How To Debug Emacs Cpp Indentation

Do Syntactic Analysis

Do c-show-syntactic-information or C-c C-s to get an syntactic analysis first, you should get something like this

Syntactic analysis: ((statement-block-intro 930))

At the same time, emacs will also highlight the anchor point.

Set c-set-offset

Do the following to adjust the indentation.

(defun c-indentation-hook ()
  (c-set-offset 'statement-block-intro 2)
)

(add-hook 'c-mode-common-hook 'c-indentation-hook)

You’ll need to reopen the file to allow the above change to take effect.

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