/// <summary>
/// Return all diagnostics that belong to given project for the given StateSets (analyzers) either from cache or by calculating them
/// </summary>
public async Task <ProjectAnalysisData> GetProjectAnalysisDataAsync(
CompilationWithAnalyzers analyzerDriverOpt, Project project, IEnumerable <StateSet> stateSets, bool forceAnalyzerRun, CancellationToken cancellationToken)
{
using (Logger.LogBlock(FunctionId.Diagnostics_ProjectDiagnostic, GetProjectLogMessage, project, stateSets, cancellationToken))
{
try
{
// PERF: we need to flip this to false when we do actual diffing.
var avoidLoadingData = true;
var version = await GetDiagnosticVersionAsync(project, cancellationToken).ConfigureAwait(false);
var existingData = await ProjectAnalysisData.CreateAsync(project, stateSets, avoidLoadingData, cancellationToken).ConfigureAwait(false);
// we can't return here if we have open file only analyzers sine saved data for open file only analyzer
// is wrong. (since it only contains info on open files rather than whole project)
if (existingData.Version == version && !analyzerDriverOpt.ContainsOpenFileOnlyAnalyzers(project.Solution.Workspace))
{
return(existingData);
}
// perf optimization. check whether we want to analyze this project or not.
if (!FullAnalysisEnabled(project, forceAnalyzerRun))
{
Logger.Log(FunctionId.Diagnostics_ProjectDiagnostic, p => $"FSA off ({p.FilePath ?? p.Name})", project);
return(new ProjectAnalysisData(project.Id, VersionStamp.Default, existingData.Result, ImmutableDictionary <DiagnosticAnalyzer, DiagnosticAnalysisResult> .Empty));
}
var result = await ComputeDiagnosticsAsync(analyzerDriverOpt, project, stateSets, forceAnalyzerRun, existingData.Result, cancellationToken).ConfigureAwait(false);
// if project is not loaded successfully, get rid of any semantic errors from compiler analyzer
// * NOTE * previously when project is not loaded successfully, we actually dropped doing anything on the project, but now
// we do everything but filter out some information. so on such projects, there will be some perf degradation.
result = await FilterOutCompilerSemanticErrorsIfNeccessaryAsync(project, result, cancellationToken).ConfigureAwait(false);
return(new ProjectAnalysisData(project.Id, version, existingData.Result, result));
}
catch (Exception e) when(FatalError.ReportUnlessCanceled(e))
{
throw ExceptionUtilities.Unreachable;
}
}
}