spacemacs/layers/+lang/c-c++/packages.el

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;;; packages.el --- C/C++ Layer packages File for Spacemacs
;;
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;; Copyright (c) 2012-2018 Sylvain Benner & Contributors
;;
;; Author: Sylvain Benner <sylvain.benner@gmail.com>
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3
(setq c-c++-packages
'(
cc-mode
clang-format
company
(company-c-headers :requires company)
(company-rtags :requires company rtags)
company-ycmd
counsel-gtags
disaster
flycheck
(flycheck-rtags :requires flycheck rtags)
gdb-mi
ggtags
google-c-style
helm-cscope
helm-gtags
(helm-rtags :requires helm rtags)
(ivy-rtags :requires ivy rtags)
org
realgud
rtags
semantic
srefactor
stickyfunc-enhance
xcscope
ycmd
;;lsp-backend
(cquery :requires lsp-mode)
(ccls :requires lsp-mode)
projectile
))
(defun c-c++/init-cc-mode ()
(use-package cc-mode
:defer t
:init
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(progn
(add-to-list 'auto-mode-alist
`("\\.h\\'" . ,c-c++-default-mode-for-headers))
(when c-c++-enable-auto-newline
(add-hook 'c-mode-common-hook 'spacemacs//c-toggle-auto-newline)))
:config
(progn
(require 'compile)
(dolist (mode c-c++-modes)
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(spacemacs/declare-prefix-for-mode mode "mc" "compile")
(spacemacs/declare-prefix-for-mode mode "mg" "goto")
(spacemacs/declare-prefix-for-mode mode "mp" "project")
(spacemacs/set-leader-keys-for-major-mode mode
"ga" 'projectile-find-other-file
"gA" 'projectile-find-other-file-other-window)))))
(defun c-c++/init-clang-format ()
(use-package clang-format
:if (or c-c++-enable-clang-support (spacemacs//c-c++-lsp-enabled))
:init
(progn
(when c-c++-enable-clang-format-on-save
(spacemacs/add-to-hooks 'spacemacs/clang-format-on-save c-c++-mode-hooks))
(dolist (mode c-c++-modes)
(spacemacs/declare-prefix-for-mode mode "m=" "format")
(spacemacs/set-leader-keys-for-major-mode mode
"==" 'spacemacs/clang-format-region-or-buffer
"=f" 'spacemacs/clang-format-function)))))
(defun c-c++/post-init-company ()
(when (configuration-layer/package-used-p 'cmake-mode)
Refactor and simplify company backends declaration Enabling a company backend for a specific mode was a tedious tasks with code scattered at different locations, one for local variable definitions, one for company hook function definitions and another where the backends were pushed to the local variables (which was problematic, since we ended up pushing the same backends over and over again with `SPC f e R`, pushes have been replaced by add-to-list calls in the new macro). All these steps are now put together at one place with the new macro spacemacs|add-company-backends, check its docstring for more info on its arguments. This macro also allows to define arbitrary buffer local variables to tune company for specific modes (similar to layer variables via a keyword :variables) The code related to company backends management has been moved to the auto-completion layer in the funcs.el file. A nice side effect of this move is that it enforces correct encapsulation of company backends related code. We can now easily detect if there is some configuration leakage when the auto-completion layer is not used. But we loose macro expansion at file loading time (not sue it is a big concern though). The function spacemacs|enable-auto-complete was never used so it has been deleted which led to the deletion of the now empty file core-auto-completion.el. The example in LAYERS.org regarding auto-completion is now out of date and has been deleted. An example to setup auto-completion is provided in the README.org file of the auto-completion layer.
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(spacemacs|add-company-backends :backends company-cmake :modes cmake-mode))
(when c-c++-enable-clang-support
(if (spacemacs//c-c++-lsp-enabled)
(display-warning :error "`c-c++-enable-clang-support' ignored when using lsp backend")
(progn
(spacemacs|add-company-backends :backends company-clang :modes c-mode-common)
(setq company-clang-prefix-guesser 'spacemacs/company-more-than-prefix-guesser)
(spacemacs/add-to-hooks 'spacemacs/c-c++-load-clang-args c-c++-mode-hooks)
()))))
(defun c-c++/init-company-c-headers ()
(use-package company-c-headers
:defer t
Refactor and simplify company backends declaration Enabling a company backend for a specific mode was a tedious tasks with code scattered at different locations, one for local variable definitions, one for company hook function definitions and another where the backends were pushed to the local variables (which was problematic, since we ended up pushing the same backends over and over again with `SPC f e R`, pushes have been replaced by add-to-list calls in the new macro). All these steps are now put together at one place with the new macro spacemacs|add-company-backends, check its docstring for more info on its arguments. This macro also allows to define arbitrary buffer local variables to tune company for specific modes (similar to layer variables via a keyword :variables) The code related to company backends management has been moved to the auto-completion layer in the funcs.el file. A nice side effect of this move is that it enforces correct encapsulation of company backends related code. We can now easily detect if there is some configuration leakage when the auto-completion layer is not used. But we loose macro expansion at file loading time (not sue it is a big concern though). The function spacemacs|enable-auto-complete was never used so it has been deleted which led to the deletion of the now empty file core-auto-completion.el. The example in LAYERS.org regarding auto-completion is now out of date and has been deleted. An example to setup auto-completion is provided in the README.org file of the auto-completion layer.
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:init (spacemacs|add-company-backends
:backends company-c-headers
:modes c-mode-common)))
(defun c-c++/init-company-rtags ()
(use-package company-rtags
:if (and (eq c-c++-backend 'rtags) c-c++-enable-rtags-completion)
:defer t
:init
(progn
(setq rtags-completions-enabled t)
(spacemacs|add-company-backends
:backends company-rtags
:modes c-mode-common))))
(defun c-c++/post-init-company-ycmd ()
(spacemacs|add-company-backends :backends company-ycmd :modes c-mode-common))
(defun c-c++/post-init-counsel-gtags ()
(dolist (mode c-c++-modes)
(spacemacs/counsel-gtags-define-keys-for-mode mode)))
(defun c-c++/init-disaster ()
(use-package disaster
:defer t
:commands (disaster)
:init
(progn
(dolist (mode c-c++-modes)
(spacemacs/set-leader-keys-for-major-mode mode
"D" 'disaster)))))
(defun c-c++/post-init-flycheck ()
(dolist (mode c-c++-modes)
(spacemacs/enable-flycheck mode))
(when c-c++-enable-clang-support
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(spacemacs/add-to-hooks 'spacemacs/c-c++-load-clang-args c-c++-mode-hooks)))
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;; TODO lazy load this package
(defun c-c++/init-flycheck-rtags ()
(use-package flycheck-rtags
:if (eq c-c++-backend 'rtags)))
(defun c-c++/post-init-ggtags ()
(add-hook 'c-mode-local-vars-hook #'spacemacs/ggtags-mode-enable)
(add-hook 'c++-mode-local-vars-hook #'spacemacs/ggtags-mode-enable))
(defun c-c++/init-gdb-mi ()
(use-package gdb-mi
:defer t
:init
(setq
;; use gdb-many-windows by default when `M-x gdb'
gdb-many-windows t
;; Non-nil means display source file containing the main routine at startup
gdb-show-main t)))
(defun c-c++/init-google-c-style ()
(use-package google-c-style
:if (or 'c-c++-enable-google-style 'c-c++-enable-google-newline)
:config (progn
(when c-c++-enable-google-style (add-hook 'c-mode-common-hook 'google-set-c-style))
(when c-c++-enable-google-newline (add-hook 'c-mode-common-hook 'google-make-newline-indent)))))
(defun c-c++/pre-init-helm-cscope ()
(spacemacs|use-package-add-hook xcscope
:post-init
(dolist (mode c-c++-modes)
(spacemacs/setup-helm-cscope mode))))
(defun c-c++/post-init-helm-gtags ()
(dolist (mode c-c++-modes)
(spacemacs/helm-gtags-define-keys-for-mode mode)))
;; TODO lazy load this package
(defun c-c++/init-helm-rtags ()
(use-package helm-rtags
:if (eq c-c++-backend 'rtags)
:init (setq rtags-display-result-backend 'helm)))
;; TODO lazy load this package
(defun c-c++/init-ivy-rtags ()
(use-package ivy-rtags
:if (eq c-c++-backend 'rtags)
:init (setq rtags-display-result-backend 'ivy)))
;; TODO lazy load this package
(defun c-c++/init-rtags ()
(use-package rtags
:if (eq c-c++-backend 'rtags)
:init
(progn
(setq rtags-autostart-diagnostics t)
(add-hook 'rtags-jump-hook 'evil-set-jump)
(rtags-diagnostics)
;; key bindings
(evil-define-key 'normal rtags-mode-map
(kbd "RET") 'rtags-select-other-window
(kbd "M-RET") 'rtags-select
(kbd "q") 'rtags-bury-or-delete)
;; TODO check for consistency with gtags key bindings
;; see https://github.com/syl20bnr/spacemacs/blob/develop/layers/+tags/gtags/funcs.el#L70
(dolist (mode c-c++-modes)
(spacemacs/set-leader-keys-for-major-mode mode
"g." 'spacemacs/c-c++-tags-find-symbol-at-point
"g," 'spacemacs/c-c++-tags-find-references-at-point
"g;" 'spacemacs/c-c++-tags-find-file
"g/" 'rtags-find-all-references-at-point
"g[" 'rtags-location-stack-back
"g]" 'rtags-location-stack-forward
"g>" 'spacemacs/c-c++-tags-find-symbol
"g<" 'spacemacs/c-c++-tags-find-references
"gB" 'rtags-show-rtags-buffer
"gd" 'rtags-print-dependencies
"gD" 'rtags-diagnostics
"ge" 'rtags-reparse-file
"gE" 'rtags-preprocess-file
"gF" 'rtags-fixit
"gG" 'rtags-guess-function-at-point
"gh" 'rtags-print-class-hierarchy
"gI" 'spacemacs/c-c++-tags-imenu
"gL" 'rtags-copy-and-print-current-location
"gM" 'rtags-symbol-info
"gO" 'rtags-goto-offset
"gp" 'rtags-set-current-project
"gR" 'rtags-rename-symbol
"gs" 'rtags-print-source-arguments
"gS" 'rtags-display-summary
"gT" 'rtags-taglist
"gv" 'rtags-find-virtuals-at-point
"gV" 'rtags-print-enum-value-at-point
"gX" 'rtags-fix-fixit-at-point
"gY" 'rtags-cycle-through-diagnostics)))))
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(defun c-c++/post-init-realgud()
(dolist (mode c-c++-modes)
(spacemacs/add-realgud-debugger mode "gdb")))
(defun c-c++/post-init-semantic ()
(spacemacs/add-to-hooks 'semantic-mode c-c++-mode-hooks))
(defun c-c++/post-init-srefactor ()
(dolist (mode c-c++-modes)
(spacemacs/set-leader-keys-for-major-mode mode "r." 'srefactor-refactor-at-point))
(spacemacs/add-to-hooks 'spacemacs/load-srefactor c-c++-mode-hooks))
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(defun c-c++/post-init-stickyfunc-enhance ()
(spacemacs/add-to-hooks 'spacemacs/load-stickyfunc-enhance c-c++-mode-hooks))
(defun c-c++/post-init-ycmd ()
(spacemacs/add-to-hooks 'ycmd-mode c-c++-mode-hooks)
(add-to-list 'spacemacs-jump-handlers-c++-mode '(ycmd-goto :async t))
(add-to-list 'spacemacs-jump-handlers-c-mode '(ycmd-goto :async t))
(dolist (mode c-c++-modes)
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(spacemacs/set-leader-keys-for-major-mode mode
"gG" 'ycmd-goto-imprecise)))
(defun c-c++/pre-init-org ()
(spacemacs|use-package-add-hook org
:post-config (add-to-list 'org-babel-load-languages '(C . t))))
(defun c-c++/pre-init-xcscope ()
(spacemacs|use-package-add-hook xcscope
:post-init
(dolist (mode c-c++-modes)
(spacemacs/set-leader-keys-for-major-mode mode "gi" 'cscope-index-files))))
;; BEGIN LSP BACKEND PACKAGES
;; See also https://github.com/cquery-project/cquery/wiki/Emacs
;; :mode "\\.c..'" appears to work for deferred loading, in terms of registration with lsp layer
;; however results in a warning in the log as the package doesn't define a function 'cquery'
;; So probably preferable not to defer
(defun c-c++/init-cquery ()
(use-package cquery
:if (eq c-c++-backend 'lsp-cquery)
:init
(add-hook 'c-mode-common-hook 'lsp)
:config
(spacemacs//c-c++-lsp-config)))
;; See also https://github.com/MaskRay/ccls/wiki/Emacs
(defun c-c++/init-ccls ()
(use-package ccls
:if (eq c-c++-backend 'lsp-ccls)
:init
(add-hook 'c-mode-common-hook 'lsp)
:config
(spacemacs//c-c++-lsp-config)))
;;Intentionally adding both cquery and ccls cache dirs to ignore list, to facilitate switching between
;;two without multiple caches polluting projectile find file results
(defun c-c++/pre-init-projectile ()
(spacemacs|use-package-add-hook projectile
:post-config
(progn
(add-to-list 'projectile-globally-ignored-directories ".cquery_cached_index")
(add-to-list 'projectile-globally-ignored-directories ".ccls-cache")
(when c-c++-lsp-cache-dir
(add-to-list 'projectile-globally-ignored-directories c-c++-lsp-cache-dir))
(when c-c++-adopt-subprojects
(setq projectile-project-root-files-top-down-recurring
(append '("compile_commands.json"
".cquery")
projectile-project-root-files-top-down-recurring))))))
;; END LSP BACKEND PACKAGES