本文整理汇总了C#中StatementSyntax.FirstAncestorOfKind方法的典型用法代码示例。如果您正苦于以下问题：C# StatementSyntax.FirstAncestorOfKind方法的具体用法？C# StatementSyntax.FirstAncestorOfKind怎么用？C# StatementSyntax.FirstAncestorOfKind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StatementSyntax的用法示例。
在下文中一共展示了StatementSyntax.FirstAncestorOfKind方法的1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: IsReturned
private static bool IsReturned(MethodDeclarationSyntax method, StatementSyntax statement, SemanticModel semanticModel, ILocalSymbol identitySymbol)
{
var anonymousFunction = statement.FirstAncestorOfKind(SyntaxKind.ParenthesizedLambdaExpression,
SyntaxKind.SimpleLambdaExpression, SyntaxKind.AnonymousMethodExpression) as AnonymousFunctionExpressionSyntax;
IMethodSymbol methodSymbol;
BlockSyntax body;
if (anonymousFunction != null)
{
methodSymbol = semanticModel.GetSymbolInfo(anonymousFunction).Symbol as IMethodSymbol;
body = anonymousFunction.Body as BlockSyntax;
}
else
{
methodSymbol = semanticModel.GetDeclaredSymbol(method);
body = method.Body;
}
if (body == null) return true;
var returnExpressions = body.DescendantNodes().OfType<ReturnStatementSyntax>().Select(r => r.Expression);
var returnTypeSymbol = methodSymbol?.ReturnType;
if (returnTypeSymbol == null) return false;
if (returnTypeSymbol.SpecialType == SpecialType.System_Void) return false;
var isReturning = returnExpressions.Any(returnExpression =>
{
var returnSymbol = semanticModel.GetSymbolInfo(returnExpression).Symbol;
if (returnSymbol == null) return false;
return returnSymbol.Equals(identitySymbol);
});
return isReturning;
}