#ifndef SERIALIZE_H
#define SERIALIZE_H

#include <stdio.h>
#include <stdbool.h>
#include "types.h"

/*
 * Magic number and version for Ground bytecode files.
 * The magic bytes spell 'GRND'
 */
#define GROUND_MAGIC   0x47524E44u
#define GROUND_VERSION 1u

/*
 * File header written at the start of every .grbc file.
 */
typedef struct GroundBytecodeHeader {
    uint32_t magic;
    uint32_t version;
} GroundBytecodeHeader;

/*
 * Writes a length-prefixed UTF-8 string to (f).
 * NULL is encoded as a sentinel length (UINT32_MAX).
 * Returns true on success.
 */
bool serializeWriteString(FILE* f, const char* s);

char* serializeReadString(FILE* f);


bool serializeWriteValue(FILE* f, const GroundValue* gv);
bool serializeReadValue(FILE* f, GroundValue* out);


bool serializeWriteArg(FILE* f, const GroundArg* ga);
bool serializeReadArg(FILE* f, GroundArg* out);


bool serializeWriteInstruction(FILE* f, const GroundInstruction* gi);
bool serializeReadInstruction(FILE* f, GroundInstruction* out);

bool serializeProgramToFile(const char* path, const GroundProgram* prog);

bool deserializeProgramFromFile(const char* path, GroundProgram* out);

#endif