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// Location.cs
// Author: Sergey Chaban (serge@wildwestsoftware.com)
using System;
namespace Mono.ILASM {
/// <summary>
/// </summary>
public class Location : ICloneable {
internal int line;
internal int column;
/// <summary>
/// </summary>
public static readonly Location Unknown = new Location (-1, -1);
/// <summary>
/// </summary>
public Location () {
line = 1;
column = 1;
}
/// <summary>
/// </summary>
/// <param name="line"></param>
/// <param name="column"></param>
public Location (int line, int column)
{
this.line = line;
this.column = column;
}
/// <summary>
/// </summary>
/// <param name="that"></param>
public Location (Location that)
{
this.line = that.line;
this.column = that.column;
}
/// <summary>
/// </summary>
public void NewLine ()
{
++line;
column = 1;
}
/// <summary>
/// </summary>
public void PreviousLine ()
{
--line;
column = 1;
}
/// <summary>
/// </summary>
public void NextColumn ()
{
++column;
}
/// <summary>
/// </summary>
public void PreviousColumn ()
{
--column;
}
/// <summary>
/// </summary>
/// <param name="other"></param>
public void CopyFrom (Location other)
{
this.line = other.line;
this.column = other.column;
}
/// <summary>
/// </summary>
/// <returns></returns>
public virtual object Clone () {
return new Location (this);
}
public override string ToString ()
{
return "line (" + line + ") column (" + column + ")";
}
}
}
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