVX(sv); | |
a0d0e21e | 1454 | if (SvPOKp(sv) && SvLEN(sv)) { |
748a9306 | 1455 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1456 | not_a_number(sv); |
36477c24 | 1457 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1458 | return atof(SvPVX(sv)); |
a0d0e21e | 1459 | } |
463ee0b2 LW |
1460 | if (SvIOKp(sv)) |
1461 | return (double)SvIVX(sv); | |
16d20bd9 | 1462 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1463 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1464 | dTHR; | |
1465 | if (!localizing) | |
1466 | warn(warn_uninit); | |
1467 | } | |
16d20bd9 AD |
1468 | return 0; |
1469 | } | |
463ee0b2 | 1470 | } |
ed6116ce | 1471 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1472 | if (SvROK(sv)) { |
1473 | #ifdef OVERLOAD | |
1474 | SV* tmpstr; | |
1475 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer))) | |
1476 | return SvNV(tmpstr); | |
1477 | #endif /* OVERLOAD */ | |
1478 | return (double)(unsigned long)SvRV(sv); | |
1479 | } | |
ed6116ce | 1480 | if (SvREADONLY(sv)) { |
748a9306 LW |
1481 | if (SvPOKp(sv) && SvLEN(sv)) { |
1482 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) | |
a0d0e21e | 1483 | not_a_number(sv); |
36477c24 | 1484 | SET_NUMERIC_STANDARD(); |
ed6116ce | 1485 | return atof(SvPVX(sv)); |
a0d0e21e | 1486 | } |
748a9306 | 1487 | if (SvIOKp(sv)) |
8990e307 | 1488 | return (double)SvIVX(sv); |
ed6116ce | 1489 | if (dowarn) |
8990e307 | 1490 | warn(warn_uninit); |
ed6116ce LW |
1491 | return 0.0; |
1492 | } | |
79072805 LW |
1493 | } |
1494 | if (SvTYPE(sv) < SVt_NV) { | |
463ee0b2 LW |
1495 | if (SvTYPE(sv) == SVt_IV) |
1496 | sv_upgrade(sv, SVt_PVNV); | |
1497 | else | |
1498 | sv_upgrade(sv, SVt_NV); | |
36477c24 | 1499 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1500 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1501 | "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
79072805 LW |
1502 | } |
1503 | else if (SvTYPE(sv) < SVt_PVNV) | |
1504 | sv_upgrade(sv, SVt_PVNV); | |
748a9306 LW |
1505 | if (SvIOKp(sv) && |
1506 | (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv))) | |
93a17b20 | 1507 | { |
463ee0b2 | 1508 | SvNVX(sv) = (double)SvIVX(sv); |
93a17b20 | 1509 | } |
748a9306 LW |
1510 | else if (SvPOKp(sv) && SvLEN(sv)) { |
1511 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) | |
a0d0e21e | 1512 | not_a_number(sv); |
36477c24 | 1513 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1514 | SvNVX(sv) = atof(SvPVX(sv)); |
93a17b20 | 1515 | } |
79072805 | 1516 | else { |
11343788 | 1517 | dTHR; |
91bba347 | 1518 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1519 | warn(warn_uninit); |
a0d0e21e | 1520 | return 0.0; |
79072805 LW |
1521 | } |
1522 | SvNOK_on(sv); | |
36477c24 | 1523 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1524 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1525 | "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
463ee0b2 | 1526 | return SvNVX(sv); |
79072805 LW |
1527 | } |
1528 | ||
36477c24 | 1529 | static IV |
8ac85365 | 1530 | asIV(SV *sv) |
36477c24 | 1531 | { |
1532 | I32 numtype = looks_like_number(sv); | |
1533 | double d; | |
1534 | ||
1535 | if (numtype == 1) | |
1536 | return atol(SvPVX(sv)); | |
1537 | if (!numtype && dowarn) | |
1538 | not_a_number(sv); | |
1539 | SET_NUMERIC_STANDARD(); | |
1540 | d = atof(SvPVX(sv)); | |
1541 | if (d < 0.0) | |
1542 | return I_V(d); | |
1543 | else | |
1544 | return (IV) U_V(d); | |
1545 | } | |
1546 | ||
1547 | static UV | |
8ac85365 | 1548 | asUV(SV *sv) |
36477c24 | 1549 | { |
1550 | I32 numtype = looks_like_number(sv); | |
1551 | ||
84902520 | 1552 | #ifdef HAS_STRTOUL |
36477c24 | 1553 | if (numtype == 1) |
84902520 TB |
1554 | return strtoul(SvPVX(sv), Null(char**), 10); |
1555 | #endif | |
36477c24 | 1556 | if (!numtype && dowarn) |
1557 | not_a_number(sv); | |
1558 | SET_NUMERIC_STANDARD(); | |
1559 | return U_V(atof(SvPVX(sv))); | |
1560 | } | |
1561 | ||
1562 | I32 | |
8ac85365 | 1563 | looks_like_number(SV *sv) |
36477c24 | 1564 | { |
1565 | register char *s; | |
1566 | register char *send; | |
1567 | register char *sbegin; | |
ff0cee69 | 1568 | I32 numtype; |
36477c24 | 1569 | STRLEN len; |
1570 | ||
1571 | if (SvPOK(sv)) { | |
1572 | sbegin = SvPVX(sv); | |
1573 | len = SvCUR(sv); | |
1574 | } | |
1575 | else if (SvPOKp(sv)) | |
1576 | sbegin = SvPV(sv, len); | |
1577 | else | |
1578 | return 1; | |
1579 | send = sbegin + len; | |
1580 | ||
1581 | s = sbegin; | |
1582 | while (isSPACE(*s)) | |
1583 | s++; | |
36477c24 | 1584 | if (*s == '+' || *s == '-') |
1585 | s++; | |
ff0cee69 | 1586 | |
1587 | /* next must be digit or '.' */ | |
1588 | if (isDIGIT(*s)) { | |
1589 | do { | |
1590 | s++; | |
1591 | } while (isDIGIT(*s)); | |
1592 | if (*s == '.') { | |
1593 | s++; | |
1594 | while (isDIGIT(*s)) /* optional digits after "." */ | |
1595 | s++; | |
1596 | } | |
36477c24 | 1597 | } |
ff0cee69 | 1598 | else if (*s == '.') { |
1599 | s++; | |
1600 | /* no digits before '.' means we need digits after it */ | |
1601 | if (isDIGIT(*s)) { | |
1602 | do { | |
1603 | s++; | |
1604 | } while (isDIGIT(*s)); | |
1605 | } | |
1606 | else | |
1607 | return 0; | |
1608 | } | |
1609 | else | |
1610 | return 0; | |
1611 | ||
1612 | /* | |
1613 | * we return 1 if the number can be converted to _integer_ with atol() | |
1614 | * and 2 if you need (int)atof(). | |
1615 | */ | |
1616 | numtype = 1; | |
1617 | ||
1618 | /* we can have an optional exponent part */ | |
36477c24 | 1619 | if (*s == 'e' || *s == 'E') { |
1620 | numtype = 2; | |
1621 | s++; | |
1622 | if (*s == '+' || *s == '-') | |
1623 | s++; | |
ff0cee69 | 1624 | if (isDIGIT(*s)) { |
1625 | do { | |
1626 | s++; | |
1627 | } while (isDIGIT(*s)); | |
1628 | } | |
1629 | else | |
1630 | return 0; | |
36477c24 | 1631 | } |
1632 | while (isSPACE(*s)) | |
1633 | s++; | |
1634 | if (s >= send) | |
1635 | return numtype; | |
1636 | if (len == 10 && memEQ(sbegin, "0 but true", 10)) | |
1637 | return 1; | |
1638 | return 0; | |
1639 | } | |
1640 | ||
79072805 | 1641 | char * |
8ac85365 | 1642 | sv_2pv(register SV *sv, STRLEN *lp) |
79072805 LW |
1643 | { |
1644 | register char *s; | |
1645 | int olderrno; | |
46fc3d4c | 1646 | SV *tsv; |
96827780 | 1647 | char tmpbuf[64]; /* Must fit sprintf/Gconvert of longest IV/NV */ |
79072805 | 1648 | |
463ee0b2 LW |
1649 | if (!sv) { |
1650 | *lp = 0; | |
1651 | return ""; | |
1652 | } | |
8990e307 | 1653 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1654 | mg_get(sv); |
1655 | if (SvPOKp(sv)) { | |
1656 | *lp = SvCUR(sv); | |
1657 | return SvPVX(sv); | |
1658 | } | |
1659 | if (SvIOKp(sv)) { | |
96827780 | 1660 | (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv)); |
46fc3d4c | 1661 | tsv = Nullsv; |
a0d0e21e | 1662 | goto tokensave; |
463ee0b2 LW |
1663 | } |
1664 | if (SvNOKp(sv)) { | |
36477c24 | 1665 | SET_NUMERIC_STANDARD(); |
96827780 | 1666 | Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf); |
46fc3d4c | 1667 | tsv = Nullsv; |
a0d0e21e | 1668 | goto tokensave; |
463ee0b2 | 1669 | } |
16d20bd9 | 1670 | if (!SvROK(sv)) { |
c6ee37c5 MB |
1671 | if (dowarn && !(SvFLAGS(sv) & SVs_PADTMP)) { |
1672 | dTHR; | |
1673 | if (!localizing) | |
1674 | warn(warn_uninit); | |
1675 | } | |
16d20bd9 AD |
1676 | *lp = 0; |
1677 | return ""; | |
1678 | } | |
463ee0b2 | 1679 | } |
ed6116ce LW |
1680 | if (SvTHINKFIRST(sv)) { |
1681 | if (SvROK(sv)) { | |
a0d0e21e LW |
1682 | #ifdef OVERLOAD |
1683 | SV* tmpstr; | |
1684 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string))) | |
1685 | return SvPV(tmpstr,*lp); | |
1686 | #endif /* OVERLOAD */ | |
ed6116ce LW |
1687 | sv = (SV*)SvRV(sv); |
1688 | if (!sv) | |
1689 | s = "NULLREF"; | |
1690 | else { | |
1691 | switch (SvTYPE(sv)) { | |
1692 | case SVt_NULL: | |
1693 | case SVt_IV: | |
1694 | case SVt_NV: | |
1695 | case SVt_RV: | |
1696 | case SVt_PV: | |
1697 | case SVt_PVIV: | |
1698 | case SVt_PVNV: | |
1699 | case SVt_PVBM: | |
1700 | case SVt_PVMG: s = "SCALAR"; break; | |
1701 | case SVt_PVLV: s = "LVALUE"; break; | |
1702 | case SVt_PVAV: s = "ARRAY"; break; | |
1703 | case SVt_PVHV: s = "HASH"; break; | |
1704 | case SVt_PVCV: s = "CODE"; break; | |
1705 | case SVt_PVGV: s = "GLOB"; break; | |
cdaebead | 1706 | case SVt_PVFM: s = "FORMLINE"; break; |
36477c24 | 1707 | case SVt_PVIO: s = "IO"; break; |
ed6116ce LW |
1708 | default: s = "UNKNOWN"; break; |
1709 | } | |
46fc3d4c | 1710 | tsv = NEWSV(0,0); |
ed6116ce | 1711 | if (SvOBJECT(sv)) |
46fc3d4c | 1712 | sv_setpvf(tsv, "%s=%s", HvNAME(SvSTASH(sv)), s); |
ed6116ce | 1713 | else |
46fc3d4c | 1714 | sv_setpv(tsv, s); |
1715 | sv_catpvf(tsv, "(0x%lx)", (unsigned long)sv); | |
a0d0e21e | 1716 | goto tokensaveref; |
463ee0b2 | 1717 | } |
ed6116ce LW |
1718 | *lp = strlen(s); |
1719 | return s; | |
79072805 | 1720 | } |
ed6116ce | 1721 | if (SvREADONLY(sv)) { |
748a9306 | 1722 | if (SvNOKp(sv)) { |
36477c24 | 1723 | SET_NUMERIC_STANDARD(); |
96827780 | 1724 | Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf); |
46fc3d4c | 1725 | tsv = Nullsv; |
a0d0e21e | 1726 | goto tokensave; |
ed6116ce | 1727 | } |
8bb9dbe4 | 1728 | if (SvIOKp(sv)) { |
96827780 | 1729 | (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv)); |
46fc3d4c | 1730 | tsv = Nullsv; |
8bb9dbe4 LW |
1731 | goto tokensave; |
1732 | } | |
ed6116ce | 1733 | if (dowarn) |
8990e307 | 1734 | warn(warn_uninit); |
ed6116ce LW |
1735 | *lp = 0; |
1736 | return ""; | |
79072805 | 1737 | } |
79072805 | 1738 | } |
c6f8c383 | 1739 | (void)SvUPGRADE(sv, SVt_PV); |
748a9306 | 1740 | if (SvNOKp(sv)) { |
79072805 LW |
1741 | if (SvTYPE(sv) < SVt_PVNV) |
1742 | sv_upgrade(sv, SVt_PVNV); | |
1743 | SvGROW(sv, 28); | |
463ee0b2 | 1744 | s = SvPVX(sv); |
79072805 | 1745 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
79072805 | 1746 | #ifdef apollo |
463ee0b2 | 1747 | if (SvNVX(sv) == 0.0) |
79072805 LW |
1748 | (void)strcpy(s,"0"); |
1749 | else | |
1750 | #endif /*apollo*/ | |
bbce6d69 | 1751 | { |
36477c24 | 1752 | SET_NUMERIC_STANDARD(); |
a0d0e21e | 1753 | Gconvert(SvNVX(sv), DBL_DIG, 0, s); |
bbce6d69 | 1754 | } |
79072805 | 1755 | errno = olderrno; |
a0d0e21e LW |
1756 | #ifdef FIXNEGATIVEZERO |
1757 | if (*s == '-' && s[1] == '0' && !s[2]) | |
1758 | strcpy(s,"0"); | |
1759 | #endif | |
79072805 LW |
1760 | while (*s) s++; |
1761 | #ifdef hcx | |
1762 | if (s[-1] == '.') | |
46fc3d4c | 1763 | *--s = '\0'; |
79072805 LW |
1764 | #endif |
1765 | } | |
748a9306 | 1766 | else if (SvIOKp(sv)) { |
64f14228 | 1767 | U32 oldIOK = SvIOK(sv); |
79072805 LW |
1768 | if (SvTYPE(sv) < SVt_PVIV) |
1769 | sv_upgrade(sv, SVt_PVIV); | |
79072805 | 1770 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
84902520 | 1771 | sv_setpviv(sv, SvIVX(sv)); |
79072805 | 1772 | errno = olderrno; |
46fc3d4c | 1773 | s = SvEND(sv); |
64f14228 GA |
1774 | if (oldIOK) |
1775 | SvIOK_on(sv); | |
1776 | else | |
1777 | SvIOKp_on(sv); | |
79072805 LW |
1778 | } |
1779 | else { | |
11343788 | 1780 | dTHR; |
91bba347 | 1781 | if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
8990e307 | 1782 | warn(warn_uninit); |
a0d0e21e LW |
1783 | *lp = 0; |
1784 | return ""; | |
79072805 | 1785 | } |
463ee0b2 LW |
1786 | *lp = s - SvPVX(sv); |
1787 | SvCUR_set(sv, *lp); | |
79072805 | 1788 | SvPOK_on(sv); |
760ac839 | 1789 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv))); |
463ee0b2 | 1790 | return SvPVX(sv); |
a0d0e21e LW |
1791 | |
1792 | tokensave: | |
1793 | if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */ | |
1794 | /* Sneaky stuff here */ | |
1795 | ||
1796 | tokensaveref: | |
46fc3d4c | 1797 | if (!tsv) |
96827780 | 1798 | tsv = newSVpv(tmpbuf, 0); |
46fc3d4c | 1799 | sv_2mortal(tsv); |
1800 | *lp = SvCUR(tsv); | |
1801 | return SvPVX(tsv); | |
a0d0e21e LW |
1802 | } |
1803 | else { | |
1804 | STRLEN len; | |
46fc3d4c | 1805 | char *t; |
1806 | ||
1807 | if (tsv) { | |
1808 | sv_2mortal(tsv); | |
1809 | t = SvPVX(tsv); | |
1810 | len = SvCUR(tsv); | |
1811 | } | |
1812 | else { | |
96827780 MB |
1813 | t = tmpbuf; |
1814 | len = strlen(tmpbuf); | |
46fc3d4c | 1815 | } |
a0d0e21e | 1816 | #ifdef FIXNEGATIVEZERO |
46fc3d4c | 1817 | if (len == 2 && t[0] == '-' && t[1] == '0') { |
1818 | t = "0"; | |
1819 | len = 1; | |
1820 | } | |
a0d0e21e LW |
1821 | #endif |
1822 | (void)SvUPGRADE(sv, SVt_PV); | |
46fc3d4c | 1823 | *lp = len; |
a0d0e21e LW |
1824 | s = SvGROW(sv, len + 1); |
1825 | SvCUR_set(sv, len); | |
46fc3d4c | 1826 | (void)strcpy(s, t); |
6bf554b4 | 1827 | SvPOKp_on(sv); |
a0d0e21e LW |
1828 | return s; |
1829 | } | |
463ee0b2 LW |
1830 | } |
1831 | ||
1832 | /* This function is only called on magical items */ | |
1833 | bool | |
8ac85365 | 1834 | sv_2bool(register SV *sv) |
463ee0b2 | 1835 | { |
8990e307 | 1836 | if (SvGMAGICAL(sv)) |
463ee0b2 LW |
1837 | mg_get(sv); |
1838 | ||
a0d0e21e LW |
1839 | if (!SvOK(sv)) |
1840 | return 0; | |
1841 | if (SvROK(sv)) { | |
1842 | #ifdef OVERLOAD | |
1843 | { | |
11343788 | 1844 | dTHR; |
a0d0e21e LW |
1845 | SV* tmpsv; |
1846 | if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_))) | |
1847 | return SvTRUE(tmpsv); | |
1848 | } | |
1849 | #endif /* OVERLOAD */ | |
1850 | return SvRV(sv) != 0; | |
1851 | } | |
463ee0b2 | 1852 | if (SvPOKp(sv)) { |
11343788 MB |
1853 | register XPV* Xpvtmp; |
1854 | if ((Xpvtmp = (XPV*)SvANY(sv)) && | |
1855 | (*Xpvtmp->xpv_pv > '0' || | |
1856 | Xpvtmp->xpv_cur > 1 || | |
1857 | (Xpvtmp->xpv_cur && *Xpvtmp->xpv_pv != '0'))) | |
463ee0b2 LW |
1858 | return 1; |
1859 | else | |
1860 | return 0; | |
1861 | } | |
1862 | else { | |
1863 | if (SvIOKp(sv)) | |
1864 | return SvIVX(sv) != 0; | |
1865 | else { | |
1866 | if (SvNOKp(sv)) | |
1867 | return SvNVX(sv) != 0.0; | |
1868 | else | |
1869 | return FALSE; | |
1870 | } | |
1871 | } | |
79072805 LW |
1872 | } |
1873 | ||
1874 | /* Note: sv_setsv() should not be called with a source string that needs | |
463ee0b2 | 1875 | * to be reused, since it may destroy the source string if it is marked |
79072805 LW |
1876 | * as temporary. |
1877 | */ | |
1878 | ||
1879 | void | |
8ac85365 | 1880 | sv_setsv(SV *dstr, register SV *sstr) |
79072805 | 1881 | { |
11343788 | 1882 | dTHR; |
8990e307 LW |
1883 | register U32 sflags; |
1884 | register int dtype; | |
1885 | register int stype; | |
463ee0b2 | 1886 | |
79072805 LW |
1887 | if (sstr == dstr) |
1888 | return; | |
2213622d | 1889 | SV_CHECK_THINKFIRST(dstr); |
79072805 LW |
1890 | if (!sstr) |
1891 | sstr = &sv_undef; | |
8990e307 LW |
1892 | stype = SvTYPE(sstr); |
1893 | dtype = SvTYPE(dstr); | |
79072805 | 1894 | |
8e07c86e AD |
1895 | if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) { |
1896 | sv_unglob(dstr); /* so fake GLOB won't perpetuate */ | |
4633a7c4 LW |
1897 | sv_setpvn(dstr, "", 0); |
1898 | (void)SvPOK_only(dstr); | |
8e07c86e AD |
1899 | dtype = SvTYPE(dstr); |
1900 | } | |
1901 | ||
a0d0e21e LW |
1902 | #ifdef OVERLOAD |
1903 | SvAMAGIC_off(dstr); | |
1904 | #endif /* OVERLOAD */ | |
463ee0b2 | 1905 | /* There's a lot of redundancy below but we're going for speed here */ |
79072805 | 1906 | |
8990e307 | 1907 | switch (stype) { |
79072805 | 1908 | case SVt_NULL: |
20408e3c GS |
1909 | if (dtype != SVt_PVGV) { |
1910 | (void)SvOK_off(dstr); | |
1911 | return; | |
1912 | } | |
1913 | break; | |
463ee0b2 | 1914 | case SVt_IV: |
ff68c719 | 1915 | if (dtype != SVt_IV && dtype < SVt_PVIV) { |
8990e307 LW |
1916 | if (dtype < SVt_IV) |
1917 | sv_upgrade(dstr, SVt_IV); | |
8990e307 LW |
1918 | else if (dtype == SVt_NV) |
1919 | sv_upgrade(dstr, SVt_PVNV); | |
ff68c719 | 1920 | else |
a0d0e21e | 1921 | sv_upgrade(dstr, SVt_PVIV); |
8990e307 | 1922 | } |
463ee0b2 LW |
1923 | break; |
1924 | case SVt_NV: | |
ff68c719 | 1925 | if (dtype != SVt_NV && dtype < SVt_PVNV) { |
8990e307 LW |
1926 | if (dtype < SVt_NV) |
1927 | sv_upgrade(dstr, SVt_NV); | |
ff68c719 | 1928 | else |
a0d0e21e | 1929 | sv_upgrade(dstr, SVt_PVNV); |
8990e307 | 1930 | } |
463ee0b2 | 1931 | break; |
ed6116ce | 1932 | case SVt_RV: |
8990e307 | 1933 | if (dtype < SVt_RV) |
ed6116ce | 1934 | sv_upgrade(dstr, SVt_RV); |
c07a80fd | 1935 | else if (dtype == SVt_PVGV && |
1936 | SvTYPE(SvRV(sstr)) == SVt_PVGV) { | |
1937 | sstr = SvRV(sstr); | |
a5f75d66 AD |
1938 | if (sstr == dstr) { |
1939 | if (curcop->cop_stash != GvSTASH(dstr)) | |
1940 | GvIMPORTED_on(dstr); | |
1941 | GvMULTI_on(dstr); | |
1942 | return; | |
1943 | } | |
c07a80fd | 1944 | goto glob_assign; |
1945 | } | |
ed6116ce | 1946 | break; |
463ee0b2 | 1947 | case SVt_PV: |
fc36a67e | 1948 | case SVt_PVFM: |
8990e307 | 1949 | if (dtype < SVt_PV) |
463ee0b2 | 1950 | sv_upgrade(dstr, SVt_PV); |
463ee0b2 LW |
1951 | break; |
1952 | case SVt_PVIV: | |
8990e307 | 1953 | if (dtype < SVt_PVIV) |
463ee0b2 | 1954 | sv_upgrade(dstr, SVt_PVIV); |
463ee0b2 LW |
1955 | break; |
1956 | case SVt_PVNV: | |
8990e307 | 1957 | if (dtype < SVt_PVNV) |
463ee0b2 | 1958 | sv_upgrade(dstr, SVt_PVNV); |
463ee0b2 | 1959 | break; |
4633a7c4 LW |
1960 | case SVt_PVAV: |
1961 | case SVt_PVHV: | |
1962 | case SVt_PVCV: | |
4633a7c4 LW |
1963 | case SVt_PVIO: |
1964 | if (op) | |
1965 | croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0), | |
1966 | op_name[op->op_type]); | |
1967 | else | |
1968 | croak("Bizarre copy of %s", sv_reftype(sstr, 0)); | |
1969 | break; | |
1970 | ||
79072805 | 1971 | case SVt_PVGV: |
8990e307 | 1972 | if (dtype <= SVt_PVGV) { |
c07a80fd | 1973 | glob_assign: |
a5f75d66 | 1974 | if (dtype != SVt_PVGV) { |
a0d0e21e LW |
1975 | char *name = GvNAME(sstr); |
1976 | STRLEN len = GvNAMELEN(sstr); | |
463ee0b2 | 1977 | sv_upgrade(dstr, SVt_PVGV); |
a0d0e21e | 1978 | sv_magic(dstr, dstr, '*', name, len); |
85aff577 | 1979 | GvSTASH(dstr) = (HV*)SvREFCNT_inc(GvSTASH(sstr)); |
a0d0e21e LW |
1980 | GvNAME(dstr) = savepvn(name, len); |
1981 | GvNAMELEN(dstr) = len; | |
1982 | SvFAKE_on(dstr); /* can coerce to non-glob */ | |
1983 | } | |
7bac28a0 | 1984 | /* ahem, death to those who redefine active sort subs */ |
e336de0d | 1985 | else if (curstackinfo->si_type == SI_SORT |
7bac28a0 | 1986 | && GvCV(dstr) && sortcop == CvSTART(GvCV(dstr))) |
1987 | croak("Can't redefine active sort subroutine %s", | |
1988 | GvNAME(dstr)); | |
a0d0e21e | 1989 | (void)SvOK_off(dstr); |
a5f75d66 | 1990 | GvINTRO_off(dstr); /* one-shot flag */ |
1edc1566 | 1991 | gp_free((GV*)dstr); |
79072805 | 1992 | GvGP(dstr) = gp_ref(GvGP(sstr)); |
8990e307 | 1993 | SvTAINT(dstr); |
a5f75d66 AD |
1994 | if (curcop->cop_stash != GvSTASH(dstr)) |
1995 | GvIMPORTED_on(dstr); | |
1996 | GvMULTI_on(dstr); | |
79072805 LW |
1997 | return; |
1998 | } | |
1999 | /* FALL THROUGH */ | |
2000 | ||
2001 | default: | |
973f89ab CS |
2002 | if (SvGMAGICAL(sstr)) { |
2003 | mg_get(sstr); | |
2004 | if (SvTYPE(sstr) != stype) { | |
2005 | stype = SvTYPE(sstr); | |
2006 | if (stype == SVt_PVGV && dtype <= SVt_PVGV) | |
2007 | goto glob_assign; | |
2008 | } | |
2009 | } | |
ded42b9f CS |
2010 | if (stype == SVt_PVLV) |
2011 | SvUPGRADE(dstr, SVt_PVNV); | |
2012 | else | |
2013 | SvUPGRADE(dstr, stype); | |
79072805 LW |
2014 | } |
2015 | ||
8990e307 LW |
2016 | sflags = SvFLAGS(sstr); |
2017 | ||
2018 | if (sflags & SVf_ROK) { | |
2019 | if (dtype >= SVt_PV) { | |
2020 | if (dtype == SVt_PVGV) { | |
11343788 | 2021 | dTHR; |
8990e307 LW |
2022 | SV *sref = SvREFCNT_inc(SvRV(sstr)); |
2023 | SV *dref = 0; | |
a5f75d66 | 2024 | int intro = GvINTRO(dstr); |
a0d0e21e LW |
2025 | |
2026 | if (intro) { | |
2027 | GP *gp; | |
2028 | GvGP(dstr)->gp_refcnt--; | |
a5f75d66 | 2029 | GvINTRO_off(dstr); /* one-shot flag */ |
a0d0e21e | 2030 | Newz(602,gp, 1, GP); |
44a8e56a | 2031 | GvGP(dstr) = gp_ref(gp); |
a0d0e21e LW |
2032 | GvSV(dstr) = NEWSV(72,0); |
2033 | GvLINE(dstr) = curcop->cop_line; | |
1edc1566 | 2034 | GvEGV(dstr) = (GV*)dstr; |
a0d0e21e | 2035 | } |
a5f75d66 | 2036 | GvMULTI_on(dstr); |
8990e307 LW |
2037 | switch (SvTYPE(sref)) { |
2038 | case SVt_PVAV: | |
a0d0e21e LW |
2039 | if (intro) |
2040 | SAVESPTR(GvAV(dstr)); | |
2041 | else | |
2042 | dref = (SV*)GvAV(dstr); | |
8990e307 | 2043 | GvAV(dstr) = (AV*)sref; |
a5f75d66 AD |
2044 | if (curcop->cop_stash != GvSTASH(dstr)) |
2045 | GvIMPORTED_AV_on(dstr); | |
8990e307 LW |
2046 | break; |
2047 | case SVt_PVHV: | |
a0d0e21e LW |
2048 | if (intro) |
2049 | SAVESPTR(GvHV(dstr)); | |
2050 | else | |
2051 | dref = (SV*)GvHV(dstr); | |
8990e307 | 2052 | GvHV(dstr) = (HV*)sref; |
a5f75d66 AD |
2053 | if (curcop->cop_stash != GvSTASH(dstr)) |
2054 | GvIMPORTED_HV_on(dstr); | |
8990e307 LW |
2055 | break; |
2056 | case SVt_PVCV: | |
8ebc5c01 | 2057 | if (intro) { |
2058 | if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) { | |
2059 | SvREFCNT_dec(GvCV(dstr)); | |
2060 | GvCV(dstr) = Nullcv; | |
68dc0745 | 2061 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
2062 | sub_generation++; | |
8ebc5c01 | 2063 | } |
a0d0e21e | 2064 | SAVESPTR(GvCV(dstr)); |
8ebc5c01 | 2065 | } |
68dc0745 | 2066 | else |
2067 | dref = (SV*)GvCV(dstr); | |
2068 | if (GvCV(dstr) != (CV*)sref) { | |
748a9306 | 2069 | CV* cv = GvCV(dstr); |
4633a7c4 | 2070 | if (cv) { |
68dc0745 | 2071 | if (!GvCVGEN((GV*)dstr) && |
2072 | (CvROOT(cv) || CvXSUB(cv))) | |
2073 | { | |
7bac28a0 | 2074 | /* ahem, death to those who redefine |
2075 | * active sort subs */ | |
e336de0d | 2076 | if (curstackinfo->si_type == SI_SORT && |
7bac28a0 | 2077 | sortcop == CvSTART(cv)) |
2078 | croak( | |
2079 | "Can't redefine active sort subroutine %s", | |
2080 | GvENAME((GV*)dstr)); | |
9607fc9c | 2081 | if (cv_const_sv(cv)) |
2082 | warn("Constant subroutine %s redefined", | |
2083 | GvENAME((GV*)dstr)); | |
2f34f9d4 IZ |
2084 | else if (dowarn) { |
2085 | if (!(CvGV(cv) && GvSTASH(CvGV(cv)) | |
2086 | && HvNAME(GvSTASH(CvGV(cv))) | |
2087 | && strEQ(HvNAME(GvSTASH(CvGV(cv))), | |
2088 | "autouse"))) | |
2089 | warn("Subroutine %s redefined", | |
2090 | GvENAME((GV*)dstr)); | |
2091 | } | |
9607fc9c | 2092 | } |
3fe9a6f1 | 2093 | cv_ckproto(cv, (GV*)dstr, |
2094 | SvPOK(sref) ? SvPVX(sref) : Nullch); | |
4633a7c4 | 2095 | } |
a5f75d66 | 2096 | GvCV(dstr) = (CV*)sref; |
7a4c00b4 | 2097 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
a5f75d66 | 2098 | GvASSUMECV_on(dstr); |
8ebc5c01 | 2099 | sub_generation++; |
a5f75d66 AD |
2100 | } |
2101 | if (curcop->cop_stash != GvSTASH(dstr)) | |
2102 | GvIMPORTED_CV_on(dstr); | |
8990e307 | 2103 | break; |
91bba347 LW |
2104 | case SVt_PVIO: |
2105 | if (intro) | |
2106 | SAVESPTR(GvIOp(dstr)); | |
2107 | else | |
2108 | dref = (SV*)GvIOp(dstr); | |
2109 | GvIOp(dstr) = (IO*)sref; | |
2110 | break; | |
8990e307 | 2111 | default: |
a0d0e21e LW |
2112 | if (intro) |
2113 | SAVESPTR(GvSV(dstr)); | |
2114 | else | |
2115 | dref = (SV*)GvSV(dstr); | |
8990e307 | 2116 | GvSV(dstr) = sref; |
a5f75d66 AD |
2117 | if (curcop->cop_stash != GvSTASH(dstr)) |
2118 | GvIMPORTED_SV_on(dstr); | |
8990e307 LW |
2119 | break; |
2120 | } | |
2121 | if (dref) | |
2122 | SvREFCNT_dec(dref); | |
a0d0e21e LW |
2123 | if (intro) |
2124 | SAVEFREESV(sref); | |
8990e307 LW |
2125 | SvTAINT(dstr); |
2126 | return; | |
2127 | } | |
a0d0e21e | 2128 | if (SvPVX(dstr)) { |
760ac839 | 2129 | (void)SvOOK_off(dstr); /* backoff */ |
8990e307 | 2130 | Safefree(SvPVX(dstr)); |
a0d0e21e LW |
2131 | SvLEN(dstr)=SvCUR(dstr)=0; |
2132 | } | |
8990e307 | 2133 | } |
a0d0e21e | 2134 | (void)SvOK_off(dstr); |
8990e307 | 2135 | SvRV(dstr) = SvREFCNT_inc(SvRV(sstr)); |
ed6116ce | 2136 | SvROK_on(dstr); |
8990e307 | 2137 | if (sflags & SVp_NOK) { |
ed6116ce LW |
2138 | SvNOK_on(dstr); |
2139 | SvNVX(dstr) = SvNVX(sstr); | |
2140 | } | |
8990e307 | 2141 | if (sflags & SVp_IOK) { |
a0d0e21e | 2142 | (void)SvIOK_on(dstr); |
ed6116ce LW |
2143 | SvIVX(dstr) = SvIVX(sstr); |
2144 | } | |
a0d0e21e LW |
2145 | #ifdef OVERLOAD |
2146 | if (SvAMAGIC(sstr)) { | |
2147 | SvAMAGIC_on(dstr); | |
2148 | } | |
2149 | #endif /* OVERLOAD */ | |
ed6116ce | 2150 | } |
8990e307 | 2151 | else if (sflags & SVp_POK) { |
79072805 LW |
2152 | |
2153 | /* | |
2154 | * Check to see if we can just swipe the string. If so, it's a | |
2155 | * possible small lose on short strings, but a big win on long ones. | |
463ee0b2 LW |
2156 | * It might even be a win on short strings if SvPVX(dstr) |
2157 | * has to be allocated and SvPVX(sstr) has to be freed. | |
79072805 LW |
2158 | */ |
2159 | ||
ff68c719 | 2160 | if (SvTEMP(sstr) && /* slated for free anyway? */ |
01b73108 | 2161 | SvREFCNT(sstr) == 1 && /* and no other references to it? */ |
a5f75d66 AD |
2162 | !(sflags & SVf_OOK)) /* and not involved in OOK hack? */ |
2163 | { | |
adbc6bb1 | 2164 | if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */ |
a5f75d66 AD |
2165 | if (SvOOK(dstr)) { |
2166 | SvFLAGS(dstr) &= ~SVf_OOK; | |
2167 | Safefree(SvPVX(dstr) - SvIVX(dstr)); | |
2168 | } | |
2169 | else | |
2170 | Safefree(SvPVX(dstr)); | |
79072805 | 2171 | } |
a5f75d66 | 2172 | (void)SvPOK_only(dstr); |
463ee0b2 | 2173 | SvPV_set(dstr, SvPVX(sstr)); |
79072805 LW |
2174 | SvLEN_set(dstr, SvLEN(sstr)); |
2175 | SvCUR_set(dstr, SvCUR(sstr)); | |
79072805 | 2176 | SvTEMP_off(dstr); |
a5f75d66 | 2177 | (void)SvOK_off(sstr); |
79072805 LW |
2178 | SvPV_set(sstr, Nullch); |
2179 | SvLEN_set(sstr, 0); | |
a5f75d66 AD |
2180 | SvCUR_set(sstr, 0); |
2181 | SvTEMP_off(sstr); | |
79072805 LW |
2182 | } |
2183 | else { /* have to copy actual string */ | |
8990e307 LW |
2184 | STRLEN len = SvCUR(sstr); |
2185 | ||
2186 | SvGROW(dstr, len + 1); /* inlined from sv_setpvn */ | |
2187 | Move(SvPVX(sstr),SvPVX(dstr),len,char); | |
2188 | SvCUR_set(dstr, len); | |
2189 | *SvEND(dstr) = '\0'; | |
a0d0e21e | 2190 | (void)SvPOK_only(dstr); |
79072805 LW |
2191 | } |
2192 | /*SUPPRESS 560*/ | |
8990e307 | 2193 | if (sflags & SVp_NOK) { |
79072805 | 2194 | SvNOK_on(dstr); |
463ee0b2 | 2195 | SvNVX(dstr) = SvNVX(sstr); |
79072805 | 2196 | } |
8990e307 | 2197 | if (sflags & SVp_IOK) { |
a0d0e21e | 2198 | (void)SvIOK_on(dstr); |
463ee0b2 | 2199 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2200 | } |
2201 | } | |
8990e307 | 2202 | else if (sflags & SVp_NOK) { |
463ee0b2 | 2203 | SvNVX(dstr) = SvNVX(sstr); |
a0d0e21e | 2204 | (void)SvNOK_only(dstr); |
79072805 | 2205 | if (SvIOK(sstr)) { |
a0d0e21e | 2206 | (void)SvIOK_on(dstr); |
463ee0b2 | 2207 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2208 | } |
2209 | } | |
8990e307 | 2210 | else if (sflags & SVp_IOK) { |
a0d0e21e | 2211 | (void)SvIOK_only(dstr); |
463ee0b2 | 2212 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2213 | } |
2214 | else { | |
20408e3c GS |
2215 | if (dtype == SVt_PVGV) { |
2216 | if (dowarn) | |
2217 | warn("Undefined value assigned to typeglob"); | |
2218 | } | |
2219 | else | |
2220 | (void)SvOK_off(dstr); | |
a0d0e21e | 2221 | } |
463ee0b2 | 2222 | SvTAINT(dstr); |
79072805 LW |
2223 | } |
2224 | ||
2225 | void | |
ef50df4b GS |
2226 | sv_setsv_mg(SV *dstr, register SV *sstr) |
2227 | { | |
2228 | sv_setsv(dstr,sstr); | |
2229 | SvSETMAGIC(dstr); | |
2230 | } | |
2231 | ||
2232 | void | |
8ac85365 | 2233 | sv_setpvn(register SV *sv, register const char *ptr, register STRLEN len) |
79072805 | 2234 | { |
c6f8c383 | 2235 | register char *dptr; |
4561caa4 CS |
2236 | assert(len >= 0); /* STRLEN is probably unsigned, so this may |
2237 | elicit a warning, but it won't hurt. */ | |
2213622d | 2238 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2239 | if (!ptr) { |
a0d0e21e | 2240 | (void)SvOK_off(sv); |
463ee0b2 LW |
2241 | return; |
2242 | } | |
c07a80fd | 2243 | if (SvTYPE(sv) >= SVt_PV) { |
2244 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2245 | sv_unglob(sv); | |
2246 | } | |
c6f8c383 GA |
2247 | else |
2248 | sv_upgrade(sv, SVt_PV); | |
2249 | ||
79072805 | 2250 | SvGROW(sv, len + 1); |
c6f8c383 GA |
2251 | dptr = SvPVX(sv); |
2252 | Move(ptr,dptr,len,char); | |
2253 | dptr[len] = '\0'; | |
79072805 | 2254 | SvCUR_set(sv, len); |
a0d0e21e | 2255 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2256 | SvTAINT(sv); |
79072805 LW |
2257 | } |
2258 | ||
2259 | void | |
ef50df4b GS |
2260 | sv_setpvn_mg(register SV *sv, register const char *ptr, register STRLEN len) |
2261 | { | |
2262 | sv_setpvn(sv,ptr,len); | |
2263 | SvSETMAGIC(sv); | |
2264 | } | |
2265 | ||
2266 | void | |
8ac85365 | 2267 | sv_setpv(register SV *sv, register const char *ptr) |
79072805 LW |
2268 | { |
2269 | register STRLEN len; | |
2270 | ||
2213622d | 2271 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2272 | if (!ptr) { |
a0d0e21e | 2273 | (void)SvOK_off(sv); |
463ee0b2 LW |
2274 | return; |
2275 | } | |
79072805 | 2276 | len = strlen(ptr); |
c07a80fd | 2277 | if (SvTYPE(sv) >= SVt_PV) { |
2278 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2279 | sv_unglob(sv); | |
2280 | } | |
c6f8c383 GA |
2281 | else |
2282 | sv_upgrade(sv, SVt_PV); | |
2283 | ||
79072805 | 2284 | SvGROW(sv, len + 1); |
463ee0b2 | 2285 | Move(ptr,SvPVX(sv),len+1,char); |
79072805 | 2286 | SvCUR_set(sv, len); |
a0d0e21e | 2287 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 LW |
2288 | SvTAINT(sv); |
2289 | } | |
2290 | ||
2291 | void | |
ef50df4b GS |
2292 | sv_setpv_mg(register SV *sv, register const char *ptr) |
2293 | { | |
2294 | sv_setpv(sv,ptr); | |
2295 | SvSETMAGIC(sv); | |
2296 | } | |
2297 | ||
2298 | void | |
8ac85365 | 2299 | sv_usepvn(register SV *sv, register char *ptr, register STRLEN len) |
463ee0b2 | 2300 | { |
2213622d | 2301 | SV_CHECK_THINKFIRST(sv); |
c6f8c383 | 2302 | (void)SvUPGRADE(sv, SVt_PV); |
463ee0b2 | 2303 | if (!ptr) { |
a0d0e21e | 2304 | (void)SvOK_off(sv); |
463ee0b2 LW |
2305 | return; |
2306 | } | |
2307 | if (SvPVX(sv)) | |
2308 | Safefree(SvPVX(sv)); | |
2309 | Renew(ptr, len+1, char); | |
2310 | SvPVX(sv) = ptr; | |
2311 | SvCUR_set(sv, len); | |
2312 | SvLEN_set(sv, len+1); | |
2313 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2314 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2315 | SvTAINT(sv); |
79072805 LW |
2316 | } |
2317 | ||
ef50df4b GS |
2318 | void |
2319 | sv_usepvn_mg(register SV *sv, register char *ptr, register STRLEN len) | |
2320 | { | |
51c1089b | 2321 | sv_usepvn(sv,ptr,len); |
ef50df4b GS |
2322 | SvSETMAGIC(sv); |
2323 | } | |
2324 | ||
0f15f207 | 2325 | static void |
8ac85365 | 2326 | sv_check_thinkfirst(register SV *sv) |
0f15f207 | 2327 | { |
2213622d GA |
2328 | if (SvREADONLY(sv)) { |
2329 | dTHR; | |
2330 | if (curcop != &compiling) | |
2331 | croak(no_modify); | |
0f15f207 | 2332 | } |
2213622d GA |
2333 | if (SvROK(sv)) |
2334 | sv_unref(sv); | |
0f15f207 MB |
2335 | } |
2336 | ||
79072805 | 2337 | void |
8ac85365 NIS |
2338 | sv_chop(register SV *sv, register char *ptr) /* like set but assuming ptr is in sv */ |
2339 | ||
2340 | ||
79072805 LW |
2341 | { |
2342 | register STRLEN delta; | |
2343 | ||
a0d0e21e | 2344 | if (!ptr || !SvPOKp(sv)) |
79072805 | 2345 | return; |
2213622d | 2346 | SV_CHECK_THINKFIRST(sv); |
79072805 LW |
2347 | if (SvTYPE(sv) < SVt_PVIV) |
2348 | sv_upgrade(sv,SVt_PVIV); | |
2349 | ||
2350 | if (!SvOOK(sv)) { | |
463ee0b2 | 2351 | SvIVX(sv) = 0; |
79072805 LW |
2352 | SvFLAGS(sv) |= SVf_OOK; |
2353 | } | |
8990e307 | 2354 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK); |
463ee0b2 | 2355 | delta = ptr - SvPVX(sv); |
79072805 LW |
2356 | SvLEN(sv) -= delta; |
2357 | SvCUR(sv) -= delta; | |
463ee0b2 LW |
2358 | SvPVX(sv) += delta; |
2359 | SvIVX(sv) += delta; | |
79072805 LW |
2360 | } |
2361 | ||
2362 | void | |
8ac85365 | 2363 | sv_catpvn(register SV *sv, register char *ptr, register STRLEN len) |
79072805 | 2364 | { |
463ee0b2 | 2365 | STRLEN tlen; |
748a9306 | 2366 | char *junk; |
a0d0e21e | 2367 | |
748a9306 | 2368 | junk = SvPV_force(sv, tlen); |
463ee0b2 | 2369 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2370 | if (ptr == junk) |
2371 | ptr = SvPVX(sv); | |
463ee0b2 | 2372 | Move(ptr,SvPVX(sv)+tlen,len,char); |
79072805 LW |
2373 | SvCUR(sv) += len; |
2374 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2375 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2376 | SvTAINT(sv); |
79072805 LW |
2377 | } |
2378 | ||
2379 | void | |
ef50df4b GS |
2380 | sv_catpvn_mg(register SV *sv, register char *ptr, register STRLEN len) |
2381 | { | |
2382 | sv_catpvn(sv,ptr,len); | |
2383 | SvSETMAGIC(sv); | |
2384 | } | |
2385 | ||
2386 | void | |
8ac85365 | 2387 | sv_catsv(SV *dstr, register SV *sstr) |
79072805 LW |
2388 | { |
2389 | char *s; | |
463ee0b2 | 2390 | STRLEN len; |
79072805 LW |
2391 | if (!sstr) |
2392 | return; | |
463ee0b2 LW |
2393 | if (s = SvPV(sstr, len)) |
2394 | sv_catpvn(dstr,s,len); | |
79072805 LW |
2395 | } |
2396 | ||
2397 | void | |
ef50df4b GS |
2398 | sv_catsv_mg(SV *dstr, register SV *sstr) |
2399 | { | |
2400 | sv_catsv(dstr,sstr); | |
2401 | SvSETMAGIC(dstr); | |
2402 | } | |
2403 | ||
2404 | void | |
8ac85365 | 2405 | sv_catpv(register SV *sv, register char *ptr) |
79072805 LW |
2406 | { |
2407 | register STRLEN len; | |
463ee0b2 | 2408 | STRLEN tlen; |
748a9306 | 2409 | char *junk; |
79072805 | 2410 | |
79072805 LW |
2411 | if (!ptr) |
2412 | return; | |
748a9306 | 2413 | junk = SvPV_force(sv, tlen); |
79072805 | 2414 | len = strlen(ptr); |
463ee0b2 | 2415 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2416 | if (ptr == junk) |
2417 | ptr = SvPVX(sv); | |
463ee0b2 | 2418 | Move(ptr,SvPVX(sv)+tlen,len+1,char); |
79072805 | 2419 | SvCUR(sv) += len; |
a0d0e21e | 2420 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2421 | SvTAINT(sv); |
79072805 LW |
2422 | } |
2423 | ||
ef50df4b GS |
2424 | void |
2425 | sv_catpv_mg(register SV *sv, register char *ptr) | |
2426 | { | |
51c1089b | 2427 | sv_catpv(sv,ptr); |
ef50df4b GS |
2428 | SvSETMAGIC(sv); |
2429 | } | |
2430 | ||
79072805 | 2431 | SV * |
8ac85365 | 2432 | newSV(STRLEN len) |
79072805 LW |
2433 | { |
2434 | register SV *sv; | |
2435 | ||
4561caa4 | 2436 | new_SV(sv); |
8990e307 LW |
2437 | SvANY(sv) = 0; |
2438 | SvREFCNT(sv) = 1; | |
2439 | SvFLAGS(sv) = 0; | |
79072805 LW |
2440 | if (len) { |
2441 | sv_upgrade(sv, SVt_PV); | |
2442 | SvGROW(sv, len + 1); | |
2443 | } | |
2444 | return sv; | |
2445 | } | |
2446 | ||
1edc1566 | 2447 | /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */ |
2448 | ||
79072805 | 2449 | void |
8ac85365 | 2450 | sv_magic(register SV *sv, SV *obj, int how, char *name, I32 namlen) |
79072805 LW |
2451 | { |
2452 | MAGIC* mg; | |
2453 | ||
0f15f207 MB |
2454 | if (SvREADONLY(sv)) { |
2455 | dTHR; | |
2456 | if (curcop != &compiling && !strchr("gBf", how)) | |
2457 | croak(no_modify); | |
2458 | } | |
4633a7c4 | 2459 | if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) { |
748a9306 LW |
2460 | if (SvMAGIC(sv) && (mg = mg_find(sv, how))) { |
2461 | if (how == 't') | |
2462 | mg->mg_len |= 1; | |
463ee0b2 | 2463 | return; |
748a9306 | 2464 | } |
463ee0b2 LW |
2465 | } |
2466 | else { | |
c6f8c383 | 2467 | (void)SvUPGRADE(sv, SVt_PVMG); |
463ee0b2 | 2468 | } |
79072805 LW |
2469 | Newz(702,mg, 1, MAGIC); |
2470 | mg->mg_moremagic = SvMAGIC(sv); | |
463ee0b2 | 2471 | |
79072805 | 2472 | SvMAGIC(sv) = mg; |
c277df42 | 2473 | if (!obj || obj == sv || how == '#' || how == 'r') |
8990e307 | 2474 | mg->mg_obj = obj; |
85e6fe83 | 2475 | else { |
11343788 | 2476 | dTHR; |
8990e307 | 2477 | mg->mg_obj = SvREFCNT_inc(obj); |
85e6fe83 LW |
2478 | mg->mg_flags |= MGf_REFCOUNTED; |
2479 | } | |
79072805 | 2480 | mg->mg_type = how; |
463ee0b2 | 2481 | mg->mg_len = namlen; |
1edc1566 | 2482 | if (name) |
2483 | if (namlen >= 0) | |
2484 | mg->mg_ptr = savepvn(name, namlen); | |
c6ee37c5 | 2485 | else if (namlen == HEf_SVKEY) |
1edc1566 | 2486 | mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name); |
2487 | ||
79072805 LW |
2488 | switch (how) { |
2489 | case 0: | |
2490 | mg->mg_virtual = &vtbl_sv; | |
2491 | break; | |
a0d0e21e LW |
2492 | #ifdef OVERLOAD |
2493 | case 'A': | |
2494 | mg->mg_virtual = &vtbl_amagic; | |
2495 | break; | |
2496 | case 'a': | |
2497 | mg->mg_virtual = &vtbl_amagicelem; | |
2498 | break; | |
2499 | case 'c': | |
2500 | mg->mg_virtual = 0; | |
2501 | break; | |
2502 | #endif /* OVERLOAD */ | |
79072805 LW |
2503 | case 'B': |
2504 | mg->mg_virtual = &vtbl_bm; | |
2505 | break; | |
79072805 LW |
2506 | case 'E': |
2507 | mg->mg_virtual = &vtbl_env; | |
2508 | break; | |
55497cff | 2509 | case 'f': |
2510 | mg->mg_virtual = &vtbl_fm; | |
2511 | break; | |
79072805 LW |
2512 | case 'e': |
2513 | mg->mg_virtual = &vtbl_envelem; | |
2514 | break; | |
93a17b20 LW |
2515 | case 'g': |
2516 | mg->mg_virtual = &vtbl_mglob; | |
2517 | break; | |
463ee0b2 LW |
2518 | case 'I': |
2519 | mg->mg_virtual = &vtbl_isa; | |
2520 | break; | |
2521 | case 'i': | |
2522 | mg->mg_virtual = &vtbl_isaelem; | |
2523 | break; | |
16660edb | 2524 | case 'k': |
2525 | mg->mg_virtual = &vtbl_nkeys; | |
2526 | break; | |
79072805 | 2527 | case 'L': |
a0d0e21e | 2528 | SvRMAGICAL_on(sv); |
93a17b20 LW |
2529 | mg->mg_virtual = 0; |
2530 | break; | |
2531 | case 'l': | |
79072805 LW |
2532 | mg->mg_virtual = &vtbl_dbline; |
2533 | break; | |
f93b4edd MB |
2534 | #ifdef USE_THREADS |
2535 | case 'm': | |
2536 | mg->mg_virtual = &vtbl_mutex; | |
2537 | break; | |
2538 | #endif /* USE_THREADS */ | |
36477c24 | 2539 | #ifdef USE_LOCALE_COLLATE |
bbce6d69 | 2540 | case 'o': |
2541 | mg->mg_virtual = &vtbl_collxfrm; | |
2542 | break; | |
36477c24 | 2543 | #endif /* USE_LOCALE_COLLATE */ |
463ee0b2 LW |
2544 | case 'P': |
2545 | mg->mg_virtual = &vtbl_pack; | |
2546 | break; | |
2547 | case 'p': | |
a0d0e21e | 2548 | case 'q': |
463ee0b2 LW |
2549 | mg->mg_virtual = &vtbl_packelem; |
2550 | break; | |
c277df42 IZ |
2551 | case 'r': |
2552 | mg->mg_virtual = &vtbl_regexp; | |
2553 | break; | |
79072805 LW |
2554 | case 'S': |
2555 | mg->mg_virtual = &vtbl_sig; | |
2556 | break; | |
2557 | case 's': | |
2558 | mg->mg_virtual = &vtbl_sigelem; | |
2559 | break; | |
463ee0b2 LW |
2560 | case 't': |
2561 | mg->mg_virtual = &vtbl_taint; | |
748a9306 | 2562 | mg->mg_len = 1; |
463ee0b2 | 2563 | break; |
79072805 LW |
2564 | case 'U': |
2565 | mg->mg_virtual = &vtbl_uvar; | |
2566 | break; | |
2567 | case 'v': | |
2568 | mg->mg_virtual = &vtbl_vec; | |
2569 | break; | |
2570 | case 'x': | |
2571 | mg->mg_virtual = &vtbl_substr; | |
2572 | break; | |
5f05dabc | 2573 | case 'y': |
68dc0745 | 2574 | mg->mg_virtual = &vtbl_defelem; |
5f05dabc | 2575 | break; |
79072805 LW |
2576 | case '*': |
2577 | mg->mg_virtual = &vtbl_glob; | |
2578 | break; | |
2579 | case '#': | |
2580 | mg->mg_virtual = &vtbl_arylen; | |
2581 | break; | |
a0d0e21e LW |
2582 | case '.': |
2583 | mg->mg_virtual = &vtbl_pos; | |
2584 | break; | |
4633a7c4 LW |
2585 | case '~': /* Reserved for use by extensions not perl internals. */ |
2586 | /* Useful for attaching extension internal data to perl vars. */ | |
2587 | /* Note that multiple extensions may clash if magical scalars */ | |
2588 | /* etc holding private data from one are passed to another. */ | |
2589 | SvRMAGICAL_on(sv); | |
a0d0e21e | 2590 | break; |
79072805 | 2591 | default: |
463ee0b2 LW |
2592 | croak("Don't know how to handle magic of type '%c'", how); |
2593 | } | |
8990e307 LW |
2594 | mg_magical(sv); |
2595 | if (SvGMAGICAL(sv)) | |
2596 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
463ee0b2 LW |
2597 | } |
2598 | ||
2599 | int | |
8ac85365 | 2600 | sv_unmagic(SV *sv, int type) |
463ee0b2 LW |
2601 | { |
2602 | MAGIC* mg; | |
2603 | MAGIC** mgp; | |
91bba347 | 2604 | if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv)) |
463ee0b2 LW |
2605 | return 0; |
2606 | mgp = &SvMAGIC(sv); | |
2607 | for (mg = *mgp; mg; mg = *mgp) { | |
2608 | if (mg->mg_type == type) { | |
2609 | MGVTBL* vtbl = mg->mg_virtual; | |
2610 | *mgp = mg->mg_moremagic; | |
2611 | if (vtbl && vtbl->svt_free) | |
2612 | (*vtbl->svt_free)(sv, mg); | |
2613 | if (mg->mg_ptr && mg->mg_type != 'g') | |
1edc1566 | 2614 | if (mg->mg_len >= 0) |
2615 | Safefree(mg->mg_ptr); | |
2616 | else if (mg->mg_len == HEf_SVKEY) | |
2617 | SvREFCNT_dec((SV*)mg->mg_ptr); | |
a0d0e21e LW |
2618 | if (mg->mg_flags & MGf_REFCOUNTED) |
2619 | SvREFCNT_dec(mg->mg_obj); | |
463ee0b2 LW |
2620 | Safefree(mg); |
2621 | } | |
2622 | else | |
2623 | mgp = &mg->mg_moremagic; | |
79072805 | 2624 | } |
91bba347 | 2625 | if (!SvMAGIC(sv)) { |
463ee0b2 | 2626 | SvMAGICAL_off(sv); |
8990e307 | 2627 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 LW |
2628 | } |
2629 | ||
2630 | return 0; | |
79072805 LW |
2631 | } |
2632 | ||
2633 | void | |
8ac85365 | 2634 | sv_insert(SV *bigstr, STRLEN offset, STRLEN len, char *little, STRLEN littlelen) |
79072805 LW |
2635 | { |
2636 | register char *big; | |
2637 | register char *mid; | |
2638 | register char *midend; | |
2639 | register char *bigend; | |
2640 | register I32 i; | |
2641 | ||
8990e307 LW |
2642 | if (!bigstr) |
2643 | croak("Can't modify non-existent substring"); | |
a0d0e21e | 2644 | SvPV_force(bigstr, na); |
79072805 LW |
2645 | |
2646 | i = littlelen - len; | |
2647 | if (i > 0) { /* string might grow */ | |
a0d0e21e | 2648 | big = SvGROW(bigstr, SvCUR(bigstr) + i + 1); |
79072805 LW |
2649 | mid = big + offset + len; |
2650 | midend = bigend = big + SvCUR(bigstr); | |
2651 | bigend += i; | |
2652 | *bigend = '\0'; | |
2653 | while (midend > mid) /* shove everything down */ | |
2654 | *--bigend = *--midend; | |
2655 | Move(little,big+offset,littlelen,char); | |
2656 | SvCUR(bigstr) += i; | |
2657 | SvSETMAGIC(bigstr); | |
2658 | return; | |
2659 | } | |
2660 | else if (i == 0) { | |
463ee0b2 | 2661 | Move(little,SvPVX(bigstr)+offset,len,char); |
79072805 LW |
2662 | SvSETMAGIC(bigstr); |
2663 | return; | |
2664 | } | |
2665 | ||
463ee0b2 | 2666 | big = SvPVX(bigstr); |
79072805 LW |
2667 | mid = big + offset; |
2668 | midend = mid + len; | |
2669 | bigend = big + SvCUR(bigstr); | |
2670 | ||
2671 | if (midend > bigend) | |
463ee0b2 | 2672 | croak("panic: sv_insert"); |
79072805 LW |
2673 | |
2674 | if (mid - big > bigend - midend) { /* faster to shorten from end */ | |
2675 | if (littlelen) { | |
2676 | Move(little, mid, littlelen,char); | |
2677 | mid += littlelen; | |
2678 | } | |
2679 | i = bigend - midend; | |
2680 | if (i > 0) { | |
2681 | Move(midend, mid, i,char); | |
2682 | mid += i; | |
2683 | } | |
2684 | *mid = '\0'; | |
2685 | SvCUR_set(bigstr, mid - big); | |
2686 | } | |
2687 | /*SUPPRESS 560*/ | |
2688 | else if (i = mid - big) { /* faster from front */ | |
2689 | midend -= littlelen; | |
2690 | mid = midend; | |
2691 | sv_chop(bigstr,midend-i); | |
2692 | big += i; | |
2693 | while (i--) | |
2694 | *--midend = *--big; | |
2695 | if (littlelen) | |
2696 | Move(little, mid, littlelen,char); | |
2697 | } | |
2698 | else if (littlelen) { | |
2699 | midend -= littlelen; | |
2700 | sv_chop(bigstr,midend); | |
2701 | Move(little,midend,littlelen,char); | |
2702 | } | |
2703 | else { | |
2704 | sv_chop(bigstr,midend); | |
2705 | } | |
2706 | SvSETMAGIC(bigstr); | |
2707 | } | |
2708 | ||
2709 | /* make sv point to what nstr did */ | |
2710 | ||
2711 | void | |
8ac85365 | 2712 | sv_replace(register SV *sv, register SV *nsv) |
79072805 LW |
2713 | { |
2714 | U32 refcnt = SvREFCNT(sv); | |
2213622d | 2715 | SV_CHECK_THINKFIRST(sv); |
79072805 LW |
2716 | if (SvREFCNT(nsv) != 1) |
2717 | warn("Reference miscount in sv_replace()"); | |
93a17b20 | 2718 | if (SvMAGICAL(sv)) { |
a0d0e21e LW |
2719 | if (SvMAGICAL(nsv)) |
2720 | mg_free(nsv); | |
2721 | else | |
2722 | sv_upgrade(nsv, SVt_PVMG); | |
93a17b20 | 2723 | SvMAGIC(nsv) = SvMAGIC(sv); |
a0d0e21e | 2724 | SvFLAGS(nsv) |= SvMAGICAL(sv); |
93a17b20 LW |
2725 | SvMAGICAL_off(sv); |
2726 | SvMAGIC(sv) = 0; | |
2727 | } | |
79072805 LW |
2728 | SvREFCNT(sv) = 0; |
2729 | sv_clear(sv); | |
477f5d66 | 2730 | assert(!SvREFCNT(sv)); |
79072805 LW |
2731 | StructCopy(nsv,sv,SV); |
2732 | SvREFCNT(sv) = refcnt; | |
1edc1566 | 2733 | SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */ |
463ee0b2 | 2734 | del_SV(nsv); |
79072805 LW |
2735 | } |
2736 | ||
2737 | void | |
8ac85365 | 2738 | sv_clear(register SV *sv) |
79072805 | 2739 | { |
ec12f114 | 2740 | HV* stash; |
79072805 LW |
2741 | assert(sv); |
2742 | assert(SvREFCNT(sv) == 0); | |
2743 | ||
ed6116ce | 2744 | if (SvOBJECT(sv)) { |
e858de61 | 2745 | dTHR; |
a0d0e21e | 2746 | if (defstash) { /* Still have a symbol table? */ |
4e35701f | 2747 | djSP; |
8ebc5c01 | 2748 | GV* destructor; |
4e8e7886 | 2749 | SV ref; |
a0d0e21e | 2750 | |
4e8e7886 GS |
2751 | Zero(&ref, 1, SV); |
2752 | sv_upgrade(&ref, SVt_RV); | |
2753 | SvROK_on(&ref); | |
2754 | SvREADONLY_on(&ref); /* DESTROY() could be naughty */ | |
2755 | SvREFCNT(&ref) = 1; | |
2756 | ||
2757 | do { | |
2758 | stash = SvSTASH(sv); | |
2759 | destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); | |
2760 | if (destructor) { | |
2761 | ENTER; | |
e336de0d | 2762 | PUSHSTACK(SI_DESTROY); |
4e8e7886 GS |
2763 | SvRV(&ref) = SvREFCNT_inc(sv); |
2764 | EXTEND(SP, 2); | |
2765 | PUSHMARK(SP); | |
2766 | PUSHs(&ref); | |
2767 | PUTBACK; | |
2768 | perl_call_sv((SV*)GvCV(destructor), | |
2769 | G_DISCARD|G_EVAL|G_KEEPERR); | |
2770 | SvREFCNT(sv)--; | |
e336de0d | 2771 | POPSTACK(); |
4e8e7886 GS |
2772 | LEAVE; |
2773 | } | |
2774 | } while (SvOBJECT(sv) && SvSTASH(sv) != stash); | |
8ebc5c01 | 2775 | |
4e8e7886 | 2776 | del_XRV(SvANY(&ref)); |
a0d0e21e | 2777 | } |
4e8e7886 | 2778 | |
a0d0e21e | 2779 | if (SvOBJECT(sv)) { |
4e8e7886 | 2780 | SvREFCNT_dec(SvSTASH(sv)); /* possibly of changed persuasion */ |
a0d0e21e LW |
2781 | SvOBJECT_off(sv); /* Curse the object. */ |
2782 | if (SvTYPE(sv) != SVt_PVIO) | |
2783 | --sv_objcount; /* XXX Might want something more general */ | |
2784 | } | |
1edc1566 | 2785 | if (SvREFCNT(sv)) { |
477f5d66 CS |
2786 | if (in_clean_objs) |
2787 | croak("DESTROY created new reference to dead object"); | |
2788 | /* DESTROY gave object new lease on life */ | |
2789 | return; | |
1edc1566 | 2790 | } |
463ee0b2 | 2791 | } |
c07a80fd | 2792 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) |
a0d0e21e | 2793 | mg_free(sv); |
ec12f114 | 2794 | stash = NULL; |
79072805 | 2795 | switch (SvTYPE(sv)) { |
8990e307 | 2796 | case SVt_PVIO: |
5f05dabc | 2797 | if (IoIFP(sv) != PerlIO_stdin() && |
2798 | IoIFP(sv) != PerlIO_stdout() && | |
2799 | IoIFP(sv) != PerlIO_stderr()) | |
2800 | io_close((IO*)sv); | |
8990e307 LW |
2801 | Safefree(IoTOP_NAME(sv)); |
2802 | Safefree(IoFMT_NAME(sv)); | |
2803 | Safefree(IoBOTTOM_NAME(sv)); | |
a0d0e21e | 2804 | /* FALL THROUGH */ |
79072805 | 2805 | case SVt_PVBM: |
a0d0e21e | 2806 | goto freescalar; |
79072805 | 2807 | case SVt_PVCV: |
748a9306 | 2808 | case SVt_PVFM: |
85e6fe83 | 2809 | cv_undef((CV*)sv); |
a0d0e21e | 2810 | goto freescalar; |
79072805 | 2811 | case SVt_PVHV: |
85e6fe83 | 2812 | hv_undef((HV*)sv); |
a0d0e21e | 2813 | break; |
79072805 | 2814 | case SVt_PVAV: |
85e6fe83 | 2815 | av_undef((AV*)sv); |
a0d0e21e LW |
2816 | break; |
2817 | case SVt_PVGV: | |
1edc1566 | 2818 | gp_free((GV*)sv); |
a0d0e21e | 2819 | Safefree(GvNAME(sv)); |
ec12f114 JPC |
2820 | /* cannot decrease stash refcount yet, as we might recursively delete |
2821 | ourselves when the refcnt drops to zero. Delay SvREFCNT_dec | |
2822 | of stash until current sv is completely gone. | |
2823 | -- JohnPC, 27 Mar 1998 */ | |
2824 | stash = GvSTASH(sv); | |
a0d0e21e | 2825 | /* FALL THROUGH */ |
79072805 | 2826 | case SVt_PVLV: |
79072805 | 2827 | case SVt_PVMG: |
79072805 LW |
2828 | case SVt_PVNV: |
2829 | case SVt_PVIV: | |
a0d0e21e LW |
2830 | freescalar: |
2831 | (void)SvOOK_off(sv); | |
79072805 LW |
2832 | /* FALL THROUGH */ |
2833 | case SVt_PV: | |
a0d0e21e | 2834 | case SVt_RV: |
8990e307 LW |
2835 | if (SvROK(sv)) |
2836 | SvREFCNT_dec(SvRV(sv)); | |
1edc1566 | 2837 | else if (SvPVX(sv) && SvLEN(sv)) |
463ee0b2 | 2838 | Safefree(SvPVX(sv)); |
79072805 | 2839 | break; |
a0d0e21e | 2840 | /* |
79072805 | 2841 | case SVt_NV: |
79072805 | 2842 | case SVt_IV: |
79072805 LW |
2843 | case SVt_NULL: |
2844 | break; | |
a0d0e21e | 2845 | */ |
79072805 LW |
2846 | } |
2847 | ||
2848 | switch (SvTYPE(sv)) { | |
2849 | case SVt_NULL: | |
2850 | break; | |
79072805 LW |
2851 | case SVt_IV: |
2852 | del_XIV(SvANY(sv)); | |
2853 | break; | |
2854 | case SVt_NV: | |
2855 | del_XNV(SvANY(sv)); | |
2856 | break; | |
ed6116ce LW |
2857 | case SVt_RV: |
2858 | del_XRV(SvANY(sv)); | |
2859 | break; | |
79072805 LW |
2860 | case SVt_PV: |
2861 | del_XPV(SvANY(sv)); | |
2862 | break; | |
2863 | case SVt_PVIV: | |
2864 | del_XPVIV(SvANY(sv)); | |
2865 | break; | |
2866 | case SVt_PVNV: | |
2867 | del_XPVNV(SvANY(sv)); | |
2868 | break; | |
2869 | case SVt_PVMG: | |
2870 | del_XPVMG(SvANY(sv)); | |
2871 | break; | |
2872 | case SVt_PVLV: | |
2873 | del_XPVLV(SvANY(sv)); | |
2874 | break; | |
2875 | case SVt_PVAV: | |
2876 | del_XPVAV(SvANY(sv)); | |
2877 | break; | |
2878 | case SVt_PVHV: | |
2879 | del_XPVHV(SvANY(sv)); | |
2880 | break; | |
2881 | case SVt_PVCV: | |
2882 | del_XPVCV(SvANY(sv)); | |
2883 | break; | |
2884 | case SVt_PVGV: | |
2885 | del_XPVGV(SvANY(sv)); | |
ec12f114 JPC |
2886 | /* code duplication for increased performance. */ |
2887 | SvFLAGS(sv) &= SVf_BREAK; | |
2888 | SvFLAGS(sv) |= SVTYPEMASK; | |
2889 | /* decrease refcount of the stash that owns this GV, if any */ | |
2890 | if (stash) | |
2891 | SvREFCNT_dec(stash); | |
2892 | return; /* not break, SvFLAGS reset already happened */ | |
79072805 LW |
2893 | case SVt_PVBM: |
2894 | del_XPVBM(SvANY(sv)); | |
2895 | break; | |
2896 | case SVt_PVFM: | |
2897 | del_XPVFM(SvANY(sv)); | |
2898 | break; | |
8990e307 LW |
2899 | case SVt_PVIO: |
2900 | del_XPVIO(SvANY(sv)); | |
2901 | break; | |
79072805 | 2902 | } |
a0d0e21e | 2903 | SvFLAGS(sv) &= SVf_BREAK; |
8990e307 | 2904 | SvFLAGS(sv) |= SVTYPEMASK; |
79072805 LW |
2905 | } |
2906 | ||
2907 | SV * | |
8ac85365 | 2908 | sv_newref(SV *sv) |
79072805 | 2909 | { |
463ee0b2 | 2910 | if (sv) |
dce16143 | 2911 | ATOMIC_INC(SvREFCNT(sv)); |
79072805 LW |
2912 | return sv; |
2913 | } | |
2914 | ||
2915 | void | |
8ac85365 | 2916 | sv_free(SV *sv) |
79072805 | 2917 | { |
dce16143 MB |
2918 | int refcount_is_zero; |
2919 | ||
79072805 LW |
2920 | if (!sv) |
2921 | return; | |
a0d0e21e LW |
2922 | if (SvREADONLY(sv)) { |
2923 | if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no) | |
2924 | return; | |
79072805 | 2925 | } |
a0d0e21e LW |
2926 | if (SvREFCNT(sv) == 0) { |
2927 | if (SvFLAGS(sv) & SVf_BREAK) | |
2928 | return; | |
1edc1566 | 2929 | if (in_clean_all) /* All is fair */ |
2930 | return; | |
79072805 LW |
2931 | warn("Attempt to free unreferenced scalar"); |
2932 | return; | |
2933 | } | |
dce16143 MB |
2934 | ATOMIC_DEC_AND_TEST(refcount_is_zero, SvREFCNT(sv)); |
2935 | if (!refcount_is_zero) | |
8990e307 | 2936 | return; |
463ee0b2 LW |
2937 | #ifdef DEBUGGING |
2938 | if (SvTEMP(sv)) { | |
0f15f207 | 2939 | warn("Attempt to free temp prematurely: %s", SvPEEK(sv)); |
79072805 | 2940 | return; |
79072805 | 2941 | } |
463ee0b2 | 2942 | #endif |
79072805 | 2943 | sv_clear(sv); |
477f5d66 CS |
2944 | if (! SvREFCNT(sv)) |
2945 | del_SV(sv); | |
79072805 LW |
2946 | } |
2947 | ||
2948 | STRLEN | |
8ac85365 | 2949 | sv_len(register SV *sv) |
79072805 | 2950 | { |
748a9306 | 2951 | char *junk; |
463ee0b2 | 2952 | STRLEN len; |
79072805 LW |
2953 | |
2954 | if (!sv) | |
2955 | return 0; | |
2956 | ||
8990e307 LW |
2957 | if (SvGMAGICAL(sv)) |
2958 | len = mg_len(sv); | |
2959 | else | |
748a9306 | 2960 | junk = SvPV(sv, len); |
463ee0b2 | 2961 | return len; |
79072805 LW |
2962 | } |
2963 | ||
2964 | I32 | |
8ac85365 | 2965 | sv_eq(register SV *str1, register SV *str2) |
79072805 LW |
2966 | { |
2967 | char *pv1; | |
463ee0b2 | 2968 | STRLEN cur1; |
79072805 | 2969 | char *pv2; |
463ee0b2 | 2970 | STRLEN cur2; |
79072805 LW |
2971 | |
2972 | if (!str1) { | |
2973 | pv1 = ""; | |
2974 | cur1 = 0; | |
2975 | } | |
463ee0b2 LW |
2976 | else |
2977 | pv1 = SvPV(str1, cur1); | |
79072805 LW |
2978 | |
2979 | if (!str2) | |
2980 | return !cur1; | |
463ee0b2 LW |
2981 | else |
2982 | pv2 = SvPV(str2, cur2); | |
79072805 LW |
2983 | |
2984 | if (cur1 != cur2) | |
2985 | return 0; | |
2986 | ||
36477c24 | 2987 | return memEQ(pv1, pv2, cur1); |
79072805 LW |
2988 | } |
2989 | ||
2990 | I32 | |
8ac85365 | 2991 | sv_cmp(register SV *str1, register SV *str2) |
79072805 | 2992 | { |
bbce6d69 | 2993 | STRLEN cur1 = 0; |
8ac85365 | 2994 | char *pv1 = str1 ? SvPV(str1, cur1) : (char *) NULL; |
bbce6d69 | 2995 | STRLEN cur2 = 0; |
8ac85365 | 2996 | char *pv2 = str2 ? SvPV(str2, cur2) : (char *) NULL; |
79072805 | 2997 | I32 retval; |
79072805 | 2998 | |
bbce6d69 | 2999 | if (!cur1) |
3000 | return cur2 ? -1 : 0; | |
16660edb | 3001 | |
bbce6d69 | 3002 | if (!cur2) |
3003 | return 1; | |
79072805 | 3004 | |
bbce6d69 | 3005 | retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2); |
16660edb | 3006 | |
bbce6d69 | 3007 | if (retval) |
3008 | return retval < 0 ? -1 : 1; | |
16660edb | 3009 | |
bbce6d69 | 3010 | if (cur1 == cur2) |
3011 | return 0; | |
3012 | else | |
3013 | return cur1 < cur2 ? -1 : 1; | |
3014 | } | |
16660edb | 3015 | |
bbce6d69 | 3016 | I32 |
8ac85365 | 3017 | sv_cmp_locale(register SV *sv1, register SV *sv2) |
bbce6d69 | 3018 | { |
36477c24 | 3019 | #ifdef USE_LOCALE_COLLATE |
16660edb | 3020 | |
bbce6d69 | 3021 | char *pv1, *pv2; |
3022 | STRLEN len1, len2; | |
3023 | I32 retval; | |
16660edb | 3024 | |
bbce6d69 | 3025 | if (collation_standard) |
3026 | goto raw_compare; | |
16660edb | 3027 | |
bbce6d69 | 3028 | len1 = 0; |
8ac85365 | 3029 | pv1 = sv1 ? sv_collxfrm(sv1, &len1) : (char *) NULL; |
bbce6d69 | 3030 | len2 = 0; |
8ac85365 | 3031 | pv2 = sv2 ? sv_collxfrm(sv2, &len2) : (char *) NULL; |
16660edb | 3032 | |
bbce6d69 | 3033 | if (!pv1 || !len1) { |
3034 | if (pv2 && len2) | |
3035 | return -1; | |
3036 | else | |
3037 | goto raw_compare; | |
3038 | } | |
3039 | else { | |
3040 | if (!pv2 || !len2) | |
3041 | return 1; | |
3042 | } | |
16660edb | 3043 | |
bbce6d69 | 3044 | retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2); |
16660edb | 3045 | |
bbce6d69 | 3046 | if (retval) |
16660edb | 3047 | return retval < 0 ? -1 : 1; |
3048 | ||
bbce6d69 | 3049 | /* |
3050 | * When the result of collation is equality, that doesn't mean | |
3051 | * that there are no differences -- some locales exclude some | |
3052 | * characters from consideration. So to avoid false equalities, | |
3053 | * we use the raw string as a tiebreaker. | |
3054 | */ | |
16660edb | 3055 | |
bbce6d69 | 3056 | raw_compare: |
3057 | /* FALL THROUGH */ | |
16660edb | 3058 | |
36477c24 | 3059 | #endif /* USE_LOCALE_COLLATE */ |
16660edb | 3060 | |
bbce6d69 | 3061 | return sv_cmp(sv1, sv2); |
3062 | } | |
79072805 | 3063 | |
36477c24 | 3064 | #ifdef USE_LOCALE_COLLATE |
7a4c00b4 | 3065 | /* |
3066 | * Any scalar variable may carry an 'o' magic that contains the | |
3067 | * scalar data of the variable transformed to such a format that | |
3068 | * a normal memory comparison can be used to compare the data | |
3069 | * according to the locale settings. | |
3070 | */ | |
bbce6d69 | 3071 | char * |
8ac85365 | 3072 | sv_collxfrm(SV *sv, STRLEN *nxp) |
bbce6d69 | 3073 | { |
7a4c00b4 | 3074 | MAGIC *mg; |
16660edb | 3075 | |
8ac85365 | 3076 | mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : (MAGIC *) NULL; |
7a4c00b4 | 3077 | if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != collation_ix) { |
bbce6d69 | 3078 | char *s, *xf; |
3079 | STRLEN len, xlen; | |
3080 | ||
7a4c00b4 | 3081 | if (mg) |
3082 | Safefree(mg->mg_ptr); | |
bbce6d69 | 3083 | s = SvPV(sv, len); |
3084 | if ((xf = mem_collxfrm(s, len, &xlen))) { | |
ff0cee69 | 3085 | if (SvREADONLY(sv)) { |
3086 | SAVEFREEPV(xf); | |
3087 | *nxp = xlen; | |
fb73857a | 3088 | return xf + sizeof(collation_ix); |
ff0cee69 | 3089 | } |
7a4c00b4 | 3090 | if (! mg) { |
3091 | sv_magic(sv, 0, 'o', 0, 0); | |
3092 | mg = mg_find(sv, 'o'); | |
3093 | assert(mg); | |
bbce6d69 | 3094 | } |
7a4c00b4 | 3095 | mg->mg_ptr = xf; |
3096 | mg->mg_len = xlen; | |
3097 | } | |
3098 | else { | |
ff0cee69 | 3099 | if (mg) { |
3100 | mg->mg_ptr = NULL; | |
3101 | mg->mg_len = -1; | |
3102 | } | |
bbce6d69 | 3103 | } |
3104 | } | |
7a4c00b4 | 3105 | if (mg && mg->mg_ptr) { |
bbce6d69 | 3106 | *nxp = mg->mg_len; |
3107 | return mg->mg_ptr + sizeof(collation_ix); | |
3108 | } | |
3109 | else { | |
3110 | *nxp = 0; | |
3111 | return NULL; | |
16660edb | 3112 | } |
79072805 LW |
3113 | } |
3114 | ||
36477c24 | 3115 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 3116 | |
79072805 | 3117 | char * |
6acef3b7 | 3118 | sv_gets(register SV *sv, register PerlIO *fp, I32 append) |
79072805 | 3119 | { |
aeea060c | 3120 | dTHR; |
c07a80fd | 3121 | char *rsptr; |
3122 | STRLEN rslen; | |
3123 | register STDCHAR rslast; | |
3124 | register STDCHAR *bp; | |
3125 | register I32 cnt; | |
3126 | I32 i; | |
3127 | ||
2213622d | 3128 | SV_CHECK_THINKFIRST(sv); |
c6f8c383 | 3129 | (void)SvUPGRADE(sv, SVt_PV); |
ff68c719 | 3130 | SvSCREAM_off(sv); |
c07a80fd | 3131 | |
3132 | if (RsSNARF(rs)) { | |
3133 | rsptr = NULL; | |
3134 | rslen = 0; | |
3135 | } | |
3136 | else if (RsPARA(rs)) { | |
3137 | rsptr = "\n\n"; | |
3138 | rslen = 2; | |
3139 | } | |
3140 | else | |
3141 | rsptr = SvPV(rs, rslen); | |
3142 | rslast = rslen ? rsptr[rslen - 1] : '\0'; | |
3143 | ||
3144 | if (RsPARA(rs)) { /* have to do this both before and after */ | |
79072805 | 3145 | do { /* to make sure file boundaries work right */ |
760ac839 | 3146 | if (PerlIO_eof(fp)) |
a0d0e21e | 3147 | return 0; |
760ac839 | 3148 | i = PerlIO_getc(fp); |
79072805 | 3149 | if (i != '\n') { |
a0d0e21e LW |
3150 | if (i == -1) |
3151 | return 0; | |
760ac839 | 3152 | PerlIO_ungetc(fp,i); |
79072805 LW |
3153 | break; |
3154 | } | |
3155 | } while (i != EOF); | |
3156 | } | |
c07a80fd | 3157 | |
760ac839 LW |
3158 | /* See if we know enough about I/O mechanism to cheat it ! */ |
3159 | ||
3160 | /* This used to be #ifdef test - it is made run-time test for ease | |
3161 | of abstracting out stdio interface. One call should be cheap | |
3162 | enough here - and may even be a macro allowing compile | |
3163 | time optimization. | |
3164 | */ | |
3165 | ||
3166 | if (PerlIO_fast_gets(fp)) { | |
3167 | ||
3168 | /* | |
3169 | * We're going to steal some values from the stdio struct | |
3170 | * and put EVERYTHING in the innermost loop into registers. | |
3171 | */ | |
3172 | register STDCHAR *ptr; | |
3173 | STRLEN bpx; | |
3174 | I32 shortbuffered; | |
3175 | ||
16660edb | 3176 | #if defined(VMS) && defined(PERLIO_IS_STDIO) |
3177 | /* An ungetc()d char is handled separately from the regular | |
3178 | * buffer, so we getc() it back out and stuff it in the buffer. | |
3179 | */ | |
3180 | i = PerlIO_getc(fp); | |
3181 | if (i == EOF) return 0; | |
3182 | *(--((*fp)->_ptr)) = (unsigned char) i; | |
3183 | (*fp)->_cnt++; | |
3184 | #endif | |
c07a80fd | 3185 | |
c2960299 | 3186 | /* Here is some breathtakingly efficient cheating */ |
c07a80fd | 3187 | |
760ac839 | 3188 | cnt = PerlIO_get_cnt(fp); /* get count into register */ |
a0d0e21e | 3189 | (void)SvPOK_only(sv); /* validate pointer */ |
79072805 LW |
3190 | if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ |
3191 | if (cnt > 80 && SvLEN(sv) > append) { | |
3192 | shortbuffered = cnt - SvLEN(sv) + append + 1; | |
3193 | cnt -= shortbuffered; | |
3194 | } | |
3195 | else { | |
3196 | shortbuffered = 0; | |
bbce6d69 | 3197 | /* remember that cnt can be negative */ |
3198 | SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1))); | |
79072805 LW |
3199 | } |
3200 | } | |
3201 | else | |
3202 | shortbuffered = 0; | |
c07a80fd | 3203 | bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */ |
760ac839 | 3204 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); |
16660edb | 3205 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3206 | "Screamer: entering, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
16660edb | 3207 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3208 | "Screamer: entering: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3209 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3210 | (long)(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 LW |
3211 | for (;;) { |
3212 | screamer: | |
93a17b20 | 3213 | if (cnt > 0) { |
c07a80fd | 3214 | if (rslen) { |
760ac839 LW |
3215 | while (cnt > 0) { /* this | eat */ |
3216 | cnt--; | |
c07a80fd | 3217 | if ((*bp++ = *ptr++) == rslast) /* really | dust */ |
3218 | goto thats_all_folks; /* screams | sed :-) */ | |
3219 | } | |
3220 | } | |
3221 | else { | |
36477c24 | 3222 | Copy(ptr, bp, cnt, char); /* this | eat */ |
c07a80fd | 3223 | bp += cnt; /* screams | dust */ |
3224 | ptr += cnt; /* louder | sed :-) */ | |
a5f75d66 | 3225 | cnt = 0; |
93a17b20 | 3226 | } |
79072805 LW |
3227 | } |
3228 | ||
748a9306 | 3229 | if (shortbuffered) { /* oh well, must extend */ |
79072805 LW |
3230 | cnt = shortbuffered; |
3231 | shortbuffered = 0; | |
c07a80fd | 3232 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3233 | SvCUR_set(sv, bpx); |
3234 | SvGROW(sv, SvLEN(sv) + append + cnt + 2); | |
c07a80fd | 3235 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
79072805 LW |
3236 | continue; |
3237 | } | |
3238 | ||
16660edb | 3239 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3240 | "Screamer: going to getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3241 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */ |
16660edb | 3242 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3243 | "Screamer: pre: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3244 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3245 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
16660edb | 3246 | /* This used to call 'filbuf' in stdio form, but as that behaves like |
774d564b | 3247 | getc when cnt <= 0 we use PerlIO_getc here to avoid introducing |
3248 | another abstraction. */ | |
760ac839 | 3249 | i = PerlIO_getc(fp); /* get more characters */ |
16660edb | 3250 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3251 | "Screamer: post: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3252 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3253 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
760ac839 LW |
3254 | cnt = PerlIO_get_cnt(fp); |
3255 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */ | |
16660edb | 3256 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3257 | "Screamer: after getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
79072805 | 3258 | |
748a9306 LW |
3259 | if (i == EOF) /* all done for ever? */ |
3260 | goto thats_really_all_folks; | |
3261 | ||
c07a80fd | 3262 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3263 | SvCUR_set(sv, bpx); |
3264 | SvGROW(sv, bpx + cnt + 2); | |
c07a80fd | 3265 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
3266 | ||
760ac839 | 3267 | *bp++ = i; /* store character from PerlIO_getc */ |
79072805 | 3268 | |
c07a80fd | 3269 | if (rslen && (STDCHAR)i == rslast) /* all done for now? */ |
79072805 | 3270 | goto thats_all_folks; |
79072805 LW |
3271 | } |
3272 | ||
3273 | thats_all_folks: | |
c07a80fd | 3274 | if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) || |
36477c24 | 3275 | memNE((char*)bp - rslen, rsptr, rslen)) |
760ac839 | 3276 | goto screamer; /* go back to the fray */ |
79072805 LW |
3277 | thats_really_all_folks: |
3278 | if (shortbuffered) | |
3279 | cnt += shortbuffered; | |
16660edb | 3280 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3281 | "Screamer: quitting, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3282 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */ |
16660edb | 3283 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3284 | "Screamer: end: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3285 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3286 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 | 3287 | *bp = '\0'; |
760ac839 | 3288 | SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */ |
16660edb | 3289 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
fb73857a | 3290 | "Screamer: done, len=%ld, string=|%.*s|\n", |
3291 | (long)SvCUR(sv),(int)SvCUR(sv),SvPVX(sv))); | |
760ac839 LW |
3292 | } |
3293 | else | |
79072805 | 3294 | { |
760ac839 | 3295 | /*The big, slow, and stupid way */ |
c07a80fd | 3296 | STDCHAR buf[8192]; |
79072805 | 3297 | |
760ac839 | 3298 | screamer2: |
c07a80fd | 3299 | if (rslen) { |
760ac839 LW |
3300 | register STDCHAR *bpe = buf + sizeof(buf); |
3301 | bp = buf; | |
3302 | while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe) | |
3303 | ; /* keep reading */ | |
3304 | cnt = bp - buf; | |
c07a80fd | 3305 | } |
3306 | else { | |
760ac839 | 3307 | cnt = PerlIO_read(fp,(char*)buf, sizeof(buf)); |
16660edb | 3308 | /* Accomodate broken VAXC compiler, which applies U8 cast to |
3309 | * both args of ?: operator, causing EOF to change into 255 | |
3310 | */ | |
3311 | if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; } | |
c07a80fd | 3312 | } |
79072805 LW |
3313 | |
3314 | if (append) | |
760ac839 | 3315 | sv_catpvn(sv, (char *) buf, cnt); |
79072805 | 3316 | else |
760ac839 | 3317 | sv_setpvn(sv, (char *) buf, cnt); |
c07a80fd | 3318 | |
3319 | if (i != EOF && /* joy */ | |
3320 | (!rslen || | |
3321 | SvCUR(sv) < rslen || | |
36477c24 | 3322 | memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen))) |
79072805 LW |
3323 | { |
3324 | append = -1; | |
63e4d877 CS |
3325 | /* |
3326 | * If we're reading from a TTY and we get a short read, | |
3327 | * indicating that the user hit his EOF character, we need | |
3328 | * to notice it now, because if we try to read from the TTY | |
3329 | * again, the EOF condition will disappear. | |
3330 | * | |
3331 | * The comparison of cnt to sizeof(buf) is an optimization | |
3332 | * that prevents unnecessary calls to feof(). | |
3333 | * | |
3334 | * - jik 9/25/96 | |
3335 | */ | |
3336 | if (!(cnt < sizeof(buf) && PerlIO_eof(fp))) | |
3337 | goto screamer2; | |
79072805 LW |
3338 | } |
3339 | } | |
3340 | ||
c07a80fd | 3341 | if (RsPARA(rs)) { /* have to do this both before and after */ |
3342 | while (i != EOF) { /* to make sure file boundaries work right */ | |
760ac839 | 3343 | i = PerlIO_getc(fp); |
79072805 | 3344 | if (i != '\n') { |
760ac839 | 3345 | PerlIO_ungetc(fp,i); |
79072805 LW |
3346 | break; |
3347 | } | |
3348 | } | |
3349 | } | |
c07a80fd | 3350 | |
a868473f NIS |
3351 | #ifdef WIN32 |
3352 | win32_strip_return(sv); | |
3353 | #endif | |
3354 | ||
c07a80fd | 3355 | return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch; |
79072805 LW |
3356 | } |
3357 | ||
760ac839 | 3358 | |
79072805 | 3359 | void |
8ac85365 | 3360 | sv_inc(register SV *sv) |
79072805 LW |
3361 | { |
3362 | register char *d; | |
463ee0b2 | 3363 | int flags; |
79072805 LW |
3364 | |
3365 | if (!sv) | |
3366 | return; | |
ed6116ce | 3367 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3368 | if (SvREADONLY(sv)) { |
3369 | dTHR; | |
3370 | if (curcop != &compiling) | |
3371 | croak(no_modify); | |
3372 | } | |
a0d0e21e LW |
3373 | if (SvROK(sv)) { |
3374 | #ifdef OVERLOAD | |
3375 | if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return; | |
3376 | #endif /* OVERLOAD */ | |
3377 | sv_unref(sv); | |
3378 | } | |
ed6116ce | 3379 | } |
8990e307 | 3380 | if (SvGMAGICAL(sv)) |
79072805 | 3381 | mg_get(sv); |
8990e307 | 3382 | flags = SvFLAGS(sv); |
8990e307 | 3383 | if (flags & SVp_NOK) { |
a0d0e21e | 3384 | (void)SvNOK_only(sv); |
55497cff | 3385 | SvNVX(sv) += 1.0; |
3386 | return; | |
3387 | } | |
3388 | if (flags & SVp_IOK) { | |
3389 | if (SvIVX(sv) == IV_MAX) | |
3390 | sv_setnv(sv, (double)IV_MAX + 1.0); | |
3391 | else { | |
3392 | (void)SvIOK_only(sv); | |
3393 | ++SvIVX(sv); | |
3394 | } | |
79072805 LW |
3395 | return; |
3396 | } | |
8990e307 | 3397 | if (!(flags & SVp_POK) || !*SvPVX(sv)) { |
4633a7c4 LW |
3398 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3399 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3400 | SvNVX(sv) = 1.0; |
a0d0e21e | 3401 | (void)SvNOK_only(sv); |
79072805 LW |
3402 | return; |
3403 | } | |
463ee0b2 | 3404 | d = SvPVX(sv); |
79072805 LW |
3405 | while (isALPHA(*d)) d++; |
3406 | while (isDIGIT(*d)) d++; | |
3407 | if (*d) { | |
36477c24 | 3408 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3409 | sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */ |
79072805 LW |
3410 | return; |
3411 | } | |
3412 | d--; | |
463ee0b2 | 3413 | while (d >= SvPVX(sv)) { |
79072805 LW |
3414 | if (isDIGIT(*d)) { |
3415 | if (++*d <= '9') | |
3416 | return; | |
3417 | *(d--) = '0'; | |
3418 | } | |
3419 | else { | |
3420 | ++*d; | |
3421 | if (isALPHA(*d)) | |
3422 | return; | |
3423 | *(d--) -= 'z' - 'a' + 1; | |
3424 | } | |
3425 | } | |
3426 | /* oh,oh, the number grew */ | |
3427 | SvGROW(sv, SvCUR(sv) + 2); | |
3428 | SvCUR(sv)++; | |
463ee0b2 | 3429 | for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--) |
79072805 LW |
3430 | *d = d[-1]; |
3431 | if (isDIGIT(d[1])) | |
3432 | *d = '1'; | |
3433 | else | |
3434 | *d = d[1]; | |
3435 | } | |
3436 | ||
3437 | void | |
8ac85365 | 3438 | sv_dec(register SV *sv) |
79072805 | 3439 | { |
463ee0b2 LW |
3440 | int flags; |
3441 | ||
79072805 LW |
3442 | if (!sv) |
3443 | return; | |
ed6116ce | 3444 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3445 | if (SvREADONLY(sv)) { |
3446 | dTHR; | |
3447 | if (curcop != &compiling) | |
3448 | croak(no_modify); | |
3449 | } | |
a0d0e21e LW |
3450 | if (SvROK(sv)) { |
3451 | #ifdef OVERLOAD | |
3452 | if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return; | |
3453 | #endif /* OVERLOAD */ | |
3454 | sv_unref(sv); | |
3455 | } | |
ed6116ce | 3456 | } |
8990e307 | 3457 | if (SvGMAGICAL(sv)) |
79072805 | 3458 | mg_get(sv); |
8990e307 | 3459 | flags = SvFLAGS(sv); |
8990e307 | 3460 | if (flags & SVp_NOK) { |
463ee0b2 | 3461 | SvNVX(sv) -= 1.0; |
a0d0e21e | 3462 | (void)SvNOK_only(sv); |
79072805 LW |
3463 | return; |
3464 | } | |
55497cff | 3465 | if (flags & SVp_IOK) { |
3466 | if (SvIVX(sv) == IV_MIN) | |
3467 | sv_setnv(sv, (double)IV_MIN - 1.0); | |
3468 | else { | |
3469 | (void)SvIOK_only(sv); | |
3470 | --SvIVX(sv); | |
3471 | } | |
3472 | return; | |
3473 | } | |
8990e307 | 3474 | if (!(flags & SVp_POK)) { |
4633a7c4 LW |
3475 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3476 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3477 | SvNVX(sv) = -1.0; |
a0d0e21e | 3478 | (void)SvNOK_only(sv); |
79072805 LW |
3479 | return; |
3480 | } | |
36477c24 | 3481 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3482 | sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */ |
79072805 LW |
3483 | } |
3484 | ||
3485 | /* Make a string that will exist for the duration of the expression | |
3486 | * evaluation. Actually, it may have to last longer than that, but | |
3487 | * hopefully we won't free it until it has been assigned to a | |
3488 | * permanent location. */ | |
3489 | ||
8990e307 | 3490 | static void |
8ac85365 | 3491 | sv_mortalgrow(void) |
8990e307 | 3492 | { |
11343788 | 3493 | dTHR; |
55497cff | 3494 | tmps_max += (tmps_max < 512) ? 128 : 512; |
8990e307 LW |
3495 | Renew(tmps_stack, tmps_max, SV*); |
3496 | } | |
3497 | ||
79072805 | 3498 | SV * |
8ac85365 | 3499 | sv_mortalcopy(SV *oldstr) |
79072805 | 3500 | { |
11343788 | 3501 | dTHR; |
463ee0b2 | 3502 | register SV *sv; |
79072805 | 3503 | |
4561caa4 | 3504 | new_SV(sv); |
8990e307 LW |
3505 | SvANY(sv) = 0; |
3506 | SvREFCNT(sv) = 1; | |
3507 | SvFLAGS(sv) = 0; | |
79072805 | 3508 | sv_setsv(sv,oldstr); |
8990e307 LW |
3509 | if (++tmps_ix >= tmps_max) |
3510 | sv_mortalgrow(); | |
3511 | tmps_stack[tmps_ix] = sv; | |
3512 | SvTEMP_on(sv); | |
3513 | return sv; | |
3514 | } | |
3515 | ||
3516 | SV * | |
8ac85365 | 3517 | sv_newmortal(void) |
8990e307 | 3518 | { |
11343788 | 3519 | dTHR; |
8990e307 LW |
3520 | register SV *sv; |
3521 | ||
4561caa4 | 3522 | new_SV(sv); |
8990e307 LW |
3523 | SvANY(sv) = 0; |
3524 | SvREFCNT(sv) = 1; | |
3525 | SvFLAGS(sv) = SVs_TEMP; | |
3526 | if (++tmps_ix >= tmps_max) | |
3527 | sv_mortalgrow(); | |
79072805 | 3528 | tmps_stack[tmps_ix] = sv; |
79072805 LW |
3529 | return sv; |
3530 | } | |
3531 | ||
3532 | /* same thing without the copying */ | |
3533 | ||
3534 | SV * | |
8ac85365 | 3535 | sv_2mortal(register SV *sv) |
79072805 | 3536 | { |
11343788 | 3537 | dTHR; |
79072805 LW |
3538 | if (!sv) |
3539 | return sv; | |
a0d0e21e LW |
3540 | if (SvREADONLY(sv) && curcop != &compiling) |
3541 | croak(no_modify); | |
8990e307 LW |
3542 | if (++tmps_ix >= tmps_max) |
3543 | sv_mortalgrow(); | |
79072805 | 3544 | tmps_stack[tmps_ix] = sv; |
8990e307 | 3545 | SvTEMP_on(sv); |
79072805 LW |
3546 | return sv; |
3547 | } | |
3548 | ||
3549 | SV * | |
8ac85365 | 3550 | newSVpv(char *s, STRLEN len) |
79072805 | 3551 | { |
463ee0b2 | 3552 | register SV *sv; |
79072805 | 3553 | |
4561caa4 | 3554 | new_SV(sv); |
8990e307 LW |
3555 | SvANY(sv) = 0; |
3556 | SvREFCNT(sv) = 1; | |
3557 | SvFLAGS(sv) = 0; | |
79072805 LW |
3558 | if (!len) |
3559 | len = strlen(s); | |
3560 | sv_setpvn(sv,s,len); | |
3561 | return sv; | |
3562 | } | |
3563 | ||
9da1e3b5 MUN |
3564 | SV * |
3565 | newSVpvn(s,len) | |
3566 | char *s; | |
3567 | STRLEN len; | |
3568 | { | |
3569 | register SV *sv; | |
3570 | ||
3571 | new_SV(sv); | |
3572 | SvANY(sv) = 0; | |
3573 | SvREFCNT(sv) = 1; | |
3574 | SvFLAGS(sv) = 0; | |
3575 | sv_setpvn(sv,s,len); | |
3576 | return sv; | |
3577 | } | |
3578 | ||
46fc3d4c | 3579 | #ifdef I_STDARG |
3580 | SV * | |
3581 | newSVpvf(const char* pat, ...) | |
3582 | #else | |
3583 | /*VARARGS0*/ | |
3584 | SV * | |
fc36a67e | 3585 | newSVpvf(pat, va_alist) |
46fc3d4c | 3586 | const char *pat; |
3587 | va_dcl | |
3588 | #endif | |
3589 | { | |
3590 | register SV *sv; | |
3591 | va_list args; | |
3592 | ||
3593 | new_SV(sv); | |
3594 | SvANY(sv) = 0; | |
3595 | SvREFCNT(sv) = 1; | |
3596 | SvFLAGS(sv) = 0; | |
3597 | #ifdef I_STDARG | |
3598 | va_start(args, pat); | |
3599 | #else | |
3600 | va_start(args); | |
3601 | #endif | |
fc36a67e | 3602 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 3603 | va_end(args); |
3604 | return sv; | |
3605 | } | |
3606 | ||
3607 | ||
79072805 | 3608 | SV * |
8ac85365 | 3609 | newSVnv(double n) |
79072805 | 3610 | { |
463ee0b2 | 3611 | register SV *sv; |
79072805 | 3612 | |
4561caa4 | 3613 | new_SV(sv); |
8990e307 LW |
3614 | SvANY(sv) = 0; |
3615 | SvREFCNT(sv) = 1; | |
3616 | SvFLAGS(sv) = 0; | |
79072805 LW |
3617 | sv_setnv(sv,n); |
3618 | return sv; | |
3619 | } | |
3620 | ||
3621 | SV * | |
8ac85365 | 3622 | newSViv(IV i) |
79072805 | 3623 | { |
463ee0b2 | 3624 | register SV *sv; |
79072805 | 3625 | |
4561caa4 | 3626 | new_SV(sv); |
8990e307 LW |
3627 | SvANY(sv) = 0; |
3628 | SvREFCNT(sv) = 1; | |
3629 | SvFLAGS(sv) = 0; | |
79072805 LW |
3630 | sv_setiv(sv,i); |
3631 | return sv; | |
3632 | } | |
3633 | ||
2304df62 | 3634 | SV * |
8ac85365 | 3635 | newRV(SV *ref) |
2304df62 | 3636 | { |
11343788 | 3637 | dTHR; |
2304df62 AD |
3638 | register SV *sv; |
3639 | ||
4561caa4 | 3640 | new_SV(sv); |
2304df62 AD |
3641 | SvANY(sv) = 0; |
3642 | SvREFCNT(sv) = 1; | |
3643 | SvFLAGS(sv) = 0; | |
3644 | sv_upgrade(sv, SVt_RV); | |
a0d0e21e | 3645 | SvTEMP_off(ref); |
2304df62 AD |
3646 | SvRV(sv) = SvREFCNT_inc(ref); |
3647 | SvROK_on(sv); | |
2304df62 AD |
3648 | return sv; |
3649 | } | |
3650 | ||
4e35701f | 3651 | |
aeea060c | 3652 | |
5f05dabc | 3653 | SV * |
aeea060c | 3654 | Perl_newRV_noinc(SV *ref) |
5f05dabc | 3655 | { |
3656 | register SV *sv; | |
3657 | ||
3658 | sv = newRV(ref); | |
3659 | SvREFCNT_dec(ref); | |
3660 | return sv; | |
3661 | } | |
5f05dabc | 3662 | |
79072805 LW |
3663 | /* make an exact duplicate of old */ |
3664 | ||
3665 | SV * | |
8ac85365 | 3666 | newSVsv(register SV *old) |
79072805 | 3667 | { |
463ee0b2 | 3668 | register SV *sv; |
79072805 LW |
3669 | |
3670 | if (!old) | |
3671 | return Nullsv; | |
8990e307 | 3672 | if (SvTYPE(old) == SVTYPEMASK) { |
79072805 LW |
3673 | warn("semi-panic: attempt to dup freed string"); |
3674 | return Nullsv; | |
3675 | } | |
4561caa4 | 3676 | new_SV(sv); |
8990e307 LW |
3677 | SvANY(sv) = 0; |
3678 | SvREFCNT(sv) = 1; | |
3679 | SvFLAGS(sv) = 0; | |
ff68c719 | 3680 | if (SvTEMP(old)) { |
3681 | SvTEMP_off(old); | |
463ee0b2 | 3682 | sv_setsv(sv,old); |
ff68c719 | 3683 | SvTEMP_on(old); |
79072805 LW |
3684 | } |
3685 | else | |
463ee0b2 LW |
3686 | sv_setsv(sv,old); |
3687 | return sv; | |
79072805 LW |
3688 | } |
3689 | ||
3690 | void | |
8ac85365 | 3691 | sv_reset(register char *s, HV *stash) |
79072805 LW |
3692 | { |
3693 | register HE *entry; | |
3694 | register GV *gv; | |
3695 | register SV *sv; | |
3696 | register I32 i; | |
3697 | register PMOP *pm; | |
3698 | register I32 max; | |
463ee0b2 | 3699 | char todo[256]; |
79072805 | 3700 | |
49d8d3a1 MB |
3701 | if (!stash) |
3702 | return; | |
3703 | ||
79072805 LW |
3704 | if (!*s) { /* reset ?? searches */ |
3705 | for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) { | |
3706 | pm->op_pmflags &= ~PMf_USED; | |
3707 | } | |
3708 | return; | |
3709 | } | |
3710 | ||
3711 | /* reset variables */ | |
3712 | ||
3713 | if (!HvARRAY(stash)) | |
3714 | return; | |
463ee0b2 LW |
3715 | |
3716 | Zero(todo, 256, char); | |
79072805 LW |
3717 | while (*s) { |
3718 | i = *s; | |
3719 | if (s[1] == '-') { | |
3720 | s += 2; | |
3721 | } | |
3722 | max = *s++; | |
3723 | for ( ; i <= max; i++) { | |
463ee0b2 LW |
3724 | todo[i] = 1; |
3725 | } | |
a0d0e21e | 3726 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
79072805 LW |
3727 | for (entry = HvARRAY(stash)[i]; |
3728 | entry; | |
1edc1566 | 3729 | entry = HeNEXT(entry)) { |
3730 | if (!todo[(U8)*HeKEY(entry)]) | |
463ee0b2 | 3731 | continue; |
1edc1566 | 3732 | gv = (GV*)HeVAL(entry); |
79072805 | 3733 | sv = GvSV(gv); |
a0d0e21e | 3734 | (void)SvOK_off(sv); |
79072805 LW |
3735 | if (SvTYPE(sv) >= SVt_PV) { |
3736 | SvCUR_set(sv, 0); | |
463ee0b2 LW |
3737 | if (SvPVX(sv) != Nullch) |
3738 | *SvPVX(sv) = '\0'; | |
44a8e56a | 3739 | SvTAINT(sv); |
79072805 LW |
3740 | } |
3741 | if (GvAV(gv)) { | |
3742 | av_clear(GvAV(gv)); | |
3743 | } | |
44a8e56a | 3744 | if (GvHV(gv) && !HvNAME(GvHV(gv))) { |
463ee0b2 | 3745 | hv_clear(GvHV(gv)); |
a0d0e21e | 3746 | #ifndef VMS /* VMS has no environ array */ |
79072805 LW |
3747 | if (gv == envgv) |
3748 | environ[0] = Nullch; | |
a0d0e21e | 3749 | #endif |
79072805 LW |
3750 | } |
3751 | } | |
3752 | } | |
3753 | } | |
3754 | } | |
3755 | ||
46fc3d4c | 3756 | IO* |
8ac85365 | 3757 | sv_2io(SV *sv) |
46fc3d4c | 3758 | { |
3759 | IO* io; | |
3760 | GV* gv; | |
3761 | ||
3762 | switch (SvTYPE(sv)) { | |
3763 | case SVt_PVIO: | |
3764 | io = (IO*)sv; | |
3765 | break; | |
3766 | case SVt_PVGV: | |
3767 | gv = (GV*)sv; | |
3768 | io = GvIO(gv); | |
3769 | if (!io) | |
3770 | croak("Bad filehandle: %s", GvNAME(gv)); | |
3771 | break; | |
3772 | default: | |
3773 | if (!SvOK(sv)) | |
3774 | croak(no_usym, "filehandle"); | |
3775 | if (SvROK(sv)) | |
3776 | return sv_2io(SvRV(sv)); | |
3777 | gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO); | |
3778 | if (gv) | |
3779 | io = GvIO(gv); | |
3780 | else | |
3781 | io = 0; | |
3782 | if (!io) | |
3783 | croak("Bad filehandle: %s", SvPV(sv,na)); | |
3784 | break; | |
3785 | } | |
3786 | return io; | |
3787 | } | |
3788 | ||
79072805 | 3789 | CV * |
8ac85365 | 3790 | sv_2cv(SV *sv, HV **st, GV **gvp, I32 lref) |
79072805 LW |
3791 | { |
3792 | GV *gv; | |
3793 | CV *cv; | |
3794 | ||
3795 | if (!sv) | |
93a17b20 | 3796 | return *gvp = Nullgv, Nullcv; |
79072805 | 3797 | switch (SvTYPE(sv)) { |
79072805 LW |
3798 | case SVt_PVCV: |
3799 | *st = CvSTASH(sv); | |
3800 | *gvp = Nullgv; | |
3801 | return (CV*)sv; | |
3802 | case SVt_PVHV: | |
3803 | case SVt_PVAV: | |
3804 | *gvp = Nullgv; | |
3805 | return Nullcv; | |
8990e307 LW |
3806 | case SVt_PVGV: |
3807 | gv = (GV*)sv; | |
a0d0e21e | 3808 | *gvp = gv; |
8990e307 LW |
3809 | *st = GvESTASH(gv); |
3810 | goto fix_gv; | |
3811 | ||
79072805 | 3812 | default: |
a0d0e21e LW |
3813 | if (SvGMAGICAL(sv)) |
3814 | mg_get(sv); | |
3815 | if (SvROK(sv)) { | |
3816 | cv = (CV*)SvRV(sv); | |
3817 | if (SvTYPE(cv) != SVt_PVCV) | |
3818 | croak("Not a subroutine reference"); | |
3819 | *gvp = Nullgv; | |
3820 | *st = CvSTASH(cv); | |
3821 | return cv; | |
3822 | } | |
79072805 LW |
3823 | if (isGV(sv)) |
3824 | gv = (GV*)sv; | |
3825 | else | |
85e6fe83 | 3826 | gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV); |
79072805 LW |
3827 | *gvp = gv; |
3828 | if (!gv) | |
3829 | return Nullcv; | |
3830 | *st = GvESTASH(gv); | |
8990e307 | 3831 | fix_gv: |
8ebc5c01 | 3832 | if (lref && !GvCVu(gv)) { |
4633a7c4 | 3833 | SV *tmpsv; |
748a9306 | 3834 | ENTER; |
4633a7c4 | 3835 | tmpsv = NEWSV(704,0); |
16660edb | 3836 | gv_efullname3(tmpsv, gv, Nullch); |
774d564b | 3837 | newSUB(start_subparse(FALSE, 0), |
4633a7c4 LW |
3838 | newSVOP(OP_CONST, 0, tmpsv), |
3839 | Nullop, | |
8990e307 | 3840 | Nullop); |
748a9306 | 3841 | LEAVE; |
8ebc5c01 | 3842 | if (!GvCVu(gv)) |
4633a7c4 | 3843 | croak("Unable to create sub named \"%s\"", SvPV(sv,na)); |
8990e307 | 3844 | } |
8ebc5c01 | 3845 | return GvCVu(gv); |
79072805 LW |
3846 | } |
3847 | } | |
3848 | ||
79072805 | 3849 | I32 |
4e35701f | 3850 | sv_true(register SV *sv) |
79072805 | 3851 | { |
4e35701f | 3852 | dTHR; |
8990e307 LW |
3853 | if (!sv) |
3854 | return 0; | |
79072805 | 3855 | if (SvPOK(sv)) { |
4e35701f NIS |
3856 | register XPV* tXpv; |
3857 | if ((tXpv = (XPV*)SvANY(sv)) && | |
3858 | (*tXpv->xpv_pv > '0' || | |
3859 | tXpv->xpv_cur > 1 || | |
3860 | (tXpv->xpv_cur && *tXpv->xpv_pv != '0'))) | |
79072805 LW |
3861 | return 1; |
3862 | else | |
3863 | return 0; | |
3864 | } | |
3865 | else { | |
3866 | if (SvIOK(sv)) | |
463ee0b2 | 3867 | return SvIVX(sv) != 0; |
79072805 LW |
3868 | else { |
3869 | if (SvNOK(sv)) | |
463ee0b2 | 3870 | return SvNVX(sv) != 0.0; |
79072805 | 3871 | else |
463ee0b2 | 3872 | return sv_2bool(sv); |
79072805 LW |
3873 | } |
3874 | } | |
3875 | } | |
79072805 | 3876 | |
ff68c719 | 3877 | IV |
4e35701f | 3878 | sv_iv(register SV *sv) |
85e6fe83 | 3879 | { |
ff68c719 | 3880 | if (SvIOK(sv)) |
3881 | return SvIVX(sv); | |
3882 | return sv_2iv(sv); | |
85e6fe83 | 3883 | } |
85e6fe83 | 3884 | |
ff68c719 | 3885 | UV |
4e35701f | 3886 | sv_uv(register SV *sv) |
ff68c719 | 3887 | { |
3888 | if (SvIOK(sv)) | |
3889 | return SvUVX(sv); | |
3890 | return sv_2uv(sv); | |
3891 | } | |
85e6fe83 | 3892 | |
ff68c719 | 3893 | double |
4e35701f | 3894 | sv_nv(register SV *sv) |
79072805 | 3895 | { |
ff68c719 | 3896 | if (SvNOK(sv)) |
3897 | return SvNVX(sv); | |
3898 | return sv_2nv(sv); | |
79072805 | 3899 | } |
79072805 | 3900 | |
79072805 | 3901 | char * |
8ac85365 | 3902 | sv_pvn(SV *sv, STRLEN *lp) |
79072805 | 3903 | { |
85e6fe83 LW |
3904 | if (SvPOK(sv)) { |
3905 | *lp = SvCUR(sv); | |
a0d0e21e | 3906 | return SvPVX(sv); |
85e6fe83 | 3907 | } |
463ee0b2 | 3908 | return sv_2pv(sv, lp); |
79072805 | 3909 | } |
79072805 | 3910 | |
a0d0e21e | 3911 | char * |
8ac85365 | 3912 | sv_pvn_force(SV *sv, STRLEN *lp) |
a0d0e21e LW |
3913 | { |
3914 | char *s; | |
3915 | ||
0f15f207 MB |
3916 | if (SvREADONLY(sv)) { |
3917 | dTHR; | |
3918 | if (curcop != &compiling) | |
3919 | croak(no_modify); | |
3920 | } | |
a0d0e21e LW |
3921 | |
3922 | if (SvPOK(sv)) { | |
3923 | *lp = SvCUR(sv); | |
3924 | } | |
3925 | else { | |
748a9306 | 3926 | if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) { |
4633a7c4 | 3927 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) { |
a0d0e21e | 3928 | sv_unglob(sv); |
4633a7c4 LW |
3929 | s = SvPVX(sv); |
3930 | *lp = SvCUR(sv); | |
3931 | } | |
11343788 MB |
3932 | else { |
3933 | dTHR; | |
a0d0e21e LW |
3934 | croak("Can't coerce %s to string in %s", sv_reftype(sv,0), |
3935 | op_name[op->op_type]); | |
11343788 | 3936 | } |
a0d0e21e | 3937 | } |
4633a7c4 LW |
3938 | else |
3939 | s = sv_2pv(sv, lp); | |
a0d0e21e LW |
3940 | if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */ |
3941 | STRLEN len = *lp; | |
3942 | ||
3943 | if (SvROK(sv)) | |
3944 | sv_unref(sv); | |
3945 | (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */ | |
3946 | SvGROW(sv, len + 1); | |
3947 | Move(s,SvPVX(sv),len,char); | |
3948 | SvCUR_set(sv, len); | |
3949 | *SvEND(sv) = '\0'; | |
3950 | } | |
3951 | if (!SvPOK(sv)) { | |
3952 | SvPOK_on(sv); /* validate pointer */ | |
3953 | SvTAINT(sv); | |
760ac839 | 3954 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n", |
a0d0e21e LW |
3955 | (unsigned long)sv,SvPVX(sv))); |
3956 | } | |
3957 | } | |
3958 | return SvPVX(sv); | |
3959 | } | |
3960 | ||
3961 | char * | |
8ac85365 | 3962 | sv_reftype(SV *sv, int ob) |
a0d0e21e LW |
3963 | { |
3964 | if (ob && SvOBJECT(sv)) | |
3965 | return HvNAME(SvSTASH(sv)); | |
3966 | else { | |
3967 | switch (SvTYPE(sv)) { | |
3968 | case SVt_NULL: | |
3969 | case SVt_IV: | |
3970 | case SVt_NV: | |
3971 | case SVt_RV: | |
3972 | case SVt_PV: | |
3973 | case SVt_PVIV: | |
3974 | case SVt_PVNV: | |
3975 | case SVt_PVMG: | |
3976 | case SVt_PVBM: | |
3977 | if (SvROK(sv)) | |
3978 | return "REF"; | |
3979 | else | |
3980 | return "SCALAR"; | |
3981 | case SVt_PVLV: return "LVALUE"; | |
3982 | case SVt_PVAV: return "ARRAY"; | |
3983 | case SVt_PVHV: return "HASH"; | |
3984 | case SVt_PVCV: return "CODE"; | |
3985 | case SVt_PVGV: return "GLOB"; | |
3986 | case SVt_PVFM: return "FORMLINE"; | |
3987 | default: return "UNKNOWN"; | |
3988 | } | |
3989 | } | |
3990 | } | |
3991 | ||
463ee0b2 | 3992 | int |
8ac85365 | 3993 | sv_isobject(SV *sv) |
85e6fe83 | 3994 | { |
68dc0745 | 3995 | if (!sv) |
3996 | return 0; | |
3997 | if (SvGMAGICAL(sv)) | |
3998 | mg_get(sv); | |
85e6fe83 LW |
3999 | if (!SvROK(sv)) |
4000 | return 0; | |
4001 | sv = (SV*)SvRV(sv); | |
4002 | if (!SvOBJECT(sv)) | |
4003 | return 0; | |
4004 | return 1; | |
4005 | } | |
4006 | ||
4007 | int | |
8ac85365 | 4008 | sv_isa(SV *sv, char *name) |
463ee0b2 | 4009 | { |
68dc0745 | 4010 | if (!sv) |
4011 | return 0; | |
4012 | if (SvGMAGICAL(sv)) | |
4013 | mg_get(sv); | |
ed6116ce | 4014 | if (!SvROK(sv)) |
463ee0b2 | 4015 | return 0; |
ed6116ce LW |
4016 | sv = (SV*)SvRV(sv); |
4017 | if (!SvOBJECT(sv)) | |
463ee0b2 LW |
4018 | return 0; |
4019 | ||
4020 | return strEQ(HvNAME(SvSTASH(sv)), name); | |
4021 | } | |
4022 | ||
4023 | SV* | |
8ac85365 | 4024 | newSVrv(SV *rv, char *classname) |
463ee0b2 | 4025 | { |
11343788 | 4026 | dTHR; |
463ee0b2 LW |
4027 | SV *sv; |
4028 | ||
4561caa4 | 4029 | new_SV(sv); |
8990e307 | 4030 | SvANY(sv) = 0; |
a0d0e21e | 4031 | SvREFCNT(sv) = 0; |
8990e307 | 4032 | SvFLAGS(sv) = 0; |
51cf62d8 | 4033 | |
2213622d | 4034 | SV_CHECK_THINKFIRST(rv); |
51cf62d8 OT |
4035 | #ifdef OVERLOAD |
4036 | SvAMAGIC_off(rv); | |
4037 | #endif /* OVERLOAD */ | |
4038 | ||
4039 | if (SvTYPE(rv) < SVt_RV) | |
4040 | sv_upgrade(rv, SVt_RV); | |
4041 | ||
4042 | (void)SvOK_off(rv); | |
8990e307 | 4043 | SvRV(rv) = SvREFCNT_inc(sv); |
ed6116ce | 4044 | SvROK_on(rv); |
463ee0b2 | 4045 | |
a0d0e21e LW |
4046 | if (classname) { |
4047 | HV* stash = gv_stashpv(classname, TRUE); | |
4048 | (void)sv_bless(rv, stash); | |
4049 | } | |
4050 | return sv; | |
4051 | } | |
4052 | ||
4053 | SV* | |
8ac85365 | 4054 | sv_setref_pv(SV *rv, char *classname, void *pv) |
a0d0e21e | 4055 | { |
189b2af5 | 4056 | if (!pv) { |
a0d0e21e | 4057 | sv_setsv(rv, &sv_undef); |
189b2af5 GS |
4058 | SvSETMAGIC(rv); |
4059 | } | |
a0d0e21e LW |
4060 | else |
4061 | sv_setiv(newSVrv(rv,classname), (IV)pv); | |
4062 | return rv; | |
4063 | } | |
4064 | ||
4065 | SV* | |
8ac85365 | 4066 | sv_setref_iv(SV *rv, char *classname, IV iv) |
a0d0e21e LW |
4067 | { |
4068 | sv_setiv(newSVrv(rv,classname), iv); | |
4069 | return rv; | |
4070 | } | |
4071 | ||
4072 | SV* | |
8ac85365 | 4073 | sv_setref_nv(SV *rv, char *classname, double nv) |
a0d0e21e LW |
4074 | { |
4075 | sv_setnv(newSVrv(rv,classname), nv); | |
4076 | return rv; | |
4077 | } | |
463ee0b2 | 4078 | |
a0d0e21e | 4079 | SV* |
8ac85365 | 4080 | sv_setref_pvn(SV *rv, char *classname, char *pv, I32 n) |
a0d0e21e LW |
4081 | { |
4082 | sv_setpvn(newSVrv(rv,classname), pv, n); | |
463ee0b2 LW |
4083 | return rv; |
4084 | } | |
4085 | ||
a0d0e21e | 4086 | SV* |
8ac85365 | 4087 | sv_bless(SV *sv, HV *stash) |
a0d0e21e | 4088 | { |
11343788 | 4089 | dTHR; |
a0d0e21e LW |
4090 | SV *ref; |
4091 | if (!SvROK(sv)) | |
4092 | croak("Can't bless non-reference value"); | |
4093 | ref = SvRV(sv); | |
4094 | if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) { | |
4095 | if (SvREADONLY(ref)) | |
4096 | croak(no_modify); | |
2e3febc6 CS |
4097 | if (SvOBJECT(ref)) { |
4098 | if (SvTYPE(ref) != SVt_PVIO) | |
4099 | --sv_objcount; | |
4100 | SvREFCNT_dec(SvSTASH(ref)); | |
4101 | } | |
a0d0e21e LW |
4102 | } |
4103 | SvOBJECT_on(ref); | |
2e3febc6 CS |
4104 | if (SvTYPE(ref) != SVt_PVIO) |
4105 | ++sv_objcount; | |
a0d0e21e LW |
4106 | (void)SvUPGRADE(ref, SVt_PVMG); |
4107 | SvSTASH(ref) = (HV*)SvREFCNT_inc(stash); | |
4108 | ||
4109 | #ifdef OVERLOAD | |
2e3febc6 CS |
4110 | if (Gv_AMG(stash)) |
4111 | SvAMAGIC_on(sv); | |
4112 | else | |
4113 | SvAMAGIC_off(sv); | |
a0d0e21e LW |
4114 | #endif /* OVERLOAD */ |
4115 | ||
4116 | return sv; | |
4117 | } | |
4118 | ||
4119 | static void | |
8ac85365 | 4120 | sv_unglob(SV *sv) |
a0d0e21e LW |
4121 | { |
4122 | assert(SvTYPE(sv) == SVt_PVGV); | |
4123 | SvFAKE_off(sv); | |
4124 | if (GvGP(sv)) | |
1edc1566 | 4125 | gp_free((GV*)sv); |
e826b3c7 GS |
4126 | if (GvSTASH(sv)) { |
4127 | SvREFCNT_dec(GvSTASH(sv)); | |
4128 | GvSTASH(sv) = Nullhv; | |
4129 | } | |
a0d0e21e LW |
4130 | sv_unmagic(sv, '*'); |
4131 | Safefree(GvNAME(sv)); | |
a5f75d66 | 4132 | GvMULTI_off(sv); |
a0d0e21e LW |
4133 | SvFLAGS(sv) &= ~SVTYPEMASK; |
4134 | SvFLAGS(sv) |= SVt_PVMG; | |
4135 | } | |
4136 | ||
ed6116ce | 4137 | void |
8ac85365 | 4138 | sv_unref(SV *sv) |
ed6116ce | 4139 | { |
a0d0e21e LW |
4140 | SV* rv = SvRV(sv); |
4141 | ||
ed6116ce LW |
4142 | SvRV(sv) = 0; |
4143 | SvROK_off(sv); | |
4633a7c4 LW |
4144 | if (SvREFCNT(rv) != 1 || SvREADONLY(rv)) |
4145 | SvREFCNT_dec(rv); | |
8e07c86e | 4146 | else |
4633a7c4 | 4147 | sv_2mortal(rv); /* Schedule for freeing later */ |
ed6116ce | 4148 | } |
8990e307 | 4149 | |
bbce6d69 | 4150 | void |
8ac85365 | 4151 | sv_taint(SV *sv) |
bbce6d69 | 4152 | { |
4153 | sv_magic((sv), Nullsv, 't', Nullch, 0); | |
4154 | } | |
4155 | ||
4156 | void | |
8ac85365 | 4157 | sv_untaint(SV *sv) |
bbce6d69 | 4158 | { |
13f57bf8 | 4159 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4160 | MAGIC *mg = mg_find(sv, 't'); |
4161 | if (mg) | |
4162 | mg->mg_len &= ~1; | |
4163 | } | |
bbce6d69 | 4164 | } |
4165 | ||
4166 | bool | |
8ac85365 | 4167 | sv_tainted(SV *sv) |
bbce6d69 | 4168 | { |
13f57bf8 | 4169 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4170 | MAGIC *mg = mg_find(sv, 't'); |
4171 | if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv)) | |
4172 | return TRUE; | |
4173 | } | |
4174 | return FALSE; | |
bbce6d69 | 4175 | } |
4176 | ||
84902520 | 4177 | void |
8ac85365 | 4178 | sv_setpviv(SV *sv, IV iv) |
84902520 TB |
4179 | { |
4180 | STRLEN len; | |
4181 | char buf[TYPE_DIGITS(UV)]; | |
4182 | char *ptr = buf + sizeof(buf); | |
4183 | int sign; | |
4184 | UV uv; | |
4185 | char *p; | |
84902520 TB |
4186 | |
4187 | sv_setpvn(sv, "", 0); | |
4188 | if (iv >= 0) { | |
4189 | uv = iv; | |
4190 | sign = 0; | |
4191 | } else { | |
4192 | uv = -iv; | |
4193 | sign = 1; | |
4194 | } | |
4195 | do { | |
4196 | *--ptr = '0' + (uv % 10); | |
4197 | } while (uv /= 10); | |
4198 | len = (buf + sizeof(buf)) - ptr; | |
4199 | /* taking advantage of SvCUR(sv) == 0 */ | |
4200 | SvGROW(sv, sign + len + 1); | |
4201 | p = SvPVX(sv); | |
4202 | if (sign) | |
4203 | *p++ = '-'; | |
4204 | memcpy(p, ptr, len); | |
4205 | p += len; | |
4206 | *p = '\0'; | |
4207 | SvCUR(sv) = p - SvPVX(sv); | |
4208 | } | |
4209 | ||
ef50df4b GS |
4210 | |
4211 | void | |
4212 | sv_setpviv_mg(SV *sv, IV iv) | |
4213 | { | |
4214 | sv_setpviv(sv,iv); | |
4215 | SvSETMAGIC(sv); | |
4216 | } | |
4217 | ||
46fc3d4c | 4218 | #ifdef I_STDARG |
4219 | void | |
4220 | sv_setpvf(SV *sv, const char* pat, ...) | |
4221 | #else | |
4222 | /*VARARGS0*/ | |
4223 | void | |
4224 | sv_setpvf(sv, pat, va_alist) | |
4225 | SV *sv; | |
4226 | const char *pat; | |
4227 | va_dcl | |
4228 | #endif | |
4229 | { | |
4230 | va_list args; | |
4231 | #ifdef I_STDARG | |
4232 | va_start(args, pat); | |
4233 | #else | |
4234 | va_start(args); | |
4235 | #endif | |
fc36a67e | 4236 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4237 | va_end(args); |
4238 | } | |
4239 | ||
ef50df4b GS |
4240 | |
4241 | #ifdef I_STDARG | |
4242 | void | |
4243 | sv_setpvf_mg(SV *sv, const char* pat, ...) | |
4244 | #else | |
4245 | /*VARARGS0*/ | |
4246 | void | |
4247 | sv_setpvf_mg(sv, pat, va_alist) | |
4248 | SV *sv; | |
4249 | const char *pat; | |
4250 | va_dcl | |
4251 | #endif | |
4252 | { | |
4253 | va_list args; | |
4254 | #ifdef I_STDARG | |
4255 | va_start(args, pat); | |
4256 | #else | |
4257 | va_start(args); | |
4258 | #endif | |
4259 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); | |
4260 | va_end(args); | |
4261 | SvSETMAGIC(sv); | |
4262 | } | |
4263 | ||
46fc3d4c | 4264 | #ifdef I_STDARG |
4265 | void | |
4266 | sv_catpvf(SV *sv, const char* pat, ...) | |
4267 | #else | |
4268 | /*VARARGS0*/ | |
4269 | void | |
4270 | sv_catpvf(sv, pat, va_alist) | |
4271 | SV *sv; | |
4272 | const char *pat; | |
4273 | va_dcl | |
4274 | #endif | |
4275 | { | |
4276 | va_list args; | |
4277 | #ifdef I_STDARG | |
4278 | va_start(args, pat); | |
4279 | #else | |
4280 | va_start(args); | |
4281 | #endif | |
fc36a67e | 4282 | sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4283 | va_end(args); |
4284 | } | |
4285 | ||
ef50df4b GS |
4286 | #ifdef I_STDARG |
4287 | void | |
4288 | sv_catpvf_mg(SV *sv, const char* pat, ...) | |
4289 | #else | |
4290 | /*VARARGS0*/ | |
4291 | void | |
4292 | sv_catpvf_mg(sv, pat, va_alist) | |
4293 | SV *sv; | |
4294 | const char *pat; | |
4295 | va_dcl | |
4296 | #endif | |
4297 | { | |
4298 | va_list args; | |
4299 | #ifdef I_STDARG | |
4300 | va_start(args, pat); | |
4301 | #else | |
4302 | va_start(args); | |
4303 | #endif | |
4304 | sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); | |
4305 | va_end(args); | |
4306 | SvSETMAGIC(sv); | |
4307 | } | |
4308 | ||
46fc3d4c | 4309 | void |
ad8d18a8 | 4310 | sv_vsetpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale) |
46fc3d4c | 4311 | { |
4312 | sv_setpvn(sv, "", 0); | |
4313 | sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale); | |
4314 | } | |
4315 | ||
4316 | void | |
ad8d18a8 | 4317 | sv_vcatpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale) |
46fc3d4c | 4318 | { |
e858de61 | 4319 | dTHR; |
46fc3d4c | 4320 | char *p; |
4321 | char *q; | |
4322 | char *patend; | |
fc36a67e | 4323 | STRLEN origlen; |
46fc3d4c | 4324 | I32 svix = 0; |
c635e13b | 4325 | static char nullstr[] = "(null)"; |
46fc3d4c | 4326 | |
4327 | /* no matter what, this is a string now */ | |
fc36a67e | 4328 | (void)SvPV_force(sv, origlen); |
46fc3d4c | 4329 | |
fc36a67e | 4330 | /* special-case "", "%s", and "%_" */ |
46fc3d4c | 4331 | if (patlen == 0) |
4332 | return; | |
fc36a67e | 4333 | if (patlen == 2 && pat[0] == '%') { |
4334 | switch (pat[1]) { | |
4335 | case 's': | |
c635e13b | 4336 | if (args) { |
4337 | char *s = va_arg(*args, char*); | |
4338 | sv_catpv(sv, s ? s : nullstr); | |
4339 | } | |
fc36a67e | 4340 | else if (svix < svmax) |
4341 | sv_catsv(sv, *svargs); | |
4342 | return; | |
4343 | case '_': | |
4344 | if (args) { | |
4345 | sv_catsv(sv, va_arg(*args, SV*)); | |
4346 | return; | |
4347 | } | |
4348 | /* See comment on '_' below */ | |
4349 | break; | |
4350 | } | |
46fc3d4c | 4351 | } |
4352 | ||
4353 | patend = (char*)pat + patlen; | |
4354 | for (p = (char*)pat; p < patend; p = q) { | |
4355 | bool alt = FALSE; | |
4356 | bool left = FALSE; | |
4357 | char fill = ' '; | |
4358 | char plus = 0; | |
4359 | char intsize = 0; | |
4360 | STRLEN width = 0; | |
fc36a67e | 4361 | STRLEN zeros = 0; |
46fc3d4c | 4362 | bool has_precis = FALSE; |
4363 | STRLEN precis = 0; | |
4364 | ||
4365 | char esignbuf[4]; | |
4366 | STRLEN esignlen = 0; | |
4367 | ||
4368 | char *eptr = Nullch; | |
fc36a67e | 4369 | STRLEN elen = 0; |
4370 | char ebuf[TYPE_DIGITS(int) * 2 + 16]; /* large enough for "%#.#f" */ | |
46fc3d4c | 4371 | |
4372 | static char *efloatbuf = Nullch; | |
4373 | static STRLEN efloatsize = 0; | |
4374 | ||
4375 | char c; | |
4376 | int i; | |
4377 | unsigned base; | |
4378 | IV iv; | |
4379 | UV uv; | |
4380 | double nv; | |
4381 | STRLEN have; | |
4382 | STRLEN need; | |
4383 | STRLEN gap; | |
4384 | ||
4385 | for (q = p; q < patend && *q != '%'; ++q) ; | |
4386 | if (q > p) { | |
4387 | sv_catpvn(sv, p, q - p); | |
4388 | p = q; | |
4389 | } | |
4390 | if (q++ >= patend) | |
4391 | break; | |
4392 | ||
fc36a67e | 4393 | /* FLAGS */ |
4394 | ||
46fc3d4c | 4395 | while (*q) { |
4396 | switch (*q) { | |
4397 | case ' ': | |
4398 | case '+': | |
4399 | plus = *q++; | |
4400 | continue; | |
4401 | ||
4402 | case '-': | |
4403 | left = TRUE; | |
4404 | q++; | |
4405 | continue; | |
4406 | ||
4407 | case '0': | |
4408 | fill = *q++; | |
4409 | continue; | |
4410 | ||
4411 | case '#': | |
4412 | alt = TRUE; | |
4413 | q++; | |
4414 | continue; | |
4415 | ||
fc36a67e | 4416 | default: |
4417 | break; | |
4418 | } | |
4419 | break; | |
4420 | } | |
46fc3d4c | 4421 | |
fc36a67e | 4422 | /* WIDTH */ |
4423 | ||
4424 | switch (*q) { | |
4425 | case '1': case '2': case '3': | |
4426 | case '4': case '5': case '6': | |
4427 | case '7': case '8': case '9': | |
4428 | width = 0; | |
4429 | while (isDIGIT(*q)) | |
4430 | width = width * 10 + (*q++ - '0'); | |
4431 | break; | |
4432 | ||
4433 | case '*': | |
4434 | if (args) | |
4435 | i = va_arg(*args, int); | |
4436 | else | |
4437 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4438 | left |= (i < 0); | |
4439 | width = (i < 0) ? -i : i; | |
4440 | q++; | |
4441 | break; | |
4442 | } | |
4443 | ||
4444 | /* PRECISION */ | |
46fc3d4c | 4445 | |
fc36a67e | 4446 | if (*q == '.') { |
4447 | q++; | |
4448 | if (*q == '*') { | |
46fc3d4c | 4449 | if (args) |
4450 | i = va_arg(*args, int); | |
4451 | else | |
4452 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
fc36a67e | 4453 | precis = (i < 0) ? 0 : i; |
46fc3d4c | 4454 | q++; |
fc36a67e | 4455 | } |
4456 | else { | |
4457 | precis = 0; | |
4458 | while (isDIGIT(*q)) | |
4459 | precis = precis * 10 + (*q++ - '0'); | |
4460 | } | |
4461 | has_precis = TRUE; | |
4462 | } | |
46fc3d4c | 4463 | |
fc36a67e | 4464 | /* SIZE */ |
46fc3d4c | 4465 | |
fc36a67e | 4466 | switch (*q) { |
4467 | case 'l': | |
4468 | #if 0 /* when quads have better support within Perl */ | |
4469 | if (*(q + 1) == 'l') { | |
4470 | intsize = 'q'; | |
4471 | q += 2; | |
46fc3d4c | 4472 | break; |
4473 | } | |
fc36a67e | 4474 | #endif |
4475 | /* FALL THROUGH */ | |
4476 | case 'h': | |
4477 | case 'V': | |
4478 | intsize = *q++; | |
46fc3d4c | 4479 | break; |
4480 | } | |
4481 | ||
fc36a67e | 4482 | /* CONVERSION */ |
4483 | ||
46fc3d4c | 4484 | switch (c = *q++) { |
4485 | ||
4486 | /* STRINGS */ | |
4487 | ||
4488 | case '%': | |
4489 | eptr = q - 1; | |
4490 | elen = 1; | |
4491 | goto string; | |
4492 | ||
4493 | case 'c': | |
4494 | if (args) | |
4495 | c = va_arg(*args, int); | |
4496 | else | |
4497 | c = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4498 | eptr = &c; | |
4499 | elen = 1; | |
4500 | goto string; | |
4501 | ||
46fc3d4c | 4502 | case 's': |
4503 | if (args) { | |
fc36a67e | 4504 | eptr = va_arg(*args, char*); |
c635e13b | 4505 | if (eptr) |
4506 | elen = strlen(eptr); | |
4507 | else { | |
4508 | eptr = nullstr; | |
4509 | elen = sizeof nullstr - 1; | |
4510 | } | |
46fc3d4c | 4511 | } |
4512 | else if (svix < svmax) | |
4513 | eptr = SvPVx(svargs[svix++], elen); | |
4514 | goto string; | |
4515 | ||
fc36a67e | 4516 | case '_': |
4517 | /* | |
4518 | * The "%_" hack might have to be changed someday, | |
4519 | * if ISO or ANSI decide to use '_' for something. | |
4520 | * So we keep it hidden from users' code. | |
4521 | */ | |
4522 | if (!args) | |
4523 | goto unknown; | |
4524 | eptr = SvPVx(va_arg(*args, SV*), elen); | |
4525 | ||
46fc3d4c | 4526 | string: |
4527 | if (has_precis && elen > precis) | |
4528 | elen = precis; | |
4529 | break; | |
4530 | ||
4531 | /* INTEGERS */ | |
4532 | ||
fc36a67e | 4533 | case 'p': |
4534 | if (args) | |
4535 | uv = (UV)va_arg(*args, void*); | |
4536 | else | |
4537 | uv = (svix < svmax) ? (UV)svargs[svix++] : 0; | |
4538 | base = 16; | |
4539 | goto integer; | |
4540 | ||
46fc3d4c | 4541 | case 'D': |
4542 | intsize = 'l'; | |
4543 | /* FALL THROUGH */ | |
4544 | case 'd': | |
4545 | case 'i': | |
4546 | if (args) { | |
4547 | switch (intsize) { | |
4548 | case 'h': iv = (short)va_arg(*args, int); break; | |
4549 | default: iv = va_arg(*args, int); break; | |
4550 | case 'l': iv = va_arg(*args, long); break; | |
fc36a67e | 4551 | case 'V': iv = va_arg(*args, IV); break; |
46fc3d4c | 4552 | } |
4553 | } | |
4554 | else { | |
4555 | iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4556 | switch (intsize) { | |
4557 | case 'h': iv = (short)iv; break; | |
4558 | default: iv = (int)iv; break; | |
4559 | case 'l': iv = (long)iv; break; | |
fc36a67e | 4560 | case 'V': break; |
46fc3d4c | 4561 | } |
4562 | } | |
4563 | if (iv >= 0) { | |
4564 | uv = iv; | |
4565 | if (plus) | |
4566 | esignbuf[esignlen++] = plus; | |
4567 | } | |
4568 | else { | |
4569 | uv = -iv; | |
4570 | esignbuf[esignlen++] = '-'; | |
4571 | } | |
4572 | base = 10; | |
4573 | goto integer; | |
4574 | ||
fc36a67e | 4575 | case 'U': |
4576 | intsize = 'l'; | |
4577 | /* FALL THROUGH */ | |
4578 | case 'u': | |
4579 | base = 10; | |
4580 | goto uns_integer; | |
4581 | ||
46fc3d4c | 4582 | case 'O': |
4583 | intsize = 'l'; | |
4584 | /* FALL THROUGH */ | |
4585 | case 'o': | |
4586 | base = 8; | |
4587 | goto uns_integer; | |
4588 | ||
4589 | case 'X': | |
46fc3d4c | 4590 | case 'x': |
4591 | base = 16; | |
46fc3d4c | 4592 | |
4593 | uns_integer: | |
4594 | if (args) { | |
4595 | switch (intsize) { | |
4596 | case 'h': uv = (unsigned short)va_arg(*args, unsigned); break; | |
4597 | default: uv = va_arg(*args, unsigned); break; | |
4598 | case 'l': uv = va_arg(*args, unsigned long); break; | |
fc36a67e | 4599 | case 'V': uv = va_arg(*args, UV); break; |
46fc3d4c | 4600 | } |
4601 | } | |
4602 | else { | |
4603 | uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0; | |
4604 | switch (intsize) { | |
4605 | case 'h': uv = (unsigned short)uv; break; | |
4606 | default: uv = (unsigned)uv; break; | |
4607 | case 'l': uv = (unsigned long)uv; break; | |
fc36a67e | 4608 | case 'V': break; |
46fc3d4c | 4609 | } |
4610 | } | |
4611 | ||
4612 | integer: | |
46fc3d4c | 4613 | eptr = ebuf + sizeof ebuf; |
fc36a67e | 4614 | switch (base) { |
4615 | unsigned dig; | |
4616 | case 16: | |
c10ed8b9 HS |
4617 | if (!uv) |
4618 | alt = FALSE; | |
fc36a67e | 4619 | p = (c == 'X') ? "0123456789ABCDEF" : "0123456789abcdef"; |
4620 | do { | |
4621 | dig = uv & 15; | |
4622 | *--eptr = p[dig]; | |
4623 | } while (uv >>= 4); | |
4624 | if (alt) { | |
46fc3d4c | 4625 | esignbuf[esignlen++] = '0'; |
fc36a67e | 4626 | esignbuf[esignlen++] = c; /* 'x' or 'X' */ |
46fc3d4c | 4627 | } |
fc36a67e | 4628 | break; |
4629 | case 8: | |
4630 | do { | |
4631 | dig = uv & 7; | |
4632 | *--eptr = '0' + dig; | |
4633 | } while (uv >>= 3); | |
4634 | if (alt && *eptr != '0') | |
4635 | *--eptr = '0'; | |
4636 | break; | |
4637 | default: /* it had better be ten or less */ | |
4638 | do { | |
4639 | dig = uv % base; | |
4640 | *--eptr = '0' + dig; | |
4641 | } while (uv /= base); | |
4642 | break; | |
46fc3d4c | 4643 | } |
4644 | elen = (ebuf + sizeof ebuf) - eptr; | |
c10ed8b9 HS |
4645 | if (has_precis) { |
4646 | if (precis > elen) | |
4647 | zeros = precis - elen; | |
4648 | else if (precis == 0 && elen == 1 && *eptr == '0') | |
4649 | elen = 0; | |
4650 | } | |
46fc3d4c | 4651 | break; |
4652 | ||
4653 | /* FLOATING POINT */ | |
4654 | ||
fc36a67e | 4655 | case 'F': |
4656 | c = 'f'; /* maybe %F isn't supported here */ | |
4657 | /* FALL THROUGH */ | |
46fc3d4c | 4658 | case 'e': case 'E': |
fc36a67e | 4659 | case 'f': |
46fc3d4c | 4660 | case 'g': case 'G': |
4661 | ||
4662 | /* This is evil, but floating point is even more evil */ | |
4663 | ||
fc36a67e | 4664 | if (args) |
4665 | nv = va_arg(*args, double); | |
4666 | else | |
4667 | nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0; | |
4668 | ||
4669 | need = 0; | |
4670 | if (c != 'e' && c != 'E') { | |
4671 | i = PERL_INT_MIN; | |
4672 | (void)frexp(nv, &i); | |
4673 | if (i == PERL_INT_MIN) | |
c635e13b | 4674 | die("panic: frexp"); |
4675 | if (i > 0) | |
fc36a67e | 4676 | need = BIT_DIGITS(i); |
4677 | } | |
4678 | need += has_precis ? precis : 6; /* known default */ | |
4679 | if (need < width) | |
4680 | need = width; | |
4681 | ||
46fc3d4c | 4682 | need += 20; /* fudge factor */ |
4683 | if (efloatsize < need) { | |
4684 | Safefree(efloatbuf); | |
4685 | efloatsize = need + 20; /* more fudge */ | |
4686 | New(906, efloatbuf, efloatsize, char); | |
4687 | } | |
4688 | ||
4689 | eptr = ebuf + sizeof ebuf; | |
4690 | *--eptr = '\0'; | |
4691 | *--eptr = c; | |
4692 | if (has_precis) { | |
4693 | base = precis; | |
4694 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4695 | *--eptr = '.'; | |
4696 | } | |
4697 | if (width) { | |
4698 | base = width; | |
4699 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4700 | } | |
4701 | if (fill == '0') | |
4702 | *--eptr = fill; | |
84902520 TB |
4703 | if (left) |
4704 | *--eptr = '-'; | |
46fc3d4c | 4705 | if (plus) |
4706 | *--eptr = plus; | |
4707 | if (alt) | |
4708 | *--eptr = '#'; | |
4709 | *--eptr = '%'; | |
4710 | ||
46fc3d4c | 4711 | (void)sprintf(efloatbuf, eptr, nv); |
4712 | ||
4713 | eptr = efloatbuf; | |
4714 | elen = strlen(efloatbuf); | |
4715 | ||
4716 | #ifdef LC_NUMERIC | |
4717 | /* | |
4718 | * User-defined locales may include arbitrary characters. | |
4719 | * And, unfortunately, some system may alloc the "C" locale | |
4720 | * to be overridden by a malicious user. | |
4721 | */ | |
4722 | if (used_locale) | |
4723 | *used_locale = TRUE; | |
4724 | #endif /* LC_NUMERIC */ | |
4725 | ||
4726 | break; | |
4727 | ||
fc36a67e | 4728 | /* SPECIAL */ |
4729 | ||
4730 | case 'n': | |
4731 | i = SvCUR(sv) - origlen; | |
4732 | if (args) { | |
c635e13b | 4733 | switch (intsize) { |
4734 | case 'h': *(va_arg(*args, short*)) = i; break; | |
4735 | default: *(va_arg(*args, int*)) = i; break; | |
4736 | case 'l': *(va_arg(*args, long*)) = i; break; | |
4737 | case 'V': *(va_arg(*args, IV*)) = i; break; | |
4738 | } | |
fc36a67e | 4739 | } |
4740 | else if (svix < svmax) | |
4741 | sv_setuv(svargs[svix++], (UV)i); | |
4742 | continue; /* not "break" */ | |
4743 | ||
4744 | /* UNKNOWN */ | |
4745 | ||
46fc3d4c | 4746 | default: |
fc36a67e | 4747 | unknown: |
c635e13b | 4748 | if (!args && dowarn && |
4749 | (op->op_type == OP_PRTF || op->op_type == OP_SPRINTF)) { | |
4750 | SV *msg = sv_newmortal(); | |
4751 | sv_setpvf(msg, "Invalid conversion in %s: ", | |
4752 | (op->op_type == OP_PRTF) ? "printf" : "sprintf"); | |
4753 | if (c) | |
4754 | sv_catpvf(msg, isPRINT(c) ? "\"%%%c\"" : "\"%%\\%03o\"", | |
4755 | c & 0xFF); | |
4756 | else | |
4757 | sv_catpv(msg, "end of string"); | |
4758 | warn("%_", msg); /* yes, this is reentrant */ | |
4759 | } | |
fb73857a | 4760 | |
4761 | /* output mangled stuff ... */ | |
4762 | if (c == '\0') | |
4763 | --q; | |
46fc3d4c | 4764 | eptr = p; |
4765 | elen = q - p; | |
fb73857a | 4766 | |
4767 | /* ... right here, because formatting flags should not apply */ | |
4768 | SvGROW(sv, SvCUR(sv) + elen + 1); | |
4769 | p = SvEND(sv); | |
4770 | memcpy(p, eptr, elen); | |
4771 | p += elen; | |
4772 | *p = '\0'; | |
4773 | SvCUR(sv) = p - SvPVX(sv); | |
4774 | continue; /* not "break" */ | |
46fc3d4c | 4775 | } |
4776 | ||
fc36a67e | 4777 | have = esignlen + zeros + elen; |
46fc3d4c | 4778 | need = (have > width ? have : width); |
4779 | gap = need - have; | |
4780 | ||
7bc39d62 | 4781 | SvGROW(sv, SvCUR(sv) + need + 1); |
46fc3d4c | 4782 | p = SvEND(sv); |
4783 | if (esignlen && fill == '0') { | |
4784 | for (i = 0; i < esignlen; i++) | |
4785 | *p++ = esignbuf[i]; | |
4786 | } | |
4787 | if (gap && !left) { | |
4788 | memset(p, fill, gap); | |
4789 | p += gap; | |
4790 | } | |
4791 | if (esignlen && fill != '0') { | |
4792 | for (i = 0; i < esignlen; i++) | |
4793 | *p++ = esignbuf[i]; | |
4794 | } | |
fc36a67e | 4795 | if (zeros) { |
4796 | for (i = zeros; i; i--) | |
4797 | *p++ = '0'; | |
4798 | } | |
46fc3d4c | 4799 | if (elen) { |
4800 | memcpy(p, eptr, elen); | |
4801 | p += elen; | |
4802 | } | |
4803 | if (gap && left) { | |
4804 | memset(p, ' ', gap); | |
4805 | p += gap; | |
4806 | } | |
4807 | *p = '\0'; | |
4808 | SvCUR(sv) = p - SvPVX(sv); | |
4809 | } | |
4810 | } | |
4811 | ||
8990e307 LW |
4812 | #ifdef DEBUGGING |
4813 | void | |
8ac85365 | 4814 | sv_dump(SV *sv) |
8990e307 | 4815 | { |
46fc3d4c | 4816 | SV *d = sv_newmortal(); |
4817 | char *s; | |
8990e307 LW |
4818 | U32 flags; |
4819 | U32 type; | |
4820 | ||
4821 | if (!sv) { | |
760ac839 | 4822 | PerlIO_printf(Perl_debug_log, "SV = 0\n"); |
8990e307 LW |
4823 | return; |
4824 | } | |
4825 | ||
4826 | flags = SvFLAGS(sv); | |
4827 | type = SvTYPE(sv); | |
4828 | ||
46fc3d4c | 4829 | sv_setpvf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (", |
4830 | (unsigned long)SvANY(sv), (long)SvREFCNT(sv)); | |
4831 | if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,"); | |
4832 | if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,"); | |
4833 | if (flags & SVs_PADMY) sv_catpv(d, "PADMY,"); | |
4834 | if (flags & SVs_TEMP) sv_catpv(d, "TEMP,"); | |
4835 | if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,"); | |
4836 | if (flags & SVs_GMG) sv_catpv(d, "GMG,"); | |
4837 | if (flags & SVs_SMG) sv_catpv(d, "SMG,"); | |
4838 | if (flags & SVs_RMG) sv_catpv(d, "RMG,"); | |
4839 | ||
4840 | if (flags & SVf_IOK) sv_catpv(d, "IOK,"); | |
4841 | if (flags & SVf_NOK) sv_catpv(d, "NOK,"); | |
4842 | if (flags & SVf_POK) sv_catpv(d, "POK,"); | |
4843 | if (flags & SVf_ROK) sv_catpv(d, "ROK,"); | |
4844 | if (flags & SVf_OOK) sv_catpv(d, "OOK,"); | |
4845 | if (flags & SVf_FAKE) sv_catpv(d, "FAKE,"); | |
4846 | if (flags & SVf_READONLY) sv_catpv(d, "READONLY,"); | |
8990e307 | 4847 | |
1edc1566 | 4848 | #ifdef OVERLOAD |
46fc3d4c | 4849 | if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,"); |
1edc1566 | 4850 | #endif /* OVERLOAD */ |
46fc3d4c | 4851 | if (flags & SVp_IOK) sv_catpv(d, "pIOK,"); |
4852 | if (flags & SVp_NOK) sv_catpv(d, "pNOK,"); | |
4853 | if (flags & SVp_POK) sv_catpv(d, "pPOK,"); | |
4854 | if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,"); | |
1edc1566 | 4855 | |
4856 | switch (type) { | |
4857 | case SVt_PVCV: | |
774d564b | 4858 | case SVt_PVFM: |
46fc3d4c | 4859 | if (CvANON(sv)) sv_catpv(d, "ANON,"); |
4860 | if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,"); | |
4861 | if (CvCLONE(sv)) sv_catpv(d, "CLONE,"); | |
4862 | if (CvCLONED(sv)) sv_catpv(d, "CLONED,"); | |
4863 | if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,"); | |
4864 | break; | |
55497cff | 4865 | case SVt_PVHV: |
46fc3d4c | 4866 | if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,"); |
4867 | if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,"); | |
4868 | break; | |
1edc1566 | 4869 | case SVt_PVGV: |
46fc3d4c | 4870 | if (GvINTRO(sv)) sv_catpv(d, "INTRO,"); |
4871 | if (GvMULTI(sv)) sv_catpv(d, "MULTI,"); | |
4872 | if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,"); | |
4873 | if (GvIMPORTED(sv)) { | |
4874 | sv_catpv(d, "IMPORT"); | |
4875 | if (GvIMPORTED(sv) == GVf_IMPORTED) | |
4876 | sv_catpv(d, "ALL,"); | |
4877 | else { | |
4878 | sv_catpv(d, "("); | |
4879 | if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV"); | |
4880 | if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV"); | |
4881 | if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV"); | |
4882 | if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV"); | |
4883 | sv_catpv(d, " ),"); | |
4884 | } | |
4885 | } | |
c277df42 IZ |
4886 | case SVt_PVBM: |
4887 | if (SvTAIL(sv)) sv_catpv(d, "TAIL,"); | |
4888 | if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,"); | |
4889 | break; | |
1edc1566 | 4890 | } |
4891 | ||
46fc3d4c | 4892 | if (*(SvEND(d) - 1) == ',') |
4893 | SvPVX(d)[--SvCUR(d)] = '\0'; | |
4894 | sv_catpv(d, ")"); | |
4895 | s = SvPVX(d); | |
8990e307 | 4896 | |
760ac839 | 4897 | PerlIO_printf(Perl_debug_log, "SV = "); |
8990e307 LW |
4898 | switch (type) { |
4899 | case SVt_NULL: | |
46fc3d4c | 4900 | PerlIO_printf(Perl_debug_log, "NULL%s\n", s); |
8990e307 LW |
4901 | return; |
4902 | case SVt_IV: | |
46fc3d4c | 4903 | PerlIO_printf(Perl_debug_log, "IV%s\n", s); |
8990e307 LW |
4904 | break; |
4905 | case SVt_NV: | |
46fc3d4c | 4906 | PerlIO_printf(Perl_debug_log, "NV%s\n", s); |
8990e307 LW |
4907 | break; |
4908 | case SVt_RV: | |
46fc3d4c | 4909 | PerlIO_printf(Perl_debug_log, "RV%s\n", s); |
8990e307 LW |
4910 | break; |
4911 | case SVt_PV: | |
46fc3d4c | 4912 | PerlIO_printf(Perl_debug_log, "PV%s\n", s); |
8990e307 LW |
4913 | break; |
4914 | case SVt_PVIV: | |
46fc3d4c | 4915 | PerlIO_printf(Perl_debug_log, "PVIV%s\n", s); |
8990e307 LW |
4916 | break; |
4917 | case SVt_PVNV: | |
46fc3d4c | 4918 | PerlIO_printf(Perl_debug_log, "PVNV%s\n", s); |
8990e307 LW |
4919 | break; |
4920 | case SVt_PVBM: | |
46fc3d4c | 4921 | PerlIO_printf(Perl_debug_log, "PVBM%s\n", s); |
8990e307 LW |
4922 | break; |
4923 | case SVt_PVMG: | |
46fc3d4c | 4924 | PerlIO_printf(Perl_debug_log, "PVMG%s\n", s); |
8990e307 LW |
4925 | break; |
4926 | case SVt_PVLV: | |
46fc3d4c | 4927 | PerlIO_printf(Perl_debug_log, "PVLV%s\n", s); |
8990e307 LW |
4928 | break; |
4929 | case SVt_PVAV: | |
46fc3d4c | 4930 | PerlIO_printf(Perl_debug_log, "PVAV%s\n", s); |
8990e307 LW |
4931 | break; |
4932 | case SVt_PVHV: | |
46fc3d4c | 4933 | PerlIO_printf(Perl_debug_log, "PVHV%s\n", s); |
8990e307 LW |
4934 | break; |
4935 | case SVt_PVCV: | |
46fc3d4c | 4936 | PerlIO_printf(Perl_debug_log, "PVCV%s\n", s); |
8990e307 LW |
4937 | break; |
4938 | case SVt_PVGV: | |
46fc3d4c | 4939 | PerlIO_printf(Perl_debug_log, "PVGV%s\n", s); |
8990e307 LW |
4940 | break; |
4941 | case SVt_PVFM: | |
46fc3d4c | 4942 | PerlIO_printf(Perl_debug_log, "PVFM%s\n", s); |
8990e307 LW |
4943 | break; |
4944 | case SVt_PVIO: | |
46fc3d4c | 4945 | PerlIO_printf(Perl_debug_log, "PVIO%s\n", s); |
8990e307 LW |
4946 | break; |
4947 | default: | |
46fc3d4c | 4948 | PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", s); |
8990e307 LW |
4949 | return; |
4950 | } | |
4951 | if (type >= SVt_PVIV || type == SVt_IV) | |
760ac839 | 4952 | PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv)); |
bbce6d69 | 4953 | if (type >= SVt_PVNV || type == SVt_NV) { |
36477c24 | 4954 | SET_NUMERIC_STANDARD(); |
760ac839 | 4955 | PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv)); |
bbce6d69 | 4956 | } |
8990e307 | 4957 | if (SvROK(sv)) { |
760ac839 | 4958 | PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv)); |
8990e307 LW |
4959 | sv_dump(SvRV(sv)); |
4960 | return; | |
4961 | } | |
4962 | if (type < SVt_PV) | |
4963 | return; | |
4964 | if (type <= SVt_PVLV) { | |
4965 | if (SvPVX(sv)) | |
760ac839 | 4966 | PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n", |
a0d0e21e | 4967 | (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv)); |
8990e307 | 4968 | else |
760ac839 | 4969 | PerlIO_printf(Perl_debug_log, " PV = 0\n"); |
8990e307 LW |
4970 | } |
4971 | if (type >= SVt_PVMG) { | |
4972 | if (SvMAGIC(sv)) { | |
760ac839 | 4973 | PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv)); |
8990e307 LW |
4974 | } |
4975 | if (SvSTASH(sv)) | |
760ac839 | 4976 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv))); |
8990e307 LW |
4977 | } |
4978 | switch (type) { | |
4979 | case SVt_PVLV: | |
760ac839 LW |
4980 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv)); |
4981 | PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv)); | |
4982 | PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv)); | |
4983 | PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv)); | |
8990e307 LW |
4984 | sv_dump(LvTARG(sv)); |
4985 | break; | |
4986 | case SVt_PVAV: | |
760ac839 LW |
4987 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv)); |
4988 | PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv)); | |
93965878 | 4989 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILLp(sv)); |
760ac839 LW |
4990 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv)); |
4991 | PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv)); | |
4633a7c4 | 4992 | flags = AvFLAGS(sv); |
46fc3d4c | 4993 | sv_setpv(d, ""); |
4994 | if (flags & AVf_REAL) sv_catpv(d, ",REAL"); | |
4995 | if (flags & AVf_REIFY) sv_catpv(d, ",REIFY"); | |
4996 | if (flags & AVf_REUSED) sv_catpv(d, ",REUSED"); | |
4997 | PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", | |
4998 | SvCUR(d) ? SvPVX(d) + 1 : ""); | |
8990e307 LW |
4999 | break; |
5000 | case SVt_PVHV: | |
760ac839 LW |
5001 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv)); |
5002 | PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv)); | |
5003 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv)); | |
5004 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv)); | |
5005 | PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv)); | |
5006 | PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv)); | |
8990e307 | 5007 | if (HvPMROOT(sv)) |
760ac839 | 5008 | PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv)); |
8990e307 | 5009 | if (HvNAME(sv)) |
760ac839 | 5010 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv)); |
8990e307 | 5011 | break; |
8990e307 | 5012 | case SVt_PVCV: |
1edc1566 | 5013 | if (SvPOK(sv)) |
760ac839 | 5014 | PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na)); |
fa83b5b6 | 5015 | /* FALL THROUGH */ |
5016 | case SVt_PVFM: | |
760ac839 LW |
5017 | PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv)); |
5018 | PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv)); | |
5019 | PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv)); | |
5020 | PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv)); | |
5021 | PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32); | |
d1bf51dd | 5022 | PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv)); |
1edc1566 | 5023 | if (CvGV(sv) && GvNAME(CvGV(sv))) { |
d1bf51dd | 5024 | PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv))); |
1edc1566 | 5025 | } else { |
d1bf51dd | 5026 | PerlIO_printf(Perl_debug_log, "\n"); |
1edc1566 | 5027 | } |
760ac839 LW |
5028 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv)); |
5029 | PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv)); | |
5030 | PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv)); | |
5031 | PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv)); | |
11343788 | 5032 | #ifdef USE_THREADS |
5dc0d613 | 5033 | PerlIO_printf(Perl_debug_log, " MUTEXP = 0x%lx\n", (long)CvMUTEXP(sv)); |
5dc0d613 | 5034 | PerlIO_printf(Perl_debug_log, " OWNER = 0x%lx\n", (long)CvOWNER(sv)); |
11343788 | 5035 | #endif /* USE_THREADS */ |
77a005ab MB |
5036 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", |
5037 | (unsigned long)CvFLAGS(sv)); | |
8990e307 | 5038 | if (type == SVt_PVFM) |
760ac839 | 5039 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv)); |
8990e307 LW |
5040 | break; |
5041 | case SVt_PVGV: | |
760ac839 LW |
5042 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv)); |
5043 | PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv)); | |
ec12f114 JPC |
5044 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", |
5045 | SvTYPE(GvSTASH(sv)) == SVt_PVHV ? HvNAME(GvSTASH(sv)) : "(deleted)"); | |
760ac839 LW |
5046 | PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv)); |
5047 | PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv)); | |
5048 | PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv)); | |
5049 | PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv)); | |
5050 | PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv)); | |
5051 | PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv)); | |
5052 | PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv)); | |
5053 | PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv)); | |
5054 | PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv)); | |
5055 | PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv)); | |
5056 | PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv)); | |
55497cff | 5057 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv)); |
760ac839 | 5058 | PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv)); |
8990e307 LW |
5059 | break; |
5060 | case SVt_PVIO: | |
760ac839 LW |
5061 | PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv)); |
5062 | PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv)); | |
5063 | PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv)); | |
5064 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv)); | |
5065 | PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv)); | |
5066 | PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv)); | |
5067 | PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv)); | |
5068 | PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv)); | |
5069 | PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv)); | |
5070 | PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv)); | |
5071 | PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv)); | |
5072 | PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv)); | |
5073 | PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv)); | |
5074 | PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv)); | |
5075 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv)); | |
5076 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv)); | |
8990e307 LW |
5077 | break; |
5078 | } | |
5079 | } | |
2304df62 AD |
5080 | #else |
5081 | void | |
8ac85365 | 5082 | sv_dump(SV *sv) |
2304df62 AD |
5083 | { |
5084 | } | |
8990e307 | 5085 | #endif |
f0f333f4 | 5086 | |
4e35701f NIS |
5087 | |
5088 | ||
5089 |