/usr/share/emacs/site-lisp/slime/contrib/slime-c-p-c.el is in slime 2:2.10.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 | (require 'slime)
(require 'cl-lib)
(defvar slime-c-p-c-init-undo-stack nil)
(define-slime-contrib slime-c-p-c
"ILISP style Compound Prefix Completion."
(:authors "Luke Gorrie <luke@synap.se>"
"Edi Weitz <edi@agharta.de>"
"Matthias Koeppe <mkoeppe@mail.math.uni-magdeburg.de>"
"Tobias C. Rittweiler <tcr@freebits.de>")
(:license "GPL")
(:slime-dependencies slime-parse slime-editing-commands slime-autodoc)
(:swank-dependencies swank-c-p-c)
(:on-load
(push
`(progn
(setq slime-complete-symbol-function ',slime-complete-symbol-function)
(remove-hook 'slime-connected-hook 'slime-c-p-c-on-connect)
,@(when (featurep 'slime-repl)
`((define-key slime-mode-map "\C-c\C-s"
',(lookup-key slime-mode-map "\C-c\C-s"))
(define-key slime-repl-mode-map "\C-c\C-s"
',(lookup-key slime-repl-mode-map "\C-c\C-s")))))
slime-c-p-c-init-undo-stack)
(setq slime-complete-symbol-function 'slime-complete-symbol*)
(define-key slime-mode-map "\C-c\C-s" 'slime-complete-form)
(when (featurep 'slime-repl)
(define-key slime-repl-mode-map "\C-c\C-s" 'slime-complete-form)))
(:on-unload
(while slime-c-p-c-init-undo-stack
(eval (pop slime-c-p-c-init-undo-stack)))))
(defcustom slime-c-p-c-unambiguous-prefix-p t
"If true, set point after the unambigous prefix.
If false, move point to the end of the inserted text."
:type 'boolean
:group 'slime-ui)
(defcustom slime-complete-symbol*-fancy nil
"Use information from argument lists for DWIM'ish symbol completion."
:group 'slime-mode
:type 'boolean)
(defun slime-complete-symbol* ()
"Expand abbreviations and complete the symbol at point."
;; NB: It is only the name part of the symbol that we actually want
;; to complete -- the package prefix, if given, is just context.
(or (slime-maybe-complete-as-filename)
(slime-expand-abbreviations-and-complete)))
;; FIXME: factorize
(defun slime-expand-abbreviations-and-complete ()
(let* ((end (move-marker (make-marker) (slime-symbol-end-pos)))
(beg (move-marker (make-marker) (slime-symbol-start-pos)))
(prefix (buffer-substring-no-properties beg end))
(completion-result (slime-contextual-completions beg end))
(completion-set (cl-first completion-result))
(completed-prefix (cl-second completion-result)))
(if (null completion-set)
(progn (slime-minibuffer-respecting-message
"Can't find completion for \"%s\"" prefix)
(ding)
(slime-complete-restore-window-configuration))
;; some XEmacs issue makes this distinction necessary
(cond ((> (length completed-prefix) (- end beg))
(goto-char end)
(insert-and-inherit completed-prefix)
(delete-region beg end)
(goto-char (+ beg (length completed-prefix))))
(t nil))
(cond ((and (member completed-prefix completion-set)
(slime-length= completion-set 1))
(slime-minibuffer-respecting-message "Sole completion")
(when slime-complete-symbol*-fancy
(slime-complete-symbol*-fancy-bit))
(slime-complete-restore-window-configuration))
;; Incomplete
(t
(when (member completed-prefix completion-set)
(slime-minibuffer-respecting-message
"Complete but not unique"))
(when slime-c-p-c-unambiguous-prefix-p
(let ((unambiguous-completion-length
(cl-loop for c in completion-set
minimizing (or (cl-mismatch completed-prefix c)
(length completed-prefix)))))
(goto-char (+ beg unambiguous-completion-length))))
(slime-display-or-scroll-completions completion-set
completed-prefix))))))
(defun slime-complete-symbol*-fancy-bit ()
"Do fancy tricks after completing a symbol.
\(Insert a space or close-paren based on arglist information.)"
(let ((arglist (slime-retrieve-arglist (slime-symbol-at-point))))
(unless (eq arglist :not-available)
(let ((args
;; Don't intern these symbols
(let ((obarray (make-vector 10 0)))
(cdr (read arglist))))
(function-call-position-p
(save-excursion
(backward-sexp)
(equal (char-before) ?\())))
(when function-call-position-p
(if (null args)
(execute-kbd-macro ")")
(execute-kbd-macro " ")
(when (and (slime-background-activities-enabled-p)
(not (minibuffer-window-active-p (minibuffer-window))))
(slime-echo-arglist))))))))
(cl-defun slime-contextual-completions (beg end)
"Return a list of completions of the token from BEG to END in the
current buffer."
(let ((token (buffer-substring-no-properties beg end)))
(cond
((and (< beg (point-max))
(string= (buffer-substring-no-properties beg (1+ beg)) ":"))
;; Contextual keyword completion
(let ((completions
(slime-completions-for-keyword token
(save-excursion
(goto-char beg)
(slime-parse-form-upto-point)))))
(when (cl-first completions)
(cl-return-from slime-contextual-completions completions))
;; If no matching keyword was found, do regular symbol
;; completion.
))
((and (>= (length token) 2)
(string= (cl-subseq token 0 2) "#\\"))
;; Character name completion
(cl-return-from slime-contextual-completions
(slime-completions-for-character token))))
;; Regular symbol completion
(slime-completions token)))
(defun slime-completions (prefix)
(slime-eval `(swank:completions ,prefix ',(slime-current-package))))
(defun slime-completions-for-keyword (prefix buffer-form)
(slime-eval `(swank:completions-for-keyword ,prefix ',buffer-form)))
(defun slime-completions-for-character (prefix)
(cl-labels ((append-char-syntax (string) (concat "#\\" string)))
(let ((result (slime-eval `(swank:completions-for-character
,(cl-subseq prefix 2)))))
(when (car result)
(list (mapcar 'append-char-syntax (car result))
(append-char-syntax (cadr result)))))))
;;; Complete form
(defun slime-complete-form ()
"Complete the form at point.
This is a superset of the functionality of `slime-insert-arglist'."
(interactive)
;; Find the (possibly incomplete) form around point.
(let ((buffer-form (slime-parse-form-upto-point)))
(let ((result (slime-eval `(swank:complete-form ',buffer-form))))
(if (eq result :not-available)
(error "Could not generate completion for the form `%s'" buffer-form)
(progn
(just-one-space (if (looking-back "\\s(" (1- (point)))
0
1))
(save-excursion
(insert result)
(let ((slime-close-parens-limit 1))
(slime-close-all-parens-in-sexp)))
(save-excursion
(backward-up-list 1)
(indent-sexp)))))))
(provide 'slime-c-p-c)
|