protected override ISyntaxVisitorAction Enter(
VariableDefinitionNode node,
IDocumentValidatorContext context)
{
base.Enter(node, context);
var variableName = node.Variable.Name.Value;
context.Unused.Add(variableName);
context.Declared.Add(variableName);
if (context.Schema.TryGetType(
node.Type.NamedType().Name.Value, out INamedType type) &&
!type.IsInputType())
{
context.Errors.Add(context.VariableNotInputType(node, variableName));
}
if (!context.Names.Add(variableName))
{
context.Errors.Add(context.VariableNameNotUnique(node, variableName));
}
return(Skip);
}