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.
Installation:
: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.
OR
Clone this repo, build and run ClangFormat, restart Xcode.
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.
Usage:
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.
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
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