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 LW |
27 | #include "perl.h" |
28 | ||
a0d0e21e | 29 | SV** |
fc16c392 | 30 | Perl_stack_grow(pTHX_ SV **sp, SV **p, SSize_t n) |
a0d0e21e | 31 | { |
402d079e DM |
32 | SSize_t extra; |
33 | SSize_t current = (p - PL_stack_base); | |
34 | ||
7918f24d NC |
35 | PERL_ARGS_ASSERT_STACK_GROW; |
36 | ||
402d079e | 37 | if (UNLIKELY(n < 0)) |
6768377c DM |
38 | Perl_croak(aTHX_ |
39 | "panic: stack_grow() negative count (%"IVdf")", (IV)n); | |
40 | ||
3280af22 | 41 | PL_stack_sp = sp; |
402d079e DM |
42 | extra = |
43 | #ifdef STRESS_REALLOC | |
44 | 1; | |
2ce36478 | 45 | #else |
402d079e | 46 | 128; |
2ce36478 | 47 | #endif |
402d079e DM |
48 | /* If the total might wrap, panic instead. This is really testing |
49 | * that (current + n + extra < SSize_t_MAX), but done in a way that | |
50 | * can't wrap */ | |
51 | if (UNLIKELY( current > SSize_t_MAX - extra | |
52 | || current + extra > SSize_t_MAX - n | |
53 | )) | |
54 | /* diag_listed_as: Out of memory during %s extend */ | |
55 | Perl_croak(aTHX_ "Out of memory during stack extend"); | |
56 | ||
57 | av_extend(PL_curstack, current + n + extra); | |
3280af22 | 58 | return PL_stack_sp; |
a0d0e21e LW |
59 | } |
60 | ||
2ce36478 SM |
61 | #ifndef STRESS_REALLOC |
62 | #define GROW(old) ((old) * 3 / 2) | |
63 | #else | |
64 | #define GROW(old) ((old) + 1) | |
65 | #endif | |
66 | ||
e336de0d | 67 | PERL_SI * |
864dbfa3 | 68 | Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems) |
e336de0d GS |
69 | { |
70 | PERL_SI *si; | |
a02a5408 | 71 | Newx(si, 1, PERL_SI); |
e336de0d GS |
72 | si->si_stack = newAV(); |
73 | AvREAL_off(si->si_stack); | |
74 | av_extend(si->si_stack, stitems > 0 ? stitems-1 : 0); | |
3280af22 | 75 | AvALLOC(si->si_stack)[0] = &PL_sv_undef; |
e336de0d GS |
76 | AvFILLp(si->si_stack) = 0; |
77 | si->si_prev = 0; | |
78 | si->si_next = 0; | |
79 | si->si_cxmax = cxitems - 1; | |
80 | si->si_cxix = -1; | |
e788e7d3 | 81 | si->si_type = PERLSI_UNDEF; |
a02a5408 | 82 | Newx(si->si_cxstack, cxitems, PERL_CONTEXT); |
9965345d JH |
83 | /* Without any kind of initialising PUSHSUBST() |
84 | * in pp_subst() will read uninitialised heap. */ | |
7e337ee0 | 85 | PoisonNew(si->si_cxstack, cxitems, PERL_CONTEXT); |
e336de0d GS |
86 | return si; |
87 | } | |
88 | ||
79072805 | 89 | I32 |
864dbfa3 | 90 | Perl_cxinc(pTHX) |
79072805 | 91 | { |
a3b680e6 | 92 | const IV old_max = cxstack_max; |
2ce36478 | 93 | cxstack_max = GROW(cxstack_max); |
401a9b14 | 94 | Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); |
9965345d JH |
95 | /* Without any kind of initialising deep enough recursion |
96 | * will end up reading uninitialised PERL_CONTEXTs. */ | |
109bf713 | 97 | PoisonNew(cxstack + old_max + 1, cxstack_max - old_max, PERL_CONTEXT); |
79072805 LW |
98 | return cxstack_ix + 1; |
99 | } | |
100 | ||
79072805 | 101 | void |
864dbfa3 | 102 | Perl_push_scope(pTHX) |
79072805 | 103 | { |
5d9574c1 | 104 | if (UNLIKELY(PL_scopestack_ix == PL_scopestack_max)) { |
3280af22 NIS |
105 | PL_scopestack_max = GROW(PL_scopestack_max); |
106 | Renew(PL_scopestack, PL_scopestack_max, I32); | |
d343c3ef GG |
107 | #ifdef DEBUGGING |
108 | Renew(PL_scopestack_name, PL_scopestack_max, const char*); | |
520bb150 | 109 | #endif |
79072805 | 110 | } |
d343c3ef GG |
111 | #ifdef DEBUGGING |
112 | PL_scopestack_name[PL_scopestack_ix] = "unknown"; | |
113 | #endif | |
3280af22 | 114 | PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix; |
79072805 LW |
115 | |
116 | } | |
117 | ||
118 | void | |
864dbfa3 | 119 | Perl_pop_scope(pTHX) |
79072805 | 120 | { |
35a4481c | 121 | const I32 oldsave = PL_scopestack[--PL_scopestack_ix]; |
8990e307 | 122 | LEAVE_SCOPE(oldsave); |
79072805 LW |
123 | } |
124 | ||
ba5248fc | 125 | I32 * |
864dbfa3 | 126 | Perl_markstack_grow(pTHX) |
a0d0e21e | 127 | { |
35a4481c AL |
128 | const I32 oldmax = PL_markstack_max - PL_markstack; |
129 | const I32 newmax = GROW(oldmax); | |
a0d0e21e | 130 | |
3280af22 | 131 | Renew(PL_markstack, newmax, I32); |
3280af22 | 132 | PL_markstack_max = PL_markstack + newmax; |
ba5248fc | 133 | PL_markstack_ptr = PL_markstack + oldmax; |
30773234 DM |
134 | DEBUG_s(DEBUG_v(PerlIO_printf(Perl_debug_log, |
135 | "MARK grow %p %"IVdf" by %"IVdf"\n", | |
136 | PL_markstack_ptr, (IV)*PL_markstack_ptr, (IV)oldmax))); | |
ba5248fc | 137 | return PL_markstack_ptr; |
a0d0e21e LW |
138 | } |
139 | ||
140 | void | |
864dbfa3 | 141 | Perl_savestack_grow(pTHX) |
79072805 | 142 | { |
8aacddc1 | 143 | PL_savestack_max = GROW(PL_savestack_max) + 4; |
3280af22 | 144 | Renew(PL_savestack, PL_savestack_max, ANY); |
79072805 LW |
145 | } |
146 | ||
4b3c1a47 AE |
147 | void |
148 | Perl_savestack_grow_cnt(pTHX_ I32 need) | |
149 | { | |
150 | PL_savestack_max = PL_savestack_ix + need; | |
151 | Renew(PL_savestack, PL_savestack_max, ANY); | |
152 | } | |
153 | ||
2ce36478 SM |
154 | #undef GROW |
155 | ||
a953aca5 DD |
156 | /* The original function was called Perl_tmps_grow and was removed from public |
157 | API, Perl_tmps_grow_p is the replacement and it used in public macros but | |
158 | isn't public itself. | |
159 | ||
160 | Perl_tmps_grow_p takes a proposed ix. A proposed ix is PL_tmps_ix + extend_by, | |
161 | where the result of (PL_tmps_ix + extend_by) is >= PL_tmps_max | |
162 | Upon return, PL_tmps_stack[ix] will be a valid address. For machine code | |
163 | optimization and register usage reasons, the proposed ix passed into | |
164 | tmps_grow is returned to the caller which the caller can then use to write | |
165 | an SV * to PL_tmps_stack[ix]. If the caller was using tmps_grow in | |
166 | pre-extend mode (EXTEND_MORTAL macro), then it ignores the return value of | |
167 | tmps_grow. Note, tmps_grow DOES NOT write ix to PL_tmps_ix, the caller | |
168 | must assign ix or ret val of tmps_grow to PL_temps_ix themselves if that is | |
169 | appropriate. The assignment to PL_temps_ix can happen before or after | |
170 | tmps_grow call since tmps_grow doesn't look at PL_tmps_ix. | |
171 | */ | |
172 | ||
173 | SSize_t | |
174 | Perl_tmps_grow_p(pTHX_ SSize_t ix) | |
677b06e3 | 175 | { |
a953aca5 | 176 | SSize_t extend_to = ix; |
677b06e3 | 177 | #ifndef STRESS_REALLOC |
a953aca5 DD |
178 | if (ix - PL_tmps_max < 128) |
179 | extend_to += (PL_tmps_max < 512) ? 128 : 512; | |
677b06e3 | 180 | #endif |
a953aca5 | 181 | PL_tmps_max = extend_to + 1; |
677b06e3 | 182 | Renew(PL_tmps_stack, PL_tmps_max, SV*); |
a953aca5 | 183 | return ix; |
677b06e3 GS |
184 | } |
185 | ||
186 | ||
187 | void | |
864dbfa3 | 188 | Perl_free_tmps(pTHX) |
79072805 LW |
189 | { |
190 | /* XXX should tmps_floor live in cxstack? */ | |
e8eb279c | 191 | const SSize_t myfloor = PL_tmps_floor; |
3280af22 | 192 | while (PL_tmps_ix > myfloor) { /* clean up after last statement */ |
22ade07d | 193 | SV* const sv = PL_tmps_stack[PL_tmps_ix--]; |
72581b5b VP |
194 | #ifdef PERL_POISON |
195 | PoisonWith(PL_tmps_stack + PL_tmps_ix + 1, 1, SV *, 0xAB); | |
22ade07d | 196 | #endif |
5d9574c1 | 197 | if (LIKELY(sv && sv != &PL_sv_undef)) { |
463ee0b2 | 198 | SvTEMP_off(sv); |
4a9a56a7 | 199 | SvREFCNT_dec_NN(sv); /* note, can modify tmps_ix!!! */ |
463ee0b2 | 200 | } |
79072805 LW |
201 | } |
202 | } | |
203 | ||
76e3520e | 204 | STATIC SV * |
af7df257 | 205 | S_save_scalar_at(pTHX_ SV **sptr, const U32 flags) |
79072805 | 206 | { |
75d34a09 | 207 | SV * osv; |
eb578fdb | 208 | SV *sv; |
79072805 | 209 | |
7918f24d NC |
210 | PERL_ARGS_ASSERT_SAVE_SCALAR_AT; |
211 | ||
75d34a09 | 212 | osv = *sptr; |
3c84a230 DM |
213 | if (flags & SAVEf_KEEPOLDELEM) |
214 | sv = osv; | |
215 | else { | |
216 | sv = (*sptr = newSV(0)); | |
217 | if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv)) | |
218 | mg_localize(osv, sv, cBOOL(flags & SAVEf_SETMAGIC)); | |
79072805 | 219 | } |
75d34a09 | 220 | |
79072805 LW |
221 | return sv; |
222 | } | |
223 | ||
dfcd3de5 NC |
224 | void |
225 | Perl_save_pushptrptr(pTHX_ void *const ptr1, void *const ptr2, const int type) | |
e22024d3 | 226 | { |
a3444cc5 DM |
227 | dSS_ADD; |
228 | SS_ADD_PTR(ptr1); | |
229 | SS_ADD_PTR(ptr2); | |
230 | SS_ADD_UV(type); | |
231 | SS_ADD_END(3); | |
e22024d3 NC |
232 | } |
233 | ||
7a4c00b4 | 234 | SV * |
864dbfa3 | 235 | Perl_save_scalar(pTHX_ GV *gv) |
7a4c00b4 | 236 | { |
13c59d41 | 237 | SV ** const sptr = &GvSVn(gv); |
7918f24d NC |
238 | |
239 | PERL_ARGS_ASSERT_SAVE_SCALAR; | |
240 | ||
13c59d41 | 241 | if (UNLIKELY(SvGMAGICAL(*sptr))) { |
b492a59e | 242 | PL_localizing = 1; |
13c59d41 | 243 | (void)mg_get(*sptr); |
b492a59e DM |
244 | PL_localizing = 0; |
245 | } | |
13c59d41 MH |
246 | save_pushptrptr(SvREFCNT_inc_simple(gv), SvREFCNT_inc(*sptr), SAVEt_SV); |
247 | return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */ | |
7a4c00b4 | 248 | } |
249 | ||
f4dd75d9 | 250 | /* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to |
b9d12d37 GS |
251 | * restore a global SV to its prior contents, freeing new value. */ |
252 | void | |
864dbfa3 | 253 | Perl_save_generic_svref(pTHX_ SV **sptr) |
b9d12d37 | 254 | { |
7918f24d NC |
255 | PERL_ARGS_ASSERT_SAVE_GENERIC_SVREF; |
256 | ||
e22024d3 | 257 | save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_GENERIC_SVREF); |
b9d12d37 GS |
258 | } |
259 | ||
f4dd75d9 GS |
260 | /* Like save_pptr(), but also Safefree()s the new value if it is different |
261 | * from the old one. Can be used to restore a global char* to its prior | |
262 | * contents, freeing new value. */ | |
263 | void | |
264 | Perl_save_generic_pvref(pTHX_ char **str) | |
265 | { | |
7918f24d NC |
266 | PERL_ARGS_ASSERT_SAVE_GENERIC_PVREF; |
267 | ||
e22024d3 | 268 | save_pushptrptr(*str, str, SAVEt_GENERIC_PVREF); |
f4dd75d9 GS |
269 | } |
270 | ||
05ec9bb3 NIS |
271 | /* Like save_generic_pvref(), but uses PerlMemShared_free() rather than Safefree(). |
272 | * Can be used to restore a shared global char* to its prior | |
273 | * contents, freeing new value. */ | |
274 | void | |
275 | Perl_save_shared_pvref(pTHX_ char **str) | |
276 | { | |
7918f24d NC |
277 | PERL_ARGS_ASSERT_SAVE_SHARED_PVREF; |
278 | ||
e22024d3 | 279 | save_pushptrptr(str, *str, SAVEt_SHARED_PVREF); |
05ec9bb3 NIS |
280 | } |
281 | ||
14f338dc DM |
282 | /* set the SvFLAGS specified by mask to the values in val */ |
283 | ||
284 | void | |
285 | Perl_save_set_svflags(pTHX_ SV* sv, U32 mask, U32 val) | |
286 | { | |
a3444cc5 | 287 | dSS_ADD; |
7918f24d NC |
288 | |
289 | PERL_ARGS_ASSERT_SAVE_SET_SVFLAGS; | |
290 | ||
a3444cc5 DM |
291 | SS_ADD_PTR(sv); |
292 | SS_ADD_INT(mask); | |
293 | SS_ADD_INT(val); | |
294 | SS_ADD_UV(SAVEt_SET_SVFLAGS); | |
295 | SS_ADD_END(4); | |
14f338dc DM |
296 | } |
297 | ||
364bbfa4 TC |
298 | /* |
299 | =for apidoc save_gp | |
300 | ||
301 | Saves the current GP of gv on the save stack to be restored on scope exit. | |
302 | ||
303 | If empty is true, replace the GP with a new GP. | |
304 | ||
305 | If empty is false, mark gv with GVf_INTRO so the next reference | |
306 | assigned is localized, which is how C< local *foo = $someref; > works. | |
307 | ||
308 | =cut | |
309 | */ | |
310 | ||
79072805 | 311 | void |
864dbfa3 | 312 | Perl_save_gp(pTHX_ GV *gv, I32 empty) |
79072805 | 313 | { |
7918f24d NC |
314 | PERL_ARGS_ASSERT_SAVE_GP; |
315 | ||
10507e11 | 316 | save_pushptrptr(SvREFCNT_inc(gv), GvGP(gv), SAVEt_GP); |
79072805 | 317 | |
5f05dabc | 318 | if (empty) { |
12816592 | 319 | GP *gp = Perl_newGP(aTHX_ gv); |
959f7ad7 | 320 | HV * const stash = GvSTASH(gv); |
3d460042 FC |
321 | bool isa_changed = 0; |
322 | ||
323 | if (stash && HvENAME(stash)) { | |
324 | if (GvNAMELEN(gv) == 3 && strnEQ(GvNAME(gv), "ISA", 3)) | |
325 | isa_changed = TRUE; | |
326 | else if (GvCVu(gv)) | |
327 | /* taking a method out of circulation ("local")*/ | |
328 | mro_method_changed_in(stash); | |
329 | } | |
146174a9 CB |
330 | if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) { |
331 | gp->gp_io = newIO(); | |
332 | IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START; | |
333 | } | |
c43ae56f | 334 | GvGP_set(gv,gp); |
3d460042 | 335 | if (isa_changed) mro_isa_changed_in(stash); |
5f05dabc | 336 | } |
337 | else { | |
44a8e56a | 338 | gp_ref(GvGP(gv)); |
5f05dabc | 339 | GvINTRO_on(gv); |
340 | } | |
79072805 | 341 | } |
79072805 | 342 | |
79072805 | 343 | AV * |
864dbfa3 | 344 | Perl_save_ary(pTHX_ GV *gv) |
79072805 | 345 | { |
901017d6 | 346 | AV * const oav = GvAVn(gv); |
67a38de0 | 347 | AV *av; |
fb73857a | 348 | |
7918f24d NC |
349 | PERL_ARGS_ASSERT_SAVE_ARY; |
350 | ||
5d9574c1 | 351 | if (UNLIKELY(!AvREAL(oav) && AvREIFY(oav))) |
67a38de0 | 352 | av_reify(oav); |
01433346 | 353 | save_pushptrptr(SvREFCNT_inc_simple_NN(gv), oav, SAVEt_AV); |
79072805 | 354 | |
4608196e | 355 | GvAV(gv) = NULL; |
fb73857a | 356 | av = GvAVn(gv); |
5d9574c1 | 357 | if (UNLIKELY(SvMAGIC(oav))) |
9711599e | 358 | mg_localize(MUTABLE_SV(oav), MUTABLE_SV(av), TRUE); |
fb73857a | 359 | return av; |
79072805 LW |
360 | } |
361 | ||
362 | HV * | |
864dbfa3 | 363 | Perl_save_hash(pTHX_ GV *gv) |
79072805 | 364 | { |
fb73857a | 365 | HV *ohv, *hv; |
366 | ||
7918f24d NC |
367 | PERL_ARGS_ASSERT_SAVE_HASH; |
368 | ||
01433346 FC |
369 | save_pushptrptr( |
370 | SvREFCNT_inc_simple_NN(gv), (ohv = GvHVn(gv)), SAVEt_HV | |
371 | ); | |
79072805 | 372 | |
4608196e | 373 | GvHV(gv) = NULL; |
fb73857a | 374 | hv = GvHVn(gv); |
5d9574c1 | 375 | if (UNLIKELY(SvMAGIC(ohv))) |
9711599e | 376 | mg_localize(MUTABLE_SV(ohv), MUTABLE_SV(hv), TRUE); |
fb73857a | 377 | return hv; |
79072805 LW |
378 | } |
379 | ||
380 | void | |
5aaab254 | 381 | Perl_save_item(pTHX_ SV *item) |
79072805 | 382 | { |
eb578fdb | 383 | SV * const sv = newSVsv(item); |
79072805 | 384 | |
7918f24d NC |
385 | PERL_ARGS_ASSERT_SAVE_ITEM; |
386 | ||
e22024d3 NC |
387 | save_pushptrptr(item, /* remember the pointer */ |
388 | sv, /* remember the value */ | |
389 | SAVEt_ITEM); | |
79072805 LW |
390 | } |
391 | ||
392 | void | |
1409bc06 | 393 | Perl_save_bool(pTHX_ bool *boolp) |
79072805 | 394 | { |
a3444cc5 | 395 | dSS_ADD; |
7918f24d | 396 | |
1409bc06 | 397 | PERL_ARGS_ASSERT_SAVE_BOOL; |
7918f24d | 398 | |
a3444cc5 DM |
399 | SS_ADD_PTR(boolp); |
400 | SS_ADD_UV(SAVEt_BOOL | (*boolp << 8)); | |
401 | SS_ADD_END(2); | |
1409bc06 NC |
402 | } |
403 | ||
7623d426 NC |
404 | void |
405 | Perl_save_pushi32ptr(pTHX_ const I32 i, void *const ptr, const int type) | |
1409bc06 | 406 | { |
a3444cc5 DM |
407 | dSS_ADD; |
408 | ||
409 | SS_ADD_INT(i); | |
410 | SS_ADD_PTR(ptr); | |
411 | SS_ADD_UV(type); | |
412 | SS_ADD_END(3); | |
79072805 LW |
413 | } |
414 | ||
415 | void | |
1409bc06 | 416 | Perl_save_int(pTHX_ int *intp) |
9febdf04 | 417 | { |
d172696c | 418 | const int i = *intp; |
9b139d09 | 419 | UV type = ((UV)((UV)i << SAVE_TIGHT_SHIFT) | SAVEt_INT_SMALL); |
d172696c DM |
420 | int size = 2; |
421 | dSS_ADD; | |
7918f24d | 422 | |
1409bc06 | 423 | PERL_ARGS_ASSERT_SAVE_INT; |
7918f24d | 424 | |
5d9574c1 | 425 | if (UNLIKELY((int)(type >> SAVE_TIGHT_SHIFT) != i)) { |
d172696c DM |
426 | SS_ADD_INT(i); |
427 | type = SAVEt_INT; | |
428 | size++; | |
429 | } | |
430 | SS_ADD_PTR(intp); | |
431 | SS_ADD_UV(type); | |
432 | SS_ADD_END(size); | |
9febdf04 RH |
433 | } |
434 | ||
435 | void | |
58188858 RGS |
436 | Perl_save_I8(pTHX_ I8 *bytep) |
437 | { | |
a3444cc5 | 438 | dSS_ADD; |
7918f24d NC |
439 | |
440 | PERL_ARGS_ASSERT_SAVE_I8; | |
441 | ||
a3444cc5 DM |
442 | SS_ADD_PTR(bytep); |
443 | SS_ADD_UV(SAVEt_I8 | ((UV)*bytep << 8)); | |
444 | SS_ADD_END(2); | |
58188858 RGS |
445 | } |
446 | ||
447 | void | |
87a84751 JH |
448 | Perl_save_I16(pTHX_ I16 *intp) |
449 | { | |
a3444cc5 | 450 | dSS_ADD; |
7918f24d NC |
451 | |
452 | PERL_ARGS_ASSERT_SAVE_I16; | |
453 | ||
a3444cc5 DM |
454 | SS_ADD_PTR(intp); |
455 | SS_ADD_UV(SAVEt_I16 | ((UV)*intp << 8)); | |
456 | SS_ADD_END(2); | |
87a84751 JH |
457 | } |
458 | ||
459 | void | |
864dbfa3 | 460 | Perl_save_I32(pTHX_ I32 *intp) |
79072805 | 461 | { |
d172696c | 462 | const I32 i = *intp; |
9b139d09 | 463 | UV type = ((I32)((U32)i << SAVE_TIGHT_SHIFT) | SAVEt_I32_SMALL); |
d172696c DM |
464 | int size = 2; |
465 | dSS_ADD; | |
7918f24d NC |
466 | |
467 | PERL_ARGS_ASSERT_SAVE_I32; | |
468 | ||
5d9574c1 | 469 | if (UNLIKELY((I32)(type >> SAVE_TIGHT_SHIFT) != i)) { |
d172696c DM |
470 | SS_ADD_INT(i); |
471 | type = SAVEt_I32; | |
472 | size++; | |
473 | } | |
474 | SS_ADD_PTR(intp); | |
475 | SS_ADD_UV(type); | |
476 | SS_ADD_END(size); | |
79072805 LW |
477 | } |
478 | ||
e8eb279c FC |
479 | void |
480 | Perl_save_strlen(pTHX_ STRLEN *ptr) | |
481 | { | |
e8eb279c FC |
482 | dSS_ADD; |
483 | ||
484 | PERL_ARGS_ASSERT_SAVE_STRLEN; | |
485 | ||
486 | SS_ADD_IV(*ptr); | |
487 | SS_ADD_PTR(ptr); | |
488 | SS_ADD_UV(SAVEt_STRLEN); | |
489 | SS_ADD_END(3); | |
490 | } | |
491 | ||
85e6fe83 LW |
492 | /* Cannot use save_sptr() to store a char* since the SV** cast will |
493 | * force word-alignment and we'll miss the pointer. | |
494 | */ | |
495 | void | |
864dbfa3 | 496 | Perl_save_pptr(pTHX_ char **pptr) |
85e6fe83 | 497 | { |
7918f24d NC |
498 | PERL_ARGS_ASSERT_SAVE_PPTR; |
499 | ||
e22024d3 | 500 | save_pushptrptr(*pptr, pptr, SAVEt_PPTR); |
85e6fe83 LW |
501 | } |
502 | ||
79072805 | 503 | void |
146174a9 CB |
504 | Perl_save_vptr(pTHX_ void *ptr) |
505 | { | |
7918f24d NC |
506 | PERL_ARGS_ASSERT_SAVE_VPTR; |
507 | ||
e22024d3 | 508 | save_pushptrptr(*(char**)ptr, ptr, SAVEt_VPTR); |
146174a9 CB |
509 | } |
510 | ||
511 | void | |
864dbfa3 | 512 | Perl_save_sptr(pTHX_ SV **sptr) |
79072805 | 513 | { |
7918f24d NC |
514 | PERL_ARGS_ASSERT_SAVE_SPTR; |
515 | ||
e22024d3 | 516 | save_pushptrptr(*sptr, sptr, SAVEt_SPTR); |
79072805 LW |
517 | } |
518 | ||
c3564e5c | 519 | void |
09edbca0 | 520 | Perl_save_padsv_and_mortalize(pTHX_ PADOFFSET off) |
c3564e5c | 521 | { |
a3444cc5 DM |
522 | dSS_ADD; |
523 | ||
f3548bdc | 524 | ASSERT_CURPAD_ACTIVE("save_padsv"); |
a3444cc5 DM |
525 | SS_ADD_PTR(SvREFCNT_inc_simple_NN(PL_curpad[off])); |
526 | SS_ADD_PTR(PL_comppad); | |
03dba561 | 527 | SS_ADD_UV((UV)off); |
a3444cc5 DM |
528 | SS_ADD_UV(SAVEt_PADSV_AND_MORTALIZE); |
529 | SS_ADD_END(4); | |
c3564e5c GS |
530 | } |
531 | ||
79072805 | 532 | void |
864dbfa3 | 533 | Perl_save_hptr(pTHX_ HV **hptr) |
79072805 | 534 | { |
7918f24d NC |
535 | PERL_ARGS_ASSERT_SAVE_HPTR; |
536 | ||
e22024d3 | 537 | save_pushptrptr(*hptr, hptr, SAVEt_HPTR); |
79072805 LW |
538 | } |
539 | ||
540 | void | |
864dbfa3 | 541 | Perl_save_aptr(pTHX_ AV **aptr) |
79072805 | 542 | { |
7918f24d NC |
543 | PERL_ARGS_ASSERT_SAVE_APTR; |
544 | ||
e22024d3 | 545 | save_pushptrptr(*aptr, aptr, SAVEt_APTR); |
79072805 LW |
546 | } |
547 | ||
548 | void | |
2fd8beea | 549 | Perl_save_pushptr(pTHX_ void *const ptr, const int type) |
8990e307 | 550 | { |
a3444cc5 DM |
551 | dSS_ADD; |
552 | SS_ADD_PTR(ptr); | |
553 | SS_ADD_UV(type); | |
554 | SS_ADD_END(2); | |
8990e307 LW |
555 | } |
556 | ||
557 | void | |
864dbfa3 | 558 | Perl_save_clearsv(pTHX_ SV **svp) |
8990e307 | 559 | { |
cdcdfc56 NC |
560 | const UV offset = svp - PL_curpad; |
561 | const UV offset_shifted = offset << SAVE_TIGHT_SHIFT; | |
7918f24d NC |
562 | |
563 | PERL_ARGS_ASSERT_SAVE_CLEARSV; | |
564 | ||
f3548bdc | 565 | ASSERT_CURPAD_ACTIVE("save_clearsv"); |
623e28c6 | 566 | SvPADSTALE_off(*svp); /* mark lexical as active */ |
5d9574c1 | 567 | if (UNLIKELY((offset_shifted >> SAVE_TIGHT_SHIFT) != offset)) { |
cdcdfc56 NC |
568 | Perl_croak(aTHX_ "panic: pad offset %"UVuf" out of range (%p-%p)", |
569 | offset, svp, PL_curpad); | |
a3444cc5 | 570 | } |
cdcdfc56 | 571 | |
a3444cc5 DM |
572 | { |
573 | dSS_ADD; | |
574 | SS_ADD_UV(offset_shifted | SAVEt_CLEARSV); | |
575 | SS_ADD_END(1); | |
576 | } | |
8990e307 LW |
577 | } |
578 | ||
579 | void | |
864dbfa3 | 580 | Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen) |
8990e307 | 581 | { |
7918f24d NC |
582 | PERL_ARGS_ASSERT_SAVE_DELETE; |
583 | ||
85a721ca | 584 | save_pushptri32ptr(key, klen, SvREFCNT_inc_simple(hv), SAVEt_DELETE); |
8990e307 LW |
585 | } |
586 | ||
587 | void | |
af097752 VP |
588 | Perl_save_hdelete(pTHX_ HV *hv, SV *keysv) |
589 | { | |
590 | STRLEN len; | |
591 | I32 klen; | |
592 | const char *key; | |
593 | ||
594 | PERL_ARGS_ASSERT_SAVE_HDELETE; | |
595 | ||
596 | key = SvPV_const(keysv, len); | |
597 | klen = SvUTF8(keysv) ? -(I32)len : (I32)len; | |
598 | SvREFCNT_inc_simple_void_NN(hv); | |
599 | save_pushptri32ptr(savepvn(key, len), klen, hv, SAVEt_DELETE); | |
600 | } | |
601 | ||
602 | void | |
c70927a6 | 603 | Perl_save_adelete(pTHX_ AV *av, SSize_t key) |
c68ec7a9 | 604 | { |
c70927a6 | 605 | dSS_ADD; |
c68ec7a9 VP |
606 | |
607 | PERL_ARGS_ASSERT_SAVE_ADELETE; | |
608 | ||
609 | SvREFCNT_inc_void(av); | |
c70927a6 FC |
610 | SS_ADD_UV(key); |
611 | SS_ADD_PTR(av); | |
612 | SS_ADD_IV(SAVEt_ADELETE); | |
613 | SS_ADD_END(3); | |
c68ec7a9 VP |
614 | } |
615 | ||
616 | void | |
12ab1f58 JH |
617 | Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p) |
618 | { | |
a3444cc5 | 619 | dSS_ADD; |
7918f24d NC |
620 | PERL_ARGS_ASSERT_SAVE_DESTRUCTOR; |
621 | ||
a3444cc5 DM |
622 | SS_ADD_DPTR(f); |
623 | SS_ADD_PTR(p); | |
624 | SS_ADD_UV(SAVEt_DESTRUCTOR); | |
625 | SS_ADD_END(3); | |
12ab1f58 JH |
626 | } |
627 | ||
628 | void | |
146174a9 CB |
629 | Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p) |
630 | { | |
a3444cc5 DM |
631 | dSS_ADD; |
632 | ||
633 | SS_ADD_DXPTR(f); | |
634 | SS_ADD_PTR(p); | |
635 | SS_ADD_UV(SAVEt_DESTRUCTOR_X); | |
636 | SS_ADD_END(3); | |
146174a9 CB |
637 | } |
638 | ||
639 | void | |
da8315f8 NC |
640 | Perl_save_hints(pTHX) |
641 | { | |
20439bc7 | 642 | COPHH *save_cophh = cophh_copy(CopHINTHASH_get(&PL_compiling)); |
da8315f8 | 643 | if (PL_hints & HINT_LOCALIZE_HH) { |
52c7aca6 FC |
644 | HV *oldhh = GvHV(PL_hintgv); |
645 | save_pushptri32ptr(oldhh, PL_hints, save_cophh, SAVEt_HINTS); | |
646 | GvHV(PL_hintgv) = NULL; /* in case copying dies */ | |
647 | GvHV(PL_hintgv) = hv_copy_hints_hv(oldhh); | |
be84297e | 648 | } else { |
20439bc7 | 649 | save_pushi32ptr(PL_hints, save_cophh, SAVEt_HINTS); |
da8315f8 | 650 | } |
be84297e NC |
651 | } |
652 | ||
653 | static void | |
654 | S_save_pushptri32ptr(pTHX_ void *const ptr1, const I32 i, void *const ptr2, | |
655 | const int type) | |
656 | { | |
a3444cc5 DM |
657 | dSS_ADD; |
658 | SS_ADD_PTR(ptr1); | |
659 | SS_ADD_INT(i); | |
660 | SS_ADD_PTR(ptr2); | |
661 | SS_ADD_UV(type); | |
662 | SS_ADD_END(4); | |
da8315f8 NC |
663 | } |
664 | ||
665 | void | |
c70927a6 FC |
666 | Perl_save_aelem_flags(pTHX_ AV *av, SSize_t idx, SV **sptr, |
667 | const U32 flags) | |
4e4c362e | 668 | { |
20b7effb | 669 | dSS_ADD; |
bfc4de9f | 670 | SV *sv; |
7918f24d | 671 | |
91d1c79f | 672 | PERL_ARGS_ASSERT_SAVE_AELEM_FLAGS; |
7918f24d | 673 | |
0cbee0a4 | 674 | SvGETMAGIC(*sptr); |
c70927a6 FC |
675 | SS_ADD_PTR(SvREFCNT_inc_simple(av)); |
676 | SS_ADD_IV(idx); | |
677 | SS_ADD_PTR(SvREFCNT_inc(*sptr)); | |
678 | SS_ADD_UV(SAVEt_AELEM); | |
679 | SS_ADD_END(4); | |
1cdc9186 FC |
680 | /* The array needs to hold a reference count on its new element, so it |
681 | must be AvREAL. */ | |
5d9574c1 | 682 | if (UNLIKELY(!AvREAL(av) && AvREIFY(av))) |
1cdc9186 | 683 | av_reify(av); |
91d1c79f | 684 | save_scalar_at(sptr, flags); /* XXX - FIXME - see #60360 */ |
75d34a09 VP |
685 | if (flags & SAVEf_KEEPOLDELEM) |
686 | return; | |
bfc4de9f DM |
687 | sv = *sptr; |
688 | /* If we're localizing a tied array element, this new sv | |
689 | * won't actually be stored in the array - so it won't get | |
690 | * reaped when the localize ends. Ensure it gets reaped by | |
691 | * mortifying it instead. DAPM */ | |
5d9574c1 | 692 | if (UNLIKELY(SvTIED_mg((const SV *)av, PERL_MAGIC_tied))) |
bfc4de9f | 693 | sv_2mortal(sv); |
4e4c362e GS |
694 | } |
695 | ||
696 | void | |
af7df257 | 697 | Perl_save_helem_flags(pTHX_ HV *hv, SV *key, SV **sptr, const U32 flags) |
4e4c362e | 698 | { |
bfc4de9f | 699 | SV *sv; |
7918f24d | 700 | |
af7df257 | 701 | PERL_ARGS_ASSERT_SAVE_HELEM_FLAGS; |
7918f24d | 702 | |
0cbee0a4 | 703 | SvGETMAGIC(*sptr); |
a3444cc5 DM |
704 | { |
705 | dSS_ADD; | |
706 | SS_ADD_PTR(SvREFCNT_inc_simple(hv)); | |
707 | SS_ADD_PTR(newSVsv(key)); | |
708 | SS_ADD_PTR(SvREFCNT_inc(*sptr)); | |
709 | SS_ADD_UV(SAVEt_HELEM); | |
710 | SS_ADD_END(4); | |
711 | } | |
af7df257 | 712 | save_scalar_at(sptr, flags); |
75d34a09 VP |
713 | if (flags & SAVEf_KEEPOLDELEM) |
714 | return; | |
bfc4de9f DM |
715 | sv = *sptr; |
716 | /* If we're localizing a tied hash element, this new sv | |
717 | * won't actually be stored in the hash - so it won't get | |
718 | * reaped when the localize ends. Ensure it gets reaped by | |
719 | * mortifying it instead. DAPM */ | |
5d9574c1 | 720 | if (UNLIKELY(SvTIED_mg((const SV *)hv, PERL_MAGIC_tied))) |
bfc4de9f | 721 | sv_2mortal(sv); |
4e4c362e GS |
722 | } |
723 | ||
2053acbf NC |
724 | SV* |
725 | Perl_save_svref(pTHX_ SV **sptr) | |
726 | { | |
7918f24d NC |
727 | PERL_ARGS_ASSERT_SAVE_SVREF; |
728 | ||
2053acbf | 729 | SvGETMAGIC(*sptr); |
e22024d3 | 730 | save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_SVREF); |
af7df257 | 731 | return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */ |
2053acbf NC |
732 | } |
733 | ||
455ece5e | 734 | I32 |
864dbfa3 | 735 | Perl_save_alloc(pTHX_ I32 size, I32 pad) |
455ece5e | 736 | { |
eb578fdb KW |
737 | const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix] |
738 | - (char*)PL_savestack); | |
1be36ce0 NC |
739 | const UV elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack)); |
740 | const UV elems_shifted = elems << SAVE_TIGHT_SHIFT; | |
455ece5e | 741 | |
5d9574c1 | 742 | if (UNLIKELY((elems_shifted >> SAVE_TIGHT_SHIFT) != elems)) |
93a641ae DM |
743 | Perl_croak(aTHX_ |
744 | "panic: save_alloc elems %"UVuf" out of range (%"IVdf"-%"IVdf")", | |
745 | elems, (IV)size, (IV)pad); | |
1be36ce0 NC |
746 | |
747 | SSGROW(elems + 1); | |
455ece5e AD |
748 | |
749 | PL_savestack_ix += elems; | |
1be36ce0 | 750 | SSPUSHUV(SAVEt_ALLOC | elems_shifted); |
455ece5e AD |
751 | return start; |
752 | } | |
753 | ||
03dba561 DM |
754 | |
755 | ||
756 | #define ARG0_SV MUTABLE_SV(arg0.any_ptr) | |
757 | #define ARG0_AV MUTABLE_AV(arg0.any_ptr) | |
758 | #define ARG0_HV MUTABLE_HV(arg0.any_ptr) | |
759 | #define ARG0_PTR arg0.any_ptr | |
760 | #define ARG0_PV (char*)(arg0.any_ptr) | |
761 | #define ARG0_PVP (char**)(arg0.any_ptr) | |
762 | #define ARG0_I32 (arg0.any_i32) | |
763 | ||
764 | #define ARG1_SV MUTABLE_SV(arg1.any_ptr) | |
765 | #define ARG1_AV MUTABLE_AV(arg1.any_ptr) | |
766 | #define ARG1_GV MUTABLE_GV(arg1.any_ptr) | |
767 | #define ARG1_SVP (SV**)(arg1.any_ptr) | |
768 | #define ARG1_PVP (char**)(arg1.any_ptr) | |
769 | #define ARG1_PTR arg1.any_ptr | |
770 | #define ARG1_PV (char*)(arg1.any_ptr) | |
771 | #define ARG1_I32 (arg1.any_i32) | |
772 | ||
773 | #define ARG2_SV MUTABLE_SV(arg2.any_ptr) | |
774 | #define ARG2_AV MUTABLE_AV(arg2.any_ptr) | |
775 | #define ARG2_HV MUTABLE_HV(arg2.any_ptr) | |
776 | #define ARG2_GV MUTABLE_GV(arg2.any_ptr) | |
777 | #define ARG2_PV (char*)(arg2.any_ptr) | |
778 | ||
462e5cf6 | 779 | void |
864dbfa3 | 780 | Perl_leave_scope(pTHX_ I32 base) |
79072805 | 781 | { |
302c0c93 | 782 | /* Localise the effects of the TAINT_NOT inside the loop. */ |
284167a5 | 783 | bool was = TAINT_get; |
79072805 | 784 | |
51418c6a JH |
785 | I32 i; |
786 | SV *sv; | |
787 | ||
03dba561 DM |
788 | ANY arg0, arg1, arg2; |
789 | ||
790 | /* these initialisations are logically unnecessary, but they shut up | |
791 | * spurious 'may be used uninitialized' compiler warnings */ | |
792 | arg0.any_ptr = NULL; | |
793 | arg1.any_ptr = NULL; | |
794 | arg2.any_ptr = NULL; | |
795 | ||
5d9574c1 | 796 | if (UNLIKELY(base < -1)) |
5637ef5b | 797 | Perl_croak(aTHX_ "panic: corrupt saved stack index %ld", (long) base); |
1c98cc53 DM |
798 | DEBUG_l(Perl_deb(aTHX_ "savestack: releasing items %ld -> %ld\n", |
799 | (long)PL_savestack_ix, (long)base)); | |
3280af22 | 800 | while (PL_savestack_ix > base) { |
03dba561 DM |
801 | UV uv; |
802 | U8 type; | |
803 | ||
804 | SV *refsv; | |
805 | SV **svp; | |
806 | ||
c6ae7647 NC |
807 | TAINT_NOT; |
808 | ||
03dba561 DM |
809 | { |
810 | I32 ix = PL_savestack_ix - 1; | |
811 | ANY *p = &PL_savestack[ix]; | |
812 | uv = p->any_uv; | |
813 | type = (U8)uv & SAVE_MASK; | |
814 | if (type > SAVEt_ARG0_MAX) { | |
815 | ANY *p0 = p; | |
816 | arg0 = *--p; | |
817 | if (type > SAVEt_ARG1_MAX) { | |
818 | arg1 = *--p; | |
819 | if (type > SAVEt_ARG2_MAX) { | |
820 | arg2 = *--p; | |
821 | } | |
822 | } | |
823 | ix -= (p0 - p); | |
824 | } | |
825 | PL_savestack_ix = ix; | |
826 | } | |
827 | ||
c6bf6a65 | 828 | switch (type) { |
79072805 | 829 | case SAVEt_ITEM: /* normal string */ |
03dba561 | 830 | sv_replace(ARG1_SV, ARG0_SV); |
5d9574c1 | 831 | if (UNLIKELY(SvSMAGICAL(ARG1_SV))) { |
b492a59e DM |
832 | PL_localizing = 2; |
833 | mg_set(ARG1_SV); | |
834 | PL_localizing = 0; | |
835 | } | |
79072805 | 836 | break; |
03dba561 DM |
837 | |
838 | /* This would be a mathom, but Perl_save_svref() calls a static | |
839 | function, S_save_scalar_at(), so has to stay in this file. */ | |
840 | case SAVEt_SVREF: /* scalar reference */ | |
841 | svp = ARG1_SVP; | |
842 | refsv = NULL; /* what to refcnt_dec */ | |
843 | goto restore_sv; | |
844 | ||
8aacddc1 | 845 | case SAVEt_SV: /* scalar reference */ |
03dba561 DM |
846 | svp = &GvSV(ARG1_GV); |
847 | refsv = ARG1_SV; /* what to refcnt_dec */ | |
2053acbf | 848 | restore_sv: |
03dba561 DM |
849 | { |
850 | SV * const sv = *svp; | |
851 | *svp = ARG0_SV; | |
2053acbf | 852 | SvREFCNT_dec(sv); |
5d9574c1 | 853 | if (UNLIKELY(SvSMAGICAL(ARG0_SV))) { |
2baebb98 DM |
854 | /* mg_set could die, skipping the freeing of ARG0_SV and |
855 | * refsv; Ensure that they're always freed in that case */ | |
856 | dSS_ADD; | |
857 | SS_ADD_PTR(ARG0_SV); | |
858 | SS_ADD_UV(SAVEt_FREESV); | |
859 | SS_ADD_PTR(refsv); | |
860 | SS_ADD_UV(SAVEt_FREESV); | |
861 | SS_ADD_END(4); | |
b492a59e DM |
862 | PL_localizing = 2; |
863 | mg_set(ARG0_SV); | |
864 | PL_localizing = 0; | |
2baebb98 | 865 | break; |
b492a59e | 866 | } |
4a9a56a7 | 867 | SvREFCNT_dec_NN(ARG0_SV); |
03dba561 | 868 | SvREFCNT_dec(refsv); |
2053acbf | 869 | break; |
03dba561 | 870 | } |
8aacddc1 | 871 | case SAVEt_GENERIC_PVREF: /* generic pv */ |
03dba561 DM |
872 | if (*ARG0_PVP != ARG1_PV) { |
873 | Safefree(*ARG0_PVP); | |
874 | *ARG0_PVP = ARG1_PV; | |
f4dd75d9 GS |
875 | } |
876 | break; | |
05ec9bb3 | 877 | case SAVEt_SHARED_PVREF: /* shared pv */ |
03dba561 | 878 | if (*ARG1_PVP != ARG0_PV) { |
5e54c26f | 879 | #ifdef NETWARE |
03dba561 | 880 | PerlMem_free(*ARG1_PVP); |
5e54c26f | 881 | #else |
03dba561 | 882 | PerlMemShared_free(*ARG1_PVP); |
5e54c26f | 883 | #endif |
03dba561 | 884 | *ARG1_PVP = ARG0_PV; |
05ec9bb3 NIS |
885 | } |
886 | break; | |
f83b46a0 | 887 | case SAVEt_GVSV: /* scalar slot in GV */ |
03dba561 | 888 | svp = &GvSV(ARG1_GV); |
f83b46a0 | 889 | goto restore_svp; |
8aacddc1 | 890 | case SAVEt_GENERIC_SVREF: /* generic sv */ |
03dba561 | 891 | svp = ARG1_SVP; |
f83b46a0 | 892 | restore_svp: |
03dba561 DM |
893 | { |
894 | SV * const sv = *svp; | |
895 | *svp = ARG0_SV; | |
f4dd75d9 | 896 | SvREFCNT_dec(sv); |
03dba561 | 897 | SvREFCNT_dec(ARG0_SV); |
b9d12d37 | 898 | break; |
03dba561 | 899 | } |
db9306af | 900 | case SAVEt_GVSLOT: /* any slot in GV */ |
03dba561 DM |
901 | { |
902 | HV *const hv = GvSTASH(ARG2_GV); | |
903 | svp = ARG1_SVP; | |
db9306af | 904 | if (hv && HvENAME(hv) && ( |
03dba561 DM |
905 | (ARG0_SV && SvTYPE(ARG0_SV) == SVt_PVCV) |
906 | || (*svp && SvTYPE(*svp) == SVt_PVCV) | |
db9306af FC |
907 | )) |
908 | { | |
03dba561 DM |
909 | if ((char *)svp < (char *)GvGP(ARG2_GV) |
910 | || (char *)svp > (char *)GvGP(ARG2_GV) + sizeof(struct gp) | |
a3d47e0d | 911 | || GvREFCNT(ARG2_GV) > 2) /* "> 2" to ignore savestack's ref */ |
db9306af FC |
912 | PL_sub_generation++; |
913 | else mro_method_changed_in(hv); | |
914 | } | |
915 | goto restore_svp; | |
03dba561 | 916 | } |
8aacddc1 | 917 | case SAVEt_AV: /* array reference */ |
03dba561 DM |
918 | SvREFCNT_dec(GvAV(ARG1_GV)); |
919 | GvAV(ARG1_GV) = ARG0_AV; | |
2baebb98 | 920 | avhv_common: |
5d9574c1 | 921 | if (UNLIKELY(SvSMAGICAL(ARG0_SV))) { |
2baebb98 DM |
922 | /* mg_set might die, so make sure ARG1 isn't leaked */ |
923 | dSS_ADD; | |
924 | SS_ADD_PTR(ARG1_SV); | |
925 | SS_ADD_UV(SAVEt_FREESV); | |
926 | SS_ADD_END(2); | |
b492a59e DM |
927 | PL_localizing = 2; |
928 | mg_set(ARG0_SV); | |
929 | PL_localizing = 0; | |
2baebb98 | 930 | break; |
b492a59e | 931 | } |
4a9a56a7 | 932 | SvREFCNT_dec_NN(ARG1_GV); |
8aacddc1 NIS |
933 | break; |
934 | case SAVEt_HV: /* hash reference */ | |
03dba561 DM |
935 | SvREFCNT_dec(GvHV(ARG1_GV)); |
936 | GvHV(ARG1_GV) = ARG0_HV; | |
2baebb98 DM |
937 | goto avhv_common; |
938 | ||
994d373a | 939 | case SAVEt_INT_SMALL: |
03dba561 | 940 | *(int*)ARG0_PTR = (int)(uv >> SAVE_TIGHT_SHIFT); |
994d373a | 941 | break; |
79072805 | 942 | case SAVEt_INT: /* int reference */ |
03dba561 | 943 | *(int*)ARG0_PTR = (int)ARG1_I32; |
79072805 | 944 | break; |
e8eb279c FC |
945 | case SAVEt_STRLEN: /* STRLEN/size_t ref */ |
946 | *(STRLEN*)ARG0_PTR = (STRLEN)arg1.any_iv; | |
947 | break; | |
9febdf04 | 948 | case SAVEt_BOOL: /* bool reference */ |
03dba561 | 949 | *(bool*)ARG0_PTR = cBOOL(uv >> 8); |
9a9b5ec9 DM |
950 | #ifdef NO_TAINT_SUPPORT |
951 | PERL_UNUSED_VAR(was); | |
952 | #else | |
5d9574c1 | 953 | if (UNLIKELY(ARG0_PTR == &(TAINT_get))) { |
b6f93e7a KW |
954 | /* If we don't update <was>, to reflect what was saved on the |
955 | * stack for PL_tainted, then we will overwrite this attempt to | |
956 | * restore it when we exit this routine. Note that this won't | |
957 | * work if this value was saved in a wider-than necessary type, | |
958 | * such as I32 */ | |
03dba561 | 959 | was = *(bool*)ARG0_PTR; |
b6f93e7a | 960 | } |
284167a5 | 961 | #endif |
9febdf04 | 962 | break; |
89abef21 | 963 | case SAVEt_I32_SMALL: |
03dba561 | 964 | *(I32*)ARG0_PTR = (I32)(uv >> SAVE_TIGHT_SHIFT); |
89abef21 | 965 | break; |
79072805 | 966 | case SAVEt_I32: /* I32 reference */ |
3235b7a3 | 967 | #ifdef PERL_DEBUG_READONLY_OPS |
03dba561 | 968 | if (*(I32*)ARG0_PTR != ARG1_I32) |
3235b7a3 | 969 | #endif |
03dba561 | 970 | *(I32*)ARG0_PTR = ARG1_I32; |
79072805 LW |
971 | break; |
972 | case SAVEt_SPTR: /* SV* reference */ | |
03dba561 | 973 | *(SV**)(ARG0_PTR)= ARG1_SV; |
79072805 | 974 | break; |
146174a9 | 975 | case SAVEt_VPTR: /* random* reference */ |
85e6fe83 | 976 | case SAVEt_PPTR: /* char* reference */ |
03dba561 | 977 | *ARG0_PVP = ARG1_PV; |
85e6fe83 | 978 | break; |
79072805 | 979 | case SAVEt_HPTR: /* HV* reference */ |
03dba561 | 980 | *(HV**)ARG0_PTR = MUTABLE_HV(ARG1_PTR); |
79072805 LW |
981 | break; |
982 | case SAVEt_APTR: /* AV* reference */ | |
03dba561 | 983 | *(AV**)ARG0_PTR = ARG1_AV; |
79072805 | 984 | break; |
fb73857a | 985 | case SAVEt_GP: /* scalar reference */ |
03dba561 DM |
986 | { |
987 | HV *hv; | |
988 | /* possibly taking a method out of circulation */ | |
989 | const bool had_method = !!GvCVu(ARG1_GV); | |
990 | gp_free(ARG1_GV); | |
991 | GvGP_set(ARG1_GV, (GP*)ARG0_PTR); | |
992 | if ((hv=GvSTASH(ARG1_GV)) && HvENAME_get(hv)) { | |
993 | if ( GvNAMELEN(ARG1_GV) == 3 | |
994 | && strnEQ(GvNAME(ARG1_GV), "ISA", 3) | |
995 | ) | |
996 | mro_isa_changed_in(hv); | |
997 | else if (had_method || GvCVu(ARG1_GV)) | |
998 | /* putting a method back into circulation ("local")*/ | |
999 | gv_method_changed(ARG1_GV); | |
3d460042 | 1000 | } |
4a9a56a7 | 1001 | SvREFCNT_dec_NN(ARG1_GV); |
8aacddc1 | 1002 | break; |
03dba561 | 1003 | } |
8990e307 | 1004 | case SAVEt_FREESV: |
03dba561 | 1005 | SvREFCNT_dec(ARG0_SV); |
8990e307 | 1006 | break; |
0f94cb1f FC |
1007 | case SAVEt_FREEPADNAME: |
1008 | PadnameREFCNT_dec((PADNAME *)ARG0_PTR); | |
1009 | break; | |
3987a177 | 1010 | case SAVEt_FREECOPHH: |
03dba561 | 1011 | cophh_free((COPHH *)ARG0_PTR); |
3987a177 | 1012 | break; |
26d9b02f | 1013 | case SAVEt_MORTALIZESV: |
03dba561 | 1014 | sv_2mortal(ARG0_SV); |
26d9b02f | 1015 | break; |
8990e307 | 1016 | case SAVEt_FREEOP: |
5e5ba94b | 1017 | ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); |
03dba561 | 1018 | op_free((OP*)ARG0_PTR); |
8990e307 LW |
1019 | break; |
1020 | case SAVEt_FREEPV: | |
03dba561 | 1021 | Safefree(ARG0_PTR); |
8990e307 | 1022 | break; |
4e09461c | 1023 | |
4e09461c DM |
1024 | case SAVEt_CLEARPADRANGE: |
1025 | i = (I32)((uv >> SAVE_TIGHT_SHIFT) & OPpPADRANGE_COUNTMASK); | |
1026 | svp = &PL_curpad[uv >> | |
1027 | (OPpPADRANGE_COUNTSHIFT + SAVE_TIGHT_SHIFT)] + i - 1; | |
1028 | goto clearsv; | |
8990e307 | 1029 | case SAVEt_CLEARSV: |
4e09461c DM |
1030 | svp = &PL_curpad[uv >> SAVE_TIGHT_SHIFT]; |
1031 | i = 1; | |
1032 | clearsv: | |
1033 | for (; i; i--, svp--) { | |
528ad060 DM |
1034 | sv = *svp; |
1035 | ||
1036 | DEBUG_Xv(PerlIO_printf(Perl_debug_log, | |
1037 | "Pad 0x%"UVxf"[0x%"UVxf"] clearsv: %ld sv=0x%"UVxf"<%"IVdf"> %s\n", | |
1038 | PTR2UV(PL_comppad), PTR2UV(PL_curpad), | |
1039 | (long)(svp-PL_curpad), PTR2UV(sv), (IV)SvREFCNT(sv), | |
1040 | (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon" | |
1041 | )); | |
1042 | ||
1043 | /* Can clear pad variable in place? */ | |
9af15990 | 1044 | if (SvREFCNT(sv) == 1 && !SvOBJECT(sv)) { |
a07f0bef | 1045 | |
a07f0bef DM |
1046 | /* these flags are the union of all the relevant flags |
1047 | * in the individual conditions within */ | |
1048 | if (UNLIKELY(SvFLAGS(sv) & ( | |
a623f893 | 1049 | SVf_READONLY|SVf_PROTECT /*for SvREADONLY_off*/ |
a07f0bef | 1050 | | (SVs_GMG|SVs_SMG|SVs_RMG) /* SvMAGICAL() */ |
7532eaae | 1051 | | SVf_OOK |
a07f0bef DM |
1052 | | SVf_THINKFIRST))) |
1053 | { | |
7500fc82 DM |
1054 | /* if a my variable that was made readonly is |
1055 | * going out of scope, we want to remove the | |
1056 | * readonlyness so that it can go out of scope | |
1057 | * quietly | |
1058 | */ | |
57c404c9 | 1059 | if (SvREADONLY(sv)) |
7500fc82 DM |
1060 | SvREADONLY_off(sv); |
1061 | ||
7532eaae DM |
1062 | if (SvOOK(sv)) { /* OOK or HvAUX */ |
1063 | if (SvTYPE(sv) == SVt_PVHV) | |
1064 | Perl_hv_kill_backrefs(aTHX_ MUTABLE_HV(sv)); | |
1065 | else | |
1066 | sv_backoff(sv); | |
1067 | } | |
1068 | ||
7500fc82 | 1069 | if (SvMAGICAL(sv)) { |
7532eaae DM |
1070 | /* note that backrefs (either in HvAUX or magic) |
1071 | * must be removed before other magic */ | |
7500fc82 DM |
1072 | sv_unmagic(sv, PERL_MAGIC_backref); |
1073 | if (SvTYPE(sv) != SVt_PVCV) | |
1074 | mg_free(sv); | |
1075 | } | |
1076 | if (SvTHINKFIRST(sv)) | |
1077 | sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF | |
1078 | |SV_COW_DROP_PV); | |
528ad060 | 1079 | |
a07f0bef | 1080 | } |
528ad060 DM |
1081 | switch (SvTYPE(sv)) { |
1082 | case SVt_NULL: | |
1083 | break; | |
1084 | case SVt_PVAV: | |
1085 | av_clear(MUTABLE_AV(sv)); | |
1086 | break; | |
1087 | case SVt_PVHV: | |
1088 | hv_clear(MUTABLE_HV(sv)); | |
1089 | break; | |
1090 | case SVt_PVCV: | |
1091 | { | |
db5cc3ee | 1092 | HEK *hek = |
db5cc3ee | 1093 | CvNAMED(sv) |
9c98a81f FC |
1094 | ? CvNAME_HEK((CV *)sv) |
1095 | : GvNAME_HEK(CvGV(sv)); | |
528ad060 | 1096 | assert(hek); |
6110d17a | 1097 | (void)share_hek_hek(hek); |
528ad060 DM |
1098 | cv_undef((CV *)sv); |
1099 | CvNAME_HEK_set(sv, hek); | |
f3feca7a | 1100 | CvLEXICAL_on(sv); |
528ad060 DM |
1101 | break; |
1102 | } | |
1103 | default: | |
c79d0076 NC |
1104 | /* This looks odd, but these two macros are for use in |
1105 | expressions and finish with a trailing comma, so | |
1106 | adding a ; after them would be wrong. */ | |
1107 | assert_not_ROK(sv) | |
1108 | assert_not_glob(sv) | |
5c85b638 | 1109 | SvFLAGS(sv) &=~ (SVf_OK|SVf_IVisUV|SVf_UTF8); |
528ad060 DM |
1110 | break; |
1111 | } | |
82e85a9c | 1112 | SvPADTMP_off(sv); |
528ad060 DM |
1113 | SvPADSTALE_on(sv); /* mark as no longer live */ |
1114 | } | |
1115 | else { /* Someone has a claim on this, so abandon it. */ | |
528ad060 DM |
1116 | switch (SvTYPE(sv)) { /* Console ourselves with a new value */ |
1117 | case SVt_PVAV: *svp = MUTABLE_SV(newAV()); break; | |
1118 | case SVt_PVHV: *svp = MUTABLE_SV(newHV()); break; | |
1119 | case SVt_PVCV: | |
1120 | { | |
9c98a81f FC |
1121 | HEK * const hek = CvNAMED(sv) |
1122 | ? CvNAME_HEK((CV *)sv) | |
1123 | : GvNAME_HEK(CvGV(sv)); | |
1124 | ||
528ad060 DM |
1125 | /* Create a stub */ |
1126 | *svp = newSV_type(SVt_PVCV); | |
1127 | ||
1128 | /* Share name */ | |
528ad060 | 1129 | CvNAME_HEK_set(*svp, |
9c98a81f | 1130 | share_hek_hek(hek)); |
f3feca7a | 1131 | CvLEXICAL_on(*svp); |
528ad060 DM |
1132 | break; |
1133 | } | |
1134 | default: *svp = newSV(0); break; | |
1135 | } | |
4a9a56a7 | 1136 | SvREFCNT_dec_NN(sv); /* Cast current value to the winds. */ |
528ad060 DM |
1137 | /* preserve pad nature, but also mark as not live |
1138 | * for any closure capturing */ | |
145bf8ee | 1139 | SvFLAGS(*svp) |= SVs_PADSTALE; |
528ad060 | 1140 | } |
4e09461c | 1141 | } |
8990e307 LW |
1142 | break; |
1143 | case SAVEt_DELETE: | |
03dba561 DM |
1144 | (void)hv_delete(ARG0_HV, ARG2_PV, ARG1_I32, G_DISCARD); |
1145 | SvREFCNT_dec(ARG0_HV); | |
1146 | Safefree(arg2.any_ptr); | |
8990e307 | 1147 | break; |
c68ec7a9 | 1148 | case SAVEt_ADELETE: |
c70927a6 | 1149 | (void)av_delete(ARG0_AV, arg1.any_iv, G_DISCARD); |
03dba561 | 1150 | SvREFCNT_dec(ARG0_AV); |
c68ec7a9 | 1151 | break; |
146174a9 | 1152 | case SAVEt_DESTRUCTOR_X: |
03dba561 | 1153 | (*arg1.any_dxptr)(aTHX_ ARG0_PTR); |
a0d0e21e LW |
1154 | break; |
1155 | case SAVEt_REGCONTEXT: | |
e0fa7e2b | 1156 | /* regexp must have croaked */ |
455ece5e | 1157 | case SAVEt_ALLOC: |
1be36ce0 | 1158 | PL_savestack_ix -= uv >> SAVE_TIGHT_SHIFT; |
a0d0e21e | 1159 | break; |
55497cff | 1160 | case SAVEt_STACK_POS: /* Position on Perl stack */ |
03dba561 | 1161 | PL_stack_sp = PL_stack_base + arg0.any_i32; |
55497cff | 1162 | break; |
161b7d16 | 1163 | case SAVEt_AELEM: /* array element */ |
c70927a6 | 1164 | svp = av_fetch(ARG2_AV, arg1.any_iv, 1); |
5d9574c1 | 1165 | if (UNLIKELY(!AvREAL(ARG2_AV) && AvREIFY(ARG2_AV))) /* undo reify guard */ |
03dba561 | 1166 | SvREFCNT_dec(ARG0_SV); |
5d9574c1 | 1167 | if (LIKELY(svp)) { |
03dba561 | 1168 | SV * const sv = *svp; |
5d9574c1 DM |
1169 | if (LIKELY(sv && sv != &PL_sv_undef)) { |
1170 | if (UNLIKELY(SvTIED_mg((const SV *)ARG2_AV, PERL_MAGIC_tied))) | |
b37c2d43 | 1171 | SvREFCNT_inc_void_NN(sv); |
03dba561 | 1172 | refsv = ARG2_SV; |
4e4c362e GS |
1173 | goto restore_sv; |
1174 | } | |
1175 | } | |
03dba561 DM |
1176 | SvREFCNT_dec(ARG2_AV); |
1177 | SvREFCNT_dec(ARG0_SV); | |
4e4c362e | 1178 | break; |
161b7d16 | 1179 | case SAVEt_HELEM: /* hash element */ |
03dba561 DM |
1180 | { |
1181 | HE * const he = hv_fetch_ent(ARG2_HV, ARG1_SV, 1, 0); | |
1182 | SvREFCNT_dec(ARG1_SV); | |
5d9574c1 | 1183 | if (LIKELY(he)) { |
03dba561 | 1184 | const SV * const oval = HeVAL(he); |
5d9574c1 | 1185 | if (LIKELY(oval && oval != &PL_sv_undef)) { |
03dba561 | 1186 | svp = &HeVAL(he); |
5d9574c1 | 1187 | if (UNLIKELY(SvTIED_mg((const SV *)ARG2_HV, PERL_MAGIC_tied))) |
03dba561 DM |
1188 | SvREFCNT_inc_void(*svp); |
1189 | refsv = ARG2_SV; /* what to refcnt_dec */ | |
4e4c362e GS |
1190 | goto restore_sv; |
1191 | } | |
1192 | } | |
03dba561 DM |
1193 | SvREFCNT_dec(ARG2_HV); |
1194 | SvREFCNT_dec(ARG0_SV); | |
4e4c362e | 1195 | break; |
03dba561 | 1196 | } |
462e5cf6 | 1197 | case SAVEt_OP: |
03dba561 | 1198 | PL_op = (OP*)ARG0_PTR; |
462e5cf6 | 1199 | break; |
25eaa213 | 1200 | case SAVEt_HINTS: |
3607ca02 FC |
1201 | if ((PL_hints & HINT_LOCALIZE_HH)) { |
1202 | while (GvHV(PL_hintgv)) { | |
2653c1e3 | 1203 | HV *hv = GvHV(PL_hintgv); |
045ac317 | 1204 | GvHV(PL_hintgv) = NULL; |
2653c1e3 | 1205 | SvREFCNT_dec(MUTABLE_SV(hv)); |
3607ca02 | 1206 | } |
045ac317 | 1207 | } |
20439bc7 | 1208 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
03dba561 DM |
1209 | CopHINTHASH_set(&PL_compiling, (COPHH*)ARG0_PTR); |
1210 | *(I32*)&PL_hints = ARG1_I32; | |
dfa41748 | 1211 | if (PL_hints & HINT_LOCALIZE_HH) { |
ad64d0ec | 1212 | SvREFCNT_dec(MUTABLE_SV(GvHV(PL_hintgv))); |
85fbaab2 | 1213 | GvHV(PL_hintgv) = MUTABLE_HV(SSPOPPTR); |
2653c1e3 DM |
1214 | } |
1215 | if (!GvHV(PL_hintgv)) { | |
a3fb8386 FC |
1216 | /* Need to add a new one manually, else rv2hv can |
1217 | add one via GvHVn and it won't have the magic set. */ | |
5b9c0671 NC |
1218 | HV *const hv = newHV(); |
1219 | hv_magic(hv, NULL, PERL_MAGIC_hints); | |
1220 | GvHV(PL_hintgv) = hv; | |
dfa41748 | 1221 | } |
5b9c0671 | 1222 | assert(GvHV(PL_hintgv)); |
b3ac6de7 | 1223 | break; |
cb50131a | 1224 | case SAVEt_COMPPAD: |
03dba561 | 1225 | PL_comppad = (PAD*)ARG0_PTR; |
5d9574c1 | 1226 | if (LIKELY(PL_comppad)) |
cb50131a CB |
1227 | PL_curpad = AvARRAY(PL_comppad); |
1228 | else | |
4608196e | 1229 | PL_curpad = NULL; |
cb50131a | 1230 | break; |
09edbca0 | 1231 | case SAVEt_PADSV_AND_MORTALIZE: |
c3564e5c | 1232 | { |
09edbca0 | 1233 | SV **svp; |
03dba561 DM |
1234 | assert (ARG1_PTR); |
1235 | svp = AvARRAY((PAD*)ARG1_PTR) + (PADOFFSET)arg0.any_uv; | |
09edbca0 NC |
1236 | /* This mortalizing used to be done by POPLOOP() via itersave. |
1237 | But as we have all the information here, we can do it here, | |
1238 | save even having to have itersave in the struct. */ | |
1239 | sv_2mortal(*svp); | |
03dba561 | 1240 | *svp = ARG2_SV; |
c3564e5c GS |
1241 | } |
1242 | break; | |
8b7059b1 DM |
1243 | case SAVEt_SAVESWITCHSTACK: |
1244 | { | |
1245 | dSP; | |
03dba561 DM |
1246 | SWITCHSTACK(ARG0_AV, ARG1_AV); |
1247 | PL_curstackinfo->si_stack = ARG1_AV; | |
8b7059b1 DM |
1248 | } |
1249 | break; | |
14f338dc | 1250 | case SAVEt_SET_SVFLAGS: |
03dba561 DM |
1251 | SvFLAGS(ARG2_SV) &= ~((U32)ARG1_I32); |
1252 | SvFLAGS(ARG2_SV) |= (U32)ARG0_I32; | |
14f338dc | 1253 | break; |
95e06916 | 1254 | |
95e06916 NC |
1255 | /* These are only saved in mathoms.c */ |
1256 | case SAVEt_NSTAB: | |
03dba561 | 1257 | (void)sv_clear(ARG0_SV); |
95e06916 | 1258 | break; |
2053acbf | 1259 | case SAVEt_LONG: /* long reference */ |
03dba561 | 1260 | *(long*)ARG0_PTR = arg1.any_long; |
2053acbf | 1261 | break; |
95e06916 | 1262 | case SAVEt_IV: /* IV reference */ |
03dba561 | 1263 | *(IV*)ARG0_PTR = arg1.any_iv; |
95e06916 NC |
1264 | break; |
1265 | ||
2053acbf | 1266 | case SAVEt_I16: /* I16 reference */ |
03dba561 | 1267 | *(I16*)ARG0_PTR = (I16)(uv >> 8); |
2053acbf NC |
1268 | break; |
1269 | case SAVEt_I8: /* I8 reference */ | |
03dba561 | 1270 | *(I8*)ARG0_PTR = (I8)(uv >> 8); |
2053acbf | 1271 | break; |
2053acbf | 1272 | case SAVEt_DESTRUCTOR: |
03dba561 | 1273 | (*arg1.any_dptr)(ARG0_PTR); |
2053acbf | 1274 | break; |
68da3b2f | 1275 | case SAVEt_COMPILE_WARNINGS: |
68da3b2f NC |
1276 | if (!specialWARN(PL_compiling.cop_warnings)) |
1277 | PerlMemShared_free(PL_compiling.cop_warnings); | |
72dc9ed5 | 1278 | |
03dba561 | 1279 | PL_compiling.cop_warnings = (STRLEN*)ARG0_PTR; |
72dc9ed5 | 1280 | break; |
7c197c94 | 1281 | case SAVEt_PARSER: |
03dba561 | 1282 | parser_free((yy_parser *) ARG0_PTR); |
7c197c94 | 1283 | break; |
20d5dc23 FC |
1284 | case SAVEt_READONLY_OFF: |
1285 | SvREADONLY_off(ARG0_SV); | |
1286 | break; | |
79072805 | 1287 | default: |
5637ef5b | 1288 | Perl_croak(aTHX_ "panic: leave_scope inconsistency %u", type); |
79072805 LW |
1289 | } |
1290 | } | |
302c0c93 | 1291 | |
284167a5 | 1292 | TAINT_set(was); |
79072805 | 1293 | } |
8990e307 | 1294 | |
8990e307 | 1295 | void |
864dbfa3 | 1296 | Perl_cx_dump(pTHX_ PERL_CONTEXT *cx) |
8990e307 | 1297 | { |
7918f24d NC |
1298 | PERL_ARGS_ASSERT_CX_DUMP; |
1299 | ||
35ff7856 | 1300 | #ifdef DEBUGGING |
22c35a8c | 1301 | PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]); |
6b35e009 | 1302 | if (CxTYPE(cx) != CXt_SUBST) { |
e8d9e9d0 | 1303 | const char *gimme_text; |
760ac839 | 1304 | PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp); |
146174a9 CB |
1305 | PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n", |
1306 | PTR2UV(cx->blk_oldcop)); | |
760ac839 LW |
1307 | PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp); |
1308 | PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp); | |
146174a9 CB |
1309 | PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n", |
1310 | PTR2UV(cx->blk_oldpm)); | |
e8d9e9d0 VP |
1311 | switch (cx->blk_gimme) { |
1312 | case G_VOID: | |
1313 | gimme_text = "VOID"; | |
1314 | break; | |
1315 | case G_SCALAR: | |
1316 | gimme_text = "SCALAR"; | |
1317 | break; | |
1318 | case G_ARRAY: | |
1319 | gimme_text = "LIST"; | |
1320 | break; | |
1321 | default: | |
1322 | gimme_text = "UNKNOWN"; | |
1323 | break; | |
1324 | } | |
1325 | PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", gimme_text); | |
8990e307 | 1326 | } |
6b35e009 | 1327 | switch (CxTYPE(cx)) { |
8990e307 LW |
1328 | case CXt_NULL: |
1329 | case CXt_BLOCK: | |
1330 | break; | |
146174a9 | 1331 | case CXt_FORMAT: |
f9c764c5 NC |
1332 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.CV = 0x%"UVxf"\n", |
1333 | PTR2UV(cx->blk_format.cv)); | |
1334 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.GV = 0x%"UVxf"\n", | |
1335 | PTR2UV(cx->blk_format.gv)); | |
1336 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.DFOUTGV = 0x%"UVxf"\n", | |
1337 | PTR2UV(cx->blk_format.dfoutgv)); | |
1338 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.HASARGS = %d\n", | |
bafb2adc | 1339 | (int)CxHASARGS(cx)); |
f9c764c5 NC |
1340 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.RETOP = 0x%"UVxf"\n", |
1341 | PTR2UV(cx->blk_format.retop)); | |
146174a9 | 1342 | break; |
8990e307 | 1343 | case CXt_SUB: |
146174a9 CB |
1344 | PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n", |
1345 | PTR2UV(cx->blk_sub.cv)); | |
760ac839 | 1346 | PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n", |
8990e307 | 1347 | (long)cx->blk_sub.olddepth); |
760ac839 | 1348 | PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n", |
bafb2adc NC |
1349 | (int)CxHASARGS(cx)); |
1350 | PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n", (int)CxLVAL(cx)); | |
f39bc417 DM |
1351 | PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n", |
1352 | PTR2UV(cx->blk_sub.retop)); | |
8990e307 LW |
1353 | break; |
1354 | case CXt_EVAL: | |
760ac839 | 1355 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n", |
85a64632 | 1356 | (long)CxOLD_IN_EVAL(cx)); |
760ac839 | 1357 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n", |
85a64632 NC |
1358 | PL_op_name[CxOLD_OP_TYPE(cx)], |
1359 | PL_op_desc[CxOLD_OP_TYPE(cx)]); | |
0f79a09d GS |
1360 | if (cx->blk_eval.old_namesv) |
1361 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n", | |
aa07b2f6 | 1362 | SvPVX_const(cx->blk_eval.old_namesv)); |
146174a9 CB |
1363 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n", |
1364 | PTR2UV(cx->blk_eval.old_eval_root)); | |
f39bc417 DM |
1365 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.RETOP = 0x%"UVxf"\n", |
1366 | PTR2UV(cx->blk_eval.retop)); | |
8990e307 LW |
1367 | break; |
1368 | ||
c6fdafd0 | 1369 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1370 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
1371 | case CXt_LOOP_FOR: |
1372 | case CXt_LOOP_PLAIN: | |
0cbdab38 | 1373 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n", CxLABEL(cx)); |
760ac839 | 1374 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n", |
8990e307 | 1375 | (long)cx->blk_loop.resetsp); |
022eaa24 NC |
1376 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.MY_OP = 0x%"UVxf"\n", |
1377 | PTR2UV(cx->blk_loop.my_op)); | |
d01136d6 | 1378 | /* XXX: not accurate for LAZYSV/IV */ |
146174a9 | 1379 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n", |
d01136d6 BS |
1380 | PTR2UV(cx->blk_loop.state_u.ary.ary)); |
1381 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n", | |
1382 | (long)cx->blk_loop.state_u.ary.ix); | |
146174a9 CB |
1383 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n", |
1384 | PTR2UV(CxITERVAR(cx))); | |
8990e307 LW |
1385 | break; |
1386 | ||
1387 | case CXt_SUBST: | |
760ac839 | 1388 | PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n", |
8990e307 | 1389 | (long)cx->sb_iters); |
760ac839 | 1390 | PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n", |
8990e307 | 1391 | (long)cx->sb_maxiters); |
35ef4773 GS |
1392 | PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n", |
1393 | (long)cx->sb_rflags); | |
760ac839 | 1394 | PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n", |
c5bed6a7 | 1395 | (long)CxONCE(cx)); |
760ac839 | 1396 | PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n", |
8990e307 | 1397 | cx->sb_orig); |
146174a9 CB |
1398 | PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%"UVxf"\n", |
1399 | PTR2UV(cx->sb_dstr)); | |
1400 | PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%"UVxf"\n", | |
1401 | PTR2UV(cx->sb_targ)); | |
1402 | PerlIO_printf(Perl_debug_log, "SB_S = 0x%"UVxf"\n", | |
1403 | PTR2UV(cx->sb_s)); | |
1404 | PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n", | |
1405 | PTR2UV(cx->sb_m)); | |
1406 | PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%"UVxf"\n", | |
1407 | PTR2UV(cx->sb_strend)); | |
1408 | PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%"UVxf"\n", | |
1409 | PTR2UV(cx->sb_rxres)); | |
8990e307 LW |
1410 | break; |
1411 | } | |
65e66c80 | 1412 | #else |
96a5add6 | 1413 | PERL_UNUSED_CONTEXT; |
65e66c80 | 1414 | PERL_UNUSED_ARG(cx); |
17c3b450 | 1415 | #endif /* DEBUGGING */ |
35ff7856 | 1416 | } |
241d1a3b NC |
1417 | |
1418 | /* | |
14d04a33 | 1419 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 1420 | */ |