Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* scope.c |
79072805 | 2 | * |
1129b882 NC |
3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
4 | * 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others | |
79072805 LW |
5 | * |
6 | * You may distribute under the terms of either the GNU General Public | |
7 | * License or the Artistic License, as specified in the README file. | |
8 | * | |
a0d0e21e LW |
9 | */ |
10 | ||
11 | /* | |
4ac71550 TC |
12 | * For the fashion of Minas Tirith was such that it was built on seven |
13 | * levels... | |
14 | * | |
15 | * [p.751 of _The Lord of the Rings_, V/i: "Minas Tirith"] | |
79072805 LW |
16 | */ |
17 | ||
ddfa107c | 18 | /* This file contains functions to manipulate several of Perl's stacks; |
166f8a29 DM |
19 | * in particular it contains code to push various types of things onto |
20 | * the savestack, then to pop them off and perform the correct restorative | |
21 | * action for each one. This corresponds to the cleanup Perl does at | |
22 | * each scope exit. | |
23 | */ | |
24 | ||
79072805 | 25 | #include "EXTERN.h" |
864dbfa3 | 26 | #define PERL_IN_SCOPE_C |
79072805 LW |
27 | #include "perl.h" |
28 | ||
a0d0e21e | 29 | SV** |
fc16c392 | 30 | Perl_stack_grow(pTHX_ SV **sp, SV **p, SSize_t n) |
a0d0e21e | 31 | { |
7918f24d NC |
32 | PERL_ARGS_ASSERT_STACK_GROW; |
33 | ||
3280af22 | 34 | PL_stack_sp = sp; |
2ce36478 | 35 | #ifndef STRESS_REALLOC |
3280af22 | 36 | av_extend(PL_curstack, (p - PL_stack_base) + (n) + 128); |
2ce36478 | 37 | #else |
6b88bc9c | 38 | av_extend(PL_curstack, (p - PL_stack_base) + (n) + 1); |
2ce36478 | 39 | #endif |
3280af22 | 40 | return PL_stack_sp; |
a0d0e21e LW |
41 | } |
42 | ||
2ce36478 SM |
43 | #ifndef STRESS_REALLOC |
44 | #define GROW(old) ((old) * 3 / 2) | |
45 | #else | |
46 | #define GROW(old) ((old) + 1) | |
47 | #endif | |
48 | ||
e336de0d | 49 | PERL_SI * |
864dbfa3 | 50 | Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems) |
e336de0d GS |
51 | { |
52 | PERL_SI *si; | |
a02a5408 | 53 | Newx(si, 1, PERL_SI); |
e336de0d GS |
54 | si->si_stack = newAV(); |
55 | AvREAL_off(si->si_stack); | |
56 | av_extend(si->si_stack, stitems > 0 ? stitems-1 : 0); | |
3280af22 | 57 | AvALLOC(si->si_stack)[0] = &PL_sv_undef; |
e336de0d GS |
58 | AvFILLp(si->si_stack) = 0; |
59 | si->si_prev = 0; | |
60 | si->si_next = 0; | |
61 | si->si_cxmax = cxitems - 1; | |
62 | si->si_cxix = -1; | |
e788e7d3 | 63 | si->si_type = PERLSI_UNDEF; |
a02a5408 | 64 | Newx(si->si_cxstack, cxitems, PERL_CONTEXT); |
9965345d JH |
65 | /* Without any kind of initialising PUSHSUBST() |
66 | * in pp_subst() will read uninitialised heap. */ | |
7e337ee0 | 67 | PoisonNew(si->si_cxstack, cxitems, PERL_CONTEXT); |
e336de0d GS |
68 | return si; |
69 | } | |
70 | ||
79072805 | 71 | I32 |
864dbfa3 | 72 | Perl_cxinc(pTHX) |
79072805 | 73 | { |
a3b680e6 | 74 | const IV old_max = cxstack_max; |
2ce36478 | 75 | cxstack_max = GROW(cxstack_max); |
401a9b14 | 76 | Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); |
9965345d JH |
77 | /* Without any kind of initialising deep enough recursion |
78 | * will end up reading uninitialised PERL_CONTEXTs. */ | |
109bf713 | 79 | PoisonNew(cxstack + old_max + 1, cxstack_max - old_max, PERL_CONTEXT); |
79072805 LW |
80 | return cxstack_ix + 1; |
81 | } | |
82 | ||
79072805 | 83 | void |
864dbfa3 | 84 | Perl_push_scope(pTHX) |
79072805 | 85 | { |
5d9574c1 | 86 | if (UNLIKELY(PL_scopestack_ix == PL_scopestack_max)) { |
3280af22 NIS |
87 | PL_scopestack_max = GROW(PL_scopestack_max); |
88 | Renew(PL_scopestack, PL_scopestack_max, I32); | |
d343c3ef GG |
89 | #ifdef DEBUGGING |
90 | Renew(PL_scopestack_name, PL_scopestack_max, const char*); | |
520bb150 | 91 | #endif |
79072805 | 92 | } |
d343c3ef GG |
93 | #ifdef DEBUGGING |
94 | PL_scopestack_name[PL_scopestack_ix] = "unknown"; | |
95 | #endif | |
3280af22 | 96 | PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix; |
79072805 LW |
97 | |
98 | } | |
99 | ||
100 | void | |
864dbfa3 | 101 | Perl_pop_scope(pTHX) |
79072805 | 102 | { |
35a4481c | 103 | const I32 oldsave = PL_scopestack[--PL_scopestack_ix]; |
8990e307 | 104 | LEAVE_SCOPE(oldsave); |
79072805 LW |
105 | } |
106 | ||
ba5248fc | 107 | I32 * |
864dbfa3 | 108 | Perl_markstack_grow(pTHX) |
a0d0e21e | 109 | { |
35a4481c AL |
110 | const I32 oldmax = PL_markstack_max - PL_markstack; |
111 | const I32 newmax = GROW(oldmax); | |
a0d0e21e | 112 | |
3280af22 | 113 | Renew(PL_markstack, newmax, I32); |
3280af22 | 114 | PL_markstack_max = PL_markstack + newmax; |
ba5248fc DD |
115 | PL_markstack_ptr = PL_markstack + oldmax; |
116 | return PL_markstack_ptr; | |
a0d0e21e LW |
117 | } |
118 | ||
119 | void | |
864dbfa3 | 120 | Perl_savestack_grow(pTHX) |
79072805 | 121 | { |
8aacddc1 | 122 | PL_savestack_max = GROW(PL_savestack_max) + 4; |
3280af22 | 123 | Renew(PL_savestack, PL_savestack_max, ANY); |
79072805 LW |
124 | } |
125 | ||
4b3c1a47 AE |
126 | void |
127 | Perl_savestack_grow_cnt(pTHX_ I32 need) | |
128 | { | |
129 | PL_savestack_max = PL_savestack_ix + need; | |
130 | Renew(PL_savestack, PL_savestack_max, ANY); | |
131 | } | |
132 | ||
2ce36478 SM |
133 | #undef GROW |
134 | ||
a953aca5 DD |
135 | /* The original function was called Perl_tmps_grow and was removed from public |
136 | API, Perl_tmps_grow_p is the replacement and it used in public macros but | |
137 | isn't public itself. | |
138 | ||
139 | Perl_tmps_grow_p takes a proposed ix. A proposed ix is PL_tmps_ix + extend_by, | |
140 | where the result of (PL_tmps_ix + extend_by) is >= PL_tmps_max | |
141 | Upon return, PL_tmps_stack[ix] will be a valid address. For machine code | |
142 | optimization and register usage reasons, the proposed ix passed into | |
143 | tmps_grow is returned to the caller which the caller can then use to write | |
144 | an SV * to PL_tmps_stack[ix]. If the caller was using tmps_grow in | |
145 | pre-extend mode (EXTEND_MORTAL macro), then it ignores the return value of | |
146 | tmps_grow. Note, tmps_grow DOES NOT write ix to PL_tmps_ix, the caller | |
147 | must assign ix or ret val of tmps_grow to PL_temps_ix themselves if that is | |
148 | appropriate. The assignment to PL_temps_ix can happen before or after | |
149 | tmps_grow call since tmps_grow doesn't look at PL_tmps_ix. | |
150 | */ | |
151 | ||
152 | SSize_t | |
153 | Perl_tmps_grow_p(pTHX_ SSize_t ix) | |
677b06e3 | 154 | { |
a953aca5 | 155 | SSize_t extend_to = ix; |
677b06e3 | 156 | #ifndef STRESS_REALLOC |
a953aca5 DD |
157 | if (ix - PL_tmps_max < 128) |
158 | extend_to += (PL_tmps_max < 512) ? 128 : 512; | |
677b06e3 | 159 | #endif |
a953aca5 | 160 | PL_tmps_max = extend_to + 1; |
677b06e3 | 161 | Renew(PL_tmps_stack, PL_tmps_max, SV*); |
a953aca5 | 162 | return ix; |
677b06e3 GS |
163 | } |
164 | ||
165 | ||
166 | void | |
864dbfa3 | 167 | Perl_free_tmps(pTHX) |
79072805 LW |
168 | { |
169 | /* XXX should tmps_floor live in cxstack? */ | |
e8eb279c | 170 | const SSize_t myfloor = PL_tmps_floor; |
3280af22 | 171 | while (PL_tmps_ix > myfloor) { /* clean up after last statement */ |
22ade07d | 172 | SV* const sv = PL_tmps_stack[PL_tmps_ix--]; |
72581b5b VP |
173 | #ifdef PERL_POISON |
174 | PoisonWith(PL_tmps_stack + PL_tmps_ix + 1, 1, SV *, 0xAB); | |
22ade07d | 175 | #endif |
5d9574c1 | 176 | if (LIKELY(sv && sv != &PL_sv_undef)) { |
463ee0b2 | 177 | SvTEMP_off(sv); |
4a9a56a7 | 178 | SvREFCNT_dec_NN(sv); /* note, can modify tmps_ix!!! */ |
463ee0b2 | 179 | } |
79072805 LW |
180 | } |
181 | } | |
182 | ||
76e3520e | 183 | STATIC SV * |
af7df257 | 184 | S_save_scalar_at(pTHX_ SV **sptr, const U32 flags) |
79072805 | 185 | { |
75d34a09 | 186 | SV * osv; |
eb578fdb | 187 | SV *sv; |
79072805 | 188 | |
7918f24d NC |
189 | PERL_ARGS_ASSERT_SAVE_SCALAR_AT; |
190 | ||
75d34a09 VP |
191 | osv = *sptr; |
192 | sv = (flags & SAVEf_KEEPOLDELEM) ? osv : (*sptr = newSV(0)); | |
193 | ||
f1f99dc1 | 194 | if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv)) { |
a0d0e21e | 195 | if (SvGMAGICAL(osv)) { |
a0d0e21e | 196 | SvFLAGS(osv) |= (SvFLAGS(osv) & |
c268c2a6 | 197 | (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
a0d0e21e | 198 | } |
75d34a09 | 199 | if (!(flags & SAVEf_KEEPOLDELEM)) |
2dcac756 | 200 | mg_localize(osv, sv, cBOOL(flags & SAVEf_SETMAGIC)); |
79072805 | 201 | } |
75d34a09 | 202 | |
79072805 LW |
203 | return sv; |
204 | } | |
205 | ||
dfcd3de5 NC |
206 | void |
207 | Perl_save_pushptrptr(pTHX_ void *const ptr1, void *const ptr2, const int type) | |
e22024d3 | 208 | { |
a3444cc5 DM |
209 | dSS_ADD; |
210 | SS_ADD_PTR(ptr1); | |
211 | SS_ADD_PTR(ptr2); | |
212 | SS_ADD_UV(type); | |
213 | SS_ADD_END(3); | |
e22024d3 NC |
214 | } |
215 | ||
7a4c00b4 | 216 | SV * |
864dbfa3 | 217 | Perl_save_scalar(pTHX_ GV *gv) |
7a4c00b4 | 218 | { |
13c59d41 | 219 | SV ** const sptr = &GvSVn(gv); |
7918f24d NC |
220 | |
221 | PERL_ARGS_ASSERT_SAVE_SCALAR; | |
222 | ||
13c59d41 | 223 | if (UNLIKELY(SvGMAGICAL(*sptr))) { |
b492a59e | 224 | PL_localizing = 1; |
13c59d41 | 225 | (void)mg_get(*sptr); |
b492a59e DM |
226 | PL_localizing = 0; |
227 | } | |
13c59d41 MH |
228 | save_pushptrptr(SvREFCNT_inc_simple(gv), SvREFCNT_inc(*sptr), SAVEt_SV); |
229 | return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */ | |
7a4c00b4 | 230 | } |
231 | ||
f4dd75d9 | 232 | /* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to |
b9d12d37 GS |
233 | * restore a global SV to its prior contents, freeing new value. */ |
234 | void | |
864dbfa3 | 235 | Perl_save_generic_svref(pTHX_ SV **sptr) |
b9d12d37 | 236 | { |
7918f24d NC |
237 | PERL_ARGS_ASSERT_SAVE_GENERIC_SVREF; |
238 | ||
e22024d3 | 239 | save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_GENERIC_SVREF); |
b9d12d37 GS |
240 | } |
241 | ||
f4dd75d9 GS |
242 | /* Like save_pptr(), but also Safefree()s the new value if it is different |
243 | * from the old one. Can be used to restore a global char* to its prior | |
244 | * contents, freeing new value. */ | |
245 | void | |
246 | Perl_save_generic_pvref(pTHX_ char **str) | |
247 | { | |
7918f24d NC |
248 | PERL_ARGS_ASSERT_SAVE_GENERIC_PVREF; |
249 | ||
e22024d3 | 250 | save_pushptrptr(*str, str, SAVEt_GENERIC_PVREF); |
f4dd75d9 GS |
251 | } |
252 | ||
05ec9bb3 NIS |
253 | /* Like save_generic_pvref(), but uses PerlMemShared_free() rather than Safefree(). |
254 | * Can be used to restore a shared global char* to its prior | |
255 | * contents, freeing new value. */ | |
256 | void | |
257 | Perl_save_shared_pvref(pTHX_ char **str) | |
258 | { | |
7918f24d NC |
259 | PERL_ARGS_ASSERT_SAVE_SHARED_PVREF; |
260 | ||
e22024d3 | 261 | save_pushptrptr(str, *str, SAVEt_SHARED_PVREF); |
05ec9bb3 NIS |
262 | } |
263 | ||
14f338dc DM |
264 | /* set the SvFLAGS specified by mask to the values in val */ |
265 | ||
266 | void | |
267 | Perl_save_set_svflags(pTHX_ SV* sv, U32 mask, U32 val) | |
268 | { | |
a3444cc5 | 269 | dSS_ADD; |
7918f24d NC |
270 | |
271 | PERL_ARGS_ASSERT_SAVE_SET_SVFLAGS; | |
272 | ||
a3444cc5 DM |
273 | SS_ADD_PTR(sv); |
274 | SS_ADD_INT(mask); | |
275 | SS_ADD_INT(val); | |
276 | SS_ADD_UV(SAVEt_SET_SVFLAGS); | |
277 | SS_ADD_END(4); | |
14f338dc DM |
278 | } |
279 | ||
79072805 | 280 | void |
864dbfa3 | 281 | Perl_save_gp(pTHX_ GV *gv, I32 empty) |
79072805 | 282 | { |
7918f24d NC |
283 | PERL_ARGS_ASSERT_SAVE_GP; |
284 | ||
10507e11 | 285 | save_pushptrptr(SvREFCNT_inc(gv), GvGP(gv), SAVEt_GP); |
79072805 | 286 | |
5f05dabc | 287 | if (empty) { |
12816592 | 288 | GP *gp = Perl_newGP(aTHX_ gv); |
959f7ad7 | 289 | HV * const stash = GvSTASH(gv); |
3d460042 FC |
290 | bool isa_changed = 0; |
291 | ||
292 | if (stash && HvENAME(stash)) { | |
293 | if (GvNAMELEN(gv) == 3 && strnEQ(GvNAME(gv), "ISA", 3)) | |
294 | isa_changed = TRUE; | |
295 | else if (GvCVu(gv)) | |
296 | /* taking a method out of circulation ("local")*/ | |
297 | mro_method_changed_in(stash); | |
298 | } | |
146174a9 CB |
299 | if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) { |
300 | gp->gp_io = newIO(); | |
301 | IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START; | |
302 | } | |
c43ae56f | 303 | GvGP_set(gv,gp); |
3d460042 | 304 | if (isa_changed) mro_isa_changed_in(stash); |
5f05dabc | 305 | } |
306 | else { | |
44a8e56a | 307 | gp_ref(GvGP(gv)); |
5f05dabc | 308 | GvINTRO_on(gv); |
309 | } | |
79072805 | 310 | } |
79072805 | 311 | |
79072805 | 312 | AV * |
864dbfa3 | 313 | Perl_save_ary(pTHX_ GV *gv) |
79072805 | 314 | { |
901017d6 | 315 | AV * const oav = GvAVn(gv); |
67a38de0 | 316 | AV *av; |
fb73857a | 317 | |
7918f24d NC |
318 | PERL_ARGS_ASSERT_SAVE_ARY; |
319 | ||
5d9574c1 | 320 | if (UNLIKELY(!AvREAL(oav) && AvREIFY(oav))) |
67a38de0 | 321 | av_reify(oav); |
01433346 | 322 | save_pushptrptr(SvREFCNT_inc_simple_NN(gv), oav, SAVEt_AV); |
79072805 | 323 | |
4608196e | 324 | GvAV(gv) = NULL; |
fb73857a | 325 | av = GvAVn(gv); |
5d9574c1 | 326 | if (UNLIKELY(SvMAGIC(oav))) |
9711599e | 327 | mg_localize(MUTABLE_SV(oav), MUTABLE_SV(av), TRUE); |
fb73857a | 328 | return av; |
79072805 LW |
329 | } |
330 | ||
331 | HV * | |
864dbfa3 | 332 | Perl_save_hash(pTHX_ GV *gv) |
79072805 | 333 | { |
fb73857a | 334 | HV *ohv, *hv; |
335 | ||
7918f24d NC |
336 | PERL_ARGS_ASSERT_SAVE_HASH; |
337 | ||
01433346 FC |
338 | save_pushptrptr( |
339 | SvREFCNT_inc_simple_NN(gv), (ohv = GvHVn(gv)), SAVEt_HV | |
340 | ); | |
79072805 | 341 | |
4608196e | 342 | GvHV(gv) = NULL; |
fb73857a | 343 | hv = GvHVn(gv); |
5d9574c1 | 344 | if (UNLIKELY(SvMAGIC(ohv))) |
9711599e | 345 | mg_localize(MUTABLE_SV(ohv), MUTABLE_SV(hv), TRUE); |
fb73857a | 346 | return hv; |
79072805 LW |
347 | } |
348 | ||
349 | void | |
5aaab254 | 350 | Perl_save_item(pTHX_ SV *item) |
79072805 | 351 | { |
eb578fdb | 352 | SV * const sv = newSVsv(item); |
79072805 | 353 | |
7918f24d NC |
354 | PERL_ARGS_ASSERT_SAVE_ITEM; |
355 | ||
e22024d3 NC |
356 | save_pushptrptr(item, /* remember the pointer */ |
357 | sv, /* remember the value */ | |
358 | SAVEt_ITEM); | |
79072805 LW |
359 | } |
360 | ||
361 | void | |
1409bc06 | 362 | Perl_save_bool(pTHX_ bool *boolp) |
79072805 | 363 | { |
a3444cc5 | 364 | dSS_ADD; |
7918f24d | 365 | |
1409bc06 | 366 | PERL_ARGS_ASSERT_SAVE_BOOL; |
7918f24d | 367 | |
a3444cc5 DM |
368 | SS_ADD_PTR(boolp); |
369 | SS_ADD_UV(SAVEt_BOOL | (*boolp << 8)); | |
370 | SS_ADD_END(2); | |
1409bc06 NC |
371 | } |
372 | ||
7623d426 NC |
373 | void |
374 | Perl_save_pushi32ptr(pTHX_ const I32 i, void *const ptr, const int type) | |
1409bc06 | 375 | { |
a3444cc5 DM |
376 | dSS_ADD; |
377 | ||
378 | SS_ADD_INT(i); | |
379 | SS_ADD_PTR(ptr); | |
380 | SS_ADD_UV(type); | |
381 | SS_ADD_END(3); | |
79072805 LW |
382 | } |
383 | ||
384 | void | |
1409bc06 | 385 | Perl_save_int(pTHX_ int *intp) |
9febdf04 | 386 | { |
d172696c | 387 | const int i = *intp; |
9b139d09 | 388 | UV type = ((UV)((UV)i << SAVE_TIGHT_SHIFT) | SAVEt_INT_SMALL); |
d172696c DM |
389 | int size = 2; |
390 | dSS_ADD; | |
7918f24d | 391 | |
1409bc06 | 392 | PERL_ARGS_ASSERT_SAVE_INT; |
7918f24d | 393 | |
5d9574c1 | 394 | if (UNLIKELY((int)(type >> SAVE_TIGHT_SHIFT) != i)) { |
d172696c DM |
395 | SS_ADD_INT(i); |
396 | type = SAVEt_INT; | |
397 | size++; | |
398 | } | |
399 | SS_ADD_PTR(intp); | |
400 | SS_ADD_UV(type); | |
401 | SS_ADD_END(size); | |
9febdf04 RH |
402 | } |
403 | ||
404 | void | |
58188858 RGS |
405 | Perl_save_I8(pTHX_ I8 *bytep) |
406 | { | |
a3444cc5 | 407 | dSS_ADD; |
7918f24d NC |
408 | |
409 | PERL_ARGS_ASSERT_SAVE_I8; | |
410 | ||
a3444cc5 DM |
411 | SS_ADD_PTR(bytep); |
412 | SS_ADD_UV(SAVEt_I8 | ((UV)*bytep << 8)); | |
413 | SS_ADD_END(2); | |
58188858 RGS |
414 | } |
415 | ||
416 | void | |
87a84751 JH |
417 | Perl_save_I16(pTHX_ I16 *intp) |
418 | { | |
a3444cc5 | 419 | dSS_ADD; |
7918f24d NC |
420 | |
421 | PERL_ARGS_ASSERT_SAVE_I16; | |
422 | ||
a3444cc5 DM |
423 | SS_ADD_PTR(intp); |
424 | SS_ADD_UV(SAVEt_I16 | ((UV)*intp << 8)); | |
425 | SS_ADD_END(2); | |
87a84751 JH |
426 | } |
427 | ||
428 | void | |
864dbfa3 | 429 | Perl_save_I32(pTHX_ I32 *intp) |
79072805 | 430 | { |
d172696c | 431 | const I32 i = *intp; |
9b139d09 | 432 | UV type = ((I32)((U32)i << SAVE_TIGHT_SHIFT) | SAVEt_I32_SMALL); |
d172696c DM |
433 | int size = 2; |
434 | dSS_ADD; | |
7918f24d NC |
435 | |
436 | PERL_ARGS_ASSERT_SAVE_I32; | |
437 | ||
5d9574c1 | 438 | if (UNLIKELY((I32)(type >> SAVE_TIGHT_SHIFT) != i)) { |
d172696c DM |
439 | SS_ADD_INT(i); |
440 | type = SAVEt_I32; | |
441 | size++; | |
442 | } | |
443 | SS_ADD_PTR(intp); | |
444 | SS_ADD_UV(type); | |
445 | SS_ADD_END(size); | |
79072805 LW |
446 | } |
447 | ||
e8eb279c FC |
448 | void |
449 | Perl_save_strlen(pTHX_ STRLEN *ptr) | |
450 | { | |
e8eb279c FC |
451 | dSS_ADD; |
452 | ||
453 | PERL_ARGS_ASSERT_SAVE_STRLEN; | |
454 | ||
455 | SS_ADD_IV(*ptr); | |
456 | SS_ADD_PTR(ptr); | |
457 | SS_ADD_UV(SAVEt_STRLEN); | |
458 | SS_ADD_END(3); | |
459 | } | |
460 | ||
85e6fe83 LW |
461 | /* Cannot use save_sptr() to store a char* since the SV** cast will |
462 | * force word-alignment and we'll miss the pointer. | |
463 | */ | |
464 | void | |
864dbfa3 | 465 | Perl_save_pptr(pTHX_ char **pptr) |
85e6fe83 | 466 | { |
7918f24d NC |
467 | PERL_ARGS_ASSERT_SAVE_PPTR; |
468 | ||
e22024d3 | 469 | save_pushptrptr(*pptr, pptr, SAVEt_PPTR); |
85e6fe83 LW |
470 | } |
471 | ||
79072805 | 472 | void |
146174a9 CB |
473 | Perl_save_vptr(pTHX_ void *ptr) |
474 | { | |
7918f24d NC |
475 | PERL_ARGS_ASSERT_SAVE_VPTR; |
476 | ||
e22024d3 | 477 | save_pushptrptr(*(char**)ptr, ptr, SAVEt_VPTR); |
146174a9 CB |
478 | } |
479 | ||
480 | void | |
864dbfa3 | 481 | Perl_save_sptr(pTHX_ SV **sptr) |
79072805 | 482 | { |
7918f24d NC |
483 | PERL_ARGS_ASSERT_SAVE_SPTR; |
484 | ||
e22024d3 | 485 | save_pushptrptr(*sptr, sptr, SAVEt_SPTR); |
79072805 LW |
486 | } |
487 | ||
c3564e5c | 488 | void |
09edbca0 | 489 | Perl_save_padsv_and_mortalize(pTHX_ PADOFFSET off) |
c3564e5c | 490 | { |
a3444cc5 DM |
491 | dSS_ADD; |
492 | ||
f3548bdc | 493 | ASSERT_CURPAD_ACTIVE("save_padsv"); |
a3444cc5 DM |
494 | SS_ADD_PTR(SvREFCNT_inc_simple_NN(PL_curpad[off])); |
495 | SS_ADD_PTR(PL_comppad); | |
03dba561 | 496 | SS_ADD_UV((UV)off); |
a3444cc5 DM |
497 | SS_ADD_UV(SAVEt_PADSV_AND_MORTALIZE); |
498 | SS_ADD_END(4); | |
c3564e5c GS |
499 | } |
500 | ||
79072805 | 501 | void |
864dbfa3 | 502 | Perl_save_hptr(pTHX_ HV **hptr) |
79072805 | 503 | { |
7918f24d NC |
504 | PERL_ARGS_ASSERT_SAVE_HPTR; |
505 | ||
e22024d3 | 506 | save_pushptrptr(*hptr, hptr, SAVEt_HPTR); |
79072805 LW |
507 | } |
508 | ||
509 | void | |
864dbfa3 | 510 | Perl_save_aptr(pTHX_ AV **aptr) |
79072805 | 511 | { |
7918f24d NC |
512 | PERL_ARGS_ASSERT_SAVE_APTR; |
513 | ||
e22024d3 | 514 | save_pushptrptr(*aptr, aptr, SAVEt_APTR); |
79072805 LW |
515 | } |
516 | ||
517 | void | |
2fd8beea | 518 | Perl_save_pushptr(pTHX_ void *const ptr, const int type) |
8990e307 | 519 | { |
a3444cc5 DM |
520 | dSS_ADD; |
521 | SS_ADD_PTR(ptr); | |
522 | SS_ADD_UV(type); | |
523 | SS_ADD_END(2); | |
8990e307 LW |
524 | } |
525 | ||
526 | void | |
864dbfa3 | 527 | Perl_save_clearsv(pTHX_ SV **svp) |
8990e307 | 528 | { |
cdcdfc56 NC |
529 | const UV offset = svp - PL_curpad; |
530 | const UV offset_shifted = offset << SAVE_TIGHT_SHIFT; | |
7918f24d NC |
531 | |
532 | PERL_ARGS_ASSERT_SAVE_CLEARSV; | |
533 | ||
f3548bdc | 534 | ASSERT_CURPAD_ACTIVE("save_clearsv"); |
623e28c6 | 535 | SvPADSTALE_off(*svp); /* mark lexical as active */ |
5d9574c1 | 536 | if (UNLIKELY((offset_shifted >> SAVE_TIGHT_SHIFT) != offset)) { |
cdcdfc56 NC |
537 | Perl_croak(aTHX_ "panic: pad offset %"UVuf" out of range (%p-%p)", |
538 | offset, svp, PL_curpad); | |
a3444cc5 | 539 | } |
cdcdfc56 | 540 | |
a3444cc5 DM |
541 | { |
542 | dSS_ADD; | |
543 | SS_ADD_UV(offset_shifted | SAVEt_CLEARSV); | |
544 | SS_ADD_END(1); | |
545 | } | |
8990e307 LW |
546 | } |
547 | ||
548 | void | |
864dbfa3 | 549 | Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen) |
8990e307 | 550 | { |
7918f24d NC |
551 | PERL_ARGS_ASSERT_SAVE_DELETE; |
552 | ||
85a721ca | 553 | save_pushptri32ptr(key, klen, SvREFCNT_inc_simple(hv), SAVEt_DELETE); |
8990e307 LW |
554 | } |
555 | ||
556 | void | |
af097752 VP |
557 | Perl_save_hdelete(pTHX_ HV *hv, SV *keysv) |
558 | { | |
559 | STRLEN len; | |
560 | I32 klen; | |
561 | const char *key; | |
562 | ||
563 | PERL_ARGS_ASSERT_SAVE_HDELETE; | |
564 | ||
565 | key = SvPV_const(keysv, len); | |
566 | klen = SvUTF8(keysv) ? -(I32)len : (I32)len; | |
567 | SvREFCNT_inc_simple_void_NN(hv); | |
568 | save_pushptri32ptr(savepvn(key, len), klen, hv, SAVEt_DELETE); | |
569 | } | |
570 | ||
571 | void | |
c70927a6 | 572 | Perl_save_adelete(pTHX_ AV *av, SSize_t key) |
c68ec7a9 | 573 | { |
c70927a6 | 574 | dSS_ADD; |
c68ec7a9 VP |
575 | |
576 | PERL_ARGS_ASSERT_SAVE_ADELETE; | |
577 | ||
578 | SvREFCNT_inc_void(av); | |
c70927a6 FC |
579 | SS_ADD_UV(key); |
580 | SS_ADD_PTR(av); | |
581 | SS_ADD_IV(SAVEt_ADELETE); | |
582 | SS_ADD_END(3); | |
c68ec7a9 VP |
583 | } |
584 | ||
585 | void | |
12ab1f58 JH |
586 | Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p) |
587 | { | |
a3444cc5 | 588 | dSS_ADD; |
7918f24d NC |
589 | PERL_ARGS_ASSERT_SAVE_DESTRUCTOR; |
590 | ||
a3444cc5 DM |
591 | SS_ADD_DPTR(f); |
592 | SS_ADD_PTR(p); | |
593 | SS_ADD_UV(SAVEt_DESTRUCTOR); | |
594 | SS_ADD_END(3); | |
12ab1f58 JH |
595 | } |
596 | ||
597 | void | |
146174a9 CB |
598 | Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p) |
599 | { | |
a3444cc5 DM |
600 | dSS_ADD; |
601 | ||
602 | SS_ADD_DXPTR(f); | |
603 | SS_ADD_PTR(p); | |
604 | SS_ADD_UV(SAVEt_DESTRUCTOR_X); | |
605 | SS_ADD_END(3); | |
146174a9 CB |
606 | } |
607 | ||
608 | void | |
da8315f8 NC |
609 | Perl_save_hints(pTHX) |
610 | { | |
20439bc7 | 611 | COPHH *save_cophh = cophh_copy(CopHINTHASH_get(&PL_compiling)); |
da8315f8 | 612 | if (PL_hints & HINT_LOCALIZE_HH) { |
52c7aca6 FC |
613 | HV *oldhh = GvHV(PL_hintgv); |
614 | save_pushptri32ptr(oldhh, PL_hints, save_cophh, SAVEt_HINTS); | |
615 | GvHV(PL_hintgv) = NULL; /* in case copying dies */ | |
616 | GvHV(PL_hintgv) = hv_copy_hints_hv(oldhh); | |
be84297e | 617 | } else { |
20439bc7 | 618 | save_pushi32ptr(PL_hints, save_cophh, SAVEt_HINTS); |
da8315f8 | 619 | } |
be84297e NC |
620 | } |
621 | ||
622 | static void | |
623 | S_save_pushptri32ptr(pTHX_ void *const ptr1, const I32 i, void *const ptr2, | |
624 | const int type) | |
625 | { | |
a3444cc5 DM |
626 | dSS_ADD; |
627 | SS_ADD_PTR(ptr1); | |
628 | SS_ADD_INT(i); | |
629 | SS_ADD_PTR(ptr2); | |
630 | SS_ADD_UV(type); | |
631 | SS_ADD_END(4); | |
da8315f8 NC |
632 | } |
633 | ||
634 | void | |
c70927a6 FC |
635 | Perl_save_aelem_flags(pTHX_ AV *av, SSize_t idx, SV **sptr, |
636 | const U32 flags) | |
4e4c362e | 637 | { |
20b7effb | 638 | dSS_ADD; |
bfc4de9f | 639 | SV *sv; |
7918f24d | 640 | |
91d1c79f | 641 | PERL_ARGS_ASSERT_SAVE_AELEM_FLAGS; |
7918f24d | 642 | |
0cbee0a4 | 643 | SvGETMAGIC(*sptr); |
c70927a6 FC |
644 | SS_ADD_PTR(SvREFCNT_inc_simple(av)); |
645 | SS_ADD_IV(idx); | |
646 | SS_ADD_PTR(SvREFCNT_inc(*sptr)); | |
647 | SS_ADD_UV(SAVEt_AELEM); | |
648 | SS_ADD_END(4); | |
1cdc9186 FC |
649 | /* The array needs to hold a reference count on its new element, so it |
650 | must be AvREAL. */ | |
5d9574c1 | 651 | if (UNLIKELY(!AvREAL(av) && AvREIFY(av))) |
1cdc9186 | 652 | av_reify(av); |
91d1c79f | 653 | save_scalar_at(sptr, flags); /* XXX - FIXME - see #60360 */ |
75d34a09 VP |
654 | if (flags & SAVEf_KEEPOLDELEM) |
655 | return; | |
bfc4de9f DM |
656 | sv = *sptr; |
657 | /* If we're localizing a tied array element, this new sv | |
658 | * won't actually be stored in the array - so it won't get | |
659 | * reaped when the localize ends. Ensure it gets reaped by | |
660 | * mortifying it instead. DAPM */ | |
5d9574c1 | 661 | if (UNLIKELY(SvTIED_mg((const SV *)av, PERL_MAGIC_tied))) |
bfc4de9f | 662 | sv_2mortal(sv); |
4e4c362e GS |
663 | } |
664 | ||
665 | void | |
af7df257 | 666 | Perl_save_helem_flags(pTHX_ HV *hv, SV *key, SV **sptr, const U32 flags) |
4e4c362e | 667 | { |
bfc4de9f | 668 | SV *sv; |
7918f24d | 669 | |
af7df257 | 670 | PERL_ARGS_ASSERT_SAVE_HELEM_FLAGS; |
7918f24d | 671 | |
0cbee0a4 | 672 | SvGETMAGIC(*sptr); |
a3444cc5 DM |
673 | { |
674 | dSS_ADD; | |
675 | SS_ADD_PTR(SvREFCNT_inc_simple(hv)); | |
676 | SS_ADD_PTR(newSVsv(key)); | |
677 | SS_ADD_PTR(SvREFCNT_inc(*sptr)); | |
678 | SS_ADD_UV(SAVEt_HELEM); | |
679 | SS_ADD_END(4); | |
680 | } | |
af7df257 | 681 | save_scalar_at(sptr, flags); |
75d34a09 VP |
682 | if (flags & SAVEf_KEEPOLDELEM) |
683 | return; | |
bfc4de9f DM |
684 | sv = *sptr; |
685 | /* If we're localizing a tied hash element, this new sv | |
686 | * won't actually be stored in the hash - so it won't get | |
687 | * reaped when the localize ends. Ensure it gets reaped by | |
688 | * mortifying it instead. DAPM */ | |
5d9574c1 | 689 | if (UNLIKELY(SvTIED_mg((const SV *)hv, PERL_MAGIC_tied))) |
bfc4de9f | 690 | sv_2mortal(sv); |
4e4c362e GS |
691 | } |
692 | ||
2053acbf NC |
693 | SV* |
694 | Perl_save_svref(pTHX_ SV **sptr) | |
695 | { | |
7918f24d NC |
696 | PERL_ARGS_ASSERT_SAVE_SVREF; |
697 | ||
2053acbf | 698 | SvGETMAGIC(*sptr); |
e22024d3 | 699 | save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_SVREF); |
af7df257 | 700 | return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */ |
2053acbf NC |
701 | } |
702 | ||
455ece5e | 703 | I32 |
864dbfa3 | 704 | Perl_save_alloc(pTHX_ I32 size, I32 pad) |
455ece5e | 705 | { |
eb578fdb KW |
706 | const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix] |
707 | - (char*)PL_savestack); | |
1be36ce0 NC |
708 | const UV elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack)); |
709 | const UV elems_shifted = elems << SAVE_TIGHT_SHIFT; | |
455ece5e | 710 | |
5d9574c1 | 711 | if (UNLIKELY((elems_shifted >> SAVE_TIGHT_SHIFT) != elems)) |
93a641ae DM |
712 | Perl_croak(aTHX_ |
713 | "panic: save_alloc elems %"UVuf" out of range (%"IVdf"-%"IVdf")", | |
714 | elems, (IV)size, (IV)pad); | |
1be36ce0 NC |
715 | |
716 | SSGROW(elems + 1); | |
455ece5e AD |
717 | |
718 | PL_savestack_ix += elems; | |
1be36ce0 | 719 | SSPUSHUV(SAVEt_ALLOC | elems_shifted); |
455ece5e AD |
720 | return start; |
721 | } | |
722 | ||
c997e362 FC |
723 | void |
724 | Perl_save_aliased_sv(pTHX_ GV *gv) | |
725 | { | |
726 | dSS_ADD; | |
727 | PERL_ARGS_ASSERT_SAVE_ALIASED_SV; | |
728 | SS_ADD_PTR(gp_ref(GvGP(gv))); | |
729 | SS_ADD_UV(SAVEt_GP_ALIASED_SV | cBOOL(GvALIASED_SV(gv)) << 8); | |
730 | SS_ADD_END(2); | |
731 | } | |
732 | ||
03dba561 DM |
733 | |
734 | ||
735 | #define ARG0_SV MUTABLE_SV(arg0.any_ptr) | |
736 | #define ARG0_AV MUTABLE_AV(arg0.any_ptr) | |
737 | #define ARG0_HV MUTABLE_HV(arg0.any_ptr) | |
738 | #define ARG0_PTR arg0.any_ptr | |
739 | #define ARG0_PV (char*)(arg0.any_ptr) | |
740 | #define ARG0_PVP (char**)(arg0.any_ptr) | |
741 | #define ARG0_I32 (arg0.any_i32) | |
742 | ||
743 | #define ARG1_SV MUTABLE_SV(arg1.any_ptr) | |
744 | #define ARG1_AV MUTABLE_AV(arg1.any_ptr) | |
745 | #define ARG1_GV MUTABLE_GV(arg1.any_ptr) | |
746 | #define ARG1_SVP (SV**)(arg1.any_ptr) | |
747 | #define ARG1_PVP (char**)(arg1.any_ptr) | |
748 | #define ARG1_PTR arg1.any_ptr | |
749 | #define ARG1_PV (char*)(arg1.any_ptr) | |
750 | #define ARG1_I32 (arg1.any_i32) | |
751 | ||
752 | #define ARG2_SV MUTABLE_SV(arg2.any_ptr) | |
753 | #define ARG2_AV MUTABLE_AV(arg2.any_ptr) | |
754 | #define ARG2_HV MUTABLE_HV(arg2.any_ptr) | |
755 | #define ARG2_GV MUTABLE_GV(arg2.any_ptr) | |
756 | #define ARG2_PV (char*)(arg2.any_ptr) | |
757 | ||
462e5cf6 | 758 | void |
864dbfa3 | 759 | Perl_leave_scope(pTHX_ I32 base) |
79072805 | 760 | { |
302c0c93 | 761 | /* Localise the effects of the TAINT_NOT inside the loop. */ |
284167a5 | 762 | bool was = TAINT_get; |
79072805 | 763 | |
51418c6a JH |
764 | I32 i; |
765 | SV *sv; | |
766 | ||
03dba561 DM |
767 | ANY arg0, arg1, arg2; |
768 | ||
769 | /* these initialisations are logically unnecessary, but they shut up | |
770 | * spurious 'may be used uninitialized' compiler warnings */ | |
771 | arg0.any_ptr = NULL; | |
772 | arg1.any_ptr = NULL; | |
773 | arg2.any_ptr = NULL; | |
774 | ||
5d9574c1 | 775 | if (UNLIKELY(base < -1)) |
5637ef5b | 776 | Perl_croak(aTHX_ "panic: corrupt saved stack index %ld", (long) base); |
1c98cc53 DM |
777 | DEBUG_l(Perl_deb(aTHX_ "savestack: releasing items %ld -> %ld\n", |
778 | (long)PL_savestack_ix, (long)base)); | |
3280af22 | 779 | while (PL_savestack_ix > base) { |
03dba561 DM |
780 | UV uv; |
781 | U8 type; | |
782 | ||
783 | SV *refsv; | |
784 | SV **svp; | |
785 | ||
c6ae7647 NC |
786 | TAINT_NOT; |
787 | ||
03dba561 DM |
788 | { |
789 | I32 ix = PL_savestack_ix - 1; | |
790 | ANY *p = &PL_savestack[ix]; | |
791 | uv = p->any_uv; | |
792 | type = (U8)uv & SAVE_MASK; | |
793 | if (type > SAVEt_ARG0_MAX) { | |
794 | ANY *p0 = p; | |
795 | arg0 = *--p; | |
796 | if (type > SAVEt_ARG1_MAX) { | |
797 | arg1 = *--p; | |
798 | if (type > SAVEt_ARG2_MAX) { | |
799 | arg2 = *--p; | |
800 | } | |
801 | } | |
802 | ix -= (p0 - p); | |
803 | } | |
804 | PL_savestack_ix = ix; | |
805 | } | |
806 | ||
c6bf6a65 | 807 | switch (type) { |
79072805 | 808 | case SAVEt_ITEM: /* normal string */ |
03dba561 | 809 | sv_replace(ARG1_SV, ARG0_SV); |
5d9574c1 | 810 | if (UNLIKELY(SvSMAGICAL(ARG1_SV))) { |
b492a59e DM |
811 | PL_localizing = 2; |
812 | mg_set(ARG1_SV); | |
813 | PL_localizing = 0; | |
814 | } | |
79072805 | 815 | break; |
03dba561 DM |
816 | |
817 | /* This would be a mathom, but Perl_save_svref() calls a static | |
818 | function, S_save_scalar_at(), so has to stay in this file. */ | |
819 | case SAVEt_SVREF: /* scalar reference */ | |
820 | svp = ARG1_SVP; | |
821 | refsv = NULL; /* what to refcnt_dec */ | |
822 | goto restore_sv; | |
823 | ||
8aacddc1 | 824 | case SAVEt_SV: /* scalar reference */ |
03dba561 DM |
825 | svp = &GvSV(ARG1_GV); |
826 | refsv = ARG1_SV; /* what to refcnt_dec */ | |
2053acbf | 827 | restore_sv: |
03dba561 DM |
828 | { |
829 | SV * const sv = *svp; | |
830 | *svp = ARG0_SV; | |
2053acbf | 831 | SvREFCNT_dec(sv); |
5d9574c1 | 832 | if (UNLIKELY(SvSMAGICAL(ARG0_SV))) { |
b492a59e DM |
833 | PL_localizing = 2; |
834 | mg_set(ARG0_SV); | |
835 | PL_localizing = 0; | |
836 | } | |
4a9a56a7 | 837 | SvREFCNT_dec_NN(ARG0_SV); |
03dba561 | 838 | SvREFCNT_dec(refsv); |
2053acbf | 839 | break; |
03dba561 | 840 | } |
8aacddc1 | 841 | case SAVEt_GENERIC_PVREF: /* generic pv */ |
03dba561 DM |
842 | if (*ARG0_PVP != ARG1_PV) { |
843 | Safefree(*ARG0_PVP); | |
844 | *ARG0_PVP = ARG1_PV; | |
f4dd75d9 GS |
845 | } |
846 | break; | |
05ec9bb3 | 847 | case SAVEt_SHARED_PVREF: /* shared pv */ |
03dba561 | 848 | if (*ARG1_PVP != ARG0_PV) { |
5e54c26f | 849 | #ifdef NETWARE |
03dba561 | 850 | PerlMem_free(*ARG1_PVP); |
5e54c26f | 851 | #else |
03dba561 | 852 | PerlMemShared_free(*ARG1_PVP); |
5e54c26f | 853 | #endif |
03dba561 | 854 | *ARG1_PVP = ARG0_PV; |
05ec9bb3 NIS |
855 | } |
856 | break; | |
f83b46a0 | 857 | case SAVEt_GVSV: /* scalar slot in GV */ |
03dba561 | 858 | svp = &GvSV(ARG1_GV); |
f83b46a0 | 859 | goto restore_svp; |
8aacddc1 | 860 | case SAVEt_GENERIC_SVREF: /* generic sv */ |
03dba561 | 861 | svp = ARG1_SVP; |
f83b46a0 | 862 | restore_svp: |
03dba561 DM |
863 | { |
864 | SV * const sv = *svp; | |
865 | *svp = ARG0_SV; | |
f4dd75d9 | 866 | SvREFCNT_dec(sv); |
03dba561 | 867 | SvREFCNT_dec(ARG0_SV); |
b9d12d37 | 868 | break; |
03dba561 | 869 | } |
db9306af | 870 | case SAVEt_GVSLOT: /* any slot in GV */ |
03dba561 DM |
871 | { |
872 | HV *const hv = GvSTASH(ARG2_GV); | |
873 | svp = ARG1_SVP; | |
db9306af | 874 | if (hv && HvENAME(hv) && ( |
03dba561 DM |
875 | (ARG0_SV && SvTYPE(ARG0_SV) == SVt_PVCV) |
876 | || (*svp && SvTYPE(*svp) == SVt_PVCV) | |
db9306af FC |
877 | )) |
878 | { | |
03dba561 DM |
879 | if ((char *)svp < (char *)GvGP(ARG2_GV) |
880 | || (char *)svp > (char *)GvGP(ARG2_GV) + sizeof(struct gp) | |
a3d47e0d | 881 | || GvREFCNT(ARG2_GV) > 2) /* "> 2" to ignore savestack's ref */ |
db9306af FC |
882 | PL_sub_generation++; |
883 | else mro_method_changed_in(hv); | |
884 | } | |
885 | goto restore_svp; | |
03dba561 | 886 | } |
8aacddc1 | 887 | case SAVEt_AV: /* array reference */ |
03dba561 DM |
888 | SvREFCNT_dec(GvAV(ARG1_GV)); |
889 | GvAV(ARG1_GV) = ARG0_AV; | |
5d9574c1 | 890 | if (UNLIKELY(SvSMAGICAL(ARG0_SV))) { |
b492a59e DM |
891 | PL_localizing = 2; |
892 | mg_set(ARG0_SV); | |
893 | PL_localizing = 0; | |
894 | } | |
4a9a56a7 | 895 | SvREFCNT_dec_NN(ARG1_GV); |
8aacddc1 NIS |
896 | break; |
897 | case SAVEt_HV: /* hash reference */ | |
03dba561 DM |
898 | SvREFCNT_dec(GvHV(ARG1_GV)); |
899 | GvHV(ARG1_GV) = ARG0_HV; | |
5d9574c1 | 900 | if (UNLIKELY(SvSMAGICAL(ARG0_SV))) { |
b492a59e DM |
901 | PL_localizing = 2; |
902 | mg_set(ARG0_SV); | |
903 | PL_localizing = 0; | |
904 | } | |
4a9a56a7 | 905 | SvREFCNT_dec_NN(ARG1_GV); |
8aacddc1 | 906 | break; |
994d373a | 907 | case SAVEt_INT_SMALL: |
03dba561 | 908 | *(int*)ARG0_PTR = (int)(uv >> SAVE_TIGHT_SHIFT); |
994d373a | 909 | break; |
79072805 | 910 | case SAVEt_INT: /* int reference */ |
03dba561 | 911 | *(int*)ARG0_PTR = (int)ARG1_I32; |
79072805 | 912 | break; |
e8eb279c FC |
913 | case SAVEt_STRLEN: /* STRLEN/size_t ref */ |
914 | *(STRLEN*)ARG0_PTR = (STRLEN)arg1.any_iv; | |
915 | break; | |
9febdf04 | 916 | case SAVEt_BOOL: /* bool reference */ |
03dba561 | 917 | *(bool*)ARG0_PTR = cBOOL(uv >> 8); |
9a9b5ec9 DM |
918 | #ifdef NO_TAINT_SUPPORT |
919 | PERL_UNUSED_VAR(was); | |
920 | #else | |
5d9574c1 | 921 | if (UNLIKELY(ARG0_PTR == &(TAINT_get))) { |
b6f93e7a KW |
922 | /* If we don't update <was>, to reflect what was saved on the |
923 | * stack for PL_tainted, then we will overwrite this attempt to | |
924 | * restore it when we exit this routine. Note that this won't | |
925 | * work if this value was saved in a wider-than necessary type, | |
926 | * such as I32 */ | |
03dba561 | 927 | was = *(bool*)ARG0_PTR; |
b6f93e7a | 928 | } |
284167a5 | 929 | #endif |
9febdf04 | 930 | break; |
89abef21 | 931 | case SAVEt_I32_SMALL: |
03dba561 | 932 | *(I32*)ARG0_PTR = (I32)(uv >> SAVE_TIGHT_SHIFT); |
89abef21 | 933 | break; |
79072805 | 934 | case SAVEt_I32: /* I32 reference */ |
3235b7a3 | 935 | #ifdef PERL_DEBUG_READONLY_OPS |
03dba561 | 936 | if (*(I32*)ARG0_PTR != ARG1_I32) |
3235b7a3 | 937 | #endif |
03dba561 | 938 | *(I32*)ARG0_PTR = ARG1_I32; |
79072805 LW |
939 | break; |
940 | case SAVEt_SPTR: /* SV* reference */ | |
03dba561 | 941 | *(SV**)(ARG0_PTR)= ARG1_SV; |
79072805 | 942 | break; |
146174a9 | 943 | case SAVEt_VPTR: /* random* reference */ |
85e6fe83 | 944 | case SAVEt_PPTR: /* char* reference */ |
03dba561 | 945 | *ARG0_PVP = ARG1_PV; |
85e6fe83 | 946 | break; |
79072805 | 947 | case SAVEt_HPTR: /* HV* reference */ |
03dba561 | 948 | *(HV**)ARG0_PTR = MUTABLE_HV(ARG1_PTR); |
79072805 LW |
949 | break; |
950 | case SAVEt_APTR: /* AV* reference */ | |
03dba561 | 951 | *(AV**)ARG0_PTR = ARG1_AV; |
79072805 | 952 | break; |
fb73857a | 953 | case SAVEt_GP: /* scalar reference */ |
03dba561 DM |
954 | { |
955 | HV *hv; | |
956 | /* possibly taking a method out of circulation */ | |
957 | const bool had_method = !!GvCVu(ARG1_GV); | |
958 | gp_free(ARG1_GV); | |
959 | GvGP_set(ARG1_GV, (GP*)ARG0_PTR); | |
960 | if ((hv=GvSTASH(ARG1_GV)) && HvENAME_get(hv)) { | |
961 | if ( GvNAMELEN(ARG1_GV) == 3 | |
962 | && strnEQ(GvNAME(ARG1_GV), "ISA", 3) | |
963 | ) | |
964 | mro_isa_changed_in(hv); | |
965 | else if (had_method || GvCVu(ARG1_GV)) | |
966 | /* putting a method back into circulation ("local")*/ | |
967 | gv_method_changed(ARG1_GV); | |
3d460042 | 968 | } |
4a9a56a7 | 969 | SvREFCNT_dec_NN(ARG1_GV); |
8aacddc1 | 970 | break; |
03dba561 | 971 | } |
8990e307 | 972 | case SAVEt_FREESV: |
03dba561 | 973 | SvREFCNT_dec(ARG0_SV); |
8990e307 | 974 | break; |
0f94cb1f FC |
975 | case SAVEt_FREEPADNAME: |
976 | PadnameREFCNT_dec((PADNAME *)ARG0_PTR); | |
977 | break; | |
3987a177 | 978 | case SAVEt_FREECOPHH: |
03dba561 | 979 | cophh_free((COPHH *)ARG0_PTR); |
3987a177 | 980 | break; |
26d9b02f | 981 | case SAVEt_MORTALIZESV: |
03dba561 | 982 | sv_2mortal(ARG0_SV); |
26d9b02f | 983 | break; |
8990e307 | 984 | case SAVEt_FREEOP: |
5e5ba94b | 985 | ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); |
03dba561 | 986 | op_free((OP*)ARG0_PTR); |
8990e307 LW |
987 | break; |
988 | case SAVEt_FREEPV: | |
03dba561 | 989 | Safefree(ARG0_PTR); |
8990e307 | 990 | break; |
4e09461c | 991 | |
4e09461c DM |
992 | case SAVEt_CLEARPADRANGE: |
993 | i = (I32)((uv >> SAVE_TIGHT_SHIFT) & OPpPADRANGE_COUNTMASK); | |
994 | svp = &PL_curpad[uv >> | |
995 | (OPpPADRANGE_COUNTSHIFT + SAVE_TIGHT_SHIFT)] + i - 1; | |
996 | goto clearsv; | |
8990e307 | 997 | case SAVEt_CLEARSV: |
4e09461c DM |
998 | svp = &PL_curpad[uv >> SAVE_TIGHT_SHIFT]; |
999 | i = 1; | |
1000 | clearsv: | |
1001 | for (; i; i--, svp--) { | |
528ad060 DM |
1002 | sv = *svp; |
1003 | ||
1004 | DEBUG_Xv(PerlIO_printf(Perl_debug_log, | |
1005 | "Pad 0x%"UVxf"[0x%"UVxf"] clearsv: %ld sv=0x%"UVxf"<%"IVdf"> %s\n", | |
1006 | PTR2UV(PL_comppad), PTR2UV(PL_curpad), | |
1007 | (long)(svp-PL_curpad), PTR2UV(sv), (IV)SvREFCNT(sv), | |
1008 | (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon" | |
1009 | )); | |
1010 | ||
1011 | /* Can clear pad variable in place? */ | |
9af15990 | 1012 | if (SvREFCNT(sv) == 1 && !SvOBJECT(sv)) { |
a07f0bef | 1013 | |
a07f0bef DM |
1014 | /* these flags are the union of all the relevant flags |
1015 | * in the individual conditions within */ | |
1016 | if (UNLIKELY(SvFLAGS(sv) & ( | |
a623f893 | 1017 | SVf_READONLY|SVf_PROTECT /*for SvREADONLY_off*/ |
a07f0bef | 1018 | | (SVs_GMG|SVs_SMG|SVs_RMG) /* SvMAGICAL() */ |
7532eaae | 1019 | | SVf_OOK |
a07f0bef DM |
1020 | | SVf_THINKFIRST))) |
1021 | { | |
7500fc82 DM |
1022 | /* if a my variable that was made readonly is |
1023 | * going out of scope, we want to remove the | |
1024 | * readonlyness so that it can go out of scope | |
1025 | * quietly | |
1026 | */ | |
57c404c9 | 1027 | if (SvREADONLY(sv)) |
7500fc82 DM |
1028 | SvREADONLY_off(sv); |
1029 | ||
7532eaae DM |
1030 | if (SvOOK(sv)) { /* OOK or HvAUX */ |
1031 | if (SvTYPE(sv) == SVt_PVHV) | |
1032 | Perl_hv_kill_backrefs(aTHX_ MUTABLE_HV(sv)); | |
1033 | else | |
1034 | sv_backoff(sv); | |
1035 | } | |
1036 | ||
7500fc82 | 1037 | if (SvMAGICAL(sv)) { |
7532eaae DM |
1038 | /* note that backrefs (either in HvAUX or magic) |
1039 | * must be removed before other magic */ | |
7500fc82 DM |
1040 | sv_unmagic(sv, PERL_MAGIC_backref); |
1041 | if (SvTYPE(sv) != SVt_PVCV) | |
1042 | mg_free(sv); | |
1043 | } | |
1044 | if (SvTHINKFIRST(sv)) | |
1045 | sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF | |
1046 | |SV_COW_DROP_PV); | |
528ad060 | 1047 | |
a07f0bef | 1048 | } |
528ad060 DM |
1049 | switch (SvTYPE(sv)) { |
1050 | case SVt_NULL: | |
1051 | break; | |
1052 | case SVt_PVAV: | |
1053 | av_clear(MUTABLE_AV(sv)); | |
1054 | break; | |
1055 | case SVt_PVHV: | |
1056 | hv_clear(MUTABLE_HV(sv)); | |
1057 | break; | |
1058 | case SVt_PVCV: | |
1059 | { | |
db5cc3ee | 1060 | HEK *hek = |
db5cc3ee | 1061 | CvNAMED(sv) |
9c98a81f FC |
1062 | ? CvNAME_HEK((CV *)sv) |
1063 | : GvNAME_HEK(CvGV(sv)); | |
528ad060 | 1064 | assert(hek); |
6110d17a | 1065 | (void)share_hek_hek(hek); |
528ad060 DM |
1066 | cv_undef((CV *)sv); |
1067 | CvNAME_HEK_set(sv, hek); | |
f3feca7a | 1068 | CvLEXICAL_on(sv); |
528ad060 DM |
1069 | break; |
1070 | } | |
1071 | default: | |
c79d0076 NC |
1072 | /* This looks odd, but these two macros are for use in |
1073 | expressions and finish with a trailing comma, so | |
1074 | adding a ; after them would be wrong. */ | |
1075 | assert_not_ROK(sv) | |
1076 | assert_not_glob(sv) | |
5c85b638 | 1077 | SvFLAGS(sv) &=~ (SVf_OK|SVf_IVisUV|SVf_UTF8); |
528ad060 DM |
1078 | break; |
1079 | } | |
82e85a9c | 1080 | SvPADTMP_off(sv); |
528ad060 DM |
1081 | SvPADSTALE_on(sv); /* mark as no longer live */ |
1082 | } | |
1083 | else { /* Someone has a claim on this, so abandon it. */ | |
528ad060 DM |
1084 | switch (SvTYPE(sv)) { /* Console ourselves with a new value */ |
1085 | case SVt_PVAV: *svp = MUTABLE_SV(newAV()); break; | |
1086 | case SVt_PVHV: *svp = MUTABLE_SV(newHV()); break; | |
1087 | case SVt_PVCV: | |
1088 | { | |
9c98a81f FC |
1089 | HEK * const hek = CvNAMED(sv) |
1090 | ? CvNAME_HEK((CV *)sv) | |
1091 | : GvNAME_HEK(CvGV(sv)); | |
1092 | ||
528ad060 DM |
1093 | /* Create a stub */ |
1094 | *svp = newSV_type(SVt_PVCV); | |
1095 | ||
1096 | /* Share name */ | |
528ad060 | 1097 | CvNAME_HEK_set(*svp, |
9c98a81f | 1098 | share_hek_hek(hek)); |
f3feca7a | 1099 | CvLEXICAL_on(*svp); |
528ad060 DM |
1100 | break; |
1101 | } | |
1102 | default: *svp = newSV(0); break; | |
1103 | } | |
4a9a56a7 | 1104 | SvREFCNT_dec_NN(sv); /* Cast current value to the winds. */ |
528ad060 DM |
1105 | /* preserve pad nature, but also mark as not live |
1106 | * for any closure capturing */ | |
145bf8ee | 1107 | SvFLAGS(*svp) |= SVs_PADSTALE; |
528ad060 | 1108 | } |
4e09461c | 1109 | } |
8990e307 LW |
1110 | break; |
1111 | case SAVEt_DELETE: | |
03dba561 DM |
1112 | (void)hv_delete(ARG0_HV, ARG2_PV, ARG1_I32, G_DISCARD); |
1113 | SvREFCNT_dec(ARG0_HV); | |
1114 | Safefree(arg2.any_ptr); | |
8990e307 | 1115 | break; |
c68ec7a9 | 1116 | case SAVEt_ADELETE: |
c70927a6 | 1117 | (void)av_delete(ARG0_AV, arg1.any_iv, G_DISCARD); |
03dba561 | 1118 | SvREFCNT_dec(ARG0_AV); |
c68ec7a9 | 1119 | break; |
146174a9 | 1120 | case SAVEt_DESTRUCTOR_X: |
03dba561 | 1121 | (*arg1.any_dxptr)(aTHX_ ARG0_PTR); |
a0d0e21e LW |
1122 | break; |
1123 | case SAVEt_REGCONTEXT: | |
e0fa7e2b | 1124 | /* regexp must have croaked */ |
455ece5e | 1125 | case SAVEt_ALLOC: |
1be36ce0 | 1126 | PL_savestack_ix -= uv >> SAVE_TIGHT_SHIFT; |
a0d0e21e | 1127 | break; |
55497cff | 1128 | case SAVEt_STACK_POS: /* Position on Perl stack */ |
03dba561 | 1129 | PL_stack_sp = PL_stack_base + arg0.any_i32; |
55497cff | 1130 | break; |
161b7d16 | 1131 | case SAVEt_AELEM: /* array element */ |
c70927a6 | 1132 | svp = av_fetch(ARG2_AV, arg1.any_iv, 1); |
5d9574c1 | 1133 | if (UNLIKELY(!AvREAL(ARG2_AV) && AvREIFY(ARG2_AV))) /* undo reify guard */ |
03dba561 | 1134 | SvREFCNT_dec(ARG0_SV); |
5d9574c1 | 1135 | if (LIKELY(svp)) { |
03dba561 | 1136 | SV * const sv = *svp; |
5d9574c1 DM |
1137 | if (LIKELY(sv && sv != &PL_sv_undef)) { |
1138 | if (UNLIKELY(SvTIED_mg((const SV *)ARG2_AV, PERL_MAGIC_tied))) | |
b37c2d43 | 1139 | SvREFCNT_inc_void_NN(sv); |
03dba561 | 1140 | refsv = ARG2_SV; |
4e4c362e GS |
1141 | goto restore_sv; |
1142 | } | |
1143 | } | |
03dba561 DM |
1144 | SvREFCNT_dec(ARG2_AV); |
1145 | SvREFCNT_dec(ARG0_SV); | |
4e4c362e | 1146 | break; |
161b7d16 | 1147 | case SAVEt_HELEM: /* hash element */ |
03dba561 DM |
1148 | { |
1149 | HE * const he = hv_fetch_ent(ARG2_HV, ARG1_SV, 1, 0); | |
1150 | SvREFCNT_dec(ARG1_SV); | |
5d9574c1 | 1151 | if (LIKELY(he)) { |
03dba561 | 1152 | const SV * const oval = HeVAL(he); |
5d9574c1 | 1153 | if (LIKELY(oval && oval != &PL_sv_undef)) { |
03dba561 | 1154 | svp = &HeVAL(he); |
5d9574c1 | 1155 | if (UNLIKELY(SvTIED_mg((const SV *)ARG2_HV, PERL_MAGIC_tied))) |
03dba561 DM |
1156 | SvREFCNT_inc_void(*svp); |
1157 | refsv = ARG2_SV; /* what to refcnt_dec */ | |
4e4c362e GS |
1158 | goto restore_sv; |
1159 | } | |
1160 | } | |
03dba561 DM |
1161 | SvREFCNT_dec(ARG2_HV); |
1162 | SvREFCNT_dec(ARG0_SV); | |
4e4c362e | 1163 | break; |
03dba561 | 1164 | } |
462e5cf6 | 1165 | case SAVEt_OP: |
03dba561 | 1166 | PL_op = (OP*)ARG0_PTR; |
462e5cf6 | 1167 | break; |
25eaa213 | 1168 | case SAVEt_HINTS: |
3607ca02 FC |
1169 | if ((PL_hints & HINT_LOCALIZE_HH)) { |
1170 | while (GvHV(PL_hintgv)) { | |
2653c1e3 | 1171 | HV *hv = GvHV(PL_hintgv); |
045ac317 | 1172 | GvHV(PL_hintgv) = NULL; |
2653c1e3 | 1173 | SvREFCNT_dec(MUTABLE_SV(hv)); |
3607ca02 | 1174 | } |
045ac317 | 1175 | } |
20439bc7 | 1176 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
03dba561 DM |
1177 | CopHINTHASH_set(&PL_compiling, (COPHH*)ARG0_PTR); |
1178 | *(I32*)&PL_hints = ARG1_I32; | |
dfa41748 | 1179 | if (PL_hints & HINT_LOCALIZE_HH) { |
ad64d0ec | 1180 | SvREFCNT_dec(MUTABLE_SV(GvHV(PL_hintgv))); |
85fbaab2 | 1181 | GvHV(PL_hintgv) = MUTABLE_HV(SSPOPPTR); |
2653c1e3 DM |
1182 | } |
1183 | if (!GvHV(PL_hintgv)) { | |
a3fb8386 FC |
1184 | /* Need to add a new one manually, else rv2hv can |
1185 | add one via GvHVn and it won't have the magic set. */ | |
5b9c0671 NC |
1186 | HV *const hv = newHV(); |
1187 | hv_magic(hv, NULL, PERL_MAGIC_hints); | |
1188 | GvHV(PL_hintgv) = hv; | |
dfa41748 | 1189 | } |
5b9c0671 | 1190 | assert(GvHV(PL_hintgv)); |
b3ac6de7 | 1191 | break; |
cb50131a | 1192 | case SAVEt_COMPPAD: |
03dba561 | 1193 | PL_comppad = (PAD*)ARG0_PTR; |
5d9574c1 | 1194 | if (LIKELY(PL_comppad)) |
cb50131a CB |
1195 | PL_curpad = AvARRAY(PL_comppad); |
1196 | else | |
4608196e | 1197 | PL_curpad = NULL; |
cb50131a | 1198 | break; |
09edbca0 | 1199 | case SAVEt_PADSV_AND_MORTALIZE: |
c3564e5c | 1200 | { |
09edbca0 | 1201 | SV **svp; |
03dba561 DM |
1202 | assert (ARG1_PTR); |
1203 | svp = AvARRAY((PAD*)ARG1_PTR) + (PADOFFSET)arg0.any_uv; | |
09edbca0 NC |
1204 | /* This mortalizing used to be done by POPLOOP() via itersave. |
1205 | But as we have all the information here, we can do it here, | |
1206 | save even having to have itersave in the struct. */ | |
1207 | sv_2mortal(*svp); | |
03dba561 | 1208 | *svp = ARG2_SV; |
c3564e5c GS |
1209 | } |
1210 | break; | |
8b7059b1 DM |
1211 | case SAVEt_SAVESWITCHSTACK: |
1212 | { | |
1213 | dSP; | |
03dba561 DM |
1214 | SWITCHSTACK(ARG0_AV, ARG1_AV); |
1215 | PL_curstackinfo->si_stack = ARG1_AV; | |
8b7059b1 DM |
1216 | } |
1217 | break; | |
14f338dc | 1218 | case SAVEt_SET_SVFLAGS: |
03dba561 DM |
1219 | SvFLAGS(ARG2_SV) &= ~((U32)ARG1_I32); |
1220 | SvFLAGS(ARG2_SV) |= (U32)ARG0_I32; | |
14f338dc | 1221 | break; |
95e06916 | 1222 | |
95e06916 NC |
1223 | /* These are only saved in mathoms.c */ |
1224 | case SAVEt_NSTAB: | |
03dba561 | 1225 | (void)sv_clear(ARG0_SV); |
95e06916 | 1226 | break; |
2053acbf | 1227 | case SAVEt_LONG: /* long reference */ |
03dba561 | 1228 | *(long*)ARG0_PTR = arg1.any_long; |
2053acbf | 1229 | break; |
95e06916 | 1230 | case SAVEt_IV: /* IV reference */ |
03dba561 | 1231 | *(IV*)ARG0_PTR = arg1.any_iv; |
95e06916 NC |
1232 | break; |
1233 | ||
2053acbf | 1234 | case SAVEt_I16: /* I16 reference */ |
03dba561 | 1235 | *(I16*)ARG0_PTR = (I16)(uv >> 8); |
2053acbf NC |
1236 | break; |
1237 | case SAVEt_I8: /* I8 reference */ | |
03dba561 | 1238 | *(I8*)ARG0_PTR = (I8)(uv >> 8); |
2053acbf | 1239 | break; |
2053acbf | 1240 | case SAVEt_DESTRUCTOR: |
03dba561 | 1241 | (*arg1.any_dptr)(ARG0_PTR); |
2053acbf | 1242 | break; |
68da3b2f | 1243 | case SAVEt_COMPILE_WARNINGS: |
68da3b2f NC |
1244 | if (!specialWARN(PL_compiling.cop_warnings)) |
1245 | PerlMemShared_free(PL_compiling.cop_warnings); | |
72dc9ed5 | 1246 | |
03dba561 | 1247 | PL_compiling.cop_warnings = (STRLEN*)ARG0_PTR; |
72dc9ed5 | 1248 | break; |
7c197c94 | 1249 | case SAVEt_PARSER: |
03dba561 | 1250 | parser_free((yy_parser *) ARG0_PTR); |
7c197c94 | 1251 | break; |
20d5dc23 FC |
1252 | case SAVEt_READONLY_OFF: |
1253 | SvREADONLY_off(ARG0_SV); | |
1254 | break; | |
ff2a62e0 FC |
1255 | case SAVEt_GP_ALIASED_SV: { |
1256 | /* The GP may have been abandoned, leaving the savestack with | |
1257 | the only remaining reference to it. */ | |
1258 | GP * const gp = (GP *)ARG0_PTR; | |
1259 | if (gp->gp_refcnt == 1) { | |
1260 | GV * const gv = (GV *)sv_2mortal(newSV_type(SVt_PVGV)); | |
c997e362 | 1261 | isGV_with_GP_on(gv); |
ff2a62e0 FC |
1262 | GvGP_set(gv,gp); |
1263 | gp_free(gv); | |
c997e362 | 1264 | isGV_with_GP_off(gv); |
ff2a62e0 FC |
1265 | } |
1266 | else { | |
1267 | gp->gp_refcnt--; | |
1268 | if (uv >> 8) gp->gp_flags |= GPf_ALIASED_SV; | |
1269 | else gp->gp_flags &= ~GPf_ALIASED_SV; | |
1270 | } | |
1271 | break; | |
1272 | } | |
79072805 | 1273 | default: |
5637ef5b | 1274 | Perl_croak(aTHX_ "panic: leave_scope inconsistency %u", type); |
79072805 LW |
1275 | } |
1276 | } | |
302c0c93 | 1277 | |
284167a5 | 1278 | TAINT_set(was); |
79072805 | 1279 | } |
8990e307 | 1280 | |
8990e307 | 1281 | void |
864dbfa3 | 1282 | Perl_cx_dump(pTHX_ PERL_CONTEXT *cx) |
8990e307 | 1283 | { |
7918f24d NC |
1284 | PERL_ARGS_ASSERT_CX_DUMP; |
1285 | ||
35ff7856 | 1286 | #ifdef DEBUGGING |
22c35a8c | 1287 | PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]); |
6b35e009 | 1288 | if (CxTYPE(cx) != CXt_SUBST) { |
e8d9e9d0 | 1289 | const char *gimme_text; |
760ac839 | 1290 | PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp); |
146174a9 CB |
1291 | PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n", |
1292 | PTR2UV(cx->blk_oldcop)); | |
760ac839 LW |
1293 | PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp); |
1294 | PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp); | |
146174a9 CB |
1295 | PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n", |
1296 | PTR2UV(cx->blk_oldpm)); | |
e8d9e9d0 VP |
1297 | switch (cx->blk_gimme) { |
1298 | case G_VOID: | |
1299 | gimme_text = "VOID"; | |
1300 | break; | |
1301 | case G_SCALAR: | |
1302 | gimme_text = "SCALAR"; | |
1303 | break; | |
1304 | case G_ARRAY: | |
1305 | gimme_text = "LIST"; | |
1306 | break; | |
1307 | default: | |
1308 | gimme_text = "UNKNOWN"; | |
1309 | break; | |
1310 | } | |
1311 | PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", gimme_text); | |
8990e307 | 1312 | } |
6b35e009 | 1313 | switch (CxTYPE(cx)) { |
8990e307 LW |
1314 | case CXt_NULL: |
1315 | case CXt_BLOCK: | |
1316 | break; | |
146174a9 | 1317 | case CXt_FORMAT: |
f9c764c5 NC |
1318 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.CV = 0x%"UVxf"\n", |
1319 | PTR2UV(cx->blk_format.cv)); | |
1320 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.GV = 0x%"UVxf"\n", | |
1321 | PTR2UV(cx->blk_format.gv)); | |
1322 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.DFOUTGV = 0x%"UVxf"\n", | |
1323 | PTR2UV(cx->blk_format.dfoutgv)); | |
1324 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.HASARGS = %d\n", | |
bafb2adc | 1325 | (int)CxHASARGS(cx)); |
f9c764c5 NC |
1326 | PerlIO_printf(Perl_debug_log, "BLK_FORMAT.RETOP = 0x%"UVxf"\n", |
1327 | PTR2UV(cx->blk_format.retop)); | |
146174a9 | 1328 | break; |
8990e307 | 1329 | case CXt_SUB: |
146174a9 CB |
1330 | PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n", |
1331 | PTR2UV(cx->blk_sub.cv)); | |
760ac839 | 1332 | PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n", |
8990e307 | 1333 | (long)cx->blk_sub.olddepth); |
760ac839 | 1334 | PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n", |
bafb2adc NC |
1335 | (int)CxHASARGS(cx)); |
1336 | PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n", (int)CxLVAL(cx)); | |
f39bc417 DM |
1337 | PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n", |
1338 | PTR2UV(cx->blk_sub.retop)); | |
8990e307 LW |
1339 | break; |
1340 | case CXt_EVAL: | |
760ac839 | 1341 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n", |
85a64632 | 1342 | (long)CxOLD_IN_EVAL(cx)); |
760ac839 | 1343 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n", |
85a64632 NC |
1344 | PL_op_name[CxOLD_OP_TYPE(cx)], |
1345 | PL_op_desc[CxOLD_OP_TYPE(cx)]); | |
0f79a09d GS |
1346 | if (cx->blk_eval.old_namesv) |
1347 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n", | |
aa07b2f6 | 1348 | SvPVX_const(cx->blk_eval.old_namesv)); |
146174a9 CB |
1349 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n", |
1350 | PTR2UV(cx->blk_eval.old_eval_root)); | |
f39bc417 DM |
1351 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.RETOP = 0x%"UVxf"\n", |
1352 | PTR2UV(cx->blk_eval.retop)); | |
8990e307 LW |
1353 | break; |
1354 | ||
c6fdafd0 | 1355 | case CXt_LOOP_LAZYIV: |
d01136d6 | 1356 | case CXt_LOOP_LAZYSV: |
3b719c58 NC |
1357 | case CXt_LOOP_FOR: |
1358 | case CXt_LOOP_PLAIN: | |
0cbdab38 | 1359 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n", CxLABEL(cx)); |
760ac839 | 1360 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n", |
8990e307 | 1361 | (long)cx->blk_loop.resetsp); |
022eaa24 NC |
1362 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.MY_OP = 0x%"UVxf"\n", |
1363 | PTR2UV(cx->blk_loop.my_op)); | |
d01136d6 | 1364 | /* XXX: not accurate for LAZYSV/IV */ |
146174a9 | 1365 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n", |
d01136d6 BS |
1366 | PTR2UV(cx->blk_loop.state_u.ary.ary)); |
1367 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n", | |
1368 | (long)cx->blk_loop.state_u.ary.ix); | |
146174a9 CB |
1369 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n", |
1370 | PTR2UV(CxITERVAR(cx))); | |
8990e307 LW |
1371 | break; |
1372 | ||
1373 | case CXt_SUBST: | |
760ac839 | 1374 | PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n", |
8990e307 | 1375 | (long)cx->sb_iters); |
760ac839 | 1376 | PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n", |
8990e307 | 1377 | (long)cx->sb_maxiters); |
35ef4773 GS |
1378 | PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n", |
1379 | (long)cx->sb_rflags); | |
760ac839 | 1380 | PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n", |
c5bed6a7 | 1381 | (long)CxONCE(cx)); |
760ac839 | 1382 | PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n", |
8990e307 | 1383 | cx->sb_orig); |
146174a9 CB |
1384 | PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%"UVxf"\n", |
1385 | PTR2UV(cx->sb_dstr)); | |
1386 | PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%"UVxf"\n", | |
1387 | PTR2UV(cx->sb_targ)); | |
1388 | PerlIO_printf(Perl_debug_log, "SB_S = 0x%"UVxf"\n", | |
1389 | PTR2UV(cx->sb_s)); | |
1390 | PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n", | |
1391 | PTR2UV(cx->sb_m)); | |
1392 | PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%"UVxf"\n", | |
1393 | PTR2UV(cx->sb_strend)); | |
1394 | PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%"UVxf"\n", | |
1395 | PTR2UV(cx->sb_rxres)); | |
8990e307 LW |
1396 | break; |
1397 | } | |
65e66c80 | 1398 | #else |
96a5add6 | 1399 | PERL_UNUSED_CONTEXT; |
65e66c80 | 1400 | PERL_UNUSED_ARG(cx); |
17c3b450 | 1401 | #endif /* DEBUGGING */ |
35ff7856 | 1402 | } |
241d1a3b NC |
1403 | |
1404 | /* | |
14d04a33 | 1405 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 1406 | */ |