Add RemoveCLSCompliantAttribute

ICSharpCode.Decompiler/CSharp/Transforms/RemoveCLSCompliantAttribute.cs

@@ -0,0 +1,53 @@
+// Copyright (c) 2017 Siegfried Pammer
+// 
+// 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 System.Text;
+using System.Threading.Tasks;
+using ICSharpCode.Decompiler.CSharp.Syntax;
+using ICSharpCode.Decompiler.Semantics;
+
+namespace ICSharpCode.Decompiler.CSharp.Transforms
+{
+	/// <summary>
+	/// This transform is used to remove CLSCompliant attributes added by the compiler. We remove them in order to get rid of many warnings.
+	/// </summary>
+	/// <remarks>This transform is only enabled, when exporting a full assembly as project.</remarks>
+	public class RemoveCLSCompliantAttribute : IAstTransform
+	{
+		public void Run(AstNode rootNode, TransformContext context)
+		{
+			if (context.DecompiledAssembly.AssemblyAttributes.Any(a => a.AttributeType.FullName == "System.CLSCompliantAttribute"))
+				return;
+
+			foreach (var section in rootNode.Descendants.OfType<AttributeSection>()) {
+				if (section.AttributeTarget == "assembly")
+					continue;
+				foreach (var attribute in section.Attributes) {
+					var trr = attribute.Type.Annotation<TypeResolveResult>();
+					if (trr != null && trr.Type.FullName == "System.CLSCompliantAttribute")
+						attribute.Remove();
+				}
+				if (section.Attributes.Count == 0)
+					section.Remove();
+			}
+		}
+	}
+}

ICSharpCode.Decompiler/CSharp/Transforms/TransformContext.cs

@@ -47,7 +47,14 @@ namespace ICSharpCode.Decompiler.CSharp.Transforms
 		public ITypeDefinition DecompiledTypeDefinition {
 			get { return decompilationContext.CurrentTypeDefinition; }
 		}
-		
+
+		/// <summary>
+		/// Returns the assembly that is being decompiled.
+		/// </summary>
+		public IAssembly DecompiledAssembly {
+			get { return decompilationContext.CurrentAssembly; }
+		}
+
 		internal TransformContext(DecompilerTypeSystem typeSystem, ITypeResolveContext decompilationContext, TypeSystemAstBuilder typeSystemAstBuilder, DecompilerSettings settings, CancellationToken cancellationToken)
 		{
 			this.TypeSystem = typeSystem;

ICSharpCode.Decompiler/CSharp/WholeProjectDecompiler.cs

@@ -244,6 +244,7 @@ namespace ICSharpCode.Decompiler.CSharp
 		{
 			var decompiler = new CSharpDecompiler(ts, settings);
 			decompiler.AstTransforms.Add(new EscapeInvalidIdentifiers());
+			decompiler.AstTransforms.Add(new RemoveCLSCompliantAttribute());
 			return decompiler;
 		}
 		

ICSharpCode.Decompiler/ICSharpCode.Decompiler.csproj

@@ -242,6 +242,7 @@
     <Compile Include="CSharp\Resolver\ReducedExtensionMethod.cs" />
     <Compile Include="CSharp\Resolver\RenameCallbackArguments.cs" />
     <Compile Include="CSharp\Resolver\TypeInference.cs" />
+    <Compile Include="CSharp\Transforms\RemoveCLSCompliantAttribute.cs" />
     <Compile Include="CSharp\TranslationContext.cs" />
     <Compile Include="CSharp\TypeSystem\AliasNamespaceReference.cs" />
     <Compile Include="CSharp\TypeSystem\AttributeTypeReference.cs" />