Code Quality Rank: L5
Programming language: Objective-C
License: MIT License
Tags: Plugins     Xcode    

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An Xcode plug-in to format your code using Clang's format tools, by @travisjeffery.

With clang-format you can use Clang to format your code to styles such as LLVM, Google, Chromium, Mozilla, WebKit, or your own configuration.




:warning: From XCode 8+, unsigning is required in order to use community-made plugins. Check https://github.com/inket/update_xcode_plugins for more information.

Install via Alcatraz.


Clone this repo, build and run ClangFormat, restart Xcode.

Removing ClangFormat

To remove ClangFormat, run the following in your terminal:

rm -r "~/Library/Application Support/Developer/Shared/Xcode/Plug-ins/ClangFormat.xcplugin"

Or just find the same file and move it to the trash. You'll need to restart Xcode after deleting the plugin.


Format on save

I.e., you press command-s and the file is formatted and wrote to disk.

In the menu, open Edit > Clang Format > Click Format on save (a checkmark appears in this menu item indicicating that the feature is active.)

Assign keyboard shortcuts

You can assign your own keyboard shortcuts like so:

  • Open the System Preferences > Keyboard > Shortcuts > App Shortcuts > Click +
  • Set the application to be Xcode
  • Set the menu title to an action title, e.g. "Format File in Focus"
  • Set your shortcut

In this example, we'll format the active file when control-i is pressed.

assign keyboard shortcut

Using your own style configuration

By using Clang Format > File in the plug-in menu, Clang will look for the nearest .clang-format file from the input file. Most likely, you'll have a .clang-format file at the root of your project.

Here are the options for .clang-format and how they're configured. Here's a cool interactive website to help you make your .clang-format file.

If one of the built-in styles is close to what you want, you can bootstrap your own configuration with:

./bin/clang-format -style=llvm -dump-config > .clang-format

For example, this .clang-format is similar to the Linux Kernel style:

BasedOnStyle: LLVM
IndentWidth: 8
UseTab: Always
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false

And this is similar to Visual Studio's style:

UseTab: Never
IndentWidth: 4
BreakBeforeBraces: Allman
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
ColumnLimit: 0