Simplify TypeContainer class

Author: tamasvajk

csharp/extractor/Semmle.Extraction.CIL/Entities/TypeContainer.cs

@@ -8,43 +8,12 @@ namespace Semmle.Extraction.CIL.Entities
     /// <summary>
     /// Base class for all type containers (namespaces, types, methods).
     /// </summary>
-    public abstract class TypeContainer : IGenericContext, IExtractedEntity
+    public abstract class TypeContainer : LabelledEntity, IGenericContext
     {
-        public Context Cx { get; }
-
-        protected TypeContainer(Context cx)
+        protected TypeContainer(Context cx) : base(cx)
         {
-            Cx = cx;
         }
 
-        public virtual Label Label { get; set; }
-
-        public abstract void WriteId(TextWriter trapFile);
-
-        public void WriteQuotedId(TextWriter trapFile)
-        {
-            trapFile.Write("@\"");
-            WriteId(trapFile);
-            trapFile.Write(IdSuffix);
-            trapFile.Write('\"');
-        }
-
-        public abstract string IdSuffix { get; }
-
-        public void Extract(Context cx2) { cx2.Populate(this); }
-
-        public abstract IEnumerable<IExtractionProduct> Contents { get; }
-
-        public override string ToString()
-        {
-            using var writer = new StringWriter();
-            WriteQuotedId(writer);
-            return writer.ToString();
-        }
-
-        public TrapStackBehaviour TrapStackBehaviour => TrapStackBehaviour.NoLabel;
-        public Location ReportingLocation => throw new NotImplementedException();
-
         public abstract IEnumerable<Type> MethodParameters { get; }
         public abstract IEnumerable<Type> TypeParameters { get; }
     }