CLion lets you reformat your code according to the requirements you've specified in the Code Style settings.
You can reformat a part of code, the whole file, group of files, a directory, and a module. You can also exclude part of code or some files from the reformatting.
Reformat a code fragment in a file
In the editor, select a code fragment you want to reformat.
From the main menu, selectCtrl+Alt+L.
Reformat a file
Either open your file in the editor and press Ctrl+Shift+Alt+L or in the Project tool window, right-click the file and select .
In the dialog that opens, if you need, select the following reformatting options:
Optimize imports: select this option if you want to remove unused imports, add missing ones, or organize import statements.
Clean up code: select this option to run the code cleanup inspections.
Reformat line indents
You can reformat line indents based on the specified settings.
Exclude code or a file from reformatting
You can exclude a group of files or part of code from reformatting.
On the Formatter Control tab, select the Enable formatter markers in comments checkbox. The Scope area becomes active
In the Scope area, click to add a scope where you can specify files that you want to exclude from reformatting.
If you try reformatting the excluded file, CLion displays a popup notifying you that formatting for this file is disabled. If you need, click the link in the popup to open the Code Style settings page and change the exclusion scope.
Exclude code fragments from reformatting in the editor
In the editor, at the beginning of a region that you want to exclude, create a line comment Ctrl+/ and type
//@formatter:off, at the end of the region, again create a line comment and type
Keep existing formatting
You can select formatting rules which will be ignored when you reformat the code. For example, you can adjust the IDE to keep simple methods and functions in one line, whereas normally they are expanded into multiple lines after code reformatting.
Go to Wrapping and Braces tab., select your programming language, and open the
In the Keep when reformatting section, select the formatting rules which you want to ignore and deselect those which should be applied.
Reformat your code (Ctrl+Alt+L).
CLion will reformat your code in accordance with the current style settings, keeping existing formatting for the rules which you've selected.