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-- A87B59A.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 BECAUSE A GENERIC ACTUAL PROGRAM PARAMETER MUST BE A
-- SUBPROGRAM, AN ENUMERATION LITERAL, OR AN ENTRY WITH THE SAME
-- PARAMETER AND RESULT TYPE PROFILE AS THE FORMAL PARAMETER, AN
-- OVERLOADED NAME APPEARING AS AN ACTUAL PARAMETER CAN BE RESOLVED.
-- R.WILLIAMS 9/24/86
WITH REPORT; USE REPORT;
PROCEDURE A87B59A IS
BEGIN
TEST ( "A87B59A", "CHECK THAT BECAUSE A GENERIC ACTUAL PROGRAM " &
"PARAMETER MUST BE A SUBPROGRAM, AN " &
"ENUMERATION LITERAL, OR AN ENTRY WITH THE " &
"SAME PARAMETER AND RESULT TYPE PROFILE AS " &
"THE FORMAL PARAMETER, AN OVERLOADED NAME " &
"APPEARING AS AN ACTUAL PARAMETER CAN BE " &
"RESOLVED" );
DECLARE -- A.
FUNCTION F1 RETURN INTEGER IS
BEGIN
RETURN IDENT_INT (0);
END F1;
FUNCTION F1 RETURN BOOLEAN IS
BEGIN
RETURN IDENT_BOOL (TRUE);
END F1;
GENERIC
TYPE T IS (<>);
WITH FUNCTION F RETURN T;
PROCEDURE P;
PROCEDURE P IS
BEGIN
NULL;
END P;
PROCEDURE P1 IS NEW P (INTEGER, F1);
PROCEDURE P2 IS NEW P (BOOLEAN, F1);
BEGIN
P1;
P2;
END; -- A.
DECLARE -- B.
FUNCTION F1 (X : INTEGER; B : BOOLEAN) RETURN INTEGER IS
BEGIN
RETURN IDENT_INT (X);
END F1;
FUNCTION F1 (X : INTEGER; B : BOOLEAN) RETURN BOOLEAN IS
BEGIN
RETURN IDENT_BOOL (B);
END F1;
FUNCTION F1 (B : BOOLEAN; X : INTEGER) RETURN BOOLEAN IS
BEGIN
RETURN IDENT_BOOL (B);
END F1;
GENERIC
TYPE T1 IS (<>);
TYPE T2 IS (<>);
WITH FUNCTION F (A : T1; B : T2) RETURN T1;
PROCEDURE P1;
PROCEDURE P1 IS
BEGIN
NULL;
END P1;
GENERIC
TYPE T1 IS (<>);
TYPE T2 IS (<>);
WITH FUNCTION F (A : T1; B : T2) RETURN T2;
PROCEDURE P2;
PROCEDURE P2 IS
BEGIN
NULL;
END P2;
PROCEDURE PROC1 IS NEW P1 (INTEGER, BOOLEAN, F1);
PROCEDURE PROC2 IS NEW P1 (BOOLEAN, INTEGER, F1);
PROCEDURE PROC3 IS NEW P2 (INTEGER, BOOLEAN, F1);
BEGIN
PROC1;
PROC2;
END; -- B.
DECLARE -- C.
TYPE COLOR IS (RED, YELLOW, BLUE);
C : COLOR;
TYPE LIGHT IS (RED, YELLOW, GREEN);
L : LIGHT;
GENERIC
TYPE T IS (<>);
WITH FUNCTION F RETURN T;
FUNCTION GF RETURN T;
FUNCTION GF RETURN T IS
BEGIN
RETURN T'VAL (IDENT_INT (T'POS (F)));
END GF;
FUNCTION F1 IS NEW GF (COLOR, RED);
FUNCTION F2 IS NEW GF (LIGHT, YELLOW);
BEGIN
C := F1;
L := F2;
END; -- C.
DECLARE -- D.
TASK TK IS
ENTRY E (X : INTEGER);
ENTRY E (X : BOOLEAN);
ENTRY E (X : INTEGER; Y : BOOLEAN);
ENTRY E (X : BOOLEAN; Y : INTEGER);
END TK;
TASK BODY TK IS
BEGIN
LOOP
SELECT
ACCEPT E (X : INTEGER);
OR
ACCEPT E (X : BOOLEAN);
OR
ACCEPT E (X : INTEGER; Y : BOOLEAN);
OR
ACCEPT E (X : BOOLEAN; Y : INTEGER);
OR
TERMINATE;
END SELECT;
END LOOP;
END TK;
GENERIC
TYPE T1 IS (<>);
TYPE T2 IS (<>);
WITH PROCEDURE P1 (X : T1);
WITH PROCEDURE P2 (X : T1; Y : T2);
PACKAGE PKG IS
PROCEDURE P;
END PKG;
PACKAGE BODY PKG IS
PROCEDURE P IS
BEGIN
IF EQUAL (3, 3) THEN
P1 (T1'VAL (1));
P2 (T1'VAL (0), T2'VAL (1));
END IF;
END P;
END PKG;
PACKAGE PK1 IS NEW PKG (INTEGER, BOOLEAN, TK.E, TK.E);
PACKAGE PK2 IS NEW PKG (BOOLEAN, INTEGER, TK.E, TK.E);
BEGIN
PK1.P;
PK2.P;
END; -- D.
DECLARE -- E.
FUNCTION "+" (X, Y : BOOLEAN) RETURN BOOLEAN IS
BEGIN
RETURN IDENT_BOOL (X OR Y);
END "+";
GENERIC
TYPE T IS (<>);
WITH FUNCTION "+" (X, Y : T) RETURN T;
PROCEDURE P;
PROCEDURE P IS
S : T;
BEGIN
S := "+" (T'VAL (0), T'VAL (1));
END P;
PROCEDURE P1 IS NEW P (BOOLEAN, "+");
PROCEDURE P2 IS NEW P (INTEGER, "+");
BEGIN
P1;
P2;
END; -- E.
DECLARE -- F.
TYPE ADD_OPS IS ('+', '-', '&');
GENERIC
TYPE T1 IS (<>);
TYPE T2 IS (<>);
TYPE T3 IS ARRAY (POSITIVE RANGE <> ) OF T2;
X2 : T2;
X3 : T3;
WITH FUNCTION F1 RETURN T1;
WITH FUNCTION F2 (X : T2; Y : T3) RETURN T3;
PROCEDURE P;
PROCEDURE P IS
A : T1;
S : T3 (IDENT_INT (1) .. IDENT_INT (2));
BEGIN
A := F1;
S := F2 (X2, X3);
END P;
PROCEDURE P1 IS NEW P (ADD_OPS, CHARACTER, STRING,
'&', "&", '&', "&");
BEGIN
P1;
END; -- F.
RESULT;
END A87B59A;
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