Fix string interpolation in Ruby percent literal (#1945)

rouge-ruby · Apr 30, 2023 · aa1a124 · aa1a124
1 parent 1e2c367
commit aa1a124
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diff --git a/lib/rouge/lexers/ruby.rb b/lib/rouge/lexers/ruby.rb
@@ -42,7 +42,7 @@ def self.detect?(text)
         rule %r/%([rqswQWxiI])?([^\w\s])/ do |m|
           open = Regexp.escape(m[2])
           close = Regexp.escape(delimiter_map[m[2]] || m[2])
-          interp = /[rQWxI]/ === m[1]
+          interp = /[rQWxI]/ === m[1] || !m[1]
           toktype = Str::Other
 
           puts "    open: #{open.inspect}" if @debug

diff --git a/spec/visual/samples/ruby b/spec/visual/samples/ruby
@@ -329,6 +329,8 @@ X "foo" # This is a method call, heredoc ends at the prev line
 
 %q[haha! [nesting [rocks] ! ] ] # commeht here
 
+%(a #{interpolation_variable} b)
+%Q(a #{interpolation_variable} b)
 
 ##################################################################
 class                                                  NP