Handled events 'shutdown' and 'exit'

Author: cmaglie

Diff for: ls/ls.go

@@ -308,6 +308,14 @@ func (handler *INOLanguageServer) InitializeReqFromIDE(ctx context.Context, logg
 	return resp, nil
 }
 
+func (ls *INOLanguageServer) ShutdownReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger) *jsonrpc.ResponseError {
+	logger.Logf("Sending shutdown notification to clangd...")
+	ls.Clangd.conn.Shutdown(context.Background())
+	logger.Logf("Arduino Language Server is shutting down.")
+	ls.Close()
+	return nil
+}
+
 func (ls *INOLanguageServer) TextDocumentCompletionReqFromIDE(ctx context.Context, logger jsonrpc.FunctionLogger, inoParams *lsp.CompletionParams) (*lsp.CompletionList, *jsonrpc.ResponseError) {
 	ls.readLock(logger, true)
 	defer ls.readUnlock(logger)
@@ -815,6 +823,10 @@ func (ls *INOLanguageServer) InitializedNotifFromIDE(logger jsonrpc.FunctionLogg
 	logger.Logf("Notification is not propagated to clangd")
 }
 
+func (ls *INOLanguageServer) ExitNotifFromIDE(logger jsonrpc.FunctionLogger) {
+	logger.Logf("Notification is not propagated to clangd")
+}
+
 func (ls *INOLanguageServer) TextDocumentDidOpenNotifFromIDE(logger jsonrpc.FunctionLogger, inoParam *lsp.DidOpenTextDocumentParams) {
 	ls.writeLock(logger, true)
 	defer ls.writeUnlock(logger)

Diff for: ls/lsp_client_clangd.go

@@ -73,7 +73,8 @@ func (client *ClangdLSPClient) Run() {
 }
 
 func (client *ClangdLSPClient) Close() {
-	panic("unimplemented")
+	client.conn.Exit() // send "exit" notification to Clangd
+	// TODO: kill client.conn
 }
 
 // The following are events incoming from Clangd

Diff for: ls/lsp_server_ide.go

@@ -32,7 +32,7 @@ func (server *IDELSPServer) Initialize(ctx context.Context, logger jsonrpc.Funct
 }
 
 func (server *IDELSPServer) Shutdown(ctx context.Context, logger jsonrpc.FunctionLogger) *jsonrpc.ResponseError {
-	panic("unimplemented")
+	return server.ls.ShutdownReqFromIDE(ctx, logger)
 }
 
 func (server *IDELSPServer) WorkspaceSymbol(ctx context.Context, logger jsonrpc.FunctionLogger, params *lsp.WorkspaceSymbolParams) ([]lsp.SymbolInformation, *jsonrpc.ResponseError) {
@@ -206,7 +206,7 @@ func (server *IDELSPServer) Initialized(logger jsonrpc.FunctionLogger, params *l
 }
 
 func (server *IDELSPServer) Exit(logger jsonrpc.FunctionLogger) {
-	panic("unimplemented")
+	server.ls.ExitNotifFromIDE(logger)
 }
 
 func (server *IDELSPServer) SetTrace(logger jsonrpc.FunctionLogger, params *lsp.SetTraceParams) {