parser - handle method call without parameters

Author: fglock

src/main/java/org/perlonjava/parser/SubroutineParser.java

@@ -65,7 +65,11 @@ static Node parseSubroutineCall(Parser parser) {
 
         // Handle the parameter list for the subroutine call
         ListNode arguments;
-        if (prototype == null) {
+        if (TokenUtils.peek(parser).text.equals("->")) {
+            // method call without parentheses
+            arguments = new ListNode(parser.tokenIndex);
+        }
+        else if (prototype == null) {
             // no prototype
             arguments = ListParser.parseZeroOrMoreList(parser, 0, false, true, false, false);
         } else if (prototype.isEmpty()) {