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spacemacs/layers/+tools/lsp/funcs.el
Daniel Cole 170bb98cb5 Fix lsp find-* functions using peek-navigation
With this fix lsp find-* functions correctly use xref (simple-navigation).

Fixes issue #11931.
2019-02-05 23:39:10 +02:00

208 lines
9 KiB
EmacsLisp

;;; funcs.el --- Language Server Protocol Layer functions file for Spacemacs
;;
;; Copyright (c) 2012-2018 Sylvain Benner & Contributors
;;
;; Author: Fangrui Song <i@maskray.me>
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3
(defun spacemacs//setup-lsp-jump-handler (&rest modes)
"Set jump handler for LSP with the given MODE."
(dolist (m modes)
(add-to-list (intern (format "spacemacs-jump-handlers-%S" m))
'(lsp-ui-peek-find-definitions :async t))))
(defun fix-lsp-company-prefix ()
"fix lsp-javascript company prefix
https://github.com/emacs-lsp/lsp-javascript/issues/9#issuecomment-379515379"
(interactive)
(defun lsp-prefix-company-transformer (candidates)
(let ((completion-ignore-case t))
(if (and (car candidates)
(get-text-property 0 'lsp-completion-prefix (car candidates)))
(all-completions (company-grab-symbol) candidates)
candidates)))
(make-local-variable 'company-transformers)
(add-to-list 'company-transformers 'lsp-prefix-company-transformer))
(defun spacemacs/lsp-bind-keys ()
"Define key bindings for the lsp minor mode."
(ecase lsp-navigation
('simple (spacemacs//lsp-bind-simple-navigation-functions "g"))
('peek (spacemacs//lsp-bind-peek-navigation-functions "g"))
('both
(spacemacs//lsp-bind-simple-navigation-functions "g")
(spacemacs//lsp-bind-peek-navigation-functions "G")))
(spacemacs/set-leader-keys-for-minor-mode 'lsp-mode
;;format
"=b" #'lsp-format-buffer
;;goto
"gt" #'lsp-find-type-definition
"gk" #'spacemacs/lsp-avy-goto-word
"gK" #'spacemacs/lsp-avy-goto-symbol
"ge" #'lsp-ui-flycheck-list
"gM" #'lsp-ui-imenu
;;help
"hh" #'lsp-describe-thing-at-point
;;jump
;;backend
"ba" #'lsp-execute-code-action
"bc" #'lsp-capabilities
"br" #'lsp-restart-workspace
;;refactor
"rr" #'lsp-rename
;;toggles
"Td" #'lsp-ui-doc-mode
"Ts" #'lsp-ui-sideline-mode
"TF" #'spacemacs/lsp-ui-doc-func
"TS" #'spacemacs/lsp-ui-sideline-symb
"TI" #'spacemacs/lsp-ui-sideline-ignore-duplicate))
(defun spacemacs//lsp-bind-simple-navigation-functions (prefix-char)
(spacemacs/set-leader-keys-for-minor-mode 'lsp-mode
(concat prefix-char "i") #'lsp-find-implementation
(concat prefix-char "d") #'xref-find-definitions
(concat prefix-char "r") #'xref-find-references
(concat prefix-char "s") #'lsp-ui-find-workspace-symbol
(concat prefix-char "p") #'xref-pop-marker-stack))
(defun spacemacs//lsp-bind-peek-navigation-functions (prefix-char)
(spacemacs/set-leader-keys-for-minor-mode 'lsp-mode
(concat prefix-char "i") #'lsp-ui-peek-find-implementation
(concat prefix-char "d") #'lsp-ui-peek-find-definitions
(concat prefix-char "r") #'lsp-ui-peek-find-references
(concat prefix-char "s") #'lsp-ui-peek-find-workspace-symbol
(concat prefix-char "p") #'lsp-ui-peek-jump-backward
(concat prefix-char "n") #'lsp-ui-peek-jump-forward))
(defun spacemacs//lsp-declare-prefixes-for-mode (mode)
"Define key binding prefixes for the specific MODE."
(spacemacs/declare-prefix-for-mode mode "m=" "format")
(spacemacs/declare-prefix-for-mode mode "mh" "help")
(spacemacs/declare-prefix-for-mode mode "mb" "backend")
(spacemacs/declare-prefix-for-mode mode "mr" "refactor")
(spacemacs/declare-prefix-for-mode mode "mT" "toggle")
(spacemacs/declare-prefix-for-mode mode "mg" "goto")
(spacemacs/declare-prefix-for-mode mode "mG" "peek")
(dolist (prefix '("mg" "mG"))
(spacemacs/declare-prefix-for-mode mode (concat prefix "h") "hierarchy")
(spacemacs/declare-prefix-for-mode mode (concat prefix "m") "members")))
(defun spacemacs/lsp-ui-doc-func ()
"Toggle the function signature in the lsp-ui-doc overlay"
(interactive)
(setq lsp-ui-doc-include-signature (not lsp-ui-doc-include-signature)))
(defun spacemacs/lsp-ui-sideline-symb ()
"Toggle the symbol in the lsp-ui-sideline overlay.
(generally redundant in C modes)"
(interactive)
(setq lsp-ui-sideline-show-symbol (not lsp-ui-sideline-show-symbol)))
(defun spacemacs/lsp-ui-sideline-ignore-duplicate ()
"Toggle ignore duplicates for lsp-ui-sideline overlay"
(interactive)
(setq lsp-ui-sideline-ignore-duplicate (not lsp-ui-sideline-ignore-duplicate)))
;; Used for lsp-ui-peek-mode, but may be able to use some spacemacs fn. instead?
(defun spacemacs/lsp-define-key (keymap key def &rest bindings)
"Define multiple key bindings with KEYMAP KEY DEF BINDINGS."
(interactive)
(while key
(define-key keymap (kbd key) def)
(setq key (pop bindings)
def (pop bindings))))
;; These functions facilitate extension of the navigation-mode keybindings in derived layers
;; See c/c++ layer for a usage example
(defun spacemacs//lsp-get-extension-name (layer-name nav-mode kind)
(intern (concat layer-name "/" nav-mode "-" (symbol-name kind))))
(defun spacemacs//lsp-define-custom-extension (layer-name nav-mode kind request &optional extra)
(let ((lsp-extension-fn (if (equal nav-mode "find")
'lsp-find-locations
'lsp-ui-peek-find-custom))
(extension-name (spacemacs//lsp-get-extension-name layer-name nav-mode kind))
(extension-descriptor (format (concat nav-mode " %s") (symbol-name kind))))
(if extra
(defalias extension-name `(lambda () ,extension-descriptor (interactive) (funcall ',lsp-extension-fn ,request ',extra)))
(defalias extension-name `(lambda () ,extension-descriptor (interactive) (funcall ',lsp-extension-fn ,request))))))
(defun spacemacs/lsp-define-extensions (layer-name kind request &optional extra)
"Wrap backend-specific LSP extensions using lsp-find-custom and lsp-ui-peek-find-custom.
The function names will be <layer-name>/find-<kind> and <layer-name>/peek-<kind>, respectively."
(dolist (nav-mode '("find" "peek"))
(if extra
(spacemacs//lsp-define-custom-extension layer-name nav-mode kind request extra)
(spacemacs//lsp-define-custom-extension layer-name nav-mode kind request))))
(defun spacemacs//lsp-bind-extensions (mode layer-name key kind)
(ecase lsp-navigation
('simple (spacemacs/set-leader-keys-for-major-mode mode
(concat "g" key) (spacemacs//lsp-get-extension-name layer-name "find" kind)))
('peek (spacemacs/set-leader-keys-for-major-mode mode
(concat "g" key) (spacemacs//lsp-get-extension-name layer-name "peek" kind)))
('both (spacemacs/set-leader-keys-for-major-mode mode
(concat "g" key) (spacemacs//lsp-get-extension-name layer-name "find" kind)
(concat "G" key) (spacemacs//lsp-get-extension-name layer-name "peek" kind)))))
(defun spacemacs/lsp-bind-extensions-for-mode (mode layer-name key kind &rest bindings)
"Bind find/peek extensions under the appropriate prefix(es) for the major-mode
MODE. MODE should be a quoted symbol corresponding to a valid major mode.
LAYER-NAME and KEY should be quoted strings. KIND should be quoted symbol corresponding to
a find extension defined using `lsp-define-extensions'"
(while key
(spacemacs//lsp-bind-extensions mode layer-name key kind)
(setq key (pop bindings) kind (pop bindings))))
(defun spacemacs/lsp-avy-goto-word ()
(interactive)
(spacemacs//lsp-avy-document-symbol t))
(defun spacemacs/lsp-avy-goto-symbol ()
(interactive)
(spacemacs//lsp-avy-document-symbol nil))
;; From https://github.com/MaskRay/Config/blob/master/home/.config/doom/autoload/misc.el#L118
(defun spacemacs//lsp-avy-document-symbol (all)
(interactive)
(let ((line 0) (col 0) (w (selected-window))
(ccls (and (memq major-mode '(c-mode c++-mode objc-mode)) (eq c-c++-backend 'lsp-ccls)))
(start-line (1- (line-number-at-pos (window-start))))
(end-line (1- (line-number-at-pos (window-end))))
ranges point0 point1
candidates)
(save-excursion
(goto-char 1)
(cl-loop for loc in
(lsp--send-request (lsp--make-request
"textDocument/documentSymbol"
`(:textDocument ,(lsp--text-document-identifier)
:all ,(if all t :json-false)
:startLine ,start-line :endLine ,end-line)))
for range = (if ccls loc (->> loc (gethash "location") (gethash "range")))
for range_start = (gethash "start" range)
for range_end = (gethash "end" range)
for l0 = (gethash "line" range_start)
for c0 = (gethash "character" range_start)
for l1 = (gethash "line" range_end)
for c1 = (gethash "character" range_end)
while (<= l0 end-line)
when (>= l0 start-line)
do
(forward-line (- l0 line))
(forward-char c0)
(setq point0 (point))
(forward-line (- l1 l0))
(forward-char c1)
(setq point1 (point))
(setq line l1 col c1)
(push `((,point0 . ,point1) . ,w) candidates)))
;; (require 'avy)
(avy-with avy-document-symbol
(avy--process candidates
(avy--style-fn avy-style)))))