// returns whether the name exists as a variable, in the scope of the current instance.
// The interpreter checks array bounds with Variable.CheckIndex().
public static bool VariableExists(string name)
{
if (DeclaredVariables.Contains(name))
{
return(ScopedVariables.ContainsKey(name));
}
return(globalvars.Contains(name) || Current.VariableExists(name));
}
// returns whether the name exists as a variable, in the scope of the given instance.
// example: x = VariableExists(Env.self, "t");
public static bool VariableExists(int id, string name)
{
switch ((InstanceTarget)id)
{
case InstanceTarget.Self:
return(Current != null && Current.VariableExists(name));
case InstanceTarget.Other:
return(Other != null && Other.VariableExists(name));
case InstanceTarget.All:
return(Instances.Any(e => e.VariableExists(name)));
case InstanceTarget.Noone:
return(false);
case InstanceTarget.Global:
return(GlobalVariableExists(name));
default:
return(Instances.Any(inst => inst.id == id && !inst.Destroyed && inst.VariableExists(name)));
}
}
