| ;;; gforth.el --- major mode for editing (G)Forth sources |
;;; gforth.el --- major mode for editing (G)Forth sources |
| |
|
| ;; Copyright (C) 1995,1996,1997,1998,2000,2001,2003 Free Software Foundation, Inc. |
;; Copyright (C) 1995,1996,1997,1998,2000,2001,2003,2004 Free Software Foundation, Inc. |
| |
|
| ;; This file is part of Gforth. |
;; This file is part of Gforth. |
| |
|
| (progn (string-match "^[0-9]+" emacs-version) |
(progn (string-match "^[0-9]+" emacs-version) |
| (string-to-int (match-string 0 emacs-version))))) |
(string-to-int (match-string 0 emacs-version))))) |
| |
|
| |
;; Code ripped from `subr.el' for compatability with Emacs versions |
| |
;; prior to 20.1 |
| |
(eval-when-compile |
| (defun forth-emacs-older (major minor) |
(defun forth-emacs-older (major minor) |
| (or (< emacs-major-version major) |
(or (< emacs-major-version major) |
| (and (= emacs-major-version major) (< emacs-minor-version minor)))) |
(and (= emacs-major-version major) (< emacs-minor-version minor)))) |
| |
|
| ;; Code ripped from `subr.el' for compatability with Emacs versions |
|
| ;; prior to 20.1 |
|
| (eval-when-compile |
|
| (if (forth-emacs-older 20 1) |
(if (forth-emacs-older 20 1) |
| (progn |
(progn |
| (defmacro when (cond &rest body) |
(defmacro when (cond &rest body) |
| |
|
| ;; `no-error' argument of require not supported in Emacs versions |
;; `no-error' argument of require not supported in Emacs versions |
| ;; prior to 20.4 :-( |
;; prior to 20.4 :-( |
| |
(eval-and-compile |
| (defun forth-require (feature) |
(defun forth-require (feature) |
| (condition-case err (require feature) (error nil))) |
(condition-case err (require feature) (error nil)))) |
| |
|
| (require 'font-lock) |
(require 'font-lock) |
| |
|
| "case" "of" "?dup-if" "?dup-0=-if" "then" "endif" "until" |
"case" "of" "?dup-if" "?dup-0=-if" "then" "endif" "until" |
| "repeat" "again" "leave" "?leave" |
"repeat" "again" "leave" "?leave" |
| "loop" "+loop" "-loop" "next" "endcase" "endof" "else" "while" "try" |
"loop" "+loop" "-loop" "next" "endcase" "endof" "else" "while" "try" |
| "recover" "endtry" "assert(" "assert0(" "assert1(" "assert2(" |
"recover" "endtry" "iferror" "restore" "endtry-iferror" |
| |
"assert(" "assert0(" "assert1(" "assert2(" |
| "assert3(" ")" "<interpretation" "<compilation" "interpretation>" |
"assert3(" ")" "<interpretation" "<compilation" "interpretation>" |
| "compilation>") |
"compilation>") |
| compile-only (font-lock-keyword-face . 2)) |
compile-only (font-lock-keyword-face . 2)) |
| |
|
| (setq forth-indent-words |
(setq forth-indent-words |
| '((("if" "begin" "do" "?do" "+do" "-do" "u+do" |
'((("if" "begin" "do" "?do" "+do" "-do" "u+do" |
| "u-do" "?dup-if" "?dup-0=-if" "case" "of" "try" |
"u-do" "?dup-if" "?dup-0=-if" "case" "of" "try" "iferror" |
| "[if]" "[ifdef]" "[ifundef]" "[begin]" "[for]" "[do]" "[?do]") |
"[if]" "[ifdef]" "[ifundef]" "[begin]" "[for]" "[do]" "[?do]") |
| (0 . 2) (0 . 2)) |
(0 . 2) (0 . 2)) |
| ((":" ":noname" "code" "struct" "m:" ":m" "class" "interface") |
((":" ":noname" "code" "struct" "m:" ":m" "class" "interface") |
| (-2 . 0) (0 . -2) non-immediate) |
(-2 . 0) (0 . -2) non-immediate) |
| (("protected" "public" "how:") (-1 . 1) (0 . 0) non-immediate) |
(("protected" "public" "how:") (-1 . 1) (0 . 0) non-immediate) |
| (("+loop" "-loop" "until") (-2 . 0) (-2 . 0)) |
(("+loop" "-loop" "until") (-2 . 0) (-2 . 0)) |
| (("else" "recover" "[else]") (-2 . 2) (0 . 0)) |
(("else" "recover" "restore" "endtry-iferror" "[else]") |
| |
(-2 . 2) (0 . 0)) |
| (("does>") (-1 . 1) (0 . 0)) |
(("does>") (-1 . 1) (0 . 0)) |
| (("while" "[while]") (-2 . 4) (0 . 2)) |
(("while" "[while]") (-2 . 4) (0 . 2)) |
| (("repeat" "[repeat]") (-4 . 0) (0 . -4)) |
(("repeat" "[repeat]") (-4 . 0) (0 . -4)))) |
| (("\\g") (-2 . 2) (0 . 0)))) |
|
| |
|
| (defvar forth-local-indent-words nil |
(defvar forth-local-indent-words nil |
| "List of Forth words to prepend to `forth-indent-words', when a forth-mode |
"List of Forth words to prepend to `forth-indent-words', when a forth-mode |
| |
|
| ;; Return the column increment, that the current line of forth code does to |
;; Return the column increment, that the current line of forth code does to |
| ;; the current or following lines. `which' specifies which indentation values |
;; the current or following lines. `which' specifies which indentation values |
| ;; to use. 0 means the indentation of following lines relative to current |
;; to use. 1 means the indentation of following lines relative to current |
| ;; line, 1 means the indentation of the current line relative to the previous |
;; line, 0 means the indentation of the current line relative to the previous |
| ;; line. Return `nil', if there are no indentation words on the current line. |
;; line. Return `nil', if there are no indentation words on the current line. |
| (defun forth-get-column-incr (which) |
(defun forth-get-column-incr (which) |
| (save-excursion |
(save-excursion |
| (comint-check-source file-name) ; Check to see if buffer needs saved. |
(comint-check-source file-name) ; Check to see if buffer needs saved. |
| (setq forth-prev-l/c-dir/file (cons (file-name-directory file-name) |
(setq forth-prev-l/c-dir/file (cons (file-name-directory file-name) |
| (file-name-nondirectory file-name))) |
(file-name-nondirectory file-name))) |
| (comint-send-string (forth-proc) (concat "(load \"" |
(comint-send-string (forth-proc) |
| file-name |
(concat "s\" " file-name "\" included\n"))) |
| "\"\)\n"))) |
|
| |
|
| |
|
| |
|
| (defvar forth-process-buffer nil "*The current Forth process buffer. |
(defvar forth-process-buffer nil "*The current Forth process buffer. |
