;;; lisp-mode-settings.el --- Settings for lisp modes.
;; Slime - requires SBCL to be installed in /usr/local/bin/ (default for the install.sh
;;         script)

(use-package paredit
  :ensure t
  :hook ((emacs-lisp-mode . enable-paredit-mode)
	 (eval-expression-minibuffer-setup . enable-paredit-mode)
	 (ielm-mode . enable-paredit-mode)
	 (lisp-mode . enable-paredit-mode)
	 (lisp-interaction-mode . enable-paredit-mode)
	 (scheme-mode . enable-paredit-mode)))

(use-package rainbow-delimiters
  :ensure t
  :hook ((clojure-mode . rainbow-delimiters-mode)
	 (lisp-mode . rainbow-delimiters-mode)
	 (scheme-mode . rainbow-delimiters-mode)
	 (emacs-lisp-mode . rainbow-delimiters-mode)))

;; Force code to always be indented correctly.
(use-package aggressive-indent
  :ensure t
  :hook ((emacs-lisp-mode . aggressive-indent-mode)
	 (lisp-mode . aggressive-indent-mode)
	 (scheme-mode . aggressive-indent-mode)
	 (clojure-mode . aggressive-indent-mode)))

(use-package slime
  :ensure t
  :config
  (global-unset-key (kbd "<f1>"))
  (global-unset-key (kbd "<f2>"))
  (define-key lisp-mode-map (kbd "<f1>") 'slime-eval-buffer)
  (define-key lisp-mode-map (kbd "<f2>") 'slime-eval-defun))

(setq inferior-lisp-program "sbcl")
(setq slime-contribs '(slime-fancy))

;; Enable paredit for lisp
(autoload 'enable-paredit-mode "paredit" "Turn on pseudo-structural editing of Lisp code." t)

;; Autoload the indent function
(autoload 'common-lisp-indent-function "cl-indent" "Common Lisp indent.")

(defun override-slime-repl-bindings-with-paredit ()
  (define-key slime-repl-mode-map
              (read-kbd-macro paredit-backward-delete-key) nil))

(add-hook 'slime-repl-mode-hook 'override-slime-repl-bindings-with-paredit)

;;---------------------------------------------------------
;; SLIME Quicklisp Integration.
;;---------------------------------------------------------
(when (file-exists-p "~/quicklisp/slime-helper.el")
  (load (expand-file-name "~/quicklisp/slime-helper.el"))
  (setq inferior-lisp-program "sbcl"))