/src/tools/syntax/tree/liberty_ast_class_marker.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_AST_CLASS_MARKER
16
17inherit
18   LIBERTY_AST_NON_TERMINAL_NODE
19
20create {LIBERTY_NODE_FACTORY}
21   make
22
23feature {}
24   first_keyword: FIXED_STRING is
25      local
26         keyword: EIFFEL_TERMINAL_NODE
27      do
28         keyword ::= nodes.first
29         Result := keyword.name
30      end
31
32feature {LIBERTY_AST_HANDLER}
33   is_deferred: BOOLEAN is
34      do
35         Result := count = 2 and then first_keyword.is_equal(once "KW deferred")
36      end
37
38   is_expanded: BOOLEAN is
39      do
40         Result := count = 2 and then first_keyword.is_equal(once "KW expanded")
41      end
42
43   is_separate: BOOLEAN is
44      do
45         Result := count = 2 and then first_keyword.is_equal(once "KW separate")
46      end
47
48feature {ANY}
49   count: INTEGER is
50      do
51         Result := nodes.count
52      end
53
54   name: STRING is "Class_Marker"
55
56feature {}
57   possible_counts: SET[INTEGER] is
58      once
59         Result := {AVL_SET[INTEGER] << 1, 2 >> }
60      end
61
62end