private void RegisterAnalysis(CompilationStartAnalysisContext context)
{
var attributeType = context.Compilation.GetTypeByMetadataName("D2L.LP.Web.Rest.Attributes.JsonParamBinder");
if (attributeType == null)
{
// Attribute is presumably not being used, so no need to register our analyzer
return;
}
AllowedTypeList allowedTypeList = AllowedTypeList.CreateFromAnalyzerOptions(
allowedListFileName: "LegacyJsonParamBinderAllowedList.txt",
analyzerOptions: context.Options
);
context.RegisterSyntaxNodeAction(
ctx => AnalyzeAttribute(ctx, attributeType, allowedTypeList),
SyntaxKind.Attribute
);
context.RegisterSymbolAction(
ctx => PreventUnnecessaryAllowedListing(
ctx,
attributeType,
allowedTypeList
),
SymbolKind.NamedType
);
}
public void RegisterServiceLocatorAnalyzer(CompilationStartAnalysisContext context)
{
// Cache some important type lookups
var locatorType = context.Compilation.GetTypeByMetadataName("D2L.LP.Extensibility.Activation.Domain.OldAndBrokenServiceLocator");
var factoryType = context.Compilation.GetTypeByMetadataName("D2L.LP.Extensibility.Activation.Domain.OldAndBrokenServiceLocatorFactory");
var activatorType = context.Compilation.GetTypeByMetadataName("D2L.LP.Extensibility.Activation.Domain.IObjectActivator");
var customActivatorType = context.Compilation.GetTypeByMetadataName("D2L.LP.Extensibility.Activation.Domain.ICustomObjectActivator");
var staticDILocatorType = context.Compilation.GetTypeByMetadataName("D2L.LP.Extensibility.Activation.Domain.Default.StaticDI.Current");
// If those type lookups failed then OldAndBrokenServiceLocator
// cannot resolve and we don't need to register our analyzer.
if (locatorType == null || locatorType.Kind == SymbolKind.ErrorType)
{
return;
}
if (factoryType == null || factoryType.Kind == SymbolKind.ErrorType)
{
return;
}
ImmutableArray <INamedTypeSymbol> disallowedTypes = ImmutableArray.Create(
locatorType,
factoryType,
activatorType,
customActivatorType,
staticDILocatorType
);
AllowedTypeList allowedTypeList = AllowedTypeList.CreateFromAnalyzerOptions(
allowedListFileName: "OldAndBrokenServiceLocatorAllowedList.txt",
analyzerOptions: context.Options
);
//Prevent static usage of OldAndBrokenServiceLocator
//For example, OldAndBrokenServiceLocator.Instance.Get<IFoo>()
context.RegisterSyntaxNodeAction(
ctx => PreventOldAndBrokenUsage(
ctx,
disallowedTypes,
allowedTypeList
),
SyntaxKind.IdentifierName
);
context.RegisterSymbolAction(
ctx => PreventUnnecessaryAllowedListing(
ctx,
disallowedTypes,
allowedTypeList
),
SymbolKind.NamedType
);
}