private static (ImmutableArray <DiagnosticAnalyzer> analyzers, ImmutableArray <CodeFixProvider> fixers) GetAnalyzersAndFixers(
Project project,
AnalyzerAssemblyList analyzerAssemblies,
AnalyzerAssemblyList analyzerReferences,
CodeAnalysisOptions options,
bool loadFixers = true)
{
string language = project.Language;
ImmutableArray <Assembly> assemblies = ImmutableArray <Assembly> .Empty;
if (!options.IgnoreAnalyzerReferences)
{
assemblies = project.AnalyzerReferences
.Distinct()
.OfType <AnalyzerFileReference>()
.Select(f => f.GetAssembly())
.Where(f => !analyzerAssemblies.ContainsAssembly(f.FullName))
.ToImmutableArray();
}
ImmutableArray <DiagnosticAnalyzer> analyzers = analyzerAssemblies
.GetAnalyzers(language)
.Concat(analyzerReferences.GetOrAddAnalyzers(assemblies, language))
.Where(analyzer =>
{
ImmutableArray <DiagnosticDescriptor> supportedDiagnostics = analyzer.SupportedDiagnostics;
if (options.SupportedDiagnosticIds.Count > 0)
{
bool success = false;
foreach (DiagnosticDescriptor supportedDiagnostic in supportedDiagnostics)
{
if (options.SupportedDiagnosticIds.Contains(supportedDiagnostic.Id))
{
success = true;
break;
}
}
if (!success)
{
return(false);
}
}
else if (options.IgnoredDiagnosticIds.Count > 0)
{
bool success = false;
foreach (DiagnosticDescriptor supportedDiagnostic in supportedDiagnostics)
{
if (!options.IgnoredDiagnosticIds.Contains(supportedDiagnostic.Id))
{
success = true;
break;
}
}
if (!success)
{
return(false);
}
}
foreach (DiagnosticDescriptor supportedDiagnostic in supportedDiagnostics)
{
ReportDiagnostic reportDiagnostic = supportedDiagnostic.GetEffectiveSeverity(project.CompilationOptions);
if (reportDiagnostic != ReportDiagnostic.Suppress &&
reportDiagnostic.ToDiagnosticSeverity() >= options.SeverityLevel)
{
return(true);
}
}
return(false);
})
.ToImmutableArray();
ImmutableArray <CodeFixProvider> fixers = ImmutableArray <CodeFixProvider> .Empty;
if (analyzers.Any() &&
loadFixers)
{
fixers = analyzerAssemblies
.GetFixers(language)
.Concat(analyzerReferences.GetOrAddFixers(assemblies, language))
.ToImmutableArray();
}
return(analyzers, fixers);
}
private static (ImmutableArray <DiagnosticAnalyzer> analyzers, ImmutableArray <CodeFixProvider> fixers) GetAnalyzersAndFixers(
Project project,
AnalyzerAssemblyList analyzerAssemblies,
AnalyzerAssemblyList analyzerReferences,
CodeAnalysisOptions options,
bool loadFixers = true)
{
string language = project.Language;
ImmutableArray <Assembly> assemblies = ImmutableArray <Assembly> .Empty;
if (!options.IgnoreAnalyzerReferences)
{
assemblies = project.AnalyzerReferences
.Distinct()
.OfType <AnalyzerFileReference>()
.Select(f => f.GetAssembly())
.Where(f => !analyzerAssemblies.ContainsAssembly(f.FullName))
.ToImmutableArray();
}
ImmutableArray <DiagnosticAnalyzer> analyzers = analyzerAssemblies
.GetAnalyzers(language)
.Concat(analyzerReferences.GetOrAddAnalyzers(assemblies, language))
.Where(analyzer =>
{
ImmutableArray <DiagnosticDescriptor> supportedDiagnostics = analyzer.SupportedDiagnostics;
if (options.SupportedDiagnosticIds.Count > 0)
{
var success = false;
foreach (DiagnosticDescriptor supportedDiagnostic in supportedDiagnostics)
{
if (options.SupportedDiagnosticIds.Contains(supportedDiagnostic.Id))
{
success = true;
break;
}
}
if (!success)
{
return(false);
}
}
else if (options.IgnoredDiagnosticIds.Count > 0)
{
var success = false;
foreach (DiagnosticDescriptor supportedDiagnostic in supportedDiagnostics)
{
if (!options.IgnoredDiagnosticIds.Contains(supportedDiagnostic.Id))
{
success = true;
break;
}
}
if (!success)
{
return(false);
}
}
return(true);
})
.ToImmutableArray();
ImmutableArray <CodeFixProvider> fixers = ImmutableArray <CodeFixProvider> .Empty;
if (loadFixers)
{
fixers = analyzerAssemblies
.GetFixers(language)
.Concat(analyzerReferences.GetOrAddFixers(assemblies, language))
.Where(fixProvider =>
{
ImmutableArray <string> fixableDiagnosticIds = fixProvider.FixableDiagnosticIds;
if (options.SupportedDiagnosticIds.Count > 0)
{
var success = false;
foreach (string fixableDiagnosticId in fixableDiagnosticIds)
{
if (options.SupportedDiagnosticIds.Contains(fixableDiagnosticId))
{
success = true;
break;
}
}
if (!success)
{
return(false);
}
}
else if (options.IgnoredDiagnosticIds.Count > 0)
{
var success = false;
foreach (string fixableDiagnosticId in fixableDiagnosticIds)
{
if (!options.IgnoredDiagnosticIds.Contains(fixableDiagnosticId))
{
success = true;
break;
}
}
if (!success)
{
return(false);
}
}
return(true);
})
.ToImmutableArray();
}
return(analyzers, fixers);
}