Work on optimizations

1 files changed, 24 insertions, 1 deletions

diff --git a/dice-lang/src/main/java/bjc/dicelang/IDiceExpression.java b/dice-lang/src/main/java/bjc/dicelang/IDiceExpression.java
index 93a75b9..c6aa0a7 100644
--- a/dice-lang/src/main/java/bjc/dicelang/IDiceExpression.java
+++ b/dice-lang/src/main/java/bjc/dicelang/IDiceExpression.java
@@ -14,4 +14,27 @@ public interface IDiceExpression {
 	 * @return The result of rowing the dice
 	 */
 	public int roll();
-}
+
+	/**
+	 * Optimize this expression to a scalar value
+	 * 
+	 * @return This expression, optimized to a scalar value
+	 * 
+	 * @throws UnsupportedOperationException
+	 *             if this type of expression can't be optimized
+	 */
+	public default int optimize() {
+		throw new UnsupportedOperationException(
+				"Can't optimize this type of expression");
+	}
+
+	/**
+	 * Check if this expression can be optimized to a scalar value
+	 * 
+	 * @return Whether or not this expression can be optimized to a scalar
+	 *         value
+	 */
+	public default boolean canOptimize() {
+		return false;
+	}
+}
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