Author: [email protected]
Date: Tue Jan 27 22:28:13 2009
New Revision: 1178

Modified:
    branches/bleeding_edge/src/runtime.cc
    branches/bleeding_edge/test/mjsunit/debug-referenced-by.js

Log:
Skip the context extension object when locating objects referenced from  
another object (the right way).

BUG=211
Review URL: http://codereview.chromium.org/18857

Modified: branches/bleeding_edge/src/runtime.cc
==============================================================================
--- branches/bleeding_edge/src/runtime.cc       (original)
+++ branches/bleeding_edge/src/runtime.cc       Tue Jan 27 22:28:13 2009
@@ -5738,7 +5738,6 @@
  static int DebugReferencedBy(JSObject* target,
                               Object* instance_filter, int max_references,
                               FixedArray* instances, int instances_size,
-                             JSFunction* context_extension_function,
                               JSFunction* arguments_function) {
    NoHandleAllocation ha;
    AssertNoAllocation no_alloc;
@@ -5755,7 +5754,7 @@
        // Skip context extension objects and argument arrays as these are
        // checked in the context of functions using them.
        JSObject* obj = JSObject::cast(heap_obj);
-      if (obj->map()->constructor() == context_extension_function ||
+      if (obj->IsJSContextExtensionObject() ||
            obj->map()->constructor() == arguments_function) {
          continue;
        }
@@ -5824,8 +5823,6 @@
    RUNTIME_ASSERT(max_references >= 0);

    // Get the constructor function for context extension and arguments  
array.
-  JSFunction* context_extension_function =
-      Top::context()->global_context()->context_extension_function();
    JSObject* arguments_boilerplate =
        Top::context()->global_context()->arguments_boilerplate();
    JSFunction* arguments_function =
@@ -5834,8 +5831,7 @@
    // Get the number of referencing objects.
    int count;
    count = DebugReferencedBy(target, instance_filter, max_references,
-                            NULL, 0,
-                            context_extension_function,  
arguments_function);
+                            NULL, 0, arguments_function);

    // Allocate an array to hold the result.
    Object* object = Heap::AllocateFixedArray(count);
@@ -5844,8 +5840,7 @@

    // Fill the referencing objects.
    count = DebugReferencedBy(target, instance_filter, max_references,
-                            instances, count,
-                            context_extension_function,  
arguments_function);
+                            instances, count, arguments_function);

    // Return result as JS array.
    Object* result =

Modified: branches/bleeding_edge/test/mjsunit/debug-referenced-by.js
==============================================================================
--- branches/bleeding_edge/test/mjsunit/debug-referenced-by.js  (original)
+++ branches/bleeding_edge/test/mjsunit/debug-referenced-by.js  Tue Jan 27  
22:28:13 2009
@@ -87,9 +87,7 @@
  // Adds a reference when set.
  h("x_ = a");
  var x = mirror.referencedBy();
-// TODO(1323070) This should be 7 and not 8. 8 is caused by the context
-// extension object beeing part of the result.
-assertEquals(8, mirror.referencedBy().length);
+assertEquals(7, mirror.referencedBy().length);
  // Removes a reference when cleared.
  h("x_ = null");
  assertEquals(6, mirror.referencedBy().length);

--~--~---------~--~----~------------~-------~--~----~
v8-dev mailing list
[email protected]
http://groups.google.com/group/v8-dev
-~----------~----~----~----~------~----~------~--~---

Reply via email to