Precompilation: drop unused types and type arguments and empty classes and libraries.

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 1072 matching lines @@
   void set_interfaces(const Array& value) const;
   static intptr_t interfaces_offset() {
     return OFFSET_OF(RawClass, interfaces_);
   }
 
   // Returns the list of classes having this class as direct superclass.
   RawGrowableObjectArray* direct_subclasses() const {
     return raw_ptr()->direct_subclasses_;
   }
   void AddDirectSubclass(const Class& subclass) const;
+  void ClearDirectSubclasses() const;
 
   // Check if this class represents the class of null.
   bool IsNullClass() const { return id() == kNullCid; }
 
   // Check if this class represents the 'dynamic' class.
   bool IsDynamicClass() const { return id() == kDynamicCid; }
 
   // Check if this class represents the 'void' class.
   bool IsVoidClass() const { return id() == kVoidCid; }
 
@@ skipping 2404 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;
+
   // 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 4897 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_