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https://github.com/JakeHillion/object-introspection.git
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e1b16a3d7e
References must always have a value, so are semantically clearer than pointers for variables which must always be set. No functional changes.
79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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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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#pragma once
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#include <filesystem>
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#include <functional>
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#include <string>
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#include <unordered_map>
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#include <unordered_set>
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#include <vector>
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#include "ContainerInfo.h"
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#include "OICodeGen.h"
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struct drgn_type;
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class SymbolService;
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namespace type_graph {
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class Class;
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class Member;
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class TypeGraph;
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} // namespace type_graph
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class CodeGen {
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public:
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CodeGen(const OICodeGen::Config& config, SymbolService& symbols)
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: config_(config), symbols_(symbols) {
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}
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/*
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* Helper function to perform all the steps required for code generation for a
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* single drgn_type.
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*/
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bool codegenFromDrgn(struct drgn_type* drgnType, std::string& code);
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void registerContainer(const std::filesystem::path& path);
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void addDrgnRoot(struct drgn_type* drgnType,
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type_graph::TypeGraph& typeGraph);
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void transform(type_graph::TypeGraph& typeGraph);
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void generate(type_graph::TypeGraph& typeGraph,
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std::string& code,
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struct drgn_type*
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drgnType /* TODO: this argument should not be required */
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);
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private:
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const OICodeGen::Config& config_;
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SymbolService& symbols_;
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std::vector<ContainerInfo> containerInfos_;
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std::unordered_set<const ContainerInfo*> definedContainers_;
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std::unordered_map<const type_graph::Class*, const type_graph::Member*>
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thriftIssetMembers_;
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void genDefsThrift(const type_graph::TypeGraph& typeGraph, std::string& code);
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void addGetSizeFuncDefs(const type_graph::TypeGraph& typeGraph,
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std::string& code);
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void getClassSizeFuncDef(const type_graph::Class& c, std::string& code);
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void getClassSizeFuncConcrete(std::string_view funcName,
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const type_graph::Class& c,
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std::string& code) const;
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void addTypeHandlers(const type_graph::TypeGraph& typeGraph,
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std::string& code);
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void getClassTypeHandler(const type_graph::Class& c, std::string& code);
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};
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