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rename_pair.e
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1999-06-05
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-- This file is part of SmallEiffel The GNU Eiffel Compiler.
-- Copyright (C) 1994-98 LORIA - UHP - CRIN - INRIA - FRANCE
-- Dominique COLNET and Suzanne COLLIN - colnet@loria.fr
-- http://SmallEiffel.loria.fr
-- SmallEiffel 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; either version 2, or (at your option) any later
-- version. SmallEiffel 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 SmallEiffel; see the file COPYING. If not,
-- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-- Boston, MA 02111-1307, USA.
--
class RENAME_PAIR
--
-- To store a rename pair of Eiffel construct :
-- "inherit ... rename ... as ... end"
--
inherit GLOBALS;
creation make
feature
old_name, new_name: FEATURE_NAME;
make(on, nn: like old_name) is
require
on /= Void;
nn /= Void
do
if on.to_string = nn.to_string then
eh.add_position(on.start_position);
eh.add_position(nn.start_position);
fatal_error("New name and old name must be different.");
end;
old_name := on;
new_name := nn;
ensure
old_name = on;
new_name = nn
end;
pretty_print is
do
old_name.declaration_pretty_print;
fmt.keyword("as");
new_name.declaration_pretty_print;
end;
end -- RENAME_PAIR