public override Node VisitQuestion([NotNull] QuestionContext context)
{
var questionNode = new QuestionNode(context.Start, context.LABEL().ToString());
if (context.style() != null)
{
questionNode.AddChild(Visit(context.style()));
}
return(questionNode);
}
public override Node VisitQuestion(QuestionContext context)
{
var expressionNode = Visit(context.expression());
var question = new QuestionNode(context.Start,
context.STRING().GetText().Replace("\"", string.Empty),
context.LABEL().GetText(),
expressionNode != null,
QLTypeConverter.FromStringTypeToQLType(context.type().GetText()));
question.AddChild(expressionNode);
return(question);
}
public override Node Visit(QuestionNode question)
{
var questionNode = new QuestionNode(question.Token, question.Description, question.Label, question.IsEvaluated, question.Type);
foreach (var expression in question.ChildNodes)
{
var evaluatedNode = expression.Accept(this) as LiteralNode;
_memory.AssignValue(question.Label, _valueFactory.CreateValueFromString(evaluatedNode.Value, question.Type));
questionNode.AddChild(evaluatedNode);
}
if (!questionNode.ChildNodes.Any())
{
IValue memoryValue;
if (!_memory.TryRetrieveValue(question.Label, out memoryValue))
{
memoryValue = _valueFactory.CreateDefaultValue(question.Type);
}
questionNode.ChildNodes.Add(new LiteralNode(question.Token, memoryValue.ToString(), question.Type));
}
return(questionNode);
}