Syntax highlighting support for "Modern C++" - until C++20 and Technical Specification. This package aims to provide a simple highlight of the C++ language without dependency.
It is recommended to use it in addition with the c++-mode major mode for extra highlighting (user defined types, functions, etc.) and indentation.
With modern-c++-font-lock-mode:
Using GNU Emacs 27.0.50 and CC Mode version 5.33.2.
modern-cpp-font-lock is available on the major package.el community maintained repo - MELPA.
You can install it with the following command:
M-x package-install [RET] modern-cpp-font-lock [RET]
In your init Emacs file add:
(add-hook 'c++-mode-hook #'modern-c++-font-lock-mode)
or:
(modern-c++-font-lock-global-mode t)
In your init Emacs file add:
(use-package modern-cpp-font-lock
:ensure t)
Download modern-cpp-font-lock.el into a directory of your load-path. Place the following lines in a suitable init file:
(require 'modern-cpp-font-lock)
(modern-c++-font-lock-global-mode t)
modern-c++-font-lock-mode will be activated for buffers using the c++-mode major-mode.
For the current buffer, the minor-mode can be turned on/off via the command:
M-x modern-c++-font-lock-mode [RET]
You can modify the following lists to recognize more words or set it to nil to partially disable font locking:
modern-c++-attributes - [[deprecated]], [[noreturn]], etc.modern-c++-keywords - if, constexpr, noexcept, etc.modern-c++-operators - ...modern-c++-preprocessors - #define, __LINE__, __cplusplus, etc.modern-c++-types - bool, char, double, etc.Set to t (default value) to enable the following options or otherwise to nil:
modern-c++-literal-boolean - false, truemodern-c++-literal-integer - 0b101010, 18446744073709550592LLU, 0XdeadBABEu, etc.modern-c++-literal-null-pointer - nullptrmodern-c++-literal-string - R"xyz()")xyz", L"hello\ngoodbye", "abcd", etc.Configure the following list to customize font locking for literal integers:
modern-c++-literal-binary-prefix-facemodern-c++-literal-binary-infix-facemodern-c++-literal-binary-suffix-facemodern-c++-literal-octal-prefix-facemodern-c++-literal-octal-infix-facemodern-c++-literal-octal-suffix-facemodern-c++-literal-hex-prefix-facemodern-c++-literal-hex-infix-facemodern-c++-literal-hex-suffix-facemodern-c++-literal-dec-infix-facemodern-c++-literal-dec-suffix-faceSet to t (default value) to enable the following font lock options. Otherwise use nil:
modern-c++-stl-cstdint - Define the header <cstdint>When modern-c++-font-lock-mode is activated, mc++fl is displayed.
The Wiki is available: https://github.com/ludwigpacifici/modern-cpp-font-lock/wiki
Font-lock keywords are tested with the faceup package of Anders Lindgren.
If you find a bug, please check if you can reproduce with c++-mode only. If it is the case, send your bug upstream to CC Mode
Do not hesitate to ask questions or share suggestions.
Happy coding!
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