diff options
| author | bculkin2442 <bjculkin@mix.wvu.edu> | 2016-04-03 18:43:50 -0400 |
|---|---|---|
| committer | bculkin2442 <bjculkin@mix.wvu.edu> | 2016-04-03 18:43:50 -0400 |
| commit | 9658afb5b07d2b5a965dea322b0ad8fa3c16ce2d (patch) | |
| tree | f9e50750e1a0d04f0c84ef9177bb5f7ae9050dc8 /dice-lang/src/main/java/bjc/dicelang/ReferenceDiceExpression.java | |
| parent | c8ae1ec096f5d1ac6db4f3a0035f7da106444e4e (diff) | |
More refactoring and maintenance
Diffstat (limited to 'dice-lang/src/main/java/bjc/dicelang/ReferenceDiceExpression.java')
| -rw-r--r-- | dice-lang/src/main/java/bjc/dicelang/ReferenceDiceExpression.java | 5 |
1 files changed, 5 insertions, 0 deletions
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(); } |