Support fast noSuchMethod dispatch for any number of arguments.

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 894 matching lines @@
     return OFFSET_OF(RawClass, num_native_fields_);
   }
 
   RawCode* allocation_stub() const {
     return raw_ptr()->allocation_stub_;
   }
   void set_allocation_stub(const Code& value) const;
 
   RawArray* constants() const;
 
+  RawFunction* GetNoSuchMethodDispatcher(const String& target_name,
+                                         const Array& args_desc) const;
+
   void Finalize() const;
 
   const char* ApplyPatch(const Class& patch) const;
 
   RawError* EnsureIsFinalized(Isolate* isolate) const;
 
   // Allocate a class used for VM internal objects.
   template <class FakeObject> static RawClass* New();
 
   // Allocate instance classes.
@@ skipping 69 matching lines @@
   void set_signature_function(const Function& value) const;
   void set_signature_type(const AbstractType& value) const;
   void set_class_state(RawClass::ClassState state) const;
   void set_state_bits(intptr_t bits) const;
 
   void set_constants(const Array& value) const;
 
   void set_canonical_types(const Array& value) const;
   RawArray* canonical_types() const;
 
+  RawArray* no_such_method_cache() const;
+  void set_no_such_method_cache(const Array& cache) const;
+  RawFunction* CreateNoSuchMethodDispatcher(const String& target_name,
+                                            const Array& args_desc) const;
   void CalculateFieldOffsets() const;
 
   // Assigns empty array to all raw class array fields.
   void InitEmptyFields();
 
   static RawFunction* CheckFunctionType(const Function& func, intptr_t type);
   RawFunction* LookupFunction(const String& name, intptr_t type) const;
   RawFunction* LookupFunctionAllowPrivate(const String& name,
                                           intptr_t type) const;
   RawField* LookupField(const String& name, intptr_t type) const;
@@ skipping 386 matching lines @@
 
   RawInstance* implicit_static_closure() const;
   void set_implicit_static_closure(const Instance& closure) const;
 
   RawCode* closure_allocation_stub() const;
   void set_closure_allocation_stub(const Code& value) const;
 
   void set_extracted_method_closure(const Function& function) const;
   RawFunction* extracted_method_closure() const;
 
+  void set_saved_args_desc(const Array& array) const;
+  RawArray* saved_args_desc() const;
+
   bool IsMethodExtractor() const {
     return kind() == RawFunction::kMethodExtractor;
   }
 
   bool IsNoSuchMethodDispatcher() const {
     return kind() == RawFunction::kNoSuchMethodDispatcher;
   }
 
   // Returns true iff an implicit closure function has been created
   // for this function.
@@ skipping 4529 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_