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 | { |
7918f24d NC |
32 | PERL_ARGS_ASSERT_STACK_GROW; |
33 | ||
3280af22 | 34 | PL_stack_sp = sp; |
2ce36478 | 35 | #ifndef STRESS_REALLOC |
3280af22 | 36 | av_extend(PL_curstack, (p - PL_stack_base) + (n) + 128); |
2ce36478 | 37 | #else |
6b88bc9c | 38 | av_extend(PL_curstack, (p - PL_stack_base) + (n) + 1); |
2ce36478 | 39 | #endif |
3280af22 | 40 | return PL_stack_sp; |
a0d0e21e LW |
41 | } |
42 | ||
2ce36478 SM |
43 | #ifndef STRESS_REALLOC |
44 | #define GROW(old) ((old) * 3 / 2) | |
45 | #else | |
46 | #define GROW(old) ((old) + 1) | |
47 | #endif | |
48 | ||
e336de0d | 49 | PERL_SI * |
864dbfa3 | 50 | Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems) |
e336de0d GS |
51 | { |
52 | PERL_SI *si; | |
a02a5408 | 53 | Newx(si, 1, PERL_SI); |
e336de0d GS |
54 | si->si_stack = newAV(); |
55 | AvREAL_off(si->si_stack); | |
56 | av_extend(si->si_stack, stitems > 0 ? stitems-1 : 0); | |
3280af22 | 57 | AvALLOC(si->si_stack)[0] = &PL_sv_undef; |
e336de0d GS |
58 | AvFILLp(si->si_stack) = 0; |
59 | si->si_prev = 0; | |
60 | si->si_next = 0; | |
61 | si->si_cxmax = cxitems - 1; | |
62 | si->si_cxix = -1; | |
e788e7d3 | 63 | si->si_type = PERLSI_UNDEF; |
a02a5408 | 64 | Newx(si->si_cxstack, cxitems, PERL_CONTEXT); |
9965345d JH |
65 | /* Without any kind of initialising PUSHSUBST() |
66 | * in pp_subst() will read uninitialised heap. */ | |
7e337ee0 | 67 | PoisonNew(si->si_cxstack, cxitems, PERL_CONTEXT); |
e336de0d GS |
68 | return si; |
69 | } | |
70 | ||
79072805 | 71 | I32 |
864dbfa3 | 72 | Perl_cxinc(pTHX) |
79072805 | 73 | { |
a3b680e6 | 74 | const IV old_max = cxstack_max; |
2ce36478 | 75 | cxstack_max = GROW(cxstack_max); |
401a9b14 | 76 | Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); |
9965345d JH |
77 | /* Without any kind of initialising deep enough recursion |
78 | * will end up reading uninitialised PERL_CONTEXTs. */ | |
109bf713 | 79 | PoisonNew(cxstack + old_max + 1, cxstack_max - old_max, PERL_CONTEXT); |
79072805 LW |
80 | return cxstack_ix + 1; |
81 | } | |
82 | ||
79072805 | 83 | void |
864dbfa3 | 84 | Perl_push_scope(pTHX) |
79072805 | 85 | { |
5d9574c1 | 86 | if (UNLIKELY(PL_scopestack_ix == PL_scopestack_max)) { |
3280af22 NIS |
87 | PL_scopestack_max = GROW(PL_scopestack_max); |
88 | Renew(PL_scopestack, PL_scopestack_max, I32); | |
d343c3ef GG |
89 | #ifdef DEBUGGING |
90 | Renew(PL_scopestack_name, PL_scopestack_max, const char*); | |
520bb150 | 91 | #endif |
79072805 | 92 | } |
d343c3ef GG |
93 | #ifdef DEBUGGING |
94 | PL_scopestack_name[PL_scopestack_ix] = "unknown"; | |
95 | #endif | |
3280af22 | 96 | PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix; |
79072805 LW |
97 | |
98 | } | |
99 | ||
100 | void | |
864dbfa3 | 101 | Perl_pop_scope(pTHX) |
79072805 | 102 | { |
35a4481c | 103 | const I32 oldsave = PL_scopestack[--PL_scopestack_ix]; |
8990e307 | 104 | LEAVE_SCOPE(oldsave); |
79072805 LW |
105 | } |
106 | ||
ba5248fc | 107 | I32 * |
864dbfa3 | 108 | Perl_markstack_grow(pTHX) |
a0d0e21e | 109 | { |
35a4481c AL |
110 | const I32 oldmax = PL_markstack_max - PL_markstack; |
111 | const I32 newmax = GROW(oldmax); | |
a0d0e21e | 112 | |
3280af22 | 113 | Renew(PL_markstack, newmax, I32); |
3280af22 | 114 | PL_markstack_max = PL_markstack + newmax; |
ba5248fc DD |
115 | PL_markstack_ptr = PL_markstack + oldmax; |
116 | return PL_markstack_ptr; | |
a0d0e21e LW |
117 | } |
118 | ||
119 | void | |
864dbfa3 | 120 | Perl_savestack_grow(pTHX) |
79072805 | 121 | { |
8aacddc1 | 122 | PL_savestack_max = GROW(PL_savestack_max) + 4; |
3280af22 | 123 | Renew(PL_savestack, PL_savestack_max, ANY); |
79072805 LW |
124 | } |
125 | ||
4b3c1a47 AE |
126 | void |
127 | Perl_savestack_grow_cnt(pTHX_ I32 need) | |
128 | { | |
129 | PL_savestack_max = PL_savestack_ix + need; | |
130 | Renew(PL_savestack, PL_savestack_max, ANY); | |
131 | } | |
132 | ||
2ce36478 SM |
133 | #undef GROW |
134 | ||
79072805 | 135 | void |
e8eb279c | 136 | Perl_tmps_grow(pTHX_ SSize_t n) |
677b06e3 | 137 | { |
677b06e3 GS |
138 | #ifndef STRESS_REALLOC |
139 | if (n < 128) | |
140 | n = (PL_tmps_max < 512) ? 128 : 512; | |
141 | #endif | |
142 | PL_tmps_max = PL_tmps_ix + n + 1; | |
143 | Renew(PL_tmps_stack, PL_tmps_max, SV*); | |
144 | } | |
145 | ||
146 | ||
147 | void | |
864dbfa3 | 148 | Perl_free_tmps(pTHX) |
79072805 LW |
149 | { |
150 | /* XXX should tmps_floor live in cxstack? */ | |
e8eb279c | 151 | const SSize_t myfloor = PL_tmps_floor; |
3280af22 | 152 | while (PL_tmps_ix > myfloor) { /* clean up after last statement */ |
22ade07d | 153 | SV* const sv = PL_tmps_stack[PL_tmps_ix--]; |
72581b5b VP |
154 | #ifdef PERL_POISON |
155 | PoisonWith(PL_tmps_stack + PL_tmps_ix + 1, 1, SV *, 0xAB); | |
22ade07d | 156 | #endif |
5d9574c1 | 157 | if (LIKELY(sv && sv != &PL_sv_undef)) { |
463ee0b2 | 158 | SvTEMP_off(sv); |
4a9a56a7 | 159 | SvREFCNT_dec_NN(sv); /* note, can modify tmps_ix!!! */ |
463ee0b2 | 160 | } |
79072805 LW |
161 | } |
162 | } | |
163 | ||
76e3520e | 164 | STATIC SV * |
af7df257 | 165 | S_save_scalar_at(pTHX_ SV **sptr, const U32 flags) |
79072805 | 166 | { |
75d34a09 | 167 | SV * osv; |
eb578fdb | 168 | SV *sv; |
79072805 | 169 | |
7918f24d NC |
170 | PERL_ARGS_ASSERT_SAVE_SCALAR_AT; |
171 | ||
75d34a09 VP |
172 | osv = *sptr; |
173 | sv = (flags & SAVEf_KEEPOLDELEM) ? osv : (*sptr = newSV(0)); | |
174 | ||
f1f99dc1 | 175 | if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv)) { |
a0d0e21e | 176 | if (SvGMAGICAL(osv)) { |
a0d0e21e | 177 | SvFLAGS(osv) |= (SvFLAGS(osv) & |
c268c2a6 | 178 | (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
a0d0e21e | 179 | } |
75d34a09 | 180 | if (!(flags & SAVEf_KEEPOLDELEM)) |
2dcac756 | 181 | mg_localize(osv, sv, cBOOL(flags & SAVEf_SETMAGIC)); |
79072805 | 182 | } |
75d34a09 | 183 | |
79072805 LW |
184 | return sv; |
185 | } | |
186 | ||
dfcd3de5 NC |
187 | void |
188 | Perl_save_pushptrptr(pTHX_ void *const ptr1, void *const ptr2, const int type) | |
e22024d3 | 189 | { |
a3444cc5 DM |
190 | dSS_ADD; |
191 | SS_ADD_PTR(ptr1); | |
192 | SS_ADD_PTR(ptr2); | |
193 | SS_ADD_UV(type); | |
194 | SS_ADD_END(3); | |
e22024d3 NC |
195 | } |
196 | ||
7a4c00b4 | 197 | SV * |
864dbfa3 | 198 | Perl_save_scalar(pTHX_ GV *gv) |
7a4c00b4 | 199 | { |
fb4fc1fa | 200 | SV ** const sptr = &GvSVn(gv); |
7918f24d NC |
201 | |
202 | PERL_ARGS_ASSERT_SAVE_SCALAR; | |
203 | ||
5d9574c1 | 204 | if (UNLIKELY(SvGMAGICAL(*sptr))) { |
b492a59e DM |
205 | PL_localizing = 1; |
206 | (void)mg_get(*sptr); | |
207 | PL_localizing = 0; | |
208 | } | |
e22024d3 | 209 | save_pushptrptr(SvREFCNT_inc_simple(gv), SvREFCNT_inc(*sptr), SAVEt_SV); |
af7df257 | 210 | return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */ |
7a4c00b4 | 211 | } |
212 | ||
f4dd75d9 | 213 | /* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to |
b9d12d37 GS |
214 | * restore a global SV to its prior contents, freeing new value. */ |
215 | void | |
864dbfa3 | 216 | Perl_save_generic_svref(pTHX_ SV **sptr) |
b9d12d37 | 217 | { |
7918f24d NC |
218 | PERL_ARGS_ASSERT_SAVE_GENERIC_SVREF; |
219 | ||
e22024d3 | 220 | save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_GENERIC_SVREF); |
b9d12d37 GS |
221 | } |
222 | ||
f4dd75d9 GS |
223 | /* Like save_pptr(), but also Safefree()s the new value if it is different |
224 | * from the old one. Can be used to restore a global char* to its prior | |
225 | * contents, freeing new value. */ | |
226 | void | |
227 | Perl_save_generic_pvref(pTHX_ char **str) | |
228 | { | |
7918f24d NC |
229 | PERL_ARGS_ASSERT_SAVE_GENERIC_PVREF; |
230 | ||
e22024d3 | 231 | save_pushptrptr(*str, str, SAVEt_GENERIC_PVREF); |
f4dd75d9 GS |
232 | } |
233 | ||
05ec9bb3 NIS |
234 | /* Like save_generic_pvref(), but uses PerlMemShared_free() rather than Safefree(). |
235 | * Can be used to restore a shared global char* to its prior | |
236 | * contents, freeing new value. */ | |
237 | void | |
238 | Perl_save_shared_pvref(pTHX_ char **str) | |
239 | { | |
7918f24d NC |
240 | PERL_ARGS_ASSERT_SAVE_SHARED_PVREF; |
241 | ||
e22024d3 | 242 | save_pushptrptr(str, *str, SAVEt_SHARED_PVREF); |
05ec9bb3 NIS |
243 | } |
244 | ||
14f338dc DM |
245 | /* set the SvFLAGS specified by mask to the values in val */ |
246 | ||
247 | void | |
248 | Perl_save_set_svflags(pTHX_ SV* sv, U32 mask, U32 val) | |
249 | { | |
a3444cc5 | 250 | dSS_ADD; |
7918f24d NC |
251 | |
252 | PERL_ARGS_ASSERT_SAVE_SET_SVFLAGS; | |
253 | ||
a3444cc5 DM |
254 | SS_ADD_PTR(sv); |
255 | SS_ADD_INT(mask); | |
256 | SS_ADD_INT(val); | |
257 | SS_ADD_UV(SAVEt_SET_SVFLAGS); | |
258 | SS_ADD_END(4); | |
14f338dc DM |
259 | } |
260 | ||
79072805 | 261 | void |
864dbfa3 | 262 | Perl_save_gp(pTHX_ GV *gv, I32 empty) |
79072805 | 263 | { |
7918f24d NC |
264 | PERL_ARGS_ASSERT_SAVE_GP; |
265 | ||
10507e11 | 266 | save_pushptrptr(SvREFCNT_inc(gv), GvGP(gv), SAVEt_GP); |
79072805 | 267 | |
5f05dabc | 268 | if (empty) { |
12816592 | 269 | GP *gp = Perl_newGP(aTHX_ gv); |
959f7ad7 | 270 | HV * const stash = GvSTASH(gv); |
3d460042 FC |
271 | bool isa_changed = 0; |
272 | ||
273 | if (stash && HvENAME(stash)) { | |
274 | if (GvNAMELEN(gv) == 3 && strnEQ(GvNAME(gv), "ISA", 3)) | |
275 | isa_changed = TRUE; | |
276 | else if (GvCVu(gv)) | |
277 | /* taking a method out of circulation ("local")*/ | |
278 | mro_method_changed_in(stash); | |
279 | } | |
146174a9 CB |
280 | if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) { |
281 | gp->gp_io = newIO(); | |
282 | IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START; | |
283 | } | |
c43ae56f | 284 | GvGP_set(gv,gp); |
3d460042 | 285 | if (isa_changed) mro_isa_changed_in(stash); |
5f05dabc | 286 | } |
287 | else { | |
44a8e56a | 288 | gp_ref(GvGP(gv)); |
5f05dabc | 289 | GvINTRO_on(gv); |
290 | } | |
79072805 | 291 | } |
79072805 | 292 | |
79072805 | 293 | AV * |
864dbfa3 | 294 | Perl_save_ary(pTHX_ GV *gv) |
79072805 | 295 | { |
901017d6 | 296 | AV * const oav = GvAVn(gv); |
67a38de0 | 297 | AV *av; |
fb73857a | 298 | |
7918f24d NC |
299 | PERL_ARGS_ASSERT_SAVE_ARY; |
300 | ||
5d9574c1 | 301 | if (UNLIKELY(!AvREAL(oav) && AvREIFY(oav))) |
67a38de0 | 302 | av_reify(oav); |
01433346 | 303 | save_pushptrptr(SvREFCNT_inc_simple_NN(gv), oav, SAVEt_AV); |
79072805 | 304 | |
4608196e | 305 | GvAV(gv) = NULL; |
fb73857a | 306 | av = GvAVn(gv); |
5d9574c1 | 307 | if (UNLIKELY(SvMAGIC(oav))) |
9711599e | 308 | mg_localize(MUTABLE_SV(oav), MUTABLE_SV(av), TRUE); |
fb73857a | 309 | return av; |
79072805 LW |
310 | } |
311 | ||
312 | HV * | |
864dbfa3 | 313 | Perl_save_hash(pTHX_ GV *gv) |
79072805 | 314 | { |
fb73857a | 315 | HV *ohv, *hv; |
316 | ||
7918f24d NC |
317 | PERL_ARGS_ASSERT_SAVE_HASH; |
318 | ||
01433346 FC |
319 | save_pushptrptr( |
320 | SvREFCNT_inc_simple_NN(gv), (ohv = GvHVn(gv)), SAVEt_HV | |
321 | ); | |
79072805 | 322 | |
4608196e | 323 | GvHV(gv) = NULL; |
fb73857a | 324 | hv = GvHVn(gv); |
5d9574c1 | 325 | if (UNLIKELY(SvMAGIC(ohv))) |
9711599e | 326 | mg_localize(MUTABLE_SV(ohv), MUTABLE_SV(hv), TRUE); |
fb73857a | 327 | return hv; |
79072805 LW |
328 | } |
329 | ||
330 | void | |
5aaab254 | 331 | Perl_save_item(pTHX_ SV *item) |
79072805 | 332 | { |
eb578fdb | 333 | SV * const sv = newSVsv(item); |
79072805 | 334 | |
7918f24d NC |
335 | PERL_ARGS_ASSERT_SAVE_ITEM; |
336 | ||
e22024d3 NC |
337 | save_pushptrptr(item, /* remember the pointer */ |
338 | sv, /* remember the value */ | |
339 | SAVEt_ITEM); | |
79072805 LW |
340 | } |
341 | ||
342 | void | |
1409bc06 | 343 | Perl_save_bool(pTHX_ bool *boolp) |
79072805 | 344 | { |
a3444cc5 | 345 | dSS_ADD; |
7918f24d | 346 | |
1409bc06 | 347 | PERL_ARGS_ASSERT_SAVE_BOOL; |
7918f24d | 348 | |
a3444cc5 DM |
349 | SS_ADD_PTR(boolp); |
350 | SS_ADD_UV(SAVEt_BOOL | (*boolp << 8)); | |
351 | SS_ADD_END(2); | |
1409bc06 NC |
352 | } |
353 | ||
7623d426 NC |
354 | void |
355 | Perl_save_pushi32ptr(pTHX_ const I32 i, void *const ptr, const int type) | |
1409bc06 | 356 | { |
a3444cc5 DM |
357 | dSS_ADD; |
358 | ||
359 | SS_ADD_INT(i); | |
360 | SS_ADD_PTR(ptr); | |
361 | SS_ADD_UV(type); | |
362 | SS_ADD_END(3); | |
79072805 LW |
363 | } |
364 | ||
365 | void | |
1409bc06 | 366 | Perl_save_int(pTHX_ int *intp) |
9febdf04 | 367 | { |
d172696c | 368 | const int i = *intp; |
9b139d09 | 369 | UV type = ((UV)((UV)i << SAVE_TIGHT_SHIFT) | SAVEt_INT_SMALL); |
d172696c DM |
370 | int size = 2; |
371 | dSS_ADD; | |
7918f24d | 372 | |
1409bc06 | 373 | PERL_ARGS_ASSERT_SAVE_INT; |
7918f24d | 374 | |
5d9574c1 | 375 | if (UNLIKELY((int)(type >> SAVE_TIGHT_SHIFT) != i)) { |
d172696c DM |
376 | SS_ADD_INT(i); |
377 | type = SAVEt_INT; | |
378 | size++; | |
379 | } | |
380 | SS_ADD_PTR(intp); | |
381 | SS_ADD_UV(type); | |
382 | SS_ADD_END(size); | |
9febdf04 RH |
383 | } |
384 | ||
385 | void | |
58188858 RGS |
386 | Perl_save_I8(pTHX_ I8 *bytep) |
387 | { | |
a3444cc5 | 388 | dSS_ADD; |
7918f24d NC |
389 | |
390 | PERL_ARGS_ASSERT_SAVE_I8; | |
391 | ||
a3444cc5 DM |
392 | SS_ADD_PTR(bytep); |
393 | SS_ADD_UV(SAVEt_I8 | ((UV)*bytep << 8)); | |
394 | SS_ADD_END(2); | |
58188858 RGS |
395 | } |
396 | ||
397 | void | |
87a84751 JH |
398 | Perl_save_I16(pTHX_ I16 *intp) |
399 | { | |
a3444cc5 | 400 | dSS_ADD; |
7918f24d NC |
401 | |
402 | PERL_ARGS_ASSERT_SAVE_I16; | |
403 | ||
a3444cc5 DM |
404 | SS_ADD_PTR(intp); |
405 | SS_ADD_UV(SAVEt_I16 | ((UV)*intp << 8)); | |
406 | SS_ADD_END(2); | |
87a84751 JH |
407 | } |
408 | ||
409 | void | |
864dbfa3 | 410 | Perl_save_I32(pTHX_ I32 *intp) |
79072805 | 411 | { |
d172696c | 412 | const I32 i = *intp; |
9b139d09 | 413 | UV type = ((I32)((U32)i << SAVE_TIGHT_SHIFT) | SAVEt_I32_SMALL); |
d172696c DM |
414 | int size = 2; |
415 | dSS_ADD; | |
7918f24d NC |
416 | |
417 | PERL_ARGS_ASSERT_SAVE_I32; | |
418 | ||
5d9574c1 | 419 | if (UNLIKELY((I32)(type >> SAVE_TIGHT_SHIFT) != i)) { |
d172696c DM |
420 | SS_ADD_INT(i); |
421 | type = SAVEt_I32; | |
422 | size++; | |
423 | } | |
424 | SS_ADD_PTR(intp); | |
425 | SS_ADD_UV(type); | |
426 | SS_ADD_END(size); | |
79072805 LW |
427 | } |
428 | ||
e8eb279c FC |
429 | void |
430 | Perl_save_strlen(pTHX_ STRLEN *ptr) | |
431 | { | |
e8eb279c FC |
432 | dSS_ADD; |
433 | ||
434 | PERL_ARGS_ASSERT_SAVE_STRLEN; | |
435 | ||
436 | SS_ADD_IV(*ptr); | |
437 | SS_ADD_PTR(ptr); | |
438 | SS_ADD_UV(SAVEt_STRLEN); | |
439 | SS_ADD_END(3); | |
440 | } | |
441 | ||
85e6fe83 LW |
442 | /* Cannot use save_sptr() to store a char* since the SV** cast will |
443 | * force word-alignment and we'll miss the pointer. | |
444 | */ | |
445 | void | |
864dbfa3 | 446 | Perl_save_pptr(pTHX_ char **pptr) |
85e6fe83 | 447 | { |
7918f24d NC |
448 | PERL_ARGS_ASSERT_SAVE_PPTR; |
449 | ||
e22024d3 | 450 | save_pushptrptr(*pptr, pptr, SAVEt_PPTR); |
85e6fe83 LW |
451 | } |
452 | ||
79072805 | 453 | void |
146174a9 CB |
454 | Perl_save_vptr(pTHX_ void *ptr) |
455 | { | |
7918f24d NC |
456 | PERL_ARGS_ASSERT_SAVE_VPTR; |
457 | ||
e22024d3 | 458 | save_pushptrptr(*(char**)ptr, ptr, SAVEt_VPTR); |
146174a9 CB |
459 | } |
460 | ||
461 | void | |
864dbfa3 | 462 | Perl_save_sptr(pTHX_ SV **sptr) |
79072805 | 463 | { |
7918f24d NC |
464 | PERL_ARGS_ASSERT_SAVE_SPTR; |
465 | ||
e22024d3 | 466 | save_pushptrptr(*sptr, sptr, SAVEt_SPTR); |
79072805 LW |
467 | } |
468 | ||
c3564e5c | 469 | void |
09edbca0 | 470 | Perl_save_padsv_and_mortalize(pTHX_ PADOFFSET off) |
c3564e5c | 471 | { |
a3444cc5 DM |
472 | dSS_ADD; |
473 | ||
f3548bdc | 474 | ASSERT_CURPAD_ACTIVE("save_padsv"); |
a3444cc5 DM |
475 | SS_ADD_PTR(SvREFCNT_inc_simple_NN(PL_curpad[off])); |
476 | SS_ADD_PTR(PL_comppad); | |
03dba561 | 477 | SS_ADD_UV((UV)off); |
a3444cc5 DM |
478 | SS_ADD_UV(SAVEt_PADSV_AND_MORTALIZE); |
479 | SS_ADD_END(4); | |
c3564e5c GS |
480 | } |
481 | ||
79072805 | 482 | void |
864dbfa3 | 483 | Perl_save_hptr(pTHX_ HV **hptr) |
79072805 | 484 | { |
7918f24d NC |
485 | PERL_ARGS_ASSERT_SAVE_HPTR; |
486 | ||
e22024d3 | 487 | save_pushptrptr(*hptr, hptr, SAVEt_HPTR); |
79072805 LW |
488 | } |
489 | ||
490 | void | |
864dbfa3 | 491 | Perl_save_aptr(pTHX_ AV **aptr) |
79072805 | 492 | { |
7918f24d NC |
493 | PERL_ARGS_ASSERT_SAVE_APTR; |
494 | ||
e22024d3 | 495 | save_pushptrptr(*aptr, aptr, SAVEt_APTR); |
79072805 LW |
496 | } |
497 | ||
498 | void | |
2fd8beea | 499 | Perl_save_pushptr(pTHX_ void *const ptr, const int type) |
8990e307 | 500 | { |
a3444cc5 DM |
501 | dSS_ADD; |
502 | SS_ADD_PTR(ptr); | |
503 | SS_ADD_UV(type); | |
504 | SS_ADD_END(2); | |
8990e307 LW |
505 | } |
506 | ||
507 | void | |
864dbfa3 | 508 | Perl_save_clearsv(pTHX_ SV **svp) |
8990e307 | 509 | { |
cdcdfc56 NC |
510 | const UV offset = svp - PL_curpad; |
511 | const UV offset_shifted = offset << SAVE_TIGHT_SHIFT; | |
7918f24d NC |
512 | |
513 | PERL_ARGS_ASSERT_SAVE_CLEARSV; | |
514 | ||
f3548bdc | 515 | ASSERT_CURPAD_ACTIVE("save_clearsv"); |
623e28c6 | 516 | SvPADSTALE_off(*svp); /* mark lexical as active */ |
5d9574c1 | 517 | if (UNLIKELY((offset_shifted >> SAVE_TIGHT_SHIFT) != offset)) { |
cdcdfc56 NC |
518 | Perl_croak(aTHX_ "panic: pad offset %"UVuf" out of range (%p-%p)", |
519 | offset, svp, PL_curpad); | |
a3444cc5 | 520 | } |
cdcdfc56 | 521 | |
a3444cc5 DM |
522 | { |
523 | dSS_ADD; | |
524 | SS_ADD_UV(offset_shifted | SAVEt_CLEARSV); | |
525 | SS_ADD_END(1); | |
526 | } | |
8990e307 LW |
527 | } |
528 | ||
529 | void | |
864dbfa3 | 530 | Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen) |
8990e307 | 531 | { |
7918f24d NC |
532 | PERL_ARGS_ASSERT_SAVE_DELETE; |
533 | ||
85a721ca | 534 | save_pushptri32ptr(key, klen, SvREFCNT_inc_simple(hv), SAVEt_DELETE); |
8990e307 LW |
535 | } |
536 | ||
537 | void | |
af097752 VP |
538 | Perl_save_hdelete(pTHX_ HV *hv, SV *keysv) |
539 | { | |
540 | STRLEN len; | |
541 | I32 klen; | |
542 | const char *key; | |
543 | ||
544 | PERL_ARGS_ASSERT_SAVE_HDELETE; | |
545 | ||
546 | key = SvPV_const(keysv, len); | |
547 | klen = SvUTF8(keysv) ? -(I32)len : (I32)len; | |
548 | SvREFCNT_inc_simple_void_NN(hv); | |
549 | save_pushptri32ptr(savepvn(key, len), klen, hv, SAVEt_DELETE); | |
550 | } | |
551 | ||
552 | void | |
c70927a6 | 553 | Perl_save_adelete(pTHX_ AV *av, SSize_t key) |
c68ec7a9 | 554 | { |
c70927a6 | 555 | dSS_ADD; |
c68ec7a9 VP |
556 | |
557 | PERL_ARGS_ASSERT_SAVE_ADELETE; | |
558 | ||
559 | SvREFCNT_inc_void(av); | |
c70927a6 FC |
560 | SS_ADD_UV(key); |
561 | SS_ADD_PTR(av); | |
562 | SS_ADD_IV(SAVEt_ADELETE); | |
563 | SS_ADD_END(3); | |
c68ec7a9 VP |
564 | } |
565 | ||
566 | void | |
12ab1f58 JH |
567 | Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p) |
568 | { | |
a3444cc5 | 569 | dSS_ADD; |
7918f24d NC |
570 | PERL_ARGS_ASSERT_SAVE_DESTRUCTOR; |
571 | ||
a3444cc5 DM |
572 | SS_ADD_DPTR(f); |
573 | SS_ADD_PTR(p); | |
574 | SS_ADD_UV(SAVEt_DESTRUCTOR); | |
575 | SS_ADD_END(3); | |
12ab1f58 JH |
576 | } |
577 | ||
578 | void | |
146174a9 CB |
579 | Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p) |
580 | { | |
a3444cc5 DM |
581 | dSS_ADD; |
582 | ||
583 | SS_ADD_DXPTR(f); | |
584 | SS_ADD_PTR(p); | |
585 | SS_ADD_UV(SAVEt_DESTRUCTOR_X); | |
586 | SS_ADD_END(3); | |
146174a9 CB |
587 | } |
588 | ||
589 | void | |
da8315f8 NC |
590 | Perl_save_hints(pTHX) |
591 | { | |
20439bc7 | 592 | COPHH *save_cophh = cophh_copy(CopHINTHASH_get(&PL_compiling)); |
da8315f8 | 593 | if (PL_hints & HINT_LOCALIZE_HH) { |
52c7aca6 FC |
594 | HV *oldhh = GvHV(PL_hintgv); |
595 | save_pushptri32ptr(oldhh, PL_hints, save_cophh, SAVEt_HINTS); | |
596 | GvHV(PL_hintgv) = NULL; /* in case copying dies */ | |
597 | GvHV(PL_hintgv) = hv_copy_hints_hv(oldhh); | |
be84297e | 598 | } else { |
20439bc7 | 599 | save_pushi32ptr(PL_hints, save_cophh, SAVEt_HINTS); |
da8315f8 | 600 | } |
be84297e NC |
601 | } |
602 | ||
603 | static void | |
604 | S_save_pushptri32ptr(pTHX_ void *const ptr1, const I32 i, void *const ptr2, | |
605 | const int type) | |
606 | { | |
a3444cc5 DM |
607 | dSS_ADD; |
608 | SS_ADD_PTR(ptr1); | |
609 | SS_ADD_INT(i); | |
610 | SS_ADD_PTR(ptr2); | |
611 | SS_ADD_UV(type); | |
612 | SS_ADD_END(4); | |
da8315f8 NC |
613 | } |
614 | ||
615 | void | |
c70927a6 FC |
616 | Perl_save_aelem_flags(pTHX_ AV *av, SSize_t idx, SV **sptr, |
617 | const U32 flags) | |
4e4c362e | 618 | { |
20b7effb | 619 | dSS_ADD; |
bfc4de9f | 620 | SV *sv; |
7918f24d | 621 | |
91d1c79f | 622 | PERL_ARGS_ASSERT_SAVE_AELEM_FLAGS; |
7918f24d | 623 | |
0cbee0a4 | 624 | SvGETMAGIC(*sptr); |
c70927a6 FC |
625 | SS_ADD_PTR(SvREFCNT_inc_simple(av)); |
626 | SS_ADD_IV(idx); | |
627 | SS_ADD_PTR(SvREFCNT_inc(*sptr)); | |
628 | SS_ADD_UV(SAVEt_AELEM); | |
629 | SS_ADD_END(4); | |
1cdc9186 FC |
630 | /* The array needs to hold a reference count on its new element, so it |
631 | must be AvREAL. */ | |
5d9574c1 | 632 | if (UNLIKELY(!AvREAL(av) && AvREIFY(av))) |
1cdc9186 | 633 | av_reify(av); |
91d1c79f | 634 | save_scalar_at(sptr, flags); /* XXX - FIXME - see #60360 */ |
75d34a09 VP |
635 | if (flags & SAVEf_KEEPOLDELEM) |
636 | return; | |
bfc4de9f DM |
637 | sv = *sptr; |
638 | /* If we're localizing a tied array element, this new sv | |
639 | * won't actually be stored in the array - so it won't get | |
640 | * reaped when the localize ends. Ensure it gets reaped by | |
641 | * mortifying it instead. DAPM */ | |
5d9574c1 | 642 | if (UNLIKELY(SvTIED_mg((const SV *)av, PERL_MAGIC_tied))) |
bfc4de9f | 643 | sv_2mortal(sv); |
4e4c362e GS |
644 | } |
645 | ||
646 | void | |
af7df257 | 647 | Perl_save_helem_flags(pTHX_ HV *hv, SV *key, SV **sptr, const U32 flags) |
4e4c362e | 648 | { |
bfc4de9f | 649 | SV *sv; |
7918f24d | 650 | |
af7df257 | 651 | PERL_ARGS_ASSERT_SAVE_HELEM_FLAGS; |
7918f24d | 652 | |
0cbee0a4 | 653 | SvGETMAGIC(*sptr); |
a3444cc5 DM |
654 | { |
655 | dSS_ADD; | |
656 | SS_ADD_PTR(SvREFCNT_inc_simple(hv)); | |
657 | SS_ADD_PTR(newSVsv(key)); | |
658 | SS_ADD_PTR(SvREFCNT_inc(*sptr)); | |
659 | SS_ADD_UV(SAVEt_HELEM); | |
660 | SS_ADD_END(4); | |
661 | } | |
af7df257 | 662 | save_scalar_at(sptr, flags); |
75d34a09 VP |
663 | if (flags & SAVEf_KEEPOLDELEM) |
664 | return; | |
bfc4de9f DM |
665 | sv = *sptr; |
666 | /* If we're localizing a tied hash element, this new sv | |
667 | * won't actually be stored in the hash - so it won't get | |
668 | * reaped when the localize ends. Ensure it gets reaped by | |
669 | * mortifying it instead. DAPM */ | |
5d9574c1 | 670 | if (UNLIKELY(SvTIED_mg((const SV *)hv, PERL_MAGIC_tied))) |
bfc4de9f | 671 | sv_2mortal(sv); |
4e4c362e GS |
672 | } |
673 | ||
2053acbf NC |
674 | SV* |
675 | Perl_save_svref(pTHX_ SV **sptr) | |
676 | { | |
7918f24d NC |
677 | PERL_ARGS_ASSERT_SAVE_SVREF; |
678 | ||
2053acbf | 679 | SvGETMAGIC(*sptr); |
e22024d3 | 680 | save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_SVREF); |
af7df257 | 681 | return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */ |
2053acbf NC |
682 | } |
683 | ||
455ece5e | 684 | I32 |
864dbfa3 | 685 | Perl_save_alloc(pTHX_ I32 size, I32 pad) |
455ece5e | 686 | { |
eb578fdb KW |
687 | const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix] |
688 | - (char*)PL_savestack); | |
1be36ce0 NC |
689 | const UV elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack)); |
690 | const UV elems_shifted = elems << SAVE_TIGHT_SHIFT; | |
455ece5e | 691 | |
5d9574c1 | 692 | if (UNLIKELY((elems_shifted >> SAVE_TIGHT_SHIFT) != elems)) |
93a641ae DM |
693 | Perl_croak(aTHX_ |
694 | "panic: save_alloc elems %"UVuf" out of range (%"IVdf"-%"IVdf")", | |
695 | elems, (IV)size, (IV)pad); | |
1be36ce0 NC |
696 | |
697 | SSGROW(elems + 1); | |
455ece5e AD |
698 | |
699 | PL_savestack_ix += elems; | |
1be36ce0 | 700 | SSPUSHUV(SAVEt_ALLOC | elems_shifted); |
455ece5e AD |
701 | return start; |
702 | } | |
703 | ||
03dba561 DM |
704 | |
705 | ||
706 | #define ARG0_SV MUTABLE_SV(arg0.any_ptr) | |
707 | #define ARG0_AV MUTABLE_AV(arg0.any_ptr) | |
708 | #define ARG0_HV MUTABLE_HV(arg0.any_ptr) | |
709 | #define ARG0_PTR arg0.any_ptr | |
710 | #define ARG0_PV (char*)(arg0.any_ptr) | |
711 | #define ARG0_PVP (char**)(arg0.any_ptr) | |
712 | #define ARG0_I32 (arg0.any_i32) | |
713 | ||
714 | #define ARG1_SV MUTABLE_SV(arg1.any_ptr) | |
715 | #define ARG1_AV MUTABLE_AV(arg1.any_ptr) | |
716 | #define ARG1_GV MUTABLE_GV(arg1.any_ptr) | |
717 | #define ARG1_SVP (SV**)(arg1.any_ptr) | |
718 | #define ARG1_PVP (char**)(arg1.any_ptr) | |
719 | #define ARG1_PTR arg1.any_ptr | |
720 | #define ARG1_PV (char*)(arg1.any_ptr) | |
721 | #define ARG1_I32 (arg1.any_i32) | |
722 | ||
723 | #define ARG2_SV MUTABLE_SV(arg2.any_ptr) | |
724 | #define ARG2_AV MUTABLE_AV(arg2.any_ptr) | |
725 | #define ARG2_HV MUTABLE_HV(arg2.any_ptr) | |
726 | #define ARG2_GV MUTABLE_GV(arg2.any_ptr) | |
727 | #define ARG2_PV (char*)(arg2.any_ptr) | |
728 | ||
462e5cf6 | 729 | void |
864dbfa3 | 730 | Perl_leave_scope(pTHX_ I32 base) |
79072805 | 731 | { |
302c0c93 | 732 | /* Localise the effects of the TAINT_NOT inside the loop. */ |
284167a5 | 733 | bool was = TAINT_get; |
79072805 | 734 | |
03dba561 DM |
735 | ANY arg0, arg1, arg2; |
736 | ||
737 | /* these initialisations are logically unnecessary, but they shut up | |
738 | * spurious 'may be used uninitialized' compiler warnings */ | |
739 | arg0.any_ptr = NULL; | |
740 | arg1.any_ptr = NULL; | |
741 | arg2.any_ptr = NULL; | |
742 | ||
5d9574c1 | 743 | if (UNLIKELY(base < -1)) |
5637ef5b | 744 | Perl_croak(aTHX_ "panic: corrupt saved stack index %ld", (long) base); |
1c98cc53 DM |
745 | DEBUG_l(Perl_deb(aTHX_ "savestack: releasing items %ld -> %ld\n", |
746 | (long)PL_savestack_ix, (long)base)); | |
3280af22 | 747 | while (PL_savestack_ix > base) { |
03dba561 DM |
748 | UV uv; |
749 | U8 type; | |
750 | ||
751 | SV *refsv; | |
752 | SV **svp; | |
753 | ||
c6ae7647 NC |
754 | TAINT_NOT; |
755 | ||
03dba561 DM |
756 | { |
757 | I32 ix = PL_savestack_ix - 1; | |
758 | ANY *p = &PL_savestack[ix]; | |
759 | uv = p->any_uv; | |
760 | type = (U8)uv & SAVE_MASK; | |
761 | if (type > SAVEt_ARG0_MAX) { | |
762 | ANY *p0 = p; | |
763 | arg0 = *--p; | |
764 | if (type > SAVEt_ARG1_MAX) { | |
765 | arg1 = *--p; | |
766 | if (type > SAVEt_ARG2_MAX) { | |
767 | arg2 = *--p; | |
768 | } | |
769 | } | |
770 | ix -= (p0 - p); | |
771 | } | |
772 | PL_savestack_ix = ix; | |
773 | } | |
774 | ||
c6bf6a65 | 775 | switch (type) { |
79072805 | 776 | case SAVEt_ITEM: /* normal string */ |
03dba561 | 777 | sv_replace(ARG1_SV, ARG0_SV); |
5d9574c1 | 778 | if (UNLIKELY(SvSMAGICAL(ARG1_SV))) { |
b492a59e DM |
779 | PL_localizing = 2; |
780 | mg_set(ARG1_SV); | |
781 | PL_localizing = 0; | |
782 | } | |
79072805 | 783 | break; |
03dba561 DM |
784 | |
785 | /* This would be a mathom, but Perl_save_svref() calls a static | |
786 | function, S_save_scalar_at(), so has to stay in this file. */ | |
787 | case SAVEt_SVREF: /* scalar reference */ | |
788 | svp = ARG1_SVP; | |
789 | refsv = NULL; /* what to refcnt_dec */ | |
790 | goto restore_sv; | |
791 | ||
8aacddc1 | 792 | case SAVEt_SV: /* scalar reference */ |
03dba561 DM |
793 | svp = &GvSV(ARG1_GV); |
794 | refsv = ARG1_SV; /* what to refcnt_dec */ | |
2053acbf | 795 | restore_sv: |
03dba561 DM |
796 | { |
797 | SV * const sv = *svp; | |
798 | *svp = ARG0_SV; | |
2053acbf | 799 | SvREFCNT_dec(sv); |
5d9574c1 | 800 | if (UNLIKELY(SvSMAGICAL(ARG0_SV))) { |
b492a59e DM |
801 | PL_localizing = 2; |
802 | mg_set(ARG0_SV); | |
803 | PL_localizing = 0; | |
804 | } | |
4a9a56a7 | 805 | SvREFCNT_dec_NN(ARG0_SV); |
03dba561 | 806 | SvREFCNT_dec(refsv); |
2053acbf | 807 | break; |
03dba561 | 808 | } |
8aacddc1 | 809 | case SAVEt_GENERIC_PVREF: /* generic pv */ |
03dba561 DM |
810 | if (*ARG0_PVP != ARG1_PV) { |
811 | Safefree(*ARG0_PVP); | |
812 | *ARG0_PVP = ARG1_PV; | |
f4dd75d9 GS |
813 | } |
814 | break; | |
05ec9bb3 | 815 | case SAVEt_SHARED_PVREF: /* shared pv */ |
03dba561 | 816 | if (*ARG1_PVP != ARG0_PV) { |
5e54c26f | 817 | #ifdef NETWARE |
03dba561 | 818 | PerlMem_free(*ARG1_PVP); |
5e54c26f | 819 | #else |
03dba561 | 820 | PerlMemShared_free(*ARG1_PVP); |
5e54c26f | 821 | #endif |
03dba561 | 822 | *ARG1_PVP = ARG0_PV; |
05ec9bb3 NIS |
823 | } |
824 | break; | |
f83b46a0 | 825 | case SAVEt_GVSV: /* scalar slot in GV */ |
03dba561 | 826 | svp = &GvSV(ARG1_GV); |
f83b46a0 | 827 | goto restore_svp; |
8aacddc1 | 828 | case SAVEt_GENERIC_SVREF: /* generic sv */ |
03dba561 | 829 | svp = ARG1_SVP; |
f83b46a0 | 830 | restore_svp: |
03dba561 DM |
831 | { |
832 | SV * const sv = *svp; | |
833 | *svp = ARG0_SV; | |
f4dd75d9 | 834 | SvREFCNT_dec(sv); |
03dba561 | 835 | SvREFCNT_dec(ARG0_SV); |
b9d12d37 | 836 | break; |
03dba561 | 837 | } |
db9306af | 838 | case SAVEt_GVSLOT: /* any slot in GV */ |
03dba561 DM |
839 | { |
840 | HV *const hv = GvSTASH(ARG2_GV); | |
841 | svp = ARG1_SVP; | |
db9306af | 842 | if (hv && HvENAME(hv) && ( |
03dba561 DM |
843 | (ARG0_SV && SvTYPE(ARG0_SV) == SVt_PVCV) |
844 | || (*svp && SvTYPE(*svp) == SVt_PVCV) | |
db9306af FC |
845 | )) |
846 | { | |
03dba561 DM |
847 | if ((char *)svp < (char *)GvGP(ARG2_GV) |
848 | || (char *)svp > (char *)GvGP(ARG2_GV) + sizeof(struct gp) | |
a3d47e0d | 849 | || GvREFCNT(ARG2_GV) > 2) /* "> 2" to ignore savestack's ref */ |
db9306af FC |
850 | PL_sub_generation++; |
851 | else mro_method_changed_in(hv); | |
852 | } | |
853 | goto restore_svp; | |
03dba561 | 854 | } |
8aacddc1 | 855 | case SAVEt_AV: /* array reference */ |
03dba561 DM |
856 | SvREFCNT_dec(GvAV(ARG1_GV)); |
857 | GvAV(ARG1_GV) = ARG0_AV; | |
5d9574c1 | 858 | if (UNLIKELY(SvSMAGICAL(ARG0_SV))) { |
b492a59e DM |
859 | PL_localizing = 2; |
860 | mg_set(ARG0_SV); | |
861 | PL_localizing = 0; | |
862 | } | |
4a9a56a7 | 863 | SvREFCNT_dec_NN(ARG1_GV); |
8aacddc1 NIS |
864 | break; |
865 | case SAVEt_HV: /* hash reference */ | |
03dba561 DM |
866 | SvREFCNT_dec(GvHV(ARG1_GV)); |
867 | GvHV(ARG1_GV) = ARG0_HV; | |
5d9574c1 | 868 | if (UNLIKELY(SvSMAGICAL(ARG0_SV))) { |
b492a59e DM |
869 | PL_localizing = 2; |
870 | mg_set(ARG0_SV); | |
871 | PL_localizing = 0; | |
872 | } | |
4a9a56a7 | 873 | SvREFCNT_dec_NN(ARG1_GV); |
8aacddc1 | 874 | break; |
994d373a | 875 | case SAVEt_INT_SMALL: |
03dba561 | 876 | *(int*)ARG0_PTR = (int)(uv >> SAVE_TIGHT_SHIFT); |
994d373a | 877 | break; |
79072805 | 878 | case SAVEt_INT: /* int reference */ |
03dba561 | 879 | *(int*)ARG0_PTR = (int)ARG1_I32; |
79072805 | 880 | break; |
e8eb279c FC |
881 | case SAVEt_STRLEN: /* STRLEN/size_t ref */ |
882 | *(STRLEN*)ARG0_PTR = (STRLEN)arg1.any_iv; | |
883 | break; | |
9febdf04 | 884 | case SAVEt_BOOL: /* bool reference */ |
03dba561 | 885 | *(bool*)ARG0_PTR = cBOOL(uv >> 8); |
9a9b5ec9 DM |
886 | #ifdef NO_TAINT_SUPPORT |
887 | PERL_UNUSED_VAR(was); | |
888 | #else | |
5d9574c1 | 889 | if (UNLIKELY(ARG0_PTR == &(TAINT_get))) { |
b6f93e7a KW |
890 | /* If we don't update <was>, to reflect what was saved on the |
891 | * stack for PL_tainted, then we will overwrite this attempt to | |
892 | * restore it when we exit this routine. Note that this won't | |
893 | * work if this value was saved in a wider-than necessary type, | |
894 | * such as I32 */ | |
03dba561 | 895 | was = *(bool*)ARG0_PTR; |
b6f93e7a | 896 | } |
284167a5 | 897 | #endif |
9febdf04 | 898 | break; |
89abef21 | 899 | case SAVEt_I32_SMALL: |
03dba561 | 900 | *(I32*)ARG0_PTR = (I32)(uv >> SAVE_TIGHT_SHIFT); |
89abef21 | 901 | break; |
79072805 | 902 | case SAVEt_I32: /* I32 reference */ |
3235b7a3 | 903 | #ifdef PERL_DEBUG_READONLY_OPS |
03dba561 | 904 | if (*(I32*)ARG0_PTR != ARG1_I32) |
3235b7a3 | 905 | #endif |
03dba561 | 906 | *(I32*)ARG0_PTR = ARG1_I32; |
79072805 LW |
907 | break; |
908 | case SAVEt_SPTR: /* SV* reference */ | |
03dba561 | 909 | *(SV**)(ARG0_PTR)= ARG1_SV; |
79072805 | 910 | break; |
146174a9 | 911 | case SAVEt_VPTR: /* random* reference */ |
85e6fe83 | 912 | case SAVEt_PPTR: /* char* reference */ |
03dba561 | 913 | *ARG0_PVP = ARG1_PV; |
85e6fe83 | 914 | break; |
79072805 | 915 | case SAVEt_HPTR: /* HV* reference */ |
03dba561 | 916 | *(HV**)ARG0_PTR = MUTABLE_HV(ARG1_PTR); |
79072805 LW |
917 | break; |
918 | case SAVEt_APTR: /* AV* reference */ | |
03dba561 | 919 | *(AV**)ARG0_PTR = ARG1_AV; |
79072805 | 920 | break; |
fb73857a | 921 | case SAVEt_GP: /* scalar reference */ |
03dba561 DM |
922 | { |
923 | HV *hv; | |
924 | /* possibly taking a method out of circulation */ | |
925 | const bool had_method = !!GvCVu(ARG1_GV); | |
926 | gp_free(ARG1_GV); | |
927 | GvGP_set(ARG1_GV, (GP*)ARG0_PTR); | |
928 | if ((hv=GvSTASH(ARG1_GV)) && HvENAME_get(hv)) { | |
929 | if ( GvNAMELEN(ARG1_GV) == 3 | |
930 | && strnEQ(GvNAME(ARG1_GV), "ISA", 3) | |
931 | ) | |
932 | mro_isa_changed_in(hv); | |
933 | else if (had_method || GvCVu(ARG1_GV)) | |
934 | /* putting a method back into circulation ("local")*/ | |
935 | gv_method_changed(ARG1_GV); | |
3d460042 | 936 | } |
4a9a56a7 | 937 | SvREFCNT_dec_NN(ARG1_GV); |
8aacddc1 | 938 | break; |
03dba561 | 939 | } |
8990e307 | 940 | case SAVEt_FREESV: |
03dba561 | 941 | SvREFCNT_dec(ARG0_SV); |
8990e307 | 942 | break; |
3987a177 | 943 | case SAVEt_FREECOPHH: |
03dba561 | 944 | cophh_free((COPHH *)ARG0_PTR); |
3987a177 | 945 | break; |
26d9b02f | 946 | case SAVEt_MORTALIZESV: |
03dba561 | 947 | sv_2mortal(ARG0_SV); |
26d9b02f | 948 | break; |
8990e307 | 949 | case SAVEt_FREEOP: |
5e5ba94b | 950 | ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); |
03dba561 | 951 | op_free((OP*)ARG0_PTR); |
8990e307 LW |
952 | break; |
953 | case SAVEt_FREEPV: | |
03dba561 | 954 | Safefree(ARG0_PTR); |
8990e307 | 955 | break; |
4e09461c DM |
956 | |
957 | { | |
958 | SV **svp; | |
03dba561 DM |
959 | I32 i; |
960 | SV *sv; | |
961 | ||
4e09461c DM |
962 | case SAVEt_CLEARPADRANGE: |
963 | i = (I32)((uv >> SAVE_TIGHT_SHIFT) & OPpPADRANGE_COUNTMASK); | |
964 | svp = &PL_curpad[uv >> | |
965 | (OPpPADRANGE_COUNTSHIFT + SAVE_TIGHT_SHIFT)] + i - 1; | |
966 | goto clearsv; | |
8990e307 | 967 | case SAVEt_CLEARSV: |
4e09461c DM |
968 | svp = &PL_curpad[uv >> SAVE_TIGHT_SHIFT]; |
969 | i = 1; | |
970 | clearsv: | |
971 | for (; i; i--, svp--) { | |
528ad060 DM |
972 | sv = *svp; |
973 | ||
974 | DEBUG_Xv(PerlIO_printf(Perl_debug_log, | |
975 | "Pad 0x%"UVxf"[0x%"UVxf"] clearsv: %ld sv=0x%"UVxf"<%"IVdf"> %s\n", | |
976 | PTR2UV(PL_comppad), PTR2UV(PL_curpad), | |
977 | (long)(svp-PL_curpad), PTR2UV(sv), (IV)SvREFCNT(sv), | |
978 | (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon" | |
979 | )); | |
980 | ||
d263c017 DM |
981 | assert(SvPADMY(sv)); |
982 | ||
528ad060 | 983 | /* Can clear pad variable in place? */ |
9af15990 | 984 | if (SvREFCNT(sv) == 1 && !SvOBJECT(sv)) { |
a07f0bef | 985 | |
a07f0bef DM |
986 | /* these flags are the union of all the relevant flags |
987 | * in the individual conditions within */ | |
988 | if (UNLIKELY(SvFLAGS(sv) & ( | |
989 | SVf_READONLY /* for SvREADONLY_off() */ | |
990 | | (SVs_GMG|SVs_SMG|SVs_RMG) /* SvMAGICAL() */ | |
7532eaae | 991 | | SVf_OOK |
a07f0bef DM |
992 | | SVf_THINKFIRST))) |
993 | { | |
7500fc82 DM |
994 | /* if a my variable that was made readonly is |
995 | * going out of scope, we want to remove the | |
996 | * readonlyness so that it can go out of scope | |
997 | * quietly | |
998 | */ | |
d263c017 | 999 | if (SvREADONLY(sv) && !SvFAKE(sv)) |
7500fc82 DM |
1000 | SvREADONLY_off(sv); |
1001 | ||
7532eaae DM |
1002 | if (SvOOK(sv)) { /* OOK or HvAUX */ |
1003 | if (SvTYPE(sv) == SVt_PVHV) | |
1004 | Perl_hv_kill_backrefs(aTHX_ MUTABLE_HV(sv)); | |
1005 | else | |
1006 | sv_backoff(sv); | |
1007 | } | |
1008 | ||
7500fc82 | 1009 | if (SvMAGICAL(sv)) { |
7532eaae DM |
1010 | /* note that backrefs (either in HvAUX or magic) |
1011 | * must be removed before other magic */ | |
7500fc82 DM |
1012 | sv_unmagic(sv, PERL_MAGIC_backref); |
1013 | if (SvTYPE(sv) != SVt_PVCV) | |
1014 | mg_free(sv); | |
1015 | } | |
1016 | if (SvTHINKFIRST(sv)) | |
1017 | sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF | |
1018 | |SV_COW_DROP_PV); | |
528ad060 | 1019 | |
a07f0bef | 1020 | } |
528ad060 DM |
1021 | switch (SvTYPE(sv)) { |
1022 | case SVt_NULL: | |
1023 | break; | |
1024 | case SVt_PVAV: | |
1025 | av_clear(MUTABLE_AV(sv)); | |
1026 | break; | |
1027 | case SVt_PVHV: | |
1028 | hv_clear(MUTABLE_HV(sv)); | |
1029 | break; | |
1030 | case SVt_PVCV: | |
1031 | { | |
db5cc3ee FC |
1032 | HEK *hek = |
1033 | CvNAME_HEK((CV *)( | |
1034 | CvNAMED(sv) | |
1035 | ? sv | |
1036 | : mg_find(PadlistNAMESARRAY( | |
1037 | CvPADLIST(find_runcv(NULL)) | |
1038 | )[svp-PL_curpad], | |
1039 | PERL_MAGIC_proto | |
1040 | )->mg_obj)); | |
528ad060 DM |
1041 | assert(hek); |
1042 | share_hek_hek(hek); | |
1043 | cv_undef((CV *)sv); | |
1044 | CvNAME_HEK_set(sv, hek); | |
1045 | break; | |
1046 | } | |
1047 | default: | |
c79d0076 NC |
1048 | /* This looks odd, but these two macros are for use in |
1049 | expressions and finish with a trailing comma, so | |
1050 | adding a ; after them would be wrong. */ | |
1051 | assert_not_ROK(sv) | |
1052 | assert_not_glob(sv) | |
5c85b638 | 1053 | SvFLAGS(sv) &=~ (SVf_OK|SVf_IVisUV|SVf_UTF8); |
528ad060 DM |
1054 | break; |
1055 | } | |
1056 | SvPADSTALE_on(sv); /* mark as no longer live */ | |
1057 | } | |
1058 | else { /* Someone has a claim on this, so abandon it. */ | |
1059 | assert( SvFLAGS(sv) & SVs_PADMY); | |
1060 | assert(!(SvFLAGS(sv) & SVs_PADTMP)); | |
1061 | switch (SvTYPE(sv)) { /* Console ourselves with a new value */ | |
1062 | case SVt_PVAV: *svp = MUTABLE_SV(newAV()); break; | |
1063 | case SVt_PVHV: *svp = MUTABLE_SV(newHV()); break; | |
1064 | case SVt_PVCV: | |
1065 | { | |
1066 | /* Create a stub */ | |
1067 | *svp = newSV_type(SVt_PVCV); | |
1068 | ||
1069 | /* Share name */ | |
528ad060 | 1070 | CvNAME_HEK_set(*svp, |
db5cc3ee FC |
1071 | share_hek_hek(CvNAME_HEK((CV *)( |
1072 | CvNAMED(sv) | |
1073 | ? sv | |
1074 | : mg_find(PadlistNAMESARRAY( | |
1075 | CvPADLIST(find_runcv(NULL)) | |
1076 | )[svp-PL_curpad], | |
1077 | PERL_MAGIC_proto | |
1078 | )->mg_obj)))); | |
528ad060 DM |
1079 | break; |
1080 | } | |
1081 | default: *svp = newSV(0); break; | |
1082 | } | |
4a9a56a7 | 1083 | SvREFCNT_dec_NN(sv); /* Cast current value to the winds. */ |
528ad060 DM |
1084 | /* preserve pad nature, but also mark as not live |
1085 | * for any closure capturing */ | |
1086 | SvFLAGS(*svp) |= (SVs_PADMY|SVs_PADSTALE); | |
1087 | } | |
4e09461c | 1088 | } |
8990e307 | 1089 | break; |
4e09461c | 1090 | } |
8990e307 | 1091 | case SAVEt_DELETE: |
03dba561 DM |
1092 | (void)hv_delete(ARG0_HV, ARG2_PV, ARG1_I32, G_DISCARD); |
1093 | SvREFCNT_dec(ARG0_HV); | |
1094 | Safefree(arg2.any_ptr); | |
8990e307 | 1095 | break; |
c68ec7a9 | 1096 | case SAVEt_ADELETE: |
c70927a6 | 1097 | (void)av_delete(ARG0_AV, arg1.any_iv, G_DISCARD); |
03dba561 | 1098 | SvREFCNT_dec(ARG0_AV); |
c68ec7a9 | 1099 | break; |
146174a9 | 1100 | case SAVEt_DESTRUCTOR_X: |
03dba561 | 1101 | (*arg1.any_dxptr)(aTHX_ ARG0_PTR); |
a0d0e21e LW |
1102 | break; |
1103 | case SAVEt_REGCONTEXT: | |
e0fa7e2b | 1104 | /* regexp must have croaked */ |
455ece5e | 1105 | case SAVEt_ALLOC: |
1be36ce0 | 1106 | PL_savestack_ix -= uv >> SAVE_TIGHT_SHIFT; |
a0d0e21e | 1107 | break; |
55497cff | 1108 | case SAVEt_STACK_POS: /* Position on Perl stack */ |
03dba561 | 1109 | PL_stack_sp = PL_stack_base + arg0.any_i32; |
55497cff | 1110 | break; |
161b7d16 | 1111 | case SAVEt_AELEM: /* array element */ |
c70927a6 | 1112 | svp = av_fetch(ARG2_AV, arg1.any_iv, 1); |
5d9574c1 | 1113 | if (UNLIKELY(!AvREAL(ARG2_AV) && AvREIFY(ARG2_AV))) /* undo reify guard */ |
03dba561 | 1114 | SvREFCNT_dec(ARG0_SV); |
5d9574c1 | 1115 | if (LIKELY(svp)) { |
03dba561 | 1116 | SV * const sv = *svp; |
5d9574c1 DM |
1117 | if (LIKELY(sv && sv != &PL_sv_undef)) { |
1118 | if (UNLIKELY(SvTIED_mg((const SV *)ARG2_AV, PERL_MAGIC_tied))) | |
b37c2d43 | 1119 | SvREFCNT_inc_void_NN(sv); |
03dba561 | 1120 | refsv = ARG2_SV; |
4e4c362e GS |
1121 | goto restore_sv; |
1122 | } | |
1123 | } | |
03dba561 DM |
1124 | SvREFCNT_dec(ARG2_AV); |
1125 | SvREFCNT_dec(ARG0_SV); | |
4e4c362e | 1126 | break; |
161b7d16 | 1127 | case SAVEt_HELEM: /* hash element */ |
03dba561 DM |
1128 | { |
1129 | HE * const he = hv_fetch_ent(ARG2_HV, ARG1_SV, 1, 0); | |
1130 | SvREFCNT_dec(ARG1_SV); | |
5d9574c1 | 1131 | if (LIKELY(he)) { |
03dba561 | 1132 | const SV * const oval = HeVAL(he); |
5d9574c1 | 1133 | if (LIKELY(oval && oval != &PL_sv_undef)) { |
03dba561 | 1134 | svp = &HeVAL(he); |
5d9574c1 | 1135 | if (UNLIKELY(SvTIED_mg((const SV *)ARG2_HV, PERL_MAGIC_tied))) |
03dba561 DM |
1136 | SvREFCNT_inc_void(*svp); |
1137 | refsv = ARG2_SV; /* what to refcnt_dec */ | |
4e4c362e GS |
1138 | goto restore_sv; |
1139 | } | |
1140 | } | |
03dba561 DM |
1141 | SvREFCNT_dec(ARG2_HV); |
1142 | SvREFCNT_dec(ARG0_SV); | |
4e4c362e | 1143 | break; |
03dba561 | 1144 | } |
462e5cf6 | 1145 | case SAVEt_OP: |
03dba561 | 1146 | PL_op = (OP*)ARG0_PTR; |
462e5cf6 | 1147 | break; |
25eaa213 | 1148 | case SAVEt_HINTS: |
3607ca02 FC |
1149 | if ((PL_hints & HINT_LOCALIZE_HH)) { |
1150 | while (GvHV(PL_hintgv)) { | |
2653c1e3 | 1151 | HV *hv = GvHV(PL_hintgv); |
045ac317 | 1152 | GvHV(PL_hintgv) = NULL; |
2653c1e3 | 1153 | SvREFCNT_dec(MUTABLE_SV(hv)); |
3607ca02 | 1154 | } |
045ac317 | 1155 | } |
20439bc7 | 1156 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
03dba561 DM |
1157 | CopHINTHASH_set(&PL_compiling, (COPHH*)ARG0_PTR); |
1158 | *(I32*)&PL_hints = ARG1_I32; | |
dfa41748 | 1159 | if (PL_hints & HINT_LOCALIZE_HH) { |
ad64d0ec | 1160 | SvREFCNT_dec(MUTABLE_SV(GvHV(PL_hintgv))); |
85fbaab2 | 1161 | GvHV(PL_hintgv) = MUTABLE_HV(SSPOPPTR); |
2653c1e3 DM |
1162 | } |
1163 | if (!GvHV(PL_hintgv)) { | |
a3fb8386 FC |
1164 | /* Need to add a new one manually, else rv2hv can |
1165 | add one via GvHVn and it won't have the magic set. */ | |
5b9c0671 NC |
1166 | HV *const hv = newHV(); |
1167 | hv_magic(hv, NULL, PERL_MAGIC_hints); | |
1168 | GvHV(PL_hintgv) = hv; | |
dfa41748 | 1169 | } |
5b9c0671 | 1170 | assert(GvHV(PL_hintgv)); |
b3ac6de7 | 1171 | break; |
cb50131a | 1172 | case SAVEt_COMPPAD: |
03dba561 | 1173 | PL_comppad = (PAD*)ARG0_PTR; |
5d9574c1 | 1174 | if (LIKELY(PL_comppad)) |
cb50131a CB |
1175 | PL_curpad = AvARRAY(PL_comppad); |
1176 | else | |
4608196e | 1177 | PL_curpad = NULL; |
cb50131a | 1178 | break; |
09edbca0 | 1179 | case SAVEt_PADSV_AND_MORTALIZE: |
c3564e5c | 1180 | { |
09edbca0 | 1181 | SV **svp; |
03dba561 DM |
1182 | assert (ARG1_PTR); |
1183 | svp = AvARRAY((PAD*)ARG1_PTR) + (PADOFFSET)arg0.any_uv; | |
09edbca0 NC |
1184 | /* This mortalizing used to be done by POPLOOP() via itersave. |
1185 | But as we have all the information here, we can do it here, | |
1186 | save even having to have itersave in the struct. */ | |
1187 | sv_2mortal(*svp); | |
03dba561 | 1188 | *svp = ARG2_SV; |
c3564e5c GS |
1189 | } |
1190 | break; | |
8b7059b1 DM |
1191 | case SAVEt_SAVESWITCHSTACK: |
1192 | { | |
1193 | dSP; | |
03dba561 DM |
1194 | SWITCHSTACK(ARG0_AV, ARG1_AV); |
1195 | PL_curstackinfo->si_stack = ARG1_AV; | |
8b7059b1 DM |
1196 | } |
1197 | break; | |
14f338dc | 1198 | case SAVEt_SET_SVFLAGS: |
03dba561 DM |
1199 | SvFLAGS(ARG2_SV) &= ~((U32)ARG1_I32); |
1200 | SvFLAGS(ARG2_SV) |= (U32)ARG0_I32; | |
14f338dc | 1201 | break; |
95e06916 | 1202 | |
95e06916 NC |
1203 | /* These are only saved in mathoms.c */ |
1204 | case SAVEt_NSTAB: | |
03dba561 | 1205 | (void)sv_clear(ARG0_SV); |
95e06916 | 1206 | break; |
2053acbf | 1207 | case SAVEt_LONG: /* long reference */ |
03dba561 | 1208 | *(long*)ARG0_PTR = arg1.any_long; |
2053acbf | 1209 | break; |
95e06916 | 1210 | case SAVEt_IV: /* IV reference */ |
03dba561 | 1211 | *(IV*)ARG0_PTR = arg1.any_iv; |
95e06916 NC |
1212 | break; |
1213 | ||
2053acbf | 1214 | case SAVEt_I16: /* I16 reference */ |
03dba561 | 1215 | *(I16*)ARG0_PTR = (I16)(uv >> 8); |
2053acbf NC |
1216 | break; |
1217 | case SAVEt_I8: /* I8 reference */ | |
03dba561 | 1218 | *(I8*)ARG0_PTR = (I8)(uv >> 8); |
2053acbf | 1219 | break; |
2053acbf | 1220 | case SAVEt_DESTRUCTOR: |
03dba561 | 1221 | (*arg1.any_dptr)(ARG0_PTR); |
2053acbf | 1222 | break; |
68da3b2f | 1223 | case SAVEt_COMPILE_WARNINGS: |
68da3b2f NC |
1224 | if (!specialWARN(PL_compiling.cop_warnings)) |
1225 | PerlMemShared_free(PL_compiling.cop_warnings); | |
72dc9ed5 | 1226 | |
03dba561 | 1227 | PL_compiling.cop_warnings = (STRLEN*)ARG0_PTR; |
72dc9ed5 | 1228 | break; |
7c197c94 | 1229 | case SAVEt_PARSER: |
03dba561 | 1230 | parser_free((yy_parser *) ARG0_PTR); |
7c197c94 | 1231 | break; |
20d5dc23 FC |
1232 | case SAVEt_READONLY_OFF: |
1233 | SvREADONLY_off(ARG0_SV); | |
1234 | break; | |
79072805 | 1235 | default: |
5637ef5b | 1236 | Perl_croak(aTHX_ "panic: leave_scope inconsistency %u", type); |
79072805 LW |
1237 | } |
1238 | } | |
302c0c93 | 1239 | |
284167a5 | 1240 | TAINT_set(was); |
79072805 | 1241 | } |
8990e307 | 1242 | |
8990e307 | 1243 | void |
864dbfa3 | 1244 | Perl_cx_dump(pTHX_ PERL_CONTEXT *cx) |
8990e307 | 1245 | { |
7918f24d NC |
1246 | PERL_ARGS_ASSERT_CX_DUMP; |
1247 | ||
35ff7856 | 1248 | #ifdef DEBUGGING |
22c35a8c | 1249 | PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]); |
6b35e009 | 1250 | if (CxTYPE(cx) != CXt_SUBST) { |
e8d9e9d0 | 1251 | const char *gimme_text; |
760ac839 | 1252 | PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp); |
146174a9 CB |
1253 | PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n", |
1254 | PTR2UV(cx->blk_oldcop)); | |
760ac839 LW |
1255 | PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp); |
1256 | PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp); | |
146174a9 CB |
1257 | PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n", |
1258 | PTR2UV(cx->blk_oldpm)); | |
e8d9e9d0 VP |
1259 | switch (cx->blk_gimme) { |
1260 | case G_VOID: | |
1261 | gimme_text = "VOID"; | |
1262 | break; | |
1263 | case G_SCALAR: | |
1264 | gimme_text = "SCALAR"; | |
1265 | break; | |
1266 | case G_ARRAY: | |
1267 | gimme_text = "LIST"; | |
1268 | break; | |
1269 | default: | |
1270 | gimme_text = "UNKNOWN"; | |
1271 | break; | |
1272 | } | |
1273 | PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", gimme_text); | |
8990e307 | 1274 | } |
6b35e009 | 1275 | switch (CxTYPE(cx)) { |
8990e307 LW |
1276 | case CXt_NULL: |
1277 | case CXt_BLOCK: | |
1278 | break; | |
146174a9 | 1279 | case CXt_FORMAT: |
f9c764c5 NC |
1280 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.CV = 0x%"UVxf"\n", |
1281 | PTR2UV(cx->blk_format.cv)); | |
1282 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.GV = 0x%"UVxf"\n", | |
1283 | PTR2UV(cx->blk_format.gv)); | |
1284 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.DFOUTGV = 0x%"UVxf"\n", | |
1285 | PTR2UV(cx->blk_format.dfoutgv)); | |
1286 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.HASARGS = %d\n", | |
bafb2adc | 1287 | (int)CxHASARGS(cx)); |
f9c764c5 NC |
1288 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.RETOP = 0x%"UVxf"\n", |
1289 | PTR2UV(cx->blk_format.retop)); | |
146174a9 | 1290 | break; |
8990e307 | 1291 | case CXt_SUB: |
146174a9 CB |
1292 | PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n", |
1293 | PTR2UV(cx->blk_sub.cv)); | |
760ac839 | 1294 | PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n", |
8990e307 | 1295 | (long)cx->blk_sub.olddepth); |
760ac839 | 1296 | PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n", |
bafb2adc NC |
1297 | (int)CxHASARGS(cx)); |
1298 | PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n", (int)CxLVAL(cx)); | |
f39bc417 DM |
1299 | PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n", |
1300 | PTR2UV(cx->blk_sub.retop)); | |
8990e307 LW |
1301 | break; |
1302 | case CXt_EVAL: | |
760ac839 | 1303 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n", |
85a64632 | 1304 | (long)CxOLD_IN_EVAL(cx)); |
760ac839 | 1305 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n", |
85a64632 NC |
1306 | PL_op_name[CxOLD_OP_TYPE(cx)], |
1307 | PL_op_desc[CxOLD_OP_TYPE(cx)]); | |
0f79a09d GS |
1308 | if (cx->blk_eval.old_namesv) |
1309 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n", | |
aa07b2f6 | 1310 | SvPVX_const(cx->blk_eval.old_namesv)); |
146174a9 CB |
1311 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n", |
1312 | PTR2UV(cx->blk_eval.old_eval_root)); | |
f39bc417 DM |
1313 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.RETOP = 0x%"UVxf"\n", |
1314 | PTR2UV(cx->blk_eval.retop)); | |
8990e307 LW |
1315 | break; |
1316 | ||
c6fdafd0 | 1317 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1318 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
1319 | case CXt_LOOP_FOR: |
1320 | case CXt_LOOP_PLAIN: | |
0cbdab38 | 1321 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n", CxLABEL(cx)); |
760ac839 | 1322 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n", |
8990e307 | 1323 | (long)cx->blk_loop.resetsp); |
022eaa24 NC |
1324 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.MY_OP = 0x%"UVxf"\n", |
1325 | PTR2UV(cx->blk_loop.my_op)); | |
d01136d6 | 1326 | /* XXX: not accurate for LAZYSV/IV */ |
146174a9 | 1327 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n", |
d01136d6 BS |
1328 | PTR2UV(cx->blk_loop.state_u.ary.ary)); |
1329 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n", | |
1330 | (long)cx->blk_loop.state_u.ary.ix); | |
146174a9 CB |
1331 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n", |
1332 | PTR2UV(CxITERVAR(cx))); | |
8990e307 LW |
1333 | break; |
1334 | ||
1335 | case CXt_SUBST: | |
760ac839 | 1336 | PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n", |
8990e307 | 1337 | (long)cx->sb_iters); |
760ac839 | 1338 | PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n", |
8990e307 | 1339 | (long)cx->sb_maxiters); |
35ef4773 GS |
1340 | PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n", |
1341 | (long)cx->sb_rflags); | |
760ac839 | 1342 | PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n", |
c5bed6a7 | 1343 | (long)CxONCE(cx)); |
760ac839 | 1344 | PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n", |
8990e307 | 1345 | cx->sb_orig); |
146174a9 CB |
1346 | PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%"UVxf"\n", |
1347 | PTR2UV(cx->sb_dstr)); | |
1348 | PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%"UVxf"\n", | |
1349 | PTR2UV(cx->sb_targ)); | |
1350 | PerlIO_printf(Perl_debug_log, "SB_S = 0x%"UVxf"\n", | |
1351 | PTR2UV(cx->sb_s)); | |
1352 | PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n", | |
1353 | PTR2UV(cx->sb_m)); | |
1354 | PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%"UVxf"\n", | |
1355 | PTR2UV(cx->sb_strend)); | |
1356 | PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%"UVxf"\n", | |
1357 | PTR2UV(cx->sb_rxres)); | |
8990e307 LW |
1358 | break; |
1359 | } | |
65e66c80 | 1360 | #else |
96a5add6 | 1361 | PERL_UNUSED_CONTEXT; |
65e66c80 | 1362 | PERL_UNUSED_ARG(cx); |
17c3b450 | 1363 | #endif /* DEBUGGING */ |
35ff7856 | 1364 | } |
241d1a3b NC |
1365 | |
1366 | /* | |
1367 | * Local variables: | |
1368 | * c-indentation-style: bsd | |
1369 | * c-basic-offset: 4 | |
14d04a33 | 1370 | * indent-tabs-mode: nil |
241d1a3b NC |
1371 | * End: |
1372 | * | |
14d04a33 | 1373 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 1374 | */ |