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
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
|
-- CC3019C1.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.
--*
-- THIS IS GENERIC PACKAGE WHICH IS USED TO CHECK THE LEVEL OF
-- NESTED GENERICS SUPPORTED BY AN IMPLEMENTATION. IT IS USED
-- BY MAIN PROCEDURE CC3019C2M.ADA.
--
-- HISTORY:
-- EDWARD V. BERARD, 31 AUGUST 1990
WITH CC3019C0_LIST_CLASS ;
GENERIC
TYPE ELEMENT IS LIMITED PRIVATE ;
WITH PROCEDURE ASSIGN (SOURCE : IN OUT ELEMENT ;
DESTINATION : IN OUT ELEMENT) ;
WITH FUNCTION "=" (LEFT : IN ELEMENT ;
RIGHT : IN ELEMENT) RETURN BOOLEAN ;
PACKAGE CC3019C1_NESTED_GENERICS IS
TYPE NESTED_GENERICS_TYPE IS LIMITED PRIVATE ;
PROCEDURE COPY (SOURCE : IN OUT NESTED_GENERICS_TYPE ;
DESTINATION : IN OUT NESTED_GENERICS_TYPE) ;
PROCEDURE SET_ELEMENT
(FOR_THIS_NGT_OBJECT : IN OUT NESTED_GENERICS_TYPE ;
TO_THIS_ELEMENT : IN OUT ELEMENT) ;
PROCEDURE SET_NUMBER
(FOR_THIS_NGT_OBJECT : IN OUT NESTED_GENERICS_TYPE ;
TO_THIS_NUMBER : IN NATURAL) ;
FUNCTION "=" (LEFT : IN NESTED_GENERICS_TYPE ;
RIGHT : IN NESTED_GENERICS_TYPE) RETURN BOOLEAN ;
FUNCTION ELEMENT_OF (THIS_NGT_OBJECT : IN NESTED_GENERICS_TYPE)
RETURN ELEMENT ;
FUNCTION NUMBER_OF (THIS_NGT_OBJECT : IN NESTED_GENERICS_TYPE)
RETURN NATURAL ;
GENERIC
TYPE ELEMENT IS LIMITED PRIVATE ;
WITH PROCEDURE ASSIGN (SOURCE : IN OUT ELEMENT ;
DESTINATION : IN OUT ELEMENT) ;
PACKAGE GENERIC_TASK IS
TASK TYPE PROTECTED_AREA IS
ENTRY STORE (ITEM : IN OUT ELEMENT) ;
ENTRY GET (ITEM : IN OUT ELEMENT) ;
END PROTECTED_AREA ;
END GENERIC_TASK ;
GENERIC
TYPE ELEMENT IS LIMITED PRIVATE ;
WITH PROCEDURE ASSIGN (SOURCE : IN OUT ELEMENT ;
DESTINATION : IN OUT ELEMENT) ;
WITH FUNCTION "=" (LEFT : IN ELEMENT ;
RIGHT : IN ELEMENT) RETURN BOOLEAN ;
PACKAGE STACK_CLASS IS
TYPE STACK IS LIMITED PRIVATE ;
OVERFLOW : EXCEPTION ;
UNDERFLOW : EXCEPTION ;
PROCEDURE PUSH (THIS_ELEMENT : IN OUT ELEMENT ;
ON_TO_THIS_STACK : IN OUT STACK) ;
PROCEDURE POP (THIS_ELEMENT : IN OUT ELEMENT ;
OFF_THIS_STACK : IN OUT STACK) ;
PROCEDURE COPY (THIS_STACK : IN OUT STACK ;
TO_THIS_STACK : IN OUT STACK) ;
PROCEDURE CLEAR (THIS_STACK : IN OUT STACK) ;
GENERIC
WITH PROCEDURE PROCESS (THIS_ELEMENT : IN ELEMENT ;
CONTINUE : OUT BOOLEAN) ;
PROCEDURE ITERATE (OVER_THIS_STACK : IN STACK) ;
FUNCTION NUMBER_OF_ELEMENTS (ON_THIS_STACK : IN STACK)
RETURN NATURAL ;
FUNCTION "=" (LEFT : IN STACK ;
RIGHT : IN STACK) RETURN BOOLEAN ;
PRIVATE
PACKAGE NEW_LIST_CLASS IS NEW
CC3019C0_LIST_CLASS (ELEMENT => ELEMENT,
ASSIGN => ASSIGN,
"=" => "=") ;
TYPE STACK IS NEW NEW_LIST_CLASS.LIST ;
END STACK_CLASS ;
PRIVATE
TYPE NESTED_GENERICS_TYPE IS RECORD
FIRST : ELEMENT ;
SECOND : NATURAL ;
END RECORD ;
END CC3019C1_NESTED_GENERICS ;
PACKAGE BODY CC3019C1_NESTED_GENERICS IS
PROCEDURE COPY (SOURCE : IN OUT NESTED_GENERICS_TYPE ;
DESTINATION : IN OUT NESTED_GENERICS_TYPE) IS
BEGIN -- COPY
ASSIGN (SOURCE => SOURCE.FIRST,
DESTINATION => DESTINATION.FIRST) ;
DESTINATION.SECOND := SOURCE.SECOND ;
END COPY ;
PROCEDURE SET_ELEMENT
(FOR_THIS_NGT_OBJECT : IN OUT NESTED_GENERICS_TYPE ;
TO_THIS_ELEMENT : IN OUT ELEMENT) IS
BEGIN -- SET_ELEMENT
ASSIGN (SOURCE => TO_THIS_ELEMENT,
DESTINATION => FOR_THIS_NGT_OBJECT.FIRST) ;
END SET_ELEMENT ;
PROCEDURE SET_NUMBER
(FOR_THIS_NGT_OBJECT : IN OUT NESTED_GENERICS_TYPE ;
TO_THIS_NUMBER : IN NATURAL) IS
BEGIN -- SET_NUMBER
FOR_THIS_NGT_OBJECT.SECOND := TO_THIS_NUMBER ;
END SET_NUMBER ;
FUNCTION "=" (LEFT : IN NESTED_GENERICS_TYPE ;
RIGHT : IN NESTED_GENERICS_TYPE) RETURN BOOLEAN IS
BEGIN -- "="
IF (LEFT.FIRST = RIGHT.FIRST) AND
(LEFT.SECOND = RIGHT.SECOND) THEN
RETURN TRUE ;
ELSE
RETURN FALSE ;
END IF ;
END "=" ;
FUNCTION ELEMENT_OF (THIS_NGT_OBJECT : IN NESTED_GENERICS_TYPE)
RETURN ELEMENT IS
BEGIN -- ELEMENT_OF
RETURN THIS_NGT_OBJECT.FIRST ;
END ELEMENT_OF ;
FUNCTION NUMBER_OF (THIS_NGT_OBJECT : IN NESTED_GENERICS_TYPE)
RETURN NATURAL IS
BEGIN -- NUMBER_OF
RETURN THIS_NGT_OBJECT.SECOND ;
END NUMBER_OF ;
PACKAGE BODY GENERIC_TASK IS
TASK BODY PROTECTED_AREA IS
LOCAL_STORE : ELEMENT ;
BEGIN -- PROTECTED_AREA
LOOP
SELECT
ACCEPT STORE (ITEM : IN OUT ELEMENT) DO
ASSIGN (SOURCE => ITEM,
DESTINATION => LOCAL_STORE) ;
END STORE ;
OR
ACCEPT GET (ITEM : IN OUT ELEMENT) DO
ASSIGN (SOURCE => LOCAL_STORE,
DESTINATION => ITEM) ;
END GET ;
OR
TERMINATE ;
END SELECT ;
END LOOP ;
END PROTECTED_AREA ;
END GENERIC_TASK ;
PACKAGE BODY STACK_CLASS IS
PROCEDURE PUSH (THIS_ELEMENT : IN OUT ELEMENT ;
ON_TO_THIS_STACK : IN OUT STACK) IS
BEGIN -- PUSH
NEW_LIST_CLASS.ADD (
THIS_ELEMENT => THIS_ELEMENT,
TO_THIS_LIST =>
NEW_LIST_CLASS.LIST (ON_TO_THIS_STACK)) ;
EXCEPTION
WHEN NEW_LIST_CLASS.OVERFLOW => RAISE OVERFLOW ;
END PUSH ;
PROCEDURE POP (THIS_ELEMENT : IN OUT ELEMENT ;
OFF_THIS_STACK : IN OUT STACK) IS
BEGIN -- POP
NEW_LIST_CLASS.DELETE (
THIS_ELEMENT => THIS_ELEMENT,
FROM_THIS_LIST =>
NEW_LIST_CLASS.LIST (OFF_THIS_STACK)) ;
EXCEPTION
WHEN NEW_LIST_CLASS.UNDERFLOW => RAISE UNDERFLOW ;
END POP ;
PROCEDURE COPY (THIS_STACK : IN OUT STACK ;
TO_THIS_STACK : IN OUT STACK) IS
BEGIN -- COPY
NEW_LIST_CLASS.COPY (
THIS_LIST => NEW_LIST_CLASS.LIST (THIS_STACK),
TO_THIS_LIST =>
NEW_LIST_CLASS.LIST (TO_THIS_STACK)) ;
END COPY ;
PROCEDURE CLEAR (THIS_STACK : IN OUT STACK) IS
BEGIN -- CLEAR
NEW_LIST_CLASS.CLEAR (NEW_LIST_CLASS.LIST (THIS_STACK)) ;
END CLEAR ;
PROCEDURE ITERATE (OVER_THIS_STACK : IN STACK) IS
PROCEDURE STACK_ITERATE IS NEW NEW_LIST_CLASS.ITERATE
(PROCESS => PROCESS) ;
BEGIN -- ITERATE
STACK_ITERATE (NEW_LIST_CLASS.LIST (OVER_THIS_STACK)) ;
END ITERATE ;
FUNCTION NUMBER_OF_ELEMENTS (ON_THIS_STACK : IN STACK)
RETURN NATURAL IS
BEGIN -- NUMBER_OF_ELEMENTS
RETURN NEW_LIST_CLASS.NUMBER_OF_ELEMENTS
(IN_THIS_LIST =>
NEW_LIST_CLASS.LIST (ON_THIS_STACK)) ;
END NUMBER_OF_ELEMENTS ;
FUNCTION "=" (LEFT : IN STACK ;
RIGHT : IN STACK) RETURN BOOLEAN IS
BEGIN -- "="
RETURN NEW_LIST_CLASS."=" (
LEFT => NEW_LIST_CLASS.LIST (LEFT),
RIGHT => NEW_LIST_CLASS.LIST (RIGHT)) ;
END "=" ;
END STACK_CLASS ;
END CC3019C1_NESTED_GENERICS ;
|
