77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_RUNTIME_ART_METHOD_ALLOC_INL_H_
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#define ART_RUNTIME_ART_METHOD_ALLOC_INL_H_
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#include "art_method-inl.h"
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#include "handle.h"
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#include "handle_scope.h"
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#include "mirror/class-alloc-inl.h"
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namespace art {
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namespace detail {
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template <char Shorty>
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struct HandleShortyTraits {
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using Type = typename ShortyTraits<Shorty>::Type;
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static Type Extract(Type value) ALWAYS_INLINE { return value; }
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};
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template <> struct HandleShortyTraits<'L'> {
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using Type = Handle<mirror::Object>;
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static typename ShortyTraits<'L'>::Type Extract(Type value)
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REQUIRES_SHARED(Locks::mutator_lock_) ALWAYS_INLINE {
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return value.Get();
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}
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};
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} // namespace detail
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template <char... ArgType, typename HandleScopeType>
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inline Handle<mirror::Object> ArtMethod::NewObject(
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HandleScopeType& hs,
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Thread* self,
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typename detail::HandleShortyTraits<ArgType>::Type... args) {
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DCHECK(!GetDeclaringClass()->IsInterface());
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DCHECK(GetDeclaringClass()->IsInitialized());
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DCHECK(IsConstructor());
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DCHECK(!IsStatic());
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MutableHandle<mirror::Object> new_object = hs.NewHandle(GetDeclaringClass()->AllocObject(self));
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DCHECK_EQ(new_object == nullptr, self->IsExceptionPending());
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if (LIKELY(new_object != nullptr)) {
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InvokeInstance<'V', ArgType...>(
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self, new_object.Get(), detail::HandleShortyTraits<ArgType>::Extract(args)...);
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if (UNLIKELY(self->IsExceptionPending())) {
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new_object.Assign(nullptr);
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}
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}
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return new_object;
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}
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template <char... ArgType>
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inline ObjPtr<mirror::Object> ArtMethod::NewObject(
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Thread* self, typename detail::HandleShortyTraits<ArgType>::Type... args) {
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StackHandleScope<1u> hs(self);
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return NewObject<ArgType...>(hs, self, args...).Get();
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}
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} // namespace art
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#endif // ART_RUNTIME_ART_METHOD_ALLOC_INL_H_
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