Revision: 14735
Author: [email protected]
Date: Tue May 21 10:21:27 2013
Log: Don't track representations in context extensions.
This also enables verification of representations.
BUG=
[email protected]
Review URL: https://chromiumcodereview.appspot.com/15411003
http://code.google.com/p/v8/source/detail?r=14735
Modified:
/branches/bleeding_edge/src/objects-debug.cc
/branches/bleeding_edge/src/objects.cc
=======================================
--- /branches/bleeding_edge/src/objects-debug.cc Wed May 8 01:08:23 2013
+++ /branches/bleeding_edge/src/objects-debug.cc Tue May 21 10:21:27 2013
@@ -306,6 +306,17 @@
CHECK_EQ(map()->unused_property_fields(),
(map()->inobject_properties() + properties()->length() -
map()->NextFreePropertyIndex()));
+ DescriptorArray* descriptors = map()->instance_descriptors();
+ for (int i = 0; i < map()->NumberOfOwnDescriptors(); i++) {
+ if (descriptors->GetDetails(i).type() == FIELD) {
+ Representation r = descriptors->GetDetails(i).representation();
+ int field = descriptors->GetFieldIndex(i);
+ Object* value = RawFastPropertyAt(field);
+ if (r.IsSmi()) ASSERT(value->IsSmi());
+ if (r.IsDouble()) ASSERT(value->IsHeapNumber());
+ if (r.IsHeapObject()) ASSERT(value->IsHeapObject());
+ }
+ }
}
CHECK_EQ((map()->has_fast_smi_or_object_elements() ||
(elements() == GetHeap()->empty_fixed_array())),
=======================================
--- /branches/bleeding_edge/src/objects.cc Tue May 21 04:20:24 2013
+++ /branches/bleeding_edge/src/objects.cc Tue May 21 10:21:27 2013
@@ -1801,7 +1801,9 @@
int index = map()->NextFreePropertyIndex();
// Allocate new instance descriptors with (name, index) added
- Representation representation = value->OptimalRepresentation();
+ Representation representation = IsJSContextExtensionObject()
+ ? Representation::Tagged() : value->OptimalRepresentation();
+
FieldDescriptor new_field(name, index, attributes, representation);
ASSERT(index < map()->inobject_properties() ||
@@ -2105,7 +2107,8 @@
return ReplaceSlowProperty(name, new_value, attributes);
}
- Representation representation = new_value->OptimalRepresentation();
+ Representation representation = IsJSContextExtensionObject()
+ ? Representation::Tagged() : new_value->OptimalRepresentation();
int index = map()->NextFreePropertyIndex();
FieldDescriptor new_field(name, index, attributes, representation);
--
--
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