public void AnalyzeMethodCall(OperationAnalysisContext context)
{
IInvocationOperation invocation = (IInvocationOperation)context.Operation;
if (_marshalMethods.Contains(invocation.TargetMethod.ConstructedFrom))
{
bool canTransformToDisabledMarshallingEquivalent = CanTransformToDisabledMarshallingEquivalent(invocation);
context.ReportDiagnostic(invocation.CreateDiagnostic(
MethodUsesRuntimeMarshallingEvenWhenMarshallingDisabled,
ImmutableDictionary.Create <string, string?>().Add(CanConvertToDisabledMarshallingEquivalentKey, canTransformToDisabledMarshallingEquivalent ? "true" : null),
invocation.TargetMethod.ToDisplayString()));
}
public sealed override void Initialize(AnalysisContext context)
{
ImmutableHashSet <string> cachedDeserializationMethodNames = this.DeserializationMethodNames;
Debug.Assert(!cachedDeserializationMethodNames.IsEmpty);
context.EnableConcurrentExecution();
// Security analyzer - analyze and report diagnostics on generated code.
context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.Analyze | GeneratedCodeAnalysisFlags.ReportDiagnostics);
context.RegisterCompilationStartAction(
(CompilationStartAnalysisContext compilationStartAnalysisContext) =>
{
WellKnownTypeProvider wellKnownTypeProvider = WellKnownTypeProvider.GetOrCreate(
compilationStartAnalysisContext.Compilation);
INamedTypeSymbol?deserializerTypeSymbol =
wellKnownTypeProvider.GetOrCreateTypeByMetadataName(this.DeserializerTypeMetadataName);
if (deserializerTypeSymbol == null)
{
return;
}
compilationStartAnalysisContext.RegisterOperationAction(
(OperationAnalysisContext operationAnalysisContext) =>
{
IInvocationOperation invocationOperation =
(IInvocationOperation)operationAnalysisContext.Operation;
if (invocationOperation.Instance?.Type?.DerivesFrom(deserializerTypeSymbol) == true &&
cachedDeserializationMethodNames.Contains(invocationOperation.TargetMethod.MetadataName))
{
DiagnosticDescriptor?chosenDiagnostic =
this.ChooseDiagnosticDescriptor(operationAnalysisContext, wellKnownTypeProvider);
if (chosenDiagnostic != null)
{
operationAnalysisContext.ReportDiagnostic(
invocationOperation.CreateDiagnostic(
chosenDiagnostic,
invocationOperation.TargetMethod.ToDisplayString(
SymbolDisplayFormat.MinimallyQualifiedFormat)));
}
}
},
OperationKind.Invocation);
compilationStartAnalysisContext.RegisterOperationAction(
(OperationAnalysisContext operationAnalysisContext) =>
{
IMethodReferenceOperation methodReferenceOperation =
(IMethodReferenceOperation)operationAnalysisContext.Operation;
if (methodReferenceOperation.Instance?.Type?.DerivesFrom(deserializerTypeSymbol) == true &&
cachedDeserializationMethodNames.Contains(methodReferenceOperation.Method.MetadataName))
{
DiagnosticDescriptor?chosenDiagnostic =
this.ChooseDiagnosticDescriptor(operationAnalysisContext, wellKnownTypeProvider);
if (chosenDiagnostic != null)
{
operationAnalysisContext.ReportDiagnostic(
methodReferenceOperation.CreateDiagnostic(
chosenDiagnostic,
methodReferenceOperation.Method.ToDisplayString(
SymbolDisplayFormat.MinimallyQualifiedFormat)));
}
}
},
OperationKind.MethodReference);
});
}