From 9658afb5b07d2b5a965dea322b0ad8fa3c16ce2d Mon Sep 17 00:00:00 2001 From: bculkin2442 Date: Sun, 3 Apr 2016 18:43:50 -0400 Subject: More refactoring and maintenance --- dice-lang/src/main/java/bjc/dicelang/ReferenceDiceExpression.java | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'dice-lang/src/main/java/bjc/dicelang/ReferenceDiceExpression.java') diff --git a/dice-lang/src/main/java/bjc/dicelang/ReferenceDiceExpression.java b/dice-lang/src/main/java/bjc/dicelang/ReferenceDiceExpression.java index c1a4a79..27ec609 100644 --- a/dice-lang/src/main/java/bjc/dicelang/ReferenceDiceExpression.java +++ b/dice-lang/src/main/java/bjc/dicelang/ReferenceDiceExpression.java @@ -51,6 +51,11 @@ public class ReferenceDiceExpression implements IDiceExpression { */ @Override public int roll() { + if (!env.containsKey(name)) { + throw new UnsupportedOperationException( + "Attempted to reference undefined variable " + name); + } + return env.get(name).roll(); } -- cgit v1.2.3