1-- C87B26B.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-- CHECK THAT 'ADDRESS, 'CONSTRAINED, 'SIZE, AND 'STORAGE_SIZE MAY BE
26-- USED WITH THE DESIGNATED OBJECTS OF ACCESS VALUES RETURNED FROM
27-- OVERLOADED FUNCTIONS, AND THAT EXPLICIT DEREFERENCING IS USED BY
28-- OVERLOADING RESOLUTION TO RESOLVE THE PREFIXES OF THE ATTRIBUTES.
29
30-- DSJ 22 JUN 83
31-- JBG 11/22/83
32-- JBG 4/23/84
33-- JBG 5/25/85
34
35WITH REPORT;  WITH SYSTEM;
36USE  REPORT;  USE  SYSTEM;
37
38PROCEDURE C87B26B IS
39
40     TYPE REC (D : INTEGER) IS
41          RECORD
42               C1, C2 : INTEGER;
43          END RECORD;
44     TYPE P_REC IS ACCESS REC;
45
46     P_REC_OBJECT : P_REC := NEW REC'(1,1,1);
47
48     TYPE BIG_INT IS RANGE 0..SYSTEM.MAX_INT;
49     TASK TYPE TASK_TYPE IS
50          -- NOTHING AT ALL
51     END TASK_TYPE;
52
53     TYPE P_TASK IS ACCESS TASK_TYPE;
54
55     P_TASK_OBJECT : P_TASK;
56
57     TASK BODY TASK_TYPE IS
58     BEGIN
59          NULL;
60     END TASK_TYPE;
61
62     ------------------------------------------------------------
63
64     FUNCTION F RETURN REC IS
65     BEGIN
66          RETURN (0,0,0);
67     END F;
68
69     FUNCTION F RETURN P_REC IS
70     BEGIN
71          RETURN P_REC_OBJECT;
72     END F;
73
74     ------------------------------------------------------------
75
76     FUNCTION G RETURN TASK_TYPE IS
77          NEW_TASK : TASK_TYPE;
78     BEGIN
79          RETURN NEW_TASK;
80     END G;
81
82     FUNCTION G RETURN P_TASK IS
83     BEGIN
84          RETURN P_TASK_OBJECT;
85     END G;
86
87     ------------------------------------------------------------
88
89BEGIN
90
91     TEST("C87B26B","CHECK THAT EXPLICIT DEREFERENCING IN AN " &
92          "ATTRIBUTE PREFIX IS USED IN OVERLOADING RESOLUTION " &
93          "WITH 'ADDRESS, 'CONSTRAINED, 'SIZE, AND 'STORAGE_SIZE");
94
95     DECLARE
96
97          A : ADDRESS;   -- FOR 'ADDRESS OF RECORD
98          B : BOOLEAN;   -- FOR 'CONSTRAINED OF RECORD
99          C : INTEGER;   -- FOR 'SIZE OF RECORD
100          D : ADDRESS;   -- FOR 'ADDRESS OF TASK
101          E : BIG_INT;   -- FOR 'STORAGE_SIZE OF TASK
102
103     BEGIN
104
105          P_TASK_OBJECT := NEW TASK_TYPE;
106          A := F.ALL'ADDRESS;
107          B := F.ALL'CONSTRAINED;
108          C := F.ALL'SIZE;
109          D := G.ALL'ADDRESS;
110          E := G.ALL'STORAGE_SIZE;
111
112          IF A /= P_REC_OBJECT.ALL'ADDRESS THEN
113               FAILED("INCORRECT RESOLUTION FOR 'ADDRESS - REC");
114          END IF;
115
116          IF B /= P_REC_OBJECT.ALL'CONSTRAINED THEN
117               FAILED("INCORRECT RESOLUTION FOR 'CONSTRAINED");
118          END IF;
119
120          IF C /= P_REC_OBJECT.ALL'SIZE THEN
121               FAILED("INCORRECT RESOLUTION FOR 'SIZE");
122          END IF;
123
124          IF D /= P_TASK_OBJECT.ALL'ADDRESS THEN
125               FAILED("INCORRECT RESOLUTION FOR 'ADDRESS - TASK");
126          END IF;
127
128          IF E /= P_TASK_OBJECT.ALL'STORAGE_SIZE THEN
129               FAILED("INCORRECT RESOLUTION FOR 'STORAGE_SIZE");
130          END IF;
131
132          IF A = P_REC_OBJECT'ADDRESS THEN
133               FAILED("INCORRECT DEREFERENCING FOR 'ADDRESS - REC");
134          END IF;
135
136          IF C = P_REC_OBJECT'SIZE AND C /= P_REC_OBJECT.ALL'SIZE THEN
137               FAILED("INCORRECT DEREFERENCING FOR 'SIZE");
138          END IF;
139
140          IF D = P_TASK_OBJECT'ADDRESS THEN
141               FAILED("INCORRECT DEREFERENCING FOR 'ADDRESS - TASK");
142          END IF;
143
144
145     END;
146
147     RESULT;
148
149END C87B26B;
150