| // Copyright 2014 The Flutter Authors. 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:native_assets_builder/native_assets_builder.dart' |
| hide NativeAssetsBuildRunner; |
| import 'package:native_assets_cli/native_assets_cli_internal.dart'; |
| |
| import '../../../base/file_system.dart'; |
| import '../../../build_info.dart'; |
| import '../../../globals.dart' as globals; |
| |
| import '../macos/native_assets_host.dart'; |
| import '../native_assets.dart'; |
| |
| /// Dry run the native builds. |
| /// |
| /// This does not build native assets, it only simulates what the final paths |
| /// of all assets will be so that this can be embedded in the kernel file and |
| /// the Xcode project. |
| Future<Uri?> dryRunNativeAssetsIOS({ |
| required NativeAssetsBuildRunner buildRunner, |
| required Uri projectUri, |
| required FileSystem fileSystem, |
| }) async { |
| if (!await nativeBuildRequired(buildRunner)) { |
| return null; |
| } |
| |
| final Uri buildUri = nativeAssetsBuildUri(projectUri, OSImpl.iOS); |
| final Iterable<KernelAsset> assetTargetLocations = await dryRunNativeAssetsIOSInternal( |
| fileSystem, |
| projectUri, |
| buildRunner, |
| ); |
| final Uri nativeAssetsUri = await writeNativeAssetsYaml( |
| KernelAssets(assetTargetLocations), |
| buildUri, |
| fileSystem, |
| ); |
| return nativeAssetsUri; |
| } |
| |
| Future<Iterable<KernelAsset>> dryRunNativeAssetsIOSInternal( |
| FileSystem fileSystem, |
| Uri projectUri, |
| NativeAssetsBuildRunner buildRunner, |
| ) async { |
| const OSImpl targetOS = OSImpl.iOS; |
| globals.logger.printTrace('Dry running native assets for $targetOS.'); |
| final BuildDryRunResult buildDryRunResult = await buildRunner.buildDryRun( |
| linkModePreference: LinkModePreferenceImpl.dynamic, |
| targetOS: targetOS, |
| workingDirectory: projectUri, |
| includeParentEnvironment: true, |
| ); |
| ensureNativeAssetsBuildDryRunSucceed(buildDryRunResult); |
| final LinkDryRunResult linkDryRunResult = await buildRunner.linkDryRun( |
| linkModePreference: LinkModePreferenceImpl.dynamic, |
| targetOS: targetOS, |
| workingDirectory: projectUri, |
| includeParentEnvironment: true, |
| buildDryRunResult: buildDryRunResult, |
| ); |
| ensureNativeAssetsLinkDryRunSucceed(linkDryRunResult); |
| final List<AssetImpl> nativeAssets = <AssetImpl>[ |
| ...buildDryRunResult.assets, |
| ...linkDryRunResult.assets, |
| ]; |
| ensureNoLinkModeStatic(nativeAssets); |
| globals.logger.printTrace('Dry running native assets for $targetOS done.'); |
| return _assetTargetLocations(nativeAssets).values; |
| } |
| |
| /// Builds native assets. |
| Future<List<Uri>> buildNativeAssetsIOS({ |
| required NativeAssetsBuildRunner buildRunner, |
| required List<DarwinArch> darwinArchs, |
| required EnvironmentType environmentType, |
| required Uri projectUri, |
| required BuildMode buildMode, |
| String? codesignIdentity, |
| required Uri yamlParentDirectory, |
| required FileSystem fileSystem, |
| }) async { |
| if (!await nativeBuildRequired(buildRunner)) { |
| await writeNativeAssetsYaml(KernelAssets(), yamlParentDirectory, fileSystem); |
| return <Uri>[]; |
| } |
| |
| final List<Target> targets = darwinArchs.map(_getNativeTarget).toList(); |
| final BuildModeImpl buildModeCli = nativeAssetsBuildMode(buildMode); |
| |
| const OSImpl targetOS = OSImpl.iOS; |
| final Uri buildUri = nativeAssetsBuildUri(projectUri, targetOS); |
| final IOSSdkImpl iosSdk = _getIOSSdkImpl(environmentType); |
| |
| globals.logger.printTrace('Building native assets for $targets $buildModeCli.'); |
| final List<AssetImpl> nativeAssets = <AssetImpl>[]; |
| final Set<Uri> dependencies = <Uri>{}; |
| for (final Target target in targets) { |
| final BuildResult buildResult = await buildRunner.build( |
| linkModePreference: LinkModePreferenceImpl.dynamic, |
| target: target, |
| targetIOSSdkImpl: iosSdk, |
| buildMode: buildModeCli, |
| workingDirectory: projectUri, |
| includeParentEnvironment: true, |
| cCompilerConfig: await buildRunner.cCompilerConfig, |
| ); |
| ensureNativeAssetsBuildSucceed(buildResult); |
| nativeAssets.addAll(buildResult.assets); |
| dependencies.addAll(buildResult.dependencies); |
| final LinkResult linkResult = await buildRunner.link( |
| linkModePreference: LinkModePreferenceImpl.dynamic, |
| target: target, |
| targetIOSSdkImpl: iosSdk, |
| buildMode: buildModeCli, |
| workingDirectory: projectUri, |
| includeParentEnvironment: true, |
| cCompilerConfig: await buildRunner.cCompilerConfig, |
| buildResult: buildResult, |
| ); |
| ensureNativeAssetsLinkSucceed(linkResult); |
| nativeAssets.addAll(linkResult.assets); |
| dependencies.addAll(linkResult.dependencies); |
| } |
| ensureNoLinkModeStatic(nativeAssets); |
| globals.logger.printTrace('Building native assets for $targets done.'); |
| final Map<KernelAssetPath, List<AssetImpl>> fatAssetTargetLocations = |
| _fatAssetTargetLocations(nativeAssets); |
| await _copyNativeAssetsIOS( |
| buildUri, |
| fatAssetTargetLocations, |
| codesignIdentity, |
| buildMode, |
| fileSystem, |
| ); |
| |
| final Map<AssetImpl, KernelAsset> assetTargetLocations = |
| _assetTargetLocations(nativeAssets); |
| await writeNativeAssetsYaml( |
| KernelAssets(assetTargetLocations.values), |
| yamlParentDirectory, |
| fileSystem, |
| ); |
| return dependencies.toList(); |
| } |
| |
| IOSSdkImpl _getIOSSdkImpl(EnvironmentType environmentType) { |
| return switch (environmentType) { |
| EnvironmentType.physical => IOSSdkImpl.iPhoneOS, |
| EnvironmentType.simulator => IOSSdkImpl.iPhoneSimulator, |
| }; |
| } |
| |
| /// Extract the [Target] from a [DarwinArch]. |
| Target _getNativeTarget(DarwinArch darwinArch) { |
| return switch (darwinArch) { |
| DarwinArch.armv7 => Target.iOSArm, |
| DarwinArch.arm64 => Target.iOSArm64, |
| DarwinArch.x86_64 => Target.iOSX64, |
| }; |
| } |
| |
| Map<KernelAssetPath, List<AssetImpl>> _fatAssetTargetLocations( |
| List<AssetImpl> nativeAssets) { |
| final Set<String> alreadyTakenNames = <String>{}; |
| final Map<KernelAssetPath, List<AssetImpl>> result = |
| <KernelAssetPath, List<AssetImpl>>{}; |
| final Map<String, KernelAssetPath> idToPath = <String, KernelAssetPath>{}; |
| for (final AssetImpl asset in nativeAssets) { |
| // Use same target path for all assets with the same id. |
| final KernelAssetPath path = idToPath[asset.id] ?? |
| _targetLocationIOS( |
| asset, |
| alreadyTakenNames, |
| ).path; |
| idToPath[asset.id] = path; |
| result[path] ??= <AssetImpl>[]; |
| result[path]!.add(asset); |
| } |
| return result; |
| } |
| |
| Map<AssetImpl, KernelAsset> _assetTargetLocations( |
| List<AssetImpl> nativeAssets) { |
| final Set<String> alreadyTakenNames = <String>{}; |
| final Map<String, KernelAssetPath> idToPath = <String, KernelAssetPath>{}; |
| final Map<AssetImpl, KernelAsset> result = <AssetImpl, KernelAsset>{}; |
| for (final AssetImpl asset in nativeAssets) { |
| final KernelAssetPath path = idToPath[asset.id] ?? |
| _targetLocationIOS(asset, alreadyTakenNames).path; |
| idToPath[asset.id] = path; |
| result[asset] = KernelAsset( |
| id: (asset as NativeCodeAssetImpl).id, |
| target: Target.fromArchitectureAndOS(asset.architecture!, asset.os), |
| path: path, |
| ); |
| } |
| return result; |
| } |
| |
| KernelAsset _targetLocationIOS(AssetImpl asset, Set<String> alreadyTakenNames) { |
| final LinkModeImpl linkMode = (asset as NativeCodeAssetImpl).linkMode; |
| final KernelAssetPath kernelAssetPath; |
| switch (linkMode) { |
| case DynamicLoadingSystemImpl _: |
| kernelAssetPath = KernelAssetSystemPath(linkMode.uri); |
| case LookupInExecutableImpl _: |
| kernelAssetPath = KernelAssetInExecutable(); |
| case LookupInProcessImpl _: |
| kernelAssetPath = KernelAssetInProcess(); |
| case DynamicLoadingBundledImpl _: |
| final String fileName = asset.file!.pathSegments.last; |
| kernelAssetPath = KernelAssetAbsolutePath(frameworkUri( |
| fileName, |
| alreadyTakenNames, |
| )); |
| default: |
| throw Exception( |
| 'Unsupported asset link mode $linkMode in asset $asset', |
| ); |
| } |
| return KernelAsset( |
| id: asset.id, |
| target: Target.fromArchitectureAndOS(asset.architecture!, asset.os), |
| path: kernelAssetPath, |
| ); |
| } |
| |
| /// Copies native assets into a framework per dynamic library. |
| /// |
| /// For `flutter run -release` a multi-architecture solution is needed. So, |
| /// `lipo` is used to combine all target architectures into a single file. |
| /// |
| /// The install name is set so that it matches what the place it will |
| /// be bundled in the final app. |
| /// |
| /// Code signing is also done here, so that it doesn't have to be done in |
| /// in xcode_backend.dart. |
| Future<void> _copyNativeAssetsIOS( |
| Uri buildUri, |
| Map<KernelAssetPath, List<AssetImpl>> assetTargetLocations, |
| String? codesignIdentity, |
| BuildMode buildMode, |
| FileSystem fileSystem, |
| ) async { |
| if (assetTargetLocations.isNotEmpty) { |
| globals.logger |
| .printTrace('Copying native assets to ${buildUri.toFilePath()}.'); |
| for (final MapEntry<KernelAssetPath, List<AssetImpl>> assetMapping |
| in assetTargetLocations.entries) { |
| final Uri target = (assetMapping.key as KernelAssetAbsolutePath).uri; |
| final List<Uri> sources = <Uri>[ |
| for (final AssetImpl source in assetMapping.value) source.file! |
| ]; |
| final Uri targetUri = buildUri.resolveUri(target); |
| final File dylibFile = fileSystem.file(targetUri); |
| final Directory frameworkDir = dylibFile.parent; |
| if (!await frameworkDir.exists()) { |
| await frameworkDir.create(recursive: true); |
| } |
| await lipoDylibs(dylibFile, sources); |
| await setInstallNameDylib(dylibFile); |
| // TODO(knopp): Wire the value once there is a way to configure that in the hook. |
| // https://github.com/dart-lang/native/issues/1133 |
| await createInfoPlist(targetUri.pathSegments.last, frameworkDir, minimumIOSVersion: '12.0'); |
| await codesignDylib(codesignIdentity, buildMode, frameworkDir); |
| } |
| globals.logger.printTrace('Copying native assets done.'); |
| } |
| } |