/* ****************************************************************************

 *

 * Copyright (c) Microsoft Corporation. 

 *

 * This source code is subject to terms and conditions of the Apache License, Version 2.0. A 

 * copy of the license can be found in the License.html file at the root of this distribution. If 

 * you cannot locate the  Apache License, Version 2.0, please send an email to 

 * dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound 

 * by the terms of the Apache License, Version 2.0.

 *

 * You must not remove this notice, or any other, from this software.

 *

 *

 * ***************************************************************************/



using System;

using System.Dynamic;

using Microsoft.Scripting.Actions.Calls;



namespace Microsoft.Scripting.Actions {

    public class BoundMemberTracker : MemberTracker {

        private DynamicMetaObject _instance;

        private MemberTracker _tracker;

        private object _objInst;



        public BoundMemberTracker(MemberTracker tracker, DynamicMetaObject instance) {

            _tracker = tracker;

            _instance = instance;

        }



        public BoundMemberTracker(MemberTracker tracker, object instance) {

            _tracker = tracker;

            _objInst = instance;

        }



        public override TrackerTypes MemberType {

            get { return TrackerTypes.Bound; }

        }



        public override Type DeclaringType {

            get { return _tracker.DeclaringType; }

        }



        public override string Name {

            get { return _tracker.Name; }

        }



        public DynamicMetaObject Instance {

            get {

                return _instance;

            }

        }



        public object ObjectInstance {

            get {

                return _objInst;

            }

        }



        public MemberTracker BoundTo {

            get {

                return _tracker;

            }

        }



        public override DynamicMetaObject GetValue(OverloadResolverFactory resolverFactory, ActionBinder binder, Type type) {

            return _tracker.GetBoundValue(resolverFactory, binder, type, _instance);

        }



        public override ErrorInfo GetError(ActionBinder binder) {

            return _tracker.GetBoundError(binder, _instance);

        }



        public override DynamicMetaObject SetValue(OverloadResolverFactory resolverFactory, ActionBinder binder, Type type, DynamicMetaObject value) {

            return _tracker.SetBoundValue(resolverFactory, binder, type, value, _instance);

        }



        public override DynamicMetaObject SetValue(OverloadResolverFactory resolverFactory, ActionBinder binder, Type type, DynamicMetaObject value, DynamicMetaObject errorSuggestion) {

            return _tracker.SetBoundValue(resolverFactory, binder, type, value, _instance, errorSuggestion);

        }

    }

}