22ccb74ef5
The output location of gen_snapshot differs based on the engine's target platform, and we don't know the target platform when building a platform-independent FLX in JIT mode.
233 lines
8.9 KiB
Dart
233 lines
8.9 KiB
Dart
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'base/context.dart';
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import 'base/file_system.dart';
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import 'base/platform.dart';
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import 'build_info.dart';
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import 'globals.dart';
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enum Artifact {
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dartIoEntriesTxt,
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dartVmEntryPointsTxt,
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genSnapshot,
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flutterTester,
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snapshotDart,
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flutterFramework,
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vmSnapshotData,
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isolateSnapshotData
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}
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String _artifactToFileName(Artifact artifact) {
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switch (artifact) {
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case Artifact.dartIoEntriesTxt:
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return 'dart_io_entries.txt';
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case Artifact.dartVmEntryPointsTxt:
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return 'dart_vm_entry_points.txt';
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case Artifact.genSnapshot:
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return 'gen_snapshot';
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case Artifact.flutterTester:
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return 'flutter_tester';
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case Artifact.snapshotDart:
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return 'snapshot.dart';
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case Artifact.flutterFramework:
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return 'Flutter.framework';
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case Artifact.vmSnapshotData:
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return 'vm_isolate_snapshot.bin';
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case Artifact.isolateSnapshotData:
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return 'isolate_snapshot.bin';
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}
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assert(false, 'Invalid artifact $artifact.');
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return null;
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}
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// Manages the engine artifacts of Flutter.
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abstract class Artifacts {
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static Artifacts get instance => context[Artifacts];
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static void useLocalEngine(String engineSrcPath, String engineOutPath) {
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context.setVariable(Artifacts, new LocalEngineArtifacts(engineSrcPath, engineOutPath));
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}
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// Returns the requested [artifact] for the [platform] and [mode] combination.
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String getArtifactPath(Artifact artifact, [TargetPlatform platform, BuildMode mode]);
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// Returns which set of engine artifacts is currently used for the [platform]
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// and [mode] combination.
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String getEngineType(TargetPlatform platform, [BuildMode mode]);
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}
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/// Manages the engine artifacts downloaded to the local cache.
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class CachedArtifacts extends Artifacts {
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@override
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String getArtifactPath(Artifact artifact, [TargetPlatform platform, BuildMode mode]) {
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platform ??= _currentHostPlatform;
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switch (platform) {
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case TargetPlatform.android_arm:
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case TargetPlatform.android_x64:
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case TargetPlatform.android_x86:
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return _getAndroidArtifactPath(artifact, platform, mode);
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case TargetPlatform.ios:
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return _getIosArtifactPath(artifact, platform, mode);
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case TargetPlatform.darwin_x64:
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case TargetPlatform.linux_x64:
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case TargetPlatform.windows_x64:
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case TargetPlatform.fuchsia:
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return _getHostArtifactPath(artifact, platform);
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}
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assert(false, 'Invalid platform $platform.');
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return null;
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}
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@override
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String getEngineType(TargetPlatform platform, [BuildMode mode]){
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return fs.path.basename(_getEngineArtifactsPath(platform, mode));
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}
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String _getAndroidArtifactPath(Artifact artifact, TargetPlatform platform, BuildMode mode) {
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final String engineDir = _getEngineArtifactsPath(platform, mode);
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switch (artifact) {
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case Artifact.dartIoEntriesTxt:
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case Artifact.dartVmEntryPointsTxt:
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assert(mode != BuildMode.debug, 'Artifact $artifact only available in non-debug mode.');
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return fs.path.join(engineDir, _artifactToFileName(artifact));
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case Artifact.genSnapshot:
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assert(mode != BuildMode.debug, 'Artifact $artifact only available in non-debug mode.');
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final String hostPlatform = getNameForHostPlatform(getCurrentHostPlatform());
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return fs.path.join(engineDir, hostPlatform, _artifactToFileName(artifact));
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default:
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assert(false, 'Artifact $artifact not available for platform $platform.');
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return null;
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}
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}
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String _getIosArtifactPath(Artifact artifact, TargetPlatform platform, BuildMode mode) {
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final String engineDir = _getEngineArtifactsPath(platform, mode);
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switch (artifact) {
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case Artifact.dartIoEntriesTxt:
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case Artifact.dartVmEntryPointsTxt:
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case Artifact.genSnapshot:
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case Artifact.snapshotDart:
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case Artifact.flutterFramework:
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return fs.path.join(engineDir, _artifactToFileName(artifact));
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default:
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assert(false, 'Artifact $artifact not available for platform $platform.');
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return null;
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}
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}
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String _getHostArtifactPath(Artifact artifact, TargetPlatform platform) {
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switch (artifact) {
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case Artifact.genSnapshot:
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// For script snapshots any gen_snapshot binary will do. Returning gen_snapshot for
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// android_arm in profile mode because it is available on all supported host platforms.
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return _getAndroidArtifactPath(artifact, TargetPlatform.android_arm, BuildMode.profile);
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case Artifact.flutterTester:
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if (platform == TargetPlatform.windows_x64)
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throw new UnimplementedError('Artifact $artifact not available on platfrom $platform.');
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continue fallThrough;
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fallThrough:
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case Artifact.vmSnapshotData:
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case Artifact.isolateSnapshotData:
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final String engineArtifactsPath = cache.getArtifactDirectory('engine').path;
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final String platformDirName = getNameForTargetPlatform(platform);
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return fs.path.join(engineArtifactsPath, platformDirName, _artifactToFileName(artifact));
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default:
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assert(false, 'Artifact $artifact not available for platform $platform.');
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return null;
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}
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assert(false, 'Artifact $artifact not available for platform $platform.');
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return null;
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}
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String _getEngineArtifactsPath(TargetPlatform platform, [BuildMode mode]) {
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final String engineDir = cache.getArtifactDirectory('engine').path;
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final String platformName = getNameForTargetPlatform(platform);
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switch (platform) {
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case TargetPlatform.linux_x64:
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case TargetPlatform.darwin_x64:
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case TargetPlatform.windows_x64:
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case TargetPlatform.fuchsia:
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assert(mode == null, 'Platform $platform does not support different build modes.');
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return fs.path.join(engineDir, platformName);
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case TargetPlatform.ios:
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case TargetPlatform.android_arm:
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case TargetPlatform.android_x64:
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case TargetPlatform.android_x86:
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assert(mode != null, 'Need to specify a build mode for platform $platform.');
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final String suffix = mode != BuildMode.debug ? '-${getModeName(mode)}' : '';
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return fs.path.join(engineDir, platformName + suffix);
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}
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assert(false, 'Invalid platform $platform.');
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return null;
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}
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TargetPlatform get _currentHostPlatform {
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if (platform.isMacOS)
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return TargetPlatform.darwin_x64;
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if (platform.isLinux)
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return TargetPlatform.linux_x64;
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if (platform.isWindows)
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return TargetPlatform.windows_x64;
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throw new UnimplementedError('Host OS not supported.');
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}
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}
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/// Manages the artifacts of a locally built engine.
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class LocalEngineArtifacts extends Artifacts {
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final String _engineSrcPath;
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final String engineOutPath; // TODO(goderbauer): This should be private.
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LocalEngineArtifacts(this._engineSrcPath, this.engineOutPath);
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@override
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String getArtifactPath(Artifact artifact, [TargetPlatform platform, BuildMode mode]) {
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switch (artifact) {
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case Artifact.dartIoEntriesTxt:
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return fs.path.join(_engineSrcPath, 'dart', 'runtime', 'bin', _artifactToFileName(artifact));
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case Artifact.dartVmEntryPointsTxt:
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return fs.path.join(_engineSrcPath, 'flutter', 'runtime', _artifactToFileName(artifact));
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case Artifact.snapshotDart:
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return fs.path.join(_engineSrcPath, 'flutter', 'lib', 'snapshot', _artifactToFileName(artifact));
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case Artifact.genSnapshot:
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return _genSnapshotPath();
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case Artifact.flutterTester:
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return _flutterTesterPath(platform);
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case Artifact.isolateSnapshotData:
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case Artifact.vmSnapshotData:
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return fs.path.join(engineOutPath, 'gen', 'flutter', 'lib', 'snapshot', _artifactToFileName(artifact));
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case Artifact.flutterFramework:
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return fs.path.join(engineOutPath, _artifactToFileName(artifact));
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}
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assert(false, 'Invalid artifact $artifact.');
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return null;
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}
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@override
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String getEngineType(TargetPlatform platform, [BuildMode mode]) {
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return fs.path.basename(engineOutPath);
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}
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String _genSnapshotPath() {
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const List<String> clangDirs = const <String>['clang_x86', 'clang_x64', 'clang_i386'];
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final String genSnapshotName = _artifactToFileName(Artifact.genSnapshot);
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for (String clangDir in clangDirs) {
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final String genSnapshotPath = fs.path.join(engineOutPath, clangDir, genSnapshotName);
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if (fs.file(genSnapshotPath).existsSync())
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return genSnapshotPath;
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}
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throw new Exception('Unable to find $genSnapshotName');
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}
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String _flutterTesterPath(TargetPlatform platform) {
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if (getCurrentHostPlatform() == HostPlatform.linux_x64) {
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return fs.path.join(engineOutPath, _artifactToFileName(Artifact.flutterTester));
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} else if (getCurrentHostPlatform() == HostPlatform.darwin_x64) {
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return fs.path.join(engineOutPath, 'flutter_tester');
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}
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throw new Exception('Unsupported platform $platform.');
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}
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}
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