Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* scope.c |
79072805 | 2 | * |
1129b882 NC |
3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
4 | * 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others | |
79072805 LW |
5 | * |
6 | * You may distribute under the terms of either the GNU General Public | |
7 | * License or the Artistic License, as specified in the README file. | |
8 | * | |
a0d0e21e LW |
9 | */ |
10 | ||
11 | /* | |
4ac71550 TC |
12 | * For the fashion of Minas Tirith was such that it was built on seven |
13 | * levels... | |
14 | * | |
15 | * [p.751 of _The Lord of the Rings_, V/i: "Minas Tirith"] | |
79072805 LW |
16 | */ |
17 | ||
ddfa107c | 18 | /* This file contains functions to manipulate several of Perl's stacks; |
166f8a29 DM |
19 | * in particular it contains code to push various types of things onto |
20 | * the savestack, then to pop them off and perform the correct restorative | |
21 | * action for each one. This corresponds to the cleanup Perl does at | |
22 | * each scope exit. | |
23 | */ | |
24 | ||
79072805 | 25 | #include "EXTERN.h" |
864dbfa3 | 26 | #define PERL_IN_SCOPE_C |
79072805 | 27 | #include "perl.h" |
9f601cf3 | 28 | #include "feature.h" |
79072805 | 29 | |
a0d0e21e | 30 | SV** |
fc16c392 | 31 | Perl_stack_grow(pTHX_ SV **sp, SV **p, SSize_t n) |
a0d0e21e | 32 | { |
402d079e DM |
33 | SSize_t extra; |
34 | SSize_t current = (p - PL_stack_base); | |
35 | ||
7918f24d NC |
36 | PERL_ARGS_ASSERT_STACK_GROW; |
37 | ||
402d079e | 38 | if (UNLIKELY(n < 0)) |
6768377c | 39 | Perl_croak(aTHX_ |
147e3846 | 40 | "panic: stack_grow() negative count (%" IVdf ")", (IV)n); |
6768377c | 41 | |
3280af22 | 42 | PL_stack_sp = sp; |
402d079e DM |
43 | extra = |
44 | #ifdef STRESS_REALLOC | |
45 | 1; | |
2ce36478 | 46 | #else |
402d079e | 47 | 128; |
2ce36478 | 48 | #endif |
402d079e DM |
49 | /* If the total might wrap, panic instead. This is really testing |
50 | * that (current + n + extra < SSize_t_MAX), but done in a way that | |
51 | * can't wrap */ | |
52 | if (UNLIKELY( current > SSize_t_MAX - extra | |
53 | || current + extra > SSize_t_MAX - n | |
54 | )) | |
55 | /* diag_listed_as: Out of memory during %s extend */ | |
56 | Perl_croak(aTHX_ "Out of memory during stack extend"); | |
57 | ||
58 | av_extend(PL_curstack, current + n + extra); | |
87058c31 DM |
59 | #ifdef DEBUGGING |
60 | PL_curstackinfo->si_stack_hwm = current + n + extra; | |
61 | #endif | |
62 | ||
3280af22 | 63 | return PL_stack_sp; |
a0d0e21e LW |
64 | } |
65 | ||
2ce36478 SM |
66 | #ifndef STRESS_REALLOC |
67 | #define GROW(old) ((old) * 3 / 2) | |
68 | #else | |
69 | #define GROW(old) ((old) + 1) | |
70 | #endif | |
71 | ||
e336de0d | 72 | PERL_SI * |
864dbfa3 | 73 | Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems) |
e336de0d GS |
74 | { |
75 | PERL_SI *si; | |
a02a5408 | 76 | Newx(si, 1, PERL_SI); |
e336de0d GS |
77 | si->si_stack = newAV(); |
78 | AvREAL_off(si->si_stack); | |
79 | av_extend(si->si_stack, stitems > 0 ? stitems-1 : 0); | |
3280af22 | 80 | AvALLOC(si->si_stack)[0] = &PL_sv_undef; |
e336de0d GS |
81 | AvFILLp(si->si_stack) = 0; |
82 | si->si_prev = 0; | |
83 | si->si_next = 0; | |
84 | si->si_cxmax = cxitems - 1; | |
85 | si->si_cxix = -1; | |
5b6f7443 | 86 | si->si_cxsubix = -1; |
e788e7d3 | 87 | si->si_type = PERLSI_UNDEF; |
a02a5408 | 88 | Newx(si->si_cxstack, cxitems, PERL_CONTEXT); |
490576d1 | 89 | /* Without any kind of initialising CX_PUSHSUBST() |
9965345d | 90 | * in pp_subst() will read uninitialised heap. */ |
7e337ee0 | 91 | PoisonNew(si->si_cxstack, cxitems, PERL_CONTEXT); |
e336de0d GS |
92 | return si; |
93 | } | |
94 | ||
79072805 | 95 | I32 |
864dbfa3 | 96 | Perl_cxinc(pTHX) |
79072805 | 97 | { |
a3b680e6 | 98 | const IV old_max = cxstack_max; |
00195859 HS |
99 | const IV new_max = GROW(cxstack_max); |
100 | Renew(cxstack, new_max + 1, PERL_CONTEXT); | |
101 | cxstack_max = new_max; | |
9965345d JH |
102 | /* Without any kind of initialising deep enough recursion |
103 | * will end up reading uninitialised PERL_CONTEXTs. */ | |
00195859 | 104 | PoisonNew(cxstack + old_max + 1, new_max - old_max, PERL_CONTEXT); |
79072805 LW |
105 | return cxstack_ix + 1; |
106 | } | |
107 | ||
f58e1f6c | 108 | /* |
e446bf93 | 109 | =for apidoc_section $callback |
f58e1f6c KW |
110 | =for apidoc push_scope |
111 | ||
112 | Implements L<perlapi/C<ENTER>> | |
113 | ||
114 | =cut | |
115 | */ | |
116 | ||
79072805 | 117 | void |
864dbfa3 | 118 | Perl_push_scope(pTHX) |
79072805 | 119 | { |
5d9574c1 | 120 | if (UNLIKELY(PL_scopestack_ix == PL_scopestack_max)) { |
00195859 | 121 | const IV new_max = GROW(PL_scopestack_max); |
1604cfb0 | 122 | Renew(PL_scopestack, new_max, I32); |
d343c3ef | 123 | #ifdef DEBUGGING |
1604cfb0 | 124 | Renew(PL_scopestack_name, new_max, const char*); |
520bb150 | 125 | #endif |
1604cfb0 | 126 | PL_scopestack_max = new_max; |
79072805 | 127 | } |
d343c3ef GG |
128 | #ifdef DEBUGGING |
129 | PL_scopestack_name[PL_scopestack_ix] = "unknown"; | |
130 | #endif | |
3280af22 | 131 | PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix; |
79072805 LW |
132 | |
133 | } | |
134 | ||
f58e1f6c | 135 | /* |
e446bf93 | 136 | =for apidoc_section $callback |
f58e1f6c KW |
137 | =for apidoc pop_scope |
138 | ||
139 | Implements L<perlapi/C<LEAVE>> | |
140 | ||
141 | =cut | |
142 | */ | |
143 | ||
79072805 | 144 | void |
864dbfa3 | 145 | Perl_pop_scope(pTHX) |
79072805 | 146 | { |
35a4481c | 147 | const I32 oldsave = PL_scopestack[--PL_scopestack_ix]; |
8990e307 | 148 | LEAVE_SCOPE(oldsave); |
79072805 LW |
149 | } |
150 | ||
ba5248fc | 151 | I32 * |
864dbfa3 | 152 | Perl_markstack_grow(pTHX) |
a0d0e21e | 153 | { |
35a4481c AL |
154 | const I32 oldmax = PL_markstack_max - PL_markstack; |
155 | const I32 newmax = GROW(oldmax); | |
a0d0e21e | 156 | |
3280af22 | 157 | Renew(PL_markstack, newmax, I32); |
3280af22 | 158 | PL_markstack_max = PL_markstack + newmax; |
ba5248fc | 159 | PL_markstack_ptr = PL_markstack + oldmax; |
30773234 | 160 | DEBUG_s(DEBUG_v(PerlIO_printf(Perl_debug_log, |
147e3846 | 161 | "MARK grow %p %" IVdf " by %" IVdf "\n", |
30773234 | 162 | PL_markstack_ptr, (IV)*PL_markstack_ptr, (IV)oldmax))); |
ba5248fc | 163 | return PL_markstack_ptr; |
a0d0e21e LW |
164 | } |
165 | ||
166 | void | |
864dbfa3 | 167 | Perl_savestack_grow(pTHX) |
79072805 | 168 | { |
00195859 | 169 | IV new_max; |
49706441 | 170 | #ifdef STRESS_REALLOC |
00195859 | 171 | new_max = PL_savestack_max + SS_MAXPUSH; |
49706441 | 172 | #else |
00195859 | 173 | new_max = GROW(PL_savestack_max); |
49706441 | 174 | #endif |
3caf0269 DM |
175 | /* Note that we allocate SS_MAXPUSH slots higher than ss_max |
176 | * so that SS_ADD_END(), SSGROW() etc can do a simper check */ | |
00195859 HS |
177 | Renew(PL_savestack, new_max + SS_MAXPUSH, ANY); |
178 | PL_savestack_max = new_max; | |
79072805 LW |
179 | } |
180 | ||
4b3c1a47 AE |
181 | void |
182 | Perl_savestack_grow_cnt(pTHX_ I32 need) | |
183 | { | |
00195859 | 184 | const IV new_max = PL_savestack_ix + need; |
3caf0269 DM |
185 | /* Note that we allocate SS_MAXPUSH slots higher than ss_max |
186 | * so that SS_ADD_END(), SSGROW() etc can do a simper check */ | |
00195859 HS |
187 | Renew(PL_savestack, new_max + SS_MAXPUSH, ANY); |
188 | PL_savestack_max = new_max; | |
4b3c1a47 AE |
189 | } |
190 | ||
2ce36478 SM |
191 | #undef GROW |
192 | ||
a953aca5 DD |
193 | /* The original function was called Perl_tmps_grow and was removed from public |
194 | API, Perl_tmps_grow_p is the replacement and it used in public macros but | |
195 | isn't public itself. | |
196 | ||
197 | Perl_tmps_grow_p takes a proposed ix. A proposed ix is PL_tmps_ix + extend_by, | |
198 | where the result of (PL_tmps_ix + extend_by) is >= PL_tmps_max | |
199 | Upon return, PL_tmps_stack[ix] will be a valid address. For machine code | |
200 | optimization and register usage reasons, the proposed ix passed into | |
201 | tmps_grow is returned to the caller which the caller can then use to write | |
202 | an SV * to PL_tmps_stack[ix]. If the caller was using tmps_grow in | |
203 | pre-extend mode (EXTEND_MORTAL macro), then it ignores the return value of | |
204 | tmps_grow. Note, tmps_grow DOES NOT write ix to PL_tmps_ix, the caller | |
205 | must assign ix or ret val of tmps_grow to PL_temps_ix themselves if that is | |
206 | appropriate. The assignment to PL_temps_ix can happen before or after | |
207 | tmps_grow call since tmps_grow doesn't look at PL_tmps_ix. | |
208 | */ | |
209 | ||
210 | SSize_t | |
211 | Perl_tmps_grow_p(pTHX_ SSize_t ix) | |
677b06e3 | 212 | { |
a953aca5 | 213 | SSize_t extend_to = ix; |
677b06e3 | 214 | #ifndef STRESS_REALLOC |
a953aca5 | 215 | if (ix - PL_tmps_max < 128) |
1604cfb0 | 216 | extend_to += (PL_tmps_max < 512) ? 128 : 512; |
677b06e3 | 217 | #endif |
00195859 | 218 | Renew(PL_tmps_stack, extend_to + 1, SV*); |
a953aca5 | 219 | PL_tmps_max = extend_to + 1; |
a953aca5 | 220 | return ix; |
677b06e3 GS |
221 | } |
222 | ||
223 | ||
224 | void | |
864dbfa3 | 225 | Perl_free_tmps(pTHX) |
79072805 LW |
226 | { |
227 | /* XXX should tmps_floor live in cxstack? */ | |
e8eb279c | 228 | const SSize_t myfloor = PL_tmps_floor; |
3280af22 | 229 | while (PL_tmps_ix > myfloor) { /* clean up after last statement */ |
1604cfb0 | 230 | SV* const sv = PL_tmps_stack[PL_tmps_ix--]; |
72581b5b | 231 | #ifdef PERL_POISON |
1604cfb0 | 232 | PoisonWith(PL_tmps_stack + PL_tmps_ix + 1, 1, SV *, 0xAB); |
22ade07d | 233 | #endif |
1604cfb0 MS |
234 | if (LIKELY(sv)) { |
235 | SvTEMP_off(sv); | |
236 | SvREFCNT_dec_NN(sv); /* note, can modify tmps_ix!!! */ | |
237 | } | |
79072805 LW |
238 | } |
239 | } | |
240 | ||
077e4a84 KW |
241 | /* |
242 | =for apidoc save_scalar_at | |
243 | ||
244 | A helper function for localizing the SV referenced by C<*sptr>. | |
245 | ||
246 | If C<SAVEf_KEEPOLDELEM> is set in in C<flags>, the function returns the input | |
247 | scalar untouched. | |
248 | ||
249 | Otherwise it replaces C<*sptr> with a new C<undef> scalar, and returns that. | |
250 | The new scalar will have the old one's magic (if any) copied to it. | |
251 | If there is such magic, and C<SAVEf_SETMAGIC> is set in in C<flags>, 'set' | |
252 | magic will be processed on the new scalar. If unset, 'set' magic will be | |
253 | skipped. The latter typically means that assignment will soon follow (I<e.g.>, | |
254 | S<C<'local $x = $y'>>), and that will handle the magic. | |
255 | ||
256 | =for apidoc Amnh ||SAVEf_KEEPOLDELEM | |
257 | =for apidoc Amnh ||SAVEf_SETMAGIC | |
258 | ||
259 | =cut | |
260 | */ | |
261 | ||
76e3520e | 262 | STATIC SV * |
af7df257 | 263 | S_save_scalar_at(pTHX_ SV **sptr, const U32 flags) |
79072805 | 264 | { |
75d34a09 | 265 | SV * osv; |
eb578fdb | 266 | SV *sv; |
79072805 | 267 | |
7918f24d NC |
268 | PERL_ARGS_ASSERT_SAVE_SCALAR_AT; |
269 | ||
75d34a09 | 270 | osv = *sptr; |
3c84a230 DM |
271 | if (flags & SAVEf_KEEPOLDELEM) |
272 | sv = osv; | |
273 | else { | |
8fcb2425 | 274 | sv = (*sptr = newSV_type(SVt_NULL)); |
3c84a230 DM |
275 | if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv)) |
276 | mg_localize(osv, sv, cBOOL(flags & SAVEf_SETMAGIC)); | |
79072805 | 277 | } |
75d34a09 | 278 | |
79072805 LW |
279 | return sv; |
280 | } | |
281 | ||
dfcd3de5 NC |
282 | void |
283 | Perl_save_pushptrptr(pTHX_ void *const ptr1, void *const ptr2, const int type) | |
e22024d3 | 284 | { |
a3444cc5 DM |
285 | dSS_ADD; |
286 | SS_ADD_PTR(ptr1); | |
287 | SS_ADD_PTR(ptr2); | |
288 | SS_ADD_UV(type); | |
289 | SS_ADD_END(3); | |
e22024d3 NC |
290 | } |
291 | ||
7a4c00b4 | 292 | SV * |
864dbfa3 | 293 | Perl_save_scalar(pTHX_ GV *gv) |
7a4c00b4 | 294 | { |
13c59d41 | 295 | SV ** const sptr = &GvSVn(gv); |
7918f24d NC |
296 | |
297 | PERL_ARGS_ASSERT_SAVE_SCALAR; | |
298 | ||
13c59d41 | 299 | if (UNLIKELY(SvGMAGICAL(*sptr))) { |
b492a59e | 300 | PL_localizing = 1; |
13c59d41 | 301 | (void)mg_get(*sptr); |
b492a59e DM |
302 | PL_localizing = 0; |
303 | } | |
13c59d41 MH |
304 | save_pushptrptr(SvREFCNT_inc_simple(gv), SvREFCNT_inc(*sptr), SAVEt_SV); |
305 | return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */ | |
7a4c00b4 | 306 | } |
307 | ||
e446bf93 KW |
308 | /* |
309 | =for apidoc save_generic_svref | |
310 | ||
311 | Implements C<SAVEGENERICSV>. | |
312 | ||
313 | Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to | |
314 | restore a global SV to its prior contents, freeing new value. | |
315 | ||
316 | =cut | |
317 | */ | |
318 | ||
b9d12d37 | 319 | void |
864dbfa3 | 320 | Perl_save_generic_svref(pTHX_ SV **sptr) |
b9d12d37 | 321 | { |
7918f24d NC |
322 | PERL_ARGS_ASSERT_SAVE_GENERIC_SVREF; |
323 | ||
e22024d3 | 324 | save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_GENERIC_SVREF); |
b9d12d37 GS |
325 | } |
326 | ||
e446bf93 KW |
327 | /* |
328 | =for apidoc_section $callback | |
329 | =for apidoc save_generic_pvref | |
330 | ||
331 | Implements C<SAVEGENERICPV>. | |
332 | ||
333 | Like save_pptr(), but also Safefree()s the new value if it is different | |
334 | from the old one. Can be used to restore a global char* to its prior | |
335 | contents, freeing new value. | |
336 | ||
337 | =cut | |
338 | */ | |
339 | ||
f4dd75d9 GS |
340 | void |
341 | Perl_save_generic_pvref(pTHX_ char **str) | |
342 | { | |
7918f24d NC |
343 | PERL_ARGS_ASSERT_SAVE_GENERIC_PVREF; |
344 | ||
e22024d3 | 345 | save_pushptrptr(*str, str, SAVEt_GENERIC_PVREF); |
f4dd75d9 GS |
346 | } |
347 | ||
e446bf93 KW |
348 | /* |
349 | =for apidoc_section $callback | |
350 | =for apidoc save_shared_pvref | |
351 | ||
352 | Implements C<SAVESHAREDPV>. | |
353 | ||
354 | Like save_generic_pvref(), but uses PerlMemShared_free() rather than Safefree(). | |
355 | Can be used to restore a shared global char* to its prior | |
356 | contents, freeing new value. | |
357 | ||
358 | =cut | |
359 | */ | |
360 | ||
05ec9bb3 NIS |
361 | void |
362 | Perl_save_shared_pvref(pTHX_ char **str) | |
363 | { | |
7918f24d NC |
364 | PERL_ARGS_ASSERT_SAVE_SHARED_PVREF; |
365 | ||
e22024d3 | 366 | save_pushptrptr(str, *str, SAVEt_SHARED_PVREF); |
05ec9bb3 NIS |
367 | } |
368 | ||
e446bf93 KW |
369 | |
370 | /* | |
371 | =for apidoc_section $callback | |
372 | =for apidoc save_set_svflags | |
373 | ||
374 | Implements C<SAVESETSVFLAGS>. | |
375 | ||
376 | Set the SvFLAGS specified by mask to the values in val | |
377 | ||
378 | =cut | |
379 | */ | |
14f338dc DM |
380 | |
381 | void | |
382 | Perl_save_set_svflags(pTHX_ SV* sv, U32 mask, U32 val) | |
383 | { | |
a3444cc5 | 384 | dSS_ADD; |
7918f24d NC |
385 | |
386 | PERL_ARGS_ASSERT_SAVE_SET_SVFLAGS; | |
387 | ||
a3444cc5 DM |
388 | SS_ADD_PTR(sv); |
389 | SS_ADD_INT(mask); | |
390 | SS_ADD_INT(val); | |
391 | SS_ADD_UV(SAVEt_SET_SVFLAGS); | |
392 | SS_ADD_END(4); | |
14f338dc DM |
393 | } |
394 | ||
364bbfa4 | 395 | /* |
d4f04357 | 396 | |
3f620621 | 397 | =for apidoc_section $GV |
d4f04357 | 398 | |
364bbfa4 TC |
399 | =for apidoc save_gp |
400 | ||
401 | Saves the current GP of gv on the save stack to be restored on scope exit. | |
402 | ||
06ecdb43 | 403 | If C<empty> is true, replace the GP with a new GP. |
364bbfa4 | 404 | |
780fa0f3 | 405 | If C<empty> is false, mark C<gv> with C<GVf_INTRO> so the next reference |
06ecdb43 | 406 | assigned is localized, which is how S<C< local *foo = $someref; >> works. |
364bbfa4 TC |
407 | |
408 | =cut | |
409 | */ | |
410 | ||
79072805 | 411 | void |
864dbfa3 | 412 | Perl_save_gp(pTHX_ GV *gv, I32 empty) |
79072805 | 413 | { |
7918f24d NC |
414 | PERL_ARGS_ASSERT_SAVE_GP; |
415 | ||
6881372e FC |
416 | /* XXX For now, we just upgrade any coderef in the stash to a full GV |
417 | during localisation. Maybe at some point we could make localis- | |
418 | ation work without needing the upgrade. (In which case our | |
419 | callers should probably call a different function, not save_gp.) | |
420 | */ | |
421 | if (!isGV(gv)) { | |
422 | assert(isGV_or_RVCV(gv)); | |
423 | (void)CvGV(SvRV((SV *)gv)); /* CvGV does the upgrade */ | |
424 | assert(isGV(gv)); | |
425 | } | |
426 | ||
10507e11 | 427 | save_pushptrptr(SvREFCNT_inc(gv), GvGP(gv), SAVEt_GP); |
79072805 | 428 | |
5f05dabc | 429 | if (empty) { |
1604cfb0 MS |
430 | GP *gp = Perl_newGP(aTHX_ gv); |
431 | HV * const stash = GvSTASH(gv); | |
432 | bool isa_changed = 0; | |
433 | ||
434 | if (stash && HvENAME(stash)) { | |
435 | if (memEQs(GvNAME(gv), GvNAMELEN(gv), "ISA")) | |
436 | isa_changed = TRUE; | |
437 | else if (GvCVu(gv)) | |
438 | /* taking a method out of circulation ("local")*/ | |
3d460042 | 439 | mro_method_changed_in(stash); |
1604cfb0 MS |
440 | } |
441 | if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) { | |
442 | gp->gp_io = newIO(); | |
443 | IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START; | |
444 | } | |
445 | GvGP_set(gv,gp); | |
446 | if (isa_changed) mro_isa_changed_in(stash); | |
5f05dabc | 447 | } |
448 | else { | |
1604cfb0 MS |
449 | gp_ref(GvGP(gv)); |
450 | GvINTRO_on(gv); | |
5f05dabc | 451 | } |
79072805 | 452 | } |
79072805 | 453 | |
79072805 | 454 | AV * |
864dbfa3 | 455 | Perl_save_ary(pTHX_ GV *gv) |
79072805 | 456 | { |
901017d6 | 457 | AV * const oav = GvAVn(gv); |
67a38de0 | 458 | AV *av; |
fb73857a | 459 | |
7918f24d NC |
460 | PERL_ARGS_ASSERT_SAVE_ARY; |
461 | ||
5d9574c1 | 462 | if (UNLIKELY(!AvREAL(oav) && AvREIFY(oav))) |
1604cfb0 | 463 | av_reify(oav); |
01433346 | 464 | save_pushptrptr(SvREFCNT_inc_simple_NN(gv), oav, SAVEt_AV); |
79072805 | 465 | |
4608196e | 466 | GvAV(gv) = NULL; |
fb73857a | 467 | av = GvAVn(gv); |
5d9574c1 | 468 | if (UNLIKELY(SvMAGIC(oav))) |
1604cfb0 | 469 | mg_localize(MUTABLE_SV(oav), MUTABLE_SV(av), TRUE); |
fb73857a | 470 | return av; |
79072805 LW |
471 | } |
472 | ||
473 | HV * | |
864dbfa3 | 474 | Perl_save_hash(pTHX_ GV *gv) |
79072805 | 475 | { |
fb73857a | 476 | HV *ohv, *hv; |
477 | ||
7918f24d NC |
478 | PERL_ARGS_ASSERT_SAVE_HASH; |
479 | ||
01433346 | 480 | save_pushptrptr( |
1604cfb0 | 481 | SvREFCNT_inc_simple_NN(gv), (ohv = GvHVn(gv)), SAVEt_HV |
01433346 | 482 | ); |
79072805 | 483 | |
4608196e | 484 | GvHV(gv) = NULL; |
fb73857a | 485 | hv = GvHVn(gv); |
5d9574c1 | 486 | if (UNLIKELY(SvMAGIC(ohv))) |
1604cfb0 | 487 | mg_localize(MUTABLE_SV(ohv), MUTABLE_SV(hv), TRUE); |
fb73857a | 488 | return hv; |
79072805 LW |
489 | } |
490 | ||
491 | void | |
5aaab254 | 492 | Perl_save_item(pTHX_ SV *item) |
79072805 | 493 | { |
eb578fdb | 494 | SV * const sv = newSVsv(item); |
79072805 | 495 | |
7918f24d NC |
496 | PERL_ARGS_ASSERT_SAVE_ITEM; |
497 | ||
e22024d3 | 498 | save_pushptrptr(item, /* remember the pointer */ |
1604cfb0 MS |
499 | sv, /* remember the value */ |
500 | SAVEt_ITEM); | |
79072805 LW |
501 | } |
502 | ||
503 | void | |
1409bc06 | 504 | Perl_save_bool(pTHX_ bool *boolp) |
79072805 | 505 | { |
a3444cc5 | 506 | dSS_ADD; |
7918f24d | 507 | |
1409bc06 | 508 | PERL_ARGS_ASSERT_SAVE_BOOL; |
7918f24d | 509 | |
a3444cc5 DM |
510 | SS_ADD_PTR(boolp); |
511 | SS_ADD_UV(SAVEt_BOOL | (*boolp << 8)); | |
512 | SS_ADD_END(2); | |
1409bc06 NC |
513 | } |
514 | ||
7623d426 NC |
515 | void |
516 | Perl_save_pushi32ptr(pTHX_ const I32 i, void *const ptr, const int type) | |
1409bc06 | 517 | { |
a3444cc5 DM |
518 | dSS_ADD; |
519 | ||
520 | SS_ADD_INT(i); | |
521 | SS_ADD_PTR(ptr); | |
522 | SS_ADD_UV(type); | |
523 | SS_ADD_END(3); | |
79072805 LW |
524 | } |
525 | ||
526 | void | |
1409bc06 | 527 | Perl_save_int(pTHX_ int *intp) |
9febdf04 | 528 | { |
d172696c | 529 | const int i = *intp; |
9b139d09 | 530 | UV type = ((UV)((UV)i << SAVE_TIGHT_SHIFT) | SAVEt_INT_SMALL); |
d172696c DM |
531 | int size = 2; |
532 | dSS_ADD; | |
7918f24d | 533 | |
1409bc06 | 534 | PERL_ARGS_ASSERT_SAVE_INT; |
7918f24d | 535 | |
5d9574c1 | 536 | if (UNLIKELY((int)(type >> SAVE_TIGHT_SHIFT) != i)) { |
d172696c DM |
537 | SS_ADD_INT(i); |
538 | type = SAVEt_INT; | |
539 | size++; | |
540 | } | |
541 | SS_ADD_PTR(intp); | |
542 | SS_ADD_UV(type); | |
543 | SS_ADD_END(size); | |
9febdf04 RH |
544 | } |
545 | ||
546 | void | |
58188858 RGS |
547 | Perl_save_I8(pTHX_ I8 *bytep) |
548 | { | |
a3444cc5 | 549 | dSS_ADD; |
7918f24d NC |
550 | |
551 | PERL_ARGS_ASSERT_SAVE_I8; | |
552 | ||
a3444cc5 DM |
553 | SS_ADD_PTR(bytep); |
554 | SS_ADD_UV(SAVEt_I8 | ((UV)*bytep << 8)); | |
555 | SS_ADD_END(2); | |
58188858 RGS |
556 | } |
557 | ||
558 | void | |
87a84751 JH |
559 | Perl_save_I16(pTHX_ I16 *intp) |
560 | { | |
a3444cc5 | 561 | dSS_ADD; |
7918f24d NC |
562 | |
563 | PERL_ARGS_ASSERT_SAVE_I16; | |
564 | ||
a3444cc5 DM |
565 | SS_ADD_PTR(intp); |
566 | SS_ADD_UV(SAVEt_I16 | ((UV)*intp << 8)); | |
567 | SS_ADD_END(2); | |
87a84751 JH |
568 | } |
569 | ||
570 | void | |
864dbfa3 | 571 | Perl_save_I32(pTHX_ I32 *intp) |
79072805 | 572 | { |
d172696c | 573 | const I32 i = *intp; |
9b139d09 | 574 | UV type = ((I32)((U32)i << SAVE_TIGHT_SHIFT) | SAVEt_I32_SMALL); |
d172696c DM |
575 | int size = 2; |
576 | dSS_ADD; | |
7918f24d NC |
577 | |
578 | PERL_ARGS_ASSERT_SAVE_I32; | |
579 | ||
5d9574c1 | 580 | if (UNLIKELY((I32)(type >> SAVE_TIGHT_SHIFT) != i)) { |
d172696c DM |
581 | SS_ADD_INT(i); |
582 | type = SAVEt_I32; | |
583 | size++; | |
584 | } | |
585 | SS_ADD_PTR(intp); | |
586 | SS_ADD_UV(type); | |
587 | SS_ADD_END(size); | |
79072805 LW |
588 | } |
589 | ||
e8eb279c FC |
590 | void |
591 | Perl_save_strlen(pTHX_ STRLEN *ptr) | |
592 | { | |
8462890b PE |
593 | const IV i = *ptr; |
594 | UV type = ((I32)((U32)i << SAVE_TIGHT_SHIFT) | SAVEt_STRLEN_SMALL); | |
595 | int size = 2; | |
e8eb279c FC |
596 | dSS_ADD; |
597 | ||
598 | PERL_ARGS_ASSERT_SAVE_STRLEN; | |
599 | ||
8462890b PE |
600 | if (UNLIKELY((I32)(type >> SAVE_TIGHT_SHIFT) != i)) { |
601 | SS_ADD_IV(*ptr); | |
602 | type = SAVEt_STRLEN; | |
603 | size++; | |
604 | } | |
605 | ||
e8eb279c | 606 | SS_ADD_PTR(ptr); |
8462890b PE |
607 | SS_ADD_UV(type); |
608 | SS_ADD_END(size); | |
e8eb279c FC |
609 | } |
610 | ||
f8c11501 FC |
611 | void |
612 | Perl_save_iv(pTHX_ IV *ivp) | |
613 | { | |
614 | PERL_ARGS_ASSERT_SAVE_IV; | |
615 | ||
616 | SSCHECK(3); | |
617 | SSPUSHIV(*ivp); | |
618 | SSPUSHPTR(ivp); | |
619 | SSPUSHUV(SAVEt_IV); | |
620 | } | |
621 | ||
85e6fe83 LW |
622 | /* Cannot use save_sptr() to store a char* since the SV** cast will |
623 | * force word-alignment and we'll miss the pointer. | |
624 | */ | |
625 | void | |
864dbfa3 | 626 | Perl_save_pptr(pTHX_ char **pptr) |
85e6fe83 | 627 | { |
7918f24d NC |
628 | PERL_ARGS_ASSERT_SAVE_PPTR; |
629 | ||
e22024d3 | 630 | save_pushptrptr(*pptr, pptr, SAVEt_PPTR); |
85e6fe83 LW |
631 | } |
632 | ||
e446bf93 KW |
633 | /* |
634 | =for apidoc_section $callback | |
635 | =for apidoc save_vptr | |
636 | ||
637 | Implements C<SAVEVPTR>. | |
638 | ||
639 | =cut | |
640 | */ | |
641 | ||
79072805 | 642 | void |
146174a9 CB |
643 | Perl_save_vptr(pTHX_ void *ptr) |
644 | { | |
7918f24d NC |
645 | PERL_ARGS_ASSERT_SAVE_VPTR; |
646 | ||
e22024d3 | 647 | save_pushptrptr(*(char**)ptr, ptr, SAVEt_VPTR); |
146174a9 CB |
648 | } |
649 | ||
650 | void | |
864dbfa3 | 651 | Perl_save_sptr(pTHX_ SV **sptr) |
79072805 | 652 | { |
7918f24d NC |
653 | PERL_ARGS_ASSERT_SAVE_SPTR; |
654 | ||
e22024d3 | 655 | save_pushptrptr(*sptr, sptr, SAVEt_SPTR); |
79072805 LW |
656 | } |
657 | ||
e446bf93 KW |
658 | /* |
659 | =for apidoc_section $callback | |
660 | =for apidoc save_padsv_and_mortalize | |
661 | ||
662 | Implements C<SAVEPADSVANDMORTALIZE>. | |
663 | ||
664 | =cut | |
665 | */ | |
666 | ||
c3564e5c | 667 | void |
09edbca0 | 668 | Perl_save_padsv_and_mortalize(pTHX_ PADOFFSET off) |
c3564e5c | 669 | { |
a3444cc5 DM |
670 | dSS_ADD; |
671 | ||
f3548bdc | 672 | ASSERT_CURPAD_ACTIVE("save_padsv"); |
a3444cc5 DM |
673 | SS_ADD_PTR(SvREFCNT_inc_simple_NN(PL_curpad[off])); |
674 | SS_ADD_PTR(PL_comppad); | |
03dba561 | 675 | SS_ADD_UV((UV)off); |
a3444cc5 DM |
676 | SS_ADD_UV(SAVEt_PADSV_AND_MORTALIZE); |
677 | SS_ADD_END(4); | |
c3564e5c GS |
678 | } |
679 | ||
79072805 | 680 | void |
864dbfa3 | 681 | Perl_save_hptr(pTHX_ HV **hptr) |
79072805 | 682 | { |
7918f24d NC |
683 | PERL_ARGS_ASSERT_SAVE_HPTR; |
684 | ||
e22024d3 | 685 | save_pushptrptr(*hptr, hptr, SAVEt_HPTR); |
79072805 LW |
686 | } |
687 | ||
688 | void | |
864dbfa3 | 689 | Perl_save_aptr(pTHX_ AV **aptr) |
79072805 | 690 | { |
7918f24d NC |
691 | PERL_ARGS_ASSERT_SAVE_APTR; |
692 | ||
e22024d3 | 693 | save_pushptrptr(*aptr, aptr, SAVEt_APTR); |
79072805 LW |
694 | } |
695 | ||
4601e425 KW |
696 | /* |
697 | =for apidoc_section $callback | |
698 | =for apidoc save_pushptr | |
699 | ||
700 | The refcnt of object C<ptr> will be decremented at the end of the current | |
701 | I<pseudo-block>. C<type> gives the type of C<ptr>, expressed as one of the | |
702 | constants in F<scope.h> whose name begins with C<SAVEt_>. | |
703 | ||
704 | This is the underlying implementation of several macros, like | |
705 | C<SAVEFREESV>. | |
706 | ||
707 | =cut | |
708 | */ | |
709 | ||
79072805 | 710 | void |
2fd8beea | 711 | Perl_save_pushptr(pTHX_ void *const ptr, const int type) |
8990e307 | 712 | { |
a3444cc5 DM |
713 | dSS_ADD; |
714 | SS_ADD_PTR(ptr); | |
715 | SS_ADD_UV(type); | |
716 | SS_ADD_END(2); | |
8990e307 LW |
717 | } |
718 | ||
719 | void | |
864dbfa3 | 720 | Perl_save_clearsv(pTHX_ SV **svp) |
8990e307 | 721 | { |
cdcdfc56 NC |
722 | const UV offset = svp - PL_curpad; |
723 | const UV offset_shifted = offset << SAVE_TIGHT_SHIFT; | |
7918f24d NC |
724 | |
725 | PERL_ARGS_ASSERT_SAVE_CLEARSV; | |
726 | ||
f3548bdc | 727 | ASSERT_CURPAD_ACTIVE("save_clearsv"); |
623e28c6 | 728 | SvPADSTALE_off(*svp); /* mark lexical as active */ |
5d9574c1 | 729 | if (UNLIKELY((offset_shifted >> SAVE_TIGHT_SHIFT) != offset)) { |
1604cfb0 MS |
730 | Perl_croak(aTHX_ "panic: pad offset %" UVuf " out of range (%p-%p)", |
731 | offset, svp, PL_curpad); | |
a3444cc5 | 732 | } |
cdcdfc56 | 733 | |
a3444cc5 DM |
734 | { |
735 | dSS_ADD; | |
736 | SS_ADD_UV(offset_shifted | SAVEt_CLEARSV); | |
737 | SS_ADD_END(1); | |
738 | } | |
8990e307 LW |
739 | } |
740 | ||
741 | void | |
864dbfa3 | 742 | Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen) |
8990e307 | 743 | { |
7918f24d NC |
744 | PERL_ARGS_ASSERT_SAVE_DELETE; |
745 | ||
85a721ca | 746 | save_pushptri32ptr(key, klen, SvREFCNT_inc_simple(hv), SAVEt_DELETE); |
8990e307 LW |
747 | } |
748 | ||
aaa067ea KW |
749 | /* |
750 | =for apidoc_section $callback | |
751 | =for apidoc save_hdelete | |
752 | ||
753 | Implements C<SAVEHDELETE>. | |
754 | ||
755 | =cut | |
756 | */ | |
757 | ||
8990e307 | 758 | void |
af097752 VP |
759 | Perl_save_hdelete(pTHX_ HV *hv, SV *keysv) |
760 | { | |
761 | STRLEN len; | |
762 | I32 klen; | |
763 | const char *key; | |
764 | ||
765 | PERL_ARGS_ASSERT_SAVE_HDELETE; | |
766 | ||
767 | key = SvPV_const(keysv, len); | |
768 | klen = SvUTF8(keysv) ? -(I32)len : (I32)len; | |
769 | SvREFCNT_inc_simple_void_NN(hv); | |
770 | save_pushptri32ptr(savepvn(key, len), klen, hv, SAVEt_DELETE); | |
771 | } | |
772 | ||
aaa067ea KW |
773 | /* |
774 | =for apidoc_section $callback | |
775 | =for apidoc save_adelete | |
776 | ||
777 | Implements C<SAVEADELETE>. | |
778 | ||
779 | =cut | |
780 | */ | |
781 | ||
af097752 | 782 | void |
c70927a6 | 783 | Perl_save_adelete(pTHX_ AV *av, SSize_t key) |
c68ec7a9 | 784 | { |
c70927a6 | 785 | dSS_ADD; |
c68ec7a9 VP |
786 | |
787 | PERL_ARGS_ASSERT_SAVE_ADELETE; | |
788 | ||
789 | SvREFCNT_inc_void(av); | |
c70927a6 FC |
790 | SS_ADD_UV(key); |
791 | SS_ADD_PTR(av); | |
792 | SS_ADD_IV(SAVEt_ADELETE); | |
793 | SS_ADD_END(3); | |
c68ec7a9 VP |
794 | } |
795 | ||
796 | void | |
12ab1f58 JH |
797 | Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p) |
798 | { | |
a3444cc5 | 799 | dSS_ADD; |
7918f24d NC |
800 | PERL_ARGS_ASSERT_SAVE_DESTRUCTOR; |
801 | ||
a3444cc5 DM |
802 | SS_ADD_DPTR(f); |
803 | SS_ADD_PTR(p); | |
804 | SS_ADD_UV(SAVEt_DESTRUCTOR); | |
805 | SS_ADD_END(3); | |
12ab1f58 JH |
806 | } |
807 | ||
808 | void | |
146174a9 CB |
809 | Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p) |
810 | { | |
a3444cc5 DM |
811 | dSS_ADD; |
812 | ||
813 | SS_ADD_DXPTR(f); | |
814 | SS_ADD_PTR(p); | |
815 | SS_ADD_UV(SAVEt_DESTRUCTOR_X); | |
816 | SS_ADD_END(3); | |
146174a9 CB |
817 | } |
818 | ||
e446bf93 KW |
819 | /* |
820 | =for apidoc_section $callback | |
821 | =for apidoc save_hints | |
822 | ||
823 | Implements C<SAVEHINTS>. | |
824 | ||
825 | =cut | |
826 | */ | |
827 | ||
146174a9 | 828 | void |
da8315f8 NC |
829 | Perl_save_hints(pTHX) |
830 | { | |
20439bc7 | 831 | COPHH *save_cophh = cophh_copy(CopHINTHASH_get(&PL_compiling)); |
da8315f8 | 832 | if (PL_hints & HINT_LOCALIZE_HH) { |
1604cfb0 | 833 | HV *oldhh = GvHV(PL_hintgv); |
6c148c86 PE |
834 | { |
835 | dSS_ADD; | |
836 | SS_ADD_INT(PL_hints); | |
837 | SS_ADD_PTR(save_cophh); | |
838 | SS_ADD_PTR(oldhh); | |
78efaf03 | 839 | SS_ADD_UV(SAVEt_HINTS_HH | (PL_prevailing_version << 8)); |
6c148c86 PE |
840 | SS_ADD_END(4); |
841 | } | |
1604cfb0 MS |
842 | GvHV(PL_hintgv) = NULL; /* in case copying dies */ |
843 | GvHV(PL_hintgv) = hv_copy_hints_hv(oldhh); | |
9f601cf3 | 844 | SAVEFEATUREBITS(); |
be84297e | 845 | } else { |
78efaf03 | 846 | save_pushi32ptr(PL_hints, save_cophh, SAVEt_HINTS | (PL_prevailing_version << 8)); |
da8315f8 | 847 | } |
be84297e NC |
848 | } |
849 | ||
850 | static void | |
851 | S_save_pushptri32ptr(pTHX_ void *const ptr1, const I32 i, void *const ptr2, | |
1604cfb0 | 852 | const int type) |
be84297e | 853 | { |
a3444cc5 DM |
854 | dSS_ADD; |
855 | SS_ADD_PTR(ptr1); | |
856 | SS_ADD_INT(i); | |
857 | SS_ADD_PTR(ptr2); | |
858 | SS_ADD_UV(type); | |
859 | SS_ADD_END(4); | |
da8315f8 NC |
860 | } |
861 | ||
d4192ed9 KW |
862 | /* |
863 | =for apidoc_section $callback | |
864 | =for apidoc save_aelem | |
865 | =for apidoc_item save_aelem_flags | |
866 | ||
867 | These each arrange for the value of the array element C<av[idx]> to be restored | |
868 | at the end of the enclosing I<pseudo-block>. | |
869 | ||
870 | In C<save_aelem>, the SV at C**sptr> will be replaced by a new C<undef> | |
871 | scalar. That scalar will inherit any magic from the original C<**sptr>, | |
872 | and any 'set' magic will be processed. | |
873 | ||
874 | In C<save_aelem_flags>, C<SAVEf_KEEPOLDELEM> being set in C<flags> causes | |
875 | the function to forgo all that: the scalar at C<**sptr> is untouched. | |
876 | If C<SAVEf_KEEPOLDELEM> is not set, the SV at C**sptr> will be replaced by a | |
877 | new C<undef> scalar. That scalar will inherit any magic from the original | |
878 | C<**sptr>. Any 'set' magic will be processed if and only if C<SAVEf_SETMAGIC> | |
879 | is set in in C<flags>. | |
880 | ||
881 | =cut | |
882 | */ | |
883 | ||
da8315f8 | 884 | void |
c70927a6 | 885 | Perl_save_aelem_flags(pTHX_ AV *av, SSize_t idx, SV **sptr, |
1604cfb0 | 886 | const U32 flags) |
4e4c362e | 887 | { |
20b7effb | 888 | dSS_ADD; |
bfc4de9f | 889 | SV *sv; |
7918f24d | 890 | |
91d1c79f | 891 | PERL_ARGS_ASSERT_SAVE_AELEM_FLAGS; |
7918f24d | 892 | |
0cbee0a4 | 893 | SvGETMAGIC(*sptr); |
c70927a6 FC |
894 | SS_ADD_PTR(SvREFCNT_inc_simple(av)); |
895 | SS_ADD_IV(idx); | |
896 | SS_ADD_PTR(SvREFCNT_inc(*sptr)); | |
897 | SS_ADD_UV(SAVEt_AELEM); | |
898 | SS_ADD_END(4); | |
1cdc9186 FC |
899 | /* The array needs to hold a reference count on its new element, so it |
900 | must be AvREAL. */ | |
5d9574c1 | 901 | if (UNLIKELY(!AvREAL(av) && AvREIFY(av))) |
1604cfb0 | 902 | av_reify(av); |
91d1c79f | 903 | save_scalar_at(sptr, flags); /* XXX - FIXME - see #60360 */ |
75d34a09 | 904 | if (flags & SAVEf_KEEPOLDELEM) |
1604cfb0 | 905 | return; |
bfc4de9f DM |
906 | sv = *sptr; |
907 | /* If we're localizing a tied array element, this new sv | |
908 | * won't actually be stored in the array - so it won't get | |
909 | * reaped when the localize ends. Ensure it gets reaped by | |
910 | * mortifying it instead. DAPM */ | |
5d9574c1 | 911 | if (UNLIKELY(SvTIED_mg((const SV *)av, PERL_MAGIC_tied))) |
1604cfb0 | 912 | sv_2mortal(sv); |
4e4c362e GS |
913 | } |
914 | ||
d4192ed9 KW |
915 | /* |
916 | =for apidoc_section $callback | |
917 | =for apidoc save_helem | |
918 | =for apidoc_item save_helem_flags | |
919 | ||
920 | These each arrange for the value of the hash element (in Perlish terms) | |
921 | C<$hv{key}]> to be restored at the end of the enclosing I<pseudo-block>. | |
922 | ||
923 | In C<save_helem>, the SV at C**sptr> will be replaced by a new C<undef> | |
924 | scalar. That scalar will inherit any magic from the original C<**sptr>, | |
925 | and any 'set' magic will be processed. | |
926 | ||
927 | In C<save_helem_flags>, C<SAVEf_KEEPOLDELEM> being set in C<flags> causes | |
928 | the function to forgo all that: the scalar at C<**sptr> is untouched. | |
929 | If C<SAVEf_KEEPOLDELEM> is not set, the SV at C**sptr> will be replaced by a | |
930 | new C<undef> scalar. That scalar will inherit any magic from the original | |
931 | C<**sptr>. Any 'set' magic will be processed if and only if C<SAVEf_SETMAGIC> | |
932 | is set in in C<flags>. | |
933 | ||
934 | =cut | |
935 | */ | |
936 | ||
4e4c362e | 937 | void |
af7df257 | 938 | Perl_save_helem_flags(pTHX_ HV *hv, SV *key, SV **sptr, const U32 flags) |
4e4c362e | 939 | { |
bfc4de9f | 940 | SV *sv; |
7918f24d | 941 | |
af7df257 | 942 | PERL_ARGS_ASSERT_SAVE_HELEM_FLAGS; |
7918f24d | 943 | |
0cbee0a4 | 944 | SvGETMAGIC(*sptr); |
a3444cc5 DM |
945 | { |
946 | dSS_ADD; | |
947 | SS_ADD_PTR(SvREFCNT_inc_simple(hv)); | |
948 | SS_ADD_PTR(newSVsv(key)); | |
949 | SS_ADD_PTR(SvREFCNT_inc(*sptr)); | |
950 | SS_ADD_UV(SAVEt_HELEM); | |
951 | SS_ADD_END(4); | |
952 | } | |
af7df257 | 953 | save_scalar_at(sptr, flags); |
75d34a09 | 954 | if (flags & SAVEf_KEEPOLDELEM) |
1604cfb0 | 955 | return; |
bfc4de9f DM |
956 | sv = *sptr; |
957 | /* If we're localizing a tied hash element, this new sv | |
958 | * won't actually be stored in the hash - so it won't get | |
959 | * reaped when the localize ends. Ensure it gets reaped by | |
960 | * mortifying it instead. DAPM */ | |
5d9574c1 | 961 | if (UNLIKELY(SvTIED_mg((const SV *)hv, PERL_MAGIC_tied))) |
1604cfb0 | 962 | sv_2mortal(sv); |
4e4c362e GS |
963 | } |
964 | ||
2053acbf NC |
965 | SV* |
966 | Perl_save_svref(pTHX_ SV **sptr) | |
967 | { | |
7918f24d NC |
968 | PERL_ARGS_ASSERT_SAVE_SVREF; |
969 | ||
2053acbf | 970 | SvGETMAGIC(*sptr); |
e22024d3 | 971 | save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_SVREF); |
af7df257 | 972 | return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */ |
2053acbf NC |
973 | } |
974 | ||
2ef9a108 DM |
975 | |
976 | void | |
977 | Perl_savetmps(pTHX) | |
978 | { | |
979 | dSS_ADD; | |
980 | SS_ADD_IV(PL_tmps_floor); | |
981 | PL_tmps_floor = PL_tmps_ix; | |
982 | SS_ADD_UV(SAVEt_TMPSFLOOR); | |
983 | SS_ADD_END(2); | |
984 | } | |
985 | ||
1f3d7af7 KW |
986 | /* |
987 | =for apidoc_section $stack | |
988 | =for apidoc save_alloc | |
989 | ||
990 | Implements L<perlapi/C<SSNEW>> and kin, which should be used instead of this | |
991 | function. | |
992 | ||
993 | =cut | |
994 | */ | |
2ef9a108 | 995 | |
455ece5e | 996 | I32 |
864dbfa3 | 997 | Perl_save_alloc(pTHX_ I32 size, I32 pad) |
455ece5e | 998 | { |
eb578fdb KW |
999 | const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix] |
1000 | - (char*)PL_savestack); | |
1be36ce0 NC |
1001 | const UV elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack)); |
1002 | const UV elems_shifted = elems << SAVE_TIGHT_SHIFT; | |
455ece5e | 1003 | |
5d9574c1 | 1004 | if (UNLIKELY((elems_shifted >> SAVE_TIGHT_SHIFT) != elems)) |
1604cfb0 | 1005 | Perl_croak(aTHX_ |
147e3846 | 1006 | "panic: save_alloc elems %" UVuf " out of range (%" IVdf "-%" IVdf ")", |
1604cfb0 | 1007 | elems, (IV)size, (IV)pad); |
1be36ce0 NC |
1008 | |
1009 | SSGROW(elems + 1); | |
455ece5e AD |
1010 | |
1011 | PL_savestack_ix += elems; | |
1be36ce0 | 1012 | SSPUSHUV(SAVEt_ALLOC | elems_shifted); |
455ece5e AD |
1013 | return start; |
1014 | } | |
1015 | ||
03dba561 | 1016 | |
8c036433 | 1017 | static const U8 arg_counts[] = { |
9a2fefd6 DM |
1018 | 0, /* SAVEt_ALLOC */ |
1019 | 0, /* SAVEt_CLEARPADRANGE */ | |
1020 | 0, /* SAVEt_CLEARSV */ | |
1021 | 0, /* SAVEt_REGCONTEXT */ | |
1022 | 1, /* SAVEt_TMPSFLOOR */ | |
1023 | 1, /* SAVEt_BOOL */ | |
1024 | 1, /* SAVEt_COMPILE_WARNINGS */ | |
1025 | 1, /* SAVEt_COMPPAD */ | |
1026 | 1, /* SAVEt_FREECOPHH */ | |
1027 | 1, /* SAVEt_FREEOP */ | |
1028 | 1, /* SAVEt_FREEPV */ | |
1029 | 1, /* SAVEt_FREESV */ | |
1030 | 1, /* SAVEt_I16 */ | |
1031 | 1, /* SAVEt_I32_SMALL */ | |
1032 | 1, /* SAVEt_I8 */ | |
1033 | 1, /* SAVEt_INT_SMALL */ | |
1034 | 1, /* SAVEt_MORTALIZESV */ | |
1035 | 1, /* SAVEt_NSTAB */ | |
1036 | 1, /* SAVEt_OP */ | |
1037 | 1, /* SAVEt_PARSER */ | |
1038 | 1, /* SAVEt_STACK_POS */ | |
1039 | 1, /* SAVEt_READONLY_OFF */ | |
1040 | 1, /* SAVEt_FREEPADNAME */ | |
8462890b | 1041 | 1, /* SAVEt_STRLEN_SMALL */ |
9a2fefd6 DM |
1042 | 2, /* SAVEt_AV */ |
1043 | 2, /* SAVEt_DESTRUCTOR */ | |
1044 | 2, /* SAVEt_DESTRUCTOR_X */ | |
1045 | 2, /* SAVEt_GENERIC_PVREF */ | |
1046 | 2, /* SAVEt_GENERIC_SVREF */ | |
1047 | 2, /* SAVEt_GP */ | |
1048 | 2, /* SAVEt_GVSV */ | |
1049 | 2, /* SAVEt_HINTS */ | |
1050 | 2, /* SAVEt_HPTR */ | |
1051 | 2, /* SAVEt_HV */ | |
1052 | 2, /* SAVEt_I32 */ | |
1053 | 2, /* SAVEt_INT */ | |
1054 | 2, /* SAVEt_ITEM */ | |
1055 | 2, /* SAVEt_IV */ | |
1056 | 2, /* SAVEt_LONG */ | |
1057 | 2, /* SAVEt_PPTR */ | |
1058 | 2, /* SAVEt_SAVESWITCHSTACK */ | |
1059 | 2, /* SAVEt_SHARED_PVREF */ | |
1060 | 2, /* SAVEt_SPTR */ | |
1061 | 2, /* SAVEt_STRLEN */ | |
1062 | 2, /* SAVEt_SV */ | |
1063 | 2, /* SAVEt_SVREF */ | |
1064 | 2, /* SAVEt_VPTR */ | |
1065 | 2, /* SAVEt_ADELETE */ | |
1066 | 2, /* SAVEt_APTR */ | |
1067 | 3, /* SAVEt_HELEM */ | |
1068 | 3, /* SAVEt_PADSV_AND_MORTALIZE*/ | |
1069 | 3, /* SAVEt_SET_SVFLAGS */ | |
1070 | 3, /* SAVEt_GVSLOT */ | |
1071 | 3, /* SAVEt_AELEM */ | |
6c148c86 PE |
1072 | 3, /* SAVEt_DELETE */ |
1073 | 3 /* SAVEt_HINTS_HH */ | |
9a2fefd6 DM |
1074 | }; |
1075 | ||
03dba561 | 1076 | |
a8ed036f KW |
1077 | /* |
1078 | =for apidoc_section $callback | |
1079 | =for apidoc leave_scope | |
1080 | ||
1081 | Implements C<LEAVE_SCOPE> which you should use instead. | |
1082 | ||
1083 | =cut | |
1084 | */ | |
1085 | ||
462e5cf6 | 1086 | void |
864dbfa3 | 1087 | Perl_leave_scope(pTHX_ I32 base) |
79072805 | 1088 | { |
302c0c93 | 1089 | /* Localise the effects of the TAINT_NOT inside the loop. */ |
284167a5 | 1090 | bool was = TAINT_get; |
79072805 | 1091 | |
5d9574c1 | 1092 | if (UNLIKELY(base < -1)) |
1604cfb0 | 1093 | Perl_croak(aTHX_ "panic: corrupt saved stack index %ld", (long) base); |
1c98cc53 | 1094 | DEBUG_l(Perl_deb(aTHX_ "savestack: releasing items %ld -> %ld\n", |
1604cfb0 | 1095 | (long)PL_savestack_ix, (long)base)); |
3280af22 | 1096 | while (PL_savestack_ix > base) { |
1604cfb0 MS |
1097 | UV uv; |
1098 | U8 type; | |
9a2fefd6 | 1099 | ANY *ap; /* arg pointer */ |
c9728782 | 1100 | ANY a0, a1, a2; /* up to 3 args */ |
03dba561 | 1101 | |
1604cfb0 | 1102 | TAINT_NOT; |
c6ae7647 | 1103 | |
03dba561 | 1104 | { |
9a2fefd6 | 1105 | U8 argcount; |
03dba561 | 1106 | I32 ix = PL_savestack_ix - 1; |
9a2fefd6 DM |
1107 | |
1108 | ap = &PL_savestack[ix]; | |
1109 | uv = ap->any_uv; | |
03dba561 | 1110 | type = (U8)uv & SAVE_MASK; |
9a2fefd6 DM |
1111 | argcount = arg_counts[type]; |
1112 | PL_savestack_ix = ix - argcount; | |
1113 | ap -= argcount; | |
03dba561 DM |
1114 | } |
1115 | ||
1604cfb0 MS |
1116 | switch (type) { |
1117 | case SAVEt_ITEM: /* normal string */ | |
c9728782 | 1118 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 | 1119 | sv_replace(a0.any_sv, a1.any_sv); |
c9728782 | 1120 | if (UNLIKELY(SvSMAGICAL(a0.any_sv))) { |
b492a59e | 1121 | PL_localizing = 2; |
c9728782 | 1122 | mg_set(a0.any_sv); |
b492a59e DM |
1123 | PL_localizing = 0; |
1124 | } | |
1604cfb0 | 1125 | break; |
03dba561 | 1126 | |
1604cfb0 MS |
1127 | /* This would be a mathom, but Perl_save_svref() calls a static |
1128 | function, S_save_scalar_at(), so has to stay in this file. */ | |
1129 | case SAVEt_SVREF: /* scalar reference */ | |
c9728782 | 1130 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1131 | a2.any_svp = a0.any_svp; |
1132 | a0.any_sv = NULL; /* what to refcnt_dec */ | |
1133 | goto restore_sv; | |
03dba561 | 1134 | |
1604cfb0 | 1135 | case SAVEt_SV: /* scalar reference */ |
c9728782 | 1136 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1137 | a2.any_svp = &GvSV(a0.any_gv); |
1138 | restore_sv: | |
03dba561 | 1139 | { |
75ebea3c | 1140 | /* do *a2.any_svp = a1 and free a0 */ |
1604cfb0 MS |
1141 | SV * const sv = *a2.any_svp; |
1142 | *a2.any_svp = a1.any_sv; | |
1143 | SvREFCNT_dec(sv); | |
c9728782 DM |
1144 | if (UNLIKELY(SvSMAGICAL(a1.any_sv))) { |
1145 | /* mg_set could die, skipping the freeing of a0 and | |
1146 | * a1; Ensure that they're always freed in that case */ | |
2baebb98 | 1147 | dSS_ADD; |
c9728782 | 1148 | SS_ADD_PTR(a1.any_sv); |
2baebb98 | 1149 | SS_ADD_UV(SAVEt_FREESV); |
c9728782 | 1150 | SS_ADD_PTR(a0.any_sv); |
2baebb98 DM |
1151 | SS_ADD_UV(SAVEt_FREESV); |
1152 | SS_ADD_END(4); | |
b492a59e | 1153 | PL_localizing = 2; |
c9728782 | 1154 | mg_set(a1.any_sv); |
b492a59e | 1155 | PL_localizing = 0; |
2baebb98 | 1156 | break; |
b492a59e | 1157 | } |
1604cfb0 MS |
1158 | SvREFCNT_dec_NN(a1.any_sv); |
1159 | SvREFCNT_dec(a0.any_sv); | |
1160 | break; | |
03dba561 | 1161 | } |
c9728782 | 1162 | |
1604cfb0 | 1163 | case SAVEt_GENERIC_PVREF: /* generic pv */ |
c9728782 | 1164 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1165 | if (*a1.any_pvp != a0.any_pv) { |
1166 | Safefree(*a1.any_pvp); | |
1167 | *a1.any_pvp = a0.any_pv; | |
1168 | } | |
1169 | break; | |
c9728782 | 1170 | |
1604cfb0 | 1171 | case SAVEt_SHARED_PVREF: /* shared pv */ |
c9728782 | 1172 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 | 1173 | if (*a0.any_pvp != a1.any_pv) { |
1604cfb0 | 1174 | PerlMemShared_free(*a0.any_pvp); |
1604cfb0 MS |
1175 | *a0.any_pvp = a1.any_pv; |
1176 | } | |
1177 | break; | |
c9728782 | 1178 | |
1604cfb0 | 1179 | case SAVEt_GVSV: /* scalar slot in GV */ |
c9728782 | 1180 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1181 | a0.any_svp = &GvSV(a0.any_gv); |
1182 | goto restore_svp; | |
c9728782 | 1183 | |
1604cfb0 | 1184 | case SAVEt_GENERIC_SVREF: /* generic sv */ |
c9728782 | 1185 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 | 1186 | restore_svp: |
03dba561 | 1187 | { |
75ebea3c | 1188 | /* do *a0.any_svp = a1 */ |
1604cfb0 MS |
1189 | SV * const sv = *a0.any_svp; |
1190 | *a0.any_svp = a1.any_sv; | |
1191 | SvREFCNT_dec(sv); | |
1192 | SvREFCNT_dec(a1.any_sv); | |
1193 | break; | |
03dba561 | 1194 | } |
c9728782 | 1195 | |
1604cfb0 | 1196 | case SAVEt_GVSLOT: /* any slot in GV */ |
03dba561 | 1197 | { |
9a2fefd6 | 1198 | HV * hv; |
c9728782 DM |
1199 | a0 = ap[0]; a1 = ap[1]; a2 = ap[2]; |
1200 | hv = GvSTASH(a0.any_gv); | |
1604cfb0 MS |
1201 | if (hv && HvENAME(hv) && ( |
1202 | (a2.any_sv && SvTYPE(a2.any_sv) == SVt_PVCV) | |
1203 | || (*a1.any_svp && SvTYPE(*a1.any_svp) == SVt_PVCV) | |
1204 | )) | |
1205 | { | |
1206 | if ((char *)a1.any_svp < (char *)GvGP(a0.any_gv) | |
1207 | || (char *)a1.any_svp > (char *)GvGP(a0.any_gv) + sizeof(struct gp) | |
1208 | || GvREFCNT(a0.any_gv) > 2) /* "> 2" to ignore savestack's ref */ | |
1209 | PL_sub_generation++; | |
1210 | else mro_method_changed_in(hv); | |
1211 | } | |
75ebea3c DM |
1212 | a0.any_svp = a1.any_svp; |
1213 | a1.any_sv = a2.any_sv; | |
1604cfb0 | 1214 | goto restore_svp; |
03dba561 | 1215 | } |
c9728782 | 1216 | |
1604cfb0 | 1217 | case SAVEt_AV: /* array reference */ |
c9728782 | 1218 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1219 | SvREFCNT_dec(GvAV(a0.any_gv)); |
1220 | GvAV(a0.any_gv) = a1.any_av; | |
2baebb98 | 1221 | avhv_common: |
c9728782 DM |
1222 | if (UNLIKELY(SvSMAGICAL(a1.any_sv))) { |
1223 | /* mg_set might die, so make sure a0 isn't leaked */ | |
2baebb98 | 1224 | dSS_ADD; |
c9728782 | 1225 | SS_ADD_PTR(a0.any_sv); |
2baebb98 DM |
1226 | SS_ADD_UV(SAVEt_FREESV); |
1227 | SS_ADD_END(2); | |
b492a59e | 1228 | PL_localizing = 2; |
c9728782 | 1229 | mg_set(a1.any_sv); |
b492a59e | 1230 | PL_localizing = 0; |
2baebb98 | 1231 | break; |
b492a59e | 1232 | } |
1604cfb0 MS |
1233 | SvREFCNT_dec_NN(a0.any_sv); |
1234 | break; | |
c9728782 | 1235 | |
1604cfb0 | 1236 | case SAVEt_HV: /* hash reference */ |
c9728782 | 1237 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1238 | SvREFCNT_dec(GvHV(a0.any_gv)); |
1239 | GvHV(a0.any_gv) = a1.any_hv; | |
2baebb98 DM |
1240 | goto avhv_common; |
1241 | ||
1604cfb0 | 1242 | case SAVEt_INT_SMALL: |
c9728782 | 1243 | a0 = ap[0]; |
1604cfb0 MS |
1244 | *(int*)a0.any_ptr = (int)(uv >> SAVE_TIGHT_SHIFT); |
1245 | break; | |
c9728782 | 1246 | |
1604cfb0 | 1247 | case SAVEt_INT: /* int reference */ |
c9728782 | 1248 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1249 | *(int*)a1.any_ptr = (int)a0.any_i32; |
1250 | break; | |
c9728782 | 1251 | |
8462890b | 1252 | case SAVEt_STRLEN_SMALL: |
1604cfb0 MS |
1253 | a0 = ap[0]; |
1254 | *(STRLEN*)a0.any_ptr = (STRLEN)(uv >> SAVE_TIGHT_SHIFT); | |
8462890b PE |
1255 | break; |
1256 | ||
1604cfb0 | 1257 | case SAVEt_STRLEN: /* STRLEN/size_t ref */ |
c9728782 | 1258 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1259 | *(STRLEN*)a1.any_ptr = (STRLEN)a0.any_iv; |
1260 | break; | |
c9728782 | 1261 | |
1604cfb0 | 1262 | case SAVEt_TMPSFLOOR: /* restore PL_tmps_floor */ |
c9728782 | 1263 | a0 = ap[0]; |
1604cfb0 MS |
1264 | PL_tmps_floor = (SSize_t)a0.any_iv; |
1265 | break; | |
c9728782 | 1266 | |
1604cfb0 | 1267 | case SAVEt_BOOL: /* bool reference */ |
c9728782 | 1268 | a0 = ap[0]; |
1604cfb0 | 1269 | *(bool*)a0.any_ptr = cBOOL(uv >> 8); |
9a9b5ec9 DM |
1270 | #ifdef NO_TAINT_SUPPORT |
1271 | PERL_UNUSED_VAR(was); | |
1272 | #else | |
1604cfb0 MS |
1273 | if (UNLIKELY(a0.any_ptr == &(PL_tainted))) { |
1274 | /* If we don't update <was>, to reflect what was saved on the | |
1275 | * stack for PL_tainted, then we will overwrite this attempt to | |
1276 | * restore it when we exit this routine. Note that this won't | |
1277 | * work if this value was saved in a wider-than necessary type, | |
1278 | * such as I32 */ | |
1279 | was = *(bool*)a0.any_ptr; | |
1280 | } | |
284167a5 | 1281 | #endif |
1604cfb0 | 1282 | break; |
c9728782 | 1283 | |
1604cfb0 | 1284 | case SAVEt_I32_SMALL: |
c9728782 | 1285 | a0 = ap[0]; |
1604cfb0 MS |
1286 | *(I32*)a0.any_ptr = (I32)(uv >> SAVE_TIGHT_SHIFT); |
1287 | break; | |
c9728782 | 1288 | |
1604cfb0 | 1289 | case SAVEt_I32: /* I32 reference */ |
c9728782 | 1290 | a0 = ap[0]; a1 = ap[1]; |
3235b7a3 | 1291 | #ifdef PERL_DEBUG_READONLY_OPS |
c9728782 | 1292 | if (*(I32*)a1.any_ptr != a0.any_i32) |
3235b7a3 | 1293 | #endif |
c9728782 | 1294 | *(I32*)a1.any_ptr = a0.any_i32; |
1604cfb0 | 1295 | break; |
c9728782 | 1296 | |
1604cfb0 MS |
1297 | case SAVEt_SPTR: /* SV* reference */ |
1298 | case SAVEt_VPTR: /* random* reference */ | |
1299 | case SAVEt_PPTR: /* char* reference */ | |
1300 | case SAVEt_HPTR: /* HV* reference */ | |
1301 | case SAVEt_APTR: /* AV* reference */ | |
c9728782 | 1302 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1303 | *a1.any_svp= a0.any_sv; |
1304 | break; | |
c9728782 | 1305 | |
1604cfb0 | 1306 | case SAVEt_GP: /* scalar reference */ |
03dba561 DM |
1307 | { |
1308 | HV *hv; | |
1604cfb0 | 1309 | bool had_method; |
9a2fefd6 | 1310 | |
c9728782 | 1311 | a0 = ap[0]; a1 = ap[1]; |
03dba561 | 1312 | /* possibly taking a method out of circulation */ |
82943faa | 1313 | had_method = cBOOL(GvCVu(a0.any_gv)); |
1604cfb0 MS |
1314 | gp_free(a0.any_gv); |
1315 | GvGP_set(a0.any_gv, (GP*)a1.any_ptr); | |
1316 | if ((hv=GvSTASH(a0.any_gv)) && HvENAME_get(hv)) { | |
1317 | if (memEQs(GvNAME(a0.any_gv), GvNAMELEN(a0.any_gv), "ISA")) | |
1318 | mro_isa_changed_in(hv); | |
c9728782 | 1319 | else if (had_method || GvCVu(a0.any_gv)) |
03dba561 | 1320 | /* putting a method back into circulation ("local")*/ |
c9728782 | 1321 | gv_method_changed(a0.any_gv); |
1604cfb0 MS |
1322 | } |
1323 | SvREFCNT_dec_NN(a0.any_gv); | |
1324 | break; | |
03dba561 | 1325 | } |
c9728782 | 1326 | |
1604cfb0 | 1327 | case SAVEt_FREESV: |
c9728782 | 1328 | a0 = ap[0]; |
1604cfb0 MS |
1329 | SvREFCNT_dec(a0.any_sv); |
1330 | break; | |
c9728782 | 1331 | |
1604cfb0 | 1332 | case SAVEt_FREEPADNAME: |
c9728782 | 1333 | a0 = ap[0]; |
1604cfb0 MS |
1334 | PadnameREFCNT_dec((PADNAME *)a0.any_ptr); |
1335 | break; | |
c9728782 | 1336 | |
1604cfb0 | 1337 | case SAVEt_FREECOPHH: |
c9728782 | 1338 | a0 = ap[0]; |
1604cfb0 MS |
1339 | cophh_free((COPHH *)a0.any_ptr); |
1340 | break; | |
c9728782 | 1341 | |
1604cfb0 | 1342 | case SAVEt_MORTALIZESV: |
c9728782 | 1343 | a0 = ap[0]; |
1604cfb0 MS |
1344 | sv_2mortal(a0.any_sv); |
1345 | break; | |
c9728782 | 1346 | |
1604cfb0 | 1347 | case SAVEt_FREEOP: |
c9728782 | 1348 | a0 = ap[0]; |
1604cfb0 MS |
1349 | ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); |
1350 | op_free(a0.any_op); | |
1351 | break; | |
c9728782 | 1352 | |
1604cfb0 | 1353 | case SAVEt_FREEPV: |
c9728782 | 1354 | a0 = ap[0]; |
1604cfb0 MS |
1355 | Safefree(a0.any_ptr); |
1356 | break; | |
4e09461c | 1357 | |
4e09461c | 1358 | case SAVEt_CLEARPADRANGE: |
75ebea3c | 1359 | { |
bdb0ae96 | 1360 | I32 i; |
1604cfb0 | 1361 | SV **svp; |
bdb0ae96 FC |
1362 | i = (I32)((uv >> SAVE_TIGHT_SHIFT) & OPpPADRANGE_COUNTMASK); |
1363 | svp = &PL_curpad[uv >> | |
4e09461c DM |
1364 | (OPpPADRANGE_COUNTSHIFT + SAVE_TIGHT_SHIFT)] + i - 1; |
1365 | goto clearsv; | |
1604cfb0 MS |
1366 | case SAVEt_CLEARSV: |
1367 | svp = &PL_curpad[uv >> SAVE_TIGHT_SHIFT]; | |
4e09461c DM |
1368 | i = 1; |
1369 | clearsv: | |
1370 | for (; i; i--, svp--) { | |
9a2fefd6 | 1371 | SV *sv = *svp; |
528ad060 DM |
1372 | |
1373 | DEBUG_Xv(PerlIO_printf(Perl_debug_log, | |
147e3846 | 1374 | "Pad 0x%" UVxf "[0x%" UVxf "] clearsv: %ld sv=0x%" UVxf "<%" IVdf "> %s\n", |
528ad060 DM |
1375 | PTR2UV(PL_comppad), PTR2UV(PL_curpad), |
1376 | (long)(svp-PL_curpad), PTR2UV(sv), (IV)SvREFCNT(sv), | |
1377 | (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon" | |
1378 | )); | |
1379 | ||
1380 | /* Can clear pad variable in place? */ | |
9af15990 | 1381 | if (SvREFCNT(sv) == 1 && !SvOBJECT(sv)) { |
a07f0bef | 1382 | |
a07f0bef DM |
1383 | /* these flags are the union of all the relevant flags |
1384 | * in the individual conditions within */ | |
1385 | if (UNLIKELY(SvFLAGS(sv) & ( | |
a623f893 | 1386 | SVf_READONLY|SVf_PROTECT /*for SvREADONLY_off*/ |
a07f0bef | 1387 | | (SVs_GMG|SVs_SMG|SVs_RMG) /* SvMAGICAL() */ |
7532eaae | 1388 | | SVf_OOK |
a07f0bef DM |
1389 | | SVf_THINKFIRST))) |
1390 | { | |
7500fc82 DM |
1391 | /* if a my variable that was made readonly is |
1392 | * going out of scope, we want to remove the | |
1393 | * readonlyness so that it can go out of scope | |
1394 | * quietly | |
1395 | */ | |
57c404c9 | 1396 | if (SvREADONLY(sv)) |
7500fc82 DM |
1397 | SvREADONLY_off(sv); |
1398 | ||
53083cad PE |
1399 | if (SvTYPE(sv) == SVt_PVHV && HvHasAUX(sv)) |
1400 | Perl_hv_kill_backrefs(aTHX_ MUTABLE_HV(sv)); | |
1401 | else if(SvOOK(sv)) | |
1402 | sv_backoff(sv); | |
7532eaae | 1403 | |
7500fc82 | 1404 | if (SvMAGICAL(sv)) { |
7532eaae DM |
1405 | /* note that backrefs (either in HvAUX or magic) |
1406 | * must be removed before other magic */ | |
7500fc82 DM |
1407 | sv_unmagic(sv, PERL_MAGIC_backref); |
1408 | if (SvTYPE(sv) != SVt_PVCV) | |
1409 | mg_free(sv); | |
1410 | } | |
1411 | if (SvTHINKFIRST(sv)) | |
1412 | sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF | |
1413 | |SV_COW_DROP_PV); | |
528ad060 | 1414 | |
a07f0bef | 1415 | } |
528ad060 DM |
1416 | switch (SvTYPE(sv)) { |
1417 | case SVt_NULL: | |
1418 | break; | |
1419 | case SVt_PVAV: | |
1420 | av_clear(MUTABLE_AV(sv)); | |
1421 | break; | |
1422 | case SVt_PVHV: | |
1423 | hv_clear(MUTABLE_HV(sv)); | |
1424 | break; | |
1425 | case SVt_PVCV: | |
1426 | { | |
79656330 | 1427 | HEK *hek = CvGvNAME_HEK(sv); |
528ad060 | 1428 | assert(hek); |
6110d17a | 1429 | (void)share_hek_hek(hek); |
528ad060 DM |
1430 | cv_undef((CV *)sv); |
1431 | CvNAME_HEK_set(sv, hek); | |
f3feca7a | 1432 | CvLEXICAL_on(sv); |
528ad060 DM |
1433 | break; |
1434 | } | |
1435 | default: | |
c79d0076 NC |
1436 | /* This looks odd, but these two macros are for use in |
1437 | expressions and finish with a trailing comma, so | |
1438 | adding a ; after them would be wrong. */ | |
1439 | assert_not_ROK(sv) | |
1440 | assert_not_glob(sv) | |
5c85b638 | 1441 | SvFLAGS(sv) &=~ (SVf_OK|SVf_IVisUV|SVf_UTF8); |
528ad060 DM |
1442 | break; |
1443 | } | |
82e85a9c | 1444 | SvPADTMP_off(sv); |
528ad060 DM |
1445 | SvPADSTALE_on(sv); /* mark as no longer live */ |
1446 | } | |
1447 | else { /* Someone has a claim on this, so abandon it. */ | |
528ad060 DM |
1448 | switch (SvTYPE(sv)) { /* Console ourselves with a new value */ |
1449 | case SVt_PVAV: *svp = MUTABLE_SV(newAV()); break; | |
1450 | case SVt_PVHV: *svp = MUTABLE_SV(newHV()); break; | |
1451 | case SVt_PVCV: | |
1452 | { | |
79656330 | 1453 | HEK * const hek = CvGvNAME_HEK(sv); |
9c98a81f | 1454 | |
528ad060 DM |
1455 | /* Create a stub */ |
1456 | *svp = newSV_type(SVt_PVCV); | |
1457 | ||
1458 | /* Share name */ | |
528ad060 | 1459 | CvNAME_HEK_set(*svp, |
9c98a81f | 1460 | share_hek_hek(hek)); |
f3feca7a | 1461 | CvLEXICAL_on(*svp); |
528ad060 DM |
1462 | break; |
1463 | } | |
8fcb2425 | 1464 | default: *svp = newSV_type(SVt_NULL); break; |
528ad060 | 1465 | } |
4a9a56a7 | 1466 | SvREFCNT_dec_NN(sv); /* Cast current value to the winds. */ |
528ad060 DM |
1467 | /* preserve pad nature, but also mark as not live |
1468 | * for any closure capturing */ | |
145bf8ee | 1469 | SvFLAGS(*svp) |= SVs_PADSTALE; |
528ad060 | 1470 | } |
4e09461c | 1471 | } |
1604cfb0 | 1472 | break; |
75ebea3c | 1473 | } |
c9728782 | 1474 | |
1604cfb0 | 1475 | case SAVEt_DELETE: |
c9728782 | 1476 | a0 = ap[0]; a1 = ap[1]; a2 = ap[2]; |
85df897f DM |
1477 | /* hv_delete could die, so free the key and SvREFCNT_dec the |
1478 | * hv by pushing new save actions | |
1479 | */ | |
1480 | /* ap[0] is the key */ | |
1481 | ap[1].any_uv = SAVEt_FREEPV; /* was len */ | |
1482 | /* ap[2] is the hv */ | |
1483 | ap[3].any_uv = SAVEt_FREESV; /* was SAVEt_DELETE */ | |
1484 | PL_savestack_ix += 4; | |
1604cfb0 MS |
1485 | (void)hv_delete(a2.any_hv, a0.any_pv, a1.any_i32, G_DISCARD); |
1486 | break; | |
c9728782 | 1487 | |
1604cfb0 | 1488 | case SAVEt_ADELETE: |
c9728782 | 1489 | a0 = ap[0]; a1 = ap[1]; |
85df897f DM |
1490 | /* av_delete could die, so SvREFCNT_dec the av by pushing a |
1491 | * new save action | |
1492 | */ | |
1493 | ap[0].any_av = a1.any_av; | |
1494 | ap[1].any_uv = SAVEt_FREESV; | |
1495 | PL_savestack_ix += 2; | |
1604cfb0 MS |
1496 | (void)av_delete(a1.any_av, a0.any_iv, G_DISCARD); |
1497 | break; | |
c9728782 | 1498 | |
1604cfb0 | 1499 | case SAVEt_DESTRUCTOR_X: |
c9728782 | 1500 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1501 | (*a0.any_dxptr)(aTHX_ a1.any_ptr); |
1502 | break; | |
c9728782 | 1503 | |
1604cfb0 MS |
1504 | case SAVEt_REGCONTEXT: |
1505 | /* regexp must have croaked */ | |
1506 | case SAVEt_ALLOC: | |
1507 | PL_savestack_ix -= uv >> SAVE_TIGHT_SHIFT; | |
1508 | break; | |
c9728782 | 1509 | |
1604cfb0 | 1510 | case SAVEt_STACK_POS: /* Position on Perl stack */ |
c9728782 | 1511 | a0 = ap[0]; |
1604cfb0 MS |
1512 | PL_stack_sp = PL_stack_base + a0.any_i32; |
1513 | break; | |
c9728782 | 1514 | |
1604cfb0 | 1515 | case SAVEt_AELEM: /* array element */ |
75ebea3c DM |
1516 | { |
1517 | SV **svp; | |
c9728782 | 1518 | a0 = ap[0]; a1 = ap[1]; a2 = ap[2]; |
1604cfb0 MS |
1519 | svp = av_fetch(a0.any_av, a1.any_iv, 1); |
1520 | if (UNLIKELY(!AvREAL(a0.any_av) && AvREIFY(a0.any_av))) /* undo reify guard */ | |
1521 | SvREFCNT_dec(a2.any_sv); | |
1522 | if (LIKELY(svp)) { | |
1523 | SV * const sv = *svp; | |
1524 | if (LIKELY(sv && sv != &PL_sv_undef)) { | |
1525 | if (UNLIKELY(SvTIED_mg((const SV *)a0.any_av, PERL_MAGIC_tied))) | |
1526 | SvREFCNT_inc_void_NN(sv); | |
75ebea3c DM |
1527 | a1.any_sv = a2.any_sv; |
1528 | a2.any_svp = svp; | |
1604cfb0 MS |
1529 | goto restore_sv; |
1530 | } | |
1531 | } | |
1532 | SvREFCNT_dec(a0.any_av); | |
1533 | SvREFCNT_dec(a2.any_sv); | |
1534 | break; | |
75ebea3c | 1535 | } |
c9728782 | 1536 | |
1604cfb0 | 1537 | case SAVEt_HELEM: /* hash element */ |
03dba561 | 1538 | { |
1604cfb0 | 1539 | HE *he; |
9a2fefd6 | 1540 | |
c9728782 | 1541 | a0 = ap[0]; a1 = ap[1]; a2 = ap[2]; |
1604cfb0 MS |
1542 | he = hv_fetch_ent(a0.any_hv, a1.any_sv, 1, 0); |
1543 | SvREFCNT_dec(a1.any_sv); | |
1544 | if (LIKELY(he)) { | |
1545 | const SV * const oval = HeVAL(he); | |
1546 | if (LIKELY(oval && oval != &PL_sv_undef)) { | |
75ebea3c | 1547 | SV **svp = &HeVAL(he); |
1604cfb0 MS |
1548 | if (UNLIKELY(SvTIED_mg((const SV *)a0.any_hv, PERL_MAGIC_tied))) |
1549 | SvREFCNT_inc_void(*svp); | |
75ebea3c DM |
1550 | a1.any_sv = a2.any_sv; |
1551 | a2.any_svp = svp; | |
1604cfb0 MS |
1552 | goto restore_sv; |
1553 | } | |
1554 | } | |
1555 | SvREFCNT_dec(a0.any_hv); | |
1556 | SvREFCNT_dec(a2.any_sv); | |
1557 | break; | |
03dba561 | 1558 | } |
75ebea3c | 1559 | |
1604cfb0 | 1560 | case SAVEt_OP: |
c9728782 | 1561 | a0 = ap[0]; |
1604cfb0 MS |
1562 | PL_op = (OP*)a0.any_ptr; |
1563 | break; | |
c9728782 | 1564 | |
6c148c86 PE |
1565 | case SAVEt_HINTS_HH: |
1566 | a2 = ap[2]; | |
1567 | /* FALLTHROUGH */ | |
1568 | case SAVEt_HINTS: | |
c9728782 | 1569 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1570 | if ((PL_hints & HINT_LOCALIZE_HH)) { |
1571 | while (GvHV(PL_hintgv)) { | |
1572 | HV *hv = GvHV(PL_hintgv); | |
1573 | GvHV(PL_hintgv) = NULL; | |
1574 | SvREFCNT_dec(MUTABLE_SV(hv)); | |
1575 | } | |
1576 | } | |
1577 | cophh_free(CopHINTHASH_get(&PL_compiling)); | |
1578 | CopHINTHASH_set(&PL_compiling, (COPHH*)a1.any_ptr); | |
1579 | *(I32*)&PL_hints = a0.any_i32; | |
78efaf03 | 1580 | PL_prevailing_version = (U16)(uv >> 8); |
1604cfb0 MS |
1581 | if (type == SAVEt_HINTS_HH) { |
1582 | SvREFCNT_dec(MUTABLE_SV(GvHV(PL_hintgv))); | |
6c148c86 | 1583 | GvHV(PL_hintgv) = MUTABLE_HV(a2.any_ptr); |
1604cfb0 MS |
1584 | } |
1585 | if (!GvHV(PL_hintgv)) { | |
1586 | /* Need to add a new one manually, else rv2hv can | |
1587 | add one via GvHVn and it won't have the magic set. */ | |
1588 | HV *const hv = newHV(); | |
1589 | hv_magic(hv, NULL, PERL_MAGIC_hints); | |
1590 | GvHV(PL_hintgv) = hv; | |
1591 | } | |
1592 | assert(GvHV(PL_hintgv)); | |
1593 | break; | |
1594 | ||
1595 | case SAVEt_COMPPAD: | |
c9728782 | 1596 | a0 = ap[0]; |
1604cfb0 MS |
1597 | PL_comppad = (PAD*)a0.any_ptr; |
1598 | if (LIKELY(PL_comppad)) | |
1599 | PL_curpad = AvARRAY(PL_comppad); | |
1600 | else | |
1601 | PL_curpad = NULL; | |
1602 | break; | |
c9728782 | 1603 | |
1604cfb0 MS |
1604 | case SAVEt_PADSV_AND_MORTALIZE: |
1605 | { | |
1606 | SV **svp; | |
9a2fefd6 | 1607 | |
c9728782 | 1608 | a0 = ap[0]; a1 = ap[1]; a2 = ap[2]; |
1604cfb0 MS |
1609 | assert (a1.any_ptr); |
1610 | svp = AvARRAY((PAD*)a1.any_ptr) + (PADOFFSET)a2.any_uv; | |
b405d38b DM |
1611 | /* This mortalizing used to be done by CX_POOPLOOP() via |
1612 | itersave. But as we have all the information here, we | |
1613 | can do it here, save even having to have itersave in | |
1614 | the struct. | |
1615 | */ | |
1604cfb0 MS |
1616 | sv_2mortal(*svp); |
1617 | *svp = a0.any_sv; | |
1618 | } | |
1619 | break; | |
c9728782 | 1620 | |
1604cfb0 MS |
1621 | case SAVEt_SAVESWITCHSTACK: |
1622 | { | |
1623 | dSP; | |
9a2fefd6 | 1624 | |
c9728782 | 1625 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1626 | SWITCHSTACK(a1.any_av, a0.any_av); |
1627 | PL_curstackinfo->si_stack = a0.any_av; | |
1628 | } | |
1629 | break; | |
c9728782 | 1630 | |
1604cfb0 | 1631 | case SAVEt_SET_SVFLAGS: |
c9728782 DM |
1632 | a0 = ap[0]; a1 = ap[1]; a2 = ap[2]; |
1633 | SvFLAGS(a0.any_sv) &= ~(a1.any_u32); | |
1634 | SvFLAGS(a0.any_sv) |= a2.any_u32; | |
1604cfb0 | 1635 | break; |
95e06916 | 1636 | |
1604cfb0 MS |
1637 | /* These are only saved in mathoms.c */ |
1638 | case SAVEt_NSTAB: | |
c9728782 | 1639 | a0 = ap[0]; |
1604cfb0 MS |
1640 | (void)sv_clear(a0.any_sv); |
1641 | break; | |
c9728782 | 1642 | |
1604cfb0 | 1643 | case SAVEt_LONG: /* long reference */ |
c9728782 | 1644 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1645 | *(long*)a1.any_ptr = a0.any_long; |
1646 | break; | |
c9728782 | 1647 | |
1604cfb0 | 1648 | case SAVEt_IV: /* IV reference */ |
c9728782 | 1649 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1650 | *(IV*)a1.any_ptr = a0.any_iv; |
1651 | break; | |
95e06916 | 1652 | |
1604cfb0 | 1653 | case SAVEt_I16: /* I16 reference */ |
c9728782 | 1654 | a0 = ap[0]; |
1604cfb0 MS |
1655 | *(I16*)a0.any_ptr = (I16)(uv >> 8); |
1656 | break; | |
c9728782 | 1657 | |
1604cfb0 | 1658 | case SAVEt_I8: /* I8 reference */ |
c9728782 | 1659 | a0 = ap[0]; |
1604cfb0 MS |
1660 | *(I8*)a0.any_ptr = (I8)(uv >> 8); |
1661 | break; | |
c9728782 | 1662 | |
1604cfb0 | 1663 | case SAVEt_DESTRUCTOR: |
c9728782 | 1664 | a0 = ap[0]; a1 = ap[1]; |
1604cfb0 MS |
1665 | (*a0.any_dptr)(a1.any_ptr); |
1666 | break; | |
c9728782 | 1667 | |
1604cfb0 | 1668 | case SAVEt_COMPILE_WARNINGS: |
c9728782 | 1669 | a0 = ap[0]; |
1943af61 | 1670 | free_and_set_cop_warnings(&PL_compiling, (STRLEN*) a0.any_ptr); |
1604cfb0 | 1671 | break; |
c9728782 | 1672 | |
1604cfb0 | 1673 | case SAVEt_PARSER: |
c9728782 | 1674 | a0 = ap[0]; |
1604cfb0 MS |
1675 | parser_free((yy_parser *)a0.any_ptr); |
1676 | break; | |
c9728782 | 1677 | |
1604cfb0 | 1678 | case SAVEt_READONLY_OFF: |
c9728782 | 1679 | a0 = ap[0]; |
1604cfb0 MS |
1680 | SvREADONLY_off(a0.any_sv); |
1681 | break; | |
c9728782 | 1682 | |
1604cfb0 MS |
1683 | default: |
1684 | Perl_croak(aTHX_ "panic: leave_scope inconsistency %u", | |
75ebea3c | 1685 | (U8)uv & SAVE_MASK); |
1604cfb0 | 1686 | } |
79072805 | 1687 | } |
302c0c93 | 1688 | |
284167a5 | 1689 | TAINT_set(was); |
79072805 | 1690 | } |
8990e307 | 1691 | |
8990e307 | 1692 | void |
864dbfa3 | 1693 | Perl_cx_dump(pTHX_ PERL_CONTEXT *cx) |
8990e307 | 1694 | { |
7918f24d NC |
1695 | PERL_ARGS_ASSERT_CX_DUMP; |
1696 | ||
35ff7856 | 1697 | #ifdef DEBUGGING |
22c35a8c | 1698 | PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]); |
6b35e009 | 1699 | if (CxTYPE(cx) != CXt_SUBST) { |
1604cfb0 MS |
1700 | const char *gimme_text; |
1701 | PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp); | |
1702 | PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%" UVxf "\n", | |
1703 | PTR2UV(cx->blk_oldcop)); | |
1704 | PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp); | |
1705 | PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp); | |
1706 | PerlIO_printf(Perl_debug_log, "BLK_OLDSAVEIX = %ld\n", (long)cx->blk_oldsaveix); | |
1707 | PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%" UVxf "\n", | |
1708 | PTR2UV(cx->blk_oldpm)); | |
1709 | switch (cx->blk_gimme) { | |
1710 | case G_VOID: | |
1711 | gimme_text = "VOID"; | |
1712 | break; | |
1713 | case G_SCALAR: | |
1714 | gimme_text = "SCALAR"; | |
1715 | break; | |
eb7e169e | 1716 | case G_LIST: |
1604cfb0 MS |
1717 | gimme_text = "LIST"; |
1718 | break; | |
1719 | default: | |
1720 | gimme_text = "UNKNOWN"; | |
1721 | break; | |
1722 | } | |
1723 | PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", gimme_text); | |
8990e307 | 1724 | } |
6b35e009 | 1725 | switch (CxTYPE(cx)) { |
8990e307 LW |
1726 | case CXt_NULL: |
1727 | case CXt_BLOCK: | |
f79e2ff9 | 1728 | case CXt_DEFER: |
1604cfb0 | 1729 | break; |
146174a9 | 1730 | case CXt_FORMAT: |
1604cfb0 MS |
1731 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.CV = 0x%" UVxf "\n", |
1732 | PTR2UV(cx->blk_format.cv)); | |
1733 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.GV = 0x%" UVxf "\n", | |
1734 | PTR2UV(cx->blk_format.gv)); | |
1735 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.DFOUTGV = 0x%" UVxf "\n", | |
1736 | PTR2UV(cx->blk_format.dfoutgv)); | |
1737 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.HASARGS = %d\n", | |
1738 | (int)CxHASARGS(cx)); | |
1739 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.RETOP = 0x%" UVxf "\n", | |
1740 | PTR2UV(cx->blk_format.retop)); | |
1741 | break; | |
8990e307 | 1742 | case CXt_SUB: |
1604cfb0 MS |
1743 | PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%" UVxf "\n", |
1744 | PTR2UV(cx->blk_sub.cv)); | |
1745 | PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n", | |
1746 | (long)cx->blk_sub.olddepth); | |
1747 | PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n", | |
1748 | (int)CxHASARGS(cx)); | |
1749 | PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n", (int)CxLVAL(cx)); | |
1750 | PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%" UVxf "\n", | |
1751 | PTR2UV(cx->blk_sub.retop)); | |
1752 | break; | |
8990e307 | 1753 | case CXt_EVAL: |
1604cfb0 MS |
1754 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n", |
1755 | (long)CxOLD_IN_EVAL(cx)); | |
1756 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n", | |
1757 | PL_op_name[CxOLD_OP_TYPE(cx)], | |
1758 | PL_op_desc[CxOLD_OP_TYPE(cx)]); | |
1759 | if (cx->blk_eval.old_namesv) | |
1760 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n", | |
1761 | SvPVX_const(cx->blk_eval.old_namesv)); | |
1762 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%" UVxf "\n", | |
1763 | PTR2UV(cx->blk_eval.old_eval_root)); | |
1764 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.RETOP = 0x%" UVxf "\n", | |
1765 | PTR2UV(cx->blk_eval.retop)); | |
1766 | break; | |
8990e307 | 1767 | |
93661e56 | 1768 | case CXt_LOOP_PLAIN: |
c6fdafd0 | 1769 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1770 | case CXt_LOOP_LAZYSV: |
93661e56 DM |
1771 | case CXt_LOOP_LIST: |
1772 | case CXt_LOOP_ARY: | |
1604cfb0 MS |
1773 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n", CxLABEL(cx)); |
1774 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.MY_OP = 0x%" UVxf "\n", | |
1775 | PTR2UV(cx->blk_loop.my_op)); | |
0925dc7f | 1776 | if (CxTYPE(cx) != CXt_LOOP_PLAIN) { |
147e3846 | 1777 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%" UVxf "\n", |
0925dc7f | 1778 | PTR2UV(CxITERVAR(cx))); |
147e3846 | 1779 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERSAVE = 0x%" UVxf "\n", |
0925dc7f | 1780 | PTR2UV(cx->blk_loop.itersave)); |
1604cfb0 MS |
1781 | } |
1782 | if (CxTYPE(cx) == CXt_LOOP_ARY) { | |
147e3846 | 1783 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%" UVxf "\n", |
0925dc7f DM |
1784 | PTR2UV(cx->blk_loop.state_u.ary.ary)); |
1785 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n", | |
1786 | (long)cx->blk_loop.state_u.ary.ix); | |
1787 | } | |
1604cfb0 | 1788 | break; |
8990e307 LW |
1789 | |
1790 | case CXt_SUBST: | |
1604cfb0 MS |
1791 | PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n", |
1792 | (long)cx->sb_iters); | |
1793 | PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n", | |
1794 | (long)cx->sb_maxiters); | |
1795 | PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n", | |
1796 | (long)cx->sb_rflags); | |
1797 | PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n", | |
1798 | (long)CxONCE(cx)); | |
1799 | PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n", | |
1800 | cx->sb_orig); | |
1801 | PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%" UVxf "\n", | |
1802 | PTR2UV(cx->sb_dstr)); | |
1803 | PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%" UVxf "\n", | |
1804 | PTR2UV(cx->sb_targ)); | |
1805 | PerlIO_printf(Perl_debug_log, "SB_S = 0x%" UVxf "\n", | |
1806 | PTR2UV(cx->sb_s)); | |
1807 | PerlIO_printf(Perl_debug_log, "SB_M = 0x%" UVxf "\n", | |
1808 | PTR2UV(cx->sb_m)); | |
1809 | PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%" UVxf "\n", | |
1810 | PTR2UV(cx->sb_strend)); | |
1811 | PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%" UVxf "\n", | |
1812 | PTR2UV(cx->sb_rxres)); | |
1813 | break; | |
8990e307 | 1814 | } |
65e66c80 | 1815 | #else |
96a5add6 | 1816 | PERL_UNUSED_CONTEXT; |
65e66c80 | 1817 | PERL_UNUSED_ARG(cx); |
17c3b450 | 1818 | #endif /* DEBUGGING */ |
35ff7856 | 1819 | } |
241d1a3b NC |
1820 | |
1821 | /* | |
14d04a33 | 1822 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 1823 | */ |