object Expr.IVisitor <object> .Visit(Expr.Call _call)
{
object callee = Evaluate(_call.callee);
List <object> arguments = new List <object>();
foreach (Expr argument in _call.arguments)
{
arguments.Add(Evaluate(argument));
}
if (!(callee is ICallable))
{
throw new RuntimeError(_call.paren, "Can only call functions and classes.");
}
ICallable function = (ICallable)callee;
if (arguments.Count != function.Arity)
{
throw new RuntimeError(_call.paren, "Expected " + function.Arity + " arguments, but got " + arguments.Count + ".");
}
return(function.Call(this, arguments));
}
public Void VisitCallExpr(Expr.Call expr)
{
Resolve(expr.Callee);
foreach (var argument in expr.Arguments)
{
Resolve(argument);
}
return(null);
}
public object Visit(Expr.Call _call)
{
Resolve(_call.callee);
foreach (Expr argument in _call.arguments)
{
Resolve(argument);
}
return(null);
}
public object visitCallExpr(Expr.Call call)
{
resolve(call.callee);
foreach (Object arg in call.expressionArguments)
{
if (arg is Expr)
{
resolve((Expr)arg);
}
else if (arg is Statement.function)
{
resolve((Statement.function)arg);
}
}
return(null);
}
public string visitCallExpr(Expr.Call call)
{
Expr[] expressions = new Expr[call.expressionArguments.Count];
for (int i = 0; i < call.expressionArguments.Count; i++)
{
if (call.expressionArguments[i] is Expr)
{
expressions[i] = (Expr)call.expressionArguments[i];
}
else if (call.expressionArguments[i] is Statement.function)
{
Statement.function lambda = (Statement.function)call.expressionArguments[i];
expressions[i] = new Expr.Lambda(lambda.name, lambda._params, lambda.body);
}
}
return(parenthesize(call.callee.ToString(), expressions));
}
public object VisitCallExpr(Expr.Call expr)
{
object callee = Evaluate(expr.callee);
var arguments = expr.arguments.Select(Evaluate).ToList();
if (callee is ICallable func)
{
if (arguments.Count != func.Arity())
{
throw new RuntimeError(expr.paren,
$"Expected {func.Arity()} arguments but got {arguments.Count}.");
}
return(func.Call(this, arguments));
}
throw new RuntimeError(expr.paren, "Can only call functions and classes.");
}
public object VisitCallExpr(Expr.Call expr)
{
var callee = Evaluate(expr.Callee);
var arguments = new List <object>();
foreach (var argument in expr.Arguments)
{
arguments.Add(Evaluate(argument));
}
if (callee is ILoxCallable function)
{
if (arguments.Count != function.Arity())
{
throw new RuntimeError(expr.Paren, $"Expected {function.Arity()} arguments but got {arguments.Count}.");
}
return(function.Call(this, arguments));
}
throw new RuntimeError(expr.Paren, "Can only call functions and classes");
}
public object visitCallExpr(Expr.Call call)
{
Object callee = evaluate(call.callee);
List <Object> arguments = new List <Object>();
foreach (Object argument in call.expressionArguments)
{
if (argument is Expr)
{
arguments.Add(evaluate((Expr)argument));
}
else if (argument is Statement.function)
{
arguments.Add((Statement.function)argument);
}
}
if (!(callee is LoxCallable) && !(callee is Statement.function))
{
throw new Exceptions.RuntimeError(call.paren, "Can only call functions and classes.");
}
else if (callee is Statement.function)
{
Statement.function staticFunction = (Statement.function)callee;
LoxFunction classStaticFunction = new LoxFunction(staticFunction, globals, false);
return(classStaticFunction.call(this, arguments));
}
LoxCallable function = (LoxCallable)callee;
if (arguments.Count != function.arity())
{
throw new Exceptions.RuntimeError(call.paren, "Expected " +
function.arity() + " arguments but got " +
arguments.Count + ".");
}
return(function.call(this, arguments));
}
string Expr.IVisitor <string> .Visit(Expr.Call _call)
{
throw new NotImplementedException();
}
public object VisitCallExpr(Expr.Call expr)
{
Resolve(expr.callee);
expr.arguments.ForEach(Resolve);
return(null);
}
public string VisitCallExpr(Expr.Call expr)
{
return($"({expr.callee.Accept(this)}()");
}