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1 281 jeremybenn 
------------------------------------------------------------------------------
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--                                                                          --
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--                         GNAT COMPILER COMPONENTS                         --
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--                                                                          --
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--                   I N T E R F A C E S . F O R T R A N                    --
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--                                                                          --
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--                                 B o d y                                  --
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--                                                                          --
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--          Copyright (C) 1992-2009, Free Software Foundation, Inc.         --
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--                                                                          --
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-- GNAT is free software;  you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
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--                                                                          --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception,   --
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-- version 3.1, as published by the Free Software Foundation.               --
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--                                                                          --
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-- You should have received a copy of the GNU General Public License and    --
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-- a copy of the GCC Runtime Library Exception along with this program;     --
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-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
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-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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-- GNAT was originally developed  by the GNAT team at  New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc.      --
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--                                                                          --
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------------------------------------------------------------------------------
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package body Interfaces.Fortran is
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   ------------
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   -- To_Ada --
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   ------------
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   --  Single character case
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   function To_Ada (Item : Character_Set) return Character is
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   begin
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      return Character (Item);
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   end To_Ada;
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   --  String case (function returning converted result)
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   function To_Ada (Item : Fortran_Character) return String is
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      T : String (1 .. Item'Length);
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   begin
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      for J in T'Range loop
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         T (J) := Character (Item (J - 1 + Item'First));
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      end loop;
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      return T;
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   end To_Ada;
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   --  String case (procedure copying converted string to given buffer)
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   procedure To_Ada
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     (Item   : Fortran_Character;
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      Target : out String;
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      Last   : out Natural)
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   is
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   begin
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      if Item'Length = 0 then
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         Last := 0;
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         return;
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      elsif Target'Length = 0 then
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         raise Constraint_Error;
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      else
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         Last := Target'First - 1;
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         for J in Item'Range loop
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            Last := Last + 1;
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            if Last > Target'Last then
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               raise Constraint_Error;
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            else
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               Target (Last) := Character (Item (J));
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            end if;
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         end loop;
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      end if;
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   end To_Ada;
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   ----------------
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   -- To_Fortran --
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   ----------------
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   --  Character case
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   function To_Fortran (Item : Character) return Character_Set is
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   begin
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      return Character_Set (Item);
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   end To_Fortran;
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   --  String case (function returning converted result)
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   function To_Fortran (Item : String) return Fortran_Character is
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      T : Fortran_Character (1 .. Item'Length);
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   begin
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      for J in T'Range loop
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         T (J) := Character_Set (Item (J - 1 + Item'First));
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      end loop;
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      return T;
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   end To_Fortran;
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   --  String case (procedure copying converted string to given buffer)
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   procedure To_Fortran
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     (Item   : String;
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      Target : out Fortran_Character;
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      Last   : out Natural)
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   is
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   begin
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      if Item'Length = 0 then
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         Last := 0;
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         return;
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      elsif Target'Length = 0 then
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         raise Constraint_Error;
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      else
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         Last := Target'First - 1;
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         for J in Item'Range loop
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            Last := Last + 1;
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            if Last > Target'Last then
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               raise Constraint_Error;
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            else
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               Target (Last) := Character_Set (Item (J));
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            end if;
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         end loop;
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      end if;
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   end To_Fortran;
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end Interfaces.Fortran;

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