/tutorial/backtracking/expand_expression/abstract/expression_item_globals.e

 1-- See the Copyright notice at the end of this file.
 2--
 3class EXPRESSION_ITEM_GLOBALS
 4
 5feature {}
 6	Failure_item, Value_item, Or_item, And_item, Empty_item, Success_item: INTEGER is unique
 7
 8	Iterate: BOOLEAN is True
 9
10	alternative_pool: POOL_ALTERNATIVE is
11		once
12			create Result.make
13		end
14
15	sequence_pool: POOL_SEQUENCE is
16		once
17			create Result.make
18		end
19
20end -- class EXPRESSION_ITEM_GLOBALS
21--
22-- ------------------------------------------------------------------------------------------------------------------------------
23-- Copyright notice below. Please read.
24--
25-- This file is free software, which comes along with SmartEiffel. This software is distributed in the hope that it will be
26-- useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
27-- You can modify it as you want, provided this footer is kept unaltered, and a notification of the changes is added.
28-- You are allowed to redistribute it and sell it, alone or as a part of another product.
29--
30-- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P.       - University of Nancy 1 - FRANCE
31-- Copyright(C) 2003-2005: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE
32--
33-- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN
34--
35-- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr
36-- ------------------------------------------------------------------------------------------------------------------------------