Ejemplo n.º 1
0
        private static Task <Document> RefactorAsync(
            Document document,
            SingleLocalDeclarationStatementInfo localInfo,
            SemanticModel semanticModel,
            CancellationToken cancellationToken)
        {
            StatementListInfo statementsInfo = SyntaxInfo.StatementListInfo(localInfo.Statement);

            var localSymbol = (ILocalSymbol)semanticModel.GetDeclaredSymbol(localInfo.Declarator, cancellationToken);

            IdentifierNameSyntax identifierName = FindLastReference(localSymbol, statementsInfo.Parent, semanticModel, cancellationToken);

            TextSpan span;

            if (identifierName == null)
            {
                span = localInfo.Statement.Span;
            }
            else
            {
                int position = identifierName.SpanStart;
                span = TextSpan.FromBounds(localInfo.Statement.SpanStart, statementsInfo.First(f => f.Span.Contains(position)).Span.End);
            }

            StatementListSelection selectedStatements = StatementListSelection.Create(statementsInfo, span);

            var refactoring = new WrapStatements.WrapInUsingStatementRefactoring();

            return(refactoring.RefactorAsync(document, selectedStatements, cancellationToken));
        }