field_info.hh

/**
* Copyright 2019 Anthony Calandra
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

#pragma once

#include <fstream>
#include <memory>
#include <vector>

#include "attribute_info.hh"
#include "constant_pool.hh"

enum class field_access_flags : uint16_t
{
    Public = 0x1, Private = 0x2, Protected = 0x4, Static = 0x8, Final = 0x10,
    Volatile = 0x40, Transient = 0x80, Synthetic = 0x1000, Enum = 0x4000
};

class field_info
{
    [[maybe_unused]] const constant_pool& cp;
    [[maybe_unused]] field_access_flags access_flags;
    [[maybe_unused]] constant_pool_entry_id name_index;
    [[maybe_unused]] constant_pool_entry_id descriptor_index;
    entry_attributes field_attributes;

    explicit field_info(const constant_pool& cp, field_access_flags access_flags,
        constant_pool_entry_id name_index, constant_pool_entry_id descriptor_index,
        entry_attributes field_attributes);

public:
    static field_info parse_field(std::ifstream& file, const constant_pool& cp);
};

std::vector<field_info> parse_fields(std::ifstream& file, const constant_pool& cp);