add rc/scala.kak

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Alex Leferry 2 2014-07-16 13:10:37 +02:00
parent e6699c66ed
commit 576d4baa19

84
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# http://scala-lang.org
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufSetOption mimetype=text/x-scala %{
set buffer filetype scala
}
hook global BufCreate .*[.](scala) %{
set buffer filetype scala
}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
addhl -group / regions -default code scala \
string '"' (?<!\\)(\\\\)*" '' \
literal ` ` '' \
comment // $ '' \
comment /[*] [*]/ /[*]
addhl -group /scala/string fill string
addhl -group /scala/literal fill identifier
addhl -group /scala/comment fill comment
# Keywords are collected at
# http://tutorialspoint.com/scala/scala_basic_syntax.htm
addhl -group /scala/code regex \<(import|package)\> 0:meta
addhl -group /scala/code regex \<(this|true|false|null)\> 0:value
addhl -group /scala/code regex \<(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)\> 0:keyword
addhl -group /scala/code regex \<(abstract|final|implicit|implicitly|lazy|override|private|protected|require|sealed|super)\> 0:attribute
addhl -group /scala/code regex \<(⇒|=>|<:|:>|=:=|::|&&|\|\|)\> 0:operator
addhl -group /scala/code regex "'[_A-Za-z0-9$]+" 0:identifier
# Commands
# ‾‾‾‾‾‾‾‾
def -hidden _scala_filter_around_selections %{
eval -draft -itersel %{
exec <a-x>
# remove trailing white spaces
try %{ exec -draft s \h+$ <ret> d }
}
}
def -hidden _scala_indent_on_new_line %[
eval -draft -itersel %[
# preserve previous line indent
try %[ exec -draft <space> K <a-&> ]
# filter previous line
try %[ exec -draft k : _scala_filter_around_selections <ret> ]
# copy // comments prefix and following white spaces
try %[ exec -draft k x s ^\h*\K#\h* <ret> y j p ]
# indent after lines ending with {
try %[ exec -draft k x <a-k> \{$ <ret> j <a-gt> ]
]
]
def -hidden _scala_indent_on_closing_curly_brace %[
eval -draft -itersel %[
# align to opening curly brace when alone on a line
try %[ exec -draft <a-h> <a-k> ^\h+\}$ <ret> m s \`|.\' <ret> 1<a-&> ]
]
]
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook global WinSetOption filetype=scala %[
addhl ref scala
hook window InsertEnd .* -group scala-hooks _scala_filter_around_selections
hook window InsertChar \n -group scala-indent _scala_indent_on_new_line
hook window InsertChar \} -group scala-indent _scala_indent_on_closing_curly_brace
]
hook global WinSetOption filetype=(?!scala).* %{
rmhl scala
rmhooks window scala-indent
rmhooks window scala-hooks
}