private static void AnalyzeBinaryExpression(SyntaxNodeAnalysisContext context)
{
var binaryExpression = (BinaryExpressionSyntax)context.Node;
ExpressionSyntax left = binaryExpression.Left;
if (left.IsMissing)
{
return;
}
ExpressionSyntax right = binaryExpression.Right;
if (right.IsMissing)
{
return;
}
NewLinePosition newLinePosition = context.GetBinaryExpressionNewLinePosition();
if (newLinePosition == NewLinePosition.None)
{
return;
}
if (SyntaxTriviaAnalysis.IsTokenFollowedWithNewLineAndNotPrecededWithNewLine(left, binaryExpression.OperatorToken, right))
{
if (newLinePosition == NewLinePosition.Before)
{
DiagnosticHelpers.ReportDiagnostic(
context,
DiagnosticRules.PlaceNewLineAfterOrBeforeBinaryOperator,
Location.Create(binaryExpression.SyntaxTree, binaryExpression.OperatorToken.Span.WithLength(0)),
"before");
}
}
else if (SyntaxTriviaAnalysis.IsTokenPrecededWithNewLineAndNotFollowedWithNewLine(left, binaryExpression.OperatorToken, right) &&
newLinePosition == NewLinePosition.After)
{
DiagnosticHelpers.ReportDiagnostic(
context,
DiagnosticRules.PlaceNewLineAfterOrBeforeBinaryOperator,
Location.Create(binaryExpression.SyntaxTree, binaryExpression.OperatorToken.Span.WithLength(0)),
properties: DiagnosticProperties.AnalyzerOption_Invert,
"after");
}
}
