80 lines
2.5 KiB
Plaintext
80 lines
2.5 KiB
Plaintext
# http://haskell.org/cabal
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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# Detection
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# ‾‾‾‾‾‾‾‾‾
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hook global BufSetOption mimetype=text/x-cabal %{
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set buffer filetype cabal
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}
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hook global BufCreate .*[.](cabal) %{
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set buffer filetype cabal
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}
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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addhl -group / regions -default code cabal \
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comment (--) $ '' \
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comment \{- -\} \{-
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addhl -group /cabal/comment fill comment
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addhl -group /cabal/code regex \<(true|false)\>|(([<>]?=?)?\d+(\.\d+)+) 0:value
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addhl -group /cabal/code regex \<(if|else)\> 0:keyword
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addhl -group /cabal/code regex ^\h*([A-Za-z][A-Za-z0-9_-]*)\h*: 1:identifier
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# Commands
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# ‾‾‾‾‾‾‾‾
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def -hidden _cabal_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 _cabal_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 : _cabal_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 { or :
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try %[ exec -draft <space> k x <a-k> [:{]$ <ret> j <a-gt> ]
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]
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]
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def -hidden _cabal_indent_on_opening_curly_brace %[
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eval -draft -itersel %[
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# align indent with opening paren when { is entered on a new line after the closing paren
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try %[ exec -draft h <a-F> ) M <a-k> \`\(.*\)\h*\n\h*\{\' <ret> s \`|.\' <ret> 1<a-&> ]
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]
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]
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def -hidden _cabal_indent_on_closing_curly_brace %[
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eval -draft -itersel %[
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# align to opening curly brace when alone on a line
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try %[ exec -draft <a-h> <a-k> ^\h+\}$ <ret> h m s \`|.\'<ret> 1<a-&> ]
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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=cabal %[
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addhl ref cabal
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hook window InsertEnd .* -group cabal-hooks _cabal_filter_around_selections
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hook window InsertChar \n -group cabal-indent _cabal_indent_on_new_line
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hook window InsertChar \{ -group cabal-indent _cabal_indent_on_opening_curly_brace
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hook window InsertChar \} -group cabal-indent _cabal_indent_on_closing_curly_brace
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]
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hook global WinSetOption filetype=(?!cabal).* %{
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rmhl cabal
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rmhooks window cabal-indent
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rmhooks window cabal-hooks
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}
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