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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Text;
using System.Diagnostics;
namespace System.Reflection
{
internal sealed class SignatureConstructedGenericType : SignatureType
{
// The exception-visible name "typeArguments" is chosen to match the parameter name to Type.MakeGenericType() since that's the
// intended user of this constructor.
internal SignatureConstructedGenericType(Type genericTypeDefinition, Type[] typeArguments)
{
if (genericTypeDefinition == null)
throw new ArgumentNullException(nameof(genericTypeDefinition));
if (typeArguments == null)
throw new ArgumentNullException(nameof(typeArguments));
typeArguments = (Type[])(typeArguments.Clone());
for (int i = 0; i < typeArguments.Length; i++)
{
if (typeArguments[i] == null)
throw new ArgumentNullException(nameof(typeArguments));
}
_genericTypeDefinition = genericTypeDefinition;
_genericTypeArguments = typeArguments;
}
public sealed override bool IsTypeDefinition => false;
public sealed override bool IsGenericTypeDefinition => false;
protected sealed override bool HasElementTypeImpl() => false;
protected sealed override bool IsArrayImpl() => false;
protected sealed override bool IsByRefImpl() => false;
public sealed override bool IsByRefLike => _genericTypeDefinition.IsByRefLike;
protected sealed override bool IsPointerImpl() => false;
public sealed override bool IsSZArray => false;
public sealed override bool IsVariableBoundArray => false;
public sealed override bool IsConstructedGenericType => true;
public sealed override bool IsGenericParameter => false;
public sealed override bool IsGenericTypeParameter => false;
public sealed override bool IsGenericMethodParameter => false;
public sealed override bool ContainsGenericParameters
{
get
{
for (int i = 0; i < _genericTypeArguments.Length; i++)
{
if (_genericTypeArguments[i].ContainsGenericParameters)
return true;
}
return false;
}
}
internal sealed override SignatureType ElementType => null;
public sealed override int GetArrayRank() => throw new ArgumentException(SR.Argument_HasToBeArrayClass);
public sealed override Type GetGenericTypeDefinition() => _genericTypeDefinition;
public sealed override Type[] GetGenericArguments() => GenericTypeArguments;
public sealed override Type[] GenericTypeArguments => (Type[])(_genericTypeArguments.Clone());
public sealed override int GenericParameterPosition => throw new InvalidOperationException(SR.Arg_NotGenericParameter);
public sealed override string Name => _genericTypeDefinition.Name;
public sealed override string Namespace => _genericTypeDefinition.Namespace;
public sealed override string ToString()
{
StringBuilder sb = new StringBuilder();
sb.Append(_genericTypeDefinition.ToString());
sb.Append('[');
for (int i = 0; i < _genericTypeArguments.Length; i++)
{
if (i != 0)
sb.Append(',');
sb.Append(_genericTypeArguments[i].ToString());
}
sb.Append(']');
return sb.ToString();
}
private readonly Type _genericTypeDefinition;
private readonly Type[] _genericTypeArguments;
}
}
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