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--                                                                          --
--                         GNAT COMPILER COMPONENTS                         --
--                                                                          --
--                             P R E P C O M P                              --
--                                                                          --
--                                 S p e c                                  --
--                                                                          --
--          Copyright (C) 2002-2007, 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 stores all preprocessing data for the compiler
 
with Namet; use Namet;
 
package Prepcomp is
 
   procedure Add_Dependencies;
   --  Add dependencies on the preprocessing data file and the
   --  preprocessing definition files, if any.
 
   procedure Add_Symbol_Definition (Def : String);
   --  Add a symbol definition from the command line.
   --  Fail if definition is illegal.
 
   procedure Check_Symbols;
   --  Check if there are preprocessing symbols on the command line and
   --  set preprocessing if there are some: all files are preprocessed with
   --  these symbols. This procedure should not be called if there is a
   --  preprocessing data file specified on the command line. Procedure
   --  Parse_Preprocessing_Data_File should be called instead.
 
   procedure Parse_Preprocessing_Data_File (N : File_Name_Type);
   --  Parse a preprocessing data file, specified with a -gnatep= switch
 
   procedure Prepare_To_Preprocess
     (Source               : File_Name_Type;
      Preprocessing_Needed : out Boolean);
   --  Prepare, if necessary, the preprocessor for a source file.
   --  If the source file needs to be preprocessed, Preprocessing_Needed
   --  is set to True. Otherwise, Preprocessing_Needed is set to False
   --  and no preprocessing needs to be done.
 
   procedure Process_Command_Line_Symbol_Definitions;
   --  Check symbol definitions that have been added by calls to procedure
   --  Add_Symbol_Definition and stored as pointers to string, and put them in
   --  a table. The reason the definitions were stored as pointer to strings is
   --  that the name table is not yest initialized when we process the command
   --  line switches. These symbol definitions will be later used in
   --  the call to Prepare_To_Preprocess.
 
end Prepcomp;