pkg/analysis_server/lib/src/flutter/flutter_notifications.dart

// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'package:analysis_server/src/flutter/flutter_outline_computer.dart';
import 'package:analysis_server/src/legacy_analysis_server.dart';
import 'package:analysis_server/src/protocol_server.dart' as protocol;
import 'package:analyzer/dart/analysis/results.dart';
import 'package:analyzer/exception/exception.dart';

void sendFlutterNotificationOutline(
    LegacyAnalysisServer server, ResolvedUnitResult resolvedUnit) {
  _sendNotification(server, () {
    var computer = FlutterOutlineComputer(resolvedUnit);
    var outline = computer.compute();
    // send notification
    var params = protocol.FlutterOutlineParams(
      resolvedUnit.path,
      outline,
    );
    server.sendNotification(params.toNotification());
  });
}

/// Runs the given notification producing function [f], catching exceptions.
void _sendNotification(LegacyAnalysisServer server, Function() f) {
  try {
    f();
  } catch (exception, stackTrace) {
    server.instrumentationService.logException(CaughtException.withMessage(
        'Failed to send notification', exception, stackTrace));
  }
}