Token.cs :  » Inversion-of-Control-Dependency-Injection » Spring.net » Spring » Expressions » Parser » antlr » C# / CSharp Open Source

using System;

namespace Spring.Expressions.Parser.antlr{
  /*ANTLR Translator Generator
  * Project led by Terence Parr at http://www.jGuru.com
  * Software rights: http://www.antlr.org/license.html
  *
  * $Id:$
  */

  //
  // ANTLR C# Code Generator by Micheal Jordan
  //                            Kunle Odutola       : kunle UNDERSCORE odutola AT hotmail DOT com
  //                            Anthony Oguntimehin
  //
  // With many thanks to Eric V. Smith from the ANTLR list.
  //

  /*A token is minimally a token type.  Subclasses can add the text matched
  *  for the token and line info. 
  */

  public class Token : IToken //, ICloneable
  {
    // constants
    public const int MIN_USER_TYPE = 4;
    public const int NULL_TREE_LOOKAHEAD = 3;
    public const int INVALID_TYPE = 0;
    public const int EOF_TYPE = 1;
    public static readonly int SKIP = - 1;
    
    // each Token has at least a token type
    protected int type_;
    
    // the illegal token object
    public static Token badToken = new Token(INVALID_TYPE, "<no text>");
    
    public Token()
    {
      type_ = INVALID_TYPE;
    }
    public Token(int t)
    {
      type_ = t;
    }
    public Token(int t, string txt)
    {
      type_ = t;
      setText(txt);
    }
    public virtual int getColumn()
    {
      return 0;
    }
    public virtual int getLine()
    {
      return 0;
    }
    public virtual string getFilename() 
    {
      return null;
    }

    public virtual void setFilename(string name) 
    {
    }

    public virtual string getText()
    {
      return "<no text>";
    }

    public int Type
    {
      get { return type_;  }
      set { type_ = value; }
    }

    public virtual void setType(int newType)  { this.Type = newType; }

    public virtual void  setColumn(int c)
    {
      ;
    }
    public virtual void  setLine(int l)
    {
      ;
    }
    public virtual void  setText(string t)
    {
      ;
    }
    override public string ToString()
    {
      return "[\"" + getText() + "\",<" + type_ + ">]";
    }
  }
}