protected override ISyntaxVisitorAction Enter(
DocumentNode node,
IDocumentValidatorContext context)
{
bool hasAnonymousOp = false;
int opCount = 0;
OperationDefinitionNode?anonymousOp = null;
context.Names.Clear();
for (int i = 0; i < node.Definitions.Count; i++)
{
IDefinitionNode definition = node.Definitions[i];
if (definition.Kind == SyntaxKind.OperationDefinition)
{
opCount++;
var operation = (OperationDefinitionNode)definition;
if (operation.Name is null)
{
hasAnonymousOp = true;
anonymousOp = operation;
}
else if (!context.Names.Add(operation.Name.Value))
{
context.Errors.Add(context.OperationNameNotUnique(
operation, operation.Name.Value));
}
}
}
if (hasAnonymousOp && opCount > 1)
{
context.Errors.Add(context.OperationAnonymousMoreThanOne(anonymousOp !, opCount));
}
return(Continue);
}