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;;; systemtap-mode.el --- A mode for SystemTap
;; Copyright (C) 2008, 2020 Tomoki Sekiyama <sekiyama@yahoo.co.jp>
;; Copyright (C) 2012 Rüdiger Sonderfeld <ruediger@c-plusplus.de>
;; Authors: 2008 Tomoki Sekiyama
;; 2012 Rüdiger Sonderfeld
;; Maintainer: ruediger@c-plusplus.de
;; Keywords: tools languages
;; Version: 0.02
;; URL: https://github.com/ruediger/systemtap-mode
;; This file is NOT part of GNU Emacs.
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2 of the License, or
;; (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; This code is based on the original systemtap-mode.el written by
;; Tomoki Sekiyama. It can be found at
;; http://coderepos.org/share/browser/lang/elisp/systemtap-mode/systemtap-mode.el?format=txt
;; TODO:
;; - indent embedded-C %{ ... %} correctly
;; - add parameter for indentation
;; - ...
;;; Code:
(defconst systemtap-mode-version "0.02"
"SystemTap Mode version number.")
(defgroup systemtap-mode nil
"A mode for SystemTap."
:prefix "systemtap-"
:group 'tools
:group 'languages)
(require 'cc-mode)
(require 'cc-awk)
(eval-when-compile
(require 'cc-langs)
(require 'cc-fonts)
(require 'cl-lib))
(eval-and-compile
(c-add-language 'systemtap-mode 'awk-mode))
;; Syntax definitions for SystemTap
(c-lang-defconst c-primitive-type-kwds
systemtap '("string" "long" "global" "private"))
(c-lang-defconst c-modifier-kwds
systemtap (append '("probe" "function") (c-lang-const c-modifier-kwds)))
(c-lang-defconst c-block-stmt-2-kwds
systemtap '("else" "for" "foreach" "if" "while"))
(c-lang-defconst c-simple-stmt-kwds
systemtap '("break" "continue" "delete" "next" "return"))
(c-lang-defconst c-identifier-syntax-modifications
systemtap '((?. . "_") (?' . ".")))
(defcustom systemtap-font-lock-extra-types nil
"Font-lock extra types for SystemTap mode."
:group 'systemtap-mode)
(defconst systemtap-font-lock-keywords-1 (c-lang-const c-matchers-1 systemtap)
"Minimal highlighting for SystemTap mode.")
(defconst systemtap-font-lock-keywords-2 (c-lang-const c-matchers-2 systemtap)
"Fast normal highlighting for SystemTap mode.")
(defconst systemtap-font-lock-keywords-3 (c-lang-const c-matchers-3 systemtap)
"Accurate normal highlighting for SystemTap mode.")
(defvar systemtap-font-lock-keywords systemtap-font-lock-keywords-3
"Default expressions to highlight in SystemTap mode.")
(defvar systemtap-mode-syntax-table nil
"Syntax table used in systemtap-mode buffers.")
(unless systemtap-mode-syntax-table
(setq systemtap-mode-syntax-table
(funcall (c-lang-const c-make-mode-syntax-table systemtap))))
(defvar systemtap-mode-abbrev-table nil
"Abbreviation table used in systemtap-mode buffers.")
(defvar systemtap-mode-map
(let ((map (c-make-inherited-keymap)))
(define-key map "\C-ce" 'systemtap-execute-script)
(define-key map "\C-cc" 'systemtap-interrupt-script)
map)
"Keymap used in systemtap-mode buffers.")
(easy-menu-define systemtap-menu systemtap-mode-map "SystemTap Mode Commands"
(cons "SystemTap"
(append
'(["Execute This Script" systemtap-execute-script t]
["Interrupt Execution of Script" systemtap-interrupt-script (get-process "systemtap-script")]
"----")
(c-lang-const c-mode-menu systemtap))))
;; Execution function of Current Script
(defvar systemtap-buffer-name "*SystemTap*"
"Name of the SystemTap execution buffer.")
(defcustom systemtap-stap-program "stap"
"SystemTap's stap program to execute scripts."
:type 'file
:group 'systemtap-mode)
(defcustom systemtap-stap-options '("-v")
"A list of options to give to stap."
:type '(repeat string)
:group 'systemtap-mode)
(defun systemtap-execute-script ()
"Execute current SystemTap script."
(interactive)
(when (get-buffer systemtap-buffer-name)
(kill-buffer systemtap-buffer-name))
(get-buffer-create systemtap-buffer-name)
(display-buffer systemtap-buffer-name)
(let* ((file-name (buffer-file-name))
(options (append systemtap-stap-options (list file-name))))
(apply #'start-process "systemtap-script" systemtap-buffer-name
systemtap-stap-program options))
(message "Execution of SystemTap script started."))
(defun systemtap-interrupt-script ()
"Interrupt running SystemTap script."
(interactive)
(interrupt-process "systemtap-script")
(message "SystemTap script is interrupted."))
(add-to-list 'auto-mode-alist '("\\.stp\\'" . systemtap-mode))
(add-to-list 'auto-mode-alist '("\\.stpm\\'" . systemtap-mode))
(require 'simple)
(define-derived-mode systemtap-mode prog-mode "SystemTap"
"Major mode for editing SystemTap scripts.
Key bindings:
\\{systemtap-mode-map}"
:group 'systemtap
:syntax-table systemtap-mode-syntax-table
:abbrev-table systemtap-mode-abbrev-table
(c-initialize-cc-mode t)
(use-local-map systemtap-mode-map)
(c-init-language-vars systemtap-mode)
(c-common-init 'systemtap-mode)
(easy-menu-add systemtap-menu)
(c-run-mode-hooks 'c-mode-common-hook)
(set (make-local-variable 'comment-start) "#")
(c-update-modeline))
(provide 'systemtap-mode)
;;; systemtap-mode.el ends here
|
