: CALL_FPTR(PL_check[type])(aTHX_ (OP*)o))
#define PAD_MAX 999999999
+#define RETURN_UNLIMITED_NUMBER (PERL_INT_MAX / 2)
STATIC char*
S_gv_ename(pTHX_ GV *gv)
}
else { /* lvalue subroutine call */
o->op_private |= OPpLVAL_INTRO;
+ PL_modcount = RETURN_UNLIMITED_NUMBER;
if (type == OP_GREPSTART || type == OP_ENTERSUB || type == OP_REFGEN) {
/* Backward compatibility mode: */
o->op_private |= OPpENTERSUB_INARGS;
if (!type && cUNOPo->op_first->op_type != OP_GV)
Perl_croak(aTHX_ "Can't localize through a reference");
if (type == OP_REFGEN && o->op_flags & OPf_PARENS) {
- PL_modcount = 10000;
+ PL_modcount = RETURN_UNLIMITED_NUMBER;
return o; /* Treat \(@foo) like ordinary list. */
}
/* FALL THROUGH */
goto nomod;
ref(cUNOPo->op_first, o->op_type);
/* FALL THROUGH */
- case OP_AASSIGN:
case OP_ASLICE:
case OP_HSLICE:
+ if (type == OP_LEAVESUBLV)
+ o->op_private |= OPpMAYBE_LVSUB;
+ /* FALL THROUGH */
+ case OP_AASSIGN:
case OP_NEXTSTATE:
case OP_DBSTATE:
case OP_REFGEN:
case OP_CHOMP:
- PL_modcount = 10000;
+ PL_modcount = RETURN_UNLIMITED_NUMBER;
break;
case OP_RV2SV:
if (!type && cUNOPo->op_first->op_type != OP_GV)
case OP_PADAV:
case OP_PADHV:
- PL_modcount = 10000;
+ PL_modcount = RETURN_UNLIMITED_NUMBER;
if (type == OP_REFGEN && o->op_flags & OPf_PARENS)
return o; /* Treat \(@foo) like ordinary list. */
if (scalar_mod_type(o, type))
goto nomod;
+ if (type == OP_LEAVESUBLV)
+ o->op_private |= OPpMAYBE_LVSUB;
/* FALL THROUGH */
case OP_PADSV:
PL_modcount++;
/* FALL THROUGH */
case OP_POS:
case OP_VEC:
+ if (type == OP_LEAVESUBLV)
+ o->op_private |= OPpMAYBE_LVSUB;
lvalue_func:
pad_free(o->op_targ);
o->op_targ = pad_alloc(o->op_type, SVs_PADMY);
if (type == OP_ENTERSUB &&
!(o->op_private & (OPpLVAL_INTRO | OPpDEREF)))
o->op_private |= OPpLVAL_DEFER;
+ if (type == OP_LEAVESUBLV)
+ o->op_private |= OPpMAYBE_LVSUB;
PL_modcount++;
break;
case OP_SCOPE:
case OP_LEAVE:
case OP_ENTER:
+ case OP_LINESEQ:
if (o->op_flags & OPf_KIDS)
mod(cLISTOPo->op_last, type);
break;
for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling)
mod(kid, type);
break;
+
+ case OP_RETURN:
+ if (type != OP_LEAVESUBLV)
+ goto nomod;
+ break; /* mod()ing was handled by ck_return() */
}
- o->op_flags |= OPf_MOD;
+ if (type != OP_LEAVESUBLV)
+ o->op_flags |= OPf_MOD;
if (type == OP_AASSIGN || type == OP_SASSIGN)
o->op_flags |= OPf_SPECIAL|OPf_REF;
o->op_flags &= ~OPf_SPECIAL;
PL_hints |= HINT_BLOCK_SCOPE;
}
- else if (type != OP_GREPSTART && type != OP_ENTERSUB)
+ else if (type != OP_GREPSTART && type != OP_ENTERSUB
+ && type != OP_LEAVESUBLV)
o->op_flags |= OPf_REF;
return o;
}
if (o->op_type != type)
return o;
- if (cLISTOPo->op_children < 7) {
- /* XXX do we really need to do this if we're done appending?? */
- for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling)
- last = kid;
- cLISTOPo->op_last = last; /* in case check substituted last arg */
- }
-
return fold_constants(o);
}
((LISTOP*)first)->op_first = last;
}
((LISTOP*)first)->op_last = last;
- ((LISTOP*)first)->op_children++;
return first;
}
first->op_last->op_sibling = last->op_first;
first->op_last = last->op_last;
- first->op_children += last->op_children;
- if (first->op_children)
- first->op_flags |= OPf_KIDS;
+ first->op_flags |= (last->op_flags & OPf_KIDS);
#ifdef PL_OP_SLAB_ALLOC
#else
first->op_sibling = ((LISTOP*)last)->op_first;
((LISTOP*)last)->op_first = first;
}
- ((LISTOP*)last)->op_children++;
+ last->op_flags |= OPf_KIDS;
return last;
}
listop->op_type = type;
listop->op_ppaddr = PL_ppaddr[type];
- listop->op_children = (first != 0) + (last != 0);
+ if (first || last)
+ flags |= OPf_KIDS;
listop->op_flags = flags;
if (!last && first)
if (!last)
listop->op_last = pushop;
}
- else if (listop->op_children)
- listop->op_flags |= OPf_KIDS;
return (OP*)listop;
}
}
}
else {
- if (PL_modcount < 10000 &&
+ if (PL_modcount < RETURN_UNLIMITED_NUMBER &&
((LISTOP*)right)->op_last->op_type == OP_CONST)
{
SV *sv = ((SVOP*)((LISTOP*)right)->op_last)->op_sv;
av_store(PL_comppad_name, AvFILLp(PL_comppad), Nullsv);
if (CvLVALUE(cv)) {
- CvROOT(cv) = newUNOP(OP_LEAVESUBLV, 0, scalarseq(block));
+ CvROOT(cv) = newUNOP(OP_LEAVESUBLV, 0,
+ mod(scalarseq(block), OP_LEAVESUBLV));
}
else {
CvROOT(cv) = newUNOP(OP_LEAVESUB, 0, scalarseq(block));
return ck_fun(o);
}
+OP *
+Perl_ck_return(pTHX_ OP *o)
+{
+ OP *kid;
+ if (CvLVALUE(PL_compcv)) {
+ for (kid = cLISTOPo->op_first->op_sibling; kid; kid = kid->op_sibling)
+ mod(kid, OP_LEAVESUBLV);
+ }
+ return o;
+}
+
#if 0
OP *
Perl_ck_retarget(pTHX_ OP *o)
kid = cLISTOPo->op_first->op_sibling;
cLISTOPo->op_first->op_sibling = kid->op_sibling; /* bypass old block */
op_free(kid); /* then delete it */
- cLISTOPo->op_children--;
}
OP *
{
register OP* oldop = 0;
STRLEN n_a;
- OP *last_composite = Nullop;
if (!o || o->op_seq)
return;
case OP_DBSTATE:
PL_curcop = ((COP*)o); /* for warnings */
o->op_seq = PL_op_seqmax++;
- last_composite = Nullop;
break;
case OP_CONST:
(PL_op = pop->op_next) &&
pop->op_next->op_type == OP_AELEM &&
!(pop->op_next->op_private &
- (OPpLVAL_INTRO|OPpLVAL_DEFER|OPpDEREF)) &&
+ (OPpLVAL_INTRO|OPpLVAL_DEFER|OPpDEREF|OPpMAYBE_LVSUB)) &&
(i = SvIV(((SVOP*)pop)->op_sv) - PL_compiling.cop_arybase)
<= 255 &&
i >= 0)
break;
}
- case OP_RV2AV:
- case OP_RV2HV:
- if (!(o->op_flags & OPf_WANT)
- || (o->op_flags & OPf_WANT) == OPf_WANT_LIST)
- {
- last_composite = o;
- }
- o->op_seq = PL_op_seqmax++;
- break;
-
- case OP_RETURN:
- if (o->op_next && o->op_next->op_type != OP_LEAVESUBLV) {
- o->op_seq = PL_op_seqmax++;
- break;
- }
- /* FALL THROUGH */
-
- case OP_LEAVESUBLV:
- if (last_composite) {
- OP *r = last_composite;
-
- while (r->op_sibling)
- r = r->op_sibling;
- if (r->op_next == o
- || (r->op_next->op_type == OP_LIST
- && r->op_next->op_next == o))
- {
- if (last_composite->op_type == OP_RV2AV)
- yyerror("Lvalue subs returning arrays not implemented yet");
- else
- yyerror("Lvalue subs returning hashes not implemented yet");
- ;
- }
- }
- /* FALL THROUGH */
-
default:
o->op_seq = PL_op_seqmax++;
break;
projects / p5sagit/p5-mst-13.2.git / blobdiff