updates

src/test/java/parser/Demo.java

@@ -86,6 +86,7 @@ class Demo {
         AST tree = stupsParser.parse(lex.getAllTokens(), lex.getVocabulary());
 
         tree.postprocess(grammar);
+        System.out.println("After Postprocessing:" + tree);
 
         TypeChecker.validate(tree);
     }

src/test/resources/examplePrograms/General.stups

@@ -1,6 +1,8 @@
-class MyClass {
-
+class C {
     public static void main(String[] args) {
-        boolean x = false && true;
+        int a = 1;
+        int b = 1;
+
+        int c = (a + b) * 3 / (1 - 2);
     }
 }