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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- B I N D O --
-- --
-- S p e c --
-- --
-- Copyright (C) 2019-2021, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT 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 distributed with GNAT; see file COPYING3. If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- The following unit contains the main entry point into the elaboration order
-- mechanism. See the body for details.
with ALI; use ALI;
with Namet; use Namet;
package Bindo is
-- The following type represents the various phases of the elaboration
-- order mechanism.
type Elaboration_Phase is
(Component_Discovery,
Cycle_Diagnostics,
Cycle_Discovery,
Cycle_Validation,
Elaboration_Order_Validation,
Invocation_Graph_Construction,
Invocation_Graph_Validation,
Library_Graph_Augmentation,
Library_Graph_Construction,
Library_Graph_Elaboration,
Library_Graph_Validation,
Unit_Collection,
Unit_Elaboration);
-- The following type represents the various kinds of precedence between
-- two items.
type Precedence_Kind is
(Lower_Precedence,
Equal_Precedence,
Higher_Precedence);
procedure Find_Elaboration_Order
(Order : out Unit_Id_Table;
Main_Lib_File : File_Name_Type);
-- Find an order of all units in the bind that need to be elaborated
-- such that elaboration code flow, pragmas Elaborate, Elaborate_All,
-- and Elaborate_Body, and with clause dependencies are all honoured.
-- Main_Lib_File is the argument of the bind. If a satisfactory order
-- exists, it is returned in Order, otherwise Unrecoverable_Error is
-- raised.
end Bindo;