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-rw-r--r--users/glittershark/emacs.d/config.el1
-rw-r--r--users/glittershark/emacs.d/cpp.el26
-rw-r--r--users/glittershark/emacs.d/google-c-style.el151
-rwxr-xr-xusers/glittershark/emacs.d/nix-clangd.sh7
4 files changed, 185 insertions, 0 deletions
diff --git a/users/glittershark/emacs.d/config.el b/users/glittershark/emacs.d/config.el
index afeb990e8875..8c8355538341 100644
--- a/users/glittershark/emacs.d/config.el
+++ b/users/glittershark/emacs.d/config.el
@@ -29,6 +29,7 @@
 (load! "grid")
 (load! "nix")
 (load! "email")
+(load! "cpp")
 
 (require 's)
 (require 'tvl)
diff --git a/users/glittershark/emacs.d/cpp.el b/users/glittershark/emacs.d/cpp.el
new file mode 100644
index 000000000000..225d8b7f8cbf
--- /dev/null
+++ b/users/glittershark/emacs.d/cpp.el
@@ -0,0 +1,26 @@
+;;; ~/code/depot/users/glittershark/emacs.d/cpp.el -*- lexical-binding: t; -*-
+
+
+(load! "google-c-style")
+
+(after! flycheck
+  (add-to-list 'flycheck-disabled-checkers 'c/c++-gcc)
+  (add-to-list 'flycheck-disabled-checkers 'c/c++-clangd))
+
+(defun +grfn/cpp-setup ()
+  (when (s-starts-with?
+         "/home/grfn/code/depot/third_party/nix"
+         (buffer-file-name))
+    (setq lsp-clients-clangd-executable "/home/grfn/code/depot/users/glittershark/emacs.d/nix-clangd.sh"
+          lsp-clients-clangd-args nil)
+    (google-set-c-style)
+    (lsp)))
+
+(add-hook 'c++-mode-hook #'+grfn/cpp-setup)
+
+(comment
+ (setq
+  lsp-clients-clangd-executable
+  "/home/grfn/code/depot/third_party/nix/clangd.sh"
+  lsp-clients-clangd-args nil)
+ )
diff --git a/users/glittershark/emacs.d/google-c-style.el b/users/glittershark/emacs.d/google-c-style.el
new file mode 100644
index 000000000000..9bb12c61aae4
--- /dev/null
+++ b/users/glittershark/emacs.d/google-c-style.el
@@ -0,0 +1,151 @@
+;;; google-c-style.el --- Google's C/C++ style for c-mode
+
+;; Keywords: c, tools
+
+;; google-c-style.el is Copyright (C) 2008 Google Inc. All Rights Reserved.
+;;
+;; It is free software; you can redistribute it and/or modify it under the
+;; terms of either:
+;;
+;; a) the GNU General Public License as published by the Free Software
+;; Foundation; either version 1, or (at your option) any later version, or
+;;
+;; b) the "Artistic License".
+
+;;; Commentary:
+
+;; Provides the google C/C++ coding style. You may wish to add
+;; `google-set-c-style' to your `c-mode-common-hook' after requiring this
+;; file. For example:
+;;
+;;    (add-hook 'c-mode-common-hook 'google-set-c-style)
+;;
+;; If you want the RETURN key to go to the next line and space over
+;; to the right place, add this to your .emacs right after the load-file:
+;;
+;;    (add-hook 'c-mode-common-hook 'google-make-newline-indent)
+
+;;; Code:
+
+;; For some reason 1) c-backward-syntactic-ws is a macro and 2)  under Emacs 22
+;; bytecode cannot call (unexpanded) macros at run time:
+(eval-when-compile (require 'cc-defs))
+
+;; Wrapper function needed for Emacs 21 and XEmacs (Emacs 22 offers the more
+;; elegant solution of composing a list of lineup functions or quantities with
+;; operators such as "add")
+(defun google-c-lineup-expression-plus-4 (langelem)
+  "Indents to the beginning of the current C expression plus 4 spaces.
+
+This implements title \"Function Declarations and Definitions\"
+of the Google C++ Style Guide for the case where the previous
+line ends with an open parenthese.
+
+\"Current C expression\", as per the Google Style Guide and as
+clarified by subsequent discussions, means the whole expression
+regardless of the number of nested parentheses, but excluding
+non-expression material such as \"if(\" and \"for(\" control
+structures.
+
+Suitable for inclusion in `c-offsets-alist'."
+  (save-excursion
+    (back-to-indentation)
+    ;; Go to beginning of *previous* line:
+    (c-backward-syntactic-ws)
+    (back-to-indentation)
+    (cond
+     ;; We are making a reasonable assumption that if there is a control
+     ;; structure to indent past, it has to be at the beginning of the line.
+     ((looking-at "\\(\\(if\\|for\\|while\\)\\s *(\\)")
+      (goto-char (match-end 1)))
+     ;; For constructor initializer lists, the reference point for line-up is
+     ;; the token after the initial colon.
+     ((looking-at ":\\s *")
+      (goto-char (match-end 0))))
+    (vector (+ 4 (current-column)))))
+
+;;;###autoload
+(defconst google-c-style
+  `((c-recognize-knr-p . nil)
+    (c-enable-xemacs-performance-kludge-p . t) ; speed up indentation in XEmacs
+    (c-basic-offset . 2)
+    (indent-tabs-mode . nil)
+    (c-comment-only-line-offset . 0)
+    (c-hanging-braces-alist . ((defun-open after)
+                               (defun-close before after)
+                               (class-open after)
+                               (class-close before after)
+                               (inexpr-class-open after)
+                               (inexpr-class-close before)
+                               (namespace-open after)
+                               (inline-open after)
+                               (inline-close before after)
+                               (block-open after)
+                               (block-close . c-snug-do-while)
+                               (extern-lang-open after)
+                               (extern-lang-close after)
+                               (statement-case-open after)
+                               (substatement-open after)))
+    (c-hanging-colons-alist . ((case-label)
+                               (label after)
+                               (access-label after)
+                               (member-init-intro before)
+                               (inher-intro)))
+    (c-hanging-semi&comma-criteria
+     . (c-semi&comma-no-newlines-for-oneline-inliners
+        c-semi&comma-inside-parenlist
+        c-semi&comma-no-newlines-before-nonblanks))
+    (c-indent-comments-syntactically-p . t)
+    (comment-column . 40)
+    (c-indent-comment-alist . ((other . (space . 2))))
+    (c-cleanup-list . (brace-else-brace
+                       brace-elseif-brace
+                       brace-catch-brace
+                       empty-defun-braces
+                       defun-close-semi
+                       list-close-comma
+                       scope-operator))
+    (c-offsets-alist . ((arglist-intro google-c-lineup-expression-plus-4)
+                        (func-decl-cont . ++)
+                        (member-init-intro . ++)
+                        (inher-intro . ++)
+                        (comment-intro . 0)
+                        (arglist-close . c-lineup-arglist)
+                        (topmost-intro . 0)
+                        (block-open . 0)
+                        (inline-open . 0)
+                        (substatement-open . 0)
+                        (statement-cont
+                         .
+                         (,(when (fboundp 'c-no-indent-after-java-annotations)
+                             'c-no-indent-after-java-annotations)
+                          ,(when (fboundp 'c-lineup-assignments)
+                             'c-lineup-assignments)
+                          ++))
+                        (label . /)
+                        (case-label . +)
+                        (statement-case-open . +)
+                        (statement-case-intro . +) ; case w/o {
+                        (access-label . /)
+                        (innamespace . 0))))
+  "Google C/C++ Programming Style.")
+
+;;;###autoload
+(defun google-set-c-style ()
+  "Set the current buffer's c-style to Google C/C++ Programming
+  Style. Meant to be added to `c-mode-common-hook'."
+  (interactive)
+  (make-local-variable 'c-tab-always-indent)
+  (setq c-tab-always-indent t)
+  (c-add-style "Google" google-c-style t))
+
+;;;###autoload
+(defun google-make-newline-indent ()
+  "Sets up preferred newline behavior. Not set by default. Meant
+  to be added to `c-mode-common-hook'."
+  (interactive)
+  (define-key c-mode-base-map "\C-m" 'newline-and-indent)
+  (define-key c-mode-base-map [ret] 'newline-and-indent))
+
+(provide 'google-c-style)
+;;; google-c-style.el ends here
diff --git a/users/glittershark/emacs.d/nix-clangd.sh b/users/glittershark/emacs.d/nix-clangd.sh
new file mode 100755
index 000000000000..0df209c2eb99
--- /dev/null
+++ b/users/glittershark/emacs.d/nix-clangd.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+CLANGD_FLAGS=--compile-commands-dir=/home/grfn/builds/tazjix \
+    nix-shell /home/grfn/code/depot \
+    -A third_party.nix \
+    --run nix-clangd