/[slime]/slime/swank-abcl.lisp
ViewVC logotype

Contents of /slime/swank-abcl.lisp

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1.24 - (show annotations)
Thu Feb 10 19:22:43 2005 UTC (9 years, 2 months ago) by asimon
Branch: MAIN
Changes since 1.23: +3 -3 lines
source-location: conform to abcl's new protocol (Peter Graves)
pprint frames
1 ;;;; -*- Mode: lisp; indent-tabs-mode: nil; outline-regexp: ";;;;;*"; -*-
2 ;;;
3 ;;; swank-abcl.lisp --- Armedbear CL specific code for SLIME.
4 ;;;
5 ;;; Adapted from swank-acl.lisp, Andras Simon, 2004
6 ;;;
7 ;;; This code has been placed in the Public Domain. All warranties
8 ;;; are disclaimed.
9 ;;;
10
11 (in-package :swank-backend)
12
13
14 (eval-when (:compile-toplevel :load-toplevel :execute)
15 (require :collect) ;just so that it doesn't spoil the flying letters
16 (require :pprint))
17
18 (defun sys::break (&optional (format-control "BREAK called") &rest format-arguments)
19 (let ((*saved-backtrace* (sys::backtrace-as-list)))
20 (with-simple-restart (continue "Return from BREAK.")
21 (invoke-debugger
22 (sys::%make-condition 'simple-condition
23 (list :format-control format-control
24 :format-arguments format-arguments))))
25 nil))
26
27
28 (defimplementation make-fn-streams (input-fn output-fn)
29 (let* ((output (ext:make-slime-output-stream output-fn))
30 (input (ext:make-slime-input-stream input-fn output)))
31 (values input output)))
32
33 ;;; swank-mop
34
35 ;;dummies:
36
37 (defclass standard-slot-definition ()())
38
39 (defun class-finalized-p (class) t)
40
41 (defun slot-definition-documentation (slot) #+nil (documentation slot 't))
42 (defun slot-definition-type (slot) t)
43 (defun class-prototype (class))
44 (defun generic-function-declarations (gf))
45 (defun specializer-direct-methods (spec) nil)
46
47 (import-to-swank-mop
48 '( ;; classes
49 cl:standard-generic-function
50 standard-slot-definition ;;dummy
51 cl:method
52 cl:standard-class
53 ;; standard-class readers
54 sys::class-default-initargs
55 sys::class-direct-default-initargs
56 sys::class-direct-slots
57 sys::class-direct-subclasses
58 sys::class-direct-superclasses
59 sys::eql-specializer
60 class-finalized-p ;;dummy
61 cl:class-name
62 sys::class-precedence-list
63 class-prototype ;;dummy
64 sys::class-slots
65 specializer-direct-methods ;;dummy
66 ;; eql-specializer accessors
67 sys::eql-specializer-object
68 ;; generic function readers
69 sys::generic-function-argument-precedence-order
70 generic-function-declarations ;;dummy
71 sys::generic-function-lambda-list
72 sys::generic-function-methods
73 sys::generic-function-method-class
74 sys::generic-function-method-combination
75 sys::generic-function-name
76 ;; method readers
77 sys::method-generic-function
78 sys::method-function
79 sys::method-lambda-list
80 sys::method-specializers
81 sys::method-qualifiers
82 ;; slot readers
83 sys::slot-definition-allocation
84 slot-definition-documentation ;;dummy
85 sys::slot-definition-initargs
86 sys::slot-definition-initform
87 sys::slot-definition-initfunction
88 sys::slot-definition-name
89 slot-definition-type ;;dummy
90 sys::slot-definition-readers
91 sys::slot-definition-writers))
92
93 ;;;; TCP Server
94
95
96 (defimplementation preferred-communication-style ()
97 :spawn)
98
99
100
101 (defimplementation create-socket (host port)
102 (ext:make-server-socket port))
103
104
105 (defimplementation local-port (socket)
106 (java:jcall (java:jmethod "java.net.ServerSocket" "getLocalPort") socket))
107
108
109 (defimplementation close-socket (socket)
110 (ext:server-socket-close socket))
111
112 (defimplementation accept-connection (socket
113 &key (external-format :iso-latin-1-unix))
114 (assert (eq external-format :iso-latin-1-unix))
115 (ext:get-socket-stream (ext:socket-accept socket)))
116
117 ;;;; Unix signals
118
119 (defimplementation call-without-interrupts (fn)
120 (funcall fn))
121
122 ;;there are too many to count
123 (defimplementation getpid ()
124 0)
125
126 (defimplementation lisp-implementation-type-name ()
127 "armedbear")
128
129 (defimplementation set-default-directory (directory)
130 (let ((dir (sys::probe-directory directory)))
131 (when dir (setf *default-pathname-defaults* dir))
132 (namestring dir)))
133
134
135 ;;;; Misc
136
137
138 (defimplementation arglist ((symbol t))
139 (multiple-value-bind (arglist present)
140 (sys::arglist symbol)
141 (if present arglist :not-available)))
142
143
144 (defimplementation function-name (function)
145 (nth-value 2 (function-lambda-expression function)))
146
147 (defimplementation macroexpand-all (form)
148 (macroexpand form))
149
150 (defimplementation describe-symbol-for-emacs (symbol)
151 (let ((result '()))
152 (flet ((doc (kind &optional (sym symbol))
153 (or (documentation sym kind) :not-documented))
154 (maybe-push (property value)
155 (when value
156 (setf result (list* property value result)))))
157 (maybe-push
158 :variable (when (boundp symbol)
159 (doc 'variable)))
160 (maybe-push
161 :function (if (fboundp symbol)
162 (doc 'function)))
163 (maybe-push
164 :class (if (find-class symbol nil)
165 (doc 'class)))
166 result)))
167
168
169 (defimplementation describe-definition (symbol namespace)
170 (ecase namespace
171 (:variable
172 (describe symbol))
173 ((:function :generic-function)
174 (describe (symbol-function symbol)))
175 (:class
176 (describe (find-class symbol)))))
177
178 (defimplementation describe-definition (symbol namespace)
179 (ecase namespace
180 (:variable
181 (describe symbol))
182 ((:function :generic-function)
183 (describe (symbol-function symbol)))
184 (:class
185 (describe (find-class symbol)))))
186
187
188 ;;;; Debugger
189
190 (defvar *sldb-topframe*)
191
192 (defimplementation call-with-debugging-environment (debugger-loop-fn)
193 (let ((*sldb-topframe* (car (ext:backtrace-as-list)) #+nil (excl::int-newest-frame)))
194 (funcall debugger-loop-fn)))
195
196 (defun nth-frame (index)
197 (nth index (ext:backtrace-as-list)))
198
199 (defimplementation compute-backtrace (start end)
200 (let ((end (or end most-positive-fixnum)))
201 (subseq (ext:backtrace-as-list) start end)))
202
203 (defimplementation print-frame (frame stream)
204 (pprint frame stream))
205
206 #+nil
207 (defimplementation frame-locals (index)
208 (let ((frame (nth-frame index)))
209 (loop for i from 0 below (debugger:frame-number-vars frame)
210 collect (list :name (debugger:frame-var-name frame i)
211 :id 0
212 :value (debugger:frame-var-value frame i)))))
213
214 (defimplementation frame-catch-tags (index)
215 (declare (ignore index))
216 nil)
217
218 #+nil
219 (defimplementation disassemble-frame (index)
220 (disassemble (debugger:frame-function (nth-frame index))))
221
222 (defimplementation frame-source-location-for-emacs (index)
223 (list :error (format nil "Cannot find source for frame: ~A"
224 (nth-frame index))))
225
226 #+nil
227 (defimplementation eval-in-frame (form frame-number)
228 (debugger:eval-form-in-context
229 form
230 (debugger:environment-of-frame (nth-frame frame-number))))
231
232 #+nil
233 (defimplementation return-from-frame (frame-number form)
234 (let ((frame (nth-frame frame-number)))
235 (multiple-value-call #'debugger:frame-return
236 frame (debugger:eval-form-in-context
237 form
238 (debugger:environment-of-frame frame)))))
239
240 ;;; XXX doesn't work for frames with arguments
241 #+nil
242 (defimplementation restart-frame (frame-number)
243 (let ((frame (nth-frame frame-number)))
244 (debugger:frame-retry frame (debugger:frame-function frame))))
245
246 ;;;; Compiler hooks
247
248 (defvar *buffer-name* nil)
249 (defvar *buffer-start-position*)
250 (defvar *buffer-string*)
251 (defvar *compile-filename*)
252
253 (defun handle-compiler-warning (condition)
254 #+nil
255 (let ((loc (getf (slot-value condition 'excl::plist) :loc)))
256 (signal (make-condition
257 'compiler-condition
258 :original-condition condition
259 :severity :warning
260 :message (format nil "~A" condition)
261 :location (cond (*buffer-name*
262 (make-location
263 (list :buffer *buffer-name*)
264 (list :position *buffer-start-position*)))
265 (loc
266 (destructuring-bind (file . pos) loc
267 (make-location
268 (list :file (namestring (truename file)))
269 (list :position (1+ pos)))))
270 (t
271 (make-location
272 (list :file *compile-filename*)
273 (list :position 1))))))))
274
275 (defimplementation swank-compile-file (*compile-filename* load-p)
276 (handler-bind ((warning #'handle-compiler-warning))
277 (let ((*buffer-name* nil))
278 (multiple-value-bind (fn warn fail)
279 (compile-file *compile-filename*)
280 (when load-p (unless fail (load fn)))))))
281
282 (defimplementation swank-compile-string (string &key buffer position directory)
283 (declare (ignore directory))
284 (handler-bind ((warning #'handle-compiler-warning))
285 (let ((*buffer-name* buffer)
286 (*buffer-start-position* position)
287 (*buffer-string* string))
288 (funcall (compile nil (read-from-string
289 (format nil "(~S () ~A)" 'lambda string)))))))
290
291 #|
292 ;;;; Definition Finding
293
294 (defun find-fspec-location (fspec type)
295 (let ((file (excl::fspec-pathname fspec type)))
296 (etypecase file
297 (pathname
298 (let ((start (scm:find-definition-in-file fspec type file)))
299 (make-location (list :file (namestring (truename file)))
300 (if start
301 (list :position (1+ start))
302 (list :function-name (string fspec))))))
303 ((member :top-level)
304 (list :error (format nil "Defined at toplevel: ~A" fspec)))
305 (null
306 (list :error (format nil "Unkown source location for ~A" fspec))))))
307
308 (defun fspec-definition-locations (fspec)
309 (let ((defs (excl::find-multiple-definitions fspec)))
310 (loop for (fspec type) in defs
311 collect (list fspec (find-fspec-location fspec type)))))
312
313 (defimplementation find-definitions (symbol)
314 (fspec-definition-locations symbol))
315
316 |#
317
318 (defun source-location (symbol)
319 (when (pathnamep (ext:source-pathname symbol))
320 `(((,symbol)
321 (:location
322 (:file ,(namestring (ext:source-pathname symbol)))
323 (:position ,(or (ext:source-file-position symbol) 0) t)
324 (:snippet nil))))))
325
326
327 (defimplementation find-definitions (symbol)
328 (source-location symbol))
329
330 #|
331 Uncomment this if you have patched xref.lisp, as in
332 http://article.gmane.org/gmane.lisp.slime.devel/2425
333 Also, make sure that xref.lisp is loaded by modifying the armedbear
334 part of *sysdep-pathnames* in swank.loader.lisp.
335
336 ;;;; XREF
337 (setq pxref:*handle-package-forms* '(cl:in-package))
338
339 (defmacro defxref (name function)
340 `(defimplementation ,name (name)
341 (xref-results (,function name))))
342
343 (defxref who-calls pxref:list-callers)
344 (defxref who-references pxref:list-readers)
345 (defxref who-binds pxref:list-setters)
346 (defxref who-sets pxref:list-setters)
347 (defxref list-callers pxref:list-callers)
348 (defxref list-callees pxref:list-callees)
349
350 (defun xref-results (symbols)
351 (let ((xrefs '()))
352 (dolist (symbol symbols)
353 (push (list symbol (cadar (source-location symbol))) xrefs))
354 xrefs))
355 |#
356
357 ;;;; Inspecting
358
359 (defclass abcl-inspector (inspector)
360 ())
361
362 (defimplementation make-default-inspector ()
363 (make-instance 'abcl-inspector))
364
365 (defmethod inspect-for-emacs ((slot sys::slot-definition) (inspector abcl-inspector))
366 (declare (ignore inspector))
367 (values "A slot."
368 `("Name: " (:value ,(sys::slot-definition-name slot))
369 (:newline)
370 "Documentation:" (:newline)
371 ,@(when (slot-definition-documentation slot)
372 `((:value ,(slot-definition-documentation slot)) (:newline)))
373 "Initialization:" (:newline)
374 " Args: " (:value ,(sys::slot-definition-initargs slot)) (:newline)
375 " Form: " ,(if (sys::slot-definition-initfunction slot)
376 `(:value ,(sys::slot-definition-initform slot))
377 "#<unspecified>") (:newline)
378 " Function: " (:value ,(sys::slot-definition-initfunction slot))
379 (:newline))))
380
381 (defmethod inspect-for-emacs ((f function) (inspector abcl-inspector))
382 (declare (ignore inspector))
383 (values "A function."
384 `(,@(when (function-name f)
385 `("Name: "
386 ,(princ-to-string (function-name f)) (:newline)))
387 ,@(multiple-value-bind (args present)
388 (sys::arglist f)
389 (when present `("Argument list: " ,(princ-to-string args) (:newline))))
390 (:newline)
391 #+nil,@(when (documentation f t)
392 `("Documentation:" (:newline) ,(documentation f t) (:newline)))
393 ,@(when (function-lambda-expression f)
394 `("Lambda expression:"
395 (:newline) ,(princ-to-string (function-lambda-expression f)) (:newline))))))
396
397 #|
398
399 (defimplementation inspect-for-emacs ((o t) (inspector abcl-inspector))
400 (let* ((class (class-of o))
401 (slots (sys::class-slots class)))
402 (values (format nil "~A~% is a ~A" o class)
403 (mapcar (lambda (slot)
404 (let ((name (sys::slot-definition-name slot)))
405 (cons (princ-to-string name)
406 (slot-value o name))))
407 slots))))
408 |#
409
410 ;;;; Multithreading
411
412 (defimplementation startup-multiprocessing ()
413 #+nil(mp:start-scheduler))
414
415 (defimplementation spawn (fn &key name)
416 (ext:make-thread (lambda () (funcall fn)) :name name))
417
418 (defvar *thread-props-lock* (ext:make-thread-lock))
419
420 (defvar *thread-props* (make-hash-table) ; should be a weak table
421 "A hashtable mapping threads to a plist.")
422
423 (defvar *thread-id-counter* 0)
424
425 (defimplementation thread-id (thread)
426 (ext:with-thread-lock (*thread-props-lock*)
427 (or (getf (gethash thread *thread-props*) 'id)
428 (setf (getf (gethash thread *thread-props*) 'id)
429 (incf *thread-id-counter*)))))
430
431 (defimplementation find-thread (id)
432 (find id (all-threads)
433 :key (lambda (thread)
434 (getf (gethash thread *thread-props*) 'id))))
435
436 (defimplementation thread-name (thread)
437 (ext:thread-name thread))
438
439 (defimplementation thread-status (thread)
440 (format nil "Thread is ~:[dead~;alive~]" (ext:thread-alive-p thread)))
441
442 (defimplementation make-lock (&key name)
443 (ext:make-thread-lock))
444
445 (defimplementation call-with-lock-held (lock function)
446 (ext:with-thread-lock (lock) (funcall function)))
447
448 (defimplementation current-thread ()
449 (ext:current-thread))
450
451 (defimplementation all-threads ()
452 (copy-list (ext:mapcar-threads #'identity)))
453
454 (defimplementation interrupt-thread (thread fn)
455 (ext:interrupt-thread thread fn))
456
457 (defimplementation kill-thread (thread)
458 (ext:destroy-thread thread))
459
460 (defun mailbox (thread)
461 "Return THREAD's mailbox."
462 (ext:with-thread-lock (*thread-props-lock*)
463 (or (getf (gethash thread *thread-props*) 'mailbox)
464 (setf (getf (gethash thread *thread-props*) 'mailbox)
465 (ext:make-mailbox)))))
466
467 (defimplementation send (thread object)
468 (ext:mailbox-send (mailbox thread) object))
469
470 (defimplementation receive ()
471 (ext:mailbox-read (mailbox (ext:current-thread))))
472
473 (defimplementation quit-lisp ()
474 (ext:exit))
475

  ViewVC Help
Powered by ViewVC 1.1.5