;;;; object-uword-ref.scm
;;;; Kon Lovett, Mar '20

;; Issues
;;

(cond-expand
  (64bit
    (begin
      (define-constant C_UWORD_SIZE 8)
      (define-syntax pointer-uword-ref
        (syntax-rules ()
          ((pointer-uword-ref ?ptr)
            (pointer-u64-ref ?ptr) ) ) ) ) )
  (else
    (begin
      (define-constant C_UWORD_SIZE 4)
      (define-syntax pointer-uword-ref
        (syntax-rules ()
          ((pointer-uword-ref ?ptr)
            (pointer-u32-ref ?ptr) ) ) ) ) ) )

(define-inline (object-uword-ref proc #!optional (idx 0))
  (pointer-uword-ref (pointer+ (object->pointer proc) (* C_UWORD_SIZE (add1 idx)))) )