/// <summary>
/// Preload specified variables
/// </summary>
/// <param name="flags">the flags</param>
public void Preload(FunctionPreloadFlags flags)
{
//preloaded variables start at register 1
int reg = 1;
//order is important
if (flags.HasFlag(FunctionPreloadFlags.PreloadThis))
{
Registers[reg] = Value.FromObject(Scope);
++reg;
}
if (flags.HasFlag(FunctionPreloadFlags.PreloadArguments))
{
throw new NotImplementedException();
}
if (flags.HasFlag(FunctionPreloadFlags.PreloadSuper))
{
throw new NotImplementedException();
}
if (flags.HasFlag(FunctionPreloadFlags.PreloadRoot))
{
Registers[reg] = Value.FromObject(Apt.Root.ScriptObject);
++reg;
}
if (flags.HasFlag(FunctionPreloadFlags.PreloadParent))
{
Registers[reg] = Value.FromObject(Scope.GetParent());
++reg;
}
if (flags.HasFlag(FunctionPreloadFlags.PreloadGlobal))
{
Registers[reg] = Value.FromObject(Apt.AVM.GlobalObject);
++reg;
}
if (flags.HasFlag(FunctionPreloadFlags.PreloadExtern))
{
Registers[reg] = Value.FromObject(Apt.AVM.ExternObject);
++reg;
}
if (!flags.HasFlag(FunctionPreloadFlags.SupressSuper))
{
throw new NotImplementedException();
}
if (!flags.HasFlag(FunctionPreloadFlags.SupressArguments))
{
throw new NotImplementedException();
}
if (!flags.HasFlag(FunctionPreloadFlags.SupressThis))
{
Locals["this"] = Value.FromObject(Scope);
}
}
public override void Execute(ActionContext context)
{
var name = Parameters[0].ToString();
var nParams = Parameters[1].ToInteger();
var nRegisters = Parameters[2].ToInteger();
FunctionPreloadFlags flags = (FunctionPreloadFlags)Parameters[3].ToInteger();
var size = Parameters[4 + nParams * 2].ToInteger();
//create a list of parameters
var paramList = Parameters
.Skip(4)
.Take(nParams * 2)
.ToList();
//get all the instructions
var code = context.Stream.GetInstructions(size);
var func = new Function()
{
Parameters = paramList,
Instructions = code,
NumberRegisters = nRegisters,
Constants = new List <Value>(context.Scope.Constants),
Flags = flags,
IsNewVersion = true
};
var funcVal = Value.FromFunction(func);
if (name.Length > 0)
{
context.Scope.Variables[name] = funcVal;
}
//anonymous function/lambda function
else
{
context.Stack.Push(funcVal);
}
}
