New Language: Ada

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45954 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 125 insertions, 0 deletions

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+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUNTIME COMPONENTS                          --
+--                                                                          --
+--                               D E C . I O                                --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--                            $Revision: 1.2 $
+--                                                                          --
+--          Copyright (C) 1996-2001 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). --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This is an AlphaVMS package that contains the declarations and
+--  function specifications needed by the DECLib IO packages.
+
+with System.Task_Primitives;
+package DEC.IO is
+private
+
+   type Exception_Number is (
+     GNAT_EN_LOCK_ERROR,
+     GNAT_EN_EXISTENCE_ERROR,
+     GNAT_EN_KEY_ERROR,
+     GNAT_EN_KEYSIZERR,
+     GNAT_EN_STAOVF,
+     GNAT_EN_CONSTRAINT_ERRO,
+     GNAT_EN_IOSYSFAILED,
+     GNAT_EN_LAYOUT_ERROR,
+     GNAT_EN_STORAGE_ERROR,
+     GNAT_EN_DATA_ERROR,
+     GNAT_EN_DEVICE_ERROR,
+     GNAT_EN_END_ERROR,
+     GNAT_EN_MODE_ERROR,
+     GNAT_EN_NAME_ERROR,
+     GNAT_EN_STATUS_ERROR,
+     GNAT_EN_NOT_OPEN,
+     GNAT_EN_ALREADY_OPEN,
+     GNAT_EN_USE_ERROR,
+     GNAT_EN_UNSUPPORTED,
+     GNAT_EN_FAC_MODE_MISMAT,
+     GNAT_EN_ORG_MISMATCH,
+     GNAT_EN_RFM_MISMATCH,
+     GNAT_EN_RAT_MISMATCH,
+     GNAT_EN_MRS_MISMATCH,
+     GNAT_EN_MRN_MISMATCH,
+     GNAT_EN_KEY_MISMATCH,
+     GNAT_EN_MAXLINEXC,
+     GNAT_EN_LINEXCMRS);
+
+   for Exception_Number'Size use 32;
+
+   for Exception_Number use (
+     GNAT_EN_LOCK_ERROR => 1,
+     GNAT_EN_EXISTENCE_ERROR => 2,
+     GNAT_EN_KEY_ERROR => 3,
+     GNAT_EN_KEYSIZERR => 4,
+     GNAT_EN_STAOVF => 5,
+     GNAT_EN_CONSTRAINT_ERRO => 6,
+     GNAT_EN_IOSYSFAILED => 7,
+     GNAT_EN_LAYOUT_ERROR => 8,
+     GNAT_EN_STORAGE_ERROR => 9,
+     GNAT_EN_DATA_ERROR => 10,
+     GNAT_EN_DEVICE_ERROR => 11,
+     GNAT_EN_END_ERROR => 12,
+     GNAT_EN_MODE_ERROR => 13,
+     GNAT_EN_NAME_ERROR => 14,
+     GNAT_EN_STATUS_ERROR => 15,
+     GNAT_EN_NOT_OPEN => 16,
+     GNAT_EN_ALREADY_OPEN => 17,
+     GNAT_EN_USE_ERROR => 18,
+     GNAT_EN_UNSUPPORTED => 19,
+     GNAT_EN_FAC_MODE_MISMAT => 20,
+     GNAT_EN_ORG_MISMATCH => 21,
+     GNAT_EN_RFM_MISMATCH => 22,
+     GNAT_EN_RAT_MISMATCH => 23,
+     GNAT_EN_MRS_MISMATCH => 24,
+     GNAT_EN_MRN_MISMATCH => 25,
+     GNAT_EN_KEY_MISMATCH => 26,
+     GNAT_EN_MAXLINEXC => 27,
+     GNAT_EN_LINEXCMRS => 28);
+
+   procedure Raise_IO_Exception (EN : Exception_Number);
+   pragma Export_Procedure (Raise_IO_Exception, "GNAT$RAISE_IO_EXCEPTION",
+      Mechanism => Value);
+
+   package IO_Locking is
+      type Access_Mutex is private;
+      function Create_Mutex return Access_Mutex;
+      procedure Acquire (M : Access_Mutex);
+      procedure Release (M : Access_Mutex);
+
+   private
+      type Access_Mutex is access System.Task_Primitives.RTS_Lock;
+      pragma Export_Function (Create_Mutex, "GNAT$CREATE_MUTEX",
+          Mechanism => Value);
+      pragma Export_Procedure (Acquire, "GNAT$ACQUIRE_MUTEX",
+          Mechanism => Value);
+      pragma Export_Procedure (Release, "GNAT$RELEASE_MUTEX",
+          Mechanism => Value);
+   end IO_Locking;
+
+end DEC.IO;