1 -- C37208A.ADA (RA #534/1)
3 -- Grant of Unlimited Rights
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
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.
25 -- FOR A TYPE WITH DEFAULT DISCRIMINANT VALUES, CHECK THAT A
26 -- DISCRIMINANT CONSTRAINT CAN BE OMITTED IN:
28 -- AN OBJECT DECLARATION, AND HENCE ASSIGNMENTS TO THE OBJECT CAN
29 -- CHANGE ITS DISCRIMINANTS;
31 -- A COMPONENT_DECLARATION IN A RECORD TYPE DEFINITION, AND HENCE
32 -- ASSIGNMENTS TO THE COMPONENT CAN CHANGE THE VALUE OF ITS
35 -- A SUBTYPE INDICATION IN AN ARRAY TYPE DEFINITION, AND HENCE
36 -- ASSIGNMENTS TO ONE OF THE COMPONENTS CAN CHANGE ITS
37 -- DISCRIMINANT VALUES;
39 -- A FORMAL PARAMETER OF A SUBPROGRAM; EXCEPT FOR PARAMETERS OF
40 -- MODE IN, THE 'CONSTRAINED ATTRIBUTE OF THE ACTUAL PARAMETER
41 -- BECOMES THE 'CONSTRAINED ATTRIBUTE OF THE FORMAL PARAMETER;
42 -- FOR IN OUT AND OUT PARAMETERS, IF THE 'CONSTRAINED ATTRIBUTE IS
43 -- FALSE, ASSIGNMENTS TO THE FORMAL PARAMETER CAN CHANGE THE
44 -- DISCRIMINANTS OF THE ACTUAL PARAMETER; IF THE 'CONSTRAINED
45 -- ATTRIBUTE IS TRUE, ASSIGNNMENTS THAT ATTEMPT TO CHANGE THE
46 -- DISCRIMINANTS OF THE ACTUAL PARAMETER RAISE CONSTRAINT_ERROR.
49 -- EDS 7/16/98 AVOID OPTIMIZATION
57 TEST
("C37208A","DISCRIMINANT CONSTRAINT CAN BE OMITTED " &
58 "FROM OBJECT DECLARATION, COMPONENT DECLARATION, SUBTYPE " &
59 "INDICATION OR FORMAL SUBPROGRAM PARAMETER, IF THE TYPE " &
60 "HAS DEFAULT DISCRIMINANTS");
63 TYPE REC1
(DISC
: INTEGER := 7) IS
74 U1
,U2
,U3
: REC1
:= (DISC
=> 3);
75 C1
,C2
,C3
: REC1
(3) := (DISC
=> 3);
76 ARR
: ARRAY(INTEGER RANGE 1..10) OF REC1
;
77 ARR2
: ARRAY (1..10) OF REC1
(4);
79 PROCEDURE PROC
(P_IN
: IN REC1
;
81 P_IN_OUT
: IN OUT REC1
;
82 CONSTR
: IN BOOLEAN) IS
84 IF P_OUT
'CONSTRAINED /= CONSTR
85 OR P_IN_OUT
'CONSTRAINED /= CONSTR
THEN
86 FAILED
("CONSTRAINED ATTRIBUTES DO NOT MATCH " &
87 "FOR ACTUAL AND FORMAL PARAMETERS");
90 IF P_IN
'CONSTRAINED /= IDENT_BOOL
(TRUE) THEN
91 FAILED
("'CONSTRAINED IS FALSE FOR IN " &
95 IF NOT CONSTR
THEN -- UNCONSTRAINED ACTUAL PARAM
96 P_OUT
:= (DISC
=> IDENT_INT
(0));
97 P_IN_OUT
:= (DISC
=> IDENT_INT
(0));
100 P_OUT
:= (DISC
=> IDENT_INT
(0));
101 FAILED
("DISCRIMINANT OF CONSTRAINED ACTUAL " &
102 "PARAMETER ILLEGALLY CHANGED - 1");
104 WHEN CONSTRAINT_ERROR
=>
107 FAILED
("WRONG EXCEPTION - 1");
111 P_IN_OUT
:= (DISC
=> IDENT_INT
(0));
112 FAILED
("DISCRIMINANT OF CONSTRAINED ACTUAL " &
113 "PARAMETER ILLEGALLY CHANGED - 2");
115 WHEN CONSTRAINT_ERROR
=> NULL;
117 FAILED
("WRONG EXCEPTION - 2");
122 IF U1
.DISC
/= IDENT_INT
(3) THEN
123 FAILED
("INITIAL DISCRIMINANT VALUE WRONG - U1");
126 U1
:= (DISC
=> IDENT_INT
(5));
128 FAILED
("ASSIGNMENT FAILED FOR OBJECT");
131 IF R
.COMP
.DISC
/= IDENT_INT
(7) THEN
132 FAILED
("DEFAULT DISCRIMINANT VALUE WRONG - R");
135 R
.COMP
:= (DISC
=> IDENT_INT
(5));
136 IF R
.COMP
.DISC
/= 5 THEN
137 FAILED
("ASSIGNMENT FAILED FOR RECORD COMPONENT");
141 IF ARR
(I
).DISC
/= IDENT_INT
(7) THEN
142 FAILED
("DEFAULT DISCRIMINANT VALUE WRONG - ARR");
146 ARR
(3) := (DISC
=> IDENT_INT
(5));
147 IF ARR
(3).DISC
/= 5 THEN
148 FAILED
("ASSIGNMENT FAILED FOR ARRAY COMPONENT");
151 IF ARR
/= (1..2|
4..10 => (DISC
=> 7), 3 => (DISC
=> 5)) THEN
152 FAILED
("MODIFIED WRONG COMPONENTS");
155 PROC
(C1
,C2
,C3
,IDENT_BOOL
(TRUE));
156 PROC
(U1
,U2
,U3
,IDENT_BOOL
(FALSE));
157 IF U2
.DISC
/= 0 OR U3
.DISC
/= 0 THEN
158 FAILED
("ASSIGNMENT TO UNCONSTRAINED ACTUAL PARAMETER " &
159 "FAILED TO CHANGE DISCRIMINANT");
162 PROC
(ARR
(1), ARR
(3), ARR
(4), FALSE);
163 IF ARR
(3).DISC
/= 0 OR ARR
(4).DISC
/= 0 THEN
164 FAILED
("ARRAY COMPONENT ASSIGNMENTS DIDN'T CHANGE " &
165 "DISCRIMINANT OF COMPONENT");
168 PROC
(ARR2
(2), ARR2
(5), ARR2
(10), TRUE);