blob: 1ea506cc0982b52593365be1b5b600ada2d1daee [file] [log] [blame]
// 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