version 1.11, 1995/01/30 18:47:48
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version 1.41, 2000/04/29 21:12:14
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;; This file is part of GNU Emacs. |
;; Forth mode for Emacs |
;; Changes by anton |
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;; This is a variant of forth.el that came with TILE. |
;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. |
;; I left most of this stuff untouched and made just a few changes for |
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;; the things I use (mainly indentation and syntax tables). |
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;; So there is still a lot of work to do to adapt this to gforth. |
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;; GNU Emacs is distributed in the hope that it will be useful, |
;; This file is part of Gforth. |
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;; 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, |
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;; 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. |
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;;; $Header$ |
;; Changes by anton |
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;; This is a variant of forth.el that came with TILE. |
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;; I left most of this stuff untouched and made just a few changes for |
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;; the things I use (mainly indentation and syntax tables). |
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;; So there is still a lot of work to do to adapt this to gforth. |
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;;------------------------------------------------------------------- |
;;------------------------------------------------------------------- |
;; A Forth indentation, documentation search and interaction library |
;; A Forth indentation, documentation search and interaction library |
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(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 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.") |
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(defvar forth-negatives |
(defvar forth-negatives |
" ; until repeat while +loop loop s+loop else then endif again endcase does> end-struct [then] [else] [endif]" |
" ; ;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.") |
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(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") |
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(setq forth-zero 0) |
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(defvar forth-zup |
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" how: implements " |
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"Contains all words which causes zero indent level to change") |
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(defvar forth-zdown |
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" class; how: class public: private: " |
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"Contains all words which causes zero indent level to change") |
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(defvar forth-prefixes |
(defvar forth-prefixes |
" postpone [compile] ['] [char] " |
" postpone [compile] ['] [char] " |
Line 67 OBS! All words in forth-negatives must b
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Line 80 OBS! All words in forth-negatives must b
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(if (not forth-mode-map) |
(if (not forth-mode-map) |
(setq forth-mode-map (make-sparse-keymap))) |
(setq forth-mode-map (make-sparse-keymap))) |
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(global-set-key "\e\C-m" 'forth-send-paragraph) |
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(global-set-key "\C-x\C-m" 'forth-split) |
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(global-set-key "\e " 'forth-reload) |
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;(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~" 'forth-remove-tracers) |
(define-key forth-mode-map "\C-x~" 'forth-remove-tracers) |
Line 81 OBS! All words in forth-negatives must b
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Line 90 OBS! All words in forth-negatives must b
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(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) |
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(define-key forth-mode-map "\e." 'forth-find-tag) |
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;setup for C-h C-i to work |
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(if (fboundp 'info-lookup-add-help) |
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(info-lookup-add-help |
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:topic 'symbol |
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:mode 'forth-mode |
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:regexp "[^ |
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]+" |
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:ignore-case t |
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:doc-spec '(("(gforth)Name Index" nil "`" "' ")))) |
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(load "etags") |
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(defun forth-find-tag (tagname &optional next-p regexp-p) |
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(interactive (find-tag-interactive "Find tag: ")) |
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(switch-to-buffer |
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(find-tag-noselect (concat " " tagname " ") next-p regexp-p))) |
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(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 103 OBS! All words in forth-negatives must b
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Line 130 OBS! All words in forth-negatives must b
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;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 143 OBS! All words in forth-negatives must b
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Line 170 OBS! All words in forth-negatives must b
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" |
" |
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 232 programmers who tend to fill code won't
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Line 259 programmers who tend to fill code won't
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(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 311 programmers who tend to fill code won't
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Line 338 programmers who tend to fill code won't
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(regexp-quote (concat " " w1 " ")) |
(regexp-quote (concat " " w1 " ")) |
forth-negatives) |
forth-negatives) |
forth-indent-level 0))) |
forth-indent-level 0))) |
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(if (string-match (regexp-quote (concat " " w1 " ")) forth-zdown) |
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(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)) |
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(if (string-match (regexp-quote (concat " " w1 " ")) forth-zup) |
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(setq forth-zero 4)) |
indent)) |
indent)) |
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(defun forth-sum-line-indentation () |
(defun forth-sum-line-indentation () |
Line 370 the input stream (comments, arguments, e
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Line 401 the input stream (comments, arguments, e
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(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)) |
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(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 400 part of the screen."
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Line 431 part of the screen."
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(forth-split) |
(forth-split) |
(forth-set-runlight forth-runlight:input)) |
(forth-set-runlight forth-runlight:input)) |
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(defun run-forth-if-not () |
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(if (not (forth-process-running-p)) |
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(run-forth forth-program-name))) |
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(defun reset-forth () |
(defun reset-forth () |
"Reset the Forth process." |
"Reset the Forth process." |
(interactive) |
(interactive) |
Line 413 part of the screen."
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Line 448 part of the screen."
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(message "Resetting Forth process...done"))))) |
(message "Resetting Forth process...done"))))) |
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(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) |
"") |
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(if forth-band-name |
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(concat " -band " forth-band-name) |
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""))) |
""))) |
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;;;; Internal Variables |
;;;; Internal Variables |
Line 696 The region is sent terminated by a newli
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Line 728 The region is sent terminated by a newli
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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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Line 865 The region is sent terminated by a newli
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Line 897 The region is sent terminated by a newli
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(compile1 ctools-compile-command "No more errors")) |
(compile1 ctools-compile-command "No more errors")) |
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;;; Forth menu |
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;;; Mikael Karlsson <qramika@eras70.ericsson.se> |
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(cond ((string-match "XEmacs\\|Lucid" emacs-version) |
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(require 'func-menu) |
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(defconst fume-function-name-regexp-forth |
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"^\\(:\\)[ \t]+\\([^ \t]*\\)" |
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"Expression to get word definitions in Forth.") |
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(setq fume-function-name-regexp-alist |
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(append '((forth-mode . fume-function-name-regexp-forth) |
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) fume-function-name-regexp-alist)) |
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;; Find next forth word in the buffer |
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(defun fume-find-next-forth-function-name (buffer) |
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"Searches for the next forth word in BUFFER." |
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(set-buffer buffer) |
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(if (re-search-forward fume-function-name-regexp nil t) |
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(let ((beg (match-beginning 2)) |
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(end (match-end 2))) |
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(cons (buffer-substring beg end) beg)))) |
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(setq fume-find-function-name-method-alist |
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(append '((forth-mode . fume-find-next-forth-function-name)))) |
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)) |
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;;; End Forth menu |
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;;; File folding of forth-files |
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;;; uses outline |
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;;; Toggle activation with M-x fold-f (when editing a forth-file) |
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;;; Use f9 to expand, f10 to hide, Or the menubar in xemacs |
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;;; |
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;;; Works most of the times but loses sync with the cursor occasionally |
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;;; Could be improved by also folding on comments |
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(require 'outline) |
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(defun f-outline-level () |
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(cond ((looking-at "\\`\\\\") |
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0) |
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((looking-at "\\\\ SEC") |
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0) |
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((looking-at "\\\\ \\\\ .*") |
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0) |
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((looking-at "\\\\ DEFS") |
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1) |
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((looking-at "\\/\\* ") |
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1) |
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((looking-at ": .*") |
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1) |
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((looking-at "\\\\G") |
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2) |
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((looking-at "[ \t]+\\\\") |
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3)) |
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) |
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(defun fold-f () |
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(interactive) |
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(add-hook 'outline-minor-mode-hook 'hide-body) |
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; outline mode header start, i.e. find word definitions |
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;;; (setq outline-regexp "^\\(:\\)[ \t]+\\([^ \t]*\\)") |
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(setq outline-regexp "\\`\\\\\\|:\\|\\\\ SEC\\|\\\\G\\|[ \t]+\\\\\\|\\\\ DEFS\\|\\/\\*\\|\\\\ \\\\ .*") |
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(setq outline-level 'f-outline-level) |
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(outline-minor-mode) |
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(define-key outline-minor-mode-map '(shift up) 'hide-sublevels) |
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(define-key outline-minor-mode-map '(shift right) 'show-children) |
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(define-key outline-minor-mode-map '(shift left) 'hide-subtree) |
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(define-key outline-minor-mode-map '(shift down) 'show-subtree) |
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) |
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;;(define-key global-map '(shift up) 'fold-f) |
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;;; end file folding |
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;;; func-menu is a package that scans your source file for function definitions |
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;;; and makes a menubar entry that lets you jump to any particular function |
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;;; definition by selecting it from the menu. The following code turns this on |
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;;; for all of the recognized languages. Scanning the buffer takes some time, |
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;;; but not much. |
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;;; |
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(cond ((string-match "XEmacs\\|Lucid" emacs-version) |
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(require 'func-menu) |
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;; (define-key global-map 'f8 'function-menu) |
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(add-hook 'find-fible-hooks 'fume-add-menubar-entry) |
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; (define-key global-map "\C-cg" 'fume-prompt-function-goto) |
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; (define-key global-map '(shift button3) 'mouse-function-menu) |
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)) |
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;;; Highlighting |
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(if (not (file-exists-p "/usr/share/emacs/site-lisp/hl319.el")) |
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(require 'hilit19) |
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(require 'hl319)) |
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(hilit-set-mode-patterns |
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'(forth-mode) |
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(append |
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'(("\\\\ \\(.*\\)$" nil comment)) ; comments |
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'(("(\\( [^)\n]* \\| \\)--\\( [^)\n]* \\| \\))" nil decl)) |
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'(("( " ")" comment)) |
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'(("\" [^\"\n]*\"" nil string)) |
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'(("\\(\\[IF]\\|\\[IFDEF]\\|\\[IFUNDEF]\\|\\[ELSE]\\|\\[THEN]\\|IF\\|ELSE\\|THEN\\|CASE\\|ENDCASE\\|OF\\|ENDOF\\|BEGIN\\|WHILE\\|REPEAT\\|UNTIL\\|DOES>\\|?DO\\|DO\\|\+LOOP\\|LOOP\\)" nil keyword)) |
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'((": *[^ \n]*" nil defun)) |
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'(("Defer *[^ \n]*" nil defun)) |
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'(("\\(Variable\\|Constant\\|Value\\|Create\\) *[^ \n]*" nil define)) |
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'(("\\(include\\|require\\) *[^ \n]*" nil include)) |
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'(("[\n ]\\(\\$[0-9A-Fa-f]+[\n ]\\|&[0-9]+[\n ]\\|[0-9]+[\n ]\\|%[01]+[\n ]\\|'[^ \n]+\\)+" nil formula)) |
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'((":noname" nil defun)))) |
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;; end |
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