Use stack rather than register for invoke lookup

kpdecker · kpdecker · commit 94e70043f98c · 2013-01-20T17:04:30.000-06:00
diff --git a/lib/handlebars/compiler/compiler.js b/lib/handlebars/compiler/compiler.js
@@ -779,11 +779,13 @@ Handlebars.JavaScriptCompiler = function() {};
       this.context.aliases.helperMissing = 'helpers.helperMissing';
 
       var helper = this.lastHelper = this.setupHelper(paramSize, name, true);
-      this.useRegister('foundHelper');
 
-      this.pushStack("(foundHelper = " + helper.name + ") ? foundHelper.call(" +
-        helper.callParams + ") " + ": helperMissing.call(" +
-        helper.helperMissingParams + ")");
+      this.pushStack(helper.name, true);
+      this.replaceStack(function(name) {
+        return name + ' ? ' + name + '.call(' +
+            helper.callParams + ") " + ": helperMissing.call(" +
+            helper.helperMissingParams + ")";
+      }, true);
     },
 
     // [invokeKnownHelper]
