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Revision 1.89 - (hide annotations)
Sun Nov 6 17:05:41 2011 UTC (2 years, 5 months ago) by heller
Branch: MAIN
Changes since 1.88: +4 -1 lines
* swank-abcl.lisp (accept-connection): Make it so.
* swank-clisp.lisp (accept-connection): Make it so.
* swank-cmucl.lisp (accept-connection): Make it so.
* swank-lispworks.lisp (accept-connection): Make it so.
* swank-sbcl.lisp (accept-connection): Make it so.
* swank-scl.lisp (accept-connection): Make it so.
1 heller 1.41 ;;;; -*- indent-tabs-mode: nil; outline-regexp: ";;;;;*"; -*-
2 heller 1.1 ;;;
3     ;;; swank-abcl.lisp --- Armedbear CL specific code for SLIME.
4     ;;;
5 asimon 1.9 ;;; Adapted from swank-acl.lisp, Andras Simon, 2004
6 heller 1.1 ;;;
7     ;;; This code has been placed in the Public Domain. All warranties
8 asimon 1.9 ;;; are disclaimed.
9 heller 1.1 ;;;
10    
11     (in-package :swank-backend)
12    
13     (eval-when (:compile-toplevel :load-toplevel :execute)
14     (require :collect) ;just so that it doesn't spoil the flying letters
15 heller 1.84 (require :pprint)
16     (assert (>= (read-from-string (subseq (lisp-implementation-version) 0 4))
17     0.22)
18     () "This file needs ABCL version 0.22 or newer"))
19 asimon 1.20
20 heller 1.52 (defimplementation make-output-stream (write-string)
21     (ext:make-slime-output-stream write-string))
22    
23     (defimplementation make-input-stream (read-string)
24 heller 1.53 (ext:make-slime-input-stream read-string
25     (make-synonym-stream '*standard-output*)))
26 heller 1.1
27 aruttenberg 1.34 (defimplementation call-with-compilation-hooks (function)
28     (funcall function))
29    
30 asimon 1.12 ;;; swank-mop
31 asimon 1.13
32 aruttenberg 1.36 ;;dummies and definition
33 asimon 1.15
34 asimon 1.12 (defclass standard-slot-definition ()())
35 asimon 1.15
36 aruttenberg 1.36 ;(defun class-finalized-p (class) t)
37 asimon 1.15
38 trittweiler 1.72 (defun slot-definition-documentation (slot)
39     (declare (ignore slot))
40     #+nil (documentation slot 't))
41    
42     (defun slot-definition-type (slot)
43     (declare (ignore slot))
44     t)
45    
46     (defun class-prototype (class)
47     (declare (ignore class))
48     nil)
49    
50     (defun generic-function-declarations (gf)
51     (declare (ignore gf))
52     nil)
53    
54     (defun specializer-direct-methods (spec)
55     (mop::class-direct-methods spec))
56 aruttenberg 1.36
57     (defun slot-definition-name (slot)
58     (mop::%slot-definition-name slot))
59    
60     (defun class-slots (class)
61 mevenson 1.86 (mop:class-slots class))
62 aruttenberg 1.36
63     (defun method-generic-function (method)
64     (mop::%method-generic-function method))
65    
66     (defun method-function (method)
67     (mop::%method-function method))
68    
69 aruttenberg 1.37 (defun slot-boundp-using-class (class object slotdef)
70 trittweiler 1.72 (declare (ignore class))
71 aruttenberg 1.37 (system::slot-boundp object (slot-definition-name slotdef)))
72    
73     (defun slot-value-using-class (class object slotdef)
74 trittweiler 1.72 (declare (ignore class))
75 aruttenberg 1.37 (system::slot-value object (slot-definition-name slotdef)))
76 asimon 1.12
77     (import-to-swank-mop
78     '( ;; classes
79     cl:standard-generic-function
80     standard-slot-definition ;;dummy
81     cl:method
82     cl:standard-class
83 mevenson 1.80 #+#.(swank-backend:with-symbol 'compute-applicable-methods-using-classes 'mop)
84     mop::compute-applicable-methods-using-classes
85 asimon 1.12 ;; standard-class readers
86 asimon 1.26 mop::class-default-initargs
87     mop::class-direct-default-initargs
88     mop::class-direct-slots
89     mop::class-direct-subclasses
90     mop::class-direct-superclasses
91     mop::eql-specializer
92 aruttenberg 1.36 mop::class-finalized-p
93 asimon 1.12 cl:class-name
94 asimon 1.26 mop::class-precedence-list
95 asimon 1.14 class-prototype ;;dummy
96 aruttenberg 1.36 class-slots
97     specializer-direct-methods
98 asimon 1.17 ;; eql-specializer accessors
99 asimon 1.26 mop::eql-specializer-object
100 asimon 1.12 ;; generic function readers
101 asimon 1.26 mop::generic-function-argument-precedence-order
102 asimon 1.14 generic-function-declarations ;;dummy
103 asimon 1.26 mop::generic-function-lambda-list
104     mop::generic-function-methods
105     mop::generic-function-method-class
106     mop::generic-function-method-combination
107     mop::generic-function-name
108 asimon 1.12 ;; method readers
109 aruttenberg 1.36 method-generic-function
110     method-function
111 asimon 1.26 mop::method-lambda-list
112     mop::method-specializers
113     mop::method-qualifiers
114 asimon 1.12 ;; slot readers
115 asimon 1.26 mop::slot-definition-allocation
116 asimon 1.13 slot-definition-documentation ;;dummy
117 asimon 1.26 mop::slot-definition-initargs
118     mop::slot-definition-initform
119     mop::slot-definition-initfunction
120 aruttenberg 1.36 slot-definition-name
121 asimon 1.13 slot-definition-type ;;dummy
122 asimon 1.26 mop::slot-definition-readers
123 aruttenberg 1.37 mop::slot-definition-writers
124     slot-boundp-using-class
125     slot-value-using-class
126     ))
127 asimon 1.12
128 heller 1.1 ;;;; TCP Server
129    
130    
131     (defimplementation preferred-communication-style ()
132 heller 1.84 :spawn)
133 heller 1.1
134     (defimplementation create-socket (host port)
135     (ext:make-server-socket port))
136    
137     (defimplementation local-port (socket)
138     (java:jcall (java:jmethod "java.net.ServerSocket" "getLocalPort") socket))
139    
140     (defimplementation close-socket (socket)
141     (ext:server-socket-close socket))
142    
143 heller 1.23 (defimplementation accept-connection (socket
144 heller 1.40 &key external-format buffering timeout)
145 trittweiler 1.64 (declare (ignore buffering timeout))
146     (ext:get-socket-stream (ext:socket-accept socket)
147 heller 1.89 :element-type (if external-format
148     'character
149     '(unsigned-byte 8))
150     :external-format (or external-format :default)))
151 trittweiler 1.64
152 heller 1.88 ;;;; UTF8
153    
154     ;; faster please!
155     (defimplementation string-to-utf8 (s)
156     (jbytes-to-octets
157     (java:jcall
158     (java:jmethod "java.lang.String" "getBytes" "java.lang.String")
159     s
160     "UTF8")))
161    
162     (defimplementation utf8-to-string (u)
163     (java:jnew
164     (java:jconstructor "org.armedbear.lisp.SimpleString"
165     "java.lang.String")
166     (java:jnew (java:jconstructor "java.lang.String" "[B" "java.lang.String")
167     (octets-to-jbytes u)
168     "UTF8")))
169    
170     (defun octets-to-jbytes (octets)
171     (declare (type octets (simple-array (unsigned-byte 8) (*))))
172     (let* ((len (length octets))
173     (bytes (java:jnew-array "byte" len)))
174     (loop for byte across octets
175     for i from 0
176     do (java:jstatic (java:jmethod "java.lang.reflect.Array" "setByte"
177     "java.lang.Object" "int" "byte")
178     "java.lang.relect.Array"
179     bytes i byte))
180     bytes))
181    
182     (defun jbytes-to-octets (jbytes)
183     (let* ((len (java:jarray-length jbytes))
184     (octets (make-array len :element-type '(unsigned-byte 8))))
185     (loop for i from 0 below len
186     for jbyte = (java:jarray-ref jbytes i)
187     do (setf (aref octets i) jbyte))
188     octets))
189    
190 trittweiler 1.64 ;;;; External formats
191    
192     (defvar *external-format-to-coding-system*
193     '((:iso-8859-1 "latin-1" "iso-latin-1" "iso-8859-1")
194     ((:iso-8859-1 :eol-style :lf) "latin-1-unix" "iso-latin-1-unix" "iso-8859-1-unix")
195     (:utf-8 "utf-8")
196     ((:utf-8 :eol-style :lf) "utf-8-unix")
197     (:euc-jp "euc-jp")
198     ((:euc-jp :eol-style :lf) "euc-jp-unix")
199     (:us-ascii "us-ascii")
200     ((:us-ascii :eol-style :lf) "us-ascii-unix")))
201    
202     (defimplementation find-external-format (coding-system)
203     (car (rassoc-if (lambda (x)
204     (member coding-system x :test #'equal))
205     *external-format-to-coding-system*)))
206 heller 1.1
207     ;;;; Unix signals
208    
209     (defimplementation getpid ()
210 heller 1.48 (handler-case
211 trittweiler 1.44 (let* ((runtime
212     (java:jstatic "getRuntime" "java.lang.Runtime"))
213     (command
214     (java:jnew-array-from-array
215     "java.lang.String" #("sh" "-c" "echo $PPID")))
216     (runtime-exec-jmethod
217     ;; Complicated because java.lang.Runtime.exec() is
218     ;; overloaded on a non-primitive type (array of
219 heller 1.48 ;; java.lang.String), so we have to use the actual
220     ;; parameter instance to get java.lang.Class
221 trittweiler 1.44 (java:jmethod "java.lang.Runtime" "exec"
222     (java:jcall
223     (java:jmethod "java.lang.Object" "getClass")
224     command)))
225     (process
226     (java:jcall runtime-exec-jmethod runtime command))
227     (output
228 heller 1.48 (java:jcall (java:jmethod "java.lang.Process" "getInputStream")
229 trittweiler 1.44 process)))
230 heller 1.48 (java:jcall (java:jmethod "java.lang.Process" "waitFor")
231     process)
232     (loop :with b :do
233     (setq b
234     (java:jcall (java:jmethod "java.io.InputStream" "read")
235     output))
236     :until (member b '(-1 #x0a)) ; Either EOF or LF
237     :collecting (code-char b) :into result
238     :finally (return
239     (parse-integer (coerce result 'string)))))
240     (t () 0)))
241 heller 1.1
242     (defimplementation lisp-implementation-type-name ()
243     "armedbear")
244    
245     (defimplementation set-default-directory (directory)
246     (let ((dir (sys::probe-directory directory)))
247     (when dir (setf *default-pathname-defaults* dir))
248     (namestring dir)))
249    
250    
251     ;;;; Misc
252    
253 heller 1.40 (defimplementation arglist (fun)
254     (cond ((symbolp fun)
255 mevenson 1.77 (multiple-value-bind (arglist present)
256     (sys::arglist fun)
257     (when (and (not present)
258     (fboundp fun)
259     (typep (symbol-function fun) 'standard-generic-function))
260     (setq arglist
261     (mop::generic-function-lambda-list (symbol-function fun))
262     present
263     t))
264     (if present arglist :not-available)))
265 heller 1.40 (t :not-available)))
266 asimon 1.13
267     (defimplementation function-name (function)
268     (nth-value 2 (function-lambda-expression function)))
269 heller 1.1
270     (defimplementation macroexpand-all (form)
271     (macroexpand form))
272    
273     (defimplementation describe-symbol-for-emacs (symbol)
274     (let ((result '()))
275     (flet ((doc (kind &optional (sym symbol))
276     (or (documentation sym kind) :not-documented))
277     (maybe-push (property value)
278     (when value
279     (setf result (list* property value result)))))
280     (maybe-push
281     :variable (when (boundp symbol)
282     (doc 'variable)))
283 mevenson 1.87 (when (fboundp symbol)
284     (maybe-push
285     (cond ((macro-function symbol) :macro)
286     ((special-operator-p symbol) :special-operator)
287     ((typep (fdefinition symbol) 'generic-function)
288     :generic-function)
289     (t :function))
290     (doc 'function)))
291 heller 1.1 (maybe-push
292     :class (if (find-class symbol nil)
293     (doc 'class)))
294     result)))
295    
296     (defimplementation describe-definition (symbol namespace)
297     (ecase namespace
298     (:variable
299     (describe symbol))
300     ((:function :generic-function)
301     (describe (symbol-function symbol)))
302     (:class
303     (describe (find-class symbol)))))
304    
305     (defimplementation describe-definition (symbol namespace)
306     (ecase namespace
307     (:variable
308     (describe symbol))
309     ((:function :generic-function)
310     (describe (symbol-function symbol)))
311     (:class
312     (describe (find-class symbol)))))
313    
314 heller 1.84
315 heller 1.1 ;;;; Debugger
316    
317 heller 1.84 ;; Copied from swank-sbcl.lisp.
318     ;;
319     ;; Notice that *INVOKE-DEBUGGER-HOOK* is tried before *DEBUGGER-HOOK*,
320     ;; so we have to make sure that the latter gets run when it was
321     ;; established locally by a user (i.e. changed meanwhile.)
322 mevenson 1.73 (defun make-invoke-debugger-hook (hook)
323 heller 1.84 (lambda (condition old-hook)
324     (if *debugger-hook*
325     (funcall *debugger-hook* condition old-hook)
326     (funcall hook condition old-hook))))
327 mevenson 1.73
328     (defimplementation call-with-debugger-hook (hook fun)
329     (let ((*debugger-hook* hook)
330     (sys::*invoke-debugger-hook* (make-invoke-debugger-hook hook)))
331     (funcall fun)))
332    
333     (defimplementation install-debugger-globally (function)
334     (setq *debugger-hook* function)
335     (setq sys::*invoke-debugger-hook* (make-invoke-debugger-hook function)))
336    
337 heller 1.1 (defvar *sldb-topframe*)
338    
339     (defimplementation call-with-debugging-environment (debugger-loop-fn)
340 mevenson 1.68 (let* ((magic-token (intern "SWANK-DEBUGGER-HOOK" 'swank))
341     (*sldb-topframe*
342     (second (member magic-token (sys:backtrace)
343 heller 1.84 :key (lambda (frame)
344     (first (sys:frame-to-list frame)))))))
345 heller 1.1 (funcall debugger-loop-fn)))
346    
347 mevenson 1.68 (defun backtrace (start end)
348     "A backtrace without initial SWANK frames."
349 heller 1.84 (let ((backtrace (sys:backtrace)))
350 mevenson 1.68 (subseq (or (member *sldb-topframe* backtrace) backtrace)
351     start end)))
352    
353 heller 1.1 (defun nth-frame (index)
354 mevenson 1.68 (nth index (backtrace 0 nil)))
355 heller 1.1
356     (defimplementation compute-backtrace (start end)
357     (let ((end (or end most-positive-fixnum)))
358 mevenson 1.68 (backtrace start end)))
359 heller 1.1
360 heller 1.58 (defimplementation print-frame (frame stream)
361 heller 1.84 (write-string (sys:frame-to-string frame)
362     stream))
363 heller 1.1
364     (defimplementation frame-locals (index)
365 aruttenberg 1.31 `(,(list :name "??" :id 0 :value "??")))
366 heller 1.25
367 heller 1.1 #+nil
368     (defimplementation disassemble-frame (index)
369     (disassemble (debugger:frame-function (nth-frame index))))
370    
371 heller 1.65 (defimplementation frame-source-location (index)
372 heller 1.85 (let ((frame (nth-frame index)))
373     (or (source-location (nth-frame index))
374     `(:error ,(format nil "No source for frame: ~a" frame)))))
375 heller 1.1
376     #+nil
377     (defimplementation eval-in-frame (form frame-number)
378     (debugger:eval-form-in-context
379     form
380     (debugger:environment-of-frame (nth-frame frame-number))))
381    
382     #+nil
383     (defimplementation return-from-frame (frame-number form)
384     (let ((frame (nth-frame frame-number)))
385     (multiple-value-call #'debugger:frame-return
386     frame (debugger:eval-form-in-context
387     form
388     (debugger:environment-of-frame frame)))))
389    
390     ;;; XXX doesn't work for frames with arguments
391     #+nil
392     (defimplementation restart-frame (frame-number)
393     (let ((frame (nth-frame frame-number)))
394     (debugger:frame-retry frame (debugger:frame-function frame))))
395    
396     ;;;; Compiler hooks
397    
398     (defvar *buffer-name* nil)
399     (defvar *buffer-start-position*)
400     (defvar *buffer-string*)
401     (defvar *compile-filename*)
402    
403 aruttenberg 1.38 (in-package :swank-backend)
404    
405 mevenson 1.79 (defvar *abcl-signaled-conditions*)
406    
407 heller 1.1 (defun handle-compiler-warning (condition)
408 heller 1.59 (let ((loc (when (and jvm::*compile-file-pathname*
409     system::*source-position*)
410     (cons jvm::*compile-file-pathname* system::*source-position*))))
411     ;; filter condition signaled more than once.
412     (unless (member condition *abcl-signaled-conditions*)
413 aruttenberg 1.38 (push condition *abcl-signaled-conditions*)
414     (signal (make-condition
415     'compiler-condition
416     :original-condition condition
417     :severity :warning
418     :message (format nil "~A" condition)
419     :location (cond (*buffer-name*
420     (make-location
421     (list :buffer *buffer-name*)
422 heller 1.55 (list :offset *buffer-start-position* 0)))
423 aruttenberg 1.38 (loc
424     (destructuring-bind (file . pos) loc
425     (make-location
426     (list :file (namestring (truename file)))
427     (list :position (1+ pos)))))
428     (t
429 heller 1.1 (make-location
430 heller 1.59 (list :file (namestring *compile-filename*))
431 aruttenberg 1.38 (list :position 1)))))))))
432    
433 heller 1.63 (defimplementation swank-compile-file (input-file output-file
434 sboukarev 1.82 load-p external-format
435     &key policy)
436     (declare (ignore external-format policy))
437 aruttenberg 1.38 (let ((jvm::*resignal-compiler-warnings* t)
438     (*abcl-signaled-conditions* nil))
439     (handler-bind ((warning #'handle-compiler-warning))
440     (let ((*buffer-name* nil)
441 heller 1.63 (*compile-filename* input-file))
442     (multiple-value-bind (fn warn fail)
443     (compile-file input-file :output-file output-file)
444 heller 1.56 (values fn warn
445 trittweiler 1.72 (and fn load-p
446     (not (load fn)))))))))
447 heller 1.1
448 heller 1.62 (defimplementation swank-compile-string (string &key buffer position filename
449     policy)
450     (declare (ignore filename policy))
451 aruttenberg 1.38 (let ((jvm::*resignal-compiler-warnings* t)
452     (*abcl-signaled-conditions* nil))
453     (handler-bind ((warning #'handle-compiler-warning))
454     (let ((*buffer-name* buffer)
455     (*buffer-start-position* position)
456     (*buffer-string* string))
457     (funcall (compile nil (read-from-string
458 heller 1.57 (format nil "(~S () ~A)" 'lambda string))))
459     t))))
460 heller 1.1
461     #|
462     ;;;; Definition Finding
463    
464     (defun find-fspec-location (fspec type)
465     (let ((file (excl::fspec-pathname fspec type)))
466     (etypecase file
467     (pathname
468     (let ((start (scm:find-definition-in-file fspec type file)))
469     (make-location (list :file (namestring (truename file)))
470     (if start
471     (list :position (1+ start))
472     (list :function-name (string fspec))))))
473     ((member :top-level)
474     (list :error (format nil "Defined at toplevel: ~A" fspec)))
475     (null
476     (list :error (format nil "Unkown source location for ~A" fspec))))))
477    
478     (defun fspec-definition-locations (fspec)
479     (let ((defs (excl::find-multiple-definitions fspec)))
480     (loop for (fspec type) in defs
481     collect (list fspec (find-fspec-location fspec type)))))
482    
483     (defimplementation find-definitions (symbol)
484     (fspec-definition-locations symbol))
485 heller 1.85 |#
486 heller 1.1
487 heller 1.85 (defgeneric source-location (object))
488 heller 1.1
489 heller 1.85 (defmethod source-location ((symbol symbol))
490 asimon 1.24 (when (pathnamep (ext:source-pathname symbol))
491 mevenson 1.69 (let ((pos (ext:source-file-position symbol)))
492 heller 1.85 `(:location
493     (:file ,(namestring (ext:source-pathname symbol)))
494     ,(if pos
495     (list :position (1+ pos))
496     (list :function-name (string symbol)))
497     (:align t)))))
498    
499     (defmethod source-location ((frame sys::java-stack-frame))
500     (destructuring-bind (&key class method file line) (sys:frame-to-list frame)
501     (declare (ignore method))
502     (let ((file (or (find-file-in-path file *source-path*)
503     (let ((f (format nil "~{~a/~}~a"
504     (butlast (split-string class "\\."))
505     file)))
506     (find-file-in-path f *source-path*)))))
507     (and file
508     `(:location ,file (:line ,line) ())))))
509    
510     (defmethod source-location ((frame sys::lisp-stack-frame))
511     (destructuring-bind (operator &rest args) (sys:frame-to-list frame)
512     (declare (ignore args))
513     (etypecase operator
514     (function (source-location operator))
515     (list nil)
516     (symbol (source-location operator)))))
517    
518     (defmethod source-location ((fun function))
519     (let ((name (function-name fun)))
520     (and name (source-location name))))
521    
522     (defun system-property (name)
523     (java:jstatic "getProperty" "java.lang.System" name))
524    
525     (defun pathname-parent (pathname)
526     (make-pathname :directory (butlast (pathname-directory pathname))))
527    
528     (defun pathname-absolute-p (pathname)
529     (eq (car (pathname-directory pathname)) ':absolute))
530    
531     (defun split-string (string regexp)
532     (coerce
533     (java:jcall (java:jmethod "java.lang.String" "split" "java.lang.String")
534     string regexp)
535     'list))
536    
537     (defun path-separator ()
538     (java:jfield "java.io.File" "pathSeparator"))
539    
540     (defun search-path-property (prop-name)
541     (let ((string (system-property prop-name)))
542     (and string
543     (remove nil
544     (mapcar #'truename
545     (split-string string (path-separator)))))))
546    
547     (defun jdk-source-path ()
548     (let* ((jre-home (truename (system-property "java.home")))
549     (src-zip (merge-pathnames "src.zip" (pathname-parent jre-home)))
550     (truename (probe-file src-zip)))
551     (and truename (list truename))))
552    
553     (defun class-path ()
554     (append (search-path-property "java.class.path")
555     (search-path-property "sun.boot.class.path")))
556    
557     (defvar *source-path*
558     (append (search-path-property "user.dir")
559     (jdk-source-path)
560     ;;(list (truename "/scratch/abcl/src"))
561     )
562     "List of directories to search for source files.")
563    
564     (defun zipfile-contains-p (zipfile-name entry-name)
565     (let ((zipfile (java:jnew (java:jconstructor "java.util.zip.ZipFile"
566     "java.lang.String")
567     zipfile-name)))
568     (java:jcall
569     (java:jmethod "java.util.zip.ZipFile" "getEntry" "java.lang.String")
570     zipfile entry-name)))
571    
572     ;; (find-file-in-path "java/lang/String.java" *source-path*)
573     ;; (find-file-in-path "Lisp.java" *source-path*)
574    
575     ;; Try fo find FILENAME in PATH. If found, return a file spec as
576     ;; needed by Emacs. We also look in zip files.
577     (defun find-file-in-path (filename path)
578     (labels ((try (dir)
579     (cond ((not (pathname-type dir))
580     (let ((f (probe-file (merge-pathnames filename dir))))
581     (and f `(:file ,(namestring f)))))
582     ((equal (pathname-type dir) "zip")
583     (try-zip dir))
584     (t (error "strange path element: ~s" path))))
585     (try-zip (zip)
586     (let* ((zipfile-name (namestring (truename zip))))
587     (and (zipfile-contains-p zipfile-name filename)
588     `(:dir ,zipfile-name ,filename)))))
589     (cond ((pathname-absolute-p filename) (probe-file filename))
590     (t
591     (loop for dir in path
592     if (try dir) return it)))))
593 asimon 1.2
594     (defimplementation find-definitions (symbol)
595 heller 1.85 (let ((srcloc (source-location symbol)))
596     (and srcloc `((,symbol ,srcloc)))))
597 asimon 1.2
598 asimon 1.17 #|
599     Uncomment this if you have patched xref.lisp, as in
600     http://article.gmane.org/gmane.lisp.slime.devel/2425
601     Also, make sure that xref.lisp is loaded by modifying the armedbear
602     part of *sysdep-pathnames* in swank.loader.lisp.
603 asimon 1.2
604 heller 1.1 ;;;; XREF
605 asimon 1.17 (setq pxref:*handle-package-forms* '(cl:in-package))
606 heller 1.1
607     (defmacro defxref (name function)
608     `(defimplementation ,name (name)
609     (xref-results (,function name))))
610    
611     (defxref who-calls pxref:list-callers)
612     (defxref who-references pxref:list-readers)
613     (defxref who-binds pxref:list-setters)
614     (defxref who-sets pxref:list-setters)
615     (defxref list-callers pxref:list-callers)
616     (defxref list-callees pxref:list-callees)
617    
618     (defun xref-results (symbols)
619     (let ((xrefs '()))
620     (dolist (symbol symbols)
621 asimon 1.17 (push (list symbol (cadar (source-location symbol))) xrefs))
622 heller 1.1 xrefs))
623     |#
624    
625 asimon 1.15 ;;;; Inspecting
626 mevenson 1.83 (defmethod emacs-inspect ((o t))
627     (let ((parts (sys:inspected-parts o)))
628     `("The object is of type " ,(symbol-name (type-of o)) "." (:newline)
629     ,@(if parts
630     (loop :for (label . value) :in parts
631     :appending (label-value-line label value))
632     (list "No inspectable parts, dumping output of CL:DESCRIBE:" '(:newline)
633     (with-output-to-string (desc) (describe o desc)))))))
634 asimon 1.15
635 heller 1.46 (defmethod emacs-inspect ((slot mop::slot-definition))
636 mevenson 1.79 `("Name: " (:value ,(mop::%slot-definition-name slot))
637     (:newline)
638     "Documentation:" (:newline)
639     ,@(when (slot-definition-documentation slot)
640     `((:value ,(slot-definition-documentation slot)) (:newline)))
641     "Initialization:" (:newline)
642     " Args: " (:value ,(mop::%slot-definition-initargs slot)) (:newline)
643     " Form: " ,(if (mop::%slot-definition-initfunction slot)
644     `(:value ,(mop::%slot-definition-initform slot))
645     "#<unspecified>") (:newline)
646     " Function: " (:value ,(mop::%slot-definition-initfunction slot))
647     (:newline)))
648 asimon 1.16
649 heller 1.46 (defmethod emacs-inspect ((f function))
650 mevenson 1.79 `(,@(when (function-name f)
651     `("Name: "
652     ,(princ-to-string (function-name f)) (:newline)))
653     ,@(multiple-value-bind (args present)
654     (sys::arglist f)
655     (when present `("Argument list: " ,(princ-to-string args) (:newline))))
656     (:newline)
657     #+nil,@(when (documentation f t)
658     `("Documentation:" (:newline) ,(documentation f t) (:newline)))
659     ,@(when (function-lambda-expression f)
660     `("Lambda expression:"
661 mevenson 1.83 (:newline) ,(princ-to-string
662     (function-lambda-expression f)) (:newline)))))
663 mevenson 1.81
664     ;;; Although by convention toString() is supposed to be a
665     ;;; non-computationally expensive operation this isn't always the
666     ;;; case, so make its computation a user interaction.
667     (defparameter *to-string-hashtable* (make-hash-table))
668 mevenson 1.79 (defmethod emacs-inspect ((o java:java-object))
669 mevenson 1.81 (let ((to-string (lambda ()
670     (handler-case
671     (setf (gethash o *to-string-hashtable*)
672     (java:jcall "toString" o))
673     (t (e)
674     (setf (gethash o *to-string-hashtable*)
675     (format nil "Could not invoke toString(): ~A"
676     e)))))))
677     (append
678     (if (gethash o *to-string-hashtable*)
679     (label-value-line "toString()" (gethash o *to-string-hashtable*))
680     `((:action "[compute toString()]" ,to-string) (:newline)))
681     (loop :for (label . value) :in (sys:inspected-parts o)
682     :appending (label-value-line label value)))))
683 mevenson 1.86
684 heller 1.1 ;;;; Multithreading
685    
686 heller 1.84 (defimplementation spawn (fn &key name)
687     (threads:make-thread (lambda () (funcall fn)) :name name))
688    
689     (defvar *thread-plists* (make-hash-table) ; should be a weak table
690     "A hashtable mapping threads to a plist.")
691    
692     (defvar *thread-id-counter* 0)
693    
694     (defimplementation thread-id (thread)
695     (threads:synchronized-on *thread-plists*
696     (or (getf (gethash thread *thread-plists*) 'id)
697     (setf (getf (gethash thread *thread-plists*) 'id)
698 heller 1.6 (incf *thread-id-counter*)))))
699    
700 heller 1.84 (defimplementation find-thread (id)
701     (find id (all-threads)
702 asimon 1.7 :key (lambda (thread)
703 heller 1.84 (getf (gethash thread *thread-plists*) 'id))))
704 heller 1.6
705 heller 1.84 (defimplementation thread-name (thread)
706     (threads:thread-name thread))
707 heller 1.1
708 heller 1.84 (defimplementation thread-status (thread)
709     (format nil "Thread is ~:[dead~;alive~]" (threads:thread-alive-p thread)))
710 heller 1.1
711 heller 1.84 (defimplementation make-lock (&key name)
712     (declare (ignore name))
713     (threads:make-thread-lock))
714    
715     (defimplementation call-with-lock-held (lock function)
716     (threads:with-thread-lock (lock) (funcall function)))
717    
718     (defimplementation current-thread ()
719     (threads:current-thread))
720    
721     (defimplementation all-threads ()
722     (copy-list (threads:mapcar-threads #'identity)))
723    
724     (defimplementation thread-alive-p (thread)
725     (member thread (all-threads)))
726    
727     (defimplementation interrupt-thread (thread fn)
728     (threads:interrupt-thread thread fn))
729    
730     (defimplementation kill-thread (thread)
731     (threads:destroy-thread thread))
732    
733     (defstruct mailbox
734     (queue '()))
735    
736     (defun mailbox (thread)
737     "Return THREAD's mailbox."
738     (threads:synchronized-on *thread-plists*
739     (or (getf (gethash thread *thread-plists*) 'mailbox)
740     (setf (getf (gethash thread *thread-plists*) 'mailbox)
741     (make-mailbox)))))
742    
743     (defimplementation send (thread message)
744     (let ((mbox (mailbox thread)))
745     (threads:synchronized-on mbox
746     (setf (mailbox-queue mbox)
747     (nconc (mailbox-queue mbox) (list message)))
748     (threads:object-notify-all mbox))))
749    
750     (defimplementation receive-if (test &optional timeout)
751     (let* ((mbox (mailbox (current-thread))))
752     (assert (or (not timeout) (eq timeout t)))
753     (loop
754     (check-slime-interrupts)
755     (threads:synchronized-on mbox
756     (let* ((q (mailbox-queue mbox))
757     (tail (member-if test q)))
758     (when tail
759     (setf (mailbox-queue mbox) (nconc (ldiff q tail) (cdr tail)))
760     (return (car tail)))
761 mevenson 1.67 (when (eq timeout t) (return (values nil t)))
762 heller 1.84 (threads:object-wait mbox 0.3))))))
763 heller 1.1
764     (defimplementation quit-lisp ()
765     (ext:exit))

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