Switched from rtags back to irony.

init.el

@@ -1,5 +1,5 @@
 ;;; init.el --- tastytea's Emacs init file.
-;; Time-stamp: <2019-04-10T12:42:14+00:00>
+;; Time-stamp: <2019-04-11T16:25:04+00:00>
 
 ;;; Commentary:
 ;; I am using this file with Emacs 26, but most of it will probably work with
@@ -188,6 +188,13 @@ With argument, do this that many times."
 ;; Autocompletion mode with many plugins.
 (unless slow-computer
   (use-package company
+    :custom
+    ;; Show suggestions after entering one character.
+    (company-minimum-prefix-length 1)
+    ;; Wrap around at end/beginning of list.
+    (company-selection-wrap-around t)
+    ;; Align annotation to the right border.
+    (company-tooltip-align-annotations t)
     :bind
     (:map company-active-map
           ("<return>" . nil)           ; Disable completion on return.
@@ -203,6 +210,11 @@ With argument, do this that many times."
   :config
   (company-flx-mode +1))
 
+(use-package company-statistics
+  :after company
+  :hook
+  (after-init-hook . company-statistics-mode))
+
 ;; Set default indentation.
 (setq-default indent-tabs-mode nil
               tab-width 4)
@@ -305,57 +317,50 @@ With argument, do this that many times."
   (c-default-style "tastytea"))
 
 (unless slow-computer
-  (use-package rtags
-    :pin melpa-stable
-    :if (executable-find "llvm-config")
-    :if (executable-find "clang++")
-    :config
-    (unless (and (rtags-executable-find "rc") (rtags-executable-find "rdm"))
-      (progn
-        (message "RTags is not installed!")
-        (rtags-install)))
-    (rtags-enable-standard-keybindings)
-    :bind
-    (:map c-mode-base-map
-          ("M-." . rtags-find-symbol-at-point)
-          ("M-," . rtags-find-references-at-point)
-          ("M-?" . rtags-display-summary))
+  ;; irony communicates with a clang-server.
+  (use-package irony
+    :after yasnippet
     :hook
-    (c++-mode   . (rtags-start-process-unless-running))
-    (c-mode     . (rtags-start-process-unless-running))
-    (kill-emacs . rtags-quit-rdm)))
+    (c++-mode        . irony-mode)
+    (c-mode          . irony-mode)
+    (irony-mode      . irony-cdb-autosetup-compile-options)
+    :config
+    ;; If irony server was never installed, install it.
+    (unless (irony--find-server-executable)
+      (call-interactively #'irony-install-server)))
 
-(use-package flycheck-rtags
-  :pin melpa-stable
-  :after (flycheck rtags)
-  :config
-  ;; ensure that we use only rtags checking.
-  ;; https://github.com/Andersbakken/rtags#optional-1
-  (defun my/setup-flycheck-rtags ()
-    (flycheck-select-checker 'rtags)
-    (setq-local flycheck-highlighting-mode nil))  ; Can't disable RTags overlay.
-  :hook
-  (c-mode-hook   . my/setup-flycheck-rtags)
-  (c++-mode-hook . my/setup-flycheck-rtags))
+  ;; Eldoc shows argument list of the function you are currently writing.
+  (use-package irony-eldoc
+    :after (eldoc irony)
+    :hook
+    (irony-mode . irony-eldoc))
 
-(use-package company-rtags
-  :pin melpa-stable
-  :after (company rtags)
-  :custom
-  (rtags-completions-enabled t)
-  :config
-  ;; (setq rtags-autostart-diagnostics t)
-  ;; (rtags-diagnostics)
-  (push 'company-rtags company-backends))
+                                        ; Syntax checker.
+  (use-package flycheck-irony
+    :after (flycheck irony)
+    :hook
+    (flycheck-mode-hook . flycheck-irony-setup))
 
-;; cmake integration.
-(unless slow-computer
+  ;; Auto-complete integration.
+  (use-package company-irony
+    :after (company irony)
+    :config
+    (add-to-list 'company-backends 'company-irony))
+
+  ;; Auto-complete headers
+  (use-package company-irony-c-headers
+    :after (company-irony)
+    :config
+    (add-to-list 'company-backends 'company-irony-c-headers))
+
+  ;; cmake integration.
   (use-package cmake-ide
-    :after rtags
+    :after irony
     :custom
     (cmake-ide-build-dir "build")
     :config
-    (cmake-ide-setup)))
+    (cmake-ide-setup))
+)
 
 ;; GUI for gdb and other debuggers.
 (use-package realgud
@@ -672,12 +677,13 @@ With argument, do this that many times."
       ;; The mode is not turned on?
       ("\\`'\\*Easy-hugo\\*\\'" . easy-hugo-mode)))
 
+;; A template system.
+(use-package yasnippet)
+
 ;; Automatically insert text in new files.
 (use-package autoinsert
+  :after yasnippet
   :init
-  ;; I only use it in here for now
-  (use-package yasnippet)
-
   (defun my/autoinsert-yas-expand()
     "Replace text in yasnippet template."
     (yas-minor-mode t)
@@ -724,7 +730,14 @@ With argument, do this that many times."
   :hook
   (LaTeX-mode . company-auctex-init))
 
-;;;;;;;;;;;;;;;;;;;; File formats ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;;;;;;;;;;;;;;;;;;; (X)HTML / CSS ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Use company auto-completion.
+(use-package company-web
+  :after company
+  :config
+  (add-to-list 'company-backends 'company-web-html))
+
+;;;;;;;;;;;;;;;;;;;; Other file formats ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 (use-package adoc-mode
   :mode
   (("\\.adoc" . adoc-mode))

server/server

@@ -1,2 +1,2 @@
-127.0.0.1:51313 25228
+127.0.0.1:51313 31890
 phahw2ohVoh0oopheish7IVie9desh8aequeenei3uo8wahShe%thuadaeNa4ieh