C# MethodDeclarationSyntax.WithLeadingTrivia方法代码示例

        private static async Task<Document> ReplaceWithExpressionBodiedMember(Document document, MethodDeclarationSyntax declaration, CancellationToken cancellationToken)
        {
            SyntaxTriviaList leadingTrivia;
            var expression = GetExpressionAndLeadingTrivia(declaration.Body, out leadingTrivia);

            var declarationTrivia = declaration.GetLeadingTrivia();
            declarationTrivia = declarationTrivia.AddRange(leadingTrivia);

            var newDeclaration = declaration
                .WithLeadingTrivia(declarationTrivia)
                .WithExpressionBody(SyntaxFactory.ArrowExpressionClause(expression))
                .WithBody(null)
                .WithSemicolonToken(GetSemicolon(declaration.Body))
                .WithAdditionalAnnotations(Formatter.Annotation);

            var root = await document.GetSyntaxRootAsync(cancellationToken);
            var newRoot = root.ReplaceNode(declaration, newDeclaration);

            return document.WithSyntaxRoot(newRoot);
        }

        /// <summary>
        /// Ajoute/corrige la ligne de documentation à/de la méthode.
        /// </summary>
        /// <param name="document">Le document du contexte.</param>
        /// <param name="méthode">La méthode à documenter.</param>
        /// <param name="jetonAnnulation">Le jeton d'annulation.</param>
        /// <returns>Le document mis à jour.</returns>
        private static async Task<Document> AjouterInheritDoc(Document document, MethodDeclarationSyntax méthode, CancellationToken jetonAnnulation)
        {
            // On récupère la recine et le modèle sémantique.
            var racine = await document
                .GetSyntaxRootAsync(jetonAnnulation)
                .ConfigureAwait(false);
            var modèleSémantique = await document.GetSemanticModelAsync(jetonAnnulation);

            // On a déjà trouvé le inheritDoc dans le diagnostic mais on ne peut pas vraiment le passer au correctif...
            var inheritDoc = Partagé.InheritDocEstCorrect(racine, modèleSémantique, méthode);

            // Ajoute la ligne de commentaire à la méthode.
            var méthodeCommentée = méthode
                .WithLeadingTrivia(SyntaxFactory.LineFeed, SyntaxFactory.Comment(inheritDoc), SyntaxFactory.LineFeed)
                .WithAdditionalAnnotations(Formatter.Annotation);

            // Met à jour la racine.
            var nouvelleRacine = racine.ReplaceNode(méthode, méthodeCommentée);

            return document.WithSyntaxRoot(nouvelleRacine);
        }

        /// <summary>
        /// Add documentation for the property.
        /// </summary>
        /// <param name="context">the code fix context.</param>
        /// <param name="root">the root syntax node.</param>
        /// <param name="methodDeclaration">the property declaration containing invalid documentation.</param>
        /// <param name="documentComment">the existing comment.</param>
        /// <returns>the correct code.</returns>
        private Task<Document> AddDocumentationAsync(
            CodeFixContext context,
            SyntaxNode root,
            MethodDeclarationSyntax methodDeclaration,
            DocumentationCommentTriviaSyntax documentComment)
        {
            var summary = this._commentNodeFactory.GetExistingSummaryCommentText(documentComment)
                          ?? this._commentNodeFactory.CreateCommentSummaryText(methodDeclaration);
            var @class = methodDeclaration.Parent as ClassDeclarationSyntax;
            var first = @class?.DescendantNodes().FirstOrDefault() == methodDeclaration;

            var parameters = this._commentNodeFactory.CreateParameters(methodDeclaration, documentComment);
            var typeParameters = this._commentNodeFactory.CreateTypeParameters(methodDeclaration, documentComment);

            var @return = this._commentNodeFactory.CreateReturnValueDocumentation(methodDeclaration, documentComment);
            var returns = @return == null
                ? new XmlElementSyntax[] { }
                : new[] { @return };
            var summaryPlusParameters = new XmlNodeSyntax[] { summary }
                .Concat(parameters)
                .Concat(returns)
                .Concat(typeParameters)
                .ToArray();

            var comment = this._commentNodeFactory
                .CreateDocumentComment(summaryPlusParameters)
                .AddLeadingEndOfLineTriviaFrom(methodDeclaration.GetLeadingTrivia());

            var trivia = SyntaxFactory.Trivia(comment);
            var methodTrivia = first
                   ? methodDeclaration.WithLeadingTrivia(trivia)
                   : methodDeclaration.WithLeadingTrivia(SyntaxFactory.CarriageReturnLineFeed, trivia);
            var result = documentComment != null
                ? root.ReplaceNode(documentComment, comment.AdjustDocumentationCommentNewLineTrivia())
                : root.ReplaceNode(methodDeclaration, methodTrivia);

            var newDocument = context.Document.WithSyntaxRoot(result);
            return Task.FromResult(newDocument);
        }