emacs as a C IDE

01.04.13 | Comment?

Here is my emacs for C coding setup:

  • Packages:
    • flymake – not using this right now as gcc won’t compile for the MCU I am targeting
    • compile
    • flyspell
    • auto-complete
    • rainbow-delimiters-mode
  • Formatting
    • M-x align – Align comments, equal sign, etc.
  • Other tools
    • etags – M-. (jump to definition). See link for building TAGS table.
    • which-function-mode – List the current function in the mode line.
    • show-paren-mode – Highlight the matching paren or brace when cursor is next to a paren. The link also gives some other useful keyboard shortcuts.
    • org capture – Grab marked text into an org file. Alternately, try fixeme-mode. Also eproject extras may do this nicely.
    • semantic for Speedbar – Use a better C parser for the speedbar

My current config:

;; C mode modifications
(require 'compile)
(add-hook 'c-mode-hook (lambda ()
          (add-to-list 'compilation-error-regexp-alist 'x51)
          (add-to-list 'compilation-error-regexp-alist-alist 
                   "^... \\(\\w+\\) .*IN LINE \\([0-9]+\\) OF \\([^:]+\\):"
                   3 2 nil 1))           
          (setq compilation-auto-jump-to-first-error t)
          (add-hook 'speedbar-load-hook (lambda () (require 'semantic/sb)))
(require 'auto-complete)
(add-to-list 'ac-dictionary-directories "~/.emacs.d/ac-dict")
(require 'auto-complete-config)

Much of this is based on the useful notes in this SO post.

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