c35507b.ada

来自「用于进行gcc测试」· ADA 代码 · 共 97 行

-- C35507B.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 THE ATTRIBUTE 'WIDTH' YIELDS THE CORRECT RESULTS 
-- WHEN THE PREFIX IS FORMAL DISCRETE TYPE WHOSE ACTUAL PARAMETER IS
-- A CHARACTER TYPE.   

-- RJW 5/29/86

WITH REPORT; USE REPORT;

PROCEDURE  C35507B  IS

     GENERIC
          TYPE CH IS (<>);
     PROCEDURE P ( STR : STRING; W : INTEGER );

     PROCEDURE P ( STR : STRING; W : INTEGER ) IS

          SUBTYPE NOCHAR IS CH RANGE CH'VAL (1) .. CH'VAL(0);
     BEGIN
          IF CH'WIDTH /= W THEN
               FAILED( "INCORRECT WIDTH FOR " & STR );
          END IF;
     
          IF NOCHAR'WIDTH /= 0 THEN
               FAILED( "INCORRECT WIDTH FOR NOCHAR WITH " & STR );
          END IF;
     END P;


BEGIN

     TEST( "C35507B" , "CHECK THAT THE ATTRIBUTE 'WIDTH' YIELDS " &
                       "THE CORRECT RESULTS WHEN THE PREFIX " &
                       "IS A FORMAL DISCRETE TYPE WHOSE ACTUAL " &
                       "PARAMETER IS A CHARACTER TYPE" );

     DECLARE
          TYPE CHAR1 IS (A, 'A');

          SUBTYPE CHAR2 IS CHARACTER RANGE 'A' .. 'Z';
          
          TYPE NEWCHAR IS NEW CHARACTER 
                    RANGE 'A' .. 'Z';

          PROCEDURE P1 IS NEW P (CHAR1);
          PROCEDURE P2 IS NEW P (CHAR2);
          PROCEDURE P3 IS NEW P (NEWCHAR);
     BEGIN
          P1 ("CHAR1", 3);
          P2 ("CHAR2", 3);
          P3 ("NEWCHAR", 3);
     END;

     DECLARE
          SUBTYPE NONGRAPH IS CHARACTER 
                    RANGE CHARACTER'VAL (0) .. CHARACTER'VAL (31);

          MAX : INTEGER := 0;

          PROCEDURE PN IS NEW P (NONGRAPH);
     BEGIN
          FOR CH IN NONGRAPH
               LOOP
                    IF CHARACTER'IMAGE (CH)'LENGTH > MAX THEN
                         MAX := CHARACTER'IMAGE (CH)'LENGTH;
                    END IF;
          END LOOP;
          
          PN ("NONGRAPH", MAX);
     END;                    

     RESULT;
END C35507B;