public override Tree <Binding> VisitVariable(gramParser.VariableContext context)
{
var name = context.IDENTIFIER().GetText();
if (context.expr() != null)
{
var type = interpreter.Visit(context.expr());
if (type.Type.Check(ValueType.TYPE))
{
return(new Tree <Binding>(new Binding(name, type.Get <IType>())));
}
else if (type.Type.Check(ValueType.LIST))
{
return(new Tree <Binding>(new Binding(name, new ListType(type.Get <IEnumerable <IValue> >(), context.expr().GetText()))));
}
}
return(new Tree <Binding>(new Binding(name)));
}
public override IValue VisitVariable(gramParser.VariableContext context)
{
return(environment[context.IDENTIFIER().GetText()].Value);
}