source: branches/2817-BinPackingSpeedup/HeuristicLab.ExtLibs/HeuristicLab.NRefactory/5.5.0/NRefactory.CSharp-5.5.0/Ast/Statements/GotoStatement.cs

// 
// GotoStatement.cs
//
// Author:
//       Mike Krüger <mkrueger@novell.com>
// 
// Copyright (c) 2009 Novell, Inc (http://www.novell.com)
// 
// 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 ICSharpCode.NRefactory.CSharp
{
  /// <summary>
  /// "goto Label;"
  /// </summary>
  public class GotoStatement : Statement
  {
    public static readonly TokenRole GotoKeywordRole = new TokenRole ("goto");
    
    public GotoStatement ()
    {
    }
    
    public GotoStatement (string label)
    {
      this.Label = label;
    }
    
    public CSharpTokenNode GotoToken {
      get { return GetChildByRole (GotoKeywordRole); }
    }
    
    public string Label {
      get {
        return GetChildByRole (Roles.Identifier).Name;
      }
      set {
        if (string.IsNullOrEmpty(value))
          SetChildByRole(Roles.Identifier, null);
        else
          SetChildByRole(Roles.Identifier, Identifier.Create (value));
      }
    }
    
    public CSharpTokenNode SemicolonToken {
      get { return GetChildByRole (Roles.Semicolon); }
    }
    
    public override void AcceptVisitor (IAstVisitor visitor)
    {
      visitor.VisitGotoStatement (this);
    }
      
    public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
    {
      return visitor.VisitGotoStatement (this);
    }

    public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
    {
      return visitor.VisitGotoStatement (this, data);
    }
    
    protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
    {
      GotoStatement o = other as GotoStatement;
      return o != null && MatchString(this.Label, o.Label);
    }
  }
  
  /// <summary>
  /// or "goto case LabelExpression;"
  /// </summary>
  public class GotoCaseStatement : Statement
  {
    public static readonly TokenRole GotoKeywordRole = new TokenRole ("goto");
    public static readonly TokenRole CaseKeywordRole = new TokenRole ("case");
    
    public CSharpTokenNode GotoToken {
      get { return GetChildByRole (GotoKeywordRole); }
    }
    
    public CSharpTokenNode CaseToken {
      get { return GetChildByRole (CaseKeywordRole); }
    }
    
    /// <summary>
    /// Used for "goto case LabelExpression;"
    /// </summary>
    public Expression LabelExpression {
      get { return GetChildByRole (Roles.Expression); }
      set { SetChildByRole (Roles.Expression, value); }
    }
    
    public CSharpTokenNode SemicolonToken {
      get { return GetChildByRole (Roles.Semicolon); }
    }
    
    public override void AcceptVisitor (IAstVisitor visitor)
    {
      visitor.VisitGotoCaseStatement (this);
    }
      
    public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
    {
      return visitor.VisitGotoCaseStatement (this);
    }
    
    public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
    {
      return visitor.VisitGotoCaseStatement (this, data);
    }
    
    protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
    {
      GotoCaseStatement o = other as GotoCaseStatement;
      return o != null && this.LabelExpression.DoMatch(o.LabelExpression, match);
    }
  }
  
  /// <summary>
  /// or "goto default;"
  /// </summary>
  public class GotoDefaultStatement : Statement
  {
    public static readonly TokenRole GotoKeywordRole = new TokenRole ("goto");
    public static readonly TokenRole DefaultKeywordRole = new TokenRole ("default");
    
    public CSharpTokenNode GotoToken {
      get { return GetChildByRole (GotoKeywordRole); }
    }
    
    public CSharpTokenNode DefaultToken {
      get { return GetChildByRole (DefaultKeywordRole); }
    }
    
    public CSharpTokenNode SemicolonToken {
      get { return GetChildByRole (Roles.Semicolon); }
    }
    
    public override void AcceptVisitor (IAstVisitor visitor)
    {
      visitor.VisitGotoDefaultStatement (this);
    }
      
    public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
    {
      return visitor.VisitGotoDefaultStatement (this);
    }
    
    public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
    {
      return visitor.VisitGotoDefaultStatement (this, data);
    }
    
    protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
    {
      GotoDefaultStatement o = other as GotoDefaultStatement;
      return o != null;
    }
  }
}