Set initial_refcount to 0 for a weak reference, >0 for a strong reference.

Set initial_refcount to 0 for a weak reference, >0 for a strong reference.

Deletes a reference. The referenced value is released, and may be GC'd unless there are other references to it.

Deletes a reference. The referenced value is released, and may be GC'd unless there are other references to it.

Gets all callback info in a single call. (Ugly, but faster.)

Attempts to get a referenced value. If the reference is weak, the value might no longer be available, in that case the call is still successful but th

Copies a JavaScript string into a UTF-16 string buffer. The result is the number of 2-byte code units (excluding the null terminator) copied into buf.

Copies a JavaScript string into a UTF-8 string buffer. The result is the number of bytes (excluding the null terminator) copied into buf. A sufficient

Methods to support catching exceptions