Exemplo n.º 1
0
        private static IdentifierNameSyntax PadMemberAccess(
            SimpleLambdaExpressionSyntax node,
            IdentifierNameSyntax memberAccess)
        {
            // We want to make the new span 
            var originalSpan = node.GetLocation().GetMappedLineSpan();

            // Start by collecting all the trivia 'inside' the expression - we need to tack that on the end, but
            // if it ends with a newline, don't include that.
            var innerTrivia = SyntaxFactory.TriviaList(node.DescendantTrivia(descendIntoChildren: n => true));
            if (innerTrivia.Count > 0 && innerTrivia[innerTrivia.Count - 1].IsKind(SyntaxKind.EndOfLineTrivia))
            {
                innerTrivia = innerTrivia.RemoveAt(innerTrivia.Count - 1);
            }

            memberAccess = memberAccess.WithTrailingTrivia(innerTrivia);

            // If everything is all on one line, then make sure the spans are the same, to compensate
            // for the expression potentially being longer than the variable name.
            var lineSpan = originalSpan.EndLinePosition.Line - originalSpan.StartLinePosition.Line;
            if (lineSpan == 0)
            {
                var padding = node.Span.Length - memberAccess.FullSpan.Length;
                var trailingTrivia =
                    SyntaxFactory.TriviaList(memberAccess.GetTrailingTrivia())
                    .Add(SyntaxFactory.Whitespace(new string(' ', padding)))
                    .AddRange(node.GetTrailingTrivia());

                return
                    memberAccess
                    .WithLeadingTrivia(node.GetLeadingTrivia())
                    .WithTrailingTrivia(trailingTrivia);
            }
            else
            {
                // If everything isn't on the same line, we need to pad out the last line.
                var padding =
                    originalSpan.EndLinePosition.Character -
                    originalSpan.StartLinePosition.Character;

                var trailingTrivia =
                    SyntaxFactory.TriviaList(memberAccess.GetTrailingTrivia())
                    .Add(SyntaxFactory.Whitespace(new string(' ', padding)))
                    .AddRange(node.GetTrailingTrivia());

                return
                    memberAccess
                    .WithLeadingTrivia(node.GetLeadingTrivia())
                    .WithTrailingTrivia(trailingTrivia);
            }
        }
Exemplo n.º 2
0
 private static void PrepareClassCacheEntry(IdentifierNameSyntax newClassModifier,
     ClassDeclarationSyntax classDeclaration,
     IdentifierNameSyntax newInterfaceModifier)
 {
     if (!ClassCache.ContainsKey(newClassModifier.Identifier.Text))
     {
         var baseList = classDeclaration.BaseList ?? SyntaxFactory.BaseList();
         ClassCache.Add(newClassModifier.Identifier.Text,
             SyntaxFactory.ClassDeclaration(
                 SyntaxFactory.List(new[] {
                     GetCompilerGeneratedAttribute()
                         .WithTrailingTrivia(
                             NewLineCharacter,
                             TabCharacter)
                 }),
                 SyntaxFactory.TokenList(),
                 newClassModifier.Identifier
                     .WithTrailingTrivia(WhitespaceCharacter)
                     .WithLeadingTrivia(WhitespaceCharacter),
                 null,
                 baseList.AddTypes(
                     SyntaxFactory.SimpleBaseType(
                         newInterfaceModifier
                             .WithLeadingTrivia(WhitespaceCharacter)
                             .WithTrailingTrivia(WhitespaceCharacter))),
                 SyntaxFactory.List<TypeParameterConstraintClauseSyntax>(),
                 SyntaxFactory.List<MemberDeclarationSyntax>())
                 .WithLeadingTrivia(TabCharacter)
                 .WithTrailingTrivia(NewLineCharacter));
     }
 }