From e8a71b6e6660188cc4302969d7ee5e274595c59b Mon Sep 17 00:00:00 2001
From: Nathan Weizenbaum <nex342@gmail.com>
Date: Mon, 21 Dec 2009 22:43:05 -0800
Subject: [PATCH] [Sass] [SCSS] Support @if.

---
 lib/sass/scss/parser.rb | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/sass/scss/parser.rb b/lib/sass/scss/parser.rb
index 9e0ef8fe..93b1d541 100644
--- a/lib/sass/scss/parser.rb
+++ b/lib/sass/scss/parser.rb
@@ -36,7 +36,7 @@ module Sass
         true
       end
 
-      DIRECTIVES = Set[:mixin, :include, :debug, :for]
+      DIRECTIVES = Set[:mixin, :include, :debug, :for, :if]
 
       def directive
         return unless name = tok(ATRULE)
@@ -97,6 +97,12 @@ module Sass
         block(node(Sass::Tree::ForNode.new(var, from, to, exclusive)))
       end
 
+      def if
+        expr = sass_script_parser.parse
+        ss
+        block(node(Sass::Tree::IfNode.new(expr)))
+      end
+
       def variable
         return unless raw '!'
         name = tok! IDENT