From aedc98ce14cda9b1dc0e32c6127be8508b3ad47e Mon Sep 17 00:00:00 2001
From: Louis Vignier <louis.vignier@jetbrains.com>
Date: Mon, 16 Jun 2025 16:06:35 +0200
Subject: [PATCH] [java-inspections] Detect dashes in
 MismatchedJavadocCodeInspection

#IDEA-374566 Fixed

GitOrigin-RevId: 7e7466f2143e23a58d1d159a8759c50aaf0fa95b
---
 .../javaDoc/MismatchedJavadocCodeInspection.java       |  4 ++--
 .../javadocMismatchCode/MismatchedJavadocCode.java     | 10 ++++++++++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/java/java-impl/src/com/intellij/codeInspection/javaDoc/MismatchedJavadocCodeInspection.java b/java/java-impl/src/com/intellij/codeInspection/javaDoc/MismatchedJavadocCodeInspection.java
index 86f8b7f228ba..338bb2349046 100644
--- a/java/java-impl/src/com/intellij/codeInspection/javaDoc/MismatchedJavadocCodeInspection.java
+++ b/java/java-impl/src/com/intellij/codeInspection/javaDoc/MismatchedJavadocCodeInspection.java
@@ -1,4 +1,4 @@
-// Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.codeInspection.javaDoc;
 
 import com.intellij.codeInsight.Nullability;
@@ -39,7 +39,7 @@ public final class MismatchedJavadocCodeInspection extends AbstractBaseJavaLocal
   public static final Pattern
     RETURN_LINE_START_TYPE_SINGULAR = Pattern.compile("@return\\s+an? (\\S+) (that |describing |containing |of |with |whose |which )");
   public static final Pattern
-    RETURN_LINE_MIDDLE = Pattern.compile("(?:\n\\s*\\*|;|,)\\s+(\\S+) (iff?\\s|when\\s|otherwise|in case of|in the case of)",
+    RETURN_LINE_MIDDLE = Pattern.compile("(?:\n\\s*\\*|;|,|–|—)\\s+(\\S+) (iff?\\s|when\\s|otherwise|in case of|in the case of)",
                                          Pattern.MULTILINE);
   public static final Pattern DESCRIPTION =
     Pattern.compile("^\\s+Returns (\\S+) (iff?\\s|when\\s|in case of|in the case of)", Pattern.CASE_INSENSITIVE);
diff --git a/java/java-tests/testData/inspection/javadocMismatchCode/MismatchedJavadocCode.java b/java/java-tests/testData/inspection/javadocMismatchCode/MismatchedJavadocCode.java
index 3b7c15b0511e..325037c9ac9a 100644
--- a/java/java-tests/testData/inspection/javadocMismatchCode/MismatchedJavadocCode.java
+++ b/java/java-tests/testData/inspection/javadocMismatchCode/MismatchedJavadocCode.java
@@ -19,6 +19,16 @@ public interface MismatchedJavadocCode {
    */
   int getData2();
 
+  /**
+   * @return foo — <warning descr="Method is specified to return 'false' but its return type is not boolean">false</warning> otherwise
+   */
+  int getDataEmDash();
+
+  /**
+   * @return foo - false otherwise
+   */
+  int getDataDash();
+
   /**
    * @return true if data is found; false otherwise
    */