本文整理汇总了C#中VariableDeclaratorSyntax.Ancestors方法的典型用法代码示例。如果您正苦于以下问题：C# VariableDeclaratorSyntax.Ancestors方法的具体用法？C# VariableDeclaratorSyntax.Ancestors怎么用？C# VariableDeclaratorSyntax.Ancestors使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类VariableDeclaratorSyntax的用法示例。
在下文中一共展示了VariableDeclaratorSyntax.Ancestors方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: VisitVariableDeclarator
public override void VisitVariableDeclarator(VariableDeclaratorSyntax node)
{
if (node.Ancestors().Any(x => x is FunctionDefinitionSyntax))
CreateTag(node.Identifier, _classificationService.LocalVariableIdentifier);
else if (node.Ancestors().Any(x => x is TypeDefinitionSyntax))
CreateTag(node.Identifier, _classificationService.FieldIdentifier);
else
CreateTag(node.Identifier, _classificationService.GlobalVariableIdentifier);
base.VisitVariableDeclarator(node);
}示例2: MakeParameterAsync
private async Task<Document> MakeParameterAsync(Document document, VariableDeclaratorSyntax typeDecl, CancellationToken cancellationToken)
{
var root = await document.GetSyntaxRootAsync(cancellationToken);
string varKeyword = string.Empty, varName = string.Empty;
//Predefined variable type (string, int, etc...)
var preDefType = typeDecl.Parent.ChildNodes().OfType<PredefinedTypeSyntax>().FirstOrDefault();
if (preDefType != null)
{
varKeyword = preDefType.Keyword.ToString();
var varDecl = typeDecl.Parent.ChildNodes().OfType<VariableDeclaratorSyntax>().FirstOrDefault();
varName = varDecl?.Identifier.ToString();
}
else //var
{
var identName = typeDecl.Parent.ChildNodes().OfType<IdentifierNameSyntax>().FirstOrDefault();
//Access the semantic model to determine actual type
var model = document.GetSemanticModelAsync().Result;
var type = model.GetTypeInfo(identName).Type;
varKeyword = type.ToMinimalDisplayString(model, typeDecl.SpanStart);
var varDecl = typeDecl.Parent.ChildNodes().OfType<VariableDeclaratorSyntax>().FirstOrDefault();
varName = varDecl?.Identifier.ToString();
}
MethodDeclarationSyntax mds = typeDecl.Ancestors().OfType<MethodDeclarationSyntax>().FirstOrDefault();
//Add the existing and new parameters
ParameterSyntax ps = SyntaxFactory.Parameter(SyntaxFactory.Identifier(string.Concat(varKeyword, " ", varName)));
var newList = SyntaxFactory.ParameterList(SyntaxFactory.SeparatedList<ParameterSyntax>().AddRange(
mds.ParameterList.ChildNodes().OfType<ParameterSyntax>()).Add(ps));
var methodNode = typeDecl.Ancestors().OfType<MethodDeclarationSyntax>().FirstOrDefault();
var variableNode = typeDecl.Parent.Parent;
var variableParentNode = typeDecl.Parent.Parent.Parent;
//Track the nodes we'll be using
var newRoot = root.TrackNodes(methodNode, variableNode, variableParentNode);
//Remode/replace the variable declaration
var trackedVariableParentNode = newRoot.GetCurrentNode(variableParentNode);
var trackedVariableNode = newRoot.GetCurrentNode(variableNode);
var newVariableParentNode = trackedVariableParentNode.RemoveNode(trackedVariableNode, SyntaxRemoveOptions.KeepNoTrivia);
newRoot = newRoot.ReplaceNode(trackedVariableParentNode, newVariableParentNode);
//Replace the method parameters
var trackedMethodNode = newRoot.GetCurrentNode(methodNode);
var newMethodNode = trackedMethodNode.ReplaceNode(trackedMethodNode.ParameterList, newList);
newRoot = newRoot.ReplaceNode(trackedMethodNode, newMethodNode);
return document.WithSyntaxRoot(newRoot);
}