public LoxVoid VisitConditionalExpr(Expr.Conditional expr)
{
Resolve(expr.Condition);
Resolve(expr.TrueExpr);
Resolve(expr.FalseExpr);
return(null);
}
public object VisitConditionalExpr(Expr.Conditional expr)
{
if (IsTruthy(Evaluate(expr.ifExpr)))
{
return(Evaluate(expr.thenBranch));
}
else
{
return(Evaluate(expr.elseBranch));
}
}
public object VisitConditionalExpr(Expr.Conditional expr)
{
object condition = Evalutate(expr.Condition);
if (IsTruthy(condition))
{
return(Evalutate(expr.TrueExpr));
}
else
{
return(Evalutate(expr.FalseExpr));
}
}
private Expr Conditional()
{
Expr expr = Or();
if (Match(QUESTION))
{
Expr ifThen = Expression();
Consume(COLON, "Expected ':' in conditional expression.");
Expr ifElse = Conditional();
expr = new Expr.Conditional(expr, ifThen, ifElse);
}
return(expr);
}
public object VisitConditionalExpr(Expr.Conditional expr)
{
throw new System.NotImplementedException();
}
public string VisitConditionalExpr(Expr.Conditional expr)
{
return(Parenthesize("?:", expr.Condition, expr.TrueExpr, expr.FalseExpr));
}
public string VisitConditional(Expr.Conditional expr)
{
throw new NotImplementedException();
}
