jruby · Nov 3, 2016 · Nov 3, 2016
diff --git a/truffle/src/main/java/org/jruby/truffle/core/CoreLibrary.java b/truffle/src/main/java/org/jruby/truffle/core/CoreLibrary.java
@@ -841,11 +841,11 @@ private void initializeGlobalVariables() {
 
         globals.put("$,", nilObject);
         globals.put("$*", argv);
-        globals.put("$0", StringOperations.createString(context, StringOperations.encodeRope(context.getJRubyRuntime().getInstanceConfig().displayedFileName(), UTF8Encoding.INSTANCE)));
+        globals.put("$0", StringOperations.createString(context, StringOperations.encodeRope(context.getJRubyInterop().getDisplayedFileName(), UTF8Encoding.INSTANCE)));
 
-        globals.put("$DEBUG", context.getJRubyRuntime().isDebug());
+        globals.put("$DEBUG", context.getJRubyInterop().isDebug());
 
-        Object value = context.getJRubyRuntime().warningsEnabled() ? context.getJRubyRuntime().isVerbose() : nilObject;
+        Object value = context.getJRubyInterop().warningsEnabled() ? context.getJRubyInterop().isVerbose() : nilObject;
         globals.put("$VERBOSE", value);
 
         final DynamicObject defaultRecordSeparator = StringOperations.createString(context, StringOperations.encodeRope(CLI_RECORD_SEPARATOR, UTF8Encoding.INSTANCE));

diff --git a/truffle/src/main/java/org/jruby/truffle/core/kernel/KernelNodes.java b/truffle/src/main/java/org/jruby/truffle/core/kernel/KernelNodes.java
@@ -854,7 +854,7 @@ public abstract static class GetsNode extends CoreMethodArrayArgumentsNode {
         @Specialization
         public DynamicObject gets() {
             // TODO(CS): having some trouble interacting with JRuby stdin - so using this hack
-            final InputStream in = getContext().getJRubyRuntime().getInstanceConfig().getInput();
+            final InputStream in = getContext().getJRubyInterop().getInput();
 
             Encoding encoding = getContext().getEncodingManager().getDefaultExternalEncoding();
 

diff --git a/truffle/src/main/java/org/jruby/truffle/interop/JRubyInterop.java b/truffle/src/main/java/org/jruby/truffle/interop/JRubyInterop.java
@@ -20,6 +20,7 @@
 import org.jruby.truffle.language.loader.SourceLoader;
 
 import java.io.File;
+import java.io.InputStream;
 import java.net.URISyntaxException;
 import java.security.CodeSource;
 import java.util.ArrayList;
@@ -153,4 +154,24 @@ public String getExternalEncoding() {
     public String getInternalEncoding() {
         return jrubyRuntime.getInstanceConfig().getInternalEncoding();
     }
+
+    public CharSequence getDisplayedFileName() {
+        return jrubyRuntime.getInstanceConfig().displayedFileName();
+    }
+
+    public boolean isDebug() {
+        return jrubyRuntime.isDebug();
+    }
+
+    public boolean warningsEnabled() {
+        return jrubyRuntime.warningsEnabled();
+    }
+
+    public boolean isVerbose() {
+        return jrubyRuntime.isVerbose();
+    }
+
+    public InputStream getInput() {
+        return jrubyRuntime.getInstanceConfig().getInput();
+    }
 }
diff --git a/truffle/src/main/java/org/jruby/truffle/parser/BodyTranslator.java b/truffle/src/main/java/org/jruby/truffle/parser/BodyTranslator.java
@@ -2159,7 +2159,6 @@ public RubyNode visitMultipleAsgnNode(MultipleAsgnParseNode node) {
         RubyNode rhsTranslated;
 
         if (rhs == null) {
-            context.getJRubyRuntime().getWarnings().warn(IRubyWarnings.ID.TRUFFLE, source.getName(), node.getPosition().getLine(), "no RHS for multiple assignment - using nil");
             rhsTranslated = nilNode(source, sourceSection);
         } else {
             rhsTranslated = rhs.accept(this);
@@ -2457,7 +2456,6 @@ public RubyNode visitMultipleAsgnNode(MultipleAsgnParseNode node) {
 
             result = new ElidableResultNode(sequence(context, source, sourceSection, sequence), environment.findLocalVarNode(tempRHSName, source, sourceSection));
         } else {
-            context.getJRubyRuntime().getWarnings().warn(IRubyWarnings.ID.TRUFFLE, source.getName(), node.getPosition().getLine(), node + " unknown form of multiple assignment");
             result = nilNode(source, sourceSection);
         }
 
@@ -2906,7 +2904,8 @@ public RubyNode visitRescueNode(RescueParseNode node) {
                         final RescueSplatNode rescueNode = new RescueSplatNode(context, fullSourceSection, splatTranslated, bodyTranslated);
                         rescueNodes.add(rescueNode);
                     } else {
-                        unimplemented(node);
+                        RubyNode result;
+                        throw new UnsupportedOperationException();
                     }
                 } else {
                     RubyNode bodyNode;
@@ -3205,14 +3204,9 @@ protected RubyNode initFlipFlopStates(RubySourceSection sourceSection) {
 
     @Override
     protected RubyNode defaultVisit(ParseNode node) {
-        final RubyNode ret = unimplemented(node);
-        return addNewlineIfNeeded(node, ret);
-    }
-
-    protected RubyNode unimplemented(ParseNode node) {
-        context.getJRubyRuntime().getWarnings().warn(IRubyWarnings.ID.TRUFFLE, source.getName(), node.getPosition().getLine(), node + " does nothing - translating as nil");
         RubySourceSection sourceSection = translate(node.getPosition());
-        return nilNode(source, sourceSection);
+        final RubyNode ret = nilNode(source, sourceSection);
+        return addNewlineIfNeeded(node, ret);
     }
 
     public TranslatorEnvironment getEnvironment() {