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common-lisp.lisp
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common-lisp.lisp
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(in-package :info.read-eval-print.editor)
(define-mode common-lisp-mode () ())
(add-auto-mode-alist 'common-lisp-mode "\\.lisp$")
(define-command indent :in common-lisp-mode ()
(funcall (read-from-string "INFO.READ-EVAL-PRINT.EDITOR.COMMON-LISP.INDENT:INDENT-LINE")
(point)))
(defun iter-forward-sexp (iter &optional (count 1))
(iter-forward-skip-whitespace iter)
(dotimes (i count)
(let ((char (gtk:text-iter-char iter)))
(cond ((char= #\( char)
(loop with level = 1
for i = (gtk:text-iter-move iter)
for c = (gtk:text-iter-char iter)
until (or (zerop level) (gtk:text-iter-is-end iter))
if (char= #\( c)
do (incf level)
else if (char= #\) c)
do (decf level)))
((char= #\) char)
(gtk:text-iter-move iter))
(t (loop until (or (gtk:text-iter-is-end iter)
(whitespace-p (gtk:text-iter-char iter)))
do (gtk:text-iter-move iter)))))
(iter-forward-skip-whitespace iter)))
(defun iter-end-of-sexp (iter &optional (count 1))
(dotimes (i count)
(gtk:text-iter-move iter)
(iter-forward-skip-whitespace iter)
(let ((char (gtk:text-iter-char iter)))
(cond ((char= #\( char)
(loop with level = 1
for i = (gtk:text-iter-move iter)
for c = (gtk:text-iter-char iter)
until (or (zerop level) (gtk:text-iter-is-end iter))
if (char= #\( c)
do (incf level)
else if (char= #\) c)
do (decf level)))
((char= #\) char))
(t (loop until (gtk:text-iter-is-end iter)
until (and (whitespace-p (gtk:text-iter-char iter))
(progn
(gtk:text-iter-move iter :direction :backward)
t))
do (gtk:text-iter-move iter)))))))
(defun iter-backward-sexp (iter &optional (count 1))
(dotimes (i count)
(gtk:text-iter-move iter :direction :backward)
(iter-backward-skip-whitespace iter)
(let ((char (gtk:text-iter-char iter)))
(cond ((char= #\) char)
(loop with level = 1
for i = (gtk:text-iter-move iter :direction :backward)
for c = (gtk:text-iter-char iter)
if (char= #\) c)
do (incf level)
else if (char= #\( c)
do (decf level)
until (or (zerop level) (gtk:text-iter-is-start iter))))
((char= #\( char))
(t (loop for c = (gtk:text-iter-char iter)
until (gtk:text-iter-is-start iter)
until (and (or (whitespace-p c)
(char= #\( c)
(char= #\) c))
(progn (gtk:text-iter-move iter)
t))
do (gtk:text-iter-move iter :direction :backward)))))))
(defun last-sexp (buffer)
(let ((start (iter-at-mark buffer))
(end (iter-at-mark buffer)))
(iter-backward-sexp start)
(iter-forward-sexp end)
(buffer-insert buffer (prin1-to-string (eval (read-from-string (slice buffer start end)))))))
(defun iter-up-list (iter)
(unless (gtk:text-iter-is-start iter)
(gtk:text-iter-move iter :direction :backward)
(unless (char= #\( (gtk:text-iter-char iter))
(iter-backward-sexp iter)
(iter-up-list iter))))
(defun iter-down-list (iter)
(unless (gtk:text-iter-is-end iter)
(gtk:text-iter-move iter)
(unless (char= #\( (gtk:text-iter-char iter))
(iter-down-list iter))))
(define-command eval-last-sexp ()
(last-sexp *buffer*))
(define-command forward-sexp (&optional (count *digit-argument*))
(let ((iter (iter-at-mark *buffer*)))
(iter-forward-sexp iter count )
(update-cursor *buffer* iter)))
(define-command backward-sexp (&optional (count *digit-argument*))
(let ((iter (iter-at-mark *buffer*)))
(iter-backward-sexp iter count)
(update-cursor *buffer* iter)))
(define-command end-of-sexp (&optional (count *digit-argument*))
(let ((iter (iter-at-mark *buffer*)))
(iter-end-of-sexp iter count)
(update-cursor *buffer* iter)))
(define-command up-list (&optional (count *digit-argument*))
(let ((iter (iter-at-mark *buffer*)))
(loop repeat count do (iter-up-list iter))
(update-cursor *buffer* iter)))
(define-command-alias up-list backward-up-list)
(define-command down-list (&optional (count *digit-argument*))
(let ((iter (iter-at-mark *buffer*)))
(dotimes (i count)
(iter-down-list iter))
(update-cursor *buffer* iter)))
(define-command beginning-of-defun ()
(let ((iter (iter-at-mark *buffer*)))
(multiple-value-bind (p s e) (gtk:text-iter-search iter "(defun" :direction :backward)
(declare (ignore e))
(when p
(update-cursor *buffer* s)))))
(defun search-buffer-package ()
(let ((re "^\\((cl:\\|common-lisp:)?in-package\\b[ \\t']*([^\\)]+)[ \\t]*\\)"))
(when (or (re-search-backward re)
(re-search-forward re))
(match-string-no-properties 2))))
(define-command current-package ()
(or (ignore-errors (find-package (string-upcase (search-buffer-package))))
(find-package :cl-user)))
(define-command defun-at-point ()
(save-excursion
(beginning-of-defun)
(let ((start (point)))
(forward-sexp)
(let ((end (point)))
(quek:p start end)
(info.read-eval-print.editor.command:buffer-substring-no-properties start end)))))
(define-command eval-defun ()
(let ((defun-form (defun-at-point))
(*package* (current-package)))
(handler-case (message (eval (read-from-string defun-form)))
(error (e)
(open-info-frame (format nil "(in-package :~a)~%~%~a~%~%~a"
(string-downcase (package-name *package*))
defun-form
e))))))
(define-command compile-and-load-file ()
(open-info-frame
(with-output-to-string (*standard-output*)
(let ((*error-output* *standard-output*))
(load (compile-file (file-of *buffer*)))))))
(defun symbol-at-point ()
(save-excursion
(let ((start (iter-at-mark *buffer*))
(end (iter-at-mark *buffer*)))
(iter-backward-sexp start)
(gtk:text-buffer-slice *buffer* start end))))
(define-command complete-symbol ()
(let* ((symbol (symbol-at-point))
(swank::*buffer-package* (find-package (or (search-buffer-package) *package*)))
(symbols (car (swank:fuzzy-completions symbol swank::*buffer-package*))))
(if (len=1 symbols)
(progn
(let ((end (iter-at-mark *buffer*))
(start (iter-at-mark *buffer*)))
(iter-backward-sexp start)
(gtk:text-buffer-delete *buffer* start end)
(buffer-insert *buffer* (caar symbols)))
(disable-mode (mode-of *buffer*) 'common-lisp-complete-mode)
(close-info-frame))
(let ((max-width (collect-max (length (car (scan symbols))))))
(open-info-frame (with-output-to-string (out)
(iterate ((x (scan symbols)))
(format out "~va ~a~%" max-width (car x) (cadddr x)))))
(enable-mode (mode-of *buffer*) 'common-lisp-complete-mode)))))
(define-command indent-and-complete-symbol ()
(indent)
(complete-symbol))
(loop for (mode keyseq command)
in `((:normal (:meta #\h) backward-sexp)
(:insert (:meta #\h) backward-sexp)
(:normal (:meta #\j) down-list)
(:insert (:meta #\j) down-list)
(:normal (:meta #\k) up-list)
(:insert (:meta #\k) up-list)
(:normal (:meta #\l) forward-sexp)
(:insert (:meta #\l) forward-sexp)
(:normal (:meta #\e) eval-last-sexp)
(:insert (:meta #\e) eval-last-sexp)
(:normal (:meta #\x) eval-defun)
(:insert (:meta #\x) eval-defun)
(:normal (:meta #\k) compile-and-load-file)
(:insert (:control #\i) indent-and-complete-symbol)
(:insert (#\Tab) indent)
(:insert (:control #\m) newline-and-indent)
(:insert (#\Return) newline-and-indent))
do (set-key *common-lisp-mode-map* mode keyseq command))
(define-mode common-lisp-complete-mode () ())
(define-layered-method self-insert-command :in common-lisp-complete-mode :after (char)
(print "#$#@$#@$!$!$!@$#@$!")
(when (member char '(#\Space #\( #\) #\Return)
:test #'char=)
(disable-mode (mode-of *buffer*) 'common-lisp-complete-mode)
(close-info-frame)))