Upgrade IDE dependencies

Author: smarter

language-server/src/dotty/tools/languageserver/DottyLanguageServer.scala

@@ -381,7 +381,7 @@ class DottyLanguageServer extends LanguageServer
     val uriTrees = driver.openedTrees(uri)
 
     val defs = Interactive.namedTrees(uriTrees, includeReferences = false, _ => true)
-    defs.map(d => symbolInfo(d.tree.symbol, d.namePos)).asJava
+    defs.map(d => JEither.forLeft(symbolInfo(d.tree.symbol, d.namePos))).asJava
   }
 
   override def symbol(params: WorkspaceSymbolParams) = computeAsync { cancelToken =>

language-server/test/dotty/tools/languageserver/util/actions/CodeDocumentSymbol.scala

@@ -17,7 +17,7 @@ import scala.collection.JavaConverters._
 class CodeDocumentSymbol(override val marker: CodeMarker, expected: Seq[SymInfo]) extends ActionOnMarker {
 
   override def execute(): Exec[Unit] = {
-    val results = server.documentSymbol(marker.toDocumentSymbolParams).get().asScala
+    val results = server.documentSymbol(marker.toDocumentSymbolParams).get().asScala.map(_.getLeft)
     val expectedSymInfos = expected.map(_.toSymInformation)
 
     assertEquals(expectedSymInfos, results)

project/Build.scala

@@ -832,7 +832,7 @@ object Build {
       fork in run := true,
       fork in Test := true,
       libraryDependencies ++= Seq(
-        "org.eclipse.lsp4j" % "org.eclipse.lsp4j" % "0.4.1",
+        "org.eclipse.lsp4j" % "org.eclipse.lsp4j" % "0.5.0.M1",
         Dependencies.`jackson-databind`
       ),
       javaOptions := (javaOptions in `dotty-compiler-bootstrapped`).value,