nixos-config/extraFiles/config/emacs/lsp.el

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2024-10-29 13:15:12 +01:00
(defun lsp-booster--advice-json-parse (old-fn &rest args)
"Try to parse bytecode instead of json."
(or
(when (equal (following-char) ?#)
(let ((bytecode (read (current-buffer))))
(when (byte-code-function-p bytecode)
(funcall bytecode))))
(apply old-fn args)))
(advice-add (if (progn (require 'json)
(fboundp 'json-parse-buffer))
'json-parse-buffer
'json-read)
:around
#'lsp-booster--advice-json-parse)
(defun lsp-booster--advice-final-command (old-fn cmd &optional test?)
"Prepend emacs-lsp-booster command to lsp CMD."
(let ((orig-result (funcall old-fn cmd test?)))
(if (and (not test?) ;; for check lsp-server-present?
(not (file-remote-p default-directory)) ;; see lsp-resolve-final-command, it would add extra shell wrapper
lsp-use-plists
(not (functionp 'json-rpc-connection)) ;; native json-rpc
(executable-find "emacs-lsp-booster"))
(progn
(when-let ((command-from-exec-path (executable-find (car orig-result)))) ;; resolve command from exec-path (in case not found in $PATH)
(setcar orig-result command-from-exec-path))
(message "Using emacs-lsp-booster for %s!" orig-result)
(cons "emacs-lsp-booster" orig-result))
orig-result)))
(advice-add 'lsp-resolve-final-command :around #'lsp-booster--advice-final-command)
(require 'lsp-mode)
(require 'lsp-ui)
(require 'dap-lldb)
(require 'dap-gdb-lldb)
(with-eval-after-load 'lsp-mode
(lsp-register-client
(make-lsp-client :new-connection (lsp-stdio-connection "nixd")
:major-modes '(nix-mode)
:priority 0
:server-id 'nixd)))
;; Hooks
(add-hook 'c-mode-hook 'lsp-deferred)
(add-hook 'c-mode-hook 'display-line-numbers-mode)
(add-hook 'c++-mode-hook 'lsp-deferred)
(add-hook 'c++-mode-hook 'display-line-numbers-mode)
(add-hook 'nix-mode-hook 'lsp-deferred)
(add-hook 'nix-mode-hook 'display-line-numbers-mode)
(add-hook 'java-mode-hook 'lsp-deferred)
(add-hook 'nix-mode-hook 'display-line-numbers-mode)