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-- PSL - Utils
-- Copyright (C) 2002-2016 Tristan Gingold
--
-- GHDL is free software; you can redistribute it and/or modify it under
-- the terms of the GNU General Public License as published by the Free
-- Software Foundation; either version 2, or (at your option) any later
-- version.
--
-- GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
-- WARRANTY; without even the implied warranty of MERCHANTABILITY or
-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-- for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with GHDL; see the file COPYING. If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-- 02111-1307, USA.
package PSL.NFAs.Utils is
-- Sort outgoing edges by expression.
procedure Sort_Src_Edges (S : NFA_State);
procedure Sort_Src_Edges (N : NFA);
procedure Sort_Dest_Edges (S : NFA_State);
procedure Sort_Dest_Edges (N : NFA);
-- Move incoming edges of S1 to S, remove S1 and its outgoing edges.
procedure Merge_State_Dest (N : NFA; S : NFA_State; S1 : NFA_State);
procedure Merge_State_Src (N : NFA; S : NFA_State; S1 : NFA_State);
-- Return True if N or a child of N is EOS.
-- N must be a boolean expression.
function Has_EOS (N : Node) return Boolean;
-- Ensure there is an edge from init state to itself, for the implicit
-- [*] of cover directive.
procedure Set_Init_Loop (N : NFA);
-- Raise Program_Error if N is not internally coherent.
procedure Check_NFA (N : NFA);
end PSL.NFAs.Utils;
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