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jeremybenn |
-- C52104X.ADA
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-- Grant of Unlimited Rights
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--
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- unlimited rights in the software and documentation contained herein.
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- this public release, the Government intends to confer upon all
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-- recipients unlimited rights equal to those held by the Government.
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-- These rights include rights to use, duplicate, release or disclose the
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-- released technical data and computer software in whole or in part, in
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- to do so.
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--
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-- DISCLAIMER
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--
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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-- CHECK THAT LENGTHS MUST MATCH IN ARRAY AND SLICE ASSIGNMENTS.
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-- MORE SPECIFICALLY, TEST THAT ATTEMPTED ASSIGNMENTS BETWEEN
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-- ARRAYS WITH NON-MATCHING LENGTHS LEAVE THE DESTINATION ARRAY
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-- INTACT AND CAUSE CONSTRAINT_ERROR TO BE RAISED.
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-- (OVERLAPS BETWEEN THE OPERANDS OF THE ASSIGNMENT STATEMENT
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-- ARE TREATED ELSEWHERE.)
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-- THIS IS A SPECIAL CASE IN
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-- DIVISION C : NON-NULL ARRAYS WHOSE LENGTHS ARE NOT DETERMINABLE
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-- STATICALLY
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-- WHICH TREATS ARRAYS OF LENGTH GREATER THAN INTEGER'LAST .
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-- AN ADDITIONAL OBJECTIVE OF THIS TEST IS TO CHECK WHETHER LENGTH
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-- COMPARISONS (AND LENGTH COMPUTATIONS) CAUSE
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-- CONSTRAINT_ERROR TO BE RAISED.
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-- *** NOTE: This test has been modified since ACVC version 1.11 to -- 9X
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-- *** remove incompatibilities associated with the transition -- 9X
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-- *** to Ada 9X. -- 9X
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-- *** -- 9X
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-- RM 07/31/81
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-- SPS 02/07/83
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-- EG 10/28/85 FIX NUMERIC_ERROR/CONSTRAINT_ERROR ACCORDING TO
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-- AI-00387.
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-- JRK 06/24/86 FIXED COMMENTS ABOUT NUMERIC_ERROR/CONSTRAINT_ERROR.
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-- MRM 03/30/93 REMOVED NUMERIC_ERROR FOR 9X INCOMPATIBILITY
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WITH REPORT;
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PROCEDURE C52104X IS
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USE REPORT ;
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BEGIN
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TEST( "C52104X" , "CHECK THAT IN ARRAY ASSIGNMENTS AND IN SLICE " &
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"ASSIGNMENTS, THE LENGTHS MUST MATCH; ALSO " &
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"CHECK WHETHER CONSTRAINT_ERROR " &
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"OR STORAGE_ERROR ARE RAISED FOR LARGE ARRAYS");
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-- IN THIS TEST WE CAN'T USE AGGREGATE ASSIGNMENT (EXCEPT WHEN
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-- THE AGGREGATES ARE STRING LITERALS); THEREFORE:
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--
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-- (1) ARRAYS WILL BE INITIALIZED BY INDIVIDUAL ASSIGNMENTS;
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-- (2) CAN'T USE NON-NULL CONSTANT ARRAYS.
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-- WE ASSUME THAT IN AN ARRAY_TYPE_DEFINITION THE INDEX PORTION
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-- AND THE COMPONENT_TYPE PORTION ARE FUNCTIONALLY ORTHOGONAL
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-- ALSO AT THE IMPLEMENTATION LEVEL, I.E. THAT THE CORRECTNESS
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-- OF THE ACCESSING MECHANISM FOR ARRAYS DOES NOT DEPEND ON
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-- COMPONENT_TYPE. ACCORDINGLY WE ARE TESTING FOR SOME BUT
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-- NOT ALL KINDS OF COMPONENT_TYPE. (COMPONENT_TYPES INCLUDED:
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-- INTEGER , CHARACTER , BOOLEAN .)
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-------------------------------------------------------------------
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-- (12) SLICED ONE-DIMENSIONAL ARRAY OBJECTS WHOSE TYPEMARKS
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-- WERE DEFINED USING THE "BOX" SYMBOL
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-- AND FOR WHICH THE COMPONENT TYPE IS NOT 'CHARACTER' .
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-- ((ONE-DIMENSIONAL) ARRAYS OF BOOLEANS.)
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CONSTR_ERR: -- THIS BLOCK CATCHES CONSTRAINT_ERROR
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-- FOR THE SUBTYPE DECLARATION.
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BEGIN
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DCL_ARR: DECLARE -- THIS BLOCK DECLARES THE ARRAY SUBTYPE.
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TYPE TABOX5 IS ARRAY( INTEGER RANGE <> ) OF BOOLEAN ;
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PRAGMA PACK (TABOX5);
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SUBTYPE TABOX51 IS TABOX5
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(IDENT_INT(-6)..IDENT_INT(INTEGER'LAST-4));
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-- CONSTRAINT_ERROR MAY BE RAISED BY THIS
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-- SUBTYPE DECLARATION.
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BEGIN
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COMMENT ("NO CONSTRAINT_ERROR FOR TYPE " &
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"WITH 'LENGTH = INTEGER'LAST + 3");
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OBJ_DCL: DECLARE -- THIS BLOCK DECLARES TWO BOOLEAN ARRAYS THAT
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-- HAVE INTEGER'LAST + 3 COMPONENTS;
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-- STORAGE_ERROR MAY BE RAISED.
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ARRX51 : TABOX51 ;
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ARRX52 : TABOX5
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(IDENT_INT(-2)..IDENT_INT( INTEGER'LAST));
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BEGIN
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COMMENT ("NO STORAGE_ERROR OR " &
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"CONSTRAINT_ERROR RAISED WHEN ALLOCATING TWO " &
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"BIG BOOLEAN ARRAYS");
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-- INITIALIZATION OF LHS ARRAY:
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NO_EXCP: BEGIN -- NO EXCEPTION SHOULD OCCUR IN THIS BLOCK
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FOR I IN IDENT_INT(-2)..IDENT_INT(9) LOOP
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ARRX52( I ) := FALSE ;
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END LOOP;
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-- INITIALIZATION OF RHS ARRAY:
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-- ONLY A SHORT INITIAL SEGMENT IS INITIALIZED,
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-- SINCE A COMPLETE INITIALIZATION MIGHT TAKE TOO LONG
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-- AND THE EXECUTION MIGHT BE ABORTED BEFORE THE LENGTH
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-- COMPARISON OF THE ARRAY ASSIGNMENT IS ATTEMPTED.
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FOR I IN IDENT_INT(-6)..IDENT_INT(5) LOOP
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ARRX51( I ) := TRUE ;
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END LOOP;
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EXCEPTION
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WHEN CONSTRAINT_ERROR =>
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FAILED ("CONSTRAINT_ERROR RAISED WHEN " &
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"ASSIGNING TO ARRAY COMPONENTS");
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WHEN OTHERS =>
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FAILED ("OTHER EXCEPTION RAISED - 1");
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END NO_EXCP;
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DO_SLICE: BEGIN
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-- SLICE ASSIGNMENT:
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ARRX52( IDENT_INT(-1)..IDENT_INT(INTEGER'LAST )) :=
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ARRX51(
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IDENT_INT(-4)..IDENT_INT(INTEGER'LAST-4) ) ;
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FAILED( "EXCEPTION NOT RAISED (12)" );
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EXCEPTION
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WHEN CONSTRAINT_ERROR =>
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COMMENT ("CONSTRAINT_ERROR RAISED DURING " &
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"CHECK FOR SLICE ASSIGNMENT");
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-- CHECKING THE VALUES AFTER THE SLICE
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-- ASSIGNMENT:
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FOR I IN IDENT_INT(-2)..IDENT_INT(9) LOOP
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IF ARRX52( I ) /= FALSE
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THEN
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FAILED( "LHS ARRAY ALTERED (12A)");
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END IF;
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END LOOP;
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WHEN STORAGE_ERROR =>
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COMMENT ("STORAGE_ERROR RAISED DURING CHECK " &
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"FOR SLICE ASSIGNMENT");
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WHEN OTHERS =>
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FAILED ("SOME EXCEPTION RAISED DURING SLICE");
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END DO_SLICE;
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END OBJ_DCL;
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EXCEPTION
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WHEN STORAGE_ERROR =>
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COMMENT ("STORAGE_ERROR RAISED WHEN DECLARING " &
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"TWO PACKED BOOLEAN ARRAYS WITH " &
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"INTEGER'LAST + 3 COMPONENTS");
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WHEN CONSTRAINT_ERROR =>
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COMMENT ("CONSTRAINT_ERROR RAISED WHEN DECLARING " &
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"TWO PACKED BOOLEAN ARRAYS WITH " &
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"INTEGER'LAST + 3 COMPONENTS");
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WHEN OTHERS =>
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FAILED ("SOME EXCEPTION RAISED - 3");
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END DCL_ARR;
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EXCEPTION
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WHEN CONSTRAINT_ERROR =>
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COMMENT ("CONSTRAINT_ERROR RAISED WHEN DECLARING AN " &
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"ARRAY SUBTYPE WITH INTEGER'LAST + 3 " &
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"COMPONENTS");
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WHEN STORAGE_ERROR =>
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FAILED ("STORAGE_ERROR RAISED FOR TYPE DECLARATION");
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WHEN OTHERS =>
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FAILED ("OTHER EXCEPTION RAISED - 4");
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END CONSTR_ERR;
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RESULT ;
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END C52104X;
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