spacemacs/contrib/company-mode/funcs.el
2015-01-12 23:53:51 -05:00

42 lines
1.7 KiB
EmacsLisp

; .clang_complete file loading
; Sets the arguments for company-clang based on a project-specific text file.
; START Based on the Sarcasm/irony-mode compilation database code.
(defun company-mode/find-clang-complete-file ()
(when buffer-file-name
(let ((dir (locate-dominating-file buffer-file-name ".clang_complete")))
(when dir
(concat (file-name-as-directory dir) ".clang_complete")))))
(defun company-mode/load-clang-complete-file (cc-file)
"Load the flags from CC-FILE, one flag per line."
(let ((invocation-dir (expand-file-name (file-name-directory cc-file)))
(case-fold-search nil)
compile-flags)
(with-temp-buffer
(insert-file-contents cc-file)
; Replace relative paths with absolute paths (by @trishume)
;(goto-char (point-min))
(while (re-search-forward "\\(-I\\|-isystem\n\\)\\(\\S-\\)" nil t)
(replace-match (format "%s%s" (match-string 1) (expand-file-name (match-string 2) invocation-dir))))
; Turn lines into a list
(setq compile-flags
;; remove whitespaces at the end of each line, if any
(mapcar #'(lambda (line)
(if (string-match "[ \t]+$" line)
(replace-match "" t t line)
line))
(split-string (buffer-string) "\n" t))))
compile-flags))
; END Back to things written by @trishume
(defun company-mode/more-than-prefix-guesser ()
(unless company-clang-arguments
(let* ((cc-file (company-mode/find-clang-complete-file))
(flags (if cc-file (company-mode/load-clang-complete-file cc-file) '())))
(setq-local company-clang-arguments flags)
(setq flycheck-clang-args flags)))
(company-clang-guess-prefix))