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1 /**
2  * Copyright (c) 2021-2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef PANDA_PLUGINS_ETS_RUNTIME_STUBS_INL_H
17 #define PANDA_PLUGINS_ETS_RUNTIME_STUBS_INL_H
18 
19 #include "plugins/ets/runtime/ets_coroutine.h"
20 #include "plugins/ets/runtime/types/ets_object.h"
21 #include "plugins/ets/runtime/ets_stubs.h"
22 
23 namespace ark::ets {
24 
EtsReferenceNullish(EtsCoroutine * coro,EtsObject * ref)25 ALWAYS_INLINE inline bool EtsReferenceNullish(EtsCoroutine *coro, EtsObject *ref)
26 {
27     return ref == nullptr || ref == EtsObject::FromCoreType(coro->GetUndefinedObject());
28 }
29 
IsRefNullish(EtsCoroutine * coro,EtsObject * ref)30 ALWAYS_INLINE inline bool IsRefNullish(EtsCoroutine *coro, EtsObject *ref)
31 {
32     return ref == nullptr || ref == EtsObject::FromCoreType(coro->GetUndefinedObject());
33 }
34 
EtsReferenceEquals(EtsCoroutine * coro,EtsObject * ref1,EtsObject * ref2)35 ALWAYS_INLINE inline bool EtsReferenceEquals(EtsCoroutine *coro, EtsObject *ref1, EtsObject *ref2)
36 {
37     if (UNLIKELY(ref1 == ref2)) {
38         return true;
39     }
40 
41     if (IsRefNullish(coro, ref1) || IsRefNullish(coro, ref2)) {
42         return IsRefNullish(coro, ref1) && IsRefNullish(coro, ref2);
43     }
44 
45     if (LIKELY(!(ref1->GetClass()->IsValueTyped() && ref2->GetClass()->IsValueTyped()))) {
46         return false;
47     }
48     return EtsValueTypedEquals(coro, ref1, ref2);
49 }
50 
51 // CC-OFFNXT(C_RULE_ID_INLINE_FUNCTION_SIZE) Perf critical common runtime code stub
GetMethodOwnerClassInFrames(EtsCoroutine * coro,uint32_t depth)52 inline EtsClass *GetMethodOwnerClassInFrames(EtsCoroutine *coro, uint32_t depth)
53 {
54     auto stack = StackWalker::Create(coro);
55     for (uint32_t i = 0; i < depth && stack.HasFrame(); ++i) {
56         stack.NextFrame();
57     }
58     if (UNLIKELY(!stack.HasFrame())) {
59         return nullptr;
60     }
61     auto method = stack.GetMethod();
62     if (UNLIKELY(method == nullptr)) {
63         return nullptr;
64     }
65     return EtsClass::FromRuntimeClass(method->GetClass());
66 }
67 
68 }  // namespace ark::ets
69 
70 #endif  // PANDA_PLUGINS_ETS_RUNTIME_STUBS_INL_H
71