Version 4.4.63.24 (cherry-pick)

src/objects.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 <iomanip>
 #include <sstream>
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
@@ skipping 14683 matching lines @@
 
 
 template<typename Derived, typename Shape, typename Key>
 Handle<Derived> HashTable<Derived, Shape, Key>::New(
     Isolate* isolate,
     int at_least_space_for,
     MinimumCapacity capacity_option,
     PretenureFlag pretenure) {
   DCHECK(0 <= at_least_space_for);
   DCHECK(!capacity_option || base::bits::IsPowerOfTwo32(at_least_space_for));
+
   int capacity = (capacity_option == USE_CUSTOM_MINIMUM_CAPACITY)
                      ? at_least_space_for
-                     : isolate->serializer_enabled()
+                     : isolate->creating_default_snapshot()
                            ? ComputeCapacityForSerialization(at_least_space_for)
                            : ComputeCapacity(at_least_space_for);
   if (capacity > HashTable::kMaxCapacity) {
     v8::internal::Heap::FatalProcessOutOfMemory("invalid table size", true);
   }
 
   Factory* factory = isolate->factory();
   int length = EntryToIndex(capacity);
   Handle<FixedArray> array = factory->NewFixedArray(length, pretenure);
   array->set_map_no_write_barrier(*factory->hash_table_map());
@@ skipping 972 matching lines @@
   // Add the new string and return it along with the string table.
   entry = table->FindInsertionEntry(key->Hash());
   table->set(EntryToIndex(entry), *string);
   table->ElementAdded();
 
   isolate->factory()->set_string_table(table);
   return Handle<String>::cast(string);
 }
 
 
+String* StringTable::LookupKeyIfExists(Isolate* isolate, HashTableKey* key) {
+  Handle<StringTable> table = isolate->factory()->string_table();
+  int entry = table->FindEntry(key);
+  if (entry != kNotFound) return String::cast(table->KeyAt(entry));
+  return NULL;
+}
+
+
 Handle<Object> CompilationCacheTable::Lookup(Handle<String> src,
                                              Handle<Context> context,
                                              LanguageMode language_mode) {
   Isolate* isolate = GetIsolate();
   Handle<SharedFunctionInfo> shared(context->closure()->shared());
   StringSharedKey key(src, shared, language_mode, RelocInfo::kNoPosition);
   int entry = FindEntry(&key);
   if (entry == kNotFound) return isolate->factory()->undefined_value();
   int index = EntryToIndex(entry);
   if (!get(index)->IsFixedArray()) return isolate->factory()->undefined_value();
@@ skipping 1549 matching lines @@
 void PropertyCell::SetValueWithInvalidation(Handle<PropertyCell> cell,
                                             Handle<Object> new_value) {
   if (cell->value() != *new_value) {
     cell->set_value(*new_value);
     Isolate* isolate = cell->GetIsolate();
     cell->dependent_code()->DeoptimizeDependentCodeGroup(
         isolate, DependentCode::kPropertyCellChangedGroup);
   }
 }
 } }  // namespace v8::internal