1 ;; geiser-chicken.el -- chicken's implementation of the geiser protocols
3 ;; Copyright (C) 2014, 2015 Daniel Leslie
5 ;; Based on geiser-guile.el by Jose Antonio Ortego Ruize
7 ;; This program is free software; you can redistribute it and/or
8 ;; modify it under the terms of the Modified BSD License. You should
9 ;; have received a copy of the license along with this program. If
10 ;; not, see <http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5>.
12 ;; Start date: Sun Mar 08, 2009 23:03
15 (require 'geiser-connection
)
16 (require 'geiser-syntax
)
17 (require 'geiser-custom
)
18 (require 'geiser-base
)
19 (require 'geiser-eval
)
20 (require 'geiser-edit
)
27 (eval-when-compile (require 'cl
))
29 (defconst geiser-chicken-builtin-keywords
39 "define-specialization"
48 "foreign-safe-lambda*"
59 "with-input-from-pipe"))
64 (defgroup geiser-chicken nil
65 "Customization for Geiser's Chicken flavour."
68 (geiser-custom--defcustom geiser-chicken-prefix-delimiters
70 "Regex to match symbol prefix delimiters. Consider that it will be placed inside []."
71 :type
'(repeat string
)
72 :group
'geiser-chicken
)
74 (geiser-custom--defcustom geiser-chicken-binary
75 (cond ((eq system-type
'windows-nt
) '("csi.exe" "-:c"))
76 ((eq system-type
'darwin
) "csi")
78 "Name to use to call the Chicken executable when starting a REPL."
79 :type
'(choice string
(repeat string
))
80 :group
'geiser-chicken
)
82 (geiser-custom--defcustom geiser-chicken-load-path nil
83 "A list of paths to be added to Chicken's load path when it's
86 :group
'geiser-chicken
)
88 (geiser-custom--defcustom geiser-chicken-compile-geiser-p t
89 "Non-nil means that the Geiser runtime will be compiled on load."
91 :group
'geiser-chicken
)
93 (geiser-custom--defcustom geiser-chicken-init-file
"~/.chicken-geiser"
94 "Initialization file with user code for the Chicken REPL.
95 If all you want is to load ~/.csirc, set
96 `geiser-chicken-load-init-file-p' instead."
98 :group
'geiser-chicken
)
100 (geiser-custom--defcustom geiser-chicken-load-init-file-p nil
101 "Whether to load ~/.chicken when starting Chicken.
102 Note that, due to peculiarities in the way Chicken loads its init
103 file, using `geiser-chicken-init-file' is not equivalent to setting
106 :group
'geiser-chicken
)
108 (geiser-custom--defcustom geiser-chicken-extra-keywords nil
109 "Extra keywords highlighted in Chicken scheme buffers."
110 :type
'(repeat string
)
111 :group
'geiser-chicken
)
113 (geiser-custom--defcustom geiser-chicken-case-sensitive-p t
114 "Non-nil means keyword highlighting is case-sensitive."
116 :group
'geiser-chicken
)
121 (defun geiser-chicken--binary ()
122 (if (listp geiser-chicken-binary
)
123 (car geiser-chicken-binary
)
124 geiser-chicken-binary
))
126 (defun geiser-chicken--parameters ()
127 "Return a list with all parameters needed to start Chicken.
128 This function uses `geiser-chicken-init-file' if it exists."
129 (let ((init-file (and (stringp geiser-chicken-init-file
)
130 (expand-file-name geiser-chicken-init-file
)))
131 (n-flags (and (not geiser-chicken-load-init-file-p
) '("-n"))))
132 `(,@(and (listp geiser-chicken-binary
) (cdr geiser-chicken-binary
))
133 ,@n-flags
"-include-path" ,(expand-file-name "chicken/" geiser-scheme-dir
)
134 ,@(apply 'append
(mapcar (lambda (p) (list "-include-path" p
))
135 geiser-chicken-load-path
))
136 ,@(and init-file
(file-readable-p init-file
) (list init-file
)))))
138 (defconst geiser-chicken--prompt-regexp
"#[^;]*;[^:0-9]*:?[0-9]+> ")
141 ;;; Evaluation support:
143 (defun geiser-chicken--geiser-procedure (proc &rest args
)
146 (let ((form (mapconcat 'identity
(cdr args
) " "))
147 (module (if (car args
) (concat "'" (car args
)) "#f")))
148 (format "(geiser-eval %s '%s)" module form
)))
149 ((load-file compile-file
)
150 (format "(geiser-load-file %s)" (car args
)))
152 "(geiser-no-values)")
154 (let ((form (mapconcat 'identity args
" ")))
155 (format "(geiser-%s %s)" proc form
)))))
157 (defconst geiser-chicken--module-re
158 "( *module +\\(([^)]+)\\|[^ ]+\\)\\|( *define-library +\\(([^)]+)\\|[^ ]+\\)")
160 (defun geiser-chicken--get-module (&optional module
)
163 (geiser-syntax--pop-to-top)
164 (if (or (re-search-backward geiser-chicken--module-re nil t
)
165 (looking-at geiser-chicken--module-re
)
166 (re-search-forward geiser-chicken--module-re nil t
))
167 (geiser-chicken--get-module (match-string-no-properties 1))
169 ((listp module
) module
)
172 (car (geiser-syntax--read-from-string module
))
176 (defun geiser-chicken--module-cmd (module fmt
&optional def
)
178 (let* ((module (geiser-chicken--get-module module
))
179 (module (cond ((or (null module
) (eq module
:f
)) def
)
180 (t (format "%s" module
)))))
181 (and module
(format fmt module
)))))
183 (defun geiser-chicken--import-command (module)
184 (geiser-chicken--module-cmd module
"(use %s)"))
186 (defun geiser-chicken--enter-command (module)
187 (geiser-chicken--module-cmd module
",m %s" module
))
189 (defun geiser-chicken--exit-command () ",q")
191 (defun geiser-chicken--symbol-begin (module)
196 (max (save-excursion (beginning-of-line) (point))
197 (save-excursion (skip-syntax-backward "^(>") (1- (point))))
198 (save-excursion (skip-syntax-backward "^'-()>") (point)))
199 (let ((distance-to-beginning-of-line (- (point) (line-beginning-position))))
201 (lambda (match-string)
203 (skip-chars-backward match-string distance-to-beginning-of-line
) (point)))
204 geiser-chicken-prefix-delimiters
)))))
209 (defun geiser-chicken--display-error (module key msg
)
212 (save-excursion (insert msg
))
213 (geiser-edit--buttonize-files))
214 (and (not key
) msg
(not (zerop (length msg
)))))
217 ;;; Trying to ascertain whether a buffer is Chicken Scheme:
219 (defconst geiser-chicken--guess-re
220 (regexp-opt (append '("csi" "chicken") geiser-chicken-builtin-keywords
)))
222 (defun geiser-chicken--guess ()
224 (goto-char (point-min))
225 (re-search-forward geiser-chicken--guess-re nil t
)))
227 (defun geiser-chicken--external-help (id module
)
228 "Loads chicken doc into a buffer"
229 (browse-url (format "http://api.call-cc.org/cdoc?q=%s&query-name=Look+up" id
)))
232 ;;; Keywords and syntax
234 (defun geiser-chicken--keywords ()
236 (geiser-syntax--simple-keywords geiser-chicken-extra-keywords
)
237 (geiser-syntax--simple-keywords geiser-chicken-builtin-keywords
)))
239 (geiser-syntax--scheme-indent
241 (compiler-typecase 1)
252 (foreign-primitive 2)
253 (foreign-safe-lambda 2)
254 (foreign-safe-lambda* 2)
256 (handle-exceptions 2)
267 (with-input-from-pipe 1)
268 (with-output-to-pipe 1))
273 (defconst geiser-chicken-minimum-version
"4.8.0.0")
275 (defun geiser-chicken--version (binary)
276 (shell-command-to-string
277 (format "%s -e %s" binary
278 (shell-quote-argument "(display (chicken-version))"))))
280 (defun connect-to-chicken ()
281 "Start a Chicken REPL connected to a remote process."
283 (geiser-connect 'chicken
))
285 (defun geiser-chicken--compile-or-load (force-load)
287 (expand-file-name "chicken/geiser/emacs.so" geiser-scheme-dir
))
289 (expand-file-name "chicken/geiser/emacs.scm" geiser-scheme-dir
))
290 (force-load (or force-load
(eq system-type
'windows-nt
)))
292 "(define geiser-stdout (current-output-port))(current-output-port (make-output-port (lambda a #f) (lambda a #f)))")
294 "(current-output-port geiser-stdout)"))
298 (format "(load \"%s\")\n(import geiser)\n" source
))
299 ((file-exists-p target
)
300 (format "%s(load \"%s\")(import geiser)%s\n"
301 suppression-prefix target suppression-postfix
))
303 (format "%s(use utils)(compile-file \"%s\" options: '(\"-O3\" \"-s\") output-file: \"%s\" load: #t)(import geiser)%s\n"
304 suppression-prefix source target suppression-postfix
)))))
305 (geiser-eval--send/wait load-sequence
))))
307 (defun geiser-chicken--startup (remote)
308 (compilation-setup t
)
309 (geiser-chicken--compile-or-load (not geiser-chicken-compile-geiser-p
)))
312 ;;; Implementation definition:
314 (define-geiser-implementation chicken
315 (unsupported-procedures '(callers callees generic-methods
))
316 (binary geiser-chicken--binary
)
317 (arglist geiser-chicken--parameters
)
318 (version-command geiser-chicken--version
)
319 (minimum-version geiser-chicken-minimum-version
)
320 (repl-startup geiser-chicken--startup
)
321 (prompt-regexp geiser-chicken--prompt-regexp
)
322 (debugger-prompt-regexp nil
)
324 (marshall-procedure geiser-chicken--geiser-procedure
)
325 (find-module geiser-chicken--get-module
)
326 (enter-command geiser-chicken--enter-command
)
327 (exit-command geiser-chicken--exit-command
)
328 (import-command geiser-chicken--import-command
)
329 (find-symbol-begin geiser-chicken--symbol-begin
)
330 (display-error geiser-chicken--display-error
)
331 (external-help geiser-chicken--external-help
)
332 (check-buffer geiser-chicken--guess
)
333 (keywords geiser-chicken--keywords
)
334 (case-sensitive geiser-chicken-case-sensitive-p
))
336 (geiser-impl--add-to-alist 'regexp
"\\.scm$" 'chicken t
)
337 (geiser-impl--add-to-alist 'regexp
"\\.release-info$" 'chicken t
)
338 (geiser-impl--add-to-alist 'regexp
"\\.meta$" 'chicken t
)
339 (geiser-impl--add-to-alist 'regexp
"\\.setup$" 'chicken t
)
341 (provide 'geiser-chicken
)