X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Ftarget-extensions.lisp;h=625c514c515f4a773a24fb5d96a39548a54e0291;hb=5bad55941fafc315116f6fcf2c8c2cce8af7ed9a;hp=b80eb8d41bb5dfd33cdca72aef8b47782d5ac65a;hpb=204f2fa9771ad9e55718dc76205afec7d11b3011;p=sbcl.git diff --git a/src/code/target-extensions.lisp b/src/code/target-extensions.lisp index b80eb8d..625c514 100644 --- a/src/code/target-extensions.lisp +++ b/src/code/target-extensions.lisp @@ -17,31 +17,30 @@ (in-package "SB!IMPL") -;;;; 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.") + ;;; 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))) ((null char) nil) - (cond ((not (whitespace-char-p char)) + (cond ((not (whitespacep char)) (unread-char char stream) (return t))))) @@ -63,29 +62,3 @@ :format-control "~@<~A: ~2I~_~A~:>" :format-arguments (list prefix-string (strerror errno)) other-condition-args)) - -;;;; optimization idioms - -(eval-when (:compile-toplevel :load-toplevel :execute) - - ;; Byte compile this thing if possible. - (defvar *optimize-byte-compilation* - '(optimize (speed 0) (safety 1))) - - ;; This thing is externally visible, so compiling meta-information - ;; is more important than byte-compiling it; but it's otherwise - ;; suitable for byte-compilation. - ;; - ;; (As long as the byte compiler isn't capable of compiling - ;; meta-information such as the argument list required by functions - ;; (as in sbcl-0.6.12, anyway), it's not suitable for compiling - ;; externally visible things like CL:INSPECT even if their speed - ;; requirements are small enough that it'd otherwise be OK. If some - ;; later version of the byte compiler learns to compile such - ;; meta-information, we'll probably change the implementation of - ;; this idiom so that it causes byte compilation of the thing after - ;; all.) - (defvar *optimize-external-despite-byte-compilation* - '(optimize (speed 1) - ;; still might as well be as small as possible.. - (space 3))))