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//
// AnonymousMethodExpression.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.
using System.Collections.Generic;
using System.Linq;
namespace ICSharpCode.NRefactory.CSharp
{
/// <summary>
/// [async] delegate(Parameters) {Body}
/// </summary>
public class AnonymousMethodExpression : Expression
{
public readonly static TokenRole DelegateKeywordRole = new TokenRole ("delegate");
public readonly static TokenRole AsyncModifierRole = LambdaExpression.AsyncModifierRole;
bool isAsync;
public bool IsAsync {
get { return isAsync; }
set { ThrowIfFrozen(); isAsync = value; }
}
// used to tell the difference between delegate {} and delegate () {}
bool hasParameterList;
public bool HasParameterList {
get { return hasParameterList; }
set { ThrowIfFrozen(); hasParameterList = value; }
}
public CSharpTokenNode DelegateToken {
get { return GetChildByRole (DelegateKeywordRole); }
}
public CSharpTokenNode LParToken {
get { return GetChildByRole (Roles.LPar); }
}
public AstNodeCollection<ParameterDeclaration> Parameters {
get { return GetChildrenByRole (Roles.Parameter); }
}
public CSharpTokenNode RParToken {
get { return GetChildByRole (Roles.RPar); }
}
public BlockStatement Body {
get { return GetChildByRole (Roles.Body); }
set { SetChildByRole (Roles.Body, value); }
}
public AnonymousMethodExpression ()
{
}
public AnonymousMethodExpression (BlockStatement body, IEnumerable<ParameterDeclaration> parameters = null)
{
if (parameters != null) {
hasParameterList = true;
foreach (var parameter in parameters) {
AddChild (parameter, Roles.Parameter);
}
}
AddChild (body, Roles.Body);
}
public AnonymousMethodExpression (BlockStatement body, params ParameterDeclaration[] parameters) : this (body, (IEnumerable<ParameterDeclaration>)parameters)
{
}
public override void AcceptVisitor (IAstVisitor visitor)
{
visitor.VisitAnonymousMethodExpression (this);
}
public override T AcceptVisitor<T> (IAstVisitor<T> visitor)
{
return visitor.VisitAnonymousMethodExpression (this);
}
public override S AcceptVisitor<T, S> (IAstVisitor<T, S> visitor, T data)
{
return visitor.VisitAnonymousMethodExpression (this, data);
}
protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
{
AnonymousMethodExpression o = other as AnonymousMethodExpression;
return o != null && this.IsAsync == o.IsAsync && this.HasParameterList == o.HasParameterList
&& this.Parameters.DoMatch(o.Parameters, match) && this.Body.DoMatch(o.Body, match);
}
}
}
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