Wrap JSFunction bindings in a helper object

src/profiler/heap-snapshot-generator.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/profiler/heap-snapshot-generator.h"
 
 #include "src/code-stubs.h"
 #include "src/conversions.h"
 #include "src/debug/debug.h"
 #include "src/profiler/allocation-tracker.h"
@@ skipping 1575 matching lines @@
     }
   }
 }
 
 
 void V8HeapExplorer::ExtractClosureReferences(JSObject* js_obj, int entry) {
   if (!js_obj->IsJSFunction()) return;
 
   JSFunction* func = JSFunction::cast(js_obj);
   if (func->shared()->bound()) {
-    FixedArray* bindings = func->function_bindings();
-    SetNativeBindReference(js_obj, entry, "bound_this",
-                           bindings->get(JSFunction::kBoundThisIndex));
+    BindingsArray* bindings = func->function_bindings();
+    SetNativeBindReference(js_obj, entry, "bound_this", bindings->bound_this());
     SetNativeBindReference(js_obj, entry, "bound_function",
-                           bindings->get(JSFunction::kBoundFunctionIndex));
-    for (int i = JSFunction::kBoundArgumentsStartIndex;
-         i < bindings->length(); i++) {
-      const char* reference_name = names_->GetFormatted(
-          "bound_argument_%d",
-          i - JSFunction::kBoundArgumentsStartIndex);
+                           bindings->bound_function());
+    for (int i = 0; i < bindings->bindings_count(); i++) {
+      const char* reference_name = names_->GetFormatted("bound_argument_%d", i);
       SetNativeBindReference(js_obj, entry, reference_name,
-                             bindings->get(i));
+                             bindings->binding(i));
     }
   }
 }
 
 
 void V8HeapExplorer::ExtractPropertyReferences(JSObject* js_obj, int entry) {
   if (js_obj->HasFastProperties()) {
     DescriptorArray* descs = js_obj->map()->instance_descriptors();
     int real_size = js_obj->map()->NumberOfOwnDescriptors();
     for (int i = 0; i < real_size; i++) {
@@ skipping 1554 matching lines @@
   for (int i = 1; i < sorted_strings.length(); ++i) {
     writer_->AddCharacter(',');
     SerializeString(sorted_strings[i]);
     if (writer_->aborted()) return;
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8