+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- S Y S T E M . V A L _ C H A R --
--- --
--- B o d y --
--- --
--- $Revision: 1.1.16.2 $
--- --
--- Copyright (C) 1992,1993,1994 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. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
-with System.Val_Util; use System.Val_Util;
-
-package body System.Val_Char is
-
- ---------------------
- -- Value_Character --
- ---------------------
-
- function Value_Character (Str : String) return Character is
- F : Natural;
- L : Natural;
- S : String (Str'Range) := Str;
-
- begin
- Normalize_String (S, F, L);
-
- -- Accept any single character enclosed in quotes
-
- if L - F = 2 and then S (F) = ''' and then S (L) = ''' then
- return Character'Val (Character'Pos (S (F + 1)));
-
- -- Check control character cases
-
- else
- for C in Character'Val (16#00#) .. Character'Val (16#1F#) loop
- if S (F .. L) = Character'Image (C) then
- return C;
- end if;
- end loop;
-
- for C in Character'Val (16#7F#) .. Character'Val (16#9F#) loop
- if S (F .. L) = Character'Image (C) then
- return C;
- end if;
- end loop;
-
- raise Constraint_Error;
- end if;
-
- end Value_Character;
-
-end System.Val_Char;
projects / msp430-gcc.git / blobdiff