complete redesign: use nodejs on server instead of php - documentation to be updated

nodejs/node_modules/stylus/lib/stack/frame.js

@@ -0,0 +1,65 @@
+
+/*!
+ * Stylus - stack - Frame
+ * Copyright (c) Automattic <developer.wordpress.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var Scope = require('./scope');
+
+/**
+ * Initialize a new `Frame` with the given `block`.
+ *
+ * @param {Block} block
+ * @api private
+ */
+
+var Frame = module.exports = function Frame(block) {
+  this._scope = false === block.scope
+    ? null
+    : new Scope;
+  this.block = block;
+};
+
+/**
+ * Return this frame's scope or the parent scope
+ * for scope-less blocks.
+ *
+ * @return {Scope}
+ * @api public
+ */
+
+Frame.prototype.__defineGetter__('scope', function(){
+  return this._scope || this.parent.scope;
+});
+
+/**
+ * Lookup the given local variable `name`.
+ *
+ * @param {String} name
+ * @return {Node}
+ * @api private
+ */
+
+Frame.prototype.lookup = function(name){
+  return this.scope.lookup(name)
+};
+
+/**
+ * Custom inspect.
+ *
+ * @return {String}
+ * @api public
+ */
+
+Frame.prototype.inspect = function(){
+  return '[Frame '
+    + (false === this.block.scope
+        ? 'scope-less'
+        : this.scope.inspect())
+    + ']';
+};