1 files changed, 73 insertions, 0 deletions
diff --git a/src/mscorlib/shared/System/Reflection/SignatureConstructedGenericType.cs b/src/mscorlib/shared/System/Reflection/SignatureConstructedGenericType.cs
new file mode 100644
index 0000000000..afcdfda352
--- /dev/null
+++ b/src/mscorlib/shared/System/Reflection/SignatureConstructedGenericType.cs
@@ -0,0 +1,73 @@
+// 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
+    {
+        internal SignatureConstructedGenericType(Type genericTypeDefinition, Type[] genericTypeArguments)
+        {
+            Debug.Assert(genericTypeDefinition != null && genericTypeArguments != null);
+            _genericTypeDefinition = genericTypeDefinition;
+            _genericTypeArguments = (Type[])(genericTypeArguments.Clone());
+        }
+    
+        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 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;
+    }
+}