migrate to company+eglot for code completion, ivy+swiper for search

.gitignore

@@ -1,3 +1,4 @@
 /emacs/secrets.el
 /emacs/eln-cache/
 /emacs/url/
+/emacs/recentf

emacs/custom.el

@@ -10,7 +10,7 @@
  '(indent-tabs-mode nil)
  '(mac-option-modifier '(:ordinary meta :function meta :mouse meta))
  '(package-selected-packages
-   '(flx counsel-projectile counsel ivy python-mode rainbow-mode language-detection jiralib2 request ox-jira ejira jirascope winner-mode fzf prescient doom-modeline emms denote-explore denote multi-vterm ox-hugo plz flycheck-projectile ob-go devil realgud projectile dash async yasnippet ace-jump ace-jump-mode async-status cape corfu dired-git dired-git-info embark eshell-toggle eshell-vterm fic-mode flycheck git-lens git-link go-projectile go-scratch graphviz-dot-mode json-mode kotlin-mode lsp-mode magit mmm-mode multi-web-mode multifiles multiple-cursors multishell nerd-icons-completion nerd-icons-corfu nerd-icons-dired nerd-icons-ibuffer orderless org-ai org-context org-dashboard persistent-scratch php-mode plantuml-mode project-explorer projectile-ripgrep protobuf-mode quelpa-use-package rego-mode unicode-fonts vertico vterm-toggle wgrep which-key yaml-mode))
+   '(company-box company ivy-prescient flx counsel-projectile counsel ivy python-mode rainbow-mode language-detection jiralib2 request ox-jira ejira jirascope winner-mode fzf prescient doom-modeline emms denote-explore denote multi-vterm ox-hugo plz flycheck-projectile ob-go devil realgud projectile dash async yasnippet ace-jump ace-jump-mode async-status cape corfu dired-git dired-git-info embark eshell-toggle eshell-vterm fic-mode flycheck git-lens git-link go-projectile go-scratch graphviz-dot-mode json-mode kotlin-mode lsp-mode magit mmm-mode multi-web-mode multifiles multiple-cursors multishell nerd-icons-completion nerd-icons-corfu nerd-icons-dired nerd-icons-ibuffer orderless org-ai org-context org-dashboard persistent-scratch php-mode plantuml-mode project-explorer projectile-ripgrep protobuf-mode quelpa-use-package rego-mode unicode-fonts vertico vterm-toggle wgrep which-key yaml-mode))
  '(tab-width 4)
  '(tool-bar-mode nil)
  '(use-short-answers t))

emacs/init.el

@@ -6,6 +6,21 @@
 ;; helper functions
 ;; =====
 
+(defun my/swiper-query-replace ()
+  "Run `query-replace-regexp' on Swiper results."
+  (interactive)
+  (if (not (window-minibuffer-p))
+      (user-error "Call this from swiper")
+    (let* ((enable-recursive-minibuffers t)
+           (from (ivy--regex ivy-text))
+           (to (query-replace-read-to from
+                                      (concat "Query replace (regexp " from ") with: ")
+                                      t)))
+      (ivy-exit-with-action
+       (lambda (_)
+         (let ((case-fold-search (ivy--case-fold-p ivy-text)))
+           (query-replace-regexp from to)))))))
+
 (defun my/visit-todo ()
   "Visit TODO.org in home"
   (interactive)
@@ -139,6 +154,8 @@
 
   (global-set-key (kbd "<f12>") 'speedbar)
   (global-set-key (kbd "M-/") 'hippie-expand)
+  (with-eval-after-load 'swiper
+    (define-key swiper-map (kbd "M-%") #'my/swiper-query-replace))
   (global-set-key (kbd "C-=") 'multi-vterm-dedicated-toggle)
   (global-set-key (kbd "C-x r") 'replace-regexp)
   (global-set-key (kbd "C-x R") 'replace-string)
@@ -148,6 +165,7 @@
   (global-set-key (kbd "C-x E n f") #'narrow-to-defun)
   (global-set-key (kbd "C-x E n r") #'narrow-to-region)
   (global-set-key (kbd "C-x E w") #'widen)
+  
 
   (when (file-exists-p custom-file)
     (load custom-file)))
@@ -294,6 +312,34 @@
 (use-package fic-mode :ensure t :defer t)
 (use-package flycheck :ensure t :defer t)
 
+(use-package eglot
+  :ensure t
+  :hook ((python-mode . eglot-ensure)
+         (rust-mode . eglot-ensure)
+         (c-mode . eglot-ensure)
+         (c++-mode . eglot-ensure)
+         (js-mode . eglot-ensure)
+         (typescript-mode . eglot-ensure))
+  :config
+  (setq eglot-autoshutdown t)
+  (setq eglot-sync-connect 1)
+  (setq eglot-connect-timeout 10)
+  (setq eglot-autoreconnect t)
+  (setq completion-category-defaults nil)
+  (setq completion-category-overrides '((eglot (styles orderless))))
+  (setq eglot-completion-style 'orderless)
+  (setq eglot-completion-provider :company)
+  (with-eval-after-load 'orderless
+    (setq orderless-matching-styles '(orderless-flex orderless-regexp orderless-initialism)))
+  :bind (:map eglot-mode-map
+              ("s-l a" . eglot-code-actions)
+              ("s-l r" . eglot-rename)
+              ("s-l f" . eglot-format)
+              ("s-l d" . eglot-find-declaration)
+              ("s-l i" . eglot-find-implementation)
+              ("s-l t" . eglot-find-typeDefinition)))
+
+
 ;; navigation
 ;; ===
 (use-package ace-jump-mode :ensure t :defer t
@@ -309,16 +355,12 @@
 ;; ===
 (use-package ivy
   :ensure t
-  :diminish
   :config
-  (ivy-mode 1)
-  (setq ivy-use-virtual-buffers t
-        ivy-count-format "%d/%d "
-        ivy-initial-inputs-alist nil
-        ivy-virtual-abbreviate 'full
-        ivy-use-selectable-prompt t)
-  (setq ivy-re-builders-alist
-        '((t . ivy--regex-plus))))
+   (setq ivy-re-builders-alist
+        '((swiper . ivy--regex-plus) 
+          (t . orderless-ivy-re-builder)))
+  (setq ivy-initial-inputs-alist nil)
+  (setq orderless-matching-styles '(orderless-flex orderless-literal orderless-regexp)))
 
 (use-package counsel
   :ensure t
@@ -326,7 +368,9 @@
   :config
   (counsel-mode 1)
   (setq counsel-grep-base-command
-        "rg -i -M 120 --no-heading --line-number --color never '%s' %s"))
+        "rg -i -M 120 --no-heading --line-number --color never '%s' %s")
+  (setq counsel-rg-base-command
+        "rg -i -M 120 --no-heading --line-number --color never %s ."))
 
 (use-package projectile
   :ensure t
@@ -341,14 +385,13 @@
     (setq projectile-generic-command
           (format "%s . -0 --type f --color=never" (executable-find "fd"))))
   :bind-keymap
-  ("C-x p" . projectile-command-map))  ; Changed from C-c p to C-x p
+  ("C-x p" . projectile-command-map))
 
 (use-package counsel-projectile
   :ensure t
   :after (counsel projectile)
   :config
   (counsel-projectile-mode 1)
-  (setq counsel-projectile-find-file-matcher 'ivy--regex-plus)
   :bind
   (:map projectile-command-map
         ("f" . counsel-projectile-find-file)
@@ -362,10 +405,45 @@
         ("5 b" . counsel-projectile-switch-to-buffer-other-frame)
         ("5 d" . projectile-dired-other-frame)))
 
-;; Use prescient for faster sorting and filtering
 (use-package ivy-prescient
   :ensure t
   :after counsel
   :config
   (ivy-prescient-mode 1)
-  (prescient-persist-mode 1))
+  (prescient-persist-mode 1)
+  (setq ivy-prescient-enable-filtering nil)
+  (setq ivy-prescient-enable-sorting t))
+
+
+(use-package orderless
+  :ensure t
+  :custom
+  (completion-styles '(orderless basic))
+  (completion-category-overrides '((file (styles basic partial-completion)))))
+
+;; completion
+;; ===
+(use-package company
+  :ensure t
+  :hook (after-init . global-company-mode)
+  :config
+  (setq company-idle-delay 0.1
+        company-minimum-prefix-length 1
+        company-tooltip-align-annotations t
+        company-tooltip-limit 10
+        company-tooltip-flip-when-above t
+        company-require-match nil
+        company-dabbrev-downcase nil
+        company-dabbrev-ignore-case t))
+
+(use-package company-box
+  :ensure t
+  :hook (company-mode . company-box-mode))
+
+(use-package swiper
+  :ensure t
+  :after ivy
+  :bind (("C-s" . swiper)
+         ("C-r" . swiper-backward)
+         :map swiper-map
+         ("M-%" . swiper-query-replace)))