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-------------------------------------------------------------------------------
--
-- This file is part of AdaBrowse.
--
-- <STRONG>Copyright (c) 2002 by Thomas Wolf.</STRONG>
-- <BLOCKQUOTE>
-- AdaBrowse is free software; you can redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the
-- Free Software Foundation; either version 2, or (at your option) any
-- later version. AdaBrowse is distributed in the hope that it will be
-- useful, but <EM>without any warranty</EM>; without even the implied
-- warranty of <EM>merchantability or fitness for a particular purpose.</EM>
-- See the GNU General Public License for more details. You should have
-- received a copy of the GNU General Public License with this distribution,
-- see file "<A HREF="GPL.txt">GPL.txt</A>". If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-- USA.
-- </BLOCKQUOTE>
--
-- <DL><DT><STRONG>
-- Author:</STRONG><DD>
-- Thomas Wolf (TW)
-- <ADDRESS><A HREF="mailto:twolf@acm.org">twolf@acm.org</A></ADDRESS></DL>
--
-- <DL><DT><STRONG>
-- Purpose:</STRONG><DD>
-- Handling of the -f parameter value.</DL>
--
-- <!--
-- Revision History
--
-- 02-FEB-2002 TW First release.
-- 13-MAR-2002 TW Changed to support -f @filename.
-- 26-MAR-2002 TW Added 'Set_Unit_Name': support for krunched file names.
-- 08-JUN-2003 TW Added 'Set_Input' with a file access.
-- -->
-------------------------------------------------------------------------------
pragma License (GPL);
with Ada.Text_IO;
package AD.Parameters is
Input_Error : exception;
procedure Save_Input;
procedure Set_Input
(File_Name : in String);
-- If 'File_Name' starts with '@', assumes it to be a file containing the
-- units, opens the file and set the current input unit to the first one
-- found in the file. If the File_Name is "@-" or just "-", reads the
-- input units from stdin. Otherwise, assumes 'File_Name' to be the name of
-- of the unit to process.
--
-- In both cases, a possible path or suffix in the unit name are ignored.
--
-- Raises @Input_Error@ in the first case if the file cannot be opened, or
-- doesn't contain a unit name at all.
procedure Set_Input
(File : in Ada.Text_IO.File_Access);
-- Set input to come from @File@. The file will not be closed upon @Close@!
-- Raises @Input_Error@ if the file does not contain a unit name.
function Advance_Input
return Boolean;
-- Returns True if there is a next input unit (and makes it the current
-- input unit), False if not.
function Is_File
return Boolean;
-- Returns True if the input unit names come from a file.
procedure Close;
-- If input comes from a file, close that file if it is open (and not
-- stdin).
function Source_Name
return String;
-- Returns the current source file name, including suffix, but without
-- path.
function Unit_Name
return String;
-- Returns the source name of the current input with all '-' replaced
-- by '.', and without suffix. If @Set_Unit_Name@ has been called,
-- returns whatever was set there.
procedure Set_Unit_Name
(Name : in String);
-- If we've figured out that a file 'x' contains a unit named 'y', and 'y'
-- cannot be derived from 'x', we force the unit name to 'y'.
function Path
return String;
-- If the current input name contained a path, it is returned here.
end AD.Parameters;
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