143 lines
4.7 KiB
Ada
143 lines
4.7 KiB
Ada
------------------------------------------------------------------------------
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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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