d4t_formulas/.pub-cache/hosted/pub.dev/analyzer-7.7.1/example/ddd18_flutter.dart

import 'dart:io' as io;

import 'package:analyzer/file_system/overlay_file_system.dart';
import 'package:analyzer/file_system/physical_file_system.dart';
import 'package:analyzer/src/dart/analysis/analysis_context_collection.dart';
import 'package:analyzer/src/dart/analysis/byte_store.dart';
import 'package:analyzer/src/dart/analysis/file_content_cache.dart';
import 'package:analyzer/src/dart/analysis/performance_logger.dart';
import 'package:analyzer/src/fine/requirements.dart';
import 'package:analyzer/src/util/performance/operation_performance.dart';
import 'package:linter/src/rules.dart';

void main() async {
  var resourceProvider = OverlayResourceProvider(
    PhysicalResourceProvider.INSTANCE,
  );

  withFineDependencies = true;
  registerLintRules();

  var byteStore = MemoryByteStore();
  // var byteStore = MemoryCachingByteStore(
  //   FileByteStore('/Users/scheglov/tmp/2025/2025-02-21/cache'),
  //   1024 * 1024 * 128,
  // );

  var packageRootPath = '/Users/scheglov/Source/flutter/packages/flutter';
  var libPath = '$packageRootPath/lib';

  var targetPath = '$libPath/src/widgets/binding.dart';
  print(targetPath);
  var targetCode = resourceProvider.getFile(targetPath).readAsStringSync();

  var collection = AnalysisContextCollectionImpl(
    resourceProvider: resourceProvider,
    sdkPath: '/Users/scheglov/Applications/dart-sdk',
    includedPaths: ['/Users/scheglov/Source/flutter/packages/flutter'],
    // /Users/scheglov/Source/flutter/packages/flutter/lib/src/widgets/binding.dart
    byteStore: byteStore,
    fileContentCache: FileContentCache(resourceProvider),
    performanceLog: PerformanceLog(io.stdout),
    drainStreams: false,
  );

  for (var analysisContext in collection.contexts) {
    for (var path in analysisContext.contextRoot.analyzedFiles()) {
      if (path.endsWith('.dart')) {
        analysisContext.driver.addFile(path);
      }
    }
  }

  await collection.scheduler.waitForIdle();
  await pumpEventQueue();
  print('\n' * 2);
  print('[S] Now idle');
  print('-' * 64);

  {
    print('\n' * 2);
    var buffer = StringBuffer();
    collection.scheduler.accumulatedPerformance.write(buffer: buffer);
    print(buffer);
    collection.scheduler.accumulatedPerformance = OperationPerformanceImpl(
      '<scheduler>',
    );
  }

  // await Future.delayed(const Duration(seconds: 15), () => 0,);

  resourceProvider.setOverlay(
    targetPath,
    content: targetCode.replaceAll(
      'Future<bool> didPopRoute()',
      'Future<bool> didPopRoute2()',
    ),
    modificationStamp: 1,
  );
  for (var analysisContext in collection.contexts) {
    analysisContext.changeFile(targetPath);
  }

  print('[S] computeManifests() -> computeManifests2()');
  print('\n' * 2);
  await collection.scheduler.waitForIdle();
  await pumpEventQueue();
  print('\n' * 2);
  print('[S] Now idle');
  print('-' * 64);

  {
    print('\n' * 2);
    var buffer = StringBuffer();
    collection.scheduler.accumulatedPerformance.write(buffer: buffer);
    print(buffer);
    collection.scheduler.accumulatedPerformance = OperationPerformanceImpl(
      '<scheduler>',
    );
  }

  print('[S] Disposing...');
  await collection.dispose();
}

final Stopwatch timer = Stopwatch()..start();

Future pumpEventQueue([int times = 5000]) {
  if (times == 0) return Future.value();
  return Future.delayed(Duration.zero, () => pumpEventQueue(times - 1));
}