Avoid logging preparse-data inside lazily compiled functions.

src/parser.h

 // Copyright 2006-2008 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 54 matching lines @@
   void set_end_pos(int value) { backing_[kEndPosOffset] = value; }
 
   int literal_count() { return backing_[kLiteralCountOffset]; }
   void set_literal_count(int value) { backing_[kLiteralCountOffset] = value; }
 
   int property_count() { return backing_[kPropertyCountOffset]; }
   void set_property_count(int value) {
     backing_[kPropertyCountOffset] = value;
   }
 
-  int predata_function_skip() { return backing_[kPredataFunctionSkipOffset]; }
-  void set_predata_function_skip(int value) {
-    backing_[kPredataFunctionSkipOffset] = value;
-  }
-
-  int predata_symbol_skip() { return backing_[kPredataSymbolSkipOffset]; }
-  void set_predata_symbol_skip(int value) {
-    backing_[kPredataSymbolSkipOffset] = value;
-  }
-
   bool is_valid() { return backing_.length() > 0; }
 
-  static const int kSize = 6;
+  static const int kSize = 4;
 
  private:
   Vector<unsigned> backing_;
   static const int kStartPosOffset = 0;
   static const int kEndPosOffset = 1;
   static const int kLiteralCountOffset = 2;
   static const int kPropertyCountOffset = 3;
-  static const int kPredataFunctionSkipOffset = 4;
-  static const int kPredataSymbolSkipOffset = 5;
 };
 
 
 class ScriptDataImpl : public ScriptData {
  public:
   explicit ScriptDataImpl(Vector<unsigned> store)
       : store_(store),
         owns_store_(true) { }
 
   // Create an empty ScriptDataImpl that is guaranteed to not satisfy
   // a SanityCheck.
   ScriptDataImpl() : store_(Vector<unsigned>()), owns_store_(false) { }
 
   virtual ~ScriptDataImpl();
   virtual int Length();
   virtual const char* Data();
   virtual bool HasError();
 
   void Initialize();
   void ReadNextSymbolPosition();
 
   FunctionEntry GetFunctionEntry(int start);
   int GetSymbolIdentifier();
-  void SkipFunctionEntry(int start);
   bool SanityCheck();
 
   Scanner::Location MessageLocation();
   const char* BuildMessage();
   Vector<const char*> BuildArgs();
 
   int symbol_count() {
     return (store_.length() > kHeaderSize) ? store_[kSymbolCountOffset] : 0;
   }
   // The following functions should only be called if SanityCheck has
   // returned true.
   bool has_error() { return store_[kHasErrorOffset]; }
   unsigned magic() { return store_[kMagicOffset]; }
   unsigned version() { return store_[kVersionOffset]; }
 
-  // Skip forward in the preparser data by the given number
-  // of unsigned ints of function entries and the given number of bytes of
-  // symbol id encoding.
-  void Skip(int function_entries, int symbol_entries) {
-    ASSERT(function_entries >= 0);
-    ASSERT(function_entries
-           <= (static_cast<int>(store_[kFunctionsSizeOffset])
-               - (function_index_ - kHeaderSize)));
-    ASSERT(symbol_entries >= 0);
-    ASSERT(symbol_entries <= symbol_data_end_ - symbol_data_);
-
-    unsigned max_function_skip = store_[kFunctionsSizeOffset] -
-        static_cast<unsigned>(function_index_ - kHeaderSize);
-    function_index_ +=
-        Min(static_cast<unsigned>(function_entries), max_function_skip);
-    symbol_data_ +=
-        Min(static_cast<unsigned>(symbol_entries),
-            static_cast<unsigned>(symbol_data_end_ - symbol_data_));
-  }
-
   static const unsigned kMagicNumber = 0xBadDead;
-  static const unsigned kCurrentVersion = 3;
+  static const unsigned kCurrentVersion = 4;
 
   static const int kMagicOffset = 0;
   static const int kVersionOffset = 1;
   static const int kHasErrorOffset = 2;
   static const int kFunctionsSizeOffset = 3;
   static const int kSymbolCountOffset = 4;
   static const int kSizeOffset = 5;
   static const int kHeaderSize = 6;
 
   // If encoding a message, the following positions are fixed.
@@ skipping 99 matching lines @@
   static const int kTypeSlot = 0;
   static const int kElementsSlot = 1;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_