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-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- F M A P --
--- --
--- S p e c --
--- --
--- Copyright (C) 2001-2012, 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. --
--- --
-------------------------------------------------------------------------------
-
--- This package keeps two mappings: from unit names to file names,
--- and from file names to path names.
---
--- This mapping is used to communicate between the builder (gnatmake or
--- gprbuild) and the compiler. The format of this mapping file is the
--- following:
--- For each source file, there are three lines in the mapping file:
--- Unit name with %b or %s added depending on whether it is a body or a spec
--- This line is omitted for file-based languages
--- File name
--- Path name (set to '/' if the file should be ignored in fact, ie for
--- a Locally_Removed_File in a project)
-
-with Namet; use Namet;
-
-package Fmap is
-
- procedure Initialize (File_Name : String);
- -- Initialize the mappings from the mapping file File_Name.
- -- If the mapping file is incorrect (non existent file, truncated file,
- -- duplicate entries), output a warning and do not initialize the mappings.
- -- Record the state of the mapping tables in case Update is called
- -- later on.
-
- function Mapped_Path_Name (File : File_Name_Type) return File_Name_Type;
- -- Return the path name mapped to the file name File.
- -- Return No_File if File is not mapped.
-
- function Mapped_File_Name (Unit : Unit_Name_Type) return File_Name_Type;
- -- Return the file name mapped to the unit name Unit.
- -- Return No_File if Unit is not mapped.
- -- Return Error_Name if it is forbidden.
-
- procedure Add_To_File_Map
- (Unit_Name : Unit_Name_Type;
- File_Name : File_Name_Type;
- Path_Name : File_Name_Type);
- -- Add mapping of Unit_Name to File_Name and of File_Name to Path_Name
-
- procedure Update_Mapping_File (File_Name : String);
- -- If Add_To_File_Map has been called (after Initialize or any time
- -- if Initialize has not been called), append the new entries to the
- -- mapping file whose file name is File_Name.
-
- procedure Reset_Tables;
- -- Initialize all the internal data structures. This procedure is used
- -- when several compilations are performed by the same process (by GNSA
- -- for ASIS, for example) to remove any existing mappings from a previous
- -- compilation.
-
- procedure Add_Forbidden_File_Name (Name : File_Name_Type);
- -- Indicate that a source file name is forbidden. This is used when there
- -- are excluded sources in projects (attributes Excluded_Source_Files or
- -- Locally_Removed_Files).
-
-end Fmap;