Move Kernel strings into the VM's heap.

runtime/vm/object.cc

 // 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.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/become.h"
@@ skipping 8952 matching lines @@
   }
   return token_stream.GenerateSource();
 }
 
 
 void Script::set_compile_time_constants(const Array& value) const {
   StorePointer(&raw_ptr()->compile_time_constants_, value.raw());
 }
 
 
+void Script::set_kernel_strings(const TypedData& strings) const {
+  StorePointer(&raw_ptr()->kernel_strings_, strings.raw());
+}
+
+
 RawGrowableObjectArray* Script::GenerateLineNumberArray() const {
   Zone* zone = Thread::Current()->zone();
   const GrowableObjectArray& info =
       GrowableObjectArray::Handle(zone, GrowableObjectArray::New());
   const String& source = String::Handle(zone, Source());
   const String& key = Symbols::Empty();
   const Object& line_separator = Object::Handle(zone);
   Smi& value = Smi::Handle(zone);
 
   if (kind() == RawScript::kKernelTag) {
@@ skipping 1057 matching lines @@
   }
   const String& metaname = String::Handle(MakeMetadataName(obj));
   Field& field = Field::Handle(GetMetadataField(metaname));
   if (field.IsNull()) {
     // There is no metadata for this object.
     return Object::empty_array().raw();
   }
   Object& metadata = Object::Handle();
   metadata = field.StaticValue();
   if (field.StaticValue() == Object::empty_array().raw()) {
-    kernel::TreeNode* kernel_node =
-        reinterpret_cast<kernel::TreeNode*>(field.kernel_field());
-
-    if (kernel_node != NULL) {
-      metadata = kernel::EvaluateMetadata(kernel_node);
+    if (field.kernel_field() != NULL) {
+      metadata = kernel::EvaluateMetadata(field);
     } else {
       metadata = Parser::ParseMetadata(field);
     }
     if (metadata.IsArray()) {
       ASSERT(Array::Cast(metadata).raw() != Object::empty_array().raw());
       field.SetStaticValue(Array::Cast(metadata), true);
     }
   }
   return metadata.raw();
 #endif  // defined(DART_PRECOMPILED_RUNTIME)
@@ skipping 13118 matching lines @@
   return UserTag::null();
 }
 
 
 const char* UserTag::ToCString() const {
   const String& tag_label = String::Handle(label());
   return tag_label.ToCString();
 }
 
 }  // namespace dart