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From: Masatake YAMATO
Subject: ld-script.el
Date: Fri, 22 Aug 2003 19:23:10 +0900 (JST)

I wrote very cheap GNU ld linker script mode.
This provides only font lock keywords.
To cheap to add this to emacs?

Masatake YAMATO

;;; ld-script.el --- GNU linker script editing mode for Emacs

;;; Copyright (C) 2003 Masatake YAMATO

;; Author: Masatake YAMATO<address@hidden>
;; Keywords: languages, faces

;; This program 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 2, or (at your option)
;; any later version.

;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

;;; Codes:

;; Custom
(defgroup ld-script nil
  "GNU linker script code editing commands for Emacs."
  :prefix "ld-script-"
  :group 'languages)

(defvar ld-script-location-counter-face 'ld-script-location-counter-face)
(defface ld-script-location-counter-face
  '((t (:weight bold :foreground "Blue")))
  "Face for location counter in GNU ld script."
  :group 'ld-script)

;; Syntax rules
(defvar ld-script-mode-syntax-table 
  (let ((st (make-syntax-table)))
    (modify-syntax-entry ?\  "-"   st)
    (modify-syntax-entry ?{ "(}" st)
    (modify-syntax-entry ?} "){" st)
    (modify-syntax-entry ?\( "()" st)
    (modify-syntax-entry ?\) ")(" st)
    (modify-syntax-entry ?\[ "(]" st)
    (modify-syntax-entry ?\] ")[" st)
    (modify-syntax-entry ?_ "w"   st)
    (modify-syntax-entry ?. "_"   st)
    (modify-syntax-entry ?\\  "\\" st)
    (modify-syntax-entry ?: "." st)
    (modify-syntax-entry ?, "." st)
    (modify-syntax-entry ?? "." st)
    (modify-syntax-entry ?= "." st)
    (modify-syntax-entry ?* ". 23" st)
    (modify-syntax-entry ?/ ". 14" st)
    (modify-syntax-entry ?+ "." st)
    (modify-syntax-entry ?- "." st)
    (modify-syntax-entry ?! "." st)
    (modify-syntax-entry ?~ "." st)
    (modify-syntax-entry ?% "." st)
    (modify-syntax-entry ?< "." st)
    (modify-syntax-entry ?> "." st)
    (modify-syntax-entry ?& "." st)
    (modify-syntax-entry ?| "." st)
    (modify-syntax-entry ?\" "\"" st)
  "Syntax table used while in `ld-script-mode'.")

;; Font lock keywords
(defvar ld-script-keywords 
  "Keywords used of GNU ld script.")

(defvar ld-script-builtins 
  "Builtin functions of GNU ld script.")

(defvar ld-script-font-lock-keywords
  `((,(regexp-opt ld-script-keywords 'words)
     1 font-lock-keyword-face)
    (,(regexp-opt ld-script-builtins 'words)
     1 font-lock-builtin-face)
    ("/DISCARD/" . font-lock-warning-face)
    ("##\\|#[^#\n]+$"  . font-lock-preprocessor-face)
    ("\\W\\(\\.\\)\\W" 1 ld-script-location-counter-face)
  "Default font-lock-keywords for `ld-script mode'.")

(add-to-list 'auto-mode-alist '("\\.lds" . ld-script-mode))

(define-derived-mode ld-script-mode nil "LD-Script"
   "A major mode to edit GNU ld script files"
  (set (make-local-variable 'comment-start) "/* ")
  (set (make-local-variable 'comment-end)   " */")
  (set (make-local-variable 'indent-line-function) #'indent-relative)
  (set (make-local-variable 'font-lock-defaults) '(ld-script-font-lock-keywords 

;;; ld-script.el ends here

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