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-;;; fetch-includes.el --- add headers to clang checker -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2018 Benj Bellon
-
-;; Author: Benj Bellon
-;; Keywords: lisp
-
-;; This program is free software; you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation, either version 3 of the License, or
-;; (at your option) any later version.
-
-;; This program is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;; GNU General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with this program. If not, see <https://www.gnu.org/licenses/>.
-
-;;; Commentary:
-
-;; Parses the compile_commands.json db and adds headers
-;; to company-mode's company-clang backend.
-
-;;; Code:
-
-(require 'json)
-(require 'dash)
-
-(defun get-commands (json-file)
- "Retrieves list of command strings possibly including header paths.
-JSON-FILE is the path to the json-file to parse."
- (let* ((json-object-type 'hash-table)
- (json-array-type 'list)
- (json-key-type 'string)
- (json (json-read-file json-file)))
- (mapcar
- (function (lambda (el) (gethash "command" el)))
- json)))
-
-(defun get-include-paths (commands-list)
- "Retrieve the include paths from a list of string which may be include paths.
-COMMANDS-LIST a list of commands"
- (remove nil
- (mapcar
- (function (lambda (cmd) (if (string-match "-I" cmd) cmd)))
- (split-string commands-list))))
-
-(defun company-clang-header-paths (db-path)
- "Provides list of include paths to add to company-clang backend.
-DB-PATH the path to compile_commands.json"
- (-flatten (mapcar
- (function (lambda(cmd-list)
- (get-include-paths cmd-list)))
- (get-commands db-path))))
-
-(provide 'fetch-includes)
-;;; fetch-includes.el ends here