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 | ||
6768377c DM |
34 | if (n < 0) |
35 | Perl_croak(aTHX_ | |
36 | "panic: stack_grow() negative count (%"IVdf")", (IV)n); | |
37 | ||
3280af22 | 38 | PL_stack_sp = sp; |
2ce36478 | 39 | #ifndef STRESS_REALLOC |
3280af22 | 40 | av_extend(PL_curstack, (p - PL_stack_base) + (n) + 128); |
2ce36478 | 41 | #else |
6b88bc9c | 42 | av_extend(PL_curstack, (p - PL_stack_base) + (n) + 1); |
2ce36478 | 43 | #endif |
3280af22 | 44 | return PL_stack_sp; |
a0d0e21e LW |
45 | } |
46 | ||
2ce36478 SM |
47 | #ifndef STRESS_REALLOC |
48 | #define GROW(old) ((old) * 3 / 2) | |
49 | #else | |
50 | #define GROW(old) ((old) + 1) | |
51 | #endif | |
52 | ||
e336de0d | 53 | PERL_SI * |
864dbfa3 | 54 | Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems) |
e336de0d GS |
55 | { |
56 | PERL_SI *si; | |
a02a5408 | 57 | Newx(si, 1, PERL_SI); |
e336de0d GS |
58 | si->si_stack = newAV(); |
59 | AvREAL_off(si->si_stack); | |
60 | av_extend(si->si_stack, stitems > 0 ? stitems-1 : 0); | |
3280af22 | 61 | AvALLOC(si->si_stack)[0] = &PL_sv_undef; |
e336de0d GS |
62 | AvFILLp(si->si_stack) = 0; |
63 | si->si_prev = 0; | |
64 | si->si_next = 0; | |
65 | si->si_cxmax = cxitems - 1; | |
66 | si->si_cxix = -1; | |
e788e7d3 | 67 | si->si_type = PERLSI_UNDEF; |
a02a5408 | 68 | Newx(si->si_cxstack, cxitems, PERL_CONTEXT); |
9965345d JH |
69 | /* Without any kind of initialising PUSHSUBST() |
70 | * in pp_subst() will read uninitialised heap. */ | |
7e337ee0 | 71 | PoisonNew(si->si_cxstack, cxitems, PERL_CONTEXT); |
e336de0d GS |
72 | return si; |
73 | } | |
74 | ||
79072805 | 75 | I32 |
864dbfa3 | 76 | Perl_cxinc(pTHX) |
79072805 | 77 | { |
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 | { |
5d9574c1 | 90 | if (UNLIKELY(PL_scopestack_ix == PL_scopestack_max)) { |
3280af22 NIS |
91 | PL_scopestack_max = GROW(PL_scopestack_max); |
92 | Renew(PL_scopestack, PL_scopestack_max, I32); | |
d343c3ef GG |
93 | #ifdef DEBUGGING |
94 | Renew(PL_scopestack_name, PL_scopestack_max, const char*); | |
520bb150 | 95 | #endif |
79072805 | 96 | } |
d343c3ef GG |
97 | #ifdef DEBUGGING |
98 | PL_scopestack_name[PL_scopestack_ix] = "unknown"; | |
99 | #endif | |
3280af22 | 100 | PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix; |
79072805 LW |
101 | |
102 | } | |
103 | ||
104 | void | |
864dbfa3 | 105 | Perl_pop_scope(pTHX) |
79072805 | 106 | { |
35a4481c | 107 | const I32 oldsave = PL_scopestack[--PL_scopestack_ix]; |
8990e307 | 108 | LEAVE_SCOPE(oldsave); |
79072805 LW |
109 | } |
110 | ||
ba5248fc | 111 | I32 * |
864dbfa3 | 112 | Perl_markstack_grow(pTHX) |
a0d0e21e | 113 | { |
35a4481c AL |
114 | const I32 oldmax = PL_markstack_max - PL_markstack; |
115 | const I32 newmax = GROW(oldmax); | |
a0d0e21e | 116 | |
3280af22 | 117 | Renew(PL_markstack, newmax, I32); |
3280af22 | 118 | PL_markstack_max = PL_markstack + newmax; |
ba5248fc DD |
119 | PL_markstack_ptr = PL_markstack + oldmax; |
120 | return PL_markstack_ptr; | |
a0d0e21e LW |
121 | } |
122 | ||
123 | void | |
864dbfa3 | 124 | Perl_savestack_grow(pTHX) |
79072805 | 125 | { |
8aacddc1 | 126 | PL_savestack_max = GROW(PL_savestack_max) + 4; |
3280af22 | 127 | Renew(PL_savestack, PL_savestack_max, ANY); |
79072805 LW |
128 | } |
129 | ||
4b3c1a47 AE |
130 | void |
131 | Perl_savestack_grow_cnt(pTHX_ I32 need) | |
132 | { | |
133 | PL_savestack_max = PL_savestack_ix + need; | |
134 | Renew(PL_savestack, PL_savestack_max, ANY); | |
135 | } | |
136 | ||
2ce36478 SM |
137 | #undef GROW |
138 | ||
a953aca5 DD |
139 | /* The original function was called Perl_tmps_grow and was removed from public |
140 | API, Perl_tmps_grow_p is the replacement and it used in public macros but | |
141 | isn't public itself. | |
142 | ||
143 | Perl_tmps_grow_p takes a proposed ix. A proposed ix is PL_tmps_ix + extend_by, | |
144 | where the result of (PL_tmps_ix + extend_by) is >= PL_tmps_max | |
145 | Upon return, PL_tmps_stack[ix] will be a valid address. For machine code | |
146 | optimization and register usage reasons, the proposed ix passed into | |
147 | tmps_grow is returned to the caller which the caller can then use to write | |
148 | an SV * to PL_tmps_stack[ix]. If the caller was using tmps_grow in | |
149 | pre-extend mode (EXTEND_MORTAL macro), then it ignores the return value of | |
150 | tmps_grow. Note, tmps_grow DOES NOT write ix to PL_tmps_ix, the caller | |
151 | must assign ix or ret val of tmps_grow to PL_temps_ix themselves if that is | |
152 | appropriate. The assignment to PL_temps_ix can happen before or after | |
153 | tmps_grow call since tmps_grow doesn't look at PL_tmps_ix. | |
154 | */ | |
155 | ||
156 | SSize_t | |
157 | Perl_tmps_grow_p(pTHX_ SSize_t ix) | |
677b06e3 | 158 | { |
a953aca5 | 159 | SSize_t extend_to = ix; |
677b06e3 | 160 | #ifndef STRESS_REALLOC |
a953aca5 DD |
161 | if (ix - PL_tmps_max < 128) |
162 | extend_to += (PL_tmps_max < 512) ? 128 : 512; | |
677b06e3 | 163 | #endif |
a953aca5 | 164 | PL_tmps_max = extend_to + 1; |
677b06e3 | 165 | Renew(PL_tmps_stack, PL_tmps_max, SV*); |
a953aca5 | 166 | return ix; |
677b06e3 GS |
167 | } |
168 | ||
169 | ||
170 | void | |
864dbfa3 | 171 | Perl_free_tmps(pTHX) |
79072805 LW |
172 | { |
173 | /* XXX should tmps_floor live in cxstack? */ | |
e8eb279c | 174 | const SSize_t myfloor = PL_tmps_floor; |
3280af22 | 175 | while (PL_tmps_ix > myfloor) { /* clean up after last statement */ |
22ade07d | 176 | SV* const sv = PL_tmps_stack[PL_tmps_ix--]; |
72581b5b VP |
177 | #ifdef PERL_POISON |
178 | PoisonWith(PL_tmps_stack + PL_tmps_ix + 1, 1, SV *, 0xAB); | |
22ade07d | 179 | #endif |
5d9574c1 | 180 | if (LIKELY(sv && sv != &PL_sv_undef)) { |
463ee0b2 | 181 | SvTEMP_off(sv); |
4a9a56a7 | 182 | SvREFCNT_dec_NN(sv); /* note, can modify tmps_ix!!! */ |
463ee0b2 | 183 | } |
79072805 LW |
184 | } |
185 | } | |
186 | ||
76e3520e | 187 | STATIC SV * |
af7df257 | 188 | S_save_scalar_at(pTHX_ SV **sptr, const U32 flags) |
79072805 | 189 | { |
75d34a09 | 190 | SV * osv; |
eb578fdb | 191 | SV *sv; |
79072805 | 192 | |
7918f24d NC |
193 | PERL_ARGS_ASSERT_SAVE_SCALAR_AT; |
194 | ||
75d34a09 VP |
195 | osv = *sptr; |
196 | sv = (flags & SAVEf_KEEPOLDELEM) ? osv : (*sptr = newSV(0)); | |
197 | ||
f1f99dc1 | 198 | if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv)) { |
a0d0e21e | 199 | if (SvGMAGICAL(osv)) { |
a0d0e21e | 200 | SvFLAGS(osv) |= (SvFLAGS(osv) & |
c268c2a6 | 201 | (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
a0d0e21e | 202 | } |
75d34a09 | 203 | if (!(flags & SAVEf_KEEPOLDELEM)) |
2dcac756 | 204 | mg_localize(osv, sv, cBOOL(flags & SAVEf_SETMAGIC)); |
79072805 | 205 | } |
75d34a09 | 206 | |
79072805 LW |
207 | return sv; |
208 | } | |
209 | ||
dfcd3de5 NC |
210 | void |
211 | Perl_save_pushptrptr(pTHX_ void *const ptr1, void *const ptr2, const int type) | |
e22024d3 | 212 | { |
a3444cc5 DM |
213 | dSS_ADD; |
214 | SS_ADD_PTR(ptr1); | |
215 | SS_ADD_PTR(ptr2); | |
216 | SS_ADD_UV(type); | |
217 | SS_ADD_END(3); | |
e22024d3 NC |
218 | } |
219 | ||
7a4c00b4 | 220 | SV * |
864dbfa3 | 221 | Perl_save_scalar(pTHX_ GV *gv) |
7a4c00b4 | 222 | { |
13c59d41 | 223 | SV ** const sptr = &GvSVn(gv); |
7918f24d NC |
224 | |
225 | PERL_ARGS_ASSERT_SAVE_SCALAR; | |
226 | ||
13c59d41 | 227 | if (UNLIKELY(SvGMAGICAL(*sptr))) { |
b492a59e | 228 | PL_localizing = 1; |
13c59d41 | 229 | (void)mg_get(*sptr); |
b492a59e DM |
230 | PL_localizing = 0; |
231 | } | |
13c59d41 MH |
232 | save_pushptrptr(SvREFCNT_inc_simple(gv), SvREFCNT_inc(*sptr), SAVEt_SV); |
233 | return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */ | |
7a4c00b4 | 234 | } |
235 | ||
f4dd75d9 | 236 | /* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to |
b9d12d37 GS |
237 | * restore a global SV to its prior contents, freeing new value. */ |
238 | void | |
864dbfa3 | 239 | Perl_save_generic_svref(pTHX_ SV **sptr) |
b9d12d37 | 240 | { |
7918f24d NC |
241 | PERL_ARGS_ASSERT_SAVE_GENERIC_SVREF; |
242 | ||
e22024d3 | 243 | save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_GENERIC_SVREF); |
b9d12d37 GS |
244 | } |
245 | ||
f4dd75d9 GS |
246 | /* Like save_pptr(), but also Safefree()s the new value if it is different |
247 | * from the old one. Can be used to restore a global char* to its prior | |
248 | * contents, freeing new value. */ | |
249 | void | |
250 | Perl_save_generic_pvref(pTHX_ char **str) | |
251 | { | |
7918f24d NC |
252 | PERL_ARGS_ASSERT_SAVE_GENERIC_PVREF; |
253 | ||
e22024d3 | 254 | save_pushptrptr(*str, str, SAVEt_GENERIC_PVREF); |
f4dd75d9 GS |
255 | } |
256 | ||
05ec9bb3 NIS |
257 | /* Like save_generic_pvref(), but uses PerlMemShared_free() rather than Safefree(). |
258 | * Can be used to restore a shared global char* to its prior | |
259 | * contents, freeing new value. */ | |
260 | void | |
261 | Perl_save_shared_pvref(pTHX_ char **str) | |
262 | { | |
7918f24d NC |
263 | PERL_ARGS_ASSERT_SAVE_SHARED_PVREF; |
264 | ||
e22024d3 | 265 | save_pushptrptr(str, *str, SAVEt_SHARED_PVREF); |
05ec9bb3 NIS |
266 | } |
267 | ||
14f338dc DM |
268 | /* set the SvFLAGS specified by mask to the values in val */ |
269 | ||
270 | void | |
271 | Perl_save_set_svflags(pTHX_ SV* sv, U32 mask, U32 val) | |
272 | { | |
a3444cc5 | 273 | dSS_ADD; |
7918f24d NC |
274 | |
275 | PERL_ARGS_ASSERT_SAVE_SET_SVFLAGS; | |
276 | ||
a3444cc5 DM |
277 | SS_ADD_PTR(sv); |
278 | SS_ADD_INT(mask); | |
279 | SS_ADD_INT(val); | |
280 | SS_ADD_UV(SAVEt_SET_SVFLAGS); | |
281 | SS_ADD_END(4); | |
14f338dc DM |
282 | } |
283 | ||
79072805 | 284 | void |
864dbfa3 | 285 | Perl_save_gp(pTHX_ GV *gv, I32 empty) |
79072805 | 286 | { |
7918f24d NC |
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 | { |
901017d6 | 319 | AV * const oav = GvAVn(gv); |
67a38de0 | 320 | AV *av; |
fb73857a | 321 | |
7918f24d NC |
322 | PERL_ARGS_ASSERT_SAVE_ARY; |
323 | ||
5d9574c1 | 324 | if (UNLIKELY(!AvREAL(oav) && AvREIFY(oav))) |
67a38de0 | 325 | av_reify(oav); |
01433346 | 326 | save_pushptrptr(SvREFCNT_inc_simple_NN(gv), oav, SAVEt_AV); |
79072805 | 327 | |
4608196e | 328 | GvAV(gv) = NULL; |
fb73857a | 329 | av = GvAVn(gv); |
5d9574c1 | 330 | if (UNLIKELY(SvMAGIC(oav))) |
9711599e | 331 | mg_localize(MUTABLE_SV(oav), MUTABLE_SV(av), TRUE); |
fb73857a | 332 | return av; |
79072805 LW |
333 | } |
334 | ||
335 | HV * | |
864dbfa3 | 336 | Perl_save_hash(pTHX_ GV *gv) |
79072805 | 337 | { |
fb73857a | 338 | HV *ohv, *hv; |
339 | ||
7918f24d NC |
340 | PERL_ARGS_ASSERT_SAVE_HASH; |
341 | ||
01433346 FC |
342 | save_pushptrptr( |
343 | SvREFCNT_inc_simple_NN(gv), (ohv = GvHVn(gv)), SAVEt_HV | |
344 | ); | |
79072805 | 345 | |
4608196e | 346 | GvHV(gv) = NULL; |
fb73857a | 347 | hv = GvHVn(gv); |
5d9574c1 | 348 | if (UNLIKELY(SvMAGIC(ohv))) |
9711599e | 349 | mg_localize(MUTABLE_SV(ohv), MUTABLE_SV(hv), TRUE); |
fb73857a | 350 | return hv; |
79072805 LW |
351 | } |
352 | ||
353 | void | |
5aaab254 | 354 | Perl_save_item(pTHX_ SV *item) |
79072805 | 355 | { |
eb578fdb | 356 | SV * const sv = newSVsv(item); |
79072805 | 357 | |
7918f24d NC |
358 | PERL_ARGS_ASSERT_SAVE_ITEM; |
359 | ||
e22024d3 NC |
360 | save_pushptrptr(item, /* remember the pointer */ |
361 | sv, /* remember the value */ | |
362 | SAVEt_ITEM); | |
79072805 LW |
363 | } |
364 | ||
365 | void | |
1409bc06 | 366 | Perl_save_bool(pTHX_ bool *boolp) |
79072805 | 367 | { |
a3444cc5 | 368 | dSS_ADD; |
7918f24d | 369 | |
1409bc06 | 370 | PERL_ARGS_ASSERT_SAVE_BOOL; |
7918f24d | 371 | |
a3444cc5 DM |
372 | SS_ADD_PTR(boolp); |
373 | SS_ADD_UV(SAVEt_BOOL | (*boolp << 8)); | |
374 | SS_ADD_END(2); | |
1409bc06 NC |
375 | } |
376 | ||
7623d426 NC |
377 | void |
378 | Perl_save_pushi32ptr(pTHX_ const I32 i, void *const ptr, const int type) | |
1409bc06 | 379 | { |
a3444cc5 DM |
380 | dSS_ADD; |
381 | ||
382 | SS_ADD_INT(i); | |
383 | SS_ADD_PTR(ptr); | |
384 | SS_ADD_UV(type); | |
385 | SS_ADD_END(3); | |
79072805 LW |
386 | } |
387 | ||
388 | void | |
1409bc06 | 389 | Perl_save_int(pTHX_ int *intp) |
9febdf04 | 390 | { |
d172696c | 391 | const int i = *intp; |
9b139d09 | 392 | UV type = ((UV)((UV)i << SAVE_TIGHT_SHIFT) | SAVEt_INT_SMALL); |
d172696c DM |
393 | int size = 2; |
394 | dSS_ADD; | |
7918f24d | 395 | |
1409bc06 | 396 | PERL_ARGS_ASSERT_SAVE_INT; |
7918f24d | 397 | |
5d9574c1 | 398 | if (UNLIKELY((int)(type >> SAVE_TIGHT_SHIFT) != i)) { |
d172696c DM |
399 | SS_ADD_INT(i); |
400 | type = SAVEt_INT; | |
401 | size++; | |
402 | } | |
403 | SS_ADD_PTR(intp); | |
404 | SS_ADD_UV(type); | |
405 | SS_ADD_END(size); | |
9febdf04 RH |
406 | } |
407 | ||
408 | void | |
58188858 RGS |
409 | Perl_save_I8(pTHX_ I8 *bytep) |
410 | { | |
a3444cc5 | 411 | dSS_ADD; |
7918f24d NC |
412 | |
413 | PERL_ARGS_ASSERT_SAVE_I8; | |
414 | ||
a3444cc5 DM |
415 | SS_ADD_PTR(bytep); |
416 | SS_ADD_UV(SAVEt_I8 | ((UV)*bytep << 8)); | |
417 | SS_ADD_END(2); | |
58188858 RGS |
418 | } |
419 | ||
420 | void | |
87a84751 JH |
421 | Perl_save_I16(pTHX_ I16 *intp) |
422 | { | |
a3444cc5 | 423 | dSS_ADD; |
7918f24d NC |
424 | |
425 | PERL_ARGS_ASSERT_SAVE_I16; | |
426 | ||
a3444cc5 DM |
427 | SS_ADD_PTR(intp); |
428 | SS_ADD_UV(SAVEt_I16 | ((UV)*intp << 8)); | |
429 | SS_ADD_END(2); | |
87a84751 JH |
430 | } |
431 | ||
432 | void | |
864dbfa3 | 433 | Perl_save_I32(pTHX_ I32 *intp) |
79072805 | 434 | { |
d172696c | 435 | const I32 i = *intp; |
9b139d09 | 436 | UV type = ((I32)((U32)i << SAVE_TIGHT_SHIFT) | SAVEt_I32_SMALL); |
d172696c DM |
437 | int size = 2; |
438 | dSS_ADD; | |
7918f24d NC |
439 | |
440 | PERL_ARGS_ASSERT_SAVE_I32; | |
441 | ||
5d9574c1 | 442 | if (UNLIKELY((I32)(type >> SAVE_TIGHT_SHIFT) != i)) { |
d172696c DM |
443 | SS_ADD_INT(i); |
444 | type = SAVEt_I32; | |
445 | size++; | |
446 | } | |
447 | SS_ADD_PTR(intp); | |
448 | SS_ADD_UV(type); | |
449 | SS_ADD_END(size); | |
79072805 LW |
450 | } |
451 | ||
e8eb279c FC |
452 | void |
453 | Perl_save_strlen(pTHX_ STRLEN *ptr) | |
454 | { | |
e8eb279c FC |
455 | dSS_ADD; |
456 | ||
457 | PERL_ARGS_ASSERT_SAVE_STRLEN; | |
458 | ||
459 | SS_ADD_IV(*ptr); | |
460 | SS_ADD_PTR(ptr); | |
461 | SS_ADD_UV(SAVEt_STRLEN); | |
462 | SS_ADD_END(3); | |
463 | } | |
464 | ||
85e6fe83 LW |
465 | /* Cannot use save_sptr() to store a char* since the SV** cast will |
466 | * force word-alignment and we'll miss the pointer. | |
467 | */ | |
468 | void | |
864dbfa3 | 469 | Perl_save_pptr(pTHX_ char **pptr) |
85e6fe83 | 470 | { |
7918f24d NC |
471 | PERL_ARGS_ASSERT_SAVE_PPTR; |
472 | ||
e22024d3 | 473 | save_pushptrptr(*pptr, pptr, SAVEt_PPTR); |
85e6fe83 LW |
474 | } |
475 | ||
79072805 | 476 | void |
146174a9 CB |
477 | Perl_save_vptr(pTHX_ void *ptr) |
478 | { | |
7918f24d NC |
479 | PERL_ARGS_ASSERT_SAVE_VPTR; |
480 | ||
e22024d3 | 481 | save_pushptrptr(*(char**)ptr, ptr, SAVEt_VPTR); |
146174a9 CB |
482 | } |
483 | ||
484 | void | |
864dbfa3 | 485 | Perl_save_sptr(pTHX_ SV **sptr) |
79072805 | 486 | { |
7918f24d NC |
487 | PERL_ARGS_ASSERT_SAVE_SPTR; |
488 | ||
e22024d3 | 489 | save_pushptrptr(*sptr, sptr, SAVEt_SPTR); |
79072805 LW |
490 | } |
491 | ||
c3564e5c | 492 | void |
09edbca0 | 493 | Perl_save_padsv_and_mortalize(pTHX_ PADOFFSET off) |
c3564e5c | 494 | { |
a3444cc5 DM |
495 | dSS_ADD; |
496 | ||
f3548bdc | 497 | ASSERT_CURPAD_ACTIVE("save_padsv"); |
a3444cc5 DM |
498 | SS_ADD_PTR(SvREFCNT_inc_simple_NN(PL_curpad[off])); |
499 | SS_ADD_PTR(PL_comppad); | |
03dba561 | 500 | SS_ADD_UV((UV)off); |
a3444cc5 DM |
501 | SS_ADD_UV(SAVEt_PADSV_AND_MORTALIZE); |
502 | SS_ADD_END(4); | |
c3564e5c GS |
503 | } |
504 | ||
79072805 | 505 | void |
864dbfa3 | 506 | Perl_save_hptr(pTHX_ HV **hptr) |
79072805 | 507 | { |
7918f24d NC |
508 | PERL_ARGS_ASSERT_SAVE_HPTR; |
509 | ||
e22024d3 | 510 | save_pushptrptr(*hptr, hptr, SAVEt_HPTR); |
79072805 LW |
511 | } |
512 | ||
513 | void | |
864dbfa3 | 514 | Perl_save_aptr(pTHX_ AV **aptr) |
79072805 | 515 | { |
7918f24d NC |
516 | PERL_ARGS_ASSERT_SAVE_APTR; |
517 | ||
e22024d3 | 518 | save_pushptrptr(*aptr, aptr, SAVEt_APTR); |
79072805 LW |
519 | } |
520 | ||
521 | void | |
2fd8beea | 522 | Perl_save_pushptr(pTHX_ void *const ptr, const int type) |
8990e307 | 523 | { |
a3444cc5 DM |
524 | dSS_ADD; |
525 | SS_ADD_PTR(ptr); | |
526 | SS_ADD_UV(type); | |
527 | SS_ADD_END(2); | |
8990e307 LW |
528 | } |
529 | ||
530 | void | |
864dbfa3 | 531 | Perl_save_clearsv(pTHX_ SV **svp) |
8990e307 | 532 | { |
cdcdfc56 NC |
533 | const UV offset = svp - PL_curpad; |
534 | const UV offset_shifted = offset << SAVE_TIGHT_SHIFT; | |
7918f24d NC |
535 | |
536 | PERL_ARGS_ASSERT_SAVE_CLEARSV; | |
537 | ||
f3548bdc | 538 | ASSERT_CURPAD_ACTIVE("save_clearsv"); |
623e28c6 | 539 | SvPADSTALE_off(*svp); /* mark lexical as active */ |
5d9574c1 | 540 | if (UNLIKELY((offset_shifted >> SAVE_TIGHT_SHIFT) != offset)) { |
cdcdfc56 NC |
541 | Perl_croak(aTHX_ "panic: pad offset %"UVuf" out of range (%p-%p)", |
542 | offset, svp, PL_curpad); | |
a3444cc5 | 543 | } |
cdcdfc56 | 544 | |
a3444cc5 DM |
545 | { |
546 | dSS_ADD; | |
547 | SS_ADD_UV(offset_shifted | SAVEt_CLEARSV); | |
548 | SS_ADD_END(1); | |
549 | } | |
8990e307 LW |
550 | } |
551 | ||
552 | void | |
864dbfa3 | 553 | Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen) |
8990e307 | 554 | { |
7918f24d NC |
555 | PERL_ARGS_ASSERT_SAVE_DELETE; |
556 | ||
85a721ca | 557 | save_pushptri32ptr(key, klen, SvREFCNT_inc_simple(hv), SAVEt_DELETE); |
8990e307 LW |
558 | } |
559 | ||
560 | void | |
af097752 VP |
561 | Perl_save_hdelete(pTHX_ HV *hv, SV *keysv) |
562 | { | |
563 | STRLEN len; | |
564 | I32 klen; | |
565 | const char *key; | |
566 | ||
567 | PERL_ARGS_ASSERT_SAVE_HDELETE; | |
568 | ||
569 | key = SvPV_const(keysv, len); | |
570 | klen = SvUTF8(keysv) ? -(I32)len : (I32)len; | |
571 | SvREFCNT_inc_simple_void_NN(hv); | |
572 | save_pushptri32ptr(savepvn(key, len), klen, hv, SAVEt_DELETE); | |
573 | } | |
574 | ||
575 | void | |
c70927a6 | 576 | Perl_save_adelete(pTHX_ AV *av, SSize_t key) |
c68ec7a9 | 577 | { |
c70927a6 | 578 | dSS_ADD; |
c68ec7a9 VP |
579 | |
580 | PERL_ARGS_ASSERT_SAVE_ADELETE; | |
581 | ||
582 | SvREFCNT_inc_void(av); | |
c70927a6 FC |
583 | SS_ADD_UV(key); |
584 | SS_ADD_PTR(av); | |
585 | SS_ADD_IV(SAVEt_ADELETE); | |
586 | SS_ADD_END(3); | |
c68ec7a9 VP |
587 | } |
588 | ||
589 | void | |
12ab1f58 JH |
590 | Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p) |
591 | { | |
a3444cc5 | 592 | dSS_ADD; |
7918f24d NC |
593 | PERL_ARGS_ASSERT_SAVE_DESTRUCTOR; |
594 | ||
a3444cc5 DM |
595 | SS_ADD_DPTR(f); |
596 | SS_ADD_PTR(p); | |
597 | SS_ADD_UV(SAVEt_DESTRUCTOR); | |
598 | SS_ADD_END(3); | |
12ab1f58 JH |
599 | } |
600 | ||
601 | void | |
146174a9 CB |
602 | Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p) |
603 | { | |
a3444cc5 DM |
604 | dSS_ADD; |
605 | ||
606 | SS_ADD_DXPTR(f); | |
607 | SS_ADD_PTR(p); | |
608 | SS_ADD_UV(SAVEt_DESTRUCTOR_X); | |
609 | SS_ADD_END(3); | |
146174a9 CB |
610 | } |
611 | ||
612 | void | |
da8315f8 NC |
613 | Perl_save_hints(pTHX) |
614 | { | |
20439bc7 | 615 | COPHH *save_cophh = cophh_copy(CopHINTHASH_get(&PL_compiling)); |
da8315f8 | 616 | if (PL_hints & HINT_LOCALIZE_HH) { |
52c7aca6 FC |
617 | HV *oldhh = GvHV(PL_hintgv); |
618 | save_pushptri32ptr(oldhh, PL_hints, save_cophh, SAVEt_HINTS); | |
619 | GvHV(PL_hintgv) = NULL; /* in case copying dies */ | |
620 | GvHV(PL_hintgv) = hv_copy_hints_hv(oldhh); | |
be84297e | 621 | } else { |
20439bc7 | 622 | save_pushi32ptr(PL_hints, save_cophh, SAVEt_HINTS); |
da8315f8 | 623 | } |
be84297e NC |
624 | } |
625 | ||
626 | static void | |
627 | S_save_pushptri32ptr(pTHX_ void *const ptr1, const I32 i, void *const ptr2, | |
628 | const int type) | |
629 | { | |
a3444cc5 DM |
630 | dSS_ADD; |
631 | SS_ADD_PTR(ptr1); | |
632 | SS_ADD_INT(i); | |
633 | SS_ADD_PTR(ptr2); | |
634 | SS_ADD_UV(type); | |
635 | SS_ADD_END(4); | |
da8315f8 NC |
636 | } |
637 | ||
638 | void | |
c70927a6 FC |
639 | Perl_save_aelem_flags(pTHX_ AV *av, SSize_t idx, SV **sptr, |
640 | const U32 flags) | |
4e4c362e | 641 | { |
20b7effb | 642 | dSS_ADD; |
bfc4de9f | 643 | SV *sv; |
7918f24d | 644 | |
91d1c79f | 645 | PERL_ARGS_ASSERT_SAVE_AELEM_FLAGS; |
7918f24d | 646 | |
0cbee0a4 | 647 | SvGETMAGIC(*sptr); |
c70927a6 FC |
648 | SS_ADD_PTR(SvREFCNT_inc_simple(av)); |
649 | SS_ADD_IV(idx); | |
650 | SS_ADD_PTR(SvREFCNT_inc(*sptr)); | |
651 | SS_ADD_UV(SAVEt_AELEM); | |
652 | SS_ADD_END(4); | |
1cdc9186 FC |
653 | /* The array needs to hold a reference count on its new element, so it |
654 | must be AvREAL. */ | |
5d9574c1 | 655 | if (UNLIKELY(!AvREAL(av) && AvREIFY(av))) |
1cdc9186 | 656 | av_reify(av); |
91d1c79f | 657 | save_scalar_at(sptr, flags); /* XXX - FIXME - see #60360 */ |
75d34a09 VP |
658 | if (flags & SAVEf_KEEPOLDELEM) |
659 | return; | |
bfc4de9f DM |
660 | sv = *sptr; |
661 | /* If we're localizing a tied array element, this new sv | |
662 | * won't actually be stored in the array - so it won't get | |
663 | * reaped when the localize ends. Ensure it gets reaped by | |
664 | * mortifying it instead. DAPM */ | |
5d9574c1 | 665 | if (UNLIKELY(SvTIED_mg((const SV *)av, PERL_MAGIC_tied))) |
bfc4de9f | 666 | sv_2mortal(sv); |
4e4c362e GS |
667 | } |
668 | ||
669 | void | |
af7df257 | 670 | Perl_save_helem_flags(pTHX_ HV *hv, SV *key, SV **sptr, const U32 flags) |
4e4c362e | 671 | { |
bfc4de9f | 672 | SV *sv; |
7918f24d | 673 | |
af7df257 | 674 | PERL_ARGS_ASSERT_SAVE_HELEM_FLAGS; |
7918f24d | 675 | |
0cbee0a4 | 676 | SvGETMAGIC(*sptr); |
a3444cc5 DM |
677 | { |
678 | dSS_ADD; | |
679 | SS_ADD_PTR(SvREFCNT_inc_simple(hv)); | |
680 | SS_ADD_PTR(newSVsv(key)); | |
681 | SS_ADD_PTR(SvREFCNT_inc(*sptr)); | |
682 | SS_ADD_UV(SAVEt_HELEM); | |
683 | SS_ADD_END(4); | |
684 | } | |
af7df257 | 685 | save_scalar_at(sptr, flags); |
75d34a09 VP |
686 | if (flags & SAVEf_KEEPOLDELEM) |
687 | return; | |
bfc4de9f DM |
688 | sv = *sptr; |
689 | /* If we're localizing a tied hash element, this new sv | |
690 | * won't actually be stored in the hash - so it won't get | |
691 | * reaped when the localize ends. Ensure it gets reaped by | |
692 | * mortifying it instead. DAPM */ | |
5d9574c1 | 693 | if (UNLIKELY(SvTIED_mg((const SV *)hv, PERL_MAGIC_tied))) |
bfc4de9f | 694 | sv_2mortal(sv); |
4e4c362e GS |
695 | } |
696 | ||
2053acbf NC |
697 | SV* |
698 | Perl_save_svref(pTHX_ SV **sptr) | |
699 | { | |
7918f24d NC |
700 | PERL_ARGS_ASSERT_SAVE_SVREF; |
701 | ||
2053acbf | 702 | SvGETMAGIC(*sptr); |
e22024d3 | 703 | save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_SVREF); |
af7df257 | 704 | return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */ |
2053acbf NC |
705 | } |
706 | ||
455ece5e | 707 | I32 |
864dbfa3 | 708 | Perl_save_alloc(pTHX_ I32 size, I32 pad) |
455ece5e | 709 | { |
eb578fdb KW |
710 | const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix] |
711 | - (char*)PL_savestack); | |
1be36ce0 NC |
712 | const UV elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack)); |
713 | const UV elems_shifted = elems << SAVE_TIGHT_SHIFT; | |
455ece5e | 714 | |
5d9574c1 | 715 | if (UNLIKELY((elems_shifted >> SAVE_TIGHT_SHIFT) != elems)) |
93a641ae DM |
716 | Perl_croak(aTHX_ |
717 | "panic: save_alloc elems %"UVuf" out of range (%"IVdf"-%"IVdf")", | |
718 | elems, (IV)size, (IV)pad); | |
1be36ce0 NC |
719 | |
720 | SSGROW(elems + 1); | |
455ece5e AD |
721 | |
722 | PL_savestack_ix += elems; | |
1be36ce0 | 723 | SSPUSHUV(SAVEt_ALLOC | elems_shifted); |
455ece5e AD |
724 | return start; |
725 | } | |
726 | ||
03dba561 DM |
727 | |
728 | ||
729 | #define ARG0_SV MUTABLE_SV(arg0.any_ptr) | |
730 | #define ARG0_AV MUTABLE_AV(arg0.any_ptr) | |
731 | #define ARG0_HV MUTABLE_HV(arg0.any_ptr) | |
732 | #define ARG0_PTR arg0.any_ptr | |
733 | #define ARG0_PV (char*)(arg0.any_ptr) | |
734 | #define ARG0_PVP (char**)(arg0.any_ptr) | |
735 | #define ARG0_I32 (arg0.any_i32) | |
736 | ||
737 | #define ARG1_SV MUTABLE_SV(arg1.any_ptr) | |
738 | #define ARG1_AV MUTABLE_AV(arg1.any_ptr) | |
739 | #define ARG1_GV MUTABLE_GV(arg1.any_ptr) | |
740 | #define ARG1_SVP (SV**)(arg1.any_ptr) | |
741 | #define ARG1_PVP (char**)(arg1.any_ptr) | |
742 | #define ARG1_PTR arg1.any_ptr | |
743 | #define ARG1_PV (char*)(arg1.any_ptr) | |
744 | #define ARG1_I32 (arg1.any_i32) | |
745 | ||
746 | #define ARG2_SV MUTABLE_SV(arg2.any_ptr) | |
747 | #define ARG2_AV MUTABLE_AV(arg2.any_ptr) | |
748 | #define ARG2_HV MUTABLE_HV(arg2.any_ptr) | |
749 | #define ARG2_GV MUTABLE_GV(arg2.any_ptr) | |
750 | #define ARG2_PV (char*)(arg2.any_ptr) | |
751 | ||
462e5cf6 | 752 | void |
864dbfa3 | 753 | Perl_leave_scope(pTHX_ I32 base) |
79072805 | 754 | { |
302c0c93 | 755 | /* Localise the effects of the TAINT_NOT inside the loop. */ |
284167a5 | 756 | bool was = TAINT_get; |
79072805 | 757 | |
51418c6a JH |
758 | I32 i; |
759 | SV *sv; | |
760 | ||
03dba561 DM |
761 | ANY arg0, arg1, arg2; |
762 | ||
763 | /* these initialisations are logically unnecessary, but they shut up | |
764 | * spurious 'may be used uninitialized' compiler warnings */ | |
765 | arg0.any_ptr = NULL; | |
766 | arg1.any_ptr = NULL; | |
767 | arg2.any_ptr = NULL; | |
768 | ||
5d9574c1 | 769 | if (UNLIKELY(base < -1)) |
5637ef5b | 770 | Perl_croak(aTHX_ "panic: corrupt saved stack index %ld", (long) base); |
1c98cc53 DM |
771 | DEBUG_l(Perl_deb(aTHX_ "savestack: releasing items %ld -> %ld\n", |
772 | (long)PL_savestack_ix, (long)base)); | |
3280af22 | 773 | while (PL_savestack_ix > base) { |
03dba561 DM |
774 | UV uv; |
775 | U8 type; | |
776 | ||
777 | SV *refsv; | |
778 | SV **svp; | |
779 | ||
c6ae7647 NC |
780 | TAINT_NOT; |
781 | ||
03dba561 DM |
782 | { |
783 | I32 ix = PL_savestack_ix - 1; | |
784 | ANY *p = &PL_savestack[ix]; | |
785 | uv = p->any_uv; | |
786 | type = (U8)uv & SAVE_MASK; | |
787 | if (type > SAVEt_ARG0_MAX) { | |
788 | ANY *p0 = p; | |
789 | arg0 = *--p; | |
790 | if (type > SAVEt_ARG1_MAX) { | |
791 | arg1 = *--p; | |
792 | if (type > SAVEt_ARG2_MAX) { | |
793 | arg2 = *--p; | |
794 | } | |
795 | } | |
796 | ix -= (p0 - p); | |
797 | } | |
798 | PL_savestack_ix = ix; | |
799 | } | |
800 | ||
c6bf6a65 | 801 | switch (type) { |
79072805 | 802 | case SAVEt_ITEM: /* normal string */ |
03dba561 | 803 | sv_replace(ARG1_SV, ARG0_SV); |
5d9574c1 | 804 | if (UNLIKELY(SvSMAGICAL(ARG1_SV))) { |
b492a59e DM |
805 | PL_localizing = 2; |
806 | mg_set(ARG1_SV); | |
807 | PL_localizing = 0; | |
808 | } | |
79072805 | 809 | break; |
03dba561 DM |
810 | |
811 | /* This would be a mathom, but Perl_save_svref() calls a static | |
812 | function, S_save_scalar_at(), so has to stay in this file. */ | |
813 | case SAVEt_SVREF: /* scalar reference */ | |
814 | svp = ARG1_SVP; | |
815 | refsv = NULL; /* what to refcnt_dec */ | |
816 | goto restore_sv; | |
817 | ||
8aacddc1 | 818 | case SAVEt_SV: /* scalar reference */ |
03dba561 DM |
819 | svp = &GvSV(ARG1_GV); |
820 | refsv = ARG1_SV; /* what to refcnt_dec */ | |
2053acbf | 821 | restore_sv: |
03dba561 DM |
822 | { |
823 | SV * const sv = *svp; | |
824 | *svp = ARG0_SV; | |
2053acbf | 825 | SvREFCNT_dec(sv); |
5d9574c1 | 826 | if (UNLIKELY(SvSMAGICAL(ARG0_SV))) { |
b492a59e DM |
827 | PL_localizing = 2; |
828 | mg_set(ARG0_SV); | |
829 | PL_localizing = 0; | |
830 | } | |
4a9a56a7 | 831 | SvREFCNT_dec_NN(ARG0_SV); |
03dba561 | 832 | SvREFCNT_dec(refsv); |
2053acbf | 833 | break; |
03dba561 | 834 | } |
8aacddc1 | 835 | case SAVEt_GENERIC_PVREF: /* generic pv */ |
03dba561 DM |
836 | if (*ARG0_PVP != ARG1_PV) { |
837 | Safefree(*ARG0_PVP); | |
838 | *ARG0_PVP = ARG1_PV; | |
f4dd75d9 GS |
839 | } |
840 | break; | |
05ec9bb3 | 841 | case SAVEt_SHARED_PVREF: /* shared pv */ |
03dba561 | 842 | if (*ARG1_PVP != ARG0_PV) { |
5e54c26f | 843 | #ifdef NETWARE |
03dba561 | 844 | PerlMem_free(*ARG1_PVP); |
5e54c26f | 845 | #else |
03dba561 | 846 | PerlMemShared_free(*ARG1_PVP); |
5e54c26f | 847 | #endif |
03dba561 | 848 | *ARG1_PVP = ARG0_PV; |
05ec9bb3 NIS |
849 | } |
850 | break; | |
f83b46a0 | 851 | case SAVEt_GVSV: /* scalar slot in GV */ |
03dba561 | 852 | svp = &GvSV(ARG1_GV); |
f83b46a0 | 853 | goto restore_svp; |
8aacddc1 | 854 | case SAVEt_GENERIC_SVREF: /* generic sv */ |
03dba561 | 855 | svp = ARG1_SVP; |
f83b46a0 | 856 | restore_svp: |
03dba561 DM |
857 | { |
858 | SV * const sv = *svp; | |
859 | *svp = ARG0_SV; | |
f4dd75d9 | 860 | SvREFCNT_dec(sv); |
03dba561 | 861 | SvREFCNT_dec(ARG0_SV); |
b9d12d37 | 862 | break; |
03dba561 | 863 | } |
db9306af | 864 | case SAVEt_GVSLOT: /* any slot in GV */ |
03dba561 DM |
865 | { |
866 | HV *const hv = GvSTASH(ARG2_GV); | |
867 | svp = ARG1_SVP; | |
db9306af | 868 | if (hv && HvENAME(hv) && ( |
03dba561 DM |
869 | (ARG0_SV && SvTYPE(ARG0_SV) == SVt_PVCV) |
870 | || (*svp && SvTYPE(*svp) == SVt_PVCV) | |
db9306af FC |
871 | )) |
872 | { | |
03dba561 DM |
873 | if ((char *)svp < (char *)GvGP(ARG2_GV) |
874 | || (char *)svp > (char *)GvGP(ARG2_GV) + sizeof(struct gp) | |
a3d47e0d | 875 | || GvREFCNT(ARG2_GV) > 2) /* "> 2" to ignore savestack's ref */ |
db9306af FC |
876 | PL_sub_generation++; |
877 | else mro_method_changed_in(hv); | |
878 | } | |
879 | goto restore_svp; | |
03dba561 | 880 | } |
8aacddc1 | 881 | case SAVEt_AV: /* array reference */ |
03dba561 DM |
882 | SvREFCNT_dec(GvAV(ARG1_GV)); |
883 | GvAV(ARG1_GV) = ARG0_AV; | |
5d9574c1 | 884 | if (UNLIKELY(SvSMAGICAL(ARG0_SV))) { |
b492a59e DM |
885 | PL_localizing = 2; |
886 | mg_set(ARG0_SV); | |
887 | PL_localizing = 0; | |
888 | } | |
4a9a56a7 | 889 | SvREFCNT_dec_NN(ARG1_GV); |
8aacddc1 NIS |
890 | break; |
891 | case SAVEt_HV: /* hash reference */ | |
03dba561 DM |
892 | SvREFCNT_dec(GvHV(ARG1_GV)); |
893 | GvHV(ARG1_GV) = ARG0_HV; | |
5d9574c1 | 894 | if (UNLIKELY(SvSMAGICAL(ARG0_SV))) { |
b492a59e DM |
895 | PL_localizing = 2; |
896 | mg_set(ARG0_SV); | |
897 | PL_localizing = 0; | |
898 | } | |
4a9a56a7 | 899 | SvREFCNT_dec_NN(ARG1_GV); |
8aacddc1 | 900 | break; |
994d373a | 901 | case SAVEt_INT_SMALL: |
03dba561 | 902 | *(int*)ARG0_PTR = (int)(uv >> SAVE_TIGHT_SHIFT); |
994d373a | 903 | break; |
79072805 | 904 | case SAVEt_INT: /* int reference */ |
03dba561 | 905 | *(int*)ARG0_PTR = (int)ARG1_I32; |
79072805 | 906 | break; |
e8eb279c FC |
907 | case SAVEt_STRLEN: /* STRLEN/size_t ref */ |
908 | *(STRLEN*)ARG0_PTR = (STRLEN)arg1.any_iv; | |
909 | break; | |
9febdf04 | 910 | case SAVEt_BOOL: /* bool reference */ |
03dba561 | 911 | *(bool*)ARG0_PTR = cBOOL(uv >> 8); |
9a9b5ec9 DM |
912 | #ifdef NO_TAINT_SUPPORT |
913 | PERL_UNUSED_VAR(was); | |
914 | #else | |
5d9574c1 | 915 | if (UNLIKELY(ARG0_PTR == &(TAINT_get))) { |
b6f93e7a KW |
916 | /* If we don't update <was>, to reflect what was saved on the |
917 | * stack for PL_tainted, then we will overwrite this attempt to | |
918 | * restore it when we exit this routine. Note that this won't | |
919 | * work if this value was saved in a wider-than necessary type, | |
920 | * such as I32 */ | |
03dba561 | 921 | was = *(bool*)ARG0_PTR; |
b6f93e7a | 922 | } |
284167a5 | 923 | #endif |
9febdf04 | 924 | break; |
89abef21 | 925 | case SAVEt_I32_SMALL: |
03dba561 | 926 | *(I32*)ARG0_PTR = (I32)(uv >> SAVE_TIGHT_SHIFT); |
89abef21 | 927 | break; |
79072805 | 928 | case SAVEt_I32: /* I32 reference */ |
3235b7a3 | 929 | #ifdef PERL_DEBUG_READONLY_OPS |
03dba561 | 930 | if (*(I32*)ARG0_PTR != ARG1_I32) |
3235b7a3 | 931 | #endif |
03dba561 | 932 | *(I32*)ARG0_PTR = ARG1_I32; |
79072805 LW |
933 | break; |
934 | case SAVEt_SPTR: /* SV* reference */ | |
03dba561 | 935 | *(SV**)(ARG0_PTR)= ARG1_SV; |
79072805 | 936 | break; |
146174a9 | 937 | case SAVEt_VPTR: /* random* reference */ |
85e6fe83 | 938 | case SAVEt_PPTR: /* char* reference */ |
03dba561 | 939 | *ARG0_PVP = ARG1_PV; |
85e6fe83 | 940 | break; |
79072805 | 941 | case SAVEt_HPTR: /* HV* reference */ |
03dba561 | 942 | *(HV**)ARG0_PTR = MUTABLE_HV(ARG1_PTR); |
79072805 LW |
943 | break; |
944 | case SAVEt_APTR: /* AV* reference */ | |
03dba561 | 945 | *(AV**)ARG0_PTR = ARG1_AV; |
79072805 | 946 | break; |
fb73857a | 947 | case SAVEt_GP: /* scalar reference */ |
03dba561 DM |
948 | { |
949 | HV *hv; | |
950 | /* possibly taking a method out of circulation */ | |
951 | const bool had_method = !!GvCVu(ARG1_GV); | |
952 | gp_free(ARG1_GV); | |
953 | GvGP_set(ARG1_GV, (GP*)ARG0_PTR); | |
954 | if ((hv=GvSTASH(ARG1_GV)) && HvENAME_get(hv)) { | |
955 | if ( GvNAMELEN(ARG1_GV) == 3 | |
956 | && strnEQ(GvNAME(ARG1_GV), "ISA", 3) | |
957 | ) | |
958 | mro_isa_changed_in(hv); | |
959 | else if (had_method || GvCVu(ARG1_GV)) | |
960 | /* putting a method back into circulation ("local")*/ | |
961 | gv_method_changed(ARG1_GV); | |
3d460042 | 962 | } |
4a9a56a7 | 963 | SvREFCNT_dec_NN(ARG1_GV); |
8aacddc1 | 964 | break; |
03dba561 | 965 | } |
8990e307 | 966 | case SAVEt_FREESV: |
03dba561 | 967 | SvREFCNT_dec(ARG0_SV); |
8990e307 | 968 | break; |
0f94cb1f FC |
969 | case SAVEt_FREEPADNAME: |
970 | PadnameREFCNT_dec((PADNAME *)ARG0_PTR); | |
971 | break; | |
3987a177 | 972 | case SAVEt_FREECOPHH: |
03dba561 | 973 | cophh_free((COPHH *)ARG0_PTR); |
3987a177 | 974 | break; |
26d9b02f | 975 | case SAVEt_MORTALIZESV: |
03dba561 | 976 | sv_2mortal(ARG0_SV); |
26d9b02f | 977 | break; |
8990e307 | 978 | case SAVEt_FREEOP: |
5e5ba94b | 979 | ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); |
03dba561 | 980 | op_free((OP*)ARG0_PTR); |
8990e307 LW |
981 | break; |
982 | case SAVEt_FREEPV: | |
03dba561 | 983 | Safefree(ARG0_PTR); |
8990e307 | 984 | break; |
4e09461c | 985 | |
4e09461c DM |
986 | case SAVEt_CLEARPADRANGE: |
987 | i = (I32)((uv >> SAVE_TIGHT_SHIFT) & OPpPADRANGE_COUNTMASK); | |
988 | svp = &PL_curpad[uv >> | |
989 | (OPpPADRANGE_COUNTSHIFT + SAVE_TIGHT_SHIFT)] + i - 1; | |
990 | goto clearsv; | |
8990e307 | 991 | case SAVEt_CLEARSV: |
4e09461c DM |
992 | svp = &PL_curpad[uv >> SAVE_TIGHT_SHIFT]; |
993 | i = 1; | |
994 | clearsv: | |
995 | for (; i; i--, svp--) { | |
528ad060 DM |
996 | sv = *svp; |
997 | ||
998 | DEBUG_Xv(PerlIO_printf(Perl_debug_log, | |
999 | "Pad 0x%"UVxf"[0x%"UVxf"] clearsv: %ld sv=0x%"UVxf"<%"IVdf"> %s\n", | |
1000 | PTR2UV(PL_comppad), PTR2UV(PL_curpad), | |
1001 | (long)(svp-PL_curpad), PTR2UV(sv), (IV)SvREFCNT(sv), | |
1002 | (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon" | |
1003 | )); | |
1004 | ||
1005 | /* Can clear pad variable in place? */ | |
9af15990 | 1006 | if (SvREFCNT(sv) == 1 && !SvOBJECT(sv)) { |
a07f0bef | 1007 | |
a07f0bef DM |
1008 | /* these flags are the union of all the relevant flags |
1009 | * in the individual conditions within */ | |
1010 | if (UNLIKELY(SvFLAGS(sv) & ( | |
a623f893 | 1011 | SVf_READONLY|SVf_PROTECT /*for SvREADONLY_off*/ |
a07f0bef | 1012 | | (SVs_GMG|SVs_SMG|SVs_RMG) /* SvMAGICAL() */ |
7532eaae | 1013 | | SVf_OOK |
a07f0bef DM |
1014 | | SVf_THINKFIRST))) |
1015 | { | |
7500fc82 DM |
1016 | /* if a my variable that was made readonly is |
1017 | * going out of scope, we want to remove the | |
1018 | * readonlyness so that it can go out of scope | |
1019 | * quietly | |
1020 | */ | |
57c404c9 | 1021 | if (SvREADONLY(sv)) |
7500fc82 DM |
1022 | SvREADONLY_off(sv); |
1023 | ||
7532eaae DM |
1024 | if (SvOOK(sv)) { /* OOK or HvAUX */ |
1025 | if (SvTYPE(sv) == SVt_PVHV) | |
1026 | Perl_hv_kill_backrefs(aTHX_ MUTABLE_HV(sv)); | |
1027 | else | |
1028 | sv_backoff(sv); | |
1029 | } | |
1030 | ||
7500fc82 | 1031 | if (SvMAGICAL(sv)) { |
7532eaae DM |
1032 | /* note that backrefs (either in HvAUX or magic) |
1033 | * must be removed before other magic */ | |
7500fc82 DM |
1034 | sv_unmagic(sv, PERL_MAGIC_backref); |
1035 | if (SvTYPE(sv) != SVt_PVCV) | |
1036 | mg_free(sv); | |
1037 | } | |
1038 | if (SvTHINKFIRST(sv)) | |
1039 | sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF | |
1040 | |SV_COW_DROP_PV); | |
528ad060 | 1041 | |
a07f0bef | 1042 | } |
528ad060 DM |
1043 | switch (SvTYPE(sv)) { |
1044 | case SVt_NULL: | |
1045 | break; | |
1046 | case SVt_PVAV: | |
1047 | av_clear(MUTABLE_AV(sv)); | |
1048 | break; | |
1049 | case SVt_PVHV: | |
1050 | hv_clear(MUTABLE_HV(sv)); | |
1051 | break; | |
1052 | case SVt_PVCV: | |
1053 | { | |
db5cc3ee | 1054 | HEK *hek = |
db5cc3ee | 1055 | CvNAMED(sv) |
9c98a81f FC |
1056 | ? CvNAME_HEK((CV *)sv) |
1057 | : GvNAME_HEK(CvGV(sv)); | |
528ad060 | 1058 | assert(hek); |
6110d17a | 1059 | (void)share_hek_hek(hek); |
528ad060 DM |
1060 | cv_undef((CV *)sv); |
1061 | CvNAME_HEK_set(sv, hek); | |
f3feca7a | 1062 | CvLEXICAL_on(sv); |
528ad060 DM |
1063 | break; |
1064 | } | |
1065 | default: | |
c79d0076 NC |
1066 | /* This looks odd, but these two macros are for use in |
1067 | expressions and finish with a trailing comma, so | |
1068 | adding a ; after them would be wrong. */ | |
1069 | assert_not_ROK(sv) | |
1070 | assert_not_glob(sv) | |
5c85b638 | 1071 | SvFLAGS(sv) &=~ (SVf_OK|SVf_IVisUV|SVf_UTF8); |
528ad060 DM |
1072 | break; |
1073 | } | |
82e85a9c | 1074 | SvPADTMP_off(sv); |
528ad060 DM |
1075 | SvPADSTALE_on(sv); /* mark as no longer live */ |
1076 | } | |
1077 | else { /* Someone has a claim on this, so abandon it. */ | |
528ad060 DM |
1078 | switch (SvTYPE(sv)) { /* Console ourselves with a new value */ |
1079 | case SVt_PVAV: *svp = MUTABLE_SV(newAV()); break; | |
1080 | case SVt_PVHV: *svp = MUTABLE_SV(newHV()); break; | |
1081 | case SVt_PVCV: | |
1082 | { | |
9c98a81f FC |
1083 | HEK * const hek = CvNAMED(sv) |
1084 | ? CvNAME_HEK((CV *)sv) | |
1085 | : GvNAME_HEK(CvGV(sv)); | |
1086 | ||
528ad060 DM |
1087 | /* Create a stub */ |
1088 | *svp = newSV_type(SVt_PVCV); | |
1089 | ||
1090 | /* Share name */ | |
528ad060 | 1091 | CvNAME_HEK_set(*svp, |
9c98a81f | 1092 | share_hek_hek(hek)); |
f3feca7a | 1093 | CvLEXICAL_on(*svp); |
528ad060 DM |
1094 | break; |
1095 | } | |
1096 | default: *svp = newSV(0); break; | |
1097 | } | |
4a9a56a7 | 1098 | SvREFCNT_dec_NN(sv); /* Cast current value to the winds. */ |
528ad060 DM |
1099 | /* preserve pad nature, but also mark as not live |
1100 | * for any closure capturing */ | |
145bf8ee | 1101 | SvFLAGS(*svp) |= SVs_PADSTALE; |
528ad060 | 1102 | } |
4e09461c | 1103 | } |
8990e307 LW |
1104 | break; |
1105 | case SAVEt_DELETE: | |
03dba561 DM |
1106 | (void)hv_delete(ARG0_HV, ARG2_PV, ARG1_I32, G_DISCARD); |
1107 | SvREFCNT_dec(ARG0_HV); | |
1108 | Safefree(arg2.any_ptr); | |
8990e307 | 1109 | break; |
c68ec7a9 | 1110 | case SAVEt_ADELETE: |
c70927a6 | 1111 | (void)av_delete(ARG0_AV, arg1.any_iv, G_DISCARD); |
03dba561 | 1112 | SvREFCNT_dec(ARG0_AV); |
c68ec7a9 | 1113 | break; |
146174a9 | 1114 | case SAVEt_DESTRUCTOR_X: |
03dba561 | 1115 | (*arg1.any_dxptr)(aTHX_ ARG0_PTR); |
a0d0e21e LW |
1116 | break; |
1117 | case SAVEt_REGCONTEXT: | |
e0fa7e2b | 1118 | /* regexp must have croaked */ |
455ece5e | 1119 | case SAVEt_ALLOC: |
1be36ce0 | 1120 | PL_savestack_ix -= uv >> SAVE_TIGHT_SHIFT; |
a0d0e21e | 1121 | break; |
55497cff | 1122 | case SAVEt_STACK_POS: /* Position on Perl stack */ |
03dba561 | 1123 | PL_stack_sp = PL_stack_base + arg0.any_i32; |
55497cff | 1124 | break; |
161b7d16 | 1125 | case SAVEt_AELEM: /* array element */ |
c70927a6 | 1126 | svp = av_fetch(ARG2_AV, arg1.any_iv, 1); |
5d9574c1 | 1127 | if (UNLIKELY(!AvREAL(ARG2_AV) && AvREIFY(ARG2_AV))) /* undo reify guard */ |
03dba561 | 1128 | SvREFCNT_dec(ARG0_SV); |
5d9574c1 | 1129 | if (LIKELY(svp)) { |
03dba561 | 1130 | SV * const sv = *svp; |
5d9574c1 DM |
1131 | if (LIKELY(sv && sv != &PL_sv_undef)) { |
1132 | if (UNLIKELY(SvTIED_mg((const SV *)ARG2_AV, PERL_MAGIC_tied))) | |
b37c2d43 | 1133 | SvREFCNT_inc_void_NN(sv); |
03dba561 | 1134 | refsv = ARG2_SV; |
4e4c362e GS |
1135 | goto restore_sv; |
1136 | } | |
1137 | } | |
03dba561 DM |
1138 | SvREFCNT_dec(ARG2_AV); |
1139 | SvREFCNT_dec(ARG0_SV); | |
4e4c362e | 1140 | break; |
161b7d16 | 1141 | case SAVEt_HELEM: /* hash element */ |
03dba561 DM |
1142 | { |
1143 | HE * const he = hv_fetch_ent(ARG2_HV, ARG1_SV, 1, 0); | |
1144 | SvREFCNT_dec(ARG1_SV); | |
5d9574c1 | 1145 | if (LIKELY(he)) { |
03dba561 | 1146 | const SV * const oval = HeVAL(he); |
5d9574c1 | 1147 | if (LIKELY(oval && oval != &PL_sv_undef)) { |
03dba561 | 1148 | svp = &HeVAL(he); |
5d9574c1 | 1149 | if (UNLIKELY(SvTIED_mg((const SV *)ARG2_HV, PERL_MAGIC_tied))) |
03dba561 DM |
1150 | SvREFCNT_inc_void(*svp); |
1151 | refsv = ARG2_SV; /* what to refcnt_dec */ | |
4e4c362e GS |
1152 | goto restore_sv; |
1153 | } | |
1154 | } | |
03dba561 DM |
1155 | SvREFCNT_dec(ARG2_HV); |
1156 | SvREFCNT_dec(ARG0_SV); | |
4e4c362e | 1157 | break; |
03dba561 | 1158 | } |
462e5cf6 | 1159 | case SAVEt_OP: |
03dba561 | 1160 | PL_op = (OP*)ARG0_PTR; |
462e5cf6 | 1161 | break; |
25eaa213 | 1162 | case SAVEt_HINTS: |
3607ca02 FC |
1163 | if ((PL_hints & HINT_LOCALIZE_HH)) { |
1164 | while (GvHV(PL_hintgv)) { | |
2653c1e3 | 1165 | HV *hv = GvHV(PL_hintgv); |
045ac317 | 1166 | GvHV(PL_hintgv) = NULL; |
2653c1e3 | 1167 | SvREFCNT_dec(MUTABLE_SV(hv)); |
3607ca02 | 1168 | } |
045ac317 | 1169 | } |
20439bc7 | 1170 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
03dba561 DM |
1171 | CopHINTHASH_set(&PL_compiling, (COPHH*)ARG0_PTR); |
1172 | *(I32*)&PL_hints = ARG1_I32; | |
dfa41748 | 1173 | if (PL_hints & HINT_LOCALIZE_HH) { |
ad64d0ec | 1174 | SvREFCNT_dec(MUTABLE_SV(GvHV(PL_hintgv))); |
85fbaab2 | 1175 | GvHV(PL_hintgv) = MUTABLE_HV(SSPOPPTR); |
2653c1e3 DM |
1176 | } |
1177 | if (!GvHV(PL_hintgv)) { | |
a3fb8386 FC |
1178 | /* Need to add a new one manually, else rv2hv can |
1179 | add one via GvHVn and it won't have the magic set. */ | |
5b9c0671 NC |
1180 | HV *const hv = newHV(); |
1181 | hv_magic(hv, NULL, PERL_MAGIC_hints); | |
1182 | GvHV(PL_hintgv) = hv; | |
dfa41748 | 1183 | } |
5b9c0671 | 1184 | assert(GvHV(PL_hintgv)); |
b3ac6de7 | 1185 | break; |
cb50131a | 1186 | case SAVEt_COMPPAD: |
03dba561 | 1187 | PL_comppad = (PAD*)ARG0_PTR; |
5d9574c1 | 1188 | if (LIKELY(PL_comppad)) |
cb50131a CB |
1189 | PL_curpad = AvARRAY(PL_comppad); |
1190 | else | |
4608196e | 1191 | PL_curpad = NULL; |
cb50131a | 1192 | break; |
09edbca0 | 1193 | case SAVEt_PADSV_AND_MORTALIZE: |
c3564e5c | 1194 | { |
09edbca0 | 1195 | SV **svp; |
03dba561 DM |
1196 | assert (ARG1_PTR); |
1197 | svp = AvARRAY((PAD*)ARG1_PTR) + (PADOFFSET)arg0.any_uv; | |
09edbca0 NC |
1198 | /* This mortalizing used to be done by POPLOOP() via itersave. |
1199 | But as we have all the information here, we can do it here, | |
1200 | save even having to have itersave in the struct. */ | |
1201 | sv_2mortal(*svp); | |
03dba561 | 1202 | *svp = ARG2_SV; |
c3564e5c GS |
1203 | } |
1204 | break; | |
8b7059b1 DM |
1205 | case SAVEt_SAVESWITCHSTACK: |
1206 | { | |
1207 | dSP; | |
03dba561 DM |
1208 | SWITCHSTACK(ARG0_AV, ARG1_AV); |
1209 | PL_curstackinfo->si_stack = ARG1_AV; | |
8b7059b1 DM |
1210 | } |
1211 | break; | |
14f338dc | 1212 | case SAVEt_SET_SVFLAGS: |
03dba561 DM |
1213 | SvFLAGS(ARG2_SV) &= ~((U32)ARG1_I32); |
1214 | SvFLAGS(ARG2_SV) |= (U32)ARG0_I32; | |
14f338dc | 1215 | break; |
95e06916 | 1216 | |
95e06916 NC |
1217 | /* These are only saved in mathoms.c */ |
1218 | case SAVEt_NSTAB: | |
03dba561 | 1219 | (void)sv_clear(ARG0_SV); |
95e06916 | 1220 | break; |
2053acbf | 1221 | case SAVEt_LONG: /* long reference */ |
03dba561 | 1222 | *(long*)ARG0_PTR = arg1.any_long; |
2053acbf | 1223 | break; |
95e06916 | 1224 | case SAVEt_IV: /* IV reference */ |
03dba561 | 1225 | *(IV*)ARG0_PTR = arg1.any_iv; |
95e06916 NC |
1226 | break; |
1227 | ||
2053acbf | 1228 | case SAVEt_I16: /* I16 reference */ |
03dba561 | 1229 | *(I16*)ARG0_PTR = (I16)(uv >> 8); |
2053acbf NC |
1230 | break; |
1231 | case SAVEt_I8: /* I8 reference */ | |
03dba561 | 1232 | *(I8*)ARG0_PTR = (I8)(uv >> 8); |
2053acbf | 1233 | break; |
2053acbf | 1234 | case SAVEt_DESTRUCTOR: |
03dba561 | 1235 | (*arg1.any_dptr)(ARG0_PTR); |
2053acbf | 1236 | break; |
68da3b2f | 1237 | case SAVEt_COMPILE_WARNINGS: |
68da3b2f NC |
1238 | if (!specialWARN(PL_compiling.cop_warnings)) |
1239 | PerlMemShared_free(PL_compiling.cop_warnings); | |
72dc9ed5 | 1240 | |
03dba561 | 1241 | PL_compiling.cop_warnings = (STRLEN*)ARG0_PTR; |
72dc9ed5 | 1242 | break; |
7c197c94 | 1243 | case SAVEt_PARSER: |
03dba561 | 1244 | parser_free((yy_parser *) ARG0_PTR); |
7c197c94 | 1245 | break; |
20d5dc23 FC |
1246 | case SAVEt_READONLY_OFF: |
1247 | SvREADONLY_off(ARG0_SV); | |
1248 | break; | |
79072805 | 1249 | default: |
5637ef5b | 1250 | Perl_croak(aTHX_ "panic: leave_scope inconsistency %u", type); |
79072805 LW |
1251 | } |
1252 | } | |
302c0c93 | 1253 | |
284167a5 | 1254 | TAINT_set(was); |
79072805 | 1255 | } |
8990e307 | 1256 | |
8990e307 | 1257 | void |
864dbfa3 | 1258 | Perl_cx_dump(pTHX_ PERL_CONTEXT *cx) |
8990e307 | 1259 | { |
7918f24d NC |
1260 | PERL_ARGS_ASSERT_CX_DUMP; |
1261 | ||
35ff7856 | 1262 | #ifdef DEBUGGING |
22c35a8c | 1263 | PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]); |
6b35e009 | 1264 | if (CxTYPE(cx) != CXt_SUBST) { |
e8d9e9d0 | 1265 | const char *gimme_text; |
760ac839 | 1266 | PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp); |
146174a9 CB |
1267 | PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n", |
1268 | PTR2UV(cx->blk_oldcop)); | |
760ac839 LW |
1269 | PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp); |
1270 | PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp); | |
146174a9 CB |
1271 | PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n", |
1272 | PTR2UV(cx->blk_oldpm)); | |
e8d9e9d0 VP |
1273 | switch (cx->blk_gimme) { |
1274 | case G_VOID: | |
1275 | gimme_text = "VOID"; | |
1276 | break; | |
1277 | case G_SCALAR: | |
1278 | gimme_text = "SCALAR"; | |
1279 | break; | |
1280 | case G_ARRAY: | |
1281 | gimme_text = "LIST"; | |
1282 | break; | |
1283 | default: | |
1284 | gimme_text = "UNKNOWN"; | |
1285 | break; | |
1286 | } | |
1287 | PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", gimme_text); | |
8990e307 | 1288 | } |
6b35e009 | 1289 | switch (CxTYPE(cx)) { |
8990e307 LW |
1290 | case CXt_NULL: |
1291 | case CXt_BLOCK: | |
1292 | break; | |
146174a9 | 1293 | case CXt_FORMAT: |
f9c764c5 NC |
1294 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.CV = 0x%"UVxf"\n", |
1295 | PTR2UV(cx->blk_format.cv)); | |
1296 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.GV = 0x%"UVxf"\n", | |
1297 | PTR2UV(cx->blk_format.gv)); | |
1298 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.DFOUTGV = 0x%"UVxf"\n", | |
1299 | PTR2UV(cx->blk_format.dfoutgv)); | |
1300 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.HASARGS = %d\n", | |
bafb2adc | 1301 | (int)CxHASARGS(cx)); |
f9c764c5 NC |
1302 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.RETOP = 0x%"UVxf"\n", |
1303 | PTR2UV(cx->blk_format.retop)); | |
146174a9 | 1304 | break; |
8990e307 | 1305 | case CXt_SUB: |
146174a9 CB |
1306 | PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n", |
1307 | PTR2UV(cx->blk_sub.cv)); | |
760ac839 | 1308 | PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n", |
8990e307 | 1309 | (long)cx->blk_sub.olddepth); |
760ac839 | 1310 | PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n", |
bafb2adc NC |
1311 | (int)CxHASARGS(cx)); |
1312 | PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n", (int)CxLVAL(cx)); | |
f39bc417 DM |
1313 | PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n", |
1314 | PTR2UV(cx->blk_sub.retop)); | |
8990e307 LW |
1315 | break; |
1316 | case CXt_EVAL: | |
760ac839 | 1317 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n", |
85a64632 | 1318 | (long)CxOLD_IN_EVAL(cx)); |
760ac839 | 1319 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n", |
85a64632 NC |
1320 | PL_op_name[CxOLD_OP_TYPE(cx)], |
1321 | PL_op_desc[CxOLD_OP_TYPE(cx)]); | |
0f79a09d GS |
1322 | if (cx->blk_eval.old_namesv) |
1323 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n", | |
aa07b2f6 | 1324 | SvPVX_const(cx->blk_eval.old_namesv)); |
146174a9 CB |
1325 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n", |
1326 | PTR2UV(cx->blk_eval.old_eval_root)); | |
f39bc417 DM |
1327 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.RETOP = 0x%"UVxf"\n", |
1328 | PTR2UV(cx->blk_eval.retop)); | |
8990e307 LW |
1329 | break; |
1330 | ||
c6fdafd0 | 1331 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1332 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
1333 | case CXt_LOOP_FOR: |
1334 | case CXt_LOOP_PLAIN: | |
0cbdab38 | 1335 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n", CxLABEL(cx)); |
760ac839 | 1336 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n", |
8990e307 | 1337 | (long)cx->blk_loop.resetsp); |
022eaa24 NC |
1338 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.MY_OP = 0x%"UVxf"\n", |
1339 | PTR2UV(cx->blk_loop.my_op)); | |
d01136d6 | 1340 | /* XXX: not accurate for LAZYSV/IV */ |
146174a9 | 1341 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n", |
d01136d6 BS |
1342 | PTR2UV(cx->blk_loop.state_u.ary.ary)); |
1343 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n", | |
1344 | (long)cx->blk_loop.state_u.ary.ix); | |
146174a9 CB |
1345 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n", |
1346 | PTR2UV(CxITERVAR(cx))); | |
8990e307 LW |
1347 | break; |
1348 | ||
1349 | case CXt_SUBST: | |
760ac839 | 1350 | PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n", |
8990e307 | 1351 | (long)cx->sb_iters); |
760ac839 | 1352 | PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n", |
8990e307 | 1353 | (long)cx->sb_maxiters); |
35ef4773 GS |
1354 | PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n", |
1355 | (long)cx->sb_rflags); | |
760ac839 | 1356 | PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n", |
c5bed6a7 | 1357 | (long)CxONCE(cx)); |
760ac839 | 1358 | PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n", |
8990e307 | 1359 | cx->sb_orig); |
146174a9 CB |
1360 | PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%"UVxf"\n", |
1361 | PTR2UV(cx->sb_dstr)); | |
1362 | PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%"UVxf"\n", | |
1363 | PTR2UV(cx->sb_targ)); | |
1364 | PerlIO_printf(Perl_debug_log, "SB_S = 0x%"UVxf"\n", | |
1365 | PTR2UV(cx->sb_s)); | |
1366 | PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n", | |
1367 | PTR2UV(cx->sb_m)); | |
1368 | PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%"UVxf"\n", | |
1369 | PTR2UV(cx->sb_strend)); | |
1370 | PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%"UVxf"\n", | |
1371 | PTR2UV(cx->sb_rxres)); | |
8990e307 LW |
1372 | break; |
1373 | } | |
65e66c80 | 1374 | #else |
96a5add6 | 1375 | PERL_UNUSED_CONTEXT; |
65e66c80 | 1376 | PERL_UNUSED_ARG(cx); |
17c3b450 | 1377 | #endif /* DEBUGGING */ |
35ff7856 | 1378 | } |
241d1a3b NC |
1379 | |
1380 | /* | |
14d04a33 | 1381 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 1382 | */ |