kakoune/rc/core/sh.kak

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hook global BufCreate .*\.(z|ba|c|k)?sh(rc|_profile)? %{
set buffer filetype sh
}
add-highlighter -group / regions -default code -match-capture sh \
double_string %{(?<!\\)(?:\\\\)*\K"} %{(?<!\\)(?:\\\\)*"} '' \
single_string %{(?<!\\)(?:\\\\)*\K'} %{'} '' \
comment '(?<!\$)#' '$' '' \
heredoc '<<-?(\w+)' '^\t*(\w+)$' ''
add-highlighter -group /sh/double_string fill string
add-highlighter -group /sh/single_string fill string
add-highlighter -group /sh/comment fill comment
add-highlighter -group /sh/heredoc fill string
%sh{
# Grammar
keywords="alias|bind|builtin|caller|case|cd|command|coproc|declare|do|done"
keywords="${keywords}|echo|elif|else|enable|esac|exit|fi|for|function|help"
keywords="${keywords}|if|in|let|local|logout|mapfile|printf|read|readarray"
keywords="${keywords}|readonly|return|select|set|shift|source|test|then"
keywords="${keywords}|time|type|typeset|ulimit|unalias|until|while"
# Add the language's grammar to the static completion list
printf %s\\n "hook global WinSetOption filetype=sh %{
set window static_words '${keywords}'
}" | sed 's,|,:,g'
# Highlight keywords
printf %s "add-highlighter -group /sh/code regex \b(${keywords})\b 0:keyword"
}
add-highlighter -group /sh/code regex [\[\]\(\)&|]{1,2} 0:operator
add-highlighter -group /sh/code regex (\w+)= 1:variable
add-highlighter -group /sh/code regex ^\h*(\w+)\h*\(\) 1:variable
add-highlighter -group /sh/code regex \$(\w+|\{.+?\}|#|@|\?|\$|!|-|\*) 0:value
add-highlighter -group /sh/double_string regex \$(\w+|\{.+?\}) 0:variable
hook -group sh-highlight global WinSetOption filetype=sh %{ add-highlighter ref sh }
hook -group sh-highlight global WinSetOption filetype=(?!sh).* %{ remove-highlighter sh }