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