public object VisitCallExpr(Call expr)
{
object callee = Evaluate(expr.Callee);
List <object> arguments = new List <object>();
foreach (Expr argument in expr.Arguments)
{
arguments.Add(Evaluate(argument));
}
if (!(callee is ILoxCallable))
{
throw new RuntimeError(expr.Paren, "Can only call functions and classes.");
}
ILoxCallable function = (ILoxCallable)callee;
if (arguments.Count != function.Arity())
{
throw new RuntimeError(expr.Paren, $"Expected {function.Arity()} arguments but got {arguments.Count}.");
}
return(function.Call(this, arguments));
}
public object VisitCallExpr(Expr <object> .Call expr)
{
Object callee = Evaluate(expr.callee);
var args = new List <object>();
foreach (Expr <object> arg in expr.arguments)
{
args.Add(Evaluate(arg));
}
if (!(typeof(ILoxCallable).IsInstanceOfType(callee)))
{
throw new RuntimeError(expr.paren, "Can only call functions and classes.");
}
ILoxCallable function = (ILoxCallable)callee;
if (args.Count != function.Arity())
{
throw new RuntimeError(expr.paren, $"Expected {function.Arity()} arguments but got {args.Count}.");
}
return(function.Call(this, args));
}
public object VisitCallExpr(Call expr)
{
object callee = Evaluate(expr.callee);
List <object> arguments = new List <object>();
foreach (Expr a in expr.arguments)
{
arguments.Add(Evaluate(a));
}
if (!(callee.GetType() != typeof(ILoxCallable)))
{
throw new RuntimeError(expr.paren, "Can only call functions and clases.");
}
ILoxCallable function = (ILoxCallable)callee;
if (arguments.Count != function.Arity())
{
throw new RuntimeError(expr.paren, "Expected " + function.Arity() + " arguments but got " + arguments.Count + ".");
}
return(function.Call(this, arguments));
}
public object VisitCallExpr(Expr.Call expr)
{
object callee = Evaluate(expr.Callee);
List <object> arguments = expr.Arguments.Select(Evaluate).ToList();
if (!(callee is ILoxCallable))
{
throw new RuntimeError(expr.Paren, "Can only call functions and classes.");
}
ILoxCallable function = (ILoxCallable)callee;
if (arguments.Count() != function.Arity())
{
throw new RuntimeError(expr.Paren, $"Expect {function.Arity()} arguments but got {arguments.Count()} instead.");
}
return(function.Call(this, arguments));
}