1-- C34014U.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-- OBJECTIVE:
26--     CHECK THAT A DERIVED OPERATOR IS VISIBLE AND FURTHER DERIVABLE
27--     UNDER APPROPRIATE CIRCUMSTANCES.
28
29--     CHECK WHEN THE DERIVED OPERATOR IS IMPLICITLY DECLARED IN THE
30--     PRIVATE PART OF A PACKAGE AFTER AN EXPLICIT DECLARATION OF A
31--     HOMOGRAPHIC OPERATOR IN THE VISIBLE PART.
32
33-- HISTORY:
34--     JRK 09/23/87  CREATED ORIGINAL TEST.
35
36WITH REPORT; USE REPORT;
37
38PROCEDURE C34014U IS
39
40     PACKAGE P IS
41          TYPE T IS RANGE -100 .. 100;
42          FUNCTION "+" (X : T) RETURN T;
43     END P;
44     USE P;
45
46     PACKAGE BODY P IS
47          FUNCTION "+" (X : T) RETURN T IS
48          BEGIN
49               RETURN X + T (IDENT_INT (1));
50          END "+";
51     END P;
52
53BEGIN
54     TEST ("C34014U", "CHECK THAT A DERIVED OPERATOR IS VISIBLE " &
55                      "AND FURTHER DERIVABLE UNDER APPROPRIATE " &
56                      "CIRCUMSTANCES.  CHECK WHEN THE DERIVED " &
57                      "OPERATOR IS IMPLICITLY DECLARED IN THE " &
58                      "PRIVATE PART OF A PACKAGE AFTER AN EXPLICIT " &
59                      "DECLARATION OF A HOMOGRAPHIC OPERATOR IN " &
60                      "THE VISIBLE PART");
61
62     -----------------------------------------------------------------
63
64     COMMENT ("NEW OPERATOR DECLARED BY SUBPROGRAM DECLARATION");
65
66     DECLARE
67
68          PACKAGE Q IS
69               TYPE QT IS PRIVATE;
70               C0 : CONSTANT QT;
71               C2 : CONSTANT QT;
72               FUNCTION "+" (Y : QT) RETURN QT;
73               TYPE QR1 IS
74                    RECORD
75                         C : QT := +C0;
76                    END RECORD;
77          PRIVATE
78               TYPE QT IS NEW T;
79               C0 : CONSTANT QT := 0;
80               C2 : CONSTANT QT := 2;
81               TYPE QR2 IS
82                    RECORD
83                         C : QT := +0;
84                    END RECORD;
85               TYPE QS IS NEW QT;
86          END Q;
87          USE Q;
88
89          PACKAGE BODY Q IS
90               FUNCTION "+" (Y : QT) RETURN QT IS
91               BEGIN
92                    RETURN Y + QT (IDENT_INT (2));
93               END "+";
94
95               PACKAGE R IS
96                    X : QR1;
97                    Y : QR2;
98                    Z : QS := +0;
99               END R;
100               USE R;
101          BEGIN
102               IF X.C /= 2 THEN
103                    FAILED ("NEW OPERATOR NOT VISIBLE - SUBPROG " &
104                            "DECL - 1");
105               END IF;
106
107               IF Y.C /= 2 THEN
108                    FAILED ("NEW OPERATOR NOT VISIBLE - SUBPROG " &
109                            "DECL - 2");
110               END IF;
111
112               IF Z /= 2 THEN
113                    FAILED ("NEW OPERATOR NOT DERIVED - SUBPROG " &
114                            "DECL - 1");
115               END IF;
116          END Q;
117
118          PACKAGE R IS
119               Y : QT := +C0;
120               TYPE RT IS NEW QT;
121               Z : RT := +RT(C0);
122          END R;
123          USE R;
124
125     BEGIN
126          IF Y /= C2 THEN
127               FAILED ("NEW OPERATOR NOT VISIBLE - SUBPROG DECL - 3");
128          END IF;
129
130          IF Z /= RT (C2) THEN
131               FAILED ("NEW OPERATOR NOT DERIVED - SUBPROG DECL - 2");
132          END IF;
133     END;
134
135     -----------------------------------------------------------------
136
137     COMMENT ("NEW OPERATOR DECLARED BY RENAMING");
138
139     DECLARE
140
141          PACKAGE Q IS
142               TYPE QT IS PRIVATE;
143               C0 : CONSTANT QT;
144               C2 : CONSTANT QT;
145               FUNCTION G (X : QT) RETURN QT;
146               FUNCTION "+" (Y : QT) RETURN QT RENAMES G;
147               TYPE QR1 IS
148                    RECORD
149                         C : QT := +C0;
150                    END RECORD;
151          PRIVATE
152               TYPE QT IS NEW T;
153               C0 : CONSTANT QT := 0;
154               C2 : CONSTANT QT := 2;
155               TYPE QR2 IS
156                    RECORD
157                         C : QT := +0;
158                    END RECORD;
159               TYPE QS IS NEW QT;
160          END Q;
161          USE Q;
162
163          PACKAGE BODY Q IS
164               FUNCTION G (X : QT) RETURN QT IS
165               BEGIN
166                    RETURN X + QT (IDENT_INT (2));
167               END G;
168
169               PACKAGE R IS
170                    X : QR1;
171                    Y : QR2;
172                    Z : QS := +0;
173               END R;
174               USE R;
175          BEGIN
176               IF X.C /= 2 THEN
177                    FAILED ("NEW OPERATOR NOT VISIBLE - RENAMING - " &
178                            "1");
179               END IF;
180
181               IF Y.C /= 2 THEN
182                    FAILED ("NEW OPERATOR NOT VISIBLE - RENAMING - " &
183                            "2");
184               END IF;
185
186               IF Z /= 2 THEN
187                    FAILED ("NEW OPERATOR NOT DERIVED - RENAMING - " &
188                            "1");
189               END IF;
190          END Q;
191
192          PACKAGE R IS
193               Y : QT := +C0;
194               TYPE RT IS NEW QT;
195               Z : RT := +RT(C0);
196          END R;
197          USE R;
198
199     BEGIN
200          IF Y /= C2 THEN
201               FAILED ("NEW OPERATOR NOT VISIBLE - RENAMING - 3");
202          END IF;
203
204          IF Z /= RT (C2) THEN
205               FAILED ("NEW OPERATOR NOT DERIVED - RENAMING - 2");
206          END IF;
207     END;
208
209     -----------------------------------------------------------------
210
211     RESULT;
212END C34014U;
213