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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [ada/] [fmap.ads] - Blame information for rev 281

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1 281 jeremybenn
------------------------------------------------------------------------------
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--                                                                          --
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--                         GNAT COMPILER COMPONENTS                         --
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--                                                                          --
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--                                 F M A P                                  --
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--                                                                          --
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--                                 S p e c                                  --
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--                                                                          --
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--          Copyright (C) 2001-2009, Free Software Foundation, Inc.         --
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--                                                                          --
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-- GNAT is free software;  you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
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-- for  more details.  You should have  received  a copy of the GNU General --
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-- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
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-- http://www.gnu.org/licenses for a complete copy of the license.          --
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--                                                                          --
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-- GNAT was originally developed  by the GNAT team at  New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc.      --
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--                                                                          --
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------------------------------------------------------------------------------
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--  This package keeps two mappings: from unit names to file names,
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--  and from file names to path names.
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--
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--  This mapping is used to communicate between the builder (gnatmake or
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--  gprbuild) and the compiler. The format of this mapping file is the
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--  following:
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--  For each source file, there are three lines in the mapping file:
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--    Unit name with %b or %s added depending on whether it is a body or a spec
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--              This line is omitted for file-based languages
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--    File name
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--    Path name (set to '/' if the file should be ignored in fact, ie for
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--               a Locally_Removed_File in a project)
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with Namet; use Namet;
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package Fmap is
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   procedure Initialize (File_Name : String);
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   --  Initialize the mappings from the mapping file File_Name.
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   --  If the mapping file is incorrect (non existent file, truncated file,
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   --  duplicate entries), output a warning and do not initialize the mappings.
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   --  Record the state of the mapping tables in case Update is called
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   --  later on.
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   function Mapped_Path_Name (File : File_Name_Type) return File_Name_Type;
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   --  Return the path name mapped to the file name File.
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   --  Return No_File if File is not mapped.
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   function Mapped_File_Name (Unit : Unit_Name_Type) return File_Name_Type;
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   --  Return the file name mapped to the unit name Unit.
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   --  Return No_File if Unit is not mapped.
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   --  Return Error_Name if it is forbidden.
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   procedure Add_To_File_Map
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     (Unit_Name : Unit_Name_Type;
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      File_Name : File_Name_Type;
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      Path_Name : File_Name_Type);
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   --  Add mapping of Unit_Name to File_Name and of File_Name to Path_Name
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   procedure Update_Mapping_File (File_Name : String);
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   --  If Add_To_File_Map has been called (after Initialize or any time
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   --  if Initialize has not been called), append the new entries to the
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   --  mapping file whose file name is File_Name.
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   procedure Reset_Tables;
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   --  Initialize all the internal data structures. This procedure is used
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   --  when several compilations are performed by the same process (by GNSA
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   --  for ASIS, for example) to remove any existing mappings from a previous
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   --  compilation.
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   procedure Add_Forbidden_File_Name (Name : File_Name_Type);
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   --  Indicate that a source file name is forbidden. This is used when there
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   --  are excluded sources in projects (attributes Excluded_Source_Files or
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   --  Locally_Removed_Files).
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end Fmap;

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