public override async Task <Document> RefactorAsync(Document document, CancellationToken cancellationToken = default(CancellationToken))
{
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
BinaryExpressionSyntax coalesceExpression = RefactoringHelper.CreateCoalesceExpression(
semanticModel.GetTypeSymbol(Left, cancellationToken),
Right1.WithoutTrivia(),
Right2.WithoutTrivia(),
IfStatement.SpanStart,
semanticModel);
ExpressionStatementSyntax newNode = SimpleAssignmentStatement(Left.WithoutTrivia(), coalesceExpression)
.WithTriviaFrom(IfStatement)
.WithFormatterAnnotation();
return(await document.ReplaceNodeAsync(IfStatement, newNode, cancellationToken).ConfigureAwait(false));
}
public override async Task <Document> RefactorAsync(Document document, CancellationToken cancellationToken = default(CancellationToken))
{
ExpressionSyntax left = Right1.WithoutTrivia();
ExpressionSyntax right = Right2.WithoutTrivia();
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
right = AddCastExpressionIfNecessary(right, semanticModel, IfStatement.SpanStart, cancellationToken);
BinaryExpressionSyntax coalesceExpression = CoalesceExpression(
left.Parenthesize().WithSimplifierAnnotation(),
right.Parenthesize().WithSimplifierAnnotation());
ExpressionStatementSyntax newNode = SimpleAssignmentStatement(Left.WithoutTrivia(), coalesceExpression)
.WithTriviaFrom(IfStatement)
.WithFormatterAnnotation();
return(await document.ReplaceNodeAsync(IfStatement, newNode, cancellationToken).ConfigureAwait(false));
}