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------------------------------------------------------------------------------

--                                                                          --

--                         GNAT COMPILER COMPONENTS                         --

--                                                                          --

--                              P R J . P A R T                             --

--                                                                          --

--                                 S p e c                                  --

--                                                                          --

--          Copyright (C) 2000-2011, 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.      --

--                                                                          --

------------------------------------------------------------------------------

--  Implements the parsing of project files into a tree

with Prj.Tree;  use Prj.Tree;

package Prj.Part is

   type Errout_Mode is

     (Always_Finalize,

      Finalize_If_Error,

      Never_Finalize);

   --  Whether Parse should call Errout.Finalize (which prints the error

   --  messages on stdout). When Never_Finalize is used, Errout is not reset

   --  either at the beginning of Parse.

   procedure Parse

     (In_Tree           : Project_Node_Tree_Ref;

      Project           : out Project_Node_Id;

      Project_File_Name : String;

      Errout_Handling   : Errout_Mode := Always_Finalize;

      Packages_To_Check : String_List_Access;

      Store_Comments    : Boolean := False;

      Current_Directory : String := "";

      Is_Config_File    : Boolean;

      Env               : in out Prj.Tree.Environment;

      Target_Name       : String := "");

   --  Parse project file and all its imported project files and create a tree.

   --  Return the node for the project (or Empty_Node if parsing failed). If

   --  Always_Errout_Finalize is True, Errout.Finalize is called in all cases,

   --  Otherwise, Errout.Finalize is only called if there are errors (but not

   --  if there are only warnings). Packages_To_Check indicates the packages

   --  where any unknown attribute produces an error. For other packages, an

   --  unknown attribute produces a warning. When Store_Comments is True,

   --  comments are stored in the parse tree.

   --

   --  Current_Directory is used for optimization purposes only, avoiding extra

   --  system calls.

   --

   --  Is_Config_File should be set to True if the project represents a config

   --  file (.cgpr) since some specific checks apply.

   --

   --  Target_Name will be used to initialize the default project path, unless

   --  In_Tree.Project_Path has already been initialized (which is the

   --  recommended use).

end Prj.Part;