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// 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/elements.h"
#include "src/heap/factory.h"
#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(5, 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);
CONVERT_LANGUAGE_MODE_ARG_CHECKED(language_mode, 4);
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, language_mode,
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
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