public static AssemblyDefinition GenerateRoslynAssembly(CustomAssemblyResolver assemblyResolver, AssemblyDefinition assembly, string serializationAssemblyLocation, string signKeyFile, List <string> references, List <AssemblyDefinition> memoryReferences, TextWriter log, IEnumerable <SourceCode> sourceCodes)
{
var sourceFolder = Path.GetDirectoryName(serializationAssemblyLocation);
var syntaxTrees = sourceCodes.Select(x =>
{
// It has a name, let's save it as a file
string sourcePath = null;
if (x.Name != null)
{
sourcePath = Path.Combine(sourceFolder, $"{x.Name}.cs");
File.WriteAllText(sourcePath, x.Code);
}
var result = CSharpSyntaxTree.ParseText(x.Code, null, sourcePath, Encoding.UTF8);
return(result);
}).ToArray();
var compilerOptions = new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary, allowUnsafe: true, assemblyIdentityComparer: DesktopAssemblyIdentityComparer.Default);
// Sign the serialization assembly the same way the source was signed
// TODO: Transmit over command line
if (assembly.Name.HasPublicKey)
{
// TODO: If delay signed, we could actually extract the public key and apply it ourself maybe?
if (signKeyFile == null)
{
throw new InvalidOperationException("Generating serialization code for signed assembly, but no key was specified.");
}
compilerOptions = compilerOptions.WithCryptoKeyFile(signKeyFile).WithStrongNameProvider(new DesktopStrongNameProvider());
if ((assembly.MainModule.Attributes & ModuleAttributes.StrongNameSigned) != ModuleAttributes.StrongNameSigned)
{
// Delay signed
compilerOptions = compilerOptions.WithDelaySign(true);
}
}
// Add references (files and in-memory PE data)
var metadataReferences = new List <MetadataReference>();
foreach (var reference in assemblyResolver.References)
{
metadataReferences.Add(MetadataReference.CreateFromFile(reference));
}
foreach (var reference in memoryReferences)
{
metadataReferences.Add(CreateMetadataReference(assemblyResolver, reference));
}
// typeof(Dictionary<,>)
// Special case for 4.5: Because Dictionary<,> is forwarded, we need to add a reference to the actual assembly
var mscorlibAssembly = CecilExtensions.FindCorlibAssembly(assembly);
metadataReferences.Add(CreateMetadataReference(assemblyResolver, mscorlibAssembly));
var collectionAssembly = CecilExtensions.FindCollectionsAssembly(assembly);
metadataReferences.Add(CreateMetadataReference(assemblyResolver, collectionAssembly));
metadataReferences.Add(CreateMetadataReference(assemblyResolver, assembly));
// In case SiliconStudio.Core was not referenced, let's add it.
if (assembly.Name.Name != "SiliconStudio.Core" && !references.Any(x => string.Compare(Path.GetFileNameWithoutExtension(x), "SiliconStudio.Core", StringComparison.OrdinalIgnoreCase) == 0))
{
metadataReferences.Add(CreateMetadataReference(assemblyResolver, assemblyResolver.Resolve("SiliconStudio.Core")));
}
// Create roslyn compilation object
var assemblyName = assembly.Name.Name + ".Serializers";
var compilation = CSharpCompilation.Create(assemblyName, syntaxTrees, metadataReferences, compilerOptions);
// Do the actual compilation, and check errors
using (var peStream = new FileStream(serializationAssemblyLocation, FileMode.Create, FileAccess.Write))
using (var pdbStream = new FileStream(Path.ChangeExtension(serializationAssemblyLocation, ".pdb"), FileMode.Create, FileAccess.Write))
{
var compilationResult = compilation.Emit(peStream, pdbStream);
if (!compilationResult.Success)
{
var errors = new StringBuilder();
errors.AppendLine(string.Format("Serialization assembly compilation: {0} error(s)", compilationResult.Diagnostics.Count(x => x.Severity >= DiagnosticSeverity.Error)));
foreach (var error in compilationResult.Diagnostics)
{
if (error.Severity >= DiagnosticSeverity.Warning)
{
errors.AppendLine(error.ToString());
}
}
throw new InvalidOperationException(errors.ToString());
}
}
var repackOptions = new ILRepacking.RepackOptions(new string[0])
{
OutputFile = assembly.MainModule.FullyQualifiedName,
DebugInfo = true,
CopyAttributes = true,
AllowMultipleAssemblyLevelAttributes = true,
XmlDocumentation = false,
NoRepackRes = true,
InputAssemblies = new[] { serializationAssemblyLocation },
SearchDirectories = assemblyResolver.GetSearchDirectories(),
SearchAssemblies = references,
};
// Run ILMerge
var merge = new ILRepacking.ILRepack(repackOptions)
{
PrimaryAssemblyDefinition = assembly,
MemoryOnly = true,
//KeepFirstOfMultipleAssemblyLevelAttributes = true,
//Log = true,
//LogFile = "ilmerge.log",
};
try
{
var consoleWriter = Console.Out;
Console.SetOut(TextWriter.Null);
try
{
merge.Repack();
}
finally
{
Console.SetOut(consoleWriter);
}
}
catch (Exception)
{
log.WriteLine($"Error while ILRepacking {assembly.Name.Name}");
throw;
}
// Copy name
merge.TargetAssemblyDefinition.Name.Name = assembly.Name.Name;
merge.TargetAssemblyDefinition.Name.Version = assembly.Name.Version;
// Copy assembly characterics. This is necessary especially when targeting a windows app
merge.TargetAssemblyMainModule.Characteristics = assembly.MainModule.Characteristics;
// Add assembly signing info
if (assembly.Name.HasPublicKey)
{
merge.TargetAssemblyDefinition.Name.PublicKey = assembly.Name.PublicKey;
merge.TargetAssemblyDefinition.Name.PublicKeyToken = assembly.Name.PublicKeyToken;
merge.TargetAssemblyDefinition.Name.Attributes |= AssemblyAttributes.PublicKey;
if ((assembly.MainModule.Attributes & ModuleAttributes.StrongNameSigned) == ModuleAttributes.StrongNameSigned)
{
merge.TargetAssemblyMainModule.Attributes |= ModuleAttributes.StrongNameSigned;
}
}
try
{
// Delete serializer dll
File.Delete(serializationAssemblyLocation);
var serializationAssemblyPdbFilePath = Path.ChangeExtension(serializationAssemblyLocation, "pdb");
if (File.Exists(serializationAssemblyPdbFilePath))
{
File.Delete(serializationAssemblyPdbFilePath);
}
}
catch (IOException)
{
// Mute IOException
}
return(merge.TargetAssemblyDefinition);
}
public AssemblyDefinition Resolve(AssemblyNameReference name)
{
return(assemblyResolver.Resolve(name));
}