1 files changed, 56 insertions, 0 deletions
diff --git a/src/synth/elab-vhdl_prot.adb b/src/synth/elab-vhdl_prot.adb
new file mode 100644
index 000000000..885fbfb59
--- /dev/null
+++ b/src/synth/elab-vhdl_prot.adb
@@ -0,0 +1,56 @@
+--  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;