public object VisitGuardOperand(KpLinguaParser.GuardOperandContext context)
{
var guard = default(IGuard);
var multisetContext = context.nonEmptyMultiset();
var guardContext = context.guard();
var relationalOperatorContext = context.RelationalOperator();
if (multisetContext != null)
{
var multiset = multisetContext.Accept(this) as Multiset;
var relationalOperator = relationalOperatorContext != null?GetRelationalOperator(relationalOperatorContext) : RelationalOperator.EQUAL;
guard = new BasicGuard(multiset, relationalOperator);
}
else if (guardContext != null)
{
guard = guardContext.Accept(this) as IGuard;
}
return(guard);
}
/// <summary>
/// Visit a parse tree produced by <see cref="KpLinguaParser.guardOperand"/>.
/// <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 VisitGuardOperand([NotNull] KpLinguaParser.GuardOperandContext context)
{
return(VisitChildren(context));
}
