Commit | Line | Data |
a0d0e21e |
1 | /* sv.c |
79072805 |
2 | * |
a0d0e21e |
3 | * Copyright (c) 1991-1994, Larry Wall |
79072805 |
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 |
8 | */ |
9 | |
10 | /* |
11 | * "I wonder what the Entish is for 'yes' and 'no'," he thought. |
79072805 |
12 | */ |
13 | |
14 | #include "EXTERN.h" |
15 | #include "perl.h" |
79072805 |
16 | |
a0d0e21e |
17 | /* The following is all to get DBL_DIG, in order to pick a nice |
18 | default value for printing floating point numbers in Gconvert. |
19 | (see config.h) |
20 | */ |
21 | #ifdef I_LIMITS |
22 | #include <limits.h> |
23 | #endif |
24 | #ifdef I_FLOAT |
25 | #include <float.h> |
26 | #endif |
27 | #ifndef HAS_DBL_DIG |
28 | #define DBL_DIG 15 /* A guess that works lots of places */ |
29 | #endif |
30 | |
31 | static SV *more_sv _((void)); |
32 | static XPVIV *more_xiv _((void)); |
33 | static XPVNV *more_xnv _((void)); |
34 | static XPV *more_xpv _((void)); |
35 | static XRV *more_xrv _((void)); |
36 | static SV *new_sv _((void)); |
37 | static XPVIV *new_xiv _((void)); |
38 | static XPVNV *new_xnv _((void)); |
39 | static XPV *new_xpv _((void)); |
40 | static XRV *new_xrv _((void)); |
41 | static void del_xiv _((XPVIV* p)); |
42 | static void del_xnv _((XPVNV* p)); |
43 | static void del_xpv _((XPV* p)); |
44 | static void del_xrv _((XRV* p)); |
45 | static void sv_mortalgrow _((void)); |
46 | |
47 | static void sv_unglob _((SV* sv)); |
48 | |
49 | #ifdef PURIFY |
79072805 |
50 | |
a0d0e21e |
51 | #define new_SV() sv = (SV*)safemalloc(sizeof(SV)) |
52 | #define del_SV(p) free((char*)p) |
53 | |
54 | #else |
55 | |
56 | #define new_SV() \ |
57 | if (sv_root) { \ |
58 | sv = sv_root; \ |
59 | sv_root = (SV*)SvANY(sv); \ |
60 | ++sv_count; \ |
61 | } \ |
62 | else \ |
63 | sv = more_sv(); |
463ee0b2 |
64 | |
65 | static SV* |
66 | new_sv() |
67 | { |
68 | SV* sv; |
69 | if (sv_root) { |
70 | sv = sv_root; |
71 | sv_root = (SV*)SvANY(sv); |
8990e307 |
72 | ++sv_count; |
463ee0b2 |
73 | return sv; |
74 | } |
75 | return more_sv(); |
76 | } |
77 | |
a0d0e21e |
78 | #ifdef DEBUGGING |
79 | #define del_SV(p) \ |
80 | if (debug & 32768) \ |
81 | del_sv(p); \ |
82 | else { \ |
83 | SvANY(p) = (void *)sv_root; \ |
84 | sv_root = p; \ |
85 | --sv_count; \ |
86 | } |
87 | |
463ee0b2 |
88 | static void |
89 | del_sv(p) |
90 | SV* p; |
91 | { |
a0d0e21e |
92 | if (debug & 32768) { |
93 | SV* sv; |
94 | SV* svend; |
95 | int ok = 0; |
96 | for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(svend)) { |
97 | svend = &sv[1008 / sizeof(SV)]; |
98 | if (p >= sv && p < svend) |
99 | ok = 1; |
100 | } |
101 | if (!ok) { |
102 | warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p); |
103 | return; |
104 | } |
105 | } |
106 | SvANY(p) = (void *) sv_root; |
463ee0b2 |
107 | sv_root = p; |
8990e307 |
108 | --sv_count; |
463ee0b2 |
109 | } |
a0d0e21e |
110 | #else |
111 | #define del_SV(p) \ |
112 | SvANY(p) = (void *)sv_root; \ |
113 | sv_root = p; \ |
114 | --sv_count; |
115 | |
116 | #endif |
463ee0b2 |
117 | |
118 | static SV* |
119 | more_sv() |
120 | { |
463ee0b2 |
121 | register SV* sv; |
122 | register SV* svend; |
8990e307 |
123 | sv_root = (SV*)safemalloc(1012); |
463ee0b2 |
124 | sv = sv_root; |
85e6fe83 |
125 | Zero(sv, 1012, char); |
463ee0b2 |
126 | svend = &sv[1008 / sizeof(SV) - 1]; |
127 | while (sv < svend) { |
a0d0e21e |
128 | SvANY(sv) = (void *)(SV*)(sv + 1); |
8990e307 |
129 | SvFLAGS(sv) = SVTYPEMASK; |
463ee0b2 |
130 | sv++; |
131 | } |
132 | SvANY(sv) = 0; |
8990e307 |
133 | sv++; |
a0d0e21e |
134 | SvANY(sv) = (void *) sv_arenaroot; |
8990e307 |
135 | sv_arenaroot = sv_root; |
463ee0b2 |
136 | return new_sv(); |
137 | } |
748a9306 |
138 | #endif |
463ee0b2 |
139 | |
8990e307 |
140 | void |
141 | sv_report_used() |
142 | { |
143 | SV* sv; |
144 | register SV* svend; |
145 | |
a0d0e21e |
146 | for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(sv)) { |
8990e307 |
147 | svend = &sv[1008 / sizeof(SV)]; |
148 | while (sv < svend) { |
149 | if (SvTYPE(sv) != SVTYPEMASK) { |
150 | fprintf(stderr, "****\n"); |
151 | sv_dump(sv); |
152 | } |
153 | ++sv; |
154 | } |
155 | } |
156 | } |
157 | |
158 | void |
a0d0e21e |
159 | sv_clean_objs() |
8990e307 |
160 | { |
161 | register SV* sv; |
162 | register SV* svend; |
a0d0e21e |
163 | SV* rv; |
8990e307 |
164 | |
a0d0e21e |
165 | for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(sv)) { |
8990e307 |
166 | svend = &sv[1008 / sizeof(SV)]; |
167 | while (sv < svend) { |
a0d0e21e |
168 | if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) { |
169 | DEBUG_D((fprintf(stderr, "Cleaning object ref:\n "), |
170 | sv_dump(sv));) |
171 | SvROK_off(sv); |
172 | SvRV(sv) = 0; |
173 | SvREFCNT_dec(rv); |
8990e307 |
174 | } |
a0d0e21e |
175 | /* XXX Might want to check arrays, etc. */ |
8990e307 |
176 | ++sv; |
177 | } |
178 | } |
179 | } |
180 | |
181 | void |
8990e307 |
182 | sv_clean_all() |
183 | { |
184 | register SV* sv; |
185 | register SV* svend; |
186 | |
a0d0e21e |
187 | for (sv = sv_arenaroot; sv; sv = (SV *) SvANY(sv)) { |
8990e307 |
188 | svend = &sv[1008 / sizeof(SV)]; |
189 | while (sv < svend) { |
190 | if (SvTYPE(sv) != SVTYPEMASK) { |
191 | DEBUG_D((fprintf(stderr, "Cleaning loops:\n "), sv_dump(sv));) |
192 | SvFLAGS(sv) |= SVf_BREAK; |
193 | SvREFCNT_dec(sv); |
194 | } |
195 | ++sv; |
196 | } |
197 | } |
198 | } |
463ee0b2 |
199 | |
463ee0b2 |
200 | static XPVIV* |
201 | new_xiv() |
202 | { |
a0d0e21e |
203 | IV** xiv; |
463ee0b2 |
204 | if (xiv_root) { |
205 | xiv = xiv_root; |
85e6fe83 |
206 | /* |
207 | * See comment in more_xiv() -- RAM. |
208 | */ |
a0d0e21e |
209 | xiv_root = (IV**)*xiv; |
463ee0b2 |
210 | return (XPVIV*)((char*)xiv - sizeof(XPV)); |
211 | } |
212 | return more_xiv(); |
213 | } |
214 | |
215 | static void |
216 | del_xiv(p) |
217 | XPVIV* p; |
218 | { |
a0d0e21e |
219 | IV** xiv = (IV**)((char*)(p) + sizeof(XPV)); |
220 | *xiv = (IV *)xiv_root; |
463ee0b2 |
221 | xiv_root = xiv; |
222 | } |
223 | |
224 | static XPVIV* |
225 | more_xiv() |
226 | { |
a0d0e21e |
227 | register IV** xiv; |
228 | register IV** xivend; |
229 | XPV* ptr = (XPV*)safemalloc(1008); |
230 | ptr->xpv_pv = (char*)xiv_arenaroot; /* linked list of xiv arenas */ |
231 | xiv_arenaroot = ptr; /* to keep Purify happy */ |
232 | |
233 | xiv = (IV**) ptr; |
234 | xivend = &xiv[1008 / sizeof(IV *) - 1]; |
235 | xiv += (sizeof(XPV) - 1) / sizeof(IV *) + 1; /* fudge by size of XPV */ |
463ee0b2 |
236 | xiv_root = xiv; |
237 | while (xiv < xivend) { |
a0d0e21e |
238 | *xiv = (IV *)(xiv + 1); |
463ee0b2 |
239 | xiv++; |
240 | } |
85e6fe83 |
241 | *xiv = 0; |
463ee0b2 |
242 | return new_xiv(); |
243 | } |
244 | |
463ee0b2 |
245 | static XPVNV* |
246 | new_xnv() |
247 | { |
248 | double* xnv; |
249 | if (xnv_root) { |
250 | xnv = xnv_root; |
251 | xnv_root = *(double**)xnv; |
252 | return (XPVNV*)((char*)xnv - sizeof(XPVIV)); |
253 | } |
254 | return more_xnv(); |
255 | } |
256 | |
257 | static void |
258 | del_xnv(p) |
259 | XPVNV* p; |
260 | { |
261 | double* xnv = (double*)((char*)(p) + sizeof(XPVIV)); |
262 | *(double**)xnv = xnv_root; |
263 | xnv_root = xnv; |
264 | } |
265 | |
266 | static XPVNV* |
267 | more_xnv() |
268 | { |
463ee0b2 |
269 | register double* xnv; |
270 | register double* xnvend; |
8990e307 |
271 | xnv = (double*)safemalloc(1008); |
463ee0b2 |
272 | xnvend = &xnv[1008 / sizeof(double) - 1]; |
273 | xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */ |
274 | xnv_root = xnv; |
275 | while (xnv < xnvend) { |
276 | *(double**)xnv = (double*)(xnv + 1); |
277 | xnv++; |
278 | } |
279 | *(double**)xnv = 0; |
280 | return new_xnv(); |
281 | } |
282 | |
ed6116ce |
283 | static XRV* |
284 | new_xrv() |
285 | { |
286 | XRV* xrv; |
287 | if (xrv_root) { |
288 | xrv = xrv_root; |
289 | xrv_root = (XRV*)xrv->xrv_rv; |
290 | return xrv; |
291 | } |
292 | return more_xrv(); |
293 | } |
294 | |
295 | static void |
296 | del_xrv(p) |
297 | XRV* p; |
298 | { |
299 | p->xrv_rv = (SV*)xrv_root; |
300 | xrv_root = p; |
301 | } |
302 | |
303 | static XRV* |
304 | more_xrv() |
305 | { |
ed6116ce |
306 | register XRV* xrv; |
307 | register XRV* xrvend; |
8990e307 |
308 | xrv_root = (XRV*)safemalloc(1008); |
ed6116ce |
309 | xrv = xrv_root; |
310 | xrvend = &xrv[1008 / sizeof(XRV) - 1]; |
311 | while (xrv < xrvend) { |
312 | xrv->xrv_rv = (SV*)(xrv + 1); |
313 | xrv++; |
314 | } |
315 | xrv->xrv_rv = 0; |
316 | return new_xrv(); |
317 | } |
318 | |
463ee0b2 |
319 | static XPV* |
320 | new_xpv() |
321 | { |
322 | XPV* xpv; |
323 | if (xpv_root) { |
324 | xpv = xpv_root; |
325 | xpv_root = (XPV*)xpv->xpv_pv; |
326 | return xpv; |
327 | } |
328 | return more_xpv(); |
329 | } |
330 | |
331 | static void |
332 | del_xpv(p) |
333 | XPV* p; |
334 | { |
335 | p->xpv_pv = (char*)xpv_root; |
336 | xpv_root = p; |
337 | } |
338 | |
339 | static XPV* |
340 | more_xpv() |
341 | { |
463ee0b2 |
342 | register XPV* xpv; |
343 | register XPV* xpvend; |
8990e307 |
344 | xpv_root = (XPV*)safemalloc(1008); |
463ee0b2 |
345 | xpv = xpv_root; |
346 | xpvend = &xpv[1008 / sizeof(XPV) - 1]; |
347 | while (xpv < xpvend) { |
348 | xpv->xpv_pv = (char*)(xpv + 1); |
349 | xpv++; |
350 | } |
351 | xpv->xpv_pv = 0; |
352 | return new_xpv(); |
353 | } |
354 | |
355 | #ifdef PURIFY |
8990e307 |
356 | #define new_XIV() (void*)safemalloc(sizeof(XPVIV)) |
463ee0b2 |
357 | #define del_XIV(p) free((char*)p) |
358 | #else |
85e6fe83 |
359 | #define new_XIV() (void*)new_xiv() |
463ee0b2 |
360 | #define del_XIV(p) del_xiv(p) |
361 | #endif |
362 | |
363 | #ifdef PURIFY |
8990e307 |
364 | #define new_XNV() (void*)safemalloc(sizeof(XPVNV)) |
463ee0b2 |
365 | #define del_XNV(p) free((char*)p) |
366 | #else |
85e6fe83 |
367 | #define new_XNV() (void*)new_xnv() |
463ee0b2 |
368 | #define del_XNV(p) del_xnv(p) |
369 | #endif |
370 | |
371 | #ifdef PURIFY |
8990e307 |
372 | #define new_XRV() (void*)safemalloc(sizeof(XRV)) |
ed6116ce |
373 | #define del_XRV(p) free((char*)p) |
374 | #else |
85e6fe83 |
375 | #define new_XRV() (void*)new_xrv() |
ed6116ce |
376 | #define del_XRV(p) del_xrv(p) |
377 | #endif |
378 | |
379 | #ifdef PURIFY |
8990e307 |
380 | #define new_XPV() (void*)safemalloc(sizeof(XPV)) |
463ee0b2 |
381 | #define del_XPV(p) free((char*)p) |
382 | #else |
85e6fe83 |
383 | #define new_XPV() (void*)new_xpv() |
463ee0b2 |
384 | #define del_XPV(p) del_xpv(p) |
385 | #endif |
386 | |
8990e307 |
387 | #define new_XPVIV() (void*)safemalloc(sizeof(XPVIV)) |
463ee0b2 |
388 | #define del_XPVIV(p) free((char*)p) |
389 | |
8990e307 |
390 | #define new_XPVNV() (void*)safemalloc(sizeof(XPVNV)) |
463ee0b2 |
391 | #define del_XPVNV(p) free((char*)p) |
392 | |
8990e307 |
393 | #define new_XPVMG() (void*)safemalloc(sizeof(XPVMG)) |
463ee0b2 |
394 | #define del_XPVMG(p) free((char*)p) |
395 | |
8990e307 |
396 | #define new_XPVLV() (void*)safemalloc(sizeof(XPVLV)) |
463ee0b2 |
397 | #define del_XPVLV(p) free((char*)p) |
398 | |
8990e307 |
399 | #define new_XPVAV() (void*)safemalloc(sizeof(XPVAV)) |
463ee0b2 |
400 | #define del_XPVAV(p) free((char*)p) |
401 | |
8990e307 |
402 | #define new_XPVHV() (void*)safemalloc(sizeof(XPVHV)) |
463ee0b2 |
403 | #define del_XPVHV(p) free((char*)p) |
404 | |
8990e307 |
405 | #define new_XPVCV() (void*)safemalloc(sizeof(XPVCV)) |
463ee0b2 |
406 | #define del_XPVCV(p) free((char*)p) |
407 | |
8990e307 |
408 | #define new_XPVGV() (void*)safemalloc(sizeof(XPVGV)) |
463ee0b2 |
409 | #define del_XPVGV(p) free((char*)p) |
410 | |
8990e307 |
411 | #define new_XPVBM() (void*)safemalloc(sizeof(XPVBM)) |
463ee0b2 |
412 | #define del_XPVBM(p) free((char*)p) |
413 | |
8990e307 |
414 | #define new_XPVFM() (void*)safemalloc(sizeof(XPVFM)) |
463ee0b2 |
415 | #define del_XPVFM(p) free((char*)p) |
416 | |
8990e307 |
417 | #define new_XPVIO() (void*)safemalloc(sizeof(XPVIO)) |
418 | #define del_XPVIO(p) free((char*)p) |
419 | |
79072805 |
420 | bool |
421 | sv_upgrade(sv, mt) |
422 | register SV* sv; |
423 | U32 mt; |
424 | { |
425 | char* pv; |
426 | U32 cur; |
427 | U32 len; |
a0d0e21e |
428 | IV iv; |
79072805 |
429 | double nv; |
430 | MAGIC* magic; |
431 | HV* stash; |
432 | |
433 | if (SvTYPE(sv) == mt) |
434 | return TRUE; |
435 | |
436 | switch (SvTYPE(sv)) { |
437 | case SVt_NULL: |
438 | pv = 0; |
439 | cur = 0; |
440 | len = 0; |
441 | iv = 0; |
442 | nv = 0.0; |
443 | magic = 0; |
444 | stash = 0; |
445 | break; |
79072805 |
446 | case SVt_IV: |
447 | pv = 0; |
448 | cur = 0; |
449 | len = 0; |
463ee0b2 |
450 | iv = SvIVX(sv); |
451 | nv = (double)SvIVX(sv); |
79072805 |
452 | del_XIV(SvANY(sv)); |
453 | magic = 0; |
454 | stash = 0; |
ed6116ce |
455 | if (mt == SVt_NV) |
463ee0b2 |
456 | mt = SVt_PVNV; |
ed6116ce |
457 | else if (mt < SVt_PVIV) |
458 | mt = SVt_PVIV; |
79072805 |
459 | break; |
460 | case SVt_NV: |
461 | pv = 0; |
462 | cur = 0; |
463 | len = 0; |
463ee0b2 |
464 | nv = SvNVX(sv); |
ed6116ce |
465 | iv = I_32(nv); |
79072805 |
466 | magic = 0; |
467 | stash = 0; |
468 | del_XNV(SvANY(sv)); |
469 | SvANY(sv) = 0; |
ed6116ce |
470 | if (mt < SVt_PVNV) |
79072805 |
471 | mt = SVt_PVNV; |
472 | break; |
ed6116ce |
473 | case SVt_RV: |
474 | pv = (char*)SvRV(sv); |
475 | cur = 0; |
476 | len = 0; |
a0d0e21e |
477 | iv = (IV)pv; |
ed6116ce |
478 | nv = (double)(unsigned long)pv; |
479 | del_XRV(SvANY(sv)); |
480 | magic = 0; |
481 | stash = 0; |
482 | break; |
79072805 |
483 | case SVt_PV: |
484 | nv = 0.0; |
463ee0b2 |
485 | pv = SvPVX(sv); |
79072805 |
486 | cur = SvCUR(sv); |
487 | len = SvLEN(sv); |
488 | iv = 0; |
489 | nv = 0.0; |
490 | magic = 0; |
491 | stash = 0; |
492 | del_XPV(SvANY(sv)); |
748a9306 |
493 | if (mt <= SVt_IV) |
494 | mt = SVt_PVIV; |
495 | else if (mt == SVt_NV) |
496 | mt = SVt_PVNV; |
79072805 |
497 | break; |
498 | case SVt_PVIV: |
499 | nv = 0.0; |
463ee0b2 |
500 | pv = SvPVX(sv); |
79072805 |
501 | cur = SvCUR(sv); |
502 | len = SvLEN(sv); |
463ee0b2 |
503 | iv = SvIVX(sv); |
79072805 |
504 | nv = 0.0; |
505 | magic = 0; |
506 | stash = 0; |
507 | del_XPVIV(SvANY(sv)); |
508 | break; |
509 | case SVt_PVNV: |
463ee0b2 |
510 | nv = SvNVX(sv); |
511 | pv = SvPVX(sv); |
79072805 |
512 | cur = SvCUR(sv); |
513 | len = SvLEN(sv); |
463ee0b2 |
514 | iv = SvIVX(sv); |
515 | nv = SvNVX(sv); |
79072805 |
516 | magic = 0; |
517 | stash = 0; |
518 | del_XPVNV(SvANY(sv)); |
519 | break; |
520 | case SVt_PVMG: |
463ee0b2 |
521 | pv = SvPVX(sv); |
79072805 |
522 | cur = SvCUR(sv); |
523 | len = SvLEN(sv); |
463ee0b2 |
524 | iv = SvIVX(sv); |
525 | nv = SvNVX(sv); |
79072805 |
526 | magic = SvMAGIC(sv); |
527 | stash = SvSTASH(sv); |
528 | del_XPVMG(SvANY(sv)); |
529 | break; |
530 | default: |
463ee0b2 |
531 | croak("Can't upgrade that kind of scalar"); |
79072805 |
532 | } |
533 | |
534 | switch (mt) { |
535 | case SVt_NULL: |
463ee0b2 |
536 | croak("Can't upgrade to undef"); |
79072805 |
537 | case SVt_IV: |
538 | SvANY(sv) = new_XIV(); |
463ee0b2 |
539 | SvIVX(sv) = iv; |
79072805 |
540 | break; |
541 | case SVt_NV: |
542 | SvANY(sv) = new_XNV(); |
463ee0b2 |
543 | SvNVX(sv) = nv; |
79072805 |
544 | break; |
ed6116ce |
545 | case SVt_RV: |
546 | SvANY(sv) = new_XRV(); |
547 | SvRV(sv) = (SV*)pv; |
ed6116ce |
548 | break; |
79072805 |
549 | case SVt_PV: |
550 | SvANY(sv) = new_XPV(); |
463ee0b2 |
551 | SvPVX(sv) = pv; |
79072805 |
552 | SvCUR(sv) = cur; |
553 | SvLEN(sv) = len; |
554 | break; |
555 | case SVt_PVIV: |
556 | SvANY(sv) = new_XPVIV(); |
463ee0b2 |
557 | SvPVX(sv) = pv; |
79072805 |
558 | SvCUR(sv) = cur; |
559 | SvLEN(sv) = len; |
463ee0b2 |
560 | SvIVX(sv) = iv; |
79072805 |
561 | if (SvNIOK(sv)) |
a0d0e21e |
562 | (void)SvIOK_on(sv); |
79072805 |
563 | SvNOK_off(sv); |
564 | break; |
565 | case SVt_PVNV: |
566 | SvANY(sv) = new_XPVNV(); |
463ee0b2 |
567 | SvPVX(sv) = pv; |
79072805 |
568 | SvCUR(sv) = cur; |
569 | SvLEN(sv) = len; |
463ee0b2 |
570 | SvIVX(sv) = iv; |
571 | SvNVX(sv) = nv; |
79072805 |
572 | break; |
573 | case SVt_PVMG: |
574 | SvANY(sv) = new_XPVMG(); |
463ee0b2 |
575 | SvPVX(sv) = pv; |
79072805 |
576 | SvCUR(sv) = cur; |
577 | SvLEN(sv) = len; |
463ee0b2 |
578 | SvIVX(sv) = iv; |
579 | SvNVX(sv) = nv; |
79072805 |
580 | SvMAGIC(sv) = magic; |
581 | SvSTASH(sv) = stash; |
582 | break; |
583 | case SVt_PVLV: |
584 | SvANY(sv) = new_XPVLV(); |
463ee0b2 |
585 | SvPVX(sv) = pv; |
79072805 |
586 | SvCUR(sv) = cur; |
587 | SvLEN(sv) = len; |
463ee0b2 |
588 | SvIVX(sv) = iv; |
589 | SvNVX(sv) = nv; |
79072805 |
590 | SvMAGIC(sv) = magic; |
591 | SvSTASH(sv) = stash; |
592 | LvTARGOFF(sv) = 0; |
593 | LvTARGLEN(sv) = 0; |
594 | LvTARG(sv) = 0; |
595 | LvTYPE(sv) = 0; |
596 | break; |
597 | case SVt_PVAV: |
598 | SvANY(sv) = new_XPVAV(); |
463ee0b2 |
599 | if (pv) |
600 | Safefree(pv); |
2304df62 |
601 | SvPVX(sv) = 0; |
79072805 |
602 | AvMAX(sv) = 0; |
603 | AvFILL(sv) = 0; |
463ee0b2 |
604 | SvIVX(sv) = 0; |
605 | SvNVX(sv) = 0.0; |
606 | SvMAGIC(sv) = magic; |
607 | SvSTASH(sv) = stash; |
608 | AvALLOC(sv) = 0; |
79072805 |
609 | AvARYLEN(sv) = 0; |
610 | AvFLAGS(sv) = 0; |
611 | break; |
612 | case SVt_PVHV: |
613 | SvANY(sv) = new_XPVHV(); |
463ee0b2 |
614 | if (pv) |
615 | Safefree(pv); |
616 | SvPVX(sv) = 0; |
617 | HvFILL(sv) = 0; |
618 | HvMAX(sv) = 0; |
619 | HvKEYS(sv) = 0; |
620 | SvNVX(sv) = 0.0; |
79072805 |
621 | SvMAGIC(sv) = magic; |
622 | SvSTASH(sv) = stash; |
79072805 |
623 | HvRITER(sv) = 0; |
624 | HvEITER(sv) = 0; |
625 | HvPMROOT(sv) = 0; |
626 | HvNAME(sv) = 0; |
79072805 |
627 | break; |
628 | case SVt_PVCV: |
629 | SvANY(sv) = new_XPVCV(); |
748a9306 |
630 | Zero(SvANY(sv), 1, XPVCV); |
463ee0b2 |
631 | SvPVX(sv) = pv; |
79072805 |
632 | SvCUR(sv) = cur; |
633 | SvLEN(sv) = len; |
463ee0b2 |
634 | SvIVX(sv) = iv; |
635 | SvNVX(sv) = nv; |
79072805 |
636 | SvMAGIC(sv) = magic; |
637 | SvSTASH(sv) = stash; |
79072805 |
638 | break; |
639 | case SVt_PVGV: |
640 | SvANY(sv) = new_XPVGV(); |
463ee0b2 |
641 | SvPVX(sv) = pv; |
79072805 |
642 | SvCUR(sv) = cur; |
643 | SvLEN(sv) = len; |
463ee0b2 |
644 | SvIVX(sv) = iv; |
645 | SvNVX(sv) = nv; |
79072805 |
646 | SvMAGIC(sv) = magic; |
647 | SvSTASH(sv) = stash; |
93a17b20 |
648 | GvGP(sv) = 0; |
79072805 |
649 | GvNAME(sv) = 0; |
650 | GvNAMELEN(sv) = 0; |
651 | GvSTASH(sv) = 0; |
652 | break; |
653 | case SVt_PVBM: |
654 | SvANY(sv) = new_XPVBM(); |
463ee0b2 |
655 | SvPVX(sv) = pv; |
79072805 |
656 | SvCUR(sv) = cur; |
657 | SvLEN(sv) = len; |
463ee0b2 |
658 | SvIVX(sv) = iv; |
659 | SvNVX(sv) = nv; |
79072805 |
660 | SvMAGIC(sv) = magic; |
661 | SvSTASH(sv) = stash; |
662 | BmRARE(sv) = 0; |
663 | BmUSEFUL(sv) = 0; |
664 | BmPREVIOUS(sv) = 0; |
665 | break; |
666 | case SVt_PVFM: |
667 | SvANY(sv) = new_XPVFM(); |
748a9306 |
668 | Zero(SvANY(sv), 1, XPVFM); |
463ee0b2 |
669 | SvPVX(sv) = pv; |
79072805 |
670 | SvCUR(sv) = cur; |
671 | SvLEN(sv) = len; |
463ee0b2 |
672 | SvIVX(sv) = iv; |
673 | SvNVX(sv) = nv; |
79072805 |
674 | SvMAGIC(sv) = magic; |
675 | SvSTASH(sv) = stash; |
79072805 |
676 | break; |
8990e307 |
677 | case SVt_PVIO: |
678 | SvANY(sv) = new_XPVIO(); |
748a9306 |
679 | Zero(SvANY(sv), 1, XPVIO); |
8990e307 |
680 | SvPVX(sv) = pv; |
681 | SvCUR(sv) = cur; |
682 | SvLEN(sv) = len; |
683 | SvIVX(sv) = iv; |
684 | SvNVX(sv) = nv; |
685 | SvMAGIC(sv) = magic; |
686 | SvSTASH(sv) = stash; |
85e6fe83 |
687 | IoPAGE_LEN(sv) = 60; |
8990e307 |
688 | break; |
689 | } |
690 | SvFLAGS(sv) &= ~SVTYPEMASK; |
691 | SvFLAGS(sv) |= mt; |
79072805 |
692 | return TRUE; |
693 | } |
694 | |
a0d0e21e |
695 | #ifdef DEBUGGING |
79072805 |
696 | char * |
697 | sv_peek(sv) |
698 | register SV *sv; |
699 | { |
700 | char *t = tokenbuf; |
a0d0e21e |
701 | int unref = 0; |
79072805 |
702 | |
703 | retry: |
704 | if (!sv) { |
705 | strcpy(t, "VOID"); |
a0d0e21e |
706 | goto finish; |
79072805 |
707 | } |
708 | else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') { |
709 | strcpy(t, "WILD"); |
a0d0e21e |
710 | goto finish; |
711 | } |
712 | else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) { |
713 | if (sv == &sv_undef) { |
714 | strcpy(t, "SV_UNDEF"); |
715 | if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT| |
716 | SVs_GMG|SVs_SMG|SVs_RMG)) && |
717 | SvREADONLY(sv)) |
718 | goto finish; |
719 | } |
720 | else if (sv == &sv_no) { |
721 | strcpy(t, "SV_NO"); |
722 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
723 | SVs_GMG|SVs_SMG|SVs_RMG)) && |
724 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| |
725 | SVp_POK|SVp_NOK)) && |
726 | SvCUR(sv) == 0 && |
727 | SvNVX(sv) == 0.0) |
728 | goto finish; |
729 | } |
730 | else { |
731 | strcpy(t, "SV_YES"); |
732 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
733 | SVs_GMG|SVs_SMG|SVs_RMG)) && |
734 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| |
735 | SVp_POK|SVp_NOK)) && |
736 | SvCUR(sv) == 1 && |
737 | SvPVX(sv) && *SvPVX(sv) == '1' && |
738 | SvNVX(sv) == 1.0) |
739 | goto finish; |
740 | } |
741 | t += strlen(t); |
742 | *t++ = ':'; |
79072805 |
743 | } |
a0d0e21e |
744 | else if (SvREFCNT(sv) == 0) { |
745 | *t++ = '('; |
746 | unref++; |
79072805 |
747 | } |
a0d0e21e |
748 | if (SvROK(sv)) { |
749 | *t++ = '\\'; |
750 | if (t - tokenbuf + unref > 10) { |
751 | strcpy(tokenbuf + unref + 3,"..."); |
752 | goto finish; |
79072805 |
753 | } |
a0d0e21e |
754 | sv = (SV*)SvRV(sv); |
755 | goto retry; |
756 | } |
757 | switch (SvTYPE(sv)) { |
758 | default: |
759 | strcpy(t,"FREED"); |
760 | goto finish; |
761 | |
762 | case SVt_NULL: |
763 | strcpy(t,"UNDEF"); |
764 | return tokenbuf; |
765 | case SVt_IV: |
766 | strcpy(t,"IV"); |
767 | break; |
768 | case SVt_NV: |
769 | strcpy(t,"NV"); |
770 | break; |
771 | case SVt_RV: |
772 | strcpy(t,"RV"); |
773 | break; |
774 | case SVt_PV: |
775 | strcpy(t,"PV"); |
776 | break; |
777 | case SVt_PVIV: |
778 | strcpy(t,"PVIV"); |
779 | break; |
780 | case SVt_PVNV: |
781 | strcpy(t,"PVNV"); |
782 | break; |
783 | case SVt_PVMG: |
784 | strcpy(t,"PVMG"); |
785 | break; |
786 | case SVt_PVLV: |
787 | strcpy(t,"PVLV"); |
788 | break; |
789 | case SVt_PVAV: |
790 | strcpy(t,"AV"); |
791 | break; |
792 | case SVt_PVHV: |
793 | strcpy(t,"HV"); |
794 | break; |
795 | case SVt_PVCV: |
796 | if (CvGV(sv)) |
797 | sprintf(t, "CV(%s)", GvNAME(CvGV(sv))); |
798 | else |
799 | strcpy(t, "CV()"); |
800 | goto finish; |
801 | case SVt_PVGV: |
802 | strcpy(t,"GV"); |
803 | break; |
804 | case SVt_PVBM: |
805 | strcpy(t,"BM"); |
806 | break; |
807 | case SVt_PVFM: |
808 | strcpy(t,"FM"); |
809 | break; |
810 | case SVt_PVIO: |
811 | strcpy(t,"IO"); |
812 | break; |
79072805 |
813 | } |
814 | t += strlen(t); |
815 | |
a0d0e21e |
816 | if (SvPOKp(sv)) { |
463ee0b2 |
817 | if (!SvPVX(sv)) |
a0d0e21e |
818 | strcpy(t, "(null)"); |
79072805 |
819 | if (SvOOK(sv)) |
2304df62 |
820 | sprintf(t,"(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv)); |
79072805 |
821 | else |
2304df62 |
822 | sprintf(t,"(\"%.127s\")",SvPVX(sv)); |
79072805 |
823 | } |
a0d0e21e |
824 | else if (SvNOKp(sv)) |
463ee0b2 |
825 | sprintf(t,"(%g)",SvNVX(sv)); |
a0d0e21e |
826 | else if (SvIOKp(sv)) |
463ee0b2 |
827 | sprintf(t,"(%ld)",(long)SvIVX(sv)); |
79072805 |
828 | else |
829 | strcpy(t,"()"); |
a0d0e21e |
830 | |
831 | finish: |
832 | if (unref) { |
833 | t += strlen(t); |
834 | while (unref--) |
835 | *t++ = ')'; |
836 | *t = '\0'; |
837 | } |
79072805 |
838 | return tokenbuf; |
839 | } |
a0d0e21e |
840 | #endif |
79072805 |
841 | |
842 | int |
843 | sv_backoff(sv) |
844 | register SV *sv; |
845 | { |
846 | assert(SvOOK(sv)); |
463ee0b2 |
847 | if (SvIVX(sv)) { |
848 | char *s = SvPVX(sv); |
849 | SvLEN(sv) += SvIVX(sv); |
850 | SvPVX(sv) -= SvIVX(sv); |
79072805 |
851 | SvIV_set(sv, 0); |
463ee0b2 |
852 | Move(s, SvPVX(sv), SvCUR(sv)+1, char); |
79072805 |
853 | } |
854 | SvFLAGS(sv) &= ~SVf_OOK; |
a0d0e21e |
855 | return 0; |
79072805 |
856 | } |
857 | |
858 | char * |
859 | sv_grow(sv,newlen) |
860 | register SV *sv; |
861 | #ifndef DOSISH |
862 | register I32 newlen; |
863 | #else |
864 | unsigned long newlen; |
865 | #endif |
866 | { |
867 | register char *s; |
868 | |
869 | #ifdef MSDOS |
870 | if (newlen >= 0x10000) { |
871 | fprintf(stderr, "Allocation too large: %lx\n", newlen); |
872 | my_exit(1); |
873 | } |
874 | #endif /* MSDOS */ |
a0d0e21e |
875 | if (SvROK(sv)) |
876 | sv_unref(sv); |
79072805 |
877 | if (SvTYPE(sv) < SVt_PV) { |
878 | sv_upgrade(sv, SVt_PV); |
463ee0b2 |
879 | s = SvPVX(sv); |
79072805 |
880 | } |
881 | else if (SvOOK(sv)) { /* pv is offset? */ |
882 | sv_backoff(sv); |
463ee0b2 |
883 | s = SvPVX(sv); |
79072805 |
884 | if (newlen > SvLEN(sv)) |
885 | newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */ |
886 | } |
887 | else |
463ee0b2 |
888 | s = SvPVX(sv); |
79072805 |
889 | if (newlen > SvLEN(sv)) { /* need more room? */ |
85e6fe83 |
890 | if (SvLEN(sv) && s) |
79072805 |
891 | Renew(s,newlen,char); |
892 | else |
893 | New(703,s,newlen,char); |
894 | SvPV_set(sv, s); |
895 | SvLEN_set(sv, newlen); |
896 | } |
897 | return s; |
898 | } |
899 | |
900 | void |
901 | sv_setiv(sv,i) |
902 | register SV *sv; |
a0d0e21e |
903 | IV i; |
79072805 |
904 | { |
ed6116ce |
905 | if (SvTHINKFIRST(sv)) { |
8990e307 |
906 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
907 | croak(no_modify); |
908 | if (SvROK(sv)) |
909 | sv_unref(sv); |
910 | } |
463ee0b2 |
911 | switch (SvTYPE(sv)) { |
912 | case SVt_NULL: |
79072805 |
913 | sv_upgrade(sv, SVt_IV); |
463ee0b2 |
914 | break; |
915 | case SVt_NV: |
916 | sv_upgrade(sv, SVt_PVNV); |
917 | break; |
ed6116ce |
918 | case SVt_RV: |
463ee0b2 |
919 | case SVt_PV: |
79072805 |
920 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 |
921 | break; |
a0d0e21e |
922 | |
923 | case SVt_PVGV: |
924 | if (SvFAKE(sv)) { |
925 | sv_unglob(sv); |
926 | break; |
927 | } |
928 | /* FALL THROUGH */ |
929 | case SVt_PVAV: |
930 | case SVt_PVHV: |
931 | case SVt_PVCV: |
932 | case SVt_PVFM: |
933 | case SVt_PVIO: |
934 | croak("Can't coerce %s to integer in %s", sv_reftype(sv,0), |
935 | op_name[op->op_type]); |
463ee0b2 |
936 | } |
937 | SvIVX(sv) = i; |
a0d0e21e |
938 | (void)SvIOK_only(sv); /* validate number */ |
463ee0b2 |
939 | SvTAINT(sv); |
79072805 |
940 | } |
941 | |
942 | void |
943 | sv_setnv(sv,num) |
944 | register SV *sv; |
945 | double num; |
946 | { |
ed6116ce |
947 | if (SvTHINKFIRST(sv)) { |
8990e307 |
948 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
949 | croak(no_modify); |
950 | if (SvROK(sv)) |
951 | sv_unref(sv); |
952 | } |
a0d0e21e |
953 | switch (SvTYPE(sv)) { |
954 | case SVt_NULL: |
955 | case SVt_IV: |
79072805 |
956 | sv_upgrade(sv, SVt_NV); |
a0d0e21e |
957 | break; |
958 | case SVt_NV: |
959 | case SVt_RV: |
960 | case SVt_PV: |
961 | case SVt_PVIV: |
79072805 |
962 | sv_upgrade(sv, SVt_PVNV); |
a0d0e21e |
963 | /* FALL THROUGH */ |
964 | case SVt_PVNV: |
965 | case SVt_PVMG: |
966 | case SVt_PVBM: |
967 | case SVt_PVLV: |
968 | if (SvOOK(sv)) |
969 | (void)SvOOK_off(sv); |
970 | break; |
971 | case SVt_PVGV: |
972 | if (SvFAKE(sv)) { |
973 | sv_unglob(sv); |
974 | break; |
975 | } |
976 | /* FALL THROUGH */ |
977 | case SVt_PVAV: |
978 | case SVt_PVHV: |
979 | case SVt_PVCV: |
980 | case SVt_PVFM: |
981 | case SVt_PVIO: |
982 | croak("Can't coerce %s to number in %s", sv_reftype(sv,0), |
983 | op_name[op->op_type]); |
79072805 |
984 | } |
463ee0b2 |
985 | SvNVX(sv) = num; |
a0d0e21e |
986 | (void)SvNOK_only(sv); /* validate number */ |
463ee0b2 |
987 | SvTAINT(sv); |
79072805 |
988 | } |
989 | |
a0d0e21e |
990 | static void |
991 | not_a_number(sv) |
992 | SV *sv; |
993 | { |
994 | char tmpbuf[64]; |
995 | char *d = tmpbuf; |
996 | char *s; |
997 | int i; |
998 | |
999 | for (s = SvPVX(sv), i = 50; *s && i; s++,i--) { |
1000 | int ch = *s; |
1001 | if (ch & 128 && !isprint(ch)) { |
1002 | *d++ = 'M'; |
1003 | *d++ = '-'; |
1004 | ch &= 127; |
1005 | } |
1006 | if (isprint(ch)) |
1007 | *d++ = ch; |
1008 | else { |
1009 | *d++ = '^'; |
1010 | *d++ = ch ^ 64; |
1011 | } |
1012 | } |
1013 | if (*s) { |
1014 | *d++ = '.'; |
1015 | *d++ = '.'; |
1016 | *d++ = '.'; |
1017 | } |
1018 | *d = '\0'; |
1019 | |
1020 | if (op) |
1021 | warn("Argument \"%s\" isn't numeric for %s", tmpbuf, |
1022 | op_name[op->op_type]); |
1023 | else |
1024 | warn("Argument \"%s\" isn't numeric", tmpbuf); |
1025 | } |
1026 | |
1027 | IV |
79072805 |
1028 | sv_2iv(sv) |
1029 | register SV *sv; |
1030 | { |
1031 | if (!sv) |
1032 | return 0; |
8990e307 |
1033 | if (SvGMAGICAL(sv)) { |
463ee0b2 |
1034 | mg_get(sv); |
1035 | if (SvIOKp(sv)) |
1036 | return SvIVX(sv); |
748a9306 |
1037 | if (SvNOKp(sv)) { |
1038 | if (SvNVX(sv) < 0.0) |
1039 | return I_V(SvNVX(sv)); |
1040 | else |
5d94fbed |
1041 | return (IV) U_V(SvNVX(sv)); |
748a9306 |
1042 | } |
a0d0e21e |
1043 | if (SvPOKp(sv) && SvLEN(sv)) { |
1044 | if (dowarn && !looks_like_number(sv)) |
1045 | not_a_number(sv); |
1046 | return (IV)atol(SvPVX(sv)); |
1047 | } |
16d20bd9 |
1048 | if (!SvROK(sv)) { |
1049 | return 0; |
1050 | } |
463ee0b2 |
1051 | } |
ed6116ce |
1052 | if (SvTHINKFIRST(sv)) { |
a0d0e21e |
1053 | if (SvROK(sv)) { |
1054 | #ifdef OVERLOAD |
1055 | SV* tmpstr; |
1056 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) |
1057 | return SvIV(tmpstr); |
1058 | #endif /* OVERLOAD */ |
1059 | return (IV)SvRV(sv); |
1060 | } |
ed6116ce |
1061 | if (SvREADONLY(sv)) { |
748a9306 |
1062 | if (SvNOKp(sv)) { |
1063 | if (SvNVX(sv) < 0.0) |
1064 | return I_V(SvNVX(sv)); |
1065 | else |
5d94fbed |
1066 | return (IV) U_V(SvNVX(sv)); |
748a9306 |
1067 | } |
1068 | if (SvPOKp(sv) && SvLEN(sv)) { |
a0d0e21e |
1069 | if (dowarn && !looks_like_number(sv)) |
1070 | not_a_number(sv); |
1071 | return (IV)atol(SvPVX(sv)); |
1072 | } |
ed6116ce |
1073 | if (dowarn) |
8990e307 |
1074 | warn(warn_uninit); |
ed6116ce |
1075 | return 0; |
1076 | } |
79072805 |
1077 | } |
463ee0b2 |
1078 | switch (SvTYPE(sv)) { |
463ee0b2 |
1079 | case SVt_NULL: |
79072805 |
1080 | sv_upgrade(sv, SVt_IV); |
463ee0b2 |
1081 | return SvIVX(sv); |
1082 | case SVt_PV: |
79072805 |
1083 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 |
1084 | break; |
1085 | case SVt_NV: |
1086 | sv_upgrade(sv, SVt_PVNV); |
1087 | break; |
1088 | } |
748a9306 |
1089 | if (SvNOKp(sv)) { |
1090 | if (SvNVX(sv) < 0.0) |
1091 | SvIVX(sv) = I_V(SvNVX(sv)); |
1092 | else |
5d94fbed |
1093 | SvIVX(sv) = (IV) U_V(SvNVX(sv)); |
748a9306 |
1094 | } |
1095 | else if (SvPOKp(sv) && SvLEN(sv)) { |
a0d0e21e |
1096 | if (dowarn && !looks_like_number(sv)) |
1097 | not_a_number(sv); |
1098 | SvIVX(sv) = (IV)atol(SvPVX(sv)); |
93a17b20 |
1099 | } |
79072805 |
1100 | else { |
a0d0e21e |
1101 | if (dowarn && !localizing) |
8990e307 |
1102 | warn(warn_uninit); |
a0d0e21e |
1103 | return 0; |
79072805 |
1104 | } |
a0d0e21e |
1105 | (void)SvIOK_on(sv); |
1106 | DEBUG_c(fprintf(stderr,"0x%lx 2iv(%ld)\n", |
1107 | (unsigned long)sv,(long)SvIVX(sv))); |
463ee0b2 |
1108 | return SvIVX(sv); |
79072805 |
1109 | } |
1110 | |
1111 | double |
1112 | sv_2nv(sv) |
1113 | register SV *sv; |
1114 | { |
1115 | if (!sv) |
1116 | return 0.0; |
8990e307 |
1117 | if (SvGMAGICAL(sv)) { |
463ee0b2 |
1118 | mg_get(sv); |
1119 | if (SvNOKp(sv)) |
1120 | return SvNVX(sv); |
a0d0e21e |
1121 | if (SvPOKp(sv) && SvLEN(sv)) { |
748a9306 |
1122 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e |
1123 | not_a_number(sv); |
463ee0b2 |
1124 | return atof(SvPVX(sv)); |
a0d0e21e |
1125 | } |
463ee0b2 |
1126 | if (SvIOKp(sv)) |
1127 | return (double)SvIVX(sv); |
16d20bd9 |
1128 | if (!SvROK(sv)) { |
1129 | return 0; |
1130 | } |
463ee0b2 |
1131 | } |
ed6116ce |
1132 | if (SvTHINKFIRST(sv)) { |
a0d0e21e |
1133 | if (SvROK(sv)) { |
1134 | #ifdef OVERLOAD |
1135 | SV* tmpstr; |
1136 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer))) |
1137 | return SvNV(tmpstr); |
1138 | #endif /* OVERLOAD */ |
1139 | return (double)(unsigned long)SvRV(sv); |
1140 | } |
ed6116ce |
1141 | if (SvREADONLY(sv)) { |
748a9306 |
1142 | if (SvPOKp(sv) && SvLEN(sv)) { |
1143 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e |
1144 | not_a_number(sv); |
ed6116ce |
1145 | return atof(SvPVX(sv)); |
a0d0e21e |
1146 | } |
748a9306 |
1147 | if (SvIOKp(sv)) |
8990e307 |
1148 | return (double)SvIVX(sv); |
ed6116ce |
1149 | if (dowarn) |
8990e307 |
1150 | warn(warn_uninit); |
ed6116ce |
1151 | return 0.0; |
1152 | } |
79072805 |
1153 | } |
1154 | if (SvTYPE(sv) < SVt_NV) { |
463ee0b2 |
1155 | if (SvTYPE(sv) == SVt_IV) |
1156 | sv_upgrade(sv, SVt_PVNV); |
1157 | else |
1158 | sv_upgrade(sv, SVt_NV); |
a0d0e21e |
1159 | DEBUG_c(fprintf(stderr,"0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv))); |
79072805 |
1160 | } |
1161 | else if (SvTYPE(sv) < SVt_PVNV) |
1162 | sv_upgrade(sv, SVt_PVNV); |
748a9306 |
1163 | if (SvIOKp(sv) && |
1164 | (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv))) |
93a17b20 |
1165 | { |
463ee0b2 |
1166 | SvNVX(sv) = (double)SvIVX(sv); |
93a17b20 |
1167 | } |
748a9306 |
1168 | else if (SvPOKp(sv) && SvLEN(sv)) { |
1169 | if (dowarn && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e |
1170 | not_a_number(sv); |
463ee0b2 |
1171 | SvNVX(sv) = atof(SvPVX(sv)); |
93a17b20 |
1172 | } |
79072805 |
1173 | else { |
a0d0e21e |
1174 | if (dowarn && !localizing) |
8990e307 |
1175 | warn(warn_uninit); |
a0d0e21e |
1176 | return 0.0; |
79072805 |
1177 | } |
1178 | SvNOK_on(sv); |
a0d0e21e |
1179 | DEBUG_c(fprintf(stderr,"0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv))); |
463ee0b2 |
1180 | return SvNVX(sv); |
79072805 |
1181 | } |
1182 | |
1183 | char * |
463ee0b2 |
1184 | sv_2pv(sv, lp) |
79072805 |
1185 | register SV *sv; |
463ee0b2 |
1186 | STRLEN *lp; |
79072805 |
1187 | { |
1188 | register char *s; |
1189 | int olderrno; |
1190 | |
463ee0b2 |
1191 | if (!sv) { |
1192 | *lp = 0; |
1193 | return ""; |
1194 | } |
8990e307 |
1195 | if (SvGMAGICAL(sv)) { |
463ee0b2 |
1196 | mg_get(sv); |
1197 | if (SvPOKp(sv)) { |
1198 | *lp = SvCUR(sv); |
1199 | return SvPVX(sv); |
1200 | } |
1201 | if (SvIOKp(sv)) { |
a0d0e21e |
1202 | (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv)); |
1203 | goto tokensave; |
463ee0b2 |
1204 | } |
1205 | if (SvNOKp(sv)) { |
a0d0e21e |
1206 | Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf); |
1207 | goto tokensave; |
463ee0b2 |
1208 | } |
16d20bd9 |
1209 | if (!SvROK(sv)) { |
1210 | *lp = 0; |
1211 | return ""; |
1212 | } |
463ee0b2 |
1213 | } |
ed6116ce |
1214 | if (SvTHINKFIRST(sv)) { |
1215 | if (SvROK(sv)) { |
a0d0e21e |
1216 | #ifdef OVERLOAD |
1217 | SV* tmpstr; |
1218 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string))) |
1219 | return SvPV(tmpstr,*lp); |
1220 | #endif /* OVERLOAD */ |
ed6116ce |
1221 | sv = (SV*)SvRV(sv); |
1222 | if (!sv) |
1223 | s = "NULLREF"; |
1224 | else { |
1225 | switch (SvTYPE(sv)) { |
1226 | case SVt_NULL: |
1227 | case SVt_IV: |
1228 | case SVt_NV: |
1229 | case SVt_RV: |
1230 | case SVt_PV: |
1231 | case SVt_PVIV: |
1232 | case SVt_PVNV: |
1233 | case SVt_PVBM: |
1234 | case SVt_PVMG: s = "SCALAR"; break; |
1235 | case SVt_PVLV: s = "LVALUE"; break; |
1236 | case SVt_PVAV: s = "ARRAY"; break; |
1237 | case SVt_PVHV: s = "HASH"; break; |
1238 | case SVt_PVCV: s = "CODE"; break; |
1239 | case SVt_PVGV: s = "GLOB"; break; |
1240 | case SVt_PVFM: s = "FORMATLINE"; break; |
8990e307 |
1241 | case SVt_PVIO: s = "FILEHANDLE"; break; |
ed6116ce |
1242 | default: s = "UNKNOWN"; break; |
1243 | } |
1244 | if (SvOBJECT(sv)) |
1245 | sprintf(tokenbuf, "%s=%s(0x%lx)", |
1246 | HvNAME(SvSTASH(sv)), s, (unsigned long)sv); |
1247 | else |
1248 | sprintf(tokenbuf, "%s(0x%lx)", s, (unsigned long)sv); |
a0d0e21e |
1249 | goto tokensaveref; |
463ee0b2 |
1250 | } |
ed6116ce |
1251 | *lp = strlen(s); |
1252 | return s; |
79072805 |
1253 | } |
ed6116ce |
1254 | if (SvREADONLY(sv)) { |
748a9306 |
1255 | if (SvNOKp(sv)) { |
a0d0e21e |
1256 | Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf); |
1257 | goto tokensave; |
ed6116ce |
1258 | } |
8bb9dbe4 |
1259 | if (SvIOKp(sv)) { |
1260 | (void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv)); |
1261 | goto tokensave; |
1262 | } |
ed6116ce |
1263 | if (dowarn) |
8990e307 |
1264 | warn(warn_uninit); |
ed6116ce |
1265 | *lp = 0; |
1266 | return ""; |
79072805 |
1267 | } |
79072805 |
1268 | } |
1269 | if (!SvUPGRADE(sv, SVt_PV)) |
1270 | return 0; |
748a9306 |
1271 | if (SvNOKp(sv)) { |
79072805 |
1272 | if (SvTYPE(sv) < SVt_PVNV) |
1273 | sv_upgrade(sv, SVt_PVNV); |
1274 | SvGROW(sv, 28); |
463ee0b2 |
1275 | s = SvPVX(sv); |
79072805 |
1276 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
79072805 |
1277 | #ifdef apollo |
463ee0b2 |
1278 | if (SvNVX(sv) == 0.0) |
79072805 |
1279 | (void)strcpy(s,"0"); |
1280 | else |
1281 | #endif /*apollo*/ |
a0d0e21e |
1282 | Gconvert(SvNVX(sv), DBL_DIG, 0, s); |
79072805 |
1283 | errno = olderrno; |
a0d0e21e |
1284 | #ifdef FIXNEGATIVEZERO |
1285 | if (*s == '-' && s[1] == '0' && !s[2]) |
1286 | strcpy(s,"0"); |
1287 | #endif |
79072805 |
1288 | while (*s) s++; |
1289 | #ifdef hcx |
1290 | if (s[-1] == '.') |
1291 | s--; |
1292 | #endif |
1293 | } |
748a9306 |
1294 | else if (SvIOKp(sv)) { |
79072805 |
1295 | if (SvTYPE(sv) < SVt_PVIV) |
1296 | sv_upgrade(sv, SVt_PVIV); |
1297 | SvGROW(sv, 11); |
463ee0b2 |
1298 | s = SvPVX(sv); |
79072805 |
1299 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
a0d0e21e |
1300 | (void)sprintf(s,"%ld",(long)SvIVX(sv)); |
79072805 |
1301 | errno = olderrno; |
1302 | while (*s) s++; |
1303 | } |
1304 | else { |
a0d0e21e |
1305 | if (dowarn && !localizing) |
8990e307 |
1306 | warn(warn_uninit); |
a0d0e21e |
1307 | *lp = 0; |
1308 | return ""; |
79072805 |
1309 | } |
1310 | *s = '\0'; |
463ee0b2 |
1311 | *lp = s - SvPVX(sv); |
1312 | SvCUR_set(sv, *lp); |
79072805 |
1313 | SvPOK_on(sv); |
a0d0e21e |
1314 | DEBUG_c(fprintf(stderr,"0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv))); |
463ee0b2 |
1315 | return SvPVX(sv); |
a0d0e21e |
1316 | |
1317 | tokensave: |
1318 | if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */ |
1319 | /* Sneaky stuff here */ |
1320 | |
1321 | tokensaveref: |
1322 | sv = sv_newmortal(); |
1323 | *lp = strlen(tokenbuf); |
1324 | sv_setpvn(sv, tokenbuf, *lp); |
1325 | return SvPVX(sv); |
1326 | } |
1327 | else { |
1328 | STRLEN len; |
1329 | |
1330 | #ifdef FIXNEGATIVEZERO |
1331 | if (*tokenbuf == '-' && tokenbuf[1] == '0' && !tokenbuf[2]) |
1332 | strcpy(tokenbuf,"0"); |
1333 | #endif |
1334 | (void)SvUPGRADE(sv, SVt_PV); |
1335 | len = *lp = strlen(tokenbuf); |
1336 | s = SvGROW(sv, len + 1); |
1337 | SvCUR_set(sv, len); |
1338 | (void)strcpy(s, tokenbuf); |
1339 | /* NO SvPOK_on(sv) here! */ |
1340 | return s; |
1341 | } |
463ee0b2 |
1342 | } |
1343 | |
1344 | /* This function is only called on magical items */ |
1345 | bool |
1346 | sv_2bool(sv) |
1347 | register SV *sv; |
1348 | { |
8990e307 |
1349 | if (SvGMAGICAL(sv)) |
463ee0b2 |
1350 | mg_get(sv); |
1351 | |
a0d0e21e |
1352 | if (!SvOK(sv)) |
1353 | return 0; |
1354 | if (SvROK(sv)) { |
1355 | #ifdef OVERLOAD |
1356 | { |
1357 | SV* tmpsv; |
1358 | if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_))) |
1359 | return SvTRUE(tmpsv); |
1360 | } |
1361 | #endif /* OVERLOAD */ |
1362 | return SvRV(sv) != 0; |
1363 | } |
463ee0b2 |
1364 | if (SvPOKp(sv)) { |
1365 | register XPV* Xpv; |
1366 | if ((Xpv = (XPV*)SvANY(sv)) && |
1367 | (*Xpv->xpv_pv > '0' || |
1368 | Xpv->xpv_cur > 1 || |
1369 | (Xpv->xpv_cur && *Xpv->xpv_pv != '0'))) |
1370 | return 1; |
1371 | else |
1372 | return 0; |
1373 | } |
1374 | else { |
1375 | if (SvIOKp(sv)) |
1376 | return SvIVX(sv) != 0; |
1377 | else { |
1378 | if (SvNOKp(sv)) |
1379 | return SvNVX(sv) != 0.0; |
1380 | else |
1381 | return FALSE; |
1382 | } |
1383 | } |
79072805 |
1384 | } |
1385 | |
1386 | /* Note: sv_setsv() should not be called with a source string that needs |
463ee0b2 |
1387 | * to be reused, since it may destroy the source string if it is marked |
79072805 |
1388 | * as temporary. |
1389 | */ |
1390 | |
1391 | void |
1392 | sv_setsv(dstr,sstr) |
1393 | SV *dstr; |
1394 | register SV *sstr; |
1395 | { |
8990e307 |
1396 | register U32 sflags; |
1397 | register int dtype; |
1398 | register int stype; |
463ee0b2 |
1399 | |
79072805 |
1400 | if (sstr == dstr) |
1401 | return; |
ed6116ce |
1402 | if (SvTHINKFIRST(dstr)) { |
8990e307 |
1403 | if (SvREADONLY(dstr) && curcop != &compiling) |
ed6116ce |
1404 | croak(no_modify); |
1405 | if (SvROK(dstr)) |
1406 | sv_unref(dstr); |
1407 | } |
79072805 |
1408 | if (!sstr) |
1409 | sstr = &sv_undef; |
8990e307 |
1410 | stype = SvTYPE(sstr); |
1411 | dtype = SvTYPE(dstr); |
79072805 |
1412 | |
8e07c86e |
1413 | if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) { |
1414 | sv_unglob(dstr); /* so fake GLOB won't perpetuate */ |
1415 | SvPOK_only(dstr); |
1416 | dtype = SvTYPE(dstr); |
1417 | } |
1418 | |
a0d0e21e |
1419 | #ifdef OVERLOAD |
1420 | SvAMAGIC_off(dstr); |
1421 | #endif /* OVERLOAD */ |
463ee0b2 |
1422 | /* There's a lot of redundancy below but we're going for speed here */ |
79072805 |
1423 | |
8990e307 |
1424 | switch (stype) { |
79072805 |
1425 | case SVt_NULL: |
a0d0e21e |
1426 | (void)SvOK_off(dstr); |
79072805 |
1427 | return; |
463ee0b2 |
1428 | case SVt_IV: |
8990e307 |
1429 | if (dtype <= SVt_PV) { |
1430 | if (dtype < SVt_IV) |
1431 | sv_upgrade(dstr, SVt_IV); |
8990e307 |
1432 | else if (dtype == SVt_NV) |
1433 | sv_upgrade(dstr, SVt_PVNV); |
a0d0e21e |
1434 | else if (dtype <= SVt_PV) |
1435 | sv_upgrade(dstr, SVt_PVIV); |
8990e307 |
1436 | } |
463ee0b2 |
1437 | break; |
1438 | case SVt_NV: |
8990e307 |
1439 | if (dtype <= SVt_PVIV) { |
1440 | if (dtype < SVt_NV) |
1441 | sv_upgrade(dstr, SVt_NV); |
8990e307 |
1442 | else if (dtype == SVt_PVIV) |
1443 | sv_upgrade(dstr, SVt_PVNV); |
a0d0e21e |
1444 | else if (dtype <= SVt_PV) |
1445 | sv_upgrade(dstr, SVt_PVNV); |
8990e307 |
1446 | } |
463ee0b2 |
1447 | break; |
ed6116ce |
1448 | case SVt_RV: |
8990e307 |
1449 | if (dtype < SVt_RV) |
ed6116ce |
1450 | sv_upgrade(dstr, SVt_RV); |
ed6116ce |
1451 | break; |
463ee0b2 |
1452 | case SVt_PV: |
8990e307 |
1453 | if (dtype < SVt_PV) |
463ee0b2 |
1454 | sv_upgrade(dstr, SVt_PV); |
463ee0b2 |
1455 | break; |
1456 | case SVt_PVIV: |
8990e307 |
1457 | if (dtype < SVt_PVIV) |
463ee0b2 |
1458 | sv_upgrade(dstr, SVt_PVIV); |
463ee0b2 |
1459 | break; |
1460 | case SVt_PVNV: |
8990e307 |
1461 | if (dtype < SVt_PVNV) |
463ee0b2 |
1462 | sv_upgrade(dstr, SVt_PVNV); |
463ee0b2 |
1463 | break; |
79072805 |
1464 | case SVt_PVGV: |
8990e307 |
1465 | if (dtype <= SVt_PVGV) { |
a0d0e21e |
1466 | if (dtype < SVt_PVGV) { |
1467 | char *name = GvNAME(sstr); |
1468 | STRLEN len = GvNAMELEN(sstr); |
463ee0b2 |
1469 | sv_upgrade(dstr, SVt_PVGV); |
a0d0e21e |
1470 | sv_magic(dstr, dstr, '*', name, len); |
1471 | GvSTASH(dstr) = GvSTASH(sstr); |
1472 | GvNAME(dstr) = savepvn(name, len); |
1473 | GvNAMELEN(dstr) = len; |
1474 | SvFAKE_on(dstr); /* can coerce to non-glob */ |
1475 | } |
1476 | (void)SvOK_off(dstr); |
79072805 |
1477 | if (!GvAV(sstr)) |
1478 | gv_AVadd(sstr); |
1479 | if (!GvHV(sstr)) |
1480 | gv_HVadd(sstr); |
1481 | if (!GvIO(sstr)) |
a0d0e21e |
1482 | gv_IOadd(sstr); |
79072805 |
1483 | if (GvGP(dstr)) |
1484 | gp_free(dstr); |
1485 | GvGP(dstr) = gp_ref(GvGP(sstr)); |
8990e307 |
1486 | SvTAINT(dstr); |
a0d0e21e |
1487 | GvFLAGS(dstr) &= ~GVf_INTRO; /* one-shot flag */ |
748a9306 |
1488 | SvMULTI_on(dstr); |
79072805 |
1489 | return; |
1490 | } |
1491 | /* FALL THROUGH */ |
1492 | |
1493 | default: |
8990e307 |
1494 | if (dtype < stype) |
1495 | sv_upgrade(dstr, stype); |
1496 | if (SvGMAGICAL(sstr)) |
79072805 |
1497 | mg_get(sstr); |
79072805 |
1498 | } |
1499 | |
8990e307 |
1500 | sflags = SvFLAGS(sstr); |
1501 | |
1502 | if (sflags & SVf_ROK) { |
1503 | if (dtype >= SVt_PV) { |
1504 | if (dtype == SVt_PVGV) { |
1505 | SV *sref = SvREFCNT_inc(SvRV(sstr)); |
1506 | SV *dref = 0; |
a0d0e21e |
1507 | int intro = GvFLAGS(dstr) & GVf_INTRO; |
1508 | |
1509 | if (intro) { |
1510 | GP *gp; |
1511 | GvGP(dstr)->gp_refcnt--; |
1512 | Newz(602,gp, 1, GP); |
1513 | GvGP(dstr) = gp; |
1514 | GvREFCNT(dstr) = 1; |
1515 | GvSV(dstr) = NEWSV(72,0); |
1516 | GvLINE(dstr) = curcop->cop_line; |
1517 | GvEGV(dstr) = dstr; |
1518 | GvFLAGS(dstr) &= ~GVf_INTRO; /* one-shot flag */ |
1519 | } |
1520 | SvMULTI_on(dstr); |
8990e307 |
1521 | switch (SvTYPE(sref)) { |
1522 | case SVt_PVAV: |
a0d0e21e |
1523 | if (intro) |
1524 | SAVESPTR(GvAV(dstr)); |
1525 | else |
1526 | dref = (SV*)GvAV(dstr); |
8990e307 |
1527 | GvAV(dstr) = (AV*)sref; |
1528 | break; |
1529 | case SVt_PVHV: |
a0d0e21e |
1530 | if (intro) |
1531 | SAVESPTR(GvHV(dstr)); |
1532 | else |
1533 | dref = (SV*)GvHV(dstr); |
8990e307 |
1534 | GvHV(dstr) = (HV*)sref; |
1535 | break; |
1536 | case SVt_PVCV: |
a0d0e21e |
1537 | if (intro) |
1538 | SAVESPTR(GvCV(dstr)); |
748a9306 |
1539 | else { |
1540 | CV* cv = GvCV(dstr); |
1541 | dref = (SV*)cv; |
1542 | if (dowarn && cv && sref != dref && |
1543 | !GvCVGEN((GV*)dstr) && |
1544 | (CvROOT(cv) || CvXSUB(cv)) ) |
1545 | warn("Subroutine %s redefined", GvENAME((GV*)dstr)); |
1546 | } |
a0d0e21e |
1547 | GvFLAGS(dstr) |= GVf_IMPORTED; |
8990e307 |
1548 | GvCV(dstr) = (CV*)sref; |
1549 | break; |
1550 | default: |
a0d0e21e |
1551 | if (intro) |
1552 | SAVESPTR(GvSV(dstr)); |
1553 | else |
1554 | dref = (SV*)GvSV(dstr); |
8990e307 |
1555 | GvSV(dstr) = sref; |
1556 | break; |
1557 | } |
1558 | if (dref) |
1559 | SvREFCNT_dec(dref); |
a0d0e21e |
1560 | if (intro) |
1561 | SAVEFREESV(sref); |
8990e307 |
1562 | SvTAINT(dstr); |
1563 | return; |
1564 | } |
a0d0e21e |
1565 | if (SvPVX(dstr)) { |
8990e307 |
1566 | Safefree(SvPVX(dstr)); |
a0d0e21e |
1567 | SvLEN(dstr)=SvCUR(dstr)=0; |
1568 | } |
8990e307 |
1569 | } |
a0d0e21e |
1570 | (void)SvOK_off(dstr); |
8990e307 |
1571 | SvRV(dstr) = SvREFCNT_inc(SvRV(sstr)); |
ed6116ce |
1572 | SvROK_on(dstr); |
8990e307 |
1573 | if (sflags & SVp_NOK) { |
ed6116ce |
1574 | SvNOK_on(dstr); |
1575 | SvNVX(dstr) = SvNVX(sstr); |
1576 | } |
8990e307 |
1577 | if (sflags & SVp_IOK) { |
a0d0e21e |
1578 | (void)SvIOK_on(dstr); |
ed6116ce |
1579 | SvIVX(dstr) = SvIVX(sstr); |
1580 | } |
a0d0e21e |
1581 | #ifdef OVERLOAD |
1582 | if (SvAMAGIC(sstr)) { |
1583 | SvAMAGIC_on(dstr); |
1584 | } |
1585 | #endif /* OVERLOAD */ |
ed6116ce |
1586 | } |
8990e307 |
1587 | else if (sflags & SVp_POK) { |
79072805 |
1588 | |
1589 | /* |
1590 | * Check to see if we can just swipe the string. If so, it's a |
1591 | * possible small lose on short strings, but a big win on long ones. |
463ee0b2 |
1592 | * It might even be a win on short strings if SvPVX(dstr) |
1593 | * has to be allocated and SvPVX(sstr) has to be freed. |
79072805 |
1594 | */ |
1595 | |
1596 | if (SvTEMP(sstr)) { /* slated for free anyway? */ |
adbc6bb1 |
1597 | if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */ |
a0d0e21e |
1598 | (void)SvOOK_off(dstr); |
463ee0b2 |
1599 | Safefree(SvPVX(dstr)); |
79072805 |
1600 | } |
463ee0b2 |
1601 | SvPV_set(dstr, SvPVX(sstr)); |
79072805 |
1602 | SvLEN_set(dstr, SvLEN(sstr)); |
1603 | SvCUR_set(dstr, SvCUR(sstr)); |
a0d0e21e |
1604 | (void)SvPOK_only(dstr); |
79072805 |
1605 | SvTEMP_off(dstr); |
1606 | SvPV_set(sstr, Nullch); |
1607 | SvLEN_set(sstr, 0); |
1608 | SvPOK_off(sstr); /* wipe out any weird flags */ |
463ee0b2 |
1609 | SvPVX(sstr) = 0; /* so sstr frees uneventfully */ |
79072805 |
1610 | } |
1611 | else { /* have to copy actual string */ |
8990e307 |
1612 | STRLEN len = SvCUR(sstr); |
1613 | |
1614 | SvGROW(dstr, len + 1); /* inlined from sv_setpvn */ |
1615 | Move(SvPVX(sstr),SvPVX(dstr),len,char); |
1616 | SvCUR_set(dstr, len); |
1617 | *SvEND(dstr) = '\0'; |
a0d0e21e |
1618 | (void)SvPOK_only(dstr); |
79072805 |
1619 | } |
1620 | /*SUPPRESS 560*/ |
8990e307 |
1621 | if (sflags & SVp_NOK) { |
79072805 |
1622 | SvNOK_on(dstr); |
463ee0b2 |
1623 | SvNVX(dstr) = SvNVX(sstr); |
79072805 |
1624 | } |
8990e307 |
1625 | if (sflags & SVp_IOK) { |
a0d0e21e |
1626 | (void)SvIOK_on(dstr); |
463ee0b2 |
1627 | SvIVX(dstr) = SvIVX(sstr); |
79072805 |
1628 | } |
1629 | } |
8990e307 |
1630 | else if (sflags & SVp_NOK) { |
463ee0b2 |
1631 | SvNVX(dstr) = SvNVX(sstr); |
a0d0e21e |
1632 | (void)SvNOK_only(dstr); |
79072805 |
1633 | if (SvIOK(sstr)) { |
a0d0e21e |
1634 | (void)SvIOK_on(dstr); |
463ee0b2 |
1635 | SvIVX(dstr) = SvIVX(sstr); |
79072805 |
1636 | } |
1637 | } |
8990e307 |
1638 | else if (sflags & SVp_IOK) { |
a0d0e21e |
1639 | (void)SvIOK_only(dstr); |
463ee0b2 |
1640 | SvIVX(dstr) = SvIVX(sstr); |
79072805 |
1641 | } |
1642 | else { |
a0d0e21e |
1643 | (void)SvOK_off(dstr); |
1644 | } |
463ee0b2 |
1645 | SvTAINT(dstr); |
79072805 |
1646 | } |
1647 | |
1648 | void |
1649 | sv_setpvn(sv,ptr,len) |
1650 | register SV *sv; |
1651 | register char *ptr; |
1652 | register STRLEN len; |
1653 | { |
748a9306 |
1654 | assert(len >= 0); |
ed6116ce |
1655 | if (SvTHINKFIRST(sv)) { |
8990e307 |
1656 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
1657 | croak(no_modify); |
1658 | if (SvROK(sv)) |
1659 | sv_unref(sv); |
1660 | } |
463ee0b2 |
1661 | if (!ptr) { |
a0d0e21e |
1662 | (void)SvOK_off(sv); |
463ee0b2 |
1663 | return; |
1664 | } |
79072805 |
1665 | if (!SvUPGRADE(sv, SVt_PV)) |
1666 | return; |
1667 | SvGROW(sv, len + 1); |
a0d0e21e |
1668 | Move(ptr,SvPVX(sv),len,char); |
79072805 |
1669 | SvCUR_set(sv, len); |
1670 | *SvEND(sv) = '\0'; |
a0d0e21e |
1671 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 |
1672 | SvTAINT(sv); |
79072805 |
1673 | } |
1674 | |
1675 | void |
1676 | sv_setpv(sv,ptr) |
1677 | register SV *sv; |
1678 | register char *ptr; |
1679 | { |
1680 | register STRLEN len; |
1681 | |
ed6116ce |
1682 | if (SvTHINKFIRST(sv)) { |
8990e307 |
1683 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
1684 | croak(no_modify); |
1685 | if (SvROK(sv)) |
1686 | sv_unref(sv); |
1687 | } |
463ee0b2 |
1688 | if (!ptr) { |
a0d0e21e |
1689 | (void)SvOK_off(sv); |
463ee0b2 |
1690 | return; |
1691 | } |
79072805 |
1692 | len = strlen(ptr); |
1693 | if (!SvUPGRADE(sv, SVt_PV)) |
1694 | return; |
1695 | SvGROW(sv, len + 1); |
463ee0b2 |
1696 | Move(ptr,SvPVX(sv),len+1,char); |
79072805 |
1697 | SvCUR_set(sv, len); |
a0d0e21e |
1698 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 |
1699 | SvTAINT(sv); |
1700 | } |
1701 | |
1702 | void |
1703 | sv_usepvn(sv,ptr,len) |
1704 | register SV *sv; |
1705 | register char *ptr; |
1706 | register STRLEN len; |
1707 | { |
ed6116ce |
1708 | if (SvTHINKFIRST(sv)) { |
8990e307 |
1709 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
1710 | croak(no_modify); |
1711 | if (SvROK(sv)) |
1712 | sv_unref(sv); |
1713 | } |
463ee0b2 |
1714 | if (!SvUPGRADE(sv, SVt_PV)) |
1715 | return; |
1716 | if (!ptr) { |
a0d0e21e |
1717 | (void)SvOK_off(sv); |
463ee0b2 |
1718 | return; |
1719 | } |
1720 | if (SvPVX(sv)) |
1721 | Safefree(SvPVX(sv)); |
1722 | Renew(ptr, len+1, char); |
1723 | SvPVX(sv) = ptr; |
1724 | SvCUR_set(sv, len); |
1725 | SvLEN_set(sv, len+1); |
1726 | *SvEND(sv) = '\0'; |
a0d0e21e |
1727 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 |
1728 | SvTAINT(sv); |
79072805 |
1729 | } |
1730 | |
1731 | void |
1732 | sv_chop(sv,ptr) /* like set but assuming ptr is in sv */ |
1733 | register SV *sv; |
1734 | register char *ptr; |
1735 | { |
1736 | register STRLEN delta; |
1737 | |
a0d0e21e |
1738 | if (!ptr || !SvPOKp(sv)) |
79072805 |
1739 | return; |
ed6116ce |
1740 | if (SvTHINKFIRST(sv)) { |
8990e307 |
1741 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
1742 | croak(no_modify); |
1743 | if (SvROK(sv)) |
1744 | sv_unref(sv); |
1745 | } |
79072805 |
1746 | if (SvTYPE(sv) < SVt_PVIV) |
1747 | sv_upgrade(sv,SVt_PVIV); |
1748 | |
1749 | if (!SvOOK(sv)) { |
463ee0b2 |
1750 | SvIVX(sv) = 0; |
79072805 |
1751 | SvFLAGS(sv) |= SVf_OOK; |
1752 | } |
8990e307 |
1753 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK); |
463ee0b2 |
1754 | delta = ptr - SvPVX(sv); |
79072805 |
1755 | SvLEN(sv) -= delta; |
1756 | SvCUR(sv) -= delta; |
463ee0b2 |
1757 | SvPVX(sv) += delta; |
1758 | SvIVX(sv) += delta; |
79072805 |
1759 | } |
1760 | |
1761 | void |
1762 | sv_catpvn(sv,ptr,len) |
1763 | register SV *sv; |
1764 | register char *ptr; |
1765 | register STRLEN len; |
1766 | { |
463ee0b2 |
1767 | STRLEN tlen; |
748a9306 |
1768 | char *junk; |
a0d0e21e |
1769 | |
748a9306 |
1770 | junk = SvPV_force(sv, tlen); |
463ee0b2 |
1771 | SvGROW(sv, tlen + len + 1); |
1772 | Move(ptr,SvPVX(sv)+tlen,len,char); |
79072805 |
1773 | SvCUR(sv) += len; |
1774 | *SvEND(sv) = '\0'; |
a0d0e21e |
1775 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 |
1776 | SvTAINT(sv); |
79072805 |
1777 | } |
1778 | |
1779 | void |
1780 | sv_catsv(dstr,sstr) |
1781 | SV *dstr; |
1782 | register SV *sstr; |
1783 | { |
1784 | char *s; |
463ee0b2 |
1785 | STRLEN len; |
79072805 |
1786 | if (!sstr) |
1787 | return; |
463ee0b2 |
1788 | if (s = SvPV(sstr, len)) |
1789 | sv_catpvn(dstr,s,len); |
79072805 |
1790 | } |
1791 | |
1792 | void |
1793 | sv_catpv(sv,ptr) |
1794 | register SV *sv; |
1795 | register char *ptr; |
1796 | { |
1797 | register STRLEN len; |
463ee0b2 |
1798 | STRLEN tlen; |
748a9306 |
1799 | char *junk; |
79072805 |
1800 | |
79072805 |
1801 | if (!ptr) |
1802 | return; |
748a9306 |
1803 | junk = SvPV_force(sv, tlen); |
79072805 |
1804 | len = strlen(ptr); |
463ee0b2 |
1805 | SvGROW(sv, tlen + len + 1); |
1806 | Move(ptr,SvPVX(sv)+tlen,len+1,char); |
79072805 |
1807 | SvCUR(sv) += len; |
a0d0e21e |
1808 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 |
1809 | SvTAINT(sv); |
79072805 |
1810 | } |
1811 | |
79072805 |
1812 | SV * |
1813 | #ifdef LEAKTEST |
1814 | newSV(x,len) |
1815 | I32 x; |
1816 | #else |
1817 | newSV(len) |
1818 | #endif |
1819 | STRLEN len; |
1820 | { |
1821 | register SV *sv; |
1822 | |
463ee0b2 |
1823 | new_SV(); |
8990e307 |
1824 | SvANY(sv) = 0; |
1825 | SvREFCNT(sv) = 1; |
1826 | SvFLAGS(sv) = 0; |
79072805 |
1827 | if (len) { |
1828 | sv_upgrade(sv, SVt_PV); |
1829 | SvGROW(sv, len + 1); |
1830 | } |
1831 | return sv; |
1832 | } |
1833 | |
1834 | void |
1835 | sv_magic(sv, obj, how, name, namlen) |
1836 | register SV *sv; |
1837 | SV *obj; |
a0d0e21e |
1838 | int how; |
79072805 |
1839 | char *name; |
463ee0b2 |
1840 | I32 namlen; |
79072805 |
1841 | { |
1842 | MAGIC* mg; |
1843 | |
a0d0e21e |
1844 | if (SvREADONLY(sv) && curcop != &compiling && !strchr("gB", how)) |
1845 | croak(no_modify); |
463ee0b2 |
1846 | if (SvMAGICAL(sv)) { |
748a9306 |
1847 | if (SvMAGIC(sv) && (mg = mg_find(sv, how))) { |
1848 | if (how == 't') |
1849 | mg->mg_len |= 1; |
463ee0b2 |
1850 | return; |
748a9306 |
1851 | } |
463ee0b2 |
1852 | } |
1853 | else { |
1854 | if (!SvUPGRADE(sv, SVt_PVMG)) |
1855 | return; |
463ee0b2 |
1856 | } |
79072805 |
1857 | Newz(702,mg, 1, MAGIC); |
1858 | mg->mg_moremagic = SvMAGIC(sv); |
463ee0b2 |
1859 | |
79072805 |
1860 | SvMAGIC(sv) = mg; |
748a9306 |
1861 | if (!obj || obj == sv || how == '#') |
8990e307 |
1862 | mg->mg_obj = obj; |
85e6fe83 |
1863 | else { |
8990e307 |
1864 | mg->mg_obj = SvREFCNT_inc(obj); |
85e6fe83 |
1865 | mg->mg_flags |= MGf_REFCOUNTED; |
1866 | } |
79072805 |
1867 | mg->mg_type = how; |
463ee0b2 |
1868 | mg->mg_len = namlen; |
1869 | if (name && namlen >= 0) |
a0d0e21e |
1870 | mg->mg_ptr = savepvn(name, namlen); |
79072805 |
1871 | switch (how) { |
1872 | case 0: |
1873 | mg->mg_virtual = &vtbl_sv; |
1874 | break; |
a0d0e21e |
1875 | #ifdef OVERLOAD |
1876 | case 'A': |
1877 | mg->mg_virtual = &vtbl_amagic; |
1878 | break; |
1879 | case 'a': |
1880 | mg->mg_virtual = &vtbl_amagicelem; |
1881 | break; |
1882 | case 'c': |
1883 | mg->mg_virtual = 0; |
1884 | break; |
1885 | #endif /* OVERLOAD */ |
79072805 |
1886 | case 'B': |
1887 | mg->mg_virtual = &vtbl_bm; |
1888 | break; |
79072805 |
1889 | case 'E': |
1890 | mg->mg_virtual = &vtbl_env; |
1891 | break; |
1892 | case 'e': |
1893 | mg->mg_virtual = &vtbl_envelem; |
1894 | break; |
93a17b20 |
1895 | case 'g': |
1896 | mg->mg_virtual = &vtbl_mglob; |
1897 | break; |
463ee0b2 |
1898 | case 'I': |
1899 | mg->mg_virtual = &vtbl_isa; |
1900 | break; |
1901 | case 'i': |
1902 | mg->mg_virtual = &vtbl_isaelem; |
1903 | break; |
79072805 |
1904 | case 'L': |
a0d0e21e |
1905 | SvRMAGICAL_on(sv); |
93a17b20 |
1906 | mg->mg_virtual = 0; |
1907 | break; |
1908 | case 'l': |
79072805 |
1909 | mg->mg_virtual = &vtbl_dbline; |
1910 | break; |
463ee0b2 |
1911 | case 'P': |
1912 | mg->mg_virtual = &vtbl_pack; |
1913 | break; |
1914 | case 'p': |
a0d0e21e |
1915 | case 'q': |
463ee0b2 |
1916 | mg->mg_virtual = &vtbl_packelem; |
1917 | break; |
79072805 |
1918 | case 'S': |
1919 | mg->mg_virtual = &vtbl_sig; |
1920 | break; |
1921 | case 's': |
1922 | mg->mg_virtual = &vtbl_sigelem; |
1923 | break; |
463ee0b2 |
1924 | case 't': |
1925 | mg->mg_virtual = &vtbl_taint; |
748a9306 |
1926 | mg->mg_len = 1; |
463ee0b2 |
1927 | break; |
79072805 |
1928 | case 'U': |
1929 | mg->mg_virtual = &vtbl_uvar; |
1930 | break; |
1931 | case 'v': |
1932 | mg->mg_virtual = &vtbl_vec; |
1933 | break; |
1934 | case 'x': |
1935 | mg->mg_virtual = &vtbl_substr; |
1936 | break; |
1937 | case '*': |
1938 | mg->mg_virtual = &vtbl_glob; |
1939 | break; |
1940 | case '#': |
1941 | mg->mg_virtual = &vtbl_arylen; |
1942 | break; |
a0d0e21e |
1943 | case '.': |
1944 | mg->mg_virtual = &vtbl_pos; |
1945 | break; |
1946 | case '~': /* reserved for extensions but multiple extensions may clash */ |
1947 | break; |
79072805 |
1948 | default: |
463ee0b2 |
1949 | croak("Don't know how to handle magic of type '%c'", how); |
1950 | } |
8990e307 |
1951 | mg_magical(sv); |
1952 | if (SvGMAGICAL(sv)) |
1953 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); |
463ee0b2 |
1954 | } |
1955 | |
1956 | int |
1957 | sv_unmagic(sv, type) |
1958 | SV* sv; |
a0d0e21e |
1959 | int type; |
463ee0b2 |
1960 | { |
1961 | MAGIC* mg; |
1962 | MAGIC** mgp; |
1963 | if (!SvMAGICAL(sv)) |
1964 | return 0; |
1965 | mgp = &SvMAGIC(sv); |
1966 | for (mg = *mgp; mg; mg = *mgp) { |
1967 | if (mg->mg_type == type) { |
1968 | MGVTBL* vtbl = mg->mg_virtual; |
1969 | *mgp = mg->mg_moremagic; |
1970 | if (vtbl && vtbl->svt_free) |
1971 | (*vtbl->svt_free)(sv, mg); |
1972 | if (mg->mg_ptr && mg->mg_type != 'g') |
1973 | Safefree(mg->mg_ptr); |
a0d0e21e |
1974 | if (mg->mg_flags & MGf_REFCOUNTED) |
1975 | SvREFCNT_dec(mg->mg_obj); |
463ee0b2 |
1976 | Safefree(mg); |
1977 | } |
1978 | else |
1979 | mgp = &mg->mg_moremagic; |
79072805 |
1980 | } |
463ee0b2 |
1981 | if (!SvMAGIC(sv)) { |
1982 | SvMAGICAL_off(sv); |
8990e307 |
1983 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 |
1984 | } |
1985 | |
1986 | return 0; |
79072805 |
1987 | } |
1988 | |
1989 | void |
1990 | sv_insert(bigstr,offset,len,little,littlelen) |
1991 | SV *bigstr; |
1992 | STRLEN offset; |
1993 | STRLEN len; |
1994 | char *little; |
1995 | STRLEN littlelen; |
1996 | { |
1997 | register char *big; |
1998 | register char *mid; |
1999 | register char *midend; |
2000 | register char *bigend; |
2001 | register I32 i; |
2002 | |
8990e307 |
2003 | if (!bigstr) |
2004 | croak("Can't modify non-existent substring"); |
a0d0e21e |
2005 | SvPV_force(bigstr, na); |
79072805 |
2006 | |
2007 | i = littlelen - len; |
2008 | if (i > 0) { /* string might grow */ |
a0d0e21e |
2009 | big = SvGROW(bigstr, SvCUR(bigstr) + i + 1); |
79072805 |
2010 | mid = big + offset + len; |
2011 | midend = bigend = big + SvCUR(bigstr); |
2012 | bigend += i; |
2013 | *bigend = '\0'; |
2014 | while (midend > mid) /* shove everything down */ |
2015 | *--bigend = *--midend; |
2016 | Move(little,big+offset,littlelen,char); |
2017 | SvCUR(bigstr) += i; |
2018 | SvSETMAGIC(bigstr); |
2019 | return; |
2020 | } |
2021 | else if (i == 0) { |
463ee0b2 |
2022 | Move(little,SvPVX(bigstr)+offset,len,char); |
79072805 |
2023 | SvSETMAGIC(bigstr); |
2024 | return; |
2025 | } |
2026 | |
463ee0b2 |
2027 | big = SvPVX(bigstr); |
79072805 |
2028 | mid = big + offset; |
2029 | midend = mid + len; |
2030 | bigend = big + SvCUR(bigstr); |
2031 | |
2032 | if (midend > bigend) |
463ee0b2 |
2033 | croak("panic: sv_insert"); |
79072805 |
2034 | |
2035 | if (mid - big > bigend - midend) { /* faster to shorten from end */ |
2036 | if (littlelen) { |
2037 | Move(little, mid, littlelen,char); |
2038 | mid += littlelen; |
2039 | } |
2040 | i = bigend - midend; |
2041 | if (i > 0) { |
2042 | Move(midend, mid, i,char); |
2043 | mid += i; |
2044 | } |
2045 | *mid = '\0'; |
2046 | SvCUR_set(bigstr, mid - big); |
2047 | } |
2048 | /*SUPPRESS 560*/ |
2049 | else if (i = mid - big) { /* faster from front */ |
2050 | midend -= littlelen; |
2051 | mid = midend; |
2052 | sv_chop(bigstr,midend-i); |
2053 | big += i; |
2054 | while (i--) |
2055 | *--midend = *--big; |
2056 | if (littlelen) |
2057 | Move(little, mid, littlelen,char); |
2058 | } |
2059 | else if (littlelen) { |
2060 | midend -= littlelen; |
2061 | sv_chop(bigstr,midend); |
2062 | Move(little,midend,littlelen,char); |
2063 | } |
2064 | else { |
2065 | sv_chop(bigstr,midend); |
2066 | } |
2067 | SvSETMAGIC(bigstr); |
2068 | } |
2069 | |
2070 | /* make sv point to what nstr did */ |
2071 | |
2072 | void |
2073 | sv_replace(sv,nsv) |
2074 | register SV *sv; |
2075 | register SV *nsv; |
2076 | { |
2077 | U32 refcnt = SvREFCNT(sv); |
ed6116ce |
2078 | if (SvTHINKFIRST(sv)) { |
8990e307 |
2079 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
2080 | croak(no_modify); |
2081 | if (SvROK(sv)) |
2082 | sv_unref(sv); |
2083 | } |
79072805 |
2084 | if (SvREFCNT(nsv) != 1) |
2085 | warn("Reference miscount in sv_replace()"); |
93a17b20 |
2086 | if (SvMAGICAL(sv)) { |
a0d0e21e |
2087 | if (SvMAGICAL(nsv)) |
2088 | mg_free(nsv); |
2089 | else |
2090 | sv_upgrade(nsv, SVt_PVMG); |
93a17b20 |
2091 | SvMAGIC(nsv) = SvMAGIC(sv); |
a0d0e21e |
2092 | SvFLAGS(nsv) |= SvMAGICAL(sv); |
93a17b20 |
2093 | SvMAGICAL_off(sv); |
2094 | SvMAGIC(sv) = 0; |
2095 | } |
79072805 |
2096 | SvREFCNT(sv) = 0; |
2097 | sv_clear(sv); |
2098 | StructCopy(nsv,sv,SV); |
2099 | SvREFCNT(sv) = refcnt; |
463ee0b2 |
2100 | del_SV(nsv); |
79072805 |
2101 | } |
2102 | |
2103 | void |
2104 | sv_clear(sv) |
2105 | register SV *sv; |
2106 | { |
2107 | assert(sv); |
2108 | assert(SvREFCNT(sv) == 0); |
2109 | |
ed6116ce |
2110 | if (SvOBJECT(sv)) { |
463ee0b2 |
2111 | dSP; |
463ee0b2 |
2112 | GV* destructor; |
2113 | |
a0d0e21e |
2114 | if (defstash) { /* Still have a symbol table? */ |
2115 | destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); |
2116 | |
2117 | ENTER; |
2118 | SAVEFREESV(SvSTASH(sv)); |
2119 | if (destructor && GvCV(destructor)) { |
2120 | SV ref; |
2121 | |
2122 | Zero(&ref, 1, SV); |
2123 | sv_upgrade(&ref, SVt_RV); |
2124 | SAVEI32(SvREFCNT(sv)); |
2125 | SvRV(&ref) = SvREFCNT_inc(sv); |
2126 | SvROK_on(&ref); |
2127 | |
2128 | EXTEND(SP, 2); |
2129 | PUSHMARK(SP); |
2130 | PUSHs(&ref); |
2131 | PUTBACK; |
2132 | perl_call_sv((SV*)destructor, G_DISCARD|G_EVAL); |
748a9306 |
2133 | del_XRV(SvANY(&ref)); |
a0d0e21e |
2134 | } |
2135 | LEAVE; |
2136 | } |
2137 | if (SvOBJECT(sv)) { |
2138 | SvOBJECT_off(sv); /* Curse the object. */ |
2139 | if (SvTYPE(sv) != SVt_PVIO) |
2140 | --sv_objcount; /* XXX Might want something more general */ |
2141 | } |
463ee0b2 |
2142 | } |
a0d0e21e |
2143 | if (SvMAGICAL(sv)) |
2144 | mg_free(sv); |
79072805 |
2145 | switch (SvTYPE(sv)) { |
8990e307 |
2146 | case SVt_PVIO: |
2147 | Safefree(IoTOP_NAME(sv)); |
2148 | Safefree(IoFMT_NAME(sv)); |
2149 | Safefree(IoBOTTOM_NAME(sv)); |
a0d0e21e |
2150 | /* FALL THROUGH */ |
79072805 |
2151 | case SVt_PVBM: |
a0d0e21e |
2152 | goto freescalar; |
79072805 |
2153 | case SVt_PVCV: |
748a9306 |
2154 | case SVt_PVFM: |
85e6fe83 |
2155 | cv_undef((CV*)sv); |
a0d0e21e |
2156 | goto freescalar; |
79072805 |
2157 | case SVt_PVHV: |
85e6fe83 |
2158 | hv_undef((HV*)sv); |
a0d0e21e |
2159 | break; |
79072805 |
2160 | case SVt_PVAV: |
85e6fe83 |
2161 | av_undef((AV*)sv); |
a0d0e21e |
2162 | break; |
2163 | case SVt_PVGV: |
2164 | gp_free(sv); |
2165 | Safefree(GvNAME(sv)); |
2166 | /* FALL THROUGH */ |
79072805 |
2167 | case SVt_PVLV: |
79072805 |
2168 | case SVt_PVMG: |
79072805 |
2169 | case SVt_PVNV: |
2170 | case SVt_PVIV: |
a0d0e21e |
2171 | freescalar: |
2172 | (void)SvOOK_off(sv); |
79072805 |
2173 | /* FALL THROUGH */ |
2174 | case SVt_PV: |
a0d0e21e |
2175 | case SVt_RV: |
8990e307 |
2176 | if (SvROK(sv)) |
2177 | SvREFCNT_dec(SvRV(sv)); |
2178 | else if (SvPVX(sv)) |
463ee0b2 |
2179 | Safefree(SvPVX(sv)); |
79072805 |
2180 | break; |
a0d0e21e |
2181 | /* |
79072805 |
2182 | case SVt_NV: |
79072805 |
2183 | case SVt_IV: |
79072805 |
2184 | case SVt_NULL: |
2185 | break; |
a0d0e21e |
2186 | */ |
79072805 |
2187 | } |
2188 | |
2189 | switch (SvTYPE(sv)) { |
2190 | case SVt_NULL: |
2191 | break; |
79072805 |
2192 | case SVt_IV: |
2193 | del_XIV(SvANY(sv)); |
2194 | break; |
2195 | case SVt_NV: |
2196 | del_XNV(SvANY(sv)); |
2197 | break; |
ed6116ce |
2198 | case SVt_RV: |
2199 | del_XRV(SvANY(sv)); |
2200 | break; |
79072805 |
2201 | case SVt_PV: |
2202 | del_XPV(SvANY(sv)); |
2203 | break; |
2204 | case SVt_PVIV: |
2205 | del_XPVIV(SvANY(sv)); |
2206 | break; |
2207 | case SVt_PVNV: |
2208 | del_XPVNV(SvANY(sv)); |
2209 | break; |
2210 | case SVt_PVMG: |
2211 | del_XPVMG(SvANY(sv)); |
2212 | break; |
2213 | case SVt_PVLV: |
2214 | del_XPVLV(SvANY(sv)); |
2215 | break; |
2216 | case SVt_PVAV: |
2217 | del_XPVAV(SvANY(sv)); |
2218 | break; |
2219 | case SVt_PVHV: |
2220 | del_XPVHV(SvANY(sv)); |
2221 | break; |
2222 | case SVt_PVCV: |
2223 | del_XPVCV(SvANY(sv)); |
2224 | break; |
2225 | case SVt_PVGV: |
2226 | del_XPVGV(SvANY(sv)); |
2227 | break; |
2228 | case SVt_PVBM: |
2229 | del_XPVBM(SvANY(sv)); |
2230 | break; |
2231 | case SVt_PVFM: |
2232 | del_XPVFM(SvANY(sv)); |
2233 | break; |
8990e307 |
2234 | case SVt_PVIO: |
2235 | del_XPVIO(SvANY(sv)); |
2236 | break; |
79072805 |
2237 | } |
a0d0e21e |
2238 | SvFLAGS(sv) &= SVf_BREAK; |
8990e307 |
2239 | SvFLAGS(sv) |= SVTYPEMASK; |
79072805 |
2240 | } |
2241 | |
2242 | SV * |
8990e307 |
2243 | sv_newref(sv) |
79072805 |
2244 | SV* sv; |
2245 | { |
463ee0b2 |
2246 | if (sv) |
2247 | SvREFCNT(sv)++; |
79072805 |
2248 | return sv; |
2249 | } |
2250 | |
2251 | void |
2252 | sv_free(sv) |
2253 | SV *sv; |
2254 | { |
2255 | if (!sv) |
2256 | return; |
a0d0e21e |
2257 | if (SvREADONLY(sv)) { |
2258 | if (sv == &sv_undef || sv == &sv_yes || sv == &sv_no) |
2259 | return; |
79072805 |
2260 | } |
a0d0e21e |
2261 | if (SvREFCNT(sv) == 0) { |
2262 | if (SvFLAGS(sv) & SVf_BREAK) |
2263 | return; |
79072805 |
2264 | warn("Attempt to free unreferenced scalar"); |
2265 | return; |
2266 | } |
8990e307 |
2267 | if (--SvREFCNT(sv) > 0) |
2268 | return; |
463ee0b2 |
2269 | #ifdef DEBUGGING |
2270 | if (SvTEMP(sv)) { |
2271 | warn("Attempt to free temp prematurely"); |
79072805 |
2272 | return; |
79072805 |
2273 | } |
463ee0b2 |
2274 | #endif |
79072805 |
2275 | sv_clear(sv); |
79072805 |
2276 | del_SV(sv); |
2277 | } |
2278 | |
2279 | STRLEN |
2280 | sv_len(sv) |
2281 | register SV *sv; |
2282 | { |
748a9306 |
2283 | char *junk; |
463ee0b2 |
2284 | STRLEN len; |
79072805 |
2285 | |
2286 | if (!sv) |
2287 | return 0; |
2288 | |
8990e307 |
2289 | if (SvGMAGICAL(sv)) |
2290 | len = mg_len(sv); |
2291 | else |
748a9306 |
2292 | junk = SvPV(sv, len); |
463ee0b2 |
2293 | return len; |
79072805 |
2294 | } |
2295 | |
2296 | I32 |
2297 | sv_eq(str1,str2) |
2298 | register SV *str1; |
2299 | register SV *str2; |
2300 | { |
2301 | char *pv1; |
463ee0b2 |
2302 | STRLEN cur1; |
79072805 |
2303 | char *pv2; |
463ee0b2 |
2304 | STRLEN cur2; |
79072805 |
2305 | |
2306 | if (!str1) { |
2307 | pv1 = ""; |
2308 | cur1 = 0; |
2309 | } |
463ee0b2 |
2310 | else |
2311 | pv1 = SvPV(str1, cur1); |
79072805 |
2312 | |
2313 | if (!str2) |
2314 | return !cur1; |
463ee0b2 |
2315 | else |
2316 | pv2 = SvPV(str2, cur2); |
79072805 |
2317 | |
2318 | if (cur1 != cur2) |
2319 | return 0; |
2320 | |
2321 | return !bcmp(pv1, pv2, cur1); |
2322 | } |
2323 | |
2324 | I32 |
2325 | sv_cmp(str1,str2) |
2326 | register SV *str1; |
2327 | register SV *str2; |
2328 | { |
2329 | I32 retval; |
2330 | char *pv1; |
463ee0b2 |
2331 | STRLEN cur1; |
79072805 |
2332 | char *pv2; |
463ee0b2 |
2333 | STRLEN cur2; |
79072805 |
2334 | |
2335 | if (!str1) { |
2336 | pv1 = ""; |
2337 | cur1 = 0; |
2338 | } |
463ee0b2 |
2339 | else |
2340 | pv1 = SvPV(str1, cur1); |
79072805 |
2341 | |
2342 | if (!str2) { |
2343 | pv2 = ""; |
2344 | cur2 = 0; |
2345 | } |
463ee0b2 |
2346 | else |
2347 | pv2 = SvPV(str2, cur2); |
79072805 |
2348 | |
2349 | if (!cur1) |
2350 | return cur2 ? -1 : 0; |
2351 | if (!cur2) |
2352 | return 1; |
2353 | |
2354 | if (cur1 < cur2) { |
2355 | /*SUPPRESS 560*/ |
85e6fe83 |
2356 | if (retval = memcmp((void*)pv1, (void*)pv2, cur1)) |
79072805 |
2357 | return retval < 0 ? -1 : 1; |
2358 | else |
2359 | return -1; |
2360 | } |
2361 | /*SUPPRESS 560*/ |
85e6fe83 |
2362 | else if (retval = memcmp((void*)pv1, (void*)pv2, cur2)) |
79072805 |
2363 | return retval < 0 ? -1 : 1; |
2364 | else if (cur1 == cur2) |
2365 | return 0; |
2366 | else |
2367 | return 1; |
2368 | } |
2369 | |
2370 | char * |
2371 | sv_gets(sv,fp,append) |
2372 | register SV *sv; |
2373 | register FILE *fp; |
2374 | I32 append; |
2375 | { |
2376 | register char *bp; /* we're going to steal some values */ |
c2960299 |
2377 | #if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE) |
79072805 |
2378 | register I32 cnt; /* from the stdio struct and put EVERYTHING */ |
2379 | register STDCHAR *ptr; /* in the innermost loop into registers */ |
79072805 |
2380 | STRLEN bpx; |
2381 | I32 shortbuffered; |
748a9306 |
2382 | #endif |
2383 | register I32 newline = rschar;/* (assuming >= 6 registers) */ |
2384 | I32 i; |
79072805 |
2385 | |
ed6116ce |
2386 | if (SvTHINKFIRST(sv)) { |
8990e307 |
2387 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
2388 | croak(no_modify); |
2389 | if (SvROK(sv)) |
2390 | sv_unref(sv); |
2391 | } |
79072805 |
2392 | if (!SvUPGRADE(sv, SVt_PV)) |
a0d0e21e |
2393 | return 0; |
79072805 |
2394 | if (rspara) { /* have to do this both before and after */ |
2395 | do { /* to make sure file boundaries work right */ |
a0d0e21e |
2396 | if (feof(fp)) |
2397 | return 0; |
79072805 |
2398 | i = getc(fp); |
2399 | if (i != '\n') { |
a0d0e21e |
2400 | if (i == -1) |
2401 | return 0; |
79072805 |
2402 | ungetc(i,fp); |
2403 | break; |
2404 | } |
2405 | } while (i != EOF); |
2406 | } |
c2960299 |
2407 | #if defined(USE_STDIO_PTR) && defined(STDIO_PTR_LVALUE) && defined(STDIO_CNT_LVALUE) |
2408 | /* Here is some breathtakingly efficient cheating */ |
16d20bd9 |
2409 | cnt = FILE_cnt(fp); /* get count into register */ |
a0d0e21e |
2410 | (void)SvPOK_only(sv); /* validate pointer */ |
79072805 |
2411 | if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ |
2412 | if (cnt > 80 && SvLEN(sv) > append) { |
2413 | shortbuffered = cnt - SvLEN(sv) + append + 1; |
2414 | cnt -= shortbuffered; |
2415 | } |
2416 | else { |
2417 | shortbuffered = 0; |
2418 | SvGROW(sv, append+cnt+2);/* (remembering cnt can be -1) */ |
2419 | } |
2420 | } |
2421 | else |
2422 | shortbuffered = 0; |
463ee0b2 |
2423 | bp = SvPVX(sv) + append; /* move these two too to registers */ |
16d20bd9 |
2424 | ptr = FILE_ptr(fp); |
79072805 |
2425 | for (;;) { |
2426 | screamer: |
93a17b20 |
2427 | if (cnt > 0) { |
2428 | while (--cnt >= 0) { /* this */ /* eat */ |
2429 | if ((*bp++ = *ptr++) == newline) /* really */ /* dust */ |
2430 | goto thats_all_folks; /* screams */ /* sed :-) */ |
2431 | } |
79072805 |
2432 | } |
2433 | |
748a9306 |
2434 | if (shortbuffered) { /* oh well, must extend */ |
79072805 |
2435 | cnt = shortbuffered; |
2436 | shortbuffered = 0; |
463ee0b2 |
2437 | bpx = bp - SvPVX(sv); /* prepare for possible relocation */ |
79072805 |
2438 | SvCUR_set(sv, bpx); |
2439 | SvGROW(sv, SvLEN(sv) + append + cnt + 2); |
463ee0b2 |
2440 | bp = SvPVX(sv) + bpx; /* reconstitute our pointer */ |
79072805 |
2441 | continue; |
2442 | } |
2443 | |
16d20bd9 |
2444 | FILE_cnt(fp) = cnt; /* deregisterize cnt and ptr */ |
2445 | FILE_ptr(fp) = ptr; |
79072805 |
2446 | i = _filbuf(fp); /* get more characters */ |
16d20bd9 |
2447 | cnt = FILE_cnt(fp); |
2448 | ptr = FILE_ptr(fp); /* reregisterize cnt and ptr */ |
79072805 |
2449 | |
748a9306 |
2450 | if (i == EOF) /* all done for ever? */ |
2451 | goto thats_really_all_folks; |
2452 | |
2453 | bpx = bp - SvPVX(sv); /* prepare for possible relocation */ |
79072805 |
2454 | SvCUR_set(sv, bpx); |
2455 | SvGROW(sv, bpx + cnt + 2); |
748a9306 |
2456 | bp = SvPVX(sv) + bpx; /* reconstitute our pointer */ |
79072805 |
2457 | |
2458 | if (i == newline) { /* all done for now? */ |
2459 | *bp++ = i; |
2460 | goto thats_all_folks; |
2461 | } |
79072805 |
2462 | *bp++ = i; /* now go back to screaming loop */ |
2463 | } |
2464 | |
2465 | thats_all_folks: |
463ee0b2 |
2466 | if (rslen > 1 && (bp - SvPVX(sv) < rslen || bcmp(bp - rslen, rs, rslen))) |
748a9306 |
2467 | goto screamer; /* go back to the fray */ |
79072805 |
2468 | thats_really_all_folks: |
2469 | if (shortbuffered) |
2470 | cnt += shortbuffered; |
16d20bd9 |
2471 | FILE_cnt(fp) = cnt; /* put these back or we're in trouble */ |
2472 | FILE_ptr(fp) = ptr; |
79072805 |
2473 | *bp = '\0'; |
463ee0b2 |
2474 | SvCUR_set(sv, bp - SvPVX(sv)); /* set length */ |
79072805 |
2475 | |
c2960299 |
2476 | #else /* USE_STDIO_PTR && STDIO_PTR_LVALUE && STDIO_CNT_LVALUE */ |
2477 | /*The big, slow, and stupid way */ |
79072805 |
2478 | { |
2479 | char buf[8192]; |
2480 | register char * bpe = buf + sizeof(buf) - 3; |
2481 | |
2482 | screamer: |
2483 | bp = buf; |
2484 | while ((i = getc(fp)) != EOF && (*bp++ = i) != newline && bp < bpe) ; |
2485 | |
2486 | if (append) |
2487 | sv_catpvn(sv, buf, bp - buf); |
2488 | else |
2489 | sv_setpvn(sv, buf, bp - buf); |
2490 | if (i != EOF /* joy */ |
2491 | && |
2492 | (i != newline |
2493 | || |
2494 | (rslen > 1 |
2495 | && |
2496 | (SvCUR(sv) < rslen |
2497 | || |
463ee0b2 |
2498 | bcmp(SvPVX(sv) + SvCUR(sv) - rslen, rs, rslen) |
79072805 |
2499 | ) |
2500 | ) |
2501 | ) |
2502 | ) |
2503 | { |
2504 | append = -1; |
2505 | goto screamer; |
2506 | } |
2507 | } |
2508 | |
c2960299 |
2509 | #endif /* USE_STDIO_PTR && STDIO_PTR_LVALUE && STDIO_CNT_LVALUE */ |
79072805 |
2510 | |
2511 | if (rspara) { |
2512 | while (i != EOF) { |
2513 | i = getc(fp); |
2514 | if (i != '\n') { |
2515 | ungetc(i,fp); |
2516 | break; |
2517 | } |
2518 | } |
2519 | } |
463ee0b2 |
2520 | return SvCUR(sv) - append ? SvPVX(sv) : Nullch; |
79072805 |
2521 | } |
2522 | |
2523 | void |
2524 | sv_inc(sv) |
2525 | register SV *sv; |
2526 | { |
2527 | register char *d; |
463ee0b2 |
2528 | int flags; |
79072805 |
2529 | |
2530 | if (!sv) |
2531 | return; |
ed6116ce |
2532 | if (SvTHINKFIRST(sv)) { |
8990e307 |
2533 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
2534 | croak(no_modify); |
a0d0e21e |
2535 | if (SvROK(sv)) { |
2536 | #ifdef OVERLOAD |
2537 | if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return; |
2538 | #endif /* OVERLOAD */ |
2539 | sv_unref(sv); |
2540 | } |
ed6116ce |
2541 | } |
8990e307 |
2542 | if (SvGMAGICAL(sv)) |
79072805 |
2543 | mg_get(sv); |
8990e307 |
2544 | flags = SvFLAGS(sv); |
2545 | if (flags & SVp_IOK) { |
463ee0b2 |
2546 | ++SvIVX(sv); |
a0d0e21e |
2547 | (void)SvIOK_only(sv); |
79072805 |
2548 | return; |
2549 | } |
8990e307 |
2550 | if (flags & SVp_NOK) { |
463ee0b2 |
2551 | SvNVX(sv) += 1.0; |
a0d0e21e |
2552 | (void)SvNOK_only(sv); |
79072805 |
2553 | return; |
2554 | } |
8990e307 |
2555 | if (!(flags & SVp_POK) || !*SvPVX(sv)) { |
748a9306 |
2556 | sv_upgrade(sv, SVt_NV); |
463ee0b2 |
2557 | SvNVX(sv) = 1.0; |
a0d0e21e |
2558 | (void)SvNOK_only(sv); |
79072805 |
2559 | return; |
2560 | } |
463ee0b2 |
2561 | d = SvPVX(sv); |
79072805 |
2562 | while (isALPHA(*d)) d++; |
2563 | while (isDIGIT(*d)) d++; |
2564 | if (*d) { |
463ee0b2 |
2565 | sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */ |
79072805 |
2566 | return; |
2567 | } |
2568 | d--; |
463ee0b2 |
2569 | while (d >= SvPVX(sv)) { |
79072805 |
2570 | if (isDIGIT(*d)) { |
2571 | if (++*d <= '9') |
2572 | return; |
2573 | *(d--) = '0'; |
2574 | } |
2575 | else { |
2576 | ++*d; |
2577 | if (isALPHA(*d)) |
2578 | return; |
2579 | *(d--) -= 'z' - 'a' + 1; |
2580 | } |
2581 | } |
2582 | /* oh,oh, the number grew */ |
2583 | SvGROW(sv, SvCUR(sv) + 2); |
2584 | SvCUR(sv)++; |
463ee0b2 |
2585 | for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--) |
79072805 |
2586 | *d = d[-1]; |
2587 | if (isDIGIT(d[1])) |
2588 | *d = '1'; |
2589 | else |
2590 | *d = d[1]; |
2591 | } |
2592 | |
2593 | void |
2594 | sv_dec(sv) |
2595 | register SV *sv; |
2596 | { |
463ee0b2 |
2597 | int flags; |
2598 | |
79072805 |
2599 | if (!sv) |
2600 | return; |
ed6116ce |
2601 | if (SvTHINKFIRST(sv)) { |
8990e307 |
2602 | if (SvREADONLY(sv) && curcop != &compiling) |
ed6116ce |
2603 | croak(no_modify); |
a0d0e21e |
2604 | if (SvROK(sv)) { |
2605 | #ifdef OVERLOAD |
2606 | if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return; |
2607 | #endif /* OVERLOAD */ |
2608 | sv_unref(sv); |
2609 | } |
ed6116ce |
2610 | } |
8990e307 |
2611 | if (SvGMAGICAL(sv)) |
79072805 |
2612 | mg_get(sv); |
8990e307 |
2613 | flags = SvFLAGS(sv); |
2614 | if (flags & SVp_IOK) { |
463ee0b2 |
2615 | --SvIVX(sv); |
a0d0e21e |
2616 | (void)SvIOK_only(sv); |
79072805 |
2617 | return; |
2618 | } |
8990e307 |
2619 | if (flags & SVp_NOK) { |
463ee0b2 |
2620 | SvNVX(sv) -= 1.0; |
a0d0e21e |
2621 | (void)SvNOK_only(sv); |
79072805 |
2622 | return; |
2623 | } |
8990e307 |
2624 | if (!(flags & SVp_POK)) { |
748a9306 |
2625 | sv_upgrade(sv, SVt_NV); |
463ee0b2 |
2626 | SvNVX(sv) = -1.0; |
a0d0e21e |
2627 | (void)SvNOK_only(sv); |
79072805 |
2628 | return; |
2629 | } |
463ee0b2 |
2630 | sv_setnv(sv,atof(SvPVX(sv)) - 1.0); |
79072805 |
2631 | } |
2632 | |
2633 | /* Make a string that will exist for the duration of the expression |
2634 | * evaluation. Actually, it may have to last longer than that, but |
2635 | * hopefully we won't free it until it has been assigned to a |
2636 | * permanent location. */ |
2637 | |
8990e307 |
2638 | static void |
2639 | sv_mortalgrow() |
2640 | { |
2641 | tmps_max += 128; |
2642 | Renew(tmps_stack, tmps_max, SV*); |
2643 | } |
2644 | |
79072805 |
2645 | SV * |
2646 | sv_mortalcopy(oldstr) |
2647 | SV *oldstr; |
2648 | { |
463ee0b2 |
2649 | register SV *sv; |
79072805 |
2650 | |
463ee0b2 |
2651 | new_SV(); |
8990e307 |
2652 | SvANY(sv) = 0; |
2653 | SvREFCNT(sv) = 1; |
2654 | SvFLAGS(sv) = 0; |
79072805 |
2655 | sv_setsv(sv,oldstr); |
8990e307 |
2656 | if (++tmps_ix >= tmps_max) |
2657 | sv_mortalgrow(); |
2658 | tmps_stack[tmps_ix] = sv; |
2659 | SvTEMP_on(sv); |
2660 | return sv; |
2661 | } |
2662 | |
2663 | SV * |
2664 | sv_newmortal() |
2665 | { |
2666 | register SV *sv; |
2667 | |
2668 | new_SV(); |
2669 | SvANY(sv) = 0; |
2670 | SvREFCNT(sv) = 1; |
2671 | SvFLAGS(sv) = SVs_TEMP; |
2672 | if (++tmps_ix >= tmps_max) |
2673 | sv_mortalgrow(); |
79072805 |
2674 | tmps_stack[tmps_ix] = sv; |
79072805 |
2675 | return sv; |
2676 | } |
2677 | |
2678 | /* same thing without the copying */ |
2679 | |
2680 | SV * |
2681 | sv_2mortal(sv) |
2682 | register SV *sv; |
2683 | { |
2684 | if (!sv) |
2685 | return sv; |
a0d0e21e |
2686 | if (SvREADONLY(sv) && curcop != &compiling) |
2687 | croak(no_modify); |
8990e307 |
2688 | if (++tmps_ix >= tmps_max) |
2689 | sv_mortalgrow(); |
79072805 |
2690 | tmps_stack[tmps_ix] = sv; |
8990e307 |
2691 | SvTEMP_on(sv); |
79072805 |
2692 | return sv; |
2693 | } |
2694 | |
2695 | SV * |
2696 | newSVpv(s,len) |
2697 | char *s; |
2698 | STRLEN len; |
2699 | { |
463ee0b2 |
2700 | register SV *sv; |
79072805 |
2701 | |
463ee0b2 |
2702 | new_SV(); |
8990e307 |
2703 | SvANY(sv) = 0; |
2704 | SvREFCNT(sv) = 1; |
2705 | SvFLAGS(sv) = 0; |
79072805 |
2706 | if (!len) |
2707 | len = strlen(s); |
2708 | sv_setpvn(sv,s,len); |
2709 | return sv; |
2710 | } |
2711 | |
2712 | SV * |
2713 | newSVnv(n) |
2714 | double n; |
2715 | { |
463ee0b2 |
2716 | register SV *sv; |
79072805 |
2717 | |
463ee0b2 |
2718 | new_SV(); |
8990e307 |
2719 | SvANY(sv) = 0; |
2720 | SvREFCNT(sv) = 1; |
2721 | SvFLAGS(sv) = 0; |
79072805 |
2722 | sv_setnv(sv,n); |
2723 | return sv; |
2724 | } |
2725 | |
2726 | SV * |
2727 | newSViv(i) |
a0d0e21e |
2728 | IV i; |
79072805 |
2729 | { |
463ee0b2 |
2730 | register SV *sv; |
79072805 |
2731 | |
463ee0b2 |
2732 | new_SV(); |
8990e307 |
2733 | SvANY(sv) = 0; |
2734 | SvREFCNT(sv) = 1; |
2735 | SvFLAGS(sv) = 0; |
79072805 |
2736 | sv_setiv(sv,i); |
2737 | return sv; |
2738 | } |
2739 | |
2304df62 |
2740 | SV * |
2741 | newRV(ref) |
2742 | SV *ref; |
2743 | { |
2744 | register SV *sv; |
2745 | |
2746 | new_SV(); |
2747 | SvANY(sv) = 0; |
2748 | SvREFCNT(sv) = 1; |
2749 | SvFLAGS(sv) = 0; |
2750 | sv_upgrade(sv, SVt_RV); |
a0d0e21e |
2751 | SvTEMP_off(ref); |
2304df62 |
2752 | SvRV(sv) = SvREFCNT_inc(ref); |
2753 | SvROK_on(sv); |
2304df62 |
2754 | return sv; |
2755 | } |
2756 | |
79072805 |
2757 | /* make an exact duplicate of old */ |
2758 | |
2759 | SV * |
2760 | newSVsv(old) |
2761 | register SV *old; |
2762 | { |
463ee0b2 |
2763 | register SV *sv; |
79072805 |
2764 | |
2765 | if (!old) |
2766 | return Nullsv; |
8990e307 |
2767 | if (SvTYPE(old) == SVTYPEMASK) { |
79072805 |
2768 | warn("semi-panic: attempt to dup freed string"); |
2769 | return Nullsv; |
2770 | } |
463ee0b2 |
2771 | new_SV(); |
8990e307 |
2772 | SvANY(sv) = 0; |
2773 | SvREFCNT(sv) = 1; |
2774 | SvFLAGS(sv) = 0; |
79072805 |
2775 | if (SvTEMP(old)) { |
2776 | SvTEMP_off(old); |
463ee0b2 |
2777 | sv_setsv(sv,old); |
79072805 |
2778 | SvTEMP_on(old); |
2779 | } |
2780 | else |
463ee0b2 |
2781 | sv_setsv(sv,old); |
2782 | return sv; |
79072805 |
2783 | } |
2784 | |
2785 | void |
2786 | sv_reset(s,stash) |
2787 | register char *s; |
2788 | HV *stash; |
2789 | { |
2790 | register HE *entry; |
2791 | register GV *gv; |
2792 | register SV *sv; |
2793 | register I32 i; |
2794 | register PMOP *pm; |
2795 | register I32 max; |
463ee0b2 |
2796 | char todo[256]; |
79072805 |
2797 | |
2798 | if (!*s) { /* reset ?? searches */ |
2799 | for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) { |
2800 | pm->op_pmflags &= ~PMf_USED; |
2801 | } |
2802 | return; |
2803 | } |
2804 | |
2805 | /* reset variables */ |
2806 | |
2807 | if (!HvARRAY(stash)) |
2808 | return; |
463ee0b2 |
2809 | |
2810 | Zero(todo, 256, char); |
79072805 |
2811 | while (*s) { |
2812 | i = *s; |
2813 | if (s[1] == '-') { |
2814 | s += 2; |
2815 | } |
2816 | max = *s++; |
2817 | for ( ; i <= max; i++) { |
463ee0b2 |
2818 | todo[i] = 1; |
2819 | } |
a0d0e21e |
2820 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
79072805 |
2821 | for (entry = HvARRAY(stash)[i]; |
2822 | entry; |
2823 | entry = entry->hent_next) { |
463ee0b2 |
2824 | if (!todo[(U8)*entry->hent_key]) |
2825 | continue; |
79072805 |
2826 | gv = (GV*)entry->hent_val; |
2827 | sv = GvSV(gv); |
a0d0e21e |
2828 | (void)SvOK_off(sv); |
79072805 |
2829 | if (SvTYPE(sv) >= SVt_PV) { |
2830 | SvCUR_set(sv, 0); |
463ee0b2 |
2831 | SvTAINT(sv); |
2832 | if (SvPVX(sv) != Nullch) |
2833 | *SvPVX(sv) = '\0'; |
79072805 |
2834 | } |
2835 | if (GvAV(gv)) { |
2836 | av_clear(GvAV(gv)); |
2837 | } |
2838 | if (GvHV(gv)) { |
a0d0e21e |
2839 | if (HvNAME(GvHV(gv))) |
2840 | continue; |
463ee0b2 |
2841 | hv_clear(GvHV(gv)); |
a0d0e21e |
2842 | #ifndef VMS /* VMS has no environ array */ |
79072805 |
2843 | if (gv == envgv) |
2844 | environ[0] = Nullch; |
a0d0e21e |
2845 | #endif |
79072805 |
2846 | } |
2847 | } |
2848 | } |
2849 | } |
2850 | } |
2851 | |
79072805 |
2852 | CV * |
2853 | sv_2cv(sv, st, gvp, lref) |
2854 | SV *sv; |
2855 | HV **st; |
2856 | GV **gvp; |
2857 | I32 lref; |
2858 | { |
2859 | GV *gv; |
2860 | CV *cv; |
2861 | |
2862 | if (!sv) |
93a17b20 |
2863 | return *gvp = Nullgv, Nullcv; |
79072805 |
2864 | switch (SvTYPE(sv)) { |
79072805 |
2865 | case SVt_PVCV: |
2866 | *st = CvSTASH(sv); |
2867 | *gvp = Nullgv; |
2868 | return (CV*)sv; |
2869 | case SVt_PVHV: |
2870 | case SVt_PVAV: |
2871 | *gvp = Nullgv; |
2872 | return Nullcv; |
8990e307 |
2873 | case SVt_PVGV: |
2874 | gv = (GV*)sv; |
a0d0e21e |
2875 | *gvp = gv; |
8990e307 |
2876 | *st = GvESTASH(gv); |
2877 | goto fix_gv; |
2878 | |
79072805 |
2879 | default: |
a0d0e21e |
2880 | if (SvGMAGICAL(sv)) |
2881 | mg_get(sv); |
2882 | if (SvROK(sv)) { |
2883 | cv = (CV*)SvRV(sv); |
2884 | if (SvTYPE(cv) != SVt_PVCV) |
2885 | croak("Not a subroutine reference"); |
2886 | *gvp = Nullgv; |
2887 | *st = CvSTASH(cv); |
2888 | return cv; |
2889 | } |
79072805 |
2890 | if (isGV(sv)) |
2891 | gv = (GV*)sv; |
2892 | else |
85e6fe83 |
2893 | gv = gv_fetchpv(SvPV(sv, na), lref, SVt_PVCV); |
79072805 |
2894 | *gvp = gv; |
2895 | if (!gv) |
2896 | return Nullcv; |
2897 | *st = GvESTASH(gv); |
8990e307 |
2898 | fix_gv: |
2899 | if (lref && !GvCV(gv)) { |
748a9306 |
2900 | ENTER; |
a0d0e21e |
2901 | sv = NEWSV(704,0); |
8990e307 |
2902 | gv_efullname(sv, gv); |
748a9306 |
2903 | newSUB(start_subparse(), |
8990e307 |
2904 | newSVOP(OP_CONST, 0, sv), |
2905 | Nullop); |
748a9306 |
2906 | LEAVE; |
8990e307 |
2907 | } |
79072805 |
2908 | return GvCV(gv); |
2909 | } |
2910 | } |
2911 | |
2912 | #ifndef SvTRUE |
2913 | I32 |
2914 | SvTRUE(sv) |
2915 | register SV *sv; |
2916 | { |
8990e307 |
2917 | if (!sv) |
2918 | return 0; |
2919 | if (SvGMAGICAL(sv)) |
79072805 |
2920 | mg_get(sv); |
2921 | if (SvPOK(sv)) { |
2922 | register XPV* Xpv; |
2923 | if ((Xpv = (XPV*)SvANY(sv)) && |
2924 | (*Xpv->xpv_pv > '0' || |
2925 | Xpv->xpv_cur > 1 || |
2926 | (Xpv->xpv_cur && *Xpv->xpv_pv != '0'))) |
2927 | return 1; |
2928 | else |
2929 | return 0; |
2930 | } |
2931 | else { |
2932 | if (SvIOK(sv)) |
463ee0b2 |
2933 | return SvIVX(sv) != 0; |
79072805 |
2934 | else { |
2935 | if (SvNOK(sv)) |
463ee0b2 |
2936 | return SvNVX(sv) != 0.0; |
79072805 |
2937 | else |
463ee0b2 |
2938 | return sv_2bool(sv); |
79072805 |
2939 | } |
2940 | } |
2941 | } |
2942 | #endif /* SvTRUE */ |
2943 | |
85e6fe83 |
2944 | #ifndef SvIV |
a0d0e21e |
2945 | IV SvIV(Sv) |
85e6fe83 |
2946 | register SV *Sv; |
2947 | { |
2948 | if (SvIOK(Sv)) |
2949 | return SvIVX(Sv); |
2950 | return sv_2iv(Sv); |
2951 | } |
2952 | #endif /* SvIV */ |
2953 | |
2954 | |
463ee0b2 |
2955 | #ifndef SvNV |
2956 | double SvNV(Sv) |
79072805 |
2957 | register SV *Sv; |
2958 | { |
79072805 |
2959 | if (SvNOK(Sv)) |
463ee0b2 |
2960 | return SvNVX(Sv); |
79072805 |
2961 | if (SvIOK(Sv)) |
463ee0b2 |
2962 | return (double)SvIVX(Sv); |
79072805 |
2963 | return sv_2nv(Sv); |
2964 | } |
463ee0b2 |
2965 | #endif /* SvNV */ |
79072805 |
2966 | |
463ee0b2 |
2967 | #ifdef CRIPPLED_CC |
79072805 |
2968 | char * |
463ee0b2 |
2969 | sv_pvn(sv, lp) |
79072805 |
2970 | SV *sv; |
463ee0b2 |
2971 | STRLEN *lp; |
79072805 |
2972 | { |
85e6fe83 |
2973 | if (SvPOK(sv)) { |
2974 | *lp = SvCUR(sv); |
a0d0e21e |
2975 | return SvPVX(sv); |
85e6fe83 |
2976 | } |
463ee0b2 |
2977 | return sv_2pv(sv, lp); |
79072805 |
2978 | } |
2979 | #endif |
2980 | |
a0d0e21e |
2981 | char * |
2982 | sv_pvn_force(sv, lp) |
2983 | SV *sv; |
2984 | STRLEN *lp; |
2985 | { |
2986 | char *s; |
2987 | |
2988 | if (SvREADONLY(sv) && curcop != &compiling) |
2989 | croak(no_modify); |
2990 | |
2991 | if (SvPOK(sv)) { |
2992 | *lp = SvCUR(sv); |
2993 | } |
2994 | else { |
748a9306 |
2995 | if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) { |
8e07c86e |
2996 | if (SvTYPE(sv) == SVt_PVGV && SvFAKE(sv)) { |
a0d0e21e |
2997 | sv_unglob(sv); |
8e07c86e |
2998 | s = SvPVX(sv); |
2999 | *lp = SvCUR(sv); |
3000 | } |
a0d0e21e |
3001 | else |
3002 | croak("Can't coerce %s to string in %s", sv_reftype(sv,0), |
3003 | op_name[op->op_type]); |
3004 | } |
8e07c86e |
3005 | else |
3006 | s = sv_2pv(sv, lp); |
a0d0e21e |
3007 | if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */ |
3008 | STRLEN len = *lp; |
3009 | |
3010 | if (SvROK(sv)) |
3011 | sv_unref(sv); |
3012 | (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */ |
3013 | SvGROW(sv, len + 1); |
3014 | Move(s,SvPVX(sv),len,char); |
3015 | SvCUR_set(sv, len); |
3016 | *SvEND(sv) = '\0'; |
3017 | } |
3018 | if (!SvPOK(sv)) { |
3019 | SvPOK_on(sv); /* validate pointer */ |
3020 | SvTAINT(sv); |
3021 | DEBUG_c(fprintf(stderr,"0x%lx 2pv(%s)\n", |
3022 | (unsigned long)sv,SvPVX(sv))); |
3023 | } |
3024 | } |
3025 | return SvPVX(sv); |
3026 | } |
3027 | |
3028 | char * |
3029 | sv_reftype(sv, ob) |
3030 | SV* sv; |
3031 | int ob; |
3032 | { |
3033 | if (ob && SvOBJECT(sv)) |
3034 | return HvNAME(SvSTASH(sv)); |
3035 | else { |
3036 | switch (SvTYPE(sv)) { |
3037 | case SVt_NULL: |
3038 | case SVt_IV: |
3039 | case SVt_NV: |
3040 | case SVt_RV: |
3041 | case SVt_PV: |
3042 | case SVt_PVIV: |
3043 | case SVt_PVNV: |
3044 | case SVt_PVMG: |
3045 | case SVt_PVBM: |
3046 | if (SvROK(sv)) |
3047 | return "REF"; |
3048 | else |
3049 | return "SCALAR"; |
3050 | case SVt_PVLV: return "LVALUE"; |
3051 | case SVt_PVAV: return "ARRAY"; |
3052 | case SVt_PVHV: return "HASH"; |
3053 | case SVt_PVCV: return "CODE"; |
3054 | case SVt_PVGV: return "GLOB"; |
3055 | case SVt_PVFM: return "FORMLINE"; |
3056 | default: return "UNKNOWN"; |
3057 | } |
3058 | } |
3059 | } |
3060 | |
463ee0b2 |
3061 | int |
85e6fe83 |
3062 | sv_isobject(sv) |
3063 | SV *sv; |
3064 | { |
3065 | if (!SvROK(sv)) |
3066 | return 0; |
3067 | sv = (SV*)SvRV(sv); |
3068 | if (!SvOBJECT(sv)) |
3069 | return 0; |
3070 | return 1; |
3071 | } |
3072 | |
3073 | int |
463ee0b2 |
3074 | sv_isa(sv, name) |
3075 | SV *sv; |
3076 | char *name; |
3077 | { |
ed6116ce |
3078 | if (!SvROK(sv)) |
463ee0b2 |
3079 | return 0; |
ed6116ce |
3080 | sv = (SV*)SvRV(sv); |
3081 | if (!SvOBJECT(sv)) |
463ee0b2 |
3082 | return 0; |
3083 | |
3084 | return strEQ(HvNAME(SvSTASH(sv)), name); |
3085 | } |
3086 | |
3087 | SV* |
a0d0e21e |
3088 | newSVrv(rv, classname) |
463ee0b2 |
3089 | SV *rv; |
a0d0e21e |
3090 | char *classname; |
463ee0b2 |
3091 | { |
463ee0b2 |
3092 | SV *sv; |
3093 | |
463ee0b2 |
3094 | new_SV(); |
8990e307 |
3095 | SvANY(sv) = 0; |
a0d0e21e |
3096 | SvREFCNT(sv) = 0; |
8990e307 |
3097 | SvFLAGS(sv) = 0; |
ed6116ce |
3098 | sv_upgrade(rv, SVt_RV); |
8990e307 |
3099 | SvRV(rv) = SvREFCNT_inc(sv); |
ed6116ce |
3100 | SvROK_on(rv); |
463ee0b2 |
3101 | |
a0d0e21e |
3102 | if (classname) { |
3103 | HV* stash = gv_stashpv(classname, TRUE); |
3104 | (void)sv_bless(rv, stash); |
3105 | } |
3106 | return sv; |
3107 | } |
3108 | |
3109 | SV* |
3110 | sv_setref_pv(rv, classname, pv) |
3111 | SV *rv; |
3112 | char *classname; |
3113 | void* pv; |
3114 | { |
3115 | if (!pv) |
3116 | sv_setsv(rv, &sv_undef); |
3117 | else |
3118 | sv_setiv(newSVrv(rv,classname), (IV)pv); |
3119 | return rv; |
3120 | } |
3121 | |
3122 | SV* |
3123 | sv_setref_iv(rv, classname, iv) |
3124 | SV *rv; |
3125 | char *classname; |
3126 | IV iv; |
3127 | { |
3128 | sv_setiv(newSVrv(rv,classname), iv); |
3129 | return rv; |
3130 | } |
3131 | |
3132 | SV* |
3133 | sv_setref_nv(rv, classname, nv) |
3134 | SV *rv; |
3135 | char *classname; |
3136 | double nv; |
3137 | { |
3138 | sv_setnv(newSVrv(rv,classname), nv); |
3139 | return rv; |
3140 | } |
463ee0b2 |
3141 | |
a0d0e21e |
3142 | SV* |
3143 | sv_setref_pvn(rv, classname, pv, n) |
3144 | SV *rv; |
3145 | char *classname; |
3146 | char* pv; |
3147 | I32 n; |
3148 | { |
3149 | sv_setpvn(newSVrv(rv,classname), pv, n); |
463ee0b2 |
3150 | return rv; |
3151 | } |
3152 | |
a0d0e21e |
3153 | SV* |
3154 | sv_bless(sv,stash) |
3155 | SV* sv; |
3156 | HV* stash; |
3157 | { |
3158 | SV *ref; |
3159 | if (!SvROK(sv)) |
3160 | croak("Can't bless non-reference value"); |
3161 | ref = SvRV(sv); |
3162 | if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) { |
3163 | if (SvREADONLY(ref)) |
3164 | croak(no_modify); |
3165 | if (SvOBJECT(ref) && SvTYPE(ref) != SVt_PVIO) |
3166 | --sv_objcount; |
3167 | } |
3168 | SvOBJECT_on(ref); |
3169 | ++sv_objcount; |
3170 | (void)SvUPGRADE(ref, SVt_PVMG); |
3171 | SvSTASH(ref) = (HV*)SvREFCNT_inc(stash); |
3172 | |
3173 | #ifdef OVERLOAD |
748a9306 |
3174 | SvAMAGIC_off(sv); |
a0d0e21e |
3175 | if (Gv_AMG(stash)) { |
3176 | SvAMAGIC_on(sv); |
3177 | } |
3178 | #endif /* OVERLOAD */ |
3179 | |
3180 | return sv; |
3181 | } |
3182 | |
3183 | static void |
3184 | sv_unglob(sv) |
3185 | SV* sv; |
3186 | { |
3187 | assert(SvTYPE(sv) == SVt_PVGV); |
3188 | SvFAKE_off(sv); |
3189 | if (GvGP(sv)) |
3190 | gp_free(sv); |
3191 | sv_unmagic(sv, '*'); |
3192 | Safefree(GvNAME(sv)); |
8e07c86e |
3193 | SvMULTI_off(sv); |
a0d0e21e |
3194 | SvFLAGS(sv) &= ~SVTYPEMASK; |
3195 | SvFLAGS(sv) |= SVt_PVMG; |
3196 | } |
3197 | |
ed6116ce |
3198 | void |
3199 | sv_unref(sv) |
3200 | SV* sv; |
3201 | { |
a0d0e21e |
3202 | SV* rv = SvRV(sv); |
3203 | |
ed6116ce |
3204 | SvRV(sv) = 0; |
3205 | SvROK_off(sv); |
8e07c86e |
3206 | if (SvREFCNT(rv) == 1) |
3207 | sv_2mortal(rv); |
3208 | else |
3209 | SvREFCNT_dec(rv); |
ed6116ce |
3210 | } |
8990e307 |
3211 | |
3212 | #ifdef DEBUGGING |
3213 | void |
3214 | sv_dump(sv) |
3215 | SV* sv; |
3216 | { |
3217 | char tmpbuf[1024]; |
3218 | char *d = tmpbuf; |
3219 | U32 flags; |
3220 | U32 type; |
3221 | |
3222 | if (!sv) { |
3223 | fprintf(stderr, "SV = 0\n"); |
3224 | return; |
3225 | } |
3226 | |
3227 | flags = SvFLAGS(sv); |
3228 | type = SvTYPE(sv); |
3229 | |
3230 | sprintf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (", |
3231 | (unsigned long)SvANY(sv), (long)SvREFCNT(sv)); |
3232 | d += strlen(d); |
3233 | if (flags & SVs_PADBUSY) strcat(d, "PADBUSY,"); |
3234 | if (flags & SVs_PADTMP) strcat(d, "PADTMP,"); |
3235 | if (flags & SVs_PADMY) strcat(d, "PADMY,"); |
3236 | if (flags & SVs_TEMP) strcat(d, "TEMP,"); |
3237 | if (flags & SVs_OBJECT) strcat(d, "OBJECT,"); |
3238 | if (flags & SVs_GMG) strcat(d, "GMG,"); |
3239 | if (flags & SVs_SMG) strcat(d, "SMG,"); |
3240 | if (flags & SVs_RMG) strcat(d, "RMG,"); |
3241 | d += strlen(d); |
3242 | |
3243 | if (flags & SVf_IOK) strcat(d, "IOK,"); |
3244 | if (flags & SVf_NOK) strcat(d, "NOK,"); |
3245 | if (flags & SVf_POK) strcat(d, "POK,"); |
3246 | if (flags & SVf_ROK) strcat(d, "ROK,"); |
8990e307 |
3247 | if (flags & SVf_OOK) strcat(d, "OOK,"); |
a0d0e21e |
3248 | if (flags & SVf_FAKE) strcat(d, "FAKE,"); |
8990e307 |
3249 | if (flags & SVf_READONLY) strcat(d, "READONLY,"); |
3250 | d += strlen(d); |
3251 | |
3252 | if (flags & SVp_IOK) strcat(d, "pIOK,"); |
3253 | if (flags & SVp_NOK) strcat(d, "pNOK,"); |
3254 | if (flags & SVp_POK) strcat(d, "pPOK,"); |
3255 | if (flags & SVp_SCREAM) strcat(d, "SCREAM,"); |
3256 | d += strlen(d); |
3257 | if (d[-1] == ',') |
3258 | d--; |
3259 | *d++ = ')'; |
3260 | *d = '\0'; |
3261 | |
3262 | fprintf(stderr, "SV = "); |
3263 | switch (type) { |
3264 | case SVt_NULL: |
3265 | fprintf(stderr,"NULL%s\n", tmpbuf); |
3266 | return; |
3267 | case SVt_IV: |
3268 | fprintf(stderr,"IV%s\n", tmpbuf); |
3269 | break; |
3270 | case SVt_NV: |
3271 | fprintf(stderr,"NV%s\n", tmpbuf); |
3272 | break; |
3273 | case SVt_RV: |
3274 | fprintf(stderr,"RV%s\n", tmpbuf); |
3275 | break; |
3276 | case SVt_PV: |
3277 | fprintf(stderr,"PV%s\n", tmpbuf); |
3278 | break; |
3279 | case SVt_PVIV: |
3280 | fprintf(stderr,"PVIV%s\n", tmpbuf); |
3281 | break; |
3282 | case SVt_PVNV: |
3283 | fprintf(stderr,"PVNV%s\n", tmpbuf); |
3284 | break; |
3285 | case SVt_PVBM: |
3286 | fprintf(stderr,"PVBM%s\n", tmpbuf); |
3287 | break; |
3288 | case SVt_PVMG: |
3289 | fprintf(stderr,"PVMG%s\n", tmpbuf); |
3290 | break; |
3291 | case SVt_PVLV: |
3292 | fprintf(stderr,"PVLV%s\n", tmpbuf); |
3293 | break; |
3294 | case SVt_PVAV: |
3295 | fprintf(stderr,"PVAV%s\n", tmpbuf); |
3296 | break; |
3297 | case SVt_PVHV: |
3298 | fprintf(stderr,"PVHV%s\n", tmpbuf); |
3299 | break; |
3300 | case SVt_PVCV: |
3301 | fprintf(stderr,"PVCV%s\n", tmpbuf); |
3302 | break; |
3303 | case SVt_PVGV: |
3304 | fprintf(stderr,"PVGV%s\n", tmpbuf); |
3305 | break; |
3306 | case SVt_PVFM: |
3307 | fprintf(stderr,"PVFM%s\n", tmpbuf); |
3308 | break; |
3309 | case SVt_PVIO: |
3310 | fprintf(stderr,"PVIO%s\n", tmpbuf); |
3311 | break; |
3312 | default: |
3313 | fprintf(stderr,"UNKNOWN%s\n", tmpbuf); |
3314 | return; |
3315 | } |
3316 | if (type >= SVt_PVIV || type == SVt_IV) |
3317 | fprintf(stderr, " IV = %ld\n", (long)SvIVX(sv)); |
3318 | if (type >= SVt_PVNV || type == SVt_NV) |
a0d0e21e |
3319 | fprintf(stderr, " NV = %.*g\n", DBL_DIG, SvNVX(sv)); |
8990e307 |
3320 | if (SvROK(sv)) { |
a0d0e21e |
3321 | fprintf(stderr, " RV = 0x%lx\n", (long)SvRV(sv)); |
8990e307 |
3322 | sv_dump(SvRV(sv)); |
3323 | return; |
3324 | } |
3325 | if (type < SVt_PV) |
3326 | return; |
3327 | if (type <= SVt_PVLV) { |
3328 | if (SvPVX(sv)) |
3329 | fprintf(stderr, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n", |
a0d0e21e |
3330 | (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv)); |
8990e307 |
3331 | else |
3332 | fprintf(stderr, " PV = 0\n"); |
3333 | } |
3334 | if (type >= SVt_PVMG) { |
3335 | if (SvMAGIC(sv)) { |
a0d0e21e |
3336 | fprintf(stderr, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv)); |
8990e307 |
3337 | } |
3338 | if (SvSTASH(sv)) |
3339 | fprintf(stderr, " STASH = %s\n", HvNAME(SvSTASH(sv))); |
3340 | } |
3341 | switch (type) { |
3342 | case SVt_PVLV: |
3343 | fprintf(stderr, " TYPE = %c\n", LvTYPE(sv)); |
3344 | fprintf(stderr, " TARGOFF = %ld\n", (long)LvTARGOFF(sv)); |
3345 | fprintf(stderr, " TARGLEN = %ld\n", (long)LvTARGLEN(sv)); |
a0d0e21e |
3346 | fprintf(stderr, " TARG = 0x%lx\n", (long)LvTARG(sv)); |
8990e307 |
3347 | sv_dump(LvTARG(sv)); |
3348 | break; |
3349 | case SVt_PVAV: |
a0d0e21e |
3350 | fprintf(stderr, " ARRAY = 0x%lx\n", (long)AvARRAY(sv)); |
3351 | fprintf(stderr, " ALLOC = 0x%lx\n", (long)AvALLOC(sv)); |
8990e307 |
3352 | fprintf(stderr, " FILL = %ld\n", (long)AvFILL(sv)); |
3353 | fprintf(stderr, " MAX = %ld\n", (long)AvMAX(sv)); |
a0d0e21e |
3354 | fprintf(stderr, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv)); |
8990e307 |
3355 | if (AvREAL(sv)) |
3356 | fprintf(stderr, " FLAGS = (REAL)\n"); |
3357 | else |
3358 | fprintf(stderr, " FLAGS = ()\n"); |
3359 | break; |
3360 | case SVt_PVHV: |
a0d0e21e |
3361 | fprintf(stderr, " ARRAY = 0x%lx\n",(long)HvARRAY(sv)); |
8990e307 |
3362 | fprintf(stderr, " KEYS = %ld\n", (long)HvKEYS(sv)); |
3363 | fprintf(stderr, " FILL = %ld\n", (long)HvFILL(sv)); |
3364 | fprintf(stderr, " MAX = %ld\n", (long)HvMAX(sv)); |
3365 | fprintf(stderr, " RITER = %ld\n", (long)HvRITER(sv)); |
a0d0e21e |
3366 | fprintf(stderr, " EITER = 0x%lx\n",(long) HvEITER(sv)); |
8990e307 |
3367 | if (HvPMROOT(sv)) |
a0d0e21e |
3368 | fprintf(stderr, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv)); |
8990e307 |
3369 | if (HvNAME(sv)) |
3370 | fprintf(stderr, " NAME = \"%s\"\n", HvNAME(sv)); |
3371 | break; |
3372 | case SVt_PVFM: |
3373 | case SVt_PVCV: |
a0d0e21e |
3374 | fprintf(stderr, " STASH = 0x%lx\n", (long)CvSTASH(sv)); |
3375 | fprintf(stderr, " START = 0x%lx\n", (long)CvSTART(sv)); |
3376 | fprintf(stderr, " ROOT = 0x%lx\n", (long)CvROOT(sv)); |
3377 | fprintf(stderr, " XSUB = 0x%lx\n", (long)CvXSUB(sv)); |
3378 | fprintf(stderr, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32); |
3379 | fprintf(stderr, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv)); |
8990e307 |
3380 | fprintf(stderr, " DEPTH = %ld\n", (long)CvDEPTH(sv)); |
a0d0e21e |
3381 | fprintf(stderr, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv)); |
e9a444f0 |
3382 | fprintf(stderr, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv)); |
8990e307 |
3383 | if (type == SVt_PVFM) |
3384 | fprintf(stderr, " LINES = %ld\n", (long)FmLINES(sv)); |
3385 | break; |
3386 | case SVt_PVGV: |
3387 | fprintf(stderr, " NAME = %s\n", GvNAME(sv)); |
3388 | fprintf(stderr, " NAMELEN = %ld\n", (long)GvNAMELEN(sv)); |
a0d0e21e |
3389 | fprintf(stderr, " STASH = 0x%lx\n", (long)GvSTASH(sv)); |
3390 | fprintf(stderr, " GP = 0x%lx\n", (long)GvGP(sv)); |
3391 | fprintf(stderr, " SV = 0x%lx\n", (long)GvSV(sv)); |
8990e307 |
3392 | fprintf(stderr, " REFCNT = %ld\n", (long)GvREFCNT(sv)); |
a0d0e21e |
3393 | fprintf(stderr, " IO = 0x%lx\n", (long)GvIOp(sv)); |
3394 | fprintf(stderr, " FORM = 0x%lx\n", (long)GvFORM(sv)); |
3395 | fprintf(stderr, " AV = 0x%lx\n", (long)GvAV(sv)); |
3396 | fprintf(stderr, " HV = 0x%lx\n", (long)GvHV(sv)); |
3397 | fprintf(stderr, " CV = 0x%lx\n", (long)GvCV(sv)); |
3398 | fprintf(stderr, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv)); |
8990e307 |
3399 | fprintf(stderr, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv)); |
3400 | fprintf(stderr, " LINE = %ld\n", (long)GvLINE(sv)); |
3401 | fprintf(stderr, " FLAGS = 0x%x\n", (int)GvFLAGS(sv)); |
a0d0e21e |
3402 | fprintf(stderr, " STASH = 0x%lx\n", (long)GvSTASH(sv)); |
3403 | fprintf(stderr, " EGV = 0x%lx\n", (long)GvEGV(sv)); |
8990e307 |
3404 | break; |
3405 | case SVt_PVIO: |
a0d0e21e |
3406 | fprintf(stderr, " IFP = 0x%lx\n", (long)IoIFP(sv)); |
3407 | fprintf(stderr, " OFP = 0x%lx\n", (long)IoOFP(sv)); |
3408 | fprintf(stderr, " DIRP = 0x%lx\n", (long)IoDIRP(sv)); |
8990e307 |
3409 | fprintf(stderr, " LINES = %ld\n", (long)IoLINES(sv)); |
3410 | fprintf(stderr, " PAGE = %ld\n", (long)IoPAGE(sv)); |
3411 | fprintf(stderr, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv)); |
3412 | fprintf(stderr, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv)); |
3413 | fprintf(stderr, " TOP_NAME = %s\n", IoTOP_NAME(sv)); |
a0d0e21e |
3414 | fprintf(stderr, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv)); |
8990e307 |
3415 | fprintf(stderr, " FMT_NAME = %s\n", IoFMT_NAME(sv)); |
a0d0e21e |
3416 | fprintf(stderr, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv)); |
8990e307 |
3417 | fprintf(stderr, " BOTTOM_NAME = %s\n", IoBOTTOM_NAME(sv)); |
a0d0e21e |
3418 | fprintf(stderr, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv)); |
8990e307 |
3419 | fprintf(stderr, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv)); |
3420 | fprintf(stderr, " TYPE = %c\n", IoTYPE(sv)); |
a0d0e21e |
3421 | fprintf(stderr, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv)); |
8990e307 |
3422 | break; |
3423 | } |
3424 | } |
2304df62 |
3425 | #else |
3426 | void |
3427 | sv_dump(sv) |
3428 | SV* sv; |
3429 | { |
3430 | } |
8990e307 |
3431 | #endif |
a0d0e21e |
3432 | |
3433 | IO* |
3434 | sv_2io(sv) |
3435 | SV *sv; |
3436 | { |
3437 | IO* io; |
3438 | GV* gv; |
3439 | |
3440 | switch (SvTYPE(sv)) { |
3441 | case SVt_PVIO: |
3442 | io = (IO*)sv; |
3443 | break; |
3444 | case SVt_PVGV: |
3445 | gv = (GV*)sv; |
3446 | io = GvIO(gv); |
3447 | if (!io) |
3448 | croak("Bad filehandle: %s", GvNAME(gv)); |
3449 | break; |
3450 | default: |
3451 | if (!SvOK(sv)) |
3452 | croak(no_usym, "filehandle"); |
3453 | if (SvROK(sv)) |
3454 | return sv_2io(SvRV(sv)); |
3455 | gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO); |
3456 | if (gv) |
3457 | io = GvIO(gv); |
3458 | else |
3459 | io = 0; |
3460 | if (!io) |
3461 | croak("Bad filehandle: %s", SvPV(sv,na)); |
3462 | break; |
3463 | } |
3464 | return io; |
3465 | } |
3466 | |