Regis Crelier
269aaf0305
This should fix the vm-kernel bots. Review-Url: https://codereview.chromium.org/2723643002 .
96 lines
3.6 KiB
C++
96 lines
3.6 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/bootstrap_natives.h"
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#include "vm/compiler.h"
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#include "vm/dart_entry.h"
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#include "vm/exceptions.h"
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#include "vm/native_entry.h"
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#include "vm/object.h"
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#include "vm/symbols.h"
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namespace dart {
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DEFINE_NATIVE_ENTRY(Function_apply, 2) {
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const Array& fun_arguments = Array::CheckedHandle(arguments->NativeArgAt(0));
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const Array& fun_arg_names = Array::CheckedHandle(arguments->NativeArgAt(1));
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const Array& fun_args_desc = Array::Handle(
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ArgumentsDescriptor::New(fun_arguments.Length(), fun_arg_names));
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const Object& result =
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Object::Handle(DartEntry::InvokeClosure(fun_arguments, fun_args_desc));
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if (result.IsError()) {
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Exceptions::PropagateError(Error::Cast(result));
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}
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return result.raw();
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}
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DEFINE_NATIVE_ENTRY(Closure_equals, 2) {
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const Closure& receiver =
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Closure::CheckedHandle(zone, arguments->NativeArgAt(0));
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GET_NATIVE_ARGUMENT(Instance, other, arguments->NativeArgAt(1));
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ASSERT(!other.IsNull());
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if (receiver.raw() == other.raw()) return Bool::True().raw();
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if (other.IsClosure()) {
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const Function& func_a = Function::Handle(receiver.function());
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const Function& func_b = Function::Handle(Closure::Cast(other).function());
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if (func_a.raw() == func_b.raw()) {
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ASSERT(!func_a.IsImplicitStaticClosureFunction());
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if (func_a.IsImplicitInstanceClosureFunction()) {
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const Context& context_a = Context::Handle(receiver.context());
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const Context& context_b =
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Context::Handle(Closure::Cast(other).context());
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const Object& receiver_a = Object::Handle(context_a.At(0));
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const Object& receiver_b = Object::Handle(context_b.At(0));
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if (receiver_a.raw() == receiver_b.raw()) return Bool::True().raw();
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}
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} else if (func_a.IsImplicitInstanceClosureFunction() &&
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func_b.IsImplicitInstanceClosureFunction()) {
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// TODO(rmacnak): Patch existing tears off during reload instead.
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const Context& context_a = Context::Handle(receiver.context());
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const Context& context_b =
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Context::Handle(Closure::Cast(other).context());
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const Object& receiver_a = Object::Handle(context_a.At(0));
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const Object& receiver_b = Object::Handle(context_b.At(0));
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if ((receiver_a.raw() == receiver_b.raw()) &&
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(func_a.name() == func_b.name()) &&
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(func_a.Owner() == func_b.Owner())) {
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return Bool::True().raw();
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}
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}
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}
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return Bool::False().raw();
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}
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DEFINE_NATIVE_ENTRY(Closure_hashCode, 1) {
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const Closure& receiver =
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Closure::CheckedHandle(zone, arguments->NativeArgAt(0));
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const Function& func = Function::Handle(receiver.function());
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return func.GetClosureHashCode();
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}
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DEFINE_NATIVE_ENTRY(Closure_clone, 1) {
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const Closure& receiver =
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Closure::CheckedHandle(zone, arguments->NativeArgAt(0));
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const TypeArguments& instantiator =
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TypeArguments::Handle(zone, receiver.instantiator());
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const Function& func = Function::Handle(zone, receiver.function());
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const Context& ctx = Context::Handle(zone, receiver.context());
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Context& cloned_ctx =
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Context::Handle(zone, Context::New(ctx.num_variables()));
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cloned_ctx.set_parent(Context::Handle(zone, ctx.parent()));
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Object& inst = Object::Handle(zone);
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for (int i = 0; i < ctx.num_variables(); i++) {
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inst = ctx.At(i);
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cloned_ctx.SetAt(i, inst);
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}
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return Closure::New(instantiator, func, cloned_ctx);
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}
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} // namespace dart
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