1-- C39006D.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 IF A FUNCTION IS USED IN A DEFAULT EXPRESSION FOR A
26-- SUBPROGRAM OR FORMAL GENERIC PARAMETER, PROGRAM_ERROR IS RAISED
27-- WHEN AN ATTEMPT IS MADE TO EVALUATE THE DEFAULT EXPRESSION,
28-- BECAUSE THE FUNCTION'S BODY HAS NOT BEEN ELABORATED YET.
29
30-- TBN  8/20/86
31
32WITH REPORT; USE REPORT;
33PROCEDURE C39006D IS
34
35BEGIN
36     TEST ("C39006D", "CHECK THAT IF A FUNCTION IS USED IN A DEFAULT " &
37                      "EXPRESSION FOR A SUBPROGRAM OR FORMAL GENERIC " &
38                      "PARAMETER, PROGRAM_ERROR IS RAISED WHEN AN " &
39                      "ATTEMPT IS MADE TO EVALUATE THE DEFAULT " &
40                      "EXPRESSION");
41     DECLARE
42          FUNCTION FUN RETURN INTEGER;
43
44          PACKAGE P IS
45               PROCEDURE DEFAULT (A : INTEGER := FUN);
46          END P;
47
48          PACKAGE BODY P IS
49               PROCEDURE DEFAULT (A : INTEGER := FUN) IS
50                    B : INTEGER := 1;
51               BEGIN
52                    B := B + IDENT_INT(A);
53               END DEFAULT;
54          BEGIN
55               DEFAULT (2);
56               DEFAULT;
57               FAILED ("PROGRAM_ERROR NOT RAISED - 1");
58          EXCEPTION
59               WHEN PROGRAM_ERROR =>
60                    NULL;
61               WHEN OTHERS =>
62                    FAILED ("UNEXPECTED EXCEPTION RAISED - 1");
63          END P;
64
65          FUNCTION FUN RETURN INTEGER IS
66          BEGIN
67               RETURN (IDENT_INT(1));
68          END FUN;
69     BEGIN
70          NULL;
71     END;
72
73     BEGIN
74          DECLARE
75               FUNCTION INIT_1 RETURN INTEGER;
76
77               GENERIC
78                    LENGTH : INTEGER := INIT_1;
79               PACKAGE P IS
80                    TYPE ARRAY1 IS ARRAY (1 .. LENGTH) OF INTEGER;
81               END P;
82
83               PACKAGE NEW_P1 IS NEW P (4);
84               PACKAGE NEW_P2 IS NEW P;
85
86               FUNCTION INIT_1 RETURN INTEGER IS
87               BEGIN
88                    RETURN (IDENT_INT(2));
89               END INIT_1;
90
91          BEGIN
92               FAILED ("PROGRAM_ERROR NOT RAISED - 2");
93          END;
94     EXCEPTION
95          WHEN PROGRAM_ERROR =>
96               NULL;
97          WHEN OTHERS =>
98               FAILED ("UNEXPECTED EXCEPTION RAISED - 2");
99     END;
100
101     DECLARE
102          FUNCTION INIT_2 RETURN INTEGER;
103
104          GLOBAL_INT : INTEGER := IDENT_INT(1);
105
106          GENERIC
107          PACKAGE Q IS
108               PROCEDURE ADD1 (A : INTEGER := INIT_2);
109          END Q;
110
111          PACKAGE BODY Q IS
112               PROCEDURE ADD1 (A : INTEGER := INIT_2) IS
113                    B : INTEGER;
114               BEGIN
115                    B := A;
116               END ADD1;
117          BEGIN
118               IF GLOBAL_INT = IDENT_INT(1) THEN
119                    ADD1;
120                    FAILED ("PROGRAM_ERROR NOT RAISED - 3");
121               ELSE
122                    ADD1 (2);
123               END IF;
124
125          EXCEPTION
126               WHEN PROGRAM_ERROR =>
127                    NULL;
128               WHEN OTHERS =>
129                    FAILED ("UNEXPECTED EXCEPTION RAISED - 3");
130          END Q;
131
132          PACKAGE NEW_Q IS NEW Q;
133
134          FUNCTION INIT_2 RETURN INTEGER IS
135          BEGIN
136               RETURN (IDENT_INT(1));
137          END INIT_2;
138
139     BEGIN
140          NULL;
141     END;
142
143     RESULT;
144END C39006D;
145