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C# AttributeSyntax.FirstAncestorOrSelf方法代码示例

本文整理汇总了C#中Microsoft.CodeAnalysis.CSharp.Syntax.AttributeSyntax.FirstAncestorOrSelf方法的典型用法代码示例。如果您正苦于以下问题:C# AttributeSyntax.FirstAncestorOrSelf方法的具体用法?C# AttributeSyntax.FirstAncestorOrSelf怎么用?C# AttributeSyntax.FirstAncestorOrSelf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Microsoft.CodeAnalysis.CSharp.Syntax.AttributeSyntax的用法示例。


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示例1: Delete

        private Document Delete(Document document, AttributeSyntax node)
        {
            var attributeList = node.FirstAncestorOrSelf<AttributeListSyntax>();

            // If we don't have anything left, then just delete the whole attribute list.
            if (attributeList.Attributes.Count == 1)
            {
                var text = document.GetTextAsync(CancellationToken.None)
                                   .WaitAndGetResult_CodeModel(CancellationToken.None);

                // Note that we want to keep all leading trivia and delete all trailing trivia.
                var deletionStart = attributeList.SpanStart;
                var deletionEnd = attributeList.FullSpan.End;

                text = text.Replace(TextSpan.FromBounds(deletionStart, deletionEnd), string.Empty);

                return document.WithText(text);
            }
            else
            {
                var newAttributeList = attributeList.RemoveNode(node, SyntaxRemoveOptions.KeepNoTrivia);

                return document.ReplaceNodeAsync(attributeList, newAttributeList, CancellationToken.None)
                               .WaitAndGetResult_CodeModel(CancellationToken.None);
            }
        }
开发者ID:SoumikMukherjeeDOTNET,项目名称:roslyn,代码行数:26,代码来源:CSharpCodeModelService.cs


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