technomancy / emacs-starter-kit
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Description: All the code you need to get started, with an emphasis on dynamic languages.
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Clone URL: git://github.com/technomancy/emacs-starter-kit.git
emacs-starter-kit / starter-kit-lisp.el
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;;; starter-kit-lisp.el --- Some helpful Lisp code
;;
;; Part of the Emacs Starter Kit
 
(define-key read-expression-map (kbd "TAB") 'lisp-complete-symbol)
(define-key lisp-mode-shared-map (kbd "C-c l") "lambda")
(define-key lisp-mode-shared-map (kbd "RET") 'reindent-then-newline-and-indent)
(define-key lisp-mode-shared-map (kbd "C-\\") 'lisp-complete-symbol)
(define-key lisp-mode-shared-map (kbd "C-c v") 'eval-buffer)
 
(defface esk-paren-face
   '((((class color) (background dark))
      (:foreground "grey50"))
     (((class color) (background light))
      (:foreground "grey55")))
   "Face used to dim parentheses."
   :group 'starter-kit-faces)
 
;;; Emacs Lisp
 
(add-hook 'emacs-lisp-mode-hook 'turn-on-eldoc-mode)
(add-hook 'emacs-lisp-mode-hook 'esk-remove-elc-on-save)
 
(defun esk-remove-elc-on-save ()
  "If you're saving an elisp file, likely the .elc is no longer valid."
  (make-local-variable 'after-save-hook)
  (add-hook 'after-save-hook
            (lambda ()
              (if (file-exists-p (concat buffer-file-name "c"))
                  (delete-file (concat buffer-file-name "c"))))))
 
(define-key emacs-lisp-mode-map (kbd "M-.") 'find-function-at-point)
 
;;; Clojure
 
(eval-after-load 'find-file-in-project
  '(add-to-list 'ffip-patterns "*.clj"))
 
(defun clojure-project (path)
  "Setup classpaths for a clojure project and starts a new SLIME session.
  Kills existing SLIME session, if any."
  (interactive (list
                (ido-read-directory-name
                 "Project root: "
                 (locate-dominating-file default-directory "src"))))
  (require 'swank-clojure)
  (require 'slime)
  (when (get-buffer "*inferior-lisp*")
    (kill-buffer "*inferior-lisp*"))
  (add-to-list 'swank-clojure-extra-vm-args
               (format "-Dclojure.compile.path=%s"
                       (expand-file-name "target/classes/" path)))
  (setq swank-clojure-binary nil
        swank-clojure-jar-path (expand-file-name "target/dependency/" path)
        swank-clojure-extra-classpaths
        (append (mapcar (lambda (d) (expand-file-name d path))
                        '("src/" "target/classes/" "test/"))
                (let ((lib (expand-file-name "lib" path)))
                  (if (file-exists-p lib)
                      (directory-files lib t ".jar$"))))
        slime-lisp-implementations
        (cons `(clojure ,(swank-clojure-cmd) :init swank-clojure-init)
              (remove-if #'(lambda (x) (eq (car x) 'clojure))
                         slime-lisp-implementations)))
  (message "Deprecated: use swank-clojure-project from swank-clojure.")
  (save-window-excursion
    (slime)))
 
;;; Enhance Lisp Modes
 
(eval-after-load 'paredit
  '(define-key paredit-mode-map (kbd ";") 'self-insert-command))
 
(dolist (x '(scheme emacs-lisp lisp clojure))
  (font-lock-add-keywords
   (intern (concat (symbol-name x) "-mode"))
   '(("(\\|)" . 'esk-paren-face)))
  (add-hook
   (intern (concat (symbol-name x) "-mode-hook"))
   (lambda ()
     (paredit-mode +1)
     (idle-highlight +1)
     (run-coding-hook))))
 
(provide 'starter-kit-lisp)
;; starter-kit-lisp.el ends here