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add thrift mode

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dougm committed Mar 7, 2013
1 parent e552b6e commit d7bda853f42e9e0ef8984727f853b097d8f665ff
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  1. +3 −0 custom/thrift.el
  2. +207 −0 vendor/thrift-mode.el
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+(autoload 'thrift-mode "thrift-mode" "Major mode for editing Thrift code." t)
+(add-to-list 'auto-mode-alist '("\.thrift$" . thrift-mode))
+
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+;;; thrift-mode.el --- Major mode for editing Thrift definition files
+
+;; Copyright (C) 2011 David Miller <david@deadpansincerity.com>
+;; Author: David Miller <david@deadpansincerity.com>
+;; Keywords: Thrift
+
+;; This file is NOT part of GNU Emacs
+
+;;; License
+
+;; This program is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU General Public License
+;; as published by the Free Software Foundation; either version 2
+;; of the License, or (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program; if not, write to the Free Software
+;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+;;
+;;; Commentary:
+;;
+;; This mode provides an editing environment for Thrift IDL files
+;; in Emacs.
+;;
+;;; Code:
+
+;; Requirements:
+(require 'font-lock)
+
+;;
+;; Thrift Functionality
+;;
+;; Commentary:
+;;
+;; Compile with C-c C-k
+;;
+
+(defun thrift-gen ()
+ "Generate the relevant thrift code"
+ (interactive)
+ (let ((cmd (concat "thrift --gen py "
+ (expand-file-name buffer-file-name))))
+ (message cmd)
+ (shell-command cmd))
+ (message (concat "Generating " buffer-file-name)))
+
+;;
+;; Syntax Highlighting
+;;
+;; Commentary:
+;;
+;; Highlight with font-lock faces
+;;
+(defconst thrift-font-lock-keywords
+ (list
+ '("#.*$" . font-lock-comment-face) ;; perl style comments
+ '("\\<\\(include\\|struct\\|union\\|namespace\\|exception\\|typedef\\|php_namespace\\|const\\|enum\\|service\\|extends\\|void\\|async\\|throws\\|optional\\|required\\)\\>" . font-lock-keyword-face) ;; keywords
+ '("\\<\\(b\\(?:inary\\|ool\\|yte\\)\\|double\\|i\\(?:16\\|32\\|64\\)\\|list\\|map\\|s\\(?:et\\|tring\\)\\)\\>" . font-lock-type-face) ;; built-in types
+ '("\\<[0-9]+: \\(\\w+\\)" (1 font-lock-type-face)) ;; typedeffed types
+ '("\\<\\(cpp\\|java\\|p\\(?:erl\\|hp\\|y\\)\\)" . font-lock-builtin-face) ;; langs
+ '("\\<\\([A-Z]\\w*\\)\\>" . font-lock-type-face) ;; typenames (unions & structs)
+ '("\\<\\([0-9]+\\)\\>" . font-lock-variable-name-face) ;; ordinals
+ '("\\<\\(\\w+\\)\\s-*(" (1 font-lock-function-name-face)) ;; functions
+ )
+ "Thrift regexps for font-lock")
+
+;; C/C++ comments; also allowing underscore in words
+(defvar thrift-mode-syntax-table
+ (let ((thrift-mode-syntax-table (make-syntax-table)))
+ (modify-syntax-entry ?_ "w" thrift-mode-syntax-table)
+ (modify-syntax-entry ?/ ". 124b" thrift-mode-syntax-table)
+ (modify-syntax-entry ?* ". 23" thrift-mode-syntax-table)
+ (modify-syntax-entry ?\n "> b" thrift-mode-syntax-table)
+ thrift-mode-syntax-table)
+ "Syntax table for thrift-mode")
+
+;;
+;; Editing environment
+;;
+;; Commentary:
+;;
+;; Set and provide Indentation levels and calculation.
+;; Provide Imenu integration
+;;
+(defvar thrift-indent-level 4
+ "Defines 4 spaces for thrift indentation.")
+
+(defun thrift-indent-line ()
+ "Indent current line as Thrift code."
+ (interactive)
+ (beginning-of-line)
+ (if (bobp)
+ (indent-line-to 0)
+ (let ((not-indented t) cur-indent)
+ (if (looking-at "^[ \t]*\\(}\\|throws\\)")
+ (if (looking-at "^[ \t]*}")
+ (progn
+ (save-excursion
+ (forward-line -1)
+ (setq cur-indent (- (current-indentation) thrift-indent-level)))
+ (if (< cur-indent 0)
+ (setq cur-indent 0)))
+ (progn
+ (save-excursion
+ (forward-line -1)
+ (if (looking-at "^[ \t]*[\\.<>[:word:]]+[ \t]+[\\.<>[:word:]]+[ \t]*(")
+ (setq cur-indent (+ (current-indentation) thrift-indent-level))
+ (setq cur-indent (current-indentation))))))
+ (save-excursion
+ (while not-indented
+ (forward-line -1)
+ (if (looking-at "^[ \t]*}")
+ (progn
+ (setq cur-indent (current-indentation))
+ (setq not-indented nil))
+ (if (looking-at "^.*{[^}]*$")
+ (progn
+ (setq cur-indent (+ (current-indentation) thrift-indent-level))
+ (setq not-indented nil))
+ (if (bobp)
+ (setq not-indented nil)))
+ (if (looking-at "^[ \t]*throws")
+ (progn
+ (setq cur-indent (- (current-indentation) thrift-indent-level))
+ (if (< cur-indent 0)
+ (setq cur-indent 0))
+ (setq not-indented nil))
+ (if (bobp)
+ (setq not-indented nil)))
+ (if (looking-at "^[ \t]*[\\.<>[:word:]]+[ \t]+[\\.<>[:word:]]+[ \t]*([^)]*$")
+ (progn
+ (setq cur-indent (+ (current-indentation) thrift-indent-level))
+ (setq not-indented nil))
+ (if (bobp)
+ (setq not-indented nil)))
+ (if (looking-at "^[ \t]*\\/\\*")
+ (progn
+ (setq cur-indent (+ (current-indentation) 1))
+ (setq not-indented nil))
+ (if (bobp)
+ (setq not-indented nil)))
+ (if (looking-at "^[ \t]*\\*\\/")
+ (progn
+ (setq cur-indent (- (current-indentation) 1))
+ (setq not-indented nil))
+ (if (bobp)
+ (setq not-indented nil)))
+ ))))
+ (if cur-indent
+ (indent-line-to cur-indent)
+ (indent-line-to 0)))))
+
+(defvar thrift-imenu-generic-expression
+ '(("service" "^service \\(.*\\) ?{" 1))
+ "Imenu Regexps for thrift mode")
+
+;;
+;; Keys
+;;
+;; Commentary:
+;;
+;; Provide the keymap for the mode - presently pretty sparse
+;;
+
+(defvar thrift-mode-map
+ (let ((map (make-keymap)))
+ (define-key map "\C-c\C-k" 'thrift-gen)
+ map)
+ "Keymap for THRIFT major mode")
+
+;;
+;; Thrift mode
+;;
+;; Commentary:
+;;
+;; Provide hooks, and mode function.
+;;
+;(define-mode-abbrev)
+
+(defvar thrift-mode-hook nil)
+
+(defun thrift-mode ()
+ "Major Mode for editing Thrift IDL files"
+ (interactive)
+ (kill-all-local-variables)
+ (set-syntax-table thrift-mode-syntax-table)
+ (set (make-local-variable 'font-lock-defaults) '(thrift-font-lock-keywords))
+ (setq major-mode 'thrift-mode)
+ (setq mode-name "Thrift")
+ (set (make-local-variable 'indent-line-function) 'thrift-indent-line)
+ (use-local-map thrift-mode-map)
+ (run-hooks 'thrift-mode-hook)
+ )
+
+;; Default hook, sets up Imenu
+(add-hook 'thrift-mode-hook '(lambda ()
+ (setq imenu-generic-expression
+ thrift-imenu-generic-expression)))
+
+(provide 'thrift-mode)
+;; code ends

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