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[autoinstallsdev/mediawiki.git] / vendor / oyejorge / less.php / lib / Less / Tree / Variable.php

diff --git a/vendor/oyejorge/less.php/lib/Less/Tree/Variable.php b/vendor/oyejorge/less.php/lib/Less/Tree/Variable.php
new file mode 100644 (file)
index 0000000..cc0182c
--- /dev/null
+++ b/vendor/oyejorge/less.php/lib/Less/Tree/Variable.php
@@ -0,0 +1,52 @@
+<?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);
+       }
+
+}