/src/lib/backtracking/node/backtracking_node_true_or.e
Specman e | 55 lines | 21 code | 6 blank | 28 comment | 0 complexity | 35b1793b471c69f76abce56a068e5ba2 MD5 | raw file
1-- This file is part of a Liberty Eiffel library. 2-- See the full copyright at the end. 3-- 4class BACKTRACKING_NODE_TRUE_OR 5 -- 6 -- Alternative between nothing (as true) first and then a node 7 -- 8 9inherit 10 BACKTRACKING_NODE_UNARY 11 12insert 13 BACKTRACKING_NODE_GLOBALS 14 15create {ANY} 16 make 17 18feature {ANY} 19 explore (explorer: BACKTRACKING) 20 do 21 -- Push 'node' in front of the possible alternatives. 22 explorer.push_or(node) 23 -- Continues the exploration 24 explorer.continue 25 end 26 27feature {} 28 do_fill_tagged_out_memory 29 do 30 tagged_out_memory.append(once "<true> or (") 31 node.fill_tagged_out_memory 32 tagged_out_memory.append(once ")") 33 end 34 35end -- class BACKTRACKING_NODE_TRUE_OR 36-- 37-- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file. 38-- 39-- Permission is hereby granted, free of charge, to any person obtaining a copy 40-- of this software and associated documentation files (the "Software"), to deal 41-- in the Software without restriction, including without limitation the rights 42-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 43-- copies of the Software, and to permit persons to whom the Software is 44-- furnished to do so, subject to the following conditions: 45-- 46-- The above copyright notice and this permission notice shall be included in 47-- all copies or substantial portions of the Software. 48-- 49-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 50-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 51-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 52-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 53-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 54-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 55-- THE SOFTWARE.