Add location tracking to sexpr

lib/handlebars/compiler/ast.js

@@ -72,7 +72,9 @@ var AST = {
     this.isHelper = this.sexpr.isHelper;
   },
 
-  SexprNode: function(rawParams, hash) {
+  SexprNode: function(rawParams, hash, locInfo) {
+    LocationInfo.call(this, locInfo);
+
     this.type = "sexpr";
     this.hash = hash;
 

src/handlebars.yy

@@ -71,8 +71,8 @@ simpleInverse
   ;
 
 sexpr
-  : path param* hash? -> new yy.SexprNode([$1].concat($2), $3)
-  | dataName -> new yy.SexprNode([$1], null)
+  : path param* hash? -> new yy.SexprNode([$1].concat($2), $3, @$)
+  | dataName -> new yy.SexprNode([$1], null, @$)
   ;
 
 param