Move YGLogger into YGConfig and associate YGNodeRef with log events

Summary:
Moves the `YGLogger` into `YGConfig` and pass the `YGNodeRef` into the logger to be able to associate the log messages and assertions with the specific node.

Tackles facebook/yoga#530 and facebook/yoga#446
Closes https://github.com/facebook/yoga/pull/531

Reviewed By: astreet

Differential Revision: D4970149

Pulled By: emilsjolander

fbshipit-source-id: b7fcdaa273143ea2fa35861620b2e4d79f04f0af

java/com/facebook/yoga/YogaConfig.java

@@ -20,6 +20,7 @@ public class YogaConfig {
   }
 
   long mNativePointer;
+  private YogaLogger mLogger;
 
   private native long jni_YGConfigNew();
   public YogaConfig() {
@@ -67,4 +68,14 @@ public class YogaConfig {
   public void setUseLegacyStretchBehaviour(boolean useLegacyStretchBehaviour) {
     jni_YGConfigSetUseLegacyStretchBehaviour(mNativePointer, useLegacyStretchBehaviour);
   }
+
+  private native void jni_YGConfigSetLogger(long nativePointer, Object logger);
+  public void setLogger(YogaLogger logger) {
+    mLogger = logger;
+    jni_YGConfigSetLogger(mNativePointer, logger);
+  }
+
+  public YogaLogger getLogger() {
+    return mLogger;
+  }
 }

java/com/facebook/yoga/YogaLogLevel.java

@@ -17,7 +17,8 @@ public enum YogaLogLevel {
   WARN(1),
   INFO(2),
   DEBUG(3),
-  VERBOSE(4);
+  VERBOSE(4),
+  FATAL(5);
 
   private int mIntValue;
 
@@ -36,6 +37,7 @@ public enum YogaLogLevel {
       case 2: return INFO;
       case 3: return DEBUG;
       case 4: return VERBOSE;
+      case 5: return FATAL;
       default: throw new IllegalArgumentException("Unknown enum value: " + value);
     }
   }

java/com/facebook/yoga/YogaLogger.java

@@ -18,5 +18,5 @@ import com.facebook.proguard.annotations.DoNotStrip;
 @DoNotStrip
 public interface YogaLogger {
   @DoNotStrip
-  void log(YogaLogLevel level, String message);
+  void log(YogaNode node, YogaLogLevel level, String message);
 }

java/com/facebook/yoga/YogaNode.java

@@ -28,12 +28,6 @@ public class YogaNode {
    * Get native instance count. Useful for testing only.
    */
   static native int jni_YGNodeGetInstanceCount();
-  static native void jni_YGLog(int level, String message);
-
-  private static native void jni_YGSetLogger(Object logger);
-  public static void setLogger(YogaLogger logger) {
-    jni_YGSetLogger(logger);
-  }
 
   private YogaNode mParent;
   private List<YogaNode> mChildren;