;; Copyright (c) 2003 Nikodemus Siivola
-;;
+;;
;; Permission is hereby granted, free of charge, to any person obtaining
;; a copy of this software and associated documentation files (the
;; "Software"), to deal in the Software without restriction, including
;; distribute, sublicense, and/or sell copies of the Software, and to
;; permit persons to whom the Software is furnished to do so, subject to
;; the following conditions:
-;;
+;;
;; The above copyright notice and this permission notice shall be included
;; in all copies or substantial portions of the Software.
-;;
+;;
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
+
(in-package readline)
(defvar *whitespace* (list #\Space #\Tab))
(defmacro ignore-end-of-file (&body forms)
`(catch 'end-of-file
(handler-bind ((end-of-file (lambda (e)
- (declare (ignore e))
- (throw 'end-of-file nil))))
+ (declare (ignore e))
+ (throw 'end-of-file nil))))
,@forms)))
(def-function ("readline" c-readline)
:returning :void)
(let (pkg)
-
+
(defun add-completion (string)
"Add STRING as a custom-completion."
(setq pkg nil)
"Clear all custom-completions."
(setq pkg nil)
(c-clear-completions))
-
+
(defun use-package-complete (package)
"Load symbols in package CL-USER as custom-completions."
(unless (eql pkg package)
(setq pkg package)
(clear-completions)
(do-symbols (sym (find-package package))
- (add-completion (string-downcase (string sym)))))
+ (add-completion (string-downcase (string sym)))))
(use-custom-complete)
nil))
(with-cstring (c-string string)
(c-add-history c-string))
string)
-
+
(defun readline (&key (prompt "") (history t))
"Read a line from current TTY with line-editing."
(with-cstring (c-prompt prompt)
- (let ((str (string-trim *whitespace*
- (convert-and-free-foreign-string (c-readline c-prompt)))))
- (when (and history (not (string= "" str)))
- (add-history str))
+ (let* ((str (convert-and-free-foreign-string (c-readline c-prompt)))
+ (str2 (string-trim *whitespace* str)))
+ (when (and history (not (string= "" str2)))
+ (add-history str2))
str)))
-(defun readexpr (&key (primary-prompt "=> ") (secondary-prompt "| ") (history t))
+(defun readexpr (&key
+ (primary-prompt "=> ")
+ (secondary-prompt "| ")
+ (history t))
"Read an expression from current TTY with line-editing."
(let (expr)
(do* ((str (readline :prompt primary-prompt :history history)
- (readline :prompt secondary-prompt :history history))
- (input str (concatenate 'string input " " str)))
- ((ignore-end-of-file
- (setq expr (with-input-from-string (in input)
- (read in nil nil))))
- expr))))
+ (readline :prompt secondary-prompt :history history))
+ (input str (concatenate 'string input " " str)))
+ ((ignore-end-of-file
+ (setq expr (with-input-from-string (in input)
+ (read in nil nil))))
+ expr))))
+
+;;
+;; Termios
+;;
+
+(def-function "no_echo"
+ ()
+ :module "cl-termios"
+ :returning :void)
+(def-function "restore_term"
+ ()
+ :module "cl-termios"
+ :returning :void)
-
+(defmacro without-echo (&body forms)
+ `(unwind-protect
+ (progn
+ (no-echo)
+ ,@forms)
+ (restore-term)))