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;;; ghc-core.el --- Syntax highlighting module for GHC Core | ||
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;; Copyright (C) 2010 Johan Tibell | ||
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;; Author: Johan Tibell <johan.tibell@gmail.com> | ||
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;; This file is free software; you can redistribute it and/or modify | ||
;; it under the terms of the GNU General Public License as published by | ||
;; the Free Software Foundation; either version 3, or (at your option) | ||
;; any later version. | ||
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;; This file is distributed in the hope that it will be useful, | ||
;; but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
;; GNU General Public License for more details. | ||
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;; You should have received a copy of the GNU General Public License | ||
;; along with GNU Emacs; see the file COPYING. If not, write to | ||
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | ||
;; Boston, MA 02110-1301, USA. | ||
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;;; Commentary: | ||
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;; Purpose: | ||
;; | ||
;; To make it easier to read GHC Core output by providing highlighting | ||
;; and removal of commonly ignored annotations. | ||
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;;; Code: | ||
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(require 'haskell-mode) | ||
(require 'haskell-font-lock) | ||
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(defun ghc-core-clean-region (start end) | ||
"Remove commonly ignored annotations and namespace | ||
prefixes in the given region." | ||
(interactive "r") | ||
(save-restriction | ||
(narrow-to-region start end) | ||
(goto-char (point-min)) | ||
(while (search-forward-regexp "GHC\.[^\.]*\." nil t) | ||
(replace-match "" nil t)) | ||
(goto-char (point-min)) | ||
(while (flush-lines "^ *GblId *$" nil)) | ||
(goto-char (point-min)) | ||
(while (flush-lines "^ *LclId *$" nil)) | ||
(goto-char (point-min)) | ||
(while (flush-lines (concat "^ *\\[\\(?:Arity [0-9]+\\|NoCafRefs\\|" | ||
"Str: DmdType\\|Worker \\)" | ||
"\\([^]]*\\n?\\).*\\] *$") nil)) | ||
(goto-char (point-min)) | ||
(while (search-forward "Main." nil t) (replace-match "" nil t)))) | ||
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(defun ghc-core-clean-buffer () | ||
"Remove commonly ignored annotations and namespace | ||
prefixes in the current buffer." | ||
(interactive) | ||
(ghc-core-clean-region (point-min) (point-max))) | ||
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;;;###autoload | ||
(defun ghc-core-create-core () | ||
"Compiled and load the current buffer as tidy core" | ||
(interactive) | ||
(save-buffer) | ||
(let ((core-buffer (generate-new-buffer "ghc-core")) | ||
(neh (lambda () (kill-buffer core-buffer)))) | ||
(add-hook 'next-error-hook neh) | ||
(call-process "ghc" nil core-buffer nil "-c" "-ddump-simpl" "-O2" (buffer-file-name)) | ||
(display-buffer core-buffer) | ||
(with-current-buffer core-buffer | ||
(ghc-core-mode)) | ||
(remove-hook 'next-error-hook neh))) | ||
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;;;###autoload | ||
(add-to-list 'auto-mode-alist '("\\.hcr\\'" . ghc-core-mode)) | ||
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;;;###autoload | ||
(define-derived-mode ghc-core-mode haskell-mode "GHC-Core" | ||
"Major mode for GHC Core files.") | ||
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(provide 'ghc-core) | ||
;;; ghc-core.el ends here |