Re: Compiling only what is needed to run?

Dead-code removal is an optimization ran *after* the first phases have completed. You can however annotate your method with @GwtIncompatible (in any package, only the annotation's simple-name matters; one is provided in com.google.gwt.core.shared in gwt-user and gwt-servlet, another exists in Guava in com.google.common.annotations, and you can create your own if you don't want a dependency on those libs) and it'll be ignored by the compile.

On Monday, March 7, 2016 at 11:59:51 AM UTC+1, Bruno Salmon wrote:

Ok, great that GWT automatically removes dead code.

I invoke the compiler using the maven plugin so I assume it is a production compile (right?).

But this simple code fails on compilation:

public class MyEntryPoint implements EntryPoint {

    @Override
    public void onModuleLoad() {
        methodCompileOk();
    }

    public void methodCompileOk() {
        Logger.getLogger("").info("This compiles with GWT");
    }

    public void methodCompileNotOk() {
        // Logger.getAnonymousLogger() is not emulated by GWT so this code doesn't compile with GWT
        Logger.getAnonymousLogger().warning("This doesn't compile with GWT");
    }

}

I'm getting this error: The method getAnonymousLogger() is undefined for the type Logger

even if my code actually doesn't call the second method.

Shouldn't the second method be considered as dead code and automatically removed by GWT?

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