note description: "Error for non signature-conformance for a redefinition." legal: "See notice at end of class." status: "See notice at end of class." date: "$Date$" revision: "$Revision $" class VDRD5 inherit EIFFEL_ERROR redefine build_explain, is_defined, trace_primary_context end SHARED_WORKBENCH undefine is_equal end feature -- Properties redeclaration: E_FEATURE -- Redeclared feature precursor_of_redeclaration: E_FEATURE -- Precursor of the redeclaration code: STRING = "VDRD" feature -- Access is_defined: BOOLEAN -- Is the error fully defined? do Result := is_class_defined and then redeclaration /= Void and then precursor_of_redeclaration /= Void ensure then valid_redeclaration: Result implies redeclaration /= Void valid_precursor: Result implies precursor_of_redeclaration /= Void end feature -- Output build_explain (a_text_formatter: TEXT_FORMATTER) -- Build specific explanation image for current error -- in `a_text_formatter'. local r_class: CLASS_C p_class: CLASS_C do r_class := redeclaration.written_class p_class := precursor_of_redeclaration.written_class a_text_formatter.add ("Redefined feature: ") redeclaration.append_signature (a_text_formatter) a_text_formatter.add (" From: ") r_class.append_name (a_text_formatter) a_text_formatter.add_new_line a_text_formatter.add ("Precursor: ") precursor_of_redeclaration.append_signature (a_text_formatter) a_text_formatter.add (" From: ") p_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 redeclaration 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 {COMPILER_EXPORTER} init (old_feature, new_feature: FEATURE_I) -- Initialization require good_arguments: not (old_feature = Void or else new_feature = Void) do class_c := System.current_class redeclaration := new_feature.api_feature (new_feature.written_in) precursor_of_redeclaration := old_feature.api_feature (old_feature.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 VDRD5