Add VM class for Map/LinkedHashMap.

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/globals.h"
 #include "vm/token.h"
@@ skipping 54 matching lines @@
     V(Float64x2)                                                               \
     V(TypedData)                                                               \
     V(ExternalTypedData)                                                       \
     V(Capability)                                                              \
     V(ReceivePort)                                                             \
     V(SendPort)                                                                \
     V(Stacktrace)                                                              \
     V(JSRegExp)                                                                \
     V(WeakProperty)                                                            \
     V(MirrorReference)                                                         \
+    V(LinkedHashMap)                                                         \
     V(UserTag)                                                                 \
 
 #define CLASS_LIST_ARRAYS(V)                                                   \
   V(Array)                                                                     \
     V(ImmutableArray)                                                          \
 
 #define CLASS_LIST_STRINGS(V)                                                  \
   V(String)                                                                    \
     V(OneByteString)                                                           \
     V(TwoByteString)                                                           \
@@ skipping 1360 matching lines @@
   // Variable length data follows here.
   RawObject** data() { OPEN_ARRAY_START(RawObject*, RawObject*); }
   RawObject** to(intptr_t length) {
     return reinterpret_cast<RawObject**>(&ptr()->data()[length - 1]);
   }
 
   friend class RawCode;
   friend class RawImmutableArray;
   friend class SnapshotReader;
   friend class GrowableObjectArray;
+  friend class LinkedHashMap;
   friend class Object;
   friend class ICData;  // For high performance access.
   friend class SubtypeTestCache;  // For high performance access.
 };
 
 
 class RawImmutableArray : public RawArray {
   RAW_HEAP_OBJECT_IMPLEMENTATION(ImmutableArray);
 
   friend class SnapshotReader;
@@ skipping 10 matching lines @@
   RawSmi* length_;
   RawArray* data_;
   RawObject** to() {
     return reinterpret_cast<RawObject**>(&ptr()->data_);
   }
 
   friend class SnapshotReader;
 };
 
 
+class RawLinkedHashMap : public RawInstance {
+  RAW_HEAP_OBJECT_IMPLEMENTATION(LinkedHashMap);
+
+  RawObject** from() {
+    return reinterpret_cast<RawObject**>(&ptr()->type_arguments_);
+  }
+  RawTypeArguments* type_arguments_;
+  RawInstance* cme_mark_;
+  RawArray* data_;
+  RawObject** to() {
+    return reinterpret_cast<RawObject**>(&ptr()->data_);
+  }
+
+  friend class SnapshotReader;
+};
+
+
 class RawFloat32x4 : public RawInstance {
   RAW_HEAP_OBJECT_IMPLEMENTATION(Float32x4);
 
   float value_[4];
 
   friend class SnapshotReader;
  public:
   float x() const { return value_[0]; }
   float y() const { return value_[1]; }
   float z() const { return value_[2]; }
@@ skipping 401 matching lines @@
   COMPILE_ASSERT(kTypedDataInt8ArrayViewCid == kTypedDataInt8ArrayCid + 14);
   COMPILE_ASSERT(kExternalTypedDataInt8ArrayCid ==
                  kTypedDataInt8ArrayViewCid + 15);
   COMPILE_ASSERT(kNullCid == kExternalTypedDataInt8ArrayCid + 14);
   return (kNullCid - kTypedDataInt8ArrayCid);
 }
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_