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Viewing changes to contrib/ICSharpCode.NRefactory/TypeSystem/Implementation/AbstractResolvedMember.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/Implementation/AbstractResolvedMember.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 System.Collections.Generic;
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using System.Linq;
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using ICSharpCode.NRefactory.Documentation;
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using ICSharpCode.NRefactory.Utils;
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namespace ICSharpCode.NRefactory.TypeSystem.Implementation
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{
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        /// <summary>
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        /// Implementation of <see cref="IMember"/> that resolves an unresolved member.
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        /// </summary>
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        public abstract class AbstractResolvedMember : AbstractResolvedEntity, IMember
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        {
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                protected new readonly IUnresolvedMember unresolved;
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                protected readonly ITypeResolveContext context;
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                volatile IType returnType;
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                IList<IMember> implementedInterfaceMembers;
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                protected AbstractResolvedMember(IUnresolvedMember unresolved, ITypeResolveContext parentContext)
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                        : base(unresolved, parentContext)
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                {
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                        this.unresolved = unresolved;
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                        this.context = parentContext.WithCurrentMember(this);
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                }
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                IMember IMember.MemberDefinition {
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                        get { return this; }
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                }
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                public IType ReturnType {
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                        get {
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                                return this.returnType ?? (this.returnType = unresolved.ReturnType.Resolve(context));
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                        }
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                }
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                public IUnresolvedMember UnresolvedMember {
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                        get { return unresolved; }
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                }
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                public IList<IMember> ImplementedInterfaceMembers {
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                        get {
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                                IList<IMember> result = LazyInit.VolatileRead(ref this.implementedInterfaceMembers);
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                                if (result != null) {
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                                        return result;
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                                } else {
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                                        return LazyInit.GetOrSet(ref implementedInterfaceMembers, FindImplementedInterfaceMembers());
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                                }
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                        }
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                }
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                IList<IMember> FindImplementedInterfaceMembers()
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                {
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                        if (unresolved.IsExplicitInterfaceImplementation) {
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                                List<IMember> result = new List<IMember>();
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                                foreach (var memberReference in unresolved.ExplicitInterfaceImplementations) {
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                                        IMember member = memberReference.Resolve(context);
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                                        if (member != null)
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                                                result.Add(member);
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                                }
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                                return result.ToArray();
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                        } else if (unresolved.IsStatic) {
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                                return EmptyList<IMember>.Instance;
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                        } else {
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                                // TODO: implement interface member mappings correctly
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                                return InheritanceHelper.GetBaseMembers(this, true)
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                                        .Where(m => m.DeclaringTypeDefinition != null && m.DeclaringTypeDefinition.Kind == TypeKind.Interface)
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                                        .ToArray();
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                        }
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                }
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                public override DocumentationComment Documentation {
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                        get {
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                                IUnresolvedDocumentationProvider docProvider = unresolved.ParsedFile as IUnresolvedDocumentationProvider;
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                                if (docProvider != null) {
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                                        var doc = docProvider.GetDocumentation(unresolved, this);
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                                        if (doc != null)
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                                                return doc;
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                                }
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                                return base.Documentation;
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                        }
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                }
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                public bool IsExplicitInterfaceImplementation {
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                        get { return unresolved.IsExplicitInterfaceImplementation; }
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                }
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                public bool IsVirtual {
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                        get { return unresolved.IsVirtual; }
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                }
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                public bool IsOverride {
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                        get { return unresolved.IsOverride; }
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                }
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                public bool IsOverridable {
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                        get { return unresolved.IsOverridable; }
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                }
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                public virtual IMemberReference ToMemberReference()
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                {
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                        var declTypeRef = this.DeclaringType.ToTypeReference();
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                        if (IsExplicitInterfaceImplementation && ImplementedInterfaceMembers.Count == 1) {
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                                return new ExplicitInterfaceImplementationMemberReference(declTypeRef, ImplementedInterfaceMembers[0].ToMemberReference());
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                        } else {
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                                return new DefaultMemberReference(this.EntityType, declTypeRef, this.Name);
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                        }
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                }
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                internal IMethod GetAccessor(ref IMethod accessorField, IUnresolvedMethod unresolvedAccessor)
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                {
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                        if (unresolvedAccessor == null)
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                                return null;
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                        IMethod result = LazyInit.VolatileRead(ref accessorField);
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                        if (result != null) {
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                                return result;
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                        } else {
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                                return LazyInit.GetOrSet(ref accessorField, (IMethod)unresolvedAccessor.CreateResolved(context));
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                        }
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                }
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        }
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}