blob: b721a2ee3dd6ad488af17fca9dfb71dc8aaa740a [file] [log] [blame]
// 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:meta/meta.dart';
import 'package:platform/platform.dart';
import 'package:process/process.dart';
import 'base/file_system.dart';
import 'base/utils.dart';
import 'build_info.dart';
import 'cache.dart';
import 'dart/sdk.dart';
import 'globals.dart' as globals;
enum Artifact {
/// The tool which compiles a dart kernel file into native code.
genSnapshot,
/// The flutter tester binary.
flutterTester,
snapshotDart,
flutterFramework,
/// The framework directory of the macOS desktop.
flutterMacOSFramework,
vmSnapshotData,
isolateSnapshotData,
platformKernelDill,
platformLibrariesJson,
flutterPatchedSdkPath,
frontendServerSnapshotForEngineDartSdk,
/// The root directory of the dart SDK.
engineDartSdkPath,
/// The dart binary used to execute any of the required snapshots.
engineDartBinary,
/// The dart snapshot of the dart2js compiler.
dart2jsSnapshot,
/// The dart snapshot of the dartdev compiler.
dartdevcSnapshot,
/// The dart snpashot of the kernel worker compiler.
kernelWorkerSnapshot,
/// The root of the web implementation of the dart SDK.
flutterWebSdk,
/// The summary dill for the dartdevc target.
webPlatformKernelDill,
iosDeploy,
ideviceinfo,
ideviceId,
idevicename,
idevicesyslog,
idevicescreenshot,
ideviceinstaller,
iproxy,
/// The root of the Linux desktop sources.
linuxDesktopPath,
/// The root of the Windows desktop sources.
windowsDesktopPath,
/// The root of the sky_engine package
skyEnginePath,
/// The location of the macOS engine podspec file.
flutterMacOSPodspec,
// Fuchsia artifacts from the engine prebuilts.
fuchsiaKernelCompiler,
fuchsiaFlutterRunner,
/// Tools related to subsetting or icon font files.
fontSubset,
constFinder,
}
String _artifactToFileName(Artifact artifact, [ TargetPlatform platform, BuildMode mode ]) {
final String exe = platform == TargetPlatform.windows_x64 ? '.exe' : '';
switch (artifact) {
case Artifact.genSnapshot:
return 'gen_snapshot';
case Artifact.flutterTester:
return 'flutter_tester$exe';
case Artifact.snapshotDart:
return 'snapshot.dart';
case Artifact.flutterFramework:
return 'Flutter.framework';
case Artifact.flutterMacOSFramework:
return 'FlutterMacOS.framework';
case Artifact.vmSnapshotData:
return 'vm_isolate_snapshot.bin';
case Artifact.isolateSnapshotData:
return 'isolate_snapshot.bin';
case Artifact.platformKernelDill:
return 'platform_strong.dill';
case Artifact.platformLibrariesJson:
return 'libraries.json';
case Artifact.flutterPatchedSdkPath:
assert(false, 'No filename for sdk path, should not be invoked');
return null;
case Artifact.flutterWebSdk:
assert(false, 'No filename for web sdk path, should not be invoked');
return null;
case Artifact.engineDartSdkPath:
return 'dart-sdk';
case Artifact.frontendServerSnapshotForEngineDartSdk:
return 'frontend_server.dart.snapshot';
case Artifact.engineDartBinary:
return 'dart$exe';
case Artifact.dart2jsSnapshot:
return 'dart2js.dart.snapshot';
case Artifact.dartdevcSnapshot:
return 'dartdevc.dart.snapshot';
case Artifact.kernelWorkerSnapshot:
return 'kernel_worker.dart.snapshot';
case Artifact.iosDeploy:
return 'ios-deploy';
case Artifact.ideviceinfo:
return 'ideviceinfo';
case Artifact.ideviceId:
return 'idevice_id';
case Artifact.idevicename:
return 'idevicename';
case Artifact.idevicesyslog:
return 'idevicesyslog';
case Artifact.idevicescreenshot:
return 'idevicescreenshot';
case Artifact.ideviceinstaller:
return 'ideviceinstaller';
case Artifact.iproxy:
return 'iproxy';
case Artifact.linuxDesktopPath:
return '';
case Artifact.windowsDesktopPath:
return '';
case Artifact.skyEnginePath:
return 'sky_engine';
case Artifact.flutterMacOSPodspec:
return 'FlutterMacOS.podspec';
case Artifact.webPlatformKernelDill:
return 'flutter_ddc_sdk.dill';
case Artifact.fuchsiaKernelCompiler:
return 'kernel_compiler.snapshot';
case Artifact.fuchsiaFlutterRunner:
final String jitOrAot = mode.isJit ? '_jit' : '_aot';
final String productOrNo = mode.isRelease ? '_product' : '';
return 'flutter$jitOrAot${productOrNo}_runner-0.far';
case Artifact.fontSubset:
return 'font-subset$exe';
case Artifact.constFinder:
return 'const_finder.dart.snapshot';
}
assert(false, 'Invalid artifact $artifact.');
return null;
}
class EngineBuildPaths {
const EngineBuildPaths({
@required this.targetEngine,
@required this.hostEngine,
}) : assert(targetEngine != null),
assert(hostEngine != null);
final String targetEngine;
final String hostEngine;
}
// Manages the engine artifacts of Flutter.
abstract class Artifacts {
static LocalEngineArtifacts getLocalEngine(String engineSrcPath, EngineBuildPaths engineBuildPaths) {
return LocalEngineArtifacts(
engineSrcPath,
engineBuildPaths.targetEngine,
engineBuildPaths.hostEngine,
cache: globals.cache,
fileSystem: globals.fs,
processManager: globals.processManager,
platform: globals.platform,
);
}
// Returns the requested [artifact] for the [platform] and [mode] combination.
String getArtifactPath(Artifact artifact, { TargetPlatform platform, BuildMode mode });
// Returns which set of engine artifacts is currently used for the [platform]
// and [mode] combination.
String getEngineType(TargetPlatform platform, [ BuildMode mode ]);
}
/// Manages the engine artifacts downloaded to the local cache.
class CachedArtifacts extends Artifacts {
CachedArtifacts({
@required FileSystem fileSystem,
@required Platform platform,
@required Cache cache,
}) : _fileSystem = fileSystem,
_platform = platform,
_cache = cache;
final FileSystem _fileSystem;
final Platform _platform;
final Cache _cache;
@override
String getArtifactPath(Artifact artifact, { TargetPlatform platform, BuildMode mode }) {
switch (platform) {
case TargetPlatform.android_arm:
case TargetPlatform.android_arm64:
case TargetPlatform.android_x64:
case TargetPlatform.android_x86:
return _getAndroidArtifactPath(artifact, platform, mode);
case TargetPlatform.ios:
return _getIosArtifactPath(artifact, platform, mode);
case TargetPlatform.darwin_x64:
return _getDarwinArtifactPath(artifact, platform, mode);
case TargetPlatform.fuchsia_arm64:
case TargetPlatform.fuchsia_x64:
return _getFuchsiaArtifactPath(artifact, platform, mode);
case TargetPlatform.linux_x64:
case TargetPlatform.windows_x64:
case TargetPlatform.tester:
case TargetPlatform.web_javascript:
default: // could be null, but that can't be specified as a case.
return _getHostArtifactPath(artifact, platform ?? _currentHostPlatform(_platform), mode);
}
}
@override
String getEngineType(TargetPlatform platform, [ BuildMode mode ]) {
return _fileSystem.path.basename(_getEngineArtifactsPath(platform, mode));
}
String _getDarwinArtifactPath(Artifact artifact, TargetPlatform platform, BuildMode mode) {
// When platform is null, a generic host platform artifact is being requested
// and not the gen_snapshot for darwin as a target platform.
if (platform != null && artifact == Artifact.genSnapshot) {
final String engineDir = _getEngineArtifactsPath(platform, mode);
return _fileSystem.path.join(engineDir, _artifactToFileName(artifact));
}
return _getHostArtifactPath(artifact, platform ?? _currentHostPlatform(_platform), mode);
}
String _getAndroidArtifactPath(Artifact artifact, TargetPlatform platform, BuildMode mode) {
final String engineDir = _getEngineArtifactsPath(platform, mode);
switch (artifact) {
case Artifact.frontendServerSnapshotForEngineDartSdk:
assert(mode != BuildMode.debug, 'Artifact $artifact only available in non-debug mode.');
return _fileSystem.path.join(engineDir, _artifactToFileName(artifact));
case Artifact.genSnapshot:
assert(mode != BuildMode.debug, 'Artifact $artifact only available in non-debug mode.');
final String hostPlatform = getNameForHostPlatform(getCurrentHostPlatform());
return _fileSystem.path.join(engineDir, hostPlatform, _artifactToFileName(artifact));
default:
return _getHostArtifactPath(artifact, platform, mode);
}
}
String _getIosArtifactPath(Artifact artifact, TargetPlatform platform, BuildMode mode) {
switch (artifact) {
case Artifact.genSnapshot:
case Artifact.snapshotDart:
case Artifact.flutterFramework:
case Artifact.frontendServerSnapshotForEngineDartSdk:
final String artifactFileName = _artifactToFileName(artifact);
final String engineDir = _getEngineArtifactsPath(platform, mode);
return _fileSystem.path.join(engineDir, artifactFileName);
case Artifact.ideviceId:
case Artifact.ideviceinfo:
case Artifact.idevicescreenshot:
case Artifact.idevicesyslog:
case Artifact.idevicename:
final String artifactFileName = _artifactToFileName(artifact);
return _cache.getArtifactDirectory('libimobiledevice').childFile(artifactFileName).path;
case Artifact.iosDeploy:
final String artifactFileName = _artifactToFileName(artifact);
return _cache.getArtifactDirectory('ios-deploy').childFile(artifactFileName).path;
case Artifact.ideviceinstaller:
final String artifactFileName = _artifactToFileName(artifact);
return _cache.getArtifactDirectory('ideviceinstaller').childFile(artifactFileName).path;
case Artifact.iproxy:
final String artifactFileName = _artifactToFileName(artifact);
return _cache.getArtifactDirectory('usbmuxd').childFile(artifactFileName).path;
default:
return _getHostArtifactPath(artifact, platform, mode);
}
}
String _getFuchsiaArtifactPath(Artifact artifact, TargetPlatform platform, BuildMode mode) {
final String root = _fileSystem.path.join(
_cache.getArtifactDirectory('flutter_runner').path,
'flutter',
fuchsiaArchForTargetPlatform(platform),
mode.isRelease ? 'release' : mode.toString(),
);
final String runtime = mode.isJit ? 'jit' : 'aot';
switch (artifact) {
case Artifact.genSnapshot:
final String genSnapshot = mode.isRelease ? 'gen_snapshot_product' : 'gen_snapshot';
return _fileSystem.path.join(root, runtime, 'dart_binaries', genSnapshot);
case Artifact.flutterPatchedSdkPath:
const String artifactFileName = 'flutter_runner_patched_sdk';
return _fileSystem.path.join(root, runtime, artifactFileName);
case Artifact.platformKernelDill:
final String artifactFileName = _artifactToFileName(artifact, platform, mode);
return _fileSystem.path.join(root, runtime, 'flutter_runner_patched_sdk', artifactFileName);
case Artifact.fuchsiaKernelCompiler:
final String artifactFileName = _artifactToFileName(artifact, platform, mode);
return _fileSystem.path.join(root, runtime, 'dart_binaries', artifactFileName);
case Artifact.fuchsiaFlutterRunner:
final String artifactFileName = _artifactToFileName(artifact, platform, mode);
return _fileSystem.path.join(root, runtime, artifactFileName);
default:
return _getHostArtifactPath(artifact, platform, mode);
}
}
String _getFlutterPatchedSdkPath(BuildMode mode) {
final String engineArtifactsPath = _cache.getArtifactDirectory('engine').path;
return _fileSystem.path.join(engineArtifactsPath, 'common',
mode == BuildMode.release ? 'flutter_patched_sdk_product' : 'flutter_patched_sdk');
}
String _getFlutterWebSdkPath() {
return _cache.getWebSdkDirectory().path;
}
String _getHostArtifactPath(Artifact artifact, TargetPlatform platform, BuildMode mode) {
assert(platform != null);
switch (artifact) {
case Artifact.genSnapshot:
// For script snapshots any gen_snapshot binary will do. Returning gen_snapshot for
// android_arm in profile mode because it is available on all supported host platforms.
return _getAndroidArtifactPath(artifact, TargetPlatform.android_arm, BuildMode.profile);
case Artifact.flutterTester:
case Artifact.vmSnapshotData:
case Artifact.isolateSnapshotData:
case Artifact.frontendServerSnapshotForEngineDartSdk:
final String engineArtifactsPath = _cache.getArtifactDirectory('engine').path;
final String platformDirName = getNameForTargetPlatform(platform);
return _fileSystem.path.join(engineArtifactsPath, platformDirName, _artifactToFileName(artifact, platform, mode));
case Artifact.engineDartSdkPath:
return dartSdkPath;
case Artifact.engineDartBinary:
return _fileSystem.path.join(dartSdkPath, 'bin', _artifactToFileName(artifact, platform));
case Artifact.platformKernelDill:
return _fileSystem.path.join(_getFlutterPatchedSdkPath(mode), _artifactToFileName(artifact));
case Artifact.platformLibrariesJson:
return _fileSystem.path.join(_getFlutterPatchedSdkPath(mode), 'lib', _artifactToFileName(artifact));
case Artifact.flutterPatchedSdkPath:
return _getFlutterPatchedSdkPath(mode);
case Artifact.flutterWebSdk:
return _getFlutterWebSdkPath();
case Artifact.webPlatformKernelDill:
return _fileSystem.path.join(_getFlutterWebSdkPath(), 'kernel', _artifactToFileName(artifact));
case Artifact.dart2jsSnapshot:
return _fileSystem.path.join(dartSdkPath, 'bin', 'snapshots', _artifactToFileName(artifact));
case Artifact.dartdevcSnapshot:
return _fileSystem.path.join(dartSdkPath, 'bin', 'snapshots', _artifactToFileName(artifact));
case Artifact.kernelWorkerSnapshot:
return _fileSystem.path.join(dartSdkPath, 'bin', 'snapshots', _artifactToFileName(artifact));
case Artifact.flutterMacOSFramework:
case Artifact.linuxDesktopPath:
case Artifact.windowsDesktopPath:
case Artifact.flutterMacOSPodspec:
// TODO(jonahwilliams): remove once debug desktop artifacts are uploaded
// under a separate directory from the host artifacts.
// https://github.com/flutter/flutter/issues/38935
String platformDirName = getNameForTargetPlatform(platform);
if (mode == BuildMode.profile || mode == BuildMode.release) {
platformDirName = '$platformDirName-${getNameForBuildMode(mode)}';
}
final String engineArtifactsPath = _cache.getArtifactDirectory('engine').path;
return _fileSystem.path.join(engineArtifactsPath, platformDirName, _artifactToFileName(artifact, platform, mode));
case Artifact.skyEnginePath:
final Directory dartPackageDirectory = _cache.getCacheDir('pkg');
return _fileSystem.path.join(dartPackageDirectory.path, _artifactToFileName(artifact));
case Artifact.fontSubset:
case Artifact.constFinder:
return _cache.getArtifactDirectory('font-subset').childFile(_artifactToFileName(artifact, platform, mode)).path;
default:
assert(false, 'Artifact $artifact not available for platform $platform.');
return null;
}
}
String _getEngineArtifactsPath(TargetPlatform platform, [ BuildMode mode ]) {
final String engineDir = _cache.getArtifactDirectory('engine').path;
final String platformName = getNameForTargetPlatform(platform);
switch (platform) {
case TargetPlatform.linux_x64:
case TargetPlatform.darwin_x64:
case TargetPlatform.windows_x64:
// TODO(jonahwilliams): remove once debug desktop artifacts are uploaded
// under a separate directory from the host artifacts.
// https://github.com/flutter/flutter/issues/38935
if (mode == BuildMode.debug || mode == null) {
return _fileSystem.path.join(engineDir, platformName);
}
final String suffix = mode != BuildMode.debug ? '-${snakeCase(getModeName(mode), '-')}' : '';
return _fileSystem.path.join(engineDir, platformName + suffix);
case TargetPlatform.fuchsia_arm64:
case TargetPlatform.fuchsia_x64:
case TargetPlatform.tester:
case TargetPlatform.web_javascript:
assert(mode == null, 'Platform $platform does not support different build modes.');
return _fileSystem.path.join(engineDir, platformName);
case TargetPlatform.ios:
case TargetPlatform.android_arm:
case TargetPlatform.android_arm64:
case TargetPlatform.android_x64:
case TargetPlatform.android_x86:
assert(mode != null, 'Need to specify a build mode for platform $platform.');
final String suffix = mode != BuildMode.debug ? '-${snakeCase(getModeName(mode), '-')}' : '';
return _fileSystem.path.join(engineDir, platformName + suffix);
case TargetPlatform.android:
assert(false, 'cannot use TargetPlatform.android to look up artifacts');
return null;
}
assert(false, 'Invalid platform $platform.');
return null;
}
}
TargetPlatform _currentHostPlatform(Platform platform) {
if (platform.isMacOS) {
return TargetPlatform.darwin_x64;
}
if (platform.isLinux) {
return TargetPlatform.linux_x64;
}
if (platform.isWindows) {
return TargetPlatform.windows_x64;
}
throw UnimplementedError('Host OS not supported.');
}
HostPlatform _currentHostPlatformAsHost(Platform platform) {
if (platform.isMacOS) {
return HostPlatform.darwin_x64;
}
if (platform.isLinux) {
return HostPlatform.linux_x64;
}
if (platform.isWindows) {
return HostPlatform.windows_x64;
}
throw UnimplementedError('Host OS not supported.');
}
/// Manages the artifacts of a locally built engine.
class LocalEngineArtifacts extends Artifacts {
LocalEngineArtifacts(
this._engineSrcPath,
this.engineOutPath,
this._hostEngineOutPath, {
@required FileSystem fileSystem,
@required Cache cache,
@required ProcessManager processManager,
@required Platform platform,
}) : _fileSystem = fileSystem,
_cache = cache,
_processManager = processManager,
_platform = platform;
final String _engineSrcPath;
final String engineOutPath; // TODO(goderbauer): This should be private.
final String _hostEngineOutPath;
final FileSystem _fileSystem;
final Cache _cache;
final ProcessManager _processManager;
final Platform _platform;
@override
String getArtifactPath(Artifact artifact, { TargetPlatform platform, BuildMode mode }) {
platform ??= _currentHostPlatform(_platform);
final String artifactFileName = _artifactToFileName(artifact, platform, mode);
switch (artifact) {
case Artifact.snapshotDart:
return _fileSystem.path.join(_engineSrcPath, 'flutter', 'lib', 'snapshot', artifactFileName);
case Artifact.genSnapshot:
return _genSnapshotPath();
case Artifact.flutterTester:
return _flutterTesterPath(platform);
case Artifact.isolateSnapshotData:
case Artifact.vmSnapshotData:
return _fileSystem.path.join(engineOutPath, 'gen', 'flutter', 'lib', 'snapshot', artifactFileName);
case Artifact.platformKernelDill:
if (platform == TargetPlatform.fuchsia_x64 || platform == TargetPlatform.fuchsia_arm64) {
return _fileSystem.path.join(engineOutPath, 'flutter_runner_patched_sdk', artifactFileName);
}
return _fileSystem.path.join(_getFlutterPatchedSdkPath(mode), artifactFileName);
case Artifact.platformLibrariesJson:
return _fileSystem.path.join(_getFlutterPatchedSdkPath(mode), 'lib', artifactFileName);
case Artifact.flutterFramework:
return _fileSystem.path.join(engineOutPath, artifactFileName);
case Artifact.flutterMacOSFramework:
return _fileSystem.path.join(engineOutPath, artifactFileName);
case Artifact.flutterPatchedSdkPath:
// When using local engine always use [BuildMode.debug] regardless of
// what was specified in [mode] argument because local engine will
// have only one flutter_patched_sdk in standard location, that
// is happen to be what debug(non-release) mode is using.
if (platform == TargetPlatform.fuchsia_x64 || platform == TargetPlatform.fuchsia_arm64) {
return _fileSystem.path.join(engineOutPath, 'flutter_runner_patched_sdk');
}
return _getFlutterPatchedSdkPath(BuildMode.debug);
case Artifact.flutterWebSdk:
return _getFlutterWebSdkPath();
case Artifact.frontendServerSnapshotForEngineDartSdk:
return _fileSystem.path.join(_hostEngineOutPath, 'gen', artifactFileName);
case Artifact.engineDartSdkPath:
return _fileSystem.path.join(_hostEngineOutPath, 'dart-sdk');
case Artifact.engineDartBinary:
return _fileSystem.path.join(_hostEngineOutPath, 'dart-sdk', 'bin', artifactFileName);
case Artifact.dart2jsSnapshot:
return _fileSystem.path.join(_hostEngineOutPath, 'dart-sdk', 'bin', 'snapshots', artifactFileName);
case Artifact.dartdevcSnapshot:
return _fileSystem.path.join(dartSdkPath, 'bin', 'snapshots', artifactFileName);
case Artifact.kernelWorkerSnapshot:
return _fileSystem.path.join(_hostEngineOutPath, 'dart-sdk', 'bin', 'snapshots', artifactFileName);
case Artifact.ideviceId:
case Artifact.ideviceinfo:
case Artifact.idevicename:
case Artifact.idevicescreenshot:
case Artifact.idevicesyslog:
return _cache.getArtifactDirectory('libimobiledevice').childFile(artifactFileName).path;
case Artifact.ideviceinstaller:
return _cache.getArtifactDirectory('ideviceinstaller').childFile(artifactFileName).path;
case Artifact.iosDeploy:
return _cache.getArtifactDirectory('ios-deploy').childFile(artifactFileName).path;
case Artifact.iproxy:
return _cache.getArtifactDirectory('usbmuxd').childFile(artifactFileName).path;
case Artifact.linuxDesktopPath:
return _fileSystem.path.join(_hostEngineOutPath, artifactFileName);
case Artifact.windowsDesktopPath:
return _fileSystem.path.join(_hostEngineOutPath, artifactFileName);
case Artifact.skyEnginePath:
return _fileSystem.path.join(_hostEngineOutPath, 'gen', 'dart-pkg', artifactFileName);
case Artifact.flutterMacOSPodspec:
return _fileSystem.path.join(_hostEngineOutPath, _artifactToFileName(artifact));
case Artifact.webPlatformKernelDill:
return _fileSystem.path.join(_getFlutterWebSdkPath(), 'kernel', _artifactToFileName(artifact));
case Artifact.fuchsiaKernelCompiler:
final String hostPlatform = getNameForHostPlatform(getCurrentHostPlatform());
final String modeName = mode.isRelease ? 'release' : mode.toString();
final String dartBinaries = 'dart_binaries-$modeName-$hostPlatform';
return _fileSystem.path.join(engineOutPath, 'host_bundle', dartBinaries, 'kernel_compiler.dart.snapshot');
case Artifact.fuchsiaFlutterRunner:
final String jitOrAot = mode.isJit ? '_jit' : '_aot';
final String productOrNo = mode.isRelease ? '_product' : '';
return _fileSystem.path.join(engineOutPath, 'flutter$jitOrAot${productOrNo}_runner-0.far');
case Artifact.fontSubset:
return _fileSystem.path.join(_hostEngineOutPath, artifactFileName);
case Artifact.constFinder:
return _fileSystem.path.join(_hostEngineOutPath, 'gen', artifactFileName);
}
assert(false, 'Invalid artifact $artifact.');
return null;
}
@override
String getEngineType(TargetPlatform platform, [ BuildMode mode ]) {
return _fileSystem.path.basename(engineOutPath);
}
String _getFlutterPatchedSdkPath(BuildMode buildMode) {
return _fileSystem.path.join(engineOutPath,
buildMode == BuildMode.release ? 'flutter_patched_sdk_product' : 'flutter_patched_sdk');
}
String _getFlutterWebSdkPath() {
return _fileSystem.path.join(engineOutPath, 'flutter_web_sdk');
}
String _genSnapshotPath() {
const List<String> clangDirs = <String>['.', 'clang_x64', 'clang_x86', 'clang_i386'];
final String genSnapshotName = _artifactToFileName(Artifact.genSnapshot);
for (final String clangDir in clangDirs) {
final String genSnapshotPath = _fileSystem.path.join(engineOutPath, clangDir, genSnapshotName);
if (_processManager.canRun(genSnapshotPath)) {
return genSnapshotPath;
}
}
throw Exception('Unable to find $genSnapshotName');
}
String _flutterTesterPath(TargetPlatform platform) {
final HostPlatform hostPlatform = _currentHostPlatformAsHost(_platform);
if (hostPlatform == HostPlatform.linux_x64) {
return _fileSystem.path.join(engineOutPath, _artifactToFileName(Artifact.flutterTester));
} else if (hostPlatform == HostPlatform.darwin_x64) {
return _fileSystem.path.join(engineOutPath, 'flutter_tester');
} else if (hostPlatform == HostPlatform.windows_x64) {
return _fileSystem.path.join(engineOutPath, 'flutter_tester.exe');
}
throw Exception('Unsupported platform $platform.');
}
}
/// An implementation of [Artifacts] that provides individual overrides.
///
/// If an artifact is not provided, the lookup delegates to the parent.
class OverrideArtifacts implements Artifacts {
/// Creates a new [OverrideArtifacts].
///
/// [parent] must be provided.
OverrideArtifacts({
@required this.parent,
this.frontendServer,
this.engineDartBinary,
this.platformKernelDill,
this.flutterPatchedSdk,
}) : assert(parent != null);
final Artifacts parent;
final File frontendServer;
final File engineDartBinary;
final File platformKernelDill;
final File flutterPatchedSdk;
@override
String getArtifactPath(Artifact artifact, { TargetPlatform platform, BuildMode mode }) {
if (artifact == Artifact.frontendServerSnapshotForEngineDartSdk && frontendServer != null) {
return frontendServer.path;
}
if (artifact == Artifact.engineDartBinary && engineDartBinary != null) {
return engineDartBinary.path;
}
if (artifact == Artifact.platformKernelDill && platformKernelDill != null) {
return platformKernelDill.path;
}
if (artifact == Artifact.flutterPatchedSdkPath && flutterPatchedSdk != null) {
return flutterPatchedSdk.path;
}
return parent.getArtifactPath(artifact, platform: platform, mode: mode);
}
@override
String getEngineType(TargetPlatform platform, [ BuildMode mode ]) => parent.getEngineType(platform, mode);
}