/* scope.c
*
- * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 by Larry Wall and others
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ * 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*/
/*
- * "For the fashion of Minas Tirith was such that it was built on seven
- * levels..."
+ * For the fashion of Minas Tirith was such that it was built on seven
+ * levels...
+ *
+ * [p.751 of _The Lord of the Rings_, V/i: "Minas Tirith"]
*/
/* This file contains functions to manipulate several of Perl's stacks;
dVAR;
const IV old_max = cxstack_max;
cxstack_max = GROW(cxstack_max);
- Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); /* XXX should fix CXINC macro */
+ Renew(cxstack, cxstack_max + 1, PERL_CONTEXT);
/* Without any kind of initialising deep enough recursion
* will end up reading uninitialised PERL_CONTEXTs. */
PoisonNew(cxstack + old_max + 1, cxstack_max - old_max, PERL_CONTEXT);
if (PL_scopestack_ix == PL_scopestack_max) {
PL_scopestack_max = GROW(PL_scopestack_max);
Renew(PL_scopestack, PL_scopestack_max, I32);
+#ifdef DEBUGGING
+ Renew(PL_scopestack_name, PL_scopestack_max, const char*);
+#endif
}
+#ifdef DEBUGGING
+ PL_scopestack_name[PL_scopestack_ix] = "unknown";
+#endif
PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix;
}
}
STATIC SV *
-S_save_scalar_at(pTHX_ SV **sptr)
+S_save_scalar_at(pTHX_ SV **sptr, const U32 flags)
{
dVAR;
- SV * const osv = *sptr;
- register SV * const sv = *sptr = newSV(0);
+ SV * osv;
+ register SV *sv;
PERL_ARGS_ASSERT_SAVE_SCALAR_AT;
+ osv = *sptr;
+ sv = (flags & SAVEf_KEEPOLDELEM) ? osv : (*sptr = newSV(0));
+
if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv) && SvTYPE(osv) != SVt_PVGV) {
if (SvGMAGICAL(osv)) {
- const bool oldtainted = PL_tainted;
SvFLAGS(osv) |= (SvFLAGS(osv) &
(SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
- PL_tainted = oldtainted;
}
- mg_localize(osv, sv);
+ if (!(flags & SAVEf_KEEPOLDELEM))
+ mg_localize(osv, sv, (flags & SAVEf_SETMAGIC) != 0);
}
+
return sv;
}
+void
+Perl_save_pushptrptr(pTHX_ void *const ptr1, void *const ptr2, const int type)
+{
+ dVAR;
+ SSCHECK(3);
+ SSPUSHPTR(ptr1);
+ SSPUSHPTR(ptr2);
+ SSPUSHUV(type);
+}
+
SV *
Perl_save_scalar(pTHX_ GV *gv)
{
PL_localizing = 1;
SvGETMAGIC(*sptr);
PL_localizing = 0;
- SSCHECK(3);
- SSPUSHPTR(SvREFCNT_inc_simple(gv));
- SSPUSHPTR(SvREFCNT_inc(*sptr));
- SSPUSHINT(SAVEt_SV);
- return save_scalar_at(sptr);
+ save_pushptrptr(SvREFCNT_inc_simple(gv), SvREFCNT_inc(*sptr), SAVEt_SV);
+ return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */
}
/* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to
PERL_ARGS_ASSERT_SAVE_GENERIC_SVREF;
- SSCHECK(3);
- SSPUSHPTR(sptr);
- SSPUSHPTR(SvREFCNT_inc(*sptr));
- SSPUSHINT(SAVEt_GENERIC_SVREF);
+ save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_GENERIC_SVREF);
}
/* Like save_pptr(), but also Safefree()s the new value if it is different
PERL_ARGS_ASSERT_SAVE_GENERIC_PVREF;
- SSCHECK(3);
- SSPUSHPTR(*str);
- SSPUSHPTR(str);
- SSPUSHINT(SAVEt_GENERIC_PVREF);
+ save_pushptrptr(*str, str, SAVEt_GENERIC_PVREF);
}
/* Like save_generic_pvref(), but uses PerlMemShared_free() rather than Safefree().
PERL_ARGS_ASSERT_SAVE_SHARED_PVREF;
- SSCHECK(3);
- SSPUSHPTR(str);
- SSPUSHPTR(*str);
- SSPUSHINT(SAVEt_SHARED_PVREF);
+ save_pushptrptr(str, *str, SAVEt_SHARED_PVREF);
}
/* set the SvFLAGS specified by mask to the values in val */
SSPUSHPTR(sv);
SSPUSHINT(mask);
SSPUSHINT(val);
- SSPUSHINT(SAVEt_SET_SVFLAGS);
+ SSPUSHUV(SAVEt_SET_SVFLAGS);
}
void
PERL_ARGS_ASSERT_SAVE_GP;
- SSGROW(3);
- SSPUSHPTR(SvREFCNT_inc(gv));
+ SSCHECK(4);
+ SSPUSHINT(SvFAKE(gv));
SSPUSHPTR(GvGP(gv));
- SSPUSHINT(SAVEt_GP);
+ SSPUSHPTR(SvREFCNT_inc(gv));
+ SSPUSHUV(SAVEt_GP);
+
+ /* Don't let the localized GV coerce into non-glob, otherwise we would
+ * not be able to restore GP upon leave from context if that happened */
+ SvFAKE_off(gv);
if (empty) {
GP *gp = Perl_newGP(aTHX_ gv);
if (!AvREAL(oav) && AvREIFY(oav))
av_reify(oav);
- SSCHECK(3);
- SSPUSHPTR(gv);
- SSPUSHPTR(oav);
- SSPUSHINT(SAVEt_AV);
+ save_pushptrptr(gv, oav, SAVEt_AV);
GvAV(gv) = NULL;
av = GvAVn(gv);
if (SvMAGIC(oav))
- mg_localize((SV*)oav, (SV*)av);
+ mg_localize(MUTABLE_SV(oav), MUTABLE_SV(av), TRUE);
return av;
}
PERL_ARGS_ASSERT_SAVE_HASH;
- SSCHECK(3);
- SSPUSHPTR(gv);
- SSPUSHPTR(ohv = GvHVn(gv));
- SSPUSHINT(SAVEt_HV);
+ save_pushptrptr(gv, (ohv = GvHVn(gv)), SAVEt_HV);
GvHV(gv) = NULL;
hv = GvHVn(gv);
if (SvMAGIC(ohv))
- mg_localize((SV*)ohv, (SV*)hv);
+ mg_localize(MUTABLE_SV(ohv), MUTABLE_SV(hv), TRUE);
return hv;
}
PERL_ARGS_ASSERT_SAVE_ITEM;
- SSCHECK(3);
- SSPUSHPTR(item); /* remember the pointer */
- SSPUSHPTR(sv); /* remember the value */
- SSPUSHINT(SAVEt_ITEM);
+ save_pushptrptr(item, /* remember the pointer */
+ sv, /* remember the value */
+ SAVEt_ITEM);
}
void
-Perl_save_int(pTHX_ int *intp)
+Perl_save_bool(pTHX_ bool *boolp)
{
dVAR;
- PERL_ARGS_ASSERT_SAVE_INT;
+ PERL_ARGS_ASSERT_SAVE_BOOL;
+ SSCHECK(2);
+ SSPUSHPTR(boolp);
+ SSPUSHUV(SAVEt_BOOL | (*boolp << 8));
+}
+
+void
+Perl_save_pushi32ptr(pTHX_ const I32 i, void *const ptr, const int type)
+{
+ dVAR;
SSCHECK(3);
- SSPUSHINT(*intp);
- SSPUSHPTR(intp);
- SSPUSHINT(SAVEt_INT);
+ SSPUSHINT(i);
+ SSPUSHPTR(ptr);
+ SSPUSHUV(type);
}
void
-Perl_save_bool(pTHX_ bool *boolp)
+Perl_save_int(pTHX_ int *intp)
{
dVAR;
+ const UV shifted = (UV)*intp << SAVE_TIGHT_SHIFT;
- PERL_ARGS_ASSERT_SAVE_BOOL;
+ PERL_ARGS_ASSERT_SAVE_INT;
- SSCHECK(3);
- SSPUSHBOOL(*boolp);
- SSPUSHPTR(boolp);
- SSPUSHINT(SAVEt_BOOL);
+ if ((int)(shifted >> SAVE_TIGHT_SHIFT) == *intp) {
+ SSCHECK(2);
+ SSPUSHPTR(intp);
+ SSPUSHUV(SAVEt_INT_SMALL | shifted);
+ } else
+ save_pushi32ptr(*intp, intp, SAVEt_INT);
}
void
PERL_ARGS_ASSERT_SAVE_I8;
- SSCHECK(3);
- SSPUSHINT(*bytep);
+ SSCHECK(2);
SSPUSHPTR(bytep);
- SSPUSHINT(SAVEt_I8);
+ SSPUSHUV(SAVEt_I8 | ((UV)*bytep << 8));
}
void
PERL_ARGS_ASSERT_SAVE_I16;
- SSCHECK(3);
- SSPUSHINT(*intp);
+ SSCHECK(2);
SSPUSHPTR(intp);
- SSPUSHINT(SAVEt_I16);
+ SSPUSHUV(SAVEt_I16 | ((UV)*intp << 8));
}
void
Perl_save_I32(pTHX_ I32 *intp)
{
dVAR;
+ const UV shifted = (UV)*intp << SAVE_TIGHT_SHIFT;
PERL_ARGS_ASSERT_SAVE_I32;
- SSCHECK(3);
- SSPUSHINT(*intp);
- SSPUSHPTR(intp);
- SSPUSHINT(SAVEt_I32);
+ if ((I32)(shifted >> SAVE_TIGHT_SHIFT) == *intp) {
+ SSCHECK(2);
+ SSPUSHPTR(intp);
+ SSPUSHUV(SAVEt_I32_SMALL | shifted);
+ } else
+ save_pushi32ptr(*intp, intp, SAVEt_I32);
}
/* Cannot use save_sptr() to store a char* since the SV** cast will
PERL_ARGS_ASSERT_SAVE_PPTR;
- SSCHECK(3);
- SSPUSHPTR(*pptr);
- SSPUSHPTR(pptr);
- SSPUSHINT(SAVEt_PPTR);
+ save_pushptrptr(*pptr, pptr, SAVEt_PPTR);
}
void
PERL_ARGS_ASSERT_SAVE_VPTR;
- SSCHECK(3);
- SSPUSHPTR(*(char**)ptr);
- SSPUSHPTR(ptr);
- SSPUSHINT(SAVEt_VPTR);
+ save_pushptrptr(*(char**)ptr, ptr, SAVEt_VPTR);
}
void
PERL_ARGS_ASSERT_SAVE_SPTR;
- SSCHECK(3);
- SSPUSHPTR(*sptr);
- SSPUSHPTR(sptr);
- SSPUSHINT(SAVEt_SPTR);
+ save_pushptrptr(*sptr, sptr, SAVEt_SPTR);
}
void
SSPUSHPTR(SvREFCNT_inc_simple_NN(PL_curpad[off]));
SSPUSHPTR(PL_comppad);
SSPUSHLONG((long)off);
- SSPUSHINT(SAVEt_PADSV_AND_MORTALIZE);
+ SSPUSHUV(SAVEt_PADSV_AND_MORTALIZE);
}
void
PERL_ARGS_ASSERT_SAVE_HPTR;
- SSCHECK(3);
- SSPUSHPTR(*hptr);
- SSPUSHPTR(hptr);
- SSPUSHINT(SAVEt_HPTR);
+ save_pushptrptr(*hptr, hptr, SAVEt_HPTR);
}
void
PERL_ARGS_ASSERT_SAVE_APTR;
- SSCHECK(3);
- SSPUSHPTR(*aptr);
- SSPUSHPTR(aptr);
- SSPUSHINT(SAVEt_APTR);
+ save_pushptrptr(*aptr, aptr, SAVEt_APTR);
}
void
-Perl_save_freesv(pTHX_ SV *sv)
+Perl_save_pushptr(pTHX_ void *const ptr, const int type)
{
dVAR;
SSCHECK(2);
- SSPUSHPTR(sv);
- SSPUSHINT(SAVEt_FREESV);
+ SSPUSHPTR(ptr);
+ SSPUSHUV(type);
}
void
-Perl_save_mortalizesv(pTHX_ SV *sv)
+Perl_save_clearsv(pTHX_ SV **svp)
{
dVAR;
+ const UV offset = svp - PL_curpad;
+ const UV offset_shifted = offset << SAVE_TIGHT_SHIFT;
- PERL_ARGS_ASSERT_SAVE_MORTALIZESV;
+ PERL_ARGS_ASSERT_SAVE_CLEARSV;
- SSCHECK(2);
- SSPUSHPTR(sv);
- SSPUSHINT(SAVEt_MORTALIZESV);
-}
+ ASSERT_CURPAD_ACTIVE("save_clearsv");
+ if ((offset_shifted >> SAVE_TIGHT_SHIFT) != offset)
+ Perl_croak(aTHX_ "panic: pad offset %"UVuf" out of range (%p-%p)",
+ offset, svp, PL_curpad);
-void
-Perl_save_freeop(pTHX_ OP *o)
-{
- dVAR;
- SSCHECK(2);
- SSPUSHPTR(o);
- SSPUSHINT(SAVEt_FREEOP);
+ SSCHECK(1);
+ SSPUSHUV(offset_shifted | SAVEt_CLEARSV);
+ SvPADSTALE_off(*svp); /* mark lexical as active */
}
void
-Perl_save_freepv(pTHX_ char *pv)
+Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen)
{
dVAR;
- SSCHECK(2);
- SSPUSHPTR(pv);
- SSPUSHINT(SAVEt_FREEPV);
+
+ PERL_ARGS_ASSERT_SAVE_DELETE;
+
+ save_pushptri32ptr(key, klen, SvREFCNT_inc_simple(hv), SAVEt_DELETE);
}
void
-Perl_save_clearsv(pTHX_ SV **svp)
+Perl_save_hdelete(pTHX_ HV *hv, SV *keysv)
{
- dVAR;
+ STRLEN len;
+ I32 klen;
+ const char *key;
- PERL_ARGS_ASSERT_SAVE_CLEARSV;
+ PERL_ARGS_ASSERT_SAVE_HDELETE;
- ASSERT_CURPAD_ACTIVE("save_clearsv");
- SSCHECK(2);
- SSPUSHLONG((long)(svp-PL_curpad));
- SSPUSHINT(SAVEt_CLEARSV);
- SvPADSTALE_off(*svp); /* mark lexical as active */
+ key = SvPV_const(keysv, len);
+ klen = SvUTF8(keysv) ? -(I32)len : (I32)len;
+ SvREFCNT_inc_simple_void_NN(hv);
+ save_pushptri32ptr(savepvn(key, len), klen, hv, SAVEt_DELETE);
}
void
-Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen)
+Perl_save_adelete(pTHX_ AV *av, I32 key)
{
dVAR;
- PERL_ARGS_ASSERT_SAVE_DELETE;
+ PERL_ARGS_ASSERT_SAVE_ADELETE;
- SSCHECK(4);
- SSPUSHINT(klen);
- SSPUSHPTR(key);
- SSPUSHPTR(SvREFCNT_inc_simple(hv));
- SSPUSHINT(SAVEt_DELETE);
+ SvREFCNT_inc_void(av);
+ save_pushi32ptr(key, av, SAVEt_ADELETE);
}
void
SSCHECK(3);
SSPUSHDPTR(f);
SSPUSHPTR(p);
- SSPUSHINT(SAVEt_DESTRUCTOR);
+ SSPUSHUV(SAVEt_DESTRUCTOR);
}
void
SSCHECK(3);
SSPUSHDXPTR(f);
SSPUSHPTR(p);
- SSPUSHINT(SAVEt_DESTRUCTOR_X);
+ SSPUSHUV(SAVEt_DESTRUCTOR_X);
+}
+
+void
+Perl_save_hints(pTHX)
+{
+ dVAR;
+ COPHH *save_cophh = cophh_copy(CopHINTHASH_get(&PL_compiling));
+ if (PL_hints & HINT_LOCALIZE_HH) {
+ save_pushptri32ptr(GvHV(PL_hintgv), PL_hints, save_cophh, SAVEt_HINTS);
+ GvHV(PL_hintgv) = hv_copy_hints_hv(GvHV(PL_hintgv));
+ } else {
+ save_pushi32ptr(PL_hints, save_cophh, SAVEt_HINTS);
+ }
+}
+
+static void
+S_save_pushptri32ptr(pTHX_ void *const ptr1, const I32 i, void *const ptr2,
+ const int type)
+{
+ SSCHECK(4);
+ SSPUSHPTR(ptr1);
+ SSPUSHINT(i);
+ SSPUSHPTR(ptr2);
+ SSPUSHUV(type);
}
void
-Perl_save_aelem(pTHX_ AV *av, I32 idx, SV **sptr)
+Perl_save_aelem_flags(pTHX_ AV *av, I32 idx, SV **sptr, const U32 flags)
{
dVAR;
SV *sv;
- PERL_ARGS_ASSERT_SAVE_AELEM;
+ PERL_ARGS_ASSERT_SAVE_AELEM_FLAGS;
SvGETMAGIC(*sptr);
- SSCHECK(4);
- SSPUSHPTR(SvREFCNT_inc_simple(av));
- SSPUSHINT(idx);
- SSPUSHPTR(SvREFCNT_inc(*sptr));
- SSPUSHINT(SAVEt_AELEM);
+ save_pushptri32ptr(SvREFCNT_inc_simple(av), idx, SvREFCNT_inc(*sptr),
+ SAVEt_AELEM);
/* if it gets reified later, the restore will have the wrong refcnt */
if (!AvREAL(av) && AvREIFY(av))
SvREFCNT_inc_void(*sptr);
- save_scalar_at(sptr);
+ save_scalar_at(sptr, flags); /* XXX - FIXME - see #60360 */
+ if (flags & SAVEf_KEEPOLDELEM)
+ return;
sv = *sptr;
/* If we're localizing a tied array element, this new sv
* won't actually be stored in the array - so it won't get
* reaped when the localize ends. Ensure it gets reaped by
* mortifying it instead. DAPM */
- if (SvTIED_mg(sv, PERL_MAGIC_tiedelem))
+ if (SvTIED_mg((const SV *)av, PERL_MAGIC_tied))
sv_2mortal(sv);
}
void
-Perl_save_helem(pTHX_ HV *hv, SV *key, SV **sptr)
+Perl_save_helem_flags(pTHX_ HV *hv, SV *key, SV **sptr, const U32 flags)
{
dVAR;
SV *sv;
- PERL_ARGS_ASSERT_SAVE_HELEM;
+ PERL_ARGS_ASSERT_SAVE_HELEM_FLAGS;
SvGETMAGIC(*sptr);
SSCHECK(4);
SSPUSHPTR(SvREFCNT_inc_simple(hv));
SSPUSHPTR(newSVsv(key));
SSPUSHPTR(SvREFCNT_inc(*sptr));
- SSPUSHINT(SAVEt_HELEM);
- save_scalar_at(sptr);
+ SSPUSHUV(SAVEt_HELEM);
+ save_scalar_at(sptr, flags);
+ if (flags & SAVEf_KEEPOLDELEM)
+ return;
sv = *sptr;
/* If we're localizing a tied hash element, this new sv
* won't actually be stored in the hash - so it won't get
* reaped when the localize ends. Ensure it gets reaped by
* mortifying it instead. DAPM */
- if (SvTIED_mg(sv, PERL_MAGIC_tiedelem))
+ if (SvTIED_mg((const SV *)hv, PERL_MAGIC_tied))
sv_2mortal(sv);
}
PERL_ARGS_ASSERT_SAVE_SVREF;
SvGETMAGIC(*sptr);
- SSCHECK(3);
- SSPUSHPTR(sptr);
- SSPUSHPTR(SvREFCNT_inc(*sptr));
- SSPUSHINT(SAVEt_SVREF);
- return save_scalar_at(sptr);
-}
-
-void
-Perl_save_op(pTHX)
-{
- dVAR;
- SSCHECK(2);
- SSPUSHPTR(PL_op);
- SSPUSHINT(SAVEt_OP);
+ save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_SVREF);
+ return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */
}
I32
dVAR;
register const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix]
- (char*)PL_savestack);
- register const I32 elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack));
+ const UV elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack));
+ const UV elems_shifted = elems << SAVE_TIGHT_SHIFT;
+
+ if ((elems_shifted >> SAVE_TIGHT_SHIFT) != elems)
+ Perl_croak(aTHX_ "panic: save_alloc elems %"UVuf" out of range (%ld-%ld)",
+ elems, size, pad);
- SSGROW(elems + 2);
+ SSGROW(elems + 1);
PL_savestack_ix += elems;
- SSPUSHINT(elems);
- SSPUSHINT(SAVEt_ALLOC);
+ SSPUSHUV(SAVEt_ALLOC | elems_shifted);
return start;
}
void* ptr;
register char* str;
I32 i;
+ /* Localise the effects of the TAINT_NOT inside the loop. */
+ const bool was = PL_tainted;
if (base < -1)
Perl_croak(aTHX_ "panic: corrupt saved stack index");
+ DEBUG_l(Perl_deb(aTHX_ "savestack: releasing items %ld -> %ld\n",
+ (long)PL_savestack_ix, (long)base));
while (PL_savestack_ix > base) {
- switch (SSPOPINT) {
+ UV uv = SSPOPUV;
+ const U8 type = (U8)uv & SAVE_MASK;
+ TAINT_NOT;
+
+ switch (type) {
case SAVEt_ITEM: /* normal string */
- value = (SV*)SSPOPPTR;
- sv = (SV*)SSPOPPTR;
+ value = MUTABLE_SV(SSPOPPTR);
+ sv = MUTABLE_SV(SSPOPPTR);
sv_replace(sv,value);
PL_localizing = 2;
SvSETMAGIC(sv);
PL_localizing = 0;
break;
case SAVEt_SV: /* scalar reference */
- value = (SV*)SSPOPPTR;
- gv = (GV*)SSPOPPTR;
+ value = MUTABLE_SV(SSPOPPTR);
+ gv = MUTABLE_GV(SSPOPPTR);
ptr = &GvSV(gv);
- av = (AV*)gv; /* what to refcnt_dec */
+ av = MUTABLE_AV(gv); /* what to refcnt_dec */
restore_sv:
sv = *(SV**)ptr;
- DEBUG_S(PerlIO_printf(Perl_debug_log,
- "restore svref: %p %p:%s -> %p:%s\n",
- (void*)ptr, (void*)sv, SvPEEK(sv),
- (void*)value, SvPEEK(value)));
*(SV**)ptr = value;
SvREFCNT_dec(sv);
PL_localizing = 2;
*(char**)ptr = str;
}
break;
+ case SAVEt_GVSV: /* scalar slot in GV */
+ value = MUTABLE_SV(SSPOPPTR);
+ gv = MUTABLE_GV(SSPOPPTR);
+ ptr = &GvSV(gv);
+ goto restore_svp;
case SAVEt_GENERIC_SVREF: /* generic sv */
- value = (SV*)SSPOPPTR;
+ value = MUTABLE_SV(SSPOPPTR);
ptr = SSPOPPTR;
+ restore_svp:
sv = *(SV**)ptr;
*(SV**)ptr = value;
SvREFCNT_dec(sv);
SvREFCNT_dec(value);
break;
case SAVEt_AV: /* array reference */
- av = (AV*)SSPOPPTR;
- gv = (GV*)SSPOPPTR;
- if (GvAV(gv)) {
- SvREFCNT_dec(GvAV(gv));
- }
+ av = MUTABLE_AV(SSPOPPTR);
+ gv = MUTABLE_GV(SSPOPPTR);
+ SvREFCNT_dec(GvAV(gv));
GvAV(gv) = av;
if (SvMAGICAL(av)) {
PL_localizing = 2;
- SvSETMAGIC((SV*)av);
+ SvSETMAGIC(MUTABLE_SV(av));
PL_localizing = 0;
}
break;
case SAVEt_HV: /* hash reference */
- hv = (HV*)SSPOPPTR;
- gv = (GV*)SSPOPPTR;
- if (GvHV(gv)) {
- SvREFCNT_dec(GvHV(gv));
- }
+ hv = MUTABLE_HV(SSPOPPTR);
+ gv = MUTABLE_GV(SSPOPPTR);
+ SvREFCNT_dec(GvHV(gv));
GvHV(gv) = hv;
if (SvMAGICAL(hv)) {
PL_localizing = 2;
- SvSETMAGIC((SV*)hv);
+ SvSETMAGIC(MUTABLE_SV(hv));
PL_localizing = 0;
}
break;
+ case SAVEt_INT_SMALL:
+ ptr = SSPOPPTR;
+ *(int*)ptr = (int)(uv >> SAVE_TIGHT_SHIFT);
+ break;
case SAVEt_INT: /* int reference */
ptr = SSPOPPTR;
*(int*)ptr = (int)SSPOPINT;
break;
case SAVEt_BOOL: /* bool reference */
ptr = SSPOPPTR;
- *(bool*)ptr = (bool)SSPOPBOOL;
+ *(bool*)ptr = cBOOL(uv >> 8);
+ break;
+ case SAVEt_I32_SMALL:
+ ptr = SSPOPPTR;
+ *(I32*)ptr = (I32)(uv >> SAVE_TIGHT_SHIFT);
break;
case SAVEt_I32: /* I32 reference */
ptr = SSPOPPTR;
break;
case SAVEt_SPTR: /* SV* reference */
ptr = SSPOPPTR;
- *(SV**)ptr = (SV*)SSPOPPTR;
+ *(SV**)ptr = MUTABLE_SV(SSPOPPTR);
break;
case SAVEt_VPTR: /* random* reference */
case SAVEt_PPTR: /* char* reference */
break;
case SAVEt_HPTR: /* HV* reference */
ptr = SSPOPPTR;
- *(HV**)ptr = (HV*)SSPOPPTR;
+ *(HV**)ptr = MUTABLE_HV(SSPOPPTR);
break;
case SAVEt_APTR: /* AV* reference */
ptr = SSPOPPTR;
- *(AV**)ptr = (AV*)SSPOPPTR;
+ *(AV**)ptr = MUTABLE_AV(SSPOPPTR);
break;
case SAVEt_GP: /* scalar reference */
- ptr = SSPOPPTR;
- gv = (GV*)SSPOPPTR;
+ gv = MUTABLE_GV(SSPOPPTR);
gp_free(gv);
- GvGP(gv) = (GP*)ptr;
+ GvGP(gv) = (GP*)SSPOPPTR;
+ if (SSPOPINT)
+ SvFAKE_on(gv);
/* putting a method back into circulation ("local")*/
if (GvCVu(gv) && (hv=GvSTASH(gv)) && HvNAME_get(hv))
mro_method_changed_in(hv);
break;
case SAVEt_FREESV:
ptr = SSPOPPTR;
- SvREFCNT_dec((SV*)ptr);
+ SvREFCNT_dec(MUTABLE_SV(ptr));
+ break;
+ case SAVEt_FREECOPHH:
+ ptr = SSPOPPTR;
+ cophh_free((COPHH *)ptr);
break;
case SAVEt_MORTALIZESV:
ptr = SSPOPPTR;
- sv_2mortal((SV*)ptr);
+ sv_2mortal(MUTABLE_SV(ptr));
break;
case SAVEt_FREEOP:
ptr = SSPOPPTR;
Safefree(ptr);
break;
case SAVEt_CLEARSV:
- ptr = (void*)&PL_curpad[SSPOPLONG];
+ ptr = (void*)&PL_curpad[uv >> SAVE_TIGHT_SHIFT];
sv = *(SV**)ptr;
DEBUG_Xv(PerlIO_printf(Perl_debug_log,
case SVt_NULL:
break;
case SVt_PVAV:
- av_clear((AV*)sv);
+ av_clear(MUTABLE_AV(sv));
break;
case SVt_PVHV:
- hv_clear((HV*)sv);
+ hv_clear(MUTABLE_HV(sv));
break;
case SVt_PVCV:
Perl_croak(aTHX_ "panic: leave_scope pad code");
else { /* Someone has a claim on this, so abandon it. */
const U32 padflags = SvFLAGS(sv) & (SVs_PADMY|SVs_PADTMP);
switch (SvTYPE(sv)) { /* Console ourselves with a new value */
- case SVt_PVAV: *(SV**)ptr = (SV*)newAV(); break;
- case SVt_PVHV: *(SV**)ptr = (SV*)newHV(); break;
+ case SVt_PVAV: *(SV**)ptr = MUTABLE_SV(newAV()); break;
+ case SVt_PVHV: *(SV**)ptr = MUTABLE_SV(newHV()); break;
default: *(SV**)ptr = newSV(0); break;
}
SvREFCNT_dec(sv); /* Cast current value to the winds. */
break;
case SAVEt_DELETE:
ptr = SSPOPPTR;
- hv = (HV*)ptr;
+ hv = MUTABLE_HV(ptr);
+ i = SSPOPINT;
ptr = SSPOPPTR;
- (void)hv_delete(hv, (char*)ptr, (I32)SSPOPINT, G_DISCARD);
+ (void)hv_delete(hv, (char*)ptr, i, G_DISCARD);
SvREFCNT_dec(hv);
Safefree(ptr);
break;
+ case SAVEt_ADELETE:
+ ptr = SSPOPPTR;
+ av = MUTABLE_AV(ptr);
+ i = SSPOPINT;
+ (void)av_delete(av, i, G_DISCARD);
+ SvREFCNT_dec(av);
+ break;
case SAVEt_DESTRUCTOR_X:
ptr = SSPOPPTR;
(*SSPOPDXPTR)(aTHX_ ptr);
break;
case SAVEt_REGCONTEXT:
+ /* regexp must have croaked */
case SAVEt_ALLOC:
- i = SSPOPINT;
- PL_savestack_ix -= i; /* regexp must have croaked */
+ PL_savestack_ix -= uv >> SAVE_TIGHT_SHIFT;
break;
case SAVEt_STACK_POS: /* Position on Perl stack */
i = SSPOPINT;
cxstack[i].blk_oldsp = SSPOPINT;
break;
case SAVEt_AELEM: /* array element */
- value = (SV*)SSPOPPTR;
+ value = MUTABLE_SV(SSPOPPTR);
i = SSPOPINT;
- av = (AV*)SSPOPPTR;
+ av = MUTABLE_AV(SSPOPPTR);
ptr = av_fetch(av,i,1);
if (!AvREAL(av) && AvREIFY(av)) /* undo reify guard */
SvREFCNT_dec(value);
if (ptr) {
sv = *(SV**)ptr;
if (sv && sv != &PL_sv_undef) {
- if (SvTIED_mg((SV*)av, PERL_MAGIC_tied))
+ if (SvTIED_mg((const SV *)av, PERL_MAGIC_tied))
SvREFCNT_inc_void_NN(sv);
goto restore_sv;
}
SvREFCNT_dec(value);
break;
case SAVEt_HELEM: /* hash element */
- value = (SV*)SSPOPPTR;
- sv = (SV*)SSPOPPTR;
- hv = (HV*)SSPOPPTR;
+ value = MUTABLE_SV(SSPOPPTR);
+ sv = MUTABLE_SV(SSPOPPTR);
+ hv = MUTABLE_HV(SSPOPPTR);
ptr = hv_fetch_ent(hv, sv, 1, 0);
+ SvREFCNT_dec(sv);
if (ptr) {
const SV * const oval = HeVAL((HE*)ptr);
if (oval && oval != &PL_sv_undef) {
ptr = &HeVAL((HE*)ptr);
- if (SvTIED_mg((SV*)hv, PERL_MAGIC_tied))
+ if (SvTIED_mg((const SV *)hv, PERL_MAGIC_tied))
SvREFCNT_inc_void(*(SV**)ptr);
- SvREFCNT_dec(sv);
- av = (AV*)hv; /* what to refcnt_dec */
+ av = MUTABLE_AV(hv); /* what to refcnt_dec */
goto restore_sv;
}
}
SvREFCNT_dec(hv);
- SvREFCNT_dec(sv);
SvREFCNT_dec(value);
break;
case SAVEt_OP:
break;
case SAVEt_HINTS:
if ((PL_hints & HINT_LOCALIZE_HH) && GvHV(PL_hintgv)) {
- SvREFCNT_dec((SV*)GvHV(PL_hintgv));
+ SvREFCNT_dec(MUTABLE_SV(GvHV(PL_hintgv)));
GvHV(PL_hintgv) = NULL;
}
+ cophh_free(CopHINTHASH_get(&PL_compiling));
+ CopHINTHASH_set(&PL_compiling, (COPHH*)SSPOPPTR);
*(I32*)&PL_hints = (I32)SSPOPINT;
- Perl_refcounted_he_free(aTHX_ PL_compiling.cop_hints_hash);
- PL_compiling.cop_hints_hash = (struct refcounted_he *) SSPOPPTR;
if (PL_hints & HINT_LOCALIZE_HH) {
- SvREFCNT_dec((SV*)GvHV(PL_hintgv));
- GvHV(PL_hintgv) = (HV*)SSPOPPTR;
+ SvREFCNT_dec(MUTABLE_SV(GvHV(PL_hintgv)));
+ GvHV(PL_hintgv) = MUTABLE_HV(SSPOPPTR);
assert(GvHV(PL_hintgv));
} else if (!GvHV(PL_hintgv)) {
/* Need to add a new one manually, else gv_fetchpv() can
But as we have all the information here, we can do it here,
save even having to have itersave in the struct. */
sv_2mortal(*svp);
- *svp = (SV*)SSPOPPTR;
+ *svp = MUTABLE_SV(SSPOPPTR);
}
break;
case SAVEt_SAVESWITCHSTACK:
{
dSP;
- AV* const t = (AV*)SSPOPPTR;
- AV* const f = (AV*)SSPOPPTR;
+ AV *const t = MUTABLE_AV(SSPOPPTR);
+ AV *const f = MUTABLE_AV(SSPOPPTR);
SWITCHSTACK(t,f);
PL_curstackinfo->si_stack = f;
}
{
const U32 val = (U32)SSPOPINT;
const U32 mask = (U32)SSPOPINT;
- sv = (SV*)SSPOPPTR;
+ sv = MUTABLE_SV(SSPOPPTR);
SvFLAGS(sv) &= ~mask;
SvFLAGS(sv) |= val;
}
break;
- /* These are only saved in mathoms.c */
+
+ /* This would be a mathom, but Perl_save_svref() calls a static
+ function, S_save_scalar_at(), so has to stay in this file. */
case SAVEt_SVREF: /* scalar reference */
- value = (SV*)SSPOPPTR;
+ value = MUTABLE_SV(SSPOPPTR);
ptr = SSPOPPTR;
av = NULL; /* what to refcnt_dec */
goto restore_sv;
+
+ /* These are only saved in mathoms.c */
+ case SAVEt_NSTAB:
+ gv = MUTABLE_GV(SSPOPPTR);
+ (void)sv_clear(MUTABLE_SV(gv));
+ break;
case SAVEt_LONG: /* long reference */
ptr = SSPOPPTR;
*(long*)ptr = (long)SSPOPLONG;
break;
- case SAVEt_I16: /* I16 reference */
+ case SAVEt_IV: /* IV reference */
ptr = SSPOPPTR;
- *(I16*)ptr = (I16)SSPOPINT;
+ *(IV*)ptr = (IV)SSPOPIV;
break;
- case SAVEt_I8: /* I8 reference */
+
+ case SAVEt_I16: /* I16 reference */
ptr = SSPOPPTR;
- *(I8*)ptr = (I8)SSPOPINT;
+ *(I16*)ptr = (I16)(uv >> 8);
break;
- case SAVEt_IV: /* IV reference */
+ case SAVEt_I8: /* I8 reference */
ptr = SSPOPPTR;
- *(IV*)ptr = (IV)SSPOPIV;
- break;
- case SAVEt_NSTAB:
- gv = (GV*)SSPOPPTR;
- (void)sv_clear((SV*)gv);
+ *(I8*)ptr = (I8)(uv >> 8);
break;
case SAVEt_DESTRUCTOR:
ptr = SSPOPPTR;
Perl_croak(aTHX_ "panic: leave_scope inconsistency");
}
}
+
+ PL_tainted = was;
+
+ PERL_ASYNC_CHECK();
}
void
(long)cx->blk_loop.resetsp);
PerlIO_printf(Perl_debug_log, "BLK_LOOP.MY_OP = 0x%"UVxf"\n",
PTR2UV(cx->blk_loop.my_op));
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.NEXT_OP = 0x%"UVxf"\n",
- PTR2UV(CX_LOOP_NEXTOP_GET(cx)));
/* XXX: not accurate for LAZYSV/IV */
PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n",
PTR2UV(cx->blk_loop.state_u.ary.ary));
https://perl5.git.perl.org / perl5.git / blobdiff