| -- CC3019C1.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. |
| --* |
| -- THIS IS GENERIC PACKAGE WHICH IS USED TO CHECK THE LEVEL OF |
| -- NESTED GENERICS SUPPORTED BY AN IMPLEMENTATION. IT IS USED |
| -- BY MAIN PROCEDURE CC3019C2M.ADA. |
| -- |
| -- HISTORY: |
| -- EDWARD V. BERARD, 31 AUGUST 1990 |
| |
| WITH CC3019C0_LIST_CLASS ; |
| |
| GENERIC |
| |
| TYPE ELEMENT IS LIMITED PRIVATE ; |
| |
| WITH PROCEDURE ASSIGN (SOURCE : IN OUT ELEMENT ; |
| DESTINATION : IN OUT ELEMENT) ; |
| |
| WITH FUNCTION "=" (LEFT : IN ELEMENT ; |
| RIGHT : IN ELEMENT) RETURN BOOLEAN ; |
| |
| PACKAGE CC3019C1_NESTED_GENERICS IS |
| |
| TYPE NESTED_GENERICS_TYPE IS LIMITED PRIVATE ; |
| |
| PROCEDURE COPY (SOURCE : IN OUT NESTED_GENERICS_TYPE ; |
| DESTINATION : IN OUT NESTED_GENERICS_TYPE) ; |
| |
| PROCEDURE SET_ELEMENT |
| (FOR_THIS_NGT_OBJECT : IN OUT NESTED_GENERICS_TYPE ; |
| TO_THIS_ELEMENT : IN OUT ELEMENT) ; |
| |
| PROCEDURE SET_NUMBER |
| (FOR_THIS_NGT_OBJECT : IN OUT NESTED_GENERICS_TYPE ; |
| TO_THIS_NUMBER : IN NATURAL) ; |
| |
| FUNCTION "=" (LEFT : IN NESTED_GENERICS_TYPE ; |
| RIGHT : IN NESTED_GENERICS_TYPE) RETURN BOOLEAN ; |
| |
| FUNCTION ELEMENT_OF (THIS_NGT_OBJECT : IN NESTED_GENERICS_TYPE) |
| RETURN ELEMENT ; |
| |
| FUNCTION NUMBER_OF (THIS_NGT_OBJECT : IN NESTED_GENERICS_TYPE) |
| RETURN NATURAL ; |
| |
| GENERIC |
| |
| TYPE ELEMENT IS LIMITED PRIVATE ; |
| |
| WITH PROCEDURE ASSIGN (SOURCE : IN OUT ELEMENT ; |
| DESTINATION : IN OUT ELEMENT) ; |
| |
| PACKAGE GENERIC_TASK IS |
| |
| TASK TYPE PROTECTED_AREA IS |
| |
| ENTRY STORE (ITEM : IN OUT ELEMENT) ; |
| ENTRY GET (ITEM : IN OUT ELEMENT) ; |
| |
| END PROTECTED_AREA ; |
| |
| END GENERIC_TASK ; |
| |
| GENERIC |
| |
| TYPE ELEMENT IS LIMITED PRIVATE ; |
| |
| WITH PROCEDURE ASSIGN (SOURCE : IN OUT ELEMENT ; |
| DESTINATION : IN OUT ELEMENT) ; |
| |
| WITH FUNCTION "=" (LEFT : IN ELEMENT ; |
| RIGHT : IN ELEMENT) RETURN BOOLEAN ; |
| |
| PACKAGE STACK_CLASS IS |
| |
| TYPE STACK IS LIMITED PRIVATE ; |
| |
| OVERFLOW : EXCEPTION ; |
| UNDERFLOW : EXCEPTION ; |
| |
| PROCEDURE PUSH (THIS_ELEMENT : IN OUT ELEMENT ; |
| ON_TO_THIS_STACK : IN OUT STACK) ; |
| |
| PROCEDURE POP (THIS_ELEMENT : IN OUT ELEMENT ; |
| OFF_THIS_STACK : IN OUT STACK) ; |
| |
| PROCEDURE COPY (THIS_STACK : IN OUT STACK ; |
| TO_THIS_STACK : IN OUT STACK) ; |
| |
| PROCEDURE CLEAR (THIS_STACK : IN OUT STACK) ; |
| |
| GENERIC |
| |
| WITH PROCEDURE PROCESS (THIS_ELEMENT : IN ELEMENT ; |
| CONTINUE : OUT BOOLEAN) ; |
| |
| PROCEDURE ITERATE (OVER_THIS_STACK : IN STACK) ; |
| |
| FUNCTION NUMBER_OF_ELEMENTS (ON_THIS_STACK : IN STACK) |
| RETURN NATURAL ; |
| |
| FUNCTION "=" (LEFT : IN STACK ; |
| RIGHT : IN STACK) RETURN BOOLEAN ; |
| |
| PRIVATE |
| |
| PACKAGE NEW_LIST_CLASS IS NEW |
| CC3019C0_LIST_CLASS (ELEMENT => ELEMENT, |
| ASSIGN => ASSIGN, |
| "=" => "=") ; |
| |
| TYPE STACK IS NEW NEW_LIST_CLASS.LIST ; |
| |
| END STACK_CLASS ; |
| |
| PRIVATE |
| |
| TYPE NESTED_GENERICS_TYPE IS RECORD |
| FIRST : ELEMENT ; |
| SECOND : NATURAL ; |
| END RECORD ; |
| |
| END CC3019C1_NESTED_GENERICS ; |
| |
| PACKAGE BODY CC3019C1_NESTED_GENERICS IS |
| |
| PROCEDURE COPY (SOURCE : IN OUT NESTED_GENERICS_TYPE ; |
| DESTINATION : IN OUT NESTED_GENERICS_TYPE) IS |
| |
| BEGIN -- COPY |
| |
| ASSIGN (SOURCE => SOURCE.FIRST, |
| DESTINATION => DESTINATION.FIRST) ; |
| |
| DESTINATION.SECOND := SOURCE.SECOND ; |
| |
| END COPY ; |
| |
| PROCEDURE SET_ELEMENT |
| (FOR_THIS_NGT_OBJECT : IN OUT NESTED_GENERICS_TYPE ; |
| TO_THIS_ELEMENT : IN OUT ELEMENT) IS |
| |
| BEGIN -- SET_ELEMENT |
| |
| ASSIGN (SOURCE => TO_THIS_ELEMENT, |
| DESTINATION => FOR_THIS_NGT_OBJECT.FIRST) ; |
| |
| END SET_ELEMENT ; |
| |
| PROCEDURE SET_NUMBER |
| (FOR_THIS_NGT_OBJECT : IN OUT NESTED_GENERICS_TYPE ; |
| TO_THIS_NUMBER : IN NATURAL) IS |
| |
| BEGIN -- SET_NUMBER |
| |
| FOR_THIS_NGT_OBJECT.SECOND := TO_THIS_NUMBER ; |
| |
| END SET_NUMBER ; |
| |
| FUNCTION "=" (LEFT : IN NESTED_GENERICS_TYPE ; |
| RIGHT : IN NESTED_GENERICS_TYPE) RETURN BOOLEAN IS |
| |
| BEGIN -- "=" |
| |
| IF (LEFT.FIRST = RIGHT.FIRST) AND |
| (LEFT.SECOND = RIGHT.SECOND) THEN |
| RETURN TRUE ; |
| ELSE |
| RETURN FALSE ; |
| END IF ; |
| |
| END "=" ; |
| |
| FUNCTION ELEMENT_OF (THIS_NGT_OBJECT : IN NESTED_GENERICS_TYPE) |
| RETURN ELEMENT IS |
| |
| BEGIN -- ELEMENT_OF |
| |
| RETURN THIS_NGT_OBJECT.FIRST ; |
| |
| END ELEMENT_OF ; |
| |
| FUNCTION NUMBER_OF (THIS_NGT_OBJECT : IN NESTED_GENERICS_TYPE) |
| RETURN NATURAL IS |
| |
| BEGIN -- NUMBER_OF |
| |
| RETURN THIS_NGT_OBJECT.SECOND ; |
| |
| END NUMBER_OF ; |
| |
| PACKAGE BODY GENERIC_TASK IS |
| |
| TASK BODY PROTECTED_AREA IS |
| |
| LOCAL_STORE : ELEMENT ; |
| |
| BEGIN -- PROTECTED_AREA |
| |
| LOOP |
| SELECT |
| ACCEPT STORE (ITEM : IN OUT ELEMENT) DO |
| ASSIGN (SOURCE => ITEM, |
| DESTINATION => LOCAL_STORE) ; |
| END STORE ; |
| OR |
| ACCEPT GET (ITEM : IN OUT ELEMENT) DO |
| ASSIGN (SOURCE => LOCAL_STORE, |
| DESTINATION => ITEM) ; |
| END GET ; |
| OR |
| TERMINATE ; |
| END SELECT ; |
| END LOOP ; |
| |
| END PROTECTED_AREA ; |
| |
| END GENERIC_TASK ; |
| |
| PACKAGE BODY STACK_CLASS IS |
| |
| PROCEDURE PUSH (THIS_ELEMENT : IN OUT ELEMENT ; |
| ON_TO_THIS_STACK : IN OUT STACK) IS |
| |
| BEGIN -- PUSH |
| |
| NEW_LIST_CLASS.ADD ( |
| THIS_ELEMENT => THIS_ELEMENT, |
| TO_THIS_LIST => |
| NEW_LIST_CLASS.LIST (ON_TO_THIS_STACK)) ; |
| |
| EXCEPTION |
| |
| WHEN NEW_LIST_CLASS.OVERFLOW => RAISE OVERFLOW ; |
| |
| END PUSH ; |
| |
| PROCEDURE POP (THIS_ELEMENT : IN OUT ELEMENT ; |
| OFF_THIS_STACK : IN OUT STACK) IS |
| |
| BEGIN -- POP |
| |
| NEW_LIST_CLASS.DELETE ( |
| THIS_ELEMENT => THIS_ELEMENT, |
| FROM_THIS_LIST => |
| NEW_LIST_CLASS.LIST (OFF_THIS_STACK)) ; |
| |
| EXCEPTION |
| |
| WHEN NEW_LIST_CLASS.UNDERFLOW => RAISE UNDERFLOW ; |
| |
| END POP ; |
| |
| PROCEDURE COPY (THIS_STACK : IN OUT STACK ; |
| TO_THIS_STACK : IN OUT STACK) IS |
| |
| BEGIN -- COPY |
| |
| NEW_LIST_CLASS.COPY ( |
| THIS_LIST => NEW_LIST_CLASS.LIST (THIS_STACK), |
| TO_THIS_LIST => |
| NEW_LIST_CLASS.LIST (TO_THIS_STACK)) ; |
| |
| END COPY ; |
| |
| PROCEDURE CLEAR (THIS_STACK : IN OUT STACK) IS |
| |
| BEGIN -- CLEAR |
| |
| NEW_LIST_CLASS.CLEAR (NEW_LIST_CLASS.LIST (THIS_STACK)) ; |
| |
| END CLEAR ; |
| |
| PROCEDURE ITERATE (OVER_THIS_STACK : IN STACK) IS |
| |
| PROCEDURE STACK_ITERATE IS NEW NEW_LIST_CLASS.ITERATE |
| (PROCESS => PROCESS) ; |
| |
| BEGIN -- ITERATE |
| |
| STACK_ITERATE (NEW_LIST_CLASS.LIST (OVER_THIS_STACK)) ; |
| |
| END ITERATE ; |
| |
| FUNCTION NUMBER_OF_ELEMENTS (ON_THIS_STACK : IN STACK) |
| RETURN NATURAL IS |
| |
| BEGIN -- NUMBER_OF_ELEMENTS |
| |
| RETURN NEW_LIST_CLASS.NUMBER_OF_ELEMENTS |
| (IN_THIS_LIST => |
| NEW_LIST_CLASS.LIST (ON_THIS_STACK)) ; |
| |
| END NUMBER_OF_ELEMENTS ; |
| |
| FUNCTION "=" (LEFT : IN STACK ; |
| RIGHT : IN STACK) RETURN BOOLEAN IS |
| |
| BEGIN -- "=" |
| |
| RETURN NEW_LIST_CLASS."=" ( |
| LEFT => NEW_LIST_CLASS.LIST (LEFT), |
| RIGHT => NEW_LIST_CLASS.LIST (RIGHT)) ; |
| |
| END "=" ; |
| |
| END STACK_CLASS ; |
| |
| END CC3019C1_NESTED_GENERICS ; |
