StringTable::LookupKey() and all callers handlified.

src/factory.h

 // Copyright 2014 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.
 
 #ifndef V8_FACTORY_H_
 #define V8_FACTORY_H_
 
 #include "isolate.h"
 
 namespace v8 {
@@ skipping 63 matching lines @@
 
   // Create a new boxed value.
   Handle<Box> NewBox(Handle<Object> value);
 
   // Create a pre-tenured empty AccessorPair.
   Handle<AccessorPair> NewAccessorPair();
 
   // Create an empty TypeFeedbackInfo.
   Handle<TypeFeedbackInfo> NewTypeFeedbackInfo();
 
+  // Finds the internalized copy for string in the string table.
+  // If not found, a new string is added to the table and returned.
   Handle<String> InternalizeUtf8String(Vector<const char> str);
   Handle<String> InternalizeUtf8String(const char* str) {
     return InternalizeUtf8String(CStrVector(str));
   }
   Handle<String> InternalizeString(Handle<String> str);
   Handle<String> InternalizeOneByteString(Vector<const uint8_t> str);
   Handle<String> InternalizeOneByteString(
       Handle<SeqOneByteString>, int from, int length);
 
   Handle<String> InternalizeTwoByteString(Vector<const uc16> str);
@@ skipping 64 matching lines @@
   // Allocates and partially initializes an ASCII or TwoByte String. The
   // characters of the string are uninitialized. Currently used in regexp code
   // only, where they are pretenured.
   MUST_USE_RESULT MaybeHandle<SeqOneByteString> NewRawOneByteString(
       int length,
       PretenureFlag pretenure = NOT_TENURED);
   MUST_USE_RESULT MaybeHandle<SeqTwoByteString> NewRawTwoByteString(
       int length,
       PretenureFlag pretenure = NOT_TENURED);
 
-  Handle<String> LookupSingleCharacterStringFromCode(uint32_t index);
+  // Creates a single character string where the character has given code.
+  // A cache is used for ASCII codes.
+  Handle<String> LookupSingleCharacterStringFromCode(uint32_t code);
 
   // Create a new cons string object which consists of a pair of strings.
   MUST_USE_RESULT MaybeHandle<String> NewConsString(Handle<String> left,
                                                     Handle<String> right);
 
   Handle<ConsString> NewRawConsString(String::Encoding encoding);
 
   // Create a new sequential string containing the concatenation of the inputs.
   Handle<String> NewFlatConcatString(Handle<String> first,
                                      Handle<String> second);
@@ skipping 389 matching lines @@
 #undef STRUCT_MAP_ACCESSOR
 
 #define STRING_ACCESSOR(name, str)                                             \
   inline Handle<String> name() {                                               \
     return Handle<String>(BitCast<String**>(                                   \
         &isolate()->heap()->roots_[Heap::k##name##RootIndex]));                \
   }
   INTERNALIZED_STRING_LIST(STRING_ACCESSOR)
 #undef STRING_ACCESSOR
 
+  inline void set_string_table(Handle<StringTable> table) {
+    isolate()->heap()->set_string_table(*table);
+  }
+
   Handle<String> hidden_string() {
     return Handle<String>(&isolate()->heap()->hidden_string_);
   }
 
   // Allocates a new SharedFunctionInfo object.
   Handle<SharedFunctionInfo> NewSharedFunctionInfo(
       Handle<String> name,
       int number_of_literals,
       bool is_generator,
       Handle<Code> code,
@@ skipping 93 matching lines @@
   // the string representation of the number.  Otherwise return undefined.
   Handle<Object> GetNumberStringCache(Handle<Object> number);
 
   // Update the cache with a new number-string pair.
   void SetNumberStringCache(Handle<Object> number, Handle<String> string);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_