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/src/tools/syntax/tree/liberty_ast_feature_definition.e

http://github.com/tybor/Liberty
Specman e | 77 lines | 50 code | 13 blank | 14 comment | 0 complexity | 821ba939532d8034febcafcbd046289c MD5 | raw file
 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_FEATURE_DEFINITION
16
17inherit
18   LIBERTY_AST_NON_TERMINAL_NODE
19
20create {LIBERTY_NODE_FACTORY}
21   make
22
23feature {LIBERTY_AST_HANDLER}
24   indexing_clause: LIBERTY_AST_INDEXING is
25      do
26         Result ::= nodes.item(0)
27      end
28
29   signature: LIBERTY_AST_SIGNATURE is
30      do
31         Result ::= nodes.item(1)
32      end
33
34   has_routine_definition: BOOLEAN is
35      do
36         Result := count = 4 and then nodes.item(3).name.is_equal(once "Routine_Definition")
37      end
38
39   is_constant: BOOLEAN is
40      do
41         Result := count = 4 and then nodes.item(3).name.is_equal(once "Manifest_Or_Type_Test")
42      end
43
44   is_unique: BOOLEAN is
45      do
46         Result := count = 4 and then nodes.item(3).name.is_equal(once "KW unique")
47      end
48
49   routine_definition: LIBERTY_AST_ROUTINE_DEFINITION is
50      require
51         has_routine_definition
52      do
53         Result ::= nodes.item(3)
54      end
55
56   constant: LIBERTY_AST_MANIFEST_OR_TYPE_TEST is
57      require
58         is_constant
59      do
60         Result ::= nodes.item(3)
61      end
62
63feature {ANY}
64   count: INTEGER is
65      do
66         Result := nodes.count
67      end
68
69   name: STRING is "Feature_Definition"
70
71feature {}
72   possible_counts: SET[INTEGER] is
73      once
74         Result := {AVL_SET[INTEGER] << 2, 4 >> }
75      end
76
77end