New Language: Ada

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45953 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 100 insertions, 0 deletions

diff --git a/gcc/ada/a-comlin.adb b/gcc/ada/a-comlin.adb
new file mode 100644
index 00000000000..611f625ca96
--- /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;