reflective-rapidjson/generator/codegenerator.h

87 lines
2.2 KiB
C++

#ifndef REFLECTIVE_RAPIDJSON_CODE_GENERATOR_H
#define REFLECTIVE_RAPIDJSON_CODE_GENERATOR_H
#include <iosfwd>
#include <string>
#include <vector>
namespace clang {
class Decl;
class NamedDecl;
class CXXRecordDecl;
} // namespace clang
namespace ReflectiveRapidJSON {
class CodeFactory;
/*!
* \brief The CodeGenerator class is the base for generators used by the CodeFactory class.
*/
class CodeGenerator {
public:
CodeGenerator(CodeFactory &factory);
virtual ~CodeGenerator();
virtual void addDeclaration(clang::Decl *decl);
/// \brief Generates code based on the previously added declarations. The code is written to \a os.
virtual void generate(std::ostream &os) const = 0;
protected:
CodeFactory &factory() const;
static bool inheritsFromInstantiationOf(clang::CXXRecordDecl *record, const char *templateClass);
private:
CodeFactory &m_factory;
};
inline CodeGenerator::CodeGenerator(CodeFactory &factory)
: m_factory(factory)
{
}
inline CodeFactory &CodeGenerator::factory() const
{
return m_factory;
}
/*!
* \brief The JSONSerializationCodeGenerator class generates code for JSON (de)serialization
* of objects inheriting from an instantiation of JSONSerializable.
*/
class JSONSerializationCodeGenerator : public CodeGenerator {
public:
JSONSerializationCodeGenerator(CodeFactory &factory);
void addDeclaration(clang::Decl *decl) override;
void generate(std::ostream &os) const override;
private:
struct RelevantClass {
explicit RelevantClass(const std::string &qualifiedName, clang::CXXRecordDecl *record);
std::string qualifiedName;
clang::CXXRecordDecl *record;
};
std::vector<const RelevantClass *> findRelevantBaseClasses(const RelevantClass &relevantClass) const;
std::vector<RelevantClass> m_relevantClasses;
};
inline JSONSerializationCodeGenerator::JSONSerializationCodeGenerator(CodeFactory &factory)
: CodeGenerator(factory)
{
}
inline JSONSerializationCodeGenerator::RelevantClass::RelevantClass(const std::string &qualifiedName, clang::CXXRecordDecl *record)
: qualifiedName(qualifiedName)
, record(record)
{
}
} // namespace ReflectiveRapidJSON
#endif // REFLECTIVE_RAPIDJSON_CODE_GENERATOR_H