AbstractBasicReader.h

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//==--- AbstractBasiceReader.h - Abstract basic value deserialization -----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_CLANG_AST_ABSTRACTBASICREADER_H
#define LLVM_CLANG_AST_ABSTRACTBASICREADER_H
 
#include "clang/AST/DeclTemplate.h"
#include <optional>
 
namespace clang {
namespace serialization {
 
template <class T>
inline T makeNullableFromOptional(const std::optional<T> &value) {
  return (value ? *value : T());
}
 
template <class T> inline T *makePointerFromOptional(std::optional<T *> value) {
  return value.value_or(nullptr);
}
 
// PropertyReader is a class concept that requires the following method:
//   BasicReader find(llvm::StringRef propertyName);
// where BasicReader is some class conforming to the BasicReader concept.
// An abstract AST-node reader is created with a PropertyReader and