Add CSharpILMixedLanguage

ILSpy/ILSpy.csproj

@@ -106,6 +106,7 @@
       <DependentUpon>DebugSteps.xaml</DependentUpon>
     </Compile>
     <Compile Include="ILSpyTraceListener.cs" />
+    <Compile Include="Languages\CSharpILMixedLanguage.cs" />
     <Compile Include="Languages\CSharpLanguage.cs" />
     <Compile Include="DecompilationOptions.cs" />
     <Compile Include="ExtensionMethods.cs" />

ILSpy/Languages/CSharpILMixedLanguage.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.Linq;
+using ICSharpCode.Decompiler;
+using ICSharpCode.Decompiler.Disassembler;
+using Mono.Cecil;
+
+namespace ICSharpCode.ILSpy
+{
+	[Export(typeof(Language))]
+	class CSharpILMixedLanguage : Language
+	{
+		private readonly bool detectControlStructure = true;
+
+		public override string Name => "IL with C#";
+
+		public override string FileExtension => ".il";
+
+		public override void DecompileMethod(MethodDefinition method, ITextOutput output, DecompilationOptions options)
+		{
+			var dis = new ReflectionDisassembler(output, detectControlStructure, options.CancellationToken);
+			dis.DisassembleMethod(method);
+		}
+	}
+}