FSF GCC merge 02/23/03
[official-gcc.git] / gcc / ada / butil.ads
blob1fc730a2f44fa9fb76e7f9c8c62dc5a0ae01bfe4
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- B U T I L --
6 -- --
7 -- S p e c --
8 -- --
9 -- --
10 -- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
11 -- --
12 -- GNAT is free software; you can redistribute it and/or modify it under --
13 -- terms of the GNU General Public License as published by the Free Soft- --
14 -- ware Foundation; either version 2, or (at your option) any later ver- --
15 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
16 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
17 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
18 -- for more details. You should have received a copy of the GNU General --
19 -- Public License distributed with GNAT; see file COPYING. If not, write --
20 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
21 -- MA 02111-1307, USA. --
22 -- --
23 -- GNAT was originally developed by the GNAT team at New York University. --
24 -- Extensive contributions were provided by Ada Core Technologies Inc. --
25 -- --
26 ------------------------------------------------------------------------------
28 with Types; use Types;
30 package Butil is
32 -- This package contains utility routines for the binder
34 function Is_Predefined_Unit return Boolean;
35 -- Given a unit name stored in Name_Buffer with length in Name_Len,
36 -- returns True if this is the name of a predefined unit or a child of
37 -- a predefined unit (including the obsolescent renamings). This is used
38 -- in the preference selection (see Better_Choice in body of Binde).
40 function Is_Internal_Unit return Boolean;
41 -- Given a unit name stored in Name_Buffer with length in Name_Len,
42 -- returns True if this is the name of an internal unit or a child of
43 -- an internal. Similar in usage to Is_Predefined_Unit.
45 -- Note: the following functions duplicate functionality in Uname, but
46 -- we want to avoid bringing Uname into the binder since it generates
47 -- to many unnecessary dependencies, and makes the binder too large.
49 function Uname_Less (U1, U2 : Unit_Name_Type) return Boolean;
50 -- Determines if the unit name U1 is alphabetically before U2
52 procedure Get_Unit_Name_String (U : Unit_Name_Type);
53 -- Compute unit name with (body) or (spec) after as required. On return
54 -- the result is stored in Name_Buffer and Name_Len is the length.
56 procedure Write_Unit_Name (U : Unit_Name_Type);
57 -- Output unit name with (body) or (spec) after as required. On return
58 -- Name_Len is set to the number of characters which were output.
60 end Butil;