ItemWithId.h

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/*
* Nirvana IDL front-end library.
*
* This is a part of the Nirvana project.
*
* Author: Igor Popov
*
* Copyright (c) 2021 Igor Popov.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library.  If not, see <http://www.gnu.org/licenses/>.
*
* Send comments and/or bug reports to:
*  popov.nirvana@gmail.com
*/
#ifndef IDLFE_AST_ITEMWITHID_H_
#define IDLFE_AST_ITEMWITHID_H_
#pragma once
 
#include "NamedItem.h"
 
namespace AST {
 
struct Version
{
    uint16_t major, minor;
};
 
class ItemWithId : public NamedItem
{
public:
    std::string repository_id () const;
 
    static const ItemWithId* cast (const NamedItem* item) noexcept
    {
        return cast (const_cast <NamedItem*> (item));
    }
 
protected:
    ItemWithId (Kind kind, Builder& builder, const SimpleDeclarator& name);
 
    virtual bool prefix (Builder& builder, const std::string& pref, const Location& loc);
 
private:
    friend class Builder;
 
    static ItemWithId* cast (NamedItem* item) noexcept;
 
    bool check_prefix (Builder& builder, const Location& loc) const noexcept;
 
    void type_id (Builder& builder, const std::string& id, const Location& loc);
 
    void pragma_version (Builder& builder, const Version v, const Location& loc);
 
    void set_id (const ItemWithId& src)
    {
        data_ = src.data_;
    }
 
private:
    enum
    {
        EXPLICIT_ID,
        EXPLICIT_PREFIX,
        EXPLICIT_VERSION,
 
        EXPLICIT_SPECIFICATIONS
    };
 
    struct Data
    {
        Data (const std::string& prefix) :
            prefix_or_id (prefix)
        {
            version.major = 1;
            version.minor = 0;
        }
 
        std::string prefix_or_id;
        Version version;
 
        Location explicit_ [EXPLICIT_SPECIFICATIONS];
    }
    data_;
};
 
}
 
#endif