private static Task <Document> AddCallToConfigureAwaitRefactorAsync(
Document document,
AwaitExpressionSyntax awaitExpression,
CancellationToken cancellationToken)
{
ExpressionSyntax expression = awaitExpression.Expression;
SyntaxTriviaList leading = default;
switch (expression.Kind())
{
case SyntaxKind.SimpleMemberAccessExpression:
{
var memberAccess = (MemberAccessExpressionSyntax)expression;
leading = memberAccess.OperatorToken.LeadingTrivia;
break;
}
case SyntaxKind.InvocationExpression:
{
var invocation = (InvocationExpressionSyntax)expression;
SimpleMemberInvocationExpressionInfo invocationInfo = SyntaxInfo.SimpleMemberInvocationExpressionInfo(invocation);
leading = invocationInfo.OperatorToken.LeadingTrivia;
break;
}
}
SyntaxTrivia last = leading.LastOrDefault();
last = (last.IsWhitespaceTrivia()) ? last : default;
ParenthesizedExpressionSyntax expression2 = expression.WithoutTrailingTrivia().Parenthesize();
if (last.IsWhitespaceTrivia())
{
expression2 = expression2.WithTrailingTrivia(SyntaxTriviaAnalysis.DetermineEndOfLine(awaitExpression));
}
InvocationExpressionSyntax newInvocationExpression = InvocationExpression(
SimpleMemberAccessExpression(
expression2,
Token(SyntaxKind.DotToken).WithLeadingTrivia(last),
IdentifierName("ConfigureAwait")),
ArgumentList(
Token(SyntaxKind.OpenParenToken),
SingletonSeparatedList(Argument(FalseLiteralExpression())),
Token(default, SyntaxKind.CloseParenToken, expression.GetTrailingTrivia())));
private static ConditionalExpressionSyntax CreateSinglelineConditionalExpression(ConditionalExpressionSyntax conditionalExpression)
{
ParenthesizedExpressionSyntax condition = null;
if (conditionalExpression.Condition.IsKind(SyntaxKind.ParenthesizedExpression))
{
condition = (ParenthesizedExpressionSyntax)conditionalExpression.Condition;
}
else
{
condition = ParenthesizedExpression(conditionalExpression.Condition.WithoutTrailingTrivia())
.WithCloseParenToken(CreateTokenWithTrailingNewLine(SyntaxKind.CloseParenToken));
}
return(ConditionalExpression(
condition.WithTrailingTrivia(Space),
conditionalExpression.WhenTrue.WithTrailingTrivia(Space),
conditionalExpression.WhenFalse.WithoutTrailingTrivia())
.WithQuestionToken(Token(SyntaxKind.QuestionToken).WithTrailingSpace())
.WithColonToken(Token(SyntaxKind.ColonToken).WithTrailingSpace()));
}