// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

using Mono.Cecil;

namespace Mono.Linker
{
    public static class CustomAttributeArgumentExtensions
    {
        public static bool IsEqualTo(this CustomAttributeArgument A, CustomAttributeArgument B)
        {
            var aVal = A.BaseValue();
            var bVal = B.BaseValue();
            if (aVal is CustomAttributeArgument[] aArray && bVal is CustomAttributeArgument[] bArray)
            {
                if (aArray.Length != bArray.Length)
                    return false;
                for (int i = 0; i < aArray.Length; i++)
                {
                    if (!aArray[i].IsEqualTo(bArray[i]))
                        return false;
                }
                return true;
            }
            return aVal.Equals(bVal);
        }
        static object BaseValue(this object value)
        {
            while (value is CustomAttributeArgument caa)
                value = caa.Value;
            return value;
        }
    }
}