106 lines
4.1 KiB
EmacsLisp
106 lines
4.1 KiB
EmacsLisp
;;; haskell-cabal.el --- Support for Cabal packages
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;; Copyright (C) 2007 Stefan Monnier
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;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
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;; This file is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; This file is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to
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;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;;
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;;; Code:
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;; (defun haskell-cabal-extract-fields-from-doc ()
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;; (require 'xml)
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;; (require 'cl)
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;; (let ((section (completing-read
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;; "Section: "
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;; '("general-fields" "library" "executable" "buildinfo"))))
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;; (goto-char (point-min))
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;; (search-forward (concat "<sect3 id=\"" section "\">")))
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;; (let* ((xml (xml-parse-region
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;; (progn (search-forward "<variablelist>") (match-beginning 0))
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;; (progn (search-forward "</variablelist>") (point))))
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;; (varlist (remove-if-not 'consp (cddar xml)))
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;; (syms (mapcar (lambda (entry) (caddr (assq 'literal (assq 'term entry))))
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;; varlist))
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;; (fields (mapcar (lambda (sym) (substring-no-properties sym 0 -1)) syms)))
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;; fields))
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(defconst haskell-cabal-general-fields
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;; Extracted with (haskell-cabal-extract-fields-from-doc "general-fields")
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'("name" "version" "cabal-version" "license" "license-file" "copyright"
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"author" "maintainer" "stability" "homepage" "package-url" "synopsis"
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"description" "category" "tested-with" "build-depends" "data-files"
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"extra-source-files" "extra-tmp-files"))
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(defconst haskell-cabal-library-fields
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;; Extracted with (haskell-cabal-extract-fields-from-doc "library")
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'("exposed-modules"))
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(defconst haskell-cabal-executable-fields
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;; Extracted with (haskell-cabal-extract-fields-from-doc "executable")
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'("executable" "main-is"))
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(defconst haskell-cabal-buildinfo-fields
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;; Extracted with (haskell-cabal-extract-fields-from-doc "buildinfo")
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'("buildable" "other-modules" "hs-source-dirs" "extensions" "ghc-options"
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"ghc-prof-options" "hugs-options" "nhc-options" "includes"
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"install-includes" "include-dirs" "c-sources" "extra-libraries"
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"extra-lib-dirs" "cc-options" "ld-options" "frameworks"))
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(defvar haskell-cabal-mode-syntax-table
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(let ((st (make-syntax-table)))
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st))
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(defvar haskell-cabal-font-lock-keywords
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;; The comment syntax can't be described simply in syntax-table. We could
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;; use font-lock-syntactic-keywords, but is it worth it?
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'(("^--.*" . font-lock-comment-face)
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("^\\([^ :]+\\):" (1 font-lock-keyword-face))))
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(defvar haskell-cabal-buffers nil
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"List of Cabal buffers.")
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(defun haskell-cabal-buffers-clean (&optional buffer)
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(let ((bufs ()))
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(dolist (buf haskell-cabal-buffers)
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(if (and (buffer-live-p buf) (not (eq buf buffer))
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(with-current-buffer buf (derived-mode-p 'haskell-cabal-mode)))
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(push buf bufs)))
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(setq haskell-cabal-buffers bufs)))
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(defun haskell-cabal-unregister-buffer ()
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(haskell-cabal-buffers-clean (current-buffer)))
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;;;###autoload
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(add-to-list 'auto-mode-alist '("\\.cabal\\'" . haskell-cabal-mode))
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;;;###autoload
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(define-derived-mode haskell-cabal-mode fundamental-mode "Haskell-Cabal"
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"Major mode for Cabal package description files."
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(set (make-local-variable 'font-lock-defaults)
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'(haskell-cabal-font-lock-keywords t t nil nil))
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(add-to-list 'haskell-cabal-buffers (current-buffer))
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(add-hook 'change-major-mode-hook 'haskell-cabal-unregister-buffer nil 'local)
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(add-hook 'kill-buffer-hook 'haskell-cabal-unregister-buffer nil 'local))
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(provide 'haskell-cabal)
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;; arch-tag: d455f920-5e4d-42b6-a2c7-4a7e84a05c29
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;;; haskell-cabal.el ends here
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