| -- C84002A.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) IF A USE CLAUSE NAMES AN ENCLOSING PACKAGE, THE USE CLAUSE |
| -- HAS NO EFFECT. |
| |
| -- B) IF A DECLARATION IS DIRECTLY VISIBLE PRIOR TO THE OCCURRENCE |
| -- OF A USE CLAUSE, AND IS NOT IN THE SET OF POTENTIALLY |
| -- VISIBLE DECLARATIONS, IT REMAINS DIRECTLY VISIBLE AFTER THE |
| -- USE CLAUSE. |
| |
| -- C) IF A HOMOGRAPH FOR A POTENTIALLY VISIBLE SUBPROGRAM OR |
| -- OBJECT IS DECLARED AFTER A USE CLAUSE, THE POTENTIALLY |
| -- VISIBLE ENTITY IS NO LONGER VISIBLE. |
| |
| -- EG 02/16/84 |
| |
| WITH REPORT; |
| |
| PROCEDURE C84002A IS |
| |
| USE REPORT; |
| |
| BEGIN |
| |
| TEST("C84002A","CHECK THAT DECLARATIONS DIRECTLY VISIBLE PRIOR " & |
| "TO THE USE CLAUSE REMAIN VISIBLE AFTERWARDS"); |
| |
| BEGIN |
| |
| COMMENT ("CASE A : CHECK THAT IF A USE CLAUSE NAMES AN " & |
| "ENCLOSING PACKAGE, THE USE CLAUSE HAS NO EFFECT"); |
| |
| CASE_A : DECLARE |
| |
| PACKAGE P1 IS |
| X : FLOAT := 1.5; |
| END P1; |
| PACKAGE P2 IS |
| X : INTEGER := 15; |
| |
| USE P1; |
| USE P2; |
| |
| A : INTEGER := X; |
| END P2; |
| PACKAGE BODY P1 IS |
| BEGIN |
| NULL; |
| END P1; |
| PACKAGE BODY P2 IS |
| BEGIN |
| IF X /= IDENT_INT(15) OR X /= P2.X OR |
| A /= P2.X THEN |
| FAILED ("CASE A : USE CLAUSE HAS AN EFFECT"); |
| END IF; |
| END P2; |
| |
| BEGIN |
| |
| NULL; |
| |
| END CASE_A; |
| |
| COMMENT ("CASE B : CHECK THAT IF A DECLARATION IS DIRECTLY " & |
| "VISIBLE PRIOR TO THE OCCURRENCE OF A USE CLAUSE, " & |
| "AND IS NOT IN THE SET OF POTENTIALLY VISIBLE " & |
| "DECLARATIONS, IT REMAINS DIRECTLY VISIBLE"); |
| |
| CASE_B : BEGIN |
| |
| CASE_B1 : DECLARE |
| |
| PACKAGE P1 IS |
| Y : FLOAT := 1.5; |
| END P1; |
| PACKAGE P2 IS |
| X : INTEGER := 15; |
| |
| USE P1; |
| |
| A : INTEGER := X; |
| END P2; |
| |
| PACKAGE BODY P1 IS |
| BEGIN |
| NULL; |
| END P1; |
| PACKAGE BODY P2 IS |
| BEGIN |
| IF X /= IDENT_INT(15) OR X /= P2.X OR |
| A /= P2.X THEN |
| FAILED ("CASE B1 : DECLARATION NO " & |
| "LONGER DIRECTLY VISIBLE"); |
| END IF; |
| END P2; |
| |
| BEGIN |
| |
| NULL; |
| |
| END CASE_B1; |
| |
| CASE_B2 : DECLARE |
| |
| PROCEDURE PROC1 (X : STRING) IS |
| BEGIN |
| NULL; |
| END PROC1; |
| |
| PACKAGE P1 IS |
| PROCEDURE PROC1 (X : STRING); |
| END P1; |
| PACKAGE BODY P1 IS |
| PROCEDURE PROC1 (X : STRING) IS |
| BEGIN |
| FAILED ("CASE B2 : WRONG PROCEDURE " & |
| "DIRECTLY VISIBLE"); |
| END PROC1; |
| END P1; |
| |
| USE P1; |
| |
| BEGIN |
| |
| PROC1 ("ABC"); |
| |
| END CASE_B2; |
| |
| CASE_B3 : DECLARE |
| |
| PROCEDURE PROC1 (X : STRING) IS |
| BEGIN |
| NULL; |
| END PROC1; |
| |
| PACKAGE P1 IS |
| PROCEDURE PROC1 (Y : STRING); |
| END P1; |
| PACKAGE BODY P1 IS |
| PROCEDURE PROC1 (Y : STRING) IS |
| BEGIN |
| FAILED ("CASE B3 : WRONG PROCEDURE " & |
| "DIRECTLY VISIBLE"); |
| END PROC1; |
| END P1; |
| |
| USE P1; |
| |
| BEGIN |
| |
| PROC1 ("ABC"); |
| |
| END CASE_B3; |
| |
| END CASE_B; |
| |
| COMMENT ("CASE C : IF A HOMOGRAPH FOR A POTENTIALLY " & |
| "VISIBLE SUBPROGRAM OR OBJECT IS DECLARED AFTER " & |
| "A USE CLAUSE, THE POTENTIALLY VISIBLE ENTITY " & |
| "IS NO LONGER VISIBLE"); |
| |
| CASE_C : BEGIN |
| |
| CASE_C1 : DECLARE |
| |
| PACKAGE P1 IS |
| PROCEDURE PROC1 (X : FLOAT); |
| END P1; |
| |
| USE P1; |
| |
| PACKAGE BODY P1 IS |
| PROCEDURE PROC1 (X : FLOAT) IS |
| BEGIN |
| IF X = -1.5 THEN |
| FAILED ("CASE C1 : WRONG PROCEDURE" & |
| " CALLED (A)"); |
| ELSIF X /= 1.5 THEN |
| FAILED ("CASE C1 : WRONG VALUE " & |
| "PASSED (A)"); |
| END IF; |
| END PROC1; |
| BEGIN |
| NULL; |
| END P1; |
| |
| PROCEDURE PROC2 IS |
| BEGIN |
| PROC1 (1.5); |
| END PROC2; |
| |
| PROCEDURE PROC1 (X : FLOAT) IS |
| BEGIN |
| IF X = 1.5 THEN |
| FAILED ("CASE C1 : WRONG PROCEDURE" & |
| " CALLED (B)"); |
| ELSIF X /= -1.5 THEN |
| FAILED ("CASE C1 : WRONG VALUE " & |
| "PASSED (B)"); |
| END IF; |
| END PROC1; |
| |
| BEGIN |
| |
| PROC2; |
| PROC1 (-1.5); |
| |
| END CASE_C1; |
| |
| CASE_C2 : DECLARE |
| |
| PACKAGE P1 IS |
| X : INTEGER := 15; |
| END P1; |
| |
| USE P1; |
| |
| A : INTEGER := X; |
| |
| X : BOOLEAN := TRUE; |
| |
| B : BOOLEAN := X; |
| |
| BEGIN |
| |
| IF A /= IDENT_INT(15) THEN |
| FAILED ("CASE C2 : VARIABLE A DOES NOT " & |
| "CONTAIN THE CORRECT VALUE"); |
| END IF; |
| IF B /= IDENT_BOOL(TRUE) THEN |
| FAILED ("CASE C2 : VARIABLE B DOES NOT " & |
| "CONTAIN THE CORRECT VALUE"); |
| END IF; |
| |
| END CASE_C2; |
| |
| END CASE_C; |
| |
| END; |
| |
| RESULT; |
| |
| END C84002A; |
