src/code/early-full-eval.lisp

   1 ;;;; An interpreting EVAL
   2
   3 ;;;; This software is part of the SBCL system. See the README file for
   4 ;;;; more information.
   5 ;;;;
   6 ;;;; This software is derived from the CMU CL system, which was
   7 ;;;; written at Carnegie Mellon University and released into the
   8 ;;;; public domain. The software is in the public domain and is
   9 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
  10 ;;;; files for more information.
  11
  12 (in-package "SB!EVAL")
  13
  14 (defparameter *eval-level* -1)
  15 (defparameter *eval-verbose* nil)
  16
  17 ;; !defstruct-with-alternate-metaclass is unslammable and the
  18 ;; RECOMPILE restart doesn't work on it.  This is the main reason why
  19 ;; this stuff is split out into its own file.  Also, it lets the
  20 ;; INTERPRETED-FUNCTION type be declared before it is used in
  21 ;; compiler/main and code/deftypes-for-target.
  22 (sb!kernel::!defstruct-with-alternate-metaclass
  23  interpreted-function
  24  :slot-names (name lambda-list env declarations documentation body source-location)
  25  :boa-constructor %make-interpreted-function
  26  :superclass-name function
  27  :metaclass-name static-classoid
  28  :metaclass-constructor make-static-classoid
  29  :dd-type funcallable-structure
  30  :runtime-type-checks-p nil)
  31
  32 #-sb-xc-host
  33 (progn
  34   (defun make-interpreted-function
  35       (&key name lambda-list env declarations documentation body source-location)
  36     (let ((function (%make-interpreted-function
  37                      name lambda-list env declarations documentation body
  38                      source-location)))
  39       (setf (sb!kernel:funcallable-instance-fun function)
  40             #'(lambda (&rest args)
  41                 (interpreted-apply function args)))
  42       function))
  43
  44   (defun interpreted-function-p (function)
  45     (typep function 'interpreted-function))
  46
  47   (sb!int:def!method print-object ((obj interpreted-function) stream)
  48     (print-unreadable-object (obj stream
  49                               :identity (not (interpreted-function-name obj)))
  50       (format stream "~A ~A" '#:interpreted-function
  51               (interpreted-function-name obj)))))