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Revision 1.110 - (hide annotations)
Mon Aug 11 07:40:23 2008 UTC (5 years, 8 months ago) by heller
Branch: MAIN
Changes since 1.109: +5 -6 lines
* swank-openmcl.lisp (receive-if): Support timeout argument.
* swank-allegro.lisp (receive-if): Ditto.
1 heller 1.79 ;;;; -*- indent-tabs-mode: nil; outline-regexp: ";;;;;* "; -*-
2 heller 1.1 ;;;
3     ;;; swank-allegro.lisp --- Allegro CL specific code for SLIME.
4     ;;;
5 heller 1.60 ;;; Created 2003
6 heller 1.1 ;;;
7     ;;; This code has been placed in the Public Domain. All warranties
8 heller 1.74 ;;; are disclaimed.
9 heller 1.1 ;;;
10    
11 heller 1.21 (in-package :swank-backend)
12    
13 heller 1.1 (eval-when (:compile-toplevel :load-toplevel :execute)
14     (require :sock)
15 heller 1.79 (require :process))
16 heller 1.1
17 heller 1.79 (import-from :excl *gray-stream-symbols* :swank-backend)
18 heller 1.1
19 mbaringer 1.53 ;;; swank-mop
20    
21 heller 1.60 (import-swank-mop-symbols :clos '(:slot-definition-documentation))
22 mbaringer 1.53
23 mbaringer 1.54 (defun swank-mop:slot-definition-documentation (slot)
24 heller 1.62 (documentation slot t))
25 mbaringer 1.53
26 heller 1.79
27 heller 1.8 ;;;; TCP Server
28 heller 1.1
29 heller 1.21 (defimplementation preferred-communication-style ()
30     :spawn)
31 heller 1.12
32 heller 1.14 (defimplementation create-socket (host port)
33     (socket:make-socket :connect :passive :local-port port
34     :local-host host :reuse-address t))
35 heller 1.5
36 heller 1.10 (defimplementation local-port (socket)
37 heller 1.6 (socket:local-port socket))
38    
39 heller 1.10 (defimplementation close-socket (socket)
40 heller 1.6 (close socket))
41    
42 dcrosher 1.85 (defimplementation accept-connection (socket &key external-format buffering
43     timeout)
44     (declare (ignore buffering timeout))
45 heller 1.94 (let ((s (socket:accept-connection socket :wait t)))
46     (when external-format
47     (setf (stream-external-format s) external-format))
48 heller 1.63 s))
49 heller 1.6
50 heller 1.94 (defvar *external-format-to-coding-system*
51     '((:iso-8859-1
52     "latin-1" "latin-1-unix" "iso-latin-1-unix"
53     "iso-8859-1" "iso-8859-1-unix")
54     (:utf-8 "utf-8" "utf-8-unix")
55     (:euc-jp "euc-jp" "euc-jp-unix")
56     (:us-ascii "us-ascii" "us-ascii-unix")
57     (:emacs-mule "emacs-mule" "emacs-mule-unix")))
58    
59     (defimplementation find-external-format (coding-system)
60     (let ((e (rassoc-if (lambda (x) (member coding-system x :test #'equal))
61     *external-format-to-coding-system*)))
62     (and e (excl:crlf-base-ef
63     (excl:find-external-format (car e)
64     :try-variant t)))))
65 heller 1.64
66 heller 1.34 (defimplementation format-sldb-condition (c)
67     (princ-to-string c))
68    
69 heller 1.39 (defimplementation call-with-syntax-hooks (fn)
70     (funcall fn))
71    
72 heller 1.9 ;;;; Unix signals
73    
74 heller 1.10 (defimplementation call-without-interrupts (fn)
75 heller 1.9 (excl:without-interrupts (funcall fn)))
76    
77 heller 1.10 (defimplementation getpid ()
78 heller 1.8 (excl::getpid))
79 heller 1.6
80 heller 1.15 (defimplementation lisp-implementation-type-name ()
81     "allegro")
82    
83 pseibel 1.28 (defimplementation set-default-directory (directory)
84 mkoeppe 1.86 (let* ((dir (namestring (truename (merge-pathnames directory)))))
85     (setf *default-pathname-defaults* (pathname (excl:chdir dir)))
86 heller 1.66 dir))
87 pseibel 1.28
88 heller 1.35 (defimplementation default-directory ()
89 heller 1.66 (namestring (excl:current-directory)))
90 heller 1.35
91 heller 1.8 ;;;; Misc
92 heller 1.1
93 heller 1.21 (defimplementation arglist (symbol)
94 lgorrie 1.30 (handler-case (excl:arglist symbol)
95     (simple-error () :not-available)))
96 heller 1.21
97     (defimplementation macroexpand-all (form)
98     (excl::walk form))
99 heller 1.1
100 heller 1.10 (defimplementation describe-symbol-for-emacs (symbol)
101 heller 1.1 (let ((result '()))
102     (flet ((doc (kind &optional (sym symbol))
103     (or (documentation sym kind) :not-documented))
104     (maybe-push (property value)
105     (when value
106     (setf result (list* property value result)))))
107     (maybe-push
108     :variable (when (boundp symbol)
109     (doc 'variable)))
110     (maybe-push
111     :function (if (fboundp symbol)
112     (doc 'function)))
113     (maybe-push
114     :class (if (find-class symbol nil)
115     (doc 'class)))
116     result)))
117    
118 heller 1.20 (defimplementation describe-definition (symbol namespace)
119     (ecase namespace
120     (:variable
121     (describe symbol))
122     ((:function :generic-function)
123     (describe (symbol-function symbol)))
124     (:class
125     (describe (find-class symbol)))))
126 heller 1.10
127 heller 1.8 ;;;; Debugger
128    
129 heller 1.1 (defvar *sldb-topframe*)
130 heller 1.4
131 heller 1.10 (defimplementation call-with-debugging-environment (debugger-loop-fn)
132 heller 1.71 (let ((*sldb-topframe* (find-topframe))
133 heller 1.20 (excl::*break-hook* nil))
134 heller 1.4 (funcall debugger-loop-fn)))
135 heller 1.1
136 mkoeppe 1.92 (defimplementation sldb-break-at-start (fname)
137     ;; :print-before is kind of mis-used but we just want to stuff our break form
138     ;; somewhere. This does not work for setf, :before and :after methods, which
139     ;; need special syntax in the trace call, see ACL's doc/debugging.htm chapter 10.
140     (eval `(trace (,fname
141     :print-before
142     ((break "Function start breakpoint of ~A" ',fname)))))
143     `(:ok ,(format nil "Set breakpoint at start of ~S" fname)))
144    
145 heller 1.71 (defun find-topframe ()
146 heller 1.73 (let ((skip-frames 3))
147     (do ((f (excl::int-newest-frame) (next-frame f))
148     (i 0 (1+ i)))
149     ((= i skip-frames) f))))
150 heller 1.71
151 heller 1.42 (defun next-frame (frame)
152     (let ((next (excl::int-next-older-frame frame)))
153     (cond ((not next) nil)
154     ((debugger:frame-visible-p next) next)
155     (t (next-frame next)))))
156    
157 heller 1.1 (defun nth-frame (index)
158 heller 1.42 (do ((frame *sldb-topframe* (next-frame frame))
159 heller 1.1 (i index (1- i)))
160     ((zerop i) frame)))
161    
162 heller 1.20 (defimplementation compute-backtrace (start end)
163 heller 1.1 (let ((end (or end most-positive-fixnum)))
164 heller 1.42 (loop for f = (nth-frame start) then (next-frame f)
165 heller 1.1 for i from start below end
166     while f
167 heller 1.42 collect f)))
168 heller 1.1
169 heller 1.20 (defimplementation print-frame (frame stream)
170     (debugger:output-frame stream frame :moderate))
171 heller 1.4
172 heller 1.10 (defimplementation frame-locals (index)
173 heller 1.1 (let ((frame (nth-frame index)))
174     (loop for i from 0 below (debugger:frame-number-vars frame)
175 mbaringer 1.19 collect (list :name (debugger:frame-var-name frame i)
176 heller 1.1 :id 0
177 mbaringer 1.19 :value (debugger:frame-var-value frame i)))))
178 heller 1.1
179 heller 1.39 (defimplementation frame-var-value (frame var)
180     (let ((frame (nth-frame frame)))
181     (debugger:frame-var-value frame var)))
182    
183 heller 1.10 (defimplementation frame-catch-tags (index)
184 heller 1.1 (declare (ignore index))
185     nil)
186    
187 heller 1.21 (defimplementation disassemble-frame (index)
188     (disassemble (debugger:frame-function (nth-frame index))))
189    
190 heller 1.10 (defimplementation frame-source-location-for-emacs (index)
191 lgorrie 1.37 (let* ((frame (nth-frame index))
192     (expr (debugger:frame-expression frame))
193     (fspec (first expr)))
194     (second (first (fspec-definition-locations fspec)))))
195 heller 1.4
196 heller 1.10 (defimplementation eval-in-frame (form frame-number)
197 heller 1.73 (let ((frame (nth-frame frame-number)))
198     ;; let-bind lexical variables
199     (let ((vars (loop for i below (debugger:frame-number-vars frame)
200     for name = (debugger:frame-var-name frame i)
201     if (symbolp name)
202     collect `(,name ',(debugger:frame-var-value frame i)))))
203     (debugger:eval-form-in-context
204     `(let* ,vars ,form)
205     (debugger:environment-of-frame frame)))))
206 heller 1.10
207 heller 1.11 (defimplementation return-from-frame (frame-number form)
208     (let ((frame (nth-frame frame-number)))
209     (multiple-value-call #'debugger:frame-return
210     frame (debugger:eval-form-in-context
211 heller 1.20 form
212     (debugger:environment-of-frame frame)))))
213 heller 1.67
214 heller 1.11 (defimplementation restart-frame (frame-number)
215     (let ((frame (nth-frame frame-number)))
216 heller 1.69 (cond ((debugger:frame-retryable-p frame)
217     (apply #'debugger:frame-retry frame (debugger:frame-function frame)
218     (cdr (debugger:frame-expression frame))))
219     (t "Frame is not retryable"))))
220 heller 1.67
221 heller 1.8 ;;;; Compiler hooks
222    
223 heller 1.1 (defvar *buffer-name* nil)
224     (defvar *buffer-start-position*)
225     (defvar *buffer-string*)
226 lgorrie 1.33 (defvar *compile-filename* nil)
227 heller 1.1
228 heller 1.66 (defun compiler-note-p (object)
229     (member (type-of object) '(excl::compiler-note compiler::compiler-note)))
230    
231     (defun compiler-undefined-functions-called-warning-p (object)
232     (typep object 'excl:compiler-undefined-functions-called-warning))
233 heller 1.64
234     (deftype compiler-note ()
235     `(satisfies compiler-note-p))
236    
237 heller 1.66 (defun signal-compiler-condition (&rest args)
238     (signal (apply #'make-condition 'compiler-condition args)))
239    
240 heller 1.1 (defun handle-compiler-warning (condition)
241 heller 1.66 (declare (optimize (debug 3) (speed 0) (space 0)))
242     (cond ((and (not *buffer-name*)
243     (compiler-undefined-functions-called-warning-p condition))
244     (handle-undefined-functions-warning condition))
245     (t
246     (signal-compiler-condition
247     :original-condition condition
248     :severity (etypecase condition
249     (warning :warning)
250     (compiler-note :note))
251     :message (format nil "~A" condition)
252     :location (location-for-warning condition)))))
253    
254     (defun location-for-warning (condition)
255 heller 1.1 (let ((loc (getf (slot-value condition 'excl::plist) :loc)))
256 heller 1.66 (cond (*buffer-name*
257     (make-location
258     (list :buffer *buffer-name*)
259     (list :position *buffer-start-position*)))
260     (loc
261     (destructuring-bind (file . pos) loc
262     (make-location
263     (list :file (namestring (truename file)))
264     (list :position (1+ pos)))))
265     (t
266     (list :error "No error location available.")))))
267    
268     (defun handle-undefined-functions-warning (condition)
269     (let ((fargs (slot-value condition 'excl::format-arguments)))
270 heller 1.67 (loop for (fname . pos-file) in (car fargs) do
271     (loop for (pos file) in pos-file do
272     (signal-compiler-condition
273     :original-condition condition
274     :severity :warning
275     :message (format nil "Undefined function referenced: ~S"
276     fname)
277     :location (make-location (list :file file)
278     (list :position (1+ pos))))))))
279 lgorrie 1.33
280     (defimplementation call-with-compilation-hooks (function)
281 heller 1.64 (handler-bind ((warning #'handle-compiler-warning)
282 heller 1.70 ;;(compiler-note #'handle-compiler-warning)
283     )
284 lgorrie 1.33 (funcall function)))
285 heller 1.1
286 heller 1.94 (defimplementation swank-compile-file (filename load-p external-format)
287 lgorrie 1.33 (with-compilation-hooks ()
288 heller 1.74 (let ((*buffer-name* nil)
289 heller 1.94 (*compile-filename* filename))
290 heller 1.74 (compile-file *compile-filename* :load-after-compile load-p
291 heller 1.94 :external-format external-format))))
292 heller 1.1
293 heller 1.46 (defun call-with-temp-file (fn)
294     (let ((tmpname (system:make-temp-file-name)))
295     (unwind-protect
296     (with-open-file (file tmpname :direction :output :if-exists :error)
297     (funcall fn file tmpname))
298     (delete-file tmpname))))
299    
300     (defun compile-from-temp-file (string)
301     (call-with-temp-file
302     (lambda (stream filename)
303     (write-string string stream)
304     (finish-output stream)
305 mkoeppe 1.83 (let ((binary-filename
306     (excl:without-redefinition-warnings
307     ;; Suppress Allegro's redefinition warnings; they are
308     ;; pointless when we are compiling via a temporary
309     ;; file.
310     (compile-file filename :load-after-compile t))))
311 heller 1.46 (when binary-filename
312     (delete-file binary-filename))))))
313    
314 heller 1.102 (defimplementation swank-compile-string (string &key buffer position directory
315     debug)
316     (declare (ignore debug))
317 heller 1.46 ;; We store the source buffer in excl::*source-pathname* as a string
318 heller 1.50 ;; of the form <buffername>;<start-offset>. Quite ugly encoding, but
319 heller 1.46 ;; the fasl file is corrupted if we use some other datatype.
320 lgorrie 1.33 (with-compilation-hooks ()
321 heller 1.20 (let ((*buffer-name* buffer)
322 heller 1.1 (*buffer-start-position* position)
323 pseibel 1.51 (*buffer-string* string)
324     (*default-pathname-defaults*
325     (if directory (merge-pathnames (pathname directory))
326     *default-pathname-defaults*)))
327 heller 1.46 (compile-from-temp-file
328     (format nil "~S ~S~%~A"
329     `(in-package ,(package-name *package*))
330     `(eval-when (:compile-toplevel :load-toplevel)
331     (setq excl::*source-pathname*
332 heller 1.52 ',(format nil "~A;~D" buffer position)))
333 heller 1.46 string)))))
334 heller 1.1
335 heller 1.8 ;;;; Definition Finding
336    
337 heller 1.32 (defun fspec-primary-name (fspec)
338     (etypecase fspec
339 heller 1.62 (symbol fspec)
340     (list (fspec-primary-name (second fspec)))))
341 heller 1.32
342 heller 1.62 ;; If Emacs uses DOS-style eol conventions, \n\r are considered as a
343     ;; single character, but file-position counts them as two. Here we do
344     ;; our own conversion.
345     (defun count-cr (file pos)
346     (let* ((bufsize 256)
347 heller 1.63 (type '(unsigned-byte 8))
348     (buf (make-array bufsize :element-type type))
349 heller 1.62 (cr-count 0))
350 heller 1.63 (with-open-file (stream file :direction :input :element-type type)
351     (loop for bytes-read = (read-sequence buf stream) do
352     (incf cr-count (count (char-code #\return) buf
353     :end (min pos bytes-read)))
354     (decf pos bytes-read)
355     (when (<= pos 0)
356     (return cr-count))))))
357 heller 1.62
358 mkoeppe 1.81 (defun find-definition-in-file (fspec type file top-level)
359     (let* ((part
360     (or (scm::find-definition-in-definition-group
361     fspec type (scm:section-file :file file)
362     :top-level top-level)
363     (scm::find-definition-in-definition-group
364     (fspec-primary-name fspec)
365     type (scm:section-file :file file)
366     :top-level top-level)))
367     (start (and part
368     (scm::source-part-start part)))
369 heller 1.60 (pos (if start
370 heller 1.62 (list :position (1+ (- start (count-cr file start))))
371     (list :function-name (string (fspec-primary-name fspec))))))
372     (make-location (list :file (namestring (truename file)))
373     pos)))
374 heller 1.60
375     (defun find-definition-in-buffer (filename)
376     (let ((pos (position #\; filename :from-end t)))
377     (make-location
378     (list :buffer (subseq filename 0 pos))
379     (list :position (parse-integer (subseq filename (1+ pos)))))))
380    
381 mkoeppe 1.81 (defun find-fspec-location (fspec type file top-level)
382     (etypecase file
383     (pathname
384     (find-definition-in-file fspec type file top-level))
385     ((member :top-level)
386     (list :error (format nil "Defined at toplevel: ~A"
387     (fspec->string fspec))))
388     (string
389     (find-definition-in-buffer file))))
390 lgorrie 1.49
391 heller 1.50 (defun fspec->string (fspec)
392 lgorrie 1.49 (etypecase fspec
393 heller 1.50 (symbol (let ((*package* (find-package :keyword)))
394     (prin1-to-string fspec)))
395     (list (format nil "(~A ~A)"
396     (prin1-to-string (first fspec))
397     (let ((*package* (find-package :keyword)))
398     (prin1-to-string (second fspec)))))))
399 heller 1.21
400     (defun fspec-definition-locations (fspec)
401 mkoeppe 1.87 (cond
402     ((and (listp fspec)
403     (eql (car fspec) :top-level-form))
404 mkoeppe 1.98 (destructuring-bind (top-level-form file &optional position) fspec
405 mkoeppe 1.87 (list
406     (list (list nil fspec)
407     (make-location (list :buffer file)
408 heller 1.90 (list :position position t))))))
409     ((and (listp fspec) (eq (car fspec) :internal))
410     (destructuring-bind (_internal next _n) fspec
411     (fspec-definition-locations next)))
412 mkoeppe 1.87 (t
413     (let ((defs (excl::find-source-file fspec)))
414 trittweiler 1.103 (when (and (null defs)
415     (listp fspec)
416     (string= (car fspec) '#:method))
417     ;; If methods are defined in a defgeneric form, the source location is
418     ;; recorded for the gf but not for the methods. Therefore fall back to
419     ;; the gf as the likely place of definition.
420     (setq defs (excl::find-source-file (second fspec))))
421 mkoeppe 1.87 (if (null defs)
422     (list
423     (list (list nil fspec)
424     (list :error
425     (format nil "Unknown source location for ~A"
426     (fspec->string fspec)))))
427 mkoeppe 1.81 (loop for (fspec type file top-level) in defs
428 mkoeppe 1.87 collect (list (list type fspec)
429     (find-fspec-location fspec type file top-level))))))))
430 heller 1.21
431     (defimplementation find-definitions (symbol)
432     (fspec-definition-locations symbol))
433 heller 1.1
434 heller 1.8 ;;;; XREF
435    
436 heller 1.21 (defmacro defxref (name relation name1 name2)
437     `(defimplementation ,name (x)
438     (xref-result (xref:get-relation ,relation ,name1 ,name2))))
439    
440     (defxref who-calls :calls :wild x)
441 heller 1.70 (defxref calls-who :calls x :wild)
442 heller 1.21 (defxref who-references :uses :wild x)
443     (defxref who-binds :binds :wild x)
444     (defxref who-macroexpands :macro-calls :wild x)
445     (defxref who-sets :sets :wild x)
446    
447     (defun xref-result (fspecs)
448     (loop for fspec in fspecs
449     append (fspec-definition-locations fspec)))
450 heller 1.46
451     ;; list-callers implemented by groveling through all fbound symbols.
452     ;; Only symbols are considered. Functions in the constant pool are
453 heller 1.71 ;; searched recursively. Closure environments are ignored at the
454 heller 1.46 ;; moment (constants in methods are therefore not found).
455    
456     (defun map-function-constants (function fn depth)
457     "Call FN with the elements of FUNCTION's constant pool."
458     (do ((i 0 (1+ i))
459     (max (excl::function-constant-count function)))
460     ((= i max))
461     (let ((c (excl::function-constant function i)))
462     (cond ((and (functionp c)
463     (not (eq c function))
464     (plusp depth))
465     (map-function-constants c fn (1- depth)))
466     (t
467     (funcall fn c))))))
468    
469 heller 1.64 (defun in-constants-p (fun symbol)
470     (map-function-constants fun
471     (lambda (c)
472     (when (eq c symbol)
473     (return-from in-constants-p t)))
474     3))
475 heller 1.70
476 heller 1.46 (defun function-callers (name)
477     (let ((callers '()))
478     (do-all-symbols (sym)
479     (when (fboundp sym)
480     (let ((fn (fdefinition sym)))
481     (when (in-constants-p fn name)
482     (push sym callers)))))
483     callers))
484    
485     (defimplementation list-callers (name)
486     (xref-result (function-callers name)))
487 heller 1.4
488 heller 1.70 (defimplementation list-callees (name)
489     (let ((result '()))
490     (map-function-constants (fdefinition name)
491     (lambda (c)
492     (when (fboundp c)
493     (push c result)))
494     2)
495     (xref-result result)))
496    
497 mkoeppe 1.83 ;;;; Profiling
498    
499 heller 1.89 ;; Per-function profiling based on description in
500     ;; http://www.franz.com/support/documentation/8.0/doc/runtime-analyzer.htm#data-collection-control-2
501    
502     (defvar *profiled-functions* ())
503     (defvar *profile-depth* 0)
504    
505     (defmacro with-redirected-y-or-n-p (&body body)
506     ;; If the profiler is restarted when the data from the previous
507     ;; session is not reported yet, the user is warned via Y-OR-N-P.
508     ;; As the CL:Y-OR-N-P question is (for some reason) not directly
509     ;; sent to the Slime user, the function CL:Y-OR-N-P is temporarily
510     ;; overruled.
511     `(let* ((pkg (find-package "common-lisp"))
512     (saved-pdl (excl::package-definition-lock pkg))
513     (saved-ynp (symbol-function 'cl:y-or-n-p)))
514    
515     (setf (excl::package-definition-lock pkg) nil
516     (symbol-function 'cl:y-or-n-p) (symbol-function
517     (find-symbol "y-or-n-p-in-emacs"
518     "swank")))
519     (unwind-protect
520     (progn ,@body)
521    
522     (setf (symbol-function 'cl:y-or-n-p) saved-ynp
523     (excl::package-definition-lock pkg) saved-pdl))))
524    
525     (defun start-acl-profiler ()
526     (with-redirected-y-or-n-p
527     (prof:start-profiler :type :time :count t
528     :start-sampling-p nil :verbose nil)))
529     (defun acl-profiler-active-p ()
530     (not (eq (prof:profiler-status :verbose nil) :inactive)))
531    
532     (defun stop-acl-profiler ()
533     (prof:stop-profiler :verbose nil))
534    
535     (excl:def-fwrapper profile-fwrapper (&rest args)
536     ;; Ensures sampling is done during the execution of the function,
537     ;; taking into account recursion.
538     (declare (ignore args))
539     (cond ((zerop *profile-depth*)
540     (let ((*profile-depth* (1+ *profile-depth*)))
541     (prof:start-sampling)
542     (unwind-protect (excl:call-next-fwrapper)
543     (prof:stop-sampling))))
544     (t
545     (excl:call-next-fwrapper))))
546    
547     (defimplementation profile (fname)
548     (unless (acl-profiler-active-p)
549     (start-acl-profiler))
550     (excl:fwrap fname 'profile-fwrapper 'profile-fwrapper)
551     (push fname *profiled-functions*))
552    
553     (defimplementation profiled-functions ()
554     *profiled-functions*)
555    
556     (defimplementation unprofile (fname)
557     (excl:funwrap fname 'profile-fwrapper)
558     (setq *profiled-functions* (remove fname *profiled-functions*)))
559    
560 mkoeppe 1.83 (defimplementation profile-report ()
561 heller 1.89 (prof:show-flat-profile :verbose nil)
562     (when *profiled-functions*
563     (start-acl-profiler)))
564    
565     (defimplementation profile-reset ()
566     (when (acl-profiler-active-p)
567     (stop-acl-profiler)
568     (start-acl-profiler))
569     "Reset profiling counters.")
570 mkoeppe 1.83
571 heller 1.18 ;;;; Inspecting
572    
573 heller 1.100 (defmethod emacs-inspect ((f function))
574 heller 1.62 (append
575     (label-value-line "Name" (function-name f))
576     `("Formals" ,(princ-to-string (arglist f)) (:newline))
577     (let ((doc (documentation (excl::external-fn_symdef f) 'function)))
578     (when doc
579 heller 1.101 `("Documentation:" (:newline) ,doc)))))
580 heller 1.62
581 heller 1.100 (defmethod emacs-inspect ((o t))
582 heller 1.101 (allegro-inspect o))
583 heller 1.62
584 heller 1.100 (defmethod emacs-inspect ((o function))
585 heller 1.101 (allegro-inspect o))
586 heller 1.62
587 heller 1.100 (defmethod emacs-inspect ((o standard-object))
588 heller 1.101 (allegro-inspect o))
589 heller 1.82
590 heller 1.62 (defun allegro-inspect (o)
591     (loop for (d dd) on (inspect::inspect-ctl o)
592 heller 1.73 append (frob-allegro-field-def o d)
593     until (eq d dd)))
594 heller 1.62
595 heller 1.73 (defun frob-allegro-field-def (object def)
596 heller 1.62 (with-struct (inspect::field-def- name type access) def
597 heller 1.73 (ecase type
598 heller 1.79 ((:unsigned-word :unsigned-byte :unsigned-natural
599     :unsigned-long :unsigned-half-long
600     :unsigned-3byte)
601 heller 1.73 (label-value-line name (inspect::component-ref-v object access type)))
602     ((:lisp :value)
603     (label-value-line name (inspect::component-ref object access)))
604     (:indirect
605     (destructuring-bind (prefix count ref set) access
606     (declare (ignore set prefix))
607     (loop for i below (funcall count object)
608     append (label-value-line (format nil "~A-~D" name i)
609     (funcall ref object i))))))))
610 mbaringer 1.55
611 heller 1.18 ;;;; Multithreading
612 heller 1.8
613 mbaringer 1.91 (defimplementation initialize-multiprocessing (continuation)
614     (mp:start-scheduler)
615     (funcall continuation))
616 heller 1.8
617 heller 1.10 (defimplementation spawn (fn &key name)
618 lgorrie 1.47 (mp:process-run-function name fn))
619 heller 1.8
620 heller 1.40 (defvar *id-lock* (mp:make-process-lock :name "id lock"))
621     (defvar *thread-id-counter* 0)
622    
623     (defimplementation thread-id (thread)
624     (mp:with-process-lock (*id-lock*)
625     (or (getf (mp:process-property-list thread) 'id)
626     (setf (getf (mp:process-property-list thread) 'id)
627     (incf *thread-id-counter*)))))
628    
629     (defimplementation find-thread (id)
630     (find id mp:*all-processes*
631     :key (lambda (p) (getf (mp:process-property-list p) 'id))))
632    
633 heller 1.13 (defimplementation thread-name (thread)
634     (mp:process-name thread))
635 heller 1.8
636 heller 1.13 (defimplementation thread-status (thread)
637     (format nil "~A ~D" (mp:process-whostate thread)
638     (mp:process-priority thread)))
639 heller 1.8
640 heller 1.10 (defimplementation make-lock (&key name)
641 heller 1.8 (mp:make-process-lock :name name))
642    
643 heller 1.10 (defimplementation call-with-lock-held (lock function)
644 heller 1.8 (mp:with-process-lock (lock) (funcall function)))
645 heller 1.12
646     (defimplementation current-thread ()
647     mp:*current-process*)
648    
649     (defimplementation all-threads ()
650 heller 1.13 (copy-list mp:*all-processes*))
651 heller 1.12
652     (defimplementation interrupt-thread (thread fn)
653     (mp:process-interrupt thread fn))
654    
655 heller 1.16 (defimplementation kill-thread (thread)
656     (mp:process-kill thread))
657    
658 heller 1.12 (defvar *mailbox-lock* (mp:make-process-lock :name "mailbox lock"))
659    
660     (defstruct (mailbox (:conc-name mailbox.))
661 heller 1.107 (lock (mp:make-process-lock :name "process mailbox"))
662     (queue '() :type list)
663 heller 1.108 (gate (mp:make-gate nil)))
664 heller 1.12
665     (defun mailbox (thread)
666     "Return THREAD's mailbox."
667     (mp:with-process-lock (*mailbox-lock*)
668     (or (getf (mp:process-property-list thread) 'mailbox)
669     (setf (getf (mp:process-property-list thread) 'mailbox)
670     (make-mailbox)))))
671    
672     (defimplementation send (thread message)
673 heller 1.107 (let* ((mbox (mailbox thread)))
674     (mp:with-process-lock ((mailbox.lock mbox))
675     (setf (mailbox.queue mbox)
676     (nconc (mailbox.queue mbox) (list message)))
677     (mp:open-gate (mailbox.gate mbox)))))
678 heller 1.12
679 heller 1.110 (defimplementation receive-if (test &optional timeout)
680 heller 1.104 (let ((mbox (mailbox mp:*current-process*)))
681 heller 1.110 (assert (or (not timeout) (eq timeout t)))
682 heller 1.107 (loop
683     (check-slime-interrupts)
684     (mp:with-process-lock ((mailbox.lock mbox))
685     (let* ((q (mailbox.queue mbox))
686     (tail (member-if test q)))
687     (when tail
688     (setf (mailbox.queue mbox) (nconc (ldiff q tail) (cdr tail)))
689     (return (car tail)))
690     (mp:close-gate (mailbox.gate mbox))))
691 heller 1.110 (when (eq timeout t) (return (values nil t)))
692     (mp:process-wait-with-timeout "receive-if" 0.5
693     #'mp:gate-open-p (mailbox.gate mbox)))))
694 heller 1.104
695 mbaringer 1.27 (defimplementation quit-lisp ()
696     (excl:exit 0 :quiet t))
697 mbaringer 1.68
698 heller 1.69
699 mbaringer 1.68 ;;Trace implementations
700     ;;In Allegro 7.0, we have:
701     ;; (trace <name>)
702     ;; (trace ((method <name> <qualifier>? (<specializer>+))))
703     ;; (trace ((labels <name> <label-name>)))
704     ;; (trace ((labels (method <name> (<specializer>+)) <label-name>)))
705     ;; <name> can be a normal name or a (setf name)
706    
707 heller 1.70 (defimplementation toggle-trace (spec)
708 lgorrie 1.72 (ecase (car spec)
709     ((setf)
710     (toggle-trace-aux spec))
711 heller 1.70 (:defgeneric (toggle-trace-generic-function-methods (second spec)))
712 heller 1.71 ((setf :defmethod :labels :flet)
713 heller 1.70 (toggle-trace-aux (process-fspec-for-allegro spec)))
714 lgorrie 1.72 (:call
715 heller 1.70 (destructuring-bind (caller callee) (cdr spec)
716     (toggle-trace-aux callee
717     :inside (list (process-fspec-for-allegro caller)))))))
718    
719     (defun tracedp (fspec)
720 heller 1.71 (member fspec (eval '(trace)) :test #'equal))
721 heller 1.70
722     (defun toggle-trace-aux (fspec &rest args)
723     (cond ((tracedp fspec)
724     (eval `(untrace ,fspec))
725     (format nil "~S is now untraced." fspec))
726     (t
727     (eval `(trace (,fspec ,@args)))
728     (format nil "~S is now traced." fspec))))
729    
730     (defun toggle-trace-generic-function-methods (name)
731 mbaringer 1.68 (let ((methods (mop:generic-function-methods (fdefinition name))))
732 heller 1.70 (cond ((tracedp name)
733 mbaringer 1.68 (eval `(untrace ,name))
734     (dolist (method methods (format nil "~S is now untraced." name))
735     (excl:funtrace (mop:method-function method))))
736     (t
737 lgorrie 1.72 (eval `(trace (,name)))
738 heller 1.70 (dolist (method methods (format nil "~S is now traced." name))
739 mbaringer 1.68 (excl:ftrace (mop:method-function method)))))))
740    
741     (defun process-fspec-for-allegro (fspec)
742     (cond ((consp fspec)
743     (ecase (first fspec)
744 heller 1.71 ((setf) fspec)
745 mbaringer 1.68 ((:defun :defgeneric) (second fspec))
746     ((:defmethod) `(method ,@(rest fspec)))
747 heller 1.69 ((:labels) `(labels ,(process-fspec-for-allegro (second fspec))
748     ,(third fspec)))
749     ((:flet) `(flet ,(process-fspec-for-allegro (second fspec))
750     ,(third fspec)))))
751 mbaringer 1.68 (t
752     fspec)))
753 heller 1.88
754    
755     ;;;; Weak hashtables
756    
757     (defimplementation make-weak-key-hash-table (&rest args)
758     (apply #'make-hash-table :weak-keys t args))
759    
760     (defimplementation make-weak-value-hash-table (&rest args)
761     (apply #'make-hash-table :values :weak args))
762 mkoeppe 1.93
763 alendvai 1.95 (defimplementation hash-table-weakness (hashtable)
764     (cond ((excl:hash-table-weak-keys hashtable) :key)
765     ((eq (excl:hash-table-values hashtable) :weak) :value)))
766    
767    
768 mkoeppe 1.93
769     ;;;; Character names
770    
771     (defimplementation character-completion-set (prefix matchp)
772     (loop for name being the hash-keys of excl::*name-to-char-table*
773     when (funcall matchp prefix name)
774     collect (string-capitalize name)))

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