Imported Upstream version 5.0.0.42

Former-commit-id: fd56571888259555122d8a0f58c68838229cea2b

external/linker/cecil/Mono.Cecil/IGenericParameterProvider.cs

@@ -0,0 +1,56 @@
+//
+// Author:
+//   Jb Evain (jbevain@gmail.com)
+//
+// Copyright (c) 2008 - 2015 Jb Evain
+// Copyright (c) 2008 - 2011 Novell, Inc.
+//
+// Licensed under the MIT/X11 license.
+//
+
+
+using Mono.Collections.Generic;
+
+namespace Mono.Cecil {
+
+	public interface IGenericParameterProvider : IMetadataTokenProvider {
+
+		bool HasGenericParameters { get; }
+		bool IsDefinition { get; }
+		ModuleDefinition Module { get; }
+		Collection<GenericParameter> GenericParameters { get; }
+		GenericParameterType GenericParameterType { get; }
+	}
+
+	public enum GenericParameterType {
+		Type,
+		Method
+	}
+
+	interface IGenericContext {
+
+		bool IsDefinition { get; }
+		IGenericParameterProvider Type { get; }
+		IGenericParameterProvider Method { get; }
+	}
+
+	static partial class Mixin {
+
+		public static bool GetHasGenericParameters (
+			this IGenericParameterProvider self,
+			ModuleDefinition module)
+		{
+			return module.HasImage () && module.Read (self, (provider, reader) => reader.HasGenericParameters (provider));
+		}
+
+		public static Collection<GenericParameter> GetGenericParameters (
+			this IGenericParameterProvider self,
+			ref Collection<GenericParameter> collection,
+			ModuleDefinition module)
+		{
+			return module.HasImage ()
+				? module.Read (ref collection, self, (provider, reader) => reader.ReadGenericParameters (provider))
+				: collection = new GenericParameterCollection (self);
+		}
+	}
+}