C# (CSharp) Lox This示例

示例#1

文件： Resolver.cs 项目： mutuware/Lox

        public object VisitThisExpr(This expr)
        {
            if (currentClass == ClassType.NONE)
            {
                Program.Error(expr.Keyword, "Can't use 'this' outside of a class.");
                return(null);
            }

            ResolveLocal(expr, expr.Keyword);
            return(null);
        }

示例#2

文件： Interpreter.cs 项目： mutuware/Lox

 public object VisitThisExpr(This expr)
 {
     return(LookUpVariable(expr.Keyword, expr));
 }

示例#3

 public string VisitThisExpr(This expr)
 {
     return("this");
 }