Thanks for the answer. Oh shame, I thought proguard already did this a
decade ago? I mean if the compiler is even slightly smart and a variable is
declared *final*, then its not really runtime state I would have thought
and therefore should be removed. Would it be the same if you did something
like:
if (1==1)
{
_("hello");//this surely would be redundant code and removed?
doSomeWork();//this surely would be redundant code and removed?
}
On Wednesday, March 20, 2019 at 7:50:41 PM UTC+8, Steve Hannah wrote:
>
> Build-time pruning does not make use of any runtime state for determining
> code paths. Therefore changing the value of Prefs.DEBUG would have no
> effect.
>
> On Wed, Mar 20, 2019 at 1:31 AM Gareth Murfin <[email protected]
> <javascript:>> wrote:
>
>> So I always make a method like this:
>>
>> //for printing
>> private static void _(String s)
>> {
>> if (Prefs.DEBUG)
>> {
>> com.codename1.io.Log.p(Prefs.ANSI_GREEN+"####StateMachine
>> "+s);
>> }
>> }
>>
>> then when it comes to release I set Prefs.DEBUG (which is final) to
>> false, would this mean the method was stripped out during compilation? On
>> both iOS/Android? Or not ? It's just that during dev I really need A LOT of
>> print outs to follow my code, but then for release obviously I dont want
>> any. In the old J2ME days I used to do a find and replace on all calls to
>> _("hello"); etc before release, but im wondering if that's necessary
>> anymore?
>>
>> I assume if its not stripped out during compilation then each call even
>> if it really does nothing may add up (i do a lot in loops etc) to
>> eventually slow certain things down (even by X many ms). But from what I
>> understand modern java compilers would remove it since it really doesnt do
>> anything if debug is false.
>>
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>
> --
> Steve Hannah
> Software Developer
> Codename One
> http://www.codenameone.com
>
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