note

	description: 
		"Error when there is an additional invalid selection."
	legal: "See notice at end of class."
	status: "See notice at end of class.";
	date: "$Date$";
	revision: "$Revision $"

class VMRC2 

inherit

	VMRC
		redefine
			build_explain, subcode, is_defined
		end

feature -- Properties

	subcode: INTEGER = 2;

	selected_feature: E_FEATURE;

	invalid_feature: E_FEATURE;

feature -- Access

	is_defined: BOOLEAN
			-- Is the error fully defined?
		do
			Result := is_class_defined and then
				selected_feature /= Void and then
				invalid_feature /= Void
		ensure then
			valid_selected_feature: Result implies selected_feature /= Void;
			valid_invalid_feature: Result implies invalid_feature /= Void
		end

feature -- Output

	build_explain (a_text_formatter: TEXT_FORMATTER)
			-- Build specific explanation explain for current error
			-- in `a_text_formatter'.
		local
			u_class: CLASS_C;
			s_class: CLASS_C;
		do
			u_class := invalid_feature.written_class;
			s_class := selected_feature.written_class;
			a_text_formatter.add ("First version: ");
			selected_feature.append_name (a_text_formatter);
			a_text_formatter.add (" from class: ");
			s_class.append_name (a_text_formatter);
			a_text_formatter.add_new_line;
			a_text_formatter.add ("Second version: ");
			invalid_feature.append_name (a_text_formatter);
			a_text_formatter.add (" from class: ");
			u_class.append_name (a_text_formatter);
			a_text_formatter.add_new_line;
		end;

feature {COMPILER_EXPORTER}

	init (s: FEATURE_I; u: FEATURE_I)
			-- Initialization
		require
			valid_args: s /= Void and then u /= Void
		do
			selected_feature := s.api_feature (s.written_in);
			invalid_feature := u.api_feature (u.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 VMRC2