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- ------------------------------------------------------------------------------
- -- --
- -- GNAT COMPILER COMPONENTS --
- -- --
- -- S Y S T E M . V A L _ B O O L --
- -- --
- -- B o d y --
- -- --
- -- $Revision: 1.7 $ --
- -- --
- -- Copyright (c) 1992,1993,1994 NYU, All Rights Reserved --
- -- --
- -- The GNAT library is free software; you can redistribute it and/or modify --
- -- it under terms of the GNU Library General Public License as published by --
- -- the Free Software Foundation; either version 2, or (at your option) any --
- -- later version. The GNAT library is distributed in the hope that it will --
- -- be useful, but WITHOUT ANY WARRANTY; without even the implied warranty --
- -- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
- -- Library General Public License for more details. You should have --
- -- received a copy of the GNU Library General Public License along with --
- -- the GNAT library; see the file COPYING.LIB. If not, write to the Free --
- -- Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. --
- -- --
- ------------------------------------------------------------------------------
-
- with System.Val_Util; use System.Val_Util;
-
- package body System.Val_Bool is
-
- -------------------
- -- Value_Boolean --
- -------------------
-
- function Value_Boolean (Str : String) return Boolean is
- F : Natural;
- L : Natural;
- S : String (Str'Range) := Str;
-
- begin
- Normalize_String (S, F, L);
-
- if S (F .. L) = "TRUE" then
- return True;
- end if;
-
- if S (F .. L) = "FALSE" then
- return False;
- end if;
-
- raise Constraint_Error;
-
- -- Above should use elsif, but this doesn't work in GNAT version 1.81???
-
- end Value_Boolean;
-
- end System.Val_Bool;
-