private static async Task ComputeRefactoringsAsync(RefactoringContext context, ExpressionSyntax expression)
{
if (!context.Span.IsEmptyAndContainedInSpan(expression))
{
return;
}
expression = CSharpUtility.GetTopmostExpressionInCallChain(expression);
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
if (!IsFormattable(expression, semanticModel, context.CancellationToken))
{
return;
}
if (expression.IsSingleLine(includeExteriorTrivia: false))
{
context.RegisterRefactoring(
"Format expression chain on multiple lines",
ct => SyntaxFormatter.ToMultiLineAsync(context.Document, expression, semanticModel, ct),
RefactoringIdentifiers.FormatExpressionChain);
}
else if (expression.DescendantTrivia(expression.Span).All(f => f.IsWhitespaceOrEndOfLineTrivia()))
{
context.RegisterRefactoring(
"Format expression chain on a single line",
ct => SyntaxFormatter.ToSingleLineAsync(context.Document, expression, ct),
RefactoringIdentifiers.FormatExpressionChain);
}
}
private static ExpressionSyntax ProcessExpression(ExpressionSyntax expression)
{
if (expression
.DescendantTrivia(expression.Span)
.All(f => f.IsWhitespaceOrEndOfLineTrivia()))
{
expression = SyntaxRemover.RemoveWhitespaceOrEndOfLine(expression)
.WithFormatterAnnotation();
}
return(expression);
}
private static ExpressionSyntax ProcessExpression(ExpressionSyntax expression)
{
if (expression
.DescendantTrivia(expression.Span)
.All(f => f.IsWhitespaceOrEndOfLine()))
{
expression = WhitespaceOrEndOfLineRemover.RemoveFrom(expression)
.WithAdditionalAnnotations(Formatter.Annotation);
}
return(expression);
}
private static async Task ComputeRefactoringsAsync(RefactoringContext context, ExpressionSyntax expression)
{
if (!context.Span.IsEmptyAndContainedInSpan(expression))
{
return;
}
while (true)
{
SyntaxNode parent = expression.Parent;
if (parent.IsKind(
SyntaxKind.ConditionalAccessExpression,
SyntaxKind.SimpleMemberAccessExpression,
SyntaxKind.ElementAccessExpression,
SyntaxKind.MemberBindingExpression,
SyntaxKind.InvocationExpression))
{
expression = (ExpressionSyntax)parent;
}
else
{
break;
}
}
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
if (!IsFormattable(expression, semanticModel, context.CancellationToken))
{
return;
}
if (expression.IsSingleLine(includeExteriorTrivia: false))
{
context.RegisterRefactoring(
"Format expression chain on multiple lines",
ct => SyntaxFormatter.ToMultiLineAsync(context.Document, expression, semanticModel, ct),
RefactoringIdentifiers.FormatExpressionChain);
}
else if (expression.DescendantTrivia(expression.Span).All(f => f.IsWhitespaceOrEndOfLineTrivia()))
{
context.RegisterRefactoring(
"Format expression chain on a single line",
ct => SyntaxFormatter.ToSingleLineAsync(context.Document, expression, ct),
RefactoringIdentifiers.FormatExpressionChain);
}
}