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jeremybenn |
-- CHECK_FILE.ADA
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--
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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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--
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-- THIS IS A PROCEDURE USED BY MANY OF THE CHAPTER 14 TESTS TO CHECK THE
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-- CONTENTS OF A TEXT FILE.
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-- THIS PROCEDURE ASSUMES THE FILE PARAMETER PASSED TO IT IS AN OPEN
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-- TEXT FILE.
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-- THE STRING PARAMETER CONTAINS THE CHARACTERS THAT ARE SUPPOSED TO BE
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-- IN THE TEXT FILE. A '#' CHARACTER IS USED IN THE STRING TO DENOTE
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-- THE END OF A LINE. A '@' CHARACTER IS USED TO DENOTE THE END OF A
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-- PAGE. A '%' CHARACTER IS USED TO DENOTE THE END OF THE TEXT FILE.
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-- THESE SYMBOLS SHOULD NOT BE USED AS TEXT OUTPUT.
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-- SPS 11/30/82
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-- JBG 2/3/83
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WITH REPORT; USE REPORT;
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WITH TEXT_IO; USE TEXT_IO;
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PROCEDURE CHECK_FILE (FILE: IN OUT FILE_TYPE; CONTENTS : STRING) IS
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X : CHARACTER;
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COL_COUNT : POSITIVE_COUNT := 1;
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LINE_COUNT : POSITIVE_COUNT := 1;
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PAGE_COUNT : POSITIVE_COUNT := 1;
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TRAILING_BLANKS_MSG_WRITTEN : BOOLEAN := FALSE;
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STOP_PROCESSING : EXCEPTION;
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PROCEDURE CHECK_END_OF_LINE (EXPECT_END_OF_PAGE : BOOLEAN) IS
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BEGIN
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-- SKIP OVER ANY TRAILING BLANKS. AN IMPLEMENTATION CAN LEGALLY
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-- APPEND BLANKS TO THE END OF ANY LINE.
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WHILE NOT END_OF_LINE (FILE) LOOP
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GET (FILE, X);
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IF X /= ' ' THEN
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FAILED ("FROM CHECK_FILE: END OF LINE EXPECTED - " &
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X & " ENCOUNTERED");
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RAISE STOP_PROCESSING;
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ELSE
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IF NOT TRAILING_BLANKS_MSG_WRITTEN THEN
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COMMENT ("FROM CHECK_FILE: " &
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"THIS IMPLEMENTATION PADS " &
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"LINES WITH BLANKS");
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TRAILING_BLANKS_MSG_WRITTEN := TRUE;
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END IF;
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END IF;
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END LOOP;
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IF LINE_COUNT /= LINE (FILE) THEN
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FAILED ("FROM CHECK_FILE: " &
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"LINE COUNT INCORRECT - EXPECTED " &
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POSITIVE_COUNT'IMAGE(LINE_COUNT) &
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" GOT FROM FILE " &
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POSITIVE_COUNT'IMAGE(LINE(FILE)));
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END IF;
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-- NOTE: DO NOT SKIP_LINE WHEN AT END OF PAGE BECAUSE SKIP_LINE WILL
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-- ALSO SKIP THE PAGE TERMINATOR. SEE RM 14.3.5 PARAGRAPH 1.
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IF NOT EXPECT_END_OF_PAGE THEN
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IF END_OF_PAGE (FILE) THEN
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FAILED ("FROM CHECK_FILE: PREMATURE END OF PAGE");
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RAISE STOP_PROCESSING;
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ELSE
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SKIP_LINE (FILE);
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LINE_COUNT := LINE_COUNT + 1;
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END IF;
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END IF;
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COL_COUNT := 1;
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END CHECK_END_OF_LINE;
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PROCEDURE CHECK_END_OF_PAGE IS
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BEGIN
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IF NOT END_OF_PAGE (FILE) THEN
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FAILED ("FROM CHECK_FILE: " &
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"END_OF_PAGE NOT WHERE EXPECTED");
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RAISE STOP_PROCESSING;
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ELSE
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IF PAGE_COUNT /= PAGE (FILE) THEN
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FAILED ("FROM CHECK_FILE: " &
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"PAGE COUNT INCORRECT - EXPECTED " &
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POSITIVE_COUNT'IMAGE (PAGE_COUNT) &
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" GOT FROM FILE " &
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POSITIVE_COUNT'IMAGE (PAGE(FILE)));
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END IF;
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SKIP_PAGE (FILE);
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PAGE_COUNT := PAGE_COUNT + 1;
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LINE_COUNT := 1;
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END IF;
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END CHECK_END_OF_PAGE;
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BEGIN
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RESET (FILE, IN_FILE);
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SET_LINE_LENGTH (STANDARD_OUTPUT, 0);
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SET_PAGE_LENGTH (STANDARD_OUTPUT, 0);
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FOR I IN 1 .. CONTENTS'LENGTH LOOP
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BEGIN
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CASE CONTENTS (I) IS
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WHEN '#' =>
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CHECK_END_OF_LINE (CONTENTS (I + 1) = '@');
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WHEN '@' =>
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CHECK_END_OF_PAGE;
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WHEN '%' =>
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IF NOT END_OF_FILE (FILE) THEN
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FAILED ("FROM CHECK_FILE: " &
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"END_OF_FILE NOT WHERE EXPECTED");
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RAISE STOP_PROCESSING;
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END IF;
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WHEN OTHERS =>
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IF COL_COUNT /= COL(FILE) THEN
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FAILED ("FROM CHECK_FILE: " &
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"COL COUNT INCORRECT - " &
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"EXPECTED " & POSITIVE_COUNT'
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IMAGE(COL_COUNT) & " GOT FROM " &
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"FILE " & POSITIVE_COUNT'IMAGE
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(COL(FILE)));
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END IF;
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GET (FILE, X);
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COL_COUNT := COL_COUNT + 1;
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IF X /= CONTENTS (I) THEN
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FAILED("FROM CHECK_FILE: " &
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"FILE DOES NOT CONTAIN CORRECT " &
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"OUTPUT - EXPECTED " & CONTENTS(I)
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& " - GOT " & X);
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RAISE STOP_PROCESSING;
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END IF;
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END CASE;
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EXCEPTION
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WHEN STOP_PROCESSING =>
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COMMENT ("FROM CHECK_FILE: " &
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"LAST CHARACTER IN FOLLOWING STRING " &
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"REVEALED ERROR: " & CONTENTS (1 .. I));
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EXIT;
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END;
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END LOOP;
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EXCEPTION
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WHEN STATUS_ERROR =>
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FAILED ("FROM CHECK_FILE: " &
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"STATUS_ERROR RAISED - FILE CHECKING INCOMPLETE");
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WHEN MODE_ERROR =>
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FAILED ("FROM CHECK_FILE: " &
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"MODE_ERROR RAISED - FILE CHECKING INCOMPLETE");
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WHEN NAME_ERROR =>
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FAILED ("FROM CHECK_FILE: " &
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"NAME_ERROR RAISED - FILE CHECKING INCOMPLETE");
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WHEN USE_ERROR =>
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FAILED ("FROM CHECK_FILE: " &
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"USE_ERROR RAISED - FILE CHECKING INCOMPLETE");
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WHEN DEVICE_ERROR =>
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FAILED ("FROM CHECK_FILE: " &
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"DEVICE_ERROR RAISED - FILE CHECKING INCOMPLETE");
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WHEN END_ERROR =>
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FAILED ("FROM CHECK_FILE: " &
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"END_ERROR RAISED - FILE CHECKING INCOMPLETE");
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WHEN DATA_ERROR =>
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FAILED ("FROM CHECK_FILE: " &
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"DATA_ERROR RAISED - FILE CHECKING INCOMPLETE");
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WHEN LAYOUT_ERROR =>
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FAILED ("FROM CHECK_FILE: " &
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"LAYOUT_ERROR RAISED - FILE CHECKING INCOMPLETE");
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WHEN OTHERS =>
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FAILED ("FROM CHECK_FILE: " &
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"SOME EXCEPTION RAISED - FILE CHECKING INCOMPLETE");
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END CHECK_FILE;
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