From 556e08b9eba05038c23d7a47dd133b3fef58f4ef Mon Sep 17 00:00:00 2001
From: Natalia Ukhorskaya <natalia.ukhorskaya@jetbrains.com>
Date: Mon, 19 Oct 2015 18:29:39 +0300
Subject: [PATCH] Fix exception during Step Over

---
 .../debugger/stepping/KotlinSteppingCommandProvider.kt   | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/idea/src/org/jetbrains/kotlin/idea/debugger/stepping/KotlinSteppingCommandProvider.kt b/idea/src/org/jetbrains/kotlin/idea/debugger/stepping/KotlinSteppingCommandProvider.kt
index 98c840e3089..0ae1e8140c7 100644
--- a/idea/src/org/jetbrains/kotlin/idea/debugger/stepping/KotlinSteppingCommandProvider.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/debugger/stepping/KotlinSteppingCommandProvider.kt
@@ -16,6 +16,7 @@
 
 package org.jetbrains.kotlin.idea.debugger.stepping
 
+import com.intellij.debugger.NoDataException
 import com.intellij.debugger.SourcePosition
 import com.intellij.debugger.engine.DebugProcessImpl
 import com.intellij.debugger.engine.SuspendContextImpl
@@ -354,7 +355,13 @@ private fun SuspendContextImpl.getNextPositionWithFilter(
         skip: (JetFile, Int) -> Boolean
 ): XSourcePositionImpl? {
     for (location in locations) {
-        val file = this.debugProcess.positionManager.getSourcePosition(location)?.file as? JetFile ?: continue
+        val file = try {
+            this.debugProcess.positionManager.getSourcePosition(location)?.file as? JetFile
+        }
+        catch(e: NoDataException) {
+            null
+        } ?: continue
+
         val currentLine = location.lineNumber() - 1
         val lineStartOffset = file.getLineStartOffset(currentLine) ?: continue
         if (skip(file, lineStartOffset)) continue