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// Copyright 2019 Google LLC
//
// 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
//
// https://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.
#ifndef dap_typeinfo_h
#define dap_typeinfo_h
#include <functional>
#include <string>
namespace dap {
class any;
class Deserializer;
class Serializer;
// The TypeInfo interface provides basic runtime type information about DAP
// types. TypeInfo is used by the serialization system to encode and decode DAP
// requests, responses, events and structs.
struct TypeInfo {
virtual ~TypeInfo();
virtual std::string name() const = 0;
virtual size_t size() const = 0;
virtual size_t alignment() const = 0;
virtual void construct(void*) const = 0;
virtual void copyConstruct(void* dst, const void* src) const = 0;
virtual void destruct(void*) const = 0;
virtual bool deserialize(const Deserializer*, void*) const = 0;
virtual bool serialize(Serializer*, const void*) const = 0;
// create() allocates and constructs the TypeInfo of type T, registers the
// pointer for deletion on cppdap library termination, and returns the pointer
// to T.
template <typename T, typename... ARGS>
static T* create(ARGS&&... args) {
auto typeinfo = new T(std::forward<ARGS>(args)...);
deleteOnExit(typeinfo);
return typeinfo;
}
private:
// deleteOnExit() ensures that the TypeInfo is destructed and deleted on
// library termination.
static void deleteOnExit(TypeInfo*);
};
} // namespace dap
#endif // dap_typeinfo_h
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