一个很好的开始是在scala项目上运行proguard的建议参数http://proguard.sourceforge.net/manual/examples.html#scala。这些基本的选择可能会解决大部分这些警告,例如:在SBT与
-keepattributes Signature,*Annotation*
-dontobfuscate
// turn some optimizations off when using -dontobfuscate
-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*,!code/allocation/variable,!class/unboxing/enum
// lots of other classes, e.g. logging
-keep public class ch.qos.logback.** { *;}
-keep public class org.slf4j.** { *;}
如果你正在寻找自动化它,你还可以运行的ProGuard:
-dontwarn scala.**
-keepclasseswithmembers public class * {
public static void main(java.lang.String[]);
}
-keep class * implements org.xml.sax.EntityResolver
-keepclassmembers class * {
** MODULE$;
}
-keepclassmembernames class scala.concurrent.forkjoin.ForkJoinPool {
long eventCount;
int workerCounts;
int runControl;
scala.concurrent.forkjoin.ForkJoinPool$WaitQueueNode syncStack;
scala.concurrent.forkjoin.ForkJoinPool$WaitQueueNode spareStack;
}
-keepclassmembernames class scala.concurrent.forkjoin.ForkJoinWorkerThread {
int base;
int sp;
int runState;
}
-keepclassmembernames class scala.concurrent.forkjoin.ForkJoinTask {
int status;
}
-keepclassmembernames class scala.concurrent.forkjoin.LinkedTransferQueue {
scala.concurrent.forkjoin.LinkedTransferQueue$PaddedAtomicReference head;
scala.concurrent.forkjoin.LinkedTransferQueue$PaddedAtomicReference tail;
scala.concurrent.forkjoin.LinkedTransferQueue$PaddedAtomicReference cleanMe;
}
我也用这sbt-proguard插件。如果您想将其结合到可执行jar或程序包中,则可以将proguard输出送入sbt-assembly或sbt-native-packager。