From 78d7cf68ffaf2bc5bfe665b6215d0c8894daddc4 Mon Sep 17 00:00:00 2001 From: "Richard M. Stallman" Date: Sun, 30 Mar 1997 21:50:02 +0000 Subject: [PATCH] (icon-mode-map): Added menus. (icon-imenu-generic-expression): New variable to be used for imenu. (icon-mode): Added font-lock, imenu and hideshow support. (icon-font-lock-keywords-1, icon-font-lock-keywords-2): New constants for different level of font-lock fontification. (icon-font-lock-keywords): New variable. Default expression to be assigned to font-lock-keywords in `icon-mode'. (icon-forward-sexp-function): New function used as `forward-sexp' by hideshow. --- lisp/progmodes/icon.el | 107 +++++++++++++++++++++++++++++++++++++---- 1 file changed, 98 insertions(+), 9 deletions(-) diff --git a/lisp/progmodes/icon.el b/lisp/progmodes/icon.el index 85e30a77ade..1f5fbe75e0c 100644 --- a/lisp/progmodes/icon.el +++ b/lisp/progmodes/icon.el @@ -37,15 +37,28 @@ "Keymap used in Icon mode.") (if icon-mode-map () - (setq icon-mode-map (make-sparse-keymap)) - (define-key icon-mode-map "{" 'electric-icon-brace) - (define-key icon-mode-map "}" 'electric-icon-brace) - (define-key icon-mode-map "\e\C-h" 'mark-icon-function) - (define-key icon-mode-map "\e\C-a" 'beginning-of-icon-defun) - (define-key icon-mode-map "\e\C-e" 'end-of-icon-defun) - (define-key icon-mode-map "\e\C-q" 'indent-icon-exp) - (define-key icon-mode-map "\177" 'backward-delete-char-untabify) - (define-key icon-mode-map "\t" 'icon-indent-command)) + (let ((map (make-sparse-keymap "Icon"))) + (setq icon-mode-map (make-sparse-keymap)) + (define-key icon-mode-map "{" 'electric-icon-brace) + (define-key icon-mode-map "}" 'electric-icon-brace) + (define-key icon-mode-map "\e\C-h" 'mark-icon-function) + (define-key icon-mode-map "\e\C-a" 'beginning-of-icon-defun) + (define-key icon-mode-map "\e\C-e" 'end-of-icon-defun) + (define-key icon-mode-map "\e\C-q" 'indent-icon-exp) + (define-key icon-mode-map "\177" 'backward-delete-char-untabify) + (define-key icon-mode-map "\t" 'icon-indent-command) + + (define-key icon-mode-map [menu-bar] (make-sparse-keymap)) + (define-key icon-mode-map [menu-bar icon] + (cons "Icon" map)) + (define-key map [beginning-of-icon-defun] '("Beginning of function" . beginning-of-icon-defun)) + (define-key map [end-of-icon-defun] '("End of function" . end-of-icon-defun)) + (define-key map [comment-region] '("Comment Out Region" . comment-region)) + (define-key map [indent-region] '("Indent Region" . indent-region)) + (define-key map [indent-line] '("Indent Line" . icon-indent-command)) + (put 'eval-region 'menu-enable 'mark-active) + (put 'comment-region 'menu-enable 'mark-active) + (put 'indent-region 'menu-enable 'mark-active))) (defvar icon-mode-syntax-table nil "Syntax table in use in Icon-mode buffers.") @@ -88,6 +101,12 @@ inserted in Icon code.") (defvar icon-tab-always-indent t "*Non-nil means TAB in Icon mode should always reindent the current line, regardless of where in the line point is when the TAB command is used.") + +(defvar icon-imenu-generic-expression + '((nil "^[ \t]*procedure[ \t]*\\(\\sw+\\)[ \t]*(" 1)) + "Imenu expression for Icon-mode. See `imenu-generic-expression'.") + + ;;;###autoload (defun icon-mode () @@ -147,6 +166,23 @@ with no args, if that value is non-nil." (setq comment-start-skip "# *") (make-local-variable 'comment-indent-function) (setq comment-indent-function 'icon-comment-indent) + ;; font-lock support + (make-local-variable 'font-lock-defaults) + (setq font-lock-defaults + '((icon-font-lock-keywords + icon-font-lock-keywords-1 + icon-font-lock-keywords-2 + ) + nil nil ((?_ . "w")) beginning-of-defun + (font-lock-comment-start-regexp . "#") + (font-lock-mark-block-function . mark-defun))) + ;; imenu support + (make-local-variable 'imenu-generic-expression) + (setq imenu-generic-expression icon-imenu-generic-expression) + ;; hideshow support + ;; we start from the assertion that `hs-special-modes-alist' is autoloaded. + (pushnew '(icon-mode "procedure" "end" icon-forward-sexp-function) + hs-special-modes-alist :test 'equal) (run-hooks 'icon-mode-hook)) ;; This is used by indent-for-comment to decide how much to @@ -553,4 +589,57 @@ Returns nil if line starts inside a string, t if in a comment." (if (re-search-forward comment-start-skip (save-excursion (end-of-line) (point)) t) (progn (indent-for-comment) (beginning-of-line)))))))))) +(defconst icon-font-lock-keywords-1 + (eval-when-compile + (list + ;; Fontify procedure name definitions. + '("^[ \t]*\\(procedure\\)[ \t]*\\(\\sw+\\)[ \t]*(" + (1 font-lock-builtin-face) (2 font-lock-function-name-face nil t)))) + "Subdued level highlighting for `icon-mode'.") + +(defconst icon-font-lock-keywords-2 + (append + icon-font-lock-keywords-1 + (eval-when-compile + (list + ;; Fontify all type specifiers. + ;;"null" "string" "co-expression" "table" "integer" "cset" "set" "real" "file" "list" + (cons "\\<\\(c\\(o-expression\\|set\\)\\|file\\|integer\\|list\\|null\\|real\\|s\\(et\\|tring\\)\\|table\\)\\>"'font-lock-type-face) + ;; Fontify all keywords. + ;;"break" "do" "next" "repeat" "to" "by" "else" "if" "not" "return" "until" "case" "of" "while" "create" "every" "suspend" "default" "fail" "record" "then" + (cons "\\<\\(b\\(reak\\|y\\)\\|c\\(ase\\|reate\\)\\|d\\(efault\\|o\\)\\|e\\(lse\\|very\\)\\|fail\\|if\\|n\\(ext\\|ot\\)\\|of\\|re\\(cord\\|peat\\|turn\\)\\|suspend\\|t\\(hen\\|o\\)\\|until\\|while\\)\\>" 'font-lock-keyword-face) + ;; "end" "initial" + (cons (concat "\\<\\(end\\|initial\\)\\>") 'font-lock-builtin-face) + ;; Fontify all system variables. + ;;"&allocated" "&ascii" "&clock" "&col" "&collections" "&column" "&control" "&cset" "¤t" "&date" "&dateline" "&digits" "&dump" "&error" "&errornumber" "&errortext" "&errorvalue" "&errout" "&eventcode" "&eventsource" "&eventvalue" "&fail" "&features" "&file" "&host" "&input" "&interval" "&lcase" "&ldrag" "&letters" "&level" "&line" "&lpress" "&lrelease" "&main" "&mdrag" "&meta" "&mpress" "&mrelease" "&null" "&output" "&phi" "&pi" "&pos" "&progname" "&random" "&rdrag" "®ions" "&resize" "&row" "&rpress" "&rrelease" "&shift" "&source" "&storage" "&subject" "&time" "&trace" "&ucase" "&version" "&window" "&x" "&y" + (cons (concat "\\(&\\(a\\(llocated\\|scii\\)\\|c\\(lock\\|o\\(l\\(\\|lections\\|umn\\)\\|ntrol\\)\\|set\\|urrent\\)\\|d\\(ate\\(\\|line\\)\\|igits\\|ump\\)\\|e\\(rro\\(r\\(\\|number\\|text\\|value\\)\\|ut\\)\\|vent\\(code\\|source\\|value\\)\\)\\|f\\(ail\\|eatures\\|ile\\)\\|host\\|in\\(put\\|terval\\)\\|l\\(case\\|drag\\|e\\(tters\\|vel\\)\\|ine\\|press\\|release\\)\\|m\\(ain\\|drag\\|eta\\|press\\|release\\)\\|null\\|output\\|p\\(hi\\|i\\|os\\|rogname\\)\\|r\\(andom\\|drag\\|e\\(gions\\|size\\)\\|ow\\|press\\|release\\)\\|s\\(hift\\|ource\\|torage\\|ubject\\)\\|t\\(ime\\|race\\)\\|ucase\\|version\\|window\\|[exy]\\)\\)") 'font-lock-reference-face) + ;; global local static declarations and link files + (cons "^[ \t]*\\(global\\|link\\|local\\|static\\)\\(\\sw+\\>\\)*" + '((1 font-lock-builtin-face) + (font-lock-match-c-style-declaration-item-and-skip-to-next + (goto-char (or (match-beginning 2) (match-end 1))) nil + (1 (if (match-beginning 2) + font-lock-function-name-face + font-lock-variable-name-face))))) + ;; $define $elif $ifdef $ifdef $ifndef + (cons "^\\(\\$\\(define\\|elif\\|if\\(\\|def\\|ndef\\)\\|undef\\)\\)[ \t]+\\([^ \t\n]+\\)" + '((1 font-lock-builtin-face) (4 font-lock-variable-name-face nil t))) + ;; $dump $endif $else $include + (cons "^\\(\\$\\(dump\\|e\\(lse\\|ndif\\)\\|include\\)\\)\\>" 'font-lock-builtin-face) + ;; $warning $error + (cons "^\\(\\$\\(warning\\|error\\)\\)[ \t]+\\([^\n]+\\)" + '((1 font-lock-builtin-face) (3 font-lock-warning-face nil t))) + ))) + "Gaudy level highlighting for `icon-mode'.") + +(defvar icon-font-lock-keywords icon-font-lock-keywords-1 + "Default expressions to highlight in `icon-mode'.") + +;;;used by hs-minor-mode +(defun icon-forward-sexp-function (arg) + (if (> arg 0) + (re-search-forward "^[ \t]*end") + (re-search-backward "^[ \t]procedure"))) + +(provide 'icon-mode) ;;; icon.el ends here -- 2.39.2