From 97840b8c75a2494f8967952544e7c9aab856117c Mon Sep 17 00:00:00 2001
From: Dmitry Batkovich <dmitry.batkovich@jetbrains.com>
Date: Sat, 12 Apr 2025 18:53:20 +0200
Subject: [PATCH] java: deduplication in front/back extensions registrar

GitOrigin-RevId: 9c4edf9c9b4c9e7367b6051c678cea8fa83747de
---
 .../resource/intellij.java.frontback.impl.xml | 37 +++++++++++++++++++
 .../intellij.java.frontback.psi.impl.xml      |  3 ++
 .../resources/META-INF/JavaPlugin.xml         | 37 +------------------
 3 files changed, 42 insertions(+), 35 deletions(-)

diff --git a/java/java-frontback-impl/resource/intellij.java.frontback.impl.xml b/java/java-frontback-impl/resource/intellij.java.frontback.impl.xml
index 399904aead68..e1af063dadab 100644
--- a/java/java-frontback-impl/resource/intellij.java.frontback.impl.xml
+++ b/java/java-frontback-impl/resource/intellij.java.frontback.impl.xml
@@ -4,4 +4,41 @@
     <!--suppress PluginXmlValidity -->
     <extensionPoint qualifiedName="com.intellij.java.definitions" interface="com.intellij.codeInsight.definition.AbstractBasicJavaDefinitionService" dynamic="true"/>
   </extensionPoints>
+
+  <extensions defaultExtensionNs="com.intellij">
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.MethodCallSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.AntLikePropertySelectionHandler"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.CaseStatementsSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.StatementGroupSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.JavaTokenSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.TypeCastSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.IfStatementSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.ForStatementHeaderSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.DocTagSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.ReferenceSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.FieldSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.MethodOrClassSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.FinallyBlockSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.CodeBlockOrInitializerSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.ListSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.DocCommentSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.LiteralSelectioner"/>
+    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.JavaWordSelectioner"/>
+
+    <basicWordSelectionFilter implementation="com.intellij.codeInsight.editorActions.wordSelection.JavaBasicWordSelectionFilter"/>
+    <lang.braceMatcher language="JAVA" implementationClass="com.intellij.codeInsight.highlighting.JavaPairedBraceMatcher"/>
+    <backspaceHandlerDelegate implementation="com.intellij.codeInsight.editorActions.JavaBackspaceHandler"/>
+    <wordBoundaryFilter language="JAVA" implementationClass="com.intellij.codeInsight.editorActions.JavaWordBoundaryFilter"/>
+    <lineIndentProvider implementation="com.intellij.codeInsight.editorActions.JavaLineIndentProvider"/>
+    <quoteHandler fileType="JAVA" className="com.intellij.codeInsight.editorActions.JavaQuoteHandler"/>
+
+    <typedHandler implementation="com.intellij.codeInsight.editorActions.JavadocTypedHandler" id="javadoc"/>
+    <typedHandler implementation="com.intellij.codeInsight.editorActions.AutoFormatTypedHandler"/>
+
+    <editorActionHandler action="EditorLineStart" implementationClass="com.intellij.codeInsight.editorActions.JavadocLineStartHandler"/>
+    <editorActionHandler action="EditorLineStartWithSelection" implementationClass="com.intellij.codeInsight.editorActions.JavadocLineStartWithSelectionHandler"/>
+
+    <enterHandlerDelegate implementation="com.intellij.codeInsight.editorActions.JavaEnterInTextBlockHandler"/>
+    <enterHandlerDelegate implementation="com.intellij.codeInsight.editorActions.JavaEnterAfterUnmatchedBraceHandler" order="before afterUnmatchedBrace"/>
+  </extensions>
 </idea-plugin>
diff --git a/java/java-frontback-psi-impl/resources/intellij.java.frontback.psi.impl.xml b/java/java-frontback-psi-impl/resources/intellij.java.frontback.psi.impl.xml
index f9a66090e330..ac2ff477f900 100644
--- a/java/java-frontback-psi-impl/resources/intellij.java.frontback.psi.impl.xml
+++ b/java/java-frontback-psi-impl/resources/intellij.java.frontback.psi.impl.xml
@@ -3,5 +3,8 @@
   <extensions defaultExtensionNs="com.intellij">
     <!--suppress PluginXmlValidity -->
     <projectCustomDataSynchronizer implementation="com.intellij.java.frontback.psi.impl.JavaLangLevelProjectCustomDataSynchronizer"/>
+
+    <fileType extensions="java" hashBangs="java" name="JAVA" language="JAVA" fieldName="INSTANCE" implementationClass="com.intellij.ide.highlighter.JavaFileType"/>
+    <fileType extensions="class" name="CLASS" fieldName="INSTANCE" implementationClass="com.intellij.ide.highlighter.JavaClassFileType"/>
   </extensions>
 </idea-plugin>
diff --git a/java/java-impl/resources/META-INF/JavaPlugin.xml b/java/java-impl/resources/META-INF/JavaPlugin.xml
index 6f0d08b652cc..3e7e0f8857b8 100644
--- a/java/java-impl/resources/META-INF/JavaPlugin.xml
+++ b/java/java-impl/resources/META-INF/JavaPlugin.xml
@@ -1026,8 +1026,6 @@
     <idIndexer filetype="CLASS" implementationClass="com.intellij.psi.impl.cache.impl.idCache.JavaIdIndexer"/>
     <idIndexer filetype="JAVA" implementationClass="com.intellij.psi.impl.cache.impl.idCache.JavaIdIndexer"/>
     <fileIconPatcher id="javaFileIconPatcher" implementation="com.intellij.ide.JavaFileIconPatcher"/>
-    <basicWordSelectionFilter implementation="com.intellij.codeInsight.editorActions.wordSelection.JavaBasicWordSelectionFilter"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.JavaWordSelectioner"/>
     <templateCompletionProcessor implementation="com.intellij.codeInsight.template.macro.JavaTemplateCompletionProcessor"/>
     <optionsApplicabilityFilter implementation="com.intellij.application.options.JavaOptionsApplicabilityFilter"/>
     <typeHierarchyProvider language="JAVA" implementationClass="com.intellij.ide.hierarchy.type.JavaTypeHierarchyProvider"/>
@@ -1199,8 +1197,6 @@
     <liveTemplateContext contextId="COMPLETION" baseContextId="JAVA_CODE"
                          implementation="com.intellij.codeInsight.template.SmartCompletionContextType"/>
     <usageTargetProvider implementation="com.intellij.find.findUsages.JavaUsageTargetProvider"/>
-    <lineIndentProvider implementation="com.intellij.codeInsight.editorActions.JavaLineIndentProvider"/>
-    <backspaceHandlerDelegate implementation="com.intellij.codeInsight.editorActions.JavaBackspaceHandler"/>
     <declarationRangeHandler key="com.intellij.psi.PsiClassInitializer"
                              implementationClass="com.intellij.codeInsight.hint.ClassInitializerDeclarationRangeHandler"/>
     <declarationRangeHandler key="com.intellij.psi.PsiClass"
@@ -1247,24 +1243,9 @@
     <smartPointer.anchorProvider implementation="com.intellij.psi.impl.smartPointers.JavaAnchorProvider"/>
     <vcsSelectionProvider implementation="com.intellij.vcsUtil.JavaVcsSelectionProvider"/>
     <uiDataRule implementation="com.intellij.analysis.AnalysisScopeRule"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.MethodCallSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.AntLikePropertySelectionHandler"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.CaseStatementsSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.StatementGroupSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.JavaTokenSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.TypeCastSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.IfStatementSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.ForStatementHeaderSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.DocTagSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.ReferenceSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.FieldSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.MethodOrClassSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.FinallyBlockSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.CodeBlockOrInitializerSelectioner"/>
+
     <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.VarargsSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.ListSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.DocCommentSelectioner"/>
-    <extendWordSelectionHandler implementation="com.intellij.codeInsight.editorActions.wordSelection.LiteralSelectioner"/>
+
     <completion.skip implementation="com.intellij.codeInsight.completion.AbstractExpectedTypeSkipper" id="skipAbstract"/>
     <completion.skip implementation="com.intellij.codeInsight.completion.DeprecatedSkipper" id="skipDeprecated"/>
     <statistician key="completion" implementationClass="com.intellij.codeInsight.completion.JavaCompletionStatistician"/>
@@ -1297,16 +1278,9 @@
     <joinLinesHandler implementation="com.intellij.codeInsight.editorActions.LiteralJoinLinesHandler"/>
     <joinLinesHandler implementation="com.intellij.codeInsight.editorActions.TextBlockJoinLinesHandler"/>
     <editorSmartKeysConfigurable instance="com.intellij.application.options.JavadocOptionsProvider" id="editor.preferences.javadocOptions"/>
-    <wordBoundaryFilter language="JAVA" implementationClass="com.intellij.codeInsight.editorActions.JavaWordBoundaryFilter"/>
     <editorActionHandler action="PrevParameter" implementationClass="com.intellij.codeInsight.editorActions.JavaPrevParameterHandler"/>
     <editorActionHandler action="NextParameter" implementationClass="com.intellij.codeInsight.editorActions.JavaNextParameterHandler"/>
-    <editorActionHandler action="EditorLineStart" implementationClass="com.intellij.codeInsight.editorActions.JavadocLineStartHandler"/>
-    <editorActionHandler action="EditorLineStartWithSelection"
-                         implementationClass="com.intellij.codeInsight.editorActions.JavadocLineStartWithSelectionHandler"/>
-    <typedHandler implementation="com.intellij.codeInsight.editorActions.AutoFormatTypedHandler"/>
-    <typedHandler implementation="com.intellij.codeInsight.editorActions.JavadocTypedHandler" id="javadoc"/>
     <typedHandler implementation="com.intellij.codeInsight.editorActions.JavaTypedHandler" id="java"/>
-    <quoteHandler fileType="JAVA" className="com.intellij.codeInsight.editorActions.JavaQuoteHandler"/>
     <constructorBodyGenerator language="JAVA"
                               implementationClass="com.intellij.codeInsight.generation.JavaConstructorBodyWithSuperCallGenerator"/>
     <lang.sliceProvider language="JAVA" implementationClass="com.intellij.slicer.JavaSliceProvider"/>
@@ -1316,11 +1290,8 @@
     <codeCompletionConfigurable instance="com.intellij.application.options.JavaCompletionConfigurable" order="first"/>
     <iconProvider implementation="com.intellij.psi.impl.JavaDirectoryIconProvider" id="javaDirectory"/>
     <codeStyle.ReferenceAdjuster language="JAVA" implementationClass="com.intellij.psi.impl.source.codeStyle.JavaReferenceAdjuster"/>
-    <enterHandlerDelegate implementation="com.intellij.codeInsight.editorActions.JavaEnterAfterUnmatchedBraceHandler"
-                          order="before afterUnmatchedBrace"/>
     <lang.smartEnterProcessor language="JAVA"
                               implementationClass="com.intellij.codeInsight.editorActions.smartEnter.JavaSmartEnterProcessor"/>
-    <enterHandlerDelegate implementation="com.intellij.codeInsight.editorActions.JavaEnterInTextBlockHandler" id="JavaEnterInTextBlockHandler"/>
     <enterHandlerDelegate
       id="JavaEnterInInjectedTextBlockHandler"
       order="before EnterBetweenBracesHandler, before JavaEnterInTextBlockHandler, first"
@@ -1419,7 +1390,6 @@
     <refactoring.codeVisionSupport implementation="com.intellij.refactoring.rename.JavaRefactoringCodeVisionSupport"/>
 
     <lang.foldingBuilder language="JAVA" implementationClass="com.intellij.codeInsight.folding.impl.JavaFoldingBuilder"/>
-    <lang.braceMatcher language="JAVA" implementationClass="com.intellij.codeInsight.highlighting.JavaPairedBraceMatcher"/>
     <anonymousElementProvider implementation="com.intellij.lang.java.JavaAnonymousClassesProvider"/>
     <usageToPsiElementProvider implementation="com.intellij.lang.java.JavaUsageToPsiElementProvider"/>
     <focusModeProvider language="JAVA" implementationClass="com.intellij.lang.java.JavaFocusModeProvider"/>
@@ -1561,11 +1531,8 @@
     <lookup.actionProvider implementation="com.intellij.codeInsight.completion.ExcludeLoggerFromCompletionLookupActionProvider"
                            id="loggerExcludeFromCompletion"/>
     <lookup.actionProvider implementation="com.intellij.codeInsight.completion.ImportStaticLookupActionProvider" id="importStatic"/>
-    <fileType extensions="java" hashBangs="java" name="JAVA" language="JAVA" fieldName="INSTANCE"
-              implementationClass="com.intellij.ide.highlighter.JavaFileType"/>
     <fileType fileNames="module-info.java" name="Java module" fieldName="INSTANCE"
               implementationClass="com.intellij.ide.highlighter.JavaModuleFileType"/>
-    <fileType extensions="class" name="CLASS" fieldName="INSTANCE" implementationClass="com.intellij.ide.highlighter.JavaClassFileType"/>
     <fileType extensions="snippet" name="JSHELL" language="JShellLanguage" fieldName="INSTANCE"
               implementationClass="com.intellij.ide.highlighter.JShellFileType"/>
     <customPropertyScopeProvider implementation="com.intellij.psi.impl.search.SimpleAccessorScopeProvider"/>