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kakoune/rc/filetype/ragel.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://complang.org/ragel
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# ragel.kak does not try to detect host language.
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](ragel|rl) %{
set-option buffer filetype ragel
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook global WinSetOption filetype=ragel %{
require-module ragel
hook window ModeChange pop:insert:.* -group ragel-trim-indent ragel-trim-indent
hook window InsertChar .* -group ragel-indent ragel-indent-on-char
hook window InsertChar \n -group ragel-insert ragel-insert-on-new-line
hook window InsertChar \n -group ragel-indent ragel-indent-on-new-line
hook -once -always window WinSetOption filetype=.* %{ remove-hooks window ragel-.+ }
}
hook -group ragel-highlight global WinSetOption filetype=ragel %{
add-highlighter window/ragel ref ragel
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/ragel }
}
provide-module ragel %§
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter shared/ragel regions
add-highlighter shared/ragel/code default-region group
add-highlighter shared/ragel/double_string region '"' (?<!\\)(\\\\)*" fill string
add-highlighter shared/ragel/single_string region "'" "'" fill string
add-highlighter shared/ragel/comment region '#' '$' fill comment
add-highlighter shared/ragel/code/ regex \b(true|false)\b 0:value
add-highlighter shared/ragel/code/ regex '%%\{|\}%%|<\w+>' 0:variable
add-highlighter shared/ragel/code/ regex :=|=>|->|:>|:>>|<: 0:operator
add-highlighter shared/ragel/code/ regex \b(action|alnum|alpha|any|ascii|case|cntrl|contained|context|data|digit|empty|eof|err|error|exec|export|exports|extend|fblen|fbreak|fbuf|fc|fcall|fcurs|fentry|fexec|fgoto|fhold|first_final|fnext|fpc|fret|from|fstack|ftargs|graph|import|include|init|inwhen|lerr|lower|machine|nocs|noend|noerror|nofinal|noprefix|outwhen|postpop|prepush|print|punct|range|space|start|to|upper|when|write|xdigit|zlen)\b 0:keyword
# Commands
# ‾‾‾‾‾‾‾‾
define-command -hidden ragel-trim-indent %{
# remove trailing white spaces
try %{ execute-keys -draft -itersel <a-x> s \h+$ <ret> d }
}
define-command -hidden ragel-indent-on-char %<
evaluate-commands -draft -itersel %<
# align closer token to its opener when alone on a line
try %< execute-keys -draft <a-h> <a-k> ^\h+[\]})]$ <ret> m s \A|.\z <ret> 1<a-&> >
try %< execute-keys -draft <a-h> <a-k> ^\h+ [*]$ <ret> <a-?> [*]$ <ret> s \A|.\z <ret> 1<a-&> >
>
>
define-command -hidden ragel-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 ragel-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 : ragel-trim-indent <ret> }
# indent after lines ending with opener token
try %< execute-keys -draft k <a-x> <a-k> [[{(*]$ <ret> j <a-gt> >
# align closer token to its opener when after cursor
try %< execute-keys -draft <a-x> <a-k> ^\h*[})\]] <ret> gh / [})\]] <ret> m <a-S> 1<a-&> >
>
>
§