1 files changed, 26 insertions, 14 deletions

diff --git a/lib/handlebars/compiler/compiler.js b/lib/handlebars/compiler/compiler.js
index 9bcc065..9e05a1e 100644
--- a/lib/handlebars/compiler/compiler.js
+++ b/lib/handlebars/compiler/compiler.js
@@ -129,7 +129,7 @@ Handlebars.JavaScriptCompiler = function() {};
         // evaluate it by executing `blockHelperMissing`
         this.opcode('pushProgram', program);
         this.opcode('pushProgram', inverse);
-        this.opcode('pushHash');
+        this.opcode('emptyHash');
         this.opcode('blockValue');
       } else {
         this.ambiguousMustache(mustache, program, inverse);
@@ -138,7 +138,7 @@ Handlebars.JavaScriptCompiler = function() {};
         // evaluate it by executing `blockHelperMissing`
         this.opcode('pushProgram', program);
         this.opcode('pushProgram', inverse);
-        this.opcode('pushHash');
+        this.opcode('emptyHash');
         this.opcode('ambiguousBlockValue');
       }
 
@@ -343,7 +343,7 @@ Handlebars.JavaScriptCompiler = function() {};
       if(mustache.hash) {
         this.hash(mustache.hash);
       } else {
-        this.opcode('pushHash');
+        this.opcode('emptyHash');
       }
 
       return params;
@@ -360,7 +360,7 @@ Handlebars.JavaScriptCompiler = function() {};
       if(mustache.hash) {
         this.hash(mustache.hash);
       } else {
-        this.opcode('pushHash');
+        this.opcode('emptyHash');
       }
 
       return params;
@@ -693,6 +693,13 @@ Handlebars.JavaScriptCompiler = function() {};
       }
     },
 
+    emptyHash: function() {
+      this.pushStackLiteral('{}');
+
+      if (this.options.stringParams) {
+        this.register('hashTypes', '{}');
+      }
+    },
     pushHash: function() {
       this.push('{}');
 
@@ -761,10 +768,10 @@ Handlebars.JavaScriptCompiler = function() {};
     invokeHelper: function(paramSize, name) {
       this.context.aliases.helperMissing = 'helpers.helperMissing';
 
-      var helper = this.lastHelper = this.setupHelper(paramSize, name);
-      this.register('foundHelper', helper.name);
+      var helper = this.lastHelper = this.setupHelper(paramSize, name, true);
+      this.useRegister('foundHelper');
 
-      this.pushStack("foundHelper ? foundHelper.call(" +
+      this.pushStack("(foundHelper = " + helper.name + ") ? foundHelper.call(" +
         helper.callParams + ") " + ": helperMissing.call(" +
         helper.helperMissingParams + ")");
     },
@@ -800,12 +807,11 @@ Handlebars.JavaScriptCompiler = function() {};
       var helper = this.setupHelper(0, name);
 
       var helperName = this.lastHelper = this.nameLookup('helpers', name, 'helper');
-      this.register('foundHelper', helperName);
 
       var nonHelper = this.nameLookup('depth' + this.lastContext, name, 'context');
       var nextStack = this.nextStack();
 
-      this.source.push('if (foundHelper) { ' + nextStack + ' = foundHelper.call(' + helper.callParams + '); }');
+      this.source.push('if (' + nextStack + ' = ' + helperName + ') { ' + nextStack + ' = ' + nextStack + '.call(' + helper.callParams + '); }');
       this.source.push('else { ' + nextStack + ' = ' + nonHelper + '; ' + nextStack + ' = typeof ' + nextStack + ' === functionType ? ' + nextStack + '.apply(depth0) : ' + nextStack + '; }');
     },
 
@@ -972,22 +978,22 @@ Handlebars.JavaScriptCompiler = function() {};
         .replace(/\r/g, '\\r') + '"';
     },
 
-    setupHelper: function(paramSize, name) {
+    setupHelper: function(paramSize, name, missingParams) {
       var params = [];
-      this.setupParams(paramSize, params);
+      this.setupParams(paramSize, params, missingParams);
       var foundHelper = this.nameLookup('helpers', name, 'helper');
 
       return {
         params: params,
         name: foundHelper,
         callParams: ["depth0"].concat(params).join(", "),
-        helperMissingParams: ["depth0", this.quotedString(name)].concat(params).join(", ")
+        helperMissingParams: missingParams && ["depth0", this.quotedString(name)].concat(params).join(", ")
       };
     },
 
     // the params and contexts arguments are passed in arrays
     // to fill in
-    setupParams: function(paramSize, params) {
+    setupParams: function(paramSize, params, useRegister) {
       var options = [], contexts = [], types = [], param, inverse, program;
 
       options.push("hash:" + this.popStack());
@@ -1032,7 +1038,13 @@ Handlebars.JavaScriptCompiler = function() {};
         options.push("data:data");
       }
 
-      params.push("{" + options.join(",") + "}");
+      options = "{" + options.join(",") + "}";
+      if (useRegister) {
+        this.register('options', options);
+        params.push('options');
+      } else {
+        params.push(options);
+      }
       return params.join(", ");
     }
   };