From aa97b3ac76e7c74c555cb64cf6353f1d32859f4a Mon Sep 17 00:00:00 2001
From: Joel Grunbaum <joelgrun@gmail.com>
Date: Wed, 22 Dec 2021 07:39:02 +0000
Subject: [PATCH] Enable clang format with an attempt at automatic detection of a format config file

---
 config.org |   62 +++++++++++++++++++++++--------
 1 files changed, 46 insertions(+), 16 deletions(-)

diff --git a/config.org b/config.org
index 1d46a04..849d2c0 100644
--- a/config.org
+++ b/config.org
@@ -835,7 +835,7 @@
              LaTeX-mode
              rust-mode
              sh-mode
-             verilog-mode
+             ;; verilog-mode
              go-mode) . lsp))
     :init
     (setq lsp-keymap-prefix "C-c l")
@@ -1032,19 +1032,29 @@
 **** Clang-format
 Automatically format buffer on save.
 #+BEGIN_SRC emacs-lisp
-  (when (file-exists-p "/usr/share/clang/clang-format.el")
-    (load "/usr/share/clang/clang-format.el")
-    (setq clang-format-linux-style (concat "{BasedOnStyle: LLVM,"
-                                           "IndentWidth: 8,"
-                                           "UseTab: Always,"
-                                           "BreakBeforeBraces: Linux,"
-                                           "AllowShortIfStatementsOnASingleLine: false,"
-                                           "IndentCaseLabels: false}"))
-    (setq-default clang-format-style clang-format-linux-style)
-    (defun clang-format-on-save ()
-      (add-hook 'before-save-hook 'clang-format-buffer nil t))
-    (add-hook 'c-mode-hook 'clang-format-on-save nil t)
-    (add-hook 'c++-mode-hook 'clang-format-on-save nil t))
+      (defun set-clang-format-style ()
+          (if (file-exists-p (concat
+                              (projectile-project-root)
+                              ".clang-format"))
+              (setq-local clang-format-style nil)
+            (setq-local clang-format-style (concat "{BasedOnStyle: LLVM,"
+                                                   "IndentWidth: " (format "%s" tab-width) ","
+                                                   "UseTab: " (if (eq indent-tabs-mode nil)
+                                                                  "Never"
+                                                                "AlignWithSpaces")
+  ","
+                                                   "BreakBeforeBraces: Linux,"
+                                                   "AllowShortIfStatementsOnASingleLine: false,"
+                                                   "IndentCaseLabels: false}"))))
+
+      (use-package clang-format
+        :ensure t
+        :hook (c-mode-common . (set-clang-format-style)))
+
+      ;;   (defun clang-format-on-save ()
+      ;;     (add-hook 'before-save-hook 'clang-format-buffer nil t))
+      ;;   (add-hook 'c-mode-hook 'clang-format-on-save nil t)
+      ;;   (add-hook 'c++-mode-hook 'clang-format-on-save nil t))
 #+END_SRC
 *** emacs-lisp
 **** COMMENT Company
@@ -1197,9 +1207,29 @@
     :pin gnu
     :config
     (autoload 'verilog-mode "verilog-mode" "Verilog mode" t )
-    (add-to-list 'auto-mode-alist '("\\.[ds]?va?h?\\'" . verilog-mode)))
+    (add-to-list 'auto-mode-alist '("\\.[ds]?va?h?\\'" . verilog-mode))
+    (setq-default verilog-align-ifelse t
+                  verilog-auto-delete-trailing-whitespace t
+                  verilog-auto-inst-param-value t
+                  verilog-auto-lineup 'all
+                  verilog-auto-newline nil
+                  verilog-auto-save-policy nil
+                  verilog-auto-template-warn-unused t
+                  verilog-auto-endcomments nil
+                  verilog-highlight-grouping-keywords t
+                  verilog-highlight-modules t
+                  verilog-tab-to-comment t
+                  verilog-indent-begin-after-if nil
+                  verilog-indent-lists nil
+                  verilog-case-indent 4
+                  verilog-cexp-indent 0
+                  verilog-indent-level 4
+                  verilog-indent-level-behavioral 4
+                  verilog-indent-level-declaration 4
+                  verilog-indent-level-directive 4
+                  verilog-indent-level-module 4))
 #+END_SRC
-
+#+END_SRC
 *** COMMENT MATLAB
 Mode for editing MATLAB m-files.
 #+BEGIN_SRC emacs-lisp

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