/// <summary>
/// Calls the custom function.
/// </summary>
/// <param name="name">Name of the function</param>
/// <param name="exp"></param>
/// <returns></returns>
public object Call(string name, FunctionCallExpr exp)
{
var callback = GetByName(name);
// 1. Resolve parameter froms expressions into Lang values.
ParamHelper.ResolveParametersToHostLangValues(exp.ParamListExpressions, exp.ParamList);
object result = callback(exp);
return(result);
}
/// <summary>
/// Executes a call to a language binding class.
/// </summary>
/// <param name="expr"></param>
/// <returns></returns>
public object VisitBindingCall(BindingCallExpr expr)
{
var method = expr.Name;
// 1. Resolve the parameters.
ParamHelper.ResolveParametersToHostLangValues(expr.ParamListExpressions, expr.ParamList, this);
// 2. Push call into stack
expr.Ctx.State.Stack.Push(expr.FullName, null);
// 3. Call language binding method/function.
var binding = new MetaCompiler();
binding.Ctx = expr.Ctx;
var result = binding.ExecuteFunction(method, new object[] { expr });
result = FunctionHelper.CheckConvert(result);
// 4. Pop the call stack
expr.Ctx.State.Stack.Pop();
return(result);
}