public static Task <Document> RefactorAsync(
Document document,
ForStatementSyntax forStatement,
CancellationToken cancellationToken)
{
ForStatementSyntax newForStatement = forStatement;
if (forStatement
.DescendantTrivia(TextSpan.FromBounds(forStatement.FirstSemicolonToken.Span.End, forStatement.SecondSemicolonToken.Span.Start))
.All(f => f.IsWhitespaceOrEndOfLineTrivia()))
{
newForStatement = forStatement.Update(
forStatement.ForKeyword,
forStatement.OpenParenToken,
forStatement.Declaration,
forStatement.Initializers,
forStatement.FirstSemicolonToken.WithTrailingTrivia(SyntaxFactory.Space),
default(ExpressionSyntax),
forStatement.SecondSemicolonToken.WithoutLeadingTrivia(),
forStatement.Incrementors,
forStatement.CloseParenToken,
forStatement.Statement);
}
else
{
newForStatement = forStatement.RemoveNode(forStatement.Condition, SyntaxRemoveOptions.KeepExteriorTrivia);
}
return(document.ReplaceNodeAsync(forStatement, newForStatement, cancellationToken));
}
