Analyze functions for assignment to this properties

src/objects-debug.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 353 matching lines @@
   PrintProperties();
   PrintElements();
   PrintF(" }\n");
 }
 
 
 void JSObject::JSObjectVerify() {
   VerifyHeapPointer(properties());
   VerifyHeapPointer(elements());
   if (HasFastProperties()) {
-    CHECK(map()->unused_property_fields() ==
-          (map()->inobject_properties() + properties()->length() -
-           map()->NextFreePropertyIndex()));
+    CHECK_EQ(map()->unused_property_fields(),
+             (map()->inobject_properties() + properties()->length() -
+              map()->NextFreePropertyIndex()));
   }
 }
 
 
 static const char* TypeToString(InstanceType type) {
   switch (type) {
     case INVALID_TYPE: return "INVALID";
     case MAP_TYPE: return "MAP";
     case HEAP_NUMBER_TYPE: return "HEAP_NUMBER";
     case SHORT_SYMBOL_TYPE:
@@ skipping 68 matching lines @@
 #undef MAKE_STRUCT_CASE
   }
   return "UNKNOWN";
 }
 
 
 void Map::MapPrint() {
   HeapObject::PrintHeader("Map");
   PrintF(" - type: %s\n", TypeToString(instance_type()));
   PrintF(" - instance size: %d\n", instance_size());
+  PrintF(" - inobject properties: %d\n", inobject_properties());
   PrintF(" - unused property fields: %d\n", unused_property_fields());
   if (is_hidden_prototype()) {
     PrintF(" - hidden_prototype\n");
   }
   if (has_named_interceptor()) {
     PrintF(" - named_interceptor\n");
   }
   if (has_indexed_interceptor()) {
     PrintF(" - indexed_interceptor\n");
   }
@@ skipping 137 matching lines @@
   // Script files are often large, hard to read.
   // PrintF("\n - script =");
   // script()->Print();
   PrintF("\n - function token position = %d", function_token_position());
   PrintF("\n - start position = %d", start_position());
   PrintF("\n - end position = %d", end_position());
   PrintF("\n - is expression = %d", is_expression());
   PrintF("\n - debug info = ");
   debug_info()->ShortPrint();
   PrintF("\n - length = %d", length());
+  PrintF("\n - has_only_this_property_assignments = %d",
+         has_only_this_property_assignments());
+  PrintF("\n - has_only_simple_this_property_assignments = %d",
+         has_only_simple_this_property_assignments());
+  PrintF("\n - this_property_assignments = ");
+  this_property_assignments()->ShortPrint();
   PrintF("\n");
 }
 
 void SharedFunctionInfo::SharedFunctionInfoVerify() {
   CHECK(IsSharedFunctionInfo());
   VerifyObjectField(kNameOffset);
   VerifyObjectField(kCodeOffset);
   VerifyObjectField(kInstanceClassNameOffset);
   VerifyObjectField(kExternalReferenceDataOffset);
   VerifyObjectField(kScriptOffset);
@@ skipping 514 matching lines @@
     }
     current = hash;
   }
   return true;
 }
 
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal