// Copyright (c) 2010-2013 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 ICSharpCode.NRefactory.TypeSystem;
namespace ICSharpCode.NRefactory.CSharp
{
///
/// [in|out] Name
///
/// Represents a type parameter.
/// Note: mirroring the C# syntax, constraints are not part of the type parameter declaration, but belong
/// to the parent type or method.
///
public class TypeParameterDeclaration : AstNode
{
public static readonly Role AttributeRole = EntityDeclaration.AttributeRole;
public static readonly TokenRole OutVarianceKeywordRole = new TokenRole ("out");
public static readonly TokenRole InVarianceKeywordRole = new TokenRole ("in");
public override NodeType NodeType {
get { return NodeType.Unknown; }
}
public AstNodeCollection Attributes {
get { return GetChildrenByRole (AttributeRole); }
}
VarianceModifier variance;
public VarianceModifier Variance {
get { return variance; }
set { ThrowIfFrozen(); variance = value; }
}
public CSharpTokenNode VarianceToken {
get {
switch (Variance) {
case VarianceModifier.Covariant:
return GetChildByRole(OutVarianceKeywordRole);
case VarianceModifier.Contravariant:
return GetChildByRole(InVarianceKeywordRole);
default:
return CSharpTokenNode.Null;
}
}
}
public string Name {
get {
return GetChildByRole (Roles.Identifier).Name;
}
set {
SetChildByRole(Roles.Identifier, Identifier.Create (value));
}
}
public Identifier NameToken {
get {
return GetChildByRole (Roles.Identifier);
}
set {
SetChildByRole (Roles.Identifier, value);
}
}
public TypeParameterDeclaration ()
{
}
public TypeParameterDeclaration (string name)
{
Name = name;
}
public override void AcceptVisitor (IAstVisitor visitor)
{
visitor.VisitTypeParameterDeclaration (this);
}
public override T AcceptVisitor (IAstVisitor visitor)
{
return visitor.VisitTypeParameterDeclaration (this);
}
public override S AcceptVisitor(IAstVisitor visitor, T data)
{
return visitor.VisitTypeParameterDeclaration(this, data);
}
protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
{
TypeParameterDeclaration o = other as TypeParameterDeclaration;
return o != null && this.Variance == o.Variance && MatchString(this.Name, o.Name) && this.Attributes.DoMatch(o.Attributes, match);
}
}
}