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1996-09-28
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137 lines
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- I N T E R F A C E S . F O R T R A N --
-- --
-- B o d y --
-- --
-- $Revision: 1.5 $ --
-- --
-- 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. --
-- --
------------------------------------------------------------------------------
package body Interfaces.Fortran is
------------
-- To_Ada --
------------
-- Single character case
function To_Ada (Item : in Character_Set) return Character is
begin
return Character (Item);
end To_Ada;
-- String case (function returning converted result)
function To_Ada (Item : in 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 : in 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 : in Character) return Character_Set is
begin
return Character_Set (Item);
end To_Fortran;
-- String case (function returning converted result)
function To_Fortran (Item : in 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 : in 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;