kakoune/rc/filetype/elixir.kak

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# http://elixir-lang.org
# ----------------------
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](ex|exs) %{
set-option buffer filetype elixir
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}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook global WinSetOption filetype=elixir %{
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require-module elixir
hook window ModeChange pop:insert:.* -group elixir-trim-indent elixir-trim-indent
hook window InsertChar \n -group elixir-indent elixir-indent-on-new-line
hook -once -always window WinSetOption filetype=.* %{ remove-hooks window elixir-.+ }
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}
hook -group elixir-highlight global WinSetOption filetype=elixir %{
add-highlighter window/elixir ref elixir
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/elixir }
}
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provide-module elixir %[
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# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter shared/elixir regions
add-highlighter shared/elixir/code default-region group
add-highlighter shared/elixir/double_string region '"' (?<!\\)(\\\\)*" regions
add-highlighter shared/elixir/triple_string region '"""' (?<!\\)(\\\\)*""" ref shared/elixir/double_string
add-highlighter shared/elixir/single_string region "'" (?<!\\)(\\\\)*' fill string
add-highlighter shared/elixir/comment region '#' '$' fill comment
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add-highlighter shared/elixir/double_string/base default-region fill string
add-highlighter shared/elixir/double_string/interpolation region -recurse \{ \Q#{ \} fill builtin
add-highlighter shared/elixir/code/ regex ':[\w_]+\b' 0:type
add-highlighter shared/elixir/code/ regex '[\w_]+:' 0:type
add-highlighter shared/elixir/code/ regex '[A-Z][\w_]+\b' 0:module
add-highlighter shared/elixir/code/ regex '(:[\w_]+)(\.)' 1:module
add-highlighter shared/elixir/code/ regex '\b_\b' 0:default
add-highlighter shared/elixir/code/ regex '\b_[\w_]+\b' 0:default
add-highlighter shared/elixir/code/ regex '~[a-zA-Z]\(.*\)' 0:string
add-highlighter shared/elixir/code/ regex \b(true|false|nil)\b 0:value
add-highlighter shared/elixir/code/ regex (->|<-|<<|>>|=>) 0:builtin
add-highlighter shared/elixir/code/ regex \b(require|alias|use|import)\b 0:keyword
add-highlighter shared/elixir/code/ regex \b(__MODULE__|__DIR__|__ENV__|__CALLER__)\b 0:value
add-highlighter shared/elixir/code/ regex \b(def|defp|defmacro|defmacrop|defstruct|defmodule|defimpl|defprotocol|defoverridable)\b 0:keyword
add-highlighter shared/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 shared/elixir/code/ regex '@[\w_]+\b' 0:attribute
add-highlighter shared/elixir/code/ regex '\b\d+[\d_]*\b' 0:value
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# Commands
# ‾‾‾‾‾‾‾‾
define-command -hidden elixir-trim-indent %{
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# remove trailing white spaces
try %{ execute-keys -draft -itersel <a-x> s \h+$ <ret> d }
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}
define-command -hidden elixir-indent-on-new-line %{
evaluate-commands -draft -itersel %{
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# copy -- comments prefix and following white spaces
try %{ execute-keys -draft k <a-x> s ^\h*\K--\h* <ret> y gh j P }
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# preserve previous line indent
try %{ execute-keys -draft \; K <a-&> }
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# indent after line ending with:
# try %{ execute-keys -draft k x <a-k> (do|else|->)$ <ret> & }
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# filter previous line
try %{ execute-keys -draft k : elixir-trim-indent <ret> }
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# indent after lines ending with do or ->
try %{ execute-keys -draft \\; k x <a-k> ^.+(do|->)$ <ret> j <a-gt> }
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}
}
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]