Exemple #1
0
        public object call(Interpreter interpreter, List <object> arguments)
        {
            Instance   instance    = new Instance(this);
            JingleFunc initializer = findMethod("init");

            if (initializer != null)
            {
                initializer.bind(instance).call(interpreter, arguments);
            }

            return(instance);
        }
Exemple #2
0
        public object get(Token name)
        {
            if (fields.ContainsKey(name.lexeme))
            {
                return(fields[name.lexeme]);
            }

            JingleFunc method = jnclass.findMethod(name.lexeme);

            if (method != null)
            {
                return(method.bind(this));
            }

            throw new RuntimeError(name, "Undefined property '" + name.lexeme + "'.");
        }
Exemple #3
0
        public object visitSuperExpr(Expr.Super expr)
        {
            int         distance   = locals[expr];
            JingleClass superclass = (JingleClass)environment.getAt(distance, "super");

            Instance object_ = (Instance)environment.getAt(distance - 1, "this");

            JingleFunc method = superclass.findMethod(expr.method.lexeme);

            if (method == null)
            {
                throw new RuntimeError(expr.method, "Undefined property '" + expr.method.lexeme + "'.");
            }

            return(method.bind(object_));
        }