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#ifndef APIEXTRACTORRESULT_H
#define APIEXTRACTORRESULT_H

#include "abstractmetalang.h"
#include "abstractmetaenum.h"
#include "abstractmetatype.h"
#include "typesystem_typedefs.h"

#include <QtCore/QHash>

#include <optional>

/// Result of an ApiExtractor run.
/// Note: The class lists in here are flat, non-owning lists, currently
/// (pending introduction of QSharedPointer for AbstractMetaClass); the
/// ApiExtractor/AbstractMetaBuilder must be kept alive during the
/// generator run since it owns the classes.
class ApiExtractorResult
{
    friend class ApiExtractor;
public:
    const AbstractMetaEnumList &globalEnums() const { return m_globalEnums; }
    const AbstractMetaFunctionCList &globalFunctions() const { return m_globalFunctions; }
    const AbstractMetaClassCList &classes() const { return m_metaClasses; }
    const AbstractMetaClassCList &smartPointers() const { return m_smartPointers; }

    // Query functions for the generators
    std::optional<AbstractMetaEnum> findAbstractMetaEnum(const TypeEntry* typeEntry) const;

    /// Retrieves a list of constructors used in implicit conversions
    /// available on the given type. The TypeEntry must be a value-type
    /// or else it will return an empty list.
    ///  \param type a TypeEntry that is expected to be a value-type
    /// \return a list of constructors that could be used as implicit converters
    AbstractMetaFunctionCList implicitConversions(const TypeEntry *type) const;
    AbstractMetaFunctionCList implicitConversions(const AbstractMetaType &metaType) const;

private:
    AbstractMetaClassCList m_metaClasses;
    AbstractMetaClassCList m_smartPointers;
    AbstractMetaFunctionCList m_globalFunctions;
    AbstractMetaEnumList m_globalEnums;

    QHash<const TypeEntry *, AbstractMetaEnum> m_enums;
};

#endif // APIEXTRACTORRESULT_H