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+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- I N T E R F A C E S . F O R T R A N --
+-- --
+-- B o d y --
+-- --
+-- Copyright (C) 1992-2009, 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 3, 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. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
+-- --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+package body Interfaces.Fortran is
+
+ ------------
+ -- To_Ada --
+ ------------
+
+ -- Single character case
+
+ function To_Ada (Item : Character_Set) return Character is
+ begin
+ return Character (Item);
+ end To_Ada;
+
+ -- String case (function returning converted result)
+
+ function To_Ada (Item : Fortran_Character) return String is
+ T : String (1 .. Item'Length);
+
+ begin
+ for J in T'Range loop
+ T (J) := Character (Item (J - 1 + Item'First));
+ end loop;
+
+ return T;
+ end To_Ada;
+
+ -- String case (procedure copying converted string to given buffer)
+
+ procedure To_Ada
+ (Item : Fortran_Character;
+ Target : out String;
+ Last : out Natural)
+ is
+ begin
+ if Item'Length = 0 then
+ Last := 0;
+ return;
+
+ elsif Target'Length = 0 then
+ raise Constraint_Error;
+
+ else
+ Last := Target'First - 1;
+
+ for J in Item'Range loop
+ Last := Last + 1;
+
+ if Last > Target'Last then
+ raise Constraint_Error;
+ else
+ Target (Last) := Character (Item (J));
+ end if;
+ end loop;
+ end if;
+ end To_Ada;
+
+ ----------------
+ -- To_Fortran --
+ ----------------
+
+ -- Character case
+
+ function To_Fortran (Item : Character) return Character_Set is
+ begin
+ return Character_Set (Item);
+ end To_Fortran;
+
+ -- String case (function returning converted result)
+
+ function To_Fortran (Item : String) return Fortran_Character is
+ T : Fortran_Character (1 .. Item'Length);
+
+ begin
+ for J in T'Range loop
+ T (J) := Character_Set (Item (J - 1 + Item'First));
+ end loop;
+
+ return T;
+ end To_Fortran;
+
+ -- String case (procedure copying converted string to given buffer)
+
+ procedure To_Fortran
+ (Item : String;
+ Target : out Fortran_Character;
+ Last : out Natural)
+ is
+ begin
+ if Item'Length = 0 then
+ Last := 0;
+ return;
+
+ elsif Target'Length = 0 then
+ raise Constraint_Error;
+
+ else
+ Last := Target'First - 1;
+
+ for J in Item'Range loop
+ Last := Last + 1;
+
+ if Last > Target'Last then
+ raise Constraint_Error;
+ else
+ Target (Last) := Character_Set (Item (J));
+ end if;
+ end loop;
+ end if;
+ end To_Fortran;
+
+end Interfaces.Fortran;