internal static TextExpressionCompilerResults BuildAssembly(Compilation compilation)
{
var results = new TextExpressionCompilerResults();
var diagnostics = compilation.GetDiagnostics();
AddDiagnostics(diagnostics);
if (results.HasErrors)
{
return(results);
}
byte[] scriptAssemblyBytes;
using (var stream = new MemoryStream())
{
var emitResult = compilation.Emit(stream);
AddDiagnostics(emitResult.Diagnostics);
if (!emitResult.Success)
{
return(results);
}
scriptAssemblyBytes = stream.ToArray();
}
results.ResultType = Assembly.Load(scriptAssemblyBytes).GetType(compilation.ScriptClass.Name);
return(results);
void AddDiagnostics(IEnumerable <Diagnostic> diagnosticsToAdd) =>
results.AddMessages(diagnosticsToAdd.Select(diagnostic => new TextExpressionCompilerError
{
SourceLineNumber = diagnostic.Location.GetMappedLineSpan().StartLinePosition.Line,
Number = diagnostic.Id,
Message = diagnostic.ToString(),
IsWarning = diagnostic.Severity < DiagnosticSeverity.Error,
}));
}
public override TextExpressionCompilerResults Compile(ClassToCompile classToCompile)
{
var results = new TextExpressionCompilerResults();
var scriptOptions = ScriptOptions.Default.WithReferences(classToCompile.References).WithImports(classToCompile.Imports);
var compilation = CSharpScript.Create(classToCompile.Code, scriptOptions).GetCompilation();
var diagnostics = compilation.GetDiagnostics();
AddDiagnostics(diagnostics);
if (results.HasErrors())
{
return(results);
}
byte[] scriptAssemblyBytes;
using (var stream = new MemoryStream())
{
var emitResult = compilation.Emit(stream);
AddDiagnostics(emitResult.Diagnostics);
if (!emitResult.Success)
{
return(results);
}
scriptAssemblyBytes = stream.ToArray();
}
results.ResultType = Assembly.Load(scriptAssemblyBytes).GetType(compilation.ScriptClass.Name).GetNestedType(classToCompile.ClassName);
return(results);
void AddDiagnostics(IEnumerable <Diagnostic> diagnosticsToAdd) =>
results.AddMessages(diagnosticsToAdd.Select(diagnostic => new TextExpressionCompilerError
{
SourceLineNumber = diagnostic.Location.GetMappedLineSpan().StartLinePosition.Line,
Number = diagnostic.Id,
Message = diagnostic.ToString(),
IsWarning = diagnostic.Severity < DiagnosticSeverity.Error,
}));
}
