Restructure files to make more sense in a non-CommonJS world.

lib/handlebars/ast.js

@@ -1,53 +1,50 @@
-var ProgramNode = function(statements, inverse) {
+if(exports) { var Handlebars = {} }
+
+Handlebars.AST = {};
+
+Handlebars.AST.ProgramNode = function(statements, inverse) {
   this.type = "program";
   this.statements = statements;
   this.inverse = inverse;
 };
 
-var MustacheNode = function(params) {
+Handlebars.AST.MustacheNode = function(params) {
   this.type = "mustache";
   this.id = params[0];
   this.params = params.slice(1);
 };
 
-var PartialNode = function(id) {
+Handlebars.AST.PartialNode = function(id) {
   this.type = "partial";
   this.id = id;
 };
 
-var BlockNode = function(mustache, program) {
+Handlebars.AST.BlockNode = function(mustache, program) {
   this.type = "block";
   this.mustache = mustache;
   this.program  = program;
 };
 
-var ContentNode = function(string) {
+Handlebars.AST.ContentNode = function(string) {
   this.type = "content";
   this.string = string;
 }
 
-var IdNode = function(id) {
+Handlebars.AST.IdNode = function(id) {
   this.type = "ID"
   this.id = id;
 }
 
-StringNode = function(string) {
+Handlebars.AST.StringNode = function(string) {
   this.type = "STRING";
   this.string = string;
 }
 
-CommentNode = function(comment) {
+Handlebars.AST.CommentNode = function(comment) {
   this.type = "comment";
   this.comment = comment;
 }
 
 if(exports) {
-  exports.ProgramNode  = ProgramNode;
-  exports.MustacheNode = MustacheNode;
-  exports.ContentNode  = ContentNode;
-  exports.IdNode       = IdNode;
-  exports.StringNode   = StringNode;
-  exports.PartialNode  = PartialNode;
-  exports.CommentNode  = CommentNode;
-  exports.BlockNode    = BlockNode;
+  exports.AST = Handlebars.AST;
 }