1 files changed, 40 insertions, 0 deletions
diff --git a/lib/less.php/Tree/DetachedRuleset.php b/lib/less.php/Tree/DetachedRuleset.php
new file mode 100644
index 0000000..c887e40
--- /dev/null
+++ b/lib/less.php/Tree/DetachedRuleset.php
@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * DetachedRuleset
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_DetachedRuleset extends Less_Tree{
+
+	public $ruleset;
+	public $frames;
+	public $type = 'DetachedRuleset';
+
+    public function __construct( $ruleset, $frames = null ){
+		$this->ruleset = $ruleset;
+		$this->frames = $frames;
+	}
+
+    public function accept($visitor) {
+		$this->ruleset = $visitor->visitObj($this->ruleset);
+	}
+
+    public function compile($env){
+		if( $this->frames ){
+			$frames = $this->frames;
+		}else{
+			$frames = $env->frames;
+		}
+		return new Less_Tree_DetachedRuleset($this->ruleset, $frames);
+	}
+
+    public function callEval($env) {
+		if( $this->frames ){
+			return $this->ruleset->compile( $env->copyEvalEnv( array_merge($this->frames,$env->frames) ) );
+		}
+		return $this->ruleset->compile( $env );
+	}
+}
+