1 files changed, 31 insertions, 0 deletions
diff --git a/Homework/cs5300/p4-formatter/submit/ast/ExpressionExpression.java b/Homework/cs5300/p4-formatter/submit/ast/ExpressionExpression.java
new file mode 100644
index 0000000..cc79a1d
--- /dev/null
+++ b/Homework/cs5300/p4-formatter/submit/ast/ExpressionExpression.java
@@ -0,0 +1,31 @@
+package submit.ast;
+
+public class ExpressionExpression implements Expression {
+    private Mutable mutable;
+    private Expression expression;
+    private String op;
+
+    public ExpressionExpression(Mutable mutable, Expression expression, String op) {
+        this.mutable = mutable;
+        this.expression = expression;
+        this.op = op;
+    }
+
+    public ExpressionExpression(Mutable mutable, String op) {
+        this.mutable = mutable;
+        this.op = op;
+    }
+
+    @Override
+    public void toCminus(StringBuilder builder, String prefix) {
+        builder.append(prefix);
+        mutable.toCminus(builder, "");
+        if (op != null && expression != null)
+            builder.append(" ");
+        builder.append(op);
+        if (expression != null) {
+            builder.append(" ");
+            expression.toCminus(builder, "");
+        }
+    }
+}