| // Copyright (c) 2023, 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 'dart:async'; |
| import 'dart:io'; |
| |
| import 'package:dartdev/src/sdk.dart'; |
| import 'package:logging/logging.dart'; |
| import 'package:native_assets_builder/native_assets_builder.dart'; |
| import 'package:native_assets_cli/native_assets_cli.dart'; |
| import 'package:native_assets_cli/native_assets_cli_internal.dart'; |
| |
| import 'core.dart'; |
| |
| /// Compiles all native assets for host OS in JIT mode. |
| /// |
| /// If provided, only native assets of all transitive dependencies of |
| /// [runPackageName] are built. |
| Future<(bool success, List<AssetImpl> assets)> compileNativeAssetsJit({ |
| required bool verbose, |
| String? runPackageName, |
| }) async { |
| final workingDirectory = Directory.current.uri; |
| // TODO(https://github.com/dart-lang/package_config/issues/126): Use |
| // package config resolution from package:package_config. |
| if (!await File.fromUri( |
| workingDirectory.resolve('.dart_tool/package_config.json')) |
| .exists()) { |
| return (true, <AssetImpl>[]); |
| } |
| final nativeAssetsBuildRunner = NativeAssetsBuildRunner( |
| // This always runs in JIT mode. |
| dartExecutable: Uri.file(sdk.dart), |
| logger: logger(verbose), |
| ); |
| final buildResult = await nativeAssetsBuildRunner.build( |
| workingDirectory: workingDirectory, |
| // When running in JIT mode, only the host OS needs to be build. |
| target: Target.current, |
| // When running in JIT mode, only dynamic libraries are supported. |
| linkModePreference: LinkModePreferenceImpl.dynamic, |
| // Dart has no concept of release vs debug, default to release. |
| buildMode: BuildModeImpl.release, |
| includeParentEnvironment: true, |
| runPackageName: runPackageName, |
| supportedAssetTypes: [ |
| NativeCodeAsset.type, |
| DataAsset.type, |
| ], |
| ); |
| |
| final linkResult = await nativeAssetsBuildRunner.link( |
| workingDirectory: workingDirectory, |
| target: Target.current, |
| buildMode: BuildModeImpl.release, |
| includeParentEnvironment: true, |
| buildResult: buildResult, |
| ); |
| |
| return ( |
| buildResult.success && linkResult.success, |
| [...buildResult.assets, ...linkResult.assets], |
| ); |
| } |
| |
| /// Compiles all native assets for host OS in JIT mode, and creates the |
| /// native assets yaml file. |
| /// |
| /// If provided, only native assets of all transitive dependencies of |
| /// [runPackageName] are built. |
| /// |
| /// Used in `dart run` and `dart test`. |
| Future<(bool success, Uri? nativeAssetsYaml)> compileNativeAssetsJitYamlFile({ |
| required bool verbose, |
| String? runPackageName, |
| }) async { |
| final (success, assets) = await compileNativeAssetsJit( |
| verbose: verbose, |
| runPackageName: runPackageName, |
| ); |
| if (!success) { |
| return (false, null); |
| } |
| final kernelAssets = KernelAssets([ |
| ...[ |
| for (final asset in assets.whereType<NativeCodeAssetImpl>()) |
| _targetLocation(asset), |
| ], |
| ...[ |
| for (final asset in assets.whereType<DataAssetImpl>()) |
| _dataTargetLocation(asset), |
| ] |
| ]); |
| |
| final workingDirectory = Directory.current.uri; |
| final assetsUri = workingDirectory.resolve('.dart_tool/native_assets.yaml'); |
| final nativeAssetsYaml = '''# Native assets mapping for host OS in JIT mode. |
| # Generated by dartdev and package:native_assets_builder. |
| ${kernelAssets.toNativeAssetsFile()}'''; |
| final assetFile = File(assetsUri.toFilePath()); |
| await assetFile.writeAsString(nativeAssetsYaml); |
| return (true, assetsUri); |
| } |
| |
| KernelAsset _targetLocation(NativeCodeAssetImpl asset) { |
| final linkMode = asset.linkMode; |
| final KernelAssetPath kernelAssetPath; |
| switch (linkMode) { |
| case DynamicLoadingSystemImpl _: |
| kernelAssetPath = KernelAssetSystemPath(linkMode.uri); |
| case LookupInExecutableImpl _: |
| kernelAssetPath = KernelAssetInExecutable(); |
| case LookupInProcessImpl _: |
| kernelAssetPath = KernelAssetInProcess(); |
| case DynamicLoadingBundledImpl _: |
| kernelAssetPath = KernelAssetAbsolutePath(asset.file!); |
| default: |
| throw Exception( |
| 'Unsupported NativeCodeAsset linkMode ${linkMode.runtimeType} in asset $asset', |
| ); |
| } |
| return KernelAsset( |
| id: asset.id, |
| target: Target.fromArchitectureAndOS(asset.architecture!, asset.os), |
| path: kernelAssetPath, |
| ); |
| } |
| |
| KernelAsset _dataTargetLocation(DataAssetImpl asset) { |
| return KernelAsset( |
| id: asset.id, |
| target: Target.current, |
| path: KernelAssetAbsolutePath(asset.file), |
| ); |
| } |
| |
| Future<bool> warnOnNativeAssets() async { |
| final workingDirectory = Directory.current.uri; |
| if (!await File.fromUri( |
| workingDirectory.resolve('.dart_tool/package_config.json')) |
| .exists()) { |
| // If `pub get` hasn't run, we can't know, so don't error. |
| return false; |
| } |
| try { |
| final packageLayout = |
| await PackageLayout.fromRootPackageRoot(workingDirectory); |
| final packagesWithNativeAssets = [ |
| ...await packageLayout.packagesWithAssets(Hook.build), |
| ...await packageLayout.packagesWithAssets(Hook.link) |
| ]; |
| if (packagesWithNativeAssets.isEmpty) { |
| return false; |
| } |
| final packageNames = packagesWithNativeAssets.map((p) => p.name).join(' '); |
| log.stderr( |
| 'Package(s) $packageNames require the native assets feature to be enabled. ' |
| 'Enable native assets with `--enable-experiment=native-assets`.', |
| ); |
| } on FormatException catch (e) { |
| // This can be thrown if the package_config.json is malformed or has |
| // duplicate entries. |
| log.stderr( |
| 'Error encountered while parsing package_config.json: ${e.message}', |
| ); |
| } |
| return true; |
| } |
| |
| Logger logger(bool verbose) => Logger('') |
| ..onRecord.listen((LogRecord record) { |
| final levelValue = record.level.value; |
| if (levelValue >= Level.SEVERE.value) { |
| log.stderr(record.message); |
| } else if (levelValue >= Level.WARNING.value || |
| verbose && levelValue >= Level.INFO.value) { |
| log.stdout(record.message); |
| } else { |
| // Note, this is ignored by default. |
| log.trace(record.message); |
| } |
| }); |