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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
-- C37213D.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 IF
-- AN INDEX CONSTRAINT
-- DEPENDS ON A DISCRIMINANT, THE NON-DISCRIMINANT EXPRESSIONS IN THE
-- CONSTRAINT ARE EVALUATED WHEN THE COMPONENT SUBTYPE DEFINITION IS
-- ELABORATED, BUT THE VALUES ARE CHECKED WHEN THE RECORD TYPE IS:
--
-- CASE B: USED WITHOUT A CONSTRAINT ONLY IN AN ALLOCATOR OR OBJECT
-- DECLARATION.
-- JBG 10/17/86
WITH REPORT; USE REPORT;
PROCEDURE C37213D IS
SUBTYPE SM IS INTEGER RANGE 1..10;
TYPE MY_ARR IS ARRAY (SM RANGE <>) OF INTEGER;
F1_CONS : INTEGER := 2;
FUNCTION CHK (
CONS : INTEGER;
VALUE : INTEGER;
MESSAGE : STRING) RETURN BOOLEAN IS
BEGIN
IF CONS /= VALUE THEN
FAILED (MESSAGE & ": CONS IS " &
INTEGER'IMAGE(CONS));
END IF;
RETURN TRUE;
END CHK;
FUNCTION F1 RETURN INTEGER IS
BEGIN
F1_CONS := F1_CONS - IDENT_INT(1);
RETURN F1_CONS;
END F1;
BEGIN
TEST ("C37213D", "CHECK EVALUATION OF INDEX BOUNDS " &
"WHEN CONSTRAINT DEPENDS ON DISCRIMINANT, " &
"AND DISCRIMINANTS HAVE DEFAULTS");
-- CASE B
DECLARE
TYPE CONS (D3 : INTEGER := 1) IS
RECORD
C1 : MY_ARR (F1..D3); -- F1 EVALUATED.
END RECORD;
CHK1 : BOOLEAN := CHK (F1_CONS, 1, "F1 NOT EVALUATED");
X : CONS; -- F1 NOT EVALUATED AGAIN
Y : CONS; -- F1 NOT EVALUATED AGAIN
CHK2 : BOOLEAN := CHK (F1_CONS, 1, "F1 EVALUATED");
BEGIN
IF X.C1'FIRST /= 1 OR Y.C1'LAST /= 1 THEN
FAILED ("INDEX BOUNDS NOT CORRECT");
END IF;
END;
F1_CONS := 12;
DECLARE
TYPE CONS (D3 : INTEGER := 1) IS
RECORD
C1 : MY_ARR(D3..F1);
END RECORD;
BEGIN
BEGIN
DECLARE
X : CONS;
BEGIN
FAILED ("INDEX CHECK NOT PERFORMED - 1");
IF X /= (1, (1, 1)) THEN
COMMENT ("SHOULDN'T GET HERE");
END IF;
END;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION - 1");
END;
BEGIN
DECLARE
TYPE ACC_CONS IS ACCESS CONS;
X : ACC_CONS;
BEGIN
X := NEW CONS;
FAILED ("INDEX CHECK NOT PERFORMED - 2");
BEGIN
IF X.ALL /= (1, (1 => 1)) THEN
COMMENT ("IRRELEVANT");
END IF;
END;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION RAISED - 2");
END;
EXCEPTION
WHEN OTHERS =>
FAILED ("CONSTRAINT CHECKED TOO SOON - 2");
END;
BEGIN
DECLARE
SUBTYPE SCONS IS CONS;
BEGIN
DECLARE
X : SCONS;
BEGIN
FAILED ("INDEX CHECK NOT " &
"PERFORMED - 3");
IF X /= (1, (1 => 1)) THEN
COMMENT ("IRRELEVANT");
END IF;
END;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION RAISED - 3");
END;
EXCEPTION
WHEN OTHERS =>
FAILED ("CONSTRAINT CHECKED TOO SOON - 3");
END;
BEGIN
DECLARE
TYPE ARR IS ARRAY (1..5) OF CONS;
BEGIN
DECLARE
X : ARR;
BEGIN
FAILED ("INDEX CHECK NOT " &
"PERFORMED - 4");
IF X /= (1..5 => (1, (1 => 1))) THEN
COMMENT ("IRRELEVANT");
END IF;
END;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION RAISED - 4");
END;
EXCEPTION
WHEN OTHERS =>
FAILED ("CONSTRAINT CHECKED TOO SOON - 4");
END;
BEGIN
DECLARE
TYPE NREC IS
RECORD
C1 : CONS;
END RECORD;
BEGIN
DECLARE
X : NREC;
BEGIN
FAILED ("INDEX CHECK NOT " &
"PERFORMED - 5");
IF X /= (C1 => (1, (1 => 1))) THEN
COMMENT ("IRRELEVANT");
END IF;
END;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION RAISED - 5");
END;
EXCEPTION
WHEN OTHERS =>
FAILED ("CONSTRAINT CHECKED TOO SOON - 5");
END;
BEGIN
DECLARE
TYPE DREC IS NEW CONS;
BEGIN
DECLARE
X : DREC;
BEGIN
FAILED ("INDEX CHECK NOT " &
"PERFORMED - 6");
IF X /= (1, (1 => 1)) THEN
COMMENT ("IRRELEVANT");
END IF;
END;
EXCEPTION
WHEN CONSTRAINT_ERROR =>
NULL;
WHEN OTHERS =>
FAILED ("UNEXPECTED EXCEPTION RAISED - 6");
END;
EXCEPTION
WHEN OTHERS =>
FAILED ("CONSTRAINT CHECKED TOO SOON - 6");
END;
END;
RESULT;
EXCEPTION
WHEN OTHERS =>
FAILED ("CONSTRAINT CHECK DONE TOO EARLY");
RESULT;
END C37213D;
|
