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authorFranck Cuny <franck@fcuny.net>2022-10-17 18:29:37 -0700
committerFranck Cuny <franck@fcuny.net>2022-10-17 18:29:37 -0700
commit7084581ae2df832689f362ccdf5305b34c8bf0cf (patch)
treef17130e46cdc82e605534d750fc003091931a9ea /emacs/custom
parentref(prog): wrap comments at column 120 (diff)
downloademacs.d-7084581ae2df832689f362ccdf5305b34c8bf0cf.tar.gz
ref(lsp): switch from lsp-mode to eglot
The experimentation was a disaster: lsp-mode was buggy, slow, littering
the interface with a lot of things I did not understood or needed.

eglot is definitely simpler and works better for me.

Change-Id: Ie7e7e6f1c8e7b26aa5cb79d636f3ad53c1493617
Diffstat (limited to 'emacs/custom')
-rw-r--r--emacs/custom/my-lang-go.el13
-rw-r--r--emacs/custom/my-lang-nix.el18
-rw-r--r--emacs/custom/my-lang-python.el15
-rw-r--r--emacs/custom/my-lsp.el41
-rw-r--r--emacs/custom/my-packages.el4
-rw-r--r--emacs/custom/my-prog.el3
6 files changed, 33 insertions, 61 deletions
diff --git a/emacs/custom/my-lang-go.el b/emacs/custom/my-lang-go.el
index aa9f43b..fdfb8ee 100644
--- a/emacs/custom/my-lang-go.el
+++ b/emacs/custom/my-lang-go.el
@@ -7,23 +7,16 @@
 
 (require 'go-mode)
 (require 'gotest)
-(require 'lsp-mode)
-
-(add-hook 'go-mode-hook #'lsp-deferred)
-
-(defun my/lsp-go-install-save-hooks ()
-  "Set up before-save hooks to format buffer and add/delete imports."
-  (add-hook 'before-save-hook #'lsp-format-buffer t t)
-  (add-hook 'before-save-hook #'lsp-organize-imports t t))
+(require 'eglot)
 
 (defun my/go-mode-setup ()
   "Hooks for `go-mode'."
   (setq tab-width 4)
   (setq go-test-verbose t))
 
-(add-hook 'go-mode-hook #'my/lsp-go-install-save-hooks)
+(add-hook 'go-mode-hook 'eglot-ensure)
+(add-hook 'nix-mode-hook #'(lambda() (add-hook 'before-save-hook 'eglot-format-buffer nil t)))
 (add-hook 'go-mode-hook #'my/go-mode-setup)
-(add-hook 'go-mode-hook #'yas-minor-mode)
 
 (provide 'my-lang-go)
 
diff --git a/emacs/custom/my-lang-nix.el b/emacs/custom/my-lang-nix.el
index 7d197e2..6e17ee3 100644
--- a/emacs/custom/my-lang-nix.el
+++ b/emacs/custom/my-lang-nix.el
@@ -5,21 +5,11 @@
 
 ;;; Code:
 
-(require 'lsp-mode)
+(require 'eglot)
+(require 'nix-mode)
 
-(add-to-list 'lsp-language-id-configuration '(nix-mode . "nix"))
-(lsp-register-client
- (make-lsp-client :new-connection
-                  (lsp-stdio-connection '("rnix-lsp"))
-                  :major-modes '(nix-mode)
-                  :server-id 'nix))
-
-(defun my/lsp-nix-install-save-hooks ()
-  "Set up before-save hooks to format buffer."
-  (add-hook 'before-save-hook #'lsp-format-buffer t t))
-
-(add-hook 'nix-mode-hook #'my/lsp-nix-install-save-hooks)
-(add-hook 'nix-mode-hook #'lsp-deferred)
+(add-hook 'nix-mode-hook 'eglot-ensure)
+(add-hook 'nix-mode-hook #'(lambda() (add-hook 'before-save-hook 'eglot-format-buffer nil t)))
 
 (provide 'my-lang-nix)
 
diff --git a/emacs/custom/my-lang-python.el b/emacs/custom/my-lang-python.el
index c5f612a..04f3d00 100644
--- a/emacs/custom/my-lang-python.el
+++ b/emacs/custom/my-lang-python.el
@@ -6,14 +6,25 @@
 ;;; Code:
 
 (require 'python)
-(require 'python-mode)
 
+(setq python-shell-interpreter "python3")
+(setq python-shell-interpreter-args "-i")
+
+;;; bindings
+(define-key python-mode-map (kbd "C-h f") 'python-eldoc-at-point)
+
+;;; hooks
 ;; if black is present, enable it
 (when (executable-find "black")
   (require 'blacken)
   (add-hook 'python-mode-hook 'blacken-mode))
 
-(setq python-shell-interpreter "python3")
+(when (executable-find "pylsp")
+  (add-hook 'python-mode-hook 'eglot-ensure)
+  ;; https://github.com/python-lsp/python-lsp-server/blob/develop/CONFIGURATION.md
+  (setq-default eglot-workspace-configuration
+                '((pylsp (plugins (flake8      (enabled . :json-false))
+                                  (pycodestyle (enabled . :json-false)))))))
 
 (provide 'my-lang-python)
 
diff --git a/emacs/custom/my-lsp.el b/emacs/custom/my-lsp.el
index c10e06c..40ba785 100644
--- a/emacs/custom/my-lsp.el
+++ b/emacs/custom/my-lsp.el
@@ -5,35 +5,18 @@
 
 ;;; Code:
 
-(require 'lsp-mode)
-(require 'lsp-ui)
-(require 'lsp-diagnostics)
-(require 'consult-lsp)
-(require 'lsp-completion)
-
-(setq lsp-ui-doc-enable                 t) ;; Enable documentation
-(setq lsp-ui-doc-position       'at-point) ;; Show the documentation at point
-(setq lsp-ui-doc-header                 t)
-(setq lsp-ui-doc-include-signature      t)
-(setq lsp-ui-peek-enable                t) ;; Enable `lsp-ui-peek'.
-(setq lsp-ui-peek-show-directory        t) ;; Show the directory of files.
-(setq lsp-ui-sideline-enable          nil) ;; Don't enable `lsp-ui-sideline'.
-
-(add-hook 'lsp-mode-hook #'lsp-ui-mode)
-
-;; Enable `completion-at-point' integration.
-(setq lsp-completion-enable t)
-
-;; The default is to use flycheck
-(setq lsp-diagnostics-provider :flymake)
-
-(define-key lsp-mode-map [remap xref-find-apropos] #'consult-lsp-symbols)
-
-;; Configure the completion to be corfu
-(setq lsp-completion-provider :none)
-(add-hook 'lsp-completion-mode-hook
-          (lambda ()
-	    (setf (alist-get 'lsp-capf completion-category-defaults) '((styles . (orderless flex))))))
+(require 'eglot)
+
+;; settings related to performance
+;; https://emacs-lsp.github.io/lsp-mode/page/performance/
+(setq read-process-output-max (* 1024 1024)) ;; 1mb
+(setq gc-cons-threshold 100000000)           ;; 100mb
+
+(global-set-key (kbd "C-c l e") #'eglot)
+(define-key eglot-mode-map (kbd "C-c l s") #'eglot-shutdown)
+(define-key eglot-mode-map (kbd "C-c l r") #'eglot-rename)
+(define-key eglot-mode-map (kbd "C-c l a") #'eglot-code-actions)
+(define-key eglot-mode-map (kbd "C-c l o") #'eglot-code-action-organize-imports)
 
 (provide 'my-lsp)
 
diff --git a/emacs/custom/my-packages.el b/emacs/custom/my-packages.el
index 99cf01b..a31b5ee 100644
--- a/emacs/custom/my-packages.el
+++ b/emacs/custom/my-packages.el
@@ -8,8 +8,7 @@
 (require 'straight)
 
 ;; packages needed for LSP
-(straight-use-package 'lsp-mode)
-(straight-use-package 'lsp-ui)
+(straight-use-package 'eglot)
 
 ;; packages needed for python
 (straight-use-package 'blacken)
@@ -62,7 +61,6 @@
 ;; packages for navigation
 (straight-use-package 'cape)
 (straight-use-package 'consult)
-(straight-use-package 'consult-lsp)
 (straight-use-package 'corfu)
 (straight-use-package 'corfu-doc)
 (straight-use-package 'marginalia)
diff --git a/emacs/custom/my-prog.el b/emacs/custom/my-prog.el
index a8ecf45..8314ab9 100644
--- a/emacs/custom/my-prog.el
+++ b/emacs/custom/my-prog.el
@@ -40,9 +40,6 @@
 
 (add-hook 'sh-mode-hook 'my/sh-mode-hook)
 
-;; set the indent level for python
-(customize-set-variable 'python-indent-offset 4)
-
 (defun my/makefile-mode-hook ()
   "Hooks for `makefile-mode'."
   ;; I want small tabs when working in a Makefile