preparing for ast gen

doc/target/test.bl

@@ -23,10 +23,12 @@ lib Tests
             if (error != empty)
             {
                 output(error.code + ' ' + error.message);
+                return true;
             }
             else
             {
                 output('continue');
+                return false;
             }
         }
     }

doc/target/test2.bl

@@ -1,7 +1,7 @@
 lib Tests {
     public class test2 {
-        string_a = string1();
-        public func continue() {
+        var string_a = string1();
+        public func continue(): void {
             input(string_a.string1 + ': ');
         }
     }