Move Pratt Parser to new project

1 files changed, 37 insertions, 0 deletions

diff --git a/JPratt/src/main/java/bjc/utils/parserutils/pratt/commands/NonBinaryCommand.java b/JPratt/src/main/java/bjc/utils/parserutils/pratt/commands/NonBinaryCommand.java
new file mode 100644
index 0000000..d32a1a7
--- /dev/null
+++ b/JPratt/src/main/java/bjc/utils/parserutils/pratt/commands/NonBinaryCommand.java
@@ -0,0 +1,37 @@
+package bjc.utils.parserutils.pratt.commands;
+
+/**
+ * A non-associative operator.
+ * 
+ * @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 NonBinaryCommand<K, V, C> extends BinaryCommand<K, V, C> {
+	/**
+	 * Create a new non-associative operator.
+	 * 
+	 * @param precedence
+	 *                The precedence of the operator.
+	 */
+	public NonBinaryCommand(int precedence) {
+		super(precedence);
+	}
+
+	@Override
+	protected int rightBinding() {
+		return 1 + leftBinding();
+	}
+
+	@Override
+	public int nextBinding() {
+		return leftBinding() - 1;
+	}
+}
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