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jeremybenn |
-- C64005D0M.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 NESTED SUBPROGRAMS CAN BE CALLED RECURSIVELY AND THAT
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-- NON-LOCAL VARIABLES AND FORMAL PARAMETERS ARE PROPERLY ACCESSED FROM
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-- WITHIN RECURSIVE INVOCATIONS. THIS TEST CHECKS THAT EVERY DISPLAY OR
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-- STATIC CHAIN LEVEL CAN BE ACCESSED.
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-- THIS TEST USES 3 LEVELS OF NESTED RECURSIVE PROCEDURES (SEPARATELY
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-- COMPILED AS SUBUNITS).
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-- SEPARATE FILES ARE:
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-- C64005D0M THE MAIN PROCEDURE.
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-- C64005DA A RECURSIVE PROCEDURE SUBUNIT OF C64005D0M.
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-- C64005DB A RECURSIVE PROCEDURE SUBUNIT OF C64005DA.
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-- C64005DC A RECURSIVE PROCEDURE SUBUNIT OF C64005DB.
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-- JRK 7/30/84
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WITH REPORT; USE REPORT;
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PROCEDURE C64005D0M IS
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SUBTYPE LEVEL IS CHARACTER RANGE 'A' .. 'C';
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SUBTYPE CALL IS CHARACTER RANGE '1' .. '3';
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MAX_LEV : CONSTANT := LEVEL'POS (LEVEL'LAST) -
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LEVEL'POS (LEVEL'FIRST) + 1;
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T_LEN : CONSTANT := 2 * (1 + 3 * (MAX_LEV +
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MAX_LEV*(MAX_LEV+1)/2*2)) + 1;
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G_LEN : CONSTANT := 2 + 4 * MAX_LEV;
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TYPE TRACE IS
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RECORD
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E : NATURAL := 0;
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S : STRING (1 .. T_LEN);
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END RECORD;
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V : CHARACTER := IDENT_CHAR ('<');
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L : CHARACTER := IDENT_CHAR ('>');
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T : TRACE;
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G : STRING (1 .. G_LEN);
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PROCEDURE C64005DA (L : LEVEL; C : CALL; T : IN OUT TRACE) IS
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SEPARATE;
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BEGIN
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TEST ("C64005D", "CHECK THAT NON-LOCAL VARIABLES AND FORMAL " &
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"PARAMETERS AT ALL LEVELS OF NESTED " &
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"RECURSIVE PROCEDURES ARE ACCESSIBLE (FOR " &
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"3 LEVELS OF SEPARATELY COMPILED SUBUNITS)");
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-- APPEND V TO T.
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T.S (T.E+1) := V;
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T.E := T.E + 1;
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C64005DA (IDENT_CHAR(LEVEL'FIRST), IDENT_CHAR('1'), T);
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-- APPEND L TO T.
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T.S (T.E+1) := L;
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T.E := T.E + 1;
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COMMENT ("FINAL CALL TRACE LENGTH IS: " & INTEGER'IMAGE(T.E));
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COMMENT ("FINAL CALL TRACE IS: " & T.S(1..T.E));
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COMMENT ("GLOBAL SNAPSHOT IS: " & G);
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-- CHECK THAT T AND G ARE CORRECT BY COMPUTING THEM ITERATIVELY.
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DECLARE
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SUBTYPE LC_LEVEL IS CHARACTER RANGE ASCII.LC_A ..
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CHARACTER'VAL (CHARACTER'POS(ASCII.LC_A) + MAX_LEV - 1);
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CT : TRACE;
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CG : STRING (1 .. G_LEN);
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BEGIN
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COMMENT ("CORRECT FINAL CALL TRACE LENGTH IS: " &
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INTEGER'IMAGE(T_LEN));
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IF T.E /= IDENT_INT (T_LEN) THEN
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FAILED ("WRONG FINAL CALL TRACE LENGTH");
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ELSE CT.S (CT.E+1) := '<';
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CT.E := CT.E + 1;
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FOR I IN LC_LEVEL LOOP
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CT.S (CT.E+1) := '<';
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CT.E := CT.E + 1;
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FOR J IN LC_LEVEL'FIRST .. I LOOP
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CT.S (CT.E+1) := J;
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CT.S (CT.E+2) := '1';
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CT.E := CT.E + 2;
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END LOOP;
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END LOOP;
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FOR I IN LC_LEVEL LOOP
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CT.S (CT.E+1) := '<';
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CT.E := CT.E + 1;
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FOR J IN LC_LEVEL'FIRST .. LC_LEVEL'PRED(I) LOOP
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CT.S (CT.E+1) := J;
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CT.S (CT.E+2) := '3';
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CT.E := CT.E + 2;
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END LOOP;
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CT.S (CT.E+1) := I;
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CT.S (CT.E+2) := '2';
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CT.E := CT.E + 2;
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CT.S (CT.E+1) := '<';
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CT.E := CT.E + 1;
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FOR J IN LC_LEVEL'FIRST .. I LOOP
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CT.S (CT.E+1) := J;
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CT.S (CT.E+2) := '3';
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CT.E := CT.E + 2;
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END LOOP;
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END LOOP;
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CT.S (CT.E+1) := '=';
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CT.E := CT.E + 1;
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FOR I IN REVERSE LEVEL LOOP
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FOR J IN REVERSE LEVEL'FIRST .. I LOOP
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CT.S (CT.E+1) := J;
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CT.S (CT.E+2) := '3';
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CT.E := CT.E + 2;
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END LOOP;
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CT.S (CT.E+1) := '>';
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CT.E := CT.E + 1;
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CT.S (CT.E+1) := I;
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CT.S (CT.E+2) := '2';
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CT.E := CT.E + 2;
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FOR J IN REVERSE LEVEL'FIRST .. LEVEL'PRED(I) LOOP
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CT.S (CT.E+1) := J;
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CT.S (CT.E+2) := '3';
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CT.E := CT.E + 2;
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END LOOP;
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CT.S (CT.E+1) := '>';
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CT.E := CT.E + 1;
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END LOOP;
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FOR I IN REVERSE LEVEL LOOP
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FOR J IN REVERSE LEVEL'FIRST .. I LOOP
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CT.S (CT.E+1) := J;
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CT.S (CT.E+2) := '1';
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CT.E := CT.E + 2;
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END LOOP;
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CT.S (CT.E+1) := '>';
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CT.E := CT.E + 1;
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END LOOP;
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CT.S (CT.E+1) := '>';
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CT.E := CT.E + 1;
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IF CT.E /= IDENT_INT (T_LEN) THEN
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FAILED ("WRONG ITERATIVE TRACE LENGTH");
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ELSE COMMENT ("CORRECT FINAL CALL TRACE IS: " & CT.S);
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IF T.S /= CT.S THEN
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FAILED ("WRONG FINAL CALL TRACE");
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END IF;
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END IF;
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END IF;
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DECLARE
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E : NATURAL := 0;
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BEGIN
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CG (1..2) := "<>";
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E := E + 2;
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FOR I IN LEVEL LOOP
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CG (E+1) := LC_LEVEL'VAL (LEVEL'POS(I) -
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LEVEL'POS(LEVEL'FIRST) +
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LC_LEVEL'POS
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(LC_LEVEL'FIRST));
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CG (E+2) := '3';
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CG (E+3) := I;
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CG (E+4) := '3';
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E := E + 4;
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END LOOP;
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COMMENT ("CORRECT GLOBAL SNAPSHOT IS: " & CG);
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IF G /= CG THEN
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FAILED ("WRONG GLOBAL SNAPSHOT");
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END IF;
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END;
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END;
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RESULT;
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END C64005D0M;
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