3 -- Grant of Unlimited Rights
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
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.
25 -- CHECK THAT NESTED SUBPROGRAMS CAN BE CALLED RECURSIVELY AND THAT
26 -- NON-LOCAL VARIABLES AND FORMAL PARAMETERS ARE PROPERLY ACCESSED FROM
27 -- WITHIN RECURSIVE INVOCATIONS. THIS TEST CHECKS THAT EVERY DISPLAY OR
28 -- STATIC CHAIN LEVEL CAN BE ACCESSED.
30 -- THIS TEST USES 3 LEVELS OF NESTED RECURSIVE PROCEDURES (SEPARATELY
31 -- COMPILED AS SUBUNITS).
33 -- SEPARATE FILES ARE:
34 -- C64005D0M THE MAIN PROCEDURE.
35 -- C64005DA A RECURSIVE PROCEDURE SUBUNIT OF C64005D0M.
36 -- C64005DB A RECURSIVE PROCEDURE SUBUNIT OF C64005DA.
37 -- C64005DC A RECURSIVE PROCEDURE SUBUNIT OF C64005DB.
41 WITH REPORT
; USE REPORT
;
43 PROCEDURE C64005D0M
IS
45 SUBTYPE LEVEL
IS CHARACTER RANGE 'A' .. 'C';
46 SUBTYPE CALL
IS CHARACTER RANGE '1' .. '3';
48 MAX_LEV
: CONSTANT := LEVEL
'POS (LEVEL
'LAST) -
49 LEVEL
'POS (LEVEL
'FIRST) + 1;
50 T_LEN
: CONSTANT := 2 * (1 + 3 * (MAX_LEV
+
51 MAX_LEV
*(MAX_LEV
+1)/2*2)) + 1;
52 G_LEN
: CONSTANT := 2 + 4 * MAX_LEV
;
57 S
: STRING (1 .. T_LEN
);
60 V
: CHARACTER := IDENT_CHAR
('<');
61 L
: CHARACTER := IDENT_CHAR
('>');
63 G
: STRING (1 .. G_LEN
);
65 PROCEDURE C64005DA
(L
: LEVEL
; C
: CALL
; T
: IN OUT TRACE
) IS
69 TEST
("C64005D", "CHECK THAT NON-LOCAL VARIABLES AND FORMAL " &
70 "PARAMETERS AT ALL LEVELS OF NESTED " &
71 "RECURSIVE PROCEDURES ARE ACCESSIBLE (FOR " &
72 "3 LEVELS OF SEPARATELY COMPILED SUBUNITS)");
78 C64005DA
(IDENT_CHAR
(LEVEL
'FIRST), IDENT_CHAR
('1'), T
);
84 COMMENT
("FINAL CALL TRACE LENGTH IS: " & INTEGER'IMAGE(T
.E
));
85 COMMENT
("FINAL CALL TRACE IS: " & T
.S
(1..T
.E
));
86 COMMENT
("GLOBAL SNAPSHOT IS: " & G
);
88 -- CHECK THAT T AND G ARE CORRECT BY COMPUTING THEM ITERATIVELY.
91 SUBTYPE LC_LEVEL
IS CHARACTER RANGE ASCII
.LC_A
..
92 CHARACTER'VAL (CHARACTER'POS(ASCII
.LC_A
) + MAX_LEV
- 1);
95 CG
: STRING (1 .. G_LEN
);
97 COMMENT
("CORRECT FINAL CALL TRACE LENGTH IS: " &
98 INTEGER'IMAGE(T_LEN
));
100 IF T
.E
/= IDENT_INT
(T_LEN
) THEN
101 FAILED
("WRONG FINAL CALL TRACE LENGTH");
103 ELSE CT
.S
(CT
.E
+1) := '<';
106 FOR I
IN LC_LEVEL
LOOP
107 CT
.S
(CT
.E
+1) := '<';
110 FOR J
IN LC_LEVEL
'FIRST .. I
LOOP
112 CT
.S
(CT
.E
+2) := '1';
117 FOR I
IN LC_LEVEL
LOOP
118 CT
.S
(CT
.E
+1) := '<';
121 FOR J
IN LC_LEVEL
'FIRST .. LC_LEVEL
'PRED(I
) LOOP
123 CT
.S
(CT
.E
+2) := '3';
128 CT
.S
(CT
.E
+2) := '2';
131 CT
.S
(CT
.E
+1) := '<';
134 FOR J
IN LC_LEVEL
'FIRST .. I
LOOP
136 CT
.S
(CT
.E
+2) := '3';
141 CT
.S
(CT
.E
+1) := '=';
144 FOR I
IN REVERSE LEVEL
LOOP
145 FOR J
IN REVERSE LEVEL
'FIRST .. I
LOOP
147 CT
.S
(CT
.E
+2) := '3';
151 CT
.S
(CT
.E
+1) := '>';
155 CT
.S
(CT
.E
+2) := '2';
158 FOR J
IN REVERSE LEVEL
'FIRST .. LEVEL
'PRED(I
) LOOP
160 CT
.S
(CT
.E
+2) := '3';
164 CT
.S
(CT
.E
+1) := '>';
168 FOR I
IN REVERSE LEVEL
LOOP
169 FOR J
IN REVERSE LEVEL
'FIRST .. I
LOOP
171 CT
.S
(CT
.E
+2) := '1';
175 CT
.S
(CT
.E
+1) := '>';
179 CT
.S
(CT
.E
+1) := '>';
182 IF CT
.E
/= IDENT_INT
(T_LEN
) THEN
183 FAILED
("WRONG ITERATIVE TRACE LENGTH");
185 ELSE COMMENT
("CORRECT FINAL CALL TRACE IS: " & CT
.S
);
188 FAILED
("WRONG FINAL CALL TRACE");
200 CG
(E
+1) := LC_LEVEL
'VAL (LEVEL
'POS(I
) -
201 LEVEL
'POS(LEVEL
'FIRST) +
210 COMMENT
("CORRECT GLOBAL SNAPSHOT IS: " & CG
);
213 FAILED
("WRONG GLOBAL SNAPSHOT");