Create stand-alone json parser (including scanner).

src/factory.cc

 // Copyright 2010 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 93 matching lines @@
 }
 
 
 // Symbols are created in the old generation (data space).
 Handle<String> Factory::LookupSymbol(Vector<const char> string) {
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->LookupSymbol(string),
                      String);
 }
 
+// Symbols are created in the old generation (data space).
+Handle<String> Factory::LookupSymbol(Handle<String> string) {
+  CALL_HEAP_FUNCTION(isolate(),
+                     isolate()->heap()->LookupSymbol(*string),
+                     String);
+}
+
 Handle<String> Factory::LookupAsciiSymbol(Vector<const char> string) {
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->LookupAsciiSymbol(string),
                      String);
 }
 
+
+Handle<String> Factory::LookupAsciiSymbol(Handle<SeqAsciiString> string,
+                                          int from,
+                                          int length) {
+  CALL_HEAP_FUNCTION(isolate(),
+                     isolate()->heap()->LookupAsciiSymbol(string,
+                                                          from,
+                                                          length),
+                     String);
+}
+
+
 Handle<String> Factory::LookupTwoByteSymbol(Vector<const uc16> string) {
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->LookupTwoByteSymbol(string),
                      String);
 }
 
 
 Handle<String> Factory::NewStringFromAscii(Vector<const char> string,
                                            PretenureFlag pretenure) {
   CALL_HEAP_FUNCTION(
@@ skipping 1064 matching lines @@
     Execution::ConfigureInstance(instance,
                                  instance_template,
                                  pending_exception);
   } else {
     *pending_exception = false;
   }
 }
 
 
 } }  // namespace v8::internal