gcc/ada/fmap.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                                 F M A P                                  --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --                                                                          --
  10 --            Copyright (C) 2001, Free Software Foundation, Inc.            --
  11 --                                                                          --
  12 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  15 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  18 -- for  more details.  You should have  received  a copy of the GNU General --
  19 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  20 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  21 -- MA 02111-1307, USA.                                                      --
  22 --                                                                          --
  23 -- GNAT was originally developed  by the GNAT team at  New York University. --
  24 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  25 --                                                                          --
  26 ------------------------------------------------------------------------------
  27
  28 --  This package keeps two mappings: from unit names to file names,
  29 --  and from file names to path names.
  30
  31 with Types; use Types;
  32
  33 package Fmap is
  34
  35    procedure Initialize (File_Name : String);
  36    --  Initialize the mappings from the mapping file File_Name.
  37    --  If the mapping file is incorrect (non existent file, truncated file,
  38    --  duplicate entries), output a warning and do not initialize the mappings.
  39    --  Record the state of the mapping tables in case Update is called
  40    --  later on.
  41
  42    function Mapped_Path_Name (File : File_Name_Type) return File_Name_Type;
  43    --  Return the path name mapped to the file name File.
  44    --  Return No_File if File is not mapped.
  45
  46    function Mapped_File_Name (Unit : Unit_Name_Type) return File_Name_Type;
  47    --  Return the file name mapped to the unit name Unit.
  48    --  Return No_File if Unit is not mapped.
  49
  50    procedure Add_To_File_Map
  51      (Unit_Name : Unit_Name_Type;
  52       File_Name : File_Name_Type;
  53       Path_Name : File_Name_Type);
  54    --  Add mapping of Unit_Name to File_Name and of File_Name to Path_Name
  55
  56    procedure Update_Mapping_File (File_Name : String);
  57    --  If Add_To_File_Map has been called (after Initialize or any time
  58    --  if Initialize has not been called), append the new entries to the
  59    --  to the mapping file.
  60    --  What is the significance of the parameter File_Name ???
  61
  62 end Fmap;