llvm-project/flang/runtime/derived-type.cc

84 lines
2.6 KiB
C++

// Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "derived-type.h"
#include "descriptor.h"
#include <cstring>
namespace Fortran::runtime {
TypeParameterValue TypeParameter::GetValue(const Descriptor &descriptor) const {
if (which_ < 0) {
return value_;
} else {
return descriptor.Addendum()->LenParameterValue(which_);
}
}
bool DerivedType::IsNontrivialAnalysis() const {
if (kindParameters_ > 0 || lenParameters_ > 0 || typeBoundProcedures_ > 0) {
return true;
}
for (std::size_t j{0}; j < components_; ++j) {
if (component_[j].IsDescriptor()) {
return true;
}
if (const Descriptor * staticDescriptor{component_[j].staticDescriptor()}) {
if (const DescriptorAddendum * addendum{staticDescriptor->Addendum()}) {
if (const DerivedType * dt{addendum->derivedType()}) {
if (dt->IsNontrivial()) {
return true;
}
}
}
}
}
return false;
}
void DerivedType::Initialize(char *instance) const {
if (typeBoundProcedures_ > InitializerTBP) {
if (auto f{reinterpret_cast<void (*)(char *)>(
typeBoundProcedure_[InitializerTBP].code.host)}) {
f(instance);
}
}
#if 0 // TODO
for (std::size_t j{0}; j < components_; ++j) {
if (const Descriptor * descriptor{component_[j].GetDescriptor(instance)}) {
// invoke initialization TBP
}
}
#endif
}
void DerivedType::Destroy(char *instance, bool finalize) const {
if (finalize && typeBoundProcedures_ > FinalTBP) {
if (auto f{reinterpret_cast<void (*)(char *)>(
typeBoundProcedure_[FinalTBP].code.host)}) {
f(instance);
}
}
const char *constInstance{instance};
for (std::size_t j{0}; j < components_; ++j) {
if (Descriptor * descriptor{component_[j].GetDescriptor(instance)}) {
descriptor->Deallocate(finalize);
} else if (const Descriptor *
descriptor{component_[j].GetDescriptor(constInstance)}) {
descriptor->Destroy(component_[j].Locate<char>(instance), finalize);
}
}
}
}