FIX: Unbalanced Parentheses in IF Condition Not Seen by Parser (135384)


The information in this article applies to:

  • Microsoft Visual FoxPro for Windows 3.0
  • Microsoft Visual FoxPro for Windows 3.0b
  • Microsoft FoxPro for Windows 2.6a
  • Microsoft FoxPro for MS-DOS 2.6a
This article was previously published under Q135384

SYMPTOMS

You receive incorrect results from an IF...ENDIF when you have unbalanced parentheses in the logical expression or if the later part of the expression has a syntactical error and the beginning of the expression can be logically evaluated.

CAUSE

This is a compatibility issue. Anything that cannot be logically parsed in the expression is treated as a comment on the same line if at least some of the first part of the expression can be evaluated to a logical value.

STATUS

Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article. This problem has been fixed in Visual FoxPro 5.0 for Windows.

MORE INFORMATION

Code to Reproduce Problem

IF (.F.)) OR (.T.)
   ?"true"
ELSE
   ?"false"
ENDIF
Modification Type:MajorLast Reviewed:12/3/2003
Keywords:kbBug kbfix kbvfp500fix KB135384
©2003 Microsoft Corporation. All rights reserved.