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-- Protected objects table
-- Copyright (C) 2022 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, see <gnu.org/licenses>.
with Tables;
package body Elab.Vhdl_Prot is
package Prot_Table is new Tables
(Table_Component_Type => Synth_Instance_Acc,
Table_Index_Type => Protected_Index,
Table_Low_Bound => 1,
Table_Initial => 16);
function Create (Inst : Synth_Instance_Acc) return Protected_Index is
begin
Prot_Table.Append (Inst);
return Prot_Table.Last;
end Create;
function Get (Idx : Protected_Index) return Synth_Instance_Acc
is
Res : Synth_Instance_Acc;
begin
pragma Assert (Idx > No_Protected_Index);
pragma Assert (Idx <= Prot_Table.Last);
Res := Prot_Table.Table (Idx);
pragma Assert (Res /= null);
return Res;
end Get;
procedure Destroy (Idx : Protected_Index) is
begin
pragma Assert (Idx > No_Protected_Index);
pragma Assert (Idx <= Prot_Table.Last);
pragma Assert (Prot_Table.Table (Idx) /= null);
Prot_Table.Table (Idx) := null;
-- TODO: Decrease if last ?
end Destroy;
end Elab.Vhdl_Prot;
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