fix(shadow): no ClassNotFoundException when building shadow classes b…

…y reflection (#1012)

src/main/java/spoon/reflect/factory/TypeFactory.java

@@ -30,6 +30,7 @@
 import spoon.reflect.visitor.CtScanner;
 import spoon.reflect.visitor.filter.TypeFilter;
 import spoon.support.DefaultCoreFactory;
+import spoon.support.SpoonClassNotFoundException;
 import spoon.support.StandardEnvironment;
 import spoon.support.visitor.java.JavaReflectionTreeBuilder;
 
@@ -473,7 +474,12 @@ public <T> CtType<T> get(Class<?> cl) {
  if (aType == null) {
  final CtType<T> shadowClass = (CtType<T>) this.shadowCache.get(cl);
  if (shadowClass == null) {
- final CtType<T> newShadowClass = new JavaReflectionTreeBuilder(createFactory()).scan((Class<T>) cl);
+ CtType<T> newShadowClass;
+ try {
+ newShadowClass = new JavaReflectionTreeBuilder(createFactory()).scan((Class<T>) cl);
+ } catch (Throwable e) {
+ throw new SpoonClassNotFoundException("cannot create shadow class: " + cl.getName(), e);
+ }
  newShadowClass.setFactory(factory);
  newShadowClass.accept(new CtScanner() {
  @Override