version 1.58, 2002/01/19 17:43:28
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version 1.59, 2002/01/26 13:05:26
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;; Changes by David |
;; Changes by David |
;; Added a syntax-hilighting engine, rewrote auto-indentation engine. |
;; Added a syntax-hilighting engine, rewrote auto-indentation engine. |
;; Added support for block files. |
;; Added support for block files. |
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;; Tested with Emacs 19.34, 20.5, 21.1 and XEmacs 21.1 |
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;;------------------------------------------------------------------- |
;;------------------------------------------------------------------- |
;; A Forth indentation, documentation search and interaction library |
;; A Forth indentation, documentation search and interaction library |
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;;; Code: |
;;; Code: |
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(setq debug-on-error t) |
;(setq debug-on-error t) |
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;; Code ripped from `version.el' for compatability with Emacs versions |
;; Code ripped from `version.el' for compatability with Emacs versions |
;; prior to 19.23. |
;; prior to 19.23. |
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(set-face-foreground font-lock-warning-face "red") |
(set-face-foreground font-lock-warning-face "red") |
(make-face-bold font-lock-warning-face)) |
(make-face-bold font-lock-warning-face)) |
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;; define `font-lock-constant-face' in XEmacs (just copy |
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;; `font-lock-preprocessor-face') |
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(unless (boundp 'font-lock-constant-face) |
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(copy-face font-lock-preprocessor-face 'font-lock-constant-face) |
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(defvar font-lock-constant-face 'font-lock-comment-face)) |
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;; define `regexp-opt' in emacs versions prior to 20.1 |
;; define `regexp-opt' in emacs versions prior to 20.1 |
;; (this implementation is extremely inefficient, though) |
;; (this implementation is extremely inefficient, though) |
(unless (boundp 'regexp-opt) |
(eval-and-compile (forth-require 'regexp-opt)) |
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(unless (memq 'regexp-opt features) |
(message (concat |
(message (concat |
"Warning: your Emacs version doesn't support `regexp-opt'. " |
"Warning: your Emacs version doesn't support `regexp-opt'. " |
"Hilighting will be slow.")) |
"Hilighting will be slow.")) |
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(defun regexp-opt-depth (re) |
(defun regexp-opt-depth (re) |
(if (string= (substring re 0 2) "\\(") 1 0))) |
(if (string= (substring re 0 2) "\\(") 1 0))) |
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; todo: |
; todo: |
; |
; |
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Line 432 End:\" construct).")
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Line 439 End:\" construct).")
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;; Helper function for `forth-compile-word': translate one entry from |
;; Helper function for `forth-compile-word': translate one entry from |
;; `forth-words' into the form (regexp regexp-depth word-description) |
;; `forth-words' into the form (regexp regexp-depth word-description) |
(defun forth-compile-words-mapper (word) |
(defun forth-compile-words-mapper (word) |
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;; warning: we cannot rely on regexp-opt's PAREN argument, since |
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;; XEmacs will use shy parens by default :-( |
(let* ((matcher (car word)) |
(let* ((matcher (car word)) |
(regexp (if (stringp matcher) (concat "\\(" matcher "\\)") |
(regexp |
(if (listp matcher) (regexp-opt matcher t) |
(concat "\\(" (cond ((stringp matcher) matcher) |
(error "Invalid matcher (stringp or listp expected `%s'" |
((listp matcher) (regexp-opt matcher)) |
matcher)))) |
(t (error "Invalid matcher `%s'"))) |
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"\\)")) |
(depth (regexp-opt-depth regexp)) |
(depth (regexp-opt-depth regexp)) |
(description (cdr word))) |
(description (cdr word))) |
(list regexp depth description))) |
(list regexp depth description))) |
Line 542 End:\" construct).")
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Line 552 End:\" construct).")
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;; expression that matched. (used for identifying branches "a\\|b\\|c...") |
;; expression that matched. (used for identifying branches "a\\|b\\|c...") |
(defun forth-get-regexp-branch () |
(defun forth-get-regexp-branch () |
(let ((count 2)) |
(let ((count 2)) |
(while (not (match-beginning count)) |
(while (not (condition-case err (match-beginning count) |
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(args-out-of-range t))) ; XEmacs requires error handling |
(setq count (1+ count))) |
(setq count (1+ count))) |
count)) |
count)) |
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Line 1059 exceeds 64 characters."
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Line 1070 exceeds 64 characters."
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;setup for C-h C-i to work |
;setup for C-h C-i to work |
(eval-and-compile (forth-require 'info-look)) |
(eval-and-compile (forth-require 'info-look)) |
(when (memq 'info-look features) |
(when (memq 'info-look features) |
(info-lookup-add-help |
;; info-lookup-add-help not supported in XEmacs :-( |
:topic 'symbol |
(defvar forth-info-lookup '(symbol (forth-mode "\\w+" t |
:mode 'forth-mode |
(("(gforth)Word Index")) |
:regexp "[^ |
"\\w+"))) |
]+" |
(unless (memq forth-info-lookup info-lookup-alist) |
:ignore-case t |
(setq info-lookup-alist (cons forth-info-lookup info-lookup-alist)))) |
:doc-spec '(("(gforth)Name Index" nil "`" "' ")))) |
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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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(require 'etags) |
(require 'etags) |
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