1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--                                B I N D E                                 --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 1992-2019, Free Software Foundation, Inc.         --
10--                                                                          --
11-- GNAT is free software;  you can  redistribute it  and/or modify it under --
12-- terms of the  GNU General Public License as published  by the Free Soft- --
13-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
14-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
15-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
16-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
17-- for  more details.  You should have  received  a copy of the GNU General --
18-- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
19-- http://www.gnu.org/licenses for a complete copy of the license.          --
20--                                                                          --
21-- GNAT was originally developed  by the GNAT team at  New York University. --
22-- Extensive contributions were provided by Ada Core Technologies Inc.      --
23--                                                                          --
24------------------------------------------------------------------------------
25
26--  This package contains the routine that determines library-level elaboration
27--  order.
28
29with ALI;   use ALI;
30with Namet; use Namet;
31with Types; use Types;
32
33with GNAT.Dynamic_Tables;
34
35package Binde is
36
37   package Unit_Id_Tables is new GNAT.Dynamic_Tables
38     (Table_Component_Type => Unit_Id,
39      Table_Index_Type     => Nat,
40      Table_Low_Bound      => 1,
41      Table_Initial        => 500,
42      Table_Increment      => 200);
43   use Unit_Id_Tables;
44
45   subtype Unit_Id_Table is Unit_Id_Tables.Instance;
46   subtype Unit_Id_Array is Unit_Id_Tables.Table_Type;
47
48   procedure Find_Elab_Order
49     (Elab_Order          : out Unit_Id_Table;
50      First_Main_Lib_File : File_Name_Type);
51   --  Determine elaboration order.
52   --
53   --  The Elab_Order table records the chosen elaboration order. It is used by
54   --  Gen_Elab_Calls to generate the sequence of elaboration calls. Note that
55   --  units are included in this table even if they have no elaboration
56   --  routine, since the table is also used to drive the generation of object
57   --  files in the binder output. Gen_Elab_Calls skips any units that have no
58   --  elaboration routine.
59
60end Binde;
61