private bool AnalyzeMemberWithinContext(ITypeSymbol type, ISymbol?symbol, SyntaxNodeAnalysisContext context, Location?focusDiagnosticOn = null)
{
if (type is null)
{
throw new ArgumentNullException(nameof(type));
}
bool requiresUIThread = (type.TypeKind == TypeKind.Interface || type.TypeKind == TypeKind.Class || type.TypeKind == TypeKind.Struct) &&
this.MembersRequiringMainThread.Contains(type, symbol);
if (requiresUIThread)
{
ThreadingContext threadingContext = ThreadingContext.Unknown;
SyntaxNode? methodDeclaration = context.Node.FirstAncestorOrSelf <SyntaxNode>(n => CSharpCommonInterest.MethodSyntaxKinds.Contains(n.Kind()));
if (methodDeclaration is object)
{
threadingContext = this.methodDeclarationNodes.GetValueOrDefault(methodDeclaration);
}
if (threadingContext != ThreadingContext.MainThread)
{
CSharpUtils.ContainingFunctionData function = CSharpUtils.GetContainingFunction((CSharpSyntaxNode)context.Node);
Location location = focusDiagnosticOn ?? context.Node.GetLocation();
DiagnosticDescriptor?descriptor = function.IsAsync ? DescriptorAsync : DescriptorSync;
var formattingArgs = function.IsAsync ? new object[] { type.Name } : new object[] { type.Name, this.MainThreadAssertingMethods.FirstOrDefault() };
context.ReportDiagnostic(Diagnostic.Create(descriptor, location, this.DiagnosticProperties, formattingArgs));
return(true);
}
}
return(false);
}
public bool ExecuteCommand(SurroundWithCommandArgs args, CommandExecutionContext context)
{
ThreadingContext.ThrowIfNotOnUIThread();
if (!AreSnippetsEnabled(args))
{
return(false);
}
return(TryInvokeInsertionUI(args.TextView, args.SubjectBuffer, surroundWith: true));
}
public TestExportJoinableTaskContext()
{
var synchronizationContext = SynchronizationContext.Current;
try
{
SynchronizationContext.SetSynchronizationContext(GetEffectiveSynchronizationContext());
(JoinableTaskContext, SynchronizationContext) = ThreadingContext.CreateJoinableTaskContext();
ResetThreadAffinity(JoinableTaskContext.Factory);
}
finally
{
SynchronizationContext.SetSynchronizationContext(synchronizationContext);
}
}
public CommandState GetCommandState(SurroundWithCommandArgs args)
{
ThreadingContext.ThrowIfNotOnUIThread();
if (!AreSnippetsEnabled(args))
{
return(CommandState.Unspecified);
}
if (!CodeAnalysis.Workspace.TryGetWorkspace(args.SubjectBuffer.AsTextContainer(), out var workspace))
{
return(CommandState.Unspecified);
}
if (!workspace.CanApplyChange(ApplyChangesKind.ChangeDocument))
{
return(CommandState.Unspecified);
}
return(CommandState.Available);
}
