Marko v3: added builder.containerNode(...)

compiler/Builder.js

@@ -43,6 +43,7 @@ var VariableDeclarator = require('./ast/VariableDeclarator');
 var ThisExpression = require('./ast/ThisExpression');
 var Expression = require('./ast/Expression');
 var Scriptlet = require('./ast/Scriptlet');
+var ContainerNode = require('./ast/ContainerNode');
 
 var parseExpression = require('./util/parseExpression');
 var parseJavaScriptArgs = require('./util/parseJavaScriptArgs');
@@ -133,6 +134,19 @@ class Builder {
         return new ConditionalExpression({test, consequent, alternate});
     }
 
+    containerNode(type, generateCode) {
+        if (typeof type === 'function') {
+            generateCode = arguments[0];
+            type = 'ContainerNode';
+        }
+
+        var node = new ContainerNode(type);
+        if (generateCode) {
+            node.setCodeGenerator(generateCode);
+        }
+        return node;
+    }
+
     elseStatement(body) {
         return new Else({body});
     }

compiler/ast/ContainerNode.js

@@ -0,0 +1,16 @@
+'use strict';
+
+var Node = require('./Node');
+
+class ContainerNode extends Node {
+    constructor(def) {
+        super('ContainerNode');
+        this.body = this.makeContainer(def.body);
+    }
+
+    walk(walker) {
+        this.body = walker.walk(this.body);
+    }
+}
+
+module.exports = ContainerNode;