From: Stefan Bund <stefan.bund@traveltainment.de>
Date: Tue, 25 Apr 2017 16:44:50 +0000 (+0200)
Subject: add rags and company modules
X-Git-Url: http://g0dil.de/git?p=emacs-init.git;a=commitdiff_plain;h=cd696dc0f7021e5e9efd94978d7109455aeda457

add rags and company modules
---

diff --git a/.gitmodules b/.gitmodules
index feca0b8..b4d7649 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -27,3 +27,9 @@ url = git://g0dil.de/emacsstuff.git
 [submodule "dtrt-indent"]
 	path = dtrt-indent
 	url = https://github.com/jscheid/dtrt-indent.git
+[submodule "rtags"]
+	path = rtags
+	url = https://github.com/Andersbakken/rtags.git
+[submodule "company-mode"]
+	path = company-mode
+	url = https://github.com/company-mode/company-mode.git
diff --git a/README b/README
index 2767b68..3db29a4 100644
--- a/README
+++ b/README
@@ -1,7 +1,13 @@
-The following packages are required:
-
-    dash-el
+Install the required ubuntu packages (see UBUNTU-PACKAGES)
 
 Create directory
 
     ~/.emacs.d/autosave
+
+The rtags tools have to be compiled:
+
+    $ cd rtags
+    $ cmake .
+    $ make
+
+To use rtags, the rtags daemon must be started and compilation databases added
\ No newline at end of file
diff --git a/UBUNTU-PACKAGES b/UBUNTU-PACKAGES
index 626636a..087d70a 100644
--- a/UBUNTU-PACKAGES
+++ b/UBUNTU-PACKAGES
@@ -2,3 +2,4 @@ dash-el
 pymacs
 python-ropemacs
 pyflakes
+libclang-dev
\ No newline at end of file
diff --git a/company-mode b/company-mode
new file mode 160000
index 0000000..1fe2634
--- /dev/null
+++ b/company-mode
@@ -0,0 +1 @@
+Subproject commit 1fe263493fc3cb3551c55bb3441fd9d7eb0c0a96
diff --git a/rtags b/rtags
new file mode 160000
index 0000000..18c6aa5
--- /dev/null
+++ b/rtags
@@ -0,0 +1 @@
+Subproject commit 18c6aa5b00451abf9dd34df60cb5b35e7d0866a6
diff --git a/setup/company.el b/setup/company.el
new file mode 100644
index 0000000..a0d0a41
--- /dev/null
+++ b/setup/company.el
@@ -0,0 +1,9 @@
+(let ((dir (concat (file-name-directory
+                    (directory-file-name
+                     (file-name-directory (or load-file-name
+                                         (when (boundp 'bytecomp-filename) bytecomp-filename)
+                                         buffer-file-name))))
+                   (file-name-as-directory "company-mode"))))
+  (add-to-list 'load-path dir))
+
+(require 'company)
diff --git a/setup/rtags.el b/setup/rtags.el
new file mode 100644
index 0000000..0d47656
--- /dev/null
+++ b/setup/rtags.el
@@ -0,0 +1,54 @@
+(let ((base (file-name-directory
+             (directory-file-name
+              (file-name-directory (or load-file-name
+                                       (when (boundp 'bytecomp-filename) bytecomp-filename)
+                                       buffer-file-name))))))
+  (add-to-list 'load-path (concat base
+                                  (file-name-as-directory "rtags")
+                                  (file-name-as-directory "src")))
+  (add-to-list 'load-path (concat base
+                                  (file-name-as-directory "elpa")
+                                  (file-name-as-directory "company-0.9.2")))
+
+  (setq rtags-path (concat base
+                           (file-name-as-directory "rtags")
+                           (file-name-as-directory "bin"))))
+
+(require 'rtags)
+
+;; ;; ensure that we use only rtags checking
+;; ;; https://github.com/Andersbakken/rtags#optional-1
+;; (defun setup-flycheck-rtags ()
+;;   (interactive)
+;;   (flycheck-select-checker 'rtags)
+;;   ;; RTags creates more accurate overlays.
+;;   (setq-local flycheck-highlighting-mode nil)
+;;   (setq-local flycheck-check-syntax-automatically nil))
+
+;; only run this if rtags is installed
+(when (require 'rtags nil :noerror)
+  ;; make sure you have company-mode installed
+  (require 'company)
+  (define-key c-mode-base-map (kbd "\C-c.")
+    (function rtags-find-symbol-at-point))
+  (define-key c-mode-base-map (kbd "\C-c,")
+    (function rtags-find-references-at-point))
+  ;; disable prelude's use of C-c r, as this is the rtags keyboard prefix
+  ;; (define-key prelude-mode-map (kbd "C-c r") nil)
+  ;; install standard rtags keybindings. Do M-. on the symbol below to
+  ;; jump to definition and see the keybindings.
+  (rtags-enable-standard-keybindings)
+  ;; comment this out if you don't have or don't use helm
+  (setq rtags-use-helm t)
+  ;; company completion setup
+  (setq rtags-autostart-diagnostics t)
+  (rtags-diagnostics)
+  (setq rtags-completions-enabled t)
+  (push 'company-rtags company-backends)
+  (global-company-mode)
+  (define-key c-mode-base-map (kbd "<C-tab>") (function company-complete))
+  ;; use rtags flycheck mode -- clang warnings shown inline
+  ;; (require 'flycheck-rtags)
+  ;; c-mode-common-hook is also called by c++-mode
+  ;; (add-hook 'c-mode-common-hook #'setup-flycheck-rtags)
+  )