;;; ghc.el --- ghc-mod front-end for haskell-mode ;; Author: Kazu Yamamoto ;; Created: Sep 25, 2009 ;; Revised: ;; Put the following code to your "~/.emacs". ;; ;; (autoload 'ghc-init "ghc" nil t) ;; (autoload 'ghc-debug "ghc" nil t) ;; (add-hook 'haskell-mode-hook (lambda () (ghc-init))) ;; ;; Or if you wish to display error each goto next/prev error, ;; set ghc-display-error valiable. ;; ;; (setq ghc-display-error 'minibuffer) ; to minibuffer ;; ; (setq ghc-display-error 'other-buffer) ; to other-buffer ;; ;;; Code: ;; defvar-local was introduced in 24.3 (let* ((major 24) (minor 3)) (if (or (< emacs-major-version major) (and (= emacs-major-version major) (< emacs-minor-version minor))) (error "ghc-mod requires at least Emacs %d.%d" major minor))) (defconst ghc-version "5.3.0.0") (defgroup ghc-mod '() "ghc-mod customization") ;; (eval-when-compile ;; (require 'haskell-mode)) (require 'ghc-comp) (require 'ghc-doc) (require 'ghc-info) (require 'ghc-check) (require 'ghc-command) (require 'ghc-ins-mod) (require 'ghc-indent) (require 'ghc-rewrite) (require 'dabbrev) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;; ;;; Customize Variables ;;; (defun ghc-find-C-h () (or (when keyboard-translate-table (aref keyboard-translate-table ?\C-h)) ?\C-h)) (defvar ghc-completion-key "\e\t") (defvar ghc-document-key "\e\C-d") (defvar ghc-import-key "\e\C-m") (defvar ghc-previous-key "\ep") (defvar ghc-next-key "\en") (defvar ghc-help-key "\e?") (defvar ghc-insert-key "\et") (defvar ghc-sort-key "\es") (defvar ghc-type-key "\C-c\C-t") (defvar ghc-info-key "\C-c\C-i") (defvar ghc-toggle-key "\C-c\C-c") (defvar ghc-jump-key "\C-c\C-j") (defvar ghc-module-key "\C-c\C-m") (defvar ghc-expand-key "\C-c\C-e") (defvar ghc-kill-key "\C-c\C-k") (defvar ghc-hoogle-key (format "\C-c%c" (ghc-find-C-h))) (defvar ghc-shallower-key "\C-c<") (defvar ghc-deeper-key "\C-c>") ;(defvar ghc-case-split-key "\C-c\C-s") (defvar ghc-refine-key "\C-c\C-f") (defvar ghc-auto-key "\C-c\C-a") (defvar ghc-prev-hole-key "\C-c\ep") (defvar ghc-next-hole-key "\C-c\en") ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;; ;;; Initializer ;;; (defvar ghc-initialized nil) ;;;###autoload (defun ghc-init () (ghc-abbrev-init) (ghc-type-init) (unless ghc-initialized (define-key haskell-mode-map ghc-completion-key 'ghc-complete) (define-key haskell-mode-map ghc-document-key 'ghc-browse-document) (define-key haskell-mode-map ghc-type-key 'ghc-show-type) (define-key haskell-mode-map ghc-info-key 'ghc-show-info) (define-key haskell-mode-map ghc-expand-key 'ghc-expand-th) (define-key haskell-mode-map ghc-import-key 'ghc-import-module) (define-key haskell-mode-map ghc-previous-key 'ghc-goto-prev-error) (define-key haskell-mode-map ghc-next-key 'ghc-goto-next-error) (define-key haskell-mode-map ghc-help-key 'ghc-display-errors) (define-key haskell-mode-map ghc-insert-key 'ghc-insert-template-or-signature) (define-key haskell-mode-map ghc-sort-key 'ghc-sort-lines) (define-key haskell-mode-map ghc-toggle-key 'ghc-toggle-check-command) (define-key haskell-mode-map ghc-jump-key 'ghc-jump-file) (define-key haskell-mode-map ghc-module-key 'ghc-insert-module) (define-key haskell-mode-map ghc-kill-key 'ghc-kill-process) (define-key haskell-mode-map ghc-hoogle-key 'haskell-hoogle) (define-key haskell-mode-map ghc-shallower-key 'ghc-make-indent-shallower) (define-key haskell-mode-map ghc-deeper-key 'ghc-make-indent-deeper) ;(define-key haskell-mode-map ghc-case-split-key 'ghc-case-split) (define-key haskell-mode-map ghc-refine-key 'ghc-refine) (define-key haskell-mode-map ghc-auto-key 'ghc-auto) (define-key haskell-mode-map ghc-prev-hole-key 'ghc-goto-prev-hole) (define-key haskell-mode-map ghc-next-hole-key 'ghc-goto-next-hole) (ghc-comp-init) (setq ghc-initialized t) (defadvice save-buffer (after ghc-check-syntax-on-save activate) "Check syntax with GHC when a haskell-mode buffer is saved." (when (eq 'haskell-mode major-mode) (ghc-check-syntax)))) (ghc-import-module) (ghc-check-syntax)) (defun ghc-abbrev-init () (set (make-local-variable 'dabbrev-case-fold-search) nil)) ;;;###autoload (defun ghc-debug () (interactive) (let ((el-path (locate-file "ghc.el" load-path)) (ghc-path (executable-find "ghc")) ;; FIXME (ghc-mod-path (executable-find ghc-module-command)) (el-ver ghc-version) (ghc-ver (ghc-run-ghc-mod '("--version") "ghc")) (ghc-mod-ver (ghc-run-ghc-mod '("version"))) (path (getenv "PATH")) (debug (ghc-run-ghc-mod '("debug")))) ;; before switching buffers. (switch-to-buffer (get-buffer-create "**GHC Debug**")) (erase-buffer) (insert "Path: check if you are using intended programs.\n") (insert (format "\t ghc.el path: %s\n" el-path)) (insert (format "\t ghc-mod path: %s\n" ghc-mod-path)) (insert (format "\t ghc path: %s\n" ghc-path)) (insert "\nVersion: all GHC versions must be the same.\n") (insert (format "\t ghc.el version %s\n" el-ver)) (insert (format "\t %s\n" ghc-mod-ver)) (insert (format "\t%s\n" ghc-ver)) (insert "\nEnvironment variables:\n") (insert (format "\tPATH=%s\n" path)) (insert "\nThe result of \"ghc-mod debug\":\n") (insert debug) (goto-char (point-min)))) (defun ghc-insert-template-or-signature (&optional flag) (interactive "P") (if flag (ghc-initial-code-from-signature) (ghc-insert-template))) (provide 'ghc)