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
try %{ exec -draft <space>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 \`\(\h*.|.\' <ret> & }
# align to previous statement start when previous line closed a parenthesis
# try %{ exec -draft <a-?>\)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>P }
# 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
try %[ exec -draft <space><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+\}$<ret>hms\`|.\'<ret>1<a-&> ]
# add ; after } if class or struct definition
try %[ exec -draft "hm<space><a-?>(class|struct)<ret><a-k>\`(class|struct)[^{}\n]+(\n)?\s*\{\'<ret><a-space>ma;<esc>" ]
]
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defhl cpp
addhl -def-group cpp regex "\<(this|true|false|NULL|nullptr|)\>|\<-?\d+[fdiu]?|'((\\.)?|[^'\\])'" 0:value
addhl -def-group cpp regex "\<(void|int|char|unsigned|float|bool|size_t)\>" 0:type
addhl -def-group cpp regex "\<(while|for|if|else|do|switch|case|default|goto|break|continue|return|using|try|catch|throw|new|delete|and|or|not|operator|explicit)\>" 0:keyword
addhl -def-group cpp regex "\<(const|mutable|auto|namespace|inline|static|volatile|class|struct|enum|union|public|protected|private|template|typedef|virtual|friend|extern|typename|override|final)\>" 0:attribute
addhl -def-group cpp regex "^\h*?#.*?(?<!\\)$" 0:macro
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addhl -def-group cpp region %{(?<!')"} %{(\`|[^\\])(\\\\)*"} string
addhl -def-group cpp region /\* \*/ comment
addhl -def-group cpp regex "(//[^\n]*\n)" 0:comment
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hook global WinSetOption filetype=cpp %[
addhl ref cpp
# cleanup trailing whitespaces when exiting insert mode
hook window InsertEnd .* -id cpp-hooks %{ try %{ exec -draft <a-x>s\h+$<ret>d } }
hook window InsertChar \n -id cpp-indent _cpp_indent_on_new_line
hook window InsertChar \{ -id cpp-indent _cpp_indent_on_opening_curly_brace
hook window InsertChar \} -id cpp-indent _cpp_indent_on_closing_curly_brace
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]
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hook global WinSetOption filetype=(?!cpp).* %{
rmhl cpp
rmhooks window cpp-indent
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rmhooks window cpp-hooks
}
def -hidden _cpp_insert_include_guards %{
exec ggi<c-r>%<ret><esc>ggxs\.<ret>c_<esc><space>A_INCLUDED<esc>ggxyppI#ifndef<space><esc>jI#define<space><esc>jI#endif<space>//<space><esc>O<esc>
}
hook global BufNew .*\.(h|hh|hpp|hxx|H) _cpp_insert_include_guards
decl str-list alt_dirs ".;.."
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def alt %{ %sh{
shopt -s extglob
alt_dirs=${kak_opt_alt_dirs//;/ }
file=$(basename ${kak_bufname})
dir=$(dirname ${kak_bufname})
case ${file} in
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*.c|*.cc|*.cpp|*.cxx|*.C)
for alt_dir in ${alt_dirs}; do
altname=$(ls -1 "${dir}/${alt_dir}/${file%.*}".@(h|hh|hpp|hxx|H) 2> /dev/null | head -n 1)
[[ -e ${altname} ]] && break
done
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;;
*.h|*.hh|*.hpp|*.hxx|*.H)
for alt_dir in ${alt_dirs}; do
altname=$(ls -1 "${dir}/${alt_dir}/${file%.*}".@(c|cc|cpp|cxx|C) 2> /dev/null | head -n 1)
[[ -e ${altname} ]] && break
done
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;;
esac
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if [[ -e ${altname} ]]; then
echo edit "'${altname}'"
else
echo echo "'alternative file not found'"
fi
}}