cquery and lsp related packages for C/C++ IDE goodies

      (use-package lsp-mode)

      (use-package pipenv
    :hook (python-mode . pipenv-mode))

      (use-package lsp-python
        :config (add-hook 'python-mode-hook #'lsp-python-enable))

      (use-package cquery
    :config
    (setf cquery-extra-init-params '(:completion (:detailedLabel t)))
    (setf cquery-sem-highlight-method 'font-lock)
    (cquery-use-default-rainbow-sem-highlight))

      (use-package company-lsp
        :config
        (setf company-transformers nil company-lsp-async t company-lsp-cache-candidates nil)
        (setf company-lsp-async t)
        )

      (use-package ivy-xref
    :init (setf xref-show-xrefs-function #'ivy-xref-show-xrefs))

      (use-package lsp-ui
    :config
    (setf lsp-ui-sideline-show-symbol t)
    (defun my-cquery-find-vars ()
      (interactive)
      (lsp-ui-peek-find-custom 'vars "$cquery/vars"))

    (defun my-cquery-find-callers ()
      (interactive)
      (lsp-ui-peek-find-custom 'callers "$cquery/callers"))

    (define-key lsp-ui-mode-map [remap xref-find-definitions] #'lsp-ui-peek-find-definitions)
    (define-key lsp-ui-mode-map [remap xref-find-references] #'lsp-ui-peek-find-references)
    (bind-key "C-c C-x v" #'my-cquery-find-vars lsp-ui-mode-map)
    (bind-key "C-c C-x c" #'my-cquery-find-callers lsp-ui-mode-map)
    (add-hook 'lsp-mode 'lsp-ui-mode))

      (defun my-c-mode-hook-func ()
    ;; (semantic-mode 1)
    (rainbow-identifiers-mode -1)
    (setf fill-column 80)
    (yas-minor-mode)
    (electric-pair-mode 1)
    (company-mode 1)
    (irony-mode 1)
    (key-chord-mode 1)
    (lsp-cquery-enable)
    (lsp-ui-mode)
    (add-to-list 'write-file-functions 'delete-trailing-whitespace)
    (add-to-list 'company-backends 'company-lsp)
    (setq-local company-backends (add-to-list 'company-backends 'company-lsp)))
      (add-hook 'c-mode-hook 'my-c-mode-hook-func)