Regis Crelier
bde3097860
This fixes https://github.com/dart-lang/sdk/issues/45890 TEST=regression tests added Change-Id: Id8d96e866e6da8ad848416a64967ed4fa0b29ce0 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/198101 Commit-Queue: Régis Crelier <regis@google.com> Reviewed-by: Alexander Markov <alexmarkov@google.com>
78 lines
2.9 KiB
C++
78 lines
2.9 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/jit/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, 0, 2) {
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const int kTypeArgsLen = 0; // TODO(regis): Add support for generic function.
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const Array& fun_arguments =
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Array::CheckedHandle(zone, arguments->NativeArgAt(0));
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const Array& fun_arg_names =
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Array::CheckedHandle(zone, arguments->NativeArgAt(1));
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const Array& fun_args_desc = Array::Handle(
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zone, ArgumentsDescriptor::NewBoxed(kTypeArgsLen, fun_arguments.Length(),
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fun_arg_names));
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const Object& result = Object::Handle(
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zone, DartEntry::InvokeClosure(thread, 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.ptr();
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}
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DEFINE_NATIVE_ENTRY(Closure_equals, 0, 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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// For implicit instance closures compare receiver instance and function's
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// name and owner (multiple function objects could exist for the same
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// function due to hot reload).
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// Objects of other closure kinds are unique, so use identity comparison.
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if (receiver.ptr() == other.ptr()) {
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return Bool::True().ptr();
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}
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if (other.IsClosure()) {
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const Function& func_a = Function::Handle(zone, receiver.function());
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if (func_a.IsImplicitInstanceClosureFunction()) {
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const Closure& other_closure = Closure::Cast(other);
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const Function& func_b = Function::Handle(zone, other_closure.function());
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if (func_b.IsImplicitInstanceClosureFunction()) {
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const Context& context_a = Context::Handle(zone, receiver.context());
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const Context& context_b =
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Context::Handle(zone, other_closure.context());
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ObjectPtr receiver_a = context_a.At(0);
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ObjectPtr receiver_b = context_b.At(0);
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if ((receiver_a == receiver_b) &&
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(!func_a.IsGeneric() ||
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receiver.delayed_type_arguments() ==
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other_closure.delayed_type_arguments()) &&
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((func_a.ptr() == func_b.ptr()) ||
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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().ptr();
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}
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}
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}
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}
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return Bool::False().ptr();
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}
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DEFINE_NATIVE_ENTRY(Closure_computeHash, 0, 1) {
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const Closure& receiver =
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Closure::CheckedHandle(zone, arguments->NativeArgAt(0));
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return Smi::New(receiver.ComputeHash());
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}
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} // namespace dart
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