[Libreoffice-bugs] [Bug 144185] New: Clarification needed about scope/lifetime of different types of variables

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=144185

            Bug ID: 144185
           Summary: Clarification needed about scope/lifetime of different
                    types of variables
           Product: LibreOffice
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: BASIC
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: mikekaganski at hotmail.com

Documentation for Global keyword [1] is wrong, stating that the keyword is for
scope ("the variable and the array are valid in all libraries and modules for
the current session"). The "for the current session" might attempt to express
the idea of keeping its value between different macro invocations - but in
fact, this is completely unclear from the text, unless you know that yourself.

OTOH, documentation on "Using Procedures, Functions and Properties" [2] tells
that there are differences between scope of Global/Public/Private/Dim variables
- and it obviously has problems. It doesn't discuss scope of the Global
variable (only it keeping its value - but is it visible across modules? across
libraries? between macros in shared libraries and document-defined ones (and in
the opposite direction)?) It tells that Private and Dim variables are only
visible in the module it's defined in - but in fact, it's visible also outside.

This needs clarification (and *maybe* fixing, if some types actually have wrong
scope).

[1]
https://help.libreoffice.org/7.3/en-US/text/sbasic/shared/03103450.html?DbPAR=BASIC
[2]
https://help.libreoffice.org/latest/en-US/text/sbasic/shared/01020300.html?DbPAR=BASIC

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