private Diagnostic HandleMethod(MethodDeclarationSyntax methodDeclaration)
{
if (methodDeclaration.ExpressionBody != null)
{
return null;
}
if (methodDeclaration.DescendantNodesAndTokensAndSelf().Any(x => x.GetLeadingTrivia().Concat(x.GetTrailingTrivia()).Any(y => !y.IsWhitespaceTrivia())))
{
return null;
}
if (methodDeclaration.Body?.Statements.Count != 1)
{
return null;
}
var statement = methodDeclaration.Body.Statements.FirstOrDefault();
var returnStatement = statement?.DescendantNodesAndSelf().OfType<ReturnStatementSyntax>().FirstOrDefault();
if (returnStatement == null)
{
return null;
}
return Diagnostic.Create(Rule, returnStatement.GetLocation(), "Method", methodDeclaration.Identifier.ValueText);
}