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Diffstat (limited to 'src/jaegertracing/thrift/contrib/thrift.el')
| -rw-r--r-- | src/jaegertracing/thrift/contrib/thrift.el | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/contrib/thrift.el b/src/jaegertracing/thrift/contrib/thrift.el new file mode 100644 index 000000000..941a99fe4 --- /dev/null +++ b/src/jaegertracing/thrift/contrib/thrift.el @@ -0,0 +1,140 @@ +;;; thrift.el --- Major mode for Apache Thrift files + +;; Keywords: files + +;; Licensed to the Apache Software Foundation (ASF) under one +;; or more contributor license agreements. See the NOTICE file +;; distributed with this work for additional information +;; regarding copyright ownership. The ASF licenses this file +;; to you under the Apache License, Version 2.0 (the +;; "License"); you may not use this file except in compliance +;; with the License. You may obtain a copy of the License at +;; +;; http://www.apache.org/licenses/LICENSE-2.0 +;; +;; Unless required by applicable law or agreed to in writing, +;; software distributed under the License is distributed on an +;; "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +;; KIND, either express or implied. See the License for the +;; specific language governing permissions and limitations +;; under the License. +;; + +;;; Commentary: + +;; + +;;; Code: + +(require 'font-lock) + +(defvar thrift-mode-hook nil) +;;;###autoload +(add-to-list 'auto-mode-alist '("\\.thrift\\'" . thrift-mode)) + +(defvar thrift-indent-level 2 + "Defines 2 spaces for thrift indentation.") + +;; syntax coloring +(defconst thrift-font-lock-keywords + (list + '("\\<\\(include\\|struct\\|exception\\|typedef\\|const\\|enum\\|service\\|extends\\|void\\|oneway\\|throws\\|optional\\|required\\)\\>" . font-lock-keyword-face) ;; keywords + '("\\<\\(bool\\|byte\\|i16\\|i32\\|i64\\|double\\|string\\|binary\\|map\\|list\\|set\\)\\>" . font-lock-type-face) ;; built-in types + '("\\<\\([0-9]+\\)\\>" . font-lock-variable-name-face) ;; ordinals + '("\\<\\(\\w+\\)\\s-*(" (1 font-lock-function-name-face)) ;; functions + ) + "Thrift Keywords.") + +;; 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))))) + +;; C/C++- and sh-style 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 ?# "<" thrift-mode-syntax-table) ; sh-style comments + (modify-syntax-entry ?/ ". 124" thrift-mode-syntax-table) ; c/c++-style comments + (modify-syntax-entry ?* ". 23b" thrift-mode-syntax-table) + (modify-syntax-entry ?\n ">" thrift-mode-syntax-table) + thrift-mode-syntax-table) + "Syntax table for thrift-mode") + +;;;###autoload +(defun thrift-mode () + "Mode for editing Thrift 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") + (run-hooks 'thrift-mode-hook) + (set (make-local-variable 'indent-line-function) 'thrift-indent-line) + ) + +(provide 'thrift) +;;; thrift.el ends here + |