Improve exception message when unable to call a widget, fixes #183

jline · Oct 10, 2017 · d2b81e3 · d2b81e3
1 parent 3fa869c
commit d2b81e3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/reader/src/main/java/org/jline/reader/impl/LineReaderImpl.java b/reader/src/main/java/org/jline/reader/impl/LineReaderImpl.java
@@ -648,7 +648,7 @@ protected boolean freshLine() {
     @Override
     public void callWidget(String name) {
         if (!reading) {
-            throw new IllegalStateException();
+            throw new IllegalStateException("Widgets can only be called during a `readLine` call");
         }
         try {
             Widget w;