public override object Execute(Func <object>[] args)
{
var func = (CustomFunction)args[0]();
try
{
var callArgsObj = args[1]();
if (!(callArgsObj is object[] callArgs))
{
throw new InvalidOperationException(
$"Malformed called to '{func.Name}'. Expected a list of arguments but received '{callArgsObj}'");
}
if (callArgs.Length != func.Parameters.Length)
{
throw new InvalidOperationException(
$"'{func.Name}' expects {func.Parameters.Length} arguments but is being called with {callArgs.Length}");
}
InitialiseLocals(func.Parameters, callArgs);
func.Execute();
object result = null;
if (ScopeManager.Contains(ReturnFunction.ReturnVarName))
{
result = ScopeManager.Get(ReturnFunction.ReturnVarName);
}
ScopeManager.LeaveScope();
return(result);
}
catch (Exception ex)
{
throw new InvalidOperationException($"Error executing function '{func.Name}': {ex.Message}");
}
}