isolates refactor: this change introduces 'dart:isolate' as a library. This is a

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 "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
@@ skipping 645 matching lines @@
   Error& error = Error::Handle();
   error = Bootstrap::Compile(core_lib, script);
   if (!error.IsNull()) {
     return error.raw();
   }
   error = Bootstrap::Compile(core_impl_lib, impl_script);
   if (!error.IsNull()) {
     return error.raw();
   }
 
+  const Script& isolate_script = Script::Handle(Bootstrap::LoadIsolateScript());
+  Library::InitIsolateLibrary(isolate);
+  Library& isolate_lib = Library::Handle(Library::IsolateLibrary());
+  ASSERT(!isolate_lib.IsNull());
+  error = Bootstrap::Compile(isolate_lib, isolate_script);
+  if (!error.IsNull()) {
+    return error.raw();
+  }
+
   Bootstrap::SetupNativeResolver();
 
   // Remove the Object superclass cycle by setting the super type to null (not
   // to the type of null).
   cls = object_store->object_class();
   cls.set_super_type(Type::Handle());
 
   ClassFinalizer::VerifyBootstrapClasses();
   return Error::null();
 }
@@ skipping 3944 matching lines @@
   const Library& core_impl_lib =
       Library::Handle(Library::NewLibraryHelper(core_impl_lib_url, false));
   isolate->object_store()->set_core_impl_library(core_impl_lib);
   core_impl_lib.Register();
   core_lib.AddImport(core_impl_lib);
   core_impl_lib.AddImport(core_lib);
   isolate->object_store()->set_root_library(Library::Handle());
 }
 
 
+void Library::InitIsolateLibrary(Isolate* isolate) {
+  const String& url = String::Handle(String::NewSymbol("dart:isolate"));
+  const Library& lib = Library::Handle(Library::New(url));
+  lib.Register();
+  isolate->object_store()->set_isolate_library(lib);
+}
+
+
 void Library::InitNativeWrappersLibrary(Isolate* isolate) {
   static const int kNumNativeWrappersClasses = 4;
   ASSERT(kNumNativeWrappersClasses > 0 && kNumNativeWrappersClasses < 10);
   const String& native_flds_lib_url = String::Handle(
       String::NewSymbol("dart:nativewrappers"));
   Library& native_flds_lib = Library::Handle(
       Library::NewLibraryHelper(native_flds_lib_url, false));
   native_flds_lib.Register();
   isolate->object_store()->set_native_wrappers_library(native_flds_lib);
   static const char* const kNativeWrappersClass = "NativeFieldWrapperClass";
@@ skipping 87 matching lines @@
 RawLibrary* Library::CoreLibrary() {
   return Isolate::Current()->object_store()->core_library();
 }
 
 
 RawLibrary* Library::CoreImplLibrary() {
   return Isolate::Current()->object_store()->core_impl_library();
 }
 
 
+RawLibrary* Library::IsolateLibrary() {
+  return Isolate::Current()->object_store()->isolate_library();
+}
+
+
 RawLibrary* Library::NativeWrappersLibrary() {
   return Isolate::Current()->object_store()->native_wrappers_library();
 }
 
 
 const char* Library::ToCString() const {
   const char* kFormat = "Library:'%s'";
   const String& name = String::Handle(url());
   intptr_t len = OS::SNPrint(NULL, 0, kFormat, name.ToCString()) + 1;
   char* chars = reinterpret_cast<char*>(
@@ skipping 3556 matching lines @@
   result.set_num_args_tested(num_args_tested);
   // Number of array elements in one test entry (num_args_tested + 1)
   intptr_t len = num_args_tested + 1;
   // IC data array must be null terminated (sentinel entry).
   Array& ic_data = Array::Handle(Array::New(len, Heap::kOld));
   result.set_ic_data(ic_data);
   return result.raw();
 }
 
 }  // namespace dart