note description: "Error when a non-deferred class has a deferred feature." legal: "See notice at end of class." status: "See notice at end of class."; date: "$Date$"; revision: "$Revision $" class VCCH1 inherit EIFFEL_ERROR redefine build_explain, subcode, is_defined, print_single_line_error_message, trace_primary_context end feature -- Properties deferred_feature: E_FEATURE; -- Deferred feature in non deferred class code: STRING = "VCCH"; -- Error code subcode: INTEGER = 1; feature -- Access is_defined: BOOLEAN -- Is the error fully defined? do Result := is_class_defined and then deferred_feature /= Void ensure then valid_deferred_feature: Result implies deferred_feature /= Void end feature -- Output build_explain (a_text_formatter: TEXT_FORMATTER) -- Build specific explanation explain for current error -- in `a_text_formatter'. local wclass: CLASS_C; do wclass := deferred_feature.written_class; a_text_formatter.add ("Deferred feature: "); deferred_feature.append_name (a_text_formatter); a_text_formatter.add (" From: "); wclass.append_name (a_text_formatter); a_text_formatter.add_new_line; end; trace_primary_context (a_text_formatter: TEXT_FORMATTER) -- Build the primary context string so errors can be navigated to do if a_text_formatter /= Void and then attached deferred_feature as l_feature and then attached class_c as l_class then print_context_feature (a_text_formatter, l_feature, l_class) else Precursor (a_text_formatter) end end feature {NONE} -- Ouput print_single_line_error_message (a_text_formatter: TEXT_FORMATTER) -- Displays single line help in `a_text_formatter'. do Precursor {EIFFEL_ERROR} (a_text_formatter) if is_defined then a_text_formatter.add_space a_text_formatter.add ("Check deferred feature ") deferred_feature.append_name (a_text_formatter) if deferred_feature.written_class /= class_c then a_text_formatter.add (" from class ") deferred_feature.written_class.append_name (a_text_formatter) end a_text_formatter.add (".") end end feature {COMPILER_EXPORTER} -- Setting set_a_feature (f: FEATURE_I) -- Assign `f' to `a_feature'. require valid_f: f /= Void do deferred_feature := f.api_feature (f.written_in); end; note copyright: "Copyright (c) 1984-2006, Eiffel Software" license: "GPL version 2 (see http://www.eiffel.com/licensing/gpl.txt)" licensing_options: "http://www.eiffel.com/licensing" copying: "[ This file is part of Eiffel Software's Eiffel Development Environment. Eiffel Software's Eiffel Development Environment is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2 of the License (available at the URL listed under "license" above). Eiffel Software's Eiffel Development Environment is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Eiffel Software's Eiffel Development Environment; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ]" source: "[ Eiffel Software 356 Storke Road, Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end -- class VCCH1