From 97c109fd2c761023884f5f489a14226d902988ec Mon Sep 17 00:00:00 2001
From: Anna Kozlova <anna.kozlova@jetbrains.com>
Date: Wed, 24 Aug 2016 21:14:00 +0300
Subject: [PATCH] don't step into light classes, e.g. kotlin (IDEA-160247;
 IDEA-158986)

---
 .../openapi/src/com/intellij/execution/JavaExecutionUtil.java   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/java/execution/openapi/src/com/intellij/execution/JavaExecutionUtil.java b/java/execution/openapi/src/com/intellij/execution/JavaExecutionUtil.java
index 463e5af98697..cc834d4555aa 100644
--- a/java/execution/openapi/src/com/intellij/execution/JavaExecutionUtil.java
+++ b/java/execution/openapi/src/com/intellij/execution/JavaExecutionUtil.java
@@ -29,6 +29,7 @@ import com.intellij.openapi.module.ModuleUtilCore;
 import com.intellij.openapi.project.DumbService;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.Condition;
+import com.intellij.openapi.util.TextRange;
 import com.intellij.openapi.util.registry.Registry;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.psi.*;
@@ -194,6 +195,7 @@ public class JavaExecutionUtil {
     final PsiClassOwner psiFile = (PsiClassOwner)element;
     final PsiClass[] classes = psiFile.getClasses();
     if (classes.length != 1) return location;
+    if (classes[0].getTextRange() == null) return location;
     return PsiLocation.fromPsiElement(classes[0]);
   }