From f71d8041b39a90d38b5b617fe2a13dc43b7ff96c Mon Sep 17 00:00:00 2001
From: "Kirill.Karnaukhov" <kirill.karnaukhov@jetbrains.com>
Date: Wed, 7 May 2025 14:15:31 +0200
Subject: [PATCH] [editor-highlighting] LLM-16408: mark
 `LexerEditorHighlighter#getAttributesForPreviousAndTypedChars` as
 synchronized

(cherry picked from commit e1ac49229197e215024e152509a914291d206923)

IJ-CR-162486

GitOrigin-RevId: 23e76e94fd33ad245a24c10f5ec3f0ac7dfd4fd7
---
 .../intellij/openapi/editor/ex/util/LexerEditorHighlighter.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/editor-ui-ex/src/com/intellij/openapi/editor/ex/util/LexerEditorHighlighter.java b/platform/editor-ui-ex/src/com/intellij/openapi/editor/ex/util/LexerEditorHighlighter.java
index d8fae9f7af87..c38ccaa34380 100644
--- a/platform/editor-ui-ex/src/com/intellij/openapi/editor/ex/util/LexerEditorHighlighter.java
+++ b/platform/editor-ui-ex/src/com/intellij/openapi/editor/ex/util/LexerEditorHighlighter.java
@@ -486,7 +486,7 @@ public class LexerEditorHighlighter implements EditorHighlighter, PrioritizedDoc
     return attributesKeys;
   }
 
-  public @NotNull List<TextAttributes> getAttributesForPreviousAndTypedChars(@NotNull Document document, int offset, char c) {
+  public synchronized @NotNull List<TextAttributes> getAttributesForPreviousAndTypedChars(@NotNull Document document, int offset, char c) {
     CharSequence text = document.getImmutableCharSequence();
 
     CharSequence newText = StringUtil.replaceSubSequence(text, offset, offset, new SingleCharSequence(c));