Tree shaker:

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 3746 matching lines @@
                       const Array& param_values) const;
 
   // Library scope name dictionary.
   //
   // TODO(turnidge): The Lookup functions are not consistent in how
   // they deal with private names.  Go through and make them a bit
   // more regular.
   void AddClass(const Class& cls) const;
   void AddObject(const Object& obj, const String& name) const;
   void ReplaceObject(const Object& obj, const String& name) const;
-  bool RemoveObject(const Object& obj, const String& name) const;
   RawObject* LookupReExport(const String& name,
                             ZoneGrowableArray<intptr_t>* visited = NULL) const;
   RawObject* LookupObjectAllowPrivate(const String& name) const;
   RawObject* LookupLocalObjectAllowPrivate(const String& name) const;
   RawObject* LookupLocalObject(const String& name) const;
   RawObject* LookupImportedObject(const String& name) const;
   RawClass* LookupClass(const String& name) const;
   RawClass* LookupClassAllowPrivate(const String& name) const;
   RawClass* LookupLocalClass(const String& name) const;
   RawField* LookupFieldAllowPrivate(const String& name) const;
@@ skipping 42 matching lines @@
 
   // Library imports.
   RawArray* imports() const { return raw_ptr()->imports_; }
   RawArray* exports() const { return raw_ptr()->exports_; }
   void AddImport(const Namespace& ns) const;
   intptr_t num_imports() const { return raw_ptr()->num_imports_; }
   RawNamespace* ImportAt(intptr_t index) const;
   RawLibrary* ImportLibraryAt(intptr_t index) const;
   bool ImportsCorelib() const;
 
-  void DropDependencies() const;
+  void DropDependenciesAndCaches() const;
 
   // Resolving native methods for script loaded in the library.
   Dart_NativeEntryResolver native_entry_resolver() const {
     return raw_ptr()->native_entry_resolver_;
   }
   void set_native_entry_resolver(Dart_NativeEntryResolver value) const {
     StoreNonPointer(&raw_ptr()->native_entry_resolver_, value);
   }
   Dart_NativeEntrySymbol native_entry_symbol_resolver() const {
     return raw_ptr()->native_entry_symbol_resolver_;
@@ skipping 114 matching lines @@
 
   RawArray* exported_names() const { return raw_ptr()->exported_names_; }
   bool LookupExportedNamesCache(const String& name, Object* obj) const;
   void AddToExportedNamesCache(const String& name, const Object& obj) const;
   void InitExportedNamesCache() const;
   void ClearExportedNamesCache() const;
   static void InvalidateExportedNamesCaches();
 
 
   void InitImportList() const;
-  void GrowDictionary(const Array& dict, intptr_t dict_size) const;
+  void RehashDictionary(const Array& old_dict, intptr_t new_dict_size) const;
   static RawLibrary* NewLibraryHelper(const String& url, bool import_core_lib);
   RawObject* LookupEntry(const String& name, intptr_t* index) const;
 
   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,
                    kernel::TreeNode* kernel_node = NULL) const;
 
   FINAL_HEAP_OBJECT_IMPLEMENTATION(Library, Object);
 
   friend class Bootstrap;
   friend class Class;
   friend class Debugger;
+  friend class DictionaryIterator;
   friend class Isolate;
-  friend class DictionaryIterator;
+  friend class LibraryDeserializationCluster;
   friend class Namespace;
   friend class Object;
-  friend class LibraryDeserializationCluster;
+  friend class Precompiler;
 };
 
 
 // A Namespace contains the names in a library dictionary, filtered by
 // the show/hide combinators.
 class Namespace : public Object {
  public:
   RawLibrary* library() const { return raw_ptr()->library_; }
   RawArray* show_names() const { return raw_ptr()->show_names_; }
   RawArray* hide_names() const { return raw_ptr()->hide_names_; }
@@ skipping 4986 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_