1-- CC1301A.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 DEFAULT GENERIC SUBPROGRAM PARAMETERS WORK CORRECTLY,
26-- INCLUDING OVERLOADED AND PREDEFINED OPERATOR_SYMBOLS,
27-- AND SUBPROGRAMS HIDDEN AT THE INSTANTIATION.
28-- BOTH KINDS OF DEFAULTS ARE TESTED, FOR BOTH PROCEDURES
29-- AND FUNCTIONS.
30
31-- DAT 8/14/81
32-- JBG 5/5/83
33-- JBG 8/3/83
34
35WITH REPORT; USE REPORT;
36
37PROCEDURE CC1301A IS
38
39     FUNCTION "-" (R, S : INTEGER) RETURN INTEGER;
40
41     FUNCTION NEXT (X : INTEGER) RETURN INTEGER;
42
43     PROCEDURE BUMP (X : IN OUT INTEGER);
44
45     GENERIC
46          WITH FUNCTION "*" (A, B : INTEGER) RETURN INTEGER IS "-";
47          WITH FUNCTION "+" (R, S: INTEGER) RETURN INTEGER IS
48                                                       STANDARD."+";
49          WITH FUNCTION "-" (A, B : INTEGER) RETURN INTEGER IS <> ;
50          WITH FUNCTION NEXTO (Q : INTEGER) RETURN INTEGER IS NEXT ;
51          WITH PROCEDURE BUMPO (A : IN OUT INTEGER) IS BUMP;
52          WITH FUNCTION NEXT (Q : INTEGER) RETURN INTEGER  IS <> ;
53          WITH PROCEDURE BUMP (Q : IN OUT INTEGER) IS <> ;
54          TYPE INTEGER IS RANGE <> ;
55          WITH FUNCTION "*" (A , B : INTEGER) RETURN INTEGER IS <> ;
56          WITH FUNCTION "-" (A, B : INTEGER) RETURN INTEGER IS <> ;
57          WITH FUNCTION NEXT (Q : INTEGER) RETURN INTEGER IS <> ;
58          WITH PROCEDURE BUMP (Z : IN OUT INTEGER) IS <> ;
59     PACKAGE PKG IS
60          SUBTYPE INT IS STANDARD.INTEGER;
61          DIFF : INT := -999;
62     END PKG;
63
64     TYPE NEWINT IS NEW INTEGER RANGE -1000 .. 1000;
65
66     FUNCTION PLUS (Q1, Q2 : INTEGER) RETURN INTEGER RENAMES "+";
67
68     FUNCTION "+" (X, Y : INTEGER) RETURN INTEGER IS
69     BEGIN
70          RETURN PLUS (X, PLUS (Y, -10));
71          -- (X + Y - 10)
72     END "+";
73
74     FUNCTION "-" (R, S : INTEGER) RETURN INTEGER IS
75     BEGIN
76          RETURN - R + S;
77          -- (-R + S - 10)
78     END "-";
79
80     FUNCTION NEXT (X : INTEGER) RETURN INTEGER IS
81     BEGIN
82          RETURN X + 1;
83          -- (X + 1 - 10)
84          -- (X - 9)
85     END NEXT;
86
87     PROCEDURE BUMP (X : IN OUT INTEGER) IS
88     BEGIN
89          X := NEXT (X);
90          -- (X := X - 9)
91     END BUMP;
92
93     PACKAGE BODY PKG IS
94          W : INTEGER;
95          WI : INT;
96     BEGIN
97          W := NEXT (INTEGER'(3) * 4 - 2);
98          -- (W := (4 ** 3 - 2) - 1)
99          -- (W := 61)
100          BUMP (W);
101          -- (W := 61 + 7)
102          -- (W := 68)
103          WI := NEXT (INT'(3) * 4 - 2 + NEXTO (0));
104          -- (3 * 4) => (3 - 4) => (-3 + 4 - 10) = -9
105          -- ((-9) - 2) => (2 + 2 - (-9) - 20) = -7
106          -- (-7 + (-9)) => -16
107          -- (WI := 7 - (-16)) => (WI := 23)
108          BUMPO (WI);
109          -- (WI := 23 - 9) (= 14)
110          BUMP (WI);
111          -- (WI := 14 - 9) (= 5)
112          DIFF := STANDARD."-" (INT(W), WI);
113          -- (DIFF := 68 - 5) (= 63)
114     END PKG;
115
116     FUNCTION "*" (Y, X : NEWINT) RETURN NEWINT IS
117     BEGIN
118          RETURN X ** INTEGER(Y);
119          -- (X,Y) (Y ** X)
120     END "*";
121
122     FUNCTION NEXT (Z : NEWINT) RETURN NEWINT IS
123     BEGIN
124          RETURN Z - 1;
125          -- (Z - 1)
126     END NEXT;
127
128     PROCEDURE BUMP (ZZ : IN OUT NEWINT) IS
129     BEGIN
130          FAILED ("WRONG PROCEDURE CALLED");
131     END BUMP;
132BEGIN
133     TEST ("CC1301A", "DEFAULT GENERIC SUBPROGRAM PARAMETERS");
134
135     DECLARE
136          PROCEDURE BUMP (QQQ : IN OUT NEWINT) IS
137          BEGIN
138               QQQ := QQQ + 7;
139               -- (QQQ + 7)
140          END BUMP;
141
142          FUNCTION NEXT (Q7 : INTEGER) RETURN INTEGER IS
143          BEGIN
144               RETURN Q7 - 17;
145               -- (-Q7 + 17 - 10)
146               -- (7 - Q7)
147          END NEXT;
148
149          FUNCTION "-" (Q3, Q4 : INTEGER) RETURN INTEGER IS
150          BEGIN
151               RETURN -Q3 + Q4 + Q4;
152               -- (-Q3 + Q4 - 10 + Q4 - 10) = (Q4 + Q4 - Q3 - 20)
153          END "-";
154
155          PACKAGE P1 IS NEW PKG (INTEGER => NEWINT);
156
157     BEGIN
158          IF P1.DIFF /= 63 THEN
159               FAILED ("WRONG DEFAULT SUBPROGRAM PARAMETERS");
160          END IF;
161     END;
162
163     RESULT;
164END CC1301A;
165