kakoune/rc/cpp.kak

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hook global BufCreate .*\.(c|cc|cpp|cxx|C|h|hh|hpp|hxx|H) %{
set buffer filetype cpp
}
hook global BufSetOption mimetype=text/x-c(\+\+)? %{
set buffer filetype cpp
}
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def -hidden _cpp_indent_on_new_line %~
eval -draft -itersel %_
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# preserve previous line indent
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try %{ exec -draft \;K<a-&> }
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# indent after lines ending with { or (
try %[ exec -draft k<a-x> <a-k> [{(]\h*$ <ret> j<a-gt> ]
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# cleanup trailing white space son previous line
try %{ exec -draft k<a-x> s \h+$ <ret>d }
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# align to opening paren of previous line
try %{ exec -draft [( <a-k> \`\([^\n]+\n[^\n]*\n?\' <ret> s \`\(\h*.|.\' <ret> '<a-;>' & }
# align to previous statement start when previous line closed a parenthesis
# try %{ exec -draft <a-?>\)M<a-k>\`\(.*\)[^\n()]*\n\h*\n?\'<ret>s\`|.\'<ret>1<a-&> }
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# copy // comments prefix
try %{ exec -draft \;<c-s>k<a-x> s ^\h*\K/{2,} <ret> y<c-o><c-o>P<esc> }
# indent after visibility specifier
try %[ exec -draft k<a-x> <a-k> ^\h*(public|private|protected):\h*$ <ret> j<a-gt> ]
# indent after if|else|while|for
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try %[ exec -draft \;<a-F>)MB <a-k> \`(if|else|while|for)\h*\(.*\)\h*\n\h*\n?\' <ret> s \`|.\' <ret> 1<a-&>1<a-space><a-gt> ]
_
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~
def -hidden _cpp_indent_on_opening_curly_brace %[
# align indent with opening paren when { is entered on a new line after the closing paren
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try %[ exec -draft -itersel h<a-F>)M <a-k> \`\(.*\)\h*\n\h*\{\' <ret> s \`|.\' <ret> 1<a-&> ]
]
def -hidden _cpp_indent_on_closing_curly_brace %[
# align to opening curly brace when alone on a line
try %[ exec -itersel -draft <a-h><a-k>^\h+\}$<ret>hms\`|.\'<ret>1<a-&> ]
# add ; after } if class or struct definition
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try %[ exec -draft "hm;<a-?>(class|struct|union)<ret><a-k>\`(class|struct|union)[^{}\n]+(\n)?\s*\{\'<ret><a-;>ma;<esc>" ]
]
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addhl -group / regions -default code cpp \
string %{(?<!')"} %{(?<!\\)(\\\\)*"} '' \
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comment /\* \*/ '' \
comment // $ '' \
disabled ^\h*?#\h*if\h+(0|FALSE)\b '#\h*(else|elif|endif)' '#\h*if(def)?' \
macro ^\h*?\K# (?<!\\)\n ''
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addhl -group /cpp/string fill string
addhl -group /cpp/comment fill comment
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addhl -group /cpp/disabled fill rgb:666666
addhl -group /cpp/macro fill meta
addhl -group /cpp/code regex %{\<(this|true|false|NULL|nullptr|)\>|\<-?\d+[fdiu]?|'((\\.)?|[^'\\])'} 0:value
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addhl -group /cpp/code regex "\<(void|int|char|unsigned|float|bool|size_t)\>" 0:type
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addhl -group /cpp/code regex "\<(while|for|if|else|do|switch|case|default|goto|break|continue|return|using|try|catch|throw|new|delete|and|or|not|operator|explicit|(?:reinterpret|const|static|dynamic)_cast)\>" 0:keyword
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addhl -group /cpp/code regex "\<(const|constexpr|mutable|auto|namespace|inline|static|volatile|class|struct|enum|union|public|protected|private|template|typedef|virtual|friend|extern|typename|override|final)\>" 0:attribute
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hook global WinSetOption filetype=cpp %[
addhl ref cpp
# cleanup trailing whitespaces when exiting insert mode
hook window InsertEnd .* -group cpp-hooks %{ try %{ exec -draft <a-x>s\h+$<ret>d } }
hook window InsertChar \n -group cpp-indent _cpp_indent_on_new_line
hook window InsertChar \{ -group cpp-indent _cpp_indent_on_opening_curly_brace
hook window InsertChar \} -group cpp-indent _cpp_indent_on_closing_curly_brace
alias window alt cpp-alternative-file
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]
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hook global WinSetOption filetype=(?!cpp).* %{
rmhl cpp
rmhooks window cpp-indent
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rmhooks window cpp-hooks
unalias window alt cpp-alternative-file
}
def -hidden _cpp_insert_include_guards %{
exec ggi<c-r>%<ret><esc>ggxs\.<ret>c_<esc><space>A_INCLUDED<esc>ggxyppI#ifndef<space><esc>jI#define<space><esc>jI#endif<space>//<space><esc>O<esc>
}
hook global BufNew .*\.(h|hh|hpp|hxx|H) _cpp_insert_include_guards
decl str-list alt_dirs ".;.."
def cpp-alternative-file -docstring "Jump to the alternate file (header/implementation)" %{ %sh{
alt_dirs=$(echo ${kak_opt_alt_dirs} | sed -e 's/;/ /g')
file=$(basename ${kak_buffile})
dir=$(dirname ${kak_buffile})
case ${file} in
*.c|*.cc|*.cpp|*.cxx|*.C|*.inl)
for alt_dir in ${alt_dirs}; do
for ext in h hh hpp hxx H; do
altname="${dir}/${alt_dir}/${file%.*}.${ext}"
[ -f ${altname} ] && break
done
[ -f ${altname} ] && break
done
;;
*.h|*.hh|*.hpp|*.hxx|*.H)
for alt_dir in ${alt_dirs}; do
for ext in c cc cpp cxx C; do
altname="${dir}/${alt_dir}/${file%.*}.${ext}"
[ -f ${altname} ] && break
done
[ -f ${altname} ] && break
done
;;
*)
echo "'extension not recognized'"
exit
;;
esac
if [ -f ${altname} ]; then
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echo edit "'${altname}'"
else
echo echo "'alternative file not found'"
fi
}}