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// 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 System.Collections.Generic;
using System.Collections.ObjectModel;
using ICSharpCode.NRefactory.CSharp.Resolver;
using ICSharpCode.NRefactory.Semantics;
using ICSharpCode.NRefactory.TypeSystem;
using ICSharpCode.NRefactory.TypeSystem.Implementation;
using ICSharpCode.NRefactory.Utils;
namespace ICSharpCode.NRefactory.CSharp.TypeSystem
{
/// <summary>
/// Reference to a qualified type or namespace name.
/// </summary>
[Serializable]
public sealed class MemberTypeOrNamespaceReference : TypeOrNamespaceReference, ISupportsInterning
{
readonly TypeOrNamespaceReference target;
readonly string identifier;
readonly IList<ITypeReference> typeArguments;
readonly NameLookupMode lookupMode;
public MemberTypeOrNamespaceReference(TypeOrNamespaceReference target, string identifier, IList<ITypeReference> typeArguments, NameLookupMode lookupMode = NameLookupMode.Type)
{
if (target == null)
throw new ArgumentNullException("target");
if (identifier == null)
throw new ArgumentNullException("identifier");
this.target = target;
this.identifier = identifier;
this.typeArguments = typeArguments ?? EmptyList<ITypeReference>.Instance;
this.lookupMode = lookupMode;
}
public string Identifier {
get { return identifier; }
}
public TypeOrNamespaceReference Target {
get { return target; }
}
public IList<ITypeReference> TypeArguments {
get { return typeArguments; }
}
public NameLookupMode LookupMode {
get { return lookupMode; }
}
/// <summary>
/// Adds a suffix to the identifier.
/// Does not modify the existing type reference, but returns a new one.
/// </summary>
public MemberTypeOrNamespaceReference AddSuffix(string suffix)
{
return new MemberTypeOrNamespaceReference(target, identifier + suffix, typeArguments, lookupMode);
}
public override ResolveResult Resolve(CSharpResolver resolver)
{
ResolveResult targetRR = target.Resolve(resolver);
if (targetRR.IsError)
return targetRR;
IList<IType> typeArgs = typeArguments.Resolve(resolver.CurrentTypeResolveContext);
using (var busyLock = BusyManager.Enter(this)) {
if (busyLock.Success) {
return resolver.ResolveMemberAccess(targetRR, identifier, typeArgs, lookupMode);
} else {
// This can happen for "class Test : $Test.Base$ { public class Base {} }":
return ErrorResolveResult.UnknownError; // don't cache this error
}
}
}
public override IType ResolveType(CSharpResolver resolver)
{
TypeResolveResult trr = Resolve(resolver) as TypeResolveResult;
return trr != null ? trr.Type : new UnknownType(null, identifier, typeArguments.Count);
}
public override string ToString()
{
if (typeArguments.Count == 0)
return target.ToString() + "." + identifier;
else
return target.ToString() + "." + identifier + "<" + string.Join(",", typeArguments) + ">";
}
int ISupportsInterning.GetHashCodeForInterning()
{
int hashCode = 0;
unchecked {
hashCode += 1000000007 * target.GetHashCode();
hashCode += 1000000033 * identifier.GetHashCode();
hashCode += 1000000087 * typeArguments.GetHashCode();
hashCode += 1000000021 * (int)lookupMode;
}
return hashCode;
}
bool ISupportsInterning.EqualsForInterning(ISupportsInterning other)
{
MemberTypeOrNamespaceReference o = other as MemberTypeOrNamespaceReference;
return o != null && this.target == o.target
&& this.identifier == o.identifier && this.typeArguments == o.typeArguments
&& this.lookupMode == o.lookupMode;
}
}
}
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