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Revision 1.133 - (hide annotations)
Mon Sep 28 11:33:43 2009 UTC (4 years, 6 months ago) by sboukarev
Branch: MAIN
Changes since 1.132: +19 -11 lines
swank-lispworks.lisp (replace-strings-with-symbols): Didn't work on
non-proper lists. Reported by Madhu.
1 heller 1.74 ;;; -*- indent-tabs-mode: nil -*-
2 heller 1.1 ;;;
3     ;;; swank-lispworks.lisp --- LispWorks specific code for SLIME.
4     ;;;
5     ;;; Created 2003, Helmut Eller
6     ;;;
7     ;;; This code has been placed in the Public Domain. All warranties
8     ;;; are disclaimed.
9     ;;;
10    
11 heller 1.30 (in-package :swank-backend)
12 heller 1.1
13     (eval-when (:compile-toplevel :load-toplevel :execute)
14 heller 1.79 (require "comm")
15     (import-from :stream *gray-stream-symbols* :swank-backend))
16 heller 1.1
17 heller 1.62 (import-swank-mop-symbols :clos '(:slot-definition-documentation
18 msimmons 1.129 :slot-boundp-using-class
19     :slot-value-using-class
20     :slot-makunbound-using-class
21 heller 1.62 :eql-specializer
22 heller 1.65 :eql-specializer-object
23     :compute-applicable-methods-using-classes))
24 msimmons 1.57
25     (defun swank-mop:slot-definition-documentation (slot)
26     (documentation slot t))
27 mbaringer 1.59
28 msimmons 1.129 (defun swank-mop:slot-boundp-using-class (class object slotd)
29     (clos:slot-boundp-using-class class object
30     (clos:slot-definition-name slotd)))
31    
32     (defun swank-mop:slot-value-using-class (class object slotd)
33     (clos:slot-value-using-class class object
34     (clos:slot-definition-name slotd)))
35    
36     (defun (setf swank-mop:slot-value-using-class) (value class object slotd)
37     (setf (clos:slot-value-using-class class object
38     (clos:slot-definition-name slotd))
39     value))
40    
41     (defun swank-mop:slot-makunbound-using-class (class object slotd)
42     (clos:slot-makunbound-using-class class object
43     (clos:slot-definition-name slotd)))
44    
45 heller 1.65 (defun swank-mop:compute-applicable-methods-using-classes (gf classes)
46     (clos::compute-applicable-methods-from-classes gf classes))
47    
48     ;; lispworks doesn't have the eql-specializer class, it represents
49     ;; them as a list of `(EQL ,OBJECT)
50 mbaringer 1.59 (deftype swank-mop:eql-specializer () 'cons)
51    
52     (defun swank-mop:eql-specializer-object (eql-spec)
53     (second eql-spec))
54 msimmons 1.57
55 heller 1.111 (eval-when (:compile-toplevel :execute :load-toplevel)
56     (defvar *original-defimplementation* (macro-function 'defimplementation))
57     (defmacro defimplementation (&whole whole name args &body body
58     &environment env)
59     (declare (ignore args body))
60     `(progn
61     (dspec:record-definition '(defun ,name) (dspec:location)
62     :check-redefinition-p nil)
63     ,(funcall *original-defimplementation* whole env))))
64 heller 1.49
65 heller 1.13 ;;; TCP server
66 lgorrie 1.12
67 heller 1.30 (defimplementation preferred-communication-style ()
68     :spawn)
69 heller 1.18
70 heller 1.13 (defun socket-fd (socket)
71     (etypecase socket
72     (fixnum socket)
73     (comm:socket-stream (comm:socket-stream-socket socket))))
74    
75 heller 1.22 (defimplementation create-socket (host port)
76 heller 1.13 (multiple-value-bind (socket where errno)
77 msimmons 1.64 #-(or lispworks4.1 (and macosx lispworks4.3))
78     (comm::create-tcp-socket-for-service port :address host)
79     #+(or lispworks4.1 (and macosx lispworks4.3))
80     (comm::create-tcp-socket-for-service port)
81 heller 1.13 (cond (socket socket)
82 heller 1.14 (t (error 'network-error
83 heller 1.13 :format-control "~A failed: ~A (~D)"
84     :format-arguments (list where
85     (list #+unix (lw:get-unix-error errno))
86 heller 1.14 errno))))))
87 heller 1.13
88 lgorrie 1.17 (defimplementation local-port (socket)
89 heller 1.13 (nth-value 1 (comm:get-socket-address (socket-fd socket))))
90    
91 lgorrie 1.17 (defimplementation close-socket (socket)
92 heller 1.13 (comm::close-socket (socket-fd socket)))
93    
94 heller 1.63 (defimplementation accept-connection (socket
95 heller 1.85 &key external-format buffering timeout)
96 heller 1.118 (declare (ignore buffering))
97 heller 1.61 (let* ((fd (comm::get-fd-from-socket socket)))
98 heller 1.13 (assert (/= fd -1))
99 heller 1.118 (assert (valid-external-format-p external-format))
100     (cond ((member (first external-format) '(:latin-1 :ascii))
101     (make-instance 'comm:socket-stream
102     :socket fd
103     :direction :io
104     :read-timeout timeout
105     :element-type 'base-char))
106     (t
107     (make-flexi-stream
108     (make-instance 'comm:socket-stream
109     :socket fd
110     :direction :io
111     :read-timeout timeout
112     :element-type '(unsigned-byte 8))
113     external-format)))))
114    
115     (defun make-flexi-stream (stream external-format)
116     (unless (member :flexi-streams *features*)
117     (error "Cannot use external format ~A without having installed flexi-streams in the inferior-lisp."
118     external-format))
119     (funcall (read-from-string "FLEXI-STREAMS:MAKE-FLEXI-STREAM")
120     stream
121     :external-format
122     (apply (read-from-string "FLEXI-STREAMS:MAKE-EXTERNAL-FORMAT")
123     external-format)))
124 heller 1.13
125 heller 1.88 ;;; Coding Systems
126    
127 heller 1.118 (defun valid-external-format-p (external-format)
128     (member external-format *external-format-to-coding-system*
129     :test #'equal :key #'car))
130    
131 heller 1.88 (defvar *external-format-to-coding-system*
132     '(((:latin-1 :eol-style :lf)
133     "latin-1-unix" "iso-latin-1-unix" "iso-8859-1-unix")
134     ((:latin-1)
135     "latin-1" "iso-latin-1" "iso-8859-1")
136     ((:utf-8) "utf-8")
137     ((:utf-8 :eol-style :lf) "utf-8-unix")
138     ((:euc-jp) "euc-jp")
139     ((:euc-jp :eol-style :lf) "euc-jp-unix")
140     ((:ascii) "us-ascii")
141     ((:ascii :eol-style :lf) "us-ascii-unix")))
142    
143     (defimplementation find-external-format (coding-system)
144     (car (rassoc-if (lambda (x) (member coding-system x :test #'equal))
145     *external-format-to-coding-system*)))
146    
147 heller 1.15 ;;; Unix signals
148    
149 heller 1.18 (defun sigint-handler ()
150 heller 1.16 (with-simple-restart (continue "Continue from SIGINT handler.")
151     (invoke-debugger "SIGINT")))
152 heller 1.1
153 heller 1.18 (defun make-sigint-handler (process)
154     (lambda (&rest args)
155     (declare (ignore args))
156     (mp:process-interrupt process #'sigint-handler)))
157    
158 heller 1.125 (defun set-sigint-handler ()
159     ;; Set SIGINT handler on Swank request handler thread.
160     #-win32
161     (sys::set-signal-handler +sigint+
162     (make-sigint-handler mp:*current-process*)))
163    
164     #-win32
165     (defimplementation install-sigint-handler (handler)
166     (sys::set-signal-handler +sigint+
167     (let ((self mp:*current-process*))
168     (lambda (&rest args)
169     (declare (ignore args))
170     (mp:process-interrupt self handler)))))
171    
172 heller 1.38 (defimplementation call-without-interrupts (fn)
173 heller 1.37 (lw:without-interrupts (funcall fn)))
174 heller 1.48
175 heller 1.29 (defimplementation getpid ()
176     #+win32 (win32:get-current-process-id)
177     #-win32 (system::getpid))
178 heller 1.1
179 heller 1.23 (defimplementation lisp-implementation-type-name ()
180     "lispworks")
181    
182 heller 1.36 (defimplementation set-default-directory (directory)
183     (namestring (hcl:change-directory directory)))
184 heller 1.40
185     ;;;; Documentation
186 heller 1.36
187 sboukarev 1.133 (defun map-list (function list)
188     "Map over proper and not proper lists."
189     (loop for (car . cdr) on list
190     collect (funcall function car) into result
191     when (null cdr) return result
192     when (atom cdr) return (nconc result (funcall function cdr))))
193    
194 sboukarev 1.132 (defun replace-strings-with-symbols (tree)
195 sboukarev 1.133 (map-list
196     (lambda (x)
197     (typecase x
198     (list
199     (replace-strings-with-symbols x))
200     (symbol
201     x)
202     (string
203     (intern x))
204     (t
205     (intern (write-to-string x)))))
206     tree))
207 sboukarev 1.132
208 msimmons 1.57 (defimplementation arglist (symbol-or-function)
209     (let ((arglist (lw:function-lambda-list symbol-or-function)))
210 heller 1.30 (etypecase arglist
211 heller 1.39 ((member :dont-know)
212     :not-available)
213     (list
214 sboukarev 1.132 (replace-strings-with-symbols arglist)))))
215 msimmons 1.57
216     (defimplementation function-name (function)
217     (nth-value 2 (function-lambda-expression function)))
218 heller 1.1
219 lgorrie 1.17 (defimplementation macroexpand-all (form)
220 heller 1.1 (walker:walk-form form))
221    
222 heller 1.37 (defun generic-function-p (object)
223 heller 1.36 (typep object 'generic-function))
224    
225 lgorrie 1.17 (defimplementation describe-symbol-for-emacs (symbol)
226 heller 1.1 "Return a plist describing SYMBOL.
227     Return NIL if the symbol is unbound."
228     (let ((result '()))
229     (labels ((first-line (string)
230     (let ((pos (position #\newline string)))
231     (if (null pos) string (subseq string 0 pos))))
232     (doc (kind &optional (sym symbol))
233 heller 1.116 (let ((string (or (documentation sym kind))))
234 heller 1.1 (if string
235     (first-line string)
236     :not-documented)))
237     (maybe-push (property value)
238     (when value
239     (setf result (list* property value result)))))
240     (maybe-push
241     :variable (when (boundp symbol)
242     (doc 'variable)))
243     (maybe-push
244 heller 1.36 :generic-function (if (and (fboundp symbol)
245 heller 1.37 (generic-function-p (fdefinition symbol)))
246 heller 1.36 (doc 'function)))
247     (maybe-push
248     :function (if (and (fboundp symbol)
249 heller 1.37 (not (generic-function-p (fdefinition symbol))))
250 heller 1.1 (doc 'function)))
251     (maybe-push
252 heller 1.49 :setf (let ((setf-name (sys:underlying-setf-name `(setf ,symbol))))
253     (if (fboundp setf-name)
254     (doc 'setf))))
255     (maybe-push
256 heller 1.1 :class (if (find-class symbol nil)
257     (doc 'class)))
258 heller 1.30 result)))
259 heller 1.1
260 heller 1.30 (defimplementation describe-definition (symbol type)
261     (ecase type
262     (:variable (describe-symbol symbol))
263     (:class (describe (find-class symbol)))
264 heller 1.49 ((:function :generic-function) (describe-function symbol))
265     (:setf (describe-function (sys:underlying-setf-name `(setf ,symbol))))))
266 heller 1.30
267     (defun describe-function (symbol)
268     (cond ((fboundp symbol)
269 heller 1.123 (format t "(~A ~/pprint-fill/)~%~%~:[(not documented)~;~:*~A~]~%"
270     symbol
271     (lispworks:function-lambda-list symbol)
272 heller 1.30 (documentation symbol 'function))
273 heller 1.38 (describe (fdefinition symbol)))
274 heller 1.30 (t (format t "~S is not fbound" symbol))))
275 heller 1.4
276 heller 1.30 (defun describe-symbol (sym)
277 heller 1.1 (format t "~A is a symbol in package ~A." sym (symbol-package sym))
278     (when (boundp sym)
279     (format t "~%~%Value: ~A" (symbol-value sym)))
280     (let ((doc (documentation sym 'variable)))
281     (when doc
282     (format t "~%~%Variable documentation:~%~A" doc)))
283     (when (fboundp sym)
284 heller 1.30 (describe-function sym)))
285 heller 1.1
286     ;;; Debugging
287    
288 heller 1.66 (defclass slime-env (env:environment)
289     ((debugger-hook :initarg :debugger-hoook)))
290    
291     (defun slime-env (hook io-bindings)
292     (make-instance 'slime-env :name "SLIME Environment"
293     :io-bindings io-bindings
294     :debugger-hoook hook))
295    
296 heller 1.111 (defmethod env-internals:environment-display-notifier
297 heller 1.66 ((env slime-env) &key restarts condition)
298 heller 1.111 (declare (ignore restarts condition))
299 heller 1.113 (funcall (swank-sym :swank-debugger-hook) condition *debugger-hook*)
300     ;; nil
301 heller 1.111 )
302 heller 1.66
303     (defmethod env-internals:environment-display-debugger ((env slime-env))
304     *debug-io*)
305    
306 heller 1.111 (defmethod env-internals:confirm-p ((e slime-env) &optional msg &rest args)
307     (apply (swank-sym :y-or-n-p-in-emacs) msg args))
308    
309 heller 1.110 (defimplementation call-with-debugger-hook (hook fun)
310     (let ((*debugger-hook* hook))
311     (env:with-environment ((slime-env hook '()))
312     (funcall fun))))
313 heller 1.66
314 msimmons 1.100 (defimplementation install-debugger-globally (function)
315     (setq *debugger-hook* function)
316     (setf (env:environment) (slime-env function '())))
317    
318 heller 1.26 (defvar *sldb-top-frame*)
319 heller 1.1
320     (defun interesting-frame-p (frame)
321 heller 1.36 (cond ((or (dbg::call-frame-p frame)
322     (dbg::derived-call-frame-p frame)
323     (dbg::foreign-frame-p frame)
324     (dbg::interpreted-call-frame-p frame))
325     t)
326     ((dbg::catch-frame-p frame) dbg:*print-catch-frames*)
327     ((dbg::binding-frame-p frame) dbg:*print-binding-frames*)
328     ((dbg::handler-frame-p frame) dbg:*print-handler-frames*)
329     ((dbg::restart-frame-p frame) dbg:*print-restart-frames*)
330     ((dbg::open-frame-p frame) dbg:*print-open-frames*)
331     (t nil)))
332 heller 1.1
333 heller 1.41 (defun nth-next-frame (frame n)
334     "Unwind FRAME N times."
335     (do ((frame frame (dbg::frame-next frame))
336     (i n (if (interesting-frame-p frame) (1- i) i)))
337 heller 1.48 ((or (not frame)
338     (and (interesting-frame-p frame) (zerop i)))
339     frame)))
340 heller 1.41
341     (defun nth-frame (index)
342     (nth-next-frame *sldb-top-frame* index))
343    
344     (defun find-top-frame ()
345     "Return the most suitable top-frame for the debugger."
346 mbaringer 1.69 (or (do ((frame (dbg::debugger-stack-current-frame dbg::*debugger-stack*)
347     (nth-next-frame frame 1)))
348     ((or (null frame) ; no frame found!
349     (and (dbg::call-frame-p frame)
350     (eq (dbg::call-frame-function-name frame)
351     'invoke-debugger)))
352     (nth-next-frame frame 1)))
353     ;; if we can't find a invoke-debugger frame, take any old frame at the top
354     (dbg::debugger-stack-current-frame dbg::*debugger-stack*)))
355 heller 1.41
356     (defimplementation call-with-debugging-environment (fn)
357     (dbg::with-debugger-stack ()
358     (let ((*sldb-top-frame* (find-top-frame)))
359     (funcall fn))))
360 heller 1.1
361 heller 1.30 (defimplementation compute-backtrace (start end)
362 heller 1.1 (let ((end (or end most-positive-fixnum))
363     (backtrace '()))
364     (do ((frame (nth-frame start) (dbg::frame-next frame))
365     (i start))
366     ((or (not frame) (= i end)) (nreverse backtrace))
367     (when (interesting-frame-p frame)
368     (incf i)
369 heller 1.121 (push frame backtrace)))))
370 heller 1.1
371 heller 1.36 (defun frame-actual-args (frame)
372 heller 1.50 (let ((*break-on-signals* nil))
373     (mapcar (lambda (arg)
374     (case arg
375     ((&rest &optional &key) arg)
376     (t
377     (handler-case (dbg::dbg-eval arg frame)
378 msimmons 1.53 (error (e) (format nil "<~A>" arg))))))
379 heller 1.50 (dbg::call-frame-arglist frame))))
380 heller 1.36
381 heller 1.121 (defimplementation print-frame (frame stream)
382     (cond ((dbg::call-frame-p frame)
383     (format stream "~S ~S"
384     (dbg::call-frame-function-name frame)
385     (frame-actual-args frame)))
386     (t (princ frame stream))))
387 heller 1.1
388 heller 1.47 (defun frame-vars (frame)
389     (first (dbg::frame-locals-format-list frame #'list 75 0)))
390    
391 lgorrie 1.17 (defimplementation frame-locals (n)
392 heller 1.29 (let ((frame (nth-frame n)))
393 heller 1.1 (if (dbg::call-frame-p frame)
394 heller 1.47 (mapcar (lambda (var)
395     (destructuring-bind (name value symbol location) var
396     (declare (ignore name location))
397     (list :name symbol :id 0
398     :value value)))
399     (frame-vars frame)))))
400    
401     (defimplementation frame-var-value (frame var)
402     (let ((frame (nth-frame frame)))
403     (destructuring-bind (_n value _s _l) (nth var (frame-vars frame))
404     (declare (ignore _n _s _l))
405     value)))
406 heller 1.1
407 heller 1.130 (defimplementation frame-source-location (frame)
408 heller 1.60 (let ((frame (nth-frame frame))
409     (callee (if (plusp frame) (nth-frame (1- frame)))))
410 heller 1.1 (if (dbg::call-frame-p frame)
411 heller 1.60 (let ((dspec (dbg::call-frame-function-name frame))
412     (cname (and (dbg::call-frame-p callee)
413     (dbg::call-frame-function-name callee))))
414     (if dspec
415     (frame-location dspec cname))))))
416 heller 1.26
417     (defimplementation eval-in-frame (form frame-number)
418     (let ((frame (nth-frame frame-number)))
419     (dbg::dbg-eval form frame)))
420    
421     (defimplementation return-from-frame (frame-number form)
422     (let* ((frame (nth-frame frame-number))
423 heller 1.30 (return-frame (dbg::find-frame-for-return frame)))
424 heller 1.26 (dbg::dbg-return-from-call-frame frame form return-frame
425     dbg::*debugger-stack*)))
426    
427     (defimplementation restart-frame (frame-number)
428     (let ((frame (nth-frame frame-number)))
429     (dbg::restart-frame frame :same-args t)))
430 heller 1.1
431 heller 1.109 (defimplementation disassemble-frame (frame-number)
432     (let* ((frame (nth-frame frame-number)))
433     (when (dbg::call-frame-p frame)
434     (let ((function (dbg::get-call-frame-function frame)))
435     (disassemble function)))))
436    
437 heller 1.18 ;;; Definition finding
438    
439 heller 1.60 (defun frame-location (dspec callee-name)
440     (let ((infos (dspec:find-dspec-locations dspec)))
441     (cond (infos
442     (destructuring-bind ((rdspec location) &rest _) infos
443     (declare (ignore _))
444     (let ((name (and callee-name (symbolp callee-name)
445     (string callee-name))))
446     (make-dspec-location rdspec location
447     `(:call-site ,name)))))
448     (t
449     (list :error (format nil "Source location not available for: ~S"
450     dspec))))))
451 heller 1.4
452 heller 1.33 (defimplementation find-definitions (name)
453 heller 1.26 (let ((locations (dspec:find-name-locations dspec:*dspec-classes* name)))
454 heller 1.33 (loop for (dspec location) in locations
455     collect (list dspec (make-dspec-location dspec location)))))
456 heller 1.6
457 msimmons 1.56
458 heller 1.18 ;;; Compilation
459    
460 msimmons 1.42 (defmacro with-swank-compilation-unit ((location &rest options) &body body)
461     (lw:rebinding (location)
462     `(let ((compiler::*error-database* '()))
463     (with-compilation-unit ,options
464 heller 1.120 (multiple-value-prog1 (progn ,@body)
465     (signal-error-data-base compiler::*error-database*
466     ,location)
467     (signal-undefined-functions compiler::*unknown-functions*
468     ,location))))))
469 msimmons 1.42
470 heller 1.128 (defimplementation swank-compile-file (input-file output-file
471     load-p external-format)
472     (with-swank-compilation-unit (input-file)
473     (compile-file input-file
474     :output-file output-file
475     :load load-p
476 heller 1.119 :external-format external-format)))
477 msimmons 1.56
478 eweitz 1.70 (defvar *within-call-with-compilation-hooks* nil
479     "Whether COMPILE-FILE was called from within CALL-WITH-COMPILATION-HOOKS.")
480    
481     (defvar *undefined-functions-hash* nil
482     "Hash table to map info about undefined functions to pathnames.")
483    
484     (lw:defadvice (compile-file compile-file-and-collect-notes :around)
485     (pathname &rest rest)
486 msimmons 1.75 (multiple-value-prog1 (apply #'lw:call-next-advice pathname rest)
487 eweitz 1.70 (when *within-call-with-compilation-hooks*
488     (maphash (lambda (unfun dspecs)
489     (dolist (dspec dspecs)
490     (let ((unfun-info (list unfun dspec)))
491     (unless (gethash unfun-info *undefined-functions-hash*)
492     (setf (gethash unfun-info *undefined-functions-hash*)
493     pathname)))))
494     compiler::*unknown-functions*))))
495    
496 msimmons 1.56 (defimplementation call-with-compilation-hooks (function)
497 eweitz 1.70 (let ((compiler::*error-database* '())
498     (*undefined-functions-hash* (make-hash-table :test 'equal))
499     (*within-call-with-compilation-hooks* t))
500     (with-compilation-unit ()
501     (prog1 (funcall function)
502     (signal-error-data-base compiler::*error-database*)
503     (signal-undefined-functions compiler::*unknown-functions*)))))
504 heller 1.1
505     (defun map-error-database (database fn)
506     (loop for (filename . defs) in database do
507     (loop for (dspec . conditions) in defs do
508     (dolist (c conditions)
509 msimmons 1.98 (funcall fn filename dspec (if (consp c) (car c) c))))))
510 heller 1.1
511     (defun lispworks-severity (condition)
512     (cond ((not condition) :warning)
513     (t (etypecase condition
514 heller 1.6 (error :error)
515 heller 1.1 (style-warning :warning)
516     (warning :warning)))))
517    
518     (defun signal-compiler-condition (message location condition)
519     (check-type message string)
520     (signal
521     (make-instance 'compiler-condition :message message
522     :severity (lispworks-severity condition)
523     :location location
524     :original-condition condition)))
525    
526 heller 1.118 (defvar *temp-file-format* '(:utf-8 :eol-style :lf))
527    
528 heller 1.1 (defun compile-from-temp-file (string filename)
529     (unwind-protect
530     (progn
531 heller 1.118 (with-open-file (s filename :direction :output
532     :if-exists :supersede
533     :external-format *temp-file-format*)
534    
535 heller 1.1 (write-string string s)
536     (finish-output s))
537 heller 1.120 (multiple-value-bind (binary-filename warnings? failure?)
538     (compile-file filename :load t
539     :external-format *temp-file-format*)
540     (declare (ignore warnings?))
541 heller 1.6 (when binary-filename
542 heller 1.120 (delete-file binary-filename))
543     (not failure?)))
544 heller 1.1 (delete-file filename)))
545    
546 heller 1.117 (defun dspec-function-name-position (dspec fallback)
547 heller 1.34 (etypecase dspec
548     (cons (let ((name (dspec:dspec-primary-name dspec)))
549 heller 1.37 (typecase name
550 heller 1.34 ((or symbol string)
551     (list :function-name (string name)))
552 heller 1.117 (t fallback))))
553     (null fallback)
554 heller 1.34 (symbol (list :function-name (string dspec)))))
555 heller 1.18
556 lgorrie 1.45 (defmacro with-fairly-standard-io-syntax (&body body)
557     "Like WITH-STANDARD-IO-SYNTAX but preserve *PACKAGE* and *READTABLE*."
558     (let ((package (gensym))
559     (readtable (gensym)))
560     `(let ((,package *package*)
561     (,readtable *readtable*))
562     (with-standard-io-syntax
563     (let ((*package* ,package)
564     (*readtable* ,readtable))
565     ,@body)))))
566    
567 heller 1.117 (defun skip-comments (stream)
568     (let ((pos0 (file-position stream)))
569     (cond ((equal (ignore-errors (list (read-delimited-list #\( stream)))
570     '(()))
571     (file-position stream (1- (file-position stream))))
572     (t (file-position stream pos0)))))
573    
574 heller 1.52 #-(or lispworks4.1 lispworks4.2) ; no dspec:parse-form-dspec prior to 4.3
575 msimmons 1.42 (defun dspec-stream-position (stream dspec)
576 lgorrie 1.45 (with-fairly-standard-io-syntax
577 heller 1.117 (loop (let* ((pos (progn (skip-comments stream) (file-position stream)))
578 lgorrie 1.44 (form (read stream nil '#1=#:eof)))
579     (when (eq form '#1#)
580     (return nil))
581     (labels ((check-dspec (form)
582     (when (consp form)
583     (let ((operator (car form)))
584     (case operator
585     ((progn)
586     (mapcar #'check-dspec
587     (cdr form)))
588     ((eval-when locally macrolet symbol-macrolet)
589     (mapcar #'check-dspec
590     (cddr form)))
591     ((in-package)
592     (let ((package (find-package (second form))))
593     (when package
594     (setq *package* package))))
595     (otherwise
596     (let ((form-dspec (dspec:parse-form-dspec form)))
597     (when (dspec:dspec-equal dspec form-dspec)
598     (return pos)))))))))
599     (check-dspec form))))))
600 msimmons 1.42
601 heller 1.52 (defun dspec-file-position (file dspec)
602 mbaringer 1.90 (let* ((*compile-file-pathname* (pathname file))
603     (*compile-file-truename* (truename *compile-file-pathname*))
604     (*load-pathname* *compile-file-pathname*)
605     (*load-truename* *compile-file-truename*))
606     (with-open-file (stream file)
607     (let ((pos
608     #-(or lispworks4.1 lispworks4.2)
609     (dspec-stream-position stream dspec)))
610     (if pos
611 heller 1.117 (list :position (1+ pos))
612     (dspec-function-name-position dspec `(:position 1)))))))
613 heller 1.52
614 heller 1.25 (defun emacs-buffer-location-p (location)
615     (and (consp location)
616     (eq (car location) :emacs-buffer)))
617    
618 heller 1.60 (defun make-dspec-location (dspec location &optional hints)
619 heller 1.52 (etypecase location
620     ((or pathname string)
621     (multiple-value-bind (file err)
622     (ignore-errors (namestring (truename location)))
623     (if err
624     (list :error (princ-to-string err))
625     (make-location `(:file ,file)
626 heller 1.60 (dspec-file-position file dspec)
627     hints))))
628 heller 1.52 (symbol
629     `(:error ,(format nil "Cannot resolve location: ~S" location)))
630     ((satisfies emacs-buffer-location-p)
631     (destructuring-bind (_ buffer offset string) location
632     (declare (ignore _ string))
633     (make-location `(:buffer ,buffer)
634 heller 1.117 (dspec-function-name-position dspec `(:offset ,offset 0))
635 heller 1.60 hints)))))
636 heller 1.1
637 msimmons 1.42 (defun make-dspec-progenitor-location (dspec location)
638     (let ((canon-dspec (dspec:canonicalize-dspec dspec)))
639     (make-dspec-location
640     (if canon-dspec
641     (if (dspec:local-dspec-p canon-dspec)
642     (dspec:dspec-progenitor canon-dspec)
643     canon-dspec)
644     nil)
645     location)))
646    
647 eweitz 1.70 (defun signal-error-data-base (database &optional location)
648 heller 1.1 (map-error-database
649     database
650     (lambda (filename dspec condition)
651     (signal-compiler-condition
652     (format nil "~A" condition)
653 eweitz 1.70 (make-dspec-progenitor-location dspec (or location filename))
654 heller 1.1 condition))))
655    
656 eweitz 1.71 (defun unmangle-unfun (symbol)
657     "Converts symbols like 'SETF::|\"CL-USER\" \"GET\"| to
658     function names like \(SETF GET)."
659 heller 1.93 (cond ((sys::setf-symbol-p symbol)
660     (sys::setf-pair-from-underlying-name symbol))
661     (t symbol)))
662    
663 eweitz 1.70 (defun signal-undefined-functions (htab &optional filename)
664 heller 1.1 (maphash (lambda (unfun dspecs)
665     (dolist (dspec dspecs)
666     (signal-compiler-condition
667 eweitz 1.71 (format nil "Undefined function ~A" (unmangle-unfun unfun))
668 eweitz 1.70 (make-dspec-progenitor-location dspec
669     (or filename
670     (gethash (list unfun dspec)
671     *undefined-functions-hash*)))
672 heller 1.1 nil)))
673     htab))
674 heller 1.2
675 heller 1.126 (defimplementation swank-compile-string (string &key buffer position filename
676     policy)
677     (declare (ignore filename policy))
678 heller 1.1 (assert buffer)
679     (assert position)
680 heller 1.30 (let* ((location (list :emacs-buffer buffer position string))
681 heller 1.26 (tmpname (hcl:make-temp-file nil "lisp")))
682 msimmons 1.42 (with-swank-compilation-unit (location)
683 heller 1.26 (compile-from-temp-file
684 heller 1.68 (with-output-to-string (s)
685     (let ((*print-radix* t))
686     (print `(eval-when (:compile-toplevel)
687     (setq dspec::*location* (list ,@location)))
688     s))
689     (write-string string s))
690 msimmons 1.42 tmpname))))
691 heller 1.1
692 heller 1.3 ;;; xref
693    
694 heller 1.31 (defmacro defxref (name function)
695     `(defimplementation ,name (name)
696     (xref-results (,function name))))
697    
698     (defxref who-calls hcl:who-calls)
699 msimmons 1.42 (defxref who-macroexpands hcl:who-calls) ; macros are in the calls table too
700 heller 1.67 (defxref calls-who hcl:calls-who)
701 msimmons 1.42 (defxref list-callers list-callers-internal)
702 heller 1.68 ;; (defxref list-callees list-callees-internal)
703 msimmons 1.42
704     (defun list-callers-internal (name)
705     (let ((callers (make-array 100
706     :fill-pointer 0
707     :adjustable t)))
708     (hcl:sweep-all-objects
709     #'(lambda (object)
710     (when (and #+Harlequin-PC-Lisp (low:compiled-code-p object)
711     #-Harlequin-PC-Lisp (sys::callablep object)
712     (system::find-constant$funcallable name object))
713     (vector-push-extend object callers))))
714     ;; Delay dspec:object-dspec until after sweep-all-objects
715     ;; to reduce allocation problems.
716     (loop for object across callers
717     collect (if (symbolp object)
718     (list 'function object)
719 heller 1.63 (or (dspec:object-dspec object) object)))))
720 heller 1.36
721 heller 1.37 ;; only for lispworks 4.2 and above
722     #-lispworks4.1
723     (progn
724     (defxref who-references hcl:who-references)
725     (defxref who-binds hcl:who-binds)
726     (defxref who-sets hcl:who-sets))
727    
728 heller 1.36 (defimplementation who-specializes (classname)
729     (let ((methods (clos:class-direct-methods (find-class classname))))
730     (xref-results (mapcar #'dspec:object-dspec methods))))
731 heller 1.31
732     (defun xref-results (dspecs)
733 heller 1.63 (flet ((frob-locs (dspec locs)
734     (cond (locs
735     (loop for (name loc) in locs
736     collect (list name (make-dspec-location name loc))))
737     (t `((,dspec (:error "Source location not available")))))))
738     (loop for dspec in dspecs
739     append (frob-locs dspec (dspec:dspec-definition-locations dspec)))))
740 heller 1.66
741 heller 1.25 ;;; Inspector
742 mbaringer 1.58
743 heller 1.95 (defmethod emacs-inspect ((o t))
744 heller 1.60 (lispworks-inspect o))
745    
746 heller 1.95 (defmethod emacs-inspect ((o function))
747 heller 1.60 (lispworks-inspect o))
748    
749 heller 1.82 ;; FIXME: slot-boundp-using-class in LW works with names so we can't
750     ;; use our method in swank.lisp.
751 heller 1.95 (defmethod emacs-inspect ((o standard-object))
752 heller 1.82 (lispworks-inspect o))
753    
754 heller 1.60 (defun lispworks-inspect (o)
755 heller 1.25 (multiple-value-bind (names values _getter _setter type)
756     (lw:get-inspector-values o nil)
757     (declare (ignore _getter _setter))
758 heller 1.60 (append
759     (label-value-line "Type" type)
760 msimmons 1.91 (loop for name in names
761     for value in values
762 heller 1.96 append (label-value-line name value)))))
763 heller 1.25
764 lgorrie 1.46 ;;; Miscellaneous
765    
766     (defimplementation quit-lisp ()
767     (lispworks:quit))
768    
769 heller 1.66 ;;; Tracing
770    
771     (defun parse-fspec (fspec)
772     "Return a dspec for FSPEC."
773     (ecase (car fspec)
774 heller 1.67 ((:defmethod) `(method ,(cdr fspec)))))
775 heller 1.66
776     (defun tracedp (dspec)
777     (member dspec (eval '(trace)) :test #'equal))
778    
779 heller 1.67 (defun toggle-trace-aux (dspec)
780 heller 1.66 (cond ((tracedp dspec)
781     (eval `(untrace ,dspec))
782     (format nil "~S is now untraced." dspec))
783     (t
784     (eval `(trace (,dspec)))
785     (format nil "~S is now traced." dspec))))
786    
787 heller 1.67 (defimplementation toggle-trace (fspec)
788     (toggle-trace-aux (parse-fspec fspec)))
789 heller 1.66
790 heller 1.16 ;;; Multithreading
791    
792 mbaringer 1.86 (defimplementation initialize-multiprocessing (continuation)
793 heller 1.87 (cond ((not mp::*multiprocessing*)
794     (push (list "Initialize SLIME" '() continuation)
795     mp:*initial-processes*)
796     (mp:initialize-multiprocessing))
797     (t (funcall continuation))))
798 heller 1.16
799 heller 1.18 (defimplementation spawn (fn &key name)
800 heller 1.127 (mp:process-run-function name () fn))
801 heller 1.48
802     (defvar *id-lock* (mp:make-lock))
803     (defvar *thread-id-counter* 0)
804    
805     (defimplementation thread-id (thread)
806     (mp:with-lock (*id-lock*)
807     (or (getf (mp:process-plist thread) 'id)
808     (setf (getf (mp:process-plist thread) 'id)
809     (incf *thread-id-counter*)))))
810    
811     (defimplementation find-thread (id)
812     (find id (mp:list-all-processes)
813     :key (lambda (p) (getf (mp:process-plist p) 'id))))
814 heller 1.16
815 heller 1.21 (defimplementation thread-name (thread)
816     (mp:process-name thread))
817 heller 1.16
818 heller 1.21 (defimplementation thread-status (thread)
819     (format nil "~A ~D"
820     (mp:process-whostate thread)
821     (mp:process-priority thread)))
822 heller 1.16
823 heller 1.18 (defimplementation make-lock (&key name)
824 heller 1.16 (mp:make-lock :name name))
825    
826 heller 1.18 (defimplementation call-with-lock-held (lock function)
827 heller 1.16 (mp:with-lock (lock) (funcall function)))
828 heller 1.20
829     (defimplementation current-thread ()
830     mp:*current-process*)
831 heller 1.21
832     (defimplementation all-threads ()
833     (mp:list-all-processes))
834 heller 1.20
835     (defimplementation interrupt-thread (thread fn)
836     (mp:process-interrupt thread fn))
837 heller 1.25
838     (defimplementation kill-thread (thread)
839     (mp:process-kill thread))
840 heller 1.27
841     (defimplementation thread-alive-p (thread)
842     (mp:process-alive-p thread))
843 heller 1.20
844 heller 1.102 (defstruct (mailbox (:conc-name mailbox.))
845     (mutex (mp:make-lock :name "thread mailbox"))
846     (queue '() :type list))
847    
848 heller 1.20 (defvar *mailbox-lock* (mp:make-lock))
849    
850     (defun mailbox (thread)
851     (mp:with-lock (*mailbox-lock*)
852     (or (getf (mp:process-plist thread) 'mailbox)
853     (setf (getf (mp:process-plist thread) 'mailbox)
854 heller 1.102 (make-mailbox)))))
855 heller 1.20
856 heller 1.112 (defimplementation receive-if (test &optional timeout)
857 heller 1.102 (let* ((mbox (mailbox mp:*current-process*))
858     (lock (mailbox.mutex mbox)))
859 heller 1.112 (assert (or (not timeout) (eq timeout t)))
860 heller 1.102 (loop
861 heller 1.106 (check-slime-interrupts)
862     (mp:with-lock (lock "receive-if/try")
863     (let* ((q (mailbox.queue mbox))
864     (tail (member-if test q)))
865     (when tail
866     (setf (mailbox.queue mbox) (nconc (ldiff q tail) (cdr tail)))
867     (return (car tail)))))
868 heller 1.112 (when (eq timeout t) (return (values nil t)))
869 heller 1.106 (mp:process-wait-with-timeout
870 heller 1.125 "receive-if" 0.3 (lambda () (some test (mailbox.queue mbox)))))))
871 heller 1.102
872     (defimplementation send (thread message)
873     (let ((mbox (mailbox thread)))
874 heller 1.106 (mp:with-lock ((mailbox.mutex mbox))
875     (setf (mailbox.queue mbox)
876     (nconc (mailbox.queue mbox) (list message))))))
877 heller 1.3
878 heller 1.127 (defimplementation set-default-initial-binding (var form)
879     (setq mp:*process-initial-bindings*
880     (acons var `(eval (quote ,form))
881     mp:*process-initial-bindings* )))
882    
883 heller 1.131 (defimplementation thread-attributes (thread)
884     (list :priority (mp:process-priority thread)
885     :idle (mp:process-idle-time thread)))
886    
887 heller 1.66 ;;; Some intergration with the lispworks environment
888    
889 heller 1.74 (defun swank-sym (name) (find-symbol (string name) :swank))
890 mkoeppe 1.77
891 eweitz 1.89
892     ;;;; Weak hashtables
893    
894     (defimplementation make-weak-key-hash-table (&rest args)
895     (apply #'make-hash-table :weak-kind :key args))
896    
897     (defimplementation make-weak-value-hash-table (&rest args)
898     (apply #'make-hash-table :weak-kind :value args))

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