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-- Provide a simple way to concat an unknown number of nets.
-- Copyright (C) 2019 Tristan Gingold
--
-- This file is part of GHDL.
--
-- This program 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 of the License, or
-- (at your option) any later version.
--
-- This program 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 this program; if not, write to the Free Software
-- Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
-- MA 02110-1301, USA.
with Dyn_Tables;
with Netlists.Builders; use Netlists.Builders;
package Netlists.Concats is
type Concat_Type is limited private;
-- Append net N to C. The first net appended will be at offset 0.
procedure Append (C : in out Concat_Type; N : Net);
-- Get the concatenation of all nets in C. Reset C.
procedure Build (Ctxt : Context_Acc; C : in out Concat_Type; N : out Net);
private
Static_Last : constant Int32 := 16;
package Net_Tables is new Dyn_Tables
(Table_Component_Type => Net,
Table_Index_Type => Int32,
Table_Low_Bound => 1,
Table_Initial => Integer (Static_Last * 2));
type Concat_Type is limited record
Len : Int32 := 0;
Sarr : Net_Tables.Table_Type (1 .. Static_Last);
Darr : Net_Tables.Instance;
end record;
end Netlists.Concats;
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