/* scope.c
*
- * Copyright (c) 1991-1997, Larry Wall
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 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.
* levels..."
*/
+/* This file contains functions to manipulate several of Perl's stacks;
+ * in particular it contains code to push various types of things onto
+ * the savestack, then to pop them off and perform the correct restorative
+ * action for each one. This corresponds to the cleanup Perl does at
+ * each scope exit.
+ */
+
#include "EXTERN.h"
+#define PERL_IN_SCOPE_C
#include "perl.h"
SV**
-stack_grow(SV **sp, SV **p, int n)
+Perl_stack_grow(pTHX_ SV **sp, SV **p, int n)
{
- dTHR;
- stack_sp = sp;
- av_extend(curstack, (p - stack_base) + (n) + 128);
- return stack_sp;
+ dVAR;
+ PL_stack_sp = sp;
+#ifndef STRESS_REALLOC
+ av_extend(PL_curstack, (p - PL_stack_base) + (n) + 128);
+#else
+ av_extend(PL_curstack, (p - PL_stack_base) + (n) + 1);
+#endif
+ return PL_stack_sp;
+}
+
+#ifndef STRESS_REALLOC
+#define GROW(old) ((old) * 3 / 2)
+#else
+#define GROW(old) ((old) + 1)
+#endif
+
+PERL_SI *
+Perl_new_stackinfo(pTHX_ I32 stitems, I32 cxitems)
+{
+ dVAR;
+ PERL_SI *si;
+ Newx(si, 1, PERL_SI);
+ si->si_stack = newAV();
+ AvREAL_off(si->si_stack);
+ av_extend(si->si_stack, stitems > 0 ? stitems-1 : 0);
+ AvALLOC(si->si_stack)[0] = &PL_sv_undef;
+ AvFILLp(si->si_stack) = 0;
+ si->si_prev = 0;
+ si->si_next = 0;
+ si->si_cxmax = cxitems - 1;
+ si->si_cxix = -1;
+ si->si_type = PERLSI_UNDEF;
+ Newx(si->si_cxstack, cxitems, PERL_CONTEXT);
+ /* Without any kind of initialising PUSHSUBST()
+ * in pp_subst() will read uninitialised heap. */
+ PoisonNew(si->si_cxstack, cxitems, PERL_CONTEXT);
+ return si;
}
I32
-cxinc(void)
+Perl_cxinc(pTHX)
{
- dTHR;
- cxstack_max = cxstack_max * 3 / 2;
+ dVAR;
+ const IV old_max = cxstack_max;
+ cxstack_max = GROW(cxstack_max);
Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); /* XXX should fix CXINC macro */
+ /* 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);
return cxstack_ix + 1;
}
void
-push_return(OP *retop)
+Perl_push_scope(pTHX)
{
- dTHR;
- if (retstack_ix == retstack_max) {
- retstack_max = retstack_max * 3 / 2;
- Renew(retstack, retstack_max, OP*);
+ dVAR;
+ if (PL_scopestack_ix == PL_scopestack_max) {
+ PL_scopestack_max = GROW(PL_scopestack_max);
+ Renew(PL_scopestack, PL_scopestack_max, I32);
}
- retstack[retstack_ix++] = retop;
+ PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix;
+
}
-OP *
-pop_return(void)
+void
+Perl_pop_scope(pTHX)
{
- dTHR;
- if (retstack_ix > 0)
- return retstack[--retstack_ix];
- else
- return Nullop;
+ dVAR;
+ const I32 oldsave = PL_scopestack[--PL_scopestack_ix];
+ LEAVE_SCOPE(oldsave);
}
void
-push_scope(void)
+Perl_markstack_grow(pTHX)
{
- dTHR;
- if (scopestack_ix == scopestack_max) {
- scopestack_max = scopestack_max * 3 / 2;
- Renew(scopestack, scopestack_max, I32);
- }
- scopestack[scopestack_ix++] = savestack_ix;
+ 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;
}
void
-pop_scope(void)
+Perl_savestack_grow(pTHX)
{
- dTHR;
- I32 oldsave = scopestack[--scopestack_ix];
- LEAVE_SCOPE(oldsave);
+ dVAR;
+ PL_savestack_max = GROW(PL_savestack_max) + 4;
+ Renew(PL_savestack, PL_savestack_max, ANY);
}
void
-markstack_grow(void)
+Perl_savestack_grow_cnt(pTHX_ I32 need)
{
- dTHR;
- I32 oldmax = markstack_max - markstack;
- I32 newmax = oldmax * 3 / 2;
-
- Renew(markstack, newmax, I32);
- markstack_ptr = markstack + oldmax;
- markstack_max = markstack + newmax;
+ dVAR;
+ PL_savestack_max = PL_savestack_ix + need;
+ Renew(PL_savestack, PL_savestack_max, ANY);
}
+#undef GROW
+
void
-savestack_grow(void)
+Perl_tmps_grow(pTHX_ I32 n)
{
- dTHR;
- savestack_max = savestack_max * 3 / 2;
- Renew(savestack, savestack_max, ANY);
+ dVAR;
+#ifndef STRESS_REALLOC
+ if (n < 128)
+ n = (PL_tmps_max < 512) ? 128 : 512;
+#endif
+ PL_tmps_max = PL_tmps_ix + n + 1;
+ Renew(PL_tmps_stack, PL_tmps_max, SV*);
}
+
void
-free_tmps(void)
+Perl_free_tmps(pTHX)
{
- dTHR;
+ dVAR;
/* XXX should tmps_floor live in cxstack? */
- I32 myfloor = tmps_floor;
- while (tmps_ix > myfloor) { /* clean up after last statement */
- SV* sv = tmps_stack[tmps_ix];
- tmps_stack[tmps_ix--] = Nullsv;
- if (sv) {
-#ifdef DEBUGGING
+ const I32 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) {
SvTEMP_off(sv);
-#endif
SvREFCNT_dec(sv); /* note, can modify tmps_ix!!! */
}
}
}
STATIC SV *
-save_scalar_at(SV **sptr)
+S_save_scalar_at(pTHX_ SV **sptr)
{
- dTHR;
- register SV *sv;
- SV *osv = *sptr;
+ dVAR;
+ SV * const osv = *sptr;
+ register SV * const sv = *sptr = newSV(0);
+
+#ifdef PERL_MAD
+ /* FIXME for MAD - this is causing ext/Safe/t/safeops.t to abort. */
+ if (PL_formfeed && sv == PL_formfeed)
+ abort();
+#endif
- sv = *sptr = NEWSV(0,0);
if (SvTYPE(osv) >= SVt_PVMG && SvMAGIC(osv) && SvTYPE(osv) != SVt_PVGV) {
- sv_upgrade(sv, SvTYPE(osv));
if (SvGMAGICAL(osv)) {
- MAGIC* mg;
- bool oldtainted = tainted;
- mg_get(osv);
- if (tainting && tainted && (mg = mg_find(osv, 't'))) {
- SAVESPTR(mg->mg_obj);
- mg->mg_obj = osv;
- }
+ const bool oldtainted = PL_tainted;
SvFLAGS(osv) |= (SvFLAGS(osv) &
- (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
- tainted = oldtainted;
+ (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
+ PL_tainted = oldtainted;
}
- SvMAGIC(sv) = SvMAGIC(osv);
- SvFLAGS(sv) |= SvMAGICAL(osv);
- localizing = 1;
- SvSETMAGIC(sv);
- localizing = 0;
+ mg_localize(osv, sv);
}
return sv;
}
SV *
-save_scalar(GV *gv)
+Perl_save_scalar(pTHX_ GV *gv)
{
- dTHR;
+ dVAR;
+ SV ** const sptr = &GvSVn(gv);
+#ifdef PERL_MAD
+ if (PL_formfeed && *sptr == PL_formfeed)
+ abort();
+#endif
+ PL_localizing = 1;
+ SvGETMAGIC(*sptr);
+ PL_localizing = 0;
SSCHECK(3);
- SSPUSHPTR(gv);
- SSPUSHPTR(GvSV(gv));
+ SSPUSHPTR(SvREFCNT_inc_simple(gv));
+ SSPUSHPTR(SvREFCNT_inc(*sptr));
SSPUSHINT(SAVEt_SV);
- return save_scalar_at(&GvSV(gv));
+ return save_scalar_at(sptr);
}
-SV*
-save_svref(SV **sptr)
+/* Like save_sptr(), but also SvREFCNT_dec()s the new value. Can be used to
+ * restore a global SV to its prior contents, freeing new value. */
+void
+Perl_save_generic_svref(pTHX_ SV **sptr)
{
- dTHR;
+ dVAR;
+#ifdef PERL_MAD
+ if (PL_formfeed && *sptr == PL_formfeed)
+ abort();
+#endif
SSCHECK(3);
SSPUSHPTR(sptr);
- SSPUSHPTR(*sptr);
- SSPUSHINT(SAVEt_SVREF);
- return save_scalar_at(sptr);
+ SSPUSHPTR(SvREFCNT_inc(*sptr));
+ SSPUSHINT(SAVEt_GENERIC_SVREF);
}
+/* Like save_pptr(), but also Safefree()s the new value if it is different
+ * from the old one. Can be used to restore a global char* to its prior
+ * contents, freeing new value. */
+void
+Perl_save_generic_pvref(pTHX_ char **str)
+{
+ dVAR;
+ SSCHECK(3);
+ SSPUSHPTR(*str);
+ SSPUSHPTR(str);
+ SSPUSHINT(SAVEt_GENERIC_PVREF);
+}
+
+/* Like save_generic_pvref(), but uses PerlMemShared_free() rather than Safefree().
+ * Can be used to restore a shared global char* to its prior
+ * contents, freeing new value. */
+void
+Perl_save_shared_pvref(pTHX_ char **str)
+{
+ dVAR;
+ SSCHECK(3);
+ SSPUSHPTR(str);
+ SSPUSHPTR(*str);
+ SSPUSHINT(SAVEt_SHARED_PVREF);
+}
+
+/* set the SvFLAGS specified by mask to the values in val */
+
void
-save_gp(GV *gv, I32 empty)
+Perl_save_set_svflags(pTHX_ SV* sv, U32 mask, U32 val)
{
- dTHR;
- SSCHECK(6);
- SSPUSHIV((IV)SvLEN(gv));
- SvLEN(gv) = 0; /* forget that anything was allocated here */
- SSPUSHIV((IV)SvCUR(gv));
- SSPUSHPTR(SvPVX(gv));
- SvPOK_off(gv);
+ dVAR;
+ SSCHECK(4);
+ SSPUSHPTR(sv);
+ SSPUSHINT(mask);
+ SSPUSHINT(val);
+ SSPUSHINT(SAVEt_SET_SVFLAGS);
+}
+
+void
+Perl_save_gp(pTHX_ GV *gv, I32 empty)
+{
+ dVAR;
+ SSGROW(3);
SSPUSHPTR(SvREFCNT_inc(gv));
SSPUSHPTR(GvGP(gv));
SSPUSHINT(SAVEt_GP);
if (empty) {
- register GP *gp;
- Newz(602, gp, 1, GP);
- GvGP(gv) = gp_ref(gp);
- GvSV(gv) = NEWSV(72,0);
- GvLINE(gv) = curcop->cop_line;
- GvEGV(gv) = gv;
+ GP *gp = Perl_newGP(aTHX_ gv);
+
+ if (GvCVu(gv))
+ PL_sub_generation++; /* taking a method out of circulation */
+ if (GvIOp(gv) && (IoFLAGS(GvIOp(gv)) & IOf_ARGV)) {
+ gp->gp_io = newIO();
+ IoFLAGS(gp->gp_io) |= IOf_ARGV|IOf_START;
+ }
+ GvGP(gv) = gp;
}
else {
gp_ref(GvGP(gv));
}
AV *
-save_ary(GV *gv)
+Perl_save_ary(pTHX_ GV *gv)
{
- dTHR;
- AV *oav, *av;
+ dVAR;
+ AV * const oav = GvAVn(gv);
+ AV *av;
+ if (!AvREAL(oav) && AvREIFY(oav))
+ av_reify(oav);
SSCHECK(3);
SSPUSHPTR(gv);
- SSPUSHPTR(oav = GvAVn(gv));
+ SSPUSHPTR(oav);
SSPUSHINT(SAVEt_AV);
- GvAV(gv) = Null(AV*);
+ GvAV(gv) = NULL;
av = GvAVn(gv);
- if (SvMAGIC(oav)) {
- SvMAGIC(av) = SvMAGIC(oav);
- SvFLAGS(av) |= SvMAGICAL(oav);
- SvMAGICAL_off(oav);
- SvMAGIC(oav) = 0;
- localizing = 1;
- SvSETMAGIC((SV*)av);
- localizing = 0;
- }
+ if (SvMAGIC(oav))
+ mg_localize((SV*)oav, (SV*)av);
return av;
}
HV *
-save_hash(GV *gv)
+Perl_save_hash(pTHX_ GV *gv)
{
- dTHR;
+ dVAR;
HV *ohv, *hv;
SSCHECK(3);
SSPUSHPTR(ohv = GvHVn(gv));
SSPUSHINT(SAVEt_HV);
- GvHV(gv) = Null(HV*);
+ GvHV(gv) = NULL;
hv = GvHVn(gv);
- if (SvMAGIC(ohv)) {
- SvMAGIC(hv) = SvMAGIC(ohv);
- SvFLAGS(hv) |= SvMAGICAL(ohv);
- SvMAGICAL_off(ohv);
- SvMAGIC(ohv) = 0;
- localizing = 1;
- SvSETMAGIC((SV*)hv);
- localizing = 0;
- }
+ if (SvMAGIC(ohv))
+ mg_localize((SV*)ohv, (SV*)hv);
return hv;
}
void
-save_item(register SV *item)
+Perl_save_item(pTHX_ register SV *item)
{
- dTHR;
- register SV *sv;
+ dVAR;
+ register SV * const sv = newSVsv(item);
+
+#ifdef PERL_MAD
+ if (PL_formfeed && item == PL_formfeed)
+ abort();
+#endif
SSCHECK(3);
SSPUSHPTR(item); /* remember the pointer */
- sv = NEWSV(0,0);
- sv_setsv(sv,item);
SSPUSHPTR(sv); /* remember the value */
SSPUSHINT(SAVEt_ITEM);
}
void
-save_int(int *intp)
+Perl_save_int(pTHX_ int *intp)
{
- dTHR;
+ dVAR;
SSCHECK(3);
SSPUSHINT(*intp);
SSPUSHPTR(intp);
}
void
-save_long(long int *longp)
+Perl_save_bool(pTHX_ bool *boolp)
{
- dTHR;
+ dVAR;
SSCHECK(3);
- SSPUSHLONG(*longp);
- SSPUSHPTR(longp);
- SSPUSHINT(SAVEt_LONG);
+ SSPUSHBOOL(*boolp);
+ SSPUSHPTR(boolp);
+ SSPUSHINT(SAVEt_BOOL);
}
void
-save_I32(I32 *intp)
+Perl_save_I32(pTHX_ I32 *intp)
{
- dTHR;
+ dVAR;
SSCHECK(3);
SSPUSHINT(*intp);
SSPUSHPTR(intp);
SSPUSHINT(SAVEt_I32);
}
-void
-save_I16(I16 *intp)
-{
- dTHR;
- SSCHECK(3);
- SSPUSHINT(*intp);
- SSPUSHPTR(intp);
- SSPUSHINT(SAVEt_I16);
-}
-
-void
-save_iv(IV *ivp)
-{
- dTHR;
- SSCHECK(3);
- SSPUSHIV(*ivp);
- SSPUSHPTR(ivp);
- SSPUSHINT(SAVEt_IV);
-}
-
/* Cannot use save_sptr() to store a char* since the SV** cast will
* force word-alignment and we'll miss the pointer.
*/
void
-save_pptr(char **pptr)
+Perl_save_pptr(pTHX_ char **pptr)
{
- dTHR;
+ dVAR;
SSCHECK(3);
SSPUSHPTR(*pptr);
SSPUSHPTR(pptr);
}
void
-save_sptr(SV **sptr)
+Perl_save_vptr(pTHX_ void *ptr)
{
- dTHR;
+ dVAR;
SSCHECK(3);
- SSPUSHPTR(*sptr);
- SSPUSHPTR(sptr);
- SSPUSHINT(SAVEt_SPTR);
+ SSPUSHPTR(*(char**)ptr);
+ SSPUSHPTR(ptr);
+ SSPUSHINT(SAVEt_VPTR);
}
-SV **
-save_threadsv(PADOFFSET i)
+void
+Perl_save_sptr(pTHX_ SV **sptr)
{
-#ifdef USE_THREADS
- dTHR;
- SV **svp = av_fetch(thr->threadsv, i, FALSE);
- DEBUG_L(PerlIO_printf(PerlIO_stderr(), "save_threadsv %u: %p %p:%s\n",
- i, svp, *svp, SvPEEK(*svp)));
- save_svref(svp);
- return svp;
-#else
- croak("panic: save_threadsv called in non-threaded perl");
- return 0;
-#endif /* USE_THREADS */
+ dVAR;
+ SSCHECK(3);
+ SSPUSHPTR(*sptr);
+ SSPUSHPTR(sptr);
+ SSPUSHINT(SAVEt_SPTR);
}
void
-save_nogv(GV *gv)
+Perl_save_padsv(pTHX_ PADOFFSET off)
{
- dTHR;
- SSCHECK(2);
- SSPUSHPTR(gv);
- SSPUSHINT(SAVEt_NSTAB);
+ dVAR;
+ SSCHECK(4);
+ ASSERT_CURPAD_ACTIVE("save_padsv");
+ SSPUSHPTR(PL_curpad[off]);
+ SSPUSHPTR(PL_comppad);
+ SSPUSHLONG((long)off);
+ SSPUSHINT(SAVEt_PADSV);
}
void
-save_hptr(HV **hptr)
+Perl_save_hptr(pTHX_ HV **hptr)
{
- dTHR;
+ dVAR;
SSCHECK(3);
SSPUSHPTR(*hptr);
SSPUSHPTR(hptr);
}
void
-save_aptr(AV **aptr)
+Perl_save_aptr(pTHX_ AV **aptr)
{
- dTHR;
+ dVAR;
SSCHECK(3);
SSPUSHPTR(*aptr);
SSPUSHPTR(aptr);
}
void
-save_freesv(SV *sv)
+Perl_save_freesv(pTHX_ SV *sv)
{
- dTHR;
+ dVAR;
SSCHECK(2);
SSPUSHPTR(sv);
SSPUSHINT(SAVEt_FREESV);
}
void
-save_freeop(OP *o)
+Perl_save_mortalizesv(pTHX_ SV *sv)
{
- dTHR;
+ dVAR;
+ SSCHECK(2);
+ SSPUSHPTR(sv);
+ SSPUSHINT(SAVEt_MORTALIZESV);
+}
+
+void
+Perl_save_freeop(pTHX_ OP *o)
+{
+ dVAR;
SSCHECK(2);
SSPUSHPTR(o);
SSPUSHINT(SAVEt_FREEOP);
}
void
-save_freepv(char *pv)
+Perl_save_freepv(pTHX_ char *pv)
{
- dTHR;
+ dVAR;
SSCHECK(2);
SSPUSHPTR(pv);
SSPUSHINT(SAVEt_FREEPV);
}
void
-save_clearsv(SV **svp)
+Perl_save_clearsv(pTHX_ SV **svp)
{
- dTHR;
+ dVAR;
+ ASSERT_CURPAD_ACTIVE("save_clearsv");
SSCHECK(2);
- SSPUSHLONG((long)(svp-curpad));
+ SSPUSHLONG((long)(svp-PL_curpad));
SSPUSHINT(SAVEt_CLEARSV);
+ SvPADSTALE_off(*svp); /* mark lexical as active */
}
void
-save_delete(HV *hv, char *key, I32 klen)
+Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen)
{
- dTHR;
+ dVAR;
SSCHECK(4);
SSPUSHINT(klen);
SSPUSHPTR(key);
- SSPUSHPTR(hv);
+ SSPUSHPTR(SvREFCNT_inc_simple(hv));
SSPUSHINT(SAVEt_DELETE);
}
void
-save_list(register SV **sarg, I32 maxsarg)
+Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p)
{
- dTHR;
- register SV *sv;
- register I32 i;
-
- SSCHECK(3 * maxsarg);
- for (i = 1; i <= maxsarg; i++) {
- SSPUSHPTR(sarg[i]); /* remember the pointer */
- sv = NEWSV(0,0);
- sv_setsv(sv,sarg[i]);
- SSPUSHPTR(sv); /* remember the value */
- SSPUSHINT(SAVEt_ITEM);
- }
+ dVAR;
+ SSCHECK(3);
+ SSPUSHDXPTR(f);
+ SSPUSHPTR(p);
+ SSPUSHINT(SAVEt_DESTRUCTOR_X);
}
void
-#ifdef PERL_OBJECT
-save_destructor(void (*f) (void*, void*), void* p)
-#else
-save_destructor(void (*f) (void *), void *p)
-#endif
+Perl_save_aelem(pTHX_ AV *av, I32 idx, SV **sptr)
+{
+ dVAR;
+ SV *sv;
+ SvGETMAGIC(*sptr);
+ SSCHECK(4);
+ SSPUSHPTR(SvREFCNT_inc_simple(av));
+ SSPUSHINT(idx);
+ SSPUSHPTR(SvREFCNT_inc(*sptr));
+ SSPUSHINT(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);
+ 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))
+ sv_2mortal(sv);
+}
+
+void
+Perl_save_helem(pTHX_ HV *hv, SV *key, SV **sptr)
+{
+ dVAR;
+ SV *sv;
+ SvGETMAGIC(*sptr);
+ SSCHECK(4);
+ SSPUSHPTR(SvREFCNT_inc_simple(hv));
+ SSPUSHPTR(SvREFCNT_inc_simple(key));
+ SSPUSHPTR(SvREFCNT_inc(*sptr));
+ SSPUSHINT(SAVEt_HELEM);
+ save_scalar_at(sptr);
+ 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))
+ sv_2mortal(sv);
+}
+
+SV*
+Perl_save_svref(pTHX_ SV **sptr)
{
- dTHR;
+ dVAR;
+#ifdef PERL_MAD
+ if (PL_formfeed && *sptr == PL_formfeed)
+ abort();
+#endif
+ SvGETMAGIC(*sptr);
SSCHECK(3);
- SSPUSHDPTR(f);
- SSPUSHPTR(p);
- SSPUSHINT(SAVEt_DESTRUCTOR);
+ SSPUSHPTR(sptr);
+ SSPUSHPTR(SvREFCNT_inc(*sptr));
+ SSPUSHINT(SAVEt_SVREF);
+ return save_scalar_at(sptr);
}
void
-save_op(void)
+Perl_save_op(pTHX)
{
- dTHR;
+ dVAR;
SSCHECK(2);
- SSPUSHPTR(op);
+ SSPUSHPTR(PL_op);
SSPUSHINT(SAVEt_OP);
}
+I32
+Perl_save_alloc(pTHX_ I32 size, I32 pad)
+{
+ 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));
+
+ SSGROW(elems + 2);
+
+ PL_savestack_ix += elems;
+ SSPUSHINT(elems);
+ SSPUSHINT(SAVEt_ALLOC);
+ return start;
+}
+
void
-leave_scope(I32 base)
+Perl_leave_scope(pTHX_ I32 base)
{
- dTHR;
+ dVAR;
register SV *sv;
register SV *value;
register GV *gv;
register AV *av;
register HV *hv;
- register void* ptr;
+ void* ptr;
+ register char* str;
+ I32 i;
if (base < -1)
- croak("panic: corrupt saved stack index");
- while (savestack_ix > base) {
+ Perl_croak(aTHX_ "panic: corrupt saved stack index");
+ while (PL_savestack_ix > base) {
switch (SSPOPINT) {
case SAVEt_ITEM: /* normal string */
value = (SV*)SSPOPPTR;
sv = (SV*)SSPOPPTR;
sv_replace(sv,value);
- localizing = 2;
+ PL_localizing = 2;
SvSETMAGIC(sv);
- localizing = 0;
+ PL_localizing = 0;
break;
- case SAVEt_SV: /* scalar reference */
+ case SAVEt_SV: /* scalar reference */
value = (SV*)SSPOPPTR;
gv = (GV*)SSPOPPTR;
ptr = &GvSV(gv);
- goto restore_sv;
- case SAVEt_SVREF: /* scalar reference */
- value = (SV*)SSPOPPTR;
- ptr = SSPOPPTR;
+ av = (AV*)gv; /* what to refcnt_dec */
restore_sv:
sv = *(SV**)ptr;
- DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
"restore svref: %p %p:%s -> %p:%s\n",
- ptr, sv, SvPEEK(sv), value, SvPEEK(value)));
- if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv) &&
- SvTYPE(sv) != SVt_PVGV)
- {
- (void)SvUPGRADE(value, SvTYPE(sv));
- SvMAGIC(value) = SvMAGIC(sv);
- SvFLAGS(value) |= SvMAGICAL(sv);
- SvMAGICAL_off(sv);
- SvMAGIC(sv) = 0;
+ ptr, sv, SvPEEK(sv), value, SvPEEK(value)));
+ *(SV**)ptr = value;
+ SvREFCNT_dec(sv);
+ PL_localizing = 2;
+ SvSETMAGIC(value);
+ PL_localizing = 0;
+ SvREFCNT_dec(value);
+ if (av) /* actually an av, hv or gv */
+ SvREFCNT_dec(av);
+ break;
+ case SAVEt_GENERIC_PVREF: /* generic pv */
+ ptr = SSPOPPTR;
+ str = (char*)SSPOPPTR;
+ if (*(char**)ptr != str) {
+ Safefree(*(char**)ptr);
+ *(char**)ptr = str;
}
- else if (SvTYPE(value) >= SVt_PVMG && SvMAGIC(value) &&
- SvTYPE(value) != SVt_PVGV)
- {
- SvFLAGS(value) |= (SvFLAGS(value) &
- (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
- SvMAGICAL_off(value);
- SvMAGIC(value) = 0;
+ break;
+ case SAVEt_SHARED_PVREF: /* shared pv */
+ str = (char*)SSPOPPTR;
+ ptr = SSPOPPTR;
+ if (*(char**)ptr != str) {
+#ifdef NETWARE
+ PerlMem_free(*(char**)ptr);
+#else
+ PerlMemShared_free(*(char**)ptr);
+#endif
+ *(char**)ptr = str;
}
- SvREFCNT_dec(sv);
+ break;
+ case SAVEt_GENERIC_SVREF: /* generic sv */
+ value = (SV*)SSPOPPTR;
+ ptr = SSPOPPTR;
+ sv = *(SV**)ptr;
*(SV**)ptr = value;
- localizing = 2;
- SvSETMAGIC(value);
- localizing = 0;
- break;
- case SAVEt_AV: /* array reference */
+ SvREFCNT_dec(sv);
+ SvREFCNT_dec(value);
+ break;
+ case SAVEt_AV: /* array reference */
av = (AV*)SSPOPPTR;
gv = (GV*)SSPOPPTR;
if (GvAV(gv)) {
- AV *goner = GvAV(gv);
- SvMAGIC(av) = SvMAGIC(goner);
- SvFLAGS(av) |= SvMAGICAL(goner);
+ AV * const goner = GvAV(gv);
+ /* FIXME - this is a temporary hack until we work out what
+ the correct behaviour for magic should be. */
+ sv_unmagic((SV*)goner, PERL_MAGIC_arylen_p);
+ SvMAGIC_set(av, SvMAGIC(goner));
+ SvFLAGS((SV*)av) |= SvMAGICAL(goner);
SvMAGICAL_off(goner);
- SvMAGIC(goner) = 0;
+ SvMAGIC_set(goner, NULL);
SvREFCNT_dec(goner);
}
- GvAV(gv) = av;
+ GvAV(gv) = av;
if (SvMAGICAL(av)) {
- localizing = 2;
+ PL_localizing = 2;
SvSETMAGIC((SV*)av);
- localizing = 0;
+ PL_localizing = 0;
}
- break;
- case SAVEt_HV: /* hash reference */
+ break;
+ case SAVEt_HV: /* hash reference */
hv = (HV*)SSPOPPTR;
gv = (GV*)SSPOPPTR;
if (GvHV(gv)) {
- HV *goner = GvHV(gv);
- SvMAGIC(hv) = SvMAGIC(goner);
+ HV * const goner = GvHV(gv);
+ SvMAGIC_set(hv, SvMAGIC(goner));
SvFLAGS(hv) |= SvMAGICAL(goner);
SvMAGICAL_off(goner);
- SvMAGIC(goner) = 0;
+ SvMAGIC_set(goner, NULL);
SvREFCNT_dec(goner);
}
- GvHV(gv) = hv;
+ GvHV(gv) = hv;
if (SvMAGICAL(hv)) {
- localizing = 2;
+ PL_localizing = 2;
SvSETMAGIC((SV*)hv);
- localizing = 0;
+ PL_localizing = 0;
}
- break;
+ break;
case SAVEt_INT: /* int reference */
ptr = SSPOPPTR;
*(int*)ptr = (int)SSPOPINT;
break;
- case SAVEt_LONG: /* long reference */
+ case SAVEt_BOOL: /* bool reference */
ptr = SSPOPPTR;
- *(long*)ptr = (long)SSPOPLONG;
+ *(bool*)ptr = (bool)SSPOPBOOL;
break;
case SAVEt_I32: /* I32 reference */
ptr = SSPOPPTR;
*(I32*)ptr = (I32)SSPOPINT;
break;
- case SAVEt_I16: /* I16 reference */
- ptr = SSPOPPTR;
- *(I16*)ptr = (I16)SSPOPINT;
- break;
- case SAVEt_IV: /* IV reference */
- ptr = SSPOPPTR;
- *(IV*)ptr = (IV)SSPOPIV;
- break;
case SAVEt_SPTR: /* SV* reference */
ptr = SSPOPPTR;
*(SV**)ptr = (SV*)SSPOPPTR;
break;
+ case SAVEt_VPTR: /* random* reference */
case SAVEt_PPTR: /* char* reference */
ptr = SSPOPPTR;
*(char**)ptr = (char*)SSPOPPTR;
ptr = SSPOPPTR;
*(AV**)ptr = (AV*)SSPOPPTR;
break;
- case SAVEt_NSTAB:
- gv = (GV*)SSPOPPTR;
- (void)sv_clear((SV*)gv);
- break;
case SAVEt_GP: /* scalar reference */
ptr = SSPOPPTR;
gv = (GV*)SSPOPPTR;
- gp_free(gv);
- GvGP(gv) = (GP*)ptr;
- if (SvPOK(gv) && SvLEN(gv) > 0) {
- Safefree(SvPVX(gv));
- }
- SvPVX(gv) = (char *)SSPOPPTR;
- SvCUR(gv) = (STRLEN)SSPOPIV;
- SvLEN(gv) = (STRLEN)SSPOPIV;
+ gp_free(gv);
+ GvGP(gv) = (GP*)ptr;
+ if (GvCVu(gv))
+ PL_sub_generation++; /* putting a method back into circulation */
SvREFCNT_dec(gv);
- break;
+ break;
case SAVEt_FREESV:
ptr = SSPOPPTR;
SvREFCNT_dec((SV*)ptr);
break;
+ case SAVEt_MORTALIZESV:
+ ptr = SSPOPPTR;
+ sv_2mortal((SV*)ptr);
+ break;
case SAVEt_FREEOP:
ptr = SSPOPPTR;
- if (comppad)
- curpad = AvARRAY(comppad);
+ ASSERT_CURPAD_LEGAL("SAVEt_FREEOP"); /* XXX DAPM tmp */
op_free((OP*)ptr);
break;
case SAVEt_FREEPV:
ptr = SSPOPPTR;
- Safefree((char*)ptr);
+ Safefree(ptr);
break;
case SAVEt_CLEARSV:
- ptr = (void*)&curpad[SSPOPLONG];
+ ptr = (void*)&PL_curpad[SSPOPLONG];
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 (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv))
- croak("panic: leave_scope clearsv");
- if (SvROK(sv))
- sv_unref(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 (SvMAGICAL(sv))
mg_free(sv);
hv_clear((HV*)sv);
break;
case SVt_PVCV:
- croak("panic: leave_scope pad code");
- case SVt_RV:
- case SVt_IV:
- case SVt_NV:
- (void)SvOK_off(sv);
- break;
+ Perl_croak(aTHX_ "panic: leave_scope pad code");
default:
- (void)SvOK_off(sv);
- (void)SvOOK_off(sv);
+ SvOK_off(sv);
break;
}
+ SvPADSTALE_on(sv); /* mark as no longer live */
}
else { /* Someone has a claim on this, so abandon it. */
- U32 padflags = SvFLAGS(sv) & (SVs_PADBUSY|SVs_PADMY|SVs_PADTMP);
+ 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;
- default: *(SV**)ptr = NEWSV(0,0); break;
+ default: *(SV**)ptr = newSV(0); break;
}
SvREFCNT_dec(sv); /* Cast current value to the winds. */
- SvFLAGS(*(SV**)ptr) |= padflags; /* preserve pad nature */
+ /* preserve pad nature, but also mark as not live
+ * for any closure capturing */
+ SvFLAGS(*(SV**)ptr) |= padflags | SVs_PADSTALE;
}
break;
case SAVEt_DELETE:
ptr = SSPOPPTR;
hv = (HV*)ptr;
ptr = SSPOPPTR;
- (void)hv_delete(hv, (char*)ptr, (U32)SSPOPINT, G_DISCARD);
+ (void)hv_delete(hv, (char*)ptr, (I32)SSPOPINT, G_DISCARD);
+ SvREFCNT_dec(hv);
Safefree(ptr);
break;
- case SAVEt_DESTRUCTOR:
+ case SAVEt_DESTRUCTOR_X:
ptr = SSPOPPTR;
- (*SSPOPDPTR)(THIS_ ptr);
+ (*SSPOPDXPTR)(aTHX_ ptr);
break;
case SAVEt_REGCONTEXT:
+ case SAVEt_ALLOC:
+ i = SSPOPINT;
+ PL_savestack_ix -= i; /* regexp must have croaked */
+ 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;
+ break;
+ case SAVEt_AELEM: /* array element */
+ value = (SV*)SSPOPPTR;
+ i = SSPOPINT;
+ av = (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))
+ SvREFCNT_inc_void_NN(sv);
+ goto restore_sv;
+ }
+ }
+ SvREFCNT_dec(av);
+ SvREFCNT_dec(value);
+ break;
+ case SAVEt_HELEM: /* hash element */
+ value = (SV*)SSPOPPTR;
+ sv = (SV*)SSPOPPTR;
+ hv = (HV*)SSPOPPTR;
+ ptr = hv_fetch_ent(hv, sv, 1, 0);
+ 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))
+ SvREFCNT_inc_void(*(SV**)ptr);
+ SvREFCNT_dec(sv);
+ av = (AV*)hv; /* what to refcnt_dec */
+ goto restore_sv;
+ }
+ }
+ SvREFCNT_dec(hv);
+ SvREFCNT_dec(sv);
+ SvREFCNT_dec(value);
+ break;
+ case SAVEt_OP:
+ PL_op = (OP*)SSPOPPTR;
+ break;
+ case SAVEt_HINTS:
+ if ((PL_hints & HINT_LOCALIZE_HH) && GvHV(PL_hintgv)) {
+ SvREFCNT_dec((SV*)GvHV(PL_hintgv));
+ GvHV(PL_hintgv) = NULL;
+ }
+ *(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;
+ 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. */
+
+ 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_curpad = AvARRAY(PL_comppad);
+ else
+ PL_curpad = NULL;
+ break;
+ case SAVEt_PADSV:
{
- I32 delta = SSPOPINT;
- savestack_ix -= delta; /* regexp must have croaked */
+ const PADOFFSET off = (PADOFFSET)SSPOPLONG;
+ ptr = SSPOPPTR;
+ if (ptr)
+ AvARRAY((PAD*)ptr)[off] = (SV*)SSPOPPTR;
}
break;
- case SAVEt_STACK_POS: /* Position on Perl stack */
+ case SAVEt_SAVESWITCHSTACK:
{
- I32 delta = SSPOPINT;
- stack_sp = stack_base + delta;
+ dSP;
+ AV* const t = (AV*)SSPOPPTR;
+ AV* const f = (AV*)SSPOPPTR;
+ SWITCHSTACK(t,f);
+ PL_curstackinfo->si_stack = f;
}
break;
- case SAVEt_OP:
- op = (OP*)SSPOPPTR;
+ case SAVEt_SET_SVFLAGS:
+ {
+ const U32 val = (U32)SSPOPINT;
+ const U32 mask = (U32)SSPOPINT;
+ sv = (SV*)SSPOPPTR;
+ SvFLAGS(sv) &= ~mask;
+ SvFLAGS(sv) |= val;
+ }
+ break;
+ /* These are only saved in mathoms.c */
+ case SAVEt_SVREF: /* scalar reference */
+ value = (SV*)SSPOPPTR;
+ ptr = SSPOPPTR;
+ av = NULL; /* what to refcnt_dec */
+ goto restore_sv;
+ case SAVEt_LONG: /* long reference */
+ ptr = SSPOPPTR;
+ *(long*)ptr = (long)SSPOPLONG;
+ break;
+ case SAVEt_I16: /* I16 reference */
+ ptr = SSPOPPTR;
+ *(I16*)ptr = (I16)SSPOPINT;
+ break;
+ case SAVEt_I8: /* I8 reference */
+ ptr = SSPOPPTR;
+ *(I8*)ptr = (I8)SSPOPINT;
+ break;
+ case SAVEt_IV: /* IV reference */
+ ptr = SSPOPPTR;
+ *(IV*)ptr = (IV)SSPOPIV;
+ break;
+ case SAVEt_NSTAB:
+ gv = (GV*)SSPOPPTR;
+ (void)sv_clear((SV*)gv);
+ break;
+ case SAVEt_DESTRUCTOR:
+ ptr = SSPOPPTR;
+ (*SSPOPDPTR)(ptr);
+ break;
+ case SAVEt_COP_ARYBASE:
+ ptr = SSPOPPTR;
+ i = SSPOPINT;
+ CopARYBASE_set((COP *)ptr, i);
+ 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);
+ }
break;
default:
- croak("panic: leave_scope inconsistency");
+ Perl_croak(aTHX_ "panic: leave_scope inconsistency");
}
}
}
-#ifdef DEBUGGING
-
void
-cx_dump(PERL_CONTEXT *cx)
+Perl_cx_dump(pTHX_ PERL_CONTEXT *cx)
{
- dTHR;
- PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), block_type[cx->cx_type]);
- if (cx->cx_type != CXt_SUBST) {
+ dVAR;
+#ifdef DEBUGGING
+ PerlIO_printf(Perl_debug_log, "CX %ld = %s\n", (long)(cx - cxstack), PL_block_type[CxTYPE(cx)]);
+ if (CxTYPE(cx) != CXt_SUBST) {
PerlIO_printf(Perl_debug_log, "BLK_OLDSP = %ld\n", (long)cx->blk_oldsp);
- PerlIO_printf(Perl_debug_log, "BLK_OLDCOP = 0x%lx\n", (long)cx->blk_oldcop);
+ 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_OLDRETSP = %ld\n", (long)cx->blk_oldretsp);
- PerlIO_printf(Perl_debug_log, "BLK_OLDPM = 0x%lx\n", (long)cx->blk_oldpm);
+ 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->cx_type) {
+ switch (CxTYPE(cx)) {
case CXt_NULL:
case CXt_BLOCK:
break;
+ case CXt_FORMAT:
+ PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%"UVxf"\n",
+ PTR2UV(cx->blk_sub.cv));
+ PerlIO_printf(Perl_debug_log, "BLK_SUB.GV = 0x%"UVxf"\n",
+ PTR2UV(cx->blk_sub.gv));
+ PerlIO_printf(Perl_debug_log, "BLK_SUB.DFOUTGV = 0x%"UVxf"\n",
+ PTR2UV(cx->blk_sub.dfoutgv));
+ PerlIO_printf(Perl_debug_log, "BLK_SUB.HASARGS = %d\n",
+ (int)cx->blk_sub.hasargs);
+ PerlIO_printf(Perl_debug_log, "BLK_SUB.RETOP = 0x%"UVxf"\n",
+ PTR2UV(cx->blk_sub.retop));
+ break;
case CXt_SUB:
- PerlIO_printf(Perl_debug_log, "BLK_SUB.CV = 0x%lx\n",
- (long)cx->blk_sub.cv);
- PerlIO_printf(Perl_debug_log, "BLK_SUB.GV = 0x%lx\n",
- (long)cx->blk_sub.gv);
- PerlIO_printf(Perl_debug_log, "BLK_SUB.DFOUTGV = 0x%lx\n",
- (long)cx->blk_sub.dfoutgv);
+ 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)cx->blk_sub.hasargs);
+ PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n",
+ (int)cx->blk_sub.lval);
+ 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)cx->blk_eval.old_in_eval);
PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_OP_TYPE = %s (%s)\n",
- op_name[cx->blk_eval.old_op_type],
- op_desc[cx->blk_eval.old_op_type]);
- PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_NAME = %s\n",
- cx->blk_eval.old_name);
- PerlIO_printf(Perl_debug_log, "BLK_EVAL.OLD_EVAL_ROOT = 0x%lx\n",
- (long)cx->blk_eval.old_eval_root);
+ PL_op_name[cx->blk_eval.old_op_type],
+ PL_op_desc[cx->blk_eval.old_op_type]);
+ 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:
cx->blk_loop.label);
PerlIO_printf(Perl_debug_log, "BLK_LOOP.RESETSP = %ld\n",
(long)cx->blk_loop.resetsp);
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.REDO_OP = 0x%lx\n",
- (long)cx->blk_loop.redo_op);
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.NEXT_OP = 0x%lx\n",
- (long)cx->blk_loop.next_op);
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.LAST_OP = 0x%lx\n",
- (long)cx->blk_loop.last_op);
+ 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)));
PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n",
(long)cx->blk_loop.iterix);
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%lx\n",
- (long)cx->blk_loop.iterary);
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%lx\n",
- (long)cx->blk_loop.itervar);
- if (cx->blk_loop.itervar)
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERSAVE = 0x%lx\n",
- (long)cx->blk_loop.itersave);
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERLVAL = 0x%lx\n",
- (long)cx->blk_loop.iterlval);
+ PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERARY = 0x%"UVxf"\n",
+ PTR2UV(cx->blk_loop.iterary));
+ PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERVAR = 0x%"UVxf"\n",
+ PTR2UV(CxITERVAR(cx)));
+ if (CxITERVAR(cx))
+ PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERSAVE = 0x%"UVxf"\n",
+ PTR2UV(cx->blk_loop.itersave));
+ PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERLVAL = 0x%"UVxf"\n",
+ PTR2UV(cx->blk_loop.iterlval));
break;
case CXt_SUBST:
(long)cx->sb_iters);
PerlIO_printf(Perl_debug_log, "SB_MAXITERS = %ld\n",
(long)cx->sb_maxiters);
- PerlIO_printf(Perl_debug_log, "SB_SAFEBASE = %ld\n",
- (long)cx->sb_safebase);
+ PerlIO_printf(Perl_debug_log, "SB_RFLAGS = %ld\n",
+ (long)cx->sb_rflags);
PerlIO_printf(Perl_debug_log, "SB_ONCE = %ld\n",
(long)cx->sb_once);
PerlIO_printf(Perl_debug_log, "SB_ORIG = %s\n",
cx->sb_orig);
- PerlIO_printf(Perl_debug_log, "SB_DSTR = 0x%lx\n",
- (long)cx->sb_dstr);
- PerlIO_printf(Perl_debug_log, "SB_TARG = 0x%lx\n",
- (long)cx->sb_targ);
- PerlIO_printf(Perl_debug_log, "SB_S = 0x%lx\n",
- (long)cx->sb_s);
- PerlIO_printf(Perl_debug_log, "SB_M = 0x%lx\n",
- (long)cx->sb_m);
- PerlIO_printf(Perl_debug_log, "SB_STREND = 0x%lx\n",
- (long)cx->sb_strend);
- PerlIO_printf(Perl_debug_log, "SB_RXRES = 0x%lx\n",
- (long)cx->sb_rxres);
+ 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;
+ PERL_UNUSED_ARG(cx);
+#endif /* DEBUGGING */
}
-#endif
+
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */