gcc/ada/i-fortra.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                   I N T E R F A C E S . F O R T R A N                    --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --                            $Revision: 1.10 $
  10 --                                                                          --
  11 -- This specification is adapted from the Ada Reference Manual for use with --
  12 -- GNAT.  In accordance with the copyright of that document, you can freely --
  13 -- copy and modify this specification,  provided that if you redistribute a --
  14 -- modified version,  any changes that you have made are clearly indicated. --
  15 --                                                                          --
  16 ------------------------------------------------------------------------------
  17
  18 with Ada.Numerics.Generic_Complex_Types;
  19 pragma Elaborate_All (Ada.Numerics.Generic_Complex_Types);
  20
  21 package Interfaces.Fortran is
  22 pragma Pure (Fortran);
  23
  24    type Fortran_Integer  is new Integer;
  25    type Real             is new Float;
  26    type Double_Precision is new Long_Float;
  27
  28    type Logical is new Boolean;
  29    for Logical'Size use Integer'Size;
  30    pragma Convention (Fortran, Logical);
  31    --  As required by Fortran standard, stand alone logical allocates same
  32    --  space as integer (but what about the array case???). The convention
  33    --  is important, since in Fortran, Booleans have zero/non-zero semantics
  34    --  for False/True, and the pragma Convention (Fortran) activates the
  35    --  special handling required in this case.
  36
  37    package Single_Precision_Complex_Types is
  38       new Ada.Numerics.Generic_Complex_Types (Real);
  39
  40    type Complex is new Single_Precision_Complex_Types.Complex;
  41
  42    subtype Imaginary is Single_Precision_Complex_Types.Imaginary;
  43    i : Imaginary renames Single_Precision_Complex_Types.i;
  44    j : Imaginary renames Single_Precision_Complex_Types.j;
  45
  46    type Character_Set is new Character;
  47
  48    type Fortran_Character is array (Positive range <>) of Character_Set;
  49
  50    function To_Fortran (Item : in Character)     return Character_Set;
  51    function To_Ada     (Item : in Character_Set) return Character;
  52
  53    function To_Fortran (Item : in String)            return Fortran_Character;
  54    function To_Ada     (Item : in Fortran_Character) return String;
  55
  56    procedure To_Fortran
  57      (Item   : in String;
  58       Target : out Fortran_Character;
  59       Last   : out Natural);
  60
  61    procedure To_Ada
  62      (Item   : in Fortran_Character;
  63       Target : out String;
  64       Last   : out Natural);
  65
  66 end Interfaces.Fortran;