Haskell Emacs haskell-模式：运行 'C-h f haskell-mode' 用于说明如何设置 Haskell 交互模式

Question

我正在学习 https://learnhaskell.blogspot.com/2007/09/lesson-1-hello-world.html

中的教程

我按照所有说明操作，但在 emacs 上输入 C-c C-l 时，我得到 Run 'C-h f haskell-mode' for instruction how to setup a Haskell interaction mode

当我输入时，它会打开一个不是很有用的页面。

接下来我该做什么？除了删除 ghi, emacs 和 apt 的版本号外，我完全按照教程中的步骤进行操作。

我的.emacs文件如下，和博客里的一模一样

;; Font Locking, Programming Modes, and Compilation settings
;;

(global-font-lock-mode 1)
;; maximum colors
(setq font-lock-maximum-decoration t)

;; extra key bindings
(global-set-key "\M-C" 'compile)
(global-set-key "\C-^" 'next-error)
(global-set-key "\C-\M-g" 'goto-line)

;; use spaces instead of tabs
(setq-default indent-tabs-mode nil)

;; haskell mode configuration
(setq auto-mode-alist
      (append auto-mode-alist
              '(("\.[hg]s$"  . haskell-mode)
                ("\.hic?$"     . haskell-mode)
                ("\.hsc$"     . haskell-mode)
  ("\.chs$"    . haskell-mode)
                ("\.l[hg]s$" . literate-haskell-mode))))
(autoload 'haskell-mode "haskell-mode"
   "Major mode for editing Haskell scripts." t)
(autoload 'literate-haskell-mode "haskell-mode"
   "Major mode for editing literate Haskell scripts." t)

;adding the following lines according to which modules you want to use:
(require 'inf-haskell)

(add-hook 'haskell-mode-hook 'turn-on-font-lock)
;(add-hook 'haskell-mode-hook 'turn-off-haskell-decl-scan)
;(add-hook 'haskell-mode-hook 'turn-off-haskell-doc-mode)
(add-hook 'haskell-mode-hook 'turn-on-haskell-indent)
;(add-hook 'haskell-mode-hook 'turn-on-haskell-simple-indent)
;(add-hook 'haskell-mode-hook 'turn-on-haskell-hugs)
(add-hook 'haskell-mode-hook 'turn-on-haskell-ghci)
(add-hook 'haskell-mode-hook 
   (function
    (lambda ()
      (setq haskell-program-name "ghci")
      (setq haskell-ghci-program-name "ghci6"))))

Answer 1

必须启用 minor-mode interactive-haskell-mode 才能在 Haskell 代码缓冲区和 Haskell 解释器之间打开交互式会话。您可以使用命令 M-x interactive-haskell-mode.

为当前缓冲区启用此模式

要为您打开的每个 Haskell 文件启用此模式，您可以设置一个 haskell-mode 挂钩，它将运行此命令（即启用 interactive-haskell-mode）每次启用 haskell-mode。应将以下行添加到您的 .emacs 文件中：

(add-hook 'haskell-mode-hook 'interactive-haskell-mode)

Haskell Emacs haskell-模式：运行 'C-h f haskell-mode' 用于说明如何设置 Haskell 交互模式

Haskell Emacs haskell-mode: Run 'C-h f haskell-mode' for instruction how to setup a Haskell interaction mode

haskell

emacs

haskell-mode