Exemplo n.º 1
0
            static void CaptureOrReportComputeHashInvocationOperation(OperationAnalysisContext context, MethodHelper methodHelper, DataCollector dataCollector, IInvocationOperation computeHashInvocation, ComputeType computeType)
            {
                switch (computeHashInvocation.Instance)
                {
                case ILocalReferenceOperation:
                    dataCollector.CollectComputeHashInvocation(computeHashInvocation, computeType);
                    break;

                case IInvocationOperation chainedInvocationOperation when methodHelper.IsHashCreateMethod(chainedInvocationOperation):
                    ReportChainedComputeHashInvocationOperation(chainedInvocationOperation.TargetMethod.ContainingType);

                    break;

                case IObjectCreationOperation chainObjectCreationOperation when methodHelper.IsObjectCreationInheritingHashAlgorithm(chainObjectCreationOperation):
                    ReportChainedComputeHashInvocationOperation(chainObjectCreationOperation.Type);

                    break;
                }

                void ReportChainedComputeHashInvocationOperation(ITypeSymbol originalHashType)
                {
                    if (!methodHelper.TryGetHashDataMethod(originalHashType, computeType, out var staticHashMethod))
                    {
                        return;
                    }

                    var diagnostics = CreateDiagnostics(computeHashInvocation, staticHashMethod.ContainingType, computeType);

                    context.ReportDiagnostic(diagnostics);
                }
            }