public abstract Compilation CreateCompilation(TextWriter consoleOutput, ErrorLogger errorLoggerOpt);
private int RunCore(TextWriter consoleOutput, ErrorLogger errorLogger, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
if (Arguments.DisplayVersion)
{
PrintVersion(consoleOutput);
return(Succeeded);
}
if (Arguments.DisplayLangVersions)
{
PrintLangVersions(consoleOutput);
return(Succeeded);
}
if (Arguments.DisplayLogo)
{
PrintLogo(consoleOutput);
}
if (Arguments.DisplayHelp)
{
PrintHelp(consoleOutput);
return(Succeeded);
}
if (ReportErrors(Arguments.Errors, consoleOutput, errorLogger))
{
return(Failed);
}
Compilation compilation = CreateCompilation(consoleOutput, errorLogger);
if (compilation == null)
{
return(Failed);
}
var diagnosticInfos = new List <DiagnosticInfo>();
var additionalTextFiles = ResolveAdditionalFilesFromArguments(diagnosticInfos, MessageProvider);
if (ReportErrors(diagnosticInfos, consoleOutput, errorLogger))
{
return(Failed);
}
var diagnostics = DiagnosticBag.GetInstance();
CompileAndEmit(
ref compilation,
additionalTextFiles,
diagnostics,
cancellationToken);
var exitCode = ReportErrors(diagnostics, consoleOutput, errorLogger)
? Failed
: Succeeded;
// The act of reporting errors can cause more errors to appear in
// additional files due to forcing all additional files to fetch text
foreach (var additionalFile in additionalTextFiles)
{
if (ReportErrors(additionalFile.Diagnostics, consoleOutput, errorLogger))
{
exitCode = Failed;
}
}
diagnostics.Free();
return(exitCode);
}
public bool ReportErrors(IEnumerable <DiagnosticInfo> diagnostics, TextWriter consoleOutput, ErrorLogger errorLoggerOpt) => ReportErrors(diagnostics.Select(info => Diagnostic.Create(info)), consoleOutput, errorLoggerOpt);
private bool ReportErrors(DiagnosticBag diagnostics, TextWriter consoleOutput, ErrorLogger errorLoggerOpt) => ReportErrors(diagnostics.ToReadOnly(), consoleOutput, errorLoggerOpt);
public bool ReportErrors(IEnumerable <Diagnostic> diagnostics, TextWriter consoleOutput, ErrorLogger errorLoggerOpt)
{
bool hasErrors = false;
foreach (var diag in diagnostics)
{
if (_reportedDiagnostics.Contains(diag))
{
// TODO: This invariant fails (at least) in the case where we see a member declaration "x = 1;".
// First we attempt to parse a member declaration starting at "x". When we see the "=", we
// create an IncompleteMemberSyntax with return type "x" and an error at the location of the "x".
// Then we parse a member declaration starting at "=". This is an invalid member declaration start
// so we attach an error to the "=" and attach it (plus following tokens) to the IncompleteMemberSyntax
// we previously created.
//this assert isn't valid if we change the design to not bail out after each phase.
//System.Diagnostics.Debug.Assert(diag.Severity != DiagnosticSeverity.Error);
continue;
}
else if (diag.Severity == DiagnosticSeverity.Hidden)
{
// Not reported from the command-line compiler.
continue;
}
// We want to report diagnostics with source suppression in the error log file.
// However, these diagnostics should not be reported on the console output.
errorLoggerOpt?.LogDiagnostic(diag);
if (diag.IsSuppressed)
{
continue;
}
// Diagnostics that aren't suppressed will be reported to the console output and, if they are errors,
// they should fail the run
if (diag.Severity == DiagnosticSeverity.Error)
{
hasErrors = true;
}
PrintError(diag, consoleOutput);
_reportedDiagnostics.Add(diag);
}
return(hasErrors);
}
public override Compilation CreateCompilation(TextWriter consoleOutput, ErrorLogger errorLoggerOpt)
{
throw new NotImplementedException();
}
