Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* scope.c |
79072805 | 2 | * |
bc89e66f | 3 | * Copyright (c) 1991-2001, Larry Wall |
79072805 LW |
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 LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "For the fashion of Minas Tirith was such that it was built on seven | |
12 | * levels..." | |
79072805 LW |
13 | */ |
14 | ||
15 | #include "EXTERN.h" | |
864dbfa3 | 16 | #define PERL_IN_SCOPE_C |
79072805 LW |
17 | #include "perl.h" |
18 | ||
14dd3ad8 | 19 | #if defined(PERL_FLEXIBLE_EXCEPTIONS) |
312caa8e | 20 | void * |
146174a9 CB |
21 | Perl_default_protect(pTHX_ volatile JMPENV *pcur_env, int *excpt, |
22 | protect_body_t body, ...) | |
312caa8e | 23 | { |
c5be433b GS |
24 | void *ret; |
25 | va_list args; | |
26 | va_start(args, body); | |
146174a9 | 27 | ret = vdefault_protect(pcur_env, excpt, body, &args); |
c5be433b GS |
28 | va_end(args); |
29 | return ret; | |
30 | } | |
31 | ||
32 | void * | |
146174a9 CB |
33 | Perl_vdefault_protect(pTHX_ volatile JMPENV *pcur_env, int *excpt, |
34 | protect_body_t body, va_list *args) | |
c5be433b | 35 | { |
312caa8e CS |
36 | int ex; |
37 | void *ret; | |
38 | ||
312caa8e CS |
39 | JMPENV_PUSH(ex); |
40 | if (ex) | |
41 | ret = NULL; | |
c5be433b GS |
42 | else |
43 | ret = CALL_FPTR(body)(aTHX_ *args); | |
a6c40364 | 44 | *excpt = ex; |
312caa8e CS |
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 | { |
4d1ff10f | 53 | #if defined(DEBUGGING) && !defined(USE_5005THREADS) |
a60c0954 NIS |
54 | static int growing = 0; |
55 | if (growing++) | |
56 | abort(); | |
57 | #endif | |
3280af22 | 58 | PL_stack_sp = sp; |
2ce36478 | 59 | #ifndef STRESS_REALLOC |
3280af22 | 60 | av_extend(PL_curstack, (p - PL_stack_base) + (n) + 128); |
2ce36478 | 61 | #else |
6b88bc9c | 62 | av_extend(PL_curstack, (p - PL_stack_base) + (n) + 1); |
2ce36478 | 63 | #endif |
4d1ff10f | 64 | #if defined(DEBUGGING) && !defined(USE_5005THREADS) |
a60c0954 NIS |
65 | growing--; |
66 | #endif | |
3280af22 | 67 | return PL_stack_sp; |
a0d0e21e LW |
68 | } |
69 | ||
2ce36478 SM |
70 | #ifndef STRESS_REALLOC |
71 | #define GROW(old) ((old) * 3 / 2) | |
72 | #else | |
73 | #define GROW(old) ((old) + 1) | |
74 | #endif | |
75 | ||
e336de0d | 76 | PERL_SI * |
864dbfa3 | 77 | Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems) |
e336de0d GS |
78 | { |
79 | PERL_SI *si; | |
e336de0d GS |
80 | New(56, si, 1, PERL_SI); |
81 | si->si_stack = newAV(); | |
82 | AvREAL_off(si->si_stack); | |
83 | av_extend(si->si_stack, stitems > 0 ? stitems-1 : 0); | |
3280af22 | 84 | AvALLOC(si->si_stack)[0] = &PL_sv_undef; |
e336de0d GS |
85 | AvFILLp(si->si_stack) = 0; |
86 | si->si_prev = 0; | |
87 | si->si_next = 0; | |
88 | si->si_cxmax = cxitems - 1; | |
89 | si->si_cxix = -1; | |
e788e7d3 | 90 | si->si_type = PERLSI_UNDEF; |
e336de0d GS |
91 | New(56, si->si_cxstack, cxitems, PERL_CONTEXT); |
92 | return si; | |
93 | } | |
94 | ||
79072805 | 95 | I32 |
864dbfa3 | 96 | Perl_cxinc(pTHX) |
79072805 | 97 | { |
2ce36478 | 98 | cxstack_max = GROW(cxstack_max); |
c09156bb | 99 | Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); /* XXX should fix CXINC macro */ |
79072805 LW |
100 | return cxstack_ix + 1; |
101 | } | |
102 | ||
103 | void | |
864dbfa3 | 104 | Perl_push_return(pTHX_ OP *retop) |
79072805 | 105 | { |
3280af22 NIS |
106 | if (PL_retstack_ix == PL_retstack_max) { |
107 | PL_retstack_max = GROW(PL_retstack_max); | |
108 | Renew(PL_retstack, PL_retstack_max, OP*); | |
79072805 | 109 | } |
3280af22 | 110 | PL_retstack[PL_retstack_ix++] = retop; |
79072805 LW |
111 | } |
112 | ||
113 | OP * | |
864dbfa3 | 114 | Perl_pop_return(pTHX) |
79072805 | 115 | { |
3280af22 NIS |
116 | if (PL_retstack_ix > 0) |
117 | return PL_retstack[--PL_retstack_ix]; | |
79072805 LW |
118 | else |
119 | return Nullop; | |
120 | } | |
121 | ||
122 | void | |
864dbfa3 | 123 | Perl_push_scope(pTHX) |
79072805 | 124 | { |
3280af22 NIS |
125 | if (PL_scopestack_ix == PL_scopestack_max) { |
126 | PL_scopestack_max = GROW(PL_scopestack_max); | |
127 | Renew(PL_scopestack, PL_scopestack_max, I32); | |
79072805 | 128 | } |
3280af22 | 129 | PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix; |
79072805 LW |
130 | |
131 | } | |
132 | ||
133 | void | |
864dbfa3 | 134 | Perl_pop_scope(pTHX) |
79072805 | 135 | { |
3280af22 | 136 | I32 oldsave = PL_scopestack[--PL_scopestack_ix]; |
8990e307 | 137 | LEAVE_SCOPE(oldsave); |
79072805 LW |
138 | } |
139 | ||
140 | void | |
864dbfa3 | 141 | Perl_markstack_grow(pTHX) |
a0d0e21e | 142 | { |
3280af22 | 143 | I32 oldmax = PL_markstack_max - PL_markstack; |
2ce36478 | 144 | I32 newmax = GROW(oldmax); |
a0d0e21e | 145 | |
3280af22 NIS |
146 | Renew(PL_markstack, newmax, I32); |
147 | PL_markstack_ptr = PL_markstack + oldmax; | |
148 | PL_markstack_max = PL_markstack + newmax; | |
a0d0e21e LW |
149 | } |
150 | ||
151 | void | |
864dbfa3 | 152 | Perl_savestack_grow(pTHX) |
79072805 | 153 | { |
3280af22 NIS |
154 | PL_savestack_max = GROW(PL_savestack_max) + 4; |
155 | Renew(PL_savestack, PL_savestack_max, ANY); | |
79072805 LW |
156 | } |
157 | ||
2ce36478 SM |
158 | #undef GROW |
159 | ||
79072805 | 160 | void |
864dbfa3 | 161 | Perl_tmps_grow(pTHX_ I32 n) |
677b06e3 | 162 | { |
677b06e3 GS |
163 | #ifndef STRESS_REALLOC |
164 | if (n < 128) | |
165 | n = (PL_tmps_max < 512) ? 128 : 512; | |
166 | #endif | |
167 | PL_tmps_max = PL_tmps_ix + n + 1; | |
168 | Renew(PL_tmps_stack, PL_tmps_max, SV*); | |
169 | } | |
170 | ||
171 | ||
172 | void | |
864dbfa3 | 173 | Perl_free_tmps(pTHX) |
79072805 LW |
174 | { |
175 | /* XXX should tmps_floor live in cxstack? */ | |
3280af22 NIS |
176 | I32 myfloor = PL_tmps_floor; |
177 | while (PL_tmps_ix > myfloor) { /* clean up after last statement */ | |
178 | SV* sv = PL_tmps_stack[PL_tmps_ix]; | |
179 | PL_tmps_stack[PL_tmps_ix--] = Nullsv; | |
463ee0b2 | 180 | if (sv) { |
463ee0b2 | 181 | SvTEMP_off(sv); |
8990e307 | 182 | SvREFCNT_dec(sv); /* note, can modify tmps_ix!!! */ |
463ee0b2 | 183 | } |
79072805 LW |
184 | } |
185 | } | |
186 | ||
76e3520e | 187 | STATIC SV * |
cea2e8a9 | 188 | S_save_scalar_at(pTHX_ SV **sptr) |
79072805 LW |
189 | { |
190 | register SV *sv; | |
7a4c00b4 | 191 | SV *osv = *sptr; |
79072805 | 192 | |
7a4c00b4 | 193 | sv = *sptr = NEWSV(0,0); |
a0d0e21e | 194 | if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv) && SvTYPE(osv) != SVt_PVGV) { |
79072805 | 195 | sv_upgrade(sv, SvTYPE(osv)); |
a0d0e21e | 196 | if (SvGMAGICAL(osv)) { |
748a9306 | 197 | MAGIC* mg; |
3280af22 | 198 | bool oldtainted = PL_tainted; |
5cfc7842 | 199 | mg_get(osv); /* note, can croak! */ |
14befaf4 DM |
200 | if (PL_tainting && PL_tainted && |
201 | (mg = mg_find(osv, PERL_MAGIC_taint))) { | |
748a9306 LW |
202 | SAVESPTR(mg->mg_obj); |
203 | mg->mg_obj = osv; | |
204 | } | |
a0d0e21e | 205 | SvFLAGS(osv) |= (SvFLAGS(osv) & |
06759ea0 | 206 | (SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
3280af22 | 207 | PL_tainted = oldtainted; |
a0d0e21e | 208 | } |
79072805 | 209 | SvMAGIC(sv) = SvMAGIC(osv); |
a0d0e21e | 210 | SvFLAGS(sv) |= SvMAGICAL(osv); |
2d5e9e5d JH |
211 | /* XXX SvMAGIC() is *shared* between osv and sv. This can |
212 | * lead to coredumps when both SVs are destroyed without one | |
213 | * of their SvMAGIC() slots being NULLed. */ | |
3280af22 | 214 | PL_localizing = 1; |
79072805 | 215 | SvSETMAGIC(sv); |
3280af22 | 216 | PL_localizing = 0; |
79072805 LW |
217 | } |
218 | return sv; | |
219 | } | |
220 | ||
7a4c00b4 | 221 | SV * |
864dbfa3 | 222 | Perl_save_scalar(pTHX_ GV *gv) |
7a4c00b4 | 223 | { |
4e4c362e | 224 | SV **sptr = &GvSV(gv); |
7a4c00b4 | 225 | SSCHECK(3); |
4e4c362e GS |
226 | SSPUSHPTR(SvREFCNT_inc(gv)); |
227 | SSPUSHPTR(SvREFCNT_inc(*sptr)); | |
7a4c00b4 | 228 | SSPUSHINT(SAVEt_SV); |
4e4c362e | 229 | return save_scalar_at(sptr); |
7a4c00b4 | 230 | } |
231 | ||
232 | SV* | |
864dbfa3 | 233 | Perl_save_svref(pTHX_ SV **sptr) |
7a4c00b4 | 234 | { |
235 | SSCHECK(3); | |
236 | SSPUSHPTR(sptr); | |
4e4c362e | 237 | SSPUSHPTR(SvREFCNT_inc(*sptr)); |
7a4c00b4 | 238 | SSPUSHINT(SAVEt_SVREF); |
239 | return save_scalar_at(sptr); | |
240 | } | |
241 | ||
f4dd75d9 | 242 | /* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to |
b9d12d37 GS |
243 | * restore a global SV to its prior contents, freeing new value. */ |
244 | void | |
864dbfa3 | 245 | Perl_save_generic_svref(pTHX_ SV **sptr) |
b9d12d37 | 246 | { |
b9d12d37 GS |
247 | SSCHECK(3); |
248 | SSPUSHPTR(sptr); | |
249 | SSPUSHPTR(SvREFCNT_inc(*sptr)); | |
250 | SSPUSHINT(SAVEt_GENERIC_SVREF); | |
251 | } | |
252 | ||
f4dd75d9 GS |
253 | /* Like save_pptr(), but also Safefree()s the new value if it is different |
254 | * from the old one. Can be used to restore a global char* to its prior | |
255 | * contents, freeing new value. */ | |
256 | void | |
257 | Perl_save_generic_pvref(pTHX_ char **str) | |
258 | { | |
f4dd75d9 GS |
259 | SSCHECK(3); |
260 | SSPUSHPTR(str); | |
261 | SSPUSHPTR(*str); | |
262 | SSPUSHINT(SAVEt_GENERIC_PVREF); | |
263 | } | |
264 | ||
79072805 | 265 | void |
864dbfa3 | 266 | Perl_save_gp(pTHX_ GV *gv, I32 empty) |
79072805 | 267 | { |
fb73857a | 268 | SSCHECK(6); |
269 | SSPUSHIV((IV)SvLEN(gv)); | |
270 | SvLEN(gv) = 0; /* forget that anything was allocated here */ | |
271 | SSPUSHIV((IV)SvCUR(gv)); | |
272 | SSPUSHPTR(SvPVX(gv)); | |
273 | SvPOK_off(gv); | |
4633a7c4 | 274 | SSPUSHPTR(SvREFCNT_inc(gv)); |
5f05dabc | 275 | SSPUSHPTR(GvGP(gv)); |
79072805 LW |
276 | SSPUSHINT(SAVEt_GP); |
277 | ||
5f05dabc | 278 | if (empty) { |
279 | register GP *gp; | |
fae75791 | 280 | |
146174a9 CB |
281 | Newz(602, gp, 1, GP); |
282 | ||
fae75791 | 283 | if (GvCVu(gv)) |
3280af22 | 284 | PL_sub_generation++; /* taking a method out of circulation */ |
146174a9 CB |
285 | if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) { |
286 | gp->gp_io = newIO(); | |
287 | IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START; | |
288 | } | |
44a8e56a | 289 | GvGP(gv) = gp_ref(gp); |
5f05dabc | 290 | GvSV(gv) = NEWSV(72,0); |
146174a9 | 291 | GvLINE(gv) = CopLINE(PL_curcop); |
94051fc1 | 292 | GvFILE(gv) = CopFILE(PL_curcop) ? CopFILE(PL_curcop) : ""; |
5f05dabc | 293 | GvEGV(gv) = gv; |
294 | } | |
295 | else { | |
44a8e56a | 296 | gp_ref(GvGP(gv)); |
5f05dabc | 297 | GvINTRO_on(gv); |
298 | } | |
79072805 | 299 | } |
79072805 | 300 | |
79072805 | 301 | AV * |
864dbfa3 | 302 | Perl_save_ary(pTHX_ GV *gv) |
79072805 | 303 | { |
67a38de0 NIS |
304 | AV *oav = GvAVn(gv); |
305 | AV *av; | |
fb73857a | 306 | |
67a38de0 NIS |
307 | if (!AvREAL(oav) && AvREIFY(oav)) |
308 | av_reify(oav); | |
79072805 LW |
309 | SSCHECK(3); |
310 | SSPUSHPTR(gv); | |
67a38de0 | 311 | SSPUSHPTR(oav); |
79072805 LW |
312 | SSPUSHINT(SAVEt_AV); |
313 | ||
314 | GvAV(gv) = Null(AV*); | |
fb73857a | 315 | av = GvAVn(gv); |
316 | if (SvMAGIC(oav)) { | |
317 | SvMAGIC(av) = SvMAGIC(oav); | |
32da55ab | 318 | SvFLAGS((SV*)av) |= SvMAGICAL(oav); |
fb73857a | 319 | SvMAGICAL_off(oav); |
320 | SvMAGIC(oav) = 0; | |
3280af22 | 321 | PL_localizing = 1; |
fb73857a | 322 | SvSETMAGIC((SV*)av); |
3280af22 | 323 | PL_localizing = 0; |
fb73857a | 324 | } |
325 | return av; | |
79072805 LW |
326 | } |
327 | ||
328 | HV * | |
864dbfa3 | 329 | Perl_save_hash(pTHX_ GV *gv) |
79072805 | 330 | { |
fb73857a | 331 | HV *ohv, *hv; |
332 | ||
79072805 LW |
333 | SSCHECK(3); |
334 | SSPUSHPTR(gv); | |
fb73857a | 335 | SSPUSHPTR(ohv = GvHVn(gv)); |
79072805 LW |
336 | SSPUSHINT(SAVEt_HV); |
337 | ||
338 | GvHV(gv) = Null(HV*); | |
fb73857a | 339 | hv = GvHVn(gv); |
340 | if (SvMAGIC(ohv)) { | |
341 | SvMAGIC(hv) = SvMAGIC(ohv); | |
32da55ab | 342 | SvFLAGS((SV*)hv) |= SvMAGICAL(ohv); |
fb73857a | 343 | SvMAGICAL_off(ohv); |
344 | SvMAGIC(ohv) = 0; | |
3280af22 | 345 | PL_localizing = 1; |
fb73857a | 346 | SvSETMAGIC((SV*)hv); |
3280af22 | 347 | PL_localizing = 0; |
fb73857a | 348 | } |
349 | return hv; | |
79072805 LW |
350 | } |
351 | ||
352 | void | |
864dbfa3 | 353 | Perl_save_item(pTHX_ register SV *item) |
79072805 | 354 | { |
f46d017c | 355 | register SV *sv = NEWSV(0,0); |
79072805 | 356 | |
f46d017c | 357 | sv_setsv(sv,item); |
79072805 LW |
358 | SSCHECK(3); |
359 | SSPUSHPTR(item); /* remember the pointer */ | |
79072805 LW |
360 | SSPUSHPTR(sv); /* remember the value */ |
361 | SSPUSHINT(SAVEt_ITEM); | |
362 | } | |
363 | ||
364 | void | |
864dbfa3 | 365 | Perl_save_int(pTHX_ int *intp) |
79072805 LW |
366 | { |
367 | SSCHECK(3); | |
368 | SSPUSHINT(*intp); | |
369 | SSPUSHPTR(intp); | |
370 | SSPUSHINT(SAVEt_INT); | |
371 | } | |
372 | ||
373 | void | |
864dbfa3 | 374 | Perl_save_long(pTHX_ long int *longp) |
85e6fe83 LW |
375 | { |
376 | SSCHECK(3); | |
377 | SSPUSHLONG(*longp); | |
378 | SSPUSHPTR(longp); | |
379 | SSPUSHINT(SAVEt_LONG); | |
380 | } | |
381 | ||
382 | void | |
864dbfa3 | 383 | Perl_save_I32(pTHX_ I32 *intp) |
79072805 LW |
384 | { |
385 | SSCHECK(3); | |
386 | SSPUSHINT(*intp); | |
387 | SSPUSHPTR(intp); | |
388 | SSPUSHINT(SAVEt_I32); | |
389 | } | |
390 | ||
a0d0e21e | 391 | void |
864dbfa3 | 392 | Perl_save_I16(pTHX_ I16 *intp) |
55497cff | 393 | { |
394 | SSCHECK(3); | |
395 | SSPUSHINT(*intp); | |
396 | SSPUSHPTR(intp); | |
397 | SSPUSHINT(SAVEt_I16); | |
398 | } | |
399 | ||
400 | void | |
146174a9 CB |
401 | Perl_save_I8(pTHX_ I8 *bytep) |
402 | { | |
146174a9 CB |
403 | SSCHECK(3); |
404 | SSPUSHINT(*bytep); | |
405 | SSPUSHPTR(bytep); | |
406 | SSPUSHINT(SAVEt_I8); | |
407 | } | |
408 | ||
409 | void | |
864dbfa3 | 410 | Perl_save_iv(pTHX_ IV *ivp) |
a0d0e21e LW |
411 | { |
412 | SSCHECK(3); | |
4aa0a1f7 | 413 | SSPUSHIV(*ivp); |
a0d0e21e LW |
414 | SSPUSHPTR(ivp); |
415 | SSPUSHINT(SAVEt_IV); | |
416 | } | |
417 | ||
85e6fe83 LW |
418 | /* Cannot use save_sptr() to store a char* since the SV** cast will |
419 | * force word-alignment and we'll miss the pointer. | |
420 | */ | |
421 | void | |
864dbfa3 | 422 | Perl_save_pptr(pTHX_ char **pptr) |
85e6fe83 LW |
423 | { |
424 | SSCHECK(3); | |
425 | SSPUSHPTR(*pptr); | |
426 | SSPUSHPTR(pptr); | |
427 | SSPUSHINT(SAVEt_PPTR); | |
428 | } | |
429 | ||
79072805 | 430 | void |
146174a9 CB |
431 | Perl_save_vptr(pTHX_ void *ptr) |
432 | { | |
146174a9 CB |
433 | SSCHECK(3); |
434 | SSPUSHPTR(*(char**)ptr); | |
435 | SSPUSHPTR(ptr); | |
436 | SSPUSHINT(SAVEt_VPTR); | |
437 | } | |
438 | ||
439 | void | |
864dbfa3 | 440 | Perl_save_sptr(pTHX_ SV **sptr) |
79072805 LW |
441 | { |
442 | SSCHECK(3); | |
443 | SSPUSHPTR(*sptr); | |
444 | SSPUSHPTR(sptr); | |
445 | SSPUSHINT(SAVEt_SPTR); | |
446 | } | |
447 | ||
c3564e5c GS |
448 | void |
449 | Perl_save_padsv(pTHX_ PADOFFSET off) | |
450 | { | |
c3564e5c GS |
451 | SSCHECK(4); |
452 | SSPUSHPTR(PL_curpad[off]); | |
453 | SSPUSHPTR(PL_curpad); | |
454 | SSPUSHLONG((long)off); | |
455 | SSPUSHINT(SAVEt_PADSV); | |
456 | } | |
457 | ||
54b9620d | 458 | SV ** |
864dbfa3 | 459 | Perl_save_threadsv(pTHX_ PADOFFSET i) |
54b9620d | 460 | { |
4d1ff10f | 461 | #ifdef USE_5005THREADS |
940cb80d | 462 | SV **svp = &THREADSV(i); /* XXX Change to save by offset */ |
146174a9 CB |
463 | DEBUG_S(PerlIO_printf(Perl_debug_log, "save_threadsv %"UVuf": %p %p:%s\n", |
464 | (UV)i, svp, *svp, SvPEEK(*svp))); | |
54b9620d MB |
465 | save_svref(svp); |
466 | return svp; | |
467 | #else | |
cea2e8a9 | 468 | Perl_croak(aTHX_ "panic: save_threadsv called in non-threaded perl"); |
54b9620d | 469 | return 0; |
4d1ff10f | 470 | #endif /* USE_5005THREADS */ |
54b9620d MB |
471 | } |
472 | ||
79072805 | 473 | void |
864dbfa3 | 474 | Perl_save_nogv(pTHX_ GV *gv) |
79072805 LW |
475 | { |
476 | SSCHECK(2); | |
477 | SSPUSHPTR(gv); | |
478 | SSPUSHINT(SAVEt_NSTAB); | |
479 | } | |
480 | ||
481 | void | |
864dbfa3 | 482 | Perl_save_hptr(pTHX_ HV **hptr) |
79072805 LW |
483 | { |
484 | SSCHECK(3); | |
85e6fe83 | 485 | SSPUSHPTR(*hptr); |
79072805 LW |
486 | SSPUSHPTR(hptr); |
487 | SSPUSHINT(SAVEt_HPTR); | |
488 | } | |
489 | ||
490 | void | |
864dbfa3 | 491 | Perl_save_aptr(pTHX_ AV **aptr) |
79072805 LW |
492 | { |
493 | SSCHECK(3); | |
85e6fe83 | 494 | SSPUSHPTR(*aptr); |
79072805 LW |
495 | SSPUSHPTR(aptr); |
496 | SSPUSHINT(SAVEt_APTR); | |
497 | } | |
498 | ||
499 | void | |
864dbfa3 | 500 | Perl_save_freesv(pTHX_ SV *sv) |
8990e307 LW |
501 | { |
502 | SSCHECK(2); | |
503 | SSPUSHPTR(sv); | |
504 | SSPUSHINT(SAVEt_FREESV); | |
505 | } | |
506 | ||
507 | void | |
26d9b02f JH |
508 | Perl_save_mortalizesv(pTHX_ SV *sv) |
509 | { | |
510 | SSCHECK(2); | |
511 | SSPUSHPTR(sv); | |
512 | SSPUSHINT(SAVEt_MORTALIZESV); | |
513 | } | |
514 | ||
515 | void | |
864dbfa3 | 516 | Perl_save_freeop(pTHX_ OP *o) |
8990e307 LW |
517 | { |
518 | SSCHECK(2); | |
11343788 | 519 | SSPUSHPTR(o); |
8990e307 LW |
520 | SSPUSHINT(SAVEt_FREEOP); |
521 | } | |
522 | ||
523 | void | |
864dbfa3 | 524 | Perl_save_freepv(pTHX_ char *pv) |
8990e307 LW |
525 | { |
526 | SSCHECK(2); | |
527 | SSPUSHPTR(pv); | |
528 | SSPUSHINT(SAVEt_FREEPV); | |
529 | } | |
530 | ||
531 | void | |
864dbfa3 | 532 | Perl_save_clearsv(pTHX_ SV **svp) |
8990e307 LW |
533 | { |
534 | SSCHECK(2); | |
3280af22 | 535 | SSPUSHLONG((long)(svp-PL_curpad)); |
8990e307 LW |
536 | SSPUSHINT(SAVEt_CLEARSV); |
537 | } | |
538 | ||
539 | void | |
864dbfa3 | 540 | Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen) |
8990e307 LW |
541 | { |
542 | SSCHECK(4); | |
543 | SSPUSHINT(klen); | |
544 | SSPUSHPTR(key); | |
4e4c362e | 545 | SSPUSHPTR(SvREFCNT_inc(hv)); |
8990e307 LW |
546 | SSPUSHINT(SAVEt_DELETE); |
547 | } | |
548 | ||
549 | void | |
864dbfa3 | 550 | Perl_save_list(pTHX_ register SV **sarg, I32 maxsarg) |
79072805 LW |
551 | { |
552 | register SV *sv; | |
553 | register I32 i; | |
554 | ||
79072805 | 555 | for (i = 1; i <= maxsarg; i++) { |
79072805 LW |
556 | sv = NEWSV(0,0); |
557 | sv_setsv(sv,sarg[i]); | |
f46d017c GS |
558 | SSCHECK(3); |
559 | SSPUSHPTR(sarg[i]); /* remember the pointer */ | |
79072805 LW |
560 | SSPUSHPTR(sv); /* remember the value */ |
561 | SSPUSHINT(SAVEt_ITEM); | |
562 | } | |
563 | } | |
564 | ||
565 | void | |
146174a9 | 566 | Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p) |
a0d0e21e LW |
567 | { |
568 | SSCHECK(3); | |
569 | SSPUSHDPTR(f); | |
570 | SSPUSHPTR(p); | |
571 | SSPUSHINT(SAVEt_DESTRUCTOR); | |
572 | } | |
573 | ||
574 | void | |
146174a9 CB |
575 | Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p) |
576 | { | |
146174a9 CB |
577 | SSCHECK(3); |
578 | SSPUSHDXPTR(f); | |
579 | SSPUSHPTR(p); | |
580 | SSPUSHINT(SAVEt_DESTRUCTOR_X); | |
581 | } | |
582 | ||
583 | void | |
864dbfa3 | 584 | Perl_save_aelem(pTHX_ AV *av, I32 idx, SV **sptr) |
4e4c362e | 585 | { |
4e4c362e GS |
586 | SSCHECK(4); |
587 | SSPUSHPTR(SvREFCNT_inc(av)); | |
588 | SSPUSHINT(idx); | |
589 | SSPUSHPTR(SvREFCNT_inc(*sptr)); | |
590 | SSPUSHINT(SAVEt_AELEM); | |
591 | save_scalar_at(sptr); | |
592 | } | |
593 | ||
594 | void | |
864dbfa3 | 595 | Perl_save_helem(pTHX_ HV *hv, SV *key, SV **sptr) |
4e4c362e | 596 | { |
4e4c362e GS |
597 | SSCHECK(4); |
598 | SSPUSHPTR(SvREFCNT_inc(hv)); | |
599 | SSPUSHPTR(SvREFCNT_inc(key)); | |
600 | SSPUSHPTR(SvREFCNT_inc(*sptr)); | |
601 | SSPUSHINT(SAVEt_HELEM); | |
602 | save_scalar_at(sptr); | |
603 | } | |
604 | ||
605 | void | |
864dbfa3 | 606 | Perl_save_op(pTHX) |
462e5cf6 | 607 | { |
462e5cf6 | 608 | SSCHECK(2); |
533c011a | 609 | SSPUSHPTR(PL_op); |
462e5cf6 MB |
610 | SSPUSHINT(SAVEt_OP); |
611 | } | |
612 | ||
455ece5e | 613 | I32 |
864dbfa3 | 614 | Perl_save_alloc(pTHX_ I32 size, I32 pad) |
455ece5e | 615 | { |
455ece5e AD |
616 | register I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix] |
617 | - (char*)PL_savestack); | |
618 | register I32 elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack)); | |
619 | ||
620 | /* SSCHECK may not be good enough */ | |
621 | while (PL_savestack_ix + elems + 2 > PL_savestack_max) | |
622 | savestack_grow(); | |
623 | ||
624 | PL_savestack_ix += elems; | |
625 | SSPUSHINT(elems); | |
626 | SSPUSHINT(SAVEt_ALLOC); | |
627 | return start; | |
628 | } | |
629 | ||
462e5cf6 | 630 | void |
864dbfa3 | 631 | Perl_leave_scope(pTHX_ I32 base) |
79072805 LW |
632 | { |
633 | register SV *sv; | |
634 | register SV *value; | |
635 | register GV *gv; | |
636 | register AV *av; | |
637 | register HV *hv; | |
638 | register void* ptr; | |
f4dd75d9 | 639 | register char* str; |
161b7d16 | 640 | I32 i; |
79072805 LW |
641 | |
642 | if (base < -1) | |
cea2e8a9 | 643 | Perl_croak(aTHX_ "panic: corrupt saved stack index"); |
3280af22 | 644 | while (PL_savestack_ix > base) { |
79072805 LW |
645 | switch (SSPOPINT) { |
646 | case SAVEt_ITEM: /* normal string */ | |
647 | value = (SV*)SSPOPPTR; | |
648 | sv = (SV*)SSPOPPTR; | |
649 | sv_replace(sv,value); | |
3280af22 | 650 | PL_localizing = 2; |
79072805 | 651 | SvSETMAGIC(sv); |
3280af22 | 652 | PL_localizing = 0; |
79072805 LW |
653 | break; |
654 | case SAVEt_SV: /* scalar reference */ | |
655 | value = (SV*)SSPOPPTR; | |
656 | gv = (GV*)SSPOPPTR; | |
7a4c00b4 | 657 | ptr = &GvSV(gv); |
4e4c362e | 658 | SvREFCNT_dec(gv); |
7a4c00b4 | 659 | goto restore_sv; |
f4dd75d9 GS |
660 | case SAVEt_GENERIC_PVREF: /* generic pv */ |
661 | str = (char*)SSPOPPTR; | |
662 | ptr = SSPOPPTR; | |
663 | if (*(char**)ptr != str) { | |
664 | Safefree(*(char**)ptr); | |
665 | *(char**)ptr = str; | |
666 | } | |
667 | break; | |
b9d12d37 GS |
668 | case SAVEt_GENERIC_SVREF: /* generic sv */ |
669 | value = (SV*)SSPOPPTR; | |
670 | ptr = SSPOPPTR; | |
f4dd75d9 GS |
671 | sv = *(SV**)ptr; |
672 | *(SV**)ptr = value; | |
673 | SvREFCNT_dec(sv); | |
b9d12d37 GS |
674 | SvREFCNT_dec(value); |
675 | break; | |
79072805 | 676 | case SAVEt_SVREF: /* scalar reference */ |
7a4c00b4 | 677 | value = (SV*)SSPOPPTR; |
79072805 | 678 | ptr = SSPOPPTR; |
7a4c00b4 | 679 | restore_sv: |
79072805 | 680 | sv = *(SV**)ptr; |
146174a9 | 681 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
54b9620d MB |
682 | "restore svref: %p %p:%s -> %p:%s\n", |
683 | ptr, sv, SvPEEK(sv), value, SvPEEK(value))); | |
748a9306 LW |
684 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv) && |
685 | SvTYPE(sv) != SVt_PVGV) | |
686 | { | |
a0d0e21e LW |
687 | (void)SvUPGRADE(value, SvTYPE(sv)); |
688 | SvMAGIC(value) = SvMAGIC(sv); | |
689 | SvFLAGS(value) |= SvMAGICAL(sv); | |
690 | SvMAGICAL_off(sv); | |
79072805 | 691 | SvMAGIC(sv) = 0; |
a0d0e21e | 692 | } |
2d5e9e5d JH |
693 | /* XXX This branch is pretty bogus. This code irretrievably |
694 | * clears(!) the magic on the SV (either to avoid further | |
695 | * croaking that might ensue when the SvSETMAGIC() below is | |
696 | * called, or to avoid two different SVs pointing at the same | |
697 | * SvMAGIC()). This needs a total rethink. --GSAR */ | |
7a4c00b4 | 698 | else if (SvTYPE(value) >= SVt_PVMG && SvMAGIC(value) && |
699 | SvTYPE(value) != SVt_PVGV) | |
700 | { | |
701 | SvFLAGS(value) |= (SvFLAGS(value) & | |
06759ea0 | 702 | (SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
7a4c00b4 | 703 | SvMAGICAL_off(value); |
2d5e9e5d JH |
704 | /* XXX this is a leak when we get here because the |
705 | * mg_get() in save_scalar_at() croaked */ | |
706 | SvMAGIC(value) = 0; | |
7a4c00b4 | 707 | } |
8990e307 | 708 | SvREFCNT_dec(sv); |
a0d0e21e | 709 | *(SV**)ptr = value; |
3280af22 | 710 | PL_localizing = 2; |
a0d0e21e | 711 | SvSETMAGIC(value); |
3280af22 | 712 | PL_localizing = 0; |
4e4c362e | 713 | SvREFCNT_dec(value); |
79072805 LW |
714 | break; |
715 | case SAVEt_AV: /* array reference */ | |
716 | av = (AV*)SSPOPPTR; | |
717 | gv = (GV*)SSPOPPTR; | |
fb73857a | 718 | if (GvAV(gv)) { |
719 | AV *goner = GvAV(gv); | |
720 | SvMAGIC(av) = SvMAGIC(goner); | |
32da55ab | 721 | SvFLAGS((SV*)av) |= SvMAGICAL(goner); |
fb73857a | 722 | SvMAGICAL_off(goner); |
723 | SvMAGIC(goner) = 0; | |
724 | SvREFCNT_dec(goner); | |
725 | } | |
79072805 | 726 | GvAV(gv) = av; |
fb73857a | 727 | if (SvMAGICAL(av)) { |
3280af22 | 728 | PL_localizing = 2; |
fb73857a | 729 | SvSETMAGIC((SV*)av); |
3280af22 | 730 | PL_localizing = 0; |
fb73857a | 731 | } |
79072805 LW |
732 | break; |
733 | case SAVEt_HV: /* hash reference */ | |
734 | hv = (HV*)SSPOPPTR; | |
735 | gv = (GV*)SSPOPPTR; | |
fb73857a | 736 | if (GvHV(gv)) { |
737 | HV *goner = GvHV(gv); | |
738 | SvMAGIC(hv) = SvMAGIC(goner); | |
739 | SvFLAGS(hv) |= SvMAGICAL(goner); | |
740 | SvMAGICAL_off(goner); | |
741 | SvMAGIC(goner) = 0; | |
742 | SvREFCNT_dec(goner); | |
743 | } | |
79072805 | 744 | GvHV(gv) = hv; |
fb73857a | 745 | if (SvMAGICAL(hv)) { |
3280af22 | 746 | PL_localizing = 2; |
fb73857a | 747 | SvSETMAGIC((SV*)hv); |
3280af22 | 748 | PL_localizing = 0; |
fb73857a | 749 | } |
79072805 LW |
750 | break; |
751 | case SAVEt_INT: /* int reference */ | |
752 | ptr = SSPOPPTR; | |
753 | *(int*)ptr = (int)SSPOPINT; | |
754 | break; | |
85e6fe83 LW |
755 | case SAVEt_LONG: /* long reference */ |
756 | ptr = SSPOPPTR; | |
757 | *(long*)ptr = (long)SSPOPLONG; | |
758 | break; | |
79072805 LW |
759 | case SAVEt_I32: /* I32 reference */ |
760 | ptr = SSPOPPTR; | |
761 | *(I32*)ptr = (I32)SSPOPINT; | |
762 | break; | |
55497cff | 763 | case SAVEt_I16: /* I16 reference */ |
764 | ptr = SSPOPPTR; | |
765 | *(I16*)ptr = (I16)SSPOPINT; | |
766 | break; | |
146174a9 CB |
767 | case SAVEt_I8: /* I8 reference */ |
768 | ptr = SSPOPPTR; | |
769 | *(I8*)ptr = (I8)SSPOPINT; | |
770 | break; | |
a0d0e21e LW |
771 | case SAVEt_IV: /* IV reference */ |
772 | ptr = SSPOPPTR; | |
773 | *(IV*)ptr = (IV)SSPOPIV; | |
774 | break; | |
79072805 LW |
775 | case SAVEt_SPTR: /* SV* reference */ |
776 | ptr = SSPOPPTR; | |
777 | *(SV**)ptr = (SV*)SSPOPPTR; | |
778 | break; | |
146174a9 | 779 | case SAVEt_VPTR: /* random* reference */ |
85e6fe83 LW |
780 | case SAVEt_PPTR: /* char* reference */ |
781 | ptr = SSPOPPTR; | |
782 | *(char**)ptr = (char*)SSPOPPTR; | |
783 | break; | |
79072805 LW |
784 | case SAVEt_HPTR: /* HV* reference */ |
785 | ptr = SSPOPPTR; | |
786 | *(HV**)ptr = (HV*)SSPOPPTR; | |
787 | break; | |
788 | case SAVEt_APTR: /* AV* reference */ | |
789 | ptr = SSPOPPTR; | |
790 | *(AV**)ptr = (AV*)SSPOPPTR; | |
791 | break; | |
792 | case SAVEt_NSTAB: | |
793 | gv = (GV*)SSPOPPTR; | |
1f96a9ed | 794 | (void)sv_clear((SV*)gv); |
79072805 | 795 | break; |
fb73857a | 796 | case SAVEt_GP: /* scalar reference */ |
79072805 LW |
797 | ptr = SSPOPPTR; |
798 | gv = (GV*)SSPOPPTR; | |
ed6c1d6b | 799 | if (SvPVX(gv) && SvLEN(gv) > 0) { |
fb73857a | 800 | Safefree(SvPVX(gv)); |
801 | } | |
802 | SvPVX(gv) = (char *)SSPOPPTR; | |
803 | SvCUR(gv) = (STRLEN)SSPOPIV; | |
804 | SvLEN(gv) = (STRLEN)SSPOPIV; | |
f46d017c GS |
805 | gp_free(gv); |
806 | GvGP(gv) = (GP*)ptr; | |
fae75791 | 807 | if (GvCVu(gv)) |
3280af22 | 808 | PL_sub_generation++; /* putting a method back into circulation */ |
4633a7c4 | 809 | SvREFCNT_dec(gv); |
79072805 | 810 | break; |
8990e307 LW |
811 | case SAVEt_FREESV: |
812 | ptr = SSPOPPTR; | |
813 | SvREFCNT_dec((SV*)ptr); | |
814 | break; | |
26d9b02f JH |
815 | case SAVEt_MORTALIZESV: |
816 | ptr = SSPOPPTR; | |
817 | sv_2mortal((SV*)ptr); | |
818 | break; | |
8990e307 LW |
819 | case SAVEt_FREEOP: |
820 | ptr = SSPOPPTR; | |
3280af22 NIS |
821 | if (PL_comppad) |
822 | PL_curpad = AvARRAY(PL_comppad); | |
8990e307 LW |
823 | op_free((OP*)ptr); |
824 | break; | |
825 | case SAVEt_FREEPV: | |
826 | ptr = SSPOPPTR; | |
827 | Safefree((char*)ptr); | |
828 | break; | |
829 | case SAVEt_CLEARSV: | |
3280af22 | 830 | ptr = (void*)&PL_curpad[SSPOPLONG]; |
8990e307 | 831 | sv = *(SV**)ptr; |
bc44cdaf GS |
832 | /* Can clear pad variable in place? */ |
833 | if (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) { | |
6fc92669 | 834 | if (SvTHINKFIRST(sv)) |
840a7b70 | 835 | sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF); |
a0d0e21e LW |
836 | if (SvMAGICAL(sv)) |
837 | mg_free(sv); | |
8990e307 LW |
838 | |
839 | switch (SvTYPE(sv)) { | |
840 | case SVt_NULL: | |
841 | break; | |
842 | case SVt_PVAV: | |
44a8e56a | 843 | av_clear((AV*)sv); |
8990e307 LW |
844 | break; |
845 | case SVt_PVHV: | |
44a8e56a | 846 | hv_clear((HV*)sv); |
8990e307 LW |
847 | break; |
848 | case SVt_PVCV: | |
cea2e8a9 | 849 | Perl_croak(aTHX_ "panic: leave_scope pad code"); |
5377b701 CS |
850 | case SVt_RV: |
851 | case SVt_IV: | |
852 | case SVt_NV: | |
853 | (void)SvOK_off(sv); | |
8990e307 LW |
854 | break; |
855 | default: | |
a0d0e21e | 856 | (void)SvOK_off(sv); |
5377b701 | 857 | (void)SvOOK_off(sv); |
8990e307 LW |
858 | break; |
859 | } | |
860 | } | |
861 | else { /* Someone has a claim on this, so abandon it. */ | |
4aa0a1f7 | 862 | U32 padflags = SvFLAGS(sv) & (SVs_PADBUSY|SVs_PADMY|SVs_PADTMP); |
8990e307 LW |
863 | switch (SvTYPE(sv)) { /* Console ourselves with a new value */ |
864 | case SVt_PVAV: *(SV**)ptr = (SV*)newAV(); break; | |
865 | case SVt_PVHV: *(SV**)ptr = (SV*)newHV(); break; | |
866 | default: *(SV**)ptr = NEWSV(0,0); break; | |
867 | } | |
53868620 | 868 | SvREFCNT_dec(sv); /* Cast current value to the winds. */ |
4aa0a1f7 | 869 | SvFLAGS(*(SV**)ptr) |= padflags; /* preserve pad nature */ |
8990e307 LW |
870 | } |
871 | break; | |
872 | case SAVEt_DELETE: | |
873 | ptr = SSPOPPTR; | |
874 | hv = (HV*)ptr; | |
875 | ptr = SSPOPPTR; | |
748a9306 | 876 | (void)hv_delete(hv, (char*)ptr, (U32)SSPOPINT, G_DISCARD); |
4e4c362e | 877 | SvREFCNT_dec(hv); |
57813020 | 878 | Safefree(ptr); |
8990e307 | 879 | break; |
a0d0e21e LW |
880 | case SAVEt_DESTRUCTOR: |
881 | ptr = SSPOPPTR; | |
146174a9 CB |
882 | (*SSPOPDPTR)(ptr); |
883 | break; | |
884 | case SAVEt_DESTRUCTOR_X: | |
885 | ptr = SSPOPPTR; | |
acfe0abc | 886 | (*SSPOPDXPTR)(aTHX_ ptr); |
a0d0e21e LW |
887 | break; |
888 | case SAVEt_REGCONTEXT: | |
455ece5e | 889 | case SAVEt_ALLOC: |
161b7d16 | 890 | i = SSPOPINT; |
3280af22 | 891 | PL_savestack_ix -= i; /* regexp must have croaked */ |
a0d0e21e | 892 | break; |
55497cff | 893 | case SAVEt_STACK_POS: /* Position on Perl stack */ |
161b7d16 | 894 | i = SSPOPINT; |
3280af22 | 895 | PL_stack_sp = PL_stack_base + i; |
55497cff | 896 | break; |
161b7d16 SM |
897 | case SAVEt_AELEM: /* array element */ |
898 | value = (SV*)SSPOPPTR; | |
899 | i = SSPOPINT; | |
900 | av = (AV*)SSPOPPTR; | |
901 | ptr = av_fetch(av,i,1); | |
4e4c362e GS |
902 | if (ptr) { |
903 | sv = *(SV**)ptr; | |
3280af22 | 904 | if (sv && sv != &PL_sv_undef) { |
14befaf4 | 905 | if (SvTIED_mg((SV*)av, PERL_MAGIC_tied)) |
4e4c362e GS |
906 | (void)SvREFCNT_inc(sv); |
907 | SvREFCNT_dec(av); | |
908 | goto restore_sv; | |
909 | } | |
910 | } | |
911 | SvREFCNT_dec(av); | |
912 | SvREFCNT_dec(value); | |
913 | break; | |
161b7d16 SM |
914 | case SAVEt_HELEM: /* hash element */ |
915 | value = (SV*)SSPOPPTR; | |
9002cb76 | 916 | sv = (SV*)SSPOPPTR; |
161b7d16 SM |
917 | hv = (HV*)SSPOPPTR; |
918 | ptr = hv_fetch_ent(hv, sv, 1, 0); | |
4e4c362e GS |
919 | if (ptr) { |
920 | SV *oval = HeVAL((HE*)ptr); | |
3280af22 | 921 | if (oval && oval != &PL_sv_undef) { |
4e4c362e | 922 | ptr = &HeVAL((HE*)ptr); |
14befaf4 | 923 | if (SvTIED_mg((SV*)hv, PERL_MAGIC_tied)) |
4e4c362e GS |
924 | (void)SvREFCNT_inc(*(SV**)ptr); |
925 | SvREFCNT_dec(hv); | |
926 | SvREFCNT_dec(sv); | |
927 | goto restore_sv; | |
928 | } | |
929 | } | |
930 | SvREFCNT_dec(hv); | |
931 | SvREFCNT_dec(sv); | |
932 | SvREFCNT_dec(value); | |
933 | break; | |
462e5cf6 | 934 | case SAVEt_OP: |
533c011a | 935 | PL_op = (OP*)SSPOPPTR; |
462e5cf6 | 936 | break; |
25eaa213 | 937 | case SAVEt_HINTS: |
3280af22 | 938 | *(I32*)&PL_hints = (I32)SSPOPINT; |
b3ac6de7 | 939 | break; |
cb50131a CB |
940 | case SAVEt_COMPPAD: |
941 | PL_comppad = (AV*)SSPOPPTR; | |
942 | if (PL_comppad) | |
943 | PL_curpad = AvARRAY(PL_comppad); | |
944 | else | |
945 | PL_curpad = Null(SV**); | |
946 | break; | |
c3564e5c GS |
947 | case SAVEt_PADSV: |
948 | { | |
949 | PADOFFSET off = (PADOFFSET)SSPOPLONG; | |
950 | ptr = SSPOPPTR; | |
951 | if (ptr) | |
952 | ((SV**)ptr)[off] = (SV*)SSPOPPTR; | |
953 | } | |
954 | break; | |
79072805 | 955 | default: |
cea2e8a9 | 956 | Perl_croak(aTHX_ "panic: leave_scope inconsistency"); |
79072805 LW |
957 | } |
958 | } | |
959 | } | |
8990e307 | 960 | |
8990e307 | 961 | void |
864dbfa3 | 962 | Perl_cx_dump(pTHX_ PERL_CONTEXT *cx) |
8990e307 | 963 | { |
35ff7856 | 964 | #ifdef DEBUGGING |
22c35a8c | 965 | PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]); |
6b35e009 | 966 | if (CxTYPE(cx) != CXt_SUBST) { |
760ac839 | 967 | PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp); |
146174a9 CB |
968 | PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n", |
969 | PTR2UV(cx->blk_oldcop)); | |
760ac839 LW |
970 | PerlIO_printf(Perl_debug_log, "BLK_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp); |
971 | PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp); | |
972 | PerlIO_printf(Perl_debug_log, "BLK_OLDRETSP = %ld\n", (long)cx->blk_oldretsp); | |
146174a9 CB |
973 | PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n", |
974 | PTR2UV(cx->blk_oldpm)); | |
760ac839 | 975 | PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", cx->blk_gimme ? "LIST" : "SCALAR"); |
8990e307 | 976 | } |
6b35e009 | 977 | switch (CxTYPE(cx)) { |
8990e307 LW |
978 | case CXt_NULL: |
979 | case CXt_BLOCK: | |
980 | break; | |
146174a9 CB |
981 | case CXt_FORMAT: |
982 | PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n", | |
983 | PTR2UV(cx->blk_sub.cv)); | |
984 | PerlIO_printf(Perl_debug_log, "BLK_SUB.GV = 0x%"UVxf"\n", | |
985 | PTR2UV(cx->blk_sub.gv)); | |
986 | PerlIO_printf(Perl_debug_log, "BLK_SUB.DFOUTGV = 0x%"UVxf"\n", | |
987 | PTR2UV(cx->blk_sub.dfoutgv)); | |
988 | PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n", | |
989 | (int)cx->blk_sub.hasargs); | |
990 | break; | |
8990e307 | 991 | case CXt_SUB: |
146174a9 CB |
992 | PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n", |
993 | PTR2UV(cx->blk_sub.cv)); | |
760ac839 | 994 | PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n", |
8990e307 | 995 | (long)cx->blk_sub.olddepth); |
760ac839 | 996 | PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n", |
8990e307 | 997 | (int)cx->blk_sub.hasargs); |
146174a9 CB |
998 | PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n", |
999 | (int)cx->blk_sub.lval); | |
8990e307 LW |
1000 | break; |
1001 | case CXt_EVAL: | |
760ac839 | 1002 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n", |
8990e307 | 1003 | (long)cx->blk_eval.old_in_eval); |
760ac839 | 1004 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n", |
22c35a8c GS |
1005 | PL_op_name[cx->blk_eval.old_op_type], |
1006 | PL_op_desc[cx->blk_eval.old_op_type]); | |
0f79a09d GS |
1007 | if (cx->blk_eval.old_namesv) |
1008 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n", | |
1009 | SvPVX(cx->blk_eval.old_namesv)); | |
146174a9 CB |
1010 | PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n", |
1011 | PTR2UV(cx->blk_eval.old_eval_root)); | |
8990e307 LW |
1012 | break; |
1013 | ||
1014 | case CXt_LOOP: | |
760ac839 | 1015 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n", |
8990e307 | 1016 | cx->blk_loop.label); |
760ac839 | 1017 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n", |
8990e307 | 1018 | (long)cx->blk_loop.resetsp); |
146174a9 CB |
1019 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.REDO_OP = 0x%"UVxf"\n", |
1020 | PTR2UV(cx->blk_loop.redo_op)); | |
1021 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.NEXT_OP = 0x%"UVxf"\n", | |
1022 | PTR2UV(cx->blk_loop.next_op)); | |
1023 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.LAST_OP = 0x%"UVxf"\n", | |
1024 | PTR2UV(cx->blk_loop.last_op)); | |
760ac839 | 1025 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n", |
8990e307 | 1026 | (long)cx->blk_loop.iterix); |
146174a9 CB |
1027 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n", |
1028 | PTR2UV(cx->blk_loop.iterary)); | |
1029 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n", | |
1030 | PTR2UV(CxITERVAR(cx))); | |
1031 | if (CxITERVAR(cx)) | |
1032 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERSAVE = 0x%"UVxf"\n", | |
1033 | PTR2UV(cx->blk_loop.itersave)); | |
1034 | PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERLVAL = 0x%"UVxf"\n", | |
1035 | PTR2UV(cx->blk_loop.iterlval)); | |
8990e307 LW |
1036 | break; |
1037 | ||
1038 | case CXt_SUBST: | |
760ac839 | 1039 | PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n", |
8990e307 | 1040 | (long)cx->sb_iters); |
760ac839 | 1041 | PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n", |
8990e307 | 1042 | (long)cx->sb_maxiters); |
35ef4773 GS |
1043 | PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n", |
1044 | (long)cx->sb_rflags); | |
760ac839 | 1045 | PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n", |
8990e307 | 1046 | (long)cx->sb_once); |
760ac839 | 1047 | PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n", |
8990e307 | 1048 | cx->sb_orig); |
146174a9 CB |
1049 | PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%"UVxf"\n", |
1050 | PTR2UV(cx->sb_dstr)); | |
1051 | PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%"UVxf"\n", | |
1052 | PTR2UV(cx->sb_targ)); | |
1053 | PerlIO_printf(Perl_debug_log, "SB_S = 0x%"UVxf"\n", | |
1054 | PTR2UV(cx->sb_s)); | |
1055 | PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n", | |
1056 | PTR2UV(cx->sb_m)); | |
1057 | PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%"UVxf"\n", | |
1058 | PTR2UV(cx->sb_strend)); | |
1059 | PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%"UVxf"\n", | |
1060 | PTR2UV(cx->sb_rxres)); | |
8990e307 LW |
1061 | break; |
1062 | } | |
17c3b450 | 1063 | #endif /* DEBUGGING */ |
35ff7856 | 1064 | } |