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mirror of https://github.com/mawww/kakoune.git synced 2024-12-25 20:41:49 +03:00
kakoune/rc/base/lua.kak
Maxime Coste bf6e5daa08 Use stricter regex syntax
boost regex tolerates non-escaped special characters, and escaped
non-special characters. Standardize on stricter syntax, where
special characters must be escaped, and non-special characters must
not.
2017-10-25 10:27:39 +08:00

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# http://lua.org
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](lua) %{
set buffer filetype lua
}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter -group / regions -default code lua \
string '"' (?<!\\)(\\\\)*" '' \
string "'" (?<!\\)(\\\\)*' '' \
comment '--' '$' '' \
comment '--\[\[' '\]\]' '' \
add-highlighter -group /lua/string fill string
add-highlighter -group /lua/comment fill comment
add-highlighter -group /lua/code regex \b(and|break|do|else|elseif|end|false|for|function|goto|if|in|local|nil|not|or|repeat|return|then|true|until|while)\b 0:keyword
# Commands
# ‾‾‾‾‾‾‾‾
def lua-alternative-file -docstring 'Jump to the alternate file (implementation ↔ test)' %{ %sh{
case $kak_buffile in
*spec/*_spec.lua)
altfile=$(eval printf %s\\n $(printf %s\\n $kak_buffile | sed s+spec/+'*'/+';'s/_spec//))
[ ! -f $altfile ] && echo "echo -markup '{Error}implementation file not found'" && exit
;;
*.lua)
path=$kak_buffile
dirs=$(while [ $path ]; do printf %s\\n $path; path=${path%/*}; done | tail -n +2)
for dir in $dirs; do
altdir=$dir/spec
if [ -d $altdir ]; then
altfile=$altdir/$(realpath $kak_buffile --relative-to $dir | sed s+[^/]'*'/++';'s/.lua$/_spec.lua/)
break
fi
done
[ ! -d $altdir ] && echo "echo -markup '{Error}spec/ not found'" && exit
;;
*)
echo "echo -markup '{Error}alternative file not found'" && exit
;;
esac
printf %s\\n "edit $altfile"
}}
def -hidden lua-filter-around-selections %{
eval -no-hooks -draft -itersel %{
# remove trailing white spaces
try %{ exec -draft <a-x>s\h+$<ret>d }
}
}
def -hidden lua-indent-on-char %{
eval -no-hooks -draft -itersel %{
# align middle and end structures to start and indent when necessary, elseif is already covered by else
try %{ exec -draft <a-x><a-k>^\h*(else)$<ret><a-\;><a-?>^\h*(if)<ret>s\A|\z<ret>'<a-&> }
try %{ exec -draft <a-x><a-k>^\h*(end)$<ret><a-\;><a-?>^\h*(for|function|if|while)<ret>s\A|\z<ret>'<a-&> }
}
}
def -hidden lua-indent-on-new-line %{
eval -no-hooks -draft -itersel %{
# preserve previous line indent
try %{ exec -draft <space>K<a-&> }
# filter previous line
try %{ exec -draft k:lua-filter-around-selections<ret> }
# indent after start structure
try %{ exec -draft k<a-x><a-k>^\h*(else|elseif|for|function|if|while)\b<ret>j<a-gt> }
}
}
def -hidden lua-insert-on-new-line %{
eval -no-hooks -draft -itersel %{
# copy -- comment prefix and following white spaces
try %{ exec -draft k<a-x>s^\h*\K--\h*<ret>yghjP }
# wisely add end structure
eval -save-regs x %{
try %{ exec -draft k<a-x>s^\h+<ret>"xy } catch %{ reg x '' }
try %{ exec -draft k<a-x><a-k>^<c-r>x(for|function|if|while)<ret>j<a-a>iX<a-\;>K<a-K>^<c-r>x(for|function|if|while).*\n<c-r>x(else|end|elseif[^\n]*)$<ret>jxypjaend<esc><a-lt> }
}
}
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook -group lua-highlight global WinSetOption filetype=lua %{ add-highlighter ref lua }
hook global WinSetOption filetype=lua %{
hook window InsertChar .* -group lua-indent lua-indent-on-char
hook window InsertChar \n -group lua-insert lua-insert-on-new-line
hook window InsertChar \n -group lua-indent lua-indent-on-new-line
alias window alt lua-alternative-file
}
hook -group lua-highlight global WinSetOption filetype=(?!lua).* %{ remove-highlighter lua }
hook global WinSetOption filetype=(?!lua).* %{
remove-hooks window lua-indent
remove-hooks window lua-insert
unalias window alt lua-alternative-file
}