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alielie

2026-09-10 9ec80cafc23f5ee3278cacce3c9f86f4087b435a

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using System;
using System.Linq.Expressions;
using System.Reflection;
using DynamicExpresso.Exceptions;
 
namespace DynamicExpresso.Visitors
{
    public class DisableReflectionVisitor : ExpressionVisitor
    {
        protected override Expression VisitMethodCall(MethodCallExpression node)
        {
            if (node.Object != null
                && (typeof(Type).IsAssignableFrom(node.Object.Type)
                || typeof(MemberInfo).IsAssignableFrom(node.Object.Type)))
            {
                throw new ReflectionNotAllowedException();
            }
 
            return base.VisitMethodCall(node);
        }
 
        protected override Expression VisitMember(MemberExpression node)
        {
            if ((typeof(Type).IsAssignableFrom(node.Member.DeclaringType)
                || typeof(MemberInfo).IsAssignableFrom(node.Member.DeclaringType))
                && node.Member.Name != "Name")
            {
                throw new ReflectionNotAllowedException();
            }
 
            return base.VisitMember(node);
        }
    }
}