Port and integrate the irregexp engine from V8

runtime/vm/object.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 7103 matching lines @@
 
   bool is_global() const { return (raw_ptr()->flags_ & kGlobal); }
   bool is_ignore_case() const { return (raw_ptr()->flags_ & kIgnoreCase); }
   bool is_multi_line() const { return (raw_ptr()->flags_ & kMultiLine); }
 
   RawString* pattern() const { return raw_ptr()->pattern_; }
   RawSmi* num_bracket_expressions() const {
     return raw_ptr()->num_bracket_expressions_;
   }
 
+  RawFunction* one_byte_function() const {
+    return raw_ptr()->one_byte_function_;
+  }
+  RawFunction* two_byte_function() const {
+    return raw_ptr()->two_byte_function_;
+  }
+
+  void set_one_byte_function(const Function& function);
+  void set_two_byte_function(const Function& function);
+
   void set_pattern(const String& pattern) const;
   void set_num_bracket_expressions(intptr_t value) const;
   void set_is_global() const { raw_ptr()->flags_ |= kGlobal; }
   void set_is_ignore_case() const { raw_ptr()->flags_ |= kIgnoreCase; }
   void set_is_multi_line() const { raw_ptr()->flags_ |= kMultiLine; }
   void set_is_simple() const { raw_ptr()->type_ = kSimple; }
   void set_is_complex() const { raw_ptr()->type_ = kComplex; }
 
   void* GetDataStartAddress() const;
   static RawJSRegExp* FromDataStartAddress(void* data);
@@ skipping 275 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_