135 lines
5.0 KiB
EmacsLisp
135 lines
5.0 KiB
EmacsLisp
;;; c++.el --- C++ settings. -*- 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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(when (and (executable-find "clang-tidy")
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;; clang-tidy is built into clangd >= 9.
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(< (my/clangd-version) 9.0))
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(use-package flycheck-clang-tidy
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:unless slow-computer
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:after (flycheck projectile lsp-ui)
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:defines (lsp-mode)
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:functions (flycheck-clang-tidy-setup)
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:config (progn
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(defun my/clang-tidy-off ()
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"Disable c/c++-clang-tidy."
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(when (or (eq major-mode 'c++-mode)
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(eq major-mode 'c-mode))
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(add-to-list 'flycheck-disabled-checkers
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'c/c++-clang-tidy)))
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(defun my/clang-tidy-on ()
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"Enable c/c++-clang-tidy."
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(when (or (eq major-mode 'c++-mode)
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(eq major-mode 'c-mode))
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(setq-local flycheck-disabled-checkers
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(remove 'c/c++-clang-tidy
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flycheck-disabled-checkers))))
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(defun my/flycheck-clang-tidy-setup ()
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(flycheck-clang-tidy-setup)
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;; Run clang-tidy after the lsp-ui checker.
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(when lsp-mode
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(unless (equal (flycheck-get-next-checker-for-buffer
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'lsp-ui) 'c/c++-clang-tidy)
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(flycheck-add-next-checker
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'lsp-ui '(warning . c/c++-clang-tidy))))))
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:hook ((flycheck-mode . my/flycheck-clang-tidy-setup)
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(first-change . my/clang-tidy-off) ; Disable when file is modified.
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(before-save . my/clang-tidy-on)))) ; Enable if file is saved.
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;; Highlight Doxygen comments.
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(use-package highlight-doxygen
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:custom-face
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(highlight-doxygen-comment ((t (:inherit font-lock-comment-face
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:foreground "#667788"))))
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(highlight-doxygen-code-block ((t (nil)))) ; Disable background-color.
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:hook (prog-mode . highlight-doxygen-mode))
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;; Set coding style.
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(use-package cc-mode
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:defer 2
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:commands (cc-mode)
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:config (progn
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(c-add-style ; Construct own coding style definition.
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"tastytea"
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'("bsd"
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(c-basic-offset . 4) ; Indent with 4 spaces.
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(c-offsets-alist
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. ((innamespace . [0]) ; Don't indent in namespaces.
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(statement-cont . (c-lineup-assignments
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c-lineup-string-cont
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c-lineup-cascaded-calls
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c-lineup-class-decl-init-after-brace
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+))) )))
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(c-add-style
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"tastytea-legacy" ; For old code.
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'("bsd"
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(c-basic-offset . 4)))
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(defun my/get-builddir ()
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(if (member 'projectile-mode minor-mode-list)
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(concat (projectile-project-root) "build")
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nil)))
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:custom (c-default-style "tastytea"))
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;; Highlighting, indentation and documentation for CMake.
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(use-package cmake-mode
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:straight nil ; Only install if not installed by OS.
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:init (unless (fboundp 'cmake-mode)
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(straight-use-package
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'(cmake-mode)))
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:mode (("CMakeLists\\.txt$" . cmake-mode)
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("\\.cmake$" . cmake-mode)))
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;; Advanced highlighting for CMake.
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(use-package cmake-font-lock
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:after cmake-mode)
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;; CMake reference.
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(use-package eldoc-cmake
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:after cmake-mode
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:hook (cmake-mode . eldoc-cmake-enable))
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(use-package gdb-mi
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:straight (:type built-in)
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:custom ((gdb-many-windows t)
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(gdb-show-main t)))
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;; ;; Extra highlighting.
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;; (use-package modern-cpp-font-lock
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;; :diminish modern-c++-font-lock-mode
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;; :hook (c++-mode . modern-c++-font-lock-mode))
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(use-package find-file
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:defer 2
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:custom (cc-search-directories '("." ; Set directories for ff-find-other-file.
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"../src"
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"../include"
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"../../src"
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"../../include"
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"../src/*"
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"../include/*"
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"../../src/*"
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"../../include/*"
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"/usr/include"
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"/usr/local/include/*")))
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(when (executable-find "clang-format")
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(use-package clang-format
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:commands (clang-format-buffer my/clang-format-buffer-maybe)
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:config (defun my/clang-format-buffer-maybe ()
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"Run `clang-format-buffer' if `my/reformat-save' is t."
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(when my/reformat-save
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(clang-format-buffer)))
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:hook ((c-mode-common
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. (lambda () (add-hook 'before-save-hook
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#'my/clang-format-buffer-maybe nil t))))))
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(provide 'programming/c++)
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;;; c++.el ends here
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