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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 System.Linq;
using ICSharpCode.NRefactory.TypeSystem.Implementation;
using ICSharpCode.NRefactory.Utils;
namespace ICSharpCode.NRefactory.TypeSystem
{
/// <summary>
/// Anonymous type.
/// </summary>
public class AnonymousType : AbstractType
{
ICompilation compilation;
IUnresolvedProperty[] unresolvedProperties;
IList<IProperty> resolvedProperties;
public AnonymousType(ICompilation compilation, IList<IUnresolvedProperty> properties)
{
if (compilation == null)
throw new ArgumentNullException("compilation");
if (properties == null)
throw new ArgumentNullException("properties");
this.compilation = compilation;
this.unresolvedProperties = properties.ToArray();
var context = new SimpleTypeResolveContext(compilation.MainAssembly);
this.resolvedProperties = new ProjectedList<ITypeResolveContext, IUnresolvedProperty, IProperty>(context, unresolvedProperties, (c, p) => new AnonymousTypeProperty(p, c, this));
}
sealed class AnonymousTypeProperty : DefaultResolvedProperty, IEntity
{
readonly AnonymousType declaringType;
public AnonymousTypeProperty(IUnresolvedProperty unresolved, ITypeResolveContext parentContext, AnonymousType declaringType)
: base(unresolved, parentContext)
{
this.declaringType = declaringType;
}
IType IEntity.DeclaringType {
get { return declaringType; }
}
public override bool Equals(object obj)
{
AnonymousTypeProperty p = obj as AnonymousTypeProperty;
return p != null && declaringType.Equals(p.declaringType) && this.Name == p.Name;
}
public override int GetHashCode()
{
return declaringType.GetHashCode() ^ unchecked(27 * this.Name.GetHashCode());
}
}
public override ITypeReference ToTypeReference()
{
throw new NotSupportedException();
}
public override string Name {
get { return "Anonymous Type"; }
}
public override TypeKind Kind {
get { return TypeKind.Anonymous; }
}
public override bool? IsReferenceType {
get { return true; }
}
public IList<IProperty> Properties {
get { return resolvedProperties; }
}
public override IEnumerable<IMethod> GetMethods(Predicate<IUnresolvedMethod> filter = null, GetMemberOptions options = GetMemberOptions.None)
{
if ((options & GetMemberOptions.IgnoreInheritedMembers) == GetMemberOptions.IgnoreInheritedMembers)
return EmptyList<IMethod>.Instance;
else
return compilation.FindType(KnownTypeCode.Object).GetMethods(filter, options);
}
public override IEnumerable<IMethod> GetMethods(IList<IType> typeArguments, Predicate<IUnresolvedMethod> filter = null, GetMemberOptions options = GetMemberOptions.None)
{
if ((options & GetMemberOptions.IgnoreInheritedMembers) == GetMemberOptions.IgnoreInheritedMembers)
return EmptyList<IMethod>.Instance;
else
return compilation.FindType(KnownTypeCode.Object).GetMethods(typeArguments, filter, options);
}
public override IEnumerable<IProperty> GetProperties(Predicate<IUnresolvedProperty> filter = null, GetMemberOptions options = GetMemberOptions.None)
{
for (int i = 0; i < unresolvedProperties.Length; i++) {
if (filter == null || filter(unresolvedProperties[i]))
yield return resolvedProperties[i];
}
}
public override int GetHashCode()
{
unchecked {
int hashCode = resolvedProperties.Count;
foreach (var p in resolvedProperties) {
hashCode *= 31;
hashCode += p.Name.GetHashCode() ^ p.ReturnType.GetHashCode();
}
return hashCode;
}
}
public override bool Equals(IType other)
{
AnonymousType o = other as AnonymousType;
if (o == null || resolvedProperties.Count != o.resolvedProperties.Count)
return false;
for (int i = 0; i < resolvedProperties.Count; i++) {
IProperty p1 = resolvedProperties[i];
IProperty p2 = o.resolvedProperties[i];
if (p1.Name != p2.Name || !p1.ReturnType.Equals(p2.ReturnType))
return false;
}
return true;
}
}
}
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