/* #define PL_OP_SLAB_ALLOC */
-#ifdef PL_OP_SLAB_ALLOC
+#ifdef PL_OP_SLAB_ALLOC
#define SLAB_SIZE 8192
static char *PL_OpPtr = NULL;
static int PL_OpSpace = 0;
var = (type *) Slab_Alloc(m,c*sizeof(type)); \
} while (0)
-STATIC void *
+STATIC void *
S_Slab_Alloc(pTHX_ int m, size_t sz)
-{
+{
Newz(m,PL_OpPtr,SLAB_SIZE,char);
PL_OpSpace = SLAB_SIZE - sz;
return PL_OpPtr += PL_OpSpace;
}
-#else
+#else
#define NewOp(m, var, c, type) Newz(m, var, c, type)
#endif
/*
&& strEQ(name, SvPVX(sv)))
{
Perl_warner(aTHX_ WARN_MISC,
- "\"%s\" variable %s masks earlier declaration in same %s",
+ "\"%s\" variable %s masks earlier declaration in same %s",
(PL_in_my == KEY_our ? "our" : "my"),
name,
(SvIVX(sv) == PAD_MAX ? "scope" : "statement"));
do {
if ((sv = svp[off])
&& sv != &PL_sv_undef
+ && (SvIVX(sv) == PAD_MAX || SvIVX(sv) == 0)
&& ((SvFLAGS(sv) & SVpad_OUR) && GvSTASH(sv) == ourstash)
&& strEQ(name, SvPVX(sv)))
{
}
}
else if (!CvUNIQUE(PL_compcv)) {
- if (ckWARN(WARN_CLOSURE) && !SvFAKE(sv) && !CvUNIQUE(cv))
+ if (ckWARN(WARN_CLOSURE) && !SvFAKE(sv) && !CvUNIQUE(cv)
+ && !(SvFLAGS(sv) & SVpad_OUR))
+ {
Perl_warner(aTHX_ WARN_CLOSURE,
"Variable \"%s\" will not stay shared", name);
+ }
}
}
av_store(PL_comppad, newoff, SvREFCNT_inc(oldsv));
(sv = names[PL_padix]) && sv != &PL_sv_undef)
continue;
sv = *av_fetch(PL_comppad, PL_padix, TRUE);
- if (!(SvFLAGS(sv) & (SVs_PADTMP|SVs_PADMY)) && !IS_PADGV(sv))
+ if (!(SvFLAGS(sv) & (SVs_PADTMP|SVs_PADMY)) &&
+ !IS_PADGV(sv) && !IS_PADCONST(sv))
break;
}
retval = PL_padix;
break;
case ';':
sv_setpv(sv, "\034");
- sv_magic(sv, 0, 0, name, 1);
+ sv_magic(sv, 0, 0, name, 1);
break;
case '&':
case '`':
/* case '!': */
default:
- sv_magic(sv, 0, 0, name, 1);
+ sv_magic(sv, 0, 0, name, 1);
}
DEBUG_S(PerlIO_printf(Perl_error_log,
"find_threadsv: new SV %p for $%s%c\n",
cSVOPo->op_sv = Nullsv;
#endif
break;
+ case OP_METHOD_NAMED:
case OP_CONST:
SvREFCNT_dec(cSVOPo->op_sv);
cSVOPo->op_sv = Nullsv;
{
Safefree(cop->cop_label);
#ifdef USE_ITHREADS
- Safefree(CopFILE(cop)); /* XXXXX share in a pvtable? */
- Safefree(CopSTASHPV(cop)); /* XXXXX share in a pvtable? */
+ Safefree(CopFILE(cop)); /* XXX share in a pvtable? */
+ Safefree(CopSTASHPV(cop)); /* XXX share in a pvtable? */
#else
/* NOTE: COP.cop_stash is not refcounted */
SvREFCNT_dec(CopFILEGV(cop));
{
return scalar(o); /* As if inside SASSIGN */
}
-
+
o->op_flags = (o->op_flags & ~OPf_WANT) | OPf_WANT_VOID;
switch (o->op_type) {
case OP_DBSTATE:
case OP_ENTERTRY:
case OP_ENTER:
- case OP_SCALAR:
if (!(o->op_flags & OPf_KIDS))
break;
/* FALL THROUGH */
case OP_REQUIRE:
/* all requires must return a boolean value */
o->op_flags &= ~OPf_WANT;
+ /* FALL THROUGH */
+ case OP_SCALAR:
return scalar(o);
case OP_SPLIT:
if ((kid = cLISTOPo->op_first) && kid->op_type == OP_PUSHRE) {
{
return o; /* As if inside SASSIGN */
}
-
+
o->op_flags = (o->op_flags & ~OPf_WANT) | OPf_WANT_LIST;
switch (o->op_type) {
{
return o;
}
-
+
switch (o->op_type) {
case OP_UNDEF:
PL_modcount++;
newop->op_private |= OPpLVAL_INTRO;
break;
}
-
+
if (kid->op_type != OP_RV2CV)
Perl_croak(aTHX_
"panic: unexpected lvalue entersub "
}
cv = GvCV(kGVOP_gv);
- if (!cv)
+ if (!cv)
goto restore_2cv;
if (CvLVALUE(cv))
break;
o->op_flags |= OPf_MOD;
}
break;
-
+
case OP_THREADSV:
o->op_flags |= OPf_MOD; /* XXX ??? */
break;
LEAVE;
}
+void
+Perl_apply_attrs_string(pTHX_ char *stashpv, CV *cv,
+ char *attrstr, STRLEN len)
+{
+ OP *attrs = Nullop;
+
+ if (!len) {
+ len = strlen(attrstr);
+ }
+
+ while (len) {
+ for (; isSPACE(*attrstr) && len; --len, ++attrstr) ;
+ if (len) {
+ char *sstr = attrstr;
+ for (; !isSPACE(*attrstr) && len; --len, ++attrstr) ;
+ attrs = append_elem(OP_LIST, attrs,
+ newSVOP(OP_CONST, 0,
+ newSVpvn(sstr, attrstr-sstr)));
+ }
+ }
+
+ Perl_load_module(aTHX_ PERL_LOADMOD_IMPORT_OPS,
+ newSVpvn(ATTRSMODULE, sizeof(ATTRSMODULE)-1),
+ Nullsv, prepend_elem(OP_LIST,
+ newSVOP(OP_CONST, 0, newSVpv(stashpv,0)),
+ prepend_elem(OP_LIST,
+ newSVOP(OP_CONST, 0,
+ newRV((SV*)cv)),
+ attrs)));
+}
+
STATIC OP *
S_my_kid(pTHX_ OP *o, OP *attrs)
{
left->op_type == OP_PADAV)
? "@array" : "%hash");
Perl_warner(aTHX_ WARN_MISC,
- "Applying %s to %s will act on scalar(%s)",
+ "Applying %s to %s will act on scalar(%s)",
desc, sample, sample);
}
- if (right->op_type == OP_MATCH ||
+ if (!(right->op_flags & OPf_STACKED) &&
+ (right->op_type == OP_MATCH ||
right->op_type == OP_SUBST ||
- right->op_type == OP_TRANS) {
+ right->op_type == OP_TRANS)) {
right->op_flags |= OPf_STACKED;
- if (right->op_type != OP_MATCH)
+ if (right->op_type != OP_MATCH &&
+ ! (right->op_type == OP_TRANS &&
+ right->op_private & OPpTRANS_IDENTICAL))
left = mod(left, right->op_type);
if (right->op_type == OP_TRANS)
o = newBINOP(OP_NULL, OPf_STACKED, scalar(left), right);
PL_pad_reset_pending = FALSE;
SAVEHINTS();
PL_hints &= ~HINT_BLOCK_SCOPE;
- SAVESPTR(PL_compiling.cop_warnings);
+ SAVESPTR(PL_compiling.cop_warnings);
if (! specialWARN(PL_compiling.cop_warnings)) {
PL_compiling.cop_warnings = newSVsv(PL_compiling.cop_warnings) ;
SAVEFREESV(PL_compiling.cop_warnings) ;
first->op_children += last->op_children;
if (first->op_children)
first->op_flags |= OPf_KIDS;
-
+
#ifdef PL_OP_SLAB_ALLOC
#else
- Safefree(last);
+ Safefree(last);
#endif
return (OP*)first;
}
del = o->op_private & OPpTRANS_DELETE;
squash = o->op_private & OPpTRANS_SQUASH;
+ if (SvUTF8(tstr))
+ o->op_private |= OPpTRANS_FROM_UTF;
+
+ if (SvUTF8(rstr))
+ o->op_private |= OPpTRANS_TO_UTF;
+
if (o->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)) {
SV* listsv = newSVpvn("# comment\n",10);
SV* transv = 0;
r = t; rlen = tlen; rend = tend;
}
if (!squash) {
- if (to_utf && from_utf) { /* only counting characters */
- if (t == r || (tlen == rlen && memEQ(t, r, tlen)))
- o->op_private |= OPpTRANS_IDENTICAL;
- }
- else { /* straight latin-1 translation */
- if (tlen == 4 && memEQ(t, "\0\377\303\277", 4) &&
- rlen == 4 && memEQ(r, "\0\377\303\277", 4))
+ if (t == r ||
+ (tlen == rlen && memEQ((char *)t, (char *)r, tlen)))
+ {
o->op_private |= OPpTRANS_IDENTICAL;
- }
+ }
}
while (t < tend || tfirst <= tlast) {
if (PL_hints & HINT_UTF8)
pm->op_pmdynflags |= PMdf_UTF8;
if (pm->op_pmflags & PMf_KEEP || !(PL_hints & HINT_RE_EVAL))
- expr = newUNOP((!(PL_hints & HINT_RE_EVAL)
+ expr = newUNOP((!(PL_hints & HINT_RE_EVAL)
? OP_REGCRESET
: OP_REGCMAYBE),0,expr);
rcop->op_type = OP_REGCOMP;
rcop->op_ppaddr = PL_ppaddr[OP_REGCOMP];
rcop->op_first = scalar(expr);
- rcop->op_flags |= ((PL_hints & HINT_RE_EVAL)
+ rcop->op_flags |= ((PL_hints & HINT_RE_EVAL)
? (OPf_SPECIAL | OPf_KIDS)
: OPf_KIDS);
rcop->op_private = 1;
}
}
if (curop == repl
- && !(repl_has_vars
- && (!pm->op_pmregexp
+ && !(repl_has_vars
+ && (!pm->op_pmregexp
|| pm->op_pmregexp->reganch & ROPT_EVAL_SEEN))) {
pm->op_pmflags |= PMf_CONST; /* const for long enough */
pm->op_pmpermflags |= PMf_CONST; /* const for long enough */
sv = va_arg(*args, SV*);
}
}
- utilize(!(flags & PERL_LOADMOD_DENY), start_subparse(FALSE, 0),
- veop, modname, imop);
+ {
+ line_t ocopline = PL_copline;
+ int oexpect = PL_expect;
+
+ utilize(!(flags & PERL_LOADMOD_DENY), start_subparse(FALSE, 0),
+ veop, modname, imop);
+ PL_expect = oexpect;
+ PL_copline = ocopline;
+ }
}
OP *
}
else if (curop->op_type == OP_PUSHRE) {
if (((PMOP*)curop)->op_pmreplroot) {
+#ifdef USE_ITHREADS
+ GV *gv = (GV*)PL_curpad[(PADOFFSET)((PMOP*)curop)->op_pmreplroot];
+#else
GV *gv = (GV*)((PMOP*)curop)->op_pmreplroot;
+#endif
if (gv == PL_defgv || SvCUR(gv) == PL_generation)
break;
SvCUR(gv) = PL_generation;
cop->cop_arybase = PL_curcop->cop_arybase;
if (specialWARN(PL_curcop->cop_warnings))
cop->cop_warnings = PL_curcop->cop_warnings ;
- else
+ else
cop->cop_warnings = newSVsv(PL_curcop->cop_warnings) ;
PL_copline = NOLINE;
}
#ifdef USE_ITHREADS
- CopFILE_set(cop, CopFILE(PL_curcop)); /* XXXXX share in a pvtable? */
+ CopFILE_set(cop, CopFILE(PL_curcop)); /* XXX share in a pvtable? */
#else
- CopFILEGV_set(cop, (GV*)SvREFCNT_inc(CopFILEGV(PL_curcop)));
+ CopFILEGV_set(cop, CopFILEGV(PL_curcop));
#endif
CopSTASH_set(cop, PL_curstash);
}
if (first->op_type == OP_CONST) {
if (ckWARN(WARN_BAREWORD) && (first->op_private & OPpCONST_BARE))
- Perl_warner(aTHX_ WARN_BAREWORD, "Bareword found in conditional");
+ Perl_warner(aTHX_ WARN_BAREWORD, "Bareword found in conditional");
if ((type == OP_AND) == (SvTRUE(((SVOP*)first)->op_sv))) {
op_free(first);
*firstp = Nullop;
case OP_NULL:
if (k2 && k2->op_type == OP_READLINE
&& (k2->op_flags & OPf_STACKED)
- && ((k1->op_flags & OPf_WANT) == OPf_WANT_SCALAR))
+ && ((k1->op_flags & OPf_WANT) == OPf_WANT_SCALAR))
{
warnop = k2->op_type;
}
OP *k1 = ((UNOP*)expr)->op_first;
OP *k2 = (k1) ? k1->op_sibling : NULL;
switch (expr->op_type) {
- case OP_NULL:
+ case OP_NULL:
if (k2 && k2->op_type == OP_READLINE
&& (k2->op_flags & OPf_STACKED)
- && ((k1->op_flags & OPf_WANT) == OPf_WANT_SCALAR))
+ && ((k1->op_flags & OPf_WANT) == OPf_WANT_SCALAR))
expr = newUNOP(OP_DEFINED, 0, expr);
- break;
+ break;
case OP_SASSIGN:
if (k1->op_type == OP_READDIR
OP *k1 = ((UNOP*)expr)->op_first;
OP *k2 = (k1) ? k1->op_sibling : NULL;
switch (expr->op_type) {
- case OP_NULL:
+ case OP_NULL:
if (k2 && k2->op_type == OP_READLINE
&& (k2->op_flags & OPf_STACKED)
- && ((k1->op_flags & OPf_WANT) == OPf_WANT_SCALAR))
+ && ((k1->op_flags & OPf_WANT) == OPf_WANT_SCALAR))
expr = newUNOP(OP_DEFINED, 0, expr);
- break;
+ break;
case OP_SASSIGN:
if (k1->op_type == OP_READDIR
}
#else
Renew(loop, 1, LOOP);
-#endif
+#endif
loop->op_targ = padoff;
wop = newWHILEOP(flags, 1, loop, forline, newOP(OP_ITER, 0), block, cont);
PL_copline = forline;
if (!o)
return Nullsv;
-
- if (o->op_type == OP_LINESEQ && cLISTOPo->op_first)
+
+ if (o->op_type == OP_LINESEQ && cLISTOPo->op_first)
o = cLISTOPo->op_first->op_sibling;
for (; o; o = o->op_next) {
OPCODE type = o->op_type;
- if (sv && o->op_next == o)
+ if (sv && o->op_next == o)
return sv;
if (type == OP_NEXTSTATE || type == OP_NULL || type == OP_PUSHMARK)
continue;
if (!name || GvCVGEN(gv))
cv = Nullcv;
else if ((cv = GvCV(gv))) {
- cv_ckproto(cv, gv, ps);
+ bool exists = CvROOT(cv) || CvXSUB(cv);
+ /* if the subroutine doesn't exist and wasn't pre-declared
+ * with a prototype, assume it will be AUTOLOADed,
+ * skipping the prototype check
+ */
+ if (exists || SvPOK(cv))
+ cv_ckproto(cv, gv, ps);
/* already defined (or promised)? */
- if (CvROOT(cv) || CvXSUB(cv) || GvASSUMECV(gv)) {
+ if (exists || GvASSUMECV(gv)) {
SV* const_sv;
bool const_changed = TRUE;
if (!block && !attrs) {
goto withattrs;
if ((const_sv = cv_const_sv(cv)))
const_changed = sv_cmp(const_sv, op_const_sv(block, Nullcv));
- if ((const_sv || const_changed) && ckWARN(WARN_REDEFINE))
+ if ((const_sv && const_changed) || ckWARN(WARN_REDEFINE))
{
line_t oldline = CopLINE(PL_curcop);
CopLINE_set(PL_curcop, PL_copline);
if (!PL_beginav)
PL_beginav = newAV();
DEBUG_x( dump_sub(gv) );
- av_push(PL_beginav, SvREFCNT_inc(cv));
- GvCV(gv) = 0;
+ av_push(PL_beginav, (SV*)cv);
+ GvCV(gv) = 0; /* cv has been hijacked */
call_list(oldscope, PL_beginav);
PL_curcop = &PL_compiling;
PL_endav = newAV();
DEBUG_x( dump_sub(gv) );
av_unshift(PL_endav, 1);
- av_store(PL_endav, 0, SvREFCNT_inc(cv));
- GvCV(gv) = 0;
+ av_store(PL_endav, 0, (SV*)cv);
+ GvCV(gv) = 0; /* cv has been hijacked */
}
else if (strEQ(s, "CHECK") && !PL_error_count) {
if (!PL_checkav)
if (PL_main_start && ckWARN(WARN_VOID))
Perl_warner(aTHX_ WARN_VOID, "Too late to run CHECK block");
av_unshift(PL_checkav, 1);
- av_store(PL_checkav, 0, SvREFCNT_inc(cv));
- GvCV(gv) = 0;
+ av_store(PL_checkav, 0, (SV*)cv);
+ GvCV(gv) = 0; /* cv has been hijacked */
}
else if (strEQ(s, "INIT") && !PL_error_count) {
if (!PL_initav)
DEBUG_x( dump_sub(gv) );
if (PL_main_start && ckWARN(WARN_VOID))
Perl_warner(aTHX_ WARN_VOID, "Too late to run INIT block");
- av_push(PL_initav, SvREFCNT_inc(cv));
- GvCV(gv) = 0;
+ av_push(PL_initav, (SV*)cv);
+ GvCV(gv) = 0; /* cv has been hijacked */
}
}
dTHR;
ENTER;
- SAVECOPLINE(PL_curcop);
- SAVEHINTS();
+ SAVECOPLINE(PL_curcop);
CopLINE_set(PL_curcop, PL_copline);
+
+ SAVEHINTS();
PL_hints &= ~HINT_BLOCK_SCOPE;
if (stash) {
if (strEQ(s, "BEGIN")) {
if (!PL_beginav)
PL_beginav = newAV();
- av_push(PL_beginav, SvREFCNT_inc(cv));
- GvCV(gv) = 0;
+ av_push(PL_beginav, (SV*)cv);
+ GvCV(gv) = 0; /* cv has been hijacked */
}
else if (strEQ(s, "END")) {
if (!PL_endav)
PL_endav = newAV();
av_unshift(PL_endav, 1);
- av_store(PL_endav, 0, SvREFCNT_inc(cv));
- GvCV(gv) = 0;
+ av_store(PL_endav, 0, (SV*)cv);
+ GvCV(gv) = 0; /* cv has been hijacked */
}
else if (strEQ(s, "CHECK")) {
if (!PL_checkav)
if (PL_main_start && ckWARN(WARN_VOID))
Perl_warner(aTHX_ WARN_VOID, "Too late to run CHECK block");
av_unshift(PL_checkav, 1);
- av_store(PL_checkav, 0, SvREFCNT_inc(cv));
- GvCV(gv) = 0;
+ av_store(PL_checkav, 0, (SV*)cv);
+ GvCV(gv) = 0; /* cv has been hijacked */
}
else if (strEQ(s, "INIT")) {
if (!PL_initav)
PL_initav = newAV();
if (PL_main_start && ckWARN(WARN_VOID))
Perl_warner(aTHX_ WARN_VOID, "Too late to run INIT block");
- av_push(PL_initav, SvREFCNT_inc(cv));
- GvCV(gv) = 0;
+ av_push(PL_initav, (SV*)cv);
+ GvCV(gv) = 0; /* cv has been hijacked */
}
}
else
Perl_oopsHV(pTHX_ OP *o)
{
dTHR;
-
+
switch (o->op_type) {
case OP_PADSV:
case OP_PADAV:
break;
}
if (badthing)
- Perl_croak(aTHX_
+ Perl_croak(aTHX_
"Can't use bareword (\"%s\") as %s ref while \"strict refs\" in use",
name, badthing);
}
#ifdef USE_ITHREADS
/* XXX hack: dependence on sizeof(PADOP) <= sizeof(SVOP) */
kPADOP->op_padix = pad_alloc(OP_GV, SVs_PADTMP);
+ SvREFCNT_dec(PL_curpad[kPADOP->op_padix]);
GvIN_PAD_on(gv);
PL_curpad[kPADOP->op_padix] = SvREFCNT_inc(gv);
#else
if ((o->op_flags & OPf_KIDS) && ckWARN(WARN_DEPRECATED)) {
switch (cUNOPo->op_first->op_type) {
case OP_RV2AV:
- break; /* Globals via GV can be undef */
+ /* This is needed for
+ if (defined %stash::)
+ to work. Do not break Tk.
+ */
+ break; /* Globals via GV can be undef */
case OP_PADAV:
case OP_AASSIGN: /* Is this a good idea? */
Perl_warner(aTHX_ WARN_DEPRECATED,
"\t(Maybe you should just omit the defined()?)\n");
break;
case OP_RV2HV:
- break; /* Globals via GV can be undef */
+ /* This is needed for
+ if (defined %stash::)
+ to work. Do not break Tk.
+ */
+ break; /* Globals via GV can be undef */
case OP_PADHV:
Perl_warner(aTHX_ WARN_DEPRECATED,
"defined(%%hash) is deprecated");
SV* sv = kSVOP->op_sv;
if (!(strchr(SvPVX(sv), ':') || strchr(SvPVX(sv), '\''))) {
OP *cmop;
- (void)SvUPGRADE(sv, SVt_PVIV);
- (void)SvIOK_on(sv);
- PERL_HASH(SvUVX(sv), SvPVX(sv), SvCUR(sv));
+ if (!SvREADONLY(sv) || !SvFAKE(sv)) {
+ sv = newSVpvn_share(SvPVX(sv), SvCUR(sv), 0);
+ }
+ else {
+ kSVOP->op_sv = Nullsv;
+ }
cmop = newSVOP(OP_METHOD_NAMED, 0, sv);
- kSVOP->op_sv = Nullsv;
op_free(o);
return cmop;
}
GV *gv;
if (!(o->op_flags & OPf_STACKED))
return;
- GvMULTI_on(gv_fetchpv("a", TRUE, SVt_PV));
- GvMULTI_on(gv_fetchpv("b", TRUE, SVt_PV));
+ GvMULTI_on(gv_fetchpv("a", TRUE, SVt_PV));
+ GvMULTI_on(gv_fetchpv("b", TRUE, SVt_PV));
kid = kUNOP->op_first; /* get past null */
if (kid->op_type != OP_SCOPE)
return;
cLISTOPo->op_last = kid; /* There was only one element previously */
}
- if (kid->op_type != OP_MATCH) {
+ if (kid->op_type != OP_MATCH || kid->op_flags & OPf_STACKED) {
OP *sibl = kid->op_sibling;
kid->op_sibling = 0;
kid = pmruntime( newPMOP(OP_MATCH, OPf_SPECIAL), kid, Nullop);
}
OP *
-Perl_ck_join(pTHX_ OP *o)
+Perl_ck_join(pTHX_ OP *o)
{
if (ckWARN(WARN_SYNTAX)) {
OP *kid = cLISTOPo->op_first->op_sibling;
* for reference counts, sv_upgrade() etc. */
if (cSVOP->op_sv) {
PADOFFSET ix = pad_alloc(OP_CONST, SVs_PADTMP);
- SvREFCNT_dec(PL_curpad[ix]);
- SvPADTMP_on(cSVOPo->op_sv);
- PL_curpad[ix] = cSVOPo->op_sv;
+ if (SvPADTMP(cSVOPo->op_sv)) {
+ /* If op_sv is already a PADTMP then it is being used by
+ * another pad, so make a copy. */
+ sv_setsv(PL_curpad[ix],cSVOPo->op_sv);
+ SvREADONLY_on(PL_curpad[ix]);
+ SvREFCNT_dec(cSVOPo->op_sv);
+ }
+ else {
+ SvREFCNT_dec(PL_curpad[ix]);
+ SvPADTMP_on(cSVOPo->op_sv);
+ PL_curpad[ix] = cSVOPo->op_sv;
+ }
cSVOPo->op_sv = Nullsv;
o->op_targ = ix;
}
case OP_EXEC:
o->op_seq = PL_op_seqmax++;
- if (ckWARN(WARN_SYNTAX) && o->op_next
+ if (ckWARN(WARN_SYNTAX) && o->op_next
&& o->op_next->op_type == OP_NEXTSTATE) {
if (o->op_next->op_sibling &&
o->op_next->op_sibling->op_type != OP_EXIT &&
GV **fields;
SV **svp, **indsvp, *sv;
I32 ind;
- char *key;
+ char *key = NULL;
STRLEN keylen;
o->op_seq = PL_op_seqmax++;
- if ((o->op_private & (OPpLVAL_INTRO))
- || ((BINOP*)o)->op_last->op_type != OP_CONST)
+
+ if (((BINOP*)o)->op_last->op_type != OP_CONST)
break;
+
+ /* Make the CONST have a shared SV */
+ svp = cSVOPx_svp(((BINOP*)o)->op_last);
+ if ((!SvFAKE(sv = *svp) || !SvREADONLY(sv)) && !IS_PADCONST(sv)) {
+ key = SvPV(sv, keylen);
+ lexname = newSVpvn_share(key, keylen, 0);
+ SvREFCNT_dec(sv);
+ *svp = lexname;
+ }
+
+ if ((o->op_private & (OPpLVAL_INTRO)))
+ break;
+
rop = (UNOP*)((BINOP*)o)->op_first;
if (rop->op_type != OP_RV2HV || rop->op_first->op_type != OP_PADSV)
break;
fields = (GV**)hv_fetch(SvSTASH(lexname), "FIELDS", 6, FALSE);
if (!fields || !GvHV(*fields))
break;
- svp = cSVOPx_svp(((BINOP*)o)->op_last);
key = SvPV(*svp, keylen);
indsvp = hv_fetch(GvHV(*fields), key, keylen, FALSE);
if (!indsvp) {
while (r->op_sibling)
r = r->op_sibling;
- if (r->op_next == o
+ if (r->op_next == o
|| (r->op_next->op_type == OP_LIST
&& r->op_next->op_next == o))
{