Fix style

(cherry picked from commit 863439e)

Author: Pavel Marek

com.oracle.truffle.r.ffi.impl/src/com/oracle/truffle/r/ffi/impl/nodes/RfAllocArrayNode.java

@@ -42,9 +42,9 @@ public static RfAllocArrayNode create() {
 
     @Specialization(guards = "mode == type.code", limit = "getGenericDataLibraryCacheSize()")
     protected static Object allocArrayCached(@SuppressWarnings("unused") int mode, RIntVector dims,
-                         @Cached(value = "getType(mode)", allowUncached = true) SEXPTYPE type,
-                         @CachedLibrary("dims.getData()") VectorDataLibrary dimsDataLib,
-                         @Cached SetDimAttributeNode setDimNode) {
+                    @Cached(value = "getType(mode)", allowUncached = true) SEXPTYPE type,
+                    @CachedLibrary("dims.getData()") VectorDataLibrary dimsDataLib,
+                    @Cached SetDimAttributeNode setDimNode) {
         CompilerAsserts.compilationConstant(type);
         return allocArray(dims, dimsDataLib, type, setDimNode);
     }

com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/ffi/RFFILog.java

@@ -26,18 +26,19 @@
 import com.oracle.truffle.api.TruffleLogger;
 import com.oracle.truffle.r.runtime.Collections;
 import com.oracle.truffle.r.runtime.RLogger;
-import com.oracle.truffle.r.runtime.context.RContext;
-
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.logging.Level;
 import com.oracle.truffle.r.runtime.Utils;
+import com.oracle.truffle.r.runtime.context.RContext;
 import com.oracle.truffle.r.runtime.data.RBaseObject;
-import java.util.List;
-import static com.oracle.truffle.r.runtime.RLogger.LOGGER_RFFI;
 import com.oracle.truffle.r.runtime.data.RPairList;
 import org.graalvm.collections.EconomicMap;
 import org.graalvm.collections.MapCursor;
 
+import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.logging.Level;
+
+import static com.oracle.truffle.r.runtime.RLogger.LOGGER_RFFI;
+
 /**
  * Support for logging R FFI.
  * 
@@ -80,6 +81,7 @@ public static void logRObject(String message, Object obj) {
         log(message + " " + rObjectToDebugString(obj));
     }
 
+    @TruffleBoundary
     private static String rObjectToDebugString(Object obj) {
         Object mirror = obj instanceof RBaseObject ? ((RBaseObject) obj).getNativeMirror() : null;
         return String.format("[%s, native mirror: %s]", Utils.getDebugInfo(obj), mirror);