75 lines
2.9 KiB
Plaintext
75 lines
2.9 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 buffer filetype ragel
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}
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter -group / regions -default code ragel \
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string '"' (?<!\\)(\\\\)*" '' \
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string "'" "'" '' \
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comment '#' '$' ''
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add-highlighter -group /ragel/string fill string
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add-highlighter -group /ragel/comment fill comment
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add-highlighter -group /ragel/code regex \b(true|false)\b 0:value
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add-highlighter -group /ragel/code regex '%%\{|\}%%|<\w+>' 0:identifier
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add-highlighter -group /ragel/code regex :=|=>|->|:>|:>>|<: 0:operator
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add-highlighter -group /ragel/code regex \b(action|alnum|alpha|any|ascii|case|cntrl|contained|context|data|digit|empty|eof|err|error|exec|export|exports|extend|fblen|fbreak|fbuf|fc|fcall|fcurs|fentry|fexec|fgoto|fhold|first_final|fnext|fpc|fret|from|fstack|ftargs|graph|import|include|init|inwhen|lerr|lower|machine|nocs|noend|noerror|nofinal|noprefix|outwhen|postpop|prepush|print|punct|range|space|start|to|upper|when|write|xdigit|zlen)\b 0:keyword
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# Commands
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# ‾‾‾‾‾‾‾‾
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def -hidden _ragel_filter_around_selections %{
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# remove trailing white spaces
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try %{ exec -draft -itersel <a-x> s \h+$ <ret> d }
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}
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def -hidden _ragel_indent_on_char %<
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eval -draft -itersel %<
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# align closer token to its opener when alone on a line
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try %< exec -draft <a-h> <a-k> ^\h+[]})]$ <ret> m s \`|.\' <ret> 1<a-&> >
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try %< exec -draft <a-h> <a-k> ^\h+ [*]$ <ret> <a-?> [*]$ <ret> s \`|.\' <ret> 1<a-&> >
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>
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>
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def -hidden _ragel_indent_on_new_line %<
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eval -draft -itersel %<
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# preserve previous line indent
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try %{ exec -draft <space> K <a-&> }
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# filter previous line
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try %{ exec -draft k : _ragel_filter_around_selections <ret> }
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# copy _#_ comment prefix and following white spaces
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try %{ exec -draft k x s ^\h*\K#\h* <ret> y gh j P }
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# indent after lines ending with opener token
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try %< exec -draft k 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 %{ add-highlighter ref ragel }
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hook global WinSetOption filetype=ragel %{
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hook window InsertEnd .* -group ragel-hooks _ragel_filter_around_selections
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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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}
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hook -group ragel-highlight global WinSetOption filetype=(?!ragel).* %{ remove-highlighter ragel }
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hook global WinSetOption filetype=(?!ragel).* %{
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remove-hooks window ragel-indent
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remove-hooks window ragel-hooks
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}
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