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// Copyright (c) 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.Collections.Generic;
using ICSharpCode.NRefactory.TypeSystem.Implementation;
namespace ICSharpCode.NRefactory.TypeSystem
{
public sealed class PointerType : TypeWithElementType
{
public PointerType(IType elementType) : base(elementType)
{
}
public override TypeKind Kind {
get { return TypeKind.Pointer; }
}
public override string NameSuffix {
get {
return "*";
}
}
public override bool? IsReferenceType {
get { return null; }
}
public override int GetHashCode()
{
return elementType.GetHashCode() ^ 91725811;
}
public override bool Equals(IType other)
{
PointerType a = other as PointerType;
return a != null && elementType.Equals(a.elementType);
}
public override IType AcceptVisitor(TypeVisitor visitor)
{
return visitor.VisitPointerType(this);
}
public override IType VisitChildren(TypeVisitor visitor)
{
IType e = elementType.AcceptVisitor(visitor);
if (e == elementType)
return this;
else
return new PointerType(e);
}
public override ITypeReference ToTypeReference()
{
return new PointerTypeReference(elementType.ToTypeReference());
}
}
[Serializable]
public sealed class PointerTypeReference : ITypeReference, ISupportsInterning
{
ITypeReference elementType;
public PointerTypeReference(ITypeReference elementType)
{
if (elementType == null)
throw new ArgumentNullException("elementType");
this.elementType = elementType;
}
public ITypeReference ElementType {
get { return elementType; }
}
public IType Resolve(ITypeResolveContext context)
{
return new PointerType(elementType.Resolve(context));
}
public override string ToString()
{
return elementType.ToString() + "*";
}
void ISupportsInterning.PrepareForInterning(IInterningProvider provider)
{
elementType = provider.Intern(elementType);
}
int ISupportsInterning.GetHashCodeForInterning()
{
return elementType.GetHashCode() ^ 91725812;
}
bool ISupportsInterning.EqualsForInterning(ISupportsInterning other)
{
PointerTypeReference o = other as PointerTypeReference;
return o != null && this.elementType == o.elementType;
}
}
}
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