initial import (v0.1)
This commit is contained in:
Kazu Yamamoto
16
elisp/Makefile
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16
elisp/Makefile
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SRCS = ghc.el ghc-func.el ghc-doc.el ghc-comp.el
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TEMPFILE = temp.el
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all: $(TEMPFILE) ghc.el
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emacs -batch -q -no-site-file -l ./$(TEMPFILE) -f ghc-compile
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$(TEMPFILE):
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@echo '(setq load-path (cons "." load-path))' >> $(TEMPFILE)
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@echo '(defun ghc-compile () (mapcar (lambda (x) (byte-compile-file x)) (list ' >> $(TEMPFILE)
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@echo $(SRCS)| sed -e 's/\(ghc[^ ]*\.el\)/"\1"/g' >> $(TEMPFILE)
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@echo ')))' >> $(TEMPFILE)
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clean:
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rm -f *.elc $(TEMPFILE)
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183
elisp/ghc-comp.el
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183
elisp/ghc-comp.el
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; ghc-comp.el
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;;;
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;; Author: Kazu Yamamoto <Kazu@Mew.org>
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;; Created: Sep 25, 2009
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;;; Code:
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(require 'ghc-func)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Customize Variables
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;;;
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(defvar ghc-module-command "ghc-mod")
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(defvar ghc-idle-timer-interval 30)
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;; must be sorted
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(defvar ghc-reserved-keyword-for-bol '("class" "data" "default" "import" "infix" "infixl" "infixr" "instance" "main" "module" "newtype" "type"))
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;; must be sorted
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(defvar ghc-reserved-keyword '("case" "deriving" "do" "else" "if" "in" "let" "module" "of" "then" "where"))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Initializer
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;;;
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(defvar ghc-module-names nil) ;; completion for "import"
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(defvar ghc-merged-keyword nil) ;; completion for type/func/...
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(defvar ghc-keyword-prefix "ghc-keyword-")
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(defvar ghc-keyword-Prelude nil)
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(defvar ghc-loaded-module nil)
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(defun ghc-comp-init ()
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(setq ghc-module-names (ghc-load-keyword "list"))
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(setq ghc-keyword-Prelude (ghc-load-keyword "browse" "Prelude"))
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(setq ghc-loaded-module '("Prelude"))
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(ghc-merge-keywords)
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(run-with-idle-timer ghc-idle-timer-interval 'repeat 'ghc-idle-timer))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Executing command
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;;;
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(defun ghc-load-keyword (&rest args)
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(when (ghc-which ghc-module-command)
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(ghc-read-lisp
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(lambda ()
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(let ((msg (mapconcat 'identity (cons ghc-module-command args) " ")))
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(message "Executing \"%s\"..." msg)
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(apply 'call-process-shell-command
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ghc-module-command nil t nil (cons "-l" args))
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(message "Executing \"%s\"...done" msg))))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Completion
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;;;
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(defvar ghc-completion-buffer-name "*Completions*")
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(defun ghc-complete ()
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(interactive)
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(if (ghc-should-scroll)
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(ghc-scroll-completion-buffer)
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(ghc-try-complete)))
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(defun ghc-should-scroll ()
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(let ((window (ghc-completion-window)))
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(and (eq last-command this-command)
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window (window-live-p window) (window-buffer window)
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(buffer-name (window-buffer window)))))
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(defun ghc-scroll-completion-buffer ()
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(let ((window (ghc-completion-window)))
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(with-current-buffer (window-buffer window)
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(if (pos-visible-in-window-p (point-max) window)
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(set-window-start window (point-min))
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(save-selected-window
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(select-window window)
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(scroll-up))))))
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(defun ghc-completion-window ()
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(get-buffer-window ghc-completion-buffer-name 0))
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(defun ghc-try-complete ()
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(let* ((end (point))
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(symbols (ghc-select-completion-symbol))
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(beg (ghc-completion-start-point))
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(pattern (buffer-substring-no-properties beg end))
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(completion (try-completion pattern symbols)))
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(cond
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((eq completion t) ;; completed
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) ;; do nothing
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((null completion) ;; no completions
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(ding))
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((not (string= pattern completion)) ;; ???
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(delete-region beg end)
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(insert completion)
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(delete-other-windows))
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(t ;; multiple completions
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(let* ((list0 (all-completions pattern symbols))
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(list (sort list0 'string<)))
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(if (> (length list) 1)
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(with-output-to-temp-buffer ghc-completion-buffer-name
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(display-completion-list list pattern))
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(delete-other-windows)))))))
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(defun ghc-select-completion-symbol ()
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(cond
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((or (minibufferp)
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(save-excursion
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(beginning-of-line)
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(looking-at "import ")))
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ghc-module-names)
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((or (bolp)
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(let ((end (point)))
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(save-excursion
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(beginning-of-line)
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(not (search-forward " " end t)))))
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ghc-reserved-keyword-for-bol)
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(t ghc-merged-keyword)))
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(defun ghc-completion-start-point ()
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(save-excursion
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(let ((beg (save-excursion (beginning-of-line) (point))))
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(if (search-backward " " beg t)
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(1+ (point))
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beg))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Background Idle Timer
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;;;
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(defun ghc-idle-timer ()
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(let ((mods (ghc-gather-import-modules))
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keywords)
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(dolist (mod mods)
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(when (and (member mod ghc-module-names)
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(not (member mod ghc-loaded-module)))
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(setq keywords (ghc-load-keyword "browse" mod))
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(when (or (consp keywords) (null keywords))
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(set (intern (concat ghc-keyword-prefix mod)) keywords)
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(setq ghc-loaded-module (cons mod ghc-loaded-module)))))
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(ghc-merge-keywords)))
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(defun ghc-gather-import-modules ()
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(let ((bufs (mapcar 'buffer-name (buffer-list)))
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ret)
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(save-excursion
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(dolist (buf bufs)
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(when (string-match "\\.hs$" buf)
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(set-buffer buf)
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(setq ret (cons (ghc-gather-import-modules-buffer) ret)))))
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(ghc-uniq-lol ret)))
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(defun ghc-gather-import-modules-buffer ()
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(let (ret)
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(save-excursion
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(goto-char (point-min))
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(while (re-search-forward "^import *\\([^\n ]+\\)" nil t)
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(setq ret (cons (match-string-no-properties 1) ret))
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(forward-line)))
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ret))
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(defun ghc-merge-keywords ()
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(let* ((modkeys (mapcar 'ghc-module-keyword ghc-loaded-module))
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(keywords (cons ghc-reserved-keyword modkeys))
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(uniq-sorted (sort (ghc-uniq-lol keywords) 'string<)))
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(setq ghc-merged-keyword uniq-sorted)))
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(defun ghc-module-keyword (mod)
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(symbol-value (intern (concat ghc-keyword-prefix mod))))
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(provide 'ghc-comp)
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64
elisp/ghc-doc.el
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64
elisp/ghc-doc.el
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@@ -0,0 +1,64 @@
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; ghc.el
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;;;
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;; Author: Kazu Yamamoto <Kazu@Mew.org>
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;; Created: Sep 25, 2009
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(require 'ghc-func)
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(require 'ghc-comp)
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;;; Code:
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(defun ghc-browse-document ()
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(interactive)
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(let* ((mod0 (ghc-extract-module))
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(mod (ghc-read-module-name mod0))
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(pkg (ghc-resolve-package-name mod)))
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(ghc-display-document pkg mod)))
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(defun ghc-extract-module ()
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(interactive)
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(save-excursion
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(beginning-of-line)
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(when (looking-at "^import +\\([^ \n]+\\)")
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(match-string-no-properties 1))))
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(defun ghc-resolve-package-name (mod)
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(with-temp-buffer
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(call-process "ghc-pkg" nil t nil "find-module" "--simple-output" mod)
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(goto-char (point-min))
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(when (looking-at "^\\([^-]+\\)-")
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(match-string-no-properties 1))))
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(defun ghc-resolve-document-path (pkg)
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(with-temp-buffer
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(call-process "ghc-pkg" nil t nil "field" pkg "haddock-html")
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(goto-char (point-min))
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(when (looking-at "^haddock-html: \\([^ \n]+\\)$")
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(match-string-no-properties 1))))
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(defun ghc-display-document (pkg mod)
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(when (and pkg mod)
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(let* ((mod- (ghc-replace-character mod ?. ?-))
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(path (ghc-resolve-document-path pkg))
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(url (format "file://%s/%s.html" path mod-)))
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(browse-url url))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defvar ghc-input-map nil)
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(unless ghc-input-map
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(setq ghc-input-map
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(if (boundp 'minibuffer-local-map)
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(copy-keymap minibuffer-local-map)
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(make-sparse-keymap)))
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(define-key ghc-input-map "\t" 'ghc-complete))
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(defun ghc-read-module-name (def)
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(read-from-minibuffer "Module name: " def ghc-input-map))
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(provide 'ghc-doc)
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41
elisp/ghc-func.el
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41
elisp/ghc-func.el
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@@ -0,0 +1,41 @@
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; ghc-func.el
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;;;
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;; Author: Kazu Yamamoto <Kazu@Mew.org>
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;; Created: Sep 25, 2009
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;;; Code:
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(defun ghc-replace-character (string from to)
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"Replace characters equal to FROM to TO in STRING."
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(dotimes (cnt (length string) string)
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(if (char-equal (aref string cnt) from)
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(aset string cnt to))))
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(defun ghc-which (cmd)
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(catch 'loop
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(dolist (dir exec-path)
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(let ((path (expand-file-name cmd dir)))
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(if (file-exists-p path)
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(throw 'loop path))))))
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(defun ghc-uniq-lol (lol)
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(let ((hash (make-hash-table :test 'equal))
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ret)
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(dolist (lst lol)
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(dolist (key lst)
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(puthash key key hash)))
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(maphash (lambda (key val) (setq ret (cons key ret))) hash)
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ret))
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(defun ghc-read-lisp (func)
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(with-temp-buffer
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(funcall func)
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(goto-char (point-min))
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(condition-case nil
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(read (current-buffer))
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(error ()))))
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(provide 'ghc-func)
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46
elisp/ghc.el
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46
elisp/ghc.el
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; ghc.el
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;;;
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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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;; (add-hook 'haskell-mode-hook (lambda () (ghc-init)))
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;;; Code:
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(defvar ghc-version "0.1")
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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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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Customize Variables
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;;;
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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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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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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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(defun ghc-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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(ghc-comp-init)
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(setq ghc-initialized t)))
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