+ case 102:
+#line 678 "perly.y"
+ { (yyval.opval) = (ps[(2) - (2)].val.opval); ;}
+ break;
+
+ case 103:
+#line 684 "perly.y"
+ {
+ OP *var = (ps[(2) - (3)].val.opval);
+ OP *defexpr = (ps[(3) - (3)].val.opval);
+
+ if (parser->sig_slurpy)
+ yyerror("Slurpy parameter not last");
+
+ parser->sig_elems++;
+
+ if (defexpr) {
+ parser->sig_optelems++;
+
+ if ( defexpr->op_type == OP_NULL
+ && !(defexpr->op_flags & OPf_KIDS))
+ {
+ /* handle '$=' special case */
+ if (var)
+ yyerror("Optional parameter "
+ "lacks default expression");
+ op_free(defexpr);
+ }
+ else {
+ /* a normal '=default' expression */
+ OP *defop = (OP*)alloc_LOGOP(OP_ARGDEFELEM,
+ defexpr,
+ LINKLIST(defexpr));
+ /* re-purpose op_targ to hold @_ index */
+ defop->op_targ =
+ (PADOFFSET)(parser->sig_elems - 1);
+
+ if (var) {
+ var->op_flags |= OPf_STACKED;
+ (void)op_sibling_splice(var,
+ NULL, 0, defop);
+ scalar(defop);
+ }
+ else
+ var = newUNOP(OP_NULL, 0, defop);
+
+ LINKLIST(var);
+ /* NB: normally the first child of a
+ * logop is executed before the logop,
+ * and it pushes a boolean result
+ * ready for the logop. For ARGDEFELEM,
+ * the op itself does the boolean
+ * calculation, so set the first op to
+ * it instead.
+ */
+ var->op_next = defop;
+ defexpr->op_next = var;
+ }
+ }
+ else {
+ if (parser->sig_optelems)
+ yyerror("Mandatory parameter "
+ "follows optional parameter");
+ }
+
+ (yyval.opval) = var ? newSTATEOP(0, NULL, var) : (OP*)NULL;
+ ;}
+ break;
+
+ case 104:
+#line 749 "perly.y"
+ { parser->in_my = KEY_sigvar; (yyval.opval) = (ps[(1) - (1)].val.opval); ;}
+ break;
+
+ case 105:
+#line 751 "perly.y"
+ { parser->in_my = KEY_sigvar; (yyval.opval) = (ps[(1) - (1)].val.opval); ;}
+ break;
+
+ case 106:
+#line 757 "perly.y"
+ { (yyval.opval) = (ps[(1) - (2)].val.opval); ;}
+ break;
+
+ case 107:
+#line 759 "perly.y"
+ {
+ (yyval.opval) = op_append_list(OP_LINESEQ, (ps[(1) - (3)].val.opval), (ps[(3) - (3)].val.opval));