Merge pull request #663 from someone-with-default-username/master

Fix #635. Decompile static methods in interfaces.

ICSharpCode.Decompiler/Ast/AstBuilder.cs

@@ -771,6 +771,7 @@ namespace ICSharpCode.Decompiler.Ast
 			astMethod.Name = CleanName(methodDef.Name);
 			astMethod.TypeParameters.AddRange(MakeTypeParameters(methodDef.GenericParameters));
 			astMethod.Parameters.AddRange(MakeParameters(methodDef));
+			bool createMethodBody = false;
 			// constraints for override and explicit interface implementation methods are inherited from the base method, so they cannot be specified directly
 			if (!methodDef.IsVirtual || (methodDef.IsNewSlot && !methodDef.IsPrivate)) astMethod.Constraints.AddRange(MakeConstraints(methodDef.GenericParameters));
 			if (!methodDef.DeclaringType.IsInterface) {
@@ -781,6 +782,13 @@ namespace ICSharpCode.Decompiler.Ast
 					if (methodDef.IsVirtual == methodDef.IsNewSlot)
 						SetNewModifier(astMethod);
 				}
+				createMethodBody = true;
+			} else if (methodDef.IsStatic) {
+				// decompile static method in interface
+				astMethod.Modifiers = ConvertModifiers(methodDef);
+				createMethodBody = true;
+			}
+			if (createMethodBody) {
 				astMethod.Body = CreateMethodBody(methodDef, astMethod.Parameters);
 				if (context.CurrentMethodIsAsync) {
 					astMethod.Modifiers |= Modifiers.Async;