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-- 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_Location2 (N : Net; Loc : Location_Type) is
begin
Set_Location (Get_Net_Parent (N), Loc);
end Set_Location2;
procedure Set_Location (Inst : Instance; Loc : Location_Type) is
begin
if Flag_Locations then
Set_Location1 (Inst, Loc);
end if;
end Set_Location;
procedure Set_Location (Dest : Net; Loc : Location_Type) is
begin
if Flag_Locations then
Set_Location2 (Dest, 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;
procedure Copy_Location1 (Dest : Net; Src : Instance) is
begin
Set_Location (Get_Net_Parent (Dest), Get_Location (Src));
end Copy_Location1;
procedure Copy_Location1 (Dest : Net; Src : Net) is
begin
Set_Location (Get_Net_Parent (Dest),
Get_Location (Get_Net_Parent (Src)));
end Copy_Location1;
procedure Copy_Location (Dest : Net; Src : Net) is
begin
if Flag_Locations then
Copy_Location1 (Dest, Src);
end if;
end Copy_Location;
procedure Copy_Location (Dest : Net; Src : Instance) is
begin
if Flag_Locations then
Copy_Location1 (Dest, Src);
end if;
end Copy_Location;
begin
Loc_Table.Append (No_Location);
end Netlists.Locations;
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