#include "perl.h"
SV**
-Perl_stack_grow(pTHX_ SV **sp, SV **p, int n)
+Perl_stack_grow(pTHX_ SV **sp, SV **p, SSize_t n)
{
- dVAR;
-
PERL_ARGS_ASSERT_STACK_GROW;
PL_stack_sp = sp;
PERL_SI *
Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems)
{
- dVAR;
PERL_SI *si;
Newx(si, 1, PERL_SI);
si->si_stack = newAV();
I32
Perl_cxinc(pTHX)
{
- dVAR;
const IV old_max = cxstack_max;
cxstack_max = GROW(cxstack_max);
Renew(cxstack, cxstack_max + 1, PERL_CONTEXT);
void
Perl_push_scope(pTHX)
{
- dVAR;
- if (PL_scopestack_ix == PL_scopestack_max) {
+ if (UNLIKELY(PL_scopestack_ix == PL_scopestack_max)) {
PL_scopestack_max = GROW(PL_scopestack_max);
Renew(PL_scopestack, PL_scopestack_max, I32);
#ifdef DEBUGGING
void
Perl_pop_scope(pTHX)
{
- dVAR;
const I32 oldsave = PL_scopestack[--PL_scopestack_ix];
LEAVE_SCOPE(oldsave);
}
-void
+I32 *
Perl_markstack_grow(pTHX)
{
- dVAR;
const I32 oldmax = PL_markstack_max - PL_markstack;
const I32 newmax = GROW(oldmax);
Renew(PL_markstack, newmax, I32);
- PL_markstack_ptr = PL_markstack + oldmax;
PL_markstack_max = PL_markstack + newmax;
+ PL_markstack_ptr = PL_markstack + oldmax;
+ return PL_markstack_ptr;
}
void
Perl_savestack_grow(pTHX)
{
- dVAR;
PL_savestack_max = GROW(PL_savestack_max) + 4;
Renew(PL_savestack, PL_savestack_max, ANY);
}
void
Perl_savestack_grow_cnt(pTHX_ I32 need)
{
- dVAR;
PL_savestack_max = PL_savestack_ix + need;
Renew(PL_savestack, PL_savestack_max, ANY);
}
#undef GROW
void
-Perl_tmps_grow(pTHX_ I32 n)
+Perl_tmps_grow(pTHX_ SSize_t n)
{
- dVAR;
#ifndef STRESS_REALLOC
if (n < 128)
n = (PL_tmps_max < 512) ? 128 : 512;
void
Perl_free_tmps(pTHX)
{
- dVAR;
/* XXX should tmps_floor live in cxstack? */
- const I32 myfloor = PL_tmps_floor;
+ const SSize_t myfloor = PL_tmps_floor;
while (PL_tmps_ix > myfloor) { /* clean up after last statement */
- SV* const sv = PL_tmps_stack[PL_tmps_ix];
- PL_tmps_stack[PL_tmps_ix--] = NULL;
- if (sv && sv != &PL_sv_undef) {
+ SV* const sv = PL_tmps_stack[PL_tmps_ix--];
+#ifdef PERL_POISON
+ PoisonWith(PL_tmps_stack + PL_tmps_ix + 1, 1, SV *, 0xAB);
+#endif
+ if (LIKELY(sv && sv != &PL_sv_undef)) {
SvTEMP_off(sv);
- SvREFCNT_dec(sv); /* note, can modify tmps_ix!!! */
+ SvREFCNT_dec_NN(sv); /* note, can modify tmps_ix!!! */
}
}
}
STATIC SV *
S_save_scalar_at(pTHX_ SV **sptr, const U32 flags)
{
- dVAR;
SV * osv;
- register SV *sv;
+ 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 (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv)) {
if (SvGMAGICAL(osv)) {
SvFLAGS(osv) |= (SvFLAGS(osv) &
(SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
void
Perl_save_pushptrptr(pTHX_ void *const ptr1, void *const ptr2, const int type)
{
- dVAR;
- SSCHECK(3);
- SSPUSHPTR(ptr1);
- SSPUSHPTR(ptr2);
- SSPUSHUV(type);
+ dSS_ADD;
+ SS_ADD_PTR(ptr1);
+ SS_ADD_PTR(ptr2);
+ SS_ADD_UV(type);
+ SS_ADD_END(3);
}
SV *
Perl_save_scalar(pTHX_ GV *gv)
{
- dVAR;
SV ** const sptr = &GvSVn(gv);
PERL_ARGS_ASSERT_SAVE_SCALAR;
- PL_localizing = 1;
- SvGETMAGIC(*sptr);
- PL_localizing = 0;
+ if (UNLIKELY(SvGMAGICAL(*sptr))) {
+ PL_localizing = 1;
+ (void)mg_get(*sptr);
+ PL_localizing = 0;
+ }
save_pushptrptr(SvREFCNT_inc_simple(gv), SvREFCNT_inc(*sptr), SAVEt_SV);
return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */
}
void
Perl_save_generic_svref(pTHX_ SV **sptr)
{
- dVAR;
-
PERL_ARGS_ASSERT_SAVE_GENERIC_SVREF;
save_pushptrptr(sptr, SvREFCNT_inc(*sptr), SAVEt_GENERIC_SVREF);
void
Perl_save_generic_pvref(pTHX_ char **str)
{
- dVAR;
-
PERL_ARGS_ASSERT_SAVE_GENERIC_PVREF;
save_pushptrptr(*str, str, SAVEt_GENERIC_PVREF);
void
Perl_save_shared_pvref(pTHX_ char **str)
{
- dVAR;
-
PERL_ARGS_ASSERT_SAVE_SHARED_PVREF;
save_pushptrptr(str, *str, SAVEt_SHARED_PVREF);
void
Perl_save_set_svflags(pTHX_ SV* sv, U32 mask, U32 val)
{
- dVAR;
+ dSS_ADD;
PERL_ARGS_ASSERT_SAVE_SET_SVFLAGS;
- SSCHECK(4);
- SSPUSHPTR(sv);
- SSPUSHINT(mask);
- SSPUSHINT(val);
- SSPUSHUV(SAVEt_SET_SVFLAGS);
+ SS_ADD_PTR(sv);
+ SS_ADD_INT(mask);
+ SS_ADD_INT(val);
+ SS_ADD_UV(SAVEt_SET_SVFLAGS);
+ SS_ADD_END(4);
}
void
Perl_save_gp(pTHX_ GV *gv, I32 empty)
{
- dVAR;
-
PERL_ARGS_ASSERT_SAVE_GP;
save_pushptrptr(SvREFCNT_inc(gv), GvGP(gv), SAVEt_GP);
if (empty) {
GP *gp = Perl_newGP(aTHX_ gv);
-
- if (GvCVu(gv))
- mro_method_changed_in(GvSTASH(gv)); /* taking a method out of circulation ("local")*/
+ HV * const stash = GvSTASH(gv);
+ bool isa_changed = 0;
+
+ if (stash && HvENAME(stash)) {
+ if (GvNAMELEN(gv) == 3 && strnEQ(GvNAME(gv), "ISA", 3))
+ isa_changed = TRUE;
+ else if (GvCVu(gv))
+ /* taking a method out of circulation ("local")*/
+ mro_method_changed_in(stash);
+ }
if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) {
gp->gp_io = newIO();
IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START;
}
-#ifdef PERL_DONT_CREATE_GVSV
- if (gv == PL_errgv) {
- /* We could scatter this logic everywhere by changing the
- definition of ERRSV from GvSV() to GvSVn(), but it seems more
- efficient to do this check once here. */
- gp->gp_sv = newSV(0);
- }
-#endif
GvGP_set(gv,gp);
+ if (isa_changed) mro_isa_changed_in(stash);
}
else {
gp_ref(GvGP(gv));
AV *
Perl_save_ary(pTHX_ GV *gv)
{
- dVAR;
AV * const oav = GvAVn(gv);
AV *av;
PERL_ARGS_ASSERT_SAVE_ARY;
- if (!AvREAL(oav) && AvREIFY(oav))
+ if (UNLIKELY(!AvREAL(oav) && AvREIFY(oav)))
av_reify(oav);
save_pushptrptr(SvREFCNT_inc_simple_NN(gv), oav, SAVEt_AV);
GvAV(gv) = NULL;
av = GvAVn(gv);
- if (SvMAGIC(oav))
+ if (UNLIKELY(SvMAGIC(oav)))
mg_localize(MUTABLE_SV(oav), MUTABLE_SV(av), TRUE);
return av;
}
HV *
Perl_save_hash(pTHX_ GV *gv)
{
- dVAR;
HV *ohv, *hv;
PERL_ARGS_ASSERT_SAVE_HASH;
GvHV(gv) = NULL;
hv = GvHVn(gv);
- if (SvMAGIC(ohv))
+ if (UNLIKELY(SvMAGIC(ohv)))
mg_localize(MUTABLE_SV(ohv), MUTABLE_SV(hv), TRUE);
return hv;
}
void
-Perl_save_item(pTHX_ register SV *item)
+Perl_save_item(pTHX_ SV *item)
{
- dVAR;
- register SV * const sv = newSVsv(item);
+ SV * const sv = newSVsv(item);
PERL_ARGS_ASSERT_SAVE_ITEM;
void
Perl_save_bool(pTHX_ bool *boolp)
{
- dVAR;
+ dSS_ADD;
PERL_ARGS_ASSERT_SAVE_BOOL;
- SSCHECK(2);
- SSPUSHPTR(boolp);
- SSPUSHUV(SAVEt_BOOL | (*boolp << 8));
+ SS_ADD_PTR(boolp);
+ SS_ADD_UV(SAVEt_BOOL | (*boolp << 8));
+ SS_ADD_END(2);
}
void
Perl_save_pushi32ptr(pTHX_ const I32 i, void *const ptr, const int type)
{
- dVAR;
- SSCHECK(3);
- SSPUSHINT(i);
- SSPUSHPTR(ptr);
- SSPUSHUV(type);
+ dSS_ADD;
+
+ SS_ADD_INT(i);
+ SS_ADD_PTR(ptr);
+ SS_ADD_UV(type);
+ SS_ADD_END(3);
}
void
Perl_save_int(pTHX_ int *intp)
{
- dVAR;
- const UV shifted = (UV)*intp << SAVE_TIGHT_SHIFT;
+ const int i = *intp;
+ UV type = ((UV)((UV)i << SAVE_TIGHT_SHIFT) | SAVEt_INT_SMALL);
+ int size = 2;
+ dSS_ADD;
PERL_ARGS_ASSERT_SAVE_INT;
- if ((int)(shifted >> SAVE_TIGHT_SHIFT) == *intp) {
- SSCHECK(2);
- SSPUSHPTR(intp);
- SSPUSHUV(SAVEt_INT_SMALL | shifted);
- } else
- save_pushi32ptr(*intp, intp, SAVEt_INT);
+ if (UNLIKELY((int)(type >> SAVE_TIGHT_SHIFT) != i)) {
+ SS_ADD_INT(i);
+ type = SAVEt_INT;
+ size++;
+ }
+ SS_ADD_PTR(intp);
+ SS_ADD_UV(type);
+ SS_ADD_END(size);
}
void
Perl_save_I8(pTHX_ I8 *bytep)
{
- dVAR;
+ dSS_ADD;
PERL_ARGS_ASSERT_SAVE_I8;
- SSCHECK(2);
- SSPUSHPTR(bytep);
- SSPUSHUV(SAVEt_I8 | ((UV)*bytep << 8));
+ SS_ADD_PTR(bytep);
+ SS_ADD_UV(SAVEt_I8 | ((UV)*bytep << 8));
+ SS_ADD_END(2);
}
void
Perl_save_I16(pTHX_ I16 *intp)
{
- dVAR;
+ dSS_ADD;
PERL_ARGS_ASSERT_SAVE_I16;
- SSCHECK(2);
- SSPUSHPTR(intp);
- SSPUSHUV(SAVEt_I16 | ((UV)*intp << 8));
+ SS_ADD_PTR(intp);
+ SS_ADD_UV(SAVEt_I16 | ((UV)*intp << 8));
+ SS_ADD_END(2);
}
void
Perl_save_I32(pTHX_ I32 *intp)
{
- dVAR;
- const UV shifted = (UV)*intp << SAVE_TIGHT_SHIFT;
+ const I32 i = *intp;
+ UV type = ((I32)((U32)i << SAVE_TIGHT_SHIFT) | SAVEt_I32_SMALL);
+ int size = 2;
+ dSS_ADD;
PERL_ARGS_ASSERT_SAVE_I32;
- if ((I32)(shifted >> SAVE_TIGHT_SHIFT) == *intp) {
- SSCHECK(2);
- SSPUSHPTR(intp);
- SSPUSHUV(SAVEt_I32_SMALL | shifted);
- } else
- save_pushi32ptr(*intp, intp, SAVEt_I32);
+ if (UNLIKELY((I32)(type >> SAVE_TIGHT_SHIFT) != i)) {
+ SS_ADD_INT(i);
+ type = SAVEt_I32;
+ size++;
+ }
+ SS_ADD_PTR(intp);
+ SS_ADD_UV(type);
+ SS_ADD_END(size);
+}
+
+void
+Perl_save_strlen(pTHX_ STRLEN *ptr)
+{
+ dSS_ADD;
+
+ PERL_ARGS_ASSERT_SAVE_STRLEN;
+
+ SS_ADD_IV(*ptr);
+ SS_ADD_PTR(ptr);
+ SS_ADD_UV(SAVEt_STRLEN);
+ SS_ADD_END(3);
}
/* Cannot use save_sptr() to store a char* since the SV** cast will
void
Perl_save_pptr(pTHX_ char **pptr)
{
- dVAR;
-
PERL_ARGS_ASSERT_SAVE_PPTR;
save_pushptrptr(*pptr, pptr, SAVEt_PPTR);
void
Perl_save_vptr(pTHX_ void *ptr)
{
- dVAR;
-
PERL_ARGS_ASSERT_SAVE_VPTR;
save_pushptrptr(*(char**)ptr, ptr, SAVEt_VPTR);
void
Perl_save_sptr(pTHX_ SV **sptr)
{
- dVAR;
-
PERL_ARGS_ASSERT_SAVE_SPTR;
save_pushptrptr(*sptr, sptr, SAVEt_SPTR);
void
Perl_save_padsv_and_mortalize(pTHX_ PADOFFSET off)
{
- dVAR;
- SSCHECK(4);
+ dSS_ADD;
+
ASSERT_CURPAD_ACTIVE("save_padsv");
- SSPUSHPTR(SvREFCNT_inc_simple_NN(PL_curpad[off]));
- SSPUSHPTR(PL_comppad);
- SSPUSHLONG((long)off);
- SSPUSHUV(SAVEt_PADSV_AND_MORTALIZE);
+ SS_ADD_PTR(SvREFCNT_inc_simple_NN(PL_curpad[off]));
+ SS_ADD_PTR(PL_comppad);
+ SS_ADD_UV((UV)off);
+ SS_ADD_UV(SAVEt_PADSV_AND_MORTALIZE);
+ SS_ADD_END(4);
}
void
Perl_save_hptr(pTHX_ HV **hptr)
{
- dVAR;
-
PERL_ARGS_ASSERT_SAVE_HPTR;
save_pushptrptr(*hptr, hptr, SAVEt_HPTR);
void
Perl_save_aptr(pTHX_ AV **aptr)
{
- dVAR;
-
PERL_ARGS_ASSERT_SAVE_APTR;
save_pushptrptr(*aptr, aptr, SAVEt_APTR);
void
Perl_save_pushptr(pTHX_ void *const ptr, const int type)
{
- dVAR;
- SSCHECK(2);
- SSPUSHPTR(ptr);
- SSPUSHUV(type);
+ dSS_ADD;
+ SS_ADD_PTR(ptr);
+ SS_ADD_UV(type);
+ SS_ADD_END(2);
}
void
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_CLEARSV;
ASSERT_CURPAD_ACTIVE("save_clearsv");
- if ((offset_shifted >> SAVE_TIGHT_SHIFT) != offset)
+ SvPADSTALE_off(*svp); /* mark lexical as active */
+ if (UNLIKELY((offset_shifted >> SAVE_TIGHT_SHIFT) != offset)) {
Perl_croak(aTHX_ "panic: pad offset %"UVuf" out of range (%p-%p)",
offset, svp, PL_curpad);
+ }
- SSCHECK(1);
- SSPUSHUV(offset_shifted | SAVEt_CLEARSV);
- SvPADSTALE_off(*svp); /* mark lexical as active */
+ {
+ dSS_ADD;
+ SS_ADD_UV(offset_shifted | SAVEt_CLEARSV);
+ SS_ADD_END(1);
+ }
}
void
Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen)
{
- dVAR;
-
PERL_ARGS_ASSERT_SAVE_DELETE;
save_pushptri32ptr(key, klen, SvREFCNT_inc_simple(hv), SAVEt_DELETE);
}
void
-Perl_save_adelete(pTHX_ AV *av, I32 key)
+Perl_save_adelete(pTHX_ AV *av, SSize_t key)
{
- dVAR;
+ dSS_ADD;
PERL_ARGS_ASSERT_SAVE_ADELETE;
SvREFCNT_inc_void(av);
- save_pushi32ptr(key, av, SAVEt_ADELETE);
+ SS_ADD_UV(key);
+ SS_ADD_PTR(av);
+ SS_ADD_IV(SAVEt_ADELETE);
+ SS_ADD_END(3);
}
void
Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p)
{
- dVAR;
-
+ dSS_ADD;
PERL_ARGS_ASSERT_SAVE_DESTRUCTOR;
- SSCHECK(3);
- SSPUSHDPTR(f);
- SSPUSHPTR(p);
- SSPUSHUV(SAVEt_DESTRUCTOR);
+ SS_ADD_DPTR(f);
+ SS_ADD_PTR(p);
+ SS_ADD_UV(SAVEt_DESTRUCTOR);
+ SS_ADD_END(3);
}
void
Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p)
{
- dVAR;
- SSCHECK(3);
- SSPUSHDXPTR(f);
- SSPUSHPTR(p);
- SSPUSHUV(SAVEt_DESTRUCTOR_X);
+ dSS_ADD;
+
+ SS_ADD_DXPTR(f);
+ SS_ADD_PTR(p);
+ SS_ADD_UV(SAVEt_DESTRUCTOR_X);
+ SS_ADD_END(3);
}
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));
+ HV *oldhh = GvHV(PL_hintgv);
+ save_pushptri32ptr(oldhh, PL_hints, save_cophh, SAVEt_HINTS);
+ GvHV(PL_hintgv) = NULL; /* in case copying dies */
+ GvHV(PL_hintgv) = hv_copy_hints_hv(oldhh);
} else {
save_pushi32ptr(PL_hints, save_cophh, SAVEt_HINTS);
}
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);
+ dSS_ADD;
+ SS_ADD_PTR(ptr1);
+ SS_ADD_INT(i);
+ SS_ADD_PTR(ptr2);
+ SS_ADD_UV(type);
+ SS_ADD_END(4);
}
void
-Perl_save_aelem_flags(pTHX_ AV *av, I32 idx, SV **sptr, const U32 flags)
+Perl_save_aelem_flags(pTHX_ AV *av, SSize_t idx, SV **sptr,
+ const U32 flags)
{
- dVAR;
+ dSS_ADD;
SV *sv;
PERL_ARGS_ASSERT_SAVE_AELEM_FLAGS;
SvGETMAGIC(*sptr);
- 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);
+ SS_ADD_PTR(SvREFCNT_inc_simple(av));
+ SS_ADD_IV(idx);
+ SS_ADD_PTR(SvREFCNT_inc(*sptr));
+ SS_ADD_UV(SAVEt_AELEM);
+ SS_ADD_END(4);
+ /* The array needs to hold a reference count on its new element, so it
+ must be AvREAL. */
+ if (UNLIKELY(!AvREAL(av) && AvREIFY(av)))
+ av_reify(av);
save_scalar_at(sptr, flags); /* XXX - FIXME - see #60360 */
if (flags & SAVEf_KEEPOLDELEM)
return;
* 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((const SV *)av, PERL_MAGIC_tied))
+ if (UNLIKELY(SvTIED_mg((const SV *)av, PERL_MAGIC_tied)))
sv_2mortal(sv);
}
void
Perl_save_helem_flags(pTHX_ HV *hv, SV *key, SV **sptr, const U32 flags)
{
- dVAR;
SV *sv;
PERL_ARGS_ASSERT_SAVE_HELEM_FLAGS;
SvGETMAGIC(*sptr);
- SSCHECK(4);
- SSPUSHPTR(SvREFCNT_inc_simple(hv));
- SSPUSHPTR(newSVsv(key));
- SSPUSHPTR(SvREFCNT_inc(*sptr));
- SSPUSHUV(SAVEt_HELEM);
+ {
+ dSS_ADD;
+ SS_ADD_PTR(SvREFCNT_inc_simple(hv));
+ SS_ADD_PTR(newSVsv(key));
+ SS_ADD_PTR(SvREFCNT_inc(*sptr));
+ SS_ADD_UV(SAVEt_HELEM);
+ SS_ADD_END(4);
+ }
save_scalar_at(sptr, flags);
if (flags & SAVEf_KEEPOLDELEM)
return;
* 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((const SV *)hv, PERL_MAGIC_tied))
+ if (UNLIKELY(SvTIED_mg((const SV *)hv, PERL_MAGIC_tied)))
sv_2mortal(sv);
}
SV*
Perl_save_svref(pTHX_ SV **sptr)
{
- dVAR;
-
PERL_ARGS_ASSERT_SAVE_SVREF;
SvGETMAGIC(*sptr);
I32
Perl_save_alloc(pTHX_ I32 size, I32 pad)
{
- dVAR;
- register const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix]
- - (char*)PL_savestack);
+ const I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix]
+ - (char*)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);
+ if (UNLIKELY((elems_shifted >> SAVE_TIGHT_SHIFT) != elems))
+ Perl_croak(aTHX_
+ "panic: save_alloc elems %"UVuf" out of range (%"IVdf"-%"IVdf")",
+ elems, (IV)size, (IV)pad);
SSGROW(elems + 1);
return start;
}
+
+
+#define ARG0_SV MUTABLE_SV(arg0.any_ptr)
+#define ARG0_AV MUTABLE_AV(arg0.any_ptr)
+#define ARG0_HV MUTABLE_HV(arg0.any_ptr)
+#define ARG0_PTR arg0.any_ptr
+#define ARG0_PV (char*)(arg0.any_ptr)
+#define ARG0_PVP (char**)(arg0.any_ptr)
+#define ARG0_I32 (arg0.any_i32)
+
+#define ARG1_SV MUTABLE_SV(arg1.any_ptr)
+#define ARG1_AV MUTABLE_AV(arg1.any_ptr)
+#define ARG1_GV MUTABLE_GV(arg1.any_ptr)
+#define ARG1_SVP (SV**)(arg1.any_ptr)
+#define ARG1_PVP (char**)(arg1.any_ptr)
+#define ARG1_PTR arg1.any_ptr
+#define ARG1_PV (char*)(arg1.any_ptr)
+#define ARG1_I32 (arg1.any_i32)
+
+#define ARG2_SV MUTABLE_SV(arg2.any_ptr)
+#define ARG2_AV MUTABLE_AV(arg2.any_ptr)
+#define ARG2_HV MUTABLE_HV(arg2.any_ptr)
+#define ARG2_GV MUTABLE_GV(arg2.any_ptr)
+#define ARG2_PV (char*)(arg2.any_ptr)
+
void
Perl_leave_scope(pTHX_ I32 base)
{
- dVAR;
- register SV *sv;
- register SV *value;
- register GV *gv;
- register AV *av;
- register HV *hv;
- void* ptr;
- register char* str;
- I32 i;
/* Localise the effects of the TAINT_NOT inside the loop. */
- const bool was = PL_tainted;
+ bool was = TAINT_get;
- if (base < -1)
- Perl_croak(aTHX_ "panic: corrupt saved stack index");
+ ANY arg0, arg1, arg2;
+
+ /* these initialisations are logically unnecessary, but they shut up
+ * spurious 'may be used uninitialized' compiler warnings */
+ arg0.any_ptr = NULL;
+ arg1.any_ptr = NULL;
+ arg2.any_ptr = NULL;
+
+ if (UNLIKELY(base < -1))
+ Perl_croak(aTHX_ "panic: corrupt saved stack index %ld", (long) base);
DEBUG_l(Perl_deb(aTHX_ "savestack: releasing items %ld -> %ld\n",
(long)PL_savestack_ix, (long)base));
while (PL_savestack_ix > base) {
- UV uv = SSPOPUV;
- const U8 type = (U8)uv & SAVE_MASK;
+ UV uv;
+ U8 type;
+
+ SV *refsv;
+ SV **svp;
+
TAINT_NOT;
+ {
+ I32 ix = PL_savestack_ix - 1;
+ ANY *p = &PL_savestack[ix];
+ uv = p->any_uv;
+ type = (U8)uv & SAVE_MASK;
+ if (type > SAVEt_ARG0_MAX) {
+ ANY *p0 = p;
+ arg0 = *--p;
+ if (type > SAVEt_ARG1_MAX) {
+ arg1 = *--p;
+ if (type > SAVEt_ARG2_MAX) {
+ arg2 = *--p;
+ }
+ }
+ ix -= (p0 - p);
+ }
+ PL_savestack_ix = ix;
+ }
+
switch (type) {
case SAVEt_ITEM: /* normal string */
- value = MUTABLE_SV(SSPOPPTR);
- sv = MUTABLE_SV(SSPOPPTR);
- sv_replace(sv,value);
- PL_localizing = 2;
- SvSETMAGIC(sv);
- PL_localizing = 0;
+ sv_replace(ARG1_SV, ARG0_SV);
+ if (UNLIKELY(SvSMAGICAL(ARG1_SV))) {
+ PL_localizing = 2;
+ mg_set(ARG1_SV);
+ PL_localizing = 0;
+ }
break;
+
+ /* 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 */
+ svp = ARG1_SVP;
+ refsv = NULL; /* what to refcnt_dec */
+ goto restore_sv;
+
case SAVEt_SV: /* scalar reference */
- value = MUTABLE_SV(SSPOPPTR);
- gv = MUTABLE_GV(SSPOPPTR);
- ptr = &GvSV(gv);
- av = MUTABLE_AV(gv); /* what to refcnt_dec */
+ svp = &GvSV(ARG1_GV);
+ refsv = ARG1_SV; /* what to refcnt_dec */
restore_sv:
- sv = *(SV**)ptr;
- *(SV**)ptr = value;
+ {
+ SV * const sv = *svp;
+ *svp = ARG0_SV;
SvREFCNT_dec(sv);
- PL_localizing = 2;
- SvSETMAGIC(value);
- PL_localizing = 0;
- SvREFCNT_dec(value);
- SvREFCNT_dec(av); /* av may actually be an AV, HV or GV */
+ if (UNLIKELY(SvSMAGICAL(ARG0_SV))) {
+ PL_localizing = 2;
+ mg_set(ARG0_SV);
+ PL_localizing = 0;
+ }
+ SvREFCNT_dec_NN(ARG0_SV);
+ SvREFCNT_dec(refsv);
break;
+ }
case SAVEt_GENERIC_PVREF: /* generic pv */
- ptr = SSPOPPTR;
- str = (char*)SSPOPPTR;
- if (*(char**)ptr != str) {
- Safefree(*(char**)ptr);
- *(char**)ptr = str;
+ if (*ARG0_PVP != ARG1_PV) {
+ Safefree(*ARG0_PVP);
+ *ARG0_PVP = ARG1_PV;
}
break;
case SAVEt_SHARED_PVREF: /* shared pv */
- str = (char*)SSPOPPTR;
- ptr = SSPOPPTR;
- if (*(char**)ptr != str) {
+ if (*ARG1_PVP != ARG0_PV) {
#ifdef NETWARE
- PerlMem_free(*(char**)ptr);
+ PerlMem_free(*ARG1_PVP);
#else
- PerlMemShared_free(*(char**)ptr);
+ PerlMemShared_free(*ARG1_PVP);
#endif
- *(char**)ptr = str;
+ *ARG1_PVP = ARG0_PV;
}
break;
case SAVEt_GVSV: /* scalar slot in GV */
- value = MUTABLE_SV(SSPOPPTR);
- gv = MUTABLE_GV(SSPOPPTR);
- ptr = &GvSV(gv);
+ svp = &GvSV(ARG1_GV);
goto restore_svp;
case SAVEt_GENERIC_SVREF: /* generic sv */
- value = MUTABLE_SV(SSPOPPTR);
- ptr = SSPOPPTR;
+ svp = ARG1_SVP;
restore_svp:
- sv = *(SV**)ptr;
- *(SV**)ptr = value;
+ {
+ SV * const sv = *svp;
+ *svp = ARG0_SV;
SvREFCNT_dec(sv);
- SvREFCNT_dec(value);
+ SvREFCNT_dec(ARG0_SV);
break;
- case SAVEt_AV: /* array reference */
- av = MUTABLE_AV(SSPOPPTR);
- gv = MUTABLE_GV(SSPOPPTR);
- SvREFCNT_dec(GvAV(gv));
- GvAV(gv) = av;
- if (SvMAGICAL(av)) {
- PL_localizing = 2;
- SvSETMAGIC(MUTABLE_SV(av));
- PL_localizing = 0;
+ }
+ case SAVEt_GVSLOT: /* any slot in GV */
+ {
+ HV *const hv = GvSTASH(ARG2_GV);
+ svp = ARG1_SVP;
+ if (hv && HvENAME(hv) && (
+ (ARG0_SV && SvTYPE(ARG0_SV) == SVt_PVCV)
+ || (*svp && SvTYPE(*svp) == SVt_PVCV)
+ ))
+ {
+ if ((char *)svp < (char *)GvGP(ARG2_GV)
+ || (char *)svp > (char *)GvGP(ARG2_GV) + sizeof(struct gp)
+ || GvREFCNT(ARG2_GV) > 2) /* "> 2" to ignore savestack's ref */
+ PL_sub_generation++;
+ else mro_method_changed_in(hv);
}
- SvREFCNT_dec(gv);
+ goto restore_svp;
+ }
+ case SAVEt_AV: /* array reference */
+ SvREFCNT_dec(GvAV(ARG1_GV));
+ GvAV(ARG1_GV) = ARG0_AV;
+ if (UNLIKELY(SvSMAGICAL(ARG0_SV))) {
+ PL_localizing = 2;
+ mg_set(ARG0_SV);
+ PL_localizing = 0;
+ }
+ SvREFCNT_dec_NN(ARG1_GV);
break;
case SAVEt_HV: /* hash reference */
- hv = MUTABLE_HV(SSPOPPTR);
- gv = MUTABLE_GV(SSPOPPTR);
- SvREFCNT_dec(GvHV(gv));
- GvHV(gv) = hv;
- if (SvMAGICAL(hv)) {
- PL_localizing = 2;
- SvSETMAGIC(MUTABLE_SV(hv));
- PL_localizing = 0;
- }
- SvREFCNT_dec(gv);
+ SvREFCNT_dec(GvHV(ARG1_GV));
+ GvHV(ARG1_GV) = ARG0_HV;
+ if (UNLIKELY(SvSMAGICAL(ARG0_SV))) {
+ PL_localizing = 2;
+ mg_set(ARG0_SV);
+ PL_localizing = 0;
+ }
+ SvREFCNT_dec_NN(ARG1_GV);
break;
case SAVEt_INT_SMALL:
- ptr = SSPOPPTR;
- *(int*)ptr = (int)(uv >> SAVE_TIGHT_SHIFT);
+ *(int*)ARG0_PTR = (int)(uv >> SAVE_TIGHT_SHIFT);
break;
case SAVEt_INT: /* int reference */
- ptr = SSPOPPTR;
- *(int*)ptr = (int)SSPOPINT;
+ *(int*)ARG0_PTR = (int)ARG1_I32;
+ break;
+ case SAVEt_STRLEN: /* STRLEN/size_t ref */
+ *(STRLEN*)ARG0_PTR = (STRLEN)arg1.any_iv;
break;
case SAVEt_BOOL: /* bool reference */
- ptr = SSPOPPTR;
- *(bool*)ptr = cBOOL(uv >> 8);
+ *(bool*)ARG0_PTR = cBOOL(uv >> 8);
+#ifdef NO_TAINT_SUPPORT
+ PERL_UNUSED_VAR(was);
+#else
+ if (UNLIKELY(ARG0_PTR == &(TAINT_get))) {
+ /* If we don't update <was>, to reflect what was saved on the
+ * stack for PL_tainted, then we will overwrite this attempt to
+ * restore it when we exit this routine. Note that this won't
+ * work if this value was saved in a wider-than necessary type,
+ * such as I32 */
+ was = *(bool*)ARG0_PTR;
+ }
+#endif
break;
case SAVEt_I32_SMALL:
- ptr = SSPOPPTR;
- *(I32*)ptr = (I32)(uv >> SAVE_TIGHT_SHIFT);
+ *(I32*)ARG0_PTR = (I32)(uv >> SAVE_TIGHT_SHIFT);
break;
case SAVEt_I32: /* I32 reference */
- ptr = SSPOPPTR;
#ifdef PERL_DEBUG_READONLY_OPS
- {
- const I32 val = SSPOPINT;
- if (*(I32*)ptr != val)
- *(I32*)ptr = val;
- }
-#else
- *(I32*)ptr = (I32)SSPOPINT;
+ if (*(I32*)ARG0_PTR != ARG1_I32)
#endif
+ *(I32*)ARG0_PTR = ARG1_I32;
break;
case SAVEt_SPTR: /* SV* reference */
- ptr = SSPOPPTR;
- *(SV**)ptr = MUTABLE_SV(SSPOPPTR);
+ *(SV**)(ARG0_PTR)= ARG1_SV;
break;
case SAVEt_VPTR: /* random* reference */
case SAVEt_PPTR: /* char* reference */
- ptr = SSPOPPTR;
- *(char**)ptr = (char*)SSPOPPTR;
+ *ARG0_PVP = ARG1_PV;
break;
case SAVEt_HPTR: /* HV* reference */
- ptr = SSPOPPTR;
- *(HV**)ptr = MUTABLE_HV(SSPOPPTR);
+ *(HV**)ARG0_PTR = MUTABLE_HV(ARG1_PTR);
break;
case SAVEt_APTR: /* AV* reference */
- ptr = SSPOPPTR;
- *(AV**)ptr = MUTABLE_AV(SSPOPPTR);
+ *(AV**)ARG0_PTR = ARG1_AV;
break;
case SAVEt_GP: /* scalar reference */
- ptr = SSPOPPTR;
- gv = MUTABLE_GV(SSPOPPTR);
- gp_free(gv);
- GvGP_set(gv, (GP*)ptr);
- /* putting a method back into circulation ("local")*/
- if (GvCVu(gv) && (hv=GvSTASH(gv)) && HvENAME_get(hv))
- mro_method_changed_in(hv);
- SvREFCNT_dec(gv);
+ {
+ HV *hv;
+ /* possibly taking a method out of circulation */
+ const bool had_method = !!GvCVu(ARG1_GV);
+ gp_free(ARG1_GV);
+ GvGP_set(ARG1_GV, (GP*)ARG0_PTR);
+ if ((hv=GvSTASH(ARG1_GV)) && HvENAME_get(hv)) {
+ if ( GvNAMELEN(ARG1_GV) == 3
+ && strnEQ(GvNAME(ARG1_GV), "ISA", 3)
+ )
+ mro_isa_changed_in(hv);
+ else if (had_method || GvCVu(ARG1_GV))
+ /* putting a method back into circulation ("local")*/
+ gv_method_changed(ARG1_GV);
+ }
+ SvREFCNT_dec_NN(ARG1_GV);
break;
+ }
case SAVEt_FREESV:
- ptr = SSPOPPTR;
- SvREFCNT_dec(MUTABLE_SV(ptr));
+ SvREFCNT_dec(ARG0_SV);
break;
case SAVEt_FREECOPHH:
- ptr = SSPOPPTR;
- cophh_free((COPHH *)ptr);
+ cophh_free((COPHH *)ARG0_PTR);
break;
case SAVEt_MORTALIZESV:
- ptr = SSPOPPTR;
- sv_2mortal(MUTABLE_SV(ptr));
+ sv_2mortal(ARG0_SV);
break;
case SAVEt_FREEOP:
- ptr = SSPOPPTR;
- ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); /* XXX DAPM tmp */
- op_free((OP*)ptr);
+ ASSERT_CURPAD_LEGAL("SAVEt_FREEOP");
+ op_free((OP*)ARG0_PTR);
break;
case SAVEt_FREEPV:
- ptr = SSPOPPTR;
- Safefree(ptr);
+ Safefree(ARG0_PTR);
break;
+
+ {
+ SV **svp;
+ I32 i;
+ SV *sv;
+
+ case SAVEt_CLEARPADRANGE:
+ i = (I32)((uv >> SAVE_TIGHT_SHIFT) & OPpPADRANGE_COUNTMASK);
+ svp = &PL_curpad[uv >>
+ (OPpPADRANGE_COUNTSHIFT + SAVE_TIGHT_SHIFT)] + i - 1;
+ goto clearsv;
case SAVEt_CLEARSV:
- ptr = (void*)&PL_curpad[uv >> SAVE_TIGHT_SHIFT];
- sv = *(SV**)ptr;
-
- DEBUG_Xv(PerlIO_printf(Perl_debug_log,
- "Pad 0x%"UVxf"[0x%"UVxf"] clearsv: %ld sv=0x%"UVxf"<%"IVdf"> %s\n",
- PTR2UV(PL_comppad), PTR2UV(PL_curpad),
- (long)((SV **)ptr-PL_curpad), PTR2UV(sv), (IV)SvREFCNT(sv),
- (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon"
- ));
-
- /* Can clear pad variable in place? */
- if (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) {
- /*
- * if a my variable that was made readonly is going out of
- * scope, we want to remove the readonlyness so that it can
- * go out of scope quietly
- */
- if (SvPADMY(sv) && !SvFAKE(sv))
- SvREADONLY_off(sv);
-
- if (SvTHINKFIRST(sv))
- sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF);
- if (SvTYPE(sv) == SVt_PVHV)
- Perl_hv_kill_backrefs(aTHX_ MUTABLE_HV(sv));
- if (SvMAGICAL(sv))
- sv_unmagic(sv, PERL_MAGIC_backref),
- mg_free(sv);
-
- switch (SvTYPE(sv)) {
- case SVt_NULL:
- break;
- case SVt_PVAV:
- av_clear(MUTABLE_AV(sv));
- break;
- case SVt_PVHV:
- hv_clear(MUTABLE_HV(sv));
- break;
- case SVt_PVCV:
- Perl_croak(aTHX_ "panic: leave_scope pad code");
- default:
- SvOK_off(sv);
- break;
- }
- SvPADSTALE_on(sv); /* mark as no longer live */
- }
- else { /* Someone has a claim on this, so abandon it. */
- assert( SvFLAGS(sv) & SVs_PADMY);
- assert(!(SvFLAGS(sv) & SVs_PADTMP));
- switch (SvTYPE(sv)) { /* Console ourselves with a new value */
- 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. */
- /* preserve pad nature, but also mark as not live
- * for any closure capturing */
- SvFLAGS(*(SV**)ptr) |= (SVs_PADMY|SVs_PADSTALE);
- }
+ svp = &PL_curpad[uv >> SAVE_TIGHT_SHIFT];
+ i = 1;
+ clearsv:
+ for (; i; i--, svp--) {
+ sv = *svp;
+
+ DEBUG_Xv(PerlIO_printf(Perl_debug_log,
+ "Pad 0x%"UVxf"[0x%"UVxf"] clearsv: %ld sv=0x%"UVxf"<%"IVdf"> %s\n",
+ PTR2UV(PL_comppad), PTR2UV(PL_curpad),
+ (long)(svp-PL_curpad), PTR2UV(sv), (IV)SvREFCNT(sv),
+ (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) ? "clear" : "abandon"
+ ));
+
+ assert(SvPADMY(sv));
+
+ /* Can clear pad variable in place? */
+ if (SvREFCNT(sv) == 1 && !SvOBJECT(sv)) {
+
+ /* these flags are the union of all the relevant flags
+ * in the individual conditions within */
+ if (UNLIKELY(SvFLAGS(sv) & (
+ SVf_READONLY|SVf_PROTECT /*for SvREADONLY_off*/
+ | (SVs_GMG|SVs_SMG|SVs_RMG) /* SvMAGICAL() */
+ | SVf_OOK
+ | SVf_THINKFIRST)))
+ {
+ /* if a my variable that was made readonly is
+ * going out of scope, we want to remove the
+ * readonlyness so that it can go out of scope
+ * quietly
+ */
+ if (SvREADONLY(sv))
+ SvREADONLY_off(sv);
+
+ if (SvOOK(sv)) { /* OOK or HvAUX */
+ if (SvTYPE(sv) == SVt_PVHV)
+ Perl_hv_kill_backrefs(aTHX_ MUTABLE_HV(sv));
+ else
+ sv_backoff(sv);
+ }
+
+ if (SvMAGICAL(sv)) {
+ /* note that backrefs (either in HvAUX or magic)
+ * must be removed before other magic */
+ sv_unmagic(sv, PERL_MAGIC_backref);
+ if (SvTYPE(sv) != SVt_PVCV)
+ mg_free(sv);
+ }
+ if (SvTHINKFIRST(sv))
+ sv_force_normal_flags(sv, SV_IMMEDIATE_UNREF
+ |SV_COW_DROP_PV);
+
+ }
+ switch (SvTYPE(sv)) {
+ case SVt_NULL:
+ break;
+ case SVt_PVAV:
+ av_clear(MUTABLE_AV(sv));
+ break;
+ case SVt_PVHV:
+ hv_clear(MUTABLE_HV(sv));
+ break;
+ case SVt_PVCV:
+ {
+ HEK *hek =
+ CvNAMED(sv)
+ ? CvNAME_HEK((CV *)sv)
+ : GvNAME_HEK(CvGV(sv));
+ assert(hek);
+ (void)share_hek_hek(hek);
+ cv_undef((CV *)sv);
+ CvNAME_HEK_set(sv, hek);
+ CvLEXICAL_on(sv);
+ break;
+ }
+ default:
+ /* This looks odd, but these two macros are for use in
+ expressions and finish with a trailing comma, so
+ adding a ; after them would be wrong. */
+ assert_not_ROK(sv)
+ assert_not_glob(sv)
+ SvFLAGS(sv) &=~ (SVf_OK|SVf_IVisUV|SVf_UTF8);
+ break;
+ }
+ SvPADSTALE_on(sv); /* mark as no longer live */
+ }
+ else { /* Someone has a claim on this, so abandon it. */
+ assert( SvFLAGS(sv) & SVs_PADMY);
+ assert(!(SvFLAGS(sv) & SVs_PADTMP));
+ switch (SvTYPE(sv)) { /* Console ourselves with a new value */
+ case SVt_PVAV: *svp = MUTABLE_SV(newAV()); break;
+ case SVt_PVHV: *svp = MUTABLE_SV(newHV()); break;
+ case SVt_PVCV:
+ {
+ HEK * const hek = CvNAMED(sv)
+ ? CvNAME_HEK((CV *)sv)
+ : GvNAME_HEK(CvGV(sv));
+
+ /* Create a stub */
+ *svp = newSV_type(SVt_PVCV);
+
+ /* Share name */
+ CvNAME_HEK_set(*svp,
+ share_hek_hek(hek));
+ CvLEXICAL_on(*svp);
+ break;
+ }
+ default: *svp = newSV(0); break;
+ }
+ SvREFCNT_dec_NN(sv); /* Cast current value to the winds. */
+ /* preserve pad nature, but also mark as not live
+ * for any closure capturing */
+ SvFLAGS(*svp) |= (SVs_PADMY|SVs_PADSTALE);
+ }
+ }
break;
+ }
case SAVEt_DELETE:
- ptr = SSPOPPTR;
- hv = MUTABLE_HV(ptr);
- i = SSPOPINT;
- ptr = SSPOPPTR;
- (void)hv_delete(hv, (char*)ptr, i, G_DISCARD);
- SvREFCNT_dec(hv);
- Safefree(ptr);
+ (void)hv_delete(ARG0_HV, ARG2_PV, ARG1_I32, G_DISCARD);
+ SvREFCNT_dec(ARG0_HV);
+ Safefree(arg2.any_ptr);
break;
case SAVEt_ADELETE:
- ptr = SSPOPPTR;
- av = MUTABLE_AV(ptr);
- i = SSPOPINT;
- (void)av_delete(av, i, G_DISCARD);
- SvREFCNT_dec(av);
+ (void)av_delete(ARG0_AV, arg1.any_iv, G_DISCARD);
+ SvREFCNT_dec(ARG0_AV);
break;
case SAVEt_DESTRUCTOR_X:
- ptr = SSPOPPTR;
- (*SSPOPDXPTR)(aTHX_ ptr);
+ (*arg1.any_dxptr)(aTHX_ ARG0_PTR);
break;
case SAVEt_REGCONTEXT:
/* regexp must have croaked */
PL_savestack_ix -= uv >> SAVE_TIGHT_SHIFT;
break;
case SAVEt_STACK_POS: /* Position on Perl stack */
- i = SSPOPINT;
- PL_stack_sp = PL_stack_base + i;
- break;
- case SAVEt_STACK_CXPOS: /* blk_oldsp on context stack */
- i = SSPOPINT;
- cxstack[i].blk_oldsp = SSPOPINT;
+ PL_stack_sp = PL_stack_base + arg0.any_i32;
break;
case SAVEt_AELEM: /* array element */
- value = MUTABLE_SV(SSPOPPTR);
- i = SSPOPINT;
- 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((const SV *)av, PERL_MAGIC_tied))
+ svp = av_fetch(ARG2_AV, arg1.any_iv, 1);
+ if (UNLIKELY(!AvREAL(ARG2_AV) && AvREIFY(ARG2_AV))) /* undo reify guard */
+ SvREFCNT_dec(ARG0_SV);
+ if (LIKELY(svp)) {
+ SV * const sv = *svp;
+ if (LIKELY(sv && sv != &PL_sv_undef)) {
+ if (UNLIKELY(SvTIED_mg((const SV *)ARG2_AV, PERL_MAGIC_tied)))
SvREFCNT_inc_void_NN(sv);
+ refsv = ARG2_SV;
goto restore_sv;
}
}
- SvREFCNT_dec(av);
- SvREFCNT_dec(value);
+ SvREFCNT_dec(ARG2_AV);
+ SvREFCNT_dec(ARG0_SV);
break;
case SAVEt_HELEM: /* hash element */
- 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((const SV *)hv, PERL_MAGIC_tied))
- SvREFCNT_inc_void(*(SV**)ptr);
- av = MUTABLE_AV(hv); /* what to refcnt_dec */
+ {
+ HE * const he = hv_fetch_ent(ARG2_HV, ARG1_SV, 1, 0);
+ SvREFCNT_dec(ARG1_SV);
+ if (LIKELY(he)) {
+ const SV * const oval = HeVAL(he);
+ if (LIKELY(oval && oval != &PL_sv_undef)) {
+ svp = &HeVAL(he);
+ if (UNLIKELY(SvTIED_mg((const SV *)ARG2_HV, PERL_MAGIC_tied)))
+ SvREFCNT_inc_void(*svp);
+ refsv = ARG2_SV; /* what to refcnt_dec */
goto restore_sv;
}
}
- SvREFCNT_dec(hv);
- SvREFCNT_dec(value);
+ SvREFCNT_dec(ARG2_HV);
+ SvREFCNT_dec(ARG0_SV);
break;
+ }
case SAVEt_OP:
- PL_op = (OP*)SSPOPPTR;
+ PL_op = (OP*)ARG0_PTR;
break;
case SAVEt_HINTS:
- if ((PL_hints & HINT_LOCALIZE_HH) && GvHV(PL_hintgv)) {
- SvREFCNT_dec(MUTABLE_SV(GvHV(PL_hintgv)));
+ if ((PL_hints & HINT_LOCALIZE_HH)) {
+ while (GvHV(PL_hintgv)) {
+ HV *hv = GvHV(PL_hintgv);
GvHV(PL_hintgv) = NULL;
+ SvREFCNT_dec(MUTABLE_SV(hv));
+ }
}
cophh_free(CopHINTHASH_get(&PL_compiling));
- CopHINTHASH_set(&PL_compiling, (COPHH*)SSPOPPTR);
- *(I32*)&PL_hints = (I32)SSPOPINT;
+ CopHINTHASH_set(&PL_compiling, (COPHH*)ARG0_PTR);
+ *(I32*)&PL_hints = ARG1_I32;
if (PL_hints & HINT_LOCALIZE_HH) {
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
- add one in this code:
-
- if (SvTYPE(gv) == SVt_PVGV) {
- if (add) {
- GvMULTI_on(gv);
- gv_init_sv(gv, sv_type);
- if (*name=='!' && sv_type == SVt_PVHV && len==1)
- require_errno(gv);
- }
- return gv;
- }
-
- and it won't have the magic set. */
-
+ }
+ if (!GvHV(PL_hintgv)) {
+ /* Need to add a new one manually, else rv2hv can
+ add one via GvHVn and it won't have the magic set. */
HV *const hv = newHV();
hv_magic(hv, NULL, PERL_MAGIC_hints);
GvHV(PL_hintgv) = hv;
assert(GvHV(PL_hintgv));
break;
case SAVEt_COMPPAD:
- PL_comppad = (PAD*)SSPOPPTR;
- if (PL_comppad)
+ PL_comppad = (PAD*)ARG0_PTR;
+ if (LIKELY(PL_comppad))
PL_curpad = AvARRAY(PL_comppad);
else
PL_curpad = NULL;
break;
case SAVEt_PADSV_AND_MORTALIZE:
{
- const PADOFFSET off = (PADOFFSET)SSPOPLONG;
SV **svp;
- ptr = SSPOPPTR;
- assert (ptr);
- svp = AvARRAY((PAD*)ptr) + off;
+ assert (ARG1_PTR);
+ svp = AvARRAY((PAD*)ARG1_PTR) + (PADOFFSET)arg0.any_uv;
/* This mortalizing used to be done by POPLOOP() via itersave.
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 = MUTABLE_SV(SSPOPPTR);
+ *svp = ARG2_SV;
}
break;
case SAVEt_SAVESWITCHSTACK:
{
dSP;
- AV *const t = MUTABLE_AV(SSPOPPTR);
- AV *const f = MUTABLE_AV(SSPOPPTR);
- SWITCHSTACK(t,f);
- PL_curstackinfo->si_stack = f;
+ SWITCHSTACK(ARG0_AV, ARG1_AV);
+ PL_curstackinfo->si_stack = ARG1_AV;
}
break;
case SAVEt_SET_SVFLAGS:
- {
- const U32 val = (U32)SSPOPINT;
- const U32 mask = (U32)SSPOPINT;
- sv = MUTABLE_SV(SSPOPPTR);
- SvFLAGS(sv) &= ~mask;
- SvFLAGS(sv) |= val;
- }
+ SvFLAGS(ARG2_SV) &= ~((U32)ARG1_I32);
+ SvFLAGS(ARG2_SV) |= (U32)ARG0_I32;
break;
- /* 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 = 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));
+ (void)sv_clear(ARG0_SV);
break;
case SAVEt_LONG: /* long reference */
- ptr = SSPOPPTR;
- *(long*)ptr = (long)SSPOPLONG;
+ *(long*)ARG0_PTR = arg1.any_long;
break;
case SAVEt_IV: /* IV reference */
- ptr = SSPOPPTR;
- *(IV*)ptr = (IV)SSPOPIV;
+ *(IV*)ARG0_PTR = arg1.any_iv;
break;
case SAVEt_I16: /* I16 reference */
- ptr = SSPOPPTR;
- *(I16*)ptr = (I16)(uv >> 8);
+ *(I16*)ARG0_PTR = (I16)(uv >> 8);
break;
case SAVEt_I8: /* I8 reference */
- ptr = SSPOPPTR;
- *(I8*)ptr = (I8)(uv >> 8);
+ *(I8*)ARG0_PTR = (I8)(uv >> 8);
break;
case SAVEt_DESTRUCTOR:
- ptr = SSPOPPTR;
- (*SSPOPDPTR)(ptr);
+ (*arg1.any_dptr)(ARG0_PTR);
break;
case SAVEt_COMPILE_WARNINGS:
- ptr = SSPOPPTR;
-
if (!specialWARN(PL_compiling.cop_warnings))
PerlMemShared_free(PL_compiling.cop_warnings);
- PL_compiling.cop_warnings = (STRLEN*)ptr;
- break;
- case SAVEt_RE_STATE:
- {
- const struct re_save_state *const state
- = (struct re_save_state *)
- (PL_savestack + PL_savestack_ix
- - SAVESTACK_ALLOC_FOR_RE_SAVE_STATE);
- PL_savestack_ix -= SAVESTACK_ALLOC_FOR_RE_SAVE_STATE;
-
- if (PL_reg_start_tmp != state->re_state_reg_start_tmp) {
- Safefree(PL_reg_start_tmp);
- }
- if (PL_reg_poscache != state->re_state_reg_poscache) {
- Safefree(PL_reg_poscache);
- }
- Copy(state, &PL_reg_state, 1, struct re_save_state);
- }
+ PL_compiling.cop_warnings = (STRLEN*)ARG0_PTR;
break;
case SAVEt_PARSER:
- ptr = SSPOPPTR;
- parser_free((yy_parser *) ptr);
+ parser_free((yy_parser *) ARG0_PTR);
+ break;
+ case SAVEt_READONLY_OFF:
+ SvREADONLY_off(ARG0_SV);
+ break;
+ case SAVEt_GP_ALIASED_SV: {
+ /* The GP may have been abandoned, leaving the savestack with
+ the only remaining reference to it. */
+ GP * const gp = (GP *)ARG0_PTR;
+ if (gp->gp_refcnt == 1) {
+ GV * const gv = (GV *)sv_2mortal(newSV_type(SVt_PVGV));
+ GvGP_set(gv,gp);
+ gp_free(gv);
+ }
+ else {
+ gp->gp_refcnt--;
+ if (uv >> 8) gp->gp_flags |= GPf_ALIASED_SV;
+ else gp->gp_flags &= ~GPf_ALIASED_SV;
+ }
break;
+ }
default:
- Perl_croak(aTHX_ "panic: leave_scope inconsistency");
+ Perl_croak(aTHX_ "panic: leave_scope inconsistency %u", type);
}
}
- PL_tainted = was;
-
- PERL_ASYNC_CHECK();
+ TAINT_set(was);
}
void
Perl_cx_dump(pTHX_ PERL_CONTEXT *cx)
{
- dVAR;
-
PERL_ARGS_ASSERT_CX_DUMP;
#ifdef DEBUGGING
PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]);
if (CxTYPE(cx) != CXt_SUBST) {
+ const char *gimme_text;
PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp);
PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%"UVxf"\n",
PTR2UV(cx->blk_oldcop));
PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp);
PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%"UVxf"\n",
PTR2UV(cx->blk_oldpm));
- PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", cx->blk_gimme ? "LIST" : "SCALAR");
+ switch (cx->blk_gimme) {
+ case G_VOID:
+ gimme_text = "VOID";
+ break;
+ case G_SCALAR:
+ gimme_text = "SCALAR";
+ break;
+ case G_ARRAY:
+ gimme_text = "LIST";
+ break;
+ default:
+ gimme_text = "UNKNOWN";
+ break;
+ }
+ PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", gimme_text);
}
switch (CxTYPE(cx)) {
case CXt_NULL:
* Local variables:
* c-indentation-style: bsd
* c-basic-offset: 4
- * indent-tabs-mode: t
+ * indent-tabs-mode: nil
* End:
*
- * ex: set ts=8 sts=4 sw=4 noet:
+ * ex: set ts=8 sts=4 sw=4 et:
*/
https://perl5.git.perl.org / perl5.git / blobdiff