/src/tools/semantics/code/instructions/liberty_empty.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--
15class LIBERTY_EMPTY
16
17inherit
18   LIBERTY_INSTRUCTION
19
20create {LIBERTY_BUILDER_TOOLS}
21   make
22
23feature {ANY}
24   specialized_in (a_type: LIBERTY_ACTUAL_TYPE): like Current is
25      do
26         Result := Current
27      end
28
29feature {LIBERTY_REACHABLE, LIBERTY_REACHABLE_COLLECTION_MARKER}
30   mark_reachable_code (mark: INTEGER) is
31      do
32         -- nothing
33      end
34
35feature {}
36   make is
37      local
38         errors: LIBERTY_ERRORS
39      do
40         position := errors.unknown_position
41      end
42
43feature {ANY}
44   accept (v: VISITOR) is
45      local
46         v0: LIBERTY_EMPTY_VISITOR
47      do
48         v0 ::= v
49         v0.visit_liberty_empty(Current)
50      end
51
52end
53