/src/tools/semantics/code/liberty_entity.e

 1-- This file is part of Liberty Eiffel.
 2--
 3-- Liberty Eiffel is free software: you can redistribute it and/or modify
 4-- it under the terms of the GNU General Public License as published by
 5-- the Free Software Foundation, version 3 of the License.
 6--
 7-- Liberty Eiffel is distributed in the hope that it will be useful,
 8-- but WITHOUT ANY WARRANTY; without even the implied warranty of
 9-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10-- GNU General Public License for more details.
11--
12-- You should have received a copy of the GNU General Public License
13-- along with Liberty Eiffel.  If not, see <http://www.gnu.org/licenses/>.
14--
15deferred class LIBERTY_ENTITY
16--
17-- Anything with a name and a result type.
18-- Most entities have a non-Void result type, except procedures.
19--
20-- See also LIBERTY_WRITABLE
21--
22
23inherit
24   VISITABLE
25   LIBERTY_POSITIONABLE
26      undefine out_in_tagged_out_memory
27      end
28
29insert
30   LIBERTY_REACHABLE
31
32feature {ANY}
33   name: FIXED_STRING is
34      deferred
35      end
36
37   result_type: LIBERTY_TYPE is
38      deferred
39      ensure
40         -- Result may be Void in the particular case of procedures
41      end
42
43   specialized_in (a_type: LIBERTY_ACTUAL_TYPE): like Current is
44      require
45         a_type /= Void
46      deferred
47      ensure
48         Result /= Void
49      end
50
51invariant
52   name /= Void
53
54end