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package jdk.nashorn.internal.runtime;
import jdk.nashorn.internal.objects.annotations.SpecializedFunction;
import jdk.nashorn.internal.objects.annotations.SpecializedFunction.LinkLogic;
/**
* This is an interface for classes that need custom linkage logic. This means Native objects
* that contain optimistic native methods, that need special/extra rules for linking, guards and
* SwitchPointing, known and internal to the Native object for its linkage
*/
public interface OptimisticBuiltins {
/**
* Return an instance of the linking logic we need for a particular LinkLogic
* subclass, gotten from the compile time annotation of a specialized builtin method
* No assumptions can be made about the lifetime of the instance. The receiver may
* keep it as a perpetual final instance field or create new linking logic depending
* on its current state for each call, depending on if the global state has changed
* or other factors
*
* @param clazz linking logic class
* @return linking logic instance for this class
*/
public SpecializedFunction.LinkLogic getLinkLogic(final Class<? extends LinkLogic> clazz);
/**
* Does this link logic vary depending on which instance we are working with.
* Then we have to sort out certain primitives, as they are created as new
* objects in the wrapFilter by JavaScript semantics. An example of instance only
* assumptions are switchPoints per instance, as in NativeArray. NativeString is
* fine, as it's only static.
*
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