Simplify Path and Sexpr calculated flags

lib/handlebars/compiler/ast.js

@@ -69,21 +69,8 @@ var AST = {
     this.type = "sexpr";
     this.hash = hash;
 
-    var id = this.id = rawParams[0];
-    var params = this.params = rawParams.slice(1);
-
-    // a mustache is definitely a helper if:
-    // * it is an eligible helper, and
-    // * it has at least one parameter or hash segment
-    this.isHelper = !!(params.length || hash);
-
-    // a mustache is an eligible helper if:
-    // * its id is simple (a single part, not `this` or `..`)
-    this.eligibleHelper = this.isHelper || id.isSimple;
-
-    // if a mustache is an eligible helper but not a definite
-    // helper, it is ambiguous, and will be resolved in a later
-    // pass or at runtime.
+    this.id = rawParams[0];
+    this.params = rawParams.slice(1);
   },
 
   HashNode: function(pairs, locInfo) {
@@ -111,8 +98,6 @@ var AST = {
         } else if (part === '..') {
           depth++;
           depthString += '../';
-        } else {
-          this.isScoped = true;
         }
       } else {
         dig.push(part);
@@ -123,10 +108,6 @@ var AST = {
     this.original = (data ? '@' : '') + original;
     this.parts    = dig;
     this.depth    = depth;
-
-    // an ID is simple if it only has one part, and that part is not
-    // `..` or `this`.
-    this.isSimple = parts.length === 1 && !this.isScoped && depth === 0;
   },
 
   StringNode: function(string, locInfo) {