version 1.12, 1995/08/27 19:56:30
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version 1.22, 1997/04/11 17:42:23
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;; This file is part of GNU Emacs. |
;; Forth mode for Emacs |
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;; 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. |
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;; 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, |
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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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;;; $Header$ |
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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 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] [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.") |
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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]" |
" ; 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.") |
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(defvar forth-zeroes |
(defvar forth-zeroes |
" : :noname " |
" : :noname code interpretation: public: private: how: 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: " |
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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] " |
"words that prefix and escape other words") |
"words that prefix and escape other words") |
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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(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 120 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 232 programmers who tend to fill code won't
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Line 249 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 328 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 391 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 413 part of the screen."
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Line 434 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 |