ghc-mod/elisp/ghc-func.el
2010-03-11 22:39:07 +09:00

65 lines
1.6 KiB
EmacsLisp

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; ghc-func.el
;;;
;; Author: Kazu Yamamoto <Kazu@Mew.org>
;; Created: Sep 25, 2009
;;; Code:
(defun ghc-replace-character (string from to)
"Replace characters equal to FROM to TO in STRING."
(let ((ret (copy-sequence string)))
(dotimes (cnt (length ret) ret)
(if (char-equal (aref ret cnt) from)
(aset ret cnt to)))))
(defun ghc-which (cmd)
(catch 'loop
(dolist (dir exec-path)
(let ((path (expand-file-name cmd dir)))
(if (file-exists-p path)
(throw 'loop path))))))
(defun ghc-uniq-lol (lol)
(let ((hash (make-hash-table :test 'equal))
ret)
(dolist (lst lol)
(dolist (key lst)
(puthash key key hash)))
(maphash (lambda (key val) (setq ret (cons key ret))) hash)
ret))
(defun ghc-read-lisp (func)
(with-temp-buffer
(funcall func)
(goto-char (point-min))
(condition-case nil
(read (current-buffer))
(error ()))))
(defun ghc-extract-module ()
(interactive)
(save-excursion
(beginning-of-line)
(if (looking-at "^\\(import\\|module\\) +\\(qualified +\\)?\\([^ (\n]+\\)")
(match-string-no-properties 3))))
(defun ghc-read-module-name (def)
(read-from-minibuffer "Module name: " def ghc-input-map))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defvar ghc-module-command "ghc-mod")
(defvar ghc-ghc-command (ghc-which "ghc"))
(defvar ghc-ghci-command (ghc-which "ghci"))
(defvar ghc-ghc-pkg-command (ghc-which "ghc-pkg"))
(defun ghc-module-command-args ()
(list "-g" ghc-ghc-command
"-i" ghc-ghci-command
"-p" ghc-ghc-pkg-command))
(provide 'ghc-func)