Interesting syntax idea

Message-ID: <20001227050857.A11296@deep-dark-truthful-mirror.perlhacker.org>

Make opens + bareword assigns do typeglob assigns.

p4raw-id: //depot/perl@8254

diff --git a/op.c b/op.c
index 215b85c..28e7e98 100644 (file)
--- a/op.c
+++ b/op.c
@@ -1336,6 +1336,31 @@ Perl_mod(pTHX_ OP *o, I32 type)
        PL_modcount++;
        return o;
     case OP_CONST:
+        if (o->op_private & (OPpCONST_BARE) && 
+                !(type == OP_GREPSTART || type == OP_ENTERSUB || type == OP_REFGEN)) {
+            SV *sv = ((SVOP*)o)->op_sv;
+            GV *gv;
+
+            /* Could be a filehandle */
+            if (gv = gv_fetchpv(SvPV_nolen(sv), FALSE, SVt_PVIO)) {
+                OP* gvio = newUNOP(OP_RV2GV, 0, newGVOP(OP_GV, 0, gv));
+                op_free(o);
+                o = gvio;
+            } else {
+                /* OK, it's a sub */
+                OP* enter;
+                gv = gv_fetchpv(SvPV_nolen(sv), TRUE, SVt_PVCV);
+
+                enter = newUNOP(OP_ENTERSUB,0, 
+                        newUNOP(OP_RV2CV, 0, 
+                            newGVOP(OP_GV, 0, gv)
+                        ));
+                enter->op_private |= OPpLVAL_INTRO;
+                op_free(o);
+                o = enter;
+            }
+            break;
+        }
        if (!(o->op_private & (OPpCONST_ARYBASE)))
            goto nomod;
        if (PL_eval_start && PL_eval_start->op_type == OP_CONST) {