5e641394f4
This reverts commit e62d55b4fd.
This fixs https://github.com/syl20bnr/spacemacs/pull/14509#issuecomment-813023508
402 lines
13 KiB
EmacsLisp
402 lines
13 KiB
EmacsLisp
;;; funcs.el --- C/C++ Layer functions File for Spacemacs
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;;
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;; Copyright (c) 2012-2021 Sylvain Benner & Contributors
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;;
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;; Author: Sylvain Benner <sylvain.benner@gmail.com>
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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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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;;
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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(require 'cl-lib)
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(require 'subr-x)
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(defun spacemacs//c-c++-setup-backend ()
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"Conditionally setup c-c++ backend."
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(pcase c-c++-backend
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('lsp-clangd (spacemacs//c-c++-setup-lsp-clangd))
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('lsp-ccls (spacemacs//c-c++-setup-lsp-ccls))
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('rtags (spacemacs//c-c++-setup-rtags))
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('ycmd (spacemacs//c-c++-setup-ycmd))))
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(defun spacemacs//c-c++-setup-company ()
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"Conditionally setup C/C++ company integration based on backend."
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(pcase c-c++-backend
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('rtags (spacemacs//c-c++-setup-rtags-company))
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('ycmd (spacemacs//c-c++-setup-ycmd-company))))
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(defun spacemacs//c-c++-setup-dap ()
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"Conditionally setup C/C++ DAP integration based on backend."
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;; currently DAP is only available using LSP
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(pcase c-c++-backend
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('lsp-clangd (spacemacs//c-c++-setup-lsp-dap))
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('lsp-ccls (spacemacs//c-c++-setup-lsp-dap))))
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(defun spacemacs//c-c++-setup-eldoc ()
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"Conditionally setup C/C++ eldoc integration based on backend."
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;; lsp setup eldoc on its own
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(when (eq c-c++-backend 'ycmd)
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(spacemacs//c-c++-setup-ycmd-eldoc)))
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(defun spacemacs//c-c++-setup-flycheck ()
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"Conditionally setup C/C++ flycheck integration based on backend."
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(pcase c-c++-backend
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('rtags (spacemacs//c-c++-setup-rtags-flycheck))
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('ycmd (spacemacs//c-c++-setup-ycmd-flycheck))))
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(defun spacemacs//c-c++-setup-format ()
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"Conditionally setup format based on backend."
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(pcase c-c++-backend
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('lsp-clangd (spacemacs//c-c++-setup-clang-format))
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('lsp-ccls (spacemacs//c-c++-setup-clang-format))))
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(defun spacemacs//c-c++-setup-semantic ()
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"Conditionally setup semantic based on backend."
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(pcase c-c++-backend
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('rtags (spacemacs//c-c++-setup-rtags-semantic))
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('ycmd (spacemacs//c-c++-setup-ycmd-semantic))))
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;; lsp
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;; clang
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(defun spacemacs//c-c++-setup-lsp-clangd ()
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"Setup LSP clangd."
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;; extensions
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(spacemacs/lsp-define-extensions
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"c-c++" "lsp-clangd"
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'clangd-other-file "textDocument/switchSourceHeader" 'buffer-file-name)
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(setq-local lsp-disabled-clients '(ccls))
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(lsp))
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;; ccls
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(defun spacemacs//c-c++-setup-lsp-ccls ()
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"Setup LSP ccls."
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(require 'ccls)
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;; semantic highlight
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(when c-c++-lsp-enable-semantic-highlight
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(setq ccls-sem-highlight-method c-c++-lsp-semantic-highlight-method)
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(when (eq 'rainbow c-c++-lsp-enable-semantic-highlight)
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(ccls-use-default-rainbow-sem-highlight)))
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;; extensions
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(spacemacs/lsp-define-extensions
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"c-c++" "lsp-ccls"
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'refs-address "textDocument/references" '(:role 128))
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(spacemacs/lsp-define-extensions
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"c-c++" "lsp-ccls"
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'refs-read "textDocument/references" '(:role 8))
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(spacemacs/lsp-define-extensions
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"c-c++" "lsp-ccls"
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'refs-write "textDocument/references" '(:role 16))
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(spacemacs/lsp-define-extensions
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"c-c++" "lsp-ccls"
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'callers "$ccls/call")
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(spacemacs/lsp-define-extensions
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"c-c++" "lsp-ccls"
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'callees "$ccls/call" '(:callee t))
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(spacemacs/lsp-define-extensions
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"c-c++" "lsp-ccls"
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'base "$ccls/inheritance")
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(spacemacs/lsp-define-extensions
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"c-c++" "lsp-ccls"
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'derived "$ccls/inheritance" '(:derived t))
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(spacemacs/lsp-define-extensions
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"c-c++" "lsp-ccls"
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'member-types "$ccls/member" `(:kind 2))
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(spacemacs/lsp-define-extensions
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"c-c++" "lsp-ccls"
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'member-functions "$ccls/member" `(:kind 3))
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(spacemacs/lsp-define-extensions
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"c-c++" "lsp-ccls"
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'member-vars "$ccls/member" `(:kind 0))
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;; key bindings
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(dolist (mode c-c++-modes)
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(spacemacs/set-leader-keys-for-major-mode mode
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;; backend
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"bf" 'ccls-reload
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"bp" 'ccls-preprocess-file
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;; goto
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"gf" 'find-file-at-point
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"gF" 'ffap-other-window
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;; hierarchy
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"ghc" 'ccls-call-hierarchy
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"ghC" 'spacemacs/c-c++-lsp-ccls-call-hierarchy-inv
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"ghi" 'ccls-inheritance-hierarchy
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"ghI" 'spacemacs/c-c++-lsp-ccls-inheritance-hierarchy-inv
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;; members
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"gmh" 'ccls-member-hierarchy)
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(spacemacs/lsp-bind-extensions-for-mode
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mode "c-c++" "lsp-ccls"
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"&" 'refs-address
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"R" 'refs-read
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"W" 'refs-write
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"c" 'callers
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"C" 'callees
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"v" 'vars
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"hb" 'base)
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(spacemacs/lsp-bind-extensions-for-mode
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mode "c-c++" "lsp-ccls"
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"hd" 'derived
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"mt" 'member-types
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"mf" 'member-functions
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"mv" 'member-vars))
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;;(evil-set-initial-state 'ccls--tree-mode 'emacs)
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;;(evil-make-overriding-map 'ccls-tree-mode-map)
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(setq-local lsp-disabled-clients '(clangd))
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(lsp))
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(defun spacemacs//c-c++-setup-lsp-dap ()
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"Setup DAP integration."
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(mapc #'require c-c++-dap-adapters))
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;; rtags
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(defun spacemacs//c-c++-setup-rtags ()
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"Setup rtags backend."
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(setq rtags-autostart-diagnostics t)
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(add-hook 'rtags-jump-hook 'evil-set-jump)
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(rtags-diagnostics)
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;; key bindings
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(evil-define-key 'normal rtags-mode-map
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(kbd "RET") 'rtags-select-other-window
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(kbd "M-RET") 'rtags-select
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(kbd "q") 'rtags-bury-or-delete)
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;; TODO check for consistency with gtags key bindings
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;; see https://github.com/syl20bnr/spacemacs/blob/develop/layers/+tags/gtags/funcs.el#L70
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(dolist (mode c-c++-modes)
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(spacemacs/set-leader-keys-for-major-mode mode
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"g." 'spacemacs/c-c++-tags-find-symbol-at-point
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"g," 'spacemacs/c-c++-tags-find-references-at-point
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"g;" 'spacemacs/c-c++-tags-find-file
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"g/" 'rtags-find-all-references-at-point
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"g[" 'rtags-location-stack-back
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"g]" 'rtags-location-stack-forward
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"g>" 'spacemacs/c-c++-tags-find-symbol
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"g<" 'spacemacs/c-c++-tags-find-references
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"gB" 'rtags-show-rtags-buffer
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"gd" 'rtags-print-dependencies
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"gD" 'rtags-diagnostics
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"ge" 'rtags-reparse-file
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"gE" 'rtags-preprocess-file
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"gf" 'rtags-find-dead-functions
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"gF" 'rtags-fixit
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"gG" 'rtags-guess-function-at-point
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"gh" 'rtags-print-class-hierarchy
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"gI" 'spacemacs/c-c++-tags-imenu
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"gL" 'rtags-copy-and-print-current-location
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"gM" 'rtags-symbol-info
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"gO" 'rtags-goto-offset
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"gp" 'rtags-set-current-project
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"gr" 'rtags-references-tree
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"gR" 'rtags-rename-symbol
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"gs" 'rtags-print-source-arguments
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"gS" 'rtags-display-summary
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"gt" 'rtags-symbol-type
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"gT" 'rtags-taglist
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"gu" 'rtags-dependency-tree
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"gv" 'rtags-find-virtuals-at-point
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"gV" 'rtags-print-enum-value-at-point
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"gX" 'rtags-fix-fixit-at-point
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"gY" 'rtags-cycle-through-diagnostics)))
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(defun spacemacs//c-c++-setup-rtags-company ()
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"Setup rtags auto-completion."
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(when c-c++-enable-rtags-completion
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(setq rtags-completions-enabled t)
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(spacemacs|add-company-backends
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:backends company-rtags
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:modes c-mode-common
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:append-hooks nil
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:call-hooks t)))
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(defun spacemacs//c-c++-setup-rtags-flycheck ()
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"Setup rtags syntax checking."
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(when (or (spacemacs/enable-flycheck 'c-mode)
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(spacemacs/enable-flycheck 'c++-mode))
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(require 'flycheck-rtags)
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(flycheck-mode)))
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(defun spacemacs//c-c++-setup-rtags-semantic ()
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"Setup semantic for rtags."
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(semantic-mode)
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(spacemacs//disable-semantic-idle-summary-mode))
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(defun spacemacs/c-c++-use-rtags (&optional useFileManager)
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"Return non-nil if rtags function should be used."
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;; this function is used to fallback on gtags function if rtags is not
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;; supported. So if gtags layer is not used we disable the fallback by
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;; returning always t.
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(or (not (configuration-layer/layer-used-p 'gtags))
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(and (rtags-executable-find "rc")
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(cond ((not (gtags-get-rootpath)) t)
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((and (not (eq major-mode 'c++-mode))
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(not (eq major-mode 'c-mode))) (rtags-has-filemanager))
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(useFileManager (rtags-has-filemanager))
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(t (rtags-is-indexed))))))
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(defun spacemacs/c-c++-tags-find-symbol-at-point (&optional prefix)
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(interactive "P")
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(if (and (not (rtags-find-symbol-at-point prefix))
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rtags-last-request-not-indexed)
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(gtags-find-tag)))
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(defun spacemacs/c-c++-tags-find-references-at-point (&optional prefix)
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(interactive "P")
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(if (and (not (rtags-find-references-at-point prefix))
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rtags-last-request-not-indexed)
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(gtags-find-rtag)))
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(defun spacemacs/c-c++-tags-find-symbol ()
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(interactive)
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(call-interactively (if (spacemacs/c-c++-use-rtags)
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'rtags-find-symbol 'gtags-find-symbol)))
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(defun spacemacs/c-c++-tags-find-references ()
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(interactive)
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(call-interactively (if (spacemacs/c-c++-use-rtags)
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'rtags-find-references 'gtags-find-rtag)))
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(defun spacemacs/c-c++-tags-find-file ()
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(interactive)
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(call-interactively (if (spacemacs/c-c++-use-rtags t)
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'rtags-find-file 'gtags-find-file)))
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(defun spacemacs/c-c++-tags-imenu ()
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(interactive)
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(call-interactively (if (spacemacs/c-c++-use-rtags t)
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'rtags-imenu 'idomenu)))
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;; ycmd
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(defun spacemacs//c-c++-setup-ycmd ()
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"Setup ycmd backend."
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(add-to-list 'spacemacs-jump-handlers-c++-mode '(ycmd-goto :async t))
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(add-to-list 'spacemacs-jump-handlers-c-mode '(ycmd-goto :async t))
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(dolist (mode c-c++-modes)
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(spacemacs/set-leader-keys-for-major-mode mode
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"gG" 'ycmd-goto-imprecise))
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(ycmd-mode))
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(defun spacemacs//c-c++-setup-ycmd-company ()
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"Setup ycmd auto-completion."
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(spacemacs|add-company-backends
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:backends company-ycmd
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:modes c-mode-common
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:append-hooks nil
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:call-hooks t))
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(defun spacemacs//c-c++-setup-ycmd-eldoc ()
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"Setup ycmd eldoc integration."
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(ycmd-eldoc-setup))
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(defun spacemacs//c-c++-setup-ycmd-flycheck ()
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"Setup ycmd syntax checking."
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(when (or (spacemacs/enable-flycheck 'c-mode)
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(spacemacs/enable-flycheck 'c++-mode))
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(flycheck-ycmd-setup)
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(flycheck-mode)))
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(defun spacemacs//c-c++-setup-ycmd-semantic ()
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"Setup semantic for ycmd."
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(semantic-mode))
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;; style
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(defun spacemacs//c-toggle-auto-newline ()
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"Toggle auto-newline."
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(c-toggle-auto-newline 1))
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;; clang
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(defun spacemacs//c-c++-setup-clang-format ()
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"Setup clang format."
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(when c-c++-enable-clang-format-on-save
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(spacemacs/add-to-hooks 'spacemacs/clang-format-on-save c-c++-mode-hooks))
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(dolist (mode c-c++-modes)
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(spacemacs/declare-prefix-for-mode mode "m=" "format")
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(spacemacs/set-leader-keys-for-major-mode mode
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"==" 'spacemacs/clang-format-region-or-buffer
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"=f" 'spacemacs/clang-format-function)))
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(defun spacemacs/clang-format-function (&optional style)
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"Format the current function with clang-format according to STYLE."
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(interactive)
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(save-excursion
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(c-mark-function)
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(clang-format (region-beginning) (region-end) style)
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(deactivate-mark) ; If the function is already formatted, then remove the mark
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(message "Formatted function %s" (c-defun-name))))
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(defun spacemacs/clang-format-region-or-buffer (&optional style)
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"Format the current region or buffer with clang-format according to STYLE."
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(interactive)
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(save-excursion
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(if (region-active-p)
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(progn
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(clang-format-region (region-beginning) (region-end) style)
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(message "Formatted region"))
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(clang-format-buffer style)
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(message "Formatted buffer %s" (buffer-name)))))
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(defun spacemacs//clang-format-on-save ()
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"Format the current buffer with clang-format on save when
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`c-c++-enable-clang-format-on-save' is non-nil."
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(when c-c++-enable-clang-format-on-save
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(spacemacs/clang-format-region-or-buffer)))
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(defun spacemacs/clang-format-on-save ()
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"Add before-save hook for clang-format."
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(add-hook 'before-save-hook 'spacemacs//clang-format-on-save nil t))
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;; ccls
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(defun spacemacs/c-c++-lsp-ccls-call-hierarchy-inv ()
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(interactive)
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(ccls-call-hierarchy t))
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(defun spacemacs/c-c++-lsp-ccls-inheritance-hierarchy-inv ()
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(interactive)
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(ccls-inheritance-hierarchy t))
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;; cpp-auto-include
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(defalias 'spacemacs/c++-organize-includes 'cpp-auto-include)
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(defun spacemacs//c++-organize-includes-on-save ()
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"Organize the includes on save when `c++-enable-organize-includes-on-save'
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is non-nil."
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(when c++-enable-organize-includes-on-save
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(spacemacs/c++-organize-includes)))
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(defun spacemacs/c++-organize-includes-on-save ()
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"Add before-save hook for c++-organize-includes."
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(add-hook 'before-save-hook
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#'spacemacs//c++-organize-includes-on-save nil t))
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