virtual void visit(Block &);
virtual void visit(UnaryExpression &);
virtual void visit(BinaryExpression &);
virtual void visit(Block &);
virtual void visit(UnaryExpression &);
virtual void visit(BinaryExpression &);
virtual void visit(MemberAccess &);
virtual void visit(FunctionCall &);
virtual void visit(ExpressionStatement &);
virtual void visit(MemberAccess &);
virtual void visit(FunctionCall &);
virtual void visit(ExpressionStatement &);