如何获取Emacs lisp非交互功能列表？

如何获得可以在Emacs Lisp中使用的非交互功能的完整列表？

交互式的很容易在帮助系统中找到,但我想要一个完整的列表,列出我可以使用的所有其他功能.例如concat,car,cdr等.(并优选用文档).

谢谢

埃德

编辑:回答感谢Jouni.我对他的答案进行了一些调整,然后对结果进行排序(使用他的代码结果来帮助我找到正确的排序函数!)

(flet ((first-line (text)
                   (if text
                       (substring text 0 (string-match "\n" text))
                     "")))
  (let ((funclist (list)))
    (mapatoms 
     (lambda (x)
       (and (fboundp x)                     ; does x name a function?
            (not (commandp (symbol-function x))) ; is it non-interactive?
            (subrp (symbol-function x))          ; is it built-in?
            (add-to-list 'funclist 
                         (concat (symbol-name x) " - " (first-line (documentation x))
                                 "\n")))))
    (dolist (item (sort funclist 'string<))
      (insert item))))

Jouni K. Sep.. 15

这是基本的想法 - 有关任何不清楚的概念,请参阅Emacs Lisp手册.

(flet ((first-line (text)
         (if text
             (substring text 0 (string-match "\n" text))
           "")))
  (mapatoms 
   (lambda (x)
     (and (fboundp x)                          ; does x name a function?
          (not (commandp (symbol-function x))) ; is it non-interactive?
          (subrp (symbol-function x))          ; is it built-in?
          (insert (symbol-name x) " - " (first-line (documentation x)) "\n")))))

Ryan C. Thom.. 5

尝试apropos代替apropos-command。这将为您提供所有功能，而不仅仅是交互功能。C-h a默认情况下绑定到后者，但是如果您要进行大量的elisp hacking，我建议将其绑定到前者。

这是基本的想法 - 有关任何不清楚的概念,请参阅Emacs Lisp手册.

(flet ((first-line (text)
         (if text
             (substring text 0 (string-match "\n" text))
           "")))
  (mapatoms 
   (lambda (x)
     (and (fboundp x)                          ; does x name a function?
          (not (commandp (symbol-function x))) ; is it non-interactive?
          (subrp (symbol-function x))          ; is it built-in?
          (insert (symbol-name x) " - " (first-line (documentation x)) "\n")))))

尝试apropos代替apropos-command。这将为您提供所有功能，而不仅仅是交互功能。C-h a默认情况下绑定到后者，但是如果您要进行大量的elisp hacking，我建议将其绑定到前者。