Add lsp-ivy and helm-lsp when :tools lsp (#2162)

* Add lsp-ivy and helm-lsp when :tools lsp
* Review

- Move the packages to :tools lsp
- Add bindings to config/+evil-bindings.el (no change to +emacs since
  there was no 'code' prefix)
- Move README section
- Move the packages to :tools lsp
- Add bindings to config/+evil-bindings.el (no change to +emacs since
  there was no 'code' prefix)

* FUp filechange noise

modules/config/default/+evil-bindings.el

@@ -363,6 +363,12 @@
         :desc "Format buffer/region"                  "f"   #'+format/region-or-buffer
         :desc "LSP Format buffer/region"              "F"   #'+default/lsp-format-region-or-buffer
         :desc "LSP Organize imports"                  "i"   #'lsp-organize-imports
+        (:when (featurep! :completion ivy)
+          :desc "Jump to symbol in current workspace" "j"   #'lsp-ivy-workspace-symbol
+          :desc "Jump to symbol in any workspace"     "J"   #'lsp-ivy-global-workspace-symbol)
+        (:when (featurep! :completion helm)
+          :desc "Jump to symbol in current workspace" "j"   #'helm-lsp-workspace-symbol
+          :desc "Jump to symbol in any workspace"     "J"   #'helm-lsp-global-workspace-symbol)
         :desc "Jump to documentation"                 "k"   #'+lookup/documentation
         :desc "LSP Rename"                            "r"   #'lsp-rename
         :desc "Send to repl"                          "s"   #'+eval/send-region-to-repl

modules/tools/lsp/README.org

@@ -9,6 +9,7 @@
   - [[#plugins][Plugins]]
 - [[#prerequisites][Prerequisites]]
 - [[#features][Features]]
+  - [[#lsp-powered-project-search][LSP-powered project search]]
 - [[#configuration][Configuration]]
 - [[#troubleshooting][Troubleshooting]]
 
@@ -67,6 +68,13 @@ them [[https://github.com/emacs-lsp/lsp-mode#supported-languages][in the lsp-mod
 targeted language will contain brief instructions as well.
 
 * TODO Features
+** LSP-powered project search
+When =:completion ivy= or =:completion helm= is active, LSP is used to search a
+symbol indexed by the LSP server :
+| Keybind   | Description                         |
+|-----------+-------------------------------------|
+| =SPC c j= | Jump to symbol in current workspace |
+| =SPC c J= | Jump to symbol in any workspace     |
 
 * TODO Configuration
 

modules/tools/lsp/config.el

@@ -148,3 +148,11 @@ Also logs the resolved project root, if found."
         (remove-hook 'company-mode-hook #'+lsp-init-company-h t))))
   :config
   (setq company-lsp-cache-candidates 'auto)) ;; cache candidates for better performance
+
+(use-package! helm-lsp
+  :when (featurep! :completion helm)
+  :commands helm-lsp-workspace-symbol helm-lsp-global-workspace-symbol)
+
+(use-package! lsp-ivy
+  :when (featurep! :completion ivy)
+  :commands lsp-ivy-workspace-symbol lsp-ivy-global-workspace-symbol)

modules/tools/lsp/packages.el

@@ -5,3 +5,7 @@
 (package! lsp-ui)
 (when (featurep! :completion company)
   (package! company-lsp))
+(when (featurep! :completion ivy)
+  (package! lsp-ivy))
+(when (featurep! :completion helm)
+  (package! helm-lsp))