Port irregexp bytecode compiler and interpreter from V8 r24065.

runtime/vm/raw_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_RAW_OBJECT_H_
 #define VM_RAW_OBJECT_H_
 
 #include "platform/assert.h"
 #include "vm/atomic.h"
 #include "vm/globals.h"
@@ skipping 1886 matching lines @@
 
   RawObject** from() {
     return reinterpret_cast<RawObject**>(&ptr()->num_bracket_expressions_);
   }
   RawSmi* num_bracket_expressions_;
   RawString* pattern_;  // Pattern to be used for matching.
   RawFunction* one_byte_function_;
   RawFunction* two_byte_function_;
   RawFunction* external_one_byte_function_;
   RawFunction* external_two_byte_function_;
+  RawTypedData* one_byte_bytecode_;
+  RawTypedData* two_byte_bytecode_;
   RawObject** to() {
-    return reinterpret_cast<RawObject**>(&ptr()->external_two_byte_function_);
+    return reinterpret_cast<RawObject**>(&ptr()->two_byte_bytecode_);
   }
 
+  intptr_t num_registers_;
+
   // A bitfield with two fields:
   // type: Uninitialized, simple or complex.
   // flags: Represents global/local, case insensitive, multiline.
   int8_t type_flags_;
 };
 
 
 class RawWeakProperty : public RawInstance {
   RAW_HEAP_OBJECT_IMPLEMENTATION(WeakProperty);
 
@@ skipping 262 matching lines @@
   COMPILE_ASSERT(kExternalTypedDataInt8ArrayCid ==
                  kTypedDataInt8ArrayViewCid + 15);
   COMPILE_ASSERT(kByteBufferCid == kExternalTypedDataInt8ArrayCid + 14);
   COMPILE_ASSERT(kNullCid == kByteBufferCid + 1);
   return (kNullCid - kTypedDataInt8ArrayCid);
 }
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_