/// <summary>
/// If the given node is within a preprocessing directive, gets the preprocessing symbol info for it.
/// </summary>
/// <param name="node">Preprocessing symbol identifier node.</param>
public PreprocessingSymbolInfo GetPreprocessingSymbolInfo(IdentifierNameSyntax node)
{
CheckSyntaxNode(node);
if (node.Ancestors().Any(n => SyntaxFacts.IsPreprocessorDirective(n.Kind())))
{
bool isDefined = this.SyntaxTree.IsPreprocessorSymbolDefined(node.Identifier.ValueText, node.Identifier.SpanStart);
return new PreprocessingSymbolInfo(new PreprocessingSymbol(node.Identifier.ValueText), isDefined);
}
return PreprocessingSymbolInfo.None;
}
public override void VisitIdentifierName(IdentifierNameSyntax node)
{
base.VisitIdentifierName(node);
var ancestors = node.Ancestors();
if (ancestors.Any(n => (n is MemberAccessExpressionSyntax) || (n is InvocationExpressionSyntax)))
return;
Check(node, true);
}
// corrects the register statement to be RegisterSyntaxNodeAction
private async Task<Document> CorrectRegisterAsync(Document document, IdentifierNameSyntax declaration, CancellationToken c)
{
SyntaxGenerator generator = SyntaxGenerator.GetGenerator(document);
var memberExpression = declaration.Parent as MemberAccessExpressionSyntax;
var invocationExpression = memberExpression.Parent as InvocationExpressionSyntax;
string methodName = CodeFixHelper.GetRegisterMethodName(invocationExpression);
if (methodName == null)
{
methodName = "AnalyzeIfStatement";
}
SyntaxNode newExpression = CodeFixHelper.CreateRegister(generator, declaration.Ancestors().OfType<MethodDeclarationSyntax>().First(), methodName);
return await ReplaceNode(declaration.FirstAncestorOrSelf<ExpressionStatementSyntax>(), newExpression.WithLeadingTrivia(SyntaxFactory.TriviaList(SyntaxFactory.CarriageReturnLineFeed, SyntaxFactory.ParseLeadingTrivia("// Calls the method (first argument) to perform analysis whenever a SyntaxNode of kind IfStatement is found").ElementAt(0), SyntaxFactory.EndOfLine("\r\n"))), document);
}
