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kakoune/rc/filetype/coffee.kak
Johannes Altmanninger 0a9c90fecf rc: use a separate *-insert hook to auto-insert comments
This should cover all filetypes that already auto-insert comments,
except for rust.kak, which is left for a follow-up.

Most of these are straightforward, some explanation for special cases:

rc/filetype/zig.kak rc/filetype/cue.kak

  These indent hooks used their own logic to indent after "{" only if
  no comment was inserted. Replace this logic by checking if a comment
  was inserted. This works because these "*-insert" hooks are run
  before their respective "*-indent" hooks.
 
rc/filetype/php.kak

  This also has some logic to insert "*" after "/*" lines. Basic
  usage seems to work still. In future this should borrow from the
  c-family one, which works a bit better.
2021-04-17 20:56:23 +02:00

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# http://coffeescript.org
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](coffee) %{
set-option buffer filetype coffee
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook global WinSetOption filetype=coffee %{
require-module coffee
hook window ModeChange pop:insert:.* -group coffee-trim-indent coffee-trim-indent
hook window InsertChar \n -group coffee-insert coffee-insert-on-new-line
hook window InsertChar \n -group coffee-indent coffee-indent-on-new-line
hook -once -always window WinSetOption filetype=.* %{ remove-hooks window coffee-.+ }
}
hook -group coffee-highlight global WinSetOption filetype=coffee %{
add-highlighter window/coffee ref coffee
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/coffee }
}
provide-module coffee %[
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter shared/coffee regions
add-highlighter shared/coffee/code default-region group
add-highlighter shared/coffee/single_string region "'" "'" fill string
add-highlighter shared/coffee/single_string_alt region "'''" "'''" fill string
add-highlighter shared/coffee/double_string region '"' (?<!\\)(\\\\)*" regions
add-highlighter shared/coffee/double_string_alt region '"""' '"""' ref shared/coffee/double_string
add-highlighter shared/coffee/regex region '/' (?<!\\)(\\\\)*/[gimy]* regions
add-highlighter shared/coffee/regex_alt region '///' ///[gimy]* ref shared/coffee/regex
add-highlighter shared/coffee/comment1 region '#' '$' fill comment
add-highlighter shared/coffee/comment2 region '###' '###' fill comment
# Regular expression flags are: g → global match, i → ignore case, m → multi-lines, y → sticky
# https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp
add-highlighter shared/coffee/double_string/base default-region fill string
add-highlighter shared/coffee/double_string/interpolation region -recurse \{ \Q#{ \} fill meta
add-highlighter shared/coffee/regex/base default-region fill meta
add-highlighter shared/coffee/regex/interpolation region -recurse \{ \Q#{ \} fill meta
# Keywords are collected at
# https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Keywords
# http://coffeescript.org/documentation/docs/lexer.html#section-63
add-highlighter shared/coffee/code/ regex [$@]\w* 0:variable
add-highlighter shared/coffee/code/ regex \b(Array|Boolean|Date|Function|Number|Object|RegExp|String)\b 0:type
add-highlighter shared/coffee/code/ regex \b(document|false|no|null|off|on|parent|self|this|true|undefined|window|yes)\b 0:value
add-highlighter shared/coffee/code/ regex \b(and|is|isnt|not|or)\b 0:operator
add-highlighter shared/coffee/code/ regex \b(break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|function|if|implements|import|in|instanceof|interface|let|native|new|package|private|protected|public|return|static|super|switch|throw|try|typeof|var|void|while|with|yield)\b 0:keyword
# Commands
# ‾‾‾‾‾‾‾‾
define-command -hidden coffee-trim-indent %{
evaluate-commands -draft -itersel %{
execute-keys <a-x>
# remove trailing white spaces
try %{ execute-keys -draft s \h + $ <ret> d }
}
}
define-command -hidden coffee-insert-on-new-line %{
evaluate-commands -draft -itersel %{
# copy '#' comment prefix and following white spaces
try %{ execute-keys -draft k <a-x> s '^\h*\K#\h*' <ret> y gh j P }
}
}
define-command -hidden coffee-indent-on-new-line %{
evaluate-commands -draft -itersel %{
# preserve previous line indent
try %{ execute-keys -draft <semicolon> K <a-&> }
# filter previous line
try %{ execute-keys -draft k : coffee-trim-indent <ret> }
# indent after start structure
try %{ execute-keys -draft k <a-x> <a-k> ^ \h * (case|catch|class|else|finally|for|function|if|switch|try|while|with) \b | (=|->) $ <ret> j <a-gt> }
}
}
]