;;; of like READ-SEQUENCE specialized for files of (UNSIGNED-BYTE 8),
;;; with an automatic conversion from (UNSIGNED-BYTE 8) into CHARACTER
;;; for each element read
-(declaim (ftype (function (stream simple-string &optional index) (values))
- read-string-as-bytes
- #!+sb-unicode read-string-as-unsigned-byte-32))
(defun read-string-as-bytes (stream string &optional (length (length string)))
- (dotimes (i length)
- (setf (aref string i)
- (sb!xc:code-char (read-byte stream))))
- ;; FIXME: The classic CMU CL code to do this was
- ;; (READ-N-BYTES FILE STRING START END).
- ;; It was changed for SBCL because we needed a portable version for
- ;; bootstrapping. Benchmark the non-portable version and see whether it's
- ;; significantly better than the portable version here. If it is, then use
- ;; it as an alternate definition, protected with #-SB-XC-HOST.
- (values))
+ (declare (type (simple-array character (*)) string)
+ (type index length)
+ (optimize speed))
+ (with-fast-read-byte ((unsigned-byte 8) stream)
+ (dotimes (i length)
+ (setf (aref string i)
+ (sb!xc:code-char (fast-read-byte)))))
+ string)
+(defun read-base-string-as-bytes (stream string &optional (length (length string)))
+ (declare (type (simple-array base-char (*)) string)
+ (type index length)
+ (optimize speed))
+ (with-fast-read-byte ((unsigned-byte 8) stream)
+ (dotimes (i length)
+ (setf (aref string i)
+ (sb!xc:code-char (fast-read-byte)))))
+ string)
#!+sb-unicode
(defun read-string-as-unsigned-byte-32
(stream string &optional (length (length string)))
+ (declare (type (simple-array character (*)) string)
+ (type index length)
+ (optimize speed))
#+sb-xc-host (bug "READ-STRING-AS-UNSIGNED-BYTE-32 called")
- (dotimes (i length)
- (setf (aref string i)
- (let ((code 0))
- (dotimes (k 4 (sb!xc:code-char code))
- (setf code (logior code (ash (read-byte stream)
- (* k sb!vm:n-byte-bits))))))))
- (values))
+ (with-fast-read-byte ((unsigned-byte 8) stream)
+ (dotimes (i length)
+ (setf (aref string i)
+ (sb!xc:code-char (fast-read-u-integer 4)))))
+ string)
\f
;;;; miscellaneous fops
(define-fop (fop-nop 0 :stackp nil))
(define-fop (fop-pop 1 :pushp nil) (push-fop-table (pop-stack)))
-(define-fop (fop-push 2) (svref *current-fop-table* (read-word-arg)))
-(define-fop (fop-byte-push 3) (svref *current-fop-table* (read-byte-arg)))
+(define-fop (fop-push 2) (ref-fop-table (read-word-arg)))
+(define-fop (fop-byte-push 3) (ref-fop-table (read-byte-arg)))
(define-fop (fop-empty-list 4) ())
(define-fop (fop-truth 5) t)
(define-fop (fop-verify-table-size 62 :stackp nil)
(let ((expected-index (read-word-arg)))
- (unless (= *current-fop-table-index* expected-index)
+ (unless (= (get-fop-table-index) expected-index)
(bug "fasl table of improper size"))))
(define-fop (fop-verify-empty-stack 63 :stackp nil)
- (unless (zerop (length *fop-stack*))
+ (unless (fop-stack-empty-p)
(bug "fasl stack not empty when it should be")))
\f
;;;; fops for loading symbols
-(defun fop-intern (smallp package)
- (let ((size (if smallp
- (read-byte-arg)
- (read-word-arg))))
- (when (> size (length *fasl-symbol-buffer*))
- (setq *fasl-symbol-buffer* (make-string (* size 2))))
- (let ((buffer *fasl-symbol-buffer*))
- #+sb-xc-host
- (read-string-as-bytes *fasl-input-stream* buffer size)
- #-sb-xc-host
- (progn
- #!+sb-unicode
- (read-string-as-unsigned-byte-32 *fasl-input-stream* buffer size)
- #!-sb-unicode
- (read-string-as-bytes *fasl-input-stream* buffer size))
- (push-fop-table (without-package-locks
- (intern* buffer
- size
- package))))))
+(defun aux-fop-intern (smallp package)
+ (declare (optimize speed))
+ (let* ((size (if smallp
+ (read-byte-arg)
+ (read-word-arg)))
+ (buffer (make-string size)))
+ #+sb-xc-host
+ (read-string-as-bytes *fasl-input-stream* buffer size)
+ #-sb-xc-host
+ (progn
+ #!+sb-unicode
+ (read-string-as-unsigned-byte-32 *fasl-input-stream* buffer size)
+ #!-sb-unicode
+ (read-string-as-bytes *fasl-input-stream* buffer size))
+ (push-fop-table (without-package-locks
+ (intern* buffer
+ size
+ package
+ :no-copy t)))))
(macrolet ((def (name code smallp package-form)
`(define-fop (,name ,code)
- (fop-intern ,smallp ,package-form))))
+ (aux-fop-intern ,smallp ,package-form))))
(def fop-lisp-symbol-save 75 nil *cl-package*)
(def fop-lisp-small-symbol-save 76 t *cl-package*)
;; FOP-SYMBOL-IN-LAST-PACKAGE-SAVE/FOP-SMALL-SYMBOL-IN-LAST-PACKAGE-SAVE
;; cloned fop pair could undo some of this bloat.
(def fop-symbol-in-package-save 8 nil
- (svref *current-fop-table* (read-word-arg)))
+ (ref-fop-table (read-word-arg)))
(def fop-small-symbol-in-package-save 9 t
- (svref *current-fop-table* (read-word-arg)))
+ (ref-fop-table (read-word-arg)))
(def fop-symbol-in-byte-package-save 10 nil
- (svref *current-fop-table* (read-byte-arg)))
+ (ref-fop-table (read-byte-arg)))
(def fop-small-symbol-in-byte-package-save 11 t
- (svref *current-fop-table* (read-byte-arg))))
+ (ref-fop-table (read-byte-arg))))
(define-cloned-fops (fop-uninterned-symbol-save 12)
(fop-uninterned-small-symbol-save 13)
#+sb-xc-host
(read-string-as-bytes *fasl-input-stream* package-name)
#-sb-xc-host
- (#!-sb-unicode read-string-as-bytes
- #!+sb-unicode read-string-as-unsigned-byte-32
- *fasl-input-stream* package-name)
+ (progn
+ #!-sb-unicode
+ (read-string-as-bytes *fasl-input-stream* package-name)
+ #!+sb-unicode
+ (read-string-as-unsigned-byte-32 *fasl-input-stream* package-name))
(push-fop-table (find-undeleted-package-or-lose package-name))))
\f
;;;; fops for loading numbers
;;; Load a signed integer LENGTH bytes long from *FASL-INPUT-STREAM*.
(defun load-s-integer (length)
- (declare (fixnum length))
- ;; #+cmu (declare (optimize (inhibit-warnings 2)))
- (do* ((index length (1- index))
- (byte 0 (read-byte *fasl-input-stream*))
- (result 0 (+ result (ash byte bits)))
- (bits 0 (+ bits 8)))
- ((= index 0)
- (if (logbitp 7 byte) ; look at sign bit
- (- result (ash 1 bits))
- result))
- (declare (fixnum index byte bits))))
+ (declare (fixnum length)
+ (optimize speed))
+ (with-fast-read-byte ((unsigned-byte 8) *fasl-input-stream*)
+ (do* ((index length (1- index))
+ (byte 0 (fast-read-byte))
+ (result 0 (+ result (ash byte bits)))
+ (bits 0 (+ bits 8)))
+ ((= index 0)
+ (if (logbitp 7 byte) ; look at sign bit
+ (- result (ash 1 bits))
+ result))
+ (declare (fixnum index byte bits)))))
(define-cloned-fops (fop-integer 33) (fop-small-integer 34)
(load-s-integer (clone-arg)))
(define-cloned-fops (fop-base-string 37) (fop-small-base-string 38)
(let* ((arg (clone-arg))
(res (make-string arg :element-type 'base-char)))
- (read-string-as-bytes *fasl-input-stream* res)
+ (read-base-string-as-bytes *fasl-input-stream* res)
res))
#!+sb-unicode
;;;; fops for fixing up circularities
(define-fop (fop-rplaca 200 :pushp nil)
- (let ((obj (svref *current-fop-table* (read-word-arg)))
+ (let ((obj (ref-fop-table (read-word-arg)))
(idx (read-word-arg))
(val (pop-stack)))
(setf (car (nthcdr idx obj)) val)))
(define-fop (fop-rplacd 201 :pushp nil)
- (let ((obj (svref *current-fop-table* (read-word-arg)))
+ (let ((obj (ref-fop-table (read-word-arg)))
(idx (read-word-arg))
(val (pop-stack)))
(setf (cdr (nthcdr idx obj)) val)))
(define-fop (fop-svset 202 :pushp nil)
(let* ((obi (read-word-arg))
- (obj (svref *current-fop-table* obi))
+ (obj (ref-fop-table obi))
(idx (read-word-arg))
(val (pop-stack)))
(if (%instancep obj)
(setf (svref obj idx) val))))
(define-fop (fop-structset 204 :pushp nil)
- (setf (%instance-ref (svref *current-fop-table* (read-word-arg))
+ (setf (%instance-ref (ref-fop-table (read-word-arg))
(read-word-arg))
(pop-stack)))