105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
#ifndef REFLECTIVE_RAPIDJSON_CODE_FACTORY_H
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#define REFLECTIVE_RAPIDJSON_CODE_FACTORY_H
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#include "./codegenerator.h"
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#include <functional>
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#include <iosfwd>
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#include <memory>
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#include <string>
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#include <vector>
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namespace clang {
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class CompilerInstance;
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} // namespace clang
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namespace ReflectiveRapidJSON {
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class Consumer;
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class Visitor;
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/*!
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* \brief The CodeFactory class produces additional (reflection) code for a specified list of C++ source files.
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* \remarks
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* - The code is written to a specified std::ostream instance.
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* - The CodeFactory class is constituted by its underlying CodeGenerator instances.
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*/
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class CodeFactory {
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friend class Consumer;
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friend class Visitor;
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public:
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CodeFactory(
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const char *applicationPath, const std::vector<const char *> &sourceFiles, const std::vector<std::string> &clangOptions, std::ostream &os);
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~CodeFactory();
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const std::vector<std::unique_ptr<CodeGenerator>> &generators() const;
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template <typename GeneratorType, typename... Args> void addGenerator(Args &&... args);
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template <typename GeneratorType, typename... Args> auto bindGenerator(Args &&... args);
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bool run();
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clang::CompilerInstance *compilerInstance();
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void setCompilerInstance(clang::CompilerInstance *compilerInstance);
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private:
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struct ToolInvocation;
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void addDeclaration(clang::Decl *decl);
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bool generate() const;
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std::vector<std::string> makeClangArgs() const;
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const char *const m_applicationPath;
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const std::vector<const char *> &m_sourceFiles;
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const std::vector<std::string> &m_clangOptions;
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std::ostream &m_os;
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std::vector<std::unique_ptr<CodeGenerator>> m_generators;
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std::unique_ptr<ToolInvocation> m_toolInvocation;
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clang::CompilerInstance *m_compilerInstance;
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};
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template <typename GeneratorType, typename... Args> void CodeFactory::addGenerator(Args &&... args)
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{
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m_generators.emplace_back(std::make_unique<GeneratorType>(*this, std::forward<Args>(args)...));
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}
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namespace Detail {
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template <typename T> std::reference_wrapper<const T> wrapReferences(const T &val)
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{
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return std::cref(val);
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}
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template <typename T> std::reference_wrapper<T> wrapReferences(T &val)
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{
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return std::ref(val);
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}
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template <typename T> T &&wrapReferences(T &&val)
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{
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return std::forward<T>(val);
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}
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} // namespace Detail
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template <typename GeneratorType, typename... Args> auto CodeFactory::bindGenerator(Args &&... args)
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{
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return std::bind(&CodeFactory::addGenerator<GeneratorType, Args...>, this, Detail::wrapReferences(std::forward<Args>(args)...));
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}
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inline const std::vector<std::unique_ptr<CodeGenerator>> &CodeFactory::generators() const
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{
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return m_generators;
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}
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inline clang::CompilerInstance *CodeFactory::compilerInstance()
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{
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return m_compilerInstance;
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}
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inline void CodeFactory::setCompilerInstance(clang::CompilerInstance *compilerInstance)
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{
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m_compilerInstance = compilerInstance;
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}
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} // namespace ReflectiveRapidJSON
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#endif // REFLECTIVE_RAPIDJSON_CODE_FACTORY_H
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