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--                                                                          --

--                         GNAT COMPILER COMPONENTS                         --

--                                                                          --

--                              P R J . P R O C                             --

--                                                                          --

--                                 S p e c                                  --

--                                                                          --

--          Copyright (C) 2001-2009, 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.      --

--                                                                          --

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--  This package is used to convert a project file tree (see prj-tree.ads) to

--  project file data structures (see prj.ads), taking into account the

--  environment (external references).

with Prj.Tree;  use Prj.Tree;

package Prj.Proc is

   procedure Process_Project_Tree_Phase_1

     (In_Tree                : Project_Tree_Ref;

      Project                : out Project_Id;

      Success                : out Boolean;

      From_Project_Node      : Project_Node_Id;

      From_Project_Node_Tree : Project_Node_Tree_Ref;

      Flags                  : Prj.Processing_Flags;

      Reset_Tree             : Boolean := True);

   --  Process a project tree (ie the direct resulting of parsing a .gpr file)

   --  based on the current external references.

   --

   --  The result of this phase_1 is a partial project tree (Project) where

   --  only a few fields have been initialized (in particular the list of

   --  languages). These are the fields that are necessary to run gprconfig if

   --  needed to automatically generate a configuration file. This first phase

   --  of the processing does not require a configuration file.

   --

   --  When Reset_Tree is True, all the project data are removed from the

   --  project table before processing.

   procedure Process_Project_Tree_Phase_2

     (In_Tree                : Project_Tree_Ref;

      Project                : Project_Id;

      Success                : out Boolean;

      From_Project_Node      : Project_Node_Id;

      From_Project_Node_Tree : Project_Node_Tree_Ref;

      Flags                  : Processing_Flags);

   --  Perform the second phase of the processing, filling the rest of the

   --  project with the information extracted from the project tree. This phase

   --  requires that the configuration file has already been parsed (in fact

   --  we currently assume that the contents of the configuration file has

   --  been included in Project through Confgpr.Apply_Config_File). The

   --  parameters are the same as for phase_1, with the addition of:

   procedure Process

     (In_Tree                : Project_Tree_Ref;

      Project                : out Project_Id;

      Success                : out Boolean;

      From_Project_Node      : Project_Node_Id;

      From_Project_Node_Tree : Project_Node_Tree_Ref;

      Flags                  : Processing_Flags;

      Reset_Tree             : Boolean       := True);

   --  Performs the two phases of the processing

end Prj.Proc;