1-- C87B14B.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 OVERLOADING RESOLUTION USES THE RULE THAT:
26--
27-- IN SUBTYPE INDICATIONS WITH INDEX CONSTRAINTS, THE LOWER AND UPPER
28-- BOUNDS MUST BE OF THE INDEX BASE TYPE.
29--
30-- TEST (B): INDEX CONSTRAINTS WITH OVERLOADED OPERATOR SYMBOLS.
31
32-- TRH  30 JUNE 82
33
34WITH REPORT; USE REPORT;
35
36PROCEDURE C87B14B IS
37
38     SUBTYPE CHAR IS CHARACTER;
39     SUBTYPE VAR  IS CHAR RANGE 'X' .. 'Z';
40     SUBTYPE NOTE IS CHAR RANGE 'A' .. 'G';
41     TYPE LIST IS ARRAY (CHAR RANGE <>) OF CHAR;
42     TYPE GRID IS ARRAY (CHAR RANGE <>, CHAR RANGE <>) OF CHAR;
43
44     FUNCTION "*" (X, Y : INTEGER) RETURN VAR IS
45     BEGIN
46          RETURN 'X';
47     END "*";
48
49     FUNCTION "*" (X, Y : INTEGER) RETURN BOOLEAN IS
50     BEGIN
51          FAILED ("RESOLUTION INCORRECT - INDEX CONSTRAINTS " &
52                  " IN SUBTYPE INDICATIONS");
53          RETURN TRUE;
54     END "*";
55
56     FUNCTION "+" (X, Y : INTEGER) RETURN NOTE IS
57     BEGIN
58          RETURN 'A';
59     END "+";
60
61     FUNCTION "+" (X, Y : INTEGER) RETURN FLOAT IS
62     BEGIN
63          FAILED ("RESOLUTION INCORRECT - INDEX CONSTRAINTS " &
64                  " IN SUBTYPE INDICATIONS");
65          RETURN 2.0;
66     END "+";
67
68BEGIN
69     TEST ("C87B14B","OVERLOADED OPERATOR SYMBOLS IN INDEX " &
70           "CONSTRAINTS OF SUBTYPE INDICATIONS");
71
72     DECLARE
73
74          SUBTYPE LIST1 IS LIST ('W' .. "*" (0, 0));
75          SUBTYPE LIST2 IS LIST ("+" (0, 0) .. 'C');
76          SUBTYPE LIST3 IS LIST ("+" (0, 0) .. "*" (0, 0));
77          SUBTYPE LIST4 IS LIST ("*" (0, 0) .. "*" (0, 0));
78
79          SUBTYPE GRID1 IS GRID ('V' .. "*" (0, 0), "*" (0, 0) .. 'Y');
80          SUBTYPE GRID2 IS GRID ("*" (0, 0) .. 'W', 'H' .. "+" (0, 0));
81          SUBTYPE GRID3 IS GRID
82              ("*" (0, 0) .. "*" (0, 0), "+" (0, 0) .. "+" (0, 0));
83          SUBTYPE GRID4 IS GRID ("+" (0, 0) .. "*" (0, 0),'L' .. 'N');
84
85     BEGIN
86          NULL;
87     END;
88
89     RESULT;
90END C87B14B;
91