Thrift now a TLP - INFRA-3116
git-svn-id: https://svn.apache.org/repos/asf/thrift/branches/0.1.x@1028168 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/contrib/thrift.el b/contrib/thrift.el
new file mode 100644
index 0000000..cd3e0e8
--- /dev/null
+++ b/contrib/thrift.el
@@ -0,0 +1,126 @@
+;;
+;; 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.
+;;
+
+(require 'font-lock)
+
+(defvar thrift-mode-hook nil)
+(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
+ '("#.*$" . font-lock-comment-face) ;; perl style comments
+ '("\\<\\(include\\|struct\\|exception\\|typedef\\|const\\|enum\\|service\\|extends\\|void\\|oneway\\|throws\\|optional\\|required\\)\\>" . font-lock-keyword-face) ;; keywords
+ '("\\<\\(bool\\|byte\\|i16\\|i32\\|i64\\|double\\|string\\|binary\\|map\\|list\\|set\\)\\>" . font-lock-type-face) ;; built-in types
+ '("\\<\\([0-9]+\\)\\>" . font-lock-variable-name-face) ;; ordinals
+ '("\\<\\(\\w+\\)\\s-*(" (1 font-lock-function-name-face)) ;; functions
+ )
+ "Thrift Keywords")
+
+;; indentation
+(defun thrift-indent-line ()
+ "Indent current line as Thrift code."
+ (interactive)
+ (beginning-of-line)
+ (if (bobp)
+ (indent-line-to 0)
+ (let ((not-indented t) cur-indent)
+ (if (looking-at "^[ \t]*\\(}\\|throws\\)")
+ (if (looking-at "^[ \t]*}")
+ (progn
+ (save-excursion
+ (forward-line -1)
+ (setq cur-indent (- (current-indentation) thrift-indent-level)))
+ (if (< cur-indent 0)
+ (setq cur-indent 0)))
+ (progn
+ (save-excursion
+ (forward-line -1)
+ (if (looking-at "^[ \t]*[\\.<>[:word:]]+[ \t]+[\\.<>[:word:]]+[ \t]*(")
+ (setq cur-indent (+ (current-indentation) thrift-indent-level))
+ (setq cur-indent (current-indentation))))))
+ (save-excursion
+ (while not-indented
+ (forward-line -1)
+ (if (looking-at "^[ \t]*}")
+ (progn
+ (setq cur-indent (current-indentation))
+ (setq not-indented nil))
+ (if (looking-at "^.*{[^}]*$")
+ (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++ 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 ?/ ". 1456" 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")
+
+(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-mode)