1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
-- C97113A.ADA
-- Grant of Unlimited Rights
--
-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
-- unlimited rights in the software and documentation contained herein.
-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
-- this public release, the Government intends to confer upon all
-- recipients unlimited rights equal to those held by the Government.
-- These rights include rights to use, duplicate, release or disclose the
-- released technical data and computer software in whole or in part, in
-- any manner and for any purpose whatsoever, and to have or permit others
-- to do so.
--
-- DISCLAIMER
--
-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
-- PARTICULAR PURPOSE OF SAID MATERIAL.
--*
-- CHECK THAT ALL CONDITIONS, OPEN DELAY ALTERNATIVE EXPRESSIONS, AND
-- OPEN ENTRY FAMILY INDICES ARE EVALUATED (EVEN WHEN SOME (PERHAPS
-- ALL BUT ONE) OF THE ALTERNATIVES CAN BE RULED OUT WITHOUT
-- COMPLETING THE EVALUATIONS).
-- RM 5/06/82
-- SPS 11/21/82
-- WRG 7/9/86 ADDED DELAY EXPRESSIONS AND ENTRY FAMILY INDICES.
with Impdef;
WITH REPORT; USE REPORT;
PROCEDURE C97113A IS
EXPR1_EVALUATED : BOOLEAN := FALSE;
EXPR2_EVALUATED : BOOLEAN := FALSE;
EXPR3_EVALUATED : BOOLEAN := FALSE;
FUNCTION F1 RETURN BOOLEAN IS
BEGIN
EXPR1_EVALUATED := TRUE;
RETURN TRUE;
END F1;
FUNCTION F2 (X : INTEGER) RETURN INTEGER IS
BEGIN
EXPR2_EVALUATED := TRUE;
RETURN X;
END F2;
FUNCTION F3 (X : DURATION) RETURN DURATION IS
BEGIN
EXPR3_EVALUATED := TRUE;
RETURN X;
END F3;
BEGIN
TEST ("C97113A", "CHECK THAT ALL CONDITIONS, OPEN DELAY " &
"ALTERNATIVE EXPRESSIONS, AND OPEN ENTRY " &
"FAMILY INDICES ARE EVALUATED");
DECLARE
TASK T IS
ENTRY E1;
ENTRY E2;
ENTRY E3 (1..1);
END T;
TASK BODY T IS
BEGIN
--ENSURE THAT E1 HAS BEEN CALLED BEFORE PROCEEDING:
WHILE E1'COUNT = 0 LOOP
DELAY 1.0 * Impdef.One_Second;
END LOOP;
SELECT
ACCEPT E1;
OR
WHEN F1 =>
ACCEPT E2;
OR
ACCEPT E3 ( F2(1) );
OR
DELAY F3 ( 1.0 ) * Impdef.One_Second;
END SELECT;
END T;
BEGIN
T.E1;
END;
IF NOT EXPR1_EVALUATED THEN
FAILED ("GUARD NOT EVALUATED");
END IF;
IF NOT EXPR2_EVALUATED THEN
FAILED ("ENTRY FAMILY INDEX NOT EVALUATED");
END IF;
IF NOT EXPR3_EVALUATED THEN
FAILED ("OPEN DELAY ALTERNATIVE EXPRESSION NOT EVALUATED");
END IF;
RESULT;
END C97113A;
|