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Aminet 37
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Aminet 37 (2000)(Schatztruhe)[!][Jun 2000].iso
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smalleiffel
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declaration_group.e
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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 DECLARATION_GROUP
--
-- When a group of variable have the same type mark.
--
-- Exemple 1 :
-- local
-- foo, bar : ZOO;
-- --------------
--
-- Exemple 2 :
-- bip(foo, bar : ZOO) is
-- --------------
--
-- See Eiffel3 grammar for more details.
--
-- Note : it is necessary to have a good pretty pretty_printing to store
-- the user's original text.
--
inherit DECLARATION;
creation {EIFFEL_PARSER} make
feature {NONE}
name_list: ARRAY[LOCAL_ARGUMENT1];
feature {NONE}
make(nl: like name_list; type: TYPE) is
require
nl /= Void;
1 < nl.count;
type /= Void;
local
i: INTEGER;
do
name_list := nl;
from
i := name_list.upper;
until
i = 0
loop
name_list.item(i).set_result_type(type);
i := i - 1;
end;
ensure
name_list = nl;
end;
feature
pretty_print is
local
i: INTEGER;
do
from
i := name_list.lower;
name_list.item(i).pretty_print;
i := i + 1;
until
i > name_list.upper
loop
fmt.put_string(", ");
name_list.item(i).pretty_print;
i := i + 1;
end;
fmt.put_string(": ");
name_list.item(1).result_type.pretty_print;
end;
short is
local
i: INTEGER;
do
from
i := name_list.lower;
name_list.item(i).short;
i := i + 1;
until
i > name_list.upper
loop
short_print.hook_or("hook304",", ");
name_list.item(i).short;
i := i + 1;
end;
short_print.hook_or("hook305",": ");
name_list.item(1).result_type.short;
end;
feature {DECLARATION_LIST}
count: INTEGER is
do
Result := name_list.upper;
end;
feature {DECLARATION_LIST}
append_in(dl: DECLARATION_LIST) is
local
i: INTEGER;
do
from
i := name_list.lower;
until
i > name_list.upper
loop
dl.add_last(name_list.item(i));
i := i + 1;
end;
end;
invariant
name_list.lower = 1;
name_list.upper >= 2;
end -- DECLARATION_GROUP