public override Tree VisitPrimary(PrimaryContext primary)
{
var expressionContext = primary.parenthesized;
if (expressionContext != null)
{
return((Expression)VisitExpression(expressionContext));
}
LiteralContext literal = primary.literal();
if (literal != null)
{
return((Expression)VisitLiteral(literal));
}
ITerminalNode identifier = primary.Identifier();
if (identifier != null)
{
return(makeIdentifier(identifier));
}
return(new This(primary.start.Line, primary.start.Column, primary.stop.Line, primary.stop.Column));
}