From fd3f929a11e15e41e21ea1dd6a495bec4e0d0123 Mon Sep 17 00:00:00 2001
From: Andrey Breslav <andrey.breslav@jetbrains.com>
Date: Fri, 19 Sep 2014 15:11:15 +0400
Subject: [PATCH] Guessing class ids for external annotations

---
 .../resolve/java/structure/impl/JavaAnnotationImpl.java  | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/structure/impl/JavaAnnotationImpl.java b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/structure/impl/JavaAnnotationImpl.java
index 2009d87c8e4..d3b287f8368 100644
--- a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/structure/impl/JavaAnnotationImpl.java
+++ b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/structure/impl/JavaAnnotationImpl.java
@@ -52,7 +52,14 @@ public class JavaAnnotationImpl extends JavaElementImpl<PsiAnnotation> implement
     @Nullable
     public ClassId getClassId() {
         PsiClass resolved = resolvePsi();
-        return resolved == null ? null : computeClassId(resolved);
+        if (resolved != null) return computeClassId(resolved);
+
+        // External annotations do not have PSI behind them,
+        // so we can only heuristically reconstruct annotation class ids from qualified names
+        String qualifiedName = getPsi().getQualifiedName();
+        if (qualifiedName != null) return ClassId.topLevel(new FqName(qualifiedName));
+
+        return null;
     }
 
     @Nullable