Commit | Line | Data |
a0d0e21e |
1 | /* scope.c |
79072805 |
2 | * |
be3c0a43 |
3 | * Copyright (c) 1991-2002, Larry Wall |
79072805 |
4 | * |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. |
7 | * |
a0d0e21e |
8 | */ |
9 | |
10 | /* |
11 | * "For the fashion of Minas Tirith was such that it was built on seven |
12 | * levels..." |
79072805 |
13 | */ |
14 | |
15 | #include "EXTERN.h" |
864dbfa3 |
16 | #define PERL_IN_SCOPE_C |
79072805 |
17 | #include "perl.h" |
18 | |
14dd3ad8 |
19 | #if defined(PERL_FLEXIBLE_EXCEPTIONS) |
312caa8e |
20 | void * |
146174a9 |
21 | Perl_default_protect(pTHX_ volatile JMPENV *pcur_env, int *excpt, |
22 | protect_body_t body, ...) |
312caa8e |
23 | { |
c5be433b |
24 | void *ret; |
25 | va_list args; |
26 | va_start(args, body); |
146174a9 |
27 | ret = vdefault_protect(pcur_env, excpt, body, &args); |
c5be433b |
28 | va_end(args); |
29 | return ret; |
30 | } |
31 | |
32 | void * |
146174a9 |
33 | Perl_vdefault_protect(pTHX_ volatile JMPENV *pcur_env, int *excpt, |
34 | protect_body_t body, va_list *args) |
c5be433b |
35 | { |
312caa8e |
36 | int ex; |
37 | void *ret; |
38 | |
312caa8e |
39 | JMPENV_PUSH(ex); |
40 | if (ex) |
41 | ret = NULL; |
c5be433b |
42 | else |
43 | ret = CALL_FPTR(body)(aTHX_ *args); |
a6c40364 |
44 | *excpt = ex; |
312caa8e |
45 | JMPENV_POP; |
46 | return ret; |
47 | } |
14dd3ad8 |
48 | #endif |
312caa8e |
49 | |
a0d0e21e |
50 | SV** |
864dbfa3 |
51 | Perl_stack_grow(pTHX_ SV **sp, SV **p, int n) |
a0d0e21e |
52 | { |
3280af22 |
53 | PL_stack_sp = sp; |
2ce36478 |
54 | #ifndef STRESS_REALLOC |
3280af22 |
55 | av_extend(PL_curstack, (p - PL_stack_base) + (n) + 128); |
2ce36478 |
56 | #else |
6b88bc9c |
57 | av_extend(PL_curstack, (p - PL_stack_base) + (n) + 1); |
2ce36478 |
58 | #endif |
3280af22 |
59 | return PL_stack_sp; |
a0d0e21e |
60 | } |
61 | |
2ce36478 |
62 | #ifndef STRESS_REALLOC |
63 | #define GROW(old) ((old) * 3 / 2) |
64 | #else |
65 | #define GROW(old) ((old) + 1) |
66 | #endif |
67 | |
e336de0d |
68 | PERL_SI * |
864dbfa3 |
69 | Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems) |
e336de0d |
70 | { |
71 | PERL_SI *si; |
e336de0d |
72 | New(56, si, 1, PERL_SI); |
73 | si->si_stack = newAV(); |
74 | AvREAL_off(si->si_stack); |
75 | av_extend(si->si_stack, stitems > 0 ? stitems-1 : 0); |
3280af22 |
76 | AvALLOC(si->si_stack)[0] = &PL_sv_undef; |
e336de0d |
77 | AvFILLp(si->si_stack) = 0; |
78 | si->si_prev = 0; |
79 | si->si_next = 0; |
80 | si->si_cxmax = cxitems - 1; |
81 | si->si_cxix = -1; |
e788e7d3 |
82 | si->si_type = PERLSI_UNDEF; |
9965345d |
83 | New(56, si->si_cxstack, cxitems, PERL_CONTEXT); |
84 | /* Without any kind of initialising PUSHSUBST() |
85 | * in pp_subst() will read uninitialised heap. */ |
86 | Poison(si->si_cxstack, cxitems, PERL_CONTEXT); |
e336de0d |
87 | return si; |
88 | } |
89 | |
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90 | I32 |
864dbfa3 |
91 | Perl_cxinc(pTHX) |
79072805 |
92 | { |
4fc93207 |
93 | IV old_max = cxstack_max; |
2ce36478 |
94 | cxstack_max = GROW(cxstack_max); |
c09156bb |
95 | Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); /* XXX should fix CXINC macro */ |
9965345d |
96 | /* Without any kind of initialising deep enough recursion |
97 | * will end up reading uninitialised PERL_CONTEXTs. */ |
98 | Poison(cxstack + old_max + 1, cxstack_max - old_max, PERL_CONTEXT); |
79072805 |
99 | return cxstack_ix + 1; |
100 | } |
101 | |
102 | void |
864dbfa3 |
103 | Perl_push_return(pTHX_ OP *retop) |
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104 | { |
3280af22 |
105 | if (PL_retstack_ix == PL_retstack_max) { |
106 | PL_retstack_max = GROW(PL_retstack_max); |
107 | Renew(PL_retstack, PL_retstack_max, OP*); |
79072805 |
108 | } |
3280af22 |
109 | PL_retstack[PL_retstack_ix++] = retop; |
79072805 |
110 | } |
111 | |
112 | OP * |
864dbfa3 |
113 | Perl_pop_return(pTHX) |
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114 | { |
3280af22 |
115 | if (PL_retstack_ix > 0) |
116 | return PL_retstack[--PL_retstack_ix]; |
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117 | else |
118 | return Nullop; |
119 | } |
120 | |
121 | void |
864dbfa3 |
122 | Perl_push_scope(pTHX) |
79072805 |
123 | { |
3280af22 |
124 | if (PL_scopestack_ix == PL_scopestack_max) { |
125 | PL_scopestack_max = GROW(PL_scopestack_max); |
126 | Renew(PL_scopestack, PL_scopestack_max, I32); |
79072805 |
127 | } |
3280af22 |
128 | PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix; |
79072805 |
129 | |
130 | } |
131 | |
132 | void |
864dbfa3 |
133 | Perl_pop_scope(pTHX) |
79072805 |
134 | { |
3280af22 |
135 | I32 oldsave = PL_scopestack[--PL_scopestack_ix]; |
8990e307 |
136 | LEAVE_SCOPE(oldsave); |
79072805 |
137 | } |
138 | |
139 | void |
864dbfa3 |
140 | Perl_markstack_grow(pTHX) |
a0d0e21e |
141 | { |
3280af22 |
142 | I32 oldmax = PL_markstack_max - PL_markstack; |
2ce36478 |
143 | I32 newmax = GROW(oldmax); |
a0d0e21e |
144 | |
3280af22 |
145 | Renew(PL_markstack, newmax, I32); |
146 | PL_markstack_ptr = PL_markstack + oldmax; |
147 | PL_markstack_max = PL_markstack + newmax; |
a0d0e21e |
148 | } |
149 | |
150 | void |
864dbfa3 |
151 | Perl_savestack_grow(pTHX) |
79072805 |
152 | { |
8aacddc1 |
153 | PL_savestack_max = GROW(PL_savestack_max) + 4; |
3280af22 |
154 | Renew(PL_savestack, PL_savestack_max, ANY); |
79072805 |
155 | } |
156 | |
2ce36478 |
157 | #undef GROW |
158 | |
79072805 |
159 | void |
864dbfa3 |
160 | Perl_tmps_grow(pTHX_ I32 n) |
677b06e3 |
161 | { |
677b06e3 |
162 | #ifndef STRESS_REALLOC |
163 | if (n < 128) |
164 | n = (PL_tmps_max < 512) ? 128 : 512; |
165 | #endif |
166 | PL_tmps_max = PL_tmps_ix + n + 1; |
167 | Renew(PL_tmps_stack, PL_tmps_max, SV*); |
168 | } |
169 | |
170 | |
171 | void |
864dbfa3 |
172 | Perl_free_tmps(pTHX) |
79072805 |
173 | { |
174 | /* XXX should tmps_floor live in cxstack? */ |
3280af22 |
175 | I32 myfloor = PL_tmps_floor; |
176 | while (PL_tmps_ix > myfloor) { /* clean up after last statement */ |
177 | SV* sv = PL_tmps_stack[PL_tmps_ix]; |
178 | PL_tmps_stack[PL_tmps_ix--] = Nullsv; |
8aacddc1 |
179 | if (sv && sv != &PL_sv_undef) { |
463ee0b2 |
180 | SvTEMP_off(sv); |
8990e307 |
181 | SvREFCNT_dec(sv); /* note, can modify tmps_ix!!! */ |
463ee0b2 |
182 | } |
79072805 |
183 | } |
184 | } |
185 | |
76e3520e |
186 | STATIC SV * |
cea2e8a9 |
187 | S_save_scalar_at(pTHX_ SV **sptr) |
79072805 |
188 | { |
189 | register SV *sv; |
7a4c00b4 |
190 | SV *osv = *sptr; |
79072805 |
191 | |
7a4c00b4 |
192 | sv = *sptr = NEWSV(0,0); |
a0d0e21e |
193 | if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv) && SvTYPE(osv) != SVt_PVGV) { |
79072805 |
194 | sv_upgrade(sv, SvTYPE(osv)); |
a0d0e21e |
195 | if (SvGMAGICAL(osv)) { |
748a9306 |
196 | MAGIC* mg; |
3280af22 |
197 | bool oldtainted = PL_tainted; |
5cfc7842 |
198 | mg_get(osv); /* note, can croak! */ |
14befaf4 |
199 | if (PL_tainting && PL_tainted && |
200 | (mg = mg_find(osv, PERL_MAGIC_taint))) { |
748a9306 |
201 | SAVESPTR(mg->mg_obj); |
202 | mg->mg_obj = osv; |
203 | } |
a0d0e21e |
204 | SvFLAGS(osv) |= (SvFLAGS(osv) & |
8aacddc1 |
205 | (SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
3280af22 |
206 | PL_tainted = oldtainted; |
a0d0e21e |
207 | } |
79072805 |
208 | SvMAGIC(sv) = SvMAGIC(osv); |
a0d0e21e |
209 | SvFLAGS(sv) |= SvMAGICAL(osv); |
2d5e9e5d |
210 | /* XXX SvMAGIC() is *shared* between osv and sv. This can |
211 | * lead to coredumps when both SVs are destroyed without one |
212 | * of their SvMAGIC() slots being NULLed. */ |
3280af22 |
213 | PL_localizing = 1; |
79072805 |
214 | SvSETMAGIC(sv); |
3280af22 |
215 | PL_localizing = 0; |
79072805 |
216 | } |
217 | return sv; |
218 | } |
219 | |
7a4c00b4 |
220 | SV * |
864dbfa3 |
221 | Perl_save_scalar(pTHX_ GV *gv) |
7a4c00b4 |
222 | { |
4e4c362e |
223 | SV **sptr = &GvSV(gv); |
7a4c00b4 |
224 | SSCHECK(3); |
4e4c362e |
225 | SSPUSHPTR(SvREFCNT_inc(gv)); |
226 | SSPUSHPTR(SvREFCNT_inc(*sptr)); |
7a4c00b4 |
227 | SSPUSHINT(SAVEt_SV); |
4e4c362e |
228 | return save_scalar_at(sptr); |
7a4c00b4 |
229 | } |
230 | |
231 | SV* |
864dbfa3 |
232 | Perl_save_svref(pTHX_ SV **sptr) |
7a4c00b4 |
233 | { |
234 | SSCHECK(3); |
235 | SSPUSHPTR(sptr); |
4e4c362e |
236 | SSPUSHPTR(SvREFCNT_inc(*sptr)); |
7a4c00b4 |
237 | SSPUSHINT(SAVEt_SVREF); |
238 | return save_scalar_at(sptr); |
239 | } |
240 | |
f4dd75d9 |
241 | /* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to |
b9d12d37 |
242 | * restore a global SV to its prior contents, freeing new value. */ |
243 | void |
864dbfa3 |
244 | Perl_save_generic_svref(pTHX_ SV **sptr) |
b9d12d37 |
245 | { |
b9d12d37 |
246 | SSCHECK(3); |
247 | SSPUSHPTR(sptr); |
248 | SSPUSHPTR(SvREFCNT_inc(*sptr)); |
249 | SSPUSHINT(SAVEt_GENERIC_SVREF); |
250 | } |
251 | |
f4dd75d9 |
252 | /* Like save_pptr(), but also Safefree()s the new value if it is different |
253 | * from the old one. Can be used to restore a global char* to its prior |
254 | * contents, freeing new value. */ |
255 | void |
256 | Perl_save_generic_pvref(pTHX_ char **str) |
257 | { |
f4dd75d9 |
258 | SSCHECK(3); |
259 | SSPUSHPTR(str); |
260 | SSPUSHPTR(*str); |
261 | SSPUSHINT(SAVEt_GENERIC_PVREF); |
262 | } |
263 | |
05ec9bb3 |
264 | /* Like save_generic_pvref(), but uses PerlMemShared_free() rather than Safefree(). |
265 | * Can be used to restore a shared global char* to its prior |
266 | * contents, freeing new value. */ |
267 | void |
268 | Perl_save_shared_pvref(pTHX_ char **str) |
269 | { |
270 | SSCHECK(3); |
271 | SSPUSHPTR(str); |
272 | SSPUSHPTR(*str); |
273 | SSPUSHINT(SAVEt_SHARED_PVREF); |
274 | } |
275 | |
79072805 |
276 | void |
864dbfa3 |
277 | Perl_save_gp(pTHX_ GV *gv, I32 empty) |
79072805 |
278 | { |
fb73857a |
279 | SSCHECK(6); |
280 | SSPUSHIV((IV)SvLEN(gv)); |
281 | SvLEN(gv) = 0; /* forget that anything was allocated here */ |
282 | SSPUSHIV((IV)SvCUR(gv)); |
283 | SSPUSHPTR(SvPVX(gv)); |
284 | SvPOK_off(gv); |
4633a7c4 |
285 | SSPUSHPTR(SvREFCNT_inc(gv)); |
5f05dabc |
286 | SSPUSHPTR(GvGP(gv)); |
79072805 |
287 | SSPUSHINT(SAVEt_GP); |
288 | |
5f05dabc |
289 | if (empty) { |
290 | register GP *gp; |
fae75791 |
291 | |
146174a9 |
292 | Newz(602, gp, 1, GP); |
293 | |
fae75791 |
294 | if (GvCVu(gv)) |
3280af22 |
295 | PL_sub_generation++; /* taking a method out of circulation */ |
146174a9 |
296 | if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) { |
297 | gp->gp_io = newIO(); |
298 | IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START; |
299 | } |
44a8e56a |
300 | GvGP(gv) = gp_ref(gp); |
5f05dabc |
301 | GvSV(gv) = NEWSV(72,0); |
146174a9 |
302 | GvLINE(gv) = CopLINE(PL_curcop); |
94051fc1 |
303 | GvFILE(gv) = CopFILE(PL_curcop) ? CopFILE(PL_curcop) : ""; |
5f05dabc |
304 | GvEGV(gv) = gv; |
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 | { |
67a38de0 |
315 | AV *oav = GvAVn(gv); |
316 | AV *av; |
fb73857a |
317 | |
67a38de0 |
318 | if (!AvREAL(oav) && AvREIFY(oav)) |
319 | av_reify(oav); |
79072805 |
320 | SSCHECK(3); |
321 | SSPUSHPTR(gv); |
67a38de0 |
322 | SSPUSHPTR(oav); |
79072805 |
323 | SSPUSHINT(SAVEt_AV); |
324 | |
325 | GvAV(gv) = Null(AV*); |
fb73857a |
326 | av = GvAVn(gv); |
327 | if (SvMAGIC(oav)) { |
328 | SvMAGIC(av) = SvMAGIC(oav); |
32da55ab |
329 | SvFLAGS((SV*)av) |= SvMAGICAL(oav); |
fb73857a |
330 | SvMAGICAL_off(oav); |
331 | SvMAGIC(oav) = 0; |
3280af22 |
332 | PL_localizing = 1; |
fb73857a |
333 | SvSETMAGIC((SV*)av); |
3280af22 |
334 | PL_localizing = 0; |
fb73857a |
335 | } |
336 | return av; |
79072805 |
337 | } |
338 | |
339 | HV * |
864dbfa3 |
340 | Perl_save_hash(pTHX_ GV *gv) |
79072805 |
341 | { |
fb73857a |
342 | HV *ohv, *hv; |
343 | |
79072805 |
344 | SSCHECK(3); |
345 | SSPUSHPTR(gv); |
fb73857a |
346 | SSPUSHPTR(ohv = GvHVn(gv)); |
79072805 |
347 | SSPUSHINT(SAVEt_HV); |
348 | |
349 | GvHV(gv) = Null(HV*); |
fb73857a |
350 | hv = GvHVn(gv); |
351 | if (SvMAGIC(ohv)) { |
352 | SvMAGIC(hv) = SvMAGIC(ohv); |
32da55ab |
353 | SvFLAGS((SV*)hv) |= SvMAGICAL(ohv); |
fb73857a |
354 | SvMAGICAL_off(ohv); |
355 | SvMAGIC(ohv) = 0; |
3280af22 |
356 | PL_localizing = 1; |
fb73857a |
357 | SvSETMAGIC((SV*)hv); |
3280af22 |
358 | PL_localizing = 0; |
fb73857a |
359 | } |
360 | return hv; |
79072805 |
361 | } |
362 | |
363 | void |
864dbfa3 |
364 | Perl_save_item(pTHX_ register SV *item) |
79072805 |
365 | { |
f46d017c |
366 | register SV *sv = NEWSV(0,0); |
79072805 |
367 | |
f46d017c |
368 | sv_setsv(sv,item); |
79072805 |
369 | SSCHECK(3); |
370 | SSPUSHPTR(item); /* remember the pointer */ |
79072805 |
371 | SSPUSHPTR(sv); /* remember the value */ |
372 | SSPUSHINT(SAVEt_ITEM); |
373 | } |
374 | |
375 | void |
864dbfa3 |
376 | Perl_save_int(pTHX_ int *intp) |
79072805 |
377 | { |
378 | SSCHECK(3); |
379 | SSPUSHINT(*intp); |
380 | SSPUSHPTR(intp); |
381 | SSPUSHINT(SAVEt_INT); |
382 | } |
383 | |
384 | void |
864dbfa3 |
385 | Perl_save_long(pTHX_ long int *longp) |
85e6fe83 |
386 | { |
387 | SSCHECK(3); |
388 | SSPUSHLONG(*longp); |
389 | SSPUSHPTR(longp); |
390 | SSPUSHINT(SAVEt_LONG); |
391 | } |
392 | |
393 | void |
9febdf04 |
394 | Perl_save_bool(pTHX_ bool *boolp) |
395 | { |
396 | SSCHECK(3); |
397 | SSPUSHBOOL(*boolp); |
398 | SSPUSHPTR(boolp); |
399 | SSPUSHINT(SAVEt_BOOL); |
400 | } |
401 | |
402 | void |
864dbfa3 |
403 | Perl_save_I32(pTHX_ I32 *intp) |
79072805 |
404 | { |
405 | SSCHECK(3); |
406 | SSPUSHINT(*intp); |
407 | SSPUSHPTR(intp); |
408 | SSPUSHINT(SAVEt_I32); |
409 | } |
410 | |
a0d0e21e |
411 | void |
864dbfa3 |
412 | Perl_save_I16(pTHX_ I16 *intp) |
55497cff |
413 | { |
414 | SSCHECK(3); |
415 | SSPUSHINT(*intp); |
416 | SSPUSHPTR(intp); |
417 | SSPUSHINT(SAVEt_I16); |
418 | } |
419 | |
420 | void |
146174a9 |
421 | Perl_save_I8(pTHX_ I8 *bytep) |
422 | { |
146174a9 |
423 | SSCHECK(3); |
424 | SSPUSHINT(*bytep); |
425 | SSPUSHPTR(bytep); |
426 | SSPUSHINT(SAVEt_I8); |
427 | } |
428 | |
429 | void |
864dbfa3 |
430 | Perl_save_iv(pTHX_ IV *ivp) |
a0d0e21e |
431 | { |
432 | SSCHECK(3); |
4aa0a1f7 |
433 | SSPUSHIV(*ivp); |
a0d0e21e |
434 | SSPUSHPTR(ivp); |
435 | SSPUSHINT(SAVEt_IV); |
436 | } |
437 | |
85e6fe83 |
438 | /* Cannot use save_sptr() to store a char* since the SV** cast will |
439 | * force word-alignment and we'll miss the pointer. |
440 | */ |
441 | void |
864dbfa3 |
442 | Perl_save_pptr(pTHX_ char **pptr) |
85e6fe83 |
443 | { |
444 | SSCHECK(3); |
445 | SSPUSHPTR(*pptr); |
446 | SSPUSHPTR(pptr); |
447 | SSPUSHINT(SAVEt_PPTR); |
448 | } |
449 | |
79072805 |
450 | void |
146174a9 |
451 | Perl_save_vptr(pTHX_ void *ptr) |
452 | { |
146174a9 |
453 | SSCHECK(3); |
454 | SSPUSHPTR(*(char**)ptr); |
455 | SSPUSHPTR(ptr); |
456 | SSPUSHINT(SAVEt_VPTR); |
457 | } |
458 | |
459 | void |
864dbfa3 |
460 | Perl_save_sptr(pTHX_ SV **sptr) |
79072805 |
461 | { |
462 | SSCHECK(3); |
463 | SSPUSHPTR(*sptr); |
464 | SSPUSHPTR(sptr); |
465 | SSPUSHINT(SAVEt_SPTR); |
466 | } |
467 | |
c3564e5c |
468 | void |
469 | Perl_save_padsv(pTHX_ PADOFFSET off) |
470 | { |
c3564e5c |
471 | SSCHECK(4); |
f3548bdc |
472 | ASSERT_CURPAD_ACTIVE("save_padsv"); |
c3564e5c |
473 | SSPUSHPTR(PL_curpad[off]); |
f3548bdc |
474 | SSPUSHPTR(PL_comppad); |
c3564e5c |
475 | SSPUSHLONG((long)off); |
476 | SSPUSHINT(SAVEt_PADSV); |
477 | } |
478 | |
54b9620d |
479 | SV ** |
864dbfa3 |
480 | Perl_save_threadsv(pTHX_ PADOFFSET i) |
54b9620d |
481 | { |
cea2e8a9 |
482 | Perl_croak(aTHX_ "panic: save_threadsv called in non-threaded perl"); |
54b9620d |
483 | return 0; |
54b9620d |
484 | } |
485 | |
79072805 |
486 | void |
864dbfa3 |
487 | Perl_save_nogv(pTHX_ GV *gv) |
79072805 |
488 | { |
489 | SSCHECK(2); |
490 | SSPUSHPTR(gv); |
491 | SSPUSHINT(SAVEt_NSTAB); |
492 | } |
493 | |
494 | void |
864dbfa3 |
495 | Perl_save_hptr(pTHX_ HV **hptr) |
79072805 |
496 | { |
497 | SSCHECK(3); |
85e6fe83 |
498 | SSPUSHPTR(*hptr); |
79072805 |
499 | SSPUSHPTR(hptr); |
500 | SSPUSHINT(SAVEt_HPTR); |
501 | } |
502 | |
503 | void |
864dbfa3 |
504 | Perl_save_aptr(pTHX_ AV **aptr) |
79072805 |
505 | { |
506 | SSCHECK(3); |
85e6fe83 |
507 | SSPUSHPTR(*aptr); |
79072805 |
508 | SSPUSHPTR(aptr); |
509 | SSPUSHINT(SAVEt_APTR); |
510 | } |
511 | |
512 | void |
864dbfa3 |
513 | Perl_save_freesv(pTHX_ SV *sv) |
8990e307 |
514 | { |
515 | SSCHECK(2); |
516 | SSPUSHPTR(sv); |
517 | SSPUSHINT(SAVEt_FREESV); |
518 | } |
519 | |
520 | void |
26d9b02f |
521 | Perl_save_mortalizesv(pTHX_ SV *sv) |
522 | { |
523 | SSCHECK(2); |
524 | SSPUSHPTR(sv); |
525 | SSPUSHINT(SAVEt_MORTALIZESV); |
526 | } |
527 | |
528 | void |
864dbfa3 |
529 | Perl_save_freeop(pTHX_ OP *o) |
8990e307 |
530 | { |
531 | SSCHECK(2); |
11343788 |
532 | SSPUSHPTR(o); |
8990e307 |
533 | SSPUSHINT(SAVEt_FREEOP); |
534 | } |
535 | |
536 | void |
864dbfa3 |
537 | Perl_save_freepv(pTHX_ char *pv) |
8990e307 |
538 | { |
539 | SSCHECK(2); |
540 | SSPUSHPTR(pv); |
541 | SSPUSHINT(SAVEt_FREEPV); |
542 | } |
543 | |
544 | void |
864dbfa3 |
545 | Perl_save_clearsv(pTHX_ SV **svp) |
8990e307 |
546 | { |
f3548bdc |
547 | ASSERT_CURPAD_ACTIVE("save_clearsv"); |
8990e307 |
548 | SSCHECK(2); |
3280af22 |
549 | SSPUSHLONG((long)(svp-PL_curpad)); |
8990e307 |
550 | SSPUSHINT(SAVEt_CLEARSV); |
551 | } |
552 | |
553 | void |
864dbfa3 |
554 | Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen) |
8990e307 |
555 | { |
556 | SSCHECK(4); |
557 | SSPUSHINT(klen); |
558 | SSPUSHPTR(key); |
4e4c362e |
559 | SSPUSHPTR(SvREFCNT_inc(hv)); |
8990e307 |
560 | SSPUSHINT(SAVEt_DELETE); |
561 | } |
562 | |
563 | void |
864dbfa3 |
564 | Perl_save_list(pTHX_ register SV **sarg, I32 maxsarg) |
79072805 |
565 | { |
566 | register SV *sv; |
567 | register I32 i; |
568 | |
79072805 |
569 | for (i = 1; i <= maxsarg; i++) { |
79072805 |
570 | sv = NEWSV(0,0); |
571 | sv_setsv(sv,sarg[i]); |
f46d017c |
572 | SSCHECK(3); |
573 | SSPUSHPTR(sarg[i]); /* remember the pointer */ |
79072805 |
574 | SSPUSHPTR(sv); /* remember the value */ |
575 | SSPUSHINT(SAVEt_ITEM); |
576 | } |
577 | } |
578 | |
579 | void |
146174a9 |
580 | Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p) |
a0d0e21e |
581 | { |
582 | SSCHECK(3); |
583 | SSPUSHDPTR(f); |
584 | SSPUSHPTR(p); |
585 | SSPUSHINT(SAVEt_DESTRUCTOR); |
586 | } |
587 | |
588 | void |
146174a9 |
589 | Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p) |
590 | { |
146174a9 |
591 | SSCHECK(3); |
592 | SSPUSHDXPTR(f); |
593 | SSPUSHPTR(p); |
594 | SSPUSHINT(SAVEt_DESTRUCTOR_X); |
595 | } |
596 | |
597 | void |
864dbfa3 |
598 | Perl_save_aelem(pTHX_ AV *av, I32 idx, SV **sptr) |
4e4c362e |
599 | { |
bfc4de9f |
600 | SV *sv; |
4e4c362e |
601 | SSCHECK(4); |
602 | SSPUSHPTR(SvREFCNT_inc(av)); |
603 | SSPUSHINT(idx); |
604 | SSPUSHPTR(SvREFCNT_inc(*sptr)); |
605 | SSPUSHINT(SAVEt_AELEM); |
606 | save_scalar_at(sptr); |
bfc4de9f |
607 | sv = *sptr; |
608 | /* If we're localizing a tied array element, this new sv |
609 | * won't actually be stored in the array - so it won't get |
610 | * reaped when the localize ends. Ensure it gets reaped by |
611 | * mortifying it instead. DAPM */ |
612 | if (SvTIED_mg(sv, PERL_MAGIC_tiedelem)) |
613 | sv_2mortal(sv); |
4e4c362e |
614 | } |
615 | |
616 | void |
864dbfa3 |
617 | Perl_save_helem(pTHX_ HV *hv, SV *key, SV **sptr) |
4e4c362e |
618 | { |
bfc4de9f |
619 | SV *sv; |
4e4c362e |
620 | SSCHECK(4); |
621 | SSPUSHPTR(SvREFCNT_inc(hv)); |
622 | SSPUSHPTR(SvREFCNT_inc(key)); |
623 | SSPUSHPTR(SvREFCNT_inc(*sptr)); |
624 | SSPUSHINT(SAVEt_HELEM); |
625 | save_scalar_at(sptr); |
bfc4de9f |
626 | sv = *sptr; |
627 | /* If we're localizing a tied hash element, this new sv |
628 | * won't actually be stored in the hash - so it won't get |
629 | * reaped when the localize ends. Ensure it gets reaped by |
630 | * mortifying it instead. DAPM */ |
631 | if (SvTIED_mg(sv, PERL_MAGIC_tiedelem)) |
632 | sv_2mortal(sv); |
4e4c362e |
633 | } |
634 | |
635 | void |
864dbfa3 |
636 | Perl_save_op(pTHX) |
462e5cf6 |
637 | { |
462e5cf6 |
638 | SSCHECK(2); |
533c011a |
639 | SSPUSHPTR(PL_op); |
462e5cf6 |
640 | SSPUSHINT(SAVEt_OP); |
641 | } |
642 | |
455ece5e |
643 | I32 |
864dbfa3 |
644 | Perl_save_alloc(pTHX_ I32 size, I32 pad) |
455ece5e |
645 | { |
455ece5e |
646 | register I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix] |
8aacddc1 |
647 | - (char*)PL_savestack); |
455ece5e |
648 | register I32 elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack)); |
649 | |
650 | /* SSCHECK may not be good enough */ |
651 | while (PL_savestack_ix + elems + 2 > PL_savestack_max) |
8aacddc1 |
652 | savestack_grow(); |
455ece5e |
653 | |
654 | PL_savestack_ix += elems; |
655 | SSPUSHINT(elems); |
656 | SSPUSHINT(SAVEt_ALLOC); |
657 | return start; |
658 | } |
659 | |
462e5cf6 |
660 | void |
864dbfa3 |
661 | Perl_leave_scope(pTHX_ I32 base) |
79072805 |
662 | { |
663 | register SV *sv; |
664 | register SV *value; |
665 | register GV *gv; |
666 | register AV *av; |
667 | register HV *hv; |
668 | register void* ptr; |
f4dd75d9 |
669 | register char* str; |
161b7d16 |
670 | I32 i; |
79072805 |
671 | |
672 | if (base < -1) |
cea2e8a9 |
673 | Perl_croak(aTHX_ "panic: corrupt saved stack index"); |
3280af22 |
674 | while (PL_savestack_ix > base) { |
79072805 |
675 | switch (SSPOPINT) { |
676 | case SAVEt_ITEM: /* normal string */ |
677 | value = (SV*)SSPOPPTR; |
678 | sv = (SV*)SSPOPPTR; |
679 | sv_replace(sv,value); |
3280af22 |
680 | PL_localizing = 2; |
79072805 |
681 | SvSETMAGIC(sv); |
3280af22 |
682 | PL_localizing = 0; |
79072805 |
683 | break; |
8aacddc1 |
684 | case SAVEt_SV: /* scalar reference */ |
79072805 |
685 | value = (SV*)SSPOPPTR; |
686 | gv = (GV*)SSPOPPTR; |
7a4c00b4 |
687 | ptr = &GvSV(gv); |
4e4c362e |
688 | SvREFCNT_dec(gv); |
7a4c00b4 |
689 | goto restore_sv; |
8aacddc1 |
690 | case SAVEt_GENERIC_PVREF: /* generic pv */ |
f4dd75d9 |
691 | str = (char*)SSPOPPTR; |
692 | ptr = SSPOPPTR; |
693 | if (*(char**)ptr != str) { |
694 | Safefree(*(char**)ptr); |
695 | *(char**)ptr = str; |
696 | } |
697 | break; |
05ec9bb3 |
698 | case SAVEt_SHARED_PVREF: /* shared pv */ |
699 | str = (char*)SSPOPPTR; |
700 | ptr = SSPOPPTR; |
701 | if (*(char**)ptr != str) { |
5e54c26f |
702 | #ifdef NETWARE |
9ecbcc42 |
703 | PerlMem_free(*(char**)ptr); |
5e54c26f |
704 | #else |
05ec9bb3 |
705 | PerlMemShared_free(*(char**)ptr); |
5e54c26f |
706 | #endif |
05ec9bb3 |
707 | *(char**)ptr = str; |
708 | } |
709 | break; |
8aacddc1 |
710 | case SAVEt_GENERIC_SVREF: /* generic sv */ |
b9d12d37 |
711 | value = (SV*)SSPOPPTR; |
712 | ptr = SSPOPPTR; |
f4dd75d9 |
713 | sv = *(SV**)ptr; |
714 | *(SV**)ptr = value; |
715 | SvREFCNT_dec(sv); |
b9d12d37 |
716 | SvREFCNT_dec(value); |
717 | break; |
8aacddc1 |
718 | case SAVEt_SVREF: /* scalar reference */ |
7a4c00b4 |
719 | value = (SV*)SSPOPPTR; |
79072805 |
720 | ptr = SSPOPPTR; |
7a4c00b4 |
721 | restore_sv: |
79072805 |
722 | sv = *(SV**)ptr; |
146174a9 |
723 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
54b9620d |
724 | "restore svref: %p %p:%s -> %p:%s\n", |
8aacddc1 |
725 | ptr, sv, SvPEEK(sv), value, SvPEEK(value))); |
cdec4f49 |
726 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv) && |
727 | SvTYPE(sv) != SVt_PVGV) |
728 | { |
a0d0e21e |
729 | (void)SvUPGRADE(value, SvTYPE(sv)); |
730 | SvMAGIC(value) = SvMAGIC(sv); |
731 | SvFLAGS(value) |= SvMAGICAL(sv); |
732 | SvMAGICAL_off(sv); |
79072805 |
733 | SvMAGIC(sv) = 0; |
a0d0e21e |
734 | } |
2d5e9e5d |
735 | /* XXX This branch is pretty bogus. This code irretrievably |
736 | * clears(!) the magic on the SV (either to avoid further |
737 | * croaking that might ensue when the SvSETMAGIC() below is |
738 | * called, or to avoid two different SVs pointing at the same |
739 | * SvMAGIC()). This needs a total rethink. --GSAR */ |
cdec4f49 |
740 | else if (SvTYPE(value) >= SVt_PVMG && SvMAGIC(value) && |
741 | SvTYPE(value) != SVt_PVGV) |
742 | { |
7a4c00b4 |
743 | SvFLAGS(value) |= (SvFLAGS(value) & |
8aacddc1 |
744 | (SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
7a4c00b4 |
745 | SvMAGICAL_off(value); |
2d5e9e5d |
746 | /* XXX this is a leak when we get here because the |
747 | * mg_get() in save_scalar_at() croaked */ |
748 | SvMAGIC(value) = 0; |
7a4c00b4 |
749 | } |
8aacddc1 |
750 | SvREFCNT_dec(sv); |
a0d0e21e |
751 | *(SV**)ptr = value; |
3280af22 |
752 | PL_localizing = 2; |
a0d0e21e |
753 | SvSETMAGIC(value); |
3280af22 |
754 | PL_localizing = 0; |
4e4c362e |
755 | SvREFCNT_dec(value); |
8aacddc1 |
756 | break; |
757 | case SAVEt_AV: /* array reference */ |
79072805 |
758 | av = (AV*)SSPOPPTR; |
759 | gv = (GV*)SSPOPPTR; |
fb73857a |
760 | if (GvAV(gv)) { |
761 | AV *goner = GvAV(gv); |
762 | SvMAGIC(av) = SvMAGIC(goner); |
32da55ab |
763 | SvFLAGS((SV*)av) |= SvMAGICAL(goner); |
fb73857a |
764 | SvMAGICAL_off(goner); |
765 | SvMAGIC(goner) = 0; |
766 | SvREFCNT_dec(goner); |
767 | } |
8aacddc1 |
768 | GvAV(gv) = av; |
fb73857a |
769 | if (SvMAGICAL(av)) { |
3280af22 |
770 | PL_localizing = 2; |
fb73857a |
771 | SvSETMAGIC((SV*)av); |
3280af22 |
772 | PL_localizing = 0; |
fb73857a |
773 | } |
8aacddc1 |
774 | break; |
775 | case SAVEt_HV: /* hash reference */ |
79072805 |
776 | hv = (HV*)SSPOPPTR; |
777 | gv = (GV*)SSPOPPTR; |
fb73857a |
778 | if (GvHV(gv)) { |
779 | HV *goner = GvHV(gv); |
780 | SvMAGIC(hv) = SvMAGIC(goner); |
781 | SvFLAGS(hv) |= SvMAGICAL(goner); |
782 | SvMAGICAL_off(goner); |
783 | SvMAGIC(goner) = 0; |
784 | SvREFCNT_dec(goner); |
785 | } |
8aacddc1 |
786 | GvHV(gv) = hv; |
fb73857a |
787 | if (SvMAGICAL(hv)) { |
3280af22 |
788 | PL_localizing = 2; |
fb73857a |
789 | SvSETMAGIC((SV*)hv); |
3280af22 |
790 | PL_localizing = 0; |
fb73857a |
791 | } |
8aacddc1 |
792 | break; |
79072805 |
793 | case SAVEt_INT: /* int reference */ |
794 | ptr = SSPOPPTR; |
795 | *(int*)ptr = (int)SSPOPINT; |
796 | break; |
85e6fe83 |
797 | case SAVEt_LONG: /* long reference */ |
798 | ptr = SSPOPPTR; |
799 | *(long*)ptr = (long)SSPOPLONG; |
800 | break; |
9febdf04 |
801 | case SAVEt_BOOL: /* bool reference */ |
802 | ptr = SSPOPPTR; |
803 | *(bool*)ptr = (bool)SSPOPBOOL; |
804 | break; |
79072805 |
805 | case SAVEt_I32: /* I32 reference */ |
806 | ptr = SSPOPPTR; |
807 | *(I32*)ptr = (I32)SSPOPINT; |
808 | break; |
55497cff |
809 | case SAVEt_I16: /* I16 reference */ |
810 | ptr = SSPOPPTR; |
811 | *(I16*)ptr = (I16)SSPOPINT; |
812 | break; |
146174a9 |
813 | case SAVEt_I8: /* I8 reference */ |
814 | ptr = SSPOPPTR; |
815 | *(I8*)ptr = (I8)SSPOPINT; |
816 | break; |
a0d0e21e |
817 | case SAVEt_IV: /* IV reference */ |
818 | ptr = SSPOPPTR; |
819 | *(IV*)ptr = (IV)SSPOPIV; |
820 | break; |
79072805 |
821 | case SAVEt_SPTR: /* SV* reference */ |
822 | ptr = SSPOPPTR; |
823 | *(SV**)ptr = (SV*)SSPOPPTR; |
824 | break; |
146174a9 |
825 | case SAVEt_VPTR: /* random* reference */ |
85e6fe83 |
826 | case SAVEt_PPTR: /* char* reference */ |
827 | ptr = SSPOPPTR; |
828 | *(char**)ptr = (char*)SSPOPPTR; |
829 | break; |
79072805 |
830 | case SAVEt_HPTR: /* HV* reference */ |
831 | ptr = SSPOPPTR; |
832 | *(HV**)ptr = (HV*)SSPOPPTR; |
833 | break; |
834 | case SAVEt_APTR: /* AV* reference */ |
835 | ptr = SSPOPPTR; |
836 | *(AV**)ptr = (AV*)SSPOPPTR; |
837 | break; |
838 | case SAVEt_NSTAB: |
839 | gv = (GV*)SSPOPPTR; |
1f96a9ed |
840 | (void)sv_clear((SV*)gv); |
79072805 |
841 | break; |
fb73857a |
842 | case SAVEt_GP: /* scalar reference */ |
79072805 |
843 | ptr = SSPOPPTR; |
844 | gv = (GV*)SSPOPPTR; |
8aacddc1 |
845 | if (SvPVX(gv) && SvLEN(gv) > 0) { |
846 | Safefree(SvPVX(gv)); |
847 | } |
848 | SvPVX(gv) = (char *)SSPOPPTR; |
849 | SvCUR(gv) = (STRLEN)SSPOPIV; |
850 | SvLEN(gv) = (STRLEN)SSPOPIV; |
851 | gp_free(gv); |
852 | GvGP(gv) = (GP*)ptr; |
fae75791 |
853 | if (GvCVu(gv)) |
3280af22 |
854 | PL_sub_generation++; /* putting a method back into circulation */ |
4633a7c4 |
855 | SvREFCNT_dec(gv); |
8aacddc1 |
856 | break; |
8990e307 |
857 | case SAVEt_FREESV: |
858 | ptr = SSPOPPTR; |
859 | SvREFCNT_dec((SV*)ptr); |
860 | break; |
26d9b02f |
861 | case SAVEt_MORTALIZESV: |
862 | ptr = SSPOPPTR; |
863 | sv_2mortal((SV*)ptr); |
864 | break; |
8990e307 |
865 | case SAVEt_FREEOP: |
866 | ptr = SSPOPPTR; |
f3548bdc |
867 | ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); /* XXX DAPM tmp */ |
8990e307 |
868 | op_free((OP*)ptr); |
869 | break; |
870 | case SAVEt_FREEPV: |
871 | ptr = SSPOPPTR; |
872 | Safefree((char*)ptr); |
873 | break; |
874 | case SAVEt_CLEARSV: |
3280af22 |
875 | ptr = (void*)&PL_curpad[SSPOPLONG]; |
8990e307 |
876 | sv = *(SV**)ptr; |
dd2155a4 |
877 | |
878 | DEBUG_Xv(PerlIO_printf(Perl_debug_log, |
f3548bdc |
879 | "Pad 0x%"UVxf"[0x%"UVxf"] clearsv: %ld sv=0x%"UVxf"<%"IVdf"> %s\n", |
880 | PTR2UV(PL_comppad), PTR2UV(PL_curpad), |
881 | (long)((SV **)ptr-PL_curpad), PTR2UV(sv), (IV)SvREFCNT(sv), |
dd2155a4 |
882 | (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon" |
883 | )); |
884 | |
bc44cdaf |
885 | /* Can clear pad variable in place? */ |
886 | if (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) { |
8aacddc1 |
887 | /* |
888 | * if a my variable that was made readonly is going out of |
889 | * scope, we want to remove the readonlyness so that it can |
890 | * go out of scope quietly |
8aacddc1 |
891 | */ |
a26e96df |
892 | if (SvPADMY(sv) && !SvFAKE(sv)) |
8aacddc1 |
893 | SvREADONLY_off(sv); |
894 | |
6fc92669 |
895 | if (SvTHINKFIRST(sv)) |
840a7b70 |
896 | sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF); |
a0d0e21e |
897 | if (SvMAGICAL(sv)) |
898 | mg_free(sv); |
8990e307 |
899 | |
900 | switch (SvTYPE(sv)) { |
901 | case SVt_NULL: |
902 | break; |
903 | case SVt_PVAV: |
44a8e56a |
904 | av_clear((AV*)sv); |
8990e307 |
905 | break; |
906 | case SVt_PVHV: |
44a8e56a |
907 | hv_clear((HV*)sv); |
8990e307 |
908 | break; |
909 | case SVt_PVCV: |
cea2e8a9 |
910 | Perl_croak(aTHX_ "panic: leave_scope pad code"); |
5377b701 |
911 | case SVt_RV: |
912 | case SVt_IV: |
913 | case SVt_NV: |
914 | (void)SvOK_off(sv); |
8990e307 |
915 | break; |
916 | default: |
a0d0e21e |
917 | (void)SvOK_off(sv); |
5377b701 |
918 | (void)SvOOK_off(sv); |
8990e307 |
919 | break; |
920 | } |
921 | } |
922 | else { /* Someone has a claim on this, so abandon it. */ |
4aa0a1f7 |
923 | U32 padflags = SvFLAGS(sv) & (SVs_PADBUSY|SVs_PADMY|SVs_PADTMP); |
8990e307 |
924 | switch (SvTYPE(sv)) { /* Console ourselves with a new value */ |
925 | case SVt_PVAV: *(SV**)ptr = (SV*)newAV(); break; |
926 | case SVt_PVHV: *(SV**)ptr = (SV*)newHV(); break; |
927 | default: *(SV**)ptr = NEWSV(0,0); break; |
928 | } |
53868620 |
929 | SvREFCNT_dec(sv); /* Cast current value to the winds. */ |
4aa0a1f7 |
930 | SvFLAGS(*(SV**)ptr) |= padflags; /* preserve pad nature */ |
8990e307 |
931 | } |
932 | break; |
933 | case SAVEt_DELETE: |
934 | ptr = SSPOPPTR; |
935 | hv = (HV*)ptr; |
936 | ptr = SSPOPPTR; |
748a9306 |
937 | (void)hv_delete(hv, (char*)ptr, (U32)SSPOPINT, G_DISCARD); |
4e4c362e |
938 | SvREFCNT_dec(hv); |
8aacddc1 |
939 | Safefree(ptr); |
8990e307 |
940 | break; |
a0d0e21e |
941 | case SAVEt_DESTRUCTOR: |
942 | ptr = SSPOPPTR; |
146174a9 |
943 | (*SSPOPDPTR)(ptr); |
944 | break; |
945 | case SAVEt_DESTRUCTOR_X: |
946 | ptr = SSPOPPTR; |
acfe0abc |
947 | (*SSPOPDXPTR)(aTHX_ ptr); |
a0d0e21e |
948 | break; |
949 | case SAVEt_REGCONTEXT: |
455ece5e |
950 | case SAVEt_ALLOC: |
161b7d16 |
951 | i = SSPOPINT; |
3280af22 |
952 | PL_savestack_ix -= i; /* regexp must have croaked */ |
a0d0e21e |
953 | break; |
55497cff |
954 | case SAVEt_STACK_POS: /* Position on Perl stack */ |
161b7d16 |
955 | i = SSPOPINT; |
3280af22 |
956 | PL_stack_sp = PL_stack_base + i; |
55497cff |
957 | break; |
161b7d16 |
958 | case SAVEt_AELEM: /* array element */ |
959 | value = (SV*)SSPOPPTR; |
960 | i = SSPOPINT; |
961 | av = (AV*)SSPOPPTR; |
962 | ptr = av_fetch(av,i,1); |
4e4c362e |
963 | if (ptr) { |
964 | sv = *(SV**)ptr; |
3280af22 |
965 | if (sv && sv != &PL_sv_undef) { |
14befaf4 |
966 | if (SvTIED_mg((SV*)av, PERL_MAGIC_tied)) |
4e4c362e |
967 | (void)SvREFCNT_inc(sv); |
968 | SvREFCNT_dec(av); |
969 | goto restore_sv; |
970 | } |
971 | } |
972 | SvREFCNT_dec(av); |
973 | SvREFCNT_dec(value); |
974 | break; |
161b7d16 |
975 | case SAVEt_HELEM: /* hash element */ |
976 | value = (SV*)SSPOPPTR; |
9002cb76 |
977 | sv = (SV*)SSPOPPTR; |
161b7d16 |
978 | hv = (HV*)SSPOPPTR; |
979 | ptr = hv_fetch_ent(hv, sv, 1, 0); |
4e4c362e |
980 | if (ptr) { |
981 | SV *oval = HeVAL((HE*)ptr); |
3280af22 |
982 | if (oval && oval != &PL_sv_undef) { |
4e4c362e |
983 | ptr = &HeVAL((HE*)ptr); |
14befaf4 |
984 | if (SvTIED_mg((SV*)hv, PERL_MAGIC_tied)) |
4e4c362e |
985 | (void)SvREFCNT_inc(*(SV**)ptr); |
986 | SvREFCNT_dec(hv); |
987 | SvREFCNT_dec(sv); |
988 | goto restore_sv; |
989 | } |
990 | } |
991 | SvREFCNT_dec(hv); |
992 | SvREFCNT_dec(sv); |
993 | SvREFCNT_dec(value); |
994 | break; |
462e5cf6 |
995 | case SAVEt_OP: |
533c011a |
996 | PL_op = (OP*)SSPOPPTR; |
462e5cf6 |
997 | break; |
25eaa213 |
998 | case SAVEt_HINTS: |
045ac317 |
999 | if ((PL_hints & HINT_LOCALIZE_HH) && GvHV(PL_hintgv)) { |
1000 | SvREFCNT_dec((SV*)GvHV(PL_hintgv)); |
1001 | GvHV(PL_hintgv) = NULL; |
1002 | } |
3280af22 |
1003 | *(I32*)&PL_hints = (I32)SSPOPINT; |
b3ac6de7 |
1004 | break; |
cb50131a |
1005 | case SAVEt_COMPPAD: |
f3548bdc |
1006 | PL_comppad = (PAD*)SSPOPPTR; |
cb50131a |
1007 | if (PL_comppad) |
1008 | PL_curpad = AvARRAY(PL_comppad); |
1009 | else |
1010 | PL_curpad = Null(SV**); |
1011 | break; |
c3564e5c |
1012 | case SAVEt_PADSV: |
1013 | { |
1014 | PADOFFSET off = (PADOFFSET)SSPOPLONG; |
1015 | ptr = SSPOPPTR; |
1016 | if (ptr) |
f3548bdc |
1017 | AvARRAY((PAD*)ptr)[off] = (SV*)SSPOPPTR; |
c3564e5c |
1018 | } |
1019 | break; |
79072805 |
1020 | default: |
cea2e8a9 |
1021 | Perl_croak(aTHX_ "panic: leave_scope inconsistency"); |
79072805 |
1022 | } |
1023 | } |
1024 | } |
8990e307 |
1025 | |
8990e307 |
1026 | void |
864dbfa3 |
1027 | Perl_cx_dump(pTHX_ PERL_CONTEXT *cx) |
8990e307 |
1028 | { |
35ff7856 |
1029 | #ifdef DEBUGGING |
22c35a8c |
1030 | PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]); |
6b35e009 |
1031 | if (CxTYPE(cx) != CXt_SUBST) { |
760ac839 |
1032 | PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp); |
146174a9 |
1033 | PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n", |
1034 | PTR2UV(cx->blk_oldcop)); |
760ac839 |
1035 | PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp); |
1036 | PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp); |
1037 | PerlIO_printf(Perl_debug_log, "BLK_OLDRETSP = %ld\n", (long)cx->blk_oldretsp); |
146174a9 |
1038 | PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n", |
1039 | PTR2UV(cx->blk_oldpm)); |
760ac839 |
1040 | PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", cx->blk_gimme ? "LIST" : "SCALAR"); |
8990e307 |
1041 | } |
6b35e009 |
1042 | switch (CxTYPE(cx)) { |
8990e307 |
1043 | case CXt_NULL: |
1044 | case CXt_BLOCK: |
1045 | break; |
146174a9 |
1046 | case CXt_FORMAT: |
1047 | PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n", |
1048 | PTR2UV(cx->blk_sub.cv)); |
1049 | PerlIO_printf(Perl_debug_log, "BLK_SUB.GV = 0x%"UVxf"\n", |
1050 | PTR2UV(cx->blk_sub.gv)); |
1051 | PerlIO_printf(Perl_debug_log, "BLK_SUB.DFOUTGV = 0x%"UVxf"\n", |
1052 | PTR2UV(cx->blk_sub.dfoutgv)); |
1053 | PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n", |
1054 | (int)cx->blk_sub.hasargs); |
1055 | break; |
8990e307 |
1056 | case CXt_SUB: |
146174a9 |
1057 | PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n", |
1058 | PTR2UV(cx->blk_sub.cv)); |
760ac839 |
1059 | PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n", |
8990e307 |
1060 | (long)cx->blk_sub.olddepth); |
760ac839 |
1061 | PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n", |
8990e307 |
1062 | (int)cx->blk_sub.hasargs); |
146174a9 |
1063 | PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n", |
1064 | (int)cx->blk_sub.lval); |
8990e307 |
1065 | break; |
1066 | case CXt_EVAL: |
760ac839 |
1067 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n", |
8990e307 |
1068 | (long)cx->blk_eval.old_in_eval); |
760ac839 |
1069 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n", |
22c35a8c |
1070 | PL_op_name[cx->blk_eval.old_op_type], |
1071 | PL_op_desc[cx->blk_eval.old_op_type]); |
0f79a09d |
1072 | if (cx->blk_eval.old_namesv) |
1073 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n", |
1074 | SvPVX(cx->blk_eval.old_namesv)); |
146174a9 |
1075 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n", |
1076 | PTR2UV(cx->blk_eval.old_eval_root)); |
8990e307 |
1077 | break; |
1078 | |
1079 | case CXt_LOOP: |
760ac839 |
1080 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n", |
8990e307 |
1081 | cx->blk_loop.label); |
760ac839 |
1082 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n", |
8990e307 |
1083 | (long)cx->blk_loop.resetsp); |
146174a9 |
1084 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.REDO_OP = 0x%"UVxf"\n", |
1085 | PTR2UV(cx->blk_loop.redo_op)); |
1086 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.NEXT_OP = 0x%"UVxf"\n", |
1087 | PTR2UV(cx->blk_loop.next_op)); |
1088 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.LAST_OP = 0x%"UVxf"\n", |
1089 | PTR2UV(cx->blk_loop.last_op)); |
760ac839 |
1090 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n", |
8990e307 |
1091 | (long)cx->blk_loop.iterix); |
146174a9 |
1092 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n", |
1093 | PTR2UV(cx->blk_loop.iterary)); |
1094 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n", |
1095 | PTR2UV(CxITERVAR(cx))); |
1096 | if (CxITERVAR(cx)) |
1097 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERSAVE = 0x%"UVxf"\n", |
1098 | PTR2UV(cx->blk_loop.itersave)); |
1099 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERLVAL = 0x%"UVxf"\n", |
1100 | PTR2UV(cx->blk_loop.iterlval)); |
8990e307 |
1101 | break; |
1102 | |
1103 | case CXt_SUBST: |
760ac839 |
1104 | PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n", |
8990e307 |
1105 | (long)cx->sb_iters); |
760ac839 |
1106 | PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n", |
8990e307 |
1107 | (long)cx->sb_maxiters); |
35ef4773 |
1108 | PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n", |
1109 | (long)cx->sb_rflags); |
760ac839 |
1110 | PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n", |
8990e307 |
1111 | (long)cx->sb_once); |
760ac839 |
1112 | PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n", |
8990e307 |
1113 | cx->sb_orig); |
146174a9 |
1114 | PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%"UVxf"\n", |
1115 | PTR2UV(cx->sb_dstr)); |
1116 | PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%"UVxf"\n", |
1117 | PTR2UV(cx->sb_targ)); |
1118 | PerlIO_printf(Perl_debug_log, "SB_S = 0x%"UVxf"\n", |
1119 | PTR2UV(cx->sb_s)); |
1120 | PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n", |
1121 | PTR2UV(cx->sb_m)); |
1122 | PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%"UVxf"\n", |
1123 | PTR2UV(cx->sb_strend)); |
1124 | PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%"UVxf"\n", |
1125 | PTR2UV(cx->sb_rxres)); |
8990e307 |
1126 | break; |
1127 | } |
17c3b450 |
1128 | #endif /* DEBUGGING */ |
35ff7856 |
1129 | } |