- Use a map to lookup libraries by URL.

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 VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 3615 matching lines @@
 
   RawError* Patch(const Script& script) const;
 
   RawString* PrivateName(const String& name) const;
 
   intptr_t index() const { return raw_ptr()->index_; }
   void set_index(intptr_t value) const {
     StoreNonPointer(&raw_ptr()->index_, value);
   }
 
-  void Register() const;
+  void Register(Thread* thread) const;
+  static void RegisterLibraries(Thread* thread,
+                                const GrowableObjectArray& libs);
 
   bool IsDebuggable() const {
     return raw_ptr()->debuggable_;
   }
   void set_debuggable(bool value) const {
     StoreNonPointer(&raw_ptr()->debuggable_, value);
   }
 
   bool is_dart_scheme() const {
     return raw_ptr()->is_dart_scheme_;
   }
   void set_is_dart_scheme(bool value) const {
     StoreNonPointer(&raw_ptr()->is_dart_scheme_, value);
   }
 
   bool IsCoreLibrary() const {
     return raw() == CoreLibrary();
   }
 
   inline intptr_t UrlHash() const;
 
-  static RawLibrary* LookupLibrary(const String& url);
+  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 RawLibrary* AsyncLibrary();
   static RawLibrary* ConvertLibrary();
   static RawLibrary* CoreLibrary();
   static RawLibrary* CollectionLibrary();
   static RawLibrary* DeveloperLibrary();
@@ skipping 63 matching lines @@
   bool LookupExportedNamesCache(const String& name, Object* obj) const;
   void AddToExportedNamesCache(const String& name, const Object& obj) const;
 
 
   void InitImportList() const;
   void GrowDictionary(const Array& dict, intptr_t dict_size) const;
   static RawLibrary* NewLibraryHelper(const String& url,
                                       bool import_core_lib);
   RawObject* LookupEntry(const String& name, intptr_t *index) const;
 
-  static bool IsKeyUsed(intptr_t key);
   void AllocatePrivateKey() const;
 
   RawString* MakeMetadataName(const Object& obj) const;
   RawField* GetMetadataField(const String& metaname) const;
   void AddMetadata(const Object& owner,
                    const String& name,
                    TokenPosition token_pos) const;
 
   FINAL_HEAP_OBJECT_IMPLEMENTATION(Library, Object);
 
@@ skipping 4770 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_