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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S W I T C H - M --
-- --
-- S p e c --
-- --
-- Copyright (C) 2001 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 2, 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 COPYING. If not, write --
-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
-- Boston, MA 02110-1301, USA. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- This package scans make switches. Note that the body of Usage must 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 GNAT.OS_Lib; use GNAT.OS_Lib;
package Switch.M is
procedure Scan_Make_Switches (Switch_Chars : String);
-- Procedures to scan out binder 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 is encountered.
procedure Normalize_Compiler_Switches
(Switch_Chars : String;
Switches : in out Argument_List_Access;
Last : out Natural);
-- Takes a compiler switch which potentially is equivalent to more
-- that one simple switches and returns the equivalent list of simple
-- switches that are stored in an ALI file. Switches will be extended
-- if initially null or too short. Last indicates the index in Switches
-- of the last simple switch. Last is equal to zero, if it has been
-- determined that Switch_Chars is ill-formed or does not contain any
-- switch that should be stored in an ALI file. Otherwise, the list of
-- simple switches is Switches (Switches'First .. Last).
--
-- Example: if Switch_Chars is equal to "-gnatAwue", then the list of
-- simple switches will have 3 components: -gnatA, -gnatwu, -gnatwe.
--
-- The String_Access components of Switches should not be deallocated:
-- they are shallow copies of components in a table in the body.
function Normalize_Compiler_Switches
(Switch_Chars : String)
return Argument_List;
-- Similar to the previous procedure. The return value is the list of
-- simple switches. It may be an empty array if it has been determined
-- that Switch_Chars is ill-formed or does not contain any switch that
-- should be stored in an ALI file. The String_Access components of the
-- returned value should not be deallocated.
end Switch.M;
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