100 lines
4.0 KiB
EmacsLisp
100 lines
4.0 KiB
EmacsLisp
;;; lsp.el --- Language Server Protocol. -*- lexical-binding: t; -*-
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;;; Commentary:
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;;; Code:
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(require 'basics/package-management)
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(require 'basics/global-variables)
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(require 'programming/common)
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(require 'text/common)
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;; Client for Language Server Protocol servers.
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(use-package lsp-mode
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:defines (lsp-clients-clangd-args)
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:diminish lsp-mode
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:custom ((lsp-prefer-flymake nil) ; Disable flymake.
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(lsp-auto-guess-root t) ; Don't ask for project root.
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(lsp-eldoc-render-all nil)
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(lsp-restart 'auto-restart)
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(lsp-enable-semantic-highlighting t) ; Needs clangd 11(?).
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(lsp-semantic-tokens-apply-modifiers t)
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(lsp-keymap-prefix "C-c l")
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(lsp-keep-workspace-alive nil)
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(lsp-headerline-breadcrumb-segments
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'(path-up-to-project file symbols))
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(lsp-bash-highlight-parsing-errors t))
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:custom-face
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;; Semantic highlighting. TODO: Check later if better options are available.
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(lsp-face-semhl-variable ((t (:inherit font-lock-variable-name-face
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:italic t))))
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(lsp-face-semhl-parameter ((t (:inherit font-lock-variable-name-face
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:italic t :underline t))))
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(lsp-face-semhl-member ((t (:inherit default :weight semibold))))
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;; (lsp-face-semhl-enum ((t (:inherit font-lock-type-face))))
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:config (progn
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(setq lsp-clients-clangd-args '("--compile-commands-dir=build"))
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(when (>= (my/clangd-version) 9.0)
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(add-to-list 'lsp-clients-clangd-args "--clang-tidy" t))
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;; Ranking algorithm trained on snippets from a large C++ codebase.
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(when (>= (my/clangd-version) 12.0)
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(add-to-list 'lsp-clients-clangd-args
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"--ranking-model=decision_forest" t))
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;; Always enabled in >= 12.0
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(when (< (my/clangd-version) 12.0)
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(add-to-list 'lsp-clients-clangd-args "--recovery-ast" t)
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(add-to-list 'lsp-clients-clangd-args "--background-index" t))
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;; Mark lsp-clients-clangd-args as safe to override.
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(put 'lsp-clients-clangd-args 'safe-local-variable #'consp)
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(defun my/rebind-other-file-maybe ()
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"Rebind C-: to LSP equivalent."
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(when (equal major-mode 'c++-mode)
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(bind-key "C-:" #'lsp-clangd-find-other-file 'c++-mode-map))))
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:bind ("C-c C-f" . lsp-execute-code-action)
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:hook ((c++-mode . lsp)
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(c-mode . lsp)
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(python-mode . lsp)
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(nxml-mode . lsp)
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(json-mode . lsp)
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(web-mode . lsp)
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(css-mode . lsp)
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(js-mode . lsp)
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(lsp-mode . lsp-enable-which-key-integration)
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(lsp-mode . my/rebind-other-file-maybe)))
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;; Eye-candy and flycheck support for lsp-mode.
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(use-package lsp-ui
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:after (lsp-mode flycheck whitespace)
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:functions (my/whitespace-mode-on my/whitespace-mode-off)
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:custom ((lsp-ui-sideline-enable nil) ; Documentation in buffer.
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(lsp-ui-doc-include-signature t)
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(lsp-ui-doc-max-width 100)
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(lsp-ui-doc-max-height 20)
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(lsp-ui-doc-enable t)) ; Documentation popup.
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:config (defun my/lsp-ws-toggle ()
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"Works around the dots-in-wrong-color bug."
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(if lsp-ui-peek-mode
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(my/whitespace-mode-off)
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(my/whitespace-mode-on)))
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:bind (:map lsp-ui-mode-map
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("M-." . lsp-ui-peek-find-definitions)
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("C-M-." . lsp-ui-peek-find-references)
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("C-M-," . lsp-ui-peek-find-implementation))
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:hook ((lsp-mode . lsp-ui-mode)
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(lsp-ui-peek-mode . my/lsp-ws-toggle)))
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;; ivy interface to lsp-mode.
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(use-package lsp-ivy
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:demand t
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:after (lsp-mode ivy))
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;; Integration between lsp-mode and treemacs.
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(use-package lsp-treemacs
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:after (treemacs lsp-ui)
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:bind (:map lsp-ui-mode-map
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("<f7>" . lsp-treemacs-errors-list)))
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(provide 'programming/lsp)
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;;; lsp.el ends here
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