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# http://elixir-lang.org
# ----------------------
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](ex|exs) %{
set-option buffer filetype elixir
}
hook global BufCreate .*[.]html[.]l?eex %{
set-option buffer filetype eex
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook global WinSetOption filetype=elixir %{
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 window InsertChar \n -group elixir-insert elixir-insert-on-new-line
hook -once -always window WinSetOption filetype=.* %{ remove-hooks window elixir-.+ }
}
hook -group elixir-highlight global WinSetOption filetype=elixir %{
add-highlighter window/elixir ref elixir
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/elixir }
}
hook global WinSetOption filetype=eex %{
require-module eex
hook -once -always window WinSetOption filetype=.* %{ remove-hooks window eex-.+ }
}
hook -group eex-highlight global WinSetOption filetype=eex %{
add-highlighter window/eex ref eex
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/eex }
}
provide-module eex %{
require-module html
require-module elixir
add-highlighter shared/eex regions
add-highlighter shared/eex/html default-region ref html
add-highlighter shared/eex/comment region '<%#' '%>' fill comment
add-highlighter shared/eex/quote region '<%%' '%>' ref html
add-highlighter shared/eex/code region '<%=?' '%>' ref elixir
}
provide-module elixir %[
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter shared/elixir regions
add-highlighter shared/elixir/code default-region group
add-highlighter shared/elixir/double_string region -match-capture ("""|") (?<!\\)(?:\\\\)*("""|") regions
add-highlighter shared/elixir/single_string region "'" "(?<!\\)(?:\\\\)*'" fill string
add-highlighter shared/elixir/comment region '#' '$' fill comment
add-highlighter shared/elixir/leex region -match-capture '~L("""|")' '(?<!\\)(?:\\\\)*("""|")' ref eex
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
# Commands
# ‾‾‾‾‾‾‾‾
define-command -hidden elixir-trim-indent %{
# remove trailing white spaces
try %{ execute-keys -draft -itersel x s \h+$ <ret> d }
}
define-command -hidden elixir-insert-on-new-line %[
evaluate-commands -no-hooks -draft -itersel %[
# copy '#' comment prefix and following white spaces
try %{ execute-keys -draft k x s ^\h*\K#\h* <ret> y jgi P }
# wisely add end structure
evaluate-commands -save-regs x %[
try %{ execute-keys -draft k x s ^ \h + <ret> \" x y } catch %{ reg x '' }
try %[
evaluate-commands -draft %[
# Check if previous line opens a block
execute-keys -draft kx <a-k>^<c-r>x(.+\bdo$)<ret>
# Check that we do not already have an end for this indent level which is first set via `elixir-indent-on-new-line` hook
execute-keys -draft }i J x <a-K> ^<c-r>x(end|else)[^0-9A-Za-z_!?]<ret>
]
execute-keys -draft o<c-r>xend<esc> # insert a new line with containing end
]
]
]
]
define-command -hidden elixir-indent-on-new-line %{
evaluate-commands -draft -itersel %{
# preserve previous line indent
try %{ execute-keys -draft <semicolon> K <a-&> }
# indent after line ending with:
# try %{ execute-keys -draft k x <a-k> (\bdo|\belse|->)$ <ret> & }
# filter previous line
try %{ execute-keys -draft k : elixir-trim-indent <ret> }
# indent after lines ending with do or ->
try %{ execute-keys -draft <semicolon> k x <a-k> ^.+(\bdo|->)$ <ret> j <a-gt> }
}
}
]
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