83 lines
2.9 KiB
Plaintext
83 lines
2.9 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 BufCreate .*[.](cabal) %{
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set-option buffer filetype cabal
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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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require-module cabal
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hook window ModeChange pop:insert:.* -group cabal-trim-indent cabal-trim-indent
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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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hook -once -always window WinSetOption filetype=.* %{ remove-hooks window cabal-.+ }
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]
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hook -group cabal-highlight global WinSetOption filetype=cabal %{
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add-highlighter window/cabal ref cabal
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hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/cabal }
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}
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provide-module cabal %[
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter shared/cabal regions
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add-highlighter shared/cabal/code default-region group
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add-highlighter shared/cabal/line_comment region (--) $ fill comment
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add-highlighter shared/cabal/comment region -recurse \{- \{- -\} fill comment
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add-highlighter shared/cabal/code/ regex \b(true|false)\b|(([<>]?=?)?\d+(\.\d+)+) 0:value
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add-highlighter shared/cabal/code/ regex \b(if|else)\b 0:keyword
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add-highlighter shared/cabal/code/ regex ^\h*([A-Za-z][A-Za-z0-9_-]*)\h*: 1:variable
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# Commands
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# ‾‾‾‾‾‾‾‾
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define-command -hidden cabal-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 cabal-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 <semicolon> K <a-&> ]
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# filter previous line
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try %[ execute-keys -draft k : cabal-trim-indent <ret> ]
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# indent after lines ending with { or :
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try %[ execute-keys -draft <space> k <a-x> <a-k> [:{]$ <ret> j <a-gt> ]
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# deindent closing brace when after cursor
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try %[ execute-keys -draft <a-x> <a-k>\h*\}\h*(?:--.*)?$<ret> <a-/> \} <ret> m <a-S> 1<a-&> ]
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]
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]
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define-command -hidden cabal-indent-on-opening-curly-brace %[
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evaluate-commands -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 %[ execute-keys -draft h <a-F> ) M <a-k> \A\(.*\)\h*\n\h*\{\z <ret> s \A|.\z <ret> 1<a-&> ]
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]
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]
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define-command -hidden cabal-indent-on-closing-curly-brace %[
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evaluate-commands -draft -itersel %[
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# align to opening curly brace when alone on a line
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try %[ execute-keys -draft <a-h> <a-k> ^\h+\}$ <ret> h m s \A|.\z<ret> 1<a-&> ]
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]
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]
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]
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