-- B49011A.ADA

--                             Grant of Unlimited Rights
--
--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 
--     unlimited rights in the software and documentation contained herein.
--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making 
--     this public release, the Government intends to confer upon all 
--     recipients unlimited rights  equal to those held by the Government.  
--     These rights include rights to use, duplicate, release or disclose the 
--     released technical data and computer software in whole or in part, in 
--     any manner and for any purpose whatsoever, and to have or permit others 
--     to do so.
--
--                                    DISCLAIMER
--
--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 
--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 
--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
--     PARTICULAR PURPOSE OF SAID MATERIAL.
--*
-- CHECK THAT A STATIC SUBTYPE CANNOT BE A GENERIC FORMAL TYPE, A
-- SUBTYPE OF A GENERIC FORMAL TYPE, OR A TYPE DERIVED INDIRECTLY
-- FROM A GENERIC FORMAL TYPE.

-- L.BROWN  09/19/86

PROCEDURE  B49011A  IS

     TYPE ENUM IS (RED,GREEN,BLUE,BLACK);
     TYPE FT IS DIGITS 5 RANGE 0.0 .. 25.0;
     TYPE FX IS DELTA 3.0 RANGE 0.0 .. 25.0;

     GENERIC
          TYPE R IS DIGITS <>;
          TYPE T IS RANGE <>;
     PACKAGE PACK IS
          SUBTYPE NR IS R RANGE R'FIRST .. R'LAST;
          SUBTYPE NT IS T RANGE 1 .. 10;
          TYPE INT IS RANGE 1 .. NT'(10);                  -- ERROR: NT.
          TYPE FLT IS DIGITS NR'DIGITS;                    -- ERROR: NR.
     END PACK;

     GENERIC
          TYPE T IS (<>);
     FUNCTION FUN RETURN T;
     FUNCTION FUN RETURN T IS
          TYPE S IS NEW T;
          SUBTYPE SS IS S RANGE S'FIRST .. S'PRED(S'LAST);
          XS : CONSTANT := S'POS(S'FIRST);                 -- ERROR: S.
          XT : CONSTANT := T'POS(T'LAST);                  -- ERROR: T.
          XY : CONSTANT := SS'POS(SS'FIRST);               -- ERROR: SS.
     BEGIN
          RETURN T'FIRST;
     END FUN;

     GENERIC
          TYPE FXT IS DELTA <>;
     PROCEDURE PROC;
     PROCEDURE PROC IS
          TYPE F IS NEW FXT;
          TYPE FTX IS NEW F;
          SUBTYPE SFTX IS FTX RANGE FTX'FIRST .. FTX'LAST;
          TYPE X IS DIGITS 5 RANGE SFTX'FIRST .. 10.0;     -- ERROR:
                                                           --    SFTX.
          TYPE FTX1 IS DELTA FTX'(1.0) RANGE 0.0 .. 10.0;  -- ERROR:
                                                           --     FTX.
          TYPE XS IS DELTA 0.25 RANGE 0.0 .. F'LAST;       -- ERROR: F.
          TYPE FXOT IS DELTA FXT'(1.0) RANGE 0.0 .. 10.0;  -- ERROR:
                                                           --     FXT.
     BEGIN
          NULL;
     END PROC;

     PACKAGE PACK1 IS NEW PACK(FT,INTEGER);
     FUNCTION FUN2 IS NEW FUN(ENUM);
     PROCEDURE PROC2 IS NEW PROC(FX);

BEGIN
     NULL;
END B49011A;