// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
#nullable disable
 
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.Syntax;
 
namespace Microsoft.VisualStudio.LanguageServices.CSharp.CodeModel;
 
internal static class ParameterFlagsExtensions
{
    public static ParameterFlags GetParameterFlags(this ParameterSyntax parameter)
    {
        ParameterFlags result = 0;
 
        foreach (var modifier in parameter.Modifiers)
        {
            switch (modifier.Kind())
            {
                case SyntaxKind.RefKeyword:
                    result |= ParameterFlags.Ref;
                    break;
                case SyntaxKind.OutKeyword:
                    result |= ParameterFlags.Out;
                    break;
                case SyntaxKind.ParamsKeyword:
                    result |= ParameterFlags.Params;
                    break;
            }
        }
 
        return result;
    }
}