devirtualize Parser

src/parser.h

 // Copyright 2012 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 405 matching lines @@
   bool is_scanned_for_captures_;
   bool failed_;
 };
 
 // ----------------------------------------------------------------------------
 // JAVASCRIPT PARSING
 
 // Forward declaration.
 class SingletonLogger;
 
 class Parser {

[Michael Starzinger, 2013/04/08 11:07:04]

Since we are at it, let's make the parser BASE_EMBEDDED.

[wingo, 2013/04/08 11:36:53]

Done.  Also added BASE_EMBEDDED for RegExpParser while I was at it.

  public:
   Parser(CompilationInfo* info,
          int parsing_flags,  // Combination of ParsingFlags
          v8::Extension* extension,
          ScriptDataImpl* pre_data);
-  virtual ~Parser() {
+  ~Parser() {
     delete reusable_preparser_;
     reusable_preparser_ = NULL;
   }
 
   // Returns NULL if parsing failed.
   FunctionLiteral* ParseProgram();
   FunctionLiteral* ParseLazy();
 
   void ReportMessageAt(Scanner::Location loc,
                        const char* message,
@@ skipping 437 matching lines @@
  private:
   static const int kTypeSlot = 0;
   static const int kElementsSlot = 1;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_