Adding upstream version 2.11.4.upstream/2.11.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/library/vendor/lessphp/lib/Less/Tree/Variable.php b/library/vendor/lessphp/lib/Less/Tree/Variable.php
new file mode 100644
index 0000000..e36d3d4
--- /dev/null
+++ b/library/vendor/lessphp/lib/Less/Tree/Variable.php
@@ -0,0 +1,51 @@
+<?php
+
+/**
+ * Variable
+ *
+ * @package Less
+ * @subpackage tree
+ */
+class Less_Tree_Variable extends Less_Tree {
+
+	public $name;
+	public $index;
+	public $currentFileInfo;
+	public $evaluating = false;
+	public $type = 'Variable';
+
+	/**
+	 * @param string $name
+	 */
+	public function __construct( $name, $index = null, $currentFileInfo = null ) {
+		$this->name = $name;
+		$this->index = $index;
+		$this->currentFileInfo = $currentFileInfo;
+	}
+
+	public function compile( $env ) {
+		if ( $this->name[1] === '@' ) {
+			$v = new Less_Tree_Variable( substr( $this->name, 1 ), $this->index + 1, $this->currentFileInfo );
+			$name = '@' . $v->compile( $env )->value;
+		} else {
+			$name = $this->name;
+		}
+
+		if ( $this->evaluating ) {
+			throw new Less_Exception_Compiler( "Recursive variable definition for " . $name, null, $this->index, $this->currentFileInfo );
+		}
+
+		$this->evaluating = true;
+
+		foreach ( $env->frames as $frame ) {
+			if ( $v = $frame->variable( $name ) ) {
+				$r = $v->value->compile( $env );
+				$this->evaluating = false;
+				return $r;
+			}
+		}
+
+		throw new Less_Exception_Compiler( "variable " . $name . " is undefined in file ".$this->currentFileInfo["filename"], null, $this->index, $this->currentFileInfo );
+	}
+
+}