RuntimeReflectionExtensions.cs

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using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
 
namespace System.Reflection;
 
public static class RuntimeReflectionExtensions
{
    public static IEnumerable<FieldInfo> GetRuntimeFields([DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicFields | DynamicallyAccessedMemberTypes.NonPublicFields)] this Type type)
    {
        if (type == null)
        {
            throw new ArgumentNullException("type");
        }
        return type.GetFields(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
    }
 
    public static IEnumerable<MethodInfo> GetRuntimeMethods([DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods | DynamicallyAccessedMemberTypes.NonPublicMethods)] this Type type)
    {
        if (type == null)
        {
            throw new ArgumentNullException("type");
        }
        return type.GetMethods(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
    }
 
    public static IEnumerable<PropertyInfo> GetRuntimeProperties([DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicProperties | DynamicallyAccessedMemberTypes.NonPublicProperties)] this Type type)
    {
        if (type == null)
        {
            throw new ArgumentNullException("type");
        }
        return type.GetProperties(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
    }
 
    public static IEnumerable<EventInfo> GetRuntimeEvents([DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicEvents | DynamicallyAccessedMemberTypes.NonPublicEvents)] this Type type)
    {
        if (type == null)
        {
            throw new ArgumentNullException("type");
        }
        return type.GetEvents(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
    }
 
    public static FieldInfo? GetRuntimeField([DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicFields)] this Type type, string name)
    {
        if (type == null)
        {
            throw new ArgumentNullException("type");
        }
        return type.GetField(name);
    }
 
    public static MethodInfo? GetRuntimeMethod([DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods)] this Type type, string name, Type[] parameters)
    {
        if (type == null)
        {
            throw new ArgumentNullException("type");
        }
        return type.GetMethod(name, parameters);
    }
 
    public static PropertyInfo? GetRuntimeProperty([DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicProperties)] this Type type, string name)
    {
        if (type == null)
        {
            throw new ArgumentNullException("type");
        }
        return type.GetProperty(name);
    }
 
    public static EventInfo? GetRuntimeEvent([DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicEvents)] this Type type, string name)
    {
        if (type == null)
        {
            throw new ArgumentNullException("type");
        }
        return type.GetEvent(name);
    }
 
    public static MethodInfo? GetRuntimeBaseDefinition(this MethodInfo method)
    {
        if (method == null)
        {
            throw new ArgumentNullException("method");
        }
        return method.GetBaseDefinition();
    }
 
    public static InterfaceMapping GetRuntimeInterfaceMap(this TypeInfo typeInfo, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods | DynamicallyAccessedMemberTypes.NonPublicMethods)] Type interfaceType)
    {
        if (typeInfo == null)
        {
            throw new ArgumentNullException("typeInfo");
        }
        return typeInfo.GetInterfaceMap(interfaceType);
    }
 
    public static MethodInfo GetMethodInfo(this Delegate del)
    {
        if ((object)del == null)
        {
            throw new ArgumentNullException("del");
        }
        return del.Method;
    }
}