public override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
Diagnostic diagnostic = context.Diagnostics[0];
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!IsEnabled(diagnostic.Id, CodeFixIdentifiers.AddExplicitCast, context.Document, root.SyntaxTree))
{
return;
}
if (!TryFindFirstAncestorOrSelf(root, context.Span, out ConditionalExpressionSyntax conditionalExpression))
{
return;
}
ExpressionSyntax whenTrue = conditionalExpression.WhenTrue;
ExpressionSyntax whenFalse = conditionalExpression.WhenFalse;
if (whenTrue?.IsMissing != false)
{
return;
}
if (whenFalse?.IsMissing != false)
{
return;
}
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
ITypeSymbol falseType = semanticModel.GetTypeSymbol(whenFalse, context.CancellationToken);
if (falseType?.IsErrorType() != false)
{
return;
}
ITypeSymbol destinationType = FindDestinationType(whenTrue, falseType.BaseType, semanticModel);
if (destinationType == null)
{
return;
}
CodeFixRegistrator.AddExplicitCast(context, diagnostic, whenTrue, destinationType, semanticModel);
}
