gcc/ada/impunit.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                              I M P U N I T                               --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --             Copyright (C) 2000 Free Software Foundation, Inc.            --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  20 -- MA 02111-1307, USA.                                                      --
  21 --                                                                          --
  22 -- GNAT was originally developed  by the GNAT team at  New York University. --
  23 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  24 --                                                                          --
  25 ------------------------------------------------------------------------------
  26
  27 --  This package contains data and functions used to determine if a given
  28 --  unit is an internal unit intended only for use by the implementation
  29 --  and which should not be directly WITH'ed by user code.
  30
  31 with Types; use Types;
  32
  33 package Impunit is
  34
  35    function Implementation_Unit (U : Unit_Number_Type) return Boolean;
  36    --  Given the unit number of a unit, this function determines if it is a
  37    --  unit that is intended to be used only internally by the implementation.
  38    --  This is used for posting warnings for improper WITH's of such units
  39    --  (such WITH's are allowed without warnings only in GNAT_Mode set by
  40    --  the use of -gnatg). True is returned if a warning should be posted.
  41
  42 end Impunit;