ICSharpCode.NRefactory.MonoCSharp.TypeDefinition.DoDefineBaseType C# (CSharp) Method

		bool DoDefineBaseType ()
		{
			iface_exprs = ResolveBaseTypes (out base_type_expr);
			bool set_base_type;

			if (IsPartialPart) {
				set_base_type = false;

				if (base_type_expr != null) {
					if (PartialContainer.base_type_expr != null && PartialContainer.base_type != base_type) {
						Report.SymbolRelatedToPreviousError (base_type_expr.Location, "");
						Report.Error (263, Location,
							"Partial declarations of `{0}' must not specify different base classes",
							GetSignatureForError ());
					} else {
						PartialContainer.base_type_expr = base_type_expr;
						PartialContainer.base_type = base_type;
						set_base_type = true;
					}
				}

				if (iface_exprs != null) {
					if (PartialContainer.iface_exprs == null)
						PartialContainer.iface_exprs = iface_exprs;
					else {
						var ifaces = new List<TypeSpec> (PartialContainer.iface_exprs);
						foreach (var iface_partial in iface_exprs) {
							if (ifaces.Contains (iface_partial))
								continue;

							ifaces.Add (iface_partial);
						}

						PartialContainer.iface_exprs = ifaces.ToArray ();
					}
				}

				PartialContainer.members.AddRange (members);
				if (containers != null) {
					if (PartialContainer.containers == null)
						PartialContainer.containers = new List<TypeContainer> ();

					PartialContainer.containers.AddRange (containers);
				}

				if (PrimaryConstructorParameters != null) {
					if (PartialContainer.PrimaryConstructorParameters != null) {
						Report.Error (8036, Location, "Only one part of a partial type can declare primary constructor parameters");
					} else {
						PartialContainer.PrimaryConstructorParameters = PrimaryConstructorParameters;
					}
				}

				members_defined = members_defined_ok = true;
				caching_flags |= Flags.CloseTypeCreated;
			} else {
				set_base_type = true;
			}

			var cycle = CheckRecursiveDefinition (this);
			if (cycle != null) {
				Report.SymbolRelatedToPreviousError (cycle);
				if (this is Interface) {
					Report.Error (529, Location,
						"Inherited interface `{0}' causes a cycle in the interface hierarchy of `{1}'",
					    GetSignatureForError (), cycle.GetSignatureForError ());

					iface_exprs = null;
					PartialContainer.iface_exprs = null;
				} else {
					Report.Error (146, Location,
						"Circular base class dependency involving `{0}' and `{1}'",
						GetSignatureForError (), cycle.GetSignatureForError ());

					base_type = null;
					PartialContainer.base_type = null;
				}
			}

			if (iface_exprs != null) {
				if (!PrimaryConstructorBaseArgumentsStart.IsNull) {
					Report.Error (8049, PrimaryConstructorBaseArgumentsStart, "Implemented interfaces cannot have arguments");
				}

				foreach (var iface_type in iface_exprs) {
					// Prevents a crash, the interface might not have been resolved: 442144
					if (iface_type == null)
						continue;
					
					if (!spec.AddInterfaceDefined (iface_type))
						continue;

					TypeBuilder.AddInterfaceImplementation (iface_type.GetMetaInfo ());
				}
			}

			if (Kind == MemberKind.Interface) {
				spec.BaseType = Compiler.BuiltinTypes.Object;
				return true;
			}

			if (set_base_type) {
				SetBaseType ();
			}

			//
			// Base type of partial container has to be resolved before we
			// resolve any nested types of the container. We need to know
			// partial parts because the base type can be specified in file
			// defined after current container
			//
			if (class_partial_parts != null) {
				foreach (var pp in class_partial_parts) {
					if (pp.PrimaryConstructorBaseArguments != null)
						PrimaryConstructorBaseArguments = pp.PrimaryConstructorBaseArguments;

					pp.DoDefineBaseType ();
				}

			}

			return true;
		}