Imported Upstream version 6.6.0.89

Former-commit-id: b39a328747c2f3414dc52e009fb6f0aa80ca2492

external/api-doc-tools/mdoc/Mono.Documentation/Updater/DynamicParserContext.cs

@@ -0,0 +1,30 @@
+using System.Collections.ObjectModel;
+using System.Linq;
+
+using Mono.Cecil;
+
+using Mono.Documentation.Util;
+
+namespace Mono.Documentation.Updater
+{
+    public class DynamicParserContext
+    {
+        public ReadOnlyCollection<bool> TransformFlags;
+        public int TransformIndex;
+
+        public DynamicParserContext (ICustomAttributeProvider provider)
+        {
+            CustomAttribute da;
+            if (provider.HasCustomAttributes &&
+                    (da = (provider.CustomAttributes.SafeCast<CustomAttribute> ()
+                        .SingleOrDefault (ca => ca.GetDeclaringType () == "System.Runtime.CompilerServices.DynamicAttribute"))) != null)
+            {
+                CustomAttributeArgument[] values = da.ConstructorArguments.Count == 0
+                    ? new CustomAttributeArgument[0]
+                    : (CustomAttributeArgument[])da.ConstructorArguments[0].Value;
+
+                TransformFlags = new ReadOnlyCollection<bool> (values.Select (t => (bool)t.Value).ToArray ());
+            }
+        }
+    }
+}