private static SyntaxNode GetParentNode(StatementSyntax statement)
{
return(statement
.AncestorsAndSelf()
.OfType <StatementSyntax>()
.LastOrDefault());
}
public static async Task <Solution> Replace(CodeRefactoringContext context, LocalDeclarationStatementSyntax localDeclarationStatement, StatementSyntax oldStatement)
{
var root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
var localStatementWithTrivia = localDeclarationStatement
.WithLeadingTrivia(oldStatement.GetLeadingTrivia())
.WithTrailingTrivia(oldStatement.GetTrailingTrivia());
var block = oldStatement.AncestorsAndSelf().OfType <BlockSyntax>().First();
var newRoot = root.ReplaceNode(block, block.ReplaceNode(oldStatement, localStatementWithTrivia));
var newDocument = context.Document.WithSyntaxRoot(newRoot);
return(await LocalVariableRenamer.RenameVariable(newDocument, context));
}