gcc/ada/prepcomp.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                             P R E P C O M P                              --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 2002-2005, 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 2,  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 COPYING.  If not, write --
  19 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, USA.                                              --
  21 --                                                                          --
  22 -- GNAT was originally developed  by the GNAT team at  New York University. --
  23 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  24 --                                                                          --
  25 ------------------------------------------------------------------------------
  26
  27 --  This package stores all preprocessing data for the compiler
  28
  29 with Types; use Types;
  30
  31 package Prepcomp is
  32
  33    procedure Add_Dependencies;
  34    --  Add dependencies on the preprocessing data file and the
  35    --  preprocessing definition files, if any.
  36
  37    procedure Add_Symbol_Definition (Def : String);
  38    --  Add a symbol definition from the command line.
  39    --  Fail if definition is illegal.
  40
  41    procedure Check_Symbols;
  42    --  Check if there are preprocessing symbols on the command line and
  43    --  set preprocessing if there are some: all files are preprocessed with
  44    --  these symbols. This procedure should not be called if there is a
  45    --  preprocessing data file specified on the command line. Procedure
  46    --  Parse_Preprocessing_Data_File should be called instead.
  47
  48    procedure Parse_Preprocessing_Data_File (N : File_Name_Type);
  49    --  Parse a preprocessing data file, specified with a -gnatep= switch
  50
  51    procedure Prepare_To_Preprocess
  52      (Source               : File_Name_Type;
  53       Preprocessing_Needed : out Boolean);
  54    --  Prepare, if necessary, the preprocessor for a source file.
  55    --  If the source file needs to be preprocessed, Preprocessing_Needed
  56    --  is set to True. Otherwise, Preprocessing_Needed is set to False
  57    --  and no preprocessing needs to be done.
  58
  59    procedure Process_Command_Line_Symbol_Definitions;
  60    --  Check symbol definitions that have been added by calls to procedure
  61    --  Add_Symbol_Definition and stored as pointers to string, and put them in
  62    --  a table. The reason the definitions were stored as pointer to strings is
  63    --  that the name table is not yest initialized when we process the command
  64    --  line switches. These symbol definitions will be later used in
  65    --  the call to Prepare_To_Preprocess.
  66
  67 end Prepcomp;