#region license
// Copyright (c) 2004, Rodrigo B. de Oliveira (rbo@acm.org)
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
// 
//     * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//     * Neither the name of Rodrigo B. de Oliveira nor the names of its
//     contributors may be used to endorse or promote products derived from this
//     software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endregion

namespace Boo.Lang.Compiler.TypeSystem
{
	using Boo.Lang.Compiler.Ast;

	public class InternalField : IInternalEntity, IField
	{
		Field _field;
		object _staticValue;
		
		public InternalField(Field field)
		{
			_field = field;
		}
		
		public string Name
		{
			get
			{
				return _field.Name;
			}
		}
		
		public string FullName
		{
			get
			{
				return _field.DeclaringType.FullName + "." + _field.Name;
			}
		}
		
		public bool IsStatic
		{
			get
			{
				return _field.IsStatic;
			}
		}
		
		public bool IsPublic
		{
			get
			{
				return _field.IsPublic;
			}
		}
		
		public bool IsProtected
		{
			get
			{
				return _field.IsProtected;
			}
		}

		public bool IsPrivate
		{
			get
			{
				return _field.IsPrivate;
			}
		}

		public bool IsInternal
		{
			get
			{
				return _field.IsInternal;
			}
		}
		
		public EntityType EntityType
		{
			get
			{
				return EntityType.Field;
			}
		}
		
		public IType Type
		{
			get
			{
				return null != _field.Type 
					? TypeSystemServices.GetType(_field.Type)
					: Unknown.Default;
			}
		}
		
		public IType DeclaringType
		{
			get
			{
				return (IType)TypeSystemServices.GetEntity(_field.ParentNode);
			}
		}
		
		public bool IsLiteral
		{
			get
			{
				//return IsStatic && IsInitOnly && TypeSystemServices.IsPrimitiveTypeOrString(Type);
				return null != _staticValue;
			}
		}
		
		public bool IsInitOnly
		{
			get
			{
				return _field.IsFinal;
			}
		}
		
		public object StaticValue
		{
			get
			{
				return _staticValue;
			}
			
			set
			{
				_staticValue = value;
			}
		}
		
		public Node Node
		{
			get
			{
				return _field;
			}
		}
		
		public Field Field
		{
			get
			{
				return _field;
			}
		}
		
		override public string ToString()
		{
			return FullName;
		}

		public bool IsDuckTyped
		{
			get { return false; }
		}
	}
}
