static void addOptions(
AnalyzerConfig.Section section,
TreeOptions.Builder treeBuilder,
AnalyzerOptions.Builder analyzerBuilder,
ArrayBuilder <Diagnostic> diagnosticBuilder,
string analyzerConfigPath,
ConcurrentDictionary <ReadOnlyMemory <char>, string> diagIdCache)
{
const string DiagnosticOptionPrefix = "dotnet_diagnostic.";
const string DiagnosticOptionSuffix = ".severity";
foreach (var(key, value) in section.Properties)
{
// Keys are lowercased in editorconfig parsing
int diagIdLength = -1;
if (key.StartsWith(DiagnosticOptionPrefix, StringComparison.Ordinal) &&
key.EndsWith(DiagnosticOptionSuffix, StringComparison.Ordinal))
{
diagIdLength = key.Length - (DiagnosticOptionPrefix.Length + DiagnosticOptionSuffix.Length);
}
if (diagIdLength >= 0)
{
ReadOnlyMemory <char> idSlice = key.AsMemory().Slice(DiagnosticOptionPrefix.Length, diagIdLength);
// PERF: this is similar to a double-checked locking pattern, and trying to fetch the ID first
// lets us avoid an allocation if the id has already been added
if (!diagIdCache.TryGetValue(idSlice, out var diagId))
{
// We use ReadOnlyMemory<char> to allow allocation-free lookups in the
// dictionary, but the actual keys stored in the dictionary are trimmed
// to avoid holding GC references to larger strings than necessary. The
// GetOrAdd APIs do not allow the key to be manipulated between lookup
// and insertion, so we separate the operations here in code.
diagId = idSlice.ToString();
diagId = diagIdCache.GetOrAdd(diagId.AsMemory(), diagId);
}
if (TryParseSeverity(value, out ReportDiagnostic severity))
{
treeBuilder[diagId] = severity;
}
else
{
diagnosticBuilder.Add(Diagnostic.Create(
InvalidAnalyzerConfigSeverityDescriptor,
Location.None,
diagId,
value,
analyzerConfigPath));
}
}
else
{
analyzerBuilder[key] = value;
}
}
}
static void addOptions(
AnalyzerConfig.Section section,
TreeOptions.Builder treeBuilder,
AnalyzerOptions.Builder analyzerBuilder,
ArrayBuilder <Diagnostic> diagnosticBuilder,
string analyzerConfigPath)
{
const string DiagnosticOptionPrefix = "dotnet_diagnostic.";
const string DiagnosticOptionSuffix = ".severity";
foreach (var(key, value) in section.Properties)
{
// Keys are lowercased in editorconfig parsing
int diagIdLength = -1;
if (key.StartsWith(DiagnosticOptionPrefix, StringComparison.Ordinal) &&
key.EndsWith(DiagnosticOptionSuffix, StringComparison.Ordinal))
{
diagIdLength = key.Length - (DiagnosticOptionPrefix.Length + DiagnosticOptionSuffix.Length);
}
if (diagIdLength >= 0)
{
var diagId = key.Substring(
DiagnosticOptionPrefix.Length,
diagIdLength);
ReportDiagnostic?severity;
var comparer = StringComparer.OrdinalIgnoreCase;
if (comparer.Equals(value, "default"))
{
severity = ReportDiagnostic.Default;
}
else if (comparer.Equals(value, "error"))
{
severity = ReportDiagnostic.Error;
}
else if (comparer.Equals(value, "warning"))
{
severity = ReportDiagnostic.Warn;
}
else if (comparer.Equals(value, "suggestion"))
{
severity = ReportDiagnostic.Info;
}
else if (comparer.Equals(value, "silent") || comparer.Equals(value, "refactoring"))
{
severity = ReportDiagnostic.Hidden;
}
else if (comparer.Equals(value, "none"))
{
severity = ReportDiagnostic.Suppress;
}
else
{
severity = null;
diagnosticBuilder.Add(Diagnostic.Create(
InvalidAnalyzerConfigSeverityDescriptor,
Location.None,
diagId,
value,
analyzerConfigPath));
}
if (severity.HasValue)
{
treeBuilder[diagId] = severity.GetValueOrDefault();
}
}
else
{
analyzerBuilder[key] = value;
}
}
}