164 lines
5.7 KiB
EmacsLisp
164 lines
5.7 KiB
EmacsLisp
;;; ghc.el --- ghc-mod front-end for haskell-mode
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;; Author: Kazu Yamamoto <Kazu@Mew.org>
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;; Created: Sep 25, 2009
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;; Revised:
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;; Put the following code to your "~/.emacs".
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;;
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;; (autoload 'ghc-init "ghc" nil t)
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;; (autoload 'ghc-debug "ghc" nil t)
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;; (add-hook 'haskell-mode-hook (lambda () (ghc-init)))
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;;
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;; Or if you wish to display error each goto next/prev error,
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;; set ghc-display-error valiable.
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;;
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;; (setq ghc-display-error 'minibuffer) ; to minibuffer
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;; ; (setq ghc-display-error 'other-buffer) ; to other-buffer
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;;
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;;; Code:
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;; defvar-local was introduced in 24.3
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(let* ((major 24)
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(minor 3))
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(if (or (< emacs-major-version major)
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(and (= emacs-major-version major)
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(< emacs-minor-version minor)))
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(error "ghc-mod requires at least Emacs %d.%d" major minor)))
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(defconst ghc-version "5.5.0.0")
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(defgroup ghc-mod '() "ghc-mod customization")
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;; (eval-when-compile
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;; (require 'haskell-mode))
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(require 'ghc-comp)
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(require 'ghc-doc)
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(require 'ghc-info)
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(require 'ghc-check)
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(require 'ghc-command)
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(require 'ghc-ins-mod)
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(require 'ghc-indent)
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(require 'ghc-rewrite)
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(require 'dabbrev)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Customize Variables
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;;;
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(defun ghc-find-C-h ()
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(or
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(when keyboard-translate-table
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(aref keyboard-translate-table ?\C-h))
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?\C-h))
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(defvar ghc-completion-key "\e\t")
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(defvar ghc-document-key "\e\C-d")
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(defvar ghc-import-key "\e\C-m")
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(defvar ghc-previous-key "\ep")
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(defvar ghc-next-key "\en")
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(defvar ghc-help-key "\e?")
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(defvar ghc-insert-key "\et")
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(defvar ghc-sort-key "\es")
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(defvar ghc-type-key "\C-c\C-t")
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(defvar ghc-info-key "\C-c\C-i")
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(defvar ghc-toggle-key "\C-c\C-c")
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(defvar ghc-jump-key "\C-c\C-j")
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(defvar ghc-module-key "\C-c\C-m")
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(defvar ghc-expand-key "\C-c\C-e")
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(defvar ghc-kill-key "\C-c\C-k")
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(defvar ghc-hoogle-key (format "\C-c%c" (ghc-find-C-h)))
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(defvar ghc-shallower-key "\C-c<")
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(defvar ghc-deeper-key "\C-c>")
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;(defvar ghc-case-split-key "\C-c\C-s")
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(defvar ghc-refine-key "\C-c\C-f")
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(defvar ghc-auto-key "\C-c\C-a")
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(defvar ghc-prev-hole-key "\C-c\ep")
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(defvar ghc-next-hole-key "\C-c\en")
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Initializer
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;;;
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(defvar ghc-initialized nil)
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;;;###autoload
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(defun ghc-init ()
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(ghc-abbrev-init)
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(ghc-type-init)
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(unless ghc-initialized
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(define-key haskell-mode-map ghc-completion-key 'ghc-complete)
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(define-key haskell-mode-map ghc-document-key 'ghc-browse-document)
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(define-key haskell-mode-map ghc-type-key 'ghc-show-type)
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(define-key haskell-mode-map ghc-info-key 'ghc-show-info)
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(define-key haskell-mode-map ghc-expand-key 'ghc-expand-th)
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(define-key haskell-mode-map ghc-import-key 'ghc-import-module)
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(define-key haskell-mode-map ghc-previous-key 'ghc-goto-prev-error)
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(define-key haskell-mode-map ghc-next-key 'ghc-goto-next-error)
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(define-key haskell-mode-map ghc-help-key 'ghc-display-errors)
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(define-key haskell-mode-map ghc-insert-key 'ghc-insert-template-or-signature)
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(define-key haskell-mode-map ghc-sort-key 'ghc-sort-lines)
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(define-key haskell-mode-map ghc-toggle-key 'ghc-toggle-check-command)
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(define-key haskell-mode-map ghc-jump-key 'ghc-jump-file)
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(define-key haskell-mode-map ghc-module-key 'ghc-insert-module)
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(define-key haskell-mode-map ghc-kill-key 'ghc-kill-process)
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(define-key haskell-mode-map ghc-hoogle-key 'haskell-hoogle)
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(define-key haskell-mode-map ghc-shallower-key 'ghc-make-indent-shallower)
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(define-key haskell-mode-map ghc-deeper-key 'ghc-make-indent-deeper)
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;(define-key haskell-mode-map ghc-case-split-key 'ghc-case-split)
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(define-key haskell-mode-map ghc-refine-key 'ghc-refine)
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(define-key haskell-mode-map ghc-auto-key 'ghc-auto)
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(define-key haskell-mode-map ghc-prev-hole-key 'ghc-goto-prev-hole)
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(define-key haskell-mode-map ghc-next-hole-key 'ghc-goto-next-hole)
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(ghc-comp-init)
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(setq ghc-initialized t)
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(add-hook 'kill-buffer-hook 'ghc-kill-process)
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(defadvice save-buffer (after ghc-check-syntax-on-save activate)
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"Check syntax with GHC when a haskell-mode buffer is saved."
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(when (eq 'haskell-mode major-mode) (ghc-check-syntax))))
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(ghc-import-module)
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(ghc-check-syntax))
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(defun ghc-abbrev-init ()
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(set (make-local-variable 'dabbrev-case-fold-search) nil))
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;;;###autoload
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(defun ghc-debug ()
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(interactive)
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(let ((el-path (locate-file "ghc.el" load-path))
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(ghc-path (executable-find "ghc")) ;; FIXME
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(ghc-mod-path (executable-find ghc-module-command))
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(el-ver ghc-version)
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(ghc-ver (ghc-run-ghc-mod '("--version") "ghc"))
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(ghc-mod-ver (ghc-run-ghc-mod '("version")))
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(path (getenv "PATH"))
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(debug (ghc-run-ghc-mod '("debug")))) ;; before switching buffers.
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(switch-to-buffer (get-buffer-create "**GHC Debug**"))
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(erase-buffer)
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(insert "Path: check if you are using intended programs.\n")
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(insert (format "\t ghc.el path: %s\n" el-path))
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(insert (format "\t ghc-mod path: %s\n" ghc-mod-path))
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(insert (format "\t ghc path: %s\n" ghc-path))
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(insert "\nVersion: all GHC versions must be the same.\n")
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(insert (format "\t ghc.el version %s\n" el-ver))
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(insert (format "\t %s\n" ghc-mod-ver))
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(insert (format "\t%s\n" ghc-ver))
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(insert "\nEnvironment variables:\n")
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(insert (format "\tPATH=%s\n" path))
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(insert "\nThe result of \"ghc-mod debug\":\n")
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(insert debug)
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(goto-char (point-min))))
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(defun ghc-insert-template-or-signature (&optional flag)
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(interactive "P")
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(if flag
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(ghc-initial-code-from-signature)
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(ghc-insert-template)))
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(provide 'ghc)
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