Package: cc-mode;
Reported by: Zhiwei Chen <condy0919 <at> gmail.com>
Date: Sat, 2 Jul 2022 19:13:01 UTC
Severity: normal
Done: Alan Mackenzie <acm <at> muc.de>
Bug is archived. No further changes may be made.
View this message in rfc822 format
From: Zhiwei Chen <condy0919 <at> gmail.com> To: 56362 <at> debbugs.gnu.org Subject: bug#56362: CC Mode 5.35.1 (C++//l); Highlight for C++20 keywords Date: Sun, 03 Jul 2022 03:12:28 +0800
Package: cc-mode
See the comments.
#+begin_src C++
#if __has_include(<bits/stdc++.h>)
#include <bits/stdc++.h>
#endif
#include <cstdint>
#include <concepts>
// no highlight for consteval keyword
consteval int sqr(int x) {
return x * x;
}
// no highlight for constinit keyword
constinit int four = sqr(16);
class Foo {
public:
// <=> highlights wrong
auto operator<=>(const Foo&) const = default;
private:
// no highlight for alignas keyword
alignas(alignof(std::uint64_t)) int val_;
};
template <typename T>
requires std::integral<T> // 'requires' occasionally has a font-lock-type-face
T add(T a, T b) {
return a + b;
}
int main() {
const char8_t c1 = 0; // char8_t is missing in `c-primitive-type-kwds'. cc-langs.el L2205
return 0;
}
#+end_src
Emacs : GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.34, cairo version 1.17.6)
of 2022-07-02
Package: CC Mode 5.35.1 (C++//l)
Buffer Style: gnu
c-emacs-features: (pps-extended-state col-0-paren posix-char-classes gen-string-delim gen-comment-delim syntax-properties 1-bit)
current state:
==============
(setq
c-basic-offset 4
c-comment-only-line-offset '(0 . 0)
c-indent-comment-alist '((anchored-comment column . 0) (end-block space . 1)
(cpp-end-block space . 2))
c-indent-comments-syntactically-p nil
c-block-comment-prefix ""
c-comment-prefix-regexp '((c-mode . "//+!?\\|\\**") (c++-mode . "//+!?\\|\\**")
(awk-mode . "#+") (other . "//+\\|\\**"))
c-doc-comment-style '((c-mode . gtkdoc) (c++-mode . doxygen))
c-cleanup-list '(scope-operator)
c-hanging-braces-alist '((substatement-open before after) (arglist-cont-nonempty))
c-hanging-colons-alist nil
c-hanging-semi&comma-criteria '(c-semi&comma-inside-parenlist)
c-backslash-column 48
c-backslash-max-column 72
c-special-indent-hook '(t c-gnu-impose-minimum)
c-label-minimum-indentation 0
c-offsets-alist '((inexpr-class . +)
(incomposition . +)
(inmodule . +)
(composition-close . 0)
(module-close . 0)
(composition-open . 0)
(module-open . 0)
(objc-method-call-cont
c-lineup-ObjC-method-call-colons
c-lineup-ObjC-method-call
+
)
(objc-method-args-cont . c-lineup-ObjC-method-args)
(objc-method-intro . [0])
(cpp-define-intro c-lineup-cpp-define +)
(annotation-var-cont . +)
(annotation-top-cont . 0)
(knr-argdecl . 0)
(knr-argdecl-intro . 5)
(c . c-lineup-C-comments)
(string . c-lineup-dont-change)
(defun-open . 0)
(defun-close . 0)
(defun-block-intro . +)
(class-open . 0)
(class-close . 0)
(access-label . -)
(inline-open . 0)
(inline-close . 0)
(inclass . +)
(friend . 0)
(func-decl-cont . +)
(brace-list-open . 0)
(brace-list-close . 0)
(brace-list-intro . +)
(brace-list-entry . 0)
(brace-entry-open . 0)
(namespace-open . 0)
(namespace-close . 0)
(innamespace . 0)
(block-open . 0)
(block-close . 0)
(topmost-intro . 0)
(topmost-intro-cont . c-lineup-topmost-intro-cont)
(member-init-intro . +)
(member-init-cont . c-lineup-multi-inher)
(inher-intro . +)
(inher-cont . c-lineup-multi-inher)
(statement . 0)
(statement-cont c-lineup-ternary-bodies +)
(statement-block-intro . +)
(statement-case-intro . +)
(statement-case-open . +)
(substatement . +)
(substatement-open . 0)
(substatement-label . 0)
(case-label . 0)
(label . 0)
(do-while-closure . 0)
(else-clause . 0)
(catch-clause . 0)
(comment-intro . c-lineup-comment)
(arglist-intro . +)
(arglist-cont . 0)
(arglist-cont-nonempty . c-lineup-arglist)
(arglist-close . c-lineup-close-paren)
(stream-op . c-lineup-streamop)
(cpp-macro . -1000)
(cpp-macro-cont . +)
(extern-lang-open . 0)
(extern-lang-close . 0)
(inextern-lang . 0)
(inlambda . 0)
(lambda-intro-cont . +)
(inexpr-statement . 0)
(template-args-cont c-lineup-template-args +)
)
c-buffer-is-cc-mode 'c++-mode
c-tab-always-indent t
c-syntactic-indentation t
c-syntactic-indentation-in-macros t
c-ignore-auto-fill '(string cpp code)
c-auto-align-backslashes t
c-backspace-function 'backward-delete-char-untabify
c-delete-function 'delete-char
c-electric-pound-behavior nil
c-default-style '((java-mode . "java") (awk-mode . "awk") (other . "gnu"))
c-enable-xemacs-performance-kludge-p nil
c-old-style-variable-behavior nil
defun-prompt-regexp nil
tab-width 4
comment-column 32
parse-sexp-ignore-comments t
parse-sexp-lookup-properties t
auto-fill-function nil
comment-multi-line t
comment-start-skip "\\(?://+\\|/\\*+\\)\\s *"
fill-prefix nil
fill-column 80
paragraph-start "[ ]*\\(//+!?\\|\\**\\)[ ]*$\\|^\f"
adaptive-fill-mode t
adaptive-fill-regexp "[ ]*\\(//+!?\\|\\**\\)[ ]*\\([ ]*\\([-–!|#%;>*·•‣⁃◦]+[ ]*\\)*\\)"
)
--
Zhiwei Chen
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997,2003 nCipher Corporation Ltd,
1994-97 Ian Jackson.