//
// Author:
//   Jb Evain (jbevain@gmail.com)
//
// Copyright (c) 2008 - 2015 Jb Evain
// Copyright (c) 2008 - 2011 Novell, Inc.
//
// Licensed under the MIT/X11 license.
//

using System;

namespace MonoFN.Cecil
{
    public abstract class ParameterReference : IMetadataTokenProvider
    {
        internal int index = -1;
        protected TypeReference parameter_type;
        internal MetadataToken token;
        public string Name { get; set; }
        public int Index
        {
            get { return index; }
        }
        public TypeReference ParameterType
        {
            get { return parameter_type; }
            set { parameter_type = value; }
        }
        public MetadataToken MetadataToken
        {
            get { return token; }
            set { token = value; }
        }

        internal ParameterReference(string name, TypeReference parameterType)
        {
            if (parameterType == null)
                throw new ArgumentNullException("parameterType");

            this.Name = name ?? string.Empty;
            parameter_type = parameterType;
        }

        public override string ToString()
        {
            return Name;
        }

        public abstract ParameterDefinition Resolve();
    }
}