Take advantage of 'this' return information to adjust the return type of structors.

src/AST/Type.cs

@@ -214,9 +214,10 @@ namespace CppSharp.AST
     /// </summary>
     public class PointerType : Type
     {
-        public PointerType()
+        public PointerType(QualifiedType pointee = new QualifiedType())
         {
             Modifier = TypeModifier.Pointer;
+            QualifiedPointee = pointee;
         }
 
         /// <summary>

src/Generator/Passes/CheckAbiParameters.cs

@@ -46,6 +46,15 @@ namespace CppSharp.Passes
                     PrimitiveType.Void));
             }
 
+            if (function.HasThisReturn)
+            {
+                // This flag should only be true on methods.
+                var method = function as Method;
+                var classType = new QualifiedType(new TagType(method.Namespace),
+                    new TypeQualifiers {IsConst = true});
+                function.ReturnType = new QualifiedType(new PointerType(classType));
+            }
+
             // TODO: Handle indirect parameters
 
             return true;