1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
5 -- I N T E R F A C E S . F O R T R A N --
10 -- Copyright (C) 1992,1993,1994 Free Software Foundation, Inc. --
12 -- GNAT is free software; you can redistribute it and/or modify it under --
13 -- terms of the GNU General Public License as published by the Free Soft- --
14 -- ware Foundation; either version 2, or (at your option) any later ver- --
15 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
16 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
17 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
18 -- for more details. You should have received a copy of the GNU General --
19 -- Public License distributed with GNAT; see file COPYING. If not, write --
20 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
21 -- MA 02111-1307, USA. --
23 -- As a special exception, if other files instantiate generics from this --
24 -- unit, or you link this unit with other files to produce an executable, --
25 -- this unit does not by itself cause the resulting executable to be --
26 -- covered by the GNU General Public License. This exception does not --
27 -- however invalidate any other reasons why the executable file might be --
28 -- covered by the GNU Public License. --
30 -- GNAT was originally developed by the GNAT team at New York University. --
31 -- Extensive contributions were provided by Ada Core Technologies Inc. --
33 ------------------------------------------------------------------------------
35 package body Interfaces.Fortran is
41 -- Single character case
43 function To_Ada (Item : in Character_Set) return Character is
45 return Character (Item);
48 -- String case (function returning converted result)
50 function To_Ada (Item : in Fortran_Character) return String is
51 T : String (1 .. Item'Length);
55 T (J) := Character (Item (J - 1 + Item'First));
61 -- String case (procedure copying converted string to given buffer)
64 (Item : in Fortran_Character;
69 if Item'Length = 0 then
73 elsif Target'Length = 0 then
74 raise Constraint_Error;
77 Last := Target'First - 1;
79 for J in Item'Range loop
82 if Last > Target'Last then
83 raise Constraint_Error;
85 Target (Last) := Character (Item (J));
97 function To_Fortran (Item : in Character) return Character_Set is
99 return Character_Set (Item);
102 -- String case (function returning converted result)
104 function To_Fortran (Item : in String) return Fortran_Character is
105 T : Fortran_Character (1 .. Item'Length);
108 for J in T'Range loop
109 T (J) := Character_Set (Item (J - 1 + Item'First));
115 -- String case (procedure copying converted string to given buffer)
119 Target : out Fortran_Character;
123 if Item'Length = 0 then
127 elsif Target'Length = 0 then
128 raise Constraint_Error;
131 Last := Target'First - 1;
133 for J in Item'Range loop
136 if Last > Target'Last then
137 raise Constraint_Error;
139 Target (Last) := Character_Set (Item (J));
145 end Interfaces.Fortran;