diff --git a/com.oracle.truffle.r.engine/src/com/oracle/truffle/r/engine/interop/REmptyMR.java b/com.oracle.truffle.r.engine/src/com/oracle/truffle/r/engine/interop/REmptyMR.java
new file mode 100644
index 0000000000000000000000000000000000000000..99277bbbcfbee60a210c5d0eacf8c530faa4dae0
--- /dev/null
+++ b/com.oracle.truffle.r.engine/src/com/oracle/truffle/r/engine/interop/REmptyMR.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.truffle.r.engine.interop;
+
+import com.oracle.truffle.api.interop.CanResolve;
+import com.oracle.truffle.api.interop.MessageResolution;
+import com.oracle.truffle.api.interop.Resolve;
+import com.oracle.truffle.api.interop.TruffleObject;
+import com.oracle.truffle.api.nodes.Node;
+import com.oracle.truffle.r.engine.TruffleRLanguage;
+import com.oracle.truffle.r.runtime.data.REmpty;
+
+@MessageResolution(receiverType = REmpty.class, language = TruffleRLanguage.class)
+public class REmptyMR {
+
+ @Resolve(message = "IS_BOXED")
+ public abstract static class REmptyIsBoxedNode extends Node {
+ protected Object access(@SuppressWarnings("unused") REmpty receiver) {
+ return false;
+ }
+ }
+
+ @Resolve(message = "HAS_SIZE")
+ public abstract static class REmptyHasSizeNode extends Node {
+ protected Object access(@SuppressWarnings("unused") REmpty receiver) {
+ return false;
+ }
+ }
+
+ @Resolve(message = "IS_NULL")
+ public abstract static class REmptyIsNullNode extends Node {
+ protected Object access(@SuppressWarnings("unused") REmpty receiver) {
+ return false;
+ }
+ }
+
+ @CanResolve
+ public abstract static class REmptyCheck extends Node {
+
+ protected static boolean test(TruffleObject receiver) {
+ return receiver instanceof REmpty;
+ }
+ }
+}
diff --git a/com.oracle.truffle.r.engine/src/com/oracle/truffle/r/engine/interop/RForeignAccessFactoryImpl.java b/com.oracle.truffle.r.engine/src/com/oracle/truffle/r/engine/interop/RForeignAccessFactoryImpl.java
index 53949ae75dfacdee0e86c8c99d7777dd4d1c1589..fa203c367ab06940717e8f66f02b92fb8910150b 100644
--- a/com.oracle.truffle.r.engine/src/com/oracle/truffle/r/engine/interop/RForeignAccessFactoryImpl.java
+++ b/com.oracle.truffle.r.engine/src/com/oracle/truffle/r/engine/interop/RForeignAccessFactoryImpl.java
@@ -35,16 +35,18 @@ import com.oracle.truffle.r.runtime.context.RContext;
import com.oracle.truffle.r.runtime.context.RForeignAccessFactory;
import com.oracle.truffle.r.runtime.data.RArgsValuesAndNames;
import com.oracle.truffle.r.runtime.data.RDouble;
+import com.oracle.truffle.r.runtime.data.REmpty;
import com.oracle.truffle.r.runtime.data.RExternalPtr;
import com.oracle.truffle.r.runtime.data.RFunction;
import com.oracle.truffle.r.runtime.data.RInteger;
import com.oracle.truffle.r.runtime.data.RInteropScalar;
import com.oracle.truffle.r.runtime.data.RLanguage;
import com.oracle.truffle.r.runtime.data.RList;
+import com.oracle.truffle.r.runtime.data.RMissing;
import com.oracle.truffle.r.runtime.data.RNull;
import com.oracle.truffle.r.runtime.data.RPairList;
-import com.oracle.truffle.r.runtime.data.RS4Object;
import com.oracle.truffle.r.runtime.data.RPromise;
+import com.oracle.truffle.r.runtime.data.RS4Object;
import com.oracle.truffle.r.runtime.data.RSymbol;
import com.oracle.truffle.r.runtime.data.RTruffleObject;
import com.oracle.truffle.r.runtime.data.RUnboundValue;
@@ -127,6 +129,10 @@ public final class RForeignAccessFactoryImpl implements RForeignAccessFactory {
return ActiveBindingMRForeign.ACCESS;
} else if (obj instanceof RInteropScalar) {
return RInteropScalarMRForeign.ACCESS;
+ } else if (obj instanceof RMissing) {
+ return RMissingMRForeign.ACCESS;
+ } else if (obj instanceof REmpty) {
+ return REmptyMRForeign.ACCESS;
} else {
if (obj instanceof RAbstractVector) {
diff --git a/com.oracle.truffle.r.engine/src/com/oracle/truffle/r/engine/interop/RMissingMR.java b/com.oracle.truffle.r.engine/src/com/oracle/truffle/r/engine/interop/RMissingMR.java
new file mode 100644
index 0000000000000000000000000000000000000000..656843ed0c421fa4281d00467a90ca850a28203d
--- /dev/null
+++ b/com.oracle.truffle.r.engine/src/com/oracle/truffle/r/engine/interop/RMissingMR.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.truffle.r.engine.interop;
+
+import com.oracle.truffle.api.interop.CanResolve;
+import com.oracle.truffle.api.interop.MessageResolution;
+import com.oracle.truffle.api.interop.Resolve;
+import com.oracle.truffle.api.interop.TruffleObject;
+import com.oracle.truffle.api.nodes.Node;
+import com.oracle.truffle.r.engine.TruffleRLanguage;
+import com.oracle.truffle.r.runtime.data.RMissing;
+
+@MessageResolution(receiverType = RMissing.class, language = TruffleRLanguage.class)
+public class RMissingMR {
+
+ @Resolve(message = "IS_BOXED")
+ public abstract static class RMissingIsBoxedNode extends Node {
+ protected Object access(@SuppressWarnings("unused") RMissing receiver) {
+ return false;
+ }
+ }
+
+ @Resolve(message = "HAS_SIZE")
+ public abstract static class RMissingHasSizeNode extends Node {
+ protected Object access(@SuppressWarnings("unused") RMissing receiver) {
+ return false;
+ }
+ }
+
+ @Resolve(message = "IS_NULL")
+ public abstract static class RMissingIsNullNode extends Node {
+ protected Object access(@SuppressWarnings("unused") RMissing receiver) {
+ return false;
+ }
+ }
+
+ @CanResolve
+ public abstract static class RMissingCheck extends Node {
+
+ protected static boolean test(TruffleObject receiver) {
+ return receiver instanceof RMissing;
+ }
+ }
+}
diff --git a/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/env/RScope.java b/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/env/RScope.java
index 405f9e0a72ccac93676d3b03b848582d936366c7..f338a25c9ac534364d623a9b5a338e3256d0da13 100644
--- a/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/env/RScope.java
+++ b/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/env/RScope.java
@@ -31,6 +31,7 @@ import com.oracle.truffle.api.interop.Resolve;
import com.oracle.truffle.api.interop.TruffleObject;
import com.oracle.truffle.api.interop.UnknownIdentifierException;
import com.oracle.truffle.api.interop.UnsupportedMessageException;
+import com.oracle.truffle.api.interop.UnsupportedTypeException;
import com.oracle.truffle.api.metadata.ScopeProvider.AbstractScope;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.r.runtime.ArgumentsSignature;
@@ -39,6 +40,7 @@ import com.oracle.truffle.r.runtime.RInternalError;
import com.oracle.truffle.r.runtime.context.RContext;
import com.oracle.truffle.r.runtime.data.RFunction;
import com.oracle.truffle.r.runtime.data.RStringVector;
+import com.oracle.truffle.r.runtime.data.RTypedValue;
import com.oracle.truffle.r.runtime.env.REnvironment.PutException;
/**
@@ -224,6 +226,9 @@ public final class RScope extends AbstractScope {
if (varMap.env == null) {
throw UnsupportedMessageException.raise(Message.WRITE);
}
+ if (!(value instanceof RTypedValue)) {
+ throw UnsupportedTypeException.raise(new Object[]{value});
+ }
try {
varMap.env.put(name, value);
return value;