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692 lines
25 KiB
EmacsLisp
692 lines
25 KiB
EmacsLisp
;;; icon.el --- mode for editing Icon code
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;; Copyright (C) 1989 Free Software Foundation, Inc.
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;; Author: Chris Smith <csmith@convex.com>
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;; Created: 15 Feb 89
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;; Keywords: languages
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;; A major mode for editing the Icon programming language.
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;;; Code:
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(defvar icon-mode-abbrev-table nil
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"Abbrev table in use in Icon-mode buffers.")
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(define-abbrev-table 'icon-mode-abbrev-table ())
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(defvar icon-mode-map ()
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"Keymap used in Icon mode.")
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(if icon-mode-map
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()
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(let ((map (make-sparse-keymap "Icon")))
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(setq icon-mode-map (make-sparse-keymap))
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(define-key icon-mode-map "{" 'electric-icon-brace)
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(define-key icon-mode-map "}" 'electric-icon-brace)
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(define-key icon-mode-map "\e\C-h" 'mark-icon-function)
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(define-key icon-mode-map "\e\C-a" 'beginning-of-icon-defun)
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(define-key icon-mode-map "\e\C-e" 'end-of-icon-defun)
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(define-key icon-mode-map "\e\C-q" 'indent-icon-exp)
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(define-key icon-mode-map "\177" 'backward-delete-char-untabify)
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(define-key icon-mode-map [menu-bar] (make-sparse-keymap "Icon"))
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(define-key icon-mode-map [menu-bar icon]
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(cons "Icon" map))
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(define-key map [beginning-of-icon-defun] '("Beginning of function" . beginning-of-icon-defun))
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(define-key map [end-of-icon-defun] '("End of function" . end-of-icon-defun))
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(define-key map [comment-region] '("Comment Out Region" . comment-region))
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(define-key map [indent-region] '("Indent Region" . indent-region))
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(define-key map [indent-line] '("Indent Line" . icon-indent-command))
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(put 'eval-region 'menu-enable 'mark-active)
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(put 'comment-region 'menu-enable 'mark-active)
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(put 'indent-region 'menu-enable 'mark-active)))
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(defvar icon-mode-syntax-table nil
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"Syntax table in use in Icon-mode buffers.")
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(if icon-mode-syntax-table
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()
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(setq icon-mode-syntax-table (make-syntax-table))
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(modify-syntax-entry ?\\ "\\" icon-mode-syntax-table)
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(modify-syntax-entry ?# "<" icon-mode-syntax-table)
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(modify-syntax-entry ?\n ">" icon-mode-syntax-table)
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(modify-syntax-entry ?$ "." icon-mode-syntax-table)
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(modify-syntax-entry ?/ "." icon-mode-syntax-table)
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(modify-syntax-entry ?* "." icon-mode-syntax-table)
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(modify-syntax-entry ?+ "." icon-mode-syntax-table)
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(modify-syntax-entry ?- "." icon-mode-syntax-table)
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(modify-syntax-entry ?= "." icon-mode-syntax-table)
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(modify-syntax-entry ?% "." icon-mode-syntax-table)
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(modify-syntax-entry ?< "." icon-mode-syntax-table)
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(modify-syntax-entry ?> "." icon-mode-syntax-table)
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(modify-syntax-entry ?& "." icon-mode-syntax-table)
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(modify-syntax-entry ?| "." icon-mode-syntax-table)
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(modify-syntax-entry ?\' "\"" icon-mode-syntax-table))
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(defgroup icon nil
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"Mode for editing Icon code."
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:group 'languages)
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(defcustom icon-indent-level 4
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"*Indentation of Icon statements with respect to containing block."
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:type 'integer
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:group 'icon)
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(defcustom icon-brace-imaginary-offset 0
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"*Imagined indentation of a Icon open brace that actually follows a statement."
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:type 'integer
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:group 'icon)
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(defcustom icon-brace-offset 0
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"*Extra indentation for braces, compared with other text in same context."
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:type 'integer
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:group 'icon)
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(defcustom icon-continued-statement-offset 4
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"*Extra indent for Icon lines not starting new statements."
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:type 'integer
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:group 'icon)
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(defcustom icon-continued-brace-offset 0
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"*Extra indent for Icon substatements that start with open-braces.
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This is in addition to `icon-continued-statement-offset'."
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:type 'integer
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:group 'icon)
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(defcustom icon-auto-newline nil
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"*Non-nil means automatically newline before and after braces Icon code.
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This applies when braces are inserted."
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:type 'boolean
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:group 'icon)
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(defcustom icon-tab-always-indent t
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"*Non-nil means TAB in Icon mode should always reindent the current line.
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It will then reindent, regardless of where in the line point is
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when the TAB command is used."
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:type 'boolean
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:group 'icon)
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(defvar icon-imenu-generic-expression
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'((nil "^[ \t]*procedure[ \t]+\\(\\sw+\\)[ \t]*(" 1))
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"Imenu expression for Icon mode. See `imenu-generic-expression'.")
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;;;###autoload
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(defun icon-mode ()
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"Major mode for editing Icon code.
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Expression and list commands understand all Icon brackets.
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Tab indents for Icon code.
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Paragraphs are separated by blank lines only.
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Delete converts tabs to spaces as it moves back.
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\\{icon-mode-map}
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Variables controlling indentation style:
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icon-tab-always-indent
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Non-nil means TAB in Icon mode should always reindent the current line,
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regardless of where in the line point is when the TAB command is used.
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icon-auto-newline
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Non-nil means automatically newline before and after braces
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inserted in Icon code.
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icon-indent-level
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Indentation of Icon statements within surrounding block.
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The surrounding block's indentation is the indentation
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of the line on which the open-brace appears.
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icon-continued-statement-offset
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Extra indentation given to a substatement, such as the
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then-clause of an if or body of a while.
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icon-continued-brace-offset
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Extra indentation given to a brace that starts a substatement.
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This is in addition to `icon-continued-statement-offset'.
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icon-brace-offset
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Extra indentation for line if it starts with an open brace.
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icon-brace-imaginary-offset
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An open brace following other text is treated as if it were
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this far to the right of the start of its line.
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Turning on Icon mode calls the value of the variable `icon-mode-hook'
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with no args, if that value is non-nil."
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(interactive)
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(kill-all-local-variables)
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(use-local-map icon-mode-map)
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(setq major-mode 'icon-mode)
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(setq mode-name "Icon")
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(setq local-abbrev-table icon-mode-abbrev-table)
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(set-syntax-table icon-mode-syntax-table)
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(make-local-variable 'paragraph-start)
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(setq paragraph-start (concat "$\\|" page-delimiter))
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(make-local-variable 'paragraph-separate)
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(setq paragraph-separate paragraph-start)
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(make-local-variable 'indent-line-function)
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(setq indent-line-function 'icon-indent-line)
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(make-local-variable 'require-final-newline)
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(setq require-final-newline mode-require-final-newline)
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(make-local-variable 'comment-start)
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(setq comment-start "# ")
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(make-local-variable 'comment-end)
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(setq comment-end "")
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(make-local-variable 'comment-start-skip)
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(setq comment-start-skip "# *")
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(make-local-variable 'comment-indent-function)
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(setq comment-indent-function 'icon-comment-indent)
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(set (make-local-variable 'indent-line-function) 'icon-indent-line)
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;; font-lock support
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(setq font-lock-defaults
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'((icon-font-lock-keywords
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icon-font-lock-keywords-1 icon-font-lock-keywords-2)
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nil nil ((?_ . "w")) beginning-of-defun
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;; Obsoleted by Emacs 19.35 parse-partial-sexp's COMMENTSTOP.
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;(font-lock-comment-start-regexp . "#")
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(font-lock-mark-block-function . mark-defun)))
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;; imenu support
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(make-local-variable 'imenu-generic-expression)
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(setq imenu-generic-expression icon-imenu-generic-expression)
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;; hideshow support
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;; we start from the assertion that `hs-special-modes-alist' is autoloaded.
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(unless (assq 'icon-mode hs-special-modes-alist)
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(setq hs-special-modes-alist
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(cons '(icon-mode "\\<procedure\\>" "\\<end\\>" nil
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icon-forward-sexp-function)
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hs-special-modes-alist)))
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(run-hooks 'icon-mode-hook))
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;; This is used by indent-for-comment to decide how much to
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;; indent a comment in Icon code based on its context.
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(defun icon-comment-indent ()
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(if (looking-at "^#") 0 comment-column))
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(defun electric-icon-brace (arg)
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"Insert character and correct line's indentation."
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(interactive "P")
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(let (insertpos)
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(if (and (not arg)
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(eolp)
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(or (save-excursion
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(skip-chars-backward " \t")
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(bolp))
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(if icon-auto-newline
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(progn (icon-indent-line) (newline) t)
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nil)))
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(progn
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(insert last-command-char)
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(icon-indent-line)
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(if icon-auto-newline
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(progn
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(newline)
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;; (newline) may have done auto-fill
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(setq insertpos (- (point) 2))
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(icon-indent-line)))
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(save-excursion
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(if insertpos (goto-char (1+ insertpos)))
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(delete-char -1))))
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(if insertpos
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(save-excursion
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(goto-char insertpos)
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(self-insert-command (prefix-numeric-value arg)))
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(self-insert-command (prefix-numeric-value arg)))))
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(defun icon-indent-command (&optional whole-exp)
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"Indent current line as Icon code, or in some cases insert a tab character.
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If `icon-tab-always-indent' is non-nil (the default), always indent current
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line. Otherwise, indent the current line only if point is at the left margin
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or in the line's indentation; otherwise insert a tab.
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A numeric argument, regardless of its value, means indent rigidly all the
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lines of the expression starting after point so that this line becomes
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properly indented. The relative indentation among the lines of the
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expression are preserved."
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(interactive "P")
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(if whole-exp
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;; If arg, always indent this line as Icon
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;; and shift remaining lines of expression the same amount.
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(let ((shift-amt (icon-indent-line))
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beg end)
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(save-excursion
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(if icon-tab-always-indent
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(beginning-of-line))
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(setq beg (point))
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(forward-sexp 1)
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(setq end (point))
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(goto-char beg)
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(forward-line 1)
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(setq beg (point)))
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(if (> end beg)
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(indent-code-rigidly beg end shift-amt "#")))
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(if (and (not icon-tab-always-indent)
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(save-excursion
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(skip-chars-backward " \t")
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(not (bolp))))
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(insert-tab)
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(icon-indent-line))))
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(defun icon-indent-line ()
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"Indent current line as Icon code.
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Return the amount the indentation changed by."
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(let ((indent (calculate-icon-indent nil))
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beg shift-amt
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(case-fold-search nil)
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(pos (- (point-max) (point))))
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(beginning-of-line)
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(setq beg (point))
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(cond ((eq indent nil)
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(setq indent (current-indentation)))
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((looking-at "^#")
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(setq indent 0))
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(t
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(skip-chars-forward " \t")
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(if (listp indent) (setq indent (car indent)))
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(cond ((and (looking-at "else\\b")
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(not (looking-at "else\\s_")))
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(setq indent (save-excursion
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(icon-backward-to-start-of-if)
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(current-indentation))))
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((or (= (following-char) ?})
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(looking-at "end\\b"))
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(setq indent (- indent icon-indent-level)))
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((= (following-char) ?{)
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(setq indent (+ indent icon-brace-offset))))))
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(skip-chars-forward " \t")
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(setq shift-amt (- indent (current-column)))
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(if (zerop shift-amt)
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(if (> (- (point-max) pos) (point))
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(goto-char (- (point-max) pos)))
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(delete-region beg (point))
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(indent-to indent)
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;; If initial point was within line's indentation,
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;; position after the indentation. Else stay at same point in text.
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(if (> (- (point-max) pos) (point))
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(goto-char (- (point-max) pos))))
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shift-amt))
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(defun calculate-icon-indent (&optional parse-start)
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"Return appropriate indentation for current line as Icon code.
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In usual case returns an integer: the column to indent to.
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Returns nil if line starts inside a string, t if in a comment."
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(save-excursion
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(beginning-of-line)
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(let ((indent-point (point))
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(case-fold-search nil)
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state
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containing-sexp
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toplevel)
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(if parse-start
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(goto-char parse-start)
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(setq toplevel (beginning-of-icon-defun)))
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(while (< (point) indent-point)
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(setq parse-start (point))
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(setq state (parse-partial-sexp (point) indent-point 0))
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(setq containing-sexp (car (cdr state))))
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(cond ((or (nth 3 state) (nth 4 state))
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;; return nil or t if should not change this line
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(nth 4 state))
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((and containing-sexp
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(/= (char-after containing-sexp) ?{))
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;; line is expression, not statement:
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;; indent to just after the surrounding open.
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(goto-char (1+ containing-sexp))
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(current-column))
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(t
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(if toplevel
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;; Outside any procedures.
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(progn (icon-backward-to-noncomment (point-min))
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(if (icon-is-continuation-line)
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icon-continued-statement-offset 0))
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;; Statement level.
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(if (null containing-sexp)
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(progn (beginning-of-icon-defun)
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(setq containing-sexp (point))))
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(goto-char indent-point)
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;; Is it a continuation or a new statement?
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;; Find previous non-comment character.
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(icon-backward-to-noncomment containing-sexp)
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;; Now we get the answer.
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(if (icon-is-continuation-line)
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;; This line is continuation of preceding line's statement;
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;; indent icon-continued-statement-offset more than the
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;; first line of the statement.
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(progn
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(icon-backward-to-start-of-continued-exp containing-sexp)
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(+ icon-continued-statement-offset (current-column)
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(if (save-excursion (goto-char indent-point)
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(skip-chars-forward " \t")
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(eq (following-char) ?{))
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icon-continued-brace-offset 0)))
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;; This line starts a new statement.
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;; Position following last unclosed open.
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(goto-char containing-sexp)
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;; Is line first statement after an open-brace?
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(or
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;; If no, find that first statement and indent like it.
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(save-excursion
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(if (looking-at "procedure\\s ")
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(forward-sexp 3)
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(forward-char 1))
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(while (progn (skip-chars-forward " \t\n")
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(looking-at "#"))
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;; Skip over comments following openbrace.
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(forward-line 1))
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;; The first following code counts
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;; if it is before the line we want to indent.
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(and (< (point) indent-point)
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(current-column)))
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;; If no previous statement,
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;; indent it relative to line brace is on.
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;; For open brace in column zero, don't let statement
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;; start there too. If icon-indent-level is zero,
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;; use icon-brace-offset + icon-continued-statement-offset
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;; instead.
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;; For open-braces not the first thing in a line,
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;; add in icon-brace-imaginary-offset.
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(+ (if (and (bolp) (zerop icon-indent-level))
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(+ icon-brace-offset
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icon-continued-statement-offset)
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icon-indent-level)
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;; Move back over whitespace before the openbrace.
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;; If openbrace is not first nonwhite thing on the line,
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;; add the icon-brace-imaginary-offset.
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(progn (skip-chars-backward " \t")
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(if (bolp) 0 icon-brace-imaginary-offset))
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;; Get initial indentation of the line we are on.
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(current-indentation))))))))))
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;; List of words to check for as the last thing on a line.
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;; If cdr is t, next line is a continuation of the same statement,
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;; if cdr is nil, next line starts a new (possibly indented) statement.
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(defconst icon-resword-alist
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'(("by" . t) ("case" . t) ("create") ("do") ("dynamic" . t) ("else")
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("every" . t) ("if" . t) ("global" . t) ("initial" . t)
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("link" . t) ("local" . t) ("of") ("record" . t) ("repeat" . t)
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("static" . t) ("then") ("to" . t) ("until" . t) ("while" . t)))
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(defun icon-is-continuation-line ()
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(let* ((ch (preceding-char))
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(ch-syntax (char-syntax ch)))
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(if (eq ch-syntax ?w)
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(assoc (buffer-substring
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(progn (forward-word -1) (point))
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(progn (forward-word 1) (point)))
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icon-resword-alist)
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(not (memq ch '(0 ?\; ?\} ?\{ ?\) ?\] ?\" ?\' ?\# ?\, ?\. ?\n))))))
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(defun icon-backward-to-noncomment (lim)
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(let (opoint stop)
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(while (not stop)
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(skip-chars-backward " \t\n\f" lim)
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(setq opoint (point))
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(beginning-of-line)
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(if (and (nth 5 (parse-partial-sexp (point) opoint))
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(< lim (point)))
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(search-backward "#")
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(setq stop t)))))
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(defun icon-backward-to-start-of-continued-exp (lim)
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(if (memq (preceding-char) '(?\) ?\]))
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(forward-sexp -1))
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(beginning-of-line)
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(skip-chars-forward " \t")
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(cond
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((<= (point) lim) (goto-char (1+ lim)))
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((not (icon-is-continued-line)) 0)
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((and (eq (char-syntax (following-char)) ?w)
|
||
(cdr
|
||
(assoc (buffer-substring (point)
|
||
(save-excursion (forward-word 1) (point)))
|
||
icon-resword-alist))) 0)
|
||
(t (end-of-line 0) (icon-backward-to-start-of-continued-exp lim))))
|
||
|
||
(defun icon-is-continued-line ()
|
||
(save-excursion
|
||
(end-of-line 0)
|
||
(icon-is-continuation-line)))
|
||
|
||
(defun icon-backward-to-start-of-if (&optional limit)
|
||
"Move to the start of the last \"unbalanced\" if."
|
||
(or limit (setq limit (save-excursion (beginning-of-icon-defun) (point))))
|
||
(let ((if-level 1)
|
||
(case-fold-search nil))
|
||
(while (not (zerop if-level))
|
||
(backward-sexp 1)
|
||
(cond ((looking-at "else\\b")
|
||
(setq if-level (1+ if-level)))
|
||
((looking-at "if\\b")
|
||
(setq if-level (1- if-level)))
|
||
((< (point) limit)
|
||
(setq if-level 0)
|
||
(goto-char limit))))))
|
||
|
||
(defun mark-icon-function ()
|
||
"Put mark at end of Icon function, point at beginning."
|
||
(interactive)
|
||
(push-mark (point))
|
||
(end-of-icon-defun)
|
||
(push-mark (point))
|
||
(beginning-of-line 0)
|
||
(beginning-of-icon-defun))
|
||
|
||
(defun beginning-of-icon-defun ()
|
||
"Go to the start of the enclosing procedure; return t if at top level."
|
||
(interactive)
|
||
(if (re-search-backward "^procedure\\s \\|^end[ \t\n]" (point-min) 'move)
|
||
(looking-at "e")
|
||
t))
|
||
|
||
(defun end-of-icon-defun ()
|
||
(interactive)
|
||
(if (not (bobp)) (forward-char -1))
|
||
(re-search-forward "\\(\\s \\|^\\)end\\(\\s \\|$\\)" (point-max) 'move)
|
||
(forward-word -1)
|
||
(forward-line 1))
|
||
|
||
(defun indent-icon-exp ()
|
||
"Indent each line of the Icon grouping following point."
|
||
(interactive)
|
||
(let ((indent-stack (list nil))
|
||
(contain-stack (list (point)))
|
||
(case-fold-search nil)
|
||
restart outer-loop-done inner-loop-done state ostate
|
||
this-indent last-sexp last-depth
|
||
at-else at-brace at-do
|
||
(opoint (point))
|
||
(next-depth 0))
|
||
(save-excursion
|
||
(forward-sexp 1))
|
||
(save-excursion
|
||
(setq outer-loop-done nil)
|
||
(while (and (not (eobp)) (not outer-loop-done))
|
||
(setq last-depth next-depth)
|
||
;; Compute how depth changes over this line
|
||
;; plus enough other lines to get to one that
|
||
;; does not end inside a comment or string.
|
||
;; Meanwhile, do appropriate indentation on comment lines.
|
||
(setq inner-loop-done nil)
|
||
(while (and (not inner-loop-done)
|
||
(not (and (eobp) (setq outer-loop-done t))))
|
||
(setq ostate state)
|
||
(setq state (parse-partial-sexp (point) (progn (end-of-line) (point))
|
||
nil nil state))
|
||
(setq next-depth (car state))
|
||
(if (and (car (cdr (cdr state)))
|
||
(>= (car (cdr (cdr state))) 0))
|
||
(setq last-sexp (car (cdr (cdr state)))))
|
||
(if (or (nth 4 ostate))
|
||
(icon-indent-line))
|
||
(if (or (nth 3 state))
|
||
(forward-line 1)
|
||
(setq inner-loop-done t)))
|
||
(if (<= next-depth 0)
|
||
(setq outer-loop-done t))
|
||
(if outer-loop-done
|
||
nil
|
||
(if (/= last-depth next-depth)
|
||
(setq last-sexp nil))
|
||
(while (> last-depth next-depth)
|
||
(setq indent-stack (cdr indent-stack)
|
||
contain-stack (cdr contain-stack)
|
||
last-depth (1- last-depth)))
|
||
(while (< last-depth next-depth)
|
||
(setq indent-stack (cons nil indent-stack)
|
||
contain-stack (cons nil contain-stack)
|
||
last-depth (1+ last-depth)))
|
||
(if (null (car contain-stack))
|
||
(setcar contain-stack (or (car (cdr state))
|
||
(save-excursion (forward-sexp -1)
|
||
(point)))))
|
||
(forward-line 1)
|
||
(skip-chars-forward " \t")
|
||
(if (eolp)
|
||
nil
|
||
(if (and (car indent-stack)
|
||
(>= (car indent-stack) 0))
|
||
;; Line is on an existing nesting level.
|
||
;; Lines inside parens are handled specially.
|
||
(if (/= (char-after (car contain-stack)) ?{)
|
||
(setq this-indent (car indent-stack))
|
||
;; Line is at statement level.
|
||
;; Is it a new statement? Is it an else?
|
||
;; Find last non-comment character before this line
|
||
(save-excursion
|
||
(setq at-else (looking-at "else\\W"))
|
||
(setq at-brace (= (following-char) ?{))
|
||
(icon-backward-to-noncomment opoint)
|
||
(if (icon-is-continuation-line)
|
||
;; Preceding line did not end in comma or semi;
|
||
;; indent this line icon-continued-statement-offset
|
||
;; more than previous.
|
||
(progn
|
||
(icon-backward-to-start-of-continued-exp (car contain-stack))
|
||
(setq this-indent
|
||
(+ icon-continued-statement-offset (current-column)
|
||
(if at-brace icon-continued-brace-offset 0))))
|
||
;; Preceding line ended in comma or semi;
|
||
;; use the standard indent for this level.
|
||
(if at-else
|
||
(progn (icon-backward-to-start-of-if opoint)
|
||
(setq this-indent (current-indentation)))
|
||
(setq this-indent (car indent-stack))))))
|
||
;; Just started a new nesting level.
|
||
;; Compute the standard indent for this level.
|
||
(let ((val (calculate-icon-indent
|
||
(if (car indent-stack)
|
||
(- (car indent-stack))))))
|
||
(setcar indent-stack
|
||
(setq this-indent val))))
|
||
;; Adjust line indentation according to its contents
|
||
(if (or (= (following-char) ?})
|
||
(looking-at "end\\b"))
|
||
(setq this-indent (- this-indent icon-indent-level)))
|
||
(if (= (following-char) ?{)
|
||
(setq this-indent (+ this-indent icon-brace-offset)))
|
||
;; Put chosen indentation into effect.
|
||
(or (= (current-column) this-indent)
|
||
(progn
|
||
(delete-region (point) (progn (beginning-of-line) (point)))
|
||
(indent-to this-indent)))
|
||
;; Indent any comment following the text.
|
||
(or (looking-at comment-start-skip)
|
||
(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+\\)?"
|
||
(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.
|
||
(cons
|
||
(regexp-opt '("null" "string" "co-expression" "table" "integer"
|
||
"cset" "set" "real" "file" "list") 'words)
|
||
'font-lock-type-face)
|
||
;; Fontify all keywords.
|
||
;;
|
||
(cons
|
||
(regexp-opt
|
||
'("break" "do" "next" "repeat" "to" "by" "else" "if" "not" "return"
|
||
"until" "case" "of" "while" "create" "every" "suspend" "default"
|
||
"fail" "record" "then") 'words)
|
||
'font-lock-keyword-face)
|
||
;; "end" "initial"
|
||
(cons (regexp-opt '("end" "initial") 'words)
|
||
'font-lock-builtin-face)
|
||
;; Fontify all system variables.
|
||
(cons
|
||
(regexp-opt
|
||
'("&allocated" "&ascii" "&clock" "&col" "&collections" "&column"
|
||
"&control" "&cset" "¤t" "&date" "&dateline" "&digits" "&dump"
|
||
"&e" "&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") t)
|
||
'font-lock-constant-face)
|
||
(cons ;; global local static declarations and link files
|
||
(concat
|
||
"^[ \t]*"
|
||
(regexp-opt '("global" "link" "local" "static") t)
|
||
"\\(\\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)))))
|
||
|
||
(cons ;; $define $elif $ifdef $ifndef $undef
|
||
(concat "^"
|
||
(regexp-opt'("$define" "$elif" "$ifdef" "$ifndef" "$undef") t)
|
||
"\\>[ \t]*\\([^ \t\n]+\\)?")
|
||
'((1 font-lock-builtin-face)
|
||
(4 font-lock-variable-name-face nil t)))
|
||
(cons ;; $dump $endif $else $include
|
||
(concat
|
||
"^" (regexp-opt'("$dump" "$endif" "$else" "$include") t) "\\>" )
|
||
'font-lock-builtin-face)
|
||
(cons ;; $warning $error
|
||
(concat "^" (regexp-opt '("$warning" "$error") t)
|
||
"\\>[ \t]*\\(.+\\)?")
|
||
'((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)
|
||
(beginning-of-icon-defun)
|
||
(end-of-icon-defun)
|
||
(forward-char -1)))
|
||
|
||
(provide 'icon)
|
||
|
||
;;; arch-tag: 8abf8c99-e7df-44af-a58f-ef5ed2ee52cb
|
||
;;; icon.el ends here
|