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) 2002-2007, 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 3,  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 COPYING3.  If not, go to --
  19 -- http://www.gnu.org/licenses for a complete copy of the license.          --
  20 --                                                                          --
  21 -- GNAT was originally developed  by the GNAT team at  New York University. --
  22 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  23 --                                                                          --
  24 ------------------------------------------------------------------------------
  25
  26 --  This package stores all preprocessing data for the compiler
  27
  28 with Namet; use Namet;
  29
  30 package Prepcomp is
  31
  32    procedure Add_Dependencies;
  33    --  Add dependencies on the preprocessing data file and the
  34    --  preprocessing definition files, if any.
  35
  36    procedure Add_Symbol_Definition (Def : String);
  37    --  Add a symbol definition from the command line.
  38    --  Fail if definition is illegal.
  39
  40    procedure Check_Symbols;
  41    --  Check if there are preprocessing symbols on the command line and
  42    --  set preprocessing if there are some: all files are preprocessed with
  43    --  these symbols. This procedure should not be called if there is a
  44    --  preprocessing data file specified on the command line. Procedure
  45    --  Parse_Preprocessing_Data_File should be called instead.
  46
  47    procedure Parse_Preprocessing_Data_File (N : File_Name_Type);
  48    --  Parse a preprocessing data file, specified with a -gnatep= switch
  49
  50    procedure Prepare_To_Preprocess
  51      (Source               : File_Name_Type;
  52       Preprocessing_Needed : out Boolean);
  53    --  Prepare, if necessary, the preprocessor for a source file.
  54    --  If the source file needs to be preprocessed, Preprocessing_Needed
  55    --  is set to True. Otherwise, Preprocessing_Needed is set to False
  56    --  and no preprocessing needs to be done.
  57
  58    procedure Process_Command_Line_Symbol_Definitions;
  59    --  Check symbol definitions that have been added by calls to procedure
  60    --  Add_Symbol_Definition and stored as pointers to string, and put them in
  61    --  a table. The reason the definitions were stored as pointer to strings is
  62    --  that the name table is not yest initialized when we process the command
  63    --  line switches. These symbol definitions will be later used in
  64    --  the call to Prepare_To_Preprocess.
  65
  66 end Prepcomp;