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 | { |
97aff369 | 32 | dVAR; |
7918f24d NC |
33 | |
34 | PERL_ARGS_ASSERT_STACK_GROW; | |
35 | ||
3280af22 | 36 | PL_stack_sp = sp; |
2ce36478 | 37 | #ifndef STRESS_REALLOC |
3280af22 | 38 | av_extend(PL_curstack, (p - PL_stack_base) + (n) + 128); |
2ce36478 | 39 | #else |
6b88bc9c | 40 | av_extend(PL_curstack, (p - PL_stack_base) + (n) + 1); |
2ce36478 | 41 | #endif |
3280af22 | 42 | return PL_stack_sp; |
a0d0e21e LW |
43 | } |
44 | ||
2ce36478 SM |
45 | #ifndef STRESS_REALLOC |
46 | #define GROW(old) ((old) * 3 / 2) | |
47 | #else | |
48 | #define GROW(old) ((old) + 1) | |
49 | #endif | |
50 | ||
e336de0d | 51 | PERL_SI * |
864dbfa3 | 52 | Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems) |
e336de0d | 53 | { |
97aff369 | 54 | dVAR; |
e336de0d | 55 | PERL_SI *si; |
a02a5408 | 56 | Newx(si, 1, PERL_SI); |
e336de0d GS |
57 | si->si_stack = newAV(); |
58 | AvREAL_off(si->si_stack); | |
59 | av_extend(si->si_stack, stitems > 0 ? stitems-1 : 0); | |
3280af22 | 60 | AvALLOC(si->si_stack)[0] = &PL_sv_undef; |
e336de0d GS |
61 | AvFILLp(si->si_stack) = 0; |
62 | si->si_prev = 0; | |
63 | si->si_next = 0; | |
64 | si->si_cxmax = cxitems - 1; | |
65 | si->si_cxix = -1; | |
e788e7d3 | 66 | si->si_type = PERLSI_UNDEF; |
a02a5408 | 67 | Newx(si->si_cxstack, cxitems, PERL_CONTEXT); |
9965345d JH |
68 | /* Without any kind of initialising PUSHSUBST() |
69 | * in pp_subst() will read uninitialised heap. */ | |
7e337ee0 | 70 | PoisonNew(si->si_cxstack, cxitems, PERL_CONTEXT); |
e336de0d GS |
71 | return si; |
72 | } | |
73 | ||
79072805 | 74 | I32 |
864dbfa3 | 75 | Perl_cxinc(pTHX) |
79072805 | 76 | { |
97aff369 | 77 | dVAR; |
a3b680e6 | 78 | const IV old_max = cxstack_max; |
2ce36478 | 79 | cxstack_max = GROW(cxstack_max); |
401a9b14 | 80 | Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); |
9965345d JH |
81 | /* Without any kind of initialising deep enough recursion |
82 | * will end up reading uninitialised PERL_CONTEXTs. */ | |
109bf713 | 83 | PoisonNew(cxstack + old_max + 1, cxstack_max - old_max, PERL_CONTEXT); |
79072805 LW |
84 | return cxstack_ix + 1; |
85 | } | |
86 | ||
79072805 | 87 | void |
864dbfa3 | 88 | Perl_push_scope(pTHX) |
79072805 | 89 | { |
97aff369 | 90 | dVAR; |
5d9574c1 | 91 | if (UNLIKELY(PL_scopestack_ix == PL_scopestack_max)) { |
3280af22 NIS |
92 | PL_scopestack_max = GROW(PL_scopestack_max); |
93 | Renew(PL_scopestack, PL_scopestack_max, I32); | |
d343c3ef GG |
94 | #ifdef DEBUGGING |
95 | Renew(PL_scopestack_name, PL_scopestack_max, const char*); | |
520bb150 | 96 | #endif |
79072805 | 97 | } |
d343c3ef GG |
98 | #ifdef DEBUGGING |
99 | PL_scopestack_name[PL_scopestack_ix] = "unknown"; | |
100 | #endif | |
3280af22 | 101 | PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix; |
79072805 LW |
102 | |
103 | } | |
104 | ||
105 | void | |
864dbfa3 | 106 | Perl_pop_scope(pTHX) |
79072805 | 107 | { |
97aff369 | 108 | dVAR; |
35a4481c | 109 | const I32 oldsave = PL_scopestack[--PL_scopestack_ix]; |
8990e307 | 110 | LEAVE_SCOPE(oldsave); |
79072805 LW |
111 | } |
112 | ||
ba5248fc | 113 | I32 * |
864dbfa3 | 114 | Perl_markstack_grow(pTHX) |
a0d0e21e | 115 | { |
97aff369 | 116 | dVAR; |
35a4481c AL |
117 | const I32 oldmax = PL_markstack_max - PL_markstack; |
118 | const I32 newmax = GROW(oldmax); | |
a0d0e21e | 119 | |
3280af22 | 120 | Renew(PL_markstack, newmax, I32); |
3280af22 | 121 | PL_markstack_max = PL_markstack + newmax; |
ba5248fc DD |
122 | PL_markstack_ptr = PL_markstack + oldmax; |
123 | return PL_markstack_ptr; | |
a0d0e21e LW |
124 | } |
125 | ||
126 | void | |
864dbfa3 | 127 | Perl_savestack_grow(pTHX) |
79072805 | 128 | { |
97aff369 | 129 | dVAR; |
8aacddc1 | 130 | PL_savestack_max = GROW(PL_savestack_max) + 4; |
3280af22 | 131 | Renew(PL_savestack, PL_savestack_max, ANY); |
79072805 LW |
132 | } |
133 | ||
4b3c1a47 AE |
134 | void |
135 | Perl_savestack_grow_cnt(pTHX_ I32 need) | |
136 | { | |
97aff369 | 137 | dVAR; |
4b3c1a47 AE |
138 | PL_savestack_max = PL_savestack_ix + need; |
139 | Renew(PL_savestack, PL_savestack_max, ANY); | |
140 | } | |
141 | ||
2ce36478 SM |
142 | #undef GROW |
143 | ||
79072805 | 144 | void |
e8eb279c | 145 | Perl_tmps_grow(pTHX_ SSize_t n) |
677b06e3 | 146 | { |
97aff369 | 147 | dVAR; |
677b06e3 GS |
148 | #ifndef STRESS_REALLOC |
149 | if (n < 128) | |
150 | n = (PL_tmps_max < 512) ? 128 : 512; | |
151 | #endif | |
152 | PL_tmps_max = PL_tmps_ix + n + 1; | |
153 | Renew(PL_tmps_stack, PL_tmps_max, SV*); | |
154 | } | |
155 | ||
156 | ||
157 | void | |
864dbfa3 | 158 | Perl_free_tmps(pTHX) |
79072805 | 159 | { |
97aff369 | 160 | dVAR; |
79072805 | 161 | /* XXX should tmps_floor live in cxstack? */ |
e8eb279c | 162 | const SSize_t myfloor = PL_tmps_floor; |
3280af22 | 163 | while (PL_tmps_ix > myfloor) { /* clean up after last statement */ |
22ade07d | 164 | SV* const sv = PL_tmps_stack[PL_tmps_ix--]; |
72581b5b VP |
165 | #ifdef PERL_POISON |
166 | PoisonWith(PL_tmps_stack + PL_tmps_ix + 1, 1, SV *, 0xAB); | |
22ade07d | 167 | #endif |
5d9574c1 | 168 | if (LIKELY(sv && sv != &PL_sv_undef)) { |
463ee0b2 | 169 | SvTEMP_off(sv); |
4a9a56a7 | 170 | SvREFCNT_dec_NN(sv); /* note, can modify tmps_ix!!! */ |
463ee0b2 | 171 | } |
79072805 LW |
172 | } |
173 | } | |
174 | ||
76e3520e | 175 | STATIC SV * |
af7df257 | 176 | S_save_scalar_at(pTHX_ SV **sptr, const U32 flags) |
79072805 | 177 | { |
97aff369 | 178 | dVAR; |
75d34a09 | 179 | SV * osv; |
eb578fdb | 180 | SV *sv; |
79072805 | 181 | |
7918f24d NC |
182 | PERL_ARGS_ASSERT_SAVE_SCALAR_AT; |
183 | ||
75d34a09 VP |
184 | osv = *sptr; |
185 | sv = (flags & SAVEf_KEEPOLDELEM) ? osv : (*sptr = newSV(0)); | |
186 | ||
f1f99dc1 | 187 | if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv)) { |
a0d0e21e | 188 | if (SvGMAGICAL(osv)) { |
a0d0e21e | 189 | SvFLAGS(osv) |= (SvFLAGS(osv) & |
c268c2a6 | 190 | (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
a0d0e21e | 191 | } |
75d34a09 | 192 | if (!(flags & SAVEf_KEEPOLDELEM)) |
2dcac756 | 193 | mg_localize(osv, sv, cBOOL(flags & SAVEf_SETMAGIC)); |
79072805 | 194 | } |
75d34a09 | 195 | |
79072805 LW |
196 | return sv; |
197 | } | |
198 | ||
dfcd3de5 NC |
199 | void |
200 | Perl_save_pushptrptr(pTHX_ void *const ptr1, void *const ptr2, const int type) | |
e22024d3 NC |
201 | { |
202 | dVAR; | |
a3444cc5 DM |
203 | dSS_ADD; |
204 | SS_ADD_PTR(ptr1); | |
205 | SS_ADD_PTR(ptr2); | |
206 | SS_ADD_UV(type); | |
207 | SS_ADD_END(3); | |
e22024d3 NC |
208 | } |
209 | ||
7a4c00b4 | 210 | SV * |
864dbfa3 | 211 | Perl_save_scalar(pTHX_ GV *gv) |
7a4c00b4 | 212 | { |
97aff369 | 213 | dVAR; |
fb4fc1fa | 214 | SV ** const sptr = &GvSVn(gv); |
7918f24d NC |
215 | |
216 | PERL_ARGS_ASSERT_SAVE_SCALAR; | |
217 | ||
5d9574c1 | 218 | if (UNLIKELY(SvGMAGICAL(*sptr))) { |
b492a59e DM |
219 | PL_localizing = 1; |
220 | (void)mg_get(*sptr); | |
221 | PL_localizing = 0; | |
222 | } | |
e22024d3 | 223 | save_pushptrptr(SvREFCNT_inc_simple(gv), SvREFCNT_inc(*sptr), SAVEt_SV); |
af7df257 | 224 | return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */ |
7a4c00b4 | 225 | } |
226 | ||
f4dd75d9 | 227 | /* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to |
b9d12d37 GS |
228 | * restore a global SV to its prior contents, freeing new value. */ |
229 | void | |
864dbfa3 | 230 | Perl_save_generic_svref(pTHX_ SV **sptr) |
b9d12d37 | 231 | { |
97aff369 | 232 | dVAR; |
7918f24d NC |
233 | |
234 | PERL_ARGS_ASSERT_SAVE_GENERIC_SVREF; | |
235 | ||
e22024d3 | 236 | save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_GENERIC_SVREF); |
b9d12d37 GS |
237 | } |
238 | ||
f4dd75d9 GS |
239 | /* Like save_pptr(), but also Safefree()s the new value if it is different |
240 | * from the old one. Can be used to restore a global char* to its prior | |
241 | * contents, freeing new value. */ | |
242 | void | |
243 | Perl_save_generic_pvref(pTHX_ char **str) | |
244 | { | |
97aff369 | 245 | dVAR; |
7918f24d NC |
246 | |
247 | PERL_ARGS_ASSERT_SAVE_GENERIC_PVREF; | |
248 | ||
e22024d3 | 249 | save_pushptrptr(*str, str, SAVEt_GENERIC_PVREF); |
f4dd75d9 GS |
250 | } |
251 | ||
05ec9bb3 NIS |
252 | /* Like save_generic_pvref(), but uses PerlMemShared_free() rather than Safefree(). |
253 | * Can be used to restore a shared global char* to its prior | |
254 | * contents, freeing new value. */ | |
255 | void | |
256 | Perl_save_shared_pvref(pTHX_ char **str) | |
257 | { | |
97aff369 | 258 | dVAR; |
7918f24d NC |
259 | |
260 | PERL_ARGS_ASSERT_SAVE_SHARED_PVREF; | |
261 | ||
e22024d3 | 262 | save_pushptrptr(str, *str, SAVEt_SHARED_PVREF); |
05ec9bb3 NIS |
263 | } |
264 | ||
14f338dc DM |
265 | /* set the SvFLAGS specified by mask to the values in val */ |
266 | ||
267 | void | |
268 | Perl_save_set_svflags(pTHX_ SV* sv, U32 mask, U32 val) | |
269 | { | |
97aff369 | 270 | dVAR; |
a3444cc5 | 271 | dSS_ADD; |
7918f24d NC |
272 | |
273 | PERL_ARGS_ASSERT_SAVE_SET_SVFLAGS; | |
274 | ||
a3444cc5 DM |
275 | SS_ADD_PTR(sv); |
276 | SS_ADD_INT(mask); | |
277 | SS_ADD_INT(val); | |
278 | SS_ADD_UV(SAVEt_SET_SVFLAGS); | |
279 | SS_ADD_END(4); | |
14f338dc DM |
280 | } |
281 | ||
79072805 | 282 | void |
864dbfa3 | 283 | Perl_save_gp(pTHX_ GV *gv, I32 empty) |
79072805 | 284 | { |
97aff369 | 285 | dVAR; |
7918f24d NC |
286 | |
287 | PERL_ARGS_ASSERT_SAVE_GP; | |
288 | ||
10507e11 | 289 | save_pushptrptr(SvREFCNT_inc(gv), GvGP(gv), SAVEt_GP); |
79072805 | 290 | |
5f05dabc | 291 | if (empty) { |
12816592 | 292 | GP *gp = Perl_newGP(aTHX_ gv); |
959f7ad7 | 293 | HV * const stash = GvSTASH(gv); |
3d460042 FC |
294 | bool isa_changed = 0; |
295 | ||
296 | if (stash && HvENAME(stash)) { | |
297 | if (GvNAMELEN(gv) == 3 && strnEQ(GvNAME(gv), "ISA", 3)) | |
298 | isa_changed = TRUE; | |
299 | else if (GvCVu(gv)) | |
300 | /* taking a method out of circulation ("local")*/ | |
301 | mro_method_changed_in(stash); | |
302 | } | |
146174a9 CB |
303 | if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) { |
304 | gp->gp_io = newIO(); | |
305 | IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START; | |
306 | } | |
c43ae56f | 307 | GvGP_set(gv,gp); |
3d460042 | 308 | if (isa_changed) mro_isa_changed_in(stash); |
5f05dabc | 309 | } |
310 | else { | |
44a8e56a | 311 | gp_ref(GvGP(gv)); |
5f05dabc | 312 | GvINTRO_on(gv); |
313 | } | |
79072805 | 314 | } |
79072805 | 315 | |
79072805 | 316 | AV * |
864dbfa3 | 317 | Perl_save_ary(pTHX_ GV *gv) |
79072805 | 318 | { |
97aff369 | 319 | dVAR; |
901017d6 | 320 | AV * const oav = GvAVn(gv); |
67a38de0 | 321 | AV *av; |
fb73857a | 322 | |
7918f24d NC |
323 | PERL_ARGS_ASSERT_SAVE_ARY; |
324 | ||
5d9574c1 | 325 | if (UNLIKELY(!AvREAL(oav) && AvREIFY(oav))) |
67a38de0 | 326 | av_reify(oav); |
01433346 | 327 | save_pushptrptr(SvREFCNT_inc_simple_NN(gv), oav, SAVEt_AV); |
79072805 | 328 | |
4608196e | 329 | GvAV(gv) = NULL; |
fb73857a | 330 | av = GvAVn(gv); |
5d9574c1 | 331 | if (UNLIKELY(SvMAGIC(oav))) |
9711599e | 332 | mg_localize(MUTABLE_SV(oav), MUTABLE_SV(av), TRUE); |
fb73857a | 333 | return av; |
79072805 LW |
334 | } |
335 | ||
336 | HV * | |
864dbfa3 | 337 | Perl_save_hash(pTHX_ GV *gv) |
79072805 | 338 | { |
97aff369 | 339 | dVAR; |
fb73857a | 340 | HV *ohv, *hv; |
341 | ||
7918f24d NC |
342 | PERL_ARGS_ASSERT_SAVE_HASH; |
343 | ||
01433346 FC |
344 | save_pushptrptr( |
345 | SvREFCNT_inc_simple_NN(gv), (ohv = GvHVn(gv)), SAVEt_HV | |
346 | ); | |
79072805 | 347 | |
4608196e | 348 | GvHV(gv) = NULL; |
fb73857a | 349 | hv = GvHVn(gv); |
5d9574c1 | 350 | if (UNLIKELY(SvMAGIC(ohv))) |
9711599e | 351 | mg_localize(MUTABLE_SV(ohv), MUTABLE_SV(hv), TRUE); |
fb73857a | 352 | return hv; |
79072805 LW |
353 | } |
354 | ||
355 | void | |
5aaab254 | 356 | Perl_save_item(pTHX_ SV *item) |
79072805 | 357 | { |
97aff369 | 358 | dVAR; |
eb578fdb | 359 | SV * const sv = newSVsv(item); |
79072805 | 360 | |
7918f24d NC |
361 | PERL_ARGS_ASSERT_SAVE_ITEM; |
362 | ||
e22024d3 NC |
363 | save_pushptrptr(item, /* remember the pointer */ |
364 | sv, /* remember the value */ | |
365 | SAVEt_ITEM); | |
79072805 LW |
366 | } |
367 | ||
368 | void | |
1409bc06 | 369 | Perl_save_bool(pTHX_ bool *boolp) |
79072805 | 370 | { |
97aff369 | 371 | dVAR; |
a3444cc5 | 372 | dSS_ADD; |
7918f24d | 373 | |
1409bc06 | 374 | PERL_ARGS_ASSERT_SAVE_BOOL; |
7918f24d | 375 | |
a3444cc5 DM |
376 | SS_ADD_PTR(boolp); |
377 | SS_ADD_UV(SAVEt_BOOL | (*boolp << 8)); | |
378 | SS_ADD_END(2); | |
1409bc06 NC |
379 | } |
380 | ||
7623d426 NC |
381 | void |
382 | Perl_save_pushi32ptr(pTHX_ const I32 i, void *const ptr, const int type) | |
1409bc06 NC |
383 | { |
384 | dVAR; | |
a3444cc5 DM |
385 | dSS_ADD; |
386 | ||
387 | SS_ADD_INT(i); | |
388 | SS_ADD_PTR(ptr); | |
389 | SS_ADD_UV(type); | |
390 | SS_ADD_END(3); | |
79072805 LW |
391 | } |
392 | ||
393 | void | |
1409bc06 | 394 | Perl_save_int(pTHX_ int *intp) |
9febdf04 | 395 | { |
97aff369 | 396 | dVAR; |
d172696c | 397 | const int i = *intp; |
9b139d09 | 398 | UV type = ((UV)((UV)i << SAVE_TIGHT_SHIFT) | SAVEt_INT_SMALL); |
d172696c DM |
399 | int size = 2; |
400 | dSS_ADD; | |
7918f24d | 401 | |
1409bc06 | 402 | PERL_ARGS_ASSERT_SAVE_INT; |
7918f24d | 403 | |
5d9574c1 | 404 | if (UNLIKELY((int)(type >> SAVE_TIGHT_SHIFT) != i)) { |
d172696c DM |
405 | SS_ADD_INT(i); |
406 | type = SAVEt_INT; | |
407 | size++; | |
408 | } | |
409 | SS_ADD_PTR(intp); | |
410 | SS_ADD_UV(type); | |
411 | SS_ADD_END(size); | |
9febdf04 RH |
412 | } |
413 | ||
414 | void | |
58188858 RGS |
415 | Perl_save_I8(pTHX_ I8 *bytep) |
416 | { | |
417 | dVAR; | |
a3444cc5 | 418 | dSS_ADD; |
7918f24d NC |
419 | |
420 | PERL_ARGS_ASSERT_SAVE_I8; | |
421 | ||
a3444cc5 DM |
422 | SS_ADD_PTR(bytep); |
423 | SS_ADD_UV(SAVEt_I8 | ((UV)*bytep << 8)); | |
424 | SS_ADD_END(2); | |
58188858 RGS |
425 | } |
426 | ||
427 | void | |
87a84751 JH |
428 | Perl_save_I16(pTHX_ I16 *intp) |
429 | { | |
430 | dVAR; | |
a3444cc5 | 431 | dSS_ADD; |
7918f24d NC |
432 | |
433 | PERL_ARGS_ASSERT_SAVE_I16; | |
434 | ||
a3444cc5 DM |
435 | SS_ADD_PTR(intp); |
436 | SS_ADD_UV(SAVEt_I16 | ((UV)*intp << 8)); | |
437 | SS_ADD_END(2); | |
87a84751 JH |
438 | } |
439 | ||
440 | void | |
864dbfa3 | 441 | Perl_save_I32(pTHX_ I32 *intp) |
79072805 | 442 | { |
97aff369 | 443 | dVAR; |
d172696c | 444 | const I32 i = *intp; |
9b139d09 | 445 | UV type = ((I32)((U32)i << SAVE_TIGHT_SHIFT) | SAVEt_I32_SMALL); |
d172696c DM |
446 | int size = 2; |
447 | dSS_ADD; | |
7918f24d NC |
448 | |
449 | PERL_ARGS_ASSERT_SAVE_I32; | |
450 | ||
5d9574c1 | 451 | if (UNLIKELY((I32)(type >> SAVE_TIGHT_SHIFT) != i)) { |
d172696c DM |
452 | SS_ADD_INT(i); |
453 | type = SAVEt_I32; | |
454 | size++; | |
455 | } | |
456 | SS_ADD_PTR(intp); | |
457 | SS_ADD_UV(type); | |
458 | SS_ADD_END(size); | |
79072805 LW |
459 | } |
460 | ||
e8eb279c FC |
461 | void |
462 | Perl_save_strlen(pTHX_ STRLEN *ptr) | |
463 | { | |
464 | dVAR; | |
465 | dSS_ADD; | |
466 | ||
467 | PERL_ARGS_ASSERT_SAVE_STRLEN; | |
468 | ||
469 | SS_ADD_IV(*ptr); | |
470 | SS_ADD_PTR(ptr); | |
471 | SS_ADD_UV(SAVEt_STRLEN); | |
472 | SS_ADD_END(3); | |
473 | } | |
474 | ||
85e6fe83 LW |
475 | /* Cannot use save_sptr() to store a char* since the SV** cast will |
476 | * force word-alignment and we'll miss the pointer. | |
477 | */ | |
478 | void | |
864dbfa3 | 479 | Perl_save_pptr(pTHX_ char **pptr) |
85e6fe83 | 480 | { |
97aff369 | 481 | dVAR; |
7918f24d NC |
482 | |
483 | PERL_ARGS_ASSERT_SAVE_PPTR; | |
484 | ||
e22024d3 | 485 | save_pushptrptr(*pptr, pptr, SAVEt_PPTR); |
85e6fe83 LW |
486 | } |
487 | ||
79072805 | 488 | void |
146174a9 CB |
489 | Perl_save_vptr(pTHX_ void *ptr) |
490 | { | |
97aff369 | 491 | dVAR; |
7918f24d NC |
492 | |
493 | PERL_ARGS_ASSERT_SAVE_VPTR; | |
494 | ||
e22024d3 | 495 | save_pushptrptr(*(char**)ptr, ptr, SAVEt_VPTR); |
146174a9 CB |
496 | } |
497 | ||
498 | void | |
864dbfa3 | 499 | Perl_save_sptr(pTHX_ SV **sptr) |
79072805 | 500 | { |
97aff369 | 501 | dVAR; |
7918f24d NC |
502 | |
503 | PERL_ARGS_ASSERT_SAVE_SPTR; | |
504 | ||
e22024d3 | 505 | save_pushptrptr(*sptr, sptr, SAVEt_SPTR); |
79072805 LW |
506 | } |
507 | ||
c3564e5c | 508 | void |
09edbca0 | 509 | Perl_save_padsv_and_mortalize(pTHX_ PADOFFSET off) |
c3564e5c | 510 | { |
97aff369 | 511 | dVAR; |
a3444cc5 DM |
512 | dSS_ADD; |
513 | ||
f3548bdc | 514 | ASSERT_CURPAD_ACTIVE("save_padsv"); |
a3444cc5 DM |
515 | SS_ADD_PTR(SvREFCNT_inc_simple_NN(PL_curpad[off])); |
516 | SS_ADD_PTR(PL_comppad); | |
03dba561 | 517 | SS_ADD_UV((UV)off); |
a3444cc5 DM |
518 | SS_ADD_UV(SAVEt_PADSV_AND_MORTALIZE); |
519 | SS_ADD_END(4); | |
c3564e5c GS |
520 | } |
521 | ||
79072805 | 522 | void |
864dbfa3 | 523 | Perl_save_hptr(pTHX_ HV **hptr) |
79072805 | 524 | { |
97aff369 | 525 | dVAR; |
7918f24d NC |
526 | |
527 | PERL_ARGS_ASSERT_SAVE_HPTR; | |
528 | ||
e22024d3 | 529 | save_pushptrptr(*hptr, hptr, SAVEt_HPTR); |
79072805 LW |
530 | } |
531 | ||
532 | void | |
864dbfa3 | 533 | Perl_save_aptr(pTHX_ AV **aptr) |
79072805 | 534 | { |
97aff369 | 535 | dVAR; |
7918f24d NC |
536 | |
537 | PERL_ARGS_ASSERT_SAVE_APTR; | |
538 | ||
e22024d3 | 539 | save_pushptrptr(*aptr, aptr, SAVEt_APTR); |
79072805 LW |
540 | } |
541 | ||
542 | void | |
2fd8beea | 543 | Perl_save_pushptr(pTHX_ void *const ptr, const int type) |
8990e307 | 544 | { |
97aff369 | 545 | dVAR; |
a3444cc5 DM |
546 | dSS_ADD; |
547 | SS_ADD_PTR(ptr); | |
548 | SS_ADD_UV(type); | |
549 | SS_ADD_END(2); | |
8990e307 LW |
550 | } |
551 | ||
552 | void | |
864dbfa3 | 553 | Perl_save_clearsv(pTHX_ SV **svp) |
8990e307 | 554 | { |
97aff369 | 555 | dVAR; |
cdcdfc56 NC |
556 | const UV offset = svp - PL_curpad; |
557 | const UV offset_shifted = offset << SAVE_TIGHT_SHIFT; | |
7918f24d NC |
558 | |
559 | PERL_ARGS_ASSERT_SAVE_CLEARSV; | |
560 | ||
f3548bdc | 561 | ASSERT_CURPAD_ACTIVE("save_clearsv"); |
623e28c6 | 562 | SvPADSTALE_off(*svp); /* mark lexical as active */ |
5d9574c1 | 563 | if (UNLIKELY((offset_shifted >> SAVE_TIGHT_SHIFT) != offset)) { |
cdcdfc56 NC |
564 | Perl_croak(aTHX_ "panic: pad offset %"UVuf" out of range (%p-%p)", |
565 | offset, svp, PL_curpad); | |
a3444cc5 | 566 | } |
cdcdfc56 | 567 | |
a3444cc5 DM |
568 | { |
569 | dSS_ADD; | |
570 | SS_ADD_UV(offset_shifted | SAVEt_CLEARSV); | |
571 | SS_ADD_END(1); | |
572 | } | |
8990e307 LW |
573 | } |
574 | ||
575 | void | |
864dbfa3 | 576 | Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen) |
8990e307 | 577 | { |
97aff369 | 578 | dVAR; |
7918f24d NC |
579 | |
580 | PERL_ARGS_ASSERT_SAVE_DELETE; | |
581 | ||
85a721ca | 582 | save_pushptri32ptr(key, klen, SvREFCNT_inc_simple(hv), SAVEt_DELETE); |
8990e307 LW |
583 | } |
584 | ||
585 | void | |
af097752 VP |
586 | Perl_save_hdelete(pTHX_ HV *hv, SV *keysv) |
587 | { | |
588 | STRLEN len; | |
589 | I32 klen; | |
590 | const char *key; | |
591 | ||
592 | PERL_ARGS_ASSERT_SAVE_HDELETE; | |
593 | ||
594 | key = SvPV_const(keysv, len); | |
595 | klen = SvUTF8(keysv) ? -(I32)len : (I32)len; | |
596 | SvREFCNT_inc_simple_void_NN(hv); | |
597 | save_pushptri32ptr(savepvn(key, len), klen, hv, SAVEt_DELETE); | |
598 | } | |
599 | ||
600 | void | |
c70927a6 | 601 | Perl_save_adelete(pTHX_ AV *av, SSize_t key) |
c68ec7a9 VP |
602 | { |
603 | dVAR; | |
c70927a6 | 604 | dSS_ADD; |
c68ec7a9 VP |
605 | |
606 | PERL_ARGS_ASSERT_SAVE_ADELETE; | |
607 | ||
608 | SvREFCNT_inc_void(av); | |
c70927a6 FC |
609 | SS_ADD_UV(key); |
610 | SS_ADD_PTR(av); | |
611 | SS_ADD_IV(SAVEt_ADELETE); | |
612 | SS_ADD_END(3); | |
c68ec7a9 VP |
613 | } |
614 | ||
615 | void | |
12ab1f58 JH |
616 | Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p) |
617 | { | |
618 | dVAR; | |
a3444cc5 | 619 | dSS_ADD; |
7918f24d NC |
620 | |
621 | PERL_ARGS_ASSERT_SAVE_DESTRUCTOR; | |
622 | ||
a3444cc5 DM |
623 | SS_ADD_DPTR(f); |
624 | SS_ADD_PTR(p); | |
625 | SS_ADD_UV(SAVEt_DESTRUCTOR); | |
626 | SS_ADD_END(3); | |
12ab1f58 JH |
627 | } |
628 | ||
629 | void | |
146174a9 CB |
630 | Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p) |
631 | { | |
97aff369 | 632 | dVAR; |
a3444cc5 DM |
633 | dSS_ADD; |
634 | ||
635 | SS_ADD_DXPTR(f); | |
636 | SS_ADD_PTR(p); | |
637 | SS_ADD_UV(SAVEt_DESTRUCTOR_X); | |
638 | SS_ADD_END(3); | |
146174a9 CB |
639 | } |
640 | ||
641 | void | |
da8315f8 NC |
642 | Perl_save_hints(pTHX) |
643 | { | |
644 | dVAR; | |
20439bc7 | 645 | COPHH *save_cophh = cophh_copy(CopHINTHASH_get(&PL_compiling)); |
da8315f8 | 646 | if (PL_hints & HINT_LOCALIZE_HH) { |
52c7aca6 FC |
647 | HV *oldhh = GvHV(PL_hintgv); |
648 | save_pushptri32ptr(oldhh, PL_hints, save_cophh, SAVEt_HINTS); | |
649 | GvHV(PL_hintgv) = NULL; /* in case copying dies */ | |
650 | GvHV(PL_hintgv) = hv_copy_hints_hv(oldhh); | |
be84297e | 651 | } else { |
20439bc7 | 652 | save_pushi32ptr(PL_hints, save_cophh, SAVEt_HINTS); |
da8315f8 | 653 | } |
be84297e NC |
654 | } |
655 | ||
656 | static void | |
657 | S_save_pushptri32ptr(pTHX_ void *const ptr1, const I32 i, void *const ptr2, | |
658 | const int type) | |
659 | { | |
a3444cc5 DM |
660 | dSS_ADD; |
661 | SS_ADD_PTR(ptr1); | |
662 | SS_ADD_INT(i); | |
663 | SS_ADD_PTR(ptr2); | |
664 | SS_ADD_UV(type); | |
665 | SS_ADD_END(4); | |
da8315f8 NC |
666 | } |
667 | ||
668 | void | |
c70927a6 FC |
669 | Perl_save_aelem_flags(pTHX_ AV *av, SSize_t idx, SV **sptr, |
670 | const U32 flags) | |
4e4c362e | 671 | { |
c70927a6 | 672 | dVAR; dSS_ADD; |
bfc4de9f | 673 | SV *sv; |
7918f24d | 674 | |
91d1c79f | 675 | PERL_ARGS_ASSERT_SAVE_AELEM_FLAGS; |
7918f24d | 676 | |
0cbee0a4 | 677 | SvGETMAGIC(*sptr); |
c70927a6 FC |
678 | SS_ADD_PTR(SvREFCNT_inc_simple(av)); |
679 | SS_ADD_IV(idx); | |
680 | SS_ADD_PTR(SvREFCNT_inc(*sptr)); | |
681 | SS_ADD_UV(SAVEt_AELEM); | |
682 | SS_ADD_END(4); | |
1cdc9186 FC |
683 | /* The array needs to hold a reference count on its new element, so it |
684 | must be AvREAL. */ | |
5d9574c1 | 685 | if (UNLIKELY(!AvREAL(av) && AvREIFY(av))) |
1cdc9186 | 686 | av_reify(av); |
91d1c79f | 687 | save_scalar_at(sptr, flags); /* XXX - FIXME - see #60360 */ |
75d34a09 VP |
688 | if (flags & SAVEf_KEEPOLDELEM) |
689 | return; | |
bfc4de9f DM |
690 | sv = *sptr; |
691 | /* If we're localizing a tied array element, this new sv | |
692 | * won't actually be stored in the array - so it won't get | |
693 | * reaped when the localize ends. Ensure it gets reaped by | |
694 | * mortifying it instead. DAPM */ | |
5d9574c1 | 695 | if (UNLIKELY(SvTIED_mg((const SV *)av, PERL_MAGIC_tied))) |
bfc4de9f | 696 | sv_2mortal(sv); |
4e4c362e GS |
697 | } |
698 | ||
699 | void | |
af7df257 | 700 | Perl_save_helem_flags(pTHX_ HV *hv, SV *key, SV **sptr, const U32 flags) |
4e4c362e | 701 | { |
97aff369 | 702 | dVAR; |
bfc4de9f | 703 | SV *sv; |
7918f24d | 704 | |
af7df257 | 705 | PERL_ARGS_ASSERT_SAVE_HELEM_FLAGS; |
7918f24d | 706 | |
0cbee0a4 | 707 | SvGETMAGIC(*sptr); |
a3444cc5 DM |
708 | { |
709 | dSS_ADD; | |
710 | SS_ADD_PTR(SvREFCNT_inc_simple(hv)); | |
711 | SS_ADD_PTR(newSVsv(key)); | |
712 | SS_ADD_PTR(SvREFCNT_inc(*sptr)); | |
713 | SS_ADD_UV(SAVEt_HELEM); | |
714 | SS_ADD_END(4); | |
715 | } | |
af7df257 | 716 | save_scalar_at(sptr, flags); |
75d34a09 VP |
717 | if (flags & SAVEf_KEEPOLDELEM) |
718 | return; | |
bfc4de9f DM |
719 | sv = *sptr; |
720 | /* If we're localizing a tied hash element, this new sv | |
721 | * won't actually be stored in the hash - so it won't get | |
722 | * reaped when the localize ends. Ensure it gets reaped by | |
723 | * mortifying it instead. DAPM */ | |
5d9574c1 | 724 | if (UNLIKELY(SvTIED_mg((const SV *)hv, PERL_MAGIC_tied))) |
bfc4de9f | 725 | sv_2mortal(sv); |
4e4c362e GS |
726 | } |
727 | ||
2053acbf NC |
728 | SV* |
729 | Perl_save_svref(pTHX_ SV **sptr) | |
730 | { | |
731 | dVAR; | |
7918f24d NC |
732 | |
733 | PERL_ARGS_ASSERT_SAVE_SVREF; | |
734 | ||
2053acbf | 735 | SvGETMAGIC(*sptr); |
e22024d3 | 736 | save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_SVREF); |
af7df257 | 737 | return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */ |
2053acbf NC |
738 | } |
739 | ||
455ece5e | 740 | I32 |
864dbfa3 | 741 | Perl_save_alloc(pTHX_ I32 size, I32 pad) |
455ece5e | 742 | { |
97aff369 | 743 | dVAR; |
eb578fdb KW |
744 | const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix] |
745 | - (char*)PL_savestack); | |
1be36ce0 NC |
746 | const UV elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack)); |
747 | const UV elems_shifted = elems << SAVE_TIGHT_SHIFT; | |
455ece5e | 748 | |
5d9574c1 | 749 | if (UNLIKELY((elems_shifted >> SAVE_TIGHT_SHIFT) != elems)) |
93a641ae DM |
750 | Perl_croak(aTHX_ |
751 | "panic: save_alloc elems %"UVuf" out of range (%"IVdf"-%"IVdf")", | |
752 | elems, (IV)size, (IV)pad); | |
1be36ce0 NC |
753 | |
754 | SSGROW(elems + 1); | |
455ece5e AD |
755 | |
756 | PL_savestack_ix += elems; | |
1be36ce0 | 757 | SSPUSHUV(SAVEt_ALLOC | elems_shifted); |
455ece5e AD |
758 | return start; |
759 | } | |
760 | ||
03dba561 DM |
761 | |
762 | ||
763 | #define ARG0_SV MUTABLE_SV(arg0.any_ptr) | |
764 | #define ARG0_AV MUTABLE_AV(arg0.any_ptr) | |
765 | #define ARG0_HV MUTABLE_HV(arg0.any_ptr) | |
766 | #define ARG0_PTR arg0.any_ptr | |
767 | #define ARG0_PV (char*)(arg0.any_ptr) | |
768 | #define ARG0_PVP (char**)(arg0.any_ptr) | |
769 | #define ARG0_I32 (arg0.any_i32) | |
770 | ||
771 | #define ARG1_SV MUTABLE_SV(arg1.any_ptr) | |
772 | #define ARG1_AV MUTABLE_AV(arg1.any_ptr) | |
773 | #define ARG1_GV MUTABLE_GV(arg1.any_ptr) | |
774 | #define ARG1_SVP (SV**)(arg1.any_ptr) | |
775 | #define ARG1_PVP (char**)(arg1.any_ptr) | |
776 | #define ARG1_PTR arg1.any_ptr | |
777 | #define ARG1_PV (char*)(arg1.any_ptr) | |
778 | #define ARG1_I32 (arg1.any_i32) | |
779 | ||
780 | #define ARG2_SV MUTABLE_SV(arg2.any_ptr) | |
781 | #define ARG2_AV MUTABLE_AV(arg2.any_ptr) | |
782 | #define ARG2_HV MUTABLE_HV(arg2.any_ptr) | |
783 | #define ARG2_GV MUTABLE_GV(arg2.any_ptr) | |
784 | #define ARG2_PV (char*)(arg2.any_ptr) | |
785 | ||
462e5cf6 | 786 | void |
864dbfa3 | 787 | Perl_leave_scope(pTHX_ I32 base) |
79072805 | 788 | { |
97aff369 | 789 | dVAR; |
03dba561 | 790 | |
302c0c93 | 791 | /* Localise the effects of the TAINT_NOT inside the loop. */ |
284167a5 | 792 | bool was = TAINT_get; |
79072805 | 793 | |
03dba561 DM |
794 | ANY arg0, arg1, arg2; |
795 | ||
796 | /* these initialisations are logically unnecessary, but they shut up | |
797 | * spurious 'may be used uninitialized' compiler warnings */ | |
798 | arg0.any_ptr = NULL; | |
799 | arg1.any_ptr = NULL; | |
800 | arg2.any_ptr = NULL; | |
801 | ||
5d9574c1 | 802 | if (UNLIKELY(base < -1)) |
5637ef5b | 803 | Perl_croak(aTHX_ "panic: corrupt saved stack index %ld", (long) base); |
1c98cc53 DM |
804 | DEBUG_l(Perl_deb(aTHX_ "savestack: releasing items %ld -> %ld\n", |
805 | (long)PL_savestack_ix, (long)base)); | |
3280af22 | 806 | while (PL_savestack_ix > base) { |
03dba561 DM |
807 | UV uv; |
808 | U8 type; | |
809 | ||
810 | SV *refsv; | |
811 | SV **svp; | |
812 | ||
c6ae7647 NC |
813 | TAINT_NOT; |
814 | ||
03dba561 DM |
815 | { |
816 | I32 ix = PL_savestack_ix - 1; | |
817 | ANY *p = &PL_savestack[ix]; | |
818 | uv = p->any_uv; | |
819 | type = (U8)uv & SAVE_MASK; | |
820 | if (type > SAVEt_ARG0_MAX) { | |
821 | ANY *p0 = p; | |
822 | arg0 = *--p; | |
823 | if (type > SAVEt_ARG1_MAX) { | |
824 | arg1 = *--p; | |
825 | if (type > SAVEt_ARG2_MAX) { | |
826 | arg2 = *--p; | |
827 | } | |
828 | } | |
829 | ix -= (p0 - p); | |
830 | } | |
831 | PL_savestack_ix = ix; | |
832 | } | |
833 | ||
c6bf6a65 | 834 | switch (type) { |
79072805 | 835 | case SAVEt_ITEM: /* normal string */ |
03dba561 | 836 | sv_replace(ARG1_SV, ARG0_SV); |
5d9574c1 | 837 | if (UNLIKELY(SvSMAGICAL(ARG1_SV))) { |
b492a59e DM |
838 | PL_localizing = 2; |
839 | mg_set(ARG1_SV); | |
840 | PL_localizing = 0; | |
841 | } | |
79072805 | 842 | break; |
03dba561 DM |
843 | |
844 | /* This would be a mathom, but Perl_save_svref() calls a static | |
845 | function, S_save_scalar_at(), so has to stay in this file. */ | |
846 | case SAVEt_SVREF: /* scalar reference */ | |
847 | svp = ARG1_SVP; | |
848 | refsv = NULL; /* what to refcnt_dec */ | |
849 | goto restore_sv; | |
850 | ||
8aacddc1 | 851 | case SAVEt_SV: /* scalar reference */ |
03dba561 DM |
852 | svp = &GvSV(ARG1_GV); |
853 | refsv = ARG1_SV; /* what to refcnt_dec */ | |
2053acbf | 854 | restore_sv: |
03dba561 DM |
855 | { |
856 | SV * const sv = *svp; | |
857 | *svp = ARG0_SV; | |
2053acbf | 858 | SvREFCNT_dec(sv); |
5d9574c1 | 859 | if (UNLIKELY(SvSMAGICAL(ARG0_SV))) { |
b492a59e DM |
860 | PL_localizing = 2; |
861 | mg_set(ARG0_SV); | |
862 | PL_localizing = 0; | |
863 | } | |
4a9a56a7 | 864 | SvREFCNT_dec_NN(ARG0_SV); |
03dba561 | 865 | SvREFCNT_dec(refsv); |
2053acbf | 866 | break; |
03dba561 | 867 | } |
8aacddc1 | 868 | case SAVEt_GENERIC_PVREF: /* generic pv */ |
03dba561 DM |
869 | if (*ARG0_PVP != ARG1_PV) { |
870 | Safefree(*ARG0_PVP); | |
871 | *ARG0_PVP = ARG1_PV; | |
f4dd75d9 GS |
872 | } |
873 | break; | |
05ec9bb3 | 874 | case SAVEt_SHARED_PVREF: /* shared pv */ |
03dba561 | 875 | if (*ARG1_PVP != ARG0_PV) { |
5e54c26f | 876 | #ifdef NETWARE |
03dba561 | 877 | PerlMem_free(*ARG1_PVP); |
5e54c26f | 878 | #else |
03dba561 | 879 | PerlMemShared_free(*ARG1_PVP); |
5e54c26f | 880 | #endif |
03dba561 | 881 | *ARG1_PVP = ARG0_PV; |
05ec9bb3 NIS |
882 | } |
883 | break; | |
f83b46a0 | 884 | case SAVEt_GVSV: /* scalar slot in GV */ |
03dba561 | 885 | svp = &GvSV(ARG1_GV); |
f83b46a0 | 886 | goto restore_svp; |
8aacddc1 | 887 | case SAVEt_GENERIC_SVREF: /* generic sv */ |
03dba561 | 888 | svp = ARG1_SVP; |
f83b46a0 | 889 | restore_svp: |
03dba561 DM |
890 | { |
891 | SV * const sv = *svp; | |
892 | *svp = ARG0_SV; | |
f4dd75d9 | 893 | SvREFCNT_dec(sv); |
03dba561 | 894 | SvREFCNT_dec(ARG0_SV); |
b9d12d37 | 895 | break; |
03dba561 | 896 | } |
db9306af | 897 | case SAVEt_GVSLOT: /* any slot in GV */ |
03dba561 DM |
898 | { |
899 | HV *const hv = GvSTASH(ARG2_GV); | |
900 | svp = ARG1_SVP; | |
db9306af | 901 | if (hv && HvENAME(hv) && ( |
03dba561 DM |
902 | (ARG0_SV && SvTYPE(ARG0_SV) == SVt_PVCV) |
903 | || (*svp && SvTYPE(*svp) == SVt_PVCV) | |
db9306af FC |
904 | )) |
905 | { | |
03dba561 DM |
906 | if ((char *)svp < (char *)GvGP(ARG2_GV) |
907 | || (char *)svp > (char *)GvGP(ARG2_GV) + sizeof(struct gp) | |
908 | || GvREFCNT(ARG2_GV) > 1) | |
db9306af FC |
909 | PL_sub_generation++; |
910 | else mro_method_changed_in(hv); | |
911 | } | |
912 | goto restore_svp; | |
03dba561 | 913 | } |
8aacddc1 | 914 | case SAVEt_AV: /* array reference */ |
03dba561 DM |
915 | SvREFCNT_dec(GvAV(ARG1_GV)); |
916 | GvAV(ARG1_GV) = ARG0_AV; | |
5d9574c1 | 917 | if (UNLIKELY(SvSMAGICAL(ARG0_SV))) { |
b492a59e DM |
918 | PL_localizing = 2; |
919 | mg_set(ARG0_SV); | |
920 | PL_localizing = 0; | |
921 | } | |
4a9a56a7 | 922 | SvREFCNT_dec_NN(ARG1_GV); |
8aacddc1 NIS |
923 | break; |
924 | case SAVEt_HV: /* hash reference */ | |
03dba561 DM |
925 | SvREFCNT_dec(GvHV(ARG1_GV)); |
926 | GvHV(ARG1_GV) = ARG0_HV; | |
5d9574c1 | 927 | if (UNLIKELY(SvSMAGICAL(ARG0_SV))) { |
b492a59e DM |
928 | PL_localizing = 2; |
929 | mg_set(ARG0_SV); | |
930 | PL_localizing = 0; | |
931 | } | |
4a9a56a7 | 932 | SvREFCNT_dec_NN(ARG1_GV); |
8aacddc1 | 933 | break; |
994d373a | 934 | case SAVEt_INT_SMALL: |
03dba561 | 935 | *(int*)ARG0_PTR = (int)(uv >> SAVE_TIGHT_SHIFT); |
994d373a | 936 | break; |
79072805 | 937 | case SAVEt_INT: /* int reference */ |
03dba561 | 938 | *(int*)ARG0_PTR = (int)ARG1_I32; |
79072805 | 939 | break; |
e8eb279c FC |
940 | case SAVEt_STRLEN: /* STRLEN/size_t ref */ |
941 | *(STRLEN*)ARG0_PTR = (STRLEN)arg1.any_iv; | |
942 | break; | |
9febdf04 | 943 | case SAVEt_BOOL: /* bool reference */ |
03dba561 | 944 | *(bool*)ARG0_PTR = cBOOL(uv >> 8); |
9a9b5ec9 DM |
945 | #ifdef NO_TAINT_SUPPORT |
946 | PERL_UNUSED_VAR(was); | |
947 | #else | |
5d9574c1 | 948 | if (UNLIKELY(ARG0_PTR == &(TAINT_get))) { |
b6f93e7a KW |
949 | /* If we don't update <was>, to reflect what was saved on the |
950 | * stack for PL_tainted, then we will overwrite this attempt to | |
951 | * restore it when we exit this routine. Note that this won't | |
952 | * work if this value was saved in a wider-than necessary type, | |
953 | * such as I32 */ | |
03dba561 | 954 | was = *(bool*)ARG0_PTR; |
b6f93e7a | 955 | } |
284167a5 | 956 | #endif |
9febdf04 | 957 | break; |
89abef21 | 958 | case SAVEt_I32_SMALL: |
03dba561 | 959 | *(I32*)ARG0_PTR = (I32)(uv >> SAVE_TIGHT_SHIFT); |
89abef21 | 960 | break; |
79072805 | 961 | case SAVEt_I32: /* I32 reference */ |
3235b7a3 | 962 | #ifdef PERL_DEBUG_READONLY_OPS |
03dba561 | 963 | if (*(I32*)ARG0_PTR != ARG1_I32) |
3235b7a3 | 964 | #endif |
03dba561 | 965 | *(I32*)ARG0_PTR = ARG1_I32; |
79072805 LW |
966 | break; |
967 | case SAVEt_SPTR: /* SV* reference */ | |
03dba561 | 968 | *(SV**)(ARG0_PTR)= ARG1_SV; |
79072805 | 969 | break; |
146174a9 | 970 | case SAVEt_VPTR: /* random* reference */ |
85e6fe83 | 971 | case SAVEt_PPTR: /* char* reference */ |
03dba561 | 972 | *ARG0_PVP = ARG1_PV; |
85e6fe83 | 973 | break; |
79072805 | 974 | case SAVEt_HPTR: /* HV* reference */ |
03dba561 | 975 | *(HV**)ARG0_PTR = MUTABLE_HV(ARG1_PTR); |
79072805 LW |
976 | break; |
977 | case SAVEt_APTR: /* AV* reference */ | |
03dba561 | 978 | *(AV**)ARG0_PTR = ARG1_AV; |
79072805 | 979 | break; |
fb73857a | 980 | case SAVEt_GP: /* scalar reference */ |
03dba561 DM |
981 | { |
982 | HV *hv; | |
983 | /* possibly taking a method out of circulation */ | |
984 | const bool had_method = !!GvCVu(ARG1_GV); | |
985 | gp_free(ARG1_GV); | |
986 | GvGP_set(ARG1_GV, (GP*)ARG0_PTR); | |
987 | if ((hv=GvSTASH(ARG1_GV)) && HvENAME_get(hv)) { | |
988 | if ( GvNAMELEN(ARG1_GV) == 3 | |
989 | && strnEQ(GvNAME(ARG1_GV), "ISA", 3) | |
990 | ) | |
991 | mro_isa_changed_in(hv); | |
992 | else if (had_method || GvCVu(ARG1_GV)) | |
993 | /* putting a method back into circulation ("local")*/ | |
994 | gv_method_changed(ARG1_GV); | |
3d460042 | 995 | } |
4a9a56a7 | 996 | SvREFCNT_dec_NN(ARG1_GV); |
8aacddc1 | 997 | break; |
03dba561 | 998 | } |
8990e307 | 999 | case SAVEt_FREESV: |
03dba561 | 1000 | SvREFCNT_dec(ARG0_SV); |
8990e307 | 1001 | break; |
3987a177 | 1002 | case SAVEt_FREECOPHH: |
03dba561 | 1003 | cophh_free((COPHH *)ARG0_PTR); |
3987a177 | 1004 | break; |
26d9b02f | 1005 | case SAVEt_MORTALIZESV: |
03dba561 | 1006 | sv_2mortal(ARG0_SV); |
26d9b02f | 1007 | break; |
8990e307 | 1008 | case SAVEt_FREEOP: |
5e5ba94b | 1009 | ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); |
03dba561 | 1010 | op_free((OP*)ARG0_PTR); |
8990e307 LW |
1011 | break; |
1012 | case SAVEt_FREEPV: | |
03dba561 | 1013 | Safefree(ARG0_PTR); |
8990e307 | 1014 | break; |
4e09461c DM |
1015 | |
1016 | { | |
1017 | SV **svp; | |
03dba561 DM |
1018 | I32 i; |
1019 | SV *sv; | |
1020 | ||
4e09461c DM |
1021 | case SAVEt_CLEARPADRANGE: |
1022 | i = (I32)((uv >> SAVE_TIGHT_SHIFT) & OPpPADRANGE_COUNTMASK); | |
1023 | svp = &PL_curpad[uv >> | |
1024 | (OPpPADRANGE_COUNTSHIFT + SAVE_TIGHT_SHIFT)] + i - 1; | |
1025 | goto clearsv; | |
8990e307 | 1026 | case SAVEt_CLEARSV: |
4e09461c DM |
1027 | svp = &PL_curpad[uv >> SAVE_TIGHT_SHIFT]; |
1028 | i = 1; | |
1029 | clearsv: | |
1030 | for (; i; i--, svp--) { | |
528ad060 DM |
1031 | sv = *svp; |
1032 | ||
1033 | DEBUG_Xv(PerlIO_printf(Perl_debug_log, | |
1034 | "Pad 0x%"UVxf"[0x%"UVxf"] clearsv: %ld sv=0x%"UVxf"<%"IVdf"> %s\n", | |
1035 | PTR2UV(PL_comppad), PTR2UV(PL_curpad), | |
1036 | (long)(svp-PL_curpad), PTR2UV(sv), (IV)SvREFCNT(sv), | |
1037 | (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon" | |
1038 | )); | |
1039 | ||
d263c017 DM |
1040 | assert(SvPADMY(sv)); |
1041 | ||
528ad060 | 1042 | /* Can clear pad variable in place? */ |
9af15990 | 1043 | if (SvREFCNT(sv) == 1 && !SvOBJECT(sv)) { |
a07f0bef | 1044 | |
a07f0bef DM |
1045 | /* these flags are the union of all the relevant flags |
1046 | * in the individual conditions within */ | |
1047 | if (UNLIKELY(SvFLAGS(sv) & ( | |
1048 | SVf_READONLY /* for SvREADONLY_off() */ | |
1049 | | (SVs_GMG|SVs_SMG|SVs_RMG) /* SvMAGICAL() */ | |
7532eaae | 1050 | | SVf_OOK |
a07f0bef DM |
1051 | | SVf_THINKFIRST))) |
1052 | { | |
7500fc82 DM |
1053 | /* if a my variable that was made readonly is |
1054 | * going out of scope, we want to remove the | |
1055 | * readonlyness so that it can go out of scope | |
1056 | * quietly | |
1057 | */ | |
d263c017 | 1058 | if (SvREADONLY(sv) && !SvFAKE(sv)) |
7500fc82 DM |
1059 | SvREADONLY_off(sv); |
1060 | ||
7532eaae DM |
1061 | if (SvOOK(sv)) { /* OOK or HvAUX */ |
1062 | if (SvTYPE(sv) == SVt_PVHV) | |
1063 | Perl_hv_kill_backrefs(aTHX_ MUTABLE_HV(sv)); | |
1064 | else | |
1065 | sv_backoff(sv); | |
1066 | } | |
1067 | ||
7500fc82 | 1068 | if (SvMAGICAL(sv)) { |
7532eaae DM |
1069 | /* note that backrefs (either in HvAUX or magic) |
1070 | * must be removed before other magic */ | |
7500fc82 DM |
1071 | sv_unmagic(sv, PERL_MAGIC_backref); |
1072 | if (SvTYPE(sv) != SVt_PVCV) | |
1073 | mg_free(sv); | |
1074 | } | |
1075 | if (SvTHINKFIRST(sv)) | |
1076 | sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF | |
1077 | |SV_COW_DROP_PV); | |
528ad060 | 1078 | |
a07f0bef | 1079 | } |
528ad060 DM |
1080 | switch (SvTYPE(sv)) { |
1081 | case SVt_NULL: | |
1082 | break; | |
1083 | case SVt_PVAV: | |
1084 | av_clear(MUTABLE_AV(sv)); | |
1085 | break; | |
1086 | case SVt_PVHV: | |
1087 | hv_clear(MUTABLE_HV(sv)); | |
1088 | break; | |
1089 | case SVt_PVCV: | |
1090 | { | |
1091 | HEK * const hek = CvNAME_HEK((CV *)sv); | |
1092 | assert(hek); | |
1093 | share_hek_hek(hek); | |
1094 | cv_undef((CV *)sv); | |
1095 | CvNAME_HEK_set(sv, hek); | |
1096 | break; | |
1097 | } | |
1098 | default: | |
c79d0076 NC |
1099 | /* This looks odd, but these two macros are for use in |
1100 | expressions and finish with a trailing comma, so | |
1101 | adding a ; after them would be wrong. */ | |
1102 | assert_not_ROK(sv) | |
1103 | assert_not_glob(sv) | |
5c85b638 | 1104 | SvFLAGS(sv) &=~ (SVf_OK|SVf_IVisUV|SVf_UTF8); |
528ad060 DM |
1105 | break; |
1106 | } | |
1107 | SvPADSTALE_on(sv); /* mark as no longer live */ | |
1108 | } | |
1109 | else { /* Someone has a claim on this, so abandon it. */ | |
1110 | assert( SvFLAGS(sv) & SVs_PADMY); | |
1111 | assert(!(SvFLAGS(sv) & SVs_PADTMP)); | |
1112 | switch (SvTYPE(sv)) { /* Console ourselves with a new value */ | |
1113 | case SVt_PVAV: *svp = MUTABLE_SV(newAV()); break; | |
1114 | case SVt_PVHV: *svp = MUTABLE_SV(newHV()); break; | |
1115 | case SVt_PVCV: | |
1116 | { | |
1117 | /* Create a stub */ | |
1118 | *svp = newSV_type(SVt_PVCV); | |
1119 | ||
1120 | /* Share name */ | |
1121 | assert(CvNAMED(sv)); | |
1122 | CvNAME_HEK_set(*svp, | |
1123 | share_hek_hek(CvNAME_HEK((CV *)sv))); | |
1124 | break; | |
1125 | } | |
1126 | default: *svp = newSV(0); break; | |
1127 | } | |
4a9a56a7 | 1128 | SvREFCNT_dec_NN(sv); /* Cast current value to the winds. */ |
528ad060 DM |
1129 | /* preserve pad nature, but also mark as not live |
1130 | * for any closure capturing */ | |
1131 | SvFLAGS(*svp) |= (SVs_PADMY|SVs_PADSTALE); | |
1132 | } | |
4e09461c | 1133 | } |
8990e307 | 1134 | break; |
4e09461c | 1135 | } |
8990e307 | 1136 | case SAVEt_DELETE: |
03dba561 DM |
1137 | (void)hv_delete(ARG0_HV, ARG2_PV, ARG1_I32, G_DISCARD); |
1138 | SvREFCNT_dec(ARG0_HV); | |
1139 | Safefree(arg2.any_ptr); | |
8990e307 | 1140 | break; |
c68ec7a9 | 1141 | case SAVEt_ADELETE: |
c70927a6 | 1142 | (void)av_delete(ARG0_AV, arg1.any_iv, G_DISCARD); |
03dba561 | 1143 | SvREFCNT_dec(ARG0_AV); |
c68ec7a9 | 1144 | break; |
146174a9 | 1145 | case SAVEt_DESTRUCTOR_X: |
03dba561 | 1146 | (*arg1.any_dxptr)(aTHX_ ARG0_PTR); |
a0d0e21e LW |
1147 | break; |
1148 | case SAVEt_REGCONTEXT: | |
e0fa7e2b | 1149 | /* regexp must have croaked */ |
455ece5e | 1150 | case SAVEt_ALLOC: |
1be36ce0 | 1151 | PL_savestack_ix -= uv >> SAVE_TIGHT_SHIFT; |
a0d0e21e | 1152 | break; |
55497cff | 1153 | case SAVEt_STACK_POS: /* Position on Perl stack */ |
03dba561 | 1154 | PL_stack_sp = PL_stack_base + arg0.any_i32; |
55497cff | 1155 | break; |
161b7d16 | 1156 | case SAVEt_AELEM: /* array element */ |
c70927a6 | 1157 | svp = av_fetch(ARG2_AV, arg1.any_iv, 1); |
5d9574c1 | 1158 | if (UNLIKELY(!AvREAL(ARG2_AV) && AvREIFY(ARG2_AV))) /* undo reify guard */ |
03dba561 | 1159 | SvREFCNT_dec(ARG0_SV); |
5d9574c1 | 1160 | if (LIKELY(svp)) { |
03dba561 | 1161 | SV * const sv = *svp; |
5d9574c1 DM |
1162 | if (LIKELY(sv && sv != &PL_sv_undef)) { |
1163 | if (UNLIKELY(SvTIED_mg((const SV *)ARG2_AV, PERL_MAGIC_tied))) | |
b37c2d43 | 1164 | SvREFCNT_inc_void_NN(sv); |
03dba561 | 1165 | refsv = ARG2_SV; |
4e4c362e GS |
1166 | goto restore_sv; |
1167 | } | |
1168 | } | |
03dba561 DM |
1169 | SvREFCNT_dec(ARG2_AV); |
1170 | SvREFCNT_dec(ARG0_SV); | |
4e4c362e | 1171 | break; |
161b7d16 | 1172 | case SAVEt_HELEM: /* hash element */ |
03dba561 DM |
1173 | { |
1174 | HE * const he = hv_fetch_ent(ARG2_HV, ARG1_SV, 1, 0); | |
1175 | SvREFCNT_dec(ARG1_SV); | |
5d9574c1 | 1176 | if (LIKELY(he)) { |
03dba561 | 1177 | const SV * const oval = HeVAL(he); |
5d9574c1 | 1178 | if (LIKELY(oval && oval != &PL_sv_undef)) { |
03dba561 | 1179 | svp = &HeVAL(he); |
5d9574c1 | 1180 | if (UNLIKELY(SvTIED_mg((const SV *)ARG2_HV, PERL_MAGIC_tied))) |
03dba561 DM |
1181 | SvREFCNT_inc_void(*svp); |
1182 | refsv = ARG2_SV; /* what to refcnt_dec */ | |
4e4c362e GS |
1183 | goto restore_sv; |
1184 | } | |
1185 | } | |
03dba561 DM |
1186 | SvREFCNT_dec(ARG2_HV); |
1187 | SvREFCNT_dec(ARG0_SV); | |
4e4c362e | 1188 | break; |
03dba561 | 1189 | } |
462e5cf6 | 1190 | case SAVEt_OP: |
03dba561 | 1191 | PL_op = (OP*)ARG0_PTR; |
462e5cf6 | 1192 | break; |
25eaa213 | 1193 | case SAVEt_HINTS: |
3607ca02 FC |
1194 | if ((PL_hints & HINT_LOCALIZE_HH)) { |
1195 | while (GvHV(PL_hintgv)) { | |
2653c1e3 | 1196 | HV *hv = GvHV(PL_hintgv); |
045ac317 | 1197 | GvHV(PL_hintgv) = NULL; |
2653c1e3 | 1198 | SvREFCNT_dec(MUTABLE_SV(hv)); |
3607ca02 | 1199 | } |
045ac317 | 1200 | } |
20439bc7 | 1201 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
03dba561 DM |
1202 | CopHINTHASH_set(&PL_compiling, (COPHH*)ARG0_PTR); |
1203 | *(I32*)&PL_hints = ARG1_I32; | |
dfa41748 | 1204 | if (PL_hints & HINT_LOCALIZE_HH) { |
ad64d0ec | 1205 | SvREFCNT_dec(MUTABLE_SV(GvHV(PL_hintgv))); |
85fbaab2 | 1206 | GvHV(PL_hintgv) = MUTABLE_HV(SSPOPPTR); |
2653c1e3 DM |
1207 | } |
1208 | if (!GvHV(PL_hintgv)) { | |
a3fb8386 FC |
1209 | /* Need to add a new one manually, else rv2hv can |
1210 | add one via GvHVn and it won't have the magic set. */ | |
5b9c0671 NC |
1211 | HV *const hv = newHV(); |
1212 | hv_magic(hv, NULL, PERL_MAGIC_hints); | |
1213 | GvHV(PL_hintgv) = hv; | |
dfa41748 | 1214 | } |
5b9c0671 | 1215 | assert(GvHV(PL_hintgv)); |
b3ac6de7 | 1216 | break; |
cb50131a | 1217 | case SAVEt_COMPPAD: |
03dba561 | 1218 | PL_comppad = (PAD*)ARG0_PTR; |
5d9574c1 | 1219 | if (LIKELY(PL_comppad)) |
cb50131a CB |
1220 | PL_curpad = AvARRAY(PL_comppad); |
1221 | else | |
4608196e | 1222 | PL_curpad = NULL; |
cb50131a | 1223 | break; |
09edbca0 | 1224 | case SAVEt_PADSV_AND_MORTALIZE: |
c3564e5c | 1225 | { |
09edbca0 | 1226 | SV **svp; |
03dba561 DM |
1227 | assert (ARG1_PTR); |
1228 | svp = AvARRAY((PAD*)ARG1_PTR) + (PADOFFSET)arg0.any_uv; | |
09edbca0 NC |
1229 | /* This mortalizing used to be done by POPLOOP() via itersave. |
1230 | But as we have all the information here, we can do it here, | |
1231 | save even having to have itersave in the struct. */ | |
1232 | sv_2mortal(*svp); | |
03dba561 | 1233 | *svp = ARG2_SV; |
c3564e5c GS |
1234 | } |
1235 | break; | |
8b7059b1 DM |
1236 | case SAVEt_SAVESWITCHSTACK: |
1237 | { | |
1238 | dSP; | |
03dba561 DM |
1239 | SWITCHSTACK(ARG0_AV, ARG1_AV); |
1240 | PL_curstackinfo->si_stack = ARG1_AV; | |
8b7059b1 DM |
1241 | } |
1242 | break; | |
14f338dc | 1243 | case SAVEt_SET_SVFLAGS: |
03dba561 DM |
1244 | SvFLAGS(ARG2_SV) &= ~((U32)ARG1_I32); |
1245 | SvFLAGS(ARG2_SV) |= (U32)ARG0_I32; | |
14f338dc | 1246 | break; |
95e06916 | 1247 | |
95e06916 NC |
1248 | /* These are only saved in mathoms.c */ |
1249 | case SAVEt_NSTAB: | |
03dba561 | 1250 | (void)sv_clear(ARG0_SV); |
95e06916 | 1251 | break; |
2053acbf | 1252 | case SAVEt_LONG: /* long reference */ |
03dba561 | 1253 | *(long*)ARG0_PTR = arg1.any_long; |
2053acbf | 1254 | break; |
95e06916 | 1255 | case SAVEt_IV: /* IV reference */ |
03dba561 | 1256 | *(IV*)ARG0_PTR = arg1.any_iv; |
95e06916 NC |
1257 | break; |
1258 | ||
2053acbf | 1259 | case SAVEt_I16: /* I16 reference */ |
03dba561 | 1260 | *(I16*)ARG0_PTR = (I16)(uv >> 8); |
2053acbf NC |
1261 | break; |
1262 | case SAVEt_I8: /* I8 reference */ | |
03dba561 | 1263 | *(I8*)ARG0_PTR = (I8)(uv >> 8); |
2053acbf | 1264 | break; |
2053acbf | 1265 | case SAVEt_DESTRUCTOR: |
03dba561 | 1266 | (*arg1.any_dptr)(ARG0_PTR); |
2053acbf | 1267 | break; |
68da3b2f | 1268 | case SAVEt_COMPILE_WARNINGS: |
68da3b2f NC |
1269 | if (!specialWARN(PL_compiling.cop_warnings)) |
1270 | PerlMemShared_free(PL_compiling.cop_warnings); | |
72dc9ed5 | 1271 | |
03dba561 | 1272 | PL_compiling.cop_warnings = (STRLEN*)ARG0_PTR; |
72dc9ed5 | 1273 | break; |
7c197c94 | 1274 | case SAVEt_PARSER: |
03dba561 | 1275 | parser_free((yy_parser *) ARG0_PTR); |
7c197c94 | 1276 | break; |
20d5dc23 FC |
1277 | case SAVEt_READONLY_OFF: |
1278 | SvREADONLY_off(ARG0_SV); | |
1279 | break; | |
79072805 | 1280 | default: |
5637ef5b | 1281 | Perl_croak(aTHX_ "panic: leave_scope inconsistency %u", type); |
79072805 LW |
1282 | } |
1283 | } | |
302c0c93 | 1284 | |
284167a5 | 1285 | TAINT_set(was); |
79072805 | 1286 | } |
8990e307 | 1287 | |
8990e307 | 1288 | void |
864dbfa3 | 1289 | Perl_cx_dump(pTHX_ PERL_CONTEXT *cx) |
8990e307 | 1290 | { |
97aff369 | 1291 | dVAR; |
7918f24d NC |
1292 | |
1293 | PERL_ARGS_ASSERT_CX_DUMP; | |
1294 | ||
35ff7856 | 1295 | #ifdef DEBUGGING |
22c35a8c | 1296 | PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]); |
6b35e009 | 1297 | if (CxTYPE(cx) != CXt_SUBST) { |
e8d9e9d0 | 1298 | const char *gimme_text; |
760ac839 | 1299 | PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp); |
146174a9 CB |
1300 | PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n", |
1301 | PTR2UV(cx->blk_oldcop)); | |
760ac839 LW |
1302 | PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp); |
1303 | PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp); | |
146174a9 CB |
1304 | PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n", |
1305 | PTR2UV(cx->blk_oldpm)); | |
e8d9e9d0 VP |
1306 | switch (cx->blk_gimme) { |
1307 | case G_VOID: | |
1308 | gimme_text = "VOID"; | |
1309 | break; | |
1310 | case G_SCALAR: | |
1311 | gimme_text = "SCALAR"; | |
1312 | break; | |
1313 | case G_ARRAY: | |
1314 | gimme_text = "LIST"; | |
1315 | break; | |
1316 | default: | |
1317 | gimme_text = "UNKNOWN"; | |
1318 | break; | |
1319 | } | |
1320 | PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", gimme_text); | |
8990e307 | 1321 | } |
6b35e009 | 1322 | switch (CxTYPE(cx)) { |
8990e307 LW |
1323 | case CXt_NULL: |
1324 | case CXt_BLOCK: | |
1325 | break; | |
146174a9 | 1326 | case CXt_FORMAT: |
f9c764c5 NC |
1327 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.CV = 0x%"UVxf"\n", |
1328 | PTR2UV(cx->blk_format.cv)); | |
1329 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.GV = 0x%"UVxf"\n", | |
1330 | PTR2UV(cx->blk_format.gv)); | |
1331 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.DFOUTGV = 0x%"UVxf"\n", | |
1332 | PTR2UV(cx->blk_format.dfoutgv)); | |
1333 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.HASARGS = %d\n", | |
bafb2adc | 1334 | (int)CxHASARGS(cx)); |
f9c764c5 NC |
1335 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.RETOP = 0x%"UVxf"\n", |
1336 | PTR2UV(cx->blk_format.retop)); | |
146174a9 | 1337 | break; |
8990e307 | 1338 | case CXt_SUB: |
146174a9 CB |
1339 | PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n", |
1340 | PTR2UV(cx->blk_sub.cv)); | |
760ac839 | 1341 | PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n", |
8990e307 | 1342 | (long)cx->blk_sub.olddepth); |
760ac839 | 1343 | PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n", |
bafb2adc NC |
1344 | (int)CxHASARGS(cx)); |
1345 | PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n", (int)CxLVAL(cx)); | |
f39bc417 DM |
1346 | PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n", |
1347 | PTR2UV(cx->blk_sub.retop)); | |
8990e307 LW |
1348 | break; |
1349 | case CXt_EVAL: | |
760ac839 | 1350 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n", |
85a64632 | 1351 | (long)CxOLD_IN_EVAL(cx)); |
760ac839 | 1352 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n", |
85a64632 NC |
1353 | PL_op_name[CxOLD_OP_TYPE(cx)], |
1354 | PL_op_desc[CxOLD_OP_TYPE(cx)]); | |
0f79a09d GS |
1355 | if (cx->blk_eval.old_namesv) |
1356 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n", | |
aa07b2f6 | 1357 | SvPVX_const(cx->blk_eval.old_namesv)); |
146174a9 CB |
1358 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n", |
1359 | PTR2UV(cx->blk_eval.old_eval_root)); | |
f39bc417 DM |
1360 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.RETOP = 0x%"UVxf"\n", |
1361 | PTR2UV(cx->blk_eval.retop)); | |
8990e307 LW |
1362 | break; |
1363 | ||
c6fdafd0 | 1364 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1365 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
1366 | case CXt_LOOP_FOR: |
1367 | case CXt_LOOP_PLAIN: | |
0cbdab38 | 1368 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n", CxLABEL(cx)); |
760ac839 | 1369 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n", |
8990e307 | 1370 | (long)cx->blk_loop.resetsp); |
022eaa24 NC |
1371 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.MY_OP = 0x%"UVxf"\n", |
1372 | PTR2UV(cx->blk_loop.my_op)); | |
d01136d6 | 1373 | /* XXX: not accurate for LAZYSV/IV */ |
146174a9 | 1374 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n", |
d01136d6 BS |
1375 | PTR2UV(cx->blk_loop.state_u.ary.ary)); |
1376 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n", | |
1377 | (long)cx->blk_loop.state_u.ary.ix); | |
146174a9 CB |
1378 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n", |
1379 | PTR2UV(CxITERVAR(cx))); | |
8990e307 LW |
1380 | break; |
1381 | ||
1382 | case CXt_SUBST: | |
760ac839 | 1383 | PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n", |
8990e307 | 1384 | (long)cx->sb_iters); |
760ac839 | 1385 | PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n", |
8990e307 | 1386 | (long)cx->sb_maxiters); |
35ef4773 GS |
1387 | PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n", |
1388 | (long)cx->sb_rflags); | |
760ac839 | 1389 | PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n", |
c5bed6a7 | 1390 | (long)CxONCE(cx)); |
760ac839 | 1391 | PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n", |
8990e307 | 1392 | cx->sb_orig); |
146174a9 CB |
1393 | PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%"UVxf"\n", |
1394 | PTR2UV(cx->sb_dstr)); | |
1395 | PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%"UVxf"\n", | |
1396 | PTR2UV(cx->sb_targ)); | |
1397 | PerlIO_printf(Perl_debug_log, "SB_S = 0x%"UVxf"\n", | |
1398 | PTR2UV(cx->sb_s)); | |
1399 | PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n", | |
1400 | PTR2UV(cx->sb_m)); | |
1401 | PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%"UVxf"\n", | |
1402 | PTR2UV(cx->sb_strend)); | |
1403 | PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%"UVxf"\n", | |
1404 | PTR2UV(cx->sb_rxres)); | |
8990e307 LW |
1405 | break; |
1406 | } | |
65e66c80 | 1407 | #else |
96a5add6 | 1408 | PERL_UNUSED_CONTEXT; |
65e66c80 | 1409 | PERL_UNUSED_ARG(cx); |
17c3b450 | 1410 | #endif /* DEBUGGING */ |
35ff7856 | 1411 | } |
241d1a3b NC |
1412 | |
1413 | /* | |
1414 | * Local variables: | |
1415 | * c-indentation-style: bsd | |
1416 | * c-basic-offset: 4 | |
14d04a33 | 1417 | * indent-tabs-mode: nil |
241d1a3b NC |
1418 | * End: |
1419 | * | |
14d04a33 | 1420 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 1421 | */ |