| // 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. |
| |
| #include "vm/bootstrap_natives.h" |
| |
| #include "vm/compiler/jit/compiler.h" |
| #include "vm/dart_entry.h" |
| #include "vm/exceptions.h" |
| #include "vm/native_entry.h" |
| #include "vm/object.h" |
| #include "vm/symbols.h" |
| |
| namespace dart { |
| |
| DEFINE_NATIVE_ENTRY(Function_apply, 0, 2) { |
| const int kTypeArgsLen = 0; // TODO(regis): Add support for generic function. |
| const Array& fun_arguments = |
| Array::CheckedHandle(zone, arguments->NativeArgAt(0)); |
| const Array& fun_arg_names = |
| Array::CheckedHandle(zone, arguments->NativeArgAt(1)); |
| const Array& fun_args_desc = Array::Handle( |
| zone, ArgumentsDescriptor::NewBoxed(kTypeArgsLen, fun_arguments.Length(), |
| fun_arg_names)); |
| const Object& result = Object::Handle( |
| zone, DartEntry::InvokeClosure(thread, fun_arguments, fun_args_desc)); |
| if (result.IsError()) { |
| Exceptions::PropagateError(Error::Cast(result)); |
| } |
| return result.raw(); |
| } |
| |
| DEFINE_NATIVE_ENTRY(Closure_equals, 0, 2) { |
| const Closure& receiver = |
| Closure::CheckedHandle(zone, arguments->NativeArgAt(0)); |
| GET_NATIVE_ARGUMENT(Instance, other, arguments->NativeArgAt(1)); |
| ASSERT(!other.IsNull()); |
| // For implicit instance closures compare receiver instance and function's |
| // name and owner (multiple function objects could exist for the same |
| // function due to hot reload). |
| // Objects of other closure kinds are unique, so use identity comparison. |
| if (receiver.raw() == other.raw()) { |
| return Bool::True().raw(); |
| } |
| if (other.IsClosure()) { |
| const Function& func_a = Function::Handle(zone, receiver.function()); |
| if (func_a.IsImplicitInstanceClosureFunction()) { |
| const Closure& other_closure = Closure::Cast(other); |
| const Function& func_b = Function::Handle(zone, other_closure.function()); |
| if (func_b.IsImplicitInstanceClosureFunction()) { |
| const Context& context_a = Context::Handle(zone, receiver.context()); |
| const Context& context_b = |
| Context::Handle(zone, other_closure.context()); |
| ObjectPtr receiver_a = context_a.At(0); |
| ObjectPtr receiver_b = context_b.At(0); |
| if ((receiver_a == receiver_b) && |
| ((func_a.raw() == func_b.raw()) || |
| ((func_a.name() == func_b.name()) && |
| (func_a.Owner() == func_b.Owner())))) { |
| return Bool::True().raw(); |
| } |
| } |
| } |
| } |
| return Bool::False().raw(); |
| } |
| |
| DEFINE_NATIVE_ENTRY(Closure_computeHash, 0, 1) { |
| const Closure& receiver = |
| Closure::CheckedHandle(zone, arguments->NativeArgAt(0)); |
| return Smi::New(receiver.ComputeHash()); |
| } |
| |
| } // namespace dart |