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From: Michael Welsh Duggan <mwd@HIDDEN>
To: submit <at> debbugs.gnu.org
Subject: CC Mode 5.33.1 (C++//l); function-try-block handling suboptimal
X-Debbugs-Package: cc-mode
Date: Mon, 02 Jul 2018 19:32:19 -0400
Message-ID: <87k1qduscc.fsf@HIDDEN>
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--=-=-=
Content-Type: text/plain
Handling (indentation) of the function-try-block in C++ is sub-optimal.
I have included a simple example. See
<URL:https://en.cppreference.com/w/cpp/language/function-try-block> for
more information about function-try-block.
--=-=-=
Content-Type: text/x-c\+\+
Content-Disposition: inline
struct Foo
{
int x;
Foo()
: x(0) // member-init-intro (correct)
{ // inclass, inline-open
} // inline-close
};
struct Bar
{
int x;
Bar() try
: x(0) // substatement (incorrect)
{ // substatement-open (incorrect, maybe?)
} // incline-close
catch (...)
{
}
};
// Reasonable indentation
int foo() try {
} catch (...) {
}
// Bad indentation
int bar()
try {
} catch (...) {
}
--=-=-=
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Emacs : GNU Emacs 27.0.50 (build 4, x86_64-pc-linux-gnu, X toolkit)
of 2018-06-24
Package: CC Mode 5.33.1 (C++//l)
Buffer Style: Pharos
c-emacs-features: (pps-extended-state col-0-paren posix-char-classes gen-st=
ring-delim gen-comment-delim syntax-properties 1-bit)
current state:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
(setq
c-basic-offset 2
c-comment-only-line-offset 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 '((pike-mode . "//+!?\\|\\**") (awk-mode . "#+")
(other . "//+\\|\\**"))
c-doc-comment-style '((java-mode . javadoc) (pike-mode . autodoc)
(c-mode . gtkdoc))
c-cleanup-list '(scope-operator)
c-hanging-braces-alist '((brace-list-open) (brace-entry-open)
(statement-cont) (substatement-open after)
(block-close . c-snug-do-while)
(extern-lang-open after) (namespace-open after)
(module-open after) (composition-open after)
(inexpr-class-open after)
(inexpr-class-close before) (arglist-cont-nonempt=
y))
c-hanging-colons-alist nil
c-hanging-semi&comma-criteria '(c-semi&comma-inside-parenlist)
c-backslash-column 48
c-backslash-max-column 72
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c-label-minimum-indentation 1
c-offsets-alist '((inexpr-class . +)
(inexpr-statement . +)
(lambda-intro-cont . +)
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(template-args-cont c-lineup-template-args +)
(incomposition . +)
(inmodule . +)
(innamespace . 0)
(inextern-lang . 0)
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(module-close . 0)
(namespace-close . 0)
(extern-lang-close . 0)
(composition-open . 0)
(module-open . 0)
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(extern-lang-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])
(friend . 0)
(cpp-define-intro c-lineup-cpp-define +)
(cpp-macro-cont . +)
(cpp-macro . [0])
(inclass . +)
(stream-op . c-lineup-streamop)
(arglist-cont-nonempty
c-lineup-gcc-asm-reg
c-lineup-arglist
)
(arglist-cont c-lineup-gcc-asm-reg 0)
(comment-intro
c-lineup-knr-region-comment
c-lineup-comment
)
(catch-clause . 0)
(else-clause . 0)
(do-while-closure . 0)
(access-label . /)
(case-label . *)
(substatement . +)
(statement-case-intro . *)
(statement . 0)
(brace-entry-open . 0)
(brace-list-entry . c-lineup-under-anchor)
(brace-list-close . 0)
(block-close . 0)
(block-open . 0)
(inher-cont . c-lineup-multi-inher)
(inher-intro . +)
(member-init-cont . c-lineup-multi-inher)
(member-init-intro . +)
(annotation-var-cont . +)
(annotation-top-cont . 0)
(topmost-intro . 0)
(knr-argdecl . 0)
(func-decl-cont . +)
(inline-close . 0)
(class-close . 0)
(class-open . 0)
(defun-block-intro . +)
(defun-close . 0)
(defun-open . 0)
(c . c-lineup-C-comments)
(string . c-lineup-dont-change)
(topmost-intro-cont . c-lineup-topmost-intro-cont)
(brace-list-intro . +)
(brace-list-open . 0)
(inline-open . 0)
(arglist-close . +)
(arglist-intro . +)
(statement-cont . c-lineup-math)
(statement-case-open . *)
(label . *)
(substatement-label . 2)
(substatement-open . 0)
(knr-argdecl-intro . +)
(statement-block-intro . +)
)
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 8
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 70
paragraph-start "[ ]*\\(//+\\|\\**\\)[ ]*$\\|^\f"
adaptive-fill-mode t
adaptive-fill-regexp "[ ]*\\(//+\\|\\**\\)[ ]*\\([ ]*\\([-=E2=80=93!|#%=
;>*=C2=B7=E2=80=A2=E2=80=A3=E2=81=83=E2=97=A6]+[ ]*\\)*\\)"
)
--=20
Michael Welsh Duggan
(md5i@HIDDEN)
--=-=-=--
Michael Welsh Duggan <mwd@HIDDEN>:bug-cc-mode@HIDDEN.
Full text available.bug-cc-mode@HIDDEN:bug#32044; Package cc-mode.
Full text available.
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