Subversion Repositories openrisc

-- C87B45A.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 OVERLOADING RESOLUTION USES THE RULE THAT:

--

-- FOR A DEFAULT SUBPROGRAM PARAMETER, THE TYPE OF THE INITIALIZATION

-- EXPRESSION MUST MATCH THE PARAMETERS'S EXPLICIT TYPEMARK.

--      

-- THE FOUR KINDS OF EXPRESSIONS TESTED HERE ARE:

-- 

--    (A): A CALL TO AN OVERLOADED FUNCTION.

--    (B): AN OVERLOADED OPERATOR SYMBOL.

--    (C): AN OVERLOADED (INFIX) OPERATOR.

--    (D): AN OVERLOADED ENUMERATION LITERAL.

-- TRH  24 JUNE 82

WITH REPORT; USE REPORT;

PROCEDURE C87B45A IS

     TYPE WHOLE  IS NEW INTEGER RANGE 0..INTEGER'LAST;

     TYPE CITRUS IS (LEMON, LIME, ORANGE);

     TYPE HUE    IS (RED, ORANGE, YELLOW);

     FUNCTION F1 (X, Y : INTEGER) RETURN INTEGER IS

     BEGIN

          RETURN -1;

     END F1;

     FUNCTION F1 (X, Y : WHOLE) RETURN WHOLE IS

     BEGIN

          RETURN 0;

     END F1;

     FUNCTION F1 (X, Y : INTEGER) RETURN HUE IS

     BEGIN

          RETURN ORANGE;

     END F1;

     FUNCTION F1 (X, Y : INTEGER) RETURN CITRUS IS

     BEGIN

          RETURN ORANGE;

     END F1;

BEGIN

     TEST ("C87B45A","OVERLOADED INITIALIZATION EXPRESSIONS" &

           " IN DEFAULT SUBPROGRAM PARAMETERS");

     DECLARE

          FUNCTION "/" (X, Y : INTEGER) RETURN INTEGER

               RENAMES F1;

          FUNCTION "/" (X, Y : WHOLE)   RETURN WHOLE

               RENAMES F1;

          FUNCTION "/" (X, Y : INTEGER) RETURN HUE

               RENAMES F1;

          FUNCTION "/" (X, Y : INTEGER) RETURN CITRUS

               RENAMES F1;

          PROCEDURE P1 (I1 : INTEGER := F1  (0, 0);

                        W1 : WHOLE   := F1  (0, 0);

                        C1 : CITRUS  := F1  (0, 0);

                        H1 : HUE     := F1  (0, 0);

                        I2 : INTEGER := "/" (0, 0);

                        W2 : WHOLE   := "/" (0, 0);

                        C2 : CITRUS  := "/" (0, 0);

                        H2 : HUE     := "/" (0, 0);

                        I3 : INTEGER := (0 / 0);

                        W3 : WHOLE   := (0 / 0);

                        C3 : CITRUS  := (0 / 0);

                        H3 : HUE     := (0 / 0);

                        C4 : CITRUS  := ORANGE;

                        H4 : HUE     := ORANGE)  IS

          BEGIN

               IF I1              /= -1 OR W1           /= 0 OR

                  CITRUS'POS (C1) /=  2 OR HUE'POS (H1) /= 1 THEN

                  FAILED ("(A): RESOLUTION INCORRECT - FUNCTION CALL");

               END IF;

               IF I2              /= -1 OR W2           /= 0 OR

                  CITRUS'POS (C2) /=  2 OR HUE'POS (H2) /= 1 THEN

                  FAILED ("(B): RESOLUTION INCORRECT " &

                          "- OPERATOR SYMBOL");

               END IF;

               IF I3              /= -1 OR W3           /= 0 OR

                  CITRUS'POS (C3) /=  2 OR HUE'POS (H3) /= 1 THEN

                  FAILED ("(C): RESOLUTION INCORRECT - INFIX OPERATOR");

               END IF;

               IF CITRUS'POS (C4) /=  2 OR HUE'POS (H4) /= 1 THEN

                  FAILED ("(D): RESOLUTION INCORRECT - ENUMERATION " &

                          "LITERAL");

               END IF;

          END P1;

     BEGIN

          P1;

     END;

     RESULT;

END C87B45A;