1 files changed, 43 insertions, 0 deletions
diff --git a/JPratt/src/main/java/com/ashardalon/pratt/commands/impls/ConstantCommand.java b/JPratt/src/main/java/com/ashardalon/pratt/commands/impls/ConstantCommand.java
new file mode 100644
index 0000000..dd80205
--- /dev/null
+++ b/JPratt/src/main/java/com/ashardalon/pratt/commands/impls/ConstantCommand.java
@@ -0,0 +1,43 @@
+package com.ashardalon.pratt.commands.impls;
+
+import com.ashardalon.pratt.ParserContext;
+import com.ashardalon.pratt.commands.CommandResult;
+import com.ashardalon.pratt.commands.InitialCommand;
+import com.ashardalon.pratt.tokens.Token;
+
+import bjc.data.Tree;
+import bjc.utils.parserutils.ParserException;
+
+/**
+ * A command that represents a specific tree.
+ *
+ * @author bjculkin
+ *
+ * @param <K>
+ *        The key type of the tokens.
+ *
+ * @param <V>
+ *        The value type of the tokens.
+ *
+ * @param <C>
+ *        The state type of the parser.
+ */
+public class ConstantCommand<K, V, C> implements InitialCommand<K, V, C> {
+	private final Tree<Token<K, V>> val;
+
+	/**
+	 * Create a new constant.
+	 *
+	 * @param con
+	 *        The tree this constant represents.
+	 */
+	public ConstantCommand(final Tree<Token<K, V>> con) {
+		val = con;
+	}
+
+	@Override
+	public CommandResult<K, V> denote(final Token<K, V> operator, final ParserContext<K, V, C> ctx)
+			throws ParserException {
+		return CommandResult.success(val);
+	}
+}
+\ No newline at end of file