Diff for /gforth/gforth.el between versions 1.2 and 1.47

version 1.2, 1994/06/17 12:35:01 version 1.47, 2001/03/11 22:50:49
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 ;; This file is part of GNU Emacs.  ;; Forth mode for Emacs
 ;; Changes by anton  
   ;; Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc.
   
   ;; This file is part of Gforth.
   
 ;; GNU Emacs is distributed in the hope that it will be useful,  ;; GForth is distributed in the hope that it will be useful,
 ;; but WITHOUT ANY WARRANTY.  No author or distributor  ;; but WITHOUT ANY WARRANTY.  No author or distributor
 ;; accepts responsibility to anyone for the consequences of using it  ;; accepts responsibility to anyone for the consequences of using it
 ;; or for whether it serves any particular purpose or works at all,  ;; or for whether it serves any particular purpose or works at all,
Line 11 Line 14
 ;; Everyone is granted permission to copy, modify and redistribute  ;; Everyone is granted permission to copy, modify and redistribute
 ;; GNU Emacs, but only under the conditions described in the  ;; GNU Emacs, but only under the conditions described in the
 ;; GNU Emacs General Public License.   A copy of this license is  ;; GNU Emacs General Public License.   A copy of this license is
 ;; supposed to have been given to you along with GNU Emacs so you  ;; supposed to have been given to you along with Gforth so you
 ;; can know your rights and responsibilities.  It should be in a  ;; can know your rights and responsibilities.  It should be in a
 ;; file named COPYING.  Among other things, the copyright notice  ;; file named COPYING.  Among other things, the copyright notice
 ;; and this notice must be preserved on all copies.  ;; and this notice must be preserved on all copies.
   
 ;;; $Header$  ;; Changes by anton
   ;; This is a variant of forth.el that came with TILE.
   ;; I left most of this stuff untouched and made just a few changes for 
   ;; the things I use (mainly indentation and syntax tables).
   ;; So there is still a lot of work to do to adapt this to gforth.
   
 ;;-------------------------------------------------------------------  ;;-------------------------------------------------------------------
 ;; A Forth indentation, documentation search and interaction library  ;; A Forth indentation, documentation search and interaction library
Line 33 Line 40
   
   
 (defvar forth-positives  (defvar forth-positives
   " : begin do ?do while if ?dup-if ?dup-not-if else case create does> exception> "    " : :noname m: :m code interpretation: ;code does> begin do ?do +do -do u+do u-do while if ?dup-if ?dup-0=-if else case of struct [if] [ifdef] [ifundef] [else] with public: private: class try recover "
   "Contains all words which will cause the indent-level to be incremented    "*Contains all words which will cause the indent-level to be incremented
 on the next line.  on the next line.
 OBS! All words in forth-positives must be surrounded by spaces.")  OBS! All words in forth-positives must be surrounded by spaces.")
   
 (defvar forth-negatives  (defvar forth-negatives
   " ; until repeat while +loop loop else then endif again endcase does> "    " ; ;m end-code ;code does> until repeat while +loop loop -loop s+loop else then endif again endcase endof end-struct [then] [else] [endif] endwith end-class class; how: recover endtry "
   "Contains all words which will cause the indent-level to be decremented    "*Contains all words which will cause the indent-level to be decremented
 on the current line.  on the current line.
 OBS! All words in forth-negatives must be surrounded by spaces.")  OBS! All words in forth-negatives must be surrounded by spaces.")
   
 (defvar forth-zeroes  (defvar forth-zeroes
   " : "    " : :noname code interpretation: public: private: how: implements class class; "
   "Contains all words which causes the indent to go to zero")    "*Contains all words which causes the indent to go to zero")
   
   (setq forth-zero 0)
   
   (defvar forth-zup
     " how: implements "
     "Contains all words which causes zero indent level to change")
   
   (defvar forth-zdown
     " class; how: class public: private: "
     "Contains all words which causes zero indent level to change")
   
   (defvar forth-prefixes
     " postpone [compile] ['] [char] "
     "words that prefix and escape other words")
   
 (defvar forth-mode-abbrev-table nil  (defvar forth-mode-abbrev-table nil
   "Abbrev table in use in Forth-mode buffers.")    "Abbrev table in use in Forth-mode buffers.")
Line 59  OBS! All words in forth-negatives must b Line 80  OBS! All words in forth-negatives must b
 (if (not forth-mode-map)  (if (not forth-mode-map)
     (setq forth-mode-map (make-sparse-keymap)))      (setq forth-mode-map (make-sparse-keymap)))
   
 (global-set-key "\e\C-m" 'forth-send-paragraph)  ;(define-key forth-mode-map "\M-\C-x" 'compile)
 (global-set-key "\C-x\C-m" 'forth-split)  (define-key forth-mode-map "\C-x\\" 'comment-region)
 (global-set-key "\e " 'forth-reload)  (define-key forth-mode-map "\C-x~" 'forth-remove-tracers)
   
 (define-key forth-mode-map "\e\C-m" 'forth-send-paragraph)  (define-key forth-mode-map "\e\C-m" 'forth-send-paragraph)
 (define-key forth-mode-map "\eo" 'forth-send-buffer)  (define-key forth-mode-map "\eo" 'forth-send-buffer)
 (define-key forth-mode-map "\C-x\C-m" 'forth-split)  (define-key forth-mode-map "\C-x\C-m" 'forth-split)
 (define-key forth-mode-map "\e " 'forth-reload)  (define-key forth-mode-map "\e " 'forth-reload)
 (define-key forth-mode-map "\t" 'forth-indent-command)  (define-key forth-mode-map "\t" 'forth-indent-command)
 (define-key forth-mode-map "\C-m" 'reindent-then-newline-and-indent)  (define-key forth-mode-map "\C-m" 'reindent-then-newline-and-indent)
   (define-key forth-mode-map "\M-q" 'forth-fill-paragraph)
   (define-key forth-mode-map "\e." 'forth-find-tag)
   
   ;setup for C-h C-i to work
   (if (fboundp 'info-lookup-add-help)
       (info-lookup-add-help
        :topic 'symbol
        :mode 'forth-mode
        :regexp "[^        
   ]+"
        :ignore-case t
        :doc-spec '(("(gforth)Name Index" nil "`" "'  "))))
   
   (load "etags")
   
   (defun forth-find-tag (tagname &optional next-p regexp-p)
     (interactive (find-tag-interactive "Find tag: "))
     (switch-to-buffer
      (find-tag-noselect (concat " " tagname " ") next-p regexp-p)))
   
 (defvar forth-mode-syntax-table nil  (defvar forth-mode-syntax-table nil
   "Syntax table in use in Forth-mode buffers.")    "Syntax table in use in Forth-mode buffers.")
   
 (if (not forth-mode-syntax-table)  (if t;; (not forth-mode-syntax-table)
     (progn      (progn
       (setq forth-mode-syntax-table (make-syntax-table))        (setq forth-mode-syntax-table (make-syntax-table))
       (modify-syntax-entry ?\\ "\\" forth-mode-syntax-table)        (let ((char 0))
       (modify-syntax-entry ?/ ". 14" forth-mode-syntax-table)          (while (< char ?!)
       (modify-syntax-entry ?* ". 23" forth-mode-syntax-table)            (modify-syntax-entry char " " forth-mode-syntax-table)
       (modify-syntax-entry ?+ "." forth-mode-syntax-table)            (setq char (1+ char)))
       (modify-syntax-entry ?- "." forth-mode-syntax-table)          (while (< char 256)
       (modify-syntax-entry ?= "." forth-mode-syntax-table)            (modify-syntax-entry char "w" forth-mode-syntax-table)
       (modify-syntax-entry ?% "." forth-mode-syntax-table)            (setq char (1+ char))))
       (modify-syntax-entry ?< "." forth-mode-syntax-table)        (modify-syntax-entry ?\" "\"" forth-mode-syntax-table)
       (modify-syntax-entry ?> "." forth-mode-syntax-table)        ))
       (modify-syntax-entry ?& "." forth-mode-syntax-table)  ;I do not define '(' and ')' as comment delimiters, because emacs
       (modify-syntax-entry ?| "." forth-mode-syntax-table)  ;only supports one comment syntax (and a hack to accomodate C++); I
       (modify-syntax-entry ?\' "\"" forth-mode-syntax-table)  ;use '\' for natural language comments and '(' for formal comments
       (modify-syntax-entry ?\t "    " forth-mode-syntax-table)  ;like stack comments, so for me it's better to have emacs treat '\'
       (modify-syntax-entry ?) ">   " forth-mode-syntax-table)  ;comments as comments. If you want it different, make the appropriate
       (modify-syntax-entry ?( "<   " forth-mode-syntax-table)  ;changes (best in your .emacs file).
       (modify-syntax-entry ?\( "()  " forth-mode-syntax-table)  ;
       (modify-syntax-entry ?\) ")(  " forth-mode-syntax-table)))  ;Hmm, the C++ hack could be used to support both comment syntaxes: we
   ;can have different comment styles, if both comments start with the
   ;same character. we could use ' ' as first and '(' and '\' as second
   ;character. However this would fail for G\ comments.
   
   ;comment handling has been moved to syntactic font lock (david)
   
 (defconst forth-indent-level 4  (defconst forth-indent-level 4
   "Indentation of Forth statements.")    "Indentation of Forth statements.")
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   (setq paragraph-separate paragraph-start)    (setq paragraph-separate paragraph-start)
   (make-local-variable 'indent-line-function)    (make-local-variable 'indent-line-function)
   (setq indent-line-function 'forth-indent-line)    (setq indent-line-function 'forth-indent-line)
   (make-local-variable 'require-final-newline)  ;  (make-local-variable 'require-final-newline)
   (setq require-final-newline t)  ;  (setq require-final-newline t)
   (make-local-variable 'comment-start)    (make-local-variable 'comment-start)
   (setq comment-start "( ")    (setq comment-start "\\ ")
   (make-local-variable 'comment-end)    ;(make-local-variable 'comment-end)
   (setq comment-end " )")    ;(setq comment-end " )")
   (make-local-variable 'comment-column)    (make-local-variable 'comment-column)
   (setq comment-column 40)    (setq comment-column 40)
   (make-local-variable 'comment-start-skip)    (make-local-variable 'comment-start-skip)
   (setq comment-start-skip "( ")    (setq comment-start-skip "\\ ")
   (make-local-variable 'comment-indent-hook)    (make-local-variable 'comment-indent-hook)
   (setq comment-indent-hook 'forth-comment-indent)    (setq comment-indent-hook 'forth-comment-indent)
   (make-local-variable 'parse-sexp-ignore-comments)    (make-local-variable 'parse-sexp-ignore-comments)
   (setq parse-sexp-ignore-comments t))    (setq parse-sexp-ignore-comments t)
     (make-local-variable 'font-lock-defaults)
     (setq font-lock-defaults '(forth-font-lock-keywords nil t nil nil
         (font-lock-syntactic-keywords . forth-font-lock-syntactic-keywords)))
   ;  (make-local-variable 'font-lock-syntactic-keywords)
   ;  (setq font-lock-syntactic-keywords 'forth-font-lock-syntactic-keywords)
   )
   
       
 ;;;###autoload  ;;;###autoload
 (defun forth-mode ()  (defun forth-mode ()
   "    "
 Major mode for editing Forth code. Tab indents for Forth code. Comments  Major mode for editing Forth code. Tab indents for Forth code. Comments
 are delimited with ( ). Paragraphs are separated by blank lines only.  are delimited with \\ and newline. Paragraphs are separated by blank lines
 Delete converts tabs to spaces as it moves back.  only.
 \\{forth-mode-map}  \\{forth-mode-map}
  Forth-split   Forth-split
     Positions the current buffer on top and a forth-interaction window      Positions the current buffer on top and a forth-interaction window
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 ;      (run-forth forth-program-name))  ;      (run-forth forth-program-name))
   (run-hooks 'forth-mode-hook))    (run-hooks 'forth-mode-hook))
   
   (add-hook 'forth-mode-hook
         '(lambda () 
            (make-local-variable 'compile-command)
            (setq compile-command "gforth ")))
   
   (defun forth-fill-paragraph () 
     "Fill comments (starting with '\'; do not fill code (block style
   programmers who tend to fill code won't use emacs anyway:-)."
     ; Currently only comments at the start of the line are filled.
     ; Something like lisp-fill-paragraph may be better.  We cannot use
     ; fill-paragraph, because it removes the \ from the first comment
     ; line. Therefore we have to look for the first line of the comment
     ; and use fill-region.
     (interactive)
     (save-excursion
       (beginning-of-line)
       (while (and
                (= (forward-line -1) 0)
                (looking-at "[ \t]*\\\\g?[ \t]+")))
       (if (not (looking-at "[ \t]*\\\\g?[ \t]+"))
           (forward-line 1))
       (let ((from (point))
             (to (save-excursion (forward-paragraph) (point))))
         (if (looking-at "[ \t]*\\\\g?[ \t]+")
             (progn (goto-char (match-end 0))
                    (set-fill-prefix)
                    (fill-region from to nil))))))
   
 (defun forth-comment-indent ()  (defun forth-comment-indent ()
   (save-excursion    (save-excursion
     (beginning-of-line)      (beginning-of-line)
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                          (regexp-quote (concat " " w1 " "))                           (regexp-quote (concat " " w1 " "))
                          forth-negatives)                           forth-negatives)
                         forth-indent-level 0)))                          forth-indent-level 0)))
       (if (string-match (regexp-quote (concat " " w1 " ")) forth-zdown)
           (setq forth-zero 0))
     (if (string-match (regexp-quote (concat " " w1 " ")) forth-zeroes)      (if (string-match (regexp-quote (concat " " w1 " ")) forth-zeroes)
         (setq indent 0))          (setq indent forth-zero))
       (if (string-match (regexp-quote (concat " " w1 " ")) forth-zup)
           (setq forth-zero 4))
     indent))      indent))
   
 (defun forth-sum-line-indentation ()  (defun forth-sum-line-indentation ()
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                              forth-positives))                               forth-positives))
       (setq t2 (string-match (regexp-quote (concat " " w " "))        (setq t2 (string-match (regexp-quote (concat " " w " "))
                              forth-negatives))                               forth-negatives))
       (if (and t1 t2)  
           (setq sum (+ sum forth-indent-level)))  
       (if t1        (if t1
           (setq sum (+ sum forth-indent-level)))            (setq sum (+ sum forth-indent-level)))
       (if (and t2 (not first))        (if (and t2 (not first))
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 (defun forth-next-word ()  (defun forth-next-word ()
   "Return the next forth-word. Skip anything enclosed in double quotes or ()."    "Return the next forth-word. Skip anything that the forth-word takes from
   the input stream (comments, arguments, etc.)"
   ;actually, it would be better to use commands based on the
   ;syntax-table or comment-start etc.
   (let ((w1 nil))    (let ((w1 nil))
     (while (not w1)      (while (not w1)
       (skip-chars-forward " \t\n")        (skip-chars-forward " \t\n")
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         (setq w1 (buffer-substring p (point))))          (setq w1 (buffer-substring p (point))))
       (cond ((string-match "\"" w1)        (cond ((string-match "\"" w1)
              (progn               (progn
                (skip-chars-forward "^\"")                 (skip-chars-forward "^\"\n")
                (setq w1 nil)))                 (forward-char)))
             ((string-match "\(" w1)              ((string-match "\\\\" w1)
              (progn               (progn
                (skip-chars-forward "^\)")                 (end-of-line)
                (setq w1 nil)))                 ))
               ((or (equal "(" w1) (equal ".(" w1))
                (progn
                  (skip-chars-forward "^)\n")
                  (forward-char)))
               ((string-match (regexp-quote (concat " " w1 " ")) forth-prefixes)
                (progn (skip-chars-forward " \t\n")
                       (skip-chars-forward "^ \t\n")))
             (t nil)))              (t nil)))
     w1))      w1))
               
   
 ;; Forth commands  ;; Forth commands
   
 (defvar forth-program-name "forth"  (defun forth-remove-tracers ()
     "Remove tracers of the form `~~ '. Queries the user for each occurrence."
     (interactive)
     (query-replace-regexp "\\(~~ \\| ~~$\\)" "" nil))
   
   (defvar forth-program-name "gforth"
   "*Program invoked by the `run-forth' command.")    "*Program invoked by the `run-forth' command.")
   
 (defvar forth-band-name nil  (defvar forth-band-name nil
Line 342  part of the screen." Line 438  part of the screen."
   (forth-split)    (forth-split)
   (forth-set-runlight forth-runlight:input))    (forth-set-runlight forth-runlight:input))
   
   (defun run-forth-if-not ()
     (if (not (forth-process-running-p))
         (run-forth forth-program-name)))
   
 (defun reset-forth ()  (defun reset-forth ()
   "Reset the Forth process."    "Reset the Forth process."
   (interactive)    (interactive)
Line 355  part of the screen." Line 455  part of the screen."
            (message "Resetting Forth process...done")))))             (message "Resetting Forth process...done")))))
   
 (defun forth-default-command-line ()  (defun forth-default-command-line ()
   (concat forth-program-name " -emacs"    (concat forth-program-name
           (if forth-program-arguments            (if forth-program-arguments
               (concat " " forth-program-arguments)                (concat " " forth-program-arguments)
               "")  
           (if forth-band-name  
               (concat " -band " forth-band-name)  
               "")))                "")))
   
 ;;;; Internal Variables  ;;;; Internal Variables
Line 384  When called, the current buffer will be Line 481  When called, the current buffer will be
 (defvar forth-signal-death-message nil  (defvar forth-signal-death-message nil
   "If non-nil, causes a message to be generated when the Forth process dies.")    "If non-nil, causes a message to be generated when the Forth process dies.")
   
 (defvar forth-percent-height 62  (defvar forth-percent-height 50
   "Tells run-forth how high the upper window should be in percent.")    "Tells run-forth how high the upper window should be in percent.")
   
 (defconst forth-runlight:input ?I  (defconst forth-runlight:input ?I
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 ;; Misc  ;; Misc
   
 (setq auto-mode-alist (append auto-mode-alist  (setq auto-mode-alist (append auto-mode-alist
                                 '(("\\.f83$" . forth-mode))))                                  '(("\\.fs$" . forth-mode))))
   
 (defun forth-split ()  (defun forth-split ()
   (interactive)    (interactive)
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   (interactive)    (interactive)
   (let ((process (get-process forth-program-name)))    (let ((process (get-process forth-program-name)))
     (if process (kill-process process t)))      (if process (kill-process process t)))
   (sleep-for-millisecs 100)    (sleep-for 0 100)
   (forth-mode))    (forth-mode))
   
   
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     (error "forth-help-load-path not specified")))      (error "forth-help-load-path not specified")))
   
   
 (define-key forth-mode-map "\C-hf" 'forth-documentation)  ;(define-key forth-mode-map "\C-hf" 'forth-documentation)
   
 (defun forth-documentation (function)  (defun forth-documentation (function)
   "Display the full documentation of FORTH word."    "Display the full documentation of FORTH word."
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     res))      res))
   
   
 (define-key forth-mode-map "\C-x\C-e" 'forth-compile)  (define-key forth-mode-map "\C-x\C-e" 'compile)
 (define-key forth-mode-map "\C-x\C-n" 'next-error)  (define-key forth-mode-map "\C-x\C-n" 'next-error)
 (require 'compile "compile")  (require 'compile "compile")
   
 (defvar forth-compile-command "forth ")  (defvar forth-compile-command "gforth ")
 (defvar forth-compilation-window-percent-height 30)  ;(defvar forth-compilation-window-percent-height 30)
   
 (defun forth-compile (command)  (defun forth-compile (command)
   (interactive (list (setq forth-compile-command (read-string "Compile command: " forth-compile-command))))    (interactive (list (setq forth-compile-command (read-string "Compile command: " forth-compile-command))))
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   (compile1 ctools-compile-command "No more errors"))    (compile1 ctools-compile-command "No more errors"))
   
   
   ;;; Forth menu
   ;;; Mikael Karlsson <qramika@eras70.ericsson.se>
   
   (cond ((string-match "XEmacs\\|Lucid" emacs-version)
          (require 'func-menu)
   
     (defconst fume-function-name-regexp-forth
      "^\\(:\\)[ \t]+\\([^ \t]*\\)"
      "Expression to get word definitions in Forth.")
   
     (setq fume-function-name-regexp-alist
         (append '((forth-mode . fume-function-name-regexp-forth) 
                ) fume-function-name-regexp-alist))
   
     ;; Find next forth word in the buffer
     (defun fume-find-next-forth-function-name (buffer)
       "Searches for the next forth word in BUFFER."
       (set-buffer buffer)
       (if (re-search-forward fume-function-name-regexp nil t)
         (let ((beg (match-beginning 2))
               (end (match-end 2)))
           (cons (buffer-substring beg end) beg))))
   
     (setq fume-find-function-name-method-alist
     (append '((forth-mode    . fume-find-next-forth-function-name))))
   
     ))
   ;;; End Forth menu
   
   ;;; File folding of forth-files
   ;;; uses outline
   ;;; Toggle activation with M-x fold-f (when editing a forth-file) 
   ;;; Use f9 to expand, f10 to hide, Or the menubar in xemacs
   ;;;
   ;;; Works most of the times but loses sync with the cursor occasionally 
   ;;; Could be improved by also folding on comments
   
   (require 'outline)
   
   (defun f-outline-level ()
           (cond   ((looking-at "\\`\\\\")
                           0)
                   ((looking-at "\\\\ SEC")
                           0)
                   ((looking-at "\\\\ \\\\ .*")
                           0)
                   ((looking-at "\\\\ DEFS")
                           1)
                   ((looking-at "\\/\\* ")
                           1)
                   ((looking-at ": .*")
                           1)
                   ((looking-at "\\\\G")
                           2)
                   ((looking-at "[ \t]+\\\\")
                           3))
   )                       
   
   (defun fold-f  ()
      (interactive)
      (add-hook 'outline-minor-mode-hook 'hide-body)
   
      ; outline mode header start, i.e. find word definitions
   ;;;   (setq  outline-regexp  "^\\(:\\)[ \t]+\\([^ \t]*\\)")
      (setq  outline-regexp  "\\`\\\\\\|:\\|\\\\ SEC\\|\\\\G\\|[ \t]+\\\\\\|\\\\ DEFS\\|\\/\\*\\|\\\\ \\\\ .*")
      (setq outline-level 'f-outline-level)
   
      (outline-minor-mode)
      (define-key outline-minor-mode-map '(shift up) 'hide-sublevels)
      (define-key outline-minor-mode-map '(shift right) 'show-children)
      (define-key outline-minor-mode-map '(shift left) 'hide-subtree)
      (define-key outline-minor-mode-map '(shift down) 'show-subtree)
   
   )
   
   ;;(define-key global-map '(shift up) 'fold-f)
   
   ;;; end file folding
   
   ;;; func-menu is a package that scans your source file for function definitions
   ;;; and makes a menubar entry that lets you jump to any particular function
   ;;; definition by selecting it from the menu.  The following code turns this on
   ;;; for all of the recognized languages.  Scanning the buffer takes some time,
   ;;; but not much.
   ;;;
   (cond ((string-match "XEmacs\\|Lucid" emacs-version)
          (require 'func-menu)
   ;;       (define-key global-map 'f8 'function-menu)
          (add-hook 'find-fible-hooks 'fume-add-menubar-entry)
   ;       (define-key global-map "\C-cg" 'fume-prompt-function-goto)
   ;       (define-key global-map '(shift button3) 'mouse-function-menu)
   ))
   
   ;;; Font lock code                              (david <dvdkhlng@gmx.de>)
   ;;;
   ;;; note that words which contain a closing paren, which have the comment-ender
   ;;; syntactic class, won't be matched by `\w+' and `\<' and `\>' won't work
   ;;; either; solution: use of `\S-' and `\s-' where necessary
   ;;;
   (defvar forth-bracket-keyword nil)
   (defvar forth-syntactic-keywords nil)
   (defvar forth-variable-defining-words nil)
   (defvar forth-function-defining-words nil)
   (defvar forth-function-parsing-words nil)
   (defvar forth-variable-parsing-words nil)
   (defvar forth-word-string-parsing-words nil)
   (defvar forth-type-defining-words nil)
   (defvar forth-font-lock-keywords nil)
   
   (setq forth-bracket-keywords 
         '("[if]" "[ifdef]" "[ifundef]" "[else]" "[then]" "[?do]" "[do]" "[for]" 
           "[loop]" "[+loop]" "[next]" "[begin]" "[until]" "[again]" "[while]" 
           "[repeat]"))
   (setq forth-syntactic-keywords
         '("if" "else" "then" "case" "endcase" "of" "endof" "begin" "while"
           "repeat" "until" "again" "does>" "?do" "do" "+loop" "unloop" "loop"
           "exit" "u+do" "-do" "u-do" "-loop" "u+do" "for" "next" "cs-roll"
           "cs-pick" "recurse" "?dup-if" "?dup-0=-if" "leave" "?leave" "done"
           ";" ":noname" "immediate" "restrict" "compile-only" "interpretation>"
           "<interpretation" "compilation>" "<compilation" ";code" "end-code"
           "ahead" "struct"))
   (setq forth-variable-defining-words
         '("variable" "constant" "value" "2variable" "2constant" "2value"
           "fvariable" "fconstant" "field" "w:" "d:" "c:" "f:"))
   (setq forth-function-defining-words
         '(":" "defer" "alias" "interpret/compile" "code"))
   (setq forth-function-parsing-words
         '("postpone" "'" "[']" "[IS]" "IS" "<IS>"))
   (setq forth-variable-parsing-words
         '("[TO]" "TO" "<TO>"))
   (setq forth-word-string-parsing-words
         '("[CHAR]" "CHAR" "include" "require" "needs"))
   (setq forth-type-defining-words
         '("end-struct"))
   
   (defun forth-make-words-regexp (word-list)
     (concat "\\<" (regexp-opt word-list t) "\\>"))
   (defun forth-make-parsing-words-regexp (word-list)
     (concat "\\<" (regexp-opt word-list t) "\\s-+\\(\\S-+\\)"))
   (defun forth-make-parsing-words-matcher (word-list word-face parsed-face)
     (let ((regexp (forth-make-parsing-words-regexp word-list)))
       (list regexp (list 1 word-face)
             (list (regexp-opt-depth regexp) parsed-face))
       ))
         
   (setq forth-font-lock-keywords 
         (list 
          (forth-make-parsing-words-matcher forth-function-defining-words
                font-lock-keyword-face font-lock-function-name-face)
          (forth-make-parsing-words-matcher forth-variable-defining-words
                font-lock-type-face font-lock-variable-name-face)
          (forth-make-parsing-words-matcher forth-type-defining-words
                font-lock-keyword-face font-lock-type-face)
          (forth-make-parsing-words-matcher forth-function-parsing-words
                font-lock-keyword-face font-lock-function-name-face)
          (forth-make-parsing-words-matcher forth-variable-parsing-words
                font-lock-keyword-face font-lock-variable-name-face)
          (forth-make-parsing-words-matcher forth-word-string-parsing-words
                font-lock-keyword-face font-lock-string-face)
          (list (forth-make-words-regexp forth-bracket-keywords)
                0 font-lock-keyword-face)
          (list (forth-make-words-regexp forth-syntactic-keywords)
                0 font-lock-keyword-face)
   ;       '("\\<\\({\\)\\(\\([ \t]+-?[^- \t}\n]*\\>\\)*\\)\\([^}\n]*\\)\\(}\\)?"
   ;        (1 font-lock-keyword-face) (2 font-lock-variable-name-face)
   ;        (4 font-lock-comment-face) (5 font-lock-keyword-face nil t))
          '("\\<-?[0-9][0-9a-f]*\\>" . font-lock-constant-face)
          '("\\<[^ \t\n%]+%" . font-lock-type-face)
          ))
   
   ;; Syntactic highlighting is used for getting Forth comments highlighted
   ;; properly: `\' and `\g' comments are handled with a single regular 
   ;; expression that parses from `\' to end of line and assigns the 
   ;; "comment-fence" generic comment delimiter to the backslash and end-of-line 
   ;; characters.
   ;; `( ... )' comments are handled by the usual comment-starter/comment-ender
   ;; syntax classes, with the extension that `(' must be a single word.
   ;; 
   (defvar forth-font-lock-syntactic-keywords nil)
   (setq forth-font-lock-syntactic-keywords
     '(("\\<\\(\\(\\\\\\)g?\\)\\>.*\\(\n\\)" (2 (14 . nil)) (3 (14 . nil)))
       ("\\<(\\>" 0 (11 . nil))
       (")" 0 (12 . nil))))
   
   ;;; End font lock code
   

Removed from v.1.2  
changed lines
  Added in v.1.47


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