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Move completing-read-function and completing-read-default to elisp

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This commit is contained in:
Leo Liu 2011-06-23 11:35:05 +08:00
parent 5c62d13346
commit 4e3232657c
4 changed files with 44 additions and 80 deletions
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5
lisp/ChangeLog
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@ -1,3 +1,8 @@
2011-06-22 Leo Liu <sdl.web@gmail.com>
* minibuffer.el (completing-read-function)
(completing-read-default): Move from minibuf.c
2011-06-22 Richard Stallman <rms@gnu.org>
* mail/sendmail.el (mail-bury): If Rmail is in use, return nicely

33
lisp/minibuffer.el
View file

@ -2710,7 +2710,40 @@ filter out additional entries (because TABLE migth not obey PRED)."
(let ((newstr (completion-initials-expand string table pred)))
(when newstr
(completion-pcm-try-completion newstr table pred (length newstr)))))
(defvar completing-read-function 'completing-read-default
"The function called by `completing-read' to do its work.
It should accept the same arguments as `completing-read'.")
(defun completing-read-default (prompt collection &optional predicate
require-match initial-input
hist def inherit-input-method)
"Default method for reading from the minibuffer with completion.
See `completing-read' for the meaning of the arguments."
(when (consp initial-input)
(setq initial-input
(cons (car initial-input)
;; `completing-read' uses 0-based index while
;; `read-from-minibuffer' uses 1-based index.
(1+ (cdr initial-input)))))
(let* ((minibuffer-completion-table collection)
(minibuffer-completion-predicate predicate)
(minibuffer-completion-confirm (unless (eq require-match t)
require-match))
(keymap (if require-match
(if (memq minibuffer-completing-file-name '(nil lambda))
minibuffer-local-must-match-map
minibuffer-local-filename-must-match-map)
(if (memq minibuffer-completing-file-name '(nil lambda))
minibuffer-local-completion-map
minibuffer-local-filename-completion-map)))
(result (read-from-minibuffer prompt initial-input keymap
nil hist def inherit-input-method)))
(when (and (equal result "") def)
(setq result (if (consp def) (car def) def)))
result))
;; Miscellaneous

5
src/ChangeLog
View file

@ -1,3 +1,8 @@
2011-06-22 Leo Liu <sdl.web@gmail.com>
* minibuf.c (Fcompleting_read_default, Vcompleting_read_function):
Move to minibuffer.el.
2011-06-22 Paul Eggert <eggert@cs.ucla.edu>
Fixes for GLYPH_DEBUG found by GCC 4.6.0 static checking.

81
src/minibuf.c
View file

@ -72,7 +72,6 @@ Lisp_Object Qcompletion_ignore_case;
static Lisp_Object Qminibuffer_completion_table;
static Lisp_Object Qminibuffer_completion_predicate;
static Lisp_Object Qminibuffer_completion_confirm;
static Lisp_Object Qcompleting_read_default;
static Lisp_Object Quser_variable_p;
static Lisp_Object Qminibuffer_default;
@ -1694,7 +1693,7 @@ See also `completing-read-function'. */)
(Lisp_Object prompt, Lisp_Object collection, Lisp_Object predicate, Lisp_Object require_match, Lisp_Object initial_input, Lisp_Object hist, Lisp_Object def, Lisp_Object inherit_input_method)
{
Lisp_Object args[9];
args[0] = Vcompleting_read_function;
args[0] = Fsymbol_value (intern ("completing-read-function"));
args[1] = prompt;
args[2] = collection;
args[3] = predicate;
@ -1705,76 +1704,6 @@ See also `completing-read-function'. */)
args[8] = inherit_input_method;
return Ffuncall (9, args);
}
DEFUN ("completing-read-default", Fcompleting_read_default, Scompleting_read_default, 2, 8, 0,
doc: /* Default method for reading from the minibuffer with completion.
See `completing-read' for the meaning of the arguments. */)
(Lisp_Object prompt, Lisp_Object collection, Lisp_Object predicate, Lisp_Object require_match, Lisp_Object initial_input, Lisp_Object hist, Lisp_Object def, Lisp_Object inherit_input_method)
{
Lisp_Object val, histvar, histpos, position;
Lisp_Object init;
int pos = 0;
int count = SPECPDL_INDEX ();
struct gcpro gcpro1;
init = initial_input;
GCPRO1 (def);
specbind (Qminibuffer_completion_table, collection);
specbind (Qminibuffer_completion_predicate, predicate);
specbind (Qminibuffer_completion_confirm,
EQ (require_match, Qt) ? Qnil : require_match);
position = Qnil;
if (!NILP (init))
{
if (CONSP (init))
{
position = Fcdr (init);
init = Fcar (init);
}
CHECK_STRING (init);
if (!NILP (position))
{
CHECK_NUMBER (position);
/* Convert to distance from end of input. */
pos = XINT (position) - SCHARS (init);
}
}
if (SYMBOLP (hist))
{
histvar = hist;
histpos = Qnil;
}
else
{
histvar = Fcar_safe (hist);
histpos = Fcdr_safe (hist);
}
if (NILP (histvar))
histvar = Qminibuffer_history;
if (NILP (histpos))
XSETFASTINT (histpos, 0);
val = read_minibuf (NILP (require_match)
? (NILP (Vminibuffer_completing_file_name)
|| EQ (Vminibuffer_completing_file_name, Qlambda)
? Vminibuffer_local_completion_map
: Vminibuffer_local_filename_completion_map)
: (NILP (Vminibuffer_completing_file_name)
|| EQ (Vminibuffer_completing_file_name, Qlambda)
? Vminibuffer_local_must_match_map
: Vminibuffer_local_filename_must_match_map),
init, prompt, make_number (pos), 0,
histvar, histpos, def, 0,
!NILP (inherit_input_method));
if (STRINGP (val) && SCHARS (val) == 0 && ! NILP (def))
val = CONSP (def) ? XCAR (def) : def;
RETURN_UNGCPRO (unbind_to (count, val));
}
Lisp_Object Fassoc_string (register Lisp_Object key, Lisp_Object list, Lisp_Object case_fold);
@ -2013,7 +1942,6 @@ syms_of_minibuf (void)
minibuf_save_list = Qnil;
staticpro (&minibuf_save_list);
DEFSYM (Qcompleting_read_default, "completing-read-default");
DEFSYM (Qcompletion_ignore_case, "completion-ignore-case");
DEFSYM (Qread_file_name_internal, "read-file-name-internal");
DEFSYM (Qminibuffer_default, "minibuffer-default");
@ -2132,12 +2060,6 @@ If the value is `confirm-after-completion', the user may exit with an
doc: /* Non-nil means completing file names. */);
Vminibuffer_completing_file_name = Qnil;
DEFVAR_LISP ("completing-read-function",
Vcompleting_read_function,
doc: /* The function called by `completing-read' to do the work.
It should accept the same arguments as `completing-read'. */);
Vcompleting_read_function = Qcompleting_read_default;
DEFVAR_LISP ("minibuffer-help-form", Vminibuffer_help_form,
doc: /* Value that `help-form' takes on inside the minibuffer. */);
Vminibuffer_help_form = Qnil;
@ -2214,5 +2136,4 @@ properties. */);
defsubr (&Stest_completion);
defsubr (&Sassoc_string);
defsubr (&Scompleting_read);
defsubr (&Scompleting_read_default);
}