From b5f93b0b3a3c57ce6ff75f37120688276512c869 Mon Sep 17 00:00:00 2001
From: Mark Slee <mcslee@apache.org>
Date: Fri, 11 May 2007 23:46:42 +0000
Subject: [PATCH] Haiping made an emacs .el file for Thrift

Summary: Now that is just awesome.

Reviewed By: haiping

Test Plan: Use it or lose it.


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665108 13f79535-47bb-0310-9956-ffa450edef68
---
 thrift.el | 107 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 thrift.el

diff --git a/thrift.el b/thrift.el
new file mode 100644
index 00000000..20ee915e
--- /dev/null
+++ b/thrift.el
@@ -0,0 +1,107 @@
+(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
+   '("#.*$" . font-lock-comment-face)  ;; perl style comments
+   '("\\<\\(include\\|struct\\|exception\\|typedef\\|cpp_namespace\\|java_package\\|php_namespace\\|const\\|enum\\|service\\|extends\\|void\\|async\\|throws\\)\\>" . font-lock-keyword-face)  ;; keywords
+   '("\\<\\(bool\\|byte\\|i16\\|i32\\|i64\\|double\\|string\\|binary\\|map\\|list\\|set\\)\\>" . font-lock-type-face)  ;; built-in types
+   '("\\<\\([0-9]+\\)\\>" . font-lock-variable-name-face)   ;; ordinals
+   '("\\<\\(\\w+\\)\\s-*(" (1 font-lock-function-name-face))  ;; functions
+   )
+  "Thrift Keywords")
+
+;; indentation
+(defun thrift-indent-line ()
+  "Indent current line as Thrift code."
+  (interactive)
+  (beginning-of-line)
+  (if (bobp)
+      (indent-line-to 0)
+    (let ((not-indented t) cur-indent)
+      (if (looking-at "^[ \t]*\\(}\\|throws\\)")
+          (if (looking-at "^[ \t]*}")
+              (progn
+                (save-excursion
+                  (forward-line -1)
+                  (setq cur-indent (- (current-indentation) thrift-indent-level)))
+                (if (< cur-indent 0)
+                    (setq cur-indent 0)))
+            (progn
+              (save-excursion
+                (forward-line -1)
+                (if (looking-at "^[ \t]*[\\.<>[:word:]]+[ \t]+[\\.<>[:word:]]+[ \t]*(")
+                    (setq cur-indent (+ (current-indentation) thrift-indent-level))
+                  (setq cur-indent (current-indentation))))))
+        (save-excursion
+          (while not-indented
+            (forward-line -1)
+            (if (looking-at "^[ \t]*}")
+                (progn
+                  (setq cur-indent (current-indentation))
+                  (setq not-indented nil))
+              (if (looking-at "^.*{[^}]*$")
+                  (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 ?/ ". 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")
+ 
+(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)
-- 
2.17.1