public override void Initialize(AnalysisContext analysisContext)
{
analysisContext.EnableConcurrentExecution();
analysisContext.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None);
analysisContext.RegisterCompilationStartAction(
(context) =>
{
INamedTypeSymbol iCollectionType = WellKnownTypes.ICollection(context.Compilation);
INamedTypeSymbol genericICollectionType = WellKnownTypes.GenericICollection(context.Compilation);
INamedTypeSymbol iEnumerableType = WellKnownTypes.IEnumerable(context.Compilation);
INamedTypeSymbol genericIEnumerableType = WellKnownTypes.GenericIEnumerable(context.Compilation);
INamedTypeSymbol iListType = WellKnownTypes.IList(context.Compilation);
INamedTypeSymbol genericIListType = WellKnownTypes.GenericIList(context.Compilation);
if (iCollectionType == null && genericICollectionType == null &&
iEnumerableType == null && genericIEnumerableType == null &&
iListType == null && genericIListType == null)
{
return;
}
context.RegisterSymbolAction(c => AnalyzeSymbol(c,
iCollectionType, genericICollectionType,
iEnumerableType, genericIEnumerableType,
iListType, genericIListType),
SymbolKind.NamedType);
});
}
public override void Initialize(AnalysisContext analysisContext)
{
analysisContext.EnableConcurrentExecution();
analysisContext.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None);
analysisContext.RegisterCompilationStartAction(
(context) =>
{
INamedTypeSymbol specializedCollectionsSymbol = context.Compilation.GetTypeByMetadataName(SpecializedCollectionsMetadataName);
if (specializedCollectionsSymbol == null)
{
// TODO: In the future, we may want to run this analyzer even if the SpecializedCollections
// type cannot be found in this compilation. In some cases, we may want to add a reference
// to SpecializedCollections as a linked file or an assembly that contains it. With this
// check, we will not warn where SpecializedCollections is not yet referenced.
return;
}
INamedTypeSymbol genericEnumerableSymbol = WellKnownTypes.GenericIEnumerable(context.Compilation);
if (genericEnumerableSymbol == null)
{
return;
}
INamedTypeSymbol linqEnumerableSymbol = context.Compilation.GetTypeByMetadataName(LinqEnumerableMetadataName);
if (linqEnumerableSymbol == null)
{
return;
}
if (!(linqEnumerableSymbol.GetMembers(EmptyMethodName).FirstOrDefault() is IMethodSymbol genericEmptyEnumerableSymbol) ||
genericEmptyEnumerableSymbol.Arity != 1 ||
genericEmptyEnumerableSymbol.Parameters.Length != 0)
{
return;
}
GetCodeBlockStartedAnalyzer(context, genericEnumerableSymbol, genericEmptyEnumerableSymbol);
});
}
