Refactor ScriptData class for cached compile data.

src/preparse-data.h

 // Copyright 2011 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_PREPARSE_DATA_H_
 #define V8_PREPARSE_DATA_H_
 
 #include "src/allocation.h"
+#include "src/compiler.h"

[vogelheim, 2014/07/09 17:23:36]

If this is only for CompleteParserRecorder::GetScriptData(), then a forward
declaration of ScriptData would be enough.

[Yang, 2014/07/10 08:28:46]

Done.

 #include "src/hashmap.h"
 #include "src/preparse-data-format.h"
 #include "src/utils-inl.h"
 
 namespace v8 {
 namespace internal {
 
 
 // Abstract interface for preparse data recorder.
 class ParserRecorder {
@@ skipping 123 matching lines @@
   }
 
   // Logs an error message and marks the log as containing an error.
   // Further logging will be ignored, and ExtractData will return a vector
   // representing the error only.
   virtual void LogMessage(int start,
                           int end,
                           const char* message,
                           const char* argument_opt,
                           bool is_reference_error_);
-  Vector<unsigned> ExtractData();
+  ScriptData* GetScriptData();
 
  private:
   bool has_error() {
     return static_cast<bool>(preamble_[PreparseDataConstants::kHasErrorOffset]);
   }
 
   void WriteString(Vector<const char> str);
 
   // Write a non-negative number to the symbol store.
   void WriteNumber(int number);
 
   Collector<unsigned> function_store_;
   unsigned preamble_[PreparseDataConstants::kHeaderSize];
 
 #ifdef DEBUG
   int prev_start_;
 #endif
 };
 
 
 } }  // namespace v8::internal.
 
 #endif  // V8_PREPARSE_DATA_H_