1-- C37208B.ADA 2 3-- Grant of Unlimited Rights 4-- 5-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687, 6-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 7-- unlimited rights in the software and documentation contained herein. 8-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making 9-- this public release, the Government intends to confer upon all 10-- recipients unlimited rights equal to those held by the Government. 11-- These rights include rights to use, duplicate, release or disclose the 12-- released technical data and computer software in whole or in part, in 13-- any manner and for any purpose whatsoever, and to have or permit others 14-- to do so. 15-- 16-- DISCLAIMER 17-- 18-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR 19-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 20-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE 21-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 22-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A 23-- PARTICULAR PURPOSE OF SAID MATERIAL. 24--* 25-- FOR A TYPE WITH DEFAULT DISCRIMINANT VALUES, CHECK THAT A 26-- DISCRIMINANT CONSTRAINT CAN BE OMITTED IN A GENERIC FORMAL 27-- PARAMETER, AND HENCE, FOR BOTH IN AND IN OUT PARAMETERS, THE 28-- 'CONSTRAINED ATTRIBUTE OF THE ACTUAL PARAMETER BECOMES THE 29-- 'CONSTRAINED ATTRIBUTE OF THE FORMAL PARAMETER, AND, FOR IN 30-- OUT PARAMETERS, IF THE 'CONSTRAINED ATTRIBUTE IS FALSE, 31-- ASSIGNMENTS TO THE FORMAL PARAMETERS CAN CHANGE THE 32-- DISCRIMINANTS OF THE ACTUAL PARAMETER; IF THE 'CONSTRAINED 33-- ATTRIBUTE IS TRUE, ASSIGNMENTS THAT ATTEMPT TO CHANGE THE 34-- DISCRIMINANTS OF THE ACTUAL PARAMETER RAISE CONSTRAINT_ERROR. 35 36-- ASL 7/29/81 37-- VKG 1/20/83 38-- EDS 7/16/98 AVOID OPTIMIZATION 39 40WITH REPORT; 41PROCEDURE C37208B IS 42 43 USE REPORT; 44 45BEGIN 46 TEST ("C37208B","FOR TYPES WITH DEFAULT DISCRIMINANT " & 47 "VALUES, DISCRIMINANT CONSTRAINTS CAN BE OMITTED " & 48 "IN GENERIC FORMAL PARAMETERS, AND THE " & 49 "'CONSTRAINED ATTRIBUTE HAS CORRECT VALUES " & 50 "DEPENDING ON THE ACTUAL PARAMETERS"); 51 52 DECLARE 53 TYPE REC(DISC : INTEGER := 7) IS 54 RECORD 55 NULL; 56 END RECORD; 57 58 KC : CONSTANT REC(3) := (DISC => 3); 59 KU : CONSTANT REC := (DISC => 3); 60 OBJC1,OBJC2 : REC(3) := (DISC => 3); 61 OBJU1,OBJU2 : REC := (DISC => 3); 62 63 GENERIC 64 P_IN1 : REC; 65 P_IN2 : REC; 66 P_IN_OUT : IN OUT REC; 67 STATUS : BOOLEAN; 68 PROCEDURE PROC; 69 70 PROCEDURE PROC IS 71 BEGIN 72 73 IF P_IN1'CONSTRAINED /= TRUE OR 74 P_IN2'CONSTRAINED /= TRUE OR 75 P_IN_OUT'CONSTRAINED /= STATUS 76 THEN 77 78 FAILED ("'CONSTRAINED ATTRIBUTES DO NOT MATCH " & 79 "FOR ACTUAL AND FORMAL PARAMETERS"); 80 END IF; 81 IF NOT STATUS THEN 82 BEGIN 83 P_IN_OUT := (DISC => IDENT_INT(7)); 84 EXCEPTION 85 WHEN OTHERS => 86 FAILED ("EXCEPTION RAISED " & 87 "WHEN TRYING TO " & 88 "CHANGE UNCONSTRAINED " & 89 "DISCRIMINANT VALUE"); 90 END; 91 ELSE 92 BEGIN 93 P_IN_OUT := (DISC => IDENT_INT(7)); 94 FAILED ("DISCRIMINANT OF CONSTRAINED " & 95 "ACTUAL PARAMETER ILLEGALLY " & 96 "CHANGED BY ASSIGNMENT"); 97 EXCEPTION 98 WHEN CONSTRAINT_ERROR => NULL; 99 WHEN OTHERS => FAILED ("WRONG EXCEPTION"); 100 END; 101 END IF; 102 END PROC; 103 104 BEGIN 105 106 DECLARE 107 PROCEDURE PROC_C IS NEW PROC(KC,OBJC1,OBJC2,IDENT_BOOL(TRUE)); 108 PROCEDURE PROC_U IS NEW PROC(KU,OBJU1,OBJU2,IDENT_BOOL(FALSE)); 109 BEGIN 110 PROC_C; 111 PROC_U; 112 IF OBJU2.DISC /= 7 THEN 113 FAILED ("ASSIGNMENT TO UNCONSTRAINED ACTUAL " & 114 "PARAMETER FAILED TO CHANGE DISCRIMINANT "); 115 END IF; 116 END; 117 118 END; 119 RESULT; 120END C37208B; 121