Refactor ScriptData class for cached compile data.

src/preparse-data.h

Index: src/preparse-data.h
diff --git a/src/preparse-data.h b/src/preparse-data.h
index 36c481cb3626ffd2d01e2184d3e6d93cd46c4a67..5280c47c79657bda51ed119a06a32f14028c7155 100644
--- a/src/preparse-data.h
+++ b/src/preparse-data.h
@@ -119,6 +119,10 @@ class SingletonLogger : public ParserRecorder {
 };
 
 
+// Forward declaration for CompleteParserRecorder::GetScriptData.

[marja, 2014/07/10 08:48:11]

Nit: This comment is unnecessary.

[Yang, 2014/07/10 10:27:58]

Done.

+class ScriptData;
+
+
 class CompleteParserRecorder : public ParserRecorder {
  public:
   struct Key {
@@ -149,13 +153,17 @@ class CompleteParserRecorder : public ParserRecorder {
                           const char* message,
                           const char* argument_opt,
                           bool is_reference_error_);
-  Vector<unsigned> ExtractData();
+  ScriptData* GetScriptData();
 
- private:
-  bool has_error() {
+  bool HasError() {
     return static_cast<bool>(preamble_[PreparseDataConstants::kHasErrorOffset]);
   }
+  Vector<unsigned> ErrorMessageData() {
+    ASSERT(HasError());
+    return function_store_.ToVector();
+  }
 
+ private:
   void WriteString(Vector<const char> str);
 
   // Write a non-negative number to the symbol store.