| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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: 1.6 $ -- |
| -- -- |
| -- 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. -- |
| -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| 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; |
