DeclarationTable.cs

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// -------------------------------------------------------------------------- //
// Project rROTOR                                                             //
// -------------------------------------------------------------------------- //
// File: DeclarationTable.cs                                                  //
// Author: Cristina Gonzalez Muñoz  -  cristi.gm@gmail.com                    //
// Description:                                                               //
//    Implementation of a table of declarations.                              //
// -------------------------------------------------------------------------- //
// Create date: 31-01-2007                                                    //
// Modification date: 27-02-2007                                              //

using System;
using System.Collections.Generic;
using System.IO;
using System.Text;

using ErrorManagement;
using TypeSystem.Operations;
namespace TypeSystem
{
   class DeclarationTable
   {
      #region Fields

      private Dictionary<string, TypeExpression> table;

      #endregion

      #region DEBUG

      //private StreamWriter sw;
      
      //public void Close()
      //{
      //   sw.Close();
      //}

      #endregion

      #region Constructor

      public DeclarationTable()
      {
         this.table = new Dictionary<string, TypeExpression>();
         //sw = new StreamWriter("DeclarationTable"+name+".txt");
      }

      #endregion

    

      #region Reset()

      public void Reset() //string id
      {
         this.table.Clear();
         //this.sw.WriteLine("Close Scope: {0}", id);
      }

      #endregion

      #region AddDeclaration()

      public void AddDeclaration(string name, TypeExpression type, Location location)
      {
         if (!this.table.ContainsKey(name))
         {
            this.table.Add(name, type);
            //sw.WriteLine("\t{0}\t\t{1}:{2}", name, type.FullName, type.ToString());
         }
         else
            ErrorManager.Instance.NotifyError(new DeclarationFoundError(name, location));
      }

      #endregion

      #region SearchType()

      public TypeExpression SearchType(string name)
      {
         if (this.table.ContainsKey(name))
            return this.table[name];
         return null;
      }

      #endregion
   }
}