src/code/primordial-type.lisp

   1 ;;;; This software is part of the SBCL system. See the README file for
   2 ;;;; more information.
   3 ;;;;
   4 ;;;; This software is derived from the CMU CL system, which was
   5 ;;;; written at Carnegie Mellon University and released into the
   6 ;;;; public domain. The software is in the public domain and is
   7 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
   8 ;;;; files for more information.
   9
  10 (in-package "SB!KERNEL")
  11
  12 ;;; Has the type system been properly initialized? (I.e. is it OK to
  13 ;;; use it?)
  14 (defvar *type-system-initialized* #+sb-xc-host nil) ; (set in cold load)
  15
  16 (defvar *wild-type*)
  17 (defvar *empty-type*)
  18 (defvar *universal-type*)
  19 (defvar *universal-fun-type*)
  20 (defvar *instance-type*)
  21 (defvar *funcallable-instance-type*)
  22 (defvar *extended-sequence-type*)
  23
  24 ;;; a vector that maps type codes to layouts, used for quickly finding
  25 ;;; the layouts of built-in classes
  26 (defvar *built-in-class-codes*) ; initialized in cold load
  27 (defvar *null-classoid-layout*)
  28 (declaim (type simple-vector *built-in-class-codes*))