private static void CheckIf(SyntaxNodeAnalysisContext context)
{
IfStatementSyntax ifStatement = (IfStatementSyntax)context.Node;
// Special case for "else if" on the same line.
// In that case, we'll check that the statement is more indented then the "else", not the "if".
// Highlighting: "if (...)", or "else if (...)" as appropriate
SyntaxNode controlNode;
SyntaxToken startToken;
string conditionLabelText;
if (ifStatement.Parent is ElseClauseSyntax elseClause &&
ifStatement.GetLineNumberToReport() == elseClause.GetLineNumberToReport())
{
controlNode = elseClause;
startToken = elseClause.ElseKeyword;
conditionLabelText = "else if";
}