VM: Support bootstrapping core libraries from Kernel binaries instead of source.

runtime/vm/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 RUNTIME_VM_OBJECT_H_
 #define RUNTIME_VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 507 matching lines @@
   static RawClass* megamorphic_cache_class() {
     return megamorphic_cache_class_;
   }
   static RawClass* subtypetestcache_class() { return subtypetestcache_class_; }
 
   // Initialize the VM isolate.
   static void InitNull(Isolate* isolate);
   static void InitOnce(Isolate* isolate);
   static void FinalizeVMIsolate(Isolate* isolate);
 
-  // Initialize a new isolate either from source or from a snapshot.
-  static RawError* Init(Isolate* isolate);
+  // Initialize a new isolate either from a Kernel IR, from source, or from a
+  // snapshot.
+  static RawError* Init(Isolate* isolate,
+                        const uint8_t* kernel,
+                        intptr_t kernel_length);
 
   static void MakeUnusedSpaceTraversable(const Object& obj,
                                          intptr_t original_size,
                                          intptr_t used_size);
 
   static intptr_t InstanceSize() {
     return RoundedAllocationSize(sizeof(RawObject));
   }
 
   static void VerifyBuiltinVtables();
@@ skipping 956 matching lines @@
   friend class Type;
   friend class Intrinsifier;
   friend class Precompiler;
 };
 
 
 // Unresolved class is used for storing unresolved names which will be resolved
 // to a class after all classes have been loaded and finalized.
 class UnresolvedClass : public Object {
  public:
-  RawLibraryPrefix* library_prefix() const {
-    return raw_ptr()->library_prefix_;
+  RawObject* library_or_library_prefix() const {
+    return raw_ptr()->library_or_library_prefix_;
   }
   RawString* ident() const { return raw_ptr()->ident_; }
   TokenPosition token_pos() const { return raw_ptr()->token_pos_; }
 
   RawString* Name() const;
 
   static intptr_t InstanceSize() {
     return RoundedAllocationSize(sizeof(RawUnresolvedClass));
   }
 
-  static RawUnresolvedClass* New(const LibraryPrefix& library_prefix,
+  static RawUnresolvedClass* New(const Object& library_prefix,
                                  const String& ident,
                                  TokenPosition token_pos);
 
  private:
-  void set_library_prefix(const LibraryPrefix& library_prefix) const;
+  void set_library_or_library_prefix(const Object& library_prefix) const;
   void set_ident(const String& ident) const;
   void set_token_pos(TokenPosition token_pos) const;
 
   static RawUnresolvedClass* New();
 
   FINAL_HEAP_OBJECT_IMPLEMENTATION(UnresolvedClass, Object);
   friend class Class;
 };
 
 
@@ skipping 2225 matching lines @@
   }
 
   bool IsCoreLibrary() const { return raw() == CoreLibrary(); }
 
   inline intptr_t UrlHash() const;
 
   static RawLibrary* LookupLibrary(Thread* thread, const String& url);
   static RawLibrary* GetLibrary(intptr_t index);
 
   static void InitCoreLibrary(Isolate* isolate);
-  static void InitNativeWrappersLibrary(Isolate* isolate);
+  static void InitNativeWrappersLibrary(Isolate* isolate, bool is_kernel_file);
 
   static RawLibrary* AsyncLibrary();
   static RawLibrary* ConvertLibrary();
   static RawLibrary* CoreLibrary();
   static RawLibrary* CollectionLibrary();
   static RawLibrary* DeveloperLibrary();
   static RawLibrary* InternalLibrary();
   static RawLibrary* IsolateLibrary();
   static RawLibrary* MathLibrary();
 #if !defined(PRODUCT)
@@ skipping 5009 matching lines @@
 
 inline void TypeArguments::SetHash(intptr_t value) const {
   // This is only safe because we create a new Smi, which does not cause
   // heap allocation.
   StoreSmi(&raw_ptr()->hash_, Smi::New(value));
 }
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_OBJECT_H_