quick-spacemacs-config.el

;-----------------------------------------------------------
; LAYERS
     (c-c++ :variables
            c-c++-backend 'lsp-ccls
            c-c++-adopt-subprojects t)
     (lsp :variables
          lsp-ui-peek-enable nil
          lsp-use-lsp-ui	nil
          lsp-headerline-breadcrumb-enable  nil
          lsp-remap-xref-keybindings        t
          lsp-navigation                    'simple
          lsp-ui-sideline-enable            nil
          lsp-ui-doc-enable                 nil)

;-----------------------------------------------------------
(use-package evil
    :config
    (setq evil-jmp-list '(xref-goto-xref 
                          xref-quit-and-goto-xref  evil-scroll-page-down
                          evil-scroll-page-up      jump-to-register         switch-to-buffer
                          previous-buffer          helm-gtags-find-tag
            spacemacs/c-c++-lsp-ccls-find-callers   spacemacs/c-c++-lsp-ccls-find-callees
            spacemacs/c-c++-lsp-ccls-find-refs-read spacemacs/c-c++-lsp-ccls-find-refs-write))

    (dolist (jumper evil-jmp-list)
      (evil-add-command-properties jumper :jump t))
  )

  ;; HACK
  ;; currently only way to disable lsp from auto formatting pasted text.
  (dolist (func '(yank yank-pop evil-paste-before evil-paste-after))
    (advice-remove func #'spacemacs//yank-indent-region))

  ;; Favorite Keybinding
  (global-set-key (kbd "M-i") 'indent-relative)

  (setq-default tab-width 4
                indent-tabs-mode nil      ; use space to indent by default
                truncate-lines   t)       ; Don't fold long lines

  (setq c-default-style "linux"
        c-basic-offset tab-width)

  (c-set-offset 'inline-open '0)

  (use-package cc-mode
    :config

    (use-package dumb-jump
      :commands (dumb-jump-go))

    ;; Preserve jump list in evil
    (defun evil-set-jump-args (&rest ns) (evil-set-jump))
    (advice-add 'dumb-jump-goto-file-line :before #'evil-set-jump-args)

    (spacemacs/set-leader-keys-for-major-mode 'c++-mode "." 'dumb-jump-go)
    (spacemacs/set-leader-keys-for-major-mode 'c-mode "." 'dumb-jump-go)
    )

  (use-package ccls
    :after projectile
    :config
    (setq projectile-project-root-files-top-down-recurring
          (append '("compile_commands.json" ".ccls")
                  projectile-project-root-files-top-down-recurring))
    :config (push ".ccls-cache" projectile-globally-ignored-directories))