[PATCH] D23006: [clang-rename] add basic Emacs integration

[Kirill Bobyrev via cfe-commits]

omtcyfz created this revision.
omtcyfz added reviewers: bkramer, alexfh, klimek.
omtcyfz added a subscriber: cfe-commits.

This patch aims to add very basic Emacs integration. My experience with Emacs is limited to few days, so I'm not sure whether I've done things correctly.

https://reviews.llvm.org/D23006

Files:
  clang-rename/tool/clang-rename.el

Index: clang-rename/tool/clang-rename.el
===================================================================
--- /dev/null
+++ clang-rename/tool/clang-rename.el
@@ -0,0 +1,46 @@
+;;; clang-rename.el --- Renames every occurrence of a symbol found at <offset>.
+
+;; Keywords: tools, c
+
+;;; Commentary:
+
+;; This package allows to filter code through clang-format to fix its formatting.
+;; clang-format is a tool that formats C/C++/Obj-C code according to a set of
+;; style options, see <http://clang.llvm.org/docs/ClangFormatStyleOptions.html>.
+;; Note that clang-format 3.4 or newer is required.
+
+;; To install clang-rename.el make sure the directory of this file is in your
+;; 'load-path' and add
+;;
+;;   (require 'clang-rename)
+;;
+;; to your .emacs configureation.
+
+;;; Code:
+
+(defvar clang-rename-binary "clang-rename")
+
+(defun clang-rename (new-name)
+  "Rename all instances of the symbol at the point using clang-rename"
+  (interactive "sEnter a new name: ")
+  (let (;; Emacs offset is 1-based.
+        (offset (- (point) 1))
+        (orig-buf (current-buffer))
+        (file-name (buffer-file-name)))
+
+    (let ((rename-command
+          (format "bash -f -c '%s -offset=%s -new-name=%s -i %s'"
+                               clang-rename-binary offset new-name file-name)))
+          (message (format "Running clang-rename command %s" rename-command))
+          ;; Run clang-rename via bash.
+          (shell-command rename-command)
+          ;; Reload buffer.
+          (interactive)
+          (revert-buffer t t)
+    )
+  )
+)
+
+(provide 'clang-rename)
+
+;;; clang-rename.el ends here


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