diff options
Diffstat (limited to 'deps/v8/src/objects/string-table.h')
| -rw-r--r-- | deps/v8/src/objects/string-table.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/deps/v8/src/objects/string-table.h b/deps/v8/src/objects/string-table.h index 382fe06bf4..2e5be87b21 100644 --- a/deps/v8/src/objects/string-table.h +++ b/deps/v8/src/objects/string-table.h @@ -61,12 +61,17 @@ class StringTable : public HashTable<StringTable, StringTableShape> { V8_EXPORT_PRIVATE static Handle<String> LookupString(Isolate* isolate, Handle<String> key); static Handle<String> LookupKey(Isolate* isolate, StringTableKey* key); + static Handle<String> AddKeyNoResize(Isolate* isolate, StringTableKey* key); static String* ForwardStringIfExists(Isolate* isolate, StringTableKey* key, String* string); + // Shink the StringTable if it's very empty (kMaxEmptyFactor) to avoid the + // performance overhead of re-allocating the StringTable over and over again. + static Handle<StringTable> CautiousShrink(Handle<StringTable> table); + // Looks up a string that is equal to the given string and returns // string handle if it is found, or an empty handle otherwise. - MUST_USE_RESULT static MaybeHandle<String> LookupTwoCharsStringIfExists( + V8_WARN_UNUSED_RESULT static MaybeHandle<String> LookupTwoCharsStringIfExists( Isolate* isolate, uint16_t c1, uint16_t c2); static Object* LookupStringIfExists_NoAllocate(String* string); @@ -74,6 +79,10 @@ class StringTable : public HashTable<StringTable, StringTableShape> { DECL_CAST(StringTable) + static const int kMaxEmptyFactor = 8; + static const int kMinCapacity = 2048; + static const int kMinShrinkCapacity = kMinCapacity; + private: template <bool seq_one_byte> friend class JsonParser; |