private IReadOnlyList <MInstance> GetInstances(KpLinguaParser.LinkOperandContext context)
{
var instances = new List <MInstance>();
var instanceContext = context.instance();
var identifierContext = context.Identifier();
var wildcardContext = context.linkWildcardOperand();
if (instanceContext != null)
{
instances.Add(instanceContext.Accept(this) as MInstance);
}
if (identifierContext != null)
{
var instance = default(MInstance);
var instanceName = GetIdentifier(identifierContext);
if (_instancesByName.TryGetValue(instanceName, out instance))
{
instances.Add(instance);
}
}
if (wildcardContext != null)
{
var typeName = wildcardContext.Accept(this) as string;
var instancesOfType = default(List <MInstance>);
if (_instancesByType.TryGetValue(typeName, out instancesOfType))
{
instances.AddRange(instancesOfType);
}
}
return(instances);
}
/// <summary>
/// Visit a parse tree produced by <see cref="KpLinguaParser.linkOperand"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitLinkOperand([NotNull] KpLinguaParser.LinkOperandContext context)
{
return(VisitChildren(context));
}
public object VisitLinkOperand(KpLinguaParser.LinkOperandContext context)
{
throw new NotImplementedException();
}
