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kakoune/rc/extra/elixir.kak
2017-05-11 18:40:07 +02:00

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# http://elixir-lang.org
# ----------------------
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](ex|exs) %{
set buffer filetype elixir
}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter -group / regions -default code elixir \
double_string '"' (?<!\\)(\\\\)*" '' \
double_string '"""' (?<!\\)(\\\\)*""" '' \
single_string "'" (?<!\\)(\\\\)*' '' \
comment '#' '$' ''
add-highlighter -group /elixir/comment fill comment
add-highlighter -group /elixir/double_string fill string
add-highlighter -group /elixir/double_string regions regions interpolation \Q#{ \} \{
add-highlighter -group /elixir/double_string/regions/interpolation fill builtin
add-highlighter -group /elixir/single_string fill string
add-highlighter -group /elixir/code regex ':[\w_]+\b' 0:type
add-highlighter -group /elixir/code regex '[\w_]+:' 0:type
add-highlighter -group /elixir/code regex '[A-Z][\w_]+\b' 0:module
add-highlighter -group /elixir/code regex '(:[\w_]+)(\.)' 1:module
add-highlighter -group /elixir/code regex '\b_\b' 0:default
add-highlighter -group /elixir/code regex '\b_[\w_]+\b' 0:default
add-highlighter -group /elixir/code regex '~[a-zA-Z]\(.*\)' 0:string
add-highlighter -group /elixir/code regex \b(true|false|nil)\b 0:value
add-highlighter -group /elixir/code regex (->|<-|<<|>>|=>) 0:builtin
add-highlighter -group /elixir/code regex \b(require|alias|use|import)\b 0:keyword
add-highlighter -group /elixir/code regex \b(__MODULE__|__DIR__|__ENV__|__CALLER__)\b 0:value
add-highlighter -group /elixir/code regex \b(def|defp|defmacro|defmacrop|defstruct|defmodule|defimpl|defprotocol|defoverridable)\b 0:keyword
add-highlighter -group /elixir/code regex \b(fn|do|end|when|case|if|else|unless|var!|for|cond|quote|unquote|receive|with|raise|reraise|try|catch)\b 0:keyword
add-highlighter -group /elixir/code regex '@[\w_]+\b' 0:attribute
add-highlighter -group /elixir/code regex '\b\d+[\d_]*\b' 0:value
# Commands
# ‾‾‾‾‾‾‾‾
def -hidden elixir-filter-around-selections %{
# remove trailing white spaces
try %{ exec -draft -itersel <a-x> s \h+$ <ret> d }
}
def -hidden elixir-indent-on-new-line %{
eval -draft -itersel %{
# copy -- comments prefix and following white spaces
try %{ exec -draft k <a-x> s ^\h*\K--\h* <ret> y gh j P }
# preserve previous line indent
try %{ exec -draft \; K <a-&> }
# indent after line ending with:
# try %{ exec -draft k x <a-k> (do|else|->)$ <ret> & }
# filter previous line
try %{ exec -draft k : elixir-filter-around-selections <ret> }
# indent after lines ending with do or ->
try %{ exec -draft \\; k x <a-k> ^.+(do|->)$ <ret> j <a-gt> }
}
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook -group elixir-highlight global WinSetOption filetype=elixir %{ add-highlighter ref elixir }
hook global WinSetOption filetype=elixir %{
hook window InsertEnd .* -group elixir-hooks elixir-filter-around-selections
hook window InsertChar \n -group elixir-indent elixir-indent-on-new-line
}
hook -group elixir-highlight global WinSetOption filetype=(?!elixir).* %{ remove-highlighter elixir }