source: branches/2389-EpsLexicase/HeuristicLab.ExtLibs/HeuristicLab.NRefactory/5.5.0/NRefactory.CSharp-5.5.0/Ast/Expressions/UndocumentedExpression.cs

// 
// UndocumentedExpression.cs
//  
// Author:
//       Mike Krüger <mkrueger@novell.com>
// 
// Copyright (c) 2010 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.

using System.Collections.Generic;

namespace ICSharpCode.NRefactory.CSharp
{
  public enum UndocumentedExpressionType
  {
    ArgListAccess, // __arglist
    ArgList, // __arglist (a1, a2, ..., an)
    RefValue, // __refvalue (expr , type)
    RefType, // __reftype (expr)
    MakeRef // __makeref (expr)
  }
  
  /// <summary>
  /// Represents undocumented expressions.
  /// </summary>
  public class UndocumentedExpression : Expression
  {
    public readonly static TokenRole ArglistKeywordRole = new TokenRole ("__arglist");
    public readonly static TokenRole RefvalueKeywordRole = new TokenRole ("__refvalue");
    public readonly static TokenRole ReftypeKeywordRole = new TokenRole ("__reftype");
    public readonly static TokenRole MakerefKeywordRole = new TokenRole ("__makeref");
    
    public UndocumentedExpressionType UndocumentedExpressionType {
      get; set;
    }
    
    public CSharpTokenNode UndocumentedToken {
      get {
        switch (UndocumentedExpressionType) {
        case ICSharpCode.NRefactory.CSharp.UndocumentedExpressionType.ArgListAccess:
        case ICSharpCode.NRefactory.CSharp.UndocumentedExpressionType.ArgList:
          return GetChildByRole (ArglistKeywordRole);
        case ICSharpCode.NRefactory.CSharp.UndocumentedExpressionType.RefValue:
          return GetChildByRole (RefvalueKeywordRole);
        case ICSharpCode.NRefactory.CSharp.UndocumentedExpressionType.RefType:
          return GetChildByRole (ReftypeKeywordRole);
        case ICSharpCode.NRefactory.CSharp.UndocumentedExpressionType.MakeRef:
          return GetChildByRole (MakerefKeywordRole);
        }
        return CSharpTokenNode.Null;
      }
    }
    
    public CSharpTokenNode LParToken {
      get { return GetChildByRole (Roles.LPar); }
    }
    
    public AstNodeCollection<Expression> Arguments {
      get { return GetChildrenByRole(Roles.Argument); }
    }
    
    public CSharpTokenNode RParToken {
      get { return GetChildByRole (Roles.RPar); }
    }
    
    public override void AcceptVisitor (IAstVisitor visitor)
    {
      visitor.VisitUndocumentedExpression (this);
    }
      
    public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
    {
      return visitor.VisitUndocumentedExpression (this);
    }
    
    public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
    {
      return visitor.VisitUndocumentedExpression (this, data);
    }
    
    protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
    {
      UndocumentedExpression o = other as UndocumentedExpression;
      return o != null && this.UndocumentedExpressionType == o.UndocumentedExpressionType && this.Arguments.DoMatch(o.Arguments, match);
    }
  }
}