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// Copyright (c) 2011 AlphaSierraPapa for the SharpDevelop Team
//
// 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;
using System.Linq;
using ICSharpCode.NRefactory.CSharp;
using ICSharpCode.NRefactory.PatternMatching;
namespace ICSharpCode.Decompiler.Ast
{
/// <summary>
/// Allows storing comments inside IEnumerable{Statement}. Used in the AstMethodBuilder.
/// CommentStatement nodes are replaced with regular comments later on.
/// </summary>
internal class CommentStatement : Statement
{
string comment;
public CommentStatement(string comment)
{
if (comment == null)
throw new ArgumentNullException("comment");
this.comment = comment;
}
public override void AcceptVisitor(IAstVisitor visitor)
{
}
public override T AcceptVisitor<T>(IAstVisitor<T> visitor)
{
return default(T);
}
public override S AcceptVisitor<T, S>(IAstVisitor<T, S> visitor, T data)
{
return default(S);
}
public static void ReplaceAll(AstNode tree)
{
foreach (var cs in tree.Descendants.OfType<CommentStatement>()) {
cs.Parent.InsertChildBefore(cs, new Comment(cs.comment), Roles.Comment);
cs.Remove();
}
}
protected override bool DoMatch(AstNode other, Match match)
{
CommentStatement o = other as CommentStatement;
return o != null && MatchString(comment, o.comment);
}
}
}
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