[include-fixer] Add customized editor settings documents.

Reviewers: bkramer

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D24719

llvm-svn: 282480

clang-tools-extra/docs/include-fixer.rst

@@ -81,13 +81,40 @@ Make sure vim can find :program:`clang-include-fixer`:
 You can customize the number of headers being shown by setting
 ``let g:clang_include_fixer_maximum_suggested_headers=5``
 
+Customized settings in `.vimrc`:
+
+- ``let g:clang_include_fixer_path = "clang-include-fixer"``
+
+  Set clang-include-fixer binary file path.
+
+- ``let g:clang_include_fixer_maximum_suggested_headers = 3``
+
+  Set the maximum number of ``#includes`` to show. Default is 3.
+
+- ``let g:clang_include_fixer_increment_num = 5``
+
+  Set the increment number of #includes to show every time when pressing ``m``.
+  Default is 5.
+
+- ``let g:clang_include_fixer_jump_to_include = 0``
+
+  Set to 1 if you want to jump to the new inserted ``#include`` line. Default is
+  0.
+
+- ``let g:clang_include_fixer_query_mode = 0``
+
+  Set to 1 if you want to insert ``#include`` for the symbol under the cursor.
+  Default is 0. Compared to normal mode, this mode won't parse the source file
+  and only search the sysmbol from database, which is faster than normal mode.
+
 See ``clang-include-fixer.py`` for more details.
 
 Integrate with Emacs
 --------------------
 To run `clang-include-fixer` on a potentially unsaved buffer in Emacs.
-Ensure that Emacs finds ``clang-include-fixer.el`` by adding the directory containing the file to the ``load-path``
-and requiring the `clang-include-fixer` in your ```.emacs``:
+Ensure that Emacs finds ``clang-include-fixer.el`` by adding the directory
+containing the file to the ``load-path`` and requiring the `clang-include-fixer`
+in your ``.emacs``:
 
 .. code-block:: console
 
@@ -100,6 +127,19 @@ Make sure Emacs can find :program:`clang-include-fixer`:
 
 - Add the path to :program:`clang-include-fixer` to the PATH environment variable.
 
+Customized settings in `.emacs`:
+
+- ``(custom-set-variables '(clang-include-fixer-executable "/path/to/include-fixer"))``
+
+  Set clang-include-fixer binary file path.
+
+- ``(custom-set-variables '(clang-include-fixer-query-mode t))``
+
+  Set to `t` if you want to insert ``#include`` for the symbol under the cursor.
+  Default is `nil`. Compared to normal mode, this mode won't parse the source
+  file and only search the sysmbol from database, which is faster than normal
+  mode.
+
 See ``clang-include-fixer.el`` for more details.
 
 How it Works