Added cmd line flag to enable faster builds

Author: cmaglie

Diff for: ls/builder.go

@@ -106,7 +106,7 @@ func (r *SketchRebuilder) rebuilderLoop() {
 
 func (r *SketchRebuilder) doRebuildArduinoPreprocessedSketch(ctx context.Context, logger jsonrpc.FunctionLogger) error {
 	ls := r.ls
-	if success, err := ls.generateBuildEnvironment(ctx, false, logger); err != nil {
+	if success, err := ls.generateBuildEnvironment(ctx, !r.ls.config.SkipLibrariesDiscoveryOnRebuild, logger); err != nil {
 		return err
 	} else if !success {
 		return fmt.Errorf("build failed")

Diff for: ls/ls.go

@@ -51,14 +51,15 @@ type INOLanguageServer struct {
 
 // Config describes the language server configuration.
 type Config struct {
-	Fqbn              string
-	CliPath           *paths.Path
-	CliConfigPath     *paths.Path
-	ClangdPath        *paths.Path
-	CliDaemonAddress  string
-	CliInstanceNumber int
-	FormatterConf     *paths.Path
-	EnableLogging     bool
+	Fqbn                            string
+	CliPath                         *paths.Path
+	CliConfigPath                   *paths.Path
+	ClangdPath                      *paths.Path
+	CliDaemonAddress                string
+	CliInstanceNumber               int
+	FormatterConf                   *paths.Path
+	EnableLogging                   bool
+	SkipLibrariesDiscoveryOnRebuild bool
 }
 
 var yellow = color.New(color.FgHiYellow)

Diff for: ls/lsp_server_ide.go

@@ -282,6 +282,10 @@ type DidCompleteBuildParams struct {
 }
 
 func (server *IDELSPServer) ArduinoBuildCompleted(logger jsonrpc.FunctionLogger, raw json.RawMessage) {
+	if !server.ls.config.SkipLibrariesDiscoveryOnRebuild {
+		return
+	}
+
 	var params DidCompleteBuildParams
 	if err := json.Unmarshal(raw, &params); err != nil {
 		logger.Logf("ERROR decoding DidCompleteBuildParams: %s", err)

Diff for: main.go

@@ -50,6 +50,9 @@ func main() {
 	cliDaemonInstanceNumber := flag.Int(
 		"cli-daemon-instance", -1,
 		"Instance number of the Arduino CLI daemon")
+	skipLibrariesDiscoveryOnRebuild := flag.Bool(
+		"skip-libraries-discovery-on-rebuild", false,
+		"Skip libraries discovery on rebuild, it will make rebuilds faster but it will fail if the used libraries changes.")
 	flag.Parse()
 
 	if *loggingBasePath != "" {
@@ -111,14 +114,15 @@ func main() {
 	}
 
 	config := &ls.Config{
-		Fqbn:              *fqbn,
-		ClangdPath:        paths.New(*clangdPath),
-		EnableLogging:     *enableLogging,
-		CliPath:           paths.New(*cliPath),
-		CliConfigPath:     paths.New(*cliConfigPath),
-		FormatterConf:     paths.New(*formatFilePath),
-		CliDaemonAddress:  *cliDaemonAddress,
-		CliInstanceNumber: *cliDaemonInstanceNumber,
+		Fqbn:                            *fqbn,
+		ClangdPath:                      paths.New(*clangdPath),
+		EnableLogging:                   *enableLogging,
+		CliPath:                         paths.New(*cliPath),
+		CliConfigPath:                   paths.New(*cliConfigPath),
+		FormatterConf:                   paths.New(*formatFilePath),
+		CliDaemonAddress:                *cliDaemonAddress,
+		CliInstanceNumber:               *cliDaemonInstanceNumber,
+		SkipLibrariesDiscoveryOnRebuild: *skipLibrariesDiscoveryOnRebuild,
 	}
 
 	stdio := streams.NewReadWriteCloser(os.Stdin, os.Stdout)