[lsp] log arguments with which the lsp was started to a user

GitOrigin-RevId: 2291a9b5a1be64aedfbff8698beb5e25fd2e3cc1

Author: darthorimar

kotlin-lsp/src/com/jetbrains/ls/kotlinLsp/KotlinLspServer.kt

@@ -62,7 +62,7 @@ private fun run(runConfig: KotlinLspServerRunConfig) {
                     val stdout = System.out
                     System.setOut(System.err)
                     stdioConnection(System.`in`, stdout) { connection ->
-                        handleRequests(connection, config, mode)
+                        handleRequests(connection, runConfig, config, mode)
                     }
                 }
 
@@ -71,7 +71,7 @@ private fun run(runConfig: KotlinLspServerRunConfig) {
                     tcpConnection(
                         mode.config,
                     ) { connection ->
-                        handleRequests(connection, config, mode)
+                        handleRequests(connection, runConfig, config, mode)
                     }
                 }
             }
@@ -80,7 +80,7 @@ private fun run(runConfig: KotlinLspServerRunConfig) {
 }
 
 context(LSServerContext)
-private suspend fun handleRequests(connection: LspConnection, config: LSConfiguration, mode: KotlinLspServerMode) {
+private suspend fun handleRequests(connection: LspConnection, runConfig: KotlinLspServerRunConfig, config: LSConfiguration, mode: KotlinLspServerMode) {
     val shutdownOnExitSignal = when (mode) {
         is KotlinLspServerMode.Socket -> when (val tcpConfig = mode.config) {
             is TcpConnectionConfig.Client -> true
@@ -99,7 +99,7 @@ private suspend fun handleRequests(connection: LspConnection, config: LSConfigur
                 outgoing,
                 handler,
                 createCoroutineContext = { lspClient ->
-                    Client.contextElement(lspClient)
+                    Client.contextElement(lspClient, runConfig)
                 },
             ) { lsp ->
                 if (exitSignal != null) {

kotlin-lsp/src/com/jetbrains/ls/kotlinLsp/KotlinLspServerRunConfig.kt

@@ -15,7 +15,7 @@ data class KotlinLspServerRunConfig(
 )
 
 sealed interface KotlinLspServerMode {
-    object Stdio : KotlinLspServerMode
+    data object Stdio : KotlinLspServerMode
 
     data class Socket(val config: TcpConnectionConfig) : KotlinLspServerMode
 }

kotlin-lsp/src/com/jetbrains/ls/kotlinLsp/connection/Client.kt

@@ -1,22 +1,24 @@
 // Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.jetbrains.ls.kotlinLsp.connection
 
+import com.jetbrains.ls.kotlinLsp.KotlinLspServerRunConfig
 import com.jetbrains.lsp.implementation.LspClient
 import com.jetbrains.lsp.protocol.TraceValue
 import kotlinx.coroutines.ThreadContextElement
 import kotlinx.coroutines.asContextElement
 
 data class Client(
     val lspClient: LspClient,
-    val trace: TraceValue? = null,
+    val runConfig: KotlinLspServerRunConfig?,
+    val trace: TraceValue?,
 ) {
     companion object {
         val current: Client?
             get() = ClientConnectionHolder.ThreadBound.get()?.connection
 
-        fun contextElement(lspClient: LspClient): ThreadContextElement<*> {
+        fun contextElement(lspClient: LspClient, runConfig: KotlinLspServerRunConfig?): ThreadContextElement<*> {
             return ClientConnectionHolder.ThreadBound.asContextElement(
-                ClientConnectionHolder(Client(lspClient))
+                ClientConnectionHolder(Client(lspClient, runConfig, trace = null))
             )
         }
 

kotlin-lsp/src/com/jetbrains/ls/kotlinLsp/requests/core/initialize.kt

@@ -14,9 +14,11 @@ import com.jetbrains.ls.imports.gradle.GradleWorkspaceImporter
 import com.jetbrains.ls.imports.jps.JpsWorkspaceImporter
 import com.jetbrains.ls.imports.json.JsonWorkspaceImporter
 import com.jetbrains.ls.kotlinLsp.connection.Client
+import com.jetbrains.ls.kotlinLsp.util.getSystemInfo
 import com.jetbrains.ls.kotlinLsp.util.importProject
 import com.jetbrains.ls.kotlinLsp.util.registerStdlibAndJdk
 import com.jetbrains.ls.kotlinLsp.util.sendSystemInfoToClient
+import com.jetbrains.lsp.implementation.LspClient
 import com.jetbrains.lsp.implementation.LspHandlerContext
 import com.jetbrains.lsp.implementation.LspHandlersBuilder
 import com.jetbrains.lsp.implementation.reportProgress
@@ -31,6 +33,8 @@ context(LSServer, LSConfiguration)
 internal fun LspHandlersBuilder.initializeRequest() {
     request(Initialize) { initParams ->
         Client.update { it.copy(trace = initParams.trace) }
+
+        lspClient.sendRunConfigurationInfoToClient()
         lspClient.sendSystemInfoToClient()
 
         LOG.info("Got `initialize` request from ${initParams.clientInfo ?: "unknown"}\nparams:\n${LSP.json.encodeToString(InitializeParams.serializer(), initParams)}")
@@ -109,6 +113,15 @@ internal fun LspHandlersBuilder.initializeRequest() {
     }
 }
 
+private fun LspClient.sendRunConfigurationInfoToClient() {
+    val client = Client.current ?: return
+    val runConfig = client.runConfig
+    notify(
+        LogMessageNotification,
+        LogMessageParams(MessageType.Info, "Process stared with\n${runConfig}"),
+    )
+}
+
 context(LSServer, LSConfiguration, LspHandlerContext)
 private suspend fun indexFolders(
     folders: List<WorkspaceFolder>,