private static bool IsSystemConsoleInvocation(
SyntaxNodeAnalysisContext context,
InvocationExpressionSyntax invocationSyntax)
{
// Get the method member access (Console.WriteLine or Console.Error.WriteLine)
if (!(invocationSyntax.Expression is MemberAccessExpressionSyntax memberAccessSyntax))
{
return(false);
}
// Get the semantic model for the invoked method
if (!(context.SemanticModel.GetSymbolInfo(memberAccessSyntax).Symbol is IMethodSymbol methodSymbol))
{
return(false);
}
// Check if contained within System.Console
if (KnownSymbols.IsSystemConsole(methodSymbol.ContainingType))
{
return(true);
}
// In case with Console.Error.WriteLine that wouldn't work, we need to check parent member access too
if (!(memberAccessSyntax.Expression is MemberAccessExpressionSyntax parentMemberAccessSyntax))
{
return(false);
}
// Get the semantic model for the parent member
if (!(context.SemanticModel.GetSymbolInfo(parentMemberAccessSyntax).Symbol is IPropertySymbol propertySymbol))
{
return(false);
}
// Check if contained within System.Console
if (KnownSymbols.IsSystemConsole(propertySymbol.ContainingType))
{
return(true);
}
return(false);
}
private static bool IsSystemConsoleInvocation(
SyntaxNodeAnalysisContext context,
InvocationExpressionSyntax invocationSyntax)
{
if (invocationSyntax.Expression is MemberAccessExpressionSyntax memberAccessSyntax &&
context.SemanticModel.GetSymbolInfo(memberAccessSyntax).Symbol is IMethodSymbol methodSymbol)
{
// Direct call to System.Console (e.g. System.Console.WriteLine())
if (KnownSymbols.IsSystemConsole(methodSymbol.ContainingType))
{
return(true);
}
// Indirect call to System.Console (e.g. System.Console.Error.WriteLine())
if (memberAccessSyntax.Expression is MemberAccessExpressionSyntax parentMemberAccessSyntax &&
context.SemanticModel.GetSymbolInfo(parentMemberAccessSyntax).Symbol is IPropertySymbol propertySymbol)
{
return(KnownSymbols.IsSystemConsole(propertySymbol.ContainingType));
}
}
return(false);
}
