- Program 
  - FieldDecl name=num type=int size=1
  - FieldDecl name=a type=int size=3
  - FieldDecl name=b type=int size=1
  - FieldDecl name=status type=boolean size=1
  - MethodDecl name=fun type=int params={b:int}
    - Block 
      - VarDecl name=c type=int
      - Assignment loc=c expr=(b*2)
      - Assignment loc=num expr=(c+(a*42))
      - Assignment loc=a[2] expr=b
      - Return 
        - Expr [loc]
          - Location name=a idxExpr=3
  - MethodDecl name=main type=void params={}
    - Block 
      - MethodCall name=fun
        - Expr [lit]
          - Literal type=int value=5
      - Return