note description: "Name clash of features." legal: "See notice at end of class." status: "See notice at end of class."; date: "$Date$"; revision: "$Revision $" class VMFN inherit EIFFEL_ERROR redefine build_explain, is_defined, trace_primary_context, print_single_line_error_message end feature -- Properties a_feature: E_FEATURE; -- Feature implemented in the class of id `class_id' -- responsible for the name clash inherited_feature: E_FEATURE; -- Inherited feature code: STRING = "VMFN"; -- Error code feature -- Access is_defined: BOOLEAN -- Is the error fully defined? do Result := is_class_defined and then a_feature /= Void and then inherited_feature /= Void ensure then valid_a_feature: Result implies a_feature /= Void; valid_other_feature: Result implies inherited_feature /= Void end feature -- Output build_explain (a_text_formatter: TEXT_FORMATTER) -- Build specific explanation explain for current error -- in `a_text_formatter'. do a_text_formatter.add ("Feature: "); a_feature.append_signature (a_text_formatter); a_text_formatter.add (" Version from: "); a_feature.written_class.append_name (a_text_formatter); a_text_formatter.add_new_line; a_text_formatter.add ("Feature: "); inherited_feature.append_signature (a_text_formatter); a_text_formatter.add (" Version from: "); inherited_feature.written_class.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 a_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} -- Output print_single_line_error_message (a_text_formatter: TEXT_FORMATTER) -- Displays single line help in `a_text_formatter'. do Precursor (a_text_formatter) a_text_formatter.add_space a_text_formatter.add ("Feature name ") a_feature.append_name (a_text_formatter) a_text_formatter.add (" conflicts with inherited feature ") inherited_feature.written_class.append_name (a_text_formatter); a_text_formatter.add (".") inherited_feature.append_name (a_text_formatter) a_text_formatter.add (".") end feature {COMPILER_EXPORTER} set_a_feature (f: FEATURE_I) -- Assign `f' to `a_feature'. require valid_f: f /= Void do a_feature := f.api_feature (f.written_in); end; set_inherited_feature (f: FEATURE_I) -- Assign `f' to `inherited_feature'. require valid_f: f /= Void do -- Create a E_FEATURE object taken from current class so -- that we get correct translation of any generic parameter: -- Eg: in parent A [G] you have f (a: G) -- in descendant B [G, H] inherit A [H], the signature of -- `f' becomes f (a: H) and if you display the feature information -- using parent class it will crash when trying to display the second -- generic parameter which does not exist in B, only in A. inherited_feature := f.api_feature (class_c.class_id); 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 VMFN