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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S W I T C H - C --
-- --
-- S p e c --
-- --
-- Copyright (C) 2001-2022, 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 scans front end switches. Note that the body of Usage must be
-- be coordinated with the switches that are recognized by this package.
-- The Usage package also acts as the official documentation for the switches
-- that are recognized. In addition, package Debug documents the otherwise
-- undocumented debug switches that are also recognized.
with System.Strings; use System.Strings;
package Switch.C is
procedure Scan_Front_End_Switches
(Switch_Chars : String;
Args : String_List;
Arg_Rank : Positive);
-- Procedures to scan out front end switches stored in the given string.
-- The first character is known to be a valid switch character, and there
-- are no blanks or other switch terminator characters in the string, so
-- the entire string should consist of valid switch characters, except that
-- an optional terminating NUL character is allowed. A bad switch causes
-- a fatal error exit and control does not return. The call also sets
-- Usage_Requested to True if a switch -gnath is encountered.
--
-- Args is the full list of command line arguments. Arg_Rank is the
-- position of the switch in Args. It is used for certain switches -gnatx
-- to check if a subsequent switch -gnat-x cancels the switch -gnatx.
end Switch.C;
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