83 lines
3.3 KiB
Plaintext
83 lines
3.3 KiB
Plaintext
# http://scala-lang.org
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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# Detection
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# ‾‾‾‾‾‾‾‾‾
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hook global BufCreate .*[.](scala) %{
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set-option buffer filetype scala
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}
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# Initialization
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook global WinSetOption filetype=scala %[
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require-module scala
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hook window ModeChange pop:insert:.* -group scala-trim-indent scala-trim-indent
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hook window InsertChar \n -group scala-indent scala-indent-on-new-line
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hook window InsertChar \} -group scala-indent scala-indent-on-closing-curly-brace
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hook -once -always window WinSetOption filetype=.* %{ remove-hooks window scala-.+ }
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]
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hook -group scala-highlight global WinSetOption filetype=scala %{
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add-highlighter window/scala ref scala
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hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/scala }
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}
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provide-module scala %[
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter shared/scala regions
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add-highlighter shared/scala/code default-region group
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add-highlighter shared/scala/string region '"' (?<!\\)(\\\\)*" fill string
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add-highlighter shared/scala/literal region ` ` fill variable
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add-highlighter shared/scala/comment region -recurse /[*] /[*] [*]/ fill comment
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add-highlighter shared/scala/line_comment region // $ fill comment
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# Keywords are collected at
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# http://tutorialspoint.com/scala/scala_basic_syntax.htm
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add-highlighter shared/scala/code/ regex (?:\b|\W)(@\w+|import|package)\b 0:meta
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add-highlighter shared/scala/code/ regex \b(true|false|null)\b 0:value
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add-highlighter shared/scala/code/ regex \b(?:class|extends|with)\s+(\w+) 0:type
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add-highlighter shared/scala/code/ regex \b([A-Z]\w*)\b 0:type
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add-highlighter shared/scala/code/ regex (?:def|var|val)\s+(\w+) 0:variable
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add-highlighter shared/scala/code/ regex \b(become|case|catch|class|def|do|else|extends|final|finally|for|forSome|goto|if|initialize|macro|match|new|object|onTransition|return|startWith|stay|this|super|throw|trait|try|unbecome|using|val|var|when|while|with|yield)\b 0:keyword
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add-highlighter shared/scala/code/ regex \b(abstract|final|implicit|implicitly|lazy|override|private|protected|require|sealed)\b 0:attribute
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add-highlighter shared/scala/code/ regex (\[|\]|=>|<:|:>|=:=|::|&&|\|\|) 0:operator
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# Commands
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# ‾‾‾‾‾‾‾‾
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define-command -hidden scala-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 scala-indent-on-new-line %[
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evaluate-commands -draft -itersel %[
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# copy // comments 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 : scala-trim-indent <ret> ]
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# indent after lines ending with {
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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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define-command -hidden scala-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> m s \A|.\z <ret> 1<a-&> ]
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]
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]
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]
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