public override INode <AstNode> VisitTerminal(Antlr4.Runtime.Tree.ITerminalNode node)
{
var payload = (CommonToken)node.Payload;
var ruleType = payload.Type;
var text = payload.Text;
if (ruleType == NQLParser.OPERATOR)
{
return(new OperatorNode(text));
}
if (ruleType == NQLParser.STRING)
{
var unwrappedText = text.TrimStart('\"').TrimEnd('\"');
return(new StringNode(unwrappedText));
}
if (ruleType == NQLParser.NUMBER)
{
return(new NumberNode(text));
}
if (ruleType == NQLParser.SYMBOL || ruleType == NQLParser.ALPHA)
{
if (text == "nil")
{
return(new NilNode());
}
if (text == "true")
{
return(new TrueNode());
}
if (text == "false")
{
return(new FalseNode());
}
return(new SymbolNode(text));
}
if (ruleType == NQLParser.KEYWORD)
{
return(new KeywordNode(text));
}
return(base.VisitTerminal(node));
}
public object VisitTerminal(Antlr4.Runtime.Tree.ITerminalNode node)
{
throw new System.NotImplementedException();
}
