From d23b8f573b3dcbfc04d13387885059de809aec50 Mon Sep 17 00:00:00 2001 From: Richard Kenner Date: Tue, 2 Oct 2001 09:55:47 -0400 Subject: New Language: Ada From-SVN: r45953 --- gcc/ada/a-comlin.adb | 100 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 gcc/ada/a-comlin.adb (limited to 'gcc/ada/a-comlin.adb') diff --git a/gcc/ada/a-comlin.adb b/gcc/ada/a-comlin.adb new file mode 100644 index 0000000..611f625 --- /dev/null +++ b/gcc/ada/a-comlin.adb @@ -0,0 +1,100 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUNTIME COMPONENTS -- +-- -- +-- A D A . C O M M A N D _ L I N E -- +-- -- +-- B o d y -- +-- -- +-- $Revision: 1.12 $ +-- -- +-- Copyright (C) 1992-2001 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, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- +-- -- +------------------------------------------------------------------------------ + +with System; +package body Ada.Command_Line is + + function Arg_Count return Natural; + pragma Import (C, Arg_Count, "__gnat_arg_count"); + + procedure Fill_Arg (A : System.Address; Arg_Num : Integer); + pragma Import (C, Fill_Arg, "__gnat_fill_arg"); + + function Len_Arg (Arg_Num : Integer) return Integer; + pragma Import (C, Len_Arg, "__gnat_len_arg"); + + -------------- + -- Argument -- + -------------- + + function Argument (Number : in Positive) return String is + Num : Positive; + + begin + if Number > Argument_Count then + raise Constraint_Error; + end if; + + if Remove_Args = null then + Num := Number; + else + Num := Remove_Args (Number); + end if; + + declare + Arg : aliased String (1 .. Len_Arg (Num)); + + begin + Fill_Arg (Arg'Address, Num); + return Arg; + end; + end Argument; + + -------------------- + -- Argument_Count -- + -------------------- + + function Argument_Count return Natural is + begin + if Remove_Args = null then + return Arg_Count - 1; + else + return Remove_Count; + end if; + end Argument_Count; + + ------------------ + -- Command_Name -- + ------------------ + + function Command_Name return String is + Arg : aliased String (1 .. Len_Arg (0)); + + begin + Fill_Arg (Arg'Address, 0); + return Arg; + end Command_Name; + +end Ada.Command_Line; -- cgit v1.1