SourcePropertyInfo.cs

using System.Reflection;

namespace SourceGeneration.Reflection;

public class SourcePropertyInfo(Func<PropertyInfo> propertyInfoAccess) : SourceMemberInfo, ISourceFieldOrPropertyInfo
{
    private Func<object?, object?>? _getMethod;
    private Action<object?, object?>? _setMethod;

    private Func<object?, object?[]?, object?>? _getIndexerMethod;
    private Action<object?, object?, object?[]?>? _setIndexerMethod;

    private PropertyInfo? _propertyInfo;

    public PropertyInfo PropertyInfo => _propertyInfo ??= propertyInfoAccess();

    public SourceAccessibility Accessibility { get; init; }

#if NET5_0_OR_GREATER
    [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(ReflectionExtensions.DefaultAccessMembers)]
#endif
    public Type PropertyType { get; init; } = default!;

    public bool IsVirtual { get; init; }
    public bool IsRequired { get; init; }
    public bool IsAbstract { get; init; }
    public bool IsStatic { get; init; }
    public bool IsInitOnly { get; init; }
    public bool IsIndexer { get; init; }
    public bool IsGenericDictionaryType { get; init; }
    public bool IsGenericEnumerableType { get; init; }

    public SourceParameterInfo[] IndexerParameters { get; init; } = [];

    public SourceNullableAnnotation NullableAnnotation { get; init; }

    public bool CanWrite { get; init; }
    public bool CanRead { get; init; }

    public Func<object?, object?> GetValue
    {
        get => _getMethod ?? PropertyInfo.GetValue;
        init => _getMethod = value; 
    }

    public Action<object?, object?> SetValue
    {
        get => _setMethod ?? PropertyInfo.SetValue;
        init => _setMethod = value;
    }

    public Action<object?, object?, object?[]?> SetIndexerValue
    {
        get => _setIndexerMethod ?? PropertyInfo.SetValue;
        init => _setIndexerMethod = value;
    }

    public Func<object?, object?[]?, object?> GetIndexerValue
    {
        get => _getIndexerMethod ?? PropertyInfo.GetValue;
        init => _getIndexerMethod = value;
    }

#if NET5_0_OR_GREATER
    [System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembers(ReflectionExtensions.DefaultAccessMembers)]
#endif
    Type ISourceFieldOrPropertyInfo.MemberType => PropertyType;

    MemberInfo ISourceFieldOrPropertyInfo.MemberInfo => PropertyInfo;
}