added flycheck-clangcheck support; notes for larger c++ builds

4 files changed, 28 insertions, 2 deletions

diff --git a/settings/setup-c++-mode.el b/settings/setup-c++-mode.el
index 820c057..28d8698 100644
--- a/settings/setup-c++-mode.el
+++ b/settings/setup-c++-mode.el
@@ -5,7 +5,12 @@
 	     '(;; add some keywords
 	       ("\\<\\(nullptr\\)\\>" . font-lock-keyword-face)))))
 
-(add-hook 'c++-mode-hook 'rtags-start-process-unless-running)
+(defun arg-list-indent ()
+  "Indent arglist properly when overflowing."
+  (c-set-offset 'arglist-intro '+))
+
+(add-hook 'c++-mode-hook 'arg-list-indent)
+;;(add-hook 'c++-mode-hook 'rtags-start-process-unless-running)
 
 (setq c-basic-offset 2)
 (setq c-default-style "gnu")
diff --git a/settings/setup-company-mode.el b/settings/setup-company-mode.el
index 9c5a843..311496c 100644
--- a/settings/setup-company-mode.el
+++ b/settings/setup-company-mode.el
@@ -5,10 +5,17 @@
 ;; basic company mode configs
 
 ;;; Code:
+(require 'company)
+
+;; When working with a larger project, until a parser is written
+;; for compile_commands.json DB, you can add the headers to
+;; .dir-locals.el as follows:
+;; (company-clang-arguments . ("-I/path/to/include"))
 
-(add-hook 'after-init-hook 'global-company-mode)
 (setq company-idle-delay 0.1)
+(setq company-clang-executable "/usr/bin/clang++")
 
+(add-hook 'after-init-hook 'global-company-mode)
 
 (provide 'setup-company-mode)
 ;;; setup-company-mode.el ends here
diff --git a/settings/setup-flycheck.el b/settings/setup-flycheck.el
index db93a0e..63fca3f 100644
--- a/settings/setup-flycheck.el
+++ b/settings/setup-flycheck.el
@@ -1,5 +1,17 @@
 (require 'flycheck)
 (require 'flycheck-pos-tip)
+(require 'flycheck-clangcheck)
+
+;; When using flycheck in a larger c++ project with a variety of headers
+;; across a variety of dirs, add the following to your .dir-locals.el
+;; (flycheck-clang-dbname . "/abs/path/to/build/compile_commands.json")
+
+(defun setup-custom-clang-checker ()
+  (flycheck-set-checker-executable 'c/c++-clangcheck "/usr/bin/clang-check")
+  (flycheck-select-checker 'c/c++-clangcheck))
+
+(add-hook 'c-mode-hook #'setup-custom-clang-checker)
+(add-hook 'c++-mode-hook #'setup-custom-clang-checker)
 
 (global-flycheck-mode 1)
 
@@ -8,5 +20,6 @@
     '(flycheck-display-errors-function #'flycheck-pos-tip-error-messages)))
 
 (global-set-key (kbd "<f2>") 'flyspell-auto-correct-previous-word)
+(setq flycheck-clangcheck-analyze t)
 
 (provide 'setup-flycheck)
diff --git a/templates/snippets/c++-mode/doxycomments b/templates/snippets/c++-mode/doxycomments
new file mode 120000
index 0000000..62fd598
--- /dev/null
+++ b/templates/snippets/c++-mode/doxycomments
@@ -0,0 +1 @@
+../doxygen/doxycomments
\ No newline at end of file