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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/ada/fname-sf.ads
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+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- F N A M E . S F --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1992-2007, 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 child package contains a routine to read and process Source_File_Name
+-- pragmas from the gnat.adc file in the current directory. In order to use
+-- the routines in package Fname.UF, it is required that Source_File_Name
+-- pragmas be processed. There are two places where such processing takes
+-- place:
+
+-- The compiler front end (par-prag.adb), which is the general circuit
+-- for processing all pragmas, including Source_File_Name.
+
+-- The stand alone routine in this unit, which is convenient to use
+-- from tools that do not want to include the compiler front end.
+
+-- Note that this unit does depend on several of the compiler front-end
+-- sources, including osint. If it is necessary to scan source file name
+-- pragmas with less dependence on such sources, look at unit SFN_Scan.
+
+package Fname.SF is
+
+ procedure Read_Source_File_Name_Pragmas;
+ -- This procedure is called to read the gnat.adc file and process any
+ -- Source_File_Name pragmas contained in this file. All other pragmas
+ -- are ignored. The result is appropriate calls to routines in the
+ -- package Fname.UF to register the pragmas so that subsequent calls
+ -- to Get_File_Name work correctly.
+ --
+ -- Note: The caller must have made an appropriate call to the
+ -- Osint.Initialize routine to initialize Osint before calling
+ -- this procedure.
+ --
+ -- If a syntax error is detected while scanning the gnat.adc file,
+ -- then the exception SFN_Scan.Syntax_Error_In_GNAT_ADC is raised
+ -- and SFN_Scan.Cursor contains the approximate index relative to
+ -- the start of the gnat.adc file of the error.
+
+end Fname.SF;