| -- 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; |