79 lines
2.9 KiB
Plaintext
79 lines
2.9 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 buffer filetype scala
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}
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter -group / regions -default code scala \
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string '"' (?<!\\)(\\\\)*" '' \
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literal ` ` '' \
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comment // $ '' \
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comment /[*] [*]/ /[*]
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add-highlighter -group /scala/string fill string
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add-highlighter -group /scala/literal fill identifier
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add-highlighter -group /scala/comment 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 -group /scala/code regex \b(import|package)\b 0:meta
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add-highlighter -group /scala/code regex \b(this|true|false|null)\b 0:value
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add-highlighter -group /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|throw|trait|try|unbecome|using|val|var|when|while|with|yield)\b 0:keyword
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add-highlighter -group /scala/code regex \b(abstract|final|implicit|implicitly|lazy|override|private|protected|require|sealed|super)\b 0:attribute
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add-highlighter -group /scala/code regex \b(⇒|=>|<:|:>|=:=|::|&&|\|\|)\b 0:operator
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add-highlighter -group /scala/code regex "'[_A-Za-z0-9$]+" 0:identifier
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# Commands
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# ‾‾‾‾‾‾‾‾
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def -hidden _scala_filter_around_selections %{
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# remove trailing white spaces
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try %{ exec -draft -itersel <a-x> s \h+$ <ret> d }
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}
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def -hidden _scala_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 : _scala_filter_around_selections <ret> ]
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# copy // comments 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 {
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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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def -hidden _scala_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> 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 -group scala-highlight global WinSetOption filetype=scala %{ add-highlighter ref scala }
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hook global WinSetOption filetype=scala %[
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hook window InsertEnd .* -group scala-hooks _scala_filter_around_selections
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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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]
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hook -group scala-highlight global WinSetOption filetype=(?!scala).* %{ remove-highlighter scala }
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hook global WinSetOption filetype=(?!scala).* %{
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remove-hooks window scala-indent
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remove-hooks window scala-hooks
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}
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