/src/tools/syntax/tree/liberty_ast_variant.e
Specman e | 50 lines | 28 code | 8 blank | 14 comment | 0 complexity | 37a6242525739e63ef2594a5be7362bb 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_VARIANT 16 17inherit 18 LIBERTY_AST_NON_TERMINAL_NODE 19 20create {LIBERTY_NODE_FACTORY} 21 make 22 23feature {LIBERTY_AST_HANDLER} 24 has_expression: BOOLEAN is 25 do 26 Result := count > 0 27 end 28 29 expression: LIBERTY_AST_EXPRESSION is 30 require 31 has_expression 32 do 33 Result ::= nodes.item(1) 34 end 35 36feature {ANY} 37 count: INTEGER is 38 do 39 Result := nodes.count 40 end 41 42 name: STRING is "Variant" 43 44feature {} 45 possible_counts: SET[INTEGER] is 46 once 47 Result := {AVL_SET[INTEGER] << 0, 2 >> } 48 end 49 50end