1-- CC3019A.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 INSTANTIATIONS OF NESTED GENERIC UNITS ARE PROCESSED
26-- CORRECTLY.
27
28-- JBG 11/6/85
29
30GENERIC
31     TYPE ELEMENT_TYPE IS PRIVATE;
32PACKAGE CC3019A_QUEUES IS
33
34     TYPE QUEUE_TYPE IS PRIVATE;
35
36     PROCEDURE ADD (TO_Q : IN OUT QUEUE_TYPE;
37                    VALUE : ELEMENT_TYPE);
38
39     GENERIC
40          WITH PROCEDURE APPLY (VAL : ELEMENT_TYPE);
41     PROCEDURE ITERATOR (TO_Q : QUEUE_TYPE);
42
43PRIVATE
44
45     TYPE CONTENTS_TYPE IS ARRAY (1..3) OF ELEMENT_TYPE;
46     TYPE QUEUE_TYPE IS
47          RECORD
48               CONTENTS : CONTENTS_TYPE;
49               SIZE     : NATURAL := 0;
50          END RECORD;
51
52END CC3019A_QUEUES;
53
54PACKAGE BODY CC3019A_QUEUES IS
55
56     PROCEDURE ADD (TO_Q : IN OUT QUEUE_TYPE;
57                    VALUE : ELEMENT_TYPE) IS
58     BEGIN
59          TO_Q.SIZE := TO_Q.SIZE + 1;
60          TO_Q.CONTENTS(TO_Q.SIZE) := VALUE;
61     END ADD;
62
63--   GENERIC
64--        WITH PROCEDURE APPLY (VAL : ELEMENT_TYPE);
65     PROCEDURE ITERATOR (TO_Q : QUEUE_TYPE) IS
66     BEGIN
67          FOR I IN TO_Q.CONTENTS'FIRST .. TO_Q.SIZE LOOP
68               APPLY (TO_Q.CONTENTS(I));
69          END LOOP;
70     END ITERATOR;
71
72END CC3019A_QUEUES;
73
74WITH REPORT; USE REPORT;
75WITH CC3019A_QUEUES;
76PROCEDURE CC3019A IS
77
78     SUBTYPE STR6 IS STRING (1..6);
79
80     TYPE STR6_ARR IS ARRAY (1..3) OF STR6;
81     STR6_VALS : STR6_ARR := ("111111", "222222",
82                               IDENT_STR("333333"));
83     CUR_STR_INDEX : NATURAL := 1;
84
85     TYPE INT_ARR IS ARRAY (1..3) OF INTEGER;
86     INT_VALS : INT_ARR := (-1, 3, IDENT_INT(3));
87     CUR_INT_INDEX : NATURAL := 1;
88
89-- THIS PROCEDURE IS CALLED ONCE FOR EACH ELEMENT OF THE QUEUE
90--
91     PROCEDURE CHECK_STR (VAL : STR6) IS
92     BEGIN
93          IF VAL /= STR6_VALS(CUR_STR_INDEX) THEN
94               FAILED ("STR6 ITERATOR FOR INDEX =" &
95                       INTEGER'IMAGE(CUR_STR_INDEX) & " WITH VALUE " &
96                       """" & VAL & """");
97          END IF;
98          CUR_STR_INDEX := CUR_STR_INDEX + 1;
99     EXCEPTION
100          WHEN CONSTRAINT_ERROR =>
101               FAILED ("STR6 - CONSTRAINT_ERROR RAISED");
102          WHEN OTHERS =>
103               FAILED ("STR6 - UNEXPECTED EXCEPTION");
104     END CHECK_STR;
105
106     PROCEDURE CHECK_INT (VAL : INTEGER) IS
107     BEGIN
108          IF VAL /= INT_VALS(CUR_INT_INDEX) THEN
109               FAILED ("INTEGER ITERATOR FOR INDEX =" &
110                       INTEGER'IMAGE(CUR_INT_INDEX) & " WITH VALUE " &
111                       """" & INTEGER'IMAGE(VAL) & """");
112          END IF;
113          CUR_INT_INDEX := CUR_INT_INDEX + 1;
114     EXCEPTION
115          WHEN CONSTRAINT_ERROR =>
116               FAILED ("INTEGER - CONSTRAINT_ERROR RAISED");
117          WHEN OTHERS =>
118               FAILED ("INTEGER - UNEXPECTED EXCEPTION");
119     END CHECK_INT;
120
121     PACKAGE STR6_QUEUE IS NEW CC3019A_QUEUES (STR6);
122     USE STR6_QUEUE;
123
124     PACKAGE INT_QUEUE IS NEW CC3019A_QUEUES (INTEGER);
125     USE INT_QUEUE;
126
127BEGIN
128
129     TEST ("CC3019A", "CHECK NESTED GENERICS - ITERATORS");
130
131     DECLARE
132          Q1 : STR6_QUEUE.QUEUE_TYPE;
133
134          PROCEDURE CHK_STR IS NEW STR6_QUEUE.ITERATOR (CHECK_STR);
135
136     BEGIN
137
138          ADD (Q1, "111111");
139          ADD (Q1, "222222");
140          ADD (Q1, "333333");
141
142          CUR_STR_INDEX := 1;
143          CHK_STR (Q1);
144
145     EXCEPTION
146          WHEN OTHERS =>
147               FAILED ("UNEXPECTED EXCEPTION - Q1");
148     END;
149
150-- REPEAT FOR INTEGERS
151
152     DECLARE
153          Q2 : INT_QUEUE.QUEUE_TYPE;
154
155          PROCEDURE CHK_INT IS NEW INT_QUEUE.ITERATOR (CHECK_INT);
156
157     BEGIN
158
159          ADD (Q2, -1);
160          ADD (Q2, 3);
161          ADD (Q2, 3);
162
163          CUR_INT_INDEX := 1;
164          CHK_INT (Q2);
165
166     EXCEPTION
167          WHEN OTHERS =>
168               FAILED ("UNEXPECTED EXCEPTION - Q2");
169     END;
170
171     RESULT;
172
173END CC3019A;
174