/src/tools/semantics/code/entities/liberty_result.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_RESULT
16
17inherit
18   LIBERTY_WRITABLE
19      redefine out_in_tagged_out_memory
20      end
21
22create {LIBERTY_TYPE}
23   make
24
25feature {ANY}
26   name: FIXED_STRING is
27      once
28         Result := "Result".intern
29      end
30
31   result_type: LIBERTY_TYPE
32
33   out_in_tagged_out_memory is
34      do
35         tagged_out_memory.append(name)
36      end
37
38   specialized_in (a_type: LIBERTY_ACTUAL_TYPE): like Current is
39      do
40         Result := result_type.specialized_in(a_type).result_entity
41      end
42
43feature {LIBERTY_REACHABLE, LIBERTY_REACHABLE_COLLECTION_MARKER}
44   mark_reachable_code (mark: INTEGER) is
45      do
46         if result_type.is_known and then result_type.known_type.is_runtime_category_set and then result_type.known_type.is_expanded then
47            result_type.mark_reachable_code(mark)
48         end
49      end
50
51feature {}
52   make (a_result_type: like result_type; a_position: like position) is
53      require
54         a_result_type /= Void
55         a_position /= Void
56      do
57         result_type := a_result_type
58         position := a_position
59      ensure
60         result_type = a_result_type
61         position = a_position
62      end
63
64feature {ANY}
65   accept (v: VISITOR) is
66      local
67         v0: LIBERTY_RESULT_VISITOR
68      do
69         v0 ::= v
70         v0.visit_liberty_result(Current)
71      end
72
73invariant
74   result_type /= Void
75
76end