Add support for dynamic partial names

Uses the subexpression syntax to allow for dynamic partial lookups. Ex:

```
{{> (helper) }}
```

Fixes #933

1 files changed, 8 insertions, 2 deletions

diff --git a/lib/handlebars/compiler/compiler.js b/lib/handlebars/compiler/compiler.js
index 95fe101..524f9aa 100644
--- a/lib/handlebars/compiler/compiler.js
+++ b/lib/handlebars/compiler/compiler.js
@@ -145,7 +145,6 @@ Compiler.prototype = {
   },
 
   PartialStatement: function(partial) {
-    var partialName = partial.sexpr.path.original;
     this.usePartial = true;
 
     var params = partial.sexpr.params;
@@ -155,6 +154,12 @@ Compiler.prototype = {
       params.push({type: 'PathExpression', parts: [], depth: 0});
     }
 
+    var partialName = partial.sexpr.name.original,
+        isDynamic = partial.sexpr.name.type === 'SubExpression';
+    if (isDynamic) {
+      this.accept(partial.sexpr.name);
+    }
+
     this.setupFullMustacheParams(partial.sexpr, undefined, undefined, true);
 
     var indent = partial.indent || '';
@@ -162,7 +167,8 @@ Compiler.prototype = {
       this.opcode('appendContent', indent);
       indent = '';
     }
-    this.opcode('invokePartial', partialName, indent);
+
+    this.opcode('invokePartial', isDynamic, partialName, indent);
     this.opcode('append');
   },