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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)
(defun turn-on-paredit ()
(paredit-mode +1))
;; (eval-after-load 'paredit
;; ;; Not sure why paredit behaves this way with comments; it's annoying
;; '(define-key paredit-mode-map (kbd ";") 'self-insert-command))
(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 'run-coding-hook)
(add-hook 'emacs-lisp-mode-hook 'esk-remove-elc-on-save)
(add-hook 'emacs-lisp-mode-hook 'idle-highlight)
(add-hook 'emacs-lisp-mode-hook 'turn-on-paredit)
(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"If you're saving an elisp file, likely the .elc is no longer valid."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"))))))
(font-lock-add-keywords 'emacs-lisp-mode
'(("(\\|)" . 'esk-paren-face)))
;;; Clojure
(add-hook 'clojure-mode-hook 'run-coding-hook)
(add-hook 'clojure-mode-hook 'idle-highlight)
(font-lock-add-keywords 'clojure-mode
'(("(\\|)" . 'esk-paren-face)))
(defface esk-clojure-trace-face
'((((class color) (background dark))
(:foreground "grey50"))
(((class color) (background light))
(:foreground "grey55")))
"Face used to dim parentheses."
:group 'starter-kit-faces)
(setq esk-clojure-trace-face 'esk-clojure-trace-face)
;; This will make relevant lines stand out more in stack traces
(defun sldb-font-lock ()
(font-lock-add-keywords nil
'(("[0-9]+: \\(clojure\.\\(core\\|lang\\).*\\)"
1 esk-clojure-trace-face)
("[0-9]+: \\(java.*\\)"
1 esk-clojure-trace-face)
("[0-9]+: \\(swank.*\\)"
1 esk-clojure-trace-face)
1 font-lock-function-name-face))))
(add-hook 'sldb-mode-hook 'sldb-font-lock)
(defun slime-jump-to-trace (&optional on)
"Jump to the file/line that the current stack trace line references.
Only works with files in your project root's src/, not in dependencies."
(search-forward-regexp "[0-9]: \\([^$(]+\\).*?\\([0-9]*\\))")
(let ((line (string-to-number (match-string 2)))
(ns-path (split-string (match-string 1) "\\."))
(project-root (locate-dominating-file default-directory "src/")))
(find-file (format "%s/src/%s.clj" project-root
(mapconcat 'identity ns-path "/")))
(goto-line line))))
(eval-after-load 'slime
(defalias 'sldb-toggle-details 'slime-jump-to-trace)
(defun sldb-prune-initial-frames (frames)
"Show all stack trace lines by default."
(eval-after-load 'find-file-in-project
'(add-to-list 'ffip-patterns "*.clj"))
;; You might like this, but it's a bit disorienting at first:
(add-hook 'clojure-mode-hook 'turn-on-paredit)
(defun clojure-project (path)
"Setup classpaths for a clojure project and starts a new SLIME session.
Kills existing SLIME session, if any."
(interactive (list
"Project root: "
(locate-dominating-file default-directory "pom.xml"))))
(when (get-buffer "*inferior-lisp*")
(kill-buffer "*inferior-lisp*"))
(defvar swank-clojure-extra-vm-args nil)
(defvar slime-lisp-implementations nil)
(add-to-list 'swank-clojure-extra-vm-args
(format "-Dclojure.compile.path=%s"
(expand-file-name "target/classes/" path)))
(setq swank-clojure-binary nil
swank-clojure-jar-path (expand-file-name "target/dependency/" path)
(append (mapcar (lambda (d) (expand-file-name d path))
'("src/" "target/classes/" "test/"))
(let ((lib (expand-file-name "lib" path)))
(if (file-exists-p lib)
(directory-files lib t ".jar$"))))
(cons `(clojure ,(swank-clojure-cmd) :init swank-clojure-init)
(remove-if #'(lambda (x) (eq (car x) 'clojure))
;;; Scheme
(add-hook 'scheme-mode-hook 'run-coding-hook)
(add-hook 'scheme-mode-hook 'idle-highlight)
(font-lock-add-keywords 'scheme-mode
'(("(\\|)" . 'esk-paren-face)))
;;; Common Lisp
(add-hook 'lisp-mode-hook 'run-coding-hook)
(add-hook 'lisp-mode-hook 'idle-highlight)
(add-hook 'lisp-mode-hook 'turn-on-paredit)
(font-lock-add-keywords 'lisp-mode
'(("(\\|)" . 'esk-paren-face)))
(provide 'starter-kit-lisp)
;; starter-kit-lisp.el ends here
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