// Copyright 2014 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "src/runtime/runtime-utils.h" #include "src/arguments-inl.h" #include "src/counters.h" #include "src/elements.h" #include "src/heap/factory.h" #include "src/heap/heap-inl.h" // For ToBoolean. TODO(jkummerow): Drop. #include "src/isolate-inl.h" #include "src/objects-inl.h" namespace v8 { namespace internal { RUNTIME_FUNCTION(Runtime_IsJSProxy) { SealHandleScope shs(isolate); DCHECK_EQ(1, args.length()); CONVERT_ARG_CHECKED(Object, obj, 0); return isolate->heap()->ToBoolean(obj->IsJSProxy()); } RUNTIME_FUNCTION(Runtime_JSProxyGetHandler) { SealHandleScope shs(isolate); DCHECK_EQ(1, args.length()); CONVERT_ARG_CHECKED(JSProxy, proxy, 0); return proxy->handler(); } RUNTIME_FUNCTION(Runtime_JSProxyGetTarget) { SealHandleScope shs(isolate); DCHECK_EQ(1, args.length()); CONVERT_ARG_CHECKED(JSProxy, proxy, 0); return proxy->target(); } RUNTIME_FUNCTION(Runtime_GetPropertyWithReceiver) { HandleScope scope(isolate); DCHECK_EQ(4, args.length()); CONVERT_ARG_HANDLE_CHECKED(JSReceiver, holder, 0); CONVERT_ARG_HANDLE_CHECKED(Object, key, 1); CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 2); CONVERT_ARG_HANDLE_CHECKED(Smi, on_non_existent, 3); bool success = false; LookupIterator it = LookupIterator::PropertyOrElement(isolate, receiver, key, &success, holder); if (!success) { DCHECK(isolate->has_pending_exception()); return ReadOnlyRoots(isolate).exception(); } RETURN_RESULT_OR_FAILURE( isolate, Object::GetProperty( &it, static_cast<OnNonExistent>(on_non_existent->value()))); } RUNTIME_FUNCTION(Runtime_SetPropertyWithReceiver) { HandleScope scope(isolate); DCHECK_EQ(4, args.length()); CONVERT_ARG_HANDLE_CHECKED(JSReceiver, holder, 0); CONVERT_ARG_HANDLE_CHECKED(Object, key, 1); CONVERT_ARG_HANDLE_CHECKED(Object, value, 2); CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 3); bool success = false; LookupIterator it = LookupIterator::PropertyOrElement(isolate, receiver, key, &success, holder); if (!success) { DCHECK(isolate->has_pending_exception()); return ReadOnlyRoots(isolate).exception(); } Maybe<bool> result = Object::SetSuperProperty(&it, value, StoreOrigin::kMaybeKeyed); MAYBE_RETURN(result, ReadOnlyRoots(isolate).exception()); return *isolate->factory()->ToBoolean(result.FromJust()); } RUNTIME_FUNCTION(Runtime_CheckProxyGetSetTrapResult) { HandleScope scope(isolate); DCHECK_EQ(4, args.length()); CONVERT_ARG_HANDLE_CHECKED(Name, name, 0); CONVERT_ARG_HANDLE_CHECKED(JSReceiver, target, 1); CONVERT_ARG_HANDLE_CHECKED(Object, trap_result, 2); CONVERT_NUMBER_CHECKED(int64_t, access_kind, Int64, args[3]); RETURN_RESULT_OR_FAILURE(isolate, JSProxy::CheckGetSetTrapResult( isolate, name, target, trap_result, JSProxy::AccessKind(access_kind))); } RUNTIME_FUNCTION(Runtime_CheckProxyHasTrap) { HandleScope scope(isolate); DCHECK_EQ(2, args.length()); CONVERT_ARG_HANDLE_CHECKED(Name, name, 0); CONVERT_ARG_HANDLE_CHECKED(JSReceiver, target, 1); Maybe<bool> result = JSProxy::CheckHasTrap(isolate, name, target); if (!result.IsJust()) return ReadOnlyRoots(isolate).exception(); return isolate->heap()->ToBoolean(result.FromJust()); } } // namespace internal } // namespace v8