Kakoune support for biscuit datalog

biscuit-datalog.kak

# http://https://datalog-biscuit-lang.org
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾

# Detection
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hook global BufCreate .*\.biscuit-datalog %{
    set-option buffer filetype biscuitdl
}


# Initialization
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add-highlighter shared/biscuitdl regions
add-highlighter shared/biscuitdl/code default-region group
add-highlighter shared/biscuitdl/string        region '"' '(?<!\\)"' fill string
add-highlighter shared/biscuitdl/line_comment  region '//' '$'       fill comment
add-highlighter shared/biscuitdl/block_comment region '/\*' '\*/'    fill comment

#add-highlighter shared/dhall/code/op regex <- 0:operator
add-highlighter shared/biscuitdl/code/symbol regex '#[A-Za-z0-9]+' 0:type
add-highlighter shared/biscuitdl/code/variable regex \$[A-Za-z0-9]+ 0:variable
add-highlighter shared/biscuitdl/code/date    regex (?<!')\b\d{1,4}-\d{2}-\d{2}(T\d{2}:\d{2}:\d{2})(.\d+)?(Z|[\+\-]\d{2}:\d{2}) 0:value
add-highlighter shared/biscuitdl/code/number  regex (?<!')\b\d+([.]\d+)? 0:value
add-highlighter shared/biscuitdl/code/boolean regex (?<!')\b(true|false) 0:value
add-highlighter shared/biscuitdl/code/bytes   regex (?<!')\bhex:[A-Fa-f0-9]+ 0:string

add-highlighter shared/biscuitdl/code/head    regex (?<!')\b\w+(?=\() 0:function
add-highlighter shared/biscuitdl/code/kw      regex (?<!')\b(check|allow|deny|if) 0:keyword

# Commands
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define-command -hidden biscuitdl-filter-around-selections %{
   # remove trailing white spaces
   try %{ execute-keys -draft -itersel <a-x> s \h+$ <ret> d }
}
#
# Initialization
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hook -group biscuitdl-highlight global WinSetOption filetype=biscuitdl %{ add-highlighter window/biscuitdl ref biscuitdl }

hook global WinSetOption filetype=biscuitdl %{
    set-option window extra_word_chars "'"
    hook window ModeChange insert:.* -group biscuitdl-hooks  biscuitdl-filter-around-selections
}

hook -group biscuitdl-highlight global WinSetOption filetype=(?!biscuitdl).* %{ remove-highlighter window/biscuitdl }

hook global WinSetOption filetype=(?!biscuitdl).* %{
   remove-hooks window biscuitdl-hooks
}