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995 lignes
30 KiB
995 lignes
30 KiB
;;;; swank-goo.goo --- Swank server for GOO
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;;;
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;;; Copyright (C) 2005 Helmut Eller
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;;;
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;;; This file is licensed under the terms of the GNU General Public
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;;; License as distributed with Emacs (press C-h C-c to view it).
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;;;; Installation
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;;
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;; 1. Add something like this to your .emacs:
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;;
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;; (setq slime-lisp-implementations
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;; '((goo ("g2c") :init goo-slime-init)))
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;;
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;; (defun goo-slime-init (file _)
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;; (format "%S\n%S\n"
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;; `(set goo/system:*module-search-path*
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;; (cat '(".../slime/contrib/")
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;; goo/system:*module-search-path*))
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;; `(swank-goo:start-swank ,file)))
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;;
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;; 2. Start everything with M-- M-x slime goo
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;;
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;;;; Code
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(use goo)
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(use goo/boot)
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(use goo/x)
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(use goo/io/port)
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(use goo/io/write)
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(use goo/eval)
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(use goo/system)
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(use goo/conditions)
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(use goo/fun)
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(use goo/loc)
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(use goo/chr)
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(use eval/module)
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(use eval/ast)
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(use eval/g2c)
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;;;; server setup
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(df create-server (port-number) (setup-server port-number announce-port))
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(df start-swank (port-file)
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(setup-server 0 (fun (s) (write-port-file (%local-port s) port-file))))
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(df setup-server (port-number announce)
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(let ((s (create-socket port-number)))
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(fin (seq
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(announce s)
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(let ((c (accept s)))
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;;(post "connection: %s" c)
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(fin (serve-requests c)
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(%close (@fd c)))))
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(post "closing socket: %s" s)
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(%close s))))
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(df announce-port (socket)
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(post "Listening on port: %d\n" (%local-port socket)))
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(df write-port-file (port-number filename)
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(with-port (file (open <file-out-port> filename))
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(msg file "%d\n" port-number)))
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(dc <slime-toplevel> (<restart>))
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(dc <connection> (<any>))
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(dp @socket (<connection> => <port>))
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(dp @in (<connection> => <in-port>))
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(dp @out (<connection> => <out-port>))
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(dv emacs-connection|(t? <connection>) #f)
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(df serve-requests (socket)
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(dlet ((emacs-connection (new <connection>
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@socket socket
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@out (new <slime-out-port> @socket socket)
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@in (new <slime-in-port> @socket socket))))
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(dlet ((out (@out emacs-connection))
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(in (@in emacs-connection)))
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(while #t
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(simple-restart
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<slime-toplevel> "SLIME top-level"
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(fun () (process-next-event socket)))))))
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(d. <nil> (t= 'nil))
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(d. t #t)
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(d. cons pair)
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(dv tag-counter|<int> 0)
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(df process-next-event (port) (dispatch-event (decode-message port) port))
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(df dispatch-event (event port)
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;; (post "%=\n" event)
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(match event
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((:emacs-rex ,form ,package ,_thread-id ,id)
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(eval-for-emacs form package port id))
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((:read-string ,_)
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(def tag (incf tag-counter))
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(encode-message `(:read-string ,_ ,tag) port)
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(rep loop ()
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(match (decode-message port)
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((:emacs-return-string ,_ ,rtag ,str)
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(assert (= tag rtag) "Unexpected reply tag: %d" rtag)
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str)
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((,@evt)
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(try-recover
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(fun () (dispatch-event evt port))
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(fun () (encode-message `(:read-aborted ,_ ,tag) port)))
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(loop)))))
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((:emacs-return-string ,_ ,rtag ,str)
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(error "Unexpected event: %=" event))
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((,@_) (encode-message event port))))
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(dc <eval-context> (<any>))
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(dp @module (<eval-context> => <module>))
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(dp @id (<eval-context> => <int>))
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(dp @port (<eval-context> => <port>))
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(dp @prev (<eval-context> => (t? <eval-context>)))
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;; should be ddv
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(dv eval-context|(t? <eval-context>) #f)
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(df buffer-module () (@module eval-context))
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(df eval-for-emacs (form|<lst> package|(t+ <str> <nil>) port id|<int>)
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(try-recover
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(fun ()
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(try <condition> debugger-hook
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(dlet ((eval-context (new <eval-context>
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@module (find-buffer-module package) @id id
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@port port @prev eval-context)))
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(def result (eval (frob-form-for-eval form) 'swank-goo))
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(force-out out)
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(dispatch-event `(:return (:ok ,result) ,id) port))))
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(fun () (dispatch-event `(:return (:abort) ,id) port))))
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(dm find-buffer-module (name|<str> => <module>)
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(or (elt-or (all-modules) (as-sym name) #f)
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(find-buffer-module 'nil)))
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(dm find-buffer-module (name|<nil> => <module>) default-module)
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(dv default-module|<module> (runtime-module 'goo/user))
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(d. slimefuns (fab <tab> 100))
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(ds defslimefun (,name ,args ,@body)
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`(set (elt slimefuns ',name)
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(df ,(cat-sym 'swank@ name) ,args ,@body)))
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(df slimefun (name)
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(or (elt-or slimefuns name #f)
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(error "Undefined slimefun: %=" name)))
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;; rewrite (swank:foo ...) to ((slimefun 'foo) ...)
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(df frob-form-for-eval (form)
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(match form
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((,op ,@args)
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(match (map as-sym (split (sym-name op) #\:))
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((swank ,name)
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`((slimefun ',name) ,@args))))))
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;;;; debugger
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(dc <sldb-context> (<any>))
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(dp @level (<sldb-context> => <int>))
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(dp @top-frame (<sldb-context> => <lst>))
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(dp @restarts (<sldb-context> => <lst>))
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(dp @condition (<sldb-context> => <condition>))
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(dp @eval-context (<sldb-context> => (t? <eval-context>)))
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(dv sldb-context|(t? <sldb-context>) #f)
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(df debugger-hook (c|<condition> resume)
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(let ((tf (find-top-frame 'debugger-hook 2))
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(rs (compute-restarts c))
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(l (if sldb-context (1+ (@level sldb-context)) 1)))
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(cond ((> l 10) (emergency-abort c))
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(#t
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(dlet ((sldb-context (new <sldb-context>
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@level l @top-frame tf
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@restarts rs @condition c
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@eval-context eval-context)))
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(let ((bt (compute-backtrace tf 0 10)))
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(force-out out)
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(dispatch-event `(:debug 0 ,l
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,@(debugger-info c rs bt eval-context))
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(@port eval-context))
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(sldb-loop l (@port eval-context))))))))
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(df emergency-abort (c)
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(post "Maximum debug level reached aborting...\n")
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(post "%s\n" (describe-condition c))
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(do-stack-frames (fun (f args) (msg out " %= %=\n" f args)))
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(invoke-handler-interactively (find-restart <slime-toplevel>) in out))
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(df sldb-loop (level port)
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(fin (while #t
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(dispatch-event `(:debug-activate 0 ,level) port)
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(simple-restart
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<restart> (msg-to-str "Return to SLDB level %s" level)
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(fun () (process-next-event port))))
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(dispatch-event `(:debug-return 0 ,level nil) port)))
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(defslimefun backtrace (start|<int> end|(t+ <int> <nil>))
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(backtrace-for-emacs
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(compute-backtrace (@top-frame sldb-context)
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start
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(if (isa? end <int>) end #f))))
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(defslimefun throw-to-toplevel ()
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(invoke-handler-interactively (find-restart <slime-toplevel>) in out))
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(defslimefun invoke-nth-restart-for-emacs (sldb-level|<int> n|<int>)
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(when (= (@level sldb-context) sldb-level)
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(invoke-handler-interactively (elt (@restarts sldb-context) n) in out)))
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(defslimefun debugger-info-for-emacs (start end)
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(debugger-info (@condition sldb-context)
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(@restarts sldb-context)
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(compute-backtrace (@top-frame sldb-context)
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start
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(if (isa? end <int>) end #f))))
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(defslimefun frame-locals-and-catch-tags (frame-idx)
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(def frame (nth-frame frame-idx))
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(list
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(map-keyed (fun (i name)
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(lst ':name (sym-name name) ':id 0
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':value (safe-write-to-string (frame-var-value frame i))))
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(frame-var-names frame))
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'()))
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(defslimefun inspect-frame-var (frame-idx var-idx)
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(reset-inspector)
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(inspect-object (frame-var-value (nth-frame frame-idx) var-idx)))
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(defslimefun inspect-current-condition ()
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(reset-inspector)
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(inspect-object (@condition sldb-context)))
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(defslimefun frame-source-location (frame-idx)
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(match (nth-frame frame-idx)
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((,f ,@_)
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(or (emacs-src-loc f)
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`(:error ,(msg-to-str "No src-loc available for: %s" f))))))
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(defslimefun eval-string-in-frame (string frame-idx)
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(def frame (nth-frame frame-idx))
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(let ((names (frame-var-names frame))
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(values (frame-var-values frame)))
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(write-to-string
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(app (eval `(fun ,names ,(read-from-string string))
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(module-name (buffer-module)))
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values))))
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(df debugger-info (condition restarts backtrace eval-context)
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(lst `(,(try-or (fun () (describe-condition condition)) "<...>")
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,(cat " [class: " (class-name-str condition) "]")
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())
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(restarts-for-emacs restarts)
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(backtrace-for-emacs backtrace)
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(pending-continuations eval-context)))
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(df backtrace-for-emacs (backtrace)
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(map (fun (f)
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(match f
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((,idx (,f ,@args))
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(lst idx (cat (if (fun-name f)
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(sym-name (fun-name f))
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(safe-write-to-string f))
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(safe-write-to-string args))))))
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backtrace))
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(df restarts-for-emacs (restarts)
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(map (fun (x) `(,(sym-name (class-name (%handler-condition-type x)))
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,(describe-restart x)))
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restarts))
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(df describe-restart (restart)
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(describe-handler (%handler-info restart) (%handler-condition-type restart)))
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(df compute-restarts (condition)
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(packing (%do-handlers-of-type <restart> (fun (c) (pack c)))))
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(df find-restart (type)
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(esc ret
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(%do-handlers-of-type type ret)
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#f))
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(df pending-continuations (context|(t? <eval-context>))
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(if context
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(pair (@id context) (pending-continuations (@prev context)))
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'()))
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(df find-top-frame (fname|<sym> offset|<int>)
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(esc ret
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(let ((top-seen? #f))
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(do-stack-frames (fun (f args)
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(cond (top-seen?
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(cond ((== offset 0)
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(ret (pair f args)))
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(#t (decf offset))))
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((== (fun-name f) fname)
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(set top-seen? #t))))))))
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(df compute-backtrace (top-frame start|<int> end)
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(packing
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(esc break
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(do-user-frames (fun (idx f args)
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(when (and end (<= end idx))
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(break #f))
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(when (<= start idx)
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(pack (lst idx (pair f args)))))
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top-frame))))
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(df nth-frame (n|<int>)
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(esc ret
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(do-user-frames
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(fun (idx f args)
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(when (= idx n)
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(ret (pair f args))))
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(@top-frame sldb-context))))
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(df frame-var-value (frame var-idx)
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(match frame
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((,f ,@args)
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(def sig (fun-sig f))
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(def arity (sig-arity sig))
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(def nary? (sig-nary? sig))
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(cond ((< var-idx arity) (elt args var-idx))
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(nary? (sub* args arity))))))
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(df frame-var-names (frame)
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(match frame
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((,f ,@_) (fun-info-names (fun-info f)))))
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(df frame-var-values (frame)
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(map (curry frame-var-value frame) (keys (frame-var-names frame))))
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(df do-user-frames (f|<fun> top-frame)
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(let ((idx -1)
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(top-seen? #f))
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(do-stack-frames
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(fun (ffun args)
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(cond (top-seen?
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(incf idx)
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(f idx ffun (rev args)))
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((= (pair ffun args) top-frame)
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(set top-seen? #t)))))))
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;;;; Write some classes a little less verbose
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;; (dm recurring-write (port|<out-port> x d|<int> recur|<fun>)
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;; (msg port "#{%s &%s}" (class-name-str x)
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;; (num-to-str-base (address-of x) 16)))
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(dm recurring-write (port|<out-port> x|<module> d|<int> recur|<fun>)
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(msg port "#{%s %s}" (class-name-str x) (module-name x)))
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(dm recurring-write (port|<out-port> x|<module-binding> d|<int> recur|<fun>)
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(msg port "#{%s %s}" (class-name-str x) (binding-name x)))
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(dm recurring-write (port|<out-port> x|<tab> d|<int> recur|<fun>)
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(msg port "#{%s %s}" (class-name-str x) (len x)))
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(dm recurring-write (port|<out-port> x|<static-global-environment>
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d|<int> recur|<fun>)
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(msg port "#{%s}" (class-name-str x)))
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(dm recurring-write (port|<out-port> x|<regular-application>
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d|<int> recur|<fun>)
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(msg port "#{%s}" (class-name-str x)))
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(dm recurring-write (port|<out-port> x|<src-loc> d|<int> recur|<fun>)
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(msg port "#{%s %s:%=}" (class-name-str x)
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(src-loc-file x) (src-loc-line x)))
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;;;; Inspector
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(dc <inspector> (<any>))
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(dp! @object (<inspector> => <any>))
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(dp! @parts (<inspector> => <vec>) (new <vec>))
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(dp! @stack (<inspector> => <lst>) '())
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(dv inspector #f)
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(defslimefun init-inspector (form|<str>)
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(reset-inspector)
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(inspect-object (str-eval form (buffer-module))))
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(defslimefun quit-inspector () (reset-inspector) 'nil)
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(defslimefun inspect-nth-part (n|<int>)
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(inspect-object (elt (@parts inspector) n)))
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(defslimefun inspector-pop ()
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(cond ((<= 2 (len (@stack inspector)))
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(popf (@stack inspector))
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(inspect-object (popf (@stack inspector))))
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(#t 'nil)))
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(df reset-inspector () (set inspector (new <inspector>)))
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(df inspect-object (o)
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(set (@object inspector) o)
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(set (@parts inspector) (new <vec>))
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(pushf (@stack inspector) o)
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(lst ':title (safe-write-to-string o) ; ':type (class-name-str o)
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':content (inspector-content
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`("class: " (:value ,(class-of o)) "\n"
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,@(inspect o)))))
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(df inspector-content (content)
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(map (fun (part)
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(case-by part isa?
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((<str>) part)
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((<lst>)
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(match part
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((:value ,o ,@str)
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`(:value ,@(if (nul? str)
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(lst (safe-write-to-string o))
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str)
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,(assign-index o)))))
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(#t (error "Bad inspector content: %=" part))))
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content))
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(df assign-index (o)
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(pushf (@parts inspector) o)
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(1- (len (@parts inspector))))
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(dg inspect (o))
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;; a list of dangerous functions
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(d. getter-blacklist (lst fun-code fun-env class-row))
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(dm inspect (o)
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(join (map (fun (p)
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(let ((getter (prop-getter p)))
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`(,(sym-name (fun-name getter)) ": "
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,(cond ((mem? getter-blacklist getter) "<...>")
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((not (prop-bound? o getter)) "<unbound>")
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(#t (try-or (fun () `(:value ,(getter o)))
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"<...>"))))))
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(class-props (class-of o)))
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'("\n")))
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(dm inspect (o|<seq>)
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(join (packing (do-keyed (fun (pos val)
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(pack `(,(num-to-str pos) ": " (:value ,val))))
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o))
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'("\n")))
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(dm inspect (o|<tab>)
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(join (packing (do-keyed (fun (key val)
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(pack `((:value ,key) "\t: " (:value ,val))))
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o))
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'("\n")))
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;; inspecting the env of closures is broken
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;; (dm inspect (o|<met>)
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;; (cat (sup o)
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;; '("\n")
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;; (if (%fun-env? o)
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;; (inspect (packing (for ((i (below (%fun-env-len o))))
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;; (pack (%fun-env-elt o i)))))
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;; '())))
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;;
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;; (df %fun-env? (f|<met> => <log>) #eb{ FUNENV($f) != $#f })
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;; (df %fun-env-len (f|<met> => <int>) #ei{ ((ENV)FUNENV ($f))->size })
|
|
;; (df %fun-env-elt (f|<met> i|<int> => <any>) #eg{ FUNENVGET($f, @i) })
|
|
|
|
|
|
;;;; init
|
|
|
|
(defslimefun connection-info ()
|
|
`(:pid
|
|
,(process-id) :style nil
|
|
:lisp-implementation (:type "GOO" :name "goo"
|
|
:version ,(%lookup '*goo-version* 'eval/main))
|
|
:machine (:instance "" :type "" :version "")
|
|
:features ()
|
|
:package (:name "goo/user" :prompt "goo/user")))
|
|
|
|
(defslimefun quit-lisp () #ei{ exit (0),0 })
|
|
|
|
(defslimefun set-default-directory (dir|<str>) #ei{ chdir(@dir) } dir)
|
|
|
|
|
|
;;;; eval
|
|
|
|
(defslimefun ping () "PONG")
|
|
|
|
(defslimefun create-repl (_)
|
|
(let ((name (sym-name (module-name (buffer-module)))))
|
|
`(,name ,name)))
|
|
|
|
(defslimefun listener-eval (string)
|
|
(clear-input in)
|
|
`(:values ,(write-to-string (str-eval string (buffer-module)))))
|
|
|
|
(defslimefun interactive-eval (string)
|
|
(cat "=> " (write-to-string (str-eval string (buffer-module)))))
|
|
|
|
(df str-eval (s|<str> m|<module>)
|
|
(eval (read-from-string s) (module-name m)))
|
|
|
|
(df clear-input (in|<in-port>) (while (ready? in) (get in)))
|
|
|
|
(dc <break> (<restart>))
|
|
|
|
(defslimefun simple-break ()
|
|
(simple-restart
|
|
<break> "Continue from break"
|
|
(fun () (sig (new <simple-condition>
|
|
condition-message "Interrupt from Emacs"))))
|
|
'nil)
|
|
|
|
(defslimefun clear-repl-results () 'nil)
|
|
|
|
|
|
;;;; compile
|
|
|
|
(defslimefun compile-string-for-emacs (string buffer position directory)
|
|
(def start (current-time))
|
|
(def r (g2c-eval (read-from-string string)
|
|
(module-target-environment (buffer-module))))
|
|
(lst (write-to-string r)
|
|
(/ (as <flo> (- (current-time) start)) 1000000.0)))
|
|
|
|
(defslimefun compiler-notes-for-emacs () 'nil)
|
|
|
|
(defslimefun filename-to-modulename (filename|<str> => (t+ <str> <nil>))
|
|
(try-or (fun () (sym-name (filename-to-modulename filename))) 'nil))
|
|
|
|
(df filename-to-modulename (filename|<str> => <sym>)
|
|
(def paths (map pathname-to-components
|
|
(map simplify-filename
|
|
(pick file-exists? *module-search-path*))))
|
|
(def filename (pathname-to-components filename))
|
|
(def moddir (rep parent ((modpath filename))
|
|
(cond ((any? (curry = modpath) paths)
|
|
modpath)
|
|
(#t
|
|
(parent (components-parent-directory modpath))))))
|
|
(def modfile (components-to-pathname (sub* filename (len moddir))))
|
|
(as-sym (sub modfile 0 (- (len modfile) (len *goo-extension*)))))
|
|
|
|
|
|
|
|
;;;; Load
|
|
|
|
(defslimefun load-file (filename)
|
|
(let ((file (cond ((= (sub (rev filename) 0 4) "oog.") filename)
|
|
(#t (cat filename ".goo")))))
|
|
(safe-write-to-string (load-file file (filename-to-modulename file)))))
|
|
|
|
|
|
;;;; background activities
|
|
|
|
(defslimefun operator-arglist (op _)
|
|
(try-or (fun ()
|
|
(let ((value (str-eval op (buffer-module))))
|
|
(if (isa? value <fun>)
|
|
(write-to-string value)
|
|
'nil)))
|
|
'nil))
|
|
|
|
|
|
;;;; M-.
|
|
|
|
(defslimefun find-definitions-for-emacs (name|<str>)
|
|
(match (parse-symbol name)
|
|
((,sym ,modname)
|
|
(def env (module-target-environment (runtime-module modname)))
|
|
(def b (find-binding sym env))
|
|
(cond (b (find-binding-definitions b))
|
|
(#t 'nil)))))
|
|
|
|
(df parse-symbol (name|<str> => <lst>)
|
|
(if (mem? name #\:)
|
|
(match (split name #\:)
|
|
((,module ,name) (lst (as-sym name) (as-sym module))))
|
|
(lst (as-sym name) (module-name (buffer-module)))))
|
|
|
|
(df find-binding-definitions (b|<binding>)
|
|
(def value (case (binding-kind b)
|
|
(('runtime) (loc-val (binding-locative b)))
|
|
(('global) (let ((box (binding-global-box b)))
|
|
(and box (global-box-value box))))
|
|
(('macro) (binding-info b))
|
|
(#t (error "unknown binding kind %=" (binding-kind b)))))
|
|
(map (fun (o)
|
|
(def loc (emacs-src-loc o))
|
|
`(,(write-to-string (dspec o))
|
|
,(or loc `(:error "no src-loc available"))))
|
|
(defining-objects value)))
|
|
|
|
(dm defining-objects (o => <lst>) '())
|
|
(dm defining-objects (o|<fun> => <lst>) (lst o))
|
|
(dm defining-objects (o|<gen> => <lst>) (pair o (fun-mets o)))
|
|
|
|
(dm emacs-src-loc (o|<fun>)
|
|
(def loc (fun-src-loc o))
|
|
(and loc `(:location (:file ,(simplify-filename
|
|
(find-goo-file-in-path
|
|
(module-name-to-relpath (src-loc-file loc))
|
|
*module-search-path*)))
|
|
(:line ,(src-loc-line loc))
|
|
())))
|
|
|
|
(dm dspec (f|<fun>)
|
|
(cond ((fun-name f)
|
|
`(,(if (isa? f <gen>) 'dg 'dm) ,(fun-name f) ,@(dspec-arglist f)))
|
|
(#t f)))
|
|
|
|
(df dspec-arglist (f|<fun>)
|
|
(map2 (fun (name class)
|
|
(cond ((= class <any>) name)
|
|
((isa? class <class>)
|
|
`(,name ,(class-name class)))
|
|
(#t `(,name ,class))))
|
|
(fun-info-names (fun-info f))
|
|
(sig-specs (fun-sig f))))
|
|
|
|
(defslimefun buffer-first-change (filename) 'nil)
|
|
|
|
|
|
;;;; apropos
|
|
|
|
(defslimefun apropos-list-for-emacs
|
|
(pattern only-external? case-sensitive? package)
|
|
(def matches (fab <tab> 100))
|
|
(do-all-bindings
|
|
(fun (b)
|
|
(when (finds (binding-name-str b) pattern)
|
|
(set (elt matches
|
|
(cat-sym (binding-name b)
|
|
(module-name (binding-module b))))
|
|
b))))
|
|
(set matches (sort-by (packing-as <vec> (for ((b matches)) (pack b)))
|
|
(fun (x y)
|
|
(< (binding-name x)
|
|
(binding-name y)))))
|
|
(map (fun (b)
|
|
`(:designator
|
|
,(cat (sym-name (module-name (binding-module b))) ":"
|
|
(binding-name-str b)
|
|
"\tkind: " (sym-name (binding-kind b)))))
|
|
(as <lst> matches)))
|
|
|
|
(df do-all-bindings (f|<fun>)
|
|
(for ((module (%module-loader-modules (runtime-module-loader))))
|
|
(do f (environment-bindings (module-target-environment module)))))
|
|
|
|
(dm < (s1|<str> s2|<str> => <log>)
|
|
(let ((l1 (len s1)) (l2 (len s2)))
|
|
(rep loop ((i 0))
|
|
(cond ((= i l1) (~= l1 l2))
|
|
((= i l2) #f)
|
|
((< (elt s1 i) (elt s2 i)) #t)
|
|
((= (elt s1 i) (elt s2 i)) (loop (1+ i)))
|
|
(#t #f)))))
|
|
|
|
(df %binding-info (name|<sym> module|<sym>)
|
|
(binding-info
|
|
(find-binding
|
|
name (module-target-environment (runtime-module module)))))
|
|
|
|
|
|
;;;; completion
|
|
|
|
(defslimefun simple-completions (pattern|<str> package)
|
|
(def matches (lst))
|
|
(for ((b (environment-bindings (module-target-environment (buffer-module)))))
|
|
(when (prefix? (binding-name-str b) pattern)
|
|
(pushf matches b)))
|
|
(def strings (map binding-name-str matches))
|
|
`(,strings ,(cond ((nul? strings) pattern)
|
|
(#t (fold+ common-prefix strings)))))
|
|
|
|
(df common-prefix (s1|<seq> s2|<seq>)
|
|
(let ((limit (min (len s1) (len s2))))
|
|
(rep loop ((i 0))
|
|
(cond ((or (= i limit)
|
|
(~= (elt s1 i) (elt s2 i)))
|
|
(sub s1 0 i))
|
|
(#t (loop (1+ i)))))))
|
|
|
|
(defslimefun list-all-package-names (_|...)
|
|
(map sym-name (keys (all-modules))))
|
|
|
|
(df all-modules () (%module-loader-modules (runtime-module-loader)))
|
|
|
|
|
|
;;;; Macroexpand
|
|
|
|
(defslimefun swank-macroexpand-1 (str|<str>)
|
|
(write-to-string
|
|
(%ast-macro-expand (read-from-string str)
|
|
(module-target-environment (buffer-module))
|
|
#f)))
|
|
|
|
|
|
;;;; streams
|
|
|
|
(dc <slime-out-port> (<out-port>))
|
|
(dp @socket (<slime-out-port> => <port>))
|
|
(dp! @buf-len (<slime-out-port> => <int>) 0)
|
|
(dp @buf (<slime-out-port> => <vec>) (new <vec>))
|
|
(dp! @timestamp (<slime-out-port> => <int>) 0)
|
|
|
|
(dm recurring-write (port|<out-port> x|<slime-out-port> d|<int> recur|<fun>)
|
|
(msg port "#{%s buf-len: %s}" (class-name-str x) (@buf-len x)))
|
|
|
|
(dm put (p|<slime-out-port> c|<chr>)
|
|
(add! (@buf p) c)
|
|
(incf (@buf-len p))
|
|
(maybe-flush p (= c #\newline)))
|
|
|
|
(dm puts (p|<slime-out-port> s|<str>)
|
|
(add! (@buf p) s)
|
|
(incf (@buf-len p) (len s))
|
|
(maybe-flush p (mem? s #\newline)))
|
|
|
|
(df maybe-flush (p|<slime-out-port> newline?|<log>)
|
|
(and (or (> (@buf-len p) 4000) newline?)
|
|
(> (- (current-time) (@timestamp p)) 100000)
|
|
(force-out p)))
|
|
|
|
(dm force-out (p|<slime-out-port>)
|
|
(unless (zero? (@buf-len p))
|
|
(dispatch-event `(:write-string ,(%buf-to-str (@buf p))) (@socket p))
|
|
(set (@buf-len p) 0)
|
|
(zap! (@buf p)))
|
|
(set (@timestamp p) (current-time)))
|
|
|
|
(df %buf-to-str (buf|<vec>)
|
|
(packing-as <str>
|
|
(for ((i buf))
|
|
(cond ((isa? i <str>) (for ((c i)) (pack c)))
|
|
(#t (pack i))))))
|
|
|
|
(dc <slime-in-port> (<in-port>))
|
|
(dp @socket (<slime-in-port> => <port>))
|
|
(dp! @idx (<slime-in-port> => <int>) 0)
|
|
(dp! @buf (<slime-in-port> => <str>) "")
|
|
|
|
(df receive-input (p|<slime-in-port>)
|
|
(dispatch-event `(:read-string ,0) (@socket p)))
|
|
|
|
(dm get (p|<slime-in-port> => <chr>)
|
|
(cond ((< (@idx p) (len (@buf p)))
|
|
(def c (elt (@buf p) (@idx p)))
|
|
(incf (@idx p))
|
|
c)
|
|
(#t
|
|
(def input (receive-input p))
|
|
(cond ((zero? (len input)) (eof-object))
|
|
(#t (set (@buf p) input)
|
|
(set (@idx p) 0)
|
|
(get p))))))
|
|
|
|
(dm ready? (p|<slime-in-port> => <log>) (< (@idx p) (len (@buf p))))
|
|
|
|
(dm peek (p|<slime-in-port> => <chr>)
|
|
(let ((c (get p)))
|
|
(unless (eof-object? c)
|
|
(decf (@idx p)))
|
|
c))
|
|
|
|
|
|
;;;; Message encoding
|
|
|
|
(df decode-message (port|<in-port>)
|
|
(read-from-string (get-block port (read-message-length port))))
|
|
|
|
(df read-message-length (port)
|
|
(or (str-to-num (cat "#x" (get-block port 6)))
|
|
(error "can't parse message length")))
|
|
|
|
(df encode-message (message port)
|
|
(let ((string (dlet ((*max-print-length* 1000000)
|
|
(*max-print-depth* 1000000))
|
|
(write-to-string message))))
|
|
(puts port (encode-message-length (len string)))
|
|
(puts port string)
|
|
(force-out port)))
|
|
|
|
(df encode-message-length (n)
|
|
(loc ((hex (byte)
|
|
(if (< byte #x10)
|
|
(cat "0" (num-to-str-base byte 16))
|
|
(num-to-str-base byte 16)))
|
|
(byte (i) (hex (& (>> n (* i 8)) 255))))
|
|
(cat (byte 2) (byte 1) (byte 0))))
|
|
|
|
|
|
;;;; semi general utilities
|
|
|
|
;; Return the name of O's class as string.
|
|
(df class-name-str (o => <str>) (sym-name (class-name (class-of o))))
|
|
|
|
(df binding-name-str (b|<binding> => <str>) (sym-name (binding-name b)))
|
|
|
|
(df as-sym (str|<str>) (as <sym> str))
|
|
|
|
;; Replace '//' in the middle of a filename with with a '/'
|
|
(df simplify-filename (str|<str> => <str>)
|
|
(match (pathname-to-components str)
|
|
((,hd ,@tl)
|
|
(components-to-pathname (cons hd (del-vals tl 'root))))))
|
|
|
|
;; Execute BODY and only if BODY exits abnormally execute RECOVER.
|
|
(df try-recover (body recover)
|
|
(let ((ok #f))
|
|
(fin (let ((val (body)))
|
|
(set ok #t)
|
|
val)
|
|
(unless ok
|
|
(recover)))))
|
|
|
|
;; like CL's IGNORE-ERRORS but return VALUE in case of an error.
|
|
(df try-or (body|<fun> value)
|
|
(esc ret
|
|
(try <error> (fun (condition resume) (ret value))
|
|
(body))))
|
|
|
|
(df simple-restart (type msg body)
|
|
(esc restart
|
|
(try ((type type) (description msg))
|
|
(fun (c r) (restart #f))
|
|
(body))))
|
|
|
|
(df safe-write-to-string (o)
|
|
(esc ret
|
|
(try <error> (fun (c r)
|
|
(ret (cat "#<error during write " (class-name-str o) ">")))
|
|
(write-to-string o))))
|
|
|
|
;; Read a string of length COUNT.
|
|
(df get-block (port|<in-port> count|<int> => <str>)
|
|
(packing-as <str>
|
|
(for ((i (below count)))
|
|
(let ((c (get port)))
|
|
(cond ((eof-object? c)
|
|
(error "Premature EOF (read %d of %d)" i count))
|
|
(#t (pack c)))))))
|
|
|
|
|
|
;;;; import some internal bindings
|
|
|
|
(df %lookup (name|<sym> module|<sym>)
|
|
(loc-val
|
|
(binding-locative
|
|
(find-binding
|
|
name (module-target-environment (runtime-module module))))))
|
|
|
|
(d. %handler-info (%lookup 'handler-info 'goo/conditions))
|
|
(d. %handler-condition-type (%lookup 'handler-condition-type 'goo/conditions))
|
|
(d. %do-handlers-of-type (%lookup 'do-handlers-of-type 'goo/conditions))
|
|
(d. %module-loader-modules (%lookup 'module-loader-modules 'eval/module))
|
|
(d. %ast-macro-expand (%lookup 'ast-macro-expand 'eval/ast))
|
|
|
|
|
|
;;;; low level socket stuff
|
|
;;; this shouldn't be here
|
|
|
|
#{
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <sys/time.h>
|
|
|
|
/* convert a goo number to a C long */
|
|
static long g2i (P o) { return untag (o); }
|
|
|
|
static int
|
|
set_reuse_address (int socket, int value) {
|
|
return setsockopt (socket, SOL_SOCKET, SO_REUSEADDR, &value, sizeof value);
|
|
}
|
|
|
|
static int
|
|
bind_socket (int socket, int port) {
|
|
struct sockaddr_in addr;
|
|
addr.sin_family = AF_INET;
|
|
addr.sin_port = htons (port);
|
|
addr.sin_addr.s_addr = htonl (INADDR_ANY);
|
|
return bind (socket, (struct sockaddr *)&addr, sizeof addr);
|
|
}
|
|
|
|
static int
|
|
local_port (int socket) {
|
|
struct sockaddr_in addr;
|
|
socklen_t len = sizeof addr;
|
|
int code = getsockname (socket, (struct sockaddr *)&addr, &len);
|
|
return (code == -1) ? -1 : ntohs (addr.sin_port);
|
|
}
|
|
|
|
static int
|
|
c_accept (int socket) {
|
|
struct sockaddr_in addr;
|
|
socklen_t len = sizeof addr;
|
|
return accept (socket, (struct sockaddr *)&addr, &len);
|
|
}
|
|
|
|
static P tup3 (P e0, P e1, P e2) {
|
|
P tup = YPPtfab ((P)3, YPfalse);
|
|
YPtelt_setter (e0, tup, (P)0);
|
|
YPtelt_setter (e1, tup, (P)1);
|
|
YPtelt_setter (e2, tup, (P)2);
|
|
return tup;
|
|
}
|
|
|
|
static P
|
|
current_time (void) {
|
|
struct timeval timeval;
|
|
int code = gettimeofday (&timeval, NULL);
|
|
if (code == 0) {
|
|
return tup3 (YPib ((P)(timeval.tv_sec >> 24)),
|
|
YPib ((P)(timeval.tv_sec & 0xffffff)),
|
|
YPib ((P)(timeval.tv_usec)));
|
|
} else return YPib ((P)errno);
|
|
}
|
|
}
|
|
|
|
;; Return the current time in microsecs
|
|
(df current-time (=> <int>)
|
|
(def t #eg{ current_time () })
|
|
(cond ((isa? t <int>) (error "%s" (strerror t)))
|
|
(#t (+ (* (+ (<< (1st t) 24)
|
|
(2nd t))
|
|
1000000)
|
|
(3rd t)))))
|
|
|
|
(dm strerror (e|<int> => <str>) #es{ strerror (g2i ($e)) })
|
|
(dm strerror (e|(t= #f) => <str>) #es{ strerror (errno) })
|
|
|
|
(df checkr (value|<int>)
|
|
(cond ((~== value -1) value)
|
|
(#t (error "%s" (strerror #f)))))
|
|
|
|
(df create-socket (port|<int> => <int>)
|
|
(let ((socket (checkr #ei{ socket (PF_INET, SOCK_STREAM, 0) })))
|
|
(checkr #ei{ set_reuse_address (g2i ($socket), 1) })
|
|
(checkr #ei{ bind_socket (g2i ($socket), g2i ($port)) })
|
|
(checkr #ei{ listen (g2i ($socket), 1)})
|
|
socket))
|
|
|
|
(df %local-port (fd|<int>) (checkr #ei{ local_port (g2i ($fd)) }))
|
|
(df %close (fd|<int>) (checkr #ei{ close (g2i ($fd)) }))
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|
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(dc <fd-io-port> (<in-port> <out-port>))
|
|
(dp @fd (<fd-io-port> => <int>))
|
|
(dp @in (<fd-io-port> => <file-in-port>))
|
|
(dp @out (<fd-io-port> => <file-out-port>))
|
|
|
|
(dm recurring-write (port|<out-port> x|<fd-io-port> d|<int> recur|<fun>)
|
|
(msg port "#{%s fd: %s}" (class-name-str x) (@fd x)))
|
|
|
|
(dm get (port|<fd-io-port> => <chr>) (get (@in port)))
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|
|
|
(dm puts (port|<fd-io-port> s|<str>) (puts (@out port) s))
|
|
(dm force-out (port|<fd-io-port>) (force-out (@out port)))
|
|
|
|
(dm fdopen (fd|<int> type|(t= <fd-io-port>) => <fd-io-port>)
|
|
(new <fd-io-port> @fd fd
|
|
@in (new <file-in-port> port-handle (%fdopen fd "r"))
|
|
@out (new <file-out-port> port-handle (%fdopen fd "w"))))
|
|
|
|
(df %fdopen (fd|<int> mode|<str> => <loc>)
|
|
(def addr #ei{ fdopen (g2i ($fd), @mode) })
|
|
(when (zero? addr)
|
|
(error "fdopen failed: %s" (strerror #f)))
|
|
(%lb (%iu addr)))
|
|
|
|
(df accept (socket|<int> => <fd-io-port>)
|
|
(fdopen (checkr #ei{ c_accept (g2i ($socket)) }) <fd-io-port>))
|
|
|
|
(export
|
|
start-swank
|
|
create-server)
|
|
|
|
;;; swank-goo.goo ends here
|