public static CompilationResult GetAssemblyFromCompilation(
IAssemblyLoadContext loader,
Compilation compilation)
{
EmitResult result;
using (var ms = new MemoryStream())
{
using (var pdb = new MemoryStream())
{
if (PlatformHelper.IsMono)
{
result = compilation.Emit(ms, pdbStream: null);
}
else
{
result = compilation.Emit(ms, pdbStream: pdb);
}
if (!result.Success)
{
var formatter = new DiagnosticFormatter();
var errorMessages = result.Diagnostics
.Where(IsError)
.Select(d => formatter.Format(d));
return CompilationResult.FromErrorMessages(errorMessages);
}
ms.Seek(0, SeekOrigin.Begin);
Assembly assembly;
if (PlatformHelper.IsMono)
{
assembly = loader.LoadStream(ms, assemblySymbols: null);
}
else
{
pdb.Seek(0, SeekOrigin.Begin);
assembly = loader.LoadStream(ms, pdb);
}
return CompilationResult.FromAssembly(assembly);
}
}
}
public static CompiledAssemblyResult GetAssemblyFromCompilation(
[NotNull]CSharpCompilation compilation)
{
Check.NotNull(compilation, nameof(compilation));
EmitResult result;
using (var ms = new MemoryStream())
{
using (var pdb = new MemoryStream())
{
if (PlatformHelper.IsMono)
{
result = compilation.Emit(ms, pdbStream: null);
}
else
{
result = compilation.Emit(ms, pdbStream: pdb);
}
if (!result.Success)
{
var formatter = new DiagnosticFormatter();
var errorMessages = result.Diagnostics
.Where(IsError)
.Select(d => formatter.Format(d));
return CompiledAssemblyResult.FromErrorMessages(errorMessages);
}
Assembly assembly;
if (PlatformHelper.IsMono)
{
var assemblyLoadMethod = typeof(Assembly).GetTypeInfo().GetDeclaredMethods("Load")
.First(
m =>
{
var parameters = m.GetParameters();
return parameters.Length == 1 && parameters[0].ParameterType == typeof(byte[]);
});
assembly = (Assembly)assemblyLoadMethod.Invoke(null, new[] { ms.ToArray() });
}
else
{
var assemblyLoadMethod = typeof(Assembly).GetTypeInfo().GetDeclaredMethods("Load")
.First(
m =>
{
var parameters = m.GetParameters();
return parameters.Length == 2
&& parameters[0].ParameterType == typeof(byte[])
&& parameters[1].ParameterType == typeof(byte[]);
});
assembly = (Assembly)assemblyLoadMethod.Invoke(null, new[] { ms.ToArray(), pdb.ToArray() });
}
return CompiledAssemblyResult.FromAssembly(assembly);
}
}
}
protected virtual void PrintError(Diagnostic diagnostic, TextWriter consoleOutput)
{
consoleOutput.WriteLine(DiagnosticFormatter.Format(diagnostic, Culture));
}
private static DiagnosticResult CreateDiagnosticResult(bool success, IEnumerable<Diagnostic> diagnostics)
{
var formatter = new DiagnosticFormatter();
var errors = diagnostics.Where(IsError)
.Select(d => formatter.Format(d)).ToList();
var warnings = diagnostics.Where(d => d.Severity == DiagnosticSeverity.Warning)
.Select(d => formatter.Format(d)).ToList();
return new DiagnosticResult(success, warnings, errors);
}
internal static IEnumerable<string> Convert(IEnumerable<Diagnostic> diagnostics)
{
var formatter = new DiagnosticFormatter();
return diagnostics.Select(d => formatter.Format(d)).ToList();
}
private static AssemblyLoadResult ReportCompilationError(EmitResult result)
{
#if DESKTOP // TODO: Temporary due to CoreCLR and Desktop Roslyn being out of sync
var formatter = DiagnosticFormatter.Instance;
#else
var formatter = new DiagnosticFormatter();
#endif
var errors = new List<string>(result.Diagnostics.Select(d => formatter.Format(d)));
return new AssemblyLoadResult(errors);
}
public CompilationResult Compile(string content)
{
var syntaxTrees = new[] { CSharpSyntaxTree.ParseText(content) };
var targetFramework = _environment.TargetFramework;
var references = GetApplicationReferences();
var assemblyName = Path.GetRandomFileName();
var compilation = CSharpCompilation.Create(assemblyName,
options: new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary),
syntaxTrees: syntaxTrees,
references: references);
using (var ms = new MemoryStream())
{
using (var pdb = new MemoryStream())
{
EmitResult result;
if (PlatformHelper.IsMono)
{
result = compilation.Emit(ms, pdbStream: null);
}
else
{
result = compilation.Emit(ms, pdbStream: pdb);
}
if (!result.Success)
{
var formatter = new DiagnosticFormatter();
var messages = result.Diagnostics
.Where(IsError)
.Select(d => GetCompilationMessage(formatter, d))
.ToList();
return CompilationResult.Failed(content, messages);
}
Assembly assembly;
ms.Seek(0, SeekOrigin.Begin);
if (PlatformHelper.IsMono)
{
assembly = _loader.LoadStream(ms, pdbStream: null);
}
else
{
pdb.Seek(0, SeekOrigin.Begin);
assembly = _loader.LoadStream(ms, pdb);
}
var type = assembly.GetExportedTypes()
.First();
return CompilationResult.Successful(string.Empty, type);
}
}
}
private CompilationMessage GetCompilationMessage(DiagnosticFormatter formatter, Diagnostic diagnostic)
{
return new CompilationMessage(formatter.Format(diagnostic));
}