Diff for /gforth/gforth.el between versions 1.9 and 1.30

version 1.9, 1995/01/12 18:37:53 version 1.30, 1998/05/13 16:47:23
Line 1 Line 1
 ;; This file is part of GNU Emacs.  ;; Forth mode for Emacs
   ;; This file is part of GForth.
 ;; Changes by anton  ;; Changes by anton
 ;; This is a variant of forth.el that came with TILE.  ;; 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   ;; I left most of this stuff untouched and made just a few changes for 
 ;; the things I use (mainly indentation and syntax tables).  ;; the things I use (mainly indentation and syntax tables).
 ;; So there is still a lot of work to do to adapt this to gforth.  ;; So there is still a lot of work to do to adapt this to 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 15 Line 16
 ;; 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.
   
 ;;; $Header$  
   
 ;;-------------------------------------------------------------------  ;;-------------------------------------------------------------------
 ;; A Forth indentation, documentation search and interaction library  ;; A Forth indentation, documentation search and interaction library
 ;;-------------------------------------------------------------------  ;;-------------------------------------------------------------------
Line 37 Line 36
   
   
 (defvar forth-positives  (defvar forth-positives
   " : :noname begin do ?do while if ?dup-if ?dup-not-if else case create does> exception> struct [if] [else] "    " : :noname 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 "
   "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 s+loop else then endif again endcase does> end-struct [then] [else] "    " ; end-code ;code does> until repeat while +loop loop -loop s+loop else then endif again endcase endof end-struct [then] [else] [endif] endwith class; how: "
   "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 "    " : :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  (defvar forth-prefixes
   " postpone [compile] ['] [char] "    " postpone [compile] ['] [char] "
   "words that prefix and escape other words")    "words that prefix and escape other words")
Line 67  OBS! All words in forth-negatives must b Line 76  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)  
 (global-set-key "\C-x\C-m" 'forth-split)  
 (global-set-key "\e " 'forth-reload)  
   
 ;(define-key forth-mode-map "\M-\C-x" 'compile)  ;(define-key forth-mode-map "\M-\C-x" 'compile)
 (define-key forth-mode-map "\C-x\\" 'comment-region)  (define-key forth-mode-map "\C-x\\" 'comment-region)
 (define-key forth-mode-map "\C-x|" 'uncomment-region)  
 (define-key forth-mode-map "\C-x~" 'forth-remove-tracers)  (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)
Line 82  OBS! All words in forth-negatives must b Line 86  OBS! All words in forth-negatives must b
 (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 "\M-q" 'forth-fill-paragraph)
   (define-key forth-mode-map "\e." 'forth-find-tag)
   
   (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.")
Line 104  OBS! All words in forth-negatives must b Line 116  OBS! All words in forth-negatives must b
 ;only supports one comment syntax (and a hack to accomodate C++); I  ;only supports one comment syntax (and a hack to accomodate C++); I
 ;use '\' for natural language comments and '(' for formal comments  ;use '\' for natural language comments and '(' for formal comments
 ;like stack comments, so for me it's better to have emacs treat '\'  ;like stack comments, so for me it's better to have emacs treat '\'
 ;comments as comments. I you want it different, make the appropriate  ;comments as comments. If you want it different, make the appropriate
 ;changes (best in your .emacs file).  ;changes (best in your .emacs file).
 ;  ;
 ;Hmm, the C++ hack could be used to support both comment syntaxes: we  ;Hmm, the C++ hack could be used to support both comment syntaxes: we
Line 144  OBS! All words in forth-negatives must b Line 156  OBS! All words in forth-negatives must b
   "    "
 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 \\ and newline. Paragraphs are separated by blank lines  are delimited with \\ and newline. Paragraphs are separated by blank lines
 only. 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
Line 233  programmers who tend to fill code won't Line 245  programmers who tend to fill code won't
     (beginning-of-line)      (beginning-of-line)
     (while (and      (while (and
              (= (forward-line -1) 0)               (= (forward-line -1) 0)
              (looking-at "[ \t]*\\\\[ \t]+")))               (looking-at "[ \t]*\\\\g?[ \t]+")))
     (if (not (looking-at "[ \t]*\\\\[ \t]+"))      (if (not (looking-at "[ \t]*\\\\g?[ \t]+"))
         (forward-line 1))          (forward-line 1))
     (let ((from (point))      (let ((from (point))
           (to (save-excursion (forward-paragraph) (point))))            (to (save-excursion (forward-paragraph) (point))))
       (if (looking-at "[ \t]*\\\\[ \t]+")        (if (looking-at "[ \t]*\\\\g?[ \t]+")
           (progn (goto-char (match-end 0))            (progn (goto-char (match-end 0))
                  (set-fill-prefix)                   (set-fill-prefix)
                  (fill-region from to nil))))))                   (fill-region from to nil))))))
Line 312  programmers who tend to fill code won't Line 324  programmers who tend to fill code won't
                          (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 ()
Line 371  the input stream (comments, arguments, e Line 387  the input stream (comments, arguments, e
 (defun forth-remove-tracers ()  (defun forth-remove-tracers ()
   "Remove tracers of the form `~~ '. Queries the user for each occurrence."    "Remove tracers of the form `~~ '. Queries the user for each occurrence."
   (interactive)    (interactive)
   (query-replace "~~ " ""))    (query-replace-regexp "\\(~~ \\| ~~$\\)" "" nil))
   
 (defvar forth-program-name "gforth"  (defvar forth-program-name "gforth"
   "*Program invoked by the `run-forth' command.")    "*Program invoked by the `run-forth' command.")
Line 401  part of the screen." Line 417  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 414  part of the screen." Line 434  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 697  The region is sent terminated by a newli Line 714  The region is sent terminated by a newli
   (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))
   
   
Line 866  The region is sent terminated by a newli Line 883  The region is sent terminated by a newli
   (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)
   ))
   
   ;; end
   

Removed from v.1.9  
changed lines
  Added in v.1.30


FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>