Commit 47ccb993 authored by Stefan Monnier's avatar Stefan Monnier
Browse files

*** empty log message ***

parent cc213f24
......@@ -510,6 +510,7 @@ Don't call this function; it is for internal use only."
(if (integerp b) (< a b)
t)
(if (integerp b) t
;; string< also accepts symbols.
(string< a b))))))
(dolist (p list)
(funcall function (car p) (cdr p))))
......@@ -2485,6 +2486,29 @@ If BODY finishes, `while-no-input' returns whatever value BODY produced."
(or (input-pending-p)
,@body))))))
(defmacro condition-case-no-debug (var bodyform &rest handlers)
"Like `condition-case' except that it does not catch anything when debugging.
More specifically if `debug-on-error' is set, then it does not catch any signal."
(declare (debug condition-case) (indent 2))
(let ((bodysym (make-symbol "body")))
`(let ((,bodysym (lambda () ,bodyform)))
(if debug-on-error
(funcall ,bodysym)
(condition-case ,var
(funcall ,bodysym)
,@handlers)))))
(defmacro with-demoted-errors (&rest body)
"Run BODY and demote any errors to simple messages.
If `debug-on-error' is non-nil, run BODY without catching its errors.
This is to be used around code which is not expected to signal an error
but which should be robust in the unexpected case that an error is signalled."
(declare (debug t) (indent 0))
(let ((err (make-symbol "err")))
`(condition-case-no-debug ,err
(progn ,@body)
(error (message "Error: %s" ,err) nil))))
(defmacro combine-after-change-calls (&rest body)
"Execute BODY, but don't call the after-change functions till the end.
If BODY makes changes in the buffer, they are recorded
......@@ -2519,6 +2543,20 @@ The value returned is the value of the last form in BODY."
;;;; Constructing completion tables.
(defun complete-with-action (action table string pred)
"Perform completion ACTION.
STRING is the string to complete.
TABLE is the completion table, which should not be a function.
PRED is a completion predicate.
ACTION can be one of nil, t or `lambda'."
;; (assert (not (functionp table)))
(funcall
(cond
((null action) 'try-completion)
((eq action t) 'all-completions)
(t 'test-completion))
string table pred))
(defmacro dynamic-completion-table (fun)
"Use function FUN as a dynamic completion table.
FUN is called with one argument, the string for which completion is required,
......@@ -2540,10 +2578,7 @@ that can be used as the ALIST argument to `try-completion' and
(with-current-buffer (let ((,win (minibuffer-selected-window)))
(if (window-live-p ,win) (window-buffer ,win)
(current-buffer)))
(cond
((eq ,mode t) (all-completions ,string (,fun ,string) ,predicate))
((not ,mode) (try-completion ,string (,fun ,string) ,predicate))
(t (test-completion ,string (,fun ,string) ,predicate)))))))
(complete-with-action ,mode (,fun ,string) ,string ,predicate)))))
(defmacro lazy-completion-table (var fun)
;; We used to have `&rest args' where `args' were evaluated late (at the
......
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