0.9.2.43:

[sbcl.git] / src / code / target-extensions.lisp

diff --git a/src/code/target-extensions.lisp b/src/code/target-extensions.lisp
index fe2bbfc..87d4446 100644 (file)
--- a/src/code/target-extensions.lisp
+++ b/src/code/target-extensions.lisp
@@ -1,10 +1,10 @@
-;;;; This file contains things for the extensions package which can't
-;;;; be built at cross-compile time, and perhaps also some things
-;;;; which might as well not be built at cross-compile time because
-;;;; they're not needed then. Things which can't be built at
-;;;; cross-compile time (e.g. because they need machinery which only
-;;;; exists inside SBCL's implementation of the LISP package) do not
-;;;; belong in this file.
+;;;; This file contains things for the extensions packages (SB-EXT and
+;;;; also "internal extensions" SB-INT) which can't be built at
+;;;; cross-compile time, and perhaps also some things which might as
+;;;; well not be built at cross-compile time because they're not
+;;;; needed then. Things which can't be built at cross-compile time
+;;;; (e.g. because they need machinery which only exists inside SBCL's
+;;;; implementation of the LISP package) do not belong in this file.
 
 ;;;; This software is part of the SBCL system. See the README file for
 ;;;; more information.
@@ -17,33 +17,32 @@
 
 (in-package "SB!IMPL")
 \f
-;;;; miscellaneous I/O
+;;;; variables initialization and shutdown sequences
 
-;;; INDENTING-FURTHER is a user-level macro which may be used to locally
-;;; increment the indentation of a stream.
-(defmacro indenting-further (stream more &rest body)
+;; (Most of the save-a-core functionality is defined later, in its
+;; own file, but we'd like to have these symbols declared special
+;; and initialized ASAP.)
+(defvar *save-hooks* nil
   #!+sb-doc
-  "Causes the output of the indenting Stream to indent More spaces. More is
-  evaluated twice."
-  `(unwind-protect
-     (progn
-      (incf (sb!impl::indenting-stream-indentation ,stream) ,more)
-      ,@body)
-     (decf (sb!impl::indenting-stream-indentation ,stream) ,more)))
-
-(defun skip-whitespace (&optional (stream *standard-input*))
-  (loop (let ((char (read-char stream)))
-         (unless (sb!impl::whitespacep char)
-           (return (unread-char char stream))))))
+  "This is a list of functions which are called in an unspecified
+order before creating a saved core image. Unused by SBCL itself:
+reserved for user and applications.")
 
+(defvar *init-hooks* nil
+  #!+sb-doc
+  "This is a list of functions which are called in an unspecified
+order when a saved core image starts up, after the system itself has
+been initialized. Unused by SBCL itself: reserved for user and
+applications.")
+\f
 ;;; like LISTEN, but any whitespace in the input stream will be flushed
 (defun listen-skip-whitespace (&optional (stream *standard-input*))
   (do ((char (read-char-no-hang stream nil nil nil)
-            (read-char-no-hang stream nil nil nil)))
+             (read-char-no-hang stream nil nil nil)))
       ((null char) nil)
-    (cond ((not (whitespace-char-p char))
-          (unread-char char stream)
-          (return t)))))
+    (cond ((not (whitespacep char))
+           (unread-char char stream)
+           (return t)))))
 \f
 ;;;; helpers for C library calls
 
@@ -51,15 +50,15 @@
 ;;; errno problem, arranging for the condition's print representation
 ;;; to be similar to the ANSI C perror(3) style.
 (defun simple-perror (prefix-string
-                     &key
-                     (errno (get-errno))
-                     (simple-error 'simple-error)
-                     other-condition-args)
+                      &key
+                      (errno (get-errno))
+                      (simple-error 'simple-error)
+                      other-condition-args)
   (declare (type symbol simple-error))
   (aver (subtypep simple-error 'simple-condition))
   (aver (subtypep simple-error 'error))
   (apply #'error
-        simple-error
-        :format-control "~@<~A: ~2I~_~A~:>"
-        :format-arguments (list prefix-string (strerror errno))
-        other-condition-args))
+         simple-error
+         :format-control "~@<~A: ~2I~_~A~:>"
+         :format-arguments (list prefix-string (strerror errno))
+         other-condition-args))