Add DualExprParser

This class parses DualExprs from prefix expressions

3 files changed, 46 insertions, 0 deletions

diff --git a/base/src/main/java/bjc/utils/exceptions/InvalidToken.java b/base/src/main/java/bjc/utils/exceptions/InvalidToken.java
new file mode 100644
index 0000000..b09af78
--- /dev/null
+++ b/base/src/main/java/bjc/utils/exceptions/InvalidToken.java
@@ -0,0 +1,9 @@
+package bjc.utils.exceptions;
+
+public class InvalidToken extends RuntimeException {
+	private static final long serialVersionUID = -5077165766341244689L;
+
+	public InvalidToken(String tok) {
+		super(String.format("Did not recognize token '%s' as a valid token", tok));
+	}
+}
\ No newline at end of file
diff --git a/base/src/main/java/bjc/utils/exceptions/NonConstantPower.java b/base/src/main/java/bjc/utils/exceptions/NonConstantPower.java
new file mode 100644
index 0000000..143fb4d
--- /dev/null
+++ b/base/src/main/java/bjc/utils/exceptions/NonConstantPower.java
@@ -0,0 +1,9 @@
+package bjc.utils.exceptions;
+
+public class NonConstantPower extends RuntimeException {
+	private static final long serialVersionUID = 1640883448305031149L;
+
+	public NonConstantPower() {
+		super("Cannot raise an expression to a non-constant power");
+	}
+}
\ No newline at end of file
diff --git a/base/src/main/java/bjc/utils/exceptions/OperandsRemaining.java b/base/src/main/java/bjc/utils/exceptions/OperandsRemaining.java
new file mode 100644
index 0000000..ca83b30
--- /dev/null
+++ b/base/src/main/java/bjc/utils/exceptions/OperandsRemaining.java
@@ -0,0 +1,28 @@
+package bjc.utils.exceptions;
+
+/**
+ * Exception thrown when an operation has finished, but still has more input
+ * that has not been processed.
+ * 
+ * @author Ben Culkin
+ *
+ */
+public class OperandsRemaining extends RuntimeException {
+	private static final long serialVersionUID = 4848222659854671315L;
+
+	/**
+	 * Create a new OperandsRemaining exception with a default message.
+	 */
+	public OperandsRemaining() {
+		super("Operation had input left-over");
+	}
+	
+	/**
+	 * Create a new OperandsRemaining exception with a specific message.
+	 * 
+	 * @param msg The message of the exception.
+	 */
+	public OperandsRemaining(String msg) {
+		super(msg);
+	}
+}