#include "EXTERN.h"
#define PERL_IN_SCOPE_C
#include "perl.h"
+#include "feature.h"
SV**
Perl_stack_grow(pTHX_ SV **sp, SV **p, SSize_t n)
if (UNLIKELY(n < 0))
Perl_croak(aTHX_
- "panic: stack_grow() negative count (%"IVdf")", (IV)n);
+ "panic: stack_grow() negative count (%" IVdf ")", (IV)n);
PL_stack_sp = sp;
extra =
Perl_croak(aTHX_ "Out of memory during stack extend");
av_extend(PL_curstack, current + n + extra);
+#ifdef DEBUGGING
+ PL_curstackinfo->si_stack_hwm = current + n + extra;
+#endif
+
return PL_stack_sp;
}
si->si_next = 0;
si->si_cxmax = cxitems - 1;
si->si_cxix = -1;
+ si->si_cxsubix = -1;
si->si_type = PERLSI_UNDEF;
Newx(si->si_cxstack, cxitems, PERL_CONTEXT);
- /* Without any kind of initialising PUSHSUBST()
+ /* Without any kind of initialising CX_PUSHSUBST()
* in pp_subst() will read uninitialised heap. */
PoisonNew(si->si_cxstack, cxitems, PERL_CONTEXT);
return si;
Perl_cxinc(pTHX)
{
const IV old_max = cxstack_max;
- cxstack_max = GROW(cxstack_max);
- Renew(cxstack, cxstack_max + 1, PERL_CONTEXT);
+ const IV new_max = GROW(cxstack_max);
+ Renew(cxstack, new_max + 1, PERL_CONTEXT);
+ cxstack_max = new_max;
/* 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);
+ PoisonNew(cxstack + old_max + 1, new_max - old_max, PERL_CONTEXT);
return cxstack_ix + 1;
}
Perl_push_scope(pTHX)
{
if (UNLIKELY(PL_scopestack_ix == PL_scopestack_max)) {
- PL_scopestack_max = GROW(PL_scopestack_max);
- Renew(PL_scopestack, PL_scopestack_max, I32);
+ const IV new_max = GROW(PL_scopestack_max);
+ Renew(PL_scopestack, new_max, I32);
#ifdef DEBUGGING
- Renew(PL_scopestack_name, PL_scopestack_max, const char*);
+ Renew(PL_scopestack_name, new_max, const char*);
#endif
+ PL_scopestack_max = new_max;
}
#ifdef DEBUGGING
PL_scopestack_name[PL_scopestack_ix] = "unknown";
PL_markstack_max = PL_markstack + newmax;
PL_markstack_ptr = PL_markstack + oldmax;
DEBUG_s(DEBUG_v(PerlIO_printf(Perl_debug_log,
- "MARK grow %p %"IVdf" by %"IVdf"\n",
+ "MARK grow %p %" IVdf " by %" IVdf "\n",
PL_markstack_ptr, (IV)*PL_markstack_ptr, (IV)oldmax)));
return PL_markstack_ptr;
}
void
Perl_savestack_grow(pTHX)
{
- PL_savestack_max = GROW(PL_savestack_max) + 4;
- Renew(PL_savestack, PL_savestack_max, ANY);
+ IV new_max;
+#ifdef STRESS_REALLOC
+ new_max = PL_savestack_max + SS_MAXPUSH;
+#else
+ new_max = GROW(PL_savestack_max);
+#endif
+ /* Note that we allocate SS_MAXPUSH slots higher than ss_max
+ * so that SS_ADD_END(), SSGROW() etc can do a simper check */
+ Renew(PL_savestack, new_max + SS_MAXPUSH, ANY);
+ PL_savestack_max = new_max;
}
void
Perl_savestack_grow_cnt(pTHX_ I32 need)
{
- PL_savestack_max = PL_savestack_ix + need;
- Renew(PL_savestack, PL_savestack_max, ANY);
+ const IV new_max = PL_savestack_ix + need;
+ /* Note that we allocate SS_MAXPUSH slots higher than ss_max
+ * so that SS_ADD_END(), SSGROW() etc can do a simper check */
+ Renew(PL_savestack, new_max + SS_MAXPUSH, ANY);
+ PL_savestack_max = new_max;
}
#undef GROW
SSize_t extend_to = ix;
#ifndef STRESS_REALLOC
if (ix - PL_tmps_max < 128)
- extend_to += (PL_tmps_max < 512) ? 128 : 512;
+ extend_to += (PL_tmps_max < 512) ? 128 : 512;
#endif
+ Renew(PL_tmps_stack, extend_to + 1, SV*);
PL_tmps_max = extend_to + 1;
- Renew(PL_tmps_stack, PL_tmps_max, SV*);
return ix;
}
/* XXX should tmps_floor live in cxstack? */
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--];
+ SV* const sv = PL_tmps_stack[PL_tmps_ix--];
#ifdef PERL_POISON
- PoisonWith(PL_tmps_stack + PL_tmps_ix + 1, 1, SV *, 0xAB);
+ PoisonWith(PL_tmps_stack + PL_tmps_ix + 1, 1, SV *, 0xAB);
#endif
- if (LIKELY(sv && sv != &PL_sv_undef)) {
- SvTEMP_off(sv);
- SvREFCNT_dec_NN(sv); /* note, can modify tmps_ix!!! */
- }
+ if (LIKELY(sv)) {
+ SvTEMP_off(sv);
+ SvREFCNT_dec_NN(sv); /* note, can modify tmps_ix!!! */
+ }
}
}
}
/*
+
+=for apidoc_section $GV
+
=for apidoc save_gp
Saves the current GP of gv on the save stack to be restored on scope exit.
{
PERL_ARGS_ASSERT_SAVE_GP;
+ /* XXX For now, we just upgrade any coderef in the stash to a full GV
+ during localisation. Maybe at some point we could make localis-
+ ation work without needing the upgrade. (In which case our
+ callers should probably call a different function, not save_gp.)
+ */
+ if (!isGV(gv)) {
+ assert(isGV_or_RVCV(gv));
+ (void)CvGV(SvRV((SV *)gv)); /* CvGV does the upgrade */
+ assert(isGV(gv));
+ }
+
save_pushptrptr(SvREFCNT_inc(gv), GvGP(gv), SAVEt_GP);
if (empty) {
- GP *gp = Perl_newGP(aTHX_ gv);
- 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")*/
+ GP *gp = Perl_newGP(aTHX_ gv);
+ HV * const stash = GvSTASH(gv);
+ bool isa_changed = 0;
+
+ if (stash && HvENAME(stash)) {
+ if (memEQs(GvNAME(gv), GvNAMELEN(gv), "ISA"))
+ 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;
- }
- GvGP_set(gv,gp);
- if (isa_changed) mro_isa_changed_in(stash);
+ }
+ if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) {
+ gp->gp_io = newIO();
+ IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START;
+ }
+ GvGP_set(gv,gp);
+ if (isa_changed) mro_isa_changed_in(stash);
}
else {
- gp_ref(GvGP(gv));
- GvINTRO_on(gv);
+ gp_ref(GvGP(gv));
+ GvINTRO_on(gv);
}
}
PERL_ARGS_ASSERT_SAVE_ARY;
if (UNLIKELY(!AvREAL(oav) && AvREIFY(oav)))
- av_reify(oav);
+ av_reify(oav);
save_pushptrptr(SvREFCNT_inc_simple_NN(gv), oav, SAVEt_AV);
GvAV(gv) = NULL;
av = GvAVn(gv);
if (UNLIKELY(SvMAGIC(oav)))
- mg_localize(MUTABLE_SV(oav), MUTABLE_SV(av), TRUE);
+ mg_localize(MUTABLE_SV(oav), MUTABLE_SV(av), TRUE);
return av;
}
PERL_ARGS_ASSERT_SAVE_HASH;
save_pushptrptr(
- SvREFCNT_inc_simple_NN(gv), (ohv = GvHVn(gv)), SAVEt_HV
+ SvREFCNT_inc_simple_NN(gv), (ohv = GvHVn(gv)), SAVEt_HV
);
GvHV(gv) = NULL;
hv = GvHVn(gv);
if (UNLIKELY(SvMAGIC(ohv)))
- mg_localize(MUTABLE_SV(ohv), MUTABLE_SV(hv), TRUE);
+ mg_localize(MUTABLE_SV(ohv), MUTABLE_SV(hv), TRUE);
return hv;
}
PERL_ARGS_ASSERT_SAVE_ITEM;
save_pushptrptr(item, /* remember the pointer */
- sv, /* remember the value */
- SAVEt_ITEM);
+ sv, /* remember the value */
+ SAVEt_ITEM);
}
void
void
Perl_save_strlen(pTHX_ STRLEN *ptr)
{
+ const IV i = *ptr;
+ UV type = ((I32)((U32)i << SAVE_TIGHT_SHIFT) | SAVEt_STRLEN_SMALL);
+ int size = 2;
dSS_ADD;
PERL_ARGS_ASSERT_SAVE_STRLEN;
- SS_ADD_IV(*ptr);
+ if (UNLIKELY((I32)(type >> SAVE_TIGHT_SHIFT) != i)) {
+ SS_ADD_IV(*ptr);
+ type = SAVEt_STRLEN;
+ size++;
+ }
+
SS_ADD_PTR(ptr);
- SS_ADD_UV(SAVEt_STRLEN);
- SS_ADD_END(3);
+ SS_ADD_UV(type);
+ SS_ADD_END(size);
+}
+
+void
+Perl_save_iv(pTHX_ IV *ivp)
+{
+ PERL_ARGS_ASSERT_SAVE_IV;
+
+ SSCHECK(3);
+ SSPUSHIV(*ivp);
+ SSPUSHPTR(ivp);
+ SSPUSHUV(SAVEt_IV);
}
/* Cannot use save_sptr() to store a char* since the SV** cast will
ASSERT_CURPAD_ACTIVE("save_clearsv");
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);
+ Perl_croak(aTHX_ "panic: pad offset %" UVuf " out of range (%p-%p)",
+ offset, svp, PL_curpad);
}
{
{
COPHH *save_cophh = cophh_copy(CopHINTHASH_get(&PL_compiling));
if (PL_hints & HINT_LOCALIZE_HH) {
- 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);
+ HV *oldhh = GvHV(PL_hintgv);
+ {
+ dSS_ADD;
+ SS_ADD_INT(PL_hints);
+ SS_ADD_PTR(save_cophh);
+ SS_ADD_PTR(oldhh);
+ SS_ADD_UV(SAVEt_HINTS_HH);
+ SS_ADD_END(4);
+ }
+ GvHV(PL_hintgv) = NULL; /* in case copying dies */
+ GvHV(PL_hintgv) = hv_copy_hints_hv(oldhh);
+ SAVEFEATUREBITS();
} else {
- save_pushi32ptr(PL_hints, save_cophh, SAVEt_HINTS);
+ 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)
+ const int type)
{
dSS_ADD;
SS_ADD_PTR(ptr1);
void
Perl_save_aelem_flags(pTHX_ AV *av, SSize_t idx, SV **sptr,
- const U32 flags)
+ const U32 flags)
{
dSS_ADD;
SV *sv;
/* 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);
+ av_reify(av);
save_scalar_at(sptr, flags); /* XXX - FIXME - see #60360 */
if (flags & SAVEf_KEEPOLDELEM)
- return;
+ 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 (UNLIKELY(SvTIED_mg((const SV *)av, PERL_MAGIC_tied)))
- sv_2mortal(sv);
+ sv_2mortal(sv);
}
void
}
save_scalar_at(sptr, flags);
if (flags & SAVEf_KEEPOLDELEM)
- return;
+ 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 (UNLIKELY(SvTIED_mg((const SV *)hv, PERL_MAGIC_tied)))
- sv_2mortal(sv);
+ sv_2mortal(sv);
}
SV*
return save_scalar_at(sptr, SAVEf_SETMAGIC); /* XXX - FIXME - see #60360 */
}
+
+void
+Perl_savetmps(pTHX)
+{
+ dSS_ADD;
+ SS_ADD_IV(PL_tmps_floor);
+ PL_tmps_floor = PL_tmps_ix;
+ SS_ADD_UV(SAVEt_TMPSFLOOR);
+ SS_ADD_END(2);
+}
+
+
I32
Perl_save_alloc(pTHX_ I32 size, I32 pad)
{
const UV elems_shifted = elems << SAVE_TIGHT_SHIFT;
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);
+ Perl_croak(aTHX_
+ "panic: save_alloc elems %" UVuf " out of range (%" IVdf "-%" IVdf ")",
+ elems, (IV)size, (IV)pad);
SSGROW(elems + 1);
}
+static const U8 arg_counts[] = {
+ 0, /* SAVEt_ALLOC */
+ 0, /* SAVEt_CLEARPADRANGE */
+ 0, /* SAVEt_CLEARSV */
+ 0, /* SAVEt_REGCONTEXT */
+ 1, /* SAVEt_TMPSFLOOR */
+ 1, /* SAVEt_BOOL */
+ 1, /* SAVEt_COMPILE_WARNINGS */
+ 1, /* SAVEt_COMPPAD */
+ 1, /* SAVEt_FREECOPHH */
+ 1, /* SAVEt_FREEOP */
+ 1, /* SAVEt_FREEPV */
+ 1, /* SAVEt_FREESV */
+ 1, /* SAVEt_I16 */
+ 1, /* SAVEt_I32_SMALL */
+ 1, /* SAVEt_I8 */
+ 1, /* SAVEt_INT_SMALL */
+ 1, /* SAVEt_MORTALIZESV */
+ 1, /* SAVEt_NSTAB */
+ 1, /* SAVEt_OP */
+ 1, /* SAVEt_PARSER */
+ 1, /* SAVEt_STACK_POS */
+ 1, /* SAVEt_READONLY_OFF */
+ 1, /* SAVEt_FREEPADNAME */
+ 1, /* SAVEt_STRLEN_SMALL */
+ 2, /* SAVEt_AV */
+ 2, /* SAVEt_DESTRUCTOR */
+ 2, /* SAVEt_DESTRUCTOR_X */
+ 2, /* SAVEt_GENERIC_PVREF */
+ 2, /* SAVEt_GENERIC_SVREF */
+ 2, /* SAVEt_GP */
+ 2, /* SAVEt_GVSV */
+ 2, /* SAVEt_HINTS */
+ 2, /* SAVEt_HPTR */
+ 2, /* SAVEt_HV */
+ 2, /* SAVEt_I32 */
+ 2, /* SAVEt_INT */
+ 2, /* SAVEt_ITEM */
+ 2, /* SAVEt_IV */
+ 2, /* SAVEt_LONG */
+ 2, /* SAVEt_PPTR */
+ 2, /* SAVEt_SAVESWITCHSTACK */
+ 2, /* SAVEt_SHARED_PVREF */
+ 2, /* SAVEt_SPTR */
+ 2, /* SAVEt_STRLEN */
+ 2, /* SAVEt_SV */
+ 2, /* SAVEt_SVREF */
+ 2, /* SAVEt_VPTR */
+ 2, /* SAVEt_ADELETE */
+ 2, /* SAVEt_APTR */
+ 3, /* SAVEt_HELEM */
+ 3, /* SAVEt_PADSV_AND_MORTALIZE*/
+ 3, /* SAVEt_SET_SVFLAGS */
+ 3, /* SAVEt_GVSLOT */
+ 3, /* SAVEt_AELEM */
+ 3, /* SAVEt_DELETE */
+ 3 /* SAVEt_HINTS_HH */
+};
-#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)
/* Localise the effects of the TAINT_NOT inside the loop. */
bool was = TAINT_get;
- I32 i;
- SV *sv;
-
- 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);
+ 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));
+ (long)PL_savestack_ix, (long)base));
while (PL_savestack_ix > base) {
- UV uv;
- U8 type;
+ UV uv;
+ U8 type;
+ ANY *ap; /* arg pointer */
+ ANY a0, a1, a2; /* up to 3 args */
- SV *refsv;
- SV **svp;
-
- TAINT_NOT;
+ TAINT_NOT;
{
+ U8 argcount;
I32 ix = PL_savestack_ix - 1;
- ANY *p = &PL_savestack[ix];
- uv = p->any_uv;
+
+ ap = &PL_savestack[ix];
+ uv = ap->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;
+ argcount = arg_counts[type];
+ PL_savestack_ix = ix - argcount;
+ ap -= argcount;
}
- switch (type) {
- case SAVEt_ITEM: /* normal string */
- sv_replace(ARG1_SV, ARG0_SV);
- if (UNLIKELY(SvSMAGICAL(ARG1_SV))) {
+ switch (type) {
+ case SAVEt_ITEM: /* normal string */
+ a0 = ap[0]; a1 = ap[1];
+ sv_replace(a0.any_sv, a1.any_sv);
+ if (UNLIKELY(SvSMAGICAL(a0.any_sv))) {
PL_localizing = 2;
- mg_set(ARG1_SV);
+ mg_set(a0.any_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 */
- svp = &GvSV(ARG1_GV);
- refsv = ARG1_SV; /* what to refcnt_dec */
- restore_sv:
+ 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 */
+ a0 = ap[0]; a1 = ap[1];
+ a2.any_svp = a0.any_svp;
+ a0.any_sv = NULL; /* what to refcnt_dec */
+ goto restore_sv;
+
+ case SAVEt_SV: /* scalar reference */
+ a0 = ap[0]; a1 = ap[1];
+ a2.any_svp = &GvSV(a0.any_gv);
+ restore_sv:
{
- SV * const sv = *svp;
- *svp = ARG0_SV;
- SvREFCNT_dec(sv);
- if (UNLIKELY(SvSMAGICAL(ARG0_SV))) {
- /* mg_set could die, skipping the freeing of ARG0_SV and
- * refsv; Ensure that they're always freed in that case */
+ /* do *a2.any_svp = a1 and free a0 */
+ SV * const sv = *a2.any_svp;
+ *a2.any_svp = a1.any_sv;
+ SvREFCNT_dec(sv);
+ if (UNLIKELY(SvSMAGICAL(a1.any_sv))) {
+ /* mg_set could die, skipping the freeing of a0 and
+ * a1; Ensure that they're always freed in that case */
dSS_ADD;
- SS_ADD_PTR(ARG0_SV);
+ SS_ADD_PTR(a1.any_sv);
SS_ADD_UV(SAVEt_FREESV);
- SS_ADD_PTR(refsv);
+ SS_ADD_PTR(a0.any_sv);
SS_ADD_UV(SAVEt_FREESV);
SS_ADD_END(4);
PL_localizing = 2;
- mg_set(ARG0_SV);
+ mg_set(a1.any_sv);
PL_localizing = 0;
break;
}
- SvREFCNT_dec_NN(ARG0_SV);
- SvREFCNT_dec(refsv);
- break;
+ SvREFCNT_dec_NN(a1.any_sv);
+ SvREFCNT_dec(a0.any_sv);
+ break;
}
- case SAVEt_GENERIC_PVREF: /* generic pv */
- if (*ARG0_PVP != ARG1_PV) {
- Safefree(*ARG0_PVP);
- *ARG0_PVP = ARG1_PV;
- }
- break;
- case SAVEt_SHARED_PVREF: /* shared pv */
- if (*ARG1_PVP != ARG0_PV) {
+
+ case SAVEt_GENERIC_PVREF: /* generic pv */
+ a0 = ap[0]; a1 = ap[1];
+ if (*a1.any_pvp != a0.any_pv) {
+ Safefree(*a1.any_pvp);
+ *a1.any_pvp = a0.any_pv;
+ }
+ break;
+
+ case SAVEt_SHARED_PVREF: /* shared pv */
+ a0 = ap[0]; a1 = ap[1];
+ if (*a0.any_pvp != a1.any_pv) {
#ifdef NETWARE
- PerlMem_free(*ARG1_PVP);
+ PerlMem_free(*a0.any_pvp);
#else
- PerlMemShared_free(*ARG1_PVP);
+ PerlMemShared_free(*a0.any_pvp);
#endif
- *ARG1_PVP = ARG0_PV;
- }
- break;
- case SAVEt_GVSV: /* scalar slot in GV */
- svp = &GvSV(ARG1_GV);
- goto restore_svp;
- case SAVEt_GENERIC_SVREF: /* generic sv */
- svp = ARG1_SVP;
- restore_svp:
+ *a0.any_pvp = a1.any_pv;
+ }
+ break;
+
+ case SAVEt_GVSV: /* scalar slot in GV */
+ a0 = ap[0]; a1 = ap[1];
+ a0.any_svp = &GvSV(a0.any_gv);
+ goto restore_svp;
+
+ case SAVEt_GENERIC_SVREF: /* generic sv */
+ a0 = ap[0]; a1 = ap[1];
+ restore_svp:
{
- SV * const sv = *svp;
- *svp = ARG0_SV;
- SvREFCNT_dec(sv);
- SvREFCNT_dec(ARG0_SV);
- break;
+ /* do *a0.any_svp = a1 */
+ SV * const sv = *a0.any_svp;
+ *a0.any_svp = a1.any_sv;
+ SvREFCNT_dec(sv);
+ SvREFCNT_dec(a1.any_sv);
+ break;
}
- case SAVEt_GVSLOT: /* any slot in GV */
+
+ 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);
- }
- goto restore_svp;
+ HV * hv;
+ a0 = ap[0]; a1 = ap[1]; a2 = ap[2];
+ hv = GvSTASH(a0.any_gv);
+ if (hv && HvENAME(hv) && (
+ (a2.any_sv && SvTYPE(a2.any_sv) == SVt_PVCV)
+ || (*a1.any_svp && SvTYPE(*a1.any_svp) == SVt_PVCV)
+ ))
+ {
+ if ((char *)a1.any_svp < (char *)GvGP(a0.any_gv)
+ || (char *)a1.any_svp > (char *)GvGP(a0.any_gv) + sizeof(struct gp)
+ || GvREFCNT(a0.any_gv) > 2) /* "> 2" to ignore savestack's ref */
+ PL_sub_generation++;
+ else mro_method_changed_in(hv);
+ }
+ a0.any_svp = a1.any_svp;
+ a1.any_sv = a2.any_sv;
+ goto restore_svp;
}
- case SAVEt_AV: /* array reference */
- SvREFCNT_dec(GvAV(ARG1_GV));
- GvAV(ARG1_GV) = ARG0_AV;
+
+ case SAVEt_AV: /* array reference */
+ a0 = ap[0]; a1 = ap[1];
+ SvREFCNT_dec(GvAV(a0.any_gv));
+ GvAV(a0.any_gv) = a1.any_av;
avhv_common:
- if (UNLIKELY(SvSMAGICAL(ARG0_SV))) {
- /* mg_set might die, so make sure ARG1 isn't leaked */
+ if (UNLIKELY(SvSMAGICAL(a1.any_sv))) {
+ /* mg_set might die, so make sure a0 isn't leaked */
dSS_ADD;
- SS_ADD_PTR(ARG1_SV);
+ SS_ADD_PTR(a0.any_sv);
SS_ADD_UV(SAVEt_FREESV);
SS_ADD_END(2);
PL_localizing = 2;
- mg_set(ARG0_SV);
+ mg_set(a1.any_sv);
PL_localizing = 0;
break;
}
- SvREFCNT_dec_NN(ARG1_GV);
- break;
- case SAVEt_HV: /* hash reference */
- SvREFCNT_dec(GvHV(ARG1_GV));
- GvHV(ARG1_GV) = ARG0_HV;
+ SvREFCNT_dec_NN(a0.any_sv);
+ break;
+
+ case SAVEt_HV: /* hash reference */
+ a0 = ap[0]; a1 = ap[1];
+ SvREFCNT_dec(GvHV(a0.any_gv));
+ GvHV(a0.any_gv) = a1.any_hv;
goto avhv_common;
- case SAVEt_INT_SMALL:
- *(int*)ARG0_PTR = (int)(uv >> SAVE_TIGHT_SHIFT);
- break;
- case SAVEt_INT: /* int reference */
- *(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 */
- *(bool*)ARG0_PTR = cBOOL(uv >> 8);
+ case SAVEt_INT_SMALL:
+ a0 = ap[0];
+ *(int*)a0.any_ptr = (int)(uv >> SAVE_TIGHT_SHIFT);
+ break;
+
+ case SAVEt_INT: /* int reference */
+ a0 = ap[0]; a1 = ap[1];
+ *(int*)a1.any_ptr = (int)a0.any_i32;
+ break;
+
+ case SAVEt_STRLEN_SMALL:
+ a0 = ap[0];
+ *(STRLEN*)a0.any_ptr = (STRLEN)(uv >> SAVE_TIGHT_SHIFT);
+ break;
+
+ case SAVEt_STRLEN: /* STRLEN/size_t ref */
+ a0 = ap[0]; a1 = ap[1];
+ *(STRLEN*)a1.any_ptr = (STRLEN)a0.any_iv;
+ break;
+
+ case SAVEt_TMPSFLOOR: /* restore PL_tmps_floor */
+ a0 = ap[0];
+ PL_tmps_floor = (SSize_t)a0.any_iv;
+ break;
+
+ case SAVEt_BOOL: /* bool reference */
+ a0 = ap[0];
+ *(bool*)a0.any_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;
- }
+ if (UNLIKELY(a0.any_ptr == &(PL_tainted))) {
+ /* 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*)a0.any_ptr;
+ }
#endif
- break;
- case SAVEt_I32_SMALL:
- *(I32*)ARG0_PTR = (I32)(uv >> SAVE_TIGHT_SHIFT);
- break;
- case SAVEt_I32: /* I32 reference */
+ break;
+
+ case SAVEt_I32_SMALL:
+ a0 = ap[0];
+ *(I32*)a0.any_ptr = (I32)(uv >> SAVE_TIGHT_SHIFT);
+ break;
+
+ case SAVEt_I32: /* I32 reference */
+ a0 = ap[0]; a1 = ap[1];
#ifdef PERL_DEBUG_READONLY_OPS
- if (*(I32*)ARG0_PTR != ARG1_I32)
+ if (*(I32*)a1.any_ptr != a0.any_i32)
#endif
- *(I32*)ARG0_PTR = ARG1_I32;
- break;
- case SAVEt_SPTR: /* SV* reference */
- *(SV**)(ARG0_PTR)= ARG1_SV;
- break;
- case SAVEt_VPTR: /* random* reference */
- case SAVEt_PPTR: /* char* reference */
- *ARG0_PVP = ARG1_PV;
- break;
- case SAVEt_HPTR: /* HV* reference */
- *(HV**)ARG0_PTR = MUTABLE_HV(ARG1_PTR);
- break;
- case SAVEt_APTR: /* AV* reference */
- *(AV**)ARG0_PTR = ARG1_AV;
- break;
- case SAVEt_GP: /* scalar reference */
+ *(I32*)a1.any_ptr = a0.any_i32;
+ break;
+
+ case SAVEt_SPTR: /* SV* reference */
+ case SAVEt_VPTR: /* random* reference */
+ case SAVEt_PPTR: /* char* reference */
+ case SAVEt_HPTR: /* HV* reference */
+ case SAVEt_APTR: /* AV* reference */
+ a0 = ap[0]; a1 = ap[1];
+ *a1.any_svp= a0.any_sv;
+ break;
+
+ case SAVEt_GP: /* scalar reference */
{
HV *hv;
+ bool had_method;
+
+ a0 = ap[0]; a1 = ap[1];
/* 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))
+ had_method = !!GvCVu(a0.any_gv);
+ gp_free(a0.any_gv);
+ GvGP_set(a0.any_gv, (GP*)a1.any_ptr);
+ if ((hv=GvSTASH(a0.any_gv)) && HvENAME_get(hv)) {
+ if (memEQs(GvNAME(a0.any_gv), GvNAMELEN(a0.any_gv), "ISA"))
+ mro_isa_changed_in(hv);
+ else if (had_method || GvCVu(a0.any_gv))
/* putting a method back into circulation ("local")*/
- gv_method_changed(ARG1_GV);
- }
- SvREFCNT_dec_NN(ARG1_GV);
- break;
+ gv_method_changed(a0.any_gv);
+ }
+ SvREFCNT_dec_NN(a0.any_gv);
+ break;
}
- case SAVEt_FREESV:
- SvREFCNT_dec(ARG0_SV);
- break;
- case SAVEt_FREEPADNAME:
- PadnameREFCNT_dec((PADNAME *)ARG0_PTR);
- break;
- case SAVEt_FREECOPHH:
- cophh_free((COPHH *)ARG0_PTR);
- break;
- case SAVEt_MORTALIZESV:
- sv_2mortal(ARG0_SV);
- break;
- case SAVEt_FREEOP:
- ASSERT_CURPAD_LEGAL("SAVEt_FREEOP");
- op_free((OP*)ARG0_PTR);
- break;
- case SAVEt_FREEPV:
- Safefree(ARG0_PTR);
- break;
+
+ case SAVEt_FREESV:
+ a0 = ap[0];
+ SvREFCNT_dec(a0.any_sv);
+ break;
+
+ case SAVEt_FREEPADNAME:
+ a0 = ap[0];
+ PadnameREFCNT_dec((PADNAME *)a0.any_ptr);
+ break;
+
+ case SAVEt_FREECOPHH:
+ a0 = ap[0];
+ cophh_free((COPHH *)a0.any_ptr);
+ break;
+
+ case SAVEt_MORTALIZESV:
+ a0 = ap[0];
+ sv_2mortal(a0.any_sv);
+ break;
+
+ case SAVEt_FREEOP:
+ a0 = ap[0];
+ ASSERT_CURPAD_LEGAL("SAVEt_FREEOP");
+ op_free(a0.any_op);
+ break;
+
+ case SAVEt_FREEPV:
+ a0 = ap[0];
+ Safefree(a0.any_ptr);
+ break;
case SAVEt_CLEARPADRANGE:
+ {
+ I32 i;
+ SV **svp;
i = (I32)((uv >> SAVE_TIGHT_SHIFT) & OPpPADRANGE_COUNTMASK);
- svp = &PL_curpad[uv >>
+ svp = &PL_curpad[uv >>
(OPpPADRANGE_COUNTSHIFT + SAVE_TIGHT_SHIFT)] + i - 1;
goto clearsv;
- case SAVEt_CLEARSV:
- svp = &PL_curpad[uv >> SAVE_TIGHT_SHIFT];
+ case SAVEt_CLEARSV:
+ svp = &PL_curpad[uv >> SAVE_TIGHT_SHIFT];
i = 1;
clearsv:
for (; i; i--, svp--) {
- sv = *svp;
+ SV *sv = *svp;
DEBUG_Xv(PerlIO_printf(Perl_debug_log,
- "Pad 0x%"UVxf"[0x%"UVxf"] clearsv: %ld sv=0x%"UVxf"<%"IVdf"> %s\n",
+ "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"
break;
case SVt_PVCV:
{
- HEK *hek =
- CvNAMED(sv)
- ? CvNAME_HEK((CV *)sv)
- : GvNAME_HEK(CvGV(sv));
+ HEK *hek = CvGvNAME_HEK(sv);
assert(hek);
(void)share_hek_hek(hek);
cv_undef((CV *)sv);
case SVt_PVHV: *svp = MUTABLE_SV(newHV()); break;
case SVt_PVCV:
{
- HEK * const hek = CvNAMED(sv)
- ? CvNAME_HEK((CV *)sv)
- : GvNAME_HEK(CvGV(sv));
+ HEK * const hek = CvGvNAME_HEK(sv);
/* Create a stub */
*svp = newSV_type(SVt_PVCV);
SvFLAGS(*svp) |= SVs_PADSTALE;
}
}
- break;
- case SAVEt_DELETE:
- (void)hv_delete(ARG0_HV, ARG2_PV, ARG1_I32, G_DISCARD);
- SvREFCNT_dec(ARG0_HV);
- Safefree(arg2.any_ptr);
- break;
- case SAVEt_ADELETE:
- (void)av_delete(ARG0_AV, arg1.any_iv, G_DISCARD);
- SvREFCNT_dec(ARG0_AV);
- break;
- case SAVEt_DESTRUCTOR_X:
- (*arg1.any_dxptr)(aTHX_ ARG0_PTR);
- break;
- case SAVEt_REGCONTEXT:
- /* regexp must have croaked */
- case SAVEt_ALLOC:
- PL_savestack_ix -= uv >> SAVE_TIGHT_SHIFT;
- break;
- case SAVEt_STACK_POS: /* Position on Perl stack */
- PL_stack_sp = PL_stack_base + arg0.any_i32;
- break;
- case SAVEt_AELEM: /* array element */
- 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(ARG2_AV);
- SvREFCNT_dec(ARG0_SV);
- break;
- case SAVEt_HELEM: /* hash element */
+ break;
+ }
+
+ case SAVEt_DELETE:
+ a0 = ap[0]; a1 = ap[1]; a2 = ap[2];
+ /* hv_delete could die, so free the key and SvREFCNT_dec the
+ * hv by pushing new save actions
+ */
+ /* ap[0] is the key */
+ ap[1].any_uv = SAVEt_FREEPV; /* was len */
+ /* ap[2] is the hv */
+ ap[3].any_uv = SAVEt_FREESV; /* was SAVEt_DELETE */
+ PL_savestack_ix += 4;
+ (void)hv_delete(a2.any_hv, a0.any_pv, a1.any_i32, G_DISCARD);
+ break;
+
+ case SAVEt_ADELETE:
+ a0 = ap[0]; a1 = ap[1];
+ /* av_delete could die, so SvREFCNT_dec the av by pushing a
+ * new save action
+ */
+ ap[0].any_av = a1.any_av;
+ ap[1].any_uv = SAVEt_FREESV;
+ PL_savestack_ix += 2;
+ (void)av_delete(a1.any_av, a0.any_iv, G_DISCARD);
+ break;
+
+ case SAVEt_DESTRUCTOR_X:
+ a0 = ap[0]; a1 = ap[1];
+ (*a0.any_dxptr)(aTHX_ a1.any_ptr);
+ break;
+
+ case SAVEt_REGCONTEXT:
+ /* regexp must have croaked */
+ case SAVEt_ALLOC:
+ PL_savestack_ix -= uv >> SAVE_TIGHT_SHIFT;
+ break;
+
+ case SAVEt_STACK_POS: /* Position on Perl stack */
+ a0 = ap[0];
+ PL_stack_sp = PL_stack_base + a0.any_i32;
+ break;
+
+ case SAVEt_AELEM: /* array element */
{
- 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(ARG2_HV);
- SvREFCNT_dec(ARG0_SV);
- break;
+ SV **svp;
+ a0 = ap[0]; a1 = ap[1]; a2 = ap[2];
+ svp = av_fetch(a0.any_av, a1.any_iv, 1);
+ if (UNLIKELY(!AvREAL(a0.any_av) && AvREIFY(a0.any_av))) /* undo reify guard */
+ SvREFCNT_dec(a2.any_sv);
+ if (LIKELY(svp)) {
+ SV * const sv = *svp;
+ if (LIKELY(sv && sv != &PL_sv_undef)) {
+ if (UNLIKELY(SvTIED_mg((const SV *)a0.any_av, PERL_MAGIC_tied)))
+ SvREFCNT_inc_void_NN(sv);
+ a1.any_sv = a2.any_sv;
+ a2.any_svp = svp;
+ goto restore_sv;
+ }
+ }
+ SvREFCNT_dec(a0.any_av);
+ SvREFCNT_dec(a2.any_sv);
+ break;
+ }
+
+ case SAVEt_HELEM: /* hash element */
+ {
+ HE *he;
+
+ a0 = ap[0]; a1 = ap[1]; a2 = ap[2];
+ he = hv_fetch_ent(a0.any_hv, a1.any_sv, 1, 0);
+ SvREFCNT_dec(a1.any_sv);
+ if (LIKELY(he)) {
+ const SV * const oval = HeVAL(he);
+ if (LIKELY(oval && oval != &PL_sv_undef)) {
+ SV **svp = &HeVAL(he);
+ if (UNLIKELY(SvTIED_mg((const SV *)a0.any_hv, PERL_MAGIC_tied)))
+ SvREFCNT_inc_void(*svp);
+ a1.any_sv = a2.any_sv;
+ a2.any_svp = svp;
+ goto restore_sv;
+ }
+ }
+ SvREFCNT_dec(a0.any_hv);
+ SvREFCNT_dec(a2.any_sv);
+ break;
+ }
+
+ case SAVEt_OP:
+ a0 = ap[0];
+ PL_op = (OP*)a0.any_ptr;
+ break;
+
+ case SAVEt_HINTS_HH:
+ a2 = ap[2];
+ /* FALLTHROUGH */
+ case SAVEt_HINTS:
+ a0 = ap[0]; a1 = ap[1];
+ 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*)a1.any_ptr);
+ *(I32*)&PL_hints = a0.any_i32;
+ if (type == SAVEt_HINTS_HH) {
+ SvREFCNT_dec(MUTABLE_SV(GvHV(PL_hintgv)));
+ GvHV(PL_hintgv) = MUTABLE_HV(a2.any_ptr);
+ }
+ 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:
+ a0 = ap[0];
+ PL_comppad = (PAD*)a0.any_ptr;
+ if (LIKELY(PL_comppad))
+ PL_curpad = AvARRAY(PL_comppad);
+ else
+ PL_curpad = NULL;
+ break;
+
+ case SAVEt_PADSV_AND_MORTALIZE:
+ {
+ SV **svp;
+
+ a0 = ap[0]; a1 = ap[1]; a2 = ap[2];
+ assert (a1.any_ptr);
+ svp = AvARRAY((PAD*)a1.any_ptr) + (PADOFFSET)a2.any_uv;
+ /* This mortalizing used to be done by CX_POOPLOOP() 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 = a0.any_sv;
+ }
+ break;
+
+ case SAVEt_SAVESWITCHSTACK:
+ {
+ dSP;
+
+ a0 = ap[0]; a1 = ap[1];
+ SWITCHSTACK(a1.any_av, a0.any_av);
+ PL_curstackinfo->si_stack = a0.any_av;
+ }
+ break;
+
+ case SAVEt_SET_SVFLAGS:
+ a0 = ap[0]; a1 = ap[1]; a2 = ap[2];
+ SvFLAGS(a0.any_sv) &= ~(a1.any_u32);
+ SvFLAGS(a0.any_sv) |= a2.any_u32;
+ break;
+
+ /* These are only saved in mathoms.c */
+ case SAVEt_NSTAB:
+ a0 = ap[0];
+ (void)sv_clear(a0.any_sv);
+ break;
+
+ case SAVEt_LONG: /* long reference */
+ a0 = ap[0]; a1 = ap[1];
+ *(long*)a1.any_ptr = a0.any_long;
+ break;
+
+ case SAVEt_IV: /* IV reference */
+ a0 = ap[0]; a1 = ap[1];
+ *(IV*)a1.any_ptr = a0.any_iv;
+ break;
+
+ case SAVEt_I16: /* I16 reference */
+ a0 = ap[0];
+ *(I16*)a0.any_ptr = (I16)(uv >> 8);
+ break;
+
+ case SAVEt_I8: /* I8 reference */
+ a0 = ap[0];
+ *(I8*)a0.any_ptr = (I8)(uv >> 8);
+ break;
+
+ case SAVEt_DESTRUCTOR:
+ a0 = ap[0]; a1 = ap[1];
+ (*a0.any_dptr)(a1.any_ptr);
+ break;
+
+ case SAVEt_COMPILE_WARNINGS:
+ a0 = ap[0];
+ free_and_set_cop_warnings(&PL_compiling, (STRLEN*) a0.any_ptr);
+ break;
+
+ case SAVEt_PARSER:
+ a0 = ap[0];
+ parser_free((yy_parser *)a0.any_ptr);
+ break;
+
+ case SAVEt_READONLY_OFF:
+ a0 = ap[0];
+ SvREADONLY_off(a0.any_sv);
+ break;
+
+ default:
+ Perl_croak(aTHX_ "panic: leave_scope inconsistency %u",
+ (U8)uv & SAVE_MASK);
}
- case SAVEt_OP:
- PL_op = (OP*)ARG0_PTR;
- break;
- case SAVEt_HINTS:
- 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*)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);
- }
- 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*)ARG0_PTR;
- if (LIKELY(PL_comppad))
- PL_curpad = AvARRAY(PL_comppad);
- else
- PL_curpad = NULL;
- break;
- case SAVEt_PADSV_AND_MORTALIZE:
- {
- SV **svp;
- 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 = ARG2_SV;
- }
- break;
- case SAVEt_SAVESWITCHSTACK:
- {
- dSP;
- SWITCHSTACK(ARG0_AV, ARG1_AV);
- PL_curstackinfo->si_stack = ARG1_AV;
- }
- break;
- case SAVEt_SET_SVFLAGS:
- SvFLAGS(ARG2_SV) &= ~((U32)ARG1_I32);
- SvFLAGS(ARG2_SV) |= (U32)ARG0_I32;
- break;
-
- /* These are only saved in mathoms.c */
- case SAVEt_NSTAB:
- (void)sv_clear(ARG0_SV);
- break;
- case SAVEt_LONG: /* long reference */
- *(long*)ARG0_PTR = arg1.any_long;
- break;
- case SAVEt_IV: /* IV reference */
- *(IV*)ARG0_PTR = arg1.any_iv;
- break;
-
- case SAVEt_I16: /* I16 reference */
- *(I16*)ARG0_PTR = (I16)(uv >> 8);
- break;
- case SAVEt_I8: /* I8 reference */
- *(I8*)ARG0_PTR = (I8)(uv >> 8);
- break;
- case SAVEt_DESTRUCTOR:
- (*arg1.any_dptr)(ARG0_PTR);
- break;
- case SAVEt_COMPILE_WARNINGS:
- if (!specialWARN(PL_compiling.cop_warnings))
- PerlMemShared_free(PL_compiling.cop_warnings);
-
- PL_compiling.cop_warnings = (STRLEN*)ARG0_PTR;
- break;
- case SAVEt_PARSER:
- parser_free((yy_parser *) ARG0_PTR);
- break;
- case SAVEt_READONLY_OFF:
- SvREADONLY_off(ARG0_SV);
- break;
- default:
- Perl_croak(aTHX_ "panic: leave_scope inconsistency %u", type);
- }
}
TAINT_set(was);
#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_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp);
- 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));
- 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);
+ 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_OLDMARKSP = %ld\n", (long)cx->blk_oldmarksp);
+ PerlIO_printf(Perl_debug_log, "BLK_OLDSCOPESP = %ld\n", (long)cx->blk_oldscopesp);
+ PerlIO_printf(Perl_debug_log, "BLK_OLDSAVEIX = %ld\n", (long)cx->blk_oldsaveix);
+ PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%" UVxf "\n",
+ PTR2UV(cx->blk_oldpm));
+ switch (cx->blk_gimme) {
+ case G_VOID:
+ gimme_text = "VOID";
+ break;
+ case G_SCALAR:
+ gimme_text = "SCALAR";
+ break;
+ case G_LIST:
+ 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:
case CXt_BLOCK:
- break;
+ break;
case CXt_FORMAT:
- PerlIO_printf(Perl_debug_log, "BLK_FORMAT.CV = 0x%"UVxf"\n",
- PTR2UV(cx->blk_format.cv));
- PerlIO_printf(Perl_debug_log, "BLK_FORMAT.GV = 0x%"UVxf"\n",
- PTR2UV(cx->blk_format.gv));
- PerlIO_printf(Perl_debug_log, "BLK_FORMAT.DFOUTGV = 0x%"UVxf"\n",
- PTR2UV(cx->blk_format.dfoutgv));
- PerlIO_printf(Perl_debug_log, "BLK_FORMAT.HASARGS = %d\n",
- (int)CxHASARGS(cx));
- PerlIO_printf(Perl_debug_log, "BLK_FORMAT.RETOP = 0x%"UVxf"\n",
- PTR2UV(cx->blk_format.retop));
- break;
+ PerlIO_printf(Perl_debug_log, "BLK_FORMAT.CV = 0x%" UVxf "\n",
+ PTR2UV(cx->blk_format.cv));
+ PerlIO_printf(Perl_debug_log, "BLK_FORMAT.GV = 0x%" UVxf "\n",
+ PTR2UV(cx->blk_format.gv));
+ PerlIO_printf(Perl_debug_log, "BLK_FORMAT.DFOUTGV = 0x%" UVxf "\n",
+ PTR2UV(cx->blk_format.dfoutgv));
+ PerlIO_printf(Perl_debug_log, "BLK_FORMAT.HASARGS = %d\n",
+ (int)CxHASARGS(cx));
+ PerlIO_printf(Perl_debug_log, "BLK_FORMAT.RETOP = 0x%" UVxf "\n",
+ PTR2UV(cx->blk_format.retop));
+ break;
case CXt_SUB:
- PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n",
- PTR2UV(cx->blk_sub.cv));
- PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n",
- (long)cx->blk_sub.olddepth);
- PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n",
- (int)CxHASARGS(cx));
- PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n", (int)CxLVAL(cx));
- PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n",
- PTR2UV(cx->blk_sub.retop));
- break;
+ PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%" UVxf "\n",
+ PTR2UV(cx->blk_sub.cv));
+ PerlIO_printf(Perl_debug_log, "BLK_SUB.OLDDEPTH = %ld\n",
+ (long)cx->blk_sub.olddepth);
+ PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n",
+ (int)CxHASARGS(cx));
+ PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n", (int)CxLVAL(cx));
+ PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%" UVxf "\n",
+ PTR2UV(cx->blk_sub.retop));
+ break;
case CXt_EVAL:
- PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n",
- (long)CxOLD_IN_EVAL(cx));
- PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n",
- PL_op_name[CxOLD_OP_TYPE(cx)],
- PL_op_desc[CxOLD_OP_TYPE(cx)]);
- if (cx->blk_eval.old_namesv)
- PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n",
- SvPVX_const(cx->blk_eval.old_namesv));
- PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%"UVxf"\n",
- PTR2UV(cx->blk_eval.old_eval_root));
- PerlIO_printf(Perl_debug_log, "BLK_EVAL.RETOP = 0x%"UVxf"\n",
- PTR2UV(cx->blk_eval.retop));
- break;
+ PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_IN_EVAL = %ld\n",
+ (long)CxOLD_IN_EVAL(cx));
+ PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n",
+ PL_op_name[CxOLD_OP_TYPE(cx)],
+ PL_op_desc[CxOLD_OP_TYPE(cx)]);
+ if (cx->blk_eval.old_namesv)
+ PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n",
+ SvPVX_const(cx->blk_eval.old_namesv));
+ PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%" UVxf "\n",
+ PTR2UV(cx->blk_eval.old_eval_root));
+ PerlIO_printf(Perl_debug_log, "BLK_EVAL.RETOP = 0x%" UVxf "\n",
+ PTR2UV(cx->blk_eval.retop));
+ break;
case CXt_LOOP_PLAIN:
case CXt_LOOP_LAZYIV:
case CXt_LOOP_LAZYSV:
case CXt_LOOP_LIST:
case CXt_LOOP_ARY:
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n", CxLABEL(cx));
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.MY_OP = 0x%"UVxf"\n",
- PTR2UV(cx->blk_loop.my_op));
- /* 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));
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n",
- (long)cx->blk_loop.state_u.ary.ix);
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n",
- PTR2UV(CxITERVAR(cx)));
- break;
+ PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n", CxLABEL(cx));
+ PerlIO_printf(Perl_debug_log, "BLK_LOOP.MY_OP = 0x%" UVxf "\n",
+ PTR2UV(cx->blk_loop.my_op));
+ if (CxTYPE(cx) != CXt_LOOP_PLAIN) {
+ PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%" UVxf "\n",
+ PTR2UV(CxITERVAR(cx)));
+ PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERSAVE = 0x%" UVxf "\n",
+ PTR2UV(cx->blk_loop.itersave));
+ }
+ if (CxTYPE(cx) == CXt_LOOP_ARY) {
+ PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%" UVxf "\n",
+ PTR2UV(cx->blk_loop.state_u.ary.ary));
+ PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n",
+ (long)cx->blk_loop.state_u.ary.ix);
+ }
+ break;
case CXt_SUBST:
- PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n",
- (long)cx->sb_iters);
- PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n",
- (long)cx->sb_maxiters);
- PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n",
- (long)cx->sb_rflags);
- PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n",
- (long)CxONCE(cx));
- PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n",
- cx->sb_orig);
- PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%"UVxf"\n",
- PTR2UV(cx->sb_dstr));
- PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%"UVxf"\n",
- PTR2UV(cx->sb_targ));
- PerlIO_printf(Perl_debug_log, "SB_S = 0x%"UVxf"\n",
- PTR2UV(cx->sb_s));
- PerlIO_printf(Perl_debug_log, "SB_M = 0x%"UVxf"\n",
- PTR2UV(cx->sb_m));
- PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%"UVxf"\n",
- PTR2UV(cx->sb_strend));
- PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%"UVxf"\n",
- PTR2UV(cx->sb_rxres));
- break;
+ PerlIO_printf(Perl_debug_log, "SB_ITERS = %ld\n",
+ (long)cx->sb_iters);
+ PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n",
+ (long)cx->sb_maxiters);
+ PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n",
+ (long)cx->sb_rflags);
+ PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n",
+ (long)CxONCE(cx));
+ PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n",
+ cx->sb_orig);
+ PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%" UVxf "\n",
+ PTR2UV(cx->sb_dstr));
+ PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%" UVxf "\n",
+ PTR2UV(cx->sb_targ));
+ PerlIO_printf(Perl_debug_log, "SB_S = 0x%" UVxf "\n",
+ PTR2UV(cx->sb_s));
+ PerlIO_printf(Perl_debug_log, "SB_M = 0x%" UVxf "\n",
+ PTR2UV(cx->sb_m));
+ PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%" UVxf "\n",
+ PTR2UV(cx->sb_strend));
+ PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%" UVxf "\n",
+ PTR2UV(cx->sb_rxres));
+ break;
}
#else
PERL_UNUSED_CONTEXT;