private static void AnalyzeConditionalExpression(SyntaxNodeAnalysisContext context)
{
var conditionalExpression = (ConditionalExpressionSyntax)context.Node;
if (conditionalExpression.ContainsDiagnostics)
{
return;
}
ExpressionSyntax condition = conditionalExpression.Condition;
if (condition == null)
{
return;
}
ConditionalExpressionParenthesesStyle style = context.GetConditionalExpressionParenthesesStyle();
if (style == ConditionalExpressionParenthesesStyle.None)
{
return;
}
SyntaxKind kind = condition.Kind();
if (kind == SyntaxKind.ParenthesizedExpression)
{
var parenthesizedExpression = (ParenthesizedExpressionSyntax)condition;
ExpressionSyntax expression = parenthesizedExpression.Expression;
if (!expression.IsMissing)
{
if (style == ConditionalExpressionParenthesesStyle.Omit ||
(style == ConditionalExpressionParenthesesStyle.OmitWhenConditionIsSingleToken &&
CSharpFacts.IsSingleTokenExpression(expression.Kind())))
{
DiagnosticHelpers.ReportDiagnostic(context, DiagnosticRules.AddOrRemoveParenthesesFromConditionInConditionalOperator, condition, "Remove", "from");
}
}
}
else if (style == ConditionalExpressionParenthesesStyle.Include ||
(style == ConditionalExpressionParenthesesStyle.OmitWhenConditionIsSingleToken &&
!CSharpFacts.IsSingleTokenExpression(kind)))
{
DiagnosticHelpers.ReportDiagnostic(context, DiagnosticRules.AddOrRemoveParenthesesFromConditionInConditionalOperator, condition, "Add", "to");
}
}
