add lang.fileViewProviderFactory

Author: ericdallo

build.gradle.kts

@@ -63,7 +63,7 @@ intellij {
     updateSinceUntilBuild.set(false)
 
     val platformPlugins =  ArrayList<Any>()
-    val localLsp4ij = file("../lsp4ij/build/idea-sandbox/plugins/LSP4IJ").absoluteFile
+    val localLsp4ij = file("../lsp4ij/build/idea-sandbox/IC-2023.3/plugins/lsp4ij").absoluteFile
     if (localLsp4ij.isDirectory) {
         // In case Gradle fails to build because it can't find some missing jar, try deleting
         // ~/.gradle/caches/modules-2/files-2.1/com.jetbrains.intellij.idea/unzipped.com.jetbrains.plugins/com.redhat.devtools.lsp4ij*

src/main/resources/META-INF/plugin.xml

@@ -30,6 +30,7 @@
         <!-- Clojure language / lexer, syntax parser -->
         <fileType name="clojure" language="clojure" extensions="clj;cljs;cljc;cljd;edn;bb;clj_kondo"
                   implementationClass="com.github.clojure_lsp.intellij.ClojureFileType" fieldName="INSTANCE"/>
+        <lang.fileViewProviderFactory language="clojure" implementationClass="com.redhat.devtools.lsp4ij.features.semanticTokens.viewProvider.LSPSemanticTokensFileViewProviderFactory"/>
 
         <lang.parserDefinition language="clojure" implementationClass="com.github.clojure_lsp.intellij.language.parser.ClojureParserDefinition"/>
         <lang.syntaxHighlighterFactory language="clojure" implementationClass="com.github.clojure_lsp.intellij.extension.SyntaxHighlighter"/>