1 files changed, 73 insertions, 0 deletions
diff --git a/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/node/ParameterizedTypeNode.java b/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/node/ParameterizedTypeNode.java
new file mode 100644
index 0000000000..7939b41fa7
--- /dev/null
+++ b/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/node/ParameterizedTypeNode.java
@@ -0,0 +1,73 @@
+package org.checkerframework.dataflow.cfg.node;
+
+import java.util.Collection;
+import java.util.Collections;
+
+import org.checkerframework.dataflow.util.HashCodeUtils;
+
+import org.checkerframework.javacutil.InternalUtils;
+
+import com.sun.source.tree.ParameterizedTypeTree;
+import com.sun.source.tree.Tree;
+
+/**
+ * A node for a parameterized type occurring in an expression:
+ *
+ * <pre>
+ *   <em>type&lt;arg1, arg2&gt;</em>
+ * </pre>
+ *
+ * Parameterized types don't represent any computation to be done
+ * at runtime, so we might choose to represent them differently by
+ * modifying the {@link Node}s in which parameterized types can occur, such
+ * as {@link ObjectCreationNode}s.
+ *
+ * @author Stefan Heule
+ * @author Charlie Garrett
+ *
+ */
+
+public class ParameterizedTypeNode extends Node {
+
+    protected Tree tree;
+
+    public ParameterizedTypeNode(Tree t) {
+        super(InternalUtils.typeOf(t));
+        assert t instanceof ParameterizedTypeTree;
+        tree = t;
+    }
+
+    @Override
+    public Tree getTree() {
+        return tree;
+    }
+
+    @Override
+    public <R, P> R accept(NodeVisitor<R, P> visitor, P p) {
+        return visitor.visitParameterizedType(this, p);
+    }
+
+    @Override
+    public String toString() {
+        return getTree().toString();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == null || !(obj instanceof ParameterizedTypeNode)) {
+            return false;
+        }
+        ParameterizedTypeNode other = (ParameterizedTypeNode) obj;
+        return getTree().equals(other.getTree());
+    }
+
+    @Override
+    public int hashCode() {
+        return HashCodeUtils.hash(getTree());
+    }
+
+    @Override
+    public Collection<Node> getOperands() {
+        return Collections.emptyList();
+    }
+}