//
// VariableDefinition.cs
//
// Author:
//   Jb Evain (jbevain@gmail.com)
//
// (C) 2005 Jb Evain
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

namespace Mono.Cecil.Cil {

	public sealed class VariableDefinition : IVariableDefinition {

		string m_name;
		int m_index;
		MethodDefinition m_method;
		TypeReference m_variable;

		public string Name {
			get { return m_name; }
			set { m_name = value; }
		}

		public int Index {
			get { return m_index; }
			set { m_index = value; }
		}

		public MethodDefinition Method {
			get { return m_method; }
			set { m_method = value; }
		}

		public TypeReference Variable {
			get { return m_variable; }
			set { m_variable = value; }
		}

		public VariableDefinition (TypeReference variable)
		{
			m_variable = variable;
		}

		public VariableDefinition (string name, int index, MethodDefinition method, TypeReference variable) :
			this (variable)
		{
			m_name = name;
			m_index = index;
			m_method = method;
		}

		public override string ToString ()
		{
			if (m_name != null && m_name.Length > 0)
				return m_name;

			return string.Concat ("V_", m_index);
		}

		public void Accept (ICodeVisitor visitor)
		{
			visitor.VisitVariableDefinition (this);
		}
	}
}
