From 0f5a8d63f596a9b1f24fb67d280498394d77f403 Mon Sep 17 00:00:00 2001
From: Jens Krinke <krinke@acm.org>
Date: Tue, 23 Dec 2025 11:37:30 +0000
Subject: [PATCH] Handle escaped backslashes correctly when wrapping long
 strings. Fixes #1253.

---
 .../com/google/googlejavaformat/java/StringWrapper.java  | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/com/google/googlejavaformat/java/StringWrapper.java b/core/src/main/java/com/google/googlejavaformat/java/StringWrapper.java
index 22110ad8a..1b2d51a4a 100644
--- a/core/src/main/java/com/google/googlejavaformat/java/StringWrapper.java
+++ b/core/src/main/java/com/google/googlejavaformat/java/StringWrapper.java
@@ -275,7 +275,7 @@ private static ImmutableList<String> stringComponents(
           // continue below
         } else if (hasEscapedWhitespaceAt(text, idx) != -1) {
           // continue below
-        } else if (hasEscapedNewlineAt(text, idx) != -1) {
+        } else if (hasEscapedNewlineAt(text, idx) != -1 || hasEscapedBackslashAt(text, idx) != -1) {
           int length;
           while ((length = hasEscapedNewlineAt(text, idx)) != -1) {
             idx += length;
@@ -302,6 +302,13 @@ private static ImmutableList<String> stringComponents(
     return result.build();
   }
 
+  static int hasEscapedBackslashAt(String input, int idx) {
+    if (input.startsWith("\\\\", idx)) {
+      return 2;
+    }
+    return -1;
+  }
+
   static int hasEscapedWhitespaceAt(String input, int idx) {
     if (input.startsWith("\\t", idx)) {
       return 2;