private static void AnalyzeBody(SyntaxNodeAnalysisContext context, BlockSyntax body)
{
ExpressionSyntax expression = UseExpressionBodiedMemberAnalysis.GetReturnExpression(body);
if (expression != null)
{
AnalyzeExpression(context, body, expression);
}
}
private static void AnalyzeConstructorDeclaration(SyntaxNodeAnalysisContext context)
{
var declaration = (ConstructorDeclarationSyntax)context.Node;
if (declaration.ExpressionBody == null)
{
BlockSyntax body = declaration.Body;
ExpressionSyntax expression = UseExpressionBodiedMemberAnalysis.GetExpression(body);
if (expression != null)
{
AnalyzeExpression(context, body, expression);
}
}
}
private static void AnalyzeMethodDeclaration(SyntaxNodeAnalysisContext context)
{
var method = (MethodDeclarationSyntax)context.Node;
if (method.ExpressionBody == null)
{
BlockSyntax body = method.Body;
ExpressionSyntax expression = UseExpressionBodiedMemberAnalysis.GetExpression(body);
if (expression != null)
{
AnalyzeExpression(context, body, expression);
}
}
}
private static void AnalyzeLocalFunctionStatement(SyntaxNodeAnalysisContext context)
{
var localFunctionStatement = (LocalFunctionStatementSyntax)context.Node;
if (localFunctionStatement.ExpressionBody == null)
{
BlockSyntax body = localFunctionStatement.Body;
ExpressionSyntax expression = UseExpressionBodiedMemberAnalysis.GetExpression(body);
if (expression != null)
{
AnalyzeExpression(context, body, expression);
}
}
}
private static void AnalyzeAccessorDeclaration(SyntaxNodeAnalysisContext context)
{
var accessor = (AccessorDeclarationSyntax)context.Node;
BlockSyntax body = accessor.Body;
if (body == null)
{
return;
}
if (accessor.AttributeLists.Any())
{
return;
}
bool isGetter = accessor.IsKind(SyntaxKind.GetAccessorDeclaration);
ExpressionSyntax expression = (isGetter)
? UseExpressionBodiedMemberAnalysis.GetReturnExpression(body)
: UseExpressionBodiedMemberAnalysis.GetExpression(body);
if (expression?.IsSingleLine() != true)
{
return;
}
if (isGetter &&
accessor.Parent is AccessorListSyntax accessorList &&
accessorList.Accessors.Count == 1)
{
if (accessorList.DescendantTrivia().All(f => f.IsWhitespaceOrEndOfLineTrivia()))
{
ReportDiagnostic(context, accessorList, expression);
context.ReportToken(DiagnosticDescriptors.UseExpressionBodiedMemberFadeOut, accessor.Keyword);
context.ReportBraces(DiagnosticDescriptors.UseExpressionBodiedMemberFadeOut, body);
}
return;
}
if (accessor.DescendantTrivia().All(f => f.IsWhitespaceOrEndOfLineTrivia()))
{
ReportDiagnostic(context, body, expression);
}
}
private static void AnalyzeConversionOperatorDeclaration(SyntaxNodeAnalysisContext context)
{
var declaration = (ConversionOperatorDeclarationSyntax)context.Node;
BlockSyntax body = declaration.Body;
if (body == null)
{
return;
}
ExpressionSyntax expression = UseExpressionBodiedMemberAnalysis.GetReturnExpression(body);
if (expression == null)
{
return;
}
AnalyzeExpression(context, body, expression);
}