diff options
author | Stefan Monnier <monnier@iro.umontreal.ca> | 2011-04-28 16:39:11 -0300 |
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committer | Stefan Monnier <monnier@iro.umontreal.ca> | 2011-04-28 16:39:11 -0300 |
commit | 08abfaad86031776b5c01de4d6a8cadb4986896b (patch) | |
tree | 84f82120d604344c2fd91fd43b4ba99e2acf3da8 /lisp/pcomplete.el | |
parent | 638f053a0eb0c69390c29346ac465f30abd80a88 (diff) | |
download | emacs-08abfaad86031776b5c01de4d6a8cadb4986896b.tar.gz |
* lisp/pcomplete.el (pcomplete-completions-at-point): Return nil if there
aren't any completions at point.
Diffstat (limited to 'lisp/pcomplete.el')
-rw-r--r-- | lisp/pcomplete.el | 102 |
1 files changed, 51 insertions, 51 deletions
diff --git a/lisp/pcomplete.el b/lisp/pcomplete.el index 82f809d00ce..6ee617d9862 100644 --- a/lisp/pcomplete.el +++ b/lisp/pcomplete.el @@ -489,57 +489,57 @@ Same as `pcomplete' but using the standard completion UI." ;; prefix from pcomplete-stub. (beg (max (- (point) (length pcomplete-stub)) (pcomplete-begin))) - (buftext (buffer-substring beg (point))) - (table - (cond - ((null completions) nil) - ((not (equal pcomplete-stub buftext)) - ;; This isn't always strictly right (e.g. if - ;; FOO="toto/$FOO", then completion of /$FOO/bar may - ;; result in something incorrect), but given the lack of - ;; any other info, it's about as good as it gets, and in - ;; practice it should work just fine (fingers crossed). - (let ((prefixes (pcomplete--common-quoted-suffix - pcomplete-stub buftext))) - (apply-partially - 'pcomplete--table-subvert - completions - (cdr prefixes) (car prefixes)))) - (t - (lexical-let ((completions completions)) - (lambda (string pred action) - (let ((res (complete-with-action - action completions string pred))) - (if (stringp res) - (pcomplete-quote-argument res) - res))))))) - (pred - ;; pare it down, if applicable - (when (and table pcomplete-use-paring pcomplete-seen) - (setq pcomplete-seen - (mapcar (lambda (f) - (funcall pcomplete-norm-func - (directory-file-name f))) - pcomplete-seen)) - (lambda (f) - (not (when pcomplete-seen - (member - (funcall pcomplete-norm-func - (directory-file-name f)) - pcomplete-seen))))))) - (unless (zerop (length pcomplete-termination-string)) - ;; Add a space at the end of completion. Use a terminator-regexp - ;; that never matches since the terminator cannot appear - ;; within the completion field anyway. - (setq table - (apply-partially #'completion-table-with-terminator - (cons pcomplete-termination-string - "\\`a\\`") - table))) - (when pcomplete-ignore-case - (setq table - (apply-partially #'completion-table-case-fold table))) - (list beg (point) table :predicate pred)))) + (buftext (buffer-substring beg (point)))) + (when completions + (let ((table + (cond + ((not (equal pcomplete-stub buftext)) + ;; This isn't always strictly right (e.g. if + ;; FOO="toto/$FOO", then completion of /$FOO/bar may + ;; result in something incorrect), but given the lack of + ;; any other info, it's about as good as it gets, and in + ;; practice it should work just fine (fingers crossed). + (let ((prefixes (pcomplete--common-quoted-suffix + pcomplete-stub buftext))) + (apply-partially + 'pcomplete--table-subvert + completions + (cdr prefixes) (car prefixes)))) + (t + (lexical-let ((completions completions)) + (lambda (string pred action) + (let ((res (complete-with-action + action completions string pred))) + (if (stringp res) + (pcomplete-quote-argument res) + res))))))) + (pred + ;; Pare it down, if applicable. + (when (and pcomplete-use-paring pcomplete-seen) + (setq pcomplete-seen + (mapcar (lambda (f) + (funcall pcomplete-norm-func + (directory-file-name f))) + pcomplete-seen)) + (lambda (f) + (not (when pcomplete-seen + (member + (funcall pcomplete-norm-func + (directory-file-name f)) + pcomplete-seen))))))) + (unless (zerop (length pcomplete-termination-string)) + ;; Add a space at the end of completion. Use a terminator-regexp + ;; that never matches since the terminator cannot appear + ;; within the completion field anyway. + (setq table + (apply-partially #'completion-table-with-terminator + (cons pcomplete-termination-string + "\\`a\\`") + table))) + (when pcomplete-ignore-case + (setq table + (apply-partially #'completion-table-case-fold table))) + (list beg (point) table :predicate pred)))))) ;; I don't think such commands are usable before first setting up buffer-local ;; variables to parse args, so there's no point autoloading it. |