Updating Vars to allow scoped anonymous functions

compiler/ast/Vars.js

@@ -15,6 +15,14 @@ class Vars extends Node {
         var declarations = this.declarations;
         var kind = this.kind;
         var isStatement = this.statement;
+        var body = this.body;
+        var selfInvoking = this.isFlagSet('selfInvoking');
+        var hasBody = (body && body.array && body.array.length > 0);
+
+        if(!selfInvoking && hasBody) {
+            this.setFlag('selfInvoking');
+            return generator.builder.selfInvokingFunction([ this ]);
+        }
 
         if (declarations && !Array.isArray(declarations) && typeof declarations === 'object') {
             // Convert the object into an array of variables
@@ -77,6 +85,9 @@ class Vars extends Node {
                 }
             }
         }
+        if(hasBody) {
+            generator.generateCode(body);
+        }
     }
 }
 

test/fixtures/render/autotest/var-tag/expected.html

@@ -1 +1 @@
-FRANK 3650
+FRANK 36501711

test/fixtures/render/autotest/var-tag/template.marko

@@ -1,3 +1,8 @@
 <var name='Frank' age=10/>
 
-${name.toUpperCase()} ${age*365}
+${name.toUpperCase()} ${age*365}
+<var x=1 y=7 z=x+10 unusedVar>
+  ${x}
+  ${y}
+  ${z}
+</var>