private static void RunAssemblyStripper(UnityLinkerRunInformation runInformation)
{
string output;
string error;
var rcr = runInformation.rcr;
var managedAssemblyFolderPath = runInformation.managedAssemblyFolderPath;
var linkXmlFiles = new List <string>();
linkXmlFiles.AddRange(Il2CppBlacklistPaths);
if (rcr != null)
{
linkXmlFiles.Add(WriteMethodsToPreserveBlackList(rcr, runInformation.target));
linkXmlFiles.Add(MonoAssemblyStripping.GenerateLinkXmlToPreserveDerivedTypes(managedAssemblyFolderPath, rcr));
linkXmlFiles.Add(WriteTypesInScenesBlacklist(managedAssemblyFolderPath, rcr));
}
linkXmlFiles.AddRange(ProcessBuildPipelineGenerateAdditionalLinkXmlFiles(runInformation));
linkXmlFiles.AddRange(GetUserBlacklistFiles());
if (runInformation.isMonoBackend)
{
// The old Mono assembly stripper uses per-platform link.xml files if available. Apply these here.
var buildToolsDirectory = BuildPipeline.GetBuildToolsDirectory(runInformation.target);
if (!string.IsNullOrEmpty(buildToolsDirectory))
{
var platformDescriptor = Path.Combine(buildToolsDirectory, "link.xml");
if (File.Exists(platformDescriptor))
{
linkXmlFiles.Add(platformDescriptor);
}
}
}
WriteEditorData(runInformation);
if (!runInformation.performEngineStripping && !UseUnityLinkerEngineModuleStripping)
{
// if we don't do stripping, add all modules blacklists.
linkXmlFiles.AddRange(runInformation.GetModuleBlacklistFiles());
}
var tempStripPath = Path.GetFullPath(Path.Combine(managedAssemblyFolderPath, "tempStrip"));
ProcessBuildPipelineOnBeforeRun(runInformation);
bool addedMoreBlacklists;
do
{
addedMoreBlacklists = false;
if (EditorUtility.DisplayCancelableProgressBar("Building Player", "Stripping assemblies", 0.0f))
{
throw new OperationCanceledException();
}
if (!StripAssembliesTo(
tempStripPath,
out output,
out error,
SanitizeLinkXmlFilePaths(linkXmlFiles, runInformation),
runInformation))
{
throw new Exception("Error in stripping assemblies: " + runInformation.AssembliesToProcess() + ", " + error);
}
if (runInformation.engineStrippingSupported)
{
var icallSummaryPath = Path.Combine(managedAssemblyFolderPath, "ICallSummary.txt");
GenerateInternalCallSummaryFile(icallSummaryPath, managedAssemblyFolderPath, tempStripPath);
if (runInformation.performEngineStripping && !UseUnityLinkerEngineModuleStripping)
{
// Find which modules we must include in the build based on Assemblies
HashSet <UnityType> nativeClasses;
HashSet <string> nativeModules;
CodeStrippingUtils.GenerateDependencies(tempStripPath, icallSummaryPath, rcr, runInformation.performEngineStripping, out nativeClasses, out nativeModules, runInformation.il2CppPlatformProvider);
// Add module-specific blacklists.
addedMoreBlacklists = AddWhiteListsForModules(nativeModules, linkXmlFiles, runInformation.platformProvider.moduleStrippingInformationFolder);
}
}
if (runInformation.performEngineStripping && UseUnityLinkerEngineModuleStripping)
{
UpdateBuildReport(ReadLinkerToEditorData(tempStripPath), runInformation);
}
// If we had to add more whitelists, we need to run AssemblyStripper again with the added whitelists.
}while (addedMoreBlacklists && !UseUnityLinkerEngineModuleStripping);
// keep unstripped files for debugging purposes
var tempUnstrippedPath = Path.GetFullPath(Path.Combine(managedAssemblyFolderPath, "tempUnstripped"));
if (debugUnstripped)
{
Directory.CreateDirectory(tempUnstrippedPath);
}
foreach (var file in Directory.GetFiles(managedAssemblyFolderPath))
{
var extension = Path.GetExtension(file);
if (string.Equals(extension, ".dll", StringComparison.InvariantCultureIgnoreCase) ||
string.Equals(extension, ".winmd", StringComparison.InvariantCultureIgnoreCase) ||
string.Equals(extension, ".mdb", StringComparison.InvariantCultureIgnoreCase) ||
string.Equals(extension, ".pdb", StringComparison.InvariantCultureIgnoreCase))
{
if (debugUnstripped)
{
File.Move(file, Path.Combine(tempUnstrippedPath, Path.GetFileName(file)));
}
else
{
File.Delete(file);
}
}
}
foreach (var file in Directory.GetFiles(tempStripPath))
{
File.Move(file, Path.Combine(managedAssemblyFolderPath, Path.GetFileName(file)));
}
foreach (var dir in Directory.GetDirectories(tempStripPath))
{
Directory.Move(dir, Path.Combine(managedAssemblyFolderPath, Path.GetFileName(dir)));
}
Directory.Delete(tempStripPath);
ProcessBuildPipelineOnAfterRun(runInformation);
}
private static bool StripAssembliesTo(string outputFolder, out string output, out string error, IEnumerable <string> linkXmlFiles, UnityLinkerRunInformation runInformation)
{
if (!Directory.Exists(outputFolder))
{
Directory.CreateDirectory(outputFolder);
}
var assemblies = runInformation.AssembliesToProcess();
var args = new List <string>
{
$"-out={CommandLineFormatter.PrepareFileName(outputFolder)}",
};
if (!UseUnityLinkerEngineModuleStripping)
{
args.Add($"-x={CommandLineFormatter.PrepareFileName(GetModuleWhitelist("Core", runInformation.platformProvider.moduleStrippingInformationFolder))}");
}
args.AddRange(linkXmlFiles.Select(path => $"-x={CommandLineFormatter.PrepareFileName(path)}"));
args.AddRange(runInformation.SearchDirectories.Select(d => $"-d={CommandLineFormatter.PrepareFileName(d)}"));
args.AddRange(assemblies.Select(assembly => $"--include-unity-root-assembly={CommandLineFormatter.PrepareFileName(Path.GetFullPath(assembly))}"));
args.Add($"--dotnetruntime={runInformation.argumentProvider.Runtime}");
args.Add($"--dotnetprofile={runInformation.argumentProvider.Profile}");
args.Add("--use-editor-options");
args.Add($"--include-directory={CommandLineFormatter.PrepareFileName(runInformation.managedAssemblyFolderPath)}");
if (EditorUserBuildSettings.allowDebugging)
{
args.Add("--editor-settings-flag=AllowDebugging");
}
if (EditorUserBuildSettings.development)
{
args.Add("--editor-settings-flag=Development");
}
args.Add($"--rule-set={runInformation.argumentProvider.RuleSet}");
args.Add($"--editor-data-file={CommandLineFormatter.PrepareFileName(runInformation.EditorToLinkerDataPath)}");
if (runInformation.platformProvider.AllowOutputToBeMadePlatformDependent)
{
var platform = runInformation.platformProvider.Platform;
if (string.IsNullOrEmpty(platform))
{
throw new ArgumentException($"Platform is required if AllowOutputToBeMadePlatformDependent is true");
}
args.Add($"--platform={platform}");
}
if (runInformation.platformProvider.AllowOutputToBeMadeArchitectureDependent)
{
var architecture = runInformation.platformProvider.Architecture;
if (string.IsNullOrEmpty(architecture))
{
throw new ArgumentException($"Architecture is required if AllowOutputToBeMadeArchitectureDependent is true");
}
args.Add($"--architecture={architecture}");
}
if (!UseUnityLinkerEngineModuleStripping)
{
args.Add("--disable-engine-module-support");
}
if (runInformation.performEngineStripping)
{
args.Add("--enable-engine-module-stripping");
if (UnityEngine.Connect.UnityConnectSettings.enabled)
{
args.Add("--engine-stripping-flag=EnableUnityConnect");
}
if (UnityEngine.Analytics.PerformanceReporting.enabled)
{
args.Add("--engine-stripping-flag=EnablePerformanceReporting");
}
if (UnityEngine.Analytics.Analytics.enabled)
{
args.Add("--engine-stripping-flag=EnableAnalytics");
}
if (UnityEditor.CrashReporting.CrashReportingSettings.enabled)
{
args.Add("--engine-stripping-flag=EnableCrashReporting");
}
if (UnityEditorInternal.VR.VRModule.ShouldInjectVRDependenciesForBuildTarget(runInformation.target))
{
args.Add("--engine-stripping-flag=EnableVR");
}
}
var modulesAssetPath = runInformation.ModulesAssetFilePath;
if (File.Exists(modulesAssetPath))
{
args.Add($"--engine-modules-asset-file={CommandLineFormatter.PrepareFileName(modulesAssetPath)}");
}
var additionalArgs = System.Environment.GetEnvironmentVariable("UNITYLINKER_ADDITIONAL_ARGS");
if (!string.IsNullOrEmpty(additionalArgs))
{
args.Add(additionalArgs);
}
additionalArgs = Debug.GetDiagnosticSwitch("VMUnityLinkerAdditionalArgs") as string;
if (!string.IsNullOrEmpty(additionalArgs))
{
args.Add(additionalArgs.Trim('\''));
}
return(RunAssemblyLinker(args, out output, out error, UnityLinkerPath, runInformation.managedAssemblyFolderPath));
}
private static void RunAssemblyStripper(UnityLinkerRunInformation runInformation)
{
string output;
string error;
var managedAssemblyFolderPath = runInformation.managedAssemblyFolderPath;
var linkXmlFiles = GetLinkXmlFiles(runInformation);
WriteEditorData(runInformation);
var tempStripPath = GetFullPath(Path.Combine(managedAssemblyFolderPath, "tempStrip"));
if (EditorUtility.DisplayCancelableProgressBar("Building Player", "Stripping assemblies", 0.0f))
{
throw new OperationCanceledException();
}
if (!StripAssembliesTo(
tempStripPath,
out output,
out error,
linkXmlFiles,
runInformation))
{
throw new Exception("Error in stripping assemblies: " + runInformation.AssembliesToProcess() + ", " + error);
}
if (runInformation.engineStrippingSupported)
{
var icallSummaryPath = Path.Combine(managedAssemblyFolderPath, "ICallSummary.txt");
GenerateInternalCallSummaryFile(icallSummaryPath, managedAssemblyFolderPath, tempStripPath);
}
if (runInformation.performEngineStripping)
{
var strippingInfo = runInformation.BuildReportData;
if (strippingInfo != null)
{
UpdateBuildReport(ReadLinkerToEditorData(tempStripPath), strippingInfo);
}
}
// keep unstripped files for debugging purposes
var tempUnstrippedPath = GetFullPath(Path.Combine(managedAssemblyFolderPath, "tempUnstripped"));
if (debugUnstripped)
{
Directory.CreateDirectory(tempUnstrippedPath);
}
foreach (var file in Directory.GetFiles(managedAssemblyFolderPath))
{
var extension = Path.GetExtension(file);
if (string.Equals(extension, ".dll", StringComparison.InvariantCultureIgnoreCase) ||
string.Equals(extension, ".winmd", StringComparison.InvariantCultureIgnoreCase) ||
string.Equals(extension, ".mdb", StringComparison.InvariantCultureIgnoreCase) ||
string.Equals(extension, ".pdb", StringComparison.InvariantCultureIgnoreCase))
{
if (debugUnstripped)
{
File.Move(file, Path.Combine(tempUnstrippedPath, Path.GetFileName(file)));
}
else
{
File.Delete(file);
}
}
}
foreach (var file in Directory.GetFiles(tempStripPath))
{
File.Move(file, Path.Combine(managedAssemblyFolderPath, Path.GetFileName(file)));
}
foreach (var dir in Directory.GetDirectories(tempStripPath))
{
Directory.Move(dir, Path.Combine(managedAssemblyFolderPath, Path.GetFileName(dir)));
}
Directory.Delete(tempStripPath);
}
