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-- C37213F.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 IF -- A DISCRIMINANT CONSTRAINT -- DEPENDS ON A DISCRIMINANT, THE NON-DISCRIMINANT EXPRESSIONS IN THE -- CONSTRAINT ARE EVALUATED WHEN THE COMPONENT SUBTYPE DEFINITION IS -- ELABORATED, BUT THE VALUES ARE CHECKED WHEN THE RECORD TYPE IS: -- -- CASE D: USED WITHOUT A CONSTRAINT ONLY IN AN ALLOCATOR OR OBJECT -- DECLARATION AND THE COMPONENT IS PRESENT IN THE DEFAULT SUBTYPE. -- JBG 10/17/86 WITH REPORT; USE REPORT; PROCEDURE C37213F IS SUBTYPE SM IS INTEGER RANGE 1..10; TYPE REC (D1, D2 : SM) IS RECORD NULL; END RECORD; F1_CONS : INTEGER := 2; FUNCTION CHK ( CONS : INTEGER; VALUE : INTEGER; MESSAGE : STRING) RETURN BOOLEAN IS BEGIN IF CONS /= VALUE THEN FAILED (MESSAGE & ": CONS IS " & INTEGER'IMAGE(CONS)); END IF; RETURN TRUE; END CHK; FUNCTION F1 RETURN INTEGER IS BEGIN F1_CONS := F1_CONS - IDENT_INT(1); RETURN F1_CONS; END F1; BEGIN TEST ("C37213F", "CHECK EVALUATION OF DISCRIMINANT EXPRESSIONS " & "WHEN CONSTRAINT DEPENDS ON DISCRIMINANT, " & "DISCRIMINANTS HAVE DEFAULTS, AND COMPONENT" & "SUBTYPE DETERMINES WHETHER CONSTRAINT SHOULD " & "BE CHECKED"); -- CASE D1: COMPONENT IS PRESENT DECLARE TYPE CONS (D3 : INTEGER := IDENT_INT(1)) IS RECORD CASE D3 IS WHEN -5..10 => C1 : REC (D3, F1); -- F1 EVALUATED WHEN OTHERS => C2 : INTEGER := IDENT_INT(0); END CASE; END RECORD; CHK1 : BOOLEAN := CHK (F1_CONS, 1, "F1 NOT EVALUATED"); X : CONS; -- F1 NOT EVALUATED AGAIN Y : CONS; -- F1 NOT EVALUATED AGAIN CHK2 : BOOLEAN := CHK (F1_CONS, 1, "F1 EVALUATED"); BEGIN IF X /= (1, (1, 1)) OR Y /= (1, (1, 1)) THEN FAILED ("DISCRIMINANT VALUES NOT CORRECT"); END IF; END; F1_CONS := 12; DECLARE TYPE CONS (D3 : INTEGER := IDENT_INT(1)) IS RECORD CASE D3 IS WHEN -5..10 => C1 : REC(D3, F1); WHEN OTHERS => C2 : INTEGER := IDENT_INT(0); END CASE; END RECORD; BEGIN BEGIN DECLARE X : CONS; BEGIN FAILED ("DISCRIMINANT CHECK NOT PERFORMED - 1"); IF X /= (1, (1, 1)) THEN COMMENT ("SHOULDN'T GET HERE"); END IF; END; EXCEPTION WHEN CONSTRAINT_ERROR => NULL; WHEN OTHERS => FAILED ("UNEXPECTED EXCEPTION - 1"); END; BEGIN DECLARE TYPE ACC_CONS IS ACCESS CONS; X : ACC_CONS; BEGIN X := NEW CONS; FAILED ("DISCRIMINANT CHECK NOT PERFORMED - 2"); IF X.ALL /= (1, (1, 1)) THEN COMMENT ("IRRELEVANT"); END IF; EXCEPTION WHEN CONSTRAINT_ERROR => NULL; WHEN OTHERS => FAILED ("UNEXPECTED EXCEPTION RAISED - 2A"); END; EXCEPTION WHEN OTHERS => FAILED ("UNEXPECTED EXCEPTION RAISED - 2B"); END; BEGIN DECLARE SUBTYPE SCONS IS CONS; BEGIN DECLARE X : SCONS; BEGIN FAILED ("DISCRIMINANT CHECK NOT " & "PERFORMED - 3"); IF X /= (1, (1, 1)) THEN COMMENT ("IRRELEVANT"); END IF; END; EXCEPTION WHEN CONSTRAINT_ERROR => NULL; WHEN OTHERS => FAILED ("UNEXPECTED EXCEPTION RAISED - 3"); END; EXCEPTION WHEN OTHERS => FAILED ("CONSTRAINT CHECKED TOO SOON - 3"); END; BEGIN DECLARE TYPE ARR IS ARRAY (1..5) OF CONS; BEGIN DECLARE X : ARR; BEGIN FAILED ("DISCRIMINANT CHECK NOT " & "PERFORMED - 4"); IF X /= (1..5 => (1, (1, 1))) THEN COMMENT ("IRRELEVANT"); END IF; END; EXCEPTION WHEN CONSTRAINT_ERROR => NULL; WHEN OTHERS => FAILED ("UNEXPECTED EXCEPTION RAISED - 4"); END; EXCEPTION WHEN OTHERS => FAILED ("CONSTRAINT CHECKED TOO SOON - 4"); END; BEGIN DECLARE TYPE NREC IS RECORD C1 : CONS; END RECORD; BEGIN DECLARE X : NREC; BEGIN FAILED ("DISCRIMINANT CHECK NOT " & "PERFORMED - 5"); IF X /= (C1 => (1, (1, 1))) THEN COMMENT ("IRRELEVANT"); END IF; END; EXCEPTION WHEN CONSTRAINT_ERROR => NULL; WHEN OTHERS => FAILED ("UNEXPECTED EXCEPTION RAISED - 5"); END; EXCEPTION WHEN OTHERS => FAILED ("CONSTRAINT CHECKED TOO SOON - 5"); END; BEGIN DECLARE TYPE DREC IS NEW CONS; BEGIN DECLARE X : DREC; BEGIN FAILED ("DISCRIMINANT CHECK NOT " & "PERFORMED - 6"); IF X /= (1, (1, 1)) THEN COMMENT ("IRRELEVANT"); END IF; END; EXCEPTION WHEN CONSTRAINT_ERROR => NULL; WHEN OTHERS => FAILED ("UNEXPECTED EXCEPTION RAISED - 6"); END; EXCEPTION WHEN OTHERS => FAILED ("CONSTRAINT CHECKED TOO SOON - 6"); END; END; -- CASE C2 : COMPONENT IS ABSENT F1_CONS := 2; DECLARE TYPE CONS (D3 : INTEGER := IDENT_INT(-6)) IS RECORD CASE D3 IS WHEN -5..10 => C1 : REC (D3, F1); -- F1 EVALUATED WHEN OTHERS => C2 : INTEGER := IDENT_INT(0); END CASE; END RECORD; CHK1 : BOOLEAN := CHK (F1_CONS, 1, "F1 NOT EVALUATED - 2"); X : CONS; -- F1 NOT EVALUATED AGAIN Y : CONS; -- F1 NOT EVALUATED AGAIN CHK2 : BOOLEAN := CHK (F1_CONS, 1, "F1 EVALUATED - 2"); BEGIN IF X /= (-6, 0) OR Y /= (-6, 0) THEN FAILED ("DISCRIMINANT VALUES NOT CORRECT"); END IF; END; F1_CONS := 12; DECLARE TYPE CONS (D3 : INTEGER := IDENT_INT(11)) IS RECORD CASE D3 IS WHEN -5..10 => C1 : REC(D3, F1); WHEN OTHERS => C2 : INTEGER := IDENT_INT(0); END CASE; END RECORD; BEGIN BEGIN DECLARE X : CONS; BEGIN IF X /= (11, 0) THEN FAILED ("WRONG VALUE FOR X - 11"); END IF; END; EXCEPTION WHEN OTHERS => FAILED ("NONEXISTENT CONSTRAINT CHECKED - 11"); END; BEGIN DECLARE SUBTYPE SCONS IS CONS; BEGIN DECLARE X : SCONS; BEGIN IF X /= (11, 0) THEN FAILED ("X VALUE WRONG - 12"); END IF; END; END; EXCEPTION WHEN OTHERS => FAILED ("NONEXISTENT CONSTRAINT CHECKED - 12"); END; BEGIN DECLARE TYPE ARR IS ARRAY (1..5) OF CONS; X : ARR; BEGIN IF X /= (1..5 => (11, 0)) THEN FAILED ("X VALUE INCORRECT - 13"); END IF; END; EXCEPTION WHEN OTHERS => FAILED ("NONEXISTENT CONSTRAINT CHECKED - 13"); END; BEGIN DECLARE TYPE NREC IS RECORD C1 : CONS; END RECORD; X : NREC; BEGIN IF X /= (C1 => (11, 0)) THEN FAILED ("X VALUE IS INCORRECT - 14"); END IF; END; EXCEPTION WHEN OTHERS => FAILED ("NONEXISTENT CONSTRAINT CHECKED - 14"); END; BEGIN DECLARE TYPE NREC IS NEW CONS; X : NREC; BEGIN IF X /= (11, 0) THEN FAILED ("X VALUE INCORRECT - 15"); END IF; END; EXCEPTION WHEN OTHERS => FAILED ("NONEXISTENT CONSTRAINT CHECKED - 15"); END; BEGIN DECLARE TYPE ACC_CONS IS ACCESS CONS; X : ACC_CONS := NEW CONS; BEGIN IF X.ALL /= (11, 0) THEN FAILED ("X VALUE INCORRECT - 17"); END IF; END; EXCEPTION WHEN OTHERS => FAILED ("NONEXISTENT CONSTRAINT CHECKED - 17"); END; END; RESULT; EXCEPTION WHEN OTHERS => FAILED ("CONSTRAINT CHECK DONE TOO EARLY"); RESULT; END C37213F;