RE: - Why does this compile?

From: null <">
Date: Tue, 09 Oct 2007 06:42:53 +0000

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Content-type: text/plain

Hi Rex,

it compiles for the same reason why the following
compiles:

MODULE TestBug;

PROCEDURE Crash*;
VAR i: INTEGER; a: ARRAY 4 OF REAL;
BEGIN
  i:= -800;
  a[i]:= i
END Crash;


END TestBug.Crash

But it traps with an index out of range during runtime.

regards

--
	Bernhard Treutwein, IuK, Ref. III A 3
	Bernhard.Treutwein(at)verwaltung uni-muenchen de
> -----Original Message-----
> From: blackbox{([at]})nowhere.xy> Behalf Of Rex Couture
> Sent: Monday, October 08, 2007 8:31 PM
> To: BlackBox Mailing List
> Subject: [BlackBox] - Why does this compile?
> 
> 
>         This is too simple.  What am I missing?  Why does it 
> compile when the compiler should be able to see the errors?
> 
> Rex Couture
> 
> ===============
> MODULE TestBug;
> 
> PROCEDURE Open* (dev: ARRAY 256 OF SHORTCHAR;
>                                       VAR devConf: ARRAY 256 
> OF SHORTCHAR); VAR i: INTEGER; BEGIN
> FOR i:= -1000000 TO 1000000 DO      (* Why does this compile? *)
>         devConf[i]:= dev[i] END
> END Open;
>                 
> PROCEDURE RealBug*( a: ARRAY 4 OF REAL; VAR sum: REAL);
> VAR i: INTEGER;
> BEGIN
> FOR i:= -800 TO 1000 DO    (* Why does this compile?  *)
>         a[i]:= i END;
> END RealBug;
> 
> END TestBug. 
> 
> --- BlackBox
> --- send subject HELP or UNSUBSCRIBE to blackbox{([at]})nowhere.xy> 
> 
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Received on Tue Oct 09 2007 - 08:42:53 UTC