Esempio n. 1
0
        private static ExpressionSyntax NegateConditionalExpression(ConditionalExpressionSyntax conditionalExpression)
        {
            ExpressionSyntax whenTrue  = conditionalExpression.WhenTrue;
            ExpressionSyntax whenFalse = conditionalExpression.WhenFalse;

            if (whenTrue?.IsKind(SyntaxKind.ThrowExpression) == false)
            {
                whenTrue = whenTrue
                           .LogicallyNegate()
                           .ParenthesizeIfNecessary(SyntaxKind.ConditionalExpression)
                           .WithTriviaFrom(whenTrue);
            }

            if (whenFalse?.IsKind(SyntaxKind.ThrowExpression) == false)
            {
                whenFalse = whenFalse
                            .LogicallyNegate()
                            .ParenthesizeIfNecessary(SyntaxKind.ConditionalExpression)
                            .WithTriviaFrom(whenFalse);
            }

            ConditionalExpressionSyntax newConditionalExpression = conditionalExpression.Update(
                conditionalExpression.Condition,
                conditionalExpression.QuestionToken,
                whenTrue,
                conditionalExpression.ColonToken,
                whenFalse);

            return(newConditionalExpression.WithTriviaFrom(conditionalExpression));
        }
Esempio n. 2
0
        private static ExpressionSyntax NegateConditionalExpression(
            ConditionalExpressionSyntax conditionalExpression,
            SemanticModel semanticModel,
            CancellationToken cancellationToken)
        {
            ExpressionSyntax whenTrue  = conditionalExpression.WhenTrue;
            ExpressionSyntax whenFalse = conditionalExpression.WhenFalse;

            if (whenTrue?.IsKind(SyntaxKind.ThrowExpression) == false)
            {
                whenTrue = LogicallyNegateAndParenthesize(whenTrue, semanticModel, cancellationToken);
            }

            if (whenFalse?.IsKind(SyntaxKind.ThrowExpression) == false)
            {
                whenFalse = LogicallyNegateAndParenthesize(whenFalse, semanticModel, cancellationToken);
            }

            ConditionalExpressionSyntax newConditionalExpression = conditionalExpression.Update(
                conditionalExpression.Condition,
                conditionalExpression.QuestionToken,
                whenTrue,
                conditionalExpression.ColonToken,
                whenFalse);

            return(newConditionalExpression.WithTriviaFrom(conditionalExpression));
        }
Esempio n. 3
0
        public static Task <Document> RefactorAsync(
            Document document,
            ConditionalExpressionSyntax conditionalExpression,
            CancellationToken cancellationToken = default(CancellationToken))
        {
            ConditionalExpressionSyntax newNode = conditionalExpression.Update(
                condition: Negator.LogicallyNegate(conditionalExpression.Condition),
                questionToken: conditionalExpression.QuestionToken,
                whenTrue: conditionalExpression.WhenFalse.WithTriviaFrom(conditionalExpression.WhenTrue),
                colonToken: conditionalExpression.ColonToken,
                whenFalse: conditionalExpression.WhenTrue.WithTriviaFrom(conditionalExpression.WhenFalse));

            newNode = newNode.WithFormatterAnnotation();

            return(document.ReplaceNodeAsync(conditionalExpression, newNode, cancellationToken));
        }
        public static async Task <Document> RefactorAsync(
            Document document,
            ConditionalExpressionSyntax conditionalExpression,
            CancellationToken cancellationToken = default(CancellationToken))
        {
            SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);

            ConditionalExpressionSyntax newNode = conditionalExpression.Update(
                condition: CSharpUtility.LogicallyNegate(conditionalExpression.Condition, semanticModel, cancellationToken),
                questionToken: conditionalExpression.QuestionToken,
                whenTrue: conditionalExpression.WhenFalse.WithTriviaFrom(conditionalExpression.WhenTrue),
                colonToken: conditionalExpression.ColonToken,
                whenFalse: conditionalExpression.WhenTrue.WithTriviaFrom(conditionalExpression.WhenFalse));

            newNode = newNode.WithFormatterAnnotation();

            return(await document.ReplaceNodeAsync(conditionalExpression, newNode, cancellationToken).ConfigureAwait(false));
        }