/src/tools/syntax/tree/liberty_ast_feature_name_or_alias.e
Specman e | 73 lines | 48 code | 11 blank | 14 comment | 1 complexity | 2c23584ee0b6ecde4d107fa87f8b9590 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_NAME_OR_ALIAS 16 17inherit 18 LIBERTY_AST_NON_TERMINAL_NODE 19 20create {LIBERTY_NODE_FACTORY} 21 make 22 23feature {LIBERTY_AST_HANDLER} 24 is_infix: BOOLEAN is 25 do 26 Result := count = 2 and then nodes.first.name.is_equal(once "KW infix") 27 ensure 28 Result implies not is_regular and then not is_prefix 29 end 30 31 is_prefix: BOOLEAN is 32 do 33 Result := count = 2 and then nodes.first.name.is_equal(once "KW prefix") 34 ensure 35 Result implies not is_regular and then not is_infix 36 end 37 38 is_regular: BOOLEAN is 39 do 40 Result := count = 1 41 ensure 42 Result implies not is_prefix and then not is_infix 43 end 44 45 entity_name: LIBERTY_AST_ENTITY_NAME is 46 require 47 is_regular 48 do 49 Result ::= nodes.item(0) 50 end 51 52 free_operator_name: LIBERTY_AST_STRING is 53 require 54 is_prefix or else is_infix 55 do 56 Result ::= nodes.item(1) 57 end 58 59feature {ANY} 60 count: INTEGER is 61 do 62 Result := nodes.count 63 end 64 65 name: STRING is "Feature_Name_Or_Alias" 66 67feature {} 68 possible_counts: SET[INTEGER] is 69 once 70 Result := {AVL_SET[INTEGER] << 1, 2 >> } 71 end 72 73end