protected override void OnEvaluateCompilation(Project project, ICompilationDiagnosticFilter diagnosticFilter)
{
string GetProjectOutputFilePath() => string.IsNullOrEmpty(project.OutputFilePath) ? null : project.OutputFilePath;
// TODO: TBD: I am kind of surprised that the Roslyn API does not do more to help with this issue?
string GetOutputExtension(OutputKind kind) => OutputExtensions.TryGetValue(kind, out var ext) ? ext : $"{dot}{dll}";
// TODO: TBD: ditto Compilation... CompilationWithAnalyzers...
var compilation = diagnosticFilter.GetCompilation <Compilation>();
// TODO: TBD: possibly involving Compilation.Emit? pdb path? xml path? comprehension of `target framework´?
string GetDesiredProjectOutputPath()
{
var outputDirectory = Combine($"{project.AssemblyName}", "bin");
if (!Directory.Exists(outputDirectory))
{
Directory.CreateDirectory(outputDirectory);
}
var outputFileName = $"{project.AssemblyName}{GetOutputExtension(compilation.Options.OutputKind)}";
return(Combine(outputDirectory, outputFileName));
}
// TODO: TBD: may further report Emit diagnostics ...
var outputPath = GetProjectOutputFilePath() ?? GetDesiredProjectOutputPath();
var pdbPath = Combine(GetDirectoryName(outputPath), $"{GetFileNameWithoutExtension(outputPath)}.pdb");
diagnosticFilter.Result = compilation.Emit(outputPath, pdbPath);
base.OnEvaluateCompilation(project, diagnosticFilter);
}
/// <summary>
/// Protected Constructor.
/// </summary>
/// <param name="project"></param>
/// <param name="diagnosticFilter"></param>
/// <inheritdoc />
internal CompilationDiagnosticEventArgs(Project project, ICompilationDiagnosticFilter diagnosticFilter)
{
Project = project;
DiagnosticFilter = diagnosticFilter;
}
/// <summary>
/// Internal Constructor.
/// </summary>
/// <param name="filter"></param>
/// <inheritdoc />
internal CompilationDiagnosticEventArgs(ICompilationDiagnosticFilter filter)
{
Filter = filter;
}
// TODO: TBD: may furnish Generic type derived from Compilation...
// TODO: TBD: i.e. CSharpCompilation, but this must also align with the Language, etc...
/// <summary>
/// Event handler occurs when <see cref="EvaluateCompilation"/> is requested.
/// </summary>
/// <param name="project"></param>
/// <param name="diagnosticFilter"></param>
protected virtual void OnEvaluateCompilation(Project project, ICompilationDiagnosticFilter diagnosticFilter)
{
var e = new CompilationDiagnosticEventArgs(project, diagnosticFilter);
EvaluateCompilation?.Invoke(this, e);
}