// 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/execution/arguments-inl.h" #include "src/execution/isolate-inl.h" #include "src/heap/factory.h" #include "src/heap/heap-inl.h" // For ToBoolean. TODO(jkummerow): Drop. #include "src/logging/counters.h" #include "src/objects/elements.h" #include "src/objects/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); // TODO(mythria): Remove the on_non_existent parameter to this function. This // should only be called when getting named properties on receiver. This // doesn't handle the global variable loads. #ifdef DEBUG CONVERT_ARG_HANDLE_CHECKED(Smi, on_non_existent, 3); DCHECK_NE(static_cast<OnNonExistent>(on_non_existent->value()), OnNonExistent::kThrowReferenceError); #endif bool success = false; LookupIterator::Key lookup_key(isolate, key, &success); if (!success) { DCHECK(isolate->has_pending_exception()); return ReadOnlyRoots(isolate).exception(); } LookupIterator it(isolate, receiver, lookup_key, holder); RETURN_RESULT_OR_FAILURE(isolate, Object::GetProperty(&it)); } 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::Key lookup_key(isolate, key, &success); if (!success) { DCHECK(isolate->has_pending_exception()); return ReadOnlyRoots(isolate).exception(); } LookupIterator it(isolate, receiver, lookup_key, holder); 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_CheckProxyHasTrapResult) { 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()); } RUNTIME_FUNCTION(Runtime_CheckProxyDeleteTrapResult) { 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::CheckDeleteTrap(isolate, name, target); if (!result.IsJust()) return ReadOnlyRoots(isolate).exception(); return isolate->heap()->ToBoolean(result.FromJust()); } } // namespace internal } // namespace v8