321 lines
13 KiB
EmacsLisp
321 lines
13 KiB
EmacsLisp
;;; funcs.el --- Language Server Protocol Layer functions file for Spacemacs
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;;
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;; Copyright (c) 2012-2020 Sylvain Benner & Contributors
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;;
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;; Author: Fangrui Song <i@maskray.me>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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(defun spacemacs//setup-lsp-jump-handler ()
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"Set jump handler for LSP with the given MODE."
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(add-to-list 'spacemacs-jump-handlers '(lsp-ui-peek-find-definitions :async t)))
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;; Key bindings
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;; Used for lsp-ui-peek-mode, but may be able to use some spacemacs fn. instead?
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(defun spacemacs/lsp-define-key (keymap key def &rest bindings)
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"Define multiple key bindings with KEYMAP KEY DEF BINDINGS."
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(interactive)
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(while key
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(define-key keymap (kbd key) def)
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(setq key (pop bindings)
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def (pop bindings))))
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(defun spacemacs/lsp-bind-keys ()
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"Define key bindings for the lsp minor mode."
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(cl-ecase lsp-navigation
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('simple (spacemacs//lsp-bind-simple-navigation-functions "g"))
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('peek (spacemacs//lsp-bind-peek-navigation-functions "g"))
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('both
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(spacemacs//lsp-bind-simple-navigation-functions "g")
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(spacemacs//lsp-bind-peek-navigation-functions "G")))
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(spacemacs/set-leader-keys-for-minor-mode 'lsp-mode
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;; format
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"=b" #'lsp-format-buffer
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"=r" #'lsp-format-region
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"=o" #'lsp-organize-imports
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;; code actions
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"aa" #'lsp-execute-code-action
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"af" #'spacemacs//lsp-action-placeholder
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"ar" #'spacemacs//lsp-action-placeholder
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"as" #'spacemacs//lsp-action-placeholder
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;; goto
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;; N.B. implementation and references covered by xref bindings / lsp provider...
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"gt" #'lsp-find-type-definition
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"gk" #'spacemacs/lsp-avy-goto-word
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"gK" #'spacemacs/lsp-avy-goto-symbol
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"gM" #'lsp-ui-imenu
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;; help
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"hh" #'lsp-describe-thing-at-point
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;; jump
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;; backend
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"bd" #'lsp-describe-session
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"br" #'lsp-workspace-restart
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"bs" #'lsp-workspace-shutdown
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;; refactor
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"rr" #'lsp-rename
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;; toggles
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"Td" #'lsp-ui-doc-mode
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"Ts" #'lsp-ui-sideline-mode
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"TF" #'spacemacs/lsp-ui-doc-func
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"TS" #'spacemacs/lsp-ui-sideline-symb
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"TI" #'spacemacs/lsp-ui-sideline-ignore-duplicate
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"Tl" #'lsp-lens-mode
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;; folders
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"Fs" #'lsp-workspace-folders-switch
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"Fr" #'lsp-workspace-folders-remove
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"Fa" #'lsp-workspace-folders-add
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;; text/code
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"xh" #'lsp-document-highlight
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"xl" #'lsp-lens-show
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"xL" #'lsp-lens-hide))
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(defun spacemacs//lsp-bind-simple-navigation-functions (prefix-char)
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(spacemacs/set-leader-keys-for-minor-mode 'lsp-mode
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(concat prefix-char "i") #'lsp-find-implementation
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(concat prefix-char "d") #'xref-find-definitions
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(concat prefix-char "r") #'xref-find-references
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(concat prefix-char "e") #'lsp-treemacs-errors-list
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(concat prefix-char "b") #'xref-pop-marker-stack)
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(cond
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((configuration-layer/package-usedp 'helm)
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(spacemacs/set-leader-keys-for-minor-mode 'lsp-mode
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(concat prefix-char "s") #'helm-lsp-workspace-symbol
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(concat prefix-char "S") #'helm-lsp-global-workspace-symbol))
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((configuration-layer/package-usedp 'ivy)
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(spacemacs/set-leader-keys-for-minor-mode 'lsp-mode
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(concat prefix-char "s") #'lsp-ivy-workspace-symbol
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(concat prefix-char "S") #'lsp-ivy-global-workspace-symbol))
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(t (spacemacs/set-leader-keys-for-minor-mode 'lsp-mode
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(concat prefix-char "s") #'lsp-ui-find-workspace-symbol))))
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(defun spacemacs//lsp-bind-peek-navigation-functions (prefix-char)
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(spacemacs/set-leader-keys-for-minor-mode 'lsp-mode
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(concat prefix-char "i") #'lsp-ui-peek-find-implementation
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(concat prefix-char "d") #'lsp-ui-peek-find-definitions
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(concat prefix-char "r") #'lsp-ui-peek-find-references
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(concat prefix-char "s") #'lsp-ui-peek-find-workspace-symbol
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(concat prefix-char "S") #'lsp-treemacs-symbols
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(concat prefix-char "b") #'lsp-ui-peek-jump-backward
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(concat prefix-char "e") #'lsp-ui-flycheck-list
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(concat prefix-char "n") #'lsp-ui-peek-jump-forward))
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(defun spacemacs//lsp-declare-prefixes-for-mode (mode)
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"Define key binding prefixes for the specific MODE."
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(unless (member mode lsp-layer--active-mode-list)
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(add-to-list 'lsp-layer--active-mode-list mode)
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(spacemacs/declare-prefix-for-mode mode "m=" "format")
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(spacemacs/declare-prefix-for-mode mode "ma" "code actions")
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(spacemacs/declare-prefix-for-mode mode "mb" "backend")
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(spacemacs/declare-prefix-for-mode mode "mF" "folder")
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(spacemacs/declare-prefix-for-mode mode "mg" "goto")
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(spacemacs/declare-prefix-for-mode mode "mG" "peek")
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(spacemacs/declare-prefix-for-mode mode "mh" "help")
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(spacemacs/declare-prefix-for-mode mode "mr" "refactor")
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(spacemacs/declare-prefix-for-mode mode "mT" "toggle")
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(spacemacs/declare-prefix-for-mode mode "mx" "text/code")
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(dolist (prefix '("mg" "mG"))
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(spacemacs/declare-prefix-for-mode mode (concat prefix "h") "hierarchy")
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(spacemacs/declare-prefix-for-mode mode (concat prefix "m") "members"))))
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(defun spacemacs//lsp-bind-extensions-for-mode (mode
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layer-name
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backend-name
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key
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kind)
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"Bind extensions under the appropriate prefix(es) for the major-mode MODE.
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MODE should be a quoted symbol corresponding to a valid major mode.
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LAYER-NAME is a string, the name of the layer
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BACKEND-NAME is a string, the name of the backend that's set for the layer
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KEY is a string corresponding to a key sequence
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KIND is a quoted symbol corresponding to an extension defined using
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`lsp-define-extensions'."
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(cl-ecase lsp-navigation
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('simple (spacemacs/set-leader-keys-for-major-mode mode
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(concat "g" key)
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(spacemacs//lsp-extension-name
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layer-name backend-name "find" kind)))
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('peek (spacemacs/set-leader-keys-for-major-mode mode
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(concat "g" key)
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(spacemacs//lsp-extension-name
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layer-name backend-name "peek" kind)))
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('both (spacemacs/set-leader-keys-for-major-mode mode
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(concat "g" key)
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(spacemacs//lsp-extension-name
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layer-name backend-name "find" kind)
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(concat "G" key)
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(spacemacs//lsp-extension-name
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layer-name backend-name "peek" kind)))))
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(defun spacemacs/lsp-bind-extensions-for-mode (mode
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layer-name
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backend-name
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key
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kind
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&rest bindings)
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"Bind extensions under the appropriate prefix(es) for the major-mode MODE.
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MODE is a quoted symbol corresponding to a valid major mode.
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LAYER-NAME is a string, the name of the layer
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BACKEND-NAME is a string, the name of the backend that's set for the layer
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KEY is a string corresponding to a key sequence
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KIND is a quoted symbol corresponding to an extension defined using
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`lsp-define-extensions'.
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BINDINGS is other KEY and KIND to create other key bindings."
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(while key
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(spacemacs//lsp-bind-extensions-for-mode mode layer-name backend-name key kind)
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(setq key (pop bindings)
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kind (pop bindings))))
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;; Extensions
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(defun spacemacs/lsp-define-extensions (layer-name
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backend-name
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kind
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request
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&optional extra)
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"Wrap backend-specific LSP extensions.
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This function uses `lsp-find-custom' and `lsp-ui-peek-find-custom'.
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The function names are defined in `spacemacs//lsp-extension-name.'"
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(dolist (nav-mode '("find" "peek"))
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(if extra
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(spacemacs//lsp-define-custom-extension
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layer-name backend-name nav-mode kind request extra)
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(spacemacs//lsp-define-custom-extension
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layer-name backend-name nav-mode kind request))))
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(defun spacemacs//lsp-extension-name (layer-name backend-name nav-mode kind)
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"Return the extension name.
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Pattern is `spacemacs/<layer-name>-<backend-end>-<nav-mode>-<kind>'.
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Examples of return name:
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- spacemacs/c-c++-lsp-clangd-find-clangd-other-file
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- spacemacs/c-c++-lsp-clangd-peek-clangd-other-file
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LAYER-NAME is a string, the name of the layer
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BACKEND-NAME is a string, the name of the backend that's set for the layer
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NAV-MODE is a string with value `peek' or `find'
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KIND is a quoted symbol corresponding to an extension defined using
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`lsp-define-extensions'."
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(intern
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(concat "spacemacs/"
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layer-name "-" backend-name "-" nav-mode "-" (symbol-name kind))))
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(defun spacemacs//lsp-define-custom-extension (layer-name
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backend-name
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nav-mode
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kind
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request
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&optional extra)
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"Helper function to define custom LSP extensions.
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LAYER-NAME is a string, the name of the layer
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BACKEND-NAME is a string, the name of the backend that's set for the layer
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NAV-MODE is a string with value `peek' or `find'
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KIND is a quoted symbol corresponding to an extension defined using
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`lsp-define-extensions'.
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REQUEST is a string defining the request
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EXTRA is an additional parameter that's passed to the LSP function"
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(let ((lsp-extension-fn (if (equal nav-mode "find")
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'lsp-find-locations
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'lsp-ui-peek-find-custom))
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(extension-name (spacemacs//lsp-extension-name
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layer-name backend-name nav-mode kind))
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(extension-descriptor (format (concat nav-mode " %s")
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(symbol-name kind))))
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(if extra
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(defalias extension-name
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`(lambda ()
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,extension-descriptor
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(interactive)
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(funcall ',lsp-extension-fn ,request ',extra)))
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(defalias extension-name
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`(lambda ()
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,extension-descriptor
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(interactive)
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(funcall ',lsp-extension-fn ,request))))))
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;; Utils
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(defun spacemacs/lsp-ui-doc-func ()
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"Toggle the function signature in the lsp-ui-doc overlay"
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(interactive)
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(setq lsp-ui-doc-include-signature (not lsp-ui-doc-include-signature)))
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(defun spacemacs/lsp-ui-sideline-symb ()
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"Toggle the symbol in the lsp-ui-sideline overlay.
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(generally redundant in C modes)"
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(interactive)
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(setq lsp-ui-sideline-show-symbol (not lsp-ui-sideline-show-symbol)))
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(defun spacemacs/lsp-ui-sideline-ignore-duplicate ()
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"Toggle ignore duplicates for lsp-ui-sideline overlay"
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(interactive)
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(setq lsp-ui-sideline-ignore-duplicate
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(not lsp-ui-sideline-ignore-duplicate)))
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(defun spacemacs//lsp-action-placeholder ()
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(interactive)
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(message "Not supported yet... (to be implemented in 'lsp-mode')"))
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;; ivy integration
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(defun spacemacs//lsp-avy-document-symbol (all)
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(interactive)
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(let ((line 0) (col 0) (w (selected-window))
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(ccls (and (memq major-mode '(c-mode c++-mode objc-mode)) (eq c-c++-backend 'lsp-ccls)))
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(start-line (1- (line-number-at-pos (window-start))))
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(end-line (1- (line-number-at-pos (window-end))))
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ranges point0 point1
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candidates)
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(save-excursion
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(goto-char 1)
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(cl-loop for loc in
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(lsp--send-request
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(lsp--make-request
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"textDocument/documentSymbol"
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`(:textDocument ,(lsp--text-document-identifier)
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:all ,(if all t :json-false)
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:startLine ,start-line :endLine ,end-line)))
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for range = (if ccls
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loc
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(->> loc (gethash "location") (gethash "range")))
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for range_start = (gethash "start" range)
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for range_end = (gethash "end" range)
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for l0 = (gethash "line" range_start)
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for c0 = (gethash "character" range_start)
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for l1 = (gethash "line" range_end)
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for c1 = (gethash "character" range_end)
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while (<= l0 end-line)
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when (>= l0 start-line)
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do
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(forward-line (- l0 line))
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(forward-char c0)
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(setq point0 (point))
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(forward-line (- l1 l0))
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(forward-char c1)
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(setq point1 (point))
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(setq line l1 col c1)
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(push `((,point0 . ,point1) . ,w) candidates)))
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(avy-with avy-document-symbol
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(avy--process candidates
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(avy--style-fn avy-style)))))
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(defun spacemacs/lsp-avy-goto-word ()
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(interactive)
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(spacemacs//lsp-avy-document-symbol t))
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(defun spacemacs/lsp-avy-goto-symbol ()
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(interactive)
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(spacemacs//lsp-avy-document-symbol nil))
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