Change structure of EWF, to follow better categorization

library/utility/general/error/src/error_custom.e

@@ -0,0 +1,57 @@
+note
+	description : "Objects that represent a custom error"
+	legal: "See notice at end of class."
+	status: "See notice at end of class."
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	ERROR_CUSTOM
+
+inherit
+	ERROR
+
+create
+	make
+
+feature {NONE} -- Initialization
+
+	make (a_code: INTEGER; a_name: like name; a_message: detachable like message)
+			-- Initialize `Current'.
+		do
+			code := a_code
+			name := a_name
+			if a_message /= Void then
+				message := a_message
+			else
+				message := "Error: " + a_name + " (code=" + a_code.out + ")"
+			end
+		end
+
+feature -- Access
+
+	code: INTEGER
+
+	name: READABLE_STRING_8
+
+	message: detachable READABLE_STRING_32
+
+feature -- Visitor
+
+	process (a_visitor: ERROR_VISITOR)
+			-- Process Current using `a_visitor'.
+		do
+			a_visitor.process_custom (Current)
+		end
+
+note
+	copyright: "2011-2012, Eiffel Software and others"
+	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
+	source: "[
+			Eiffel Software
+			5949 Hollister Ave., Goleta, CA 93117 USA
+			Telephone 805-685-1006, Fax 805-685-6869
+			Website http://www.eiffel.com
+			Customer support http://support.eiffel.com
+		]"
+end