Refactor to add backtracking support

This probably doesn't help w/ error messages, but it enables some cool
ideas where syntax can be reused in cases where it would otherwise be
invalid

1 files changed, 23 insertions, 0 deletions

diff --git a/JPratt/src/main/java/bjc/pratt/tokens/ExpectionNotMet.java b/JPratt/src/main/java/bjc/pratt/tokens/ExpectionNotMet.java
new file mode 100644
index 0000000..2bd45e2
--- /dev/null
+++ b/JPratt/src/main/java/bjc/pratt/tokens/ExpectionNotMet.java
@@ -0,0 +1,23 @@
+package bjc.pratt.tokens;
+
+import bjc.utils.parserutils.ParserException;
+
+/**
+ * The exception thrown when an expectation fails.
+ *
+ * @author EVE
+ *
+ */
+public class ExpectionNotMet extends ParserException {
+	private static final long serialVersionUID = 4299299480127680805L;
+
+	/**
+	 * Create a new exception with the specified message.
+	 *
+	 * @param msg
+	 *        The message of the exception.
+	 */
+	public ExpectionNotMet(final String msg) {
+		super(msg);
+	}
+}
\ No newline at end of file