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Viewing changes to contrib/ICSharpCode.NRefactory/TypeSystem/ByReferenceType.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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contrib/ICSharpCode.NRefactory/TypeSystem/ByReferenceType.cs
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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
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// 
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is furnished to do so, subject to the following conditions:
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// 
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// The above copyright notice and this permission notice shall be included in all copies or
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// substantial portions of the Software.
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// 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System;
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using ICSharpCode.NRefactory.TypeSystem.Implementation;
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namespace ICSharpCode.NRefactory.TypeSystem
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{
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        public sealed class ByReferenceType : TypeWithElementType
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        {
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                public ByReferenceType(IType elementType) : base(elementType)
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                {
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                }
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                public override TypeKind Kind {
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                        get { return TypeKind.ByReference; }
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                }
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                public override string NameSuffix {
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                        get {
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                                return "&";
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                        }
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                }
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                public override bool? IsReferenceType {
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                        get { return null; }
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                }
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                public override int GetHashCode()
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                {
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                        return elementType.GetHashCode() ^ 91725813;
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                }
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                public override bool Equals(IType other)
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                {
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                        ByReferenceType a = other as ByReferenceType;
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                        return a != null && elementType.Equals(a.elementType);
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                }
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                public override IType AcceptVisitor(TypeVisitor visitor)
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                {
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                        return visitor.VisitByReferenceType(this);
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                }
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                public override IType VisitChildren(TypeVisitor visitor)
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                {
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                        IType e = elementType.AcceptVisitor(visitor);
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                        if (e == elementType)
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                                return this;
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                        else
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                                return new ByReferenceType(e);
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                }
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                public override ITypeReference ToTypeReference()
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                {
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                        return new ByReferenceTypeReference(elementType.ToTypeReference());
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                }
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        }
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        [Serializable]
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        public sealed class ByReferenceTypeReference : ITypeReference, ISupportsInterning
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        {
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                ITypeReference elementType;
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                public ByReferenceTypeReference(ITypeReference elementType)
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                {
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                        if (elementType == null)
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                                throw new ArgumentNullException("elementType");
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                        this.elementType = elementType;
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                }
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                public ITypeReference ElementType {
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                        get { return elementType; }
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                }
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                public IType Resolve(ITypeResolveContext context)
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                {
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                        return new ByReferenceType(elementType.Resolve(context));
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                }
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                public override string ToString()
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                {
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                        return elementType.ToString() + "&";
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                }
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                void ISupportsInterning.PrepareForInterning(IInterningProvider provider)
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                {
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                        elementType = provider.Intern(elementType);
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                }
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                int ISupportsInterning.GetHashCodeForInterning()
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                {
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                        return elementType.GetHashCode() ^ 91725814;
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                }
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                bool ISupportsInterning.EqualsForInterning(ISupportsInterning other)
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                {
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                        ByReferenceTypeReference brt = other as ByReferenceTypeReference;
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                        return brt != null && this.elementType == brt.elementType;
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                }
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        }
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}