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add halfway support for multiline elixir sigils #2052

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add halfway support for multiline elixir sigils #2052

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10 changes: 8 additions & 2 deletions lib/rouge/lexers/elixir.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -103,7 +103,7 @@ def self.detect?(text)
# Cribbed and adjusted from Ruby lexer
delimiter_map = { '{' => '}', '[' => ']', '(' => ')', '<' => '>' }
# Match a-z for custom sigils too
sigil_opens = Regexp.union(delimiter_map.keys + %w(| / ' "))
sigil_opens = Regexp.union(delimiter_map.keys + [%r/"{3}/] + %w(| / ' "))
rule %r/~([A-Za-z])?(#{sigil_opens})/ do |m|
open = Regexp.escape(m[2])
close = Regexp.escape(delimiter_map[m[2]] || m[2])
Expand All @@ -123,12 +123,18 @@ def self.detect?(text)
push :list_flags
end

if open == '"""'
toktype = Str::Doc
end

token toktype

push do
rule %r/#{close}/, toktype, :pop!

if interp
if toktype == Str::Doc
rule %r/(?:.|\n)*?"""/, toktype, :pop!
elsif interp
mixin :interpoling
rule %r/#/, toktype
else
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15 changes: 15 additions & 0 deletions spec/visual/samples/elixir
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Expand Up @@ -71,6 +71,21 @@ string |> String.split(~r/[ -]/) |> Enum.map(&abbreviate_word/1) |> Enum.join()
~S|inter #{pol <> "ati#{o}"} n|
~S/inter #{pol <> "ati#{o}"} n/

# multiline sigil
~S"""
Converts double-quotes to single-quotes.

## Examples

iex> convert("\"foo\"")
"'foo'"
"""

~H"""
Current temperature: <%= @temperature %>°F
<button phx-click="inc_temperature">+</button>
"""

# first is Operator, second is &1 variable
&(&1)

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