gcc/ada/butil.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                                B U T I L                                 --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --                            $Revision: 1.1 $
  10 --                                                                          --
  11 --          Copyright (C) 1992-2001 Free Software Foundation, Inc.          --
  12 --                                                                          --
  13 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  14 -- terms of the  GNU General Public License as published  by the Free Soft- --
  15 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  16 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  17 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  18 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  19 -- for  more details.  You should have  received  a copy of the GNU General --
  20 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  21 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  22 -- MA 02111-1307, USA.                                                      --
  23 --                                                                          --
  24 -- GNAT was originally developed  by the GNAT team at  New York University. --
  25 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  26 --                                                                          --
  27 ------------------------------------------------------------------------------
  28
  29 with Types; use Types;
  30
  31 package Butil is
  32
  33 --  This package contains utility routines for the binder
  34
  35    function Is_Predefined_Unit return Boolean;
  36    --  Given a unit name stored in Name_Buffer with length in Name_Len,
  37    --  returns True if this is the name of a predefined unit or a child of
  38    --  a predefined unit (including the obsolescent renamings). This is used
  39    --  in the preference selection (see Better_Choice in body of Binde).
  40
  41    function Is_Internal_Unit return Boolean;
  42    --  Given a unit name stored in Name_Buffer with length in Name_Len,
  43    --  returns True if this is the name of an internal unit or a child of
  44    --  an internal. Similar in usage to Is_Predefined_Unit.
  45
  46    --  Note: the following functions duplicate functionality in Uname, but
  47    --  we want to avoid bringing Uname into the binder since it generates
  48    --  to many unnecessary dependencies, and makes the binder too large.
  49
  50    function Uname_Less (U1, U2 : Unit_Name_Type) return Boolean;
  51    --  Determines if the unit name U1 is alphabetically before U2
  52
  53    procedure Get_Unit_Name_String (U : Unit_Name_Type);
  54    --  Compute unit name with (body) or (spec) after as required. On return
  55    --  the result is stored in Name_Buffer and Name_Len is the length.
  56
  57    procedure Write_Unit_Name (U : Unit_Name_Type);
  58    --  Output unit name with (body) or (spec) after as required. On return
  59    --  Name_Len is set to the number of characters which were output.
  60
  61 end Butil;