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serialize.h

#ifndef SERIALIZE_H_INCLUDED
#define SERIALIZE_H_INCLUDED

#include "core.h"
#include "object.h"
#include "hash.h"

class serializer_t {
    object_heap_t*  m_heap;
    scm_hashtable_t m_lites;
    scm_obj_t*      m_stack;
    scm_obj_t*      m_stack_limit;
    scm_obj_t*      m_sp;
    int             m_buf_size;
    int             m_buf_mark;
    uint8_t*        m_buf;
    scm_obj_t       m_bad;

    void emit_u8(uint8_t octet);
    void emit_u32(uint32_t n);
    void emit_u64(uint64_t n);
    void emit_bytes(const uint8_t* s, int n);
    void expand();
    void scan(scm_obj_t obj);
    void push(scm_obj_t obj);
    scm_obj_t pop();
    void put_lites();
    void put_list(scm_obj_t obj);
    void put_datum(scm_obj_t obj);

public:
    serializer_t(object_heap_t* heap);
    ~serializer_t();
    scm_obj_t translate(scm_obj_t obj);
};

class deserializer_t {
    object_heap_t*  m_heap;
    scm_obj_t*      m_lites;
    uint8_t*        m_buf;
    uint8_t*        m_buf_tail;

    uint8_t     fetch_u8();
    uint32_t    fetch_u32();
    uint64_t    fetch_u64();
    void        fetch_bytes(uint8_t* p, int n);
    void        get_lites();
    scm_obj_t   get_datum();

public:
    deserializer_t(object_heap_t* heap);
    ~deserializer_t();
    scm_obj_t translate(scm_bvector_t obj);
};

#endif

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