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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- F M A P --
-- --
-- S p e c --
-- --
-- Copyright (C) 2001-2018, 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 (nonexistent 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;
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