[Sass] [SCSS] Support comments in selectors.

lib/sass/scss/parser.rb

@@ -59,6 +59,11 @@ module Sass
         true
       end
 
+      def whitespace
+        return unless tok(S) || tok(SINGLE_LINE_COMMENT) || tok(COMMENT)
+        ss
+      end
+
       def process_comment(text, node)
         pre_str = @scanner.string[/(?:\A|\n)(.*)\/\*/, 1].gsub(/[^\s]/, ' ')
         node << Sass::Tree::CommentNode.new(pre_str + text, false)
@@ -336,7 +341,7 @@ module Sass
       end
 
       def combinator
-        tok(PLUS) || tok(GREATER) || tok(TILDE) || tok(S)
+        tok(PLUS) || tok(GREATER) || tok(TILDE) || str?{whitespace}
       end
 
       def simple_selector_sequence
@@ -555,6 +560,13 @@ MESSAGE
         @strs.pop
       end
 
+      def str?
+        @strs.push ""
+        yield && @strs.last
+      ensure
+        @strs.pop
+      end
+
       def node(node)
         node.line = @line
         node

test/sass/scss/css_test.rb

@@ -147,6 +147,16 @@ CSS
 SCSS
   end
 
+  def test_selector_comments
+    assert_equal <<CSS, render(<<SCSS)
+.foo  #bar:baz( bip) {
+  a: b; }
+CSS
+.foo /* .a #foo */ #bar:baz(/* bang )*/ bip) {
+  a: b; }
+SCSS
+  end
+
   def test_lonely_comments
     assert_parses <<SCSS
 /* Foo