Initial commit

src/main/java/chocopy/common/astnodes/NoneLiteral.java

@@ -0,0 +1,21 @@
+package chocopy.common.astnodes;
+
+import chocopy.common.analysis.NodeAnalyzer;
+import java_cup.runtime.ComplexSymbolFactory.Location;
+
+/**
+ * The expression 'None'.
+ */
+public final class NoneLiteral extends Literal {
+
+    /**
+     * The AST for None, spanning source locations [LEFT..RIGHT].
+     */
+    public NoneLiteral(Location left, Location right) {
+        super(left, right);
+    }
+
+    public <T> T dispatch(NodeAnalyzer<T> analyzer) {
+        return analyzer.analyze(this);
+    }
+}