private static LocalDeclarationStatementSyntax GetNewLocalDeclaration(
ConditionalExpressionSyntax conditionalExpression,
LocalDeclarationStatementSyntax localDeclaration,
SemanticModel semanticModel)
{
bool isVar = localDeclaration.Declaration.Type.IsVar;
localDeclaration = localDeclaration.RemoveNode(
conditionalExpression.Parent,
SyntaxRemoveOptions.KeepExteriorTrivia);
if (isVar)
{
ITypeSymbol typeSymbol = semanticModel.GetTypeInfo(conditionalExpression).Type;
if (typeSymbol != null && typeSymbol.Kind != SymbolKind.ErrorType)
{
localDeclaration = localDeclaration.ReplaceNode(
localDeclaration.Declaration.Type,
TypeSyntaxRefactoring.CreateTypeSyntax(typeSymbol).WithAdditionalAnnotations(Simplifier.Annotation));
}
}
return(localDeclaration);
}
public static async Task <Document> RefactorAsync(
Document document,
ExpressionSyntax expression,
ITypeSymbol typeSymbol,
CancellationToken cancellationToken)
{
SyntaxNode root = await document.GetSyntaxRootAsync(cancellationToken);
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken);
TypeSyntax type = TypeSyntaxRefactoring.CreateTypeSyntax(typeSymbol)
.WithAdditionalAnnotations(Simplifier.Annotation);
CastExpressionSyntax castExpression = SyntaxFactory.CastExpression(type, expression)
.WithTriviaFrom(expression);
root = root.ReplaceNode(expression, castExpression);
return(document.WithSyntaxRoot(root));
}
