public void VisitPrefixUnaryExpression(PrefixUnaryExpressionSyntax node) { if (node == null) throw new ArgumentNullException("node"); node.Validate(); ExpressionStart(node); switch (node.Operator) { case PrefixUnaryOperator.Ampersand: _writer.WriteOperator(PrinterOperator.Ampersand); break; case PrefixUnaryOperator.Asterisk: _writer.WriteOperator(PrinterOperator.Asterisk); break; case PrefixUnaryOperator.Exclamation: _writer.WriteOperator(PrinterOperator.Exclamation); break; case PrefixUnaryOperator.Minus: _writer.WriteOperator(PrinterOperator.Minus); break; case PrefixUnaryOperator.MinusMinus: _writer.WriteOperator(PrinterOperator.MinusMinus); break; case PrefixUnaryOperator.Plus: _writer.WriteOperator(PrinterOperator.Plus); break; case PrefixUnaryOperator.PlusPlus: _writer.WriteOperator(PrinterOperator.PlusPlus); break; case PrefixUnaryOperator.Tilde: _writer.WriteOperator(PrinterOperator.Tilde); break; default: throw ThrowHelper.InvalidEnumValue(node.Operator); } node.Operand.Accept(this); ExpressionEnd(node); }