1 files changed, 55 insertions, 0 deletions
diff --git a/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/node/StringLiteralNode.java b/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/node/StringLiteralNode.java
new file mode 100644
index 0000000000..e8d9291c55
--- /dev/null
+++ b/third_party/checker_framework_dataflow/java/org/checkerframework/dataflow/cfg/node/StringLiteralNode.java
@@ -0,0 +1,55 @@
+package org.checkerframework.dataflow.cfg.node;
+
+import java.util.Collection;
+import java.util.Collections;
+
+import com.sun.source.tree.LiteralTree;
+import com.sun.source.tree.Tree;
+
+/**
+ * A node for an string literal. For example:
+ *
+ * <pre>
+ *   <em>"abc"</em>
+ * </pre>
+ *
+ * @author Stefan Heule
+ *
+ */
+public class StringLiteralNode extends ValueLiteralNode {
+
+    public StringLiteralNode(LiteralTree t) {
+        super(t);
+        assert t.getKind().equals(Tree.Kind.STRING_LITERAL);
+    }
+
+    @Override
+    public String getValue() {
+        return (String) tree.getValue();
+    }
+
+    @Override
+    public <R, P> R accept(NodeVisitor<R, P> visitor, P p) {
+        return visitor.visitStringLiteral(this, p);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        // test that obj is a StringLiteralNode
+        if (!(obj instanceof StringLiteralNode)) {
+            return false;
+        }
+        // super method compares values
+        return super.equals(obj);
+    }
+
+    @Override
+    public Collection<Node> getOperands() {
+        return Collections.emptyList();
+    }
+
+    @Override
+    public String toString() {
+        return "\"" + super.toString() + "\"";
+    }
+}