From 8ec55d96fae0fa71acdf78953fdbb6218d6ce541 Mon Sep 17 00:00:00 2001
From: Ilia Epelbaum <ilia.epelbaum@jetbrains.com>
Date: Wed, 23 Apr 2025 19:05:09 +0000
Subject: [PATCH] DBE-23071 Add cache clearing for
 LanguageCodeStyleSettingsProvider

Merge-request: IJ-MR-160932
Merged-by: Ilia Epelbaum <ilia.epelbaum@jetbrains.com>

GitOrigin-RevId: 9bdac9e6560debbe75f0567449b06c33e71b0dcf
---
 platform/lang-api/api-dump-unreviewed.txt                     | 1 +
 .../psi/codeStyle/LanguageCodeStyleSettingsProvider.java      | 4 ++++
 .../codeStyle/LanguageCodeStyleSettingsProviderService.java   | 1 +
 3 files changed, 6 insertions(+)

diff --git a/platform/lang-api/api-dump-unreviewed.txt b/platform/lang-api/api-dump-unreviewed.txt
index 28aa2218dc8f..2328a43fe049 100644
--- a/platform/lang-api/api-dump-unreviewed.txt
+++ b/platform/lang-api/api-dump-unreviewed.txt
@@ -4947,6 +4947,7 @@ a:com.intellij.psi.codeStyle.LanguageCodeStyleSettingsProvider
 - com.intellij.psi.codeStyle.CodeStyleSettingsProvider
 - sf:EP_NAME:com.intellij.openapi.extensions.ExtensionPointName
 - <init>():V
+- s:cleanSettingsPagesProvidersCache():V
 - createConfigurable(com.intellij.psi.codeStyle.CodeStyleSettings,com.intellij.psi.codeStyle.CodeStyleSettings):com.intellij.psi.codeStyle.CodeStyleConfigurable
 - createFileFromText(com.intellij.openapi.project.Project,java.lang.String):com.intellij.psi.PsiFile
 - p:customizeDefaults(com.intellij.psi.codeStyle.CommonCodeStyleSettings,com.intellij.psi.codeStyle.CommonCodeStyleSettings$IndentOptions):V
diff --git a/platform/lang-api/src/com/intellij/psi/codeStyle/LanguageCodeStyleSettingsProvider.java b/platform/lang-api/src/com/intellij/psi/codeStyle/LanguageCodeStyleSettingsProvider.java
index 2160a6558e9c..f21cb3298d1e 100644
--- a/platform/lang-api/src/com/intellij/psi/codeStyle/LanguageCodeStyleSettingsProvider.java
+++ b/platform/lang-api/src/com/intellij/psi/codeStyle/LanguageCodeStyleSettingsProvider.java
@@ -371,6 +371,10 @@ public abstract class LanguageCodeStyleSettingsProvider extends CodeStyleSetting
     return ourSettingsPagesProviders.updateAndGet(providers -> providers != null ? providers : calcSettingPagesProviders());
   }
 
+  public static void cleanSettingsPagesProvidersCache() {
+    ourSettingsPagesProviders.set(null);
+  }
+
   private static @NotNull Set<LanguageCodeStyleSettingsProvider> calcSettingPagesProviders() {
     Set<LanguageCodeStyleSettingsProvider> settingsPagesProviders = new HashSet<>();
     for (LanguageCodeStyleSettingsProvider provider : getAllProviders()) {
diff --git a/platform/lang-api/src/com/intellij/psi/codeStyle/LanguageCodeStyleSettingsProviderService.java b/platform/lang-api/src/com/intellij/psi/codeStyle/LanguageCodeStyleSettingsProviderService.java
index 89af1912e5c7..4564cab853dd 100644
--- a/platform/lang-api/src/com/intellij/psi/codeStyle/LanguageCodeStyleSettingsProviderService.java
+++ b/platform/lang-api/src/com/intellij/psi/codeStyle/LanguageCodeStyleSettingsProviderService.java
@@ -23,6 +23,7 @@ final class LanguageCodeStyleSettingsProviderService implements Disposable {
   public LanguageCodeStyleSettingsProviderService() {
     LanguageCodeStyleSettingsProvider.EP_NAME.addChangeListener(() -> {
       allProviders = null;
+      LanguageCodeStyleSettingsProvider.cleanSettingsPagesProvidersCache();
     }, this);
 
     LanguageCodeStyleSettingsContributor.EP_NAME.addChangeListener(() -> {