llvm-gcc-4.2/gcc/testsuite/ada/acats/tests/a/a2a031a.ada

-- A2A031A.ADA

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--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 
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--                                    DISCLAIMER
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--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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--*
-- CHECK THAT AN EXCLAMATION MARK CAN REPLACE A VERTICAL BAR WHEN THE
-- VERTICAL BAR IS USED AS A SEPARATOR.

-- CONTEXTS ARE:
--   AS A CHOICE IN A VARIANT PART
--   IN A DISCRIMINANT CONSTRAINT
--   IN A CASE STATEMENT CHOICE
--   IN AN AGGREGATE
--   IN AN EXCEPTION HANDLER.

-- JBG 5/25/85

WITH REPORT; USE REPORT;
PROCEDURE A2A031A IS

     TYPE ENUM IS (E1, E2, E3);
     TYPE REC (A, B : ENUM) IS
          RECORD
               C : INTEGER;
               CASE A IS
                    WHEN E1 ! E2 =>     -- CHOICE OF VARIANT.
                         D : INTEGER;
                    WHEN E3 =>
                         E : FLOAT;
               END CASE;
          END RECORD;

     EX1, EX2, EX3 : EXCEPTION;

     VAR  : REC (A!B => E2);            -- DISCRIMINANT CONSTRAINT.

     EVAR : ENUM := E2;

BEGIN

     TEST ("A2A031A", "CHECK USE OF ! AS SEPARATOR IN PLACE OF |");

     CASE EVAR IS
          WHEN E3 => NULL;
          WHEN E2!E1 => NULL;           -- CASE STATEMENT CHOICE.
     END CASE;

     VAR := (A!B => E2, C ! D => 0);    -- AGGREGATE.

     RESULT;
EXCEPTION
     WHEN EX1!EX2 ! EX3 => NULL;        -- EXCEPTION HANDLER.
END A2A031A;