From 560de3c4c331fefc30c0ec37feaea0679e636d25 Mon Sep 17 00:00:00 2001
From: Mick Jordan <mick.jordan@oracle.com>
Date: Wed, 22 Jun 2016 14:33:23 -0700
Subject: [PATCH] getParent of emptyEnv returns null
---
.../src/com/oracle/truffle/r/runtime/env/REnvironment.java | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/env/REnvironment.java b/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/env/REnvironment.java
index ee9ad516db..a4a9a72c31 100644
--- a/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/env/REnvironment.java
+++ b/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/env/REnvironment.java
@@ -1051,6 +1051,11 @@ public abstract class REnvironment extends RAttributeStorage implements RTypedVa
super(EMPTY_ENV_NAME, new REnvEmptyFrameAccess());
}
+ @Override
+ public REnvironment getParent() {
+ return null;
+ }
+
@Override
public void put(String key, Object value) throws PutException {
throw new PutException(RError.Message.ENV_ASSIGN_EMPTY);
--
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