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-rw-r--r--contrib/perl5/scope.c1063
1 files changed, 0 insertions, 1063 deletions
diff --git a/contrib/perl5/scope.c b/contrib/perl5/scope.c
deleted file mode 100644
index bb4143b..0000000
--- a/contrib/perl5/scope.c
+++ /dev/null
@@ -1,1063 +0,0 @@
-/* scope.c
- *
- * Copyright (c) 1991-2001, Larry Wall
- *
- * You may distribute under the terms of either the GNU General Public
- * License or the Artistic License, as specified in the README file.
- *
- */
-
-/*
- * "For the fashion of Minas Tirith was such that it was built on seven
- * levels..."
- */
-
-#include "EXTERN.h"
-#define PERL_IN_SCOPE_C
-#include "perl.h"
-
-#if defined(PERL_FLEXIBLE_EXCEPTIONS)
-void *
-Perl_default_protect(pTHX_ volatile JMPENV *pcur_env, int *excpt,
- protect_body_t body, ...)
-{
- void *ret;
- va_list args;
- va_start(args, body);
- ret = vdefault_protect(pcur_env, excpt, body, &args);
- va_end(args);
- return ret;
-}
-
-void *
-Perl_vdefault_protect(pTHX_ volatile JMPENV *pcur_env, int *excpt,
- protect_body_t body, va_list *args)
-{
- int ex;
- void *ret;
-
- JMPENV_PUSH(ex);
- if (ex)
- ret = NULL;
- else
- ret = CALL_FPTR(body)(aTHX_ *args);
- *excpt = ex;
- JMPENV_POP;
- return ret;
-}
-#endif
-
-SV**
-Perl_stack_grow(pTHX_ SV **sp, SV **p, int n)
-{
-#if defined(DEBUGGING) && !defined(USE_THREADS)
- static int growing = 0;
- if (growing++)
- abort();
-#endif
- 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
-#if defined(DEBUGGING) && !defined(USE_THREADS)
- growing--;
-#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)
-{
- PERL_SI *si;
- New(56, 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;
- New(56, si->si_cxstack, cxitems, PERL_CONTEXT);
- return si;
-}
-
-I32
-Perl_cxinc(pTHX)
-{
- cxstack_max = GROW(cxstack_max);
- Renew(cxstack, cxstack_max + 1, PERL_CONTEXT); /* XXX should fix CXINC macro */
- return cxstack_ix + 1;
-}
-
-void
-Perl_push_return(pTHX_ OP *retop)
-{
- if (PL_retstack_ix == PL_retstack_max) {
- PL_retstack_max = GROW(PL_retstack_max);
- Renew(PL_retstack, PL_retstack_max, OP*);
- }
- PL_retstack[PL_retstack_ix++] = retop;
-}
-
-OP *
-Perl_pop_return(pTHX)
-{
- if (PL_retstack_ix > 0)
- return PL_retstack[--PL_retstack_ix];
- else
- return Nullop;
-}
-
-void
-Perl_push_scope(pTHX)
-{
- if (PL_scopestack_ix == PL_scopestack_max) {
- PL_scopestack_max = GROW(PL_scopestack_max);
- Renew(PL_scopestack, PL_scopestack_max, I32);
- }
- PL_scopestack[PL_scopestack_ix++] = PL_savestack_ix;
-
-}
-
-void
-Perl_pop_scope(pTHX)
-{
- I32 oldsave = PL_scopestack[--PL_scopestack_ix];
- LEAVE_SCOPE(oldsave);
-}
-
-void
-Perl_markstack_grow(pTHX)
-{
- I32 oldmax = PL_markstack_max - PL_markstack;
- I32 newmax = GROW(oldmax);
-
- Renew(PL_markstack, newmax, I32);
- PL_markstack_ptr = PL_markstack + oldmax;
- PL_markstack_max = PL_markstack + newmax;
-}
-
-void
-Perl_savestack_grow(pTHX)
-{
- PL_savestack_max = GROW(PL_savestack_max) + 4;
- Renew(PL_savestack, PL_savestack_max, ANY);
-}
-
-#undef GROW
-
-void
-Perl_tmps_grow(pTHX_ I32 n)
-{
-#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
-Perl_free_tmps(pTHX)
-{
- /* XXX should tmps_floor live in cxstack? */
- I32 myfloor = PL_tmps_floor;
- while (PL_tmps_ix > myfloor) { /* clean up after last statement */
- SV* sv = PL_tmps_stack[PL_tmps_ix];
- PL_tmps_stack[PL_tmps_ix--] = Nullsv;
- if (sv) {
- SvTEMP_off(sv);
- SvREFCNT_dec(sv); /* note, can modify tmps_ix!!! */
- }
- }
-}
-
-STATIC SV *
-S_save_scalar_at(pTHX_ SV **sptr)
-{
- register SV *sv;
- SV *osv = *sptr;
-
- 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 = PL_tainted;
- mg_get(osv); /* note, can croak! */
- if (PL_tainting && PL_tainted && (mg = mg_find(osv, 't'))) {
- SAVESPTR(mg->mg_obj);
- mg->mg_obj = osv;
- }
- SvFLAGS(osv) |= (SvFLAGS(osv) &
- (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
- PL_tainted = oldtainted;
- }
- SvMAGIC(sv) = SvMAGIC(osv);
- SvFLAGS(sv) |= SvMAGICAL(osv);
- /* XXX SvMAGIC() is *shared* between osv and sv. This can
- * lead to coredumps when both SVs are destroyed without one
- * of their SvMAGIC() slots being NULLed. */
- PL_localizing = 1;
- SvSETMAGIC(sv);
- PL_localizing = 0;
- }
- return sv;
-}
-
-SV *
-Perl_save_scalar(pTHX_ GV *gv)
-{
- SV **sptr = &GvSV(gv);
- SSCHECK(3);
- SSPUSHPTR(SvREFCNT_inc(gv));
- SSPUSHPTR(SvREFCNT_inc(*sptr));
- SSPUSHINT(SAVEt_SV);
- return save_scalar_at(sptr);
-}
-
-SV*
-Perl_save_svref(pTHX_ SV **sptr)
-{
- SSCHECK(3);
- SSPUSHPTR(sptr);
- SSPUSHPTR(SvREFCNT_inc(*sptr));
- SSPUSHINT(SAVEt_SVREF);
- return save_scalar_at(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)
-{
- SSCHECK(3);
- SSPUSHPTR(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)
-{
- SSCHECK(3);
- SSPUSHPTR(str);
- SSPUSHPTR(*str);
- SSPUSHINT(SAVEt_GENERIC_PVREF);
-}
-
-void
-Perl_save_gp(pTHX_ GV *gv, I32 empty)
-{
- 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);
- SSPUSHPTR(SvREFCNT_inc(gv));
- SSPUSHPTR(GvGP(gv));
- SSPUSHINT(SAVEt_GP);
-
- if (empty) {
- register GP *gp;
-
- Newz(602, gp, 1, GP);
-
- 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_ref(gp);
- GvSV(gv) = NEWSV(72,0);
- GvLINE(gv) = CopLINE(PL_curcop);
- GvFILE(gv) = CopFILE(PL_curcop) ? CopFILE(PL_curcop) : "";
- GvEGV(gv) = gv;
- }
- else {
- gp_ref(GvGP(gv));
- GvINTRO_on(gv);
- }
-}
-
-AV *
-Perl_save_ary(pTHX_ GV *gv)
-{
- AV *oav = GvAVn(gv);
- AV *av;
-
- if (!AvREAL(oav) && AvREIFY(oav))
- av_reify(oav);
- SSCHECK(3);
- SSPUSHPTR(gv);
- SSPUSHPTR(oav);
- SSPUSHINT(SAVEt_AV);
-
- GvAV(gv) = Null(AV*);
- av = GvAVn(gv);
- if (SvMAGIC(oav)) {
- SvMAGIC(av) = SvMAGIC(oav);
- SvFLAGS((SV*)av) |= SvMAGICAL(oav);
- SvMAGICAL_off(oav);
- SvMAGIC(oav) = 0;
- PL_localizing = 1;
- SvSETMAGIC((SV*)av);
- PL_localizing = 0;
- }
- return av;
-}
-
-HV *
-Perl_save_hash(pTHX_ GV *gv)
-{
- HV *ohv, *hv;
-
- SSCHECK(3);
- SSPUSHPTR(gv);
- SSPUSHPTR(ohv = GvHVn(gv));
- SSPUSHINT(SAVEt_HV);
-
- GvHV(gv) = Null(HV*);
- hv = GvHVn(gv);
- if (SvMAGIC(ohv)) {
- SvMAGIC(hv) = SvMAGIC(ohv);
- SvFLAGS((SV*)hv) |= SvMAGICAL(ohv);
- SvMAGICAL_off(ohv);
- SvMAGIC(ohv) = 0;
- PL_localizing = 1;
- SvSETMAGIC((SV*)hv);
- PL_localizing = 0;
- }
- return hv;
-}
-
-void
-Perl_save_item(pTHX_ register SV *item)
-{
- register SV *sv = NEWSV(0,0);
-
- sv_setsv(sv,item);
- SSCHECK(3);
- SSPUSHPTR(item); /* remember the pointer */
- SSPUSHPTR(sv); /* remember the value */
- SSPUSHINT(SAVEt_ITEM);
-}
-
-void
-Perl_save_int(pTHX_ int *intp)
-{
- SSCHECK(3);
- SSPUSHINT(*intp);
- SSPUSHPTR(intp);
- SSPUSHINT(SAVEt_INT);
-}
-
-void
-Perl_save_long(pTHX_ long int *longp)
-{
- SSCHECK(3);
- SSPUSHLONG(*longp);
- SSPUSHPTR(longp);
- SSPUSHINT(SAVEt_LONG);
-}
-
-void
-Perl_save_I32(pTHX_ I32 *intp)
-{
- SSCHECK(3);
- SSPUSHINT(*intp);
- SSPUSHPTR(intp);
- SSPUSHINT(SAVEt_I32);
-}
-
-void
-Perl_save_I16(pTHX_ I16 *intp)
-{
- SSCHECK(3);
- SSPUSHINT(*intp);
- SSPUSHPTR(intp);
- SSPUSHINT(SAVEt_I16);
-}
-
-void
-Perl_save_I8(pTHX_ I8 *bytep)
-{
- SSCHECK(3);
- SSPUSHINT(*bytep);
- SSPUSHPTR(bytep);
- SSPUSHINT(SAVEt_I8);
-}
-
-void
-Perl_save_iv(pTHX_ IV *ivp)
-{
- 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
-Perl_save_pptr(pTHX_ char **pptr)
-{
- SSCHECK(3);
- SSPUSHPTR(*pptr);
- SSPUSHPTR(pptr);
- SSPUSHINT(SAVEt_PPTR);
-}
-
-void
-Perl_save_vptr(pTHX_ void *ptr)
-{
- SSCHECK(3);
- SSPUSHPTR(*(char**)ptr);
- SSPUSHPTR(ptr);
- SSPUSHINT(SAVEt_VPTR);
-}
-
-void
-Perl_save_sptr(pTHX_ SV **sptr)
-{
- SSCHECK(3);
- SSPUSHPTR(*sptr);
- SSPUSHPTR(sptr);
- SSPUSHINT(SAVEt_SPTR);
-}
-
-void
-Perl_save_padsv(pTHX_ PADOFFSET off)
-{
- SSCHECK(4);
- SSPUSHPTR(PL_curpad[off]);
- SSPUSHPTR(PL_curpad);
- SSPUSHLONG((long)off);
- SSPUSHINT(SAVEt_PADSV);
-}
-
-SV **
-Perl_save_threadsv(pTHX_ PADOFFSET i)
-{
-#ifdef USE_THREADS
- SV **svp = &THREADSV(i); /* XXX Change to save by offset */
- DEBUG_S(PerlIO_printf(Perl_debug_log, "save_threadsv %"UVuf": %p %p:%s\n",
- (UV)i, svp, *svp, SvPEEK(*svp)));
- save_svref(svp);
- return svp;
-#else
- Perl_croak(aTHX_ "panic: save_threadsv called in non-threaded perl");
- return 0;
-#endif /* USE_THREADS */
-}
-
-void
-Perl_save_nogv(pTHX_ GV *gv)
-{
- SSCHECK(2);
- SSPUSHPTR(gv);
- SSPUSHINT(SAVEt_NSTAB);
-}
-
-void
-Perl_save_hptr(pTHX_ HV **hptr)
-{
- SSCHECK(3);
- SSPUSHPTR(*hptr);
- SSPUSHPTR(hptr);
- SSPUSHINT(SAVEt_HPTR);
-}
-
-void
-Perl_save_aptr(pTHX_ AV **aptr)
-{
- SSCHECK(3);
- SSPUSHPTR(*aptr);
- SSPUSHPTR(aptr);
- SSPUSHINT(SAVEt_APTR);
-}
-
-void
-Perl_save_freesv(pTHX_ SV *sv)
-{
- SSCHECK(2);
- SSPUSHPTR(sv);
- SSPUSHINT(SAVEt_FREESV);
-}
-
-void
-Perl_save_mortalizesv(pTHX_ SV *sv)
-{
- SSCHECK(2);
- SSPUSHPTR(sv);
- SSPUSHINT(SAVEt_MORTALIZESV);
-}
-
-void
-Perl_save_freeop(pTHX_ OP *o)
-{
- SSCHECK(2);
- SSPUSHPTR(o);
- SSPUSHINT(SAVEt_FREEOP);
-}
-
-void
-Perl_save_freepv(pTHX_ char *pv)
-{
- SSCHECK(2);
- SSPUSHPTR(pv);
- SSPUSHINT(SAVEt_FREEPV);
-}
-
-void
-Perl_save_clearsv(pTHX_ SV **svp)
-{
- SSCHECK(2);
- SSPUSHLONG((long)(svp-PL_curpad));
- SSPUSHINT(SAVEt_CLEARSV);
-}
-
-void
-Perl_save_delete(pTHX_ HV *hv, char *key, I32 klen)
-{
- SSCHECK(4);
- SSPUSHINT(klen);
- SSPUSHPTR(key);
- SSPUSHPTR(SvREFCNT_inc(hv));
- SSPUSHINT(SAVEt_DELETE);
-}
-
-void
-Perl_save_list(pTHX_ register SV **sarg, I32 maxsarg)
-{
- register SV *sv;
- register I32 i;
-
- for (i = 1; i <= maxsarg; i++) {
- sv = NEWSV(0,0);
- sv_setsv(sv,sarg[i]);
- SSCHECK(3);
- SSPUSHPTR(sarg[i]); /* remember the pointer */
- SSPUSHPTR(sv); /* remember the value */
- SSPUSHINT(SAVEt_ITEM);
- }
-}
-
-void
-Perl_save_destructor(pTHX_ DESTRUCTORFUNC_NOCONTEXT_t f, void* p)
-{
- SSCHECK(3);
- SSPUSHDPTR(f);
- SSPUSHPTR(p);
- SSPUSHINT(SAVEt_DESTRUCTOR);
-}
-
-void
-Perl_save_destructor_x(pTHX_ DESTRUCTORFUNC_t f, void* p)
-{
- SSCHECK(3);
- SSPUSHDXPTR(f);
- SSPUSHPTR(p);
- SSPUSHINT(SAVEt_DESTRUCTOR_X);
-}
-
-void
-Perl_save_aelem(pTHX_ AV *av, I32 idx, SV **sptr)
-{
- SSCHECK(4);
- SSPUSHPTR(SvREFCNT_inc(av));
- SSPUSHINT(idx);
- SSPUSHPTR(SvREFCNT_inc(*sptr));
- SSPUSHINT(SAVEt_AELEM);
- save_scalar_at(sptr);
-}
-
-void
-Perl_save_helem(pTHX_ HV *hv, SV *key, SV **sptr)
-{
- SSCHECK(4);
- SSPUSHPTR(SvREFCNT_inc(hv));
- SSPUSHPTR(SvREFCNT_inc(key));
- SSPUSHPTR(SvREFCNT_inc(*sptr));
- SSPUSHINT(SAVEt_HELEM);
- save_scalar_at(sptr);
-}
-
-void
-Perl_save_op(pTHX)
-{
- SSCHECK(2);
- SSPUSHPTR(PL_op);
- SSPUSHINT(SAVEt_OP);
-}
-
-I32
-Perl_save_alloc(pTHX_ I32 size, I32 pad)
-{
- register I32 start = pad + ((char*)&PL_savestack[PL_savestack_ix]
- - (char*)PL_savestack);
- register I32 elems = 1 + ((size + pad - 1) / sizeof(*PL_savestack));
-
- /* SSCHECK may not be good enough */
- while (PL_savestack_ix + elems + 2 > PL_savestack_max)
- savestack_grow();
-
- PL_savestack_ix += elems;
- SSPUSHINT(elems);
- SSPUSHINT(SAVEt_ALLOC);
- return start;
-}
-
-void
-Perl_leave_scope(pTHX_ I32 base)
-{
- register SV *sv;
- register SV *value;
- register GV *gv;
- register AV *av;
- register HV *hv;
- register void* ptr;
- register char* str;
- I32 i;
-
- if (base < -1)
- 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);
- PL_localizing = 2;
- SvSETMAGIC(sv);
- PL_localizing = 0;
- break;
- case SAVEt_SV: /* scalar reference */
- value = (SV*)SSPOPPTR;
- gv = (GV*)SSPOPPTR;
- ptr = &GvSV(gv);
- SvREFCNT_dec(gv);
- goto restore_sv;
- case SAVEt_GENERIC_PVREF: /* generic pv */
- str = (char*)SSPOPPTR;
- ptr = SSPOPPTR;
- if (*(char**)ptr != str) {
- Safefree(*(char**)ptr);
- *(char**)ptr = str;
- }
- break;
- case SAVEt_GENERIC_SVREF: /* generic sv */
- value = (SV*)SSPOPPTR;
- ptr = SSPOPPTR;
- sv = *(SV**)ptr;
- *(SV**)ptr = value;
- SvREFCNT_dec(sv);
- SvREFCNT_dec(value);
- break;
- case SAVEt_SVREF: /* scalar reference */
- value = (SV*)SSPOPPTR;
- ptr = SSPOPPTR;
- restore_sv:
- sv = *(SV**)ptr;
- 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;
- }
- /* XXX This branch is pretty bogus. This code irretrievably
- * clears(!) the magic on the SV (either to avoid further
- * croaking that might ensue when the SvSETMAGIC() below is
- * called, or to avoid two different SVs pointing at the same
- * SvMAGIC()). This needs a total rethink. --GSAR */
- 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);
- /* XXX this is a leak when we get here because the
- * mg_get() in save_scalar_at() croaked */
- SvMAGIC(value) = 0;
- }
- SvREFCNT_dec(sv);
- *(SV**)ptr = value;
- PL_localizing = 2;
- SvSETMAGIC(value);
- PL_localizing = 0;
- 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((SV*)av) |= SvMAGICAL(goner);
- SvMAGICAL_off(goner);
- SvMAGIC(goner) = 0;
- SvREFCNT_dec(goner);
- }
- GvAV(gv) = av;
- if (SvMAGICAL(av)) {
- PL_localizing = 2;
- SvSETMAGIC((SV*)av);
- PL_localizing = 0;
- }
- break;
- case SAVEt_HV: /* hash reference */
- hv = (HV*)SSPOPPTR;
- gv = (GV*)SSPOPPTR;
- if (GvHV(gv)) {
- HV *goner = GvHV(gv);
- SvMAGIC(hv) = SvMAGIC(goner);
- SvFLAGS(hv) |= SvMAGICAL(goner);
- SvMAGICAL_off(goner);
- SvMAGIC(goner) = 0;
- SvREFCNT_dec(goner);
- }
- GvHV(gv) = hv;
- if (SvMAGICAL(hv)) {
- PL_localizing = 2;
- SvSETMAGIC((SV*)hv);
- PL_localizing = 0;
- }
- break;
- case SAVEt_INT: /* int reference */
- ptr = SSPOPPTR;
- *(int*)ptr = (int)SSPOPINT;
- break;
- case SAVEt_LONG: /* long reference */
- ptr = SSPOPPTR;
- *(long*)ptr = (long)SSPOPLONG;
- 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_I8: /* I8 reference */
- ptr = SSPOPPTR;
- *(I8*)ptr = (I8)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;
- break;
- case SAVEt_HPTR: /* HV* reference */
- ptr = SSPOPPTR;
- *(HV**)ptr = (HV*)SSPOPPTR;
- break;
- case SAVEt_APTR: /* AV* reference */
- 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;
- if (SvPVX(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;
- 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 (PL_comppad)
- PL_curpad = AvARRAY(PL_comppad);
- op_free((OP*)ptr);
- break;
- case SAVEt_FREEPV:
- ptr = SSPOPPTR;
- Safefree((char*)ptr);
- break;
- case SAVEt_CLEARSV:
- ptr = (void*)&PL_curpad[SSPOPLONG];
- sv = *(SV**)ptr;
- /* Can clear pad variable in place? */
- if (SvREFCNT(sv) <= 1 && !SvOBJECT(sv)) {
- if (SvTHINKFIRST(sv))
- sv_force_normal(sv);
- if (SvMAGICAL(sv))
- mg_free(sv);
-
- switch (SvTYPE(sv)) {
- case SVt_NULL:
- break;
- case SVt_PVAV:
- av_clear((AV*)sv);
- break;
- case SVt_PVHV:
- hv_clear((HV*)sv);
- break;
- case SVt_PVCV:
- Perl_croak(aTHX_ "panic: leave_scope pad code");
- case SVt_RV:
- case SVt_IV:
- case SVt_NV:
- (void)SvOK_off(sv);
- break;
- default:
- (void)SvOK_off(sv);
- (void)SvOOK_off(sv);
- break;
- }
- }
- else { /* Someone has a claim on this, so abandon it. */
- U32 padflags = SvFLAGS(sv) & (SVs_PADBUSY|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;
- }
- SvREFCNT_dec(sv); /* Cast current value to the winds. */
- SvFLAGS(*(SV**)ptr) |= padflags; /* preserve pad nature */
- }
- break;
- case SAVEt_DELETE:
- ptr = SSPOPPTR;
- hv = (HV*)ptr;
- ptr = SSPOPPTR;
- (void)hv_delete(hv, (char*)ptr, (U32)SSPOPINT, G_DISCARD);
- SvREFCNT_dec(hv);
- Safefree(ptr);
- break;
- case SAVEt_DESTRUCTOR:
- ptr = SSPOPPTR;
- (*SSPOPDPTR)(ptr);
- break;
- case SAVEt_DESTRUCTOR_X:
- ptr = SSPOPPTR;
- (*SSPOPDXPTR)(aTHXo_ 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_AELEM: /* array element */
- value = (SV*)SSPOPPTR;
- i = SSPOPINT;
- av = (AV*)SSPOPPTR;
- ptr = av_fetch(av,i,1);
- if (ptr) {
- sv = *(SV**)ptr;
- if (sv && sv != &PL_sv_undef) {
- if (SvTIED_mg((SV*)av, 'P'))
- (void)SvREFCNT_inc(sv);
- SvREFCNT_dec(av);
- 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) {
- SV *oval = HeVAL((HE*)ptr);
- if (oval && oval != &PL_sv_undef) {
- ptr = &HeVAL((HE*)ptr);
- if (SvTIED_mg((SV*)hv, 'P'))
- (void)SvREFCNT_inc(*(SV**)ptr);
- SvREFCNT_dec(hv);
- SvREFCNT_dec(sv);
- goto restore_sv;
- }
- }
- SvREFCNT_dec(hv);
- SvREFCNT_dec(sv);
- SvREFCNT_dec(value);
- break;
- case SAVEt_OP:
- PL_op = (OP*)SSPOPPTR;
- break;
- case SAVEt_HINTS:
- *(I32*)&PL_hints = (I32)SSPOPINT;
- break;
- case SAVEt_COMPPAD:
- PL_comppad = (AV*)SSPOPPTR;
- if (PL_comppad)
- PL_curpad = AvARRAY(PL_comppad);
- else
- PL_curpad = Null(SV**);
- break;
- case SAVEt_PADSV:
- {
- PADOFFSET off = (PADOFFSET)SSPOPLONG;
- ptr = SSPOPPTR;
- if (ptr)
- ((SV**)ptr)[off] = (SV*)SSPOPPTR;
- }
- break;
- default:
- Perl_croak(aTHX_ "panic: leave_scope inconsistency");
- }
- }
-}
-
-void
-Perl_cx_dump(pTHX_ PERL_CONTEXT *cx)
-{
-#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%"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%"UVxf"\n",
- PTR2UV(cx->blk_oldpm));
- PerlIO_printf(Perl_debug_log, "BLK_GIMME = %s\n", cx->blk_gimme ? "LIST" : "SCALAR");
- }
- 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);
- 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)cx->blk_sub.hasargs);
- PerlIO_printf(Perl_debug_log, "BLK_SUB.LVAL = %d\n",
- (int)cx->blk_sub.lval);
- 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",
- 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(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));
- break;
-
- case CXt_LOOP:
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.LABEL = %s\n",
- 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%"UVxf"\n",
- PTR2UV(cx->blk_loop.redo_op));
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.NEXT_OP = 0x%"UVxf"\n",
- PTR2UV(cx->blk_loop.next_op));
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.LAST_OP = 0x%"UVxf"\n",
- PTR2UV(cx->blk_loop.last_op));
- PerlIO_printf(Perl_debug_log, "BLK_LOOP.ITERIX = %ld\n",
- (long)cx->blk_loop.iterix);
- 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:
- 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)cx->sb_once);
- 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;
- }
-#endif /* DEBUGGING */
-}
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