1 files changed, 69 insertions, 0 deletions
diff --git a/src/synth/netlists-locations.adb b/src/synth/netlists-locations.adb
new file mode 100644
index 000000000..c754d2855
--- /dev/null
+++ b/src/synth/netlists-locations.adb
@@ -0,0 +1,69 @@
+--  Locations for instances.
+--  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 Tables;
+
+package body Netlists.Locations is
+   package Loc_Table is new Tables
+     (Table_Component_Type => Location_Type,
+      Table_Index_Type => Instance,
+      Table_Low_Bound => No_Instance,
+      Table_Initial => 1024);
+
+   procedure Set_Location1 (Inst : Instance; Loc : Location_Type)
+   is
+      Cur_Last : constant Instance := Loc_Table.Last;
+   begin
+      if Inst > Cur_Last then
+         Loc_Table.Set_Last (Inst);
+         for I in Cur_Last + 1 .. Inst - 1 loop
+            Loc_Table.Table (I) := No_Location;
+         end loop;
+      end if;
+      Loc_Table.Table (Inst) := Loc;
+   end Set_Location1;
+
+   procedure Set_Location (Inst : Instance; Loc : Location_Type) is
+   begin
+      if Flag_Locations then
+         Set_Location1 (Inst, Loc);
+      end if;
+   end Set_Location;
+
+   function Get_Location1 (Inst : Instance) return Location_Type is
+   begin
+      if Inst > Loc_Table.Last then
+         return No_Location;
+      else
+         return Loc_Table.Table (Inst);
+      end if;
+   end Get_Location1;
+
+   function Get_Location (Inst : Instance) return Location_Type is
+   begin
+      if Flag_Locations then
+         return Get_Location1 (Inst);
+      else
+         return No_Location;
+      end if;
+   end Get_Location;
+begin
+   Loc_Table.Append (No_Location);
+end Netlists.Locations;