(defun ansi-stream-listen (stream)
(or (/= (the fixnum (ansi-stream-in-index stream))
+ansi-stream-in-buffer-length+)
- ;; Test for T explicitly since misc methods return :EOF sometimes.
- (eq (funcall (ansi-stream-misc stream) stream :listen) t)))
+ ;; Handle :EOF return from misc methods specially
+ (let ((result (funcall (ansi-stream-misc stream) stream :listen)))
+ (if (eq result :eof)
+ nil
+ result))))
(defun listen (&optional (stream *standard-input*))
(let ((stream (in-synonym-of stream)))
numbytes
eof-error-p))
((<= numbytes num-buffered)
+ #+nil
+ (let ((copy-function (typecase buffer
+ ((simple-array * (*)) #'ub8-bash-copy)
+ (system-area-pointer #'copy-ub8-to-system-area))))
+ (funcall copy-function in-buffer index buffer start numbytes))
(%byte-blt in-buffer index
buffer start (+ start numbytes))
(setf (ansi-stream-in-index stream) (+ index numbytes))
numbytes)
(t
(let ((end (+ start num-buffered)))
- (%byte-blt in-buffer index buffer start end)
+ #+nil
+ (let ((copy-function (typecase buffer
+ ((simple-array * (*)) #'ub8-bash-copy)
+ (system-area-pointer #'copy-ub8-to-system-area))))
+ (funcall copy-function in-buffer index buffer start num-buffered))
+ (%byte-blt in-buffer index buffer start end)
(setf (ansi-stream-in-index stream) +ansi-stream-in-buffer-length+)
(+ (funcall (ansi-stream-n-bin stream)
stream
(- +ansi-stream-in-buffer-length+
+ansi-stream-in-buffer-extra+)
nil))
- (start (- +ansi-stream-in-buffer-length+ count))
- (n-character-array-bytes
- #.(/ (sb!vm:saetp-n-bits
- (find 'character
- sb!vm:*specialized-array-element-type-properties*
- :key #'sb!vm:saetp-specifier))
- sb!vm:n-byte-bits)))
+ (start (- +ansi-stream-in-buffer-length+ count)))
(declare (type index start count))
(cond ((zerop count)
(setf (ansi-stream-in-index stream)
(funcall (ansi-stream-in stream) stream eof-error-p eof-value))
(t
(when (/= start +ansi-stream-in-buffer-extra+)
- (bit-bash-copy ibuf (+ (* +ansi-stream-in-buffer-extra+
- sb!vm:n-byte-bits
- n-character-array-bytes)
- (* sb!vm:vector-data-offset
- sb!vm:n-word-bits))
- ibuf (+ (the index (* start
- sb!vm:n-byte-bits
- n-character-array-bytes))
- (* sb!vm:vector-data-offset
- sb!vm:n-word-bits))
- (* count
- sb!vm:n-byte-bits
- n-character-array-bytes)))
+ (#.(let* ((n-character-array-bits
+ (sb!vm:saetp-n-bits
+ (find 'character
+ sb!vm:*specialized-array-element-type-properties*
+ :key #'sb!vm:saetp-specifier)))
+ (bash-function (intern (format nil "UB~A-BASH-COPY" n-character-array-bits)
+ (find-package "SB!KERNEL"))))
+ bash-function)
+ ibuf +ansi-stream-in-buffer-extra+
+ ibuf start
+ count))
(setf (ansi-stream-in-index stream) (1+ start))
(aref ibuf start)))))
(funcall (ansi-stream-bin stream) stream eof-error-p eof-value))
(t
(unless (zerop start)
- (bit-bash-copy ibuf (* sb!vm:vector-data-offset sb!vm:n-word-bits)
- ibuf (+ (the index (* start sb!vm:n-byte-bits))
- (* sb!vm:vector-data-offset
- sb!vm:n-word-bits))
- (* count sb!vm:n-byte-bits)))
+ (ub8-bash-copy ibuf 0
+ ibuf start
+ count))
(setf (ansi-stream-in-index stream) (1+ start))
(aref ibuf start)))))
\f
(or (/= (the fixnum (ansi-stream-in-index in))
+ansi-stream-in-buffer-length+)
(funcall (ansi-stream-misc in) in :listen))
- (stream-listen in)))
+ (listen in)))
((:finish-output :force-output :clear-output)
(if out-ansi-stream-p
(funcall (ansi-stream-misc out) out operation arg1 arg2)
(aver (= numbytes (+ new-start bytes-read)))
numbytes)))))
\f
-;;;; base STRING-STREAM stuff
-
-(defstruct (string-stream
- (:include ansi-stream)
- (:constructor nil)
- (:copier nil))
- ;; FIXME: This type declaration is true, and will probably continue
- ;; to be true. However, note well the comments in DEFTRANSFORM
- ;; REPLACE, implying that performance of REPLACE is somewhat
- ;; critical to performance of string streams. If (VECTOR CHARACTER)
- ;; ever becomes different from (VECTOR BASE-CHAR), the transform
- ;; probably needs to be extended.
- (string (missing-arg) :type (vector character)))
-\f
;;;; STRING-INPUT-STREAM stuff
(defstruct (string-input-stream
- (:include string-stream
+ (:include ansi-stream
(in #'string-inch)
(bin #'ill-bin)
(n-bin #'ill-bin)
- (misc #'string-in-misc)
- (string (missing-arg) :type simple-string))
+ (misc #'string-in-misc))
(:constructor internal-make-string-input-stream
(string current end))
(:copier nil))
+ (string (missing-arg) :type simple-string)
(current (missing-arg) :type index)
(end (missing-arg) :type index))
(when (plusp copy)
(setf (string-input-stream-current stream)
(truly-the index (+ index copy)))
+ ;; FIXME: why are we VECTOR-SAP'ing things here? what's the point?
+ ;; and are there SB-UNICODE issues here as well? --njf, 2005-03-24
(sb!sys:without-gcing
- (system-area-copy (vector-sap string)
- (* index sb!vm:n-byte-bits)
- (if (typep buffer 'system-area-pointer)
- buffer
- (vector-sap buffer))
- (* start sb!vm:n-byte-bits)
- (* copy sb!vm:n-byte-bits))))
+ (system-area-ub8-copy (vector-sap string)
+ index
+ (if (typep buffer 'system-area-pointer)
+ buffer
+ (vector-sap buffer))
+ start
+ copy)))
(if (and (> requested copy) eof-error-p)
(error 'end-of-file :stream stream)
copy)))
;;;; STRING-OUTPUT-STREAM stuff
(defstruct (string-output-stream
- (:include string-stream
+ (:include ansi-stream
(out #'string-ouch)
(sout #'string-sout)
- (misc #'string-out-misc)
- ;; The string we throw stuff in.
- (string (missing-arg)
- :type (simple-array character (*))))
+ (misc #'string-out-misc))
(:constructor make-string-output-stream
(&key (element-type 'character)
&aux (string (make-string 40))))
(:copier nil))
+ ;; The string we throw stuff in.
+ (string (missing-arg) :type (simple-array character (*)))
;; Index of the next location to use.
(index 0 :type fixnum)
;; Index cache for string-output-stream-last-index
(satisfies array-has-fill-pointer-p)))
(defstruct (fill-pointer-output-stream
- (:include string-stream
+ (:include ansi-stream
(out #'fill-pointer-ouch)
(sout #'fill-pointer-sout)
- (misc #'fill-pointer-misc)
- ;; a string with a fill pointer where we stuff
- ;; the stuff we write
- (string (missing-arg)
- :type string-with-fill-pointer
- :read-only t))
+ (misc #'fill-pointer-misc))
(:constructor make-fill-pointer-output-stream (string))
- (:copier nil)))
+ (:copier nil))
+ ;; a string with a fill pointer where we stuff the stuff we write
+ (string (missing-arg) :type string-with-fill-pointer :read-only t))
(defun fill-pointer-ouch (stream character)
(let* ((buffer (fill-pointer-output-stream-string stream))
(defun case-frob-upcase-out (stream char)
(declare (type case-frob-stream stream)
- (type base-char char))
+ (type character char))
(let ((target (case-frob-stream-target stream))
(char (char-upcase char)))
(if (ansi-stream-p target)
(defun case-frob-downcase-out (stream char)
(declare (type case-frob-stream stream)
- (type base-char char))
+ (type character char))
(let ((target (case-frob-stream-target stream))
(char (char-downcase char)))
(if (ansi-stream-p target)
(defun case-frob-capitalize-out (stream char)
(declare (type case-frob-stream stream)
- (type base-char char))
+ (type character char))
(let ((target (case-frob-stream-target stream)))
(cond ((alphanumericp char)
(let ((char (char-upcase char)))
(defun case-frob-capitalize-aux-out (stream char)
(declare (type case-frob-stream stream)
- (type base-char char))
+ (type character char))
(let ((target (case-frob-stream-target stream)))
(cond ((alphanumericp char)
(let ((char (char-downcase char)))
(defun case-frob-capitalize-first-out (stream char)
(declare (type case-frob-stream stream)
- (type base-char char))
+ (type character char))
(let ((target (case-frob-stream-target stream)))
(cond ((alphanumericp char)
(let ((char (char-upcase char)))
projects / sbcl.git / blobdiff