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81 lines
2.8 KiB
Plaintext
81 lines
2.8 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 BufSetOption mimetype=text/x-ragel %{
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set buffer filetype ragel
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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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addhl -group / regions -default code ragel \
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string '"' (?<!\\)(\\\\)*" '' \
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string "'" "'" '' \
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comment '#' '$' ''
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addhl -group /ragel/string fill string
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addhl -group /ragel/comment fill comment
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addhl -group /ragel/code regex \<(true|false)\> 0:value
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addhl -group /ragel/code regex %%\{|\}%%|<\w+> 0:identifier
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addhl -group /ragel/code regex :=|=>|->|:>|:>>|<: 0:operator
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addhl -group /ragel/code regex \<(action|alnum|alpha|any|ascii|case|cntrl|contained|context|data|digit|empty|eof|err|error|exec|export|exports|extend|fblen|fbreak|fbuf|fc|fcall|fcurs|fentry|fexec|fgoto|fhold|first_final|fnext|fpc|fret|from|fstack|ftargs|graph|import|include|init|inwhen|lerr|lower|machine|nocs|noend|noerror|nofinal|noprefix|outwhen|postpop|prepush|print|punct|range|space|start|to|upper|when|write|xdigit|zlen)\> 0:keyword
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# Commands
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# ‾‾‾‾‾‾‾‾
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def -hidden _ragel_filter_around_selections %{
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eval -draft -itersel %{
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exec <a-x>
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# remove trailing white spaces
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try %{ exec -draft s \h+$ <ret> d }
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}
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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 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 global WinSetOption filetype=ragel %{
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addhl ref 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 global WinSetOption filetype=(?!ragel).* %{
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rmhl ragel
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rmhooks window ragel-indent
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rmhooks window ragel-hooks
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}
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