public static async Task <Solution> DeclareLocalVariable(CodeRefactoringContext context, String typeName)
{
var root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
var currentNode = root.FindNode(context.Span);
var statement = currentNode.AncestorsAndSelf().OfType <ExpressionStatementSyntax>().FirstOrDefault();
var invocationExpression = statement.DescendantNodesAndSelf().OfType <InvocationExpressionSyntax>().First();
var identifierName = invocationExpression.DescendantNodesAndSelf().LastOrDefault(n => n is IdentifierNameSyntax) as IdentifierNameSyntax;
var methodName = LocalNameByMathodNameGenerator.CreateIdentifierName(identifierName.Identifier.ValueText);
var localVariableName = LocalVariableNameGenerator.Create(methodName, currentNode, await context.Document.GetSemanticModelAsync());
var localDeclarationStatement = LocalDeclarationStatementFactory.Create(typeName, localVariableName, invocationExpression);
return(await SolutionNodeReplacer.Replace(context, localDeclarationStatement, statement));
}
public static async Task <Solution> CreateDefaultObject(CodeRefactoringContext context, Boolean leftTypeNameIsVar)
{
var root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
var currentNode = root.FindNode(context.Span);
var semanticModel = await context.Document.GetSemanticModelAsync(context.CancellationToken);
var statement = currentNode.AncestorsAndSelf().First(n => n is ExpressionStatementSyntax ||
n is LocalDeclarationStatementSyntax) as StatementSyntax;
var type = GetTypeInfo(statement, semanticModel);
var localVariableName = LocalVariableNameGenerator.Create(GetNameForLocalVariable(type), currentNode, semanticModel);
var typeName = statement.WithoutTrivia().GetText().ToString().Replace(" ", "").TrimEnd(';');
var leftTypeName = leftTypeNameIsVar ? "var" : typeName;
var localDeclarationStatement = LocalDeclarationStatementFactory.CreateLocalObjectStatement(leftTypeName, typeName, localVariableName);
return(await SolutionNodeReplacer.Replace(context, localDeclarationStatement, statement));
}
