1 files changed, 44 insertions, 0 deletions
diff --git a/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/node/ExplicitThisLiteralNode.java b/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/node/ExplicitThisLiteralNode.java
new file mode 100644
index 0000000000..0c1069843c
--- /dev/null
+++ b/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/node/ExplicitThisLiteralNode.java
@@ -0,0 +1,44 @@
+package org.checkerframework.dataflow.cfg.node;
+
+import org.checkerframework.javacutil.InternalUtils;
+
+import com.sun.source.tree.IdentifierTree;
+import com.sun.source.tree.Tree;
+
+/**
+ * A node for a reference to 'this'.
+ *
+ * <pre>
+ *   <em>this</em>
+ * </pre>
+ *
+ * @author Stefan Heule
+ * @author Charlie Garrett
+ *
+ */
+public class ExplicitThisLiteralNode extends ThisLiteralNode {
+
+    protected Tree tree;
+
+    public ExplicitThisLiteralNode(Tree t) {
+        super(InternalUtils.typeOf(t));
+        assert t instanceof IdentifierTree
+                && ((IdentifierTree) t).getName().contentEquals("this");
+        tree = t;
+    }
+
+    @Override
+    public Tree getTree() {
+        return tree;
+    }
+
+    @Override
+    public <R, P> R accept(NodeVisitor<R, P> visitor, P p) {
+        return visitor.visitExplicitThisLiteral(this, p);
+    }
+
+    @Override
+    public String toString() {
+        return getName();
+    }
+}