Re: lockvar: what is the purpose?

On Apr 8, 2014 11:53 PM, "Justin M. Keyes" <justinkz@gmail.com> wrote:
>
> Hi,
>
> It seems any plugin can :unlockvar any global variable that was locked by another plugin. So, is the purpose of lockvar simply a friendly warning/sanity check?
>
> Also, is there a speedup gained by using lockvar? (Maybe it helps the vimscript optimizer to know that variable cannot be modified?) If so, should I use lockvar whenever possible in my plugins?

There is no such a thing as "vimscript optimizer". There is even no separate parser: commands (and expressions) are executed as they are parsed, so even

    echo (system('touch abc')

will create file 'abc' even though there is missing closing parenthesis. AST is never created.

>
> Thanks!
>
> Justin M. Keyes
>
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