[regexp] Port test, match, and search

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 7013 matching lines @@
   return FixedArray::cast(data())->get(index);
 }
 
 
 void JSRegExp::SetDataAt(int index, Object* value) {
   DCHECK(TypeTag() != NOT_COMPILED);
   DCHECK(index >= kDataIndex);  // Only implementation data can be set this way.
   FixedArray::cast(data())->set(index, value);
 }
 
+void JSRegExp::SetLastIndex(int index) {
+  static const int offset =
+      kSize + JSRegExp::kLastIndexFieldIndex * kPointerSize;
+  Smi* value = Smi::FromInt(index);
+  WRITE_FIELD(this, offset, value);
+}
+
+Object* JSRegExp::LastIndex() {
+  static const int offset =
+      kSize + JSRegExp::kLastIndexFieldIndex * kPointerSize;
+  return READ_FIELD(this, offset);
+}
 
 ElementsKind JSObject::GetElementsKind() {
   ElementsKind kind = map()->elements_kind();
 #if VERIFY_HEAP && DEBUG
   FixedArrayBase* fixed_array =
       reinterpret_cast<FixedArrayBase*>(READ_FIELD(this, kElementsOffset));
 
   // If a GC was caused while constructing this object, the elements
   // pointer may point to a one pointer filler map.
   if (ElementsAreSafeToExamine()) {
@@ skipping 1271 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_