[core] Fix missing elements JavaCoreApplicationEnvironment

They caused UAST tests to fail locally. #IDEA-373647 Fixed

GitOrigin-RevId: fbc6bc6af2922761930469b7aa63f30b4754ec55

java/java-indexing-impl/src/com/intellij/core/JavaCoreApplicationEnvironment.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2023 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.core;
 
 import com.intellij.codeInsight.ContainerProvider;
@@ -9,10 +9,12 @@ import com.intellij.codeInsight.folding.impl.JavaFoldingBuilderBase;
 import com.intellij.ide.highlighter.ArchiveFileType;
 import com.intellij.ide.highlighter.JavaClassFileType;
 import com.intellij.ide.highlighter.JavaFileType;
+import com.intellij.java.frontback.psi.impl.syntax.JavaSyntaxDefinitionExtension;
 import com.intellij.lang.LanguageASTFactory;
 import com.intellij.lang.folding.LanguageFolding;
 import com.intellij.lang.java.JavaLanguage;
 import com.intellij.lang.java.JavaParserDefinition;
+import com.intellij.lang.java.syntax.JavaElementTypeConverterExtension;
 import com.intellij.navigation.ItemPresentationProviders;
 import com.intellij.openapi.Disposable;
 import com.intellij.openapi.fileTypes.BinaryFileTypeDecompilers;
@@ -20,6 +22,9 @@ import com.intellij.openapi.fileTypes.PlainTextFileType;
 import com.intellij.openapi.fileTypes.PlainTextLanguage;
 import com.intellij.openapi.fileTypes.PlainTextParserDefinition;
 import com.intellij.openapi.projectRoots.JavaVersionService;
+import com.intellij.openapi.util.registry.Registry;
+import com.intellij.platform.syntax.psi.ElementTypeConverters;
+import com.intellij.platform.syntax.psi.LanguageSyntaxDefinitions;
 import com.intellij.psi.*;
 import com.intellij.psi.compiled.ClassFileDecompilers;
 import com.intellij.psi.impl.LanguageConstantExpressionEvaluator;
@@ -51,6 +56,7 @@ public class JavaCoreApplicationEnvironment extends CoreApplicationEnvironment {
     registerFileType(JavaClassFileType.INSTANCE, "class");
     registerFileType(JavaFileType.INSTANCE, "java");
     registerFileType(ArchiveFileType.INSTANCE, "jar;zip");
+    Registry.get("java.highest.language.level").setValue("24");
     registerFileType(PlainTextFileType.INSTANCE, "txt;sh;bat;cmd;policy;log;cgi;MF;jad;jam;htaccess");
 
     addExplicitExtension(LanguageASTFactory.INSTANCE, PlainTextLanguage.INSTANCE, new PlainTextASTFactory());
@@ -61,6 +67,8 @@ public class JavaCoreApplicationEnvironment extends CoreApplicationEnvironment {
     addExplicitExtension(BinaryFileStubBuilders.INSTANCE, JavaClassFileType.INSTANCE, new ClassFileStubBuilder());
 
     addExplicitExtension(LanguageASTFactory.INSTANCE, JavaLanguage.INSTANCE, new JavaASTFactory());
+    addExplicitExtension(LanguageSyntaxDefinitions.getINSTANCE(), JavaLanguage.INSTANCE, new JavaSyntaxDefinitionExtension());
+    addExplicitExtension(ElementTypeConverters.getInstance(), JavaLanguage.INSTANCE, new JavaElementTypeConverterExtension());
     registerParserDefinition(new JavaParserDefinition());
     addExplicitExtension(LanguageConstantExpressionEvaluator.INSTANCE, JavaLanguage.INSTANCE, new PsiExpressionEvaluator());
 

java/java-psi-impl/src/com/intellij/lang/java/syntax/JavaElementTypeConverterExtension.kt

@@ -13,9 +13,7 @@ import com.intellij.psi.JavaDocTokenType
 import com.intellij.psi.JavaTokenType
 import com.intellij.psi.impl.source.tree.JavaDocElementType
 import com.intellij.psi.impl.source.tree.JavaElementType
-import org.jetbrains.annotations.VisibleForTesting
 
-@VisibleForTesting
 class JavaElementTypeConverterExtension : ElementTypeConverterFactory {
   override fun getElementTypeConverter(): ElementTypeConverter = javaConverter
 

platform/syntax/syntax-psi/api-dump-experimental.txt

@@ -1,3 +1,7 @@
+*f:com.intellij.platform.syntax.psi.CommonElementTypeConverterFactory
+- com.intellij.platform.syntax.psi.ElementTypeConverterFactory
+- <init>():V
+- getElementTypeConverter():com.intellij.platform.syntax.psi.ElementTypeConverter
 *:com.intellij.platform.syntax.psi.ElementTypeConverter
 - a:convert(com.intellij.platform.syntax.SyntaxElementType):com.intellij.psi.tree.IElementType
 - a:convert(com.intellij.psi.tree.IElementType):com.intellij.platform.syntax.SyntaxElementType

platform/syntax/syntax-psi/src/com/intellij/platform/syntax/psi/CommonElementTypeConverter.kt

@@ -6,7 +6,7 @@ import com.intellij.platform.syntax.util.runtime.DUMMY_BLOCK
 import com.intellij.psi.DummyBlockType
 import com.intellij.psi.TokenType
 
-internal class CommonElementTypeConverterFactory : ElementTypeConverterFactory {
+class CommonElementTypeConverterFactory : ElementTypeConverterFactory {
   override fun getElementTypeConverter(): ElementTypeConverter = commonConverter
 
   private val commonConverter: ElementTypeConverter = elementTypeConverterOf(

plugins/kotlin/uast/uast-kotlin/tests/test/org/jetbrains/uast/test/kotlin/AbstractKotlinUastTest.kt

@@ -1,19 +1,27 @@
-// Copyright 2000-2024 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 org.jetbrains.uast.test.kotlin
 
 import com.intellij.core.CoreApplicationEnvironment
+import com.intellij.lang.LanguageExtensionPoint
 import com.intellij.mock.MockComponentManager
 import com.intellij.mock.MockProject
 import com.intellij.openapi.Disposable
 import com.intellij.openapi.application.ApplicationManager
 import com.intellij.openapi.application.runWriteActionAndWait
+import com.intellij.openapi.extensions.DefaultPluginDescriptor
 import com.intellij.openapi.extensions.Extensions
+import com.intellij.openapi.extensions.PluginId
+import com.intellij.openapi.extensions.impl.ExtensionsAreaImpl
 import com.intellij.openapi.util.Disposer
 import com.intellij.openapi.vfs.VirtualFile
 import com.intellij.openapi.vfs.VirtualFileManager
+import com.intellij.platform.syntax.psi.CommonElementTypeConverterFactory
+import com.intellij.platform.syntax.psi.ElementTypeConverterFactory
+import com.intellij.platform.syntax.psi.ElementTypeConverters
 import com.intellij.psi.PsiManager
 import com.intellij.psi.PsiNameHelper
 import com.intellij.psi.impl.PsiNameHelperImpl
+import com.intellij.testFramework.ExtensionTestUtil
 import com.intellij.testFramework.LightProjectDescriptor
 import com.intellij.util.io.URLUtil
 import junit.framework.TestCase
@@ -124,6 +132,13 @@ abstract class AbstractKotlinUastTest : TestCase(),
     }
 
     private fun initializeCoreEnvironment() {
+        val extensionArea = ApplicationManager.getApplication().extensionArea as ExtensionsAreaImpl
+
+        val pluginDescriptor = DefaultPluginDescriptor(
+            PluginId.getId(javaClass.getName() + "." + name),
+            this::class.java.classLoader,
+        )
+
         CoreApplicationEnvironment.registerApplicationExtensionPoint(
             UastLanguagePlugin.EP,
             UastLanguagePlugin::class.java,
@@ -140,13 +155,23 @@ abstract class AbstractKotlinUastTest : TestCase(),
         )
         project.registerService(UastContext::class.java)
 
-        Extensions.getRootArea().getExtensionPoint(UastLanguagePlugin.EP)
+        extensionArea.getExtensionPoint(UastLanguagePlugin.EP)
             .registerExtension(JavaUastLanguagePlugin())
 
         AnalysisHandlerExtension.registerExtension(
             project,
             UastAnalysisHandlerExtension(),
         )
+
+        extensionArea.registerFakeBeanPoint<ElementTypeConverterFactory>(ElementTypeConverters.instance.name, pluginDescriptor)
+        val languagePlugin: LanguageExtensionPoint<ElementTypeConverterFactory> =
+            LanguageExtensionPoint("any", CommonElementTypeConverterFactory())
+        languagePlugin.pluginDescriptor = pluginDescriptor
+        ExtensionTestUtil.addExtension(
+            extensionArea,
+            ElementTypeConverters.instance,
+            languagePlugin
+        )
     }
 
     private fun initializeKotlinEnvironment() {