7b02b9f73a
Can be used to explicitly control when the TypeInfo static initializers / destructors are called. Usually not needed. Issue: #40
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
// Copyright 2019 Google LLC
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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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// https://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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#ifndef dap_typeinfo_h
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#define dap_typeinfo_h
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#include <functional>
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#include <string>
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namespace dap {
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class any;
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class Deserializer;
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class Serializer;
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// The TypeInfo interface provides basic runtime type information about DAP
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// types. TypeInfo is used by the serialization system to encode and decode DAP
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// requests, responses, events and structs.
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struct TypeInfo {
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virtual ~TypeInfo();
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virtual std::string name() const = 0;
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virtual size_t size() const = 0;
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virtual size_t alignment() const = 0;
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virtual void construct(void*) const = 0;
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virtual void copyConstruct(void* dst, const void* src) const = 0;
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virtual void destruct(void*) const = 0;
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virtual bool deserialize(const Deserializer*, void*) const = 0;
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virtual bool serialize(Serializer*, const void*) const = 0;
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// create() allocates and constructs the TypeInfo of type T, registers the
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// pointer for deletion on cppdap library termination, and returns the pointer
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// to T.
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template <typename T, typename... ARGS>
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static T* create(ARGS&&... args) {
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auto typeinfo = new T(std::forward<ARGS>(args)...);
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deleteOnExit(typeinfo);
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return typeinfo;
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}
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private:
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// deleteOnExit() ensures that the TypeInfo is destructed and deleted on
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// library termination.
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static void deleteOnExit(TypeInfo*);
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};
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} // namespace dap
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#endif // dap_typeinfo_h
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