/[cmucl]/src/hemlock/lispbuf.lisp
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Revision 1.1.1.1 - (hide annotations) (vendor branch)
Fri Jul 13 14:50:47 1990 UTC (23 years, 9 months ago) by ram
Changes since 1.1: +3 -4 lines
*** empty log message ***
1 ram 1.1 ;;; -*- Log: hemlock.log; Package: Hemlock -*-
2     ;;;
3     ;;; **********************************************************************
4     ;;; This code was written as part of the Spice Lisp project at
5     ;;; Carnegie-Mellon University, and has been placed in the public domain.
6     ;;; Spice Lisp is currently incomplete and under active development.
7     ;;; If you want to use this code or any part of Spice Lisp, please contact
8     ;;; Scott Fahlman (FAHLMAN@CMUC).
9     ;;; **********************************************************************
10     ;;;
11     ;;; Stuff to do a little lisp hacking in the editor's Lisp environment.
12     ;;;
13    
14     (in-package "HEMLOCK")
15    
16    
17     (defmacro in-lisp (&body body)
18     "Evaluates body inside HANDLE-LISP-ERRORS. *package* is bound to the package
19     named by \"Current Package\" if it is non-nil."
20     (let ((name (gensym)) (package (gensym)))
21     `(handle-lisp-errors
22     (let* ((,name (value current-package))
23     (,package (and ,name (find-package ,name))))
24     (progv (if ,package '(*package*)) (if ,package (list ,package))
25     ,@body)))))
26    
27    
28     (define-file-option "Package" (buffer value)
29     (defhvar "Current Package"
30     "The package used for evaluation of Lisp in this buffer."
31     :buffer buffer
32     :value
33     (let* ((eof (list nil))
34     (thing (read-from-string value nil eof)))
35     (when (eq thing eof) (error "Bad package file option value."))
36     (cond
37     ((stringp thing)
38     thing)
39     ((symbolp thing)
40     (symbol-name thing))
41     ((and (characterp thing) (string-char-p thing))
42     (string thing))
43     (t
44     (message
45     "Ignoring \"package\" file option -- cannot convert to a string."))))))
46    
47    
48     ;;;; Eval Mode Interaction.
49    
50     (proclaim '(special * ** *** - + ++ +++ / // /// *prompt*))
51    
52     (defun setup-eval-mode (buffer)
53     (let ((point (buffer-point buffer)))
54     (setf (buffer-minor-mode buffer "Eval") t)
55     (setf (buffer-minor-mode buffer "Editor") t)
56     (setf (buffer-major-mode buffer) "Lisp")
57     (buffer-end point)
58     (defhvar "Current Package"
59     "This variable holds the name of the package currently used for Lisp
60     evaluation and compilation. If it is Nil, the value of *Package* is used
61     instead."
62     :value nil
63     :buffer buffer)
64     (unless (hemlock-bound-p 'buffer-input-mark :buffer buffer)
65     (defhvar "Buffer Input Mark"
66     "Mark used for Eval Mode input."
67     :buffer buffer
68     :value (copy-mark point :right-inserting))
69     (defhvar "Eval Output Stream"
70     "Output stream used for Eval Mode output in this buffer."
71     :buffer buffer
72     :value (make-hemlock-output-stream point))
73     (defhvar "Interactive History"
74     "A ring of the regions input to an interactive mode (Eval or Typescript)."
75     :buffer buffer
76     :value (make-ring (value interactive-history-length)))
77     (defhvar "Interactive Pointer"
78     "Pointer into \"Interactive History\"."
79     :buffer buffer
80     :value 0)
81     (defhvar "Searching Interactive Pointer"
82     "Pointer into \"Interactive History\"."
83     :buffer buffer
84     :value 0))
85     (let ((*standard-output*
86     (variable-value 'eval-output-stream :buffer buffer)))
87     (fresh-line)
88     (princ (if (functionp *prompt*)
89     (funcall *prompt*)
90     *prompt*)))
91     (move-mark (variable-value 'buffer-input-mark :buffer buffer) point)))
92    
93     (defmode "Eval" :major-p nil :setup-function #'setup-eval-mode)
94    
95     (defun eval-mode-lisp-mode-hook (buffer on)
96     "Turn on Lisp mode when we go into Eval Mode."
97     (when on
98     (setf (buffer-major-mode buffer) "Lisp")))
99     ;;;
100     (add-hook eval-mode-hook 'eval-mode-lisp-mode-hook)
101    
102     (defhvar "Editor Definition Info"
103     "When this is non-nil, the editor Lisp is used to determine definition
104     editing information; otherwise, the slave Lisp is used."
105     :value t
106     :mode "Eval")
107    
108    
109     (defvar *selected-eval-buffer* nil)
110    
111     (defcommand "Select Eval Buffer" (p)
112     "Goto buffer in \"Eval\" mode, creating one if necessary."
113     "Goto buffer in \"Eval\" mode, creating one if necessary."
114     (declare (ignore p))
115     (unless *selected-eval-buffer*
116     (when (getstring "Eval" *buffer-names*)
117     (editor-error "There is already a buffer named \"Eval\"!"))
118     (setf *selected-eval-buffer*
119     (make-buffer "Eval"
120     :delete-hook
121     (list #'(lambda (buf)
122     (declare (ignore buf))
123     (setf *selected-eval-buffer* nil)))))
124     (setf (buffer-minor-mode *selected-eval-buffer* "Eval") t))
125     (change-to-buffer *selected-eval-buffer*))
126    
127    
128     (defvar lispbuf-eof '(nil))
129    
130     (defhvar "Unwedge Interactive Input Confirm"
131     "When set (the default), trying to confirm interactive input when the
132     point is not after the input mark causes Hemlock to ask the user if he
133     needs to be unwedged. When not set, an editor error is signaled
134     informing the user that the point is before the input mark."
135     :value t)
136    
137     (defun unwedge-eval-buffer ()
138     (abort-eval-input-command nil))
139    
140     (defhvar "Unwedge Interactive Input Fun"
141     "Function to call when input is confirmed, but the point is not past the
142     input mark."
143     :value #'unwedge-eval-buffer
144     :mode "Eval")
145    
146     (defhvar "Unwedge Interactive Input String"
147     "String to add to \"Point not past input mark. \" explaining what will
148     happen if the the user chooses to be unwedged."
149     :value "Prompt again at the end of the buffer? "
150     :mode "Eval")
151    
152     (defcommand "Confirm Eval Input" (p)
153     "Evaluate Eval Mode input between point and last prompt."
154     "Evaluate Eval Mode input between point and last prompt."
155     (declare (ignore p))
156     (let ((input-region (get-interactive-input)))
157     (when input-region
158     (let* ((output (value eval-output-stream))
159     (*standard-output* output)
160     (*error-output* output)
161     (*trace-output* output))
162     (fresh-line)
163     (in-lisp
164     ;; Copy the region to keep the output and input streams from interacting
165     ;; since input-region is made of permanent marks into the buffer.
166     (with-input-from-region (stream (copy-region input-region))
167     (loop
168     (let ((form (read stream nil lispbuf-eof)))
169     (when (eq form lispbuf-eof)
170     ;; Move the buffer's input mark to the end of the buffer.
171     (move-mark (region-start input-region)
172     (region-end input-region))
173     (return))
174     (setq +++ ++ ++ + + - - form)
175     (let ((this-eval (multiple-value-list (eval form))))
176     (fresh-line)
177     (dolist (x this-eval) (prin1 x) (terpri))
178     (princ (if (functionp *prompt*)
179     (funcall *prompt*)
180     *prompt*))
181     (setq /// // // / / this-eval)
182     (setq *** ** ** * * (car this-eval)))))))))))
183    
184     (defcommand "Abort Eval Input" (p)
185     "Move to the end of the buffer and prompt."
186     "Move to the end of the buffer and prompt."
187     (declare (ignore p))
188     (let ((point (current-point)))
189     (buffer-end point)
190     (insert-character point #\newline)
191     (insert-string point "Aborted.")
192     (insert-character point #\newline)
193     (insert-string point
194     (if (functionp *prompt*)
195     (funcall *prompt*)
196     *prompt*))
197     (move-mark (value buffer-input-mark) point)))
198    
199    
200    
201     ;;;; General interactive commands used in eval and typescript buffers.
202    
203     (defun get-interactive-input ()
204     "Tries to return a region. When the point is not past the input mark, and
205     the user has \"Unwedge Interactive Input Confirm\" set, the buffer is
206     optionally fixed up, and nil is returned. Otherwise, an editor error is
207     signalled. When a region is returned, the start is the current buffer's
208     input mark, and the end is the current point moved to the end of the buffer."
209     (let ((point (current-point))
210     (mark (value buffer-input-mark)))
211     (cond
212     ((mark>= point mark)
213     (buffer-end point)
214     (let* ((input-region (region mark point))
215     (string (region-to-string input-region))
216     (ring (value interactive-history)))
217     (when (and (or (zerop (ring-length ring))
218     (string/= string (region-to-string (ring-ref ring 0))))
219     (> (length string) (value minimum-interactive-input-length)))
220     (ring-push (copy-region input-region) ring))
221     input-region))
222     ((value unwedge-interactive-input-confirm)
223     (beep)
224     (when (prompt-for-y-or-n
225     :prompt (concatenate 'simple-string
226     "Point not past input mark. "
227     (value unwedge-interactive-input-string))
228     :must-exist t :default t :default-string "yes")
229     (funcall (value unwedge-interactive-input-fun))
230     (message "Unwedged."))
231     nil)
232     (t
233     (editor-error "Point not past input mark.")))))
234    
235     (defhvar "Interactive History Length"
236     "This is the length used for the history ring in interactive buffers.
237     It must be set before turning on the mode."
238     :value 10)
239    
240     (defhvar "Minimum Interactive Input Length"
241     "When the number of characters in an interactive buffer exceeds this value,
242     it is pushed onto the interactive history, otherwise it is lost forever."
243     :value 2)
244    
245    
246     (defvar *previous-input-search-string* "ignore")
247    
248     (defvar *previous-input-search-pattern*
249     ;; Give it a bogus string since you can't give it the empty string.
250     (new-search-pattern :string-insensitive :forward "ignore"))
251    
252     (defun get-previous-input-search-pattern (string)
253     (if (string= *previous-input-search-string* string)
254     *previous-input-search-pattern*
255     (new-search-pattern :string-insensitive :forward
256     (setf *previous-input-search-string* string)
257     *previous-input-search-pattern*)))
258    
259     (defcommand "Search Previous Interactive Input" (p)
260     "Search backward through the interactive history using the current input as
261     a search string. Consecutive invocations repeat the previous search."
262     "Search backward through the interactive history using the current input as
263     a search string. Consecutive invocations repeat the previous search."
264     (declare (ignore p))
265     (let* ((mark (value buffer-input-mark))
266     (ring (value interactive-history))
267     (point (current-point))
268     (just-invoked (eq (last-command-type) :searching-interactive-input)))
269     (when (mark<= point mark)
270     (editor-error "Point not past input mark."))
271     (when (zerop (ring-length ring))
272     (editor-error "No previous input in this buffer."))
273     (unless just-invoked
274     (get-previous-input-search-pattern (region-to-string (region mark point))))
275     (let ((found-it (find-previous-input ring just-invoked)))
276     (unless found-it
277     (editor-error "Couldn't find ~a." *previous-input-search-string*))
278     (delete-region (region mark point))
279     (insert-region point (ring-ref ring found-it))
280     (setf (value searching-interactive-pointer) found-it))
281     (setf (last-command-type) :searching-interactive-input)))
282    
283     (defun find-previous-input (ring againp)
284     (let ((ring-length (ring-length ring))
285     (base (if againp
286     (+ (value searching-interactive-pointer) 1)
287     0)))
288     (loop
289     (when (= base ring-length)
290     (if againp
291     (setf base 0)
292     (return nil)))
293     (with-mark ((m (region-start (ring-ref ring base))))
294     (when (find-pattern m *previous-input-search-pattern*)
295     (return base)))
296     (incf base))))
297    
298     (defcommand "Previous Interactive Input" (p)
299     "Insert the previous input in an interactive mode (Eval or Typescript).
300     If repeated, keep rotating the history. With prefix argument, rotate
301     that many times."
302     "Pop the *interactive-history* at the point."
303     (let* ((point (current-point))
304     (mark (value buffer-input-mark))
305     (ring (value interactive-history))
306     (length (ring-length ring))
307     (p (or p 1)))
308     (when (or (mark< point mark) (zerop length)) (editor-error))
309     (cond
310     ((eq (last-command-type) :interactive-history)
311     (let ((base (mod (+ (value interactive-pointer) p) length)))
312     (delete-region (region mark point))
313     (insert-region point (ring-ref ring base))
314     (setf (value interactive-pointer) base)))
315     (t
316     (let ((base (mod (if (minusp p) p (1- p)) length))
317     (region (delete-and-save-region (region mark point))))
318     (insert-region point (ring-ref ring base))
319     (when (mark/= (region-start region) (region-end region))
320     (ring-push region ring)
321     (incf base))
322     (setf (value interactive-pointer) base)))))
323     (setf (last-command-type) :interactive-history))
324    
325     (defcommand "Next Interactive Input" (p)
326     "Rotate the interactive history backwards. The region is left around the
327     inserted text. With prefix argument, rotate that many times."
328     "Call previous-interactive-input-command with negated arg."
329     (previous-interactive-input-command (- (or p 1))))
330    
331     (defcommand "Kill Interactive Input" (p)
332     "Kill any input to an interactive mode (Eval or Typescript)."
333     "Kill any input to an interactive mode (Eval or Typescript)."
334     (declare (ignore p))
335     (let ((point (buffer-point (current-buffer)))
336     (mark (value buffer-input-mark)))
337     (when (mark< point mark) (editor-error))
338     (kill-region (region mark point) :kill-backward)))
339    
340     (defcommand "Interactive Beginning of Line" (p)
341     "If on line with current prompt, go to after it, otherwise do what
342     \"Beginning of Line\" always does."
343     "Go to after prompt when on prompt line."
344     (let ((mark (value buffer-input-mark))
345     (point (current-point)))
346     (if (and (same-line-p point mark) (or (not p) (= p 1)))
347     (move-mark point mark)
348     (beginning-of-line-command p))))
349    
350     (defcommand "Reenter Interactive Input" (p)
351     "Copies the form to the left of point to be after the interactive buffer's
352     input mark. When the current region is active, it is copied instead."
353     "Copies the form to the left of point to be after the interactive buffer's
354     input mark. When the current region is active, it is copied instead."
355     (declare (ignore p))
356     (unless (hemlock-bound-p 'buffer-input-mark)
357     (editor-error "Not in an interactive buffer."))
358     (let ((point (current-point)))
359     (let ((region (if (region-active-p)
360     ;; Copy this, so moving point doesn't affect the region.
361     (copy-region (current-region))
362     (with-mark ((start point)
363     (end point))
364     (pre-command-parse-check start)
365     (unless (form-offset start -1)
366     (editor-error "Not after complete form."))
367     (region (copy-mark start) (copy-mark end))))))
368     (buffer-end point)
369     (push-buffer-mark (copy-mark point))
370     (insert-region point region)
371     (setf (last-command-type) :ephemerally-active))))
372    
373    
374    
375     ;;; Other stuff.
376    
377     (defmode "Editor")
378    
379     (defcommand "Editor Mode" (p)
380     "Turn on \"Editor\" mode in the current buffer. If it is already on, turn it
381     off. When in editor mode, most lisp compilation and evaluation commands
382     manipulate the editor process instead of the current eval server."
383     "Toggle \"Editor\" mode in the current buffer."
384     (declare (ignore p))
385     (setf (buffer-minor-mode (current-buffer) "Editor")
386     (not (buffer-minor-mode (current-buffer) "Editor"))))
387    
388     (define-file-option "Editor" (buffer value)
389     (declare (ignore value))
390     (setf (buffer-minor-mode buffer "Editor") t))
391    
392     (defhvar "Editor Definition Info"
393     "When this is non-nil, the editor Lisp is used to determine definition
394     editing information; otherwise, the slave Lisp is used."
395     :value t
396     :mode "Editor")
397    
398     (defcommand "Editor Compile Defun" (p)
399     "Compiles the current or next top-level form in the editor Lisp.
400     First the form is evaluated, then the result of this evaluation
401     is passed to compile. If the current region is active, this
402     compiles the region."
403     "Evaluates the current or next top-level form in the editor Lisp."
404     (declare (ignore p))
405     (if (region-active-p)
406     (editor-compile-region (current-region))
407     (editor-compile-region (defun-region (current-point)) t)))
408    
409     (defcommand "Editor Compile Region" (p)
410     "Compiles lisp forms between the point and the mark in the editor Lisp."
411     "Compiles lisp forms between the point and the mark in the editor Lisp."
412     (declare (ignore p))
413     (editor-compile-region (current-region)))
414    
415     (defun defun-region (mark)
416     "This returns a region around the current or next defun with respect to mark.
417     Mark is not used to form the region. If there is no appropriate top level
418     form, this signals an editor-error. This calls PRE-COMMAND-PARSE-CHECK."
419     (with-mark ((start mark)
420     (end mark))
421     (pre-command-parse-check start)
422     (cond ((not (mark-top-level-form start end))
423     (editor-error "No current or next top level form."))
424     (t (region start end)))))
425    
426     (defun editor-compile-region (region &optional quiet)
427     (unless quiet (message "Compiling region ..."))
428     (in-lisp
429     (with-input-from-region (stream region)
430     (with-pop-up-display (*error-output* :height 19)
431 ram 1.1.1.1 (c::compile-from-stream stream
432     :defined-from-pathname
433     (buffer-pathname (current-buffer)))))))
434 ram 1.1
435    
436     (defcommand "Editor Evaluate Defun" (p)
437     "Evaluates the current or next top-level form in the editor Lisp.
438     If the current region is active, this evaluates the region."
439     "Evaluates the current or next top-level form in the editor Lisp."
440     (declare (ignore p))
441     (if (region-active-p)
442     (editor-evaluate-region-command nil)
443     (with-input-from-region (stream (defun-region (current-point)))
444     (clear-echo-area)
445     (in-lisp
446     (message "Editor Evaluation returned ~S"
447     (eval (read stream)))))))
448    
449     (defcommand "Editor Evaluate Region" (p)
450     "Evaluates lisp forms between the point and the mark in the editor Lisp."
451     "Evaluates lisp forms between the point and the mark in the editor Lisp."
452     (declare (ignore p))
453     (with-input-from-region (stream (current-region))
454     (clear-echo-area)
455     (write-string "Evaluating region in the editor ..." *echo-area-stream*)
456     (finish-output *echo-area-stream*)
457     (in-lisp
458     (do ((object (read stream nil lispbuf-eof)
459     (read stream nil lispbuf-eof)))
460     ((eq object lispbuf-eof))
461     (eval object)))
462     (message "Evaluation complete.")))
463    
464     (defcommand "Editor Re-evaluate Defvar" (p)
465     "Evaluate the current or next top-level form if it is a DEFVAR. Treat the
466     form as if the variable is not bound. This occurs in the editor Lisp."
467     "Evaluate the current or next top-level form if it is a DEFVAR. Treat the
468     form as if the variable is not bound. This occurs in the editor Lisp."
469     (declare (ignore p))
470     (with-input-from-region (stream (defun-region (current-point)))
471     (clear-echo-area)
472     (in-lisp
473     (let ((form (read stream)))
474     (unless (eq (car form) 'defvar) (editor-error "Not a DEFVAR."))
475     (makunbound (cadr form))
476     (message "Evaluation returned ~S" (eval form))))))
477    
478     (defcommand "Editor Macroexpand Expression" (p)
479     "Show the macroexpansion of the current expression in the null environment.
480     With an argument, use MACROEXPAND instead of MACROEXPAND-1."
481     "Show the macroexpansion of the current expression in the null environment.
482     With an argument, use MACROEXPAND instead of MACROEXPAND-1."
483     (let ((point (buffer-point (current-buffer))))
484     (with-mark ((start point))
485     (pre-command-parse-check start)
486     (with-mark ((end start))
487     (unless (form-offset end 1) (editor-error))
488     (in-lisp
489     (with-pop-up-display (rts)
490     (write-string (with-input-from-region (s (region start end))
491     (prin1-to-string (funcall (if p
492     'macroexpand
493     'macroexpand-1)
494     (read s))))
495     rts)))))))
496    
497     (defcommand "Editor Evaluate Expression" (p)
498     "Prompt for an expression to evaluate in the editor Lisp."
499     "Prompt for an expression to evaluate in the editor Lisp."
500     (declare (ignore p))
501     (in-lisp
502     (multiple-value-call #'message "=> ~@{~#[~;~S~:;~S, ~]~}"
503     (eval (prompt-for-expression
504     :prompt "Editor Eval: "
505     :help "Expression to evaluate")))))
506    
507     (defcommand "Editor Evaluate Buffer" (p)
508     "Evaluates the text in the current buffer in the editor Lisp."
509     "Evaluates the text in the current buffer redirecting *Standard-Output* to
510     the echo area. This occurs in the editor Lisp. The prefix argument is
511     ignored."
512     (declare (ignore p))
513     (clear-echo-area)
514     (write-string "Evaluating buffer in the editor ..." *echo-area-stream*)
515     (finish-output *echo-area-stream*)
516     (with-input-from-region (stream (buffer-region (current-buffer)))
517     (let ((*standard-output* *echo-area-stream*))
518     (in-lisp
519     (do ((object (read stream nil lispbuf-eof)
520     (read stream nil lispbuf-eof)))
521     ((eq object lispbuf-eof))
522     (eval object))))
523     (message "Evaluation complete.")))
524    
525    
526    
527     ;;; With-Output-To-Window -- Internal
528     ;;;
529     ;;;
530     (defmacro with-output-to-window ((stream name) &body forms)
531     "With-Output-To-Window (Stream Name) {Form}*
532     Bind Stream to a stream that writes into the buffer named Name a la
533     With-Output-To-Mark. The buffer is created if it does not exist already
534     and a window is created to display the buffer if it is not displayed.
535     For the duration of the evaluation this window is made the current window."
536     (let ((nam (gensym)) (buffer (gensym)) (point (gensym))
537     (window (gensym)) (old-window (gensym)))
538     `(let* ((,nam ,name)
539     (,buffer (or (getstring ,nam *buffer-names*) (make-buffer ,nam)))
540     (,point (buffer-end (buffer-point ,buffer)))
541     (,window (or (car (buffer-windows ,buffer)) (make-window ,point)))
542     (,old-window (current-window)))
543     (unwind-protect
544     (progn (setf (current-window) ,window)
545     (buffer-end ,point)
546     (with-output-to-mark (,stream ,point) ,@forms))
547     (setf (current-window) ,old-window)))))
548    
549     (defcommand "Editor Compile File" (p)
550     "Prompts for file to compile in the editor Lisp. Does not compare source
551     and binary write dates. Does not check any buffer for that file for
552     whether the buffer needs to be saved."
553     "Prompts for file to compile."
554     (declare (ignore p))
555     (let ((pn (prompt-for-file :default
556     (buffer-default-pathname (current-buffer))
557     :prompt "File to compile: ")))
558     (with-output-to-window (*error-output* "Compiler Warnings")
559     (in-lisp (compile-file (namestring pn) :error-file nil)))))
560    
561     (defcommand "Editor Compile Buffer File" (p)
562     "Compile the file in the current buffer in the editor Lisp if its associated
563     binary file (of type .fasl) is older than the source or doesn't exist. When
564     the binary file is up to date, the user is asked if the source should be
565     compiled anyway. When the prefix argument is supplied, compile the file
566     without checking the binary file. When \"Compile Buffer File Confirm\" is
567     set, this command will ask for confirmation when it otherwise would not."
568     "Compile the file in the current buffer in the editor Lisp if the fasl file
569     isn't up to date. When p, always do it."
570     (let* ((buf (current-buffer))
571     (pn (buffer-pathname buf)))
572     (unless pn (editor-error "Buffer has no associated pathname."))
573     (cond ((buffer-modified buf)
574     (when (or (not (value compile-buffer-file-confirm))
575     (prompt-for-y-or-n
576     :default t :default-string "Y"
577     :prompt (list "Save and compile file ~A? "
578     (namestring pn))))
579     (write-buffer-file buf pn)
580     (with-output-to-window (*error-output* "Compiler Warnings")
581     (in-lisp (compile-file (namestring pn) :error-file nil)))))
582     ((older-or-non-existent-fasl-p pn p)
583     (when (or (not (value compile-buffer-file-confirm))
584     (prompt-for-y-or-n
585     :default t :default-string "Y"
586     :prompt (list "Compile file ~A? " (namestring pn))))
587     (with-output-to-window (*error-output* "Compiler Warnings")
588     (in-lisp (compile-file (namestring pn) :error-file nil)))))
589     (t (when (or p
590     (prompt-for-y-or-n
591     :default t :default-string "Y"
592     :prompt
593     "Fasl file up to date, compile source anyway? "))
594     (with-output-to-window (*error-output* "Compiler Warnings")
595     (in-lisp (compile-file (namestring pn) :error-file nil))))))))
596    
597     (defcommand "Editor Compile Group" (p)
598     "Compile each file in the current group which needs it in the editor Lisp.
599     If a file has type LISP and there is a curresponding file with type
600     FASL which has been written less recently (or it doesn't exit), then
601     the file is compiled, with error output directed to the \"Compiler Warnings\"
602     buffer. If a prefix argument is provided, then all the files are compiled.
603     All modified files are saved beforehand."
604     "Do a Compile-File in each file in the current group that seems to need it
605     in the editor Lisp."
606     (save-all-files-command ())
607     (unless *active-file-group* (editor-error "No active file group."))
608     (dolist (file *active-file-group*)
609     (when (string-equal (pathname-type file) "lisp")
610     (let ((tn (probe-file file)))
611     (cond ((not tn)
612     (message "File ~A not found." (namestring file)))
613     ((older-or-non-existent-fasl-p tn p)
614     (with-output-to-window (*error-output* "Compiler Warnings")
615     (in-lisp (compile-file (namestring tn) :error-file nil)))))))))
616    
617     (defcommand "List Compile Group" (p)
618     "List any files that would be compiled by \"Compile Group\". All Modified
619     files are saved before checking to generate a consistent list."
620     "Do a Compile-File in each file in the current group that seems to need it."
621     (declare (ignore p))
622     (save-all-files-command ())
623     (unless *active-file-group* (editor-error "No active file group."))
624     (with-pop-up-display (s)
625     (write-line "\"Compile Group\" would compile the following files:" s)
626     (force-output s)
627     (dolist (file *active-file-group*)
628     (when (string-equal (pathname-type file) "lisp")
629     (let ((tn (probe-file file)))
630     (cond ((not tn)
631     (format s "File ~A not found.~%" (namestring file)))
632     ((older-or-non-existent-fasl-p tn)
633     (write-line (namestring tn) s)))
634     (force-output s))))))
635    
636     (defhvar "Load Pathname Defaults"
637     "The default pathname used by the load command.")
638    
639     (defcommand "Editor Load File" (p)
640     "Prompt for a file to load into Editor Lisp."
641     "Prompt for a file to load into the Editor Lisp."
642     (declare (ignore p))
643     (let ((name (truename (prompt-for-file
644     :default
645     (or (value load-pathname-defaults)
646     (buffer-default-pathname (current-buffer)))
647     :prompt "Editor file to load: "
648     :help "The name of the file to load"))))
649     (setv load-pathname-defaults name)
650     (in-lisp (load name))))
651    
652    
653    
654     ;;;; Lisp documentation stuff.
655    
656     ;;; FUNCTION-TO-DESCRIBE is used in "Editor Describe Function Call" and
657     ;;; "Describe Function Call".
658     ;;;
659     (defmacro function-to-describe (var error-name)
660     `(cond ((not (symbolp ,var))
661     (,error-name "~S is not a symbol." ,var))
662     ((macro-function ,var))
663     ((fboundp ,var)
664     (if (listp (symbol-function ,var))
665     ,var
666     (symbol-function ,var)))
667     (t
668     (,error-name "~S is not a function." ,var))))
669    
670     (defcommand "Editor Describe Function Call" (p)
671     "Describe the most recently typed function name in the editor Lisp."
672     "Describe the most recently typed function name in the editor Lisp."
673     (declare (ignore p))
674     (with-mark ((mark1 (current-point))
675     (mark2 (current-point)))
676     (pre-command-parse-check mark1)
677     (unless (backward-up-list mark1) (editor-error))
678     (form-offset (move-mark mark2 (mark-after mark1)) 1)
679     (with-input-from-region (s (region mark1 mark2))
680     (in-lisp
681     (let* ((sym (read s))
682     (fun (function-to-describe sym editor-error)))
683     (with-pop-up-display (*standard-output*)
684     (editor-describe-function fun sym)))))))
685    
686    
687     (defcommand "Editor Describe Symbol" (p)
688     "Describe the previous s-expression if it is a symbol in the editor Lisp."
689     "Describe the previous s-expression if it is a symbol in the editor Lisp."
690     (declare (ignore p))
691     (with-mark ((mark1 (current-point))
692     (mark2 (current-point)))
693     (mark-symbol mark1 mark2)
694     (with-input-from-region (s (region mark1 mark2))
695     (in-lisp
696     (let ((thing (read s)))
697     (if (symbolp thing)
698     (with-pop-up-display (*standard-output*)
699     (describe thing))
700     (if (and (consp thing)
701     (or (eq (car thing) 'quote)
702     (eq (car thing) 'function))
703     (symbolp (cadr thing)))
704     (with-pop-up-display (*standard-output*)
705     (describe (cadr thing)))
706     (editor-error "~S is not a symbol, or 'symbol, or #'symbol."
707     thing))))))))
708    
709     ;;; MARK-SYMBOL moves mark1 and mark2 around the previous or current symbol.
710     ;;; However, if the marks are immediately before the first constituent char
711     ;;; of the symbol name, we use the next symbol since the marks probably
712     ;;; correspond to the point, and Hemlock's cursor display makes it look like
713     ;;; the point is within the symbol name. This also tries to ignore :prefix
714     ;;; characters such as quotes, commas, etc.
715     ;;;
716     (defun mark-symbol (mark1 mark2)
717     (pre-command-parse-check mark1)
718     (with-mark ((tmark1 mark1)
719     (tmark2 mark1))
720     (cond ((and (form-offset tmark1 1)
721     (form-offset (move-mark tmark2 tmark1) -1)
722     (or (mark= mark1 tmark2)
723     (and (find-attribute tmark2 :lisp-syntax
724     #'(lambda (x) (not (eq x :prefix))))
725     (mark= mark1 tmark2))))
726     (form-offset mark2 1))
727     (t
728     (form-offset mark1 -1)
729     (find-attribute mark1 :lisp-syntax
730     #'(lambda (x) (not (eq x :prefix))))
731     (form-offset (move-mark mark2 mark1) 1)))))
732    
733    
734     (defcommand "Editor Describe" (p)
735     "Call Describe on a Lisp object.
736     Prompt for an expression which is evaluated to yield the object."
737     "Prompt for an object to describe."
738     (declare (ignore p))
739     (in-lisp
740     (let* ((exp (prompt-for-expression
741     :prompt "Object: "
742     :help "Expression to evaluate to get object to describe."))
743     (obj (eval exp)))
744     (with-pop-up-display (*standard-output*)
745     (describe obj)))))
746    
747     (defcommand "Filter Region" (p)
748     "Apply a Lisp function to each line of the region.
749     An expression is prompted for which should evaluate to a Lisp function
750     from a string to a string. The function must neither modify its argument
751     nor modify the return value after it is returned."
752     "Call prompt for a function, then call Filter-Region with it and the region."
753     (declare (ignore p))
754     (let* ((exp (prompt-for-expression
755     :prompt "Function: "
756     :help "Expression to evaluate to get function to use as filter."))
757     (fun (in-lisp (eval exp)))
758     (region (current-region)))
759     (check-region-query-size region)
760     (let* ((start (copy-mark (region-start region) :left-inserting))
761     (end (copy-mark (region-end region) :left-inserting))
762     (region (region start end))
763     (undo-region (copy-region region)))
764     (filter-region fun region)
765     (make-region-undo :twiddle "Filter Region" region undo-region))))

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