From 7bd628f989fe4cac3d7018741b9af84540c205dc Mon Sep 17 00:00:00 2001
From: Yan Zhulanow <yan.zhulanow@jetbrains.com>
Date: Thu, 8 Aug 2019 18:59:55 +0900
Subject: [PATCH] Debugger: Check max document index before figuring out line
 offsets

---
 .../debugger/breakpoints/LineBreakpointExpressionVisitor.kt  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/idea/jvm-debugger/jvm-debugger-core/src/org/jetbrains/kotlin/idea/debugger/breakpoints/LineBreakpointExpressionVisitor.kt b/idea/jvm-debugger/jvm-debugger-core/src/org/jetbrains/kotlin/idea/debugger/breakpoints/LineBreakpointExpressionVisitor.kt
index ad73d8398c9..042ee870a89 100644
--- a/idea/jvm-debugger/jvm-debugger-core/src/org/jetbrains/kotlin/idea/debugger/breakpoints/LineBreakpointExpressionVisitor.kt
+++ b/idea/jvm-debugger/jvm-debugger-core/src/org/jetbrains/kotlin/idea/debugger/breakpoints/LineBreakpointExpressionVisitor.kt
@@ -178,6 +178,11 @@ class LineBreakpointExpressionVisitor private constructor(
             return Lines.EMPTY
         }
 
+        val maxOffset = document.textLength
+        if (startOffset > maxOffset || endOffset > maxOffset) {
+            return Lines.EMPTY
+        }
+
         val startLine = document.getLineNumber(startOffset)
         val endLine = document.getLineNumber(endOffset)
         return Lines(startLine, endLine)