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-- C38102E.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 AN INCOMPLETE TYPE CAN BE REDECLARED AS A DERIVED GENERIC
-- FORMAL TYPE.
-- AH 8/15/86
-- PWN 01/31/95 REMOVED INCONSISTENCIES WITH ADA 9X.
-- DNT 11/28/95 CHANGED TO FLAG1 := F4.
WITH REPORT; USE REPORT;
PROCEDURE C38102E IS
TYPE RAINBOW IS (RED, ORANGE, YELLOW, GREEN, BLUE, INDIGO, VIOLET);
TYPE T_FLOAT IS DIGITS 5 RANGE -4.0 .. 4.0;
TYPE T_FIXED IS DELTA 0.01 RANGE 0.0 .. 1.5;
SUBTYPE P1 IS INTEGER;
TYPE P2 IS RANGE 0 .. 10;
TYPE P3 IS ARRAY (P2) OF INTEGER;
TYPE P4 IS ARRAY (P2, P2) OF INTEGER;
F1, F2 : BOOLEAN;
GENERIC
TYPE G1 IS (<>);
TYPE G2 IS RANGE <>;
FUNCTION G_DISCRETE RETURN BOOLEAN;
FUNCTION G_DISCRETE RETURN BOOLEAN IS
TYPE INC1;
TYPE INC2;
TYPE F1 IS NEW G1;
TYPE INC1 IS NEW G1;
TYPE INC2 IS NEW G2;
OBJ1_0 : INC1;
OBJ1_1 : INC1;
OBJ2_0 : INC2;
OBJ2_1 : INC2;
OBJ3 : F1;
RESULT_VALUE1 : BOOLEAN := FALSE;
RESULT_VALUE2 : BOOLEAN := FALSE;
BEGIN
OBJ3 := F1'LAST;
OBJ3 := F1'PRED(OBJ3);
IF INC1(OBJ3) = INC1'PRED(INC1'LAST) THEN
RESULT_VALUE1 := TRUE;
END IF;
OBJ2_0 := INC2'FIRST;
OBJ2_1 := INC2'LAST;
IF (OBJ2_0 + OBJ2_1) = (INC2'SUCC(OBJ2_0) +
INC2'PRED(OBJ2_1)) THEN
RESULT_VALUE2 := TRUE;
END IF;
RETURN (RESULT_VALUE1 AND RESULT_VALUE2);
END G_DISCRETE;
GENERIC
TYPE G3 IS DIGITS <>;
TYPE G4 IS DELTA <>;
PROCEDURE REALS (FLAG1, FLAG2 : OUT BOOLEAN);
PROCEDURE REALS (FLAG1, FLAG2 : OUT BOOLEAN) IS
F1, F2, F3, F4, F5, F6, F7, F8 : BOOLEAN;
TYPE INC3;
TYPE INC4;
TYPE P1 IS NEW G3;
TYPE P2 IS NEW G4;
TYPE INC3 IS NEW G3;
TYPE INC4 IS NEW G4;
BEGIN
F4 := P1'LAST = P1(INC3'LAST) AND P1'FIRST = P1(INC3'FIRST);
F5 := P2'FORE = INC4'FORE;
F6 := P2'AFT = INC4'AFT;
F7 := ABS(P2'LAST - P2'FIRST) = P2(ABS(INC4'LAST -
INC4'FIRST));
F8 := INC4(P2'LAST / P2'LAST) = INC4(INC4'LAST / INC4'LAST);
FLAG1 := F4;
FLAG2 := F5 AND F6 AND F7 AND F8;
END REALS;
GENERIC
TYPE ITEM IS PRIVATE;
TYPE INDEX IS RANGE <>;
TYPE G5 IS ARRAY (INDEX) OF ITEM;
TYPE G6 IS ARRAY (INDEX, INDEX) OF ITEM;
PACKAGE DIMENSIONS IS
TYPE INC5;
TYPE INC6;
TYPE D1 IS NEW G5;
TYPE D2 IS NEW G6;
TYPE INC5 IS NEW G5;
TYPE INC6 IS NEW G6;
FUNCTION CHECK RETURN BOOLEAN;
END DIMENSIONS;
PACKAGE BODY DIMENSIONS IS
FUNCTION CHECK RETURN BOOLEAN IS
A1 : INC5;
A2 : INC6;
DIM1 : D1;
DIM2 : D2;
F1, F2 : BOOLEAN;
BEGIN
F1 := A1(INDEX'FIRST)'SIZE = DIM1(INDEX'FIRST)'SIZE;
F2 := A2(INDEX'FIRST, INDEX'LAST)'SIZE =
DIM2(INDEX'FIRST, INDEX'LAST)'SIZE;
RETURN (F1 AND F2);
END CHECK;
END DIMENSIONS;
PROCEDURE PROC IS NEW REALS (G3 => T_FLOAT, G4 => T_FIXED);
FUNCTION DISCRETE IS NEW G_DISCRETE (G1 => RAINBOW, G2 => P2);
PACKAGE PKG IS NEW DIMENSIONS (ITEM => P1, INDEX => P2, G5 => P3,
G6 => P4);
USE PKG;
BEGIN
TEST ("C38102E", "INCOMPLETE TYPES CAN BE DERIVED GENERIC " &
"FORMAL TYPES");
IF NOT DISCRETE THEN
FAILED ("INTEGER AND ENUMERATED TYPES NOT DERIVED");
END IF;
PROC (F1, F2);
IF (NOT F1) THEN
FAILED ("FLOAT TYPES NOT DERIVED");
END IF;
IF (NOT F2) THEN
FAILED ("FIXED TYPES NOT DERIVED");
END IF;
IF NOT CHECK THEN
FAILED ("ONE AND TWO DIMENSIONAL ARRAY TYPES NOT DERIVED");
END IF;
RESULT;
END C38102E;
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